From 404571525db92bafeddb0cf9febb21aac6613dca Mon Sep 17 00:00:00 2001
From: Jesper Nilsson <jesper@jni.nu>
Date: Mon, 14 Jul 2008 08:59:48 +0200
Subject: [PATCH 0001/2224] [CRIS] Rename boot-linkscripts and fix the path to
 them.

This makes the CRIS-port directories follow the same naming
convention as the rest of the kernel.

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
---
 arch/cris/arch-v10/boot/compressed/Makefile                     | 2 +-
 .../arch-v10/boot/compressed/{decompress.ld => decompress.lds}  | 0
 arch/cris/arch-v10/boot/rescue/Makefile                         | 2 +-
 arch/cris/arch-v10/boot/rescue/{rescue.ld => rescue.lds}        | 0
 arch/cris/arch-v32/boot/compressed/Makefile                     | 2 +-
 .../arch-v32/boot/compressed/{decompress.ld => decompress.lds}  | 0
 arch/cris/arch-v32/boot/rescue/Makefile                         | 2 +-
 arch/cris/arch-v32/boot/rescue/{rescue.ld => rescue.lds}        | 0
 8 files changed, 4 insertions(+), 4 deletions(-)
 rename arch/cris/arch-v10/boot/compressed/{decompress.ld => decompress.lds} (100%)
 rename arch/cris/arch-v10/boot/rescue/{rescue.ld => rescue.lds} (100%)
 rename arch/cris/arch-v32/boot/compressed/{decompress.ld => decompress.lds} (100%)
 rename arch/cris/arch-v32/boot/rescue/{rescue.ld => rescue.lds} (100%)

diff --git a/arch/cris/arch-v10/boot/compressed/Makefile b/arch/cris/arch-v10/boot/compressed/Makefile
index 08d943ce4be..6fe0ffaf3be 100644
--- a/arch/cris/arch-v10/boot/compressed/Makefile
+++ b/arch/cris/arch-v10/boot/compressed/Makefile
@@ -4,7 +4,7 @@
 
 asflags-y += $(LINUXINCLUDE)
 ccflags-y += -O2 $(LINUXINCLUDE)
-ldflags-y += -T $(srctree)/$(obj)/decompress.ld
+ldflags-y += -T $(srctree)/$(src)/decompress.lds
 OBJECTS = $(obj)/head.o $(obj)/misc.o
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 
diff --git a/arch/cris/arch-v10/boot/compressed/decompress.ld b/arch/cris/arch-v10/boot/compressed/decompress.lds
similarity index 100%
rename from arch/cris/arch-v10/boot/compressed/decompress.ld
rename to arch/cris/arch-v10/boot/compressed/decompress.lds
diff --git a/arch/cris/arch-v10/boot/rescue/Makefile b/arch/cris/arch-v10/boot/rescue/Makefile
index 07688da9270..82ab59b968e 100644
--- a/arch/cris/arch-v10/boot/rescue/Makefile
+++ b/arch/cris/arch-v10/boot/rescue/Makefile
@@ -4,7 +4,7 @@
 
 ccflags-y += -O2 $(LINUXINCLUDE)
 asflags-y += $(LINUXINCLUDE)
-ldflags-y += -T $(srctree)/$(obj)/rescue.ld
+ldflags-y += -T $(srctree)/$(src)/rescue.lds
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
 OBJECT := $(obj)/head.o
diff --git a/arch/cris/arch-v10/boot/rescue/rescue.ld b/arch/cris/arch-v10/boot/rescue/rescue.lds
similarity index 100%
rename from arch/cris/arch-v10/boot/rescue/rescue.ld
rename to arch/cris/arch-v10/boot/rescue/rescue.lds
diff --git a/arch/cris/arch-v32/boot/compressed/Makefile b/arch/cris/arch-v32/boot/compressed/Makefile
index d6335f26083..5a1b31c99ea 100644
--- a/arch/cris/arch-v32/boot/compressed/Makefile
+++ b/arch/cris/arch-v32/boot/compressed/Makefile
@@ -4,7 +4,7 @@
 
 asflags-y += -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch
 ccflags-y += -O2 -I $(srctree)/include/asm/mach/ -I $(srctree)/include/asm/arch
-ldflags-y += -T $(srctree)/$(obj)/decompress.ld
+ldflags-y += -T $(srctree)/$(src)/decompress.lds
 OBJECTS = $(obj)/head.o $(obj)/misc.o
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 
diff --git a/arch/cris/arch-v32/boot/compressed/decompress.ld b/arch/cris/arch-v32/boot/compressed/decompress.lds
similarity index 100%
rename from arch/cris/arch-v32/boot/compressed/decompress.ld
rename to arch/cris/arch-v32/boot/compressed/decompress.lds
diff --git a/arch/cris/arch-v32/boot/rescue/Makefile b/arch/cris/arch-v32/boot/rescue/Makefile
index 44ae0ad61f9..566aac663a3 100644
--- a/arch/cris/arch-v32/boot/rescue/Makefile
+++ b/arch/cris/arch-v32/boot/rescue/Makefile
@@ -7,7 +7,7 @@ ccflags-y += -O2 -I $(srctree)/include/asm/arch/mach/ \
 		-I $(srctree)/include/asm/arch
 asflags-y += -I $(srctree)/include/asm/arch/mach/ -I $(srctree)/include/asm/arch
 LD = gcc-cris -mlinux -march=v32 -nostdlib
-ldflags-y += -T $(srctree)/$(obj)/rescue.ld
+ldflags-y += -T $(srctree)/$(src)/rescue.lds
 LDPOSTFLAGS = -lgcc
 OBJCOPYFLAGS = -O binary --remove-section=.bss
 obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
diff --git a/arch/cris/arch-v32/boot/rescue/rescue.ld b/arch/cris/arch-v32/boot/rescue/rescue.lds
similarity index 100%
rename from arch/cris/arch-v32/boot/rescue/rescue.ld
rename to arch/cris/arch-v32/boot/rescue/rescue.lds
-- 
GitLab


From f84dbb912f344270f31d5cce974f12908a47798d Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Thu, 10 Jul 2008 14:48:54 -0700
Subject: [PATCH 0002/2224] genirq: enable polling for disabled screaming irqs

When we disable a screaming irq we never see it again.  If the irq
line is shared or if the driver half works this is a real pain.  So
periodically poll the handlers for screaming interrupts.

I use a timer instead of the classic irq poll technique of working off
the timer interrupt because when we use the local apic timers
note_interrupt is never called (bug?).  Further on a system with
dynamic ticks the timer interrupt might not even fire unless there is
a timer telling it it needs to.

I forced this case on my test system with an e1000 nic and my ssh
session remained responsive despite the interrupt handler only being
called every 10th of a second.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/spurious.c | 146 ++++++++++++++++++++++++++----------------
 1 file changed, 91 insertions(+), 55 deletions(-)

diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index c66d3f10e85..19fe9d6ebfe 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -12,83 +12,117 @@
 #include <linux/kallsyms.h>
 #include <linux/interrupt.h>
 #include <linux/moduleparam.h>
+#include <linux/timer.h>
 
 static int irqfixup __read_mostly;
 
+#define POLL_SPURIOUS_IRQ_INTERVAL (HZ/10)
+static void poll_spurious_irqs(unsigned long dummy);
+static DEFINE_TIMER(poll_spurious_irq_timer, poll_spurious_irqs, 0, 0);
+
 /*
  * Recovery handler for misrouted interrupts.
  */
-static int misrouted_irq(int irq)
+static int try_one_irq(int irq, struct irq_desc *desc)
 {
-	int i;
+	struct irqaction *action;
 	int ok = 0;
 	int work = 0;	/* Did we do work for a real IRQ */
 
-	for (i = 1; i < NR_IRQS; i++) {
-		struct irq_desc *desc = irq_desc + i;
-		struct irqaction *action;
-
-		if (i == irq)	/* Already tried */
-			continue;
-
-		spin_lock(&desc->lock);
-		/* Already running on another processor */
-		if (desc->status & IRQ_INPROGRESS) {
-			/*
-			 * Already running: If it is shared get the other
-			 * CPU to go looking for our mystery interrupt too
-			 */
-			if (desc->action && (desc->action->flags & IRQF_SHARED))
-				desc->status |= IRQ_PENDING;
-			spin_unlock(&desc->lock);
-			continue;
-		}
-		/* Honour the normal IRQ locking */
-		desc->status |= IRQ_INPROGRESS;
-		action = desc->action;
+	spin_lock(&desc->lock);
+	/* Already running on another processor */
+	if (desc->status & IRQ_INPROGRESS) {
+		/*
+		 * Already running: If it is shared get the other
+		 * CPU to go looking for our mystery interrupt too
+		 */
+		if (desc->action && (desc->action->flags & IRQF_SHARED))
+			desc->status |= IRQ_PENDING;
 		spin_unlock(&desc->lock);
+		return ok;
+	}
+	/* Honour the normal IRQ locking */
+	desc->status |= IRQ_INPROGRESS;
+	action = desc->action;
+	spin_unlock(&desc->lock);
 
-		while (action) {
-			/* Only shared IRQ handlers are safe to call */
-			if (action->flags & IRQF_SHARED) {
-				if (action->handler(i, action->dev_id) ==
-						IRQ_HANDLED)
-					ok = 1;
-			}
-			action = action->next;
+	while (action) {
+		/* Only shared IRQ handlers are safe to call */
+		if (action->flags & IRQF_SHARED) {
+			if (action->handler(irq, action->dev_id) ==
+				IRQ_HANDLED)
+				ok = 1;
 		}
-		local_irq_disable();
-		/* Now clean up the flags */
-		spin_lock(&desc->lock);
-		action = desc->action;
+		action = action->next;
+	}
+	local_irq_disable();
+	/* Now clean up the flags */
+	spin_lock(&desc->lock);
+	action = desc->action;
 
+	/*
+	 * While we were looking for a fixup someone queued a real
+	 * IRQ clashing with our walk:
+	 */
+	while ((desc->status & IRQ_PENDING) && action) {
 		/*
-		 * While we were looking for a fixup someone queued a real
-		 * IRQ clashing with our walk:
-		 */
-		while ((desc->status & IRQ_PENDING) && action) {
-			/*
-			 * Perform real IRQ processing for the IRQ we deferred
-			 */
-			work = 1;
-			spin_unlock(&desc->lock);
-			handle_IRQ_event(i, action);
-			spin_lock(&desc->lock);
-			desc->status &= ~IRQ_PENDING;
-		}
-		desc->status &= ~IRQ_INPROGRESS;
-		/*
-		 * If we did actual work for the real IRQ line we must let the
-		 * IRQ controller clean up too
+		 * Perform real IRQ processing for the IRQ we deferred
 		 */
-		if (work && desc->chip && desc->chip->end)
-			desc->chip->end(i);
+		work = 1;
 		spin_unlock(&desc->lock);
+		handle_IRQ_event(irq, action);
+		spin_lock(&desc->lock);
+		desc->status &= ~IRQ_PENDING;
+	}
+	desc->status &= ~IRQ_INPROGRESS;
+	/*
+	 * If we did actual work for the real IRQ line we must let the
+	 * IRQ controller clean up too
+	 */
+	if (work && desc->chip && desc->chip->end)
+		desc->chip->end(irq);
+	spin_unlock(&desc->lock);
+
+	return ok;
+}
+
+static int misrouted_irq(int irq)
+{
+	int i;
+	int ok = 0;
+
+	for (i = 1; i < NR_IRQS; i++) {
+		struct irq_desc *desc = irq_desc + i;
+
+		if (i == irq)	/* Already tried */
+			continue;
+
+		if (try_one_irq(i, desc))
+			ok = 1;
 	}
 	/* So the caller can adjust the irq error counts */
 	return ok;
 }
 
+static void poll_spurious_irqs(unsigned long dummy)
+{
+	int i;
+	for (i = 1; i < NR_IRQS; i++) {
+		struct irq_desc *desc = irq_desc + i;
+		unsigned int status;
+
+		/* Racy but it doesn't matter */
+		status = desc->status;
+		barrier();
+		if (!(status & IRQ_SPURIOUS_DISABLED))
+			continue;
+
+		try_one_irq(i, desc);
+	}
+
+	mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL);
+}
+
 /*
  * If 99,900 of the previous 100,000 interrupts have not been handled
  * then assume that the IRQ is stuck in some manner. Drop a diagnostic
@@ -212,6 +246,8 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
 		desc->status |= IRQ_DISABLED | IRQ_SPURIOUS_DISABLED;
 		desc->depth++;
 		desc->chip->disable(irq);
+
+		mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL);
 	}
 	desc->irqs_unhandled = 0;
 }
-- 
GitLab


From 8d00a6c8f6b08e7167bc03bf955cdc7e47c5132e Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 22 Jul 2008 08:39:57 +0200
Subject: [PATCH 0003/2224] genirq: remove last NO_IDLE_HZ leftovers

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/irq.h | 4 ----
 kernel/irq/handle.c | 2 --
 2 files changed, 6 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8ccb462ea42..f3047df2d23 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -197,10 +197,6 @@ extern int setup_irq(unsigned int irq, struct irqaction *new);
 
 #ifdef CONFIG_GENERIC_HARDIRQS
 
-#ifndef handle_dynamic_tick
-# define handle_dynamic_tick(a)		do { } while (0)
-#endif
-
 #ifdef CONFIG_SMP
 
 #if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 5fa6198e913..f4c8a03a9fb 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -131,8 +131,6 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
 	irqreturn_t ret, retval = IRQ_NONE;
 	unsigned int status = 0;
 
-	handle_dynamic_tick(action);
-
 	if (!(action->flags & IRQF_DISABLED))
 		local_irq_enable_in_hardirq();
 
-- 
GitLab


From 1a960b402a51d80abf54e3f8e4972374ffe5f22d Mon Sep 17 00:00:00 2001
From: Jason Yeh <jason.yeh@amd.com>
Date: Wed, 23 Jul 2008 23:05:53 +0200
Subject: [PATCH 0004/2224] Oprofile Multiplexing Patch

This patch introduces multiplexing support for the Oprofile kernel
module. It basically adds a new function pointer in oprofile_operator
allowing each architecture to supply its callback to switch between
different sets of event when the timer expires. Userspace tools can
modify the time slice through /dev/oprofile/time_slice.

It also modifies the number of counters exposed to the userspace through
/dev/oprofile. For example, the number of counters for AMD CPUs are
changed to 32 and multiplexed in the sets of 4.

Signed-off-by: Jason Yeh <jason.yeh@amd.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/oprofile/nmi_int.c       | 100 +++++++++++++++++++++++++++---
 arch/x86/oprofile/op_counter.h    |   3 +-
 arch/x86/oprofile/op_model_amd.c  |  76 ++++++++++++++---------
 arch/x86/oprofile/op_model_p4.c   |   4 ++
 arch/x86/oprofile/op_model_ppro.c |   2 +
 arch/x86/oprofile/op_x86_model.h  |   3 +
 drivers/oprofile/oprof.c          |  58 ++++++++++++++++-
 drivers/oprofile/oprof.h          |   4 +-
 drivers/oprofile/oprofile_files.c |  39 +++++++++++-
 include/linux/oprofile.h          |   3 +
 10 files changed, 247 insertions(+), 45 deletions(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 287513a0981..2a65fe7680a 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -23,12 +23,18 @@
 #include "op_counter.h"
 #include "op_x86_model.h"
 
+DEFINE_PER_CPU(int, switch_index);
+
 static struct op_x86_model_spec const *model;
 static DEFINE_PER_CPU(struct op_msrs, cpu_msrs);
 static DEFINE_PER_CPU(unsigned long, saved_lvtpc);
 
 static int nmi_start(void);
 static void nmi_stop(void);
+static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs);
+static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs);
+static void nmi_cpu_stop(void *dummy);
+static void nmi_cpu_start(void *dummy);
 
 /* 0 == registered but off, 1 == registered and on */
 static int nmi_enabled = 0;
@@ -81,6 +87,47 @@ static void exit_sysfs(void)
 #define exit_sysfs() do { } while (0)
 #endif /* CONFIG_PM */
 
+static void nmi_cpu_switch(void *dummy)
+{
+	int cpu = smp_processor_id();
+	int si = per_cpu(switch_index, cpu);
+	struct op_msrs *msrs = &per_cpu(cpu_msrs, cpu);
+
+	nmi_cpu_stop(NULL);
+	nmi_cpu_save_mpx_registers(msrs);
+
+	/* move to next set */
+	si += model->num_hardware_counters;
+	if ((si > model->num_counters) || (counter_config[si].count == 0))
+		per_cpu(switch_index, smp_processor_id()) = 0;
+	else
+		per_cpu(switch_index, smp_processor_id()) = si;
+
+	nmi_cpu_restore_mpx_registers(msrs);
+	model->setup_ctrs(msrs);
+	nmi_cpu_start(NULL);
+}
+
+/*
+ * Quick check to see if multiplexing is necessary.
+ * The check should be sufficient since counters are used
+ * in ordre.
+ */
+static int nmi_multiplex_on(void)
+{
+	return counter_config[model->num_hardware_counters].count ? 0 : -EINVAL;
+}
+
+static int nmi_switch_event(void)
+{
+	if (nmi_multiplex_on() < 0)
+		return -EINVAL;
+
+	on_each_cpu(nmi_cpu_switch, NULL, 0, 1);
+
+	return 0;
+}
+
 static int profile_exceptions_notify(struct notifier_block *self,
 				     unsigned long val, void *data)
 {
@@ -144,11 +191,10 @@ static void free_msrs(void)
 
 static int allocate_msrs(void)
 {
-	int success = 1;
+	int i, success = 1;
 	size_t controls_size = sizeof(struct op_msr) * model->num_controls;
 	size_t counters_size = sizeof(struct op_msr) * model->num_counters;
 
-	int i;
 	for_each_possible_cpu(i) {
 		per_cpu(cpu_msrs, i).counters = kmalloc(counters_size,
 								GFP_KERNEL);
@@ -156,8 +202,8 @@ static int allocate_msrs(void)
 			success = 0;
 			break;
 		}
-		per_cpu(cpu_msrs, i).controls = kmalloc(controls_size,
-								GFP_KERNEL);
+		per_cpu(cpu_msrs, i).controls =
+				kmalloc(controls_size, GFP_KERNEL);
 		if (!per_cpu(cpu_msrs, i).controls) {
 			success = 0;
 			break;
@@ -201,7 +247,8 @@ static int nmi_setup(void)
 		return err;
 	}
 
-	/* We need to serialize save and setup for HT because the subset
+	/*
+	 * We need to serialize save and setup for HT because the subset
 	 * of msrs are distinct for save and setup operations
 	 */
 
@@ -217,7 +264,6 @@ static int nmi_setup(void)
 				per_cpu(cpu_msrs, 0).controls,
 				sizeof(struct op_msr) * model->num_controls);
 		}
-
 	}
 	on_each_cpu(nmi_save_registers, NULL, 1);
 	on_each_cpu(nmi_cpu_setup, NULL, 1);
@@ -225,7 +271,41 @@ static int nmi_setup(void)
 	return 0;
 }
 
-static void nmi_restore_registers(struct op_msrs *msrs)
+static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs)
+{
+	unsigned int si = __get_cpu_var(switch_index);
+	unsigned int const nr_ctrs = model->num_hardware_counters;
+	struct op_msr *counters = &msrs->counters[si];
+	unsigned int i;
+
+	for (i = 0; i < nr_ctrs; ++i) {
+		int offset = i + si;
+		if (counters[offset].addr) {
+			rdmsr(counters[offset].addr,
+				counters[offset].multiplex.low,
+				counters[offset].multiplex.high);
+		}
+	}
+}
+
+static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs)
+{
+	unsigned int si = __get_cpu_var(switch_index);
+	unsigned int const nr_ctrs = model->num_hardware_counters;
+	struct op_msr *counters = &msrs->counters[si];
+	unsigned int i;
+
+	for (i = 0; i < nr_ctrs; ++i) {
+		int offset = i + si;
+		if (counters[offset].addr) {
+			wrmsr(counters[offset].addr,
+				counters[offset].multiplex.low,
+				counters[offset].multiplex.high);
+		}
+	}
+}
+
+static void nmi_cpu_restore_registers(struct op_msrs *msrs)
 {
 	unsigned int const nr_ctrs = model->num_counters;
 	unsigned int const nr_ctrls = model->num_controls;
@@ -265,7 +345,8 @@ static void nmi_cpu_shutdown(void *dummy)
 	apic_write(APIC_LVTERR, v | APIC_LVT_MASKED);
 	apic_write(APIC_LVTPC, per_cpu(saved_lvtpc, cpu));
 	apic_write(APIC_LVTERR, v);
-	nmi_restore_registers(msrs);
+	nmi_cpu_restore_registers(msrs);
+	__get_cpu_var(switch_index) = 0;
 }
 
 static void nmi_shutdown(void)
@@ -328,6 +409,7 @@ static int nmi_create_files(struct super_block *sb, struct dentry *root)
 		oprofilefs_create_ulong(sb, dir, "unit_mask", &counter_config[i].unit_mask);
 		oprofilefs_create_ulong(sb, dir, "kernel", &counter_config[i].kernel);
 		oprofilefs_create_ulong(sb, dir, "user", &counter_config[i].user);
+		counter_config[i].save_count_low = 0;
 	}
 
 	return 0;
@@ -469,12 +551,14 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 	}
 
 	/* default values, can be overwritten by model */
+	__get_cpu_var(switch_index) = 0;
 	ops->create_files = nmi_create_files;
 	ops->setup = nmi_setup;
 	ops->shutdown = nmi_shutdown;
 	ops->start = nmi_start;
 	ops->stop = nmi_stop;
 	ops->cpu_type = cpu_type;
+	ops->switch_events = nmi_switch_event;
 
 	if (model->init)
 		ret = model->init(ops);
diff --git a/arch/x86/oprofile/op_counter.h b/arch/x86/oprofile/op_counter.h
index 2880b15c467..786d6e01cf7 100644
--- a/arch/x86/oprofile/op_counter.h
+++ b/arch/x86/oprofile/op_counter.h
@@ -10,13 +10,14 @@
 #ifndef OP_COUNTER_H
 #define OP_COUNTER_H
  
-#define OP_MAX_COUNTER 8
+#define OP_MAX_COUNTER 32
  
 /* Per-perfctr configuration as set via
  * oprofilefs.
  */
 struct op_counter_config {
         unsigned long count;
+		unsigned long save_count_low;
         unsigned long enabled;
         unsigned long event;
         unsigned long kernel;
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index d9faf607b3a..bbf2b68bcc5 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -15,6 +15,7 @@
 #include <linux/oprofile.h>
 #include <linux/device.h>
 #include <linux/pci.h>
+#include <linux/percpu.h>
 
 #include <asm/ptrace.h>
 #include <asm/msr.h>
@@ -23,8 +24,10 @@
 #include "op_x86_model.h"
 #include "op_counter.h"
 
-#define NUM_COUNTERS 4
-#define NUM_CONTROLS 4
+#define NUM_COUNTERS 32
+#define NUM_HARDWARE_COUNTERS 4
+#define NUM_CONTROLS 32
+#define NUM_HARDWARE_CONTROLS 4
 
 #define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0)
 #define CTR_READ(l, h, msrs, c) do {rdmsr(msrs->counters[(c)].addr, (l), (h)); } while (0)
@@ -48,6 +51,7 @@
 #define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8))
 
 static unsigned long reset_value[NUM_COUNTERS];
+DECLARE_PER_CPU(int, switch_index);
 
 #ifdef CONFIG_OPROFILE_IBS
 
@@ -130,15 +134,17 @@ static void op_amd_fill_in_addresses(struct op_msrs * const msrs)
 	int i;
 
 	for (i = 0; i < NUM_COUNTERS; i++) {
-		if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
-			msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
+		int hw_counter = i % NUM_HARDWARE_COUNTERS;
+		if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + hw_counter))
+			msrs->counters[i].addr = MSR_K7_PERFCTR0 + hw_counter;
 		else
 			msrs->counters[i].addr = 0;
 	}
 
 	for (i = 0; i < NUM_CONTROLS; i++) {
-		if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))
-			msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
+		int hw_control = i % NUM_HARDWARE_CONTROLS;
+		if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + hw_control))
+			msrs->controls[i].addr = MSR_K7_EVNTSEL0 + hw_control;
 		else
 			msrs->controls[i].addr = 0;
 	}
@@ -150,8 +156,16 @@ static void op_amd_setup_ctrs(struct op_msrs const * const msrs)
 	unsigned int low, high;
 	int i;
 
+	for (i = 0; i < NUM_HARDWARE_CONTROLS; ++i) {
+		int offset = i + __get_cpu_var(switch_index);
+		if (counter_config[offset].enabled)
+			reset_value[offset] = counter_config[offset].count;
+		else
+			reset_value[offset] = 0;
+	}
+
 	/* clear all counters */
-	for (i = 0 ; i < NUM_CONTROLS; ++i) {
+	for (i = 0 ; i < NUM_HARDWARE_CONTROLS; ++i) {
 		if (unlikely(!CTRL_IS_RESERVED(msrs, i)))
 			continue;
 		CTRL_READ(low, high, msrs, i);
@@ -161,34 +175,31 @@ static void op_amd_setup_ctrs(struct op_msrs const * const msrs)
 	}
 
 	/* avoid a false detection of ctr overflows in NMI handler */
-	for (i = 0; i < NUM_COUNTERS; ++i) {
+	for (i = 0; i < NUM_HARDWARE_COUNTERS; ++i) {
 		if (unlikely(!CTR_IS_RESERVED(msrs, i)))
 			continue;
 		CTR_WRITE(1, msrs, i);
 	}
 
 	/* enable active counters */
-	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs, i))) {
-			reset_value[i] = counter_config[i].count;
-
-			CTR_WRITE(counter_config[i].count, msrs, i);
+	for (i = 0; i < NUM_HARDWARE_COUNTERS; ++i) {
+		int offset = i + __get_cpu_var(switch_index);
+		if ((counter_config[offset].enabled) && (CTR_IS_RESERVED(msrs, i))) {
+			CTR_WRITE(counter_config[offset].count, msrs, i);
 
 			CTRL_READ(low, high, msrs, i);
 			CTRL_CLEAR_LO(low);
 			CTRL_CLEAR_HI(high);
 			CTRL_SET_ENABLE(low);
-			CTRL_SET_USR(low, counter_config[i].user);
-			CTRL_SET_KERN(low, counter_config[i].kernel);
-			CTRL_SET_UM(low, counter_config[i].unit_mask);
-			CTRL_SET_EVENT_LOW(low, counter_config[i].event);
-			CTRL_SET_EVENT_HIGH(high, counter_config[i].event);
+			CTRL_SET_USR(low, counter_config[offset].user);
+			CTRL_SET_KERN(low, counter_config[offset].kernel);
+			CTRL_SET_UM(low, counter_config[offset].unit_mask);
+			CTRL_SET_EVENT_LOW(low, counter_config[offset].event);
+			CTRL_SET_EVENT_HIGH(high, counter_config[offset].event);
 			CTRL_SET_HOST_ONLY(high, 0);
 			CTRL_SET_GUEST_ONLY(high, 0);
 
 			CTRL_WRITE(low, high, msrs, i);
-		} else {
-			reset_value[i] = 0;
 		}
 	}
 }
@@ -276,13 +287,14 @@ static int op_amd_check_ctrs(struct pt_regs * const regs,
 	unsigned int low, high;
 	int i;
 
-	for (i = 0 ; i < NUM_COUNTERS; ++i) {
-		if (!reset_value[i])
+	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
+		int offset = i + __get_cpu_var(switch_index);
+		if (!reset_value[offset])
 			continue;
 		CTR_READ(low, high, msrs, i);
 		if (CTR_OVERFLOWED(low)) {
-			oprofile_add_sample(regs, i);
-			CTR_WRITE(reset_value[i], msrs, i);
+			oprofile_add_sample(regs, offset);
+			CTR_WRITE(reset_value[offset], msrs, i);
 		}
 	}
 
@@ -298,8 +310,10 @@ static void op_amd_start(struct op_msrs const * const msrs)
 {
 	unsigned int low, high;
 	int i;
-	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
-		if (reset_value[i]) {
+
+	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
+		int offset = i + __get_cpu_var(switch_index);
+		if (reset_value[offset]) {
 			CTRL_READ(low, high, msrs, i);
 			CTRL_SET_ACTIVE(low);
 			CTRL_WRITE(low, high, msrs, i);
@@ -329,8 +343,8 @@ static void op_amd_stop(struct op_msrs const * const msrs)
 
 	/* Subtle: stop on all counters to avoid race with
 	 * setting our pm callback */
-	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
-		if (!reset_value[i])
+	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
+		if (!reset_value[i + per_cpu(switch_index, smp_processor_id())])
 			continue;
 		CTRL_READ(low, high, msrs, i);
 		CTRL_SET_INACTIVE(low);
@@ -356,11 +370,11 @@ static void op_amd_shutdown(struct op_msrs const * const msrs)
 {
 	int i;
 
-	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
+	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
 		if (CTR_IS_RESERVED(msrs, i))
 			release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
 	}
-	for (i = 0 ; i < NUM_CONTROLS ; ++i) {
+	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
 		if (CTRL_IS_RESERVED(msrs, i))
 			release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
 	}
@@ -534,6 +548,8 @@ struct op_x86_model_spec const op_amd_spec = {
 	.exit = op_amd_exit,
 	.num_counters = NUM_COUNTERS,
 	.num_controls = NUM_CONTROLS,
+	.num_hardware_counters = NUM_HARDWARE_COUNTERS,
+	.num_hardware_controls = NUM_HARDWARE_CONTROLS,
 	.fill_in_addresses = &op_amd_fill_in_addresses,
 	.setup_ctrs = &op_amd_setup_ctrs,
 	.check_ctrs = &op_amd_check_ctrs,
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
index 56b4757a1f4..e641545d479 100644
--- a/arch/x86/oprofile/op_model_p4.c
+++ b/arch/x86/oprofile/op_model_p4.c
@@ -701,6 +701,8 @@ static void p4_shutdown(struct op_msrs const * const msrs)
 struct op_x86_model_spec const op_p4_ht2_spec = {
 	.num_counters = NUM_COUNTERS_HT2,
 	.num_controls = NUM_CONTROLS_HT2,
+	.num_hardware_counters = NUM_COUNTERS_HT2,
+	.num_hardware_controls = NUM_CONTROLS_HT2,
 	.fill_in_addresses = &p4_fill_in_addresses,
 	.setup_ctrs = &p4_setup_ctrs,
 	.check_ctrs = &p4_check_ctrs,
@@ -713,6 +715,8 @@ struct op_x86_model_spec const op_p4_ht2_spec = {
 struct op_x86_model_spec const op_p4_spec = {
 	.num_counters = NUM_COUNTERS_NON_HT,
 	.num_controls = NUM_CONTROLS_NON_HT,
+	.num_hardware_counters = NUM_COUNTERS_NON_HT,
+	.num_hardware_controls = NUM_CONTROLS_NON_HT,
 	.fill_in_addresses = &p4_fill_in_addresses,
 	.setup_ctrs = &p4_setup_ctrs,
 	.check_ctrs = &p4_check_ctrs,
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index eff431f6c57..e5811aa480e 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -183,6 +183,8 @@ static void ppro_shutdown(struct op_msrs const * const msrs)
 struct op_x86_model_spec const op_ppro_spec = {
 	.num_counters = NUM_COUNTERS,
 	.num_controls = NUM_CONTROLS,
+	.num_hardware_counters = NUM_COUNTERS,
+	.num_hardware_controls = NUM_CONTROLS,
 	.fill_in_addresses = &ppro_fill_in_addresses,
 	.setup_ctrs = &ppro_setup_ctrs,
 	.check_ctrs = &ppro_check_ctrs,
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index 05a0261ba0c..e07ba107637 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -19,6 +19,7 @@ struct op_saved_msr {
 struct op_msr {
 	unsigned long addr;
 	struct op_saved_msr saved;
+	struct op_saved_msr multiplex;
 };
 
 struct op_msrs {
@@ -34,6 +35,8 @@ struct pt_regs;
 struct op_x86_model_spec {
 	int (*init)(struct oprofile_operations *ops);
 	void (*exit)(void);
+	unsigned int const num_hardware_counters;
+	unsigned int const num_hardware_controls;
 	unsigned int const num_counters;
 	unsigned int const num_controls;
 	void (*fill_in_addresses)(struct op_msrs * const msrs);
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index 2c645170f06..b2fa5df64a6 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -12,6 +12,8 @@
 #include <linux/init.h>
 #include <linux/oprofile.h>
 #include <linux/moduleparam.h>
+#include <linux/workqueue.h>
+#include <linux/time.h>
 #include <asm/mutex.h>
 
 #include "oprof.h"
@@ -19,13 +21,18 @@
 #include "cpu_buffer.h"
 #include "buffer_sync.h"
 #include "oprofile_stats.h"
+
+static unsigned long is_setup;
+static void switch_worker(struct work_struct *work);
+static DECLARE_DELAYED_WORK(switch_work, switch_worker);
+static DEFINE_MUTEX(start_mutex);
  
 struct oprofile_operations oprofile_ops;
 
+unsigned long timeout_jiffies;
 unsigned long oprofile_started;
 unsigned long backtrace_depth;
-static unsigned long is_setup;
-static DEFINE_MUTEX(start_mutex);
+/* Multiplexing defaults at 1 msec*/
 
 /* timer
    0 - use performance monitoring hardware if available
@@ -87,6 +94,16 @@ out:
 	return err;
 }
 
+static void start_switch_worker(void)
+{
+	schedule_delayed_work(&switch_work, timeout_jiffies);
+}
+
+static void switch_worker(struct work_struct *work)
+{
+	if (!oprofile_ops.switch_events())
+		start_switch_worker();
+}
 
 /* Actually start profiling (echo 1>/dev/oprofile/enable) */
 int oprofile_start(void)
@@ -94,7 +111,6 @@ int oprofile_start(void)
 	int err = -EINVAL;
  
 	mutex_lock(&start_mutex);
- 
 	if (!is_setup)
 		goto out;
 
@@ -108,6 +124,9 @@ int oprofile_start(void)
 	if ((err = oprofile_ops.start()))
 		goto out;
 
+	if (oprofile_ops.switch_events)
+		start_switch_worker();
+
 	oprofile_started = 1;
 out:
 	mutex_unlock(&start_mutex);
@@ -123,6 +142,7 @@ void oprofile_stop(void)
 		goto out;
 	oprofile_ops.stop();
 	oprofile_started = 0;
+	cancel_delayed_work_sync(&switch_work);
 	/* wake up the daemon to read what remains */
 	wake_up_buffer_waiter();
 out:
@@ -155,6 +175,32 @@ post_sync:
 	mutex_unlock(&start_mutex);
 }
 
+/* User inputs in ms, converts to jiffies */
+int oprofile_set_timeout(unsigned long val_msec)
+{
+	int err = 0;
+
+	mutex_lock(&start_mutex);
+
+	if (oprofile_started) {
+		err = -EBUSY;
+		goto out;
+	}
+
+	if (!oprofile_ops.switch_events) {
+		err = -EINVAL;
+		goto out;
+	}
+
+	timeout_jiffies = msecs_to_jiffies(val_msec);
+	if (timeout_jiffies == MAX_JIFFY_OFFSET)
+		timeout_jiffies = msecs_to_jiffies(1);
+
+out:
+	mutex_unlock(&start_mutex);
+	return err;
+
+}
 
 int oprofile_set_backtrace(unsigned long val)
 {
@@ -179,10 +225,16 @@ out:
 	return err;
 }
 
+static void __init oprofile_switch_timer_init(void)
+{
+	timeout_jiffies = msecs_to_jiffies(1);
+}
+
 static int __init oprofile_init(void)
 {
 	int err;
 
+	oprofile_switch_timer_init();
 	err = oprofile_arch_init(&oprofile_ops);
 
 	if (err < 0 || timer) {
diff --git a/drivers/oprofile/oprof.h b/drivers/oprofile/oprof.h
index 18323650806..c4406a7366b 100644
--- a/drivers/oprofile/oprof.h
+++ b/drivers/oprofile/oprof.h
@@ -27,7 +27,8 @@ extern unsigned long fs_buffer_watershed;
 extern struct oprofile_operations oprofile_ops;
 extern unsigned long oprofile_started;
 extern unsigned long backtrace_depth;
- 
+extern unsigned long timeout_jiffies;
+
 struct super_block;
 struct dentry;
 
@@ -35,5 +36,6 @@ void oprofile_create_files(struct super_block * sb, struct dentry * root);
 void oprofile_timer_init(struct oprofile_operations * ops);
 
 int oprofile_set_backtrace(unsigned long depth);
+int oprofile_set_timeout(unsigned long time);
  
 #endif /* OPROF_H */
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index ef953ba5ab6..cc4f5a1f8ef 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -9,6 +9,7 @@
 
 #include <linux/fs.h>
 #include <linux/oprofile.h>
+#include <linux/jiffies.h>
 
 #include "event_buffer.h"
 #include "oprofile_stats.h"
@@ -18,6 +19,40 @@ unsigned long fs_buffer_size = 131072;
 unsigned long fs_cpu_buffer_size = 8192;
 unsigned long fs_buffer_watershed = 32768; /* FIXME: tune */
 
+static ssize_t timeout_read(struct file *file, char __user *buf,
+		size_t count, loff_t *offset)
+{
+	return oprofilefs_ulong_to_user(jiffies_to_msecs(timeout_jiffies),
+				buf, count, offset);
+}
+
+
+static ssize_t timeout_write(struct file *file, char const __user *buf,
+		size_t count, loff_t *offset)
+{
+	unsigned long val;
+	int retval;
+
+	if (*offset)
+		return -EINVAL;
+
+	retval = oprofilefs_ulong_from_user(&val, buf, count);
+	if (retval)
+		return retval;
+
+	retval = oprofile_set_timeout(val);
+
+	if (retval)
+		return retval;
+	return count;
+}
+
+static const struct file_operations timeout_fops = {
+	.read		= timeout_read,
+	.write		= timeout_write,
+};
+
+
 static ssize_t depth_read(struct file * file, char __user * buf, size_t count, loff_t * offset)
 {
 	return oprofilefs_ulong_to_user(backtrace_depth, buf, count, offset);
@@ -85,11 +120,10 @@ static ssize_t enable_write(struct file * file, char const __user * buf, size_t
 
 	if (*offset)
 		return -EINVAL;
-
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
 	if (retval)
 		return retval;
- 
+
 	if (val)
 		retval = oprofile_start();
 	else
@@ -129,6 +163,7 @@ void oprofile_create_files(struct super_block * sb, struct dentry * root)
 	oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops); 
 	oprofilefs_create_file(sb, root, "backtrace_depth", &depth_fops);
 	oprofilefs_create_file(sb, root, "pointer_size", &pointer_size_fops);
+	oprofilefs_create_file(sb, root, "timeout_ms", &timeout_fops);
 	oprofile_create_stats_files(sb, root);
 	if (oprofile_ops.create_files)
 		oprofile_ops.create_files(sb, root);
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index bcb8f725427..687f2f4c36a 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -67,6 +67,9 @@ struct oprofile_operations {
 
 	/* Initiate a stack backtrace. Optional. */
 	void (*backtrace)(struct pt_regs * const regs, unsigned int depth);
+
+	/* Multiplex between different events. Optional. */
+	int (*switch_events)(void);
 	/* CPU identification string. */
 	char * cpu_type;
 };
-- 
GitLab


From 7e7b43892b87b6be259479ef4de14029dcb4012f Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Thu, 24 Jul 2008 16:00:16 +0200
Subject: [PATCH 0005/2224] x86/oprofile: fix on_each_cpu build error

Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Cc: Jason Yeh <jason.yeh@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/oprofile/nmi_int.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 2a65fe7680a..fb4902bc6f1 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -123,7 +123,7 @@ static int nmi_switch_event(void)
 	if (nmi_multiplex_on() < 0)
 		return -EINVAL;
 
-	on_each_cpu(nmi_cpu_switch, NULL, 0, 1);
+	on_each_cpu(nmi_cpu_switch, NULL, 1);
 
 	return 0;
 }
-- 
GitLab


From 34a82443b79dcda4304b229d555586296da40c16 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Wed, 30 Jul 2008 12:35:05 -0700
Subject: [PATCH 0006/2224] [MTD] dataflash OTP support

Now that we can tell when we have one of the newer DataFlash chips,
optionally expose the 128 bytes of OTP memory they provide.  Tested
on at45db642 revision B and D chips.

Switch mtdchar over to a generic HAVE_MTD_OTP flag instead of adding
another #ifdef for each type of chip whose driver has OTP support.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Bryan Wu <cooloney@kernel.org>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/Kconfig                 |   5 +
 drivers/mtd/chips/Kconfig           |   1 +
 drivers/mtd/devices/Kconfig         |  11 ++
 drivers/mtd/devices/mtd_dataflash.c | 206 +++++++++++++++++++++++++++-
 drivers/mtd/mtdchar.c               |   4 +-
 drivers/mtd/onenand/Kconfig         |   1 +
 6 files changed, 219 insertions(+), 9 deletions(-)

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 14f11f8b9e5..a90d50c2c3e 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -172,6 +172,11 @@ config MTD_CHAR
 	  memory chips, and also use ioctl() to obtain information about
 	  the device, or to erase parts of it.
 
+config HAVE_MTD_OTP
+	bool
+	help
+	  Enable access to OTP regions using MTD_CHAR.
+
 config MTD_BLKDEVS
 	tristate "Common interface to block layer for MTD 'translation layers'"
 	depends on BLOCK
diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index 479d32b57a1..4c35e5d77f9 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -154,6 +154,7 @@ config MTD_CFI_I8
 config MTD_OTP
 	bool "Protection Registers aka one-time programmable (OTP) bits"
 	depends on MTD_CFI_ADV_OPTIONS
+	select HAVE_MTD_OTP
 	default n
 	help
 	  This enables support for reading, writing and locking so called
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 9c613f06623..88f4df04746 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -59,6 +59,17 @@ config MTD_DATAFLASH
 	  Sometimes DataFlash chips are packaged inside MMC-format
 	  cards; at this writing, the MMC stack won't handle those.
 
+config MTD_DATAFLASH_OTP
+	bool "DataFlash OTP support (Security Register)"
+	depends on MTD_DATAFLASH
+	select HAVE_MTD_OTP
+	help
+	  Newer DataFlash chips (revisions C and D) support 128 bytes of
+	  one-time-programmable (OTP) data.  The first half may be written
+	  (once) with up to 64 bytes of data, such as a serial number or
+	  other key product data.  The second half is programmed with a
+	  unique-to-each-chip bit pattern at the factory.
+
 config MTD_M25P80
 	tristate "Support most SPI Flash chips (AT26DF, M25P, W25X, ...)"
 	depends on SPI_MASTER && EXPERIMENTAL
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 8bd0dea6885..17c9b20dca8 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -80,7 +80,8 @@
  */
 #define OP_READ_ID		0x9F
 #define OP_READ_SECURITY	0x77
-#define OP_WRITE_SECURITY	0x9A	/* OTP bits */
+#define OP_WRITE_SECURITY_REVC	0x9A
+#define OP_WRITE_SECURITY	0x9B	/* revision D */
 
 
 struct dataflash {
@@ -451,16 +452,192 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
 
 /* ......................................................................... */
 
+#ifdef CONFIG_MTD_DATAFLASH_OTP
+
+static int dataflash_get_otp_info(struct mtd_info *mtd,
+		struct otp_info *info, size_t len)
+{
+	/* Report both blocks as identical:  bytes 0..64, locked.
+	 * Unless the user block changed from all-ones, we can't
+	 * tell whether it's still writable; so we assume it isn't.
+	 */
+	info->start = 0;
+	info->length = 64;
+	info->locked = 1;
+	return sizeof(*info);
+}
+
+static ssize_t otp_read(struct spi_device *spi, unsigned base,
+		uint8_t *buf, loff_t off, size_t len)
+{
+	struct spi_message	m;
+	size_t			l;
+	uint8_t			*scratch;
+	struct spi_transfer	t;
+	int			status;
+
+	if (off > 64)
+		return -EINVAL;
+
+	if ((off + len) > 64)
+		len = 64 - off;
+	if (len == 0)
+		return len;
+
+	spi_message_init(&m);
+
+	l = 4 + base + off + len;
+	scratch = kzalloc(l, GFP_KERNEL);
+	if (!scratch)
+		return -ENOMEM;
+
+	/* OUT: OP_READ_SECURITY, 3 don't-care bytes, zeroes
+	 * IN:  ignore 4 bytes, data bytes 0..N (max 127)
+	 */
+	scratch[0] = OP_READ_SECURITY;
+
+	memset(&t, 0, sizeof t);
+	t.tx_buf = scratch;
+	t.rx_buf = scratch;
+	t.len = l;
+	spi_message_add_tail(&t, &m);
+
+	dataflash_waitready(spi);
+
+	status = spi_sync(spi, &m);
+	if (status >= 0) {
+		memcpy(buf, scratch + 4 + base + off, len);
+		status = len;
+	}
+
+	kfree(scratch);
+	return status;
+}
+
+static int dataflash_read_fact_otp(struct mtd_info *mtd,
+		loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+	struct dataflash	*priv = (struct dataflash *)mtd->priv;
+	int			status;
+
+	/* 64 bytes, from 0..63 ... start at 64 on-chip */
+	mutex_lock(&priv->lock);
+	status = otp_read(priv->spi, 64, buf, from, len);
+	mutex_unlock(&priv->lock);
+
+	if (status < 0)
+		return status;
+	*retlen = status;
+	return 0;
+}
+
+static int dataflash_read_user_otp(struct mtd_info *mtd,
+		loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+	struct dataflash	*priv = (struct dataflash *)mtd->priv;
+	int			status;
+
+	/* 64 bytes, from 0..63 ... start at 0 on-chip */
+	mutex_lock(&priv->lock);
+	status = otp_read(priv->spi, 0, buf, from, len);
+	mutex_unlock(&priv->lock);
+
+	if (status < 0)
+		return status;
+	*retlen = status;
+	return 0;
+}
+
+static int dataflash_write_user_otp(struct mtd_info *mtd,
+		loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+	struct spi_message	m;
+	const size_t		l = 4 + 64;
+	uint8_t			*scratch;
+	struct spi_transfer	t;
+	struct dataflash	*priv = (struct dataflash *)mtd->priv;
+	int			status;
+
+	if (len > 64)
+		return -EINVAL;
+
+	/* Strictly speaking, we *could* truncate the write ... but
+	 * let's not do that for the only write that's ever possible.
+	 */
+	if ((from + len) > 64)
+		return -EINVAL;
+
+	/* OUT: OP_WRITE_SECURITY, 3 zeroes, 64 data-or-zero bytes
+	 * IN:  ignore all
+	 */
+	scratch = kzalloc(l, GFP_KERNEL);
+	if (!scratch)
+		return -ENOMEM;
+	scratch[0] = OP_WRITE_SECURITY;
+	memcpy(scratch + 4 + from, buf, len);
+
+	spi_message_init(&m);
+
+	memset(&t, 0, sizeof t);
+	t.tx_buf = scratch;
+	t.len = l;
+	spi_message_add_tail(&t, &m);
+
+	/* Write the OTP bits, if they've not yet been written.
+	 * This modifies SRAM buffer1.
+	 */
+	mutex_lock(&priv->lock);
+	dataflash_waitready(priv->spi);
+	status = spi_sync(priv->spi, &m);
+	mutex_unlock(&priv->lock);
+
+	kfree(scratch);
+
+	if (status >= 0) {
+		status = 0;
+		*retlen = len;
+	}
+	return status;
+}
+
+static char *otp_setup(struct mtd_info *device, char revision)
+{
+	device->get_fact_prot_info = dataflash_get_otp_info;
+	device->read_fact_prot_reg = dataflash_read_fact_otp;
+	device->get_user_prot_info = dataflash_get_otp_info;
+	device->read_user_prot_reg = dataflash_read_user_otp;
+
+	/* rev c parts (at45db321c and at45db1281 only!) use a
+	 * different write procedure; not (yet?) implemented.
+	 */
+	if (revision > 'c')
+		device->write_user_prot_reg = dataflash_write_user_otp;
+
+	return ", OTP";
+}
+
+#else
+
+static char *otp_setup(struct mtd_info *device)
+{
+	return " (OTP)";
+}
+
+#endif
+
+/* ......................................................................... */
+
 /*
  * Register DataFlash device with MTD subsystem.
  */
 static int __devinit
-add_dataflash(struct spi_device *spi, char *name,
-		int nr_pages, int pagesize, int pageoffset)
+add_dataflash_otp(struct spi_device *spi, char *name,
+		int nr_pages, int pagesize, int pageoffset, char revision)
 {
 	struct dataflash		*priv;
 	struct mtd_info			*device;
 	struct flash_platform_data	*pdata = spi->dev.platform_data;
+	char				*otp_tag = "";
 
 	priv = kzalloc(sizeof *priv, GFP_KERNEL);
 	if (!priv)
@@ -489,8 +666,12 @@ add_dataflash(struct spi_device *spi, char *name,
 	device->write = dataflash_write;
 	device->priv = priv;
 
-	dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes\n",
-			name, DIV_ROUND_UP(device->size, 1024), pagesize);
+	if (revision >= 'c')
+		otp_tag = otp_setup(device, revision);
+
+	dev_info(&spi->dev, "%s (%d KBytes) pagesize %d bytes%s\n",
+			name, DIV_ROUND_UP(device->size, 1024),
+			pagesize, otp_tag);
 	dev_set_drvdata(&spi->dev, priv);
 
 	if (mtd_has_partitions()) {
@@ -519,6 +700,14 @@ add_dataflash(struct spi_device *spi, char *name,
 	return add_mtd_device(device) == 1 ? -ENODEV : 0;
 }
 
+static inline int __devinit
+add_dataflash(struct spi_device *spi, char *name,
+		int nr_pages, int pagesize, int pageoffset)
+{
+	return add_dataflash_otp(spi, name, nr_pages, pagesize,
+			pageoffset, 0);
+}
+
 struct flash_info {
 	char		*name;
 
@@ -664,13 +853,16 @@ static int __devinit dataflash_probe(struct spi_device *spi)
 	 * Try to detect dataflash by JEDEC ID.
 	 * If it succeeds we know we have either a C or D part.
 	 * D will support power of 2 pagesize option.
+	 * Both support the security register, though with different
+	 * write procedures.
 	 */
 	info = jedec_probe(spi);
 	if (IS_ERR(info))
 		return PTR_ERR(info);
 	if (info != NULL)
-		return add_dataflash(spi, info->name, info->nr_pages,
-				 info->pagesize, info->pageoffset);
+		return add_dataflash_otp(spi, info->name, info->nr_pages,
+				info->pagesize, info->pageoffset,
+				(info->flags & SUP_POW2PS) ? 'd' : 'c');
 
 	/*
 	 * Older chips support only legacy commands, identifing
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index d2f331876e4..13cc67ad272 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -350,7 +350,7 @@ static void mtdchar_erase_callback (struct erase_info *instr)
 	wake_up((wait_queue_head_t *)instr->priv);
 }
 
-#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP)
+#ifdef CONFIG_HAVE_MTD_OTP
 static int otp_select_filemode(struct mtd_file_info *mfi, int mode)
 {
 	struct mtd_info *mtd = mfi->mtd;
@@ -663,7 +663,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 		break;
 	}
 
-#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP)
+#ifdef CONFIG_HAVE_MTD_OTP
 	case OTPSELECT:
 	{
 		int mode;
diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig
index cb41cbca64f..b94a61b670d 100644
--- a/drivers/mtd/onenand/Kconfig
+++ b/drivers/mtd/onenand/Kconfig
@@ -29,6 +29,7 @@ config MTD_ONENAND_GENERIC
 
 config MTD_ONENAND_OTP
 	bool "OneNAND OTP Support"
+	select HAVE_MTD_OTP
 	help
 	  One Block of the NAND Flash Array memory is reserved as
 	  a One-Time Programmable Block memory area.
-- 
GitLab


From feb2f55db45919aa80731f8877b60cab454b7b94 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 1 Aug 2008 11:53:29 +0300
Subject: [PATCH 0007/2224] [MTD] [OneNAND] Add defines for HF and sync write

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 include/linux/mtd/onenand_regs.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h
index d1b310c92eb..0c6bbe28f38 100644
--- a/include/linux/mtd/onenand_regs.h
+++ b/include/linux/mtd/onenand_regs.h
@@ -152,6 +152,8 @@
 #define ONENAND_SYS_CFG1_INT		(1 << 6)
 #define ONENAND_SYS_CFG1_IOBE		(1 << 5)
 #define ONENAND_SYS_CFG1_RDY_CONF	(1 << 4)
+#define ONENAND_SYS_CFG1_HF		(1 << 2)
+#define ONENAND_SYS_CFG1_SYNC_WRITE	(1 << 1)
 
 /*
  * Controller Status Register F240h (R)
-- 
GitLab


From c4308d1076830a72e05eb3e5f58b9ed851229399 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Fri, 1 Aug 2008 11:44:20 -0500
Subject: [PATCH 0008/2224] [MTD] remove code associated with !CONFIG_PPC_MERGE

Now that arch/ppc is gone we don't need CONFIG_PPC_MERGE anymore
remove the dead code associated with !CONFIG_PPC_MERGE.

The mtd maps should be using the OF based mechanism.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/Kconfig  |  24 ------
 drivers/mtd/maps/Makefile |   3 -
 drivers/mtd/maps/ebony.c  | 163 --------------------------------------
 drivers/mtd/maps/ocotea.c | 154 -----------------------------------
 drivers/mtd/maps/walnut.c | 122 ----------------------------
 5 files changed, 466 deletions(-)
 delete mode 100644 drivers/mtd/maps/ebony.c
 delete mode 100644 drivers/mtd/maps/ocotea.c
 delete mode 100644 drivers/mtd/maps/walnut.c

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index df8e00bba07..db667b16c04 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -332,30 +332,6 @@ config MTD_CFI_FLAGADM
 	  Mapping for the Flaga digital module. If you don't have one, ignore
 	  this setting.
 
-config MTD_WALNUT
-	tristate "Flash device mapped on IBM 405GP Walnut"
-	depends on MTD_JEDECPROBE && WALNUT && !PPC_MERGE
-	help
-	  This enables access routines for the flash chips on the IBM 405GP
-	  Walnut board. If you have one of these boards and would like to
-	  use the flash chips on it, say 'Y'.
-
-config MTD_EBONY
-	tristate "Flash devices mapped on IBM 440GP Ebony"
-	depends on MTD_JEDECPROBE && EBONY && !PPC_MERGE
-	help
-	  This enables access routines for the flash chips on the IBM 440GP
-	  Ebony board. If you have one of these boards and would like to
-	  use the flash chips on it, say 'Y'.
-
-config MTD_OCOTEA
-	tristate "Flash devices mapped on IBM 440GX Ocotea"
-	depends on MTD_CFI && OCOTEA && !PPC_MERGE
-	help
-	  This enables access routines for the flash chips on the IBM 440GX
-	  Ocotea board. If you have one of these boards and would like to
-	  use the flash chips on it, say 'Y'.
-
 config MTD_REDWOOD
 	tristate "CFI Flash devices mapped on IBM Redwood"
 	depends on MTD_CFI && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 )
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 6cda6df973e..b2582506cde 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -50,9 +50,6 @@ obj-$(CONFIG_MTD_REDWOOD)	+= redwood.o
 obj-$(CONFIG_MTD_UCLINUX)	+= uclinux.o
 obj-$(CONFIG_MTD_NETtel)	+= nettel.o
 obj-$(CONFIG_MTD_SCB2_FLASH)	+= scb2_flash.o
-obj-$(CONFIG_MTD_EBONY)		+= ebony.o
-obj-$(CONFIG_MTD_OCOTEA)	+= ocotea.o
-obj-$(CONFIG_MTD_WALNUT)        += walnut.o
 obj-$(CONFIG_MTD_H720X)		+= h720x-flash.o
 obj-$(CONFIG_MTD_SBC8240)	+= sbc8240.o
 obj-$(CONFIG_MTD_NOR_TOTO)	+= omap-toto-flash.o
diff --git a/drivers/mtd/maps/ebony.c b/drivers/mtd/maps/ebony.c
deleted file mode 100644
index d92b7c70d3e..00000000000
--- a/drivers/mtd/maps/ebony.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Mapping for Ebony user flash
- *
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright 2002-2004 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/ibm44x.h>
-#include <platforms/4xx/ebony.h>
-
-static struct mtd_info *flash;
-
-static struct map_info ebony_small_map = {
-	.name =		"Ebony small flash",
-	.size =		EBONY_SMALL_FLASH_SIZE,
-	.bankwidth =	1,
-};
-
-static struct map_info ebony_large_map = {
-	.name =		"Ebony large flash",
-	.size =		EBONY_LARGE_FLASH_SIZE,
-	.bankwidth =	1,
-};
-
-static struct mtd_partition ebony_small_partitions[] = {
-	{
-		.name =   "OpenBIOS",
-		.offset = 0x0,
-		.size =   0x80000,
-	}
-};
-
-static struct mtd_partition ebony_large_partitions[] = {
-	{
-		.name =   "fs",
-		.offset = 0,
-		.size =   0x380000,
-	},
-	{
-		.name =   "firmware",
-		.offset = 0x380000,
-		.size =   0x80000,
-	}
-};
-
-int __init init_ebony(void)
-{
-	u8 fpga0_reg;
-	u8 __iomem *fpga0_adr;
-	unsigned long long small_flash_base, large_flash_base;
-
-	fpga0_adr = ioremap64(EBONY_FPGA_ADDR, 16);
-	if (!fpga0_adr)
-		return -ENOMEM;
-
-	fpga0_reg = readb(fpga0_adr);
-	iounmap(fpga0_adr);
-
-	if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
-			!EBONY_FLASH_SEL(fpga0_reg))
-		small_flash_base = EBONY_SMALL_FLASH_HIGH2;
-	else if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
-			EBONY_FLASH_SEL(fpga0_reg))
-		small_flash_base = EBONY_SMALL_FLASH_HIGH1;
-	else if (!EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
-			!EBONY_FLASH_SEL(fpga0_reg))
-		small_flash_base = EBONY_SMALL_FLASH_LOW2;
-	else
-		small_flash_base = EBONY_SMALL_FLASH_LOW1;
-
-	if (EBONY_BOOT_SMALL_FLASH(fpga0_reg) &&
-			!EBONY_ONBRD_FLASH_EN(fpga0_reg))
-		large_flash_base = EBONY_LARGE_FLASH_LOW;
-	else
-		large_flash_base = EBONY_LARGE_FLASH_HIGH;
-
-	ebony_small_map.phys = small_flash_base;
-	ebony_small_map.virt = ioremap64(small_flash_base,
-					 ebony_small_map.size);
-
-	if (!ebony_small_map.virt) {
-		printk("Failed to ioremap flash\n");
-		return -EIO;
-	}
-
-	simple_map_init(&ebony_small_map);
-
-	flash = do_map_probe("jedec_probe", &ebony_small_map);
-	if (flash) {
-		flash->owner = THIS_MODULE;
-		add_mtd_partitions(flash, ebony_small_partitions,
-					ARRAY_SIZE(ebony_small_partitions));
-	} else {
-		printk("map probe failed for flash\n");
-		iounmap(ebony_small_map.virt);
-		return -ENXIO;
-	}
-
-	ebony_large_map.phys = large_flash_base;
-	ebony_large_map.virt = ioremap64(large_flash_base,
-					 ebony_large_map.size);
-
-	if (!ebony_large_map.virt) {
-		printk("Failed to ioremap flash\n");
-		iounmap(ebony_small_map.virt);
-		return -EIO;
-	}
-
-	simple_map_init(&ebony_large_map);
-
-	flash = do_map_probe("jedec_probe", &ebony_large_map);
-	if (flash) {
-		flash->owner = THIS_MODULE;
-		add_mtd_partitions(flash, ebony_large_partitions,
-					ARRAY_SIZE(ebony_large_partitions));
-	} else {
-		printk("map probe failed for flash\n");
-		iounmap(ebony_small_map.virt);
-		iounmap(ebony_large_map.virt);
-		return -ENXIO;
-	}
-
-	return 0;
-}
-
-static void __exit cleanup_ebony(void)
-{
-	if (flash) {
-		del_mtd_partitions(flash);
-		map_destroy(flash);
-	}
-
-	if (ebony_small_map.virt) {
-		iounmap(ebony_small_map.virt);
-		ebony_small_map.virt = NULL;
-	}
-
-	if (ebony_large_map.virt) {
-		iounmap(ebony_large_map.virt);
-		ebony_large_map.virt = NULL;
-	}
-}
-
-module_init(init_ebony);
-module_exit(cleanup_ebony);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Matt Porter <mporter@kernel.crashing.org>");
-MODULE_DESCRIPTION("MTD map and partitions for IBM 440GP Ebony boards");
diff --git a/drivers/mtd/maps/ocotea.c b/drivers/mtd/maps/ocotea.c
deleted file mode 100644
index 5522eac8c98..00000000000
--- a/drivers/mtd/maps/ocotea.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Mapping for Ocotea user flash
- *
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright 2002-2004 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/ibm44x.h>
-#include <platforms/4xx/ocotea.h>
-
-static struct mtd_info *flash;
-
-static struct map_info ocotea_small_map = {
-	.name =		"Ocotea small flash",
-	.size =		OCOTEA_SMALL_FLASH_SIZE,
-	.buswidth =	1,
-};
-
-static struct map_info ocotea_large_map = {
-	.name =		"Ocotea large flash",
-	.size =		OCOTEA_LARGE_FLASH_SIZE,
-	.buswidth =	1,
-};
-
-static struct mtd_partition ocotea_small_partitions[] = {
-	{
-		.name =   "pibs",
-		.offset = 0x0,
-		.size =   0x100000,
-	}
-};
-
-static struct mtd_partition ocotea_large_partitions[] = {
-	{
-		.name =   "fs",
-		.offset = 0,
-		.size =   0x300000,
-	},
-	{
-		.name =   "firmware",
-		.offset = 0x300000,
-		.size =   0x100000,
-	}
-};
-
-int __init init_ocotea(void)
-{
-	u8 fpga0_reg;
-	u8 *fpga0_adr;
-	unsigned long long small_flash_base, large_flash_base;
-
-	fpga0_adr = ioremap64(OCOTEA_FPGA_ADDR, 16);
-	if (!fpga0_adr)
-		return -ENOMEM;
-
-	fpga0_reg = readb((unsigned long)fpga0_adr);
-	iounmap(fpga0_adr);
-
-	if (OCOTEA_BOOT_LARGE_FLASH(fpga0_reg)) {
-		small_flash_base = OCOTEA_SMALL_FLASH_HIGH;
-		large_flash_base = OCOTEA_LARGE_FLASH_LOW;
-	}
-	else {
-		small_flash_base = OCOTEA_SMALL_FLASH_LOW;
-		large_flash_base = OCOTEA_LARGE_FLASH_HIGH;
-	}
-
-	ocotea_small_map.phys = small_flash_base;
-	ocotea_small_map.virt = ioremap64(small_flash_base,
-					 ocotea_small_map.size);
-
-	if (!ocotea_small_map.virt) {
-		printk("Failed to ioremap flash\n");
-		return -EIO;
-	}
-
-	simple_map_init(&ocotea_small_map);
-
-	flash = do_map_probe("map_rom", &ocotea_small_map);
-	if (flash) {
-		flash->owner = THIS_MODULE;
-		add_mtd_partitions(flash, ocotea_small_partitions,
-					ARRAY_SIZE(ocotea_small_partitions));
-	} else {
-		printk("map probe failed for flash\n");
-		iounmap(ocotea_small_map.virt);
-		return -ENXIO;
-	}
-
-	ocotea_large_map.phys = large_flash_base;
-	ocotea_large_map.virt = ioremap64(large_flash_base,
-					 ocotea_large_map.size);
-
-	if (!ocotea_large_map.virt) {
-		printk("Failed to ioremap flash\n");
-		iounmap(ocotea_small_map.virt);
-		return -EIO;
-	}
-
-	simple_map_init(&ocotea_large_map);
-
-	flash = do_map_probe("cfi_probe", &ocotea_large_map);
-	if (flash) {
-		flash->owner = THIS_MODULE;
-		add_mtd_partitions(flash, ocotea_large_partitions,
-					ARRAY_SIZE(ocotea_large_partitions));
-	} else {
-		printk("map probe failed for flash\n");
-		iounmap(ocotea_small_map.virt);
-		iounmap(ocotea_large_map.virt);
-		return -ENXIO;
-	}
-
-	return 0;
-}
-
-static void __exit cleanup_ocotea(void)
-{
-	if (flash) {
-		del_mtd_partitions(flash);
-		map_destroy(flash);
-	}
-
-	if (ocotea_small_map.virt) {
-		iounmap((void *)ocotea_small_map.virt);
-		ocotea_small_map.virt = 0;
-	}
-
-	if (ocotea_large_map.virt) {
-		iounmap((void *)ocotea_large_map.virt);
-		ocotea_large_map.virt = 0;
-	}
-}
-
-module_init(init_ocotea);
-module_exit(cleanup_ocotea);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Matt Porter <mporter@kernel.crashing.org>");
-MODULE_DESCRIPTION("MTD map and partitions for IBM 440GX Ocotea boards");
diff --git a/drivers/mtd/maps/walnut.c b/drivers/mtd/maps/walnut.c
deleted file mode 100644
index e243476c817..00000000000
--- a/drivers/mtd/maps/walnut.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Mapping for Walnut flash
- * (used ebony.c as a "framework")
- *
- * Heikki Lindholm <holindho@infradead.org>
- *
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/ibm4xx.h>
-#include <platforms/4xx/walnut.h>
-
-/* these should be in platforms/4xx/walnut.h ? */
-#define WALNUT_FLASH_ONBD_N(x)		(x & 0x02)
-#define WALNUT_FLASH_SRAM_SEL(x)	(x & 0x01)
-#define WALNUT_FLASH_LOW		0xFFF00000
-#define WALNUT_FLASH_HIGH		0xFFF80000
-#define WALNUT_FLASH_SIZE		0x80000
-
-static struct mtd_info *flash;
-
-static struct map_info walnut_map = {
-	.name =		"Walnut flash",
-	.size =		WALNUT_FLASH_SIZE,
-	.bankwidth =	1,
-};
-
-/* Actually, OpenBIOS is the last 128 KiB of the flash - better
- * partitioning could be made */
-static struct mtd_partition walnut_partitions[] = {
-	{
-		.name =   "OpenBIOS",
-		.offset = 0x0,
-		.size =   WALNUT_FLASH_SIZE,
-		/*.mask_flags = MTD_WRITEABLE, */ /* force read-only */
-	}
-};
-
-int __init init_walnut(void)
-{
-	u8 fpga_brds1;
-	void *fpga_brds1_adr;
-	void *fpga_status_adr;
-	unsigned long flash_base;
-
-	/* this should already be mapped (platform/4xx/walnut.c) */
-	fpga_status_adr = ioremap(WALNUT_FPGA_BASE, 8);
-	if (!fpga_status_adr)
-		return -ENOMEM;
-
-	fpga_brds1_adr = fpga_status_adr+5;
-	fpga_brds1 = readb(fpga_brds1_adr);
-	/* iounmap(fpga_status_adr); */
-
-	if (WALNUT_FLASH_ONBD_N(fpga_brds1)) {
-		printk("The on-board flash is disabled (U79 sw 5)!");
-		iounmap(fpga_status_adr);
-		return -EIO;
-	}
-	if (WALNUT_FLASH_SRAM_SEL(fpga_brds1))
-		flash_base = WALNUT_FLASH_LOW;
-	else
-		flash_base = WALNUT_FLASH_HIGH;
-
-	walnut_map.phys = flash_base;
-	walnut_map.virt =
-		(void __iomem *)ioremap(flash_base, walnut_map.size);
-
-	if (!walnut_map.virt) {
-		printk("Failed to ioremap flash.\n");
-		iounmap(fpga_status_adr);
-		return -EIO;
-	}
-
-	simple_map_init(&walnut_map);
-
-	flash = do_map_probe("jedec_probe", &walnut_map);
-	if (flash) {
-		flash->owner = THIS_MODULE;
-		add_mtd_partitions(flash, walnut_partitions,
-					ARRAY_SIZE(walnut_partitions));
-	} else {
-		printk("map probe failed for flash\n");
-		iounmap(fpga_status_adr);
-		return -ENXIO;
-	}
-
-	iounmap(fpga_status_adr);
-	return 0;
-}
-
-static void __exit cleanup_walnut(void)
-{
-	if (flash) {
-		del_mtd_partitions(flash);
-		map_destroy(flash);
-	}
-
-	if (walnut_map.virt) {
-		iounmap((void *)walnut_map.virt);
-		walnut_map.virt = 0;
-	}
-}
-
-module_init(init_walnut);
-module_exit(cleanup_walnut);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Heikki Lindholm <holindho@infradead.org>");
-MODULE_DESCRIPTION("MTD map and partitions for IBM 405GP Walnut boards");
-- 
GitLab


From c8872b069c536976b81bccfc95dda945594bc504 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 2 Aug 2008 17:14:21 +0200
Subject: [PATCH 0009/2224] [MTD] Use DIV_ROUND_UP

The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /
(d)) but is perhaps more readable.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0001.c | 2 +-
 drivers/mtd/chips/gen_probe.c       | 2 +-
 drivers/mtd/ssfdc.c                 | 3 +--
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 5f1b472137a..d49cbe2738a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -1640,7 +1640,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
 
 	/* Figure out the number of words to write */
 	word_gap = (-adr & (map_bankwidth(map)-1));
-	words = (len - word_gap + map_bankwidth(map) - 1) / map_bankwidth(map);
+	words = DIV_ROUND_UP(len - word_gap, map_bankwidth(map));
 	if (!word_gap) {
 		words--;
 	} else {
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index f061885b281..e2dc96441e0 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -111,7 +111,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
 		max_chips = 1;
 	}
 
-	mapsize = sizeof(long) * ( (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG );
+	mapsize = sizeof(long) * DIV_ROUND_UP(max_chips, BITS_PER_LONG);
 	chip_map = kzalloc(mapsize, GFP_KERNEL);
 	if (!chip_map) {
 		printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name);
diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c
index a5f3d60047d..33a5d6ed6f1 100644
--- a/drivers/mtd/ssfdc.c
+++ b/drivers/mtd/ssfdc.c
@@ -321,8 +321,7 @@ static void ssfdcr_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 	DEBUG(MTD_DEBUG_LEVEL1,
 		"SSFDC_RO: cis_block=%d,erase_size=%d,map_len=%d,n_zones=%d\n",
 		ssfdc->cis_block, ssfdc->erase_size, ssfdc->map_len,
-		(ssfdc->map_len + MAX_PHYS_BLK_PER_ZONE - 1) /
-		MAX_PHYS_BLK_PER_ZONE);
+		DIV_ROUND_UP(ssfdc->map_len, MAX_PHYS_BLK_PER_ZONE));
 
 	/* Set geometry */
 	ssfdc->heads = 16;
-- 
GitLab


From 16e00b609aed439453d57b954b449f647466e0d7 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 4 Aug 2008 11:25:23 +0100
Subject: [PATCH 0010/2224] [MTD] Remove references to TI 'toto' platform.

This was a reference board for which support never got merged upstream.
Kill it off, at rmk's suggestion.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/Kconfig           |   7 -
 drivers/mtd/maps/Makefile          |   1 -
 drivers/mtd/maps/omap-toto-flash.c | 133 -------------------
 drivers/mtd/nand/Kconfig           |   6 -
 drivers/mtd/nand/Makefile          |   1 -
 drivers/mtd/nand/toto.c            | 206 -----------------------------
 6 files changed, 354 deletions(-)
 delete mode 100644 drivers/mtd/maps/omap-toto-flash.c
 delete mode 100644 drivers/mtd/nand/toto.c

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index db667b16c04..3ae76ecc07d 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -434,13 +434,6 @@ config MTD_CEIVA
 	  PhotoMax Digital Picture Frame.
 	  If you have such a device, say 'Y'.
 
-config MTD_NOR_TOTO
-	tristate "NOR Flash device on TOTO board"
-	depends on ARCH_OMAP && OMAP_TOTO
-	help
-	  This enables access to the NOR flash on the Texas Instruments
-	  TOTO board.
-
 config MTD_H720X
 	tristate "Hynix evaluation board mappings"
 	depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 )
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index b2582506cde..6d9ba35caf1 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -52,7 +52,6 @@ obj-$(CONFIG_MTD_NETtel)	+= nettel.o
 obj-$(CONFIG_MTD_SCB2_FLASH)	+= scb2_flash.o
 obj-$(CONFIG_MTD_H720X)		+= h720x-flash.o
 obj-$(CONFIG_MTD_SBC8240)	+= sbc8240.o
-obj-$(CONFIG_MTD_NOR_TOTO)	+= omap-toto-flash.o
 obj-$(CONFIG_MTD_IXP4XX)	+= ixp4xx.o
 obj-$(CONFIG_MTD_IXP2000)	+= ixp2000.o
 obj-$(CONFIG_MTD_WRSBC8260)	+= wr_sbc82xx_flash.o
diff --git a/drivers/mtd/maps/omap-toto-flash.c b/drivers/mtd/maps/omap-toto-flash.c
deleted file mode 100644
index 0a60ebbc217..00000000000
--- a/drivers/mtd/maps/omap-toto-flash.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * NOR Flash memory access on TI Toto board
- *
- * jzhang@ti.com (C) 2003 Texas Instruments.
- *
- *  (C) 2002 MontVista Software, Inc.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-
-
-#ifndef CONFIG_ARCH_OMAP
-#error This is for OMAP architecture only
-#endif
-
-//these lines need be moved to a hardware header file
-#define OMAP_TOTO_FLASH_BASE 0xd8000000
-#define OMAP_TOTO_FLASH_SIZE 0x80000
-
-static struct map_info omap_toto_map_flash = {
-	.name =		"OMAP Toto flash",
-	.bankwidth =	2,
-	.virt =		(void __iomem *)OMAP_TOTO_FLASH_BASE,
-};
-
-
-static struct mtd_partition toto_flash_partitions[] = {
-	{
-		.name =		"BootLoader",
-		.size =		0x00040000,     /* hopefully u-boot will stay 128k + 128*/
-		.offset =	0,
-		.mask_flags =	MTD_WRITEABLE,  /* force read-only */
-	}, {
-		.name =		"ReservedSpace",
-		.size =		0x00030000,
-		.offset =	MTDPART_OFS_APPEND,
-		//mask_flags:	MTD_WRITEABLE,  /* force read-only */
-	}, {
-		.name =		"EnvArea",      /* bottom 64KiB for env vars */
-		.size =		MTDPART_SIZ_FULL,
-		.offset =	MTDPART_OFS_APPEND,
-	}
-};
-
-static struct mtd_partition *parsed_parts;
-
-static struct mtd_info *flash_mtd;
-
-static int __init init_flash (void)
-{
-
-	struct mtd_partition *parts;
-	int nb_parts = 0;
-	int parsed_nr_parts = 0;
-	const char *part_type;
-
-	/*
-	 * Static partition definition selection
-	 */
-	part_type = "static";
-
- 	parts = toto_flash_partitions;
-	nb_parts = ARRAY_SIZE(toto_flash_partitions);
-	omap_toto_map_flash.size = OMAP_TOTO_FLASH_SIZE;
-	omap_toto_map_flash.phys = virt_to_phys(OMAP_TOTO_FLASH_BASE);
-
-	simple_map_init(&omap_toto_map_flash);
-	/*
-	 * Now let's probe for the actual flash.  Do it here since
-	 * specific machine settings might have been set above.
-	 */
-	printk(KERN_NOTICE "OMAP toto flash: probing %d-bit flash bus\n",
-		omap_toto_map_flash.bankwidth*8);
-	flash_mtd = do_map_probe("jedec_probe", &omap_toto_map_flash);
-	if (!flash_mtd)
-		return -ENXIO;
-
- 	if (parsed_nr_parts > 0) {
-		parts = parsed_parts;
-		nb_parts = parsed_nr_parts;
-	}
-
-	if (nb_parts == 0) {
-		printk(KERN_NOTICE "OMAP toto flash: no partition info available,"
-			"registering whole flash at once\n");
-		if (add_mtd_device(flash_mtd)){
-            return -ENXIO;
-        }
-	} else {
-		printk(KERN_NOTICE "Using %s partition definition\n",
-			part_type);
-		return add_mtd_partitions(flash_mtd, parts, nb_parts);
-	}
-	return 0;
-}
-
-int __init omap_toto_mtd_init(void)
-{
-	int status;
-
- 	if (status = init_flash()) {
-		printk(KERN_ERR "OMAP Toto Flash: unable to init map for toto flash\n");
-	}
-    return status;
-}
-
-static void  __exit omap_toto_mtd_cleanup(void)
-{
-	if (flash_mtd) {
-		del_mtd_partitions(flash_mtd);
-		map_destroy(flash_mtd);
-		kfree(parsed_parts);
-	}
-}
-
-module_init(omap_toto_mtd_init);
-module_exit(omap_toto_mtd_cleanup);
-
-MODULE_AUTHOR("Jian Zhang");
-MODULE_DESCRIPTION("OMAP Toto board map driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 02f9cc30d77..572c842e9f4 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -68,12 +68,6 @@ config MTD_NAND_AMS_DELTA
 	help
 	  Support for NAND flash on Amstrad E3 (Delta).
 
-config MTD_NAND_TOTO
-	tristate "NAND Flash device on TOTO board"
-	depends on ARCH_OMAP && BROKEN
-	help
-	  Support for NAND flash on Texas Instruments Toto platform.
-
 config MTD_NAND_TS7250
 	tristate "NAND Flash device on TS-7250 board"
 	depends on MACH_TS72XX
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index d772581de57..b55e4c69fea 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_MTD_NAND_IDS)		+= nand_ids.o
 obj-$(CONFIG_MTD_NAND_CAFE)		+= cafe_nand.o
 obj-$(CONFIG_MTD_NAND_SPIA)		+= spia.o
 obj-$(CONFIG_MTD_NAND_AMS_DELTA)	+= ams-delta.o
-obj-$(CONFIG_MTD_NAND_TOTO)		+= toto.o
 obj-$(CONFIG_MTD_NAND_AUTCPU12)		+= autcpu12.o
 obj-$(CONFIG_MTD_NAND_EDB7312)		+= edb7312.o
 obj-$(CONFIG_MTD_NAND_AU1550)		+= au1550nd.o
diff --git a/drivers/mtd/nand/toto.c b/drivers/mtd/nand/toto.c
deleted file mode 100644
index bbf492e6830..00000000000
--- a/drivers/mtd/nand/toto.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- *  drivers/mtd/nand/toto.c
- *
- *  Copyright (c) 2003 Texas Instruments
- *
- *  Derived from drivers/mtd/autcpu12.c
- *
- *  Copyright (c) 2002 Thomas Gleixner <tgxl@linutronix.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- *  Overview:
- *   This is a device driver for the NAND flash device found on the
- *   TI fido board. It supports 32MiB and 64MiB cards
- */
-
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/sizes.h>
-#include <asm/arch/toto.h>
-#include <asm/arch-omap1510/hardware.h>
-#include <asm/arch/gpio.h>
-
-#define CONFIG_NAND_WORKAROUND 1
-
-/*
- * MTD structure for TOTO board
- */
-static struct mtd_info *toto_mtd = NULL;
-
-static unsigned long toto_io_base = OMAP_FLASH_1_BASE;
-
-/*
- * Define partitions for flash devices
- */
-
-static struct mtd_partition partition_info64M[] = {
-	{ .name =	"toto kernel partition 1",
-	  .offset =	0,
-	  .size	=	2 * SZ_1M },
-	{ .name =	"toto file sys partition 2",
-	  .offset =	2 * SZ_1M,
-	  .size =	14 * SZ_1M },
-	{ .name =	"toto user partition 3",
-	  .offset =	16 * SZ_1M,
-	  .size =	16 * SZ_1M },
-	{ .name =	"toto devboard extra partition 4",
-	  .offset =	32 * SZ_1M,
-	  .size =	32 * SZ_1M },
-};
-
-static struct mtd_partition partition_info32M[] = {
-	{ .name =	"toto kernel partition 1",
-	  .offset =	0,
-	  .size =	2 * SZ_1M },
-	{ .name =	"toto file sys partition 2",
-	  .offset =	2 * SZ_1M,
-	  .size =	14 * SZ_1M },
-	{ .name =	"toto user partition 3",
-	  .offset =	16 * SZ_1M,
-	  .size =	16 * SZ_1M },
-};
-
-#define NUM_PARTITIONS32M 3
-#define NUM_PARTITIONS64M 4
-
-/*
- *	hardware specific access to control-lines
- *
- *	ctrl:
- *	NAND_NCE: bit 0 -> bit 14 (0x4000)
- *	NAND_CLE: bit 1 -> bit 12 (0x1000)
- *	NAND_ALE: bit 2 -> bit 1  (0x0002)
- */
-static void toto_hwcontrol(struct mtd_info *mtd, int cmd,
-			   unsigned int ctrl)
-{
-	struct nand_chip *chip = mtd->priv;
-
-	if (ctrl & NAND_CTRL_CHANGE) {
-		unsigned long bits;
-
-		/* hopefully enough time for tc make proceding write to clear */
-		udelay(1);
-
-		bits = (~ctrl & NAND_NCE) << 14;
-		bits |= (ctrl & NAND_CLE) << 12;
-		bits |= (ctrl & NAND_ALE) >> 1;
-
-#warning Wild guess as gpiosetout() is nowhere defined in the kernel source - tglx
-		gpiosetout(0x5002, bits);
-
-#ifdef CONFIG_NAND_WORKAROUND
-		/* "some" dev boards busted, blue wired to rts2 :( */
-		rts2setout(2, (ctrl & NAND_CLE) << 1);
-#endif
-		/* allow time to ensure gpio state to over take memory write */
-		udelay(1);
-	}
-
-	if (cmd != NAND_CMD_NONE)
-		writeb(cmd, chip->IO_ADDR_W);
-}
-
-/*
- * Main initialization routine
- */
-static int __init toto_init(void)
-{
-	struct nand_chip *this;
-	int err = 0;
-
-	/* Allocate memory for MTD device structure and private data */
-	toto_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
-	if (!toto_mtd) {
-		printk(KERN_WARNING "Unable to allocate toto NAND MTD device structure.\n");
-		err = -ENOMEM;
-		goto out;
-	}
-
-	/* Get pointer to private data */
-	this = (struct nand_chip *)(&toto_mtd[1]);
-
-	/* Initialize structures */
-	memset(toto_mtd, 0, sizeof(struct mtd_info));
-	memset(this, 0, sizeof(struct nand_chip));
-
-	/* Link the private data with the MTD structure */
-	toto_mtd->priv = this;
-	toto_mtd->owner = THIS_MODULE;
-
-	/* Set address of NAND IO lines */
-	this->IO_ADDR_R = toto_io_base;
-	this->IO_ADDR_W = toto_io_base;
-	this->cmd_ctrl = toto_hwcontrol;
-	this->dev_ready = NULL;
-	/* 25 us command delay time */
-	this->chip_delay = 30;
-	this->ecc.mode = NAND_ECC_SOFT;
-
-	/* Scan to find existance of the device */
-	if (nand_scan(toto_mtd, 1)) {
-		err = -ENXIO;
-		goto out_mtd;
-	}
-
-	/* Register the partitions */
-	switch (toto_mtd->size) {
-	case SZ_64M:
-		add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M);
-		break;
-	case SZ_32M:
-		add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M);
-		break;
-	default:{
-			printk(KERN_WARNING "Unsupported Nand device\n");
-			err = -ENXIO;
-			goto out_buf;
-		}
-	}
-
-	gpioreserve(NAND_MASK);	/* claim our gpios */
-	archflashwp(0, 0);	/* open up flash for writing */
-
-	goto out;
-
- out_mtd:
-	kfree(toto_mtd);
- out:
-	return err;
-}
-
-module_init(toto_init);
-
-/*
- * Clean up routine
- */
-static void __exit toto_cleanup(void)
-{
-	/* Release resources, unregister device */
-	nand_release(toto_mtd);
-
-	/* Free the MTD device structure */
-	kfree(toto_mtd);
-
-	/* stop flash writes */
-	archflashwp(0, 1);
-
-	/* release gpios to system */
-	gpiorelease(NAND_MASK);
-}
-
-module_exit(toto_cleanup);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Richard Woodruff <r-woodruff2@ti.com>");
-MODULE_DESCRIPTION("Glue layer for NAND flash on toto board");
-- 
GitLab


From a0e7229edbfef9495e73bc8baea2131a7e69e365 Mon Sep 17 00:00:00 2001
From: "George G. Davis" <gdavis@mvista.com>
Date: Mon, 4 Aug 2008 19:43:25 -0400
Subject: [PATCH 0011/2224] [MTD] [NOR] Add "Spansion" to MTD_CFI_AMDSTD
 kconfig menu description

This long overdue trivial change to the MTD_CFI_AMDSTD kconfig menu
description is intended to help clarify that this option also supports
Spansion flash devices.

Signed-off-by: George G. Davis <gdavis@mvista.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index 4c35e5d77f9..9401bfec462 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -188,7 +188,7 @@ config MTD_CFI_INTELEXT
 	  StrataFlash and other parts.
 
 config MTD_CFI_AMDSTD
-	tristate "Support for AMD/Fujitsu flash chips"
+	tristate "Support for AMD/Fujitsu/Spansion flash chips"
 	depends on MTD_GEN_PROBE
 	select MTD_CFI_UTIL
 	help
-- 
GitLab


From 2e489e077a6ad118c4f247faedf330117b107cce Mon Sep 17 00:00:00 2001
From: Alexey Korolev <akorolev@infradead.org>
Date: Tue, 5 Aug 2008 16:39:42 +0100
Subject: [PATCH 0012/2224] [MTD] [NOR] Add qry_mode_on()/qry_omde_off() to
 deal with odd chips

There are some CFI chips which require non standard procedures to get
into QRY mode. The possible way to support them would be trying
different modes till QRY will be read. This patch introduce two new
functions qry_mode_on qry_mode_off. qry_mode_on tries different commands
in order switch chip into QRY mode.

So if we have one more "odd" chip - we just could add several lines to
qry_mode_on. Also using these functions remove unnecessary code
duplicaton in porbe procedure.

Currently there are two "odd" cases
1. Some old intel chips which require 0xFF before 0x98
2. ST M29DW chip which requires 0x98 to be sent at 0x555 (according to
CFI should be 0x55)

This patch is partialy based on the patch from Uwe
(see "[PATCH 2/4] [RFC][MTD] cfi_probe: remove Intel chip workaround"
thread )

Signed-off-by: Alexey Korolev <akorolev@infradead.org>
Signed-off-by: Alexander Belyakov <abelyako@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_probe.c | 52 ++++-------------------------
 drivers/mtd/chips/cfi_util.c  | 62 ++++++++++++++++++++++++++++++++---
 include/linux/mtd/cfi.h       |  9 ++++-
 3 files changed, 73 insertions(+), 50 deletions(-)

diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index c418e92e1d9..e706be2ad0c 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -44,17 +44,14 @@ do { \
 
 #define xip_enable(base, map, cfi) \
 do { \
-	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); \
-	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); \
+	qry_mode_off(base, map, cfi); \
 	xip_allowed(base, map); \
 } while (0)
 
 #define xip_disable_qry(base, map, cfi) \
 do { \
 	xip_disable(); \
-	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); \
-	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); \
-	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL); \
+	qry_mode_on(base, map, cfi); \
 } while (0)
 
 #else
@@ -70,32 +67,6 @@ do { \
    in: interleave,type,mode
    ret: table index, <0 for error
  */
-static int __xipram qry_present(struct map_info *map, __u32 base,
-				struct cfi_private *cfi)
-{
-	int osf = cfi->interleave * cfi->device_type;	// scale factor
-	map_word val[3];
-	map_word qry[3];
-
-	qry[0] = cfi_build_cmd('Q', map, cfi);
-	qry[1] = cfi_build_cmd('R', map, cfi);
-	qry[2] = cfi_build_cmd('Y', map, cfi);
-
-	val[0] = map_read(map, base + osf*0x10);
-	val[1] = map_read(map, base + osf*0x11);
-	val[2] = map_read(map, base + osf*0x12);
-
-	if (!map_word_equal(map, qry[0], val[0]))
-		return 0;
-
-	if (!map_word_equal(map, qry[1], val[1]))
-		return 0;
-
-	if (!map_word_equal(map, qry[2], val[2]))
-		return 0;
-
-	return 1; 	// "QRY" found
-}
 
 static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 				   unsigned long *chip_map, struct cfi_private *cfi)
@@ -116,11 +87,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 	}
 
 	xip_disable();
-	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
-
-	if (!qry_present(map,base,cfi)) {
+	if (!qry_mode_on(base, map, cfi)) {
 		xip_enable(base, map, cfi);
 		return 0;
 	}
@@ -144,8 +111,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 		if (qry_present(map, start, cfi)) {
 			/* Eep. This chip also had the QRY marker.
 			 * Is it an alias for the new one? */
-			cfi_send_gen_cmd(0xF0, 0, start, map, cfi, cfi->device_type, NULL);
-			cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL);
+			qry_mode_off(start, map, cfi);
 
 			/* If the QRY marker goes away, it's an alias */
 			if (!qry_present(map, start, cfi)) {
@@ -158,8 +124,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 			 * unfortunate. Stick the new chip in read mode
 			 * too and if it's the same, assume it's an alias. */
 			/* FIXME: Use other modes to do a proper check */
-			cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
-			cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL);
+			qry_mode_off(base, map, cfi);
 
 			if (qry_present(map, base, cfi)) {
 				xip_allowed(base, map);
@@ -176,8 +141,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 	cfi->numchips++;
 
 	/* Put it back into Read Mode */
-	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+	qry_mode_off(base, map, cfi);
 	xip_allowed(base, map);
 
 	printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
@@ -237,9 +201,7 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 			  cfi_read_query(map, base + 0xf * ofs_factor);
 
 	/* Put it back into Read Mode */
-	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
-	/* ... even if it's an Intel chip */
-	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+	qry_mode_off(base, map, cfi);
 	xip_allowed(base, map);
 
 	/* Do any necessary byteswapping */
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 0ee45701801..8d755367052 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -24,6 +24,62 @@
 #include <linux/mtd/cfi.h>
 #include <linux/mtd/compatmac.h>
 
+int __xipram qry_present(struct map_info *map, __u32 base,
+				struct cfi_private *cfi)
+{
+	int osf = cfi->interleave * cfi->device_type;	/* scale factor */
+	map_word val[3];
+	map_word qry[3];
+
+	qry[0] = cfi_build_cmd('Q', map, cfi);
+	qry[1] = cfi_build_cmd('R', map, cfi);
+	qry[2] = cfi_build_cmd('Y', map, cfi);
+
+	val[0] = map_read(map, base + osf*0x10);
+	val[1] = map_read(map, base + osf*0x11);
+	val[2] = map_read(map, base + osf*0x12);
+
+	if (!map_word_equal(map, qry[0], val[0]))
+		return 0;
+
+	if (!map_word_equal(map, qry[1], val[1]))
+		return 0;
+
+	if (!map_word_equal(map, qry[2], val[2]))
+		return 0;
+
+	return 1; 	/* "QRY" found */
+}
+
+int __xipram qry_mode_on(uint32_t base, struct map_info *map,
+				struct cfi_private *cfi)
+{
+	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
+	if (qry_present(map, base, cfi))
+		return 1;
+	/* QRY not found probably we deal with some odd CFI chips */
+	/* Some revisions of some old Intel chips? */
+	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
+	if (qry_present(map, base, cfi))
+		return 1;
+	/* ST M29DW chips */
+	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL);
+	if (qry_present(map, base, cfi))
+		return 1;
+	/* QRY not found */
+	return 0;
+}
+void __xipram qry_mode_off(uint32_t base, struct map_info *map,
+				struct cfi_private *cfi)
+{
+	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
+}
+
 struct cfi_extquery *
 __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* name)
 {
@@ -48,8 +104,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
 #endif
 
 	/* Switch it into Query Mode */
-	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
-
+	qry_mode_on(base, map, cfi);
 	/* Read in the Extended Query Table */
 	for (i=0; i<size; i++) {
 		((unsigned char *)extp)[i] =
@@ -57,8 +112,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
 	}
 
 	/* Make sure it returns to read mode */
-	cfi_send_gen_cmd(0xf0, 0, base, map, cfi, cfi->device_type, NULL);
-	cfi_send_gen_cmd(0xff, 0, base, map, cfi, cfi->device_type, NULL);
+	qry_mode_off(base, map, cfi);
 
 #ifdef CONFIG_MTD_XIP
 	(void) map_read(map, base);
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index d6fb115f5a0..3058917d7b9 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -12,6 +12,7 @@
 #include <linux/mtd/flashchip.h>
 #include <linux/mtd/map.h>
 #include <linux/mtd/cfi_endian.h>
+#include <linux/mtd/xip.h>
 
 #ifdef CONFIG_MTD_CFI_I1
 #define cfi_interleave(cfi) 1
@@ -430,7 +431,6 @@ static inline uint32_t cfi_send_gen_cmd(u_char cmd, uint32_t cmd_addr, uint32_t
 {
 	map_word val;
 	uint32_t addr = base + cfi_build_cmd_addr(cmd_addr, cfi_interleave(cfi), type);
-
 	val = cfi_build_cmd(cmd, map, cfi);
 
 	if (prev_val)
@@ -483,6 +483,13 @@ static inline void cfi_udelay(int us)
 	}
 }
 
+int __xipram qry_present(struct map_info *map, __u32 base,
+				struct cfi_private *cfi);
+int __xipram qry_mode_on(uint32_t base, struct map_info *map,
+				struct cfi_private *cfi);
+void __xipram qry_mode_off(uint32_t base, struct map_info *map,
+				struct cfi_private *cfi);
+
 struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t size,
 			     const char* name);
 struct cfi_fixup {
-- 
GitLab


From e93cafe45fd74935e0aca2b79e533f0e3ed9640f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anders=20Grafstr=C3=B6m?= <grfstrm@users.sourceforge.net>
Date: Tue, 5 Aug 2008 18:37:41 +0200
Subject: [PATCH 0013/2224] [MTD] [NOR] cfi_cmdset_0001: Timeouts for erase,
 write and unlock operations
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Timeouts are currently given by the typical operation time times 8.
It works in the general well-behaved case but not when an erase block is
failing. For erase operations, it seems that a failing erase block will
keep the device state machine in erasing state until the vendor
specified maximum timeout period has passed. By this time the driver
would have long since timed out, left erasing state and attempted
further operations which all fail. This patch implements timeouts using
values from the CFI Query structure when available.
The patch also sets a longer timeout for locking operations. The current
value used for locking/unlocking given by 1000000/HZ microseconds is too
short for devices like J3 and J5 Strataflash which have a typical clear
lock-bits time of 0.5 seconds.

Signed-off-by: Anders Grafström <grfstrm@users.sourceforge.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0001.c | 52 +++++++++++++++++++++--------
 include/linux/mtd/flashchip.h       |  4 +++
 2 files changed, 42 insertions(+), 14 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index d49cbe2738a..5157e3cb4b9 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -478,6 +478,28 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
 		else
 			cfi->chips[i].erase_time = 2000000;
 
+		if (cfi->cfiq->WordWriteTimeoutTyp &&
+		    cfi->cfiq->WordWriteTimeoutMax)
+			cfi->chips[i].word_write_time_max =
+				1<<(cfi->cfiq->WordWriteTimeoutTyp +
+				    cfi->cfiq->WordWriteTimeoutMax);
+		else
+			cfi->chips[i].word_write_time_max = 50000 * 8;
+
+		if (cfi->cfiq->BufWriteTimeoutTyp &&
+		    cfi->cfiq->BufWriteTimeoutMax)
+			cfi->chips[i].buffer_write_time_max =
+				1<<(cfi->cfiq->BufWriteTimeoutTyp +
+				    cfi->cfiq->BufWriteTimeoutMax);
+
+		if (cfi->cfiq->BlockEraseTimeoutTyp &&
+		    cfi->cfiq->BlockEraseTimeoutMax)
+			cfi->chips[i].erase_time_max =
+				1000<<(cfi->cfiq->BlockEraseTimeoutTyp +
+				       cfi->cfiq->BlockEraseTimeoutMax);
+		else
+			cfi->chips[i].erase_time_max = 2000000 * 8;
+
 		cfi->chips[i].ref_point_counter = 0;
 		init_waitqueue_head(&(cfi->chips[i].wq));
 	}
@@ -1012,7 +1034,7 @@ static void __xipram xip_enable(struct map_info *map, struct flchip *chip,
 
 static int __xipram xip_wait_for_operation(
 		struct map_info *map, struct flchip *chip,
-		unsigned long adr, unsigned int chip_op_time )
+		unsigned long adr, unsigned int chip_op_time_max)
 {
 	struct cfi_private *cfi = map->fldrv_priv;
 	struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
@@ -1021,7 +1043,7 @@ static int __xipram xip_wait_for_operation(
 	flstate_t oldstate, newstate;
 
        	start = xip_currtime();
-	usec = chip_op_time * 8;
+	usec = chip_op_time_max;
 	if (usec == 0)
 		usec = 500000;
 	done = 0;
@@ -1131,8 +1153,8 @@ static int __xipram xip_wait_for_operation(
 #define XIP_INVAL_CACHED_RANGE(map, from, size)  \
 	INVALIDATE_CACHED_RANGE(map, from, size)
 
-#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec) \
-	xip_wait_for_operation(map, chip, cmd_adr, usec)
+#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec, usec_max) \
+	xip_wait_for_operation(map, chip, cmd_adr, usec_max)
 
 #else
 
@@ -1144,7 +1166,7 @@ static int __xipram xip_wait_for_operation(
 static int inval_cache_and_wait_for_operation(
 		struct map_info *map, struct flchip *chip,
 		unsigned long cmd_adr, unsigned long inval_adr, int inval_len,
-		unsigned int chip_op_time)
+		unsigned int chip_op_time, unsigned int chip_op_time_max)
 {
 	struct cfi_private *cfi = map->fldrv_priv;
 	map_word status, status_OK = CMD(0x80);
@@ -1156,8 +1178,7 @@ static int inval_cache_and_wait_for_operation(
 		INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
 	spin_lock(chip->mutex);
 
-	/* set our timeout to 8 times the expected delay */
-	timeo = chip_op_time * 8;
+	timeo = chip_op_time_max;
 	if (!timeo)
 		timeo = 500000;
 	reset_timeo = timeo;
@@ -1217,8 +1238,8 @@ static int inval_cache_and_wait_for_operation(
 
 #endif
 
-#define WAIT_TIMEOUT(map, chip, adr, udelay) \
-	INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay);
+#define WAIT_TIMEOUT(map, chip, adr, udelay, udelay_max) \
+	INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay, udelay_max);
 
 
 static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t adr, size_t len)
@@ -1452,7 +1473,8 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
 
 	ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
 				   adr, map_bankwidth(map),
-				   chip->word_write_time);
+				   chip->word_write_time,
+				   chip->word_write_time_max);
 	if (ret) {
 		xip_enable(map, chip, adr);
 		printk(KERN_ERR "%s: word write error (status timeout)\n", map->name);
@@ -1623,7 +1645,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
 
 	chip->state = FL_WRITING_TO_BUFFER;
 	map_write(map, write_cmd, cmd_adr);
-	ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0);
+	ret = WAIT_TIMEOUT(map, chip, cmd_adr, 0, 0);
 	if (ret) {
 		/* Argh. Not ready for write to buffer */
 		map_word Xstatus = map_read(map, cmd_adr);
@@ -1692,7 +1714,8 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
 
 	ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr,
 				   initial_adr, initial_len,
-				   chip->buffer_write_time);
+				   chip->buffer_write_time,
+				   chip->buffer_write_time_max);
 	if (ret) {
 		map_write(map, CMD(0x70), cmd_adr);
 		chip->state = FL_STATUS;
@@ -1827,7 +1850,8 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
 
 	ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
 				   adr, len,
-				   chip->erase_time);
+				   chip->erase_time,
+				   chip->erase_time_max);
 	if (ret) {
 		map_write(map, CMD(0x70), adr);
 		chip->state = FL_STATUS;
@@ -2006,7 +2030,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
 	 */
 	udelay = (!extp || !(extp->FeatureSupport & (1 << 5))) ? 1000000/HZ : 0;
 
-	ret = WAIT_TIMEOUT(map, chip, adr, udelay);
+	ret = WAIT_TIMEOUT(map, chip, adr, udelay, udelay * 100);
 	if (ret) {
 		map_write(map, CMD(0x70), adr);
 		chip->state = FL_STATUS;
diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h
index 08dd131301c..d4f38c5fd44 100644
--- a/include/linux/mtd/flashchip.h
+++ b/include/linux/mtd/flashchip.h
@@ -73,6 +73,10 @@ struct flchip {
 	int buffer_write_time;
 	int erase_time;
 
+	int word_write_time_max;
+	int buffer_write_time_max;
+	int erase_time_max;
+
 	void *priv;
 };
 
-- 
GitLab


From cf93ae02600e2c752bf2570085e7970a1c0f2b94 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Wed, 6 Aug 2008 13:12:04 -0700
Subject: [PATCH 0014/2224] [MTD] Compile fix for dataflash OTP support

> > linux-next-20080805/drivers/mtd/devices/mtd_dataflash.c: In function 'add_dataflash_otp':
> > linux-next-20080805/drivers/mtd/devices/mtd_dataflash.c:670: error: too many arguments to function 'otp_setup'

Whoops, sorry ... I see what was going on.  My bad.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/mtd_dataflash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 17c9b20dca8..90161277902 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -618,7 +618,7 @@ static char *otp_setup(struct mtd_info *device, char revision)
 
 #else
 
-static char *otp_setup(struct mtd_info *device)
+static char *otp_setup(struct mtd_info *device, char revision)
 {
 	return " (OTP)";
 }
-- 
GitLab


From 8c64038e4c077b2b37c6b27d0c40c77a3ddfaeef Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Wed, 6 Aug 2008 21:55:14 -0700
Subject: [PATCH 0015/2224] [MTD] make dataflash write-verify be optional

This adds a WRITE_VERIFY Kconfig option to the DataFlash driver,
closely mirroring the similar NAND and ONENAND options, giving
an option to disable some code that's currently always enabled.

Removing this step probably saves a millisecond or so per page
when writing data, which will add up quickly since these pages
are small (the largest is 1 KiB).  It doesn't seem to add a
lot in terms of reliability, and wouldn't detect errors which
crop up when transferring data to the on-chip SRAM buffer.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/Kconfig         | 10 ++++++++++
 drivers/mtd/devices/mtd_dataflash.c |  8 +++-----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 88f4df04746..6fde0a2e356 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -59,6 +59,16 @@ config MTD_DATAFLASH
 	  Sometimes DataFlash chips are packaged inside MMC-format
 	  cards; at this writing, the MMC stack won't handle those.
 
+config MTD_DATAFLASH_WRITE_VERIFY
+	bool "Verify DataFlash page writes"
+	depends on MTD_DATAFLASH
+	help
+	  This adds an extra check when data is written to the flash.
+	  It may help if you are verifying chip setup (timings etc) on
+	  your board.  There is a rare possibility that even though the
+	  device thinks the write was successful, a bit could have been
+	  flipped accidentally due to device wear or something else.
+
 config MTD_DATAFLASH_OTP
 	bool "DataFlash OTP support (Security Register)"
 	depends on MTD_DATAFLASH
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 90161277902..6dd9aff8bb2 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -30,12 +30,10 @@
  * doesn't (yet) use these for any kind of i/o overlap or prefetching.
  *
  * Sometimes DataFlash is packaged in MMC-format cards, although the
- * MMC stack can't use SPI (yet), or distinguish between MMC and DataFlash
+ * MMC stack can't (yet?) distinguish between MMC and DataFlash
  * protocols during enumeration.
  */
 
-#define CONFIG_DATAFLASH_WRITE_VERIFY
-
 /* reads can bypass the buffers */
 #define OP_READ_CONTINUOUS	0xE8
 #define OP_READ_PAGE		0xD2
@@ -403,7 +401,7 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
 		(void) dataflash_waitready(priv->spi);
 
 
-#ifdef	CONFIG_DATAFLASH_WRITE_VERIFY
+#ifdef CONFIG_MTD_DATAFLASH_VERIFY_WRITE
 
 		/* (3) Compare to Buffer1 */
 		addr = pageaddr << priv->page_offset;
@@ -432,7 +430,7 @@ static int dataflash_write(struct mtd_info *mtd, loff_t to, size_t len,
 		} else
 			status = 0;
 
-#endif	/* CONFIG_DATAFLASH_WRITE_VERIFY */
+#endif	/* CONFIG_MTD_DATAFLASH_VERIFY_WRITE */
 
 		remaining = remaining - writelen;
 		pageaddr++;
-- 
GitLab


From c314dfdc358847eef0fc07ec8682e1acc8cadd00 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 7 Aug 2008 11:55:07 +0100
Subject: [PATCH 0016/2224] [MTD] [NOR] Rename and export new cfi_qry_*()
 functions

They need to be exported, so let's give them less generic-sounding names
while we're at it.

Original export patch, along with the suggestion about the nomenclature,
from Stephen Rothwell.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_probe.c | 20 ++++++++++----------
 drivers/mtd/chips/cfi_util.c  | 26 +++++++++++++++-----------
 include/linux/mtd/cfi.h       | 12 ++++++------
 3 files changed, 31 insertions(+), 27 deletions(-)

diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index e706be2ad0c..e63e6749429 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -44,14 +44,14 @@ do { \
 
 #define xip_enable(base, map, cfi) \
 do { \
-	qry_mode_off(base, map, cfi); \
+	cfi_qry_mode_off(base, map, cfi);		\
 	xip_allowed(base, map); \
 } while (0)
 
 #define xip_disable_qry(base, map, cfi) \
 do { \
 	xip_disable(); \
-	qry_mode_on(base, map, cfi); \
+	cfi_qry_mode_on(base, map, cfi); \
 } while (0)
 
 #else
@@ -87,7 +87,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 	}
 
 	xip_disable();
-	if (!qry_mode_on(base, map, cfi)) {
+	if (!cfi_qry_mode_on(base, map, cfi)) {
 		xip_enable(base, map, cfi);
 		return 0;
 	}
@@ -108,13 +108,13 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
  		start = i << cfi->chipshift;
 		/* This chip should be in read mode if it's one
 		   we've already touched. */
-		if (qry_present(map, start, cfi)) {
+		if (cfi_qry_present(map, start, cfi)) {
 			/* Eep. This chip also had the QRY marker.
 			 * Is it an alias for the new one? */
-			qry_mode_off(start, map, cfi);
+			cfi_qry_mode_off(start, map, cfi);
 
 			/* If the QRY marker goes away, it's an alias */
-			if (!qry_present(map, start, cfi)) {
+			if (!cfi_qry_present(map, start, cfi)) {
 				xip_allowed(base, map);
 				printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
 				       map->name, base, start);
@@ -124,9 +124,9 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 			 * unfortunate. Stick the new chip in read mode
 			 * too and if it's the same, assume it's an alias. */
 			/* FIXME: Use other modes to do a proper check */
-			qry_mode_off(base, map, cfi);
+			cfi_qry_mode_off(base, map, cfi);
 
-			if (qry_present(map, base, cfi)) {
+			if (cfi_qry_present(map, base, cfi)) {
 				xip_allowed(base, map);
 				printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
 				       map->name, base, start);
@@ -141,7 +141,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
 	cfi->numchips++;
 
 	/* Put it back into Read Mode */
-	qry_mode_off(base, map, cfi);
+	cfi_qry_mode_off(base, map, cfi);
 	xip_allowed(base, map);
 
 	printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
@@ -201,7 +201,7 @@ static int __xipram cfi_chip_setup(struct map_info *map,
 			  cfi_read_query(map, base + 0xf * ofs_factor);
 
 	/* Put it back into Read Mode */
-	qry_mode_off(base, map, cfi);
+	cfi_qry_mode_off(base, map, cfi);
 	xip_allowed(base, map);
 
 	/* Do any necessary byteswapping */
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 8d755367052..34d40e25d31 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -24,8 +24,8 @@
 #include <linux/mtd/cfi.h>
 #include <linux/mtd/compatmac.h>
 
-int __xipram qry_present(struct map_info *map, __u32 base,
-				struct cfi_private *cfi)
+int __xipram cfi_qry_present(struct map_info *map, __u32 base,
+			     struct cfi_private *cfi)
 {
 	int osf = cfi->interleave * cfi->device_type;	/* scale factor */
 	map_word val[3];
@@ -50,35 +50,39 @@ int __xipram qry_present(struct map_info *map, __u32 base,
 
 	return 1; 	/* "QRY" found */
 }
+EXPORT_SYMBOL_GPL(cfi_qry_present);
 
-int __xipram qry_mode_on(uint32_t base, struct map_info *map,
-				struct cfi_private *cfi)
+int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map,
+			     struct cfi_private *cfi)
 {
 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
 	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
-	if (qry_present(map, base, cfi))
+	if (cfi_qry_present(map, base, cfi))
 		return 1;
 	/* QRY not found probably we deal with some odd CFI chips */
 	/* Some revisions of some old Intel chips? */
 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
 	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
 	cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
-	if (qry_present(map, base, cfi))
+	if (cfi_qry_present(map, base, cfi))
 		return 1;
 	/* ST M29DW chips */
 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
 	cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL);
-	if (qry_present(map, base, cfi))
+	if (cfi_qry_present(map, base, cfi))
 		return 1;
 	/* QRY not found */
 	return 0;
 }
-void __xipram qry_mode_off(uint32_t base, struct map_info *map,
-				struct cfi_private *cfi)
+EXPORT_SYMBOL_GPL(cfi_qry_mode_on);
+
+void __xipram cfi_qry_mode_off(uint32_t base, struct map_info *map,
+			       struct cfi_private *cfi)
 {
 	cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
 	cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
 }
+EXPORT_SYMBOL_GPL(cfi_qry_mode_off);
 
 struct cfi_extquery *
 __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* name)
@@ -104,7 +108,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
 #endif
 
 	/* Switch it into Query Mode */
-	qry_mode_on(base, map, cfi);
+	cfi_qry_mode_on(base, map, cfi);
 	/* Read in the Extended Query Table */
 	for (i=0; i<size; i++) {
 		((unsigned char *)extp)[i] =
@@ -112,7 +116,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
 	}
 
 	/* Make sure it returns to read mode */
-	qry_mode_off(base, map, cfi);
+	cfi_qry_mode_off(base, map, cfi);
 
 #ifdef CONFIG_MTD_XIP
 	(void) map_read(map, base);
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index 3058917d7b9..ee5124ec319 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -483,12 +483,12 @@ static inline void cfi_udelay(int us)
 	}
 }
 
-int __xipram qry_present(struct map_info *map, __u32 base,
-				struct cfi_private *cfi);
-int __xipram qry_mode_on(uint32_t base, struct map_info *map,
-				struct cfi_private *cfi);
-void __xipram qry_mode_off(uint32_t base, struct map_info *map,
-				struct cfi_private *cfi);
+int __xipram cfi_qry_present(struct map_info *map, __u32 base,
+			     struct cfi_private *cfi);
+int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map,
+			     struct cfi_private *cfi);
+void __xipram cfi_qry_mode_off(uint32_t base, struct map_info *map,
+			       struct cfi_private *cfi);
 
 struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t size,
 			     const char* name);
-- 
GitLab


From d483492cb5401283b3c6e46b829fec0b42297e68 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sun, 10 Aug 2008 18:46:50 +0800
Subject: [PATCH 0017/2224] [MTD] [NAND] drivers/mtd/nand/nandsim.c: remove
 duplicated #include

Removed duplicated include <asm/div64.h> in
drivers/mtd/nand/nandsim.c.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nandsim.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 556e8131ecd..ae7c57781a6 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -38,7 +38,6 @@
 #include <linux/delay.h>
 #include <linux/list.h>
 #include <linux/random.h>
-#include <asm/div64.h>
 
 /* Default simulator parameters values */
 #if !defined(CONFIG_NANDSIM_FIRST_ID_BYTE)  || \
-- 
GitLab


From faff37508a104e9ec5285d5adecaab7e8dde472a Mon Sep 17 00:00:00 2001
From: Chen Gong <g.chen@freescale.com>
Date: Mon, 11 Aug 2008 16:59:13 +0800
Subject: [PATCH 0018/2224] [MTD] m25p80.c erase enhance

This patch adds an erase_block command to enhance erase operation

Signed-off-by: Chen Gong <g.chen@freescale.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/m25p80.c | 48 ++++++++++++++++++++++++++++++------
 1 file changed, 40 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index b35c3333e21..8fbd1b57f60 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -39,6 +39,7 @@
 #define	OPCODE_PP		0x02	/* Page program (up to 256 bytes) */
 #define	OPCODE_BE_4K 		0x20	/* Erase 4KiB block */
 #define	OPCODE_BE_32K		0x52	/* Erase 32KiB block */
+#define	OPCODE_BE		0xc7	/* Erase whole flash block */
 #define	OPCODE_SE		0xd8	/* Sector erase (usually 64KiB) */
 #define	OPCODE_RDID		0x9f	/* Read JEDEC ID */
 
@@ -161,6 +162,31 @@ static int wait_till_ready(struct m25p *flash)
 	return 1;
 }
 
+/*
+ * Erase the whole flash memory
+ *
+ * Returns 0 if successful, non-zero otherwise.
+ */
+static int erase_block(struct m25p *flash)
+{
+	DEBUG(MTD_DEBUG_LEVEL3, "%s: %s %dKiB\n",
+			flash->spi->dev.bus_id, __func__,
+			flash->mtd.size / 1024);
+
+	/* Wait until finished previous write command. */
+	if (wait_till_ready(flash))
+		return 1;
+
+	/* Send write enable, then erase commands. */
+	write_enable(flash);
+
+	/* Set up command buffer. */
+	flash->command[0] = OPCODE_BE;
+
+	spi_write(flash->spi, flash->command, 1);
+
+	return 0;
+}
 
 /*
  * Erase one sector of flash memory at offset ``offset'' which is any
@@ -229,15 +255,21 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr)
 	 */
 
 	/* now erase those sectors */
-	while (len) {
-		if (erase_sector(flash, addr)) {
-			instr->state = MTD_ERASE_FAILED;
-			mutex_unlock(&flash->lock);
-			return -EIO;
-		}
+	if (len == flash->mtd.size && erase_block(flash)) {
+		instr->state = MTD_ERASE_FAILED;
+		mutex_unlock(&flash->lock);
+		return -EIO;
+	} else {
+		while (len) {
+			if (erase_sector(flash, addr)) {
+				instr->state = MTD_ERASE_FAILED;
+				mutex_unlock(&flash->lock);
+				return -EIO;
+			}
 
-		addr += mtd->erasesize;
-		len -= mtd->erasesize;
+			addr += mtd->erasesize;
+			len -= mtd->erasesize;
+		}
 	}
 
 	mutex_unlock(&flash->lock);
-- 
GitLab


From 75d0ee2202b5740e94e913d8a52f91c6557c4c81 Mon Sep 17 00:00:00 2001
From: Chen Gong <g.chen@freescale.com>
Date: Mon, 11 Aug 2008 16:59:14 +0800
Subject: [PATCH 0019/2224] [MTD] m25p80.c code cleanup

code cleanup for m25p80.c

Signed-off-by: Chen Gong <g.chen@freescale.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/m25p80.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 8fbd1b57f60..b2b58c1bb32 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -134,7 +134,7 @@ static inline int write_enable(struct m25p *flash)
 {
 	u8	code = OPCODE_WREN;
 
-	return spi_write_then_read(flash->spi, &code, 1, NULL, 0);
+	return spi_write(flash->spi, &code, 1);
 }
 
 
-- 
GitLab


From d0e8c47c58575b9131e786edb488fd029eba443e Mon Sep 17 00:00:00 2001
From: Chen Gong <g.chen@freescale.com>
Date: Mon, 11 Aug 2008 16:59:15 +0800
Subject: [PATCH 0020/2224] [MTD] m25p80.c extended jedec support

- add extended device information support
- add s25sl128 device support

Signed-off-by: Chen Gong <g.chen@freescale.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/m25p80.c | 86 ++++++++++++++++++++----------------
 1 file changed, 47 insertions(+), 39 deletions(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index b2b58c1bb32..4d3ae085b1d 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -469,6 +469,7 @@ struct flash_info {
 	 * then a two byte device id.
 	 */
 	u32		jedec_id;
+	u16             ext_id;
 
 	/* The size listed here is what works with OPCODE_SE, which isn't
 	 * necessarily called a "sector" by the vendor.
@@ -488,57 +489,59 @@ struct flash_info {
 static struct flash_info __devinitdata m25p_data [] = {
 
 	/* Atmel -- some are (confusingly) marketed as "DataFlash" */
-	{ "at25fs010",  0x1f6601, 32 * 1024, 4, SECT_4K, },
-	{ "at25fs040",  0x1f6604, 64 * 1024, 8, SECT_4K, },
+	{ "at25fs010",  0x1f6601, 0, 32 * 1024, 4, SECT_4K, },
+	{ "at25fs040",  0x1f6604, 0, 64 * 1024, 8, SECT_4K, },
 
-	{ "at25df041a", 0x1f4401, 64 * 1024, 8, SECT_4K, },
-	{ "at25df641",  0x1f4800, 64 * 1024, 128, SECT_4K, },
+	{ "at25df041a", 0x1f4401, 0, 64 * 1024, 8, SECT_4K, },
+	{ "at25df641",  0x1f4800, 0, 64 * 1024, 128, SECT_4K, },
 
-	{ "at26f004",   0x1f0400, 64 * 1024, 8, SECT_4K, },
-	{ "at26df081a", 0x1f4501, 64 * 1024, 16, SECT_4K, },
-	{ "at26df161a", 0x1f4601, 64 * 1024, 32, SECT_4K, },
-	{ "at26df321",  0x1f4701, 64 * 1024, 64, SECT_4K, },
+	{ "at26f004",   0x1f0400, 0, 64 * 1024, 8, SECT_4K, },
+	{ "at26df081a", 0x1f4501, 0, 64 * 1024, 16, SECT_4K, },
+	{ "at26df161a", 0x1f4601, 0, 64 * 1024, 32, SECT_4K, },
+	{ "at26df321",  0x1f4701, 0, 64 * 1024, 64, SECT_4K, },
 
 	/* Spansion -- single (large) sector size only, at least
 	 * for the chips listed here (without boot sectors).
 	 */
-	{ "s25sl004a", 0x010212, 64 * 1024, 8, },
-	{ "s25sl008a", 0x010213, 64 * 1024, 16, },
-	{ "s25sl016a", 0x010214, 64 * 1024, 32, },
-	{ "s25sl032a", 0x010215, 64 * 1024, 64, },
-	{ "s25sl064a", 0x010216, 64 * 1024, 128, },
+	{ "s25sl004a", 0x010212, 0, 64 * 1024, 8, },
+	{ "s25sl008a", 0x010213, 0, 64 * 1024, 16, },
+	{ "s25sl016a", 0x010214, 0, 64 * 1024, 32, },
+	{ "s25sl032a", 0x010215, 0, 64 * 1024, 64, },
+	{ "s25sl064a", 0x010216, 0, 64 * 1024, 128, },
+        { "s25sl12800", 0x012018, 0x0300, 256 * 1024, 64, },
+	{ "s25sl12801", 0x012018, 0x0301, 64 * 1024, 256, },
 
 	/* SST -- large erase sizes are "overlays", "sectors" are 4K */
-	{ "sst25vf040b", 0xbf258d, 64 * 1024, 8, SECT_4K, },
-	{ "sst25vf080b", 0xbf258e, 64 * 1024, 16, SECT_4K, },
-	{ "sst25vf016b", 0xbf2541, 64 * 1024, 32, SECT_4K, },
-	{ "sst25vf032b", 0xbf254a, 64 * 1024, 64, SECT_4K, },
+	{ "sst25vf040b", 0xbf258d, 0, 64 * 1024, 8, SECT_4K, },
+	{ "sst25vf080b", 0xbf258e, 0, 64 * 1024, 16, SECT_4K, },
+	{ "sst25vf016b", 0xbf2541, 0, 64 * 1024, 32, SECT_4K, },
+	{ "sst25vf032b", 0xbf254a, 0, 64 * 1024, 64, SECT_4K, },
 
 	/* ST Microelectronics -- newer production may have feature updates */
-	{ "m25p05",  0x202010,  32 * 1024, 2, },
-	{ "m25p10",  0x202011,  32 * 1024, 4, },
-	{ "m25p20",  0x202012,  64 * 1024, 4, },
-	{ "m25p40",  0x202013,  64 * 1024, 8, },
-	{ "m25p80",         0,  64 * 1024, 16, },
-	{ "m25p16",  0x202015,  64 * 1024, 32, },
-	{ "m25p32",  0x202016,  64 * 1024, 64, },
-	{ "m25p64",  0x202017,  64 * 1024, 128, },
-	{ "m25p128", 0x202018, 256 * 1024, 64, },
-
-	{ "m45pe80", 0x204014,  64 * 1024, 16, },
-	{ "m45pe16", 0x204015,  64 * 1024, 32, },
-
-	{ "m25pe80", 0x208014,  64 * 1024, 16, },
-	{ "m25pe16", 0x208015,  64 * 1024, 32, SECT_4K, },
+	{ "m25p05",  0x202010,  0, 32 * 1024, 2, },
+	{ "m25p10",  0x202011,  0, 32 * 1024, 4, },
+	{ "m25p20",  0x202012,  0, 64 * 1024, 4, },
+	{ "m25p40",  0x202013,  0, 64 * 1024, 8, },
+	{ "m25p80",         0,  0, 64 * 1024, 16, },
+	{ "m25p16",  0x202015,  0, 64 * 1024, 32, },
+	{ "m25p32",  0x202016,  0, 64 * 1024, 64, },
+	{ "m25p64",  0x202017,  0, 64 * 1024, 128, },
+	{ "m25p128", 0x202018, 0, 256 * 1024, 64, },
+
+	{ "m45pe80", 0x204014,  0, 64 * 1024, 16, },
+	{ "m45pe16", 0x204015,  0, 64 * 1024, 32, },
+
+	{ "m25pe80", 0x208014,  0, 64 * 1024, 16, },
+	{ "m25pe16", 0x208015,  0, 64 * 1024, 32, SECT_4K, },
 
 	/* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
-	{ "w25x10", 0xef3011, 64 * 1024, 2, SECT_4K, },
-	{ "w25x20", 0xef3012, 64 * 1024, 4, SECT_4K, },
-	{ "w25x40", 0xef3013, 64 * 1024, 8, SECT_4K, },
-	{ "w25x80", 0xef3014, 64 * 1024, 16, SECT_4K, },
-	{ "w25x16", 0xef3015, 64 * 1024, 32, SECT_4K, },
-	{ "w25x32", 0xef3016, 64 * 1024, 64, SECT_4K, },
-	{ "w25x64", 0xef3017, 64 * 1024, 128, SECT_4K, },
+	{ "w25x10", 0xef3011, 0, 64 * 1024, 2, SECT_4K, },
+	{ "w25x20", 0xef3012, 0, 64 * 1024, 4, SECT_4K, },
+	{ "w25x40", 0xef3013, 0, 64 * 1024, 8, SECT_4K, },
+	{ "w25x80", 0xef3014, 0, 64 * 1024, 16, SECT_4K, },
+	{ "w25x16", 0xef3015, 0, 64 * 1024, 32, SECT_4K, },
+	{ "w25x32", 0xef3016, 0, 64 * 1024, 64, SECT_4K, },
+	{ "w25x64", 0xef3017, 0, 64 * 1024, 128, SECT_4K, },
 };
 
 static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
@@ -547,6 +550,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
 	u8			code = OPCODE_RDID;
 	u8			id[3];
 	u32			jedec;
+	u16                     ext_jedec;
 	struct flash_info	*info;
 
 	/* JEDEC also defines an optional "extended device information"
@@ -565,10 +569,14 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
 	jedec = jedec << 8;
 	jedec |= id[2];
 
+	ext_jedec = id[3] << 8 | id[4];
+
 	for (tmp = 0, info = m25p_data;
 			tmp < ARRAY_SIZE(m25p_data);
 			tmp++, info++) {
 		if (info->jedec_id == jedec)
+			if (ext_jedec != 0 && info->ext_id != ext_jedec)
+				continue;
 			return info;
 	}
 	dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec);
-- 
GitLab


From bb0eb217c980d50c45f3e793b4dcc70ab9ee820d Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Tue, 12 Aug 2008 12:40:50 +0300
Subject: [PATCH 0021/2224] [MTD] Define and use MTD_FAIL_ADDR_UNKNOWN instead
 of 0xffffffff

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdconcat.c            | 4 ++--
 drivers/mtd/mtdpart.c              | 4 ++--
 drivers/mtd/nand/nand_base.c       | 2 +-
 drivers/mtd/onenand/onenand_base.c | 2 +-
 fs/jffs2/erase.c                   | 4 ++--
 include/linux/mtd/mtd.h            | 4 +++-
 6 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 2972a5edb73..789842d0e6f 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -444,7 +444,7 @@ static int concat_erase(struct mtd_info *mtd, struct erase_info *instr)
 			return -EINVAL;
 	}
 
-	instr->fail_addr = 0xffffffff;
+	instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
 
 	/* make a local copy of instr to avoid modifying the caller's struct */
 	erase = kmalloc(sizeof (struct erase_info), GFP_KERNEL);
@@ -493,7 +493,7 @@ static int concat_erase(struct mtd_info *mtd, struct erase_info *instr)
 			/* sanity check: should never happen since
 			 * block alignment has been checked above */
 			BUG_ON(err == -EINVAL);
-			if (erase->fail_addr != 0xffffffff)
+			if (erase->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
 				instr->fail_addr = erase->fail_addr + offset;
 			break;
 		}
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index edb90b58a9b..8e77e36e75e 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -214,7 +214,7 @@ static int part_erase(struct mtd_info *mtd, struct erase_info *instr)
 	instr->addr += part->offset;
 	ret = part->master->erase(part->master, instr);
 	if (ret) {
-		if (instr->fail_addr != 0xffffffff)
+		if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
 			instr->fail_addr -= part->offset;
 		instr->addr -= part->offset;
 	}
@@ -226,7 +226,7 @@ void mtd_erase_callback(struct erase_info *instr)
 	if (instr->mtd->erase == part_erase) {
 		struct mtd_part *part = PART(instr->mtd);
 
-		if (instr->fail_addr != 0xffffffff)
+		if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
 			instr->fail_addr -= part->offset;
 		instr->addr -= part->offset;
 	}
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d1129bae6c2..582280560c8 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2042,7 +2042,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
 		return -EINVAL;
 	}
 
-	instr->fail_addr = 0xffffffff;
+	instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
 
 	/* Grab the lock and see if the device is available */
 	nand_get_device(chip, mtd, FL_ERASING);
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 926cf3a4135..90ed319f26e 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1794,7 +1794,7 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
 		return -EINVAL;
 	}
 
-	instr->fail_addr = 0xffffffff;
+	instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
 
 	/* Grab the lock and see if the device is available */
 	onenand_get_device(mtd, FL_ERASING);
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index dddb2a6c9e2..259461b910a 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -68,7 +68,7 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
 	instr->len = c->sector_size;
 	instr->callback = jffs2_erase_callback;
 	instr->priv = (unsigned long)(&instr[1]);
-	instr->fail_addr = 0xffffffff;
+	instr->fail_addr = MTD_FAIL_ADDR_UNKNOWN;
 
 	((struct erase_priv_struct *)instr->priv)->jeb = jeb;
 	((struct erase_priv_struct *)instr->priv)->c = c;
@@ -175,7 +175,7 @@ static void jffs2_erase_failed(struct jffs2_sb_info *c, struct jffs2_eraseblock
 {
 	/* For NAND, if the failure did not occur at the device level for a
 	   specific physical page, don't bother updating the bad block table. */
-	if (jffs2_cleanmarker_oob(c) && (bad_offset != 0xffffffff)) {
+	if (jffs2_cleanmarker_oob(c) && (bad_offset != MTD_FAIL_ADDR_UNKNOWN)) {
 		/* We had a device-level failure to erase.  Let's see if we've
 		   failed too many times. */
 		if (!jffs2_write_nand_badblock(c, jeb, bad_offset)) {
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 92263654855..eae26bb6430 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -25,8 +25,10 @@
 #define MTD_ERASE_DONE          0x08
 #define MTD_ERASE_FAILED        0x10
 
+#define MTD_FAIL_ADDR_UNKNOWN 0xffffffff
+
 /* If the erase fails, fail_addr might indicate exactly which block failed.  If
-   fail_addr = 0xffffffff, the failure was not at the device level or was not
+   fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not
    specific to any particular block. */
 struct erase_info {
 	struct mtd_info *mtd;
-- 
GitLab


From 36cd4fb5d277f34fe9e4db0deac2d4efd7dff735 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Wed, 6 Aug 2008 10:08:46 +0300
Subject: [PATCH 0022/2224] [MTD] [OneNAND] Add OMAP2 / OMAP3 OneNAND driver
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This driver had resided in the OMAP tree but is now to be in MTD.

Original authors were:
	Jarkko Lavinen <jarkko.lavinen@nokia.com> and Juha Yrjölä
	IRQ and DMA support written by Timo Teras

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/Kconfig         |   7 +
 drivers/mtd/onenand/Makefile        |   1 +
 drivers/mtd/onenand/omap2.c         | 777 ++++++++++++++++++++++++++++
 include/asm-arm/arch-omap/onenand.h |   7 +-
 4 files changed, 791 insertions(+), 1 deletion(-)
 create mode 100644 drivers/mtd/onenand/omap2.c

diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig
index b94a61b670d..79fa79e8f8d 100644
--- a/drivers/mtd/onenand/Kconfig
+++ b/drivers/mtd/onenand/Kconfig
@@ -27,6 +27,13 @@ config MTD_ONENAND_GENERIC
 	help
 	  Support for OneNAND flash via platform device driver.
 
+config MTD_ONENAND_OMAP2
+	tristate "OneNAND on OMAP2/OMAP3 support"
+	depends on MTD_ONENAND && (ARCH_OMAP2 || ARCH_OMAP3)
+	help
+	  Support for a OneNAND flash device connected to an OMAP2/OMAP3 CPU
+	  via the GPMC memory controller.
+
 config MTD_ONENAND_OTP
 	bool "OneNAND OTP Support"
 	select HAVE_MTD_OTP
diff --git a/drivers/mtd/onenand/Makefile b/drivers/mtd/onenand/Makefile
index 4d2eacfd7e1..64b6cc61a52 100644
--- a/drivers/mtd/onenand/Makefile
+++ b/drivers/mtd/onenand/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_MTD_ONENAND)		+= onenand.o
 
 # Board specific.
 obj-$(CONFIG_MTD_ONENAND_GENERIC)	+= generic.o
+obj-$(CONFIG_MTD_ONENAND_OMAP2)		+= omap2.o
 
 # Simulator
 obj-$(CONFIG_MTD_ONENAND_SIM)		+= onenand_sim.o
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
new file mode 100644
index 00000000000..40153ace5df
--- /dev/null
+++ b/drivers/mtd/onenand/omap2.c
@@ -0,0 +1,777 @@
+/*
+ *  linux/drivers/mtd/onenand/omap2.c
+ *
+ *  OneNAND driver for OMAP2 / OMAP3
+ *
+ *  Copyright © 2005-2006 Nokia Corporation
+ *
+ *  Author: Jarkko Lavinen <jarkko.lavinen@nokia.com> and Juha Yrjölä
+ *  IRQ and DMA support written by Timo Teras
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING. If not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/onenand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+#include <asm/mach/flash.h>
+#include <asm/arch/gpmc.h>
+#include <asm/arch/onenand.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/gpmc.h>
+#include <asm/arch/pm.h>
+
+#include <linux/dma-mapping.h>
+#include <asm/dma-mapping.h>
+#include <asm/arch/dma.h>
+
+#include <asm/arch/board.h>
+
+#define DRIVER_NAME "omap2-onenand"
+
+#define ONENAND_IO_SIZE		SZ_128K
+#define ONENAND_BUFRAM_SIZE	(1024 * 5)
+
+struct omap2_onenand {
+	struct platform_device *pdev;
+	int gpmc_cs;
+	unsigned long phys_base;
+	int gpio_irq;
+	struct mtd_info mtd;
+	struct mtd_partition *parts;
+	struct onenand_chip onenand;
+	struct completion irq_done;
+	struct completion dma_done;
+	int dma_channel;
+	int freq;
+	int (*setup)(void __iomem *base, int freq);
+};
+
+static void omap2_onenand_dma_cb(int lch, u16 ch_status, void *data)
+{
+	struct omap2_onenand *c = data;
+
+	complete(&c->dma_done);
+}
+
+static irqreturn_t omap2_onenand_interrupt(int irq, void *dev_id)
+{
+	struct omap2_onenand *c = dev_id;
+
+	complete(&c->irq_done);
+
+	return IRQ_HANDLED;
+}
+
+static inline unsigned short read_reg(struct omap2_onenand *c, int reg)
+{
+	return readw(c->onenand.base + reg);
+}
+
+static inline void write_reg(struct omap2_onenand *c, unsigned short value,
+			     int reg)
+{
+	writew(value, c->onenand.base + reg);
+}
+
+static void wait_err(char *msg, int state, unsigned int ctrl, unsigned int intr)
+{
+	printk(KERN_ERR "onenand_wait: %s! state %d ctrl 0x%04x intr 0x%04x\n",
+	       msg, state, ctrl, intr);
+}
+
+static void wait_warn(char *msg, int state, unsigned int ctrl,
+		      unsigned int intr)
+{
+	printk(KERN_WARNING "onenand_wait: %s! state %d ctrl 0x%04x "
+	       "intr 0x%04x\n", msg, state, ctrl, intr);
+}
+
+static int omap2_onenand_wait(struct mtd_info *mtd, int state)
+{
+	struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+	unsigned int intr = 0;
+	unsigned int ctrl;
+	unsigned long timeout;
+	u32 syscfg;
+
+	if (state == FL_RESETING) {
+		int i;
+
+		for (i = 0; i < 20; i++) {
+			udelay(1);
+			intr = read_reg(c, ONENAND_REG_INTERRUPT);
+			if (intr & ONENAND_INT_MASTER)
+				break;
+		}
+		ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+		if (ctrl & ONENAND_CTRL_ERROR) {
+			wait_err("controller error", state, ctrl, intr);
+			return -EIO;
+		}
+		if (!(intr & ONENAND_INT_RESET)) {
+			wait_err("timeout", state, ctrl, intr);
+			return -EIO;
+		}
+		return 0;
+	}
+
+	if (state != FL_READING) {
+		int result;
+
+		/* Turn interrupts on */
+		syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
+		syscfg |= ONENAND_SYS_CFG1_IOBE;
+		write_reg(c, syscfg, ONENAND_REG_SYS_CFG1);
+
+		INIT_COMPLETION(c->irq_done);
+		if (c->gpio_irq) {
+			result = omap_get_gpio_datain(c->gpio_irq);
+			if (result == -1) {
+				ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+				intr = read_reg(c, ONENAND_REG_INTERRUPT);
+				wait_err("gpio error", state, ctrl, intr);
+				return -EIO;
+			}
+		} else
+			result = 0;
+		if (result == 0) {
+			int retry_cnt = 0;
+retry:
+			result = wait_for_completion_timeout(&c->irq_done,
+						    msecs_to_jiffies(20));
+			if (result == 0) {
+				/* Timeout after 20ms */
+				ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+				if (ctrl & ONENAND_CTRL_ONGO) {
+					/*
+					 * The operation seems to be still going
+					 * so give it some more time.
+					 */
+					retry_cnt += 1;
+					if (retry_cnt < 3)
+						goto retry;
+					intr = read_reg(c,
+							ONENAND_REG_INTERRUPT);
+					wait_err("timeout", state, ctrl, intr);
+					return -EIO;
+				}
+				intr = read_reg(c, ONENAND_REG_INTERRUPT);
+				if ((intr & ONENAND_INT_MASTER) == 0)
+					wait_warn("timeout", state, ctrl, intr);
+			}
+		}
+	} else {
+		/* Turn interrupts off */
+		syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
+		syscfg &= ~ONENAND_SYS_CFG1_IOBE;
+		write_reg(c, syscfg, ONENAND_REG_SYS_CFG1);
+
+		timeout = jiffies + msecs_to_jiffies(20);
+		while (time_before(jiffies, timeout)) {
+			intr = read_reg(c, ONENAND_REG_INTERRUPT);
+			if (intr & ONENAND_INT_MASTER)
+				break;
+		}
+	}
+
+	intr = read_reg(c, ONENAND_REG_INTERRUPT);
+	ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+
+	if (intr & ONENAND_INT_READ) {
+		int ecc = read_reg(c, ONENAND_REG_ECC_STATUS);
+
+		if (ecc) {
+			unsigned int addr1, addr8;
+
+			addr1 = read_reg(c, ONENAND_REG_START_ADDRESS1);
+			addr8 = read_reg(c, ONENAND_REG_START_ADDRESS8);
+			if (ecc & ONENAND_ECC_2BIT_ALL) {
+				printk(KERN_ERR "onenand_wait: ECC error = "
+				       "0x%04x, addr1 %#x, addr8 %#x\n",
+				       ecc, addr1, addr8);
+				mtd->ecc_stats.failed++;
+				return -EBADMSG;
+			} else if (ecc & ONENAND_ECC_1BIT_ALL) {
+				printk(KERN_NOTICE "onenand_wait: correctable "
+				       "ECC error = 0x%04x, addr1 %#x, "
+				       "addr8 %#x\n", ecc, addr1, addr8);
+				mtd->ecc_stats.corrected++;
+			}
+		}
+	} else if (state == FL_READING) {
+		wait_err("timeout", state, ctrl, intr);
+		return -EIO;
+	}
+
+	if (ctrl & ONENAND_CTRL_ERROR) {
+		wait_err("controller error", state, ctrl, intr);
+		if (ctrl & ONENAND_CTRL_LOCK)
+			printk(KERN_ERR "onenand_wait: "
+					"Device is write protected!!!\n");
+		return -EIO;
+	}
+
+	if (ctrl & 0xFE9F)
+		wait_warn("unexpected controller status", state, ctrl, intr);
+
+	return 0;
+}
+
+static inline int omap2_onenand_bufferram_offset(struct mtd_info *mtd, int area)
+{
+	struct onenand_chip *this = mtd->priv;
+
+	if (ONENAND_CURRENT_BUFFERRAM(this)) {
+		if (area == ONENAND_DATARAM)
+			return mtd->writesize;
+		if (area == ONENAND_SPARERAM)
+			return mtd->oobsize;
+	}
+
+	return 0;
+}
+
+#if defined(CONFIG_ARCH_OMAP3) || defined(MULTI_OMAP2)
+
+static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
+					unsigned char *buffer, int offset,
+					size_t count)
+{
+	struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+	struct onenand_chip *this = mtd->priv;
+	dma_addr_t dma_src, dma_dst;
+	int bram_offset;
+	unsigned long timeout;
+	void *buf = (void *)buffer;
+	size_t xtra;
+	volatile unsigned *done;
+
+	bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+	if (bram_offset & 3 || (size_t)buf & 3 || count < 384)
+		goto out_copy;
+
+	if (buf >= high_memory) {
+		struct page *p1;
+
+		if (((size_t)buf & PAGE_MASK) !=
+		    ((size_t)(buf + count - 1) & PAGE_MASK))
+			goto out_copy;
+		p1 = vmalloc_to_page(buf);
+		if (!p1)
+			goto out_copy;
+		buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK);
+	}
+
+	xtra = count & 3;
+	if (xtra) {
+		count -= xtra;
+		memcpy(buf + count, this->base + bram_offset + count, xtra);
+	}
+
+	dma_src = c->phys_base + bram_offset;
+	dma_dst = dma_map_single(&c->pdev->dev, buf, count, DMA_FROM_DEVICE);
+	if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+		dev_err(&c->pdev->dev,
+			"Couldn't DMA map a %d byte buffer\n",
+			count);
+		goto out_copy;
+	}
+
+	omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+				     count >> 2, 1, 0, 0, 0);
+	omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				dma_src, 0, 0);
+	omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				 dma_dst, 0, 0);
+
+	INIT_COMPLETION(c->dma_done);
+	omap_start_dma(c->dma_channel);
+
+	timeout = jiffies + msecs_to_jiffies(20);
+	done = &c->dma_done.done;
+	while (time_before(jiffies, timeout))
+		if (*done)
+			break;
+
+	dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE);
+
+	if (!*done) {
+		dev_err(&c->pdev->dev, "timeout waiting for DMA\n");
+		goto out_copy;
+	}
+
+	return 0;
+
+out_copy:
+	memcpy(buf, this->base + bram_offset, count);
+	return 0;
+}
+
+static int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
+					 const unsigned char *buffer,
+					 int offset, size_t count)
+{
+	struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+	struct onenand_chip *this = mtd->priv;
+	dma_addr_t dma_src, dma_dst;
+	int bram_offset;
+	unsigned long timeout;
+	void *buf = (void *)buffer;
+	volatile unsigned *done;
+
+	bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+	if (bram_offset & 3 || (size_t)buf & 3 || count < 384)
+		goto out_copy;
+
+	/* panic_write() may be in an interrupt context */
+	if (in_interrupt())
+		goto out_copy;
+
+	if (buf >= high_memory) {
+		struct page *p1;
+
+		if (((size_t)buf & PAGE_MASK) !=
+		    ((size_t)(buf + count - 1) & PAGE_MASK))
+			goto out_copy;
+		p1 = vmalloc_to_page(buf);
+		if (!p1)
+			goto out_copy;
+		buf = page_address(p1) + ((size_t)buf & ~PAGE_MASK);
+	}
+
+	dma_src = dma_map_single(&c->pdev->dev, buf, count, DMA_TO_DEVICE);
+	dma_dst = c->phys_base + bram_offset;
+	if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+		dev_err(&c->pdev->dev,
+			"Couldn't DMA map a %d byte buffer\n",
+			count);
+		return -1;
+	}
+
+	omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+				     count >> 2, 1, 0, 0, 0);
+	omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				dma_src, 0, 0);
+	omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				 dma_dst, 0, 0);
+
+	INIT_COMPLETION(c->dma_done);
+	omap_start_dma(c->dma_channel);
+
+	timeout = jiffies + msecs_to_jiffies(20);
+	done = &c->dma_done.done;
+	while (time_before(jiffies, timeout))
+		if (*done)
+			break;
+
+	dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE);
+
+	if (!*done) {
+		dev_err(&c->pdev->dev, "timeout waiting for DMA\n");
+		goto out_copy;
+	}
+
+	return 0;
+
+out_copy:
+	memcpy(this->base + bram_offset, buf, count);
+	return 0;
+}
+
+#else
+
+int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
+				 unsigned char *buffer, int offset,
+				 size_t count);
+
+int omap3_onenand_write_bufferram(struct mtd_info *mtd, int area,
+				  const unsigned char *buffer,
+				  int offset, size_t count);
+
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2) || defined(MULTI_OMAP2)
+
+static int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
+					unsigned char *buffer, int offset,
+					size_t count)
+{
+	struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+	struct onenand_chip *this = mtd->priv;
+	dma_addr_t dma_src, dma_dst;
+	int bram_offset;
+
+	bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+	/* DMA is not used.  Revisit PM requirements before enabling it. */
+	if (1 || (c->dma_channel < 0) ||
+	    ((void *) buffer >= (void *) high_memory) || (bram_offset & 3) ||
+	    (((unsigned int) buffer) & 3) || (count < 1024) || (count & 3)) {
+		memcpy(buffer, (__force void *)(this->base + bram_offset),
+		       count);
+		return 0;
+	}
+
+	dma_src = c->phys_base + bram_offset;
+	dma_dst = dma_map_single(&c->pdev->dev, buffer, count,
+				 DMA_FROM_DEVICE);
+	if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+		dev_err(&c->pdev->dev,
+			"Couldn't DMA map a %d byte buffer\n",
+			count);
+		return -1;
+	}
+
+	omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32,
+				     count / 4, 1, 0, 0, 0);
+	omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				dma_src, 0, 0);
+	omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				 dma_dst, 0, 0);
+
+	INIT_COMPLETION(c->dma_done);
+	omap_start_dma(c->dma_channel);
+	wait_for_completion(&c->dma_done);
+
+	dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE);
+
+	return 0;
+}
+
+static int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
+					 const unsigned char *buffer,
+					 int offset, size_t count)
+{
+	struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd);
+	struct onenand_chip *this = mtd->priv;
+	dma_addr_t dma_src, dma_dst;
+	int bram_offset;
+
+	bram_offset = omap2_onenand_bufferram_offset(mtd, area) + area + offset;
+	/* DMA is not used.  Revisit PM requirements before enabling it. */
+	if (1 || (c->dma_channel < 0) ||
+	    ((void *) buffer >= (void *) high_memory) || (bram_offset & 3) ||
+	    (((unsigned int) buffer) & 3) || (count < 1024) || (count & 3)) {
+		memcpy((__force void *)(this->base + bram_offset), buffer,
+		       count);
+		return 0;
+	}
+
+	dma_src = dma_map_single(&c->pdev->dev, (void *) buffer, count,
+				 DMA_TO_DEVICE);
+	dma_dst = c->phys_base + bram_offset;
+	if (dma_mapping_error(&c->pdev->dev, dma_dst)) {
+		dev_err(&c->pdev->dev,
+			"Couldn't DMA map a %d byte buffer\n",
+			count);
+		return -1;
+	}
+
+	omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S16,
+				     count / 2, 1, 0, 0, 0);
+	omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				dma_src, 0, 0);
+	omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC,
+				 dma_dst, 0, 0);
+
+	INIT_COMPLETION(c->dma_done);
+	omap_start_dma(c->dma_channel);
+	wait_for_completion(&c->dma_done);
+
+	dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_TO_DEVICE);
+
+	return 0;
+}
+
+#else
+
+int omap2_onenand_read_bufferram(struct mtd_info *mtd, int area,
+				 unsigned char *buffer, int offset,
+				 size_t count);
+
+int omap2_onenand_write_bufferram(struct mtd_info *mtd, int area,
+				  const unsigned char *buffer,
+				  int offset, size_t count);
+
+#endif
+
+static struct platform_driver omap2_onenand_driver;
+
+static int __adjust_timing(struct device *dev, void *data)
+{
+	int ret = 0;
+	struct omap2_onenand *c;
+
+	c = dev_get_drvdata(dev);
+
+	BUG_ON(c->setup == NULL);
+
+	/* DMA is not in use so this is all that is needed */
+	/* Revisit for OMAP3! */
+	ret = c->setup(c->onenand.base, c->freq);
+
+	return ret;
+}
+
+int omap2_onenand_rephase(void)
+{
+	return driver_for_each_device(&omap2_onenand_driver.driver, NULL,
+				      NULL, __adjust_timing);
+}
+
+static void __devexit omap2_onenand_shutdown(struct platform_device *pdev)
+{
+	struct omap2_onenand *c = dev_get_drvdata(&pdev->dev);
+
+	/* With certain content in the buffer RAM, the OMAP boot ROM code
+	 * can recognize the flash chip incorrectly. Zero it out before
+	 * soft reset.
+	 */
+	memset((__force void *)c->onenand.base, 0, ONENAND_BUFRAM_SIZE);
+}
+
+static int __devinit omap2_onenand_probe(struct platform_device *pdev)
+{
+	struct omap_onenand_platform_data *pdata;
+	struct omap2_onenand *c;
+	int r;
+
+	pdata = pdev->dev.platform_data;
+	if (pdata == NULL) {
+		dev_err(&pdev->dev, "platform data missing\n");
+		return -ENODEV;
+	}
+
+	c = kzalloc(sizeof(struct omap2_onenand), GFP_KERNEL);
+	if (!c)
+		return -ENOMEM;
+
+	init_completion(&c->irq_done);
+	init_completion(&c->dma_done);
+	c->gpmc_cs = pdata->cs;
+	c->gpio_irq = pdata->gpio_irq;
+	c->dma_channel = pdata->dma_channel;
+	if (c->dma_channel < 0) {
+		/* if -1, don't use DMA */
+		c->gpio_irq = 0;
+	}
+
+	r = gpmc_cs_request(c->gpmc_cs, ONENAND_IO_SIZE, &c->phys_base);
+	if (r < 0) {
+		dev_err(&pdev->dev, "Cannot request GPMC CS\n");
+		goto err_kfree;
+	}
+
+	if (request_mem_region(c->phys_base, ONENAND_IO_SIZE,
+			       pdev->dev.driver->name) == NULL) {
+		dev_err(&pdev->dev, "Cannot reserve memory region at 0x%08lx, "
+			"size: 0x%x\n",	c->phys_base, ONENAND_IO_SIZE);
+		r = -EBUSY;
+		goto err_free_cs;
+	}
+	c->onenand.base = ioremap(c->phys_base, ONENAND_IO_SIZE);
+	if (c->onenand.base == NULL) {
+		r = -ENOMEM;
+		goto err_release_mem_region;
+	}
+
+	if (pdata->onenand_setup != NULL) {
+		r = pdata->onenand_setup(c->onenand.base, c->freq);
+		if (r < 0) {
+			dev_err(&pdev->dev, "Onenand platform setup failed: "
+				"%d\n", r);
+			goto err_iounmap;
+		}
+		c->setup = pdata->onenand_setup;
+	}
+
+	if (c->gpio_irq) {
+		if ((r = omap_request_gpio(c->gpio_irq)) < 0) {
+			dev_err(&pdev->dev,  "Failed to request GPIO%d for "
+				"OneNAND\n", c->gpio_irq);
+			goto err_iounmap;
+	}
+	omap_set_gpio_direction(c->gpio_irq, 1);
+
+	if ((r = request_irq(OMAP_GPIO_IRQ(c->gpio_irq),
+			     omap2_onenand_interrupt, IRQF_TRIGGER_RISING,
+			     pdev->dev.driver->name, c)) < 0)
+		goto err_release_gpio;
+	}
+
+	if (c->dma_channel >= 0) {
+		r = omap_request_dma(0, pdev->dev.driver->name,
+				     omap2_onenand_dma_cb, (void *) c,
+				     &c->dma_channel);
+		if (r == 0) {
+			omap_set_dma_write_mode(c->dma_channel,
+						OMAP_DMA_WRITE_NON_POSTED);
+			omap_set_dma_src_data_pack(c->dma_channel, 1);
+			omap_set_dma_src_burst_mode(c->dma_channel,
+						    OMAP_DMA_DATA_BURST_8);
+			omap_set_dma_dest_data_pack(c->dma_channel, 1);
+			omap_set_dma_dest_burst_mode(c->dma_channel,
+						     OMAP_DMA_DATA_BURST_8);
+		} else {
+			dev_info(&pdev->dev,
+				 "failed to allocate DMA for OneNAND, "
+				 "using PIO instead\n");
+			c->dma_channel = -1;
+		}
+	}
+
+	dev_info(&pdev->dev, "initializing on CS%d, phys base 0x%08lx, virtual "
+		 "base %p\n", c->gpmc_cs, c->phys_base,
+		 c->onenand.base);
+
+	c->pdev = pdev;
+	c->mtd.name = pdev->dev.bus_id;
+	c->mtd.priv = &c->onenand;
+	c->mtd.owner = THIS_MODULE;
+
+	if (c->dma_channel >= 0) {
+		struct onenand_chip *this = &c->onenand;
+
+		this->wait = omap2_onenand_wait;
+		if (cpu_is_omap34xx()) {
+			this->read_bufferram = omap3_onenand_read_bufferram;
+			this->write_bufferram = omap3_onenand_write_bufferram;
+		} else {
+			this->read_bufferram = omap2_onenand_read_bufferram;
+			this->write_bufferram = omap2_onenand_write_bufferram;
+		}
+	}
+
+	if ((r = onenand_scan(&c->mtd, 1)) < 0)
+		goto err_release_dma;
+
+	switch ((c->onenand.version_id >> 4) & 0xf) {
+	case 0:
+		c->freq = 40;
+		break;
+	case 1:
+		c->freq = 54;
+		break;
+	case 2:
+		c->freq = 66;
+		break;
+	case 3:
+		c->freq = 83;
+		break;
+	}
+
+#ifdef CONFIG_MTD_PARTITIONS
+	if (pdata->parts != NULL)
+		r = add_mtd_partitions(&c->mtd, pdata->parts,
+				       pdata->nr_parts);
+	else
+#endif
+		r = add_mtd_device(&c->mtd);
+	if (r < 0)
+		goto err_release_onenand;
+
+	platform_set_drvdata(pdev, c);
+
+	return 0;
+
+err_release_onenand:
+	onenand_release(&c->mtd);
+err_release_dma:
+	if (c->dma_channel != -1)
+		omap_free_dma(c->dma_channel);
+	if (c->gpio_irq)
+		free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+err_release_gpio:
+	if (c->gpio_irq)
+		omap_free_gpio(c->gpio_irq);
+err_iounmap:
+	iounmap(c->onenand.base);
+err_release_mem_region:
+	release_mem_region(c->phys_base, ONENAND_IO_SIZE);
+err_free_cs:
+	gpmc_cs_free(c->gpmc_cs);
+err_kfree:
+	kfree(c);
+
+	return r;
+}
+
+static int __devexit omap2_onenand_remove(struct platform_device *pdev)
+{
+	struct omap2_onenand *c = dev_get_drvdata(&pdev->dev);
+
+	BUG_ON(c == NULL);
+
+#ifdef CONFIG_MTD_PARTITIONS
+	if (c->parts)
+		del_mtd_partitions(&c->mtd);
+	else
+		del_mtd_device(&c->mtd);
+#else
+	del_mtd_device(&c->mtd);
+#endif
+
+	onenand_release(&c->mtd);
+	if (c->dma_channel != -1)
+		omap_free_dma(c->dma_channel);
+	omap2_onenand_shutdown(pdev);
+	platform_set_drvdata(pdev, NULL);
+	if (c->gpio_irq) {
+		free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+		omap_free_gpio(c->gpio_irq);
+	}
+	iounmap(c->onenand.base);
+	release_mem_region(c->phys_base, ONENAND_IO_SIZE);
+	kfree(c);
+
+	return 0;
+}
+
+static struct platform_driver omap2_onenand_driver = {
+	.probe		= omap2_onenand_probe,
+	.remove		= omap2_onenand_remove,
+	.shutdown	= omap2_onenand_shutdown,
+	.driver		= {
+		.name	= DRIVER_NAME,
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init omap2_onenand_init(void)
+{
+	printk(KERN_INFO "OneNAND driver initializing\n");
+	return platform_driver_register(&omap2_onenand_driver);
+}
+
+static void __exit omap2_onenand_exit(void)
+{
+	platform_driver_unregister(&omap2_onenand_driver);
+}
+
+module_init(omap2_onenand_init);
+module_exit(omap2_onenand_exit);
+
+MODULE_ALIAS(DRIVER_NAME);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jarkko Lavinen <jarkko.lavinen@nokia.com>");
+MODULE_DESCRIPTION("Glue layer for OneNAND flash on OMAP2 / OMAP3");
diff --git a/include/asm-arm/arch-omap/onenand.h b/include/asm-arm/arch-omap/onenand.h
index 6c959d0ce47..e30237117b6 100644
--- a/include/asm-arm/arch-omap/onenand.h
+++ b/include/asm-arm/arch-omap/onenand.h
@@ -16,6 +16,11 @@ struct omap_onenand_platform_data {
 	int			gpio_irq;
 	struct mtd_partition	*parts;
 	int			nr_parts;
-	int                     (*onenand_setup)(void __iomem *);
+	int                     (*onenand_setup)(void __iomem *, int freq);
 	int			dma_channel;
 };
+
+int omap2_onenand_rephase(void);
+
+#define ONENAND_MAX_PARTITIONS 8
+
-- 
GitLab


From bde86fec7c822b6009d3cfefc20b76b8d34716af Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Thu, 14 Aug 2008 11:57:45 +0300
Subject: [PATCH 0023/2224] [JFFS2] Correct symlink name too long error code

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/dir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index cd219ef5525..b1aaae823a5 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -311,7 +311,7 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char
 	/* FIXME: If you care. We'd need to use frags for the target
 	   if it grows much more than this */
 	if (targetlen > 254)
-		return -EINVAL;
+		return -ENAMETOOLONG;
 
 	ri = jffs2_alloc_raw_inode();
 
-- 
GitLab


From 782b7a367d81da005d93b28cb00f9ae086773c24 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Thu, 14 Aug 2008 14:00:12 +0300
Subject: [PATCH 0024/2224] [MTD] [OneNAND] OMAP3: add delay for GPIO

On OMAP3, the driver was occasionally not seeing the GPIO
interrupt.  Adding a small delay of one register read
eliminates the problem.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/omap2.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 40153ace5df..34b42533f4b 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -141,8 +141,13 @@ static int omap2_onenand_wait(struct mtd_info *mtd, int state)
 
 		/* Turn interrupts on */
 		syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
-		syscfg |= ONENAND_SYS_CFG1_IOBE;
-		write_reg(c, syscfg, ONENAND_REG_SYS_CFG1);
+		if (!(syscfg & ONENAND_SYS_CFG1_IOBE)) {
+			syscfg |= ONENAND_SYS_CFG1_IOBE;
+			write_reg(c, syscfg, ONENAND_REG_SYS_CFG1);
+			if (cpu_is_omap34xx())
+				/* Add a delay to let GPIO settle */
+				syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
+		}
 
 		INIT_COMPLETION(c->irq_done);
 		if (c->gpio_irq) {
-- 
GitLab


From e6cf5df1838c28bb060ac45b5585e48e71bbc740 Mon Sep 17 00:00:00 2001
From: frans <fransmeulenbroeks@gmail.com>
Date: Fri, 15 Aug 2008 23:14:31 +0200
Subject: [PATCH 0025/2224] [MTD] [NAND] nand_ecc.c: rewrite for improved
 performance

This patch improves the performance of the ecc generation code by a
factor of 18 on an INTEL D920 CPU, a factor of 7 on MIPS and a factor of 5
on ARM (NSLU2)

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 Documentation/mtd/nand_ecc.txt | 714 +++++++++++++++++++++++++++++++++
 drivers/mtd/nand/nand_ecc.c    | 496 +++++++++++++++++------
 2 files changed, 1086 insertions(+), 124 deletions(-)
 create mode 100644 Documentation/mtd/nand_ecc.txt

diff --git a/Documentation/mtd/nand_ecc.txt b/Documentation/mtd/nand_ecc.txt
new file mode 100644
index 00000000000..bdf93b7f0f2
--- /dev/null
+++ b/Documentation/mtd/nand_ecc.txt
@@ -0,0 +1,714 @@
+Introduction
+============
+
+Having looked at the linux mtd/nand driver and more specific at nand_ecc.c
+I felt there was room for optimisation. I bashed the code for a few hours
+performing tricks like table lookup removing superfluous code etc.
+After that the speed was increased by 35-40%.
+Still I was not too happy as I felt there was additional room for improvement.
+
+Bad! I was hooked.
+I decided to annotate my steps in this file. Perhaps it is useful to someone
+or someone learns something from it.
+
+
+The problem
+===========
+
+NAND flash (at least SLC one) typically has sectors of 256 bytes.
+However NAND flash is not extremely reliable so some error detection
+(and sometimes correction) is needed.
+
+This is done by means of a Hamming code. I'll try to explain it in
+laymans terms (and apologies to all the pro's in the field in case I do
+not use the right terminology, my coding theory class was almost 30
+years ago, and I must admit it was not one of my favourites).
+
+As I said before the ecc calculation is performed on sectors of 256
+bytes. This is done by calculating several parity bits over the rows and
+columns. The parity used is even parity which means that the parity bit = 1
+if the data over which the parity is calculated is 1 and the parity bit = 0
+if the data over which the parity is calculated is 0. So the total
+number of bits over the data over which the parity is calculated + the
+parity bit is even. (see wikipedia if you can't follow this).
+Parity is often calculated by means of an exclusive or operation,
+sometimes also referred to as xor. In C the operator for xor is ^
+
+Back to ecc.
+Let's give a small figure:
+
+byte   0:  bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0   rp0 rp2 rp4 ... rp14
+byte   1:  bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0   rp1 rp2 rp4 ... rp14
+byte   2:  bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0   rp0 rp3 rp4 ... rp14
+byte   3:  bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0   rp1 rp3 rp4 ... rp14
+byte   4:  bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0   rp0 rp2 rp5 ... rp14
+....
+byte 254:  bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0   rp0 rp3 rp5 ... rp15
+byte 255:  bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0   rp1 rp3 rp5 ... rp15
+           cp1  cp0  cp1  cp0  cp1  cp0  cp1  cp0
+           cp3  cp3  cp2  cp2  cp3  cp3  cp2  cp2
+           cp5  cp5  cp5  cp5  cp4  cp4  cp4  cp4
+
+This figure represents a sector of 256 bytes.
+cp is my abbreviaton for column parity, rp for row parity.
+
+Let's start to explain column parity.
+cp0 is the parity that belongs to all bit0, bit2, bit4, bit6.
+so the sum of all bit0, bit2, bit4 and bit6 values + cp0 itself is even.
+Similarly cp1 is the sum of all bit1, bit3, bit5 and bit7.
+cp2 is the parity over bit0, bit1, bit4 and bit5
+cp3 is the parity over bit2, bit3, bit6 and bit7.
+cp4 is the parity over bit0, bit1, bit2 and bit3.
+cp5 is the parity over bit4, bit5, bit6 and bit7.
+Note that each of cp0 .. cp5 is exactly one bit.
+
+Row parity actually works almost the same.
+rp0 is the parity of all even bytes (0, 2, 4, 6, ... 252, 254)
+rp1 is the parity of all odd bytes (1, 3, 5, 7, ..., 253, 255)
+rp2 is the parity of all bytes 0, 1, 4, 5, 8, 9, ...
+(so handle two bytes, then skip 2 bytes).
+rp3 is covers the half rp2 does not cover (bytes 2, 3, 6, 7, 10, 11, ...)
+for rp4 the rule is cover 4 bytes, skip 4 bytes, cover 4 bytes, skip 4 etc.
+so rp4 calculates parity over bytes 0, 1, 2, 3, 8, 9, 10, 11, 16, ...)
+and rp5 covers the other half, so bytes 4, 5, 6, 7, 12, 13, 14, 15, 20, ..
+The story now becomes quite boring. I guess you get the idea.
+rp6 covers 8 bytes then skips 8 etc
+rp7 skips 8 bytes then covers 8 etc
+rp8 covers 16 bytes then skips 16 etc
+rp9 skips 16 bytes then covers 16 etc
+rp10 covers 32 bytes then skips 32 etc
+rp11 skips 32 bytes then covers 32 etc
+rp12 covers 64 bytes then skips 64 etc
+rp13 skips 64 bytes then covers 64 etc
+rp14 covers 128 bytes then skips 128
+rp15 skips 128 bytes then covers 128
+
+In the end the parity bits are grouped together in three bytes as
+follows:
+ECC    Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
+ECC 0   rp07  rp06  rp05  rp04  rp03  rp02  rp01  rp00
+ECC 1   rp15  rp14  rp13  rp12  rp11  rp10  rp09  rp08
+ECC 2   cp5   cp4   cp3   cp2   cp1   cp0      1     1
+
+I detected after writing this that ST application note AN1823
+(http://www.st.com/stonline/books/pdf/docs/10123.pdf) gives a much
+nicer picture.(but they use line parity as term where I use row parity)
+Oh well, I'm graphically challenged, so suffer with me for a moment :-)
+And I could not reuse the ST picture anyway for copyright reasons.
+
+
+Attempt 0
+=========
+
+Implementing the parity calculation is pretty simple.
+In C pseudocode:
+for (i = 0; i < 256; i++)
+{
+    if (i & 0x01)
+       rp1 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp1;
+    else
+       rp0 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp1;
+    if (i & 0x02)
+       rp3 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp3;
+    else
+       rp2 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp2;
+    if (i & 0x04)
+      rp5 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp5;
+    else
+      rp4 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp4;
+    if (i & 0x08)
+      rp7 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp7;
+    else
+      rp6 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp6;
+    if (i & 0x10)
+      rp9 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp9;
+    else
+      rp8 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp8;
+    if (i & 0x20)
+      rp11 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp11;
+    else
+    rp10 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp10;
+    if (i & 0x40)
+      rp13 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp13;
+    else
+      rp12 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp12;
+    if (i & 0x80)
+      rp15 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp15;
+    else
+      rp14 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0 ^ rp14;
+    cp0 = bit6 ^ bit4 ^ bit2 ^ bit0 ^ cp0;
+    cp1 = bit7 ^ bit5 ^ bit3 ^ bit1 ^ cp1;
+    cp2 = bit5 ^ bit4 ^ bit1 ^ bit0 ^ cp2;
+    cp3 = bit7 ^ bit6 ^ bit3 ^ bit2 ^ cp3
+    cp4 = bit3 ^ bit2 ^ bit1 ^ bit0 ^ cp4
+    cp5 = bit7 ^ bit6 ^ bit5 ^ bit4 ^ cp5
+}
+
+
+Analysis 0
+==========
+
+C does have bitwise operators but not really operators to do the above
+efficiently (and most hardware has no such instructions either).
+Therefore without implementing this it was clear that the code above was
+not going to bring me a Nobel prize :-)
+
+Fortunately the exclusive or operation is commutative, so we can combine
+the values in any order. So instead of calculating all the bits
+individually, let us try to rearrange things.
+For the column parity this is easy. We can just xor the bytes and in the
+end filter out the relevant bits. This is pretty nice as it will bring
+all cp calculation out of the if loop.
+
+Similarly we can first xor the bytes for the various rows.
+This leads to:
+
+
+Attempt 1
+=========
+
+const char parity[256] = {
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+    0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0
+};
+
+void ecc1(const unsigned char *buf, unsigned char *code)
+{
+    int i;
+    const unsigned char *bp = buf;
+    unsigned char cur;
+    unsigned char rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7;
+    unsigned char rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15;
+    unsigned char par;
+
+    par = 0;
+    rp0 = 0; rp1 = 0; rp2 = 0; rp3 = 0;
+    rp4 = 0; rp5 = 0; rp6 = 0; rp7 = 0;
+    rp8 = 0; rp9 = 0; rp10 = 0; rp11 = 0;
+    rp12 = 0; rp13 = 0; rp14 = 0; rp15 = 0;
+
+    for (i = 0; i < 256; i++)
+    {
+        cur = *bp++;
+        par ^= cur;
+        if (i & 0x01) rp1 ^= cur; else rp0 ^= cur;
+        if (i & 0x02) rp3 ^= cur; else rp2 ^= cur;
+        if (i & 0x04) rp5 ^= cur; else rp4 ^= cur;
+        if (i & 0x08) rp7 ^= cur; else rp6 ^= cur;
+        if (i & 0x10) rp9 ^= cur; else rp8 ^= cur;
+        if (i & 0x20) rp11 ^= cur; else rp10 ^= cur;
+        if (i & 0x40) rp13 ^= cur; else rp12 ^= cur;
+        if (i & 0x80) rp15 ^= cur; else rp14 ^= cur;
+    }
+    code[0] =
+        (parity[rp7] << 7) |
+        (parity[rp6] << 6) |
+        (parity[rp5] << 5) |
+        (parity[rp4] << 4) |
+        (parity[rp3] << 3) |
+        (parity[rp2] << 2) |
+        (parity[rp1] << 1) |
+        (parity[rp0]);
+    code[1] =
+        (parity[rp15] << 7) |
+        (parity[rp14] << 6) |
+        (parity[rp13] << 5) |
+        (parity[rp12] << 4) |
+        (parity[rp11] << 3) |
+        (parity[rp10] << 2) |
+        (parity[rp9]  << 1) |
+        (parity[rp8]);
+    code[2] =
+        (parity[par & 0xf0] << 7) |
+        (parity[par & 0x0f] << 6) |
+        (parity[par & 0xcc] << 5) |
+        (parity[par & 0x33] << 4) |
+        (parity[par & 0xaa] << 3) |
+        (parity[par & 0x55] << 2);
+    code[0] = ~code[0];
+    code[1] = ~code[1];
+    code[2] = ~code[2];
+}
+
+Still pretty straightforward. The last three invert statements are there to
+give a checksum of 0xff 0xff 0xff for an empty flash. In an empty flash
+all data is 0xff, so the checksum then matches.
+
+I also introduced the parity lookup. I expected this to be the fastest
+way to calculate the parity, but I will investigate alternatives later
+on.
+
+
+Analysis 1
+==========
+
+The code works, but is not terribly efficient. On my system it took
+almost 4 times as much time as the linux driver code. But hey, if it was
+*that* easy this would have been done long before.
+No pain. no gain.
+
+Fortunately there is plenty of room for improvement.
+
+In step 1 we moved from bit-wise calculation to byte-wise calculation.
+However in C we can also use the unsigned long data type and virtually
+every modern microprocessor supports 32 bit operations, so why not try
+to write our code in such a way that we process data in 32 bit chunks.
+
+Of course this means some modification as the row parity is byte by
+byte. A quick analysis:
+for the column parity we use the par variable. When extending to 32 bits
+we can in the end easily calculate p0 and p1 from it.
+(because par now consists of 4 bytes, contributing to rp1, rp0, rp1, rp0
+respectively)
+also rp2 and rp3 can be easily retrieved from par as rp3 covers the
+first two bytes and rp2 the last two bytes.
+
+Note that of course now the loop is executed only 64 times (256/4).
+And note that care must taken wrt byte ordering. The way bytes are
+ordered in a long is machine dependent, and might affect us.
+Anyway, if there is an issue: this code is developed on x86 (to be
+precise: a DELL PC with a D920 Intel CPU)
+
+And of course the performance might depend on alignment, but I expect
+that the I/O buffers in the nand driver are aligned properly (and
+otherwise that should be fixed to get maximum performance).
+
+Let's give it a try...
+
+
+Attempt 2
+=========
+
+extern const char parity[256];
+
+void ecc2(const unsigned char *buf, unsigned char *code)
+{
+    int i;
+    const unsigned long *bp = (unsigned long *)buf;
+    unsigned long cur;
+    unsigned long rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7;
+    unsigned long rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15;
+    unsigned long par;
+
+    par = 0;
+    rp0 = 0; rp1 = 0; rp2 = 0; rp3 = 0;
+    rp4 = 0; rp5 = 0; rp6 = 0; rp7 = 0;
+    rp8 = 0; rp9 = 0; rp10 = 0; rp11 = 0;
+    rp12 = 0; rp13 = 0; rp14 = 0; rp15 = 0;
+
+    for (i = 0; i < 64; i++)
+    {
+        cur = *bp++;
+        par ^= cur;
+        if (i & 0x01) rp5 ^= cur; else rp4 ^= cur;
+        if (i & 0x02) rp7 ^= cur; else rp6 ^= cur;
+        if (i & 0x04) rp9 ^= cur; else rp8 ^= cur;
+        if (i & 0x08) rp11 ^= cur; else rp10 ^= cur;
+        if (i & 0x10) rp13 ^= cur; else rp12 ^= cur;
+        if (i & 0x20) rp15 ^= cur; else rp14 ^= cur;
+    }
+    /*
+       we need to adapt the code generation for the fact that rp vars are now
+       long; also the column parity calculation needs to be changed.
+       we'll bring rp4 to 15 back to single byte entities by shifting and
+       xoring
+    */
+    rp4 ^= (rp4 >> 16); rp4 ^= (rp4 >> 8); rp4 &= 0xff;
+    rp5 ^= (rp5 >> 16); rp5 ^= (rp5 >> 8); rp5 &= 0xff;
+    rp6 ^= (rp6 >> 16); rp6 ^= (rp6 >> 8); rp6 &= 0xff;
+    rp7 ^= (rp7 >> 16); rp7 ^= (rp7 >> 8); rp7 &= 0xff;
+    rp8 ^= (rp8 >> 16); rp8 ^= (rp8 >> 8); rp8 &= 0xff;
+    rp9 ^= (rp9 >> 16); rp9 ^= (rp9 >> 8); rp9 &= 0xff;
+    rp10 ^= (rp10 >> 16); rp10 ^= (rp10 >> 8); rp10 &= 0xff;
+    rp11 ^= (rp11 >> 16); rp11 ^= (rp11 >> 8); rp11 &= 0xff;
+    rp12 ^= (rp12 >> 16); rp12 ^= (rp12 >> 8); rp12 &= 0xff;
+    rp13 ^= (rp13 >> 16); rp13 ^= (rp13 >> 8); rp13 &= 0xff;
+    rp14 ^= (rp14 >> 16); rp14 ^= (rp14 >> 8); rp14 &= 0xff;
+    rp15 ^= (rp15 >> 16); rp15 ^= (rp15 >> 8); rp15 &= 0xff;
+    rp3 = (par >> 16); rp3 ^= (rp3 >> 8); rp3 &= 0xff;
+    rp2 = par & 0xffff; rp2 ^= (rp2 >> 8); rp2 &= 0xff;
+    par ^= (par >> 16);
+    rp1 = (par >> 8); rp1 &= 0xff;
+    rp0 = (par & 0xff);
+    par ^= (par >> 8); par &= 0xff;
+
+    code[0] =
+        (parity[rp7] << 7) |
+        (parity[rp6] << 6) |
+        (parity[rp5] << 5) |
+        (parity[rp4] << 4) |
+        (parity[rp3] << 3) |
+        (parity[rp2] << 2) |
+        (parity[rp1] << 1) |
+        (parity[rp0]);
+    code[1] =
+        (parity[rp15] << 7) |
+        (parity[rp14] << 6) |
+        (parity[rp13] << 5) |
+        (parity[rp12] << 4) |
+        (parity[rp11] << 3) |
+        (parity[rp10] << 2) |
+        (parity[rp9]  << 1) |
+        (parity[rp8]);
+    code[2] =
+        (parity[par & 0xf0] << 7) |
+        (parity[par & 0x0f] << 6) |
+        (parity[par & 0xcc] << 5) |
+        (parity[par & 0x33] << 4) |
+        (parity[par & 0xaa] << 3) |
+        (parity[par & 0x55] << 2);
+    code[0] = ~code[0];
+    code[1] = ~code[1];
+    code[2] = ~code[2];
+}
+
+The parity array is not shown any more. Note also that for these
+examples I kinda deviated from my regular programming style by allowing
+multiple statements on a line, not using { } in then and else blocks
+with only a single statement and by using operators like ^=
+
+
+Analysis 2
+==========
+
+The code (of course) works, and hurray: we are a little bit faster than
+the linux driver code (about 15%). But wait, don't cheer too quickly.
+THere is more to be gained.
+If we look at e.g. rp14 and rp15 we see that we either xor our data with
+rp14 or with rp15. However we also have par which goes over all data.
+This means there is no need to calculate rp14 as it can be calculated from
+rp15 through rp14 = par ^ rp15;
+(or if desired we can avoid calculating rp15 and calculate it from
+rp14).  That is why some places refer to inverse parity.
+Of course the same thing holds for rp4/5, rp6/7, rp8/9, rp10/11 and rp12/13.
+Effectively this means we can eliminate the else clause from the if
+statements. Also we can optimise the calculation in the end a little bit
+by going from long to byte first. Actually we can even avoid the table
+lookups
+
+Attempt 3
+=========
+
+Odd replaced:
+        if (i & 0x01) rp5 ^= cur; else rp4 ^= cur;
+        if (i & 0x02) rp7 ^= cur; else rp6 ^= cur;
+        if (i & 0x04) rp9 ^= cur; else rp8 ^= cur;
+        if (i & 0x08) rp11 ^= cur; else rp10 ^= cur;
+        if (i & 0x10) rp13 ^= cur; else rp12 ^= cur;
+        if (i & 0x20) rp15 ^= cur; else rp14 ^= cur;
+with
+        if (i & 0x01) rp5 ^= cur;
+        if (i & 0x02) rp7 ^= cur;
+        if (i & 0x04) rp9 ^= cur;
+        if (i & 0x08) rp11 ^= cur;
+        if (i & 0x10) rp13 ^= cur;
+        if (i & 0x20) rp15 ^= cur;
+
+        and outside the loop added:
+    rp4  = par ^ rp5;
+    rp6  = par ^ rp7;
+    rp8  = par ^ rp9;
+    rp10  = par ^ rp11;
+    rp12  = par ^ rp13;
+    rp14  = par ^ rp15;
+
+And after that the code takes about 30% more time, although the number of
+statements is reduced. This is also reflected in the assembly code.
+
+
+Analysis 3
+==========
+
+Very weird. Guess it has to do with caching or instruction parallellism
+or so. I also tried on an eeePC (Celeron, clocked at 900 Mhz). Interesting
+observation was that this one is only 30% slower (according to time)
+executing the code as my 3Ghz D920 processor.
+
+Well, it was expected not to be easy so maybe instead move to a
+different track: let's move back to the code from attempt2 and do some
+loop unrolling. This will eliminate a few if statements. I'll try
+different amounts of unrolling to see what works best.
+
+
+Attempt 4
+=========
+
+Unrolled the loop 1, 2, 3 and 4 times.
+For 4 the code starts with:
+
+    for (i = 0; i < 4; i++)
+    {
+        cur = *bp++;
+        par ^= cur;
+        rp4 ^= cur;
+        rp6 ^= cur;
+        rp8 ^= cur;
+        rp10 ^= cur;
+        if (i & 0x1) rp13 ^= cur; else rp12 ^= cur;
+        if (i & 0x2) rp15 ^= cur; else rp14 ^= cur;
+        cur = *bp++;
+        par ^= cur;
+        rp5 ^= cur;
+        rp6 ^= cur;
+        ...
+
+
+Analysis 4
+==========
+
+Unrolling once gains about 15%
+Unrolling twice keeps the gain at about 15%
+Unrolling three times gives a gain of 30% compared to attempt 2.
+Unrolling four times gives a marginal improvement compared to unrolling
+three times.
+
+I decided to proceed with a four time unrolled loop anyway. It was my gut
+feeling that in the next steps I would obtain additional gain from it.
+
+The next step was triggered by the fact that par contains the xor of all
+bytes and rp4 and rp5 each contain the xor of half of the bytes.
+So in effect par = rp4 ^ rp5. But as xor is commutative we can also say
+that rp5 = par ^ rp4. So no need to keep both rp4 and rp5 around. We can
+eliminate rp5 (or rp4, but I already foresaw another optimisation).
+The same holds for rp6/7, rp8/9, rp10/11 rp12/13 and rp14/15.
+
+
+Attempt 5
+=========
+
+Effectively so all odd digit rp assignments in the loop were removed.
+This included the else clause of the if statements.
+Of course after the loop we need to correct things by adding code like:
+    rp5 = par ^ rp4;
+Also the initial assignments (rp5 = 0; etc) could be removed.
+Along the line I also removed the initialisation of rp0/1/2/3.
+
+
+Analysis 5
+==========
+
+Measurements showed this was a good move. The run-time roughly halved
+compared with attempt 4 with 4 times unrolled, and we only require 1/3rd
+of the processor time compared to the current code in the linux kernel.
+
+However, still I thought there was more. I didn't like all the if
+statements. Why not keep a running parity and only keep the last if
+statement. Time for yet another version!
+
+
+Attempt 6
+=========
+
+THe code within the for loop was changed to:
+
+    for (i = 0; i < 4; i++)
+    {
+        cur = *bp++; tmppar  = cur; rp4 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= tmppar;
+        cur = *bp++; tmppar ^= cur; rp4 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp8 ^= tmppar;
+
+        cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp6 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= cur;
+	    cur = *bp++; tmppar ^= cur; rp4 ^= cur;
+	    cur = *bp++; tmppar ^= cur; rp10 ^= tmppar;
+
+	    cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp6 ^= cur; rp8 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= cur; rp8 ^= cur;
+	    cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp8 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp8 ^= cur;
+
+        cur = *bp++; tmppar ^= cur; rp4 ^= cur; rp6 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp4 ^= cur;
+        cur = *bp++; tmppar ^= cur;
+
+	    par ^= tmppar;
+        if ((i & 0x1) == 0) rp12 ^= tmppar;
+        if ((i & 0x2) == 0) rp14 ^= tmppar;
+    }
+
+As you can see tmppar is used to accumulate the parity within a for
+iteration. In the last 3 statements is is added to par and, if needed,
+to rp12 and rp14.
+
+While making the changes I also found that I could exploit that tmppar
+contains the running parity for this iteration. So instead of having:
+rp4 ^= cur; rp6 = cur;
+I removed the rp6 = cur; statement and did rp6 ^= tmppar; on next
+statement. A similar change was done for rp8 and rp10
+
+
+Analysis 6
+==========
+
+Measuring this code again showed big gain. When executing the original
+linux code 1 million times, this took about 1 second on my system.
+(using time to measure the performance). After this iteration I was back
+to 0.075 sec. Actually I had to decide to start measuring over 10
+million interations in order not to loose too much accuracy. This one
+definitely seemed to be the jackpot!
+
+There is a little bit more room for improvement though. There are three
+places with statements:
+rp4 ^= cur; rp6 ^= cur;
+It seems more efficient to also maintain a variable rp4_6 in the while
+loop; This eliminates 3 statements per loop. Of course after the loop we
+need to correct by adding:
+    rp4 ^= rp4_6;
+    rp6 ^= rp4_6
+Furthermore there are 4 sequential assingments to rp8. This can be
+encoded slightly more efficient by saving tmppar before those 4 lines
+and later do rp8 = rp8 ^ tmppar ^ notrp8;
+(where notrp8 is the value of rp8 before those 4 lines).
+Again a use of the commutative property of xor.
+Time for a new test!
+
+
+Attempt 7
+=========
+
+The new code now looks like:
+
+    for (i = 0; i < 4; i++)
+    {
+        cur = *bp++; tmppar  = cur; rp4 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= tmppar;
+        cur = *bp++; tmppar ^= cur; rp4 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp8 ^= tmppar;
+
+        cur = *bp++; tmppar ^= cur; rp4_6 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= cur;
+	    cur = *bp++; tmppar ^= cur; rp4 ^= cur;
+	    cur = *bp++; tmppar ^= cur; rp10 ^= tmppar;
+
+	    notrp8 = tmppar;
+	    cur = *bp++; tmppar ^= cur; rp4_6 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= cur;
+	    cur = *bp++; tmppar ^= cur; rp4 ^= cur;
+        cur = *bp++; tmppar ^= cur;
+	    rp8 = rp8 ^ tmppar ^ notrp8;
+
+        cur = *bp++; tmppar ^= cur; rp4_6 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp6 ^= cur;
+        cur = *bp++; tmppar ^= cur; rp4 ^= cur;
+        cur = *bp++; tmppar ^= cur;
+
+	    par ^= tmppar;
+        if ((i & 0x1) == 0) rp12 ^= tmppar;
+        if ((i & 0x2) == 0) rp14 ^= tmppar;
+    }
+    rp4 ^= rp4_6;
+    rp6 ^= rp4_6;
+
+
+Not a big change, but every penny counts :-)
+
+
+Analysis 7
+==========
+
+Acutally this made things worse. Not very much, but I don't want to move
+into the wrong direction. Maybe something to investigate later. Could
+have to do with caching again.
+
+Guess that is what there is to win within the loop. Maybe unrolling one
+more time will help. I'll keep the optimisations from 7 for now.
+
+
+Attempt 8
+=========
+
+Unrolled the loop one more time.
+
+
+Analysis 8
+==========
+
+This makes things worse. Let's stick with attempt 6 and continue from there.
+Although it seems that the code within the loop cannot be optimised
+further there is still room to optimize the generation of the ecc codes.
+We can simply calcualate the total parity. If this is 0 then rp4 = rp5
+etc. If the parity is 1, then rp4 = !rp5;
+But if rp4 = rp5 we do not need rp5 etc. We can just write the even bits
+in the result byte and then do something like
+    code[0] |= (code[0] << 1);
+Lets test this.
+
+
+Attempt 9
+=========
+
+Changed the code but again this slightly degrades performance. Tried all
+kind of other things, like having dedicated parity arrays to avoid the
+shift after parity[rp7] << 7; No gain.
+Change the lookup using the parity array by using shift operators (e.g.
+replace parity[rp7] << 7 with:
+rp7 ^= (rp7 << 4);
+rp7 ^= (rp7 << 2);
+rp7 ^= (rp7 << 1);
+rp7 &= 0x80;
+No gain.
+
+The only marginal change was inverting the parity bits, so we can remove
+the last three invert statements.
+
+Ah well, pity this does not deliver more. Then again 10 million
+iterations using the linux driver code takes between 13 and 13.5
+seconds, whereas my code now takes about 0.73 seconds for those 10
+million iterations. So basically I've improved the performance by a
+factor 18 on my system. Not that bad. Of course on different hardware
+you will get different results. No warranties!
+
+But of course there is no such thing as a free lunch. The codesize almost
+tripled (from 562 bytes to 1434 bytes). Then again, it is not that much.
+
+
+Correcting errors
+=================
+
+For correcting errors I again used the ST application note as a starter,
+but I also peeked at the existing code.
+The algorithm itself is pretty straightforward. Just xor the given and
+the calculated ecc. If all bytes are 0 there is no problem. If 11 bits
+are 1 we have one correctable bit error. If there is 1 bit 1, we have an
+error in the given ecc code.
+It proved to be fastest to do some table lookups. Performance gain
+introduced by this is about a factor 2 on my system when a repair had to
+be done, and 1% or so if no repair had to be done.
+Code size increased from 330 bytes to 686 bytes for this function.
+(gcc 4.2, -O3)
+
+
+Conclusion
+==========
+
+The gain when calculating the ecc is tremendous. Om my development hardware
+a speedup of a factor of 18 for ecc calculation was achieved. On a test on an
+embedded system with a MIPS core a factor 7 was obtained.
+On  a test with a Linksys NSLU2 (ARMv5TE processor) the speedup was a factor
+5 (big endian mode, gcc 4.1.2, -O3)
+For correction not much gain could be obtained (as bitflips are rare). Then
+again there are also much less cycles spent there.
+
+It seems there is not much more gain possible in this, at least when
+programmed in C. Of course it might be possible to squeeze something more
+out of it with an assembler program, but due to pipeline behaviour etc
+this is very tricky (at least for intel hw).
+
+Author: Frans Meulenbroeks
+Copyright (C) 2008 Koninklijke Philips Electronics NV.
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 918a806a847..7129da51bb3 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -1,13 +1,18 @@
 /*
- * This file contains an ECC algorithm from Toshiba that detects and
- * corrects 1 bit errors in a 256 byte block of data.
+ * This file contains an ECC algorithm that detects and corrects 1 bit
+ * errors in a 256 byte block of data.
  *
  * drivers/mtd/nand/nand_ecc.c
  *
- * Copyright (C) 2000-2004 Steven J. Hill (sjhill@realitydiluted.com)
- *                         Toshiba America Electronics Components, Inc.
+ * Copyright (C) 2008 Koninklijke Philips Electronics NV.
+ *                    Author: Frans Meulenbroeks
  *
- * Copyright (C) 2006 Thomas Gleixner <tglx@linutronix.de>
+ * Completely replaces the previous ECC implementation which was written by:
+ *   Steven J. Hill (sjhill@realitydiluted.com)
+ *   Thomas Gleixner (tglx@linutronix.de)
+ *
+ * Information on how this algorithm works and how it was developed
+ * can be found in Documentation/nand/ecc.txt
  *
  * This file is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -23,174 +28,417 @@
  * with this file; if not, write to the Free Software Foundation, Inc.,
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  *
- * As a special exception, if other files instantiate templates or use
- * macros or inline functions from these files, or you compile these
- * files and link them with other works to produce a work based on these
- * files, these files do not by themselves cause the resulting work to be
- * covered by the GNU General Public License. However the source code for
- * these files must still be made available in accordance with section (3)
- * of the GNU General Public License.
- *
- * This exception does not invalidate any other reasons why a work based on
- * this file might be covered by the GNU General Public License.
  */
 
+/*
+ * The STANDALONE macro is useful when running the code outside the kernel
+ * e.g. when running the code in a testbed or a benchmark program.
+ * When STANDALONE is used, the module related macros are commented out
+ * as well as the linux include files.
+ * Instead a private definition of mtd_into is given to satisfy the compiler
+ * (the code does not use mtd_info, so the code does not care)
+ */
+#ifndef STANDALONE
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mtd/nand_ecc.h>
+#else
+typedef uint32_t unsigned long
+struct mtd_info {
+	int dummy;
+};
+#define EXPORT_SYMBOL(x)  /* x */
+
+#define MODULE_LICENSE(x)	/* x */
+#define MODULE_AUTHOR(x)	/* x */
+#define MODULE_DESCRIPTION(x)	/* x */
+#endif
+
+/*
+ * invparity is a 256 byte table that contains the odd parity
+ * for each byte. So if the number of bits in a byte is even,
+ * the array element is 1, and when the number of bits is odd
+ * the array eleemnt is 0.
+ */
+static const char invparity[256] = {
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0,
+	1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1
+};
 
 /*
- * Pre-calculated 256-way 1 byte column parity
+ * bitsperbyte contains the number of bits per byte
+ * this is only used for testing and repairing parity
+ * (a precalculated value slightly improves performance)
  */
-static const u_char nand_ecc_precalc_table[] = {
-	0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00,
-	0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
-	0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
-	0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
-	0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
-	0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
-	0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
-	0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
-	0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
-	0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
-	0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
-	0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
-	0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
-	0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
-	0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
-	0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00
+static const char bitsperbyte[256] = {
+	0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4,
+	1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+	1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+	2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+	1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+	2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+	2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+	3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+	1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5,
+	2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+	2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+	3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+	2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6,
+	3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+	3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7,
+	4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8,
+};
+
+/*
+ * addressbits is a lookup table to filter out the bits from the xor-ed
+ * ecc data that identify the faulty location.
+ * this is only used for repairing parity
+ * see the comments in nand_correct_data for more details
+ */
+static const char addressbits[256] = {
+	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01,
+	0x02, 0x02, 0x03, 0x03, 0x02, 0x02, 0x03, 0x03,
+	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+	0x04, 0x04, 0x05, 0x05, 0x04, 0x04, 0x05, 0x05,
+	0x06, 0x06, 0x07, 0x07, 0x06, 0x06, 0x07, 0x07,
+	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
+	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
+	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+	0x08, 0x08, 0x09, 0x09, 0x08, 0x08, 0x09, 0x09,
+	0x0a, 0x0a, 0x0b, 0x0b, 0x0a, 0x0a, 0x0b, 0x0b,
+	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f,
+	0x0c, 0x0c, 0x0d, 0x0d, 0x0c, 0x0c, 0x0d, 0x0d,
+	0x0e, 0x0e, 0x0f, 0x0f, 0x0e, 0x0e, 0x0f, 0x0f
 };
 
 /**
  * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block
- * @mtd:	MTD block structure
+ * @mtd:	MTD block structure (unused)
  * @dat:	raw data
  * @ecc_code:	buffer for ECC
  */
-int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
-		       u_char *ecc_code)
+int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
+		       unsigned char *code)
 {
-	uint8_t idx, reg1, reg2, reg3, tmp1, tmp2;
 	int i;
+	const uint32_t *bp = (uint32_t *)buf;
+	uint32_t cur;		/* current value in buffer */
+	/* rp0..rp15 are the various accumulated parities (per byte) */
+	uint32_t rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7;
+	uint32_t rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15;
+	uint32_t par;		/* the cumulative parity for all data */
+	uint32_t tmppar;	/* the cumulative parity for this iteration;
+				   for rp12 and rp14 at the end of the loop */
+
+	par = 0;
+	rp4 = 0;
+	rp6 = 0;
+	rp8 = 0;
+	rp10 = 0;
+	rp12 = 0;
+	rp14 = 0;
+
+	/*
+	 * The loop is unrolled a number of times;
+	 * This avoids if statements to decide on which rp value to update
+	 * Also we process the data by longwords.
+	 * Note: passing unaligned data might give a performance penalty.
+	 * It is assumed that the buffers are aligned.
+	 * tmppar is the cumulative sum of this iteration.
+	 * needed for calculating rp12, rp14 and par
+	 * also used as a performance improvement for rp6, rp8 and rp10
+	 */
+	for (i = 0; i < 4; i++) {
+		cur = *bp++;
+		tmppar = cur;
+		rp4 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp6 ^= tmppar;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp4 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp8 ^= tmppar;
 
-	/* Initialize variables */
-	reg1 = reg2 = reg3 = 0;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp4 ^= cur;
+		rp6 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp6 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp4 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp10 ^= tmppar;
 
-	/* Build up column parity */
-	for(i = 0; i < 256; i++) {
-		/* Get CP0 - CP5 from table */
-		idx = nand_ecc_precalc_table[*dat++];
-		reg1 ^= (idx & 0x3f);
+		cur = *bp++;
+		tmppar ^= cur;
+		rp4 ^= cur;
+		rp6 ^= cur;
+		rp8 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp6 ^= cur;
+		rp8 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp4 ^= cur;
+		rp8 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp8 ^= cur;
 
-		/* All bit XOR = 1 ? */
-		if (idx & 0x40) {
-			reg3 ^= (uint8_t) i;
-			reg2 ^= ~((uint8_t) i);
-		}
+		cur = *bp++;
+		tmppar ^= cur;
+		rp4 ^= cur;
+		rp6 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp6 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+		rp4 ^= cur;
+		cur = *bp++;
+		tmppar ^= cur;
+
+		par ^= tmppar;
+		if ((i & 0x1) == 0)
+			rp12 ^= tmppar;
+		if ((i & 0x2) == 0)
+			rp14 ^= tmppar;
 	}
 
-	/* Create non-inverted ECC code from line parity */
-	tmp1  = (reg3 & 0x80) >> 0; /* B7 -> B7 */
-	tmp1 |= (reg2 & 0x80) >> 1; /* B7 -> B6 */
-	tmp1 |= (reg3 & 0x40) >> 1; /* B6 -> B5 */
-	tmp1 |= (reg2 & 0x40) >> 2; /* B6 -> B4 */
-	tmp1 |= (reg3 & 0x20) >> 2; /* B5 -> B3 */
-	tmp1 |= (reg2 & 0x20) >> 3; /* B5 -> B2 */
-	tmp1 |= (reg3 & 0x10) >> 3; /* B4 -> B1 */
-	tmp1 |= (reg2 & 0x10) >> 4; /* B4 -> B0 */
-
-	tmp2  = (reg3 & 0x08) << 4; /* B3 -> B7 */
-	tmp2 |= (reg2 & 0x08) << 3; /* B3 -> B6 */
-	tmp2 |= (reg3 & 0x04) << 3; /* B2 -> B5 */
-	tmp2 |= (reg2 & 0x04) << 2; /* B2 -> B4 */
-	tmp2 |= (reg3 & 0x02) << 2; /* B1 -> B3 */
-	tmp2 |= (reg2 & 0x02) << 1; /* B1 -> B2 */
-	tmp2 |= (reg3 & 0x01) << 1; /* B0 -> B1 */
-	tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */
-
-	/* Calculate final ECC code */
+	/*
+	 * handle the fact that we use longword operations
+	 * we'll bring rp4..rp14 back to single byte entities by shifting and
+	 * xoring first fold the upper and lower 16 bits,
+	 * then the upper and lower 8 bits.
+	 */
+	rp4 ^= (rp4 >> 16);
+	rp4 ^= (rp4 >> 8);
+	rp4 &= 0xff;
+	rp6 ^= (rp6 >> 16);
+	rp6 ^= (rp6 >> 8);
+	rp6 &= 0xff;
+	rp8 ^= (rp8 >> 16);
+	rp8 ^= (rp8 >> 8);
+	rp8 &= 0xff;
+	rp10 ^= (rp10 >> 16);
+	rp10 ^= (rp10 >> 8);
+	rp10 &= 0xff;
+	rp12 ^= (rp12 >> 16);
+	rp12 ^= (rp12 >> 8);
+	rp12 &= 0xff;
+	rp14 ^= (rp14 >> 16);
+	rp14 ^= (rp14 >> 8);
+	rp14 &= 0xff;
+
+	/*
+	 * we also need to calculate the row parity for rp0..rp3
+	 * This is present in par, because par is now
+	 * rp3 rp3 rp2 rp2
+	 * as well as
+	 * rp1 rp0 rp1 rp0
+	 * First calculate rp2 and rp3
+	 * (and yes: rp2 = (par ^ rp3) & 0xff; but doing that did not
+	 * give a performance improvement)
+	 */
+	rp3 = (par >> 16);
+	rp3 ^= (rp3 >> 8);
+	rp3 &= 0xff;
+	rp2 = par & 0xffff;
+	rp2 ^= (rp2 >> 8);
+	rp2 &= 0xff;
+
+	/* reduce par to 16 bits then calculate rp1 and rp0 */
+	par ^= (par >> 16);
+	rp1 = (par >> 8) & 0xff;
+	rp0 = (par & 0xff);
+
+	/* finally reduce par to 8 bits */
+	par ^= (par >> 8);
+	par &= 0xff;
+
+	/*
+	 * and calculate rp5..rp15
+	 * note that par = rp4 ^ rp5 and due to the commutative property
+	 * of the ^ operator we can say:
+	 * rp5 = (par ^ rp4);
+	 * The & 0xff seems superfluous, but benchmarking learned that
+	 * leaving it out gives slightly worse results. No idea why, probably
+	 * it has to do with the way the pipeline in pentium is organized.
+	 */
+	rp5 = (par ^ rp4) & 0xff;
+	rp7 = (par ^ rp6) & 0xff;
+	rp9 = (par ^ rp8) & 0xff;
+	rp11 = (par ^ rp10) & 0xff;
+	rp13 = (par ^ rp12) & 0xff;
+	rp15 = (par ^ rp14) & 0xff;
+
+	/*
+	 * Finally calculate the ecc bits.
+	 * Again here it might seem that there are performance optimisations
+	 * possible, but benchmarks showed that on the system this is developed
+	 * the code below is the fastest
+	 */
 #ifdef CONFIG_MTD_NAND_ECC_SMC
-	ecc_code[0] = ~tmp2;
-	ecc_code[1] = ~tmp1;
+	code[0] =
+	    (invparity[rp7] << 7) |
+	    (invparity[rp6] << 6) |
+	    (invparity[rp5] << 5) |
+	    (invparity[rp4] << 4) |
+	    (invparity[rp3] << 3) |
+	    (invparity[rp2] << 2) |
+	    (invparity[rp1] << 1) |
+	    (invparity[rp0]);
+	code[1] =
+	    (invparity[rp15] << 7) |
+	    (invparity[rp14] << 6) |
+	    (invparity[rp13] << 5) |
+	    (invparity[rp12] << 4) |
+	    (invparity[rp11] << 3) |
+	    (invparity[rp10] << 2) |
+	    (invparity[rp9] << 1)  |
+	    (invparity[rp8]);
 #else
-	ecc_code[0] = ~tmp1;
-	ecc_code[1] = ~tmp2;
+	code[1] =
+	    (invparity[rp7] << 7) |
+	    (invparity[rp6] << 6) |
+	    (invparity[rp5] << 5) |
+	    (invparity[rp4] << 4) |
+	    (invparity[rp3] << 3) |
+	    (invparity[rp2] << 2) |
+	    (invparity[rp1] << 1) |
+	    (invparity[rp0]);
+	code[0] =
+	    (invparity[rp15] << 7) |
+	    (invparity[rp14] << 6) |
+	    (invparity[rp13] << 5) |
+	    (invparity[rp12] << 4) |
+	    (invparity[rp11] << 3) |
+	    (invparity[rp10] << 2) |
+	    (invparity[rp9] << 1)  |
+	    (invparity[rp8]);
 #endif
-	ecc_code[2] = ((~reg1) << 2) | 0x03;
-
+	code[2] =
+	    (invparity[par & 0xf0] << 7) |
+	    (invparity[par & 0x0f] << 6) |
+	    (invparity[par & 0xcc] << 5) |
+	    (invparity[par & 0x33] << 4) |
+	    (invparity[par & 0xaa] << 3) |
+	    (invparity[par & 0x55] << 2) |
+	    3;
 	return 0;
 }
 EXPORT_SYMBOL(nand_calculate_ecc);
 
-static inline int countbits(uint32_t byte)
-{
-	int res = 0;
-
-	for (;byte; byte >>= 1)
-		res += byte & 0x01;
-	return res;
-}
-
 /**
  * nand_correct_data - [NAND Interface] Detect and correct bit error(s)
- * @mtd:	MTD block structure
+ * @mtd:	MTD block structure (unused)
  * @dat:	raw data read from the chip
  * @read_ecc:	ECC from the chip
  * @calc_ecc:	the ECC calculated from raw data
  *
  * Detect and correct a 1 bit error for 256 byte block
  */
-int nand_correct_data(struct mtd_info *mtd, u_char *dat,
-		      u_char *read_ecc, u_char *calc_ecc)
+int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
+		      unsigned char *read_ecc, unsigned char *calc_ecc)
 {
-	uint8_t s0, s1, s2;
+	int nr_bits;
+	unsigned char b0, b1, b2;
+	unsigned char byte_addr, bit_addr;
 
+	/*
+	 * b0 to b2 indicate which bit is faulty (if any)
+	 * we might need the xor result  more than once,
+	 * so keep them in a local var
+	*/
 #ifdef CONFIG_MTD_NAND_ECC_SMC
-	s0 = calc_ecc[0] ^ read_ecc[0];
-	s1 = calc_ecc[1] ^ read_ecc[1];
-	s2 = calc_ecc[2] ^ read_ecc[2];
+	b0 = read_ecc[0] ^ calc_ecc[0];
+	b1 = read_ecc[1] ^ calc_ecc[1];
 #else
-	s1 = calc_ecc[0] ^ read_ecc[0];
-	s0 = calc_ecc[1] ^ read_ecc[1];
-	s2 = calc_ecc[2] ^ read_ecc[2];
+	b0 = read_ecc[1] ^ calc_ecc[1];
+	b1 = read_ecc[0] ^ calc_ecc[0];
 #endif
-	if ((s0 | s1 | s2) == 0)
-		return 0;
-
-	/* Check for a single bit error */
-	if( ((s0 ^ (s0 >> 1)) & 0x55) == 0x55 &&
-	    ((s1 ^ (s1 >> 1)) & 0x55) == 0x55 &&
-	    ((s2 ^ (s2 >> 1)) & 0x54) == 0x54) {
-
-		uint32_t byteoffs, bitnum;
+	b2 = read_ecc[2] ^ calc_ecc[2];
 
-		byteoffs = (s1 << 0) & 0x80;
-		byteoffs |= (s1 << 1) & 0x40;
-		byteoffs |= (s1 << 2) & 0x20;
-		byteoffs |= (s1 << 3) & 0x10;
+	/* check if there are any bitfaults */
 
-		byteoffs |= (s0 >> 4) & 0x08;
-		byteoffs |= (s0 >> 3) & 0x04;
-		byteoffs |= (s0 >> 2) & 0x02;
-		byteoffs |= (s0 >> 1) & 0x01;
+	/* count nr of bits; use table lookup, faster than calculating it */
+	nr_bits = bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2];
 
-		bitnum = (s2 >> 5) & 0x04;
-		bitnum |= (s2 >> 4) & 0x02;
-		bitnum |= (s2 >> 3) & 0x01;
-
-		dat[byteoffs] ^= (1 << bitnum);
-
-		return 1;
+	/* repeated if statements are slightly more efficient than switch ... */
+	/* ordered in order of likelihood */
+	if (nr_bits == 0)
+		return (0);	/* no error */
+	if (nr_bits == 11) {	/* correctable error */
+		/*
+		 * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte
+		 * cp 5/3/1 indicate the faulty bit.
+		 * A lookup table (called addressbits) is used to filter
+		 * the bits from the byte they are in.
+		 * A marginal optimisation is possible by having three
+		 * different lookup tables.
+		 * One as we have now (for b0), one for b2
+		 * (that would avoid the >> 1), and one for b1 (with all values
+		 * << 4). However it was felt that introducing two more tables
+		 * hardly justify the gain.
+		 *
+		 * The b2 shift is there to get rid of the lowest two bits.
+		 * We could also do addressbits[b2] >> 1 but for the
+		 * performace it does not make any difference
+		 */
+		byte_addr = (addressbits[b1] << 4) + addressbits[b0];
+		bit_addr = addressbits[b2 >> 2];
+		/* flip the bit */
+		buf[byte_addr] ^= (1 << bit_addr);
+		return (1);
 	}
-
-	if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1)
-		return 1;
-
-	return -EBADMSG;
+	if (nr_bits == 1)
+		return (1);	/* error in ecc data; no action needed */
+	return -1;
 }
 EXPORT_SYMBOL(nand_correct_data);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Steven J. Hill <sjhill@realitydiluted.com>");
+MODULE_AUTHOR("Frans Meulenbroeks <fransmeulenbroeks@gmail.com>");
 MODULE_DESCRIPTION("Generic NAND ECC support");
-- 
GitLab


From ccbcd6cba5ef6e071deb072188ad044921f6b91e Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sat, 16 Aug 2008 11:01:31 +0100
Subject: [PATCH 0026/2224] [MTD] [NAND] Minor cleanup of nand_ecc.c

Make the standalone stuff a little cleaner, fix some checkpatch warnings.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_ecc.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 7129da51bb3..a8e8413ca2b 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -4,15 +4,15 @@
  *
  * drivers/mtd/nand/nand_ecc.c
  *
- * Copyright (C) 2008 Koninklijke Philips Electronics NV.
- *                    Author: Frans Meulenbroeks
+ * Copyright © 2008 Koninklijke Philips Electronics NV.
+ *                  Author: Frans Meulenbroeks
  *
  * Completely replaces the previous ECC implementation which was written by:
  *   Steven J. Hill (sjhill@realitydiluted.com)
  *   Thomas Gleixner (tglx@linutronix.de)
  *
  * Information on how this algorithm works and how it was developed
- * can be found in Documentation/nand/ecc.txt
+ * can be found in Documentation/mtd/nand_ecc.txt
  *
  * This file is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -35,7 +35,7 @@
  * e.g. when running the code in a testbed or a benchmark program.
  * When STANDALONE is used, the module related macros are commented out
  * as well as the linux include files.
- * Instead a private definition of mtd_into is given to satisfy the compiler
+ * Instead a private definition of mtd_info is given to satisfy the compiler
  * (the code does not use mtd_info, so the code does not care)
  */
 #ifndef STANDALONE
@@ -44,10 +44,8 @@
 #include <linux/module.h>
 #include <linux/mtd/nand_ecc.h>
 #else
-typedef uint32_t unsigned long
-struct mtd_info {
-	int dummy;
-};
+#include <stdint.h>
+struct mtd_info;
 #define EXPORT_SYMBOL(x)  /* x */
 
 #define MODULE_LICENSE(x)	/* x */
@@ -409,7 +407,7 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 	/* repeated if statements are slightly more efficient than switch ... */
 	/* ordered in order of likelihood */
 	if (nr_bits == 0)
-		return (0);	/* no error */
+		return 0;	/* no error */
 	if (nr_bits == 11) {	/* correctable error */
 		/*
 		 * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte
@@ -431,10 +429,10 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 		bit_addr = addressbits[b2 >> 2];
 		/* flip the bit */
 		buf[byte_addr] ^= (1 << bit_addr);
-		return (1);
+		return 1;
 	}
 	if (nr_bits == 1)
-		return (1);	/* error in ecc data; no action needed */
+		return 1;	/* error in ecc data; no action needed */
 	return -1;
 }
 EXPORT_SYMBOL(nand_correct_data);
-- 
GitLab


From 8ee991dd343df57910ff6947696afada9f02bf7e Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sun, 17 Aug 2008 07:50:44 +0800
Subject: [PATCH 0027/2224] [MTD] removed unused #include <version.h>

The drivers below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
  drivers/mtd/maps/amd76xrom.c
  drivers/mtd/maps/ck804xrom.c
  drivers/mtd/maps/esb2rom.c

This patch removes the said #include <version.h>.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/amd76xrom.c | 1 -
 drivers/mtd/maps/ck804xrom.c | 1 -
 drivers/mtd/maps/esb2rom.c   | 1 -
 3 files changed, 3 deletions(-)

diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c
index 948b86f35ef..d1eec7d3243 100644
--- a/drivers/mtd/maps/amd76xrom.c
+++ b/drivers/mtd/maps/amd76xrom.c
@@ -6,7 +6,6 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c
index effaf7cdefa..1a6feb4474d 100644
--- a/drivers/mtd/maps/ck804xrom.c
+++ b/drivers/mtd/maps/ck804xrom.c
@@ -9,7 +9,6 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <asm/io.h>
diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c
index aa64a475278..bbbcdd4c8d1 100644
--- a/drivers/mtd/maps/esb2rom.c
+++ b/drivers/mtd/maps/esb2rom.c
@@ -12,7 +12,6 @@
 
 #include <linux/module.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <asm/io.h>
-- 
GitLab


From 75caf6b5acc6b895df9bdd36db631220e1096e9f Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 18 Aug 2008 16:23:53 +0100
Subject: [PATCH 0028/2224] [JFFS2] Fill in f_fsid field in jffs2_statfs()

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/fs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 086c4383022..89e9b735d8d 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -207,6 +207,8 @@ int jffs2_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_files = 0;
 	buf->f_ffree = 0;
 	buf->f_namelen = JFFS2_MAX_NAME_LEN;
+	buf->f_fsid.val[0] = JFFS2_SUPER_MAGIC;
+	buf->f_fsid.val[1] = c->mtd->index;
 
 	spin_lock(&c->erase_completion_lock);
 	avail = c->dirty_size + c->free_size;
-- 
GitLab


From 1077be58ad7baadd86e47e8b4f6209fa5b6364a5 Mon Sep 17 00:00:00 2001
From: frans <fransmeulenbroeks@gmail.com>
Date: Wed, 20 Aug 2008 21:11:50 +0200
Subject: [PATCH 0029/2224] [MTD] [NAND] nand_ecc.c: fix big endian, strengthen
 test, add printk

This patch for nand_ecc.c fixes three issues

- fix code so it also works on big endian architectures
- added a printk in case of an uncorrectable ecc error
- strengthen the test for correctable errors (decreasing the chance
  that multiple bit faults by accident will be seen as correctable)

Note: the big endian code is only tested in a testbed (running on big endian
hardware) as I cannot rebuild and test a big endian kernel at the moment.
However the only thing that can go wrong is if <asm/byteorder.h> does not
give __BIG_ENDIAN in that case. In my eyes very unlikely.

Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_ecc.c | 44 +++++++++++++++++++++++++++----------
 1 file changed, 33 insertions(+), 11 deletions(-)

diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index a8e8413ca2b..d99e569e999 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -43,6 +43,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mtd/nand_ecc.h>
+#include <asm/byteorder.h>
 #else
 #include <stdint.h>
 struct mtd_info;
@@ -51,6 +52,9 @@ struct mtd_info;
 #define MODULE_LICENSE(x)	/* x */
 #define MODULE_AUTHOR(x)	/* x */
 #define MODULE_DESCRIPTION(x)	/* x */
+
+#define printk printf
+#define KERN_ERR		""
 #endif
 
 /*
@@ -273,24 +277,38 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 	/*
 	 * we also need to calculate the row parity for rp0..rp3
 	 * This is present in par, because par is now
-	 * rp3 rp3 rp2 rp2
+	 * rp3 rp3 rp2 rp2 in little endian and
+	 * rp2 rp2 rp3 rp3 in big endian
 	 * as well as
-	 * rp1 rp0 rp1 rp0
+	 * rp1 rp0 rp1 rp0 in little endian and
+	 * rp0 rp1 rp0 rp1 in big endian
 	 * First calculate rp2 and rp3
-	 * (and yes: rp2 = (par ^ rp3) & 0xff; but doing that did not
-	 * give a performance improvement)
 	 */
+#ifdef __BIG_ENDIAN
+	rp2 = (par >> 16);
+	rp2 ^= (rp2 >> 8);
+	rp2 &= 0xff;
+	rp3 = par & 0xffff;
+	rp3 ^= (rp3 >> 8);
+	rp3 &= 0xff;
+#else
 	rp3 = (par >> 16);
 	rp3 ^= (rp3 >> 8);
 	rp3 &= 0xff;
 	rp2 = par & 0xffff;
 	rp2 ^= (rp2 >> 8);
 	rp2 &= 0xff;
+#endif
 
 	/* reduce par to 16 bits then calculate rp1 and rp0 */
 	par ^= (par >> 16);
+#ifdef __BIG_ENDIAN
+	rp0 = (par >> 8) & 0xff;
+	rp1 = (par & 0xff);
+#else
 	rp1 = (par >> 8) & 0xff;
 	rp0 = (par & 0xff);
+#endif
 
 	/* finally reduce par to 8 bits */
 	par ^= (par >> 8);
@@ -381,7 +399,6 @@ EXPORT_SYMBOL(nand_calculate_ecc);
 int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 		      unsigned char *read_ecc, unsigned char *calc_ecc)
 {
-	int nr_bits;
 	unsigned char b0, b1, b2;
 	unsigned char byte_addr, bit_addr;
 
@@ -401,14 +418,15 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 
 	/* check if there are any bitfaults */
 
-	/* count nr of bits; use table lookup, faster than calculating it */
-	nr_bits = bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2];
-
 	/* repeated if statements are slightly more efficient than switch ... */
 	/* ordered in order of likelihood */
-	if (nr_bits == 0)
+
+	if ((b0 | b1 | b2) == 0)
 		return 0;	/* no error */
-	if (nr_bits == 11) {	/* correctable error */
+
+	if ((((b0 ^ (b0 >> 1)) & 0x55) == 0x55) &&
+	    (((b1 ^ (b1 >> 1)) & 0x55) == 0x55) &&
+	    (((b2 ^ (b2 >> 1)) & 0x54) == 0x54)) { /* single bit error */
 		/*
 		 * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte
 		 * cp 5/3/1 indicate the faulty bit.
@@ -430,9 +448,13 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 		/* flip the bit */
 		buf[byte_addr] ^= (1 << bit_addr);
 		return 1;
+
 	}
-	if (nr_bits == 1)
+	/* count nr of bits; use table lookup, faster than calculating it */
+	if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1)
 		return 1;	/* error in ecc data; no action needed */
+
+	printk(KERN_ERR "uncorrectable error : ");
 	return -1;
 }
 EXPORT_SYMBOL(nand_correct_data);
-- 
GitLab


From 17c1d2be28e485c0c8b09661db39d5bf2605069d Mon Sep 17 00:00:00 2001
From: Alexey Korolev <akorolev@infradead.org>
Date: Wed, 20 Aug 2008 22:32:08 +0100
Subject: [PATCH 0030/2224] [MTD] [NAND] Fix missing kernel-doc

[Reported by Randy Dunlap]

Signed-off-by: Alexey Korolev <akorolev@infradead.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 6 +++---
 drivers/mtd/nand/nand_ecc.c  | 6 +++---
 include/linux/mtd/nand.h     | 1 +
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 582280560c8..d303db39c48 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -801,9 +801,9 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
  * nand_read_subpage - [REPLACABLE] software ecc based sub-page read function
  * @mtd:	mtd info structure
  * @chip:	nand chip info structure
- * @dataofs	offset of requested data within the page
- * @readlen	data length
- * @buf:	buffer to store read data
+ * @data_offs:	offset of requested data within the page
+ * @readlen:	data length
+ * @bufpoi:	buffer to store read data
  */
 static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi)
 {
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index d99e569e999..fd19787c9ce 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -150,8 +150,8 @@ static const char addressbits[256] = {
 /**
  * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block
  * @mtd:	MTD block structure (unused)
- * @dat:	raw data
- * @ecc_code:	buffer for ECC
+ * @buf:	input buffer with raw data
+ * @code:	output buffer with ECC
  */
 int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 		       unsigned char *code)
@@ -390,7 +390,7 @@ EXPORT_SYMBOL(nand_calculate_ecc);
 /**
  * nand_correct_data - [NAND Interface] Detect and correct bit error(s)
  * @mtd:	MTD block structure (unused)
- * @dat:	raw data read from the chip
+ * @buf:	raw data read from the chip
  * @read_ecc:	ECC from the chip
  * @calc_ecc:	the ECC calculated from raw data
  *
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 81774e5facf..733d3f3b4eb 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -248,6 +248,7 @@ struct nand_hw_control {
  * @read_page_raw:	function to read a raw page without ECC
  * @write_page_raw:	function to write a raw page without ECC
  * @read_page:	function to read a page according to the ecc generator requirements
+ * @read_subpage:	function to read parts of the page covered by ECC.
  * @write_page:	function to write a page according to the ecc generator requirements
  * @read_oob:	function to read chip OOB data
  * @write_oob:	function to write chip OOB data
-- 
GitLab


From ee974e01e5ef2914036f08c8e41d1a3fa8bfc9d9 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Wed, 20 Aug 2008 16:37:26 -0700
Subject: [PATCH 0031/2224] clocksource: check range

Check that the value being passed to parse_pmtmr() does not exceed the
limits of pmtmr_ioport.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/clocksource/acpi_pm.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c
index 5ca1d80de18..3df33848100 100644
--- a/drivers/clocksource/acpi_pm.c
+++ b/drivers/clocksource/acpi_pm.c
@@ -226,9 +226,12 @@ static int __init parse_pmtmr(char *arg)
 
 	if (strict_strtoul(arg, 16, &base))
 		return -EINVAL;
-
+#ifdef CONFIG_X86_64
+	if (base > UINT_MAX)
+		return -ERANGE;
+#endif
 	printk(KERN_INFO "PMTMR IOPort override: 0x%04x -> 0x%04lx\n",
-	       (unsigned int)pmtmr_ioport, base);
+	       pmtmr_ioport, base);
 	pmtmr_ioport = base;
 
 	return 1;
-- 
GitLab


From 1aa5dfb751d275ae7117d3b73ac423b4a46f2a73 Mon Sep 17 00:00:00 2001
From: John Stultz <johnstul@us.ibm.com>
Date: Wed, 20 Aug 2008 16:37:28 -0700
Subject: [PATCH 0032/2224] clocksource: keep track of original clocksource
 frequency

The clocksource frequency is represented by
clocksource->mult/2^(clocksource->shift).  Currently, when NTP makes
adjustments to the clock frequency, they are made directly to the mult
value.

This has the drawback that once changed, we cannot know what the orignal
mult value was, or how much adjustment has been applied.

This property causes problems in calculating proper ntp intervals when
switching back and forth between clocksources.

This patch separates the current mult value into a mult and mult_orig
pair.  The mult_orig value stays constant, while the ntp clocksource
adjustments are done only to the mult value.

This allows for correct ntp interval calculation and additionally lays the
groundwork for a new notion of time, what I'm calling the monotonic-raw
time, which is introduced in a following patch.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/clocksource.h | 11 +++++++----
 kernel/time/clocksource.c   |  3 +++
 kernel/time/jiffies.c       |  1 +
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 55e434feec9..f0a7fb98441 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -45,7 +45,8 @@ struct clocksource;
  * @read:		returns a cycle value
  * @mask:		bitmask for two's complement
  *			subtraction of non 64 bit counters
- * @mult:		cycle to nanosecond multiplier
+ * @mult:		cycle to nanosecond multiplier (adjusted by NTP)
+ * @mult_orig:		cycle to nanosecond multiplier (unadjusted by NTP)
  * @shift:		cycle to nanosecond divisor (power of two)
  * @flags:		flags describing special properties
  * @vread:		vsyscall based read
@@ -63,6 +64,7 @@ struct clocksource {
 	cycle_t (*read)(void);
 	cycle_t mask;
 	u32 mult;
+	u32 mult_orig;
 	u32 shift;
 	unsigned long flags;
 	cycle_t (*vread)(void);
@@ -201,16 +203,17 @@ static inline void clocksource_calculate_interval(struct clocksource *c,
 {
 	u64 tmp;
 
-	/* XXX - All of this could use a whole lot of optimization */
+	/* Do the ns -> cycle conversion first, using original mult */
 	tmp = length_nsec;
 	tmp <<= c->shift;
-	tmp += c->mult/2;
-	do_div(tmp, c->mult);
+	tmp += c->mult_orig/2;
+	do_div(tmp, c->mult_orig);
 
 	c->cycle_interval = (cycle_t)tmp;
 	if (c->cycle_interval == 0)
 		c->cycle_interval = 1;
 
+	/* Go back from cycles -> shifted ns, this time use ntp adjused mult */
 	c->xtime_interval = (u64)c->cycle_interval * c->mult;
 }
 
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 093d4acf993..9ed2eec9752 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -325,6 +325,9 @@ int clocksource_register(struct clocksource *c)
 	unsigned long flags;
 	int ret;
 
+	/* save mult_orig on registration */
+	c->mult_orig = c->mult;
+
 	spin_lock_irqsave(&clocksource_lock, flags);
 	ret = clocksource_enqueue(c);
 	if (!ret)
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index 4c256fdb887..1ca99557e92 100644
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -61,6 +61,7 @@ struct clocksource clocksource_jiffies = {
 	.read		= jiffies_read,
 	.mask		= 0xffffffff, /*32bits*/
 	.mult		= NSEC_PER_JIFFY << JIFFIES_SHIFT, /* details above */
+	.mult_orig	= NSEC_PER_JIFFY << JIFFIES_SHIFT,
 	.shift		= JIFFIES_SHIFT,
 };
 
-- 
GitLab


From 9a055117d3d9cb562f83f8d4cd88772761f4cab0 Mon Sep 17 00:00:00 2001
From: Roman Zippel <zippel@linux-m68k.org>
Date: Wed, 20 Aug 2008 16:37:28 -0700
Subject: [PATCH 0033/2224] clocksource: introduce clocksource_forward_now()

To keep the raw monotonic patch simple first introduce
clocksource_forward_now(), which takes care of the offset since the last
update_wall_time() call and adds it to the clock, so there is no need
anymore to deal with it explicitly at various places, which need to make
significant changes to the clock.

This is also gets rid of the timekeeping_suspend_nsecs, instead of
waiting until resume, the value is accumulated during suspend. In the end
there is only a single user of __get_nsec_offset() left, so I integrated
it back to getnstimeofday().

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/time/timekeeping.c | 71 ++++++++++++++++++---------------------
 1 file changed, 33 insertions(+), 38 deletions(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index e91c29f961c..83d3555a699 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -58,27 +58,23 @@ struct clocksource *clock;
 
 #ifdef CONFIG_GENERIC_TIME
 /**
- * __get_nsec_offset - Returns nanoseconds since last call to periodic_hook
+ * clocksource_forward_now - update clock to the current time
  *
- * private function, must hold xtime_lock lock when being
- * called. Returns the number of nanoseconds since the
- * last call to update_wall_time() (adjusted by NTP scaling)
+ * Forward the current clock to update its state since the last call to
+ * update_wall_time(). This is useful before significant clock changes,
+ * as it avoids having to deal with this time offset explicitly.
  */
-static inline s64 __get_nsec_offset(void)
+static void clocksource_forward_now(void)
 {
 	cycle_t cycle_now, cycle_delta;
-	s64 ns_offset;
+	s64 nsec;
 
-	/* read clocksource: */
 	cycle_now = clocksource_read(clock);
-
-	/* calculate the delta since the last update_wall_time: */
 	cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
+	clock->cycle_last = cycle_now;
 
-	/* convert to nanoseconds: */
-	ns_offset = cyc2ns(clock, cycle_delta);
-
-	return ns_offset;
+	nsec = cyc2ns(clock, cycle_delta);
+	timespec_add_ns(&xtime, nsec);
 }
 
 /**
@@ -89,6 +85,7 @@ static inline s64 __get_nsec_offset(void)
  */
 void getnstimeofday(struct timespec *ts)
 {
+	cycle_t cycle_now, cycle_delta;
 	unsigned long seq;
 	s64 nsecs;
 
@@ -96,7 +93,15 @@ void getnstimeofday(struct timespec *ts)
 		seq = read_seqbegin(&xtime_lock);
 
 		*ts = xtime;
-		nsecs = __get_nsec_offset();
+
+		/* read clocksource: */
+		cycle_now = clocksource_read(clock);
+
+		/* calculate the delta since the last update_wall_time: */
+		cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
+
+		/* convert to nanoseconds: */
+		nsecs = cyc2ns(clock, cycle_delta);
 
 	} while (read_seqretry(&xtime_lock, seq));
 
@@ -129,22 +134,22 @@ EXPORT_SYMBOL(do_gettimeofday);
  */
 int do_settimeofday(struct timespec *tv)
 {
+	struct timespec ts_delta;
 	unsigned long flags;
-	time_t wtm_sec, sec = tv->tv_sec;
-	long wtm_nsec, nsec = tv->tv_nsec;
 
 	if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
 		return -EINVAL;
 
 	write_seqlock_irqsave(&xtime_lock, flags);
 
-	nsec -= __get_nsec_offset();
+	clocksource_forward_now();
+
+	ts_delta.tv_sec = tv->tv_sec - xtime.tv_sec;
+	ts_delta.tv_nsec = tv->tv_nsec - xtime.tv_nsec;
+	wall_to_monotonic = timespec_sub(wall_to_monotonic, ts_delta);
 
-	wtm_sec  = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
-	wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
+	xtime = *tv;
 
-	set_normalized_timespec(&xtime, sec, nsec);
-	set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
 	update_xtime_cache(0);
 
 	clock->error = 0;
@@ -170,22 +175,17 @@ EXPORT_SYMBOL(do_settimeofday);
 static void change_clocksource(void)
 {
 	struct clocksource *new;
-	cycle_t now;
-	u64 nsec;
 
 	new = clocksource_get_next();
 
 	if (clock == new)
 		return;
 
-	new->cycle_last = 0;
-	now = clocksource_read(new);
-	nsec =  __get_nsec_offset();
-	timespec_add_ns(&xtime, nsec);
+	clocksource_forward_now();
 
 	clock = new;
-	clock->cycle_last = now;
-
+	clock->cycle_last = 0;
+	clock->cycle_last = clocksource_read(new);
 	clock->error = 0;
 	clock->xtime_nsec = 0;
 	clocksource_calculate_interval(clock, NTP_INTERVAL_LENGTH);
@@ -200,8 +200,8 @@ static void change_clocksource(void)
 	 */
 }
 #else
+static inline void clocksource_forward_now(void) { }
 static inline void change_clocksource(void) { }
-static inline s64 __get_nsec_offset(void) { return 0; }
 #endif
 
 /**
@@ -265,8 +265,6 @@ void __init timekeeping_init(void)
 static int timekeeping_suspended;
 /* time in seconds when suspend began */
 static unsigned long timekeeping_suspend_time;
-/* xtime offset when we went into suspend */
-static s64 timekeeping_suspend_nsecs;
 
 /**
  * timekeeping_resume - Resumes the generic timekeeping subsystem.
@@ -292,8 +290,6 @@ static int timekeeping_resume(struct sys_device *dev)
 		wall_to_monotonic.tv_sec -= sleep_length;
 		total_sleep_time += sleep_length;
 	}
-	/* Make sure that we have the correct xtime reference */
-	timespec_add_ns(&xtime, timekeeping_suspend_nsecs);
 	update_xtime_cache(0);
 	/* re-base the last cycle value */
 	clock->cycle_last = 0;
@@ -319,8 +315,7 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state)
 	timekeeping_suspend_time = read_persistent_clock();
 
 	write_seqlock_irqsave(&xtime_lock, flags);
-	/* Get the current xtime offset */
-	timekeeping_suspend_nsecs = __get_nsec_offset();
+	clocksource_forward_now();
 	timekeeping_suspended = 1;
 	write_sequnlock_irqrestore(&xtime_lock, flags);
 
@@ -461,10 +456,10 @@ void update_wall_time(void)
 	 */
 	while (offset >= clock->cycle_interval) {
 		/* accumulate one interval */
-		clock->xtime_nsec += clock->xtime_interval;
-		clock->cycle_last += clock->cycle_interval;
 		offset -= clock->cycle_interval;
+		clock->cycle_last += clock->cycle_interval;
 
+		clock->xtime_nsec += clock->xtime_interval;
 		if (clock->xtime_nsec >= (u64)NSEC_PER_SEC << clock->shift) {
 			clock->xtime_nsec -= (u64)NSEC_PER_SEC << clock->shift;
 			xtime.tv_sec++;
-- 
GitLab


From 2d42244ae71d6c7b0884b5664cf2eda30fb2ae68 Mon Sep 17 00:00:00 2001
From: John Stultz <johnstul@us.ibm.com>
Date: Wed, 20 Aug 2008 16:37:30 -0700
Subject: [PATCH 0034/2224] clocksource: introduce CLOCK_MONOTONIC_RAW

In talking with Josip Loncaric, and his work on clock synchronization (see
btime.sf.net), he mentioned that for really close synchronization, it is
useful to have access to "hardware time", that is a notion of time that is
not in any way adjusted by the clock slewing done to keep close time sync.

Part of the issue is if we are using the kernel's ntp adjusted
representation of time in order to measure how we should correct time, we
can run into what Paul McKenney aptly described as "Painting a road using
the lines we're painting as the guide".

I had been thinking of a similar problem, and was trying to come up with a
way to give users access to a purely hardware based time representation
that avoided users having to know the underlying frequency and mask values
needed to deal with the wide variety of possible underlying hardware
counters.

My solution is to introduce CLOCK_MONOTONIC_RAW.  This exposes a
nanosecond based time value, that increments starting at bootup and has no
frequency adjustments made to it what so ever.

The time is accessed from userspace via the posix_clock_gettime() syscall,
passing CLOCK_MONOTONIC_RAW as the clock_id.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/clocksource.h |  3 +++
 include/linux/time.h        |  2 ++
 kernel/posix-timers.c       | 15 +++++++++++++
 kernel/time/timekeeping.c   | 44 +++++++++++++++++++++++++++++++++++++
 4 files changed, 64 insertions(+)

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index f0a7fb98441..f88d32f8ff7 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -79,6 +79,7 @@ struct clocksource {
 	/* timekeeping specific data, ignore */
 	cycle_t cycle_interval;
 	u64	xtime_interval;
+	u32	raw_interval;
 	/*
 	 * Second part is written at each timer interrupt
 	 * Keep it in a different cache line to dirty no
@@ -87,6 +88,7 @@ struct clocksource {
 	cycle_t cycle_last ____cacheline_aligned_in_smp;
 	u64 xtime_nsec;
 	s64 error;
+	struct timespec raw_time;
 
 #ifdef CONFIG_CLOCKSOURCE_WATCHDOG
 	/* Watchdog related data, used by the framework */
@@ -215,6 +217,7 @@ static inline void clocksource_calculate_interval(struct clocksource *c,
 
 	/* Go back from cycles -> shifted ns, this time use ntp adjused mult */
 	c->xtime_interval = (u64)c->cycle_interval * c->mult;
+	c->raw_interval = ((u64)c->cycle_interval * c->mult_orig) >> c->shift;
 }
 
 
diff --git a/include/linux/time.h b/include/linux/time.h
index e15206a7e82..205f974b9eb 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -117,6 +117,7 @@ extern int do_setitimer(int which, struct itimerval *value,
 extern unsigned int alarm_setitimer(unsigned int seconds);
 extern int do_getitimer(int which, struct itimerval *value);
 extern void getnstimeofday(struct timespec *tv);
+extern void getrawmonotonic(struct timespec *ts);
 extern void getboottime(struct timespec *ts);
 extern void monotonic_to_bootbased(struct timespec *ts);
 
@@ -214,6 +215,7 @@ struct itimerval {
 #define CLOCK_MONOTONIC			1
 #define CLOCK_PROCESS_CPUTIME_ID	2
 #define CLOCK_THREAD_CPUTIME_ID		3
+#define CLOCK_MONOTONIC_RAW		4
 
 /*
  * The IDs of various hardware clocks:
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index e36d5798cbf..d3c66b53dff 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -222,6 +222,15 @@ static int posix_ktime_get_ts(clockid_t which_clock, struct timespec *tp)
 	return 0;
 }
 
+/*
+ * Get monotonic time for posix timers
+ */
+static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec *tp)
+{
+	getrawmonotonic(tp);
+	return 0;
+}
+
 /*
  * Initialize everything, well, just everything in Posix clocks/timers ;)
  */
@@ -235,9 +244,15 @@ static __init int init_posix_timers(void)
 		.clock_get = posix_ktime_get_ts,
 		.clock_set = do_posix_clock_nosettime,
 	};
+	struct k_clock clock_monotonic_raw = {
+		.clock_getres = hrtimer_get_res,
+		.clock_get = posix_get_monotonic_raw,
+		.clock_set = do_posix_clock_nosettime,
+	};
 
 	register_posix_clock(CLOCK_REALTIME, &clock_realtime);
 	register_posix_clock(CLOCK_MONOTONIC, &clock_monotonic);
+	register_posix_clock(CLOCK_MONOTONIC_RAW, &clock_monotonic_raw);
 
 	posix_timers_cache = kmem_cache_create("posix_timers_cache",
 					sizeof (struct k_itimer), 0, SLAB_PANIC,
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 83d3555a699..5099c95b8aa 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -75,6 +75,9 @@ static void clocksource_forward_now(void)
 
 	nsec = cyc2ns(clock, cycle_delta);
 	timespec_add_ns(&xtime, nsec);
+
+	nsec = ((s64)cycle_delta * clock->mult_orig) >> clock->shift;
+	clock->raw_time.tv_nsec += nsec;
 }
 
 /**
@@ -183,6 +186,8 @@ static void change_clocksource(void)
 
 	clocksource_forward_now();
 
+	new->raw_time = clock->raw_time;
+
 	clock = new;
 	clock->cycle_last = 0;
 	clock->cycle_last = clocksource_read(new);
@@ -204,6 +209,39 @@ static inline void clocksource_forward_now(void) { }
 static inline void change_clocksource(void) { }
 #endif
 
+/**
+ * getrawmonotonic - Returns the raw monotonic time in a timespec
+ * @ts:		pointer to the timespec to be set
+ *
+ * Returns the raw monotonic time (completely un-modified by ntp)
+ */
+void getrawmonotonic(struct timespec *ts)
+{
+	unsigned long seq;
+	s64 nsecs;
+	cycle_t cycle_now, cycle_delta;
+
+	do {
+		seq = read_seqbegin(&xtime_lock);
+
+		/* read clocksource: */
+		cycle_now = clocksource_read(clock);
+
+		/* calculate the delta since the last update_wall_time: */
+		cycle_delta = (cycle_now - clock->cycle_last) & clock->mask;
+
+		/* convert to nanoseconds: */
+		nsecs = ((s64)cycle_delta * clock->mult_orig) >> clock->shift;
+
+		*ts = clock->raw_time;
+
+	} while (read_seqretry(&xtime_lock, seq));
+
+	timespec_add_ns(ts, nsecs);
+}
+EXPORT_SYMBOL(getrawmonotonic);
+
+
 /**
  * timekeeping_valid_for_hres - Check if timekeeping is suitable for hres
  */
@@ -466,6 +504,12 @@ void update_wall_time(void)
 			second_overflow();
 		}
 
+		clock->raw_time.tv_nsec += clock->raw_interval;
+		if (clock->raw_time.tv_nsec >= NSEC_PER_SEC) {
+			clock->raw_time.tv_nsec -= NSEC_PER_SEC;
+			clock->raw_time.tv_sec++;
+		}
+
 		/* accumulate error between NTP and clock interval */
 		clock->error += tick_length;
 		clock->error -= clock->xtime_interval << (NTP_SCALE_SHIFT - clock->shift);
-- 
GitLab


From d82f0b0f6f1a0a25afc288fb7135b1601fe6df18 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Wed, 20 Aug 2008 16:46:04 -0700
Subject: [PATCH 0035/2224] migrate_timers: add comment, use spinlock_irq()

Add the comment to explain why the double lock in migrate_timers()
can't deadlock.

Change the code to use spinlock_irq() instead of local_irq_disable()
+ spin_lock().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/hrtimer.c | 11 ++++++-----
 kernel/timer.c   | 11 ++++++-----
 2 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index b8e4dce80a7..03ea1378c43 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1620,9 +1620,11 @@ static void migrate_hrtimers(int cpu)
 	new_base = &get_cpu_var(hrtimer_bases);
 
 	tick_cancel_sched_timer(cpu);
-
-	local_irq_disable();
-	spin_lock(&new_base->lock);
+	/*
+	 * The caller is globally serialized and nobody else
+	 * takes two locks at once, deadlock is not possible.
+	 */
+	spin_lock_irq(&new_base->lock);
 	spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING);
 
 	for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) {
@@ -1631,8 +1633,7 @@ static void migrate_hrtimers(int cpu)
 	}
 
 	spin_unlock(&old_base->lock);
-	spin_unlock(&new_base->lock);
-	local_irq_enable();
+	spin_unlock_irq(&new_base->lock);
 	put_cpu_var(hrtimer_bases);
 }
 #endif /* CONFIG_HOTPLUG_CPU */
diff --git a/kernel/timer.c b/kernel/timer.c
index 03bc7f1f159..e8019cc3418 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1435,9 +1435,11 @@ static void __cpuinit migrate_timers(int cpu)
 	BUG_ON(cpu_online(cpu));
 	old_base = per_cpu(tvec_bases, cpu);
 	new_base = get_cpu_var(tvec_bases);
-
-	local_irq_disable();
-	spin_lock(&new_base->lock);
+	/*
+	 * The caller is globally serialized and nobody else
+	 * takes two locks at once, deadlock is not possible.
+	 */
+	spin_lock_irq(&new_base->lock);
 	spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING);
 
 	BUG_ON(old_base->running_timer);
@@ -1452,8 +1454,7 @@ static void __cpuinit migrate_timers(int cpu)
 	}
 
 	spin_unlock(&old_base->lock);
-	spin_unlock(&new_base->lock);
-	local_irq_enable();
+	spin_unlock_irq(&new_base->lock);
 	put_cpu_var(tvec_bases);
 }
 #endif /* CONFIG_HOTPLUG_CPU */
-- 
GitLab


From 916c7a855174e3b53d182b97a26b2e27a29726a1 Mon Sep 17 00:00:00 2001
From: Roman Zippel <zippel@linux-m68k.org>
Date: Wed, 20 Aug 2008 16:46:08 -0700
Subject: [PATCH 0036/2224] ntp: fix ADJ_OFFSET_SS_READ bug and do_adjtimex()
 cleanup

Thanks to the review by Michael Kerrisk a bug in the recent
ADJ_OFFSET_SS_READ option was discovered, where the ntp time_offset was
inadvertently set by it.  This fixes this by making the adjtime code
more separate from the ntp_adjtime code (both of which really want to
be separate syscalls).

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/timex.h |  9 ++++-
 kernel/time/ntp.c     | 76 +++++++++++++++++++++++--------------------
 2 files changed, 48 insertions(+), 37 deletions(-)

diff --git a/include/linux/timex.h b/include/linux/timex.h
index fc6035d29d5..c00bcdd3ae4 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -141,8 +141,15 @@ struct timex {
 #define ADJ_MICRO		0x1000	/* select microsecond resolution */
 #define ADJ_NANO		0x2000	/* select nanosecond resolution */
 #define ADJ_TICK		0x4000	/* tick value */
+
+#ifdef __KERNEL__
+#define ADJ_ADJTIME		0x8000	/* switch between adjtime/adjtimex modes */
+#define ADJ_OFFSET_SINGLESHOT	0x0001	/* old-fashioned adjtime */
+#define ADJ_OFFSET_READONLY	0x2000	/* read-only adjtime */
+#else
 #define ADJ_OFFSET_SINGLESHOT	0x8001	/* old-fashioned adjtime */
-#define ADJ_OFFSET_SS_READ	0xa001  /* read-only adjtime */
+#define ADJ_OFFSET_SS_READ	0xa001	/* read-only adjtime */
+#endif
 
 /* xntp 3.4 compatibility names */
 #define MOD_OFFSET	ADJ_OFFSET
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 5125ddd8196..c6921aa1a42 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -277,38 +277,50 @@ static inline void notify_cmos_timer(void) { }
 int do_adjtimex(struct timex *txc)
 {
 	struct timespec ts;
-	long save_adjust, sec;
 	int result;
 
-	/* In order to modify anything, you gotta be super-user! */
-	if (txc->modes && !capable(CAP_SYS_TIME))
-		return -EPERM;
-
-	/* Now we validate the data before disabling interrupts */
-
-	if ((txc->modes & ADJ_OFFSET_SINGLESHOT) == ADJ_OFFSET_SINGLESHOT) {
+	/* Validate the data before disabling interrupts */
+	if (txc->modes & ADJ_ADJTIME) {
 		/* singleshot must not be used with any other mode bits */
-		if (txc->modes & ~ADJ_OFFSET_SS_READ)
+		if (!(txc->modes & ADJ_OFFSET_SINGLESHOT))
 			return -EINVAL;
+		if (!(txc->modes & ADJ_OFFSET_READONLY) &&
+		    !capable(CAP_SYS_TIME))
+			return -EPERM;
+	} else {
+		/* In order to modify anything, you gotta be super-user! */
+		 if (txc->modes && !capable(CAP_SYS_TIME))
+			return -EPERM;
+
+		/* if the quartz is off by more than 10% something is VERY wrong! */
+		if (txc->modes & ADJ_TICK &&
+		    (txc->tick <  900000/USER_HZ ||
+		     txc->tick > 1100000/USER_HZ))
+				return -EINVAL;
+
+		if (txc->modes & ADJ_STATUS && time_state != TIME_OK)
+			hrtimer_cancel(&leap_timer);
 	}
 
-	/* if the quartz is off by more than 10% something is VERY wrong ! */
-	if (txc->modes & ADJ_TICK)
-		if (txc->tick <  900000/USER_HZ ||
-		    txc->tick > 1100000/USER_HZ)
-			return -EINVAL;
-
-	if (time_state != TIME_OK && txc->modes & ADJ_STATUS)
-		hrtimer_cancel(&leap_timer);
 	getnstimeofday(&ts);
 
 	write_seqlock_irq(&xtime_lock);
 
-	/* Save for later - semantics of adjtime is to return old value */
-	save_adjust = time_adjust;
-
 	/* If there are input parameters, then process them */
+	if (txc->modes & ADJ_ADJTIME) {
+		long save_adjust = time_adjust;
+
+		if (!(txc->modes & ADJ_OFFSET_READONLY)) {
+			/* adjtime() is independent from ntp_adjtime() */
+			time_adjust = txc->offset;
+			ntp_update_frequency();
+		}
+		txc->offset = save_adjust;
+		goto adj_done;
+	}
 	if (txc->modes) {
+		long sec;
+
 		if (txc->modes & ADJ_STATUS) {
 			if ((time_status & STA_PLL) &&
 			    !(txc->status & STA_PLL)) {
@@ -375,13 +387,8 @@ int do_adjtimex(struct timex *txc)
 		if (txc->modes & ADJ_TAI && txc->constant > 0)
 			time_tai = txc->constant;
 
-		if (txc->modes & ADJ_OFFSET) {
-			if (txc->modes == ADJ_OFFSET_SINGLESHOT)
-				/* adjtime() is independent from ntp_adjtime() */
-				time_adjust = txc->offset;
-			else
-				ntp_update_offset(txc->offset);
-		}
+		if (txc->modes & ADJ_OFFSET)
+			ntp_update_offset(txc->offset);
 		if (txc->modes & ADJ_TICK)
 			tick_usec = txc->tick;
 
@@ -389,19 +396,16 @@ int do_adjtimex(struct timex *txc)
 			ntp_update_frequency();
 	}
 
+	txc->offset = shift_right(time_offset * NTP_INTERVAL_FREQ,
+				  NTP_SCALE_SHIFT);
+	if (!(time_status & STA_NANO))
+		txc->offset /= NSEC_PER_USEC;
+
+adj_done:
 	result = time_state;	/* mostly `TIME_OK' */
 	if (time_status & (STA_UNSYNC|STA_CLOCKERR))
 		result = TIME_ERROR;
 
-	if ((txc->modes == ADJ_OFFSET_SINGLESHOT) ||
-	    (txc->modes == ADJ_OFFSET_SS_READ))
-		txc->offset = save_adjust;
-	else {
-		txc->offset = shift_right(time_offset * NTP_INTERVAL_FREQ,
-					  NTP_SCALE_SHIFT);
-		if (!(time_status & STA_NANO))
-			txc->offset /= NSEC_PER_USEC;
-	}
 	txc->freq	   = shift_right((s32)(time_freq >> PPM_SCALE_INV_SHIFT) *
 					 (s64)PPM_SCALE_INV,
 					 NTP_SCALE_SHIFT);
-- 
GitLab


From 377bf1e4ac2d894791733270604594c7c851ef83 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Thu, 21 Aug 2008 22:58:28 +0400
Subject: [PATCH 0037/2224] genirq: fix irq_desc->depth handling with
 DEBUG_SHIRQ

When DEBUG_SHIRQ is selected, a spurious IRQ is issued before
the setup_irq() initializes the desc->depth. An IRQ handler may
call disable_irq_nosync(), but then setup_irq() will overwrite
desc->depth, and upon enable_irq() we'll catch this WARN:

------------[ cut here ]------------
Badness at kernel/irq/manage.c:180
NIP: c0061ab8 LR: c0061f10 CTR: 00000000
REGS: cf83be50 TRAP: 0700   Not tainted  (2.6.27-rc3-23450-g74919b0)
MSR: 00021032 <ME,IR,DR>  CR: 22042022  XER: 20000000
TASK = cf829100[5] 'events/0' THREAD: cf83a000
GPR00: c0061f10 cf83bf00 cf829100 c038e674 00000016 00000000 cf83bef8 00000038
GPR08: c0298910 00000000 c0310d28 cf83a000 00000c9c 1001a1a8 0fffe000 00800000
GPR16: ffffffff 00000000 007fff00 00000000 007ffeb0 c03320a0 c031095c c0310924
GPR24: cf8292ec cf807190 cf83a000 00009032 c038e6a4 c038e674 cf99b1cc c038e674
NIP [c0061ab8] __enable_irq+0x20/0x80
LR [c0061f10] enable_irq+0x50/0x70
Call Trace:
[cf83bf00] [c038e674] irq_desc+0x630/0x9000 (unreliable)
[cf83bf10] [c0061f10] enable_irq+0x50/0x70
[cf83bf30] [c01abe94] phy_change+0x68/0x108
[cf83bf50] [c0046394] run_workqueue+0xc4/0x16c
[cf83bf90] [c0046834] worker_thread+0x74/0xd4
[cf83bfd0] [c004ab7c] kthread+0x48/0x84
[cf83bff0] [c00135e0] kernel_thread+0x44/0x60
Instruction dump:
4e800020 3d20c031 38a94214 4bffffcc 9421fff0 7c0802a6 93e1000c 7c7f1b78
90010014 8123001c 2f890000 409e001c <0fe00000> 80010014 83e1000c 38210010

That trace corresponds to this line:
WARN(1, KERN_WARNING "Unbalanced enable for IRQ %d\n", irq);

The patch fixes the problem by moving the SHIRQ code below the
setup_irq().

Unfortunately we can't easily move the SHIRQ code inside the
setup_irq(), since it grabs a spinlock, so to prvent a 'real'
IRQ from interfere us we should disable that IRQ.

p.s. The driver in question is drivers/net/phy/phy.c.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/manage.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 77a51be3601..ae1b684e048 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -596,26 +596,29 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 	action->next = NULL;
 	action->dev_id = dev_id;
 
+	retval = setup_irq(irq, action);
+	if (retval)
+		kfree(action);
+
 #ifdef CONFIG_DEBUG_SHIRQ
 	if (irqflags & IRQF_SHARED) {
 		/*
 		 * It's a shared IRQ -- the driver ought to be prepared for it
 		 * to happen immediately, so let's make sure....
-		 * We do this before actually registering it, to make sure that
-		 * a 'real' IRQ doesn't run in parallel with our fake
+		 * We disable the irq to make sure that a 'real' IRQ doesn't
+		 * run in parallel with our fake.
 		 */
 		unsigned long flags;
 
+		disable_irq(irq);
 		local_irq_save(flags);
+
 		handler(irq, dev_id);
+
 		local_irq_restore(flags);
+		enable_irq(irq);
 	}
 #endif
-
-	retval = setup_irq(irq, action);
-	if (retval)
-		kfree(action);
-
 	return retval;
 }
 EXPORT_SYMBOL(request_irq);
-- 
GitLab


From dffc8d66544563fe00f176f230d5d8a5b45847bb Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 23 Aug 2008 13:56:21 +0800
Subject: [PATCH 0038/2224] [MTD] [NAND] au1550nd.c: remove unused #include
 <version.h>

It doesn't use LINUX_VERSION_CODE nor KERNEL_VERSION.

This patch removes the said #include <version.h>.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/au1550nd.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 761946ea45b..92c334ff450 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -16,7 +16,6 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
-#include <linux/version.h>
 #include <asm/io.h>
 
 #include <asm/mach-au1x00/au1xxx.h>
-- 
GitLab


From d68156cfad0fe09201dd049fff167a8a881427ad Mon Sep 17 00:00:00 2001
From: "Singh, Vimal" <vimalsingh@ti.com>
Date: Sat, 23 Aug 2008 18:18:34 +0200
Subject: [PATCH 0039/2224] [MTD] [NAND] nand_ecc.c: adding support for 512
 byte ecc

Support 512 byte ECC calculation

[FM: updated two comments]

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_ecc.c | 86 ++++++++++++++++++++++++++-----------
 1 file changed, 62 insertions(+), 24 deletions(-)

diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index fd19787c9ce..868147acce2 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -42,6 +42,8 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
 #include <linux/mtd/nand_ecc.h>
 #include <asm/byteorder.h>
 #else
@@ -148,8 +150,9 @@ static const char addressbits[256] = {
 };
 
 /**
- * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block
- * @mtd:	MTD block structure (unused)
+ * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256/512-byte
+ *			 block
+ * @mtd:	MTD block structure
  * @buf:	input buffer with raw data
  * @code:	output buffer with ECC
  */
@@ -158,13 +161,18 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 {
 	int i;
 	const uint32_t *bp = (uint32_t *)buf;
+	/* 256 or 512 bytes/ecc  */
+	const uint32_t eccsize_mult =
+			(((struct nand_chip *)mtd->priv)->ecc.size) >> 8;
 	uint32_t cur;		/* current value in buffer */
-	/* rp0..rp15 are the various accumulated parities (per byte) */
+	/* rp0..rp15..rp17 are the various accumulated parities (per byte) */
 	uint32_t rp0, rp1, rp2, rp3, rp4, rp5, rp6, rp7;
-	uint32_t rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15;
+	uint32_t rp8, rp9, rp10, rp11, rp12, rp13, rp14, rp15, rp16;
+	uint32_t uninitialized_var(rp17);	/* to make compiler happy */
 	uint32_t par;		/* the cumulative parity for all data */
 	uint32_t tmppar;	/* the cumulative parity for this iteration;
-				   for rp12 and rp14 at the end of the loop */
+				   for rp12, rp14 and rp16 at the end of the
+				   loop */
 
 	par = 0;
 	rp4 = 0;
@@ -173,6 +181,7 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 	rp10 = 0;
 	rp12 = 0;
 	rp14 = 0;
+	rp16 = 0;
 
 	/*
 	 * The loop is unrolled a number of times;
@@ -181,10 +190,10 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 	 * Note: passing unaligned data might give a performance penalty.
 	 * It is assumed that the buffers are aligned.
 	 * tmppar is the cumulative sum of this iteration.
-	 * needed for calculating rp12, rp14 and par
+	 * needed for calculating rp12, rp14, rp16 and par
 	 * also used as a performance improvement for rp6, rp8 and rp10
 	 */
-	for (i = 0; i < 4; i++) {
+	for (i = 0; i < eccsize_mult << 2; i++) {
 		cur = *bp++;
 		tmppar = cur;
 		rp4 ^= cur;
@@ -247,12 +256,14 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 			rp12 ^= tmppar;
 		if ((i & 0x2) == 0)
 			rp14 ^= tmppar;
+		if (eccsize_mult == 2 && (i & 0x4) == 0)
+			rp16 ^= tmppar;
 	}
 
 	/*
 	 * handle the fact that we use longword operations
-	 * we'll bring rp4..rp14 back to single byte entities by shifting and
-	 * xoring first fold the upper and lower 16 bits,
+	 * we'll bring rp4..rp14..rp16 back to single byte entities by
+	 * shifting and xoring first fold the upper and lower 16 bits,
 	 * then the upper and lower 8 bits.
 	 */
 	rp4 ^= (rp4 >> 16);
@@ -273,6 +284,11 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 	rp14 ^= (rp14 >> 16);
 	rp14 ^= (rp14 >> 8);
 	rp14 &= 0xff;
+	if (eccsize_mult == 2) {
+		rp16 ^= (rp16 >> 16);
+		rp16 ^= (rp16 >> 8);
+		rp16 &= 0xff;
+	}
 
 	/*
 	 * we also need to calculate the row parity for rp0..rp3
@@ -315,7 +331,7 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 	par &= 0xff;
 
 	/*
-	 * and calculate rp5..rp15
+	 * and calculate rp5..rp15..rp17
 	 * note that par = rp4 ^ rp5 and due to the commutative property
 	 * of the ^ operator we can say:
 	 * rp5 = (par ^ rp4);
@@ -329,6 +345,8 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 	rp11 = (par ^ rp10) & 0xff;
 	rp13 = (par ^ rp12) & 0xff;
 	rp15 = (par ^ rp14) & 0xff;
+	if (eccsize_mult == 2)
+		rp17 = (par ^ rp16) & 0xff;
 
 	/*
 	 * Finally calculate the ecc bits.
@@ -375,32 +393,46 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
 	    (invparity[rp9] << 1)  |
 	    (invparity[rp8]);
 #endif
-	code[2] =
-	    (invparity[par & 0xf0] << 7) |
-	    (invparity[par & 0x0f] << 6) |
-	    (invparity[par & 0xcc] << 5) |
-	    (invparity[par & 0x33] << 4) |
-	    (invparity[par & 0xaa] << 3) |
-	    (invparity[par & 0x55] << 2) |
-	    3;
+	if (eccsize_mult == 1)
+		code[2] =
+		    (invparity[par & 0xf0] << 7) |
+		    (invparity[par & 0x0f] << 6) |
+		    (invparity[par & 0xcc] << 5) |
+		    (invparity[par & 0x33] << 4) |
+		    (invparity[par & 0xaa] << 3) |
+		    (invparity[par & 0x55] << 2) |
+		    3;
+	else
+		code[2] =
+		    (invparity[par & 0xf0] << 7) |
+		    (invparity[par & 0x0f] << 6) |
+		    (invparity[par & 0xcc] << 5) |
+		    (invparity[par & 0x33] << 4) |
+		    (invparity[par & 0xaa] << 3) |
+		    (invparity[par & 0x55] << 2) |
+		    (invparity[rp17] << 1) |
+		    (invparity[rp16] << 0);
 	return 0;
 }
 EXPORT_SYMBOL(nand_calculate_ecc);
 
 /**
  * nand_correct_data - [NAND Interface] Detect and correct bit error(s)
- * @mtd:	MTD block structure (unused)
+ * @mtd:	MTD block structure
  * @buf:	raw data read from the chip
  * @read_ecc:	ECC from the chip
  * @calc_ecc:	the ECC calculated from raw data
  *
- * Detect and correct a 1 bit error for 256 byte block
+ * Detect and correct a 1 bit error for 256/512 byte block
  */
 int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 		      unsigned char *read_ecc, unsigned char *calc_ecc)
 {
 	unsigned char b0, b1, b2;
 	unsigned char byte_addr, bit_addr;
+	/* 256 or 512 bytes/ecc  */
+	const uint32_t eccsize_mult =
+			(((struct nand_chip *)mtd->priv)->ecc.size) >> 8;
 
 	/*
 	 * b0 to b2 indicate which bit is faulty (if any)
@@ -426,10 +458,12 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 
 	if ((((b0 ^ (b0 >> 1)) & 0x55) == 0x55) &&
 	    (((b1 ^ (b1 >> 1)) & 0x55) == 0x55) &&
-	    (((b2 ^ (b2 >> 1)) & 0x54) == 0x54)) { /* single bit error */
+	    ((eccsize_mult == 1 && ((b2 ^ (b2 >> 1)) & 0x54) == 0x54) ||
+	     (eccsize_mult == 2 && ((b2 ^ (b2 >> 1)) & 0x55) == 0x55))) {
+	/* single bit error */
 		/*
-		 * rp15/13/11/9/7/5/3/1 indicate which byte is the faulty byte
-		 * cp 5/3/1 indicate the faulty bit.
+		 * rp17/rp15/13/11/9/7/5/3/1 indicate which byte is the faulty
+		 * byte, cp 5/3/1 indicate the faulty bit.
 		 * A lookup table (called addressbits) is used to filter
 		 * the bits from the byte they are in.
 		 * A marginal optimisation is possible by having three
@@ -443,7 +477,11 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
 		 * We could also do addressbits[b2] >> 1 but for the
 		 * performace it does not make any difference
 		 */
-		byte_addr = (addressbits[b1] << 4) + addressbits[b0];
+		if (eccsize_mult == 1)
+			byte_addr = (addressbits[b1] << 4) + addressbits[b0];
+		else
+			byte_addr = (addressbits[b2 & 0x3] << 8) +
+				    (addressbits[b1] << 4) + addressbits[b0];
 		bit_addr = addressbits[b2 >> 2];
 		/* flip the bit */
 		buf[byte_addr] ^= (1 << bit_addr);
-- 
GitLab


From e82374fd1a804e197fc2a54c3930e70c5d300abc Mon Sep 17 00:00:00 2001
From: Robert Jarzmik <robert.jarzmik@free.fr>
Date: Mon, 11 Aug 2008 22:22:27 +0200
Subject: [PATCH 0040/2224] pda_power: Check and handle return value of
 set_irq_wake

The recent change in commit 2db873211ba47ef704c301f9ecf4a33413a0b649
forces the calls enable_irq_wake() and disable_irq_wake() to
be balanced. But if in pda_power_suspend() the call to
enable_irq_wake() fails (because attached gpio cannot wake
up the CPU), the corresponding disable_irq_wake will WARN().
Fix it by storing success/failure of enable_irq_wake().

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/pda_power.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index 0471ec743ab..d30bb766fce 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -334,13 +334,16 @@ static int pda_power_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
+static int ac_wakeup_enabled;
+static int usb_wakeup_enabled;
+
 static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	if (device_may_wakeup(&pdev->dev)) {
 		if (ac_irq)
-			enable_irq_wake(ac_irq->start);
+			ac_wakeup_enabled = !enable_irq_wake(ac_irq->start);
 		if (usb_irq)
-			enable_irq_wake(usb_irq->start);
+			usb_wakeup_enabled = !enable_irq_wake(usb_irq->start);
 	}
 
 	return 0;
@@ -349,9 +352,9 @@ static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
 static int pda_power_resume(struct platform_device *pdev)
 {
 	if (device_may_wakeup(&pdev->dev)) {
-		if (usb_irq)
+		if (usb_irq && usb_wakeup_enabled)
 			disable_irq_wake(usb_irq->start);
-		if (ac_irq)
+		if (ac_irq && ac_wakeup_enabled)
 			disable_irq_wake(ac_irq->start);
 	}
 
-- 
GitLab


From 942ed161944b3476639916cf544e6975b29c985a Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg59@srcf.ucam.org>
Date: Tue, 26 Aug 2008 21:09:59 +0100
Subject: [PATCH 0041/2224] power_supply: Add function to return system-wide
 power state

Certain drivers benefit from knowing whether the system is on ac or
battery, for instance when determining which backlight registers to
read. This adds a simple call to determine whether there's an online
power supply other than any batteries.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/power_supply_core.c | 25 +++++++++++++++++++++++++
 include/linux/power_supply.h      |  6 ++++++
 2 files changed, 31 insertions(+)

diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index cb1ccb47292..f44f5b608f6 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -87,6 +87,30 @@ int power_supply_am_i_supplied(struct power_supply *psy)
 	return error;
 }
 
+static int __power_supply_is_system_supplied(struct device *dev, void *data)
+{
+	union power_supply_propval ret = {0,};
+	struct power_supply *psy = dev_get_drvdata(dev);
+
+	if (psy->type != POWER_SUPPLY_TYPE_BATTERY) {
+		if (psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &ret))
+			return 0;
+		if (ret.intval)
+			return ret.intval;
+	}
+	return 0;
+}
+
+int power_supply_is_system_supplied(void)
+{
+	int error;
+
+	error = class_for_each_device(power_supply_class, NULL, NULL,
+				      __power_supply_is_system_supplied);
+
+	return error;
+}
+
 int power_supply_register(struct device *parent, struct power_supply *psy)
 {
 	int rc = 0;
@@ -148,6 +172,7 @@ static void __exit power_supply_class_exit(void)
 
 EXPORT_SYMBOL_GPL(power_supply_changed);
 EXPORT_SYMBOL_GPL(power_supply_am_i_supplied);
+EXPORT_SYMBOL_GPL(power_supply_is_system_supplied);
 EXPORT_SYMBOL_GPL(power_supply_register);
 EXPORT_SYMBOL_GPL(power_supply_unregister);
 
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index ea96ead1d39..f9348cba6dc 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -165,6 +165,12 @@ struct power_supply_info {
 extern void power_supply_changed(struct power_supply *psy);
 extern int power_supply_am_i_supplied(struct power_supply *psy);
 
+#if defined(CONFIG_POWER_SUPPLY) || defined(CONFIG_POWER_SUPPLY_MODULE)
+extern int power_supply_is_system_supplied(void);
+#else
+static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
+#endif
+
 extern int power_supply_register(struct device *parent,
 				 struct power_supply *psy);
 extern void power_supply_unregister(struct power_supply *psy);
-- 
GitLab


From b996ad0e9fb15ca4acc60bcd0380912117a45d13 Mon Sep 17 00:00:00 2001
From: Rodolfo Giometti <giometti@linux.it>
Date: Wed, 20 Aug 2008 16:52:58 -0700
Subject: [PATCH 0042/2224] power_supply: Support for Texas Instruments BQ27200
 battery managers

These battery managers came in two different packages: one for I2C
busses (BQ27200) and one for HDQ busses (BQ27000).

This driver currently supports only the I2C chip version but the code
is designed in order to easily allow the HDQ chip version integration.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: make things static, use kasprintf()]
Signed-off-by: Rodolfo Giometti <giometti@linux.it>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/Kconfig           |   6 +
 drivers/power/Makefile          |   1 +
 drivers/power/bq27x00_battery.c | 382 ++++++++++++++++++++++++++++++++
 3 files changed, 389 insertions(+)
 create mode 100644 drivers/power/bq27x00_battery.c

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 9ce55850271..b2bd104b986 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -62,4 +62,10 @@ config BATTERY_PALMTX
 	help
 	  Say Y to enable support for the battery in Palm T|X.
 
+config BATTERY_BQ27x00
+	tristate "BQ27200 battery driver"
+	depends on I2C
+	help
+	  Say Y here to enable support for batteries with BQ27200(I2C) chip.
+
 endif # POWER_SUPPLY
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 4706bf8ff45..6cb301b779a 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -22,3 +22,4 @@ obj-$(CONFIG_BATTERY_PMU)	+= pmu_battery.o
 obj-$(CONFIG_BATTERY_OLPC)	+= olpc_battery.o
 obj-$(CONFIG_BATTERY_TOSA)	+= tosa_battery.o
 obj-$(CONFIG_BATTERY_PALMTX)	+= palmtx_battery.o
+obj-$(CONFIG_BATTERY_BQ27x00)	+= bq27x00_battery.o
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
new file mode 100644
index 00000000000..62d4948e820
--- /dev/null
+++ b/drivers/power/bq27x00_battery.c
@@ -0,0 +1,382 @@
+/*
+ * BQ27x00 battery driver
+ *
+ * Copyright (C) 2008 Rodolfo Giometti <giometti@linux.it>
+ * Copyright (C) 2008 Eurotech S.p.A. <info@eurotech.it>
+ *
+ * Based on a previous work by Copyright (C) 2008 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+#include <linux/module.h>
+#include <linux/param.h>
+#include <linux/jiffies.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/idr.h>
+
+#include <linux/i2c.h>
+
+#define DRIVER_VERSION			"1.0.0"
+
+#define BQ27x00_REG_TEMP		0x06
+#define BQ27x00_REG_VOLT		0x08
+#define BQ27x00_REG_RSOC		0x0B /* Relative State-of-Charge */
+#define BQ27x00_REG_AI			0x14
+#define BQ27x00_REG_FLAGS		0x0A
+#define HIGH_BYTE(A)			((A) << 8)
+
+/* If the system has several batteries we need a different name for each
+ * of them...
+ */
+static DEFINE_IDR(battery_id);
+static DEFINE_MUTEX(battery_mutex);
+
+struct bq27x00_device_info;
+struct bq27x00_access_methods {
+	int (*read)(u8 reg, int *rt_value, int b_single,
+		struct bq27x00_device_info *di);
+};
+
+struct bq27x00_device_info {
+	struct device 		*dev;
+	int			id;
+	int			voltage_uV;
+	int			current_uA;
+	int			temp_C;
+	int			charge_rsoc;
+	struct bq27x00_access_methods	*bus;
+	struct power_supply	bat;
+
+	struct i2c_client	*client;
+};
+
+static enum power_supply_property bq27x00_battery_props[] = {
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
+	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_TEMP,
+};
+
+/*
+ * Common code for BQ27x00 devices
+ */
+
+static int bq27x00_read(u8 reg, int *rt_value, int b_single,
+			struct bq27x00_device_info *di)
+{
+	int ret;
+
+	ret = di->bus->read(reg, rt_value, b_single, di);
+	*rt_value = be16_to_cpu(*rt_value);
+
+	return ret;
+}
+
+/*
+ * Return the battery temperature in Celcius degrees
+ * Or < 0 if something fails.
+ */
+static int bq27x00_battery_temperature(struct bq27x00_device_info *di)
+{
+	int ret;
+	int temp = 0;
+
+	ret = bq27x00_read(BQ27x00_REG_TEMP, &temp, 0, di);
+	if (ret) {
+		dev_err(di->dev, "error reading temperature\n");
+		return ret;
+	}
+
+	return (temp >> 2) - 273;
+}
+
+/*
+ * Return the battery Voltage in milivolts
+ * Or < 0 if something fails.
+ */
+static int bq27x00_battery_voltage(struct bq27x00_device_info *di)
+{
+	int ret;
+	int volt = 0;
+
+	ret = bq27x00_read(BQ27x00_REG_VOLT, &volt, 0, di);
+	if (ret) {
+		dev_err(di->dev, "error reading voltage\n");
+		return ret;
+	}
+
+	return volt;
+}
+
+/*
+ * Return the battery average current
+ * Note that current can be negative signed as well
+ * Or 0 if something fails.
+ */
+static int bq27x00_battery_current(struct bq27x00_device_info *di)
+{
+	int ret;
+	int curr = 0;
+	int flags = 0;
+
+	ret = bq27x00_read(BQ27x00_REG_AI, &curr, 0, di);
+	if (ret) {
+		dev_err(di->dev, "error reading current\n");
+		return 0;
+	}
+	ret = bq27x00_read(BQ27x00_REG_FLAGS, &flags, 0, di);
+	if (ret < 0) {
+		dev_err(di->dev, "error reading flags\n");
+		return 0;
+	}
+	if ((flags & (1 << 7)) != 0) {
+		dev_dbg(di->dev, "negative current!\n");
+		return -curr;
+	}
+	return curr;
+}
+
+/*
+ * Return the battery Relative State-of-Charge
+ * Or < 0 if something fails.
+ */
+static int bq27x00_battery_rsoc(struct bq27x00_device_info *di)
+{
+	int ret;
+	int rsoc = 0;
+
+	ret = bq27x00_read(BQ27x00_REG_RSOC, &rsoc, 1, di);
+	if (ret) {
+		dev_err(di->dev, "error reading relative State-of-Charge\n");
+		return ret;
+	}
+
+	return rsoc >> 8;
+}
+
+#define to_bq27x00_device_info(x) container_of((x), \
+				struct bq27x00_device_info, bat);
+
+static int bq27x00_battery_get_property(struct power_supply *psy,
+					enum power_supply_property psp,
+					union power_supply_propval *val)
+{
+	struct bq27x00_device_info *di = to_bq27x00_device_info(psy);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = bq27x00_battery_voltage(di);
+		if (psp == POWER_SUPPLY_PROP_PRESENT)
+			val->intval = val->intval <= 0 ? 0 : 1;
+		break;
+	case POWER_SUPPLY_PROP_CURRENT_NOW:
+		val->intval = bq27x00_battery_current(di);
+		break;
+	case POWER_SUPPLY_PROP_CAPACITY:
+		val->intval = bq27x00_battery_rsoc(di);
+		break;
+	case POWER_SUPPLY_PROP_TEMP:
+		val->intval = bq27x00_battery_temperature(di);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void bq27x00_powersupply_init(struct bq27x00_device_info *di)
+{
+	di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
+	di->bat.properties = bq27x00_battery_props;
+	di->bat.num_properties = ARRAY_SIZE(bq27x00_battery_props);
+	di->bat.get_property = bq27x00_battery_get_property;
+	di->bat.external_power_changed = NULL;
+}
+
+/*
+ * BQ27200 specific code
+ */
+
+static int bq27200_read(u8 reg, int *rt_value, int b_single,
+			struct bq27x00_device_info *di)
+{
+	struct i2c_client *client = di->client;
+	struct i2c_msg msg[1];
+	unsigned char data[2];
+	int err;
+
+	if (!client->adapter)
+		return -ENODEV;
+
+	msg->addr = client->addr;
+	msg->flags = 0;
+	msg->len = 1;
+	msg->buf = data;
+
+	data[0] = reg;
+	err = i2c_transfer(client->adapter, msg, 1);
+
+	if (err >= 0) {
+		if (!b_single)
+			msg->len = 2;
+		else
+			msg->len = 1;
+
+		msg->flags = I2C_M_RD;
+		err = i2c_transfer(client->adapter, msg, 1);
+		if (err >= 0) {
+			if (!b_single)
+				*rt_value = data[1] | HIGH_BYTE(data[0]);
+			else
+				*rt_value = data[0];
+
+			return 0;
+		}
+	}
+	return err;
+}
+
+static int bq27200_battery_probe(struct i2c_client *client,
+				 const struct i2c_device_id *id)
+{
+	char *name;
+	struct bq27x00_device_info *di;
+	struct bq27x00_access_methods *bus;
+	int num;
+	int retval = 0;
+
+	/* Get new ID for the new battery device */
+	retval = idr_pre_get(&battery_id, GFP_KERNEL);
+	if (retval == 0)
+		return -ENOMEM;
+	mutex_lock(&battery_mutex);
+	retval = idr_get_new(&battery_id, client, &num);
+	mutex_unlock(&battery_mutex);
+	if (retval < 0)
+		return retval;
+
+	name = kasprintf(GFP_KERNEL, "bq27200-%d", num);
+	if (!name) {
+		dev_err(&client->dev, "failed to allocate device name\n");
+		retval = -ENOMEM;
+		goto batt_failed_1;
+	}
+
+	di = kzalloc(sizeof(*di), GFP_KERNEL);
+	if (!di) {
+		dev_err(&client->dev, "failed to allocate device info data\n");
+		retval = -ENOMEM;
+		goto batt_failed_2;
+	}
+	di->id = num;
+
+	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
+	if (!bus) {
+		dev_err(&client->dev, "failed to allocate access method "
+					"data\n");
+		retval = -ENOMEM;
+		goto batt_failed_3;
+	}
+
+	i2c_set_clientdata(client, di);
+	di->dev = &client->dev;
+	di->bat.name = name;
+	bus->read = &bq27200_read;
+	di->bus = bus;
+	di->client = client;
+
+	bq27x00_powersupply_init(di);
+
+	retval = power_supply_register(&client->dev, &di->bat);
+	if (retval) {
+		dev_err(&client->dev, "failed to register battery\n");
+		goto batt_failed_4;
+	}
+
+	dev_info(&client->dev, "support ver. %s enabled\n", DRIVER_VERSION);
+
+	return 0;
+
+batt_failed_4:
+	kfree(bus);
+batt_failed_3:
+	kfree(di);
+batt_failed_2:
+	kfree(name);
+batt_failed_1:
+	mutex_lock(&battery_mutex);
+	idr_remove(&battery_id, num);
+	mutex_unlock(&battery_mutex);
+
+	return retval;
+}
+
+static int bq27200_battery_remove(struct i2c_client *client)
+{
+	struct bq27x00_device_info *di = i2c_get_clientdata(client);
+
+	power_supply_unregister(&di->bat);
+
+	kfree(di->bat.name);
+
+	mutex_lock(&battery_mutex);
+	idr_remove(&battery_id, di->id);
+	mutex_unlock(&battery_mutex);
+
+	kfree(di);
+
+	return 0;
+}
+
+/*
+ * Module stuff
+ */
+
+static const struct i2c_device_id bq27200_id[] = {
+	{ "bq27200", 0 },
+	{},
+};
+
+static struct i2c_driver bq27200_battery_driver = {
+	.driver = {
+		.name = "bq27200-battery",
+	},
+	.probe = bq27200_battery_probe,
+	.remove = bq27200_battery_remove,
+	.id_table = bq27200_id,
+};
+
+static int __init bq27x00_battery_init(void)
+{
+	int ret;
+
+	ret = i2c_add_driver(&bq27200_battery_driver);
+	if (ret)
+		printk(KERN_ERR "Unable to register BQ27200 driver\n");
+
+	return ret;
+}
+module_init(bq27x00_battery_init);
+
+static void __exit bq27x00_battery_exit(void)
+{
+	i2c_del_driver(&bq27200_battery_driver);
+}
+module_exit(bq27x00_battery_exit);
+
+MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");
+MODULE_DESCRIPTION("BQ27x00 battery monitor driver");
+MODULE_LICENSE("GPL");
-- 
GitLab


From 31db6e9ea1dbdcf66b8227b4f7035dee1b1dd8c0 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 29 Aug 2008 07:19:50 +0400
Subject: [PATCH 0043/2224] [JFFS2] Move JFFS2 config options out of fs/Kconfig

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/Kconfig       | 190 +----------------------------------------------
 fs/jffs2/Kconfig | 188 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 189 insertions(+), 189 deletions(-)
 create mode 100644 fs/jffs2/Kconfig

diff --git a/fs/Kconfig b/fs/Kconfig
index d3873583360..5831f9c3884 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1136,195 +1136,7 @@ config EFS_FS
 	  To compile the EFS file system support as a module, choose M here: the
 	  module will be called efs.
 
-config JFFS2_FS
-	tristate "Journalling Flash File System v2 (JFFS2) support"
-	select CRC32
-	depends on MTD
-	help
-	  JFFS2 is the second generation of the Journalling Flash File System
-	  for use on diskless embedded devices. It provides improved wear
-	  levelling, compression and support for hard links. You cannot use
-	  this on normal block devices, only on 'MTD' devices.
-
-	  Further information on the design and implementation of JFFS2 is
-	  available at <http://sources.redhat.com/jffs2/>.
-
-config JFFS2_FS_DEBUG
-	int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)"
-	depends on JFFS2_FS
-	default "0"
-	help
-	  This controls the amount of debugging messages produced by the JFFS2
-	  code. Set it to zero for use in production systems. For evaluation,
-	  testing and debugging, it's advisable to set it to one. This will
-	  enable a few assertions and will print debugging messages at the
-	  KERN_DEBUG loglevel, where they won't normally be visible. Level 2
-	  is unlikely to be useful - it enables extra debugging in certain
-	  areas which at one point needed debugging, but when the bugs were
-	  located and fixed, the detailed messages were relegated to level 2.
-
-	  If reporting bugs, please try to have available a full dump of the
-	  messages at debug level 1 while the misbehaviour was occurring.
-
-config JFFS2_FS_WRITEBUFFER
-	bool "JFFS2 write-buffering support"
-	depends on JFFS2_FS
-	default y
-	help
-	  This enables the write-buffering support in JFFS2.
-
-	  This functionality is required to support JFFS2 on the following
-	  types of flash devices:
-	    - NAND flash
-	    - NOR flash with transparent ECC
-	    - DataFlash
-
-config JFFS2_FS_WBUF_VERIFY
-	bool "Verify JFFS2 write-buffer reads"
-	depends on JFFS2_FS_WRITEBUFFER
-	default n
-	help
-	  This causes JFFS2 to read back every page written through the
-	  write-buffer, and check for errors.
-
-config JFFS2_SUMMARY
-	bool "JFFS2 summary support (EXPERIMENTAL)"
-	depends on JFFS2_FS && EXPERIMENTAL
-	default n
-	help
-	  This feature makes it possible to use summary information
-	  for faster filesystem mount.
-
-	  The summary information can be inserted into a filesystem image
-	  by the utility 'sumtool'.
-
-	  If unsure, say 'N'.
-
-config JFFS2_FS_XATTR
-	bool "JFFS2 XATTR support (EXPERIMENTAL)"
-	depends on JFFS2_FS && EXPERIMENTAL
-	default n
-	help
-	  Extended attributes are name:value pairs associated with inodes by
-	  the kernel or by users (see the attr(5) manual page, or visit
-	  <http://acl.bestbits.at/> for details).
-
-	  If unsure, say N.
-
-config JFFS2_FS_POSIX_ACL
-	bool "JFFS2 POSIX Access Control Lists"
-	depends on JFFS2_FS_XATTR
-	default y
-	select FS_POSIX_ACL
-	help
-	  Posix Access Control Lists (ACLs) support permissions for users and
-	  groups beyond the owner/group/world scheme.
-
-	  To learn more about Access Control Lists, visit the Posix ACLs for
-	  Linux website <http://acl.bestbits.at/>.
-
-	  If you don't know what Access Control Lists are, say N
-
-config JFFS2_FS_SECURITY
-	bool "JFFS2 Security Labels"
-	depends on JFFS2_FS_XATTR
-	default y
-	help
-	  Security labels support alternative access control models
-	  implemented by security modules like SELinux.  This option
-	  enables an extended attribute handler for file security
-	  labels in the jffs2 filesystem.
-
-	  If you are not using a security module that requires using
-	  extended attributes for file security labels, say N.
-
-config JFFS2_COMPRESSION_OPTIONS
-	bool "Advanced compression options for JFFS2"
-	depends on JFFS2_FS
-	default n
-	help
-	  Enabling this option allows you to explicitly choose which
-	  compression modules, if any, are enabled in JFFS2. Removing
-	  compressors can mean you cannot read existing file systems,
-	  and enabling experimental compressors can mean that you
-	  write a file system which cannot be read by a standard kernel.
-
-	  If unsure, you should _definitely_ say 'N'.
-
-config JFFS2_ZLIB
-	bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
-	select ZLIB_INFLATE
-	select ZLIB_DEFLATE
-	depends on JFFS2_FS
-	default y
-	help
-	  Zlib is designed to be a free, general-purpose, legally unencumbered,
-	  lossless data-compression library for use on virtually any computer
-	  hardware and operating system. See <http://www.gzip.org/zlib/> for
-	  further information.
-
-	  Say 'Y' if unsure.
-
-config JFFS2_LZO
-	bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
-	select LZO_COMPRESS
-	select LZO_DECOMPRESS
-	depends on JFFS2_FS
-	default n
-	help
-	  minilzo-based compression. Generally works better than Zlib.
-
-	  This feature was added in July, 2007. Say 'N' if you need
-	  compatibility with older bootloaders or kernels.
-
-config JFFS2_RTIME
-	bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
-	depends on JFFS2_FS
-	default y
-	help
-	  Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
-
-config JFFS2_RUBIN
-	bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
-	depends on JFFS2_FS
-	default n
-	help
-	  RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
-
-choice
-	prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
-	default JFFS2_CMODE_PRIORITY
-	depends on JFFS2_FS
-	help
-	  You can set here the default compression mode of JFFS2 from
-	  the available compression modes. Don't touch if unsure.
-
-config JFFS2_CMODE_NONE
-	bool "no compression"
-	help
-	  Uses no compression.
-
-config JFFS2_CMODE_PRIORITY
-	bool "priority"
-	help
-	  Tries the compressors in a predefined order and chooses the first
-	  successful one.
-
-config JFFS2_CMODE_SIZE
-	bool "size (EXPERIMENTAL)"
-	help
-	  Tries all compressors and chooses the one which has the smallest
-	  result.
-
-config JFFS2_CMODE_FAVOURLZO
-	bool "Favour LZO"
-	help
-	  Tries all compressors and chooses the one which has the smallest
-	  result but gives some preference to LZO (which has faster
-	  decompression) at the expense of size.
-
-endchoice
-
+source "fs/jffs2/Kconfig"
 # UBIFS File system configuration
 source "fs/ubifs/Kconfig"
 
diff --git a/fs/jffs2/Kconfig b/fs/jffs2/Kconfig
new file mode 100644
index 00000000000..6ae169cd8fa
--- /dev/null
+++ b/fs/jffs2/Kconfig
@@ -0,0 +1,188 @@
+config JFFS2_FS
+	tristate "Journalling Flash File System v2 (JFFS2) support"
+	select CRC32
+	depends on MTD
+	help
+	  JFFS2 is the second generation of the Journalling Flash File System
+	  for use on diskless embedded devices. It provides improved wear
+	  levelling, compression and support for hard links. You cannot use
+	  this on normal block devices, only on 'MTD' devices.
+
+	  Further information on the design and implementation of JFFS2 is
+	  available at <http://sources.redhat.com/jffs2/>.
+
+config JFFS2_FS_DEBUG
+	int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)"
+	depends on JFFS2_FS
+	default "0"
+	help
+	  This controls the amount of debugging messages produced by the JFFS2
+	  code. Set it to zero for use in production systems. For evaluation,
+	  testing and debugging, it's advisable to set it to one. This will
+	  enable a few assertions and will print debugging messages at the
+	  KERN_DEBUG loglevel, where they won't normally be visible. Level 2
+	  is unlikely to be useful - it enables extra debugging in certain
+	  areas which at one point needed debugging, but when the bugs were
+	  located and fixed, the detailed messages were relegated to level 2.
+
+	  If reporting bugs, please try to have available a full dump of the
+	  messages at debug level 1 while the misbehaviour was occurring.
+
+config JFFS2_FS_WRITEBUFFER
+	bool "JFFS2 write-buffering support"
+	depends on JFFS2_FS
+	default y
+	help
+	  This enables the write-buffering support in JFFS2.
+
+	  This functionality is required to support JFFS2 on the following
+	  types of flash devices:
+	    - NAND flash
+	    - NOR flash with transparent ECC
+	    - DataFlash
+
+config JFFS2_FS_WBUF_VERIFY
+	bool "Verify JFFS2 write-buffer reads"
+	depends on JFFS2_FS_WRITEBUFFER
+	default n
+	help
+	  This causes JFFS2 to read back every page written through the
+	  write-buffer, and check for errors.
+
+config JFFS2_SUMMARY
+	bool "JFFS2 summary support (EXPERIMENTAL)"
+	depends on JFFS2_FS && EXPERIMENTAL
+	default n
+	help
+	  This feature makes it possible to use summary information
+	  for faster filesystem mount.
+
+	  The summary information can be inserted into a filesystem image
+	  by the utility 'sumtool'.
+
+	  If unsure, say 'N'.
+
+config JFFS2_FS_XATTR
+	bool "JFFS2 XATTR support (EXPERIMENTAL)"
+	depends on JFFS2_FS && EXPERIMENTAL
+	default n
+	help
+	  Extended attributes are name:value pairs associated with inodes by
+	  the kernel or by users (see the attr(5) manual page, or visit
+	  <http://acl.bestbits.at/> for details).
+
+	  If unsure, say N.
+
+config JFFS2_FS_POSIX_ACL
+	bool "JFFS2 POSIX Access Control Lists"
+	depends on JFFS2_FS_XATTR
+	default y
+	select FS_POSIX_ACL
+	help
+	  Posix Access Control Lists (ACLs) support permissions for users and
+	  groups beyond the owner/group/world scheme.
+
+	  To learn more about Access Control Lists, visit the Posix ACLs for
+	  Linux website <http://acl.bestbits.at/>.
+
+	  If you don't know what Access Control Lists are, say N
+
+config JFFS2_FS_SECURITY
+	bool "JFFS2 Security Labels"
+	depends on JFFS2_FS_XATTR
+	default y
+	help
+	  Security labels support alternative access control models
+	  implemented by security modules like SELinux.  This option
+	  enables an extended attribute handler for file security
+	  labels in the jffs2 filesystem.
+
+	  If you are not using a security module that requires using
+	  extended attributes for file security labels, say N.
+
+config JFFS2_COMPRESSION_OPTIONS
+	bool "Advanced compression options for JFFS2"
+	depends on JFFS2_FS
+	default n
+	help
+	  Enabling this option allows you to explicitly choose which
+	  compression modules, if any, are enabled in JFFS2. Removing
+	  compressors can mean you cannot read existing file systems,
+	  and enabling experimental compressors can mean that you
+	  write a file system which cannot be read by a standard kernel.
+
+	  If unsure, you should _definitely_ say 'N'.
+
+config JFFS2_ZLIB
+	bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
+	select ZLIB_INFLATE
+	select ZLIB_DEFLATE
+	depends on JFFS2_FS
+	default y
+	help
+	  Zlib is designed to be a free, general-purpose, legally unencumbered,
+	  lossless data-compression library for use on virtually any computer
+	  hardware and operating system. See <http://www.gzip.org/zlib/> for
+	  further information.
+
+	  Say 'Y' if unsure.
+
+config JFFS2_LZO
+	bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
+	select LZO_COMPRESS
+	select LZO_DECOMPRESS
+	depends on JFFS2_FS
+	default n
+	help
+	  minilzo-based compression. Generally works better than Zlib.
+
+	  This feature was added in July, 2007. Say 'N' if you need
+	  compatibility with older bootloaders or kernels.
+
+config JFFS2_RTIME
+	bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
+	depends on JFFS2_FS
+	default y
+	help
+	  Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
+
+config JFFS2_RUBIN
+	bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
+	depends on JFFS2_FS
+	default n
+	help
+	  RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
+
+choice
+	prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
+	default JFFS2_CMODE_PRIORITY
+	depends on JFFS2_FS
+	help
+	  You can set here the default compression mode of JFFS2 from
+	  the available compression modes. Don't touch if unsure.
+
+config JFFS2_CMODE_NONE
+	bool "no compression"
+	help
+	  Uses no compression.
+
+config JFFS2_CMODE_PRIORITY
+	bool "priority"
+	help
+	  Tries the compressors in a predefined order and chooses the first
+	  successful one.
+
+config JFFS2_CMODE_SIZE
+	bool "size (EXPERIMENTAL)"
+	help
+	  Tries all compressors and chooses the one which has the smallest
+	  result.
+
+config JFFS2_CMODE_FAVOURLZO
+	bool "Favour LZO"
+	help
+	  Tries all compressors and chooses the one which has the smallest
+	  result but gives some preference to LZO (which has faster
+	  decompression) at the expense of size.
+
+endchoice
-- 
GitLab


From 3fc678a0e63138f56109ea31850f19b2e29c45b8 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Wed, 27 Aug 2008 14:48:32 +0100
Subject: [PATCH 0044/2224] CRED: Wrap task credential accesses in the JFFS2
 filesystem

Wrap access to task credentials so that they can be separated more easily from
the task_struct during the introduction of COW creds.

Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id().

Change some task->e?[ug]id to task_e?[ug]id().  In some places it makes more
sense to use RCU directly rather than a convenient wrapper; these will be
addressed by later patches.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/fs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 89e9b735d8d..249305d65d5 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -442,14 +442,14 @@ struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_i
 
 	memset(ri, 0, sizeof(*ri));
 	/* Set OS-specific defaults for new inodes */
-	ri->uid = cpu_to_je16(current->fsuid);
+	ri->uid = cpu_to_je16(current_fsuid());
 
 	if (dir_i->i_mode & S_ISGID) {
 		ri->gid = cpu_to_je16(dir_i->i_gid);
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else {
-		ri->gid = cpu_to_je16(current->fsgid);
+		ri->gid = cpu_to_je16(current_fsgid());
 	}
 
 	/* POSIX ACLs have to be processed now, at least partly.
-- 
GitLab


From 4262bd2981307258b31e15f1a526d2b3884e77b5 Mon Sep 17 00:00:00 2001
From: Semun Lee <semun.lee@samsung.com>
Date: Mon, 1 Sep 2008 11:49:27 +0100
Subject: [PATCH 0045/2224] [MTD] [NAND] pxa3xx_nand_flash: Add definition of
 STM2GbX16 NAND flashes

Signed-off-by: Semun Lee <semun.lee@samsung.com>
Acked-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index a64ad15b8fd..0cd213c8e69 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -291,10 +291,33 @@ static struct pxa3xx_nand_flash micron1GbX16 = {
 	.chip_id	= 0xb12c,
 };
 
+static struct pxa3xx_nand_timing stm2GbX16_timing = {
+	.tCH = 10,
+	.tCS = 35,
+	.tWH = 15,
+	.tWP = 25,
+	.tRH = 15,
+	.tRP = 25,
+	.tR = 25000,
+	.tWHR = 60,
+	.tAR = 10,
+};
+
+static struct pxa3xx_nand_flash stm2GbX16 = {
+	.timing = &stm2GbX16_timing,
+	.page_per_block = 64,
+	.page_size = 2048,
+	.flash_width = 16,
+	.dfc_width = 16,
+	.num_blocks = 2048,
+	.chip_id = 0xba20,
+};
+
 static struct pxa3xx_nand_flash *builtin_flash_types[] = {
 	&samsung512MbX16,
 	&micron1GbX8,
 	&micron1GbX16,
+	&stm2GbX16,
 };
 
 #define NDTR0_tCH(c)	(min((c), 7) << 19)
-- 
GitLab


From 5e706469a0518ec640a122aa5da22035e2af003a Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 1 Sep 2008 12:21:05 +0100
Subject: [PATCH 0046/2224] [MTD] [NOR] Select MTD_CFI_UTIL when MTD_CFI probe
 routine is enabled

It requires cfi_qry_mode_on(), which is in cfi_util.c

Reported by Russell King

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index 9401bfec462..9408099eec4 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -6,6 +6,7 @@ menu "RAM/ROM/Flash chip drivers"
 config MTD_CFI
 	tristate "Detect flash chips by Common Flash Interface (CFI) probe"
 	select MTD_GEN_PROBE
+	select MTD_CFI_UTIL
 	help
 	  The Common Flash Interface specification was developed by Intel,
 	  AMD and other flash manufactures that provides a universal method
-- 
GitLab


From 43035338ad772b6a4097b2ac530b75390bee87c1 Mon Sep 17 00:00:00 2001
From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Date: Fri, 29 Aug 2008 12:57:28 +0200
Subject: [PATCH 0047/2224] [MTD] [NAND] pxa3xx_nand: moved nand definitions
 into shared platform header

This patch moves the exported datastructures from the pxa3xx_nand.c driver
into the <mach/pxa3xx_nand.h> header. This is a plain movement without
any modification of the attributes.

This is the first one of a set of patches which:

 * allows to specify used NAND flash in the platform code and allows to turn
   off the old way to specify NAND characteristics in the driver.  This way did
   not worked well as these characteristics depend on the platform and can not be
   derived from NAND id alone.

   E.g.  some NAND chips share the same ID (e.g.  K9K8G08U0A and K9NBG08U5A) but
   have different timings (which are written in the common driver currently and
   must be modified there).

 * adds 'const' annotations at various places

Further patches will be sent to the mtd-list.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/mach-pxa/include/mach/pxa3xx_nand.h | 44 ++++++++++++++++++++
 drivers/mtd/nand/pxa3xx_nand.c               | 44 --------------------
 2 files changed, 44 insertions(+), 44 deletions(-)

diff --git a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
index eb4b190b665..0dc50d82ea7 100644
--- a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
+++ b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
@@ -4,6 +4,50 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 
+struct pxa3xx_nand_timing {
+	unsigned int	tCH;  /* Enable signal hold time */
+	unsigned int	tCS;  /* Enable signal setup time */
+	unsigned int	tWH;  /* ND_nWE high duration */
+	unsigned int	tWP;  /* ND_nWE pulse time */
+	unsigned int	tRH;  /* ND_nRE high duration */
+	unsigned int	tRP;  /* ND_nRE pulse width */
+	unsigned int	tR;   /* ND_nWE high to ND_nRE low for read */
+	unsigned int	tWHR; /* ND_nWE high to ND_nRE low for status read */
+	unsigned int	tAR;  /* ND_ALE low to ND_nRE low delay */
+};
+
+struct pxa3xx_nand_cmdset {
+	uint16_t	read1;
+	uint16_t	read2;
+	uint16_t	program;
+	uint16_t	read_status;
+	uint16_t	read_id;
+	uint16_t	erase;
+	uint16_t	reset;
+	uint16_t	lock;
+	uint16_t	unlock;
+	uint16_t	lock_status;
+};
+
+struct pxa3xx_nand_flash {
+	struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
+	struct pxa3xx_nand_cmdset *cmdset;
+
+	uint32_t page_per_block;/* Pages per block (PG_PER_BLK) */
+	uint32_t page_size;	/* Page size in bytes (PAGE_SZ) */
+	uint32_t flash_width;	/* Width of Flash memory (DWIDTH_M) */
+	uint32_t dfc_width;	/* Width of flash controller(DWIDTH_C) */
+	uint32_t num_blocks;	/* Number of physical blocks in Flash */
+	uint32_t chip_id;
+
+	/* NOTE: these are automatically calculated, do not define */
+	size_t		oob_size;
+	size_t		read_id_bytes;
+
+	unsigned int	col_addr_cycles;
+	unsigned int	row_addr_cycles;
+};
+
 struct pxa3xx_nand_platform_data {
 
 	/* the data flash bus is shared between the Static Memory
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 0cd213c8e69..203e8efefb3 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -115,50 +115,6 @@ enum {
 	STATE_PIO_WRITING,
 };
 
-struct pxa3xx_nand_timing {
-	unsigned int	tCH;  /* Enable signal hold time */
-	unsigned int	tCS;  /* Enable signal setup time */
-	unsigned int	tWH;  /* ND_nWE high duration */
-	unsigned int	tWP;  /* ND_nWE pulse time */
-	unsigned int	tRH;  /* ND_nRE high duration */
-	unsigned int	tRP;  /* ND_nRE pulse width */
-	unsigned int	tR;   /* ND_nWE high to ND_nRE low for read */
-	unsigned int	tWHR; /* ND_nWE high to ND_nRE low for status read */
-	unsigned int	tAR;  /* ND_ALE low to ND_nRE low delay */
-};
-
-struct pxa3xx_nand_cmdset {
-	uint16_t	read1;
-	uint16_t	read2;
-	uint16_t	program;
-	uint16_t	read_status;
-	uint16_t	read_id;
-	uint16_t	erase;
-	uint16_t	reset;
-	uint16_t	lock;
-	uint16_t	unlock;
-	uint16_t	lock_status;
-};
-
-struct pxa3xx_nand_flash {
-	struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
-	struct pxa3xx_nand_cmdset *cmdset;
-
-	uint32_t page_per_block;/* Pages per block (PG_PER_BLK) */
-	uint32_t page_size;	/* Page size in bytes (PAGE_SZ) */
-	uint32_t flash_width;	/* Width of Flash memory (DWIDTH_M) */
-	uint32_t dfc_width;	/* Width of flash controller(DWIDTH_C) */
-	uint32_t num_blocks;	/* Number of physical blocks in Flash */
-	uint32_t chip_id;
-
-	/* NOTE: these are automatically calculated, do not define */
-	size_t		oob_size;
-	size_t		read_id_bytes;
-
-	unsigned int	col_addr_cycles;
-	unsigned int	row_addr_cycles;
-};
-
 struct pxa3xx_nand_info {
 	struct nand_chip	nand_chip;
 
-- 
GitLab


From c8ac3f818e1183eab8d08a41b01b6078c5df4b43 Mon Sep 17 00:00:00 2001
From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Date: Fri, 29 Aug 2008 12:59:48 +0200
Subject: [PATCH 0048/2224] [MTD] [NAND] pxa3xx_nand: allow to define flash
 types in the platform data

This patch adds 'flash' and 'num_flash' attributes to the platform data.
There was added code in the driver to iterate across these attributes in the
detect-flash routine.  This is done similarly to the existing method
which uses a 'builtin_flash_types' field.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/mach-pxa/include/mach/pxa3xx_nand.h |  3 +++
 drivers/mtd/nand/pxa3xx_nand.c               | 18 ++++++++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
index 0dc50d82ea7..6ac9aea0b0b 100644
--- a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
+++ b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
@@ -58,6 +58,9 @@ struct pxa3xx_nand_platform_data {
 
 	struct mtd_partition *parts;
 	unsigned int	nr_parts;
+
+	struct pxa3xx_nand_flash * const	flash;
+	size_t					num_flash;
 };
 
 extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info);
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 203e8efefb3..1906aba7e73 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -911,12 +911,26 @@ static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info,
 	return 0;
 }
 
-static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info)
+static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
+				    const struct pxa3xx_nand_platform_data *pdata)
 {
 	struct pxa3xx_nand_flash *f;
 	uint32_t id;
 	int i;
 
+	for (i = 0; i<pdata->num_flash; ++i) {
+		f = pdata->flash + i;
+
+		if (pxa3xx_nand_config_flash(info, f))
+			continue;
+
+		if (__readid(info, &id))
+			continue;
+
+		if (id == f->chip_id)
+			return 0;
+	}
+
 	for (i = 0; i < ARRAY_SIZE(builtin_flash_types); i++) {
 
 		f = builtin_flash_types[i];
@@ -1114,7 +1128,7 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
 		goto fail_free_buf;
 	}
 
-	ret = pxa3xx_nand_detect_flash(info);
+	ret = pxa3xx_nand_detect_flash(info, pdata);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to detect flash\n");
 		ret = -ENODEV;
-- 
GitLab


From 80ebf20f34c30760cfba7b5e0a418241181d2cd9 Mon Sep 17 00:00:00 2001
From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Date: Fri, 29 Aug 2008 12:59:49 +0200
Subject: [PATCH 0049/2224] [MTD] [NAND] pxa3xx_nand: allow to disable builtin
 flash-type table

This patch adds a MTD_NAND_PXA3xx_BUILTIN configuration variables which
allows to disable usage of builtin flash-type table.  Not enabling this
option saves some space in the generated driver.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig       | 7 +++++++
 drivers/mtd/nand/pxa3xx_nand.c | 4 ++++
 2 files changed, 11 insertions(+)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 8eb2b06cf0d..6eebe852b9b 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -334,6 +334,13 @@ config MTD_NAND_PXA3xx
 	  This enables the driver for the NAND flash device found on
 	  PXA3xx processors
 
+config MTD_NAND_PXA3xx_BUILTIN
+	bool "Use builtin definitions for some NAND chips (deprecated)"
+	depends on MTD_NAND_PXA3xx
+	help
+	  This enables builtin definitions for some NAND chips. This
+	  is deprecated in favor of platform specific data.
+
 config MTD_NAND_CM_X270
 	tristate "Support for NAND Flash on CM-X270 modules"
 	depends on MTD_NAND && MACH_ARMCORE
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 1906aba7e73..e492804b3d9 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -164,6 +164,7 @@ static int use_dma = 1;
 module_param(use_dma, bool, 0444);
 MODULE_PARM_DESC(use_dma, "enable DMA for data transfering to/from NAND HW");
 
+#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN
 static struct pxa3xx_nand_cmdset smallpage_cmdset = {
 	.read1		= 0x0000,
 	.read2		= 0x0050,
@@ -275,6 +276,7 @@ static struct pxa3xx_nand_flash *builtin_flash_types[] = {
 	&micron1GbX16,
 	&stm2GbX16,
 };
+#endif /* CONFIG_MTD_NAND_PXA3xx_BUILTIN */
 
 #define NDTR0_tCH(c)	(min((c), 7) << 19)
 #define NDTR0_tCS(c)	(min((c), 7) << 16)
@@ -931,6 +933,7 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
 			return 0;
 	}
 
+#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN
 	for (i = 0; i < ARRAY_SIZE(builtin_flash_types); i++) {
 
 		f = builtin_flash_types[i];
@@ -944,6 +947,7 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
 		if (id == f->chip_id)
 			return 0;
 	}
+#endif
 
 	return -ENODEV;
 }
-- 
GitLab


From 7dad482ed0648a40e403d1ed44e0ea92248632f1 Mon Sep 17 00:00:00 2001
From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Date: Fri, 29 Aug 2008 12:59:50 +0200
Subject: [PATCH 0050/2224] [MTD] [NAND] pxa3xx_nand: added some 'const'
 annotations to the exported API

This patch marks some attributes as 'const' which are set only once and
never be modified by the driver.  There are some changes in parameter
list and variable declarations too which mark them as 'const'.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/mach-pxa/include/mach/pxa3xx_nand.h |  8 ++++----
 drivers/mtd/nand/pxa3xx_nand.c               | 10 +++++-----
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
index 6ac9aea0b0b..cfcb2e21aee 100644
--- a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
+++ b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
@@ -30,8 +30,8 @@ struct pxa3xx_nand_cmdset {
 };
 
 struct pxa3xx_nand_flash {
-	struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
-	struct pxa3xx_nand_cmdset *cmdset;
+	const struct pxa3xx_nand_timing *timing; /* NAND Flash timing */
+	const struct pxa3xx_nand_cmdset *cmdset;
 
 	uint32_t page_per_block;/* Pages per block (PG_PER_BLK) */
 	uint32_t page_size;	/* Page size in bytes (PAGE_SZ) */
@@ -56,8 +56,8 @@ struct pxa3xx_nand_platform_data {
 	 */
 	int	enable_arbiter;
 
-	struct mtd_partition *parts;
-	unsigned int	nr_parts;
+	const struct mtd_partition		*parts;
+	unsigned int				nr_parts;
 
 	struct pxa3xx_nand_flash * const	flash;
 	size_t					num_flash;
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index e492804b3d9..af174054656 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -293,7 +293,7 @@ static struct pxa3xx_nand_flash *builtin_flash_types[] = {
 #define ns2cycle(ns, clk)	(int)(((ns) * (clk / 1000000) / 1000) + 1)
 
 static void pxa3xx_nand_set_timing(struct pxa3xx_nand_info *info,
-				   struct pxa3xx_nand_timing *t)
+				   const struct pxa3xx_nand_timing *t)
 {
 	unsigned long nand_clk = clk_get_rate(info->clk);
 	uint32_t ndtr0, ndtr1;
@@ -336,7 +336,7 @@ static int prepare_read_prog_cmd(struct pxa3xx_nand_info *info,
 			uint16_t cmd, int column, int page_addr)
 {
 	struct pxa3xx_nand_flash *f = info->flash_info;
-	struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
+	const struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
 
 	/* calculate data size */
 	switch (f->page_size) {
@@ -387,7 +387,7 @@ static int prepare_erase_cmd(struct pxa3xx_nand_info *info,
 
 static int prepare_other_cmd(struct pxa3xx_nand_info *info, uint16_t cmd)
 {
-	struct pxa3xx_nand_cmdset *cmdset = info->flash_info->cmdset;
+	const struct pxa3xx_nand_cmdset *cmdset = info->flash_info->cmdset;
 
 	info->ndcb0 = cmd | ((cmd & 0xff00) ? NDCB0_DBC : 0);
 	info->ndcb1 = 0;
@@ -623,7 +623,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
 {
 	struct pxa3xx_nand_info *info = mtd->priv;
 	struct pxa3xx_nand_flash *flash_info = info->flash_info;
-	struct pxa3xx_nand_cmdset *cmdset = flash_info->cmdset;
+	const struct pxa3xx_nand_cmdset *cmdset = flash_info->cmdset;
 	int ret;
 
 	info->use_dma = (use_dma) ? 1 : 0;
@@ -843,7 +843,7 @@ static int pxa3xx_nand_ecc_correct(struct mtd_info *mtd,
 static int __readid(struct pxa3xx_nand_info *info, uint32_t *id)
 {
 	struct pxa3xx_nand_flash *f = info->flash_info;
-	struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
+	const struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
 	uint32_t ndcr;
 	uint8_t  id_buff[8];
 
-- 
GitLab


From c8c17c888d936c58ceb28b084a6272d67e10ea28 Mon Sep 17 00:00:00 2001
From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Date: Fri, 29 Aug 2008 12:59:51 +0200
Subject: [PATCH 0051/2224] [MTD] [NAND] pxa3xx_nand: moved some helper
 variables out from platform data

This patch moves some attributes out from the platform data into the
dynamically created nand device.   This results into a cleaner interface
and allows to use constant pxa3xx_nand_flash definitions.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/mach-pxa/include/mach/pxa3xx_nand.h |  9 +---
 drivers/mtd/nand/pxa3xx_nand.c               | 43 ++++++++++++--------
 2 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
index cfcb2e21aee..eb35fca9aea 100644
--- a/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
+++ b/arch/arm/mach-pxa/include/mach/pxa3xx_nand.h
@@ -39,13 +39,6 @@ struct pxa3xx_nand_flash {
 	uint32_t dfc_width;	/* Width of flash controller(DWIDTH_C) */
 	uint32_t num_blocks;	/* Number of physical blocks in Flash */
 	uint32_t chip_id;
-
-	/* NOTE: these are automatically calculated, do not define */
-	size_t		oob_size;
-	size_t		read_id_bytes;
-
-	unsigned int	col_addr_cycles;
-	unsigned int	row_addr_cycles;
 };
 
 struct pxa3xx_nand_platform_data {
@@ -59,7 +52,7 @@ struct pxa3xx_nand_platform_data {
 	const struct mtd_partition		*parts;
 	unsigned int				nr_parts;
 
-	struct pxa3xx_nand_flash * const	flash;
+	const struct pxa3xx_nand_flash * 	flash;
 	size_t					num_flash;
 };
 
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index af174054656..bc37f551edf 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -119,7 +119,7 @@ struct pxa3xx_nand_info {
 	struct nand_chip	nand_chip;
 
 	struct platform_device	 *pdev;
-	struct pxa3xx_nand_flash *flash_info;
+	const struct pxa3xx_nand_flash *flash_info;
 
 	struct clk		*clk;
 	void __iomem		*mmio_base;
@@ -158,6 +158,13 @@ struct pxa3xx_nand_info {
 	uint32_t		ndcb0;
 	uint32_t		ndcb1;
 	uint32_t		ndcb2;
+
+	/* calculated from pxa3xx_nand_flash data */
+	size_t		oob_size;
+	size_t		read_id_bytes;
+
+	unsigned int	col_addr_cycles;
+	unsigned int	row_addr_cycles;
 };
 
 static int use_dma = 1;
@@ -335,7 +342,7 @@ static int wait_for_event(struct pxa3xx_nand_info *info, uint32_t event)
 static int prepare_read_prog_cmd(struct pxa3xx_nand_info *info,
 			uint16_t cmd, int column, int page_addr)
 {
-	struct pxa3xx_nand_flash *f = info->flash_info;
+	const struct pxa3xx_nand_flash *f = info->flash_info;
 	const struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
 
 	/* calculate data size */
@@ -354,14 +361,14 @@ static int prepare_read_prog_cmd(struct pxa3xx_nand_info *info,
 	info->ndcb0 = cmd | ((cmd & 0xff00) ? NDCB0_DBC : 0);
 	info->ndcb1 = 0;
 	info->ndcb2 = 0;
-	info->ndcb0 |= NDCB0_ADDR_CYC(f->row_addr_cycles + f->col_addr_cycles);
+	info->ndcb0 |= NDCB0_ADDR_CYC(info->row_addr_cycles + info->col_addr_cycles);
 
-	if (f->col_addr_cycles == 2) {
+	if (info->col_addr_cycles == 2) {
 		/* large block, 2 cycles for column address
 		 * row address starts from 3rd cycle
 		 */
 		info->ndcb1 |= (page_addr << 16) | (column & 0xffff);
-		if (f->row_addr_cycles == 3)
+		if (info->row_addr_cycles == 3)
 			info->ndcb2 = (page_addr >> 16) & 0xff;
 	} else
 		/* small block, 1 cycles for column address
@@ -622,7 +629,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
 				int column, int page_addr)
 {
 	struct pxa3xx_nand_info *info = mtd->priv;
-	struct pxa3xx_nand_flash *flash_info = info->flash_info;
+	const struct pxa3xx_nand_flash *flash_info = info->flash_info;
 	const struct pxa3xx_nand_cmdset *cmdset = flash_info->cmdset;
 	int ret;
 
@@ -701,7 +708,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
 		info->use_dma = 0;	/* force PIO read */
 		info->buf_start = 0;
 		info->buf_count = (command == NAND_CMD_READID) ?
-				flash_info->read_id_bytes : 1;
+				info->read_id_bytes : 1;
 
 		if (prepare_other_cmd(info, (command == NAND_CMD_READID) ?
 				cmdset->read_id : cmdset->read_status))
@@ -842,7 +849,7 @@ static int pxa3xx_nand_ecc_correct(struct mtd_info *mtd,
 
 static int __readid(struct pxa3xx_nand_info *info, uint32_t *id)
 {
-	struct pxa3xx_nand_flash *f = info->flash_info;
+	const struct pxa3xx_nand_flash *f = info->flash_info;
 	const struct pxa3xx_nand_cmdset *cmdset = f->cmdset;
 	uint32_t ndcr;
 	uint8_t  id_buff[8];
@@ -872,7 +879,7 @@ fail_timeout:
 }
 
 static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info,
-				    struct pxa3xx_nand_flash *f)
+				    const struct pxa3xx_nand_flash *f)
 {
 	struct platform_device *pdev = info->pdev;
 	struct pxa3xx_nand_platform_data *pdata = pdev->dev.platform_data;
@@ -885,25 +892,25 @@ static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info,
 		return -EINVAL;
 
 	/* calculate flash information */
-	f->oob_size = (f->page_size == 2048) ? 64 : 16;
-	f->read_id_bytes = (f->page_size == 2048) ? 4 : 2;
+	info->oob_size = (f->page_size == 2048) ? 64 : 16;
+	info->read_id_bytes = (f->page_size == 2048) ? 4 : 2;
 
 	/* calculate addressing information */
-	f->col_addr_cycles = (f->page_size == 2048) ? 2 : 1;
+	info->col_addr_cycles = (f->page_size == 2048) ? 2 : 1;
 
 	if (f->num_blocks * f->page_per_block > 65536)
-		f->row_addr_cycles = 3;
+		info->row_addr_cycles = 3;
 	else
-		f->row_addr_cycles = 2;
+		info->row_addr_cycles = 2;
 
 	ndcr |= (pdata->enable_arbiter) ? NDCR_ND_ARB_EN : 0;
-	ndcr |= (f->col_addr_cycles == 2) ? NDCR_RA_START : 0;
+	ndcr |= (info->col_addr_cycles == 2) ? NDCR_RA_START : 0;
 	ndcr |= (f->page_per_block == 64) ? NDCR_PG_PER_BLK : 0;
 	ndcr |= (f->page_size == 2048) ? NDCR_PAGE_SZ : 0;
 	ndcr |= (f->flash_width == 16) ? NDCR_DWIDTH_M : 0;
 	ndcr |= (f->dfc_width == 16) ? NDCR_DWIDTH_C : 0;
 
-	ndcr |= NDCR_RD_ID_CNT(f->read_id_bytes);
+	ndcr |= NDCR_RD_ID_CNT(info->read_id_bytes);
 	ndcr |= NDCR_SPARE_EN; /* enable spare by default */
 
 	info->reg_ndcr = ndcr;
@@ -916,7 +923,7 @@ static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info,
 static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
 				    const struct pxa3xx_nand_platform_data *pdata)
 {
-	struct pxa3xx_nand_flash *f;
+	const struct pxa3xx_nand_flash *f;
 	uint32_t id;
 	int i;
 
@@ -1011,7 +1018,7 @@ static struct nand_ecclayout hw_largepage_ecclayout = {
 static void pxa3xx_nand_init_mtd(struct mtd_info *mtd,
 				 struct pxa3xx_nand_info *info)
 {
-	struct pxa3xx_nand_flash *f = info->flash_info;
+	const struct pxa3xx_nand_flash *f = info->flash_info;
 	struct nand_chip *this = &info->nand_chip;
 
 	this->options = (f->flash_width == 16) ? NAND_BUSWIDTH_16: 0;
-- 
GitLab


From 2675e9447bb5c861dbd29c5fe55b7ce2ad3ff0f5 Mon Sep 17 00:00:00 2001
From: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Date: Fri, 29 Aug 2008 12:59:52 +0200
Subject: [PATCH 0052/2224] [MTD] [NAND] pxa3xx_nand: added warning which tells
 id of detected NAND

Minor patch to help debugging of NAND detection.

Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index bc37f551edf..c0fa9c9edf0 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -924,7 +924,7 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
 				    const struct pxa3xx_nand_platform_data *pdata)
 {
 	const struct pxa3xx_nand_flash *f;
-	uint32_t id;
+	uint32_t id = -1;
 	int i;
 
 	for (i = 0; i<pdata->num_flash; ++i) {
@@ -956,6 +956,9 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info,
 	}
 #endif
 
+	dev_warn(&info->pdev->dev,
+		 "failed to detect configured nand flash; found %04x instead of\n",
+		 id);
 	return -ENODEV;
 }
 
-- 
GitLab


From 34f6e15786293e8d6ed05f9c19ed784ff15d2702 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 2 Sep 2008 17:16:59 +0200
Subject: [PATCH 0053/2224] [MTD] [NAND] Freescale i.MX2 NAND driver

This patch adds support for the integrated NAND flash controller of the
i.MX2 and i.MX3 family. It is tested on MX27 but should work on MX3
aswell.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Juergen Beisert <j.beisert@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/arm/plat-mxc/include/mach/mxc_nand.h |   27 +
 drivers/mtd/nand/Kconfig                  |    7 +
 drivers/mtd/nand/Makefile                 |    1 +
 drivers/mtd/nand/mxc_nand.c               | 1077 +++++++++++++++++++++
 4 files changed, 1112 insertions(+)
 create mode 100644 arch/arm/plat-mxc/include/mach/mxc_nand.h
 create mode 100644 drivers/mtd/nand/mxc_nand.c

diff --git a/arch/arm/plat-mxc/include/mach/mxc_nand.h b/arch/arm/plat-mxc/include/mach/mxc_nand.h
new file mode 100644
index 00000000000..2b972df22d1
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mxc_nand.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef __ASM_ARCH_NAND_H
+#define __ASM_ARCH_NAND_H
+
+struct mxc_nand_platform_data {
+	int width;	/* data bus width in bytes */
+	int hw_ecc;	/* 0 if supress hardware ECC */
+};
+#endif /* __ASM_ARCH_NAND_H */
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 6eebe852b9b..7153854eb83 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -407,4 +407,11 @@ config MTD_NAND_FSL_UPM
 	  Enables support for NAND Flash chips wired onto Freescale PowerPC
 	  processor localbus with User-Programmable Machine support.
 
+config MTD_NAND_MXC
+	tristate "MXC NAND support"
+	depends on ARCH_MX2
+	help
+	  This enables the driver for the NAND flash controller on the
+	  MXC processors.
+
 endif # MTD_NAND
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 8540c46ffba..e0fee048c1b 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -33,5 +33,6 @@ obj-$(CONFIG_MTD_NAND_PASEMI)		+= pasemi_nand.o
 obj-$(CONFIG_MTD_NAND_ORION)		+= orion_nand.o
 obj-$(CONFIG_MTD_NAND_FSL_ELBC)		+= fsl_elbc_nand.o
 obj-$(CONFIG_MTD_NAND_FSL_UPM)		+= fsl_upm.o
+obj-$(CONFIG_MTD_NAND_MXC)		+= mxc_nand.o
 
 nand-objs := nand_base.o nand_bbt.o
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
new file mode 100644
index 00000000000..21fd4f1c480
--- /dev/null
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -0,0 +1,1077 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/mach/flash.h>
+#include <mach/mxc_nand.h>
+
+#define DRIVER_NAME "mxc_nand"
+
+/* Addresses for NFC registers */
+#define NFC_BUF_SIZE		0xE00
+#define NFC_BUF_ADDR		0xE04
+#define NFC_FLASH_ADDR		0xE06
+#define NFC_FLASH_CMD		0xE08
+#define NFC_CONFIG		0xE0A
+#define NFC_ECC_STATUS_RESULT	0xE0C
+#define NFC_RSLTMAIN_AREA	0xE0E
+#define NFC_RSLTSPARE_AREA	0xE10
+#define NFC_WRPROT		0xE12
+#define NFC_UNLOCKSTART_BLKADDR	0xE14
+#define NFC_UNLOCKEND_BLKADDR	0xE16
+#define NFC_NF_WRPRST		0xE18
+#define NFC_CONFIG1		0xE1A
+#define NFC_CONFIG2		0xE1C
+
+/* Addresses for NFC RAM BUFFER Main area 0 */
+#define MAIN_AREA0		0x000
+#define MAIN_AREA1		0x200
+#define MAIN_AREA2		0x400
+#define MAIN_AREA3		0x600
+
+/* Addresses for NFC SPARE BUFFER Spare area 0 */
+#define SPARE_AREA0		0x800
+#define SPARE_AREA1		0x810
+#define SPARE_AREA2		0x820
+#define SPARE_AREA3		0x830
+
+/* Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register
+ * for Command operation */
+#define NFC_CMD            0x1
+
+/* Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register
+ * for Address operation */
+#define NFC_ADDR           0x2
+
+/* Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register
+ * for Input operation */
+#define NFC_INPUT          0x4
+
+/* Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register
+ * for Data Output operation */
+#define NFC_OUTPUT         0x8
+
+/* Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register
+ * for Read ID operation */
+#define NFC_ID             0x10
+
+/* Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register
+ * for Read Status operation */
+#define NFC_STATUS         0x20
+
+/* Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read
+ * Status operation */
+#define NFC_INT            0x8000
+
+#define NFC_SP_EN           (1 << 2)
+#define NFC_ECC_EN          (1 << 3)
+#define NFC_INT_MSK         (1 << 4)
+#define NFC_BIG             (1 << 5)
+#define NFC_RST             (1 << 6)
+#define NFC_CE              (1 << 7)
+#define NFC_ONE_CYCLE       (1 << 8)
+
+struct mxc_nand_host {
+	struct mtd_info		mtd;
+	struct nand_chip	nand;
+	struct mtd_partition	*parts;
+	struct device		*dev;
+
+	void __iomem		*regs;
+	int			spare_only;
+	int			status_request;
+	int			pagesize_2k;
+	uint16_t		col_addr;
+	struct clk		*clk;
+	int			clk_act;
+	int			irq;
+
+	wait_queue_head_t	irq_waitq;
+};
+
+/* Define delays in microsec for NAND device operations */
+#define TROP_US_DELAY   2000
+/* Macros to get byte and bit positions of ECC */
+#define COLPOS(x)  ((x) >> 3)
+#define BITPOS(x) ((x) & 0xf)
+
+/* Define single bit Error positions in Main & Spare area */
+#define MAIN_SINGLEBIT_ERROR 0x4
+#define SPARE_SINGLEBIT_ERROR 0x1
+
+/* OOB placement block for use with hardware ecc generation */
+static struct nand_ecclayout nand_hw_eccoob_8 = {
+	.eccbytes = 5,
+	.eccpos = {6, 7, 8, 9, 10},
+	.oobfree = {{0, 5}, {11, 5}, }
+};
+
+static struct nand_ecclayout nand_hw_eccoob_16 = {
+	.eccbytes = 5,
+	.eccpos = {6, 7, 8, 9, 10},
+	.oobfree = {{0, 6}, {12, 4}, }
+};
+
+#ifdef CONFIG_MTD_PARTITIONS
+static const char *part_probes[] = { "RedBoot", "cmdlinepart", NULL };
+#endif
+
+static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
+{
+	struct mxc_nand_host *host = dev_id;
+
+	uint16_t tmp;
+
+	tmp = readw(host->regs + NFC_CONFIG1);
+	tmp |= NFC_INT_MSK; /* Disable interrupt */
+	writew(tmp, host->regs + NFC_CONFIG1);
+
+	wake_up(&host->irq_waitq);
+
+	return IRQ_HANDLED;
+}
+
+/* This function polls the NANDFC to wait for the basic operation to
+ * complete by checking the INT bit of config2 register.
+ */
+static void wait_op_done(struct mxc_nand_host *host, int max_retries,
+				uint16_t param, int useirq)
+{
+	uint32_t tmp;
+
+	if (useirq) {
+		if ((readw(host->regs + NFC_CONFIG2) & NFC_INT) == 0) {
+
+			tmp = readw(host->regs + NFC_CONFIG1);
+			tmp  &= ~NFC_INT_MSK;	/* Enable interrupt */
+			writew(tmp, host->regs + NFC_CONFIG1);
+
+			wait_event(host->irq_waitq,
+				readw(host->regs + NFC_CONFIG2) & NFC_INT);
+
+			tmp = readw(host->regs + NFC_CONFIG2);
+			tmp  &= ~NFC_INT;
+			writew(tmp, host->regs + NFC_CONFIG2);
+		}
+	} else {
+		while (max_retries-- > 0) {
+			if (readw(host->regs + NFC_CONFIG2) & NFC_INT) {
+				tmp = readw(host->regs + NFC_CONFIG2);
+				tmp  &= ~NFC_INT;
+				writew(tmp, host->regs + NFC_CONFIG2);
+				break;
+			}
+			udelay(1);
+		}
+		if (max_retries <= 0)
+			DEBUG(MTD_DEBUG_LEVEL0, "%s(%d): INT not set\n",
+			      __func__, param);
+	}
+}
+
+/* This function issues the specified command to the NAND device and
+ * waits for completion. */
+static void send_cmd(struct mxc_nand_host *host, uint16_t cmd, int useirq)
+{
+	DEBUG(MTD_DEBUG_LEVEL3, "send_cmd(host, 0x%x, %d)\n", cmd, useirq);
+
+	writew(cmd, host->regs + NFC_FLASH_CMD);
+	writew(NFC_CMD, host->regs + NFC_CONFIG2);
+
+	/* Wait for operation to complete */
+	wait_op_done(host, TROP_US_DELAY, cmd, useirq);
+}
+
+/* This function sends an address (or partial address) to the
+ * NAND device. The address is used to select the source/destination for
+ * a NAND command. */
+static void send_addr(struct mxc_nand_host *host, uint16_t addr, int islast)
+{
+	DEBUG(MTD_DEBUG_LEVEL3, "send_addr(host, 0x%x %d)\n", addr, islast);
+
+	writew(addr, host->regs + NFC_FLASH_ADDR);
+	writew(NFC_ADDR, host->regs + NFC_CONFIG2);
+
+	/* Wait for operation to complete */
+	wait_op_done(host, TROP_US_DELAY, addr, islast);
+}
+
+/* This function requests the NANDFC to initate the transfer
+ * of data currently in the NANDFC RAM buffer to the NAND device. */
+static void send_prog_page(struct mxc_nand_host *host, uint8_t buf_id,
+			int spare_only)
+{
+	DEBUG(MTD_DEBUG_LEVEL3, "send_prog_page (%d)\n", spare_only);
+
+	/* NANDFC buffer 0 is used for page read/write */
+	writew(buf_id, host->regs + NFC_BUF_ADDR);
+
+	/* Configure spare or page+spare access */
+	if (!host->pagesize_2k) {
+		uint16_t config1 = readw(host->regs + NFC_CONFIG1);
+		if (spare_only)
+			config1 |= NFC_SP_EN;
+		else
+			config1 &= ~(NFC_SP_EN);
+		writew(config1, host->regs + NFC_CONFIG1);
+	}
+
+	writew(NFC_INPUT, host->regs + NFC_CONFIG2);
+
+	/* Wait for operation to complete */
+	wait_op_done(host, TROP_US_DELAY, spare_only, true);
+}
+
+/* Requests NANDFC to initated the transfer of data from the
+ * NAND device into in the NANDFC ram buffer. */
+static void send_read_page(struct mxc_nand_host *host, uint8_t buf_id,
+		int spare_only)
+{
+	DEBUG(MTD_DEBUG_LEVEL3, "send_read_page (%d)\n", spare_only);
+
+	/* NANDFC buffer 0 is used for page read/write */
+	writew(buf_id, host->regs + NFC_BUF_ADDR);
+
+	/* Configure spare or page+spare access */
+	if (!host->pagesize_2k) {
+		uint32_t config1 = readw(host->regs + NFC_CONFIG1);
+		if (spare_only)
+			config1 |= NFC_SP_EN;
+		else
+			config1 &= ~NFC_SP_EN;
+		writew(config1, host->regs + NFC_CONFIG1);
+	}
+
+	writew(NFC_OUTPUT, host->regs + NFC_CONFIG2);
+
+	/* Wait for operation to complete */
+	wait_op_done(host, TROP_US_DELAY, spare_only, true);
+}
+
+/* Request the NANDFC to perform a read of the NAND device ID. */
+static void send_read_id(struct mxc_nand_host *host)
+{
+	struct nand_chip *this = &host->nand;
+	uint16_t tmp;
+
+	/* NANDFC buffer 0 is used for device ID output */
+	writew(0x0, host->regs + NFC_BUF_ADDR);
+
+	/* Read ID into main buffer */
+	tmp = readw(host->regs + NFC_CONFIG1);
+	tmp &= ~NFC_SP_EN;
+	writew(tmp, host->regs + NFC_CONFIG1);
+
+	writew(NFC_ID, host->regs + NFC_CONFIG2);
+
+	/* Wait for operation to complete */
+	wait_op_done(host, TROP_US_DELAY, 0, true);
+
+	if (this->options & NAND_BUSWIDTH_16) {
+		void __iomem *main_buf = host->regs + MAIN_AREA0;
+		/* compress the ID info */
+		writeb(readb(main_buf + 2), main_buf + 1);
+		writeb(readb(main_buf + 4), main_buf + 2);
+		writeb(readb(main_buf + 6), main_buf + 3);
+		writeb(readb(main_buf + 8), main_buf + 4);
+		writeb(readb(main_buf + 10), main_buf + 5);
+	}
+}
+
+/* This function requests the NANDFC to perform a read of the
+ * NAND device status and returns the current status. */
+static uint16_t get_dev_status(struct mxc_nand_host *host)
+{
+	void __iomem *main_buf = host->regs + MAIN_AREA1;
+	uint32_t store;
+	uint16_t ret, tmp;
+	/* Issue status request to NAND device */
+
+	/* store the main area1 first word, later do recovery */
+	store = readl(main_buf);
+	/* NANDFC buffer 1 is used for device status to prevent
+	 * corruption of read/write buffer on status requests. */
+	writew(1, host->regs + NFC_BUF_ADDR);
+
+	/* Read status into main buffer */
+	tmp = readw(host->regs + NFC_CONFIG1);
+	tmp &= ~NFC_SP_EN;
+	writew(tmp, host->regs + NFC_CONFIG1);
+
+	writew(NFC_STATUS, host->regs + NFC_CONFIG2);
+
+	/* Wait for operation to complete */
+	wait_op_done(host, TROP_US_DELAY, 0, true);
+
+	/* Status is placed in first word of main buffer */
+	/* get status, then recovery area 1 data */
+	ret = readw(main_buf);
+	writel(store, main_buf);
+
+	return ret;
+}
+
+/* This functions is used by upper layer to checks if device is ready */
+static int mxc_nand_dev_ready(struct mtd_info *mtd)
+{
+	/*
+	 * NFC handles R/B internally. Therefore, this function
+	 * always returns status as ready.
+	 */
+	return 1;
+}
+
+static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)
+{
+	/*
+	 * If HW ECC is enabled, we turn it on during init. There is
+	 * no need to enable again here.
+	 */
+}
+
+static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat,
+				 u_char *read_ecc, u_char *calc_ecc)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+
+	/*
+	 * 1-Bit errors are automatically corrected in HW.  No need for
+	 * additional correction.  2-Bit errors cannot be corrected by
+	 * HW ECC, so we need to return failure
+	 */
+	uint16_t ecc_status = readw(host->regs + NFC_ECC_STATUS_RESULT);
+
+	if (((ecc_status & 0x3) == 2) || ((ecc_status >> 2) == 2)) {
+		DEBUG(MTD_DEBUG_LEVEL0,
+		      "MXC_NAND: HWECC uncorrectable 2-bit ECC error\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int mxc_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
+				  u_char *ecc_code)
+{
+	return 0;
+}
+
+static u_char mxc_nand_read_byte(struct mtd_info *mtd)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+	uint8_t ret = 0;
+	uint16_t col, rd_word;
+	uint16_t __iomem *main_buf = host->regs + MAIN_AREA0;
+	uint16_t __iomem *spare_buf = host->regs + SPARE_AREA0;
+
+	/* Check for status request */
+	if (host->status_request)
+		return get_dev_status(host) & 0xFF;
+
+	/* Get column for 16-bit access */
+	col = host->col_addr >> 1;
+
+	/* If we are accessing the spare region */
+	if (host->spare_only)
+		rd_word = readw(&spare_buf[col]);
+	else
+		rd_word = readw(&main_buf[col]);
+
+	/* Pick upper/lower byte of word from RAM buffer */
+	if (host->col_addr & 0x1)
+		ret = (rd_word >> 8) & 0xFF;
+	else
+		ret = rd_word & 0xFF;
+
+	/* Update saved column address */
+	host->col_addr++;
+
+	return ret;
+}
+
+static uint16_t mxc_nand_read_word(struct mtd_info *mtd)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+	uint16_t col, rd_word, ret;
+	uint16_t __iomem *p;
+
+	DEBUG(MTD_DEBUG_LEVEL3,
+	      "mxc_nand_read_word(col = %d)\n", host->col_addr);
+
+	col = host->col_addr;
+	/* Adjust saved column address */
+	if (col < mtd->writesize && host->spare_only)
+		col += mtd->writesize;
+
+	if (col < mtd->writesize)
+		p = (host->regs + MAIN_AREA0) + (col >> 1);
+	else
+		p = (host->regs + SPARE_AREA0) + ((col - mtd->writesize) >> 1);
+
+	if (col & 1) {
+		rd_word = readw(p);
+		ret = (rd_word >> 8) & 0xff;
+		rd_word = readw(&p[1]);
+		ret |= (rd_word << 8) & 0xff00;
+
+	} else
+		ret = readw(p);
+
+	/* Update saved column address */
+	host->col_addr = col + 2;
+
+	return ret;
+}
+
+/* Write data of length len to buffer buf. The data to be
+ * written on NAND Flash is first copied to RAMbuffer. After the Data Input
+ * Operation by the NFC, the data is written to NAND Flash */
+static void mxc_nand_write_buf(struct mtd_info *mtd,
+				const u_char *buf, int len)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+	int n, col, i = 0;
+
+	DEBUG(MTD_DEBUG_LEVEL3,
+	      "mxc_nand_write_buf(col = %d, len = %d)\n", host->col_addr,
+	      len);
+
+	col = host->col_addr;
+
+	/* Adjust saved column address */
+	if (col < mtd->writesize && host->spare_only)
+		col += mtd->writesize;
+
+	n = mtd->writesize + mtd->oobsize - col;
+	n = min(len, n);
+
+	DEBUG(MTD_DEBUG_LEVEL3,
+	      "%s:%d: col = %d, n = %d\n", __func__, __LINE__, col, n);
+
+	while (n) {
+		void __iomem *p;
+
+		if (col < mtd->writesize)
+			p = host->regs + MAIN_AREA0 + (col & ~3);
+		else
+			p = host->regs + SPARE_AREA0 -
+						mtd->writesize + (col & ~3);
+
+		DEBUG(MTD_DEBUG_LEVEL3, "%s:%d: p = %p\n", __func__,
+		      __LINE__, p);
+
+		if (((col | (int)&buf[i]) & 3) || n < 16) {
+			uint32_t data = 0;
+
+			if (col & 3 || n < 4)
+				data = readl(p);
+
+			switch (col & 3) {
+			case 0:
+				if (n) {
+					data = (data & 0xffffff00) |
+					    (buf[i++] << 0);
+					n--;
+					col++;
+				}
+			case 1:
+				if (n) {
+					data = (data & 0xffff00ff) |
+					    (buf[i++] << 8);
+					n--;
+					col++;
+				}
+			case 2:
+				if (n) {
+					data = (data & 0xff00ffff) |
+					    (buf[i++] << 16);
+					n--;
+					col++;
+				}
+			case 3:
+				if (n) {
+					data = (data & 0x00ffffff) |
+					    (buf[i++] << 24);
+					n--;
+					col++;
+				}
+			}
+
+			writel(data, p);
+		} else {
+			int m = mtd->writesize - col;
+
+			if (col >= mtd->writesize)
+				m += mtd->oobsize;
+
+			m = min(n, m) & ~3;
+
+			DEBUG(MTD_DEBUG_LEVEL3,
+			      "%s:%d: n = %d, m = %d, i = %d, col = %d\n",
+			      __func__,  __LINE__, n, m, i, col);
+
+			memcpy(p, &buf[i], m);
+			col += m;
+			i += m;
+			n -= m;
+		}
+	}
+	/* Update saved column address */
+	host->col_addr = col;
+}
+
+/* Read the data buffer from the NAND Flash. To read the data from NAND
+ * Flash first the data output cycle is initiated by the NFC, which copies
+ * the data to RAMbuffer. This data of length len is then copied to buffer buf.
+ */
+static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+	int n, col, i = 0;
+
+	DEBUG(MTD_DEBUG_LEVEL3,
+	      "mxc_nand_read_buf(col = %d, len = %d)\n", host->col_addr, len);
+
+	col = host->col_addr;
+
+	/* Adjust saved column address */
+	if (col < mtd->writesize && host->spare_only)
+		col += mtd->writesize;
+
+	n = mtd->writesize + mtd->oobsize - col;
+	n = min(len, n);
+
+	while (n) {
+		void __iomem *p;
+
+		if (col < mtd->writesize)
+			p = host->regs + MAIN_AREA0 + (col & ~3);
+		else
+			p = host->regs + SPARE_AREA0 -
+					mtd->writesize + (col & ~3);
+
+		if (((col | (int)&buf[i]) & 3) || n < 16) {
+			uint32_t data;
+
+			data = readl(p);
+			switch (col & 3) {
+			case 0:
+				if (n) {
+					buf[i++] = (uint8_t) (data);
+					n--;
+					col++;
+				}
+			case 1:
+				if (n) {
+					buf[i++] = (uint8_t) (data >> 8);
+					n--;
+					col++;
+				}
+			case 2:
+				if (n) {
+					buf[i++] = (uint8_t) (data >> 16);
+					n--;
+					col++;
+				}
+			case 3:
+				if (n) {
+					buf[i++] = (uint8_t) (data >> 24);
+					n--;
+					col++;
+				}
+			}
+		} else {
+			int m = mtd->writesize - col;
+
+			if (col >= mtd->writesize)
+				m += mtd->oobsize;
+
+			m = min(n, m) & ~3;
+			memcpy(&buf[i], p, m);
+			col += m;
+			i += m;
+			n -= m;
+		}
+	}
+	/* Update saved column address */
+	host->col_addr = col;
+
+}
+
+/* Used by the upper layer to verify the data in NAND Flash
+ * with the data in the buf. */
+static int mxc_nand_verify_buf(struct mtd_info *mtd,
+				const u_char *buf, int len)
+{
+	return -EFAULT;
+}
+
+/* This function is used by upper layer for select and
+ * deselect of the NAND chip */
+static void mxc_nand_select_chip(struct mtd_info *mtd, int chip)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+
+#ifdef CONFIG_MTD_NAND_MXC_FORCE_CE
+	if (chip > 0) {
+		DEBUG(MTD_DEBUG_LEVEL0,
+		      "ERROR:  Illegal chip select (chip = %d)\n", chip);
+		return;
+	}
+
+	if (chip == -1) {
+		writew(readw(host->regs + NFC_CONFIG1) & ~NFC_CE,
+				host->regs + NFC_CONFIG1);
+		return;
+	}
+
+	writew(readw(host->regs + NFC_CONFIG1) | NFC_CE,
+			host->regs + NFC_CONFIG1);
+#endif
+
+	switch (chip) {
+	case -1:
+		/* Disable the NFC clock */
+		if (host->clk_act) {
+			clk_disable(host->clk);
+			host->clk_act = 0;
+		}
+		break;
+	case 0:
+		/* Enable the NFC clock */
+		if (!host->clk_act) {
+			clk_enable(host->clk);
+			host->clk_act = 1;
+		}
+		break;
+
+	default:
+		break;
+	}
+}
+
+/* Used by the upper layer to write command to NAND Flash for
+ * different operations to be carried out on NAND Flash */
+static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
+				int column, int page_addr)
+{
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
+	int useirq = true;
+
+	DEBUG(MTD_DEBUG_LEVEL3,
+	      "mxc_nand_command (cmd = 0x%x, col = 0x%x, page = 0x%x)\n",
+	      command, column, page_addr);
+
+	/* Reset command state information */
+	host->status_request = false;
+
+	/* Command pre-processing step */
+	switch (command) {
+
+	case NAND_CMD_STATUS:
+		host->col_addr = 0;
+		host->status_request = true;
+		break;
+
+	case NAND_CMD_READ0:
+		host->col_addr = column;
+		host->spare_only = false;
+		useirq = false;
+		break;
+
+	case NAND_CMD_READOOB:
+		host->col_addr = column;
+		host->spare_only = true;
+		useirq = false;
+		if (host->pagesize_2k)
+			command = NAND_CMD_READ0; /* only READ0 is valid */
+		break;
+
+	case NAND_CMD_SEQIN:
+		if (column >= mtd->writesize) {
+			/*
+			 * FIXME: before send SEQIN command for write OOB,
+			 * We must read one page out.
+			 * For K9F1GXX has no READ1 command to set current HW
+			 * pointer to spare area, we must write the whole page
+			 * including OOB together.
+			 */
+			if (host->pagesize_2k)
+				/* call ourself to read a page */
+				mxc_nand_command(mtd, NAND_CMD_READ0, 0,
+						page_addr);
+
+			host->col_addr = column - mtd->writesize;
+			host->spare_only = true;
+
+			/* Set program pointer to spare region */
+			if (!host->pagesize_2k)
+				send_cmd(host, NAND_CMD_READOOB, false);
+		} else {
+			host->spare_only = false;
+			host->col_addr = column;
+
+			/* Set program pointer to page start */
+			if (!host->pagesize_2k)
+				send_cmd(host, NAND_CMD_READ0, false);
+		}
+		useirq = false;
+		break;
+
+	case NAND_CMD_PAGEPROG:
+		send_prog_page(host, 0, host->spare_only);
+
+		if (host->pagesize_2k) {
+			/* data in 4 areas datas */
+			send_prog_page(host, 1, host->spare_only);
+			send_prog_page(host, 2, host->spare_only);
+			send_prog_page(host, 3, host->spare_only);
+		}
+
+		break;
+
+	case NAND_CMD_ERASE1:
+		useirq = false;
+		break;
+	}
+
+	/* Write out the command to the device. */
+	send_cmd(host, command, useirq);
+
+	/* Write out column address, if necessary */
+	if (column != -1) {
+		/*
+		 * MXC NANDFC can only perform full page+spare or
+		 * spare-only read/write.  When the upper layers
+		 * layers perform a read/write buf operation,
+		 * we will used the saved column adress to index into
+		 * the full page.
+		 */
+		send_addr(host, 0, page_addr == -1);
+		if (host->pagesize_2k)
+			/* another col addr cycle for 2k page */
+			send_addr(host, 0, false);
+	}
+
+	/* Write out page address, if necessary */
+	if (page_addr != -1) {
+		/* paddr_0 - p_addr_7 */
+		send_addr(host, (page_addr & 0xff), false);
+
+		if (host->pagesize_2k) {
+			send_addr(host, (page_addr >> 8) & 0xFF, false);
+			if (mtd->size >= 0x40000000)
+				send_addr(host, (page_addr >> 16) & 0xff, true);
+		} else {
+			/* One more address cycle for higher density devices */
+			if (mtd->size >= 0x4000000) {
+				/* paddr_8 - paddr_15 */
+				send_addr(host, (page_addr >> 8) & 0xff, false);
+				send_addr(host, (page_addr >> 16) & 0xff, true);
+			} else
+				/* paddr_8 - paddr_15 */
+				send_addr(host, (page_addr >> 8) & 0xff, true);
+		}
+	}
+
+	/* Command post-processing step */
+	switch (command) {
+
+	case NAND_CMD_RESET:
+		break;
+
+	case NAND_CMD_READOOB:
+	case NAND_CMD_READ0:
+		if (host->pagesize_2k) {
+			/* send read confirm command */
+			send_cmd(host, NAND_CMD_READSTART, true);
+			/* read for each AREA */
+			send_read_page(host, 0, host->spare_only);
+			send_read_page(host, 1, host->spare_only);
+			send_read_page(host, 2, host->spare_only);
+			send_read_page(host, 3, host->spare_only);
+		} else
+			send_read_page(host, 0, host->spare_only);
+		break;
+
+	case NAND_CMD_READID:
+		send_read_id(host);
+		break;
+
+	case NAND_CMD_PAGEPROG:
+		break;
+
+	case NAND_CMD_STATUS:
+		break;
+
+	case NAND_CMD_ERASE2:
+		break;
+	}
+}
+
+static int __init mxcnd_probe(struct platform_device *pdev)
+{
+	struct nand_chip *this;
+	struct mtd_info *mtd;
+	struct mxc_nand_platform_data *pdata = pdev->dev.platform_data;
+	struct mxc_nand_host *host;
+	struct resource *res;
+	uint16_t tmp;
+	int err = 0, nr_parts = 0;
+
+	/* Allocate memory for MTD device structure and private data */
+	host = kzalloc(sizeof(struct mxc_nand_host), GFP_KERNEL);
+	if (!host)
+		return -ENOMEM;
+
+	host->dev = &pdev->dev;
+	/* structures must be linked */
+	this = &host->nand;
+	mtd = &host->mtd;
+	mtd->priv = this;
+	mtd->owner = THIS_MODULE;
+
+	/* 50 us command delay time */
+	this->chip_delay = 5;
+
+	this->priv = host;
+	this->dev_ready = mxc_nand_dev_ready;
+	this->cmdfunc = mxc_nand_command;
+	this->select_chip = mxc_nand_select_chip;
+	this->read_byte = mxc_nand_read_byte;
+	this->read_word = mxc_nand_read_word;
+	this->write_buf = mxc_nand_write_buf;
+	this->read_buf = mxc_nand_read_buf;
+	this->verify_buf = mxc_nand_verify_buf;
+
+	host->clk = clk_get(&pdev->dev, "nfc_clk");
+	if (IS_ERR(host->clk))
+		goto eclk;
+
+	clk_enable(host->clk);
+	host->clk_act = 1;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		err = -ENODEV;
+		goto eres;
+	}
+
+	host->regs = ioremap(res->start, res->end - res->start + 1);
+	if (!host->regs) {
+		err = -EIO;
+		goto eres;
+	}
+
+	tmp = readw(host->regs + NFC_CONFIG1);
+	tmp |= NFC_INT_MSK;
+	writew(tmp, host->regs + NFC_CONFIG1);
+
+	init_waitqueue_head(&host->irq_waitq);
+
+	host->irq = platform_get_irq(pdev, 0);
+
+	err = request_irq(host->irq, mxc_nfc_irq, 0, "mxc_nd", host);
+	if (err)
+		goto eirq;
+
+	if (pdata->hw_ecc) {
+		this->ecc.calculate = mxc_nand_calculate_ecc;
+		this->ecc.hwctl = mxc_nand_enable_hwecc;
+		this->ecc.correct = mxc_nand_correct_data;
+		this->ecc.mode = NAND_ECC_HW;
+		this->ecc.size = 512;
+		this->ecc.bytes = 3;
+		this->ecc.layout = &nand_hw_eccoob_8;
+		tmp = readw(host->regs + NFC_CONFIG1);
+		tmp |= NFC_ECC_EN;
+		writew(tmp, host->regs + NFC_CONFIG1);
+	} else {
+		this->ecc.size = 512;
+		this->ecc.bytes = 3;
+		this->ecc.layout = &nand_hw_eccoob_8;
+		this->ecc.mode = NAND_ECC_SOFT;
+		tmp = readw(host->regs + NFC_CONFIG1);
+		tmp &= ~NFC_ECC_EN;
+		writew(tmp, host->regs + NFC_CONFIG1);
+	}
+
+	/* Reset NAND */
+	this->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+
+	/* preset operation */
+	/* Unlock the internal RAM Buffer */
+	writew(0x2, host->regs + NFC_CONFIG);
+
+	/* Blocks to be unlocked */
+	writew(0x0, host->regs + NFC_UNLOCKSTART_BLKADDR);
+	writew(0x4000, host->regs + NFC_UNLOCKEND_BLKADDR);
+
+	/* Unlock Block Command for given address range */
+	writew(0x4, host->regs + NFC_WRPROT);
+
+	/* NAND bus width determines access funtions used by upper layer */
+	if (pdata->width == 2) {
+		this->options |= NAND_BUSWIDTH_16;
+		this->ecc.layout = &nand_hw_eccoob_16;
+	}
+
+	host->pagesize_2k = 0;
+
+	/* Scan to find existence of the device */
+	if (nand_scan(mtd, 1)) {
+		DEBUG(MTD_DEBUG_LEVEL0,
+		      "MXC_ND: Unable to find any NAND device.\n");
+		err = -ENXIO;
+		goto escan;
+	}
+
+	/* Register the partitions */
+#ifdef CONFIG_MTD_PARTITIONS
+	nr_parts =
+	    parse_mtd_partitions(mtd, part_probes, &host->parts, 0);
+	if (nr_parts > 0)
+		add_mtd_partitions(mtd, host->parts, nr_parts);
+	else
+#endif
+	{
+		pr_info("Registering %s as whole device\n", mtd->name);
+		add_mtd_device(mtd);
+	}
+
+	platform_set_drvdata(pdev, host);
+
+	return 0;
+
+escan:
+	free_irq(host->irq, NULL);
+eirq:
+	iounmap(host->regs);
+eres:
+	clk_put(host->clk);
+eclk:
+	kfree(host);
+
+	return err;
+}
+
+static int __devexit mxcnd_remove(struct platform_device *pdev)
+{
+	struct mxc_nand_host *host = platform_get_drvdata(pdev);
+
+	clk_put(host->clk);
+
+	platform_set_drvdata(pdev, NULL);
+
+	nand_release(&host->mtd);
+	free_irq(host->irq, NULL);
+	iounmap(host->regs);
+	kfree(host);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct mtd_info *info = platform_get_drvdata(pdev);
+	int ret = 0;
+
+	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
+	if (info)
+		ret = info->suspend(info);
+
+	/* Disable the NFC clock */
+	clk_disable(nfc_clk);	/* FIXME */
+
+	return ret;
+}
+
+static int mxcnd_resume(struct platform_device *pdev)
+{
+	struct mtd_info *info = platform_get_drvdata(pdev);
+	int ret = 0;
+
+	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
+	/* Enable the NFC clock */
+	clk_enable(nfc_clk);	/* FIXME */
+
+	if (info)
+		info->resume(info);
+
+	return ret;
+}
+
+#else
+# define mxcnd_suspend   NULL
+# define mxcnd_resume    NULL
+#endif				/* CONFIG_PM */
+
+static struct platform_driver mxcnd_driver = {
+	.driver = {
+		   .name = DRIVER_NAME,
+		   },
+	.remove = __exit_p(mxcnd_remove),
+	.suspend = mxcnd_suspend,
+	.resume = mxcnd_resume,
+};
+
+static int __init mxc_nd_init(void)
+{
+	/* Register the device driver structure. */
+	pr_info("MXC MTD nand Driver\n");
+	if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
+		printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
+		return -ENODEV;
+	}
+	return 0;
+}
+
+static void __exit mxc_nd_cleanup(void)
+{
+	/* Unregister the device structure */
+	platform_driver_unregister(&mxcnd_driver);
+}
+
+module_init(mxc_nd_init);
+module_exit(mxc_nd_cleanup);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("MXC NAND MTD driver");
+MODULE_LICENSE("GPL");
-- 
GitLab


From 7d200e88cbdff5334d23d3af8d444eb9cc041962 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Sun, 31 Aug 2008 19:32:13 +0300
Subject: [PATCH 0054/2224] UBI: remove BKL

We do not need BKL in UBI because we serialize things
properly.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 drivers/mtd/ubi/cdev.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 03c759b4eeb..b30a0b83d7f 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -104,12 +104,9 @@ static int vol_cdev_open(struct inode *inode, struct file *file)
 	struct ubi_volume_desc *desc;
 	int vol_id = iminor(inode) - 1, mode, ubi_num;
 
-	lock_kernel();
 	ubi_num = ubi_major2num(imajor(inode));
-	if (ubi_num < 0) {
-		unlock_kernel();
+	if (ubi_num < 0)
 		return ubi_num;
-	}
 
 	if (file->f_mode & FMODE_WRITE)
 		mode = UBI_READWRITE;
@@ -119,7 +116,6 @@ static int vol_cdev_open(struct inode *inode, struct file *file)
 	dbg_gen("open volume %d, mode %d", vol_id, mode);
 
 	desc = ubi_open_volume(ubi_num, vol_id, mode);
-	unlock_kernel();
 	if (IS_ERR(desc))
 		return PTR_ERR(desc);
 
-- 
GitLab


From 7bb67439bf6bd3782f07f1d7be1e63406453d5de Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 31 Aug 2008 08:05:58 -0700
Subject: [PATCH 0055/2224] select: Introduce a hrtimeout function

This patch adds a schedule_hrtimeout() function, to be used by select() and
poll() in a later patch. This function works similar to schedule_timeout()
in most ways, but takes a timespec rather than jiffies.

With a lot of contributions/fixes from Thomas

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/hrtimer.h |  2 ++
 kernel/hrtimer.c        | 65 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 6d93dce61cb..becd17db1a1 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -346,6 +346,8 @@ extern long hrtimer_nanosleep_restart(struct restart_block *restart_block);
 extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl,
 				 struct task_struct *tsk);
 
+extern int schedule_hrtimeout(ktime_t *expires, const enum hrtimer_mode mode);
+
 /* Soft interrupt function to run the hrtimer queues: */
 extern void hrtimer_run_queues(void);
 extern void hrtimer_run_pending(void);
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index b8e4dce80a7..782137dc755 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1678,3 +1678,68 @@ void __init hrtimers_init(void)
 #endif
 }
 
+/**
+ * schedule_hrtimeout - sleep until timeout
+ * @expires:	timeout value (ktime_t)
+ * @mode:	timer mode, HRTIMER_MODE_ABS or HRTIMER_MODE_REL
+ *
+ * Make the current task sleep until the given expiry time has
+ * elapsed. The routine will return immediately unless
+ * the current task state has been set (see set_current_state()).
+ *
+ * You can set the task state as follows -
+ *
+ * %TASK_UNINTERRUPTIBLE - at least @timeout time is guaranteed to
+ * pass before the routine returns.
+ *
+ * %TASK_INTERRUPTIBLE - the routine may return early if a signal is
+ * delivered to the current task.
+ *
+ * The current task state is guaranteed to be TASK_RUNNING when this
+ * routine returns.
+ *
+ * Returns 0 when the timer has expired otherwise -EINTR
+ */
+int __sched schedule_hrtimeout(ktime_t *expires,
+			       const enum hrtimer_mode mode)
+{
+	struct hrtimer_sleeper t;
+
+	/*
+	 * Optimize when a zero timeout value is given. It does not
+	 * matter whether this is an absolute or a relative time.
+	 */
+	if (expires && !expires->tv64) {
+		__set_current_state(TASK_RUNNING);
+		return 0;
+	}
+
+	/*
+	 * A NULL parameter means "inifinte"
+	 */
+	if (!expires) {
+		schedule();
+		__set_current_state(TASK_RUNNING);
+		return -EINTR;
+	}
+
+	hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, mode);
+	t.timer.expires = *expires;
+
+	hrtimer_init_sleeper(&t, current);
+
+	hrtimer_start(&t.timer, t.timer.expires, mode);
+	if (!hrtimer_active(&t.timer))
+		t.task = NULL;
+
+	if (likely(t.task))
+		schedule();
+
+	hrtimer_cancel(&t.timer);
+	destroy_hrtimer_on_stack(&t.timer);
+
+	__set_current_state(TASK_RUNNING);
+
+	return !t.task ? 0 : -EINTR;
+}
+EXPORT_SYMBOL_GPL(schedule_hrtimeout);
-- 
GitLab


From df0cc0539b4127bd02f64de2c335b4af1fdb3845 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 31 Aug 2008 08:09:53 -0700
Subject: [PATCH 0056/2224] select: add a timespec_add_safe() function

For the select() rework, it's important to be able to add timespec
structures in an overflow-safe manner.

This patch adds a timespec_add_safe() function for this which is similar in
operation to ktime_add_safe(), but works on a struct timespec.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/time.h |  4 ++++
 kernel/time.c        | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/linux/time.h b/include/linux/time.h
index e15206a7e82..72697647848 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -38,6 +38,8 @@ struct timezone {
 #define NSEC_PER_SEC	1000000000L
 #define FSEC_PER_SEC	1000000000000000L
 
+#define TIME_T_MAX	(time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
+
 static inline int timespec_equal(const struct timespec *a,
                                  const struct timespec *b)
 {
@@ -72,6 +74,8 @@ extern unsigned long mktime(const unsigned int year, const unsigned int mon,
 			    const unsigned int min, const unsigned int sec);
 
 extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec);
+extern struct timespec timespec_add_safe(const struct timespec lhs,
+					 const struct timespec rhs);
 
 /*
  * sub = lhs - rhs, in normalized form
diff --git a/kernel/time.c b/kernel/time.c
index 6a08660b4fa..d63a4336fad 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -669,3 +669,21 @@ EXPORT_SYMBOL(get_jiffies_64);
 #endif
 
 EXPORT_SYMBOL(jiffies);
+
+/*
+ * Add two timespec values and do a safety check for overflow.
+ * It's assumed that both values are valid (>= 0)
+ */
+struct timespec timespec_add_safe(const struct timespec lhs,
+				  const struct timespec rhs)
+{
+	struct timespec res;
+
+	set_normalized_timespec(&res, lhs.tv_sec + rhs.tv_sec,
+				lhs.tv_nsec + rhs.tv_nsec);
+
+	if (res.tv_sec < lhs.tv_sec || res.tv_sec < rhs.tv_sec)
+		res.tv_sec = TIME_T_MAX;
+
+	return res;
+}
-- 
GitLab


From b773ad40aca5bd755ba886620842f16e8fef6d75 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 31 Aug 2008 08:16:57 -0700
Subject: [PATCH 0057/2224] select: add poll_select_set_timeout() and
 poll_select_copy_remaining() helpers

This patch adds 2 helpers that will be used for the hrtimer based select/poll:

poll_select_set_timeout() is a helper that takes a timeout (as a second, nanosecond
pair) and turns that into a "struct timespec" that represents the absolute end time.
This is a common operation in the many select() and poll() variants and needs various,
common, sanity checks.

poll_select_copy_remaining() is a helper that takes care of copying the remaining
time to userspace, as select(), pselect() and ppoll() do. This function comes in
both a natural and a compat implementation (due to datastructure differences).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 fs/compat.c          | 51 ++++++++++++++++++++++++++++++
 fs/select.c          | 75 ++++++++++++++++++++++++++++++++++++++++++++
 include/linux/poll.h |  2 ++
 3 files changed, 128 insertions(+)

diff --git a/fs/compat.c b/fs/compat.c
index 075d0509970..424767c954a 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1436,6 +1436,57 @@ out_ret:
 
 #define __COMPAT_NFDBITS       (8 * sizeof(compat_ulong_t))
 
+static int poll_select_copy_remaining(struct timespec *end_time, void __user *p,
+				      int timeval, int ret)
+{
+	struct timespec ts;
+
+	if (!p)
+		return ret;
+
+	if (current->personality & STICKY_TIMEOUTS)
+		goto sticky;
+
+	/* No update for zero timeout */
+	if (!end_time->tv_sec && !end_time->tv_nsec)
+		return ret;
+
+	ktime_get_ts(&ts);
+	ts = timespec_sub(*end_time, ts);
+	if (ts.tv_sec < 0)
+		ts.tv_sec = ts.tv_nsec = 0;
+
+	if (timeval) {
+		struct compat_timeval rtv;
+
+		rtv.tv_sec = ts.tv_sec;
+		rtv.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+
+		if (!copy_to_user(p, &rtv, sizeof(rtv)))
+			return ret;
+	} else {
+		struct compat_timespec rts;
+
+		rts.tv_sec = ts.tv_sec;
+		rts.tv_nsec = ts.tv_nsec;
+
+		if (!copy_to_user(p, &rts, sizeof(rts)))
+			return ret;
+	}
+	/*
+	 * If an application puts its timeval in read-only memory, we
+	 * don't want the Linux-specific update to the timeval to
+	 * cause a fault after the select has completed
+	 * successfully. However, because we're not updating the
+	 * timeval, we can't restart the system call.
+	 */
+
+sticky:
+	if (ret == -ERESTARTNOHAND)
+		ret = -EINTR;
+	return ret;
+}
+
 /*
  * Ooo, nasty.  We need here to frob 32-bit unsigned longs to
  * 64-bit unsigned longs.
diff --git a/fs/select.c b/fs/select.c
index da0e88201c3..1180a620778 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -130,6 +130,81 @@ static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
 	add_wait_queue(wait_address, &entry->wait);
 }
 
+/**
+ * poll_select_set_timeout - helper function to setup the timeout value
+ * @to:		pointer to timespec variable for the final timeout
+ * @sec:	seconds (from user space)
+ * @nsec:	nanoseconds (from user space)
+ *
+ * Note, we do not use a timespec for the user space value here, That
+ * way we can use the function for timeval and compat interfaces as well.
+ *
+ * Returns -EINVAL if sec/nsec are not normalized. Otherwise 0.
+ */
+int poll_select_set_timeout(struct timespec *to, long sec, long nsec)
+{
+	struct timespec ts = {.tv_sec = sec, .tv_nsec = nsec};
+
+	if (!timespec_valid(&ts))
+		return -EINVAL;
+
+	/* Optimize for the zero timeout value here */
+	if (!sec && !nsec) {
+		to->tv_sec = to->tv_nsec = 0;
+	} else {
+		ktime_get_ts(to);
+		*to = timespec_add_safe(*to, ts);
+	}
+	return 0;
+}
+
+static int poll_select_copy_remaining(struct timespec *end_time, void __user *p,
+				      int timeval, int ret)
+{
+	struct timespec rts;
+	struct timeval rtv;
+
+	if (!p)
+		return ret;
+
+	if (current->personality & STICKY_TIMEOUTS)
+		goto sticky;
+
+	/* No update for zero timeout */
+	if (!end_time->tv_sec && !end_time->tv_nsec)
+		return ret;
+
+	ktime_get_ts(&rts);
+	rts = timespec_sub(*end_time, rts);
+	if (rts.tv_sec < 0)
+		rts.tv_sec = rts.tv_nsec = 0;
+
+	if (timeval) {
+		rtv.tv_sec = rts.tv_sec;
+		rtv.tv_usec = rts.tv_nsec / NSEC_PER_USEC;
+
+		if (!copy_to_user(p, &rtv, sizeof(rtv)))
+			return ret;
+
+	} else if (!copy_to_user(p, &rts, sizeof(rts)))
+		return ret;
+
+	/*
+	 * If an application puts its timeval in read-only memory, we
+	 * don't want the Linux-specific update to the timeval to
+	 * cause a fault after the select has completed
+	 * successfully. However, because we're not updating the
+	 * timeval, we can't restart the system call.
+	 */
+
+sticky:
+	if (ret == -ERESTARTNOHAND)
+		ret = -EINTR;
+	return ret;
+}
+
+
+
 #define FDS_IN(fds, n)		(fds->in + n)
 #define FDS_OUT(fds, n)		(fds->out + n)
 #define FDS_EX(fds, n)		(fds->ex + n)
diff --git a/include/linux/poll.h b/include/linux/poll.h
index ef453828877..f65de5128a9 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -120,6 +120,8 @@ extern int do_sys_poll(struct pollfd __user * ufds, unsigned int nfds,
 extern int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 			   fd_set __user *exp, s64 *timeout);
 
+extern int poll_select_set_timeout(struct timespec *to, long sec, long nsec);
+
 #endif /* KERNEL */
 
 #endif /* _LINUX_POLL_H */
-- 
GitLab


From be5dad20a55e054a35dac7f6f5f184dc72b379b4 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 31 Aug 2008 08:19:15 -0700
Subject: [PATCH 0058/2224] select: add a poll specific struct to the
 restart_block union

with hrtimer poll/select, the signal restart data no longer is a single
long representing a jiffies count, but it becomes a second/nanosecond pair
that also needs to encode if there was a timeout at all or not.

This patch adds a struct to the restart_block union for this purpose

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/thread_info.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index 38a56477f27..e6b820f8b56 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -38,6 +38,14 @@ struct restart_block {
 #endif
 			u64 expires;
 		} nanosleep;
+		/* For poll */
+		struct {
+			struct pollfd __user *ufds;
+			int nfds;
+			int has_timeout;
+			unsigned long tv_sec;
+			unsigned long tv_nsec;
+		} poll;
 	};
 };
 
-- 
GitLab


From 8ff3e8e85fa6c312051134b3953e397feb639f51 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 31 Aug 2008 08:26:40 -0700
Subject: [PATCH 0059/2224] select: switch select() and poll() over to hrtimers

With lots of help, input and cleanups from Thomas Gleixner

This patch switches select() and poll() over to hrtimers.

The core of the patch is replacing the "s64 timeout" with a
"struct timespec end_time" in all the plumbing.

But most of the diffstat comes from using the just introduced helpers:
	poll_select_set_timeout
	poll_select_copy_remaining
	timespec_add_safe
which make manipulating the timespec easier and less error-prone.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 fs/compat.c          | 136 ++++------------------
 fs/select.c          | 263 +++++++++++++++----------------------------
 include/linux/poll.h |   6 +-
 3 files changed, 111 insertions(+), 294 deletions(-)

diff --git a/fs/compat.c b/fs/compat.c
index 424767c954a..133ed7f5d68 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1568,7 +1568,8 @@ int compat_set_fd_set(unsigned long nr, compat_ulong_t __user *ufdset,
 	((unsigned long) (MAX_SCHEDULE_TIMEOUT / HZ)-1)
 
 int compat_core_sys_select(int n, compat_ulong_t __user *inp,
-	compat_ulong_t __user *outp, compat_ulong_t __user *exp, s64 *timeout)
+	compat_ulong_t __user *outp, compat_ulong_t __user *exp,
+	struct timespec *end_time)
 {
 	fd_set_bits fds;
 	void *bits;
@@ -1615,7 +1616,7 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp,
 	zero_fd_set(n, fds.res_out);
 	zero_fd_set(n, fds.res_ex);
 
-	ret = do_select(n, &fds, timeout);
+	ret = do_select(n, &fds, end_time);
 
 	if (ret < 0)
 		goto out;
@@ -1641,7 +1642,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
 	compat_ulong_t __user *outp, compat_ulong_t __user *exp,
 	struct compat_timeval __user *tvp)
 {
-	s64 timeout = -1;
+	struct timespec end_time, *to = NULL;
 	struct compat_timeval tv;
 	int ret;
 
@@ -1649,43 +1650,14 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
 		if (copy_from_user(&tv, tvp, sizeof(tv)))
 			return -EFAULT;
 
-		if (tv.tv_sec < 0 || tv.tv_usec < 0)
+		to = &end_time;
+		if (poll_select_set_timeout(to, tv.tv_sec,
+					    tv.tv_usec * NSEC_PER_USEC))
 			return -EINVAL;
-
-		/* Cast to u64 to make GCC stop complaining */
-		if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS)
-			timeout = -1;	/* infinite */
-		else {
-			timeout = DIV_ROUND_UP(tv.tv_usec, 1000000/HZ);
-			timeout += tv.tv_sec * HZ;
-		}
 	}
 
-	ret = compat_core_sys_select(n, inp, outp, exp, &timeout);
-
-	if (tvp) {
-		struct compat_timeval rtv;
-
-		if (current->personality & STICKY_TIMEOUTS)
-			goto sticky;
-		rtv.tv_usec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ));
-		rtv.tv_sec = timeout;
-		if (compat_timeval_compare(&rtv, &tv) >= 0)
-			rtv = tv;
-		if (copy_to_user(tvp, &rtv, sizeof(rtv))) {
-sticky:
-			/*
-			 * If an application puts its timeval in read-only
-			 * memory, we don't want the Linux-specific update to
-			 * the timeval to cause a fault after the select has
-			 * completed successfully. However, because we're not
-			 * updating the timeval, we can't restart the system
-			 * call.
-			 */
-			if (ret == -ERESTARTNOHAND)
-				ret = -EINTR;
-		}
-	}
+	ret = compat_core_sys_select(n, inp, outp, exp, to);
+	ret = poll_select_copy_remaining(&end_time, tvp, 1, ret);
 
 	return ret;
 }
@@ -1698,15 +1670,16 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp,
 {
 	compat_sigset_t ss32;
 	sigset_t ksigmask, sigsaved;
-	s64 timeout = MAX_SCHEDULE_TIMEOUT;
 	struct compat_timespec ts;
+	struct timespec end_time, *to = NULL;
 	int ret;
 
 	if (tsp) {
 		if (copy_from_user(&ts, tsp, sizeof(ts)))
 			return -EFAULT;
 
-		if (ts.tv_sec < 0 || ts.tv_nsec < 0)
+		to = &end_time;
+		if (poll_select_set_timeout(to, ts.tv_sec, ts.tv_nsec))
 			return -EINVAL;
 	}
 
@@ -1721,51 +1694,8 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp,
 		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
 	}
 
-	do {
-		if (tsp) {
-			if ((unsigned long)ts.tv_sec < MAX_SELECT_SECONDS) {
-				timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ);
-				timeout += ts.tv_sec * (unsigned long)HZ;
-				ts.tv_sec = 0;
-				ts.tv_nsec = 0;
-			} else {
-				ts.tv_sec -= MAX_SELECT_SECONDS;
-				timeout = MAX_SELECT_SECONDS * HZ;
-			}
-		}
-
-		ret = compat_core_sys_select(n, inp, outp, exp, &timeout);
-
-	} while (!ret && !timeout && tsp && (ts.tv_sec || ts.tv_nsec));
-
-	if (tsp) {
-		struct compat_timespec rts;
-
-		if (current->personality & STICKY_TIMEOUTS)
-			goto sticky;
-
-		rts.tv_sec = timeout / HZ;
-		rts.tv_nsec = (timeout % HZ) * (NSEC_PER_SEC/HZ);
-		if (rts.tv_nsec >= NSEC_PER_SEC) {
-			rts.tv_sec++;
-			rts.tv_nsec -= NSEC_PER_SEC;
-		}
-		if (compat_timespec_compare(&rts, &ts) >= 0)
-			rts = ts;
-		if (copy_to_user(tsp, &rts, sizeof(rts))) {
-sticky:
-			/*
-			 * If an application puts its timeval in read-only
-			 * memory, we don't want the Linux-specific update to
-			 * the timeval to cause a fault after the select has
-			 * completed successfully. However, because we're not
-			 * updating the timeval, we can't restart the system
-			 * call.
-			 */
-			if (ret == -ERESTARTNOHAND)
-				ret = -EINTR;
-		}
-	}
+	ret = compat_core_sys_select(n, inp, outp, exp, to);
+	ret = poll_select_copy_remaining(&end_time, tsp, 0, ret);
 
 	if (ret == -ERESTARTNOHAND) {
 		/*
@@ -1810,18 +1740,16 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
 	compat_sigset_t ss32;
 	sigset_t ksigmask, sigsaved;
 	struct compat_timespec ts;
-	s64 timeout = -1;
+	struct timespec end_time, *to = NULL;
 	int ret;
 
 	if (tsp) {
 		if (copy_from_user(&ts, tsp, sizeof(ts)))
 			return -EFAULT;
 
-		/* We assume that ts.tv_sec is always lower than
-		   the number of seconds that can be expressed in
-		   an s64. Otherwise the compiler bitches at us */
-		timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ);
-		timeout += ts.tv_sec * HZ;
+		to = &end_time;
+		if (poll_select_set_timeout(to, ts.tv_sec, ts.tv_nsec))
+			return -EINVAL;
 	}
 
 	if (sigmask) {
@@ -1835,7 +1763,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
 		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
 	}
 
-	ret = do_sys_poll(ufds, nfds, &timeout);
+	ret = do_sys_poll(ufds, nfds, to);
 
 	/* We can restart this syscall, usually */
 	if (ret == -EINTR) {
@@ -1853,31 +1781,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
 	} else if (sigmask)
 		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
 
-	if (tsp && timeout >= 0) {
-		struct compat_timespec rts;
-
-		if (current->personality & STICKY_TIMEOUTS)
-			goto sticky;
-		/* Yes, we know it's actually an s64, but it's also positive. */
-		rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) *
-					1000;
-		rts.tv_sec = timeout;
-		if (compat_timespec_compare(&rts, &ts) >= 0)
-			rts = ts;
-		if (copy_to_user(tsp, &rts, sizeof(rts))) {
-sticky:
-			/*
-			 * If an application puts its timeval in read-only
-			 * memory, we don't want the Linux-specific update to
-			 * the timeval to cause a fault after the select has
-			 * completed successfully. However, because we're not
-			 * updating the timeval, we can't restart the system
-			 * call.
-			 */
-			if (ret == -ERESTARTNOHAND && timeout >= 0)
-				ret = -EINTR;
-		}
-	}
+	ret = poll_select_copy_remaining(&end_time, tsp, 0, ret);
 
 	return ret;
 }
diff --git a/fs/select.c b/fs/select.c
index 1180a620778..f6dceb56793 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -24,6 +24,7 @@
 #include <linux/fdtable.h>
 #include <linux/fs.h>
 #include <linux/rcupdate.h>
+#include <linux/hrtimer.h>
 
 #include <asm/uaccess.h>
 
@@ -203,8 +204,6 @@ sticky:
 	return ret;
 }
 
-
-
 #define FDS_IN(fds, n)		(fds->in + n)
 #define FDS_OUT(fds, n)		(fds->out + n)
 #define FDS_EX(fds, n)		(fds->ex + n)
@@ -257,11 +256,12 @@ get_max:
 #define POLLOUT_SET (POLLWRBAND | POLLWRNORM | POLLOUT | POLLERR)
 #define POLLEX_SET (POLLPRI)
 
-int do_select(int n, fd_set_bits *fds, s64 *timeout)
+int do_select(int n, fd_set_bits *fds, struct timespec *end_time)
 {
+	ktime_t expire, *to = NULL;
 	struct poll_wqueues table;
 	poll_table *wait;
-	int retval, i;
+	int retval, i, timed_out = 0;
 
 	rcu_read_lock();
 	retval = max_select_fd(n, fds);
@@ -273,12 +273,14 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
 
 	poll_initwait(&table);
 	wait = &table.pt;
-	if (!*timeout)
+	if (end_time && !end_time->tv_sec && !end_time->tv_nsec) {
 		wait = NULL;
+		timed_out = 1;
+	}
+
 	retval = 0;
 	for (;;) {
 		unsigned long *rinp, *routp, *rexp, *inp, *outp, *exp;
-		long __timeout;
 
 		set_current_state(TASK_INTERRUPTIBLE);
 
@@ -334,27 +336,25 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
 			cond_resched();
 		}
 		wait = NULL;
-		if (retval || !*timeout || signal_pending(current))
+		if (retval || timed_out || signal_pending(current))
 			break;
 		if (table.error) {
 			retval = table.error;
 			break;
 		}
 
-		if (*timeout < 0) {
-			/* Wait indefinitely */
-			__timeout = MAX_SCHEDULE_TIMEOUT;
-		} else if (unlikely(*timeout >= (s64)MAX_SCHEDULE_TIMEOUT - 1)) {
-			/* Wait for longer than MAX_SCHEDULE_TIMEOUT. Do it in a loop */
-			__timeout = MAX_SCHEDULE_TIMEOUT - 1;
-			*timeout -= __timeout;
-		} else {
-			__timeout = *timeout;
-			*timeout = 0;
+		/*
+		 * If this is the first loop and we have a timeout
+		 * given, then we convert to ktime_t and set the to
+		 * pointer to the expiry value.
+		 */
+		if (end_time && !to) {
+			expire = timespec_to_ktime(*end_time);
+			to = &expire;
 		}
-		__timeout = schedule_timeout(__timeout);
-		if (*timeout >= 0)
-			*timeout += __timeout;
+
+		if (!schedule_hrtimeout(to, HRTIMER_MODE_ABS))
+			timed_out = 1;
 	}
 	__set_current_state(TASK_RUNNING);
 
@@ -375,7 +375,7 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
 	((unsigned long) (MAX_SCHEDULE_TIMEOUT / HZ)-1)
 
 int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
-			   fd_set __user *exp, s64 *timeout)
+			   fd_set __user *exp, struct timespec *end_time)
 {
 	fd_set_bits fds;
 	void *bits;
@@ -426,7 +426,7 @@ int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 	zero_fd_set(n, fds.res_out);
 	zero_fd_set(n, fds.res_ex);
 
-	ret = do_select(n, &fds, timeout);
+	ret = do_select(n, &fds, end_time);
 
 	if (ret < 0)
 		goto out;
@@ -452,7 +452,7 @@ out_nofds:
 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 			fd_set __user *exp, struct timeval __user *tvp)
 {
-	s64 timeout = -1;
+	struct timespec end_time, *to = NULL;
 	struct timeval tv;
 	int ret;
 
@@ -460,43 +460,14 @@ asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 		if (copy_from_user(&tv, tvp, sizeof(tv)))
 			return -EFAULT;
 
-		if (tv.tv_sec < 0 || tv.tv_usec < 0)
+		to = &end_time;
+		if (poll_select_set_timeout(to, tv.tv_sec,
+					    tv.tv_usec * NSEC_PER_USEC))
 			return -EINVAL;
-
-		/* Cast to u64 to make GCC stop complaining */
-		if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS)
-			timeout = -1;	/* infinite */
-		else {
-			timeout = DIV_ROUND_UP(tv.tv_usec, USEC_PER_SEC/HZ);
-			timeout += tv.tv_sec * HZ;
-		}
 	}
 
-	ret = core_sys_select(n, inp, outp, exp, &timeout);
-
-	if (tvp) {
-		struct timeval rtv;
-
-		if (current->personality & STICKY_TIMEOUTS)
-			goto sticky;
-		rtv.tv_usec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ));
-		rtv.tv_sec = timeout;
-		if (timeval_compare(&rtv, &tv) >= 0)
-			rtv = tv;
-		if (copy_to_user(tvp, &rtv, sizeof(rtv))) {
-sticky:
-			/*
-			 * If an application puts its timeval in read-only
-			 * memory, we don't want the Linux-specific update to
-			 * the timeval to cause a fault after the select has
-			 * completed successfully. However, because we're not
-			 * updating the timeval, we can't restart the system
-			 * call.
-			 */
-			if (ret == -ERESTARTNOHAND)
-				ret = -EINTR;
-		}
-	}
+	ret = core_sys_select(n, inp, outp, exp, to);
+	ret = poll_select_copy_remaining(&end_time, tvp, 1, ret);
 
 	return ret;
 }
@@ -506,25 +477,17 @@ asmlinkage long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp,
 		fd_set __user *exp, struct timespec __user *tsp,
 		const sigset_t __user *sigmask, size_t sigsetsize)
 {
-	s64 timeout = MAX_SCHEDULE_TIMEOUT;
 	sigset_t ksigmask, sigsaved;
-	struct timespec ts;
+	struct timespec ts, end_time, *to = NULL;
 	int ret;
 
 	if (tsp) {
 		if (copy_from_user(&ts, tsp, sizeof(ts)))
 			return -EFAULT;
 
-		if (ts.tv_sec < 0 || ts.tv_nsec < 0)
+		to = &end_time;
+		if (poll_select_set_timeout(to, ts.tv_sec, ts.tv_nsec))
 			return -EINVAL;
-
-		/* Cast to u64 to make GCC stop complaining */
-		if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS)
-			timeout = -1;	/* infinite */
-		else {
-			timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ);
-			timeout += ts.tv_sec * HZ;
-		}
 	}
 
 	if (sigmask) {
@@ -538,32 +501,8 @@ asmlinkage long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp,
 		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
 	}
 
-	ret = core_sys_select(n, inp, outp, exp, &timeout);
-
-	if (tsp) {
-		struct timespec rts;
-
-		if (current->personality & STICKY_TIMEOUTS)
-			goto sticky;
-		rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) *
-						1000;
-		rts.tv_sec = timeout;
-		if (timespec_compare(&rts, &ts) >= 0)
-			rts = ts;
-		if (copy_to_user(tsp, &rts, sizeof(rts))) {
-sticky:
-			/*
-			 * If an application puts its timeval in read-only
-			 * memory, we don't want the Linux-specific update to
-			 * the timeval to cause a fault after the select has
-			 * completed successfully. However, because we're not
-			 * updating the timeval, we can't restart the system
-			 * call.
-			 */
-			if (ret == -ERESTARTNOHAND)
-				ret = -EINTR;
-		}
-	}
+	ret = core_sys_select(n, inp, outp, exp, &end_time);
+	ret = poll_select_copy_remaining(&end_time, tsp, 0, ret);
 
 	if (ret == -ERESTARTNOHAND) {
 		/*
@@ -649,18 +588,20 @@ static inline unsigned int do_pollfd(struct pollfd *pollfd, poll_table *pwait)
 }
 
 static int do_poll(unsigned int nfds,  struct poll_list *list,
-		   struct poll_wqueues *wait, s64 *timeout)
+		   struct poll_wqueues *wait, struct timespec *end_time)
 {
-	int count = 0;
 	poll_table* pt = &wait->pt;
+	ktime_t expire, *to = NULL;
+	int timed_out = 0, count = 0;
 
 	/* Optimise the no-wait case */
-	if (!(*timeout))
+	if (end_time && !end_time->tv_sec && !end_time->tv_nsec) {
 		pt = NULL;
+		timed_out = 1;
+	}
 
 	for (;;) {
 		struct poll_list *walk;
-		long __timeout;
 
 		set_current_state(TASK_INTERRUPTIBLE);
 		for (walk = list; walk != NULL; walk = walk->next) {
@@ -692,27 +633,21 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
 			if (signal_pending(current))
 				count = -EINTR;
 		}
-		if (count || !*timeout)
+		if (count || timed_out)
 			break;
 
-		if (*timeout < 0) {
-			/* Wait indefinitely */
-			__timeout = MAX_SCHEDULE_TIMEOUT;
-		} else if (unlikely(*timeout >= (s64)MAX_SCHEDULE_TIMEOUT-1)) {
-			/*
-			 * Wait for longer than MAX_SCHEDULE_TIMEOUT. Do it in
-			 * a loop
-			 */
-			__timeout = MAX_SCHEDULE_TIMEOUT - 1;
-			*timeout -= __timeout;
-		} else {
-			__timeout = *timeout;
-			*timeout = 0;
+		/*
+		 * If this is the first loop and we have a timeout
+		 * given, then we convert to ktime_t and set the to
+		 * pointer to the expiry value.
+		 */
+		if (end_time && !to) {
+			expire = timespec_to_ktime(*end_time);
+			to = &expire;
 		}
 
-		__timeout = schedule_timeout(__timeout);
-		if (*timeout >= 0)
-			*timeout += __timeout;
+		if (!schedule_hrtimeout(to, HRTIMER_MODE_ABS))
+			timed_out = 1;
 	}
 	__set_current_state(TASK_RUNNING);
 	return count;
@@ -721,7 +656,8 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
 #define N_STACK_PPS ((sizeof(stack_pps) - sizeof(struct poll_list))  / \
 			sizeof(struct pollfd))
 
-int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout)
+int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,
+		struct timespec *end_time)
 {
 	struct poll_wqueues table;
  	int err = -EFAULT, fdcount, len, size;
@@ -761,7 +697,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout)
 	}
 
 	poll_initwait(&table);
-	fdcount = do_poll(nfds, head, &table, timeout);
+	fdcount = do_poll(nfds, head, &table, end_time);
 	poll_freewait(&table);
 
 	for (walk = head; walk; walk = walk->next) {
@@ -787,16 +723,21 @@ out_fds:
 
 static long do_restart_poll(struct restart_block *restart_block)
 {
-	struct pollfd __user *ufds = (struct pollfd __user*)restart_block->arg0;
-	int nfds = restart_block->arg1;
-	s64 timeout = ((s64)restart_block->arg3<<32) | (s64)restart_block->arg2;
+	struct pollfd __user *ufds = restart_block->poll.ufds;
+	int nfds = restart_block->poll.nfds;
+	struct timespec *to = NULL, end_time;
 	int ret;
 
-	ret = do_sys_poll(ufds, nfds, &timeout);
+	if (restart_block->poll.has_timeout) {
+		end_time.tv_sec = restart_block->poll.tv_sec;
+		end_time.tv_nsec = restart_block->poll.tv_nsec;
+		to = &end_time;
+	}
+
+	ret = do_sys_poll(ufds, nfds, to);
+
 	if (ret == -EINTR) {
 		restart_block->fn = do_restart_poll;
-		restart_block->arg2 = timeout & 0xFFFFFFFF;
-		restart_block->arg3 = (u64)timeout >> 32;
 		ret = -ERESTART_RESTARTBLOCK;
 	}
 	return ret;
@@ -805,31 +746,32 @@ static long do_restart_poll(struct restart_block *restart_block)
 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
 			long timeout_msecs)
 {
-	s64 timeout_jiffies;
+	struct timespec end_time, *to = NULL;
 	int ret;
 
-	if (timeout_msecs > 0) {
-#if HZ > 1000
-		/* We can only overflow if HZ > 1000 */
-		if (timeout_msecs / 1000 > (s64)0x7fffffffffffffffULL / (s64)HZ)
-			timeout_jiffies = -1;
-		else
-#endif
-			timeout_jiffies = msecs_to_jiffies(timeout_msecs) + 1;
-	} else {
-		/* Infinite (< 0) or no (0) timeout */
-		timeout_jiffies = timeout_msecs;
+	if (timeout_msecs >= 0) {
+		to = &end_time;
+		poll_select_set_timeout(to, timeout_msecs / MSEC_PER_SEC,
+			NSEC_PER_MSEC * (timeout_msecs % MSEC_PER_SEC));
 	}
 
-	ret = do_sys_poll(ufds, nfds, &timeout_jiffies);
+	ret = do_sys_poll(ufds, nfds, to);
+
 	if (ret == -EINTR) {
 		struct restart_block *restart_block;
+
 		restart_block = &current_thread_info()->restart_block;
 		restart_block->fn = do_restart_poll;
-		restart_block->arg0 = (unsigned long)ufds;
-		restart_block->arg1 = nfds;
-		restart_block->arg2 = timeout_jiffies & 0xFFFFFFFF;
-		restart_block->arg3 = (u64)timeout_jiffies >> 32;
+		restart_block->poll.ufds = ufds;
+		restart_block->poll.nfds = nfds;
+
+		if (timeout_msecs >= 0) {
+			restart_block->poll.tv_sec = end_time.tv_sec;
+			restart_block->poll.tv_nsec = end_time.tv_nsec;
+			restart_block->poll.has_timeout = 1;
+		} else
+			restart_block->poll.has_timeout = 0;
+
 		ret = -ERESTART_RESTARTBLOCK;
 	}
 	return ret;
@@ -841,21 +783,16 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
 	size_t sigsetsize)
 {
 	sigset_t ksigmask, sigsaved;
-	struct timespec ts;
-	s64 timeout = -1;
+	struct timespec ts, end_time, *to = NULL;
 	int ret;
 
 	if (tsp) {
 		if (copy_from_user(&ts, tsp, sizeof(ts)))
 			return -EFAULT;
 
-		/* Cast to u64 to make GCC stop complaining */
-		if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS)
-			timeout = -1;	/* infinite */
-		else {
-			timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ);
-			timeout += ts.tv_sec * HZ;
-		}
+		to = &end_time;
+		if (poll_select_set_timeout(to, ts.tv_sec, ts.tv_nsec))
+			return -EINVAL;
 	}
 
 	if (sigmask) {
@@ -869,7 +806,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
 		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
 	}
 
-	ret = do_sys_poll(ufds, nfds, &timeout);
+	ret = do_sys_poll(ufds, nfds, to);
 
 	/* We can restart this syscall, usually */
 	if (ret == -EINTR) {
@@ -887,31 +824,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
 	} else if (sigmask)
 		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
 
-	if (tsp && timeout >= 0) {
-		struct timespec rts;
-
-		if (current->personality & STICKY_TIMEOUTS)
-			goto sticky;
-		/* Yes, we know it's actually an s64, but it's also positive. */
-		rts.tv_nsec = jiffies_to_usecs(do_div((*(u64*)&timeout), HZ)) *
-						1000;
-		rts.tv_sec = timeout;
-		if (timespec_compare(&rts, &ts) >= 0)
-			rts = ts;
-		if (copy_to_user(tsp, &rts, sizeof(rts))) {
-		sticky:
-			/*
-			 * If an application puts its timeval in read-only
-			 * memory, we don't want the Linux-specific update to
-			 * the timeval to cause a fault after the select has
-			 * completed successfully. However, because we're not
-			 * updating the timeval, we can't restart the system
-			 * call.
-			 */
-			if (ret == -ERESTARTNOHAND && timeout >= 0)
-				ret = -EINTR;
-		}
-	}
+	ret = poll_select_copy_remaining(&end_time, tsp, 0, ret);
 
 	return ret;
 }
diff --git a/include/linux/poll.h b/include/linux/poll.h
index f65de5128a9..badd98ab06f 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -114,11 +114,11 @@ void zero_fd_set(unsigned long nr, unsigned long *fdset)
 
 #define MAX_INT64_SECONDS (((s64)(~((u64)0)>>1)/HZ)-1)
 
-extern int do_select(int n, fd_set_bits *fds, s64 *timeout);
+extern int do_select(int n, fd_set_bits *fds, struct timespec *end_time);
 extern int do_sys_poll(struct pollfd __user * ufds, unsigned int nfds,
-		       s64 *timeout);
+		       struct timespec *end_time);
 extern int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
-			   fd_set __user *exp, s64 *timeout);
+			   fd_set __user *exp, struct timespec *end_time);
 
 extern int poll_select_set_timeout(struct timespec *to, long sec, long nsec);
 
-- 
GitLab


From 63ca243b271f5b44e0b1057003cf498b6d0fadf7 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 14:35:02 -0700
Subject: [PATCH 0060/2224] hrtimer: add abstraction functions for accessing
 the "expires" member

In order to be able to turn hrtimers into range based, we need to provide
accessor functions for getting to the "expires" ktime_t member of the
struct hrtimer.

This patch adds a set of accessors for this purpose:
* hrtimer_set_expires
* hrtimer_set_expires_tv64
* hrtimer_add_expires
* hrtimer_add_expires_ns
* hrtimer_get_expires
* hrtimer_get_expires_tv64
* hrtimer_get_expires_ns
* hrtimer_expires_remaining
* hrtimer_start_expires

No users of these new accessors are added yet; these follow in later patches.
Hopefully this patch can even go into 2.6.27-rc so that the conversions will
not have a bottleneck in -next

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/hrtimer.h | 45 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index becd17db1a1..9900e998ea8 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -217,6 +217,45 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 	return timer->base->cpu_base->hres_active;
 }
 
+static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time)
+{
+	timer->expires = time;
+}
+static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64)
+{
+	timer->expires.tv64 = tv64;
+}
+
+static inline void hrtimer_add_expires(struct hrtimer *timer, ktime_t time)
+{
+	timer->expires = ktime_add_safe(timer->expires, time);
+}
+
+static inline void hrtimer_add_expires_ns(struct hrtimer *timer, unsigned long ns)
+{
+	timer->expires = ktime_add_ns(timer->expires, ns);
+}
+
+static inline ktime_t hrtimer_get_expires(const struct hrtimer *timer)
+{
+	return timer->expires;
+}
+
+static inline s64 hrtimer_get_expires_tv64(const struct hrtimer *timer)
+{
+	return timer->expires.tv64;
+}
+
+static inline s64 hrtimer_get_expires_ns(const struct hrtimer *timer)
+{
+	return ktime_to_ns(timer->expires);
+}
+
+static inline ktime_t hrtimer_expires_remaining(const struct hrtimer *timer)
+{
+    return ktime_sub(timer->expires, timer->base->get_time());
+}
+
 /*
  * The resolution of the clocks. The resolution value is returned in
  * the clock_getres() system call to give application programmers an
@@ -287,6 +326,12 @@ extern int hrtimer_start(struct hrtimer *timer, ktime_t tim,
 extern int hrtimer_cancel(struct hrtimer *timer);
 extern int hrtimer_try_to_cancel(struct hrtimer *timer);
 
+static inline int hrtimer_start_expires(struct hrtimer *timer,
+						enum hrtimer_mode mode)
+{
+	return hrtimer_start(timer, hrtimer_get_expires(timer), mode);
+}
+
 static inline int hrtimer_restart(struct hrtimer *timer)
 {
 	return hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
-- 
GitLab


From beb20d52d03a51218827fb4a36a4b583debb03f9 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 14:55:57 -0700
Subject: [PATCH 0061/2224] hrtimer: convert kvm to the new hrtimer apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts KVM to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 arch/x86/kvm/i8254.c | 6 +++---
 arch/x86/kvm/lapic.c | 6 ++----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index c0f7872a912..1bf8f57a304 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -205,8 +205,8 @@ static int __pit_timer_fn(struct kvm_kpit_state *ps)
 		wake_up_interruptible(&vcpu0->wq);
 	}
 
-	pt->timer.expires = ktime_add_ns(pt->timer.expires, pt->period);
-	pt->scheduled = ktime_to_ns(pt->timer.expires);
+	hrtimer_add_expires_ns(&pt->timer, pt->period);
+	pt->scheduled = ktime_to_ns(hrtimer_get_expires(&pt->timer));
 
 	return (pt->period == 0 ? 0 : 1);
 }
@@ -246,7 +246,7 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
 
 	timer = &pit->pit_state.pit_timer.timer;
 	if (hrtimer_cancel(timer))
-		hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
+		hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
 }
 
 static void destroy_pit_timer(struct kvm_kpit_timer *pt)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 73f43de69f6..a5b61de6adf 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -953,9 +953,7 @@ static int __apic_timer_fn(struct kvm_lapic *apic)
 	}
 	if (apic_lvtt_period(apic)) {
 		result = 1;
-		apic->timer.dev.expires = ktime_add_ns(
-					apic->timer.dev.expires,
-					apic->timer.period);
+		hrtimer_add_expires_ns(&apic->timer.dev, apic->timer.period);
 	}
 	return result;
 }
@@ -1124,7 +1122,7 @@ void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
 
 	timer = &apic->timer.dev;
 	if (hrtimer_cancel(timer))
-		hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
+		hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
 }
 
 void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu)
-- 
GitLab


From 76369470b7e5f97fc1a8af83c45b9ff739b08cb6 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:00:14 -0700
Subject: [PATCH 0062/2224] hrtimer: convert timerfd to the new hrtimer apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts timerfd to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 fs/timerfd.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/timerfd.c b/fs/timerfd.c
index c502c60e4f5..0862f0e49d0 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -52,11 +52,9 @@ static enum hrtimer_restart timerfd_tmrproc(struct hrtimer *htmr)
 
 static ktime_t timerfd_get_remaining(struct timerfd_ctx *ctx)
 {
-	ktime_t now, remaining;
-
-	now = ctx->tmr.base->get_time();
-	remaining = ktime_sub(ctx->tmr.expires, now);
+	ktime_t remaining;
 
+	remaining = hrtimer_expires_remaining(&ctx->tmr);
 	return remaining.tv64 < 0 ? ktime_set(0, 0): remaining;
 }
 
@@ -74,7 +72,7 @@ static void timerfd_setup(struct timerfd_ctx *ctx, int flags,
 	ctx->ticks = 0;
 	ctx->tintv = timespec_to_ktime(ktmr->it_interval);
 	hrtimer_init(&ctx->tmr, ctx->clockid, htmode);
-	ctx->tmr.expires = texp;
+	hrtimer_set_expires(&ctx->tmr, texp);
 	ctx->tmr.function = timerfd_tmrproc;
 	if (texp.tv64 != 0)
 		hrtimer_start(&ctx->tmr, texp, htmode);
-- 
GitLab


From 23dd7bb09bd8d7efd8a602aed97b93d52f85e675 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:00:54 -0700
Subject: [PATCH 0063/2224] hrtimer: convert net::sched_cbq to the new hrtimer
 apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts sched_cbq to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 net/sched/sch_cbq.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 8b06fa90048..03e389e8d94 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -545,9 +545,10 @@ static void cbq_ovl_delay(struct cbq_class *cl)
 			expires = ktime_set(0, 0);
 			expires = ktime_add_ns(expires, PSCHED_US2NS(sched));
 			if (hrtimer_try_to_cancel(&q->delay_timer) &&
-			    ktime_to_ns(ktime_sub(q->delay_timer.expires,
-						  expires)) > 0)
-				q->delay_timer.expires = expires;
+			    ktime_to_ns(ktime_sub(
+					hrtimer_get_expires(&q->delay_timer),
+					expires)) > 0)
+				hrtimer_set_expires(&q->delay_timer, expires);
 			hrtimer_restart(&q->delay_timer);
 			cl->delayed = 1;
 			cl->xstats.overactions++;
-- 
GitLab


From cc584b213f252bf698849cf4be2377cd3ec7501a Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:02:30 -0700
Subject: [PATCH 0064/2224] hrtimer: convert kernel/* to the new hrtimer apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts kernel/* to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 kernel/futex.c           |  7 +++----
 kernel/hrtimer.c         | 44 +++++++++++++++++++++-------------------
 kernel/posix-timers.c    | 10 ++++-----
 kernel/rtmutex.c         |  3 +--
 kernel/sched.c           |  7 +++----
 kernel/time/ntp.c        |  3 +--
 kernel/time/tick-sched.c | 21 +++++++++----------
 kernel/time/timer_list.c |  4 ++--
 8 files changed, 47 insertions(+), 52 deletions(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index 7d1136e97c1..4cd5b4319b0 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1299,10 +1299,9 @@ static int futex_wait(u32 __user *uaddr, struct rw_semaphore *fshared,
 			hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC,
 						HRTIMER_MODE_ABS);
 			hrtimer_init_sleeper(&t, current);
-			t.timer.expires = *abs_time;
+			hrtimer_set_expires(&t.timer, *abs_time);
 
-			hrtimer_start(&t.timer, t.timer.expires,
-						HRTIMER_MODE_ABS);
+			hrtimer_start_expires(&t.timer, HRTIMER_MODE_ABS);
 			if (!hrtimer_active(&t.timer))
 				t.task = NULL;
 
@@ -1404,7 +1403,7 @@ static int futex_lock_pi(u32 __user *uaddr, struct rw_semaphore *fshared,
 		hrtimer_init_on_stack(&to->timer, CLOCK_REALTIME,
 				      HRTIMER_MODE_ABS);
 		hrtimer_init_sleeper(to, current);
-		to->timer.expires = *time;
+		hrtimer_set_expires(&to->timer, *time);
 	}
 
 	q.pi_state = NULL;
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 782137dc755..ae307feec74 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -517,7 +517,7 @@ static void hrtimer_force_reprogram(struct hrtimer_cpu_base *cpu_base)
 		if (!base->first)
 			continue;
 		timer = rb_entry(base->first, struct hrtimer, node);
-		expires = ktime_sub(timer->expires, base->offset);
+		expires = ktime_sub(hrtimer_get_expires(timer), base->offset);
 		if (expires.tv64 < cpu_base->expires_next.tv64)
 			cpu_base->expires_next = expires;
 	}
@@ -539,10 +539,10 @@ static int hrtimer_reprogram(struct hrtimer *timer,
 			     struct hrtimer_clock_base *base)
 {
 	ktime_t *expires_next = &__get_cpu_var(hrtimer_bases).expires_next;
-	ktime_t expires = ktime_sub(timer->expires, base->offset);
+	ktime_t expires = ktime_sub(hrtimer_get_expires(timer), base->offset);
 	int res;
 
-	WARN_ON_ONCE(timer->expires.tv64 < 0);
+	WARN_ON_ONCE(hrtimer_get_expires_tv64(timer) < 0);
 
 	/*
 	 * When the callback is running, we do not reprogram the clock event
@@ -794,7 +794,7 @@ u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
 	u64 orun = 1;
 	ktime_t delta;
 
-	delta = ktime_sub(now, timer->expires);
+	delta = ktime_sub(now, hrtimer_get_expires(timer));
 
 	if (delta.tv64 < 0)
 		return 0;
@@ -806,8 +806,8 @@ u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
 		s64 incr = ktime_to_ns(interval);
 
 		orun = ktime_divns(delta, incr);
-		timer->expires = ktime_add_ns(timer->expires, incr * orun);
-		if (timer->expires.tv64 > now.tv64)
+		hrtimer_add_expires_ns(timer, incr * orun);
+		if (hrtimer_get_expires_tv64(timer) > now.tv64)
 			return orun;
 		/*
 		 * This (and the ktime_add() below) is the
@@ -815,7 +815,7 @@ u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
 		 */
 		orun++;
 	}
-	timer->expires = ktime_add_safe(timer->expires, interval);
+	hrtimer_add_expires(timer, interval);
 
 	return orun;
 }
@@ -847,7 +847,8 @@ static void enqueue_hrtimer(struct hrtimer *timer,
 		 * We dont care about collisions. Nodes with
 		 * the same expiry time stay together.
 		 */
-		if (timer->expires.tv64 < entry->expires.tv64) {
+		if (hrtimer_get_expires_tv64(timer) <
+				hrtimer_get_expires_tv64(entry)) {
 			link = &(*link)->rb_left;
 		} else {
 			link = &(*link)->rb_right;
@@ -982,7 +983,7 @@ hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode)
 #endif
 	}
 
-	timer->expires = tim;
+	hrtimer_set_expires(timer, tim);
 
 	timer_stats_hrtimer_set_start_info(timer);
 
@@ -1076,7 +1077,7 @@ ktime_t hrtimer_get_remaining(const struct hrtimer *timer)
 	ktime_t rem;
 
 	base = lock_hrtimer_base(timer, &flags);
-	rem = ktime_sub(timer->expires, base->get_time());
+	rem = hrtimer_expires_remaining(timer);
 	unlock_hrtimer_base(timer, &flags);
 
 	return rem;
@@ -1108,7 +1109,7 @@ ktime_t hrtimer_get_next_event(void)
 				continue;
 
 			timer = rb_entry(base->first, struct hrtimer, node);
-			delta.tv64 = timer->expires.tv64;
+			delta.tv64 = hrtimer_get_expires_tv64(timer);
 			delta = ktime_sub(delta, base->get_time());
 			if (delta.tv64 < mindelta.tv64)
 				mindelta.tv64 = delta.tv64;
@@ -1308,10 +1309,10 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 
 			timer = rb_entry(node, struct hrtimer, node);
 
-			if (basenow.tv64 < timer->expires.tv64) {
+			if (basenow.tv64 < hrtimer_get_expires_tv64(timer)) {
 				ktime_t expires;
 
-				expires = ktime_sub(timer->expires,
+				expires = ktime_sub(hrtimer_get_expires(timer),
 						    base->offset);
 				if (expires.tv64 < expires_next.tv64)
 					expires_next = expires;
@@ -1414,7 +1415,8 @@ void hrtimer_run_queues(void)
 			struct hrtimer *timer;
 
 			timer = rb_entry(node, struct hrtimer, node);
-			if (base->softirq_time.tv64 <= timer->expires.tv64)
+			if (base->softirq_time.tv64 <=
+					hrtimer_get_expires_tv64(timer))
 				break;
 
 			if (timer->cb_mode == HRTIMER_CB_SOFTIRQ) {
@@ -1462,7 +1464,7 @@ static int __sched do_nanosleep(struct hrtimer_sleeper *t, enum hrtimer_mode mod
 
 	do {
 		set_current_state(TASK_INTERRUPTIBLE);
-		hrtimer_start(&t->timer, t->timer.expires, mode);
+		hrtimer_start_expires(&t->timer, mode);
 		if (!hrtimer_active(&t->timer))
 			t->task = NULL;
 
@@ -1484,7 +1486,7 @@ static int update_rmtp(struct hrtimer *timer, struct timespec __user *rmtp)
 	struct timespec rmt;
 	ktime_t rem;
 
-	rem = ktime_sub(timer->expires, timer->base->get_time());
+	rem = hrtimer_expires_remaining(timer);
 	if (rem.tv64 <= 0)
 		return 0;
 	rmt = ktime_to_timespec(rem);
@@ -1503,7 +1505,7 @@ long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
 
 	hrtimer_init_on_stack(&t.timer, restart->nanosleep.index,
 				HRTIMER_MODE_ABS);
-	t.timer.expires.tv64 = restart->nanosleep.expires;
+	hrtimer_set_expires_tv64(&t.timer, restart->nanosleep.expires);
 
 	if (do_nanosleep(&t, HRTIMER_MODE_ABS))
 		goto out;
@@ -1530,7 +1532,7 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
 	int ret = 0;
 
 	hrtimer_init_on_stack(&t.timer, clockid, mode);
-	t.timer.expires = timespec_to_ktime(*rqtp);
+	hrtimer_set_expires(&t.timer, timespec_to_ktime(*rqtp));
 	if (do_nanosleep(&t, mode))
 		goto out;
 
@@ -1550,7 +1552,7 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
 	restart->fn = hrtimer_nanosleep_restart;
 	restart->nanosleep.index = t.timer.base->index;
 	restart->nanosleep.rmtp = rmtp;
-	restart->nanosleep.expires = t.timer.expires.tv64;
+	restart->nanosleep.expires = hrtimer_get_expires_tv64(&t.timer);
 
 	ret = -ERESTART_RESTARTBLOCK;
 out:
@@ -1724,11 +1726,11 @@ int __sched schedule_hrtimeout(ktime_t *expires,
 	}
 
 	hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, mode);
-	t.timer.expires = *expires;
+	hrtimer_set_expires(&t.timer, *expires);
 
 	hrtimer_init_sleeper(&t, current);
 
-	hrtimer_start(&t.timer, t.timer.expires, mode);
+	hrtimer_start_expires(&t.timer, mode);
 	if (!hrtimer_active(&t.timer))
 		t.task = NULL;
 
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index e36d5798cbf..f85efcdcab2 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -668,7 +668,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
 	    (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
 		timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);
 
-	remaining = ktime_sub(timer->expires, now);
+	remaining = ktime_sub(hrtimer_get_expires(timer), now);
 	/* Return 0 only, when the timer is expired and not pending */
 	if (remaining.tv64 <= 0) {
 		/*
@@ -762,7 +762,7 @@ common_timer_set(struct k_itimer *timr, int flags,
 	hrtimer_init(&timr->it.real.timer, timr->it_clock, mode);
 	timr->it.real.timer.function = posix_timer_fn;
 
-	timer->expires = timespec_to_ktime(new_setting->it_value);
+	hrtimer_set_expires(timer, timespec_to_ktime(new_setting->it_value));
 
 	/* Convert interval */
 	timr->it.real.interval = timespec_to_ktime(new_setting->it_interval);
@@ -771,14 +771,12 @@ common_timer_set(struct k_itimer *timr, int flags,
 	if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {
 		/* Setup correct expiry time for relative timers */
 		if (mode == HRTIMER_MODE_REL) {
-			timer->expires =
-				ktime_add_safe(timer->expires,
-					       timer->base->get_time());
+			hrtimer_add_expires(timer, timer->base->get_time());
 		}
 		return 0;
 	}
 
-	hrtimer_start(timer, timer->expires, mode);
+	hrtimer_start_expires(timer, mode);
 	return 0;
 }
 
diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c
index 6522ae5b14a..69d9cb921ff 100644
--- a/kernel/rtmutex.c
+++ b/kernel/rtmutex.c
@@ -631,8 +631,7 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
 
 	/* Setup the timer, when timeout != NULL */
 	if (unlikely(timeout)) {
-		hrtimer_start(&timeout->timer, timeout->timer.expires,
-			      HRTIMER_MODE_ABS);
+		hrtimer_start_expires(&timeout->timer, HRTIMER_MODE_ABS);
 		if (!hrtimer_active(&timeout->timer))
 			timeout->task = NULL;
 	}
diff --git a/kernel/sched.c b/kernel/sched.c
index 1a5f73c1fcd..e46b5afa200 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -221,9 +221,8 @@ static void start_rt_bandwidth(struct rt_bandwidth *rt_b)
 
 		now = hrtimer_cb_get_time(&rt_b->rt_period_timer);
 		hrtimer_forward(&rt_b->rt_period_timer, now, rt_b->rt_period);
-		hrtimer_start(&rt_b->rt_period_timer,
-			      rt_b->rt_period_timer.expires,
-			      HRTIMER_MODE_ABS);
+		hrtimer_start_expires(&rt_b->rt_period_timer,
+				HRTIMER_MODE_ABS);
 	}
 	spin_unlock(&rt_b->rt_runtime_lock);
 }
@@ -1058,7 +1057,7 @@ static void hrtick_start(struct rq *rq, u64 delay)
 	struct hrtimer *timer = &rq->hrtick_timer;
 	ktime_t time = ktime_add_ns(timer->base->get_time(), delay);
 
-	timer->expires = time;
+	hrtimer_set_expires(timer, time);
 
 	if (rq == this_rq()) {
 		hrtimer_restart(timer);
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 5125ddd8196..4c8d85421d2 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -142,8 +142,7 @@ static enum hrtimer_restart ntp_leap_second(struct hrtimer *timer)
 		time_state = TIME_OOP;
 		printk(KERN_NOTICE "Clock: "
 		       "inserting leap second 23:59:60 UTC\n");
-		leap_timer.expires = ktime_add_ns(leap_timer.expires,
-						  NSEC_PER_SEC);
+		hrtimer_add_expires_ns(&leap_timer, NSEC_PER_SEC);
 		res = HRTIMER_RESTART;
 		break;
 	case TIME_DEL:
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index a87b0468568..b33be61c0f6 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -288,7 +288,7 @@ void tick_nohz_stop_sched_tick(int inidle)
 				goto out;
 			}
 
-			ts->idle_tick = ts->sched_timer.expires;
+			ts->idle_tick = hrtimer_get_expires(&ts->sched_timer);
 			ts->tick_stopped = 1;
 			ts->idle_jiffies = last_jiffies;
 			rcu_enter_nohz();
@@ -419,21 +419,21 @@ void tick_nohz_restart_sched_tick(void)
 	ts->tick_stopped  = 0;
 	ts->idle_exittime = now;
 	hrtimer_cancel(&ts->sched_timer);
-	ts->sched_timer.expires = ts->idle_tick;
+	hrtimer_set_expires(&ts->sched_timer, ts->idle_tick);
 
 	while (1) {
 		/* Forward the time to expire in the future */
 		hrtimer_forward(&ts->sched_timer, now, tick_period);
 
 		if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
-			hrtimer_start(&ts->sched_timer,
-				      ts->sched_timer.expires,
+			hrtimer_start_expires(&ts->sched_timer,
 				      HRTIMER_MODE_ABS);
 			/* Check, if the timer was already in the past */
 			if (hrtimer_active(&ts->sched_timer))
 				break;
 		} else {
-			if (!tick_program_event(ts->sched_timer.expires, 0))
+			if (!tick_program_event(
+				hrtimer_get_expires(&ts->sched_timer), 0))
 				break;
 		}
 		/* Update jiffies and reread time */
@@ -446,7 +446,7 @@ void tick_nohz_restart_sched_tick(void)
 static int tick_nohz_reprogram(struct tick_sched *ts, ktime_t now)
 {
 	hrtimer_forward(&ts->sched_timer, now, tick_period);
-	return tick_program_event(ts->sched_timer.expires, 0);
+	return tick_program_event(hrtimer_get_expires(&ts->sched_timer), 0);
 }
 
 /*
@@ -529,7 +529,7 @@ static void tick_nohz_switch_to_nohz(void)
 	next = tick_init_jiffy_update();
 
 	for (;;) {
-		ts->sched_timer.expires = next;
+		hrtimer_set_expires(&ts->sched_timer, next);
 		if (!tick_program_event(next, 0))
 			break;
 		next = ktime_add(next, tick_period);
@@ -625,16 +625,15 @@ void tick_setup_sched_timer(void)
 	ts->sched_timer.cb_mode = HRTIMER_CB_IRQSAFE_NO_SOFTIRQ;
 
 	/* Get the next period (per cpu) */
-	ts->sched_timer.expires = tick_init_jiffy_update();
+	hrtimer_set_expires(&ts->sched_timer, tick_init_jiffy_update());
 	offset = ktime_to_ns(tick_period) >> 1;
 	do_div(offset, num_possible_cpus());
 	offset *= smp_processor_id();
-	ts->sched_timer.expires = ktime_add_ns(ts->sched_timer.expires, offset);
+	hrtimer_add_expires_ns(&ts->sched_timer, offset);
 
 	for (;;) {
 		hrtimer_forward(&ts->sched_timer, now, tick_period);
-		hrtimer_start(&ts->sched_timer, ts->sched_timer.expires,
-			      HRTIMER_MODE_ABS);
+		hrtimer_start_expires(&ts->sched_timer, HRTIMER_MODE_ABS);
 		/* Check, if the timer was already in the past */
 		if (hrtimer_active(&ts->sched_timer))
 			break;
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index a40e20fd000..5224a3215fb 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -66,8 +66,8 @@ print_timer(struct seq_file *m, struct hrtimer *timer, int idx, u64 now)
 #endif
 	SEQ_printf(m, "\n");
 	SEQ_printf(m, " # expires at %Lu nsecs [in %Ld nsecs]\n",
-		(unsigned long long)ktime_to_ns(timer->expires),
-		(long long)(ktime_to_ns(timer->expires) - now));
+		(unsigned long long)ktime_to_ns(hrtimer_get_expires(timer)),
+		(long long)(ktime_to_ns(hrtimer_get_expires(timer)) - now));
 }
 
 static void
-- 
GitLab


From 23446d1dc3d4f42a2b0fb82d4a098f9179ba486d Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:18:10 -0700
Subject: [PATCH 0065/2224] hrtimer: convert powerpc/oprofile to the new
 hrtimer apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts powerpc/oprofile to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 arch/powerpc/oprofile/cell/spu_profiler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/oprofile/cell/spu_profiler.c b/arch/powerpc/oprofile/cell/spu_profiler.c
index 380d7e21753..02ffe060db5 100644
--- a/arch/powerpc/oprofile/cell/spu_profiler.c
+++ b/arch/powerpc/oprofile/cell/spu_profiler.c
@@ -196,7 +196,7 @@ int start_spu_profiling(unsigned int cycles_reset)
 	pr_debug("timer resolution: %lu\n", TICK_NSEC);
 	kt = ktime_set(0, profiling_interval);
 	hrtimer_init(&timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	timer.expires = kt;
+	hrtimer_set_expires(&timer, kt);
 	timer.function = profile_spus;
 
 	/* Allocate arrays for collecting SPU PC samples */
-- 
GitLab


From 18dd36af0010dd70c8634cdca0f99b47b5036c60 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:19:11 -0700
Subject: [PATCH 0066/2224] hrtimer: convert kvm-ia64 to the new hrtimer apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts KVM-ia64 to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 arch/ia64/kvm/kvm-ia64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 7a37d06376b..cf8eae1855e 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -1112,7 +1112,7 @@ static void kvm_migrate_hlt_timer(struct kvm_vcpu *vcpu)
 	struct hrtimer *p_ht = &vcpu->arch.hlt_timer;
 
 	if (hrtimer_cancel(p_ht))
-		hrtimer_start(p_ht, p_ht->expires, HRTIMER_MODE_ABS);
+		hrtimer_start_expires(p_ht, HRTIMER_MODE_ABS);
 }
 
 static enum hrtimer_restart hlt_timer_fn(struct hrtimer *data)
-- 
GitLab


From 6c644eaeb2e000a08f0e20653b0835bb90a93e4a Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:20:30 -0700
Subject: [PATCH 0067/2224] hrtimer: convert s390 to the new hrtimer apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts s390 to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 drivers/s390/crypto/ap_bus.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 62b6b55230d..6f02f1e674d 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -659,9 +659,9 @@ static ssize_t poll_timeout_store(struct bus_type *bus, const char *buf,
 	hr_time = ktime_set(0, poll_timeout);
 
 	if (!hrtimer_is_queued(&ap_poll_timer) ||
-	    !hrtimer_forward(&ap_poll_timer, ap_poll_timer.expires, hr_time)) {
-		ap_poll_timer.expires = hr_time;
-		hrtimer_start(&ap_poll_timer, hr_time, HRTIMER_MODE_ABS);
+	    !hrtimer_forward(&ap_poll_timer, hrtimer_get_expires(&ap_poll_timer), hr_time)) {
+		hrtimer_set_expires(&ap_poll_timer, hr_time);
+		hrtimer_start_expires(&ap_poll_timer, HRTIMER_MODE_ABS);
 	}
 	return count;
 }
-- 
GitLab


From 5c73a7d0411999e3cb3c6d64225450813738ae25 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:25:20 -0700
Subject: [PATCH 0068/2224] hrtimer: convert sound/ to the new hrtimer apis

In order to be able to do range hrtimers we need to use accessor functions
to the "expire" member of the hrtimer struct.
This patch converts sound/ to these accessors.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 sound/drivers/pcsp/pcsp_lib.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c
index e341f3f83b6..1f42e406311 100644
--- a/sound/drivers/pcsp/pcsp_lib.c
+++ b/sound/drivers/pcsp/pcsp_lib.c
@@ -34,7 +34,7 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
 		chip->thalf = 0;
 		if (!atomic_read(&chip->timer_active))
 			return HRTIMER_NORESTART;
-		hrtimer_forward(&chip->timer, chip->timer.expires,
+		hrtimer_forward(&chip->timer, hrtimer_get_expires(&chip->timer),
 				ktime_set(0, chip->ns_rem));
 		return HRTIMER_RESTART;
 	}
@@ -118,7 +118,8 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
 	chip->ns_rem = PCSP_PERIOD_NS();
 	ns = (chip->thalf ? PCSP_CALC_NS(timer_cnt) : chip->ns_rem);
 	chip->ns_rem -= ns;
-	hrtimer_forward(&chip->timer, chip->timer.expires, ktime_set(0, ns));
+	hrtimer_forward(&chip->timer, hrtimer_get_expires(&chip->timer),
+							ktime_set(0, ns));
 	return HRTIMER_RESTART;
 
 exit_nr_unlock2:
-- 
GitLab


From 799b64de256ea68fbb5db63bb55f61c305870643 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:27:58 -0700
Subject: [PATCH 0069/2224] hrtimer: rename the "expires" struct member to
 avoid accidental usage

To catch code that still touches the "expires" memory directly, rename it
to have the compiler complain rather than get nasty, hard to explain,
runtime behavior

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/hrtimer.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 9900e998ea8..485a634fd6e 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -111,7 +111,7 @@ enum hrtimer_cb_mode {
  */
 struct hrtimer {
 	struct rb_node			node;
-	ktime_t				expires;
+	ktime_t				_expires;
 	enum hrtimer_restart		(*function)(struct hrtimer *);
 	struct hrtimer_clock_base	*base;
 	unsigned long			state;
@@ -219,41 +219,41 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 
 static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time)
 {
-	timer->expires = time;
+	timer->_expires = time;
 }
 static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64)
 {
-	timer->expires.tv64 = tv64;
+	timer->_expires.tv64 = tv64;
 }
 
 static inline void hrtimer_add_expires(struct hrtimer *timer, ktime_t time)
 {
-	timer->expires = ktime_add_safe(timer->expires, time);
+	timer->_expires = ktime_add_safe(timer->_expires, time);
 }
 
 static inline void hrtimer_add_expires_ns(struct hrtimer *timer, unsigned long ns)
 {
-	timer->expires = ktime_add_ns(timer->expires, ns);
+	timer->_expires = ktime_add_ns(timer->_expires, ns);
 }
 
 static inline ktime_t hrtimer_get_expires(const struct hrtimer *timer)
 {
-	return timer->expires;
+	return timer->_expires;
 }
 
 static inline s64 hrtimer_get_expires_tv64(const struct hrtimer *timer)
 {
-	return timer->expires.tv64;
+	return timer->_expires.tv64;
 }
 
 static inline s64 hrtimer_get_expires_ns(const struct hrtimer *timer)
 {
-	return ktime_to_ns(timer->expires);
+	return ktime_to_ns(timer->_expires);
 }
 
 static inline ktime_t hrtimer_expires_remaining(const struct hrtimer *timer)
 {
-    return ktime_sub(timer->expires, timer->base->get_time());
+    return ktime_sub(timer->_expires, timer->base->get_time());
 }
 
 /*
@@ -334,7 +334,7 @@ static inline int hrtimer_start_expires(struct hrtimer *timer,
 
 static inline int hrtimer_restart(struct hrtimer *timer)
 {
-	return hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
+	return hrtimer_start(timer, timer->_expires, HRTIMER_MODE_ABS);
 }
 
 /* Query timers: */
-- 
GitLab


From 654c8e0b1c623b156c5b92f28d914ab38c9c2c90 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:47:08 -0700
Subject: [PATCH 0070/2224] hrtimer: turn hrtimers into range timers

this patch turns hrtimers into range timers; they have 2 expire points
1) the soft expire point
2) the hard expire point

the kernel will do it's regular best effort attempt to get the timer run
at the hard expire point. However, if some other time fires after the soft
expire point, the kernel now has the freedom to fire this timer at this point,
and thus grouping the events and preventing a power-expensive wakeup in the
future.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/hrtimer.h | 31 ++++++++++++++++++++++-
 kernel/hrtimer.c        | 56 ++++++++++++++++++++++++++++++++++++++---
 2 files changed, 82 insertions(+), 5 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 485a634fd6e..28259c33667 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -112,6 +112,7 @@ enum hrtimer_cb_mode {
 struct hrtimer {
 	struct rb_node			node;
 	ktime_t				_expires;
+	ktime_t				_softexpires;
 	enum hrtimer_restart		(*function)(struct hrtimer *);
 	struct hrtimer_clock_base	*base;
 	unsigned long			state;
@@ -220,20 +221,37 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time)
 {
 	timer->_expires = time;
+	timer->_softexpires = time;
 }
+
+static inline void hrtimer_set_expires_range(struct hrtimer *timer, ktime_t time, ktime_t delta)
+{
+	timer->_softexpires = time;
+	timer->_expires = ktime_add_safe(time, delta);
+}
+
+static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t time, unsigned long delta)
+{
+	timer->_softexpires = time;
+	timer->_expires = ktime_add_safe(time, ns_to_ktime(delta));
+}
+
 static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64)
 {
 	timer->_expires.tv64 = tv64;
+	timer->_softexpires.tv64 = tv64;
 }
 
 static inline void hrtimer_add_expires(struct hrtimer *timer, ktime_t time)
 {
 	timer->_expires = ktime_add_safe(timer->_expires, time);
+	timer->_softexpires = ktime_add_safe(timer->_softexpires, time);
 }
 
 static inline void hrtimer_add_expires_ns(struct hrtimer *timer, unsigned long ns)
 {
 	timer->_expires = ktime_add_ns(timer->_expires, ns);
+	timer->_softexpires = ktime_add_ns(timer->_softexpires, ns);
 }
 
 static inline ktime_t hrtimer_get_expires(const struct hrtimer *timer)
@@ -241,10 +259,19 @@ static inline ktime_t hrtimer_get_expires(const struct hrtimer *timer)
 	return timer->_expires;
 }
 
+static inline ktime_t hrtimer_get_softexpires(const struct hrtimer *timer)
+{
+	return timer->_softexpires;
+}
+
 static inline s64 hrtimer_get_expires_tv64(const struct hrtimer *timer)
 {
 	return timer->_expires.tv64;
 }
+static inline s64 hrtimer_get_softexpires_tv64(const struct hrtimer *timer)
+{
+	return timer->_softexpires.tv64;
+}
 
 static inline s64 hrtimer_get_expires_ns(const struct hrtimer *timer)
 {
@@ -334,7 +361,7 @@ static inline int hrtimer_start_expires(struct hrtimer *timer,
 
 static inline int hrtimer_restart(struct hrtimer *timer)
 {
-	return hrtimer_start(timer, timer->_expires, HRTIMER_MODE_ABS);
+	return hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
 }
 
 /* Query timers: */
@@ -391,6 +418,8 @@ extern long hrtimer_nanosleep_restart(struct restart_block *restart_block);
 extern void hrtimer_init_sleeper(struct hrtimer_sleeper *sl,
 				 struct task_struct *tsk);
 
+extern int schedule_hrtimeout_range(ktime_t *expires, unsigned long delta,
+						const enum hrtimer_mode mode);
 extern int schedule_hrtimeout(ktime_t *expires, const enum hrtimer_mode mode);
 
 /* Soft interrupt function to run the hrtimer queues: */
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index ae307feec74..01483004183 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1309,7 +1309,20 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 
 			timer = rb_entry(node, struct hrtimer, node);
 
-			if (basenow.tv64 < hrtimer_get_expires_tv64(timer)) {
+			/*
+			 * The immediate goal for using the softexpires is
+			 * minimizing wakeups, not running timers at the
+			 * earliest interrupt after their soft expiration.
+			 * This allows us to avoid using a Priority Search
+			 * Tree, which can answer a stabbing querry for
+			 * overlapping intervals and instead use the simple
+			 * BST we already have.
+			 * We don't add extra wakeups by delaying timers that
+			 * are right-of a not yet expired timer, because that
+			 * timer will have to trigger a wakeup anyway.
+			 */
+
+			if (basenow.tv64 < hrtimer_get_softexpires_tv64(timer)) {
 				ktime_t expires;
 
 				expires = ktime_sub(hrtimer_get_expires(timer),
@@ -1681,14 +1694,20 @@ void __init hrtimers_init(void)
 }
 
 /**
- * schedule_hrtimeout - sleep until timeout
+ * schedule_hrtimeout_range - sleep until timeout
  * @expires:	timeout value (ktime_t)
+ * @delta:	slack in expires timeout (ktime_t)
  * @mode:	timer mode, HRTIMER_MODE_ABS or HRTIMER_MODE_REL
  *
  * Make the current task sleep until the given expiry time has
  * elapsed. The routine will return immediately unless
  * the current task state has been set (see set_current_state()).
  *
+ * The @delta argument gives the kernel the freedom to schedule the
+ * actual wakeup to a time that is both power and performance friendly.
+ * The kernel give the normal best effort behavior for "@expires+@delta",
+ * but may decide to fire the timer earlier, but no earlier than @expires.
+ *
  * You can set the task state as follows -
  *
  * %TASK_UNINTERRUPTIBLE - at least @timeout time is guaranteed to
@@ -1702,7 +1721,7 @@ void __init hrtimers_init(void)
  *
  * Returns 0 when the timer has expired otherwise -EINTR
  */
-int __sched schedule_hrtimeout(ktime_t *expires,
+int __sched schedule_hrtimeout_range(ktime_t *expires, unsigned long delta,
 			       const enum hrtimer_mode mode)
 {
 	struct hrtimer_sleeper t;
@@ -1726,7 +1745,7 @@ int __sched schedule_hrtimeout(ktime_t *expires,
 	}
 
 	hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC, mode);
-	hrtimer_set_expires(&t.timer, *expires);
+	hrtimer_set_expires_range_ns(&t.timer, *expires, delta);
 
 	hrtimer_init_sleeper(&t, current);
 
@@ -1744,4 +1763,33 @@ int __sched schedule_hrtimeout(ktime_t *expires,
 
 	return !t.task ? 0 : -EINTR;
 }
+EXPORT_SYMBOL_GPL(schedule_hrtimeout_range);
+
+/**
+ * schedule_hrtimeout - sleep until timeout
+ * @expires:	timeout value (ktime_t)
+ * @mode:	timer mode, HRTIMER_MODE_ABS or HRTIMER_MODE_REL
+ *
+ * Make the current task sleep until the given expiry time has
+ * elapsed. The routine will return immediately unless
+ * the current task state has been set (see set_current_state()).
+ *
+ * You can set the task state as follows -
+ *
+ * %TASK_UNINTERRUPTIBLE - at least @timeout time is guaranteed to
+ * pass before the routine returns.
+ *
+ * %TASK_INTERRUPTIBLE - the routine may return early if a signal is
+ * delivered to the current task.
+ *
+ * The current task state is guaranteed to be TASK_RUNNING when this
+ * routine returns.
+ *
+ * Returns 0 when the timer has expired otherwise -EINTR
+ */
+int __sched schedule_hrtimeout(ktime_t *expires,
+			       const enum hrtimer_mode mode)
+{
+	return schedule_hrtimeout_range(expires, 0, mode);
+}
 EXPORT_SYMBOL_GPL(schedule_hrtimeout);
-- 
GitLab


From 6976675d94042fbd446231d1bd8b7de71a980ada Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:52:40 -0700
Subject: [PATCH 0071/2224] hrtimer: create a "timer_slack" field in the task
 struct

We want to be able to control the default "rounding" that is used by
select() and poll() and friends. This is a per process property
(so that we can have a "nice" like program to start certain programs with
a looser or stricter rounding) that can be set/get via a prctl().

For this purpose, a field called "timer_slack_ns" is added to the task
struct. In addition, a field called "default_timer_slack"ns" is added
so that tasks easily can temporarily to a more/less accurate slack and then
back to the default.

The default value of the slack is set to 50 usec; this is significantly less
than 2.6.27's average select() and poll() timing error but still allows
the kernel to group timers somewhat to preserve power behavior. Applications
and admins can override this via the prctl()

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/init_task.h |  1 +
 include/linux/prctl.h     |  7 +++++++
 include/linux/sched.h     |  6 ++++++
 kernel/fork.c             |  2 ++
 kernel/sys.c              | 10 ++++++++++
 5 files changed, 26 insertions(+)

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 021d8e720c7..23fd8909b9e 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -170,6 +170,7 @@ extern struct group_info init_groups;
 	.cpu_timers	= INIT_CPU_TIMERS(tsk.cpu_timers),		\
 	.fs_excl	= ATOMIC_INIT(0),				\
 	.pi_lock	= __SPIN_LOCK_UNLOCKED(tsk.pi_lock),		\
+	.timer_slack_ns = 50000, /* 50 usec default slack */		\
 	.pids = {							\
 		[PIDTYPE_PID]  = INIT_PID_LINK(PIDTYPE_PID),		\
 		[PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID),		\
diff --git a/include/linux/prctl.h b/include/linux/prctl.h
index 5ad79198d6f..48d887e3c6e 100644
--- a/include/linux/prctl.h
+++ b/include/linux/prctl.h
@@ -78,4 +78,11 @@
 #define PR_GET_SECUREBITS 27
 #define PR_SET_SECUREBITS 28
 
+/*
+ * Get/set the timerslack as used by poll/select/nanosleep
+ * A value of 0 means "use default"
+ */
+#define PR_SET_TIMERSLACK 29
+#define PR_GET_TIMERSLACK 30
+
 #endif /* _LINUX_PRCTL_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3d9120c5ad1..dcc03fd5a7f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1301,6 +1301,12 @@ struct task_struct {
 	int latency_record_count;
 	struct latency_record latency_record[LT_SAVECOUNT];
 #endif
+	/*
+	 * time slack values; these are used to round up poll() and
+	 * select() etc timeout values. These are in nanoseconds.
+	 */
+	unsigned long timer_slack_ns;
+	unsigned long default_timer_slack_ns;
 };
 
 /*
diff --git a/kernel/fork.c b/kernel/fork.c
index 7ce2ebe8479..4308d75f0fa 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -987,6 +987,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	p->prev_utime = cputime_zero;
 	p->prev_stime = cputime_zero;
 
+	p->default_timer_slack_ns = current->timer_slack_ns;
+
 #ifdef CONFIG_DETECT_SOFTLOCKUP
 	p->last_switch_count = 0;
 	p->last_switch_timestamp = 0;
diff --git a/kernel/sys.c b/kernel/sys.c
index 038a7bc0901..1b96401a057 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1727,6 +1727,16 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
 		case PR_SET_TSC:
 			error = SET_TSC_CTL(arg2);
 			break;
+		case PR_GET_TIMERSLACK:
+			error = current->timer_slack_ns;
+			break;
+		case PR_SET_TIMERSLACK:
+			if (arg2 <= 0)
+				current->timer_slack_ns =
+					current->default_timer_slack_ns;
+			else
+				current->timer_slack_ns = arg2;
+			break;
 		default:
 			error = -EINVAL;
 			break;
-- 
GitLab


From 90d6e24a3686325edea7748b966e138c9923017d Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 1 Sep 2008 15:55:35 -0700
Subject: [PATCH 0072/2224] hrtimer: make select() and poll() use the hrtimer
 range feature

This patch makes the select() and poll() hrtimers use the new range
feature and settings from the task struct.

In addition, this includes the estimate_accuracy() function that Linus
posted to lkml, but changed entirely based on other peoples lkml feedback.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 fs/select.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 62 insertions(+), 2 deletions(-)

diff --git a/fs/select.c b/fs/select.c
index f6dceb56793..5e61b43d076 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -28,6 +28,58 @@
 
 #include <asm/uaccess.h>
 
+
+/*
+ * Estimate expected accuracy in ns from a timeval.
+ *
+ * After quite a bit of churning around, we've settled on
+ * a simple thing of taking 0.1% of the timeout as the
+ * slack, with a cap of 100 msec.
+ * "nice" tasks get a 0.5% slack instead.
+ *
+ * Consider this comment an open invitation to come up with even
+ * better solutions..
+ */
+
+static unsigned long __estimate_accuracy(struct timespec *tv)
+{
+	unsigned long slack;
+	int divfactor = 1000;
+
+	if (task_nice(current))
+		divfactor = divfactor / 5;
+
+	slack = tv->tv_nsec / divfactor;
+	slack += tv->tv_sec * (NSEC_PER_SEC/divfactor);
+
+	if (slack > 100 * NSEC_PER_MSEC)
+		slack =  100 * NSEC_PER_MSEC;
+	return slack;
+}
+
+static unsigned long estimate_accuracy(struct timespec *tv)
+{
+	unsigned long ret;
+	struct timespec now;
+
+	/*
+	 * Realtime tasks get a slack of 0 for obvious reasons.
+	 */
+
+	if (current->policy == SCHED_FIFO ||
+		current->policy == SCHED_RR)
+		return 0;
+
+	ktime_get_ts(&now);
+	now = timespec_sub(*tv, now);
+	ret = __estimate_accuracy(&now);
+	if (ret < current->timer_slack_ns)
+		return current->timer_slack_ns;
+	return ret;
+}
+
+
+
 struct poll_table_page {
 	struct poll_table_page * next;
 	struct poll_table_entry * entry;
@@ -262,6 +314,7 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time)
 	struct poll_wqueues table;
 	poll_table *wait;
 	int retval, i, timed_out = 0;
+	unsigned long slack = 0;
 
 	rcu_read_lock();
 	retval = max_select_fd(n, fds);
@@ -278,6 +331,9 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time)
 		timed_out = 1;
 	}
 
+	if (end_time)
+		slack = estimate_accuracy(end_time);
+
 	retval = 0;
 	for (;;) {
 		unsigned long *rinp, *routp, *rexp, *inp, *outp, *exp;
@@ -353,7 +409,7 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time)
 			to = &expire;
 		}
 
-		if (!schedule_hrtimeout(to, HRTIMER_MODE_ABS))
+		if (!schedule_hrtimeout_range(to, slack, HRTIMER_MODE_ABS))
 			timed_out = 1;
 	}
 	__set_current_state(TASK_RUNNING);
@@ -593,6 +649,7 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
 	poll_table* pt = &wait->pt;
 	ktime_t expire, *to = NULL;
 	int timed_out = 0, count = 0;
+	unsigned long slack = 0;
 
 	/* Optimise the no-wait case */
 	if (end_time && !end_time->tv_sec && !end_time->tv_nsec) {
@@ -600,6 +657,9 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
 		timed_out = 1;
 	}
 
+	if (end_time)
+		slack = estimate_accuracy(end_time);
+
 	for (;;) {
 		struct poll_list *walk;
 
@@ -646,7 +706,7 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
 			to = &expire;
 		}
 
-		if (!schedule_hrtimeout(to, HRTIMER_MODE_ABS))
+		if (!schedule_hrtimeout_range(to, slack, HRTIMER_MODE_ABS))
 			timed_out = 1;
 	}
 	__set_current_state(TASK_RUNNING);
-- 
GitLab


From 584fb4a76413ec9215741e075e0dfb69173b213f Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sat, 6 Sep 2008 08:32:57 -0700
Subject: [PATCH 0073/2224] hrtimer: fix build bug found by Ingo

in some randconfig configurations, hrtimers are used even though
the hrtimer config if off; and it broke the build due to some of
the new functions being on the wrong side of the ifdef.

This patch moves the functions to the other side of the ifdef, fixing
the build bug.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/hrtimer.h | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 28259c33667..c407b33ef84 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -198,13 +198,6 @@ struct hrtimer_cpu_base {
 #endif
 };
 
-#ifdef CONFIG_HIGH_RES_TIMERS
-struct clock_event_device;
-
-extern void clock_was_set(void);
-extern void hres_timers_resume(void);
-extern void hrtimer_interrupt(struct clock_event_device *dev);
-
 /*
  * In high resolution mode the time reference must be read accurate
  */
@@ -283,6 +276,13 @@ static inline ktime_t hrtimer_expires_remaining(const struct hrtimer *timer)
     return ktime_sub(timer->_expires, timer->base->get_time());
 }
 
+#ifdef CONFIG_HIGH_RES_TIMERS
+struct clock_event_device;
+
+extern void clock_was_set(void);
+extern void hres_timers_resume(void);
+extern void hrtimer_interrupt(struct clock_event_device *dev);
+
 /*
  * The resolution of the clocks. The resolution value is returned in
  * the clock_getres() system call to give application programmers an
-- 
GitLab


From 2ec02270c00f94b08fddfb68c37510a9fb47ac7c Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sat, 6 Sep 2008 09:36:56 -0700
Subject: [PATCH 0074/2224] hrtimer: another build fix

More randconfig testing

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/hrtimer.h | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index c407b33ef84..4c1a834b984 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -198,19 +198,6 @@ struct hrtimer_cpu_base {
 #endif
 };
 
-/*
- * In high resolution mode the time reference must be read accurate
- */
-static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer)
-{
-	return timer->base->get_time();
-}
-
-static inline int hrtimer_is_hres_active(struct hrtimer *timer)
-{
-	return timer->base->cpu_base->hres_active;
-}
-
 static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time)
 {
 	timer->_expires = time;
@@ -283,6 +270,19 @@ extern void clock_was_set(void);
 extern void hres_timers_resume(void);
 extern void hrtimer_interrupt(struct clock_event_device *dev);
 
+/*
+ * In high resolution mode the time reference must be read accurate
+ */
+static inline ktime_t hrtimer_cb_get_time(struct hrtimer *timer)
+{
+	return timer->base->get_time();
+}
+
+static inline int hrtimer_is_hres_active(struct hrtimer *timer)
+{
+	return timer->base->cpu_base->hres_active;
+}
+
 /*
  * The resolution of the clocks. The resolution value is returned in
  * the clock_getres() system call to give application programmers an
-- 
GitLab


From 7e6e178ab1548c8d894a77593e757acf4510b8ba Mon Sep 17 00:00:00 2001
From: Pawel MOLL <pawel.moll@st.com>
Date: Mon, 1 Sep 2008 10:12:11 +0100
Subject: [PATCH 0075/2224] genirq: irq_chip->startup() usage in setup_irq and
 set_irq_chained handler

This patch clarifies usage of irq_chip->startup() callback:

1. The "if (startup) startup(); else enabled();" code in setup_irq()
   is unnecessary, as startup() falls back to enabled() via
   default callbacks, set by irq_chip_set_defaults().

2. When using set_irq_chained_handler() the startup() was never called,
   which is not good at all... Fixed. And again - when startup() is not
   defined the call will fall back to enable() than to unmask() via
   default callbacks.

Signed-off-by: Pawel Moll <pawel.moll@st.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/chip.c   | 2 +-
 kernel/irq/manage.c | 5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 964964baefa..240c64d5926 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -587,7 +587,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 		desc->status &= ~IRQ_DISABLED;
 		desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE;
 		desc->depth = 0;
-		desc->chip->unmask(irq);
+		desc->chip->startup(irq);
 	}
 	spin_unlock_irqrestore(&desc->lock, flags);
 }
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ae1b684e048..9aa3e7b8138 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -397,10 +397,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 		if (!(desc->status & IRQ_NOAUTOEN)) {
 			desc->depth = 0;
 			desc->status &= ~IRQ_DISABLED;
-			if (desc->chip->startup)
-				desc->chip->startup(irq);
-			else
-				desc->chip->enable(irq);
+			desc->chip->startup(irq);
 		} else
 			/* Undo nested disables: */
 			desc->depth = 1;
-- 
GitLab


From da8f2e170ea94cc20f8ebbc8ee8d127edb8f12f1 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 7 Sep 2008 10:47:46 -0700
Subject: [PATCH 0076/2224] hrtimer: add a hrtimer_start_range() function

this patch adds a _range version of hrtimer_start() so that range timers
can be created; the hrtimer_start() function is just a wrapper around this.

In addition, hrtimer_start_expires() will now preserve existing ranges.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/hrtimer.h |  9 ++++++++-
 kernel/hrtimer.c        | 26 +++++++++++++++++++++++---
 2 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 4c1a834b984..1c0473e8ecb 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -350,13 +350,20 @@ static inline void destroy_hrtimer_on_stack(struct hrtimer *timer) { }
 /* Basic timer operations: */
 extern int hrtimer_start(struct hrtimer *timer, ktime_t tim,
 			 const enum hrtimer_mode mode);
+extern int hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
+			unsigned long range_ns, const enum hrtimer_mode mode);
 extern int hrtimer_cancel(struct hrtimer *timer);
 extern int hrtimer_try_to_cancel(struct hrtimer *timer);
 
 static inline int hrtimer_start_expires(struct hrtimer *timer,
 						enum hrtimer_mode mode)
 {
-	return hrtimer_start(timer, hrtimer_get_expires(timer), mode);
+	unsigned long delta;
+	ktime_t soft, hard;
+	soft = hrtimer_get_softexpires(timer);
+	hard = hrtimer_get_expires(timer);
+	delta = ktime_to_ns(ktime_sub(hard, soft));
+	return hrtimer_start_range_ns(timer, hrtimer_get_expires(timer), delta, mode);
 }
 
 static inline int hrtimer_restart(struct hrtimer *timer)
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 01483004183..a0222097c57 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -945,9 +945,10 @@ remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base)
 }
 
 /**
- * hrtimer_start - (re)start an relative timer on the current CPU
+ * hrtimer_start_range_ns - (re)start an relative timer on the current CPU
  * @timer:	the timer to be added
  * @tim:	expiry time
+ * @delta_ns:	"slack" range for the timer
  * @mode:	expiry mode: absolute (HRTIMER_ABS) or relative (HRTIMER_REL)
  *
  * Returns:
@@ -955,7 +956,8 @@ remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base)
  *  1 when the timer was active
  */
 int
-hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode)
+hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, unsigned long delta_ns,
+			const enum hrtimer_mode mode)
 {
 	struct hrtimer_clock_base *base, *new_base;
 	unsigned long flags;
@@ -983,7 +985,7 @@ hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode)
 #endif
 	}
 
-	hrtimer_set_expires(timer, tim);
+	hrtimer_set_expires_range_ns(timer, tim, delta_ns);
 
 	timer_stats_hrtimer_set_start_info(timer);
 
@@ -1016,8 +1018,26 @@ hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(hrtimer_start_range_ns);
+
+/**
+ * hrtimer_start - (re)start an relative timer on the current CPU
+ * @timer:	the timer to be added
+ * @tim:	expiry time
+ * @mode:	expiry mode: absolute (HRTIMER_ABS) or relative (HRTIMER_REL)
+ *
+ * Returns:
+ *  0 on success
+ *  1 when the timer was active
+ */
+int
+hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode)
+{
+	return hrtimer_start_range_ns(timer, tim, 0, mode);
+}
 EXPORT_SYMBOL_GPL(hrtimer_start);
 
+
 /**
  * hrtimer_try_to_cancel - try to deactivate a timer
  * @timer:	hrtimer to stop
-- 
GitLab


From 4ce105d30e08fb8a1783c55a0e48aa3fa200c455 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 7 Sep 2008 15:31:39 -0700
Subject: [PATCH 0077/2224] hrtimer: incorporate feedback from Peter Zijlstra

(based on  lkml review)
* use rt_task()
* task_nice() has a sign

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 fs/select.c             | 5 ++---
 include/linux/hrtimer.h | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/select.c b/fs/select.c
index 5e61b43d076..fdd8584e536 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -46,7 +46,7 @@ static unsigned long __estimate_accuracy(struct timespec *tv)
 	unsigned long slack;
 	int divfactor = 1000;
 
-	if (task_nice(current))
+	if (task_nice(current) > 0)
 		divfactor = divfactor / 5;
 
 	slack = tv->tv_nsec / divfactor;
@@ -66,8 +66,7 @@ static unsigned long estimate_accuracy(struct timespec *tv)
 	 * Realtime tasks get a slack of 0 for obvious reasons.
 	 */
 
-	if (current->policy == SCHED_FIFO ||
-		current->policy == SCHED_RR)
+	if (rt_task(current))
 		return 0;
 
 	ktime_get_ts(&now);
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 1c0473e8ecb..95db11f62ff 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -363,7 +363,7 @@ static inline int hrtimer_start_expires(struct hrtimer *timer,
 	soft = hrtimer_get_softexpires(timer);
 	hard = hrtimer_get_expires(timer);
 	delta = ktime_to_ns(ktime_sub(hard, soft));
-	return hrtimer_start_range_ns(timer, hrtimer_get_expires(timer), delta, mode);
+	return hrtimer_start_range_ns(timer, soft, delta, mode);
 }
 
 static inline int hrtimer_restart(struct hrtimer *timer)
-- 
GitLab


From 704af52bd13a5d9f3c60c496c68e752fafdfb434 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 7 Sep 2008 16:10:20 -0700
Subject: [PATCH 0078/2224] hrtimer: show the timer ranges in /proc/timer_list

to help debugging and visibility of timer ranges, show them
in the existing timer list in /proc/timer_list

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 kernel/time/timer_list.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index 5224a3215fb..122ee751d2d 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -65,8 +65,10 @@ print_timer(struct seq_file *m, struct hrtimer *timer, int idx, u64 now)
 	SEQ_printf(m, ", %s/%d", tmp, timer->start_pid);
 #endif
 	SEQ_printf(m, "\n");
-	SEQ_printf(m, " # expires at %Lu nsecs [in %Ld nsecs]\n",
+	SEQ_printf(m, " # expires at %Lu-%Lu nsecs [in %Ld to %Ld nsecs]\n",
+		(unsigned long long)ktime_to_ns(hrtimer_get_softexpires(timer)),
 		(unsigned long long)ktime_to_ns(hrtimer_get_expires(timer)),
+		(long long)(ktime_to_ns(hrtimer_get_softexpires(timer)) - now),
 		(long long)(ktime_to_ns(hrtimer_get_expires(timer)) - now));
 }
 
-- 
GitLab


From 96d2ab484e7a9bafdab44b8c7d1ef5944319b18c Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 7 Sep 2008 16:08:55 -0700
Subject: [PATCH 0079/2224] hrtimer: fix signed/unsigned bug in slack estimator

the slack estimator used unsigned math; however for very short delay it's
possible that by the time you calculate the timeout, it's already passed and
you get a negative time/slack... in an unsigned variable... which then gets
turned into a 100 msec delay rather than zero.

This patch fixes this by using a signed typee in the right places.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 fs/select.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/fs/select.c b/fs/select.c
index fdd8584e536..448e4400128 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -41,9 +41,9 @@
  * better solutions..
  */
 
-static unsigned long __estimate_accuracy(struct timespec *tv)
+static long __estimate_accuracy(struct timespec *tv)
 {
-	unsigned long slack;
+	long slack;
 	int divfactor = 1000;
 
 	if (task_nice(current) > 0)
@@ -54,10 +54,13 @@ static unsigned long __estimate_accuracy(struct timespec *tv)
 
 	if (slack > 100 * NSEC_PER_MSEC)
 		slack =  100 * NSEC_PER_MSEC;
+
+	if (slack < 0)
+		slack = 0;
 	return slack;
 }
 
-static unsigned long estimate_accuracy(struct timespec *tv)
+static long estimate_accuracy(struct timespec *tv)
 {
 	unsigned long ret;
 	struct timespec now;
@@ -330,7 +333,7 @@ int do_select(int n, fd_set_bits *fds, struct timespec *end_time)
 		timed_out = 1;
 	}
 
-	if (end_time)
+	if (end_time && !timed_out)
 		slack = estimate_accuracy(end_time);
 
 	retval = 0;
@@ -656,7 +659,7 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
 		timed_out = 1;
 	}
 
-	if (end_time)
+	if (end_time && !timed_out)
 		slack = estimate_accuracy(end_time);
 
 	for (;;) {
-- 
GitLab


From 742fd1bcfb475c702c9b1dd6afc79c08f8dbf7dd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 7 Aug 2008 17:36:12 +0900
Subject: [PATCH 0080/2224] sh: Provide movli.l/movco.l-based bitops.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/bitops-llsc.h | 144 ++++++++++++++++++++++++++++++
 arch/sh/include/asm/bitops.h      |   2 +
 2 files changed, 146 insertions(+)
 create mode 100644 arch/sh/include/asm/bitops-llsc.h

diff --git a/arch/sh/include/asm/bitops-llsc.h b/arch/sh/include/asm/bitops-llsc.h
new file mode 100644
index 00000000000..43b8e1a8239
--- /dev/null
+++ b/arch/sh/include/asm/bitops-llsc.h
@@ -0,0 +1,144 @@
+#ifndef __ASM_SH_BITOPS_LLSC_H
+#define __ASM_SH_BITOPS_LLSC_H
+
+static inline void set_bit(int nr, volatile void * addr)
+{
+	int	mask;
+	volatile unsigned int *a = addr;
+	unsigned long tmp;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! set_bit		\n\t"
+		"or		%3, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		: "=&z" (tmp), "=r" (a)
+		: "1" (a), "r" (mask)
+		: "t", "memory"
+	);
+}
+
+static inline void clear_bit(int nr, volatile void * addr)
+{
+	int	mask;
+	volatile unsigned int *a = addr;
+	unsigned long tmp;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! clear_bit		\n\t"
+		"and		%3, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		: "=&z" (tmp), "=r" (a)
+		: "1" (a), "r" (~mask)
+		: "t", "memory"
+	);
+}
+
+static inline void change_bit(int nr, volatile void * addr)
+{
+	int	mask;
+	volatile unsigned int *a = addr;
+	unsigned long tmp;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! change_bit		\n\t"
+		"xor		%3, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		: "=&z" (tmp), "=r" (a)
+		: "1" (a), "r" (mask)
+		: "t", "memory"
+	);
+}
+
+static inline int test_and_set_bit(int nr, volatile void * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = addr;
+	unsigned long tmp;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! test_and_set_bit	\n\t"
+		"mov		%0, %2				\n\t"
+		"or		%4, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		"and		%4, %2				\n\t"
+		: "=&z" (tmp), "=r" (a), "=&r" (retval)
+		: "1" (a), "r" (mask)
+		: "t", "memory"
+	);
+
+	return retval != 0;
+}
+
+static inline int test_and_clear_bit(int nr, volatile void * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = addr;
+	unsigned long tmp;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! test_and_clear_bit	\n\t"
+		"mov		%0, %2				\n\t"
+		"and		%5, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		"and		%4, %2				\n\t"
+		"synco						\n\t"
+		: "=&z" (tmp), "=r" (a), "=&r" (retval)
+		: "1" (a), "r" (mask), "r" (~mask)
+		: "t", "memory"
+	);
+
+	return retval != 0;
+}
+
+static inline int test_and_change_bit(int nr, volatile void * addr)
+{
+	int	mask, retval;
+	volatile unsigned int *a = addr;
+	unsigned long tmp;
+
+	a += nr >> 5;
+	mask = 1 << (nr & 0x1f);
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! test_and_change_bit	\n\t"
+		"mov		%0, %2				\n\t"
+		"xor		%4, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		"and		%4, %2				\n\t"
+		"synco						\n\t"
+		: "=&z" (tmp), "=r" (a), "=&r" (retval)
+		: "1" (a), "r" (mask)
+		: "t", "memory"
+	);
+
+	return retval != 0;
+}
+
+#endif /* __ASM_SH_BITOPS_LLSC_H */
diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h
index d7d382f63ee..367930d8e5a 100644
--- a/arch/sh/include/asm/bitops.h
+++ b/arch/sh/include/asm/bitops.h
@@ -13,6 +13,8 @@
 
 #ifdef CONFIG_GUSA_RB
 #include <asm/bitops-grb.h>
+#elif defined(CONFIG_CPU_SH4A)
+#include <asm/bitops-llsc.h>
 #else
 #include <asm/bitops-irq.h>
 #endif
-- 
GitLab


From ee43a8442bd7a5d611f11958e6f8c8953d26f907 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 7 Aug 2008 18:01:43 +0900
Subject: [PATCH 0081/2224] sh: Provide movli.l/movco.l-based cmpxchg.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/cmpxchg-llsc.h | 71 ++++++++++++++++++++++++++++++
 arch/sh/include/asm/system.h       |  2 +
 2 files changed, 73 insertions(+)
 create mode 100644 arch/sh/include/asm/cmpxchg-llsc.h

diff --git a/arch/sh/include/asm/cmpxchg-llsc.h b/arch/sh/include/asm/cmpxchg-llsc.h
new file mode 100644
index 00000000000..aee3bf28658
--- /dev/null
+++ b/arch/sh/include/asm/cmpxchg-llsc.h
@@ -0,0 +1,71 @@
+#ifndef __ASM_SH_CMPXCHG_LLSC_H
+#define __ASM_SH_CMPXCHG_LLSC_H
+
+static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
+{
+	unsigned long retval;
+	unsigned long tmp;
+
+	__asm__ __volatile__ (
+		"1:					\n\t"
+		"movli.l	@%1, %0	! xchg_u32	\n\t"
+		"mov		%0, %2			\n\t"
+		"mov		%4, %0			\n\t"
+		"movco.l	%0, @%1			\n\t"
+		"bf		1b			\n\t"
+		"synco					\n\t"
+		: "=&z"(tmp), "=r" (m), "=&r" (retval)
+		: "1" (m), "r" (val)
+		: "t", "memory"
+	);
+
+	return retval;
+}
+
+static inline unsigned long xchg_u8(volatile u8 *m, unsigned long val)
+{
+	unsigned long retval;
+	unsigned long tmp;
+
+	__asm__ __volatile__ (
+		"1:					\n\t"
+		"movli.l	@%1, %0	! xchg_u8	\n\t"
+		"mov		%0, %2			\n\t"
+		"mov		%4, %0			\n\t"
+		"movco.l	%0, @%1			\n\t"
+		"bf		1b			\n\t"
+		"synco					\n\t"
+		: "=&z"(tmp), "=r" (m), "=&r" (retval)
+		: "1" (m), "r" (val & 0xff)
+		: "t", "memory"
+	);
+
+	return retval;
+}
+
+static inline unsigned long
+__cmpxchg_u32(volatile int *m, unsigned long old, unsigned long new)
+{
+	unsigned long retval;
+	unsigned long tmp;
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! __cmpxchg_u32		\n\t"
+		"mov		%0, %2				\n\t"
+		"cmp/eq		%2, %4				\n\t"
+		"bf		2f				\n\t"
+		"mov		%5, %0				\n\t"
+		"2:						\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		"synco						\n\t"
+		: "=&z" (tmp), "=r" (m), "=&r" (retval)
+		: "1" (m), "r" (old), "r" (new)
+		: "t", "memory"
+	);
+
+	return retval;
+}
+
+#endif /* __ASM_SH_CMPXCHG_LLSC_H */
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index 056d68cd210..fbac113bbfb 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -70,6 +70,8 @@
 
 #ifdef CONFIG_GUSA_RB
 #include <asm/cmpxchg-grb.h>
+#elif defined(CONFIG_CPU_SH4A)
+#include <asm/cmpxchg-llsc.h>
 #else
 #include <asm/cmpxchg-irq.h>
 #endif
-- 
GitLab


From 04ec080dcaad7d3c6d0b40b599c8e63da618f784 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 6 Aug 2008 17:29:14 +0900
Subject: [PATCH 0082/2224] sh: Kill off unused defines from asm/smp.h.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/smp.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index 593343cd26e..e2b79e6864e 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -21,11 +21,6 @@ extern int __cpu_number_map[NR_CPUS];
 extern int __cpu_logical_map[NR_CPUS];
 #define cpu_logical_map(cpu)  __cpu_logical_map[cpu]
 
-/* I've no idea what the real meaning of this is */
-#define PROC_CHANGE_PENALTY	20
-
-#define NO_PROC_ID	(-1)
-
 #define SMP_MSG_FUNCTION	0
 #define SMP_MSG_RESCHEDULE	1
 #define SMP_MSG_FUNCTION_SINGLE	2
-- 
GitLab


From 173a44dd1f406e9aa6fcf46c83b7c972d10ec930 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 6 Aug 2008 18:02:48 +0900
Subject: [PATCH 0083/2224] sh: smp: Provide a generic IPI handler.

This provides a generic smp_message_recv() routine (based on the PPC
one), that IPI IRQs can wrap in to.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/smp.h |  1 +
 arch/sh/kernel/smp.c      | 20 +++++++++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index e2b79e6864e..1292c6d3c53 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -26,6 +26,7 @@ extern int __cpu_logical_map[NR_CPUS];
 #define SMP_MSG_FUNCTION_SINGLE	2
 #define SMP_MSG_NR		3
 
+void smp_message_recv(unsigned int msg);
 void plat_smp_setup(void);
 void plat_prepare_cpus(unsigned int max_cpus);
 int plat_smp_processor_id(void);
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 60c50841143..ebfdd364544 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -3,7 +3,7 @@
  *
  * SMP support for the SuperH processors.
  *
- * Copyright (C) 2002 - 2007 Paul Mundt
+ * Copyright (C) 2002 - 2008 Paul Mundt
  * Copyright (C) 2006 - 2007 Akio Idehara
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -184,6 +184,24 @@ void arch_send_call_function_single_ipi(int cpu)
 	plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
 }
 
+void smp_message_recv(unsigned int msg)
+{
+	switch (msg) {
+	case SMP_MSG_FUNCTION:
+		generic_smp_call_function_interrupt();
+		break;
+	case SMP_MSG_RESCHEDULE:
+		break;
+	case SMP_MSG_FUNCTION_SINGLE:
+		generic_smp_call_function_single_interrupt();
+		break;
+	default:
+		printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
+		       smp_processor_id(), __func__, msg);
+		break;
+	}
+}
+
 /* Not really SMP stuff ... */
 int setup_profiling_timer(unsigned int multiplier)
 {
-- 
GitLab


From c7936b9abcf5e043e73f183a37e81787f6178dd0 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 6 Aug 2008 18:05:09 +0900
Subject: [PATCH 0084/2224] sh: smp: Hook in to the generic IPI handler for
 SH-X3 SMP.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/smp.h          |  2 -
 arch/sh/kernel/cpu/sh4a/smp-shx3.c | 65 +++++++++++-------------------
 2 files changed, 24 insertions(+), 43 deletions(-)

diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index 1292c6d3c53..5ebe0d09559 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -32,8 +32,6 @@ void plat_prepare_cpus(unsigned int max_cpus);
 int plat_smp_processor_id(void);
 void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
 void plat_send_ipi(unsigned int cpu, unsigned int message);
-int plat_register_ipi_handler(unsigned int message,
-			      void (*handler)(void *), void *arg);
 extern void arch_send_call_function_single_ipi(int cpu);
 extern void arch_send_call_function_ipi(cpumask_t mask);
 
diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
index e5e06845fa4..edb4da037e0 100644
--- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
@@ -1,7 +1,7 @@
 /*
  * SH-X3 SMP
  *
- *  Copyright (C) 2007  Paul Mundt
+ *  Copyright (C) 2007 - 2008  Paul Mundt
  *  Copyright (C) 2007  Magnus Damm
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -14,6 +14,22 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 
+static irqreturn_t ipi_interrupt_handler(int irq, void *arg)
+{
+	unsigned int message = (unsigned int)(long)arg;
+	unsigned int cpu = hard_smp_processor_id();
+	unsigned int offs = 4 * cpu;
+	unsigned int x;
+
+	x = ctrl_inl(0xfe410070 + offs); /* C0INITICI..CnINTICI */
+	x &= (1 << (message << 2));
+	ctrl_outl(x, 0xfe410080 + offs); /* C0INTICICLR..CnINTICICLR */
+
+	smp_message_recv(message);
+
+	return IRQ_HANDLED;
+}
+
 void __init plat_smp_setup(void)
 {
 	unsigned int cpu = 0;
@@ -40,6 +56,13 @@ void __init plat_smp_setup(void)
 
 void __init plat_prepare_cpus(unsigned int max_cpus)
 {
+	int i;
+
+	BUILD_BUG_ON(SMP_MSG_NR >= 8);
+
+	for (i = 0; i < SMP_MSG_NR; i++)
+		request_irq(104 + i, ipi_interrupt_handler, IRQF_DISABLED,
+			    "IPI", (void *)(long)i);
 }
 
 #define STBCR_REG(phys_id) (0xfe400004 | (phys_id << 12))
@@ -75,46 +98,6 @@ void plat_send_ipi(unsigned int cpu, unsigned int message)
 	unsigned long addr = 0xfe410070 + (cpu * 4);
 
 	BUG_ON(cpu >= 4);
-	BUG_ON(message >= SMP_MSG_NR);
 
 	ctrl_outl(1 << (message << 2), addr); /* C0INTICI..CnINTICI */
 }
-
-struct ipi_data {
-	void (*handler)(void *);
-	void *arg;
-	unsigned int message;
-};
-
-static irqreturn_t ipi_interrupt_handler(int irq, void *arg)
-{
-	struct ipi_data *id = arg;
-	unsigned int cpu = hard_smp_processor_id();
-	unsigned int offs = 4 * cpu;
-	unsigned int x;
-
-	x = ctrl_inl(0xfe410070 + offs); /* C0INITICI..CnINTICI */
-	x &= (1 << (id->message << 2));
-	ctrl_outl(x, 0xfe410080 + offs); /* C0INTICICLR..CnINTICICLR */
-
-	id->handler(id->arg);
-
-	return IRQ_HANDLED;
-}
-
-static struct ipi_data ipi_handlers[SMP_MSG_NR];
-
-int plat_register_ipi_handler(unsigned int message,
-			      void (*handler)(void *), void *arg)
-{
-	struct ipi_data *id = &ipi_handlers[message];
-
-	BUG_ON(SMP_MSG_NR >= 8);
-	BUG_ON(message >= SMP_MSG_NR);
-
-	id->handler = handler;
-	id->arg = arg;
-	id->message = message;
-
-	return request_irq(104 + message, ipi_interrupt_handler, 0, "IPI", id);
-}
-- 
GitLab


From 6f52707e6882eb3bc6920c3f59beb05d23d68354 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 6 Aug 2008 18:21:03 +0900
Subject: [PATCH 0085/2224] sh: smp: Hook up a timer IPI stub.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/smp.h | 19 +++++++++++++------
 arch/sh/kernel/smp.c      | 18 ++++++++++++++++++
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index 5ebe0d09559..9d22cda67c2 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -21,19 +21,26 @@ extern int __cpu_number_map[NR_CPUS];
 extern int __cpu_logical_map[NR_CPUS];
 #define cpu_logical_map(cpu)  __cpu_logical_map[cpu]
 
-#define SMP_MSG_FUNCTION	0
-#define SMP_MSG_RESCHEDULE	1
-#define SMP_MSG_FUNCTION_SINGLE	2
-#define SMP_MSG_NR		3
+enum {
+	SMP_MSG_FUNCTION,
+	SMP_MSG_RESCHEDULE,
+	SMP_MSG_FUNCTION_SINGLE,
+	SMP_MSG_TIMER,
+
+	SMP_MSG_NR,	/* must be last */
+};
 
 void smp_message_recv(unsigned int msg);
+void smp_timer_broadcast(cpumask_t mask);
+
 void plat_smp_setup(void);
 void plat_prepare_cpus(unsigned int max_cpus);
 int plat_smp_processor_id(void);
 void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
 void plat_send_ipi(unsigned int cpu, unsigned int message);
-extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+
+void arch_send_call_function_single_ipi(int cpu);
+void arch_send_call_function_ipi(cpumask_t mask);
 
 #else
 
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index ebfdd364544..9cb3734dbd4 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -184,6 +184,21 @@ void arch_send_call_function_single_ipi(int cpu)
 	plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
 }
 
+void smp_timer_broadcast(cpumask_t mask)
+{
+	int cpu;
+
+	for_each_cpu_mask(cpu, mask)
+		plat_send_ipi(cpu, SMP_MSG_TIMER);
+}
+
+static void ipi_timer(void)
+{
+	irq_enter();
+	/* XXX ... */
+	irq_exit();
+}
+
 void smp_message_recv(unsigned int msg)
 {
 	switch (msg) {
@@ -195,6 +210,9 @@ void smp_message_recv(unsigned int msg)
 	case SMP_MSG_FUNCTION_SINGLE:
 		generic_smp_call_function_single_interrupt();
 		break;
+	case SMP_MSG_TIMER:
+		ipi_timer();
+		break;
 	default:
 		printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
 		       smp_processor_id(), __func__, msg);
-- 
GitLab


From 8c24594deab89a484879bee270e948f0a556ed75 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 6 Aug 2008 18:37:07 +0900
Subject: [PATCH 0086/2224] sh: generic clockevent broadcast support.

This hooks up GENERIC_CLOCKEVENTS_BROADCAST and a dummy local timer,
which we call in to from the timer IPI when no other local timer is
provided.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig                         |  4 ++
 arch/sh/include/asm/smp.h               |  3 ++
 arch/sh/kernel/smp.c                    |  7 ++-
 arch/sh/kernel/time_32.c                |  9 +++-
 arch/sh/kernel/timers/Makefile          |  1 +
 arch/sh/kernel/timers/timer-broadcast.c | 57 +++++++++++++++++++++++++
 6 files changed, 77 insertions(+), 4 deletions(-)
 create mode 100644 arch/sh/kernel/timers/timer-broadcast.c

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 5131d50f851..399664c1f38 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -66,6 +66,9 @@ config GENERIC_TIME
 config GENERIC_CLOCKEVENTS
 	def_bool n
 
+config GENERIC_CLOCKEVENTS_BROADCAST
+	bool
+
 config GENERIC_LOCKBREAK
 	def_bool y
 	depends on SMP && PREEMPT
@@ -323,6 +326,7 @@ config CPU_SUBTYPE_SHX3
 	select ARCH_SPARSEMEM_ENABLE
 	select SYS_SUPPORTS_NUMA
 	select SYS_SUPPORTS_SMP
+	select GENERIC_CLOCKEVENTS_BROADCAST
 
 # SH4AL-DSP Processor Support
 
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h
index 9d22cda67c2..85b660c17eb 100644
--- a/arch/sh/include/asm/smp.h
+++ b/arch/sh/include/asm/smp.h
@@ -33,6 +33,9 @@ enum {
 void smp_message_recv(unsigned int msg);
 void smp_timer_broadcast(cpumask_t mask);
 
+void local_timer_interrupt(void);
+void local_timer_setup(unsigned int cpu);
+
 void plat_smp_setup(void);
 void plat_prepare_cpus(unsigned int max_cpus);
 int plat_smp_processor_id(void);
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 9cb3734dbd4..c55d314166c 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -84,9 +84,12 @@ asmlinkage void __cpuinit start_secondary(void)
 
 	local_irq_enable();
 
+	cpu = smp_processor_id();
+
+	/* Enable local timers */
+	local_timer_setup(cpu);
 	calibrate_delay();
 
-	cpu = smp_processor_id();
 	smp_store_cpu_info(cpu);
 
 	cpu_set(cpu, cpu_online_map);
@@ -195,7 +198,7 @@ void smp_timer_broadcast(cpumask_t mask)
 static void ipi_timer(void)
 {
 	irq_enter();
-	/* XXX ... */
+	local_timer_interrupt();
 	irq_exit();
 }
 
diff --git a/arch/sh/kernel/time_32.c b/arch/sh/kernel/time_32.c
index 0758b5ee818..decee0a453a 100644
--- a/arch/sh/kernel/time_32.c
+++ b/arch/sh/kernel/time_32.c
@@ -1,9 +1,9 @@
 /*
- *  arch/sh/kernel/time.c
+ *  arch/sh/kernel/time_32.c
  *
  *  Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka
  *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>
- *  Copyright (C) 2002 - 2007  Paul Mundt
+ *  Copyright (C) 2002 - 2008  Paul Mundt
  *  Copyright (C) 2002  M. R. Brown  <mrbrown@linux-sh.org>
  *
  *  Some code taken from i386 version.
@@ -16,6 +16,7 @@
 #include <linux/timex.h>
 #include <linux/sched.h>
 #include <linux/clockchips.h>
+#include <linux/smp.h>
 #include <asm/clock.h>
 #include <asm/rtc.h>
 #include <asm/timer.h>
@@ -260,6 +261,10 @@ void __init time_init(void)
 	sys_timer = get_sys_timer();
 	printk(KERN_INFO "Using %s for system timer\n", sys_timer->name);
 
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+	local_timer_setup(smp_processor_id());
+#endif
+
 	if (sys_timer->ops->read)
 		clocksource_sh.read = sys_timer->ops->read;
 
diff --git a/arch/sh/kernel/timers/Makefile b/arch/sh/kernel/timers/Makefile
index bcf244ff6a1..0b7f8577193 100644
--- a/arch/sh/kernel/timers/Makefile
+++ b/arch/sh/kernel/timers/Makefile
@@ -8,3 +8,4 @@ obj-$(CONFIG_SH_TMU)		+= timer-tmu.o
 obj-$(CONFIG_SH_MTU2)		+= timer-mtu2.o
 obj-$(CONFIG_SH_CMT)		+= timer-cmt.o
 
+obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)	+= timer-broadcast.o
diff --git a/arch/sh/kernel/timers/timer-broadcast.c b/arch/sh/kernel/timers/timer-broadcast.c
new file mode 100644
index 00000000000..c2317635230
--- /dev/null
+++ b/arch/sh/kernel/timers/timer-broadcast.c
@@ -0,0 +1,57 @@
+/*
+ * Dummy local timer
+ *
+ * Copyright (C) 2008  Paul Mundt
+ *
+ * cloned from:
+ *
+ *  linux/arch/arm/mach-realview/localtimer.c
+ *
+ *  Copyright (C) 2002 ARM Ltd.
+ *  All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/smp.h>
+#include <linux/jiffies.h>
+#include <linux/percpu.h>
+#include <linux/clockchips.h>
+#include <linux/irq.h>
+
+static DEFINE_PER_CPU(struct clock_event_device, local_clockevent);
+
+/*
+ * Used on SMP for either the local timer or SMP_MSG_TIMER
+ */
+void local_timer_interrupt(void)
+{
+	struct clock_event_device *clk = &__get_cpu_var(local_clockevent);
+
+	clk->event_handler(clk);
+}
+
+static void dummy_timer_set_mode(enum clock_event_mode mode,
+				 struct clock_event_device *clk)
+{
+}
+
+void __cpuinit local_timer_setup(unsigned int cpu)
+{
+	struct clock_event_device *clk = &per_cpu(local_clockevent, cpu);
+
+	clk->name		= "dummy_timer";
+	clk->features		= CLOCK_EVT_FEAT_DUMMY;
+	clk->rating		= 200;
+	clk->mult		= 1;
+	clk->set_mode		= dummy_timer_set_mode;
+	clk->broadcast		= smp_timer_broadcast;
+	clk->cpumask		= cpumask_of_cpu(cpu);
+
+	clockevents_register_device(clk);
+}
-- 
GitLab


From 71f0bdcab69ab36b1e939d36063aaf6c4a164ed3 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 6 Aug 2008 18:39:32 +0900
Subject: [PATCH 0087/2224] sh: smp: shove a cpu_relax() in the
 plat_start_cpu() busy loop.

Without this, certain versions of GCC will happily optimize the entire
loop out.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4a/smp-shx3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
index edb4da037e0..b8869aa20de 100644
--- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
@@ -82,7 +82,7 @@ void plat_start_cpu(unsigned int cpu, unsigned long entry_point)
 		ctrl_outl(STBCR_MSTP, STBCR_REG(cpu));
 
 	while (!(ctrl_inl(STBCR_REG(cpu)) & STBCR_MSTP))
-		;
+		cpu_relax();
 
 	/* Start up secondary processor by sending a reset */
 	ctrl_outl(STBCR_AP_VAL, STBCR_REG(cpu));
-- 
GitLab


From 53c01d2dc38cd3cfaf5591ec5c6c9c4e437cfec2 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 8 Aug 2008 01:18:48 +0900
Subject: [PATCH 0088/2224] sh: Early dummy clockevent registration on boot
 CPU.

The dummy timer needs to be registered on the boot CPU before the
system timer clockevent is registered, or broadcasting doesn't work
as advertized.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/time_32.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/sh/kernel/time_32.c b/arch/sh/kernel/time_32.c
index decee0a453a..e2f74cc71d8 100644
--- a/arch/sh/kernel/time_32.c
+++ b/arch/sh/kernel/time_32.c
@@ -254,6 +254,10 @@ void __init time_init(void)
 	set_normalized_timespec(&wall_to_monotonic,
 				-xtime.tv_sec, -xtime.tv_nsec);
 
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+	local_timer_setup(smp_processor_id());
+#endif
+
 	/*
 	 * Find the timer to use as the system timer, it will be
 	 * initialized for us.
@@ -261,9 +265,6 @@ void __init time_init(void)
 	sys_timer = get_sys_timer();
 	printk(KERN_INFO "Using %s for system timer\n", sys_timer->name);
 
-#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
-	local_timer_setup(smp_processor_id());
-#endif
 
 	if (sys_timer->ops->read)
 		clocksource_sh.read = sys_timer->ops->read;
-- 
GitLab


From 7d96169cb769f459dd6730b06fa3a88cb0c9297d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 8 Aug 2008 01:23:34 +0900
Subject: [PATCH 0089/2224] sh: Display CPU information in show_regs().

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/process_32.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 3326a45749d..7326313bcfd 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -111,15 +111,21 @@ void show_regs(struct pt_regs * regs)
 {
 	printk("\n");
 	printk("Pid : %d, Comm: %20s\n", task_pid_nr(current), current->comm);
+	printk("CPU : %d    %s  (%s %.*s)\n",
+	       smp_processor_id(), print_tainted(), init_utsname()->release,
+	       (int)strcspn(init_utsname()->version, " "),
+	       init_utsname()->version);
+
 	print_symbol("PC is at %s\n", instruction_pointer(regs));
+	print_symbol("PR is at %s\n", regs->pr);
+
 	printk("PC  : %08lx SP  : %08lx SR  : %08lx ",
 	       regs->pc, regs->regs[15], regs->sr);
 #ifdef CONFIG_MMU
-	printk("TEA : %08x    ", ctrl_inl(MMU_TEA));
+	printk("TEA : %08x\n", ctrl_inl(MMU_TEA));
 #else
-	printk("                  ");
+	printk("\n");
 #endif
-	printk("%s\n", print_tainted());
 
 	printk("R0  : %08lx R1  : %08lx R2  : %08lx R3  : %08lx\n",
 	       regs->regs[0],regs->regs[1],
-- 
GitLab


From fa43972fab24a3c050e880a7831f9378c6cebc0b Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 4 Sep 2008 18:53:58 +0900
Subject: [PATCH 0090/2224] sh: fixup many sparse errors.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boot/compressed/misc_32.c  |  2 +-
 arch/sh/include/asm/clock.h        |  1 +
 arch/sh/include/asm/io.h           |  4 +-
 arch/sh/include/asm/irq.h          |  3 ++
 arch/sh/include/asm/processor.h    |  4 ++
 arch/sh/include/asm/processor_32.h |  3 ++
 arch/sh/include/asm/processor_64.h |  2 -
 arch/sh/include/asm/rtc.h          |  1 +
 arch/sh/include/asm/setup.h        |  2 +
 arch/sh/include/asm/syscalls.h     | 25 +++++++++++
 arch/sh/include/asm/syscalls_32.h  | 56 ++++++++++++++++++++++++
 arch/sh/include/asm/syscalls_64.h  | 34 +++++++++++++++
 arch/sh/include/asm/system.h       |  6 ++-
 arch/sh/include/asm/system_32.h    | 16 +++++++
 arch/sh/kernel/cpu/clock.c         |  5 ++-
 arch/sh/kernel/io_generic.c        |  6 +--
 arch/sh/kernel/machvec.c           |  1 +
 arch/sh/kernel/process_32.c        |  1 +
 arch/sh/kernel/process_64.c        |  1 +
 arch/sh/kernel/ptrace_32.c         |  6 ++-
 arch/sh/kernel/ptrace_64.c         |  1 +
 arch/sh/kernel/setup.c             |  1 +
 arch/sh/kernel/signal_32.c         | 10 ++---
 arch/sh/kernel/sys_sh.c            |  7 +--
 arch/sh/kernel/sys_sh32.c          |  5 ++-
 arch/sh/kernel/time_32.c           |  1 +
 arch/sh/kernel/timers/timer-cmt.c  |  2 +-
 arch/sh/kernel/traps_32.c          | 68 +++++++++++++++---------------
 arch/sh/lib/div64-generic.c        |  1 +
 arch/sh/mm/consistent.c            |  2 +-
 arch/sh/mm/pg-nommu.c              |  1 +
 arch/sh/mm/tlb-nommu.c             |  1 +
 drivers/serial/sh-sci.c            |  2 +-
 33 files changed, 220 insertions(+), 61 deletions(-)
 create mode 100644 arch/sh/include/asm/syscalls.h
 create mode 100644 arch/sh/include/asm/syscalls_32.h
 create mode 100644 arch/sh/include/asm/syscalls_64.h

diff --git a/arch/sh/boot/compressed/misc_32.c b/arch/sh/boot/compressed/misc_32.c
index f386997e4d9..efdba6b2957 100644
--- a/arch/sh/boot/compressed/misc_32.c
+++ b/arch/sh/boot/compressed/misc_32.c
@@ -191,7 +191,7 @@ long* stack_start = &user_stack[STACK_SIZE];
 
 void decompress_kernel(void)
 {
-	output_data = 0;
+	output_data = NULL;
 	output_ptr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
 #ifdef CONFIG_29BIT
 	output_ptr |= P2SEG;
diff --git a/arch/sh/include/asm/clock.h b/arch/sh/include/asm/clock.h
index 720dfab7b15..f9c88583d90 100644
--- a/arch/sh/include/asm/clock.h
+++ b/arch/sh/include/asm/clock.h
@@ -39,6 +39,7 @@ struct clk {
 
 /* Should be defined by processor-specific code */
 void arch_init_clk_ops(struct clk_ops **, int type);
+int __init arch_clk_init(void);
 
 /* arch/sh/kernel/cpu/clock.c */
 int clk_init(void);
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index a4fbf0c84fb..e49cfee95fb 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -194,6 +194,8 @@ __BUILD_MEMORY_STRING(w, u16)
 
 #define IO_SPACE_LIMIT 0xffffffff
 
+extern unsigned long generic_io_base;
+
 /*
  * This function provides a method for the generic case where a board-specific
  * ioport_map simply needs to return the port + some arbitrary port base.
@@ -203,8 +205,6 @@ __BUILD_MEMORY_STRING(w, u16)
  */
 static inline void __set_io_port_base(unsigned long pbase)
 {
-	extern unsigned long generic_io_base;
-
 	generic_io_base = pbase;
 }
 
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 6195a531c1b..d319baaf4fb 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -41,6 +41,9 @@ static inline int generic_irq_demux(int irq)
 #define irq_canonicalize(irq)	(irq)
 #define irq_demux(irq)		sh_mv.mv_irq_demux(irq)
 
+void init_IRQ(void);
+asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
+
 #ifdef CONFIG_IRQSTACKS
 extern void irq_ctx_init(int cpu);
 extern void irq_ctx_exit(int cpu);
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 15d9f92ca38..58e2be55ab9 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -45,9 +45,13 @@ enum cpu_type {
 
 /* Forward decl */
 struct sh_cpuinfo;
+struct seq_operations;
+
+extern struct pt_regs fake_swapper_regs;
 
 /* arch/sh/kernel/setup.c */
 const char *get_cpu_subtype(struct sh_cpuinfo *c);
+extern const struct seq_operations cpuinfo_op;
 
 #ifdef CONFIG_VSYSCALL
 int vsyscall_init(void);
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 0dadd75bd93..41d23210583 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -10,6 +10,7 @@
 #ifdef __KERNEL__
 
 #include <linux/compiler.h>
+#include <linux/linkage.h>
 #include <asm/page.h>
 #include <asm/types.h>
 #include <asm/cache.h>
@@ -44,6 +45,8 @@ extern struct sh_cpuinfo cpu_data[];
 #define current_cpu_data cpu_data[smp_processor_id()]
 #define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
 
+asmlinkage void __init sh_cpu_init(void);
+
 /*
  * User space process size: 2GB.
  *
diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h
index 770d5169983..16609bc1162 100644
--- a/arch/sh/include/asm/processor_64.h
+++ b/arch/sh/include/asm/processor_64.h
@@ -169,8 +169,6 @@ struct thread_struct {
 #define INIT_MMAP \
 { &init_mm, 0, 0, NULL, PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, 1, NULL, NULL }
 
-extern  struct pt_regs fake_swapper_regs;
-
 #define INIT_THREAD  {				\
 	.sp		= sizeof(init_stack) +	\
 			  (long) &init_stack,	\
diff --git a/arch/sh/include/asm/rtc.h b/arch/sh/include/asm/rtc.h
index 1813f4202a2..f7b010d48af 100644
--- a/arch/sh/include/asm/rtc.h
+++ b/arch/sh/include/asm/rtc.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_RTC_H
 #define _ASM_RTC_H
 
+void time_init(void);
 extern void (*board_time_init)(void);
 extern void (*rtc_sh_get_time)(struct timespec *);
 extern int (*rtc_sh_set_time)(const time_t);
diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h
index 55a2bd328d9..554f865075c 100644
--- a/arch/sh/include/asm/setup.h
+++ b/arch/sh/include/asm/setup.h
@@ -1,6 +1,8 @@
 #ifndef _SH_SETUP_H
 #define _SH_SETUP_H
 
+#include <asm/mmzone.h>
+
 #define COMMAND_LINE_SIZE 256
 
 #ifdef __KERNEL__
diff --git a/arch/sh/include/asm/syscalls.h b/arch/sh/include/asm/syscalls.h
new file mode 100644
index 00000000000..c1e2b8deb83
--- /dev/null
+++ b/arch/sh/include/asm/syscalls.h
@@ -0,0 +1,25 @@
+#ifndef __ASM_SH_SYSCALLS_H
+#define __ASM_SH_SYSCALLS_H
+
+#ifdef __KERNEL__
+
+struct old_utsname;
+
+asmlinkage int old_mmap(unsigned long addr, unsigned long len,
+			unsigned long prot, unsigned long flags,
+			int fd, unsigned long off);
+asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
+			  unsigned long prot, unsigned long flags,
+			  unsigned long fd, unsigned long pgoff);
+asmlinkage int sys_ipc(uint call, int first, int second,
+		       int third, void __user *ptr, long fifth);
+asmlinkage int sys_uname(struct old_utsname __user *name);
+
+#ifdef CONFIG_SUPERH32
+# include "syscalls_32.h"
+#else
+# include "syscalls_64.h"
+#endif
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_SYSCALLS_H */
diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
new file mode 100644
index 00000000000..104c5e68610
--- /dev/null
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -0,0 +1,56 @@
+#ifndef __ASM_SH_SYSCALLS_32_H
+#define __ASM_SH_SYSCALLS_32_H
+
+#ifdef __KERNEL__
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/types.h>
+
+struct pt_regs;
+
+asmlinkage int sys_fork(unsigned long r4, unsigned long r5,
+			unsigned long r6, unsigned long r7,
+			struct pt_regs __regs);
+asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
+			 unsigned long parent_tidptr,
+			 unsigned long child_tidptr,
+			 struct pt_regs __regs);
+asmlinkage int sys_vfork(unsigned long r4, unsigned long r5,
+			 unsigned long r6, unsigned long r7,
+			 struct pt_regs __regs);
+asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv,
+			  char __user * __user *uenvp, unsigned long r7,
+			  struct pt_regs __regs);
+asmlinkage int sys_sigsuspend(old_sigset_t mask, unsigned long r5,
+			      unsigned long r6, unsigned long r7,
+			      struct pt_regs __regs);
+asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act,
+			     struct old_sigaction __user *oact);
+asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
+			       unsigned long r6, unsigned long r7,
+			       struct pt_regs __regs);
+asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
+			     unsigned long r6, unsigned long r7,
+			     struct pt_regs __regs);
+asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs __regs);
+asmlinkage int sys_pipe(unsigned long r4, unsigned long r5,
+			unsigned long r6, unsigned long r7,
+			struct pt_regs __regs);
+asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf,
+				     size_t count, long dummy, loff_t pos);
+asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf,
+				      size_t count, long dummy, loff_t pos);
+asmlinkage int sys_fadvise64_64_wrapper(int fd, u32 offset0, u32 offset1,
+					u32 len0, u32 len1, int advice);
+
+/* Misc syscall related bits */
+asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
+asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
+asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0,
+				 unsigned long thread_info_flags);
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_SYSCALLS_32_H */
diff --git a/arch/sh/include/asm/syscalls_64.h b/arch/sh/include/asm/syscalls_64.h
new file mode 100644
index 00000000000..751fd881136
--- /dev/null
+++ b/arch/sh/include/asm/syscalls_64.h
@@ -0,0 +1,34 @@
+#ifndef __ASM_SH_SYSCALLS_64_H
+#define __ASM_SH_SYSCALLS_64_H
+
+#ifdef __KERNEL__
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/types.h>
+
+struct pt_regs;
+
+asmlinkage int sys_fork(unsigned long r2, unsigned long r3,
+			unsigned long r4, unsigned long r5,
+			unsigned long r6, unsigned long r7,
+			struct pt_regs *pregs);
+asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
+			 unsigned long r4, unsigned long r5,
+			 unsigned long r6, unsigned long r7,
+			 struct pt_regs *pregs);
+asmlinkage int sys_vfork(unsigned long r2, unsigned long r3,
+			 unsigned long r4, unsigned long r5,
+			 unsigned long r6, unsigned long r7,
+			 struct pt_regs *pregs);
+asmlinkage int sys_execve(char *ufilename, char **uargv,
+			  char **uenvp, unsigned long r5,
+			  unsigned long r6, unsigned long r7,
+			  struct pt_regs *pregs);
+
+/* Misc syscall related bits */
+asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs);
+asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_SYSCALLS_64_H */
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index fbac113bbfb..6160fe44516 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -127,6 +127,8 @@ static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
   })
 
 extern void die(const char *str, struct pt_regs *regs, long err) __attribute__ ((noreturn));
+void free_initmem(void);
+void free_initrd_mem(unsigned long start, unsigned long end);
 
 extern void *set_exception_table_vec(unsigned int vec, void *handler);
 
@@ -179,8 +181,8 @@ BUILD_TRAP_HANDLER(fpu_state_restore);
 #define arch_align_stack(x) (x)
 
 struct mem_access {
-	unsigned long (*from)(void *dst, const void *src, unsigned long cnt);
-	unsigned long (*to)(void *dst, const void *src, unsigned long cnt);
+	unsigned long (*from)(void *dst, const void __user *src, unsigned long cnt);
+	unsigned long (*to)(void __user *dst, const void *src, unsigned long cnt);
 };
 
 #ifdef CONFIG_SUPERH32
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index f11bcf0855e..16509ed2bb6 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -99,4 +99,20 @@ do {							\
 int handle_unaligned_access(opcode_t instruction, struct pt_regs *regs,
 			    struct mem_access *ma);
 
+asmlinkage void do_address_error(struct pt_regs *regs,
+				 unsigned long writeaccess,
+				 unsigned long address);
+asmlinkage void do_divide_error(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs __regs);
+asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs __regs);
+asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs __regs);
+asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
+				   unsigned long r6, unsigned long r7,
+				   struct pt_regs __regs);
+
 #endif /* __ASM_SH_SYSTEM_32_H */
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index f5eb56e6bc5..b7e46d5bba4 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -294,9 +294,10 @@ arch_init_clk_ops(struct clk_ops **ops, int type)
 {
 }
 
-void __init __attribute__ ((weak))
+int __init __attribute__ ((weak))
 arch_clk_init(void)
 {
+	return 0;
 }
 
 static int show_clocks(char *buf, char **start, off_t off,
@@ -331,7 +332,7 @@ int __init clk_init(void)
 		ret |= clk_register(clk);
 	}
 
-	arch_clk_init();
+	ret |= arch_clk_init();
 
 	/* Kick the child clocks.. */
 	propagate_rate(&master_clk);
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c
index db769449f5a..f1b214d3bce 100644
--- a/arch/sh/kernel/io_generic.c
+++ b/arch/sh/kernel/io_generic.c
@@ -81,7 +81,7 @@ void generic_insb(unsigned long port, void *dst, unsigned long count)
 	volatile u8 *port_addr;
 	u8 *buf = dst;
 
-	port_addr = (volatile u8 *)__ioport_map(port, 1);
+	port_addr = (volatile u8 __force *)__ioport_map(port, 1);
 	while (count--)
 		*buf++ = *port_addr;
 }
@@ -91,7 +91,7 @@ void generic_insw(unsigned long port, void *dst, unsigned long count)
 	volatile u16 *port_addr;
 	u16 *buf = dst;
 
-	port_addr = (volatile u16 *)__ioport_map(port, 2);
+	port_addr = (volatile u16 __force *)__ioport_map(port, 2);
 	while (count--)
 		*buf++ = *port_addr;
 
@@ -103,7 +103,7 @@ void generic_insl(unsigned long port, void *dst, unsigned long count)
 	volatile u32 *port_addr;
 	u32 *buf = dst;
 
-	port_addr = (volatile u32 *)__ioport_map(port, 4);
+	port_addr = (volatile u32 __force *)__ioport_map(port, 4);
 	while (count--)
 		*buf++ = *port_addr;
 
diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c
index 129b2cfd18a..8bfdd275e94 100644
--- a/arch/sh/kernel/machvec.c
+++ b/arch/sh/kernel/machvec.c
@@ -14,6 +14,7 @@
 #include <linux/string.h>
 #include <asm/machvec.h>
 #include <asm/sections.h>
+#include <asm/setup.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 7326313bcfd..914e543102d 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -26,6 +26,7 @@
 #include <asm/system.h>
 #include <asm/ubc.h>
 #include <asm/fpu.h>
+#include <asm/syscalls.h>
 
 static int hlt_counter;
 int ubc_usercnt = 0;
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index b9dbd2d3b4a..d0dddc438c0 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/io.h>
+#include <asm/syscalls.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 035cb300d3d..84bf3420597 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -27,6 +27,7 @@
 #include <asm/system.h>
 #include <asm/processor.h>
 #include <asm/mmu_context.h>
+#include <asm/syscalls.h>
 
 /*
  * does not yet catch signals sent when the child dies.
@@ -105,6 +106,7 @@ void ptrace_disable(struct task_struct *child)
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
 	struct user * dummy = NULL;
+	unsigned long __user *datap = (unsigned long __user *)data;
 	int ret;
 
 	switch (request) {
@@ -133,7 +135,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			tmp = !!tsk_used_math(child);
 		else
 			tmp = 0;
-		ret = put_user(tmp, (unsigned long __user *)data);
+		ret = put_user(tmp, datap);
 		break;
 	}
 
@@ -202,7 +204,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		}
 
 		ret = 0;
-		if (put_user(tmp, (unsigned long *) data)) {
+		if (put_user(tmp, datap)) {
 			ret = -EFAULT;
 			break;
 		}
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 9c6424892bd..e15b099c1f0 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -35,6 +35,7 @@
 #include <asm/system.h>
 #include <asm/processor.h>
 #include <asm/mmu_context.h>
+#include <asm/syscalls.h>
 #include <asm/fpu.h>
 
 /* This mask defines the bits of the SR which the user is not allowed to
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index de832056bf1..6d0899e890d 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -26,6 +26,7 @@
 #include <linux/err.h>
 #include <linux/debugfs.h>
 #include <linux/crash_dump.h>
+#include <linux/mmzone.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/page.h>
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 51689d29ad4..345de2f1d53 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -30,6 +30,7 @@
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
+#include <asm/syscalls.h>
 #include <asm/fpu.h>
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
@@ -247,7 +248,6 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
 	struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs->regs[15];
 	sigset_t set;
-	stack_t st;
 	int r0;
 
 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
@@ -265,11 +265,9 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))
 		goto badframe;
 
-	if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
+	if (do_sigaltstack(&frame->uc.uc_stack, NULL,
+			   regs->regs[15]) == -EFAULT)
 		goto badframe;
-	/* It is more difficult to avoid calling this function than to
-	   call it and ignore errors.  */
-	do_sigaltstack((const stack_t __user *)&st, NULL, (unsigned long)frame);
 
 	return r0;
 
@@ -429,7 +427,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 
 	/* Create the ucontext.  */
 	err |= __put_user(0, &frame->uc.uc_flags);
-	err |= __put_user(0, &frame->uc.uc_link);
+	err |= __put_user(NULL, &frame->uc.uc_link);
 	err |= __put_user((void *)current->sas_ss_sp,
 			  &frame->uc.uc_stack.ss_sp);
 	err |= __put_user(sas_ss_flags(regs->regs[15]),
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 9061b86d73f..0dfb88925ad 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -23,6 +23,7 @@
 #include <linux/fs.h>
 #include <linux/ipc.h>
 #include <asm/cacheflush.h>
+#include <asm/syscalls.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
@@ -186,7 +187,7 @@ asmlinkage int sys_ipc(uint call, int first, int second,
 			union semun fourth;
 			if (!ptr)
 				return -EINVAL;
-			if (get_user(fourth.__pad, (void * __user *) ptr))
+			if (get_user(fourth.__pad, (void __user * __user *) ptr))
 				return -EFAULT;
 			return sys_semctl (first, second, third, fourth);
 			}
@@ -261,13 +262,13 @@ asmlinkage int sys_ipc(uint call, int first, int second,
 	return -EINVAL;
 }
 
-asmlinkage int sys_uname(struct old_utsname * name)
+asmlinkage int sys_uname(struct old_utsname __user *name)
 {
 	int err;
 	if (!name)
 		return -EFAULT;
 	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof (*name));
+	err = copy_to_user(name, utsname(), sizeof(*name));
 	up_read(&uts_sem);
 	return err?-EFAULT:0;
 }
diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c
index f0aa5c39865..dbba1e1833d 100644
--- a/arch/sh/kernel/sys_sh32.c
+++ b/arch/sh/kernel/sys_sh32.c
@@ -16,6 +16,7 @@
 #include <asm/cacheflush.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
+#include <asm/syscalls.h>
 
 /*
  * sys_pipe() is the normal C calling standard for creating
@@ -37,13 +38,13 @@ asmlinkage int sys_pipe(unsigned long r4, unsigned long r5,
 	return error;
 }
 
-asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char * buf,
+asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char __user *buf,
 			     size_t count, long dummy, loff_t pos)
 {
 	return sys_pread64(fd, buf, count, pos);
 }
 
-asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char * buf,
+asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char __user *buf,
 			      size_t count, long dummy, loff_t pos)
 {
 	return sys_pwrite64(fd, buf, count, pos);
diff --git a/arch/sh/kernel/time_32.c b/arch/sh/kernel/time_32.c
index e2f74cc71d8..23ca711c27d 100644
--- a/arch/sh/kernel/time_32.c
+++ b/arch/sh/kernel/time_32.c
@@ -16,6 +16,7 @@
 #include <linux/timex.h>
 #include <linux/sched.h>
 #include <linux/clockchips.h>
+#include <linux/mc146818rtc.h>	/* for rtc_lock */
 #include <linux/smp.h>
 #include <asm/clock.h>
 #include <asm/rtc.h>
diff --git a/arch/sh/kernel/timers/timer-cmt.c b/arch/sh/kernel/timers/timer-cmt.c
index d20c8c37588..c127293271e 100644
--- a/arch/sh/kernel/timers/timer-cmt.c
+++ b/arch/sh/kernel/timers/timer-cmt.c
@@ -174,7 +174,7 @@ static int cmt_timer_init(void)
 	return 0;
 }
 
-struct sys_timer_ops cmt_timer_ops = {
+static struct sys_timer_ops cmt_timer_ops = {
 	.init		= cmt_timer_init,
 	.start		= cmt_timer_start,
 	.stop		= cmt_timer_stop,
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 511a9426cec..4901f673216 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -192,6 +192,7 @@ static int handle_unaligned_ins(opcode_t instruction, struct pt_regs *regs,
 	int ret, index, count;
 	unsigned long *rm, *rn;
 	unsigned char *src, *dst;
+	unsigned char __user *srcu, *dstu;
 
 	index = (instruction>>8)&15;	/* 0x0F00 */
 	rn = &regs->regs[index];
@@ -206,28 +207,28 @@ static int handle_unaligned_ins(opcode_t instruction, struct pt_regs *regs,
 	case 0: /* mov.[bwl] to/from memory via r0+rn */
 		if (instruction & 8) {
 			/* from memory */
-			src = (unsigned char*) *rm;
-			src += regs->regs[0];
-			dst = (unsigned char*) rn;
-			*(unsigned long*)dst = 0;
+			srcu = (unsigned char __user *)*rm;
+			srcu += regs->regs[0];
+			dst = (unsigned char *)rn;
+			*(unsigned long *)dst = 0;
 
 #if !defined(__LITTLE_ENDIAN__)
 			dst += 4-count;
 #endif
-			if (ma->from(dst, src, count))
+			if (ma->from(dst, srcu, count))
 				goto fetch_fault;
 
 			sign_extend(count, dst);
 		} else {
 			/* to memory */
-			src = (unsigned char*) rm;
+			src = (unsigned char *)rm;
 #if !defined(__LITTLE_ENDIAN__)
 			src += 4-count;
 #endif
-			dst = (unsigned char*) *rn;
-			dst += regs->regs[0];
+			dstu = (unsigned char __user *)*rn;
+			dstu += regs->regs[0];
 
-			if (ma->to(dst, src, count))
+			if (ma->to(dstu, src, count))
 				goto fetch_fault;
 		}
 		ret = 0;
@@ -235,10 +236,10 @@ static int handle_unaligned_ins(opcode_t instruction, struct pt_regs *regs,
 
 	case 1: /* mov.l Rm,@(disp,Rn) */
 		src = (unsigned char*) rm;
-		dst = (unsigned char*) *rn;
-		dst += (instruction&0x000F)<<2;
+		dstu = (unsigned char __user *)*rn;
+		dstu += (instruction&0x000F)<<2;
 
-		if (ma->to(dst, src, 4))
+		if (ma->to(dstu, src, 4))
 			goto fetch_fault;
 		ret = 0;
 		break;
@@ -247,28 +248,28 @@ static int handle_unaligned_ins(opcode_t instruction, struct pt_regs *regs,
 		if (instruction & 4)
 			*rn -= count;
 		src = (unsigned char*) rm;
-		dst = (unsigned char*) *rn;
+		dstu = (unsigned char __user *)*rn;
 #if !defined(__LITTLE_ENDIAN__)
 		src += 4-count;
 #endif
-		if (ma->to(dst, src, count))
+		if (ma->to(dstu, src, count))
 			goto fetch_fault;
 		ret = 0;
 		break;
 
 	case 5: /* mov.l @(disp,Rm),Rn */
-		src = (unsigned char*) *rm;
-		src += (instruction&0x000F)<<2;
-		dst = (unsigned char*) rn;
-		*(unsigned long*)dst = 0;
+		srcu = (unsigned char __user *)*rm;
+		srcu += (instruction & 0x000F) << 2;
+		dst = (unsigned char *)rn;
+		*(unsigned long *)dst = 0;
 
-		if (ma->from(dst, src, 4))
+		if (ma->from(dst, srcu, 4))
 			goto fetch_fault;
 		ret = 0;
 		break;
 
 	case 6:	/* mov.[bwl] from memory, possibly with post-increment */
-		src = (unsigned char*) *rm;
+		srcu = (unsigned char __user *)*rm;
 		if (instruction & 4)
 			*rm += count;
 		dst = (unsigned char*) rn;
@@ -277,7 +278,7 @@ static int handle_unaligned_ins(opcode_t instruction, struct pt_regs *regs,
 #if !defined(__LITTLE_ENDIAN__)
 		dst += 4-count;
 #endif
-		if (ma->from(dst, src, count))
+		if (ma->from(dst, srcu, count))
 			goto fetch_fault;
 		sign_extend(count, dst);
 		ret = 0;
@@ -286,28 +287,28 @@ static int handle_unaligned_ins(opcode_t instruction, struct pt_regs *regs,
 	case 8:
 		switch ((instruction&0xFF00)>>8) {
 		case 0x81: /* mov.w R0,@(disp,Rn) */
-			src = (unsigned char*) &regs->regs[0];
+			src = (unsigned char *) &regs->regs[0];
 #if !defined(__LITTLE_ENDIAN__)
 			src += 2;
 #endif
-			dst = (unsigned char*) *rm; /* called Rn in the spec */
-			dst += (instruction&0x000F)<<1;
+			dstu = (unsigned char __user *)*rm; /* called Rn in the spec */
+			dstu += (instruction & 0x000F) << 1;
 
-			if (ma->to(dst, src, 2))
+			if (ma->to(dstu, src, 2))
 				goto fetch_fault;
 			ret = 0;
 			break;
 
 		case 0x85: /* mov.w @(disp,Rm),R0 */
-			src = (unsigned char*) *rm;
-			src += (instruction&0x000F)<<1;
-			dst = (unsigned char*) &regs->regs[0];
-			*(unsigned long*)dst = 0;
+			srcu = (unsigned char __user *)*rm;
+			srcu += (instruction & 0x000F) << 1;
+			dst = (unsigned char *) &regs->regs[0];
+			*(unsigned long *)dst = 0;
 
 #if !defined(__LITTLE_ENDIAN__)
 			dst += 2;
 #endif
-			if (ma->from(dst, src, 2))
+			if (ma->from(dst, srcu, 2))
 				goto fetch_fault;
 			sign_extend(2, dst);
 			ret = 0;
@@ -333,7 +334,8 @@ static inline int handle_delayslot(struct pt_regs *regs,
 				   struct mem_access *ma)
 {
 	opcode_t instruction;
-	void *addr = (void *)(regs->pc + instruction_size(old_instruction));
+	void __user *addr = (void __user *)(regs->pc +
+		instruction_size(old_instruction));
 
 	if (copy_from_user(&instruction, addr, sizeof(instruction))) {
 		/* the instruction-fetch faulted */
@@ -559,7 +561,7 @@ asmlinkage void do_address_error(struct pt_regs *regs,
 		}
 
 		set_fs(USER_DS);
-		if (copy_from_user(&instruction, (void *)(regs->pc),
+		if (copy_from_user(&instruction, (void __user *)(regs->pc),
 				   sizeof(instruction))) {
 			/* Argh. Fault on the instruction itself.
 			   This should never happen non-SMP
@@ -589,7 +591,7 @@ uspace_segv:
 			die("unaligned program counter", regs, error_code);
 
 		set_fs(KERNEL_DS);
-		if (copy_from_user(&instruction, (void *)(regs->pc),
+		if (copy_from_user(&instruction, (void __user *)(regs->pc),
 				   sizeof(instruction))) {
 			/* Argh. Fault on the instruction itself.
 			   This should never happen non-SMP
diff --git a/arch/sh/lib/div64-generic.c b/arch/sh/lib/div64-generic.c
index 4bef3b5d964..60e76aa8b53 100644
--- a/arch/sh/lib/div64-generic.c
+++ b/arch/sh/lib/div64-generic.c
@@ -3,6 +3,7 @@
  */
 
 #include <linux/types.h>
+#include <asm/div64.h>
 
 extern uint64_t __xdiv64_32(u64 n, u32 d);
 
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 64b8f7f96f9..7619a0fae08 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -44,7 +44,7 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
 	 */
 	dma_cache_sync(dev, ret, size, DMA_BIDIRECTIONAL);
 
-	ret_nocache = ioremap_nocache(virt_to_phys(ret), size);
+	ret_nocache = (void __force *)ioremap_nocache(virt_to_phys(ret), size);
 	if (!ret_nocache) {
 		free_pages((unsigned long)ret, order);
 		return NULL;
diff --git a/arch/sh/mm/pg-nommu.c b/arch/sh/mm/pg-nommu.c
index 677dd57f087..91ed4e695ff 100644
--- a/arch/sh/mm/pg-nommu.c
+++ b/arch/sh/mm/pg-nommu.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <asm/page.h>
+#include <asm/uaccess.h>
 
 void copy_page(void *to, void *from)
 {
diff --git a/arch/sh/mm/tlb-nommu.c b/arch/sh/mm/tlb-nommu.c
index 15111bc7ddd..71c742b5aee 100644
--- a/arch/sh/mm/tlb-nommu.c
+++ b/arch/sh/mm/tlb-nommu.c
@@ -10,6 +10,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <asm/pgtable.h>
+#include <asm/tlbflush.h>
 
 /*
  * Nothing too terribly exciting here ..
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 3df2aaec829..f5aebc9f27e 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1113,7 +1113,7 @@ static const char *sci_type(struct uart_port *port)
 		case PORT_IRDA: return "irda";
 	}
 
-	return 0;
+	return NULL;
 }
 
 static void sci_release_port(struct uart_port *port)
-- 
GitLab


From 5840263ecb95e55a2d248fc740644a2c9171a61c Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 5 Sep 2008 15:36:39 +0900
Subject: [PATCH 0091/2224] sh: Don't enable clockevents broadcasting on UP
 SH-X3 builds.

Fixes up compile errors with missing timer definitions. It's pointless to
have this enabled anyways if CONFIG_SMP=n.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 399664c1f38..af2b174fd7d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -326,7 +326,7 @@ config CPU_SUBTYPE_SHX3
 	select ARCH_SPARSEMEM_ENABLE
 	select SYS_SUPPORTS_NUMA
 	select SYS_SUPPORTS_SMP
-	select GENERIC_CLOCKEVENTS_BROADCAST
+	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 
 # SH4AL-DSP Processor Support
 
-- 
GitLab


From 3159e7d62ad13f71ef3fe029c145594d8caa580d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 5 Sep 2008 15:39:12 +0900
Subject: [PATCH 0092/2224] sh: Add support for memory hot-remove.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/Kconfig |  4 ++++
 arch/sh/mm/init.c  | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 8a03926ea84..f8e6dc5e056 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -134,6 +134,10 @@ config ARCH_ENABLE_MEMORY_HOTPLUG
 	def_bool y
 	depends on SPARSEMEM
 
+config ARCH_ENABLE_MEMORY_HOTREMOVE
+	def_bool y
+	depends on SPARSEMEM
+
 config ARCH_MEMORY_PROBE
 	def_bool y
 	depends on MEMORY_HOTPLUG
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index b75a7acd62f..d4681a55c85 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -292,4 +292,21 @@ int memory_add_physaddr_to_nid(u64 addr)
 }
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
+
+#ifdef CONFIG_MEMORY_HOTREMOVE
+int remove_memory(u64 start, u64 size)
+{
+	unsigned long start_pfn = start >> PAGE_SHIFT;
+	unsigned long end_pfn = start_pfn + (size >> PAGE_SHIFT);
+	int ret;
+
+	ret = offline_pages(start_pfn, end_pfn, 120 * HZ);
+	if (unlikely(ret))
+		printk("%s: Failed, offline_pages() == %d\n", __func__, ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(remove_memory);
 #endif
+
+#endif /* CONFIG_MEMORY_HOTPLUG */
-- 
GitLab


From c6feb6142cb85228e73497a309f475a0d7279318 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Fri, 5 Sep 2008 16:06:42 +0900
Subject: [PATCH 0093/2224] sh: early cached_to_uncached initialization.

statically initialise the cached_to_uncached offset, so that we can use
it immediatly.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/system_32.h |  3 ++-
 arch/sh/mm/init.c               | 27 ++++++++++++++-------------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index 16509ed2bb6..f7f105627fd 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -58,7 +58,8 @@ do {									\
 	last = __last;							\
 } while (0)
 
-#define __uses_jump_to_uncached __attribute__ ((__section__ (".uncached.text")))
+#define __uses_jump_to_uncached \
+	noinline __attribute__ ((__section__ (".uncached.text")))
 
 /*
  * Jump to uncached area.
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index d4681a55c85..f1a494283c4 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -23,7 +23,19 @@
 
 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
 pgd_t swapper_pg_dir[PTRS_PER_PGD];
-unsigned long cached_to_uncached = 0;
+
+#ifdef CONFIG_SUPERH32
+/*
+ * Handle trivial transitions between cached and uncached
+ * segments, making use of the 1:1 mapping relationship in
+ * 512MB lowmem.
+ *
+ * This is the offset of the uncached section from its cached alias.
+ * Default value only valid in 29 bit mode, in 32bit mode will be
+ * overridden in pmb_init.
+ */
+unsigned long cached_to_uncached = P2SEG - P1SEG;
+#endif
 
 #ifdef CONFIG_MMU
 static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
@@ -58,9 +70,7 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
 	}
 
 	set_pte(pte, pfn_pte(phys >> PAGE_SHIFT, prot));
-
-	if (cached_to_uncached)
-		flush_tlb_one(get_asid(), addr);
+	flush_tlb_one(get_asid(), addr);
 }
 
 /*
@@ -165,15 +175,6 @@ void __init paging_init(void)
 #ifdef CONFIG_SUPERH32
 	/* Set up the uncached fixmap */
 	set_fixmap_nocache(FIX_UNCACHED, __pa(&__uncached_start));
-
-#ifdef CONFIG_29BIT
-	/*
-	 * Handle trivial transitions between cached and uncached
-	 * segments, making use of the 1:1 mapping relationship in
-	 * 512MB lowmem.
-	 */
-	cached_to_uncached = P2SEG - P1SEG;
-#endif
 #endif
 }
 
-- 
GitLab


From 28d6e52cf7e881834d2dab370afa20b6223f726c Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Fri, 5 Sep 2008 16:14:17 +0900
Subject: [PATCH 0094/2224] sh: Fix up broken 32-bit initrd support.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/setup.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 6d0899e890d..fc7171a9c80 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -249,17 +249,18 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
 	ROOT_DEV = Root_RAM0;
 
 	if (LOADER_TYPE && INITRD_START) {
-		if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
-			reserve_bootmem(INITRD_START + __MEMORY_START,
-					INITRD_SIZE, BOOTMEM_DEFAULT);
-			initrd_start = INITRD_START + PAGE_OFFSET +
-					__MEMORY_START;
+		unsigned long initrd_start_phys = INITRD_START + __MEMORY_START;
+
+		if (initrd_start_phys + INITRD_SIZE <= PFN_PHYS(max_low_pfn)) {
+			reserve_bootmem(initrd_start_phys, INITRD_SIZE,
+					BOOTMEM_DEFAULT);
+			initrd_start = (unsigned long)__va(initrd_start_phys);
 			initrd_end = initrd_start + INITRD_SIZE;
 		} else {
 			printk("initrd extends beyond end of memory "
-			    "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
-				    INITRD_START + INITRD_SIZE,
-				    max_low_pfn << PAGE_SHIFT);
+			       "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
+			       initrd_start_phys + INITRD_SIZE,
+			       PFN_PHYS(max_low_pfn));
 			initrd_start = 0;
 		}
 	}
-- 
GitLab


From 96e14e54a6abd5a4bcd75e33962f87bef145d1f6 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Fri, 5 Sep 2008 16:17:15 +0900
Subject: [PATCH 0095/2224] sh: vmalloc pgtable sync fix.

This fixes a problem in the code which copies the vmalloc portion of the
kernel's page table into the current user space page table. The addition
of the four level page table code breaks on folded page tables, because
the pud level is always present (although folded). This updates the code
to use the same style of updates for the pud as is used for the pgd
level.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/fault_32.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 0c776fdfbdd..e8efda9846b 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -61,7 +61,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 		pgd = get_TTB() + offset;
 		pgd_k = swapper_pg_dir + offset;
 
-		/* This will never happen with the folded page table. */
 		if (!pgd_present(*pgd)) {
 			if (!pgd_present(*pgd_k))
 				goto bad_area_nosemaphore;
@@ -71,9 +70,13 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 
 		pud = pud_offset(pgd, address);
 		pud_k = pud_offset(pgd_k, address);
-		if (pud_present(*pud) || !pud_present(*pud_k))
-			goto bad_area_nosemaphore;
-		set_pud(pud, *pud_k);
+
+		if (!pud_present(*pud)) {
+			if (!pud_present(*pud_k))
+				goto bad_area_nosemaphore;
+			set_pud(pud, *pud_k);
+			return;
+		}
 
 		pmd = pmd_offset(pud, address);
 		pmd_k = pmd_offset(pud_k, address);
-- 
GitLab


From 664718a34348a9ef6f966c3977e8df927a378134 Mon Sep 17 00:00:00 2001
From: Chris Smith <chris.smith@st.com>
Date: Fri, 5 Sep 2008 16:24:13 +0900
Subject: [PATCH 0096/2224] sh: Fix uImage load address in 32-bit mode.

Fix "make uImage" load and entry addresses in 32-bit mode.

Signed-off-by: Chris Smith <chris.smith@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boot/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index 5b54965eef9..c16ccd4bfa1 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -33,10 +33,16 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
 $(obj)/compressed/vmlinux: FORCE
 	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
 
+ifeq ($(CONFIG_32BIT),y)
+KERNEL_LOAD	:= $(shell /bin/bash -c 'printf "0x%08x" \
+		     $$[$(CONFIG_PAGE_OFFSET)  + \
+			$(CONFIG_ZERO_PAGE_OFFSET)]')
+else
 KERNEL_LOAD	:= $(shell /bin/bash -c 'printf "0x%08x" \
 		     $$[$(CONFIG_PAGE_OFFSET)  + \
 			$(CONFIG_MEMORY_START) + \
 			$(CONFIG_ZERO_PAGE_OFFSET)]')
+endif
 
 KERNEL_ENTRY	:= $(shell /bin/bash -c 'printf "0x%08x" \
 		     $$[$(CONFIG_PAGE_OFFSET)  + \
-- 
GitLab


From f040ddaf4cfd28f25ea9d6a42d3c734d5c3f6798 Mon Sep 17 00:00:00 2001
From: Stuart Menefy <stuart.menefy@st.com>
Date: Fri, 5 Sep 2008 16:29:40 +0900
Subject: [PATCH 0097/2224] sh: Fix an unusual memory initialisation error.

This fixes a problems with the set up of Linux memory:

 - When reserving memory at boot time, the code previously reserved
   the bottom page of memory, and then from one page up to the end of
   the bootmap. This had the desired effect, but was strictly speaking
   wrong, as the one page was actually whatever CONFIG_ZERO_PAGE_OFFSET
   had been set to.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/setup.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index fc7171a9c80..fc098c8af05 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -233,15 +233,17 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
 	 * case of us accidentally initializing the bootmem allocator with
 	 * an invalid RAM area.
 	 */
-	reserve_bootmem(__MEMORY_START+PAGE_SIZE,
-		(PFN_PHYS(free_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START,
-		BOOTMEM_DEFAULT);
+	reserve_bootmem(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+			(PFN_PHYS(free_pfn) + bootmap_size + PAGE_SIZE - 1) -
+			(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET),
+			BOOTMEM_DEFAULT);
 
 	/*
 	 * reserve physical page 0 - it's a special BIOS page on many boxes,
 	 * enabling clean reboots, SMP operation, laptop functions.
 	 */
-	reserve_bootmem(__MEMORY_START, PAGE_SIZE, BOOTMEM_DEFAULT);
+	reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
+			BOOTMEM_DEFAULT);
 
 	sparse_memory_present_with_active_regions(0);
 
-- 
GitLab


From b6ad1e8c3f76fcc5dee506d5e79e752d296ff745 Mon Sep 17 00:00:00 2001
From: Carl Shaw <carl.shaw@st.com>
Date: Fri, 5 Sep 2008 16:36:19 +0900
Subject: [PATCH 0098/2224] sh: Subnormal double to float conversion

This patch adds support for the SH4 to convert a subnormal double
into a float by catching the FPE and implementing the FCNVDS
instruction in software.

Signed-off-by: Carl Shaw <carl.shaw@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4/fpu.c       | 25 ++++++++++++++++++++++++-
 arch/sh/kernel/cpu/sh4/softfloat.c | 29 +++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c
index 2d452f67fb8..2780917c008 100644
--- a/arch/sh/kernel/cpu/sh4/fpu.c
+++ b/arch/sh/kernel/cpu/sh4/fpu.c
@@ -36,7 +36,7 @@ extern unsigned long int float32_add(unsigned long int a, unsigned long int b);
 extern unsigned long long float64_sub(unsigned long long a,
 				      unsigned long long b);
 extern unsigned long int float32_sub(unsigned long int a, unsigned long int b);
-
+extern unsigned long int float64_to_float32(unsigned long long a);
 static unsigned int fpu_exception_flags;
 
 /*
@@ -415,6 +415,29 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 		} else
 			return 0;
 
+		regs->pc = nextpc;
+		return 1;
+	} else if ((finsn & 0xf0bd) == 0xf0bd) {
+		/* fcnvds - double to single precision convert */
+		struct task_struct *tsk = current;
+		int m;
+		unsigned int hx;
+
+		m = (finsn >> 9) & 0x7;
+		hx = tsk->thread.fpu.hard.fp_regs[m];
+
+		if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR)
+			&& ((hx & 0x7fffffff) < 0x00100000)) {
+			/* subnormal double to float conversion */
+			long long llx;
+
+			llx = ((long long)tsk->thread.fpu.hard.fp_regs[m] << 32)
+			    | tsk->thread.fpu.hard.fp_regs[m + 1];
+
+			tsk->thread.fpu.hard.fpul = float64_to_float32(llx);
+		} else
+			return 0;
+
 		regs->pc = nextpc;
 		return 1;
 	}
diff --git a/arch/sh/kernel/cpu/sh4/softfloat.c b/arch/sh/kernel/cpu/sh4/softfloat.c
index 828cb57cb95..2b747f3b02b 100644
--- a/arch/sh/kernel/cpu/sh4/softfloat.c
+++ b/arch/sh/kernel/cpu/sh4/softfloat.c
@@ -85,6 +85,7 @@ float64 float64_div(float64 a, float64 b);
 float32 float32_div(float32 a, float32 b);
 float32 float32_mul(float32 a, float32 b);
 float64 float64_mul(float64 a, float64 b);
+float32 float64_to_float32(float64 a);
 inline void add128(bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 * z0Ptr,
 		   bits64 * z1Ptr);
 inline void sub128(bits64 a0, bits64 a1, bits64 b0, bits64 b1, bits64 * z0Ptr,
@@ -890,3 +891,31 @@ float64 float64_mul(float64 a, float64 b)
 	}
 	return roundAndPackFloat64(zSign, zExp, zSig0);
 }
+
+/*
+ * -------------------------------------------------------------------------------
+ *  Returns the result of converting the double-precision floating-point value
+ *  `a' to the single-precision floating-point format.  The conversion is
+ *  performed according to the IEC/IEEE Standard for Binary Floating-point
+ *  Arithmetic.
+ *  -------------------------------------------------------------------------------
+ *  */
+float32 float64_to_float32(float64 a)
+{
+    flag aSign;
+    int16 aExp;
+    bits64 aSig;
+    bits32 zSig;
+
+    aSig = extractFloat64Frac( a );
+    aExp = extractFloat64Exp( a );
+    aSign = extractFloat64Sign( a );
+
+    shift64RightJamming( aSig, 22, &aSig );
+    zSig = aSig;
+    if ( aExp || zSig ) {
+        zSig |= 0x40000000;
+        aExp -= 0x381;
+    }
+    return roundAndPackFloat32(aSign, aExp, zSig);
+}
-- 
GitLab


From 61c66387e640abc0e0aa11519bc48ff9bb50580a Mon Sep 17 00:00:00 2001
From: Francesco Virlinzi <francesco.virlinzi@st.com>
Date: Fri, 5 Sep 2008 16:40:22 +0900
Subject: [PATCH 0099/2224] sh: fix the TMU code to allow a fully running NO_HZ
 system

This patch fixes the TMU code to allow NO_HZ to work on sh

Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/timers/timer-tmu.c | 177 ++++++++++++++++++++----------
 1 file changed, 119 insertions(+), 58 deletions(-)

diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index 1ca9ad49b54..aaaf90d06b8 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -28,43 +28,90 @@
 #define TMU_TOCR_INIT	0x00
 #define TMU_TCR_INIT	0x0020
 
-static int tmu_timer_start(void)
+#define TMU0		(0)
+#define TMU1		(1)
+
+static inline void _tmu_start(int tmu_num)
 {
-	ctrl_outb(ctrl_inb(TMU_012_TSTR) | 0x3, TMU_012_TSTR);
-	return 0;
+	ctrl_outb(ctrl_inb(TMU_012_TSTR) | (0x1<<tmu_num), TMU_012_TSTR);
 }
 
-static void tmu0_timer_set_interval(unsigned long interval, unsigned int reload)
+static inline void _tmu_set_irq(int tmu_num, int enabled)
 {
-	ctrl_outl(interval, TMU0_TCNT);
+	register unsigned long tmu_tcr = TMU0_TCR + (0xc*tmu_num);
+	ctrl_outw( (enabled ? ctrl_inw(tmu_tcr) | (1<<5) : ctrl_inw(tmu_tcr) & ~(1<<5)), tmu_tcr);
+}
 
-	/*
-	 * TCNT reloads from TCOR on underflow, clear it if we don't
-	 * intend to auto-reload
-	 */
-	if (reload)
-		ctrl_outl(interval, TMU0_TCOR);
-	else
-		ctrl_outl(0, TMU0_TCOR);
+static inline void _tmu_stop(int tmu_num)
+{
+	ctrl_outb(ctrl_inb(TMU_012_TSTR) & ~(0x1<<tmu_num), TMU_012_TSTR);
+}
+
+static inline void _tmu_clear_status(int tmu_num)
+{
+	register unsigned long tmu_tcr = TMU0_TCR + (0xc*tmu_num);
+	/* Clear UNF bit */
+	ctrl_outw(ctrl_inw(tmu_tcr) & ~0x100, tmu_tcr);
+}
 
-	tmu_timer_start();
+static inline unsigned long _tmu_read(int tmu_num)
+{
+        return ctrl_inl(TMU0_TCNT+0xC*tmu_num);
+}
+
+static int tmu_timer_start(void)
+{
+	_tmu_start(TMU0);
+	_tmu_start(TMU1);
+	_tmu_set_irq(TMU0,1);
+	return 0;
 }
 
 static int tmu_timer_stop(void)
 {
-	ctrl_outb(ctrl_inb(TMU_012_TSTR) & ~0x3, TMU_012_TSTR);
+	_tmu_stop(TMU0);
+	_tmu_stop(TMU1);
+	_tmu_clear_status(TMU0);
 	return 0;
 }
 
+/*
+ * also when the module_clk is scaled the TMU1
+ * will show the same frequency
+ */
+static int tmus_are_scaled;
+
 static cycle_t tmu_timer_read(void)
 {
-	return ~ctrl_inl(TMU1_TCNT);
+	return ((cycle_t)(~_tmu_read(TMU1)))<<tmus_are_scaled;
+}
+
+
+static unsigned long tmu_latest_interval[3];
+static void tmu_timer_set_interval(int tmu_num, unsigned long interval, unsigned int reload)
+{
+	unsigned long tmu_tcnt = TMU0_TCNT + tmu_num*0xC;
+	unsigned long tmu_tcor = TMU0_TCOR + tmu_num*0xC;
+
+	_tmu_stop(tmu_num);
+
+	ctrl_outl(interval, tmu_tcnt);
+	tmu_latest_interval[tmu_num] = interval;
+
+	/*
+	 * TCNT reloads from TCOR on underflow, clear it if we don't
+	 * intend to auto-reload
+	 */
+	ctrl_outl( reload ? interval : 0 , tmu_tcor);
+
+	_tmu_start(tmu_num);
 }
 
 static int tmu_set_next_event(unsigned long cycles,
 			      struct clock_event_device *evt)
 {
-	tmu0_timer_set_interval(cycles, 1);
+	tmu_timer_set_interval(TMU0,cycles, evt->mode == CLOCK_EVT_MODE_PERIODIC);
+	_tmu_set_irq(TMU0,1);
 	return 0;
 }
 
@@ -96,12 +143,8 @@ static struct clock_event_device tmu0_clockevent = {
 static irqreturn_t tmu_timer_interrupt(int irq, void *dummy)
 {
 	struct clock_event_device *evt = &tmu0_clockevent;
-	unsigned long timer_status;
-
-	/* Clear UNF bit */
-	timer_status = ctrl_inw(TMU0_TCR);
-	timer_status &= ~0x100;
-	ctrl_outw(timer_status, TMU0_TCR);
+	_tmu_clear_status(TMU0);
+	_tmu_set_irq(TMU0,tmu0_clockevent.mode != CLOCK_EVT_MODE_ONESHOT);
 
 	evt->event_handler(evt);
 
@@ -109,56 +152,73 @@ static irqreturn_t tmu_timer_interrupt(int irq, void *dummy)
 }
 
 static struct irqaction tmu0_irq = {
-	.name		= "periodic timer",
+	.name		= "periodic/oneshot timer",
 	.handler	= tmu_timer_interrupt,
 	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
 	.mask		= CPU_MASK_NONE,
 };
 
-static void tmu0_clk_init(struct clk *clk)
+static void __init tmu_clk_init(struct clk *clk)
 {
-	u8 divisor = TMU_TCR_INIT & 0x7;
-	ctrl_outw(TMU_TCR_INIT, TMU0_TCR);
-	clk->rate = clk->parent->rate / (4 << (divisor << 1));
+	u8 divisor  = TMU_TCR_INIT & 0x7;
+	int tmu_num = clk->name[3]-'0';
+	ctrl_outw(TMU_TCR_INIT, TMU0_TCR+(tmu_num*0xC));
+	clk->rate = clk_get_rate(clk->parent) / (4 << (divisor << 1));
 }
 
-static void tmu0_clk_recalc(struct clk *clk)
+static void tmu_clk_recalc(struct clk *clk)
 {
-	u8 divisor = ctrl_inw(TMU0_TCR) & 0x7;
-	clk->rate = clk->parent->rate / (4 << (divisor << 1));
-}
+	int tmu_num = clk->name[3]-'0';
+	unsigned long prev_rate = clk_get_rate(clk);
+	unsigned long flags;
+	u8 divisor = ctrl_inw(TMU0_TCR+tmu_num*0xC) & 0x7;
+	clk->rate  = clk_get_rate(clk->parent) / (4 << (divisor << 1));
 
-static struct clk_ops tmu0_clk_ops = {
-	.init		= tmu0_clk_init,
-	.recalc		= tmu0_clk_recalc,
-};
+	if(prev_rate==clk_get_rate(clk))
+		return;
 
-static struct clk tmu0_clk = {
-	.name		= "tmu0_clk",
-	.ops		= &tmu0_clk_ops,
-};
+	if(tmu_num)
+		return; /* No more work on TMU1 */
 
-static void tmu1_clk_init(struct clk *clk)
-{
-	u8 divisor = TMU_TCR_INIT & 0x7;
-	ctrl_outw(divisor, TMU1_TCR);
-	clk->rate = clk->parent->rate / (4 << (divisor << 1));
-}
+	local_irq_save(flags);
+	tmus_are_scaled = (prev_rate > clk->rate);
 
-static void tmu1_clk_recalc(struct clk *clk)
-{
-	u8 divisor = ctrl_inw(TMU1_TCR) & 0x7;
-	clk->rate = clk->parent->rate / (4 << (divisor << 1));
+	_tmu_stop(TMU0);
+
+	tmu0_clockevent.mult = div_sc(clk->rate, NSEC_PER_SEC,
+				tmu0_clockevent.shift);
+	tmu0_clockevent.max_delta_ns =
+			clockevent_delta2ns(-1, &tmu0_clockevent);
+	tmu0_clockevent.min_delta_ns =
+			clockevent_delta2ns(1, &tmu0_clockevent);
+
+	if (tmus_are_scaled)
+		tmu_latest_interval[TMU0] >>= 1;
+	else
+		tmu_latest_interval[TMU0] <<= 1;
+
+	tmu_timer_set_interval(TMU0,
+		tmu_latest_interval[TMU0],
+		tmu0_clockevent.mode == CLOCK_EVT_MODE_PERIODIC);
+
+	_tmu_start(TMU0);
+
+	local_irq_restore(flags);
 }
 
-static struct clk_ops tmu1_clk_ops = {
-	.init		= tmu1_clk_init,
-	.recalc		= tmu1_clk_recalc,
+static struct clk_ops tmu_clk_ops = {
+	.init		= tmu_clk_init,
+	.recalc		= tmu_clk_recalc,
+};
+
+static struct clk tmu0_clk = {
+	.name		= "tmu0_clk",
+	.ops		= &tmu_clk_ops,
 };
 
 static struct clk tmu1_clk = {
 	.name		= "tmu1_clk",
-	.ops		= &tmu1_clk_ops,
+	.ops		= &tmu_clk_ops,
 };
 
 static int tmu_timer_init(void)
@@ -189,11 +249,12 @@ static int tmu_timer_init(void)
 	frequency = clk_get_rate(&tmu0_clk);
 	interval = (frequency + HZ / 2) / HZ;
 
-	sh_hpt_frequency = clk_get_rate(&tmu1_clk);
-	ctrl_outl(~0, TMU1_TCNT);
-	ctrl_outl(~0, TMU1_TCOR);
+	tmu_timer_set_interval(TMU0,interval, 1);
+	tmu_timer_set_interval(TMU1,~0,1);
 
-	tmu0_timer_set_interval(interval, 1);
+	_tmu_start(TMU1);
+
+	sh_hpt_frequency = clk_get_rate(&tmu1_clk);
 
 	tmu0_clockevent.mult = div_sc(frequency, NSEC_PER_SEC,
 				      tmu0_clockevent.shift);
-- 
GitLab


From b6c20e4290a1ef92bcef5ec9dd8e5c7d036153aa Mon Sep 17 00:00:00 2001
From: Marek Skuczynski <M.Skuczynski@adbglobal.com>
Date: Fri, 5 Sep 2008 16:42:58 +0900
Subject: [PATCH 0100/2224] sh: remove unnecessary memset after
 alloc_bootmem_low_pages

Because alloc_bootmem functions return the allocated memory always
zeroed, an additional call of memset on allocated memory is
unnecessary.

Signed-off-by: Marek Skuczynski <M.Skuczynski@adbglobal.com>
Signed-off-by: Carl Shaw <carl.shaw@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/init.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index f1a494283c4..31211bfdc6d 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -123,7 +123,6 @@ void __init page_table_range_init(unsigned long start, unsigned long end,
 		if (!pmd_present(*pmd)) {
 			pte_t *pte_table;
 			pte_table = (pte_t *)alloc_bootmem_low_pages(PAGE_SIZE);
-			memset(pte_table, 0, PAGE_SIZE);
 			pmd_populate_kernel(&init_mm, pmd, pte_table);
 		}
 
-- 
GitLab


From d39f5450146ff39f66cfde9d5184420627d0ac51 Mon Sep 17 00:00:00 2001
From: Chris Smith <chris.smith@st.com>
Date: Fri, 5 Sep 2008 17:15:39 +0900
Subject: [PATCH 0101/2224] sh: Add kprobes support.

Initial support for kprobes/kretprobes for 32-bit SH platforms.

[ General cleanup and some rework for the kretprobe hash lock. -- PFM ]

Signed-off-by: Chris Smith <chris.smith@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig               |   2 +
 arch/sh/include/asm/kprobes.h |  59 ++++
 arch/sh/kernel/Makefile_32    |   1 +
 arch/sh/kernel/kprobes.c      | 568 ++++++++++++++++++++++++++++++++++
 arch/sh/kernel/traps_32.c     |   5 +
 5 files changed, 635 insertions(+)
 create mode 100644 arch/sh/include/asm/kprobes.h
 create mode 100644 arch/sh/kernel/kprobes.c

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index af2b174fd7d..334917a62ec 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -20,6 +20,8 @@ config SUPERH
 
 config SUPERH32
 	def_bool !SUPERH64
+	select HAVE_KPROBES
+	select HAVE_KRETPROBES
 
 config SUPERH64
 	def_bool y if CPU_SH5
diff --git a/arch/sh/include/asm/kprobes.h b/arch/sh/include/asm/kprobes.h
new file mode 100644
index 00000000000..70fc629df90
--- /dev/null
+++ b/arch/sh/include/asm/kprobes.h
@@ -0,0 +1,59 @@
+#ifndef __ASM_SH_KPROBES_H
+#define __ASM_SH_KPROBES_H
+
+#ifdef CONFIG_KPROBES
+
+#include <linux/types.h>
+#include <linux/ptrace.h>
+
+struct pt_regs;
+
+typedef u16 kprobe_opcode_t;
+#define BREAKPOINT_INSTRUCTION	0xc3ff
+
+#define MAX_INSN_SIZE 16
+#define MAX_STACK_SIZE 64
+#define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \
+	(((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \
+	? (MAX_STACK_SIZE) \
+	: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
+
+#define regs_return_value(regs)		((regs)->regs[0])
+#define flush_insn_slot(p)		do { } while (0)
+#define kretprobe_blacklist_size	0
+
+struct kprobe;
+
+void arch_remove_kprobe(struct kprobe *);
+void kretprobe_trampoline(void);
+void jprobe_return_end(void);
+
+/* Architecture specific copy of original instruction*/
+struct arch_specific_insn {
+	/* copy of the original instruction */
+	kprobe_opcode_t insn[MAX_INSN_SIZE];
+};
+
+struct prev_kprobe {
+	struct kprobe *kp;
+	unsigned long status;
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+	unsigned long kprobe_status;
+	unsigned long jprobe_saved_r15;
+	struct pt_regs jprobe_saved_regs;
+	kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
+	struct prev_kprobe prev_kprobe;
+};
+
+extern int kprobe_exceptions_notify(struct notifier_block *self,
+				    unsigned long val, void *data);
+extern int kprobe_handle_illslot(unsigned long pc);
+#else
+
+#define kprobe_handle_illslot(pc)	(-1)
+
+#endif /* CONFIG_KPROBES */
+#endif /* __ASM_SH_KPROBES_H */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 0e6905fe9fe..12e617beba2 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -23,5 +23,6 @@ obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
 obj-$(CONFIG_ELF_CORE)		+= dump_task.o
 obj-$(CONFIG_IO_TRAPPED)	+= io_trapped.o
+obj-$(CONFIG_KPROBES)		+= kprobes.o
 
 EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
new file mode 100644
index 00000000000..c4f4a0923eb
--- /dev/null
+++ b/arch/sh/kernel/kprobes.c
@@ -0,0 +1,568 @@
+/*
+ * Kernel probes (kprobes) for SuperH
+ *
+ * Copyright (C) 2007 Chris Smith <chris.smith@st.com>
+ * Copyright (C) 2006 Lineo Solutions, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/kprobes.h>
+#include <linux/module.h>
+#include <linux/ptrace.h>
+#include <linux/preempt.h>
+#include <linux/kdebug.h>
+#include <asm/cacheflush.h>
+#include <asm/uaccess.h>
+
+DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
+DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
+
+static struct kprobe saved_current_opcode;
+static struct kprobe saved_next_opcode;
+static struct kprobe saved_next_opcode2;
+
+#define OPCODE_JMP(x)	(((x) & 0xF0FF) == 0x402b)
+#define OPCODE_JSR(x)	(((x) & 0xF0FF) == 0x400b)
+#define OPCODE_BRA(x)	(((x) & 0xF000) == 0xa000)
+#define OPCODE_BRAF(x)	(((x) & 0xF0FF) == 0x0023)
+#define OPCODE_BSR(x)	(((x) & 0xF000) == 0xb000)
+#define OPCODE_BSRF(x)	(((x) & 0xF0FF) == 0x0003)
+
+#define OPCODE_BF_S(x)	(((x) & 0xFF00) == 0x8f00)
+#define OPCODE_BT_S(x)	(((x) & 0xFF00) == 0x8d00)
+
+#define OPCODE_BF(x)	(((x) & 0xFF00) == 0x8b00)
+#define OPCODE_BT(x)	(((x) & 0xFF00) == 0x8900)
+
+#define OPCODE_RTS(x)	(((x) & 0x000F) == 0x000b)
+#define OPCODE_RTE(x)	(((x) & 0xFFFF) == 0x002b)
+
+int __kprobes arch_prepare_kprobe(struct kprobe *p)
+{
+	kprobe_opcode_t opcode = *(kprobe_opcode_t *) (p->addr);
+
+	if (OPCODE_RTE(opcode))
+		return -EFAULT;	/* Bad breakpoint */
+
+	p->opcode = opcode;
+
+	return 0;
+}
+
+void __kprobes arch_copy_kprobe(struct kprobe *p)
+{
+	memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
+	p->opcode = *p->addr;
+}
+
+void __kprobes arch_arm_kprobe(struct kprobe *p)
+{
+	*p->addr = BREAKPOINT_INSTRUCTION;
+	flush_icache_range((unsigned long)p->addr,
+			   (unsigned long)p->addr + sizeof(kprobe_opcode_t));
+}
+
+void __kprobes arch_disarm_kprobe(struct kprobe *p)
+{
+	*p->addr = p->opcode;
+	flush_icache_range((unsigned long)p->addr,
+			   (unsigned long)p->addr + sizeof(kprobe_opcode_t));
+}
+
+int __kprobes arch_trampoline_kprobe(struct kprobe *p)
+{
+	if (*p->addr == BREAKPOINT_INSTRUCTION)
+		return 1;
+
+	return 0;
+}
+
+/**
+ * If an illegal slot instruction exception occurs for an address
+ * containing a kprobe, remove the probe.
+ *
+ * Returns 0 if the exception was handled successfully, 1 otherwise.
+ */
+int __kprobes kprobe_handle_illslot(unsigned long pc)
+{
+	struct kprobe *p = get_kprobe((kprobe_opcode_t *) pc + 1);
+
+	if (p != NULL) {
+		printk("Warning: removing kprobe from delay slot: 0x%.8x\n",
+		       (unsigned int)pc + 2);
+		unregister_kprobe(p);
+		return 0;
+	}
+
+	return 1;
+}
+
+void __kprobes arch_remove_kprobe(struct kprobe *p)
+{
+	if (saved_next_opcode.addr != 0x0) {
+		arch_disarm_kprobe(p);
+		arch_disarm_kprobe(&saved_next_opcode);
+		saved_next_opcode.addr = 0x0;
+		saved_next_opcode.opcode = 0x0;
+
+		if (saved_next_opcode2.addr != 0x0) {
+			arch_disarm_kprobe(&saved_next_opcode2);
+			saved_next_opcode2.addr = 0x0;
+			saved_next_opcode2.opcode = 0x0;
+		}
+	}
+}
+
+static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
+{
+	kcb->prev_kprobe.kp = kprobe_running();
+	kcb->prev_kprobe.status = kcb->kprobe_status;
+}
+
+static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
+{
+	__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
+	kcb->kprobe_status = kcb->prev_kprobe.status;
+}
+
+static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
+				      struct kprobe_ctlblk *kcb)
+{
+	__get_cpu_var(current_kprobe) = p;
+}
+
+/*
+ * Singlestep is implemented by disabling the current kprobe and setting one
+ * on the next instruction, following branches. Two probes are set if the
+ * branch is conditional.
+ */
+static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
+{
+	kprobe_opcode_t *addr = NULL;
+	saved_current_opcode.addr = (kprobe_opcode_t *) (regs->pc);
+	addr = saved_current_opcode.addr;
+
+	if (p != NULL) {
+		arch_disarm_kprobe(p);
+
+		if (OPCODE_JSR(p->opcode) || OPCODE_JMP(p->opcode)) {
+			unsigned int reg_nr = ((p->opcode >> 8) & 0x000F);
+			saved_next_opcode.addr =
+			    (kprobe_opcode_t *) regs->regs[reg_nr];
+		} else if (OPCODE_BRA(p->opcode) || OPCODE_BSR(p->opcode)) {
+			unsigned long disp = (p->opcode & 0x0FFF);
+			saved_next_opcode.addr =
+			    (kprobe_opcode_t *) (regs->pc + 4 + disp * 2);
+
+		} else if (OPCODE_BRAF(p->opcode) || OPCODE_BSRF(p->opcode)) {
+			unsigned int reg_nr = ((p->opcode >> 8) & 0x000F);
+			saved_next_opcode.addr =
+			    (kprobe_opcode_t *) (regs->pc + 4 +
+						 regs->regs[reg_nr]);
+
+		} else if (OPCODE_RTS(p->opcode)) {
+			saved_next_opcode.addr = (kprobe_opcode_t *) regs->pr;
+
+		} else if (OPCODE_BF(p->opcode) || OPCODE_BT(p->opcode)) {
+			unsigned long disp = (p->opcode & 0x00FF);
+			/* case 1 */
+			saved_next_opcode.addr = p->addr + 1;
+			/* case 2 */
+			saved_next_opcode2.addr =
+			    (kprobe_opcode_t *) (regs->pc + 4 + disp * 2);
+			saved_next_opcode2.opcode = *(saved_next_opcode2.addr);
+			arch_arm_kprobe(&saved_next_opcode2);
+
+		} else if (OPCODE_BF_S(p->opcode) || OPCODE_BT_S(p->opcode)) {
+			unsigned long disp = (p->opcode & 0x00FF);
+			/* case 1 */
+			saved_next_opcode.addr = p->addr + 2;
+			/* case 2 */
+			saved_next_opcode2.addr =
+			    (kprobe_opcode_t *) (regs->pc + 4 + disp * 2);
+			saved_next_opcode2.opcode = *(saved_next_opcode2.addr);
+			arch_arm_kprobe(&saved_next_opcode2);
+
+		} else {
+			saved_next_opcode.addr = p->addr + 1;
+		}
+
+		saved_next_opcode.opcode = *(saved_next_opcode.addr);
+		arch_arm_kprobe(&saved_next_opcode);
+	}
+}
+
+/* Called with kretprobe_lock held */
+void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
+				      struct pt_regs *regs)
+{
+	ri->ret_addr = (kprobe_opcode_t *) regs->pr;
+
+	/* Replace the return addr with trampoline addr */
+	regs->pr = (unsigned long)kretprobe_trampoline;
+}
+
+static int __kprobes kprobe_handler(struct pt_regs *regs)
+{
+	struct kprobe *p;
+	int ret = 0;
+	kprobe_opcode_t *addr = NULL;
+	struct kprobe_ctlblk *kcb;
+
+	/*
+	 * We don't want to be preempted for the entire
+	 * duration of kprobe processing
+	 */
+	preempt_disable();
+	kcb = get_kprobe_ctlblk();
+
+	addr = (kprobe_opcode_t *) (regs->pc);
+
+	/* Check we're not actually recursing */
+	if (kprobe_running()) {
+		p = get_kprobe(addr);
+		if (p) {
+			if (kcb->kprobe_status == KPROBE_HIT_SS &&
+			    *p->ainsn.insn == BREAKPOINT_INSTRUCTION) {
+				goto no_kprobe;
+			}
+			/* We have reentered the kprobe_handler(), since
+			 * another probe was hit while within the handler.
+			 * We here save the original kprobes variables and
+			 * just single step on the instruction of the new probe
+			 * without calling any user handlers.
+			 */
+			save_previous_kprobe(kcb);
+			set_current_kprobe(p, regs, kcb);
+			kprobes_inc_nmissed_count(p);
+			prepare_singlestep(p, regs);
+			kcb->kprobe_status = KPROBE_REENTER;
+			return 1;
+		} else {
+			p = __get_cpu_var(current_kprobe);
+			if (p->break_handler && p->break_handler(p, regs)) {
+				goto ss_probe;
+			}
+		}
+		goto no_kprobe;
+	}
+
+	p = get_kprobe(addr);
+	if (!p) {
+		/* Not one of ours: let kernel handle it */
+		goto no_kprobe;
+	}
+
+	set_current_kprobe(p, regs, kcb);
+	kcb->kprobe_status = KPROBE_HIT_ACTIVE;
+
+	if (p->pre_handler && p->pre_handler(p, regs))
+		/* handler has already set things up, so skip ss setup */
+		return 1;
+
+      ss_probe:
+	prepare_singlestep(p, regs);
+	kcb->kprobe_status = KPROBE_HIT_SS;
+	return 1;
+
+      no_kprobe:
+	preempt_enable_no_resched();
+	return ret;
+}
+
+/*
+ * For function-return probes, init_kprobes() establishes a probepoint
+ * here. When a retprobed function returns, this probe is hit and
+ * trampoline_probe_handler() runs, calling the kretprobe's handler.
+ */
+void kretprobe_trampoline_holder(void)
+{
+	asm volatile ("kretprobe_trampoline: \n" "nop\n");
+}
+
+/*
+ * Called when we hit the probe point at kretprobe_trampoline
+ */
+int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct kretprobe_instance *ri = NULL;
+	struct hlist_head *head, empty_rp;
+	struct hlist_node *node, *tmp;
+	unsigned long flags, orig_ret_address = 0;
+	unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
+
+	INIT_HLIST_HEAD(&empty_rp);
+	kretprobe_hash_lock(current, &head, &flags);
+
+	/*
+	 * It is possible to have multiple instances associated with a given
+	 * task either because an multiple functions in the call path
+	 * have a return probe installed on them, and/or more then one return
+	 * return probe was registered for a target function.
+	 *
+	 * We can handle this because:
+	 *     - instances are always inserted at the head of the list
+	 *     - when multiple return probes are registered for the same
+	 *       function, the first instance's ret_addr will point to the
+	 *       real return address, and all the rest will point to
+	 *       kretprobe_trampoline
+	 */
+	hlist_for_each_entry_safe(ri, node, tmp, head, hlist) {
+		if (ri->task != current)
+			/* another task is sharing our hash bucket */
+			continue;
+
+		if (ri->rp && ri->rp->handler) {
+			__get_cpu_var(current_kprobe) = &ri->rp->kp;
+			ri->rp->handler(ri, regs);
+			__get_cpu_var(current_kprobe) = NULL;
+		}
+
+		orig_ret_address = (unsigned long)ri->ret_addr;
+		recycle_rp_inst(ri, &empty_rp);
+
+		if (orig_ret_address != trampoline_address)
+			/*
+			 * This is the real return address. Any other
+			 * instances associated with this task are for
+			 * other calls deeper on the call stack
+			 */
+			break;
+	}
+
+	kretprobe_assert(ri, orig_ret_address, trampoline_address);
+
+	regs->pc = orig_ret_address;
+	kretprobe_hash_unlock(current, &flags);
+
+	preempt_enable_no_resched();
+
+	hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {
+		hlist_del(&ri->hlist);
+		kfree(ri);
+	}
+
+	return orig_ret_address;
+}
+
+static inline int post_kprobe_handler(struct pt_regs *regs)
+{
+	struct kprobe *cur = kprobe_running();
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	kprobe_opcode_t *addr = NULL;
+	struct kprobe *p = NULL;
+
+	if (!cur)
+		return 0;
+
+	if ((kcb->kprobe_status != KPROBE_REENTER) && cur->post_handler) {
+		kcb->kprobe_status = KPROBE_HIT_SSDONE;
+		cur->post_handler(cur, regs, 0);
+	}
+
+	if (saved_next_opcode.addr != 0x0) {
+		arch_disarm_kprobe(&saved_next_opcode);
+		saved_next_opcode.addr = 0x0;
+		saved_next_opcode.opcode = 0x0;
+
+		addr = saved_current_opcode.addr;
+		saved_current_opcode.addr = 0x0;
+
+		p = get_kprobe(addr);
+		arch_arm_kprobe(p);
+
+		if (saved_next_opcode2.addr != 0x0) {
+			arch_disarm_kprobe(&saved_next_opcode2);
+			saved_next_opcode2.addr = 0x0;
+			saved_next_opcode2.opcode = 0x0;
+		}
+	}
+
+	/*Restore back the original saved kprobes variables and continue. */
+	if (kcb->kprobe_status == KPROBE_REENTER) {
+		restore_previous_kprobe(kcb);
+		goto out;
+	}
+	reset_current_kprobe();
+
+      out:
+	preempt_enable_no_resched();
+
+	return 1;
+}
+
+static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+{
+	struct kprobe *cur = kprobe_running();
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	const struct exception_table_entry *entry;
+
+	switch (kcb->kprobe_status) {
+	case KPROBE_HIT_SS:
+	case KPROBE_REENTER:
+		/*
+		 * We are here because the instruction being single
+		 * stepped caused a page fault. We reset the current
+		 * kprobe, point the pc back to the probe address
+		 * and allow the page fault handler to continue as a
+		 * normal page fault.
+		 */
+		regs->pc = (unsigned long)cur->addr;
+		if (kcb->kprobe_status == KPROBE_REENTER)
+			restore_previous_kprobe(kcb);
+		else
+			reset_current_kprobe();
+		preempt_enable_no_resched();
+		break;
+	case KPROBE_HIT_ACTIVE:
+	case KPROBE_HIT_SSDONE:
+		/*
+		 * We increment the nmissed count for accounting,
+		 * we can also use npre/npostfault count for accounting
+		 * these specific fault cases.
+		 */
+		kprobes_inc_nmissed_count(cur);
+
+		/*
+		 * We come here because instructions in the pre/post
+		 * handler caused the page_fault, this could happen
+		 * if handler tries to access user space by
+		 * copy_from_user(), get_user() etc. Let the
+		 * user-specified handler try to fix it first.
+		 */
+		if (cur->fault_handler && cur->fault_handler(cur, regs, trapnr))
+			return 1;
+
+		/*
+		 * In case the user-specified fault handler returned
+		 * zero, try to fix up.
+		 */
+		if ((entry = search_exception_tables(regs->pc)) != NULL) {
+			regs->pc = entry->fixup;
+			return 1;
+		}
+
+		/*
+		 * fixup_exception() could not handle it,
+		 * Let do_page_fault() fix it.
+		 */
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+/*
+ * Wrapper routine to for handling exceptions.
+ */
+int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
+				       unsigned long val, void *data)
+{
+	struct kprobe *p = NULL;
+	struct die_args *args = (struct die_args *)data;
+	int ret = NOTIFY_DONE;
+	kprobe_opcode_t *addr = NULL;
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+	addr = (kprobe_opcode_t *) (args->regs->pc);
+	if (val == DIE_TRAP) {
+		if (!kprobe_running()) {
+			if (kprobe_handler(args->regs)) {
+				ret = NOTIFY_STOP;
+			} else {
+				/* Not a kprobe trap */
+				force_sig(SIGTRAP, current);
+			}
+		} else {
+			p = get_kprobe(addr);
+			if ((kcb->kprobe_status == KPROBE_HIT_SS) ||
+			    (kcb->kprobe_status == KPROBE_REENTER)) {
+				if (post_kprobe_handler(args->regs))
+					ret = NOTIFY_STOP;
+			} else {
+				if (kprobe_handler(args->regs)) {
+					ret = NOTIFY_STOP;
+				} else {
+					p = __get_cpu_var(current_kprobe);
+					if (p->break_handler
+					    && p->break_handler(p, args->regs))
+						ret = NOTIFY_STOP;
+				}
+			}
+		}
+	}
+
+	return ret;
+}
+
+int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct jprobe *jp = container_of(p, struct jprobe, kp);
+	unsigned long addr;
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+	kcb->jprobe_saved_regs = *regs;
+	kcb->jprobe_saved_r15 = regs->regs[15];
+	addr = kcb->jprobe_saved_r15;
+
+	/*
+	 * TBD: As Linus pointed out, gcc assumes that the callee
+	 * owns the argument space and could overwrite it, e.g.
+	 * tailcall optimization. So, to be absolutely safe
+	 * we also save and restore enough stack bytes to cover
+	 * the argument area.
+	 */
+	memcpy(kcb->jprobes_stack, (kprobe_opcode_t *) addr,
+	       MIN_STACK_SIZE(addr));
+
+	regs->pc = (unsigned long)(jp->entry);
+
+	return 1;
+}
+
+void __kprobes jprobe_return(void)
+{
+	__asm("trapa #-1\n\t" "jprobe_return_end:\n\t" "nop\n\t");
+
+}
+
+int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	u8 *addr = (u8 *) regs->pc;
+	unsigned long stack_addr = kcb->jprobe_saved_r15;
+
+	if ((addr >= (u8 *) jprobe_return)
+	    && (addr <= (u8 *) jprobe_return_end)) {
+		*regs = kcb->jprobe_saved_regs;
+
+		memcpy((kprobe_opcode_t *) stack_addr, kcb->jprobes_stack,
+		       MIN_STACK_SIZE(stack_addr));
+
+		kcb->kprobe_status = KPROBE_HIT_SS;
+		return 1;
+	}
+	return 0;
+}
+
+static struct kprobe trampoline_p = {
+	.addr = (kprobe_opcode_t *) &kretprobe_trampoline,
+	.pre_handler = trampoline_probe_handler
+};
+
+int __init arch_init_kprobes(void)
+{
+	saved_next_opcode.addr = 0x0;
+	saved_next_opcode.opcode = 0x0;
+
+	saved_current_opcode.addr = 0x0;
+	saved_current_opcode.opcode = 0x0;
+
+	saved_next_opcode2.addr = 0x0;
+	saved_next_opcode2.opcode = 0x0;
+
+	return register_kprobe(&trampoline_p);
+}
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 4901f673216..862667a341f 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -26,6 +26,7 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/fpu.h>
+#include <asm/kprobes.h>
 
 #ifdef CONFIG_SH_KGDB
 #include <asm/kgdb.h>
@@ -743,6 +744,10 @@ asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
 	unsigned long error_code;
 	struct task_struct *tsk = current;
+
+	if (kprobe_handle_illslot(regs->pc) == 0)
+		return;
+
 #ifdef CONFIG_SH_FPU_EMU
 	unsigned short inst = 0;
 
-- 
GitLab


From 6907e6a601a4fd442535d977886bbd3761aa2b56 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 5 Sep 2008 17:27:37 +0900
Subject: [PATCH 0102/2224] sh: Add the rest of the boot targets to
 arch/sh/boot/.gitignore.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boot/.gitignore | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/sh/boot/.gitignore b/arch/sh/boot/.gitignore
index b6718de2369..aad5edddf93 100644
--- a/arch/sh/boot/.gitignore
+++ b/arch/sh/boot/.gitignore
@@ -1 +1,4 @@
 zImage
+vmlinux.srec
+uImage
+uImage.srec
-- 
GitLab


From 205a3b4328de1c8ddd99ddd5092bed1344068213 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 5 Sep 2008 18:00:29 +0900
Subject: [PATCH 0103/2224] sh: uninline flush_icache_all().

This uses jump_to_uncached() which is now given the noinline attribute
due to the special section mapping. Kill off the inline attribute to
fix up compilation failure.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/cache-sh4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 1fdc8d90254..5cfe08dbb59 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -261,7 +261,7 @@ void flush_dcache_page(struct page *page)
 }
 
 /* TODO: Selective icache invalidation through IC address array.. */
-static inline void __uses_jump_to_uncached flush_icache_all(void)
+static void __uses_jump_to_uncached flush_icache_all(void)
 {
 	unsigned long flags, ccr;
 
-- 
GitLab


From 53abf911fa6753dfbd6775ae541fb2f8b9f5b825 Mon Sep 17 00:00:00 2001
From: Luca Santini <luca.santini@spesonline.com>
Date: Mon, 8 Sep 2008 11:54:56 +0900
Subject: [PATCH 0104/2224] sh: Enable IRLM mode for SH7760 IRQ_MODE_IRQ.

Follows the same setting as SH7750.

Signed-off-by: Luca Santini <luca.santini@spesonline.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4/setup-sh7760.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index 254c5c55ab9..d9bdc931ac0 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/serial_sci.h>
+#include <linux/io.h>
 
 enum {
 	UNUSED = 0,
@@ -178,10 +179,14 @@ static int __init sh7760_devices_setup(void)
 }
 __initcall(sh7760_devices_setup);
 
+#define INTC_ICR	0xffd00000UL
+#define INTC_ICR_IRLM	(1 << 7)
+
 void __init plat_irq_setup_pins(int mode)
 {
 	switch (mode) {
 	case IRQ_MODE_IRQ:
+		ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
 		register_intc_controller(&intc_desc_irq);
 		break;
 	default:
-- 
GitLab


From 3db9170880241d63aae7ab86a03aa15418c3e5c6 Mon Sep 17 00:00:00 2001
From: Luca Santini <luca.santini@spesonline.com>
Date: Mon, 8 Sep 2008 12:01:15 +0900
Subject: [PATCH 0105/2224] sh: Add Renesas EDOSK7760 board support.

This adds support for the Renesas (RTE) EDOSK7760 board. Currently
supported devices are:

	 - ramdisk support
	 - ethernet support
	 - nfs support
	 - ext2/ext3 support
	 - i2c support
	 - fb support (M)

Signed-off-by: Luca Santini <luca.santini@spesonline.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/Kconfig              |    7 +
 arch/sh/boards/Makefile             |    1 +
 arch/sh/boards/board-edosk7760.c    |  144 ++++
 arch/sh/configs/edosk7760_defconfig | 1050 +++++++++++++++++++++++++++
 4 files changed, 1202 insertions(+)
 create mode 100644 arch/sh/boards/board-edosk7760.c
 create mode 100644 arch/sh/configs/edosk7760_defconfig

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index ae194869fd6..c6b21e82755 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -184,6 +184,13 @@ config SH_EDOSK7705
 	bool "EDOSK7705"
 	depends on CPU_SUBTYPE_SH7705
 
+config SH_EDOSK7760
+	bool "EDOSK7760"
+	depends on CPU_SUBTYPE_SH7760
+	help
+	  Select if configuring for a Renesas EDOSK7760
+	  evaluation board.
+
 config SH_SH4202_MICRODEV
 	bool "SH4-202 MicroDev"
 	depends on CPU_SUBTYPE_SH4_202
diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile
index 463022c7df3..d9efa392372 100644
--- a/arch/sh/boards/Makefile
+++ b/arch/sh/boards/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_SH_MAGIC_PANEL_R2)	+= board-magicpanelr2.o
 obj-$(CONFIG_SH_RSK7203)	+= board-rsk7203.o
 obj-$(CONFIG_SH_SH7785LCR)	+= board-sh7785lcr.o
 obj-$(CONFIG_SH_SHMIN)		+= board-shmin.o
+obj-$(CONFIG_SH_EDOSK7760)	+= board-edosk7760.o
diff --git a/arch/sh/boards/board-edosk7760.c b/arch/sh/boards/board-edosk7760.c
new file mode 100644
index 00000000000..7cc5e114352
--- /dev/null
+++ b/arch/sh/boards/board-edosk7760.c
@@ -0,0 +1,144 @@
+/*
+ * Renesas Europe EDOSK7760 Board Support
+ *
+ * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
+ * Author: Luca Santini <luca.santini@spesonline.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/smc91x.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <asm/machvec.h>
+#include <asm/io.h>
+#include <asm/addrspace.h>
+#include <asm/delay.h>
+#include <asm/i2c-sh7760.h>
+
+/* Bus state controller registers for CS4 area */
+#define BSC_CS4BCR	0xA4FD0010
+#define BSC_CS4WCR	0xA4FD0030
+
+#define SMC_IOBASE	0xA2000000
+#define SMC_IO_OFFSET	0x300
+#define SMC_IOADDR	(SMC_IOBASE + SMC_IO_OFFSET)
+
+#define ETHERNET_IRQ	5
+
+/* i2c initialization functions */
+static struct sh7760_i2c_platdata i2c_pd = {
+	.speed_khz	= 400,
+};
+
+static struct resource sh7760_i2c1_res[] = {
+	{
+		.start	= SH7760_I2C1_MMIO,
+		.end	= SH7760_I2C1_MMIOEND,
+		.flags	= IORESOURCE_MEM,
+	},{
+		.start	= SH7760_I2C1_IRQ,
+		.end	= SH7760_I2C1_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sh7760_i2c1_dev = {
+	.dev    = {
+		.platform_data	= &i2c_pd,
+	},
+
+	.name		= SH7760_I2C_DEVNAME,
+	.id		= 1,
+	.resource	= sh7760_i2c1_res,
+	.num_resources	= ARRAY_SIZE(sh7760_i2c1_res),
+};
+
+static struct resource sh7760_i2c0_res[] = {
+	{
+		.start	= SH7760_I2C0_MMIO,
+		.end	= SH7760_I2C0_MMIOEND,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= SH7760_I2C0_IRQ,
+		.end	= SH7760_I2C0_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sh7760_i2c0_dev = {
+	.dev    = {
+		.platform_data	= &i2c_pd,
+	},
+	.name		= SH7760_I2C_DEVNAME,
+	.id		= 0,
+	.resource	= sh7760_i2c0_res,
+	.num_resources	= ARRAY_SIZE(sh7760_i2c0_res),
+};
+
+/* eth initialization functions */
+static struct smc91x_platdata smc91x_info = {
+	.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
+};
+
+static struct resource smc91x_res[] = {
+	[0] = {
+		.start	= SMC_IOADDR,
+		.end	= SMC_IOADDR + 0x1f,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= ETHERNET_IRQ,
+		.end	= ETHERNET_IRQ,
+		.flags	= IORESOURCE_IRQ ,
+	}
+};
+
+static struct platform_device smc91x_dev = {
+	.name		= "smc91x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(smc91x_res),
+	.resource	= smc91x_res,
+
+	.dev	= {
+		.platform_data	= &smc91x_info,
+	},
+};
+
+/* platform init code */
+static struct platform_device *edosk7760_devices[] __initdata = {
+	&sh7760_i2c0_dev,
+	&sh7760_i2c1_dev,
+	&smc91x_dev,
+};
+
+static int __init init_edosk7760_devices(void)
+{
+	plat_irq_setup_pins(IRQ_MODE_IRQ);
+
+	return platform_add_devices(edosk7760_devices,
+				    ARRAY_SIZE(edosk7760_devices));
+}
+__initcall(init_edosk7760_devices);
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_edosk7760 __initmv = {
+	.mv_name	= "EDOSK7760",
+	.mv_nr_irqs	= 128,
+};
diff --git a/arch/sh/configs/edosk7760_defconfig b/arch/sh/configs/edosk7760_defconfig
new file mode 100644
index 00000000000..f8ec32a5d4a
--- /dev/null
+++ b/arch/sh/configs/edosk7760_defconfig
@@ -0,0 +1,1050 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26
+# Tue Aug 26 11:36:09 2008
+#
+CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
+CONFIG_ARCH_SUPPORTS_AOUT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION="_edosk7760"
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_HAVE_KPROBES is not set
+# CONFIG_HAVE_KRETPROBES is not set
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System type
+#
+CONFIG_CPU_SH4=y
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+CONFIG_CPU_SUBTYPE_SH7760=y
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
+# CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
+
+#
+# Memory management options
+#
+CONFIG_QUICKLIST=y
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_MEMORY_START=0x0c000000
+CONFIG_MEMORY_SIZE=0x04000000
+CONFIG_29BIT=y
+CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_STATIC=y
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_SH_FPU=y
+CONFIG_SH_STORE_QUEUES=y
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
+
+#
+# Board support
+#
+CONFIG_SH_EDOSK7760=y
+
+#
+# Timer and clock configuration
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_TIMER_IRQ=16
+CONFIG_SH_PCLK_FREQ=33333333
+CONFIG_TICK_ONESHOT=y
+# CONFIG_NO_HZ is not set
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+CONFIG_SH_DMA_API=y
+CONFIG_SH_DMA=y
+CONFIG_NR_ONCHIP_DMA_CHANNELS=4
+# CONFIG_NR_DMA_CHANNELS_BOOL is not set
+# CONFIG_SH_DMABRG is not set
+
+#
+# Companion Chips
+#
+
+#
+# Additional SuperH Device Drivers
+#
+# CONFIG_HEARTBEAT is not set
+# CONFIG_PUSH_SWITCH is not set
+
+#
+# Kernel features
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+# CONFIG_KEXEC is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_PREEMPT_NONE is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_PREEMPT=y
+# CONFIG_PREEMPT_RCU is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x02000000
+# CONFIG_UBC_WAKEUP is not set
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="mem=64M console=ttySC2,115200 root=/dev/nfs rw nfsroot=192.168.0.3:/scripts/filesys ip=192.168.0.4"
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+CONFIG_DEBUG_DRIVER=y
+CONFIG_DEBUG_DEVRES=y
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+CONFIG_MTD_DEBUG=y
+CONFIG_MTD_DEBUG_VERBOSE=3
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_RAM=y
+CONFIG_MTD_ROM=y
+CONFIG_MTD_ABSENT=y
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0xA0000000
+CONFIG_MTD_PHYSMAP_LEN=0x01000000
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=26000
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_STNIC is not set
+# CONFIG_SMC9194 is not set
+CONFIG_SMC91X=y
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=3
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_PCA_PLATFORM is not set
+CONFIG_I2C_SH7760=y
+# CONFIG_I2C_SH_MOBILE is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+CONFIG_I2C_DEBUG_CORE=y
+CONFIG_I2C_DEBUG_ALGO=y
+CONFIG_I2C_DEBUG_BUS=y
+CONFIG_I2C_DEBUG_CHIP=y
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=m
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=m
+CONFIG_FB_CFB_COPYAREA=m
+CONFIG_FB_CFB_IMAGEBLIT=m
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+CONFIG_FB_TILEBLITTING=y
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_MB86290_640X480_16BPP is not set
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+# CONFIG_LOGO is not set
+
+#
+# Sound
+#
+CONFIG_SOUND=y
+
+#
+# Advanced Linux Sound Architecture
+#
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_VERBOSE_PROCFS is not set
+CONFIG_SND_VERBOSE_PRINTK=y
+# CONFIG_SND_DEBUG is not set
+
+#
+# Generic devices
+#
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# SUPERH devices
+#
+
+#
+# System on Chip audio support
+#
+CONFIG_SND_SOC=y
+
+#
+# SoC Audio support for SuperH
+#
+
+#
+# ALSA SoC audio for Freescale SOCs
+#
+
+#
+# SoC Audio for the Texas Instruments OMAP
+#
+
+#
+# Open Sound System
+#
+# CONFIG_SOUND_PRIME is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_RTC_CLASS is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+# CONFIG_EXT2_FS_POSIX_ACL is not set
+# CONFIG_EXT2_FS_SECURITY is not set
+CONFIG_EXT2_FS_XIP=y
+CONFIG_FS_XIP=y
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+# CONFIG_NFS_V3 is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+CONFIG_NLS_ISO8859_15=y
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=y
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_UNUSED_SYMBOLS=y
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+CONFIG_TIMER_STATS=y
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+CONFIG_DEBUG_PREEMPT=y
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_FRAME_POINTER is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+# CONFIG_SH_STANDARD_BIOS is not set
+CONFIG_EARLY_SCIF_CONSOLE=y
+CONFIG_EARLY_SCIF_CONSOLE_PORT=0xffe80000
+CONFIG_EARLY_PRINTK=y
+# CONFIG_DEBUG_BOOTMEM is not set
+CONFIG_DEBUG_STACKOVERFLOW=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_4KSTACKS is not set
+# CONFIG_IRQSTACKS is not set
+# CONFIG_SH_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
-- 
GitLab


From 4ad06dd6f1ec745c5ee0e37ec26b1b817f88507a Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 12:01:55 +0900
Subject: [PATCH 0106/2224] sh: Add EDOSK7760 mach type.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/tools/mach-types | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 0a11cc08f0a..d4fb11f7e2e 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -30,6 +30,7 @@ HP6XX			SH_HP6XX
 DREAMCAST		SH_DREAMCAST
 SNAPGEAR		SH_SECUREEDGE5410
 EDOSK7705		SH_EDOSK7705
+EDOSK7760		SH_EDOSK7760
 SH4202_MICRODEV		SH_SH4202_MICRODEV
 SH03			SH_SH03
 LANDISK			SH_LANDISK
-- 
GitLab


From e7cb016e5a3163e2999d8715390d64eb46816655 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 12:02:17 +0900
Subject: [PATCH 0107/2224] sh: Mark kretprobe_trampoline_holder static and
 __used.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/kprobes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index c4f4a0923eb..ac6074942fd 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -277,7 +277,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
  * here. When a retprobed function returns, this probe is hit and
  * trampoline_probe_handler() runs, calling the kretprobe's handler.
  */
-void kretprobe_trampoline_holder(void)
+static void __used kretprobe_trampoline_holder(void)
 {
 	asm volatile ("kretprobe_trampoline: \n" "nop\n");
 }
-- 
GitLab


From fc63562ac2107dfa843f5288fe985fc6f0021c17 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 12:10:35 +0900
Subject: [PATCH 0108/2224] sh: Disable seccomp support by default.

This was initially checked in with a stupid default of y, while most
everyone is going to want to have this disabled anyways.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 334917a62ec..c5b08eb3770 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -496,7 +496,6 @@ config CRASH_DUMP
 config SECCOMP
 	bool "Enable seccomp to safely compute untrusted bytecode"
 	depends on PROC_FS
-	default y
 	help
 	  This kernel feature is useful for number crunching applications
 	  that may need to compute untrusted bytecode during their
-- 
GitLab


From 037c10a612e8b7461e33672fb3848807ac6e2346 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 12:22:47 +0900
Subject: [PATCH 0109/2224] sh: kprobes: Hook up kprobe_fault_handler() in the
 page fault path.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/kprobes.h |  3 +--
 arch/sh/kernel/kprobes.c      |  2 +-
 arch/sh/mm/fault_32.c         | 29 ++++++++++++++++++++++++++++-
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/arch/sh/include/asm/kprobes.h b/arch/sh/include/asm/kprobes.h
index 70fc629df90..756a5cd9637 100644
--- a/arch/sh/include/asm/kprobes.h
+++ b/arch/sh/include/asm/kprobes.h
@@ -6,8 +6,6 @@
 #include <linux/types.h>
 #include <linux/ptrace.h>
 
-struct pt_regs;
-
 typedef u16 kprobe_opcode_t;
 #define BREAKPOINT_INSTRUCTION	0xc3ff
 
@@ -48,6 +46,7 @@ struct kprobe_ctlblk {
 	struct prev_kprobe prev_kprobe;
 };
 
+extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
 extern int kprobe_exceptions_notify(struct notifier_block *self,
 				    unsigned long val, void *data);
 extern int kprobe_handle_illslot(unsigned long pc);
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index ac6074942fd..81a3725e515 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -393,7 +393,7 @@ static inline int post_kprobe_handler(struct pt_regs *regs)
 	return 1;
 }
 
-static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index e8efda9846b..659811c179e 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -2,7 +2,7 @@
  * Page fault handler for SH with an MMU.
  *
  *  Copyright (C) 1999  Niibe Yutaka
- *  Copyright (C) 2003 - 2007  Paul Mundt
+ *  Copyright (C) 2003 - 2008  Paul Mundt
  *
  *  Based on linux/arch/i386/mm/fault.c:
  *   Copyright (C) 1995  Linus Torvalds
@@ -21,6 +21,27 @@
 #include <asm/tlbflush.h>
 #include <asm/kgdb.h>
 
+#ifdef CONFIG_KPROBES
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
+{
+	int ret = 0;
+
+	if (!user_mode(regs)) {
+		preempt_disable();
+		if (kprobe_running() && kprobe_fault_handler(regs, trap))
+			ret = 1;
+		preempt_enable();
+	}
+
+	return ret;
+}
+#else
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
+{
+	return 0;
+}
+#endif
+
 /*
  * This routine handles page faults.  It determines the address,
  * and the problem, and then passes it off to one of the appropriate
@@ -37,6 +58,9 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 	int fault;
 	siginfo_t info;
 
+	if (notify_page_fault(regs, writeaccess))
+		return;
+
 #ifdef CONFIG_SH_KGDB
 	if (kgdb_nofault && kgdb_bus_err_hook)
 		kgdb_bus_err_hook();
@@ -269,6 +293,9 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
 	pte_t *pte;
 	pte_t entry;
 
+	if (notify_page_fault(regs, writeaccess))
+		return 0;
+
 #ifdef CONFIG_SH_KGDB
 	if (kgdb_nofault && kgdb_bus_err_hook)
 		kgdb_bus_err_hook();
-- 
GitLab


From 174b5c9923e0170c844e03d55a9f3fb3b329a8b7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 18:10:10 +0900
Subject: [PATCH 0110/2224] sh: kprobes: Use trapa #0x3a for breakpoint trap.

Not all parts support trapa #0xff, so use something within the debug trap
range that's accessible on all parts.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/kprobes.h | 2 +-
 arch/sh/kernel/kprobes.c      | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/sh/include/asm/kprobes.h b/arch/sh/include/asm/kprobes.h
index 756a5cd9637..6078d8e551d 100644
--- a/arch/sh/include/asm/kprobes.h
+++ b/arch/sh/include/asm/kprobes.h
@@ -7,7 +7,7 @@
 #include <linux/ptrace.h>
 
 typedef u16 kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION	0xc3ff
+#define BREAKPOINT_INSTRUCTION	0xc33a
 
 #define MAX_INSN_SIZE 16
 #define MAX_STACK_SIZE 64
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 81a3725e515..fdd049e9ad8 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -525,8 +525,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
 
 void __kprobes jprobe_return(void)
 {
-	__asm("trapa #-1\n\t" "jprobe_return_end:\n\t" "nop\n\t");
-
+	asm volatile ("trapa #0x3a\n\t" "jprobe_return_end:\n\t" "nop\n\t");
 }
 
 int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
-- 
GitLab


From ee386de77419f9fedf206d84c4d4b2de0ead5bcb Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 18:12:33 +0900
Subject: [PATCH 0111/2224] sh: kprobes: Default to NOTIFY_DONE for unhandled
 debug traps.

Presently this is doing a force_sig() SIGTRAP, which is already taken
care of in the generic code if no one asserts NOTIFY_STOP. Switch the
default return to NOTIFY_DONE in the case of unhandled traps, so that
the same trap may pass through to other users on the same die chain.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/kprobes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index fdd049e9ad8..75accf9b420 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -474,7 +474,7 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
 				ret = NOTIFY_STOP;
 			} else {
 				/* Not a kprobe trap */
-				force_sig(SIGTRAP, current);
+				ret = NOTIFY_DONE;
 			}
 		} else {
 			p = get_kprobe(addr);
-- 
GitLab


From 247bc6d2ae3e2de08529977952c7d085f9d562d4 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 18:14:50 +0900
Subject: [PATCH 0112/2224] sh: kprobes: Fix up a preemption imbalance on
 jprobe return.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/kprobes.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index 75accf9b420..f0e1c78d0bf 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -542,6 +542,7 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
 		       MIN_STACK_SIZE(stack_addr));
 
 		kcb->kprobe_status = KPROBE_HIT_SS;
+		preempt_enable_no_resched();
 		return 1;
 	}
 	return 0;
-- 
GitLab


From 734db3770de03fbe9ae4e78519a7d1678189788c Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 18:15:55 +0900
Subject: [PATCH 0113/2224] sh: kprobes: Fix up race against probe point
 removal.

Handle a corner case where another CPU or debugger removes the probe
point from underneath us.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/kprobes.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index f0e1c78d0bf..a478ba78e75 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -252,6 +252,17 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 	p = get_kprobe(addr);
 	if (!p) {
 		/* Not one of ours: let kernel handle it */
+		if (*(kprobe_opcode_t *)addr != BREAKPOINT_INSTRUCTION) {
+			/*
+			 * The breakpoint instruction was removed right
+			 * after we hit it. Another cpu has removed
+			 * either a probepoint or a debugger breakpoint
+			 * at this address. In either case, no further
+			 * handling of this interrupt is appropriate.
+			 */
+			ret = 1;
+		}
+
 		goto no_kprobe;
 	}
 
-- 
GitLab


From 4eb5845d6cbdb9bf03f563c22f3a54115121858f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 18:22:47 +0900
Subject: [PATCH 0114/2224] sh: kprobes: __kprobes annotations and formatting
 cleanups.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/kprobes.c | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index a478ba78e75..e357e3669a3 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -115,20 +115,20 @@ void __kprobes arch_remove_kprobe(struct kprobe *p)
 	}
 }
 
-static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
 	kcb->prev_kprobe.kp = kprobe_running();
 	kcb->prev_kprobe.status = kcb->kprobe_status;
 }
 
-static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
 	__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
 	kcb->kprobe_status = kcb->prev_kprobe.status;
 }
 
-static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
-				      struct kprobe_ctlblk *kcb)
+static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
+					 struct kprobe_ctlblk *kcb)
 {
 	__get_cpu_var(current_kprobe) = p;
 }
@@ -138,7 +138,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
  * on the next instruction, following branches. Two probes are set if the
  * branch is conditional.
  */
-static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
+static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
 {
 	kprobe_opcode_t *addr = NULL;
 	saved_current_opcode.addr = (kprobe_opcode_t *) (regs->pc);
@@ -273,12 +273,12 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 		/* handler has already set things up, so skip ss setup */
 		return 1;
 
-      ss_probe:
+ss_probe:
 	prepare_singlestep(p, regs);
 	kcb->kprobe_status = KPROBE_HIT_SS;
 	return 1;
 
-      no_kprobe:
+no_kprobe:
 	preempt_enable_no_resched();
 	return ret;
 }
@@ -358,7 +358,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
 	return orig_ret_address;
 }
 
-static inline int post_kprobe_handler(struct pt_regs *regs)
+static int __kprobes post_kprobe_handler(struct pt_regs *regs)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -391,14 +391,15 @@ static inline int post_kprobe_handler(struct pt_regs *regs)
 		}
 	}
 
-	/*Restore back the original saved kprobes variables and continue. */
+	/* Restore back the original saved kprobes variables and continue. */
 	if (kcb->kprobe_status == KPROBE_REENTER) {
 		restore_previous_kprobe(kcb);
 		goto out;
 	}
+
 	reset_current_kprobe();
 
-      out:
+out:
 	preempt_enable_no_resched();
 
 	return 1;
@@ -463,6 +464,7 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 	default:
 		break;
 	}
+
 	return 0;
 }
 
@@ -498,8 +500,8 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
 					ret = NOTIFY_STOP;
 				} else {
 					p = __get_cpu_var(current_kprobe);
-					if (p->break_handler
-					    && p->break_handler(p, args->regs))
+					if (p->break_handler &&
+					    p->break_handler(p, args->regs))
 						ret = NOTIFY_STOP;
 				}
 			}
@@ -542,25 +544,26 @@ void __kprobes jprobe_return(void)
 int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
 {
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
-	u8 *addr = (u8 *) regs->pc;
 	unsigned long stack_addr = kcb->jprobe_saved_r15;
+	u8 *addr = (u8 *)regs->pc;
 
-	if ((addr >= (u8 *) jprobe_return)
-	    && (addr <= (u8 *) jprobe_return_end)) {
+	if ((addr >= (u8 *)jprobe_return) &&
+	    (addr <= (u8 *)jprobe_return_end)) {
 		*regs = kcb->jprobe_saved_regs;
 
-		memcpy((kprobe_opcode_t *) stack_addr, kcb->jprobes_stack,
+		memcpy((kprobe_opcode_t *)stack_addr, kcb->jprobes_stack,
 		       MIN_STACK_SIZE(stack_addr));
 
 		kcb->kprobe_status = KPROBE_HIT_SS;
 		preempt_enable_no_resched();
 		return 1;
 	}
+
 	return 0;
 }
 
 static struct kprobe trampoline_p = {
-	.addr = (kprobe_opcode_t *) &kretprobe_trampoline,
+	.addr = (kprobe_opcode_t *)&kretprobe_trampoline,
 	.pre_handler = trampoline_probe_handler
 };
 
-- 
GitLab


From cf204fa797cf968de8043491cd469ad0321d0940 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 8 Sep 2008 20:47:42 +0900
Subject: [PATCH 0115/2224] sh: Derive calibrate_delay lpj from clk fwk.

All CPUs must have a sensible cpu_clk definition these days, which we can
safely use for deriving the preset loops_per_jiffy. The only odd one out
is SH-5, which hasn't been hammered in to the framework yet.

Based on the ST patch.

Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com>
Signed-off-by: Carl Shaw <carl.shaw@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig        |  3 ++-
 arch/sh/kernel/setup.c | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index c5b08eb3770..bbdcd6418ef 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -25,6 +25,7 @@ config SUPERH32
 
 config SUPERH64
 	def_bool y if CPU_SH5
+	select GENERIC_CALIBRATE_DELAY
 
 config ARCH_DEFCONFIG
 	string
@@ -57,7 +58,7 @@ config GENERIC_IRQ_PROBE
 	def_bool y
 
 config GENERIC_CALIBRATE_DELAY
-	def_bool y
+	bool
 
 config GENERIC_IOMAP
 	bool
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index fc098c8af05..267b344099c 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -27,6 +27,8 @@
 #include <linux/debugfs.h>
 #include <linux/crash_dump.h>
 #include <linux/mmzone.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/page.h>
@@ -180,6 +182,24 @@ static inline void __init reserve_crashkernel(void)
 {}
 #endif
 
+#ifndef CONFIG_GENERIC_CALIBRATE_DELAY
+void __cpuinit calibrate_delay(void)
+{
+	struct clk *clk = clk_get(NULL, "cpu_clk");
+
+	if (IS_ERR(clk))
+		panic("Need a sane CPU clock definition!");
+
+	loops_per_jiffy = (clk_get_rate(clk) >> 1) / HZ;
+
+	printk(KERN_INFO "Calibrating delay loop (skipped)... "
+			 "%lu.%02lu BogoMIPS PRESET (lpj=%lu)\n",
+			 loops_per_jiffy/(500000/HZ),
+			 (loops_per_jiffy/(5000/HZ)) % 100,
+			 loops_per_jiffy);
+}
+#endif
+
 void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
 						unsigned long end_pfn)
 {
-- 
GitLab


From 61098a086671e2d386104e562fb7cd97cc197d1b Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 9 Sep 2008 06:15:47 +0900
Subject: [PATCH 0116/2224] sh: Add R2D+ defconfig for qemu system emulator.

This adds a defconfig for the R2D+ target in the qemu system emulator.
Eventually it will be possible to simply use the r2d+ defconfig as it is.

Provided by Shin-ichiro KAWASAKI.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/configs/rts7751r2dplus_qemu_defconfig | 909 ++++++++++++++++++
 1 file changed, 909 insertions(+)
 create mode 100644 arch/sh/configs/rts7751r2dplus_qemu_defconfig

diff --git a/arch/sh/configs/rts7751r2dplus_qemu_defconfig b/arch/sh/configs/rts7751r2dplus_qemu_defconfig
new file mode 100644
index 00000000000..a72796c0293
--- /dev/null
+++ b/arch/sh/configs/rts7751r2dplus_qemu_defconfig
@@ -0,0 +1,909 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.27-rc2
+# Mon Aug 18 22:17:44 2008
+#
+CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_SYS_SUPPORTS_PCI=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
+CONFIG_IO_TRAPPED=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+# CONFIG_HOTPLUG is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=y
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
+# CONFIG_HAVE_IOREMAP_PROT is not set
+# CONFIG_HAVE_KPROBES is not set
+# CONFIG_HAVE_KRETPROBES is not set
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
+# CONFIG_HAVE_DMA_ATTRS is not set
+# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_CLK=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+# CONFIG_MODULE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System type
+#
+CONFIG_CPU_SH4=y
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+CONFIG_CPU_SUBTYPE_SH7751R=y
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
+# CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
+
+#
+# Memory management options
+#
+CONFIG_QUICKLIST=y
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_MEMORY_START=0x0c000000
+CONFIG_MEMORY_SIZE=0x04000000
+CONFIG_29BIT=y
+CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_STATIC=y
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
+CONFIG_SH_FPU=y
+# CONFIG_SH_STORE_QUEUES is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
+
+#
+# Board support
+#
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+CONFIG_SH_RTS7751R2D=y
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_TITAN is not set
+# CONFIG_SH_LBOX_RE2 is not set
+
+#
+# RTS7751R2D Board Revision
+#
+CONFIG_RTS7751R2D_PLUS=y
+# CONFIG_RTS7751R2D_1 is not set
+
+#
+# Timer and clock configuration
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_TIMER_IRQ=16
+CONFIG_SH_PCLK_FREQ=60000000
+# CONFIG_TICK_ONESHOT is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+
+#
+# Additional SuperH Device Drivers
+#
+CONFIG_HEARTBEAT=y
+# CONFIG_PUSH_SWITCH is not set
+
+#
+# Kernel features
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+# CONFIG_KEXEC is not set
+# CONFIG_CRASH_DUMP is not set
+CONFIG_SECCOMP=y
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00010000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+# CONFIG_UBC_WAKEUP is not set
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=tty0 console=ttySC0,115200 root=/dev/sda1 earlyprintk=serial"
+
+#
+# Bus options
+#
+# CONFIG_PCI is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+CONFIG_ATA=y
+# CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_MV is not set
+# CONFIG_PATA_PLATFORM is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_CONSOLE is not set
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=1
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=y
+# CONFIG_SPI_SH_SCI is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+CONFIG_MFD_SM501=y
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+CONFIG_DAB=y
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+CONFIG_VIDEO_OUTPUT_CONTROL=m
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_SH_MOBILE_LCDC=m
+CONFIG_FB_SM501=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+# CONFIG_LOGO_LINUX_CLUT224 is not set
+# CONFIG_LOGO_SUPERH_MONO is not set
+# CONFIG_LOGO_SUPERH_VGA16 is not set
+CONFIG_LOGO_SUPERH_CLUT224=y
+CONFIG_SOUND=y
+CONFIG_SND=m
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_DRIVERS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+CONFIG_SND_SPI=y
+CONFIG_SND_SUPERH=y
+# CONFIG_SND_SOC is not set
+CONFIG_SOUND_PRIME=m
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+CONFIG_RTC_DRV_R9701=y
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_RTC_DRV_SH is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+CONFIG_MINIX_FS=y
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+# CONFIG_NLS_CODEPAGE_437 is not set
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+CONFIG_NLS_CODEPAGE_932=y
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+# CONFIG_NLS_ISO8859_1 is not set
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_FRAME_POINTER is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+# CONFIG_SH_STANDARD_BIOS is not set
+CONFIG_EARLY_SCIF_CONSOLE=y
+CONFIG_EARLY_SCIF_CONSOLE_PORT=0xffe80000
+CONFIG_EARLY_PRINTK=y
+# CONFIG_DEBUG_BOOTMEM is not set
+# CONFIG_DEBUG_STACKOVERFLOW is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_4KSTACKS is not set
+# CONFIG_IRQSTACKS is not set
+# CONFIG_SH_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=y
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
-- 
GitLab


From 6eb2139b3dc3e1c5181a7cdf83a517c57c34bb12 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 9 Sep 2008 08:13:28 +0900
Subject: [PATCH 0117/2224] sh: kprobes: kretprobe_trampoline needs to be
 global.

Needed by CONFIG_TRACING.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/kprobes.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c
index e357e3669a3..c96850b061f 100644
--- a/arch/sh/kernel/kprobes.c
+++ b/arch/sh/kernel/kprobes.c
@@ -290,7 +290,9 @@ no_kprobe:
  */
 static void __used kretprobe_trampoline_holder(void)
 {
-	asm volatile ("kretprobe_trampoline: \n" "nop\n");
+	asm volatile (".globl kretprobe_trampoline\n"
+		      "kretprobe_trampoline:\n\t"
+		      "nop\n");
 }
 
 /*
-- 
GitLab


From b21a91043592434e2847c4b552be7b51851d92c3 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 9 Sep 2008 23:02:43 +0200
Subject: [PATCH 0118/2224] sh: intc_prio_data() test before subtraction on
 unsigned

bit is unsigned, so test before subtraction

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/irq/intc.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/sh/kernel/cpu/irq/intc.c b/arch/sh/kernel/cpu/irq/intc.c
index 8c70e201bde..94536d358fe 100644
--- a/arch/sh/kernel/cpu/irq/intc.c
+++ b/arch/sh/kernel/cpu/irq/intc.c
@@ -464,9 +464,10 @@ static unsigned int __init intc_prio_data(struct intc_desc *desc,
 			}
 
 			fn += (pr->reg_width >> 3) - 1;
-			bit = pr->reg_width - ((j + 1) * pr->field_width);
 
-			BUG_ON(bit < 0);
+			BUG_ON((j + 1) * pr->field_width > pr->reg_width);
+
+			bit = pr->reg_width - ((j + 1) * pr->field_width);
 
 			return _INTC_MK(fn, mode,
 					intc_get_reg(d, reg_e),
@@ -531,9 +532,10 @@ static unsigned int __init intc_sense_data(struct intc_desc *desc,
 
 			fn = REG_FN_MODIFY_BASE;
 			fn += (sr->reg_width >> 3) - 1;
-			bit = sr->reg_width - ((j + 1) * sr->field_width);
 
-			BUG_ON(bit < 0);
+			BUG_ON((j + 1) * sr->field_width > sr->reg_width);
+
+			bit = sr->reg_width - ((j + 1) * sr->field_width);
 
 			return _INTC_MK(fn, 0, intc_get_reg(d, sr->reg),
 					0, sr->field_width, bit);
-- 
GitLab


From cc3c080d9f4484021e7b14f99de94a8c85a668d5 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Wed, 10 Sep 2008 19:22:44 +0200
Subject: [PATCH 0119/2224] sh_eth: unsigned ndev->irq cannot be negative

unsigned ndev->irq cannot be negative

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/net/sh_eth.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 1c370e6aa64..1a04814291c 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -1205,11 +1205,12 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
 		devno = 0;
 
 	ndev->dma = -1;
-	ndev->irq = platform_get_irq(pdev, 0);
-	if (ndev->irq < 0) {
+	ret = platform_get_irq(pdev, 0);
+	if (ret < 0) {
 		ret = -ENODEV;
 		goto out_release;
 	}
+	ndev->irq = ret;
 
 	SET_NETDEV_DEV(ndev, &pdev->dev);
 
-- 
GitLab


From 2641dc92b3c7f979c7e4820cff2e765664358982 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Wed, 10 Sep 2008 19:34:44 +0200
Subject: [PATCH 0120/2224] rtc-sh: Unsigned rtc->{periodic,carry,alarm}_irq
 cannot be negative

possibly since commit b420b1a7a17ea88531d0e12b2f2679a0c8365803

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/rtc/rtc-sh.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 1f88e9e914e..690a7800805 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -575,7 +575,7 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
 	struct sh_rtc *rtc;
 	struct resource *res;
 	unsigned int tmp;
-	int ret = -ENOENT;
+	int ret;
 
 	rtc = kzalloc(sizeof(struct sh_rtc), GFP_KERNEL);
 	if (unlikely(!rtc))
@@ -584,26 +584,33 @@ static int __devinit sh_rtc_probe(struct platform_device *pdev)
 	spin_lock_init(&rtc->lock);
 
 	/* get periodic/carry/alarm irqs */
-	rtc->periodic_irq = platform_get_irq(pdev, 0);
-	if (unlikely(rtc->periodic_irq < 0)) {
+	ret = platform_get_irq(pdev, 0);
+	if (unlikely(ret < 0)) {
+		ret = -ENOENT;
 		dev_err(&pdev->dev, "No IRQ for period\n");
 		goto err_badres;
 	}
+	rtc->periodic_irq = ret;
 
-	rtc->carry_irq = platform_get_irq(pdev, 1);
-	if (unlikely(rtc->carry_irq < 0)) {
+	ret = platform_get_irq(pdev, 1);
+	if (unlikely(ret < 0)) {
+		ret = -ENOENT;
 		dev_err(&pdev->dev, "No IRQ for carry\n");
 		goto err_badres;
 	}
+	rtc->carry_irq = ret;
 
-	rtc->alarm_irq = platform_get_irq(pdev, 2);
-	if (unlikely(rtc->alarm_irq < 0)) {
+	ret = platform_get_irq(pdev, 2);
+	if (unlikely(ret < 0)) {
+		ret = -ENOENT;
 		dev_err(&pdev->dev, "No IRQ for alarm\n");
 		goto err_badres;
 	}
+	rtc->alarm_irq = ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
 	if (unlikely(res == NULL)) {
+		ret = -ENOENT;
 		dev_err(&pdev->dev, "No IO resource\n");
 		goto err_badres;
 	}
-- 
GitLab


From 3bd012060f962567aadb52b27b2fc8fdc91102c7 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 8 Sep 2008 08:58:59 -0700
Subject: [PATCH 0121/2224] hrtimer: make the nanosleep() syscall use the per
 process slack

This patch makes the nanosleep() system call use the per process
slack value; with this users are able to externally control existing
applications to reduce the wakeup rate.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 kernel/hrtimer.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index a0222097c57..9a4c9018556 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1563,9 +1563,14 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
 	struct restart_block *restart;
 	struct hrtimer_sleeper t;
 	int ret = 0;
+	unsigned long slack;
+
+	slack = current->timer_slack_ns;
+	if (rt_task(current))
+		slack = 0;
 
 	hrtimer_init_on_stack(&t.timer, clockid, mode);
-	hrtimer_set_expires(&t.timer, timespec_to_ktime(*rqtp));
+	hrtimer_set_expires_range_ns(&t.timer, timespec_to_ktime(*rqtp), slack);
 	if (do_nanosleep(&t, mode))
 		goto out;
 
-- 
GitLab


From ae4b748e81b7e366f04f55229d5e372e372c33af Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 8 Sep 2008 09:03:57 -0700
Subject: [PATCH 0122/2224] hrtimer: make the futex() system call use the per
 process slack value

This patch makes the futex() system call use the per process
slack value; with this users are able to externally control existing
applications to reduce the wakeup rate.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 kernel/futex.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index 4cd5b4319b0..8af10027514 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1296,10 +1296,14 @@ static int futex_wait(u32 __user *uaddr, struct rw_semaphore *fshared,
 		if (!abs_time)
 			schedule();
 		else {
+			unsigned long slack;
+			slack = current->timer_slack_ns;
+			if (rt_task(current))
+				slack = 0;
 			hrtimer_init_on_stack(&t.timer, CLOCK_MONOTONIC,
 						HRTIMER_MODE_ABS);
 			hrtimer_init_sleeper(&t, current);
-			hrtimer_set_expires(&t.timer, *abs_time);
+			hrtimer_set_expires_range_ns(&t.timer, *abs_time, slack);
 
 			hrtimer_start_expires(&t.timer, HRTIMER_MODE_ABS);
 			if (!hrtimer_active(&t.timer))
-- 
GitLab


From 2e94d1f71f7e4404d997e6fb4f1618aa147d76f9 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Wed, 10 Sep 2008 16:06:00 -0700
Subject: [PATCH 0123/2224] hrtimer: peek at the timer queue just before going
 idle

As part of going idle, we already look at the time of the next timer event to determine
which C-state to select etc.

This patch adds functionality that causes the timers that are past their
soft expire time, to fire at this time, before we calculate the next wakeup
time. This functionality will thus avoid wakeups by running timers before
going idle rather than specially waking up for it.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 drivers/cpuidle/cpuidle.c |  7 +++++++
 include/linux/hrtimer.h   |  5 +++++
 kernel/hrtimer.c          | 30 ++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 5ce07b517c5..2e314849936 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -16,6 +16,7 @@
 #include <linux/cpu.h>
 #include <linux/cpuidle.h>
 #include <linux/ktime.h>
+#include <linux/hrtimer.h>
 
 #include "cpuidle.h"
 
@@ -60,6 +61,12 @@ static void cpuidle_idle_call(void)
 		return;
 	}
 
+	/*
+	 * run any timers that can be run now, at this point
+	 * before calculating the idle duration etc.
+	 */
+	hrtimer_peek_ahead_timers();
+
 	/* ask the governor for the next state */
 	next_state = cpuidle_curr_governor->select(dev);
 	if (need_resched())
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 95db11f62ff..d93b1e1dc16 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -326,6 +326,11 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 extern ktime_t ktime_get(void);
 extern ktime_t ktime_get_real(void);
 
+
+DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
+extern void hrtimer_peek_ahead_timers(void);
+
+
 /* Exported timer functions: */
 
 /* Initialize timers: */
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 9a4c9018556..eb2cf984959 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1381,6 +1381,36 @@ void hrtimer_interrupt(struct clock_event_device *dev)
 		raise_softirq(HRTIMER_SOFTIRQ);
 }
 
+/**
+ * hrtimer_peek_ahead_timers -- run soft-expired timers now
+ *
+ * hrtimer_peek_ahead_timers will peek at the timer queue of
+ * the current cpu and check if there are any timers for which
+ * the soft expires time has passed. If any such timers exist,
+ * they are run immediately and then removed from the timer queue.
+ *
+ */
+void hrtimer_peek_ahead_timers(void)
+{
+	unsigned long flags;
+	struct tick_device *td;
+	struct clock_event_device *dev;
+
+	if (hrtimer_hres_active())
+		return;
+
+	local_irq_save(flags);
+	td = &__get_cpu_var(tick_cpu_device);
+	if (!td)
+		goto out;
+	dev = td->evtdev;
+	if (!dev)
+		goto out;
+	hrtimer_interrupt(dev);
+out:
+	local_irq_restore(flags);
+}
+
 static void run_hrtimer_softirq(struct softirq_action *h)
 {
 	run_hrtimer_pending(&__get_cpu_var(hrtimer_bases));
-- 
GitLab


From 4018ffcfdf84faf17fbadcd29ea5eced26f9d9cb Mon Sep 17 00:00:00 2001
From: Luca Santini <luca.santini@spesonline.com>
Date: Fri, 12 Sep 2008 18:07:16 +0900
Subject: [PATCH 0124/2224] sh: edosk7760 physmap-flash support.

Signed-off-by: Luca Santini <luca.santini@spesonline.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-edosk7760.c | 50 +++++++++++++++++++++++++++++++-
 1 file changed, 49 insertions(+), 1 deletion(-)

diff --git a/arch/sh/boards/board-edosk7760.c b/arch/sh/boards/board-edosk7760.c
index 7cc5e114352..4890ba7961a 100644
--- a/arch/sh/boards/board-edosk7760.c
+++ b/arch/sh/boards/board-edosk7760.c
@@ -24,6 +24,7 @@
 #include <linux/smc91x.h>
 #include <linux/interrupt.h>
 #include <linux/i2c.h>
+#include <linux/mtd/physmap.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
 #include <asm/addrspace.h>
@@ -40,6 +41,52 @@
 
 #define ETHERNET_IRQ	5
 
+/* NOR flash */
+static struct mtd_partition edosk7760_nor_flash_partitions[] = {
+	{
+		.name = "bootloader",
+		.offset = 0,
+		.size = (1 * 1024 * 1024), /*1MB*/
+		.mask_flags = MTD_WRITEABLE,	/* Read-only */
+	}, {
+		.name = "kernel",
+		.offset = MTDPART_OFS_APPEND,
+		.size = (2 * 1024 * 1024), /*2MB*/
+	}, {
+		.name = "fs",
+		.offset = MTDPART_OFS_APPEND,
+		.size = (26 * 1024 * 1024),
+	}, {
+		.name = "other",
+		.offset = MTDPART_OFS_APPEND,
+		.size = MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data edosk7760_nor_flash_data = {
+	.width		= 4,
+	.parts		= edosk7760_nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(edosk7760_nor_flash_partitions),
+};
+
+static struct resource edosk7760_nor_flash_resources[] = {
+	[0] = {
+		.name	= "NOR Flash",
+		.start	= 0x00000000,
+		.end	= (32 * 1024 * 1024) -1,	/* 32MB*/
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device edosk7760_nor_flash_device = {
+	.name		= "physmap-flash",
+	.resource	= edosk7760_nor_flash_resources,
+	.num_resources	= ARRAY_SIZE(edosk7760_nor_flash_resources),
+	.dev		= {
+		.platform_data = &edosk7760_nor_flash_data,
+	},
+};
+
 /* i2c initialization functions */
 static struct sh7760_i2c_platdata i2c_pd = {
 	.speed_khz	= 400,
@@ -121,9 +168,10 @@ static struct platform_device smc91x_dev = {
 
 /* platform init code */
 static struct platform_device *edosk7760_devices[] __initdata = {
+	&smc91x_dev,
+	&edosk7760_nor_flash_device,
 	&sh7760_i2c0_dev,
 	&sh7760_i2c1_dev,
-	&smc91x_dev,
 };
 
 static int __init init_edosk7760_devices(void)
-- 
GitLab


From 1b582d19ce9e14bf5bbc36688bf818b3c42574da Mon Sep 17 00:00:00 2001
From: Luca Santini <luca.santini@spesonline.com>
Date: Fri, 12 Sep 2008 18:08:01 +0900
Subject: [PATCH 0125/2224] sh: update edosk7760 defconfig for physmap-flash.

Signed-off-by: Luca Santini <luca.santini@spesonline.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/configs/edosk7760_defconfig | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/sh/configs/edosk7760_defconfig b/arch/sh/configs/edosk7760_defconfig
index f8ec32a5d4a..bef07fa8d85 100644
--- a/arch/sh/configs/edosk7760_defconfig
+++ b/arch/sh/configs/edosk7760_defconfig
@@ -380,11 +380,11 @@ CONFIG_DEBUG_DEVRES=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 CONFIG_MTD_DEBUG=y
-CONFIG_MTD_DEBUG_VERBOSE=3
+CONFIG_MTD_DEBUG_VERBOSE=0
 CONFIG_MTD_CONCAT=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
-# CONFIG_MTD_CMDLINE_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_AR7_PARTS is not set
 
 #
@@ -411,16 +411,16 @@ CONFIG_MTD_CFI_NOSWAP=y
 # CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
 # CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
 CONFIG_MTD_CFI_GEOMETRY=y
-# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
 CONFIG_MTD_MAP_BANK_WIDTH_2=y
-# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
-# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
-# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
-# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+CONFIG_MTD_MAP_BANK_WIDTH_8=y
+CONFIG_MTD_MAP_BANK_WIDTH_16=y
+CONFIG_MTD_MAP_BANK_WIDTH_32=y
 CONFIG_MTD_CFI_I1=y
-# CONFIG_MTD_CFI_I2 is not set
-# CONFIG_MTD_CFI_I4 is not set
-# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_I2=y
+CONFIG_MTD_CFI_I4=y
+CONFIG_MTD_CFI_I8=y
 # CONFIG_MTD_OTP is not set
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_CFI_AMDSTD=y
@@ -435,9 +435,9 @@ CONFIG_MTD_ABSENT=y
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_PHYSMAP_START=0xA0000000
-CONFIG_MTD_PHYSMAP_LEN=0x01000000
-CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+CONFIG_MTD_PHYSMAP_START=0xffffffff
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=4
 # CONFIG_MTD_PLATRAM is not set
 
 #
-- 
GitLab


From 09558748464a9afafe2848a3ad4cfd509c9b0fb6 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 18:58:28 +0900
Subject: [PATCH 0126/2224] sh: Provide a fixed UTS_MACHINE definition for
 sh64.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 01d85c74481..0bc956012c3 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -76,8 +76,10 @@ KBUILD_IMAGE		:= $(defaultimage-y)
 # error messages during linking.
 #
 ifdef CONFIG_SUPERH32
+UTS_MACHINE	:= sh
 LDFLAGS_vmlinux	+= -e _stext
 else
+UTS_MACHINE	:= sh64
 LDFLAGS_vmlinux	+= --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
 		   --defsym phys_stext_shmedia=phys_stext+1 \
 		   -e phys_stext_shmedia
-- 
GitLab


From 934135c19d8a1be435bae75aefc09b8ae1698b16 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 19:52:36 +0900
Subject: [PATCH 0127/2224] sh: ptrace: Introduce user_regset interface for gp
 regs.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/elf.h    |   9 +++
 arch/sh/include/asm/ptrace.h |   8 ++-
 arch/sh/kernel/ptrace_32.c   | 116 ++++++++++++++++++++++++++++++-----
 3 files changed, 115 insertions(+), 18 deletions(-)

diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index f01449a8d37..455d9e1e143 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -108,6 +108,15 @@ typedef struct user_fpu_struct elf_fpregset_t;
 #define elf_check_fdpic(x)		((x)->e_flags & EF_SH_FDPIC)
 #define elf_check_const_displacement(x)	((x)->e_flags & EF_SH_PIC)
 
+#if defined(CONFIG_SUPERH32) && \
+	(!defined(CONFIG_SH_FPU) && !defined(CONFIG_SH_DSP))
+/*
+ * Enable dump using regset for general purpose registers, use this as
+ * the default once the FPU and DSP registers are moved over also.
+ */
+#define CORE_DUMP_USE_REGSET
+#endif
+
 #define USE_ELF_CORE_DUMP
 #define ELF_FDPIC_CORE_EFLAGS	EF_SH_FDPIC
 #define ELF_EXEC_PAGESIZE	PAGE_SIZE
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index b86aeabba61..bf73646e2d2 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -87,12 +87,18 @@ struct pt_dspregs {
 	unsigned long	mod;
 };
 
+#define PTRACE_GETREGS		12	/* General registers */
+#define PTRACE_SETREGS		13
+
+#define PTRACE_GETFPREGS	14	/* FPU registers */
+#define PTRACE_SETFPREGS	15
+
 #define PTRACE_GETFDPIC		31	/* get the ELF fdpic loadmap address */
 
 #define PTRACE_GETFDPIC_EXEC	0	/* [addr] request the executable loadmap */
 #define PTRACE_GETFDPIC_INTERP	1	/* [addr] request the interpreter loadmap */
 
-#define	PTRACE_GETDSPREGS	55
+#define	PTRACE_GETDSPREGS	55	/* DSP registers */
 #define	PTRACE_SETDSPREGS	56
 #endif
 
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 84bf3420597..5e3ba10255c 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -1,12 +1,14 @@
 /*
- * linux/arch/sh/kernel/ptrace.c
+ * SuperH process tracing
  *
- * Original x86 implementation:
- *	By Ross Biro 1/23/92
- *	edited by Linus Torvalds
+ * Copyright (C) 1999, 2000  Kaz Kojima & Niibe Yutaka
+ * Copyright (C) 2002 - 2008  Paul Mundt
  *
- * SuperH version:   Copyright (C) 1999, 2000  Kaz Kojima & Niibe Yutaka
- * Audit support: Yuichi Nakamura <ynakam@hitachisoft.jp>
+ * Audit support by Yuichi Nakamura <ynakam@hitachisoft.jp>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -22,6 +24,8 @@
 #include <linux/audit.h>
 #include <linux/seccomp.h>
 #include <linux/tracehook.h>
+#include <linux/elf.h>
+#include <linux/regset.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
@@ -29,11 +33,6 @@
 #include <asm/mmu_context.h>
 #include <asm/syscalls.h>
 
-/*
- * does not yet catch signals sent when the child dies.
- * in exit.c or in signal.c.
- */
-
 /*
  * This routine will get a word off of the process kernel stack.
  */
@@ -62,16 +61,12 @@ static inline int put_stack_long(struct task_struct *task, int offset,
 
 void user_enable_single_step(struct task_struct *child)
 {
-	struct pt_regs *regs = task_pt_regs(child);
-	long pc;
-
-	pc = get_stack_long(child, (long)&regs->pc);
-
 	/* Next scheduling will set up UBC */
 	if (child->thread.ubc_pc == 0)
 		ubc_usercnt += 1;
 
-	child->thread.ubc_pc = pc;
+	child->thread.ubc_pc = get_stack_long(child,
+				offsetof(struct pt_regs, pc));
 
 	set_tsk_thread_flag(child, TIF_SINGLESTEP);
 }
@@ -103,6 +98,83 @@ void ptrace_disable(struct task_struct *child)
 	user_disable_single_step(child);
 }
 
+static int genregs_get(struct task_struct *target,
+		       const struct user_regset *regset,
+		       unsigned int pos, unsigned int count,
+		       void *kbuf, void __user *ubuf)
+{
+	const struct pt_regs *regs = task_pt_regs(target);
+	int ret;
+
+	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+				  regs->regs,
+				  0, 16 * sizeof(unsigned long));
+	if (!ret)
+		/* PC, PR, SR, GBR, MACH, MACL, TRA */
+		ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+					  &regs->pc,
+					  offsetof(struct pt_regs, pc),
+					  sizeof(struct pt_regs));
+	if (!ret)
+		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
+					       sizeof(struct pt_regs), -1);
+
+	return ret;
+}
+
+static int genregs_set(struct task_struct *target,
+		       const struct user_regset *regset,
+		       unsigned int pos, unsigned int count,
+		       const void *kbuf, const void __user *ubuf)
+{
+	struct pt_regs *regs = task_pt_regs(target);
+	int ret;
+
+	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+				 regs->regs,
+				 0, 16 * sizeof(unsigned long));
+	if (!ret && count > 0)
+		ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+					 &regs->pc,
+					 offsetof(struct pt_regs, pc),
+					 sizeof(struct pt_regs));
+	if (!ret)
+		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+						sizeof(struct pt_regs), -1);
+
+	return ret;
+}
+
+/*
+ * These are our native regset flavours.
+ */
+enum sh_regset {
+	REGSET_GENERAL,
+};
+
+static const struct user_regset sh_regsets[] = {
+	/*
+	 * Format is:
+	 *	R0 --> R15
+	 *	PC, PR, SR, GBR, MACH, MACL, TRA
+	 */
+	[REGSET_GENERAL] = {
+		.core_note_type	= NT_PRSTATUS,
+		.n		= ELF_NGREG,
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.get		= genregs_get,
+		.set		= genregs_set,
+	},
+};
+
+static const struct user_regset_view user_sh_native_view = {
+	.name		= "sh",
+	.e_machine	= EM_SH,
+	.regsets	= sh_regsets,
+	.n		= ARRAY_SIZE(sh_regsets),
+};
+
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
 	struct user * dummy = NULL;
@@ -159,6 +231,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		}
 		break;
 
+	case PTRACE_GETREGS:
+		return copy_regset_to_user(child, &user_sh_native_view,
+					   REGSET_GENERAL,
+					   0, sizeof(struct pt_regs),
+					   (void __user *)data);
+	case PTRACE_SETREGS:
+		return copy_regset_from_user(child, &user_sh_native_view,
+					     REGSET_GENERAL,
+					     0, sizeof(struct pt_regs),
+					     (const void __user *)data);
 #ifdef CONFIG_SH_DSP
 	case PTRACE_GETDSPREGS: {
 		unsigned long dp;
-- 
GitLab


From cb700aa4f13d38726defab3060d3ebeaf67dc189 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 20:41:05 +0900
Subject: [PATCH 0128/2224] sh: ioremap_prot support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig               | 1 +
 arch/sh/include/asm/io.h      | 2 ++
 arch/sh/include/asm/page.h    | 2 ++
 arch/sh/include/asm/pgtable.h | 1 +
 4 files changed, 6 insertions(+)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index bbdcd6418ef..434183eb4f1 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -12,6 +12,7 @@ config SUPERH
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_GENERIC_DMA_COHERENT
+	select HAVE_IOREMAP_PROT
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index e49cfee95fb..1857666136f 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -347,6 +347,8 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
 	__ioremap_mode((offset), (size), _PAGE_CACHABLE)
 #define p3_ioremap(offset, size, flags)			\
 	__ioremap((offset), (size), (flags))
+#define ioremap_prot(offset, size, flags)		\
+	__ioremap_mode((offset), (size), (flags))
 #define iounmap(addr)					\
 	__iounmap((addr))
 
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 77fb8bf02e4..5871d78e47e 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -104,6 +104,8 @@ typedef struct { unsigned long pgd; } pgd_t;
 
 typedef struct page *pgtable_t;
 
+#define pte_pgprot(x) __pgprot(pte_val(x) & PTE_FLAGS_MASK)
+
 #endif /* !__ASSEMBLY__ */
 
 /*
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index a4a8f8b9346..52220d70a09 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -76,6 +76,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 #endif
 
 #define PTE_PHYS_MASK		(PHYS_ADDR_MASK & PAGE_MASK)
+#define PTE_FLAGS_MASK		(~(PTE_PHYS_MASK) << PAGE_SHIFT)
 
 #ifdef CONFIG_SUPERH32
 #define VMALLOC_START	(P3SEG)
-- 
GitLab


From f8b890ab4ca60c05b5621b267712709d329f7612 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:08:20 +0900
Subject: [PATCH 0129/2224] sh: Flag T-bit for syscall restart.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/signal_32.c | 53 ++++++++++++++++++++++----------------
 1 file changed, 31 insertions(+), 22 deletions(-)

diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 345de2f1d53..be194d0bd7d 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -490,37 +490,43 @@ give_sigsegv:
 	return -EFAULT;
 }
 
+static inline void
+handle_syscall_restart(unsigned long save_r0, struct pt_regs *regs,
+		       struct sigaction *sa)
+{
+	/* If we're not from a syscall, bail out */
+	if (regs->tra < 0)
+		return;
+
+	/* check for system call restart.. */
+	switch (regs->regs[0]) {
+		case -ERESTART_RESTARTBLOCK:
+		case -ERESTARTNOHAND:
+		no_system_call_restart:
+			regs->regs[0] = -EINTR;
+			regs->sr |= 1;
+			break;
+
+		case -ERESTARTSYS:
+			if (!(sa->sa_flags & SA_RESTART))
+				goto no_system_call_restart;
+		/* fallthrough */
+		case -ERESTARTNOINTR:
+			regs->regs[0] = save_r0;
+			regs->pc -= instruction_size(ctrl_inw(regs->pc - 4));
+			break;
+	}
+}
+
 /*
  * OK, we're invoking a handler
  */
-
 static int
 handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
 	      sigset_t *oldset, struct pt_regs *regs, unsigned int save_r0)
 {
 	int ret;
 
-	/* Are we from a system call? */
-	if (regs->tra >= 0) {
-		/* If so, check system call restarting.. */
-		switch (regs->regs[0]) {
-			case -ERESTART_RESTARTBLOCK:
-			case -ERESTARTNOHAND:
-			no_system_call_restart:
-				regs->regs[0] = -EINTR;
-				break;
-
-			case -ERESTARTSYS:
-				if (!(ka->sa.sa_flags & SA_RESTART))
-					goto no_system_call_restart;
-			/* fallthrough */
-			case -ERESTARTNOINTR:
-				regs->regs[0] = save_r0;
-				regs->pc -= instruction_size(
-						ctrl_inw(regs->pc - 4));
-				break;
-		}
-	}
 
 	/* Set up the stack frame */
 	if (ka->sa.sa_flags & SA_SIGINFO)
@@ -578,6 +584,9 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 	if (signr > 0) {
+		if (regs->sr & 1)
+			handle_syscall_restart(save_r0, regs, &ka.sa);
+
 		/* Whee!  Actually deliver the signal.  */
 		if (handle_signal(signr, &ka, &info, oldset,
 				  regs, save_r0) == 0) {
-- 
GitLab


From 9996b42ac06adb7555933366e071ec8824bcaa37 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:11:36 +0900
Subject: [PATCH 0130/2224] sh: provide user_stack_pointer(), needed for
 tracehook support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/processor_32.h | 2 ++
 arch/sh/include/asm/processor_64.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 41d23210583..1cd3a144c85 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -199,6 +199,8 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define KSTK_EIP(tsk)  (task_pt_regs(tsk)->pc)
 #define KSTK_ESP(tsk)  (task_pt_regs(tsk)->regs[15])
 
+#define user_stack_pointer(regs)	((regs)->regs[15])
+
 #define cpu_sleep()	__asm__ __volatile__ ("sleep" : : : "memory")
 #define cpu_relax()	barrier()
 
diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h
index 16609bc1162..ae19839f1d9 100644
--- a/arch/sh/include/asm/processor_64.h
+++ b/arch/sh/include/asm/processor_64.h
@@ -267,6 +267,8 @@ extern unsigned long get_wchan(struct task_struct *p);
 #define KSTK_EIP(tsk)  ((tsk)->thread.pc)
 #define KSTK_ESP(tsk)  ((tsk)->thread.sp)
 
+#define user_stack_pointer(regs)	((regs)->sp)
+
 #define cpu_relax()	barrier()
 
 #endif	/* __ASSEMBLY__ */
-- 
GitLab


From fb4f87a2f048b4cb1a499c9baa78f1d8437b09c3 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:13:13 +0900
Subject: [PATCH 0131/2224] sh: Provide the asm/syscall.h interface, needed by
 tracehook.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/syscall.h    |  10 +++
 arch/sh/include/asm/syscall_32.h | 110 +++++++++++++++++++++++++++++++
 arch/sh/include/asm/syscall_64.h |   6 ++
 3 files changed, 126 insertions(+)
 create mode 100644 arch/sh/include/asm/syscall.h
 create mode 100644 arch/sh/include/asm/syscall_32.h
 create mode 100644 arch/sh/include/asm/syscall_64.h

diff --git a/arch/sh/include/asm/syscall.h b/arch/sh/include/asm/syscall.h
new file mode 100644
index 00000000000..6a381429ee9
--- /dev/null
+++ b/arch/sh/include/asm/syscall.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_SH_SYSCALL_H
+#define __ASM_SH_SYSCALL_H
+
+#ifdef CONFIG_SUPERH32
+# include "syscall_32.h"
+#else
+# include "syscall_64.h"
+#endif
+
+#endif /* __ASM_SH_SYSCALL_H */
diff --git a/arch/sh/include/asm/syscall_32.h b/arch/sh/include/asm/syscall_32.h
new file mode 100644
index 00000000000..54773f26cd4
--- /dev/null
+++ b/arch/sh/include/asm/syscall_32.h
@@ -0,0 +1,110 @@
+#ifndef __ASM_SH_SYSCALL_32_H
+#define __ASM_SH_SYSCALL_32_H
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <asm/ptrace.h>
+
+/* The system call number is given by the user in %g1 */
+static inline long syscall_get_nr(struct task_struct *task,
+				  struct pt_regs *regs)
+{
+	return (regs->tra >= 0) ? regs->regs[3] : -1L;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+				    struct pt_regs *regs)
+{
+	/*
+	 * XXX: This needs some thought. On SH we don't
+	 * save away the original r0 value anywhere.
+	 */
+}
+
+static inline bool syscall_has_error(struct pt_regs *regs)
+{
+	return (regs->sr & 0x1) ? true : false;
+}
+static inline void syscall_set_error(struct pt_regs *regs)
+{
+	regs->sr |= 0x1;
+}
+static inline void syscall_clear_error(struct pt_regs *regs)
+{
+	regs->sr &= ~0x1;
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+				     struct pt_regs *regs)
+{
+	return syscall_has_error(regs) ? regs->regs[0] : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+					    struct pt_regs *regs)
+{
+	return regs->regs[0];
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+					    struct pt_regs *regs,
+					    int error, long val)
+{
+	if (error) {
+		syscall_set_error(regs);
+		regs->regs[0] = -error;
+	} else {
+		syscall_clear_error(regs);
+		regs->regs[0] = val;
+	}
+}
+
+static inline void syscall_get_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 unsigned long *args)
+{
+	/*
+	 * Do this simply for now. If we need to start supporting
+	 * fetching arguments from arbitrary indices, this will need some
+	 * extra logic. Presently there are no in-tree users that depend
+	 * on this behaviour.
+	 */
+	BUG_ON(i);
+
+	/* Argument pattern is: R4, R5, R6, R7, R0, R1 */
+	switch (n) {
+	case 6: args[5] = regs->regs[1];
+	case 5: args[4] = regs->regs[0];
+	case 4: args[3] = regs->regs[7];
+	case 3: args[2] = regs->regs[6];
+	case 2: args[1] = regs->regs[5];
+	case 1:	args[0] = regs->regs[4];
+		break;
+	default:
+		BUG();
+	}
+}
+
+static inline void syscall_set_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 const unsigned long *args)
+{
+	/* Same note as above applies */
+	BUG_ON(i);
+
+	switch (n) {
+	case 6: regs->regs[1] = args[5];
+	case 5: regs->regs[0] = args[4];
+	case 4: regs->regs[7] = args[3];
+	case 3: regs->regs[6] = args[2];
+	case 2: regs->regs[5] = args[1];
+	case 1: regs->regs[4] = args[0];
+		break;
+	default:
+		BUG();
+	}
+}
+
+#endif /* __ASM_SH_SYSCALL_32_H */
diff --git a/arch/sh/include/asm/syscall_64.h b/arch/sh/include/asm/syscall_64.h
new file mode 100644
index 00000000000..bcaaa8ca4d7
--- /dev/null
+++ b/arch/sh/include/asm/syscall_64.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_SH_SYSCALL_64_H
+#define __ASM_SH_SYSCALL_64_H
+
+#include <asm-generic/syscall.h>
+
+#endif /* __ASM_SH_SYSCALL_64_H */
-- 
GitLab


From 3231739d97b348c628a10fb49adfa9143e1de28b Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:13:36 +0900
Subject: [PATCH 0132/2224] sh: Enable HAVE_ARCH_TRACEHOOK.

Now that the rest of the support requirements are out of the way, finally
enable support for tracehook.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 434183eb4f1..f995d134ab3 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -23,6 +23,7 @@ config SUPERH32
 	def_bool !SUPERH64
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
+	select HAVE_ARCH_TRACEHOOK if (!SH_FPU && !SH_DSP)
 
 config SUPERH64
 	def_bool y if CPU_SH5
-- 
GitLab


From 6bff1592d85c9fa1f1d9d4de1cd0e104279544a6 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:41:30 +0900
Subject: [PATCH 0133/2224] sh: Fix up NUMA build error with se7722_defconfig.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/mmzone.h | 2 ++
 arch/sh/include/asm/setup.h  | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h
index 2969253c404..7f5363b29ba 100644
--- a/arch/sh/include/asm/mmzone.h
+++ b/arch/sh/include/asm/mmzone.h
@@ -4,6 +4,8 @@
 #ifdef __KERNEL__
 
 #ifdef CONFIG_NEED_MULTIPLE_NODES
+#include <linux/numa.h>
+
 extern struct pglist_data *node_data[];
 #define NODE_DATA(nid)		(node_data[nid])
 
diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h
index 554f865075c..1b7856f5924 100644
--- a/arch/sh/include/asm/setup.h
+++ b/arch/sh/include/asm/setup.h
@@ -1,7 +1,7 @@
 #ifndef _SH_SETUP_H
 #define _SH_SETUP_H
 
-#include <asm/mmzone.h>
+#include <linux/mmzone.h>
 
 #define COMMAND_LINE_SIZE 256
 
-- 
GitLab


From 5dadb34394d59313e2e763ae8e2fc911e9fc557c Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:42:10 +0900
Subject: [PATCH 0134/2224] sh: Add DSP registers to regset interface.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig              |  2 +-
 arch/sh/include/asm/elf.h    |  5 +--
 arch/sh/include/asm/ptrace.h |  3 ++
 arch/sh/kernel/ptrace_32.c   | 86 +++++++++++++++++++++++++-----------
 4 files changed, 65 insertions(+), 31 deletions(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index f995d134ab3..acaba1bdd8a 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -23,7 +23,7 @@ config SUPERH32
 	def_bool !SUPERH64
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
-	select HAVE_ARCH_TRACEHOOK if (!SH_FPU && !SH_DSP)
+	select HAVE_ARCH_TRACEHOOK if !SH_FPU
 
 config SUPERH64
 	def_bool y if CPU_SH5
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index 455d9e1e143..7c2363f8250 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -108,11 +108,10 @@ typedef struct user_fpu_struct elf_fpregset_t;
 #define elf_check_fdpic(x)		((x)->e_flags & EF_SH_FDPIC)
 #define elf_check_const_displacement(x)	((x)->e_flags & EF_SH_PIC)
 
-#if defined(CONFIG_SUPERH32) && \
-	(!defined(CONFIG_SH_FPU) && !defined(CONFIG_SH_DSP))
+#if defined(CONFIG_SUPERH32) && !defined(CONFIG_SH_FPU)
 /*
  * Enable dump using regset for general purpose registers, use this as
- * the default once the FPU and DSP registers are moved over also.
+ * the default once the FPU registers are moved over also.
  */
 #define CORE_DUMP_USE_REGSET
 #endif
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index bf73646e2d2..3ad18e91bca 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -123,6 +123,9 @@ extern void user_disable_single_step(struct task_struct *);
 #define task_pt_regs(task) \
 	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
 		 - sizeof(struct pt_dspregs) - sizeof(unsigned long)) - 1)
+#define task_pt_dspregs(task) \
+	((struct pt_dspregs *) (task_stack_page(task) + THREAD_SIZE \
+		 - sizeof(unsigned long)) - 1)
 #else
 #define task_pt_regs(task) \
 	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 5e3ba10255c..20b103f6c33 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -145,11 +145,50 @@ static int genregs_set(struct task_struct *target,
 	return ret;
 }
 
+#ifdef CONFIG_SH_DSP
+static int dspregs_get(struct task_struct *target,
+		       const struct user_regset *regset,
+		       unsigned int pos, unsigned int count,
+		       void *kbuf, void __user *ubuf)
+{
+	const struct pt_dspregs *regs = task_pt_dspregs(target);
+	int ret;
+
+	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, regs,
+				  0, sizeof(struct pt_dspregs));
+	if (!ret)
+		ret = user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
+					       sizeof(struct pt_dspregs), -1);
+
+	return ret;
+}
+
+static int dspregs_set(struct task_struct *target,
+		       const struct user_regset *regset,
+		       unsigned int pos, unsigned int count,
+		       const void *kbuf, const void __user *ubuf)
+{
+	struct pt_dspregs *regs = task_pt_dspregs(target);
+	int ret;
+
+	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs,
+				 0, sizeof(struct pt_dspregs));
+	if (!ret)
+		ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+						sizeof(struct pt_dspregs), -1);
+
+	return ret;
+}
+#endif
+
 /*
  * These are our native regset flavours.
  */
 enum sh_regset {
 	REGSET_GENERAL,
+#ifdef CONFIG_SH_DSP
+	REGSET_DSP,
+#endif
 };
 
 static const struct user_regset sh_regsets[] = {
@@ -166,6 +205,16 @@ static const struct user_regset sh_regsets[] = {
 		.get		= genregs_get,
 		.set		= genregs_set,
 	},
+
+#ifdef CONFIG_SH_DSP
+	[REGSET_DSP] = {
+		.n		= sizeof(struct pt_dspregs) / sizeof(long),
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.get		= dspregs_get,
+		.set		= dspregs_set,
+	},
+#endif
 };
 
 static const struct user_regset_view user_sh_native_view = {
@@ -242,33 +291,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					     0, sizeof(struct pt_regs),
 					     (const void __user *)data);
 #ifdef CONFIG_SH_DSP
-	case PTRACE_GETDSPREGS: {
-		unsigned long dp;
-
-		ret = -EIO;
-		dp = ((unsigned long) child) + THREAD_SIZE -
-			 sizeof(struct pt_dspregs);
-		if (*((int *) (dp - 4)) == SR_FD) {
-			copy_to_user((void *)addr, (void *) dp,
-				sizeof(struct pt_dspregs));
-			ret = 0;
-		}
-		break;
-	}
-
-	case PTRACE_SETDSPREGS: {
-		unsigned long dp;
-
-		ret = -EIO;
-		dp = ((unsigned long) child) + THREAD_SIZE -
-			 sizeof(struct pt_dspregs);
-		if (*((int *) (dp - 4)) == SR_FD) {
-			copy_from_user((void *) dp, (void *)addr,
-				sizeof(struct pt_dspregs));
-			ret = 0;
-		}
-		break;
-	}
+	case PTRACE_GETDSPREGS:
+		return copy_regset_to_user(child, &user_sh_native_view,
+					   REGSET_DSP,
+					   0, sizeof(struct pt_dspregs),
+					   (void __user *)data);
+	case PTRACE_SETDSPREGS:
+		return copy_regset_from_user(child, &user_sh_native_view,
+					     REGSET_DSP,
+					     0, sizeof(struct pt_dspregs),
+					     (const void __user *)data);
 #endif
 #ifdef CONFIG_BINFMT_ELF_FDPIC
 	case PTRACE_GETFDPIC: {
-- 
GitLab


From f9540ececaa2cf94b6760741c82f25097e662383 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:42:43 +0900
Subject: [PATCH 0135/2224] sh: Add missing task_user_regset_view() definition.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/ptrace_32.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 20b103f6c33..92fe2034f74 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -224,6 +224,11 @@ static const struct user_regset_view user_sh_native_view = {
 	.n		= ARRAY_SIZE(sh_regsets),
 };
 
+const struct user_regset_view *task_user_regset_view(struct task_struct *task)
+{
+	return &user_sh_native_view;
+}
+
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
 	struct user * dummy = NULL;
-- 
GitLab


From 72461997c3c66c29775afa68ca31bea16bf17f39 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 22:56:35 +0900
Subject: [PATCH 0136/2224] sh: Check SR.DSP bit for DSP regset validity.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/ptrace_32.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 92fe2034f74..0f44f2b51a6 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -179,6 +179,14 @@ static int dspregs_set(struct task_struct *target,
 
 	return ret;
 }
+
+static int dspregs_active(struct task_struct *target,
+			  const struct user_regset *regset)
+{
+	struct pt_regs *regs = task_pt_regs(target);
+
+	return regs->sr & SR_DSP ? regset->n : 0;
+}
 #endif
 
 /*
@@ -213,6 +221,7 @@ static const struct user_regset sh_regsets[] = {
 		.align		= sizeof(long),
 		.get		= dspregs_get,
 		.set		= dspregs_set,
+		.active		= dspregs_active,
 	},
 #endif
 };
-- 
GitLab


From 0e660d2d433393f983cd58fe8c54f831fa7c7713 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 23:27:46 +0900
Subject: [PATCH 0137/2224] sh: Tidy up ELF core dumps.

These have been using overrides for ELF_CORE_COPY_TASK_REGS and
ELF_CORE_COPY_FPREGS while the generic versions can be used instead.
Presently the pt_regs are also duplicated across elf_core_copy_regs()
and elf_core_copy_task_regs(), this switches to simply copying out
through elf_core_copy_regs() instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/elf.h  |  6 ------
 arch/sh/kernel/Makefile_32 |  1 -
 arch/sh/kernel/Makefile_64 |  1 -
 arch/sh/kernel/dump_task.c | 32 --------------------------------
 4 files changed, 40 deletions(-)
 delete mode 100644 arch/sh/kernel/dump_task.c

diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index 7c2363f8250..6b2cec80fd1 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -198,12 +198,6 @@ do {									\
 #endif
 
 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
-struct task_struct;
-extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
-extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
-
-#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
 
 #ifdef CONFIG_VSYSCALL
 /* vDSO has arch_setup_additional_pages */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 12e617beba2..8497de8afbf 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -21,7 +21,6 @@ obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
-obj-$(CONFIG_ELF_CORE)		+= dump_task.o
 obj-$(CONFIG_IO_TRAPPED)	+= io_trapped.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
 
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index 6edf53b93d9..e987eb2e9bb 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -17,7 +17,6 @@ obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
-obj-$(CONFIG_BINFMT_ELF)	+= dump_task.o
 obj-$(CONFIG_IO_TRAPPED)	+= io_trapped.o
 
 EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/kernel/dump_task.c b/arch/sh/kernel/dump_task.c
deleted file mode 100644
index 1db7ce0f25d..00000000000
--- a/arch/sh/kernel/dump_task.c
+++ /dev/null
@@ -1,32 +0,0 @@
-#include <linux/elfcore.h>
-#include <linux/sched.h>
-#include <asm/fpu.h>
-
-/*
- * Capture the user space registers if the task is not running (in user space)
- */
-int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
-{
-	struct pt_regs ptregs;
-
-	ptregs = *task_pt_regs(tsk);
-	elf_core_copy_regs(regs, &ptregs);
-
-	return 1;
-}
-
-int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpu)
-{
-	int fpvalid = 0;
-
-#if defined(CONFIG_SH_FPU)
-	fpvalid = !!tsk_used_math(tsk);
-	if (fpvalid) {
-		unlazy_fpu(tsk, task_pt_regs(tsk));
-		memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));
-	}
-#endif
-
-	return fpvalid;
-}
-
-- 
GitLab


From 5a89f1adbc5ce44988aab0c370ae2f1478061307 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 13 Sep 2008 01:44:03 +0900
Subject: [PATCH 0138/2224] sh: latencytop support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig             |  4 ++++
 arch/sh/kernel/stacktrace.c | 23 ++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index acaba1bdd8a..18a1cc8a6aa 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -100,6 +100,10 @@ config STACKTRACE_SUPPORT
 config LOCKDEP_SUPPORT
 	def_bool y
 
+config HAVE_LATENCYTOP_SUPPORT
+	def_bool y
+	depends on !SMP
+
 config ARCH_HAS_ILOG2_U32
 	def_bool n
 
diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 54d1f61aa00..1a2a5eb76e4 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -3,7 +3,7 @@
  *
  * Stack trace management functions
  *
- *  Copyright (C) 2006  Paul Mundt
+ *  Copyright (C) 2006 - 2008  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -36,3 +36,24 @@ void save_stack_trace(struct stack_trace *trace)
 	}
 }
 EXPORT_SYMBOL_GPL(save_stack_trace);
+
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
+	unsigned long *sp = (unsigned long *)tsk->thread.sp;
+
+	while (!kstack_end(sp)) {
+		unsigned long addr = *sp++;
+
+		if (__kernel_text_address(addr)) {
+			if (in_sched_functions(addr))
+				break;
+			if (trace->skip > 0)
+				trace->skip--;
+			else
+				trace->entries[trace->nr_entries++] = addr;
+			if (trace->nr_entries >= trace->max_entries)
+				break;
+		}
+	}
+}
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
-- 
GitLab


From fdb0ac80618729e6b12121c66449b8532990eaf3 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Sat, 13 Sep 2008 19:57:04 -0700
Subject: [PATCH 0139/2224] async_tx: make async_tx_run_dependencies() easier
 to read

* Rename 'next' to 'dep'
* Move the channel switch check inside the loop to simplify
  termination

Acked-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 crypto/async_tx/async_tx.c | 34 ++++++++++++++++------------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/crypto/async_tx/async_tx.c b/crypto/async_tx/async_tx.c
index e8362c1efa3..dcbf1be149f 100644
--- a/crypto/async_tx/async_tx.c
+++ b/crypto/async_tx/async_tx.c
@@ -115,34 +115,32 @@ EXPORT_SYMBOL_GPL(dma_wait_for_async_tx);
  *	(start) dependent operations on their target channel
  * @tx: transaction with dependencies
  */
-void
-async_tx_run_dependencies(struct dma_async_tx_descriptor *tx)
+void async_tx_run_dependencies(struct dma_async_tx_descriptor *tx)
 {
-	struct dma_async_tx_descriptor *next = tx->next;
+	struct dma_async_tx_descriptor *dep = tx->next;
+	struct dma_async_tx_descriptor *dep_next;
 	struct dma_chan *chan;
 
-	if (!next)
+	if (!dep)
 		return;
 
-	tx->next = NULL;
-	chan = next->chan;
+	chan = dep->chan;
 
 	/* keep submitting up until a channel switch is detected
 	 * in that case we will be called again as a result of
 	 * processing the interrupt from async_tx_channel_switch
 	 */
-	while (next && next->chan == chan) {
-		struct dma_async_tx_descriptor *_next;
-
-		spin_lock_bh(&next->lock);
-		next->parent = NULL;
-		_next = next->next;
-		if (_next && _next->chan == chan)
-			next->next = NULL;
-		spin_unlock_bh(&next->lock);
-
-		next->tx_submit(next);
-		next = _next;
+	for (; dep; dep = dep_next) {
+		spin_lock_bh(&dep->lock);
+		dep->parent = NULL;
+		dep_next = dep->next;
+		if (dep_next && dep_next->chan == chan)
+			dep->next = NULL; /* ->next will be submitted */
+		else
+			dep_next = NULL; /* submit current dep and terminate */
+		spin_unlock_bh(&dep->lock);
+
+		dep->tx_submit(dep);
 	}
 
 	chan->device->device_issue_pending(chan);
-- 
GitLab


From 89f72a0633d1d4f28c4c5c8831ec814523d7671a Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Sat, 13 Sep 2008 20:05:34 -0700
Subject: [PATCH 0140/2224] drivers/dma/ioat_dma.c: drop code after return

The break after the return serves no purpose.

Signed-off-by: Julia Lawall <julia@diku.dk>
Reviewed-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/ioat_dma.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index bc8c6e3470c..1ef68b31565 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -971,11 +971,9 @@ static struct ioat_desc_sw *ioat_dma_get_next_descriptor(
 	switch (ioat_chan->device->version) {
 	case IOAT_VER_1_2:
 		return ioat1_dma_get_next_descriptor(ioat_chan);
-		break;
 	case IOAT_VER_2_0:
 	case IOAT_VER_3_0:
 		return ioat2_dma_get_next_descriptor(ioat_chan);
-		break;
 	}
 	return NULL;
 }
-- 
GitLab


From f06febc96ba8e0af80bcc3eaec0a109e88275fac Mon Sep 17 00:00:00 2001
From: Frank Mayhar <fmayhar@google.com>
Date: Fri, 12 Sep 2008 09:54:39 -0700
Subject: [PATCH 0141/2224] timers: fix itimer/many thread hang

Overview

This patch reworks the handling of POSIX CPU timers, including the
ITIMER_PROF, ITIMER_VIRT timers and rlimit handling.  It was put together
with the help of Roland McGrath, the owner and original writer of this code.

The problem we ran into, and the reason for this rework, has to do with using
a profiling timer in a process with a large number of threads.  It appears
that the performance of the old implementation of run_posix_cpu_timers() was
at least O(n*3) (where "n" is the number of threads in a process) or worse.
Everything is fine with an increasing number of threads until the time taken
for that routine to run becomes the same as or greater than the tick time, at
which point things degrade rather quickly.

This patch fixes bug 9906, "Weird hang with NPTL and SIGPROF."

Code Changes

This rework corrects the implementation of run_posix_cpu_timers() to make it
run in constant time for a particular machine.  (Performance may vary between
one machine and another depending upon whether the kernel is built as single-
or multiprocessor and, in the latter case, depending upon the number of
running processors.)  To do this, at each tick we now update fields in
signal_struct as well as task_struct.  The run_posix_cpu_timers() function
uses those fields to make its decisions.

We define a new structure, "task_cputime," to contain user, system and
scheduler times and use these in appropriate places:

struct task_cputime {
	cputime_t utime;
	cputime_t stime;
	unsigned long long sum_exec_runtime;
};

This is included in the structure "thread_group_cputime," which is a new
substructure of signal_struct and which varies for uniprocessor versus
multiprocessor kernels.  For uniprocessor kernels, it uses "task_cputime" as
a simple substructure, while for multiprocessor kernels it is a pointer:

struct thread_group_cputime {
	struct task_cputime totals;
};

struct thread_group_cputime {
	struct task_cputime *totals;
};

We also add a new task_cputime substructure directly to signal_struct, to
cache the earliest expiration of process-wide timers, and task_cputime also
replaces the it_*_expires fields of task_struct (used for earliest expiration
of thread timers).  The "thread_group_cputime" structure contains process-wide
timers that are updated via account_user_time() and friends.  In the non-SMP
case the structure is a simple aggregator; unfortunately in the SMP case that
simplicity was not achievable due to cache-line contention between CPUs (in
one measured case performance was actually _worse_ on a 16-cpu system than
the same test on a 4-cpu system, due to this contention).  For SMP, the
thread_group_cputime counters are maintained as a per-cpu structure allocated
using alloc_percpu().  The timer functions update only the timer field in
the structure corresponding to the running CPU, obtained using per_cpu_ptr().

We define a set of inline functions in sched.h that we use to maintain the
thread_group_cputime structure and hide the differences between UP and SMP
implementations from the rest of the kernel.  The thread_group_cputime_init()
function initializes the thread_group_cputime structure for the given task.
The thread_group_cputime_alloc() is a no-op for UP; for SMP it calls the
out-of-line function thread_group_cputime_alloc_smp() to allocate and fill
in the per-cpu structures and fields.  The thread_group_cputime_free()
function, also a no-op for UP, in SMP frees the per-cpu structures.  The
thread_group_cputime_clone_thread() function (also a UP no-op) for SMP calls
thread_group_cputime_alloc() if the per-cpu structures haven't yet been
allocated.  The thread_group_cputime() function fills the task_cputime
structure it is passed with the contents of the thread_group_cputime fields;
in UP it's that simple but in SMP it must also safely check that tsk->signal
is non-NULL (if it is it just uses the appropriate fields of task_struct) and,
if so, sums the per-cpu values for each online CPU.  Finally, the three
functions account_group_user_time(), account_group_system_time() and
account_group_exec_runtime() are used by timer functions to update the
respective fields of the thread_group_cputime structure.

Non-SMP operation is trivial and will not be mentioned further.

The per-cpu structure is always allocated when a task creates its first new
thread, via a call to thread_group_cputime_clone_thread() from copy_signal().
It is freed at process exit via a call to thread_group_cputime_free() from
cleanup_signal().

All functions that formerly summed utime/stime/sum_sched_runtime values from
from all threads in the thread group now use thread_group_cputime() to
snapshot the values in the thread_group_cputime structure or the values in
the task structure itself if the per-cpu structure hasn't been allocated.

Finally, the code in kernel/posix-cpu-timers.c has changed quite a bit.
The run_posix_cpu_timers() function has been split into a fast path and a
slow path; the former safely checks whether there are any expired thread
timers and, if not, just returns, while the slow path does the heavy lifting.
With the dedicated thread group fields, timers are no longer "rebalanced" and
the process_timer_rebalance() function and related code has gone away.  All
summing loops are gone and all code that used them now uses the
thread_group_cputime() inline.  When process-wide timers are set, the new
task_cputime structure in signal_struct is used to cache the earliest
expiration; this is checked in the fast path.

Performance

The fix appears not to add significant overhead to existing operations.  It
generally performs the same as the current code except in two cases, one in
which it performs slightly worse (Case 5 below) and one in which it performs
very significantly better (Case 2 below).  Overall it's a wash except in those
two cases.

I've since done somewhat more involved testing on a dual-core Opteron system.

Case 1: With no itimer running, for a test with 100,000 threads, the fixed
	kernel took 1428.5 seconds, 513 seconds more than the unfixed system,
	all of which was spent in the system.  There were twice as many
	voluntary context switches with the fix as without it.

Case 2: With an itimer running at .01 second ticks and 4000 threads (the most
	an unmodified kernel can handle), the fixed kernel ran the test in
	eight percent of the time (5.8 seconds as opposed to 70 seconds) and
	had better tick accuracy (.012 seconds per tick as opposed to .023
	seconds per tick).

Case 3: A 4000-thread test with an initial timer tick of .01 second and an
	interval of 10,000 seconds (i.e. a timer that ticks only once) had
	very nearly the same performance in both cases:  6.3 seconds elapsed
	for the fixed kernel versus 5.5 seconds for the unfixed kernel.

With fewer threads (eight in these tests), the Case 1 test ran in essentially
the same time on both the modified and unmodified kernels (5.2 seconds versus
5.8 seconds).  The Case 2 test ran in about the same time as well, 5.9 seconds
versus 5.4 seconds but again with much better tick accuracy, .013 seconds per
tick versus .025 seconds per tick for the unmodified kernel.

Since the fix affected the rlimit code, I also tested soft and hard CPU limits.

Case 4: With a hard CPU limit of 20 seconds and eight threads (and an itimer
	running), the modified kernel was very slightly favored in that while
	it killed the process in 19.997 seconds of CPU time (5.002 seconds of
	wall time), only .003 seconds of that was system time, the rest was
	user time.  The unmodified kernel killed the process in 20.001 seconds
	of CPU (5.014 seconds of wall time) of which .016 seconds was system
	time.  Really, though, the results were too close to call.  The results
	were essentially the same with no itimer running.

Case 5: With a soft limit of 20 seconds and a hard limit of 2000 seconds
	(where the hard limit would never be reached) and an itimer running,
	the modified kernel exhibited worse tick accuracy than the unmodified
	kernel: .050 seconds/tick versus .028 seconds/tick.  Otherwise,
	performance was almost indistinguishable.  With no itimer running this
	test exhibited virtually identical behavior and times in both cases.

In times past I did some limited performance testing.  those results are below.

On a four-cpu Opteron system without this fix, a sixteen-thread test executed
in 3569.991 seconds, of which user was 3568.435s and system was 1.556s.  On
the same system with the fix, user and elapsed time were about the same, but
system time dropped to 0.007 seconds.  Performance with eight, four and one
thread were comparable.  Interestingly, the timer ticks with the fix seemed
more accurate:  The sixteen-thread test with the fix received 149543 ticks
for 0.024 seconds per tick, while the same test without the fix received 58720
for 0.061 seconds per tick.  Both cases were configured for an interval of
0.01 seconds.  Again, the other tests were comparable.  Each thread in this
test computed the primes up to 25,000,000.

I also did a test with a large number of threads, 100,000 threads, which is
impossible without the fix.  In this case each thread computed the primes only
up to 10,000 (to make the runtime manageable).  System time dominated, at
1546.968 seconds out of a total 2176.906 seconds (giving a user time of
629.938s).  It received 147651 ticks for 0.015 seconds per tick, still quite
accurate.  There is obviously no comparable test without the fix.

Signed-off-by: Frank Mayhar <fmayhar@google.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 fs/binfmt_elf.c              |  19 +-
 fs/proc/array.c              |   8 +-
 include/linux/posix-timers.h |   2 +
 include/linux/sched.h        | 257 ++++++++++++++++++-
 include/linux/time.h         |   3 +
 kernel/compat.c              |  53 ++--
 kernel/exit.c                |  19 +-
 kernel/fork.c                |  88 ++++---
 kernel/itimer.c              |  33 +--
 kernel/posix-cpu-timers.c    | 471 +++++++++++++++++++----------------
 kernel/sched.c               |  53 +++-
 kernel/sched_fair.c          |   1 +
 kernel/sched_rt.c            |   4 +-
 kernel/signal.c              |   8 +-
 kernel/sys.c                 |  75 ++----
 security/selinux/hooks.c     |   9 +-
 16 files changed, 677 insertions(+), 426 deletions(-)

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 655ed8d30a8..a8635f63703 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1333,20 +1333,15 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
 	prstatus->pr_pgrp = task_pgrp_vnr(p);
 	prstatus->pr_sid = task_session_vnr(p);
 	if (thread_group_leader(p)) {
+		struct task_cputime cputime;
+
 		/*
-		 * This is the record for the group leader.  Add in the
-		 * cumulative times of previous dead threads.  This total
-		 * won't include the time of each live thread whose state
-		 * is included in the core dump.  The final total reported
-		 * to our parent process when it calls wait4 will include
-		 * those sums as well as the little bit more time it takes
-		 * this and each other thread to finish dying after the
-		 * core dump synchronization phase.
+		 * This is the record for the group leader.  It shows the
+		 * group-wide total, not its individual thread total.
 		 */
-		cputime_to_timeval(cputime_add(p->utime, p->signal->utime),
-				   &prstatus->pr_utime);
-		cputime_to_timeval(cputime_add(p->stime, p->signal->stime),
-				   &prstatus->pr_stime);
+		thread_group_cputime(p, &cputime);
+		cputime_to_timeval(cputime.utime, &prstatus->pr_utime);
+		cputime_to_timeval(cputime.stime, &prstatus->pr_stime);
 	} else {
 		cputime_to_timeval(p->utime, &prstatus->pr_utime);
 		cputime_to_timeval(p->stime, &prstatus->pr_stime);
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 71c9be59c9c..933953c4e40 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -395,20 +395,20 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
 
 		/* add up live thread stats at the group level */
 		if (whole) {
+			struct task_cputime cputime;
 			struct task_struct *t = task;
 			do {
 				min_flt += t->min_flt;
 				maj_flt += t->maj_flt;
-				utime = cputime_add(utime, task_utime(t));
-				stime = cputime_add(stime, task_stime(t));
 				gtime = cputime_add(gtime, task_gtime(t));
 				t = next_thread(t);
 			} while (t != task);
 
 			min_flt += sig->min_flt;
 			maj_flt += sig->maj_flt;
-			utime = cputime_add(utime, sig->utime);
-			stime = cputime_add(stime, sig->stime);
+			thread_group_cputime(task, &cputime);
+			utime = cputime.utime;
+			stime = cputime.stime;
 			gtime = cputime_add(gtime, sig->gtime);
 		}
 
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index a7dd38f30ad..f9d8e9e94e9 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -115,4 +115,6 @@ void set_process_cpu_timer(struct task_struct *task, unsigned int clock_idx,
 
 long clock_nanosleep_restart(struct restart_block *restart_block);
 
+void update_rlimit_cpu(unsigned long rlim_new);
+
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3d9120c5ad1..26d7a5f2d0b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -425,6 +425,45 @@ struct pacct_struct {
 	unsigned long		ac_minflt, ac_majflt;
 };
 
+/**
+ * struct task_cputime - collected CPU time counts
+ * @utime:		time spent in user mode, in &cputime_t units
+ * @stime:		time spent in kernel mode, in &cputime_t units
+ * @sum_exec_runtime:	total time spent on the CPU, in nanoseconds
+ * 
+ * This structure groups together three kinds of CPU time that are
+ * tracked for threads and thread groups.  Most things considering
+ * CPU time want to group these counts together and treat all three
+ * of them in parallel.
+ */
+struct task_cputime {
+	cputime_t utime;
+	cputime_t stime;
+	unsigned long long sum_exec_runtime;
+};
+/* Alternate field names when used to cache expirations. */
+#define prof_exp	stime
+#define virt_exp	utime
+#define sched_exp	sum_exec_runtime
+
+/**
+ * struct thread_group_cputime - thread group interval timer counts
+ * @totals:		thread group interval timers; substructure for
+ *			uniprocessor kernel, per-cpu for SMP kernel.
+ *
+ * This structure contains the version of task_cputime, above, that is
+ * used for thread group CPU clock calculations.
+ */
+#ifdef CONFIG_SMP
+struct thread_group_cputime {
+	struct task_cputime *totals;
+};
+#else
+struct thread_group_cputime {
+	struct task_cputime totals;
+};
+#endif
+
 /*
  * NOTE! "signal_struct" does not have it's own
  * locking, because a shared signal_struct always
@@ -470,6 +509,17 @@ struct signal_struct {
 	cputime_t it_prof_expires, it_virt_expires;
 	cputime_t it_prof_incr, it_virt_incr;
 
+	/*
+	 * Thread group totals for process CPU clocks.
+	 * See thread_group_cputime(), et al, for details.
+	 */
+	struct thread_group_cputime cputime;
+
+	/* Earliest-expiration cache. */
+	struct task_cputime cputime_expires;
+
+	struct list_head cpu_timers[3];
+
 	/* job control IDs */
 
 	/*
@@ -500,7 +550,7 @@ struct signal_struct {
 	 * Live threads maintain their own counters and add to these
 	 * in __exit_signal, except for the group leader.
 	 */
-	cputime_t utime, stime, cutime, cstime;
+	cputime_t cutime, cstime;
 	cputime_t gtime;
 	cputime_t cgtime;
 	unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
@@ -508,14 +558,6 @@ struct signal_struct {
 	unsigned long inblock, oublock, cinblock, coublock;
 	struct task_io_accounting ioac;
 
-	/*
-	 * Cumulative ns of scheduled CPU time for dead threads in the
-	 * group, not including a zombie group leader.  (This only differs
-	 * from jiffies_to_ns(utime + stime) if sched_clock uses something
-	 * other than jiffies.)
-	 */
-	unsigned long long sum_sched_runtime;
-
 	/*
 	 * We don't bother to synchronize most readers of this at all,
 	 * because there is no reader checking a limit that actually needs
@@ -527,8 +569,6 @@ struct signal_struct {
 	 */
 	struct rlimit rlim[RLIM_NLIMITS];
 
-	struct list_head cpu_timers[3];
-
 	/* keep the process-shared keyrings here so that they do the right
 	 * thing in threads created with CLONE_THREAD */
 #ifdef CONFIG_KEYS
@@ -1134,8 +1174,7 @@ struct task_struct {
 /* mm fault and swap info: this can arguably be seen as either mm-specific or thread-specific */
 	unsigned long min_flt, maj_flt;
 
-  	cputime_t it_prof_expires, it_virt_expires;
-	unsigned long long it_sched_expires;
+	struct task_cputime cputime_expires;
 	struct list_head cpu_timers[3];
 
 /* process credentials */
@@ -1585,6 +1624,7 @@ extern unsigned long long cpu_clock(int cpu);
 
 extern unsigned long long
 task_sched_runtime(struct task_struct *task);
+extern unsigned long long thread_group_sched_runtime(struct task_struct *task);
 
 /* sched_exec is called by processes performing an exec */
 #ifdef CONFIG_SMP
@@ -2081,6 +2121,197 @@ static inline int spin_needbreak(spinlock_t *lock)
 #endif
 }
 
+/*
+ * Thread group CPU time accounting.
+ */
+#ifdef CONFIG_SMP
+
+extern int thread_group_cputime_alloc_smp(struct task_struct *);
+extern void thread_group_cputime_smp(struct task_struct *, struct task_cputime *);
+
+static inline void thread_group_cputime_init(struct signal_struct *sig)
+{
+	sig->cputime.totals = NULL;
+}
+
+static inline int thread_group_cputime_clone_thread(struct task_struct *curr,
+						    struct task_struct *new)
+{
+	if (curr->signal->cputime.totals)
+		return 0;
+	return thread_group_cputime_alloc_smp(curr);
+}
+
+static inline void thread_group_cputime_free(struct signal_struct *sig)
+{
+	free_percpu(sig->cputime.totals);
+}
+
+/**
+ * thread_group_cputime - Sum the thread group time fields across all CPUs.
+ *
+ * This is a wrapper for the real routine, thread_group_cputime_smp().  See
+ * that routine for details.
+ */
+static inline void thread_group_cputime(
+	struct task_struct *tsk,
+	struct task_cputime *times)
+{
+	thread_group_cputime_smp(tsk, times);
+}
+
+/**
+ * thread_group_cputime_account_user - Maintain utime for a thread group.
+ *
+ * @tgtimes:	Pointer to thread_group_cputime structure.
+ * @cputime:	Time value by which to increment the utime field of that
+ *		structure.
+ *
+ * If thread group time is being maintained, get the structure for the
+ * running CPU and update the utime field there.
+ */
+static inline void thread_group_cputime_account_user(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	if (tgtimes->totals) {
+		struct task_cputime *times;
+
+		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times->utime = cputime_add(times->utime, cputime);
+		put_cpu_no_resched();
+	}
+}
+
+/**
+ * thread_group_cputime_account_system - Maintain stime for a thread group.
+ *
+ * @tgtimes:	Pointer to thread_group_cputime structure.
+ * @cputime:	Time value by which to increment the stime field of that
+ *		structure.
+ *
+ * If thread group time is being maintained, get the structure for the
+ * running CPU and update the stime field there.
+ */
+static inline void thread_group_cputime_account_system(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	if (tgtimes->totals) {
+		struct task_cputime *times;
+
+		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times->stime = cputime_add(times->stime, cputime);
+		put_cpu_no_resched();
+	}
+}
+
+/**
+ * thread_group_cputime_account_exec_runtime - Maintain exec runtime for a
+ *						thread group.
+ *
+ * @tgtimes:	Pointer to thread_group_cputime structure.
+ * @ns:		Time value by which to increment the sum_exec_runtime field
+ *		of that structure.
+ *
+ * If thread group time is being maintained, get the structure for the
+ * running CPU and update the sum_exec_runtime field there.
+ */
+static inline void thread_group_cputime_account_exec_runtime(
+	struct thread_group_cputime *tgtimes,
+	unsigned long long ns)
+{
+	if (tgtimes->totals) {
+		struct task_cputime *times;
+
+		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times->sum_exec_runtime += ns;
+		put_cpu_no_resched();
+	}
+}
+
+#else /* CONFIG_SMP */
+
+static inline void thread_group_cputime_init(struct signal_struct *sig)
+{
+	sig->cputime.totals.utime = cputime_zero;
+	sig->cputime.totals.stime = cputime_zero;
+	sig->cputime.totals.sum_exec_runtime = 0;
+}
+
+static inline int thread_group_cputime_alloc(struct task_struct *tsk)
+{
+	return 0;
+}
+
+static inline void thread_group_cputime_free(struct signal_struct *sig)
+{
+}
+
+static inline int thread_group_cputime_clone_thread(struct task_struct *curr,
+						     struct task_struct *tsk)
+{
+}
+
+static inline void thread_group_cputime(struct task_struct *tsk,
+					 struct task_cputime *cputime)
+{
+	*cputime = tsk->signal->cputime.totals;
+}
+
+static inline void thread_group_cputime_account_user(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	tgtimes->totals->utime = cputime_add(tgtimes->totals->utime, cputime);
+}
+
+static inline void thread_group_cputime_account_system(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	tgtimes->totals->stime = cputime_add(tgtimes->totals->stime, cputime);
+}
+
+static inline void thread_group_cputime_account_exec_runtime(
+	struct thread_group_cputime *tgtimes,
+	unsigned long long ns)
+{
+	tgtimes->totals->sum_exec_runtime += ns;
+}
+
+#endif /* CONFIG_SMP */
+
+static inline void account_group_user_time(struct task_struct *tsk,
+					    cputime_t cputime)
+{
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (likely(sig))
+		thread_group_cputime_account_user(&sig->cputime, cputime);
+}
+
+static inline void account_group_system_time(struct task_struct *tsk,
+					      cputime_t cputime)
+{
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (likely(sig))
+		thread_group_cputime_account_system(&sig->cputime, cputime);
+}
+
+static inline void account_group_exec_runtime(struct task_struct *tsk,
+					       unsigned long long ns)
+{
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (likely(sig))
+		thread_group_cputime_account_exec_runtime(&sig->cputime, ns);
+}
+
 /*
  * Reevaluate whether the task has signals pending delivery.
  * Wake the task if so.
diff --git a/include/linux/time.h b/include/linux/time.h
index e15206a7e82..1b70b3c293e 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -125,6 +125,9 @@ extern int timekeeping_valid_for_hres(void);
 extern void update_wall_time(void);
 extern void update_xtime_cache(u64 nsec);
 
+struct tms;
+extern void do_sys_times(struct tms *);
+
 /**
  * timespec_to_ns - Convert timespec to nanoseconds
  * @ts:		pointer to the timespec variable to be converted
diff --git a/kernel/compat.c b/kernel/compat.c
index 32c254a8ab9..72650e39b3e 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -23,6 +23,7 @@
 #include <linux/timex.h>
 #include <linux/migrate.h>
 #include <linux/posix-timers.h>
+#include <linux/times.h>
 
 #include <asm/uaccess.h>
 
@@ -150,49 +151,23 @@ asmlinkage long compat_sys_setitimer(int which,
 	return 0;
 }
 
+static compat_clock_t clock_t_to_compat_clock_t(clock_t x)
+{
+	return compat_jiffies_to_clock_t(clock_t_to_jiffies(x));
+}
+
 asmlinkage long compat_sys_times(struct compat_tms __user *tbuf)
 {
-	/*
-	 *	In the SMP world we might just be unlucky and have one of
-	 *	the times increment as we use it. Since the value is an
-	 *	atomically safe type this is just fine. Conceptually its
-	 *	as if the syscall took an instant longer to occur.
-	 */
 	if (tbuf) {
+		struct tms tms;
 		struct compat_tms tmp;
-		struct task_struct *tsk = current;
-		struct task_struct *t;
-		cputime_t utime, stime, cutime, cstime;
-
-		read_lock(&tasklist_lock);
-		utime = tsk->signal->utime;
-		stime = tsk->signal->stime;
-		t = tsk;
-		do {
-			utime = cputime_add(utime, t->utime);
-			stime = cputime_add(stime, t->stime);
-			t = next_thread(t);
-		} while (t != tsk);
-
-		/*
-		 * While we have tasklist_lock read-locked, no dying thread
-		 * can be updating current->signal->[us]time.  Instead,
-		 * we got their counts included in the live thread loop.
-		 * However, another thread can come in right now and
-		 * do a wait call that updates current->signal->c[us]time.
-		 * To make sure we always see that pair updated atomically,
-		 * we take the siglock around fetching them.
-		 */
-		spin_lock_irq(&tsk->sighand->siglock);
-		cutime = tsk->signal->cutime;
-		cstime = tsk->signal->cstime;
-		spin_unlock_irq(&tsk->sighand->siglock);
-		read_unlock(&tasklist_lock);
-
-		tmp.tms_utime = compat_jiffies_to_clock_t(cputime_to_jiffies(utime));
-		tmp.tms_stime = compat_jiffies_to_clock_t(cputime_to_jiffies(stime));
-		tmp.tms_cutime = compat_jiffies_to_clock_t(cputime_to_jiffies(cutime));
-		tmp.tms_cstime = compat_jiffies_to_clock_t(cputime_to_jiffies(cstime));
+
+		do_sys_times(&tms);
+		/* Convert our struct tms to the compat version. */
+		tmp.tms_utime = clock_t_to_compat_clock_t(tms.tms_utime);
+		tmp.tms_stime = clock_t_to_compat_clock_t(tms.tms_stime);
+		tmp.tms_cutime = clock_t_to_compat_clock_t(tms.tms_cutime);
+		tmp.tms_cstime = clock_t_to_compat_clock_t(tms.tms_cstime);
 		if (copy_to_user(tbuf, &tmp, sizeof(tmp)))
 			return -EFAULT;
 	}
diff --git a/kernel/exit.c b/kernel/exit.c
index 16395644a98..40036ac0427 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -112,8 +112,6 @@ static void __exit_signal(struct task_struct *tsk)
 		 * We won't ever get here for the group leader, since it
 		 * will have been the last reference on the signal_struct.
 		 */
-		sig->utime = cputime_add(sig->utime, task_utime(tsk));
-		sig->stime = cputime_add(sig->stime, task_stime(tsk));
 		sig->gtime = cputime_add(sig->gtime, task_gtime(tsk));
 		sig->min_flt += tsk->min_flt;
 		sig->maj_flt += tsk->maj_flt;
@@ -122,7 +120,6 @@ static void __exit_signal(struct task_struct *tsk)
 		sig->inblock += task_io_get_inblock(tsk);
 		sig->oublock += task_io_get_oublock(tsk);
 		task_io_accounting_add(&sig->ioac, &tsk->ioac);
-		sig->sum_sched_runtime += tsk->se.sum_exec_runtime;
 		sig = NULL; /* Marker for below. */
 	}
 
@@ -1294,6 +1291,7 @@ static int wait_task_zombie(struct task_struct *p, int options,
 	if (likely(!traced)) {
 		struct signal_struct *psig;
 		struct signal_struct *sig;
+		struct task_cputime cputime;
 
 		/*
 		 * The resource counters for the group leader are in its
@@ -1309,20 +1307,23 @@ static int wait_task_zombie(struct task_struct *p, int options,
 		 * need to protect the access to p->parent->signal fields,
 		 * as other threads in the parent group can be right
 		 * here reaping other children at the same time.
+		 *
+		 * We use thread_group_cputime() to get times for the thread
+		 * group, which consolidates times for all threads in the
+		 * group including the group leader.
 		 */
 		spin_lock_irq(&p->parent->sighand->siglock);
 		psig = p->parent->signal;
 		sig = p->signal;
+		thread_group_cputime(p, &cputime);
 		psig->cutime =
 			cputime_add(psig->cutime,
-			cputime_add(p->utime,
-			cputime_add(sig->utime,
-				    sig->cutime)));
+			cputime_add(cputime.utime,
+				    sig->cutime));
 		psig->cstime =
 			cputime_add(psig->cstime,
-			cputime_add(p->stime,
-			cputime_add(sig->stime,
-				    sig->cstime)));
+			cputime_add(cputime.stime,
+				    sig->cstime));
 		psig->cgtime =
 			cputime_add(psig->cgtime,
 			cputime_add(p->gtime,
diff --git a/kernel/fork.c b/kernel/fork.c
index 7ce2ebe8479..a8ac2efb8e3 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -759,15 +759,44 @@ void __cleanup_sighand(struct sighand_struct *sighand)
 		kmem_cache_free(sighand_cachep, sighand);
 }
 
+
+/*
+ * Initialize POSIX timer handling for a thread group.
+ */
+static void posix_cpu_timers_init_group(struct signal_struct *sig)
+{
+	/* Thread group counters. */
+	thread_group_cputime_init(sig);
+
+	/* Expiration times and increments. */
+	sig->it_virt_expires = cputime_zero;
+	sig->it_virt_incr = cputime_zero;
+	sig->it_prof_expires = cputime_zero;
+	sig->it_prof_incr = cputime_zero;
+
+	/* Cached expiration times. */
+	sig->cputime_expires.prof_exp = cputime_zero;
+	sig->cputime_expires.virt_exp = cputime_zero;
+	sig->cputime_expires.sched_exp = 0;
+
+	/* The timer lists. */
+	INIT_LIST_HEAD(&sig->cpu_timers[0]);
+	INIT_LIST_HEAD(&sig->cpu_timers[1]);
+	INIT_LIST_HEAD(&sig->cpu_timers[2]);
+}
+
 static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 {
 	struct signal_struct *sig;
 	int ret;
 
 	if (clone_flags & CLONE_THREAD) {
-		atomic_inc(&current->signal->count);
-		atomic_inc(&current->signal->live);
-		return 0;
+		ret = thread_group_cputime_clone_thread(current, tsk);
+		if (likely(!ret)) {
+			atomic_inc(&current->signal->count);
+			atomic_inc(&current->signal->live);
+		}
+		return ret;
 	}
 	sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);
 	tsk->signal = sig;
@@ -795,15 +824,10 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	sig->it_real_incr.tv64 = 0;
 	sig->real_timer.function = it_real_fn;
 
-	sig->it_virt_expires = cputime_zero;
-	sig->it_virt_incr = cputime_zero;
-	sig->it_prof_expires = cputime_zero;
-	sig->it_prof_incr = cputime_zero;
-
 	sig->leader = 0;	/* session leadership doesn't inherit */
 	sig->tty_old_pgrp = NULL;
 
-	sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
+	sig->cutime = sig->cstime = cputime_zero;
 	sig->gtime = cputime_zero;
 	sig->cgtime = cputime_zero;
 	sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
@@ -820,14 +844,8 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim);
 	task_unlock(current->group_leader);
 
-	if (sig->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) {
-		/*
-		 * New sole thread in the process gets an expiry time
-		 * of the whole CPU time limit.
-		 */
-		tsk->it_prof_expires =
-			secs_to_cputime(sig->rlim[RLIMIT_CPU].rlim_cur);
-	}
+	posix_cpu_timers_init_group(sig);
+
 	acct_init_pacct(&sig->pacct);
 
 	tty_audit_fork(sig);
@@ -837,6 +855,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 
 void __cleanup_signal(struct signal_struct *sig)
 {
+	thread_group_cputime_free(sig);
 	exit_thread_group_keys(sig);
 	kmem_cache_free(signal_cachep, sig);
 }
@@ -885,6 +904,19 @@ void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
 }
 #endif /* CONFIG_MM_OWNER */
 
+/*
+ * Initialize POSIX timer handling for a single task.
+ */
+static void posix_cpu_timers_init(struct task_struct *tsk)
+{
+	tsk->cputime_expires.prof_exp = cputime_zero;
+	tsk->cputime_expires.virt_exp = cputime_zero;
+	tsk->cputime_expires.sched_exp = 0;
+	INIT_LIST_HEAD(&tsk->cpu_timers[0]);
+	INIT_LIST_HEAD(&tsk->cpu_timers[1]);
+	INIT_LIST_HEAD(&tsk->cpu_timers[2]);
+}
+
 /*
  * This creates a new process as a copy of the old one,
  * but does not actually start it yet.
@@ -995,12 +1027,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	task_io_accounting_init(&p->ioac);
 	acct_clear_integrals(p);
 
-	p->it_virt_expires = cputime_zero;
-	p->it_prof_expires = cputime_zero;
-	p->it_sched_expires = 0;
-	INIT_LIST_HEAD(&p->cpu_timers[0]);
-	INIT_LIST_HEAD(&p->cpu_timers[1]);
-	INIT_LIST_HEAD(&p->cpu_timers[2]);
+	posix_cpu_timers_init(p);
 
 	p->lock_depth = -1;		/* -1 = no lock */
 	do_posix_clock_monotonic_gettime(&p->start_time);
@@ -1201,21 +1228,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	if (clone_flags & CLONE_THREAD) {
 		p->group_leader = current->group_leader;
 		list_add_tail_rcu(&p->thread_group, &p->group_leader->thread_group);
-
-		if (!cputime_eq(current->signal->it_virt_expires,
-				cputime_zero) ||
-		    !cputime_eq(current->signal->it_prof_expires,
-				cputime_zero) ||
-		    current->signal->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY ||
-		    !list_empty(&current->signal->cpu_timers[0]) ||
-		    !list_empty(&current->signal->cpu_timers[1]) ||
-		    !list_empty(&current->signal->cpu_timers[2])) {
-			/*
-			 * Have child wake up on its first tick to check
-			 * for process CPU timers.
-			 */
-			p->it_prof_expires = jiffies_to_cputime(1);
-		}
 	}
 
 	if (likely(p->pid)) {
diff --git a/kernel/itimer.c b/kernel/itimer.c
index ab982747d9b..db7c358b9a0 100644
--- a/kernel/itimer.c
+++ b/kernel/itimer.c
@@ -55,17 +55,15 @@ int do_getitimer(int which, struct itimerval *value)
 		spin_unlock_irq(&tsk->sighand->siglock);
 		break;
 	case ITIMER_VIRTUAL:
-		read_lock(&tasklist_lock);
 		spin_lock_irq(&tsk->sighand->siglock);
 		cval = tsk->signal->it_virt_expires;
 		cinterval = tsk->signal->it_virt_incr;
 		if (!cputime_eq(cval, cputime_zero)) {
-			struct task_struct *t = tsk;
-			cputime_t utime = tsk->signal->utime;
-			do {
-				utime = cputime_add(utime, t->utime);
-				t = next_thread(t);
-			} while (t != tsk);
+			struct task_cputime cputime;
+			cputime_t utime;
+
+			thread_group_cputime(tsk, &cputime);
+			utime = cputime.utime;
 			if (cputime_le(cval, utime)) { /* about to fire */
 				cval = jiffies_to_cputime(1);
 			} else {
@@ -73,25 +71,19 @@ int do_getitimer(int which, struct itimerval *value)
 			}
 		}
 		spin_unlock_irq(&tsk->sighand->siglock);
-		read_unlock(&tasklist_lock);
 		cputime_to_timeval(cval, &value->it_value);
 		cputime_to_timeval(cinterval, &value->it_interval);
 		break;
 	case ITIMER_PROF:
-		read_lock(&tasklist_lock);
 		spin_lock_irq(&tsk->sighand->siglock);
 		cval = tsk->signal->it_prof_expires;
 		cinterval = tsk->signal->it_prof_incr;
 		if (!cputime_eq(cval, cputime_zero)) {
-			struct task_struct *t = tsk;
-			cputime_t ptime = cputime_add(tsk->signal->utime,
-						      tsk->signal->stime);
-			do {
-				ptime = cputime_add(ptime,
-						    cputime_add(t->utime,
-								t->stime));
-				t = next_thread(t);
-			} while (t != tsk);
+			struct task_cputime times;
+			cputime_t ptime;
+
+			thread_group_cputime(tsk, &times);
+			ptime = cputime_add(times.utime, times.stime);
 			if (cputime_le(cval, ptime)) { /* about to fire */
 				cval = jiffies_to_cputime(1);
 			} else {
@@ -99,7 +91,6 @@ int do_getitimer(int which, struct itimerval *value)
 			}
 		}
 		spin_unlock_irq(&tsk->sighand->siglock);
-		read_unlock(&tasklist_lock);
 		cputime_to_timeval(cval, &value->it_value);
 		cputime_to_timeval(cinterval, &value->it_interval);
 		break;
@@ -185,7 +176,6 @@ again:
 	case ITIMER_VIRTUAL:
 		nval = timeval_to_cputime(&value->it_value);
 		ninterval = timeval_to_cputime(&value->it_interval);
-		read_lock(&tasklist_lock);
 		spin_lock_irq(&tsk->sighand->siglock);
 		cval = tsk->signal->it_virt_expires;
 		cinterval = tsk->signal->it_virt_incr;
@@ -200,7 +190,6 @@ again:
 		tsk->signal->it_virt_expires = nval;
 		tsk->signal->it_virt_incr = ninterval;
 		spin_unlock_irq(&tsk->sighand->siglock);
-		read_unlock(&tasklist_lock);
 		if (ovalue) {
 			cputime_to_timeval(cval, &ovalue->it_value);
 			cputime_to_timeval(cinterval, &ovalue->it_interval);
@@ -209,7 +198,6 @@ again:
 	case ITIMER_PROF:
 		nval = timeval_to_cputime(&value->it_value);
 		ninterval = timeval_to_cputime(&value->it_interval);
-		read_lock(&tasklist_lock);
 		spin_lock_irq(&tsk->sighand->siglock);
 		cval = tsk->signal->it_prof_expires;
 		cinterval = tsk->signal->it_prof_incr;
@@ -224,7 +212,6 @@ again:
 		tsk->signal->it_prof_expires = nval;
 		tsk->signal->it_prof_incr = ninterval;
 		spin_unlock_irq(&tsk->sighand->siglock);
-		read_unlock(&tasklist_lock);
 		if (ovalue) {
 			cputime_to_timeval(cval, &ovalue->it_value);
 			cputime_to_timeval(cinterval, &ovalue->it_interval);
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index c42a03aef36..dba1c334c3e 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -8,6 +8,99 @@
 #include <linux/math64.h>
 #include <asm/uaccess.h>
 
+#ifdef CONFIG_SMP
+/*
+ * Allocate the thread_group_cputime structure appropriately for SMP kernels
+ * and fill in the current values of the fields.  Called from copy_signal()
+ * via thread_group_cputime_clone_thread() when adding a second or subsequent
+ * thread to a thread group.  Assumes interrupts are enabled when called.
+ */
+int thread_group_cputime_alloc_smp(struct task_struct *tsk)
+{
+	struct signal_struct *sig = tsk->signal;
+	struct task_cputime *cputime;
+
+	/*
+	 * If we have multiple threads and we don't already have a
+	 * per-CPU task_cputime struct, allocate one and fill it in with
+	 * the times accumulated so far.
+	 */
+	if (sig->cputime.totals)
+		return 0;
+	cputime = alloc_percpu(struct task_cputime);
+	if (cputime == NULL)
+		return -ENOMEM;
+	read_lock(&tasklist_lock);
+	spin_lock_irq(&tsk->sighand->siglock);
+	if (sig->cputime.totals) {
+		spin_unlock_irq(&tsk->sighand->siglock);
+		read_unlock(&tasklist_lock);
+		free_percpu(cputime);
+		return 0;
+	}
+	sig->cputime.totals = cputime;
+	cputime = per_cpu_ptr(sig->cputime.totals, get_cpu());
+	cputime->utime = tsk->utime;
+	cputime->stime = tsk->stime;
+	cputime->sum_exec_runtime = tsk->se.sum_exec_runtime;
+	put_cpu_no_resched();
+	spin_unlock_irq(&tsk->sighand->siglock);
+	read_unlock(&tasklist_lock);
+	return 0;
+}
+
+/**
+ * thread_group_cputime_smp - Sum the thread group time fields across all CPUs.
+ *
+ * @tsk:	The task we use to identify the thread group.
+ * @times:	task_cputime structure in which we return the summed fields.
+ *
+ * Walk the list of CPUs to sum the per-CPU time fields in the thread group
+ * time structure.
+ */
+void thread_group_cputime_smp(
+	struct task_struct *tsk,
+	struct task_cputime *times)
+{
+	struct signal_struct *sig;
+	int i;
+	struct task_cputime *tot;
+
+	sig = tsk->signal;
+	if (unlikely(!sig) || !sig->cputime.totals) {
+		times->utime = tsk->utime;
+		times->stime = tsk->stime;
+		times->sum_exec_runtime = tsk->se.sum_exec_runtime;
+		return;
+	}
+	times->stime = times->utime = cputime_zero;
+	times->sum_exec_runtime = 0;
+	for_each_possible_cpu(i) {
+		tot = per_cpu_ptr(tsk->signal->cputime.totals, i);
+		times->utime = cputime_add(times->utime, tot->utime);
+		times->stime = cputime_add(times->stime, tot->stime);
+		times->sum_exec_runtime += tot->sum_exec_runtime;
+	}
+}
+
+#endif /* CONFIG_SMP */
+
+/*
+ * Called after updating RLIMIT_CPU to set timer expiration if necessary.
+ */
+void update_rlimit_cpu(unsigned long rlim_new)
+{
+	cputime_t cputime;
+
+	cputime = secs_to_cputime(rlim_new);
+	if (cputime_eq(current->signal->it_prof_expires, cputime_zero) ||
+            cputime_lt(current->signal->it_prof_expires, cputime)) {
+		spin_lock_irq(&current->sighand->siglock);
+		set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL);
+		spin_unlock_irq(&current->sighand->siglock);
+	}
+}
+
 static int check_clock(const clockid_t which_clock)
 {
 	int error = 0;
@@ -158,10 +251,6 @@ static inline cputime_t virt_ticks(struct task_struct *p)
 {
 	return p->utime;
 }
-static inline unsigned long long sched_ns(struct task_struct *p)
-{
-	return task_sched_runtime(p);
-}
 
 int posix_cpu_clock_getres(const clockid_t which_clock, struct timespec *tp)
 {
@@ -211,7 +300,7 @@ static int cpu_clock_sample(const clockid_t which_clock, struct task_struct *p,
 		cpu->cpu = virt_ticks(p);
 		break;
 	case CPUCLOCK_SCHED:
-		cpu->sched = sched_ns(p);
+		cpu->sched = task_sched_runtime(p);
 		break;
 	}
 	return 0;
@@ -226,31 +315,20 @@ static int cpu_clock_sample_group_locked(unsigned int clock_idx,
 					 struct task_struct *p,
 					 union cpu_time_count *cpu)
 {
-	struct task_struct *t = p;
- 	switch (clock_idx) {
+	struct task_cputime cputime;
+
+	thread_group_cputime(p, &cputime);
+	switch (clock_idx) {
 	default:
 		return -EINVAL;
 	case CPUCLOCK_PROF:
-		cpu->cpu = cputime_add(p->signal->utime, p->signal->stime);
-		do {
-			cpu->cpu = cputime_add(cpu->cpu, prof_ticks(t));
-			t = next_thread(t);
-		} while (t != p);
+		cpu->cpu = cputime_add(cputime.utime, cputime.stime);
 		break;
 	case CPUCLOCK_VIRT:
-		cpu->cpu = p->signal->utime;
-		do {
-			cpu->cpu = cputime_add(cpu->cpu, virt_ticks(t));
-			t = next_thread(t);
-		} while (t != p);
+		cpu->cpu = cputime.utime;
 		break;
 	case CPUCLOCK_SCHED:
-		cpu->sched = p->signal->sum_sched_runtime;
-		/* Add in each other live thread.  */
-		while ((t = next_thread(t)) != p) {
-			cpu->sched += t->se.sum_exec_runtime;
-		}
-		cpu->sched += sched_ns(p);
+		cpu->sched = thread_group_sched_runtime(p);
 		break;
 	}
 	return 0;
@@ -471,80 +549,11 @@ void posix_cpu_timers_exit(struct task_struct *tsk)
 }
 void posix_cpu_timers_exit_group(struct task_struct *tsk)
 {
-	cleanup_timers(tsk->signal->cpu_timers,
-		       cputime_add(tsk->utime, tsk->signal->utime),
-		       cputime_add(tsk->stime, tsk->signal->stime),
-		     tsk->se.sum_exec_runtime + tsk->signal->sum_sched_runtime);
-}
-
-
-/*
- * Set the expiry times of all the threads in the process so one of them
- * will go off before the process cumulative expiry total is reached.
- */
-static void process_timer_rebalance(struct task_struct *p,
-				    unsigned int clock_idx,
-				    union cpu_time_count expires,
-				    union cpu_time_count val)
-{
-	cputime_t ticks, left;
-	unsigned long long ns, nsleft;
- 	struct task_struct *t = p;
-	unsigned int nthreads = atomic_read(&p->signal->live);
-
-	if (!nthreads)
-		return;
+	struct task_cputime cputime;
 
-	switch (clock_idx) {
-	default:
-		BUG();
-		break;
-	case CPUCLOCK_PROF:
-		left = cputime_div_non_zero(cputime_sub(expires.cpu, val.cpu),
-				       nthreads);
-		do {
-			if (likely(!(t->flags & PF_EXITING))) {
-				ticks = cputime_add(prof_ticks(t), left);
-				if (cputime_eq(t->it_prof_expires,
-					       cputime_zero) ||
-				    cputime_gt(t->it_prof_expires, ticks)) {
-					t->it_prof_expires = ticks;
-				}
-			}
-			t = next_thread(t);
-		} while (t != p);
-		break;
-	case CPUCLOCK_VIRT:
-		left = cputime_div_non_zero(cputime_sub(expires.cpu, val.cpu),
-				       nthreads);
-		do {
-			if (likely(!(t->flags & PF_EXITING))) {
-				ticks = cputime_add(virt_ticks(t), left);
-				if (cputime_eq(t->it_virt_expires,
-					       cputime_zero) ||
-				    cputime_gt(t->it_virt_expires, ticks)) {
-					t->it_virt_expires = ticks;
-				}
-			}
-			t = next_thread(t);
-		} while (t != p);
-		break;
-	case CPUCLOCK_SCHED:
-		nsleft = expires.sched - val.sched;
-		do_div(nsleft, nthreads);
-		nsleft = max_t(unsigned long long, nsleft, 1);
-		do {
-			if (likely(!(t->flags & PF_EXITING))) {
-				ns = t->se.sum_exec_runtime + nsleft;
-				if (t->it_sched_expires == 0 ||
-				    t->it_sched_expires > ns) {
-					t->it_sched_expires = ns;
-				}
-			}
-			t = next_thread(t);
-		} while (t != p);
-		break;
-	}
+	thread_group_cputime(tsk, &cputime);
+	cleanup_timers(tsk->signal->cpu_timers,
+		       cputime.utime, cputime.stime, cputime.sum_exec_runtime);
 }
 
 static void clear_dead_task(struct k_itimer *timer, union cpu_time_count now)
@@ -608,29 +617,32 @@ static void arm_timer(struct k_itimer *timer, union cpu_time_count now)
 			default:
 				BUG();
 			case CPUCLOCK_PROF:
-				if (cputime_eq(p->it_prof_expires,
+				if (cputime_eq(p->cputime_expires.prof_exp,
 					       cputime_zero) ||
-				    cputime_gt(p->it_prof_expires,
+				    cputime_gt(p->cputime_expires.prof_exp,
 					       nt->expires.cpu))
-					p->it_prof_expires = nt->expires.cpu;
+					p->cputime_expires.prof_exp =
+						nt->expires.cpu;
 				break;
 			case CPUCLOCK_VIRT:
-				if (cputime_eq(p->it_virt_expires,
+				if (cputime_eq(p->cputime_expires.virt_exp,
 					       cputime_zero) ||
-				    cputime_gt(p->it_virt_expires,
+				    cputime_gt(p->cputime_expires.virt_exp,
 					       nt->expires.cpu))
-					p->it_virt_expires = nt->expires.cpu;
+					p->cputime_expires.virt_exp =
+						nt->expires.cpu;
 				break;
 			case CPUCLOCK_SCHED:
-				if (p->it_sched_expires == 0 ||
-				    p->it_sched_expires > nt->expires.sched)
-					p->it_sched_expires = nt->expires.sched;
+				if (p->cputime_expires.sched_exp == 0 ||
+				    p->cputime_expires.sched_exp >
+							nt->expires.sched)
+					p->cputime_expires.sched_exp =
+						nt->expires.sched;
 				break;
 			}
 		} else {
 			/*
-			 * For a process timer, we must balance
-			 * all the live threads' expirations.
+			 * For a process timer, set the cached expiration time.
 			 */
 			switch (CPUCLOCK_WHICH(timer->it_clock)) {
 			default:
@@ -641,7 +653,9 @@ static void arm_timer(struct k_itimer *timer, union cpu_time_count now)
 				    cputime_lt(p->signal->it_virt_expires,
 					       timer->it.cpu.expires.cpu))
 					break;
-				goto rebalance;
+				p->signal->cputime_expires.virt_exp =
+					timer->it.cpu.expires.cpu;
+				break;
 			case CPUCLOCK_PROF:
 				if (!cputime_eq(p->signal->it_prof_expires,
 						cputime_zero) &&
@@ -652,13 +666,12 @@ static void arm_timer(struct k_itimer *timer, union cpu_time_count now)
 				if (i != RLIM_INFINITY &&
 				    i <= cputime_to_secs(timer->it.cpu.expires.cpu))
 					break;
-				goto rebalance;
+				p->signal->cputime_expires.prof_exp =
+					timer->it.cpu.expires.cpu;
+				break;
 			case CPUCLOCK_SCHED:
-			rebalance:
-				process_timer_rebalance(
-					timer->it.cpu.task,
-					CPUCLOCK_WHICH(timer->it_clock),
-					timer->it.cpu.expires, now);
+				p->signal->cputime_expires.sched_exp =
+					timer->it.cpu.expires.sched;
 				break;
 			}
 		}
@@ -969,13 +982,13 @@ static void check_thread_timers(struct task_struct *tsk,
 	struct signal_struct *const sig = tsk->signal;
 
 	maxfire = 20;
-	tsk->it_prof_expires = cputime_zero;
+	tsk->cputime_expires.prof_exp = cputime_zero;
 	while (!list_empty(timers)) {
 		struct cpu_timer_list *t = list_first_entry(timers,
 						      struct cpu_timer_list,
 						      entry);
 		if (!--maxfire || cputime_lt(prof_ticks(tsk), t->expires.cpu)) {
-			tsk->it_prof_expires = t->expires.cpu;
+			tsk->cputime_expires.prof_exp = t->expires.cpu;
 			break;
 		}
 		t->firing = 1;
@@ -984,13 +997,13 @@ static void check_thread_timers(struct task_struct *tsk,
 
 	++timers;
 	maxfire = 20;
-	tsk->it_virt_expires = cputime_zero;
+	tsk->cputime_expires.virt_exp = cputime_zero;
 	while (!list_empty(timers)) {
 		struct cpu_timer_list *t = list_first_entry(timers,
 						      struct cpu_timer_list,
 						      entry);
 		if (!--maxfire || cputime_lt(virt_ticks(tsk), t->expires.cpu)) {
-			tsk->it_virt_expires = t->expires.cpu;
+			tsk->cputime_expires.virt_exp = t->expires.cpu;
 			break;
 		}
 		t->firing = 1;
@@ -999,13 +1012,13 @@ static void check_thread_timers(struct task_struct *tsk,
 
 	++timers;
 	maxfire = 20;
-	tsk->it_sched_expires = 0;
+	tsk->cputime_expires.sched_exp = 0;
 	while (!list_empty(timers)) {
 		struct cpu_timer_list *t = list_first_entry(timers,
 						      struct cpu_timer_list,
 						      entry);
 		if (!--maxfire || tsk->se.sum_exec_runtime < t->expires.sched) {
-			tsk->it_sched_expires = t->expires.sched;
+			tsk->cputime_expires.sched_exp = t->expires.sched;
 			break;
 		}
 		t->firing = 1;
@@ -1055,10 +1068,10 @@ static void check_process_timers(struct task_struct *tsk,
 {
 	int maxfire;
 	struct signal_struct *const sig = tsk->signal;
-	cputime_t utime, stime, ptime, virt_expires, prof_expires;
+	cputime_t utime, ptime, virt_expires, prof_expires;
 	unsigned long long sum_sched_runtime, sched_expires;
-	struct task_struct *t;
 	struct list_head *timers = sig->cpu_timers;
+	struct task_cputime cputime;
 
 	/*
 	 * Don't sample the current process CPU clocks if there are no timers.
@@ -1074,18 +1087,10 @@ static void check_process_timers(struct task_struct *tsk,
 	/*
 	 * Collect the current process totals.
 	 */
-	utime = sig->utime;
-	stime = sig->stime;
-	sum_sched_runtime = sig->sum_sched_runtime;
-	t = tsk;
-	do {
-		utime = cputime_add(utime, t->utime);
-		stime = cputime_add(stime, t->stime);
-		sum_sched_runtime += t->se.sum_exec_runtime;
-		t = next_thread(t);
-	} while (t != tsk);
-	ptime = cputime_add(utime, stime);
-
+	thread_group_cputime(tsk, &cputime);
+	utime = cputime.utime;
+	ptime = cputime_add(utime, cputime.stime);
+	sum_sched_runtime = cputime.sum_exec_runtime;
 	maxfire = 20;
 	prof_expires = cputime_zero;
 	while (!list_empty(timers)) {
@@ -1193,60 +1198,18 @@ static void check_process_timers(struct task_struct *tsk,
 		}
 	}
 
-	if (!cputime_eq(prof_expires, cputime_zero) ||
-	    !cputime_eq(virt_expires, cputime_zero) ||
-	    sched_expires != 0) {
-		/*
-		 * Rebalance the threads' expiry times for the remaining
-		 * process CPU timers.
-		 */
-
-		cputime_t prof_left, virt_left, ticks;
-		unsigned long long sched_left, sched;
-		const unsigned int nthreads = atomic_read(&sig->live);
-
-		if (!nthreads)
-			return;
-
-		prof_left = cputime_sub(prof_expires, utime);
-		prof_left = cputime_sub(prof_left, stime);
-		prof_left = cputime_div_non_zero(prof_left, nthreads);
-		virt_left = cputime_sub(virt_expires, utime);
-		virt_left = cputime_div_non_zero(virt_left, nthreads);
-		if (sched_expires) {
-			sched_left = sched_expires - sum_sched_runtime;
-			do_div(sched_left, nthreads);
-			sched_left = max_t(unsigned long long, sched_left, 1);
-		} else {
-			sched_left = 0;
-		}
-		t = tsk;
-		do {
-			if (unlikely(t->flags & PF_EXITING))
-				continue;
-
-			ticks = cputime_add(cputime_add(t->utime, t->stime),
-					    prof_left);
-			if (!cputime_eq(prof_expires, cputime_zero) &&
-			    (cputime_eq(t->it_prof_expires, cputime_zero) ||
-			     cputime_gt(t->it_prof_expires, ticks))) {
-				t->it_prof_expires = ticks;
-			}
-
-			ticks = cputime_add(t->utime, virt_left);
-			if (!cputime_eq(virt_expires, cputime_zero) &&
-			    (cputime_eq(t->it_virt_expires, cputime_zero) ||
-			     cputime_gt(t->it_virt_expires, ticks))) {
-				t->it_virt_expires = ticks;
-			}
-
-			sched = t->se.sum_exec_runtime + sched_left;
-			if (sched_expires && (t->it_sched_expires == 0 ||
-					      t->it_sched_expires > sched)) {
-				t->it_sched_expires = sched;
-			}
-		} while ((t = next_thread(t)) != tsk);
-	}
+	if (!cputime_eq(prof_expires, cputime_zero) &&
+	    (cputime_eq(sig->cputime_expires.prof_exp, cputime_zero) ||
+	     cputime_gt(sig->cputime_expires.prof_exp, prof_expires)))
+		sig->cputime_expires.prof_exp = prof_expires;
+	if (!cputime_eq(virt_expires, cputime_zero) &&
+	    (cputime_eq(sig->cputime_expires.virt_exp, cputime_zero) ||
+	     cputime_gt(sig->cputime_expires.virt_exp, virt_expires)))
+		sig->cputime_expires.virt_exp = virt_expires;
+	if (sched_expires != 0 &&
+	    (sig->cputime_expires.sched_exp == 0 ||
+	     sig->cputime_expires.sched_exp > sched_expires))
+		sig->cputime_expires.sched_exp = sched_expires;
 }
 
 /*
@@ -1314,6 +1277,78 @@ out:
 	++timer->it_requeue_pending;
 }
 
+/**
+ * task_cputime_zero - Check a task_cputime struct for all zero fields.
+ *
+ * @cputime:	The struct to compare.
+ *
+ * Checks @cputime to see if all fields are zero.  Returns true if all fields
+ * are zero, false if any field is nonzero.
+ */
+static inline int task_cputime_zero(const struct task_cputime *cputime)
+{
+	if (cputime_eq(cputime->utime, cputime_zero) &&
+	    cputime_eq(cputime->stime, cputime_zero) &&
+	    cputime->sum_exec_runtime == 0)
+		return 1;
+	return 0;
+}
+
+/**
+ * task_cputime_expired - Compare two task_cputime entities.
+ *
+ * @sample:	The task_cputime structure to be checked for expiration.
+ * @expires:	Expiration times, against which @sample will be checked.
+ *
+ * Checks @sample against @expires to see if any field of @sample has expired.
+ * Returns true if any field of the former is greater than the corresponding
+ * field of the latter if the latter field is set.  Otherwise returns false.
+ */
+static inline int task_cputime_expired(const struct task_cputime *sample,
+					const struct task_cputime *expires)
+{
+	if (!cputime_eq(expires->utime, cputime_zero) &&
+	    cputime_ge(sample->utime, expires->utime))
+		return 1;
+	if (!cputime_eq(expires->stime, cputime_zero) &&
+	    cputime_ge(cputime_add(sample->utime, sample->stime),
+		       expires->stime))
+		return 1;
+	if (expires->sum_exec_runtime != 0 &&
+	    sample->sum_exec_runtime >= expires->sum_exec_runtime)
+		return 1;
+	return 0;
+}
+
+/**
+ * fastpath_timer_check - POSIX CPU timers fast path.
+ *
+ * @tsk:	The task (thread) being checked.
+ * @sig:	The signal pointer for that task.
+ *
+ * If there are no timers set return false.  Otherwise snapshot the task and
+ * thread group timers, then compare them with the corresponding expiration
+ # times.  Returns true if a timer has expired, else returns false.
+ */
+static inline int fastpath_timer_check(struct task_struct *tsk,
+					struct signal_struct *sig)
+{
+	struct task_cputime task_sample = {
+		.utime = tsk->utime,
+		.stime = tsk->stime,
+		.sum_exec_runtime = tsk->se.sum_exec_runtime
+	};
+	struct task_cputime group_sample;
+
+	if (task_cputime_zero(&tsk->cputime_expires) &&
+	    task_cputime_zero(&sig->cputime_expires))
+		return 0;
+	if (task_cputime_expired(&task_sample, &tsk->cputime_expires))
+		return 1;
+	thread_group_cputime(tsk, &group_sample);
+	return task_cputime_expired(&group_sample, &sig->cputime_expires);
+}
+
 /*
  * This is called from the timer interrupt handler.  The irq handler has
  * already updated our counts.  We need to check if any timers fire now.
@@ -1323,30 +1358,29 @@ void run_posix_cpu_timers(struct task_struct *tsk)
 {
 	LIST_HEAD(firing);
 	struct k_itimer *timer, *next;
+	struct signal_struct *sig;
+	struct sighand_struct *sighand;
+	unsigned long flags;
 
 	BUG_ON(!irqs_disabled());
 
-#define UNEXPIRED(clock) \
-		(cputime_eq(tsk->it_##clock##_expires, cputime_zero) || \
-		 cputime_lt(clock##_ticks(tsk), tsk->it_##clock##_expires))
-
-	if (UNEXPIRED(prof) && UNEXPIRED(virt) &&
-	    (tsk->it_sched_expires == 0 ||
-	     tsk->se.sum_exec_runtime < tsk->it_sched_expires))
-		return;
-
-#undef	UNEXPIRED
-
+	/* Pick up tsk->signal and make sure it's valid. */
+	sig = tsk->signal;
 	/*
-	 * Double-check with locks held.
+	 * The fast path checks that there are no expired thread or thread
+	 * group timers.  If that's so, just return.  Also check that
+	 * tsk->signal is non-NULL; this probably can't happen but cover the
+	 * possibility anyway.
 	 */
-	read_lock(&tasklist_lock);
-	if (likely(tsk->signal != NULL)) {
-		spin_lock(&tsk->sighand->siglock);
-
+	if (unlikely(!sig) || !fastpath_timer_check(tsk, sig)) {
+		return;
+	}
+	sighand = lock_task_sighand(tsk, &flags);
+	if (likely(sighand)) {
 		/*
-		 * Here we take off tsk->cpu_timers[N] and tsk->signal->cpu_timers[N]
-		 * all the timers that are firing, and put them on the firing list.
+		 * Here we take off tsk->signal->cpu_timers[N] and
+		 * tsk->cpu_timers[N] all the timers that are firing, and
+		 * put them on the firing list.
 		 */
 		check_thread_timers(tsk, &firing);
 		check_process_timers(tsk, &firing);
@@ -1359,9 +1393,8 @@ void run_posix_cpu_timers(struct task_struct *tsk)
 		 * that gets the timer lock before we do will give it up and
 		 * spin until we've taken care of that timer below.
 		 */
-		spin_unlock(&tsk->sighand->siglock);
 	}
-	read_unlock(&tasklist_lock);
+	unlock_task_sighand(tsk, &flags);
 
 	/*
 	 * Now that all the timers on our list have the firing flag,
@@ -1389,10 +1422,9 @@ void run_posix_cpu_timers(struct task_struct *tsk)
 
 /*
  * Set one of the process-wide special case CPU timers.
- * The tasklist_lock and tsk->sighand->siglock must be held by the caller.
- * The oldval argument is null for the RLIMIT_CPU timer, where *newval is
- * absolute; non-null for ITIMER_*, where *newval is relative and we update
- * it to be absolute, *oldval is absolute and we update it to be relative.
+ * The tsk->sighand->siglock must be held by the caller.
+ * The *newval argument is relative and we update it to be absolute, *oldval
+ * is absolute and we update it to be relative.
  */
 void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
 			   cputime_t *newval, cputime_t *oldval)
@@ -1435,13 +1467,14 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
 	    cputime_ge(list_first_entry(head,
 				  struct cpu_timer_list, entry)->expires.cpu,
 		       *newval)) {
-		/*
-		 * Rejigger each thread's expiry time so that one will
-		 * notice before we hit the process-cumulative expiry time.
-		 */
-		union cpu_time_count expires = { .sched = 0 };
-		expires.cpu = *newval;
-		process_timer_rebalance(tsk, clock_idx, expires, now);
+		switch (clock_idx) {
+		case CPUCLOCK_PROF:
+			tsk->signal->cputime_expires.prof_exp = *newval;
+			break;
+		case CPUCLOCK_VIRT:
+			tsk->signal->cputime_expires.virt_exp = *newval;
+			break;
+		}
 	}
 }
 
diff --git a/kernel/sched.c b/kernel/sched.c
index cc1f81b50b8..c51b5d27666 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4036,6 +4036,25 @@ DEFINE_PER_CPU(struct kernel_stat, kstat);
 
 EXPORT_PER_CPU_SYMBOL(kstat);
 
+/*
+ * Return any ns on the sched_clock that have not yet been banked in
+ * @p in case that task is currently running.
+ *
+ * Called with task_rq_lock() held on @rq.
+ */
+static unsigned long long task_delta_exec(struct task_struct *p, struct rq *rq)
+{
+	if (task_current(rq, p)) {
+		u64 delta_exec;
+
+		update_rq_clock(rq);
+		delta_exec = rq->clock - p->se.exec_start;
+		if ((s64)delta_exec > 0)
+			return delta_exec;
+	}
+	return 0;
+}
+
 /*
  * Return p->sum_exec_runtime plus any more ns on the sched_clock
  * that have not yet been banked in case the task is currently running.
@@ -4043,17 +4062,31 @@ EXPORT_PER_CPU_SYMBOL(kstat);
 unsigned long long task_sched_runtime(struct task_struct *p)
 {
 	unsigned long flags;
-	u64 ns, delta_exec;
+	u64 ns;
 	struct rq *rq;
 
 	rq = task_rq_lock(p, &flags);
-	ns = p->se.sum_exec_runtime;
-	if (task_current(rq, p)) {
-		update_rq_clock(rq);
-		delta_exec = rq->clock - p->se.exec_start;
-		if ((s64)delta_exec > 0)
-			ns += delta_exec;
-	}
+	ns = p->se.sum_exec_runtime + task_delta_exec(p, rq);
+	task_rq_unlock(rq, &flags);
+
+	return ns;
+}
+
+/*
+ * Return sum_exec_runtime for the thread group plus any more ns on the
+ * sched_clock that have not yet been banked in case the task is currently
+ * running.
+ */
+unsigned long long thread_group_sched_runtime(struct task_struct *p)
+{
+	unsigned long flags;
+	u64 ns;
+	struct rq *rq;
+	struct task_cputime totals;
+
+	rq = task_rq_lock(p, &flags);
+	thread_group_cputime(p, &totals);
+	ns = totals.sum_exec_runtime + task_delta_exec(p, rq);
 	task_rq_unlock(rq, &flags);
 
 	return ns;
@@ -4070,6 +4103,7 @@ void account_user_time(struct task_struct *p, cputime_t cputime)
 	cputime64_t tmp;
 
 	p->utime = cputime_add(p->utime, cputime);
+	account_group_user_time(p, cputime);
 
 	/* Add user time to cpustat. */
 	tmp = cputime_to_cputime64(cputime);
@@ -4094,6 +4128,7 @@ static void account_guest_time(struct task_struct *p, cputime_t cputime)
 	tmp = cputime_to_cputime64(cputime);
 
 	p->utime = cputime_add(p->utime, cputime);
+	account_group_user_time(p, cputime);
 	p->gtime = cputime_add(p->gtime, cputime);
 
 	cpustat->user = cputime64_add(cpustat->user, tmp);
@@ -4129,6 +4164,7 @@ void account_system_time(struct task_struct *p, int hardirq_offset,
 	}
 
 	p->stime = cputime_add(p->stime, cputime);
+	account_group_system_time(p, cputime);
 
 	/* Add system time to cpustat. */
 	tmp = cputime_to_cputime64(cputime);
@@ -4170,6 +4206,7 @@ void account_steal_time(struct task_struct *p, cputime_t steal)
 
 	if (p == rq->idle) {
 		p->stime = cputime_add(p->stime, steal);
+		account_group_system_time(p, steal);
 		if (atomic_read(&rq->nr_iowait) > 0)
 			cpustat->iowait = cputime64_add(cpustat->iowait, tmp);
 		else
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index fb8994c6d4b..99aa31acc54 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -507,6 +507,7 @@ static void update_curr(struct cfs_rq *cfs_rq)
 		struct task_struct *curtask = task_of(curr);
 
 		cpuacct_charge(curtask, delta_exec);
+		account_group_exec_runtime(curtask, delta_exec);
 	}
 }
 
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 552310798da..8375e69af36 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -483,6 +483,8 @@ static void update_curr_rt(struct rq *rq)
 	schedstat_set(curr->se.exec_max, max(curr->se.exec_max, delta_exec));
 
 	curr->se.sum_exec_runtime += delta_exec;
+	account_group_exec_runtime(curr, delta_exec);
+
 	curr->se.exec_start = rq->clock;
 	cpuacct_charge(curr, delta_exec);
 
@@ -1412,7 +1414,7 @@ static void watchdog(struct rq *rq, struct task_struct *p)
 		p->rt.timeout++;
 		next = DIV_ROUND_UP(min(soft, hard), USEC_PER_SEC/HZ);
 		if (p->rt.timeout > next)
-			p->it_sched_expires = p->se.sum_exec_runtime;
+			p->cputime_expires.sched_exp = p->se.sum_exec_runtime;
 	}
 }
 
diff --git a/kernel/signal.c b/kernel/signal.c
index e661b01d340..6eea5826d61 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1338,6 +1338,7 @@ int do_notify_parent(struct task_struct *tsk, int sig)
 	struct siginfo info;
 	unsigned long flags;
 	struct sighand_struct *psig;
+	struct task_cputime cputime;
 	int ret = sig;
 
 	BUG_ON(sig == -1);
@@ -1368,10 +1369,9 @@ int do_notify_parent(struct task_struct *tsk, int sig)
 
 	info.si_uid = tsk->uid;
 
-	info.si_utime = cputime_to_clock_t(cputime_add(tsk->utime,
-						       tsk->signal->utime));
-	info.si_stime = cputime_to_clock_t(cputime_add(tsk->stime,
-						       tsk->signal->stime));
+	thread_group_cputime(tsk, &cputime);
+	info.si_utime = cputime_to_jiffies(cputime.utime);
+	info.si_stime = cputime_to_jiffies(cputime.stime);
 
 	info.si_status = tsk->exit_code & 0x7f;
 	if (tsk->exit_code & 0x80)
diff --git a/kernel/sys.c b/kernel/sys.c
index 038a7bc0901..d046a7a055c 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -853,38 +853,28 @@ asmlinkage long sys_setfsgid(gid_t gid)
 	return old_fsgid;
 }
 
+void do_sys_times(struct tms *tms)
+{
+	struct task_cputime cputime;
+	cputime_t cutime, cstime;
+
+	spin_lock_irq(&current->sighand->siglock);
+	thread_group_cputime(current, &cputime);
+	cutime = current->signal->cutime;
+	cstime = current->signal->cstime;
+	spin_unlock_irq(&current->sighand->siglock);
+	tms->tms_utime = cputime_to_clock_t(cputime.utime);
+	tms->tms_stime = cputime_to_clock_t(cputime.stime);
+	tms->tms_cutime = cputime_to_clock_t(cutime);
+	tms->tms_cstime = cputime_to_clock_t(cstime);
+}
+
 asmlinkage long sys_times(struct tms __user * tbuf)
 {
-	/*
-	 *	In the SMP world we might just be unlucky and have one of
-	 *	the times increment as we use it. Since the value is an
-	 *	atomically safe type this is just fine. Conceptually its
-	 *	as if the syscall took an instant longer to occur.
-	 */
 	if (tbuf) {
 		struct tms tmp;
-		struct task_struct *tsk = current;
-		struct task_struct *t;
-		cputime_t utime, stime, cutime, cstime;
-
-		spin_lock_irq(&tsk->sighand->siglock);
-		utime = tsk->signal->utime;
-		stime = tsk->signal->stime;
-		t = tsk;
-		do {
-			utime = cputime_add(utime, t->utime);
-			stime = cputime_add(stime, t->stime);
-			t = next_thread(t);
-		} while (t != tsk);
-
-		cutime = tsk->signal->cutime;
-		cstime = tsk->signal->cstime;
-		spin_unlock_irq(&tsk->sighand->siglock);
-
-		tmp.tms_utime = cputime_to_clock_t(utime);
-		tmp.tms_stime = cputime_to_clock_t(stime);
-		tmp.tms_cutime = cputime_to_clock_t(cutime);
-		tmp.tms_cstime = cputime_to_clock_t(cstime);
+
+		do_sys_times(&tmp);
 		if (copy_to_user(tbuf, &tmp, sizeof(struct tms)))
 			return -EFAULT;
 	}
@@ -1445,7 +1435,6 @@ asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *r
 asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim)
 {
 	struct rlimit new_rlim, *old_rlim;
-	unsigned long it_prof_secs;
 	int retval;
 
 	if (resource >= RLIM_NLIMITS)
@@ -1491,18 +1480,7 @@ asmlinkage long sys_setrlimit(unsigned int resource, struct rlimit __user *rlim)
 	if (new_rlim.rlim_cur == RLIM_INFINITY)
 		goto out;
 
-	it_prof_secs = cputime_to_secs(current->signal->it_prof_expires);
-	if (it_prof_secs == 0 || new_rlim.rlim_cur <= it_prof_secs) {
-		unsigned long rlim_cur = new_rlim.rlim_cur;
-		cputime_t cputime;
-
-		cputime = secs_to_cputime(rlim_cur);
-		read_lock(&tasklist_lock);
-		spin_lock_irq(&current->sighand->siglock);
-		set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL);
-		spin_unlock_irq(&current->sighand->siglock);
-		read_unlock(&tasklist_lock);
-	}
+	update_rlimit_cpu(new_rlim.rlim_cur);
 out:
 	return 0;
 }
@@ -1540,11 +1518,8 @@ out:
  *
  */
 
-static void accumulate_thread_rusage(struct task_struct *t, struct rusage *r,
-				     cputime_t *utimep, cputime_t *stimep)
+static void accumulate_thread_rusage(struct task_struct *t, struct rusage *r)
 {
-	*utimep = cputime_add(*utimep, t->utime);
-	*stimep = cputime_add(*stimep, t->stime);
 	r->ru_nvcsw += t->nvcsw;
 	r->ru_nivcsw += t->nivcsw;
 	r->ru_minflt += t->min_flt;
@@ -1558,12 +1533,13 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
 	struct task_struct *t;
 	unsigned long flags;
 	cputime_t utime, stime;
+	struct task_cputime cputime;
 
 	memset((char *) r, 0, sizeof *r);
 	utime = stime = cputime_zero;
 
 	if (who == RUSAGE_THREAD) {
-		accumulate_thread_rusage(p, r, &utime, &stime);
+		accumulate_thread_rusage(p, r);
 		goto out;
 	}
 
@@ -1586,8 +1562,9 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
 				break;
 
 		case RUSAGE_SELF:
-			utime = cputime_add(utime, p->signal->utime);
-			stime = cputime_add(stime, p->signal->stime);
+			thread_group_cputime(p, &cputime);
+			utime = cputime_add(utime, cputime.utime);
+			stime = cputime_add(stime, cputime.stime);
 			r->ru_nvcsw += p->signal->nvcsw;
 			r->ru_nivcsw += p->signal->nivcsw;
 			r->ru_minflt += p->signal->min_flt;
@@ -1596,7 +1573,7 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
 			r->ru_oublock += p->signal->oublock;
 			t = p;
 			do {
-				accumulate_thread_rusage(t, r, &utime, &stime);
+				accumulate_thread_rusage(t, r);
 				t = next_thread(t);
 			} while (t != p);
 			break;
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 03fc6a81ae3..69649783c26 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -75,6 +75,7 @@
 #include <linux/string.h>
 #include <linux/selinux.h>
 #include <linux/mutex.h>
+#include <linux/posix-timers.h>
 
 #include "avc.h"
 #include "objsec.h"
@@ -2321,13 +2322,7 @@ static void selinux_bprm_post_apply_creds(struct linux_binprm *bprm)
 			initrlim = init_task.signal->rlim+i;
 			rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur);
 		}
-		if (current->signal->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) {
-			/*
-			 * This will cause RLIMIT_CPU calculations
-			 * to be refigured.
-			 */
-			current->it_prof_expires = jiffies_to_cputime(1);
-		}
+		update_rlimit_cpu(rlim->rlim_cur);
 	}
 
 	/* Wake up the parent if it is waiting so that it can
-- 
GitLab


From 430b5294bd72c085c730e1e4b86580f164d976bf Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 14 Sep 2008 16:33:01 +0200
Subject: [PATCH 0142/2224] timers: fix itimer/many thread hang, fix
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fix:

 kernel/fork.c:843: error: ‘struct signal_struct’ has no member named ‘sum_sched_runtime’
 kernel/irq/handle.c:117: warning: ‘sparse_irq_lock’ defined but not used

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/fork.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index a8ac2efb8e3..1181b9aac48 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -834,7 +834,6 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
 	sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
 	task_io_accounting_init(&sig->ioac);
-	sig->sum_sched_runtime = 0;
 	INIT_LIST_HEAD(&sig->cpu_timers[0]);
 	INIT_LIST_HEAD(&sig->cpu_timers[1]);
 	INIT_LIST_HEAD(&sig->cpu_timers[2]);
-- 
GitLab


From 0a8eaa4f9b58759595a1bfe13a1295fdc25ba026 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 14 Sep 2008 17:03:52 +0200
Subject: [PATCH 0143/2224] timers: fix itimer/many thread hang, fix #2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fix the UP build:

In file included from arch/x86/kernel/asm-offsets_32.c:9,
                 from arch/x86/kernel/asm-offsets.c:3:
include/linux/sched.h: In function ‘thread_group_cputime_clone_thread’:
include/linux/sched.h:2272: warning: no return statement in function returning non-void
include/linux/sched.h: In function ‘thread_group_cputime_account_user’:
include/linux/sched.h:2284: error: invalid type argument of ‘->’ (have ‘struct task_cputime’)
include/linux/sched.h:2284: error: invalid type argument of ‘->’ (have ‘struct task_cputime’)
include/linux/sched.h: In function ‘thread_group_cputime_account_system’:
include/linux/sched.h:2291: error: invalid type argument of ‘->’ (have ‘struct task_cputime’)
include/linux/sched.h:2291: error: invalid type argument of ‘->’ (have ‘struct task_cputime’)
include/linux/sched.h: In function ‘thread_group_cputime_account_exec_runtime’:
include/linux/sched.h:2298: error: invalid type argument of ‘->’ (have ‘struct task_cputime’)
distcc[14501] ERROR: compile arch/x86/kernel/asm-offsets.c on a/30 failed
make[1]: *** [arch/x86/kernel/asm-offsets.s] Error 1

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/sched.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 26d7a5f2d0b..ed355f02d32 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2251,6 +2251,7 @@ static inline void thread_group_cputime_free(struct signal_struct *sig)
 static inline int thread_group_cputime_clone_thread(struct task_struct *curr,
 						     struct task_struct *tsk)
 {
+	return 0;
 }
 
 static inline void thread_group_cputime(struct task_struct *tsk,
@@ -2263,21 +2264,21 @@ static inline void thread_group_cputime_account_user(
 	struct thread_group_cputime *tgtimes,
 	cputime_t cputime)
 {
-	tgtimes->totals->utime = cputime_add(tgtimes->totals->utime, cputime);
+	tgtimes->totals.utime = cputime_add(tgtimes->totals.utime, cputime);
 }
 
 static inline void thread_group_cputime_account_system(
 	struct thread_group_cputime *tgtimes,
 	cputime_t cputime)
 {
-	tgtimes->totals->stime = cputime_add(tgtimes->totals->stime, cputime);
+	tgtimes->totals.stime = cputime_add(tgtimes->totals.stime, cputime);
 }
 
 static inline void thread_group_cputime_account_exec_runtime(
 	struct thread_group_cputime *tgtimes,
 	unsigned long long ns)
 {
-	tgtimes->totals->sum_exec_runtime += ns;
+	tgtimes->totals.sum_exec_runtime += ns;
 }
 
 #endif /* CONFIG_SMP */
-- 
GitLab


From 5ce73a4a5a4893a1aa4cdeed1b1a5a6de42c43b6 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Sun, 14 Sep 2008 17:11:46 +0200
Subject: [PATCH 0144/2224] timers: fix itimer/many thread hang, cleanups

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/sched.h     | 2 +-
 kernel/posix-cpu-timers.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ed355f02d32..7ce8d4e5356 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -430,7 +430,7 @@ struct pacct_struct {
  * @utime:		time spent in user mode, in &cputime_t units
  * @stime:		time spent in kernel mode, in &cputime_t units
  * @sum_exec_runtime:	total time spent on the CPU, in nanoseconds
- * 
+ *
  * This structure groups together three kinds of CPU time that are
  * tracked for threads and thread groups.  Most things considering
  * CPU time want to group these counts together and treat all three
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index dba1c334c3e..9a7ea049fcd 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -94,7 +94,7 @@ void update_rlimit_cpu(unsigned long rlim_new)
 
 	cputime = secs_to_cputime(rlim_new);
 	if (cputime_eq(current->signal->it_prof_expires, cputime_zero) ||
-            cputime_lt(current->signal->it_prof_expires, cputime)) {
+	    cputime_lt(current->signal->it_prof_expires, cputime)) {
 		spin_lock_irq(&current->sighand->siglock);
 		set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL);
 		spin_unlock_irq(&current->sighand->siglock);
@@ -1372,9 +1372,9 @@ void run_posix_cpu_timers(struct task_struct *tsk)
 	 * tsk->signal is non-NULL; this probably can't happen but cover the
 	 * possibility anyway.
 	 */
-	if (unlikely(!sig) || !fastpath_timer_check(tsk, sig)) {
+	if (unlikely(!sig) || !fastpath_timer_check(tsk, sig))
 		return;
-	}
+
 	sighand = lock_task_sighand(tsk, &flags);
 	if (likely(sighand)) {
 		/*
-- 
GitLab


From 8afbc114542a6810b0a2e658abda6e911121cd22 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Mon, 25 Aug 2008 12:01:31 +0300
Subject: [PATCH 0145/2224] [MTD] [NAND] OMAP2: add retry after read timeout

Very occasionally, (about one in a million) read operations are
ongoing after the timeout has expired.  So, retry three times
while the ongoing bit remains set.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/omap2.c | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 34b42533f4b..8387e05daae 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -187,16 +187,36 @@ retry:
 			}
 		}
 	} else {
+		int retry_cnt = 0;
+
 		/* Turn interrupts off */
 		syscfg = read_reg(c, ONENAND_REG_SYS_CFG1);
 		syscfg &= ~ONENAND_SYS_CFG1_IOBE;
 		write_reg(c, syscfg, ONENAND_REG_SYS_CFG1);
 
 		timeout = jiffies + msecs_to_jiffies(20);
-		while (time_before(jiffies, timeout)) {
-			intr = read_reg(c, ONENAND_REG_INTERRUPT);
-			if (intr & ONENAND_INT_MASTER)
+		while (1) {
+			if (time_before(jiffies, timeout)) {
+				intr = read_reg(c, ONENAND_REG_INTERRUPT);
+				if (intr & ONENAND_INT_MASTER)
+					break;
+			} else {
+				/* Timeout after 20ms */
+				ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
+				if (ctrl & ONENAND_CTRL_ONGO) {
+					/*
+					 * The operation seems to be still going
+					 * so give it some more time.
+					 */
+					retry_cnt += 1;
+					if (retry_cnt < 3) {
+						timeout = jiffies +
+							  msecs_to_jiffies(20);
+						continue;
+					}
+				}
 				break;
+			}
 		}
 	}
 
-- 
GitLab


From ef89a8801321e0d0665c327c9d77d602ef764c87 Mon Sep 17 00:00:00 2001
From: Karl Beldan <karl.beldan@gmail.com>
Date: Mon, 15 Sep 2008 14:37:29 +0200
Subject: [PATCH 0146/2224] [MTD] [NAND] nand_base.c: reset chip first

Some chips require a RESET after power-up (e.g. Micron MT29FxGxxxxx).
The first command sent is NAND_CMD_READID.
Issue a NAND_CMD_RESET in nand_scan_ident before reading the device id.
Tested with an MT29F4G08AAC.

Signed-off-by: Karl Beldan <karl.beldan@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/nand_base.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d303db39c48..0a9c9cd33f9 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2318,6 +2318,12 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 	/* Select the device */
 	chip->select_chip(mtd, 0);
 
+	/*
+	 * Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx)
+	 * after power-up
+	 */
+	chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
+
 	/* Send the command for reading device ID */
 	chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
 
@@ -2488,6 +2494,8 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips)
 	/* Check for a chip array */
 	for (i = 1; i < maxchips; i++) {
 		chip->select_chip(mtd, i);
+		/* See comment in nand_get_flash_type for reset */
+		chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1);
 		/* Send the command for reading device ID */
 		chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1);
 		/* Read manufacturer and device IDs */
-- 
GitLab


From b3d765f5df5707e2b3676768b6877db5d8db76a2 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 17 Sep 2008 23:12:11 +0900
Subject: [PATCH 0147/2224] sh: Fix up fpu emu build.

The addition of the kprobes code pushed down a variable declaration,
clean it up.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/traps_32.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 862667a341f..35b901ed6de 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -742,15 +742,13 @@ asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
 				struct pt_regs __regs)
 {
 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
-	unsigned long error_code;
+	unsigned long inst;
 	struct task_struct *tsk = current;
 
 	if (kprobe_handle_illslot(regs->pc) == 0)
 		return;
 
 #ifdef CONFIG_SH_FPU_EMU
-	unsigned short inst = 0;
-
 	get_user(inst, (unsigned short *)regs->pc + 1);
 	if (!do_fpu_inst(inst, regs)) {
 		get_user(inst, (unsigned short *)regs->pc);
@@ -761,12 +759,12 @@ asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
 	/* not a FPU inst. */
 #endif
 
-	lookup_exception_vector(error_code);
+	lookup_exception_vector(inst);
 
 	local_irq_enable();
 	CHK_REMOTE_DEBUG(regs);
 	force_sig(SIGILL, tsk);
-	die_if_no_fixup("illegal slot instruction", regs, error_code);
+	die_if_no_fixup("illegal slot instruction", regs, inst);
 }
 
 asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
-- 
GitLab


From b85641bdde340f683e5baa7688832e185548c9bd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 17 Sep 2008 23:13:27 +0900
Subject: [PATCH 0148/2224] sh: Make memory hot-add and hot-remove depend on
 MMU.

Cleans up link numerous build issues with page migration and so on when
enabled on nommu builds.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index f8e6dc5e056..555ec9714b9 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -132,11 +132,11 @@ config ARCH_SELECT_MEMORY_MODEL
 
 config ARCH_ENABLE_MEMORY_HOTPLUG
 	def_bool y
-	depends on SPARSEMEM
+	depends on SPARSEMEM && MMU
 
 config ARCH_ENABLE_MEMORY_HOTREMOVE
 	def_bool y
-	depends on SPARSEMEM
+	depends on SPARSEMEM && MMU
 
 config ARCH_MEMORY_PROBE
 	def_bool y
-- 
GitLab


From 8a80a5e9e89cf3aacf8165dd34b40c7c3fe91b4d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 17 Sep 2008 23:14:36 +0900
Subject: [PATCH 0149/2224] sh: Fix up signal_64 conflicting handle_signal()
 definition.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/signal_64.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 1d62dfef77f..37bd381a7aa 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -43,6 +43,10 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+static void
+handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
+		sigset_t *oldset, struct pt_regs * regs);
+
 /*
  * Note that 'init' is a special process: it doesn't get signals it doesn't
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
-- 
GitLab


From 81b669952ed5fe0d6f65f8b9a97d1fdeac93ff10 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 17 Sep 2008 23:24:02 +0900
Subject: [PATCH 0150/2224] sh: Consolidate struct sh_cpuinfo definitions
 across _32/_64 split.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/processor.h    | 40 ++++++++++++++++++++++++++++-
 arch/sh/include/asm/processor_32.h | 19 --------------
 arch/sh/include/asm/processor_64.h | 41 ------------------------------
 3 files changed, 39 insertions(+), 61 deletions(-)

diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 58e2be55ab9..693364a20ad 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -3,6 +3,7 @@
 
 #include <asm/cpu-features.h>
 #include <asm/segment.h>
+#include <asm/cache.h>
 
 #ifndef __ASSEMBLY__
 /*
@@ -43,8 +44,45 @@ enum cpu_type {
 	CPU_SH_NONE
 };
 
+/*
+ * TLB information structure
+ *
+ * Defined for both I and D tlb, per-processor.
+ */
+struct tlb_info {
+	unsigned long long next;
+	unsigned long long first;
+	unsigned long long last;
+
+	unsigned int entries;
+	unsigned int step;
+
+	unsigned long flags;
+};
+
+struct sh_cpuinfo {
+	unsigned int type;
+	int cut_major, cut_minor;
+	unsigned long loops_per_jiffy;
+	unsigned long asid_cache;
+
+	struct cache_info icache;	/* Primary I-cache */
+	struct cache_info dcache;	/* Primary D-cache */
+	struct cache_info scache;	/* Secondary cache */
+
+	/* TLB info */
+	struct tlb_info itlb;
+	struct tlb_info dtlb;
+
+	unsigned long flags;
+} __attribute__ ((aligned(L1_CACHE_BYTES)));
+
+extern struct sh_cpuinfo cpu_data[];
+#define boot_cpu_data cpu_data[0]
+#define current_cpu_data cpu_data[smp_processor_id()]
+#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
+
 /* Forward decl */
-struct sh_cpuinfo;
 struct seq_operations;
 
 extern struct pt_regs fake_swapper_regs;
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 1cd3a144c85..a46a0207e97 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -13,7 +13,6 @@
 #include <linux/linkage.h>
 #include <asm/page.h>
 #include <asm/types.h>
-#include <asm/cache.h>
 #include <asm/ptrace.h>
 
 /*
@@ -27,24 +26,6 @@
 #define CCN_CVR		0xff000040
 #define CCN_PRR		0xff000044
 
-struct sh_cpuinfo {
-	unsigned int type;
-	int cut_major, cut_minor;
-	unsigned long loops_per_jiffy;
-	unsigned long asid_cache;
-
-	struct cache_info icache;	/* Primary I-cache */
-	struct cache_info dcache;	/* Primary D-cache */
-	struct cache_info scache;	/* Secondary cache */
-
-	unsigned long flags;
-} __attribute__ ((aligned(L1_CACHE_BYTES)));
-
-extern struct sh_cpuinfo cpu_data[];
-#define boot_cpu_data cpu_data[0]
-#define current_cpu_data cpu_data[smp_processor_id()]
-#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
-
 asmlinkage void __init sh_cpu_init(void);
 
 /*
diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h
index ae19839f1d9..b0b4824dfc4 100644
--- a/arch/sh/include/asm/processor_64.h
+++ b/arch/sh/include/asm/processor_64.h
@@ -17,7 +17,6 @@
 #include <linux/compiler.h>
 #include <asm/page.h>
 #include <asm/types.h>
-#include <asm/cache.h>
 #include <asm/ptrace.h>
 #include <cpu/registers.h>
 
@@ -36,46 +35,6 @@ __asm__("gettr	tr0, %1\n\t" \
 	: "1" (__dummy)); \
 pc; })
 
-/*
- * TLB information structure
- *
- * Defined for both I and D tlb, per-processor.
- */
-struct tlb_info {
-	unsigned long long next;
-	unsigned long long first;
-	unsigned long long last;
-
-	unsigned int entries;
-	unsigned int step;
-
-	unsigned long flags;
-};
-
-struct sh_cpuinfo {
-	enum cpu_type type;
-	unsigned long loops_per_jiffy;
-	unsigned long asid_cache;
-
-	unsigned int cpu_clock, master_clock, bus_clock, module_clock;
-
-	/* Cache info */
-	struct cache_info icache;
-	struct cache_info dcache;
-	struct cache_info scache;
-
-	/* TLB info */
-	struct tlb_info itlb;
-	struct tlb_info dtlb;
-
-	unsigned long flags;
-};
-
-extern struct sh_cpuinfo cpu_data[];
-#define boot_cpu_data cpu_data[0]
-#define current_cpu_data cpu_data[smp_processor_id()]
-#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
-
 #endif
 
 /*
-- 
GitLab


From b406efefd5246a67c691fd79871e65ce8f3f91ff Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 17 Sep 2008 23:24:59 +0900
Subject: [PATCH 0151/2224] sh: Fix up headers_check regression.

linux/mmzone.h isn't exported, kill it off from asm/setup.h and simply
deal with it in the places that have a dependency instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/setup.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h
index 1b7856f5924..d450bcf59ee 100644
--- a/arch/sh/include/asm/setup.h
+++ b/arch/sh/include/asm/setup.h
@@ -1,12 +1,9 @@
 #ifndef _SH_SETUP_H
 #define _SH_SETUP_H
 
-#include <linux/mmzone.h>
-
 #define COMMAND_LINE_SIZE 256
 
 #ifdef __KERNEL__
-
 /*
  * This is set up by the setup-routine at boot-time
  */
-- 
GitLab


From 2194478157127d52338be96ac9436dc54005816a Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 17 Sep 2008 23:26:44 +0900
Subject: [PATCH 0152/2224] sh: HAVE_IOREMAP_PROT depends on MMU.

HAVE_IOREMAP_PROT enables an unconditional reference to
generic_access_phys(), which remains undefined in the nommu case.
As there's no point in supporting this there anyways, simply fix
up the dependency.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 18a1cc8a6aa..adef42cd507 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -12,7 +12,7 @@ config SUPERH
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_GENERIC_DMA_COHERENT
-	select HAVE_IOREMAP_PROT
+	select HAVE_IOREMAP_PROT if MMU
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
-- 
GitLab


From ccbe329bcd87924baed96474ec0a6725e3957897 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:03 +0100
Subject: [PATCH 0153/2224] bitmap: add bitmap_copy_le()

bitmap_copy_le() copies a bitmap, putting the bits into little-endian
order (i.e., each unsigned long word in the bitmap is put into
little-endian order).

The UWB stack used bitmaps to manage Medium Access Slot availability,
and these bitmaps need to be written to the hardware in LE order.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 include/linux/bitmap.h |  1 +
 lib/bitmap.c           | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 89781fd4885..5379913aca5 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -130,6 +130,7 @@ extern void bitmap_fold(unsigned long *dst, const unsigned long *orig,
 extern int bitmap_find_free_region(unsigned long *bitmap, int bits, int order);
 extern void bitmap_release_region(unsigned long *bitmap, int pos, int order);
 extern int bitmap_allocate_region(unsigned long *bitmap, int pos, int order);
+extern void bitmap_copy_le(void *dst, const unsigned long *src, int nbits);
 
 #define BITMAP_LAST_WORD_MASK(nbits)					\
 (									\
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 06fb57c86de..c2006bfeea4 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -1007,3 +1007,25 @@ int bitmap_allocate_region(unsigned long *bitmap, int pos, int order)
 	return 0;
 }
 EXPORT_SYMBOL(bitmap_allocate_region);
+
+/**
+ * bitmap_copy_le - copy a bitmap, putting the bits into little-endian order.
+ * @dst:   destination buffer
+ * @src:   bitmap to copy
+ * @nbits: number of bits in the bitmap
+ *
+ * Require nbits % BITS_PER_LONG == 0.
+ */
+void bitmap_copy_le(void *dst, const unsigned long *src, int nbits)
+{
+	unsigned long *d = dst;
+	int i;
+
+	for (i = 0; i < nbits/BITS_PER_LONG; i++) {
+		if (BITS_PER_LONG == 64)
+			d[i] = cpu_to_le64(src[i]);
+		else
+			d[i] = cpu_to_le32(src[i]);
+	}
+}
+EXPORT_SYMBOL(bitmap_copy_le);
-- 
GitLab


From 99d368bc9e279a2a5e56f3afe32166260e90caa7 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:04 +0100
Subject: [PATCH 0154/2224] uwb: add initial documentation

Documentation (and example utilities) for the UWB (and WUSB) stacks.

Some of the documentation may be out-of-date.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 Documentation/usb/WUSB-Design-overview.txt | 448 +++++++++++++++++++++
 Documentation/usb/wusb-cbaf                | 133 ++++++
 2 files changed, 581 insertions(+)
 create mode 100644 Documentation/usb/WUSB-Design-overview.txt
 create mode 100644 Documentation/usb/wusb-cbaf

diff --git a/Documentation/usb/WUSB-Design-overview.txt b/Documentation/usb/WUSB-Design-overview.txt
new file mode 100644
index 00000000000..4c3d62c7843
--- /dev/null
+++ b/Documentation/usb/WUSB-Design-overview.txt
@@ -0,0 +1,448 @@
+
+Linux UWB + Wireless USB + WiNET
+
+   (C) 2005-2006 Intel Corporation
+   Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License version
+   2 as published by the Free Software Foundation.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.
+
+
+Please visit http://bughost.org/thewiki/Design-overview.txt-1.8 for
+updated content.
+
+    * Design-overview.txt-1.8
+
+This code implements a Ultra Wide Band stack for Linux, as well as
+drivers for the the USB based UWB radio controllers defined in the
+Wireless USB 1.0 specification (including Wireless USB host controller
+and an Intel WiNET controller).
+
+   1. Introduction
+         1. HWA: Host Wire adapters, your Wireless USB dongle
+
+         2. DWA: Device Wired Adaptor, a Wireless USB hub for wired
+            devices
+         3. WHCI: Wireless Host Controller Interface, the PCI WUSB host
+            adapter
+   2. The UWB stack
+         1. Devices and hosts: the basic structure
+
+         2. Host Controller life cycle
+
+         3. On the air: beacons and enumerating the radio neighborhood
+
+         4. Device lists
+         5. Bandwidth allocation
+
+   3. Wireless USB Host Controller drivers
+
+   4. Glossary
+
+
+    Introduction
+
+UWB is a wide-band communication protocol that is to serve also as the
+low-level protocol for others (much like TCP sits on IP). Currently
+these others are Wireless USB and TCP/IP, but seems Bluetooth and
+Firewire/1394 are coming along.
+
+UWB uses a band from roughly 3 to 10 GHz, transmitting at a max of
+~-41dB (or 0.074 uW/MHz--geography specific data is still being
+negotiated w/ regulators, so watch for changes). That band is divided in
+a bunch of ~1.5 GHz wide channels (or band groups) composed of three
+subbands/subchannels (528 MHz each). Each channel is independent of each
+other, so you could consider them different "busses". Initially this
+driver considers them all a single one.
+
+Radio time is divided in 65536 us long /superframes/, each one divided
+in 256 256us long /MASs/ (Media Allocation Slots), which are the basic
+time/media allocation units for transferring data. At the beginning of
+each superframe there is a Beacon Period (BP), where every device
+transmit its beacon on a single MAS. The length of the BP depends on how
+many devices are present and the length of their beacons.
+
+Devices have a MAC (fixed, 48 bit address) and a device (changeable, 16
+bit address) and send periodic beacons to advertise themselves and pass
+info on what they are and do. They advertise their capabilities and a
+bunch of other stuff.
+
+The different logical parts of this driver are:
+
+    *
+
+      *UWB*: the Ultra-Wide-Band stack -- manages the radio and
+      associated spectrum to allow for devices sharing it. Allows to
+      control bandwidth assingment, beaconing, scanning, etc
+
+    *
+
+      *WUSB*: the layer that sits on top of UWB to provide Wireless USB.
+      The Wireless USB spec defines means to control a UWB radio and to
+      do the actual WUSB.
+
+
+      HWA: Host Wire adapters, your Wireless USB dongle
+
+WUSB also defines a device called a Host Wire Adaptor (HWA), which in
+mere terms is a USB dongle that enables your PC to have UWB and Wireless
+USB. The Wireless USB Host Controller in a HWA looks to the host like a
+[Wireless] USB controller connected via USB (!)
+
+The HWA itself is broken in two or three main interfaces:
+
+    *
+
+      *RC*: Radio control -- this implements an interface to the
+      Ultra-Wide-Band radio controller. The driver for this implements a
+      USB-based UWB Radio Controller to the UWB stack.
+
+    *
+
+      *HC*: the wireless USB host controller. It looks like a USB host
+      whose root port is the radio and the WUSB devices connect to it.
+      To the system it looks like a separate USB host. The driver (will)
+      implement a USB host controller (similar to UHCI, OHCI or EHCI)
+      for which the root hub is the radio...To reiterate: it is a USB
+      controller that is connected via USB instead of PCI.
+
+    *
+
+      *WINET*: some HW provide a WiNET interface (IP over UWB). This
+      package provides a driver for it (it looks like a network
+      interface, winetX). The driver detects when there is a link up for
+      their type and kick into gear.
+
+
+      DWA: Device Wired Adaptor, a Wireless USB hub for wired devices
+
+These are the complement to HWAs. They are a USB host for connecting
+wired devices, but it is connected to your PC connected via Wireless
+USB. To the system it looks like yet another USB host. To the untrained
+eye, it looks like a hub that connects upstream wirelessly.
+
+We still offer no support for this; however, it should share a lot of
+code with the HWA-RC driver; there is a bunch of factorization work that
+has been done to support that in upcoming releases.
+
+
+      WHCI: Wireless Host Controller Interface, the PCI WUSB host adapter
+
+This is your usual PCI device that implements WHCI. Similar in concept
+to EHCI, it allows your wireless USB devices (including DWAs) to connect
+to your host via a PCI interface. As in the case of the HWA, it has a
+Radio Control interface and the WUSB Host Controller interface per se.
+
+There is still no driver support for this, but will be in upcoming
+releases.
+
+
+    The UWB stack
+
+The main mission of the UWB stack is to keep a tally of which devices
+are in radio proximity to allow drivers to connect to them. As well, it
+provides an API for controlling the local radio controllers (RCs from
+now on), such as to start/stop beaconing, scan, allocate bandwidth, etc.
+
+
+      Devices and hosts: the basic structure
+
+The main building block here is the UWB device (struct uwb_dev). For
+each device that pops up in radio presence (ie: the UWB host receives a
+beacon from it) you get a struct uwb_dev that will show up in
+/sys/class/uwb and in /sys/bus/uwb/devices.
+
+For each RC that is detected, a new struct uwb_rc is created. In turn, a
+RC is also a device, so they also show in /sys/class/uwb and
+/sys/bus/uwb/devices, but at the same time, only radio controllers show
+up in /sys/class/uwb_rc.
+
+    *
+
+      [*] The reason for RCs being also devices is that not only we can
+      see them while enumerating the system device tree, but also on the
+      radio (their beacons and stuff), so the handling has to be
+      likewise to that of a device.
+
+Each RC driver is implemented by a separate driver that plugs into the
+interface that the UWB stack provides through a struct uwb_rc_ops. The
+spec creators have been nice enough to make the message format the same
+for HWA and WHCI RCs, so the driver is really a very thin transport that
+moves the requests from the UWB API to the device [/uwb_rc_ops->cmd()/]
+and sends the replies and notifications back to the API
+[/uwb_rc_neh_grok()/]. Notifications are handled to the UWB daemon, that
+is chartered, among other things, to keep the tab of how the UWB radio
+neighborhood looks, creating and destroying devices as they show up or
+dissapear.
+
+Command execution is very simple: a command block is sent and a event
+block or reply is expected back. For sending/receiving command/events, a
+handle called /neh/ (Notification/Event Handle) is opened with
+/uwb_rc_neh_open()/.
+
+The HWA-RC (USB dongle) driver (drivers/uwb/hwa-rc.c) does this job for
+the USB connected HWA. Eventually, drivers/whci-rc.c will do the same
+for the PCI connected WHCI controller.
+
+
+      Host Controller life cycle
+
+So let's say we connect a dongle to the system: it is detected and
+firmware uploaded if needed [for Intel's i1480
+/drivers/uwb/ptc/usb.c:ptc_usb_probe()/] and then it is reenumerated.
+Now we have a real HWA device connected and
+/drivers/uwb/hwa-rc.c:hwarc_probe()/ picks it up, that will set up the
+Wire-Adaptor environment and then suck it into the UWB stack's vision of
+the world [/drivers/uwb/lc-rc.c:uwb_rc_add()/].
+
+    *
+
+      [*] The stack should put a new RC to scan for devices
+      [/uwb_rc_scan()/] so it finds what's available around and tries to
+      connect to them, but this is policy stuff and should be driven
+      from user space. As of now, the operator is expected to do it
+      manually; see the release notes for documentation on the procedure.
+
+When a dongle is disconnected, /drivers/uwb/hwa-rc.c:hwarc_disconnect()/
+takes time of tearing everything down safely (or not...).
+
+
+      On the air: beacons and enumerating the radio neighborhood
+
+So assuming we have devices and we have agreed for a channel to connect
+on (let's say 9), we put the new RC to beacon:
+
+    *
+
+            $ echo 9 0 > /sys/class/uwb_rc/uwb0/beacon
+
+Now it is visible. If there were other devices in the same radio channel
+and beacon group (that's what the zero is for), the dongle's radio
+control interface will send beacon notifications on its
+notification/event endpoint (NEEP). The beacon notifications are part of
+the event stream that is funneled into the API with
+/drivers/uwb/neh.c:uwb_rc_neh_grok()/ and delivered to the UWBD, the UWB
+daemon through a notification list.
+
+UWBD wakes up and scans the event list; finds a beacon and adds it to
+the BEACON CACHE (/uwb_beca/). If he receives a number of beacons from
+the same device, he considers it to be 'onair' and creates a new device
+[/drivers/uwb/lc-dev.c:uwbd_dev_onair()/]. Similarly, when no beacons
+are received in some time, the device is considered gone and wiped out
+[uwbd calls periodically /uwb/beacon.c:uwb_beca_purge()/ that will purge
+the beacon cache of dead devices].
+
+
+      Device lists
+
+All UWB devices are kept in the list of the struct bus_type uwb_bus.
+
+
+      Bandwidth allocation
+
+The UWB stack maintains a local copy of DRP availability through
+processing of incoming *DRP Availability Change* notifications. This
+local copy is currently used to present the current bandwidth
+availability to the user through the sysfs file
+/sys/class/uwb_rc/uwbx/bw_avail. In the future the bandwidth
+availability information will be used by the bandwidth reservation
+routines.
+
+The bandwidth reservation routines are in progress and are thus not
+present in the current release. When completed they will enable a user
+to initiate DRP reservation requests through interaction with sysfs. DRP
+reservation requests from remote UWB devices will also be handled. The
+bandwidth management done by the UWB stack will include callbacks to the
+higher layers will enable the higher layers to use the reservations upon
+completion. [Note: The bandwidth reservation work is in progress and
+subject to change.]
+
+
+    Wireless USB Host Controller drivers
+
+*WARNING* This section needs a lot of work!
+
+As explained above, there are three different types of HCs in the WUSB
+world: HWA-HC, DWA-HC and WHCI-HC.
+
+HWA-HC and DWA-HC share that they are Wire-Adapters (USB or WUSB
+connected controllers), and their transfer management system is almost
+identical. So is their notification delivery system.
+
+HWA-HC and WHCI-HC share that they are both WUSB host controllers, so
+they have to deal with WUSB device life cycle and maintenance, wireless
+root-hub
+
+HWA exposes a Host Controller interface (HWA-HC 0xe0/02/02). This has
+three endpoints (Notifications, Data Transfer In and Data Transfer
+Out--known as NEP, DTI and DTO in the code).
+
+We reserve UWB bandwidth for our Wireless USB Cluster, create a Cluster
+ID and tell the HC to use all that. Then we start it. This means the HC
+starts sending MMCs.
+
+    *
+
+      The MMCs are blocks of data defined somewhere in the WUSB1.0 spec
+      that define a stream in the UWB channel time allocated for sending
+      WUSB IEs (host to device commands/notifications) and Device
+      Notifications (device initiated to host). Each host defines a
+      unique Wireless USB cluster through MMCs. Devices can connect to a
+      single cluster at the time. The IEs are Information Elements, and
+      among them are the bandwidth allocations that tell each device
+      when can they transmit or receive.
+
+Now it all depends on external stimuli.
+
+*New device connection*
+
+A new device pops up, it scans the radio looking for MMCs that give out
+the existence of Wireless USB channels. Once one (or more) are found,
+selects which one to connect to. Sends a /DN_Connect/ (device
+notification connect) during the DNTS (Device Notification Time
+Slot--announced in the MMCs
+
+HC picks the /DN_Connect/ out (nep module sends to notif.c for delivery
+into /devconnect/). This process starts the authentication process for
+the device. First we allocate a /fake port/ and assign an
+unauthenticated address (128 to 255--what we really do is
+0x80 | fake_port_idx). We fiddle with the fake port status and /khubd/
+sees a new connection, so he moves on to enable the fake port with a reset.
+
+So now we are in the reset path -- we know we have a non-yet enumerated
+device with an unauthorized address; we ask user space to authenticate
+(FIXME: not yet done, similar to bluetooth pairing), then we do the key
+exchange (FIXME: not yet done) and issue a /set address 0/ to bring the
+device to the default state. Device is authenticated.
+
+From here, the USB stack takes control through the usb_hcd ops. khubd
+has seen the port status changes, as we have been toggling them. It will
+start enumerating and doing transfers through usb_hcd->urb_enqueue() to
+read descriptors and move our data.
+
+*Device life cycle and keep alives*
+
+Everytime there is a succesful transfer to/from a device, we update a
+per-device activity timestamp. If not, every now and then we check and
+if the activity timestamp gets old, we ping the device by sending it a
+Keep Alive IE; it responds with a /DN_Alive/ pong during the DNTS (this
+arrives to us as a notification through
+devconnect.c:wusb_handle_dn_alive(). If a device times out, we
+disconnect it from the system (cleaning up internal information and
+toggling the bits in the fake hub port, which kicks khubd into removing
+the rest of the stuff).
+
+This is done through devconnect:__wusb_check_devs(), which will scan the
+device list looking for whom needs refreshing.
+
+If the device wants to disconnect, it will either die (ugly) or send a
+/DN_Disconnect/ that will prompt a disconnection from the system.
+
+*Sending and receiving data*
+
+Data is sent and received through /Remote Pipes/ (rpipes). An rpipe is
+/aimed/ at an endpoint in a WUSB device. This is the same for HWAs and
+DWAs.
+
+Each HC has a number of rpipes and buffers that can be assigned to them;
+when doing a data transfer (xfer), first the rpipe has to be aimed and
+prepared (buffers assigned), then we can start queueing requests for
+data in or out.
+
+Data buffers have to be segmented out before sending--so we send first a
+header (segment request) and then if there is any data, a data buffer
+immediately after to the DTI interface (yep, even the request). If our
+buffer is bigger than the max segment size, then we just do multiple
+requests.
+
+[This sucks, because doing USB scatter gatter in Linux is resource
+intensive, if any...not that the current approach is not. It just has to
+be cleaned up a lot :)].
+
+If reading, we don't send data buffers, just the segment headers saying
+we want to read segments.
+
+When the xfer is executed, we receive a notification that says data is
+ready in the DTI endpoint (handled through
+xfer.c:wa_handle_notif_xfer()). In there we read from the DTI endpoint a
+descriptor that gives us the status of the transfer, its identification
+(given when we issued it) and the segment number. If it was a data read,
+we issue another URB to read into the destination buffer the chunk of
+data coming out of the remote endpoint. Done, wait for the next guy. The
+callbacks for the URBs issued from here are the ones that will declare
+the xfer complete at some point and call it's callback.
+
+Seems simple, but the implementation is not trivial.
+
+    *
+
+      *WARNING* Old!!
+
+The main xfer descriptor, wa_xfer (equivalent to a URB) contains an
+array of segments, tallys on segments and buffers and callback
+information. Buried in there is a lot of URBs for executing the segments
+and buffer transfers.
+
+For OUT xfers, there is an array of segments, one URB for each, another
+one of buffer URB. When submitting, we submit URBs for segment request
+1, buffer 1, segment 2, buffer 2...etc. Then we wait on the DTI for xfer
+result data; when all the segments are complete, we call the callback to
+finalize the transfer.
+
+For IN xfers, we only issue URBs for the segments we want to read and
+then wait for the xfer result data.
+
+*URB mapping into xfers*
+
+This is done by hwahc_op_urb_[en|de]queue(). In enqueue() we aim an
+rpipe to the endpoint where we have to transmit, create a transfer
+context (wa_xfer) and submit it. When the xfer is done, our callback is
+called and we assign the status bits and release the xfer resources.
+
+In dequeue() we are basically cancelling/aborting the transfer. We issue
+a xfer abort request to the HC, cancell all the URBs we had submitted
+and not yet done and when all that is done, the xfer callback will be
+called--this will call the URB callback.
+
+
+    Glossary
+
+*DWA* -- Device Wire Adapter
+
+USB host, wired for downstream devices, upstream connects wirelessly
+with Wireless USB.
+
+*EVENT* -- Response to a command on the NEEP
+
+*HWA* -- Host Wire Adapter / USB dongle for UWB and Wireless USB
+
+*NEH* -- Notification/Event Handle
+
+Handle/file descriptor for receiving notifications or events. The WA
+code requires you to get one of this to listen for notifications or
+events on the NEEP.
+
+*NEEP* -- Notification/Event EndPoint
+
+Stuff related to the management of the first endpoint of a HWA USB
+dongle that is used to deliver an stream of events and notifications to
+the host.
+
+*NOTIFICATION* -- Message coming in the NEEP as response to something.
+
+*RC* -- Radio Control
+
+Design-overview.txt-1.8 (last edited 2006-11-04 12:22:24 by
+InakyPerezGonzalez)
+
diff --git a/Documentation/usb/wusb-cbaf b/Documentation/usb/wusb-cbaf
new file mode 100644
index 00000000000..a385478ba12
--- /dev/null
+++ b/Documentation/usb/wusb-cbaf
@@ -0,0 +1,133 @@
+#! /bin/bash
+#
+
+set -e
+
+progname=$(basename $0)
+function help
+{
+    cat <<EOF
+Usage: $progname COMMAND DEVICEs [ARGS]
+
+Command for manipulating the pairing/authentication credentials of a
+Wireless USB device that supports wired-mode Cable-Based-Association.
+
+Works in conjunction with the wusb-cba.ko driver from http://linuxuwb.org.
+
+
+DEVICE
+
+ sysfs path to the device to authenticate; for example, both this
+ guys are the same:
+
+ /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.4/1-4.4:1.1
+ /sys/bus/usb/drivers/wusb-cbaf/1-4.4:1.1
+
+COMMAND/ARGS are
+
+ start
+
+   Start a WUSB host controller (by setting up a CHID)
+
+ set-chid DEVICE HOST-CHID HOST-BANDGROUP HOST-NAME
+
+   Sets host information in the device; after this you can call the
+   get-cdid to see how does this device report itself to us.
+
+ get-cdid DEVICE
+
+   Get the device ID associated to the HOST-CHDI we sent with
+   'set-chid'. We might not know about it.
+
+ set-cc DEVICE
+
+   If we allow the device to connect, set a random new CDID and CK
+   (connection key). Device saves them for the next time it wants to
+   connect wireless. We save them for that next time also so we can
+   authenticate the device (when we see the CDID he uses to id
+   itself) and the CK to crypto talk to it.
+
+CHID is always 16 hex bytes in 'XX YY ZZ...' form
+BANDGROUP is almost always 0001
+
+Examples:
+
+  You can default most arguments to '' to get a sane value:
+
+  $ $progname set-chid '' '' '' "My host name"
+
+  A full sequence:
+
+  $ $progname set-chid '' '' '' "My host name"
+  $ $progname get-cdid ''
+  $ $progname set-cc ''
+
+EOF
+}
+
+
+# Defaults
+# FIXME: CHID should come from a database :), band group from the host
+host_CHID="00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff"
+host_band_group="0001"
+host_name="Linux-WUSB"
+
+devs="$(echo /sys/bus/usb/drivers/wusb-cbaf/[0-9]*)"
+hdevs="$(find /sys -name wusb_chid -printf "%h\n")"
+
+result=0
+case $1 in
+    start)
+        for dev in ${2:-$hdevs}
+          do
+          uwb_rc=$(find $(dirname $(dirname $dev)) -iname uwb_rc:uwb*)
+          if cat $uwb_rc/uwb_rc/beacon | grep -q "channel: -1"
+              then
+              echo 13 0 | cat > $uwb_rc/uwb_rc/beacon
+              echo I: started beaconing on ch 13 in host $(basename $uwb_rc)
+          fi
+          echo $host_CHID | cat > $dev/wusb_chid
+          echo I: started host $(basename $dev)
+        done
+        ;;
+    set-chid)
+        shift
+        for dev in ${2:-$devs}
+          do
+          echo "${2:-$host_CHID}" "${3:-$host_band_group}" "${4:-$host_name}" \
+              | cat > $dev/wusb_host_info
+        done
+        ;;
+    get-cdid)
+        for dev in ${2:-$devs}
+          do
+          cat $dev/wusb_cdid
+        done
+        ;;
+    set-cc)
+        for dev in ${2:-$devs}
+          do
+          shift
+          CDID="$(head --bytes=16 /dev/urandom  | od -tx1 -An)"
+          CK="$(head --bytes=16 /dev/urandom  | od -tx1 -An)"
+          cat > $dev/wusb_cc <<EOF
+CDID:$CDID
+CK:$CK
+EOF
+          cat <<EOF
+I: CC set
+CHID: $host_CHID
+CDID:$CDID
+CK:  $CK
+EOF
+        done
+        ;;
+    help|h|--help|-h)
+        help
+        ;;
+    *)
+        echo "E: Unknown usage" 1>&2
+        help 1>&2
+        result=1
+esac
+exit $result
-- 
GitLab


From 34e95e41f1fd751e33a7eb3fa66594903b81f13d Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:05 +0100
Subject: [PATCH 0155/2224] uwb: add the uwb include files

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 include/linux/uwb.h           | 761 ++++++++++++++++++++++++++++++++++
 include/linux/uwb/debug-cmd.h |  57 +++
 include/linux/uwb/debug.h     |  82 ++++
 include/linux/uwb/spec.h      | 727 ++++++++++++++++++++++++++++++++
 include/linux/wlp.h           | 735 ++++++++++++++++++++++++++++++++
 5 files changed, 2362 insertions(+)
 create mode 100644 include/linux/uwb.h
 create mode 100644 include/linux/uwb/debug-cmd.h
 create mode 100644 include/linux/uwb/debug.h
 create mode 100644 include/linux/uwb/spec.h
 create mode 100644 include/linux/wlp.h

diff --git a/include/linux/uwb.h b/include/linux/uwb.h
new file mode 100644
index 00000000000..0cd35937e12
--- /dev/null
+++ b/include/linux/uwb.h
@@ -0,0 +1,761 @@
+/*
+ * Ultra Wide Band
+ * UWB API
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: doc: overview of the API, different parts and pointers
+ */
+
+#ifndef __LINUX__UWB_H__
+#define __LINUX__UWB_H__
+
+#include <linux/limits.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+#include <linux/uwb/spec.h>
+
+struct uwb_dev;
+struct uwb_beca_e;
+struct uwb_rc;
+struct uwb_rsv;
+struct uwb_dbg;
+
+/**
+ * struct uwb_dev - a UWB Device
+ * @rc: UWB Radio Controller that discovered the device (kind of its
+ *     parent).
+ * @bce: a beacon cache entry for this device; or NULL if the device
+ *     is a local radio controller.
+ * @mac_addr: the EUI-48 address of this device.
+ * @dev_addr: the current DevAddr used by this device.
+ * @beacon_slot: the slot number the beacon is using.
+ * @streams: bitmap of streams allocated to reservations targeted at
+ *     this device.  For an RC, this is the streams allocated for
+ *     reservations targeted at DevAddrs.
+ *
+ * A UWB device may either by a neighbor or part of a local radio
+ * controller.
+ */
+struct uwb_dev {
+	struct mutex mutex;
+	struct list_head list_node;
+	struct device dev;
+	struct uwb_rc *rc;		/* radio controller */
+	struct uwb_beca_e *bce;		/* Beacon Cache Entry */
+
+	struct uwb_mac_addr mac_addr;
+	struct uwb_dev_addr dev_addr;
+	int beacon_slot;
+	DECLARE_BITMAP(streams, UWB_NUM_STREAMS);
+};
+#define to_uwb_dev(d) container_of(d, struct uwb_dev, dev)
+
+/**
+ * UWB HWA/WHCI Radio Control {Command|Event} Block context IDs
+ *
+ * RC[CE]Bs have a 'context ID' field that matches the command with
+ * the event received to confirm it.
+ *
+ * Maximum number of context IDs
+ */
+enum { UWB_RC_CTX_MAX = 256 };
+
+
+/** Notification chain head for UWB generated events to listeners */
+struct uwb_notifs_chain {
+	struct list_head list;
+	struct mutex mutex;
+};
+
+/**
+ * struct uwb_mas_bm - a bitmap of all MAS in a superframe
+ * @bm: a bitmap of length #UWB_NUM_MAS
+ */
+struct uwb_mas_bm {
+	DECLARE_BITMAP(bm, UWB_NUM_MAS);
+};
+
+/**
+ * uwb_rsv_state - UWB Reservation state.
+ *
+ * NONE - reservation is not active (no DRP IE being transmitted).
+ *
+ * Owner reservation states:
+ *
+ * INITIATED - owner has sent an initial DRP request.
+ * PENDING - target responded with pending Reason Code.
+ * MODIFIED - reservation manager is modifying an established
+ * reservation with a different MAS allocation.
+ * ESTABLISHED - the reservation has been successfully negotiated.
+ *
+ * Target reservation states:
+ *
+ * DENIED - request is denied.
+ * ACCEPTED - request is accepted.
+ * PENDING - PAL has yet to make a decision to whether to accept or
+ * deny.
+ *
+ * FIXME: further target states TBD.
+ */
+enum uwb_rsv_state {
+	UWB_RSV_STATE_NONE,
+	UWB_RSV_STATE_O_INITIATED,
+	UWB_RSV_STATE_O_PENDING,
+	UWB_RSV_STATE_O_MODIFIED,
+	UWB_RSV_STATE_O_ESTABLISHED,
+	UWB_RSV_STATE_T_ACCEPTED,
+	UWB_RSV_STATE_T_DENIED,
+	UWB_RSV_STATE_T_PENDING,
+
+	UWB_RSV_STATE_LAST,
+};
+
+enum uwb_rsv_target_type {
+	UWB_RSV_TARGET_DEV,
+	UWB_RSV_TARGET_DEVADDR,
+};
+
+/**
+ * struct uwb_rsv_target - the target of a reservation.
+ *
+ * Reservations unicast and targeted at a single device
+ * (UWB_RSV_TARGET_DEV); or (e.g., in the case of WUSB) targeted at a
+ * specific (private) DevAddr (UWB_RSV_TARGET_DEVADDR).
+ */
+struct uwb_rsv_target {
+	enum uwb_rsv_target_type type;
+	union {
+		struct uwb_dev *dev;
+		struct uwb_dev_addr devaddr;
+	};
+};
+
+/*
+ * Number of streams reserved for reservations targeted at DevAddrs.
+ */
+#define UWB_NUM_GLOBAL_STREAMS 1
+
+typedef void (*uwb_rsv_cb_f)(struct uwb_rsv *rsv);
+
+/**
+ * struct uwb_rsv - a DRP reservation
+ *
+ * Data structure management:
+ *
+ * @rc:             the radio controller this reservation is for
+ *                  (as target or owner)
+ * @rc_node:        a list node for the RC
+ * @pal_node:       a list node for the PAL
+ *
+ * Owner and target parameters:
+ *
+ * @owner:          the UWB device owning this reservation
+ * @target:         the target UWB device
+ * @type:           reservation type
+ *
+ * Owner parameters:
+ *
+ * @max_mas:        maxiumum number of MAS
+ * @min_mas:        minimum number of MAS
+ * @sparsity:       owner selected sparsity
+ * @is_multicast:   true iff multicast
+ *
+ * @callback:       callback function when the reservation completes
+ * @pal_priv:       private data for the PAL making the reservation
+ *
+ * Reservation status:
+ *
+ * @status:         negotiation status
+ * @stream:         stream index allocated for this reservation
+ * @mas:            reserved MAS
+ * @drp_ie:         the DRP IE
+ * @ie_valid:       true iff the DRP IE matches the reservation parameters
+ *
+ * DRP reservations are uniquely identified by the owner, target and
+ * stream index.  However, when using a DevAddr as a target (e.g., for
+ * a WUSB cluster reservation) the responses may be received from
+ * devices with different DevAddrs.  In this case, reservations are
+ * uniquely identified by just the stream index.  A number of stream
+ * indexes (UWB_NUM_GLOBAL_STREAMS) are reserved for this.
+ */
+struct uwb_rsv {
+	struct uwb_rc *rc;
+	struct list_head rc_node;
+	struct list_head pal_node;
+
+	struct uwb_dev *owner;
+	struct uwb_rsv_target target;
+	enum uwb_drp_type type;
+	int max_mas;
+	int min_mas;
+	int sparsity;
+	bool is_multicast;
+
+	uwb_rsv_cb_f callback;
+	void *pal_priv;
+
+	enum uwb_rsv_state state;
+	u8 stream;
+	struct uwb_mas_bm mas;
+	struct uwb_ie_drp *drp_ie;
+	bool ie_valid;
+	struct timer_list timer;
+	bool expired;
+};
+
+static const
+struct uwb_mas_bm uwb_mas_bm_zero = { .bm = { 0 } };
+
+static inline void uwb_mas_bm_copy_le(void *dst, const struct uwb_mas_bm *mas)
+{
+	bitmap_copy_le(dst, mas->bm, UWB_NUM_MAS);
+}
+
+/**
+ * struct uwb_drp_avail - a radio controller's view of MAS usage
+ * @global:   MAS unused by neighbors (excluding reservations targetted
+ *            or owned by the local radio controller) or the beaon period
+ * @local:    MAS unused by local established reservations
+ * @pending:  MAS unused by local pending reservations
+ * @ie:       DRP Availability IE to be included in the beacon
+ * @ie_valid: true iff @ie is valid and does not need to regenerated from
+ *            @global and @local
+ *
+ * Each radio controller maintains a view of MAS usage or
+ * availability. MAS available for a new reservation are determined
+ * from the intersection of @global, @local, and @pending.
+ *
+ * The radio controller must transmit a DRP Availability IE that's the
+ * intersection of @global and @local.
+ *
+ * A set bit indicates the MAS is unused and available.
+ *
+ * rc->rsvs_mutex should be held before accessing this data structure.
+ *
+ * [ECMA-368] section 17.4.3.
+ */
+struct uwb_drp_avail {
+	DECLARE_BITMAP(global, UWB_NUM_MAS);
+	DECLARE_BITMAP(local, UWB_NUM_MAS);
+	DECLARE_BITMAP(pending, UWB_NUM_MAS);
+	struct uwb_ie_drp_avail ie;
+	bool ie_valid;
+};
+
+
+const char *uwb_rsv_state_str(enum uwb_rsv_state state);
+const char *uwb_rsv_type_str(enum uwb_drp_type type);
+
+struct uwb_rsv *uwb_rsv_create(struct uwb_rc *rc, uwb_rsv_cb_f cb,
+			       void *pal_priv);
+void uwb_rsv_destroy(struct uwb_rsv *rsv);
+
+int uwb_rsv_establish(struct uwb_rsv *rsv);
+int uwb_rsv_modify(struct uwb_rsv *rsv,
+		   int max_mas, int min_mas, int sparsity);
+void uwb_rsv_terminate(struct uwb_rsv *rsv);
+
+void uwb_rsv_accept(struct uwb_rsv *rsv, uwb_rsv_cb_f cb, void *pal_priv);
+
+/**
+ * Radio Control Interface instance
+ *
+ *
+ * Life cycle rules: those of the UWB Device.
+ *
+ * @index:    an index number for this radio controller, as used in the
+ *            device name.
+ * @version:  version of protocol supported by this device
+ * @priv:     Backend implementation; rw with uwb_dev.dev.sem taken.
+ * @cmd:      Backend implementation to execute commands; rw and call
+ *            only  with uwb_dev.dev.sem taken.
+ * @reset:    Hardware reset of radio controller and any PAL controllers.
+ * @filter:   Backend implementation to manipulate data to and from device
+ *            to be compliant to specification assumed by driver (WHCI
+ *            0.95).
+ *
+ *            uwb_dev.dev.mutex is used to execute commands and update
+ *            the corresponding structures; can't use a spinlock
+ *            because rc->cmd() can sleep.
+ * @ies:         This is a dynamically allocated array cacheing the
+ *               IEs (settable by the host) that the beacon of this
+ *               radio controller is currently sending.
+ *
+ *               In reality, we store here the full command we set to
+ *               the radio controller (which is basically a command
+ *               prefix followed by all the IEs the beacon currently
+ *               contains). This way we don't have to realloc and
+ *               memcpy when setting it.
+ *
+ *               We set this up in uwb_rc_ie_setup(), where we alloc
+ *               this struct, call get_ie() [so we know which IEs are
+ *               currently being sent, if any].
+ *
+ * @ies_capacity:Amount of space (in bytes) allocated in @ies. The
+ *               amount used is given by sizeof(*ies) plus ies->wIELength
+ *               (which is a little endian quantity all the time).
+ * @ies_mutex:   protect the IE cache
+ * @dbg:         information for the debug interface
+ */
+struct uwb_rc {
+	struct uwb_dev uwb_dev;
+	int index;
+	u16 version;
+
+	struct module *owner;
+	void *priv;
+	int (*start)(struct uwb_rc *rc);
+	void (*stop)(struct uwb_rc *rc);
+	int (*cmd)(struct uwb_rc *, const struct uwb_rccb *, size_t);
+	int (*reset)(struct uwb_rc *rc);
+	int (*filter_cmd)(struct uwb_rc *, struct uwb_rccb **, size_t *);
+	int (*filter_event)(struct uwb_rc *, struct uwb_rceb **, const size_t,
+			    size_t *, size_t *);
+
+	spinlock_t neh_lock;		/* protects neh_* and ctx_* */
+	struct list_head neh_list;	/* Open NE handles */
+	unsigned long ctx_bm[UWB_RC_CTX_MAX / 8 / sizeof(unsigned long)];
+	u8 ctx_roll;
+
+	int beaconing;			/* Beaconing state [channel number] */
+	int scanning;
+	enum uwb_scan_type scan_type:3;
+	unsigned ready:1;
+	struct uwb_notifs_chain notifs_chain;
+
+	struct uwb_drp_avail drp_avail;
+	struct list_head reservations;
+	struct mutex rsvs_mutex;
+	struct workqueue_struct *rsv_workq;
+	struct work_struct rsv_update_work;
+
+	struct mutex ies_mutex;
+	struct uwb_rc_cmd_set_ie *ies;
+	size_t ies_capacity;
+
+	spinlock_t pal_lock;
+	struct list_head pals;
+
+	struct uwb_dbg *dbg;
+};
+
+
+/**
+ * struct uwb_pal - a UWB PAL
+ * @new_rsv: called when a peer requests a reservation (may be NULL if
+ *           the PAL cannot accept reservation requests).
+ *
+ * A Protocol Adaptation Layer (PAL) is a user of the WiMedia UWB
+ * radio platform (e.g., WUSB, WLP or Bluetooth UWB AMP).
+ *
+ * The PALs using a radio controller must register themselves to
+ * permit the UWB stack to coordinate usage of the radio between the
+ * various PALs or to allow PALs to response to certain requests from
+ * peers.
+ *
+ * A struct uwb_pal should be embedded in a containing structure
+ * belonging to the PAL and initialized with uwb_pal_init()).  Fields
+ * should be set appropriately by the PAL before registering the PAL
+ * with uwb_pal_register().
+ */
+struct uwb_pal {
+	struct list_head node;
+
+	void (*new_rsv)(struct uwb_rsv *rsv);
+};
+
+void uwb_pal_init(struct uwb_pal *pal);
+int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal);
+void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal);
+
+/*
+ * General public API
+ *
+ * This API can be used by UWB device drivers or by those implementing
+ * UWB Radio Controllers
+ */
+struct uwb_dev *uwb_dev_get_by_devaddr(struct uwb_rc *rc,
+				       const struct uwb_dev_addr *devaddr);
+struct uwb_dev *uwb_dev_get_by_rc(struct uwb_dev *, struct uwb_rc *);
+static inline void uwb_dev_get(struct uwb_dev *uwb_dev)
+{
+	get_device(&uwb_dev->dev);
+}
+static inline void uwb_dev_put(struct uwb_dev *uwb_dev)
+{
+	put_device(&uwb_dev->dev);
+}
+struct uwb_dev *uwb_dev_try_get(struct uwb_rc *rc, struct uwb_dev *uwb_dev);
+
+/**
+ * Callback function for 'uwb_{dev,rc}_foreach()'.
+ *
+ * @dev:  Linux device instance
+ *        'uwb_dev = container_of(dev, struct uwb_dev, dev)'
+ * @priv: Data passed by the caller to 'uwb_{dev,rc}_foreach()'.
+ *
+ * @returns: 0 to continue the iterations, any other val to stop
+ *           iterating and return the value to the caller of
+ *           _foreach().
+ */
+typedef int (*uwb_dev_for_each_f)(struct device *dev, void *priv);
+int uwb_dev_for_each(struct uwb_rc *rc, uwb_dev_for_each_f func, void *priv);
+
+struct uwb_rc *uwb_rc_alloc(void);
+struct uwb_rc *uwb_rc_get_by_dev(const struct uwb_dev_addr *);
+struct uwb_rc *uwb_rc_get_by_grandpa(const struct device *);
+void uwb_rc_put(struct uwb_rc *rc);
+
+typedef void (*uwb_rc_cmd_cb_f)(struct uwb_rc *rc, void *arg,
+                                struct uwb_rceb *reply, ssize_t reply_size);
+
+int uwb_rc_cmd_async(struct uwb_rc *rc, const char *cmd_name,
+		     struct uwb_rccb *cmd, size_t cmd_size,
+		     u8 expected_type, u16 expected_event,
+		     uwb_rc_cmd_cb_f cb, void *arg);
+ssize_t uwb_rc_cmd(struct uwb_rc *rc, const char *cmd_name,
+		   struct uwb_rccb *cmd, size_t cmd_size,
+		   struct uwb_rceb *reply, size_t reply_size);
+ssize_t uwb_rc_vcmd(struct uwb_rc *rc, const char *cmd_name,
+		    struct uwb_rccb *cmd, size_t cmd_size,
+		    u8 expected_type, u16 expected_event,
+		    struct uwb_rceb **preply);
+ssize_t uwb_rc_get_ie(struct uwb_rc *, struct uwb_rc_evt_get_ie **);
+int uwb_bg_joined(struct uwb_rc *rc);
+
+size_t __uwb_addr_print(char *, size_t, const unsigned char *, int);
+
+int uwb_rc_dev_addr_set(struct uwb_rc *, const struct uwb_dev_addr *);
+int uwb_rc_dev_addr_get(struct uwb_rc *, struct uwb_dev_addr *);
+int uwb_rc_mac_addr_set(struct uwb_rc *, const struct uwb_mac_addr *);
+int uwb_rc_mac_addr_get(struct uwb_rc *, struct uwb_mac_addr *);
+int __uwb_mac_addr_assigned_check(struct device *, void *);
+int __uwb_dev_addr_assigned_check(struct device *, void *);
+
+/* Print in @buf a pretty repr of @addr */
+static inline size_t uwb_dev_addr_print(char *buf, size_t buf_size,
+					const struct uwb_dev_addr *addr)
+{
+	return __uwb_addr_print(buf, buf_size, addr->data, 0);
+}
+
+/* Print in @buf a pretty repr of @addr */
+static inline size_t uwb_mac_addr_print(char *buf, size_t buf_size,
+					const struct uwb_mac_addr *addr)
+{
+	return __uwb_addr_print(buf, buf_size, addr->data, 1);
+}
+
+/* @returns 0 if device addresses @addr2 and @addr1 are equal */
+static inline int uwb_dev_addr_cmp(const struct uwb_dev_addr *addr1,
+				   const struct uwb_dev_addr *addr2)
+{
+	return memcmp(addr1, addr2, sizeof(*addr1));
+}
+
+/* @returns 0 if MAC addresses @addr2 and @addr1 are equal */
+static inline int uwb_mac_addr_cmp(const struct uwb_mac_addr *addr1,
+				   const struct uwb_mac_addr *addr2)
+{
+	return memcmp(addr1, addr2, sizeof(*addr1));
+}
+
+/* @returns !0 if a MAC @addr is a broadcast address */
+static inline int uwb_mac_addr_bcast(const struct uwb_mac_addr *addr)
+{
+	struct uwb_mac_addr bcast = {
+		.data = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
+	};
+	return !uwb_mac_addr_cmp(addr, &bcast);
+}
+
+/* @returns !0 if a MAC @addr is all zeroes*/
+static inline int uwb_mac_addr_unset(const struct uwb_mac_addr *addr)
+{
+	struct uwb_mac_addr unset = {
+		.data = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+	};
+	return !uwb_mac_addr_cmp(addr, &unset);
+}
+
+/* @returns !0 if the address is in use. */
+static inline unsigned __uwb_dev_addr_assigned(struct uwb_rc *rc,
+					       struct uwb_dev_addr *addr)
+{
+	return uwb_dev_for_each(rc, __uwb_dev_addr_assigned_check, addr);
+}
+
+/*
+ * UWB Radio Controller API
+ *
+ * This API is used (in addition to the general API) to implement UWB
+ * Radio Controllers.
+ */
+void uwb_rc_init(struct uwb_rc *);
+int uwb_rc_add(struct uwb_rc *, struct device *dev, void *rc_priv);
+void uwb_rc_rm(struct uwb_rc *);
+void uwb_rc_neh_grok(struct uwb_rc *, void *, size_t);
+void uwb_rc_neh_error(struct uwb_rc *, int);
+void uwb_rc_reset_all(struct uwb_rc *rc);
+
+/**
+ * uwb_rsv_is_owner - is the owner of this reservation the RC?
+ * @rsv: the reservation
+ */
+static inline bool uwb_rsv_is_owner(struct uwb_rsv *rsv)
+{
+	return rsv->owner == &rsv->rc->uwb_dev;
+}
+
+/**
+ * Events generated by UWB that can be passed to any listeners
+ *
+ * Higher layers can register callback functions with the radio
+ * controller using uwb_notifs_register(). The radio controller
+ * maintains a list of all registered handlers and will notify all
+ * nodes when an event occurs.
+ */
+enum uwb_notifs {
+	UWB_NOTIF_BG_JOIN = 0,	/* radio controller joined a beacon group */
+	UWB_NOTIF_BG_LEAVE = 1,	/* radio controller left a beacon group */
+	UWB_NOTIF_ONAIR,
+	UWB_NOTIF_OFFAIR,
+};
+
+/* Callback function registered with UWB */
+struct uwb_notifs_handler {
+	struct list_head list_node;
+	void (*cb)(void *, struct uwb_dev *, enum uwb_notifs);
+	void *data;
+};
+
+int uwb_notifs_register(struct uwb_rc *, struct uwb_notifs_handler *);
+int uwb_notifs_deregister(struct uwb_rc *, struct uwb_notifs_handler *);
+
+
+/**
+ * UWB radio controller Event Size Entry (for creating entry tables)
+ *
+ * WUSB and WHCI define events and notifications, and they might have
+ * fixed or variable size.
+ *
+ * Each event/notification has a size which is not necessarily known
+ * in advance based on the event code. As well, vendor specific
+ * events/notifications will have a size impossible to determine
+ * unless we know about the device's specific details.
+ *
+ * It was way too smart of the spec writers not to think that it would
+ * be impossible for a generic driver to skip over vendor specific
+ * events/notifications if there are no LENGTH fields in the HEADER of
+ * each message...the transaction size cannot be counted on as the
+ * spec does not forbid to pack more than one event in a single
+ * transaction.
+ *
+ * Thus, we guess sizes with tables (or for events, when you know the
+ * size ahead of time you can use uwb_rc_neh_extra_size*()). We
+ * register tables with the known events and their sizes, and then we
+ * traverse those tables. For those with variable length, we provide a
+ * way to lookup the size inside the event/notification's
+ * payload. This allows device-specific event size tables to be
+ * registered.
+ *
+ * @size:   Size of the payload
+ *
+ * @offset: if != 0, at offset @offset-1 starts a field with a length
+ *          that has to be added to @size. The format of the field is
+ *          given by @type.
+ *
+ * @type:   Type and length of the offset field. Most common is LE 16
+ *          bits (that's why that is zero); others are there mostly to
+ *          cover for bugs and weirdos.
+ */
+struct uwb_est_entry {
+	size_t size;
+	unsigned offset;
+	enum { UWB_EST_16 = 0, UWB_EST_8 = 1 } type;
+};
+
+int uwb_est_register(u8 type, u8 code_high, u16 vendor, u16 product,
+		     const struct uwb_est_entry *, size_t entries);
+int uwb_est_unregister(u8 type, u8 code_high, u16 vendor, u16 product,
+		       const struct uwb_est_entry *, size_t entries);
+ssize_t uwb_est_find_size(struct uwb_rc *rc, const struct uwb_rceb *rceb,
+			  size_t len);
+
+/* -- Misc */
+
+enum {
+	EDC_MAX_ERRORS = 10,
+	EDC_ERROR_TIMEFRAME = HZ,
+};
+
+/* error density counter */
+struct edc {
+	unsigned long timestart;
+	u16 errorcount;
+};
+
+static inline
+void edc_init(struct edc *edc)
+{
+	edc->timestart = jiffies;
+}
+
+/* Called when an error occured.
+ * This is way to determine if the number of acceptable errors per time
+ * period has been exceeded. It is not accurate as there are cases in which
+ * this scheme will not work, for example if there are periodic occurences
+ * of errors that straddle updates to the start time. This scheme is
+ * sufficient for our usage.
+ *
+ * @returns 1 if maximum acceptable errors per timeframe has been exceeded.
+ */
+static inline int edc_inc(struct edc *err_hist, u16 max_err, u16 timeframe)
+{
+	unsigned long now;
+
+	now = jiffies;
+	if (now - err_hist->timestart > timeframe) {
+		err_hist->errorcount = 1;
+		err_hist->timestart = now;
+	} else if (++err_hist->errorcount > max_err) {
+			err_hist->errorcount = 0;
+			err_hist->timestart = now;
+			return 1;
+	}
+	return 0;
+}
+
+
+/* Information Element handling */
+
+/* For representing the state of writing to a buffer when iterating */
+struct uwb_buf_ctx {
+	char *buf;
+	size_t bytes, size;
+};
+
+typedef int (*uwb_ie_f)(struct uwb_dev *, const struct uwb_ie_hdr *,
+			size_t, void *);
+struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len);
+ssize_t uwb_ie_for_each(struct uwb_dev *uwb_dev, uwb_ie_f fn, void *data,
+			const void *buf, size_t size);
+int uwb_ie_dump_hex(struct uwb_dev *, const struct uwb_ie_hdr *,
+		    size_t, void *);
+int uwb_rc_set_ie(struct uwb_rc *, struct uwb_rc_cmd_set_ie *);
+struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len);
+
+
+/*
+ * Transmission statistics
+ *
+ * UWB uses LQI and RSSI (one byte values) for reporting radio signal
+ * strength and line quality indication. We do quick and dirty
+ * averages of those. They are signed values, btw.
+ *
+ * For 8 bit quantities, we keep the min, the max, an accumulator
+ * (@sigma) and a # of samples. When @samples gets to 255, we compute
+ * the average (@sigma / @samples), place it in @sigma and reset
+ * @samples to 1 (so we use it as the first sample).
+ *
+ * Now, statistically speaking, probably I am kicking the kidneys of
+ * some books I have in my shelves collecting dust, but I just want to
+ * get an approx, not the Nobel.
+ *
+ * LOCKING: there is no locking per se, but we try to keep a lockless
+ * schema. Only _add_samples() modifies the values--as long as you
+ * have other locking on top that makes sure that no two calls of
+ * _add_sample() happen at the same time, then we are fine. Now, for
+ * resetting the values we just set @samples to 0 and that makes the
+ * next _add_sample() to start with defaults. Reading the values in
+ * _show() currently can race, so you need to make sure the calls are
+ * under the same lock that protects calls to _add_sample(). FIXME:
+ * currently unlocked (It is not ultraprecise but does the trick. Bite
+ * me).
+ */
+struct stats {
+	s8 min, max;
+	s16 sigma;
+	atomic_t samples;
+};
+
+static inline
+void stats_init(struct stats *stats)
+{
+	atomic_set(&stats->samples, 0);
+	wmb();
+}
+
+static inline
+void stats_add_sample(struct stats *stats, s8 sample)
+{
+	s8 min, max;
+	s16 sigma;
+	unsigned samples = atomic_read(&stats->samples);
+	if (samples == 0) {	/* it was zero before, so we initialize */
+		min = 127;
+		max = -128;
+		sigma = 0;
+	} else {
+		min = stats->min;
+		max = stats->max;
+		sigma = stats->sigma;
+	}
+
+	if (sample < min)	/* compute new values */
+		min = sample;
+	else if (sample > max)
+		max = sample;
+	sigma += sample;
+
+	stats->min = min;	/* commit */
+	stats->max = max;
+	stats->sigma = sigma;
+	if (atomic_add_return(1, &stats->samples) > 255) {
+		/* wrapped around! reset */
+		stats->sigma = sigma / 256;
+		atomic_set(&stats->samples, 1);
+	}
+}
+
+static inline ssize_t stats_show(struct stats *stats, char *buf)
+{
+	int min, max, avg;
+	int samples = atomic_read(&stats->samples);
+	if (samples == 0)
+		min = max = avg = 0;
+	else {
+		min = stats->min;
+		max = stats->max;
+		avg = stats->sigma / samples;
+	}
+	return scnprintf(buf, PAGE_SIZE, "%d %d %d\n", min, max, avg);
+}
+
+static inline ssize_t stats_store(struct stats *stats, const char *buf,
+				  size_t size)
+{
+	stats_init(stats);
+	return size;
+}
+
+#endif /* #ifndef __LINUX__UWB_H__ */
diff --git a/include/linux/uwb/debug-cmd.h b/include/linux/uwb/debug-cmd.h
new file mode 100644
index 00000000000..1141f41bab5
--- /dev/null
+++ b/include/linux/uwb/debug-cmd.h
@@ -0,0 +1,57 @@
+/*
+ * Ultra Wide Band
+ * Debug interface commands
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __LINUX__UWB__DEBUG_CMD_H__
+#define __LINUX__UWB__DEBUG_CMD_H__
+
+#include <linux/types.h>
+
+/*
+ * Debug interface commands
+ *
+ * UWB_DBG_CMD_RSV_ESTABLISH: Establish a new unicast reservation.
+ *
+ * UWB_DBG_CMD_RSV_TERMINATE: Terminate the Nth reservation.
+ */
+
+enum uwb_dbg_cmd_type {
+	UWB_DBG_CMD_RSV_ESTABLISH = 1,
+	UWB_DBG_CMD_RSV_TERMINATE = 2,
+};
+
+struct uwb_dbg_cmd_rsv_establish {
+	__u8  target[6];
+	__u8  type;
+	__u16 max_mas;
+	__u16 min_mas;
+	__u8  sparsity;
+};
+
+struct uwb_dbg_cmd_rsv_terminate {
+	int index;
+};
+
+struct uwb_dbg_cmd {
+	__u32 type;
+	union {
+		struct uwb_dbg_cmd_rsv_establish rsv_establish;
+		struct uwb_dbg_cmd_rsv_terminate rsv_terminate;
+	};
+};
+
+#endif /* #ifndef __LINUX__UWB__DEBUG_CMD_H__ */
diff --git a/include/linux/uwb/debug.h b/include/linux/uwb/debug.h
new file mode 100644
index 00000000000..a86a73fe303
--- /dev/null
+++ b/include/linux/uwb/debug.h
@@ -0,0 +1,82 @@
+/*
+ * Ultra Wide Band
+ * Debug Support
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: doc
+ * Invoke like:
+ *
+ * #define D_LOCAL 4
+ * #include <linux/uwb/debug.h>
+ *
+ * At the end of your include files.
+ */
+#include <linux/types.h>
+
+struct device;
+extern void dump_bytes(struct device *dev, const void *_buf, size_t rsize);
+
+/* Master debug switch; !0 enables, 0 disables */
+#define D_MASTER (!0)
+
+/* Local (per-file) debug switch; #define before #including */
+#ifndef D_LOCAL
+#define D_LOCAL 0
+#endif
+
+#undef __d_printf
+#undef d_fnstart
+#undef d_fnend
+#undef d_printf
+#undef d_dump
+
+#define __d_printf(l, _tag, _dev, f, a...)				\
+do {									\
+	struct device *__dev = (_dev);					\
+	if (D_MASTER && D_LOCAL >= (l)) {				\
+		char __head[64] = "";					\
+		if (_dev != NULL) {					\
+			if ((unsigned long)__dev < 4096)		\
+				printk(KERN_ERR "E: Corrupt dev %p\n",	\
+					__dev);				\
+			else						\
+				snprintf(__head, sizeof(__head),	\
+					 "%s %s: ",			\
+					 dev_driver_string(__dev),	\
+					 __dev->bus_id);		\
+		}							\
+		printk(KERN_ERR "%s%s" _tag ": " f, __head,		\
+			__func__, ## a);				\
+	}								\
+} while (0 && _dev)
+
+#define d_fnstart(l, _dev, f, a...)	\
+	__d_printf(l, " FNSTART", _dev, f, ## a)
+#define d_fnend(l, _dev, f, a...)	\
+	__d_printf(l, " FNEND", _dev, f, ## a)
+#define d_printf(l, _dev, f, a...)	\
+	__d_printf(l, "", _dev, f, ## a)
+#define d_dump(l, _dev, ptr, size)		\
+do {						\
+	struct device *__dev = _dev;		\
+	if (D_MASTER && D_LOCAL >= (l))		\
+		dump_bytes(__dev, ptr, size);	\
+} while (0 && _dev)
+#define d_test(l) (D_MASTER && D_LOCAL >= (l))
diff --git a/include/linux/uwb/spec.h b/include/linux/uwb/spec.h
new file mode 100644
index 00000000000..198c15f8e25
--- /dev/null
+++ b/include/linux/uwb/spec.h
@@ -0,0 +1,727 @@
+/*
+ * Ultra Wide Band
+ * UWB Standard definitions
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * All these definitions are based on the ECMA-368 standard.
+ *
+ * Note all definitions are Little Endian in the wire, and we will
+ * convert them to host order before operating on the bitfields (that
+ * yes, we use extensively).
+ */
+
+#ifndef __LINUX__UWB_SPEC_H__
+#define __LINUX__UWB_SPEC_H__
+
+#include <linux/types.h>
+#include <linux/bitmap.h>
+
+#define i1480_FW 0x00000303
+/* #define i1480_FW 0x00000302 */
+
+/**
+ * Number of Medium Access Slots in a superframe.
+ *
+ * UWB divides time in SuperFrames, each one divided in 256 pieces, or
+ * Medium Access Slots. See MBOA MAC[5.4.5] for details. The MAS is the
+ * basic bandwidth allocation unit in UWB.
+ */
+enum { UWB_NUM_MAS = 256 };
+
+/**
+ * Number of Zones in superframe.
+ *
+ * UWB divides the superframe into zones with numbering starting from BPST.
+ * See MBOA MAC[16.8.6]
+ */
+enum { UWB_NUM_ZONES = 16 };
+
+/*
+ * Number of MAS in a zone.
+ */
+#define UWB_MAS_PER_ZONE (UWB_NUM_MAS / UWB_NUM_ZONES)
+
+/*
+ * Number of streams per DRP reservation between a pair of devices.
+ *
+ * [ECMA-368] section 16.8.6.
+ */
+enum { UWB_NUM_STREAMS = 8 };
+
+/*
+ * mMasLength
+ *
+ * The length of a MAS in microseconds.
+ *
+ * [ECMA-368] section 17.16.
+ */
+enum { UWB_MAS_LENGTH_US = 256 };
+
+/*
+ * mBeaconSlotLength
+ *
+ * The length of the beacon slot in microseconds.
+ *
+ * [ECMA-368] section 17.16
+ */
+enum { UWB_BEACON_SLOT_LENGTH_US = 85 };
+
+/*
+ * mMaxLostBeacons
+ *
+ * The number beacons missing in consecutive superframes before a
+ * device can be considered as unreachable.
+ *
+ * [ECMA-368] section 17.16
+ */
+enum { UWB_MAX_LOST_BEACONS = 3 };
+
+/*
+ * Length of a superframe in microseconds.
+ */
+#define UWB_SUPERFRAME_LENGTH_US (UWB_MAS_LENGTH_US * UWB_NUM_MAS)
+
+/**
+ * UWB MAC address
+ *
+ * It is *imperative* that this struct is exactly 6 packed bytes (as
+ * it is also used to define headers sent down and up the wire/radio).
+ */
+struct uwb_mac_addr {
+	u8 data[6];
+} __attribute__((packed));
+
+
+/**
+ * UWB device address
+ *
+ * It is *imperative* that this struct is exactly 6 packed bytes (as
+ * it is also used to define headers sent down and up the wire/radio).
+ */
+struct uwb_dev_addr {
+	u8 data[2];
+} __attribute__((packed));
+
+
+/**
+ * Types of UWB addresses
+ *
+ * Order matters (by size).
+ */
+enum uwb_addr_type {
+	UWB_ADDR_DEV = 0,
+	UWB_ADDR_MAC = 1,
+};
+
+
+/** Size of a char buffer for printing a MAC/device address */
+enum { UWB_ADDR_STRSIZE = 32 };
+
+
+/** UWB WiMedia protocol IDs. */
+enum uwb_prid {
+	UWB_PRID_WLP_RESERVED   = 0x0000,
+	UWB_PRID_WLP		= 0x0001,
+	UWB_PRID_WUSB_BOT	= 0x0010,
+	UWB_PRID_WUSB		= 0x0010,
+	UWB_PRID_WUSB_TOP	= 0x001F,
+};
+
+
+/** PHY Rate (MBOA MAC[7.8.12, Table 61]) */
+enum uwb_phy_rate {
+	UWB_PHY_RATE_53 = 0,
+	UWB_PHY_RATE_80,
+	UWB_PHY_RATE_106,
+	UWB_PHY_RATE_160,
+	UWB_PHY_RATE_200,
+	UWB_PHY_RATE_320,
+	UWB_PHY_RATE_400,
+	UWB_PHY_RATE_480,
+	UWB_PHY_RATE_INVALID
+};
+
+
+/**
+ * Different ways to scan (MBOA MAC[6.2.2, Table 8], WUSB[Table 8-78])
+ */
+enum uwb_scan_type {
+	UWB_SCAN_ONLY = 0,
+	UWB_SCAN_OUTSIDE_BP,
+	UWB_SCAN_WHILE_INACTIVE,
+	UWB_SCAN_DISABLED,
+	UWB_SCAN_ONLY_STARTTIME,
+	UWB_SCAN_TOP
+};
+
+
+/** ACK Policy types (MBOA MAC[7.2.1.3]) */
+enum uwb_ack_pol {
+	UWB_ACK_NO = 0,
+	UWB_ACK_INM = 1,
+	UWB_ACK_B = 2,
+	UWB_ACK_B_REQ = 3,
+};
+
+
+/** DRP reservation types ([ECMA-368 table 106) */
+enum uwb_drp_type {
+	UWB_DRP_TYPE_ALIEN_BP = 0,
+	UWB_DRP_TYPE_HARD,
+	UWB_DRP_TYPE_SOFT,
+	UWB_DRP_TYPE_PRIVATE,
+	UWB_DRP_TYPE_PCA,
+};
+
+
+/** DRP Reason Codes ([ECMA-368] table 107) */
+enum uwb_drp_reason {
+	UWB_DRP_REASON_ACCEPTED = 0,
+	UWB_DRP_REASON_CONFLICT,
+	UWB_DRP_REASON_PENDING,
+	UWB_DRP_REASON_DENIED,
+	UWB_DRP_REASON_MODIFIED,
+};
+
+/**
+ *  DRP Notification Reason Codes (WHCI 0.95 [3.1.4.9])
+ */
+enum uwb_drp_notif_reason {
+	UWB_DRP_NOTIF_DRP_IE_RCVD = 0,
+	UWB_DRP_NOTIF_CONFLICT,
+	UWB_DRP_NOTIF_TERMINATE,
+};
+
+
+/** Allocation of MAS slots in a DRP request MBOA MAC[7.8.7] */
+struct uwb_drp_alloc {
+	__le16 zone_bm;
+	__le16 mas_bm;
+} __attribute__((packed));
+
+
+/** General MAC Header format (ECMA-368[16.2]) */
+struct uwb_mac_frame_hdr {
+	__le16 Frame_Control;
+	struct uwb_dev_addr DestAddr;
+	struct uwb_dev_addr SrcAddr;
+	__le16 Sequence_Control;
+	__le16 Access_Information;
+} __attribute__((packed));
+
+
+/**
+ * uwb_beacon_frame - a beacon frame including MAC headers
+ *
+ * [ECMA] section 16.3.
+ */
+struct uwb_beacon_frame {
+	struct uwb_mac_frame_hdr hdr;
+	struct uwb_mac_addr Device_Identifier;	/* may be a NULL EUI-48 */
+	u8 Beacon_Slot_Number;
+	u8 Device_Control;
+	u8 IEData[];
+} __attribute__((packed));
+
+
+/** Information Element codes (MBOA MAC[T54]) */
+enum uwb_ie {
+	UWB_PCA_AVAILABILITY = 2,
+	UWB_IE_DRP_AVAILABILITY = 8,
+	UWB_IE_DRP = 9,
+	UWB_BP_SWITCH_IE = 11,
+	UWB_MAC_CAPABILITIES_IE = 12,
+	UWB_PHY_CAPABILITIES_IE = 13,
+	UWB_APP_SPEC_PROBE_IE = 15,
+	UWB_IDENTIFICATION_IE = 19,
+	UWB_MASTER_KEY_ID_IE = 20,
+	UWB_IE_WLP = 250, /* WiMedia Logical Link Control Protocol WLP 0.99 */
+	UWB_APP_SPEC_IE = 255,
+};
+
+
+/**
+ * Header common to all Information Elements (IEs)
+ */
+struct uwb_ie_hdr {
+	u8 element_id;	/* enum uwb_ie */
+	u8 length;
+} __attribute__((packed));
+
+
+/** Dynamic Reservation Protocol IE (MBOA MAC[7.8.6]) */
+struct uwb_ie_drp {
+	struct uwb_ie_hdr	hdr;
+	__le16                  drp_control;
+	struct uwb_dev_addr	dev_addr;
+	struct uwb_drp_alloc	allocs[];
+} __attribute__((packed));
+
+static inline int uwb_ie_drp_type(struct uwb_ie_drp *ie)
+{
+	return (le16_to_cpu(ie->drp_control) >> 0) & 0x7;
+}
+
+static inline int uwb_ie_drp_stream_index(struct uwb_ie_drp *ie)
+{
+	return (le16_to_cpu(ie->drp_control) >> 3) & 0x7;
+}
+
+static inline int uwb_ie_drp_reason_code(struct uwb_ie_drp *ie)
+{
+	return (le16_to_cpu(ie->drp_control) >> 6) & 0x7;
+}
+
+static inline int uwb_ie_drp_status(struct uwb_ie_drp *ie)
+{
+	return (le16_to_cpu(ie->drp_control) >> 9) & 0x1;
+}
+
+static inline int uwb_ie_drp_owner(struct uwb_ie_drp *ie)
+{
+	return (le16_to_cpu(ie->drp_control) >> 10) & 0x1;
+}
+
+static inline int uwb_ie_drp_tiebreaker(struct uwb_ie_drp *ie)
+{
+	return (le16_to_cpu(ie->drp_control) >> 11) & 0x1;
+}
+
+static inline int uwb_ie_drp_unsafe(struct uwb_ie_drp *ie)
+{
+	return (le16_to_cpu(ie->drp_control) >> 12) & 0x1;
+}
+
+static inline void uwb_ie_drp_set_type(struct uwb_ie_drp *ie, enum uwb_drp_type type)
+{
+	u16 drp_control = le16_to_cpu(ie->drp_control);
+	drp_control = (drp_control & ~(0x7 << 0)) | (type << 0);
+	ie->drp_control = cpu_to_le16(drp_control);
+}
+
+static inline void uwb_ie_drp_set_stream_index(struct uwb_ie_drp *ie, int stream_index)
+{
+	u16 drp_control = le16_to_cpu(ie->drp_control);
+	drp_control = (drp_control & ~(0x7 << 3)) | (stream_index << 3);
+	ie->drp_control = cpu_to_le16(drp_control);
+}
+
+static inline void uwb_ie_drp_set_reason_code(struct uwb_ie_drp *ie,
+				       enum uwb_drp_reason reason_code)
+{
+	u16 drp_control = le16_to_cpu(ie->drp_control);
+	drp_control = (ie->drp_control & ~(0x7 << 6)) | (reason_code << 6);
+	ie->drp_control = cpu_to_le16(drp_control);
+}
+
+static inline void uwb_ie_drp_set_status(struct uwb_ie_drp *ie, int status)
+{
+	u16 drp_control = le16_to_cpu(ie->drp_control);
+	drp_control = (drp_control & ~(0x1 << 9)) | (status << 9);
+	ie->drp_control = cpu_to_le16(drp_control);
+}
+
+static inline void uwb_ie_drp_set_owner(struct uwb_ie_drp *ie, int owner)
+{
+	u16 drp_control = le16_to_cpu(ie->drp_control);
+	drp_control = (drp_control & ~(0x1 << 10)) | (owner << 10);
+	ie->drp_control = cpu_to_le16(drp_control);
+}
+
+static inline void uwb_ie_drp_set_tiebreaker(struct uwb_ie_drp *ie, int tiebreaker)
+{
+	u16 drp_control = le16_to_cpu(ie->drp_control);
+	drp_control = (drp_control & ~(0x1 << 11)) | (tiebreaker << 11);
+	ie->drp_control = cpu_to_le16(drp_control);
+}
+
+static inline void uwb_ie_drp_set_unsafe(struct uwb_ie_drp *ie, int unsafe)
+{
+	u16 drp_control = le16_to_cpu(ie->drp_control);
+	drp_control = (drp_control & ~(0x1 << 12)) | (unsafe << 12);
+	ie->drp_control = cpu_to_le16(drp_control);
+}
+
+/** Dynamic Reservation Protocol IE (MBOA MAC[7.8.7]) */
+struct uwb_ie_drp_avail {
+	struct uwb_ie_hdr	hdr;
+	DECLARE_BITMAP(bmp, UWB_NUM_MAS);
+} __attribute__((packed));
+
+/**
+ * The Vendor ID is set to an OUI that indicates the vendor of the device.
+ * ECMA-368 [16.8.10]
+ */
+struct uwb_vendor_id {
+	u8 data[3];
+} __attribute__((packed));
+
+/**
+ * The device type ID
+ * FIXME: clarify what this means
+ * ECMA-368 [16.8.10]
+ */
+struct uwb_device_type_id {
+	u8 data[3];
+} __attribute__((packed));
+
+
+/**
+ * UWB device information types
+ * ECMA-368 [16.8.10]
+ */
+enum uwb_dev_info_type {
+	UWB_DEV_INFO_VENDOR_ID = 0,
+	UWB_DEV_INFO_VENDOR_TYPE,
+	UWB_DEV_INFO_NAME,
+};
+
+/**
+ * UWB device information found in Identification IE
+ * ECMA-368 [16.8.10]
+ */
+struct uwb_dev_info {
+	u8 type;	/* enum uwb_dev_info_type */
+	u8 length;
+	u8 data[];
+} __attribute__((packed));
+
+/**
+ * UWB Identification IE
+ * ECMA-368 [16.8.10]
+ */
+struct uwb_identification_ie {
+	struct uwb_ie_hdr hdr;
+	struct uwb_dev_info info[];
+} __attribute__((packed));
+
+/*
+ * UWB Radio Controller
+ *
+ * These definitions are common to the Radio Control layers as
+ * exported by the WUSB1.0 HWA and WHCI interfaces.
+ */
+
+/** Radio Control Command Block (WUSB1.0[Table 8-65] and WHCI 0.95) */
+struct uwb_rccb {
+	u8 bCommandType;		/* enum hwa_cet */
+	__le16 wCommand;		/* Command code */
+	u8 bCommandContext;		/* Context ID */
+} __attribute__((packed));
+
+
+/** Radio Control Event Block (WUSB[table 8-66], WHCI 0.95) */
+struct uwb_rceb {
+	u8 bEventType;			/* enum hwa_cet */
+	__le16 wEvent;			/* Event code */
+	u8 bEventContext;		/* Context ID */
+} __attribute__((packed));
+
+
+enum {
+	UWB_RC_CET_GENERAL = 0,		/* General Command/Event type */
+	UWB_RC_CET_EX_TYPE_1 = 1,	/* Extended Type 1 Command/Event type */
+};
+
+/* Commands to the radio controller */
+enum uwb_rc_cmd {
+	UWB_RC_CMD_CHANNEL_CHANGE = 16,
+	UWB_RC_CMD_DEV_ADDR_MGMT = 17,	/* Device Address Management */
+	UWB_RC_CMD_GET_IE = 18,		/* GET Information Elements */
+	UWB_RC_CMD_RESET = 19,
+	UWB_RC_CMD_SCAN = 20,		/* Scan management  */
+	UWB_RC_CMD_SET_BEACON_FILTER = 21,
+	UWB_RC_CMD_SET_DRP_IE = 22,	/* Dynamic Reservation Protocol IEs */
+	UWB_RC_CMD_SET_IE = 23,		/* Information Element management */
+	UWB_RC_CMD_SET_NOTIFICATION_FILTER = 24,
+	UWB_RC_CMD_SET_TX_POWER = 25,
+	UWB_RC_CMD_SLEEP = 26,
+	UWB_RC_CMD_START_BEACON = 27,
+	UWB_RC_CMD_STOP_BEACON = 28,
+	UWB_RC_CMD_BP_MERGE = 29,
+	UWB_RC_CMD_SEND_COMMAND_FRAME = 30,
+	UWB_RC_CMD_SET_ASIE_NOTIF = 31,
+};
+
+/* Notifications from the radio controller */
+enum uwb_rc_evt {
+	UWB_RC_EVT_IE_RCV = 0,
+	UWB_RC_EVT_BEACON = 1,
+	UWB_RC_EVT_BEACON_SIZE = 2,
+	UWB_RC_EVT_BPOIE_CHANGE = 3,
+	UWB_RC_EVT_BP_SLOT_CHANGE = 4,
+	UWB_RC_EVT_BP_SWITCH_IE_RCV = 5,
+	UWB_RC_EVT_DEV_ADDR_CONFLICT = 6,
+	UWB_RC_EVT_DRP_AVAIL = 7,
+	UWB_RC_EVT_DRP = 8,
+	UWB_RC_EVT_BP_SWITCH_STATUS = 9,
+	UWB_RC_EVT_CMD_FRAME_RCV = 10,
+	UWB_RC_EVT_CHANNEL_CHANGE_IE_RCV = 11,
+	/* Events (command responses) use the same code as the command */
+	UWB_RC_EVT_UNKNOWN_CMD_RCV = 65535,
+};
+
+enum uwb_rc_extended_type_1_cmd {
+	UWB_RC_SET_DAA_ENERGY_MASK = 32,
+	UWB_RC_SET_NOTIFICATION_FILTER_EX = 33,
+};
+
+enum uwb_rc_extended_type_1_evt {
+	UWB_RC_DAA_ENERGY_DETECTED = 0,
+};
+
+/* Radio Control Result Code. [WHCI] table 3-3. */
+enum {
+	UWB_RC_RES_SUCCESS = 0,
+	UWB_RC_RES_FAIL,
+	UWB_RC_RES_FAIL_HARDWARE,
+	UWB_RC_RES_FAIL_NO_SLOTS,
+	UWB_RC_RES_FAIL_BEACON_TOO_LARGE,
+	UWB_RC_RES_FAIL_INVALID_PARAMETER,
+	UWB_RC_RES_FAIL_UNSUPPORTED_PWR_LEVEL,
+	UWB_RC_RES_FAIL_INVALID_IE_DATA,
+	UWB_RC_RES_FAIL_BEACON_SIZE_EXCEEDED,
+	UWB_RC_RES_FAIL_CANCELLED,
+	UWB_RC_RES_FAIL_INVALID_STATE,
+	UWB_RC_RES_FAIL_INVALID_SIZE,
+	UWB_RC_RES_FAIL_ACK_NOT_RECEIVED,
+	UWB_RC_RES_FAIL_NO_MORE_ASIE_NOTIF,
+	UWB_RC_RES_FAIL_TIME_OUT = 255,
+};
+
+/* Confirm event. [WHCI] section 3.1.3.1 etc. */
+struct uwb_rc_evt_confirm {
+	struct uwb_rceb rceb;
+	u8 bResultCode;
+} __attribute__((packed));
+
+/* Device Address Management event. [WHCI] section 3.1.3.2. */
+struct uwb_rc_evt_dev_addr_mgmt {
+	struct uwb_rceb rceb;
+	u8 baAddr[6];
+	u8 bResultCode;
+} __attribute__((packed));
+
+
+/* Get IE Event. [WHCI] section 3.1.3.3. */
+struct uwb_rc_evt_get_ie {
+	struct uwb_rceb rceb;
+	__le16 wIELength;
+	u8 IEData[];
+} __attribute__((packed));
+
+/* Set DRP IE Event. [WHCI] section 3.1.3.7. */
+struct uwb_rc_evt_set_drp_ie {
+	struct uwb_rceb rceb;
+	__le16 wRemainingSpace;
+	u8 bResultCode;
+} __attribute__((packed));
+
+/* Set IE Event. [WHCI] section 3.1.3.8. */
+struct uwb_rc_evt_set_ie {
+	struct uwb_rceb rceb;
+	__le16 RemainingSpace;
+	u8 bResultCode;
+} __attribute__((packed));
+
+/* Scan command. [WHCI] 3.1.3.5. */
+struct uwb_rc_cmd_scan {
+	struct uwb_rccb rccb;
+	u8 bChannelNumber;
+	u8 bScanState;
+	__le16 wStartTime;
+} __attribute__((packed));
+
+/* Set DRP IE command. [WHCI] section 3.1.3.7. */
+struct uwb_rc_cmd_set_drp_ie {
+	struct uwb_rccb rccb;
+	__le16 wIELength;
+	struct uwb_ie_drp IEData[];
+} __attribute__((packed));
+
+/* Set IE command. [WHCI] section 3.1.3.8. */
+struct uwb_rc_cmd_set_ie {
+	struct uwb_rccb rccb;
+	__le16 wIELength;
+	u8 IEData[];
+} __attribute__((packed));
+
+/* Set DAA Energy Mask event. [WHCI 0.96] section 3.1.3.17. */
+struct uwb_rc_evt_set_daa_energy_mask {
+	struct uwb_rceb rceb;
+	__le16 wLength;
+	u8 result;
+} __attribute__((packed));
+
+/* Set Notification Filter Extended event. [WHCI 0.96] section 3.1.3.18. */
+struct uwb_rc_evt_set_notification_filter_ex {
+	struct uwb_rceb rceb;
+	__le16 wLength;
+	u8 result;
+} __attribute__((packed));
+
+/* IE Received notification. [WHCI] section 3.1.4.1. */
+struct uwb_rc_evt_ie_rcv {
+	struct uwb_rceb rceb;
+	struct uwb_dev_addr SrcAddr;
+	__le16 wIELength;
+	u8 IEData[];
+} __attribute__((packed));
+
+/* Type of the received beacon. [WHCI] section 3.1.4.2. */
+enum uwb_rc_beacon_type {
+	UWB_RC_BEACON_TYPE_SCAN = 0,
+	UWB_RC_BEACON_TYPE_NEIGHBOR,
+	UWB_RC_BEACON_TYPE_OL_ALIEN,
+	UWB_RC_BEACON_TYPE_NOL_ALIEN,
+};
+
+/* Beacon received notification. [WHCI] 3.1.4.2. */
+struct uwb_rc_evt_beacon {
+	struct uwb_rceb rceb;
+	u8	bChannelNumber;
+	u8	bBeaconType;
+	__le16	wBPSTOffset;
+	u8	bLQI;
+	u8	bRSSI;
+	__le16	wBeaconInfoLength;
+	u8	BeaconInfo[];
+} __attribute__((packed));
+
+
+/* Beacon Size Change notification. [WHCI] section 3.1.4.3 */
+struct uwb_rc_evt_beacon_size {
+	struct uwb_rceb rceb;
+	__le16 wNewBeaconSize;
+} __attribute__((packed));
+
+
+/* BPOIE Change notification. [WHCI] section 3.1.4.4. */
+struct uwb_rc_evt_bpoie_change {
+	struct uwb_rceb rceb;
+	__le16 wBPOIELength;
+	u8 BPOIE[];
+} __attribute__((packed));
+
+
+/* Beacon Slot Change notification. [WHCI] section 3.1.4.5. */
+struct uwb_rc_evt_bp_slot_change {
+	struct uwb_rceb rceb;
+	u8 slot_info;
+} __attribute__((packed));
+
+static inline int uwb_rc_evt_bp_slot_change_slot_num(
+	const struct uwb_rc_evt_bp_slot_change *evt)
+{
+	return evt->slot_info & 0x7f;
+}
+
+static inline int uwb_rc_evt_bp_slot_change_no_slot(
+	const struct uwb_rc_evt_bp_slot_change *evt)
+{
+	return (evt->slot_info & 0x80) >> 7;
+}
+
+/* BP Switch IE Received notification. [WHCI] section 3.1.4.6. */
+struct uwb_rc_evt_bp_switch_ie_rcv {
+	struct uwb_rceb rceb;
+	struct uwb_dev_addr wSrcAddr;
+	__le16 wIELength;
+	u8 IEData[];
+} __attribute__((packed));
+
+/* DevAddr Conflict notification. [WHCI] section 3.1.4.7. */
+struct uwb_rc_evt_dev_addr_conflict {
+	struct uwb_rceb rceb;
+} __attribute__((packed));
+
+/* DRP notification. [WHCI] section 3.1.4.9. */
+struct uwb_rc_evt_drp {
+	struct uwb_rceb           rceb;
+	struct uwb_dev_addr       src_addr;
+	u8                        reason;
+	u8                        beacon_slot_number;
+	__le16                    ie_length;
+	u8                        ie_data[];
+} __attribute__((packed));
+
+static inline enum uwb_drp_notif_reason uwb_rc_evt_drp_reason(struct uwb_rc_evt_drp *evt)
+{
+	return evt->reason & 0x0f;
+}
+
+
+/* DRP Availability Change notification. [WHCI] section 3.1.4.8. */
+struct uwb_rc_evt_drp_avail {
+	struct uwb_rceb rceb;
+	DECLARE_BITMAP(bmp, UWB_NUM_MAS);
+} __attribute__((packed));
+
+/* BP switch status notification. [WHCI] section 3.1.4.10. */
+struct uwb_rc_evt_bp_switch_status {
+	struct uwb_rceb rceb;
+	u8 status;
+	u8 slot_offset;
+	__le16 bpst_offset;
+	u8 move_countdown;
+} __attribute__((packed));
+
+/* Command Frame Received notification. [WHCI] section 3.1.4.11. */
+struct uwb_rc_evt_cmd_frame_rcv {
+	struct uwb_rceb rceb;
+	__le16 receive_time;
+	struct uwb_dev_addr wSrcAddr;
+	struct uwb_dev_addr wDstAddr;
+	__le16 control;
+	__le16 reserved;
+	__le16 dataLength;
+	u8 data[];
+} __attribute__((packed));
+
+/* Channel Change IE Received notification. [WHCI] section 3.1.4.12. */
+struct uwb_rc_evt_channel_change_ie_rcv {
+	struct uwb_rceb rceb;
+	struct uwb_dev_addr wSrcAddr;
+	__le16 wIELength;
+	u8 IEData[];
+} __attribute__((packed));
+
+/* DAA Energy Detected notification. [WHCI 0.96] section 3.1.4.14. */
+struct uwb_rc_evt_daa_energy_detected {
+	struct uwb_rceb rceb;
+	__le16 wLength;
+	u8 bandID;
+	u8 reserved;
+	u8 toneBmp[16];
+} __attribute__((packed));
+
+
+/**
+ * Radio Control Interface Class Descriptor
+ *
+ *  WUSB 1.0 [8.6.1.2]
+ */
+struct uwb_rc_control_intf_class_desc {
+	u8 bLength;
+	u8 bDescriptorType;
+	__le16 bcdRCIVersion;
+} __attribute__((packed));
+
+#endif /* #ifndef __LINUX__UWB_SPEC_H__ */
diff --git a/include/linux/wlp.h b/include/linux/wlp.h
new file mode 100644
index 00000000000..033545e145c
--- /dev/null
+++ b/include/linux/wlp.h
@@ -0,0 +1,735 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ *
+ * - Does not (yet) include support for WLP control frames
+ *   WLP Draft 0.99 [6.5].
+ *
+ *   A visual representation of the data structures.
+ *
+ *                              wssidB      wssidB
+ *                               ^           ^
+ *                               |           |
+ *                              wssidA      wssidA
+ *   wlp interface {             ^           ^
+ *       ...                     |           |
+ *       ...               ...  wssid      wssid ...
+ *       wlp --- ...             |           |
+ *   };          neighbors --> neighbA --> neighbB
+ *               ...
+ *               wss
+ *               ...
+ *               eda cache  --> neighborA --> neighborB --> neighborC ...
+ */
+
+#ifndef __LINUX__WLP_H_
+#define __LINUX__WLP_H_
+
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/list.h>
+#include <linux/uwb.h>
+
+/**
+ * WLP Protocol ID
+ * WLP Draft 0.99 [6.2]
+ *
+ * The MUX header for all WLP frames
+ */
+#define WLP_PROTOCOL_ID 0x0100
+
+/**
+ * WLP Version
+ * WLP version placed in the association frames (WLP 0.99 [6.6])
+ */
+#define WLP_VERSION 0x10
+
+/**
+ * Bytes needed to print UUID as string
+ */
+#define WLP_WSS_UUID_STRSIZE 48
+
+/**
+ * Bytes needed to print nonce as string
+ */
+#define WLP_WSS_NONCE_STRSIZE 48
+
+
+/**
+ * Size used for WLP name size
+ *
+ * The WSS name is set to 65 bytes, 1 byte larger than the maximum
+ * allowed by the WLP spec. This is to have a null terminated string
+ * for display to the user. A maximum of 64 bytes will still be used
+ * when placing the WSS name field in association frames.
+ */
+#define WLP_WSS_NAME_SIZE 65
+
+/**
+ * Number of bytes added by WLP to data frame
+ *
+ * A data frame transmitted from a host will be placed in a Standard or
+ * Abbreviated WLP frame. These have an extra 4 bytes of header (struct
+ * wlp_frame_std_abbrv_hdr).
+ * When the stack sends this data frame for transmission it needs to ensure
+ * there is enough headroom for this header.
+ */
+#define WLP_DATA_HLEN 4
+
+/**
+ * State of device regarding WLP Service Set
+ *
+ * WLP_WSS_STATE_NONE: the host does not participate in any WSS
+ * WLP_WSS_STATE_PART_ENROLLED: used as part of the enrollment sequence
+ *                            ("Partial Enroll"). This state is used to
+ *                            indicate the first part of enrollment that is
+ *                            unsecure. If the WSS is unsecure then the
+ *                            state will promptly go to WLP_WSS_STATE_ENROLLED,
+ *                            if the WSS is not secure then the enrollment
+ *                            procedure is a few more steps before we are
+ *                            enrolled.
+ * WLP_WSS_STATE_ENROLLED: the host is enrolled in a WSS
+ * WLP_WSS_STATE_ACTIVE: WSS is activated
+ * WLP_WSS_STATE_CONNECTED: host is connected to neighbor in WSS
+ *
+ */
+enum wlp_wss_state {
+	WLP_WSS_STATE_NONE = 0,
+	WLP_WSS_STATE_PART_ENROLLED,
+	WLP_WSS_STATE_ENROLLED,
+	WLP_WSS_STATE_ACTIVE,
+	WLP_WSS_STATE_CONNECTED,
+};
+
+/**
+ * WSS Secure status
+ * WLP 0.99 Table 6
+ *
+ * Set to one if the WSS is secure, zero if it is not secure
+ */
+enum wlp_wss_sec_status {
+	WLP_WSS_UNSECURE = 0,
+	WLP_WSS_SECURE,
+};
+
+/**
+ * WLP frame type
+ * WLP Draft 0.99 [6.2 Table 1]
+ */
+enum wlp_frame_type {
+	WLP_FRAME_STANDARD = 0,
+	WLP_FRAME_ABBREVIATED,
+	WLP_FRAME_CONTROL,
+	WLP_FRAME_ASSOCIATION,
+};
+
+/**
+ * WLP Association Message Type
+ * WLP Draft 0.99 [6.6.1.2 Table 8]
+ */
+enum wlp_assoc_type {
+	WLP_ASSOC_D1 = 2,
+	WLP_ASSOC_D2 = 3,
+	WLP_ASSOC_M1 = 4,
+	WLP_ASSOC_M2 = 5,
+	WLP_ASSOC_M3 = 7,
+	WLP_ASSOC_M4 = 8,
+	WLP_ASSOC_M5 = 9,
+	WLP_ASSOC_M6 = 10,
+	WLP_ASSOC_M7 = 11,
+	WLP_ASSOC_M8 = 12,
+	WLP_ASSOC_F0 = 14,
+	WLP_ASSOC_E1 = 32,
+	WLP_ASSOC_E2 = 33,
+	WLP_ASSOC_C1 = 34,
+	WLP_ASSOC_C2 = 35,
+	WLP_ASSOC_C3 = 36,
+	WLP_ASSOC_C4 = 37,
+};
+
+/**
+ * WLP Attribute Type
+ * WLP Draft 0.99 [6.6.1 Table 6]
+ */
+enum wlp_attr_type {
+	WLP_ATTR_AUTH		= 0x1005, /* Authenticator */
+	WLP_ATTR_DEV_NAME 	= 0x1011, /* Device Name */
+	WLP_ATTR_DEV_PWD_ID 	= 0x1012, /* Device Password ID */
+	WLP_ATTR_E_HASH1	= 0x1014, /* E-Hash1 */
+	WLP_ATTR_E_HASH2	= 0x1015, /* E-Hash2 */
+	WLP_ATTR_E_SNONCE1	= 0x1016, /* E-SNonce1 */
+	WLP_ATTR_E_SNONCE2	= 0x1017, /* E-SNonce2 */
+	WLP_ATTR_ENCR_SET	= 0x1018, /* Encrypted Settings */
+	WLP_ATTR_ENRL_NONCE	= 0x101A, /* Enrollee Nonce */
+	WLP_ATTR_KEYWRAP_AUTH	= 0x101E, /* Key Wrap Authenticator */
+	WLP_ATTR_MANUF		= 0x1021, /* Manufacturer */
+	WLP_ATTR_MSG_TYPE	= 0x1022, /* Message Type */
+	WLP_ATTR_MODEL_NAME	= 0x1023, /* Model Name */
+	WLP_ATTR_MODEL_NR	= 0x1024, /* Model Number */
+	WLP_ATTR_PUB_KEY	= 0x1032, /* Public Key */
+	WLP_ATTR_REG_NONCE	= 0x1039, /* Registrar Nonce */
+	WLP_ATTR_R_HASH1	= 0x103D, /* R-Hash1 */
+	WLP_ATTR_R_HASH2	= 0x103E, /* R-Hash2 */
+	WLP_ATTR_R_SNONCE1	= 0x103F, /* R-SNonce1 */
+	WLP_ATTR_R_SNONCE2	= 0x1040, /* R-SNonce2 */
+	WLP_ATTR_SERIAL		= 0x1042, /* Serial number */
+	WLP_ATTR_UUID_E		= 0x1047, /* UUID-E */
+	WLP_ATTR_UUID_R		= 0x1048, /* UUID-R */
+	WLP_ATTR_PRI_DEV_TYPE	= 0x1054, /* Primary Device Type */
+	WLP_ATTR_SEC_DEV_TYPE	= 0x1055, /* Secondary Device Type */
+	WLP_ATTR_PORT_DEV	= 0x1056, /* Portable Device */
+	WLP_ATTR_APP_EXT	= 0x1058, /* Application Extension */
+	WLP_ATTR_WLP_VER	= 0x2000, /* WLP Version */
+	WLP_ATTR_WSSID		= 0x2001, /* WSSID */
+	WLP_ATTR_WSS_NAME	= 0x2002, /* WSS Name */
+	WLP_ATTR_WSS_SEC_STAT	= 0x2003, /* WSS Secure Status */
+	WLP_ATTR_WSS_BCAST	= 0x2004, /* WSS Broadcast Address */
+	WLP_ATTR_WSS_M_KEY	= 0x2005, /* WSS Master Key */
+	WLP_ATTR_ACC_ENRL	= 0x2006, /* Accepting Enrollment */
+	WLP_ATTR_WSS_INFO	= 0x2007, /* WSS Information */
+	WLP_ATTR_WSS_SEL_MTHD	= 0x2008, /* WSS Selection Method */
+	WLP_ATTR_ASSC_MTHD_LIST	= 0x2009, /* Association Methods List */
+	WLP_ATTR_SEL_ASSC_MTHD	= 0x200A, /* Selected Association Method */
+	WLP_ATTR_ENRL_HASH_COMM	= 0x200B, /* Enrollee Hash Commitment */
+	WLP_ATTR_WSS_TAG	= 0x200C, /* WSS Tag */
+	WLP_ATTR_WSS_VIRT	= 0x200D, /* WSS Virtual EUI-48 */
+	WLP_ATTR_WLP_ASSC_ERR	= 0x200E, /* WLP Association Error */
+	WLP_ATTR_VNDR_EXT	= 0x200F, /* Vendor Extension */
+};
+
+/**
+ * WLP Category ID of primary/secondary device
+ * WLP Draft 0.99 [6.6.1.8 Table 12]
+ */
+enum wlp_dev_category_id {
+	WLP_DEV_CAT_COMPUTER = 1,
+	WLP_DEV_CAT_INPUT,
+	WLP_DEV_CAT_PRINT_SCAN_FAX_COPIER,
+	WLP_DEV_CAT_CAMERA,
+	WLP_DEV_CAT_STORAGE,
+	WLP_DEV_CAT_INFRASTRUCTURE,
+	WLP_DEV_CAT_DISPLAY,
+	WLP_DEV_CAT_MULTIM,
+	WLP_DEV_CAT_GAMING,
+	WLP_DEV_CAT_TELEPHONE,
+	WLP_DEV_CAT_OTHER = 65535,
+};
+
+/**
+ * WLP WSS selection method
+ * WLP Draft 0.99 [6.6.1.6 Table 10]
+ */
+enum wlp_wss_sel_mthd {
+	WLP_WSS_ENRL_SELECT = 1,	/* Enrollee selects */
+	WLP_WSS_REG_SELECT,		/* Registrar selects */
+};
+
+/**
+ * WLP association error values
+ * WLP Draft 0.99 [6.6.1.5 Table 9]
+ */
+enum wlp_assc_error {
+	WLP_ASSOC_ERROR_NONE,
+	WLP_ASSOC_ERROR_AUTH,		/* Authenticator Failure */
+	WLP_ASSOC_ERROR_ROGUE,		/* Rogue activity suspected */
+	WLP_ASSOC_ERROR_BUSY,		/* Device busy */
+	WLP_ASSOC_ERROR_LOCK,		/* Setup Locked */
+	WLP_ASSOC_ERROR_NOT_READY,	/* Registrar not ready */
+	WLP_ASSOC_ERROR_INV,		/* Invalid WSS selection */
+	WLP_ASSOC_ERROR_MSG_TIME,	/* Message timeout */
+	WLP_ASSOC_ERROR_ENR_TIME,	/* Enrollment session timeout */
+	WLP_ASSOC_ERROR_PW,		/* Device password invalid */
+	WLP_ASSOC_ERROR_VER,		/* Unsupported version */
+	WLP_ASSOC_ERROR_INT,		/* Internal error */
+	WLP_ASSOC_ERROR_UNDEF,		/* Undefined error */
+	WLP_ASSOC_ERROR_NUM,		/* Numeric comparison failure */
+	WLP_ASSOC_ERROR_WAIT,		/* Waiting for user input */
+};
+
+/**
+ * WLP Parameters
+ * WLP 0.99 [7.7]
+ */
+enum wlp_parameters {
+	WLP_PER_MSG_TIMEOUT = 15,	/* Seconds to wait for response to
+					   association message. */
+};
+
+/**
+ * WLP IE
+ *
+ * The WLP IE should be included in beacons by all devices.
+ *
+ * The driver can set only a few of the fields in this information element,
+ * most fields are managed by the device self. When the driver needs to set
+ * a field it will only provide values for the fields of interest, the rest
+ * will be filled with zeroes. The fields of interest are:
+ *
+ * Element ID
+ * Length
+ * Capabilities (only to include WSSID Hash list length)
+ * WSSID Hash List fields
+ *
+ * WLP 0.99 [6.7]
+ *
+ * Only the fields that will be used are detailed in this structure, rest
+ * are not detailed or marked as "notused".
+ */
+struct wlp_ie {
+	struct uwb_ie_hdr hdr;
+	__le16 capabilities;
+	__le16 cycle_param;
+	__le16 acw_anchor_addr;
+	u8 wssid_hash_list[];
+} __attribute__((packed));
+
+static inline int wlp_ie_hash_length(struct wlp_ie *ie)
+{
+	return (le16_to_cpu(ie->capabilities) >> 12) & 0xf;
+}
+
+static inline void wlp_ie_set_hash_length(struct wlp_ie *ie, int hash_length)
+{
+	u16 caps = le16_to_cpu(ie->capabilities);
+	caps = (caps & ~(0xf << 12)) | (hash_length << 12);
+	ie->capabilities = cpu_to_le16(caps);
+}
+
+/**
+ * WLP nonce
+ * WLP Draft 0.99 [6.6.1 Table 6]
+ *
+ * A 128-bit random number often used (E-SNonce1, E-SNonce2, Enrollee
+ * Nonce, Registrar Nonce, R-SNonce1, R-SNonce2). It is passed to HW so
+ * it is packed.
+ */
+struct wlp_nonce {
+	u8 data[16];
+} __attribute__((packed));
+
+/**
+ * WLP UUID
+ * WLP Draft 0.99 [6.6.1 Table 6]
+ *
+ * Universally Unique Identifier (UUID) encoded as an octet string in the
+ * order the octets are shown in string representation in RFC4122. A UUID
+ * is often used (UUID-E, UUID-R, WSSID). It is passed to HW so it is packed.
+ */
+struct wlp_uuid {
+	u8 data[16];
+} __attribute__((packed));
+
+
+/**
+ * Primary and secondary device type attributes
+ * WLP Draft 0.99 [6.6.1.8]
+ */
+struct wlp_dev_type {
+	enum wlp_dev_category_id category:16;
+	u8 OUI[3];
+	u8 OUIsubdiv;
+	__le16 subID;
+} __attribute__((packed));
+
+/**
+ * WLP frame header
+ * WLP Draft 0.99 [6.2]
+ */
+struct wlp_frame_hdr {
+	__le16 mux_hdr;			/* WLP_PROTOCOL_ID */
+	enum wlp_frame_type type:8;
+} __attribute__((packed));
+
+/**
+ * WLP attribute field header
+ * WLP Draft 0.99 [6.6.1]
+ *
+ * Header of each attribute found in an association frame
+ */
+struct wlp_attr_hdr {
+	__le16 type;
+	__le16 length;
+} __attribute__((packed));
+
+/**
+ * Device information commonly used together
+ *
+ * Each of these device information elements has a specified range in which it
+ * should fit (WLP 0.99 [Table 6]). This range provided in the spec does not
+ * include the termination null '\0' character (when used in the
+ * association protocol the attribute fields are accompanied
+ * with a "length" field so the full range from the spec can be used for
+ * the value). We thus allocate an extra byte to be able to store a string
+ * of max length with a terminating '\0'.
+ */
+struct wlp_device_info {
+	char name[33];
+	char model_name[33];
+	char manufacturer[65];
+	char model_nr[33];
+	char serial[33];
+	struct wlp_dev_type prim_dev_type;
+};
+
+/**
+ * Macros for the WLP attributes
+ *
+ * There are quite a few attributes (total is 43). The attribute layout can be
+ * in one of three categories: one value, an array, an enum forced to 8 bits.
+ * These macros help with their definitions.
+ */
+#define wlp_attr(type, name)						\
+struct wlp_attr_##name {						\
+	struct wlp_attr_hdr hdr;					\
+	type name;							\
+} __attribute__((packed));
+
+#define wlp_attr_array(type, name)					\
+struct wlp_attr_##name {						\
+	struct wlp_attr_hdr hdr;					\
+	type name[];							\
+} __attribute__((packed));
+
+/**
+ * WLP association attribute fields
+ * WLP Draft 0.99 [6.6.1 Table 6]
+ *
+ * Attributes appear in same order as the Table in the spec
+ * FIXME Does not define all attributes yet
+ */
+
+/* Device name: Friendly name of sending device */
+wlp_attr_array(u8, dev_name)
+
+/* Enrollee Nonce: Random number generated by enrollee for an enrollment
+ * session */
+wlp_attr(struct wlp_nonce, enonce)
+
+/* Manufacturer name: Name of manufacturer of the sending device */
+wlp_attr_array(u8, manufacturer)
+
+/* WLP Message Type */
+wlp_attr(u8, msg_type)
+
+/* WLP Model name: Model name of sending device */
+wlp_attr_array(u8, model_name)
+
+/* WLP Model number: Model number of sending device */
+wlp_attr_array(u8, model_nr)
+
+/* Registrar Nonce: Random number generated by registrar for an enrollment
+ * session */
+wlp_attr(struct wlp_nonce, rnonce)
+
+/* Serial number of device */
+wlp_attr_array(u8, serial)
+
+/* UUID of enrollee */
+wlp_attr(struct wlp_uuid, uuid_e)
+
+/* UUID of registrar */
+wlp_attr(struct wlp_uuid, uuid_r)
+
+/* WLP Primary device type */
+wlp_attr(struct wlp_dev_type, prim_dev_type)
+
+/* WLP Secondary device type */
+wlp_attr(struct wlp_dev_type, sec_dev_type)
+
+/* WLP protocol version */
+wlp_attr(u8, version)
+
+/* WLP service set identifier */
+wlp_attr(struct wlp_uuid, wssid)
+
+/* WLP WSS name */
+wlp_attr_array(u8, wss_name)
+
+/* WLP WSS Secure Status */
+wlp_attr(u8, wss_sec_status)
+
+/* WSS Broadcast Address */
+wlp_attr(struct uwb_mac_addr, wss_bcast)
+
+/* WLP Accepting Enrollment */
+wlp_attr(u8, accept_enrl)
+
+/**
+ * WSS information attributes
+ * WLP Draft 0.99 [6.6.3 Table 15]
+ */
+struct wlp_wss_info {
+	struct wlp_attr_wssid wssid;
+	struct wlp_attr_wss_name name;
+	struct wlp_attr_accept_enrl accept;
+	struct wlp_attr_wss_sec_status sec_stat;
+	struct wlp_attr_wss_bcast bcast;
+} __attribute__((packed));
+
+/* WLP WSS Information */
+wlp_attr_array(struct wlp_wss_info, wss_info)
+
+/* WLP WSS Selection method */
+wlp_attr(u8, wss_sel_mthd)
+
+/* WLP WSS tag */
+wlp_attr(u8, wss_tag)
+
+/* WSS Virtual Address */
+wlp_attr(struct uwb_mac_addr, wss_virt)
+
+/* WLP association error */
+wlp_attr(u8, wlp_assc_err)
+
+/**
+ * WLP standard and abbreviated frames
+ *
+ * WLP Draft 0.99 [6.3] and [6.4]
+ *
+ * The difference between the WLP standard frame and the WLP
+ * abbreviated frame is that the standard frame includes the src
+ * and dest addresses from the Ethernet header, the abbreviated frame does
+ * not.
+ * The src/dest (as well as the type/length and client data) are already
+ * defined as part of the Ethernet header, we do not do this here.
+ * From this perspective the standard and abbreviated frames appear the
+ * same - they will be treated differently though.
+ *
+ * The size of this header is also captured in WLP_DATA_HLEN to enable
+ * interfaces to prepare their headroom.
+ */
+struct wlp_frame_std_abbrv_hdr {
+	struct wlp_frame_hdr hdr;
+	u8 tag;
+} __attribute__((packed));
+
+/**
+ * WLP association frames
+ *
+ * WLP Draft 0.99 [6.6]
+ */
+struct wlp_frame_assoc {
+	struct wlp_frame_hdr hdr;
+	enum wlp_assoc_type type:8;
+	struct wlp_attr_version version;
+	struct wlp_attr_msg_type msg_type;
+	u8 attr[];
+} __attribute__((packed));
+
+/* Ethernet to dev address mapping */
+struct wlp_eda {
+	spinlock_t lock;
+	struct list_head cache;	/* Eth<->Dev Addr cache */
+};
+
+/**
+ * WSS information temporary storage
+ *
+ * This information is only stored temporarily during discovery. It should
+ * not be stored unless the device is enrolled in the advertised WSS. This
+ * is done mainly because we follow the letter of the spec in this regard.
+ * See WLP 0.99 [7.2.3].
+ * When the device does become enrolled in a WSS the WSS information will
+ * be stored as part of the more comprehensive struct wlp_wss.
+ */
+struct wlp_wss_tmp_info {
+	char name[WLP_WSS_NAME_SIZE];
+	u8 accept_enroll;
+	u8 sec_status;
+	struct uwb_mac_addr bcast;
+};
+
+struct wlp_wssid_e {
+	struct list_head node;
+	struct wlp_uuid wssid;
+	struct wlp_wss_tmp_info *info;
+};
+
+/**
+ * A cache entry of WLP neighborhood
+ *
+ * @node: head of list is wlp->neighbors
+ * @wssid: list of wssids of this neighbor, element is wlp_wssid_e
+ * @info:  temporary storage for information learned during discovery. This
+ *         storage is used together with the wssid_e temporary storage
+ *         during discovery.
+ */
+struct wlp_neighbor_e {
+	struct list_head node;
+	struct wlp_uuid uuid;
+	struct uwb_dev *uwb_dev;
+	struct list_head wssid; /* Elements are wlp_wssid_e */
+	struct wlp_device_info *info;
+};
+
+struct wlp;
+/**
+ * Information for an association session in progress.
+ *
+ * @exp_message: The type of the expected message. Both this message and a
+ *               F0 message (which can be sent in response to any
+ *               association frame) will be accepted as a valid message for
+ *               this session.
+ * @cb:          The function that will be called upon receipt of this
+ *               message.
+ * @cb_priv:     Private data of callback
+ * @data:        Data used in association process (always a sk_buff?)
+ * @neighbor:    Address of neighbor with which association session is in
+ *               progress.
+ */
+struct wlp_session {
+	enum wlp_assoc_type exp_message;
+	void (*cb)(struct wlp *);
+	void *cb_priv;
+	void *data;
+	struct uwb_dev_addr neighbor_addr;
+};
+
+/**
+ * WLP Service Set
+ *
+ * @mutex: used to protect entire WSS structure.
+ *
+ * @name: The WSS name is set to 65 bytes, 1 byte larger than the maximum
+ *        allowed by the WLP spec. This is to have a null terminated string
+ *        for display to the user. A maximum of 64 bytes will still be used
+ *        when placing the WSS name field in association frames.
+ *
+ * @accept_enroll: Accepting enrollment: Set to one if registrar is
+ *                 accepting enrollment in WSS, or zero otherwise.
+ *
+ * Global and local information for each WSS in which we are enrolled.
+ * WLP 0.99 Section 7.2.1 and Section 7.2.2
+ */
+struct wlp_wss {
+	struct mutex mutex;
+	struct kobject kobj;
+	/* Global properties. */
+	struct wlp_uuid wssid;
+	u8 hash;
+	char name[WLP_WSS_NAME_SIZE];
+	struct uwb_mac_addr bcast;
+	u8 secure_status:1;
+	u8 master_key[16];
+	/* Local properties. */
+	u8 tag;
+	struct uwb_mac_addr virtual_addr;
+	/* Extra */
+	u8 accept_enroll:1;
+	enum wlp_wss_state state;
+};
+
+/**
+ * WLP main structure
+ * @mutex: protect changes to WLP structure. We only allow changes to the
+ *         uuid, so currently this mutex only protects this field.
+ */
+struct wlp {
+	struct mutex mutex;
+	struct uwb_rc *rc;		/* UWB radio controller */
+	struct uwb_pal pal;
+	struct wlp_eda eda;
+	struct wlp_uuid uuid;
+	struct wlp_session *session;
+	struct wlp_wss wss;
+	struct mutex nbmutex; /* Neighbor mutex protects neighbors list */
+	struct list_head neighbors; /* Elements are wlp_neighbor_e */
+	struct uwb_notifs_handler uwb_notifs_handler;
+	struct wlp_device_info *dev_info;
+	void (*fill_device_info)(struct wlp *wlp, struct wlp_device_info *info);
+	int (*xmit_frame)(struct wlp *, struct sk_buff *,
+			  struct uwb_dev_addr *);
+	void (*stop_queue)(struct wlp *);
+	void (*start_queue)(struct wlp *);
+};
+
+/* sysfs */
+
+
+struct wlp_wss_attribute {
+	struct attribute attr;
+	ssize_t (*show)(struct wlp_wss *wss, char *buf);
+	ssize_t (*store)(struct wlp_wss *wss, const char *buf, size_t count);
+};
+
+#define WSS_ATTR(_name, _mode, _show, _store) \
+static struct wlp_wss_attribute wss_attr_##_name = __ATTR(_name, _mode,	\
+							  _show, _store)
+
+extern int wlp_setup(struct wlp *, struct uwb_rc *);
+extern void wlp_remove(struct wlp *);
+extern ssize_t wlp_neighborhood_show(struct wlp *, char *);
+extern int wlp_wss_setup(struct net_device *, struct wlp_wss *);
+extern void wlp_wss_remove(struct wlp_wss *);
+extern ssize_t wlp_wss_activate_show(struct wlp_wss *, char *);
+extern ssize_t wlp_wss_activate_store(struct wlp_wss *, const char *, size_t);
+extern ssize_t wlp_eda_show(struct wlp *, char *);
+extern ssize_t wlp_eda_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_uuid_show(struct wlp *, char *);
+extern ssize_t wlp_uuid_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_dev_name_show(struct wlp *, char *);
+extern ssize_t wlp_dev_name_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_dev_manufacturer_show(struct wlp *, char *);
+extern ssize_t wlp_dev_manufacturer_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_dev_model_name_show(struct wlp *, char *);
+extern ssize_t wlp_dev_model_name_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_dev_model_nr_show(struct wlp *, char *);
+extern ssize_t wlp_dev_model_nr_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_dev_serial_show(struct wlp *, char *);
+extern ssize_t wlp_dev_serial_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_dev_prim_category_show(struct wlp *, char *);
+extern ssize_t wlp_dev_prim_category_store(struct wlp *, const char *,
+					   size_t);
+extern ssize_t wlp_dev_prim_OUI_show(struct wlp *, char *);
+extern ssize_t wlp_dev_prim_OUI_store(struct wlp *, const char *, size_t);
+extern ssize_t wlp_dev_prim_OUI_sub_show(struct wlp *, char *);
+extern ssize_t wlp_dev_prim_OUI_sub_store(struct wlp *, const char *,
+					  size_t);
+extern ssize_t wlp_dev_prim_subcat_show(struct wlp *, char *);
+extern ssize_t wlp_dev_prim_subcat_store(struct wlp *, const char *,
+					 size_t);
+extern int wlp_receive_frame(struct device *, struct wlp *, struct sk_buff *,
+			     struct uwb_dev_addr *);
+extern int wlp_prepare_tx_frame(struct device *, struct wlp *,
+			       struct sk_buff *, struct uwb_dev_addr *);
+void wlp_reset_all(struct wlp *wlp);
+
+/**
+ * Initialize WSS
+ */
+static inline
+void wlp_wss_init(struct wlp_wss *wss)
+{
+	mutex_init(&wss->mutex);
+}
+
+static inline
+void wlp_init(struct wlp *wlp)
+{
+	INIT_LIST_HEAD(&wlp->neighbors);
+	mutex_init(&wlp->mutex);
+	mutex_init(&wlp->nbmutex);
+	wlp_wss_init(&wlp->wss);
+}
+
+
+#endif /* #ifndef __LINUX__WLP_H_ */
-- 
GitLab


From 183b9b592a622a7719ee38e275fd7ff3aaf74d0d Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:06 +0100
Subject: [PATCH 0156/2224] uwb: add the UWB stack (core files)

UWB device and radio controller device and event management.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/driver.c       | 142 +++++++++++
 drivers/uwb/lc-dev.c       | 492 ++++++++++++++++++++++++++++++++++++
 drivers/uwb/lc-rc.c        | 501 +++++++++++++++++++++++++++++++++++++
 drivers/uwb/pal.c          |  71 ++++++
 drivers/uwb/uwb-internal.h | 306 ++++++++++++++++++++++
 drivers/uwb/uwbd.c         | 427 +++++++++++++++++++++++++++++++
 6 files changed, 1939 insertions(+)
 create mode 100644 drivers/uwb/driver.c
 create mode 100644 drivers/uwb/lc-dev.c
 create mode 100644 drivers/uwb/lc-rc.c
 create mode 100644 drivers/uwb/pal.c
 create mode 100644 drivers/uwb/uwb-internal.h
 create mode 100644 drivers/uwb/uwbd.c

diff --git a/drivers/uwb/driver.c b/drivers/uwb/driver.c
new file mode 100644
index 00000000000..7eee8e40830
--- /dev/null
+++ b/drivers/uwb/driver.c
@@ -0,0 +1,142 @@
+/*
+ * Ultra Wide Band
+ * Driver initialization, etc
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ *
+ * Life cycle: FIXME: explain
+ *
+ *  UWB radio controller:
+ *
+ *    1. alloc a uwb_rc, zero it
+ *    2. call uwb_rc_init() on it to set it up + ops (won't do any
+ *       kind of allocation)
+ *    3. register (now it is owned by the UWB stack--deregister before
+ *       freeing/destroying).
+ *    4. It lives on it's own now (UWB stack handles)--when it
+ *       disconnects, call unregister()
+ *    5. free it.
+ *
+ *    Make sure you have a reference to the uwb_rc before calling
+ *    any of the UWB API functions.
+ *
+ * TODO:
+ *
+ * 1. Locking and life cycle management is crappy still. All entry
+ *    points to the UWB HCD API assume you have a reference on the
+ *    uwb_rc structure and that it won't go away. They mutex lock it
+ *    before doing anything.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/kdev_t.h>
+#include <linux/random.h>
+#include <linux/uwb/debug.h>
+#include "uwb-internal.h"
+
+
+/* UWB stack attributes (or 'global' constants) */
+
+
+/**
+ * If a beacon dissapears for longer than this, then we consider the
+ * device who was represented by that beacon to be gone.
+ *
+ * ECMA-368[17.2.3, last para] establishes that a device must not
+ * consider a device to be its neighbour if he doesn't receive a beacon
+ * for more than mMaxLostBeacons. mMaxLostBeacons is defined in
+ * ECMA-368[17.16] as 3; because we can get only one beacon per
+ * superframe, that'd be 3 * 65ms = 195 ~ 200 ms. Let's give it time
+ * for jitter and stuff and make it 500 ms.
+ */
+unsigned long beacon_timeout_ms = 500;
+
+static
+ssize_t beacon_timeout_ms_show(struct class *class, char *buf)
+{
+	return scnprintf(buf, PAGE_SIZE, "%lu\n", beacon_timeout_ms);
+}
+
+static
+ssize_t beacon_timeout_ms_store(struct class *class,
+				const char *buf, size_t size)
+{
+	unsigned long bt;
+	ssize_t result;
+	result = sscanf(buf, "%lu", &bt);
+	if (result != 1)
+		return -EINVAL;
+	beacon_timeout_ms = bt;
+	return size;
+}
+
+static struct class_attribute uwb_class_attrs[] = {
+	__ATTR(beacon_timeout_ms, S_IWUSR | S_IRUGO,
+	       beacon_timeout_ms_show, beacon_timeout_ms_store),
+	__ATTR_NULL,
+};
+
+/** Device model classes */
+struct class uwb_rc_class = {
+	.name        = "uwb_rc",
+	.class_attrs = uwb_class_attrs,
+};
+
+
+static int __init uwb_subsys_init(void)
+{
+	int result = 0;
+
+	result = uwb_est_create();
+	if (result < 0) {
+		printk(KERN_ERR "uwb: Can't initialize EST subsystem\n");
+		goto error_est_init;
+	}
+
+	result = class_register(&uwb_rc_class);
+	if (result < 0)
+		goto error_uwb_rc_class_register;
+	uwbd_start();
+	return 0;
+
+error_uwb_rc_class_register:
+	uwb_est_destroy();
+error_est_init:
+	return result;
+}
+module_init(uwb_subsys_init);
+
+static void __exit uwb_subsys_exit(void)
+{
+	uwbd_stop();
+	class_unregister(&uwb_rc_class);
+	uwb_est_destroy();
+	return;
+}
+module_exit(uwb_subsys_exit);
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Ultra Wide Band core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/uwb/lc-dev.c b/drivers/uwb/lc-dev.c
new file mode 100644
index 00000000000..a6cb8ad731a
--- /dev/null
+++ b/drivers/uwb/lc-dev.c
@@ -0,0 +1,492 @@
+/*
+ * Ultra Wide Band
+ * Life cycle of devices
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/kdev_t.h>
+#include <linux/random.h>
+#include "uwb-internal.h"
+
+#define D_LOCAL 1
+#include <linux/uwb/debug.h>
+
+
+/* We initialize addresses to 0xff (invalid, as it is bcast) */
+static inline void uwb_dev_addr_init(struct uwb_dev_addr *addr)
+{
+	memset(&addr->data, 0xff, sizeof(addr->data));
+}
+
+static inline void uwb_mac_addr_init(struct uwb_mac_addr *addr)
+{
+	memset(&addr->data, 0xff, sizeof(addr->data));
+}
+
+/* @returns !0 if a device @addr is a broadcast address */
+static inline int uwb_dev_addr_bcast(const struct uwb_dev_addr *addr)
+{
+	static const struct uwb_dev_addr bcast = { .data = { 0xff, 0xff } };
+	return !uwb_dev_addr_cmp(addr, &bcast);
+}
+
+/*
+ * Add callback @new to be called when an event occurs in @rc.
+ */
+int uwb_notifs_register(struct uwb_rc *rc, struct uwb_notifs_handler *new)
+{
+	if (mutex_lock_interruptible(&rc->notifs_chain.mutex))
+		return -ERESTARTSYS;
+	list_add(&new->list_node, &rc->notifs_chain.list);
+	mutex_unlock(&rc->notifs_chain.mutex);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uwb_notifs_register);
+
+/*
+ * Remove event handler (callback)
+ */
+int uwb_notifs_deregister(struct uwb_rc *rc, struct uwb_notifs_handler *entry)
+{
+	if (mutex_lock_interruptible(&rc->notifs_chain.mutex))
+		return -ERESTARTSYS;
+	list_del(&entry->list_node);
+	mutex_unlock(&rc->notifs_chain.mutex);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uwb_notifs_deregister);
+
+/*
+ * Notify all event handlers of a given event on @rc
+ *
+ * We are called with a valid reference to the device, or NULL if the
+ * event is not for a particular event (e.g., a BG join event).
+ */
+void uwb_notify(struct uwb_rc *rc, struct uwb_dev *uwb_dev, enum uwb_notifs event)
+{
+	struct uwb_notifs_handler *handler;
+	if (mutex_lock_interruptible(&rc->notifs_chain.mutex))
+		return;
+	if (!list_empty(&rc->notifs_chain.list)) {
+		list_for_each_entry(handler, &rc->notifs_chain.list, list_node) {
+			handler->cb(handler->data, uwb_dev, event);
+		}
+	}
+	mutex_unlock(&rc->notifs_chain.mutex);
+}
+
+/*
+ * Release the backing device of a uwb_dev that has been dynamically allocated.
+ */
+static void uwb_dev_sys_release(struct device *dev)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+
+	d_fnstart(4, NULL, "(dev %p uwb_dev %p)\n", dev, uwb_dev);
+	uwb_bce_put(uwb_dev->bce);
+	d_printf(0, &uwb_dev->dev, "uwb_dev %p freed\n", uwb_dev);
+	memset(uwb_dev, 0x69, sizeof(*uwb_dev));
+	kfree(uwb_dev);
+	d_fnend(4, NULL, "(dev %p uwb_dev %p) = void\n", dev, uwb_dev);
+}
+
+/*
+ * Initialize a UWB device instance
+ *
+ * Alloc, zero and call this function.
+ */
+void uwb_dev_init(struct uwb_dev *uwb_dev)
+{
+	mutex_init(&uwb_dev->mutex);
+	device_initialize(&uwb_dev->dev);
+	uwb_dev->dev.release = uwb_dev_sys_release;
+	uwb_dev_addr_init(&uwb_dev->dev_addr);
+	uwb_mac_addr_init(&uwb_dev->mac_addr);
+	bitmap_fill(uwb_dev->streams, UWB_NUM_GLOBAL_STREAMS);
+}
+
+static ssize_t uwb_dev_EUI_48_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	char addr[UWB_ADDR_STRSIZE];
+
+	uwb_mac_addr_print(addr, sizeof(addr), &uwb_dev->mac_addr);
+	return sprintf(buf, "%s\n", addr);
+}
+static DEVICE_ATTR(EUI_48, S_IRUGO, uwb_dev_EUI_48_show, NULL);
+
+static ssize_t uwb_dev_DevAddr_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	char addr[UWB_ADDR_STRSIZE];
+
+	uwb_dev_addr_print(addr, sizeof(addr), &uwb_dev->dev_addr);
+	return sprintf(buf, "%s\n", addr);
+}
+static DEVICE_ATTR(DevAddr, S_IRUGO, uwb_dev_DevAddr_show, NULL);
+
+/*
+ * Show the BPST of this device.
+ *
+ * Calculated from the receive time of the device's beacon and it's
+ * slot number.
+ */
+static ssize_t uwb_dev_BPST_show(struct device *dev,
+				 struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_beca_e *bce;
+	struct uwb_beacon_frame *bf;
+	u16 bpst;
+
+	bce = uwb_dev->bce;
+	mutex_lock(&bce->mutex);
+	bf = (struct uwb_beacon_frame *)bce->be->BeaconInfo;
+	bpst = bce->be->wBPSTOffset
+		- (u16)(bf->Beacon_Slot_Number * UWB_BEACON_SLOT_LENGTH_US);
+	mutex_unlock(&bce->mutex);
+
+	return sprintf(buf, "%d\n", bpst);
+}
+static DEVICE_ATTR(BPST, S_IRUGO, uwb_dev_BPST_show, NULL);
+
+/*
+ * Show the IEs a device is beaconing
+ *
+ * We need to access the beacon cache, so we just lock it really
+ * quick, print the IEs and unlock.
+ *
+ * We have a reference on the cache entry, so that should be
+ * quite safe.
+ */
+static ssize_t uwb_dev_IEs_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+
+	return uwb_bce_print_IEs(uwb_dev, uwb_dev->bce, buf, PAGE_SIZE);
+}
+static DEVICE_ATTR(IEs, S_IRUGO | S_IWUSR, uwb_dev_IEs_show, NULL);
+
+static ssize_t uwb_dev_LQE_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_beca_e *bce = uwb_dev->bce;
+	size_t result;
+
+	mutex_lock(&bce->mutex);
+	result = stats_show(&uwb_dev->bce->lqe_stats, buf);
+	mutex_unlock(&bce->mutex);
+	return result;
+}
+
+static ssize_t uwb_dev_LQE_store(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf, size_t size)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_beca_e *bce = uwb_dev->bce;
+	ssize_t result;
+
+	mutex_lock(&bce->mutex);
+	result = stats_store(&uwb_dev->bce->lqe_stats, buf, size);
+	mutex_unlock(&bce->mutex);
+	return result;
+}
+static DEVICE_ATTR(LQE, S_IRUGO | S_IWUSR, uwb_dev_LQE_show, uwb_dev_LQE_store);
+
+static ssize_t uwb_dev_RSSI_show(struct device *dev,
+				 struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_beca_e *bce = uwb_dev->bce;
+	size_t result;
+
+	mutex_lock(&bce->mutex);
+	result = stats_show(&uwb_dev->bce->rssi_stats, buf);
+	mutex_unlock(&bce->mutex);
+	return result;
+}
+
+static ssize_t uwb_dev_RSSI_store(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t size)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_beca_e *bce = uwb_dev->bce;
+	ssize_t result;
+
+	mutex_lock(&bce->mutex);
+	result = stats_store(&uwb_dev->bce->rssi_stats, buf, size);
+	mutex_unlock(&bce->mutex);
+	return result;
+}
+static DEVICE_ATTR(RSSI, S_IRUGO | S_IWUSR, uwb_dev_RSSI_show, uwb_dev_RSSI_store);
+
+
+static struct attribute *dev_attrs[] = {
+	&dev_attr_EUI_48.attr,
+	&dev_attr_DevAddr.attr,
+	&dev_attr_BPST.attr,
+	&dev_attr_IEs.attr,
+	&dev_attr_LQE.attr,
+	&dev_attr_RSSI.attr,
+	NULL,
+};
+
+static struct attribute_group dev_attr_group = {
+	.attrs = dev_attrs,
+};
+
+static struct attribute_group *groups[] = {
+	&dev_attr_group,
+	NULL,
+};
+
+/**
+ * Device SYSFS registration
+ *
+ *
+ */
+static int __uwb_dev_sys_add(struct uwb_dev *uwb_dev, struct device *parent_dev)
+{
+	int result;
+	struct device *dev;
+
+	d_fnstart(4, NULL, "(uwb_dev %p parent_dev %p)\n", uwb_dev, parent_dev);
+	BUG_ON(parent_dev == NULL);
+
+	dev = &uwb_dev->dev;
+	/* Device sysfs files are only useful for neighbor devices not
+	   local radio controllers. */
+	if (&uwb_dev->rc->uwb_dev != uwb_dev)
+		dev->groups = groups;
+	dev->parent = parent_dev;
+	dev_set_drvdata(dev, uwb_dev);
+
+	result = device_add(dev);
+	d_fnend(4, NULL, "(uwb_dev %p parent_dev %p) = %d\n", uwb_dev, parent_dev, result);
+	return result;
+}
+
+
+static void __uwb_dev_sys_rm(struct uwb_dev *uwb_dev)
+{
+	d_fnstart(4, NULL, "(uwb_dev %p)\n", uwb_dev);
+	dev_set_drvdata(&uwb_dev->dev, NULL);
+	device_del(&uwb_dev->dev);
+	d_fnend(4, NULL, "(uwb_dev %p) = void\n", uwb_dev);
+}
+
+
+/**
+ * Register and initialize a new UWB device
+ *
+ * Did you call uwb_dev_init() on it?
+ *
+ * @parent_rc: is the parent radio controller who has the link to the
+ *             device. When registering the UWB device that is a UWB
+ *             Radio Controller, we point back to it.
+ *
+ * If registering the device that is part of a radio, caller has set
+ * rc->uwb_dev->dev. Otherwise it is to be left NULL--a new one will
+ * be allocated.
+ */
+int uwb_dev_add(struct uwb_dev *uwb_dev, struct device *parent_dev,
+		struct uwb_rc *parent_rc)
+{
+	int result;
+	struct device *dev;
+
+	BUG_ON(uwb_dev == NULL);
+	BUG_ON(parent_dev == NULL);
+	BUG_ON(parent_rc == NULL);
+
+	mutex_lock(&uwb_dev->mutex);
+	dev = &uwb_dev->dev;
+	uwb_dev->rc = parent_rc;
+	result = __uwb_dev_sys_add(uwb_dev, parent_dev);
+	if (result < 0)
+		printk(KERN_ERR "UWB: unable to register dev %s with sysfs: %d\n",
+		       dev_name(dev), result);
+	mutex_unlock(&uwb_dev->mutex);
+	return result;
+}
+
+
+void uwb_dev_rm(struct uwb_dev *uwb_dev)
+{
+	mutex_lock(&uwb_dev->mutex);
+	__uwb_dev_sys_rm(uwb_dev);
+	mutex_unlock(&uwb_dev->mutex);
+}
+
+
+static
+int __uwb_dev_try_get(struct device *dev, void *__target_uwb_dev)
+{
+	struct uwb_dev *target_uwb_dev = __target_uwb_dev;
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	if (uwb_dev == target_uwb_dev) {
+		uwb_dev_get(uwb_dev);
+		return 1;
+	} else
+		return 0;
+}
+
+
+/**
+ * Given a UWB device descriptor, validate and refcount it
+ *
+ * @returns NULL if the device does not exist or is quiescing; the ptr to
+ *               it otherwise.
+ */
+struct uwb_dev *uwb_dev_try_get(struct uwb_rc *rc, struct uwb_dev *uwb_dev)
+{
+	if (uwb_dev_for_each(rc, __uwb_dev_try_get, uwb_dev))
+		return uwb_dev;
+	else
+		return NULL;
+}
+EXPORT_SYMBOL_GPL(uwb_dev_try_get);
+
+
+/**
+ * Remove a device from the system [grunt for other functions]
+ */
+int __uwb_dev_offair(struct uwb_dev *uwb_dev, struct uwb_rc *rc)
+{
+	struct device *dev = &uwb_dev->dev;
+	char macbuf[UWB_ADDR_STRSIZE], devbuf[UWB_ADDR_STRSIZE];
+
+	d_fnstart(3, NULL, "(dev %p [uwb_dev %p], uwb_rc %p)\n", dev, uwb_dev, rc);
+	uwb_mac_addr_print(macbuf, sizeof(macbuf), &uwb_dev->mac_addr);
+	uwb_dev_addr_print(devbuf, sizeof(devbuf), &uwb_dev->dev_addr);
+	dev_info(dev, "uwb device (mac %s dev %s) disconnected from %s %s\n",
+		 macbuf, devbuf,
+		 rc ? rc->uwb_dev.dev.parent->bus->name : "n/a",
+		 rc ? dev_name(rc->uwb_dev.dev.parent) : "");
+	uwb_dev_rm(uwb_dev);
+	uwb_dev_put(uwb_dev);	/* for the creation in _onair() */
+	d_fnend(3, NULL, "(dev %p [uwb_dev %p], uwb_rc %p) = 0\n", dev, uwb_dev, rc);
+	return 0;
+}
+
+
+/**
+ * A device went off the air, clean up after it!
+ *
+ * This is called by the UWB Daemon (through the beacon purge function
+ * uwb_bcn_cache_purge) when it is detected that a device has been in
+ * radio silence for a while.
+ *
+ * If this device is actually a local radio controller we don't need
+ * to go through the offair process, as it is not registered as that.
+ *
+ * NOTE: uwb_bcn_cache.mutex is held!
+ */
+void uwbd_dev_offair(struct uwb_beca_e *bce)
+{
+	struct uwb_dev *uwb_dev;
+
+	uwb_dev = bce->uwb_dev;
+	if (uwb_dev) {
+		uwb_notify(uwb_dev->rc, uwb_dev, UWB_NOTIF_OFFAIR);
+		__uwb_dev_offair(uwb_dev, uwb_dev->rc);
+	}
+}
+
+
+/**
+ * A device went on the air, start it up!
+ *
+ * This is called by the UWB Daemon when it is detected that a device
+ * has popped up in the radio range of the radio controller.
+ *
+ * It will just create the freaking device, register the beacon and
+ * stuff and yatla, done.
+ *
+ *
+ * NOTE: uwb_beca.mutex is held, bce->mutex is held
+ */
+void uwbd_dev_onair(struct uwb_rc *rc, struct uwb_beca_e *bce)
+{
+	int result;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_dev *uwb_dev;
+	char macbuf[UWB_ADDR_STRSIZE], devbuf[UWB_ADDR_STRSIZE];
+
+	uwb_mac_addr_print(macbuf, sizeof(macbuf), bce->mac_addr);
+	uwb_dev_addr_print(devbuf, sizeof(devbuf), &bce->dev_addr);
+	uwb_dev = kcalloc(1, sizeof(*uwb_dev), GFP_KERNEL);
+	if (uwb_dev == NULL) {
+		dev_err(dev, "new device %s: Cannot allocate memory\n",
+			macbuf);
+		return;
+	}
+	uwb_dev_init(uwb_dev);		/* This sets refcnt to one, we own it */
+	uwb_dev->mac_addr = *bce->mac_addr;
+	uwb_dev->dev_addr = bce->dev_addr;
+	dev_set_name(&uwb_dev->dev, macbuf);
+	result = uwb_dev_add(uwb_dev, &rc->uwb_dev.dev, rc);
+	if (result < 0) {
+		dev_err(dev, "new device %s: cannot instantiate device\n",
+			macbuf);
+		goto error_dev_add;
+	}
+	/* plug the beacon cache */
+	bce->uwb_dev = uwb_dev;
+	uwb_dev->bce = bce;
+	uwb_bce_get(bce);		/* released in uwb_dev_sys_release() */
+	dev_info(dev, "uwb device (mac %s dev %s) connected to %s %s\n",
+		 macbuf, devbuf, rc->uwb_dev.dev.parent->bus->name,
+		 dev_name(rc->uwb_dev.dev.parent));
+	uwb_notify(rc, uwb_dev, UWB_NOTIF_ONAIR);
+	return;
+
+error_dev_add:
+	kfree(uwb_dev);
+	return;
+}
+
+/**
+ * Iterate over the list of UWB devices, calling a @function on each
+ *
+ * See docs for bus_for_each()....
+ *
+ * @rc:       radio controller for the devices.
+ * @function: function to call.
+ * @priv:     data to pass to @function.
+ * @returns:  0 if no invocation of function() returned a value
+ *            different to zero. That value otherwise.
+ */
+int uwb_dev_for_each(struct uwb_rc *rc, uwb_dev_for_each_f function, void *priv)
+{
+	return device_for_each_child(&rc->uwb_dev.dev, priv, function);
+}
+EXPORT_SYMBOL_GPL(uwb_dev_for_each);
diff --git a/drivers/uwb/lc-rc.c b/drivers/uwb/lc-rc.c
new file mode 100644
index 00000000000..a21c96bff23
--- /dev/null
+++ b/drivers/uwb/lc-rc.c
@@ -0,0 +1,501 @@
+/*
+ * Ultra Wide Band
+ * Life cycle of radio controllers
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ *
+ * A UWB radio controller is also a UWB device, so it embeds one...
+ *
+ * List of RCs comes from the 'struct class uwb_rc_class'.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/random.h>
+#include <linux/kdev_t.h>
+#include <linux/etherdevice.h>
+#include <linux/usb.h>
+
+#define D_LOCAL 1
+#include <linux/uwb/debug.h>
+#include "uwb-internal.h"
+
+static int uwb_rc_index_match(struct device *dev, void *data)
+{
+	int *index = data;
+	struct uwb_rc *rc = dev_get_drvdata(dev);
+
+	if (rc->index == *index)
+		return 1;
+	return 0;
+}
+
+static struct uwb_rc *uwb_rc_find_by_index(int index)
+{
+	struct device *dev;
+	struct uwb_rc *rc = NULL;
+
+	dev = class_find_device(&uwb_rc_class, NULL, &index, uwb_rc_index_match);
+	if (dev)
+		rc = dev_get_drvdata(dev);
+	return rc;
+}
+
+static int uwb_rc_new_index(void)
+{
+	int index = 0;
+
+	for (;;) {
+		if (!uwb_rc_find_by_index(index))
+			return index;
+		if (++index < 0)
+			index = 0;
+	}
+}
+
+/**
+ * Release the backing device of a uwb_rc that has been dynamically allocated.
+ */
+static void uwb_rc_sys_release(struct device *dev)
+{
+	struct uwb_dev *uwb_dev = container_of(dev, struct uwb_dev, dev);
+	struct uwb_rc *rc = container_of(uwb_dev, struct uwb_rc, uwb_dev);
+
+	uwb_rc_neh_destroy(rc);
+	uwb_rc_ie_release(rc);
+	d_printf(1, dev, "freed uwb_rc %p\n", rc);
+	kfree(rc);
+}
+
+
+void uwb_rc_init(struct uwb_rc *rc)
+{
+	struct uwb_dev *uwb_dev = &rc->uwb_dev;
+
+	uwb_dev_init(uwb_dev);
+	rc->uwb_dev.dev.class = &uwb_rc_class;
+	rc->uwb_dev.dev.release = uwb_rc_sys_release;
+	uwb_rc_neh_create(rc);
+	rc->beaconing = -1;
+	rc->scan_type = UWB_SCAN_DISABLED;
+	INIT_LIST_HEAD(&rc->notifs_chain.list);
+	mutex_init(&rc->notifs_chain.mutex);
+	uwb_drp_avail_init(rc);
+	uwb_rc_ie_init(rc);
+	uwb_rsv_init(rc);
+	uwb_rc_pal_init(rc);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_init);
+
+
+struct uwb_rc *uwb_rc_alloc(void)
+{
+	struct uwb_rc *rc;
+	rc = kzalloc(sizeof(*rc), GFP_KERNEL);
+	if (rc == NULL)
+		return NULL;
+	uwb_rc_init(rc);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_alloc);
+
+static struct attribute *rc_attrs[] = {
+		&dev_attr_mac_address.attr,
+		&dev_attr_scan.attr,
+		&dev_attr_beacon.attr,
+		NULL,
+};
+
+static struct attribute_group rc_attr_group = {
+	.attrs = rc_attrs,
+};
+
+/*
+ * Registration of sysfs specific stuff
+ */
+static int uwb_rc_sys_add(struct uwb_rc *rc)
+{
+	return sysfs_create_group(&rc->uwb_dev.dev.kobj, &rc_attr_group);
+}
+
+
+static void __uwb_rc_sys_rm(struct uwb_rc *rc)
+{
+	sysfs_remove_group(&rc->uwb_dev.dev.kobj, &rc_attr_group);
+}
+
+/**
+ * uwb_rc_mac_addr_setup - get an RC's EUI-48 address or set it
+ * @rc:  the radio controller.
+ *
+ * If the EUI-48 address is 00:00:00:00:00:00 or FF:FF:FF:FF:FF:FF
+ * then a random locally administered EUI-48 is generated and set on
+ * the device.  The probability of address collisions is sufficiently
+ * unlikely (1/2^40 = 9.1e-13) that they're not checked for.
+ */
+static
+int uwb_rc_mac_addr_setup(struct uwb_rc *rc)
+{
+	int result;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_dev *uwb_dev = &rc->uwb_dev;
+	char devname[UWB_ADDR_STRSIZE];
+	struct uwb_mac_addr addr;
+
+	result = uwb_rc_mac_addr_get(rc, &addr);
+	if (result < 0) {
+		dev_err(dev, "cannot retrieve UWB EUI-48 address: %d\n", result);
+		return result;
+	}
+
+	if (uwb_mac_addr_unset(&addr) || uwb_mac_addr_bcast(&addr)) {
+		addr.data[0] = 0x02; /* locally adminstered and unicast */
+		get_random_bytes(&addr.data[1], sizeof(addr.data)-1);
+
+		result = uwb_rc_mac_addr_set(rc, &addr);
+		if (result < 0) {
+			uwb_mac_addr_print(devname, sizeof(devname), &addr);
+			dev_err(dev, "cannot set EUI-48 address %s: %d\n",
+				devname, result);
+			return result;
+		}
+	}
+	uwb_dev->mac_addr = addr;
+	return 0;
+}
+
+
+
+static int uwb_rc_setup(struct uwb_rc *rc)
+{
+	int result;
+	struct device *dev = &rc->uwb_dev.dev;
+
+	result = uwb_rc_reset(rc);
+	if (result < 0) {
+		dev_err(dev, "cannot reset UWB radio: %d\n", result);
+		goto error;
+	}
+	result = uwb_rc_mac_addr_setup(rc);
+	if (result < 0) {
+		dev_err(dev, "cannot setup UWB MAC address: %d\n", result);
+		goto error;
+	}
+	result = uwb_rc_dev_addr_assign(rc);
+	if (result < 0) {
+		dev_err(dev, "cannot assign UWB DevAddr: %d\n", result);
+		goto error;
+	}
+	result = uwb_rc_ie_setup(rc);
+	if (result < 0) {
+		dev_err(dev, "cannot setup IE subsystem: %d\n", result);
+		goto error_ie_setup;
+	}
+	result = uwb_rc_set_identification_ie(rc);
+	if (result < 0) {
+		dev_err(dev, "cannot set Identification IE: %d\n",
+			result);
+		goto error_set_id_ie;
+	}
+	result = uwb_rsv_setup(rc);
+	if (result < 0) {
+		dev_err(dev, "cannot setup reservation subsystem: %d\n", result);
+		goto error_rsv_setup;
+	}
+	uwb_dbg_add_rc(rc);
+	return 0;
+
+error_rsv_setup:
+	uwb_rc_ie_release(rc);
+error_ie_setup:
+error:
+	return result;
+}
+
+
+/**
+ * Register a new UWB radio controller
+ *
+ * Did you call uwb_rc_init() on your rc?
+ *
+ * We assume that this is being called with a > 0 refcount on
+ * it [through ops->{get|put}_device(). We'll take our own, though.
+ *
+ * @parent_dev is our real device, the one that provides the actual UWB device
+ */
+int uwb_rc_add(struct uwb_rc *rc, struct device *parent_dev, void *priv)
+{
+	int result;
+	struct device *dev;
+	char macbuf[UWB_ADDR_STRSIZE], devbuf[UWB_ADDR_STRSIZE];
+
+	rc->index = uwb_rc_new_index();
+
+	dev = &rc->uwb_dev.dev;
+	dev_set_name(dev, "uwb%d", rc->index);
+
+	rc->priv = priv;
+
+	result = rc->start(rc);
+	if (result < 0)
+		goto error_rc_start;
+
+	result = uwb_rc_setup(rc);
+	if (result < 0) {
+		dev_err(dev, "cannot setup UWB radio controller: %d\n", result);
+		goto error_rc_setup;
+	}
+
+	result = uwb_dev_add(&rc->uwb_dev, parent_dev, rc);
+	if (result < 0 && result != -EADDRNOTAVAIL)
+		goto error_dev_add;
+
+	result = uwb_rc_sys_add(rc);
+	if (result < 0) {
+		dev_err(parent_dev, "cannot register UWB radio controller "
+			"dev attributes: %d\n", result);
+		goto error_sys_add;
+	}
+
+	uwb_mac_addr_print(macbuf, sizeof(macbuf), &rc->uwb_dev.mac_addr);
+	uwb_dev_addr_print(devbuf, sizeof(devbuf), &rc->uwb_dev.dev_addr);
+	dev_info(dev,
+		 "new uwb radio controller (mac %s dev %s) on %s %s\n",
+		 macbuf, devbuf, parent_dev->bus->name, dev_name(parent_dev));
+	rc->ready = 1;
+	return 0;
+
+error_sys_add:
+	uwb_dev_rm(&rc->uwb_dev);
+error_dev_add:
+error_rc_setup:
+	rc->stop(rc);
+	uwbd_flush(rc);
+error_rc_start:
+	return result;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_add);
+
+
+static int uwb_dev_offair_helper(struct device *dev, void *priv)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+
+	return __uwb_dev_offair(uwb_dev, uwb_dev->rc);
+}
+
+/*
+ * Remove a Radio Controller; stop beaconing/scanning, disconnect all children
+ */
+void uwb_rc_rm(struct uwb_rc *rc)
+{
+	rc->ready = 0;
+
+	uwb_dbg_del_rc(rc);
+	uwb_rsv_cleanup(rc);
+	uwb_rc_ie_rm(rc, UWB_IDENTIFICATION_IE);
+	if (rc->beaconing >= 0)
+		uwb_rc_beacon(rc, -1, 0);
+	if (rc->scan_type != UWB_SCAN_DISABLED)
+		uwb_rc_scan(rc, rc->scanning, UWB_SCAN_DISABLED, 0);
+	uwb_rc_reset(rc);
+
+	rc->stop(rc);
+	uwbd_flush(rc);
+
+	uwb_dev_lock(&rc->uwb_dev);
+	rc->priv = NULL;
+	rc->cmd = NULL;
+	uwb_dev_unlock(&rc->uwb_dev);
+	mutex_lock(&uwb_beca.mutex);
+	uwb_dev_for_each(rc, uwb_dev_offair_helper, NULL);
+	__uwb_rc_sys_rm(rc);
+	mutex_unlock(&uwb_beca.mutex);
+	uwb_dev_rm(&rc->uwb_dev);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_rm);
+
+static int find_rc_try_get(struct device *dev, void *data)
+{
+	struct uwb_rc *target_rc = data;
+	struct uwb_rc *rc = dev_get_drvdata(dev);
+
+	if (rc == NULL) {
+		WARN_ON(1);
+		return 0;
+	}
+	if (rc == target_rc) {
+		if (rc->ready == 0)
+			return 0;
+		else
+			return 1;
+	}
+	return 0;
+}
+
+/**
+ * Given a radio controller descriptor, validate and refcount it
+ *
+ * @returns NULL if the rc does not exist or is quiescing; the ptr to
+ *               it otherwise.
+ */
+struct uwb_rc *__uwb_rc_try_get(struct uwb_rc *target_rc)
+{
+	struct device *dev;
+	struct uwb_rc *rc = NULL;
+
+	dev = class_find_device(&uwb_rc_class, NULL, target_rc,
+				find_rc_try_get);
+	if (dev) {
+		rc = dev_get_drvdata(dev);
+		__uwb_rc_get(rc);
+	}
+	return rc;
+}
+EXPORT_SYMBOL_GPL(__uwb_rc_try_get);
+
+/*
+ * RC get for external refcount acquirers...
+ *
+ * Increments the refcount of the device and it's backend modules
+ */
+static inline struct uwb_rc *uwb_rc_get(struct uwb_rc *rc)
+{
+	if (rc->ready == 0)
+		return NULL;
+	uwb_dev_get(&rc->uwb_dev);
+	return rc;
+}
+
+static int find_rc_grandpa(struct device *dev, void *data)
+{
+	struct device *grandpa_dev = data;
+	struct uwb_rc *rc = dev_get_drvdata(dev);
+
+	if (rc->uwb_dev.dev.parent->parent == grandpa_dev) {
+		rc = uwb_rc_get(rc);
+		return 1;
+	}
+	return 0;
+}
+
+/**
+ * Locate and refcount a radio controller given a common grand-parent
+ *
+ * @grandpa_dev  Pointer to the 'grandparent' device structure.
+ * @returns NULL If the rc does not exist or is quiescing; the ptr to
+ *               it otherwise, properly referenced.
+ *
+ * The Radio Control interface (or the UWB Radio Controller) is always
+ * an interface of a device. The parent is the interface, the
+ * grandparent is the device that encapsulates the interface.
+ *
+ * There is no need to lock around as the "grandpa" would be
+ * refcounted by the target, and to remove the referemes, the
+ * uwb_rc_class->sem would have to be taken--we hold it, ergo we
+ * should be safe.
+ */
+struct uwb_rc *uwb_rc_get_by_grandpa(const struct device *grandpa_dev)
+{
+	struct device *dev;
+	struct uwb_rc *rc = NULL;
+
+	dev = class_find_device(&uwb_rc_class, NULL, (void *)grandpa_dev,
+				find_rc_grandpa);
+	if (dev)
+		rc = dev_get_drvdata(dev);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_get_by_grandpa);
+
+/**
+ * Find a radio controller by device address
+ *
+ * @returns the pointer to the radio controller, properly referenced
+ */
+static int find_rc_dev(struct device *dev, void *data)
+{
+	struct uwb_dev_addr *addr = data;
+	struct uwb_rc *rc = dev_get_drvdata(dev);
+
+	if (rc == NULL) {
+		WARN_ON(1);
+		return 0;
+	}
+	if (!uwb_dev_addr_cmp(&rc->uwb_dev.dev_addr, addr)) {
+		rc = uwb_rc_get(rc);
+		return 1;
+	}
+	return 0;
+}
+
+struct uwb_rc *uwb_rc_get_by_dev(const struct uwb_dev_addr *addr)
+{
+	struct device *dev;
+	struct uwb_rc *rc = NULL;
+
+	dev = class_find_device(&uwb_rc_class, NULL, (void *)addr,
+				find_rc_dev);
+	if (dev)
+		rc = dev_get_drvdata(dev);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_get_by_dev);
+
+/**
+ * Drop a reference on a radio controller
+ *
+ * This is the version that should be done by entities external to the
+ * UWB Radio Control stack (ie: clients of the API).
+ */
+void uwb_rc_put(struct uwb_rc *rc)
+{
+	__uwb_rc_put(rc);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_put);
+
+/*
+ *
+ *
+ */
+ssize_t uwb_rc_print_IEs(struct uwb_rc *uwb_rc, char *buf, size_t size)
+{
+	ssize_t result;
+	struct uwb_rc_evt_get_ie *ie_info;
+	struct uwb_buf_ctx ctx;
+
+	result = uwb_rc_get_ie(uwb_rc, &ie_info);
+	if (result < 0)
+		goto error_get_ie;
+	ctx.buf = buf;
+	ctx.size = size;
+	ctx.bytes = 0;
+	uwb_ie_for_each(&uwb_rc->uwb_dev, uwb_ie_dump_hex, &ctx,
+			ie_info->IEData, result - sizeof(*ie_info));
+	result = ctx.bytes;
+	kfree(ie_info);
+error_get_ie:
+	return result;
+}
+
diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c
new file mode 100644
index 00000000000..5508993a820
--- /dev/null
+++ b/drivers/uwb/pal.c
@@ -0,0 +1,71 @@
+/*
+ * UWB PAL support.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/uwb.h>
+
+#include "uwb-internal.h"
+
+/**
+ * uwb_pal_init - initialize a UWB PAL
+ * @pal: the PAL to initialize
+ */
+void uwb_pal_init(struct uwb_pal *pal)
+{
+	INIT_LIST_HEAD(&pal->node);
+}
+EXPORT_SYMBOL_GPL(uwb_pal_init);
+
+/**
+ * uwb_pal_register - register a UWB PAL
+ * @rc: the radio controller the PAL will be using
+ * @pal: the PAL
+ *
+ * The PAL must be initialized with uwb_pal_init().
+ */
+int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal)
+{
+	spin_lock(&rc->pal_lock);
+	list_add(&pal->node, &rc->pals);
+	spin_unlock(&rc->pal_lock);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uwb_pal_register);
+
+/**
+ * uwb_pal_register - unregister a UWB PAL
+ * @rc: the radio controller the PAL was using
+ * @pal: the PAL
+ */
+void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal)
+{
+	spin_lock(&rc->pal_lock);
+	list_del(&pal->node);
+	spin_unlock(&rc->pal_lock);
+}
+EXPORT_SYMBOL_GPL(uwb_pal_unregister);
+
+/**
+ * uwb_rc_pal_init - initialize the PAL related parts of a radio controller
+ * @rc: the radio controller
+ */
+void uwb_rc_pal_init(struct uwb_rc *rc)
+{
+	spin_lock_init(&rc->pal_lock);
+	INIT_LIST_HEAD(&rc->pals);
+}
diff --git a/drivers/uwb/uwb-internal.h b/drivers/uwb/uwb-internal.h
new file mode 100644
index 00000000000..4f525a88985
--- /dev/null
+++ b/drivers/uwb/uwb-internal.h
@@ -0,0 +1,306 @@
+/*
+ * Ultra Wide Band
+ * UWB internal API
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * This contains most of the internal API for UWB. This is stuff used
+ * across the stack that of course, is of no interest to the rest.
+ *
+ * Some parts might end up going public (like uwb_rc_*())...
+ */
+
+#ifndef __UWB_INTERNAL_H__
+#define __UWB_INTERNAL_H__
+
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/uwb.h>
+#include <linux/mutex.h>
+
+struct uwb_beca_e;
+
+/* General device API */
+extern void uwb_dev_init(struct uwb_dev *uwb_dev);
+extern int __uwb_dev_offair(struct uwb_dev *, struct uwb_rc *);
+extern int uwb_dev_add(struct uwb_dev *uwb_dev, struct device *parent_dev,
+		       struct uwb_rc *parent_rc);
+extern void uwb_dev_rm(struct uwb_dev *uwb_dev);
+extern void uwbd_dev_onair(struct uwb_rc *, struct uwb_beca_e *);
+extern void uwbd_dev_offair(struct uwb_beca_e *);
+void uwb_notify(struct uwb_rc *rc, struct uwb_dev *uwb_dev, enum uwb_notifs event);
+
+/* General UWB Radio Controller Internal API */
+extern struct uwb_rc *__uwb_rc_try_get(struct uwb_rc *);
+static inline struct uwb_rc *__uwb_rc_get(struct uwb_rc *rc)
+{
+	uwb_dev_get(&rc->uwb_dev);
+	return rc;
+}
+
+static inline void __uwb_rc_put(struct uwb_rc *rc)
+{
+	uwb_dev_put(&rc->uwb_dev);
+}
+
+extern int uwb_rc_reset(struct uwb_rc *rc);
+extern int uwb_rc_beacon(struct uwb_rc *rc,
+			 int channel, unsigned bpst_offset);
+extern int uwb_rc_scan(struct uwb_rc *rc,
+		       unsigned channel, enum uwb_scan_type type,
+		       unsigned bpst_offset);
+extern int uwb_rc_send_all_drp_ie(struct uwb_rc *rc);
+extern ssize_t uwb_rc_print_IEs(struct uwb_rc *rc, char *, size_t);
+extern void uwb_rc_ie_init(struct uwb_rc *);
+extern void uwb_rc_ie_init(struct uwb_rc *);
+extern ssize_t uwb_rc_ie_setup(struct uwb_rc *);
+extern void uwb_rc_ie_release(struct uwb_rc *);
+extern int uwb_rc_ie_add(struct uwb_rc *,
+			 const struct uwb_ie_hdr *, size_t);
+extern int uwb_rc_ie_rm(struct uwb_rc *, enum uwb_ie);
+extern int uwb_rc_set_identification_ie(struct uwb_rc *);
+
+extern const char *uwb_rc_strerror(unsigned code);
+
+/*
+ * Time to wait for a response to an RC command.
+ *
+ * Some commands can take a long time to response. e.g., START_BEACON
+ * may scan for several superframes before joining an existing beacon
+ * group and this can take around 600 ms.
+ */
+#define UWB_RC_CMD_TIMEOUT_MS 1000 /* ms */
+
+/*
+ * Notification/Event Handlers
+ */
+
+struct uwb_rc_neh;
+
+void uwb_rc_neh_create(struct uwb_rc *rc);
+void uwb_rc_neh_destroy(struct uwb_rc *rc);
+
+struct uwb_rc_neh *uwb_rc_neh_add(struct uwb_rc *rc, struct uwb_rccb *cmd,
+				  u8 expected_type, u16 expected_event,
+				  uwb_rc_cmd_cb_f cb, void *arg);
+void uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh);
+void uwb_rc_neh_arm(struct uwb_rc *rc, struct uwb_rc_neh *neh);
+void uwb_rc_neh_put(struct uwb_rc_neh *neh);
+
+/* Event size tables */
+extern int uwb_est_create(void);
+extern void uwb_est_destroy(void);
+
+
+/*
+ * UWB Events & management daemon
+ */
+
+/**
+ * enum uwb_event_type - types of UWB management daemon events
+ *
+ * The UWB management daemon (uwbd) can receive two types of events:
+ *   UWB_EVT_TYPE_NOTIF - notification from the radio controller.
+ *   UWB_EVT_TYPE_MSG   - a simple message.
+ */
+enum uwb_event_type {
+	UWB_EVT_TYPE_NOTIF,
+	UWB_EVT_TYPE_MSG,
+};
+
+/**
+ * struct uwb_event_notif - an event for a radio controller notification
+ * @size: Size of the buffer (ie: Guaranteed to contain at least
+ *        a full 'struct uwb_rceb')
+ * @rceb: Pointer to a kmalloced() event payload
+ */
+struct uwb_event_notif {
+	size_t size;
+	struct uwb_rceb *rceb;
+};
+
+/**
+ * enum uwb_event_message - an event for a message for asynchronous processing
+ *
+ * UWB_EVT_MSG_RESET - reset the radio controller and all PAL hardware.
+ */
+enum uwb_event_message {
+	UWB_EVT_MSG_RESET,
+};
+
+/**
+ * UWB Event
+ * @rc:         Radio controller that emitted the event (referenced)
+ * @ts_jiffies: Timestamp, when was it received
+ * @type:       This event's type.
+ */
+struct uwb_event {
+	struct list_head list_node;
+	struct uwb_rc *rc;
+	unsigned long ts_jiffies;
+	enum uwb_event_type type;
+	union {
+		struct uwb_event_notif notif;
+		enum uwb_event_message message;
+	};
+};
+
+extern void uwbd_start(void);
+extern void uwbd_stop(void);
+extern struct uwb_event *uwb_event_alloc(size_t, gfp_t gfp_mask);
+extern void uwbd_event_queue(struct uwb_event *);
+void uwbd_flush(struct uwb_rc *rc);
+
+/* UWB event handlers */
+extern int uwbd_evt_handle_rc_beacon(struct uwb_event *);
+extern int uwbd_evt_handle_rc_beacon_size(struct uwb_event *);
+extern int uwbd_evt_handle_rc_bpoie_change(struct uwb_event *);
+extern int uwbd_evt_handle_rc_bp_slot_change(struct uwb_event *);
+extern int uwbd_evt_handle_rc_drp(struct uwb_event *);
+extern int uwbd_evt_handle_rc_drp_avail(struct uwb_event *);
+
+int uwbd_msg_handle_reset(struct uwb_event *evt);
+
+
+/*
+ * Address management
+ */
+int uwb_rc_dev_addr_assign(struct uwb_rc *rc);
+int uwbd_evt_handle_rc_dev_addr_conflict(struct uwb_event *evt);
+
+/*
+ * UWB Beacon Cache
+ *
+ * Each beacon we received is kept in a cache--when we receive that
+ * beacon consistently, that means there is a new device that we have
+ * to add to the system.
+ */
+
+extern unsigned long beacon_timeout_ms;
+
+/** Beacon cache list */
+struct uwb_beca {
+	struct list_head list;
+	size_t entries;
+	struct mutex mutex;
+};
+
+extern struct uwb_beca uwb_beca;
+
+/**
+ * Beacon cache entry
+ *
+ * @jiffies_refresh: last time a beacon was  received that refreshed
+ *                   this cache entry.
+ * @uwb_dev: device connected to this beacon. This pointer is not
+ *           safe, you need to get it with uwb_dev_try_get()
+ *
+ * @hits: how many time we have seen this beacon since last time we
+ *        cleared it
+ */
+struct uwb_beca_e {
+	struct mutex mutex;
+	struct kref refcnt;
+	struct list_head node;
+	struct uwb_mac_addr *mac_addr;
+	struct uwb_dev_addr dev_addr;
+	u8 hits;
+	unsigned long ts_jiffies;
+	struct uwb_dev *uwb_dev;
+	struct uwb_rc_evt_beacon *be;
+	struct stats lqe_stats, rssi_stats;	/* radio statistics */
+};
+struct uwb_beacon_frame;
+extern ssize_t uwb_bce_print_IEs(struct uwb_dev *, struct uwb_beca_e *,
+				 char *, size_t);
+extern struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *,
+					 struct uwb_beacon_frame *,
+					 unsigned long);
+
+extern void uwb_bce_kfree(struct kref *_bce);
+static inline void uwb_bce_get(struct uwb_beca_e *bce)
+{
+	kref_get(&bce->refcnt);
+}
+static inline void uwb_bce_put(struct uwb_beca_e *bce)
+{
+	kref_put(&bce->refcnt, uwb_bce_kfree);
+}
+extern void uwb_beca_purge(void);
+extern void uwb_beca_release(void);
+
+struct uwb_dev *uwb_dev_get_by_devaddr(struct uwb_rc *rc,
+				       const struct uwb_dev_addr *devaddr);
+struct uwb_dev *uwb_dev_get_by_macaddr(struct uwb_rc *rc,
+				       const struct uwb_mac_addr *macaddr);
+
+/* -- UWB Sysfs representation */
+extern struct class uwb_rc_class;
+extern struct device_attribute dev_attr_mac_address;
+extern struct device_attribute dev_attr_beacon;
+extern struct device_attribute dev_attr_scan;
+
+/* -- DRP Bandwidth allocator: bandwidth allocations, reservations, DRP */
+void uwb_rsv_init(struct uwb_rc *rc);
+int uwb_rsv_setup(struct uwb_rc *rc);
+void uwb_rsv_cleanup(struct uwb_rc *rc);
+
+void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state);
+void uwb_rsv_remove(struct uwb_rsv *rsv);
+struct uwb_rsv *uwb_rsv_find(struct uwb_rc *rc, struct uwb_dev *src,
+			     struct uwb_ie_drp *drp_ie);
+void uwb_rsv_sched_update(struct uwb_rc *rc);
+
+void uwb_drp_handle_timeout(struct uwb_rsv *rsv);
+int uwb_drp_ie_update(struct uwb_rsv *rsv);
+void uwb_drp_ie_to_bm(struct uwb_mas_bm *bm, const struct uwb_ie_drp *drp_ie);
+
+void uwb_drp_avail_init(struct uwb_rc *rc);
+int  uwb_drp_avail_reserve_pending(struct uwb_rc *rc, struct uwb_mas_bm *mas);
+void uwb_drp_avail_reserve(struct uwb_rc *rc, struct uwb_mas_bm *mas);
+void uwb_drp_avail_release(struct uwb_rc *rc, struct uwb_mas_bm *mas);
+void uwb_drp_avail_ie_update(struct uwb_rc *rc);
+
+/* -- PAL support */
+void uwb_rc_pal_init(struct uwb_rc *rc);
+
+/* -- Misc */
+
+extern ssize_t uwb_mac_frame_hdr_print(char *, size_t,
+				       const struct uwb_mac_frame_hdr *);
+
+/* -- Debug interface */
+void uwb_dbg_init(void);
+void uwb_dbg_exit(void);
+void uwb_dbg_add_rc(struct uwb_rc *rc);
+void uwb_dbg_del_rc(struct uwb_rc *rc);
+
+/* Workarounds for version specific stuff */
+
+static inline void uwb_dev_lock(struct uwb_dev *uwb_dev)
+{
+	down(&uwb_dev->dev.sem);
+}
+
+static inline void uwb_dev_unlock(struct uwb_dev *uwb_dev)
+{
+	up(&uwb_dev->dev.sem);
+}
+
+#endif /* #ifndef __UWB_INTERNAL_H__ */
diff --git a/drivers/uwb/uwbd.c b/drivers/uwb/uwbd.c
new file mode 100644
index 00000000000..b3673d614ad
--- /dev/null
+++ b/drivers/uwb/uwbd.c
@@ -0,0 +1,427 @@
+/*
+ * Ultra Wide Band
+ * Neighborhood Management Daemon
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * This daemon takes care of maintaing information that describes the
+ * UWB neighborhood that the radios in this machine can see. It also
+ * keeps a tab of which devices are visible, makes sure each HC sits
+ * on a different channel to avoid interfering, etc.
+ *
+ * Different drivers (radio controller, device, any API in general)
+ * communicate with this daemon through an event queue. Daemon wakes
+ * up, takes a list of events and handles them one by one; handling
+ * function is extracted from a table based on the event's type and
+ * subtype. Events are freed only if the handling function says so.
+ *
+ *   . Lock protecting the event list has to be an spinlock and locked
+ *     with IRQSAVE because it might be called from an interrupt
+ *     context (ie: when events arrive and the notification drops
+ *     down from the ISR).
+ *
+ *   . UWB radio controller drivers queue events to the daemon using
+ *     uwbd_event_queue(). They just get the event, chew it to make it
+ *     look like UWBD likes it and pass it in a buffer allocated with
+ *     uwb_event_alloc().
+ *
+ * EVENTS
+ *
+ * Events have a type, a subtype, a lenght, some other stuff and the
+ * data blob, which depends on the event. The header is 'struct
+ * uwb_event'; for payloads, see 'struct uwbd_evt_*'.
+ *
+ * EVENT HANDLER TABLES
+ *
+ * To find a handling function for an event, the type is used to index
+ * a subtype-table in the type-table. The subtype-table is indexed
+ * with the subtype to get the function that handles the event. Start
+ * with the main type-table 'uwbd_evt_type_handler'.
+ *
+ * DEVICES
+ *
+ * Devices are created when a bunch of beacons have been received and
+ * it is stablished that the device has stable radio presence. CREATED
+ * only, not configured. Devices are ONLY configured when an
+ * Application-Specific IE Probe is receieved, in which the device
+ * declares which Protocol ID it groks. Then the device is CONFIGURED
+ * (and the driver->probe() stuff of the device model is invoked).
+ *
+ * Devices are considered disconnected when a certain number of
+ * beacons are not received in an amount of time.
+ *
+ * Handler functions are called normally uwbd_evt_handle_*().
+ */
+
+#include <linux/kthread.h>
+#include <linux/module.h>
+#include <linux/freezer.h>
+#include "uwb-internal.h"
+
+#define D_LOCAL 1
+#include <linux/uwb/debug.h>
+
+
+/**
+ * UWBD Event handler function signature
+ *
+ * Return !0 if the event needs not to be freed (ie the handler
+ * takes/took care of it). 0 means the daemon code will free the
+ * event.
+ *
+ * @evt->rc is already referenced and guaranteed to exist. See
+ * uwb_evt_handle().
+ */
+typedef int (*uwbd_evt_handler_f)(struct uwb_event *);
+
+/**
+ * Properties of a UWBD event
+ *
+ * @handler:    the function that will handle this event
+ * @name:       text name of event
+ */
+struct uwbd_event {
+	uwbd_evt_handler_f handler;
+	const char *name;
+};
+
+/** Table of handlers for and properties of the UWBD Radio Control Events */
+static
+struct uwbd_event uwbd_events[] = {
+	[UWB_RC_EVT_BEACON] = {
+		.handler = uwbd_evt_handle_rc_beacon,
+		.name = "BEACON_RECEIVED"
+	},
+	[UWB_RC_EVT_BEACON_SIZE] = {
+		.handler = uwbd_evt_handle_rc_beacon_size,
+		.name = "BEACON_SIZE_CHANGE"
+	},
+	[UWB_RC_EVT_BPOIE_CHANGE] = {
+		.handler = uwbd_evt_handle_rc_bpoie_change,
+		.name = "BPOIE_CHANGE"
+	},
+	[UWB_RC_EVT_BP_SLOT_CHANGE] = {
+		.handler = uwbd_evt_handle_rc_bp_slot_change,
+		.name = "BP_SLOT_CHANGE"
+	},
+	[UWB_RC_EVT_DRP_AVAIL] = {
+		.handler = uwbd_evt_handle_rc_drp_avail,
+		.name = "DRP_AVAILABILITY_CHANGE"
+	},
+	[UWB_RC_EVT_DRP] = {
+		.handler = uwbd_evt_handle_rc_drp,
+		.name = "DRP"
+	},
+	[UWB_RC_EVT_DEV_ADDR_CONFLICT] = {
+		.handler = uwbd_evt_handle_rc_dev_addr_conflict,
+		.name = "DEV_ADDR_CONFLICT",
+	},
+};
+
+
+
+struct uwbd_evt_type_handler {
+	const char *name;
+	struct uwbd_event *uwbd_events;
+	size_t size;
+};
+
+#define UWBD_EVT_TYPE_HANDLER(n,a) {		\
+	.name = (n),				\
+	.uwbd_events = (a),			\
+	.size = sizeof(a)/sizeof((a)[0])	\
+}
+
+
+/** Table of handlers for each UWBD Event type. */
+static
+struct uwbd_evt_type_handler uwbd_evt_type_handlers[] = {
+	[UWB_RC_CET_GENERAL] = UWBD_EVT_TYPE_HANDLER("RC", uwbd_events)
+};
+
+static const
+size_t uwbd_evt_type_handlers_len =
+	sizeof(uwbd_evt_type_handlers) / sizeof(uwbd_evt_type_handlers[0]);
+
+static const struct uwbd_event uwbd_message_handlers[] = {
+	[UWB_EVT_MSG_RESET] = {
+		.handler = uwbd_msg_handle_reset,
+		.name = "reset",
+	},
+};
+
+static DEFINE_MUTEX(uwbd_event_mutex);
+
+/**
+ * Handle an URC event passed to the UWB Daemon
+ *
+ * @evt: the event to handle
+ * @returns: 0 if the event can be kfreed, !0 on the contrary
+ *           (somebody else took ownership) [coincidentally, returning
+ *           a <0 errno code will free it :)].
+ *
+ * Looks up the two indirection tables (one for the type, one for the
+ * subtype) to decide which function handles it and then calls the
+ * handler.
+ *
+ * The event structure passed to the event handler has the radio
+ * controller in @evt->rc referenced. The reference will be dropped
+ * once the handler returns, so if it needs it for longer (async),
+ * it'll need to take another one.
+ */
+static
+int uwbd_event_handle_urc(struct uwb_event *evt)
+{
+	int result;
+	struct uwbd_evt_type_handler *type_table;
+	uwbd_evt_handler_f handler;
+	u8 type, context;
+	u16 event;
+
+	type = evt->notif.rceb->bEventType;
+	event = le16_to_cpu(evt->notif.rceb->wEvent);
+	context = evt->notif.rceb->bEventContext;
+
+	if (type > uwbd_evt_type_handlers_len) {
+		if (printk_ratelimit())
+			printk(KERN_ERR "UWBD: event type %u: unknown "
+			       "(too high)\n", type);
+		return -EINVAL;
+	}
+	type_table = &uwbd_evt_type_handlers[type];
+	if (type_table->uwbd_events == NULL) {
+		if (printk_ratelimit())
+			printk(KERN_ERR "UWBD: event type %u: unknown\n", type);
+		return -EINVAL;
+	}
+	if (event > type_table->size) {
+		if (printk_ratelimit())
+			printk(KERN_ERR "UWBD: event %s[%u]: "
+			       "unknown (too high)\n", type_table->name, event);
+		return -EINVAL;
+	}
+	handler = type_table->uwbd_events[event].handler;
+	if (handler == NULL) {
+		if (printk_ratelimit())
+			printk(KERN_ERR "UWBD: event %s[%u]: unknown\n",
+			       type_table->name, event);
+		return -EINVAL;
+	}
+	d_printf(3, NULL, "processing 0x%02x/%04x/%02x, %zu bytes\n",
+		 type, event, context, evt->notif.size);
+	result = (*handler)(evt);
+	if (result < 0) {
+		if (printk_ratelimit())
+			printk(KERN_ERR "UWBD: event 0x%02x/%04x/%02x, "
+			       "table %s[%u]: handling failed: %d\n",
+			       type, event, context, type_table->name,
+			       event, result);
+	}
+	return result;
+}
+
+static void uwbd_event_handle_message(struct uwb_event *evt)
+{
+	struct uwb_rc *rc;
+	int result;
+
+	rc = evt->rc;
+
+	if (evt->message < 0 || evt->message >= ARRAY_SIZE(uwbd_message_handlers)) {
+		dev_err(&rc->uwb_dev.dev, "UWBD: invalid message type %d\n", evt->message);
+		return;
+	}
+
+	/* If this is a reset event we need to drop the
+	 * uwbd_event_mutex or it deadlocks when the reset handler
+	 * attempts to flush the uwbd events. */
+	if (evt->message == UWB_EVT_MSG_RESET)
+		mutex_unlock(&uwbd_event_mutex);
+
+	result = uwbd_message_handlers[evt->message].handler(evt);
+	if (result < 0)
+		dev_err(&rc->uwb_dev.dev, "UWBD: '%s' message failed: %d\n",
+			uwbd_message_handlers[evt->message].name, result);
+
+	if (evt->message == UWB_EVT_MSG_RESET)
+		mutex_lock(&uwbd_event_mutex);
+}
+
+static void uwbd_event_handle(struct uwb_event *evt)
+{
+	struct uwb_rc *rc;
+	int should_keep;
+
+	rc = evt->rc;
+
+	if (rc->ready) {
+		switch (evt->type) {
+		case UWB_EVT_TYPE_NOTIF:
+			should_keep = uwbd_event_handle_urc(evt);
+			if (should_keep <= 0)
+				kfree(evt->notif.rceb);
+			break;
+		case UWB_EVT_TYPE_MSG:
+			uwbd_event_handle_message(evt);
+			break;
+		default:
+			dev_err(&rc->uwb_dev.dev, "UWBD: invalid event type %d\n", evt->type);
+			break;
+		}
+	}
+
+	__uwb_rc_put(rc);	/* for the __uwb_rc_get() in uwb_rc_notif_cb() */
+}
+/* The UWB Daemon */
+
+
+/** Daemon's PID: used to decide if we can queue or not */
+static int uwbd_pid;
+/** Daemon's task struct for managing the kthread */
+static struct task_struct *uwbd_task;
+/** Daemon's waitqueue for waiting for new events */
+static DECLARE_WAIT_QUEUE_HEAD(uwbd_wq);
+/** Daemon's list of events; we queue/dequeue here */
+static struct list_head uwbd_event_list = LIST_HEAD_INIT(uwbd_event_list);
+/** Daemon's list lock to protect concurent access */
+static DEFINE_SPINLOCK(uwbd_event_list_lock);
+
+
+/**
+ * UWB Daemon
+ *
+ * Listens to all UWB notifications and takes care to track the state
+ * of the UWB neighboorhood for the kernel. When we do a run, we
+ * spinlock, move the list to a private copy and release the
+ * lock. Hold it as little as possible. Not a conflict: it is
+ * guaranteed we own the events in the private list.
+ *
+ * FIXME: should change so we don't have a 1HZ timer all the time, but
+ *        only if there are devices.
+ */
+static int uwbd(void *unused)
+{
+	unsigned long flags;
+	struct list_head list = LIST_HEAD_INIT(list);
+	struct uwb_event *evt, *nxt;
+	int should_stop = 0;
+	while (1) {
+		wait_event_interruptible_timeout(
+			uwbd_wq,
+			!list_empty(&uwbd_event_list)
+			  || (should_stop = kthread_should_stop()),
+			HZ);
+		if (should_stop)
+			break;
+		try_to_freeze();
+
+		mutex_lock(&uwbd_event_mutex);
+		spin_lock_irqsave(&uwbd_event_list_lock, flags);
+		list_splice_init(&uwbd_event_list, &list);
+		spin_unlock_irqrestore(&uwbd_event_list_lock, flags);
+		list_for_each_entry_safe(evt, nxt, &list, list_node) {
+			list_del(&evt->list_node);
+			uwbd_event_handle(evt);
+			kfree(evt);
+		}
+		mutex_unlock(&uwbd_event_mutex);
+
+		uwb_beca_purge();	/* Purge devices that left */
+	}
+	return 0;
+}
+
+
+/** Start the UWB daemon */
+void uwbd_start(void)
+{
+	uwbd_task = kthread_run(uwbd, NULL, "uwbd");
+	if (uwbd_task == NULL)
+		printk(KERN_ERR "UWB: Cannot start management daemon; "
+		       "UWB won't work\n");
+	else
+		uwbd_pid = uwbd_task->pid;
+}
+
+/* Stop the UWB daemon and free any unprocessed events */
+void uwbd_stop(void)
+{
+	unsigned long flags;
+	struct uwb_event *evt, *nxt;
+	kthread_stop(uwbd_task);
+	spin_lock_irqsave(&uwbd_event_list_lock, flags);
+	uwbd_pid = 0;
+	list_for_each_entry_safe(evt, nxt, &uwbd_event_list, list_node) {
+		if (evt->type == UWB_EVT_TYPE_NOTIF)
+			kfree(evt->notif.rceb);
+		kfree(evt);
+	}
+	spin_unlock_irqrestore(&uwbd_event_list_lock, flags);
+	uwb_beca_release();
+}
+
+/*
+ * Queue an event for the management daemon
+ *
+ * When some lower layer receives an event, it uses this function to
+ * push it forward to the UWB daemon.
+ *
+ * Once you pass the event, you don't own it any more, but the daemon
+ * does. It will uwb_event_free() it when done, so make sure you
+ * uwb_event_alloc()ed it or bad things will happen.
+ *
+ * If the daemon is not running, we just free the event.
+ */
+void uwbd_event_queue(struct uwb_event *evt)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&uwbd_event_list_lock, flags);
+	if (uwbd_pid != 0) {
+		list_add(&evt->list_node, &uwbd_event_list);
+		wake_up_all(&uwbd_wq);
+	} else {
+		__uwb_rc_put(evt->rc);
+		if (evt->type == UWB_EVT_TYPE_NOTIF)
+			kfree(evt->notif.rceb);
+		kfree(evt);
+	}
+	spin_unlock_irqrestore(&uwbd_event_list_lock, flags);
+	return;
+}
+
+void uwbd_flush(struct uwb_rc *rc)
+{
+	struct uwb_event *evt, *nxt;
+
+	mutex_lock(&uwbd_event_mutex);
+
+	spin_lock_irq(&uwbd_event_list_lock);
+	list_for_each_entry_safe(evt, nxt, &uwbd_event_list, list_node) {
+		if (evt->rc == rc) {
+			__uwb_rc_put(rc);
+			list_del(&evt->list_node);
+			if (evt->type == UWB_EVT_TYPE_NOTIF)
+				kfree(evt->notif.rceb);
+			kfree(evt);
+		}
+	}
+	spin_unlock_irq(&uwbd_event_list_lock);
+
+	mutex_unlock(&uwbd_event_mutex);
+}
-- 
GitLab


From 0612edfd95ffe92201a2267e9e1b0fc68becf76d Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:07 +0100
Subject: [PATCH 0157/2224] uwb: add the UWB stack (radio controller interface)

Add the UWB radio controller interface (URCI) support.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/est.c   | 485 ++++++++++++++++++++++++++++++++++
 drivers/uwb/neh.c   | 616 ++++++++++++++++++++++++++++++++++++++++++++
 drivers/uwb/reset.c | 362 ++++++++++++++++++++++++++
 3 files changed, 1463 insertions(+)
 create mode 100644 drivers/uwb/est.c
 create mode 100644 drivers/uwb/neh.c
 create mode 100644 drivers/uwb/reset.c

diff --git a/drivers/uwb/est.c b/drivers/uwb/est.c
new file mode 100644
index 00000000000..1667afb704d
--- /dev/null
+++ b/drivers/uwb/est.c
@@ -0,0 +1,485 @@
+/*
+ * Ultra Wide Band Radio Control
+ * Event Size Tables management
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ *
+ * Infrastructure, code and data tables for guessing the size of
+ * events received on the notification endpoints of UWB radio
+ * controllers.
+ *
+ * You define a table of events and for each, its size and how to get
+ * the extra size.
+ *
+ * ENTRY POINTS:
+ *
+ * uwb_est_{init/destroy}(): To initialize/release the EST subsystem.
+ *
+ * uwb_est_[u]register(): To un/register event size tables
+ *   uwb_est_grow()
+ *
+ * uwb_est_find_size(): Get the size of an event
+ *   uwb_est_get_size()
+ */
+#include <linux/spinlock.h>
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+#include "uwb-internal.h"
+
+
+struct uwb_est {
+	u16 type_event_high;
+	u16 vendor, product;
+	u8 entries;
+	const struct uwb_est_entry *entry;
+};
+
+
+static struct uwb_est *uwb_est;
+static u8 uwb_est_size;
+static u8 uwb_est_used;
+static DEFINE_RWLOCK(uwb_est_lock);
+
+/**
+ * WUSB Standard Event Size Table, HWA-RC interface
+ *
+ * Sizes for events and notifications type 0 (general), high nibble 0.
+ */
+static
+struct uwb_est_entry uwb_est_00_00xx[] = {
+	[UWB_RC_EVT_IE_RCV] = {
+		.size = sizeof(struct uwb_rc_evt_ie_rcv),
+		.offset = 1 + offsetof(struct uwb_rc_evt_ie_rcv, wIELength),
+	},
+	[UWB_RC_EVT_BEACON] = {
+		.size = sizeof(struct uwb_rc_evt_beacon),
+		.offset = 1 + offsetof(struct uwb_rc_evt_beacon, wBeaconInfoLength),
+	},
+	[UWB_RC_EVT_BEACON_SIZE] = {
+		.size = sizeof(struct uwb_rc_evt_beacon_size),
+	},
+	[UWB_RC_EVT_BPOIE_CHANGE] = {
+		.size = sizeof(struct uwb_rc_evt_bpoie_change),
+		.offset = 1 + offsetof(struct uwb_rc_evt_bpoie_change,
+				       wBPOIELength),
+	},
+	[UWB_RC_EVT_BP_SLOT_CHANGE] = {
+		.size = sizeof(struct uwb_rc_evt_bp_slot_change),
+	},
+	[UWB_RC_EVT_BP_SWITCH_IE_RCV] = {
+		.size = sizeof(struct uwb_rc_evt_bp_switch_ie_rcv),
+		.offset = 1 + offsetof(struct uwb_rc_evt_bp_switch_ie_rcv, wIELength),
+	},
+	[UWB_RC_EVT_DEV_ADDR_CONFLICT] = {
+		.size = sizeof(struct uwb_rc_evt_dev_addr_conflict),
+	},
+	[UWB_RC_EVT_DRP_AVAIL] = {
+		.size = sizeof(struct uwb_rc_evt_drp_avail)
+	},
+	[UWB_RC_EVT_DRP] = {
+		.size = sizeof(struct uwb_rc_evt_drp),
+		.offset = 1 + offsetof(struct uwb_rc_evt_drp, ie_length),
+	},
+	[UWB_RC_EVT_BP_SWITCH_STATUS] = {
+		.size = sizeof(struct uwb_rc_evt_bp_switch_status),
+	},
+	[UWB_RC_EVT_CMD_FRAME_RCV] = {
+		.size = sizeof(struct uwb_rc_evt_cmd_frame_rcv),
+		.offset = 1 + offsetof(struct uwb_rc_evt_cmd_frame_rcv, dataLength),
+	},
+	[UWB_RC_EVT_CHANNEL_CHANGE_IE_RCV] = {
+		.size = sizeof(struct uwb_rc_evt_channel_change_ie_rcv),
+		.offset = 1 + offsetof(struct uwb_rc_evt_channel_change_ie_rcv, wIELength),
+	},
+	[UWB_RC_CMD_CHANNEL_CHANGE] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_DEV_ADDR_MGMT] = {
+		.size = sizeof(struct uwb_rc_evt_dev_addr_mgmt) },
+	[UWB_RC_CMD_GET_IE] = {
+		.size = sizeof(struct uwb_rc_evt_get_ie),
+		.offset = 1 + offsetof(struct uwb_rc_evt_get_ie, wIELength),
+	},
+	[UWB_RC_CMD_RESET] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_SCAN] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_SET_BEACON_FILTER] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_SET_DRP_IE] = {
+		.size = sizeof(struct uwb_rc_evt_set_drp_ie),
+	},
+	[UWB_RC_CMD_SET_IE] = {
+		.size = sizeof(struct uwb_rc_evt_set_ie),
+	},
+	[UWB_RC_CMD_SET_NOTIFICATION_FILTER] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_SET_TX_POWER] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_SLEEP] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_START_BEACON] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_STOP_BEACON] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_BP_MERGE] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_SEND_COMMAND_FRAME] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+	[UWB_RC_CMD_SET_ASIE_NOTIF] = {
+		.size = sizeof(struct uwb_rc_evt_confirm),
+	},
+};
+
+static
+struct uwb_est_entry uwb_est_01_00xx[] = {
+	[UWB_RC_DAA_ENERGY_DETECTED] = {
+		.size = sizeof(struct uwb_rc_evt_daa_energy_detected),
+	},
+	[UWB_RC_SET_DAA_ENERGY_MASK] = {
+		.size = sizeof(struct uwb_rc_evt_set_daa_energy_mask),
+	},
+	[UWB_RC_SET_NOTIFICATION_FILTER_EX] = {
+		.size = sizeof(struct uwb_rc_evt_set_notification_filter_ex),
+	},
+};
+
+/**
+ * Initialize the EST subsystem
+ *
+ * Register the standard tables also.
+ *
+ * FIXME: tag init
+ */
+int uwb_est_create(void)
+{
+	int result;
+
+	uwb_est_size = 2;
+	uwb_est_used = 0;
+	uwb_est = kzalloc(uwb_est_size * sizeof(uwb_est[0]), GFP_KERNEL);
+	if (uwb_est == NULL)
+		return -ENOMEM;
+
+	result = uwb_est_register(UWB_RC_CET_GENERAL, 0, 0xffff, 0xffff,
+				  uwb_est_00_00xx, ARRAY_SIZE(uwb_est_00_00xx));
+	if (result < 0)
+		goto out;
+	result = uwb_est_register(UWB_RC_CET_EX_TYPE_1, 0, 0xffff, 0xffff,
+				  uwb_est_01_00xx, ARRAY_SIZE(uwb_est_01_00xx));
+out:
+	return result;
+}
+
+
+/** Clean it up */
+void uwb_est_destroy(void)
+{
+	kfree(uwb_est);
+	uwb_est = NULL;
+	uwb_est_size = uwb_est_used = 0;
+}
+
+
+/**
+ * Double the capacity of the EST table
+ *
+ * @returns 0 if ok, < 0 errno no error.
+ */
+static
+int uwb_est_grow(void)
+{
+	size_t actual_size = uwb_est_size * sizeof(uwb_est[0]);
+	void *new = kmalloc(2 * actual_size, GFP_ATOMIC);
+	if (new == NULL)
+		return -ENOMEM;
+	memcpy(new, uwb_est, actual_size);
+	memset(new + actual_size, 0, actual_size);
+	kfree(uwb_est);
+	uwb_est = new;
+	uwb_est_size *= 2;
+	return 0;
+}
+
+
+/**
+ * Register an event size table
+ *
+ * Makes room for it if the table is full, and then inserts  it in the
+ * right position (entries are sorted by type, event_high, vendor and
+ * then product).
+ *
+ * @vendor:  vendor code for matching against the device (0x0000 and
+ *           0xffff mean any); use 0x0000 to force all to match without
+ *           checking possible vendor specific ones, 0xfffff to match
+ *           after checking vendor specific ones.
+ *
+ * @product: product code from that vendor; same matching rules, use
+ *           0x0000 for not allowing vendor specific matches, 0xffff
+ *           for allowing.
+ *
+ * This arragement just makes the tables sort differenty. Because the
+ * table is sorted by growing type-event_high-vendor-product, a zero
+ * vendor will match before than a 0x456a vendor, that will match
+ * before a 0xfffff vendor.
+ *
+ * @returns 0 if ok, < 0 errno on error (-ENOENT if not found).
+ */
+/* FIXME: add bus type to vendor/product code */
+int uwb_est_register(u8 type, u8 event_high, u16 vendor, u16 product,
+		     const struct uwb_est_entry *entry, size_t entries)
+{
+	unsigned long flags;
+	unsigned itr;
+	u16 type_event_high;
+	int result = 0;
+
+	write_lock_irqsave(&uwb_est_lock, flags);
+	if (uwb_est_used == uwb_est_size) {
+		result = uwb_est_grow();
+		if (result < 0)
+			goto out;
+	}
+	/* Find the right spot to insert it in */
+	type_event_high = type << 8 | event_high;
+	for (itr = 0; itr < uwb_est_used; itr++)
+		if (uwb_est[itr].type_event_high < type
+		    && uwb_est[itr].vendor < vendor
+		    && uwb_est[itr].product < product)
+			break;
+
+	/* Shift others to make room for the new one? */
+	if (itr < uwb_est_used)
+		memmove(&uwb_est[itr+1], &uwb_est[itr], uwb_est_used - itr);
+	uwb_est[itr].type_event_high = type << 8 | event_high;
+	uwb_est[itr].vendor = vendor;
+	uwb_est[itr].product = product;
+	uwb_est[itr].entry = entry;
+	uwb_est[itr].entries = entries;
+	uwb_est_used++;
+out:
+	write_unlock_irqrestore(&uwb_est_lock, flags);
+	return result;
+}
+EXPORT_SYMBOL_GPL(uwb_est_register);
+
+
+/**
+ * Unregister an event size table
+ *
+ * This just removes the specified entry and moves the ones after it
+ * to fill in the gap. This is needed to keep the list sorted; no
+ * reallocation is done to reduce the size of the table.
+ *
+ * We unregister by all the data we used to register instead of by
+ * pointer to the @entry array because we might have used the same
+ * table for a bunch of IDs (for example).
+ *
+ * @returns 0 if ok, < 0 errno on error (-ENOENT if not found).
+ */
+int uwb_est_unregister(u8 type, u8 event_high, u16 vendor, u16 product,
+		       const struct uwb_est_entry *entry, size_t entries)
+{
+	unsigned long flags;
+	unsigned itr;
+	struct uwb_est est_cmp = {
+		.type_event_high = type << 8 | event_high,
+		.vendor = vendor,
+		.product = product,
+		.entry = entry,
+		.entries = entries
+	};
+	write_lock_irqsave(&uwb_est_lock, flags);
+	for (itr = 0; itr < uwb_est_used; itr++)
+		if (!memcmp(&uwb_est[itr], &est_cmp, sizeof(est_cmp)))
+			goto found;
+	write_unlock_irqrestore(&uwb_est_lock, flags);
+	return -ENOENT;
+
+found:
+	if (itr < uwb_est_used - 1)	/* Not last one? move ones above */
+		memmove(&uwb_est[itr], &uwb_est[itr+1], uwb_est_used - itr - 1);
+	uwb_est_used--;
+	write_unlock_irqrestore(&uwb_est_lock, flags);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uwb_est_unregister);
+
+
+/**
+ * Get the size of an event from a table
+ *
+ * @rceb: pointer to the buffer with the event
+ * @rceb_size: size of the area pointed to by @rceb in bytes.
+ * @returns: > 0      Size of the event
+ *	     -ENOSPC  An area big enough was not provided to look
+ *		      ahead into the event's guts and guess the size.
+ *	     -EINVAL  Unknown event code (wEvent).
+ *
+ * This will look at the received RCEB and guess what is the total
+ * size. For variable sized events, it will look further ahead into
+ * their length field to see how much data should be read.
+ *
+ * Note this size is *not* final--the neh (Notification/Event Handle)
+ * might specificy an extra size to add.
+ */
+static
+ssize_t uwb_est_get_size(struct uwb_rc *uwb_rc, struct uwb_est *est,
+			 u8 event_low, const struct uwb_rceb *rceb,
+			 size_t rceb_size)
+{
+	unsigned offset;
+	ssize_t size;
+	struct device *dev = &uwb_rc->uwb_dev.dev;
+	const struct uwb_est_entry *entry;
+
+	size = -ENOENT;
+	if (event_low >= est->entries) {	/* in range? */
+		if (printk_ratelimit())
+			dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
+				"event %u out of range\n",
+				est, est->type_event_high, est->vendor,
+				est->product, est->entries,
+				event_low);
+		goto out;
+	}
+	size = -ENOENT;
+	entry = &est->entry[event_low];
+	if (entry->size == 0 && entry->offset == 0) {	/* unknown? */
+		if (printk_ratelimit())
+			dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
+				"event %u unknown\n",
+				est, est->type_event_high, est->vendor,
+				est->product, est->entries, event_low);
+		goto out;
+	}
+	offset = entry->offset;	/* extra fries with that? */
+	if (offset == 0)
+		size = entry->size;
+	else {
+		/* Ops, got an extra size field at 'offset'--read it */
+		const void *ptr = rceb;
+		size_t type_size = 0;
+		offset--;
+		size = -ENOSPC;			/* enough data for more? */
+		switch (entry->type) {
+		case UWB_EST_16:  type_size = sizeof(__le16); break;
+		case UWB_EST_8:   type_size = sizeof(u8);     break;
+		default: 	 BUG();
+		}
+		if (offset + type_size >= rceb_size) {
+			if (printk_ratelimit())
+				dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
+					"not enough data to read extra size\n",
+					est, est->type_event_high, est->vendor,
+					est->product, est->entries);
+			goto out;
+		}
+		size = entry->size;
+		ptr += offset;
+		switch (entry->type) {
+		case UWB_EST_16:  size += le16_to_cpu(*(__le16 *)ptr); break;
+		case UWB_EST_8:   size += *(u8 *)ptr;                  break;
+		default: 	 BUG();
+		}
+	}
+out:
+	return size;
+}
+
+
+/**
+ * Guesses the size of a WA event
+ *
+ * @rceb: pointer to the buffer with the event
+ * @rceb_size: size of the area pointed to by @rceb in bytes.
+ * @returns: > 0      Size of the event
+ *	     -ENOSPC  An area big enough was not provided to look
+ *		      ahead into the event's guts and guess the size.
+ *	     -EINVAL  Unknown event code (wEvent).
+ *
+ * This will look at the received RCEB and guess what is the total
+ * size by checking all the tables registered with
+ * uwb_est_register(). For variable sized events, it will look further
+ * ahead into their length field to see how much data should be read.
+ *
+ * Note this size is *not* final--the neh (Notification/Event Handle)
+ * might specificy an extra size to add or replace.
+ */
+ssize_t uwb_est_find_size(struct uwb_rc *rc, const struct uwb_rceb *rceb,
+			  size_t rceb_size)
+{
+	/* FIXME: add vendor/product data */
+	ssize_t size;
+	struct device *dev = &rc->uwb_dev.dev;
+	unsigned long flags;
+	unsigned itr;
+	u16 type_event_high, event;
+	u8 *ptr = (u8 *) rceb;
+
+	read_lock_irqsave(&uwb_est_lock, flags);
+	d_printf(2, dev, "Size query for event 0x%02x/%04x/%02x,"
+		 " buffer size %ld\n",
+		 (unsigned) rceb->bEventType,
+		 (unsigned) le16_to_cpu(rceb->wEvent),
+		 (unsigned) rceb->bEventContext,
+		 (long) rceb_size);
+	size = -ENOSPC;
+	if (rceb_size < sizeof(*rceb))
+		goto out;
+	event = le16_to_cpu(rceb->wEvent);
+	type_event_high = rceb->bEventType << 8 | (event & 0xff00) >> 8;
+	for (itr = 0; itr < uwb_est_used; itr++) {
+		d_printf(3, dev, "Checking EST 0x%04x/%04x/%04x\n",
+			uwb_est[itr].type_event_high, uwb_est[itr].vendor,
+			uwb_est[itr].product);
+		if (uwb_est[itr].type_event_high != type_event_high)
+			continue;
+		size = uwb_est_get_size(rc, &uwb_est[itr],
+					event & 0x00ff, rceb, rceb_size);
+		/* try more tables that might handle the same type */
+		if (size != -ENOENT)
+			goto out;
+	}
+	/* FIXME: downgrade to _dbg() */
+	if (printk_ratelimit())
+		dev_err(dev, "event 0x%02x/%04x/%02x: no handlers available; "
+		"RCEB %02x %02x %02x %02x\n",
+			(unsigned) rceb->bEventType,
+			(unsigned) le16_to_cpu(rceb->wEvent),
+			(unsigned) rceb->bEventContext,
+			ptr[0], ptr[1], ptr[2], ptr[3]);
+	size = -ENOENT;
+out:
+	read_unlock_irqrestore(&uwb_est_lock, flags);
+	return size;
+}
+EXPORT_SYMBOL_GPL(uwb_est_find_size);
diff --git a/drivers/uwb/neh.c b/drivers/uwb/neh.c
new file mode 100644
index 00000000000..91b61480e1e
--- /dev/null
+++ b/drivers/uwb/neh.c
@@ -0,0 +1,616 @@
+/*
+ * WUSB Wire Adapter: Radio Control Interface (WUSB[8])
+ * Notification and Event Handling
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * The RC interface of the Host Wire Adapter (USB dongle) or WHCI PCI
+ * card delivers a stream of notifications and events to the
+ * notification end event endpoint or area. This code takes care of
+ * getting a buffer with that data, breaking it up in separate
+ * notifications and events and then deliver those.
+ *
+ * Events are answers to commands and they carry a context ID that
+ * associates them to the command. Notifications are that,
+ * notifications, they come out of the blue and have a context ID of
+ * zero. Think of the context ID kind of like a handler. The
+ * uwb_rc_neh_* code deals with managing context IDs.
+ *
+ * This is why you require a handle to operate on a UWB host. When you
+ * open a handle a context ID is assigned to you.
+ *
+ * So, as it is done is:
+ *
+ * 1. Add an event handler [uwb_rc_neh_add()] (assigns a ctx id)
+ * 2. Issue command [rc->cmd(rc, ...)]
+ * 3. Arm the timeout timer [uwb_rc_neh_arm()]
+ * 4, Release the reference to the neh [uwb_rc_neh_put()]
+ * 5. Wait for the callback
+ * 6. Command result (RCEB) is passed to the callback
+ *
+ * If (2) fails, you should remove the handle [uwb_rc_neh_rm()]
+ * instead of arming the timer.
+ *
+ * Handles are for using in *serialized* code, single thread.
+ *
+ * When the notification/event comes, the IRQ handler/endpoint
+ * callback passes the data read to uwb_rc_neh_grok() which will break
+ * it up in a discrete series of events, look up who is listening for
+ * them and execute the pertinent callbacks.
+ *
+ * If the reader detects an error while reading the data stream, call
+ * uwb_rc_neh_error().
+ *
+ * CONSTRAINTS/ASSUMPTIONS:
+ *
+ * - Most notifications/events are small (less thank .5k), copying
+ *   around is ok.
+ *
+ * - Notifications/events are ALWAYS smaller than PAGE_SIZE
+ *
+ * - Notifications/events always come in a single piece (ie: a buffer
+ *   will always contain entire notifications/events).
+ *
+ * - we cannot know in advance how long each event is (because they
+ *   lack a length field in their header--smart move by the standards
+ *   body, btw). So we need a facility to get the event size given the
+ *   header. This is what the EST code does (notif/Event Size
+ *   Tables), check nest.c--as well, you can associate the size to
+ *   the handle [w/ neh->extra_size()].
+ *
+ * - Most notifications/events are fixed size; only a few are variable
+ *   size (NEST takes care of that).
+ *
+ * - Listeners of events expect them, so they usually provide a
+ *   buffer, as they know the size. Listeners to notifications don't,
+ *   so we allocate their buffers dynamically.
+ */
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <linux/err.h>
+
+#include "uwb-internal.h"
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/*
+ * UWB Radio Controller Notification/Event Handle
+ *
+ * Represents an entity waiting for an event coming from the UWB Radio
+ * Controller with a given context id (context) and type (evt_type and
+ * evt). On reception of the notification/event, the callback (cb) is
+ * called with the event.
+ *
+ * If the timer expires before the event is received, the callback is
+ * called with -ETIMEDOUT as the event size.
+ */
+struct uwb_rc_neh {
+	struct kref kref;
+
+	struct uwb_rc *rc;
+	u8 evt_type;
+	__le16 evt;
+	u8 context;
+	uwb_rc_cmd_cb_f cb;
+	void *arg;
+
+	struct timer_list timer;
+	struct list_head list_node;
+};
+
+static void uwb_rc_neh_timer(unsigned long arg);
+
+static void uwb_rc_neh_release(struct kref *kref)
+{
+	struct uwb_rc_neh *neh = container_of(kref, struct uwb_rc_neh, kref);
+
+	kfree(neh);
+}
+
+static void uwb_rc_neh_get(struct uwb_rc_neh *neh)
+{
+	kref_get(&neh->kref);
+}
+
+/**
+ * uwb_rc_neh_put - release reference to a neh
+ * @neh: the neh
+ */
+void uwb_rc_neh_put(struct uwb_rc_neh *neh)
+{
+	kref_put(&neh->kref, uwb_rc_neh_release);
+}
+
+
+/**
+ * Assigns @neh a context id from @rc's pool
+ *
+ * @rc:	    UWB Radio Controller descriptor; @rc->neh_lock taken
+ * @neh:    Notification/Event Handle
+ * @returns 0 if context id was assigned ok; < 0 errno on error (if
+ *	    all the context IDs are taken).
+ *
+ * (assumes @wa is locked).
+ *
+ * NOTE: WUSB spec reserves context ids 0x00 for notifications and
+ *	 0xff is invalid, so they must not be used. Initialization
+ *	 fills up those two in the bitmap so they are not allocated.
+ *
+ * We spread the allocation around to reduce the posiblity of two
+ * consecutive opened @neh's getting the same context ID assigned (to
+ * avoid surprises with late events that timed out long time ago). So
+ * first we search from where @rc->ctx_roll is, if not found, we
+ * search from zero.
+ */
+static
+int __uwb_rc_ctx_get(struct uwb_rc *rc, struct uwb_rc_neh *neh)
+{
+	int result;
+	result = find_next_zero_bit(rc->ctx_bm, UWB_RC_CTX_MAX,
+				    rc->ctx_roll++);
+	if (result < UWB_RC_CTX_MAX)
+		goto found;
+	result = find_first_zero_bit(rc->ctx_bm, UWB_RC_CTX_MAX);
+	if (result < UWB_RC_CTX_MAX)
+		goto found;
+	return -ENFILE;
+found:
+	set_bit(result, rc->ctx_bm);
+	neh->context = result;
+	return 0;
+}
+
+
+/** Releases @neh's context ID back to @rc (@rc->neh_lock is locked). */
+static
+void __uwb_rc_ctx_put(struct uwb_rc *rc, struct uwb_rc_neh *neh)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	if (neh->context == 0)
+		return;
+	if (test_bit(neh->context, rc->ctx_bm) == 0) {
+		dev_err(dev, "context %u not set in bitmap\n",
+			neh->context);
+		WARN_ON(1);
+	}
+	clear_bit(neh->context, rc->ctx_bm);
+	neh->context = 0;
+}
+
+/**
+ * uwb_rc_neh_add - add a neh for a radio controller command
+ * @rc:             the radio controller
+ * @cmd:            the radio controller command
+ * @expected_type:  the type of the expected response event
+ * @expected_event: the expected event ID
+ * @cb:             callback for when the event is received
+ * @arg:            argument for the callback
+ *
+ * Creates a neh and adds it to the list of those waiting for an
+ * event.  A context ID will be assigned to the command.
+ */
+struct uwb_rc_neh *uwb_rc_neh_add(struct uwb_rc *rc, struct uwb_rccb *cmd,
+				  u8 expected_type, u16 expected_event,
+				  uwb_rc_cmd_cb_f cb, void *arg)
+{
+	int result;
+	unsigned long flags;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rc_neh *neh;
+
+	neh = kzalloc(sizeof(*neh), GFP_KERNEL);
+	if (neh == NULL) {
+		result = -ENOMEM;
+		goto error_kzalloc;
+	}
+
+	kref_init(&neh->kref);
+	INIT_LIST_HEAD(&neh->list_node);
+	init_timer(&neh->timer);
+	neh->timer.function = uwb_rc_neh_timer;
+	neh->timer.data     = (unsigned long)neh;
+
+	neh->rc = rc;
+	neh->evt_type = expected_type;
+	neh->evt = cpu_to_le16(expected_event);
+	neh->cb = cb;
+	neh->arg = arg;
+
+	spin_lock_irqsave(&rc->neh_lock, flags);
+	result = __uwb_rc_ctx_get(rc, neh);
+	if (result >= 0) {
+		cmd->bCommandContext = neh->context;
+		list_add_tail(&neh->list_node, &rc->neh_list);
+		uwb_rc_neh_get(neh);
+	}
+	spin_unlock_irqrestore(&rc->neh_lock, flags);
+	if (result < 0)
+		goto error_ctx_get;
+
+	return neh;
+
+error_ctx_get:
+	kfree(neh);
+error_kzalloc:
+	dev_err(dev, "cannot open handle to radio controller: %d\n", result);
+	return ERR_PTR(result);
+}
+
+static void __uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)
+{
+	del_timer(&neh->timer);
+	__uwb_rc_ctx_put(rc, neh);
+	list_del(&neh->list_node);
+}
+
+/**
+ * uwb_rc_neh_rm - remove a neh.
+ * @rc:  the radio controller
+ * @neh: the neh to remove
+ *
+ * Remove an active neh immediately instead of waiting for the event
+ * (or a time out).
+ */
+void uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&rc->neh_lock, flags);
+	__uwb_rc_neh_rm(rc, neh);
+	spin_unlock_irqrestore(&rc->neh_lock, flags);
+
+	uwb_rc_neh_put(neh);
+}
+
+/**
+ * uwb_rc_neh_arm - arm an event handler timeout timer
+ *
+ * @rc:     UWB Radio Controller
+ * @neh:    Notification/event handler for @rc
+ *
+ * The timer is only armed if the neh is active.
+ */
+void uwb_rc_neh_arm(struct uwb_rc *rc, struct uwb_rc_neh *neh)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&rc->neh_lock, flags);
+	if (neh->context)
+		mod_timer(&neh->timer,
+			  jiffies + msecs_to_jiffies(UWB_RC_CMD_TIMEOUT_MS));
+	spin_unlock_irqrestore(&rc->neh_lock, flags);
+}
+
+static void uwb_rc_neh_cb(struct uwb_rc_neh *neh, struct uwb_rceb *rceb, size_t size)
+{
+	(*neh->cb)(neh->rc, neh->arg, rceb, size);
+	uwb_rc_neh_put(neh);
+}
+
+static bool uwb_rc_neh_match(struct uwb_rc_neh *neh, const struct uwb_rceb *rceb)
+{
+	return neh->evt_type == rceb->bEventType
+		&& neh->evt == rceb->wEvent
+		&& neh->context == rceb->bEventContext;
+}
+
+/**
+ * Find the handle waiting for a RC Radio Control Event
+ *
+ * @rc:         UWB Radio Controller
+ * @rceb:       Pointer to the RCEB buffer
+ * @event_size: Pointer to the size of the RCEB buffer. Might be
+ *              adjusted to take into account the @neh->extra_size
+ *              settings.
+ *
+ * If the listener has no buffer (NULL buffer), one is allocated for
+ * the right size (the amount of data received). @neh->ptr will point
+ * to the event payload, which always starts with a 'struct
+ * uwb_rceb'. kfree() it when done.
+ */
+static
+struct uwb_rc_neh *uwb_rc_neh_lookup(struct uwb_rc *rc,
+				     const struct uwb_rceb *rceb)
+{
+	struct uwb_rc_neh *neh = NULL, *h;
+	unsigned long flags;
+
+	spin_lock_irqsave(&rc->neh_lock, flags);
+
+	list_for_each_entry(h, &rc->neh_list, list_node) {
+		if (uwb_rc_neh_match(h, rceb)) {
+			neh = h;
+			break;
+		}
+	}
+
+	if (neh)
+		__uwb_rc_neh_rm(rc, neh);
+
+	spin_unlock_irqrestore(&rc->neh_lock, flags);
+
+	return neh;
+}
+
+
+/**
+ * Process notifications coming from the radio control interface
+ *
+ * @rc:    UWB Radio Control Interface descriptor
+ * @neh:   Notification/Event Handler @neh->ptr points to
+ *         @uwb_evt->buffer.
+ *
+ * This function is called by the event/notif handling subsystem when
+ * notifications arrive (hwarc_probe() arms a notification/event handle
+ * that calls back this function for every received notification; this
+ * function then will rearm itself).
+ *
+ * Notification data buffers are dynamically allocated by the NEH
+ * handling code in neh.c [uwb_rc_neh_lookup()]. What is actually
+ * allocated is space to contain the notification data.
+ *
+ * Buffers are prefixed with a Radio Control Event Block (RCEB) as
+ * defined by the WUSB Wired-Adapter Radio Control interface. We
+ * just use it for the notification code.
+ *
+ * On each case statement we just transcode endianess of the different
+ * fields. We declare a pointer to a RCI definition of an event, and
+ * then to a UWB definition of the same event (which are the same,
+ * remember). Event if we use different pointers
+ */
+static
+void uwb_rc_notif(struct uwb_rc *rc, struct uwb_rceb *rceb, ssize_t size)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_event *uwb_evt;
+
+	if (size == -ESHUTDOWN)
+		return;
+	if (size < 0) {
+		dev_err(dev, "ignoring event with error code %zu\n",
+			size);
+		return;
+	}
+
+	uwb_evt = kzalloc(sizeof(*uwb_evt), GFP_ATOMIC);
+	if (unlikely(uwb_evt == NULL)) {
+		dev_err(dev, "no memory to queue event 0x%02x/%04x/%02x\n",
+			rceb->bEventType, le16_to_cpu(rceb->wEvent),
+			rceb->bEventContext);
+		return;
+	}
+	uwb_evt->rc = __uwb_rc_get(rc);	/* will be put by uwbd's uwbd_event_handle() */
+	uwb_evt->ts_jiffies = jiffies;
+	uwb_evt->type = UWB_EVT_TYPE_NOTIF;
+	uwb_evt->notif.size = size;
+	uwb_evt->notif.rceb = rceb;
+
+	switch (le16_to_cpu(rceb->wEvent)) {
+		/* Trap some vendor specific events
+		 *
+		 * FIXME: move this to handling in ptc-est, where we
+		 * register a NULL event handler for these two guys
+		 * using the Intel IDs.
+		 */
+	case 0x0103:
+		dev_info(dev, "FIXME: DEVICE ADD\n");
+		return;
+	case 0x0104:
+		dev_info(dev, "FIXME: DEVICE RM\n");
+		return;
+	default:
+		break;
+	}
+
+	uwbd_event_queue(uwb_evt);
+}
+
+static void uwb_rc_neh_grok_event(struct uwb_rc *rc, struct uwb_rceb *rceb, size_t size)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rc_neh *neh;
+	struct uwb_rceb *notif;
+
+	if (rceb->bEventContext == 0) {
+		notif = kmalloc(size, GFP_ATOMIC);
+		if (notif) {
+			memcpy(notif, rceb, size);
+			uwb_rc_notif(rc, notif, size);
+		} else
+			dev_err(dev, "event 0x%02x/%04x/%02x (%zu bytes): no memory\n",
+				rceb->bEventType, le16_to_cpu(rceb->wEvent),
+				rceb->bEventContext, size);
+	} else {
+		neh = uwb_rc_neh_lookup(rc, rceb);
+		if (neh)
+			uwb_rc_neh_cb(neh, rceb, size);
+		else if (printk_ratelimit())
+			dev_warn(dev, "event 0x%02x/%04x/%02x (%zu bytes): nobody cared\n",
+				 rceb->bEventType, le16_to_cpu(rceb->wEvent),
+				 rceb->bEventContext, size);
+	}
+}
+
+/**
+ * Given a buffer with one or more UWB RC events/notifications, break
+ * them up and dispatch them.
+ *
+ * @rc:	      UWB Radio Controller
+ * @buf:      Buffer with the stream of notifications/events
+ * @buf_size: Amount of data in the buffer
+ *
+ * Note each notification/event starts always with a 'struct
+ * uwb_rceb', so the minimum size if 4 bytes.
+ *
+ * The device may pass us events formatted differently than expected.
+ * These are first filtered, potentially creating a new event in a new
+ * memory location. If a new event is created by the filter it is also
+ * freed here.
+ *
+ * For each notif/event, tries to guess the size looking at the EST
+ * tables, then looks for a neh that is waiting for that event and if
+ * found, copies the payload to the neh's buffer and calls it back. If
+ * not, the data is ignored.
+ *
+ * Note that if we can't find a size description in the EST tables, we
+ * still might find a size in the 'neh' handle in uwb_rc_neh_lookup().
+ *
+ * Assumptions:
+ *
+ *   @rc->neh_lock is NOT taken
+ *
+ * We keep track of various sizes here:
+ * size:      contains the size of the buffer that is processed for the
+ *            incoming event. this buffer may contain events that are not
+ *            formatted as WHCI.
+ * real_size: the actual space taken by this event in the buffer.
+ *            We need to keep track of the real size of an event to be able to
+ *            advance the buffer correctly.
+ * event_size: the size of the event as expected by the core layer
+ *            [OR] the size of the event after filtering. if the filtering
+ *            created a new event in a new memory location then this is
+ *            effectively the size of a new event buffer
+ */
+void uwb_rc_neh_grok(struct uwb_rc *rc, void *buf, size_t buf_size)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	void *itr;
+	struct uwb_rceb *rceb;
+	size_t size, real_size, event_size;
+	int needtofree;
+
+	d_fnstart(3, dev, "(rc %p buf %p %zu buf_size)\n", rc, buf, buf_size);
+	d_printf(2, dev, "groking event block: %zu bytes\n", buf_size);
+	itr = buf;
+	size = buf_size;
+	while (size > 0) {
+		if (size < sizeof(*rceb)) {
+			dev_err(dev, "not enough data in event buffer to "
+				"process incoming events (%zu left, minimum is "
+				"%zu)\n", size, sizeof(*rceb));
+			break;
+		}
+
+		rceb = itr;
+		if (rc->filter_event) {
+			needtofree = rc->filter_event(rc, &rceb, size,
+						      &real_size, &event_size);
+			if (needtofree < 0 && needtofree != -ENOANO) {
+				dev_err(dev, "BUG: Unable to filter event "
+					"(0x%02x/%04x/%02x) from "
+					"device. \n", rceb->bEventType,
+					le16_to_cpu(rceb->wEvent),
+					rceb->bEventContext);
+				break;
+			}
+		} else
+			needtofree = -ENOANO;
+		/* do real processing if there was no filtering or the
+		 * filtering didn't act */
+		if (needtofree == -ENOANO) {
+			ssize_t ret = uwb_est_find_size(rc, rceb, size);
+			if (ret < 0)
+				break;
+			if (ret > size) {
+				dev_err(dev, "BUG: hw sent incomplete event "
+					"0x%02x/%04x/%02x (%zd bytes), only got "
+					"%zu bytes. We don't handle that.\n",
+					rceb->bEventType, le16_to_cpu(rceb->wEvent),
+					rceb->bEventContext, ret, size);
+				break;
+			}
+			real_size = event_size = ret;
+		}
+		uwb_rc_neh_grok_event(rc, rceb, event_size);
+
+		if (needtofree == 1)
+			kfree(rceb);
+
+		itr += real_size;
+		size -= real_size;
+		d_printf(2, dev, "consumed %zd bytes, %zu left\n",
+			 event_size, size);
+	}
+	d_fnend(3, dev, "(rc %p buf %p %zu buf_size) = void\n", rc, buf, buf_size);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_neh_grok);
+
+
+/**
+ * The entity that reads from the device notification/event channel has
+ * detected an error.
+ *
+ * @rc:    UWB Radio Controller
+ * @error: Errno error code
+ *
+ */
+void uwb_rc_neh_error(struct uwb_rc *rc, int error)
+{
+	struct uwb_rc_neh *neh, *next;
+	unsigned long flags;
+
+	BUG_ON(error >= 0);
+	spin_lock_irqsave(&rc->neh_lock, flags);
+	list_for_each_entry_safe(neh, next, &rc->neh_list, list_node) {
+		__uwb_rc_neh_rm(rc, neh);
+		uwb_rc_neh_cb(neh, NULL, error);
+	}
+	spin_unlock_irqrestore(&rc->neh_lock, flags);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_neh_error);
+
+
+static void uwb_rc_neh_timer(unsigned long arg)
+{
+	struct uwb_rc_neh *neh = (struct uwb_rc_neh *)arg;
+	struct uwb_rc *rc = neh->rc;
+	unsigned long flags;
+
+	spin_lock_irqsave(&rc->neh_lock, flags);
+	__uwb_rc_neh_rm(rc, neh);
+	spin_unlock_irqrestore(&rc->neh_lock, flags);
+
+	uwb_rc_neh_cb(neh, NULL, -ETIMEDOUT);
+}
+
+/** Initializes the @rc's neh subsystem
+ */
+void uwb_rc_neh_create(struct uwb_rc *rc)
+{
+	spin_lock_init(&rc->neh_lock);
+	INIT_LIST_HEAD(&rc->neh_list);
+	set_bit(0, rc->ctx_bm);		/* 0 is reserved (see [WUSB] table 8-65) */
+	set_bit(0xff, rc->ctx_bm);	/* and 0xff is invalid */
+	rc->ctx_roll = 1;
+}
+
+
+/** Release's the @rc's neh subsystem */
+void uwb_rc_neh_destroy(struct uwb_rc *rc)
+{
+	unsigned long flags;
+	struct uwb_rc_neh *neh, *next;
+
+	spin_lock_irqsave(&rc->neh_lock, flags);
+	list_for_each_entry_safe(neh, next, &rc->neh_list, list_node) {
+		__uwb_rc_neh_rm(rc, neh);
+		uwb_rc_neh_put(neh);
+	}
+	spin_unlock_irqrestore(&rc->neh_lock, flags);
+}
diff --git a/drivers/uwb/reset.c b/drivers/uwb/reset.c
new file mode 100644
index 00000000000..8de856fa795
--- /dev/null
+++ b/drivers/uwb/reset.c
@@ -0,0 +1,362 @@
+/*
+ * Ultra Wide Band
+ * UWB basic command support and radio reset
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME:
+ *
+ *  - docs
+ *
+ *  - Now we are serializing (using the uwb_dev->mutex) the command
+ *    execution; it should be parallelized as much as possible some
+ *    day.
+ */
+#include <linux/kernel.h>
+#include <linux/err.h>
+
+#include "uwb-internal.h"
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/**
+ * Command result codes (WUSB1.0[T8-69])
+ */
+static
+const char *__strerror[] = {
+	"success",
+	"failure",
+	"hardware failure",
+	"no more slots",
+	"beacon is too large",
+	"invalid parameter",
+	"unsupported power level",
+	"time out (wa) or invalid ie data (whci)",
+	"beacon size exceeded",
+	"cancelled",
+	"invalid state",
+	"invalid size",
+	"ack not recieved",
+	"no more asie notification",
+};
+
+
+/** Return a string matching the given error code */
+const char *uwb_rc_strerror(unsigned code)
+{
+	if (code == 255)
+		return "time out";
+	if (code >= ARRAY_SIZE(__strerror))
+		return "unknown error";
+	return __strerror[code];
+}
+
+int uwb_rc_cmd_async(struct uwb_rc *rc, const char *cmd_name,
+		     struct uwb_rccb *cmd, size_t cmd_size,
+		     u8 expected_type, u16 expected_event,
+		     uwb_rc_cmd_cb_f cb, void *arg)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rc_neh *neh;
+	int needtofree = 0;
+	int result;
+
+	uwb_dev_lock(&rc->uwb_dev);	/* Protect against rc->priv being removed */
+	if (rc->priv == NULL) {
+		uwb_dev_unlock(&rc->uwb_dev);
+		return -ESHUTDOWN;
+	}
+
+	if (rc->filter_cmd) {
+		needtofree = rc->filter_cmd(rc, &cmd, &cmd_size);
+		if (needtofree < 0 && needtofree != -ENOANO) {
+			dev_err(dev, "%s: filter error: %d\n",
+				cmd_name, needtofree);
+			uwb_dev_unlock(&rc->uwb_dev);
+			return needtofree;
+		}
+	}
+
+	neh = uwb_rc_neh_add(rc, cmd, expected_type, expected_event, cb, arg);
+	if (IS_ERR(neh)) {
+		result = PTR_ERR(neh);
+		goto out;
+	}
+
+	result = rc->cmd(rc, cmd, cmd_size);
+	uwb_dev_unlock(&rc->uwb_dev);
+	if (result < 0)
+		uwb_rc_neh_rm(rc, neh);
+	else
+		uwb_rc_neh_arm(rc, neh);
+	uwb_rc_neh_put(neh);
+out:
+	if (needtofree == 1)
+		kfree(cmd);
+	return result < 0 ? result : 0;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_cmd_async);
+
+struct uwb_rc_cmd_done_params {
+	struct completion completion;
+	struct uwb_rceb *reply;
+	ssize_t reply_size;
+};
+
+static void uwb_rc_cmd_done(struct uwb_rc *rc, void *arg,
+			    struct uwb_rceb *reply, ssize_t reply_size)
+{
+	struct uwb_rc_cmd_done_params *p = (struct uwb_rc_cmd_done_params *)arg;
+
+	if (reply_size > 0) {
+		if (p->reply)
+			reply_size = min(p->reply_size, reply_size);
+		else
+			p->reply = kmalloc(reply_size, GFP_ATOMIC);
+
+		if (p->reply)
+			memcpy(p->reply, reply, reply_size);
+		else
+			reply_size = -ENOMEM;
+	}
+	p->reply_size = reply_size;
+	complete(&p->completion);
+}
+
+
+/**
+ * Generic function for issuing commands to the Radio Control Interface
+ *
+ * @rc:       UWB Radio Control descriptor
+ * @cmd_name: Name of the command being issued (for error messages)
+ * @cmd:      Pointer to rccb structure containing the command;
+ *            normally you embed this structure as the first member of
+ *            the full command structure.
+ * @cmd_size: Size of the whole command buffer pointed to by @cmd.
+ * @reply:    Pointer to where to store the reply
+ * @reply_size: @reply's size
+ * @expected_type: Expected type in the return event
+ * @expected_event: Expected event code in the return event
+ * @preply:   Here a pointer to where the event data is received will
+ *            be stored. Once done with the data, free with kfree().
+ *
+ * This function is generic; it works for commands that return a fixed
+ * and known size or for commands that return a variable amount of data.
+ *
+ * If a buffer is provided, that is used, although it could be chopped
+ * to the maximum size of the buffer. If the buffer is NULL, then one
+ * be allocated in *preply with the whole contents of the reply.
+ *
+ * @rc needs to be referenced
+ */
+static
+ssize_t __uwb_rc_cmd(struct uwb_rc *rc, const char *cmd_name,
+		     struct uwb_rccb *cmd, size_t cmd_size,
+		     struct uwb_rceb *reply, size_t reply_size,
+		     u8 expected_type, u16 expected_event,
+		     struct uwb_rceb **preply)
+{
+	ssize_t result = 0;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rc_cmd_done_params params;
+
+	init_completion(&params.completion);
+	params.reply = reply;
+	params.reply_size = reply_size;
+
+	result = uwb_rc_cmd_async(rc, cmd_name, cmd, cmd_size,
+				  expected_type, expected_event,
+				  uwb_rc_cmd_done, &params);
+	if (result)
+		return result;
+
+	wait_for_completion(&params.completion);
+
+	if (preply)
+		*preply = params.reply;
+
+	if (params.reply_size < 0)
+		dev_err(dev, "%s: confirmation event 0x%02x/%04x/%02x "
+			"reception failed: %d\n", cmd_name,
+			expected_type, expected_event, cmd->bCommandContext,
+			(int)params.reply_size);
+	return params.reply_size;
+}
+
+
+/**
+ * Generic function for issuing commands to the Radio Control Interface
+ *
+ * @rc:       UWB Radio Control descriptor
+ * @cmd_name: Name of the command being issued (for error messages)
+ * @cmd:      Pointer to rccb structure containing the command;
+ *            normally you embed this structure as the first member of
+ *            the full command structure.
+ * @cmd_size: Size of the whole command buffer pointed to by @cmd.
+ * @reply:    Pointer to the beginning of the confirmation event
+ *            buffer. Normally bigger than an 'struct hwarc_rceb'.
+ *            You need to fill out reply->bEventType and reply->wEvent (in
+ *            cpu order) as the function will use them to verify the
+ *            confirmation event.
+ * @reply_size: Size of the reply buffer
+ *
+ * The function checks that the length returned in the reply is at
+ * least as big as @reply_size; if not, it will be deemed an error and
+ * -EIO returned.
+ *
+ * @rc needs to be referenced
+ */
+ssize_t uwb_rc_cmd(struct uwb_rc *rc, const char *cmd_name,
+		   struct uwb_rccb *cmd, size_t cmd_size,
+		   struct uwb_rceb *reply, size_t reply_size)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	ssize_t result;
+
+	result = __uwb_rc_cmd(rc, cmd_name,
+			      cmd, cmd_size, reply, reply_size,
+			      reply->bEventType, reply->wEvent, NULL);
+
+	if (result > 0 && result < reply_size) {
+		dev_err(dev, "%s: not enough data returned for decoding reply "
+			"(%zu bytes received vs at least %zu needed)\n",
+			cmd_name, result, reply_size);
+		result = -EIO;
+	}
+	return result;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_cmd);
+
+
+/**
+ * Generic function for issuing commands to the Radio Control
+ * Interface that return an unknown amount of data
+ *
+ * @rc:       UWB Radio Control descriptor
+ * @cmd_name: Name of the command being issued (for error messages)
+ * @cmd:      Pointer to rccb structure containing the command;
+ *            normally you embed this structure as the first member of
+ *            the full command structure.
+ * @cmd_size: Size of the whole command buffer pointed to by @cmd.
+ * @expected_type: Expected type in the return event
+ * @expected_event: Expected event code in the return event
+ * @preply:   Here a pointer to where the event data is received will
+ *            be stored. Once done with the data, free with kfree().
+ *
+ * The function checks that the length returned in the reply is at
+ * least as big as a 'struct uwb_rceb *'; if not, it will be deemed an
+ * error and -EIO returned.
+ *
+ * @rc needs to be referenced
+ */
+ssize_t uwb_rc_vcmd(struct uwb_rc *rc, const char *cmd_name,
+		    struct uwb_rccb *cmd, size_t cmd_size,
+		    u8 expected_type, u16 expected_event,
+		    struct uwb_rceb **preply)
+{
+	return __uwb_rc_cmd(rc, cmd_name, cmd, cmd_size, NULL, 0,
+			    expected_type, expected_event, preply);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_vcmd);
+
+
+/**
+ * Reset a UWB Host Controller (and all radio settings)
+ *
+ * @rc:      Host Controller descriptor
+ * @returns: 0 if ok, < 0 errno code on error
+ *
+ * We put the command on kmalloc'ed memory as some arches cannot do
+ * USB from the stack. The reply event is copied from an stage buffer,
+ * so it can be in the stack. See WUSB1.0[8.6.2.4] for more details.
+ */
+int uwb_rc_reset(struct uwb_rc *rc)
+{
+	int result = -ENOMEM;
+	struct uwb_rc_evt_confirm reply;
+	struct uwb_rccb *cmd;
+	size_t cmd_size = sizeof(*cmd);
+
+	mutex_lock(&rc->uwb_dev.mutex);
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		goto error_kzalloc;
+	cmd->bCommandType = UWB_RC_CET_GENERAL;
+	cmd->wCommand = cpu_to_le16(UWB_RC_CMD_RESET);
+	reply.rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply.rceb.wEvent = UWB_RC_CMD_RESET;
+	result = uwb_rc_cmd(rc, "RESET", cmd, cmd_size,
+			    &reply.rceb, sizeof(reply));
+	if (result < 0)
+		goto error_cmd;
+	if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(&rc->uwb_dev.dev,
+			"RESET: command execution failed: %s (%d)\n",
+			uwb_rc_strerror(reply.bResultCode), reply.bResultCode);
+		result = -EIO;
+	}
+error_cmd:
+	kfree(cmd);
+error_kzalloc:
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return result;
+}
+
+int uwbd_msg_handle_reset(struct uwb_event *evt)
+{
+	struct uwb_rc *rc = evt->rc;
+	int ret;
+
+	/* Need to prevent the RC hardware module going away while in
+	   the rc->reset() call. */
+	if (!try_module_get(rc->owner))
+		return 0;
+
+	dev_info(&rc->uwb_dev.dev, "resetting radio controller\n");
+	ret = rc->reset(rc);
+	if (ret)
+		dev_err(&rc->uwb_dev.dev, "failed to reset hardware: %d\n", ret);
+
+	module_put(rc->owner);
+	return ret;
+}
+
+/**
+ * uwb_rc_reset_all - request a reset of the radio controller and PALs
+ * @rc: the radio controller of the hardware device to be reset.
+ *
+ * The full hardware reset of the radio controller and all the PALs
+ * will be scheduled.
+ */
+void uwb_rc_reset_all(struct uwb_rc *rc)
+{
+	struct uwb_event *evt;
+
+	evt = kzalloc(sizeof(struct uwb_event), GFP_ATOMIC);
+	if (unlikely(evt == NULL))
+		return;
+
+	evt->rc = __uwb_rc_get(rc);	/* will be put by uwbd's uwbd_event_handle() */
+	evt->ts_jiffies = jiffies;
+	evt->type = UWB_EVT_TYPE_MSG;
+	evt->message = UWB_EVT_MSG_RESET;
+
+	uwbd_event_queue(evt);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_reset_all);
-- 
GitLab


From 22d203ecef9b0cc1fa8d8f64c935b451ca7d1022 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:08 +0100
Subject: [PATCH 0158/2224] uwb: add the UWB stack (MLME)

Most of the MAC Layer Management Entity (MLME) support: address, beacon, IE
and scan management.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/address.c | 374 ++++++++++++++++++++++++
 drivers/uwb/beacon.c  | 644 ++++++++++++++++++++++++++++++++++++++++++
 drivers/uwb/ie.c      | 570 +++++++++++++++++++++++++++++++++++++
 drivers/uwb/scan.c    | 133 +++++++++
 4 files changed, 1721 insertions(+)
 create mode 100644 drivers/uwb/address.c
 create mode 100644 drivers/uwb/beacon.c
 create mode 100644 drivers/uwb/ie.c
 create mode 100644 drivers/uwb/scan.c

diff --git a/drivers/uwb/address.c b/drivers/uwb/address.c
new file mode 100644
index 00000000000..1664ae5f170
--- /dev/null
+++ b/drivers/uwb/address.c
@@ -0,0 +1,374 @@
+/*
+ * Ultra Wide Band
+ * Address management
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/random.h>
+#include <linux/etherdevice.h>
+#include <linux/uwb/debug.h>
+#include "uwb-internal.h"
+
+
+/** Device Address Management command */
+struct uwb_rc_cmd_dev_addr_mgmt {
+	struct uwb_rccb rccb;
+	u8 bmOperationType;
+	u8 baAddr[6];
+} __attribute__((packed));
+
+
+/**
+ * Low level command for setting/getting UWB radio's addresses
+ *
+ * @hwarc:	HWA Radio Control interface instance
+ * @bmOperationType:
+ * 		Set/get, MAC/DEV (see WUSB1.0[8.6.2.2])
+ * @baAddr:	address buffer--assumed to have enough data to hold
+ *              the address type requested.
+ * @reply:	Pointer to reply buffer (can be stack allocated)
+ * @returns:	0 if ok, < 0 errno code on error.
+ *
+ * @cmd has to be allocated because USB cannot grok USB or vmalloc
+ * buffers depending on your combination of host architecture.
+ */
+static
+int uwb_rc_dev_addr_mgmt(struct uwb_rc *rc,
+			 u8 bmOperationType, const u8 *baAddr,
+			 struct uwb_rc_evt_dev_addr_mgmt *reply)
+{
+	int result;
+	struct uwb_rc_cmd_dev_addr_mgmt *cmd;
+
+	result = -ENOMEM;
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		goto error_kzalloc;
+	cmd->rccb.bCommandType = UWB_RC_CET_GENERAL;
+	cmd->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_DEV_ADDR_MGMT);
+	cmd->bmOperationType = bmOperationType;
+	if (baAddr) {
+		size_t size = 0;
+		switch (bmOperationType >> 1) {
+		case 0:	size = 2; break;
+		case 1:	size = 6; break;
+		default: BUG();
+		}
+		memcpy(cmd->baAddr, baAddr, size);
+	}
+	reply->rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply->rceb.wEvent = UWB_RC_CMD_DEV_ADDR_MGMT;
+	result = uwb_rc_cmd(rc, "DEV-ADDR-MGMT",
+			    &cmd->rccb, sizeof(*cmd),
+			    &reply->rceb, sizeof(*reply));
+	if (result < 0)
+		goto error_cmd;
+	if (result < sizeof(*reply)) {
+		dev_err(&rc->uwb_dev.dev,
+			"DEV-ADDR-MGMT: not enough data replied: "
+			"%d vs %zu bytes needed\n", result, sizeof(*reply));
+		result = -ENOMSG;
+	} else if (reply->bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(&rc->uwb_dev.dev,
+			"DEV-ADDR-MGMT: command execution failed: %s (%d)\n",
+			uwb_rc_strerror(reply->bResultCode),
+			reply->bResultCode);
+		result = -EIO;
+	} else
+		result = 0;
+error_cmd:
+	kfree(cmd);
+error_kzalloc:
+	return result;
+}
+
+
+/**
+ * Set the UWB RC MAC or device address.
+ *
+ * @rc:      UWB Radio Controller
+ * @_addr:   Pointer to address to write [assumed to be either a
+ *           'struct uwb_mac_addr *' or a 'struct uwb_dev_addr *'].
+ * @type:    Type of address to set (UWB_ADDR_DEV or UWB_ADDR_MAC).
+ * @returns: 0 if ok, < 0 errno code on error.
+ *
+ * Some anal retentivity here: even if both 'struct
+ * uwb_{dev,mac}_addr' have the actual byte array in the same offset
+ * and I could just pass _addr to hwarc_cmd_dev_addr_mgmt(), I prefer
+ * to use some syntatic sugar in case someday we decide to change the
+ * format of the structs. The compiler will optimize it out anyway.
+ */
+static int uwb_rc_addr_set(struct uwb_rc *rc,
+		    const void *_addr, enum uwb_addr_type type)
+{
+	int result;
+	u8 bmOperationType = 0x1; 		/* Set address */
+	const struct uwb_dev_addr *dev_addr = _addr;
+	const struct uwb_mac_addr *mac_addr = _addr;
+	struct uwb_rc_evt_dev_addr_mgmt reply;
+	const u8 *baAddr;
+
+	result = -EINVAL;
+	switch (type) {
+	case UWB_ADDR_DEV:
+		baAddr = dev_addr->data;
+		break;
+	case UWB_ADDR_MAC:
+		baAddr = mac_addr->data;
+		bmOperationType |= 0x2;
+		break;
+	default:
+		return result;
+	}
+	return uwb_rc_dev_addr_mgmt(rc, bmOperationType, baAddr, &reply);
+}
+
+
+/**
+ * Get the UWB radio's MAC or device address.
+ *
+ * @rc:      UWB Radio Controller
+ * @_addr:   Where to write the address data [assumed to be either a
+ *           'struct uwb_mac_addr *' or a 'struct uwb_dev_addr *'].
+ * @type:    Type of address to get (UWB_ADDR_DEV or UWB_ADDR_MAC).
+ * @returns: 0 if ok (and *_addr set), < 0 errno code on error.
+ *
+ * See comment in uwb_rc_addr_set() about anal retentivity in the
+ * type handling of the address variables.
+ */
+static int uwb_rc_addr_get(struct uwb_rc *rc,
+		    void *_addr, enum uwb_addr_type type)
+{
+	int result;
+	u8 bmOperationType = 0x0; 		/* Get address */
+	struct uwb_rc_evt_dev_addr_mgmt evt;
+	struct uwb_dev_addr *dev_addr = _addr;
+	struct uwb_mac_addr *mac_addr = _addr;
+	u8 *baAddr;
+
+	result = -EINVAL;
+	switch (type) {
+	case UWB_ADDR_DEV:
+		baAddr = dev_addr->data;
+		break;
+	case UWB_ADDR_MAC:
+		bmOperationType |= 0x2;
+		baAddr = mac_addr->data;
+		break;
+	default:
+		return result;
+	}
+	result = uwb_rc_dev_addr_mgmt(rc, bmOperationType, baAddr, &evt);
+	if (result == 0)
+		switch (type) {
+		case UWB_ADDR_DEV:
+			memcpy(&dev_addr->data, evt.baAddr,
+			       sizeof(dev_addr->data));
+			break;
+		case UWB_ADDR_MAC:
+			memcpy(&mac_addr->data, evt.baAddr,
+			       sizeof(mac_addr->data));
+			break;
+		default:		/* shut gcc up */
+			BUG();
+		}
+	return result;
+}
+
+
+/** Get @rc's MAC address to @addr */
+int uwb_rc_mac_addr_get(struct uwb_rc *rc,
+			struct uwb_mac_addr *addr) {
+	return uwb_rc_addr_get(rc, addr, UWB_ADDR_MAC);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_mac_addr_get);
+
+
+/** Get @rc's device address to @addr */
+int uwb_rc_dev_addr_get(struct uwb_rc *rc,
+			struct uwb_dev_addr *addr) {
+	return uwb_rc_addr_get(rc, addr, UWB_ADDR_DEV);
+}
+EXPORT_SYMBOL_GPL(uwb_rc_dev_addr_get);
+
+
+/** Set @rc's address to @addr */
+int uwb_rc_mac_addr_set(struct uwb_rc *rc,
+			const struct uwb_mac_addr *addr)
+{
+	int result = -EINVAL;
+	mutex_lock(&rc->uwb_dev.mutex);
+	result = uwb_rc_addr_set(rc, addr, UWB_ADDR_MAC);
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return result;
+}
+
+
+/** Set @rc's address to @addr */
+int uwb_rc_dev_addr_set(struct uwb_rc *rc,
+			const struct uwb_dev_addr *addr)
+{
+	int result = -EINVAL;
+	mutex_lock(&rc->uwb_dev.mutex);
+	result = uwb_rc_addr_set(rc, addr, UWB_ADDR_DEV);
+	rc->uwb_dev.dev_addr = *addr;
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return result;
+}
+
+/* Returns !0 if given address is already assigned to device. */
+int __uwb_mac_addr_assigned_check(struct device *dev, void *_addr)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_mac_addr *addr = _addr;
+
+	if (!uwb_mac_addr_cmp(addr, &uwb_dev->mac_addr))
+		return !0;
+	return 0;
+}
+
+/* Returns !0 if given address is already assigned to device. */
+int __uwb_dev_addr_assigned_check(struct device *dev, void *_addr)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_dev_addr *addr = _addr;
+	if (!uwb_dev_addr_cmp(addr, &uwb_dev->dev_addr))
+		return !0;
+	return 0;
+}
+
+/**
+ * uwb_dev_addr_assign - assigned a generated DevAddr to a radio controller
+ * @rc:      the (local) radio controller device requiring a new DevAddr
+ *
+ * A new DevAddr is required when:
+ *    - first setting up a radio controller
+ *    - if the hardware reports a DevAddr conflict
+ *
+ * The DevAddr is randomly generated in the generated DevAddr range
+ * [0x100, 0xfeff]. The number of devices in a beacon group is limited
+ * by mMaxBPLength (96) so this address space will never be exhausted.
+ *
+ * [ECMA-368] 17.1.1, 17.16.
+ */
+int uwb_rc_dev_addr_assign(struct uwb_rc *rc)
+{
+	struct uwb_dev_addr new_addr;
+
+	do {
+		get_random_bytes(new_addr.data, sizeof(new_addr.data));
+	} while (new_addr.data[0] == 0x00 || new_addr.data[0] == 0xff
+		 || __uwb_dev_addr_assigned(rc, &new_addr));
+
+	return uwb_rc_dev_addr_set(rc, &new_addr);
+}
+
+/**
+ * uwbd_evt_handle_rc_dev_addr_conflict - handle a DEV_ADDR_CONFLICT event
+ * @evt: the DEV_ADDR_CONFLICT notification from the radio controller
+ *
+ * A new (non-conflicting) DevAddr is assigned to the radio controller.
+ *
+ * [ECMA-368] 17.1.1.1.
+ */
+int uwbd_evt_handle_rc_dev_addr_conflict(struct uwb_event *evt)
+{
+	struct uwb_rc *rc = evt->rc;
+
+	return uwb_rc_dev_addr_assign(rc);
+}
+
+/*
+ * Print the 48-bit EUI MAC address of the radio controller when
+ * reading /sys/class/uwb_rc/XX/mac_address
+ */
+static ssize_t uwb_rc_mac_addr_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_rc *rc = uwb_dev->rc;
+	struct uwb_mac_addr addr;
+	ssize_t result;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+	result = uwb_rc_addr_get(rc, &addr, UWB_ADDR_MAC);
+	mutex_unlock(&rc->uwb_dev.mutex);
+	if (result >= 0) {
+		result = uwb_mac_addr_print(buf, UWB_ADDR_STRSIZE, &addr);
+		buf[result++] = '\n';
+	}
+	return result;
+}
+
+/*
+ * Parse a 48 bit address written to /sys/class/uwb_rc/XX/mac_address
+ * and if correct, set it.
+ */
+static ssize_t uwb_rc_mac_addr_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t size)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_rc *rc = uwb_dev->rc;
+	struct uwb_mac_addr addr;
+	ssize_t result;
+
+	result = sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx\n",
+			&addr.data[0], &addr.data[1], &addr.data[2],
+			&addr.data[3], &addr.data[4], &addr.data[5]);
+	if (result != 6) {
+		result = -EINVAL;
+		goto out;
+	}
+	if (is_multicast_ether_addr(addr.data)) {
+		dev_err(&rc->uwb_dev.dev, "refusing to set multicast "
+			"MAC address %s\n", buf);
+		result = -EINVAL;
+		goto out;
+	}
+	result = uwb_rc_mac_addr_set(rc, &addr);
+	if (result == 0)
+		rc->uwb_dev.mac_addr = addr;
+out:
+	return result < 0 ? result : size;
+}
+DEVICE_ATTR(mac_address, S_IRUGO | S_IWUSR, uwb_rc_mac_addr_show, uwb_rc_mac_addr_store);
+
+/** Print @addr to @buf, @return bytes written */
+size_t __uwb_addr_print(char *buf, size_t buf_size, const unsigned char *addr,
+			int type)
+{
+	size_t result;
+	if (type)
+		result = scnprintf(buf, buf_size,
+				  "%02x:%02x:%02x:%02x:%02x:%02x",
+				  addr[0], addr[1], addr[2],
+				  addr[3], addr[4], addr[5]);
+	else
+		result = scnprintf(buf, buf_size, "%02x:%02x",
+				  addr[1], addr[0]);
+	return result;
+}
+EXPORT_SYMBOL_GPL(__uwb_addr_print);
diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c
new file mode 100644
index 00000000000..f65a52c0afa
--- /dev/null
+++ b/drivers/uwb/beacon.c
@@ -0,0 +1,644 @@
+/*
+ * Ultra Wide Band
+ * Beacon management
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/kdev_t.h>
+#include "uwb-internal.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/** Start Beaconing command structure */
+struct uwb_rc_cmd_start_beacon {
+	struct uwb_rccb rccb;
+	__le16 wBPSTOffset;
+	u8 bChannelNumber;
+} __attribute__((packed));
+
+
+static int uwb_rc_start_beacon(struct uwb_rc *rc, u16 bpst_offset, u8 channel)
+{
+	int result;
+	struct uwb_rc_cmd_start_beacon *cmd;
+	struct uwb_rc_evt_confirm reply;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+	cmd->rccb.bCommandType = UWB_RC_CET_GENERAL;
+	cmd->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_START_BEACON);
+	cmd->wBPSTOffset = cpu_to_le16(bpst_offset);
+	cmd->bChannelNumber = channel;
+	reply.rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply.rceb.wEvent = UWB_RC_CMD_START_BEACON;
+	result = uwb_rc_cmd(rc, "START-BEACON", &cmd->rccb, sizeof(*cmd),
+			    &reply.rceb, sizeof(reply));
+	if (result < 0)
+		goto error_cmd;
+	if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(&rc->uwb_dev.dev,
+			"START-BEACON: command execution failed: %s (%d)\n",
+			uwb_rc_strerror(reply.bResultCode), reply.bResultCode);
+		result = -EIO;
+	}
+error_cmd:
+	kfree(cmd);
+	return result;
+}
+
+static int uwb_rc_stop_beacon(struct uwb_rc *rc)
+{
+	int result;
+	struct uwb_rccb *cmd;
+	struct uwb_rc_evt_confirm reply;
+
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+	cmd->bCommandType = UWB_RC_CET_GENERAL;
+	cmd->wCommand = cpu_to_le16(UWB_RC_CMD_STOP_BEACON);
+	reply.rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply.rceb.wEvent = UWB_RC_CMD_STOP_BEACON;
+	result = uwb_rc_cmd(rc, "STOP-BEACON", cmd, sizeof(*cmd),
+			    &reply.rceb, sizeof(reply));
+	if (result < 0)
+		goto error_cmd;
+	if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(&rc->uwb_dev.dev,
+			"STOP-BEACON: command execution failed: %s (%d)\n",
+			uwb_rc_strerror(reply.bResultCode), reply.bResultCode);
+		result = -EIO;
+	}
+error_cmd:
+	kfree(cmd);
+	return result;
+}
+
+/*
+ * Start/stop beacons
+ *
+ * @rc:          UWB Radio Controller to operate on
+ * @channel:     UWB channel on which to beacon (WUSB[table
+ *               5-12]). If -1, stop beaconing.
+ * @bpst_offset: Beacon Period Start Time offset; FIXME-do zero
+ *
+ * According to WHCI 0.95 [4.13.6] the driver will only receive the RCEB
+ * of a SET IE command after the device sent the first beacon that includes
+ * the IEs specified in the SET IE command. So, after we start beaconing we
+ * check if there is anything in the IE cache and call the SET IE command
+ * if needed.
+ */
+int uwb_rc_beacon(struct uwb_rc *rc, int channel, unsigned bpst_offset)
+{
+	int result;
+	struct device *dev = &rc->uwb_dev.dev;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+	if (channel < 0)
+		channel = -1;
+	if (channel == -1)
+		result = uwb_rc_stop_beacon(rc);
+	else {
+		/* channel >= 0...dah */
+		result = uwb_rc_start_beacon(rc, bpst_offset, channel);
+		if (result < 0)
+			goto out_up;
+		if (le16_to_cpu(rc->ies->wIELength) > 0) {
+			result = uwb_rc_set_ie(rc, rc->ies);
+			if (result < 0) {
+				dev_err(dev, "Cannot set new IE on device: "
+					"%d\n", result);
+				result = uwb_rc_stop_beacon(rc);
+				channel = -1;
+				bpst_offset = 0;
+			} else
+				result = 0;
+		}
+	}
+
+	if (result < 0)
+		goto out_up;
+	rc->beaconing = channel;
+
+	uwb_notify(rc, NULL, uwb_bg_joined(rc) ? UWB_NOTIF_BG_JOIN : UWB_NOTIF_BG_LEAVE);
+
+out_up:
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return result;
+}
+
+/*
+ * Beacon cache
+ *
+ * The purpose of this is to speed up the lookup of becon information
+ * when a new beacon arrives. The UWB Daemon uses it also to keep a
+ * tab of which devices are in radio distance and which not. When a
+ * device's beacon stays present for more than a certain amount of
+ * time, it is considered a new, usable device. When a beacon ceases
+ * to be received for a certain amount of time, it is considered that
+ * the device is gone.
+ *
+ * FIXME: use an allocator for the entries
+ * FIXME: use something faster for search than a list
+ */
+
+struct uwb_beca uwb_beca = {
+	.list = LIST_HEAD_INIT(uwb_beca.list),
+	.mutex = __MUTEX_INITIALIZER(uwb_beca.mutex)
+};
+
+
+void uwb_bce_kfree(struct kref *_bce)
+{
+	struct uwb_beca_e *bce = container_of(_bce, struct uwb_beca_e, refcnt);
+
+	kfree(bce->be);
+	kfree(bce);
+}
+
+
+/* Find a beacon by dev addr in the cache */
+static
+struct uwb_beca_e *__uwb_beca_find_bydev(const struct uwb_dev_addr *dev_addr)
+{
+	struct uwb_beca_e *bce, *next;
+	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
+		d_printf(6, NULL, "looking for addr %02x:%02x in %02x:%02x\n",
+			 dev_addr->data[0], dev_addr->data[1],
+			 bce->dev_addr.data[0], bce->dev_addr.data[1]);
+		if (!memcmp(&bce->dev_addr, dev_addr, sizeof(bce->dev_addr)))
+			goto out;
+	}
+	bce = NULL;
+out:
+	return bce;
+}
+
+/* Find a beacon by dev addr in the cache */
+static
+struct uwb_beca_e *__uwb_beca_find_bymac(const struct uwb_mac_addr *mac_addr)
+{
+	struct uwb_beca_e *bce, *next;
+	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
+		if (!memcmp(bce->mac_addr, mac_addr->data,
+			    sizeof(bce->mac_addr)))
+			goto out;
+	}
+	bce = NULL;
+out:
+	return bce;
+}
+
+/**
+ * uwb_dev_get_by_devaddr - get a UWB device with a specific DevAddr
+ * @rc:      the radio controller that saw the device
+ * @devaddr: DevAddr of the UWB device to find
+ *
+ * There may be more than one matching device (in the case of a
+ * DevAddr conflict), but only the first one is returned.
+ */
+struct uwb_dev *uwb_dev_get_by_devaddr(struct uwb_rc *rc,
+				       const struct uwb_dev_addr *devaddr)
+{
+	struct uwb_dev *found = NULL;
+	struct uwb_beca_e *bce;
+
+	mutex_lock(&uwb_beca.mutex);
+	bce = __uwb_beca_find_bydev(devaddr);
+	if (bce)
+		found = uwb_dev_try_get(rc, bce->uwb_dev);
+	mutex_unlock(&uwb_beca.mutex);
+
+	return found;
+}
+
+/**
+ * uwb_dev_get_by_macaddr - get a UWB device with a specific EUI-48
+ * @rc:      the radio controller that saw the device
+ * @devaddr: EUI-48 of the UWB device to find
+ */
+struct uwb_dev *uwb_dev_get_by_macaddr(struct uwb_rc *rc,
+				       const struct uwb_mac_addr *macaddr)
+{
+	struct uwb_dev *found = NULL;
+	struct uwb_beca_e *bce;
+
+	mutex_lock(&uwb_beca.mutex);
+	bce = __uwb_beca_find_bymac(macaddr);
+	if (bce)
+		found = uwb_dev_try_get(rc, bce->uwb_dev);
+	mutex_unlock(&uwb_beca.mutex);
+
+	return found;
+}
+
+/* Initialize a beacon cache entry */
+static void uwb_beca_e_init(struct uwb_beca_e *bce)
+{
+	mutex_init(&bce->mutex);
+	kref_init(&bce->refcnt);
+	stats_init(&bce->lqe_stats);
+	stats_init(&bce->rssi_stats);
+}
+
+/*
+ * Add a beacon to the cache
+ *
+ * @be:         Beacon event information
+ * @bf:         Beacon frame (part of b, really)
+ * @ts_jiffies: Timestamp (in jiffies) when the beacon was received
+ */
+struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *be,
+				  struct uwb_beacon_frame *bf,
+				  unsigned long ts_jiffies)
+{
+	struct uwb_beca_e *bce;
+
+	bce = kzalloc(sizeof(*bce), GFP_KERNEL);
+	if (bce == NULL)
+		return NULL;
+	uwb_beca_e_init(bce);
+	bce->ts_jiffies = ts_jiffies;
+	bce->uwb_dev = NULL;
+	list_add(&bce->node, &uwb_beca.list);
+	return bce;
+}
+
+/*
+ * Wipe out beacon entries that became stale
+ *
+ * Remove associated devicest too.
+ */
+void uwb_beca_purge(void)
+{
+	struct uwb_beca_e *bce, *next;
+	unsigned long now = jiffies;
+	mutex_lock(&uwb_beca.mutex);
+	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
+		if (now - bce->ts_jiffies
+		    > msecs_to_jiffies(beacon_timeout_ms)) {
+			uwbd_dev_offair(bce);
+			list_del(&bce->node);
+			uwb_bce_put(bce);
+		}
+	}
+	mutex_unlock(&uwb_beca.mutex);
+}
+
+/* Clean up the whole beacon cache. Called on shutdown */
+void uwb_beca_release(void)
+{
+	struct uwb_beca_e *bce, *next;
+	mutex_lock(&uwb_beca.mutex);
+	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
+		list_del(&bce->node);
+		uwb_bce_put(bce);
+	}
+	mutex_unlock(&uwb_beca.mutex);
+}
+
+static void uwb_beacon_print(struct uwb_rc *rc, struct uwb_rc_evt_beacon *be,
+			     struct uwb_beacon_frame *bf)
+{
+	char macbuf[UWB_ADDR_STRSIZE];
+	char devbuf[UWB_ADDR_STRSIZE];
+	char dstbuf[UWB_ADDR_STRSIZE];
+
+	uwb_mac_addr_print(macbuf, sizeof(macbuf), &bf->Device_Identifier);
+	uwb_dev_addr_print(devbuf, sizeof(devbuf), &bf->hdr.SrcAddr);
+	uwb_dev_addr_print(dstbuf, sizeof(dstbuf), &bf->hdr.DestAddr);
+	dev_info(&rc->uwb_dev.dev,
+		 "BEACON from %s to %s (ch%u offset %u slot %u MAC %s)\n",
+		 devbuf, dstbuf, be->bChannelNumber, be->wBPSTOffset,
+		 bf->Beacon_Slot_Number, macbuf);
+}
+
+/*
+ * @bce: beacon cache entry, referenced
+ */
+ssize_t uwb_bce_print_IEs(struct uwb_dev *uwb_dev, struct uwb_beca_e *bce,
+			  char *buf, size_t size)
+{
+	ssize_t result = 0;
+	struct uwb_rc_evt_beacon *be;
+	struct uwb_beacon_frame *bf;
+	struct uwb_buf_ctx ctx = {
+		.buf = buf,
+		.bytes = 0,
+		.size = size
+	};
+
+	mutex_lock(&bce->mutex);
+	be = bce->be;
+	if (be == NULL)
+		goto out;
+	bf = (void *) be->BeaconInfo;
+	uwb_ie_for_each(uwb_dev, uwb_ie_dump_hex, &ctx,
+			bf->IEData, be->wBeaconInfoLength - sizeof(*bf));
+	result = ctx.bytes;
+out:
+	mutex_unlock(&bce->mutex);
+	return result;
+}
+
+/*
+ * Verify that the beacon event, frame and IEs are ok
+ */
+static int uwb_verify_beacon(struct uwb_rc *rc, struct uwb_event *evt,
+			     struct uwb_rc_evt_beacon *be)
+{
+	int result = -EINVAL;
+	struct uwb_beacon_frame *bf;
+	struct device *dev = &rc->uwb_dev.dev;
+
+	/* Is there enough data to decode a beacon frame? */
+	if (evt->notif.size < sizeof(*be) + sizeof(*bf)) {
+		dev_err(dev, "BEACON event: Not enough data to decode "
+			"(%zu vs %zu bytes needed)\n", evt->notif.size,
+			sizeof(*be) + sizeof(*bf));
+		goto error;
+	}
+	/* FIXME: make sure beacon frame IEs are fine and that the whole thing
+	 * is consistent */
+	result = 0;
+error:
+	return result;
+}
+
+/*
+ * Handle UWB_RC_EVT_BEACON events
+ *
+ * We check the beacon cache to see how the received beacon fares. If
+ * is there already we refresh the timestamp. If not we create a new
+ * entry.
+ *
+ * According to the WHCI and WUSB specs, only one beacon frame is
+ * allowed per notification block, so we don't bother about scanning
+ * for more.
+ */
+int uwbd_evt_handle_rc_beacon(struct uwb_event *evt)
+{
+	int result = -EINVAL;
+	struct uwb_rc *rc;
+	struct uwb_rc_evt_beacon *be;
+	struct uwb_beacon_frame *bf;
+	struct uwb_beca_e *bce;
+	struct device *dev = &evt->rc->uwb_dev.dev;
+	unsigned long last_ts;
+
+	rc = evt->rc;
+	be = container_of(evt->notif.rceb, struct uwb_rc_evt_beacon, rceb);
+	result = uwb_verify_beacon(rc, evt, be);
+	if (result < 0)
+		return result;
+
+	/* Ignore beacon if it is from an alien. */
+	if (be->bBeaconType == UWB_RC_BEACON_TYPE_OL_ALIEN ||
+	    be->bBeaconType == UWB_RC_BEACON_TYPE_NOL_ALIEN) {
+		if (printk_ratelimit())
+			dev_err(dev, "BEACON received from ALIEN. Action? \n");
+		result = -ENOSYS;
+		return 0;
+	}
+	bf = (struct uwb_beacon_frame *) be->BeaconInfo;
+
+	/*
+	 * Drop beacons from devices with a NULL EUI-48 -- they cannot
+	 * be uniquely identified.
+	 *
+	 * It's expected that these will all be WUSB devices and they
+	 * have a WUSB specific connection method so ignoring them
+	 * here shouldn't be a problem.
+	 */
+	if (uwb_mac_addr_bcast(&bf->Device_Identifier))
+		return 0;
+
+	mutex_lock(&uwb_beca.mutex);
+	bce = __uwb_beca_find_bymac(&bf->Device_Identifier);
+	if (bce == NULL) {
+		/* Not in there, a new device is pinging */
+		uwb_beacon_print(evt->rc, be, bf);
+		bce = __uwb_beca_add(be, bf, evt->ts_jiffies);
+		if (bce == NULL) {
+			mutex_unlock(&uwb_beca.mutex);
+			return -ENOMEM;
+		}
+	}
+	mutex_unlock(&uwb_beca.mutex);
+
+	mutex_lock(&bce->mutex);
+	/* purge old beacon data */
+	kfree(bce->be);
+
+	last_ts = bce->ts_jiffies;
+
+	/* Update commonly used fields */
+	bce->ts_jiffies = evt->ts_jiffies;
+	bce->be = be;
+	bce->dev_addr = bf->hdr.SrcAddr;
+	bce->mac_addr = &bf->Device_Identifier;
+	be->wBPSTOffset = le16_to_cpu(be->wBPSTOffset);
+	be->wBeaconInfoLength = le16_to_cpu(be->wBeaconInfoLength);
+	stats_add_sample(&bce->lqe_stats, be->bLQI - 7);
+	stats_add_sample(&bce->rssi_stats, be->bRSSI + 18);
+
+	/*
+	 * This might be a beacon from a new device.
+	 */
+	if (bce->uwb_dev == NULL)
+		uwbd_dev_onair(evt->rc, bce);
+
+	mutex_unlock(&bce->mutex);
+
+	return 1; /* we keep the event data */
+}
+
+/*
+ * Handle UWB_RC_EVT_BEACON_SIZE events
+ *
+ * XXXXX
+ */
+int uwbd_evt_handle_rc_beacon_size(struct uwb_event *evt)
+{
+	int result = -EINVAL;
+	struct device *dev = &evt->rc->uwb_dev.dev;
+	struct uwb_rc_evt_beacon_size *bs;
+
+	/* Is there enough data to decode the event? */
+	if (evt->notif.size < sizeof(*bs)) {
+		dev_err(dev, "BEACON SIZE notification: Not enough data to "
+			"decode (%zu vs %zu bytes needed)\n",
+			evt->notif.size, sizeof(*bs));
+		goto error;
+	}
+	bs = container_of(evt->notif.rceb, struct uwb_rc_evt_beacon_size, rceb);
+	if (0)
+		dev_info(dev, "Beacon size changed to %u bytes "
+			"(FIXME: action?)\n", le16_to_cpu(bs->wNewBeaconSize));
+	else {
+		/* temporary hack until we do something with this message... */
+		static unsigned count;
+		if (++count % 1000 == 0)
+			dev_info(dev, "Beacon size changed %u times "
+				"(FIXME: action?)\n", count);
+	}
+	result = 0;
+error:
+	return result;
+}
+
+/**
+ * uwbd_evt_handle_rc_bp_slot_change - handle a BP_SLOT_CHANGE event
+ * @evt: the BP_SLOT_CHANGE notification from the radio controller
+ *
+ * If the event indicates that no beacon period slots were available
+ * then radio controller has transitioned to a non-beaconing state.
+ * Otherwise, simply save the current beacon slot.
+ */
+int uwbd_evt_handle_rc_bp_slot_change(struct uwb_event *evt)
+{
+	struct uwb_rc *rc = evt->rc;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rc_evt_bp_slot_change *bpsc;
+
+	if (evt->notif.size < sizeof(*bpsc)) {
+		dev_err(dev, "BP SLOT CHANGE event: Not enough data\n");
+		return -EINVAL;
+	}
+	bpsc = container_of(evt->notif.rceb, struct uwb_rc_evt_bp_slot_change, rceb);
+
+	mutex_lock(&rc->uwb_dev.mutex);
+	if (uwb_rc_evt_bp_slot_change_no_slot(bpsc)) {
+		dev_info(dev, "stopped beaconing: No free slots in BP\n");
+		rc->beaconing = -1;
+	} else
+		rc->uwb_dev.beacon_slot = uwb_rc_evt_bp_slot_change_slot_num(bpsc);
+	mutex_unlock(&rc->uwb_dev.mutex);
+
+	return 0;
+}
+
+/**
+ * Handle UWB_RC_EVT_BPOIE_CHANGE events
+ *
+ * XXXXX
+ */
+struct uwb_ie_bpo {
+	struct uwb_ie_hdr hdr;
+	u8                bp_length;
+	u8                data[];
+} __attribute__((packed));
+
+int uwbd_evt_handle_rc_bpoie_change(struct uwb_event *evt)
+{
+	int result = -EINVAL;
+	struct device *dev = &evt->rc->uwb_dev.dev;
+	struct uwb_rc_evt_bpoie_change *bpoiec;
+	struct uwb_ie_bpo *bpoie;
+	static unsigned count;	/* FIXME: this is a temp hack */
+	size_t iesize;
+
+	/* Is there enough data to decode it? */
+	if (evt->notif.size < sizeof(*bpoiec)) {
+		dev_err(dev, "BPOIEC notification: Not enough data to "
+			"decode (%zu vs %zu bytes needed)\n",
+			evt->notif.size, sizeof(*bpoiec));
+		goto error;
+	}
+	bpoiec = container_of(evt->notif.rceb, struct uwb_rc_evt_bpoie_change, rceb);
+	iesize = le16_to_cpu(bpoiec->wBPOIELength);
+	if (iesize < sizeof(*bpoie)) {
+		dev_err(dev, "BPOIEC notification: Not enough IE data to "
+			"decode (%zu vs %zu bytes needed)\n",
+			iesize, sizeof(*bpoie));
+		goto error;
+	}
+	if (++count % 1000 == 0)	/* Lame placeholder */
+		dev_info(dev, "BPOIE: %u changes received\n", count);
+	/*
+	 * FIXME: At this point we should go over all the IEs in the
+	 *        bpoiec->BPOIE array and act on each.
+	 */
+	result = 0;
+error:
+	return result;
+}
+
+/**
+ * uwb_bg_joined - is the RC in a beacon group?
+ * @rc: the radio controller
+ *
+ * Returns true if the radio controller is in a beacon group (even if
+ * it's the sole member).
+ */
+int uwb_bg_joined(struct uwb_rc *rc)
+{
+	return rc->beaconing != -1;
+}
+EXPORT_SYMBOL_GPL(uwb_bg_joined);
+
+/*
+ * Print beaconing state.
+ */
+static ssize_t uwb_rc_beacon_show(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_rc *rc = uwb_dev->rc;
+	ssize_t result;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+	result = sprintf(buf, "%d\n", rc->beaconing);
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return result;
+}
+
+/*
+ * Start beaconing on the specified channel, or stop beaconing.
+ *
+ * The BPST offset of when to start searching for a beacon group to
+ * join may be specified.
+ */
+static ssize_t uwb_rc_beacon_store(struct device *dev,
+				   struct device_attribute *attr,
+				   const char *buf, size_t size)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_rc *rc = uwb_dev->rc;
+	int channel;
+	unsigned bpst_offset = 0;
+	ssize_t result = -EINVAL;
+
+	result = sscanf(buf, "%d %u\n", &channel, &bpst_offset);
+	if (result >= 1)
+		result = uwb_rc_beacon(rc, channel, bpst_offset);
+
+	return result < 0 ? result : size;
+}
+DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, uwb_rc_beacon_show, uwb_rc_beacon_store);
diff --git a/drivers/uwb/ie.c b/drivers/uwb/ie.c
new file mode 100644
index 00000000000..d54fe09a986
--- /dev/null
+++ b/drivers/uwb/ie.c
@@ -0,0 +1,570 @@
+/*
+ * Ultra Wide Band
+ * Information Element Handling
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include "uwb-internal.h"
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/**
+ * uwb_ie_next - get the next IE in a buffer
+ * @ptr: start of the buffer containing the IE data
+ * @len: length of the buffer
+ *
+ * Both @ptr and @len are updated so subsequent calls to uwb_ie_next()
+ * will get the next IE.
+ *
+ * NULL is returned (and @ptr and @len will not be updated) if there
+ * are no more IEs in the buffer or the buffer is too short.
+ */
+struct uwb_ie_hdr *uwb_ie_next(void **ptr, size_t *len)
+{
+	struct uwb_ie_hdr *hdr;
+	size_t ie_len;
+
+	if (*len < sizeof(struct uwb_ie_hdr))
+		return NULL;
+
+	hdr = *ptr;
+	ie_len = sizeof(struct uwb_ie_hdr) + hdr->length;
+
+	if (*len < ie_len)
+		return NULL;
+
+	*ptr += ie_len;
+	*len -= ie_len;
+
+	return hdr;
+}
+EXPORT_SYMBOL_GPL(uwb_ie_next);
+
+/**
+ * Get the IEs that a radio controller is sending in its beacon
+ *
+ * @uwb_rc:  UWB Radio Controller
+ * @returns: Size read from the system
+ *
+ * We don't need to lock the uwb_rc's mutex because we don't modify
+ * anything. Once done with the iedata buffer, call
+ * uwb_rc_ie_release(iedata). Don't call kfree on it.
+ */
+ssize_t uwb_rc_get_ie(struct uwb_rc *uwb_rc, struct uwb_rc_evt_get_ie **pget_ie)
+{
+	ssize_t result;
+	struct device *dev = &uwb_rc->uwb_dev.dev;
+	struct uwb_rccb *cmd = NULL;
+	struct uwb_rceb *reply = NULL;
+	struct uwb_rc_evt_get_ie *get_ie;
+
+	d_fnstart(3, dev, "(%p, %p)\n", uwb_rc, pget_ie);
+	result = -ENOMEM;
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		goto error_kzalloc;
+	cmd->bCommandType = UWB_RC_CET_GENERAL;
+	cmd->wCommand = cpu_to_le16(UWB_RC_CMD_GET_IE);
+	result = uwb_rc_vcmd(uwb_rc, "GET_IE", cmd, sizeof(*cmd),
+			     UWB_RC_CET_GENERAL, UWB_RC_CMD_GET_IE,
+			     &reply);
+	if (result < 0)
+		goto error_cmd;
+	get_ie = container_of(reply, struct uwb_rc_evt_get_ie, rceb);
+	if (result < sizeof(*get_ie)) {
+		dev_err(dev, "not enough data returned for decoding GET IE "
+			"(%zu bytes received vs %zu needed)\n",
+			result, sizeof(*get_ie));
+		result = -EINVAL;
+	} else if (result < sizeof(*get_ie) + le16_to_cpu(get_ie->wIELength)) {
+		dev_err(dev, "not enough data returned for decoding GET IE "
+			"payload (%zu bytes received vs %zu needed)\n", result,
+			sizeof(*get_ie) + le16_to_cpu(get_ie->wIELength));
+		result = -EINVAL;
+	} else
+		*pget_ie = get_ie;
+error_cmd:
+	kfree(cmd);
+error_kzalloc:
+	d_fnend(3, dev, "(%p, %p) = %d\n", uwb_rc, pget_ie, (int)result);
+	return result;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_get_ie);
+
+
+/*
+ * Given a pointer to an IE, print it in ASCII/hex followed by a new line
+ *
+ * @ie_hdr: pointer to the IE header. Length is in there, and it is
+ *          guaranteed that the ie_hdr->length bytes following it are
+ *          safely accesible.
+ *
+ * @_data: context data passed from uwb_ie_for_each(), an struct output_ctx
+ */
+int uwb_ie_dump_hex(struct uwb_dev *uwb_dev, const struct uwb_ie_hdr *ie_hdr,
+		    size_t offset, void *_ctx)
+{
+	struct uwb_buf_ctx *ctx = _ctx;
+	const u8 *pl = (void *)(ie_hdr + 1);
+	u8 pl_itr;
+
+	ctx->bytes += scnprintf(ctx->buf + ctx->bytes, ctx->size - ctx->bytes,
+				"%02x %02x ", (unsigned) ie_hdr->element_id,
+				(unsigned) ie_hdr->length);
+	pl_itr = 0;
+	while (pl_itr < ie_hdr->length && ctx->bytes < ctx->size)
+		ctx->bytes += scnprintf(ctx->buf + ctx->bytes,
+					ctx->size - ctx->bytes,
+					"%02x ", (unsigned) pl[pl_itr++]);
+	if (ctx->bytes < ctx->size)
+		ctx->buf[ctx->bytes++] = '\n';
+	return 0;
+}
+EXPORT_SYMBOL_GPL(uwb_ie_dump_hex);
+
+
+/**
+ * Verify that a pointer in a buffer points to valid IE
+ *
+ * @start: pointer to start of buffer in which IE appears
+ * @itr:   pointer to IE inside buffer that will be verified
+ * @top:   pointer to end of buffer
+ *
+ * @returns: 0 if IE is valid, <0 otherwise
+ *
+ * Verification involves checking that the buffer can contain a
+ * header and the amount of data reported in the IE header can be found in
+ * the buffer.
+ */
+static
+int uwb_rc_ie_verify(struct uwb_dev *uwb_dev, const void *start,
+		     const void *itr, const void *top)
+{
+	struct device *dev = &uwb_dev->dev;
+	const struct uwb_ie_hdr *ie_hdr;
+
+	if (top - itr < sizeof(*ie_hdr)) {
+		dev_err(dev, "Bad IE: no data to decode header "
+			"(%zu bytes left vs %zu needed) at offset %zu\n",
+			top - itr, sizeof(*ie_hdr), itr - start);
+		return -EINVAL;
+	}
+	ie_hdr = itr;
+	itr += sizeof(*ie_hdr);
+	if (top - itr < ie_hdr->length) {
+		dev_err(dev, "Bad IE: not enough data for payload "
+			"(%zu bytes left vs %zu needed) at offset %zu\n",
+			top - itr, (size_t)ie_hdr->length,
+			(void *)ie_hdr - start);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+
+/**
+ * Walk a buffer filled with consecutive IE's a buffer
+ *
+ * @uwb_dev: UWB device this IEs belong to (for err messages mainly)
+ *
+ * @fn: function to call with each IE; if it returns 0, we keep
+ *      traversing the buffer. If it returns !0, we'll stop and return
+ *      that value.
+ *
+ * @data: pointer passed to @fn
+ *
+ * @buf: buffer where the consecutive IEs are located
+ *
+ * @size: size of @buf
+ *
+ * Each IE is checked for basic correctness (there is space left for
+ * the header and the payload). If that test is failed, we stop
+ * processing. For every good IE, @fn is called.
+ */
+ssize_t uwb_ie_for_each(struct uwb_dev *uwb_dev, uwb_ie_f fn, void *data,
+			const void *buf, size_t size)
+{
+	ssize_t result = 0;
+	const struct uwb_ie_hdr *ie_hdr;
+	const void *itr = buf, *top = itr + size;
+
+	while (itr < top) {
+		if (uwb_rc_ie_verify(uwb_dev, buf, itr, top) != 0)
+			break;
+		ie_hdr = itr;
+		itr += sizeof(*ie_hdr) + ie_hdr->length;
+		result = fn(uwb_dev, ie_hdr, itr - buf, data);
+		if (result != 0)
+			break;
+	}
+	return result;
+}
+EXPORT_SYMBOL_GPL(uwb_ie_for_each);
+
+
+/**
+ * Replace all IEs currently being transmitted by a device
+ *
+ * @cmd:    pointer to the SET-IE command with the IEs to set
+ * @size:   size of @buf
+ */
+int uwb_rc_set_ie(struct uwb_rc *rc, struct uwb_rc_cmd_set_ie *cmd)
+{
+	int result;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rc_evt_set_ie reply;
+
+	reply.rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply.rceb.wEvent = UWB_RC_CMD_SET_IE;
+	result = uwb_rc_cmd(rc, "SET-IE", &cmd->rccb,
+			    sizeof(*cmd) + le16_to_cpu(cmd->wIELength),
+			    &reply.rceb, sizeof(reply));
+	if (result < 0)
+		goto error_cmd;
+	else if (result != sizeof(reply)) {
+		dev_err(dev, "SET-IE: not enough data to decode reply "
+			"(%d bytes received vs %zu needed)\n",
+			result, sizeof(reply));
+		result = -EIO;
+	} else if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(dev, "SET-IE: command execution failed: %s (%d)\n",
+			uwb_rc_strerror(reply.bResultCode), reply.bResultCode);
+		result = -EIO;
+	} else
+		result = 0;
+error_cmd:
+	return result;
+}
+
+/**
+ * Determine by IE id if IE is host settable
+ * WUSB 1.0 [8.6.2.8 Table 8.85]
+ *
+ * EXCEPTION:
+ * All but UWB_IE_WLP appears in Table 8.85 from WUSB 1.0. Setting this IE
+ * is required for the WLP substack to perform association with its WSS so
+ * we hope that the WUSB spec will be changed to reflect this.
+ */
+static
+int uwb_rc_ie_is_host_settable(enum uwb_ie element_id)
+{
+	if (element_id == UWB_PCA_AVAILABILITY ||
+	    element_id == UWB_BP_SWITCH_IE ||
+	    element_id == UWB_MAC_CAPABILITIES_IE ||
+	    element_id == UWB_PHY_CAPABILITIES_IE ||
+	    element_id == UWB_APP_SPEC_PROBE_IE ||
+	    element_id == UWB_IDENTIFICATION_IE ||
+	    element_id == UWB_MASTER_KEY_ID_IE ||
+	    element_id == UWB_IE_WLP ||
+	    element_id == UWB_APP_SPEC_IE)
+		return 1;
+	return 0;
+}
+
+
+/**
+ * Extract Host Settable IEs from IE
+ *
+ * @ie_data: pointer to buffer containing all IEs
+ * @size:    size of buffer
+ *
+ * @returns: length of buffer that only includes host settable IEs
+ *
+ * Given a buffer of IEs we move all Host Settable IEs to front of buffer
+ * by overwriting the IEs that are not Host Settable.
+ * Buffer length is adjusted accordingly.
+ */
+static
+ssize_t uwb_rc_parse_host_settable_ie(struct uwb_dev *uwb_dev,
+				      void *ie_data, size_t size)
+{
+	size_t new_len = size;
+	struct uwb_ie_hdr *ie_hdr;
+	size_t ie_length;
+	void *itr = ie_data, *top = itr + size;
+
+	while (itr < top) {
+		if (uwb_rc_ie_verify(uwb_dev, ie_data, itr, top) != 0)
+			break;
+		ie_hdr = itr;
+		ie_length = sizeof(*ie_hdr) + ie_hdr->length;
+		if (uwb_rc_ie_is_host_settable(ie_hdr->element_id)) {
+			itr += ie_length;
+		} else {
+			memmove(itr, itr + ie_length, top - (itr + ie_length));
+			new_len -= ie_length;
+			top -= ie_length;
+		}
+	}
+	return new_len;
+}
+
+
+/* Cleanup the whole IE management subsystem */
+void uwb_rc_ie_init(struct uwb_rc *uwb_rc)
+{
+	mutex_init(&uwb_rc->ies_mutex);
+}
+
+
+/**
+ * Set up cache for host settable IEs currently being transmitted
+ *
+ * First we just call GET-IE to get the current IEs being transmitted
+ * (or we workaround and pretend we did) and (because the format is
+ * the same) reuse that as the IE cache (with the command prefix, as
+ * explained in 'struct uwb_rc').
+ *
+ * @returns: size of cache created
+ */
+ssize_t uwb_rc_ie_setup(struct uwb_rc *uwb_rc)
+{
+	struct device *dev = &uwb_rc->uwb_dev.dev;
+	ssize_t result;
+	size_t capacity;
+	struct uwb_rc_evt_get_ie *ie_info;
+
+	d_fnstart(3, dev, "(%p)\n", uwb_rc);
+	mutex_lock(&uwb_rc->ies_mutex);
+	result = uwb_rc_get_ie(uwb_rc, &ie_info);
+	if (result < 0)
+		goto error_get_ie;
+	capacity = result;
+	d_printf(5, dev, "Got IEs %zu bytes (%zu long at %p)\n", result,
+		 (size_t)le16_to_cpu(ie_info->wIELength), ie_info);
+
+	/* Remove IEs that host should not set. */
+	result = uwb_rc_parse_host_settable_ie(&uwb_rc->uwb_dev,
+			ie_info->IEData, le16_to_cpu(ie_info->wIELength));
+	if (result < 0)
+		goto error_parse;
+	d_printf(5, dev, "purged non-settable IEs to %zu bytes\n", result);
+	uwb_rc->ies = (void *) ie_info;
+	uwb_rc->ies->rccb.bCommandType = UWB_RC_CET_GENERAL;
+	uwb_rc->ies->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_SET_IE);
+	uwb_rc->ies_capacity = capacity;
+	d_printf(5, dev, "IE cache at %p %zu bytes, %zu capacity\n",
+		 ie_info, result, capacity);
+	result = 0;
+error_parse:
+error_get_ie:
+	mutex_unlock(&uwb_rc->ies_mutex);
+	d_fnend(3, dev, "(%p) = %zu\n", uwb_rc, result);
+	return result;
+}
+
+
+/* Cleanup the whole IE management subsystem */
+void uwb_rc_ie_release(struct uwb_rc *uwb_rc)
+{
+	kfree(uwb_rc->ies);
+	uwb_rc->ies = NULL;
+	uwb_rc->ies_capacity = 0;
+}
+
+
+static
+int __acc_size(struct uwb_dev *uwb_dev, const struct uwb_ie_hdr *ie_hdr,
+	       size_t offset, void *_ctx)
+{
+	size_t *acc_size = _ctx;
+	*acc_size += sizeof(*ie_hdr) + ie_hdr->length;
+	d_printf(6, &uwb_dev->dev, "new acc size %zu\n", *acc_size);
+	return 0;
+}
+
+
+/**
+ * Add a new IE to IEs currently being transmitted by device
+ *
+ * @ies: the buffer containing the new IE or IEs to be added to
+ *       the device's beacon. The buffer will be verified for
+ *       consistence (meaning the headers should be right) and
+ *       consistent with the buffer size.
+ * @size: size of @ies (in bytes, total buffer size)
+ * @returns: 0 if ok, <0 errno code on error
+ *
+ * According to WHCI 0.95 [4.13.6] the driver will only receive the RCEB
+ * after the device sent the first beacon that includes the IEs specified
+ * in the SET IE command. We thus cannot send this command if the device is
+ * not beaconing. Instead, a SET IE command will be sent later right after
+ * we start beaconing.
+ *
+ * Setting an IE on the device will overwrite all current IEs in device. So
+ * we take the current IEs being transmitted by the device, append the
+ * new one, and call SET IE with all the IEs needed.
+ *
+ * The local IE cache will only be updated with the new IE if SET IE
+ * completed successfully.
+ */
+int uwb_rc_ie_add(struct uwb_rc *uwb_rc,
+		  const struct uwb_ie_hdr *ies, size_t size)
+{
+	int result = 0;
+	struct device *dev = &uwb_rc->uwb_dev.dev;
+	struct uwb_rc_cmd_set_ie *new_ies;
+	size_t ies_size, total_size, acc_size = 0;
+
+	if (uwb_rc->ies == NULL)
+		return -ESHUTDOWN;
+	uwb_ie_for_each(&uwb_rc->uwb_dev, __acc_size, &acc_size, ies, size);
+	if (acc_size != size) {
+		dev_err(dev, "BUG: bad IEs, misconstructed headers "
+			"[%zu bytes reported vs %zu calculated]\n",
+			size, acc_size);
+		WARN_ON(1);
+		return -EINVAL;
+	}
+	mutex_lock(&uwb_rc->ies_mutex);
+	ies_size = le16_to_cpu(uwb_rc->ies->wIELength);
+	total_size = sizeof(*uwb_rc->ies) + ies_size;
+	if (total_size + size > uwb_rc->ies_capacity) {
+		d_printf(4, dev, "Reallocating IE cache from %p capacity %zu "
+			 "to capacity %zu\n", uwb_rc->ies, uwb_rc->ies_capacity,
+			 total_size + size);
+		new_ies = kzalloc(total_size + size, GFP_KERNEL);
+		if (new_ies == NULL) {
+			dev_err(dev, "No memory for adding new IE\n");
+			result = -ENOMEM;
+			goto error_alloc;
+		}
+		memcpy(new_ies, uwb_rc->ies, total_size);
+		uwb_rc->ies_capacity = total_size + size;
+		kfree(uwb_rc->ies);
+		uwb_rc->ies = new_ies;
+		d_printf(4, dev, "New IE cache at %p capacity %zu\n",
+			 uwb_rc->ies, uwb_rc->ies_capacity);
+	}
+	memcpy((void *)uwb_rc->ies + total_size, ies, size);
+	uwb_rc->ies->wIELength = cpu_to_le16(ies_size + size);
+	if (uwb_rc->beaconing != -1) {
+		result = uwb_rc_set_ie(uwb_rc, uwb_rc->ies);
+		if (result < 0) {
+			dev_err(dev, "Cannot set new IE on device: %d\n",
+				result);
+			uwb_rc->ies->wIELength = cpu_to_le16(ies_size);
+		} else
+			result = 0;
+	}
+	d_printf(4, dev, "IEs now occupy %hu bytes of %zu capacity at %p\n",
+		 le16_to_cpu(uwb_rc->ies->wIELength), uwb_rc->ies_capacity,
+		 uwb_rc->ies);
+error_alloc:
+	mutex_unlock(&uwb_rc->ies_mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_ie_add);
+
+
+/*
+ * Remove an IE from internal cache
+ *
+ * We are dealing with our internal IE cache so no need to verify that the
+ * IEs are valid (it has been done already).
+ *
+ * Should be called with ies_mutex held
+ *
+ * We do not break out once an IE is found in the cache. It is currently
+ * possible to have more than one IE with the same ID included in the
+ * beacon. We don't reallocate, we just mark the size smaller.
+ */
+static
+int uwb_rc_ie_cache_rm(struct uwb_rc *uwb_rc, enum uwb_ie to_remove)
+{
+	struct uwb_ie_hdr *ie_hdr;
+	size_t new_len = le16_to_cpu(uwb_rc->ies->wIELength);
+	void *itr = uwb_rc->ies->IEData;
+	void *top = itr + new_len;
+
+	while (itr < top) {
+		ie_hdr = itr;
+		if (ie_hdr->element_id != to_remove) {
+			itr += sizeof(*ie_hdr) + ie_hdr->length;
+		} else {
+			int ie_length;
+			ie_length = sizeof(*ie_hdr) + ie_hdr->length;
+			if (top - itr != ie_length)
+				memmove(itr, itr + ie_length, top - itr + ie_length);
+			top -= ie_length;
+			new_len -= ie_length;
+		}
+	}
+	uwb_rc->ies->wIELength = cpu_to_le16(new_len);
+	return 0;
+}
+
+
+/**
+ * Remove an IE currently being transmitted by device
+ *
+ * @element_id: id of IE to be removed from device's beacon
+ */
+int uwb_rc_ie_rm(struct uwb_rc *uwb_rc, enum uwb_ie element_id)
+{
+	struct device *dev = &uwb_rc->uwb_dev.dev;
+	int result;
+
+	if (uwb_rc->ies == NULL)
+		return -ESHUTDOWN;
+	mutex_lock(&uwb_rc->ies_mutex);
+	result = uwb_rc_ie_cache_rm(uwb_rc, element_id);
+	if (result < 0)
+		dev_err(dev, "Cannot remove IE from cache.\n");
+	if (uwb_rc->beaconing != -1) {
+		result = uwb_rc_set_ie(uwb_rc, uwb_rc->ies);
+		if (result < 0)
+			dev_err(dev, "Cannot set new IE on device.\n");
+	}
+	mutex_unlock(&uwb_rc->ies_mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(uwb_rc_ie_rm);
+
+
+/**
+ * Create and set new Identification IE
+ *
+ * Currently only sets the Vendor ID. The Vendor ID is set from the OUI,
+ * which is obtained from the first three bytes from the MAC address.
+ */
+int uwb_rc_set_identification_ie(struct uwb_rc *uwb_rc)
+{
+	struct {
+		struct uwb_identification_ie id_ie;
+		struct uwb_dev_info dev_info;
+		struct uwb_vendor_id vendor_id;
+	} ie_data;
+
+	ie_data.id_ie.hdr.element_id = UWB_IDENTIFICATION_IE;
+	ie_data.id_ie.hdr.length = sizeof(struct uwb_dev_info) +
+				   sizeof(struct uwb_vendor_id);
+
+	ie_data.dev_info.type = UWB_DEV_INFO_VENDOR_ID;
+	ie_data.dev_info.length = sizeof(struct uwb_vendor_id);
+
+	ie_data.vendor_id.data[0] = uwb_rc->uwb_dev.mac_addr.data[0];
+	ie_data.vendor_id.data[1] = uwb_rc->uwb_dev.mac_addr.data[1];
+	ie_data.vendor_id.data[2] = uwb_rc->uwb_dev.mac_addr.data[2];
+
+	return uwb_rc_ie_add(uwb_rc, &ie_data.id_ie.hdr, sizeof(ie_data));
+}
diff --git a/drivers/uwb/scan.c b/drivers/uwb/scan.c
new file mode 100644
index 00000000000..2d270748f32
--- /dev/null
+++ b/drivers/uwb/scan.c
@@ -0,0 +1,133 @@
+/*
+ * Ultra Wide Band
+ * Scanning management
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ *
+ * FIXME: docs
+ * FIXME: there are issues here on how BEACON and SCAN on USB RCI deal
+ *        with each other. Currently seems that START_BEACON while
+ *        SCAN_ONLY will cancel the scan, so we need to update the
+ *        state here. Clarification request sent by email on
+ *        10/05/2005.
+ *        10/28/2005 No clear answer heard--maybe we'll hack the API
+ *                   so that when we start beaconing, if the HC is
+ *                   scanning in a mode not compatible with beaconing
+ *                   we just fail.
+ */
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include "uwb-internal.h"
+
+
+/**
+ * Start/stop scanning in a radio controller
+ *
+ * @rc:      UWB Radio Controlller
+ * @channel: Channel to scan; encodings in WUSB1.0[Table 5.12]
+ * @type:    Type of scanning to do.
+ * @bpst_offset: value at which to start scanning (if type ==
+ *                UWB_SCAN_ONLY_STARTTIME)
+ * @returns: 0 if ok, < 0 errno code on error
+ *
+ * We put the command on kmalloc'ed memory as some arches cannot do
+ * USB from the stack. The reply event is copied from an stage buffer,
+ * so it can be in the stack. See WUSB1.0[8.6.2.4] for more details.
+ */
+int uwb_rc_scan(struct uwb_rc *rc,
+		unsigned channel, enum uwb_scan_type type,
+		unsigned bpst_offset)
+{
+	int result;
+	struct uwb_rc_cmd_scan *cmd;
+	struct uwb_rc_evt_confirm reply;
+
+	result = -ENOMEM;
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		goto error_kzalloc;
+	mutex_lock(&rc->uwb_dev.mutex);
+	cmd->rccb.bCommandType = UWB_RC_CET_GENERAL;
+	cmd->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_SCAN);
+	cmd->bChannelNumber = channel;
+	cmd->bScanState = type;
+	cmd->wStartTime = cpu_to_le16(bpst_offset);
+	reply.rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply.rceb.wEvent = UWB_RC_CMD_SCAN;
+	result = uwb_rc_cmd(rc, "SCAN", &cmd->rccb, sizeof(*cmd),
+			    &reply.rceb, sizeof(reply));
+	if (result < 0)
+		goto error_cmd;
+	if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(&rc->uwb_dev.dev,
+			"SCAN: command execution failed: %s (%d)\n",
+			uwb_rc_strerror(reply.bResultCode), reply.bResultCode);
+		result = -EIO;
+		goto error_cmd;
+	}
+	rc->scanning = channel;
+	rc->scan_type = type;
+error_cmd:
+	mutex_unlock(&rc->uwb_dev.mutex);
+	kfree(cmd);
+error_kzalloc:
+	return result;
+}
+
+/*
+ * Print scanning state
+ */
+static ssize_t uwb_rc_scan_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_rc *rc = uwb_dev->rc;
+	ssize_t result;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+	result = sprintf(buf, "%d %d\n", rc->scanning, rc->scan_type);
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return result;
+}
+
+/*
+ *
+ */
+static ssize_t uwb_rc_scan_store(struct device *dev,
+				 struct device_attribute *attr,
+				 const char *buf, size_t size)
+{
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+	struct uwb_rc *rc = uwb_dev->rc;
+	unsigned channel;
+	unsigned type;
+	unsigned bpst_offset = 0;
+	ssize_t result = -EINVAL;
+
+	result = sscanf(buf, "%u %u %u\n", &channel, &type, &bpst_offset);
+	if (result >= 2 && type < UWB_SCAN_TOP)
+		result = uwb_rc_scan(rc, channel, type, bpst_offset);
+
+	return result < 0 ? result : size;
+}
+
+/** Radio Control sysfs interface (declaration) */
+DEVICE_ATTR(scan, S_IRUGO | S_IWUSR, uwb_rc_scan_show, uwb_rc_scan_store);
-- 
GitLab


From 8cc13a09474bb30d15dbf449767bb6d0198a8bf8 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:09 +0100
Subject: [PATCH 0159/2224] uwb: add the UWB stack (reservation manager)

DRP and reservation management.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/drp-avail.c | 288 +++++++++++++++++
 drivers/uwb/drp-ie.c    | 232 ++++++++++++++
 drivers/uwb/drp.c       | 461 +++++++++++++++++++++++++++
 drivers/uwb/rsv.c       | 680 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 1661 insertions(+)
 create mode 100644 drivers/uwb/drp-avail.c
 create mode 100644 drivers/uwb/drp-ie.c
 create mode 100644 drivers/uwb/drp.c
 create mode 100644 drivers/uwb/rsv.c

diff --git a/drivers/uwb/drp-avail.c b/drivers/uwb/drp-avail.c
new file mode 100644
index 00000000000..3febd855280
--- /dev/null
+++ b/drivers/uwb/drp-avail.c
@@ -0,0 +1,288 @@
+/*
+ * Ultra Wide Band
+ * DRP availability management
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ * Manage DRP Availability (the MAS available for DRP
+ * reservations). Thus:
+ *
+ * - Handle DRP Availability Change notifications
+ *
+ * - Allow the reservation manager to indicate MAS reserved/released
+ *   by local (owned by/targeted at the radio controller)
+ *   reservations.
+ *
+ * - Based on the two sources above, generate a DRP Availability IE to
+ *   be included in the beacon.
+ *
+ * See also the documentation for struct uwb_drp_avail.
+ */
+
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/bitmap.h>
+#include "uwb-internal.h"
+
+/**
+ * uwb_drp_avail_init - initialize an RC's MAS availability
+ *
+ * All MAS are available initially.  The RC will inform use which
+ * slots are used for the BP (it may change in size).
+ */
+void uwb_drp_avail_init(struct uwb_rc *rc)
+{
+	bitmap_fill(rc->drp_avail.global, UWB_NUM_MAS);
+	bitmap_fill(rc->drp_avail.local, UWB_NUM_MAS);
+	bitmap_fill(rc->drp_avail.pending, UWB_NUM_MAS);
+}
+
+/*
+ * Determine MAS available for new local reservations.
+ *
+ * avail = global & local & pending
+ */
+static void uwb_drp_available(struct uwb_rc *rc, struct uwb_mas_bm *avail)
+{
+	bitmap_and(avail->bm, rc->drp_avail.global, rc->drp_avail.local, UWB_NUM_MAS);
+	bitmap_and(avail->bm, avail->bm, rc->drp_avail.pending, UWB_NUM_MAS);
+}
+
+/**
+ * uwb_drp_avail_reserve_pending - reserve MAS for a new reservation
+ * @rc: the radio controller
+ * @mas: the MAS to reserve
+ *
+ * Returns 0 on success, or -EBUSY if the MAS requested aren't available.
+ */
+int uwb_drp_avail_reserve_pending(struct uwb_rc *rc, struct uwb_mas_bm *mas)
+{
+	struct uwb_mas_bm avail;
+
+	uwb_drp_available(rc, &avail);
+	if (!bitmap_subset(mas->bm, avail.bm, UWB_NUM_MAS))
+		return -EBUSY;
+
+	bitmap_andnot(rc->drp_avail.pending, rc->drp_avail.pending, mas->bm, UWB_NUM_MAS);
+	return 0;
+}
+
+/**
+ * uwb_drp_avail_reserve - reserve MAS for an established reservation
+ * @rc: the radio controller
+ * @mas: the MAS to reserve
+ */
+void uwb_drp_avail_reserve(struct uwb_rc *rc, struct uwb_mas_bm *mas)
+{
+	bitmap_or(rc->drp_avail.pending, rc->drp_avail.pending, mas->bm, UWB_NUM_MAS);
+	bitmap_andnot(rc->drp_avail.local, rc->drp_avail.local, mas->bm, UWB_NUM_MAS);
+	rc->drp_avail.ie_valid = false;
+}
+
+/**
+ * uwb_drp_avail_release - release MAS from a pending or established reservation
+ * @rc: the radio controller
+ * @mas: the MAS to release
+ */
+void uwb_drp_avail_release(struct uwb_rc *rc, struct uwb_mas_bm *mas)
+{
+	bitmap_or(rc->drp_avail.local, rc->drp_avail.local, mas->bm, UWB_NUM_MAS);
+	bitmap_or(rc->drp_avail.pending, rc->drp_avail.pending, mas->bm, UWB_NUM_MAS);
+	rc->drp_avail.ie_valid = false;
+}
+
+/**
+ * uwb_drp_avail_ie_update - update the DRP Availability IE
+ * @rc: the radio controller
+ *
+ * avail = global & local
+ */
+void uwb_drp_avail_ie_update(struct uwb_rc *rc)
+{
+	struct uwb_mas_bm avail;
+
+	bitmap_and(avail.bm, rc->drp_avail.global, rc->drp_avail.local, UWB_NUM_MAS);
+
+	rc->drp_avail.ie.hdr.element_id = UWB_IE_DRP_AVAILABILITY;
+	rc->drp_avail.ie.hdr.length = UWB_NUM_MAS / 8;
+	uwb_mas_bm_copy_le(rc->drp_avail.ie.bmp, &avail);
+	rc->drp_avail.ie_valid = true;
+}
+
+/**
+ * Create an unsigned long from a buffer containing a byte stream.
+ *
+ * @array: pointer to buffer
+ * @itr:   index of buffer from where we start
+ * @len:   the buffer's remaining size may not be exact multiple of
+ *         sizeof(unsigned long), @len is the length of buffer that needs
+ *         to be converted. This will be sizeof(unsigned long) or smaller
+ *         (BUG if not). If it is smaller then we will pad the remaining
+ *         space of the result with zeroes.
+ */
+static
+unsigned long get_val(u8 *array, size_t itr, size_t len)
+{
+	unsigned long val = 0;
+	size_t top = itr + len;
+
+	BUG_ON(len > sizeof(val));
+
+	while (itr < top) {
+		val <<= 8;
+		val |= array[top - 1];
+		top--;
+	}
+	val <<= 8 * (sizeof(val) - len); /* padding */
+	return val;
+}
+
+/**
+ * Initialize bitmap from data buffer.
+ *
+ * The bitmap to be converted could come from a IE, for example a
+ * DRP Availability IE.
+ * From ECMA-368 1.0 [16.8.7]: "
+ * octets: 1            1               N * (0 to 32)
+ *         Element ID   Length (=N)     DRP Availability Bitmap
+ *
+ * The DRP Availability Bitmap field is up to 256 bits long, one
+ * bit for each MAS in the superframe, where the least-significant
+ * bit of the field corresponds to the first MAS in the superframe
+ * and successive bits correspond to successive MASs."
+ *
+ * The DRP Availability bitmap is in octets from 0 to 32, so octet
+ * 32 contains bits for MAS 1-8, etc. If the bitmap is smaller than 32
+ * octets, the bits in octets not included at the end of the bitmap are
+ * treated as zero. In this case (when the bitmap is smaller than 32
+ * octets) the MAS represented range from MAS 1 to MAS (size of bitmap)
+ * with the last octet still containing bits for MAS 1-8, etc.
+ *
+ * For example:
+ * F00F0102 03040506 0708090A 0B0C0D0E 0F010203
+ * ^^^^
+ * ||||
+ * ||||
+ * |||\LSB of byte is MAS 9
+ * ||\MSB of byte is MAS 16
+ * |\LSB of first byte is MAS 1
+ * \ MSB of byte is MAS 8
+ *
+ * An example of this encoding can be found in ECMA-368 Annex-D [Table D.11]
+ *
+ * The resulting bitmap will have the following mapping:
+ *	bit position 0 == MAS 1
+ *	bit position 1 == MAS 2
+ *	...
+ *	bit position (UWB_NUM_MAS - 1) == MAS UWB_NUM_MAS
+ *
+ * @bmp_itr:	pointer to bitmap (can be declared with DECLARE_BITMAP)
+ * @buffer:	pointer to buffer containing bitmap data in big endian
+ *              format (MSB first)
+ * @buffer_size:number of bytes with which bitmap should be initialized
+ */
+static
+void buffer_to_bmp(unsigned long *bmp_itr, void *_buffer,
+		   size_t buffer_size)
+{
+	u8 *buffer = _buffer;
+	size_t itr, len;
+	unsigned long val;
+
+	itr = 0;
+	while (itr < buffer_size) {
+		len = buffer_size - itr >= sizeof(val) ?
+			sizeof(val) : buffer_size - itr;
+		val = get_val(buffer, itr, len);
+		bmp_itr[itr / sizeof(val)] = val;
+		itr += sizeof(val);
+	}
+}
+
+
+/**
+ * Extract DRP Availability bitmap from the notification.
+ *
+ * The notification that comes in contains a bitmap of (UWB_NUM_MAS / 8) bytes
+ * We convert that to our internal representation.
+ */
+static
+int uwbd_evt_get_drp_avail(struct uwb_event *evt, unsigned long *bmp)
+{
+	struct device *dev = &evt->rc->uwb_dev.dev;
+	struct uwb_rc_evt_drp_avail *drp_evt;
+	int result = -EINVAL;
+
+	/* Is there enough data to decode the event? */
+	if (evt->notif.size < sizeof(*drp_evt)) {
+		dev_err(dev, "DRP Availability Change: Not enough "
+			"data to decode event [%zu bytes, %zu "
+			"needed]\n", evt->notif.size, sizeof(*drp_evt));
+		goto error;
+	}
+	drp_evt = container_of(evt->notif.rceb, struct uwb_rc_evt_drp_avail, rceb);
+	buffer_to_bmp(bmp, drp_evt->bmp, UWB_NUM_MAS/8);
+	result = 0;
+error:
+	return result;
+}
+
+
+/**
+ * Process an incoming DRP Availability notification.
+ *
+ * @evt:	Event information (packs the actual event data, which
+ *              radio controller it came to, etc).
+ *
+ * @returns:    0 on success (so uwbd() frees the event buffer), < 0
+ *              on error.
+ *
+ * According to ECMA-368 1.0 [16.8.7], bits set to ONE indicate that
+ * the MAS slot is available, bits set to ZERO indicate that the slot
+ * is busy.
+ *
+ * So we clear available slots, we set used slots :)
+ *
+ * The notification only marks non-availability based on the BP and
+ * received DRP IEs that are not for this radio controller.  A copy of
+ * this bitmap is needed to generate the real availability (which
+ * includes local and pending reservations).
+ *
+ * The DRP Availability IE that this radio controller emits will need
+ * to be updated.
+ */
+int uwbd_evt_handle_rc_drp_avail(struct uwb_event *evt)
+{
+	int result;
+	struct uwb_rc *rc = evt->rc;
+	DECLARE_BITMAP(bmp, UWB_NUM_MAS);
+
+	result = uwbd_evt_get_drp_avail(evt, bmp);
+	if (result < 0)
+		return result;
+
+	mutex_lock(&rc->rsvs_mutex);
+	bitmap_copy(rc->drp_avail.global, bmp, UWB_NUM_MAS);
+	rc->drp_avail.ie_valid = false;
+	mutex_unlock(&rc->rsvs_mutex);
+
+	uwb_rsv_sched_update(rc);
+
+	return 0;
+}
diff --git a/drivers/uwb/drp-ie.c b/drivers/uwb/drp-ie.c
new file mode 100644
index 00000000000..882724c5f12
--- /dev/null
+++ b/drivers/uwb/drp-ie.c
@@ -0,0 +1,232 @@
+/*
+ * UWB DRP IE management.
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/random.h>
+#include <linux/uwb.h>
+
+#include "uwb-internal.h"
+
+/*
+ * Allocate a DRP IE.
+ *
+ * To save having to free/allocate a DRP IE when its MAS changes,
+ * enough memory is allocated for the maxiumum number of DRP
+ * allocation fields.  This gives an overhead per reservation of up to
+ * (UWB_NUM_ZONES - 1) * 4 = 60 octets.
+ */
+static struct uwb_ie_drp *uwb_drp_ie_alloc(void)
+{
+	struct uwb_ie_drp *drp_ie;
+	unsigned tiebreaker;
+
+	drp_ie = kzalloc(sizeof(struct uwb_ie_drp) +
+			UWB_NUM_ZONES * sizeof(struct uwb_drp_alloc),
+			GFP_KERNEL);
+	if (drp_ie) {
+		drp_ie->hdr.element_id = UWB_IE_DRP;
+
+		get_random_bytes(&tiebreaker, sizeof(unsigned));
+		uwb_ie_drp_set_tiebreaker(drp_ie, tiebreaker & 1);
+	}
+	return drp_ie;
+}
+
+
+/*
+ * Fill a DRP IE's allocation fields from a MAS bitmap.
+ */
+static void uwb_drp_ie_from_bm(struct uwb_ie_drp *drp_ie,
+			       struct uwb_mas_bm *mas)
+{
+	int z, i, num_fields = 0, next = 0;
+	struct uwb_drp_alloc *zones;
+	__le16 current_bmp;
+	DECLARE_BITMAP(tmp_bmp, UWB_NUM_MAS);
+	DECLARE_BITMAP(tmp_mas_bm, UWB_MAS_PER_ZONE);
+
+	zones = drp_ie->allocs;
+
+	bitmap_copy(tmp_bmp, mas->bm, UWB_NUM_MAS);
+
+	/* Determine unique MAS bitmaps in zones from bitmap. */
+	for (z = 0; z < UWB_NUM_ZONES; z++) {
+		bitmap_copy(tmp_mas_bm, tmp_bmp, UWB_MAS_PER_ZONE);
+		if (bitmap_weight(tmp_mas_bm, UWB_MAS_PER_ZONE) > 0) {
+			bool found = false;
+			current_bmp = (__le16) *tmp_mas_bm;
+			for (i = 0; i < next; i++) {
+				if (current_bmp == zones[i].mas_bm) {
+					zones[i].zone_bm |= 1 << z;
+					found = true;
+					break;
+				}
+			}
+			if (!found)  {
+				num_fields++;
+				zones[next].zone_bm = 1 << z;
+				zones[next].mas_bm = current_bmp;
+				next++;
+			}
+		}
+		bitmap_shift_right(tmp_bmp, tmp_bmp, UWB_MAS_PER_ZONE, UWB_NUM_MAS);
+	}
+
+	/* Store in format ready for transmission (le16). */
+	for (i = 0; i < num_fields; i++) {
+		drp_ie->allocs[i].zone_bm = cpu_to_le16(zones[i].zone_bm);
+		drp_ie->allocs[i].mas_bm = cpu_to_le16(zones[i].mas_bm);
+	}
+
+	drp_ie->hdr.length = sizeof(struct uwb_ie_drp) - sizeof(struct uwb_ie_hdr)
+		+ num_fields * sizeof(struct uwb_drp_alloc);
+}
+
+/**
+ * uwb_drp_ie_update - update a reservation's DRP IE
+ * @rsv: the reservation
+ */
+int uwb_drp_ie_update(struct uwb_rsv *rsv)
+{
+	struct device *dev = &rsv->rc->uwb_dev.dev;
+	struct uwb_ie_drp *drp_ie;
+	int reason_code, status;
+
+	switch (rsv->state) {
+	case UWB_RSV_STATE_NONE:
+		kfree(rsv->drp_ie);
+		rsv->drp_ie = NULL;
+		return 0;
+	case UWB_RSV_STATE_O_INITIATED:
+		reason_code = UWB_DRP_REASON_ACCEPTED;
+		status = 0;
+		break;
+	case UWB_RSV_STATE_O_PENDING:
+		reason_code = UWB_DRP_REASON_ACCEPTED;
+		status = 0;
+		break;
+	case UWB_RSV_STATE_O_MODIFIED:
+		reason_code = UWB_DRP_REASON_MODIFIED;
+		status = 1;
+		break;
+	case UWB_RSV_STATE_O_ESTABLISHED:
+		reason_code = UWB_DRP_REASON_ACCEPTED;
+		status = 1;
+		break;
+	case UWB_RSV_STATE_T_ACCEPTED:
+		reason_code = UWB_DRP_REASON_ACCEPTED;
+		status = 1;
+		break;
+	case UWB_RSV_STATE_T_DENIED:
+		reason_code = UWB_DRP_REASON_DENIED;
+		status = 0;
+		break;
+	default:
+		dev_dbg(dev, "rsv with unhandled state (%d)\n", rsv->state);
+		return -EINVAL;
+	}
+
+	if (rsv->drp_ie == NULL) {
+		rsv->drp_ie = uwb_drp_ie_alloc();
+		if (rsv->drp_ie == NULL)
+			return -ENOMEM;
+	}
+	drp_ie = rsv->drp_ie;
+
+	uwb_ie_drp_set_owner(drp_ie,        uwb_rsv_is_owner(rsv));
+	uwb_ie_drp_set_status(drp_ie,       status);
+	uwb_ie_drp_set_reason_code(drp_ie,  reason_code);
+	uwb_ie_drp_set_stream_index(drp_ie, rsv->stream);
+	uwb_ie_drp_set_type(drp_ie,         rsv->type);
+
+	if (uwb_rsv_is_owner(rsv)) {
+		switch (rsv->target.type) {
+		case UWB_RSV_TARGET_DEV:
+			drp_ie->dev_addr = rsv->target.dev->dev_addr;
+			break;
+		case UWB_RSV_TARGET_DEVADDR:
+			drp_ie->dev_addr = rsv->target.devaddr;
+			break;
+		}
+	} else
+		drp_ie->dev_addr = rsv->owner->dev_addr;
+
+	uwb_drp_ie_from_bm(drp_ie, &rsv->mas);
+
+	rsv->ie_valid = true;
+	return 0;
+}
+
+/*
+ * Set MAS bits from given MAS bitmap in a single zone of large bitmap.
+ *
+ * We are given a zone id and the MAS bitmap of bits that need to be set in
+ * this zone. Note that this zone may already have bits set and this only
+ * adds settings - we cannot simply assign the MAS bitmap contents to the
+ * zone contents. We iterate over the the bits (MAS) in the zone and set the
+ * bits that are set in the given MAS bitmap.
+ */
+static
+void uwb_drp_ie_single_zone_to_bm(struct uwb_mas_bm *bm, u8 zone, u16 mas_bm)
+{
+	int mas;
+	u16 mas_mask;
+
+	for (mas = 0; mas < UWB_MAS_PER_ZONE; mas++) {
+		mas_mask = 1 << mas;
+		if (mas_bm & mas_mask)
+			set_bit(zone * UWB_NUM_ZONES + mas, bm->bm);
+	}
+}
+
+/**
+ * uwb_drp_ie_zones_to_bm - convert DRP allocation fields to a bitmap
+ * @mas:    MAS bitmap that will be populated to correspond to the
+ *          allocation fields in the DRP IE
+ * @drp_ie: the DRP IE that contains the allocation fields.
+ *
+ * The input format is an array of MAS allocation fields (16 bit Zone
+ * bitmap, 16 bit MAS bitmap) as described in [ECMA-368] section
+ * 16.8.6. The output is a full 256 bit MAS bitmap.
+ *
+ * We go over all the allocation fields, for each allocation field we
+ * know which zones are impacted. We iterate over all the zones
+ * impacted and call a function that will set the correct MAS bits in
+ * each zone.
+ */
+void uwb_drp_ie_to_bm(struct uwb_mas_bm *bm, const struct uwb_ie_drp *drp_ie)
+{
+	int numallocs = (drp_ie->hdr.length - 4) / 4;
+	const struct uwb_drp_alloc *alloc;
+	int cnt;
+	u16 zone_bm, mas_bm;
+	u8 zone;
+	u16 zone_mask;
+
+	for (cnt = 0; cnt < numallocs; cnt++) {
+		alloc = &drp_ie->allocs[cnt];
+		zone_bm = le16_to_cpu(alloc->zone_bm);
+		mas_bm = le16_to_cpu(alloc->mas_bm);
+		for (zone = 0; zone < UWB_NUM_ZONES; zone++)   {
+			zone_mask = 1 << zone;
+			if (zone_bm & zone_mask)
+				uwb_drp_ie_single_zone_to_bm(bm, zone, mas_bm);
+		}
+	}
+}
diff --git a/drivers/uwb/drp.c b/drivers/uwb/drp.c
new file mode 100644
index 00000000000..c0b1e5e2bd0
--- /dev/null
+++ b/drivers/uwb/drp.c
@@ -0,0 +1,461 @@
+/*
+ * Ultra Wide Band
+ * Dynamic Reservation Protocol handling
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kthread.h>
+#include <linux/freezer.h>
+#include <linux/delay.h>
+#include "uwb-internal.h"
+
+/**
+ * Construct and send the SET DRP IE
+ *
+ * @rc:         UWB Host controller
+ * @returns:    >= 0 number of bytes still available in the beacon
+ *              < 0 errno code on error.
+ *
+ * See WUSB[8.6.2.7]: The host must set all the DRP IEs that it wants the
+ * device to include in its beacon at the same time. We thus have to
+ * traverse all reservations and include the DRP IEs of all PENDING
+ * and NEGOTIATED reservations in a SET DRP command for transmission.
+ *
+ * A DRP Availability IE is appended.
+ *
+ * rc->uwb_dev.mutex is held
+ *
+ * FIXME We currently ignore the returned value indicating the remaining space
+ * in beacon. This could be used to deny reservation requests earlier if
+ * determined that they would cause the beacon space to be exceeded.
+ */
+static
+int uwb_rc_gen_send_drp_ie(struct uwb_rc *rc)
+{
+	int result;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_rc_cmd_set_drp_ie *cmd;
+	struct uwb_rc_evt_set_drp_ie reply;
+	struct uwb_rsv *rsv;
+	int num_bytes = 0;
+	u8 *IEDataptr;
+
+	result = -ENOMEM;
+	/* First traverse all reservations to determine memory needed. */
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		if (rsv->drp_ie != NULL)
+			num_bytes += rsv->drp_ie->hdr.length + 2;
+	}
+	num_bytes += sizeof(rc->drp_avail.ie);
+	cmd = kzalloc(sizeof(*cmd) + num_bytes, GFP_KERNEL);
+	if (cmd == NULL)
+		goto error;
+	cmd->rccb.bCommandType = UWB_RC_CET_GENERAL;
+	cmd->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_SET_DRP_IE);
+	cmd->wIELength = num_bytes;
+	IEDataptr = (u8 *)&cmd->IEData[0];
+
+	/* Next traverse all reservations to place IEs in allocated memory. */
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		if (rsv->drp_ie != NULL) {
+			memcpy(IEDataptr, rsv->drp_ie,
+			       rsv->drp_ie->hdr.length + 2);
+			IEDataptr += rsv->drp_ie->hdr.length + 2;
+		}
+	}
+	memcpy(IEDataptr, &rc->drp_avail.ie, sizeof(rc->drp_avail.ie));
+
+	reply.rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply.rceb.wEvent = UWB_RC_CMD_SET_DRP_IE;
+	result = uwb_rc_cmd(rc, "SET-DRP-IE", &cmd->rccb,
+			sizeof(*cmd) + num_bytes, &reply.rceb,
+			sizeof(reply));
+	if (result < 0)
+		goto error_cmd;
+	result = le16_to_cpu(reply.wRemainingSpace);
+	if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: command execution "
+				"failed: %s (%d). RemainingSpace in beacon "
+				"= %d\n", uwb_rc_strerror(reply.bResultCode),
+				reply.bResultCode, result);
+		result = -EIO;
+	} else {
+		dev_dbg(dev, "SET-DRP-IE sent. RemainingSpace in beacon "
+			     "= %d.\n", result);
+		result = 0;
+	}
+error_cmd:
+	kfree(cmd);
+error:
+	return result;
+
+}
+/**
+ * Send all DRP IEs associated with this host
+ *
+ * @returns:    >= 0 number of bytes still available in the beacon
+ *              < 0 errno code on error.
+ *
+ * As per the protocol we obtain the host controller device lock to access
+ * bandwidth structures.
+ */
+int uwb_rc_send_all_drp_ie(struct uwb_rc *rc)
+{
+	int result;
+
+	mutex_lock(&rc->uwb_dev.mutex);
+	result = uwb_rc_gen_send_drp_ie(rc);
+	mutex_unlock(&rc->uwb_dev.mutex);
+	return result;
+}
+
+void uwb_drp_handle_timeout(struct uwb_rsv *rsv)
+{
+	struct device *dev = &rsv->rc->uwb_dev.dev;
+
+	dev_dbg(dev, "reservation timeout in state %s (%d)\n",
+		uwb_rsv_state_str(rsv->state), rsv->state);
+
+	switch (rsv->state) {
+	case UWB_RSV_STATE_O_INITIATED:
+		if (rsv->is_multicast) {
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+			return;
+		}
+		break;
+	case UWB_RSV_STATE_O_ESTABLISHED:
+		if (rsv->is_multicast)
+			return;
+		break;
+	default:
+		break;
+	}
+	uwb_rsv_remove(rsv);
+}
+
+/*
+ * Based on the DRP IE, transition a target reservation to a new
+ * state.
+ */
+static void uwb_drp_process_target(struct uwb_rc *rc, struct uwb_rsv *rsv,
+				   struct uwb_ie_drp *drp_ie)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	int status;
+	enum uwb_drp_reason reason_code;
+
+	status = uwb_ie_drp_status(drp_ie);
+	reason_code = uwb_ie_drp_reason_code(drp_ie);
+
+	if (status) {
+		switch (reason_code) {
+		case UWB_DRP_REASON_ACCEPTED:
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_T_ACCEPTED);
+			break;
+		case UWB_DRP_REASON_MODIFIED:
+			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
+				reason_code, status);
+			break;
+		default:
+			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
+				 reason_code, status);
+		}
+	} else {
+		switch (reason_code) {
+		case UWB_DRP_REASON_ACCEPTED:
+			/* New reservations are handled in uwb_rsv_find(). */
+			break;
+		case UWB_DRP_REASON_DENIED:
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+			break;
+		case UWB_DRP_REASON_CONFLICT:
+		case UWB_DRP_REASON_MODIFIED:
+			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
+				reason_code, status);
+			break;
+		default:
+			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
+				 reason_code, status);
+		}
+	}
+}
+
+/*
+ * Based on the DRP IE, transition an owner reservation to a new
+ * state.
+ */
+static void uwb_drp_process_owner(struct uwb_rc *rc, struct uwb_rsv *rsv,
+				  struct uwb_ie_drp *drp_ie)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	int status;
+	enum uwb_drp_reason reason_code;
+
+	status = uwb_ie_drp_status(drp_ie);
+	reason_code = uwb_ie_drp_reason_code(drp_ie);
+
+	if (status) {
+		switch (reason_code) {
+		case UWB_DRP_REASON_ACCEPTED:
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+			break;
+		case UWB_DRP_REASON_MODIFIED:
+			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
+				reason_code, status);
+			break;
+		default:
+			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
+				 reason_code, status);
+		}
+	} else {
+		switch (reason_code) {
+		case UWB_DRP_REASON_PENDING:
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_PENDING);
+			break;
+		case UWB_DRP_REASON_DENIED:
+			uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+			break;
+		case UWB_DRP_REASON_CONFLICT:
+		case UWB_DRP_REASON_MODIFIED:
+			dev_err(dev, "FIXME: unhandled reason code (%d/%d)\n",
+				reason_code, status);
+			break;
+		default:
+			dev_warn(dev, "ignoring invalid DRP IE state (%d/%d)\n",
+				 reason_code, status);
+		}
+	}
+}
+
+/*
+ * Process a received DRP IE, it's either for a reservation owned by
+ * the RC or targeted at it (or it's for a WUSB cluster reservation).
+ */
+static void uwb_drp_process(struct uwb_rc *rc, struct uwb_dev *src,
+		     struct uwb_ie_drp *drp_ie)
+{
+	struct uwb_rsv *rsv;
+
+	rsv = uwb_rsv_find(rc, src, drp_ie);
+	if (!rsv) {
+		/*
+		 * No reservation? It's either for a recently
+		 * terminated reservation; or the DRP IE couldn't be
+		 * processed (e.g., an invalid IE or out of memory).
+		 */
+		return;
+	}
+
+	/*
+	 * Do nothing with DRP IEs for reservations that have been
+	 * terminated.
+	 */
+	if (rsv->state == UWB_RSV_STATE_NONE) {
+		uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+		return;
+	}
+
+	if (uwb_ie_drp_owner(drp_ie))
+		uwb_drp_process_target(rc, rsv, drp_ie);
+	else
+		uwb_drp_process_owner(rc, rsv, drp_ie);
+}
+
+
+/*
+ * Process all the DRP IEs (both DRP IEs and the DRP Availability IE)
+ * from a device.
+ */
+static
+void uwb_drp_process_all(struct uwb_rc *rc, struct uwb_rc_evt_drp *drp_evt,
+			 size_t ielen, struct uwb_dev *src_dev)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_ie_hdr *ie_hdr;
+	void *ptr;
+
+	ptr = drp_evt->ie_data;
+	for (;;) {
+		ie_hdr = uwb_ie_next(&ptr, &ielen);
+		if (!ie_hdr)
+			break;
+
+		switch (ie_hdr->element_id) {
+		case UWB_IE_DRP_AVAILABILITY:
+			/* FIXME: does something need to be done with this? */
+			break;
+		case UWB_IE_DRP:
+			uwb_drp_process(rc, src_dev, (struct uwb_ie_drp *)ie_hdr);
+			break;
+		default:
+			dev_warn(dev, "unexpected IE in DRP notification\n");
+			break;
+		}
+	}
+
+	if (ielen > 0)
+		dev_warn(dev, "%d octets remaining in DRP notification\n",
+			 (int)ielen);
+}
+
+
+/*
+ * Go through all the DRP IEs and find the ones that conflict with our
+ * reservations.
+ *
+ * FIXME: must resolve the conflict according the the rules in
+ * [ECMA-368].
+ */
+static
+void uwb_drp_process_conflict_all(struct uwb_rc *rc, struct uwb_rc_evt_drp *drp_evt,
+				  size_t ielen, struct uwb_dev *src_dev)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_ie_hdr *ie_hdr;
+	struct uwb_ie_drp *drp_ie;
+	void *ptr;
+
+	ptr = drp_evt->ie_data;
+	for (;;) {
+		ie_hdr = uwb_ie_next(&ptr, &ielen);
+		if (!ie_hdr)
+			break;
+
+		drp_ie = container_of(ie_hdr, struct uwb_ie_drp, hdr);
+
+		/* FIXME: check if this DRP IE conflicts. */
+	}
+
+	if (ielen > 0)
+		dev_warn(dev, "%d octets remaining in DRP notification\n",
+			 (int)ielen);
+}
+
+
+/*
+ * Terminate all reservations owned by, or targeted at, 'uwb_dev'.
+ */
+static void uwb_drp_terminate_all(struct uwb_rc *rc, struct uwb_dev *uwb_dev)
+{
+	struct uwb_rsv *rsv;
+
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		if (rsv->owner == uwb_dev
+		    || (rsv->target.type == UWB_RSV_TARGET_DEV && rsv->target.dev == uwb_dev))
+			uwb_rsv_remove(rsv);
+	}
+}
+
+
+/**
+ * uwbd_evt_handle_rc_drp - handle a DRP_IE event
+ * @evt: the DRP_IE event from the radio controller
+ *
+ * This processes DRP notifications from the radio controller, either
+ * initiating a new reservation or transitioning an existing
+ * reservation into a different state.
+ *
+ * DRP notifications can occur for three different reasons:
+ *
+ * - UWB_DRP_NOTIF_DRP_IE_RECVD: one or more DRP IEs with the RC as
+ *   the target or source have been recieved.
+ *
+ *   These DRP IEs could be new or for an existing reservation.
+ *
+ *   If the DRP IE for an existing reservation ceases to be to
+ *   recieved for at least mMaxLostBeacons, the reservation should be
+ *   considered to be terminated.  Note that the TERMINATE reason (see
+ *   below) may not always be signalled (e.g., the remote device has
+ *   two or more reservations established with the RC).
+ *
+ * - UWB_DRP_NOTIF_CONFLICT: DRP IEs from any device in the beacon
+ *   group conflict with the RC's reservations.
+ *
+ * - UWB_DRP_NOTIF_TERMINATE: DRP IEs are no longer being received
+ *   from a device (i.e., it's terminated all reservations).
+ *
+ * Only the software state of the reservations is changed; the setting
+ * of the radio controller's DRP IEs is done after all the events in
+ * an event buffer are processed.  This saves waiting multiple times
+ * for the SET_DRP_IE command to complete.
+ */
+int uwbd_evt_handle_rc_drp(struct uwb_event *evt)
+{
+	struct device *dev = &evt->rc->uwb_dev.dev;
+	struct uwb_rc *rc = evt->rc;
+	struct uwb_rc_evt_drp *drp_evt;
+	size_t ielength, bytes_left;
+	struct uwb_dev_addr src_addr;
+	struct uwb_dev *src_dev;
+	int reason;
+
+	/* Is there enough data to decode the event (and any IEs in
+	   its payload)? */
+	if (evt->notif.size < sizeof(*drp_evt)) {
+		dev_err(dev, "DRP event: Not enough data to decode event "
+			"[%zu bytes left, %zu needed]\n",
+			evt->notif.size, sizeof(*drp_evt));
+		return 0;
+	}
+	bytes_left = evt->notif.size - sizeof(*drp_evt);
+	drp_evt = container_of(evt->notif.rceb, struct uwb_rc_evt_drp, rceb);
+	ielength = le16_to_cpu(drp_evt->ie_length);
+	if (bytes_left != ielength) {
+		dev_err(dev, "DRP event: Not enough data in payload [%zu"
+			"bytes left, %zu declared in the event]\n",
+			bytes_left, ielength);
+		return 0;
+	}
+
+	memcpy(src_addr.data, &drp_evt->src_addr, sizeof(src_addr));
+	src_dev = uwb_dev_get_by_devaddr(rc, &src_addr);
+	if (!src_dev) {
+		/*
+		 * A DRP notification from an unrecognized device.
+		 *
+		 * This is probably from a WUSB device that doesn't
+		 * have an EUI-48 and therefore doesn't show up in the
+		 * UWB device database.  It's safe to simply ignore
+		 * these.
+		 */
+		return 0;
+	}
+
+	mutex_lock(&rc->rsvs_mutex);
+
+	reason = uwb_rc_evt_drp_reason(drp_evt);
+
+	switch (reason) {
+	case UWB_DRP_NOTIF_DRP_IE_RCVD:
+		uwb_drp_process_all(rc, drp_evt, ielength, src_dev);
+		break;
+	case UWB_DRP_NOTIF_CONFLICT:
+		uwb_drp_process_conflict_all(rc, drp_evt, ielength, src_dev);
+		break;
+	case UWB_DRP_NOTIF_TERMINATE:
+		uwb_drp_terminate_all(rc, src_dev);
+		break;
+	default:
+		dev_warn(dev, "ignored DRP event with reason code: %d\n", reason);
+		break;
+	}
+
+	mutex_unlock(&rc->rsvs_mutex);
+
+	uwb_dev_put(src_dev);
+	return 0;
+}
diff --git a/drivers/uwb/rsv.c b/drivers/uwb/rsv.c
new file mode 100644
index 00000000000..bae16204576
--- /dev/null
+++ b/drivers/uwb/rsv.c
@@ -0,0 +1,680 @@
+/*
+ * UWB reservation management.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/uwb.h>
+
+#include "uwb-internal.h"
+
+static void uwb_rsv_timer(unsigned long arg);
+
+static const char *rsv_states[] = {
+	[UWB_RSV_STATE_NONE]          = "none",
+	[UWB_RSV_STATE_O_INITIATED]   = "initiated",
+	[UWB_RSV_STATE_O_PENDING]     = "pending",
+	[UWB_RSV_STATE_O_MODIFIED]    = "modified",
+	[UWB_RSV_STATE_O_ESTABLISHED] = "established",
+	[UWB_RSV_STATE_T_ACCEPTED]    = "accepted",
+	[UWB_RSV_STATE_T_DENIED]      = "denied",
+	[UWB_RSV_STATE_T_PENDING]     = "pending",
+};
+
+static const char *rsv_types[] = {
+	[UWB_DRP_TYPE_ALIEN_BP] = "alien-bp",
+	[UWB_DRP_TYPE_HARD]     = "hard",
+	[UWB_DRP_TYPE_SOFT]     = "soft",
+	[UWB_DRP_TYPE_PRIVATE]  = "private",
+	[UWB_DRP_TYPE_PCA]      = "pca",
+};
+
+/**
+ * uwb_rsv_state_str - return a string for a reservation state
+ * @state: the reservation state.
+ */
+const char *uwb_rsv_state_str(enum uwb_rsv_state state)
+{
+	if (state < UWB_RSV_STATE_NONE || state >= UWB_RSV_STATE_LAST)
+		return "unknown";
+	return rsv_states[state];
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_state_str);
+
+/**
+ * uwb_rsv_type_str - return a string for a reservation type
+ * @type: the reservation type
+ */
+const char *uwb_rsv_type_str(enum uwb_drp_type type)
+{
+	if (type < UWB_DRP_TYPE_ALIEN_BP || type > UWB_DRP_TYPE_PCA)
+		return "invalid";
+	return rsv_types[type];
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_type_str);
+
+static void uwb_rsv_dump(struct uwb_rsv *rsv)
+{
+	struct device *dev = &rsv->rc->uwb_dev.dev;
+	struct uwb_dev_addr devaddr;
+	char owner[UWB_ADDR_STRSIZE], target[UWB_ADDR_STRSIZE];
+
+	uwb_dev_addr_print(owner, sizeof(owner), &rsv->owner->dev_addr);
+	if (rsv->target.type == UWB_RSV_TARGET_DEV)
+		devaddr = rsv->target.dev->dev_addr;
+	else
+		devaddr = rsv->target.devaddr;
+	uwb_dev_addr_print(target, sizeof(target), &devaddr);
+
+	dev_dbg(dev, "rsv %s -> %s: %s\n", owner, target, uwb_rsv_state_str(rsv->state));
+}
+
+/*
+ * Get a free stream index for a reservation.
+ *
+ * If the target is a DevAddr (e.g., a WUSB cluster reservation) then
+ * the stream is allocated from a pool of per-RC stream indexes,
+ * otherwise a unique stream index for the target is selected.
+ */
+static int uwb_rsv_get_stream(struct uwb_rsv *rsv)
+{
+	struct uwb_rc *rc = rsv->rc;
+	unsigned long *streams_bm;
+	int stream;
+
+	switch (rsv->target.type) {
+	case UWB_RSV_TARGET_DEV:
+		streams_bm = rsv->target.dev->streams;
+		break;
+	case UWB_RSV_TARGET_DEVADDR:
+		streams_bm = rc->uwb_dev.streams;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	stream = find_first_zero_bit(streams_bm, UWB_NUM_STREAMS);
+	if (stream >= UWB_NUM_STREAMS)
+		return -EBUSY;
+
+	rsv->stream = stream;
+	set_bit(stream, streams_bm);
+
+	return 0;
+}
+
+static void uwb_rsv_put_stream(struct uwb_rsv *rsv)
+{
+	struct uwb_rc *rc = rsv->rc;
+	unsigned long *streams_bm;
+
+	switch (rsv->target.type) {
+	case UWB_RSV_TARGET_DEV:
+		streams_bm = rsv->target.dev->streams;
+		break;
+	case UWB_RSV_TARGET_DEVADDR:
+		streams_bm = rc->uwb_dev.streams;
+		break;
+	default:
+		return;
+	}
+
+	clear_bit(rsv->stream, streams_bm);
+}
+
+/*
+ * Generate a MAS allocation with a single row component.
+ */
+static void uwb_rsv_gen_alloc_row(struct uwb_mas_bm *mas,
+				  int first_mas, int mas_per_zone,
+				  int zs, int ze)
+{
+	struct uwb_mas_bm col;
+	int z;
+
+	bitmap_zero(mas->bm, UWB_NUM_MAS);
+	bitmap_zero(col.bm, UWB_NUM_MAS);
+	bitmap_fill(col.bm, mas_per_zone);
+	bitmap_shift_left(col.bm, col.bm, first_mas + zs * UWB_MAS_PER_ZONE, UWB_NUM_MAS);
+
+	for (z = zs; z <= ze; z++) {
+		bitmap_or(mas->bm, mas->bm, col.bm, UWB_NUM_MAS);
+		bitmap_shift_left(col.bm, col.bm, UWB_MAS_PER_ZONE, UWB_NUM_MAS);
+	}
+}
+
+/*
+ * Allocate some MAS for this reservation based on current local
+ * availability, the reservation parameters (max_mas, min_mas,
+ * sparsity), and the WiMedia rules for MAS allocations.
+ *
+ * Returns -EBUSY is insufficient free MAS are available.
+ *
+ * FIXME: to simplify this, only safe reservations with a single row
+ * component in zones 1 to 15 are tried (zone 0 is skipped to avoid
+ * problems with the MAS reserved for the BP).
+ *
+ * [ECMA-368] section B.2.
+ */
+static int uwb_rsv_alloc_mas(struct uwb_rsv *rsv)
+{
+	static const int safe_mas_in_row[UWB_NUM_ZONES] = {
+		8, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1,
+	};
+	int n, r;
+	struct uwb_mas_bm mas;
+	bool found = false;
+
+	/*
+	 * Search all valid safe allocations until either: too few MAS
+	 * are available; or the smallest allocation with sufficient
+	 * MAS is found.
+	 *
+	 * The top of the zones are preferred, so space for larger
+	 * allocations is available in the bottom of the zone (e.g., a
+	 * 15 MAS allocation should start in row 14 leaving space for
+	 * a 120 MAS allocation at row 0).
+	 */
+	for (n = safe_mas_in_row[0]; n >= 1; n--) {
+		int num_mas;
+
+		num_mas = n * (UWB_NUM_ZONES - 1);
+		if (num_mas < rsv->min_mas)
+			break;
+		if (found && num_mas < rsv->max_mas)
+			break;
+
+		for (r = UWB_MAS_PER_ZONE-1;  r >= 0; r--) {
+			if (safe_mas_in_row[r] < n)
+				continue;
+			uwb_rsv_gen_alloc_row(&mas, r, n, 1, UWB_NUM_ZONES);
+			if (uwb_drp_avail_reserve_pending(rsv->rc, &mas) == 0) {
+				found = true;
+				break;
+			}
+		}
+	}
+
+	if (!found)
+		return -EBUSY;
+
+	bitmap_copy(rsv->mas.bm, mas.bm, UWB_NUM_MAS);
+	return 0;
+}
+
+static void uwb_rsv_stroke_timer(struct uwb_rsv *rsv)
+{
+	int sframes = UWB_MAX_LOST_BEACONS;
+
+	/*
+	 * Multicast reservations can become established within 1
+	 * super frame and should not be terminated if no response is
+	 * received.
+	 */
+	if (rsv->is_multicast) {
+		if (rsv->state == UWB_RSV_STATE_O_INITIATED)
+			sframes = 1;
+		if (rsv->state == UWB_RSV_STATE_O_ESTABLISHED)
+			sframes = 0;
+	}
+
+	rsv->expired = false;
+	if (sframes > 0) {
+		/*
+		 * Add an additional 2 superframes to account for the
+		 * time to send the SET DRP IE command.
+		 */
+		unsigned timeout_us = (sframes + 2) * UWB_SUPERFRAME_LENGTH_US;
+		mod_timer(&rsv->timer, jiffies + usecs_to_jiffies(timeout_us));
+	} else
+		del_timer(&rsv->timer);
+}
+
+/*
+ * Update a reservations state, and schedule an update of the
+ * transmitted DRP IEs.
+ */
+static void uwb_rsv_state_update(struct uwb_rsv *rsv,
+				 enum uwb_rsv_state new_state)
+{
+	rsv->state = new_state;
+	rsv->ie_valid = false;
+
+	uwb_rsv_dump(rsv);
+
+	uwb_rsv_stroke_timer(rsv);
+	uwb_rsv_sched_update(rsv->rc);
+}
+
+static void uwb_rsv_callback(struct uwb_rsv *rsv)
+{
+	if (rsv->callback)
+		rsv->callback(rsv);
+}
+
+void uwb_rsv_set_state(struct uwb_rsv *rsv, enum uwb_rsv_state new_state)
+{
+	if (rsv->state == new_state) {
+		switch (rsv->state) {
+		case UWB_RSV_STATE_O_ESTABLISHED:
+		case UWB_RSV_STATE_T_ACCEPTED:
+		case UWB_RSV_STATE_NONE:
+			uwb_rsv_stroke_timer(rsv);
+			break;
+		default:
+			/* Expecting a state transition so leave timer
+			   as-is. */
+			break;
+		}
+		return;
+	}
+
+	switch (new_state) {
+	case UWB_RSV_STATE_NONE:
+		uwb_drp_avail_release(rsv->rc, &rsv->mas);
+		uwb_rsv_put_stream(rsv);
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_NONE);
+		uwb_rsv_callback(rsv);
+		break;
+	case UWB_RSV_STATE_O_INITIATED:
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_INITIATED);
+		break;
+	case UWB_RSV_STATE_O_PENDING:
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_PENDING);
+		break;
+	case UWB_RSV_STATE_O_ESTABLISHED:
+		uwb_drp_avail_reserve(rsv->rc, &rsv->mas);
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_O_ESTABLISHED);
+		uwb_rsv_callback(rsv);
+		break;
+	case UWB_RSV_STATE_T_ACCEPTED:
+		uwb_drp_avail_reserve(rsv->rc, &rsv->mas);
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_T_ACCEPTED);
+		uwb_rsv_callback(rsv);
+		break;
+	case UWB_RSV_STATE_T_DENIED:
+		uwb_rsv_state_update(rsv, UWB_RSV_STATE_T_DENIED);
+		break;
+	default:
+		dev_err(&rsv->rc->uwb_dev.dev, "unhandled state: %s (%d)\n",
+			uwb_rsv_state_str(new_state), new_state);
+	}
+}
+
+static struct uwb_rsv *uwb_rsv_alloc(struct uwb_rc *rc)
+{
+	struct uwb_rsv *rsv;
+
+	rsv = kzalloc(sizeof(struct uwb_rsv), GFP_KERNEL);
+	if (!rsv)
+		return NULL;
+
+	INIT_LIST_HEAD(&rsv->rc_node);
+	INIT_LIST_HEAD(&rsv->pal_node);
+	init_timer(&rsv->timer);
+	rsv->timer.function = uwb_rsv_timer;
+	rsv->timer.data     = (unsigned long)rsv;
+
+	rsv->rc = rc;
+
+	return rsv;
+}
+
+static void uwb_rsv_free(struct uwb_rsv *rsv)
+{
+	uwb_dev_put(rsv->owner);
+	if (rsv->target.type == UWB_RSV_TARGET_DEV)
+		uwb_dev_put(rsv->target.dev);
+	kfree(rsv);
+}
+
+/**
+ * uwb_rsv_create - allocate and initialize a UWB reservation structure
+ * @rc: the radio controller
+ * @cb: callback to use when the reservation completes or terminates
+ * @pal_priv: data private to the PAL to be passed in the callback
+ *
+ * The callback is called when the state of the reservation changes from:
+ *
+ *   - pending to accepted
+ *   - pending to denined
+ *   - accepted to terminated
+ *   - pending to terminated
+ */
+struct uwb_rsv *uwb_rsv_create(struct uwb_rc *rc, uwb_rsv_cb_f cb, void *pal_priv)
+{
+	struct uwb_rsv *rsv;
+
+	rsv = uwb_rsv_alloc(rc);
+	if (!rsv)
+		return NULL;
+
+	rsv->callback = cb;
+	rsv->pal_priv = pal_priv;
+
+	return rsv;
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_create);
+
+void uwb_rsv_remove(struct uwb_rsv *rsv)
+{
+	if (rsv->state != UWB_RSV_STATE_NONE)
+		uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+	del_timer_sync(&rsv->timer);
+	list_del(&rsv->rc_node);
+	uwb_rsv_free(rsv);
+}
+
+/**
+ * uwb_rsv_destroy - free a UWB reservation structure
+ * @rsv: the reservation to free
+ *
+ * The reservation will be terminated if it is pending or established.
+ */
+void uwb_rsv_destroy(struct uwb_rsv *rsv)
+{
+	struct uwb_rc *rc = rsv->rc;
+
+	mutex_lock(&rc->rsvs_mutex);
+	uwb_rsv_remove(rsv);
+	mutex_unlock(&rc->rsvs_mutex);
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_destroy);
+
+/**
+ * usb_rsv_establish - start a reservation establishment
+ * @rsv: the reservation
+ *
+ * The PAL should fill in @rsv's owner, target, type, max_mas,
+ * min_mas, sparsity and is_multicast fields.  If the target is a
+ * uwb_dev it must be referenced.
+ *
+ * The reservation's callback will be called when the reservation is
+ * accepted, denied or times out.
+ */
+int uwb_rsv_establish(struct uwb_rsv *rsv)
+{
+	struct uwb_rc *rc = rsv->rc;
+	int ret;
+
+	mutex_lock(&rc->rsvs_mutex);
+
+	ret = uwb_rsv_get_stream(rsv);
+	if (ret)
+		goto out;
+
+	ret = uwb_rsv_alloc_mas(rsv);
+	if (ret) {
+		uwb_rsv_put_stream(rsv);
+		goto out;
+	}
+
+	list_add_tail(&rsv->rc_node, &rc->reservations);
+	rsv->owner = &rc->uwb_dev;
+	uwb_dev_get(rsv->owner);
+	uwb_rsv_set_state(rsv, UWB_RSV_STATE_O_INITIATED);
+out:
+	mutex_unlock(&rc->rsvs_mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_establish);
+
+/**
+ * uwb_rsv_modify - modify an already established reservation
+ * @rsv: the reservation to modify
+ * @max_mas: new maximum MAS to reserve
+ * @min_mas: new minimum MAS to reserve
+ * @sparsity: new sparsity to use
+ *
+ * FIXME: implement this once there are PALs that use it.
+ */
+int uwb_rsv_modify(struct uwb_rsv *rsv, int max_mas, int min_mas, int sparsity)
+{
+	return -ENOSYS;
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_modify);
+
+/**
+ * uwb_rsv_terminate - terminate an established reservation
+ * @rsv: the reservation to terminate
+ *
+ * A reservation is terminated by removing the DRP IE from the beacon,
+ * the other end will consider the reservation to be terminated when
+ * it does not see the DRP IE for at least mMaxLostBeacons.
+ *
+ * If applicable, the reference to the target uwb_dev will be released.
+ */
+void uwb_rsv_terminate(struct uwb_rsv *rsv)
+{
+	struct uwb_rc *rc = rsv->rc;
+
+	mutex_lock(&rc->rsvs_mutex);
+
+	uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE);
+
+	mutex_unlock(&rc->rsvs_mutex);
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_terminate);
+
+/**
+ * uwb_rsv_accept - accept a new reservation from a peer
+ * @rsv:      the reservation
+ * @cb:       call back for reservation changes
+ * @pal_priv: data to be passed in the above call back
+ *
+ * Reservation requests from peers are denied unless a PAL accepts it
+ * by calling this function.
+ */
+void uwb_rsv_accept(struct uwb_rsv *rsv, uwb_rsv_cb_f cb, void *pal_priv)
+{
+	rsv->callback = cb;
+	rsv->pal_priv = pal_priv;
+	rsv->state    = UWB_RSV_STATE_T_ACCEPTED;
+}
+EXPORT_SYMBOL_GPL(uwb_rsv_accept);
+
+/*
+ * Is a received DRP IE for this reservation?
+ */
+static bool uwb_rsv_match(struct uwb_rsv *rsv, struct uwb_dev *src,
+			  struct uwb_ie_drp *drp_ie)
+{
+	struct uwb_dev_addr *rsv_src;
+	int stream;
+
+	stream = uwb_ie_drp_stream_index(drp_ie);
+
+	if (rsv->stream != stream)
+		return false;
+
+	switch (rsv->target.type) {
+	case UWB_RSV_TARGET_DEVADDR:
+		return rsv->stream == stream;
+	case UWB_RSV_TARGET_DEV:
+		if (uwb_ie_drp_owner(drp_ie))
+			rsv_src = &rsv->owner->dev_addr;
+		else
+			rsv_src = &rsv->target.dev->dev_addr;
+		return uwb_dev_addr_cmp(&src->dev_addr, rsv_src) == 0;
+	}
+	return false;
+}
+
+static struct uwb_rsv *uwb_rsv_new_target(struct uwb_rc *rc,
+					  struct uwb_dev *src,
+					  struct uwb_ie_drp *drp_ie)
+{
+	struct uwb_rsv *rsv;
+	struct uwb_pal *pal;
+	enum uwb_rsv_state state;
+
+	rsv = uwb_rsv_alloc(rc);
+	if (!rsv)
+		return NULL;
+
+	rsv->rc          = rc;
+	rsv->owner       = src;
+	uwb_dev_get(rsv->owner);
+	rsv->target.type = UWB_RSV_TARGET_DEV;
+	rsv->target.dev  = &rc->uwb_dev;
+	rsv->type        = uwb_ie_drp_type(drp_ie);
+	rsv->stream      = uwb_ie_drp_stream_index(drp_ie);
+	set_bit(rsv->stream, rsv->owner->streams);
+	uwb_drp_ie_to_bm(&rsv->mas, drp_ie);
+
+	/*
+	 * See if any PALs are interested in this reservation. If not,
+	 * deny the request.
+	 */
+	rsv->state = UWB_RSV_STATE_T_DENIED;
+	spin_lock(&rc->pal_lock);
+	list_for_each_entry(pal, &rc->pals, node) {
+		if (pal->new_rsv)
+			pal->new_rsv(rsv);
+		if (rsv->state == UWB_RSV_STATE_T_ACCEPTED)
+			break;
+	}
+	spin_unlock(&rc->pal_lock);
+
+	list_add_tail(&rsv->rc_node, &rc->reservations);
+	state = rsv->state;
+	rsv->state = UWB_RSV_STATE_NONE;
+	uwb_rsv_set_state(rsv, state);
+
+	return rsv;
+}
+
+/**
+ * uwb_rsv_find - find a reservation for a received DRP IE.
+ * @rc: the radio controller
+ * @src: source of the DRP IE
+ * @drp_ie: the DRP IE
+ *
+ * If the reservation cannot be found and the DRP IE is from a peer
+ * attempting to establish a new reservation, create a new reservation
+ * and add it to the list.
+ */
+struct uwb_rsv *uwb_rsv_find(struct uwb_rc *rc, struct uwb_dev *src,
+			     struct uwb_ie_drp *drp_ie)
+{
+	struct uwb_rsv *rsv;
+
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		if (uwb_rsv_match(rsv, src, drp_ie))
+			return rsv;
+	}
+
+	if (uwb_ie_drp_owner(drp_ie))
+		return uwb_rsv_new_target(rc, src, drp_ie);
+
+	return NULL;
+}
+
+/*
+ * Go through all the reservations and check for timeouts and (if
+ * necessary) update their DRP IEs.
+ *
+ * FIXME: look at building the SET_DRP_IE command here rather than
+ * having to rescan the list in uwb_rc_send_all_drp_ie().
+ */
+static bool uwb_rsv_update_all(struct uwb_rc *rc)
+{
+	struct uwb_rsv *rsv, *t;
+	bool ie_updated = false;
+
+	list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) {
+		if (rsv->expired)
+			uwb_drp_handle_timeout(rsv);
+		if (!rsv->ie_valid) {
+			uwb_drp_ie_update(rsv);
+			ie_updated = true;
+		}
+	}
+
+	return ie_updated;
+}
+
+void uwb_rsv_sched_update(struct uwb_rc *rc)
+{
+	queue_work(rc->rsv_workq, &rc->rsv_update_work);
+}
+
+/*
+ * Update DRP IEs and, if necessary, the DRP Availability IE and send
+ * the updated IEs to the radio controller.
+ */
+static void uwb_rsv_update_work(struct work_struct *work)
+{
+	struct uwb_rc *rc = container_of(work, struct uwb_rc, rsv_update_work);
+	bool ie_updated;
+
+	mutex_lock(&rc->rsvs_mutex);
+
+	ie_updated = uwb_rsv_update_all(rc);
+
+	if (!rc->drp_avail.ie_valid) {
+		uwb_drp_avail_ie_update(rc);
+		ie_updated = true;
+	}
+
+	if (ie_updated)
+		uwb_rc_send_all_drp_ie(rc);
+
+	mutex_unlock(&rc->rsvs_mutex);
+}
+
+static void uwb_rsv_timer(unsigned long arg)
+{
+	struct uwb_rsv *rsv = (struct uwb_rsv *)arg;
+
+	rsv->expired = true;
+	uwb_rsv_sched_update(rsv->rc);
+}
+
+void uwb_rsv_init(struct uwb_rc *rc)
+{
+	INIT_LIST_HEAD(&rc->reservations);
+	mutex_init(&rc->rsvs_mutex);
+	INIT_WORK(&rc->rsv_update_work, uwb_rsv_update_work);
+
+	bitmap_complement(rc->uwb_dev.streams, rc->uwb_dev.streams, UWB_NUM_STREAMS);
+}
+
+int uwb_rsv_setup(struct uwb_rc *rc)
+{
+	char name[16];
+
+	snprintf(name, sizeof(name), "%s_rsvd", dev_name(&rc->uwb_dev.dev));
+	rc->rsv_workq = create_singlethread_workqueue(name);
+	if (rc->rsv_workq == NULL)
+		return -ENOMEM;
+
+	return 0;
+}
+
+void uwb_rsv_cleanup(struct uwb_rc *rc)
+{
+	struct uwb_rsv *rsv, *t;
+
+	mutex_lock(&rc->rsvs_mutex);
+	list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) {
+		uwb_rsv_remove(rsv);
+	}
+	mutex_unlock(&rc->rsvs_mutex);
+
+	cancel_work_sync(&rc->rsv_update_work);
+	destroy_workqueue(rc->rsv_workq);
+}
-- 
GitLab


From 599e8d80a2cdf4f65fc49b31b27a49235c78acfe Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:10 +0100
Subject: [PATCH 0160/2224] uwb: add the UWB stack (debug support)

Add various debugfs files, principaly for the reservation manager.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/uwb-debug.c | 367 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 367 insertions(+)
 create mode 100644 drivers/uwb/uwb-debug.c

diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c
new file mode 100644
index 00000000000..6d232c35d07
--- /dev/null
+++ b/drivers/uwb/uwb-debug.c
@@ -0,0 +1,367 @@
+/*
+ * Ultra Wide Band
+ * Debug support
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: doc
+ */
+
+#include <linux/spinlock.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/notifier.h>
+#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/uaccess.h>
+#include <linux/seq_file.h>
+
+#include <linux/uwb/debug-cmd.h>
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+#include "uwb-internal.h"
+
+void dump_bytes(struct device *dev, const void *_buf, size_t rsize)
+{
+	const char *buf = _buf;
+	char line[32];
+	size_t offset = 0;
+	int cnt, cnt2;
+	for (cnt = 0; cnt < rsize; cnt += 8) {
+		size_t rtop = rsize - cnt < 8 ? rsize - cnt : 8;
+		for (offset = cnt2 = 0; cnt2 < rtop; cnt2++) {
+			offset += scnprintf(line + offset, sizeof(line) - offset,
+					    "%02x ", buf[cnt + cnt2] & 0xff);
+		}
+		if (dev)
+			dev_info(dev, "%s\n", line);
+		else
+			printk(KERN_INFO "%s\n", line);
+	}
+}
+EXPORT_SYMBOL_GPL(dump_bytes);
+
+/*
+ * Debug interface
+ *
+ * Per radio controller debugfs files (in uwb/uwbN/):
+ *
+ * command: Flexible command interface (see <linux/uwb/debug-cmd.h>).
+ *
+ * reservations: information on reservations.
+ *
+ * accept: Set to true (Y or 1) to accept reservation requests from
+ * peers.
+ *
+ * drp_avail: DRP availability information.
+ */
+
+struct uwb_dbg {
+	struct uwb_pal pal;
+
+	u32 accept;
+	struct list_head rsvs;
+
+	struct dentry *root_d;
+	struct dentry *command_f;
+	struct dentry *reservations_f;
+	struct dentry *accept_f;
+	struct dentry *drp_avail_f;
+};
+
+static struct dentry *root_dir;
+
+static void uwb_dbg_rsv_cb(struct uwb_rsv *rsv)
+{
+	struct uwb_rc *rc = rsv->rc;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct uwb_dev_addr devaddr;
+	char owner[UWB_ADDR_STRSIZE], target[UWB_ADDR_STRSIZE];
+
+	uwb_dev_addr_print(owner, sizeof(owner), &rsv->owner->dev_addr);
+	if (rsv->target.type == UWB_RSV_TARGET_DEV)
+		devaddr = rsv->target.dev->dev_addr;
+	else
+		devaddr = rsv->target.devaddr;
+	uwb_dev_addr_print(target, sizeof(target), &devaddr);
+
+	dev_dbg(dev, "debug: rsv %s -> %s: %s\n",
+		owner, target, uwb_rsv_state_str(rsv->state));
+}
+
+static int cmd_rsv_establish(struct uwb_rc *rc,
+			     struct uwb_dbg_cmd_rsv_establish *cmd)
+{
+	struct uwb_mac_addr macaddr;
+	struct uwb_rsv *rsv;
+	struct uwb_dev *target;
+	int ret;
+
+	memcpy(&macaddr, cmd->target, sizeof(macaddr));
+	target = uwb_dev_get_by_macaddr(rc, &macaddr);
+	if (target == NULL)
+		return -ENODEV;
+
+	rsv = uwb_rsv_create(rc, uwb_dbg_rsv_cb, NULL);
+	if (rsv == NULL) {
+		uwb_dev_put(target);
+		return -ENOMEM;
+	}
+
+	rsv->owner       = &rc->uwb_dev;
+	rsv->target.type = UWB_RSV_TARGET_DEV;
+	rsv->target.dev  = target;
+	rsv->type        = cmd->type;
+	rsv->max_mas     = cmd->max_mas;
+	rsv->min_mas     = cmd->min_mas;
+	rsv->sparsity    = cmd->sparsity;
+
+	ret = uwb_rsv_establish(rsv);
+	if (ret)
+		uwb_rsv_destroy(rsv);
+	else
+		list_add_tail(&rsv->pal_node, &rc->dbg->rsvs);
+
+	return ret;
+}
+
+static int cmd_rsv_terminate(struct uwb_rc *rc,
+			     struct uwb_dbg_cmd_rsv_terminate *cmd)
+{
+	struct uwb_rsv *rsv, *found = NULL;
+	int i = 0;
+
+	list_for_each_entry(rsv, &rc->dbg->rsvs, pal_node) {
+		if (i == cmd->index) {
+			found = rsv;
+			break;
+		}
+	}
+	if (!found)
+		return -EINVAL;
+
+	list_del(&found->pal_node);
+	uwb_rsv_terminate(found);
+
+	return 0;
+}
+
+static int command_open(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+
+	return 0;
+}
+
+static ssize_t command_write(struct file *file, const char __user *buf,
+			 size_t len, loff_t *off)
+{
+	struct uwb_rc *rc = file->private_data;
+	struct uwb_dbg_cmd cmd;
+	int ret;
+
+	if (len != sizeof(struct uwb_dbg_cmd))
+		return -EINVAL;
+
+	if (copy_from_user(&cmd, buf, len) != 0)
+		return -EFAULT;
+
+	switch (cmd.type) {
+	case UWB_DBG_CMD_RSV_ESTABLISH:
+		ret = cmd_rsv_establish(rc, &cmd.rsv_establish);
+		break;
+	case UWB_DBG_CMD_RSV_TERMINATE:
+		ret = cmd_rsv_terminate(rc, &cmd.rsv_terminate);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return ret < 0 ? ret : len;
+}
+
+static struct file_operations command_fops = {
+	.open   = command_open,
+	.write  = command_write,
+	.read   = NULL,
+	.llseek = no_llseek,
+	.owner  = THIS_MODULE,
+};
+
+static int reservations_print(struct seq_file *s, void *p)
+{
+	struct uwb_rc *rc = s->private;
+	struct uwb_rsv *rsv;
+
+	mutex_lock(&rc->rsvs_mutex);
+
+	list_for_each_entry(rsv, &rc->reservations, rc_node) {
+		struct uwb_dev_addr devaddr;
+		char owner[UWB_ADDR_STRSIZE], target[UWB_ADDR_STRSIZE];
+		bool is_owner;
+		char buf[72];
+
+		uwb_dev_addr_print(owner, sizeof(owner), &rsv->owner->dev_addr);
+		if (rsv->target.type == UWB_RSV_TARGET_DEV) {
+			devaddr = rsv->target.dev->dev_addr;
+			is_owner = &rc->uwb_dev == rsv->owner;
+		} else {
+			devaddr = rsv->target.devaddr;
+			is_owner = true;
+		}
+		uwb_dev_addr_print(target, sizeof(target), &devaddr);
+
+		seq_printf(s, "%c %s -> %s: %s\n",
+			   is_owner ? 'O' : 'T',
+			   owner, target, uwb_rsv_state_str(rsv->state));
+		seq_printf(s, "  stream: %d  type: %s\n",
+			   rsv->stream, uwb_rsv_type_str(rsv->type));
+		bitmap_scnprintf(buf, sizeof(buf), rsv->mas.bm, UWB_NUM_MAS);
+		seq_printf(s, "  %s\n", buf);
+	}
+
+	mutex_unlock(&rc->rsvs_mutex);
+
+	return 0;
+}
+
+static int reservations_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, reservations_print, inode->i_private);
+}
+
+static struct file_operations reservations_fops = {
+	.open    = reservations_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = single_release,
+	.owner   = THIS_MODULE,
+};
+
+static int drp_avail_print(struct seq_file *s, void *p)
+{
+	struct uwb_rc *rc = s->private;
+	char buf[72];
+
+	bitmap_scnprintf(buf, sizeof(buf), rc->drp_avail.global, UWB_NUM_MAS);
+	seq_printf(s, "global:  %s\n", buf);
+	bitmap_scnprintf(buf, sizeof(buf), rc->drp_avail.local, UWB_NUM_MAS);
+	seq_printf(s, "local:   %s\n", buf);
+	bitmap_scnprintf(buf, sizeof(buf), rc->drp_avail.pending, UWB_NUM_MAS);
+	seq_printf(s, "pending: %s\n", buf);
+
+	return 0;
+}
+
+static int drp_avail_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, drp_avail_print, inode->i_private);
+}
+
+static struct file_operations drp_avail_fops = {
+	.open    = drp_avail_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = single_release,
+	.owner   = THIS_MODULE,
+};
+
+static void uwb_dbg_new_rsv(struct uwb_rsv *rsv)
+{
+	struct uwb_rc *rc = rsv->rc;
+
+	if (rc->dbg->accept)
+		uwb_rsv_accept(rsv, uwb_dbg_rsv_cb, NULL);
+}
+
+/**
+ * uwb_dbg_add_rc - add a debug interface for a radio controller
+ * @rc: the radio controller
+ */
+void uwb_dbg_add_rc(struct uwb_rc *rc)
+{
+	rc->dbg = kzalloc(sizeof(struct uwb_dbg), GFP_KERNEL);
+	if (rc->dbg == NULL)
+		return;
+
+	INIT_LIST_HEAD(&rc->dbg->rsvs);
+
+	uwb_pal_init(&rc->dbg->pal);
+	rc->dbg->pal.new_rsv = uwb_dbg_new_rsv;
+	uwb_pal_register(rc, &rc->dbg->pal);
+	if (root_dir) {
+		rc->dbg->root_d = debugfs_create_dir(dev_name(&rc->uwb_dev.dev),
+						     root_dir);
+		rc->dbg->command_f = debugfs_create_file("command", 0200,
+							 rc->dbg->root_d, rc,
+							 &command_fops);
+		rc->dbg->reservations_f = debugfs_create_file("reservations", 0444,
+							      rc->dbg->root_d, rc,
+							      &reservations_fops);
+		rc->dbg->accept_f = debugfs_create_bool("accept", 0644,
+							rc->dbg->root_d,
+							&rc->dbg->accept);
+		rc->dbg->drp_avail_f = debugfs_create_file("drp_avail", 0444,
+							   rc->dbg->root_d, rc,
+							   &drp_avail_fops);
+	}
+}
+
+/**
+ * uwb_dbg_add_rc - remove a radio controller's debug interface
+ * @rc: the radio controller
+ */
+void uwb_dbg_del_rc(struct uwb_rc *rc)
+{
+	struct uwb_rsv *rsv, *t;
+
+	if (rc->dbg == NULL)
+		return;
+
+	list_for_each_entry_safe(rsv, t, &rc->dbg->rsvs, pal_node) {
+		uwb_rsv_destroy(rsv);
+	}
+
+	uwb_pal_unregister(rc, &rc->dbg->pal);
+
+	if (root_dir) {
+		debugfs_remove(rc->dbg->drp_avail_f);
+		debugfs_remove(rc->dbg->accept_f);
+		debugfs_remove(rc->dbg->reservations_f);
+		debugfs_remove(rc->dbg->command_f);
+		debugfs_remove(rc->dbg->root_d);
+	}
+}
+
+/**
+ * uwb_dbg_exit - initialize the debug interface sub-module
+ */
+void uwb_dbg_init(void)
+{
+	root_dir = debugfs_create_dir("uwb", NULL);
+}
+
+/**
+ * uwb_dbg_exit - clean-up the debug interface sub-module
+ */
+void uwb_dbg_exit(void)
+{
+	debugfs_remove(root_dir);
+}
-- 
GitLab


From 2f86c3e67d6423d6d23ee2f737ad4f0730435742 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 17 Sep 2008 16:34:11 +0100
Subject: [PATCH 0161/2224] uwb: add the UWB stack (build system)

The Kbuild and Kconfig files.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 arch/arm/Kconfig     |  2 ++
 arch/cris/Kconfig    |  2 ++
 arch/h8300/Kconfig   |  2 ++
 drivers/Kconfig      |  2 ++
 drivers/Makefile     |  1 +
 drivers/uwb/Kconfig  | 28 ++++++++++++++++++++++++++++
 drivers/uwb/Makefile | 20 ++++++++++++++++++++
 7 files changed, 57 insertions(+)
 create mode 100644 drivers/uwb/Kconfig
 create mode 100644 drivers/uwb/Makefile

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 70dba166890..8eedbfa52f0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1220,6 +1220,8 @@ source "drivers/hid/Kconfig"
 
 source "drivers/usb/Kconfig"
 
+source "drivers/uwb/Kconfig"
+
 source "drivers/mmc/Kconfig"
 
 source "drivers/leds/Kconfig"
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 9389d38f222..cb66c4da25c 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -677,6 +677,8 @@ source "fs/Kconfig"
 
 source "drivers/usb/Kconfig"
 
+source "drivers/uwb/Kconfig"
+
 source "arch/cris/Kconfig.debug"
 
 source "security/Kconfig"
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 396ab059efa..2b413325e88 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -213,6 +213,8 @@ source "drivers/hwmon/Kconfig"
 
 source "drivers/usb/Kconfig"
 
+source "drivers/uwb/Kconfig"
+
 endmenu
 
 source "fs/Kconfig"
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 59f33fa6af3..9b399a1bae8 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -78,6 +78,8 @@ source "drivers/hid/Kconfig"
 
 source "drivers/usb/Kconfig"
 
+source "drivers/uwb/Kconfig"
+
 source "drivers/mmc/Kconfig"
 
 source "drivers/memstick/Kconfig"
diff --git a/drivers/Makefile b/drivers/Makefile
index 2735bde7347..1a6930f9726 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -99,3 +99,4 @@ obj-$(CONFIG_OF)		+= of/
 obj-$(CONFIG_SSB)		+= ssb/
 obj-$(CONFIG_VIRTIO)		+= virtio/
 obj-$(CONFIG_REGULATOR)		+= regulator/
+obj-$(CONFIG_UWB)		+= uwb/
diff --git a/drivers/uwb/Kconfig b/drivers/uwb/Kconfig
new file mode 100644
index 00000000000..3f01a69daf8
--- /dev/null
+++ b/drivers/uwb/Kconfig
@@ -0,0 +1,28 @@
+#
+# UWB device configuration
+#
+
+menuconfig UWB
+	tristate "Ultra Wide Band devices"
+	depends on PCI
+	default n
+	help
+	  UWB is a high-bandwidth, low-power, point-to-point radio
+	  technology using a wide spectrum (3.1-10.6GHz). It is
+	  optimized for in-room use (480Mbps at 2 meters, 110Mbps at
+	  10m). It serves as the transport layer for other protocols,
+	  such as Wireless USB (WUSB), IP (WLP) and upcoming
+	  Bluetooth and 1394
+
+	  The topology is peer to peer; however, higher level
+	  protocols (such as WUSB) might impose a master/slave
+	  relationship.
+
+	  Say Y here if your computer has UWB radio controllers (USB or PCI)
+	  based. You will need to enable the radio controllers
+	  below.  It is ok to select all of them, no harm done.
+
+	  For more help check the UWB and WUSB related files in
+	  <file:Documentation/usb/>.
+
+	  To compile the UWB stack as a module, choose M here.
diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
new file mode 100644
index 00000000000..9a67be5ac5c
--- /dev/null
+++ b/drivers/uwb/Makefile
@@ -0,0 +1,20 @@
+obj-$(CONFIG_UWB)		+= uwb.o
+
+uwb-objs :=		\
+	address.o	\
+	beacon.o	\
+	driver.o	\
+	drp.o		\
+	drp-avail.o	\
+	drp-ie.o	\
+	est.o		\
+	ie.o		\
+	lc-dev.o	\
+	lc-rc.o		\
+	neh.o		\
+	pal.o		\
+	reset.o		\
+	rsv.o		\
+	scan.o		\
+	uwb-debug.o	\
+	uwbd.o
-- 
GitLab


From da389eac31be24556a71dd59ea6539ae4cba5c15 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:12 +0100
Subject: [PATCH 0162/2224] uwb: add the umc bus

The UMC bus is used for the capabilities exposed by a UWB Multi-interface
Controller as described in the WHCI specification.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/Makefile    |   6 ++
 drivers/uwb/umc-bus.c   | 218 ++++++++++++++++++++++++++++++++++++++++
 drivers/uwb/umc-dev.c   | 104 +++++++++++++++++++
 drivers/uwb/umc-drv.c   |  31 ++++++
 include/linux/uwb/umc.h | 194 +++++++++++++++++++++++++++++++++++
 5 files changed, 553 insertions(+)
 create mode 100644 drivers/uwb/umc-bus.c
 create mode 100644 drivers/uwb/umc-dev.c
 create mode 100644 drivers/uwb/umc-drv.c
 create mode 100644 include/linux/uwb/umc.h

diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index 9a67be5ac5c..41c9fca5f87 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_UWB)		+= uwb.o
+obj-$(CONFIG_UWB_WHCI)		+= umc.o
 
 uwb-objs :=		\
 	address.o	\
@@ -18,3 +19,8 @@ uwb-objs :=		\
 	scan.o		\
 	uwb-debug.o	\
 	uwbd.o
+
+umc-objs :=		\
+	umc-bus.o	\
+	umc-dev.o	\
+	umc-drv.o
diff --git a/drivers/uwb/umc-bus.c b/drivers/uwb/umc-bus.c
new file mode 100644
index 00000000000..2d8d62d9f53
--- /dev/null
+++ b/drivers/uwb/umc-bus.c
@@ -0,0 +1,218 @@
+/*
+ * Bus for UWB Multi-interface Controller capabilities.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This file is released under the GNU GPL v2.
+ */
+#include <linux/kernel.h>
+#include <linux/sysfs.h>
+#include <linux/workqueue.h>
+#include <linux/uwb/umc.h>
+#include <linux/pci.h>
+
+static int umc_bus_unbind_helper(struct device *dev, void *data)
+{
+	struct device *parent = data;
+
+	if (dev->parent == parent && dev->driver)
+		device_release_driver(dev);
+	return 0;
+}
+
+/**
+ * umc_controller_reset - reset the whole UMC controller
+ * @umc: the UMC device for the radio controller.
+ *
+ * Drivers will be unbound from all UMC devices belonging to the
+ * controller and then the radio controller will be rebound.  The
+ * radio controller is expected to do a full hardware reset when it is
+ * probed.
+ *
+ * If this is called while a probe() or remove() is in progress it
+ * will return -EAGAIN and not perform the reset.
+ */
+int umc_controller_reset(struct umc_dev *umc)
+{
+	struct device *parent = umc->dev.parent;
+	int ret;
+
+	if (down_trylock(&parent->sem))
+		return -EAGAIN;
+	bus_for_each_dev(&umc_bus_type, NULL, parent, umc_bus_unbind_helper);
+	ret = device_attach(&umc->dev);
+	if (ret == 1)
+		ret = 0;
+	up(&parent->sem);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(umc_controller_reset);
+
+/**
+ * umc_match_pci_id - match a UMC driver to a UMC device's parent PCI device.
+ * @umc_drv: umc driver with match_data pointing to a zero-terminated
+ * table of pci_device_id's.
+ * @umc: umc device whose parent is to be matched.
+ */
+int umc_match_pci_id(struct umc_driver *umc_drv, struct umc_dev *umc)
+{
+	const struct pci_device_id *id_table = umc_drv->match_data;
+	struct pci_dev *pci;
+
+	if (umc->dev.parent->bus != &pci_bus_type)
+		return 0;
+
+	pci = to_pci_dev(umc->dev.parent);
+	return pci_match_id(id_table, pci) != NULL;
+}
+EXPORT_SYMBOL_GPL(umc_match_pci_id);
+
+static int umc_bus_rescan_helper(struct device *dev, void *data)
+{
+	int ret = 0;
+
+	if (!dev->driver)
+		ret = device_attach(dev);
+
+	return ret < 0 ? ret : 0;
+}
+
+static void umc_bus_rescan(void)
+{
+	int err;
+
+	/*
+	 * We can't use bus_rescan_devices() here as it deadlocks when
+	 * it tries to retake the dev->parent semaphore.
+	 */
+	err = bus_for_each_dev(&umc_bus_type, NULL, NULL, umc_bus_rescan_helper);
+	if (err < 0)
+		printk(KERN_WARNING "%s: rescan of bus failed: %d\n",
+		       KBUILD_MODNAME, err);
+}
+
+static int umc_bus_match(struct device *dev, struct device_driver *drv)
+{
+	struct umc_dev *umc = to_umc_dev(dev);
+	struct umc_driver *umc_driver = to_umc_driver(drv);
+
+	if (umc->cap_id == umc_driver->cap_id) {
+		if (umc_driver->match)
+			return umc_driver->match(umc_driver, umc);
+		else
+			return 1;
+	}
+	return 0;
+}
+
+static int umc_device_probe(struct device *dev)
+{
+	struct umc_dev *umc;
+	struct umc_driver *umc_driver;
+	int err;
+
+	umc_driver = to_umc_driver(dev->driver);
+	umc = to_umc_dev(dev);
+
+	get_device(dev);
+	err = umc_driver->probe(umc);
+	if (err)
+		put_device(dev);
+	else
+		umc_bus_rescan();
+
+	return err;
+}
+
+static int umc_device_remove(struct device *dev)
+{
+	struct umc_dev *umc;
+	struct umc_driver *umc_driver;
+
+	umc_driver = to_umc_driver(dev->driver);
+	umc = to_umc_dev(dev);
+
+	umc_driver->remove(umc);
+	put_device(dev);
+	return 0;
+}
+
+static int umc_device_suspend(struct device *dev, pm_message_t state)
+{
+	struct umc_dev *umc;
+	struct umc_driver *umc_driver;
+	int err = 0;
+
+	umc = to_umc_dev(dev);
+
+	if (dev->driver) {
+		umc_driver = to_umc_driver(dev->driver);
+		if (umc_driver->suspend)
+			err = umc_driver->suspend(umc, state);
+	}
+	return err;
+}
+
+static int umc_device_resume(struct device *dev)
+{
+	struct umc_dev *umc;
+	struct umc_driver *umc_driver;
+	int err = 0;
+
+	umc = to_umc_dev(dev);
+
+	if (dev->driver) {
+		umc_driver = to_umc_driver(dev->driver);
+		if (umc_driver->resume)
+			err = umc_driver->resume(umc);
+	}
+	return err;
+}
+
+static ssize_t capability_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct umc_dev *umc = to_umc_dev(dev);
+
+	return sprintf(buf, "0x%02x\n", umc->cap_id);
+}
+
+static ssize_t version_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct umc_dev *umc = to_umc_dev(dev);
+
+	return sprintf(buf, "0x%04x\n", umc->version);
+}
+
+static struct device_attribute umc_dev_attrs[] = {
+	__ATTR_RO(capability_id),
+	__ATTR_RO(version),
+	__ATTR_NULL,
+};
+
+struct bus_type umc_bus_type = {
+	.name		= "umc",
+	.match		= umc_bus_match,
+	.probe		= umc_device_probe,
+	.remove		= umc_device_remove,
+	.suspend        = umc_device_suspend,
+	.resume         = umc_device_resume,
+	.dev_attrs	= umc_dev_attrs,
+};
+EXPORT_SYMBOL_GPL(umc_bus_type);
+
+static int __init umc_bus_init(void)
+{
+	return bus_register(&umc_bus_type);
+}
+module_init(umc_bus_init);
+
+static void __exit umc_bus_exit(void)
+{
+	bus_unregister(&umc_bus_type);
+}
+module_exit(umc_bus_exit);
+
+MODULE_DESCRIPTION("UWB Multi-interface Controller capability bus");
+MODULE_AUTHOR("Cambridge Silicon Radio Ltd.");
+MODULE_LICENSE("GPL");
diff --git a/drivers/uwb/umc-dev.c b/drivers/uwb/umc-dev.c
new file mode 100644
index 00000000000..aa44e1c1a10
--- /dev/null
+++ b/drivers/uwb/umc-dev.c
@@ -0,0 +1,104 @@
+/*
+ * UWB Multi-interface Controller device management.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This file is released under the GNU GPL v2.
+ */
+#include <linux/kernel.h>
+#include <linux/uwb/umc.h>
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+static void umc_device_release(struct device *dev)
+{
+	struct umc_dev *umc = to_umc_dev(dev);
+
+	kfree(umc);
+}
+
+/**
+ * umc_device_create - allocate a child UMC device
+ * @parent: parent of the new UMC device.
+ * @n:      index of the new device.
+ *
+ * The new UMC device will have a bus ID of the parent with '-n'
+ * appended.
+ */
+struct umc_dev *umc_device_create(struct device *parent, int n)
+{
+	struct umc_dev *umc;
+
+	umc = kzalloc(sizeof(struct umc_dev), GFP_KERNEL);
+	if (umc) {
+		snprintf(umc->dev.bus_id, sizeof(umc->dev.bus_id), "%s-%d",
+			 parent->bus_id, n);
+		umc->dev.parent  = parent;
+		umc->dev.bus     = &umc_bus_type;
+		umc->dev.release = umc_device_release;
+
+		umc->dev.dma_mask = parent->dma_mask;
+	}
+	return umc;
+}
+EXPORT_SYMBOL_GPL(umc_device_create);
+
+/**
+ * umc_device_register - register a UMC device
+ * @umc: pointer to the UMC device
+ *
+ * The memory resource for the UMC device is acquired and the device
+ * registered with the system.
+ */
+int umc_device_register(struct umc_dev *umc)
+{
+	int err;
+
+	d_fnstart(3, &umc->dev, "(umc_dev %p)\n", umc);
+
+	err = request_resource(umc->resource.parent, &umc->resource);
+	if (err < 0) {
+		dev_err(&umc->dev, "can't allocate resource range "
+			"%016Lx to %016Lx: %d\n",
+			(unsigned long long)umc->resource.start,
+			(unsigned long long)umc->resource.end,
+			err);
+		goto error_request_resource;
+	}
+
+	err = device_register(&umc->dev);
+	if (err < 0)
+		goto error_device_register;
+	d_fnend(3, &umc->dev, "(umc_dev %p) = 0\n", umc);
+	return 0;
+
+error_device_register:
+	release_resource(&umc->resource);
+error_request_resource:
+	d_fnend(3, &umc->dev, "(umc_dev %p) = %d\n", umc, err);
+	return err;
+}
+EXPORT_SYMBOL_GPL(umc_device_register);
+
+/**
+ * umc_device_unregister - unregister a UMC device
+ * @umc: pointer to the UMC device
+ *
+ * First we unregister the device, make sure the driver can do it's
+ * resource release thing and then we try to release any left over
+ * resources. We take a ref to the device, to make sure it doesn't
+ * dissapear under our feet.
+ */
+void umc_device_unregister(struct umc_dev *umc)
+{
+	struct device *dev;
+	if (!umc)
+		return;
+	dev = get_device(&umc->dev);
+	d_fnstart(3, dev, "(umc_dev %p)\n", umc);
+	device_unregister(&umc->dev);
+	release_resource(&umc->resource);
+	d_fnend(3, dev, "(umc_dev %p) = void\n", umc);
+	put_device(dev);
+}
+EXPORT_SYMBOL_GPL(umc_device_unregister);
diff --git a/drivers/uwb/umc-drv.c b/drivers/uwb/umc-drv.c
new file mode 100644
index 00000000000..367b5eb85d6
--- /dev/null
+++ b/drivers/uwb/umc-drv.c
@@ -0,0 +1,31 @@
+/*
+ * UWB Multi-interface Controller driver management.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This file is released under the GNU GPL v2.
+ */
+#include <linux/kernel.h>
+#include <linux/uwb/umc.h>
+
+int __umc_driver_register(struct umc_driver *umc_drv, struct module *module,
+			  const char *mod_name)
+{
+	umc_drv->driver.name     = umc_drv->name;
+	umc_drv->driver.owner    = module;
+	umc_drv->driver.mod_name = mod_name;
+	umc_drv->driver.bus      = &umc_bus_type;
+
+	return driver_register(&umc_drv->driver);
+}
+EXPORT_SYMBOL_GPL(__umc_driver_register);
+
+/**
+ * umc_driver_register - unregister a UMC capabiltity driver.
+ * @umc_drv:  pointer to the driver.
+ */
+void umc_driver_unregister(struct umc_driver *umc_drv)
+{
+	driver_unregister(&umc_drv->driver);
+}
+EXPORT_SYMBOL_GPL(umc_driver_unregister);
diff --git a/include/linux/uwb/umc.h b/include/linux/uwb/umc.h
new file mode 100644
index 00000000000..36a39e34f8d
--- /dev/null
+++ b/include/linux/uwb/umc.h
@@ -0,0 +1,194 @@
+/*
+ * UWB Multi-interface Controller support.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This file is released under the GPLv2
+ *
+ * UMC (UWB Multi-interface Controller) capabilities (e.g., radio
+ * controller, host controller) are presented as devices on the "umc"
+ * bus.
+ *
+ * The radio controller is not strictly a UMC capability but it's
+ * useful to present it as such.
+ *
+ * References:
+ *
+ *   [WHCI] Wireless Host Controller Interface Specification for
+ *          Certified Wireless Universal Serial Bus, revision 0.95.
+ *
+ * How this works is kind of convoluted but simple. The whci.ko driver
+ * loads when WHCI devices are detected. These WHCI devices expose
+ * many devices in the same PCI function (they couldn't have reused
+ * functions, no), so for each PCI function that exposes these many
+ * devices, whci ceates a umc_dev [whci_probe() -> whci_add_cap()]
+ * with umc_device_create() and adds it to the bus with
+ * umc_device_register().
+ *
+ * umc_device_register() calls device_register() which will push the
+ * bus management code to load your UMC driver's somehting_probe()
+ * that you have registered for that capability code.
+ *
+ * Now when the WHCI device is removed, whci_remove() will go over
+ * each umc_dev assigned to each of the PCI function's capabilities
+ * and through whci_del_cap() call umc_device_unregister() each
+ * created umc_dev. Of course, if you are bound to the device, your
+ * driver's something_remove() will be called.
+ */
+
+#ifndef _LINUX_UWB_UMC_H_
+#define _LINUX_UWB_UMC_H_
+
+#include <linux/device.h>
+#include <linux/pci.h>
+
+/*
+ * UMC capability IDs.
+ *
+ * 0x00 is reserved so use it for the radio controller device.
+ *
+ * [WHCI] table 2-8
+ */
+#define UMC_CAP_ID_WHCI_RC      0x00 /* radio controller */
+#define UMC_CAP_ID_WHCI_WUSB_HC 0x01 /* WUSB host controller */
+
+/**
+ * struct umc_dev - UMC capability device
+ *
+ * @version:  version of the specification this capability conforms to.
+ * @cap_id:   capability ID.
+ * @bar:      PCI Bar (64 bit) where the resource lies
+ * @resource: register space resource.
+ * @irq:      interrupt line.
+ */
+struct umc_dev {
+	u16		version;
+	u8		cap_id;
+	u8		bar;
+	struct resource resource;
+	unsigned	irq;
+	struct device	dev;
+};
+
+#define to_umc_dev(d) container_of(d, struct umc_dev, dev)
+
+/**
+ * struct umc_driver - UMC capability driver
+ * @cap_id: supported capability ID.
+ * @match: driver specific capability matching function.
+ * @match_data: driver specific data for match() (e.g., a
+ * table of pci_device_id's if umc_match_pci_id() is used).
+ */
+struct umc_driver {
+	char *name;
+	u8 cap_id;
+	int (*match)(struct umc_driver *, struct umc_dev *);
+	const void *match_data;
+
+	int  (*probe)(struct umc_dev *);
+	void (*remove)(struct umc_dev *);
+	int  (*suspend)(struct umc_dev *, pm_message_t state);
+	int  (*resume)(struct umc_dev *);
+
+	struct device_driver driver;
+};
+
+#define to_umc_driver(d) container_of(d, struct umc_driver, driver)
+
+extern struct bus_type umc_bus_type;
+
+struct umc_dev *umc_device_create(struct device *parent, int n);
+int __must_check umc_device_register(struct umc_dev *umc);
+void umc_device_unregister(struct umc_dev *umc);
+
+int __must_check __umc_driver_register(struct umc_driver *umc_drv,
+				       struct module *mod,
+				       const char *mod_name);
+
+/**
+ * umc_driver_register - register a UMC capabiltity driver.
+ * @umc_drv:  pointer to the driver.
+ */
+static inline int __must_check umc_driver_register(struct umc_driver *umc_drv)
+{
+	return __umc_driver_register(umc_drv, THIS_MODULE, KBUILD_MODNAME);
+}
+void umc_driver_unregister(struct umc_driver *umc_drv);
+
+/*
+ * Utility function you can use to match (umc_driver->match) against a
+ * null-terminated array of 'struct pci_device_id' in
+ * umc_driver->match_data.
+ */
+int umc_match_pci_id(struct umc_driver *umc_drv, struct umc_dev *umc);
+
+/**
+ * umc_parent_pci_dev - return the UMC's parent PCI device or NULL if none
+ * @umc_dev: UMC device whose parent PCI device we are looking for
+ *
+ * DIRTY!!! DON'T RELY ON THIS
+ *
+ * FIXME: This is as dirty as it gets, but we need some way to check
+ * the correct type of umc_dev->parent (so that for example, we can
+ * cast to pci_dev). Casting to pci_dev is necesary because at some
+ * point we need to request resources from the device. Mapping is
+ * easily over come (ioremap and stuff are bus agnostic), but hooking
+ * up to some error handlers (such as pci error handlers) might need
+ * this.
+ *
+ * THIS might (probably will) be removed in the future, so don't count
+ * on it.
+ */
+static inline struct pci_dev *umc_parent_pci_dev(struct umc_dev *umc_dev)
+{
+	struct pci_dev *pci_dev = NULL;
+	if (umc_dev->dev.parent->bus == &pci_bus_type)
+		pci_dev = to_pci_dev(umc_dev->dev.parent);
+	return pci_dev;
+}
+
+/**
+ * umc_dev_get() - reference a UMC device.
+ * @umc_dev: Pointer to UMC device.
+ *
+ * NOTE: we are assuming in this whole scheme that the parent device
+ *       is referenced at _probe() time and unreferenced at _remove()
+ *       time by the parent's subsystem.
+ */
+static inline struct umc_dev *umc_dev_get(struct umc_dev *umc_dev)
+{
+	get_device(&umc_dev->dev);
+	return umc_dev;
+}
+
+/**
+ * umc_dev_put() - unreference a UMC device.
+ * @umc_dev: Pointer to UMC device.
+ */
+static inline void umc_dev_put(struct umc_dev *umc_dev)
+{
+	put_device(&umc_dev->dev);
+}
+
+/**
+ * umc_set_drvdata - set UMC device's driver data.
+ * @umc_dev: Pointer to UMC device.
+ * @data:    Data to set.
+ */
+static inline void umc_set_drvdata(struct umc_dev *umc_dev, void *data)
+{
+	dev_set_drvdata(&umc_dev->dev, data);
+}
+
+/**
+ * umc_get_drvdata - recover UMC device's driver data.
+ * @umc_dev: Pointer to UMC device.
+ */
+static inline void *umc_get_drvdata(struct umc_dev *umc_dev)
+{
+	return dev_get_drvdata(&umc_dev->dev);
+}
+
+int umc_controller_reset(struct umc_dev *umc);
+
+#endif /* #ifndef _LINUX_UWB_UMC_H_ */
-- 
GitLab


From 8f1b678ab900c2bda1620dfb6e1f1f02604fc3a2 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:13 +0100
Subject: [PATCH 0163/2224] uwb: add the driver to enumerate WHCI capabilities

This enumerates the capabilties of a WHCI device, adding a umc device for
each one.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/Makefile     |   2 +-
 drivers/uwb/whci.c       | 269 +++++++++++++++++++++++++++++++++++++++
 include/linux/uwb/whci.h | 117 +++++++++++++++++
 3 files changed, 387 insertions(+), 1 deletion(-)
 create mode 100644 drivers/uwb/whci.c
 create mode 100644 include/linux/uwb/whci.h

diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index 41c9fca5f87..b054471af28 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_UWB)		+= uwb.o
-obj-$(CONFIG_UWB_WHCI)		+= umc.o
+obj-$(CONFIG_UWB_WHCI)		+= umc.o whci.o
 
 uwb-objs :=		\
 	address.o	\
diff --git a/drivers/uwb/whci.c b/drivers/uwb/whci.c
new file mode 100644
index 00000000000..3df2388f908
--- /dev/null
+++ b/drivers/uwb/whci.c
@@ -0,0 +1,269 @@
+/*
+ * WHCI UWB Multi-interface Controller enumerator.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This file is released under the GNU GPL v2.
+ */
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/uwb/whci.h>
+#include <linux/uwb/umc.h>
+
+struct whci_card {
+	struct pci_dev *pci;
+	void __iomem *uwbbase;
+	u8 n_caps;
+	struct umc_dev *devs[0];
+};
+
+
+/* Fix faulty HW :( */
+static
+u64 whci_capdata_quirks(struct whci_card *card, u64 capdata)
+{
+	u64 capdata_orig = capdata;
+	struct pci_dev *pci_dev = card->pci;
+	if (pci_dev->vendor == PCI_VENDOR_ID_INTEL
+	    && (pci_dev->device == 0x0c3b || pci_dev->device == 0004)
+	    && pci_dev->class == 0x0d1010) {
+		switch (UWBCAPDATA_TO_CAP_ID(capdata)) {
+			/* WLP capability has 0x100 bytes of aperture */
+		case 0x80:
+			capdata |= 0x40 << 8; break;
+			/* WUSB capability has 0x80 bytes of aperture
+			 * and ID is 1 */
+		case 0x02:
+			capdata &= ~0xffff;
+			capdata |= 0x2001;
+			break;
+		}
+	}
+	if (capdata_orig != capdata)
+		dev_warn(&pci_dev->dev,
+			 "PCI v%04x d%04x c%06x#%02x: "
+			 "corrected capdata from %016Lx to %016Lx\n",
+			 pci_dev->vendor, pci_dev->device, pci_dev->class,
+			 (unsigned)UWBCAPDATA_TO_CAP_ID(capdata),
+			 (unsigned long long)capdata_orig,
+			 (unsigned long long)capdata);
+	return capdata;
+}
+
+
+/**
+ * whci_wait_for - wait for a WHCI register to be set
+ *
+ * Polls (for at most @max_ms ms) until '*@reg & @mask == @result'.
+ */
+int whci_wait_for(struct device *dev, u32 __iomem *reg, u32 mask, u32 result,
+	unsigned long max_ms, const char *tag)
+{
+	unsigned t = 0;
+	u32 val;
+	for (;;) {
+		val = le_readl(reg);
+		if ((val & mask) == result)
+			break;
+		msleep(10);
+		if (t >= max_ms) {
+			dev_err(dev, "timed out waiting for %s ", tag);
+			return -ETIMEDOUT;
+		}
+		t += 10;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(whci_wait_for);
+
+
+/*
+ * NOTE: the capinfo and capdata registers are slightly different
+ *       (size and cap-id fields). So for cap #0, we need to fill
+ *       in. Size comes from the size of the register block
+ *       (statically calculated); cap_id comes from nowhere, we use
+ *       zero, that is reserved, for the radio controller, because
+ *       none was defined at the spec level.
+ */
+static int whci_add_cap(struct whci_card *card, int n)
+{
+	struct umc_dev *umc;
+	u64 capdata;
+	int bar, err;
+
+	umc = umc_device_create(&card->pci->dev, n);
+	if (umc == NULL)
+		return -ENOMEM;
+
+	capdata = le_readq(card->uwbbase + UWBCAPDATA(n));
+
+	bar = UWBCAPDATA_TO_BAR(capdata) << 1;
+
+	capdata = whci_capdata_quirks(card, capdata);
+	/* Capability 0 is the radio controller. It's size is 32
+	 * bytes (WHCI0.95[2.3, T2-9]). */
+	umc->version         = UWBCAPDATA_TO_VERSION(capdata);
+	umc->cap_id          = n == 0 ? 0 : UWBCAPDATA_TO_CAP_ID(capdata);
+	umc->bar	     = bar;
+	umc->resource.start  = pci_resource_start(card->pci, bar)
+		+ UWBCAPDATA_TO_OFFSET(capdata);
+	umc->resource.end    = umc->resource.start
+		+ (n == 0 ? 0x20 : UWBCAPDATA_TO_SIZE(capdata)) - 1;
+	umc->resource.name   = umc->dev.bus_id;
+	umc->resource.flags  = card->pci->resource[bar].flags;
+	umc->resource.parent = &card->pci->resource[bar];
+	umc->irq             = card->pci->irq;
+
+	err = umc_device_register(umc);
+	if (err < 0)
+		goto error;
+	card->devs[n] = umc;
+	return 0;
+
+error:
+	kfree(umc);
+	return err;
+}
+
+static void whci_del_cap(struct whci_card *card, int n)
+{
+	struct umc_dev *umc = card->devs[n];
+
+	if (umc != NULL)
+		umc_device_unregister(umc);
+}
+
+static int whci_n_caps(struct pci_dev *pci)
+{
+	void __iomem *uwbbase;
+	u64 capinfo;
+
+	uwbbase = pci_iomap(pci, 0, 8);
+	if (!uwbbase)
+		return -ENOMEM;
+	capinfo = le_readq(uwbbase + UWBCAPINFO);
+	pci_iounmap(pci, uwbbase);
+
+	return UWBCAPINFO_TO_N_CAPS(capinfo);
+}
+
+static int whci_probe(struct pci_dev *pci, const struct pci_device_id *id)
+{
+	struct whci_card *card;
+	int err, n_caps, n;
+
+	err = pci_enable_device(pci);
+	if (err < 0)
+		goto error;
+	pci_enable_msi(pci);
+	pci_set_master(pci);
+	err = -ENXIO;
+	if (!pci_set_dma_mask(pci, DMA_64BIT_MASK))
+		pci_set_consistent_dma_mask(pci, DMA_64BIT_MASK);
+	else if (!pci_set_dma_mask(pci, DMA_32BIT_MASK))
+		pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK);
+	else
+		goto error_dma;
+
+	err = n_caps = whci_n_caps(pci);
+	if (n_caps < 0)
+		goto error_ncaps;
+
+	err = -ENOMEM;
+	card = kzalloc(sizeof(struct whci_card)
+		       + sizeof(struct whci_dev *) * (n_caps + 1),
+		       GFP_KERNEL);
+	if (card == NULL)
+		goto error_kzalloc;
+	card->pci = pci;
+	card->n_caps = n_caps;
+
+	err = -EBUSY;
+	if (!request_mem_region(pci_resource_start(pci, 0),
+				UWBCAPDATA_SIZE(card->n_caps),
+				"whci (capability data)"))
+		goto error_request_memregion;
+	err = -ENOMEM;
+	card->uwbbase = pci_iomap(pci, 0, UWBCAPDATA_SIZE(card->n_caps));
+	if (!card->uwbbase)
+		goto error_iomap;
+
+	/* Add each capability. */
+	for (n = 0; n <= card->n_caps; n++) {
+		err = whci_add_cap(card, n);
+		if (err < 0 && n == 0) {
+			dev_err(&pci->dev, "cannot bind UWB radio controller:"
+				" %d\n", err);
+			goto error_bind;
+		}
+		if (err < 0)
+			dev_warn(&pci->dev, "warning: cannot bind capability "
+				 "#%u: %d\n", n, err);
+	}
+	pci_set_drvdata(pci, card);
+	return 0;
+
+error_bind:
+	pci_iounmap(pci, card->uwbbase);
+error_iomap:
+	release_mem_region(pci_resource_start(pci, 0), UWBCAPDATA_SIZE(card->n_caps));
+error_request_memregion:
+	kfree(card);
+error_kzalloc:
+error_ncaps:
+error_dma:
+	pci_disable_msi(pci);
+	pci_disable_device(pci);
+error:
+	return err;
+}
+
+static void whci_remove(struct pci_dev *pci)
+{
+	struct whci_card *card = pci_get_drvdata(pci);
+	int n;
+
+	pci_set_drvdata(pci, NULL);
+	/* Unregister each capability in reverse (so the master device
+	 * is unregistered last). */
+	for (n = card->n_caps; n >= 0 ; n--)
+		whci_del_cap(card, n);
+	pci_iounmap(pci, card->uwbbase);
+	release_mem_region(pci_resource_start(pci, 0), UWBCAPDATA_SIZE(card->n_caps));
+	kfree(card);
+	pci_disable_msi(pci);
+	pci_disable_device(pci);
+}
+
+static struct pci_device_id whci_id_table[] = {
+	{ PCI_DEVICE_CLASS(PCI_CLASS_WIRELESS_WHCI, ~0) },
+	{ 0 },
+};
+MODULE_DEVICE_TABLE(pci, whci_id_table);
+
+
+static struct pci_driver whci_driver = {
+	.name     = "whci",
+	.id_table = whci_id_table,
+	.probe    = whci_probe,
+	.remove   = whci_remove,
+};
+
+static int __init whci_init(void)
+{
+	return pci_register_driver(&whci_driver);
+}
+
+static void __exit whci_exit(void)
+{
+	pci_unregister_driver(&whci_driver);
+}
+
+module_init(whci_init);
+module_exit(whci_exit);
+
+MODULE_DESCRIPTION("WHCI UWB Multi-interface Controller enumerator");
+MODULE_AUTHOR("Cambridge Silicon Radio Ltd.");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/uwb/whci.h b/include/linux/uwb/whci.h
new file mode 100644
index 00000000000..915ec23042d
--- /dev/null
+++ b/include/linux/uwb/whci.h
@@ -0,0 +1,117 @@
+/*
+ * Wireless Host Controller Interface for Ultra-Wide-Band and Wireless USB
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ *
+ * References:
+ *   [WHCI] Wireless Host Controller Interface Specification for
+ *          Certified Wireless Universal Serial Bus, revision 0.95.
+ */
+#ifndef _LINUX_UWB_WHCI_H_
+#define _LINUX_UWB_WHCI_H_
+
+#include <linux/pci.h>
+
+/*
+ * UWB interface capability registers (offsets from UWBBASE)
+ *
+ * [WHCI] section 2.2
+ */
+#define UWBCAPINFO	0x00 /* == UWBCAPDATA(0) */
+#  define UWBCAPINFO_TO_N_CAPS(c)	(((c) >> 0)  & 0xFull)
+#define UWBCAPDATA(n)	(8*(n))
+#  define UWBCAPDATA_TO_VERSION(c)	(((c) >> 32) & 0xFFFFull)
+#  define UWBCAPDATA_TO_OFFSET(c)	(((c) >> 18) & 0x3FFFull)
+#  define UWBCAPDATA_TO_BAR(c)		(((c) >> 16) & 0x3ull)
+#  define UWBCAPDATA_TO_SIZE(c)		((((c) >> 8) & 0xFFull) * sizeof(u32))
+#  define UWBCAPDATA_TO_CAP_ID(c)	(((c) >> 0)  & 0xFFull)
+
+/* Size of the WHCI capability data (including the RC capability) for
+   a device with n capabilities. */
+#define UWBCAPDATA_SIZE(n) (8 + 8*(n))
+
+
+/*
+ * URC registers (offsets from URCBASE)
+ *
+ * [WHCI] section 2.3
+ */
+#define URCCMD		0x00
+#  define URCCMD_RESET		(1 << 31)  /* UMC Hardware reset */
+#  define URCCMD_RS		(1 << 30)  /* Run/Stop */
+#  define URCCMD_EARV		(1 << 29)  /* Event Address Register Valid */
+#  define URCCMD_ACTIVE		(1 << 15)  /* Command is active */
+#  define URCCMD_IWR		(1 << 14)  /* Interrupt When Ready */
+#  define URCCMD_SIZE_MASK	0x00000fff /* Command size mask */
+#define URCSTS		0x04
+#  define URCSTS_EPS		(1 << 17)  /* Event Processing Status */
+#  define URCSTS_HALTED		(1 << 16)  /* RC halted */
+#  define URCSTS_HSE		(1 << 10)  /* Host System Error...fried */
+#  define URCSTS_ER		(1 <<  9)  /* Event Ready */
+#  define URCSTS_RCI		(1 <<  8)  /* Ready for Command Interrupt */
+#  define URCSTS_INT_MASK	0x00000700 /* URC interrupt sources */
+#  define URCSTS_ISI		0x000000ff /* Interrupt Source Identification */
+#define URCINTR		0x08
+#  define URCINTR_EN_ALL	0x000007ff /* Enable all interrupt sources */
+#define URCCMDADDR	0x10
+#define URCEVTADDR	0x18
+#  define URCEVTADDR_OFFSET_MASK 0xfff    /* Event pointer offset mask */
+
+
+/** Write 32 bit @value to little endian register at @addr */
+static inline
+void le_writel(u32 value, void __iomem *addr)
+{
+	iowrite32(value, addr);
+}
+
+
+/** Read from 32 bit little endian register at @addr */
+static inline
+u32 le_readl(void __iomem *addr)
+{
+	return ioread32(addr);
+}
+
+
+/** Write 64 bit @value to little endian register at @addr */
+static inline
+void le_writeq(u64 value, void __iomem *addr)
+{
+	iowrite32(value, addr);
+	iowrite32(value >> 32, addr + 4);
+}
+
+
+/** Read from 64 bit little endian register at @addr */
+static inline
+u64 le_readq(void __iomem *addr)
+{
+	u64 value;
+	value  = ioread32(addr);
+	value |= (u64)ioread32(addr + 4) << 32;
+	return value;
+}
+
+extern int whci_wait_for(struct device *dev, u32 __iomem *reg,
+			 u32 mask, u32 result,
+			 unsigned long max_ms,  const char *tag);
+
+#endif /* #ifndef _LINUX_UWB_WHCI_H_ */
-- 
GitLab


From b6e069830c5927fd4d5fce67cb6440fddd10d429 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:14 +0100
Subject: [PATCH 0164/2224] uwb: add whc-rc radio control driver

Add the driver for WHCI radio controllers.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/Kconfig  |  20 ++
 drivers/uwb/Makefile |   2 +-
 drivers/uwb/whc-rc.c | 528 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 549 insertions(+), 1 deletion(-)
 create mode 100644 drivers/uwb/whc-rc.c

diff --git a/drivers/uwb/Kconfig b/drivers/uwb/Kconfig
index 3f01a69daf8..c0eb973111e 100644
--- a/drivers/uwb/Kconfig
+++ b/drivers/uwb/Kconfig
@@ -26,3 +26,23 @@ menuconfig UWB
 	  <file:Documentation/usb/>.
 
 	  To compile the UWB stack as a module, choose M here.
+
+if UWB
+
+config UWB_WHCI
+        tristate "UWB Radio Control driver for WHCI-compliant cards"
+        depends on PCI
+        help
+          This driver enables the radio controller for WHCI cards.
+
+          WHCI is an specification developed by Intel
+          (http://www.intel.com/technology/comms/wusb/whci.htm) much
+          in the spirit of USB's EHCI, but for UWB and Wireless USB
+          radio/host controllers connected via memmory mapping (eg:
+          PCI). Most of these cards come also with a Wireless USB host
+          controller.
+
+          To compile this driver select Y (built in) or M (module). It
+          is safe to select any even if you do not have the hardware.
+
+endif # UWB
diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index b054471af28..bdcb494b00e 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_UWB)		+= uwb.o
-obj-$(CONFIG_UWB_WHCI)		+= umc.o whci.o
+obj-$(CONFIG_UWB_WHCI)		+= umc.o whci.o whc-rc.o
 
 uwb-objs :=		\
 	address.o	\
diff --git a/drivers/uwb/whc-rc.c b/drivers/uwb/whc-rc.c
new file mode 100644
index 00000000000..5a93abea6d2
--- /dev/null
+++ b/drivers/uwb/whc-rc.c
@@ -0,0 +1,528 @@
+/*
+ * Wireless Host Controller: Radio Control Interface (WHCI v0.95[2.3])
+ * Radio Control command/event transport to the UWB stack
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Initialize and hook up the Radio Control interface.
+ *
+ * For each device probed, creates an 'struct whcrc' which contains
+ * just the representation of the UWB Radio Controller, and the logic
+ * for reading notifications and passing them to the UWB Core.
+ *
+ * So we initialize all of those, register the UWB Radio Controller
+ * and setup the notification/event handle to pipe the notifications
+ * to the UWB management Daemon.
+ *
+ * Once uwb_rc_add() is called, the UWB stack takes control, resets
+ * the radio and readies the device to take commands the UWB
+ * API/user-space.
+ *
+ * Note this driver is just a transport driver; the commands are
+ * formed at the UWB stack and given to this driver who will deliver
+ * them to the hw and transfer the replies/notifications back to the
+ * UWB stack through the UWB daemon (UWBD).
+ */
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/uwb.h>
+#include <linux/uwb/whci.h>
+#include <linux/uwb/umc.h>
+#include "uwb-internal.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/**
+ * Descriptor for an instance of the UWB Radio Control Driver that
+ * attaches to the URC interface of the WHCI PCI card.
+ *
+ * Unless there is a lock specific to the 'data members', all access
+ * is protected by uwb_rc->mutex.
+ */
+struct whcrc {
+	struct umc_dev *umc_dev;
+	struct uwb_rc *uwb_rc;		/* UWB host controller */
+
+	unsigned long area;
+	void __iomem *rc_base;
+	size_t rc_len;
+	spinlock_t irq_lock;
+
+	void *evt_buf, *cmd_buf;
+	dma_addr_t evt_dma_buf, cmd_dma_buf;
+	wait_queue_head_t cmd_wq;
+	struct work_struct event_work;
+};
+
+/**
+ * Execute an UWB RC command on WHCI/RC
+ *
+ * @rc:       Instance of a Radio Controller that is a whcrc
+ * @cmd:      Buffer containing the RCCB and payload to execute
+ * @cmd_size: Size of the command buffer.
+ *
+ * We copy the command into whcrc->cmd_buf (as it is pretty and
+ * aligned`and physically contiguous) and then press the right keys in
+ * the controller's URCCMD register to get it to read it. We might
+ * have to wait for the cmd_sem to be open to us.
+ *
+ * NOTE: rc's mutex has to be locked
+ */
+static int whcrc_cmd(struct uwb_rc *uwb_rc,
+	      const struct uwb_rccb *cmd, size_t cmd_size)
+{
+	int result = 0;
+	struct whcrc *whcrc = uwb_rc->priv;
+	struct device *dev = &whcrc->umc_dev->dev;
+	u32 urccmd;
+
+	d_fnstart(3, dev, "(%p, %p, %zu)\n", uwb_rc, cmd, cmd_size);
+	might_sleep();
+
+	if (cmd_size >= 4096) {
+		result = -E2BIG;
+		goto error;
+	}
+
+	/*
+	 * If the URC is halted, then the hardware has reset itself.
+	 * Attempt to recover by restarting the device and then return
+	 * an error as it's likely that the current command isn't
+	 * valid for a newly started RC.
+	 */
+	if (le_readl(whcrc->rc_base + URCSTS) & URCSTS_HALTED) {
+		dev_err(dev, "requesting reset of halted radio controller\n");
+		uwb_rc_reset_all(uwb_rc);
+		result = -EIO;
+		goto error;
+	}
+
+	result = wait_event_timeout(whcrc->cmd_wq,
+		!(le_readl(whcrc->rc_base + URCCMD) & URCCMD_ACTIVE), HZ/2);
+	if (result == 0) {
+		dev_err(dev, "device is not ready to execute commands\n");
+		result = -ETIMEDOUT;
+		goto error;
+	}
+
+	memmove(whcrc->cmd_buf, cmd, cmd_size);
+	le_writeq(whcrc->cmd_dma_buf, whcrc->rc_base + URCCMDADDR);
+
+	spin_lock(&whcrc->irq_lock);
+	urccmd = le_readl(whcrc->rc_base + URCCMD);
+	urccmd &= ~(URCCMD_EARV | URCCMD_SIZE_MASK);
+	le_writel(urccmd | URCCMD_ACTIVE | URCCMD_IWR | cmd_size,
+		  whcrc->rc_base + URCCMD);
+	spin_unlock(&whcrc->irq_lock);
+
+error:
+	d_fnend(3, dev, "(%p, %p, %zu) = %d\n",
+		uwb_rc, cmd, cmd_size, result);
+	return result;
+}
+
+static int whcrc_reset(struct uwb_rc *rc)
+{
+	struct whcrc *whcrc = rc->priv;
+
+	return umc_controller_reset(whcrc->umc_dev);
+}
+
+/**
+ * Reset event reception mechanism and tell hw we are ready to get more
+ *
+ * We have read all the events in the event buffer, so we are ready to
+ * reset it to the beginning.
+ *
+ * This is only called during initialization or after an event buffer
+ * has been retired.  This means we can be sure that event processing
+ * is disabled and it's safe to update the URCEVTADDR register.
+ *
+ * There's no need to wait for the event processing to start as the
+ * URC will not clear URCCMD_ACTIVE until (internal) event buffer
+ * space is available.
+ */
+static
+void whcrc_enable_events(struct whcrc *whcrc)
+{
+	struct device *dev = &whcrc->umc_dev->dev;
+	u32 urccmd;
+
+	d_fnstart(4, dev, "(whcrc %p)\n", whcrc);
+
+	le_writeq(whcrc->evt_dma_buf, whcrc->rc_base + URCEVTADDR);
+
+	spin_lock(&whcrc->irq_lock);
+	urccmd = le_readl(whcrc->rc_base + URCCMD) & ~URCCMD_ACTIVE;
+	le_writel(urccmd | URCCMD_EARV, whcrc->rc_base + URCCMD);
+	spin_unlock(&whcrc->irq_lock);
+
+	d_fnend(4, dev, "(whcrc %p) = void\n", whcrc);
+}
+
+static void whcrc_event_work(struct work_struct *work)
+{
+	struct whcrc *whcrc = container_of(work, struct whcrc, event_work);
+	struct device *dev = &whcrc->umc_dev->dev;
+	size_t size;
+	u64 urcevtaddr;
+
+	urcevtaddr = le_readq(whcrc->rc_base + URCEVTADDR);
+	size = urcevtaddr & URCEVTADDR_OFFSET_MASK;
+
+	d_printf(3, dev, "received %zu octet event\n", size);
+	d_dump(4, dev, whcrc->evt_buf, size > 32 ? 32 : size);
+
+	uwb_rc_neh_grok(whcrc->uwb_rc, whcrc->evt_buf, size);
+	whcrc_enable_events(whcrc);
+}
+
+/**
+ * Catch interrupts?
+ *
+ * We ack inmediately (and expect the hw to do the right thing and
+ * raise another IRQ if things have changed :)
+ */
+static
+irqreturn_t whcrc_irq_cb(int irq, void *_whcrc)
+{
+	struct whcrc *whcrc = _whcrc;
+	struct device *dev = &whcrc->umc_dev->dev;
+	u32 urcsts;
+
+	d_fnstart(4, dev, "irq %d _whcrc %p)\n", irq, _whcrc);
+	urcsts = le_readl(whcrc->rc_base + URCSTS);
+	if (!(urcsts & URCSTS_INT_MASK))
+		return IRQ_NONE;
+	le_writel(urcsts & URCSTS_INT_MASK, whcrc->rc_base + URCSTS);
+
+	d_printf(4, dev, "acked 0x%08x, urcsts 0x%08x\n",
+		 le_readl(whcrc->rc_base + URCSTS), urcsts);
+
+	if (whcrc->uwb_rc == NULL) {
+		if (printk_ratelimit())
+			dev_dbg(dev, "Received interrupt when not yet "
+				"ready!\n");
+		goto out;
+	}
+
+	if (urcsts & URCSTS_HSE) {
+		dev_err(dev, "host system error -- hardware halted\n");
+		/* FIXME: do something sensible here */
+		goto out;
+	}
+	if (urcsts & URCSTS_ER) {
+		d_printf(3, dev, "ER: event ready\n");
+		schedule_work(&whcrc->event_work);
+	}
+	if (urcsts & URCSTS_RCI) {
+		d_printf(3, dev, "RCI: ready to execute another command\n");
+		wake_up_all(&whcrc->cmd_wq);
+	}
+out:
+	return IRQ_HANDLED;
+}
+
+
+/**
+ * Initialize a UMC RC interface: map regions, get (shared) IRQ
+ */
+static
+int whcrc_setup_rc_umc(struct whcrc *whcrc)
+{
+	int result = 0;
+	struct device *dev = &whcrc->umc_dev->dev;
+	struct umc_dev *umc_dev = whcrc->umc_dev;
+
+	whcrc->area = umc_dev->resource.start;
+	whcrc->rc_len = umc_dev->resource.end - umc_dev->resource.start + 1;
+	result = -EBUSY;
+	if (request_mem_region(whcrc->area, whcrc->rc_len, KBUILD_MODNAME)
+	    == NULL) {
+		dev_err(dev, "can't request URC region (%zu bytes @ 0x%lx): %d\n",
+			whcrc->rc_len, whcrc->area, result);
+		goto error_request_region;
+	}
+
+	whcrc->rc_base = ioremap_nocache(whcrc->area, whcrc->rc_len);
+	if (whcrc->rc_base == NULL) {
+		dev_err(dev, "can't ioremap registers (%zu bytes @ 0x%lx): %d\n",
+			whcrc->rc_len, whcrc->area, result);
+		goto error_ioremap_nocache;
+	}
+
+	result = request_irq(umc_dev->irq, whcrc_irq_cb, IRQF_SHARED,
+			     KBUILD_MODNAME, whcrc);
+	if (result < 0) {
+		dev_err(dev, "can't allocate IRQ %d: %d\n",
+			umc_dev->irq, result);
+		goto error_request_irq;
+	}
+
+	result = -ENOMEM;
+	whcrc->cmd_buf = dma_alloc_coherent(&umc_dev->dev, PAGE_SIZE,
+					    &whcrc->cmd_dma_buf, GFP_KERNEL);
+	if (whcrc->cmd_buf == NULL) {
+		dev_err(dev, "Can't allocate cmd transfer buffer\n");
+		goto error_cmd_buffer;
+	}
+
+	whcrc->evt_buf = dma_alloc_coherent(&umc_dev->dev, PAGE_SIZE,
+					    &whcrc->evt_dma_buf, GFP_KERNEL);
+	if (whcrc->evt_buf == NULL) {
+		dev_err(dev, "Can't allocate evt transfer buffer\n");
+		goto error_evt_buffer;
+	}
+	d_printf(3, dev, "UWB RC Interface: %zu bytes at 0x%p, irq %u\n",
+		 whcrc->rc_len, whcrc->rc_base, umc_dev->irq);
+	return 0;
+
+error_evt_buffer:
+	dma_free_coherent(&umc_dev->dev, PAGE_SIZE, whcrc->cmd_buf,
+			  whcrc->cmd_dma_buf);
+error_cmd_buffer:
+	free_irq(umc_dev->irq, whcrc);
+error_request_irq:
+	iounmap(whcrc->rc_base);
+error_ioremap_nocache:
+	release_mem_region(whcrc->area, whcrc->rc_len);
+error_request_region:
+	return result;
+}
+
+
+/**
+ * Release RC's UMC resources
+ */
+static
+void whcrc_release_rc_umc(struct whcrc *whcrc)
+{
+	struct umc_dev *umc_dev = whcrc->umc_dev;
+
+	dma_free_coherent(&umc_dev->dev, PAGE_SIZE, whcrc->evt_buf,
+			  whcrc->evt_dma_buf);
+	dma_free_coherent(&umc_dev->dev, PAGE_SIZE, whcrc->cmd_buf,
+			  whcrc->cmd_dma_buf);
+	free_irq(umc_dev->irq, whcrc);
+	iounmap(whcrc->rc_base);
+	release_mem_region(whcrc->area, whcrc->rc_len);
+}
+
+
+/**
+ * whcrc_start_rc - start a WHCI radio controller
+ * @whcrc: the radio controller to start
+ *
+ * Reset the UMC device, start the radio controller, enable events and
+ * finally enable interrupts.
+ */
+static int whcrc_start_rc(struct uwb_rc *rc)
+{
+	struct whcrc *whcrc = rc->priv;
+	int result = 0;
+	struct device *dev = &whcrc->umc_dev->dev;
+	unsigned long start, duration;
+
+	/* Reset the thing */
+	le_writel(URCCMD_RESET, whcrc->rc_base + URCCMD);
+	if (d_test(3))
+		start = jiffies;
+	if (whci_wait_for(dev, whcrc->rc_base + URCCMD, URCCMD_RESET, 0,
+			  5000, "device to reset at init") < 0) {
+		result = -EBUSY;
+		goto error;
+	} else if (d_test(3)) {
+		duration = jiffies - start;
+		if (duration > msecs_to_jiffies(40))
+			dev_err(dev, "Device took %ums to "
+				     "reset. MAX expected: 40ms\n",
+				     jiffies_to_msecs(duration));
+	}
+
+	/* Set the event buffer, start the controller (enable IRQs later) */
+	le_writel(0, whcrc->rc_base + URCINTR);
+	le_writel(URCCMD_RS, whcrc->rc_base + URCCMD);
+	result = -ETIMEDOUT;
+	if (d_test(3))
+		start = jiffies;
+	if (whci_wait_for(dev, whcrc->rc_base + URCSTS, URCSTS_HALTED, 0,
+			  5000, "device to start") < 0)
+		goto error;
+	if (d_test(3)) {
+		duration = jiffies - start;
+		if (duration > msecs_to_jiffies(40))
+			dev_err(dev, "Device took %ums to start. "
+				     "MAX expected: 40ms\n",
+				     jiffies_to_msecs(duration));
+	}
+	whcrc_enable_events(whcrc);
+	result = 0;
+	le_writel(URCINTR_EN_ALL, whcrc->rc_base + URCINTR);
+error:
+	return result;
+}
+
+
+/**
+ * whcrc_stop_rc - stop a WHCI radio controller
+ * @whcrc: the radio controller to stop
+ *
+ * Disable interrupts and cancel any pending event processing work
+ * before clearing the Run/Stop bit.
+ */
+static
+void whcrc_stop_rc(struct uwb_rc *rc)
+{
+	struct whcrc *whcrc = rc->priv;
+	struct umc_dev *umc_dev = whcrc->umc_dev;
+
+	le_writel(0, whcrc->rc_base + URCINTR);
+	cancel_work_sync(&whcrc->event_work);
+
+	le_writel(0, whcrc->rc_base + URCCMD);
+	whci_wait_for(&umc_dev->dev, whcrc->rc_base + URCSTS,
+		      URCSTS_HALTED, 0, 40, "URCSTS.HALTED");
+}
+
+static void whcrc_init(struct whcrc *whcrc)
+{
+	spin_lock_init(&whcrc->irq_lock);
+	init_waitqueue_head(&whcrc->cmd_wq);
+	INIT_WORK(&whcrc->event_work, whcrc_event_work);
+}
+
+/**
+ * Initialize the radio controller.
+ *
+ * NOTE: we setup whcrc->uwb_rc before calling uwb_rc_add(); in the
+ *       IRQ handler we use that to determine if the hw is ready to
+ *       handle events. Looks like a race condition, but it really is
+ *       not.
+ */
+static
+int whcrc_probe(struct umc_dev *umc_dev)
+{
+	int result;
+	struct uwb_rc *uwb_rc;
+	struct whcrc *whcrc;
+	struct device *dev = &umc_dev->dev;
+
+	d_fnstart(3, dev, "(umc_dev %p)\n", umc_dev);
+	result = -ENOMEM;
+	uwb_rc = uwb_rc_alloc();
+	if (uwb_rc == NULL) {
+		dev_err(dev, "unable to allocate RC instance\n");
+		goto error_rc_alloc;
+	}
+	whcrc = kzalloc(sizeof(*whcrc), GFP_KERNEL);
+	if (whcrc == NULL) {
+		dev_err(dev, "unable to allocate WHC-RC instance\n");
+		goto error_alloc;
+	}
+	whcrc_init(whcrc);
+	whcrc->umc_dev = umc_dev;
+
+	result = whcrc_setup_rc_umc(whcrc);
+	if (result < 0) {
+		dev_err(dev, "Can't setup RC UMC interface: %d\n", result);
+		goto error_setup_rc_umc;
+	}
+	whcrc->uwb_rc = uwb_rc;
+
+	uwb_rc->owner = THIS_MODULE;
+	uwb_rc->cmd   = whcrc_cmd;
+	uwb_rc->reset = whcrc_reset;
+	uwb_rc->start = whcrc_start_rc;
+	uwb_rc->stop  = whcrc_stop_rc;
+
+	result = uwb_rc_add(uwb_rc, dev, whcrc);
+	if (result < 0)
+		goto error_rc_add;
+	umc_set_drvdata(umc_dev, whcrc);
+	d_fnend(3, dev, "(umc_dev %p) = 0\n", umc_dev);
+	return 0;
+
+error_rc_add:
+	whcrc_release_rc_umc(whcrc);
+error_setup_rc_umc:
+	kfree(whcrc);
+error_alloc:
+	uwb_rc_put(uwb_rc);
+error_rc_alloc:
+	d_fnend(3, dev, "(umc_dev %p) = %d\n", umc_dev, result);
+	return result;
+}
+
+/**
+ * Clean up the radio control resources
+ *
+ * When we up the command semaphore, everybody possibly held trying to
+ * execute a command should be granted entry and then they'll see the
+ * host is quiescing and up it (so it will chain to the next waiter).
+ * This should not happen (in any case), as we can only remove when
+ * there are no handles open...
+ */
+static void whcrc_remove(struct umc_dev *umc_dev)
+{
+	struct whcrc *whcrc = umc_get_drvdata(umc_dev);
+	struct uwb_rc *uwb_rc = whcrc->uwb_rc;
+
+	umc_set_drvdata(umc_dev, NULL);
+	uwb_rc_rm(uwb_rc);
+	whcrc_release_rc_umc(whcrc);
+	kfree(whcrc);
+	uwb_rc_put(uwb_rc);
+	d_printf(1, &umc_dev->dev, "freed whcrc %p\n", whcrc);
+}
+
+/* PCI device ID's that we handle [so it gets loaded] */
+static struct pci_device_id whcrc_id_table[] = {
+	{ PCI_DEVICE_CLASS(PCI_CLASS_WIRELESS_WHCI, ~0) },
+	{ /* empty last entry */ }
+};
+MODULE_DEVICE_TABLE(pci, whcrc_id_table);
+
+static struct umc_driver whcrc_driver = {
+	.name   = "whc-rc",
+	.cap_id = UMC_CAP_ID_WHCI_RC,
+	.probe  = whcrc_probe,
+	.remove = whcrc_remove,
+};
+
+static int __init whcrc_driver_init(void)
+{
+	return umc_driver_register(&whcrc_driver);
+}
+module_init(whcrc_driver_init);
+
+static void __exit whcrc_driver_exit(void)
+{
+	umc_driver_unregister(&whcrc_driver);
+}
+module_exit(whcrc_driver_exit);
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Wireless Host Controller Radio Control Driver");
+MODULE_LICENSE("GPL");
-- 
GitLab


From de520b8bd5525d33e6a6f36b297836125736bd2a Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:15 +0100
Subject: [PATCH 0165/2224] uwb: add HWA radio controller driver

Add a driver for USB-connected UWB radio controllers (HWAs).

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/Kconfig  |  12 +
 drivers/uwb/Makefile |   1 +
 drivers/uwb/hwa-rc.c | 911 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 924 insertions(+)
 create mode 100644 drivers/uwb/hwa-rc.c

diff --git a/drivers/uwb/Kconfig b/drivers/uwb/Kconfig
index c0eb973111e..a442f39f354 100644
--- a/drivers/uwb/Kconfig
+++ b/drivers/uwb/Kconfig
@@ -29,6 +29,18 @@ menuconfig UWB
 
 if UWB
 
+config UWB_HWA
+	tristate "UWB Radio Control driver for WUSB-compliant USB dongles (HWA)"
+	depends on USB
+	help
+	  This driver enables the radio controller for HWA USB
+	  devices. HWA stands for Host Wire Adapter, and it is a UWB
+	  Radio Controller connected to your system via USB. Most of
+	  them come with a Wireless USB host controller also.
+
+	  To compile this driver select Y (built in) or M (module). It
+	  is safe to select any even if you do not have the hardware.
+
 config UWB_WHCI
         tristate "UWB Radio Control driver for WHCI-compliant cards"
         depends on PCI
diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index bdcb494b00e..6bdb8e7f91c 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -1,5 +1,6 @@
 obj-$(CONFIG_UWB)		+= uwb.o
 obj-$(CONFIG_UWB_WHCI)		+= umc.o whci.o whc-rc.o
+obj-$(CONFIG_UWB_HWA)		+= hwa-rc.o
 
 uwb-objs :=		\
 	address.o	\
diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
new file mode 100644
index 00000000000..f822a1872e4
--- /dev/null
+++ b/drivers/uwb/hwa-rc.c
@@ -0,0 +1,911 @@
+/*
+ * WUSB Host Wire Adapter: Radio Control Interface (WUSB[8.6])
+ * Radio Control command/event transport
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Initialize the Radio Control interface Driver.
+ *
+ * For each device probed, creates an 'struct hwarc' which contains
+ * just the representation of the UWB Radio Controller, and the logic
+ * for reading notifications and passing them to the UWB Core.
+ *
+ * So we initialize all of those, register the UWB Radio Controller
+ * and setup the notification/event handle to pipe the notifications
+ * to the UWB management Daemon.
+ *
+ * Command and event filtering.
+ *
+ * This is the driver for the Radio Control Interface described in WUSB
+ * 1.0. The core UWB module assumes that all drivers are compliant to the
+ * WHCI 0.95 specification. We thus create a filter that parses all
+ * incoming messages from the (WUSB 1.0) device and manipulate them to
+ * conform to the WHCI 0.95 specification. Similarly, outgoing messages
+ * are parsed and manipulated to conform to the WUSB 1.0 compliant messages
+ * that the device expects. Only a few messages are affected:
+ * Affected events:
+ *    UWB_RC_EVT_BEACON
+ *    UWB_RC_EVT_BP_SLOT_CHANGE
+ *    UWB_RC_EVT_DRP_AVAIL
+ *    UWB_RC_EVT_DRP
+ * Affected commands:
+ *    UWB_RC_CMD_SCAN
+ *    UWB_RC_CMD_SET_DRP_IE
+ *
+ *
+ *
+ */
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/wusb.h>
+#include <linux/usb/wusb-wa.h>
+#include <linux/uwb.h>
+#include "uwb-internal.h"
+#define D_LOCAL 1
+#include <linux/uwb/debug.h>
+
+
+/**
+ * Descriptor for an instance of the UWB Radio Control Driver that
+ * attaches to the RCI interface of the Host Wired Adapter.
+ *
+ * Unless there is a lock specific to the 'data members', all access
+ * is protected by uwb_rc->mutex.
+ *
+ * The NEEP (Notification/Event EndPoint) URB (@neep_urb) writes to
+ * @rd_buffer. Note there is no locking because it is perfectly (heh!)
+ * serialized--probe() submits an URB, callback is called, processes
+ * the data (synchronously), submits another URB, and so on. There is
+ * no concurrent access to the buffer.
+ */
+struct hwarc {
+	struct usb_device *usb_dev;
+	struct usb_interface *usb_iface;
+	struct uwb_rc *uwb_rc;		/* UWB host controller */
+	struct urb *neep_urb;		/* Notification endpoint handling */
+	struct edc neep_edc;
+	void *rd_buffer;		/* NEEP read buffer */
+};
+
+
+/* Beacon received notification (WUSB 1.0 [8.6.3.2]) */
+struct uwb_rc_evt_beacon_WUSB_0100 {
+	struct uwb_rceb rceb;
+	u8	bChannelNumber;
+	__le16	wBPSTOffset;
+	u8	bLQI;
+	u8	bRSSI;
+	__le16	wBeaconInfoLength;
+	u8	BeaconInfo[];
+} __attribute__((packed));
+
+/**
+ * Filter WUSB 1.0 BEACON RCV notification to be WHCI 0.95
+ *
+ * @header: the incoming event
+ * @buf_size: size of buffer containing incoming event
+ * @new_size: size of event after filtering completed
+ *
+ * The WHCI 0.95 spec has a "Beacon Type" field. This value is unknown at
+ * the time we receive the beacon from WUSB so we just set it to
+ * UWB_RC_BEACON_TYPE_NEIGHBOR as a default.
+ * The solution below allocates memory upon receipt of every beacon from a
+ * WUSB device. This will deteriorate performance. What is the right way to
+ * do this?
+ */
+static
+int hwarc_filter_evt_beacon_WUSB_0100(struct uwb_rc *rc,
+				      struct uwb_rceb **header,
+				      const size_t buf_size,
+				      size_t *new_size)
+{
+	struct uwb_rc_evt_beacon_WUSB_0100 *be;
+	struct uwb_rc_evt_beacon *newbe;
+	size_t bytes_left, ielength;
+	struct device *dev = &rc->uwb_dev.dev;
+
+	be = container_of(*header, struct uwb_rc_evt_beacon_WUSB_0100, rceb);
+	bytes_left = buf_size;
+	if (bytes_left < sizeof(*be)) {
+		dev_err(dev, "Beacon Received Notification: Not enough data "
+			"to decode for filtering (%zu vs %zu bytes needed)\n",
+			bytes_left, sizeof(*be));
+		return -EINVAL;
+	}
+	bytes_left -= sizeof(*be);
+	ielength = le16_to_cpu(be->wBeaconInfoLength);
+	if (bytes_left < ielength) {
+		dev_err(dev, "Beacon Received Notification: Not enough data "
+			"to decode IEs (%zu vs %zu bytes needed)\n",
+			bytes_left, ielength);
+		return -EINVAL;
+	}
+	newbe = kzalloc(sizeof(*newbe) + ielength, GFP_ATOMIC);
+	if (newbe == NULL)
+		return -ENOMEM;
+	newbe->rceb = be->rceb;
+	newbe->bChannelNumber = be->bChannelNumber;
+	newbe->bBeaconType = UWB_RC_BEACON_TYPE_NEIGHBOR;
+	newbe->wBPSTOffset = be->wBPSTOffset;
+	newbe->bLQI = be->bLQI;
+	newbe->bRSSI = be->bRSSI;
+	newbe->wBeaconInfoLength = be->wBeaconInfoLength;
+	memcpy(newbe->BeaconInfo, be->BeaconInfo, ielength);
+	*header = &newbe->rceb;
+	*new_size = sizeof(*newbe) + ielength;
+	return 1;  /* calling function will free memory */
+}
+
+
+/* DRP Availability change notification (WUSB 1.0 [8.6.3.8]) */
+struct uwb_rc_evt_drp_avail_WUSB_0100 {
+	struct uwb_rceb rceb;
+	__le16 wIELength;
+	u8 IEData[];
+} __attribute__((packed));
+
+/**
+ * Filter WUSB 1.0 DRP AVAILABILITY CHANGE notification to be WHCI 0.95
+ *
+ * @header: the incoming event
+ * @buf_size: size of buffer containing incoming event
+ * @new_size: size of event after filtering completed
+ */
+static
+int hwarc_filter_evt_drp_avail_WUSB_0100(struct uwb_rc *rc,
+					 struct uwb_rceb **header,
+					 const size_t buf_size,
+					 size_t *new_size)
+{
+	struct uwb_rc_evt_drp_avail_WUSB_0100 *da;
+	struct uwb_rc_evt_drp_avail *newda;
+	struct uwb_ie_hdr *ie_hdr;
+	size_t bytes_left, ielength;
+	struct device *dev = &rc->uwb_dev.dev;
+
+
+	da = container_of(*header, struct uwb_rc_evt_drp_avail_WUSB_0100, rceb);
+	bytes_left = buf_size;
+	if (bytes_left < sizeof(*da)) {
+		dev_err(dev, "Not enough data to decode DRP Avail "
+			"Notification for filtering. Expected %zu, "
+			"received %zu.\n", (size_t)sizeof(*da), bytes_left);
+		return -EINVAL;
+	}
+	bytes_left -= sizeof(*da);
+	ielength = le16_to_cpu(da->wIELength);
+	if (bytes_left < ielength) {
+		dev_err(dev, "DRP Avail Notification filter: IE length "
+			"[%zu bytes] does not match actual length "
+			"[%zu bytes].\n", ielength, bytes_left);
+		return -EINVAL;
+	}
+	if (ielength < sizeof(*ie_hdr)) {
+		dev_err(dev, "DRP Avail Notification filter: Not enough "
+			"data to decode IE [%zu bytes, %zu needed]\n",
+			ielength, sizeof(*ie_hdr));
+		return -EINVAL;
+	}
+	ie_hdr = (void *) da->IEData;
+	if (ie_hdr->length > 32) {
+		dev_err(dev, "DRP Availability Change event has unexpected "
+			"length for filtering. Expected < 32 bytes, "
+			"got %zu bytes.\n", (size_t)ie_hdr->length);
+		return -EINVAL;
+	}
+	newda = kzalloc(sizeof(*newda), GFP_ATOMIC);
+	if (newda == NULL)
+		return -ENOMEM;
+	newda->rceb = da->rceb;
+	memcpy(newda->bmp, (u8 *) ie_hdr + sizeof(*ie_hdr), ie_hdr->length);
+	*header = &newda->rceb;
+	*new_size = sizeof(*newda);
+	return 1; /* calling function will free memory */
+}
+
+
+/* DRP notification (WUSB 1.0 [8.6.3.9]) */
+struct uwb_rc_evt_drp_WUSB_0100 {
+	struct uwb_rceb rceb;
+	struct uwb_dev_addr wSrcAddr;
+	u8 bExplicit;
+	__le16 wIELength;
+	u8 IEData[];
+} __attribute__((packed));
+
+/**
+ * Filter WUSB 1.0 DRP Notification to be WHCI 0.95
+ *
+ * @header: the incoming event
+ * @buf_size: size of buffer containing incoming event
+ * @new_size: size of event after filtering completed
+ *
+ * It is hard to manage DRP reservations without having a Reason code.
+ * Unfortunately there is none in the WUSB spec. We just set the default to
+ * DRP IE RECEIVED.
+ * We do not currently use the bBeaconSlotNumber value, so we set this to
+ * zero for now.
+ */
+static
+int hwarc_filter_evt_drp_WUSB_0100(struct uwb_rc *rc,
+				   struct uwb_rceb **header,
+				   const size_t buf_size,
+				   size_t *new_size)
+{
+	struct uwb_rc_evt_drp_WUSB_0100 *drpev;
+	struct uwb_rc_evt_drp *newdrpev;
+	size_t bytes_left, ielength;
+	struct device *dev = &rc->uwb_dev.dev;
+
+	drpev = container_of(*header, struct uwb_rc_evt_drp_WUSB_0100, rceb);
+	bytes_left = buf_size;
+	if (bytes_left < sizeof(*drpev)) {
+		dev_err(dev, "Not enough data to decode DRP Notification "
+			"for filtering. Expected %zu, received %zu.\n",
+			(size_t)sizeof(*drpev), bytes_left);
+		return -EINVAL;
+	}
+	ielength = le16_to_cpu(drpev->wIELength);
+	bytes_left -= sizeof(*drpev);
+	if (bytes_left < ielength) {
+		dev_err(dev, "DRP Notification filter: header length [%zu "
+			"bytes] does not match actual length [%zu "
+			"bytes].\n", ielength, bytes_left);
+		return -EINVAL;
+	}
+	newdrpev = kzalloc(sizeof(*newdrpev) + ielength, GFP_ATOMIC);
+	if (newdrpev == NULL)
+		return -ENOMEM;
+	newdrpev->rceb = drpev->rceb;
+	newdrpev->src_addr = drpev->wSrcAddr;
+	newdrpev->reason = UWB_DRP_NOTIF_DRP_IE_RCVD;
+	newdrpev->beacon_slot_number = 0;
+	newdrpev->ie_length = drpev->wIELength;
+	memcpy(newdrpev->ie_data, drpev->IEData, ielength);
+	*header = &newdrpev->rceb;
+	*new_size = sizeof(*newdrpev) + ielength;
+	return 1; /* calling function will free memory */
+}
+
+
+/* Scan Command (WUSB 1.0 [8.6.2.5]) */
+struct uwb_rc_cmd_scan_WUSB_0100 {
+	struct uwb_rccb rccb;
+	u8 bChannelNumber;
+	u8 bScanState;
+} __attribute__((packed));
+
+/**
+ * Filter WHCI 0.95 SCAN command to be WUSB 1.0 SCAN command
+ *
+ * @header:   command sent to device (compliant to WHCI 0.95)
+ * @size:     size of command sent to device
+ *
+ * We only reduce the size by two bytes because the WUSB 1.0 scan command
+ * does not have the last field (wStarttime). Also, make sure we don't send
+ * the device an unexpected scan type.
+ */
+static
+int hwarc_filter_cmd_scan_WUSB_0100(struct uwb_rc *rc,
+				    struct uwb_rccb **header,
+				    size_t *size)
+{
+	struct uwb_rc_cmd_scan *sc;
+
+	sc = container_of(*header, struct uwb_rc_cmd_scan, rccb);
+
+	if (sc->bScanState == UWB_SCAN_ONLY_STARTTIME)
+		sc->bScanState = UWB_SCAN_ONLY;
+	/* Don't send the last two bytes. */
+	*size -= 2;
+	return 0;
+}
+
+
+/* SET DRP IE command (WUSB 1.0 [8.6.2.7]) */
+struct uwb_rc_cmd_set_drp_ie_WUSB_0100 {
+	struct uwb_rccb rccb;
+	u8 bExplicit;
+	__le16 wIELength;
+	struct uwb_ie_drp IEData[];
+} __attribute__((packed));
+
+/**
+ * Filter WHCI 0.95 SET DRP IE command to be WUSB 1.0 SET DRP IE command
+ *
+ * @header:   command sent to device (compliant to WHCI 0.95)
+ * @size:     size of command sent to device
+ *
+ * WUSB has an extra bExplicit field - we assume always explicit
+ * negotiation so this field is set. The command expected by the device is
+ * thus larger than the one prepared by the driver so we need to
+ * reallocate memory to accommodate this.
+ * We trust the driver to send us the correct data so no checking is done
+ * on incoming data - evn though it is variable length.
+ */
+static
+int hwarc_filter_cmd_set_drp_ie_WUSB_0100(struct uwb_rc *rc,
+					  struct uwb_rccb **header,
+					  size_t *size)
+{
+	struct uwb_rc_cmd_set_drp_ie *orgcmd;
+	struct uwb_rc_cmd_set_drp_ie_WUSB_0100 *cmd;
+	size_t ielength;
+
+	orgcmd = container_of(*header, struct uwb_rc_cmd_set_drp_ie, rccb);
+	ielength = le16_to_cpu(orgcmd->wIELength);
+	cmd = kzalloc(sizeof(*cmd) + ielength, GFP_KERNEL);
+	if (cmd == NULL)
+		return -ENOMEM;
+	cmd->rccb = orgcmd->rccb;
+	cmd->bExplicit = 0;
+	cmd->wIELength = orgcmd->wIELength;
+	memcpy(cmd->IEData, orgcmd->IEData, ielength);
+	*header = &cmd->rccb;
+	*size = sizeof(*cmd) + ielength;
+	return 1; /* calling function will free memory */
+}
+
+
+/**
+ * Filter data from WHCI driver to WUSB device
+ *
+ * @header: WHCI 0.95 compliant command from driver
+ * @size:   length of command
+ *
+ * The routine managing commands to the device (uwb_rc_cmd()) will call the
+ * filtering function pointer (if it exists) before it passes any data to
+ * the device. At this time the command has been formatted according to
+ * WHCI 0.95 and is ready to be sent to the device.
+ *
+ * The filter function will be provided with the current command and its
+ * length. The function will manipulate the command if necessary and
+ * potentially reallocate memory for a command that needed more memory that
+ * the given command. If new memory was created the function will return 1
+ * to indicate to the calling function that the memory need to be freed
+ * when not needed any more. The size will contain the new length of the
+ * command.
+ * If memory has not been allocated we rely on the original mechanisms to
+ * free the memory of the command - even when we reduce the value of size.
+ */
+static
+int hwarc_filter_cmd_WUSB_0100(struct uwb_rc *rc, struct uwb_rccb **header,
+			       size_t *size)
+{
+	int result;
+	struct uwb_rccb *rccb = *header;
+	int cmd = le16_to_cpu(rccb->wCommand);
+	switch (cmd) {
+	case UWB_RC_CMD_SCAN:
+		result = hwarc_filter_cmd_scan_WUSB_0100(rc, header, size);
+		break;
+	case UWB_RC_CMD_SET_DRP_IE:
+		result = hwarc_filter_cmd_set_drp_ie_WUSB_0100(rc, header, size);
+		break;
+	default:
+		result = -ENOANO;
+		break;
+	}
+	return result;
+}
+
+
+/**
+ * Filter data from WHCI driver to WUSB device
+ *
+ * @header: WHCI 0.95 compliant command from driver
+ * @size:   length of command
+ *
+ * Filter commands based on which protocol the device supports. The WUSB
+ * errata should be the same as WHCI 0.95 so we do not filter that here -
+ * only WUSB 1.0.
+ */
+static
+int hwarc_filter_cmd(struct uwb_rc *rc, struct uwb_rccb **header,
+		     size_t *size)
+{
+	int result = -ENOANO;
+	if (rc->version == 0x0100)
+		result = hwarc_filter_cmd_WUSB_0100(rc, header, size);
+	return result;
+}
+
+
+/**
+ * Compute return value as sum of incoming value and value at given offset
+ *
+ * @rceb:      event for which we compute the size, it contains a variable
+ *	       length field.
+ * @core_size: size of the "non variable" part of the event
+ * @offset:    place in event where the length of the variable part is stored
+ * @buf_size: total length of buffer in which event arrived - we need to make
+ *	       sure we read the offset in memory that is still part of the event
+ */
+static
+ssize_t hwarc_get_event_size(struct uwb_rc *rc, const struct uwb_rceb *rceb,
+			     size_t core_size, size_t offset,
+			     const size_t buf_size)
+{
+	ssize_t size = -ENOSPC;
+	const void *ptr = rceb;
+	size_t type_size = sizeof(__le16);
+	struct device *dev = &rc->uwb_dev.dev;
+
+	if (offset + type_size >= buf_size) {
+		dev_err(dev, "Not enough data to read extra size of event "
+			"0x%02x/%04x/%02x, only got %zu bytes.\n",
+			rceb->bEventType, le16_to_cpu(rceb->wEvent),
+			rceb->bEventContext, buf_size);
+		goto out;
+	}
+	ptr += offset;
+	size = core_size + le16_to_cpu(*(__le16 *)ptr);
+out:
+	return size;
+}
+
+
+/* Beacon slot change notification (WUSB 1.0 [8.6.3.5]) */
+struct uwb_rc_evt_bp_slot_change_WUSB_0100 {
+	struct uwb_rceb rceb;
+	u8 bSlotNumber;
+} __attribute__((packed));
+
+
+/**
+ * Filter data from WUSB device to WHCI driver
+ *
+ * @header:	 incoming event
+ * @buf_size:	 size of buffer in which event arrived
+ * @_event_size: actual size of event in the buffer
+ * @new_size:	 size of event after filtered
+ *
+ * We don't know how the buffer is constructed - there may be more than one
+ * event in it so buffer length does not determine event length. We first
+ * determine the expected size of the incoming event. This value is passed
+ * back only if the actual filtering succeeded (so we know the computed
+ * expected size is correct). This value will be zero if
+ * the event did not need any filtering.
+ *
+ * WHCI interprets the BP Slot Change event's data differently than
+ * WUSB. The event sizes are exactly the same. The data field
+ * indicates the new beacon slot in which a RC is transmitting its
+ * beacon. The maximum value of this is 96 (wMacBPLength ECMA-368
+ * 17.16 (Table 117)). We thus know that the WUSB value will not set
+ * the bit bNoSlot, so we don't really do anything (placeholder).
+ */
+static
+int hwarc_filter_event_WUSB_0100(struct uwb_rc *rc, struct uwb_rceb **header,
+				 const size_t buf_size, size_t *_real_size,
+				 size_t *_new_size)
+{
+	int result = -ENOANO;
+	struct uwb_rceb *rceb = *header;
+	int event = le16_to_cpu(rceb->wEvent);
+	size_t event_size;
+	size_t core_size, offset;
+
+	if (rceb->bEventType != UWB_RC_CET_GENERAL)
+		goto out;
+	switch (event) {
+	case UWB_RC_EVT_BEACON:
+		core_size = sizeof(struct uwb_rc_evt_beacon_WUSB_0100);
+		offset = offsetof(struct uwb_rc_evt_beacon_WUSB_0100,
+				  wBeaconInfoLength);
+		event_size = hwarc_get_event_size(rc, rceb, core_size,
+						  offset, buf_size);
+		if (event_size < 0)
+			goto out;
+		*_real_size = event_size;
+		result = hwarc_filter_evt_beacon_WUSB_0100(rc, header,
+							   buf_size, _new_size);
+		break;
+	case UWB_RC_EVT_BP_SLOT_CHANGE:
+		*_new_size = *_real_size =
+			sizeof(struct uwb_rc_evt_bp_slot_change_WUSB_0100);
+		result = 0;
+		break;
+
+	case UWB_RC_EVT_DRP_AVAIL:
+		core_size = sizeof(struct uwb_rc_evt_drp_avail_WUSB_0100);
+		offset = offsetof(struct uwb_rc_evt_drp_avail_WUSB_0100,
+				  wIELength);
+		event_size = hwarc_get_event_size(rc, rceb, core_size,
+						  offset, buf_size);
+		if (event_size < 0)
+			goto out;
+		*_real_size = event_size;
+		result = hwarc_filter_evt_drp_avail_WUSB_0100(
+			rc, header, buf_size, _new_size);
+		break;
+
+	case UWB_RC_EVT_DRP:
+		core_size = sizeof(struct uwb_rc_evt_drp_WUSB_0100);
+		offset = offsetof(struct uwb_rc_evt_drp_WUSB_0100, wIELength);
+		event_size = hwarc_get_event_size(rc, rceb, core_size,
+						  offset, buf_size);
+		if (event_size < 0)
+			goto out;
+		*_real_size = event_size;
+		result = hwarc_filter_evt_drp_WUSB_0100(rc, header,
+							buf_size, _new_size);
+		break;
+
+	default:
+		break;
+	}
+out:
+	return result;
+}
+
+/**
+ * Filter data from WUSB device to WHCI driver
+ *
+ * @header:	 incoming event
+ * @buf_size:	 size of buffer in which event arrived
+ * @_event_size: actual size of event in the buffer
+ * @_new_size:	 size of event after filtered
+ *
+ * Filter events based on which protocol the device supports. The WUSB
+ * errata should be the same as WHCI 0.95 so we do not filter that here -
+ * only WUSB 1.0.
+ *
+ * If we don't handle it, we return -ENOANO (why the weird error code?
+ * well, so if I get it, I can pinpoint in the code that raised
+ * it...after all, not too many places use the higher error codes).
+ */
+static
+int hwarc_filter_event(struct uwb_rc *rc, struct uwb_rceb **header,
+		       const size_t buf_size, size_t *_real_size,
+		       size_t *_new_size)
+{
+	int result = -ENOANO;
+	if (rc->version == 0x0100)
+		result =  hwarc_filter_event_WUSB_0100(
+			rc, header, buf_size, _real_size, _new_size);
+	return result;
+}
+
+
+/**
+ * Execute an UWB RC command on HWA
+ *
+ * @rc:	      Instance of a Radio Controller that is a HWA
+ * @cmd:      Buffer containing the RCCB and payload to execute
+ * @cmd_size: Size of the command buffer.
+ *
+ * NOTE: rc's mutex has to be locked
+ */
+static
+int hwarc_cmd(struct uwb_rc *uwb_rc, const struct uwb_rccb *cmd, size_t cmd_size)
+{
+	struct hwarc *hwarc = uwb_rc->priv;
+	return usb_control_msg(
+		hwarc->usb_dev, usb_sndctrlpipe(hwarc->usb_dev, 0),
+		WA_EXEC_RC_CMD, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		0, hwarc->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+		(void *) cmd, cmd_size, 100 /* FIXME: this is totally arbitrary */);
+}
+
+static
+int hwarc_reset(struct uwb_rc *uwb_rc)
+{
+	struct hwarc *hwarc = uwb_rc->priv;
+	return usb_reset_device(hwarc->usb_dev);
+}
+
+/**
+ * Callback for the notification and event endpoint
+ *
+ * Check's that everything is fine and then passes the read data to
+ * the notification/event handling mechanism (neh).
+ */
+static
+void hwarc_neep_cb(struct urb *urb)
+{
+	struct hwarc *hwarc = urb->context;
+	struct usb_interface *usb_iface = hwarc->usb_iface;
+	struct device *dev = &usb_iface->dev;
+	int result;
+
+	switch (result = urb->status) {
+	case 0:
+		d_printf(3, dev, "NEEP: receive stat %d, %zu bytes\n",
+			 urb->status, (size_t)urb->actual_length);
+		uwb_rc_neh_grok(hwarc->uwb_rc, urb->transfer_buffer,
+				urb->actual_length);
+		break;
+	case -ECONNRESET:	/* Not an error, but a controlled situation; */
+	case -ENOENT:		/* (we killed the URB)...so, no broadcast */
+		d_printf(2, dev, "NEEP: URB reset/noent %d\n", urb->status);
+		goto out;
+	case -ESHUTDOWN:	/* going away! */
+		d_printf(2, dev, "NEEP: URB down %d\n", urb->status);
+		goto out;
+	default:		/* On general errors, retry unless it gets ugly */
+		if (edc_inc(&hwarc->neep_edc, EDC_MAX_ERRORS,
+			    EDC_ERROR_TIMEFRAME))
+			goto error_exceeded;
+		dev_err(dev, "NEEP: URB error %d\n", urb->status);
+	}
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	d_printf(3, dev, "NEEP: submit %d\n", result);
+	if (result < 0) {
+		dev_err(dev, "NEEP: Can't resubmit URB (%d) resetting device\n",
+			result);
+		goto error;
+	}
+out:
+	return;
+
+error_exceeded:
+	dev_err(dev, "NEEP: URB max acceptable errors "
+		"exceeded, resetting device\n");
+error:
+	uwb_rc_neh_error(hwarc->uwb_rc, result);
+	uwb_rc_reset_all(hwarc->uwb_rc);
+	return;
+}
+
+static void hwarc_init(struct hwarc *hwarc)
+{
+	edc_init(&hwarc->neep_edc);
+}
+
+/**
+ * Initialize the notification/event endpoint stuff
+ *
+ * Note this is effectively a parallel thread; it knows that
+ * hwarc->uwb_rc always exists because the existence of a 'hwarc'
+ * means that there is a reverence on the hwarc->uwb_rc (see
+ * _probe()), and thus _neep_cb() can execute safely.
+ */
+static int hwarc_neep_init(struct uwb_rc *rc)
+{
+	struct hwarc *hwarc = rc->priv;
+	struct usb_interface *iface = hwarc->usb_iface;
+	struct usb_device *usb_dev = interface_to_usbdev(iface);
+	struct device *dev = &iface->dev;
+	int result;
+	struct usb_endpoint_descriptor *epd;
+
+	epd = &iface->cur_altsetting->endpoint[0].desc;
+	hwarc->rd_buffer = (void *) __get_free_page(GFP_KERNEL);
+	if (hwarc->rd_buffer == NULL) {
+		dev_err(dev, "Unable to allocate notification's read buffer\n");
+		goto error_rd_buffer;
+	}
+	hwarc->neep_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (hwarc->neep_urb == NULL) {
+		dev_err(dev, "Unable to allocate notification URB\n");
+		goto error_urb_alloc;
+	}
+	usb_fill_int_urb(hwarc->neep_urb, usb_dev,
+			 usb_rcvintpipe(usb_dev, epd->bEndpointAddress),
+			 hwarc->rd_buffer, PAGE_SIZE,
+			 hwarc_neep_cb, hwarc, epd->bInterval);
+	result = usb_submit_urb(hwarc->neep_urb, GFP_ATOMIC);
+	if (result < 0) {
+		dev_err(dev, "Cannot submit notification URB: %d\n", result);
+		goto error_neep_submit;
+	}
+	return 0;
+
+error_neep_submit:
+	usb_free_urb(hwarc->neep_urb);
+error_urb_alloc:
+	free_page((unsigned long)hwarc->rd_buffer);
+error_rd_buffer:
+	return -ENOMEM;
+}
+
+
+/** Clean up all the notification endpoint resources */
+static void hwarc_neep_release(struct uwb_rc *rc)
+{
+	struct hwarc *hwarc = rc->priv;
+
+	usb_kill_urb(hwarc->neep_urb);
+	usb_free_urb(hwarc->neep_urb);
+	free_page((unsigned long)hwarc->rd_buffer);
+}
+
+/**
+ * Get the version from class-specific descriptor
+ *
+ * NOTE: this descriptor comes with the big bundled configuration
+ *	 descriptor that includes the interfaces' and endpoints', so
+ *	 we just look for it in the cached copy kept by the USB stack.
+ *
+ * NOTE2: We convert LE fields to CPU order.
+ */
+static int hwarc_get_version(struct uwb_rc *rc)
+{
+	int result;
+
+	struct hwarc *hwarc = rc->priv;
+	struct uwb_rc_control_intf_class_desc *descr;
+	struct device *dev = &rc->uwb_dev.dev;
+	struct usb_device *usb_dev = hwarc->usb_dev;
+	char *itr;
+	struct usb_descriptor_header *hdr;
+	size_t itr_size, actconfig_idx;
+	u16 version;
+
+	actconfig_idx = (usb_dev->actconfig - usb_dev->config) /
+		sizeof(usb_dev->config[0]);
+	itr = usb_dev->rawdescriptors[actconfig_idx];
+	itr_size = le16_to_cpu(usb_dev->actconfig->desc.wTotalLength);
+	while (itr_size >= sizeof(*hdr)) {
+		hdr = (struct usb_descriptor_header *) itr;
+		d_printf(3, dev, "Extra device descriptor: "
+			 "type %02x/%u bytes @ %zu (%zu left)\n",
+			 hdr->bDescriptorType, hdr->bLength,
+			 (itr - usb_dev->rawdescriptors[actconfig_idx]),
+			 itr_size);
+		if (hdr->bDescriptorType == USB_DT_CS_RADIO_CONTROL)
+			goto found;
+		itr += hdr->bLength;
+		itr_size -= hdr->bLength;
+	}
+	dev_err(dev, "cannot find Radio Control Interface Class descriptor\n");
+	return -ENODEV;
+
+found:
+	result = -EINVAL;
+	if (hdr->bLength > itr_size) {	/* is it available? */
+		dev_err(dev, "incomplete Radio Control Interface Class "
+			"descriptor (%zu bytes left, %u needed)\n",
+			itr_size, hdr->bLength);
+		goto error;
+	}
+	if (hdr->bLength < sizeof(*descr)) {
+		dev_err(dev, "short Radio Control Interface Class "
+			"descriptor\n");
+		goto error;
+	}
+	descr = (struct uwb_rc_control_intf_class_desc *) hdr;
+	/* Make LE fields CPU order */
+	version = __le16_to_cpu(descr->bcdRCIVersion);
+	if (version != 0x0100) {
+		dev_err(dev, "Device reports protocol version 0x%04x. We "
+			"do not support that. \n", version);
+		result = -EINVAL;
+		goto error;
+	}
+	rc->version = version;
+	d_printf(3, dev, "Device supports WUSB protocol version 0x%04x \n",
+		 rc->version);
+	result = 0;
+error:
+	return result;
+}
+
+/*
+ * By creating a 'uwb_rc', we have a reference on it -- that reference
+ * is the one we drop when we disconnect.
+ *
+ * No need to switch altsettings; according to WUSB1.0[8.6.1.1], there
+ * is only one altsetting allowed.
+ */
+static int hwarc_probe(struct usb_interface *iface,
+		       const struct usb_device_id *id)
+{
+	int result;
+	struct uwb_rc *uwb_rc;
+	struct hwarc *hwarc;
+	struct device *dev = &iface->dev;
+
+	result = -ENOMEM;
+	uwb_rc = uwb_rc_alloc();
+	if (uwb_rc == NULL) {
+		dev_err(dev, "unable to allocate RC instance\n");
+		goto error_rc_alloc;
+	}
+	hwarc = kzalloc(sizeof(*hwarc), GFP_KERNEL);
+	if (hwarc == NULL) {
+		dev_err(dev, "unable to allocate HWA RC instance\n");
+		goto error_alloc;
+	}
+	hwarc_init(hwarc);
+	hwarc->usb_dev = usb_get_dev(interface_to_usbdev(iface));
+	hwarc->usb_iface = usb_get_intf(iface);
+	hwarc->uwb_rc = uwb_rc;
+
+	uwb_rc->owner = THIS_MODULE;
+	uwb_rc->start = hwarc_neep_init;
+	uwb_rc->stop  = hwarc_neep_release;
+	uwb_rc->cmd   = hwarc_cmd;
+	uwb_rc->reset = hwarc_reset;
+	uwb_rc->filter_cmd   = hwarc_filter_cmd;
+	uwb_rc->filter_event = hwarc_filter_event;
+
+	result = uwb_rc_add(uwb_rc, dev, hwarc);
+	if (result < 0)
+		goto error_rc_add;
+	result = hwarc_get_version(uwb_rc);
+	if (result < 0) {
+		dev_err(dev, "cannot retrieve version of RC \n");
+		goto error_get_version;
+	}
+	usb_set_intfdata(iface, hwarc);
+	return 0;
+
+error_get_version:
+	uwb_rc_rm(uwb_rc);
+error_rc_add:
+	usb_put_intf(iface);
+	usb_put_dev(hwarc->usb_dev);
+error_alloc:
+	uwb_rc_put(uwb_rc);
+error_rc_alloc:
+	return result;
+}
+
+static void hwarc_disconnect(struct usb_interface *iface)
+{
+	struct hwarc *hwarc = usb_get_intfdata(iface);
+	struct uwb_rc *uwb_rc = hwarc->uwb_rc;
+
+	usb_set_intfdata(hwarc->usb_iface, NULL);
+	uwb_rc_rm(uwb_rc);
+	usb_put_intf(hwarc->usb_iface);
+	usb_put_dev(hwarc->usb_dev);
+	d_printf(1, &hwarc->usb_iface->dev, "freed hwarc %p\n", hwarc);
+	kfree(hwarc);
+	uwb_rc_put(uwb_rc);	/* when creating the device, refcount = 1 */
+}
+
+/** USB device ID's that we handle */
+static struct usb_device_id hwarc_id_table[] = {
+	{ USB_INTERFACE_INFO(0xe0, 0x01, 0x02), },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, hwarc_id_table);
+
+static struct usb_driver hwarc_driver = {
+	.name =		"hwa-rc",
+	.probe =	hwarc_probe,
+	.disconnect =	hwarc_disconnect,
+	.id_table =	hwarc_id_table,
+};
+
+static int __init hwarc_driver_init(void)
+{
+	int result;
+	result = usb_register(&hwarc_driver);
+	if (result < 0)
+		printk(KERN_ERR "HWA-RC: Cannot register USB driver: %d\n",
+		       result);
+	return result;
+
+}
+module_init(hwarc_driver_init);
+
+static void __exit hwarc_driver_exit(void)
+{
+	usb_deregister(&hwarc_driver);
+}
+module_exit(hwarc_driver_exit);
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Host Wireless Adapter Radio Control Driver");
+MODULE_LICENSE("GPL");
-- 
GitLab


From f51448543f8e4871f0539435fce42a14044f5652 Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Wed, 17 Sep 2008 16:34:16 +0100
Subject: [PATCH 0166/2224] uwb: add the WiMedia LLC Protocol stack

Add the generic code for the WiMedia Logical Link Control Protocol (WLP).

This has been split into several patches for easier review.

core (this patch):
  - everything else

messages:
  - WLP message construction/decode

wss:
  - Wireless Service Set support

build-system:
  - Kconfig and Kbuild files

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/wlp/driver.c       |  43 ++
 drivers/uwb/wlp/eda.c          | 449 +++++++++++++++++++++
 drivers/uwb/wlp/sysfs.c        | 709 +++++++++++++++++++++++++++++++++
 drivers/uwb/wlp/txrx.c         | 374 +++++++++++++++++
 drivers/uwb/wlp/wlp-internal.h | 228 +++++++++++
 drivers/uwb/wlp/wlp-lc.c       | 585 +++++++++++++++++++++++++++
 6 files changed, 2388 insertions(+)
 create mode 100644 drivers/uwb/wlp/driver.c
 create mode 100644 drivers/uwb/wlp/eda.c
 create mode 100644 drivers/uwb/wlp/sysfs.c
 create mode 100644 drivers/uwb/wlp/txrx.c
 create mode 100644 drivers/uwb/wlp/wlp-internal.h
 create mode 100644 drivers/uwb/wlp/wlp-lc.c

diff --git a/drivers/uwb/wlp/driver.c b/drivers/uwb/wlp/driver.c
new file mode 100644
index 00000000000..cb8d699b6a6
--- /dev/null
+++ b/drivers/uwb/wlp/driver.c
@@ -0,0 +1,43 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Life cycle of WLP substack
+ *
+ * FIXME: Docs
+ */
+
+#include <linux/module.h>
+
+static int __init wlp_subsys_init(void)
+{
+	return 0;
+}
+module_init(wlp_subsys_init);
+
+static void __exit wlp_subsys_exit(void)
+{
+	return;
+}
+module_exit(wlp_subsys_exit);
+
+MODULE_AUTHOR("Reinette Chatre <reinette.chatre@intel.com>");
+MODULE_DESCRIPTION("WiMedia Logical Link Control Protocol (WLP)");
+MODULE_LICENSE("GPL");
diff --git a/drivers/uwb/wlp/eda.c b/drivers/uwb/wlp/eda.c
new file mode 100644
index 00000000000..cdfe8dfc434
--- /dev/null
+++ b/drivers/uwb/wlp/eda.c
@@ -0,0 +1,449 @@
+/*
+ * WUSB Wire Adapter: WLP interface
+ * Ethernet to device address cache
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * We need to be able to map ethernet addresses to device addresses
+ * and back because there is not explicit relationship between the eth
+ * addresses used in the ETH frames and the device addresses (no, it
+ * would not have been simpler to force as ETH address the MBOA MAC
+ * address...no, not at all :).
+ *
+ * A device has one MBOA MAC address and one device address. It is possible
+ * for a device to have more than one virtual MAC address (although a
+ * virtual address can be the same as the MBOA MAC address). The device
+ * address is guaranteed to be unique among the devices in the extended
+ * beacon group (see ECMA 17.1.1). We thus use the device address as index
+ * to this cache. We do allow searching based on virtual address as this
+ * is how Ethernet frames will be addressed.
+ *
+ * We need to support virtual EUI-48. Although, right now the virtual
+ * EUI-48 will always be the same as the MAC SAP address. The EDA cache
+ * entry thus contains a MAC SAP address as well as the virtual address
+ * (used to map the network stack address to a neighbor). When we move
+ * to support more than one virtual MAC on a host then this organization
+ * will have to change. Perhaps a neighbor has a list of WSSs, each with a
+ * tag and virtual EUI-48.
+ *
+ * On data transmission
+ * it is used to determine if the neighbor is connected and what WSS it
+ * belongs to. With this we know what tag to add to the WLP frame. Storing
+ * the WSS in the EDA cache may be overkill because we only support one
+ * WSS. Hopefully we will support more than one WSS at some point.
+ * On data reception it is used to determine the WSS based on
+ * the tag and address of the transmitting neighbor.
+ */
+
+#define D_LOCAL 5
+#include <linux/netdevice.h>
+#include <linux/uwb/debug.h>
+#include <linux/etherdevice.h>
+#include <linux/wlp.h>
+#include "wlp-internal.h"
+
+
+/* FIXME: cache is not purged, only on device close */
+
+/* FIXME: does not scale, change to dynamic array */
+
+/*
+ * Initialize the EDA cache
+ *
+ * @returns 0 if ok, < 0 errno code on error
+ *
+ * Call when the interface is being brought up
+ *
+ * NOTE: Keep it as a separate function as the implementation will
+ *       change and be more complex.
+ */
+void wlp_eda_init(struct wlp_eda *eda)
+{
+	INIT_LIST_HEAD(&eda->cache);
+	spin_lock_init(&eda->lock);
+}
+
+/*
+ * Release the EDA cache
+ *
+ * @returns 0 if ok, < 0 errno code on error
+ *
+ * Called when the interface is brought down
+ */
+void wlp_eda_release(struct wlp_eda *eda)
+{
+	unsigned long flags;
+	struct wlp_eda_node *itr, *next;
+
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry_safe(itr, next, &eda->cache, list_node) {
+		list_del(&itr->list_node);
+		kfree(itr);
+	}
+	spin_unlock_irqrestore(&eda->lock, flags);
+}
+
+/*
+ * Add an address mapping
+ *
+ * @returns 0 if ok, < 0 errno code on error
+ *
+ * An address mapping is initially created when the neighbor device is seen
+ * for the first time (it is "onair"). At this time the neighbor is not
+ * connected or associated with a WSS so we only populate the Ethernet and
+ * Device address fields.
+ *
+ */
+int wlp_eda_create_node(struct wlp_eda *eda,
+			const unsigned char eth_addr[ETH_ALEN],
+			const struct uwb_dev_addr *dev_addr)
+{
+	int result = 0;
+	struct wlp_eda_node *itr;
+	unsigned long flags;
+
+	BUG_ON(dev_addr == NULL || eth_addr == NULL);
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry(itr, &eda->cache, list_node) {
+		if (!memcmp(&itr->dev_addr, dev_addr, sizeof(itr->dev_addr))) {
+			printk(KERN_ERR "EDA cache already contains entry "
+			       "for neighbor %02x:%02x\n",
+			       dev_addr->data[1], dev_addr->data[0]);
+			result = -EEXIST;
+			goto out_unlock;
+		}
+	}
+	itr = kzalloc(sizeof(*itr), GFP_ATOMIC);
+	if (itr != NULL) {
+		memcpy(itr->eth_addr, eth_addr, sizeof(itr->eth_addr));
+		itr->dev_addr = *dev_addr;
+		list_add(&itr->list_node, &eda->cache);
+	} else
+		result = -ENOMEM;
+out_unlock:
+	spin_unlock_irqrestore(&eda->lock, flags);
+	return result;
+}
+
+/*
+ * Remove entry from EDA cache
+ *
+ * This is done when the device goes off air.
+ */
+void wlp_eda_rm_node(struct wlp_eda *eda, const struct uwb_dev_addr *dev_addr)
+{
+	struct wlp_eda_node *itr, *next;
+	unsigned long flags;
+
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry_safe(itr, next, &eda->cache, list_node) {
+		if (!memcmp(&itr->dev_addr, dev_addr, sizeof(itr->dev_addr))) {
+			list_del(&itr->list_node);
+			kfree(itr);
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&eda->lock, flags);
+}
+
+/*
+ * Update an address mapping
+ *
+ * @returns 0 if ok, < 0 errno code on error
+ */
+int wlp_eda_update_node(struct wlp_eda *eda,
+			const struct uwb_dev_addr *dev_addr,
+			struct wlp_wss *wss,
+			const unsigned char virt_addr[ETH_ALEN],
+			const u8 tag, const enum wlp_wss_connect state)
+{
+	int result = -ENOENT;
+	struct wlp_eda_node *itr;
+	unsigned long flags;
+
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry(itr, &eda->cache, list_node) {
+		if (!memcmp(&itr->dev_addr, dev_addr, sizeof(itr->dev_addr))) {
+			/* Found it, update it */
+			itr->wss = wss;
+			memcpy(itr->virt_addr, virt_addr,
+			       sizeof(itr->virt_addr));
+			itr->tag = tag;
+			itr->state = state;
+			result = 0;
+			goto out_unlock;
+		}
+	}
+	/* Not found */
+out_unlock:
+	spin_unlock_irqrestore(&eda->lock, flags);
+	return result;
+}
+
+/*
+ * Update only state field of an address mapping
+ *
+ * @returns 0 if ok, < 0 errno code on error
+ */
+int wlp_eda_update_node_state(struct wlp_eda *eda,
+			      const struct uwb_dev_addr *dev_addr,
+			      const enum wlp_wss_connect state)
+{
+	int result = -ENOENT;
+	struct wlp_eda_node *itr;
+	unsigned long flags;
+
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry(itr, &eda->cache, list_node) {
+		if (!memcmp(&itr->dev_addr, dev_addr, sizeof(itr->dev_addr))) {
+			/* Found it, update it */
+			itr->state = state;
+			result = 0;
+			goto out_unlock;
+		}
+	}
+	/* Not found */
+out_unlock:
+	spin_unlock_irqrestore(&eda->lock, flags);
+	return result;
+}
+
+/*
+ * Return contents of EDA cache entry
+ *
+ * @dev_addr: index to EDA cache
+ * @eda_entry: pointer to where contents of EDA cache will be copied
+ */
+int wlp_copy_eda_node(struct wlp_eda *eda, struct uwb_dev_addr *dev_addr,
+		      struct wlp_eda_node *eda_entry)
+{
+	int result = -ENOENT;
+	struct wlp_eda_node *itr;
+	unsigned long flags;
+
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry(itr, &eda->cache, list_node) {
+		if (!memcmp(&itr->dev_addr, dev_addr, sizeof(itr->dev_addr))) {
+			*eda_entry = *itr;
+			result = 0;
+			goto out_unlock;
+		}
+	}
+	/* Not found */
+out_unlock:
+	spin_unlock_irqrestore(&eda->lock, flags);
+	return result;
+}
+
+/*
+ * Execute function for every element in the cache
+ *
+ * @function: function to execute on element of cache (must be atomic)
+ * @priv:     private data of function
+ * @returns:  result of first function that failed, or last function
+ *            executed if no function failed.
+ *
+ * Stop executing when function returns error for any element in cache.
+ *
+ * IMPORTANT: We are using a spinlock here: the function executed on each
+ * element has to be atomic.
+ */
+int wlp_eda_for_each(struct wlp_eda *eda, wlp_eda_for_each_f function,
+		     void *priv)
+{
+	int result = 0;
+	struct wlp *wlp = container_of(eda, struct wlp, eda);
+	struct wlp_eda_node *entry;
+	unsigned long flags;
+
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry(entry, &eda->cache, list_node) {
+		result = (*function)(wlp, entry, priv);
+		if (result < 0)
+			break;
+	}
+	spin_unlock_irqrestore(&eda->lock, flags);
+	return result;
+}
+
+/*
+ * Execute function for single element in the cache (return dev addr)
+ *
+ * @virt_addr: index into EDA cache used to determine which element to
+ *             execute the function on
+ * @dev_addr: device address of element in cache will be returned using
+ *            @dev_addr
+ * @function: function to execute on element of cache (must be atomic)
+ * @priv:     private data of function
+ * @returns:  result of function
+ *
+ * IMPORTANT: We are using a spinlock here: the function executed on the
+ * element has to be atomic.
+ */
+int wlp_eda_for_virtual(struct wlp_eda *eda,
+			const unsigned char virt_addr[ETH_ALEN],
+			struct uwb_dev_addr *dev_addr,
+			wlp_eda_for_each_f function,
+			void *priv)
+{
+	int result = 0;
+	struct wlp *wlp = container_of(eda, struct wlp, eda);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_eda_node *itr;
+	unsigned long flags;
+	int found = 0;
+
+	spin_lock_irqsave(&eda->lock, flags);
+	list_for_each_entry(itr, &eda->cache, list_node) {
+		if (!memcmp(itr->virt_addr, virt_addr,
+			   sizeof(itr->virt_addr))) {
+			d_printf(6, dev, "EDA: looking for "
+			       "%02x:%02x:%02x:%02x:%02x:%02x hit %02x:%02x "
+			       "wss %p tag 0x%02x state %u\n",
+			       virt_addr[0], virt_addr[1],
+			       virt_addr[2], virt_addr[3],
+			       virt_addr[4], virt_addr[5],
+			       itr->dev_addr.data[1],
+			       itr->dev_addr.data[0], itr->wss,
+			       itr->tag, itr->state);
+			result = (*function)(wlp, itr, priv);
+			*dev_addr = itr->dev_addr;
+			found = 1;
+			break;
+		} else
+			d_printf(6, dev, "EDA: looking for "
+			       "%02x:%02x:%02x:%02x:%02x:%02x "
+			       "against "
+			       "%02x:%02x:%02x:%02x:%02x:%02x miss\n",
+			       virt_addr[0], virt_addr[1],
+			       virt_addr[2], virt_addr[3],
+			       virt_addr[4], virt_addr[5],
+			       itr->virt_addr[0], itr->virt_addr[1],
+			       itr->virt_addr[2], itr->virt_addr[3],
+			       itr->virt_addr[4], itr->virt_addr[5]);
+	}
+	if (!found) {
+		if (printk_ratelimit())
+			dev_err(dev, "EDA: Eth addr %02x:%02x:%02x"
+				":%02x:%02x:%02x not found.\n",
+				virt_addr[0], virt_addr[1],
+				virt_addr[2], virt_addr[3],
+				virt_addr[4], virt_addr[5]);
+		result = -ENODEV;
+	}
+	spin_unlock_irqrestore(&eda->lock, flags);
+	return result;
+}
+
+static const char *__wlp_wss_connect_state[] = { "WLP_WSS_UNCONNECTED",
+					  "WLP_WSS_CONNECTED",
+					  "WLP_WSS_CONNECT_FAILED",
+};
+
+static const char *wlp_wss_connect_state_str(unsigned id)
+{
+	if (id >= ARRAY_SIZE(__wlp_wss_connect_state))
+		return "unknown WSS connection state";
+	return __wlp_wss_connect_state[id];
+}
+
+/*
+ * View EDA cache from user space
+ *
+ * A debugging feature to give user visibility into the EDA cache. Also
+ * used to display members of WSS to user (called from wlp_wss_members_show())
+ */
+ssize_t wlp_eda_show(struct wlp *wlp, char *buf)
+{
+	ssize_t result = 0;
+	struct wlp_eda_node *entry;
+	unsigned long flags;
+	struct wlp_eda *eda = &wlp->eda;
+	spin_lock_irqsave(&eda->lock, flags);
+	result = scnprintf(buf, PAGE_SIZE, "#eth_addr dev_addr wss_ptr "
+			   "tag state virt_addr\n");
+	list_for_each_entry(entry, &eda->cache, list_node) {
+		result += scnprintf(buf + result, PAGE_SIZE - result,
+				    "%02x:%02x:%02x:%02x:%02x:%02x %02x:%02x "
+				    "%p 0x%02x %s "
+				    "%02x:%02x:%02x:%02x:%02x:%02x\n",
+				    entry->eth_addr[0], entry->eth_addr[1],
+				    entry->eth_addr[2], entry->eth_addr[3],
+				    entry->eth_addr[4], entry->eth_addr[5],
+				    entry->dev_addr.data[1],
+				    entry->dev_addr.data[0], entry->wss,
+				    entry->tag,
+				    wlp_wss_connect_state_str(entry->state),
+				    entry->virt_addr[0], entry->virt_addr[1],
+				    entry->virt_addr[2], entry->virt_addr[3],
+				    entry->virt_addr[4], entry->virt_addr[5]);
+		if (result >= PAGE_SIZE)
+			break;
+	}
+	spin_unlock_irqrestore(&eda->lock, flags);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_eda_show);
+
+/*
+ * Add new EDA cache entry based on user input in sysfs
+ *
+ * Should only be used for debugging.
+ *
+ * The WSS is assumed to be the only WSS supported. This needs to be
+ * redesigned when we support more than one WSS.
+ */
+ssize_t wlp_eda_store(struct wlp *wlp, const char *buf, size_t size)
+{
+	ssize_t result;
+	struct wlp_eda *eda = &wlp->eda;
+	u8 eth_addr[6];
+	struct uwb_dev_addr dev_addr;
+	u8 tag;
+	unsigned state;
+
+	result = sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx "
+			"%02hhx:%02hhx %02hhx %u\n",
+			&eth_addr[0], &eth_addr[1],
+			&eth_addr[2], &eth_addr[3],
+			&eth_addr[4], &eth_addr[5],
+			&dev_addr.data[1], &dev_addr.data[0], &tag, &state);
+	switch (result) {
+	case 6: /* no dev addr specified -- remove entry NOT IMPLEMENTED */
+		/*result = wlp_eda_rm(eda, eth_addr, &dev_addr);*/
+		result = -ENOSYS;
+		break;
+	case 10:
+		state = state >= 1 ? 1 : 0;
+		result = wlp_eda_create_node(eda, eth_addr, &dev_addr);
+		if (result < 0 && result != -EEXIST)
+			goto error;
+		/* Set virtual addr to be same as MAC */
+		result = wlp_eda_update_node(eda, &dev_addr, &wlp->wss,
+					     eth_addr, tag, state);
+		if (result < 0)
+			goto error;
+		break;
+	default: /* bad format */
+		result = -EINVAL;
+	}
+error:
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(wlp_eda_store);
diff --git a/drivers/uwb/wlp/sysfs.c b/drivers/uwb/wlp/sysfs.c
new file mode 100644
index 00000000000..1bb9b1f97d4
--- /dev/null
+++ b/drivers/uwb/wlp/sysfs.c
@@ -0,0 +1,709 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ * sysfs functions
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: Docs
+ *
+ */
+
+#include <linux/wlp.h>
+#include "wlp-internal.h"
+
+static
+size_t wlp_wss_wssid_e_print(char *buf, size_t bufsize,
+			     struct wlp_wssid_e *wssid_e)
+{
+	size_t used = 0;
+	used += scnprintf(buf, bufsize, " WSS: ");
+	used += wlp_wss_uuid_print(buf + used, bufsize - used,
+				   &wssid_e->wssid);
+
+	if (wssid_e->info != NULL) {
+		used += scnprintf(buf + used, bufsize - used, " ");
+		used += uwb_mac_addr_print(buf + used, bufsize - used,
+					   &wssid_e->info->bcast);
+		used += scnprintf(buf + used, bufsize - used, " %u %u %s\n",
+				  wssid_e->info->accept_enroll,
+				  wssid_e->info->sec_status,
+				  wssid_e->info->name);
+	}
+	return used;
+}
+
+/**
+ * Print out information learned from neighbor discovery
+ *
+ * Some fields being printed may not be included in the device discovery
+ * information (it is not mandatory). We are thus careful how the
+ * information is printed to ensure it is clear to the user what field is
+ * being referenced.
+ * The information being printed is for one time use - temporary storage is
+ * cleaned after it is printed.
+ *
+ * Ideally sysfs output should be on one line. The information printed here
+ * contain a few strings so it will be hard to parse if they are all
+ * printed on the same line - without agreeing on a standard field
+ * separator.
+ */
+static
+ssize_t wlp_wss_neighborhood_print_remove(struct wlp *wlp, char *buf,
+				   size_t bufsize)
+{
+	size_t used = 0;
+	struct wlp_neighbor_e *neighb;
+	struct wlp_wssid_e *wssid_e;
+
+	mutex_lock(&wlp->nbmutex);
+	used = scnprintf(buf, bufsize, "#Neighbor information\n"
+			 "#uuid dev_addr\n"
+			 "# Device Name:\n# Model Name:\n# Manufacturer:\n"
+			 "# Model Nr:\n# Serial:\n"
+			 "# Pri Dev type: CategoryID OUI OUISubdiv "
+			 "SubcategoryID\n"
+			 "# WSS: WSSID WSS_name accept_enroll sec_status "
+			 "bcast\n"
+			 "# WSS: WSSID WSS_name accept_enroll sec_status "
+			 "bcast\n\n");
+	list_for_each_entry(neighb, &wlp->neighbors, node) {
+		if (bufsize - used <= 0)
+			goto out;
+		used += wlp_wss_uuid_print(buf + used, bufsize - used,
+					   &neighb->uuid);
+		buf[used++] = ' ';
+		used += uwb_dev_addr_print(buf + used, bufsize - used,
+					   &neighb->uwb_dev->dev_addr);
+		if (neighb->info != NULL)
+			used += scnprintf(buf + used, bufsize - used,
+					  "\n Device Name: %s\n"
+					  " Model Name: %s\n"
+					  " Manufacturer:%s \n"
+					  " Model Nr: %s\n"
+					  " Serial: %s\n"
+					  " Pri Dev type: "
+					  "%u %02x:%02x:%02x %u %u\n",
+					  neighb->info->name,
+					  neighb->info->model_name,
+					  neighb->info->manufacturer,
+					  neighb->info->model_nr,
+					  neighb->info->serial,
+					  neighb->info->prim_dev_type.category,
+					  neighb->info->prim_dev_type.OUI[0],
+					  neighb->info->prim_dev_type.OUI[1],
+					  neighb->info->prim_dev_type.OUI[2],
+					  neighb->info->prim_dev_type.OUIsubdiv,
+					  neighb->info->prim_dev_type.subID);
+		list_for_each_entry(wssid_e, &neighb->wssid, node) {
+			used += wlp_wss_wssid_e_print(buf + used,
+						      bufsize - used,
+						      wssid_e);
+		}
+		buf[used++] = '\n';
+		wlp_remove_neighbor_tmp_info(neighb);
+	}
+
+
+out:
+	mutex_unlock(&wlp->nbmutex);
+	return used;
+}
+
+
+/**
+ * Show properties of all WSS in neighborhood.
+ *
+ * Will trigger a complete discovery of WSS activated by this device and
+ * its neighbors.
+ */
+ssize_t wlp_neighborhood_show(struct wlp *wlp, char *buf)
+{
+	wlp_discover(wlp);
+	return wlp_wss_neighborhood_print_remove(wlp, buf, PAGE_SIZE);
+}
+EXPORT_SYMBOL_GPL(wlp_neighborhood_show);
+
+static
+ssize_t __wlp_wss_properties_show(struct wlp_wss *wss, char *buf,
+				  size_t bufsize)
+{
+	ssize_t result;
+
+	result = wlp_wss_uuid_print(buf, bufsize, &wss->wssid);
+	result += scnprintf(buf + result, bufsize - result, " ");
+	result += uwb_mac_addr_print(buf + result, bufsize - result,
+				     &wss->bcast);
+	result += scnprintf(buf + result, bufsize - result,
+			    " 0x%02x %u ", wss->hash, wss->secure_status);
+	result += wlp_wss_key_print(buf + result, bufsize - result,
+				    wss->master_key);
+	result += scnprintf(buf + result, bufsize - result, " 0x%02x ",
+			    wss->tag);
+	result += uwb_mac_addr_print(buf + result, bufsize - result,
+				     &wss->virtual_addr);
+	result += scnprintf(buf + result, bufsize - result, " %s", wss->name);
+	result += scnprintf(buf + result, bufsize - result,
+			    "\n\n#WSSID\n#WSS broadcast address\n"
+			    "#WSS hash\n#WSS secure status\n"
+			    "#WSS master key\n#WSS local tag\n"
+			    "#WSS local virtual EUI-48\n#WSS name\n");
+	return result;
+}
+
+/**
+ * Show which WSS is activated.
+ */
+ssize_t wlp_wss_activate_show(struct wlp_wss *wss, char *buf)
+{
+	int result = 0;
+
+	if (mutex_lock_interruptible(&wss->mutex))
+		goto out;
+	if (wss->state >= WLP_WSS_STATE_ACTIVE)
+		result = __wlp_wss_properties_show(wss, buf, PAGE_SIZE);
+	else
+		result = scnprintf(buf, PAGE_SIZE, "No local WSS active.\n");
+	result += scnprintf(buf + result, PAGE_SIZE - result,
+			"\n\n"
+			"# echo WSSID SECURE_STATUS ACCEPT_ENROLLMENT "
+			"NAME #create new WSS\n"
+			"# echo WSSID [DEV ADDR] #enroll in and activate "
+			"existing WSS, can request registrar\n"
+			"#\n"
+			"# WSSID is a 16 byte hex array. Eg. 12 A3 3B ... \n"
+			"# SECURE_STATUS 0 - unsecure, 1 - secure (default)\n"
+			"# ACCEPT_ENROLLMENT 0 - no, 1 - yes (default)\n"
+			"# NAME is the text string identifying the WSS\n"
+			"# DEV ADDR is the device address of neighbor "
+			"that should be registrar. Eg. 32:AB\n");
+
+	mutex_unlock(&wss->mutex);
+out:
+	return result;
+
+}
+EXPORT_SYMBOL_GPL(wlp_wss_activate_show);
+
+/**
+ * Create/activate a new WSS or enroll/activate in neighboring WSS
+ *
+ * The user can provide the WSSID of a WSS in which it wants to enroll.
+ * Only the WSSID is necessary if the WSS have been discovered before. If
+ * the WSS has not been discovered before, or the user wants to use a
+ * particular neighbor as its registrar, then the user can also provide a
+ * device address or the neighbor that will be used as registrar.
+ *
+ * A new WSS is created when the user provides a WSSID, secure status, and
+ * WSS name.
+ */
+ssize_t wlp_wss_activate_store(struct wlp_wss *wss,
+			       const char *buf, size_t size)
+{
+	ssize_t result = -EINVAL;
+	struct wlp_uuid wssid;
+	struct uwb_dev_addr dev;
+	struct uwb_dev_addr bcast = {.data = {0xff, 0xff} };
+	char name[65];
+	unsigned sec_status, accept;
+	memset(name, 0, sizeof(name));
+	result = sscanf(buf, "%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx:%02hhx",
+			&wssid.data[0] , &wssid.data[1],
+			&wssid.data[2] , &wssid.data[3],
+			&wssid.data[4] , &wssid.data[5],
+			&wssid.data[6] , &wssid.data[7],
+			&wssid.data[8] , &wssid.data[9],
+			&wssid.data[10], &wssid.data[11],
+			&wssid.data[12], &wssid.data[13],
+			&wssid.data[14], &wssid.data[15],
+			&dev.data[1], &dev.data[0]);
+	if (result == 16 || result == 17) {
+		result = sscanf(buf, "%02hhx %02hhx %02hhx %02hhx "
+				"%02hhx %02hhx %02hhx %02hhx "
+				"%02hhx %02hhx %02hhx %02hhx "
+				"%02hhx %02hhx %02hhx %02hhx "
+				"%u %u %64c",
+				&wssid.data[0] , &wssid.data[1],
+				&wssid.data[2] , &wssid.data[3],
+				&wssid.data[4] , &wssid.data[5],
+				&wssid.data[6] , &wssid.data[7],
+				&wssid.data[8] , &wssid.data[9],
+				&wssid.data[10], &wssid.data[11],
+				&wssid.data[12], &wssid.data[13],
+				&wssid.data[14], &wssid.data[15],
+				&sec_status, &accept, name);
+		if (result == 16)
+			result = wlp_wss_enroll_activate(wss, &wssid, &bcast);
+		else if (result == 19) {
+			sec_status = sec_status == 0 ? 0 : 1;
+			accept = accept == 0 ? 0 : 1;
+			/* We read name using %c, so the newline needs to be
+			 * removed */
+			if (strlen(name) != sizeof(name) - 1)
+				name[strlen(name) - 1] = '\0';
+			result = wlp_wss_create_activate(wss, &wssid, name,
+							 sec_status, accept);
+		} else
+			result = -EINVAL;
+	} else if (result == 18)
+		result = wlp_wss_enroll_activate(wss, &wssid, &dev);
+	else
+		result = -EINVAL;
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(wlp_wss_activate_store);
+
+/**
+ * Show the UUID of this host
+ */
+ssize_t wlp_uuid_show(struct wlp *wlp, char *buf)
+{
+	ssize_t result = 0;
+
+	mutex_lock(&wlp->mutex);
+	result = wlp_wss_uuid_print(buf, PAGE_SIZE, &wlp->uuid);
+	buf[result++] = '\n';
+	mutex_unlock(&wlp->mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_uuid_show);
+
+/**
+ * Store a new UUID for this host
+ *
+ * According to the spec this should be encoded as an octet string in the
+ * order the octets are shown in string representation in RFC 4122 (WLP
+ * 0.99 [Table 6])
+ *
+ * We do not check value provided by user.
+ */
+ssize_t wlp_uuid_store(struct wlp *wlp, const char *buf, size_t size)
+{
+	ssize_t result;
+	struct wlp_uuid uuid;
+
+	mutex_lock(&wlp->mutex);
+	result = sscanf(buf, "%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx ",
+			&uuid.data[0] , &uuid.data[1],
+			&uuid.data[2] , &uuid.data[3],
+			&uuid.data[4] , &uuid.data[5],
+			&uuid.data[6] , &uuid.data[7],
+			&uuid.data[8] , &uuid.data[9],
+			&uuid.data[10], &uuid.data[11],
+			&uuid.data[12], &uuid.data[13],
+			&uuid.data[14], &uuid.data[15]);
+	if (result != 16) {
+		result = -EINVAL;
+		goto error;
+	}
+	wlp->uuid = uuid;
+error:
+	mutex_unlock(&wlp->mutex);
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(wlp_uuid_store);
+
+/**
+ * Show contents of members of device information structure
+ */
+#define wlp_dev_info_show(type)						\
+ssize_t wlp_dev_##type##_show(struct wlp *wlp, char *buf)		\
+{									\
+	ssize_t result = 0;						\
+	mutex_lock(&wlp->mutex);					\
+	if (wlp->dev_info == NULL) {					\
+		result = __wlp_setup_device_info(wlp);			\
+		if (result < 0)						\
+			goto out;					\
+	}								\
+	result = scnprintf(buf, PAGE_SIZE, "%s\n", wlp->dev_info->type);\
+out:									\
+	mutex_unlock(&wlp->mutex);					\
+	return result;							\
+}									\
+EXPORT_SYMBOL_GPL(wlp_dev_##type##_show);
+
+wlp_dev_info_show(name)
+wlp_dev_info_show(model_name)
+wlp_dev_info_show(model_nr)
+wlp_dev_info_show(manufacturer)
+wlp_dev_info_show(serial)
+
+/**
+ * Store contents of members of device information structure
+ */
+#define wlp_dev_info_store(type, len)					\
+ssize_t wlp_dev_##type##_store(struct wlp *wlp, const char *buf, size_t size)\
+{									\
+	ssize_t result;							\
+	char format[10];						\
+	mutex_lock(&wlp->mutex);					\
+	if (wlp->dev_info == NULL) {					\
+		result = __wlp_alloc_device_info(wlp);			\
+		if (result < 0)						\
+			goto out;					\
+	}								\
+	memset(wlp->dev_info->type, 0, sizeof(wlp->dev_info->type));	\
+	sprintf(format, "%%%uc", len);					\
+	result = sscanf(buf, format, wlp->dev_info->type);		\
+out:									\
+	mutex_unlock(&wlp->mutex);					\
+	return result < 0 ? result : size;				\
+}									\
+EXPORT_SYMBOL_GPL(wlp_dev_##type##_store);
+
+wlp_dev_info_store(name, 32)
+wlp_dev_info_store(manufacturer, 64)
+wlp_dev_info_store(model_name, 32)
+wlp_dev_info_store(model_nr, 32)
+wlp_dev_info_store(serial, 32)
+
+static
+const char *__wlp_dev_category[] = {
+	[WLP_DEV_CAT_COMPUTER] = "Computer",
+	[WLP_DEV_CAT_INPUT] = "Input device",
+	[WLP_DEV_CAT_PRINT_SCAN_FAX_COPIER] = "Printer, scanner, FAX, or "
+					      "Copier",
+	[WLP_DEV_CAT_CAMERA] = "Camera",
+	[WLP_DEV_CAT_STORAGE] = "Storage Network",
+	[WLP_DEV_CAT_INFRASTRUCTURE] = "Infrastructure",
+	[WLP_DEV_CAT_DISPLAY] = "Display",
+	[WLP_DEV_CAT_MULTIM] = "Multimedia device",
+	[WLP_DEV_CAT_GAMING] = "Gaming device",
+	[WLP_DEV_CAT_TELEPHONE] = "Telephone",
+	[WLP_DEV_CAT_OTHER] = "Other",
+};
+
+static
+const char *wlp_dev_category_str(unsigned cat)
+{
+	if ((cat >= WLP_DEV_CAT_COMPUTER && cat <= WLP_DEV_CAT_TELEPHONE)
+	    || cat == WLP_DEV_CAT_OTHER)
+		return __wlp_dev_category[cat];
+	return "unknown category";
+}
+
+ssize_t wlp_dev_prim_category_show(struct wlp *wlp, char *buf)
+{
+	ssize_t result = 0;
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_setup_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = scnprintf(buf, PAGE_SIZE, "%s\n",
+		  wlp_dev_category_str(wlp->dev_info->prim_dev_type.category));
+out:
+	mutex_unlock(&wlp->mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_category_show);
+
+ssize_t wlp_dev_prim_category_store(struct wlp *wlp, const char *buf,
+				    size_t size)
+{
+	ssize_t result;
+	u16 cat;
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_alloc_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = sscanf(buf, "%hu", &cat);
+	if ((cat >= WLP_DEV_CAT_COMPUTER && cat <= WLP_DEV_CAT_TELEPHONE)
+	    || cat == WLP_DEV_CAT_OTHER)
+		wlp->dev_info->prim_dev_type.category = cat;
+	else
+		result = -EINVAL;
+out:
+	mutex_unlock(&wlp->mutex);
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_category_store);
+
+ssize_t wlp_dev_prim_OUI_show(struct wlp *wlp, char *buf)
+{
+	ssize_t result = 0;
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_setup_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = scnprintf(buf, PAGE_SIZE, "%02x:%02x:%02x\n",
+			   wlp->dev_info->prim_dev_type.OUI[0],
+			   wlp->dev_info->prim_dev_type.OUI[1],
+			   wlp->dev_info->prim_dev_type.OUI[2]);
+out:
+	mutex_unlock(&wlp->mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_OUI_show);
+
+ssize_t wlp_dev_prim_OUI_store(struct wlp *wlp, const char *buf, size_t size)
+{
+	ssize_t result;
+	u8 OUI[3];
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_alloc_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = sscanf(buf, "%hhx:%hhx:%hhx",
+			&OUI[0], &OUI[1], &OUI[2]);
+	if (result != 3) {
+		result = -EINVAL;
+		goto out;
+	} else
+		memcpy(wlp->dev_info->prim_dev_type.OUI, OUI, sizeof(OUI));
+out:
+	mutex_unlock(&wlp->mutex);
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_OUI_store);
+
+
+ssize_t wlp_dev_prim_OUI_sub_show(struct wlp *wlp, char *buf)
+{
+	ssize_t result = 0;
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_setup_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = scnprintf(buf, PAGE_SIZE, "%u\n",
+			   wlp->dev_info->prim_dev_type.OUIsubdiv);
+out:
+	mutex_unlock(&wlp->mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_OUI_sub_show);
+
+ssize_t wlp_dev_prim_OUI_sub_store(struct wlp *wlp, const char *buf,
+				   size_t size)
+{
+	ssize_t result;
+	unsigned sub;
+	u8 max_sub = ~0;
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_alloc_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = sscanf(buf, "%u", &sub);
+	if (sub <= max_sub)
+		wlp->dev_info->prim_dev_type.OUIsubdiv = sub;
+	else
+		result = -EINVAL;
+out:
+	mutex_unlock(&wlp->mutex);
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_OUI_sub_store);
+
+ssize_t wlp_dev_prim_subcat_show(struct wlp *wlp, char *buf)
+{
+	ssize_t result = 0;
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_setup_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = scnprintf(buf, PAGE_SIZE, "%u\n",
+			   wlp->dev_info->prim_dev_type.subID);
+out:
+	mutex_unlock(&wlp->mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_subcat_show);
+
+ssize_t wlp_dev_prim_subcat_store(struct wlp *wlp, const char *buf,
+				  size_t size)
+{
+	ssize_t result;
+	unsigned sub;
+	__le16 max_sub = ~0;
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_alloc_device_info(wlp);
+		if (result < 0)
+			goto out;
+	}
+	result = sscanf(buf, "%u", &sub);
+	if (sub <= max_sub)
+		wlp->dev_info->prim_dev_type.subID = sub;
+	else
+		result = -EINVAL;
+out:
+	mutex_unlock(&wlp->mutex);
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(wlp_dev_prim_subcat_store);
+
+/**
+ * Subsystem implementation for interaction with individual WSS via sysfs
+ *
+ * Followed instructions for subsystem in Documentation/filesystems/sysfs.txt
+ */
+
+#define kobj_to_wlp_wss(obj) container_of(obj, struct wlp_wss, kobj)
+#define attr_to_wlp_wss_attr(_attr) \
+	container_of(_attr, struct wlp_wss_attribute, attr)
+
+/**
+ * Sysfs subsystem: forward read calls
+ *
+ * Sysfs operation for forwarding read call to the show method of the
+ * attribute owner
+ */
+static
+ssize_t wlp_wss_attr_show(struct kobject *kobj, struct attribute *attr,
+			  char *buf)
+{
+	struct wlp_wss_attribute *wss_attr = attr_to_wlp_wss_attr(attr);
+	struct wlp_wss *wss = kobj_to_wlp_wss(kobj);
+	ssize_t ret = -EIO;
+
+	if (wss_attr->show)
+		ret = wss_attr->show(wss, buf);
+	return ret;
+}
+/**
+ * Sysfs subsystem: forward write calls
+ *
+ * Sysfs operation for forwarding write call to the store method of the
+ * attribute owner
+ */
+static
+ssize_t wlp_wss_attr_store(struct kobject *kobj, struct attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct wlp_wss_attribute *wss_attr = attr_to_wlp_wss_attr(attr);
+	struct wlp_wss *wss = kobj_to_wlp_wss(kobj);
+	ssize_t ret = -EIO;
+
+	if (wss_attr->store)
+		ret = wss_attr->store(wss, buf, count);
+	return ret;
+}
+
+static
+struct sysfs_ops wss_sysfs_ops = {
+	.show	= wlp_wss_attr_show,
+	.store	= wlp_wss_attr_store,
+};
+
+struct kobj_type wss_ktype = {
+	.release	= wlp_wss_release,
+	.sysfs_ops	= &wss_sysfs_ops,
+};
+
+
+/**
+ * Sysfs files for individual WSS
+ */
+
+/**
+ * Print static properties of this WSS
+ *
+ * The name of a WSS may not be null teminated. It's max size is 64 bytes
+ * so we copy it to a larger array just to make sure we print sane data.
+ */
+static ssize_t wlp_wss_properties_show(struct wlp_wss *wss, char *buf)
+{
+	int result = 0;
+
+	if (mutex_lock_interruptible(&wss->mutex))
+		goto out;
+	result = __wlp_wss_properties_show(wss, buf, PAGE_SIZE);
+	mutex_unlock(&wss->mutex);
+out:
+	return result;
+}
+WSS_ATTR(properties, S_IRUGO, wlp_wss_properties_show, NULL);
+
+/**
+ * Print all connected members of this WSS
+ * The EDA cache contains all members of WSS neighborhood.
+ */
+static ssize_t wlp_wss_members_show(struct wlp_wss *wss, char *buf)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	return wlp_eda_show(wlp, buf);
+}
+WSS_ATTR(members, S_IRUGO, wlp_wss_members_show, NULL);
+
+static
+const char *__wlp_strstate[] = {
+	"none",
+	"partially enrolled",
+	"enrolled",
+	"active",
+	"connected",
+};
+
+static const char *wlp_wss_strstate(unsigned state)
+{
+	if (state >= ARRAY_SIZE(__wlp_strstate))
+		return "unknown state";
+	return __wlp_strstate[state];
+}
+
+/*
+ * Print current state of this WSS
+ */
+static ssize_t wlp_wss_state_show(struct wlp_wss *wss, char *buf)
+{
+	int result = 0;
+
+	if (mutex_lock_interruptible(&wss->mutex))
+		goto out;
+	result = scnprintf(buf, PAGE_SIZE, "%s\n",
+			   wlp_wss_strstate(wss->state));
+	mutex_unlock(&wss->mutex);
+out:
+	return result;
+}
+WSS_ATTR(state, S_IRUGO, wlp_wss_state_show, NULL);
+
+
+static
+struct attribute *wss_attrs[] = {
+	&wss_attr_properties.attr,
+	&wss_attr_members.attr,
+	&wss_attr_state.attr,
+	NULL,
+};
+
+struct attribute_group wss_attr_group = {
+	.name = NULL,	/* we want them in the same directory */
+	.attrs = wss_attrs,
+};
diff --git a/drivers/uwb/wlp/txrx.c b/drivers/uwb/wlp/txrx.c
new file mode 100644
index 00000000000..c701bd1a288
--- /dev/null
+++ b/drivers/uwb/wlp/txrx.c
@@ -0,0 +1,374 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ * Message exchange infrastructure
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: Docs
+ *
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/wlp.h>
+#define D_LOCAL 5
+#include <linux/uwb/debug.h>
+#include "wlp-internal.h"
+
+
+/**
+ * Direct incoming association msg to correct parsing routine
+ *
+ * We only expect D1, E1, C1, C3 messages as new. All other incoming
+ * association messages should form part of an established session that is
+ * handled elsewhere.
+ * The handling of these messages often require calling sleeping functions
+ * - this cannot be done in interrupt context. We use the kernel's
+ * workqueue to handle these messages.
+ */
+static
+void wlp_direct_assoc_frame(struct wlp *wlp, struct sk_buff *skb,
+			   struct uwb_dev_addr *src)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_frame_assoc *assoc = (void *) skb->data;
+	struct wlp_assoc_frame_ctx *frame_ctx;
+	d_fnstart(5, dev, "wlp %p, skb %p\n", wlp, skb);
+	frame_ctx = kmalloc(sizeof(*frame_ctx), GFP_ATOMIC);
+	if (frame_ctx == NULL) {
+		dev_err(dev, "WLP: Unable to allocate memory for association "
+			"frame handling.\n");
+		kfree_skb(skb);
+		goto out;
+	}
+	frame_ctx->wlp = wlp;
+	frame_ctx->skb = skb;
+	frame_ctx->src = *src;
+	switch (assoc->type) {
+	case WLP_ASSOC_D1:
+		d_printf(5, dev, "Received a D1 frame.\n");
+		INIT_WORK(&frame_ctx->ws, wlp_handle_d1_frame);
+		schedule_work(&frame_ctx->ws);
+		break;
+	case WLP_ASSOC_E1:
+		d_printf(5, dev, "Received a E1 frame. FIXME?\n");
+		kfree_skb(skb); /* Temporary until we handle it */
+		kfree(frame_ctx); /* Temporary until we handle it */
+		break;
+	case WLP_ASSOC_C1:
+		d_printf(5, dev, "Received a C1 frame.\n");
+		INIT_WORK(&frame_ctx->ws, wlp_handle_c1_frame);
+		schedule_work(&frame_ctx->ws);
+		break;
+	case WLP_ASSOC_C3:
+		d_printf(5, dev, "Received a C3 frame.\n");
+		INIT_WORK(&frame_ctx->ws, wlp_handle_c3_frame);
+		schedule_work(&frame_ctx->ws);
+		break;
+	default:
+		dev_err(dev, "Received unexpected association frame. "
+			"Type = %d \n", assoc->type);
+		kfree_skb(skb);
+		kfree(frame_ctx);
+		break;
+	}
+out:
+	d_fnend(5, dev, "wlp %p\n", wlp);
+}
+
+/**
+ * Process incoming association frame
+ *
+ * Although it could be possible to deal with some incoming association
+ * messages without creating a new session we are keeping things simple. We
+ * do not accept new association messages if there is a session in progress
+ * and the messages do not belong to that session.
+ *
+ * If an association message arrives that causes the creation of a session
+ * (WLP_ASSOC_E1) while we are in the process of creating a session then we
+ * rely on the neighbor mutex to protect the data. That is, the new session
+ * will not be started until the previous is completed.
+ */
+static
+void wlp_receive_assoc_frame(struct wlp *wlp, struct sk_buff *skb,
+			     struct uwb_dev_addr *src)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_frame_assoc *assoc = (void *) skb->data;
+	struct wlp_session *session = wlp->session;
+	u8 version;
+	d_fnstart(5, dev, "wlp %p, skb %p\n", wlp, skb);
+
+	if (wlp_get_version(wlp, &assoc->version, &version,
+			    sizeof(assoc->version)) < 0)
+		goto error;
+	if (version != WLP_VERSION) {
+		dev_err(dev, "Unsupported WLP version in association "
+			"message.\n");
+		goto error;
+	}
+	if (session != NULL) {
+		/* Function that created this session is still holding the
+		 * &wlp->mutex to protect this session. */
+		if (assoc->type == session->exp_message ||
+		    assoc->type == WLP_ASSOC_F0) {
+			if (!memcmp(&session->neighbor_addr, src,
+				   sizeof(*src))) {
+				session->data = skb;
+				(session->cb)(wlp);
+			} else {
+				dev_err(dev, "Received expected message from "
+					"unexpected source.  Expected message "
+					"%d or F0 from %02x:%02x, but received "
+					"it from %02x:%02x. Dropping.\n",
+					session->exp_message,
+					session->neighbor_addr.data[1],
+					session->neighbor_addr.data[0],
+					src->data[1], src->data[0]);
+				goto error;
+			}
+		} else {
+			dev_err(dev, "Association already in progress. "
+				"Dropping.\n");
+			goto error;
+		}
+	} else {
+		wlp_direct_assoc_frame(wlp, skb, src);
+	}
+	d_fnend(5, dev, "wlp %p\n", wlp);
+	return;
+error:
+	kfree_skb(skb);
+	d_fnend(5, dev, "wlp %p\n", wlp);
+}
+
+/**
+ * Verify incoming frame is from connected neighbor, prep to pass to WLP client
+ *
+ * Verification proceeds according to WLP 0.99 [7.3.1]. The source address
+ * is used to determine which neighbor is sending the frame and the WSS tag
+ * is used to know to which WSS the frame belongs (we only support one WSS
+ * so this test is straight forward).
+ * With the WSS found we need to ensure that we are connected before
+ * allowing the exchange of data frames.
+ */
+static
+int wlp_verify_prep_rx_frame(struct wlp *wlp, struct sk_buff *skb,
+			     struct uwb_dev_addr *src)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = -EINVAL;
+	struct wlp_eda_node eda_entry;
+	struct wlp_frame_std_abbrv_hdr *hdr = (void *) skb->data;
+
+	d_fnstart(6, dev, "wlp %p, skb %p \n", wlp, skb);
+	/*verify*/
+	result = wlp_copy_eda_node(&wlp->eda, src, &eda_entry);
+	if (result < 0) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Incoming frame is from unknown "
+				"neighbor %02x:%02x.\n", src->data[1],
+				src->data[0]);
+		goto out;
+	}
+	if (hdr->tag != eda_entry.tag) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Tag of incoming frame from "
+				"%02x:%02x does not match expected tag. "
+				"Received 0x%02x, expected 0x%02x. \n",
+				src->data[1], src->data[0], hdr->tag,
+				eda_entry.tag);
+		result = -EINVAL;
+		goto out;
+	}
+	if (eda_entry.state != WLP_WSS_CONNECTED) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Incoming frame from "
+				"%02x:%02x does is not from connected WSS.\n",
+				src->data[1], src->data[0]);
+		result = -EINVAL;
+		goto out;
+	}
+	/*prep*/
+	skb_pull(skb, sizeof(*hdr));
+out:
+	d_fnend(6, dev, "wlp %p, skb %p, result = %d \n", wlp, skb, result);
+	return result;
+}
+
+/**
+ * Receive a WLP frame from device
+ *
+ * @returns: 1 if calling function should free the skb
+ *           0 if it successfully handled skb and freed it
+ *           0 if error occured, will free skb in this case
+ */
+int wlp_receive_frame(struct device *dev, struct wlp *wlp, struct sk_buff *skb,
+		      struct uwb_dev_addr *src)
+{
+	unsigned len = skb->len;
+	void *ptr = skb->data;
+	struct wlp_frame_hdr *hdr;
+	int result = 0;
+
+	d_fnstart(6, dev, "skb (%p), len (%u)\n", skb, len);
+	if (len < sizeof(*hdr)) {
+		dev_err(dev, "Not enough data to parse WLP header.\n");
+		result = -EINVAL;
+		goto out;
+	}
+	hdr = ptr;
+	d_dump(6, dev, hdr, sizeof(*hdr));
+	if (le16_to_cpu(hdr->mux_hdr) != WLP_PROTOCOL_ID) {
+		dev_err(dev, "Not a WLP frame type.\n");
+		result = -EINVAL;
+		goto out;
+	}
+	switch (hdr->type) {
+	case WLP_FRAME_STANDARD:
+		if (len < sizeof(struct wlp_frame_std_abbrv_hdr)) {
+			dev_err(dev, "Not enough data to parse Standard "
+				"WLP header.\n");
+			goto out;
+		}
+		result = wlp_verify_prep_rx_frame(wlp, skb, src);
+		if (result < 0) {
+			if (printk_ratelimit())
+				dev_err(dev, "WLP: Verification of frame "
+					"from neighbor %02x:%02x failed.\n",
+					src->data[1], src->data[0]);
+			goto out;
+		}
+		result = 1;
+		break;
+	case WLP_FRAME_ABBREVIATED:
+		dev_err(dev, "Abbreviated frame received. FIXME?\n");
+		kfree_skb(skb);
+		break;
+	case WLP_FRAME_CONTROL:
+		dev_err(dev, "Control frame received. FIXME?\n");
+		kfree_skb(skb);
+		break;
+	case WLP_FRAME_ASSOCIATION:
+		if (len < sizeof(struct wlp_frame_assoc)) {
+			dev_err(dev, "Not enough data to parse Association "
+				"WLP header.\n");
+			goto out;
+		}
+		d_printf(5, dev, "Association frame received.\n");
+		wlp_receive_assoc_frame(wlp, skb, src);
+		break;
+	default:
+		dev_err(dev, "Invalid frame received.\n");
+		result = -EINVAL;
+		break;
+	}
+out:
+	if (result < 0) {
+		kfree_skb(skb);
+		result = 0;
+	}
+	d_fnend(6, dev, "skb (%p)\n", skb);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_receive_frame);
+
+
+/**
+ * Verify frame from network stack, prepare for further transmission
+ *
+ * @skb:   the socket buffer that needs to be prepared for transmission (it
+ *         is in need of a WLP header). If this is a broadcast frame we take
+ *         over the entire transmission.
+ *         If it is a unicast the WSS connection should already be established
+ *         and transmission will be done by the calling function.
+ * @dst:   On return this will contain the device address to which the
+ *         frame is destined.
+ * @returns: 0 on success no tx : WLP header sucessfully applied to skb buffer,
+ *                                calling function can proceed with tx
+ *           1 on success with tx : WLP will take over transmission of this
+ *                                  frame
+ *           <0 on error
+ *
+ * The network stack (WLP client) is attempting to transmit a frame. We can
+ * only transmit data if a local WSS is at least active (connection will be
+ * done here if this is a broadcast frame and neighbor also has the WSS
+ * active).
+ *
+ * The frame can be either broadcast or unicast. Broadcast in a WSS is
+ * supported via multicast, but we don't support multicast yet (until
+ * devices start to support MAB IEs). If a broadcast frame needs to be
+ * transmitted it is treated as a unicast frame to each neighbor. In this
+ * case the WLP takes over transmission of the skb and returns 1
+ * to the caller to indicate so. Also, in this case, if a neighbor has the
+ * same WSS activated but is not connected then the WSS connection will be
+ * done at this time. The neighbor's virtual address will be learned at
+ * this time.
+ *
+ * The destination address in a unicast frame is the virtual address of the
+ * neighbor. This address only becomes known when a WSS connection is
+ * established. We thus rely on a broadcast frame to trigger the setup of
+ * WSS connections to all neighbors before we are able to send unicast
+ * frames to them. This seems reasonable as IP would usually use ARP first
+ * before any unicast frames are sent.
+ *
+ * If we are already connected to the neighbor (neighbor's virtual address
+ * is known) we just prepare the WLP header and the caller will continue to
+ * send the frame.
+ *
+ * A failure in this function usually indicates something that cannot be
+ * fixed automatically. So, if this function fails (@return < 0) the calling
+ * function should not retry to send the frame as it will very likely keep
+ * failing.
+ *
+ */
+int wlp_prepare_tx_frame(struct device *dev, struct wlp *wlp,
+			 struct sk_buff *skb, struct uwb_dev_addr *dst)
+{
+	int result = -EINVAL;
+	struct ethhdr *eth_hdr = (void *) skb->data;
+
+	d_fnstart(6, dev, "wlp (%p), skb (%p) \n", wlp, skb);
+	if (is_broadcast_ether_addr(eth_hdr->h_dest)) {
+		d_printf(6, dev, "WLP: handling broadcast frame. \n");
+		result = wlp_eda_for_each(&wlp->eda, wlp_wss_send_copy, skb);
+		if (result < 0) {
+			if (printk_ratelimit())
+				dev_err(dev, "Unable to handle broadcast "
+					"frame from WLP client.\n");
+			goto out;
+		}
+		dev_kfree_skb_irq(skb);
+		result = 1;
+		/* Frame will be transmitted by WLP. */
+	} else {
+		d_printf(6, dev, "WLP: handling unicast frame. \n");
+		result = wlp_eda_for_virtual(&wlp->eda, eth_hdr->h_dest, dst,
+					     wlp_wss_prep_hdr, skb);
+		if (unlikely(result < 0)) {
+			if (printk_ratelimit())
+				dev_err(dev, "Unable to prepare "
+					"skb for transmission. \n");
+			goto out;
+		}
+	}
+out:
+	d_fnend(6, dev, "wlp (%p), skb (%p). result = %d \n", wlp, skb, result);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_prepare_tx_frame);
diff --git a/drivers/uwb/wlp/wlp-internal.h b/drivers/uwb/wlp/wlp-internal.h
new file mode 100644
index 00000000000..1c94fabfb1a
--- /dev/null
+++ b/drivers/uwb/wlp/wlp-internal.h
@@ -0,0 +1,228 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ * Internal API
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ */
+
+#ifndef __WLP_INTERNAL_H__
+#define __WLP_INTERNAL_H__
+
+/**
+ * State of WSS connection
+ *
+ * A device needs to connect to a neighbor in an activated WSS before data
+ * can be transmitted. The spec also distinguishes between a new connection
+ * attempt and a connection attempt after previous connection attempts. The
+ * state WLP_WSS_CONNECT_FAILED is used for this scenario. See WLP 0.99
+ * [7.2.6]
+ */
+enum wlp_wss_connect {
+	WLP_WSS_UNCONNECTED = 0,
+	WLP_WSS_CONNECTED,
+	WLP_WSS_CONNECT_FAILED,
+};
+
+extern struct kobj_type wss_ktype;
+extern struct attribute_group wss_attr_group;
+
+extern int uwb_rc_ie_add(struct uwb_rc *, const struct uwb_ie_hdr *, size_t);
+extern int uwb_rc_ie_rm(struct uwb_rc *, enum uwb_ie);
+
+
+/* This should be changed to a dynamic array where entries are sorted
+ * by eth_addr and search is done in a binary form
+ *
+ * Although thinking twice about it: this technologie's maximum reach
+ * is 10 meters...unless you want to pack too much stuff in around
+ * your radio controller/WLP device, the list will probably not be
+ * too big.
+ *
+ * In any case, there is probably some data structure in the kernel
+ * than we could reused for that already.
+ *
+ * The below structure is really just good while we support one WSS per
+ * host.
+ */
+struct wlp_eda_node {
+	struct list_head list_node;
+	unsigned char eth_addr[ETH_ALEN];
+	struct uwb_dev_addr dev_addr;
+	struct wlp_wss *wss;
+	unsigned char virt_addr[ETH_ALEN];
+	u8 tag;
+	enum wlp_wss_connect state;
+};
+
+typedef int (*wlp_eda_for_each_f)(struct wlp *, struct wlp_eda_node *, void *);
+
+extern void wlp_eda_init(struct wlp_eda *);
+extern void wlp_eda_release(struct wlp_eda *);
+extern int wlp_eda_create_node(struct wlp_eda *,
+			       const unsigned char eth_addr[ETH_ALEN],
+			       const struct uwb_dev_addr *);
+extern void wlp_eda_rm_node(struct wlp_eda *, const struct uwb_dev_addr *);
+extern int wlp_eda_update_node(struct wlp_eda *,
+			       const struct uwb_dev_addr *,
+			       struct wlp_wss *,
+			       const unsigned char virt_addr[ETH_ALEN],
+			       const u8, const enum wlp_wss_connect);
+extern int wlp_eda_update_node_state(struct wlp_eda *,
+				     const struct uwb_dev_addr *,
+				     const enum wlp_wss_connect);
+
+extern int wlp_copy_eda_node(struct wlp_eda *, struct uwb_dev_addr *,
+			     struct wlp_eda_node *);
+extern int wlp_eda_for_each(struct wlp_eda *, wlp_eda_for_each_f , void *);
+extern int wlp_eda_for_virtual(struct wlp_eda *,
+			       const unsigned char eth_addr[ETH_ALEN],
+			       struct uwb_dev_addr *,
+			       wlp_eda_for_each_f , void *);
+
+
+extern void wlp_remove_neighbor_tmp_info(struct wlp_neighbor_e *);
+
+extern size_t wlp_wss_key_print(char *, size_t, u8 *);
+
+/* Function called when no more references to WSS exists */
+extern void wlp_wss_release(struct kobject *);
+
+extern void wlp_wss_reset(struct wlp_wss *);
+extern int wlp_wss_create_activate(struct wlp_wss *, struct wlp_uuid *,
+				   char *, unsigned, unsigned);
+extern int wlp_wss_enroll_activate(struct wlp_wss *, struct wlp_uuid *,
+				   struct uwb_dev_addr *);
+extern ssize_t wlp_discover(struct wlp *);
+
+extern int wlp_enroll_neighbor(struct wlp *, struct wlp_neighbor_e *,
+			       struct wlp_wss *, struct wlp_uuid *);
+extern int wlp_wss_is_active(struct wlp *, struct wlp_wss *,
+			     struct uwb_dev_addr *);
+
+struct wlp_assoc_conn_ctx {
+	struct work_struct ws;
+	struct wlp *wlp;
+	struct sk_buff *skb;
+	struct wlp_eda_node eda_entry;
+};
+
+
+extern int wlp_wss_connect_prep(struct wlp *, struct wlp_eda_node *, void *);
+extern int wlp_wss_send_copy(struct wlp *, struct wlp_eda_node *, void *);
+
+
+/* Message handling */
+struct wlp_assoc_frame_ctx {
+	struct work_struct ws;
+	struct wlp *wlp;
+	struct sk_buff *skb;
+	struct uwb_dev_addr src;
+};
+
+extern int wlp_wss_prep_hdr(struct wlp *, struct wlp_eda_node *, void *);
+extern void wlp_handle_d1_frame(struct work_struct *);
+extern int wlp_parse_d2_frame_to_cache(struct wlp *, struct sk_buff *,
+				       struct wlp_neighbor_e *);
+extern int wlp_parse_d2_frame_to_enroll(struct wlp_wss *, struct sk_buff *,
+					struct wlp_neighbor_e *,
+					struct wlp_uuid *);
+extern void wlp_handle_c1_frame(struct work_struct *);
+extern void wlp_handle_c3_frame(struct work_struct *);
+extern int wlp_parse_c3c4_frame(struct wlp *, struct sk_buff *,
+				struct wlp_uuid *, u8 *,
+				struct uwb_mac_addr *);
+extern int wlp_parse_f0(struct wlp *, struct sk_buff *);
+extern int wlp_send_assoc_frame(struct wlp *, struct wlp_wss *,
+				struct uwb_dev_addr *, enum wlp_assoc_type);
+extern ssize_t wlp_get_version(struct wlp *, struct wlp_attr_version *,
+			       u8 *, ssize_t);
+extern ssize_t wlp_get_wssid(struct wlp *, struct wlp_attr_wssid *,
+			     struct wlp_uuid *, ssize_t);
+extern int __wlp_alloc_device_info(struct wlp *);
+extern int __wlp_setup_device_info(struct wlp *);
+
+extern struct wlp_wss_attribute wss_attribute_properties;
+extern struct wlp_wss_attribute wss_attribute_members;
+extern struct wlp_wss_attribute wss_attribute_state;
+
+static inline
+size_t wlp_wss_uuid_print(char *buf, size_t bufsize, struct wlp_uuid *uuid)
+{
+	size_t result;
+
+	result = scnprintf(buf, bufsize,
+			  "%02x:%02x:%02x:%02x:%02x:%02x:"
+			  "%02x:%02x:%02x:%02x:%02x:%02x:"
+			  "%02x:%02x:%02x:%02x",
+			  uuid->data[0], uuid->data[1],
+			  uuid->data[2], uuid->data[3],
+			  uuid->data[4], uuid->data[5],
+			  uuid->data[6], uuid->data[7],
+			  uuid->data[8], uuid->data[9],
+			  uuid->data[10], uuid->data[11],
+			  uuid->data[12], uuid->data[13],
+			  uuid->data[14], uuid->data[15]);
+	return result;
+}
+
+/**
+ * FIXME: How should a nonce be displayed?
+ */
+static inline
+size_t wlp_wss_nonce_print(char *buf, size_t bufsize, struct wlp_nonce *nonce)
+{
+	size_t result;
+
+	result = scnprintf(buf, bufsize,
+			  "%02x %02x %02x %02x %02x %02x "
+			  "%02x %02x %02x %02x %02x %02x "
+			  "%02x %02x %02x %02x",
+			  nonce->data[0], nonce->data[1],
+			  nonce->data[2], nonce->data[3],
+			  nonce->data[4], nonce->data[5],
+			  nonce->data[6], nonce->data[7],
+			  nonce->data[8], nonce->data[9],
+			  nonce->data[10], nonce->data[11],
+			  nonce->data[12], nonce->data[13],
+			  nonce->data[14], nonce->data[15]);
+	return result;
+}
+
+
+static inline
+void wlp_session_cb(struct wlp *wlp)
+{
+	struct completion *completion = wlp->session->cb_priv;
+	complete(completion);
+}
+
+static inline
+int wlp_uuid_is_set(struct wlp_uuid *uuid)
+{
+	struct wlp_uuid zero_uuid = { .data = { 0x00, 0x00, 0x00, 0x00,
+						0x00, 0x00, 0x00, 0x00,
+						0x00, 0x00, 0x00, 0x00,
+						0x00, 0x00, 0x00, 0x00} };
+
+	if (!memcmp(uuid, &zero_uuid, sizeof(*uuid)))
+		return 0;
+	return 1;
+}
+
+#endif /* __WLP_INTERNAL_H__ */
diff --git a/drivers/uwb/wlp/wlp-lc.c b/drivers/uwb/wlp/wlp-lc.c
new file mode 100644
index 00000000000..0799402e73f
--- /dev/null
+++ b/drivers/uwb/wlp/wlp-lc.c
@@ -0,0 +1,585 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include <linux/wlp.h>
+#define D_LOCAL 6
+#include <linux/uwb/debug.h>
+#include "wlp-internal.h"
+
+
+static
+void wlp_neighbor_init(struct wlp_neighbor_e *neighbor)
+{
+	INIT_LIST_HEAD(&neighbor->wssid);
+}
+
+/**
+ * Create area for device information storage
+ *
+ * wlp->mutex must be held
+ */
+int __wlp_alloc_device_info(struct wlp *wlp)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	BUG_ON(wlp->dev_info != NULL);
+	wlp->dev_info = kzalloc(sizeof(struct wlp_device_info), GFP_KERNEL);
+	if (wlp->dev_info == NULL) {
+		dev_err(dev, "WLP: Unable to allocate memory for "
+			"device information.\n");
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+
+/**
+ * Fill in device information using function provided by driver
+ *
+ * wlp->mutex must be held
+ */
+static
+void __wlp_fill_device_info(struct wlp *wlp)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+
+	BUG_ON(wlp->fill_device_info == NULL);
+	d_printf(6, dev, "Retrieving device information "
+			 "from device driver.\n");
+	wlp->fill_device_info(wlp, wlp->dev_info);
+}
+
+/**
+ * Setup device information
+ *
+ * Allocate area for device information and populate it.
+ *
+ * wlp->mutex must be held
+ */
+int __wlp_setup_device_info(struct wlp *wlp)
+{
+	int result;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+
+	result = __wlp_alloc_device_info(wlp);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to allocate area for "
+			"device information.\n");
+		return result;
+	}
+	__wlp_fill_device_info(wlp);
+	return 0;
+}
+
+/**
+ * Remove information about neighbor stored temporarily
+ *
+ * Information learned during discovey should only be stored when the
+ * device enrolls in the neighbor's WSS. We do need to store this
+ * information temporarily in order to present it to the user.
+ *
+ * We are only interested in keeping neighbor WSS information if that
+ * neighbor is accepting enrollment.
+ *
+ * should be called with wlp->nbmutex held
+ */
+void wlp_remove_neighbor_tmp_info(struct wlp_neighbor_e *neighbor)
+{
+	struct wlp_wssid_e *wssid_e, *next;
+	u8 keep;
+	if (!list_empty(&neighbor->wssid)) {
+		list_for_each_entry_safe(wssid_e, next, &neighbor->wssid,
+					 node) {
+			if (wssid_e->info != NULL) {
+				keep = wssid_e->info->accept_enroll;
+				kfree(wssid_e->info);
+				wssid_e->info = NULL;
+				if (!keep) {
+					list_del(&wssid_e->node);
+					kfree(wssid_e);
+				}
+			}
+		}
+	}
+	if (neighbor->info != NULL) {
+		kfree(neighbor->info);
+		neighbor->info = NULL;
+	}
+}
+
+/**
+ * Populate WLP neighborhood cache with neighbor information
+ *
+ * A new neighbor is found. If it is discoverable then we add it to the
+ * neighborhood cache.
+ *
+ */
+static
+int wlp_add_neighbor(struct wlp *wlp, struct uwb_dev *dev)
+{
+	int result = 0;
+	int discoverable;
+	struct wlp_neighbor_e *neighbor;
+
+	d_fnstart(6, &dev->dev, "uwb %p \n", dev);
+	d_printf(6, &dev->dev, "Found neighbor device %02x:%02x \n",
+		 dev->dev_addr.data[1], dev->dev_addr.data[0]);
+	/**
+	 * FIXME:
+	 * Use contents of WLP IE found in beacon cache to determine if
+	 * neighbor is discoverable.
+	 * The device does not support WLP IE yet so this still needs to be
+	 * done. Until then we assume all devices are discoverable.
+	 */
+	discoverable = 1; /* will be changed when FIXME disappears */
+	if (discoverable) {
+		/* Add neighbor to cache for discovery */
+		neighbor = kzalloc(sizeof(*neighbor), GFP_KERNEL);
+		if (neighbor == NULL) {
+			dev_err(&dev->dev, "Unable to create memory for "
+				"new neighbor. \n");
+			result = -ENOMEM;
+			goto error_no_mem;
+		}
+		wlp_neighbor_init(neighbor);
+		uwb_dev_get(dev);
+		neighbor->uwb_dev = dev;
+		list_add(&neighbor->node, &wlp->neighbors);
+	}
+error_no_mem:
+	d_fnend(6, &dev->dev, "uwb %p, result = %d \n", dev, result);
+	return result;
+}
+
+/**
+ * Remove one neighbor from cache
+ */
+static
+void __wlp_neighbor_release(struct wlp_neighbor_e *neighbor)
+{
+	struct wlp_wssid_e *wssid_e, *next_wssid_e;
+
+	list_for_each_entry_safe(wssid_e, next_wssid_e,
+				 &neighbor->wssid, node) {
+		list_del(&wssid_e->node);
+		kfree(wssid_e);
+	}
+	uwb_dev_put(neighbor->uwb_dev);
+	list_del(&neighbor->node);
+	kfree(neighbor);
+}
+
+/**
+ * Clear entire neighborhood cache.
+ */
+static
+void __wlp_neighbors_release(struct wlp *wlp)
+{
+	struct wlp_neighbor_e *neighbor, *next;
+	if (list_empty(&wlp->neighbors))
+		return;
+	list_for_each_entry_safe(neighbor, next, &wlp->neighbors, node) {
+		__wlp_neighbor_release(neighbor);
+	}
+}
+
+static
+void wlp_neighbors_release(struct wlp *wlp)
+{
+	mutex_lock(&wlp->nbmutex);
+	__wlp_neighbors_release(wlp);
+	mutex_unlock(&wlp->nbmutex);
+}
+
+
+
+/**
+ * Send D1 message to neighbor, receive D2 message
+ *
+ * @neighbor: neighbor to which D1 message will be sent
+ * @wss:      if not NULL, it is an enrollment request for this WSS
+ * @wssid:    if wss not NULL, this is the wssid of the WSS in which we
+ *            want to enroll
+ *
+ * A D1/D2 exchange is done for one of two reasons: discovery or
+ * enrollment. If done for discovery the D1 message is sent to the neighbor
+ * and the contents of the D2 response is stored in a temporary cache.
+ * If done for enrollment the @wss and @wssid are provided also. In this
+ * case the D1 message is sent to the neighbor, the D2 response is parsed
+ * for enrollment of the WSS with wssid.
+ *
+ * &wss->mutex is held
+ */
+static
+int wlp_d1d2_exchange(struct wlp *wlp, struct wlp_neighbor_e *neighbor,
+		      struct wlp_wss *wss, struct wlp_uuid *wssid)
+{
+	int result;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	DECLARE_COMPLETION_ONSTACK(completion);
+	struct wlp_session session;
+	struct sk_buff  *skb;
+	struct wlp_frame_assoc *resp;
+	struct uwb_dev_addr *dev_addr = &neighbor->uwb_dev->dev_addr;
+
+	mutex_lock(&wlp->mutex);
+	if (!wlp_uuid_is_set(&wlp->uuid)) {
+		dev_err(dev, "WLP: UUID is not set. Set via sysfs to "
+			"proceed.\n");
+		result = -ENXIO;
+		goto out;
+	}
+	/* Send D1 association frame */
+	result = wlp_send_assoc_frame(wlp, wss, dev_addr, WLP_ASSOC_D1);
+	if (result < 0) {
+		dev_err(dev, "Unable to send D1 frame to neighbor "
+			"%02x:%02x (%d)\n", dev_addr->data[1],
+			dev_addr->data[0], result);
+		d_printf(6, dev, "Add placeholders into buffer next to "
+			 "neighbor information we have (dev address).\n");
+		goto out;
+	}
+	/* Create session, wait for response */
+	session.exp_message = WLP_ASSOC_D2;
+	session.cb = wlp_session_cb;
+	session.cb_priv = &completion;
+	session.neighbor_addr = *dev_addr;
+	BUG_ON(wlp->session != NULL);
+	wlp->session = &session;
+	/* Wait for D2/F0 frame */
+	result = wait_for_completion_interruptible_timeout(&completion,
+						   WLP_PER_MSG_TIMEOUT * HZ);
+	if (result == 0) {
+		result = -ETIMEDOUT;
+		dev_err(dev, "Timeout while sending D1 to neighbor "
+			     "%02x:%02x.\n", dev_addr->data[1],
+			     dev_addr->data[0]);
+		goto error_session;
+	}
+	if (result < 0) {
+		dev_err(dev, "Unable to discover/enroll neighbor %02x:%02x.\n",
+			dev_addr->data[1], dev_addr->data[0]);
+		goto error_session;
+	}
+	/* Parse message in session->data: it will be either D2 or F0 */
+	skb = session.data;
+	resp = (void *) skb->data;
+	d_printf(6, dev, "Received response to D1 frame. \n");
+	d_dump(6, dev, skb->data, skb->len > 72 ? 72 : skb->len);
+
+	if (resp->type == WLP_ASSOC_F0) {
+		result = wlp_parse_f0(wlp, skb);
+		if (result < 0)
+			dev_err(dev, "WLP: Unable to parse F0 from neighbor "
+				"%02x:%02x.\n", dev_addr->data[1],
+				dev_addr->data[0]);
+		result = -EINVAL;
+		goto error_resp_parse;
+	}
+	if (wss == NULL) {
+		/* Discovery */
+		result = wlp_parse_d2_frame_to_cache(wlp, skb, neighbor);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to parse D2 message from "
+				"neighbor %02x:%02x for discovery.\n",
+				dev_addr->data[1], dev_addr->data[0]);
+			goto error_resp_parse;
+		}
+	} else {
+		/* Enrollment */
+		result = wlp_parse_d2_frame_to_enroll(wss, skb, neighbor,
+						      wssid);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to parse D2 message from "
+				"neighbor %02x:%02x for enrollment.\n",
+				dev_addr->data[1], dev_addr->data[0]);
+			goto error_resp_parse;
+		}
+	}
+error_resp_parse:
+	kfree_skb(skb);
+error_session:
+	wlp->session = NULL;
+out:
+	mutex_unlock(&wlp->mutex);
+	return result;
+}
+
+/**
+ * Enroll into WSS of provided WSSID by using neighbor as registrar
+ *
+ * &wss->mutex is held
+ */
+int wlp_enroll_neighbor(struct wlp *wlp, struct wlp_neighbor_e *neighbor,
+			struct wlp_wss *wss, struct wlp_uuid *wssid)
+{
+	int result = 0;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	struct uwb_dev_addr *dev_addr = &neighbor->uwb_dev->dev_addr;
+	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+	d_fnstart(6, dev, "wlp %p, neighbor %p, wss %p, wssid %p (%s)\n",
+		  wlp, neighbor, wss, wssid, buf);
+	d_printf(6, dev, "Complete me.\n");
+	result =  wlp_d1d2_exchange(wlp, neighbor, wss, wssid);
+	if (result < 0) {
+		dev_err(dev, "WLP: D1/D2 message exchange for enrollment "
+			"failed. result = %d \n", result);
+		goto out;
+	}
+	if (wss->state != WLP_WSS_STATE_PART_ENROLLED) {
+		dev_err(dev, "WLP: Unable to enroll into WSS %s using "
+			"neighbor %02x:%02x. \n", buf,
+			dev_addr->data[1], dev_addr->data[0]);
+		result = -EINVAL;
+		goto out;
+	}
+	if (wss->secure_status == WLP_WSS_SECURE) {
+		dev_err(dev, "FIXME: need to complete secure enrollment.\n");
+		result = -EINVAL;
+		goto error;
+	} else {
+		wss->state = WLP_WSS_STATE_ENROLLED;
+		d_printf(2, dev, "WLP: Success Enrollment into unsecure WSS "
+			 "%s using neighbor %02x:%02x. \n", buf,
+			 dev_addr->data[1], dev_addr->data[0]);
+	}
+
+	d_fnend(6, dev, "wlp %p, neighbor %p, wss %p, wssid %p (%s)\n",
+		  wlp, neighbor, wss, wssid, buf);
+out:
+	return result;
+error:
+	wlp_wss_reset(wss);
+	return result;
+}
+
+/**
+ * Discover WSS information of neighbor's active WSS
+ */
+static
+int wlp_discover_neighbor(struct wlp *wlp,
+			  struct wlp_neighbor_e *neighbor)
+{
+	return wlp_d1d2_exchange(wlp, neighbor, NULL, NULL);
+}
+
+
+/**
+ * Each neighbor in the neighborhood cache is discoverable. Discover it.
+ *
+ * Discovery is done through sending of D1 association frame and parsing
+ * the D2 association frame response. Only wssid from D2 will be included
+ * in neighbor cache, rest is just displayed to user and forgotten.
+ *
+ * The discovery is not done in parallel. This is simple and enables us to
+ * maintain only one association context.
+ *
+ * The discovery of one neighbor does not affect the other, but if the
+ * discovery of a neighbor fails it is removed from the neighborhood cache.
+ */
+static
+int wlp_discover_all_neighbors(struct wlp *wlp)
+{
+	int result = 0;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_neighbor_e *neighbor, *next;
+
+	list_for_each_entry_safe(neighbor, next, &wlp->neighbors, node) {
+		result = wlp_discover_neighbor(wlp, neighbor);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to discover neighbor "
+				"%02x:%02x, removing from neighborhood. \n",
+				neighbor->uwb_dev->dev_addr.data[1],
+				neighbor->uwb_dev->dev_addr.data[0]);
+			__wlp_neighbor_release(neighbor);
+		}
+	}
+	return result;
+}
+
+static int wlp_add_neighbor_helper(struct device *dev, void *priv)
+{
+	struct wlp *wlp = priv;
+	struct uwb_dev *uwb_dev = to_uwb_dev(dev);
+
+	return wlp_add_neighbor(wlp, uwb_dev);
+}
+
+/**
+ * Discover WLP neighborhood
+ *
+ * Will send D1 association frame to all devices in beacon group that have
+ * discoverable bit set in WLP IE. D2 frames will be received, information
+ * displayed to user in @buf. Partial information (from D2 association
+ * frame) will be cached to assist with future association
+ * requests.
+ *
+ * The discovery of the WLP neighborhood is triggered by the user. This
+ * should occur infrequently and we thus free current cache and re-allocate
+ * memory if needed.
+ *
+ * If one neighbor fails during initial discovery (determining if it is a
+ * neighbor or not), we fail all - note that interaction with neighbor has
+ * not occured at this point so if a failure occurs we know something went wrong
+ * locally. We thus undo everything.
+ */
+ssize_t wlp_discover(struct wlp *wlp)
+{
+	int result = 0;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+
+	d_fnstart(6, dev, "wlp %p \n", wlp);
+	mutex_lock(&wlp->nbmutex);
+	/* Clear current neighborhood cache. */
+	__wlp_neighbors_release(wlp);
+	/* Determine which devices in neighborhood. Repopulate cache. */
+	result = uwb_dev_for_each(wlp->rc, wlp_add_neighbor_helper, wlp);
+	if (result < 0) {
+		/* May have partial neighbor information, release all. */
+		__wlp_neighbors_release(wlp);
+		goto error_dev_for_each;
+	}
+	/* Discover the properties of devices in neighborhood. */
+	result = wlp_discover_all_neighbors(wlp);
+	/* In case of failure we still print our partial results. */
+	if (result < 0) {
+		dev_err(dev, "Unable to fully discover neighborhood. \n");
+		result = 0;
+	}
+error_dev_for_each:
+	mutex_unlock(&wlp->nbmutex);
+	d_fnend(6, dev, "wlp %p \n", wlp);
+	return result;
+}
+
+/**
+ * Handle events from UWB stack
+ *
+ * We handle events conservatively. If a neighbor goes off the air we
+ * remove it from the neighborhood. If an association process is in
+ * progress this function will block waiting for the nbmutex to become
+ * free. The association process will thus be allowed to complete before it
+ * is removed.
+ */
+static
+void wlp_uwb_notifs_cb(void *_wlp, struct uwb_dev *uwb_dev,
+		       enum uwb_notifs event)
+{
+	struct wlp *wlp = _wlp;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_neighbor_e *neighbor, *next;
+	int result;
+	switch (event) {
+	case UWB_NOTIF_ONAIR:
+		d_printf(6, dev, "UWB device %02x:%02x is onair\n",
+				uwb_dev->dev_addr.data[1],
+				uwb_dev->dev_addr.data[0]);
+		result = wlp_eda_create_node(&wlp->eda,
+					     uwb_dev->mac_addr.data,
+					     &uwb_dev->dev_addr);
+		if (result < 0)
+			dev_err(dev, "WLP: Unable to add new neighbor "
+				"%02x:%02x to EDA cache.\n",
+				uwb_dev->dev_addr.data[1],
+				uwb_dev->dev_addr.data[0]);
+		break;
+	case UWB_NOTIF_OFFAIR:
+		d_printf(6, dev, "UWB device %02x:%02x is offair\n",
+				uwb_dev->dev_addr.data[1],
+				uwb_dev->dev_addr.data[0]);
+		wlp_eda_rm_node(&wlp->eda, &uwb_dev->dev_addr);
+		mutex_lock(&wlp->nbmutex);
+		list_for_each_entry_safe(neighbor, next, &wlp->neighbors,
+					 node) {
+			if (neighbor->uwb_dev == uwb_dev) {
+				d_printf(6, dev, "Removing device from "
+					 "neighborhood.\n");
+				__wlp_neighbor_release(neighbor);
+			}
+		}
+		mutex_unlock(&wlp->nbmutex);
+		break;
+	default:
+		dev_err(dev, "don't know how to handle event %d from uwb\n",
+				event);
+	}
+}
+
+int wlp_setup(struct wlp *wlp, struct uwb_rc *rc)
+{
+	struct device *dev = &rc->uwb_dev.dev;
+	int result;
+
+	d_fnstart(6, dev, "wlp %p\n", wlp);
+	BUG_ON(wlp->fill_device_info == NULL);
+	BUG_ON(wlp->xmit_frame == NULL);
+	BUG_ON(wlp->stop_queue == NULL);
+	BUG_ON(wlp->start_queue == NULL);
+	wlp->rc = rc;
+	wlp_eda_init(&wlp->eda);/* Set up address cache */
+	wlp->uwb_notifs_handler.cb = wlp_uwb_notifs_cb;
+	wlp->uwb_notifs_handler.data = wlp;
+	uwb_notifs_register(rc, &wlp->uwb_notifs_handler);
+
+	uwb_pal_init(&wlp->pal);
+	result = uwb_pal_register(rc, &wlp->pal);
+	if (result < 0)
+		uwb_notifs_deregister(wlp->rc, &wlp->uwb_notifs_handler);
+
+	d_fnend(6, dev, "wlp %p, result = %d\n", wlp, result);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_setup);
+
+void wlp_remove(struct wlp *wlp)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	d_fnstart(6, dev, "wlp %p\n", wlp);
+	wlp_neighbors_release(wlp);
+	uwb_pal_unregister(wlp->rc, &wlp->pal);
+	uwb_notifs_deregister(wlp->rc, &wlp->uwb_notifs_handler);
+	wlp_eda_release(&wlp->eda);
+	mutex_lock(&wlp->mutex);
+	if (wlp->dev_info != NULL)
+		kfree(wlp->dev_info);
+	mutex_unlock(&wlp->mutex);
+	wlp->rc = NULL;
+	/* We have to use NULL here because this function can be called
+	 * when the device disappeared. */
+	d_fnend(6, NULL, "wlp %p\n", wlp);
+}
+EXPORT_SYMBOL_GPL(wlp_remove);
+
+/**
+ * wlp_reset_all - reset the WLP hardware
+ * @wlp: the WLP device to reset.
+ *
+ * This schedules a full hardware reset of the WLP device.  The radio
+ * controller and any other PALs will also be reset.
+ */
+void wlp_reset_all(struct wlp *wlp)
+{
+	uwb_rc_reset_all(wlp->rc);
+}
+EXPORT_SYMBOL_GPL(wlp_reset_all);
-- 
GitLab


From e377e9d32d4945fe6a14775b3a4d9ecd1462e36a Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Wed, 17 Sep 2008 16:34:17 +0100
Subject: [PATCH 0167/2224] uwb: add WiMedia LLC Protocol stack (messages)

Add the WLP message formatting/decoding code.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/wlp/messages.c | 1946 ++++++++++++++++++++++++++++++++++++
 1 file changed, 1946 insertions(+)
 create mode 100644 drivers/uwb/wlp/messages.c

diff --git a/drivers/uwb/wlp/messages.c b/drivers/uwb/wlp/messages.c
new file mode 100644
index 00000000000..a64cb824171
--- /dev/null
+++ b/drivers/uwb/wlp/messages.c
@@ -0,0 +1,1946 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ * Message construction and parsing
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include <linux/wlp.h>
+#define D_LOCAL 6
+#include <linux/uwb/debug.h>
+#include "wlp-internal.h"
+
+static
+const char *__wlp_assoc_frame[] = {
+	[WLP_ASSOC_D1] = "WLP_ASSOC_D1",
+	[WLP_ASSOC_D2] = "WLP_ASSOC_D2",
+	[WLP_ASSOC_M1] = "WLP_ASSOC_M1",
+	[WLP_ASSOC_M2] = "WLP_ASSOC_M2",
+	[WLP_ASSOC_M3] = "WLP_ASSOC_M3",
+	[WLP_ASSOC_M4] = "WLP_ASSOC_M4",
+	[WLP_ASSOC_M5] = "WLP_ASSOC_M5",
+	[WLP_ASSOC_M6] = "WLP_ASSOC_M6",
+	[WLP_ASSOC_M7] = "WLP_ASSOC_M7",
+	[WLP_ASSOC_M8] = "WLP_ASSOC_M8",
+	[WLP_ASSOC_F0] = "WLP_ASSOC_F0",
+	[WLP_ASSOC_E1] = "WLP_ASSOC_E1",
+	[WLP_ASSOC_E2] = "WLP_ASSOC_E2",
+	[WLP_ASSOC_C1] = "WLP_ASSOC_C1",
+	[WLP_ASSOC_C2] = "WLP_ASSOC_C2",
+	[WLP_ASSOC_C3] = "WLP_ASSOC_C3",
+	[WLP_ASSOC_C4] = "WLP_ASSOC_C4",
+};
+
+static const char *wlp_assoc_frame_str(unsigned id)
+{
+	if (id >= ARRAY_SIZE(__wlp_assoc_frame))
+		return "unknown association frame";
+	return __wlp_assoc_frame[id];
+}
+
+static const char *__wlp_assc_error[] = {
+	"none",
+	"Authenticator Failure",
+	"Rogue activity suspected",
+	"Device busy",
+	"Setup Locked",
+	"Registrar not ready",
+	"Invalid WSS selection",
+	"Message timeout",
+	"Enrollment session timeout",
+	"Device password invalid",
+	"Unsupported version",
+	"Internal error",
+	"Undefined error",
+	"Numeric comparison failure",
+	"Waiting for user input",
+};
+
+static const char *wlp_assc_error_str(unsigned id)
+{
+	if (id >= ARRAY_SIZE(__wlp_assc_error))
+		return "unknown WLP association error";
+	return __wlp_assc_error[id];
+}
+
+static inline void wlp_set_attr_hdr(struct wlp_attr_hdr *hdr, unsigned type,
+				    size_t len)
+{
+	hdr->type = cpu_to_le16(type);
+	hdr->length = cpu_to_le16(len);
+}
+
+/*
+ * Populate fields of a constant sized attribute
+ *
+ * @returns: total size of attribute including size of new value
+ *
+ * We have two instances of this function (wlp_pset and wlp_set): one takes
+ * the value as a parameter, the other takes a pointer to the value as
+ * parameter. They thus only differ in how the value is assigned to the
+ * attribute.
+ *
+ * We use sizeof(*attr) - sizeof(struct wlp_attr_hdr) instead of
+ * sizeof(type) to be able to use this same code for the structures that
+ * contain 8bit enum values and be able to deal with pointer types.
+ */
+#define wlp_set(type, type_code, name)					\
+static size_t wlp_set_##name(struct wlp_attr_##name *attr, type value)	\
+{									\
+	d_fnstart(6, NULL, "(attribute %p)\n", attr);			\
+	wlp_set_attr_hdr(&attr->hdr, type_code,				\
+			 sizeof(*attr) - sizeof(struct wlp_attr_hdr));	\
+	attr->name = value;						\
+	d_dump(6, NULL, attr, sizeof(*attr));				\
+	d_fnend(6, NULL, "(attribute %p)\n", attr);			\
+	return sizeof(*attr);						\
+}
+
+#define wlp_pset(type, type_code, name)					\
+static size_t wlp_set_##name(struct wlp_attr_##name *attr, type value)	\
+{									\
+	d_fnstart(6, NULL, "(attribute %p)\n", attr);			\
+	wlp_set_attr_hdr(&attr->hdr, type_code,				\
+			 sizeof(*attr) - sizeof(struct wlp_attr_hdr));	\
+	attr->name = *value;						\
+	d_dump(6, NULL, attr, sizeof(*attr));				\
+	d_fnend(6, NULL, "(attribute %p)\n", attr);			\
+	return sizeof(*attr);						\
+}
+
+/**
+ * Populate fields of a variable attribute
+ *
+ * @returns: total size of attribute including size of new value
+ *
+ * Provided with a pointer to the memory area reserved for the
+ * attribute structure, the field is populated with the value. The
+ * reserved memory has to contain enough space for the value.
+ */
+#define wlp_vset(type, type_code, name)					\
+static size_t wlp_set_##name(struct wlp_attr_##name *attr, type value,	\
+				size_t len)				\
+{									\
+	d_fnstart(6, NULL, "(attribute %p)\n", attr);			\
+	wlp_set_attr_hdr(&attr->hdr, type_code, len);			\
+	memcpy(attr->name, value, len);					\
+	d_dump(6, NULL, attr, sizeof(*attr) + len);			\
+	d_fnend(6, NULL, "(attribute %p)\n", attr);			\
+	return sizeof(*attr) + len;					\
+}
+
+wlp_vset(char *, WLP_ATTR_DEV_NAME, dev_name)
+wlp_vset(char *, WLP_ATTR_MANUF, manufacturer)
+wlp_set(enum wlp_assoc_type, WLP_ATTR_MSG_TYPE, msg_type)
+wlp_vset(char *, WLP_ATTR_MODEL_NAME, model_name)
+wlp_vset(char *, WLP_ATTR_MODEL_NR, model_nr)
+wlp_vset(char *, WLP_ATTR_SERIAL, serial)
+wlp_vset(char *, WLP_ATTR_WSS_NAME, wss_name)
+wlp_pset(struct wlp_uuid *, WLP_ATTR_UUID_E, uuid_e)
+wlp_pset(struct wlp_uuid *, WLP_ATTR_UUID_R, uuid_r)
+wlp_pset(struct wlp_uuid *, WLP_ATTR_WSSID, wssid)
+wlp_pset(struct wlp_dev_type *, WLP_ATTR_PRI_DEV_TYPE, prim_dev_type)
+/*wlp_pset(struct wlp_dev_type *, WLP_ATTR_SEC_DEV_TYPE, sec_dev_type)*/
+wlp_set(u8, WLP_ATTR_WLP_VER, version)
+wlp_set(enum wlp_assc_error, WLP_ATTR_WLP_ASSC_ERR, wlp_assc_err)
+wlp_set(enum wlp_wss_sel_mthd, WLP_ATTR_WSS_SEL_MTHD, wss_sel_mthd)
+wlp_set(u8, WLP_ATTR_ACC_ENRL, accept_enrl)
+wlp_set(u8, WLP_ATTR_WSS_SEC_STAT, wss_sec_status)
+wlp_pset(struct uwb_mac_addr *, WLP_ATTR_WSS_BCAST, wss_bcast)
+wlp_pset(struct wlp_nonce *, WLP_ATTR_ENRL_NONCE, enonce)
+wlp_pset(struct wlp_nonce *, WLP_ATTR_REG_NONCE, rnonce)
+wlp_set(u8, WLP_ATTR_WSS_TAG, wss_tag)
+wlp_pset(struct uwb_mac_addr *, WLP_ATTR_WSS_VIRT, wss_virt)
+
+/**
+ * Fill in the WSS information attributes
+ *
+ * We currently only support one WSS, and this is assumed in this function
+ * that can populate only one WSS information attribute.
+ */
+static size_t wlp_set_wss_info(struct wlp_attr_wss_info *attr,
+			       struct wlp_wss *wss)
+{
+	size_t datalen;
+	void *ptr = attr->wss_info;
+	size_t used = sizeof(*attr);
+	d_fnstart(6, NULL, "(attribute %p)\n", attr);
+	datalen = sizeof(struct wlp_wss_info) + strlen(wss->name);
+	wlp_set_attr_hdr(&attr->hdr, WLP_ATTR_WSS_INFO, datalen);
+	used = wlp_set_wssid(ptr, &wss->wssid);
+	used += wlp_set_wss_name(ptr + used, wss->name, strlen(wss->name));
+	used += wlp_set_accept_enrl(ptr + used, wss->accept_enroll);
+	used += wlp_set_wss_sec_status(ptr + used, wss->secure_status);
+	used += wlp_set_wss_bcast(ptr + used, &wss->bcast);
+	d_dump(6, NULL, attr, sizeof(*attr) + datalen);
+	d_fnend(6, NULL, "(attribute %p, used %d)\n",
+		attr, (int)(sizeof(*attr) + used));
+	return sizeof(*attr) + used;
+}
+
+/**
+ * Verify attribute header
+ *
+ * @hdr:     Pointer to attribute header that will be verified.
+ * @type:    Expected attribute type.
+ * @len:     Expected length of attribute value (excluding header).
+ *
+ * Most attribute values have a known length even when they do have a
+ * length field. This knowledge can be used via this function to verify
+ * that the length field matches the expected value.
+ */
+static int wlp_check_attr_hdr(struct wlp *wlp, struct wlp_attr_hdr *hdr,
+		       enum wlp_attr_type type, unsigned len)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+
+	if (le16_to_cpu(hdr->type) != type) {
+		dev_err(dev, "WLP: unexpected header type. Expected "
+			"%u, got %u.\n", type, le16_to_cpu(hdr->type));
+		return -EINVAL;
+	}
+	if (le16_to_cpu(hdr->length) != len) {
+		dev_err(dev, "WLP: unexpected length in header. Expected "
+			"%u, got %u.\n", len, le16_to_cpu(hdr->length));
+		return -EINVAL;
+	}
+	return 0;
+}
+
+/**
+ * Check if header of WSS information attribute valid
+ *
+ * @returns: length of WSS attributes (value of length attribute field) if
+ *             valid WSS information attribute found
+ *           -ENODATA if no WSS information attribute found
+ *           -EIO other error occured
+ *
+ * The WSS information attribute is optional. The function will be provided
+ * with a pointer to data that could _potentially_ be a WSS information
+ * attribute. If a valid WSS information attribute is found it will return
+ * 0, if no WSS information attribute is found it will return -ENODATA, and
+ * another error will be returned if it is a WSS information attribute, but
+ * some parsing failure occured.
+ */
+static int wlp_check_wss_info_attr_hdr(struct wlp *wlp,
+				       struct wlp_attr_hdr *hdr, size_t buflen)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	size_t len;
+	int result = 0;
+
+	if (buflen < sizeof(*hdr)) {
+		dev_err(dev, "WLP: Not enough space in buffer to parse"
+			" WSS information attribute header.\n");
+		result = -EIO;
+		goto out;
+	}
+	if (le16_to_cpu(hdr->type) != WLP_ATTR_WSS_INFO) {
+		/* WSS information is optional */
+		result = -ENODATA;
+		goto out;
+	}
+	len = le16_to_cpu(hdr->length);
+	if (buflen < sizeof(*hdr) + len) {
+		dev_err(dev, "WLP: Not enough space in buffer to parse "
+			"variable data. Got %d, expected %d.\n",
+			(int)buflen, (int)(sizeof(*hdr) + len));
+		result = -EIO;
+		goto out;
+	}
+	result = len;
+out:
+	return result;
+}
+
+
+/**
+ * Get value of attribute from fixed size attribute field.
+ *
+ * @attr:    Pointer to attribute field.
+ * @value:   Pointer to variable in which attribute value will be placed.
+ * @buflen:  Size of buffer in which attribute field (including header)
+ *           can be found.
+ * @returns: Amount of given buffer consumed by parsing for this attribute.
+ *
+ * The size and type of the value is known by the type of the attribute.
+ */
+#define wlp_get(type, type_code, name)					\
+ssize_t wlp_get_##name(struct wlp *wlp, struct wlp_attr_##name *attr,	\
+		      type *value, ssize_t buflen)			\
+{									\
+	struct device *dev = &wlp->rc->uwb_dev.dev;			\
+	if (buflen < 0)							\
+		return -EINVAL;						\
+	if (buflen < sizeof(*attr)) {					\
+		dev_err(dev, "WLP: Not enough space in buffer to parse"	\
+			" attribute field. Need %d, received %zu\n",	\
+			(int)sizeof(*attr), buflen);			\
+		return -EIO;						\
+	}								\
+	if (wlp_check_attr_hdr(wlp, &attr->hdr, type_code,		\
+			       sizeof(attr->name)) < 0) {		\
+		dev_err(dev, "WLP: Header verification failed. \n");	\
+		return -EINVAL;						\
+	}								\
+	*value = attr->name;						\
+	return sizeof(*attr);						\
+}
+
+#define wlp_get_sparse(type, type_code, name) \
+	static wlp_get(type, type_code, name)
+
+/**
+ * Get value of attribute from variable sized attribute field.
+ *
+ * @max:     The maximum size of this attribute. This value is dictated by
+ *           the maximum value from the WLP specification.
+ *
+ * @attr:    Pointer to attribute field.
+ * @value:   Pointer to variable that will contain the value. The memory
+ *           must already have been allocated for this value.
+ * @buflen:  Size of buffer in which attribute field (including header)
+ *           can be found.
+ * @returns: Amount of given bufferconsumed by parsing for this attribute.
+ */
+#define wlp_vget(type_val, type_code, name, max)			\
+static ssize_t wlp_get_##name(struct wlp *wlp,				\
+			      struct wlp_attr_##name *attr,		\
+			      type_val *value, ssize_t buflen)		\
+{									\
+	struct device *dev = &wlp->rc->uwb_dev.dev;			\
+	size_t len;							\
+	if (buflen < 0)							\
+		return -EINVAL;						\
+	if (buflen < sizeof(*attr)) {					\
+		dev_err(dev, "WLP: Not enough space in buffer to parse"	\
+			" header.\n");					\
+		return -EIO;						\
+	}								\
+	if (le16_to_cpu(attr->hdr.type) != type_code) {			\
+		dev_err(dev, "WLP: Unexpected attribute type. Got %u, "	\
+			"expected %u.\n", le16_to_cpu(attr->hdr.type),	\
+			type_code);					\
+		return -EINVAL;						\
+	}								\
+	len = le16_to_cpu(attr->hdr.length);				\
+	if (len > max) {						\
+		dev_err(dev, "WLP: Attribute larger than maximum "	\
+			"allowed. Received %zu, max is %d.\n", len,	\
+			(int)max);					\
+		return -EFBIG;						\
+	}								\
+	if (buflen < sizeof(*attr) + len) {				\
+		dev_err(dev, "WLP: Not enough space in buffer to parse "\
+			"variable data.\n");				\
+		return -EIO;						\
+	}								\
+	memcpy(value, (void *) attr + sizeof(*attr), len);		\
+	return sizeof(*attr) + len;					\
+}
+
+wlp_get(u8, WLP_ATTR_WLP_VER, version)
+wlp_get_sparse(enum wlp_wss_sel_mthd, WLP_ATTR_WSS_SEL_MTHD, wss_sel_mthd)
+wlp_get_sparse(struct wlp_dev_type, WLP_ATTR_PRI_DEV_TYPE, prim_dev_type)
+wlp_get_sparse(enum wlp_assc_error, WLP_ATTR_WLP_ASSC_ERR, wlp_assc_err)
+wlp_get_sparse(struct wlp_uuid, WLP_ATTR_UUID_E, uuid_e)
+wlp_get_sparse(struct wlp_uuid, WLP_ATTR_UUID_R, uuid_r)
+wlp_get(struct wlp_uuid, WLP_ATTR_WSSID, wssid)
+wlp_get_sparse(u8, WLP_ATTR_ACC_ENRL, accept_enrl)
+wlp_get_sparse(u8, WLP_ATTR_WSS_SEC_STAT, wss_sec_status)
+wlp_get_sparse(struct uwb_mac_addr, WLP_ATTR_WSS_BCAST, wss_bcast)
+wlp_get_sparse(u8, WLP_ATTR_WSS_TAG, wss_tag)
+wlp_get_sparse(struct uwb_mac_addr, WLP_ATTR_WSS_VIRT, wss_virt)
+wlp_get_sparse(struct wlp_nonce, WLP_ATTR_ENRL_NONCE, enonce)
+wlp_get_sparse(struct wlp_nonce, WLP_ATTR_REG_NONCE, rnonce)
+
+/* The buffers for the device info attributes can be found in the
+ * wlp_device_info struct. These buffers contain one byte more than the
+ * max allowed by the spec - this is done to be able to add the
+ * terminating \0 for user display. This terminating byte is not required
+ * in the actual attribute field (because it has a length field) so the
+ * maximum allowed for this value is one less than its size in the
+ * structure.
+ */
+wlp_vget(char, WLP_ATTR_WSS_NAME, wss_name,
+	 FIELD_SIZEOF(struct wlp_wss, name) - 1)
+wlp_vget(char, WLP_ATTR_DEV_NAME, dev_name,
+	 FIELD_SIZEOF(struct wlp_device_info, name) - 1)
+wlp_vget(char, WLP_ATTR_MANUF, manufacturer,
+	 FIELD_SIZEOF(struct wlp_device_info, manufacturer) - 1)
+wlp_vget(char, WLP_ATTR_MODEL_NAME, model_name,
+	 FIELD_SIZEOF(struct wlp_device_info, model_name) - 1)
+wlp_vget(char, WLP_ATTR_MODEL_NR, model_nr,
+	 FIELD_SIZEOF(struct wlp_device_info, model_nr) - 1)
+wlp_vget(char, WLP_ATTR_SERIAL, serial,
+	 FIELD_SIZEOF(struct wlp_device_info, serial) - 1)
+
+/**
+ * Retrieve WSS Name, Accept enroll, Secure status, Broadcast from WSS info
+ *
+ * @attr: pointer to WSS name attribute in WSS information attribute field
+ * @info: structure that will be populated with data from WSS information
+ *        field (WSS name, Accept enroll, secure status, broadcast address)
+ * @buflen: size of buffer
+ *
+ * Although the WSSID attribute forms part of the WSS info attribute it is
+ * retrieved separately and stored in a different location.
+ */
+static ssize_t wlp_get_wss_info_attrs(struct wlp *wlp,
+				      struct wlp_attr_hdr *attr,
+				      struct wlp_wss_tmp_info *info,
+				      ssize_t buflen)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	void *ptr = attr;
+	size_t used = 0;
+	ssize_t result = -EINVAL;
+
+	d_printf(6, dev, "WLP: WSS info: Retrieving WSS name\n");
+	result = wlp_get_wss_name(wlp, ptr, info->name, buflen);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSS name from "
+			"WSS info in D2 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	d_printf(6, dev, "WLP: WSS info: Retrieving accept enroll\n");
+	result = wlp_get_accept_enrl(wlp, ptr + used, &info->accept_enroll,
+				     buflen - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain accepting "
+			"enrollment from WSS info in D2 message.\n");
+		goto error_parse;
+	}
+	if (info->accept_enroll != 0 && info->accept_enroll != 1) {
+		dev_err(dev, "WLP: invalid value for accepting "
+			"enrollment in D2 message.\n");
+		result = -EINVAL;
+		goto error_parse;
+	}
+	used += result;
+	d_printf(6, dev, "WLP: WSS info: Retrieving secure status\n");
+	result = wlp_get_wss_sec_status(wlp, ptr + used, &info->sec_status,
+					buflen - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain secure "
+			"status from WSS info in D2 message.\n");
+		goto error_parse;
+	}
+	if (info->sec_status != 0 && info->sec_status != 1) {
+		dev_err(dev, "WLP: invalid value for secure "
+			"status in D2 message.\n");
+		result = -EINVAL;
+		goto error_parse;
+	}
+	used += result;
+	d_printf(6, dev, "WLP: WSS info: Retrieving broadcast\n");
+	result = wlp_get_wss_bcast(wlp, ptr + used, &info->bcast,
+				   buflen - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain broadcast "
+			"address from WSS info in D2 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = used;
+error_parse:
+	return result;
+}
+
+/**
+ * Create a new WSSID entry for the neighbor, allocate temporary storage
+ *
+ * Each neighbor can have many WSS active. We maintain a list of WSSIDs
+ * advertised by neighbor. During discovery we also cache information about
+ * these WSS in temporary storage.
+ *
+ * The temporary storage will be removed after it has been used (eg.
+ * displayed to user), the wssid element will be removed from the list when
+ * the neighbor is rediscovered or when it disappears.
+ */
+static struct wlp_wssid_e *wlp_create_wssid_e(struct wlp *wlp,
+					      struct wlp_neighbor_e *neighbor)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_wssid_e *wssid_e;
+
+	wssid_e = kzalloc(sizeof(*wssid_e), GFP_KERNEL);
+	if (wssid_e == NULL) {
+		dev_err(dev, "WLP: unable to allocate memory "
+			"for WSS information.\n");
+		goto error_alloc;
+	}
+	wssid_e->info = kzalloc(sizeof(struct wlp_wss_tmp_info), GFP_KERNEL);
+	if (wssid_e->info == NULL) {
+		dev_err(dev, "WLP: unable to allocate memory "
+			"for temporary WSS information.\n");
+		kfree(wssid_e);
+		wssid_e = NULL;
+		goto error_alloc;
+	}
+	list_add(&wssid_e->node, &neighbor->wssid);
+error_alloc:
+	return wssid_e;
+}
+
+/**
+ * Parse WSS information attribute
+ *
+ * @attr: pointer to WSS information attribute header
+ * @buflen: size of buffer in which WSS information attribute appears
+ * @wssid: will place wssid from WSS info attribute in this location
+ * @wss_info: will place other information from WSS information attribute
+ * in this location
+ *
+ * memory for @wssid and @wss_info must be allocated when calling this
+ */
+static ssize_t wlp_get_wss_info(struct wlp *wlp, struct wlp_attr_wss_info *attr,
+				size_t buflen, struct wlp_uuid *wssid,
+				struct wlp_wss_tmp_info *wss_info)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	ssize_t result;
+	size_t len;
+	size_t used = 0;
+	void *ptr;
+
+	result = wlp_check_wss_info_attr_hdr(wlp, (struct wlp_attr_hdr *)attr,
+					     buflen);
+	if (result < 0)
+		goto out;
+	len = result;
+	used = sizeof(*attr);
+	ptr = attr;
+	d_printf(6, dev, "WLP: WSS info: Retrieving WSSID\n");
+	result = wlp_get_wssid(wlp, ptr + used, wssid, buflen - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSSID from WSS info.\n");
+		goto out;
+	}
+	used += result;
+	result = wlp_get_wss_info_attrs(wlp, ptr + used, wss_info,
+					buflen - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSS information "
+			"from WSS information attributes. \n");
+		goto out;
+	}
+	used += result;
+	if (len + sizeof(*attr) != used) {
+		dev_err(dev, "WLP: Amount of data parsed does not "
+			"match length field. Parsed %zu, length "
+			"field %zu. \n", used, len);
+		result = -EINVAL;
+		goto out;
+	}
+	result = used;
+	d_printf(6, dev, "WLP: Successfully parsed WLP information "
+		 "attribute. used %zu bytes\n", used);
+out:
+	return result;
+}
+
+/**
+ * Retrieve WSS info from association frame
+ *
+ * @attr:     pointer to WSS information attribute
+ * @neighbor: ptr to neighbor being discovered, NULL if enrollment in
+ *            progress
+ * @wss:      ptr to WSS being enrolled in, NULL if discovery in progress
+ * @buflen:   size of buffer in which WSS information appears
+ *
+ * The WSS information attribute appears in the D2 association message.
+ * This message is used in two ways: to discover all neighbors or to enroll
+ * into a WSS activated by a neighbor. During discovery we only want to
+ * store the WSS info in a cache, to be deleted right after it has been
+ * used (eg. displayed to the user). During enrollment we store the WSS
+ * information for the lifetime of enrollment.
+ *
+ * During discovery we are interested in all WSS information, during
+ * enrollment we are only interested in the WSS being enrolled in. Even so,
+ * when in enrollment we keep parsing the message after finding the WSS of
+ * interest, this simplifies the calling routine in that it can be sure
+ * that all WSS information attributes have been parsed out of the message.
+ *
+ * Association frame is process with nbmutex held. The list access is safe.
+ */
+static ssize_t wlp_get_all_wss_info(struct wlp *wlp,
+				    struct wlp_attr_wss_info *attr,
+				    struct wlp_neighbor_e *neighbor,
+				    struct wlp_wss *wss, ssize_t buflen)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	size_t used = 0;
+	ssize_t result = -EINVAL;
+	struct wlp_attr_wss_info *cur;
+	struct wlp_uuid wssid;
+	struct wlp_wss_tmp_info wss_info;
+	unsigned enroll; /* 0 - discovery to cache, 1 - enrollment */
+	struct wlp_wssid_e *wssid_e;
+	char buf[WLP_WSS_UUID_STRSIZE];
+
+	d_fnstart(6, dev, "wlp %p, attr %p, neighbor %p, wss %p, buflen %d \n",
+		  wlp, attr, neighbor, wss, (int)buflen);
+	if (buflen < 0)
+		goto out;
+
+	if (neighbor != NULL && wss == NULL)
+		enroll = 0; /* discovery */
+	else if (wss != NULL && neighbor == NULL)
+		enroll = 1; /* enrollment */
+	else
+		goto out;
+
+	cur = attr;
+	while (buflen - used > 0) {
+		memset(&wss_info, 0, sizeof(wss_info));
+		cur = (void *)cur + used;
+		result = wlp_get_wss_info(wlp, cur, buflen - used, &wssid,
+					  &wss_info);
+		if (result == -ENODATA) {
+			result = used;
+			goto out;
+		} else if (result < 0) {
+			dev_err(dev, "WLP: Unable to parse WSS information "
+				"from WSS information attribute. \n");
+			result = -EINVAL;
+			goto error_parse;
+		}
+		if (enroll && !memcmp(&wssid, &wss->wssid, sizeof(wssid))) {
+			if (wss_info.accept_enroll != 1) {
+				dev_err(dev, "WLP: Requested WSS does "
+					"not accept enrollment.\n");
+				result = -EINVAL;
+				goto out;
+			}
+			memcpy(wss->name, wss_info.name, sizeof(wss->name));
+			wss->bcast = wss_info.bcast;
+			wss->secure_status = wss_info.sec_status;
+			wss->accept_enroll = wss_info.accept_enroll;
+			wss->state = WLP_WSS_STATE_PART_ENROLLED;
+			wlp_wss_uuid_print(buf, sizeof(buf), &wssid);
+			d_printf(2, dev, "WLP: Found WSS %s. Enrolling.\n",
+				 buf);
+		} else {
+			wssid_e = wlp_create_wssid_e(wlp, neighbor);
+			if (wssid_e == NULL) {
+				dev_err(dev, "WLP: Cannot create new WSSID "
+					"entry for neighbor %02x:%02x.\n",
+					neighbor->uwb_dev->dev_addr.data[1],
+					neighbor->uwb_dev->dev_addr.data[0]);
+				result = -ENOMEM;
+				goto out;
+			}
+			wssid_e->wssid = wssid;
+			*wssid_e->info = wss_info;
+		}
+		used += result;
+	}
+	result = used;
+error_parse:
+	if (result < 0 && !enroll) /* this was a discovery */
+		wlp_remove_neighbor_tmp_info(neighbor);
+out:
+	d_fnend(6, dev, "wlp %p, attr %p, neighbor %p, wss %p, buflen %d, "
+		"result %d \n", wlp, attr, neighbor, wss, (int)buflen,
+		(int)result);
+	return result;
+
+}
+
+/**
+ * Parse WSS information attributes into cache for discovery
+ *
+ * @attr: the first WSS information attribute in message
+ * @neighbor: the neighbor whose cache will be populated
+ * @buflen: size of the input buffer
+ */
+static ssize_t wlp_get_wss_info_to_cache(struct wlp *wlp,
+					 struct wlp_attr_wss_info *attr,
+					 struct wlp_neighbor_e *neighbor,
+					 ssize_t buflen)
+{
+	return wlp_get_all_wss_info(wlp, attr, neighbor, NULL, buflen);
+}
+
+/**
+ * Parse WSS information attributes into WSS struct for enrollment
+ *
+ * @attr: the first WSS information attribute in message
+ * @wss: the WSS that will be enrolled
+ * @buflen: size of the input buffer
+ */
+static ssize_t wlp_get_wss_info_to_enroll(struct wlp *wlp,
+					  struct wlp_attr_wss_info *attr,
+					  struct wlp_wss *wss, ssize_t buflen)
+{
+	return wlp_get_all_wss_info(wlp, attr, NULL, wss, buflen);
+}
+
+/**
+ * Construct a D1 association frame
+ *
+ * We use the radio control functions to determine the values of the device
+ * properties. These are of variable length and the total space needed is
+ * tallied first before we start constructing the message. The radio
+ * control functions return strings that are terminated with \0. This
+ * character should not be included in the message (there is a length field
+ * accompanying it in the attribute).
+ */
+static int wlp_build_assoc_d1(struct wlp *wlp, struct wlp_wss *wss,
+			      struct sk_buff **skb)
+{
+
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = 0;
+	struct wlp_device_info *info;
+	size_t used = 0;
+	struct wlp_frame_assoc *_d1;
+	struct sk_buff *_skb;
+	void *d1_itr;
+
+	d_fnstart(6, dev, "wlp %p\n", wlp);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_setup_device_info(wlp);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to setup device "
+				"information for D1 message.\n");
+			goto error;
+		}
+	}
+	info = wlp->dev_info;
+	d_printf(6, dev, "Local properties:\n"
+		 "Device name (%d bytes): %s\n"
+		 "Model name (%d bytes): %s\n"
+		 "Manufacturer (%d bytes): %s\n"
+		 "Model number (%d bytes): %s\n"
+		 "Serial number (%d bytes): %s\n"
+		 "Primary device type: \n"
+		 " Category: %d \n"
+		 " OUI: %02x:%02x:%02x \n"
+		 " OUI Subdivision: %u \n",
+		 (int)strlen(info->name), info->name,
+		 (int)strlen(info->model_name), info->model_name,
+		 (int)strlen(info->manufacturer), info->manufacturer,
+		 (int)strlen(info->model_nr),  info->model_nr,
+		 (int)strlen(info->serial), info->serial,
+		 info->prim_dev_type.category,
+		 info->prim_dev_type.OUI[0], info->prim_dev_type.OUI[1],
+		 info->prim_dev_type.OUI[2], info->prim_dev_type.OUIsubdiv);
+	_skb = dev_alloc_skb(sizeof(*_d1)
+		      + sizeof(struct wlp_attr_uuid_e)
+		      + sizeof(struct wlp_attr_wss_sel_mthd)
+		      + sizeof(struct wlp_attr_dev_name)
+		      + strlen(info->name)
+		      + sizeof(struct wlp_attr_manufacturer)
+		      + strlen(info->manufacturer)
+		      + sizeof(struct wlp_attr_model_name)
+		      + strlen(info->model_name)
+		      + sizeof(struct wlp_attr_model_nr)
+		      + strlen(info->model_nr)
+		      + sizeof(struct wlp_attr_serial)
+		      + strlen(info->serial)
+		      + sizeof(struct wlp_attr_prim_dev_type)
+		      + sizeof(struct wlp_attr_wlp_assc_err));
+	if (_skb == NULL) {
+		dev_err(dev, "WLP: Cannot allocate memory for association "
+			"message.\n");
+		result = -ENOMEM;
+		goto error;
+	}
+	_d1 = (void *) _skb->data;
+	d_printf(6, dev, "D1 starts at %p \n", _d1);
+	_d1->hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
+	_d1->hdr.type = WLP_FRAME_ASSOCIATION;
+	_d1->type = WLP_ASSOC_D1;
+
+	wlp_set_version(&_d1->version, WLP_VERSION);
+	wlp_set_msg_type(&_d1->msg_type, WLP_ASSOC_D1);
+	d1_itr = _d1->attr;
+	used = wlp_set_uuid_e(d1_itr, &wlp->uuid);
+	used += wlp_set_wss_sel_mthd(d1_itr + used, WLP_WSS_REG_SELECT);
+	used += wlp_set_dev_name(d1_itr + used, info->name,
+				 strlen(info->name));
+	used += wlp_set_manufacturer(d1_itr + used, info->manufacturer,
+				     strlen(info->manufacturer));
+	used += wlp_set_model_name(d1_itr + used, info->model_name,
+				   strlen(info->model_name));
+	used += wlp_set_model_nr(d1_itr + used, info->model_nr,
+				 strlen(info->model_nr));
+	used += wlp_set_serial(d1_itr + used, info->serial,
+			       strlen(info->serial));
+	used += wlp_set_prim_dev_type(d1_itr + used, &info->prim_dev_type);
+	used += wlp_set_wlp_assc_err(d1_itr + used, WLP_ASSOC_ERROR_NONE);
+	skb_put(_skb, sizeof(*_d1) + used);
+	d_printf(6, dev, "D1 message:\n");
+	d_dump(6, dev, _d1, sizeof(*_d1)
+		     + sizeof(struct wlp_attr_uuid_e)
+		     + sizeof(struct wlp_attr_wss_sel_mthd)
+		     + sizeof(struct wlp_attr_dev_name)
+		     + strlen(info->name)
+		     + sizeof(struct wlp_attr_manufacturer)
+		     + strlen(info->manufacturer)
+		     + sizeof(struct wlp_attr_model_name)
+		     + strlen(info->model_name)
+		     + sizeof(struct wlp_attr_model_nr)
+		     + strlen(info->model_nr)
+		     + sizeof(struct wlp_attr_serial)
+		     + strlen(info->serial)
+		     + sizeof(struct wlp_attr_prim_dev_type)
+		     + sizeof(struct wlp_attr_wlp_assc_err));
+	*skb = _skb;
+error:
+	d_fnend(6, dev, "wlp %p, result = %d\n", wlp, result);
+	return result;
+}
+
+/**
+ * Construct a D2 association frame
+ *
+ * We use the radio control functions to determine the values of the device
+ * properties. These are of variable length and the total space needed is
+ * tallied first before we start constructing the message. The radio
+ * control functions return strings that are terminated with \0. This
+ * character should not be included in the message (there is a length field
+ * accompanying it in the attribute).
+ */
+static
+int wlp_build_assoc_d2(struct wlp *wlp, struct wlp_wss *wss,
+		       struct sk_buff **skb, struct wlp_uuid *uuid_e)
+{
+
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = 0;
+	struct wlp_device_info *info;
+	size_t used = 0;
+	struct wlp_frame_assoc *_d2;
+	struct sk_buff *_skb;
+	void *d2_itr;
+	size_t mem_needed;
+
+	d_fnstart(6, dev, "wlp %p\n", wlp);
+	if (wlp->dev_info == NULL) {
+		result = __wlp_setup_device_info(wlp);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to setup device "
+				"information for D2 message.\n");
+			goto error;
+		}
+	}
+	info = wlp->dev_info;
+	d_printf(6, dev, "Local properties:\n"
+		 "Device name (%d bytes): %s\n"
+		 "Model name (%d bytes): %s\n"
+		 "Manufacturer (%d bytes): %s\n"
+		 "Model number (%d bytes): %s\n"
+		 "Serial number (%d bytes): %s\n"
+		 "Primary device type: \n"
+		 " Category: %d \n"
+		 " OUI: %02x:%02x:%02x \n"
+		 " OUI Subdivision: %u \n",
+		 (int)strlen(info->name), info->name,
+		 (int)strlen(info->model_name), info->model_name,
+		 (int)strlen(info->manufacturer), info->manufacturer,
+		 (int)strlen(info->model_nr),  info->model_nr,
+		 (int)strlen(info->serial), info->serial,
+		 info->prim_dev_type.category,
+		 info->prim_dev_type.OUI[0], info->prim_dev_type.OUI[1],
+		 info->prim_dev_type.OUI[2], info->prim_dev_type.OUIsubdiv);
+	mem_needed = sizeof(*_d2)
+		      + sizeof(struct wlp_attr_uuid_e)
+		      + sizeof(struct wlp_attr_uuid_r)
+		      + sizeof(struct wlp_attr_dev_name)
+		      + strlen(info->name)
+		      + sizeof(struct wlp_attr_manufacturer)
+		      + strlen(info->manufacturer)
+		      + sizeof(struct wlp_attr_model_name)
+		      + strlen(info->model_name)
+		      + sizeof(struct wlp_attr_model_nr)
+		      + strlen(info->model_nr)
+		      + sizeof(struct wlp_attr_serial)
+		      + strlen(info->serial)
+		      + sizeof(struct wlp_attr_prim_dev_type)
+		      + sizeof(struct wlp_attr_wlp_assc_err);
+	if (wlp->wss.state >= WLP_WSS_STATE_ACTIVE)
+		mem_needed += sizeof(struct wlp_attr_wss_info)
+			      + sizeof(struct wlp_wss_info)
+			      + strlen(wlp->wss.name);
+	_skb = dev_alloc_skb(mem_needed);
+	if (_skb == NULL) {
+		dev_err(dev, "WLP: Cannot allocate memory for association "
+			"message.\n");
+		result = -ENOMEM;
+		goto error;
+	}
+	_d2 = (void *) _skb->data;
+	d_printf(6, dev, "D2 starts at %p \n", _d2);
+	_d2->hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
+	_d2->hdr.type = WLP_FRAME_ASSOCIATION;
+	_d2->type = WLP_ASSOC_D2;
+
+	wlp_set_version(&_d2->version, WLP_VERSION);
+	wlp_set_msg_type(&_d2->msg_type, WLP_ASSOC_D2);
+	d2_itr = _d2->attr;
+	used = wlp_set_uuid_e(d2_itr, uuid_e);
+	used += wlp_set_uuid_r(d2_itr + used, &wlp->uuid);
+	if (wlp->wss.state >= WLP_WSS_STATE_ACTIVE)
+		used += wlp_set_wss_info(d2_itr + used, &wlp->wss);
+	used += wlp_set_dev_name(d2_itr + used, info->name,
+				 strlen(info->name));
+	used += wlp_set_manufacturer(d2_itr + used, info->manufacturer,
+				     strlen(info->manufacturer));
+	used += wlp_set_model_name(d2_itr + used, info->model_name,
+				   strlen(info->model_name));
+	used += wlp_set_model_nr(d2_itr + used, info->model_nr,
+				 strlen(info->model_nr));
+	used += wlp_set_serial(d2_itr + used, info->serial,
+			       strlen(info->serial));
+	used += wlp_set_prim_dev_type(d2_itr + used, &info->prim_dev_type);
+	used += wlp_set_wlp_assc_err(d2_itr + used, WLP_ASSOC_ERROR_NONE);
+	skb_put(_skb, sizeof(*_d2) + used);
+	d_printf(6, dev, "D2 message:\n");
+	d_dump(6, dev, _d2, mem_needed);
+	*skb = _skb;
+error:
+	d_fnend(6, dev, "wlp %p, result = %d\n", wlp, result);
+	return result;
+}
+
+/**
+ * Allocate memory for and populate fields of F0 association frame
+ *
+ * Currently (while focusing on unsecure enrollment) we ignore the
+ * nonce's that could be placed in the message. Only the error field is
+ * populated by the value provided by the caller.
+ */
+static
+int wlp_build_assoc_f0(struct wlp *wlp, struct sk_buff **skb,
+		       enum wlp_assc_error error)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = -ENOMEM;
+	struct {
+		struct wlp_frame_assoc f0_hdr;
+		struct wlp_attr_enonce enonce;
+		struct wlp_attr_rnonce rnonce;
+		struct wlp_attr_wlp_assc_err assc_err;
+	} *f0;
+	struct sk_buff *_skb;
+	struct wlp_nonce tmp;
+
+	d_fnstart(6, dev, "wlp %p\n", wlp);
+	_skb = dev_alloc_skb(sizeof(*f0));
+	if (_skb == NULL) {
+		dev_err(dev, "WLP: Unable to allocate memory for F0 "
+			"association frame. \n");
+		goto error_alloc;
+	}
+	f0 = (void *) _skb->data;
+	d_printf(6, dev, "F0 starts at %p \n", f0);
+	f0->f0_hdr.hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
+	f0->f0_hdr.hdr.type = WLP_FRAME_ASSOCIATION;
+	f0->f0_hdr.type = WLP_ASSOC_F0;
+	wlp_set_version(&f0->f0_hdr.version, WLP_VERSION);
+	wlp_set_msg_type(&f0->f0_hdr.msg_type, WLP_ASSOC_F0);
+	memset(&tmp, 0, sizeof(tmp));
+	wlp_set_enonce(&f0->enonce, &tmp);
+	wlp_set_rnonce(&f0->rnonce, &tmp);
+	wlp_set_wlp_assc_err(&f0->assc_err, error);
+	skb_put(_skb, sizeof(*f0));
+	*skb = _skb;
+	result = 0;
+error_alloc:
+	d_fnend(6, dev, "wlp %p, result %d \n", wlp, result);
+	return result;
+}
+
+/**
+ * Parse F0 frame
+ *
+ * We just retrieve the values and print it as an error to the user.
+ * Calling function already knows an error occured (F0 indicates error), so
+ * we just parse the content as debug for higher layers.
+ */
+int wlp_parse_f0(struct wlp *wlp, struct sk_buff *skb)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_frame_assoc *f0 = (void *) skb->data;
+	void *ptr = skb->data;
+	size_t len = skb->len;
+	size_t used;
+	ssize_t result;
+	struct wlp_nonce enonce, rnonce;
+	enum wlp_assc_error assc_err;
+	char enonce_buf[WLP_WSS_NONCE_STRSIZE];
+	char rnonce_buf[WLP_WSS_NONCE_STRSIZE];
+
+	used = sizeof(*f0);
+	result = wlp_get_enonce(wlp, ptr + used, &enonce, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Enrollee nonce "
+			"attribute from F0 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_rnonce(wlp, ptr + used, &rnonce, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Registrar nonce "
+			"attribute from F0 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wlp_assc_err(wlp, ptr + used, &assc_err, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WLP Association error "
+			"attribute from F0 message.\n");
+		goto error_parse;
+	}
+	wlp_wss_nonce_print(enonce_buf, sizeof(enonce_buf), &enonce);
+	wlp_wss_nonce_print(rnonce_buf, sizeof(rnonce_buf), &rnonce);
+	dev_err(dev, "WLP: Received F0 error frame from neighbor. Enrollee "
+		"nonce: %s, Registrar nonce: %s, WLP Association error: %s.\n",
+		enonce_buf, rnonce_buf, wlp_assc_error_str(assc_err));
+	result = 0;
+error_parse:
+	return result;
+}
+
+/**
+ * Retrieve variable device information from association message
+ *
+ * The device information parsed is not required in any message. This
+ * routine will thus not fail if an attribute is not present.
+ * The attributes are expected in a certain order, even if all are not
+ * present. The "attribute type" value is used to ensure the attributes
+ * are parsed in the correct order.
+ *
+ * If an error is encountered during parsing the function will return an
+ * error code, when this happens the given device_info structure may be
+ * partially filled.
+ */
+static
+int wlp_get_variable_info(struct wlp *wlp, void *data,
+			  struct wlp_device_info *dev_info, ssize_t len)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	size_t used = 0;
+	struct wlp_attr_hdr *hdr;
+	ssize_t result = 0;
+	unsigned last = 0;
+
+	while (len - used > 0) {
+		if (len - used < sizeof(*hdr)) {
+			dev_err(dev, "WLP: Partial data in frame, cannot "
+				"parse. \n");
+			goto error_parse;
+		}
+		hdr = data + used;
+		switch (le16_to_cpu(hdr->type)) {
+		case WLP_ATTR_MANUF:
+			if (last >= WLP_ATTR_MANUF) {
+				dev_err(dev, "WLP: Incorrect order of "
+					"attribute values in D1 msg.\n");
+				goto error_parse;
+			}
+			result = wlp_get_manufacturer(wlp, data + used,
+						      dev_info->manufacturer,
+						      len - used);
+			if (result < 0) {
+				dev_err(dev, "WLP: Unable to obtain "
+					"Manufacturer attribute from D1 "
+					"message.\n");
+				goto error_parse;
+			}
+			last = WLP_ATTR_MANUF;
+			used += result;
+			break;
+		case WLP_ATTR_MODEL_NAME:
+			if (last >= WLP_ATTR_MODEL_NAME) {
+				dev_err(dev, "WLP: Incorrect order of "
+					"attribute values in D1 msg.\n");
+				goto error_parse;
+			}
+			result = wlp_get_model_name(wlp, data + used,
+						    dev_info->model_name,
+						    len - used);
+			if (result < 0) {
+				dev_err(dev, "WLP: Unable to obtain Model "
+					"name attribute from D1 message.\n");
+				goto error_parse;
+			}
+			last = WLP_ATTR_MODEL_NAME;
+			used += result;
+			break;
+		case WLP_ATTR_MODEL_NR:
+			if (last >= WLP_ATTR_MODEL_NR) {
+				dev_err(dev, "WLP: Incorrect order of "
+					"attribute values in D1 msg.\n");
+				goto error_parse;
+			}
+			result = wlp_get_model_nr(wlp, data + used,
+						  dev_info->model_nr,
+						  len - used);
+			if (result < 0) {
+				dev_err(dev, "WLP: Unable to obtain Model "
+					"number attribute from D1 message.\n");
+				goto error_parse;
+			}
+			last = WLP_ATTR_MODEL_NR;
+			used += result;
+			break;
+		case WLP_ATTR_SERIAL:
+			if (last >= WLP_ATTR_SERIAL) {
+				dev_err(dev, "WLP: Incorrect order of "
+					"attribute values in D1 msg.\n");
+				goto error_parse;
+			}
+			result = wlp_get_serial(wlp, data + used,
+						dev_info->serial, len - used);
+			if (result < 0) {
+				dev_err(dev, "WLP: Unable to obtain Serial "
+					"number attribute from D1 message.\n");
+				goto error_parse;
+			}
+			last = WLP_ATTR_SERIAL;
+			used += result;
+			break;
+		case WLP_ATTR_PRI_DEV_TYPE:
+			if (last >= WLP_ATTR_PRI_DEV_TYPE) {
+				dev_err(dev, "WLP: Incorrect order of "
+					"attribute values in D1 msg.\n");
+				goto error_parse;
+			}
+			result = wlp_get_prim_dev_type(wlp, data + used,
+						       &dev_info->prim_dev_type,
+						       len - used);
+			if (result < 0) {
+				dev_err(dev, "WLP: Unable to obtain Primary "
+					"device type attribute from D1 "
+					"message.\n");
+				goto error_parse;
+			}
+			dev_info->prim_dev_type.category =
+				le16_to_cpu(dev_info->prim_dev_type.category);
+			dev_info->prim_dev_type.subID =
+				le16_to_cpu(dev_info->prim_dev_type.subID);
+			last = WLP_ATTR_PRI_DEV_TYPE;
+			used += result;
+			break;
+		default:
+			/* This is not variable device information. */
+			goto out;
+			break;
+		}
+	}
+out:
+	return used;
+error_parse:
+	return -EINVAL;
+}
+
+/**
+ * Parse incoming D1 frame, populate attribute values
+ *
+ * Caller provides pointers to memory already allocated for attributes
+ * expected in the D1 frame. These variables will be populated.
+ */
+static
+int wlp_parse_d1_frame(struct wlp *wlp, struct sk_buff *skb,
+		       struct wlp_uuid *uuid_e,
+		       enum wlp_wss_sel_mthd *sel_mthd,
+		       struct wlp_device_info *dev_info,
+		       enum wlp_assc_error *assc_err)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_frame_assoc *d1 = (void *) skb->data;
+	void *ptr = skb->data;
+	size_t len = skb->len;
+	size_t used;
+	ssize_t result;
+
+	used = sizeof(*d1);
+	result = wlp_get_uuid_e(wlp, ptr + used, uuid_e, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain UUID-E attribute from D1 "
+			"message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wss_sel_mthd(wlp, ptr + used, sel_mthd, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSS selection method "
+			"from D1 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_dev_name(wlp, ptr + used, dev_info->name,
+				     len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Device Name from D1 "
+			"message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_variable_info(wlp, ptr + used, dev_info, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Device Information from "
+			"D1 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wlp_assc_err(wlp, ptr + used, assc_err, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WLP Association Error "
+			"Information from D1 message.\n");
+		goto error_parse;
+	}
+	result = 0;
+error_parse:
+	return result;
+}
+/**
+ * Handle incoming D1 frame
+ *
+ * The frame has already been verified to contain an Association header with
+ * the correct version number. Parse the incoming frame, construct and send
+ * a D2 frame in response.
+ *
+ * It is not clear what to do with most fields in the incoming D1 frame. We
+ * retrieve and discard the information here for now.
+ */
+void wlp_handle_d1_frame(struct work_struct *ws)
+{
+	struct wlp_assoc_frame_ctx *frame_ctx = container_of(ws,
+						  struct wlp_assoc_frame_ctx,
+						  ws);
+	struct wlp *wlp = frame_ctx->wlp;
+	struct wlp_wss *wss = &wlp->wss;
+	struct sk_buff *skb = frame_ctx->skb;
+	struct uwb_dev_addr *src = &frame_ctx->src;
+	int result;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_uuid uuid_e;
+	enum wlp_wss_sel_mthd sel_mthd = 0;
+	struct wlp_device_info dev_info;
+	enum wlp_assc_error assc_err;
+	char uuid[WLP_WSS_UUID_STRSIZE];
+	struct sk_buff *resp = NULL;
+
+	/* Parse D1 frame */
+	d_fnstart(6, dev, "WLP: handle D1 frame. wlp = %p, skb = %p\n",
+		  wlp, skb);
+	mutex_lock(&wss->mutex);
+	mutex_lock(&wlp->mutex); /* to access wlp->uuid */
+	memset(&dev_info, 0, sizeof(dev_info));
+	result = wlp_parse_d1_frame(wlp, skb, &uuid_e, &sel_mthd, &dev_info,
+				    &assc_err);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to parse incoming D1 frame.\n");
+		kfree_skb(skb);
+		goto out;
+	}
+	wlp_wss_uuid_print(uuid, sizeof(uuid), &uuid_e);
+	d_printf(6, dev, "From D1 frame:\n"
+		 "UUID-E: %s\n"
+		 "Selection method: %d\n"
+		 "Device name (%d bytes): %s\n"
+		 "Model name (%d bytes): %s\n"
+		 "Manufacturer (%d bytes): %s\n"
+		 "Model number (%d bytes): %s\n"
+		 "Serial number (%d bytes): %s\n"
+		 "Primary device type: \n"
+		 " Category: %d \n"
+		 " OUI: %02x:%02x:%02x \n"
+		 " OUI Subdivision: %u \n",
+		 uuid, sel_mthd,
+		 (int)strlen(dev_info.name), dev_info.name,
+		 (int)strlen(dev_info.model_name), dev_info.model_name,
+		 (int)strlen(dev_info.manufacturer), dev_info.manufacturer,
+		 (int)strlen(dev_info.model_nr),  dev_info.model_nr,
+		 (int)strlen(dev_info.serial), dev_info.serial,
+		 dev_info.prim_dev_type.category,
+		 dev_info.prim_dev_type.OUI[0],
+		 dev_info.prim_dev_type.OUI[1],
+		 dev_info.prim_dev_type.OUI[2],
+		 dev_info.prim_dev_type.OUIsubdiv);
+
+	kfree_skb(skb);
+	if (!wlp_uuid_is_set(&wlp->uuid)) {
+		dev_err(dev, "WLP: UUID is not set. Set via sysfs to "
+			"proceed. Respong to D1 message with error F0.\n");
+		result = wlp_build_assoc_f0(wlp, &resp,
+					    WLP_ASSOC_ERROR_NOT_READY);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to construct F0 message.\n");
+			goto out;
+		}
+	} else {
+		/* Construct D2 frame */
+		result = wlp_build_assoc_d2(wlp, wss, &resp, &uuid_e);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to construct D2 message.\n");
+			goto out;
+		}
+	}
+	/* Send D2 frame */
+	BUG_ON(wlp->xmit_frame == NULL);
+	result = wlp->xmit_frame(wlp, resp, src);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to transmit D2 association "
+			"message: %d\n", result);
+		if (result == -ENXIO)
+			dev_err(dev, "WLP: Is network interface up? \n");
+		/* We could try again ... */
+		dev_kfree_skb_any(resp); /* we need to free if tx fails */
+	}
+out:
+	kfree(frame_ctx);
+	mutex_unlock(&wlp->mutex);
+	mutex_unlock(&wss->mutex);
+	d_fnend(6, dev, "WLP: handle D1 frame. wlp = %p\n", wlp);
+}
+
+/**
+ * Parse incoming D2 frame, create and populate temporary cache
+ *
+ * @skb: socket buffer in which D2 frame can be found
+ * @neighbor: the neighbor that sent the D2 frame
+ *
+ * Will allocate memory for temporary storage of information learned during
+ * discovery.
+ */
+int wlp_parse_d2_frame_to_cache(struct wlp *wlp, struct sk_buff *skb,
+				struct wlp_neighbor_e *neighbor)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_frame_assoc *d2 = (void *) skb->data;
+	void *ptr = skb->data;
+	size_t len = skb->len;
+	size_t used;
+	ssize_t result;
+	struct wlp_uuid uuid_e;
+	struct wlp_device_info *nb_info;
+	enum wlp_assc_error assc_err;
+
+	used = sizeof(*d2);
+	result = wlp_get_uuid_e(wlp, ptr + used, &uuid_e, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain UUID-E attribute from D2 "
+			"message.\n");
+		goto error_parse;
+	}
+	if (memcmp(&uuid_e, &wlp->uuid, sizeof(uuid_e))) {
+		dev_err(dev, "WLP: UUID-E in incoming D2 does not match "
+			"local UUID sent in D1. \n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_uuid_r(wlp, ptr + used, &neighbor->uuid, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain UUID-R attribute from D2 "
+			"message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wss_info_to_cache(wlp, ptr + used, neighbor,
+					   len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSS information "
+			"from D2 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	neighbor->info = kzalloc(sizeof(struct wlp_device_info), GFP_KERNEL);
+	if (neighbor->info == NULL) {
+		dev_err(dev, "WLP: cannot allocate memory to store device "
+			"info.\n");
+		result = -ENOMEM;
+		goto error_parse;
+	}
+	nb_info = neighbor->info;
+	result = wlp_get_dev_name(wlp, ptr + used, nb_info->name,
+				  len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Device Name from D2 "
+			"message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_variable_info(wlp, ptr + used, nb_info, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Device Information from "
+			"D2 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wlp_assc_err(wlp, ptr + used, &assc_err, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WLP Association Error "
+			"Information from D2 message.\n");
+		goto error_parse;
+	}
+	if (assc_err != WLP_ASSOC_ERROR_NONE) {
+		dev_err(dev, "WLP: neighbor device returned association "
+			"error %d\n", assc_err);
+		result = -EINVAL;
+		goto error_parse;
+	}
+	result = 0;
+error_parse:
+	if (result < 0)
+		wlp_remove_neighbor_tmp_info(neighbor);
+	return result;
+}
+
+/**
+ * Parse incoming D2 frame, populate attribute values of WSS bein enrolled in
+ *
+ * @wss: our WSS that will be enrolled
+ * @skb: socket buffer in which D2 frame can be found
+ * @neighbor: the neighbor that sent the D2 frame
+ * @wssid: the wssid of the WSS in which we want to enroll
+ *
+ * Forms part of enrollment sequence. We are trying to enroll in WSS with
+ * @wssid by using @neighbor as registrar. A D1 message was sent to
+ * @neighbor and now we need to parse the D2 response. The neighbor's
+ * response is searched for the requested WSS and if found (and it accepts
+ * enrollment), we store the information.
+ */
+int wlp_parse_d2_frame_to_enroll(struct wlp_wss *wss, struct sk_buff *skb,
+				 struct wlp_neighbor_e *neighbor,
+				 struct wlp_uuid *wssid)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	void *ptr = skb->data;
+	size_t len = skb->len;
+	size_t used;
+	ssize_t result;
+	struct wlp_uuid uuid_e;
+	struct wlp_uuid uuid_r;
+	struct wlp_device_info nb_info;
+	enum wlp_assc_error assc_err;
+	char uuid_bufA[WLP_WSS_UUID_STRSIZE];
+	char uuid_bufB[WLP_WSS_UUID_STRSIZE];
+
+	used = sizeof(struct wlp_frame_assoc);
+	result = wlp_get_uuid_e(wlp, ptr + used, &uuid_e, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain UUID-E attribute from D2 "
+			"message.\n");
+		goto error_parse;
+	}
+	if (memcmp(&uuid_e, &wlp->uuid, sizeof(uuid_e))) {
+		dev_err(dev, "WLP: UUID-E in incoming D2 does not match "
+			"local UUID sent in D1. \n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_uuid_r(wlp, ptr + used, &uuid_r, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain UUID-R attribute from D2 "
+			"message.\n");
+		goto error_parse;
+	}
+	if (memcmp(&uuid_r, &neighbor->uuid, sizeof(uuid_r))) {
+		wlp_wss_uuid_print(uuid_bufA, sizeof(uuid_bufA),
+				   &neighbor->uuid);
+		wlp_wss_uuid_print(uuid_bufB, sizeof(uuid_bufB), &uuid_r);
+		dev_err(dev, "WLP: UUID of neighbor does not match UUID "
+			"learned during discovery. Originally discovered: %s, "
+			"now from D2 message: %s\n", uuid_bufA, uuid_bufB);
+		result = -EINVAL;
+		goto error_parse;
+	}
+	used += result;
+	wss->wssid = *wssid;
+	result = wlp_get_wss_info_to_enroll(wlp, ptr + used, wss, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSS information "
+			"from D2 message.\n");
+		goto error_parse;
+	}
+	if (wss->state != WLP_WSS_STATE_PART_ENROLLED) {
+		dev_err(dev, "WLP: D2 message did not contain information "
+			"for successful enrollment. \n");
+		result = -EINVAL;
+		goto error_parse;
+	}
+	used += result;
+	/* Place device information on stack to continue parsing of message */
+	result = wlp_get_dev_name(wlp, ptr + used, nb_info.name,
+				  len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Device Name from D2 "
+			"message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_variable_info(wlp, ptr + used, &nb_info, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain Device Information from "
+			"D2 message.\n");
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wlp_assc_err(wlp, ptr + used, &assc_err, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WLP Association Error "
+			"Information from D2 message.\n");
+		goto error_parse;
+	}
+	if (assc_err != WLP_ASSOC_ERROR_NONE) {
+		dev_err(dev, "WLP: neighbor device returned association "
+			"error %d\n", assc_err);
+		if (wss->state == WLP_WSS_STATE_PART_ENROLLED) {
+			dev_err(dev, "WLP: Enrolled in WSS (should not "
+				"happen according to spec). Undoing. \n");
+			wlp_wss_reset(wss);
+		}
+		result = -EINVAL;
+		goto error_parse;
+	}
+	result = 0;
+error_parse:
+	return result;
+}
+
+/**
+ * Parse C3/C4 frame into provided variables
+ *
+ * @wssid: will point to copy of wssid retrieved from C3/C4 frame
+ * @tag:   will point to copy of tag retrieved from C3/C4 frame
+ * @virt_addr: will point to copy of virtual address retrieved from C3/C4
+ * frame.
+ *
+ * Calling function has to allocate memory for these values.
+ *
+ * skb contains a valid C3/C4 frame, return the individual fields of this
+ * frame in the provided variables.
+ */
+int wlp_parse_c3c4_frame(struct wlp *wlp, struct sk_buff *skb,
+		       struct wlp_uuid *wssid, u8 *tag,
+		       struct uwb_mac_addr *virt_addr)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result;
+	void *ptr = skb->data;
+	size_t len = skb->len;
+	size_t used;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	struct wlp_frame_assoc *assoc = ptr;
+
+	d_fnstart(6, dev, "wlp %p, skb %p \n", wlp, skb);
+	used = sizeof(*assoc);
+	result = wlp_get_wssid(wlp, ptr + used, wssid, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSSID attribute from "
+			"%s message.\n", wlp_assoc_frame_str(assoc->type));
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wss_tag(wlp, ptr + used, tag, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSS tag attribute from "
+			"%s message.\n", wlp_assoc_frame_str(assoc->type));
+		goto error_parse;
+	}
+	used += result;
+	result = wlp_get_wss_virt(wlp, ptr + used, virt_addr, len - used);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSS virtual address "
+			"attribute from %s message.\n",
+			wlp_assoc_frame_str(assoc->type));
+		goto error_parse;
+	}
+	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+	d_printf(6, dev, "WLP: parsed: WSSID %s, tag 0x%02x, virt "
+		 "%02x:%02x:%02x:%02x:%02x:%02x \n", buf, *tag,
+		 virt_addr->data[0], virt_addr->data[1], virt_addr->data[2],
+		 virt_addr->data[3], virt_addr->data[4], virt_addr->data[5]);
+
+error_parse:
+	d_fnend(6, dev, "wlp %p, skb %p, result = %d \n", wlp, skb, result);
+	return result;
+}
+
+/**
+ * Allocate memory for and populate fields of C1 or C2 association frame
+ *
+ * The C1 and C2 association frames appear identical - except for the type.
+ */
+static
+int wlp_build_assoc_c1c2(struct wlp *wlp, struct wlp_wss *wss,
+			 struct sk_buff **skb, enum wlp_assoc_type type)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result  = -ENOMEM;
+	struct {
+		struct wlp_frame_assoc c_hdr;
+		struct wlp_attr_wssid wssid;
+	} *c;
+	struct sk_buff *_skb;
+
+	d_fnstart(6, dev, "wlp %p, wss %p \n", wlp, wss);
+	_skb = dev_alloc_skb(sizeof(*c));
+	if (_skb == NULL) {
+		dev_err(dev, "WLP: Unable to allocate memory for C1/C2 "
+			"association frame. \n");
+		goto error_alloc;
+	}
+	c = (void *) _skb->data;
+	d_printf(6, dev, "C1/C2 starts at %p \n", c);
+	c->c_hdr.hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
+	c->c_hdr.hdr.type = WLP_FRAME_ASSOCIATION;
+	c->c_hdr.type = type;
+	wlp_set_version(&c->c_hdr.version, WLP_VERSION);
+	wlp_set_msg_type(&c->c_hdr.msg_type, type);
+	wlp_set_wssid(&c->wssid, &wss->wssid);
+	skb_put(_skb, sizeof(*c));
+	d_printf(6, dev, "C1/C2 message:\n");
+	d_dump(6, dev, c, sizeof(*c));
+	*skb = _skb;
+	result = 0;
+error_alloc:
+	d_fnend(6, dev, "wlp %p, wss %p, result %d \n", wlp, wss, result);
+	return result;
+}
+
+
+static
+int wlp_build_assoc_c1(struct wlp *wlp, struct wlp_wss *wss,
+		       struct sk_buff **skb)
+{
+	return wlp_build_assoc_c1c2(wlp, wss, skb, WLP_ASSOC_C1);
+}
+
+static
+int wlp_build_assoc_c2(struct wlp *wlp, struct wlp_wss *wss,
+		       struct sk_buff **skb)
+{
+	return wlp_build_assoc_c1c2(wlp, wss, skb, WLP_ASSOC_C2);
+}
+
+
+/**
+ * Allocate memory for and populate fields of C3 or C4 association frame
+ *
+ * The C3 and C4 association frames appear identical - except for the type.
+ */
+static
+int wlp_build_assoc_c3c4(struct wlp *wlp, struct wlp_wss *wss,
+			 struct sk_buff **skb, enum wlp_assoc_type type)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result  = -ENOMEM;
+	struct {
+		struct wlp_frame_assoc c_hdr;
+		struct wlp_attr_wssid wssid;
+		struct wlp_attr_wss_tag wss_tag;
+		struct wlp_attr_wss_virt wss_virt;
+	} *c;
+	struct sk_buff *_skb;
+
+	d_fnstart(6, dev, "wlp %p, wss %p \n", wlp, wss);
+	_skb = dev_alloc_skb(sizeof(*c));
+	if (_skb == NULL) {
+		dev_err(dev, "WLP: Unable to allocate memory for C3/C4 "
+			"association frame. \n");
+		goto error_alloc;
+	}
+	c = (void *) _skb->data;
+	d_printf(6, dev, "C3/C4 starts at %p \n", c);
+	c->c_hdr.hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
+	c->c_hdr.hdr.type = WLP_FRAME_ASSOCIATION;
+	c->c_hdr.type = type;
+	wlp_set_version(&c->c_hdr.version, WLP_VERSION);
+	wlp_set_msg_type(&c->c_hdr.msg_type, type);
+	wlp_set_wssid(&c->wssid, &wss->wssid);
+	wlp_set_wss_tag(&c->wss_tag, wss->tag);
+	wlp_set_wss_virt(&c->wss_virt, &wss->virtual_addr);
+	skb_put(_skb, sizeof(*c));
+	d_printf(6, dev, "C3/C4 message:\n");
+	d_dump(6, dev, c, sizeof(*c));
+	*skb = _skb;
+	result = 0;
+error_alloc:
+	d_fnend(6, dev, "wlp %p, wss %p, result %d \n", wlp, wss, result);
+	return result;
+}
+
+static
+int wlp_build_assoc_c3(struct wlp *wlp, struct wlp_wss *wss,
+		       struct sk_buff **skb)
+{
+	return wlp_build_assoc_c3c4(wlp, wss, skb, WLP_ASSOC_C3);
+}
+
+static
+int wlp_build_assoc_c4(struct wlp *wlp, struct wlp_wss *wss,
+		       struct sk_buff **skb)
+{
+	return wlp_build_assoc_c3c4(wlp, wss, skb, WLP_ASSOC_C4);
+}
+
+
+#define wlp_send_assoc(type, id)					\
+static int wlp_send_assoc_##type(struct wlp *wlp, struct wlp_wss *wss,	\
+				 struct uwb_dev_addr *dev_addr)		\
+{									\
+	struct device *dev = &wlp->rc->uwb_dev.dev;			\
+	int result;							\
+	struct sk_buff *skb = NULL;					\
+	d_fnstart(6, dev, "wlp %p, wss %p, neighbor: %02x:%02x\n",	\
+		  wlp, wss, dev_addr->data[1], dev_addr->data[0]);	\
+	d_printf(6, dev, "WLP: Constructing %s frame. \n",		\
+		 wlp_assoc_frame_str(id));				\
+	/* Build the frame */						\
+	result = wlp_build_assoc_##type(wlp, wss, &skb);		\
+	if (result < 0) {						\
+		dev_err(dev, "WLP: Unable to construct %s association "	\
+			"frame: %d\n", wlp_assoc_frame_str(id), result);\
+		goto error_build_assoc;					\
+	}								\
+	/* Send the frame */						\
+	d_printf(6, dev, "Transmitting %s frame to %02x:%02x \n",	\
+		 wlp_assoc_frame_str(id),				\
+		 dev_addr->data[1], dev_addr->data[0]);			\
+	BUG_ON(wlp->xmit_frame == NULL);				\
+	result = wlp->xmit_frame(wlp, skb, dev_addr);			\
+	if (result < 0) {						\
+		dev_err(dev, "WLP: Unable to transmit %s association "	\
+			"message: %d\n", wlp_assoc_frame_str(id),	\
+			result);					\
+		if (result == -ENXIO)					\
+			dev_err(dev, "WLP: Is network interface "	\
+				"up? \n");				\
+		goto error_xmit;					\
+	}								\
+	return 0;							\
+error_xmit:								\
+	/* We could try again ... */					\
+	dev_kfree_skb_any(skb);/*we need to free if tx fails*/		\
+error_build_assoc:							\
+	d_fnend(6, dev, "wlp %p, wss %p, neighbor: %02x:%02x\n",	\
+		wlp, wss, dev_addr->data[1], dev_addr->data[0]);	\
+	return result;							\
+}
+
+wlp_send_assoc(d1, WLP_ASSOC_D1)
+wlp_send_assoc(c1, WLP_ASSOC_C1)
+wlp_send_assoc(c3, WLP_ASSOC_C3)
+
+int wlp_send_assoc_frame(struct wlp *wlp, struct wlp_wss *wss,
+			 struct uwb_dev_addr *dev_addr,
+			 enum wlp_assoc_type type)
+{
+	int result = 0;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	switch (type) {
+	case WLP_ASSOC_D1:
+		result = wlp_send_assoc_d1(wlp, wss, dev_addr);
+		break;
+	case WLP_ASSOC_C1:
+		result = wlp_send_assoc_c1(wlp, wss, dev_addr);
+		break;
+	case WLP_ASSOC_C3:
+		result = wlp_send_assoc_c3(wlp, wss, dev_addr);
+		break;
+	default:
+		dev_err(dev, "WLP: Received request to send unknown "
+			"association message.\n");
+		result = -EINVAL;
+		break;
+	}
+	return result;
+}
+
+/**
+ * Handle incoming C1 frame
+ *
+ * The frame has already been verified to contain an Association header with
+ * the correct version number. Parse the incoming frame, construct and send
+ * a C2 frame in response.
+ */
+void wlp_handle_c1_frame(struct work_struct *ws)
+{
+	struct wlp_assoc_frame_ctx *frame_ctx = container_of(ws,
+						  struct wlp_assoc_frame_ctx,
+						  ws);
+	struct wlp *wlp = frame_ctx->wlp;
+	struct wlp_wss *wss = &wlp->wss;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_frame_assoc *c1 = (void *) frame_ctx->skb->data;
+	unsigned int len = frame_ctx->skb->len;
+	struct uwb_dev_addr *src = &frame_ctx->src;
+	int result;
+	struct wlp_uuid wssid;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	struct sk_buff *resp = NULL;
+
+	/* Parse C1 frame */
+	d_fnstart(6, dev, "WLP: handle C1 frame. wlp = %p, c1 = %p\n",
+		  wlp, c1);
+	mutex_lock(&wss->mutex);
+	result = wlp_get_wssid(wlp, (void *)c1 + sizeof(*c1), &wssid,
+			       len - sizeof(*c1));
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSSID from C1 frame.\n");
+		goto out;
+	}
+	wlp_wss_uuid_print(buf, sizeof(buf), &wssid);
+	d_printf(6, dev, "Received C1 frame with WSSID %s \n", buf);
+	if (!memcmp(&wssid, &wss->wssid, sizeof(wssid))
+	    && wss->state == WLP_WSS_STATE_ACTIVE) {
+		d_printf(6, dev, "WSSID from C1 frame is known locally "
+			 "and is active\n");
+		/* Construct C2 frame */
+		result = wlp_build_assoc_c2(wlp, wss, &resp);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to construct C2 message.\n");
+			goto out;
+		}
+	} else {
+		d_printf(6, dev, "WSSID from C1 frame is not known locally "
+			 "or is not active\n");
+		/* Construct F0 frame */
+		result = wlp_build_assoc_f0(wlp, &resp, WLP_ASSOC_ERROR_INV);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to construct F0 message.\n");
+			goto out;
+		}
+	}
+	/* Send C2 frame */
+	d_printf(6, dev, "Transmitting response (C2/F0) frame to %02x:%02x \n",
+		 src->data[1], src->data[0]);
+	BUG_ON(wlp->xmit_frame == NULL);
+	result = wlp->xmit_frame(wlp, resp, src);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to transmit response association "
+			"message: %d\n", result);
+		if (result == -ENXIO)
+			dev_err(dev, "WLP: Is network interface up? \n");
+		/* We could try again ... */
+		dev_kfree_skb_any(resp); /* we need to free if tx fails */
+	}
+out:
+	kfree_skb(frame_ctx->skb);
+	kfree(frame_ctx);
+	mutex_unlock(&wss->mutex);
+	d_fnend(6, dev, "WLP: handle C1 frame. wlp = %p\n", wlp);
+}
+
+/**
+ * Handle incoming C3 frame
+ *
+ * The frame has already been verified to contain an Association header with
+ * the correct version number. Parse the incoming frame, construct and send
+ * a C4 frame in response. If the C3 frame identifies a WSS that is locally
+ * active then we connect to this neighbor (add it to our EDA cache).
+ */
+void wlp_handle_c3_frame(struct work_struct *ws)
+{
+	struct wlp_assoc_frame_ctx *frame_ctx = container_of(ws,
+						  struct wlp_assoc_frame_ctx,
+						  ws);
+	struct wlp *wlp = frame_ctx->wlp;
+	struct wlp_wss *wss = &wlp->wss;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct sk_buff *skb = frame_ctx->skb;
+	struct uwb_dev_addr *src = &frame_ctx->src;
+	int result;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	struct sk_buff *resp = NULL;
+	struct wlp_uuid wssid;
+	u8 tag;
+	struct uwb_mac_addr virt_addr;
+
+	/* Parse C3 frame */
+	d_fnstart(6, dev, "WLP: handle C3 frame. wlp = %p, skb = %p\n",
+		  wlp, skb);
+	mutex_lock(&wss->mutex);
+	result = wlp_parse_c3c4_frame(wlp, skb, &wssid, &tag, &virt_addr);
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain values from C3 frame.\n");
+		goto out;
+	}
+	wlp_wss_uuid_print(buf, sizeof(buf), &wssid);
+	d_printf(6, dev, "Received C3 frame with WSSID %s \n", buf);
+	if (!memcmp(&wssid, &wss->wssid, sizeof(wssid))
+	    && wss->state >= WLP_WSS_STATE_ACTIVE) {
+		d_printf(6, dev, "WSSID from C3 frame is known locally "
+			 "and is active\n");
+		result = wlp_eda_update_node(&wlp->eda, src, wss,
+					     (void *) virt_addr.data, tag,
+					     WLP_WSS_CONNECTED);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to update EDA cache "
+				"with new connected neighbor information.\n");
+			result = wlp_build_assoc_f0(wlp, &resp,
+						    WLP_ASSOC_ERROR_INT);
+			if (result < 0) {
+				dev_err(dev, "WLP: Unable to construct F0 "
+					"message.\n");
+				goto out;
+			}
+		} else {
+			wss->state = WLP_WSS_STATE_CONNECTED;
+			/* Construct C4 frame */
+			result = wlp_build_assoc_c4(wlp, wss, &resp);
+			if (result < 0) {
+				dev_err(dev, "WLP: Unable to construct C4 "
+					"message.\n");
+				goto out;
+			}
+		}
+	} else {
+		d_printf(6, dev, "WSSID from C3 frame is not known locally "
+			 "or is not active\n");
+		/* Construct F0 frame */
+		result = wlp_build_assoc_f0(wlp, &resp, WLP_ASSOC_ERROR_INV);
+		if (result < 0) {
+			dev_err(dev, "WLP: Unable to construct F0 message.\n");
+			goto out;
+		}
+	}
+	/* Send C4 frame */
+	d_printf(6, dev, "Transmitting response (C4/F0) frame to %02x:%02x \n",
+		 src->data[1], src->data[0]);
+	BUG_ON(wlp->xmit_frame == NULL);
+	result = wlp->xmit_frame(wlp, resp, src);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to transmit response association "
+			"message: %d\n", result);
+		if (result == -ENXIO)
+			dev_err(dev, "WLP: Is network interface up? \n");
+		/* We could try again ... */
+		dev_kfree_skb_any(resp); /* we need to free if tx fails */
+	}
+out:
+	kfree_skb(frame_ctx->skb);
+	kfree(frame_ctx);
+	mutex_unlock(&wss->mutex);
+	d_fnend(6, dev, "WLP: handle C3 frame. wlp = %p, skb = %p\n",
+		wlp, skb);
+}
+
+
-- 
GitLab


From 2f19204480f16a20d8571a97c13f0cec2968607c Mon Sep 17 00:00:00 2001
From: Reinette Chatre <reinette.chatre@intel.com>
Date: Wed, 17 Sep 2008 16:34:18 +0100
Subject: [PATCH 0168/2224] uwb: add WiMedia LLC Protocol stack (WSS)

Add the Wireless Service Set (WSS) code.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/wlp/wss-lc.c | 1055 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 1055 insertions(+)
 create mode 100644 drivers/uwb/wlp/wss-lc.c

diff --git a/drivers/uwb/wlp/wss-lc.c b/drivers/uwb/wlp/wss-lc.c
new file mode 100644
index 00000000000..96b18c9bd6e
--- /dev/null
+++ b/drivers/uwb/wlp/wss-lc.c
@@ -0,0 +1,1055 @@
+/*
+ * WiMedia Logical Link Control Protocol (WLP)
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Reinette Chatre <reinette.chatre@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Implementation of the WLP association protocol.
+ *
+ * FIXME: Docs
+ *
+ * A UWB network interface will configure a WSS through wlp_wss_setup() after
+ * the interface has been assigned a MAC address, typically after
+ * "ifconfig" has been called. When the interface goes down it should call
+ * wlp_wss_remove().
+ *
+ * When the WSS is ready for use the user interacts via sysfs to create,
+ * discover, and activate WSS.
+ *
+ * wlp_wss_enroll_activate()
+ *
+ * wlp_wss_create_activate()
+ * 	wlp_wss_set_wssid_hash()
+ * 		wlp_wss_comp_wssid_hash()
+ * 	wlp_wss_sel_bcast_addr()
+ * 	wlp_wss_sysfs_add()
+ *
+ * Called when no more references to WSS exist:
+ * 	wlp_wss_release()
+ * 		wlp_wss_reset()
+ */
+
+#include <linux/etherdevice.h> /* for is_valid_ether_addr */
+#include <linux/skbuff.h>
+#include <linux/wlp.h>
+#define D_LOCAL 5
+#include <linux/uwb/debug.h>
+#include "wlp-internal.h"
+
+
+size_t wlp_wss_key_print(char *buf, size_t bufsize, u8 *key)
+{
+	size_t result;
+
+	result = scnprintf(buf, bufsize,
+			  "%02x %02x %02x %02x %02x %02x "
+			  "%02x %02x %02x %02x %02x %02x "
+			  "%02x %02x %02x %02x",
+			  key[0], key[1], key[2], key[3],
+			  key[4], key[5], key[6], key[7],
+			  key[8], key[9], key[10], key[11],
+			  key[12], key[13], key[14], key[15]);
+	return result;
+}
+
+/**
+ * Compute WSSID hash
+ * WLP Draft 0.99 [7.2.1]
+ *
+ * The WSSID hash for a WSSID is the result of an octet-wise exclusive-OR
+ * of all octets in the WSSID.
+ */
+static
+u8 wlp_wss_comp_wssid_hash(struct wlp_uuid *wssid)
+{
+	return wssid->data[0]  ^ wssid->data[1]  ^ wssid->data[2]
+	       ^ wssid->data[3]  ^ wssid->data[4]  ^ wssid->data[5]
+	       ^ wssid->data[6]  ^ wssid->data[7]  ^ wssid->data[8]
+	       ^ wssid->data[9]  ^ wssid->data[10] ^ wssid->data[11]
+	       ^ wssid->data[12] ^ wssid->data[13] ^ wssid->data[14]
+	       ^ wssid->data[15];
+}
+
+/**
+ * Select a multicast EUI-48 for the WSS broadcast address.
+ * WLP Draft 0.99 [7.2.1]
+ *
+ * Selected based on the WiMedia Alliance OUI, 00-13-88, within the WLP
+ * range, [01-13-88-00-01-00, 01-13-88-00-01-FF] inclusive.
+ *
+ * This address is currently hardcoded.
+ * FIXME?
+ */
+static
+struct uwb_mac_addr wlp_wss_sel_bcast_addr(struct wlp_wss *wss)
+{
+	struct uwb_mac_addr bcast = {
+		.data = { 0x01, 0x13, 0x88, 0x00, 0x01, 0x00 }
+	};
+	return bcast;
+}
+
+/**
+ * Clear the contents of the WSS structure - all except kobj, mutex, virtual
+ *
+ * We do not want to reinitialize - the internal kobj should not change as
+ * it still points to the parent received during setup. The mutex should
+ * remain also. We thus just reset values individually.
+ * The virutal address assigned to WSS will remain the same for the
+ * lifetime of the WSS. We only reset the fields that can change during its
+ * lifetime.
+ */
+void wlp_wss_reset(struct wlp_wss *wss)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	d_fnstart(5, dev, "wss (%p) \n", wss);
+	memset(&wss->wssid, 0, sizeof(wss->wssid));
+	wss->hash = 0;
+	memset(&wss->name[0], 0, sizeof(wss->name));
+	memset(&wss->bcast, 0, sizeof(wss->bcast));
+	wss->secure_status = WLP_WSS_UNSECURE;
+	memset(&wss->master_key[0], 0, sizeof(wss->master_key));
+	wss->tag = 0;
+	wss->state = WLP_WSS_STATE_NONE;
+	d_fnend(5, dev, "wss (%p) \n", wss);
+}
+
+/**
+ * Create sysfs infrastructure for WSS
+ *
+ * The WSS is configured to have the interface as parent (see wlp_wss_setup())
+ * a new sysfs directory that includes wssid as its name is created in the
+ * interface's sysfs directory. The group of files interacting with WSS are
+ * created also.
+ */
+static
+int wlp_wss_sysfs_add(struct wlp_wss *wss, char *wssid_str)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result;
+
+	d_fnstart(5, dev, "wss (%p), wssid: %s\n", wss, wssid_str);
+	result = kobject_set_name(&wss->kobj, "wss-%s", wssid_str);
+	if (result < 0)
+		return result;
+	wss->kobj.ktype = &wss_ktype;
+	result = kobject_init_and_add(&wss->kobj,
+			&wss_ktype, wss->kobj.parent, "wlp");
+	if (result < 0) {
+		dev_err(dev, "WLP: Cannot register WSS kobject.\n");
+		goto error_kobject_register;
+	}
+	result = sysfs_create_group(&wss->kobj, &wss_attr_group);
+	if (result < 0) {
+		dev_err(dev, "WLP: Cannot register WSS attributes: %d\n",
+			result);
+		goto error_sysfs_create_group;
+	}
+	d_fnend(5, dev, "Completed. result = %d \n", result);
+	return 0;
+error_sysfs_create_group:
+
+	kobject_put(&wss->kobj); /* will free name if needed */
+	return result;
+error_kobject_register:
+	kfree(wss->kobj.name);
+	wss->kobj.name = NULL;
+	wss->kobj.ktype = NULL;
+	return result;
+}
+
+
+/**
+ * Release WSS
+ *
+ * No more references exist to this WSS. We should undo everything that was
+ * done in wlp_wss_create_activate() except removing the group. The group
+ * is not removed because an object can be unregistered before the group is
+ * created. We also undo any additional operations on the WSS after this
+ * (addition of members).
+ *
+ * If memory was allocated for the kobject's name then it will
+ * be freed by the kobject system during this time.
+ *
+ * The EDA cache is removed and reinitilized when the WSS is removed. We
+ * thus loose knowledge of members of this WSS at that time and need not do
+ * it here.
+ */
+void wlp_wss_release(struct kobject *kobj)
+{
+	struct wlp_wss *wss = container_of(kobj, struct wlp_wss, kobj);
+
+	wlp_wss_reset(wss);
+}
+
+/**
+ * Enroll into a WSS using provided neighbor as registrar
+ *
+ * First search the neighborhood information to learn which neighbor is
+ * referred to, next proceed with enrollment.
+ *
+ * &wss->mutex is held
+ */
+static
+int wlp_wss_enroll_target(struct wlp_wss *wss, struct wlp_uuid *wssid,
+			  struct uwb_dev_addr *dest)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_neighbor_e *neighbor;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	int result = -ENXIO;
+	struct uwb_dev_addr *dev_addr;
+
+	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+	d_fnstart(5, dev, "wss %p, wssid %s, registrar %02x:%02x \n",
+		  wss, buf, dest->data[1], dest->data[0]);
+	mutex_lock(&wlp->nbmutex);
+	list_for_each_entry(neighbor, &wlp->neighbors, node) {
+		dev_addr = &neighbor->uwb_dev->dev_addr;
+		if (!memcmp(dest, dev_addr, sizeof(*dest))) {
+			d_printf(5, dev, "Neighbor %02x:%02x is valid, "
+				 "enrolling. \n",
+				 dev_addr->data[1], dev_addr->data[0]);
+			result = wlp_enroll_neighbor(wlp, neighbor, wss,
+						     wssid);
+			break;
+		}
+	}
+	if (result == -ENXIO)
+		dev_err(dev, "WLP: Cannot find neighbor %02x:%02x. \n",
+			dest->data[1], dest->data[0]);
+	mutex_unlock(&wlp->nbmutex);
+	d_fnend(5, dev, "wss %p, wssid %s, registrar %02x:%02x, result %d \n",
+		  wss, buf, dest->data[1], dest->data[0], result);
+	return result;
+}
+
+/**
+ * Enroll into a WSS previously discovered
+ *
+ * User provides WSSID of WSS, search for neighbor that has this WSS
+ * activated and attempt to enroll.
+ *
+ * &wss->mutex is held
+ */
+static
+int wlp_wss_enroll_discovered(struct wlp_wss *wss, struct wlp_uuid *wssid)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct wlp_neighbor_e *neighbor;
+	struct wlp_wssid_e *wssid_e;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	int result = -ENXIO;
+
+	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+	d_fnstart(5, dev, "wss %p, wssid %s \n", wss, buf);
+	mutex_lock(&wlp->nbmutex);
+	list_for_each_entry(neighbor, &wlp->neighbors, node) {
+		list_for_each_entry(wssid_e, &neighbor->wssid, node) {
+			if (!memcmp(wssid, &wssid_e->wssid, sizeof(*wssid))) {
+				d_printf(5, dev, "Found WSSID %s in neighbor "
+					 "%02x:%02x cache. \n", buf,
+					 neighbor->uwb_dev->dev_addr.data[1],
+					 neighbor->uwb_dev->dev_addr.data[0]);
+				result = wlp_enroll_neighbor(wlp, neighbor,
+							     wss, wssid);
+				if (result == 0) /* enrollment success */
+					goto out;
+				break;
+			}
+		}
+	}
+out:
+	if (result == -ENXIO)
+		dev_err(dev, "WLP: Cannot find WSSID %s in cache. \n", buf);
+	mutex_unlock(&wlp->nbmutex);
+	d_fnend(5, dev, "wss %p, wssid %s, result %d \n", wss, buf, result);
+	return result;
+}
+
+/**
+ * Enroll into WSS with provided WSSID, registrar may be provided
+ *
+ * @wss: out WSS that will be enrolled
+ * @wssid: wssid of neighboring WSS that we want to enroll in
+ * @devaddr: registrar can be specified, will be broadcast (ff:ff) if any
+ *           neighbor can be used as registrar.
+ *
+ * &wss->mutex is held
+ */
+static
+int wlp_wss_enroll(struct wlp_wss *wss, struct wlp_uuid *wssid,
+		   struct uwb_dev_addr *devaddr)
+{
+	int result;
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	struct uwb_dev_addr bcast = {.data = {0xff, 0xff} };
+
+	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+	if (wss->state != WLP_WSS_STATE_NONE) {
+		dev_err(dev, "WLP: Already enrolled in WSS %s.\n", buf);
+		result = -EEXIST;
+		goto error;
+	}
+	if (!memcmp(&bcast, devaddr, sizeof(bcast))) {
+		d_printf(5, dev, "Request to enroll in discovered WSS "
+			 "with WSSID %s \n", buf);
+		result = wlp_wss_enroll_discovered(wss, wssid);
+	} else {
+		d_printf(5, dev, "Request to enroll in WSSID %s with "
+			 "registrar %02x:%02x\n", buf, devaddr->data[1],
+			 devaddr->data[0]);
+		result = wlp_wss_enroll_target(wss, wssid, devaddr);
+	}
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to enroll into WSS %s, result %d \n",
+			buf, result);
+		goto error;
+	}
+	d_printf(2, dev, "Successfully enrolled into WSS %s \n", buf);
+	result = wlp_wss_sysfs_add(wss, buf);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to set up sysfs for WSS kobject.\n");
+		wlp_wss_reset(wss);
+	}
+error:
+	return result;
+
+}
+
+/**
+ * Activate given WSS
+ *
+ * Prior to activation a WSS must be enrolled. To activate a WSS a device
+ * includes the WSS hash in the WLP IE in its beacon in each superframe.
+ * WLP 0.99 [7.2.5].
+ *
+ * The WSS tag is also computed at this time. We only support one activated
+ * WSS so we can use the hash as a tag - there will never be a conflict.
+ *
+ * We currently only support one activated WSS so only one WSS hash is
+ * included in the WLP IE.
+ */
+static
+int wlp_wss_activate(struct wlp_wss *wss)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct uwb_rc *uwb_rc = wlp->rc;
+	int result;
+	struct {
+		struct wlp_ie wlp_ie;
+		u8 hash; /* only include one hash */
+	} ie_data;
+
+	d_fnstart(5, dev, "Activating WSS %p. \n", wss);
+	BUG_ON(wss->state != WLP_WSS_STATE_ENROLLED);
+	wss->hash = wlp_wss_comp_wssid_hash(&wss->wssid);
+	wss->tag = wss->hash;
+	memset(&ie_data, 0, sizeof(ie_data));
+	ie_data.wlp_ie.hdr.element_id = UWB_IE_WLP;
+	ie_data.wlp_ie.hdr.length = sizeof(ie_data) - sizeof(struct uwb_ie_hdr);
+	wlp_ie_set_hash_length(&ie_data.wlp_ie, sizeof(ie_data.hash));
+	ie_data.hash = wss->hash;
+	result = uwb_rc_ie_add(uwb_rc, &ie_data.wlp_ie.hdr,
+			       sizeof(ie_data));
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to add WLP IE to beacon. "
+			"result = %d.\n", result);
+		goto error_wlp_ie;
+	}
+	wss->state = WLP_WSS_STATE_ACTIVE;
+	result = 0;
+error_wlp_ie:
+	d_fnend(5, dev, "Activating WSS %p, result = %d \n", wss, result);
+	return result;
+}
+
+/**
+ * Enroll in and activate WSS identified by provided WSSID
+ *
+ * The neighborhood cache should contain a list of all neighbors and the
+ * WSS they have activated. Based on that cache we search which neighbor we
+ * can perform the association process with. The user also has option to
+ * specify which neighbor it prefers as registrar.
+ * Successful enrollment is followed by activation.
+ * Successful activation will create the sysfs directory containing
+ * specific information regarding this WSS.
+ */
+int wlp_wss_enroll_activate(struct wlp_wss *wss, struct wlp_uuid *wssid,
+			    struct uwb_dev_addr *devaddr)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = 0;
+	char buf[WLP_WSS_UUID_STRSIZE];
+
+	d_fnstart(5, dev, "Enrollment and activation requested. \n");
+	mutex_lock(&wss->mutex);
+	result = wlp_wss_enroll(wss, wssid, devaddr);
+	if (result < 0) {
+		wlp_wss_uuid_print(buf, sizeof(buf), &wss->wssid);
+		dev_err(dev, "WLP: Enrollment into WSS %s failed.\n", buf);
+		goto error_enroll;
+	}
+	result = wlp_wss_activate(wss);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to activate WSS. Undoing enrollment "
+			"result = %d \n", result);
+		/* Undo enrollment */
+		wlp_wss_reset(wss);
+		goto error_activate;
+	}
+error_activate:
+error_enroll:
+	mutex_unlock(&wss->mutex);
+	d_fnend(5, dev, "Completed. result = %d \n", result);
+	return result;
+}
+
+/**
+ * Create, enroll, and activate a new WSS
+ *
+ * @wssid: new wssid provided by user
+ * @name:  WSS name requested by used.
+ * @sec_status: security status requested by user
+ *
+ * A user requested the creation of a new WSS. All operations are done
+ * locally. The new WSS will be stored locally, the hash will be included
+ * in the WLP IE, and the sysfs infrastructure for this WSS will be
+ * created.
+ */
+int wlp_wss_create_activate(struct wlp_wss *wss, struct wlp_uuid *wssid,
+			    char *name, unsigned sec_status, unsigned accept)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = 0;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	d_fnstart(5, dev, "Request to create new WSS.\n");
+	result = wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+	d_printf(5, dev, "Request to create WSS: WSSID=%s, name=%s, "
+		 "sec_status=%u, accepting enrollment=%u \n",
+		 buf, name, sec_status, accept);
+	if (!mutex_trylock(&wss->mutex)) {
+		dev_err(dev, "WLP: WLP association session in progress.\n");
+		return -EBUSY;
+	}
+	if (wss->state != WLP_WSS_STATE_NONE) {
+		dev_err(dev, "WLP: WSS already exists. Not creating new.\n");
+		result = -EEXIST;
+		goto out;
+	}
+	if (wss->kobj.parent == NULL) {
+		dev_err(dev, "WLP: WSS parent not ready. Is network interface "
+		       "up?\n");
+		result = -ENXIO;
+		goto out;
+	}
+	if (sec_status == WLP_WSS_SECURE) {
+		dev_err(dev, "WLP: FIXME Creation of secure WSS not "
+			"supported yet.\n");
+		result = -EINVAL;
+		goto out;
+	}
+	wss->wssid = *wssid;
+	memcpy(wss->name, name, sizeof(wss->name));
+	wss->bcast = wlp_wss_sel_bcast_addr(wss);
+	wss->secure_status = sec_status;
+	wss->accept_enroll = accept;
+	/*wss->virtual_addr is initialized in call to wlp_wss_setup*/
+	/* sysfs infrastructure */
+	result = wlp_wss_sysfs_add(wss, buf);
+	if (result < 0) {
+		dev_err(dev, "Cannot set up sysfs for WSS kobject.\n");
+		wlp_wss_reset(wss);
+		goto out;
+	} else
+		result = 0;
+	wss->state = WLP_WSS_STATE_ENROLLED;
+	result = wlp_wss_activate(wss);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to activate WSS. Undoing "
+			"enrollment\n");
+		wlp_wss_reset(wss);
+		goto out;
+	}
+	result = 0;
+out:
+	mutex_unlock(&wss->mutex);
+	d_fnend(5, dev, "Completed. result = %d \n", result);
+	return result;
+}
+
+/**
+ * Determine if neighbor has WSS activated
+ *
+ * @returns: 1 if neighbor has WSS activated, zero otherwise
+ *
+ * This can be done in two ways:
+ * - send a C1 frame, parse C2/F0 response
+ * - examine the WLP IE sent by the neighbor
+ *
+ * The WLP IE is not fully supported in hardware so we use the C1/C2 frame
+ * exchange to determine if a WSS is activated. Using the WLP IE should be
+ * faster and should be used when it becomes possible.
+ */
+int wlp_wss_is_active(struct wlp *wlp, struct wlp_wss *wss,
+		      struct uwb_dev_addr *dev_addr)
+{
+	int result = 0;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	DECLARE_COMPLETION_ONSTACK(completion);
+	struct wlp_session session;
+	struct sk_buff  *skb;
+	struct wlp_frame_assoc *resp;
+	struct wlp_uuid wssid;
+
+	wlp_wss_uuid_print(buf, sizeof(buf), &wss->wssid);
+	d_fnstart(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
+		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
+	mutex_lock(&wlp->mutex);
+	/* Send C1 association frame */
+	result = wlp_send_assoc_frame(wlp, wss, dev_addr, WLP_ASSOC_C1);
+	if (result < 0) {
+		dev_err(dev, "Unable to send C1 frame to neighbor "
+			"%02x:%02x (%d)\n", dev_addr->data[1],
+			dev_addr->data[0], result);
+		result = 0;
+		goto out;
+	}
+	/* Create session, wait for response */
+	session.exp_message = WLP_ASSOC_C2;
+	session.cb = wlp_session_cb;
+	session.cb_priv = &completion;
+	session.neighbor_addr = *dev_addr;
+	BUG_ON(wlp->session != NULL);
+	wlp->session = &session;
+	/* Wait for C2/F0 frame */
+	result = wait_for_completion_interruptible_timeout(&completion,
+						   WLP_PER_MSG_TIMEOUT * HZ);
+	if (result == 0) {
+		dev_err(dev, "Timeout while sending C1 to neighbor "
+			     "%02x:%02x.\n", dev_addr->data[1],
+			     dev_addr->data[0]);
+		goto out;
+	}
+	if (result < 0) {
+		dev_err(dev, "Unable to send C1 to neighbor %02x:%02x.\n",
+			dev_addr->data[1], dev_addr->data[0]);
+		result = 0;
+		goto out;
+	}
+	/* Parse message in session->data: it will be either C2 or F0 */
+	skb = session.data;
+	resp = (void *) skb->data;
+	d_printf(5, dev, "Received response to C1 frame. \n");
+	d_dump(5, dev, skb->data, skb->len > 72 ? 72 : skb->len);
+	if (resp->type == WLP_ASSOC_F0) {
+		result = wlp_parse_f0(wlp, skb);
+		if (result < 0)
+			dev_err(dev, "WLP:  unable to parse incoming F0 "
+				"frame from neighbor %02x:%02x.\n",
+				dev_addr->data[1], dev_addr->data[0]);
+		result = 0;
+		goto error_resp_parse;
+	}
+	/* WLP version and message type fields have already been parsed */
+	result = wlp_get_wssid(wlp, (void *)resp + sizeof(*resp), &wssid,
+			       skb->len - sizeof(*resp));
+	if (result < 0) {
+		dev_err(dev, "WLP: unable to obtain WSSID from C2 frame.\n");
+		result = 0;
+		goto error_resp_parse;
+	}
+	if (!memcmp(&wssid, &wss->wssid, sizeof(wssid))) {
+		d_printf(5, dev, "WSSID in C2 frame matches local "
+			 "active WSS.\n");
+		result = 1;
+	} else {
+		dev_err(dev, "WLP: Received a C2 frame without matching "
+			"WSSID.\n");
+		result = 0;
+	}
+error_resp_parse:
+	kfree_skb(skb);
+out:
+	wlp->session = NULL;
+	mutex_unlock(&wlp->mutex);
+	d_fnend(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
+		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
+	return result;
+}
+
+/**
+ * Activate connection with neighbor by updating EDA cache
+ *
+ * @wss:       local WSS to which neighbor wants to connect
+ * @dev_addr:  neighbor's address
+ * @wssid:     neighbor's WSSID - must be same as our WSS's WSSID
+ * @tag:       neighbor's WSS tag used to identify frames transmitted by it
+ * @virt_addr: neighbor's virtual EUI-48
+ */
+static
+int wlp_wss_activate_connection(struct wlp *wlp, struct wlp_wss *wss,
+				struct uwb_dev_addr *dev_addr,
+				struct wlp_uuid *wssid, u8 *tag,
+				struct uwb_mac_addr *virt_addr)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = 0;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	wlp_wss_uuid_print(buf, sizeof(buf), wssid);
+	d_fnstart(5, dev, "wlp %p, wss %p, wssid %s, tag %u, virtual "
+		  "%02x:%02x:%02x:%02x:%02x:%02x \n", wlp, wss, buf, *tag,
+		  virt_addr->data[0], virt_addr->data[1], virt_addr->data[2],
+		  virt_addr->data[3], virt_addr->data[4], virt_addr->data[5]);
+
+	if (!memcmp(wssid, &wss->wssid, sizeof(*wssid))) {
+		d_printf(5, dev, "WSSID from neighbor frame matches local "
+			 "active WSS.\n");
+		/* Update EDA cache */
+		result = wlp_eda_update_node(&wlp->eda, dev_addr, wss,
+					     (void *) virt_addr->data, *tag,
+					     WLP_WSS_CONNECTED);
+		if (result < 0)
+			dev_err(dev, "WLP: Unable to update EDA cache "
+				"with new connected neighbor information.\n");
+	} else {
+		dev_err(dev, "WLP: Neighbor does not have matching "
+			"WSSID.\n");
+		result = -EINVAL;
+	}
+
+	d_fnend(5, dev, "wlp %p, wss %p, wssid %s, tag %u, virtual "
+		  "%02x:%02x:%02x:%02x:%02x:%02x, result = %d \n",
+		  wlp, wss, buf, *tag,
+		  virt_addr->data[0], virt_addr->data[1], virt_addr->data[2],
+		  virt_addr->data[3], virt_addr->data[4], virt_addr->data[5],
+		  result);
+
+	return result;
+}
+
+/**
+ * Connect to WSS neighbor
+ *
+ * Use C3/C4 exchange to determine if neighbor has WSS activated and
+ * retrieve the WSS tag and virtual EUI-48 of the neighbor.
+ */
+static
+int wlp_wss_connect_neighbor(struct wlp *wlp, struct wlp_wss *wss,
+			     struct uwb_dev_addr *dev_addr)
+{
+	int result;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	char buf[WLP_WSS_UUID_STRSIZE];
+	struct wlp_uuid wssid;
+	u8 tag;
+	struct uwb_mac_addr virt_addr;
+	DECLARE_COMPLETION_ONSTACK(completion);
+	struct wlp_session session;
+	struct wlp_frame_assoc *resp;
+	struct sk_buff *skb;
+
+	wlp_wss_uuid_print(buf, sizeof(buf), &wss->wssid);
+	d_fnstart(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
+		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
+	mutex_lock(&wlp->mutex);
+	/* Send C3 association frame */
+	result = wlp_send_assoc_frame(wlp, wss, dev_addr, WLP_ASSOC_C3);
+	if (result < 0) {
+		dev_err(dev, "Unable to send C3 frame to neighbor "
+			"%02x:%02x (%d)\n", dev_addr->data[1],
+			dev_addr->data[0], result);
+		goto out;
+	}
+	/* Create session, wait for response */
+	session.exp_message = WLP_ASSOC_C4;
+	session.cb = wlp_session_cb;
+	session.cb_priv = &completion;
+	session.neighbor_addr = *dev_addr;
+	BUG_ON(wlp->session != NULL);
+	wlp->session = &session;
+	/* Wait for C4/F0 frame */
+	result = wait_for_completion_interruptible_timeout(&completion,
+						   WLP_PER_MSG_TIMEOUT * HZ);
+	if (result == 0) {
+		dev_err(dev, "Timeout while sending C3 to neighbor "
+			     "%02x:%02x.\n", dev_addr->data[1],
+			     dev_addr->data[0]);
+		result = -ETIMEDOUT;
+		goto out;
+	}
+	if (result < 0) {
+		dev_err(dev, "Unable to send C3 to neighbor %02x:%02x.\n",
+			dev_addr->data[1], dev_addr->data[0]);
+		goto out;
+	}
+	/* Parse message in session->data: it will be either C4 or F0 */
+	skb = session.data;
+	resp = (void *) skb->data;
+	d_printf(5, dev, "Received response to C3 frame. \n");
+	d_dump(5, dev, skb->data, skb->len > 72 ? 72 : skb->len);
+	if (resp->type == WLP_ASSOC_F0) {
+		result = wlp_parse_f0(wlp, skb);
+		if (result < 0)
+			dev_err(dev, "WLP: unable to parse incoming F0 "
+				"frame from neighbor %02x:%02x.\n",
+				dev_addr->data[1], dev_addr->data[0]);
+		result = -EINVAL;
+		goto error_resp_parse;
+	}
+	result = wlp_parse_c3c4_frame(wlp, skb, &wssid, &tag, &virt_addr);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to parse C4 frame from neighbor.\n");
+		goto error_resp_parse;
+	}
+	result = wlp_wss_activate_connection(wlp, wss, dev_addr, &wssid, &tag,
+					     &virt_addr);
+	if (result < 0) {
+		dev_err(dev, "WLP: Unable to activate connection to "
+			"neighbor %02x:%02x.\n", dev_addr->data[1],
+			dev_addr->data[0]);
+		goto error_resp_parse;
+	}
+error_resp_parse:
+	kfree_skb(skb);
+out:
+	/* Record that we unsuccessfully tried to connect to this neighbor */
+	if (result < 0)
+		wlp_eda_update_node_state(&wlp->eda, dev_addr,
+					  WLP_WSS_CONNECT_FAILED);
+	wlp->session = NULL;
+	mutex_unlock(&wlp->mutex);
+	d_fnend(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
+		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
+	return result;
+}
+
+/**
+ * Connect to neighbor with common WSS, send pending frame
+ *
+ * This function is scheduled when a frame is destined to a neighbor with
+ * which we do not have a connection. A copy of the EDA cache entry is
+ * provided - not the actual cache entry (because it is protected by a
+ * spinlock).
+ *
+ * First determine if neighbor has the same WSS activated, connect if it
+ * does. The C3/C4 exchange is dual purpose to determine if neighbor has
+ * WSS activated and proceed with the connection.
+ *
+ * The frame that triggered the connection setup is sent after connection
+ * setup.
+ *
+ * network queue is stopped - we need to restart when done
+ *
+ */
+static
+void wlp_wss_connect_send(struct work_struct *ws)
+{
+	struct wlp_assoc_conn_ctx *conn_ctx = container_of(ws,
+						  struct wlp_assoc_conn_ctx,
+						  ws);
+	struct wlp *wlp = conn_ctx->wlp;
+	struct sk_buff *skb = conn_ctx->skb;
+	struct wlp_eda_node *eda_entry = &conn_ctx->eda_entry;
+	struct uwb_dev_addr *dev_addr = &eda_entry->dev_addr;
+	struct wlp_wss *wss = &wlp->wss;
+	int result;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	char buf[WLP_WSS_UUID_STRSIZE];
+
+	mutex_lock(&wss->mutex);
+	wlp_wss_uuid_print(buf, sizeof(buf), &wss->wssid);
+	d_fnstart(5, dev, "wlp %p, wss %p (wssid %s), neighbor %02x:%02x \n",
+		  wlp, wss, buf, dev_addr->data[1], dev_addr->data[0]);
+	if (wss->state < WLP_WSS_STATE_ACTIVE) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Attempting to connect with "
+				"WSS that is not active or connected.\n");
+		dev_kfree_skb(skb);
+		goto out;
+	}
+	/* Establish connection - send C3 rcv C4 */
+	result = wlp_wss_connect_neighbor(wlp, wss, dev_addr);
+	if (result < 0) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Unable to establish connection "
+				"with neighbor %02x:%02x.\n",
+				dev_addr->data[1], dev_addr->data[0]);
+		dev_kfree_skb(skb);
+		goto out;
+	}
+	/* EDA entry changed, update the local copy being used */
+	result = wlp_copy_eda_node(&wlp->eda, dev_addr, eda_entry);
+	if (result < 0) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Cannot find EDA entry for "
+				"neighbor %02x:%02x \n",
+				dev_addr->data[1], dev_addr->data[0]);
+	}
+	result = wlp_wss_prep_hdr(wlp, eda_entry, skb);
+	if (result < 0) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Unable to prepare frame header for "
+				"transmission (neighbor %02x:%02x). \n",
+				dev_addr->data[1], dev_addr->data[0]);
+		dev_kfree_skb(skb);
+		goto out;
+	}
+	BUG_ON(wlp->xmit_frame == NULL);
+	result = wlp->xmit_frame(wlp, skb, dev_addr);
+	if (result < 0) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Unable to transmit frame: %d\n",
+				result);
+		if (result == -ENXIO)
+			dev_err(dev, "WLP: Is network interface up? \n");
+		/* We could try again ... */
+		dev_kfree_skb(skb);/*we need to free if tx fails */
+	}
+out:
+	kfree(conn_ctx);
+	BUG_ON(wlp->start_queue == NULL);
+	wlp->start_queue(wlp);
+	mutex_unlock(&wss->mutex);
+	d_fnend(5, dev, "wlp %p, wss %p (wssid %s)\n", wlp, wss, buf);
+}
+
+/**
+ * Add WLP header to outgoing skb
+ *
+ * @eda_entry: pointer to neighbor's entry in the EDA cache
+ * @_skb:      skb containing data destined to the neighbor
+ */
+int wlp_wss_prep_hdr(struct wlp *wlp, struct wlp_eda_node *eda_entry,
+		     void *_skb)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = 0;
+	unsigned char *eth_addr = eda_entry->eth_addr;
+	struct uwb_dev_addr *dev_addr = &eda_entry->dev_addr;
+	struct sk_buff *skb = _skb;
+	struct wlp_frame_std_abbrv_hdr *std_hdr;
+
+	d_fnstart(6, dev, "wlp %p \n", wlp);
+	if (eda_entry->state == WLP_WSS_CONNECTED) {
+		/* Add WLP header */
+		BUG_ON(skb_headroom(skb) < sizeof(*std_hdr));
+		std_hdr = (void *) __skb_push(skb, sizeof(*std_hdr));
+		std_hdr->hdr.mux_hdr = cpu_to_le16(WLP_PROTOCOL_ID);
+		std_hdr->hdr.type = WLP_FRAME_STANDARD;
+		std_hdr->tag = eda_entry->wss->tag;
+	} else {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Destination neighbor (Ethernet: "
+				"%02x:%02x:%02x:%02x:%02x:%02x, Dev: "
+				"%02x:%02x) is not connected. \n", eth_addr[0],
+				eth_addr[1], eth_addr[2], eth_addr[3],
+				eth_addr[4], eth_addr[5], dev_addr->data[1],
+				dev_addr->data[0]);
+		result = -EINVAL;
+	}
+	d_fnend(6, dev, "wlp %p \n", wlp);
+	return result;
+}
+
+
+/**
+ * Prepare skb for neighbor: connect if not already and prep WLP header
+ *
+ * This function is called in interrupt context, but it needs to sleep. We
+ * temporarily stop the net queue to establish the WLP connection.
+ * Setup of the WLP connection and restart of queue is scheduled
+ * on the default work queue.
+ *
+ * run with eda->lock held (spinlock)
+ */
+int wlp_wss_connect_prep(struct wlp *wlp, struct wlp_eda_node *eda_entry,
+			 void *_skb)
+{
+	int result = 0;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct uwb_dev_addr *dev_addr = &eda_entry->dev_addr;
+	unsigned char *eth_addr = eda_entry->eth_addr;
+	struct sk_buff *skb = _skb;
+	struct wlp_assoc_conn_ctx *conn_ctx;
+
+	d_fnstart(5, dev, "wlp %p\n", wlp);
+	d_printf(5, dev, "To neighbor %02x:%02x with eth "
+		  "%02x:%02x:%02x:%02x:%02x:%02x\n", dev_addr->data[1],
+		  dev_addr->data[0], eth_addr[0], eth_addr[1], eth_addr[2],
+		  eth_addr[3], eth_addr[4], eth_addr[5]);
+	if (eda_entry->state == WLP_WSS_UNCONNECTED) {
+		/* We don't want any more packets while we set up connection */
+		BUG_ON(wlp->stop_queue == NULL);
+		wlp->stop_queue(wlp);
+		conn_ctx = kmalloc(sizeof(*conn_ctx), GFP_ATOMIC);
+		if (conn_ctx == NULL) {
+			if (printk_ratelimit())
+				dev_err(dev, "WLP: Unable to allocate memory "
+					"for connection handling.\n");
+			result = -ENOMEM;
+			goto out;
+		}
+		conn_ctx->wlp = wlp;
+		conn_ctx->skb = skb;
+		conn_ctx->eda_entry = *eda_entry;
+		INIT_WORK(&conn_ctx->ws, wlp_wss_connect_send);
+		schedule_work(&conn_ctx->ws);
+		result = 1;
+	} else if (eda_entry->state == WLP_WSS_CONNECT_FAILED) {
+		/* Previous connection attempts failed, don't retry - see
+		 * conditions for connection in WLP 0.99 [7.6.2] */
+		if (printk_ratelimit())
+			dev_err(dev, "Could not connect to neighbor "
+			 "previously. Not retrying. \n");
+		result = -ENONET;
+		goto out;
+	} else { /* eda_entry->state == WLP_WSS_CONNECTED */
+		d_printf(5, dev, "Neighbor is connected, preparing frame.\n");
+		result = wlp_wss_prep_hdr(wlp, eda_entry, skb);
+	}
+out:
+	d_fnend(5, dev, "wlp %p, result = %d \n", wlp, result);
+	return result;
+}
+
+/**
+ * Emulate broadcast: copy skb, send copy to neighbor (connect if not already)
+ *
+ * We need to copy skbs in the case where we emulate broadcast through
+ * unicast. We copy instead of clone because we are modifying the data of
+ * the frame after copying ... clones share data so we cannot emulate
+ * broadcast using clones.
+ *
+ * run with eda->lock held (spinlock)
+ */
+int wlp_wss_send_copy(struct wlp *wlp, struct wlp_eda_node *eda_entry,
+		      void *_skb)
+{
+	int result = -ENOMEM;
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	struct sk_buff *skb = _skb;
+	struct sk_buff *copy;
+	struct uwb_dev_addr *dev_addr = &eda_entry->dev_addr;
+
+	d_fnstart(5, dev, "to neighbor %02x:%02x, skb (%p) \n",
+		  dev_addr->data[1], dev_addr->data[0], skb);
+	copy = skb_copy(skb, GFP_ATOMIC);
+	if (copy == NULL) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Unable to copy skb for "
+				"transmission.\n");
+		goto out;
+	}
+	result = wlp_wss_connect_prep(wlp, eda_entry, copy);
+	if (result < 0) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Unable to connect/send skb "
+				"to neighbor.\n");
+		dev_kfree_skb_irq(copy);
+		goto out;
+	} else if (result == 1)
+		/* Frame will be transmitted separately */
+		goto out;
+	BUG_ON(wlp->xmit_frame == NULL);
+	result = wlp->xmit_frame(wlp, copy, dev_addr);
+	if (result < 0) {
+		if (printk_ratelimit())
+			dev_err(dev, "WLP: Unable to transmit frame: %d\n",
+				result);
+		if ((result == -ENXIO) && printk_ratelimit())
+			dev_err(dev, "WLP: Is network interface up? \n");
+		/* We could try again ... */
+		dev_kfree_skb_irq(copy);/*we need to free if tx fails */
+	}
+out:
+	d_fnend(5, dev, "to neighbor %02x:%02x \n", dev_addr->data[1],
+		  dev_addr->data[0]);
+	return result;
+}
+
+
+/**
+ * Setup WSS
+ *
+ * Should be called by network driver after the interface has been given a
+ * MAC address.
+ */
+int wlp_wss_setup(struct net_device *net_dev, struct wlp_wss *wss)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	int result = 0;
+	d_fnstart(5, dev, "wss (%p) \n", wss);
+	mutex_lock(&wss->mutex);
+	wss->kobj.parent = &net_dev->dev.kobj;
+	if (!is_valid_ether_addr(net_dev->dev_addr)) {
+		dev_err(dev, "WLP: Invalid MAC address. Cannot use for"
+		       "virtual.\n");
+		result = -EINVAL;
+		goto out;
+	}
+	memcpy(wss->virtual_addr.data, net_dev->dev_addr,
+	       sizeof(wss->virtual_addr.data));
+out:
+	mutex_unlock(&wss->mutex);
+	d_fnend(5, dev, "wss (%p) \n", wss);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wlp_wss_setup);
+
+/**
+ * Remove WSS
+ *
+ * Called by client that configured WSS through wlp_wss_setup(). This
+ * function is called when client no longer needs WSS, eg. client shuts
+ * down.
+ *
+ * We remove the WLP IE from the beacon before initiating local cleanup.
+ */
+void wlp_wss_remove(struct wlp_wss *wss)
+{
+	struct wlp *wlp = container_of(wss, struct wlp, wss);
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	d_fnstart(5, dev, "wss (%p) \n", wss);
+	mutex_lock(&wss->mutex);
+	if (wss->state == WLP_WSS_STATE_ACTIVE)
+		uwb_rc_ie_rm(wlp->rc, UWB_IE_WLP);
+	if (wss->state != WLP_WSS_STATE_NONE) {
+		sysfs_remove_group(&wss->kobj, &wss_attr_group);
+		kobject_put(&wss->kobj);
+	}
+	wss->kobj.parent = NULL;
+	memset(&wss->virtual_addr, 0, sizeof(wss->virtual_addr));
+	/* Cleanup EDA cache */
+	wlp_eda_release(&wlp->eda);
+	wlp_eda_init(&wlp->eda);
+	mutex_unlock(&wss->mutex);
+	d_fnend(5, dev, "wss (%p) \n", wss);
+}
+EXPORT_SYMBOL_GPL(wlp_wss_remove);
-- 
GitLab


From 3b0c5a3818555988b6235144e0174b1a512719b7 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 17 Sep 2008 16:34:19 +0100
Subject: [PATCH 0169/2224] uwb: add WiMedia LLC Protocol (build system)

Add the WLP build system (Kconfig and Kbuild files).

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/Kconfig      |  7 +++++++
 drivers/uwb/Makefile     |  1 +
 drivers/uwb/wlp/Makefile | 10 ++++++++++
 3 files changed, 18 insertions(+)
 create mode 100644 drivers/uwb/wlp/Makefile

diff --git a/drivers/uwb/Kconfig b/drivers/uwb/Kconfig
index a442f39f354..41f8984d198 100644
--- a/drivers/uwb/Kconfig
+++ b/drivers/uwb/Kconfig
@@ -57,4 +57,11 @@ config UWB_WHCI
           To compile this driver select Y (built in) or M (module). It
           is safe to select any even if you do not have the hardware.
 
+config UWB_WLP
+	tristate "Support WiMedia Link Protocol (Ethernet/IP over UWB)"
+	depends on UWB && NET
+	help
+	  This is a common library for drivers that implement
+	  networking over UWB.
+
 endif # UWB
diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index 6bdb8e7f91c..79f48e3d4ec 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_UWB)		+= uwb.o
+obj-$(CONFIG_UWB_WLP)		+= wlp/
 obj-$(CONFIG_UWB_WHCI)		+= umc.o whci.o whc-rc.o
 obj-$(CONFIG_UWB_HWA)		+= hwa-rc.o
 
diff --git a/drivers/uwb/wlp/Makefile b/drivers/uwb/wlp/Makefile
new file mode 100644
index 00000000000..c72c11db5b1
--- /dev/null
+++ b/drivers/uwb/wlp/Makefile
@@ -0,0 +1,10 @@
+obj-$(CONFIG_UWB_WLP) := wlp.o
+
+wlp-objs :=	\
+	driver.o	\
+	eda.o		\
+	messages.o	\
+	sysfs.o		\
+	txrx.o		\
+	wlp-lc.o	\
+	wss-lc.o
-- 
GitLab


From 1ba47da527121ff704f4e9f27a12c9f32db05022 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:20 +0100
Subject: [PATCH 0170/2224] uwb: add the i1480 DFU driver

Add the driver for downloading the firmware to an Intel i1480 device.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/Kconfig               |  12 +
 drivers/uwb/Makefile              |   1 +
 drivers/uwb/i1480/Makefile        |   1 +
 drivers/uwb/i1480/dfu/Makefile    |   9 +
 drivers/uwb/i1480/dfu/dfu.c       | 281 ++++++++++++++++
 drivers/uwb/i1480/dfu/i1480-dfu.h | 263 +++++++++++++++
 drivers/uwb/i1480/dfu/mac.c       | 529 ++++++++++++++++++++++++++++++
 drivers/uwb/i1480/dfu/phy.c       | 203 ++++++++++++
 drivers/uwb/i1480/dfu/usb.c       | 500 ++++++++++++++++++++++++++++
 drivers/uwb/i1480/i1480-est.c     |  99 ++++++
 10 files changed, 1898 insertions(+)
 create mode 100644 drivers/uwb/i1480/Makefile
 create mode 100644 drivers/uwb/i1480/dfu/Makefile
 create mode 100644 drivers/uwb/i1480/dfu/dfu.c
 create mode 100644 drivers/uwb/i1480/dfu/i1480-dfu.h
 create mode 100644 drivers/uwb/i1480/dfu/mac.c
 create mode 100644 drivers/uwb/i1480/dfu/phy.c
 create mode 100644 drivers/uwb/i1480/dfu/usb.c
 create mode 100644 drivers/uwb/i1480/i1480-est.c

diff --git a/drivers/uwb/Kconfig b/drivers/uwb/Kconfig
index 41f8984d198..59acb5b001d 100644
--- a/drivers/uwb/Kconfig
+++ b/drivers/uwb/Kconfig
@@ -64,4 +64,16 @@ config UWB_WLP
 	  This is a common library for drivers that implement
 	  networking over UWB.
 
+config UWB_I1480U
+        tristate "Support for Intel Wireless UWB Link 1480 HWA"
+        depends on UWB_HWA
+        select FW_LOADER
+        help
+         This driver enables support for the i1480 when connected via
+         USB. It consists of a firmware uploader that will enable it
+         to behave as an HWA device.
+
+         To compile this driver select Y (built in) or M (module). It
+         is safe to select any even if you do not have the hardware.
+
 endif # UWB
diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile
index 79f48e3d4ec..257e6908304 100644
--- a/drivers/uwb/Makefile
+++ b/drivers/uwb/Makefile
@@ -2,6 +2,7 @@ obj-$(CONFIG_UWB)		+= uwb.o
 obj-$(CONFIG_UWB_WLP)		+= wlp/
 obj-$(CONFIG_UWB_WHCI)		+= umc.o whci.o whc-rc.o
 obj-$(CONFIG_UWB_HWA)		+= hwa-rc.o
+obj-$(CONFIG_UWB_I1480U)	+= i1480/
 
 uwb-objs :=		\
 	address.o	\
diff --git a/drivers/uwb/i1480/Makefile b/drivers/uwb/i1480/Makefile
new file mode 100644
index 00000000000..d69da1684cf
--- /dev/null
+++ b/drivers/uwb/i1480/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_UWB_I1480U)	+= dfu/ i1480-est.o
diff --git a/drivers/uwb/i1480/dfu/Makefile b/drivers/uwb/i1480/dfu/Makefile
new file mode 100644
index 00000000000..bd1b9f25424
--- /dev/null
+++ b/drivers/uwb/i1480/dfu/Makefile
@@ -0,0 +1,9 @@
+obj-$(CONFIG_UWB_I1480U)	+= i1480-dfu-usb.o
+
+i1480-dfu-usb-objs := \
+	dfu.o 	\
+	mac.o	\
+	phy.o	\
+	usb.o
+
+
diff --git a/drivers/uwb/i1480/dfu/dfu.c b/drivers/uwb/i1480/dfu/dfu.c
new file mode 100644
index 00000000000..ebffaf54215
--- /dev/null
+++ b/drivers/uwb/i1480/dfu/dfu.c
@@ -0,0 +1,281 @@
+/*
+ * Intel Wireless UWB Link 1480
+ * Main driver
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Common code for firmware upload used by the USB and PCI version;
+ * i1480_fw_upload() takes a device descriptor and uses the function
+ * pointers it provides to upload firmware and prepare the PHY.
+ *
+ * As well, provides common functions used by the rest of the code.
+ */
+#include "i1480-dfu.h"
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/device.h>
+#include <linux/uwb.h>
+#include <linux/random.h>
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/** @return 0 if If @evt is a valid reply event; otherwise complain */
+int i1480_rceb_check(const struct i1480 *i1480, const struct uwb_rceb *rceb,
+		     const char *cmd, u8 context,
+		     unsigned expected_type, unsigned expected_event)
+{
+	int result = 0;
+	struct device *dev = i1480->dev;
+	if (rceb->bEventContext != context) {
+		dev_err(dev, "%s: "
+			"unexpected context id 0x%02x (expected 0x%02x)\n",
+			cmd, rceb->bEventContext, context);
+		result = -EINVAL;
+	}
+	if (rceb->bEventType != expected_type) {
+		dev_err(dev, "%s: "
+			"unexpected event type 0x%02x (expected 0x%02x)\n",
+			cmd, rceb->bEventType, expected_type);
+		result = -EINVAL;
+	}
+	if (le16_to_cpu(rceb->wEvent) != expected_event) {
+		dev_err(dev, "%s: "
+			"unexpected event 0x%04x (expected 0x%04x)\n",
+			cmd, le16_to_cpu(rceb->wEvent), expected_event);
+		result = -EINVAL;
+	}
+	return result;
+}
+EXPORT_SYMBOL_GPL(i1480_rceb_check);
+
+
+/**
+ * Execute a Radio Control Command
+ *
+ * Command data has to be in i1480->cmd_buf.
+ *
+ * @returns size of the reply data filled in i1480->evt_buf or < 0 errno
+ *          code on error.
+ */
+ssize_t i1480_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size,
+		  size_t reply_size)
+{
+	ssize_t result;
+	struct uwb_rceb *reply = i1480->evt_buf;
+	struct uwb_rccb *cmd = i1480->cmd_buf;
+	u16 expected_event = reply->wEvent;
+	u8 expected_type = reply->bEventType;
+	u8 context;
+
+	d_fnstart(3, i1480->dev, "(%p, %s, %zu)\n", i1480, cmd_name, cmd_size);
+	init_completion(&i1480->evt_complete);
+	i1480->evt_result = -EINPROGRESS;
+	do {
+		get_random_bytes(&context, 1);
+	} while (context == 0x00 || context == 0xff);
+	cmd->bCommandContext = context;
+	result = i1480->cmd(i1480, cmd_name, cmd_size);
+	if (result < 0)
+		goto error;
+	/* wait for the callback to report a event was received */
+	result = wait_for_completion_interruptible_timeout(
+		&i1480->evt_complete, HZ);
+	if (result == 0) {
+		result = -ETIMEDOUT;
+		goto error;
+	}
+	if (result < 0)
+		goto error;
+	result = i1480->evt_result;
+	if (result < 0) {
+		dev_err(i1480->dev, "%s: command reply reception failed: %zd\n",
+			cmd_name, result);
+		goto error;
+	}
+	if (result != reply_size) {
+		dev_err(i1480->dev, "%s returned only %zu bytes, %zu expected\n",
+			cmd_name, result, reply_size);
+		result = -EINVAL;
+		goto error;
+	}
+	/* Verify we got the right event in response */
+	result = i1480_rceb_check(i1480, i1480->evt_buf, cmd_name, context,
+				  expected_type, expected_event);
+error:
+	d_fnend(3, i1480->dev, "(%p, %s, %zu) = %zd\n",
+		i1480, cmd_name, cmd_size, result);
+	return result;
+}
+EXPORT_SYMBOL_GPL(i1480_cmd);
+
+
+/**
+ * Get information about the MAC and PHY
+ *
+ * @wa:      Wired adaptor
+ * @neh:     Notification/event handler
+ * @reply:   Pointer to the reply event buffer
+ * @returns: 0 if ok, < 0 errno code on error.
+ */
+static
+int i1480_cmd_get_mac_phy_info(struct i1480 *i1480)
+{
+	int result;
+	struct uwb_rccb *cmd = i1480->cmd_buf;
+	struct i1480_evt_confirm_GMPI *reply = i1480->evt_buf;
+
+	cmd->bCommandType = i1480_CET_VS1;
+	cmd->wCommand = cpu_to_le16(i1480_CMD_GET_MAC_PHY_INFO);
+	reply->rceb.bEventType = i1480_CET_VS1;
+	reply->rceb.wEvent = i1480_EVT_GET_MAC_PHY_INFO;
+	result = i1480_cmd(i1480, "GET_MAC_PHY_INFO", sizeof(*cmd),
+			   sizeof(*reply));
+	if (result < 0)
+		goto out;
+	if (le16_to_cpu(reply->status) != 0x00) {
+		dev_err(i1480->dev,
+			"GET_MAC_PHY_INFO: command execution failed: %d\n",
+			reply->status);
+		result = -EIO;
+	}
+out:
+	return result;
+}
+
+
+/**
+ * Get i1480's info and print it
+ *
+ * @wa:      Wire Adapter
+ * @neh:     Notification/event handler
+ * @returns: 0 if ok, < 0 errno code on error.
+ */
+static
+int i1480_check_info(struct i1480 *i1480)
+{
+	struct i1480_evt_confirm_GMPI *reply = i1480->evt_buf;
+	int result;
+	unsigned mac_fw_rev;
+#if i1480_FW <= 0x00000302
+	unsigned phy_fw_rev;
+#endif
+	if (i1480->quirk_no_check_info) {
+		dev_err(i1480->dev, "firmware info check disabled\n");
+		return 0;
+	}
+
+	result = i1480_cmd_get_mac_phy_info(i1480);
+	if (result < 0) {
+		dev_err(i1480->dev, "Cannot get MAC & PHY information: %d\n",
+			result);
+		goto out;
+	}
+	mac_fw_rev = le16_to_cpu(reply->mac_fw_rev);
+#if i1480_FW > 0x00000302
+	dev_info(i1480->dev,
+		 "HW v%02hx  "
+		 "MAC FW v%02hx.%02hx caps %04hx  "
+		 "PHY type %02hx v%02hx caps %02hx %02hx %02hx\n",
+		 reply->hw_rev, mac_fw_rev >> 8, mac_fw_rev & 0xff,
+		 le16_to_cpu(reply->mac_caps),
+		 reply->phy_vendor, reply->phy_rev,
+		 reply->phy_caps[0], reply->phy_caps[1], reply->phy_caps[2]);
+#else
+	phy_fw_rev = le16_to_cpu(reply->phy_fw_rev);
+	dev_info(i1480->dev, "MAC FW v%02hx.%02hx caps %04hx "
+		 " PHY FW v%02hx.%02hx caps %04hx\n",
+		 mac_fw_rev >> 8, mac_fw_rev & 0xff,
+		 le16_to_cpu(reply->mac_caps),
+		 phy_fw_rev >> 8, phy_fw_rev & 0xff,
+		 le16_to_cpu(reply->phy_caps));
+#endif
+	dev_dbg(i1480->dev,
+		"key-stores:%hu mcast-addr-stores:%hu sec-modes:%hu\n",
+		(unsigned short) reply->key_stores,
+		le16_to_cpu(reply->mcast_addr_stores),
+		(unsigned short) reply->sec_mode_supported);
+	/* FIXME: complain if fw version too low -- pending for
+	 * numbering to stabilize */
+out:
+	return result;
+}
+
+
+static
+int i1480_print_state(struct i1480 *i1480)
+{
+	int result;
+	u32 *buf = (u32 *) i1480->cmd_buf;
+
+	result = i1480->read(i1480, 0x80080000, 2 * sizeof(*buf));
+	if (result < 0) {
+		dev_err(i1480->dev, "cannot read U & L states: %d\n", result);
+		goto error;
+	}
+	dev_info(i1480->dev, "state U 0x%08x, L 0x%08x\n", buf[0], buf[1]);
+error:
+	return result;
+}
+
+
+/*
+ * PCI probe, firmware uploader
+ *
+ * _mac_fw_upload() will call rc_setup(), which needs an rc_release().
+ */
+int i1480_fw_upload(struct i1480 *i1480)
+{
+	int result;
+
+	result = i1480_pre_fw_upload(i1480);	/* PHY pre fw */
+	if (result < 0 && result != -ENOENT) {
+		i1480_print_state(i1480);
+		goto error;
+	}
+	result = i1480_mac_fw_upload(i1480);	/* MAC fw */
+	if (result < 0) {
+		if (result == -ENOENT)
+			dev_err(i1480->dev, "Cannot locate MAC FW file '%s'\n",
+				i1480->mac_fw_name);
+		else
+			i1480_print_state(i1480);
+		goto error;
+	}
+	result = i1480_phy_fw_upload(i1480);	/* PHY fw */
+	if (result < 0 && result != -ENOENT) {
+		i1480_print_state(i1480);
+		goto error_rc_release;
+	}
+	result = i1480_check_info(i1480);
+	if (result < 0) {
+		dev_warn(i1480->dev, "Warning! Cannot check firmware info: %d\n",
+			 result);
+		result = 0;
+	}
+	dev_info(i1480->dev, "firmware uploaded successfully\n");
+error_rc_release:
+	if (i1480->rc_release)
+		i1480->rc_release(i1480);
+	result = 0;
+error:
+	return result;
+}
+EXPORT_SYMBOL_GPL(i1480_fw_upload);
diff --git a/drivers/uwb/i1480/dfu/i1480-dfu.h b/drivers/uwb/i1480/dfu/i1480-dfu.h
new file mode 100644
index 00000000000..4103b287ac7
--- /dev/null
+++ b/drivers/uwb/i1480/dfu/i1480-dfu.h
@@ -0,0 +1,263 @@
+/*
+ * i1480 Device Firmware Upload
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * This driver is the firmware uploader for the Intel Wireless UWB
+ * Link 1480 device (both in the USB and PCI incarnations).
+ *
+ * The process is quite simple: we stop the device, write the firmware
+ * to its memory and then restart it. Wait for the device to let us
+ * know it is done booting firmware. Ready.
+ *
+ * We might have to upload before or after a phy firmware (which might
+ * be done in two methods, using a normal firmware image or through
+ * the MPI port).
+ *
+ * Because USB and PCI use common methods, we just make ops out of the
+ * common operations (read, write, wait_init_done and cmd) and
+ * implement them in usb.c and pci.c.
+ *
+ * The flow is (some parts omitted):
+ *
+ * i1480_{usb,pci}_probe()	  On enumerate/discovery
+ *   i1480_fw_upload()
+ *     i1480_pre_fw_upload()
+ *       __mac_fw_upload()
+ *         fw_hdrs_load()
+ *         mac_fw_hdrs_push()
+ *           i1480->write()       [i1480_{usb,pci}_write()]
+ *           i1480_fw_cmp()
+ *             i1480->read()      [i1480_{usb,pci}_read()]
+ *     i1480_mac_fw_upload()
+ *       __mac_fw_upload()
+ *       i1480->setup(()
+ *       i1480->wait_init_done()
+ *       i1480_cmd_reset()
+ *         i1480->cmd()           [i1480_{usb,pci}_cmd()]
+ *         ...
+ *     i1480_phy_fw_upload()
+ *       request_firmware()
+ *       i1480_mpi_write()
+ *         i1480->cmd()           [i1480_{usb,pci}_cmd()]
+ *       i1480_check_info()
+ *
+ * Once the probe function enumerates the device and uploads the
+ * firmware, we just exit with -ENODEV, as we don't really want to
+ * attach to the device.
+ */
+#ifndef __i1480_DFU_H__
+#define __i1480_DFU_H__
+
+#include <linux/uwb/spec.h>
+#include <linux/types.h>
+#include <linux/completion.h>
+
+#define i1480_FW_UPLOAD_MODE_MASK (cpu_to_le32(0x00000018))
+
+#if i1480_FW > 0x00000302
+#define i1480_RCEB_EXTENDED
+#endif
+
+struct uwb_rccb;
+struct uwb_rceb;
+
+/*
+ * Common firmware upload handlers
+ *
+ * Normally you embed this struct in another one specific to your hw.
+ *
+ * @write	Write to device's memory from buffer.
+ * @read	Read from device's memory to i1480->evt_buf.
+ * @setup	Setup device after basic firmware is uploaded
+ * @wait_init_done
+ *              Wait for the device to send a notification saying init
+ *              is done.
+ * @cmd         FOP for issuing the command to the hardware. The
+ *              command data is contained in i1480->cmd_buf and the size
+ *              is supplied as an argument. The command replied is put
+ *              in i1480->evt_buf and the size in i1480->evt_result (or if
+ *              an error, a < 0 errno code).
+ *
+ * @cmd_buf	Memory buffer used to send commands to the device.
+ *              Allocated by the upper layers i1480_fw_upload().
+ *              Size has to be @buf_size.
+ * @evt_buf	Memory buffer used to place the async notifications
+ *              received by the hw. Allocated by the upper layers
+ *              i1480_fw_upload().
+ *              Size has to be @buf_size.
+ * @cmd_complete
+ *              Low level driver uses this to notify code waiting afor
+ *              an event that the event has arrived and data is in
+ *              i1480->evt_buf (and size/result in i1480->evt_result).
+ * @hw_rev
+ *              Use this value to activate dfu code to support new revisions
+ *              of hardware.  i1480_init() sets this to a default value.
+ *              It should be updated by the USB and PCI code.
+ */
+struct i1480 {
+	struct device *dev;
+
+	int (*write)(struct i1480 *, u32 addr, const void *, size_t);
+	int (*read)(struct i1480 *, u32 addr, size_t);
+	int (*rc_setup)(struct i1480 *);
+	void (*rc_release)(struct i1480 *);
+	int (*wait_init_done)(struct i1480 *);
+	int (*cmd)(struct i1480 *, const char *cmd_name, size_t cmd_size);
+	const char *pre_fw_name;
+	const char *mac_fw_name;
+	const char *mac_fw_name_deprecate;	/* FIXME: Will go away */
+	const char *phy_fw_name;
+	u8 hw_rev;
+
+	size_t buf_size;	/* size of both evt_buf and cmd_buf */
+	void *evt_buf, *cmd_buf;
+	ssize_t evt_result;
+	struct completion evt_complete;
+
+	u8 quirk_no_check_info:1;
+};
+
+static inline
+void i1480_init(struct i1480 *i1480)
+{
+	i1480->hw_rev = 1;
+	init_completion(&i1480->evt_complete);
+}
+
+extern int i1480_fw_upload(struct i1480 *);
+extern int i1480_pre_fw_upload(struct i1480 *);
+extern int i1480_mac_fw_upload(struct i1480 *);
+extern int i1480_phy_fw_upload(struct i1480 *);
+extern ssize_t i1480_cmd(struct i1480 *, const char *, size_t, size_t);
+extern int i1480_rceb_check(const struct i1480 *,
+			    const struct uwb_rceb *, const char *, u8,
+			    unsigned, unsigned);
+
+enum {
+	/* Vendor specific command type */
+	i1480_CET_VS1 = 		0xfd,
+	/* i1480 commands */
+	i1480_CMD_SET_IP_MAS = 		0x000e,
+	i1480_CMD_GET_MAC_PHY_INFO = 	0x0003,
+	i1480_CMD_MPI_WRITE =		0x000f,
+	i1480_CMD_MPI_READ = 		0x0010,
+	/* i1480 events */
+#if i1480_FW > 0x00000302
+	i1480_EVT_CONFIRM = 		0x0002,
+	i1480_EVT_RM_INIT_DONE = 	0x0101,
+	i1480_EVT_DEV_ADD = 		0x0103,
+	i1480_EVT_DEV_RM = 		0x0104,
+	i1480_EVT_DEV_ID_CHANGE = 	0x0105,
+	i1480_EVT_GET_MAC_PHY_INFO =	i1480_CMD_GET_MAC_PHY_INFO,
+#else
+	i1480_EVT_CONFIRM = 		0x0002,
+	i1480_EVT_RM_INIT_DONE = 	0x0101,
+	i1480_EVT_DEV_ADD = 		0x0103,
+	i1480_EVT_DEV_RM = 		0x0104,
+	i1480_EVT_DEV_ID_CHANGE = 	0x0105,
+	i1480_EVT_GET_MAC_PHY_INFO =	i1480_EVT_CONFIRM,
+#endif
+};
+
+
+struct i1480_evt_confirm {
+	struct uwb_rceb rceb;
+#ifdef i1480_RCEB_EXTENDED
+	__le16 wParamLength;
+#endif
+	u8 bResultCode;
+} __attribute__((packed));
+
+
+struct i1480_rceb {
+	struct uwb_rceb rceb;
+#ifdef i1480_RCEB_EXTENDED
+	__le16 wParamLength;
+#endif
+} __attribute__((packed));
+
+
+/**
+ * Get MAC & PHY Information confirm event structure
+ *
+ * Confirm event returned by the command.
+ */
+struct i1480_evt_confirm_GMPI {
+#if i1480_FW > 0x00000302
+	struct uwb_rceb rceb;
+	__le16 wParamLength;
+	__le16 status;
+	u8 mac_addr[6];		/* EUI-64 bit IEEE address [still 8 bytes?] */
+	u8 dev_addr[2];
+	__le16 mac_fw_rev;	/* major = v >> 8; minor = v & 0xff */
+	u8 hw_rev;
+	u8 phy_vendor;
+	u8 phy_rev;		/* major v = >> 8; minor = v & 0xff */
+	__le16 mac_caps;
+	u8 phy_caps[3];
+	u8 key_stores;
+	__le16 mcast_addr_stores;
+	u8 sec_mode_supported;
+#else
+	struct uwb_rceb rceb;
+	u8 status;
+	u8 mac_addr[8];         /* EUI-64 bit IEEE address [still 8 bytes?] */
+	u8 dev_addr[2];
+	__le16 mac_fw_rev;      /* major = v >> 8; minor = v & 0xff */
+	__le16 phy_fw_rev;      /* major v = >> 8; minor = v & 0xff */
+	__le16 mac_caps;
+	u8 phy_caps;
+	u8 key_stores;
+	__le16 mcast_addr_stores;
+	u8 sec_mode_supported;
+#endif
+} __attribute__((packed));
+
+
+struct i1480_cmd_mpi_write {
+	struct uwb_rccb rccb;
+	__le16 size;
+	u8 data[];
+};
+
+
+struct i1480_cmd_mpi_read {
+	struct uwb_rccb rccb;
+	__le16 size;
+	struct {
+		u8 page, offset;
+	} __attribute__((packed)) data[];
+} __attribute__((packed));
+
+
+struct i1480_evt_mpi_read {
+	struct uwb_rceb rceb;
+#ifdef i1480_RCEB_EXTENDED
+	__le16 wParamLength;
+#endif
+	u8 bResultCode;
+	__le16 size;
+	struct {
+		u8 page, offset, value;
+	} __attribute__((packed)) data[];
+} __attribute__((packed));
+
+
+#endif /* #ifndef __i1480_DFU_H__ */
diff --git a/drivers/uwb/i1480/dfu/mac.c b/drivers/uwb/i1480/dfu/mac.c
new file mode 100644
index 00000000000..3d445541e8e
--- /dev/null
+++ b/drivers/uwb/i1480/dfu/mac.c
@@ -0,0 +1,529 @@
+/*
+ * Intel Wireless UWB Link 1480
+ * MAC Firmware upload implementation
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Implementation of the code for parsing the firmware file (extract
+ * the headers and binary code chunks) in the fw_*() functions. The
+ * code to upload pre and mac firmwares is the same, so it uses a
+ * common entry point in __mac_fw_upload(), which uses the i1480
+ * function pointers to push the firmware to the device.
+ */
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/uwb.h>
+#include "i1480-dfu.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/*
+ * Descriptor for a continuous segment of MAC fw data
+ */
+struct fw_hdr {
+	unsigned long address;
+	size_t length;
+	const u32 *bin;
+	struct fw_hdr *next;
+};
+
+
+/* Free a chain of firmware headers */
+static
+void fw_hdrs_free(struct fw_hdr *hdr)
+{
+	struct fw_hdr *next;
+
+	while (hdr) {
+		next = hdr->next;
+		kfree(hdr);
+		hdr = next;
+	}
+}
+
+
+/* Fill a firmware header descriptor from a memory buffer */
+static
+int fw_hdr_load(struct i1480 *i1480, struct fw_hdr *hdr, unsigned hdr_cnt,
+		const char *_data, const u32 *data_itr, const u32 *data_top)
+{
+	size_t hdr_offset =  (const char *) data_itr - _data;
+	size_t remaining_size = (void *) data_top - (void *) data_itr;
+	if (data_itr + 2 > data_top) {
+		dev_err(i1480->dev, "fw hdr #%u/%zu: EOF reached in header at "
+		       "offset %zu, limit %zu\n",
+		       hdr_cnt, hdr_offset,
+		       (const char *) data_itr + 2 - _data,
+		       (const char *) data_top - _data);
+		return -EINVAL;
+	}
+	hdr->next = NULL;
+	hdr->address = le32_to_cpu(*data_itr++);
+	hdr->length = le32_to_cpu(*data_itr++);
+	hdr->bin = data_itr;
+	if (hdr->length > remaining_size) {
+		dev_err(i1480->dev, "fw hdr #%u/%zu: EOF reached in data; "
+		       "chunk too long (%zu bytes), only %zu left\n",
+		       hdr_cnt, hdr_offset, hdr->length, remaining_size);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+
+/**
+ * Get a buffer where the firmware is supposed to be and create a
+ * chain of headers linking them together.
+ *
+ * @phdr: where to place the pointer to the first header (headers link
+ *        to the next via the @hdr->next ptr); need to free the whole
+ *        chain when done.
+ *
+ * @_data: Pointer to the data buffer.
+ *
+ * @_data_size: Size of the data buffer (bytes); data size has to be a
+ *              multiple of 4. Function will fail if not.
+ *
+ * Goes over the whole binary blob; reads the first chunk and creates
+ * a fw hdr from it (which points to where the data is in @_data and
+ * the length of the chunk); then goes on to the next chunk until
+ * done. Each header is linked to the next.
+ */
+static
+int fw_hdrs_load(struct i1480 *i1480, struct fw_hdr **phdr,
+		 const char *_data, size_t data_size)
+{
+	int result;
+	unsigned hdr_cnt = 0;
+	u32 *data = (u32 *) _data, *data_itr, *data_top;
+	struct fw_hdr *hdr, **prev_hdr = phdr;
+
+	result = -EINVAL;
+	/* Check size is ok and pointer is aligned */
+	if (data_size % sizeof(u32) != 0)
+		goto error;
+	if ((unsigned long) _data % sizeof(u16) != 0)
+		goto error;
+	*phdr = NULL;
+	data_itr = data;
+	data_top = (u32 *) (_data + data_size);
+	while (data_itr < data_top) {
+		result = -ENOMEM;
+		hdr = kmalloc(sizeof(*hdr), GFP_KERNEL);
+		if (hdr == NULL) {
+			dev_err(i1480->dev, "Cannot allocate fw header "
+			       "for chunk #%u\n", hdr_cnt);
+			goto error_alloc;
+		}
+		result = fw_hdr_load(i1480, hdr, hdr_cnt,
+				     _data, data_itr, data_top);
+		if (result < 0)
+			goto error_load;
+		data_itr += 2 + hdr->length;
+		*prev_hdr = hdr;
+		prev_hdr = &hdr->next;
+		hdr_cnt++;
+	};
+	*prev_hdr = NULL;
+	return 0;
+
+error_load:
+	kfree(hdr);
+error_alloc:
+	fw_hdrs_free(*phdr);
+error:
+	return result;
+}
+
+
+/**
+ * Compares a chunk of fw with one in the devices's memory
+ *
+ * @i1480:     Device instance
+ * @hdr:     Pointer to the firmware chunk
+ * @returns: 0 if equal, < 0 errno on error. If > 0, it is the offset
+ *           where the difference was found (plus one).
+ *
+ * Kind of dirty and simplistic, but does the trick in both the PCI
+ * and USB version. We do a quick[er] memcmp(), and if it fails, we do
+ * a byte-by-byte to find the offset.
+ */
+static
+ssize_t i1480_fw_cmp(struct i1480 *i1480, struct fw_hdr *hdr)
+{
+	ssize_t result = 0;
+	u32 src_itr = 0, cnt;
+	size_t size = hdr->length*sizeof(hdr->bin[0]);
+	size_t chunk_size;
+	u8 *bin = (u8 *) hdr->bin;
+
+	while (size > 0) {
+		chunk_size = size < i1480->buf_size ? size : i1480->buf_size;
+		result = i1480->read(i1480, hdr->address + src_itr, chunk_size);
+		if (result < 0) {
+			dev_err(i1480->dev, "error reading for verification: "
+				"%zd\n", result);
+			goto error;
+		}
+		if (memcmp(i1480->cmd_buf, bin + src_itr, result)) {
+			u8 *buf = i1480->cmd_buf;
+			d_printf(2, i1480->dev,
+				 "original data @ %p + %u, %zu bytes\n",
+				 bin, src_itr, result);
+			d_dump(4, i1480->dev, bin + src_itr, result);
+			for (cnt = 0; cnt < result; cnt++)
+				if (bin[src_itr + cnt] != buf[cnt]) {
+					dev_err(i1480->dev, "byte failed at "
+						"src_itr %u cnt %u [0x%02x "
+						"vs 0x%02x]\n", src_itr, cnt,
+						bin[src_itr + cnt], buf[cnt]);
+					result = src_itr + cnt + 1;
+					goto cmp_failed;
+				}
+		}
+		src_itr += result;
+		size -= result;
+	}
+	result = 0;
+error:
+cmp_failed:
+	return result;
+}
+
+
+/**
+ * Writes firmware headers to the device.
+ *
+ * @prd:     PRD instance
+ * @hdr:     Processed firmware
+ * @returns: 0 if ok, < 0 errno on error.
+ */
+static
+int mac_fw_hdrs_push(struct i1480 *i1480, struct fw_hdr *hdr,
+		     const char *fw_name, const char *fw_tag)
+{
+	struct device *dev = i1480->dev;
+	ssize_t result = 0;
+	struct fw_hdr *hdr_itr;
+	int verif_retry_count;
+
+	d_fnstart(3, dev, "(%p, %p)\n", i1480, hdr);
+	/* Now, header by header, push them to the hw */
+	for (hdr_itr = hdr; hdr_itr != NULL; hdr_itr = hdr_itr->next) {
+		verif_retry_count = 0;
+retry:
+		dev_dbg(dev, "fw chunk (%zu @ 0x%08lx)\n",
+			hdr_itr->length * sizeof(hdr_itr->bin[0]),
+			hdr_itr->address);
+		result = i1480->write(i1480, hdr_itr->address, hdr_itr->bin,
+				    hdr_itr->length*sizeof(hdr_itr->bin[0]));
+		if (result < 0) {
+			dev_err(dev, "%s fw '%s': write failed (%zuB @ 0x%lx):"
+				" %zd\n", fw_tag, fw_name,
+				hdr_itr->length * sizeof(hdr_itr->bin[0]),
+				hdr_itr->address, result);
+			break;
+		}
+		result = i1480_fw_cmp(i1480, hdr_itr);
+		if (result < 0) {
+			dev_err(dev, "%s fw '%s': verification read "
+				"failed (%zuB @ 0x%lx): %zd\n",
+				fw_tag, fw_name,
+				hdr_itr->length * sizeof(hdr_itr->bin[0]),
+				hdr_itr->address, result);
+			break;
+		}
+		if (result > 0) {	/* Offset where it failed + 1 */
+			result--;
+			dev_err(dev, "%s fw '%s': WARNING: verification "
+				"failed at 0x%lx: retrying\n",
+				fw_tag, fw_name, hdr_itr->address + result);
+			if (++verif_retry_count < 3)
+				goto retry;	/* write this block again! */
+			dev_err(dev, "%s fw '%s': verification failed at 0x%lx: "
+				"tried %d times\n", fw_tag, fw_name,
+				hdr_itr->address + result, verif_retry_count);
+			result = -EINVAL;
+			break;
+		}
+	}
+	d_fnend(3, dev, "(%zd)\n", result);
+	return result;
+}
+
+
+/** Puts the device in firmware upload mode.*/
+static
+int mac_fw_upload_enable(struct i1480 *i1480)
+{
+	int result;
+	u32 reg = 0x800000c0;
+	u32 *buffer = (u32 *)i1480->cmd_buf;
+
+	if (i1480->hw_rev > 1)
+		reg = 0x8000d0d4;
+	result = i1480->read(i1480, reg, sizeof(u32));
+	if (result < 0)
+		goto error_cmd;
+	*buffer &= ~i1480_FW_UPLOAD_MODE_MASK;
+	result = i1480->write(i1480, reg, buffer, sizeof(u32));
+	if (result < 0)
+		goto error_cmd;
+	return 0;
+error_cmd:
+	dev_err(i1480->dev, "can't enable fw upload mode: %d\n", result);
+	return result;
+}
+
+
+/** Gets the device out of firmware upload mode. */
+static
+int mac_fw_upload_disable(struct i1480 *i1480)
+{
+	int result;
+	u32 reg = 0x800000c0;
+	u32 *buffer = (u32 *)i1480->cmd_buf;
+
+	if (i1480->hw_rev > 1)
+		reg = 0x8000d0d4;
+	result = i1480->read(i1480, reg, sizeof(u32));
+	if (result < 0)
+		goto error_cmd;
+	*buffer |= i1480_FW_UPLOAD_MODE_MASK;
+	result = i1480->write(i1480, reg, buffer, sizeof(u32));
+	if (result < 0)
+		goto error_cmd;
+	return 0;
+error_cmd:
+	dev_err(i1480->dev, "can't disable fw upload mode: %d\n", result);
+	return result;
+}
+
+
+
+/**
+ * Generic function for uploading a MAC firmware.
+ *
+ * @i1480:     Device instance
+ * @fw_name: Name of firmware file to upload.
+ * @fw_tag:  Name of the firmware type (for messages)
+ *           [eg: MAC, PRE]
+ * @do_wait: Wait for device to emit initialization done message (0
+ *           for PRE fws, 1 for MAC fws).
+ * @returns: 0 if ok, < 0 errno on error.
+ */
+static
+int __mac_fw_upload(struct i1480 *i1480, const char *fw_name,
+		    const char *fw_tag)
+{
+	int result;
+	const struct firmware *fw;
+	struct fw_hdr *fw_hdrs;
+
+	d_fnstart(3, i1480->dev, "(%p, %s, %s)\n", i1480, fw_name, fw_tag);
+	result = request_firmware(&fw, fw_name, i1480->dev);
+	if (result < 0)	/* Up to caller to complain on -ENOENT */
+		goto out;
+	d_printf(3, i1480->dev, "%s fw '%s': uploading\n", fw_tag, fw_name);
+	result = fw_hdrs_load(i1480, &fw_hdrs, fw->data, fw->size);
+	if (result < 0) {
+		dev_err(i1480->dev, "%s fw '%s': failed to parse firmware "
+			"file: %d\n", fw_tag, fw_name, result);
+		goto out_release;
+	}
+	result = mac_fw_upload_enable(i1480);
+	if (result < 0)
+		goto out_hdrs_release;
+	result = mac_fw_hdrs_push(i1480, fw_hdrs, fw_name, fw_tag);
+	mac_fw_upload_disable(i1480);
+out_hdrs_release:
+	if (result >= 0)
+		dev_info(i1480->dev, "%s fw '%s': uploaded\n", fw_tag, fw_name);
+	else
+		dev_err(i1480->dev, "%s fw '%s': failed to upload (%d), "
+			"power cycle device\n", fw_tag, fw_name, result);
+	fw_hdrs_free(fw_hdrs);
+out_release:
+	release_firmware(fw);
+out:
+	d_fnend(3, i1480->dev, "(%p, %s, %s) = %d\n", i1480, fw_name, fw_tag,
+		result);
+	return result;
+}
+
+
+/**
+ * Upload a pre-PHY firmware
+ *
+ */
+int i1480_pre_fw_upload(struct i1480 *i1480)
+{
+	int result;
+	result = __mac_fw_upload(i1480, i1480->pre_fw_name, "PRE");
+	if (result == 0)
+		msleep(400);
+	return result;
+}
+
+
+/**
+ * Reset a the MAC and PHY
+ *
+ * @i1480:     Device's instance
+ * @returns: 0 if ok, < 0 errno code on error
+ *
+ * We put the command on kmalloc'ed memory as some arches cannot do
+ * USB from the stack. The reply event is copied from an stage buffer,
+ * so it can be in the stack. See WUSB1.0[8.6.2.4] for more details.
+ *
+ * We issue the reset to make sure the UWB controller reinits the PHY;
+ * this way we can now if the PHY init went ok.
+ */
+static
+int i1480_cmd_reset(struct i1480 *i1480)
+{
+	int result;
+	struct uwb_rccb *cmd = (void *) i1480->cmd_buf;
+	struct i1480_evt_reset {
+		struct uwb_rceb rceb;
+		u8 bResultCode;
+	} __attribute__((packed)) *reply = (void *) i1480->evt_buf;
+
+	result = -ENOMEM;
+	cmd->bCommandType = UWB_RC_CET_GENERAL;
+	cmd->wCommand = cpu_to_le16(UWB_RC_CMD_RESET);
+	reply->rceb.bEventType = UWB_RC_CET_GENERAL;
+	reply->rceb.wEvent = UWB_RC_CMD_RESET;
+	result = i1480_cmd(i1480, "RESET", sizeof(*cmd), sizeof(*reply));
+	if (result < 0)
+		goto out;
+	if (reply->bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(i1480->dev, "RESET: command execution failed: %u\n",
+			reply->bResultCode);
+		result = -EIO;
+	}
+out:
+	return result;
+
+}
+
+
+/** Wait for the MAC FW to start running */
+static
+int i1480_fw_is_running_q(struct i1480 *i1480)
+{
+	int cnt = 0;
+	int result;
+	u32 *val = (u32 *) i1480->cmd_buf;
+
+	d_fnstart(3, i1480->dev, "(i1480 %p)\n", i1480);
+	for (cnt = 0; cnt < 10; cnt++) {
+		msleep(100);
+		result = i1480->read(i1480, 0x80080000, 4);
+		if (result < 0) {
+			dev_err(i1480->dev, "Can't read 0x8008000: %d\n", result);
+			goto out;
+		}
+		if (*val == 0x55555555UL)	/* fw running? cool */
+			goto out;
+		if (printk_ratelimit())
+			d_printf(5, i1480->dev, "read #%d: 0x%08x\n", cnt, *val);
+	}
+	dev_err(i1480->dev, "Timed out waiting for fw to start\n");
+	result = -ETIMEDOUT;
+out:
+	d_fnend(3, i1480->dev, "(i1480 %p) = %d\n", i1480, result);
+	return result;
+
+}
+
+
+/**
+ * Upload MAC firmware, wait for it to start
+ *
+ * @i1480:     Device instance
+ * @fw_name: Name of the file that contains the firmware
+ *
+ * This has to be called after the pre fw has been uploaded (if
+ * there is any).
+ */
+int i1480_mac_fw_upload(struct i1480 *i1480)
+{
+	int result = 0, deprecated_name = 0;
+	struct i1480_rceb *rcebe = (void *) i1480->evt_buf;
+
+	d_fnstart(3, i1480->dev, "(%p)\n", i1480);
+	result = __mac_fw_upload(i1480, i1480->mac_fw_name, "MAC");
+	if (result == -ENOENT) {
+		result = __mac_fw_upload(i1480, i1480->mac_fw_name_deprecate,
+					 "MAC");
+		deprecated_name = 1;
+	}
+	if (result < 0)
+		return result;
+	if (deprecated_name == 1)
+		dev_warn(i1480->dev,
+			 "WARNING: firmware file name %s is deprecated, "
+			 "please rename to %s\n",
+			 i1480->mac_fw_name_deprecate, i1480->mac_fw_name);
+	result = i1480_fw_is_running_q(i1480);
+	if (result < 0)
+		goto error_fw_not_running;
+	result = i1480->rc_setup ? i1480->rc_setup(i1480) : 0;
+	if (result < 0) {
+		dev_err(i1480->dev, "Cannot setup after MAC fw upload: %d\n",
+			result);
+		goto error_setup;
+	}
+	result = i1480->wait_init_done(i1480);	/* wait init'on */
+	if (result < 0) {
+		dev_err(i1480->dev, "MAC fw '%s': Initialization timed out "
+			"(%d)\n", i1480->mac_fw_name, result);
+		goto error_init_timeout;
+	}
+	/* verify we got the right initialization done event */
+	if (i1480->evt_result != sizeof(*rcebe)) {
+		dev_err(i1480->dev, "MAC fw '%s': initialization event returns "
+			"wrong size (%zu bytes vs %zu needed)\n",
+			i1480->mac_fw_name, i1480->evt_result, sizeof(*rcebe));
+		dump_bytes(i1480->dev, rcebe, min(i1480->evt_result, (ssize_t)32));
+		goto error_size;
+	}
+	result = -EIO;
+	if (rcebe->rceb.bEventType != i1480_CET_VS1
+	    || le16_to_cpu(rcebe->rceb.wEvent) != i1480_EVT_RM_INIT_DONE) {
+		dev_err(i1480->dev, "wrong initialization event 0x%02x/%04x/%02x "
+			"received; expected 0x%02x/%04x/00\n",
+			rcebe->rceb.bEventType, le16_to_cpu(rcebe->rceb.wEvent),
+			rcebe->rceb.bEventContext, i1480_CET_VS1,
+			i1480_EVT_RM_INIT_DONE);
+		goto error_init_timeout;
+	}
+	result = i1480_cmd_reset(i1480);
+	if (result < 0)
+		dev_err(i1480->dev, "MAC fw '%s': MBOA reset failed (%d)\n",
+			i1480->mac_fw_name, result);
+error_fw_not_running:
+error_init_timeout:
+error_size:
+error_setup:
+	d_fnend(3, i1480->dev, "(i1480 %p) = %d\n", i1480, result);
+	return result;
+}
diff --git a/drivers/uwb/i1480/dfu/phy.c b/drivers/uwb/i1480/dfu/phy.c
new file mode 100644
index 00000000000..3b1a87de8e6
--- /dev/null
+++ b/drivers/uwb/i1480/dfu/phy.c
@@ -0,0 +1,203 @@
+/*
+ * Intel Wireless UWB Link 1480
+ * PHY parameters upload
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Code for uploading the PHY parameters to the PHY through the UWB
+ * Radio Control interface.
+ *
+ * We just send the data through the MPI interface using HWA-like
+ * commands and then reset the PHY to make sure it is ok.
+ */
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <linux/usb/wusb.h>
+#include "i1480-dfu.h"
+
+
+/**
+ * Write a value array to an address of the MPI interface
+ *
+ * @i1480:	Device descriptor
+ * @data:	Data array to write
+ * @size:	Size of the data array
+ * @returns:	0 if ok, < 0 errno code on error.
+ *
+ * The data array is organized into pairs:
+ *
+ * ADDRESS VALUE
+ *
+ * ADDRESS is BE 16 bit unsigned, VALUE 8 bit unsigned. Size thus has
+ * to be a multiple of three.
+ */
+static
+int i1480_mpi_write(struct i1480 *i1480, const void *data, size_t size)
+{
+	int result;
+	struct i1480_cmd_mpi_write *cmd = i1480->cmd_buf;
+	struct i1480_evt_confirm *reply = i1480->evt_buf;
+
+	BUG_ON(size > 480);
+	result = -ENOMEM;
+	cmd->rccb.bCommandType = i1480_CET_VS1;
+	cmd->rccb.wCommand = cpu_to_le16(i1480_CMD_MPI_WRITE);
+	cmd->size = cpu_to_le16(size);
+	memcpy(cmd->data, data, size);
+	reply->rceb.bEventType = i1480_CET_VS1;
+	reply->rceb.wEvent = i1480_CMD_MPI_WRITE;
+	result = i1480_cmd(i1480, "MPI-WRITE", sizeof(*cmd) + size, sizeof(*reply));
+	if (result < 0)
+		goto out;
+	if (reply->bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(i1480->dev, "MPI-WRITE: command execution failed: %d\n",
+			reply->bResultCode);
+		result = -EIO;
+	}
+out:
+	return result;
+}
+
+
+/**
+ * Read a value array to from an address of the MPI interface
+ *
+ * @i1480:	Device descriptor
+ * @data:	where to place the read array
+ * @srcaddr:	Where to read from
+ * @size:	Size of the data read array
+ * @returns:	0 if ok, < 0 errno code on error.
+ *
+ * The command data array is organized into pairs ADDR0 ADDR1..., and
+ * the returned data in ADDR0 VALUE0 ADDR1 VALUE1...
+ *
+ * We generate the command array to be a sequential read and then
+ * rearrange the result.
+ *
+ * We use the i1480->cmd_buf for the command, i1480->evt_buf for the reply.
+ *
+ * As the reply has to fit in 512 bytes (i1480->evt_buffer), the max amount
+ * of values we can read is (512 - sizeof(*reply)) / 3
+ */
+static
+int i1480_mpi_read(struct i1480 *i1480, u8 *data, u16 srcaddr, size_t size)
+{
+	int result;
+	struct i1480_cmd_mpi_read *cmd = i1480->cmd_buf;
+	struct i1480_evt_mpi_read *reply = i1480->evt_buf;
+	unsigned cnt;
+
+	memset(i1480->cmd_buf, 0x69, 512);
+	memset(i1480->evt_buf, 0x69, 512);
+
+	BUG_ON(size > (i1480->buf_size - sizeof(*reply)) / 3);
+	result = -ENOMEM;
+	cmd->rccb.bCommandType = i1480_CET_VS1;
+	cmd->rccb.wCommand = cpu_to_le16(i1480_CMD_MPI_READ);
+	cmd->size = cpu_to_le16(3*size);
+	for (cnt = 0; cnt < size; cnt++) {
+		cmd->data[cnt].page = (srcaddr + cnt) >> 8;
+		cmd->data[cnt].offset = (srcaddr + cnt) & 0xff;
+	}
+	reply->rceb.bEventType = i1480_CET_VS1;
+	reply->rceb.wEvent = i1480_CMD_MPI_READ;
+	result = i1480_cmd(i1480, "MPI-READ", sizeof(*cmd) + 2*size,
+			sizeof(*reply) + 3*size);
+	if (result < 0)
+		goto out;
+	if (reply->bResultCode != UWB_RC_RES_SUCCESS) {
+		dev_err(i1480->dev, "MPI-READ: command execution failed: %d\n",
+			reply->bResultCode);
+		result = -EIO;
+	}
+	for (cnt = 0; cnt < size; cnt++) {
+		if (reply->data[cnt].page != (srcaddr + cnt) >> 8)
+			dev_err(i1480->dev, "MPI-READ: page inconsistency at "
+				"index %u: expected 0x%02x, got 0x%02x\n", cnt,
+				(srcaddr + cnt) >> 8, reply->data[cnt].page);
+		if (reply->data[cnt].offset != ((srcaddr + cnt) & 0x00ff))
+			dev_err(i1480->dev, "MPI-READ: offset inconsistency at "
+				"index %u: expected 0x%02x, got 0x%02x\n", cnt,
+				(srcaddr + cnt) & 0x00ff,
+				reply->data[cnt].offset);
+		data[cnt] = reply->data[cnt].value;
+	}
+	result = 0;
+out:
+	return result;
+}
+
+
+/**
+ * Upload a PHY firmware, wait for it to start
+ *
+ * @i1480:     Device instance
+ * @fw_name: Name of the file that contains the firmware
+ *
+ * We assume the MAC fw is up and running. This means we can use the
+ * MPI interface to write the PHY firmware. Once done, we issue an
+ * MBOA Reset, which will force the MAC to reset and reinitialize the
+ * PHY. If that works, we are ready to go.
+ *
+ * Max packet size for the MPI write is 512, so the max buffer is 480
+ * (which gives us 160 byte triads of MSB, LSB and VAL for the data).
+ */
+int i1480_phy_fw_upload(struct i1480 *i1480)
+{
+	int result;
+	const struct firmware *fw;
+	const char *data_itr, *data_top;
+	const size_t MAX_BLK_SIZE = 480;	/* 160 triads */
+	size_t data_size;
+	u8 phy_stat;
+
+	result = request_firmware(&fw, i1480->phy_fw_name, i1480->dev);
+	if (result < 0)
+		goto out;
+	/* Loop writing data in chunks as big as possible until done. */
+	for (data_itr = fw->data, data_top = data_itr + fw->size;
+	     data_itr < data_top; data_itr += MAX_BLK_SIZE) {
+		data_size = min(MAX_BLK_SIZE, (size_t) (data_top - data_itr));
+		result = i1480_mpi_write(i1480, data_itr, data_size);
+		if (result < 0)
+			goto error_mpi_write;
+	}
+	/* Read MPI page 0, offset 6; if 0, PHY was initialized correctly. */
+	result = i1480_mpi_read(i1480, &phy_stat, 0x0006, 1);
+	if (result < 0) {
+		dev_err(i1480->dev, "PHY: can't get status: %d\n", result);
+		goto error_mpi_status;
+	}
+	if (phy_stat != 0) {
+		result = -ENODEV;
+		dev_info(i1480->dev, "error, PHY not ready: %u\n", phy_stat);
+		goto error_phy_status;
+	}
+	dev_info(i1480->dev, "PHY fw '%s': uploaded\n", i1480->phy_fw_name);
+error_phy_status:
+error_mpi_status:
+error_mpi_write:
+	release_firmware(fw);
+	if (result < 0)
+		dev_err(i1480->dev, "PHY fw '%s': failed to upload (%d), "
+			"power cycle device\n", i1480->phy_fw_name, result);
+out:
+	return result;
+}
diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c
new file mode 100644
index 00000000000..98eeeff051a
--- /dev/null
+++ b/drivers/uwb/i1480/dfu/usb.c
@@ -0,0 +1,500 @@
+/*
+ * Intel Wireless UWB Link 1480
+ * USB SKU firmware upload implementation
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * This driver will prepare the i1480 device to behave as a real
+ * Wireless USB HWA adaptor by uploading the firmware.
+ *
+ * When the device is connected or driver is loaded, i1480_usb_probe()
+ * is called--this will allocate and initialize the device structure,
+ * fill in the pointers to the common functions (read, write,
+ * wait_init_done and cmd for HWA command execution) and once that is
+ * done, call the common firmware uploading routine. Then clean up and
+ * return -ENODEV, as we don't attach to the device.
+ *
+ * The rest are the basic ops we implement that the fw upload code
+ * uses to do its job. All the ops in the common code are i1480->NAME,
+ * the functions are i1480_usb_NAME().
+ */
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/usb.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/uwb.h>
+#include <linux/usb/wusb.h>
+#include <linux/usb/wusb-wa.h>
+#include "i1480-dfu.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+
+struct i1480_usb {
+	struct i1480 i1480;
+	struct usb_device *usb_dev;
+	struct usb_interface *usb_iface;
+	struct urb *neep_urb;	/* URB for reading from EP1 */
+};
+
+
+static
+void i1480_usb_init(struct i1480_usb *i1480_usb)
+{
+	i1480_init(&i1480_usb->i1480);
+}
+
+
+static
+int i1480_usb_create(struct i1480_usb *i1480_usb, struct usb_interface *iface)
+{
+	struct usb_device *usb_dev = interface_to_usbdev(iface);
+	int result = -ENOMEM;
+
+	i1480_usb->usb_dev = usb_get_dev(usb_dev);	/* bind the USB device */
+	i1480_usb->usb_iface = usb_get_intf(iface);
+	usb_set_intfdata(iface, i1480_usb);		/* Bind the driver to iface0 */
+	i1480_usb->neep_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (i1480_usb->neep_urb == NULL)
+		goto error;
+	return 0;
+
+error:
+	usb_set_intfdata(iface, NULL);
+	usb_put_intf(iface);
+	usb_put_dev(usb_dev);
+	return result;
+}
+
+
+static
+void i1480_usb_destroy(struct i1480_usb *i1480_usb)
+{
+	usb_kill_urb(i1480_usb->neep_urb);
+	usb_free_urb(i1480_usb->neep_urb);
+	usb_set_intfdata(i1480_usb->usb_iface, NULL);
+	usb_put_intf(i1480_usb->usb_iface);
+	usb_put_dev(i1480_usb->usb_dev);
+}
+
+
+/**
+ * Write a buffer to a memory address in the i1480 device
+ *
+ * @i1480:  i1480 instance
+ * @memory_address:
+ *          Address where to write the data buffer to.
+ * @buffer: Buffer to the data
+ * @size:   Size of the buffer [has to be < 512].
+ * @returns: 0 if ok, < 0 errno code on error.
+ *
+ * Data buffers to USB cannot be on the stack or in vmalloc'ed areas,
+ * so we copy it to the local i1480 buffer before proceeding. In any
+ * case, we have a max size we can send, soooo.
+ */
+static
+int i1480_usb_write(struct i1480 *i1480, u32 memory_address,
+		    const void *buffer, size_t size)
+{
+	int result = 0;
+	struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480);
+	size_t buffer_size, itr = 0;
+
+	d_fnstart(3, i1480->dev, "(%p, 0x%08x, %p, %zu)\n",
+		  i1480, memory_address, buffer, size);
+	BUG_ON(size & 0x3); /* Needs to be a multiple of 4 */
+	while (size > 0) {
+		buffer_size = size < i1480->buf_size ? size : i1480->buf_size;
+		memcpy(i1480->cmd_buf, buffer + itr, buffer_size);
+		result = usb_control_msg(
+			i1480_usb->usb_dev, usb_sndctrlpipe(i1480_usb->usb_dev, 0),
+			0xf0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			cpu_to_le16(memory_address & 0xffff),
+			cpu_to_le16((memory_address >> 16) & 0xffff),
+			i1480->cmd_buf, buffer_size, 100 /* FIXME: arbitrary */);
+		if (result < 0)
+			break;
+		d_printf(3, i1480->dev,
+			 "wrote @ 0x%08x %u bytes (of %zu bytes requested)\n",
+			 memory_address, result, buffer_size);
+		d_dump(4, i1480->dev, i1480->cmd_buf, result);
+		itr += result;
+		memory_address += result;
+		size -= result;
+	}
+	d_fnend(3, i1480->dev, "(%p, 0x%08x, %p, %zu) = %d\n",
+		i1480, memory_address, buffer, size, result);
+	return result;
+}
+
+
+/**
+ * Read a block [max size 512] of the device's memory to @i1480's buffer.
+ *
+ * @i1480: i1480 instance
+ * @memory_address:
+ *         Address where to read from.
+ * @size:  Size to read. Smaller than or equal to 512.
+ * @returns: >= 0 number of bytes written if ok, < 0 errno code on error.
+ *
+ * NOTE: if the memory address or block is incorrect, you might get a
+ *       stall or a different memory read. Caller has to verify the
+ *       memory address and size passed back in the @neh structure.
+ */
+static
+int i1480_usb_read(struct i1480 *i1480, u32 addr, size_t size)
+{
+	ssize_t result = 0, bytes = 0;
+	size_t itr, read_size = i1480->buf_size;
+	struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480);
+
+	d_fnstart(3, i1480->dev, "(%p, 0x%08x, %zu)\n",
+		  i1480, addr, size);
+	BUG_ON(size > i1480->buf_size);
+	BUG_ON(size & 0x3); /* Needs to be a multiple of 4 */
+	BUG_ON(read_size > 512);
+
+	if (addr >= 0x8000d200 && addr < 0x8000d400)	/* Yeah, HW quirk */
+		read_size = 4;
+
+	for (itr = 0; itr < size; itr += read_size) {
+		size_t itr_addr = addr + itr;
+		size_t itr_size = min(read_size, size - itr);
+		result = usb_control_msg(
+			i1480_usb->usb_dev, usb_rcvctrlpipe(i1480_usb->usb_dev, 0),
+			0xf0, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			cpu_to_le16(itr_addr & 0xffff),
+			cpu_to_le16((itr_addr >> 16) & 0xffff),
+			i1480->cmd_buf + itr, itr_size,
+			100 /* FIXME: arbitrary */);
+		if (result < 0) {
+			dev_err(i1480->dev, "%s: USB read error: %zd\n",
+				__func__, result);
+			goto out;
+		}
+		if (result != itr_size) {
+			result = -EIO;
+			dev_err(i1480->dev,
+				"%s: partial read got only %zu bytes vs %zu expected\n",
+				__func__, result, itr_size);
+			goto out;
+		}
+		bytes += result;
+	}
+	result = bytes;
+out:
+	d_fnend(3, i1480->dev, "(%p, 0x%08x, %zu) = %zd\n",
+		i1480, addr, size, result);
+	if (result > 0)
+		d_dump(4, i1480->dev, i1480->cmd_buf, result);
+	return result;
+}
+
+
+/**
+ * Callback for reads on the notification/event endpoint
+ *
+ * Just enables the completion read handler.
+ */
+static
+void i1480_usb_neep_cb(struct urb *urb)
+{
+	struct i1480 *i1480 = urb->context;
+	struct device *dev = i1480->dev;
+
+	switch (urb->status) {
+	case 0:
+		break;
+	case -ECONNRESET:	/* Not an error, but a controlled situation; */
+	case -ENOENT:		/* (we killed the URB)...so, no broadcast */
+		dev_dbg(dev, "NEEP: reset/noent %d\n", urb->status);
+		break;
+	case -ESHUTDOWN:	/* going away! */
+		dev_dbg(dev, "NEEP: down %d\n", urb->status);
+		break;
+	default:
+		dev_err(dev, "NEEP: unknown status %d\n", urb->status);
+		break;
+	}
+	i1480->evt_result = urb->actual_length;
+	complete(&i1480->evt_complete);
+	return;
+}
+
+
+/**
+ * Wait for the MAC FW to initialize
+ *
+ * MAC FW sends a 0xfd/0101/00 notification to EP1 when done
+ * initializing. Get that notification into i1480->evt_buf; upper layer
+ * will verify it.
+ *
+ * Set i1480->evt_result with the result of getting the event or its
+ * size (if succesful).
+ *
+ * Delivers the data directly to i1480->evt_buf
+ */
+static
+int i1480_usb_wait_init_done(struct i1480 *i1480)
+{
+	int result;
+	struct device *dev = i1480->dev;
+	struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480);
+	struct usb_endpoint_descriptor *epd;
+
+	d_fnstart(3, dev, "(%p)\n", i1480);
+	init_completion(&i1480->evt_complete);
+	i1480->evt_result = -EINPROGRESS;
+	epd = &i1480_usb->usb_iface->cur_altsetting->endpoint[0].desc;
+	usb_fill_int_urb(i1480_usb->neep_urb, i1480_usb->usb_dev,
+			 usb_rcvintpipe(i1480_usb->usb_dev, epd->bEndpointAddress),
+			 i1480->evt_buf, i1480->buf_size,
+			 i1480_usb_neep_cb, i1480, epd->bInterval);
+	result = usb_submit_urb(i1480_usb->neep_urb, GFP_KERNEL);
+	if (result < 0) {
+		dev_err(dev, "init done: cannot submit NEEP read: %d\n",
+			result);
+		goto error_submit;
+	}
+	/* Wait for the USB callback to get the data */
+	result = wait_for_completion_interruptible_timeout(
+		&i1480->evt_complete, HZ);
+	if (result <= 0) {
+		result = result == 0 ? -ETIMEDOUT : result;
+		goto error_wait;
+	}
+	usb_kill_urb(i1480_usb->neep_urb);
+	d_fnend(3, dev, "(%p) = 0\n", i1480);
+	return 0;
+
+error_wait:
+	usb_kill_urb(i1480_usb->neep_urb);
+error_submit:
+	i1480->evt_result = result;
+	d_fnend(3, dev, "(%p) = %d\n", i1480, result);
+	return result;
+}
+
+
+/**
+ * Generic function for issuing commands to the i1480
+ *
+ * @i1480:      i1480 instance
+ * @cmd_name:   Name of the command (for error messages)
+ * @cmd:        Pointer to command buffer
+ * @cmd_size:   Size of the command buffer
+ * @reply:      Buffer for the reply event
+ * @reply_size: Expected size back (including RCEB); the reply buffer
+ *              is assumed to be as big as this.
+ * @returns:    >= 0 size of the returned event data if ok,
+ *              < 0 errno code on error.
+ *
+ * Arms the NE handle, issues the command to the device and checks the
+ * basics of the reply event.
+ */
+static
+int i1480_usb_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size)
+{
+	int result;
+	struct device *dev = i1480->dev;
+	struct i1480_usb *i1480_usb = container_of(i1480, struct i1480_usb, i1480);
+	struct usb_endpoint_descriptor *epd;
+	struct uwb_rccb *cmd = i1480->cmd_buf;
+	u8 iface_no;
+
+	d_fnstart(3, dev, "(%p, %s, %zu)\n", i1480, cmd_name, cmd_size);
+	/* Post a read on the notification & event endpoint */
+	iface_no = i1480_usb->usb_iface->cur_altsetting->desc.bInterfaceNumber;
+	epd = &i1480_usb->usb_iface->cur_altsetting->endpoint[0].desc;
+	usb_fill_int_urb(
+		i1480_usb->neep_urb, i1480_usb->usb_dev,
+		usb_rcvintpipe(i1480_usb->usb_dev, epd->bEndpointAddress),
+		i1480->evt_buf, i1480->buf_size,
+		i1480_usb_neep_cb, i1480, epd->bInterval);
+	result = usb_submit_urb(i1480_usb->neep_urb, GFP_KERNEL);
+	if (result < 0) {
+		dev_err(dev, "%s: cannot submit NEEP read: %d\n",
+			cmd_name, result);
+			goto error_submit_ep1;
+	}
+	/* Now post the command on EP0 */
+	result = usb_control_msg(
+		i1480_usb->usb_dev, usb_sndctrlpipe(i1480_usb->usb_dev, 0),
+		WA_EXEC_RC_CMD,
+		USB_DIR_OUT | USB_RECIP_INTERFACE | USB_TYPE_CLASS,
+		0, iface_no,
+		cmd, cmd_size,
+		100 /* FIXME: this is totally arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "%s: control request failed: %d\n",
+			cmd_name, result);
+		goto error_submit_ep0;
+	}
+	d_fnend(3, dev, "(%p, %s, %zu) = %d\n",
+		i1480, cmd_name, cmd_size, result);
+	return result;
+
+error_submit_ep0:
+	usb_kill_urb(i1480_usb->neep_urb);
+error_submit_ep1:
+	d_fnend(3, dev, "(%p, %s, %zu) = %d\n",
+		i1480, cmd_name, cmd_size, result);
+	return result;
+}
+
+
+/*
+ * Probe a i1480 device for uploading firmware.
+ *
+ * We attach only to interface #0, which is the radio control interface.
+ */
+static
+int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
+{
+	struct i1480_usb *i1480_usb;
+	struct i1480 *i1480;
+	struct device *dev = &iface->dev;
+	int result;
+
+	result = -ENODEV;
+	if (iface->cur_altsetting->desc.bInterfaceNumber != 0) {
+		dev_dbg(dev, "not attaching to iface %d\n",
+			iface->cur_altsetting->desc.bInterfaceNumber);
+		goto error;
+	}
+	if (iface->num_altsetting > 1
+	    && interface_to_usbdev(iface)->descriptor.idProduct == 0xbabe) {
+		/* Need altsetting #1 [HW QUIRK] or EP1 won't work */
+		result = usb_set_interface(interface_to_usbdev(iface), 0, 1);
+		if (result < 0)
+			dev_warn(dev,
+				 "can't set altsetting 1 on iface 0: %d\n",
+				 result);
+	}
+
+	result = -ENOMEM;
+	i1480_usb = kzalloc(sizeof(*i1480_usb), GFP_KERNEL);
+	if (i1480_usb == NULL) {
+		dev_err(dev, "Unable to allocate instance\n");
+		goto error;
+	}
+	i1480_usb_init(i1480_usb);
+
+	i1480 = &i1480_usb->i1480;
+	i1480->buf_size = 512;
+	i1480->cmd_buf = kmalloc(2 * i1480->buf_size, GFP_KERNEL);
+	if (i1480->cmd_buf == NULL) {
+		dev_err(dev, "Cannot allocate transfer buffers\n");
+		result = -ENOMEM;
+		goto error_buf_alloc;
+	}
+	i1480->evt_buf = i1480->cmd_buf + i1480->buf_size;
+
+	result = i1480_usb_create(i1480_usb, iface);
+	if (result < 0) {
+		dev_err(dev, "Cannot create instance: %d\n", result);
+		goto error_create;
+	}
+
+	/* setup the fops and upload the firmare */
+	i1480->pre_fw_name = "i1480-pre-phy-0.0.bin";
+	i1480->mac_fw_name = "i1480-usb-0.0.bin";
+	i1480->mac_fw_name_deprecate = "ptc-0.0.bin";
+	i1480->phy_fw_name = "i1480-phy-0.0.bin";
+	i1480->dev = &iface->dev;
+	i1480->write = i1480_usb_write;
+	i1480->read = i1480_usb_read;
+	i1480->rc_setup = NULL;
+	i1480->wait_init_done = i1480_usb_wait_init_done;
+	i1480->cmd = i1480_usb_cmd;
+
+	result = i1480_fw_upload(&i1480_usb->i1480);	/* the real thing */
+	if (result >= 0) {
+		usb_reset_device(i1480_usb->usb_dev);
+		result = -ENODEV;	/* we don't want to bind to the iface */
+	}
+	i1480_usb_destroy(i1480_usb);
+error_create:
+	kfree(i1480->cmd_buf);
+error_buf_alloc:
+	kfree(i1480_usb);
+error:
+	return result;
+}
+
+#define i1480_USB_DEV(v, p)				\
+{							\
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE	\
+		 | USB_DEVICE_ID_MATCH_DEV_INFO		\
+		 | USB_DEVICE_ID_MATCH_INT_INFO,	\
+	.idVendor = (v),				\
+	.idProduct = (p),				\
+	.bDeviceClass = 0xff,				\
+	.bDeviceSubClass = 0xff,			\
+	.bDeviceProtocol = 0xff,			\
+	.bInterfaceClass = 0xff,			\
+	.bInterfaceSubClass = 0xff,			\
+	.bInterfaceProtocol = 0xff,			\
+}
+
+
+/** USB device ID's that we handle */
+static struct usb_device_id i1480_usb_id_table[] = {
+	i1480_USB_DEV(0x8086, 0xdf3b),
+	i1480_USB_DEV(0x15a9, 0x0005),
+	i1480_USB_DEV(0x07d1, 0x3802),
+	i1480_USB_DEV(0x050d, 0x305a),
+	i1480_USB_DEV(0x3495, 0x3007),
+	{},
+};
+MODULE_DEVICE_TABLE(usb, i1480_usb_id_table);
+
+
+static struct usb_driver i1480_dfu_driver = {
+	.name =		"i1480-dfu-usb",
+	.id_table =	i1480_usb_id_table,
+	.probe =	i1480_usb_probe,
+	.disconnect =	NULL,
+};
+
+
+/*
+ * Initialize the i1480 DFU driver.
+ *
+ * We also need to register our function for guessing event sizes.
+ */
+static int __init i1480_dfu_driver_init(void)
+{
+	return usb_register(&i1480_dfu_driver);
+}
+module_init(i1480_dfu_driver_init);
+
+
+static void __exit i1480_dfu_driver_exit(void)
+{
+	usb_deregister(&i1480_dfu_driver);
+}
+module_exit(i1480_dfu_driver_exit);
+
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Intel Wireless UWB Link 1480 firmware uploader for USB");
+MODULE_LICENSE("GPL");
diff --git a/drivers/uwb/i1480/i1480-est.c b/drivers/uwb/i1480/i1480-est.c
new file mode 100644
index 00000000000..7bf8c6febae
--- /dev/null
+++ b/drivers/uwb/i1480/i1480-est.c
@@ -0,0 +1,99 @@
+/*
+ * Intel Wireless UWB Link 1480
+ * Event Size tables for Wired Adaptors
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/uwb.h>
+#include "dfu/i1480-dfu.h"
+
+
+/** Event size table for wEvents 0x00XX */
+static struct uwb_est_entry i1480_est_fd00[] = {
+	/* Anybody expecting this response has to use
+	 * neh->extra_size to specify the real size that will
+	 * come back. */
+	[i1480_EVT_CONFIRM] = { .size = sizeof(struct i1480_evt_confirm) },
+	[i1480_CMD_SET_IP_MAS] = { .size = sizeof(struct i1480_evt_confirm) },
+#ifdef i1480_RCEB_EXTENDED
+	[0x09] = {
+		.size = sizeof(struct i1480_rceb),
+		.offset = 1 + offsetof(struct i1480_rceb, wParamLength),
+	},
+#endif
+};
+
+/** Event size table for wEvents 0x01XX */
+static struct uwb_est_entry i1480_est_fd01[] = {
+	[0xff & i1480_EVT_RM_INIT_DONE] = { .size = sizeof(struct i1480_rceb) },
+	[0xff & i1480_EVT_DEV_ADD] = { .size = sizeof(struct i1480_rceb) + 9 },
+	[0xff & i1480_EVT_DEV_RM] = { .size = sizeof(struct i1480_rceb) + 9 },
+	[0xff & i1480_EVT_DEV_ID_CHANGE] = {
+		.size = sizeof(struct i1480_rceb) + 2 },
+};
+
+static int i1480_est_init(void)
+{
+	int result = uwb_est_register(i1480_CET_VS1, 0x00, 0x8086, 0x0c3b,
+				      i1480_est_fd00,
+				      ARRAY_SIZE(i1480_est_fd00));
+	if (result < 0) {
+		printk(KERN_ERR "Can't register EST table fd00: %d\n", result);
+		return result;
+	}
+	result = uwb_est_register(i1480_CET_VS1, 0x01, 0x8086, 0x0c3b,
+				  i1480_est_fd01, ARRAY_SIZE(i1480_est_fd01));
+	if (result < 0) {
+		printk(KERN_ERR "Can't register EST table fd01: %d\n", result);
+		return result;
+	}
+	return 0;
+}
+module_init(i1480_est_init);
+
+static void i1480_est_exit(void)
+{
+	uwb_est_unregister(i1480_CET_VS1, 0x00, 0x8086, 0x0c3b,
+			   i1480_est_fd00, ARRAY_SIZE(i1480_est_fd00));
+	uwb_est_unregister(i1480_CET_VS1, 0x01, 0x8086, 0x0c3b,
+			   i1480_est_fd01, ARRAY_SIZE(i1480_est_fd01));
+}
+module_exit(i1480_est_exit);
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("i1480's Vendor Specific Event Size Tables");
+MODULE_LICENSE("GPL");
+
+/**
+ * USB device ID's that we handle
+ *
+ * [so we are loaded when this kind device is connected]
+ */
+static struct usb_device_id i1480_est_id_table[] = {
+	{ USB_DEVICE(0x8086, 0xdf3b), },
+	{ USB_DEVICE(0x8086, 0x0c3b), },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, i1480_est_id_table);
-- 
GitLab


From a21b963aa4a98c645b1fa3799f2e4a6ebb6c974a Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:21 +0100
Subject: [PATCH 0171/2224] uwb: add the i1480 WLP driver

Add the driver for the WLP capability of the Intel i1480 device.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/Kconfig                       |  10 +
 drivers/uwb/i1480/Makefile                |   1 +
 drivers/uwb/i1480/i1480-wlp.h             | 200 +++++++
 drivers/uwb/i1480/i1480u-wlp/Makefile     |   8 +
 drivers/uwb/i1480/i1480u-wlp/i1480u-wlp.h | 284 ++++++++++
 drivers/uwb/i1480/i1480u-wlp/lc.c         | 421 ++++++++++++++
 drivers/uwb/i1480/i1480u-wlp/netdev.c     | 368 +++++++++++++
 drivers/uwb/i1480/i1480u-wlp/rx.c         | 486 +++++++++++++++++
 drivers/uwb/i1480/i1480u-wlp/sysfs.c      | 408 ++++++++++++++
 drivers/uwb/i1480/i1480u-wlp/tx.c         | 632 ++++++++++++++++++++++
 10 files changed, 2818 insertions(+)
 create mode 100644 drivers/uwb/i1480/i1480-wlp.h
 create mode 100644 drivers/uwb/i1480/i1480u-wlp/Makefile
 create mode 100644 drivers/uwb/i1480/i1480u-wlp/i1480u-wlp.h
 create mode 100644 drivers/uwb/i1480/i1480u-wlp/lc.c
 create mode 100644 drivers/uwb/i1480/i1480u-wlp/netdev.c
 create mode 100644 drivers/uwb/i1480/i1480u-wlp/rx.c
 create mode 100644 drivers/uwb/i1480/i1480u-wlp/sysfs.c
 create mode 100644 drivers/uwb/i1480/i1480u-wlp/tx.c

diff --git a/drivers/uwb/Kconfig b/drivers/uwb/Kconfig
index 59acb5b001d..317e9fefbc0 100644
--- a/drivers/uwb/Kconfig
+++ b/drivers/uwb/Kconfig
@@ -76,4 +76,14 @@ config UWB_I1480U
          To compile this driver select Y (built in) or M (module). It
          is safe to select any even if you do not have the hardware.
 
+config UWB_I1480U_WLP
+        tristate "Support for Intel Wireless UWB Link 1480 HWA's WLP interface"
+        depends on UWB_I1480U &&  UWB_WLP && NET
+        help
+         This driver enables WLP support for the i1480 when connected via
+         USB. WLP is the WiMedia Link Protocol, or IP over UWB.
+
+         To compile this driver select Y (built in) or M (module). It
+         is safe to select any even if you don't have the hardware.
+
 endif # UWB
diff --git a/drivers/uwb/i1480/Makefile b/drivers/uwb/i1480/Makefile
index d69da1684cf..212bbc7d4c3 100644
--- a/drivers/uwb/i1480/Makefile
+++ b/drivers/uwb/i1480/Makefile
@@ -1 +1,2 @@
 obj-$(CONFIG_UWB_I1480U)	+= dfu/ i1480-est.o
+obj-$(CONFIG_UWB_I1480U_WLP)	+= i1480u-wlp/
diff --git a/drivers/uwb/i1480/i1480-wlp.h b/drivers/uwb/i1480/i1480-wlp.h
new file mode 100644
index 00000000000..18a8b0e4567
--- /dev/null
+++ b/drivers/uwb/i1480/i1480-wlp.h
@@ -0,0 +1,200 @@
+/*
+ * Intel 1480 Wireless UWB Link
+ * WLP specific definitions
+ *
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#ifndef __i1480_wlp_h__
+#define __i1480_wlp_h__
+
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/uwb.h>
+#include <linux/if_ether.h>
+#include <asm/byteorder.h>
+
+/* New simplified header format? */
+#undef WLP_HDR_FMT_2 		/* FIXME: rename */
+
+/**
+ * Values of the Delivery ID & Type field when PCA or DRP
+ *
+ * The Delivery ID & Type field in the WLP TX header indicates whether
+ * the frame is PCA or DRP. This is done based on the high level bit of
+ * this field.
+ * We use this constant to test if the traffic is PCA or DRP as follows:
+ * if (wlp_tx_hdr_delivery_id_type(wlp_tx_hdr) & WLP_DRP)
+ * 	this is DRP traffic
+ * else
+ * 	this is PCA traffic
+ */
+enum deliver_id_type_bit {
+	WLP_DRP = 8,
+};
+
+/**
+ * WLP TX header
+ *
+ * Indicates UWB/WLP-specific transmission parameters for a network
+ * packet.
+ */
+struct wlp_tx_hdr {
+	/* dword 0 */
+	struct uwb_dev_addr dstaddr;
+	u8                  key_index;
+	u8                  mac_params;
+	/* dword 1 */
+	u8                  phy_params;
+#ifndef WLP_HDR_FMT_2
+	u8                  reserved;
+	__le16              oui01;              /* FIXME: not so sure if __le16 or u8[2] */
+	/* dword 2 */
+	u8                  oui2;               /*        if all LE, it could be merged */
+	__le16              prid;
+#endif
+} __attribute__((packed));
+
+static inline int wlp_tx_hdr_delivery_id_type(const struct wlp_tx_hdr *hdr)
+{
+	return hdr->mac_params & 0x0f;
+}
+
+static inline int wlp_tx_hdr_ack_policy(const struct wlp_tx_hdr *hdr)
+{
+	return (hdr->mac_params >> 4) & 0x07;
+}
+
+static inline int wlp_tx_hdr_rts_cts(const struct wlp_tx_hdr *hdr)
+{
+	return (hdr->mac_params >> 7) & 0x01;
+}
+
+static inline void wlp_tx_hdr_set_delivery_id_type(struct wlp_tx_hdr *hdr, int id)
+{
+	hdr->mac_params = (hdr->mac_params & ~0x0f) | id;
+}
+
+static inline void wlp_tx_hdr_set_ack_policy(struct wlp_tx_hdr *hdr,
+					     enum uwb_ack_pol policy)
+{
+	hdr->mac_params = (hdr->mac_params & ~0x70) | (policy << 4);
+}
+
+static inline void wlp_tx_hdr_set_rts_cts(struct wlp_tx_hdr *hdr, int rts_cts)
+{
+	hdr->mac_params = (hdr->mac_params & ~0x80) | (rts_cts << 7);
+}
+
+static inline enum uwb_phy_rate wlp_tx_hdr_phy_rate(const struct wlp_tx_hdr *hdr)
+{
+	return hdr->phy_params & 0x0f;
+}
+
+static inline int wlp_tx_hdr_tx_power(const struct wlp_tx_hdr *hdr)
+{
+	return (hdr->phy_params >> 4) & 0x0f;
+}
+
+static inline void wlp_tx_hdr_set_phy_rate(struct wlp_tx_hdr *hdr, enum uwb_phy_rate rate)
+{
+	hdr->phy_params = (hdr->phy_params & ~0x0f) | rate;
+}
+
+static inline void wlp_tx_hdr_set_tx_power(struct wlp_tx_hdr *hdr, int pwr)
+{
+	hdr->phy_params = (hdr->phy_params & ~0xf0) | (pwr << 4);
+}
+
+
+/**
+ * WLP RX header
+ *
+ * Provides UWB/WLP-specific transmission data for a received
+ * network packet.
+ */
+struct wlp_rx_hdr {
+	/* dword 0 */
+	struct uwb_dev_addr dstaddr;
+	struct uwb_dev_addr srcaddr;
+	/* dword 1 */
+	u8 		    LQI;
+	s8		    RSSI;
+	u8		    reserved3;
+#ifndef WLP_HDR_FMT_2
+	u8 		    oui0;
+	/* dword 2 */
+	__le16		    oui12;
+	__le16		    prid;
+#endif
+} __attribute__((packed));
+
+
+/** User configurable options for WLP */
+struct wlp_options {
+	struct mutex mutex; /* access to user configurable options*/
+	struct wlp_tx_hdr def_tx_hdr;	/* default tx hdr */
+	u8 pca_base_priority;
+	u8 bw_alloc; /*index into bw_allocs[] for PCA/DRP reservations*/
+};
+
+
+static inline
+void wlp_options_init(struct wlp_options *options)
+{
+	mutex_init(&options->mutex);
+	wlp_tx_hdr_set_ack_policy(&options->def_tx_hdr, UWB_ACK_INM);
+	wlp_tx_hdr_set_rts_cts(&options->def_tx_hdr, 1);
+	/* FIXME: default to phy caps */
+	wlp_tx_hdr_set_phy_rate(&options->def_tx_hdr, UWB_PHY_RATE_480);
+#ifndef WLP_HDR_FMT_2
+	options->def_tx_hdr.prid = cpu_to_le16(0x0000);
+#endif
+}
+
+
+/* sysfs helpers */
+
+extern ssize_t uwb_pca_base_priority_store(struct wlp_options *,
+					   const char *, size_t);
+extern ssize_t uwb_pca_base_priority_show(const struct wlp_options *, char *);
+extern ssize_t uwb_bw_alloc_store(struct wlp_options *, const char *, size_t);
+extern ssize_t uwb_bw_alloc_show(const struct wlp_options *, char *);
+extern ssize_t uwb_ack_policy_store(struct wlp_options *,
+				    const char *, size_t);
+extern ssize_t uwb_ack_policy_show(const struct wlp_options *, char *);
+extern ssize_t uwb_rts_cts_store(struct wlp_options *, const char *, size_t);
+extern ssize_t uwb_rts_cts_show(const struct wlp_options *, char *);
+extern ssize_t uwb_phy_rate_store(struct wlp_options *, const char *, size_t);
+extern ssize_t uwb_phy_rate_show(const struct wlp_options *, char *);
+
+
+/** Simple bandwidth allocation (temporary and too simple) */
+struct wlp_bw_allocs {
+	const char *name;
+	struct {
+		u8 mask, stream;
+	} tx, rx;
+};
+
+
+#endif /* #ifndef __i1480_wlp_h__ */
diff --git a/drivers/uwb/i1480/i1480u-wlp/Makefile b/drivers/uwb/i1480/i1480u-wlp/Makefile
new file mode 100644
index 00000000000..fe6709b8e68
--- /dev/null
+++ b/drivers/uwb/i1480/i1480u-wlp/Makefile
@@ -0,0 +1,8 @@
+obj-$(CONFIG_UWB_I1480U_WLP) += i1480u-wlp.o
+
+i1480u-wlp-objs :=	\
+	lc.o		\
+	netdev.o	\
+	rx.o		\
+	sysfs.o		\
+	tx.o
diff --git a/drivers/uwb/i1480/i1480u-wlp/i1480u-wlp.h b/drivers/uwb/i1480/i1480u-wlp/i1480u-wlp.h
new file mode 100644
index 00000000000..5f1b2951bb8
--- /dev/null
+++ b/drivers/uwb/i1480/i1480u-wlp/i1480u-wlp.h
@@ -0,0 +1,284 @@
+/*
+ * Intel 1480 Wireless UWB Link USB
+ * Header formats, constants, general internal interfaces
+ *
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * This is not an standard interface.
+ *
+ * FIXME: docs
+ *
+ * i1480u-wlp is pretty simple: two endpoints, one for tx, one for
+ * rx. rx is polled. Network packets (ethernet, whatever) are wrapped
+ * in i1480 TX or RX headers (for sending over the air), and these
+ * packets are wrapped in UNTD headers (for sending to the WLP UWB
+ * controller).
+ *
+ * UNTD packets (UNTD hdr + i1480 hdr + network packet) packets
+ * cannot be bigger than i1480u_MAX_FRG_SIZE. When this happens, the
+ * i1480 packet is broken in chunks/packets:
+ *
+ * UNTD-1st.hdr + i1480.hdr + payload
+ * UNTD-next.hdr + payload
+ * ...
+ * UNTD-last.hdr + payload
+ *
+ * so that each packet is smaller or equal than i1480u_MAX_FRG_SIZE.
+ *
+ * All HW structures and bitmaps are little endian, so we need to play
+ * ugly tricks when defining bitfields. Hoping for the day GCC
+ * implements __attribute__((endian(1234))).
+ *
+ * FIXME: ROADMAP to the whole implementation
+ */
+
+#ifndef __i1480u_wlp_h__
+#define __i1480u_wlp_h__
+
+#include <linux/usb.h>
+#include <linux/netdevice.h>
+#include <linux/uwb.h>		/* struct uwb_rc, struct uwb_notifs_handler */
+#include <linux/wlp.h>
+#include "../i1480-wlp.h"
+
+#undef i1480u_FLOW_CONTROL	/* Enable flow control code */
+
+/**
+ * Basic flow control
+ */
+enum {
+	i1480u_TX_INFLIGHT_MAX = 1000,
+	i1480u_TX_INFLIGHT_THRESHOLD = 100,
+};
+
+/** Maximum size of a transaction that we can tx/rx */
+enum {
+	/* Maximum packet size computed as follows: max UNTD header (8) +
+	 * i1480 RX header (8) + max Ethernet header and payload (4096) +
+	 * Padding added by skb_reserve (2) to make post Ethernet payload
+	 * start on 16 byte boundary*/
+	i1480u_MAX_RX_PKT_SIZE = 4114,
+	i1480u_MAX_FRG_SIZE = 512,
+	i1480u_RX_BUFS = 9,
+};
+
+
+/**
+ * UNTD packet type
+ *
+ * We need to fragment any payload whose UNTD packet is going to be
+ * bigger than i1480u_MAX_FRG_SIZE.
+ */
+enum i1480u_pkt_type {
+	i1480u_PKT_FRAG_1ST = 0x1,
+	i1480u_PKT_FRAG_NXT = 0x0,
+	i1480u_PKT_FRAG_LST = 0x2,
+	i1480u_PKT_FRAG_CMP = 0x3
+};
+enum {
+	i1480u_PKT_NONE = 0x4,
+};
+
+/** USB Network Transfer Descriptor - common */
+struct untd_hdr {
+	u8     type;
+	__le16 len;
+} __attribute__((packed));
+
+static inline enum i1480u_pkt_type untd_hdr_type(const struct untd_hdr *hdr)
+{
+	return hdr->type & 0x03;
+}
+
+static inline int untd_hdr_rx_tx(const struct untd_hdr *hdr)
+{
+	return (hdr->type >> 2) & 0x01;
+}
+
+static inline void untd_hdr_set_type(struct untd_hdr *hdr, enum i1480u_pkt_type type)
+{
+	hdr->type = (hdr->type & ~0x03) | type;
+}
+
+static inline void untd_hdr_set_rx_tx(struct untd_hdr *hdr, int rx_tx)
+{
+	hdr->type = (hdr->type & ~0x04) | (rx_tx << 2);
+}
+
+
+/**
+ * USB Network Transfer Descriptor - Complete Packet
+ *
+ * This is for a packet that is smaller (header + payload) than
+ * i1480u_MAX_FRG_SIZE.
+ *
+ * @hdr.total_len is the size of the payload; the payload doesn't
+ * count this header nor the padding, but includes the size of i1480
+ * header.
+ */
+struct untd_hdr_cmp {
+	struct untd_hdr	hdr;
+	u8		padding;
+} __attribute__((packed));
+
+
+/**
+ * USB Network Transfer Descriptor - First fragment
+ *
+ * @hdr.len is the size of the *whole packet* (excluding UNTD
+ * headers); @fragment_len is the size of the payload (excluding UNTD
+ * headers, but including i1480 headers).
+ */
+struct untd_hdr_1st {
+	struct untd_hdr	hdr;
+	__le16		fragment_len;
+	u8		padding[3];
+} __attribute__((packed));
+
+
+/**
+ * USB Network Transfer Descriptor - Next / Last [Rest]
+ *
+ * @hdr.len is the size of the payload, not including headrs.
+ */
+struct untd_hdr_rst {
+	struct untd_hdr	hdr;
+	u8		padding;
+} __attribute__((packed));
+
+
+/**
+ * Transmission context
+ *
+ * Wraps all the stuff needed to track a pending/active tx
+ * operation.
+ */
+struct i1480u_tx {
+	struct list_head list_node;
+	struct i1480u *i1480u;
+	struct urb *urb;
+
+	struct sk_buff *skb;
+	struct wlp_tx_hdr *wlp_tx_hdr;
+
+	void *buf;	/* if NULL, no new buf was used */
+	size_t buf_size;
+};
+
+/**
+ * Basic flow control
+ *
+ * We maintain a basic flow control counter. "count" how many TX URBs are
+ * outstanding. Only allow "max"
+ * TX URBs to be outstanding. If this value is reached the queue will be
+ * stopped. The queue will be restarted when there are
+ * "threshold" URBs outstanding.
+ * Maintain a counter of how many time the TX queue needed to be restarted
+ * due to the "max" being exceeded and the "threshold" reached again. The
+ * timestamp "restart_ts" is to keep track from when the counter was last
+ * queried (see sysfs handling of file wlp_tx_inflight).
+ */
+struct i1480u_tx_inflight {
+	atomic_t count;
+	unsigned long max;
+	unsigned long threshold;
+	unsigned long restart_ts;
+	atomic_t restart_count;
+};
+
+/**
+ * Instance of a i1480u WLP interface
+ *
+ * Keeps references to the USB device that wraps it, as well as it's
+ * interface and associated UWB host controller. As well, it also
+ * keeps a link to the netdevice for integration into the networking
+ * stack.
+ * We maintian separate error history for the tx and rx endpoints because
+ * the implementation does not rely on locking - having one shared
+ * structure between endpoints may cause problems. Adding locking to the
+ * implementation will have higher cost than adding a separate structure.
+ */
+struct i1480u {
+	struct usb_device *usb_dev;
+	struct usb_interface *usb_iface;
+	struct net_device *net_dev;
+
+	spinlock_t lock;
+	struct net_device_stats stats;
+
+	/* RX context handling */
+	struct sk_buff *rx_skb;
+	struct uwb_dev_addr rx_srcaddr;
+	size_t rx_untd_pkt_size;
+	struct i1480u_rx_buf {
+		struct i1480u *i1480u;	/* back pointer */
+		struct urb *urb;
+		struct sk_buff *data;	/* i1480u_MAX_RX_PKT_SIZE each */
+	} rx_buf[i1480u_RX_BUFS];	/* N bufs */
+
+	spinlock_t tx_list_lock;	/* TX context */
+	struct list_head tx_list;
+	u8 tx_stream;
+
+	struct stats lqe_stats, rssi_stats;	/* radio statistics */
+
+	/* Options we can set from sysfs */
+	struct wlp_options options;
+	struct uwb_notifs_handler uwb_notifs_handler;
+	struct edc tx_errors;
+	struct edc rx_errors;
+	struct wlp wlp;
+#ifdef i1480u_FLOW_CONTROL
+	struct urb *notif_urb;
+	struct edc notif_edc;		/* error density counter */
+	u8 notif_buffer[1];
+#endif
+	struct i1480u_tx_inflight tx_inflight;
+};
+
+/* Internal interfaces */
+extern void i1480u_rx_cb(struct urb *urb);
+extern int i1480u_rx_setup(struct i1480u *);
+extern void i1480u_rx_release(struct i1480u *);
+extern void i1480u_tx_release(struct i1480u *);
+extern int i1480u_xmit_frame(struct wlp *, struct sk_buff *,
+			     struct uwb_dev_addr *);
+extern void i1480u_stop_queue(struct wlp *);
+extern void i1480u_start_queue(struct wlp *);
+extern int i1480u_sysfs_setup(struct i1480u *);
+extern void i1480u_sysfs_release(struct i1480u *);
+
+/* netdev interface */
+extern int i1480u_open(struct net_device *);
+extern int i1480u_stop(struct net_device *);
+extern int i1480u_hard_start_xmit(struct sk_buff *, struct net_device *);
+extern void i1480u_tx_timeout(struct net_device *);
+extern int i1480u_set_config(struct net_device *, struct ifmap *);
+extern struct net_device_stats *i1480u_get_stats(struct net_device *);
+extern int i1480u_change_mtu(struct net_device *, int);
+extern void i1480u_uwb_notifs_cb(void *, struct uwb_dev *, enum uwb_notifs);
+
+/* bandwidth allocation callback */
+extern void  i1480u_bw_alloc_cb(struct uwb_rsv *);
+
+/* Sys FS */
+extern struct attribute_group i1480u_wlp_attr_group;
+
+#endif /* #ifndef __i1480u_wlp_h__ */
diff --git a/drivers/uwb/i1480/i1480u-wlp/lc.c b/drivers/uwb/i1480/i1480u-wlp/lc.c
new file mode 100644
index 00000000000..737d60cd5b7
--- /dev/null
+++ b/drivers/uwb/i1480/i1480u-wlp/lc.c
@@ -0,0 +1,421 @@
+/*
+ * WUSB Wire Adapter: WLP interface
+ * Driver for the Linux Network stack.
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ *
+ * This implements a very simple network driver for the WLP USB
+ * device that is associated to a UWB (Ultra Wide Band) host.
+ *
+ * This is seen as an interface of a composite device. Once the UWB
+ * host has an association to another WLP capable device, the
+ * networking interface (aka WLP) can start to send packets back and
+ * forth.
+ *
+ * Limitations:
+ *
+ *  - Hand cranked; can't ifup the interface until there is an association
+ *
+ *  - BW allocation very simplistic [see i1480u_mas_set() and callees].
+ *
+ *
+ * ROADMAP:
+ *
+ *   ENTRY POINTS (driver model):
+ *
+ *     i1480u_driver_{exit,init}(): initialization of the driver.
+ *
+ *     i1480u_probe(): called by the driver code when a device
+ *                     matching 'i1480u_id_table' is connected.
+ *
+ *                     This allocs a netdev instance, inits with
+ *                     i1480u_add(), then registers_netdev().
+ *         i1480u_init()
+ *         i1480u_add()
+ *
+ *     i1480u_disconnect(): device has been disconnected/module
+ *                          is being removed.
+ *         i1480u_rm()
+ */
+#include <linux/version.h>
+#include <linux/if_arp.h>
+#include <linux/etherdevice.h>
+#include <linux/uwb/debug.h>
+#include "i1480u-wlp.h"
+
+
+
+static inline
+void i1480u_init(struct i1480u *i1480u)
+{
+	/* nothing so far... doesn't it suck? */
+	spin_lock_init(&i1480u->lock);
+	INIT_LIST_HEAD(&i1480u->tx_list);
+	spin_lock_init(&i1480u->tx_list_lock);
+	wlp_options_init(&i1480u->options);
+	edc_init(&i1480u->tx_errors);
+	edc_init(&i1480u->rx_errors);
+#ifdef i1480u_FLOW_CONTROL
+	edc_init(&i1480u->notif_edc);
+#endif
+	stats_init(&i1480u->lqe_stats);
+	stats_init(&i1480u->rssi_stats);
+	wlp_init(&i1480u->wlp);
+}
+
+/**
+ * Fill WLP device information structure
+ *
+ * The structure will contain a few character arrays, each ending with a
+ * null terminated string. Each string has to fit (excluding terminating
+ * character) into a specified range obtained from the WLP substack.
+ *
+ * It is still not clear exactly how this device information should be
+ * obtained. Until we find out we use the USB device descriptor as backup, some
+ * information elements have intuitive mappings, other not.
+ */
+static
+void i1480u_fill_device_info(struct wlp *wlp, struct wlp_device_info *dev_info)
+{
+	struct i1480u *i1480u = container_of(wlp, struct i1480u, wlp);
+	struct usb_device *usb_dev = i1480u->usb_dev;
+	/* Treat device name and model name the same */
+	if (usb_dev->descriptor.iProduct) {
+		usb_string(usb_dev, usb_dev->descriptor.iProduct,
+			   dev_info->name, sizeof(dev_info->name));
+		usb_string(usb_dev, usb_dev->descriptor.iProduct,
+			   dev_info->model_name, sizeof(dev_info->model_name));
+	}
+	if (usb_dev->descriptor.iManufacturer)
+		usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
+			   dev_info->manufacturer,
+			   sizeof(dev_info->manufacturer));
+	scnprintf(dev_info->model_nr, sizeof(dev_info->model_nr), "%04x",
+		  __le16_to_cpu(usb_dev->descriptor.bcdDevice));
+	if (usb_dev->descriptor.iSerialNumber)
+		usb_string(usb_dev, usb_dev->descriptor.iSerialNumber,
+			   dev_info->serial, sizeof(dev_info->serial));
+	/* FIXME: where should we obtain category? */
+	dev_info->prim_dev_type.category = cpu_to_le16(WLP_DEV_CAT_OTHER);
+	/* FIXME: Complete OUI and OUIsubdiv attributes */
+}
+
+#ifdef i1480u_FLOW_CONTROL
+/**
+ * Callback for the notification endpoint
+ *
+ * This mostly controls the xon/xoff protocol. In case of hard error,
+ * we stop the queue. If not, we always retry.
+ */
+static
+void i1480u_notif_cb(struct urb *urb, struct pt_regs *regs)
+{
+	struct i1480u *i1480u = urb->context;
+	struct usb_interface *usb_iface = i1480u->usb_iface;
+	struct device *dev = &usb_iface->dev;
+	int result;
+
+	switch (urb->status) {
+	case 0:				/* Got valid data, do xon/xoff */
+		switch (i1480u->notif_buffer[0]) {
+		case 'N':
+			dev_err(dev, "XOFF STOPPING queue at %lu\n", jiffies);
+			netif_stop_queue(i1480u->net_dev);
+			break;
+		case 'A':
+			dev_err(dev, "XON STARTING queue at %lu\n", jiffies);
+			netif_start_queue(i1480u->net_dev);
+			break;
+		default:
+			dev_err(dev, "NEP: unknown data 0x%02hhx\n",
+				i1480u->notif_buffer[0]);
+		}
+		break;
+	case -ECONNRESET:		/* Controlled situation ... */
+	case -ENOENT:			/* we killed the URB... */
+		dev_err(dev, "NEP: URB reset/noent %d\n", urb->status);
+		goto error;
+	case -ESHUTDOWN:		/* going away! */
+		dev_err(dev, "NEP: URB down %d\n", urb->status);
+		goto error;
+	default:			/* Retry unless it gets ugly */
+		if (edc_inc(&i1480u->notif_edc, EDC_MAX_ERRORS,
+			    EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "NEP: URB max acceptable errors "
+				"exceeded; resetting device\n");
+			goto error_reset;
+		}
+		dev_err(dev, "NEP: URB error %d\n", urb->status);
+		break;
+	}
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result < 0) {
+		dev_err(dev, "NEP: Can't resubmit URB: %d; resetting device\n",
+			result);
+		goto error_reset;
+	}
+	return;
+
+error_reset:
+	wlp_reset_all(&i1480-wlp);
+error:
+	netif_stop_queue(i1480u->net_dev);
+	return;
+}
+#endif
+
+static
+int i1480u_add(struct i1480u *i1480u, struct usb_interface *iface)
+{
+	int result = -ENODEV;
+	struct wlp *wlp = &i1480u->wlp;
+	struct usb_device *usb_dev = interface_to_usbdev(iface);
+	struct net_device *net_dev = i1480u->net_dev;
+	struct uwb_rc *rc;
+	struct uwb_dev *uwb_dev;
+#ifdef i1480u_FLOW_CONTROL
+	struct usb_endpoint_descriptor *epd;
+#endif
+
+	i1480u->usb_dev = usb_get_dev(usb_dev);
+	i1480u->usb_iface = iface;
+	rc = uwb_rc_get_by_grandpa(&i1480u->usb_dev->dev);
+	if (rc == NULL) {
+		dev_err(&iface->dev, "Cannot get associated UWB Radio "
+			"Controller\n");
+		goto out;
+	}
+	wlp->xmit_frame = i1480u_xmit_frame;
+	wlp->fill_device_info = i1480u_fill_device_info;
+	wlp->stop_queue = i1480u_stop_queue;
+	wlp->start_queue = i1480u_start_queue;
+	result = wlp_setup(wlp, rc);
+	if (result < 0) {
+		dev_err(&iface->dev, "Cannot setup WLP\n");
+		goto error_wlp_setup;
+	}
+	result = 0;
+	ether_setup(net_dev);			/* make it an etherdevice */
+	uwb_dev = &rc->uwb_dev;
+	/* FIXME: hookup address change notifications? */
+
+	memcpy(net_dev->dev_addr, uwb_dev->mac_addr.data,
+	       sizeof(net_dev->dev_addr));
+
+	net_dev->hard_header_len = sizeof(struct untd_hdr_cmp)
+		+ sizeof(struct wlp_tx_hdr)
+		+ WLP_DATA_HLEN
+		+ ETH_HLEN;
+	net_dev->mtu = 3500;
+	net_dev->tx_queue_len = 20;		/* FIXME: maybe use 1000? */
+
+/*	net_dev->flags &= ~IFF_BROADCAST;	FIXME: BUG in firmware */
+	/* FIXME: multicast disabled */
+	net_dev->flags &= ~IFF_MULTICAST;
+	net_dev->features &= ~NETIF_F_SG;
+	net_dev->features &= ~NETIF_F_FRAGLIST;
+	/* All NETIF_F_*_CSUM disabled */
+	net_dev->features |= NETIF_F_HIGHDMA;
+	net_dev->watchdog_timeo = 5*HZ;		/* FIXME: a better default? */
+
+	net_dev->open = i1480u_open;
+	net_dev->stop = i1480u_stop;
+	net_dev->hard_start_xmit = i1480u_hard_start_xmit;
+	net_dev->tx_timeout = i1480u_tx_timeout;
+	net_dev->get_stats = i1480u_get_stats;
+	net_dev->set_config = i1480u_set_config;
+	net_dev->change_mtu = i1480u_change_mtu;
+
+#ifdef i1480u_FLOW_CONTROL
+	/* Notification endpoint setup (submitted when we open the device) */
+	i1480u->notif_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (i1480u->notif_urb == NULL) {
+		dev_err(&iface->dev, "Unable to allocate notification URB\n");
+		result = -ENOMEM;
+		goto error_urb_alloc;
+	}
+	epd = &iface->cur_altsetting->endpoint[0].desc;
+	usb_fill_int_urb(i1480u->notif_urb, usb_dev,
+			 usb_rcvintpipe(usb_dev, epd->bEndpointAddress),
+			 i1480u->notif_buffer, sizeof(i1480u->notif_buffer),
+			 i1480u_notif_cb, i1480u, epd->bInterval);
+
+#endif
+
+	i1480u->tx_inflight.max = i1480u_TX_INFLIGHT_MAX;
+	i1480u->tx_inflight.threshold = i1480u_TX_INFLIGHT_THRESHOLD;
+	i1480u->tx_inflight.restart_ts = jiffies;
+	usb_set_intfdata(iface, i1480u);
+	return result;
+
+#ifdef i1480u_FLOW_CONTROL
+error_urb_alloc:
+#endif
+	wlp_remove(wlp);
+error_wlp_setup:
+	uwb_rc_put(rc);
+out:
+	usb_put_dev(i1480u->usb_dev);
+	return result;
+}
+
+static void i1480u_rm(struct i1480u *i1480u)
+{
+	struct uwb_rc *rc = i1480u->wlp.rc;
+	usb_set_intfdata(i1480u->usb_iface, NULL);
+#ifdef i1480u_FLOW_CONTROL
+	usb_kill_urb(i1480u->notif_urb);
+	usb_free_urb(i1480u->notif_urb);
+#endif
+	wlp_remove(&i1480u->wlp);
+	uwb_rc_put(rc);
+	usb_put_dev(i1480u->usb_dev);
+}
+
+/** Just setup @net_dev's i1480u private data */
+static void i1480u_netdev_setup(struct net_device *net_dev)
+{
+	struct i1480u *i1480u = netdev_priv(net_dev);
+	/* Initialize @i1480u */
+	memset(i1480u, 0, sizeof(*i1480u));
+	i1480u_init(i1480u);
+}
+
+/**
+ * Probe a i1480u interface and register it
+ *
+ * @iface:   USB interface to link to
+ * @id:      USB class/subclass/protocol id
+ * @returns: 0 if ok, < 0 errno code on error.
+ *
+ * Does basic housekeeping stuff and then allocs a netdev with space
+ * for the i1480u  data. Initializes, registers in i1480u, registers in
+ * netdev, ready to go.
+ */
+static int i1480u_probe(struct usb_interface *iface,
+			const struct usb_device_id *id)
+{
+	int result;
+	struct net_device *net_dev;
+	struct device *dev = &iface->dev;
+	struct i1480u *i1480u;
+
+	/* Allocate instance [calls i1480u_netdev_setup() on it] */
+	result = -ENOMEM;
+	net_dev = alloc_netdev(sizeof(*i1480u), "wlp%d", i1480u_netdev_setup);
+	if (net_dev == NULL) {
+		dev_err(dev, "no memory for network device instance\n");
+		goto error_alloc_netdev;
+	}
+	SET_NETDEV_DEV(net_dev, dev);
+	i1480u = netdev_priv(net_dev);
+	i1480u->net_dev = net_dev;
+	result = i1480u_add(i1480u, iface);	/* Now setup all the wlp stuff */
+	if (result < 0) {
+		dev_err(dev, "cannot add i1480u device: %d\n", result);
+		goto error_i1480u_add;
+	}
+	result = register_netdev(net_dev);	/* Okey dokey, bring it up */
+	if (result < 0) {
+		dev_err(dev, "cannot register network device: %d\n", result);
+		goto error_register_netdev;
+	}
+	i1480u_sysfs_setup(i1480u);
+	if (result < 0)
+		goto error_sysfs_init;
+	return 0;
+
+error_sysfs_init:
+	unregister_netdev(net_dev);
+error_register_netdev:
+	i1480u_rm(i1480u);
+error_i1480u_add:
+	free_netdev(net_dev);
+error_alloc_netdev:
+	return result;
+}
+
+
+/**
+ * Disconect a i1480u from the system.
+ *
+ * i1480u_stop() has been called before, so al the rx and tx contexts
+ * have been taken down already. Make sure the queue is stopped,
+ * unregister netdev and i1480u, free and kill.
+ */
+static void i1480u_disconnect(struct usb_interface *iface)
+{
+	struct i1480u *i1480u;
+	struct net_device *net_dev;
+
+	i1480u = usb_get_intfdata(iface);
+	net_dev = i1480u->net_dev;
+	netif_stop_queue(net_dev);
+#ifdef i1480u_FLOW_CONTROL
+	usb_kill_urb(i1480u->notif_urb);
+#endif
+	i1480u_sysfs_release(i1480u);
+	unregister_netdev(net_dev);
+	i1480u_rm(i1480u);
+	free_netdev(net_dev);
+}
+
+static struct usb_device_id i1480u_id_table[] = {
+	{
+		.match_flags = USB_DEVICE_ID_MATCH_DEVICE \
+				|  USB_DEVICE_ID_MATCH_DEV_INFO \
+				|  USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor = 0x8086,
+		.idProduct = 0x0c3b,
+		.bDeviceClass = 0xef,
+		.bDeviceSubClass = 0x02,
+		.bDeviceProtocol = 0x02,
+		.bInterfaceClass = 0xff,
+		.bInterfaceSubClass = 0xff,
+		.bInterfaceProtocol = 0xff,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(usb, i1480u_id_table);
+
+static struct usb_driver i1480u_driver = {
+	.name =		KBUILD_MODNAME,
+	.probe =	i1480u_probe,
+	.disconnect =	i1480u_disconnect,
+	.id_table =	i1480u_id_table,
+};
+
+static int __init i1480u_driver_init(void)
+{
+	return usb_register(&i1480u_driver);
+}
+module_init(i1480u_driver_init);
+
+
+static void __exit i1480u_driver_exit(void)
+{
+	usb_deregister(&i1480u_driver);
+}
+module_exit(i1480u_driver_exit);
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("i1480 Wireless UWB Link WLP networking for USB");
+MODULE_LICENSE("GPL");
diff --git a/drivers/uwb/i1480/i1480u-wlp/netdev.c b/drivers/uwb/i1480/i1480u-wlp/netdev.c
new file mode 100644
index 00000000000..8802ac43d87
--- /dev/null
+++ b/drivers/uwb/i1480/i1480u-wlp/netdev.c
@@ -0,0 +1,368 @@
+/*
+ * WUSB Wire Adapter: WLP interface
+ * Driver for the Linux Network stack.
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ *
+ * Implementation of the netdevice linkage (except tx and rx related stuff).
+ *
+ * ROADMAP:
+ *
+ *   ENTRY POINTS (Net device):
+ *
+ *     i1480u_open(): Called when we ifconfig up the interface;
+ *                    associates to a UWB host controller, reserves
+ *                    bandwidth (MAS), sets up RX USB URB and starts
+ *                    the queue.
+ *
+ *     i1480u_stop(): Called when we ifconfig down a interface;
+ *                    reverses _open().
+ *
+ *     i1480u_set_config():
+ */
+
+#include <linux/if_arp.h>
+#include <linux/etherdevice.h>
+#include <linux/uwb/debug.h>
+#include "i1480u-wlp.h"
+
+struct i1480u_cmd_set_ip_mas {
+	struct uwb_rccb     rccb;
+	struct uwb_dev_addr addr;
+	u8                  stream;
+	u8                  owner;
+	u8                  type;	/* enum uwb_drp_type */
+	u8                  baMAS[32];
+} __attribute__((packed));
+
+
+static
+int i1480u_set_ip_mas(
+	struct uwb_rc *rc,
+	const struct uwb_dev_addr *dstaddr,
+	u8 stream, u8 owner, u8 type, unsigned long *mas)
+{
+
+	int result;
+	struct i1480u_cmd_set_ip_mas *cmd;
+	struct uwb_rc_evt_confirm reply;
+
+	result = -ENOMEM;
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (cmd == NULL)
+		goto error_kzalloc;
+	cmd->rccb.bCommandType = 0xfd;
+	cmd->rccb.wCommand = cpu_to_le16(0x000e);
+	cmd->addr = *dstaddr;
+	cmd->stream = stream;
+	cmd->owner = owner;
+	cmd->type = type;
+	if (mas == NULL)
+		memset(cmd->baMAS, 0x00, sizeof(cmd->baMAS));
+	else
+		memcpy(cmd->baMAS, mas, sizeof(cmd->baMAS));
+	reply.rceb.bEventType = 0xfd;
+	reply.rceb.wEvent = cpu_to_le16(0x000e);
+	result = uwb_rc_cmd(rc, "SET-IP-MAS", &cmd->rccb, sizeof(*cmd),
+			    &reply.rceb, sizeof(reply));
+	if (result < 0)
+		goto error_cmd;
+	if (reply.bResultCode != UWB_RC_RES_FAIL) {
+		dev_err(&rc->uwb_dev.dev,
+			"SET-IP-MAS: command execution failed: %d\n",
+			reply.bResultCode);
+		result = -EIO;
+	}
+error_cmd:
+	kfree(cmd);
+error_kzalloc:
+	return result;
+}
+
+/*
+ * Inform a WLP interface of a MAS reservation
+ *
+ * @rc is assumed refcnted.
+ */
+/* FIXME: detect if remote device is WLP capable? */
+static int i1480u_mas_set_dev(struct uwb_dev *uwb_dev, struct uwb_rc *rc,
+			      u8 stream, u8 owner, u8 type, unsigned long *mas)
+{
+	int result = 0;
+	struct device *dev = &rc->uwb_dev.dev;
+
+	result = i1480u_set_ip_mas(rc, &uwb_dev->dev_addr, stream, owner,
+				   type, mas);
+	if (result < 0) {
+		char rcaddrbuf[UWB_ADDR_STRSIZE], devaddrbuf[UWB_ADDR_STRSIZE];
+		uwb_dev_addr_print(rcaddrbuf, sizeof(rcaddrbuf),
+				   &rc->uwb_dev.dev_addr);
+		uwb_dev_addr_print(devaddrbuf, sizeof(devaddrbuf),
+				   &uwb_dev->dev_addr);
+		dev_err(dev, "Set IP MAS (%s to %s) failed: %d\n",
+			rcaddrbuf, devaddrbuf, result);
+	}
+	return result;
+}
+
+/**
+ * Called by bandwidth allocator when change occurs in reservation.
+ *
+ * @rsv:     The reservation that is being established, modified, or
+ *           terminated.
+ *
+ * When a reservation is established, modified, or terminated the upper layer
+ * (WLP here) needs set/update the currently available Media Access Slots
+ * that can be use for IP traffic.
+ *
+ * Our action taken during failure depends on how the reservation is being
+ * changed:
+ * - if reservation is being established we do nothing if we cannot set the
+ *   new MAS to be used
+ * - if reservation is being terminated we revert back to PCA whether the
+ *   SET IP MAS command succeeds or not.
+ */
+void i1480u_bw_alloc_cb(struct uwb_rsv *rsv)
+{
+	int result = 0;
+	struct i1480u *i1480u = rsv->pal_priv;
+	struct device *dev = &i1480u->usb_iface->dev;
+	struct uwb_dev *target_dev = rsv->target.dev;
+	struct uwb_rc *rc = i1480u->wlp.rc;
+	u8 stream = rsv->stream;
+	int type = rsv->type;
+	int is_owner = rsv->owner == &rc->uwb_dev;
+	unsigned long *bmp = rsv->mas.bm;
+
+	dev_err(dev, "WLP callback called - sending set ip mas\n");
+	/*user cannot change options while setting configuration*/
+	mutex_lock(&i1480u->options.mutex);
+	switch (rsv->state) {
+	case UWB_RSV_STATE_T_ACCEPTED:
+	case UWB_RSV_STATE_O_ESTABLISHED:
+		result = i1480u_mas_set_dev(target_dev, rc, stream, is_owner,
+					type, bmp);
+		if (result < 0) {
+			dev_err(dev, "MAS reservation failed: %d\n", result);
+			goto out;
+		}
+		if (is_owner) {
+			wlp_tx_hdr_set_delivery_id_type(&i1480u->options.def_tx_hdr,
+							WLP_DRP | stream);
+			wlp_tx_hdr_set_rts_cts(&i1480u->options.def_tx_hdr, 0);
+		}
+		break;
+	case UWB_RSV_STATE_NONE:
+		/* revert back to PCA */
+		result = i1480u_mas_set_dev(target_dev, rc, stream, is_owner,
+					    type, bmp);
+		if (result < 0)
+			dev_err(dev, "MAS reservation failed: %d\n", result);
+		/* Revert to PCA even though SET IP MAS failed. */
+		wlp_tx_hdr_set_delivery_id_type(&i1480u->options.def_tx_hdr,
+						i1480u->options.pca_base_priority);
+		wlp_tx_hdr_set_rts_cts(&i1480u->options.def_tx_hdr, 1);
+		break;
+	default:
+		dev_err(dev, "unexpected WLP reservation state: %s (%d).\n",
+			uwb_rsv_state_str(rsv->state), rsv->state);
+		break;
+	}
+out:
+	mutex_unlock(&i1480u->options.mutex);
+	return;
+}
+
+/**
+ *
+ * Called on 'ifconfig up'
+ */
+int i1480u_open(struct net_device *net_dev)
+{
+	int result;
+	struct i1480u *i1480u = netdev_priv(net_dev);
+	struct wlp *wlp = &i1480u->wlp;
+	struct uwb_rc *rc;
+	struct device *dev = &i1480u->usb_iface->dev;
+
+	rc = wlp->rc;
+	result = i1480u_rx_setup(i1480u);		/* Alloc RX stuff */
+	if (result < 0)
+		goto error_rx_setup;
+	netif_wake_queue(net_dev);
+#ifdef i1480u_FLOW_CONTROL
+	result = usb_submit_urb(i1480u->notif_urb, GFP_KERNEL);;
+	if (result < 0) {
+		dev_err(dev, "Can't submit notification URB: %d\n", result);
+		goto error_notif_urb_submit;
+	}
+#endif
+	i1480u->uwb_notifs_handler.cb = i1480u_uwb_notifs_cb;
+	i1480u->uwb_notifs_handler.data = i1480u;
+	if (uwb_bg_joined(rc))
+		netif_carrier_on(net_dev);
+	else
+		netif_carrier_off(net_dev);
+	uwb_notifs_register(rc, &i1480u->uwb_notifs_handler);
+	/* Interface is up with an address, now we can create WSS */
+	result = wlp_wss_setup(net_dev, &wlp->wss);
+	if (result < 0) {
+		dev_err(dev, "Can't create WSS: %d. \n", result);
+		goto error_notif_deregister;
+	}
+	return 0;
+error_notif_deregister:
+	uwb_notifs_deregister(rc, &i1480u->uwb_notifs_handler);
+#ifdef i1480u_FLOW_CONTROL
+error_notif_urb_submit:
+#endif
+	netif_stop_queue(net_dev);
+	i1480u_rx_release(i1480u);
+error_rx_setup:
+	return result;
+}
+
+
+/**
+ * Called on 'ifconfig down'
+ */
+int i1480u_stop(struct net_device *net_dev)
+{
+	struct i1480u *i1480u = netdev_priv(net_dev);
+	struct wlp *wlp = &i1480u->wlp;
+	struct uwb_rc *rc = wlp->rc;
+
+	BUG_ON(wlp->rc == NULL);
+	wlp_wss_remove(&wlp->wss);
+	uwb_notifs_deregister(rc, &i1480u->uwb_notifs_handler);
+	netif_carrier_off(net_dev);
+#ifdef i1480u_FLOW_CONTROL
+	usb_kill_urb(i1480u->notif_urb);
+#endif
+	netif_stop_queue(net_dev);
+	i1480u_rx_release(i1480u);
+	i1480u_tx_release(i1480u);
+	return 0;
+}
+
+
+/** Report statistics */
+struct net_device_stats *i1480u_get_stats(struct net_device *net_dev)
+{
+	struct i1480u *i1480u = netdev_priv(net_dev);
+	return &i1480u->stats;
+}
+
+
+/**
+ *
+ * Change the interface config--we probably don't have to do anything.
+ */
+int i1480u_set_config(struct net_device *net_dev, struct ifmap *map)
+{
+	int result;
+	struct i1480u *i1480u = netdev_priv(net_dev);
+	BUG_ON(i1480u->wlp.rc == NULL);
+	result = 0;
+	return result;
+}
+
+/**
+ * Change the MTU of the interface
+ */
+int i1480u_change_mtu(struct net_device *net_dev, int mtu)
+{
+	static union {
+		struct wlp_tx_hdr tx;
+		struct wlp_rx_hdr rx;
+	} i1480u_all_hdrs;
+
+	if (mtu < ETH_HLEN)	/* We encap eth frames */
+		return -ERANGE;
+	if (mtu > 4000 - sizeof(i1480u_all_hdrs))
+		return -ERANGE;
+	net_dev->mtu = mtu;
+	return 0;
+}
+
+
+/**
+ * Callback function to handle events from UWB
+ * When we see other devices we know the carrier is ok,
+ * if we are the only device in the beacon group we set the carrier
+ * state to off.
+ * */
+void i1480u_uwb_notifs_cb(void *data, struct uwb_dev *uwb_dev,
+			  enum uwb_notifs event)
+{
+	struct i1480u *i1480u = data;
+	struct net_device *net_dev = i1480u->net_dev;
+	struct device *dev = &i1480u->usb_iface->dev;
+	switch (event) {
+	case UWB_NOTIF_BG_JOIN:
+		netif_carrier_on(net_dev);
+		dev_info(dev, "Link is up\n");
+		break;
+	case UWB_NOTIF_BG_LEAVE:
+		netif_carrier_off(net_dev);
+		dev_info(dev, "Link is down\n");
+		break;
+	default:
+		dev_err(dev, "don't know how to handle event %d from uwb\n",
+				event);
+	}
+}
+
+/**
+ * Stop the network queue
+ *
+ * Enable WLP substack to stop network queue. We also set the flow control
+ * threshold at this time to prevent the flow control from restarting the
+ * queue.
+ *
+ * we are loosing the current threshold value here ... FIXME?
+ */
+void i1480u_stop_queue(struct wlp *wlp)
+{
+	struct i1480u *i1480u = container_of(wlp, struct i1480u, wlp);
+	struct net_device *net_dev = i1480u->net_dev;
+	i1480u->tx_inflight.threshold = 0;
+	netif_stop_queue(net_dev);
+}
+
+/**
+ * Start the network queue
+ *
+ * Enable WLP substack to start network queue. Also re-enable the flow
+ * control to manage the queue again.
+ *
+ * We re-enable the flow control by storing the default threshold in the
+ * flow control threshold. This means that if the user modified the
+ * threshold before the queue was stopped and restarted that information
+ * will be lost. FIXME?
+ */
+void i1480u_start_queue(struct wlp *wlp)
+{
+	struct i1480u *i1480u = container_of(wlp, struct i1480u, wlp);
+	struct net_device *net_dev = i1480u->net_dev;
+	i1480u->tx_inflight.threshold = i1480u_TX_INFLIGHT_THRESHOLD;
+	netif_start_queue(net_dev);
+}
diff --git a/drivers/uwb/i1480/i1480u-wlp/rx.c b/drivers/uwb/i1480/i1480u-wlp/rx.c
new file mode 100644
index 00000000000..9fc035354a7
--- /dev/null
+++ b/drivers/uwb/i1480/i1480u-wlp/rx.c
@@ -0,0 +1,486 @@
+/*
+ * WUSB Wire Adapter: WLP interface
+ * Driver for the Linux Network stack.
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * i1480u's RX handling is simple. i1480u will send the received
+ * network packets broken up in fragments; 1 to N fragments make a
+ * packet, we assemble them together and deliver the packet with netif_rx().
+ *
+ * Beacuse each USB transfer is a *single* fragment (except when the
+ * transfer contains a first fragment), each URB called thus
+ * back contains one or two fragments. So we queue N URBs, each with its own
+ * fragment buffer. When a URB is done, we process it (adding to the
+ * current skb from the fragment buffer until complete). Once
+ * processed, we requeue the URB. There is always a bunch of URBs
+ * ready to take data, so the intergap should be minimal.
+ *
+ * An URB's transfer buffer is the data field of a socket buffer. This
+ * reduces copying as data can be passed directly to network layer. If a
+ * complete packet or 1st fragment is received the URB's transfer buffer is
+ * taken away from it and used to send data to the network layer. In this
+ * case a new transfer buffer is allocated to the URB before being requeued.
+ * If a "NEXT" or "LAST" fragment is received, the fragment contents is
+ * appended to the RX packet under construction and the transfer buffer
+ * is reused. To be able to use this buffer to assemble complete packets
+ * we set each buffer's size to that of the MAX ethernet packet that can
+ * be received. There is thus room for improvement in memory usage.
+ *
+ * When the max tx fragment size increases, we should be able to read
+ * data into the skbs directly with very simple code.
+ *
+ * ROADMAP:
+ *
+ *   ENTRY POINTS:
+ *
+ *     i1480u_rx_setup(): setup RX context [from i1480u_open()]
+ *
+ *     i1480u_rx_release(): release RX context [from i1480u_stop()]
+ *
+ *     i1480u_rx_cb(): called when the RX USB URB receives a
+ *                     packet. It removes the header and pushes it up
+ *                     the Linux netdev stack with netif_rx().
+ *
+ *       i1480u_rx_buffer()
+ *         i1480u_drop() and i1480u_fix()
+ *         i1480u_skb_deliver
+ *
+ */
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include "i1480u-wlp.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+
+/**
+ * Setup the RX context
+ *
+ * Each URB is provided with a transfer_buffer that is the data field
+ * of a new socket buffer.
+ */
+int i1480u_rx_setup(struct i1480u *i1480u)
+{
+	int result, cnt;
+	struct device *dev = &i1480u->usb_iface->dev;
+	struct net_device *net_dev = i1480u->net_dev;
+	struct usb_endpoint_descriptor *epd;
+	struct sk_buff *skb;
+
+	/* Alloc RX stuff */
+	i1480u->rx_skb = NULL;	/* not in process of receiving packet */
+	result = -ENOMEM;
+	epd = &i1480u->usb_iface->cur_altsetting->endpoint[1].desc;
+	for (cnt = 0; cnt < i1480u_RX_BUFS; cnt++) {
+		struct i1480u_rx_buf *rx_buf = &i1480u->rx_buf[cnt];
+		rx_buf->i1480u = i1480u;
+		skb = dev_alloc_skb(i1480u_MAX_RX_PKT_SIZE);
+		if (!skb) {
+			dev_err(dev,
+				"RX: cannot allocate RX buffer %d\n", cnt);
+			result = -ENOMEM;
+			goto error;
+		}
+		skb->dev = net_dev;
+		skb->ip_summed = CHECKSUM_NONE;
+		skb_reserve(skb, 2);
+		rx_buf->data = skb;
+		rx_buf->urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (unlikely(rx_buf->urb == NULL)) {
+			dev_err(dev, "RX: cannot allocate URB %d\n", cnt);
+			result = -ENOMEM;
+			goto error;
+		}
+		usb_fill_bulk_urb(rx_buf->urb, i1480u->usb_dev,
+			  usb_rcvbulkpipe(i1480u->usb_dev, epd->bEndpointAddress),
+			  rx_buf->data->data, i1480u_MAX_RX_PKT_SIZE - 2,
+			  i1480u_rx_cb, rx_buf);
+		result = usb_submit_urb(rx_buf->urb, GFP_NOIO);
+		if (unlikely(result < 0)) {
+			dev_err(dev, "RX: cannot submit URB %d: %d\n",
+				cnt, result);
+			goto error;
+		}
+	}
+	return 0;
+
+error:
+	i1480u_rx_release(i1480u);
+	return result;
+}
+
+
+/** Release resources associated to the rx context */
+void i1480u_rx_release(struct i1480u *i1480u)
+{
+	int cnt;
+	for (cnt = 0; cnt < i1480u_RX_BUFS; cnt++) {
+		if (i1480u->rx_buf[cnt].data)
+			dev_kfree_skb(i1480u->rx_buf[cnt].data);
+		if (i1480u->rx_buf[cnt].urb) {
+			usb_kill_urb(i1480u->rx_buf[cnt].urb);
+			usb_free_urb(i1480u->rx_buf[cnt].urb);
+		}
+	}
+	if (i1480u->rx_skb != NULL)
+		dev_kfree_skb(i1480u->rx_skb);
+}
+
+static
+void i1480u_rx_unlink_urbs(struct i1480u *i1480u)
+{
+	int cnt;
+	for (cnt = 0; cnt < i1480u_RX_BUFS; cnt++) {
+		if (i1480u->rx_buf[cnt].urb)
+			usb_unlink_urb(i1480u->rx_buf[cnt].urb);
+	}
+}
+
+/** Fix an out-of-sequence packet */
+#define i1480u_fix(i1480u, msg...)			\
+do {							\
+	if (printk_ratelimit())				\
+		dev_err(&i1480u->usb_iface->dev, msg);	\
+	dev_kfree_skb_irq(i1480u->rx_skb);		\
+	i1480u->rx_skb = NULL;				\
+	i1480u->rx_untd_pkt_size = 0;			\
+} while (0)
+
+
+/** Drop an out-of-sequence packet */
+#define i1480u_drop(i1480u, msg...)			\
+do {							\
+	if (printk_ratelimit())				\
+		dev_err(&i1480u->usb_iface->dev, msg);	\
+	i1480u->stats.rx_dropped++;			\
+} while (0)
+
+
+
+
+/** Finalizes setting up the SKB and delivers it
+ *
+ * We first pass the incoming frame to WLP substack for verification. It
+ * may also be a WLP association frame in which case WLP will take over the
+ * processing. If WLP does not take it over it will still verify it, if the
+ * frame is invalid the skb will be freed by WLP and we will not continue
+ * parsing.
+ * */
+static
+void i1480u_skb_deliver(struct i1480u *i1480u)
+{
+	int should_parse;
+	struct net_device *net_dev = i1480u->net_dev;
+	struct device *dev = &i1480u->usb_iface->dev;
+
+	d_printf(6, dev, "RX delivered pre skb(%p), %u bytes\n",
+		 i1480u->rx_skb, i1480u->rx_skb->len);
+	d_dump(7, dev, i1480u->rx_skb->data, i1480u->rx_skb->len);
+	should_parse = wlp_receive_frame(dev, &i1480u->wlp, i1480u->rx_skb,
+					 &i1480u->rx_srcaddr);
+	if (!should_parse)
+		goto out;
+	i1480u->rx_skb->protocol = eth_type_trans(i1480u->rx_skb, net_dev);
+	d_printf(5, dev, "RX delivered skb(%p), %u bytes\n",
+		 i1480u->rx_skb, i1480u->rx_skb->len);
+	d_dump(7, dev, i1480u->rx_skb->data,
+	       i1480u->rx_skb->len > 72 ? 72 : i1480u->rx_skb->len);
+	i1480u->stats.rx_packets++;
+	i1480u->stats.rx_bytes += i1480u->rx_untd_pkt_size;
+	net_dev->last_rx = jiffies;
+	/* FIXME: flow control: check netif_rx() retval */
+
+	netif_rx(i1480u->rx_skb);		/* deliver */
+out:
+	i1480u->rx_skb = NULL;
+	i1480u->rx_untd_pkt_size = 0;
+}
+
+
+/**
+ * Process a buffer of data received from the USB RX endpoint
+ *
+ * First fragment arrives with next or last fragment. All other fragments
+ * arrive alone.
+ *
+ * /me hates long functions.
+ */
+static
+void i1480u_rx_buffer(struct i1480u_rx_buf *rx_buf)
+{
+	unsigned pkt_completed = 0;	/* !0 when we got all pkt fragments */
+	size_t untd_hdr_size, untd_frg_size;
+	size_t i1480u_hdr_size;
+	struct wlp_rx_hdr *i1480u_hdr = NULL;
+
+	struct i1480u *i1480u = rx_buf->i1480u;
+	struct sk_buff *skb = rx_buf->data;
+	int size_left = rx_buf->urb->actual_length;
+	void *ptr = rx_buf->urb->transfer_buffer; /* also rx_buf->data->data */
+	struct untd_hdr *untd_hdr;
+
+	struct net_device *net_dev = i1480u->net_dev;
+	struct device *dev = &i1480u->usb_iface->dev;
+	struct sk_buff *new_skb;
+
+#if 0
+	dev_fnstart(dev,
+		    "(i1480u %p ptr %p size_left %zu)\n", i1480u, ptr, size_left);
+	dev_err(dev, "RX packet, %zu bytes\n", size_left);
+	dump_bytes(dev, ptr, size_left);
+#endif
+	i1480u_hdr_size = sizeof(struct wlp_rx_hdr);
+
+	while (size_left > 0) {
+		if (pkt_completed) {
+			i1480u_drop(i1480u, "RX: fragment follows completed"
+					 "packet in same buffer. Dropping\n");
+			break;
+		}
+		untd_hdr = ptr;
+		if (size_left < sizeof(*untd_hdr)) {	/*  Check the UNTD header */
+			i1480u_drop(i1480u, "RX: short UNTD header! Dropping\n");
+			goto out;
+		}
+		if (unlikely(untd_hdr_rx_tx(untd_hdr) == 0)) {	/* Paranoia: TX set? */
+			i1480u_drop(i1480u, "RX: TX bit set! Dropping\n");
+			goto out;
+		}
+		switch (untd_hdr_type(untd_hdr)) {	/* Check the UNTD header type */
+		case i1480u_PKT_FRAG_1ST: {
+			struct untd_hdr_1st *untd_hdr_1st = (void *) untd_hdr;
+			dev_dbg(dev, "1st fragment\n");
+			untd_hdr_size = sizeof(struct untd_hdr_1st);
+			if (i1480u->rx_skb != NULL)
+				i1480u_fix(i1480u, "RX: 1st fragment out of "
+					"sequence! Fixing\n");
+			if (size_left < untd_hdr_size + i1480u_hdr_size) {
+				i1480u_drop(i1480u, "RX: short 1st fragment! "
+					"Dropping\n");
+				goto out;
+			}
+			i1480u->rx_untd_pkt_size = le16_to_cpu(untd_hdr->len)
+						 - i1480u_hdr_size;
+			untd_frg_size = le16_to_cpu(untd_hdr_1st->fragment_len);
+			if (size_left < untd_hdr_size + untd_frg_size) {
+				i1480u_drop(i1480u,
+					    "RX: short payload! Dropping\n");
+				goto out;
+			}
+			i1480u->rx_skb = skb;
+			i1480u_hdr = (void *) untd_hdr_1st + untd_hdr_size;
+			i1480u->rx_srcaddr = i1480u_hdr->srcaddr;
+			skb_put(i1480u->rx_skb, untd_hdr_size + untd_frg_size);
+			skb_pull(i1480u->rx_skb, untd_hdr_size + i1480u_hdr_size);
+			stats_add_sample(&i1480u->lqe_stats, (s8) i1480u_hdr->LQI - 7);
+			stats_add_sample(&i1480u->rssi_stats, i1480u_hdr->RSSI + 18);
+			rx_buf->data = NULL; /* need to create new buffer */
+			break;
+		}
+		case i1480u_PKT_FRAG_NXT: {
+			dev_dbg(dev, "nxt fragment\n");
+			untd_hdr_size = sizeof(struct untd_hdr_rst);
+			if (i1480u->rx_skb == NULL) {
+				i1480u_drop(i1480u, "RX: next fragment out of "
+					    "sequence! Dropping\n");
+				goto out;
+			}
+			if (size_left < untd_hdr_size) {
+				i1480u_drop(i1480u, "RX: short NXT fragment! "
+					    "Dropping\n");
+				goto out;
+			}
+			untd_frg_size = le16_to_cpu(untd_hdr->len);
+			if (size_left < untd_hdr_size + untd_frg_size) {
+				i1480u_drop(i1480u,
+					    "RX: short payload! Dropping\n");
+				goto out;
+			}
+			memmove(skb_put(i1480u->rx_skb, untd_frg_size),
+					ptr + untd_hdr_size, untd_frg_size);
+			break;
+		}
+		case i1480u_PKT_FRAG_LST: {
+			dev_dbg(dev, "Lst fragment\n");
+			untd_hdr_size = sizeof(struct untd_hdr_rst);
+			if (i1480u->rx_skb == NULL) {
+				i1480u_drop(i1480u, "RX: last fragment out of "
+					    "sequence! Dropping\n");
+				goto out;
+			}
+			if (size_left < untd_hdr_size) {
+				i1480u_drop(i1480u, "RX: short LST fragment! "
+					    "Dropping\n");
+				goto out;
+			}
+			untd_frg_size = le16_to_cpu(untd_hdr->len);
+			if (size_left < untd_frg_size + untd_hdr_size) {
+				i1480u_drop(i1480u,
+					    "RX: short payload! Dropping\n");
+				goto out;
+			}
+			memmove(skb_put(i1480u->rx_skb, untd_frg_size),
+					ptr + untd_hdr_size, untd_frg_size);
+			pkt_completed = 1;
+			break;
+		}
+		case i1480u_PKT_FRAG_CMP: {
+			dev_dbg(dev, "cmp fragment\n");
+			untd_hdr_size = sizeof(struct untd_hdr_cmp);
+			if (i1480u->rx_skb != NULL)
+				i1480u_fix(i1480u, "RX: fix out-of-sequence CMP"
+					   " fragment!\n");
+			if (size_left < untd_hdr_size + i1480u_hdr_size) {
+				i1480u_drop(i1480u, "RX: short CMP fragment! "
+					    "Dropping\n");
+				goto out;
+			}
+			i1480u->rx_untd_pkt_size = le16_to_cpu(untd_hdr->len);
+			untd_frg_size = i1480u->rx_untd_pkt_size;
+			if (size_left < i1480u->rx_untd_pkt_size + untd_hdr_size) {
+				i1480u_drop(i1480u,
+					    "RX: short payload! Dropping\n");
+				goto out;
+			}
+			i1480u->rx_skb = skb;
+			i1480u_hdr = (void *) untd_hdr + untd_hdr_size;
+			i1480u->rx_srcaddr = i1480u_hdr->srcaddr;
+			stats_add_sample(&i1480u->lqe_stats, (s8) i1480u_hdr->LQI - 7);
+			stats_add_sample(&i1480u->rssi_stats, i1480u_hdr->RSSI + 18);
+			skb_put(i1480u->rx_skb, untd_hdr_size + i1480u->rx_untd_pkt_size);
+			skb_pull(i1480u->rx_skb, untd_hdr_size + i1480u_hdr_size);
+			rx_buf->data = NULL;	/* for hand off skb to network stack */
+			pkt_completed = 1;
+			i1480u->rx_untd_pkt_size -= i1480u_hdr_size; /* accurate stat */
+			break;
+		}
+		default:
+			i1480u_drop(i1480u, "RX: unknown packet type %u! "
+				    "Dropping\n", untd_hdr_type(untd_hdr));
+			goto out;
+		}
+		size_left -= untd_hdr_size + untd_frg_size;
+		if (size_left > 0)
+			ptr += untd_hdr_size + untd_frg_size;
+	}
+	if (pkt_completed)
+		i1480u_skb_deliver(i1480u);
+out:
+	/* recreate needed RX buffers*/
+	if (rx_buf->data == NULL) {
+		/* buffer is being used to receive packet, create new */
+		new_skb = dev_alloc_skb(i1480u_MAX_RX_PKT_SIZE);
+		if (!new_skb) {
+			if (printk_ratelimit())
+				dev_err(dev,
+				"RX: cannot allocate RX buffer\n");
+		} else {
+			new_skb->dev = net_dev;
+			new_skb->ip_summed = CHECKSUM_NONE;
+			skb_reserve(new_skb, 2);
+			rx_buf->data = new_skb;
+		}
+	}
+	return;
+}
+
+
+/**
+ * Called when an RX URB has finished receiving or has found some kind
+ * of error condition.
+ *
+ * LIMITATIONS:
+ *
+ *  - We read USB-transfers, each transfer contains a SINGLE fragment
+ *    (can contain a complete packet, or a 1st, next, or last fragment
+ *    of a packet).
+ *    Looks like a transfer can contain more than one fragment (07/18/06)
+ *
+ *  - Each transfer buffer is the size of the maximum packet size (minus
+ *    headroom), i1480u_MAX_PKT_SIZE - 2
+ *
+ *  - We always read the full USB-transfer, no partials.
+ *
+ *  - Each transfer is read directly into a skb. This skb will be used to
+ *    send data to the upper layers if it is the first fragment or a complete
+ *    packet. In the other cases the data will be copied from the skb to
+ *    another skb that is being prepared for the upper layers from a prev
+ *    first fragment.
+ *
+ * It is simply too much of a pain. Gosh, there should be a unified
+ * SG infrastructure for *everything* [so that I could declare a SG
+ * buffer, pass it to USB for receiving, append some space to it if
+ * I wish, receive more until I have the whole chunk, adapt
+ * pointers on each fragment to remove hardware headers and then
+ * attach that to an skbuff and netif_rx()].
+ */
+void i1480u_rx_cb(struct urb *urb)
+{
+	int result;
+	int do_parse_buffer = 1;
+	struct i1480u_rx_buf *rx_buf = urb->context;
+	struct i1480u *i1480u = rx_buf->i1480u;
+	struct device *dev = &i1480u->usb_iface->dev;
+	unsigned long flags;
+	u8 rx_buf_idx = rx_buf - i1480u->rx_buf;
+
+	switch (urb->status) {
+	case 0:
+		break;
+	case -ECONNRESET:	/* Not an error, but a controlled situation; */
+	case -ENOENT:		/* (we killed the URB)...so, no broadcast */
+	case -ESHUTDOWN:	/* going away! */
+		dev_err(dev, "RX URB[%u]: goind down %d\n",
+			rx_buf_idx, urb->status);
+		goto error;
+	default:
+		dev_err(dev, "RX URB[%u]: unknown status %d\n",
+			rx_buf_idx, urb->status);
+		if (edc_inc(&i1480u->rx_errors, EDC_MAX_ERRORS,
+					EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "RX: max acceptable errors exceeded,"
+					" resetting device.\n");
+			i1480u_rx_unlink_urbs(i1480u);
+			wlp_reset_all(&i1480u->wlp);
+			goto error;
+		}
+		do_parse_buffer = 0;
+		break;
+	}
+	spin_lock_irqsave(&i1480u->lock, flags);
+	/* chew the data fragments, extract network packets */
+	if (do_parse_buffer) {
+		i1480u_rx_buffer(rx_buf);
+		if (rx_buf->data) {
+			rx_buf->urb->transfer_buffer = rx_buf->data->data;
+			result = usb_submit_urb(rx_buf->urb, GFP_ATOMIC);
+			if (result < 0) {
+				dev_err(dev, "RX URB[%u]: cannot submit %d\n",
+					rx_buf_idx, result);
+			}
+		}
+	}
+	spin_unlock_irqrestore(&i1480u->lock, flags);
+error:
+	return;
+}
+
diff --git a/drivers/uwb/i1480/i1480u-wlp/sysfs.c b/drivers/uwb/i1480/i1480u-wlp/sysfs.c
new file mode 100644
index 00000000000..a1d8ca6ac93
--- /dev/null
+++ b/drivers/uwb/i1480/i1480u-wlp/sysfs.c
@@ -0,0 +1,408 @@
+/*
+ * WUSB Wire Adapter: WLP interface
+ * Sysfs interfaces
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/uwb/debug.h>
+#include <linux/device.h>
+#include "i1480u-wlp.h"
+
+
+/**
+ *
+ * @dev: Class device from the net_device; assumed refcnted.
+ *
+ * Yes, I don't lock--we assume it is refcounted and I am getting a
+ * single byte value that is kind of atomic to read.
+ */
+ssize_t uwb_phy_rate_show(const struct wlp_options *options, char *buf)
+{
+	return sprintf(buf, "%u\n",
+		       wlp_tx_hdr_phy_rate(&options->def_tx_hdr));
+}
+EXPORT_SYMBOL_GPL(uwb_phy_rate_show);
+
+
+ssize_t uwb_phy_rate_store(struct wlp_options *options,
+			   const char *buf, size_t size)
+{
+	ssize_t result;
+	unsigned rate;
+
+	result = sscanf(buf, "%u\n", &rate);
+	if (result != 1) {
+		result = -EINVAL;
+		goto out;
+	}
+	result = -EINVAL;
+	if (rate >= UWB_PHY_RATE_INVALID)
+		goto out;
+	wlp_tx_hdr_set_phy_rate(&options->def_tx_hdr, rate);
+	result = 0;
+out:
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(uwb_phy_rate_store);
+
+
+ssize_t uwb_rts_cts_show(const struct wlp_options *options, char *buf)
+{
+	return sprintf(buf, "%u\n",
+		       wlp_tx_hdr_rts_cts(&options->def_tx_hdr));
+}
+EXPORT_SYMBOL_GPL(uwb_rts_cts_show);
+
+
+ssize_t uwb_rts_cts_store(struct wlp_options *options,
+			  const char *buf, size_t size)
+{
+	ssize_t result;
+	unsigned value;
+
+	result = sscanf(buf, "%u\n", &value);
+	if (result != 1) {
+		result = -EINVAL;
+		goto out;
+	}
+	result = -EINVAL;
+	wlp_tx_hdr_set_rts_cts(&options->def_tx_hdr, !!value);
+	result = 0;
+out:
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(uwb_rts_cts_store);
+
+
+ssize_t uwb_ack_policy_show(const struct wlp_options *options, char *buf)
+{
+	return sprintf(buf, "%u\n",
+		       wlp_tx_hdr_ack_policy(&options->def_tx_hdr));
+}
+EXPORT_SYMBOL_GPL(uwb_ack_policy_show);
+
+
+ssize_t uwb_ack_policy_store(struct wlp_options *options,
+			     const char *buf, size_t size)
+{
+	ssize_t result;
+	unsigned value;
+
+	result = sscanf(buf, "%u\n", &value);
+	if (result != 1 || value > UWB_ACK_B_REQ) {
+		result = -EINVAL;
+		goto out;
+	}
+	wlp_tx_hdr_set_ack_policy(&options->def_tx_hdr, value);
+	result = 0;
+out:
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(uwb_ack_policy_store);
+
+
+/**
+ * Show the PCA base priority.
+ *
+ * We can access without locking, as the value is (for now) orthogonal
+ * to other values.
+ */
+ssize_t uwb_pca_base_priority_show(const struct wlp_options *options,
+				   char *buf)
+{
+	return sprintf(buf, "%u\n",
+		       options->pca_base_priority);
+}
+EXPORT_SYMBOL_GPL(uwb_pca_base_priority_show);
+
+
+/**
+ * Set the PCA base priority.
+ *
+ * We can access without locking, as the value is (for now) orthogonal
+ * to other values.
+ */
+ssize_t uwb_pca_base_priority_store(struct wlp_options *options,
+				    const char *buf, size_t size)
+{
+	ssize_t result = -EINVAL;
+	u8 pca_base_priority;
+
+	result = sscanf(buf, "%hhu\n", &pca_base_priority);
+	if (result != 1) {
+		result = -EINVAL;
+		goto out;
+	}
+	result = -EINVAL;
+	if (pca_base_priority >= 8)
+		goto out;
+	options->pca_base_priority = pca_base_priority;
+	/* Update TX header if we are currently using PCA. */
+	if (result >= 0 && (wlp_tx_hdr_delivery_id_type(&options->def_tx_hdr) & WLP_DRP) == 0)
+		wlp_tx_hdr_set_delivery_id_type(&options->def_tx_hdr, options->pca_base_priority);
+	result = 0;
+out:
+	return result < 0 ? result : size;
+}
+EXPORT_SYMBOL_GPL(uwb_pca_base_priority_store);
+
+/**
+ * Show current inflight values
+ *
+ * Will print the current MAX and THRESHOLD values for the basic flow
+ * control. In addition it will report how many times the TX queue needed
+ * to be restarted since the last time this query was made.
+ */
+static ssize_t wlp_tx_inflight_show(struct i1480u_tx_inflight *inflight,
+				    char *buf)
+{
+	ssize_t result;
+	unsigned long sec_elapsed = (jiffies - inflight->restart_ts)/HZ;
+	unsigned long restart_count = atomic_read(&inflight->restart_count);
+
+	result = scnprintf(buf, PAGE_SIZE, "%lu %lu %d %lu %lu %lu\n"
+			   "#read: threshold max inflight_count restarts "
+			   "seconds restarts/sec\n"
+			   "#write: threshold max\n",
+			   inflight->threshold, inflight->max,
+			   atomic_read(&inflight->count),
+			   restart_count, sec_elapsed,
+			   sec_elapsed == 0 ? 0 : restart_count/sec_elapsed);
+	inflight->restart_ts = jiffies;
+	atomic_set(&inflight->restart_count, 0);
+	return result;
+}
+
+static
+ssize_t wlp_tx_inflight_store(struct i1480u_tx_inflight *inflight,
+				const char *buf, size_t size)
+{
+	unsigned long in_threshold, in_max;
+	ssize_t result;
+	result = sscanf(buf, "%lu %lu", &in_threshold, &in_max);
+	if (result != 2)
+		return -EINVAL;
+	if (in_max <= in_threshold)
+		return -EINVAL;
+	inflight->max = in_max;
+	inflight->threshold = in_threshold;
+	return size;
+}
+/*
+ * Glue (or function adaptors) for accesing info on sysfs
+ *
+ * [we need this indirection because the PCI driver does almost the
+ * same]
+ *
+ * Linux 2.6.21 changed how 'struct netdevice' does attributes (from
+ * having a 'struct class_dev' to having a 'struct device'). That is
+ * quite of a pain.
+ *
+ * So we try to abstract that here. i1480u_SHOW() and i1480u_STORE()
+ * create adaptors for extracting the 'struct i1480u' from a 'struct
+ * dev' and calling a function for doing a sysfs operation (as we have
+ * them factorized already). i1480u_ATTR creates the attribute file
+ * (CLASS_DEVICE_ATTR or DEVICE_ATTR) and i1480u_ATTR_NAME produces a
+ * class_device_attr_NAME or device_attr_NAME (for group registration).
+ */
+#include <linux/version.h>
+
+#define i1480u_SHOW(name, fn, param)				\
+static ssize_t i1480u_show_##name(struct device *dev,		\
+				  struct device_attribute *attr,\
+				  char *buf)			\
+{								\
+	struct i1480u *i1480u = netdev_priv(to_net_dev(dev));	\
+	return fn(&i1480u->param, buf);				\
+}
+
+#define i1480u_STORE(name, fn, param)				\
+static ssize_t i1480u_store_##name(struct device *dev,		\
+				   struct device_attribute *attr,\
+				   const char *buf, size_t size)\
+{								\
+	struct i1480u *i1480u = netdev_priv(to_net_dev(dev));	\
+	return fn(&i1480u->param, buf, size);			\
+}
+
+#define i1480u_ATTR(name, perm) static DEVICE_ATTR(name, perm,  \
+					     i1480u_show_##name,\
+					     i1480u_store_##name)
+
+#define i1480u_ATTR_SHOW(name) static DEVICE_ATTR(name,		\
+					S_IRUGO,		\
+					i1480u_show_##name, NULL)
+
+#define i1480u_ATTR_NAME(a) (dev_attr_##a)
+
+
+/*
+ * Sysfs adaptors
+ */
+i1480u_SHOW(uwb_phy_rate, uwb_phy_rate_show, options);
+i1480u_STORE(uwb_phy_rate, uwb_phy_rate_store, options);
+i1480u_ATTR(uwb_phy_rate, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(uwb_rts_cts, uwb_rts_cts_show, options);
+i1480u_STORE(uwb_rts_cts, uwb_rts_cts_store, options);
+i1480u_ATTR(uwb_rts_cts, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(uwb_ack_policy, uwb_ack_policy_show, options);
+i1480u_STORE(uwb_ack_policy, uwb_ack_policy_store, options);
+i1480u_ATTR(uwb_ack_policy, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(uwb_pca_base_priority, uwb_pca_base_priority_show, options);
+i1480u_STORE(uwb_pca_base_priority, uwb_pca_base_priority_store, options);
+i1480u_ATTR(uwb_pca_base_priority, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_eda, wlp_eda_show, wlp);
+i1480u_STORE(wlp_eda, wlp_eda_store, wlp);
+i1480u_ATTR(wlp_eda, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_uuid, wlp_uuid_show, wlp);
+i1480u_STORE(wlp_uuid, wlp_uuid_store, wlp);
+i1480u_ATTR(wlp_uuid, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_name, wlp_dev_name_show, wlp);
+i1480u_STORE(wlp_dev_name, wlp_dev_name_store, wlp);
+i1480u_ATTR(wlp_dev_name, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_manufacturer, wlp_dev_manufacturer_show, wlp);
+i1480u_STORE(wlp_dev_manufacturer, wlp_dev_manufacturer_store, wlp);
+i1480u_ATTR(wlp_dev_manufacturer, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_model_name, wlp_dev_model_name_show, wlp);
+i1480u_STORE(wlp_dev_model_name, wlp_dev_model_name_store, wlp);
+i1480u_ATTR(wlp_dev_model_name, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_model_nr, wlp_dev_model_nr_show, wlp);
+i1480u_STORE(wlp_dev_model_nr, wlp_dev_model_nr_store, wlp);
+i1480u_ATTR(wlp_dev_model_nr, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_serial, wlp_dev_serial_show, wlp);
+i1480u_STORE(wlp_dev_serial, wlp_dev_serial_store, wlp);
+i1480u_ATTR(wlp_dev_serial, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_prim_category, wlp_dev_prim_category_show, wlp);
+i1480u_STORE(wlp_dev_prim_category, wlp_dev_prim_category_store, wlp);
+i1480u_ATTR(wlp_dev_prim_category, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_prim_OUI, wlp_dev_prim_OUI_show, wlp);
+i1480u_STORE(wlp_dev_prim_OUI, wlp_dev_prim_OUI_store, wlp);
+i1480u_ATTR(wlp_dev_prim_OUI, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_prim_OUI_sub, wlp_dev_prim_OUI_sub_show, wlp);
+i1480u_STORE(wlp_dev_prim_OUI_sub, wlp_dev_prim_OUI_sub_store, wlp);
+i1480u_ATTR(wlp_dev_prim_OUI_sub, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_dev_prim_subcat, wlp_dev_prim_subcat_show, wlp);
+i1480u_STORE(wlp_dev_prim_subcat, wlp_dev_prim_subcat_store, wlp);
+i1480u_ATTR(wlp_dev_prim_subcat, S_IRUGO | S_IWUSR);
+
+i1480u_SHOW(wlp_neighborhood, wlp_neighborhood_show, wlp);
+i1480u_ATTR_SHOW(wlp_neighborhood);
+
+i1480u_SHOW(wss_activate, wlp_wss_activate_show, wlp.wss);
+i1480u_STORE(wss_activate, wlp_wss_activate_store, wlp.wss);
+i1480u_ATTR(wss_activate, S_IRUGO | S_IWUSR);
+
+/*
+ * Show the (min, max, avg) Line Quality Estimate (LQE, in dB) as over
+ * the last 256 received WLP frames (ECMA-368 13.3).
+ *
+ * [the -7dB that have to be substracted from the LQI to make the LQE
+ * are already taken into account].
+ */
+i1480u_SHOW(wlp_lqe, stats_show, lqe_stats);
+i1480u_STORE(wlp_lqe, stats_store, lqe_stats);
+i1480u_ATTR(wlp_lqe, S_IRUGO | S_IWUSR);
+
+/*
+ * Show the Receive Signal Strength Indicator averaged over all the
+ * received WLP frames (ECMA-368 13.3). Still is not clear what
+ * this value is, but is kind of a percentage of the signal strength
+ * at the antenna.
+ */
+i1480u_SHOW(wlp_rssi, stats_show, rssi_stats);
+i1480u_STORE(wlp_rssi, stats_store, rssi_stats);
+i1480u_ATTR(wlp_rssi, S_IRUGO | S_IWUSR);
+
+/**
+ * We maintain a basic flow control counter. "count" how many TX URBs are
+ * outstanding. Only allow "max"
+ * TX URBs to be outstanding. If this value is reached the queue will be
+ * stopped. The queue will be restarted when there are
+ * "threshold" URBs outstanding.
+ */
+i1480u_SHOW(wlp_tx_inflight, wlp_tx_inflight_show, tx_inflight);
+i1480u_STORE(wlp_tx_inflight, wlp_tx_inflight_store, tx_inflight);
+i1480u_ATTR(wlp_tx_inflight, S_IRUGO | S_IWUSR);
+
+static struct attribute *i1480u_attrs[] = {
+	&i1480u_ATTR_NAME(uwb_phy_rate).attr,
+	&i1480u_ATTR_NAME(uwb_rts_cts).attr,
+	&i1480u_ATTR_NAME(uwb_ack_policy).attr,
+	&i1480u_ATTR_NAME(uwb_pca_base_priority).attr,
+	&i1480u_ATTR_NAME(wlp_lqe).attr,
+	&i1480u_ATTR_NAME(wlp_rssi).attr,
+	&i1480u_ATTR_NAME(wlp_eda).attr,
+	&i1480u_ATTR_NAME(wlp_uuid).attr,
+	&i1480u_ATTR_NAME(wlp_dev_name).attr,
+	&i1480u_ATTR_NAME(wlp_dev_manufacturer).attr,
+	&i1480u_ATTR_NAME(wlp_dev_model_name).attr,
+	&i1480u_ATTR_NAME(wlp_dev_model_nr).attr,
+	&i1480u_ATTR_NAME(wlp_dev_serial).attr,
+	&i1480u_ATTR_NAME(wlp_dev_prim_category).attr,
+	&i1480u_ATTR_NAME(wlp_dev_prim_OUI).attr,
+	&i1480u_ATTR_NAME(wlp_dev_prim_OUI_sub).attr,
+	&i1480u_ATTR_NAME(wlp_dev_prim_subcat).attr,
+	&i1480u_ATTR_NAME(wlp_neighborhood).attr,
+	&i1480u_ATTR_NAME(wss_activate).attr,
+	&i1480u_ATTR_NAME(wlp_tx_inflight).attr,
+	NULL,
+};
+
+static struct attribute_group i1480u_attr_group = {
+	.name = NULL,	/* we want them in the same directory */
+	.attrs = i1480u_attrs,
+};
+
+int i1480u_sysfs_setup(struct i1480u *i1480u)
+{
+	int result;
+	struct device *dev = &i1480u->usb_iface->dev;
+	result = sysfs_create_group(&i1480u->net_dev->dev.kobj,
+				    &i1480u_attr_group);
+	if (result < 0)
+		dev_err(dev, "cannot initialize sysfs attributes: %d\n",
+			result);
+	return result;
+}
+
+
+void i1480u_sysfs_release(struct i1480u *i1480u)
+{
+	sysfs_remove_group(&i1480u->net_dev->dev.kobj,
+			   &i1480u_attr_group);
+}
diff --git a/drivers/uwb/i1480/i1480u-wlp/tx.c b/drivers/uwb/i1480/i1480u-wlp/tx.c
new file mode 100644
index 00000000000..3426bfb6824
--- /dev/null
+++ b/drivers/uwb/i1480/i1480u-wlp/tx.c
@@ -0,0 +1,632 @@
+/*
+ * WUSB Wire Adapter: WLP interface
+ * Deal with TX (massaging data to transmit, handling it)
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Transmission engine. Get an skb, create from that a WLP transmit
+ * context, add a WLP TX header (which we keep prefilled in the
+ * device's instance), fill out the target-specific fields and
+ * fire it.
+ *
+ * ROADMAP:
+ *
+ *   Entry points:
+ *
+ *     i1480u_tx_release(): called by i1480u_disconnect() to release
+ *                          pending tx contexts.
+ *
+ *     i1480u_tx_cb(): callback for TX contexts (USB URBs)
+ *       i1480u_tx_destroy():
+ *
+ *     i1480u_tx_timeout(): called for timeout handling from the
+ *                          network stack.
+ *
+ *     i1480u_hard_start_xmit(): called for transmitting an skb from
+ *                               the network stack. Will interact with WLP
+ *                               substack to verify and prepare frame.
+ *       i1480u_xmit_frame(): actual transmission on hardware
+ *
+ *         i1480u_tx_create()	    Creates TX context
+ *            i1480u_tx_create_1()    For packets in 1 fragment
+ *            i1480u_tx_create_n()    For packets in >1 fragments
+ *
+ * TODO:
+ *
+ * - FIXME: rewrite using usb_sg_*(), add asynch support to
+ *          usb_sg_*(). It might not make too much sense as most of
+ *          the times the MTU will be smaller than one page...
+ */
+
+#include "i1480u-wlp.h"
+#define D_LOCAL 5
+#include <linux/uwb/debug.h>
+
+enum {
+	/* This is only for Next and Last TX packets */
+	i1480u_MAX_PL_SIZE = i1480u_MAX_FRG_SIZE
+		- sizeof(struct untd_hdr_rst),
+};
+
+/** Free resources allocated to a i1480u tx context. */
+static
+void i1480u_tx_free(struct i1480u_tx *wtx)
+{
+	kfree(wtx->buf);
+	if (wtx->skb)
+		dev_kfree_skb_irq(wtx->skb);
+	usb_free_urb(wtx->urb);
+	kfree(wtx);
+}
+
+static
+void i1480u_tx_destroy(struct i1480u *i1480u, struct i1480u_tx *wtx)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&i1480u->tx_list_lock, flags);	/* not active any more */
+	list_del(&wtx->list_node);
+	i1480u_tx_free(wtx);
+	spin_unlock_irqrestore(&i1480u->tx_list_lock, flags);
+}
+
+static
+void i1480u_tx_unlink_urbs(struct i1480u *i1480u)
+{
+	unsigned long flags;
+	struct i1480u_tx *wtx, *next;
+
+	spin_lock_irqsave(&i1480u->tx_list_lock, flags);
+	list_for_each_entry_safe(wtx, next, &i1480u->tx_list, list_node) {
+		usb_unlink_urb(wtx->urb);
+	}
+	spin_unlock_irqrestore(&i1480u->tx_list_lock, flags);
+}
+
+
+/**
+ * Callback for a completed tx USB URB.
+ *
+ * TODO:
+ *
+ * - FIXME: recover errors more gracefully
+ * - FIXME: handle NAKs (I dont think they come here) for flow ctl
+ */
+static
+void i1480u_tx_cb(struct urb *urb)
+{
+	struct i1480u_tx *wtx = urb->context;
+	struct i1480u *i1480u = wtx->i1480u;
+	struct net_device *net_dev = i1480u->net_dev;
+	struct device *dev = &i1480u->usb_iface->dev;
+	unsigned long flags;
+
+	switch (urb->status) {
+	case 0:
+		spin_lock_irqsave(&i1480u->lock, flags);
+		i1480u->stats.tx_packets++;
+		i1480u->stats.tx_bytes += urb->actual_length;
+		spin_unlock_irqrestore(&i1480u->lock, flags);
+		break;
+	case -ECONNRESET:	/* Not an error, but a controlled situation; */
+	case -ENOENT:		/* (we killed the URB)...so, no broadcast */
+		dev_dbg(dev, "notif endp: reset/noent %d\n", urb->status);
+		netif_stop_queue(net_dev);
+		break;
+	case -ESHUTDOWN:	/* going away! */
+		dev_dbg(dev, "notif endp: down %d\n", urb->status);
+		netif_stop_queue(net_dev);
+		break;
+	default:
+		dev_err(dev, "TX: unknown URB status %d\n", urb->status);
+		if (edc_inc(&i1480u->tx_errors, EDC_MAX_ERRORS,
+					EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "TX: max acceptable errors exceeded."
+					"Reset device.\n");
+			netif_stop_queue(net_dev);
+			i1480u_tx_unlink_urbs(i1480u);
+			wlp_reset_all(&i1480u->wlp);
+		}
+		break;
+	}
+	i1480u_tx_destroy(i1480u, wtx);
+	if (atomic_dec_return(&i1480u->tx_inflight.count)
+	    <= i1480u->tx_inflight.threshold
+	    && netif_queue_stopped(net_dev)
+	    && i1480u->tx_inflight.threshold != 0) {
+		if (d_test(2) && printk_ratelimit())
+			d_printf(2, dev, "Restart queue. \n");
+		netif_start_queue(net_dev);
+		atomic_inc(&i1480u->tx_inflight.restart_count);
+	}
+	return;
+}
+
+
+/**
+ * Given a buffer that doesn't fit in a single fragment, create an
+ * scatter/gather structure for delivery to the USB pipe.
+ *
+ * Implements functionality of i1480u_tx_create().
+ *
+ * @wtx:	tx descriptor
+ * @skb:	skb to send
+ * @gfp_mask:	gfp allocation mask
+ * @returns:    Pointer to @wtx if ok, NULL on error.
+ *
+ * Sorry, TOO LONG a function, but breaking it up is kind of hard
+ *
+ * This will break the buffer in chunks smaller than
+ * i1480u_MAX_FRG_SIZE (including the header) and add proper headers
+ * to each:
+ *
+ *   1st header           \
+ *   i1480 tx header      |  fragment 1
+ *   fragment data        /
+ *   nxt header           \  fragment 2
+ *   fragment data        /
+ *   ..
+ *   ..
+ *   last header          \  fragment 3
+ *   last fragment data   /
+ *
+ * This does not fill the i1480 TX header, it is left up to the
+ * caller to do that; you can get it from @wtx->wlp_tx_hdr.
+ *
+ * This function consumes the skb unless there is an error.
+ */
+static
+int i1480u_tx_create_n(struct i1480u_tx *wtx, struct sk_buff *skb,
+		       gfp_t gfp_mask)
+{
+	int result;
+	void *pl;
+	size_t pl_size;
+
+	void *pl_itr, *buf_itr;
+	size_t pl_size_left, frgs, pl_size_1st, frg_pl_size = 0;
+	struct untd_hdr_1st *untd_hdr_1st;
+	struct wlp_tx_hdr *wlp_tx_hdr;
+	struct untd_hdr_rst *untd_hdr_rst;
+
+	wtx->skb = NULL;
+	pl = skb->data;
+	pl_itr = pl;
+	pl_size = skb->len;
+	pl_size_left = pl_size;	/* payload size */
+	/* First fragment; fits as much as i1480u_MAX_FRG_SIZE minus
+	 * the headers */
+	pl_size_1st = i1480u_MAX_FRG_SIZE
+		- sizeof(struct untd_hdr_1st) - sizeof(struct wlp_tx_hdr);
+	BUG_ON(pl_size_1st > pl_size);
+	pl_size_left -= pl_size_1st;
+	/* The rest have an smaller header (no i1480 TX header). We
+	 * need to break up the payload in blocks smaller than
+	 * i1480u_MAX_PL_SIZE (payload excluding header). */
+	frgs = (pl_size_left + i1480u_MAX_PL_SIZE - 1) / i1480u_MAX_PL_SIZE;
+	/* Allocate space for the new buffer. In this new buffer we'll
+	 * place the headers followed by the data fragment, headers,
+	 * data fragments, etc..
+	 */
+	result = -ENOMEM;
+	wtx->buf_size = sizeof(*untd_hdr_1st)
+		+ sizeof(*wlp_tx_hdr)
+		+ frgs * sizeof(*untd_hdr_rst)
+		+ pl_size;
+	wtx->buf = kmalloc(wtx->buf_size, gfp_mask);
+	if (wtx->buf == NULL)
+		goto error_buf_alloc;
+
+	buf_itr = wtx->buf;		/* We got the space, let's fill it up */
+	/* Fill 1st fragment */
+	untd_hdr_1st = buf_itr;
+	buf_itr += sizeof(*untd_hdr_1st);
+	untd_hdr_set_type(&untd_hdr_1st->hdr, i1480u_PKT_FRAG_1ST);
+	untd_hdr_set_rx_tx(&untd_hdr_1st->hdr, 0);
+	untd_hdr_1st->hdr.len = cpu_to_le16(pl_size + sizeof(*wlp_tx_hdr));
+	untd_hdr_1st->fragment_len =
+		cpu_to_le16(pl_size_1st + sizeof(*wlp_tx_hdr));
+	memset(untd_hdr_1st->padding, 0, sizeof(untd_hdr_1st->padding));
+	/* Set up i1480 header info */
+	wlp_tx_hdr = wtx->wlp_tx_hdr = buf_itr;
+	buf_itr += sizeof(*wlp_tx_hdr);
+	/* Copy the first fragment */
+	memcpy(buf_itr, pl_itr, pl_size_1st);
+	pl_itr += pl_size_1st;
+	buf_itr += pl_size_1st;
+
+	/* Now do each remaining fragment */
+	result = -EINVAL;
+	while (pl_size_left > 0) {
+		d_printf(5, NULL, "ITR HDR: pl_size_left %zu buf_itr %zu\n",
+			 pl_size_left, buf_itr - wtx->buf);
+		if (buf_itr + sizeof(*untd_hdr_rst) - wtx->buf
+		    > wtx->buf_size) {
+			printk(KERN_ERR "BUG: no space for header\n");
+			goto error_bug;
+		}
+		d_printf(5, NULL, "ITR HDR 2: pl_size_left %zu buf_itr %zu\n",
+			 pl_size_left, buf_itr - wtx->buf);
+		untd_hdr_rst = buf_itr;
+		buf_itr += sizeof(*untd_hdr_rst);
+		if (pl_size_left > i1480u_MAX_PL_SIZE) {
+			frg_pl_size = i1480u_MAX_PL_SIZE;
+			untd_hdr_set_type(&untd_hdr_rst->hdr, i1480u_PKT_FRAG_NXT);
+		} else {
+			frg_pl_size = pl_size_left;
+			untd_hdr_set_type(&untd_hdr_rst->hdr, i1480u_PKT_FRAG_LST);
+		}
+		d_printf(5, NULL,
+			 "ITR PL: pl_size_left %zu buf_itr %zu frg_pl_size %zu\n",
+			 pl_size_left, buf_itr - wtx->buf, frg_pl_size);
+		untd_hdr_set_rx_tx(&untd_hdr_rst->hdr, 0);
+		untd_hdr_rst->hdr.len = cpu_to_le16(frg_pl_size);
+		untd_hdr_rst->padding = 0;
+		if (buf_itr + frg_pl_size - wtx->buf
+		    > wtx->buf_size) {
+			printk(KERN_ERR "BUG: no space for payload\n");
+			goto error_bug;
+		}
+		memcpy(buf_itr, pl_itr, frg_pl_size);
+		buf_itr += frg_pl_size;
+		pl_itr += frg_pl_size;
+		pl_size_left -= frg_pl_size;
+		d_printf(5, NULL,
+			 "ITR PL 2: pl_size_left %zu buf_itr %zu frg_pl_size %zu\n",
+			 pl_size_left, buf_itr - wtx->buf, frg_pl_size);
+	}
+	dev_kfree_skb_irq(skb);
+	return 0;
+
+error_bug:
+	printk(KERN_ERR
+	       "BUG: skb %u bytes\n"
+	       "BUG: frg_pl_size %zd i1480u_MAX_FRG_SIZE %u\n"
+	       "BUG: buf_itr %zu buf_size %zu pl_size_left %zu\n",
+	       skb->len,
+	       frg_pl_size, i1480u_MAX_FRG_SIZE,
+	       buf_itr - wtx->buf, wtx->buf_size, pl_size_left);
+
+	kfree(wtx->buf);
+error_buf_alloc:
+	return result;
+}
+
+
+/**
+ * Given a buffer that fits in a single fragment, fill out a @wtx
+ * struct for transmitting it down the USB pipe.
+ *
+ * Uses the fact that we have space reserved in front of the skbuff
+ * for hardware headers :]
+ *
+ * This does not fill the i1480 TX header, it is left up to the
+ * caller to do that; you can get it from @wtx->wlp_tx_hdr.
+ *
+ * @pl:		pointer to payload data
+ * @pl_size:    size of the payuload
+ *
+ * This function does not consume the @skb.
+ */
+static
+int i1480u_tx_create_1(struct i1480u_tx *wtx, struct sk_buff *skb,
+		       gfp_t gfp_mask)
+{
+	struct untd_hdr_cmp *untd_hdr_cmp;
+	struct wlp_tx_hdr *wlp_tx_hdr;
+
+	wtx->buf = NULL;
+	wtx->skb = skb;
+	BUG_ON(skb_headroom(skb) < sizeof(*wlp_tx_hdr));
+	wlp_tx_hdr = (void *) __skb_push(skb, sizeof(*wlp_tx_hdr));
+	wtx->wlp_tx_hdr = wlp_tx_hdr;
+	BUG_ON(skb_headroom(skb) < sizeof(*untd_hdr_cmp));
+	untd_hdr_cmp = (void *) __skb_push(skb, sizeof(*untd_hdr_cmp));
+
+	untd_hdr_set_type(&untd_hdr_cmp->hdr, i1480u_PKT_FRAG_CMP);
+	untd_hdr_set_rx_tx(&untd_hdr_cmp->hdr, 0);
+	untd_hdr_cmp->hdr.len = cpu_to_le16(skb->len - sizeof(*untd_hdr_cmp));
+	untd_hdr_cmp->padding = 0;
+	return 0;
+}
+
+
+/**
+ * Given a skb to transmit, massage it to become palatable for the TX pipe
+ *
+ * This will break the buffer in chunks smaller than
+ * i1480u_MAX_FRG_SIZE and add proper headers to each.
+ *
+ *   1st header           \
+ *   i1480 tx header      |  fragment 1
+ *   fragment data        /
+ *   nxt header           \  fragment 2
+ *   fragment data        /
+ *   ..
+ *   ..
+ *   last header          \  fragment 3
+ *   last fragment data   /
+ *
+ * Each fragment will be always smaller or equal to i1480u_MAX_FRG_SIZE.
+ *
+ * If the first fragment is smaller than i1480u_MAX_FRG_SIZE, then the
+ * following is composed:
+ *
+ *   complete header      \
+ *   i1480 tx header      | single fragment
+ *   packet data          /
+ *
+ * We were going to use s/g support, but because the interface is
+ * synch and at the end there is plenty of overhead to do it, it
+ * didn't seem that worth for data that is going to be smaller than
+ * one page.
+ */
+static
+struct i1480u_tx *i1480u_tx_create(struct i1480u *i1480u,
+				   struct sk_buff *skb, gfp_t gfp_mask)
+{
+	int result;
+	struct usb_endpoint_descriptor *epd;
+	int usb_pipe;
+	unsigned long flags;
+
+	struct i1480u_tx *wtx;
+	const size_t pl_max_size =
+		i1480u_MAX_FRG_SIZE - sizeof(struct untd_hdr_cmp)
+		- sizeof(struct wlp_tx_hdr);
+
+	wtx = kmalloc(sizeof(*wtx), gfp_mask);
+	if (wtx == NULL)
+		goto error_wtx_alloc;
+	wtx->urb = usb_alloc_urb(0, gfp_mask);
+	if (wtx->urb == NULL)
+		goto error_urb_alloc;
+	epd = &i1480u->usb_iface->cur_altsetting->endpoint[2].desc;
+	usb_pipe = usb_sndbulkpipe(i1480u->usb_dev, epd->bEndpointAddress);
+	/* Fits in a single complete packet or need to split? */
+	if (skb->len > pl_max_size) {
+		result = i1480u_tx_create_n(wtx, skb, gfp_mask);
+		if (result < 0)
+			goto error_create;
+		usb_fill_bulk_urb(wtx->urb, i1480u->usb_dev, usb_pipe,
+				  wtx->buf, wtx->buf_size, i1480u_tx_cb, wtx);
+	} else {
+		result = i1480u_tx_create_1(wtx, skb, gfp_mask);
+		if (result < 0)
+			goto error_create;
+		usb_fill_bulk_urb(wtx->urb, i1480u->usb_dev, usb_pipe,
+				  skb->data, skb->len, i1480u_tx_cb, wtx);
+	}
+	spin_lock_irqsave(&i1480u->tx_list_lock, flags);
+	list_add(&wtx->list_node, &i1480u->tx_list);
+	spin_unlock_irqrestore(&i1480u->tx_list_lock, flags);
+	return wtx;
+
+error_create:
+	kfree(wtx->urb);
+error_urb_alloc:
+	kfree(wtx);
+error_wtx_alloc:
+	return NULL;
+}
+
+/**
+ * Actual fragmentation and transmission of frame
+ *
+ * @wlp:  WLP substack data structure
+ * @skb:  To be transmitted
+ * @dst:  Device address of destination
+ * @returns: 0 on success, <0 on failure
+ *
+ * This function can also be called directly (not just from
+ * hard_start_xmit), so we also check here if the interface is up before
+ * taking sending anything.
+ */
+int i1480u_xmit_frame(struct wlp *wlp, struct sk_buff *skb,
+		      struct uwb_dev_addr *dst)
+{
+	int result = -ENXIO;
+	struct i1480u *i1480u = container_of(wlp, struct i1480u, wlp);
+	struct device *dev = &i1480u->usb_iface->dev;
+	struct net_device *net_dev = i1480u->net_dev;
+	struct i1480u_tx *wtx;
+	struct wlp_tx_hdr *wlp_tx_hdr;
+	static unsigned char dev_bcast[2] = { 0xff, 0xff };
+#if 0
+	int lockup = 50;
+#endif
+
+	d_fnstart(6, dev, "(skb %p (%u), net_dev %p)\n", skb, skb->len,
+		  net_dev);
+	BUG_ON(i1480u->wlp.rc == NULL);
+	if ((net_dev->flags & IFF_UP) == 0)
+		goto out;
+	result = -EBUSY;
+	if (atomic_read(&i1480u->tx_inflight.count) >= i1480u->tx_inflight.max) {
+		if (d_test(2) && printk_ratelimit())
+			d_printf(2, dev, "Max frames in flight "
+				 "stopping queue.\n");
+		netif_stop_queue(net_dev);
+		goto error_max_inflight;
+	}
+	result = -ENOMEM;
+	wtx = i1480u_tx_create(i1480u, skb, GFP_ATOMIC);
+	if (unlikely(wtx == NULL)) {
+		if (printk_ratelimit())
+			dev_err(dev, "TX: no memory for WLP TX URB,"
+				"dropping packet (in flight %d)\n",
+				atomic_read(&i1480u->tx_inflight.count));
+		netif_stop_queue(net_dev);
+		goto error_wtx_alloc;
+	}
+	wtx->i1480u = i1480u;
+	/* Fill out the i1480 header; @i1480u->def_tx_hdr read without
+	 * locking. We do so because they are kind of orthogonal to
+	 * each other (and thus not changed in an atomic batch).
+	 * The ETH header is right after the WLP TX header. */
+	wlp_tx_hdr = wtx->wlp_tx_hdr;
+	*wlp_tx_hdr = i1480u->options.def_tx_hdr;
+	wlp_tx_hdr->dstaddr = *dst;
+	if (!memcmp(&wlp_tx_hdr->dstaddr, dev_bcast, sizeof(dev_bcast))
+	    && (wlp_tx_hdr_delivery_id_type(wlp_tx_hdr) & WLP_DRP)) {
+		/*Broadcast message directed to DRP host. Send as best effort
+		 * on PCA. */
+		wlp_tx_hdr_set_delivery_id_type(wlp_tx_hdr, i1480u->options.pca_base_priority);
+	}
+
+#if 0
+	dev_info(dev, "TX delivering skb -> USB, %zu bytes\n", skb->len);
+	dump_bytes(dev, skb->data, skb->len > 72 ? 72 : skb->len);
+#endif
+#if 0
+	/* simulates a device lockup after every lockup# packets */
+	if (lockup && ((i1480u->stats.tx_packets + 1) % lockup) == 0) {
+		/* Simulate a dropped transmit interrupt */
+		net_dev->trans_start = jiffies;
+		netif_stop_queue(net_dev);
+		dev_err(dev, "Simulate lockup at %ld\n", jiffies);
+		return result;
+	}
+#endif
+
+	result = usb_submit_urb(wtx->urb, GFP_ATOMIC);		/* Go baby */
+	if (result < 0) {
+		dev_err(dev, "TX: cannot submit URB: %d\n", result);
+		/* We leave the freeing of skb to calling function */
+		wtx->skb = NULL;
+		goto error_tx_urb_submit;
+	}
+	atomic_inc(&i1480u->tx_inflight.count);
+	net_dev->trans_start = jiffies;
+	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
+		net_dev, result);
+	return result;
+
+error_tx_urb_submit:
+	i1480u_tx_destroy(i1480u, wtx);
+error_wtx_alloc:
+error_max_inflight:
+out:
+	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
+		net_dev, result);
+	return result;
+}
+
+
+/**
+ * Transmit an skb  Called when an skbuf has to be transmitted
+ *
+ * The skb is first passed to WLP substack to ensure this is a valid
+ * frame. If valid the device address of destination will be filled and
+ * the WLP header prepended to the skb. If this step fails we fake sending
+ * the frame, if we return an error the network stack will just keep trying.
+ *
+ * Broadcast frames inside a WSS needs to be treated special as multicast is
+ * not supported. A broadcast frame is sent as unicast to each member of the
+ * WSS - this is done by the WLP substack when it finds a broadcast frame.
+ * So, we test if the WLP substack took over the skb and only transmit it
+ * if it has not (been taken over).
+ *
+ * @net_dev->xmit_lock is held
+ */
+int i1480u_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
+{
+	int result;
+	struct i1480u *i1480u = netdev_priv(net_dev);
+	struct device *dev = &i1480u->usb_iface->dev;
+	struct uwb_dev_addr dst;
+
+	d_fnstart(6, dev, "(skb %p (%u), net_dev %p)\n", skb, skb->len,
+		  net_dev);
+	BUG_ON(i1480u->wlp.rc == NULL);
+	if ((net_dev->flags & IFF_UP) == 0)
+		goto error;
+	result = wlp_prepare_tx_frame(dev, &i1480u->wlp, skb, &dst);
+	if (result < 0) {
+		dev_err(dev, "WLP verification of TX frame failed (%d). "
+			"Dropping packet.\n", result);
+		goto error;
+	} else if (result == 1) {
+		d_printf(6, dev, "WLP will transmit frame. \n");
+		/* trans_start time will be set when WLP actually transmits
+		 * the frame */
+		goto out;
+	}
+	d_printf(6, dev, "Transmitting frame. \n");
+	result = i1480u_xmit_frame(&i1480u->wlp, skb, &dst);
+	if (result < 0) {
+		dev_err(dev, "Frame TX failed (%d).\n", result);
+		goto error;
+	}
+	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
+		net_dev, result);
+	return NETDEV_TX_OK;
+error:
+	dev_kfree_skb_any(skb);
+	i1480u->stats.tx_dropped++;
+out:
+	d_fnend(6, dev, "(skb %p (%u), net_dev %p) = %d\n", skb, skb->len,
+		net_dev, result);
+	return NETDEV_TX_OK;
+}
+
+
+/**
+ * Called when a pkt transmission doesn't complete in a reasonable period
+ * Device reset may sleep - do it outside of interrupt context (delayed)
+ */
+void i1480u_tx_timeout(struct net_device *net_dev)
+{
+	struct i1480u *i1480u = netdev_priv(net_dev);
+
+	wlp_reset_all(&i1480u->wlp);
+}
+
+
+void i1480u_tx_release(struct i1480u *i1480u)
+{
+	unsigned long flags;
+	struct i1480u_tx *wtx, *next;
+	int count = 0, empty;
+
+	spin_lock_irqsave(&i1480u->tx_list_lock, flags);
+	list_for_each_entry_safe(wtx, next, &i1480u->tx_list, list_node) {
+		count++;
+		usb_unlink_urb(wtx->urb);
+	}
+	spin_unlock_irqrestore(&i1480u->tx_list_lock, flags);
+	count = count*10; /* i1480ut 200ms per unlinked urb (intervals of 20ms) */
+	/*
+	 * We don't like this sollution too much (dirty as it is), but
+	 * it is cheaper than putting a refcount on each i1480u_tx and
+	 * i1480uting for all of them to go away...
+	 *
+	 * Called when no more packets can be added to tx_list
+	 * so can i1480ut for it to be empty.
+	 */
+	while (1) {
+		spin_lock_irqsave(&i1480u->tx_list_lock, flags);
+		empty = list_empty(&i1480u->tx_list);
+		spin_unlock_irqrestore(&i1480u->tx_list_lock, flags);
+		if (empty)
+			break;
+		count--;
+		BUG_ON(count == 0);
+		msleep(20);
+	}
+}
-- 
GitLab


From c7f736484f8ecde4dc1bc8459179c4d65f2ccbe4 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:22 +0100
Subject: [PATCH 0172/2224] wusb: add the Wireless USB include files.

Common header files derived from the WUSB 1.0 specification.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 include/linux/usb/wusb-wa.h | 271 ++++++++++++++++++++++++++
 include/linux/usb/wusb.h    | 376 ++++++++++++++++++++++++++++++++++++
 2 files changed, 647 insertions(+)
 create mode 100644 include/linux/usb/wusb-wa.h
 create mode 100644 include/linux/usb/wusb.h

diff --git a/include/linux/usb/wusb-wa.h b/include/linux/usb/wusb-wa.h
new file mode 100644
index 00000000000..a102561e702
--- /dev/null
+++ b/include/linux/usb/wusb-wa.h
@@ -0,0 +1,271 @@
+/*
+ * Wireless USB Wire Adapter constants and structures.
+ *
+ * Copyright (C) 2005-2006 Intel Corporation.
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ * FIXME: organize properly, group logically
+ *
+ * All the event structures are defined in uwb/spec.h, as they are
+ * common to the WHCI and WUSB radio control interfaces.
+ *
+ * References:
+ *   [WUSB] Wireless Universal Serial Bus Specification, revision 1.0, ch8
+ */
+#ifndef __LINUX_USB_WUSB_WA_H
+#define __LINUX_USB_WUSB_WA_H
+
+/**
+ * Radio Command Request for the Radio Control Interface
+ *
+ * Radio Control Interface command and event codes are the same as
+ * WHCI, and listed in include/linux/uwb.h:UWB_RC_{CMD,EVT}_*
+ */
+enum {
+	WA_EXEC_RC_CMD = 40,	/* Radio Control command Request */
+};
+
+/* Wireless Adapter Requests ([WUSB] table 8-51) */
+enum {
+	WUSB_REQ_ADD_MMC_IE     = 20,
+	WUSB_REQ_REMOVE_MMC_IE  = 21,
+	WUSB_REQ_SET_NUM_DNTS   = 22,
+	WUSB_REQ_SET_CLUSTER_ID = 23,
+	WUSB_REQ_SET_DEV_INFO   = 24,
+	WUSB_REQ_GET_TIME       = 25,
+	WUSB_REQ_SET_STREAM_IDX = 26,
+	WUSB_REQ_SET_WUSB_MAS   = 27,
+};
+
+
+/* Wireless Adapter WUSB Channel Time types ([WUSB] table 8-52) */
+enum {
+	WUSB_TIME_ADJ   = 0,
+	WUSB_TIME_BPST  = 1,
+	WUSB_TIME_WUSB  = 2,
+};
+
+enum {
+	WA_ENABLE = 0x01,
+	WA_RESET = 0x02,
+	RPIPE_PAUSE = 0x1,
+};
+
+/* Responses from Get Status request ([WUSB] section 8.3.1.6) */
+enum {
+	WA_STATUS_ENABLED = 0x01,
+	WA_STATUS_RESETTING = 0x02
+};
+
+enum rpipe_crs {
+	RPIPE_CRS_CTL = 0x01,
+	RPIPE_CRS_ISO = 0x02,
+	RPIPE_CRS_BULK = 0x04,
+	RPIPE_CRS_INTR = 0x08
+};
+
+/**
+ * RPipe descriptor ([WUSB] section 8.5.2.11)
+ *
+ * FIXME: explain rpipes
+ */
+struct usb_rpipe_descriptor {
+	u8 	bLength;
+	u8	bDescriptorType;
+	__le16  wRPipeIndex;
+	__le16	wRequests;
+	__le16	wBlocks;		/* rw if 0 */
+	__le16	wMaxPacketSize;		/* rw? */
+	u8	bHSHubAddress;		/* reserved: 0 */
+	u8	bHSHubPort;		/* ??? FIXME ??? */
+	u8	bSpeed;			/* rw: xfer rate 'enum uwb_phy_rate' */
+	u8	bDeviceAddress;		/* rw: Target device address */
+	u8	bEndpointAddress;	/* rw: Target EP address */
+	u8	bDataSequence;		/* ro: Current Data sequence */
+	__le32	dwCurrentWindow;	/* ro */
+	u8	bMaxDataSequence;	/* ro?: max supported seq */
+	u8	bInterval;		/* rw:  */
+	u8	bOverTheAirInterval;	/* rw:  */
+	u8	bmAttribute;		/* ro?  */
+	u8	bmCharacteristics;	/* ro? enum rpipe_attr, supported xsactions */
+	u8	bmRetryOptions;		/* rw? */
+	__le16	wNumTransactionErrors;	/* rw */
+} __attribute__ ((packed));
+
+/**
+ * Wire Adapter Notification types ([WUSB] sections 8.4.5 & 8.5.4)
+ *
+ * These are the notifications coming on the notification endpoint of
+ * an HWA and a DWA.
+ */
+enum wa_notif_type {
+	DWA_NOTIF_RWAKE = 0x91,
+	DWA_NOTIF_PORTSTATUS = 0x92,
+	WA_NOTIF_TRANSFER = 0x93,
+	HWA_NOTIF_BPST_ADJ = 0x94,
+	HWA_NOTIF_DN = 0x95,
+};
+
+/**
+ * Wire Adapter notification header
+ *
+ * Notifications coming from a wire adapter use a common header
+ * defined in [WUSB] sections 8.4.5 & 8.5.4.
+ */
+struct wa_notif_hdr {
+	u8 bLength;
+	u8 bNotifyType;			/* enum wa_notif_type */
+} __attribute__((packed));
+
+/**
+ * HWA DN Received notification [(WUSB] section 8.5.4.2)
+ *
+ * The DNData is specified in WUSB1.0[7.6]. For each device
+ * notification we received, we just need to dispatch it.
+ *
+ * @dndata:  this is really an array of notifications, but all start
+ *           with the same header.
+ */
+struct hwa_notif_dn {
+	struct wa_notif_hdr hdr;
+	u8 bSourceDeviceAddr;		/* from errata 2005/07 */
+	u8 bmAttributes;
+	struct wusb_dn_hdr dndata[];
+} __attribute__((packed));
+
+/* [WUSB] section 8.3.3 */
+enum wa_xfer_type {
+	WA_XFER_TYPE_CTL = 0x80,
+	WA_XFER_TYPE_BI = 0x81,		/* bulk/interrupt */
+	WA_XFER_TYPE_ISO = 0x82,
+	WA_XFER_RESULT = 0x83,
+	WA_XFER_ABORT = 0x84,
+};
+
+/* [WUSB] section 8.3.3 */
+struct wa_xfer_hdr {
+	u8 bLength;			/* 0x18 */
+	u8 bRequestType;		/* 0x80 WA_REQUEST_TYPE_CTL */
+	__le16 wRPipe;			/* RPipe index */
+	__le32 dwTransferID;		/* Host-assigned ID */
+	__le32 dwTransferLength;	/* Length of data to xfer */
+	u8 bTransferSegment;
+} __attribute__((packed));
+
+struct wa_xfer_ctl {
+	struct wa_xfer_hdr hdr;
+	u8 bmAttribute;
+	__le16 wReserved;
+	struct usb_ctrlrequest baSetupData;
+} __attribute__((packed));
+
+struct wa_xfer_bi {
+	struct wa_xfer_hdr hdr;
+	u8 bReserved;
+	__le16 wReserved;
+} __attribute__((packed));
+
+struct wa_xfer_hwaiso {
+	struct wa_xfer_hdr hdr;
+	u8 bReserved;
+	__le16 wPresentationTime;
+	__le32 dwNumOfPackets;
+	/* FIXME: u8 pktdata[]? */
+} __attribute__((packed));
+
+/* [WUSB] section 8.3.3.5 */
+struct wa_xfer_abort {
+	u8 bLength;
+	u8 bRequestType;
+	__le16 wRPipe;			/* RPipe index */
+	__le32 dwTransferID;		/* Host-assigned ID */
+} __attribute__((packed));
+
+/**
+ * WA Transfer Complete notification ([WUSB] section 8.3.3.3)
+ *
+ */
+struct wa_notif_xfer {
+	struct wa_notif_hdr hdr;
+	u8 bEndpoint;
+	u8 Reserved;
+} __attribute__((packed));
+
+/** Transfer result basic codes [WUSB] table 8-15 */
+enum {
+	WA_XFER_STATUS_SUCCESS,
+	WA_XFER_STATUS_HALTED,
+	WA_XFER_STATUS_DATA_BUFFER_ERROR,
+	WA_XFER_STATUS_BABBLE,
+	WA_XFER_RESERVED,
+	WA_XFER_STATUS_NOT_FOUND,
+	WA_XFER_STATUS_INSUFFICIENT_RESOURCE,
+	WA_XFER_STATUS_TRANSACTION_ERROR,
+	WA_XFER_STATUS_ABORTED,
+	WA_XFER_STATUS_RPIPE_NOT_READY,
+	WA_XFER_INVALID_FORMAT,
+	WA_XFER_UNEXPECTED_SEGMENT_NUMBER,
+	WA_XFER_STATUS_RPIPE_TYPE_MISMATCH,
+};
+
+/** [WUSB] section 8.3.3.4 */
+struct wa_xfer_result {
+	struct wa_notif_hdr hdr;
+	__le32 dwTransferID;
+	__le32 dwTransferLength;
+	u8     bTransferSegment;
+	u8     bTransferStatus;
+	__le32 dwNumOfPackets;
+} __attribute__((packed));
+
+/**
+ * Wire Adapter Class Descriptor ([WUSB] section 8.5.2.7).
+ *
+ * NOTE: u16 fields are read Little Endian from the hardware.
+ *
+ * @bNumPorts is the original max number of devices that the host can
+ *            connect; we might chop this so the stack can handle
+ *            it. In case you need to access it, use wusbhc->ports_max
+ *            if it is a Wireless USB WA.
+ */
+struct usb_wa_descriptor {
+	u8	bLength;
+	u8	bDescriptorType;
+	u16	bcdWAVersion;
+	u8	bNumPorts;		/* don't use!! */
+	u8	bmAttributes;		/* Reserved == 0 */
+	u16	wNumRPipes;
+	u16	wRPipeMaxBlock;
+	u8	bRPipeBlockSize;
+	u8	bPwrOn2PwrGood;
+	u8	bNumMMCIEs;
+	u8	DeviceRemovable;	/* FIXME: in DWA this is up to 16 bytes */
+} __attribute__((packed));
+
+/**
+ * HWA Device Information Buffer (WUSB1.0[T8.54])
+ */
+struct hwa_dev_info {
+	u8	bmDeviceAvailability[32];       /* FIXME: ignored for now */
+	u8	bDeviceAddress;
+	__le16	wPHYRates;
+	u8	bmDeviceAttribute;
+} __attribute__((packed));
+
+#endif /* #ifndef __LINUX_USB_WUSB_WA_H */
diff --git a/include/linux/usb/wusb.h b/include/linux/usb/wusb.h
new file mode 100644
index 00000000000..5f401b644ed
--- /dev/null
+++ b/include/linux/usb/wusb.h
@@ -0,0 +1,376 @@
+/*
+ * Wireless USB Standard Definitions
+ * Event Size Tables
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ * FIXME: organize properly, group logically
+ *
+ * All the event structures are defined in uwb/spec.h, as they are
+ * common to the WHCI and WUSB radio control interfaces.
+ */
+
+#ifndef __WUSB_H__
+#define __WUSB_H__
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/uwb/spec.h>
+#include <linux/usb/ch9.h>
+#include <linux/param.h>
+
+/**
+ * WUSB Information Element header
+ *
+ * I don't know why, they decided to make it different to the MBOA MAC
+ * IE Header; beats me.
+ */
+struct wuie_hdr {
+	u8 bLength;
+	u8 bIEIdentifier;
+} __attribute__((packed));
+
+enum {
+	WUIE_ID_WCTA = 0x80,
+	WUIE_ID_CONNECTACK,
+	WUIE_ID_HOST_INFO,
+	WUIE_ID_CHANGE_ANNOUNCE,
+	WUIE_ID_DEVICE_DISCONNECT,
+	WUIE_ID_HOST_DISCONNECT,
+	WUIE_ID_KEEP_ALIVE = 0x89,
+	WUIE_ID_ISOCH_DISCARD,
+	WUIE_ID_RESET_DEVICE,
+};
+
+/**
+ * Maximum number of array elements in a WUSB IE.
+ *
+ * WUSB1.0[7.5 before table 7-38] says that in WUSB IEs that
+ * are "arrays" have to limited to 4 elements. So we define it
+ * like that to ease up and submit only the neeed size.
+ */
+#define WUIE_ELT_MAX 4
+
+/**
+ * Wrapper for the data that defines a CHID, a CDID or a CK
+ *
+ * WUSB defines that CHIDs, CDIDs and CKs are a 16 byte string of
+ * data. In order to avoid confusion and enforce types, we wrap it.
+ *
+ * Make it packed, as we use it in some hw defintions.
+ */
+struct wusb_ckhdid {
+	u8 data[16];
+} __attribute__((packed));
+
+const static
+struct wusb_ckhdid wusb_ckhdid_zero = { .data = { 0 } };
+
+#define WUSB_CKHDID_STRSIZE (3 * sizeof(struct wusb_ckhdid) + 1)
+
+/**
+ * WUSB IE: Host Information (WUSB1.0[7.5.2])
+ *
+ * Used to provide information about the host to the Wireless USB
+ * devices in range (CHID can be used as an ASCII string).
+ */
+struct wuie_host_info {
+	struct wuie_hdr hdr;
+	__le16 attributes;
+	struct wusb_ckhdid CHID;
+} __attribute__((packed));
+
+/**
+ * WUSB IE: Connect Ack (WUSB1.0[7.5.1])
+ *
+ * Used to acknowledge device connect requests. See note for
+ * WUIE_ELT_MAX.
+ */
+struct wuie_connect_ack {
+	struct wuie_hdr hdr;
+	struct {
+		struct wusb_ckhdid CDID;
+		u8 bDeviceAddress;	/* 0 means unused */
+		u8 bReserved;
+	} blk[WUIE_ELT_MAX];
+} __attribute__((packed));
+
+/**
+ * WUSB IE Host Information Element, Connect Availability
+ *
+ * WUSB1.0[7.5.2], bmAttributes description
+ */
+enum {
+	WUIE_HI_CAP_RECONNECT = 0,
+	WUIE_HI_CAP_LIMITED,
+	WUIE_HI_CAP_RESERVED,
+	WUIE_HI_CAP_ALL,
+};
+
+/**
+ * WUSB IE: Channel Stop (WUSB1.0[7.5.8])
+ *
+ * Tells devices the host is going to stop sending MMCs and will dissapear.
+ */
+struct wuie_channel_stop {
+	struct wuie_hdr hdr;
+	u8 attributes;
+	u8 timestamp[3];
+} __attribute__((packed));
+
+/**
+ * WUSB IE: Keepalive (WUSB1.0[7.5.9])
+ *
+ * Ask device(s) to send keepalives.
+ */
+struct wuie_keep_alive {
+	struct wuie_hdr hdr;
+	u8 bDeviceAddress[WUIE_ELT_MAX];
+} __attribute__((packed));
+
+/**
+ * WUSB IE: Reset device (WUSB1.0[7.5.11])
+ *
+ * Tell device to reset; in all truth, we can fit 4 CDIDs, but we only
+ * use it for one at the time...
+ *
+ * In any case, this request is a wee bit silly: why don't they target
+ * by address??
+ */
+struct wuie_reset {
+	struct wuie_hdr hdr;
+	struct wusb_ckhdid CDID;
+} __attribute__((packed));
+
+/**
+ * WUSB IE: Disconnect device (WUSB1.0[7.5.11])
+ *
+ * Tell device to disconnect; we can fit 4 addresses, but we only use
+ * it for one at the time...
+ */
+struct wuie_disconnect {
+	struct wuie_hdr hdr;
+	u8 bDeviceAddress;
+	u8 padding;
+} __attribute__((packed));
+
+/**
+ * WUSB IE: Host disconnect ([WUSB] section 7.5.5)
+ *
+ * Tells all connected devices to disconnect.
+ */
+struct wuie_host_disconnect {
+	struct wuie_hdr hdr;
+} __attribute__((packed));
+
+/**
+ * WUSB Device Notification header (WUSB1.0[7.6])
+ */
+struct wusb_dn_hdr {
+	u8 bType;
+	u8 notifdata[];
+} __attribute__((packed));
+
+/** Device Notification codes (WUSB1.0[Table 7-54]) */
+enum WUSB_DN {
+	WUSB_DN_CONNECT = 0x01,
+	WUSB_DN_DISCONNECT = 0x02,
+	WUSB_DN_EPRDY = 0x03,
+	WUSB_DN_MASAVAILCHANGED = 0x04,
+	WUSB_DN_RWAKE = 0x05,
+	WUSB_DN_SLEEP = 0x06,
+	WUSB_DN_ALIVE = 0x07,
+};
+
+/** WUSB Device Notification Connect */
+struct wusb_dn_connect {
+	struct wusb_dn_hdr hdr;
+	__le16 attributes;
+	struct wusb_ckhdid CDID;
+} __attribute__((packed));
+
+static inline int wusb_dn_connect_prev_dev_addr(const struct wusb_dn_connect *dn)
+{
+	return le16_to_cpu(dn->attributes) & 0xff;
+}
+
+static inline int wusb_dn_connect_new_connection(const struct wusb_dn_connect *dn)
+{
+	return (le16_to_cpu(dn->attributes) >> 8) & 0x1;
+}
+
+static inline int wusb_dn_connect_beacon_behavior(const struct wusb_dn_connect *dn)
+{
+	return (le16_to_cpu(dn->attributes) >> 9) & 0x03;
+}
+
+/** Device is alive (aka: pong) (WUSB1.0[7.6.7]) */
+struct wusb_dn_alive {
+	struct wusb_dn_hdr hdr;
+} __attribute__((packed));
+
+/** Device is disconnecting (WUSB1.0[7.6.2]) */
+struct wusb_dn_disconnect {
+	struct wusb_dn_hdr hdr;
+} __attribute__((packed));
+
+/* General constants */
+enum {
+	WUSB_TRUST_TIMEOUT_MS = 4000,	/* [WUSB] section 4.15.1 */
+};
+
+static inline size_t ckhdid_printf(char *pr_ckhdid, size_t size,
+				   const struct wusb_ckhdid *ckhdid)
+{
+	return scnprintf(pr_ckhdid, size,
+			 "%02hx %02hx %02hx %02hx %02hx %02hx %02hx %02hx "
+			 "%02hx %02hx %02hx %02hx %02hx %02hx %02hx %02hx",
+			 ckhdid->data[0],  ckhdid->data[1],
+			 ckhdid->data[2],  ckhdid->data[3],
+			 ckhdid->data[4],  ckhdid->data[5],
+			 ckhdid->data[6],  ckhdid->data[7],
+			 ckhdid->data[8],  ckhdid->data[9],
+			 ckhdid->data[10], ckhdid->data[11],
+			 ckhdid->data[12], ckhdid->data[13],
+			 ckhdid->data[14], ckhdid->data[15]);
+}
+
+/*
+ * WUSB Crypto stuff (WUSB1.0[6])
+ */
+
+extern const char *wusb_et_name(u8);
+
+/**
+ * WUSB key index WUSB1.0[7.3.2.4], for usage when setting keys for
+ * the host or the device.
+ */
+static inline u8 wusb_key_index(int index, int type, int originator)
+{
+	return (originator << 6) | (type << 4) | index;
+}
+
+#define WUSB_KEY_INDEX_TYPE_PTK			0 /* for HWA only */
+#define WUSB_KEY_INDEX_TYPE_ASSOC		1
+#define WUSB_KEY_INDEX_TYPE_GTK			2
+#define WUSB_KEY_INDEX_ORIGINATOR_HOST		0
+#define WUSB_KEY_INDEX_ORIGINATOR_DEVICE	1
+
+/* A CCM Nonce, defined in WUSB1.0[6.4.1] */
+struct aes_ccm_nonce {
+	u8 sfn[6];              /* Little Endian */
+	u8 tkid[3];             /* LE */
+	struct uwb_dev_addr dest_addr;
+	struct uwb_dev_addr src_addr;
+} __attribute__((packed));
+
+/* A CCM operation label, defined on WUSB1.0[6.5.x] */
+struct aes_ccm_label {
+	u8 data[14];
+} __attribute__((packed));
+
+/*
+ * Input to the key derivation sequence defined in
+ * WUSB1.0[6.5.1]. Rest of the data is in the CCM Nonce passed to the
+ * PRF function.
+ */
+struct wusb_keydvt_in {
+	u8 hnonce[16];
+	u8 dnonce[16];
+} __attribute__((packed));
+
+/*
+ * Output from the key derivation sequence defined in
+ * WUSB1.0[6.5.1].
+ */
+struct wusb_keydvt_out {
+	u8 kck[16];
+	u8 ptk[16];
+} __attribute__((packed));
+
+/* Pseudo Random Function WUSB1.0[6.5] */
+extern int wusb_crypto_init(void);
+extern void wusb_crypto_exit(void);
+extern ssize_t wusb_prf(void *out, size_t out_size,
+			const u8 key[16], const struct aes_ccm_nonce *_n,
+			const struct aes_ccm_label *a,
+			const void *b, size_t blen, size_t len);
+
+static inline int wusb_prf_64(void *out, size_t out_size, const u8 key[16],
+			      const struct aes_ccm_nonce *n,
+			      const struct aes_ccm_label *a,
+			      const void *b, size_t blen)
+{
+	return wusb_prf(out, out_size, key, n, a, b, blen, 64);
+}
+
+static inline int wusb_prf_128(void *out, size_t out_size, const u8 key[16],
+			       const struct aes_ccm_nonce *n,
+			       const struct aes_ccm_label *a,
+			       const void *b, size_t blen)
+{
+	return wusb_prf(out, out_size, key, n, a, b, blen, 128);
+}
+
+static inline int wusb_prf_256(void *out, size_t out_size, const u8 key[16],
+			       const struct aes_ccm_nonce *n,
+			       const struct aes_ccm_label *a,
+			       const void *b, size_t blen)
+{
+	return wusb_prf(out, out_size, key, n, a, b, blen, 256);
+}
+
+/* Key derivation WUSB1.0[6.5.1] */
+static inline int wusb_key_derive(struct wusb_keydvt_out *keydvt_out,
+				  const u8 key[16],
+				  const struct aes_ccm_nonce *n,
+				  const struct wusb_keydvt_in *keydvt_in)
+{
+	const struct aes_ccm_label a = { .data = "Pair-wise keys" };
+	return wusb_prf_256(keydvt_out, sizeof(*keydvt_out), key, n, &a,
+			    keydvt_in, sizeof(*keydvt_in));
+}
+
+/*
+ * Out-of-band MIC Generation WUSB1.0[6.5.2]
+ *
+ * Compute the MIC over @key, @n and @hs and place it in @mic_out.
+ *
+ * @mic_out:  Where to place the 8 byte MIC tag
+ * @key:      KCK from the derivation process
+ * @n:        CCM nonce, n->sfn == 0, TKID as established in the
+ *            process.
+ * @hs:       Handshake struct for phase 2 of the 4-way.
+ *            hs->bStatus and hs->bReserved are zero.
+ *            hs->bMessageNumber is 2 (WUSB1.0[7.3.2.5.2]
+ *            hs->dest_addr is the device's USB address padded with 0
+ *            hs->src_addr is the hosts's UWB device address
+ *            hs->mic is ignored (as we compute that value).
+ */
+static inline int wusb_oob_mic(u8 mic_out[8], const u8 key[16],
+			       const struct aes_ccm_nonce *n,
+			       const struct usb_handshake *hs)
+{
+	const struct aes_ccm_label a = { .data = "out-of-bandMIC" };
+	return wusb_prf_64(mic_out, 8, key, n, &a,
+			   hs, sizeof(*hs) - sizeof(hs->MIC));
+}
+
+#endif /* #ifndef __WUSB_H__ */
-- 
GitLab


From 90ff96f22426a9d1a06df97dead0a9098facb567 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:23 +0100
Subject: [PATCH 0173/2224] wusb: add the Wireless USB core

Add support for Ceritified Wireless USB 1.0 to the USB stack.

This has been split into several patches for easier review.

core (this patch):
  - host controller infrastructure
  - cluster reservation
  - UWB PAL registration
  - fake root hub

protocol:
  - MMC management (start/stop, managing IEs)
  - device connection

security:
  - device authentication and authorization

build-system:
  - Kconfig and Kbuild files

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/dev-sysfs.c   | 143 +++++++++
 drivers/usb/wusbcore/pal.c         |  39 +++
 drivers/usb/wusbcore/reservation.c | 115 +++++++
 drivers/usb/wusbcore/rh.c          | 477 +++++++++++++++++++++++++++
 drivers/usb/wusbcore/wusbhc.c      | 416 ++++++++++++++++++++++++
 drivers/usb/wusbcore/wusbhc.h      | 495 +++++++++++++++++++++++++++++
 6 files changed, 1685 insertions(+)
 create mode 100644 drivers/usb/wusbcore/dev-sysfs.c
 create mode 100644 drivers/usb/wusbcore/pal.c
 create mode 100644 drivers/usb/wusbcore/reservation.c
 create mode 100644 drivers/usb/wusbcore/rh.c
 create mode 100644 drivers/usb/wusbcore/wusbhc.c
 create mode 100644 drivers/usb/wusbcore/wusbhc.h

diff --git a/drivers/usb/wusbcore/dev-sysfs.c b/drivers/usb/wusbcore/dev-sysfs.c
new file mode 100644
index 00000000000..7897a19652e
--- /dev/null
+++ b/drivers/usb/wusbcore/dev-sysfs.c
@@ -0,0 +1,143 @@
+/*
+ * WUSB devices
+ * sysfs bindings
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Get them out of the way...
+ */
+
+#include <linux/jiffies.h>
+#include <linux/ctype.h>
+#include <linux/workqueue.h>
+#include "wusbhc.h"
+
+#undef D_LOCAL
+#define D_LOCAL 4
+#include <linux/uwb/debug.h>
+
+static ssize_t wusb_disconnect_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t size)
+{
+	struct usb_device *usb_dev;
+	struct wusbhc *wusbhc;
+	unsigned command;
+	u8 port_idx;
+
+	if (sscanf(buf, "%u", &command) != 1)
+		return -EINVAL;
+	if (command == 0)
+		return size;
+	usb_dev = to_usb_device(dev);
+	wusbhc = wusbhc_get_by_usb_dev(usb_dev);
+	if (wusbhc == NULL)
+		return -ENODEV;
+
+	mutex_lock(&wusbhc->mutex);
+	port_idx = wusb_port_no_to_idx(usb_dev->portnum);
+	__wusbhc_dev_disable(wusbhc, port_idx);
+	mutex_unlock(&wusbhc->mutex);
+	wusbhc_put(wusbhc);
+	return size;
+}
+static DEVICE_ATTR(wusb_disconnect, 0200, NULL, wusb_disconnect_store);
+
+static ssize_t wusb_cdid_show(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	ssize_t result;
+	struct wusb_dev *wusb_dev;
+
+	wusb_dev = wusb_dev_get_by_usb_dev(to_usb_device(dev));
+	if (wusb_dev == NULL)
+		return -ENODEV;
+	result = ckhdid_printf(buf, PAGE_SIZE, &wusb_dev->cdid);
+	strcat(buf, "\n");
+	wusb_dev_put(wusb_dev);
+	return result + 1;
+}
+static DEVICE_ATTR(wusb_cdid, 0444, wusb_cdid_show, NULL);
+
+static ssize_t wusb_ck_store(struct device *dev,
+			     struct device_attribute *attr,
+			     const char *buf, size_t size)
+{
+	int result;
+	struct usb_device *usb_dev;
+	struct wusbhc *wusbhc;
+	struct wusb_ckhdid ck;
+
+	result = sscanf(buf,
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx\n",
+			&ck.data[0] , &ck.data[1],
+			&ck.data[2] , &ck.data[3],
+			&ck.data[4] , &ck.data[5],
+			&ck.data[6] , &ck.data[7],
+			&ck.data[8] , &ck.data[9],
+			&ck.data[10], &ck.data[11],
+			&ck.data[12], &ck.data[13],
+			&ck.data[14], &ck.data[15]);
+	if (result != 16)
+		return -EINVAL;
+
+	usb_dev = to_usb_device(dev);
+	wusbhc = wusbhc_get_by_usb_dev(usb_dev);
+	if (wusbhc == NULL)
+		return -ENODEV;
+	result = wusb_dev_4way_handshake(wusbhc, usb_dev->wusb_dev, &ck);
+	memset(&ck, 0, sizeof(ck));
+	wusbhc_put(wusbhc);
+	return result < 0 ? result : size;
+}
+static DEVICE_ATTR(wusb_ck, 0200, NULL, wusb_ck_store);
+
+static struct attribute *wusb_dev_attrs[] = {
+		&dev_attr_wusb_disconnect.attr,
+		&dev_attr_wusb_cdid.attr,
+		&dev_attr_wusb_ck.attr,
+		NULL,
+};
+
+static struct attribute_group wusb_dev_attr_group = {
+	.name = NULL,	/* we want them in the same directory */
+	.attrs = wusb_dev_attrs,
+};
+
+int wusb_dev_sysfs_add(struct wusbhc *wusbhc, struct usb_device *usb_dev,
+		       struct wusb_dev *wusb_dev)
+{
+	int result = sysfs_create_group(&usb_dev->dev.kobj,
+					&wusb_dev_attr_group);
+	struct device *dev = &usb_dev->dev;
+	if (result < 0)
+		dev_err(dev, "Cannot register WUSB-dev attributes: %d\n",
+			result);
+	return result;
+}
+
+void wusb_dev_sysfs_rm(struct wusb_dev *wusb_dev)
+{
+	struct usb_device *usb_dev = wusb_dev->usb_dev;
+	if (usb_dev)
+		sysfs_remove_group(&usb_dev->dev.kobj, &wusb_dev_attr_group);
+}
diff --git a/drivers/usb/wusbcore/pal.c b/drivers/usb/wusbcore/pal.c
new file mode 100644
index 00000000000..cc126b44473
--- /dev/null
+++ b/drivers/usb/wusbcore/pal.c
@@ -0,0 +1,39 @@
+/*
+ * Wireless USB Host Controller
+ * UWB Protocol Adaptation Layer (PAL) glue.
+ *
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "wusbhc.h"
+
+/**
+ * wusbhc_pal_register - register the WUSB HC as a UWB PAL
+ * @wusbhc: the WUSB HC
+ */
+int wusbhc_pal_register(struct wusbhc *wusbhc)
+{
+	uwb_pal_init(&wusbhc->pal);
+
+	return uwb_pal_register(wusbhc->uwb_rc, &wusbhc->pal);
+}
+
+/**
+ * wusbhc_pal_register - unregister the WUSB HC as a UWB PAL
+ * @wusbhc: the WUSB HC
+ */
+void wusbhc_pal_unregister(struct wusbhc *wusbhc)
+{
+	uwb_pal_unregister(wusbhc->uwb_rc, &wusbhc->pal);
+}
diff --git a/drivers/usb/wusbcore/reservation.c b/drivers/usb/wusbcore/reservation.c
new file mode 100644
index 00000000000..fc63e77ded2
--- /dev/null
+++ b/drivers/usb/wusbcore/reservation.c
@@ -0,0 +1,115 @@
+/*
+ * WUSB cluster reservation management
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/uwb.h>
+
+#include "wusbhc.h"
+
+/*
+ * WUSB cluster reservations are multicast reservations with the
+ * broadcast cluster ID (BCID) as the target DevAddr.
+ *
+ * FIXME: consider adjusting the reservation depending on what devices
+ * are attached.
+ */
+
+static int wusbhc_bwa_set(struct wusbhc *wusbhc, u8 stream,
+	const struct uwb_mas_bm *mas)
+{
+	if (mas == NULL)
+		mas = &uwb_mas_bm_zero;
+	return wusbhc->bwa_set(wusbhc, stream, mas);
+}
+
+/**
+ * wusbhc_rsv_complete_cb - WUSB HC reservation complete callback
+ * @rsv:    the reservation
+ *
+ * Either set or clear the HC's view of the reservation.
+ *
+ * FIXME: when a reservation is denied the HC should be stopped.
+ */
+static void wusbhc_rsv_complete_cb(struct uwb_rsv *rsv)
+{
+	struct wusbhc *wusbhc = rsv->pal_priv;
+	struct device *dev = wusbhc->dev;
+	char buf[72];
+
+	switch (rsv->state) {
+	case UWB_RSV_STATE_O_ESTABLISHED:
+		bitmap_scnprintf(buf, sizeof(buf), rsv->mas.bm, UWB_NUM_MAS);
+		dev_dbg(dev, "established reservation: %s\n", buf);
+		wusbhc_bwa_set(wusbhc, rsv->stream, &rsv->mas);
+		break;
+	case UWB_RSV_STATE_NONE:
+		dev_dbg(dev, "removed reservation\n");
+		wusbhc_bwa_set(wusbhc, 0, NULL);
+		wusbhc->rsv = NULL;
+		break;
+	default:
+		dev_dbg(dev, "unexpected reservation state: %d\n", rsv->state);
+		break;
+	}
+}
+
+
+/**
+ * wusbhc_rsv_establish - establish a reservation for the cluster
+ * @wusbhc: the WUSB HC requesting a bandwith reservation
+ */
+int wusbhc_rsv_establish(struct wusbhc *wusbhc)
+{
+	struct uwb_rc *rc = wusbhc->uwb_rc;
+	struct uwb_rsv *rsv;
+	struct uwb_dev_addr bcid;
+	int ret;
+
+	rsv = uwb_rsv_create(rc, wusbhc_rsv_complete_cb, wusbhc);
+	if (rsv == NULL)
+		return -ENOMEM;
+
+	bcid.data[0] = wusbhc->cluster_id;
+	bcid.data[1] = 0;
+
+	rsv->owner = &rc->uwb_dev;
+	rsv->target.type = UWB_RSV_TARGET_DEVADDR;
+	rsv->target.devaddr = bcid;
+	rsv->type = UWB_DRP_TYPE_PRIVATE;
+	rsv->max_mas = 256;
+	rsv->min_mas = 16;  /* one MAS per zone? */
+	rsv->sparsity = 16; /* at least one MAS in each zone? */
+	rsv->is_multicast = true;
+
+	ret = uwb_rsv_establish(rsv);
+	if (ret == 0)
+		wusbhc->rsv = rsv;
+	else
+		uwb_rsv_destroy(rsv);
+	return ret;
+}
+
+
+/**
+ * wusbhc_rsv_terminate - terminate any cluster reservation
+ * @wusbhc: the WUSB host whose reservation is to be terminated
+ */
+void wusbhc_rsv_terminate(struct wusbhc *wusbhc)
+{
+	if (wusbhc->rsv)
+		uwb_rsv_terminate(wusbhc->rsv);
+}
diff --git a/drivers/usb/wusbcore/rh.c b/drivers/usb/wusbcore/rh.c
new file mode 100644
index 00000000000..267a6432510
--- /dev/null
+++ b/drivers/usb/wusbcore/rh.c
@@ -0,0 +1,477 @@
+/*
+ * Wireless USB Host Controller
+ * Root Hub operations
+ *
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * We fake a root hub that has fake ports (as many as simultaneous
+ * devices the Wireless USB Host Controller can deal with). For each
+ * port we keep an state in @wusbhc->port[index] identical to the one
+ * specified in the USB2.0[ch11] spec and some extra device
+ * information that complements the one in 'struct usb_device' (as
+ * this lacs a hcpriv pointer).
+ *
+ * Note this is common to WHCI and HWA host controllers.
+ *
+ * Through here we enable most of the state changes that the USB stack
+ * will use to connect or disconnect devices. We need to do some
+ * forced adaptation of Wireless USB device states vs. wired:
+ *
+ *        USB:                 WUSB:
+ *
+ * Port   Powered-off          port slot n/a
+ *        Powered-on           port slot available
+ *        Disconnected         port slot available
+ *        Connected            port slot assigned device
+ *        		       device sent DN_Connect
+ *                             device was authenticated
+ *        Enabled              device is authenticated, transitioned
+ *                             from unauth -> auth -> default address
+ *                             -> enabled
+ *        Reset                disconnect
+ *        Disable              disconnect
+ *
+ * This maps the standard USB port states with the WUSB device states
+ * so we can fake ports without having to modify the USB stack.
+ *
+ * FIXME: this process will change in the future
+ *
+ *
+ * ENTRY POINTS
+ *
+ * Our entry points into here are, as in hcd.c, the USB stack root hub
+ * ops defined in the usb_hcd struct:
+ *
+ * wusbhc_rh_status_data()	Provide hub and port status data bitmap
+ *
+ * wusbhc_rh_control()          Execution of all the major requests
+ *                              you can do to a hub (Set|Clear
+ *                              features, get descriptors, status, etc).
+ *
+ * wusbhc_rh_[suspend|resume]() That
+ *
+ * wusbhc_rh_start_port_reset() ??? unimplemented
+ */
+#include "wusbhc.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+/*
+ * Reset a fake port
+ *
+ * This can be called to reset a port from any other state or to reset
+ * it when connecting. In Wireless USB they are different; when doing
+ * a new connect that involves going over the authentication. When
+ * just reseting, its a different story.
+ *
+ * The Linux USB stack resets a port twice before it considers it
+ * enabled, so we have to detect and ignore that.
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ *
+ * Supposedly we are the only thread accesing @wusbhc->port; in any
+ * case, maybe we should move the mutex locking from
+ * wusbhc_devconnect_auth() to here.
+ *
+ * @port_idx refers to the wusbhc's port index, not the USB port number
+ */
+static int wusbhc_rh_port_reset(struct wusbhc *wusbhc, u8 port_idx)
+{
+	int result = 0;
+	struct wusb_port *port = wusb_port_by_idx(wusbhc, port_idx);
+
+	d_fnstart(3, wusbhc->dev, "(wusbhc %p port_idx %u)\n",
+		  wusbhc, port_idx);
+	if (port->reset_count == 0) {
+		wusbhc_devconnect_auth(wusbhc, port_idx);
+		port->reset_count++;
+	} else if (port->reset_count == 1)
+		/* see header */
+		d_printf(2, wusbhc->dev, "Ignoring second reset on port_idx "
+			"%u\n", port_idx);
+	else
+		result = wusbhc_dev_reset(wusbhc, port_idx);
+	d_fnend(3, wusbhc->dev, "(wusbhc %p port_idx %u) = %d\n",
+		wusbhc, port_idx, result);
+	return result;
+}
+
+/*
+ * Return the hub change status bitmap
+ *
+ * The bits in the change status bitmap are cleared when a
+ * ClearPortFeature request is issued (USB2.0[11.12.3,11.12.4].
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ *
+ * WARNING!! This gets called from atomic context; we cannot get the
+ *           mutex--the only race condition we can find is some bit
+ *           changing just after we copy it, which shouldn't be too
+ *           big of a problem [and we can't make it an spinlock
+ *           because other parts need to take it and sleep] .
+ *
+ *           @usb_hcd is refcounted, so it won't dissapear under us
+ *           and before killing a host, the polling of the root hub
+ *           would be stopped anyway.
+ */
+int wusbhc_rh_status_data(struct usb_hcd *usb_hcd, char *_buf)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	size_t cnt, size;
+	unsigned long *buf = (unsigned long *) _buf;
+
+	d_fnstart(1, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
+	/* WE DON'T LOCK, see comment */
+	size = wusbhc->ports_max + 1 /* hub bit */;
+	size = (size + 8 - 1) / 8;	/* round to bytes */
+	for (cnt = 0; cnt < wusbhc->ports_max; cnt++)
+		if (wusb_port_by_idx(wusbhc, cnt)->change)
+			set_bit(cnt + 1, buf);
+		else
+			clear_bit(cnt + 1, buf);
+	d_fnend(1, wusbhc->dev, "(wusbhc %p) %u, buffer:\n", wusbhc, (int)size);
+	d_dump(1, wusbhc->dev, _buf, size);
+	return size;
+}
+EXPORT_SYMBOL_GPL(wusbhc_rh_status_data);
+
+/*
+ * Return the hub's desciptor
+ *
+ * NOTE: almost cut and paste from ehci-hub.c
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked
+ */
+static int wusbhc_rh_get_hub_descr(struct wusbhc *wusbhc, u16 wValue,
+				   u16 wIndex,
+				   struct usb_hub_descriptor *descr,
+				   u16 wLength)
+{
+	u16 temp = 1 + (wusbhc->ports_max / 8);
+	u8 length = 7 + 2 * temp;
+
+	if (wLength < length)
+		return -ENOSPC;
+	descr->bDescLength = 7 + 2 * temp;
+	descr->bDescriptorType = 0x29;	/* HUB type */
+	descr->bNbrPorts = wusbhc->ports_max;
+	descr->wHubCharacteristics = cpu_to_le16(
+		0x00			/* All ports power at once */
+		| 0x00			/* not part of compound device */
+		| 0x10			/* No overcurrent protection */
+		| 0x00			/* 8 FS think time FIXME ?? */
+		| 0x00);		/* No port indicators */
+	descr->bPwrOn2PwrGood = 0;
+	descr->bHubContrCurrent = 0;
+	/* two bitmaps:  ports removable, and usb 1.0 legacy PortPwrCtrlMask */
+	memset(&descr->bitmap[0], 0, temp);
+	memset(&descr->bitmap[temp], 0xff, temp);
+	return 0;
+}
+
+/*
+ * Clear a hub feature
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ *
+ * Nothing to do, so no locking needed ;)
+ */
+static int wusbhc_rh_clear_hub_feat(struct wusbhc *wusbhc, u16 feature)
+{
+	int result;
+	struct device *dev = wusbhc->dev;
+
+	d_fnstart(4, dev, "(%p, feature 0x%04u)\n", wusbhc, feature);
+	switch (feature) {
+	case C_HUB_LOCAL_POWER:
+		/* FIXME: maybe plug bit 0 to the power input status,
+		 * if any?
+		 * see wusbhc_rh_get_hub_status() */
+	case C_HUB_OVER_CURRENT:
+		result = 0;
+		break;
+	default:
+		result = -EPIPE;
+	}
+	d_fnend(4, dev, "(%p, feature 0x%04u), %d\n", wusbhc, feature, result);
+	return result;
+}
+
+/*
+ * Return hub status (it is always zero...)
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ *
+ * Nothing to do, so no locking needed ;)
+ */
+static int wusbhc_rh_get_hub_status(struct wusbhc *wusbhc, u32 *buf,
+				    u16 wLength)
+{
+	/* FIXME: maybe plug bit 0 to the power input status (if any)? */
+	*buf = 0;
+	return 0;
+}
+
+/*
+ * Set a port feature
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ */
+static int wusbhc_rh_set_port_feat(struct wusbhc *wusbhc, u16 feature,
+				   u8 selector, u8 port_idx)
+{
+	int result = -EINVAL;
+	struct device *dev = wusbhc->dev;
+
+	d_fnstart(4, dev, "(feat 0x%04u, selector 0x%u, port_idx %d)\n",
+		  feature, selector, port_idx);
+
+	if (port_idx > wusbhc->ports_max)
+		goto error;
+
+	switch (feature) {
+		/* According to USB2.0[11.24.2.13]p2, these features
+		 * are not required to be implemented. */
+	case USB_PORT_FEAT_C_OVER_CURRENT:
+	case USB_PORT_FEAT_C_ENABLE:
+	case USB_PORT_FEAT_C_SUSPEND:
+	case USB_PORT_FEAT_C_CONNECTION:
+	case USB_PORT_FEAT_C_RESET:
+		result = 0;
+		break;
+
+	case USB_PORT_FEAT_POWER:
+		/* No such thing, but we fake it works */
+		mutex_lock(&wusbhc->mutex);
+		wusb_port_by_idx(wusbhc, port_idx)->status |= USB_PORT_STAT_POWER;
+		mutex_unlock(&wusbhc->mutex);
+		result = 0;
+		break;
+	case USB_PORT_FEAT_RESET:
+		result = wusbhc_rh_port_reset(wusbhc, port_idx);
+		break;
+	case USB_PORT_FEAT_ENABLE:
+	case USB_PORT_FEAT_SUSPEND:
+		dev_err(dev, "(port_idx %d) set feat %d/%d UNIMPLEMENTED\n",
+			port_idx, feature, selector);
+		result = -ENOSYS;
+		break;
+	default:
+		dev_err(dev, "(port_idx %d) set feat %d/%d UNKNOWN\n",
+			port_idx, feature, selector);
+		result = -EPIPE;
+		break;
+	}
+error:
+	d_fnend(4, dev, "(feat 0x%04u, selector 0x%u, port_idx %d) = %d\n",
+		feature, selector, port_idx, result);
+	return result;
+}
+
+/*
+ * Clear a port feature...
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ */
+static int wusbhc_rh_clear_port_feat(struct wusbhc *wusbhc, u16 feature,
+				     u8 selector, u8 port_idx)
+{
+	int result = -EINVAL;
+	struct device *dev = wusbhc->dev;
+
+	d_fnstart(4, dev, "(wusbhc %p feat 0x%04x selector %d port_idx %d)\n",
+		  wusbhc, feature, selector, port_idx);
+
+	if (port_idx > wusbhc->ports_max)
+		goto error;
+
+	mutex_lock(&wusbhc->mutex);
+	result = 0;
+	switch (feature) {
+	case USB_PORT_FEAT_POWER:	/* fake port always on */
+		/* According to USB2.0[11.24.2.7.1.4], no need to implement? */
+	case USB_PORT_FEAT_C_OVER_CURRENT:
+		break;
+	case USB_PORT_FEAT_C_RESET:
+		wusb_port_by_idx(wusbhc, port_idx)->change &= ~USB_PORT_STAT_C_RESET;
+		break;
+	case USB_PORT_FEAT_C_CONNECTION:
+		wusb_port_by_idx(wusbhc, port_idx)->change &= ~USB_PORT_STAT_C_CONNECTION;
+		break;
+	case USB_PORT_FEAT_ENABLE:
+		__wusbhc_dev_disable(wusbhc, port_idx);
+		break;
+	case USB_PORT_FEAT_C_ENABLE:
+		wusb_port_by_idx(wusbhc, port_idx)->change &= ~USB_PORT_STAT_C_ENABLE;
+		break;
+	case USB_PORT_FEAT_SUSPEND:
+	case USB_PORT_FEAT_C_SUSPEND:
+	case 0xffff:		/* ??? FIXME */
+		dev_err(dev, "(port_idx %d) Clear feat %d/%d UNIMPLEMENTED\n",
+			port_idx, feature, selector);
+		/* dump_stack(); */
+		result = -ENOSYS;
+		break;
+	default:
+		dev_err(dev, "(port_idx %d) Clear feat %d/%d UNKNOWN\n",
+			port_idx, feature, selector);
+		result = -EPIPE;
+		break;
+	}
+	mutex_unlock(&wusbhc->mutex);
+error:
+	d_fnend(4, dev, "(wusbhc %p feat 0x%04x selector %d port_idx %d) = "
+		"%d\n", wusbhc, feature, selector, port_idx, result);
+	return result;
+}
+
+/*
+ * Return the port's status
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ */
+static int wusbhc_rh_get_port_status(struct wusbhc *wusbhc, u16 port_idx,
+				     u32 *_buf, u16 wLength)
+{
+	int result = -EINVAL;
+	u16 *buf = (u16 *) _buf;
+
+	d_fnstart(1, wusbhc->dev, "(wusbhc %p port_idx %u wLength %u)\n",
+		  wusbhc, port_idx, wLength);
+	if (port_idx > wusbhc->ports_max)
+		goto error;
+	mutex_lock(&wusbhc->mutex);
+	buf[0] = cpu_to_le16(wusb_port_by_idx(wusbhc, port_idx)->status);
+	buf[1] = cpu_to_le16(wusb_port_by_idx(wusbhc, port_idx)->change);
+	result = 0;
+	mutex_unlock(&wusbhc->mutex);
+error:
+	d_fnend(1, wusbhc->dev, "(wusbhc %p) = %d, buffer:\n", wusbhc, result);
+	d_dump(1, wusbhc->dev, _buf, wLength);
+	return result;
+}
+
+/*
+ * Entry point for Root Hub operations
+ *
+ * @wusbhc is assumed referenced and @wusbhc->mutex unlocked.
+ */
+int wusbhc_rh_control(struct usb_hcd *usb_hcd, u16 reqntype, u16 wValue,
+		      u16 wIndex, char *buf, u16 wLength)
+{
+	int result = -ENOSYS;
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+
+	switch (reqntype) {
+	case GetHubDescriptor:
+		result = wusbhc_rh_get_hub_descr(
+			wusbhc, wValue, wIndex,
+			(struct usb_hub_descriptor *) buf, wLength);
+		break;
+	case ClearHubFeature:
+		result = wusbhc_rh_clear_hub_feat(wusbhc, wValue);
+		break;
+	case GetHubStatus:
+		result = wusbhc_rh_get_hub_status(wusbhc, (u32 *)buf, wLength);
+		break;
+
+	case SetPortFeature:
+		result = wusbhc_rh_set_port_feat(wusbhc, wValue, wIndex >> 8,
+						 (wIndex & 0xff) - 1);
+		break;
+	case ClearPortFeature:
+		result = wusbhc_rh_clear_port_feat(wusbhc, wValue, wIndex >> 8,
+						   (wIndex & 0xff) - 1);
+		break;
+	case GetPortStatus:
+		result = wusbhc_rh_get_port_status(wusbhc, wIndex - 1,
+						   (u32 *)buf, wLength);
+		break;
+
+	case SetHubFeature:
+	default:
+		dev_err(wusbhc->dev, "%s (%p [%p], %x, %x, %x, %p, %x) "
+			"UNIMPLEMENTED\n", __func__, usb_hcd, wusbhc, reqntype,
+			wValue, wIndex, buf, wLength);
+		/* dump_stack(); */
+		result = -ENOSYS;
+	}
+	return result;
+}
+EXPORT_SYMBOL_GPL(wusbhc_rh_control);
+
+int wusbhc_rh_suspend(struct usb_hcd *usb_hcd)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	dev_err(wusbhc->dev, "%s (%p [%p]) UNIMPLEMENTED\n", __func__,
+		usb_hcd, wusbhc);
+	/* dump_stack(); */
+	return -ENOSYS;
+}
+EXPORT_SYMBOL_GPL(wusbhc_rh_suspend);
+
+int wusbhc_rh_resume(struct usb_hcd *usb_hcd)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	dev_err(wusbhc->dev, "%s (%p [%p]) UNIMPLEMENTED\n", __func__,
+		usb_hcd, wusbhc);
+	/* dump_stack(); */
+	return -ENOSYS;
+}
+EXPORT_SYMBOL_GPL(wusbhc_rh_resume);
+
+int wusbhc_rh_start_port_reset(struct usb_hcd *usb_hcd, unsigned port_idx)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	dev_err(wusbhc->dev, "%s (%p [%p], port_idx %u) UNIMPLEMENTED\n",
+		__func__, usb_hcd, wusbhc, port_idx);
+	WARN_ON(1);
+	return -ENOSYS;
+}
+EXPORT_SYMBOL_GPL(wusbhc_rh_start_port_reset);
+
+static void wusb_port_init(struct wusb_port *port)
+{
+	port->status |= USB_PORT_STAT_HIGH_SPEED;
+}
+
+/*
+ * Alloc fake port specific fields and status.
+ */
+int wusbhc_rh_create(struct wusbhc *wusbhc)
+{
+	int result = -ENOMEM;
+	size_t port_size, itr;
+	port_size = wusbhc->ports_max * sizeof(wusbhc->port[0]);
+	wusbhc->port = kzalloc(port_size, GFP_KERNEL);
+	if (wusbhc->port == NULL)
+		goto error_port_alloc;
+	for (itr = 0; itr < wusbhc->ports_max; itr++)
+		wusb_port_init(&wusbhc->port[itr]);
+	result = 0;
+error_port_alloc:
+	return result;
+}
+
+void wusbhc_rh_destroy(struct wusbhc *wusbhc)
+{
+	kfree(wusbhc->port);
+}
diff --git a/drivers/usb/wusbcore/wusbhc.c b/drivers/usb/wusbcore/wusbhc.c
new file mode 100644
index 00000000000..1149b1e59c8
--- /dev/null
+++ b/drivers/usb/wusbcore/wusbhc.c
@@ -0,0 +1,416 @@
+/*
+ * Wireless USB Host Controller
+ * sysfs glue, wusbcore module support and life cycle management
+ *
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Creation/destruction of wusbhc is split in two parts; that that
+ * doesn't require the HCD to be added (wusbhc_{create,destroy}) and
+ * the one that requires (phase B, wusbhc_b_{create,destroy}).
+ *
+ * This is so because usb_add_hcd() will start the HC, and thus, all
+ * the HC specific stuff has to be already initialiazed (like sysfs
+ * thingies).
+ */
+#include <linux/device.h>
+#include <linux/module.h>
+#include "wusbhc.h"
+
+/**
+ * Extract the wusbhc that corresponds to a USB Host Controller class device
+ *
+ * WARNING! Apply only if @dev is that of a
+ *          wusbhc.usb_hcd.self->class_dev; otherwise, you loose.
+ */
+static struct wusbhc *usbhc_dev_to_wusbhc(struct device *dev)
+{
+	struct usb_bus *usb_bus = dev_get_drvdata(dev);
+	struct usb_hcd *usb_hcd = bus_to_hcd(usb_bus);
+	return usb_hcd_to_wusbhc(usb_hcd);
+}
+
+/*
+ * Show & store the current WUSB trust timeout
+ *
+ * We don't do locking--it is an 'atomic' value.
+ *
+ * The units that we store/show are always MILLISECONDS. However, the
+ * value of trust_timeout is jiffies.
+ */
+static ssize_t wusb_trust_timeout_show(struct device *dev,
+				       struct device_attribute *attr, char *buf)
+{
+	struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
+
+	return scnprintf(buf, PAGE_SIZE, "%u\n", wusbhc->trust_timeout);
+}
+
+static ssize_t wusb_trust_timeout_store(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t size)
+{
+	struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
+	ssize_t result = -ENOSYS;
+	unsigned trust_timeout;
+
+	result = sscanf(buf, "%u", &trust_timeout);
+	if (result != 1) {
+		result = -EINVAL;
+		goto out;
+	}
+	/* FIXME: maybe we should check for range validity? */
+	wusbhc->trust_timeout = trust_timeout;
+	cancel_delayed_work(&wusbhc->keep_alive_timer);
+	flush_workqueue(wusbd);
+	queue_delayed_work(wusbd, &wusbhc->keep_alive_timer,
+			   (trust_timeout * CONFIG_HZ)/1000/2);
+out:
+	return result < 0 ? result : size;
+}
+static DEVICE_ATTR(wusb_trust_timeout, 0644, wusb_trust_timeout_show,
+					     wusb_trust_timeout_store);
+
+/*
+ * Show & store the current WUSB CHID
+ */
+static ssize_t wusb_chid_show(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
+	ssize_t result = 0;
+
+	if (wusbhc->wuie_host_info != NULL)
+		result += ckhdid_printf(buf, PAGE_SIZE,
+					&wusbhc->wuie_host_info->CHID);
+	return result;
+}
+
+/*
+ * Store a new CHID
+ *
+ * This will (FIXME) trigger many changes.
+ *
+ * - Send an all zeros CHID and it will stop the controller
+ * - Send a non-zero CHID and it will start it
+ *   (unless it was started, it will just change the CHID,
+ *   diconnecting all devices first).
+ *
+ * So first we scan the MMC we are sent and then we act on it.  We
+ * read it in the same format as we print it, an ASCII string of 16
+ * hex bytes.
+ *
+ * See wusbhc_chid_set() for more info.
+ */
+static ssize_t wusb_chid_store(struct device *dev,
+			       struct device_attribute *attr,
+			       const char *buf, size_t size)
+{
+	struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
+	struct wusb_ckhdid chid;
+	ssize_t result;
+
+	result = sscanf(buf,
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx\n",
+			&chid.data[0] , &chid.data[1] ,
+			&chid.data[2] , &chid.data[3] ,
+			&chid.data[4] , &chid.data[5] ,
+			&chid.data[6] , &chid.data[7] ,
+			&chid.data[8] , &chid.data[9] ,
+			&chid.data[10], &chid.data[11],
+			&chid.data[12], &chid.data[13],
+			&chid.data[14], &chid.data[15]);
+	if (result != 16) {
+		dev_err(dev, "Unrecognized CHID (need 16 8-bit hex digits): "
+			"%d\n", (int)result);
+		return -EINVAL;
+	}
+	result = wusbhc_chid_set(wusbhc, &chid);
+	return result < 0 ? result : size;
+}
+static DEVICE_ATTR(wusb_chid, 0644, wusb_chid_show, wusb_chid_store);
+
+/* Group all the WUSBHC attributes */
+static struct attribute *wusbhc_attrs[] = {
+		&dev_attr_wusb_trust_timeout.attr,
+		&dev_attr_wusb_chid.attr,
+		NULL,
+};
+
+static struct attribute_group wusbhc_attr_group = {
+	.name = NULL,	/* we want them in the same directory */
+	.attrs = wusbhc_attrs,
+};
+
+/*
+ * Create a wusbhc instance
+ *
+ * NOTEs:
+ *
+ *  - assumes *wusbhc has been zeroed and wusbhc->usb_hcd has been
+ *    initialized but not added.
+ *
+ *  - fill out ports_max, mmcies_max and mmcie_{add,rm} before calling.
+ *
+ *  - fill out wusbhc->uwb_rc and refcount it before calling
+ *  - fill out the wusbhc->sec_modes array
+ */
+int wusbhc_create(struct wusbhc *wusbhc)
+{
+	int result = 0;
+
+	wusbhc->trust_timeout = WUSB_TRUST_TIMEOUT_MS;
+	mutex_init(&wusbhc->mutex);
+	result = wusbhc_mmcie_create(wusbhc);
+	if (result < 0)
+		goto error_mmcie_create;
+	result = wusbhc_devconnect_create(wusbhc);
+	if (result < 0)
+		goto error_devconnect_create;
+	result = wusbhc_rh_create(wusbhc);
+	if (result < 0)
+		goto error_rh_create;
+	result = wusbhc_sec_create(wusbhc);
+	if (result < 0)
+		goto error_sec_create;
+	result = wusbhc_pal_register(wusbhc);
+	if (result < 0)
+		goto error_pal_register;
+	return 0;
+
+error_pal_register:
+	wusbhc_sec_destroy(wusbhc);
+error_sec_create:
+	wusbhc_rh_destroy(wusbhc);
+error_rh_create:
+	wusbhc_devconnect_destroy(wusbhc);
+error_devconnect_create:
+	wusbhc_mmcie_destroy(wusbhc);
+error_mmcie_create:
+	return result;
+}
+EXPORT_SYMBOL_GPL(wusbhc_create);
+
+static inline struct kobject *wusbhc_kobj(struct wusbhc *wusbhc)
+{
+	return &wusbhc->usb_hcd.self.controller->kobj;
+}
+
+/*
+ * Phase B of a wusbhc instance creation
+ *
+ * Creates fields that depend on wusbhc->usb_hcd having been
+ * added. This is where we create the sysfs files in
+ * /sys/class/usb_host/usb_hostX/.
+ *
+ * NOTE: Assumes wusbhc->usb_hcd has been already added by the upper
+ *       layer (hwahc or whci)
+ */
+int wusbhc_b_create(struct wusbhc *wusbhc)
+{
+	int result = 0;
+	struct device *dev = wusbhc->usb_hcd.self.controller;
+
+	result = sysfs_create_group(wusbhc_kobj(wusbhc), &wusbhc_attr_group);
+	if (result < 0) {
+		dev_err(dev, "Cannot register WUSBHC attributes: %d\n", result);
+		goto error_create_attr_group;
+	}
+	/* Yep, I plan to add stuff here... */
+error_create_attr_group:
+	return result;
+}
+EXPORT_SYMBOL_GPL(wusbhc_b_create);
+
+void wusbhc_b_destroy(struct wusbhc *wusbhc)
+{
+	sysfs_remove_group(wusbhc_kobj(wusbhc), &wusbhc_attr_group);
+}
+EXPORT_SYMBOL_GPL(wusbhc_b_destroy);
+
+void wusbhc_destroy(struct wusbhc *wusbhc)
+{
+	wusbhc_pal_unregister(wusbhc);
+	wusbhc_sec_destroy(wusbhc);
+	wusbhc_rh_destroy(wusbhc);
+	wusbhc_devconnect_destroy(wusbhc);
+	wusbhc_mmcie_destroy(wusbhc);
+}
+EXPORT_SYMBOL_GPL(wusbhc_destroy);
+
+struct workqueue_struct *wusbd;
+EXPORT_SYMBOL_GPL(wusbd);
+
+/*
+ * WUSB Cluster ID allocation map
+ *
+ * Each WUSB bus in a channel is identified with a Cluster Id in the
+ * unauth address pace (WUSB1.0[4.3]). We take the range 0xe0 to 0xff
+ * (that's space for 31 WUSB controllers, as 0xff can't be taken). We
+ * start taking from 0xff, 0xfe, 0xfd... (hence the += or -= 0xff).
+ *
+ * For each one we taken, we pin it in the bitap
+ */
+#define CLUSTER_IDS 32
+static DECLARE_BITMAP(wusb_cluster_id_table, CLUSTER_IDS);
+static DEFINE_SPINLOCK(wusb_cluster_ids_lock);
+
+/*
+ * Get a WUSB Cluster ID
+ *
+ * Need to release with wusb_cluster_id_put() when done w/ it.
+ */
+/* FIXME: coordinate with the choose_addres() from the USB stack */
+/* we want to leave the top of the 128 range for cluster addresses and
+ * the bottom for device addresses (as we map them one on one with
+ * ports). */
+u8 wusb_cluster_id_get(void)
+{
+	u8 id;
+	spin_lock(&wusb_cluster_ids_lock);
+	id = find_first_zero_bit(wusb_cluster_id_table, CLUSTER_IDS);
+	if (id > CLUSTER_IDS) {
+		id = 0;
+		goto out;
+	}
+	set_bit(id, wusb_cluster_id_table);
+	id = (u8) 0xff - id;
+out:
+	spin_unlock(&wusb_cluster_ids_lock);
+	return id;
+
+}
+EXPORT_SYMBOL_GPL(wusb_cluster_id_get);
+
+/*
+ * Release a WUSB Cluster ID
+ *
+ * Obtained it with wusb_cluster_id_get()
+ */
+void wusb_cluster_id_put(u8 id)
+{
+	id = 0xff - id;
+	BUG_ON(id >= CLUSTER_IDS);
+	spin_lock(&wusb_cluster_ids_lock);
+	WARN_ON(!test_bit(id, wusb_cluster_id_table));
+	clear_bit(id, wusb_cluster_id_table);
+	spin_unlock(&wusb_cluster_ids_lock);
+}
+EXPORT_SYMBOL_GPL(wusb_cluster_id_put);
+
+/**
+ * wusbhc_giveback_urb - return an URB to the USB core
+ * @wusbhc: the host controller the URB is from.
+ * @urb:    the URB.
+ * @status: the URB's status.
+ *
+ * Return an URB to the USB core doing some additional WUSB specific
+ * processing.
+ *
+ *  - After a successful transfer, update the trust timeout timestamp
+ *    for the WUSB device.
+ *
+ *  - [WUSB] sections 4.13 and 7.5.1 specifies the stop retrasmittion
+ *    condition for the WCONNECTACK_IE is that the host has observed
+ *    the associated device responding to a control transfer.
+ */
+void wusbhc_giveback_urb(struct wusbhc *wusbhc, struct urb *urb, int status)
+{
+	struct wusb_dev *wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, urb->dev);
+
+	if (status == 0) {
+		wusb_dev->entry_ts = jiffies;
+
+		/* wusbhc_devconnect_acked() can't be called from from
+		   atomic context so defer it to a work queue. */
+		if (!list_empty(&wusb_dev->cack_node))
+			queue_work(wusbd, &wusb_dev->devconnect_acked_work);
+	}
+
+	usb_hcd_giveback_urb(&wusbhc->usb_hcd, urb, status);
+}
+EXPORT_SYMBOL_GPL(wusbhc_giveback_urb);
+
+/**
+ * wusbhc_reset_all - reset the HC hardware
+ * @wusbhc: the host controller to reset.
+ *
+ * Request a full hardware reset of the chip.  This will also reset
+ * the radio controller and any other PALs.
+ */
+void wusbhc_reset_all(struct wusbhc *wusbhc)
+{
+	uwb_rc_reset_all(wusbhc->uwb_rc);
+}
+EXPORT_SYMBOL_GPL(wusbhc_reset_all);
+
+static struct notifier_block wusb_usb_notifier = {
+	.notifier_call = wusb_usb_ncb,
+	.priority = INT_MAX	/* Need to be called first of all */
+};
+
+static int __init wusbcore_init(void)
+{
+	int result;
+	result = wusb_crypto_init();
+	if (result < 0)
+		goto error_crypto_init;
+	/* WQ is singlethread because we need to serialize notifications */
+	wusbd = create_singlethread_workqueue("wusbd");
+	if (wusbd == NULL) {
+		result = -ENOMEM;
+		printk(KERN_ERR "WUSB-core: Cannot create wusbd workqueue\n");
+		goto error_wusbd_create;
+	}
+	usb_register_notify(&wusb_usb_notifier);
+	bitmap_zero(wusb_cluster_id_table, CLUSTER_IDS);
+	set_bit(0, wusb_cluster_id_table);	/* reserve Cluster ID 0xff */
+	return 0;
+
+error_wusbd_create:
+	wusb_crypto_exit();
+error_crypto_init:
+	return result;
+
+}
+module_init(wusbcore_init);
+
+static void __exit wusbcore_exit(void)
+{
+	clear_bit(0, wusb_cluster_id_table);
+	if (!bitmap_empty(wusb_cluster_id_table, CLUSTER_IDS)) {
+		char buf[256];
+		bitmap_scnprintf(buf, sizeof(buf), wusb_cluster_id_table,
+				 CLUSTER_IDS);
+		printk(KERN_ERR "BUG: WUSB Cluster IDs not released "
+		       "on exit: %s\n", buf);
+		WARN_ON(1);
+	}
+	usb_unregister_notify(&wusb_usb_notifier);
+	destroy_workqueue(wusbd);
+	wusb_crypto_exit();
+}
+module_exit(wusbcore_exit);
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Wireless USB core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/wusbcore/wusbhc.h b/drivers/usb/wusbcore/wusbhc.h
new file mode 100644
index 00000000000..d0c132434f1
--- /dev/null
+++ b/drivers/usb/wusbcore/wusbhc.h
@@ -0,0 +1,495 @@
+/*
+ * Wireless USB Host Controller
+ * Common infrastructure for WHCI and HWA WUSB-HC drivers
+ *
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * This driver implements parts common to all Wireless USB Host
+ * Controllers (struct wusbhc, embedding a struct usb_hcd) and is used
+ * by:
+ *
+ *   - hwahc: HWA, USB-dongle that implements a Wireless USB host
+ *     controller, (Wireless USB 1.0 Host-Wire-Adapter specification).
+ *
+ *   - whci: WHCI, a PCI card with a wireless host controller
+ *     (Wireless Host Controller Interface 1.0 specification).
+ *
+ * Check out the Design-overview.txt file in the source documentation
+ * for other details on the implementation.
+ *
+ * Main blocks:
+ *
+ *  rh         Root Hub emulation (part of the HCD glue)
+ *
+ *  devconnect Handle all the issues related to device connection,
+ *             authentication, disconnection, timeout, reseting,
+ *             keepalives, etc.
+ *
+ *  mmc        MMC IE broadcasting handling
+ *
+ * A host controller driver just initializes its stuff and as part of
+ * that, creates a 'struct wusbhc' instance that handles all the
+ * common WUSB mechanisms. Links in the function ops that are specific
+ * to it and then registers the host controller. Ready to run.
+ */
+
+#ifndef __WUSBHC_H__
+#define __WUSBHC_H__
+
+#include <linux/usb.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/kref.h>
+#include <linux/workqueue.h>
+/* FIXME: Yes, I know: BAD--it's not my fault the USB HC iface is not
+ *        public */
+#include <linux/../../drivers/usb/core/hcd.h>
+#include <linux/uwb.h>
+#include <linux/usb/wusb.h>
+
+
+/**
+ * Wireless USB device
+ *
+ * Describe a WUSB device connected to the cluster. This struct
+ * belongs to the 'struct wusb_port' it is attached to and it is
+ * responsible for putting and clearing the pointer to it.
+ *
+ * Note this "complements" the 'struct usb_device' that the usb_hcd
+ * keeps for each connected USB device. However, it extends some
+ * information that is not available (there is no hcpriv ptr in it!)
+ * *and* most importantly, it's life cycle is different. It is created
+ * as soon as we get a DN_Connect (connect request notification) from
+ * the device through the WUSB host controller; the USB stack doesn't
+ * create the device until we authenticate it. FIXME: this will
+ * change.
+ *
+ * @bos:    This is allocated when the BOS descriptors are read from
+ *          the device and freed upon the wusb_dev struct dying.
+ * @wusb_cap_descr: points into @bos, and has been verified to be size
+ *                  safe.
+ */
+struct wusb_dev {
+	struct kref refcnt;
+	struct wusbhc *wusbhc;
+	struct list_head cack_node;	/* Connect-Ack list */
+	u8 port_idx;
+	u8 addr;
+	u8 beacon_type:4;
+	struct usb_encryption_descriptor ccm1_etd;
+	struct wusb_ckhdid cdid;
+	unsigned long entry_ts;
+	struct usb_bos_descriptor *bos;
+	struct usb_wireless_cap_descriptor *wusb_cap_descr;
+	struct uwb_mas_bm availability;
+	struct work_struct devconnect_acked_work;
+	struct urb *set_gtk_urb;
+	struct usb_ctrlrequest *set_gtk_req;
+	struct usb_device *usb_dev;
+};
+
+#define WUSB_DEV_ADDR_UNAUTH 0x80
+
+static inline void wusb_dev_init(struct wusb_dev *wusb_dev)
+{
+	kref_init(&wusb_dev->refcnt);
+	/* no need to init the cack_node */
+}
+
+extern void wusb_dev_destroy(struct kref *_wusb_dev);
+
+static inline struct wusb_dev *wusb_dev_get(struct wusb_dev *wusb_dev)
+{
+	kref_get(&wusb_dev->refcnt);
+	return wusb_dev;
+}
+
+static inline void wusb_dev_put(struct wusb_dev *wusb_dev)
+{
+	kref_put(&wusb_dev->refcnt, wusb_dev_destroy);
+}
+
+/**
+ * Wireless USB Host Controlller root hub "fake" ports
+ * (state and device information)
+ *
+ * Wireless USB is wireless, so there are no ports; but we
+ * fake'em. Each RC can connect a max of devices at the same time
+ * (given in the Wireless Adapter descriptor, bNumPorts or WHCI's
+ * caps), referred to in wusbhc->ports_max.
+ *
+ * See rh.c for more information.
+ *
+ * The @status and @change use the same bits as in USB2.0[11.24.2.7],
+ * so we don't have to do much when getting the port's status.
+ *
+ * WUSB1.0[7.1], USB2.0[11.24.2.7.1,fig 11-10],
+ * include/linux/usb_ch9.h (#define USB_PORT_STAT_*)
+ */
+struct wusb_port {
+	u16 status;
+	u16 change;
+	struct wusb_dev *wusb_dev;	/* connected device's info */
+	unsigned reset_count;
+	u32 ptk_tkid;
+};
+
+/**
+ * WUSB Host Controller specifics
+ *
+ * All fields that are common to all Wireless USB controller types
+ * (HWA and WHCI) are grouped here. Host Controller
+ * functions/operations that only deal with general Wireless USB HC
+ * issues use this data type to refer to the host.
+ *
+ * @usb_hcd 	   Instantiation of a USB host controller
+ *                 (initialized by upper layer [HWA=HC or WHCI].
+ *
+ * @dev		   Device that implements this; initialized by the
+ *                 upper layer (HWA-HC, WHCI...); this device should
+ *                 have a refcount.
+ *
+ * @trust_timeout  After this time without hearing for device
+ *                 activity, we consider the device gone and we have to
+ *                 re-authenticate.
+ *
+ *                 Can be accessed w/o locking--however, read to a
+ *                 local variable then use.
+ *
+ * @chid           WUSB Cluster Host ID: this is supposed to be a
+ *                 unique value that doesn't change across reboots (so
+ *                 that your devices do not require re-association).
+ *
+ *                 Read/Write protected by @mutex
+ *
+ * @dev_info       This array has ports_max elements. It is used to
+ *                 give the HC information about the WUSB devices (see
+ *                 'struct wusb_dev_info').
+ *
+ *	           For HWA we need to allocate it in heap; for WHCI it
+ *                 needs to be permanently mapped, so we keep it for
+ *                 both and make it easy. Call wusbhc->dev_info_set()
+ *                 to update an entry.
+ *
+ * @ports_max	   Number of simultaneous device connections (fake
+ *                 ports) this HC will take. Read-only.
+ *
+ * @port      	   Array of port status for each fake root port. Guaranteed to
+ *                 always be the same lenght during device existence
+ *                 [this allows for some unlocked but referenced reading].
+ *
+ * @mmcies_max	   Max number of Information Elements this HC can send
+ *                 in its MMC. Read-only.
+ *
+ * @mmcie_add	   HC specific operation (WHCI or HWA) for adding an
+ *                 MMCIE.
+ *
+ * @mmcie_rm	   HC specific operation (WHCI or HWA) for removing an
+ *                 MMCIE.
+ *
+ * @enc_types	   Array which describes the encryptions methods
+ *                 supported by the host as described in WUSB1.0 --
+ *                 one entry per supported method. As of WUSB1.0 there
+ *                 is only four methods, we make space for eight just in
+ *                 case they decide to add some more (and pray they do
+ *                 it in sequential order). if 'enc_types[enc_method]
+ *                 != 0', then it is supported by the host. enc_method
+ *                 is USB_ENC_TYPE*.
+ *
+ * @set_ptk:       Set the PTK and enable encryption for a device. Or, if
+ *                 the supplied key is NULL, disable encryption for that
+ *                 device.
+ *
+ * @set_gtk:       Set the GTK to be used for all future broadcast packets
+ *                 (i.e., MMCs).  With some hardware, setting the GTK may start
+ *                 MMC transmission.
+ *
+ * NOTE:
+ *
+ *  - If wusb_dev->usb_dev is not NULL, then usb_dev is valid
+ *    (wusb_dev has a refcount on it). Likewise, if usb_dev->wusb_dev
+ *    is not NULL, usb_dev->wusb_dev is valid (usb_dev keeps a
+ *    refcount on it).
+ *
+ *    Most of the times when you need to use it, it will be non-NULL,
+ *    so there is no real need to check for it (wusb_dev will
+ *    dissapear before usb_dev).
+ *
+ *  - The following fields need to be filled out before calling
+ *    wusbhc_create(): ports_max, mmcies_max, mmcie_{add,rm}.
+ *
+ *  - there is no wusbhc_init() method, we do everything in
+ *    wusbhc_create().
+ *
+ *  - Creation is done in two phases, wusbhc_create() and
+ *    wusbhc_create_b(); b are the parts that need to be called after
+ *    calling usb_hcd_add(&wusbhc->usb_hcd).
+ */
+struct wusbhc {
+	struct usb_hcd usb_hcd;		/* HAS TO BE 1st */
+	struct device *dev;
+	struct uwb_rc *uwb_rc;
+	struct uwb_pal pal;
+
+	unsigned trust_timeout;			/* in jiffies */
+	struct wuie_host_info *wuie_host_info;	/* Includes CHID */
+
+	struct mutex mutex;			/* locks everything else */
+	u16 cluster_id;				/* Wireless USB Cluster ID */
+	struct wusb_port *port;			/* Fake port status handling */
+	struct wusb_dev_info *dev_info;		/* for Set Device Info mgmt */
+	u8 ports_max;
+	unsigned active:1;			/* currently xmit'ing MMCs */
+	struct wuie_keep_alive keep_alive_ie;	/* protected by mutex */
+	struct delayed_work keep_alive_timer;
+	struct list_head cack_list;		/* Connect acknowledging */
+	size_t cack_count;			/* protected by 'mutex' */
+	struct wuie_connect_ack cack_ie;
+	struct uwb_rsv *rsv;		/* cluster bandwidth reservation */
+
+	struct mutex mmcie_mutex;		/* MMC WUIE handling */
+	struct wuie_hdr **mmcie;		/* WUIE array */
+	u8 mmcies_max;
+	/* FIXME: make wusbhc_ops? */
+	int (*start)(struct wusbhc *wusbhc);
+	void (*stop)(struct wusbhc *wusbhc);
+	int (*mmcie_add)(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
+			 u8 handle, struct wuie_hdr *wuie);
+	int (*mmcie_rm)(struct wusbhc *wusbhc, u8 handle);
+	int (*dev_info_set)(struct wusbhc *, struct wusb_dev *wusb_dev);
+	int (*bwa_set)(struct wusbhc *wusbhc, s8 stream_index,
+		       const struct uwb_mas_bm *);
+	int (*set_ptk)(struct wusbhc *wusbhc, u8 port_idx,
+		       u32 tkid, const void *key, size_t key_size);
+	int (*set_gtk)(struct wusbhc *wusbhc,
+		       u32 tkid, const void *key, size_t key_size);
+	int (*set_num_dnts)(struct wusbhc *wusbhc, u8 interval, u8 slots);
+
+	struct {
+		struct usb_key_descriptor descr;
+		u8 data[16];				/* GTK key data */
+	} __attribute__((packed)) gtk;
+	u8 gtk_index;
+	u32 gtk_tkid;
+	struct work_struct gtk_rekey_done_work;
+	int pending_set_gtks;
+
+	struct usb_encryption_descriptor *ccm1_etd;
+};
+
+#define usb_hcd_to_wusbhc(u) container_of((u), struct wusbhc, usb_hcd)
+
+
+extern int wusbhc_create(struct wusbhc *);
+extern int wusbhc_b_create(struct wusbhc *);
+extern void wusbhc_b_destroy(struct wusbhc *);
+extern void wusbhc_destroy(struct wusbhc *);
+extern int wusb_dev_sysfs_add(struct wusbhc *, struct usb_device *,
+			      struct wusb_dev *);
+extern void wusb_dev_sysfs_rm(struct wusb_dev *);
+extern int wusbhc_sec_create(struct wusbhc *);
+extern int wusbhc_sec_start(struct wusbhc *);
+extern void wusbhc_sec_stop(struct wusbhc *);
+extern void wusbhc_sec_destroy(struct wusbhc *);
+extern void wusbhc_giveback_urb(struct wusbhc *wusbhc, struct urb *urb,
+				int status);
+void wusbhc_reset_all(struct wusbhc *wusbhc);
+
+int wusbhc_pal_register(struct wusbhc *wusbhc);
+void wusbhc_pal_unregister(struct wusbhc *wusbhc);
+
+/*
+ * Return @usb_dev's @usb_hcd (properly referenced) or NULL if gone
+ *
+ * @usb_dev: USB device, UNLOCKED and referenced (or otherwise, safe ptr)
+ *
+ * This is a safe assumption as @usb_dev->bus is referenced all the
+ * time during the @usb_dev life cycle.
+ */
+static inline struct usb_hcd *usb_hcd_get_by_usb_dev(struct usb_device *usb_dev)
+{
+	struct usb_hcd *usb_hcd;
+	usb_hcd = container_of(usb_dev->bus, struct usb_hcd, self);
+	return usb_get_hcd(usb_hcd);
+}
+
+/*
+ * Increment the reference count on a wusbhc.
+ *
+ * @wusbhc's life cycle is identical to that of the underlying usb_hcd.
+ */
+static inline struct wusbhc *wusbhc_get(struct wusbhc *wusbhc)
+{
+	return usb_get_hcd(&wusbhc->usb_hcd) ? wusbhc : NULL;
+}
+
+/*
+ * Return the wusbhc associated to a @usb_dev
+ *
+ * @usb_dev: USB device, UNLOCKED and referenced (or otherwise, safe ptr)
+ *
+ * @returns: wusbhc for @usb_dev; NULL if the @usb_dev is being torn down.
+ *           WARNING: referenced at the usb_hcd level, unlocked
+ *
+ * FIXME: move offline
+ */
+static inline struct wusbhc *wusbhc_get_by_usb_dev(struct usb_device *usb_dev)
+{
+	struct wusbhc *wusbhc = NULL;
+	struct usb_hcd *usb_hcd;
+	if (usb_dev->devnum > 1 && !usb_dev->wusb) {
+		/* but root hubs */
+		dev_err(&usb_dev->dev, "devnum %d wusb %d\n", usb_dev->devnum,
+			usb_dev->wusb);
+		BUG_ON(usb_dev->devnum > 1 && !usb_dev->wusb);
+	}
+	usb_hcd = usb_hcd_get_by_usb_dev(usb_dev);
+	if (usb_hcd == NULL)
+		return NULL;
+	BUG_ON(usb_hcd->wireless == 0);
+	return wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+}
+
+
+static inline void wusbhc_put(struct wusbhc *wusbhc)
+{
+	usb_put_hcd(&wusbhc->usb_hcd);
+}
+
+int wusbhc_start(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid);
+void wusbhc_stop(struct wusbhc *wusbhc);
+extern int wusbhc_chid_set(struct wusbhc *, const struct wusb_ckhdid *);
+
+/* Device connect handling */
+extern int wusbhc_devconnect_create(struct wusbhc *);
+extern void wusbhc_devconnect_destroy(struct wusbhc *);
+extern int wusbhc_devconnect_start(struct wusbhc *wusbhc,
+				   const struct wusb_ckhdid *chid);
+extern void wusbhc_devconnect_stop(struct wusbhc *wusbhc);
+extern int wusbhc_devconnect_auth(struct wusbhc *, u8);
+extern void wusbhc_handle_dn(struct wusbhc *, u8 srcaddr,
+			     struct wusb_dn_hdr *dn_hdr, size_t size);
+extern int wusbhc_dev_reset(struct wusbhc *wusbhc, u8 port);
+extern void __wusbhc_dev_disable(struct wusbhc *wusbhc, u8 port);
+extern int wusb_usb_ncb(struct notifier_block *nb, unsigned long val,
+			void *priv);
+extern int wusb_set_dev_addr(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
+			     u8 addr);
+
+/* Wireless USB fake Root Hub methods */
+extern int wusbhc_rh_create(struct wusbhc *);
+extern void wusbhc_rh_destroy(struct wusbhc *);
+
+extern int wusbhc_rh_status_data(struct usb_hcd *, char *);
+extern int wusbhc_rh_control(struct usb_hcd *, u16, u16, u16, char *, u16);
+extern int wusbhc_rh_suspend(struct usb_hcd *);
+extern int wusbhc_rh_resume(struct usb_hcd *);
+extern int wusbhc_rh_start_port_reset(struct usb_hcd *, unsigned);
+
+/* MMC handling */
+extern int wusbhc_mmcie_create(struct wusbhc *);
+extern void wusbhc_mmcie_destroy(struct wusbhc *);
+extern int wusbhc_mmcie_set(struct wusbhc *, u8 interval, u8 repeat_cnt,
+			    struct wuie_hdr *);
+extern void wusbhc_mmcie_rm(struct wusbhc *, struct wuie_hdr *);
+
+/* Bandwidth reservation */
+int wusbhc_rsv_establish(struct wusbhc *wusbhc);
+void wusbhc_rsv_terminate(struct wusbhc *wusbhc);
+
+/*
+ * I've always said
+ * I wanted a wedding in a church...
+ *
+ * but lately I've been thinking about
+ * the Botanical Gardens.
+ *
+ * We could do it by the tulips.
+ * It'll be beautiful
+ *
+ * --Security!
+ */
+extern int wusb_dev_sec_add(struct wusbhc *, struct usb_device *,
+				struct wusb_dev *);
+extern void wusb_dev_sec_rm(struct wusb_dev *) ;
+extern int wusb_dev_4way_handshake(struct wusbhc *, struct wusb_dev *,
+				   struct wusb_ckhdid *ck);
+void wusbhc_gtk_rekey(struct wusbhc *wusbhc);
+
+
+/* WUSB Cluster ID handling */
+extern u8 wusb_cluster_id_get(void);
+extern void wusb_cluster_id_put(u8);
+
+/*
+ * wusb_port_by_idx - return the port associated to a zero-based port index
+ *
+ * NOTE: valid without locking as long as wusbhc is referenced (as the
+ *       number of ports doesn't change). The data pointed to has to
+ *       be verified though :)
+ */
+static inline struct wusb_port *wusb_port_by_idx(struct wusbhc *wusbhc,
+						 u8 port_idx)
+{
+	return &wusbhc->port[port_idx];
+}
+
+/*
+ * wusb_port_no_to_idx - Convert port number (per usb_dev->portnum) to
+ * a port_idx.
+ *
+ * USB stack USB ports are 1 based!!
+ *
+ * NOTE: only valid for WUSB devices!!!
+ */
+static inline u8 wusb_port_no_to_idx(u8 port_no)
+{
+	return port_no - 1;
+}
+
+extern struct wusb_dev *__wusb_dev_get_by_usb_dev(struct wusbhc *,
+						  struct usb_device *);
+
+/*
+ * Return a referenced wusb_dev given a @usb_dev
+ *
+ * Returns NULL if the usb_dev is being torn down.
+ *
+ * FIXME: move offline
+ */
+static inline
+struct wusb_dev *wusb_dev_get_by_usb_dev(struct usb_device *usb_dev)
+{
+	struct wusbhc *wusbhc;
+	struct wusb_dev *wusb_dev;
+	wusbhc = wusbhc_get_by_usb_dev(usb_dev);
+	if (wusbhc == NULL)
+		return NULL;
+	mutex_lock(&wusbhc->mutex);
+	wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, usb_dev);
+	mutex_unlock(&wusbhc->mutex);
+	wusbhc_put(wusbhc);
+	return wusb_dev;
+}
+
+/* Misc */
+
+extern struct workqueue_struct *wusbd;
+#endif /* #ifndef __WUSBHC_H__ */
-- 
GitLab


From b69fada68b92fa7061d59a3e54b428759a5e5717 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:24 +0100
Subject: [PATCH 0174/2224] wusb: add the Wireless USB core (protocol)

Add the WUSB protocol (MMC management and device connection) code.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/devconnect.c | 1314 +++++++++++++++++++++++++++++
 drivers/usb/wusbcore/mmc.c        |  329 ++++++++
 2 files changed, 1643 insertions(+)
 create mode 100644 drivers/usb/wusbcore/devconnect.c
 create mode 100644 drivers/usb/wusbcore/mmc.c

diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
new file mode 100644
index 00000000000..f05f9b4d775
--- /dev/null
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -0,0 +1,1314 @@
+/*
+ * WUSB Wire Adapter: Control/Data Streaming Interface (WUSB[8])
+ * Device Connect handling
+ *
+ * Copyright (C) 2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ * FIXME: this file needs to be broken up, it's grown too big
+ *
+ *
+ * WUSB1.0[7.1, 7.5.1, ]
+ *
+ * WUSB device connection is kind of messy. Some background:
+ *
+ *     When a device wants to connect it scans the UWB radio channels
+ *     looking for a WUSB Channel; a WUSB channel is defined by MMCs
+ *     (Micro Managed Commands or something like that) [see
+ *     Design-overview for more on this] .
+ *
+ * So, device scans the radio, finds MMCs and thus a host and checks
+ * when the next DNTS is. It sends a Device Notification Connect
+ * (DN_Connect); the host picks it up (through nep.c and notif.c, ends
+ * up in wusb_devconnect_ack(), which creates a wusb_dev structure in
+ * wusbhc->port[port_number].wusb_dev), assigns an unauth address
+ * to the device (this means from 0x80 to 0xfe) and sends, in the MMC
+ * a Connect Ack Information Element (ConnAck IE).
+ *
+ * So now the device now has a WUSB address. From now on, we use
+ * that to talk to it in the RPipes.
+ *
+ * ASSUMPTIONS:
+ *
+ *  - We use the the as device address the port number where it is
+ *    connected (port 0 doesn't exist). For unauth, it is 128 + that.
+ *
+ * ROADMAP:
+ *
+ *   This file contains the logic for doing that--entry points:
+ *
+ *   wusb_devconnect_ack()      Ack a device until _acked() called.
+ *                              Called by notif.c:wusb_handle_dn_connect()
+ *                              when a DN_Connect is received.
+ *
+ *   wusbhc_devconnect_auth()   Called by rh.c:wusbhc_rh_port_reset() when
+ *                              doing the device connect sequence.
+ *
+ *     wusb_devconnect_acked()  Ack done, release resources.
+ *
+ *   wusb_handle_dn_alive()     Called by notif.c:wusb_handle_dn()
+ *                              for processing a DN_Alive pong from a device.
+ *
+ *   wusb_handle_dn_disconnect()Called by notif.c:wusb_handle_dn() to
+ *                              process a disconenct request from a
+ *                              device.
+ *
+ *   wusb_dev_reset()           Called by rh.c:wusbhc_rh_port_reset() when
+ *                              resetting a device.
+ *
+ *   __wusb_dev_disable()       Called by rh.c:wusbhc_rh_clear_port_feat() when
+ *                              disabling a port.
+ *
+ *   wusb_devconnect_create()   Called when creating the host by
+ *                              lc.c:wusbhc_create().
+ *
+ *   wusb_devconnect_destroy()  Cleanup called removing the host. Called
+ *                              by lc.c:wusbhc_destroy().
+ *
+ *   Each Wireless USB host maintains a list of DN_Connect requests
+ *   (actually we maintain a list of pending Connect Acks, the
+ *   wusbhc->ca_list).
+ *
+ * LIFE CYCLE OF port->wusb_dev
+ *
+ *   Before the @wusbhc structure put()s the reference it owns for
+ *   port->wusb_dev [and clean the wusb_dev pointer], it needs to
+ *   lock @wusbhc->mutex.
+ */
+
+#include <linux/jiffies.h>
+#include <linux/ctype.h>
+#include <linux/workqueue.h>
+#include "wusbhc.h"
+
+#undef D_LOCAL
+#define D_LOCAL 1
+#include <linux/uwb/debug.h>
+
+static void wusbhc_devconnect_acked_work(struct work_struct *work);
+
+static void wusb_dev_free(struct wusb_dev *wusb_dev)
+{
+	if (wusb_dev) {
+		kfree(wusb_dev->set_gtk_req);
+		usb_free_urb(wusb_dev->set_gtk_urb);
+		kfree(wusb_dev);
+	}
+}
+
+static struct wusb_dev *wusb_dev_alloc(struct wusbhc *wusbhc)
+{
+	struct wusb_dev *wusb_dev;
+	struct urb *urb;
+	struct usb_ctrlrequest *req;
+
+	wusb_dev = kzalloc(sizeof(*wusb_dev), GFP_KERNEL);
+	if (wusb_dev == NULL)
+		goto err;
+
+	wusb_dev->wusbhc = wusbhc;
+
+	INIT_WORK(&wusb_dev->devconnect_acked_work, wusbhc_devconnect_acked_work);
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (urb == NULL)
+		goto err;
+
+	req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
+	if (req == NULL)
+		goto err;
+
+	req->bRequestType = USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE;
+	req->bRequest = USB_REQ_SET_DESCRIPTOR;
+	req->wValue = cpu_to_le16(USB_DT_KEY << 8 | wusbhc->gtk_index);
+	req->wIndex = 0;
+	req->wLength = cpu_to_le16(wusbhc->gtk.descr.bLength);
+
+	wusb_dev->set_gtk_urb = urb;
+	wusb_dev->set_gtk_req = req;
+
+	return wusb_dev;
+err:
+	wusb_dev_free(wusb_dev);
+	return NULL;
+}
+
+
+/*
+ * Using the Connect-Ack list, fill out the @wusbhc Connect-Ack WUSB IE
+ * properly so that it can be added to the MMC.
+ *
+ * We just get the @wusbhc->ca_list and fill out the first four ones or
+ * less (per-spec WUSB1.0[7.5, before T7-38). If the ConnectAck WUSB
+ * IE is not allocated, we alloc it.
+ *
+ * @wusbhc->mutex must be taken
+ */
+static void wusbhc_fill_cack_ie(struct wusbhc *wusbhc)
+{
+	unsigned cnt;
+	struct wusb_dev *dev_itr;
+	struct wuie_connect_ack *cack_ie;
+
+	cack_ie = &wusbhc->cack_ie;
+	cnt = 0;
+	list_for_each_entry(dev_itr, &wusbhc->cack_list, cack_node) {
+		cack_ie->blk[cnt].CDID = dev_itr->cdid;
+		cack_ie->blk[cnt].bDeviceAddress = dev_itr->addr;
+		if (++cnt >= WUIE_ELT_MAX)
+			break;
+	}
+	cack_ie->hdr.bLength = sizeof(cack_ie->hdr)
+		+ cnt * sizeof(cack_ie->blk[0]);
+}
+
+/*
+ * Register a new device that wants to connect
+ *
+ * A new device wants to connect, so we add it to the Connect-Ack
+ * list. We give it an address in the unauthorized range (bit 8 set);
+ * user space will have to drive authorization further on.
+ *
+ * @dev_addr: address to use for the device (which is also the port
+ *            number).
+ *
+ * @wusbhc->mutex must be taken
+ */
+static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
+					struct wusb_dn_connect *dnc,
+					const char *pr_cdid, u8 port_idx)
+{
+	struct device *dev = wusbhc->dev;
+	struct wusb_dev *wusb_dev;
+	int new_connection = wusb_dn_connect_new_connection(dnc);
+	u8 dev_addr;
+	int result;
+
+	d_fnstart(3, dev, "(wusbhc %p port_idx %d)\n", wusbhc, port_idx);
+	/* Is it registered already? */
+	list_for_each_entry(wusb_dev, &wusbhc->cack_list, cack_node)
+		if (!memcmp(&wusb_dev->cdid, &dnc->CDID,
+			    sizeof(wusb_dev->cdid)))
+			return wusb_dev;
+	/* We don't have it, create an entry, register it */
+	wusb_dev = wusb_dev_alloc(wusbhc);
+	if (wusb_dev == NULL) {
+		if (printk_ratelimit())
+			dev_err(dev, "DN CONNECT: no memory to process %s's %s "
+				"request\n", pr_cdid,
+				new_connection ? "connect" : "reconnect");
+		return NULL;
+	}
+	wusb_dev_init(wusb_dev);
+	wusb_dev->cdid = dnc->CDID;
+	wusb_dev->port_idx = port_idx;
+
+	/*
+	 * Devices are always available within the cluster reservation
+	 * and since the hardware will take the intersection of the
+	 * per-device availability and the cluster reservation, the
+	 * per-device availability can simply be set to always
+	 * available.
+	 */
+	bitmap_fill(wusb_dev->availability.bm, UWB_NUM_MAS);
+
+	/* FIXME: handle reconnects instead of assuming connects are
+	   always new. */
+	if (1 && new_connection == 0)
+		new_connection = 1;
+	if (new_connection) {
+		dev_addr = (port_idx + 2) | WUSB_DEV_ADDR_UNAUTH;
+
+		dev_info(dev, "Connecting new WUSB device to address %u, "
+			"port %u\n", dev_addr, port_idx);
+
+		result = wusb_set_dev_addr(wusbhc, wusb_dev, dev_addr);
+		if (result)
+			return  NULL;
+	}
+	wusb_dev->entry_ts = jiffies;
+	list_add_tail(&wusb_dev->cack_node, &wusbhc->cack_list);
+	wusbhc->cack_count++;
+	wusbhc_fill_cack_ie(wusbhc);
+	d_fnend(3, dev, "(wusbhc %p port_idx %d)\n", wusbhc, port_idx);
+	return wusb_dev;
+}
+
+/*
+ * Remove a Connect-Ack context entry from the HCs view
+ *
+ * @wusbhc->mutex must be taken
+ */
+static void wusbhc_cack_rm(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+{
+	struct device *dev = wusbhc->dev;
+	d_fnstart(3, dev, "(wusbhc %p wusb_dev %p)\n", wusbhc, wusb_dev);
+	list_del_init(&wusb_dev->cack_node);
+	wusbhc->cack_count--;
+	wusbhc_fill_cack_ie(wusbhc);
+	d_fnend(3, dev, "(wusbhc %p wusb_dev %p) = void\n", wusbhc, wusb_dev);
+}
+
+/*
+ * @wusbhc->mutex must be taken */
+static
+void wusbhc_devconnect_acked(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+{
+	struct device *dev = wusbhc->dev;
+	d_fnstart(3, dev, "(wusbhc %p wusb_dev %p)\n", wusbhc, wusb_dev);
+	wusbhc_cack_rm(wusbhc, wusb_dev);
+	if (wusbhc->cack_count)
+		wusbhc_mmcie_set(wusbhc, 0, 0, &wusbhc->cack_ie.hdr);
+	else
+		wusbhc_mmcie_rm(wusbhc, &wusbhc->cack_ie.hdr);
+	d_fnend(3, dev, "(wusbhc %p wusb_dev %p) = void\n", wusbhc, wusb_dev);
+}
+
+static void wusbhc_devconnect_acked_work(struct work_struct *work)
+{
+	struct wusb_dev *wusb_dev = container_of(work, struct wusb_dev,
+						 devconnect_acked_work);
+	struct wusbhc *wusbhc = wusb_dev->wusbhc;
+
+	mutex_lock(&wusbhc->mutex);
+	wusbhc_devconnect_acked(wusbhc, wusb_dev);
+	mutex_unlock(&wusbhc->mutex);
+}
+
+/*
+ * Ack a device for connection
+ *
+ * FIXME: docs
+ *
+ * @pr_cdid:	Printable CDID...hex Use @dnc->cdid for the real deal.
+ *
+ * So we get the connect ack IE (may have been allocated already),
+ * find an empty connect block, an empty virtual port, create an
+ * address with it (see below), make it an unauth addr [bit 7 set] and
+ * set the MMC.
+ *
+ * Addresses: because WUSB hosts have no downstream hubs, we can do a
+ *            1:1 mapping between 'port number' and device
+ *            address. This simplifies many things, as during this
+ *            initial connect phase the USB stack has no knoledge of
+ *            the device and hasn't assigned an address yet--we know
+ *            USB's choose_address() will use the same euristics we
+ *            use here, so we can assume which address will be assigned.
+ *
+ *            USB stack always assigns address 1 to the root hub, so
+ *            to the port number we add 2 (thus virtual port #0 is
+ *            addr #2).
+ *
+ * @wusbhc shall be referenced
+ */
+static
+void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
+			   const char *pr_cdid)
+{
+	int result;
+	struct device *dev = wusbhc->dev;
+	struct wusb_dev *wusb_dev;
+	struct wusb_port *port;
+	unsigned idx, devnum;
+
+	d_fnstart(3, dev, "(%p, %p, %s)\n", wusbhc, dnc, pr_cdid);
+	mutex_lock(&wusbhc->mutex);
+
+	/* Check we are not handling it already */
+	for (idx = 0; idx < wusbhc->ports_max; idx++) {
+		port = wusb_port_by_idx(wusbhc, idx);
+		if (port->wusb_dev
+		    && !memcmp(&dnc->CDID, &port->wusb_dev->cdid,
+			       sizeof(dnc->CDID))) {
+			if (printk_ratelimit())
+				dev_err(dev, "Already handling dev %s "
+					" (it might be slow)\n", pr_cdid);
+			goto error_unlock;
+		}
+	}
+	/* Look up those fake ports we have for a free one */
+	for (idx = 0; idx < wusbhc->ports_max; idx++) {
+		port = wusb_port_by_idx(wusbhc, idx);
+		if ((port->status & USB_PORT_STAT_POWER)
+		    && !(port->status & USB_PORT_STAT_CONNECTION))
+			break;
+	}
+	if (idx >= wusbhc->ports_max) {
+		dev_err(dev, "Host controller can't connect more devices "
+			"(%u already connected); device %s rejected\n",
+			wusbhc->ports_max, pr_cdid);
+		/* NOTE: we could send a WUIE_Disconnect here, but we haven't
+		 *       event acked, so the device will eventually timeout the
+		 *       connection, right? */
+		goto error_unlock;
+	}
+
+	devnum = idx + 2;
+
+	/* Make sure we are using no crypto on that "virtual port" */
+	wusbhc->set_ptk(wusbhc, idx, 0, NULL, 0);
+
+	/* Grab a filled in Connect-Ack context, fill out the
+	 * Connect-Ack Wireless USB IE, set the MMC */
+	wusb_dev = wusbhc_cack_add(wusbhc, dnc, pr_cdid, idx);
+	if (wusb_dev == NULL)
+		goto error_unlock;
+	result = wusbhc_mmcie_set(wusbhc, 0, 0, &wusbhc->cack_ie.hdr);
+	if (result < 0)
+		goto error_unlock;
+	/* Give the device at least 2ms (WUSB1.0[7.5.1p3]), let's do
+	 * three for a good measure */
+	msleep(3);
+	port->wusb_dev = wusb_dev;
+	port->status |= USB_PORT_STAT_CONNECTION;
+	port->change |= USB_PORT_STAT_C_CONNECTION;
+	port->reset_count = 0;
+	/* Now the port status changed to connected; khubd will
+	 * pick the change up and try to reset the port to bring it to
+	 * the enabled state--so this process returns up to the stack
+	 * and it calls back into wusbhc_rh_port_reset() who will call
+	 * devconnect_auth().
+	 */
+error_unlock:
+	mutex_unlock(&wusbhc->mutex);
+	d_fnend(3, dev, "(%p, %p, %s) = void\n", wusbhc, dnc, pr_cdid);
+	return;
+
+}
+
+/*
+ * Disconnect a Wireless USB device from its fake port
+ *
+ * Marks the port as disconnected so that khubd can pick up the change
+ * and drops our knowledge about the device.
+ *
+ * Assumes there is a device connected
+ *
+ * @port_index: zero based port number
+ *
+ * NOTE: @wusbhc->mutex is locked
+ *
+ * WARNING: From here it is not very safe to access anything hanging off
+ *	    wusb_dev
+ */
+static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
+				    struct wusb_port *port)
+{
+	struct device *dev = wusbhc->dev;
+	struct wusb_dev *wusb_dev = port->wusb_dev;
+
+	d_fnstart(3, dev, "(wusbhc %p, port %p)\n", wusbhc, port);
+	port->status &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE
+			  | USB_PORT_STAT_SUSPEND | USB_PORT_STAT_RESET
+			  | USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED);
+	port->change |= USB_PORT_STAT_C_CONNECTION | USB_PORT_STAT_C_ENABLE;
+	if (wusb_dev) {
+		if (!list_empty(&wusb_dev->cack_node))
+			list_del_init(&wusb_dev->cack_node);
+		/* For the one in cack_add() */
+		wusb_dev_put(wusb_dev);
+	}
+	port->wusb_dev = NULL;
+	/* don't reset the reset_count to zero or wusbhc_rh_port_reset will get
+	 * confused! We only reset to zero when we connect a new device.
+	 */
+
+	/* After a device disconnects, change the GTK (see [WUSB]
+	 * section 6.2.11.2). */
+	wusbhc_gtk_rekey(wusbhc);
+
+	d_fnend(3, dev, "(wusbhc %p, port %p) = void\n", wusbhc, port);
+	/* The Wireless USB part has forgotten about the device already; now
+	 * khubd's timer will pick up the disconnection and remove the USB
+	 * device from the system
+	 */
+}
+
+/*
+ * Authenticate a device into the WUSB Cluster
+ *
+ * Called from the Root Hub code (rh.c:wusbhc_rh_port_reset()) when
+ * asking for a reset on a port that is not enabled (ie: first connect
+ * on the port).
+ *
+ * Performs the 4way handshake to allow the device to comunicate w/ the
+ * WUSB Cluster securely; once done, issue a request to the device for
+ * it to change to address 0.
+ *
+ * This mimics the reset step of Wired USB that once resetting a
+ * device, leaves the port in enabled state and the dev with the
+ * default address (0).
+ *
+ * WUSB1.0[7.1.2]
+ *
+ * @port_idx: port where the change happened--This is the index into
+ *            the wusbhc port array, not the USB port number.
+ */
+int wusbhc_devconnect_auth(struct wusbhc *wusbhc, u8 port_idx)
+{
+	struct device *dev = wusbhc->dev;
+	struct wusb_port *port = wusb_port_by_idx(wusbhc, port_idx);
+
+	d_fnstart(3, dev, "(%p, %u)\n", wusbhc, port_idx);
+	port->status &= ~USB_PORT_STAT_RESET;
+	port->status |= USB_PORT_STAT_ENABLE;
+	port->change |= USB_PORT_STAT_C_RESET | USB_PORT_STAT_C_ENABLE;
+	d_fnend(3, dev, "(%p, %u) = 0\n", wusbhc, port_idx);
+	return 0;
+}
+
+/*
+ * Refresh the list of keep alives to emit in the MMC
+ *
+ * Some devices don't respond to keep alives unless they've been
+ * authenticated, so skip unauthenticated devices.
+ *
+ * We only publish the first four devices that have a coming timeout
+ * condition. Then when we are done processing those, we go for the
+ * next ones. We ignore the ones that have timed out already (they'll
+ * be purged).
+ *
+ * This might cause the first devices to timeout the last devices in
+ * the port array...FIXME: come up with a better algorithm?
+ *
+ * Note we can't do much about MMC's ops errors; we hope next refresh
+ * will kind of handle it.
+ *
+ * NOTE: @wusbhc->mutex is locked
+ */
+static void __wusbhc_keep_alive(struct wusbhc *wusbhc)
+{
+	int result;
+	struct device *dev = wusbhc->dev;
+	unsigned cnt;
+	struct wusb_dev *wusb_dev;
+	struct wusb_port *wusb_port;
+	struct wuie_keep_alive *ie = &wusbhc->keep_alive_ie;
+	unsigned keep_alives, old_keep_alives;
+
+	d_fnstart(5, dev, "(wusbhc %p)\n", wusbhc);
+	old_keep_alives = ie->hdr.bLength - sizeof(ie->hdr);
+	keep_alives = 0;
+	for (cnt = 0;
+	     keep_alives <= WUIE_ELT_MAX && cnt < wusbhc->ports_max;
+	     cnt++) {
+		unsigned tt = msecs_to_jiffies(wusbhc->trust_timeout);
+
+		wusb_port = wusb_port_by_idx(wusbhc, cnt);
+		wusb_dev = wusb_port->wusb_dev;
+
+		if (wusb_dev == NULL)
+			continue;
+		if (wusb_dev->usb_dev == NULL || !wusb_dev->usb_dev->authenticated)
+			continue;
+
+		if (time_after(jiffies, wusb_dev->entry_ts + tt)) {
+			dev_err(dev, "KEEPALIVE: device %u timed out\n",
+				wusb_dev->addr);
+			__wusbhc_dev_disconnect(wusbhc, wusb_port);
+		} else if (time_after(jiffies, wusb_dev->entry_ts + tt/2)) {
+			/* Approaching timeout cut out, need to refresh */
+			ie->bDeviceAddress[keep_alives++] = wusb_dev->addr;
+		}
+	}
+	if (keep_alives & 0x1)	/* pad to even number ([WUSB] section 7.5.9) */
+		ie->bDeviceAddress[keep_alives++] = 0x7f;
+	ie->hdr.bLength = sizeof(ie->hdr) +
+		keep_alives*sizeof(ie->bDeviceAddress[0]);
+	if (keep_alives > 0) {
+		result = wusbhc_mmcie_set(wusbhc, 10, 5, &ie->hdr);
+		if (result < 0 && printk_ratelimit())
+			dev_err(dev, "KEEPALIVE: can't set MMC: %d\n", result);
+	} else if (old_keep_alives != 0)
+		wusbhc_mmcie_rm(wusbhc, &ie->hdr);
+	d_fnend(5, dev, "(wusbhc %p) = void\n", wusbhc);
+}
+
+/*
+ * Do a run through all devices checking for timeouts
+ */
+static void wusbhc_keep_alive_run(struct work_struct *ws)
+{
+	struct delayed_work *dw =
+		container_of(ws, struct delayed_work, work);
+	struct wusbhc *wusbhc =
+		container_of(dw, struct wusbhc, keep_alive_timer);
+
+	d_fnstart(5, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
+	if (wusbhc->active) {
+		mutex_lock(&wusbhc->mutex);
+		__wusbhc_keep_alive(wusbhc);
+		mutex_unlock(&wusbhc->mutex);
+		queue_delayed_work(wusbd, &wusbhc->keep_alive_timer,
+				   (wusbhc->trust_timeout * CONFIG_HZ)/1000/2);
+	}
+	d_fnend(5, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
+	return;
+}
+
+/*
+ * Find the wusb_dev from its device address.
+ *
+ * The device can be found directly from the address (see
+ * wusb_cack_add() for where the device address is set to port_idx
+ * +2), except when the address is zero.
+ */
+static struct wusb_dev *wusbhc_find_dev_by_addr(struct wusbhc *wusbhc, u8 addr)
+{
+	int p;
+
+	if (addr == 0xff) /* unconnected */
+		return NULL;
+
+	if (addr > 0) {
+		int port = (addr & ~0x80) - 2;
+		if (port < 0 || port >= wusbhc->ports_max)
+			return NULL;
+		return wusb_port_by_idx(wusbhc, port)->wusb_dev;
+	}
+
+	/* Look for the device with address 0. */
+	for (p = 0; p < wusbhc->ports_max; p++) {
+		struct wusb_dev *wusb_dev = wusb_port_by_idx(wusbhc, p)->wusb_dev;
+		if (wusb_dev && wusb_dev->addr == addr)
+			return wusb_dev;
+	}
+	return NULL;
+}
+
+/*
+ * Handle a DN_Alive notification (WUSB1.0[7.6.1])
+ *
+ * This just updates the device activity timestamp and then refreshes
+ * the keep alive IE.
+ *
+ * @wusbhc shall be referenced and unlocked
+ */
+static void wusbhc_handle_dn_alive(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+{
+	struct device *dev = wusbhc->dev;
+
+	d_printf(2, dev, "DN ALIVE: device 0x%02x pong\n", wusb_dev->addr);
+
+	mutex_lock(&wusbhc->mutex);
+	wusb_dev->entry_ts = jiffies;
+	__wusbhc_keep_alive(wusbhc);
+	mutex_unlock(&wusbhc->mutex);
+}
+
+/*
+ * Handle a DN_Connect notification (WUSB1.0[7.6.1])
+ *
+ * @wusbhc
+ * @pkt_hdr
+ * @size:    Size of the buffer where the notification resides; if the
+ *           notification data suggests there should be more data than
+ *           available, an error will be signaled and the whole buffer
+ *           consumed.
+ *
+ * @wusbhc->mutex shall be held
+ */
+static void wusbhc_handle_dn_connect(struct wusbhc *wusbhc,
+				     struct wusb_dn_hdr *dn_hdr,
+				     size_t size)
+{
+	struct device *dev = wusbhc->dev;
+	struct wusb_dn_connect *dnc;
+	char pr_cdid[WUSB_CKHDID_STRSIZE];
+	static const char *beacon_behaviour[] = {
+		"reserved",
+		"self-beacon",
+		"directed-beacon",
+		"no-beacon"
+	};
+
+	d_fnstart(3, dev, "(%p, %p, %zu)\n", wusbhc, dn_hdr, size);
+	if (size < sizeof(*dnc)) {
+		dev_err(dev, "DN CONNECT: short notification (%zu < %zu)\n",
+			size, sizeof(*dnc));
+		goto out;
+	}
+
+	dnc = container_of(dn_hdr, struct wusb_dn_connect, hdr);
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &dnc->CDID);
+	dev_info(dev, "DN CONNECT: device %s @ %x (%s) wants to %s\n",
+		 pr_cdid,
+		 wusb_dn_connect_prev_dev_addr(dnc),
+		 beacon_behaviour[wusb_dn_connect_beacon_behavior(dnc)],
+		 wusb_dn_connect_new_connection(dnc) ? "connect" : "reconnect");
+	/* ACK the connect */
+	wusbhc_devconnect_ack(wusbhc, dnc, pr_cdid);
+out:
+	d_fnend(3, dev, "(%p, %p, %zu) = void\n",
+		wusbhc, dn_hdr, size);
+	return;
+}
+
+/*
+ * Handle a DN_Disconnect notification (WUSB1.0[7.6.1])
+ *
+ * Device is going down -- do the disconnect.
+ *
+ * @wusbhc shall be referenced and unlocked
+ */
+static void wusbhc_handle_dn_disconnect(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+{
+	struct device *dev = wusbhc->dev;
+
+	dev_info(dev, "DN DISCONNECT: device 0x%02x going down\n", wusb_dev->addr);
+
+	mutex_lock(&wusbhc->mutex);
+	__wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, wusb_dev->port_idx));
+	mutex_unlock(&wusbhc->mutex);
+}
+
+/*
+ * Reset a WUSB device on a HWA
+ *
+ * @wusbhc
+ * @port_idx   Index of the port where the device is
+ *
+ * In Wireless USB, a reset is more or less equivalent to a full
+ * disconnect; so we just do a full disconnect and send the device a
+ * Device Reset IE (WUSB1.0[7.5.11]) giving it a few millisecs (6 MMCs).
+ *
+ * @wusbhc should be refcounted and unlocked
+ */
+int wusbhc_dev_reset(struct wusbhc *wusbhc, u8 port_idx)
+{
+	int result;
+	struct device *dev = wusbhc->dev;
+	struct wusb_dev *wusb_dev;
+	struct wuie_reset *ie;
+
+	d_fnstart(3, dev, "(%p, %u)\n", wusbhc, port_idx);
+	mutex_lock(&wusbhc->mutex);
+	result = 0;
+	wusb_dev = wusb_port_by_idx(wusbhc, port_idx)->wusb_dev;
+	if (wusb_dev == NULL) {
+		/* reset no device? ignore */
+		dev_dbg(dev, "RESET: no device at port %u, ignoring\n",
+			port_idx);
+		goto error_unlock;
+	}
+	result = -ENOMEM;
+	ie = kzalloc(sizeof(*ie), GFP_KERNEL);
+	if (ie == NULL)
+		goto error_unlock;
+	ie->hdr.bLength = sizeof(ie->hdr) + sizeof(ie->CDID);
+	ie->hdr.bIEIdentifier = WUIE_ID_RESET_DEVICE;
+	ie->CDID = wusb_dev->cdid;
+	result = wusbhc_mmcie_set(wusbhc, 0xff, 6, &ie->hdr);
+	if (result < 0) {
+		dev_err(dev, "RESET: cant's set MMC: %d\n", result);
+		goto error_kfree;
+	}
+	__wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, port_idx));
+
+	/* 120ms, hopefully 6 MMCs (FIXME) */
+	msleep(120);
+	wusbhc_mmcie_rm(wusbhc, &ie->hdr);
+error_kfree:
+	kfree(ie);
+error_unlock:
+	mutex_unlock(&wusbhc->mutex);
+	d_fnend(3, dev, "(%p, %u) = %d\n", wusbhc, port_idx, result);
+	return result;
+}
+
+/*
+ * Handle a Device Notification coming a host
+ *
+ * The Device Notification comes from a host (HWA, DWA or WHCI)
+ * wrapped in a set of headers. Somebody else has peeled off those
+ * headers for us and we just get one Device Notifications.
+ *
+ * Invalid DNs (e.g., too short) are discarded.
+ *
+ * @wusbhc shall be referenced
+ *
+ * FIXMES:
+ *  - implement priorities as in WUSB1.0[Table 7-55]?
+ */
+void wusbhc_handle_dn(struct wusbhc *wusbhc, u8 srcaddr,
+		      struct wusb_dn_hdr *dn_hdr, size_t size)
+{
+	struct device *dev = wusbhc->dev;
+	struct wusb_dev *wusb_dev;
+
+	d_fnstart(3, dev, "(%p, %p)\n", wusbhc, dn_hdr);
+
+	if (size < sizeof(struct wusb_dn_hdr)) {
+		dev_err(dev, "DN data shorter than DN header (%d < %d)\n",
+			(int)size, (int)sizeof(struct wusb_dn_hdr));
+		goto out;
+	}
+
+	wusb_dev = wusbhc_find_dev_by_addr(wusbhc, srcaddr);
+	if (wusb_dev == NULL && dn_hdr->bType != WUSB_DN_CONNECT) {
+		dev_dbg(dev, "ignoring DN %d from unconnected device %02x\n",
+			dn_hdr->bType, srcaddr);
+		goto out;
+	}
+
+	switch (dn_hdr->bType) {
+	case WUSB_DN_CONNECT:
+		wusbhc_handle_dn_connect(wusbhc, dn_hdr, size);
+		break;
+	case WUSB_DN_ALIVE:
+		wusbhc_handle_dn_alive(wusbhc, wusb_dev);
+		break;
+	case WUSB_DN_DISCONNECT:
+		wusbhc_handle_dn_disconnect(wusbhc, wusb_dev);
+		break;
+	case WUSB_DN_MASAVAILCHANGED:
+	case WUSB_DN_RWAKE:
+	case WUSB_DN_SLEEP:
+		/* FIXME: handle these DNs. */
+		break;
+	case WUSB_DN_EPRDY:
+		/* The hardware handles these. */
+		break;
+	default:
+		dev_warn(dev, "unknown DN %u (%d octets) from %u\n",
+			 dn_hdr->bType, (int)size, srcaddr);
+	}
+out:
+	d_fnend(3, dev, "(%p, %p) = void\n", wusbhc, dn_hdr);
+	return;
+}
+EXPORT_SYMBOL_GPL(wusbhc_handle_dn);
+
+/*
+ * Disconnect a WUSB device from a the cluster
+ *
+ * @wusbhc
+ * @port     Fake port where the device is (wusbhc index, not USB port number).
+ *
+ * In Wireless USB, a disconnect is basically telling the device he is
+ * being disconnected and forgetting about him.
+ *
+ * We send the device a Device Disconnect IE (WUSB1.0[7.5.11]) for 100
+ * ms and then keep going.
+ *
+ * We don't do much in case of error; we always pretend we disabled
+ * the port and disconnected the device. If physically the request
+ * didn't get there (many things can fail in the way there), the stack
+ * will reject the device's communication attempts.
+ *
+ * @wusbhc should be refcounted and locked
+ */
+void __wusbhc_dev_disable(struct wusbhc *wusbhc, u8 port_idx)
+{
+	int result;
+	struct device *dev = wusbhc->dev;
+	struct wusb_dev *wusb_dev;
+	struct wuie_disconnect *ie;
+
+	d_fnstart(3, dev, "(%p, %u)\n", wusbhc, port_idx);
+	result = 0;
+	wusb_dev = wusb_port_by_idx(wusbhc, port_idx)->wusb_dev;
+	if (wusb_dev == NULL) {
+		/* reset no device? ignore */
+		dev_dbg(dev, "DISCONNECT: no device at port %u, ignoring\n",
+			port_idx);
+		goto error;
+	}
+	__wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, port_idx));
+
+	result = -ENOMEM;
+	ie = kzalloc(sizeof(*ie), GFP_KERNEL);
+	if (ie == NULL)
+		goto error;
+	ie->hdr.bLength = sizeof(*ie);
+	ie->hdr.bIEIdentifier = WUIE_ID_DEVICE_DISCONNECT;
+	ie->bDeviceAddress = wusb_dev->addr;
+	result = wusbhc_mmcie_set(wusbhc, 0, 0, &ie->hdr);
+	if (result < 0) {
+		dev_err(dev, "DISCONNECT: can't set MMC: %d\n", result);
+		goto error_kfree;
+	}
+
+	/* 120ms, hopefully 6 MMCs */
+	msleep(100);
+	wusbhc_mmcie_rm(wusbhc, &ie->hdr);
+error_kfree:
+	kfree(ie);
+error:
+	d_fnend(3, dev, "(%p, %u) = %d\n", wusbhc, port_idx, result);
+	return;
+}
+
+static void wusb_cap_descr_printf(const unsigned level, struct device *dev,
+				  const struct usb_wireless_cap_descriptor *wcd)
+{
+	d_printf(level, dev,
+		 "WUSB Capability Descriptor\n"
+		 "  bDevCapabilityType          0x%02x\n"
+		 "  bmAttributes                0x%02x\n"
+		 "  wPhyRates                   0x%04x\n"
+		 "  bmTFITXPowerInfo            0x%02x\n"
+		 "  bmFFITXPowerInfo            0x%02x\n"
+		 "  bmBandGroup                 0x%04x\n"
+		 "  bReserved                   0x%02x\n",
+		 wcd->bDevCapabilityType,
+		 wcd->bmAttributes,
+		 le16_to_cpu(wcd->wPHYRates),
+		 wcd->bmTFITXPowerInfo,
+		 wcd->bmFFITXPowerInfo,
+		 wcd->bmBandGroup,
+		 wcd->bReserved);
+}
+
+/*
+ * Walk over the BOS descriptor, verify and grok it
+ *
+ * @usb_dev: referenced
+ * @wusb_dev: referenced and unlocked
+ *
+ * The BOS descriptor is defined at WUSB1.0[7.4.1], and it defines a
+ * "flexible" way to wrap all kinds of descriptors inside an standard
+ * descriptor (wonder why they didn't use normal descriptors,
+ * btw). Not like they lack code.
+ *
+ * At the end we go to look for the WUSB Device Capabilities
+ * (WUSB1.0[7.4.1.1]) that is wrapped in a device capability descriptor
+ * that is part of the BOS descriptor set. That tells us what does the
+ * device support (dual role, beacon type, UWB PHY rates).
+ */
+static int wusb_dev_bos_grok(struct usb_device *usb_dev,
+			     struct wusb_dev *wusb_dev,
+			     struct usb_bos_descriptor *bos, size_t desc_size)
+{
+	ssize_t result;
+	struct device *dev = &usb_dev->dev;
+	void *itr, *top;
+
+	/* Walk over BOS capabilities, verify them */
+	itr = (void *)bos + sizeof(*bos);
+	top = itr + desc_size - sizeof(*bos);
+	while (itr < top) {
+		struct usb_dev_cap_header *cap_hdr = itr;
+		size_t cap_size;
+		u8 cap_type;
+		if (top - itr < sizeof(*cap_hdr)) {
+			dev_err(dev, "Device BUG? premature end of BOS header "
+				"data [offset 0x%02x]: only %zu bytes left\n",
+				(int)(itr - (void *)bos), top - itr);
+			result = -ENOSPC;
+			goto error_bad_cap;
+		}
+		cap_size = cap_hdr->bLength;
+		cap_type = cap_hdr->bDevCapabilityType;
+		d_printf(4, dev, "BOS Capability: 0x%02x (%zu bytes)\n",
+			 cap_type, cap_size);
+		if (cap_size == 0)
+			break;
+		if (cap_size > top - itr) {
+			dev_err(dev, "Device BUG? premature end of BOS data "
+				"[offset 0x%02x cap %02x %zu bytes]: "
+				"only %zu bytes left\n",
+				(int)(itr - (void *)bos),
+				cap_type, cap_size, top - itr);
+			result = -EBADF;
+			goto error_bad_cap;
+		}
+		d_dump(3, dev, itr, cap_size);
+		switch (cap_type) {
+		case USB_CAP_TYPE_WIRELESS_USB:
+			if (cap_size != sizeof(*wusb_dev->wusb_cap_descr))
+				dev_err(dev, "Device BUG? WUSB Capability "
+					"descriptor is %zu bytes vs %zu "
+					"needed\n", cap_size,
+					sizeof(*wusb_dev->wusb_cap_descr));
+			else {
+				wusb_dev->wusb_cap_descr = itr;
+				wusb_cap_descr_printf(3, dev, itr);
+			}
+			break;
+		default:
+			dev_err(dev, "BUG? Unknown BOS capability 0x%02x "
+				"(%zu bytes) at offset 0x%02x\n", cap_type,
+				cap_size, (int)(itr - (void *)bos));
+		}
+		itr += cap_size;
+	}
+	result = 0;
+error_bad_cap:
+	return result;
+}
+
+/*
+ * Add information from the BOS descriptors to the device
+ *
+ * @usb_dev: referenced
+ * @wusb_dev: referenced and unlocked
+ *
+ * So what we do is we alloc a space for the BOS descriptor of 64
+ * bytes; read the first four bytes which include the wTotalLength
+ * field (WUSB1.0[T7-26]) and if it fits in those 64 bytes, read the
+ * whole thing. If not we realloc to that size.
+ *
+ * Then we call the groking function, that will fill up
+ * wusb_dev->wusb_cap_descr, which is what we'll need later on.
+ */
+static int wusb_dev_bos_add(struct usb_device *usb_dev,
+			    struct wusb_dev *wusb_dev)
+{
+	ssize_t result;
+	struct device *dev = &usb_dev->dev;
+	struct usb_bos_descriptor *bos;
+	size_t alloc_size = 32, desc_size = 4;
+
+	bos = kmalloc(alloc_size, GFP_KERNEL);
+	if (bos == NULL)
+		return -ENOMEM;
+	result = usb_get_descriptor(usb_dev, USB_DT_BOS, 0, bos, desc_size);
+	if (result < 4) {
+		dev_err(dev, "Can't get BOS descriptor or too short: %zd\n",
+			result);
+		goto error_get_descriptor;
+	}
+	desc_size = le16_to_cpu(bos->wTotalLength);
+	if (desc_size >= alloc_size) {
+		kfree(bos);
+		alloc_size = desc_size;
+		bos = kmalloc(alloc_size, GFP_KERNEL);
+		if (bos == NULL)
+			return -ENOMEM;
+	}
+	result = usb_get_descriptor(usb_dev, USB_DT_BOS, 0, bos, desc_size);
+	if (result < 0 || result != desc_size) {
+		dev_err(dev, "Can't get  BOS descriptor or too short (need "
+			"%zu bytes): %zd\n", desc_size, result);
+		goto error_get_descriptor;
+	}
+	if (result < sizeof(*bos)
+	    || le16_to_cpu(bos->wTotalLength) != desc_size) {
+		dev_err(dev, "Can't get  BOS descriptor or too short (need "
+			"%zu bytes): %zd\n", desc_size, result);
+		goto error_get_descriptor;
+	}
+	d_printf(2, dev, "Got BOS descriptor %zd bytes, %u capabilities\n",
+		 result, bos->bNumDeviceCaps);
+	d_dump(2, dev, bos, result);
+	result = wusb_dev_bos_grok(usb_dev, wusb_dev, bos, result);
+	if (result < 0)
+		goto error_bad_bos;
+	wusb_dev->bos = bos;
+	return 0;
+
+error_bad_bos:
+error_get_descriptor:
+	kfree(bos);
+	wusb_dev->wusb_cap_descr = NULL;
+	return result;
+}
+
+static void wusb_dev_bos_rm(struct wusb_dev *wusb_dev)
+{
+	kfree(wusb_dev->bos);
+	wusb_dev->wusb_cap_descr = NULL;
+};
+
+static struct usb_wireless_cap_descriptor wusb_cap_descr_default = {
+	.bLength = sizeof(wusb_cap_descr_default),
+	.bDescriptorType = USB_DT_DEVICE_CAPABILITY,
+	.bDevCapabilityType = USB_CAP_TYPE_WIRELESS_USB,
+
+	.bmAttributes = USB_WIRELESS_BEACON_NONE,
+	.wPHYRates = cpu_to_le16(USB_WIRELESS_PHY_53),
+	.bmTFITXPowerInfo = 0,
+	.bmFFITXPowerInfo = 0,
+	.bmBandGroup = cpu_to_le16(0x0001),	/* WUSB1.0[7.4.1] bottom */
+	.bReserved = 0
+};
+
+/*
+ * USB stack's device addition Notifier Callback
+ *
+ * Called from drivers/usb/core/hub.c when a new device is added; we
+ * use this hook to perform certain WUSB specific setup work on the
+ * new device. As well, it is the first time we can connect the
+ * wusb_dev and the usb_dev. So we note it down in wusb_dev and take a
+ * reference that we'll drop.
+ *
+ * First we need to determine if the device is a WUSB device (else we
+ * ignore it). For that we use the speed setting (USB_SPEED_VARIABLE)
+ * [FIXME: maybe we'd need something more definitive]. If so, we track
+ * it's usb_busd and from there, the WUSB HC.
+ *
+ * Because all WUSB HCs are contained in a 'struct wusbhc', voila, we
+ * get the wusbhc for the device.
+ *
+ * We have a reference on @usb_dev (as we are called at the end of its
+ * enumeration).
+ *
+ * NOTE: @usb_dev locked
+ */
+static void wusb_dev_add_ncb(struct usb_device *usb_dev)
+{
+	int result = 0;
+	struct wusb_dev *wusb_dev;
+	struct wusbhc *wusbhc;
+	struct device *dev = &usb_dev->dev;
+	u8 port_idx;
+
+	if (usb_dev->wusb == 0 || usb_dev->devnum == 1)
+		return;		/* skip non wusb and wusb RHs */
+
+	d_fnstart(3, dev, "(usb_dev %p)\n", usb_dev);
+
+	wusbhc = wusbhc_get_by_usb_dev(usb_dev);
+	if (wusbhc == NULL)
+		goto error_nodev;
+	mutex_lock(&wusbhc->mutex);
+	wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, usb_dev);
+	port_idx = wusb_port_no_to_idx(usb_dev->portnum);
+	mutex_unlock(&wusbhc->mutex);
+	if (wusb_dev == NULL)
+		goto error_nodev;
+	wusb_dev->usb_dev = usb_get_dev(usb_dev);
+	usb_dev->wusb_dev = wusb_dev_get(wusb_dev);
+	result = wusb_dev_sec_add(wusbhc, usb_dev, wusb_dev);
+	if (result < 0) {
+		dev_err(dev, "Cannot enable security: %d\n", result);
+		goto error_sec_add;
+	}
+	/* Now query the device for it's BOS and attach it to wusb_dev */
+	result = wusb_dev_bos_add(usb_dev, wusb_dev);
+	if (result < 0) {
+		dev_err(dev, "Cannot get BOS descriptors: %d\n", result);
+		goto error_bos_add;
+	}
+	result = wusb_dev_sysfs_add(wusbhc, usb_dev, wusb_dev);
+	if (result < 0)
+		goto error_add_sysfs;
+out:
+	wusb_dev_put(wusb_dev);
+	wusbhc_put(wusbhc);
+error_nodev:
+	d_fnend(3, dev, "(usb_dev %p) = void\n", usb_dev);
+	return;
+
+	wusb_dev_sysfs_rm(wusb_dev);
+error_add_sysfs:
+	wusb_dev_bos_rm(wusb_dev);
+error_bos_add:
+	wusb_dev_sec_rm(wusb_dev);
+error_sec_add:
+	mutex_lock(&wusbhc->mutex);
+	__wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, port_idx));
+	mutex_unlock(&wusbhc->mutex);
+	goto out;
+}
+
+/*
+ * Undo all the steps done at connection by the notifier callback
+ *
+ * NOTE: @usb_dev locked
+ */
+static void wusb_dev_rm_ncb(struct usb_device *usb_dev)
+{
+	struct wusb_dev *wusb_dev = usb_dev->wusb_dev;
+
+	if (usb_dev->wusb == 0 || usb_dev->devnum == 1)
+		return;		/* skip non wusb and wusb RHs */
+
+	wusb_dev_sysfs_rm(wusb_dev);
+	wusb_dev_bos_rm(wusb_dev);
+	wusb_dev_sec_rm(wusb_dev);
+	wusb_dev->usb_dev = NULL;
+	usb_dev->wusb_dev = NULL;
+	wusb_dev_put(wusb_dev);
+	usb_put_dev(usb_dev);
+}
+
+/*
+ * Handle notifications from the USB stack (notifier call back)
+ *
+ * This is called when the USB stack does a
+ * usb_{bus,device}_{add,remove}() so we can do WUSB specific
+ * handling. It is called with [for the case of
+ * USB_DEVICE_{ADD,REMOVE} with the usb_dev locked.
+ */
+int wusb_usb_ncb(struct notifier_block *nb, unsigned long val,
+		 void *priv)
+{
+	int result = NOTIFY_OK;
+
+	switch (val) {
+	case USB_DEVICE_ADD:
+		wusb_dev_add_ncb(priv);
+		break;
+	case USB_DEVICE_REMOVE:
+		wusb_dev_rm_ncb(priv);
+		break;
+	case USB_BUS_ADD:
+		/* ignore (for now) */
+	case USB_BUS_REMOVE:
+		break;
+	default:
+		WARN_ON(1);
+		result = NOTIFY_BAD;
+	};
+	return result;
+}
+
+/*
+ * Return a referenced wusb_dev given a @wusbhc and @usb_dev
+ */
+struct wusb_dev *__wusb_dev_get_by_usb_dev(struct wusbhc *wusbhc,
+					   struct usb_device *usb_dev)
+{
+	struct wusb_dev *wusb_dev;
+	u8 port_idx;
+
+	port_idx = wusb_port_no_to_idx(usb_dev->portnum);
+	BUG_ON(port_idx > wusbhc->ports_max);
+	wusb_dev = wusb_port_by_idx(wusbhc, port_idx)->wusb_dev;
+	if (wusb_dev != NULL)		/* ops, device is gone */
+		wusb_dev_get(wusb_dev);
+	return wusb_dev;
+}
+EXPORT_SYMBOL_GPL(__wusb_dev_get_by_usb_dev);
+
+void wusb_dev_destroy(struct kref *_wusb_dev)
+{
+	struct wusb_dev *wusb_dev
+		= container_of(_wusb_dev, struct wusb_dev, refcnt);
+	list_del_init(&wusb_dev->cack_node);
+	wusb_dev_free(wusb_dev);
+	d_fnend(1, NULL, "%s (wusb_dev %p) = void\n", __func__, wusb_dev);
+}
+EXPORT_SYMBOL_GPL(wusb_dev_destroy);
+
+/*
+ * Create all the device connect handling infrastructure
+ *
+ * This is basically the device info array, Connect Acknowledgement
+ * (cack) lists, keep-alive timers (and delayed work thread).
+ */
+int wusbhc_devconnect_create(struct wusbhc *wusbhc)
+{
+	d_fnstart(3, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
+
+	wusbhc->keep_alive_ie.hdr.bIEIdentifier = WUIE_ID_KEEP_ALIVE;
+	wusbhc->keep_alive_ie.hdr.bLength = sizeof(wusbhc->keep_alive_ie.hdr);
+	INIT_DELAYED_WORK(&wusbhc->keep_alive_timer, wusbhc_keep_alive_run);
+
+	wusbhc->cack_ie.hdr.bIEIdentifier = WUIE_ID_CONNECTACK;
+	wusbhc->cack_ie.hdr.bLength = sizeof(wusbhc->cack_ie.hdr);
+	INIT_LIST_HEAD(&wusbhc->cack_list);
+
+	d_fnend(3, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
+	return 0;
+}
+
+/*
+ * Release all resources taken by the devconnect stuff
+ */
+void wusbhc_devconnect_destroy(struct wusbhc *wusbhc)
+{
+	d_fnstart(3, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
+	d_fnend(3, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
+}
+
+/*
+ * wusbhc_devconnect_start - start accepting device connections
+ * @wusbhc: the WUSB HC
+ *
+ * Sets the Host Info IE to accept all new connections.
+ *
+ * FIXME: This also enables the keep alives but this is not necessary
+ * until there are connected and authenticated devices.
+ */
+int wusbhc_devconnect_start(struct wusbhc *wusbhc,
+			    const struct wusb_ckhdid *chid)
+{
+	struct device *dev = wusbhc->dev;
+	struct wuie_host_info *hi;
+	int result;
+
+	hi = kzalloc(sizeof(*hi), GFP_KERNEL);
+	if (hi == NULL)
+		return -ENOMEM;
+
+	hi->hdr.bLength       = sizeof(*hi);
+	hi->hdr.bIEIdentifier = WUIE_ID_HOST_INFO;
+	hi->attributes        = cpu_to_le16((wusbhc->rsv->stream << 3) | WUIE_HI_CAP_ALL);
+	hi->CHID              = *chid;
+	result = wusbhc_mmcie_set(wusbhc, 0, 0, &hi->hdr);
+	if (result < 0) {
+		dev_err(dev, "Cannot add Host Info MMCIE: %d\n", result);
+		goto error_mmcie_set;
+	}
+	wusbhc->wuie_host_info = hi;
+
+	queue_delayed_work(wusbd, &wusbhc->keep_alive_timer,
+			   (wusbhc->trust_timeout*CONFIG_HZ)/1000/2);
+
+	return 0;
+
+error_mmcie_set:
+	kfree(hi);
+	return result;
+}
+
+/*
+ * wusbhc_devconnect_stop - stop managing connected devices
+ * @wusbhc: the WUSB HC
+ *
+ * Removes the Host Info IE and stops the keep alives.
+ *
+ * FIXME: should this disconnect all devices?
+ */
+void wusbhc_devconnect_stop(struct wusbhc *wusbhc)
+{
+	cancel_delayed_work_sync(&wusbhc->keep_alive_timer);
+	WARN_ON(!list_empty(&wusbhc->cack_list));
+
+	wusbhc_mmcie_rm(wusbhc, &wusbhc->wuie_host_info->hdr);
+	kfree(wusbhc->wuie_host_info);
+	wusbhc->wuie_host_info = NULL;
+}
+
+/*
+ * wusb_set_dev_addr - set the WUSB device address used by the host
+ * @wusbhc: the WUSB HC the device is connect to
+ * @wusb_dev: the WUSB device
+ * @addr: new device address
+ */
+int wusb_set_dev_addr(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev, u8 addr)
+{
+	int result;
+
+	wusb_dev->addr = addr;
+	result = wusbhc->dev_info_set(wusbhc, wusb_dev);
+	if (result)
+		dev_err(wusbhc->dev, "device %d: failed to set device "
+			"address\n", wusb_dev->port_idx);
+	else
+		dev_info(wusbhc->dev, "device %d: %s addr %u\n",
+			 wusb_dev->port_idx,
+			 (addr & WUSB_DEV_ADDR_UNAUTH) ? "unauth" : "auth",
+			 wusb_dev->addr);
+
+	return result;
+}
diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c
new file mode 100644
index 00000000000..e5390b77aaa
--- /dev/null
+++ b/drivers/usb/wusbcore/mmc.c
@@ -0,0 +1,329 @@
+/*
+ * WUSB Wire Adapter: Control/Data Streaming Interface (WUSB[8])
+ * MMC (Microscheduled Management Command) handling
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * WUIEs and MMC IEs...well, they are almost the same at the end. MMC
+ * IEs are Wireless USB IEs that go into the MMC period...[what is
+ * that? look in Design-overview.txt].
+ *
+ *
+ * This is a simple subsystem to keep track of which IEs are being
+ * sent by the host in the MMC period.
+ *
+ * For each WUIE we ask to send, we keep it in an array, so we can
+ * request its removal later, or replace the content. They are tracked
+ * by pointer, so be sure to use the same pointer if you want to
+ * remove it or update the contents.
+ *
+ * FIXME:
+ *  - add timers that autoremove intervalled IEs?
+ */
+#include <linux/usb/wusb.h>
+#include "wusbhc.h"
+
+/* Initialize the MMCIEs handling mechanism */
+int wusbhc_mmcie_create(struct wusbhc *wusbhc)
+{
+	u8 mmcies = wusbhc->mmcies_max;
+	wusbhc->mmcie = kzalloc(mmcies * sizeof(wusbhc->mmcie[0]), GFP_KERNEL);
+	if (wusbhc->mmcie == NULL)
+		return -ENOMEM;
+	mutex_init(&wusbhc->mmcie_mutex);
+	return 0;
+}
+
+/* Release resources used by the MMCIEs handling mechanism */
+void wusbhc_mmcie_destroy(struct wusbhc *wusbhc)
+{
+	kfree(wusbhc->mmcie);
+}
+
+/*
+ * Add or replace an MMC Wireless USB IE.
+ *
+ * @interval:    See WUSB1.0[8.5.3.1]
+ * @repeat_cnt:  See WUSB1.0[8.5.3.1]
+ * @handle:      See WUSB1.0[8.5.3.1]
+ * @wuie:        Pointer to the header of the WUSB IE data to add.
+ *               MUST BE allocated in a kmalloc buffer (no stack or
+ *               vmalloc).
+ *               THE CALLER ALWAYS OWNS THE POINTER (we don't free it
+ *               on remove, we just forget about it).
+ * @returns:     0 if ok, < 0 errno code on error.
+ *
+ * Goes over the *whole* @wusbhc->mmcie array looking for (a) the
+ * first free spot and (b) if @wuie is already in the array (aka:
+ * transmitted in the MMCs) the spot were it is.
+ *
+ * If present, we "overwrite it" (update).
+ *
+ *
+ * NOTE: Need special ordering rules -- see below WUSB1.0 Table 7-38.
+ *       The host uses the handle as the 'sort' index. We
+ *       allocate the last one always for the WUIE_ID_HOST_INFO, and
+ *       the rest, first come first serve in inverse order.
+ *
+ *       Host software must make sure that it adds the other IEs in
+ *       the right order... the host hardware is responsible for
+ *       placing the WCTA IEs in the right place with the other IEs
+ *       set by host software.
+ *
+ * NOTE: we can access wusbhc->wa_descr without locking because it is
+ *       read only.
+ */
+int wusbhc_mmcie_set(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
+		     struct wuie_hdr *wuie)
+{
+	int result = -ENOBUFS;
+	struct device *dev = wusbhc->dev;
+	unsigned handle, itr;
+
+	/* Search a handle, taking into account the ordering */
+	mutex_lock(&wusbhc->mmcie_mutex);
+	switch (wuie->bIEIdentifier) {
+	case WUIE_ID_HOST_INFO:
+		/* Always last */
+		handle = wusbhc->mmcies_max - 1;
+		break;
+	case WUIE_ID_ISOCH_DISCARD:
+		dev_err(wusbhc->dev, "Special ordering case for WUIE ID 0x%x "
+			"unimplemented\n", wuie->bIEIdentifier);
+		result = -ENOSYS;
+		goto error_unlock;
+	default:
+		/* search for it or find the last empty slot */
+		handle = ~0;
+		for (itr = 0; itr < wusbhc->mmcies_max - 1; itr++) {
+			if (wusbhc->mmcie[itr] == wuie) {
+				handle = itr;
+				break;
+			}
+			if (wusbhc->mmcie[itr] == NULL)
+				handle = itr;
+		}
+		if (handle == ~0) {
+			if (printk_ratelimit())
+				dev_err(dev, "MMC handle space exhausted\n");
+			goto error_unlock;
+		}
+	}
+	result = (wusbhc->mmcie_add)(wusbhc, interval, repeat_cnt, handle,
+				     wuie);
+	if (result >= 0)
+		wusbhc->mmcie[handle] = wuie;
+error_unlock:
+	mutex_unlock(&wusbhc->mmcie_mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wusbhc_mmcie_set);
+
+/*
+ * Remove an MMC IE previously added with wusbhc_mmcie_set()
+ *
+ * @wuie	Pointer used to add the WUIE
+ */
+void wusbhc_mmcie_rm(struct wusbhc *wusbhc, struct wuie_hdr *wuie)
+{
+	int result;
+	struct device *dev = wusbhc->dev;
+	unsigned handle, itr;
+
+	mutex_lock(&wusbhc->mmcie_mutex);
+	for (itr = 0; itr < wusbhc->mmcies_max; itr++)
+		if (wusbhc->mmcie[itr] == wuie) {
+			handle = itr;
+			goto found;
+		}
+	mutex_unlock(&wusbhc->mmcie_mutex);
+	return;
+
+found:
+	result = (wusbhc->mmcie_rm)(wusbhc, handle);
+	if (result == 0)
+		wusbhc->mmcie[itr] = NULL;
+	else if (printk_ratelimit())
+		dev_err(dev, "MMC: Failed to remove IE %p (0x%02x)\n",
+			wuie, wuie->bIEIdentifier);
+	mutex_unlock(&wusbhc->mmcie_mutex);
+	return;
+}
+EXPORT_SYMBOL_GPL(wusbhc_mmcie_rm);
+
+/*
+ * wusbhc_start - start transmitting MMCs and accepting connections
+ * @wusbhc: the HC to start
+ * @chid: the CHID to use for this host
+ *
+ * Establishes a cluster reservation, enables device connections, and
+ * starts MMCs with appropriate DNTS parameters.
+ */
+int wusbhc_start(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
+{
+	int result;
+	struct device *dev = wusbhc->dev;
+
+	WARN_ON(wusbhc->wuie_host_info != NULL);
+
+	result = wusbhc_rsv_establish(wusbhc);
+	if (result < 0) {
+		dev_err(dev, "cannot establish cluster reservation: %d\n",
+			result);
+		goto error_rsv_establish;
+	}
+
+	result = wusbhc_devconnect_start(wusbhc, chid);
+	if (result < 0) {
+		dev_err(dev, "error enabling device connections: %d\n", result);
+		goto error_devconnect_start;
+	}
+
+	result = wusbhc_sec_start(wusbhc);
+	if (result < 0) {
+		dev_err(dev, "error starting security in the HC: %d\n", result);
+		goto error_sec_start;
+	}
+	/* FIXME: the choice of the DNTS parameters is somewhat
+	 * arbitrary */
+	result = wusbhc->set_num_dnts(wusbhc, 0, 15);
+	if (result < 0) {
+		dev_err(dev, "Cannot set DNTS parameters: %d\n", result);
+		goto error_set_num_dnts;
+	}
+	result = wusbhc->start(wusbhc);
+	if (result < 0) {
+		dev_err(dev, "error starting wusbch: %d\n", result);
+		goto error_wusbhc_start;
+	}
+	wusbhc->active = 1;
+	return 0;
+
+error_wusbhc_start:
+	wusbhc_sec_stop(wusbhc);
+error_set_num_dnts:
+error_sec_start:
+	wusbhc_devconnect_stop(wusbhc);
+error_devconnect_start:
+	wusbhc_rsv_terminate(wusbhc);
+error_rsv_establish:
+	return result;
+}
+
+/*
+ * Disconnect all from the WUSB Channel
+ *
+ * Send a Host Disconnect IE in the MMC, wait, don't send it any more
+ */
+static int __wusbhc_host_disconnect_ie(struct wusbhc *wusbhc)
+{
+	int result = -ENOMEM;
+	struct wuie_host_disconnect *host_disconnect_ie;
+	might_sleep();
+	host_disconnect_ie = kmalloc(sizeof(*host_disconnect_ie), GFP_KERNEL);
+	if (host_disconnect_ie == NULL)
+		goto error_alloc;
+	host_disconnect_ie->hdr.bLength       = sizeof(*host_disconnect_ie);
+	host_disconnect_ie->hdr.bIEIdentifier = WUIE_ID_HOST_DISCONNECT;
+	result = wusbhc_mmcie_set(wusbhc, 0, 0, &host_disconnect_ie->hdr);
+	if (result < 0)
+		goto error_mmcie_set;
+
+	/* WUSB1.0[8.5.3.1 & 7.5.2] */
+	msleep(100);
+	wusbhc_mmcie_rm(wusbhc, &host_disconnect_ie->hdr);
+error_mmcie_set:
+	kfree(host_disconnect_ie);
+error_alloc:
+	return result;
+}
+
+/*
+ * wusbhc_stop - stop transmitting MMCs
+ * @wusbhc: the HC to stop
+ *
+ * Send a Host Disconnect IE, wait, remove all the MMCs (stop sending MMCs).
+ *
+ * If we can't allocate a Host Stop IE, screw it, we don't notify the
+ * devices we are disconnecting...
+ */
+void wusbhc_stop(struct wusbhc *wusbhc)
+{
+	if (wusbhc->active) {
+		wusbhc->active = 0;
+		wusbhc->stop(wusbhc);
+		wusbhc_sec_stop(wusbhc);
+		__wusbhc_host_disconnect_ie(wusbhc);
+		wusbhc_devconnect_stop(wusbhc);
+		wusbhc_rsv_terminate(wusbhc);
+	}
+}
+EXPORT_SYMBOL_GPL(wusbhc_stop);
+
+/*
+ * Change the CHID in a WUSB Channel
+ *
+ * If it is just a new CHID, send a Host Disconnect IE and then change
+ * the CHID IE.
+ */
+static int __wusbhc_chid_change(struct wusbhc *wusbhc,
+				const struct wusb_ckhdid *chid)
+{
+	int result = -ENOSYS;
+	struct device *dev = wusbhc->dev;
+	dev_err(dev, "%s() not implemented yet\n", __func__);
+	return result;
+
+	BUG_ON(wusbhc->wuie_host_info == NULL);
+	__wusbhc_host_disconnect_ie(wusbhc);
+	wusbhc->wuie_host_info->CHID = *chid;
+	result = wusbhc_mmcie_set(wusbhc, 0, 0, &wusbhc->wuie_host_info->hdr);
+	if (result < 0)
+		dev_err(dev, "Can't update Host Info WUSB IE: %d\n", result);
+	return result;
+}
+
+/*
+ * Set/reset/update a new CHID
+ *
+ * Depending on the previous state of the MMCs, start, stop or change
+ * the sent MMC. This effectively switches the host controller on and
+ * off (radio wise).
+ */
+int wusbhc_chid_set(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
+{
+	int result = 0;
+
+	if (memcmp(chid, &wusb_ckhdid_zero, sizeof(chid)) == 0)
+		chid = NULL;
+
+	mutex_lock(&wusbhc->mutex);
+	if (wusbhc->active) {
+		if (chid)
+			result = __wusbhc_chid_change(wusbhc, chid);
+		else
+			wusbhc_stop(wusbhc);
+	} else {
+		if (chid)
+			wusbhc_start(wusbhc, chid);
+	}
+	mutex_unlock(&wusbhc->mutex);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wusbhc_chid_set);
-- 
GitLab


From d59db761b8559f07a7161ca3387d6c6949667ede Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:25 +0100
Subject: [PATCH 0175/2224] wusb: add the Wireless USB core (security)

Add the WUSB security (authentication) code.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/crypto.c   | 538 ++++++++++++++++++++++++++
 drivers/usb/wusbcore/security.c | 642 ++++++++++++++++++++++++++++++++
 2 files changed, 1180 insertions(+)
 create mode 100644 drivers/usb/wusbcore/crypto.c
 create mode 100644 drivers/usb/wusbcore/security.c

diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c
new file mode 100644
index 00000000000..c36c4389baa
--- /dev/null
+++ b/drivers/usb/wusbcore/crypto.c
@@ -0,0 +1,538 @@
+/*
+ * Ultra Wide Band
+ * AES-128 CCM Encryption
+ *
+ * Copyright (C) 2007 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * We don't do any encryption here; we use the Linux Kernel's AES-128
+ * crypto modules to construct keys and payload blocks in a way
+ * defined by WUSB1.0[6]. Check the erratas, as typos are are patched
+ * there.
+ *
+ * Thanks a zillion to John Keys for his help and clarifications over
+ * the designed-by-a-committee text.
+ *
+ * So the idea is that there is this basic Pseudo-Random-Function
+ * defined in WUSB1.0[6.5] which is the core of everything. It works
+ * by tweaking some blocks, AES crypting them and then xoring
+ * something else with them (this seems to be called CBC(AES) -- can
+ * you tell I know jack about crypto?). So we just funnel it into the
+ * Linux Crypto API.
+ *
+ * We leave a crypto test module so we can verify that vectors match,
+ * every now and then.
+ *
+ * Block size: 16 bytes -- AES seems to do things in 'block sizes'. I
+ *             am learning a lot...
+ *
+ *             Conveniently, some data structures that need to be
+ *             funneled through AES are...16 bytes in size!
+ */
+
+#include <linux/crypto.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/uwb.h>
+#include <linux/usb/wusb.h>
+#include <linux/scatterlist.h>
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+
+/*
+ * Block of data, as understood by AES-CCM
+ *
+ * The code assumes this structure is nothing but a 16 byte array
+ * (packed in a struct to avoid common mess ups that I usually do with
+ * arrays and enforcing type checking).
+ */
+struct aes_ccm_block {
+	u8 data[16];
+} __attribute__((packed));
+
+/*
+ * Counter-mode Blocks (WUSB1.0[6.4])
+ *
+ * According to CCM (or so it seems), for the purpose of calculating
+ * the MIC, the message is broken in N counter-mode blocks, B0, B1,
+ * ... BN.
+ *
+ * B0 contains flags, the CCM nonce and l(m).
+ *
+ * B1 contains l(a), the MAC header, the encryption offset and padding.
+ *
+ * If EO is nonzero, additional blocks are built from payload bytes
+ * until EO is exahusted (FIXME: padding to 16 bytes, I guess). The
+ * padding is not xmitted.
+ */
+
+/* WUSB1.0[T6.4] */
+struct aes_ccm_b0 {
+	u8 flags;	/* 0x59, per CCM spec */
+	struct aes_ccm_nonce ccm_nonce;
+	__be16 lm;
+} __attribute__((packed));
+
+/* WUSB1.0[T6.5] */
+struct aes_ccm_b1 {
+	__be16 la;
+	u8 mac_header[10];
+	__le16 eo;
+	u8 security_reserved;	/* This is always zero */
+	u8 padding;		/* 0 */
+} __attribute__((packed));
+
+/*
+ * Encryption Blocks (WUSB1.0[6.4.4])
+ *
+ * CCM uses Ax blocks to generate a keystream with which the MIC and
+ * the message's payload are encoded. A0 always encrypts/decrypts the
+ * MIC. Ax (x>0) are used for the sucesive payload blocks.
+ *
+ * The x is the counter, and is increased for each block.
+ */
+struct aes_ccm_a {
+	u8 flags;	/* 0x01, per CCM spec */
+	struct aes_ccm_nonce ccm_nonce;
+	__be16 counter;	/* Value of x */
+} __attribute__((packed));
+
+static void bytewise_xor(void *_bo, const void *_bi1, const void *_bi2,
+			 size_t size)
+{
+	u8 *bo = _bo;
+	const u8 *bi1 = _bi1, *bi2 = _bi2;
+	size_t itr;
+	for (itr = 0; itr < size; itr++)
+		bo[itr] = bi1[itr] ^ bi2[itr];
+}
+
+/*
+ * CC-MAC function WUSB1.0[6.5]
+ *
+ * Take a data string and produce the encrypted CBC Counter-mode MIC
+ *
+ * Note the names for most function arguments are made to (more or
+ * less) match those used in the pseudo-function definition given in
+ * WUSB1.0[6.5].
+ *
+ * @tfm_cbc: CBC(AES) blkcipher handle (initialized)
+ *
+ * @tfm_aes: AES cipher handle (initialized)
+ *
+ * @mic: buffer for placing the computed MIC (Message Integrity
+ *       Code). This is exactly 8 bytes, and we expect the buffer to
+ *       be at least eight bytes in length.
+ *
+ * @key: 128 bit symmetric key
+ *
+ * @n: CCM nonce
+ *
+ * @a: ASCII string, 14 bytes long (I guess zero padded if needed;
+ *     we use exactly 14 bytes).
+ *
+ * @b: data stream to be processed; cannot be a global or const local
+ *     (will confuse the scatterlists)
+ *
+ * @blen: size of b...
+ *
+ * Still not very clear how this is done, but looks like this: we
+ * create block B0 (as WUSB1.0[6.5] says), then we AES-crypt it with
+ * @key. We bytewise xor B0 with B1 (1) and AES-crypt that. Then we
+ * take the payload and divide it in blocks (16 bytes), xor them with
+ * the previous crypto result (16 bytes) and crypt it, repeat the next
+ * block with the output of the previous one, rinse wash (I guess this
+ * is what AES CBC mode means...but I truly have no idea). So we use
+ * the CBC(AES) blkcipher, that does precisely that. The IV (Initial
+ * Vector) is 16 bytes and is set to zero, so
+ *
+ * See rfc3610. Linux crypto has a CBC implementation, but the
+ * documentation is scarce, to say the least, and the example code is
+ * so intricated that is difficult to understand how things work. Most
+ * of this is guess work -- bite me.
+ *
+ * (1) Created as 6.5 says, again, using as l(a) 'Blen + 14', and
+ *     using the 14 bytes of @a to fill up
+ *     b1.{mac_header,e0,security_reserved,padding}.
+ *
+ * NOTE: The definiton of l(a) in WUSB1.0[6.5] vs the definition of
+ *       l(m) is orthogonal, they bear no relationship, so it is not
+ *       in conflict with the parameter's relation that
+ *       WUSB1.0[6.4.2]) defines.
+ *
+ * NOTE: WUSB1.0[A.1]: Host Nonce is missing a nibble? (1e); fixed in
+ *       first errata released on 2005/07.
+ *
+ * NOTE: we need to clean IV to zero at each invocation to make sure
+ *       we start with a fresh empty Initial Vector, so that the CBC
+ *       works ok.
+ *
+ * NOTE: blen is not aligned to a block size, we'll pad zeros, that's
+ *       what sg[4] is for. Maybe there is a smarter way to do this.
+ */
+static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
+			struct crypto_cipher *tfm_aes, void *mic,
+			const struct aes_ccm_nonce *n,
+			const struct aes_ccm_label *a, const void *b,
+			size_t blen)
+{
+	int result = 0;
+	struct blkcipher_desc desc;
+	struct aes_ccm_b0 b0;
+	struct aes_ccm_b1 b1;
+	struct aes_ccm_a ax;
+	struct scatterlist sg[4], sg_dst;
+	void *iv, *dst_buf;
+	size_t ivsize, dst_size;
+	const u8 bzero[16] = { 0 };
+	size_t zero_padding;
+
+	d_fnstart(3, NULL, "(tfm_cbc %p, tfm_aes %p, mic %p, "
+		  "n %p, a %p, b %p, blen %zu)\n",
+		  tfm_cbc, tfm_aes, mic, n, a, b, blen);
+	/*
+	 * These checks should be compile time optimized out
+	 * ensure @a fills b1's mac_header and following fields
+	 */
+	WARN_ON(sizeof(*a) != sizeof(b1) - sizeof(b1.la));
+	WARN_ON(sizeof(b0) != sizeof(struct aes_ccm_block));
+	WARN_ON(sizeof(b1) != sizeof(struct aes_ccm_block));
+	WARN_ON(sizeof(ax) != sizeof(struct aes_ccm_block));
+
+	result = -ENOMEM;
+	zero_padding = sizeof(struct aes_ccm_block)
+		- blen % sizeof(struct aes_ccm_block);
+	zero_padding = blen % sizeof(struct aes_ccm_block);
+	if (zero_padding)
+		zero_padding = sizeof(struct aes_ccm_block) - zero_padding;
+	dst_size = blen + sizeof(b0) + sizeof(b1) + zero_padding;
+	dst_buf = kzalloc(dst_size, GFP_KERNEL);
+	if (dst_buf == NULL) {
+		printk(KERN_ERR "E: can't alloc destination buffer\n");
+		goto error_dst_buf;
+	}
+
+	iv = crypto_blkcipher_crt(tfm_cbc)->iv;
+	ivsize = crypto_blkcipher_ivsize(tfm_cbc);
+	memset(iv, 0, ivsize);
+
+	/* Setup B0 */
+	b0.flags = 0x59;	/* Format B0 */
+	b0.ccm_nonce = *n;
+	b0.lm = cpu_to_be16(0);	/* WUSB1.0[6.5] sez l(m) is 0 */
+
+	/* Setup B1
+	 *
+	 * The WUSB spec is anything but clear! WUSB1.0[6.5]
+	 * says that to initialize B1 from A with 'l(a) = blen +
+	 * 14'--after clarification, it means to use A's contents
+	 * for MAC Header, EO, sec reserved and padding.
+	 */
+	b1.la = cpu_to_be16(blen + 14);
+	memcpy(&b1.mac_header, a, sizeof(*a));
+
+	d_printf(4, NULL, "I: B0 (%zu bytes)\n", sizeof(b0));
+	d_dump(4, NULL, &b0, sizeof(b0));
+	d_printf(4, NULL, "I: B1 (%zu bytes)\n", sizeof(b1));
+	d_dump(4, NULL, &b1, sizeof(b1));
+	d_printf(4, NULL, "I: B (%zu bytes)\n", blen);
+	d_dump(4, NULL, b, blen);
+	d_printf(4, NULL, "I: B 0-padding (%zu bytes)\n", zero_padding);
+	d_printf(4, NULL, "D: IV before crypto (%zu)\n", ivsize);
+	d_dump(4, NULL, iv, ivsize);
+
+	sg_init_table(sg, ARRAY_SIZE(sg));
+	sg_set_buf(&sg[0], &b0, sizeof(b0));
+	sg_set_buf(&sg[1], &b1, sizeof(b1));
+	sg_set_buf(&sg[2], b, blen);
+	/* 0 if well behaved :) */
+	sg_set_buf(&sg[3], bzero, zero_padding);
+	sg_init_one(&sg_dst, dst_buf, dst_size);
+
+	desc.tfm = tfm_cbc;
+	desc.flags = 0;
+	result = crypto_blkcipher_encrypt(&desc, &sg_dst, sg, dst_size);
+	if (result < 0) {
+		printk(KERN_ERR "E: can't compute CBC-MAC tag (MIC): %d\n",
+		       result);
+		goto error_cbc_crypt;
+	}
+	d_printf(4, NULL, "D: MIC tag\n");
+	d_dump(4, NULL, iv, ivsize);
+
+	/* Now we crypt the MIC Tag (*iv) with Ax -- values per WUSB1.0[6.5]
+	 * The procedure is to AES crypt the A0 block and XOR the MIC
+	 * Tag agains it; we only do the first 8 bytes and place it
+	 * directly in the destination buffer.
+	 *
+	 * POS Crypto API: size is assumed to be AES's block size.
+	 * Thanks for documenting it -- tip taken from airo.c
+	 */
+	ax.flags = 0x01;		/* as per WUSB 1.0 spec */
+	ax.ccm_nonce = *n;
+	ax.counter = 0;
+	crypto_cipher_encrypt_one(tfm_aes, (void *)&ax, (void *)&ax);
+	bytewise_xor(mic, &ax, iv, 8);
+	d_printf(4, NULL, "D: CTR[MIC]\n");
+	d_dump(4, NULL, &ax, 8);
+	d_printf(4, NULL, "D: CCM-MIC tag\n");
+	d_dump(4, NULL, mic, 8);
+	result = 8;
+error_cbc_crypt:
+	kfree(dst_buf);
+error_dst_buf:
+	d_fnend(3, NULL, "(tfm_cbc %p, tfm_aes %p, mic %p, "
+		"n %p, a %p, b %p, blen %zu)\n",
+		tfm_cbc, tfm_aes, mic, n, a, b, blen);
+	return result;
+}
+
+/*
+ * WUSB Pseudo Random Function (WUSB1.0[6.5])
+ *
+ * @b: buffer to the source data; cannot be a global or const local
+ *     (will confuse the scatterlists)
+ */
+ssize_t wusb_prf(void *out, size_t out_size,
+		 const u8 key[16], const struct aes_ccm_nonce *_n,
+		 const struct aes_ccm_label *a,
+		 const void *b, size_t blen, size_t len)
+{
+	ssize_t result, bytes = 0, bitr;
+	struct aes_ccm_nonce n = *_n;
+	struct crypto_blkcipher *tfm_cbc;
+	struct crypto_cipher *tfm_aes;
+	u64 sfn = 0;
+	__le64 sfn_le;
+
+	d_fnstart(3, NULL, "(out %p, out_size %zu, key %p, _n %p, "
+		  "a %p, b %p, blen %zu, len %zu)\n", out, out_size,
+		  key, _n, a, b, blen, len);
+
+	tfm_cbc = crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
+	if (IS_ERR(tfm_cbc)) {
+		result = PTR_ERR(tfm_cbc);
+		printk(KERN_ERR "E: can't load CBC(AES): %d\n", (int)result);
+		goto error_alloc_cbc;
+	}
+	result = crypto_blkcipher_setkey(tfm_cbc, key, 16);
+	if (result < 0) {
+		printk(KERN_ERR "E: can't set CBC key: %d\n", (int)result);
+		goto error_setkey_cbc;
+	}
+
+	tfm_aes = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
+	if (IS_ERR(tfm_aes)) {
+		result = PTR_ERR(tfm_aes);
+		printk(KERN_ERR "E: can't load AES: %d\n", (int)result);
+		goto error_alloc_aes;
+	}
+	result = crypto_cipher_setkey(tfm_aes, key, 16);
+	if (result < 0) {
+		printk(KERN_ERR "E: can't set AES key: %d\n", (int)result);
+		goto error_setkey_aes;
+	}
+
+	for (bitr = 0; bitr < (len + 63) / 64; bitr++) {
+		sfn_le = cpu_to_le64(sfn++);
+		memcpy(&n.sfn, &sfn_le, sizeof(n.sfn));	/* n.sfn++... */
+		result = wusb_ccm_mac(tfm_cbc, tfm_aes, out + bytes,
+				      &n, a, b, blen);
+		if (result < 0)
+			goto error_ccm_mac;
+		bytes += result;
+	}
+	result = bytes;
+error_ccm_mac:
+error_setkey_aes:
+	crypto_free_cipher(tfm_aes);
+error_alloc_aes:
+error_setkey_cbc:
+	crypto_free_blkcipher(tfm_cbc);
+error_alloc_cbc:
+	d_fnend(3, NULL, "(out %p, out_size %zu, key %p, _n %p, "
+		"a %p, b %p, blen %zu, len %zu) = %d\n", out, out_size,
+		key, _n, a, b, blen, len, (int)bytes);
+	return result;
+}
+
+/* WUSB1.0[A.2] test vectors */
+static const u8 stv_hsmic_key[16] = {
+	0x4b, 0x79, 0xa3, 0xcf, 0xe5, 0x53, 0x23, 0x9d,
+	0xd7, 0xc1, 0x6d, 0x1c, 0x2d, 0xab, 0x6d, 0x3f
+};
+
+static const struct aes_ccm_nonce stv_hsmic_n = {
+	.sfn = { 0 },
+	.tkid = { 0x76, 0x98, 0x01,  },
+	.dest_addr = { .data = { 0xbe, 0x00 } },
+		.src_addr = { .data = { 0x76, 0x98 } },
+};
+
+/*
+ * Out-of-band MIC Generation verification code
+ *
+ */
+static int wusb_oob_mic_verify(void)
+{
+	int result;
+	u8 mic[8];
+	/* WUSB1.0[A.2] test vectors
+	 *
+	 * Need to keep it in the local stack as GCC 4.1.3something
+	 * messes up and generates noise.
+	 */
+	struct usb_handshake stv_hsmic_hs = {
+		.bMessageNumber = 2,
+		.bStatus 	= 00,
+		.tTKID 		= { 0x76, 0x98, 0x01 },
+		.bReserved 	= 00,
+		.CDID 		= { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+				    0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
+				    0x3c, 0x3d, 0x3e, 0x3f },
+		.nonce	 	= { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
+				    0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
+				    0x2c, 0x2d, 0x2e, 0x2f },
+		.MIC	 	= { 0x75, 0x6a, 0x97, 0x51, 0x0c, 0x8c,
+				    0x14, 0x7b } ,
+	};
+	size_t hs_size;
+
+	result = wusb_oob_mic(mic, stv_hsmic_key, &stv_hsmic_n, &stv_hsmic_hs);
+	if (result < 0)
+		printk(KERN_ERR "E: WUSB OOB MIC test: failed: %d\n", result);
+	else if (memcmp(stv_hsmic_hs.MIC, mic, sizeof(mic))) {
+		printk(KERN_ERR "E: OOB MIC test: "
+		       "mismatch between MIC result and WUSB1.0[A2]\n");
+		hs_size = sizeof(stv_hsmic_hs) - sizeof(stv_hsmic_hs.MIC);
+		printk(KERN_ERR "E: Handshake2 in: (%zu bytes)\n", hs_size);
+		dump_bytes(NULL, &stv_hsmic_hs, hs_size);
+		printk(KERN_ERR "E: CCM Nonce in: (%zu bytes)\n",
+		       sizeof(stv_hsmic_n));
+		dump_bytes(NULL, &stv_hsmic_n, sizeof(stv_hsmic_n));
+		printk(KERN_ERR "E: MIC out:\n");
+		dump_bytes(NULL, mic, sizeof(mic));
+		printk(KERN_ERR "E: MIC out (from WUSB1.0[A.2]):\n");
+		dump_bytes(NULL, stv_hsmic_hs.MIC, sizeof(stv_hsmic_hs.MIC));
+		result = -EINVAL;
+	} else
+		result = 0;
+	return result;
+}
+
+/*
+ * Test vectors for Key derivation
+ *
+ * These come from WUSB1.0[6.5.1], the vectors in WUSB1.0[A.1]
+ * (errata corrected in 2005/07).
+ */
+static const u8 stv_key_a1[16] __attribute__ ((__aligned__(4))) = {
+	0xf0, 0xe1, 0xd2, 0xc3, 0xb4, 0xa5, 0x96, 0x87,
+	0x78, 0x69, 0x5a, 0x4b, 0x3c, 0x2d, 0x1e, 0x0f
+};
+
+static const struct aes_ccm_nonce stv_keydvt_n_a1 = {
+	.sfn = { 0 },
+	.tkid = { 0x76, 0x98, 0x01,  },
+	.dest_addr = { .data = { 0xbe, 0x00 } },
+	.src_addr = { .data = { 0x76, 0x98 } },
+};
+
+static const struct wusb_keydvt_out stv_keydvt_out_a1 = {
+	.kck = {
+		0x4b, 0x79, 0xa3, 0xcf, 0xe5, 0x53, 0x23, 0x9d,
+		0xd7, 0xc1, 0x6d, 0x1c, 0x2d, 0xab, 0x6d, 0x3f
+	},
+	.ptk = {
+		0xc8, 0x70, 0x62, 0x82, 0xb6, 0x7c, 0xe9, 0x06,
+		0x7b, 0xc5, 0x25, 0x69, 0xf2, 0x36, 0x61, 0x2d
+	}
+};
+
+/*
+ * Performa a test to make sure we match the vectors defined in
+ * WUSB1.0[A.1](Errata2006/12)
+ */
+static int wusb_key_derive_verify(void)
+{
+	int result = 0;
+	struct wusb_keydvt_out keydvt_out;
+	/* These come from WUSB1.0[A.1] + 2006/12 errata
+	 * NOTE: can't make this const or global -- somehow it seems
+	 *       the scatterlists for crypto get confused and we get
+	 *       bad data. There is no doc on this... */
+	struct wusb_keydvt_in stv_keydvt_in_a1 = {
+		.hnonce = {
+			0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+			0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
+		},
+		.dnonce = {
+			0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+			0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
+		}
+	};
+
+	result = wusb_key_derive(&keydvt_out, stv_key_a1, &stv_keydvt_n_a1,
+				 &stv_keydvt_in_a1);
+	if (result < 0)
+		printk(KERN_ERR "E: WUSB key derivation test: "
+		       "derivation failed: %d\n", result);
+	if (memcmp(&stv_keydvt_out_a1, &keydvt_out, sizeof(keydvt_out))) {
+		printk(KERN_ERR "E: WUSB key derivation test: "
+		       "mismatch between key derivation result "
+		       "and WUSB1.0[A1] Errata 2006/12\n");
+		printk(KERN_ERR "E: keydvt in: key (%zu bytes)\n",
+		       sizeof(stv_key_a1));
+		dump_bytes(NULL, stv_key_a1, sizeof(stv_key_a1));
+		printk(KERN_ERR "E: keydvt in: nonce (%zu bytes)\n",
+		       sizeof(stv_keydvt_n_a1));
+		dump_bytes(NULL, &stv_keydvt_n_a1, sizeof(stv_keydvt_n_a1));
+		printk(KERN_ERR "E: keydvt in: hnonce & dnonce (%zu bytes)\n",
+		       sizeof(stv_keydvt_in_a1));
+		dump_bytes(NULL, &stv_keydvt_in_a1, sizeof(stv_keydvt_in_a1));
+		printk(KERN_ERR "E: keydvt out: KCK\n");
+		dump_bytes(NULL, &keydvt_out.kck, sizeof(keydvt_out.kck));
+		printk(KERN_ERR "E: keydvt out: PTK\n");
+		dump_bytes(NULL, &keydvt_out.ptk, sizeof(keydvt_out.ptk));
+		result = -EINVAL;
+	} else
+		result = 0;
+	return result;
+}
+
+/*
+ * Initialize crypto system
+ *
+ * FIXME: we do nothing now, other than verifying. Later on we'll
+ * cache the encryption stuff, so that's why we have a separate init.
+ */
+int wusb_crypto_init(void)
+{
+	int result;
+
+	result = wusb_key_derive_verify();
+	if (result < 0)
+		return result;
+	return wusb_oob_mic_verify();
+}
+
+void wusb_crypto_exit(void)
+{
+	/* FIXME: free cached crypto transforms */
+}
diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c
new file mode 100644
index 00000000000..a101cad6a8d
--- /dev/null
+++ b/drivers/usb/wusbcore/security.c
@@ -0,0 +1,642 @@
+/*
+ * Wireless USB Host Controller
+ * Security support: encryption enablement, etc
+ *
+ * Copyright (C) 2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+#include <linux/types.h>
+#include <linux/usb/ch9.h>
+#include <linux/random.h>
+#include "wusbhc.h"
+
+/*
+ * DEBUG & SECURITY WARNING!!!!
+ *
+ * If you enable this past 1, the debug code will weaken the
+ * cryptographic safety of the system (on purpose, for debugging).
+ *
+ * Weaken means:
+ *   we print secret keys and intermediate values all the way,
+ */
+#undef D_LOCAL
+#define D_LOCAL 2
+#include <linux/uwb/debug.h>
+
+static void wusbhc_set_gtk_callback(struct urb *urb);
+static void wusbhc_gtk_rekey_done_work(struct work_struct *work);
+
+int wusbhc_sec_create(struct wusbhc *wusbhc)
+{
+	wusbhc->gtk.descr.bLength = sizeof(wusbhc->gtk.descr) + sizeof(wusbhc->gtk.data);
+	wusbhc->gtk.descr.bDescriptorType = USB_DT_KEY;
+	wusbhc->gtk.descr.bReserved = 0;
+
+	wusbhc->gtk_index = wusb_key_index(0, WUSB_KEY_INDEX_TYPE_GTK,
+					   WUSB_KEY_INDEX_ORIGINATOR_HOST);
+
+	INIT_WORK(&wusbhc->gtk_rekey_done_work, wusbhc_gtk_rekey_done_work);
+
+	return 0;
+}
+
+
+/* Called when the HC is destroyed */
+void wusbhc_sec_destroy(struct wusbhc *wusbhc)
+{
+}
+
+
+/**
+ * wusbhc_next_tkid - generate a new, currently unused, TKID
+ * @wusbhc:   the WUSB host controller
+ * @wusb_dev: the device whose PTK the TKID is for
+ *            (or NULL for a TKID for a GTK)
+ *
+ * The generated TKID consist of two parts: the device's authenicated
+ * address (or 0 or a GTK); and an incrementing number.  This ensures
+ * that TKIDs cannot be shared between devices and by the time the
+ * incrementing number wraps around the older TKIDs will no longer be
+ * in use (a maximum of two keys may be active at any one time).
+ */
+static u32 wusbhc_next_tkid(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+{
+	u32 *tkid;
+	u32 addr;
+
+	if (wusb_dev == NULL) {
+		tkid = &wusbhc->gtk_tkid;
+		addr = 0;
+	} else {
+		tkid = &wusb_port_by_idx(wusbhc, wusb_dev->port_idx)->ptk_tkid;
+		addr = wusb_dev->addr & 0x7f;
+	}
+
+	*tkid = (addr << 8) | ((*tkid + 1) & 0xff);
+
+	return *tkid;
+}
+
+static void wusbhc_generate_gtk(struct wusbhc *wusbhc)
+{
+	const size_t key_size = sizeof(wusbhc->gtk.data);
+	u32 tkid;
+
+	tkid = wusbhc_next_tkid(wusbhc, NULL);
+
+	wusbhc->gtk.descr.tTKID[0] = (tkid >>  0) & 0xff;
+	wusbhc->gtk.descr.tTKID[1] = (tkid >>  8) & 0xff;
+	wusbhc->gtk.descr.tTKID[2] = (tkid >> 16) & 0xff;
+
+	get_random_bytes(wusbhc->gtk.descr.bKeyData, key_size);
+}
+
+/**
+ * wusbhc_sec_start - start the security management process
+ * @wusbhc: the WUSB host controller
+ *
+ * Generate and set an initial GTK on the host controller.
+ *
+ * Called when the HC is started.
+ */
+int wusbhc_sec_start(struct wusbhc *wusbhc)
+{
+	const size_t key_size = sizeof(wusbhc->gtk.data);
+	int result;
+
+	wusbhc_generate_gtk(wusbhc);
+
+	result = wusbhc->set_gtk(wusbhc, wusbhc->gtk_tkid,
+				 &wusbhc->gtk.descr.bKeyData, key_size);
+	if (result < 0)
+		dev_err(wusbhc->dev, "cannot set GTK for the host: %d\n",
+			result);
+
+	return result;
+}
+
+/**
+ * wusbhc_sec_stop - stop the security management process
+ * @wusbhc: the WUSB host controller
+ *
+ * Wait for any pending GTK rekeys to stop.
+ */
+void wusbhc_sec_stop(struct wusbhc *wusbhc)
+{
+	cancel_work_sync(&wusbhc->gtk_rekey_done_work);
+}
+
+
+/** @returns encryption type name */
+const char *wusb_et_name(u8 x)
+{
+	switch (x) {
+	case USB_ENC_TYPE_UNSECURE:	return "unsecure";
+	case USB_ENC_TYPE_WIRED:	return "wired";
+	case USB_ENC_TYPE_CCM_1:	return "CCM-1";
+	case USB_ENC_TYPE_RSA_1:	return "RSA-1";
+	default: 			return "unknown";
+	}
+}
+EXPORT_SYMBOL_GPL(wusb_et_name);
+
+/*
+ * Set the device encryption method
+ *
+ * We tell the device which encryption method to use; we do this when
+ * setting up the device's security.
+ */
+static int wusb_dev_set_encryption(struct usb_device *usb_dev, int value)
+{
+	int result;
+	struct device *dev = &usb_dev->dev;
+	struct wusb_dev *wusb_dev = usb_dev->wusb_dev;
+
+	if (value) {
+		value = wusb_dev->ccm1_etd.bEncryptionValue;
+	} else {
+		/* FIXME: should be wusb_dev->etd[UNSECURE].bEncryptionValue */
+		value = 0;
+	}
+	/* Set device's */
+	result = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+			USB_REQ_SET_ENCRYPTION,
+			USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
+			value, 0, NULL, 0, 1000 /* FIXME: arbitrary */);
+	if (result < 0)
+		dev_err(dev, "Can't set device's WUSB encryption to "
+			"%s (value %d): %d\n",
+			wusb_et_name(wusb_dev->ccm1_etd.bEncryptionType),
+			wusb_dev->ccm1_etd.bEncryptionValue,  result);
+	return result;
+}
+
+/*
+ * Set the GTK to be used by a device.
+ *
+ * The device must be authenticated.
+ */
+static int wusb_dev_set_gtk(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+{
+	struct usb_device *usb_dev = wusb_dev->usb_dev;
+
+	return usb_control_msg(
+		usb_dev, usb_sndctrlpipe(usb_dev, 0),
+		USB_REQ_SET_DESCRIPTOR,
+		USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
+		USB_DT_KEY << 8 | wusbhc->gtk_index, 0,
+		&wusbhc->gtk.descr, wusbhc->gtk.descr.bLength,
+		1000);
+}
+
+
+/* FIXME: prototype for adding security */
+int wusb_dev_sec_add(struct wusbhc *wusbhc,
+		     struct usb_device *usb_dev, struct wusb_dev *wusb_dev)
+{
+	int result, bytes, secd_size;
+	struct device *dev = &usb_dev->dev;
+	struct usb_security_descriptor secd;
+	const struct usb_encryption_descriptor *etd, *ccm1_etd = NULL;
+	void *secd_buf;
+	const void *itr, *top;
+	char buf[64];
+
+	d_fnstart(3, dev, "(usb_dev %p, wusb_dev %p)\n", usb_dev, wusb_dev);
+	result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
+				    0, &secd, sizeof(secd));
+	if (result < sizeof(secd)) {
+		dev_err(dev, "Can't read security descriptor or "
+			"not enough data: %d\n", result);
+		goto error_secd;
+	}
+	secd_size = le16_to_cpu(secd.wTotalLength);
+	d_printf(5, dev, "got %d bytes of sec descriptor, total is %d\n",
+		 result, secd_size);
+	secd_buf = kmalloc(secd_size, GFP_KERNEL);
+	if (secd_buf == NULL) {
+		dev_err(dev, "Can't allocate space for security descriptors\n");
+		goto error_secd_alloc;
+	}
+	result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
+				    0, secd_buf, secd_size);
+	if (result < secd_size) {
+		dev_err(dev, "Can't read security descriptor or "
+			"not enough data: %d\n", result);
+		goto error_secd_all;
+	}
+	d_printf(5, dev, "got %d bytes of sec descriptors\n", result);
+	bytes = 0;
+	itr = secd_buf + sizeof(secd);
+	top = secd_buf + result;
+	while (itr < top) {
+		etd = itr;
+		if (top - itr < sizeof(*etd)) {
+			dev_err(dev, "BUG: bad device security descriptor; "
+				"not enough data (%zu vs %zu bytes left)\n",
+				top - itr, sizeof(*etd));
+			break;
+		}
+		if (etd->bLength < sizeof(*etd)) {
+			dev_err(dev, "BUG: bad device encryption descriptor; "
+				"descriptor is too short "
+				"(%u vs %zu needed)\n",
+				etd->bLength, sizeof(*etd));
+			break;
+		}
+		itr += etd->bLength;
+		bytes += snprintf(buf + bytes, sizeof(buf) - bytes,
+				  "%s (0x%02x/%02x) ",
+				  wusb_et_name(etd->bEncryptionType),
+				  etd->bEncryptionValue, etd->bAuthKeyIndex);
+		if (etd->bEncryptionType == USB_ENC_TYPE_CCM_1)
+			ccm1_etd = etd;
+	}
+	/* This code only supports CCM1 as of now. */
+	/* FIXME: user has to choose which sec mode to use?
+	 * In theory we want CCM */
+	if (ccm1_etd == NULL) {
+		dev_err(dev, "WUSB device doesn't support CCM1 encryption, "
+			"can't use!\n");
+		result = -EINVAL;
+		goto error_no_ccm1;
+	}
+	wusb_dev->ccm1_etd = *ccm1_etd;
+	dev_info(dev, "supported encryption: %s; using %s (0x%02x/%02x)\n",
+		 buf, wusb_et_name(ccm1_etd->bEncryptionType),
+		 ccm1_etd->bEncryptionValue, ccm1_etd->bAuthKeyIndex);
+	result = 0;
+	kfree(secd_buf);
+out:
+	d_fnend(3, dev, "(usb_dev %p, wusb_dev %p) = %d\n",
+		usb_dev, wusb_dev, result);
+	return result;
+
+
+error_no_ccm1:
+error_secd_all:
+	kfree(secd_buf);
+error_secd_alloc:
+error_secd:
+	goto out;
+}
+
+void wusb_dev_sec_rm(struct wusb_dev *wusb_dev)
+{
+	/* Nothing so far */
+}
+
+static void hs_printk(unsigned level, struct device *dev,
+		      struct usb_handshake *hs)
+{
+	d_printf(level, dev,
+		 "  bMessageNumber: %u\n"
+		 "  bStatus:        %u\n"
+		 "  tTKID:          %02x %02x %02x\n"
+		 "  CDID:           %02x %02x %02x %02x %02x %02x %02x %02x\n"
+		 "                  %02x %02x %02x %02x %02x %02x %02x %02x\n"
+		 "  nonce:          %02x %02x %02x %02x %02x %02x %02x %02x\n"
+		 "                  %02x %02x %02x %02x %02x %02x %02x %02x\n"
+		 "  MIC:            %02x %02x %02x %02x %02x %02x %02x %02x\n",
+		 hs->bMessageNumber, hs->bStatus,
+		 hs->tTKID[2], hs->tTKID[1], hs->tTKID[0],
+		 hs->CDID[0], hs->CDID[1], hs->CDID[2], hs->CDID[3],
+		 hs->CDID[4], hs->CDID[5], hs->CDID[6], hs->CDID[7],
+		 hs->CDID[8], hs->CDID[9], hs->CDID[10], hs->CDID[11],
+		 hs->CDID[12], hs->CDID[13], hs->CDID[14], hs->CDID[15],
+		 hs->nonce[0], hs->nonce[1], hs->nonce[2], hs->nonce[3],
+		 hs->nonce[4], hs->nonce[5], hs->nonce[6], hs->nonce[7],
+		 hs->nonce[8], hs->nonce[9], hs->nonce[10], hs->nonce[11],
+		 hs->nonce[12], hs->nonce[13], hs->nonce[14], hs->nonce[15],
+		 hs->MIC[0], hs->MIC[1], hs->MIC[2], hs->MIC[3],
+		 hs->MIC[4], hs->MIC[5], hs->MIC[6], hs->MIC[7]);
+}
+
+/**
+ * Update the address of an unauthenticated WUSB device
+ *
+ * Once we have successfully authenticated, we take it to addr0 state
+ * and then to a normal address.
+ *
+ * Before the device's address (as known by it) was usb_dev->devnum |
+ * 0x80 (unauthenticated address). With this we update it to usb_dev->devnum.
+ */
+static int wusb_dev_update_address(struct wusbhc *wusbhc,
+				   struct wusb_dev *wusb_dev)
+{
+	int result = -ENOMEM;
+	struct usb_device *usb_dev = wusb_dev->usb_dev;
+	struct device *dev = &usb_dev->dev;
+	u8 new_address = wusb_dev->addr & 0x7F;
+
+	/* Set address 0 */
+	result = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+				 USB_REQ_SET_ADDRESS, 0,
+				 0, 0, NULL, 0, 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "auth failed: can't set address 0: %d\n",
+			result);
+		goto error_addr0;
+	}
+	result = wusb_set_dev_addr(wusbhc, wusb_dev, 0);
+	if (result < 0)
+		goto error_addr0;
+	usb_ep0_reinit(usb_dev);
+
+	/* Set new (authenticated) address. */
+	result = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
+				 USB_REQ_SET_ADDRESS, 0,
+				 new_address, 0, NULL, 0,
+				 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "auth failed: can't set address %u: %d\n",
+			new_address, result);
+		goto error_addr;
+	}
+	result = wusb_set_dev_addr(wusbhc, wusb_dev, new_address);
+	if (result < 0)
+		goto error_addr;
+	usb_ep0_reinit(usb_dev);
+	usb_dev->authenticated = 1;
+error_addr:
+error_addr0:
+	return result;
+}
+
+/*
+ *
+ *
+ */
+/* FIXME: split and cleanup */
+int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
+			    struct wusb_ckhdid *ck)
+{
+	int result = -ENOMEM;
+	struct usb_device *usb_dev = wusb_dev->usb_dev;
+	struct device *dev = &usb_dev->dev;
+	u32 tkid;
+	__le32 tkid_le;
+	struct usb_handshake *hs;
+	struct aes_ccm_nonce ccm_n;
+	u8 mic[8];
+	struct wusb_keydvt_in keydvt_in;
+	struct wusb_keydvt_out keydvt_out;
+
+	hs = kzalloc(3*sizeof(hs[0]), GFP_KERNEL);
+	if (hs == NULL) {
+		dev_err(dev, "can't allocate handshake data\n");
+		goto error_kzalloc;
+	}
+
+	/* We need to turn encryption before beginning the 4way
+	 * hshake (WUSB1.0[.3.2.2]) */
+	result = wusb_dev_set_encryption(usb_dev, 1);
+	if (result < 0)
+		goto error_dev_set_encryption;
+
+	tkid = wusbhc_next_tkid(wusbhc, wusb_dev);
+	tkid_le = cpu_to_le32(tkid);
+
+	hs[0].bMessageNumber = 1;
+	hs[0].bStatus = 0;
+	memcpy(hs[0].tTKID, &tkid_le, sizeof(hs[0].tTKID));
+	hs[0].bReserved = 0;
+	memcpy(hs[0].CDID, &wusb_dev->cdid, sizeof(hs[0].CDID));
+	get_random_bytes(&hs[0].nonce, sizeof(hs[0].nonce));
+	memset(hs[0].MIC, 0, sizeof(hs[0].MIC));	/* Per WUSB1.0[T7-22] */
+
+	d_printf(1, dev, "I: sending hs1:\n");
+	hs_printk(2, dev, &hs[0]);
+
+	result = usb_control_msg(
+		usb_dev, usb_sndctrlpipe(usb_dev, 0),
+		USB_REQ_SET_HANDSHAKE,
+		USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
+		1, 0, &hs[0], sizeof(hs[0]), 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "Handshake1: request failed: %d\n", result);
+		goto error_hs1;
+	}
+
+	/* Handshake 2, from the device -- need to verify fields */
+	result = usb_control_msg(
+		usb_dev, usb_rcvctrlpipe(usb_dev, 0),
+		USB_REQ_GET_HANDSHAKE,
+		USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
+		2, 0, &hs[1], sizeof(hs[1]), 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "Handshake2: request failed: %d\n", result);
+		goto error_hs2;
+	}
+	d_printf(1, dev, "got HS2:\n");
+	hs_printk(2, dev, &hs[1]);
+
+	result = -EINVAL;
+	if (hs[1].bMessageNumber != 2) {
+		dev_err(dev, "Handshake2 failed: bad message number %u\n",
+			hs[1].bMessageNumber);
+		goto error_hs2;
+	}
+	if (hs[1].bStatus != 0) {
+		dev_err(dev, "Handshake2 failed: bad status %u\n",
+			hs[1].bStatus);
+		goto error_hs2;
+	}
+	if (memcmp(hs[0].tTKID, hs[1].tTKID, sizeof(hs[0].tTKID))) {
+		dev_err(dev, "Handshake2 failed: TKID mismatch "
+			"(#1 0x%02x%02x%02x vs #2 0x%02x%02x%02x)\n",
+			hs[0].tTKID[0], hs[0].tTKID[1], hs[0].tTKID[2],
+			hs[1].tTKID[0], hs[1].tTKID[1], hs[1].tTKID[2]);
+		goto error_hs2;
+	}
+	if (memcmp(hs[0].CDID, hs[1].CDID, sizeof(hs[0].CDID))) {
+		dev_err(dev, "Handshake2 failed: CDID mismatch\n");
+		goto error_hs2;
+	}
+
+	/* Setup the CCM nonce */
+	memset(&ccm_n.sfn, 0, sizeof(ccm_n.sfn));	/* Per WUSB1.0[6.5.2] */
+	memcpy(ccm_n.tkid, &tkid_le, sizeof(ccm_n.tkid));
+	ccm_n.src_addr = wusbhc->uwb_rc->uwb_dev.dev_addr;
+	ccm_n.dest_addr.data[0] = wusb_dev->addr;
+	ccm_n.dest_addr.data[1] = 0;
+
+	/* Derive the KCK and PTK from CK, the CCM, H and D nonces */
+	memcpy(keydvt_in.hnonce, hs[0].nonce, sizeof(keydvt_in.hnonce));
+	memcpy(keydvt_in.dnonce, hs[1].nonce, sizeof(keydvt_in.dnonce));
+	result = wusb_key_derive(&keydvt_out, ck->data, &ccm_n, &keydvt_in);
+	if (result < 0) {
+		dev_err(dev, "Handshake2 failed: cannot derive keys: %d\n",
+			result);
+		goto error_hs2;
+	}
+	d_printf(2, dev, "KCK:\n");
+	d_dump(2, dev, keydvt_out.kck, sizeof(keydvt_out.kck));
+	d_printf(2, dev, "PTK:\n");
+	d_dump(2, dev, keydvt_out.ptk, sizeof(keydvt_out.ptk));
+
+	/* Compute MIC and verify it */
+	result = wusb_oob_mic(mic, keydvt_out.kck, &ccm_n, &hs[1]);
+	if (result < 0) {
+		dev_err(dev, "Handshake2 failed: cannot compute MIC: %d\n",
+			result);
+		goto error_hs2;
+	}
+
+	d_printf(2, dev, "MIC:\n");
+	d_dump(2, dev, mic, sizeof(mic));
+	if (memcmp(hs[1].MIC, mic, sizeof(hs[1].MIC))) {
+		dev_err(dev, "Handshake2 failed: MIC mismatch\n");
+		goto error_hs2;
+	}
+
+	/* Send Handshake3 */
+	hs[2].bMessageNumber = 3;
+	hs[2].bStatus = 0;
+	memcpy(hs[2].tTKID, &tkid_le, sizeof(hs[2].tTKID));
+	hs[2].bReserved = 0;
+	memcpy(hs[2].CDID, &wusb_dev->cdid, sizeof(hs[2].CDID));
+	memcpy(hs[2].nonce, hs[0].nonce, sizeof(hs[2].nonce));
+	result = wusb_oob_mic(hs[2].MIC, keydvt_out.kck, &ccm_n, &hs[2]);
+	if (result < 0) {
+		dev_err(dev, "Handshake3 failed: cannot compute MIC: %d\n",
+			result);
+		goto error_hs2;
+	}
+
+	d_printf(1, dev, "I: sending hs3:\n");
+	hs_printk(2, dev, &hs[2]);
+
+	result = usb_control_msg(
+		usb_dev, usb_sndctrlpipe(usb_dev, 0),
+		USB_REQ_SET_HANDSHAKE,
+		USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
+		3, 0, &hs[2], sizeof(hs[2]), 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "Handshake3: request failed: %d\n", result);
+		goto error_hs3;
+	}
+
+	d_printf(1, dev, "I: turning on encryption on host for device\n");
+	d_dump(2, dev, keydvt_out.ptk, sizeof(keydvt_out.ptk));
+	result = wusbhc->set_ptk(wusbhc, wusb_dev->port_idx, tkid,
+				 keydvt_out.ptk, sizeof(keydvt_out.ptk));
+	if (result < 0)
+		goto error_wusbhc_set_ptk;
+
+	d_printf(1, dev, "I: setting a GTK\n");
+	result = wusb_dev_set_gtk(wusbhc, wusb_dev);
+	if (result < 0) {
+		dev_err(dev, "Set GTK for device: request failed: %d\n",
+			result);
+		goto error_wusbhc_set_gtk;
+	}
+
+	/* Update the device's address from unauth to auth */
+	if (usb_dev->authenticated == 0) {
+		d_printf(1, dev, "I: updating addres to auth from non-auth\n");
+		result = wusb_dev_update_address(wusbhc, wusb_dev);
+		if (result < 0)
+			goto error_dev_update_address;
+	}
+	result = 0;
+	d_printf(1, dev, "I: 4way handshke done, device authenticated\n");
+
+error_dev_update_address:
+error_wusbhc_set_gtk:
+error_wusbhc_set_ptk:
+error_hs3:
+error_hs2:
+error_hs1:
+	memset(hs, 0, 3*sizeof(hs[0]));
+	memset(&keydvt_out, 0, sizeof(keydvt_out));
+	memset(&keydvt_in, 0, sizeof(keydvt_in));
+	memset(&ccm_n, 0, sizeof(ccm_n));
+	memset(mic, 0, sizeof(mic));
+	if (result < 0) {
+		/* error path */
+		wusb_dev_set_encryption(usb_dev, 0);
+	}
+error_dev_set_encryption:
+	kfree(hs);
+error_kzalloc:
+	return result;
+}
+
+/*
+ * Once all connected and authenticated devices have received the new
+ * GTK, switch the host to using it.
+ */
+static void wusbhc_gtk_rekey_done_work(struct work_struct *work)
+{
+	struct wusbhc *wusbhc = container_of(work, struct wusbhc, gtk_rekey_done_work);
+	size_t key_size = sizeof(wusbhc->gtk.data);
+
+	mutex_lock(&wusbhc->mutex);
+
+	if (--wusbhc->pending_set_gtks == 0)
+		wusbhc->set_gtk(wusbhc, wusbhc->gtk_tkid, &wusbhc->gtk.descr.bKeyData, key_size);
+
+	mutex_unlock(&wusbhc->mutex);
+}
+
+static void wusbhc_set_gtk_callback(struct urb *urb)
+{
+	struct wusbhc *wusbhc = urb->context;
+
+	queue_work(wusbd, &wusbhc->gtk_rekey_done_work);
+}
+
+/**
+ * wusbhc_gtk_rekey - generate and distribute a new GTK
+ * @wusbhc: the WUSB host controller
+ *
+ * Generate a new GTK and distribute it to all connected and
+ * authenticated devices.  When all devices have the new GTK, the host
+ * starts using it.
+ *
+ * This must be called after every device disconnect (see [WUSB]
+ * section 6.2.11.2).
+ */
+void wusbhc_gtk_rekey(struct wusbhc *wusbhc)
+{
+	static const size_t key_size = sizeof(wusbhc->gtk.data);
+	int p;
+
+	wusbhc_generate_gtk(wusbhc);
+
+	for (p = 0; p < wusbhc->ports_max; p++) {
+		struct wusb_dev *wusb_dev;
+
+		wusb_dev = wusbhc->port[p].wusb_dev;
+		if (!wusb_dev || !wusb_dev->usb_dev | !wusb_dev->usb_dev->authenticated)
+			continue;
+
+		usb_fill_control_urb(wusb_dev->set_gtk_urb, wusb_dev->usb_dev,
+				     usb_sndctrlpipe(wusb_dev->usb_dev, 0),
+				     (void *)wusb_dev->set_gtk_req,
+				     &wusbhc->gtk.descr, wusbhc->gtk.descr.bLength,
+				     wusbhc_set_gtk_callback, wusbhc);
+		if (usb_submit_urb(wusb_dev->set_gtk_urb, GFP_KERNEL) == 0)
+			wusbhc->pending_set_gtks++;
+	}
+	if (wusbhc->pending_set_gtks == 0)
+		wusbhc->set_gtk(wusbhc, wusbhc->gtk_tkid, &wusbhc->gtk.descr.bKeyData, key_size);
+}
-- 
GitLab


From 470cc4150367d369bdc98ee04902b04baa2b2464 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 17 Sep 2008 16:34:26 +0100
Subject: [PATCH 0176/2224] wusb: add the Wireless USB core (build-system)

Add the WUSB build system (Kconfig and Kbuild) files.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/Kconfig           |  2 ++
 drivers/usb/Makefile          |  2 ++
 drivers/usb/wusbcore/Kconfig  | 17 +++++++++++++++++
 drivers/usb/wusbcore/Makefile | 12 ++++++++++++
 4 files changed, 33 insertions(+)
 create mode 100644 drivers/usb/wusbcore/Kconfig
 create mode 100644 drivers/usb/wusbcore/Makefile

diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index bcefbddeba5..c23a9857ee6 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -97,6 +97,8 @@ source "drivers/usb/core/Kconfig"
 
 source "drivers/usb/mon/Kconfig"
 
+source "drivers/usb/wusbcore/Kconfig"
+
 source "drivers/usb/host/Kconfig"
 
 source "drivers/usb/musb/Kconfig"
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index a419c42e880..19ede32f0df 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -19,6 +19,8 @@ obj-$(CONFIG_USB_R8A66597_HCD)	+= host/
 
 obj-$(CONFIG_USB_C67X00_HCD)	+= c67x00/
 
+obj-$(CONFIG_USB_WUSB)		+= wusbcore/
+
 obj-$(CONFIG_USB_ACM)		+= class/
 obj-$(CONFIG_USB_PRINTER)	+= class/
 
diff --git a/drivers/usb/wusbcore/Kconfig b/drivers/usb/wusbcore/Kconfig
new file mode 100644
index 00000000000..add077e5c5d
--- /dev/null
+++ b/drivers/usb/wusbcore/Kconfig
@@ -0,0 +1,17 @@
+#
+# Wireless USB Core configuration
+#
+config USB_WUSB
+	tristate "Enable Wireless USB extensions"
+	depends on USB
+        select UWB
+        select CRYPTO
+        select CRYPTO_BLKCIPHER
+        select CRYPTO_CBC
+        select CRYPTO_MANAGER
+        select CRYPTO_AES
+	help
+	  Enable the host-side support for Wireless USB.
+
+          To compile this support select Y (built in). It is safe to
+	  select even if you don't have the hardware.
diff --git a/drivers/usb/wusbcore/Makefile b/drivers/usb/wusbcore/Makefile
new file mode 100644
index 00000000000..ea1dbfca613
--- /dev/null
+++ b/drivers/usb/wusbcore/Makefile
@@ -0,0 +1,12 @@
+obj-$(CONFIG_USB_WUSB)		+= wusbcore.o
+
+wusbcore-objs := 	\
+	crypto.o	\
+	devconnect.o	\
+	dev-sysfs.o	\
+	mmc.o		\
+	pal.o		\
+	rh.o		\
+	reservation.o	\
+	security.o	\
+	wusbhc.o
-- 
GitLab


From 870d5395045bfe8e5213525152682c863a10f8d2 Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:27 +0100
Subject: [PATCH 0177/2224] wusb: add the USB wusb-cbaf driver

Add a driver for cable based associated of (Wireless) USB devices.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/Makefile |   4 +-
 drivers/usb/wusbcore/cbaf.c   | 620 ++++++++++++++++++++++++++++++++++
 2 files changed, 623 insertions(+), 1 deletion(-)
 create mode 100644 drivers/usb/wusbcore/cbaf.c

diff --git a/drivers/usb/wusbcore/Makefile b/drivers/usb/wusbcore/Makefile
index ea1dbfca613..6504f42ca36 100644
--- a/drivers/usb/wusbcore/Makefile
+++ b/drivers/usb/wusbcore/Makefile
@@ -1,4 +1,4 @@
-obj-$(CONFIG_USB_WUSB)		+= wusbcore.o
+obj-$(CONFIG_USB_WUSB)		+= wusbcore.o wusb-cbaf.o
 
 wusbcore-objs := 	\
 	crypto.o	\
@@ -10,3 +10,5 @@ wusbcore-objs := 	\
 	reservation.o	\
 	security.o	\
 	wusbhc.o
+
+wusb-cbaf-objs := cbaf.o
diff --git a/drivers/usb/wusbcore/cbaf.c b/drivers/usb/wusbcore/cbaf.c
new file mode 100644
index 00000000000..584eabe274b
--- /dev/null
+++ b/drivers/usb/wusbcore/cbaf.c
@@ -0,0 +1,620 @@
+/*
+ * Wireless USB - Cable Based Association
+ *
+ *
+ * Copyright (C) 2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * WUSB devices have to be paired (authenticated in WUSB lingo) so
+ * that they can connect to the system.
+ *
+ * One way of pairing is using CBA-Cable Based Authentication, devices
+ * that can connect via wired or wireless USB. First time you plug
+ * them with a cable, pairing is done between host and device and
+ * subsequent times, you can connect wirelessly without having to
+ * pair. That's the idea.
+ *
+ * This driver does nothing Earth shattering. It just provides an
+ * interface to chat with the wire-connected device so we can get a
+ * CDID (device ID) that might have been previously associated to a
+ * CHID (host ID) and to set up a new <CHID,CDID,CK> triplet
+ * (connection context), with the CK being the secret, or connection
+ * key. This is the pairing data.
+ *
+ * When a device with the CBA capability connects, the probe routine
+ * just creates a bunch of sysfs files that a user space enumeration
+ * manager uses to allow it to connect wirelessly to the system or not.
+ *
+ * The process goes like this:
+ *
+ * 1. device plugs, cbaf is loaded, notifications happen
+ *
+ * 2. the connection manager sees a device with CBAF capability (the
+ *    wusb_{host_info,cdid,cc} files are in /sys/device/blah/OURDEVICE).
+ *
+ * 3. CM (connection manager) writes the CHID (host ID) and a host
+ *    name into the wusb_host_info file. This gets sent to the device.
+ *
+ * 4. CM cats the wusb_cdid file; this asks the device if it has any
+ *    CDID associated to the CHDI we just wrote before. If it does, it
+ *    is printed, along with the device 'friendly name' and the band
+ *    groups the device supports.
+ *
+ * 5. CM looks up its database
+ *
+ * 5.1  If it has a matching CHID,CDID entry, the device has been
+ *      authorized before (paired). Now we can optionally ask the user
+ *      if he wants to allow the device to connect. Then we generate a
+ *      new CDID and CK, send it to the device and update the database
+ *      (writing to the wusb_cc file so they are uploaded to the device).
+ *
+ * 5.2  If the CDID is zero (or we didn't find a matching CDID in our
+ *      database), we assume the device is not known. We ask the user
+ *      if s/he wants to allow the device to be connected wirelessly
+ *      to the system. If nope, nothing else is done (FIXME: maybe
+ *      send a zero CDID to clean up our CHID?). If yes, we generate
+ *      random CDID and CKs (and write them to the wusb_cc file so
+ *      they are uploaded to the device).
+ *
+ * 6. device is unplugged
+ *
+ * When the device tries to connect wirelessly, it will present it's
+ * CDID to the WUSB host controller with ID CHID, which will query the
+ * database. If found, the host will (with a 4way handshake) challenge
+ * the device to demonstrate it has the CK secret key (from our
+ * database) without actually exchanging it. Once satisfied, crypto
+ * keys are derived from the CK, the device is connected and all
+ * communication is crypted.
+ *
+ *
+ * NOTES ABOUT THE IMPLEMENTATION
+ *
+ * The descriptors sent back and forth use this horrible format from
+ * hell on which each field is actually a field ID, field length and
+ * then the field itself. How stupid can that get, taking into account
+ * the structures are defined by the spec?? oh well.
+ *
+ *
+ * FIXME: we don't provide a way to tell the device the pairing failed
+ *        (ie: send a CC_DATA_FAIL). Should add some day.
+ */
+#include <linux/module.h>
+#include <linux/ctype.h>
+#include <linux/version.h>
+#include <linux/usb.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/random.h>
+#include <linux/mutex.h>
+#include <linux/uwb.h>
+#include <linux/usb/wusb.h>
+#include <linux/usb/association.h>
+
+#undef D_LOCAL
+#define D_LOCAL 6
+#include <linux/uwb/debug.h>
+
+/* An instance of a Cable-Based-Association-Framework device */
+struct cbaf {
+	struct usb_device *usb_dev;
+	struct usb_interface *usb_iface;
+	void *buffer;
+	size_t buffer_size;
+
+	struct wusb_ckhdid chid;/* Host Information */
+	char host_name[65];	/* max length:
+					Assoc Models Suplement 1.0[T4-7] */
+	u16 host_band_groups;
+
+	struct wusb_ckhdid cdid;/* Device Information */
+	char device_name[65];	/* max length:
+					Assoc Models Suplement 1.0[T4-7] */
+	u16 device_band_groups;
+	struct wusb_ckhdid ck;	/* Connection Key */
+};
+
+/*
+ * Verify that a CBAF USB-interface has what we need
+ *
+ * (like we care, we are going to fail the enumeration if not :)
+ *
+ * FIXME: ugly function, need to split
+ */
+static int cbaf_check(struct cbaf *cbaf)
+{
+	int result;
+	struct device *dev = &cbaf->usb_iface->dev;
+	struct wusb_cbaf_assoc_info *assoc_info;
+	struct wusb_cbaf_assoc_request *assoc_request;
+	size_t assoc_size;
+	void *itr, *top;
+	unsigned ar_index;
+	int ar_rhi_idx = -1, ar_assoc_idx = -1;
+
+	result = usb_control_msg(
+		cbaf->usb_dev, usb_rcvctrlpipe(cbaf->usb_dev, 0),
+		CBAF_REQ_GET_ASSOCIATION_INFORMATION,
+		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		0, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+		cbaf->buffer, cbaf->buffer_size, 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "cannot get available association types: %d\n",
+			result);
+		goto error_get_assoc_types;
+	}
+	assoc_info = cbaf->buffer;
+	if (result < sizeof(*assoc_info)) {
+		dev_err(dev, "not enough data to decode association info "
+			"header (%zu vs %zu bytes required)\n",
+			(size_t)result, sizeof(*assoc_info));
+		goto error_bad_header;
+	}
+	assoc_size = le16_to_cpu(assoc_info->Length);
+	if (result < assoc_size) {
+		dev_err(dev, "not enough data to decode association info "
+			"(%zu vs %zu bytes required)\n",
+			(size_t)assoc_size, sizeof(*assoc_info));
+		goto error_bad_data;
+	}
+	/*
+	 * From now on, we just verify, but won't error out unless we
+	 * don't find the AR_TYPE_WUSB_{RETRIEVE_HOST_INFO,ASSOCIATE}
+	 * types.
+	 */
+	ar_index = 0;
+	itr = cbaf->buffer + sizeof(*assoc_info);
+	top = cbaf->buffer + assoc_size;
+	d_printf(1, dev, "Found %u association requests (%zu bytes)\n",
+		 assoc_info->NumAssociationRequests, assoc_size);
+	while (itr < top) {
+		u16 ar_type, ar_subtype;
+		u32 ar_size;
+		const char *ar_name;
+
+		assoc_request = itr;
+		if (top - itr < sizeof(*assoc_request)) {
+			dev_err(dev, "not enough data to decode associaton "
+				"request (%zu vs %zu bytes needed)\n",
+				top - itr, sizeof(*assoc_request));
+			break;
+		}
+		ar_type = le16_to_cpu(assoc_request->AssociationTypeId);
+		ar_subtype = le16_to_cpu(assoc_request->AssociationSubTypeId);
+		ar_size = le32_to_cpu(assoc_request->AssociationTypeInfoSize);
+		switch (ar_type) {
+		case AR_TYPE_WUSB:
+			/* Verify we have what is mandated by AMS1.0 */
+			switch (ar_subtype) {
+			case AR_TYPE_WUSB_RETRIEVE_HOST_INFO:
+				ar_name = "retrieve_host_info";
+				ar_rhi_idx = ar_index;
+				break;
+			case AR_TYPE_WUSB_ASSOCIATE:
+				/* send assoc data */
+				ar_name = "associate";
+				ar_assoc_idx = ar_index;
+				break;
+			default:
+				ar_name = "unknown";
+			};
+			break;
+		default:
+			ar_name = "unknown";
+		};
+		d_printf(1, dev, "association request #%02u: 0x%04x/%04x "
+			 "(%zu bytes): %s\n",
+			 assoc_request->AssociationDataIndex, ar_type,
+			 ar_subtype, (size_t)ar_size, ar_name);
+
+		itr += sizeof(*assoc_request);
+		ar_index++;
+	}
+	if (ar_rhi_idx == -1) {
+		dev_err(dev, "Missing RETRIEVE_HOST_INFO association "
+			"request\n");
+		goto error_bad_reqs;
+	}
+	if (ar_assoc_idx == -1) {
+		dev_err(dev, "Missing ASSOCIATE association request\n");
+		goto error_bad_reqs;
+	}
+	return 0;
+
+error_bad_header:
+error_bad_data:
+error_bad_reqs:
+error_get_assoc_types:
+	return -EINVAL;
+}
+
+static const struct wusb_cbaf_host_info cbaf_host_info_defaults = {
+	.AssociationTypeId_hdr    = WUSB_AR_AssociationTypeId,
+	.AssociationTypeId    	  = cpu_to_le16(AR_TYPE_WUSB),
+	.AssociationSubTypeId_hdr = WUSB_AR_AssociationSubTypeId,
+	.AssociationSubTypeId = cpu_to_le16(AR_TYPE_WUSB_RETRIEVE_HOST_INFO),
+	.CHID_hdr                 = WUSB_AR_CHID,
+	.LangID_hdr               = WUSB_AR_LangID,
+	.HostFriendlyName_hdr     = WUSB_AR_HostFriendlyName,
+};
+
+/* Send WUSB host information (CHID and name) to a CBAF device */
+static int cbaf_send_host_info(struct cbaf *cbaf)
+{
+	struct wusb_cbaf_host_info *hi;
+	size_t hi_size;
+
+	hi = cbaf->buffer;
+	memset(hi, 0, sizeof(*hi));
+	*hi = cbaf_host_info_defaults;
+	hi->CHID = cbaf->chid;
+	hi->LangID = 0;	/* FIXME: I guess... */
+	strncpy(hi->HostFriendlyName, cbaf->host_name,
+		hi->HostFriendlyName_hdr.len);
+	hi->HostFriendlyName_hdr.len =
+				cpu_to_le16(strlen(hi->HostFriendlyName));
+	hi_size = sizeof(*hi) + strlen(hi->HostFriendlyName);
+	return usb_control_msg(cbaf->usb_dev, usb_sndctrlpipe(cbaf->usb_dev, 0),
+			CBAF_REQ_SET_ASSOCIATION_RESPONSE,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			0x0101,
+			cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+			hi, hi_size, 1000 /* FIXME: arbitrary */);
+}
+
+/* Show current CHID info we have set from user space */
+static ssize_t cbaf_wusb_host_info_show(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+	char pr_chid[WUSB_CKHDID_STRSIZE];
+
+	ckhdid_printf(pr_chid, sizeof(pr_chid), &cbaf->chid);
+	return scnprintf(buf, PAGE_SIZE, "CHID: %s\nName: %s\n",
+			 pr_chid, cbaf->host_name);
+}
+
+/*
+ * Get a host info CHID from user space and send it to the device.
+ *
+ * The user can recover a CC from the device associated to that CHID
+ * by cat'ing wusb_connection_context.
+ */
+static ssize_t cbaf_wusb_host_info_store(struct device *dev,
+					 struct device_attribute *attr,
+					 const char *buf, size_t size)
+{
+	ssize_t result;
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+
+	result = sscanf(buf,
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%04hx %64s\n",
+			&cbaf->chid.data[0] , &cbaf->chid.data[1],
+			&cbaf->chid.data[2] , &cbaf->chid.data[3],
+			&cbaf->chid.data[4] , &cbaf->chid.data[5],
+			&cbaf->chid.data[6] , &cbaf->chid.data[7],
+			&cbaf->chid.data[8] , &cbaf->chid.data[9],
+			&cbaf->chid.data[10], &cbaf->chid.data[11],
+			&cbaf->chid.data[12], &cbaf->chid.data[13],
+			&cbaf->chid.data[14], &cbaf->chid.data[15],
+			&cbaf->host_band_groups, cbaf->host_name);
+	if (result != 18) {
+		dev_err(dev, "Unrecognized CHID (need 16 8-bit hex digits, "
+			"a 16 bit hex band group mask "
+			"and a host name, got only %d)\n", (int)result);
+		return -EINVAL;
+	}
+	result = cbaf_send_host_info(cbaf);
+	if (result < 0)
+		dev_err(dev, "Couldn't send host information to device: %d\n",
+			(int)result);
+	else
+		d_printf(1, dev, "HI sent, wusb_cc can be read now\n");
+	return result < 0 ? result : size;
+}
+static DEVICE_ATTR(wusb_host_info, 0600, cbaf_wusb_host_info_show,
+					 cbaf_wusb_host_info_store);
+
+static const struct wusb_cbaf_device_info cbaf_device_info_defaults = {
+	.Length_hdr               = WUSB_AR_Length,
+	.CDID_hdr                 = WUSB_AR_CDID,
+	.BandGroups_hdr           = WUSB_AR_BandGroups,
+	.LangID_hdr               = WUSB_AR_LangID,
+	.DeviceFriendlyName_hdr   = WUSB_AR_DeviceFriendlyName,
+};
+
+/*
+ * Get device's information (CDID) associated to CHID
+ *
+ * The device will return it's information (CDID, name, bandgroups)
+ * associated to the CHID we have set before, or 0 CDID and default
+ * name and bandgroup if no CHID set or unknown.
+ */
+static int cbaf_cdid_get(struct cbaf *cbaf)
+{
+	int result;
+	struct device *dev = &cbaf->usb_iface->dev;
+	struct wusb_cbaf_device_info *di;
+	size_t needed, dev_name_size;
+
+	di = cbaf->buffer;
+	result = usb_control_msg(
+		cbaf->usb_dev, usb_rcvctrlpipe(cbaf->usb_dev, 0),
+		CBAF_REQ_GET_ASSOCIATION_REQUEST,
+		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		0x0200, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+		di, cbaf->buffer_size, 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "Cannot request device information: %d\n", result);
+		goto error_req_di;
+	}
+	needed = result < sizeof(*di) ? sizeof(*di) : le32_to_cpu(di->Length);
+	if (result < needed) {
+		dev_err(dev, "Not enough data in DEVICE_INFO reply (%zu vs "
+			"%zu bytes needed)\n", (size_t)result, needed);
+		goto error_bad_di;
+	}
+	cbaf->cdid = di->CDID;
+	dev_name_size = le16_to_cpu(di->DeviceFriendlyName_hdr.len);
+	dev_name_size = dev_name_size > 65 - 1 ? 65 - 1 : dev_name_size;
+	memcpy(cbaf->device_name, di->DeviceFriendlyName, dev_name_size);
+	cbaf->device_name[dev_name_size] = 0;
+	cbaf->device_band_groups = le16_to_cpu(di->BandGroups);
+	result = 0;
+error_req_di:
+error_bad_di:
+	return result;
+}
+
+/*
+ * Get device information and print it to sysfs
+ *
+ * See cbaf_cdid_get()
+ */
+static ssize_t cbaf_wusb_cdid_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	ssize_t result;
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+	char pr_cdid[WUSB_CKHDID_STRSIZE];
+
+	result = cbaf_cdid_get(cbaf);
+	if (result < 0) {
+		dev_err(dev, "Cannot read device information: %d\n",
+			(int)result);
+		goto error_get_di;
+	}
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &cbaf->cdid);
+	result = scnprintf(buf, PAGE_SIZE,
+			   "CDID: %s\nName: %s\nBand_groups: 0x%04x\n",
+			   pr_cdid, cbaf->device_name,
+			   cbaf->device_band_groups);
+error_get_di:
+	return result;
+}
+static DEVICE_ATTR(wusb_cdid, 0600, cbaf_wusb_cdid_show, NULL);
+
+static const struct wusb_cbaf_cc_data cbaf_cc_data_defaults = {
+	.AssociationTypeId_hdr    = WUSB_AR_AssociationTypeId,
+	.AssociationTypeId    	  = cpu_to_le16(AR_TYPE_WUSB),
+	.AssociationSubTypeId_hdr = WUSB_AR_AssociationSubTypeId,
+	.AssociationSubTypeId     = cpu_to_le16(AR_TYPE_WUSB_ASSOCIATE),
+	.Length_hdr               = WUSB_AR_Length,
+	.Length               	  = cpu_to_le32(sizeof(struct wusb_cbaf_cc_data)),
+	.ConnectionContext_hdr    = WUSB_AR_ConnectionContext,
+	.BandGroups_hdr           = WUSB_AR_BandGroups,
+};
+
+static const struct wusb_cbaf_cc_data_fail cbaf_cc_data_fail_defaults = {
+	.AssociationTypeId_hdr    = WUSB_AR_AssociationTypeId,
+	.AssociationSubTypeId_hdr = WUSB_AR_AssociationSubTypeId,
+	.Length_hdr               = WUSB_AR_Length,
+	.AssociationStatus_hdr    = WUSB_AR_AssociationStatus,
+};
+
+/*
+ * Send a new CC to the device
+ *
+ * So we update the CK and send the whole thing to the device
+ */
+static int cbaf_cc_upload(struct cbaf *cbaf)
+{
+	int result;
+	struct device *dev = &cbaf->usb_iface->dev;
+	struct wusb_cbaf_cc_data *ccd;
+	char pr_cdid[WUSB_CKHDID_STRSIZE];
+
+	ccd =  cbaf->buffer;
+	*ccd = cbaf_cc_data_defaults;
+	ccd->CHID = cbaf->chid;
+	ccd->CDID = cbaf->cdid;
+	ccd->CK = cbaf->ck;
+	ccd->BandGroups = cpu_to_le16(cbaf->host_band_groups);
+	result = usb_control_msg(
+		cbaf->usb_dev, usb_sndctrlpipe(cbaf->usb_dev, 0),
+		CBAF_REQ_SET_ASSOCIATION_RESPONSE,
+		USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		0x0201, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+		ccd, sizeof(*ccd), 1000 /* FIXME: arbitrary */);
+	d_printf(1, dev, "Uploaded CC:\n");
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CHID);
+	d_printf(1, dev, "  CHID       %s\n", pr_cdid);
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CDID);
+	d_printf(1, dev, "  CDID       %s\n", pr_cdid);
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CK);
+	d_printf(1, dev, "  CK         %s\n", pr_cdid);
+	d_printf(1, dev, "  bandgroups 0x%04x\n", cbaf->host_band_groups);
+	return result;
+}
+
+/*
+ * Send a new CC to the device
+ *
+ * We take the CDID and CK from user space, the rest from the info we
+ * set with host_info.
+ */
+static ssize_t cbaf_wusb_cc_store(struct device *dev,
+				  struct device_attribute *attr,
+				  const char *buf, size_t size)
+{
+	ssize_t result;
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+
+	result = sscanf(buf,
+			"CDID: %02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx\n"
+			"CK: %02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx\n",
+			&cbaf->cdid.data[0] , &cbaf->cdid.data[1],
+			&cbaf->cdid.data[2] , &cbaf->cdid.data[3],
+			&cbaf->cdid.data[4] , &cbaf->cdid.data[5],
+			&cbaf->cdid.data[6] , &cbaf->cdid.data[7],
+			&cbaf->cdid.data[8] , &cbaf->cdid.data[9],
+			&cbaf->cdid.data[10], &cbaf->cdid.data[11],
+			&cbaf->cdid.data[12], &cbaf->cdid.data[13],
+			&cbaf->cdid.data[14], &cbaf->cdid.data[15],
+
+			&cbaf->ck.data[0] , &cbaf->ck.data[1],
+			&cbaf->ck.data[2] , &cbaf->ck.data[3],
+			&cbaf->ck.data[4] , &cbaf->ck.data[5],
+			&cbaf->ck.data[6] , &cbaf->ck.data[7],
+			&cbaf->ck.data[8] , &cbaf->ck.data[9],
+			&cbaf->ck.data[10], &cbaf->ck.data[11],
+			&cbaf->ck.data[12], &cbaf->ck.data[13],
+			&cbaf->ck.data[14], &cbaf->ck.data[15]);
+	if (result != 32) {
+		dev_err(dev, "Unrecognized CHID/CK (need 32 8-bit "
+			"hex digits, got only %d)\n", (int)result);
+		return -EINVAL;
+	}
+	result = cbaf_cc_upload(cbaf);
+	if (result < 0)
+		dev_err(dev, "Couldn't upload connection context: %d\n",
+			(int)result);
+	else
+		d_printf(1, dev, "Connection context uploaded\n");
+	return result < 0 ? result : size;
+}
+static DEVICE_ATTR(wusb_cc, 0600, NULL, cbaf_wusb_cc_store);
+
+static struct attribute *cbaf_dev_attrs[] = {
+	&dev_attr_wusb_host_info.attr,
+	&dev_attr_wusb_cdid.attr,
+	&dev_attr_wusb_cc.attr,
+	NULL,
+};
+
+static struct attribute_group cbaf_dev_attr_group = {
+	.name = NULL,	/* we want them in the same directory */
+	.attrs = cbaf_dev_attrs,
+};
+
+static int cbaf_probe(struct usb_interface *iface,
+		      const struct usb_device_id *id)
+{
+	int result;
+	struct cbaf *cbaf;
+	struct device *dev = &iface->dev;
+
+	result = -ENOMEM;
+	cbaf = kzalloc(sizeof(*cbaf), GFP_KERNEL);
+	if (cbaf == NULL) {
+		dev_err(dev, "Unable to allocate instance\n");
+		goto error_kzalloc;
+	}
+	cbaf->buffer = kmalloc(512, GFP_KERNEL);
+	if (cbaf->buffer == NULL)
+		goto error_kmalloc_buffer;
+	cbaf->buffer_size = 512;
+	cbaf->usb_dev = usb_get_dev(interface_to_usbdev(iface));
+	cbaf->usb_iface = usb_get_intf(iface);
+	result = cbaf_check(cbaf);
+	if (result < 0)
+		goto error_check;
+	result = sysfs_create_group(&dev->kobj, &cbaf_dev_attr_group);
+	if (result < 0) {
+		dev_err(dev, "Can't register sysfs attr group: %d\n", result);
+		goto error_create_group;
+	}
+	usb_set_intfdata(iface, cbaf);
+	d_printf(2, dev, "CBA attached\n");
+	return 0;
+
+error_create_group:
+error_check:
+	kfree(cbaf->buffer);
+error_kmalloc_buffer:
+	kfree(cbaf);
+error_kzalloc:
+	return result;
+}
+
+static void cbaf_disconnect(struct usb_interface *iface)
+{
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+	struct device *dev = &iface->dev;
+	sysfs_remove_group(&dev->kobj, &cbaf_dev_attr_group);
+	usb_set_intfdata(iface, NULL);
+	usb_put_intf(iface);
+	kfree(cbaf->buffer);
+	/* paranoia: clean up crypto keys */
+	memset(cbaf, 0, sizeof(*cbaf));
+	kfree(cbaf);
+	d_printf(1, dev, "CBA detached\n");
+}
+
+static struct usb_device_id cbaf_id_table[] = {
+	{ USB_INTERFACE_INFO(0xef, 0x03, 0x01), },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, cbaf_id_table);
+
+static struct usb_driver cbaf_driver = {
+	.name =		"wusb-cbaf",
+	.id_table =	cbaf_id_table,
+	.probe =	cbaf_probe,
+	.disconnect =	cbaf_disconnect,
+};
+
+static int __init cbaf_driver_init(void)
+{
+	return usb_register(&cbaf_driver);
+}
+module_init(cbaf_driver_init);
+
+static void __exit cbaf_driver_exit(void)
+{
+	usb_deregister(&cbaf_driver);
+}
+module_exit(cbaf_driver_exit);
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Wireless USB Cable Based Association");
+MODULE_LICENSE("GPL");
-- 
GitLab


From 7e6133aa42920ea87ad9791a0fb2b95d1a23b8f9 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:28 +0100
Subject: [PATCH 0178/2224] wusb: WHCI host controller driver

A driver for Wireless USB host controllers that comply with the
Wireless Host Controller Interface (HCI) specification as published by
Intel.

The latest publically available version of the specification (0.95) is
supported (except for isochronous transfers).

Build fixes by Randy Dunlap <rdunlap@xenotime.net>

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/host/Kconfig        |  12 +
 drivers/usb/host/Makefile       |   2 +
 drivers/usb/host/whci/Kbuild    |  11 +
 drivers/usb/host/whci/asl.c     | 367 +++++++++++++++++++++
 drivers/usb/host/whci/hcd.c     | 339 +++++++++++++++++++
 drivers/usb/host/whci/hw.c      |  87 +++++
 drivers/usb/host/whci/init.c    | 188 +++++++++++
 drivers/usb/host/whci/int.c     |  95 ++++++
 drivers/usb/host/whci/pzl.c     | 398 ++++++++++++++++++++++
 drivers/usb/host/whci/qset.c    | 567 ++++++++++++++++++++++++++++++++
 drivers/usb/host/whci/whcd.h    | 197 +++++++++++
 drivers/usb/host/whci/whci-hc.h | 416 +++++++++++++++++++++++
 drivers/usb/host/whci/wusb.c    | 241 ++++++++++++++
 13 files changed, 2920 insertions(+)
 create mode 100644 drivers/usb/host/whci/Kbuild
 create mode 100644 drivers/usb/host/whci/asl.c
 create mode 100644 drivers/usb/host/whci/hcd.c
 create mode 100644 drivers/usb/host/whci/hw.c
 create mode 100644 drivers/usb/host/whci/init.c
 create mode 100644 drivers/usb/host/whci/int.c
 create mode 100644 drivers/usb/host/whci/pzl.c
 create mode 100644 drivers/usb/host/whci/qset.c
 create mode 100644 drivers/usb/host/whci/whcd.h
 create mode 100644 drivers/usb/host/whci/whci-hc.h
 create mode 100644 drivers/usb/host/whci/wusb.c

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 228797e54f9..d3ba351398e 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -305,3 +305,15 @@ config SUPERH_ON_CHIP_R8A66597
 	help
 	   This driver enables support for the on-chip R8A66597 in the
 	   SH7366 and SH7723 processors.
+
+config USB_WHCI_HCD
+	tristate "Wireless USB Host Controller Interface (WHCI) driver"
+	depends on PCI && USB
+	select USB_WUSB
+	select UWB_WHCI
+	help
+	  A driver for PCI-based Wireless USB Host Controllers that are
+	  compliant with the WHCI specification.
+
+	  To compile this driver a module, choose M here: the module
+	  will be called "whci-hcd".
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index f1edda2dcfd..c90cf865ccf 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -8,6 +8,8 @@ endif
 
 isp1760-objs := isp1760-hcd.o isp1760-if.o
 
+obj-$(CONFIG_USB_WHCI_HCD)	+= whci/
+
 obj-$(CONFIG_PCI)		+= pci-quirks.o
 
 obj-$(CONFIG_USB_EHCI_HCD)	+= ehci-hcd.o
diff --git a/drivers/usb/host/whci/Kbuild b/drivers/usb/host/whci/Kbuild
new file mode 100644
index 00000000000..26a3871ea0f
--- /dev/null
+++ b/drivers/usb/host/whci/Kbuild
@@ -0,0 +1,11 @@
+obj-$(CONFIG_USB_WHCI_HCD) += whci-hcd.o
+
+whci-hcd-y := \
+	asl.o	\
+	hcd.o 	\
+	hw.o	\
+	init.o	\
+	int.o	\
+	pzl.o	\
+	qset.o	\
+	wusb.o
diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
new file mode 100644
index 00000000000..4d7078e5057
--- /dev/null
+++ b/drivers/usb/host/whci/asl.c
@@ -0,0 +1,367 @@
+/*
+ * Wireless Host Controller (WHC) asynchronous schedule management.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/uwb/umc.h>
+#include <linux/usb.h>
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+#if D_LOCAL >= 4
+static void dump_asl(struct whc *whc, const char *tag)
+{
+	struct device *dev = &whc->umc->dev;
+	struct whc_qset *qset;
+
+	d_printf(4, dev, "ASL %s\n", tag);
+
+	list_for_each_entry(qset, &whc->async_list, list_node) {
+		dump_qset(qset, dev);
+	}
+}
+#else
+static inline void dump_asl(struct whc *whc, const char *tag)
+{
+}
+#endif
+
+
+static void qset_get_next_prev(struct whc *whc, struct whc_qset *qset,
+			       struct whc_qset **next, struct whc_qset **prev)
+{
+	struct list_head *n, *p;
+
+	BUG_ON(list_empty(&whc->async_list));
+
+	n = qset->list_node.next;
+	if (n == &whc->async_list)
+		n = n->next;
+	p = qset->list_node.prev;
+	if (p == &whc->async_list)
+		p = p->prev;
+
+	*next = container_of(n, struct whc_qset, list_node);
+	*prev = container_of(p, struct whc_qset, list_node);
+
+}
+
+static void asl_qset_insert_begin(struct whc *whc, struct whc_qset *qset)
+{
+	list_move(&qset->list_node, &whc->async_list);
+	qset->in_sw_list = true;
+}
+
+static void asl_qset_insert(struct whc *whc, struct whc_qset *qset)
+{
+	struct whc_qset *next, *prev;
+
+	qset_clear(whc, qset);
+
+	/* Link into ASL. */
+	qset_get_next_prev(whc, qset, &next, &prev);
+	whc_qset_set_link_ptr(&qset->qh.link, next->qset_dma);
+	whc_qset_set_link_ptr(&prev->qh.link, qset->qset_dma);
+	qset->in_hw_list = true;
+}
+
+static void asl_qset_remove(struct whc *whc, struct whc_qset *qset)
+{
+	struct whc_qset *prev, *next;
+
+	qset_get_next_prev(whc, qset, &next, &prev);
+
+	list_move(&qset->list_node, &whc->async_removed_list);
+	qset->in_sw_list = false;
+
+	/*
+	 * No more qsets in the ASL?  The caller must stop the ASL as
+	 * it's no longer valid.
+	 */
+	if (list_empty(&whc->async_list))
+		return;
+
+	/* Remove from ASL. */
+	whc_qset_set_link_ptr(&prev->qh.link, next->qset_dma);
+	qset->in_hw_list = false;
+}
+
+/**
+ * process_qset - process any recently inactivated or halted qTDs in a
+ * qset.
+ *
+ * After inactive qTDs are removed, new qTDs can be added if the
+ * urb queue still contains URBs.
+ *
+ * Returns any additional WUSBCMD bits for the ASL sync command (i.e.,
+ * WUSBCMD_ASYNC_QSET_RM if a halted qset was removed).
+ */
+static uint32_t process_qset(struct whc *whc, struct whc_qset *qset)
+{
+	enum whc_update update = 0;
+	uint32_t status = 0;
+
+	while (qset->ntds) {
+		struct whc_qtd *td;
+		int t;
+
+		t = qset->td_start;
+		td = &qset->qtd[qset->td_start];
+		status = le32_to_cpu(td->status);
+
+		/*
+		 * Nothing to do with a still active qTD.
+		 */
+		if (status & QTD_STS_ACTIVE)
+			break;
+
+		if (status & QTD_STS_HALTED) {
+			/* Ug, an error. */
+			process_halted_qtd(whc, qset, td);
+			goto done;
+		}
+
+		/* Mmm, a completed qTD. */
+		process_inactive_qtd(whc, qset, td);
+	}
+
+	update |= qset_add_qtds(whc, qset);
+
+done:
+	/*
+	 * Remove this qset from the ASL if requested, but only if has
+	 * no qTDs.
+	 */
+	if (qset->remove && qset->ntds == 0) {
+		asl_qset_remove(whc, qset);
+		update |= WHC_UPDATE_REMOVED;
+	}
+	return update;
+}
+
+void asl_start(struct whc *whc)
+{
+	struct whc_qset *qset;
+
+	qset = list_first_entry(&whc->async_list, struct whc_qset, list_node);
+
+	le_writeq(qset->qset_dma | QH_LINK_NTDS(8), whc->base + WUSBASYNCLISTADDR);
+
+	whc_write_wusbcmd(whc, WUSBCMD_ASYNC_EN, WUSBCMD_ASYNC_EN);
+	whci_wait_for(&whc->umc->dev, whc->base + WUSBSTS,
+		      WUSBSTS_ASYNC_SCHED, WUSBSTS_ASYNC_SCHED,
+		      1000, "start ASL");
+}
+
+void asl_stop(struct whc *whc)
+{
+	whc_write_wusbcmd(whc, WUSBCMD_ASYNC_EN, 0);
+	whci_wait_for(&whc->umc->dev, whc->base + WUSBSTS,
+		      WUSBSTS_ASYNC_SCHED, 0,
+		      1000, "stop ASL");
+}
+
+void asl_update(struct whc *whc, uint32_t wusbcmd)
+{
+	whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
+	wait_event(whc->async_list_wq,
+		   (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0);
+}
+
+/**
+ * scan_async_work - scan the ASL for qsets to process.
+ *
+ * Process each qset in the ASL in turn and then signal the WHC that
+ * the ASL has been updated.
+ *
+ * Then start, stop or update the asynchronous schedule as required.
+ */
+void scan_async_work(struct work_struct *work)
+{
+	struct whc *whc = container_of(work, struct whc, async_work);
+	struct whc_qset *qset, *t;
+	enum whc_update update = 0;
+
+	spin_lock_irq(&whc->lock);
+
+	dump_asl(whc, "before processing");
+
+	/*
+	 * Transerve the software list backwards so new qsets can be
+	 * safely inserted into the ASL without making it non-circular.
+	 */
+	list_for_each_entry_safe_reverse(qset, t, &whc->async_list, list_node) {
+		if (!qset->in_hw_list) {
+			asl_qset_insert(whc, qset);
+			update |= WHC_UPDATE_ADDED;
+		}
+
+		update |= process_qset(whc, qset);
+	}
+
+	dump_asl(whc, "after processing");
+
+	spin_unlock_irq(&whc->lock);
+
+	if (update) {
+		uint32_t wusbcmd = WUSBCMD_ASYNC_UPDATED | WUSBCMD_ASYNC_SYNCED_DB;
+		if (update & WHC_UPDATE_REMOVED)
+			wusbcmd |= WUSBCMD_ASYNC_QSET_RM;
+		asl_update(whc, wusbcmd);
+	}
+
+	/*
+	 * Now that the ASL is updated, complete the removal of any
+	 * removed qsets.
+	 */
+	spin_lock(&whc->lock);
+
+	list_for_each_entry_safe(qset, t, &whc->async_removed_list, list_node) {
+		qset_remove_complete(whc, qset);
+	}
+
+	spin_unlock(&whc->lock);
+}
+
+/**
+ * asl_urb_enqueue - queue an URB onto the asynchronous list (ASL).
+ * @whc: the WHCI host controller
+ * @urb: the URB to enqueue
+ * @mem_flags: flags for any memory allocations
+ *
+ * The qset for the endpoint is obtained and the urb queued on to it.
+ *
+ * Work is scheduled to update the hardware's view of the ASL.
+ */
+int asl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags)
+{
+	struct whc_qset *qset;
+	int err;
+	unsigned long flags;
+
+	spin_lock_irqsave(&whc->lock, flags);
+
+	qset = get_qset(whc, urb, GFP_ATOMIC);
+	if (qset == NULL)
+		err = -ENOMEM;
+	else
+		err = qset_add_urb(whc, qset, urb, GFP_ATOMIC);
+	if (!err) {
+		usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
+		if (!qset->in_sw_list)
+			asl_qset_insert_begin(whc, qset);
+	}
+
+	spin_unlock_irqrestore(&whc->lock, flags);
+
+	if (!err)
+		queue_work(whc->workqueue, &whc->async_work);
+
+	return 0;
+}
+
+/**
+ * asl_urb_dequeue - remove an URB (qset) from the async list.
+ * @whc: the WHCI host controller
+ * @urb: the URB to dequeue
+ * @status: the current status of the URB
+ *
+ * URBs that do yet have qTDs can simply be removed from the software
+ * queue, otherwise the qset must be removed from the ASL so the qTDs
+ * can be removed.
+ */
+int asl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
+{
+	struct whc_urb *wurb = urb->hcpriv;
+	struct whc_qset *qset = wurb->qset;
+	struct whc_std *std, *t;
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&whc->lock, flags);
+
+	ret = usb_hcd_check_unlink_urb(&whc->wusbhc.usb_hcd, urb, status);
+	if (ret < 0)
+		goto out;
+
+	list_for_each_entry_safe(std, t, &qset->stds, list_node) {
+		if (std->urb == urb)
+			qset_free_std(whc, std);
+		else
+			std->qtd = NULL; /* so this std is re-added when the qset is */
+	}
+
+	asl_qset_remove(whc, qset);
+	wurb->status = status;
+	wurb->is_async = true;
+	queue_work(whc->workqueue, &wurb->dequeue_work);
+
+out:
+	spin_unlock_irqrestore(&whc->lock, flags);
+
+	return ret;
+}
+
+/**
+ * asl_qset_delete - delete a qset from the ASL
+ */
+void asl_qset_delete(struct whc *whc, struct whc_qset *qset)
+{
+	qset->remove = 1;
+	queue_work(whc->workqueue, &whc->async_work);
+	qset_delete(whc, qset);
+}
+
+/**
+ * asl_init - initialize the asynchronous schedule list
+ *
+ * A dummy qset with no qTDs is added to the ASL to simplify removing
+ * qsets (no need to stop the ASL when the last qset is removed).
+ */
+int asl_init(struct whc *whc)
+{
+	struct whc_qset *qset;
+
+	qset = qset_alloc(whc, GFP_KERNEL);
+	if (qset == NULL)
+		return -ENOMEM;
+
+	asl_qset_insert_begin(whc, qset);
+	asl_qset_insert(whc, qset);
+
+	return 0;
+}
+
+/**
+ * asl_clean_up - free ASL resources
+ *
+ * The ASL is stopped and empty except for the dummy qset.
+ */
+void asl_clean_up(struct whc *whc)
+{
+	struct whc_qset *qset;
+
+	if (!list_empty(&whc->async_list)) {
+		qset = list_first_entry(&whc->async_list, struct whc_qset, list_node);
+		list_del(&qset->list_node);
+		qset_free(whc, qset);
+	}
+}
diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c
new file mode 100644
index 00000000000..ef3ad4dca94
--- /dev/null
+++ b/drivers/usb/host/whci/hcd.c
@@ -0,0 +1,339 @@
+/*
+ * Wireless Host Controller (WHC) driver.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/uwb/umc.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+/*
+ * One time initialization.
+ *
+ * Nothing to do here.
+ */
+static int whc_reset(struct usb_hcd *usb_hcd)
+{
+	return 0;
+}
+
+/*
+ * Start the wireless host controller.
+ *
+ * Start device notification.
+ *
+ * Put hc into run state, set DNTS parameters.
+ */
+static int whc_start(struct usb_hcd *usb_hcd)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	u8 bcid;
+	int ret;
+
+	mutex_lock(&wusbhc->mutex);
+
+	le_writel(WUSBINTR_GEN_CMD_DONE
+		  | WUSBINTR_HOST_ERR
+		  | WUSBINTR_ASYNC_SCHED_SYNCED
+		  | WUSBINTR_DNTS_INT
+		  | WUSBINTR_ERR_INT
+		  | WUSBINTR_INT,
+		  whc->base + WUSBINTR);
+
+	/* set cluster ID */
+	bcid = wusb_cluster_id_get();
+	ret = whc_set_cluster_id(whc, bcid);
+	if (ret < 0)
+		goto out;
+	wusbhc->cluster_id = bcid;
+
+	/* start HC */
+	whc_write_wusbcmd(whc, WUSBCMD_RUN, WUSBCMD_RUN);
+
+	usb_hcd->uses_new_polling = 1;
+	usb_hcd->poll_rh = 1;
+	usb_hcd->state = HC_STATE_RUNNING;
+
+out:
+	mutex_unlock(&wusbhc->mutex);
+	return ret;
+}
+
+
+/*
+ * Stop the wireless host controller.
+ *
+ * Stop device notification.
+ *
+ * Wait for pending transfer to stop? Put hc into stop state?
+ */
+static void whc_stop(struct usb_hcd *usb_hcd)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+
+	mutex_lock(&wusbhc->mutex);
+
+	wusbhc_stop(wusbhc);
+
+	/* stop HC */
+	le_writel(0, whc->base + WUSBINTR);
+	whc_write_wusbcmd(whc, WUSBCMD_RUN, 0);
+	whci_wait_for(&whc->umc->dev, whc->base + WUSBSTS,
+		      WUSBSTS_HCHALTED, WUSBSTS_HCHALTED,
+		      100, "HC to halt");
+
+	wusb_cluster_id_put(wusbhc->cluster_id);
+
+	mutex_unlock(&wusbhc->mutex);
+}
+
+static int whc_get_frame_number(struct usb_hcd *usb_hcd)
+{
+	/* Frame numbers are not applicable to WUSB. */
+	return -ENOSYS;
+}
+
+
+/*
+ * Queue an URB to the ASL or PZL
+ */
+static int whc_urb_enqueue(struct usb_hcd *usb_hcd, struct urb *urb,
+			   gfp_t mem_flags)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	int ret;
+
+	switch (usb_pipetype(urb->pipe)) {
+	case PIPE_INTERRUPT:
+		ret = pzl_urb_enqueue(whc, urb, mem_flags);
+		break;
+	case PIPE_ISOCHRONOUS:
+		dev_err(&whc->umc->dev, "isochronous transfers unsupported\n");
+		ret = -ENOTSUPP;
+		break;
+	case PIPE_CONTROL:
+	case PIPE_BULK:
+	default:
+		ret = asl_urb_enqueue(whc, urb, mem_flags);
+		break;
+	};
+
+	return ret;
+}
+
+/*
+ * Remove a queued URB from the ASL or PZL.
+ */
+static int whc_urb_dequeue(struct usb_hcd *usb_hcd, struct urb *urb, int status)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	int ret;
+
+	switch (usb_pipetype(urb->pipe)) {
+	case PIPE_INTERRUPT:
+		ret = pzl_urb_dequeue(whc, urb, status);
+		break;
+	case PIPE_ISOCHRONOUS:
+		ret = -ENOTSUPP;
+		break;
+	case PIPE_CONTROL:
+	case PIPE_BULK:
+	default:
+		ret = asl_urb_dequeue(whc, urb, status);
+		break;
+	};
+
+	return ret;
+}
+
+/*
+ * Wait for all URBs to the endpoint to be completed, then delete the
+ * qset.
+ */
+static void whc_endpoint_disable(struct usb_hcd *usb_hcd,
+				 struct usb_host_endpoint *ep)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	struct whc_qset *qset;
+
+	qset = ep->hcpriv;
+	if (qset) {
+		ep->hcpriv = NULL;
+		if (usb_endpoint_xfer_bulk(&ep->desc)
+		    || usb_endpoint_xfer_control(&ep->desc))
+			asl_qset_delete(whc, qset);
+		else
+			pzl_qset_delete(whc, qset);
+	}
+}
+
+static struct hc_driver whc_hc_driver = {
+	.description = "whci-hcd",
+	.product_desc = "Wireless host controller",
+	.hcd_priv_size = sizeof(struct whc) - sizeof(struct usb_hcd),
+	.irq = whc_int_handler,
+	.flags = HCD_USB2,
+
+	.reset = whc_reset,
+	.start = whc_start,
+	.stop = whc_stop,
+	.get_frame_number = whc_get_frame_number,
+	.urb_enqueue = whc_urb_enqueue,
+	.urb_dequeue = whc_urb_dequeue,
+	.endpoint_disable = whc_endpoint_disable,
+
+	.hub_status_data = wusbhc_rh_status_data,
+	.hub_control = wusbhc_rh_control,
+	.bus_suspend = wusbhc_rh_suspend,
+	.bus_resume = wusbhc_rh_resume,
+	.start_port_reset = wusbhc_rh_start_port_reset,
+};
+
+static int whc_probe(struct umc_dev *umc)
+{
+	int ret = -ENOMEM;
+	struct usb_hcd *usb_hcd;
+	struct wusbhc *wusbhc = NULL;
+	struct whc *whc = NULL;
+	struct device *dev = &umc->dev;
+
+	usb_hcd = usb_create_hcd(&whc_hc_driver, dev, "whci");
+	if (usb_hcd == NULL) {
+		dev_err(dev, "unable to create hcd\n");
+		goto error;
+	}
+
+	usb_hcd->wireless = 1;
+
+	wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	whc = wusbhc_to_whc(wusbhc);
+	whc->umc = umc;
+
+	ret = whc_init(whc);
+	if (ret)
+		goto error;
+
+	wusbhc->dev = dev;
+	wusbhc->uwb_rc = uwb_rc_get_by_grandpa(umc->dev.parent);
+	if (!wusbhc->uwb_rc) {
+		ret = -ENODEV;
+		dev_err(dev, "cannot get radio controller\n");
+		goto error;
+	}
+
+	if (whc->n_devices > USB_MAXCHILDREN) {
+		dev_warn(dev, "USB_MAXCHILDREN too low for WUSB adapter (%u ports)\n",
+			 whc->n_devices);
+		wusbhc->ports_max = USB_MAXCHILDREN;
+	} else
+		wusbhc->ports_max = whc->n_devices;
+	wusbhc->mmcies_max      = whc->n_mmc_ies;
+	wusbhc->start           = whc_wusbhc_start;
+	wusbhc->stop            = whc_wusbhc_stop;
+	wusbhc->mmcie_add       = whc_mmcie_add;
+	wusbhc->mmcie_rm        = whc_mmcie_rm;
+	wusbhc->dev_info_set    = whc_dev_info_set;
+	wusbhc->bwa_set         = whc_bwa_set;
+	wusbhc->set_num_dnts    = whc_set_num_dnts;
+	wusbhc->set_ptk         = whc_set_ptk;
+	wusbhc->set_gtk         = whc_set_gtk;
+
+	ret = wusbhc_create(wusbhc);
+	if (ret)
+		goto error_wusbhc_create;
+
+	ret = usb_add_hcd(usb_hcd, whc->umc->irq, IRQF_SHARED);
+	if (ret) {
+		dev_err(dev, "cannot add HCD: %d\n", ret);
+		goto error_usb_add_hcd;
+	}
+
+	ret = wusbhc_b_create(wusbhc);
+	if (ret) {
+		dev_err(dev, "WUSBHC phase B setup failed: %d\n", ret);
+		goto error_wusbhc_b_create;
+	}
+
+	return 0;
+
+error_wusbhc_b_create:
+	usb_remove_hcd(usb_hcd);
+error_usb_add_hcd:
+	wusbhc_destroy(wusbhc);
+error_wusbhc_create:
+	uwb_rc_put(wusbhc->uwb_rc);
+error:
+	whc_clean_up(whc);
+	if (usb_hcd)
+		usb_put_hcd(usb_hcd);
+	return ret;
+}
+
+
+static void whc_remove(struct umc_dev *umc)
+{
+	struct usb_hcd *usb_hcd = dev_get_drvdata(&umc->dev);
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+
+	if (usb_hcd) {
+		wusbhc_b_destroy(wusbhc);
+		usb_remove_hcd(usb_hcd);
+		wusbhc_destroy(wusbhc);
+		uwb_rc_put(wusbhc->uwb_rc);
+		whc_clean_up(whc);
+		usb_put_hcd(usb_hcd);
+	}
+}
+
+static struct umc_driver whci_hc_driver = {
+	.name =		"whci-hcd",
+	.cap_id =       UMC_CAP_ID_WHCI_WUSB_HC,
+	.probe =	whc_probe,
+	.remove =	whc_remove,
+};
+
+static int __init whci_hc_driver_init(void)
+{
+	return umc_driver_register(&whci_hc_driver);
+}
+module_init(whci_hc_driver_init);
+
+static void __exit whci_hc_driver_exit(void)
+{
+	umc_driver_unregister(&whci_hc_driver);
+}
+module_exit(whci_hc_driver_exit);
+
+/* PCI device ID's that we handle (so it gets loaded) */
+static struct pci_device_id whci_hcd_id_table[] = {
+	{ PCI_DEVICE_CLASS(PCI_CLASS_WIRELESS_WHCI, ~0) },
+	{ /* empty last entry */ }
+};
+MODULE_DEVICE_TABLE(pci, whci_hcd_id_table);
+
+MODULE_DESCRIPTION("WHCI Wireless USB host controller driver");
+MODULE_AUTHOR("Cambridge Silicon Radio Ltd.");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/host/whci/hw.c b/drivers/usb/host/whci/hw.c
new file mode 100644
index 00000000000..ac86e59c122
--- /dev/null
+++ b/drivers/usb/host/whci/hw.c
@@ -0,0 +1,87 @@
+/*
+ * Wireless Host Controller (WHC) hardware access helpers.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/uwb/umc.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+void whc_write_wusbcmd(struct whc *whc, u32 mask, u32 val)
+{
+	unsigned long flags;
+	u32 cmd;
+
+	spin_lock_irqsave(&whc->lock, flags);
+
+	cmd = le_readl(whc->base + WUSBCMD);
+	cmd = (cmd & ~mask) | val;
+	le_writel(cmd, whc->base + WUSBCMD);
+
+	spin_unlock_irqrestore(&whc->lock, flags);
+}
+
+/**
+ * whc_do_gencmd - start a generic command via the WUSBGENCMDSTS register
+ * @whc:    the WHCI HC
+ * @cmd:    command to start.
+ * @params: parameters for the command (the WUSBGENCMDPARAMS register value).
+ * @addr:   pointer to any data for the command (may be NULL).
+ * @len:    length of the data (if any).
+ */
+int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len)
+{
+	unsigned long flags;
+	dma_addr_t dma_addr;
+	int t;
+
+	mutex_lock(&whc->mutex);
+
+	/* Wait for previous command to complete. */
+	t = wait_event_timeout(whc->cmd_wq,
+			       (le_readl(whc->base + WUSBGENCMDSTS) & WUSBGENCMDSTS_ACTIVE) == 0,
+			       WHC_GENCMD_TIMEOUT_MS);
+	if (t == 0) {
+		dev_err(&whc->umc->dev, "generic command timeout (%04x/%04x)\n",
+			le_readl(whc->base + WUSBGENCMDSTS),
+			le_readl(whc->base + WUSBGENCMDPARAMS));
+		return -ETIMEDOUT;
+	}
+
+	if (addr) {
+		memcpy(whc->gen_cmd_buf, addr, len);
+		dma_addr = whc->gen_cmd_buf_dma;
+	} else
+		dma_addr = 0;
+
+	/* Poke registers to start cmd. */
+	spin_lock_irqsave(&whc->lock, flags);
+
+	le_writel(params, whc->base + WUSBGENCMDPARAMS);
+	le_writeq(dma_addr, whc->base + WUSBGENADDR);
+
+	le_writel(WUSBGENCMDSTS_ACTIVE | WUSBGENCMDSTS_IOC | cmd,
+		  whc->base + WUSBGENCMDSTS);
+
+	spin_unlock_irqrestore(&whc->lock, flags);
+
+	mutex_unlock(&whc->mutex);
+
+	return 0;
+}
diff --git a/drivers/usb/host/whci/init.c b/drivers/usb/host/whci/init.c
new file mode 100644
index 00000000000..34a783cb013
--- /dev/null
+++ b/drivers/usb/host/whci/init.c
@@ -0,0 +1,188 @@
+/*
+ * Wireless Host Controller (WHC) initialization.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/uwb/umc.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+/*
+ * Reset the host controller.
+ */
+static void whc_hw_reset(struct whc *whc)
+{
+	le_writel(WUSBCMD_WHCRESET, whc->base + WUSBCMD);
+	whci_wait_for(&whc->umc->dev, whc->base + WUSBCMD, WUSBCMD_WHCRESET, 0,
+		      100, "reset");
+}
+
+static void whc_hw_init_di_buf(struct whc *whc)
+{
+	int d;
+
+	/* Disable all entries in the Device Information buffer. */
+	for (d = 0; d < whc->n_devices; d++)
+		whc->di_buf[d].addr_sec_info = WHC_DI_DISABLE;
+
+	le_writeq(whc->di_buf_dma, whc->base + WUSBDEVICEINFOADDR);
+}
+
+static void whc_hw_init_dn_buf(struct whc *whc)
+{
+	/* Clear the Device Notification buffer to ensure the V (valid)
+	 * bits are clear.  */
+	memset(whc->dn_buf, 0, 4096);
+
+	le_writeq(whc->dn_buf_dma, whc->base + WUSBDNTSBUFADDR);
+}
+
+int whc_init(struct whc *whc)
+{
+	u32 whcsparams;
+	int ret, i;
+	resource_size_t start, len;
+
+	spin_lock_init(&whc->lock);
+	mutex_init(&whc->mutex);
+	init_waitqueue_head(&whc->cmd_wq);
+	init_waitqueue_head(&whc->async_list_wq);
+	init_waitqueue_head(&whc->periodic_list_wq);
+	whc->workqueue = create_singlethread_workqueue(dev_name(&whc->umc->dev));
+	if (whc->workqueue == NULL) {
+		ret = -ENOMEM;
+		goto error;
+	}
+	INIT_WORK(&whc->dn_work, whc_dn_work);
+
+	INIT_WORK(&whc->async_work, scan_async_work);
+	INIT_LIST_HEAD(&whc->async_list);
+	INIT_LIST_HEAD(&whc->async_removed_list);
+
+	INIT_WORK(&whc->periodic_work, scan_periodic_work);
+	for (i = 0; i < 5; i++)
+		INIT_LIST_HEAD(&whc->periodic_list[i]);
+	INIT_LIST_HEAD(&whc->periodic_removed_list);
+
+	/* Map HC registers. */
+	start = whc->umc->resource.start;
+	len   = whc->umc->resource.end - start + 1;
+	if (!request_mem_region(start, len, "whci-hc")) {
+		dev_err(&whc->umc->dev, "can't request HC region\n");
+		ret = -EBUSY;
+		goto error;
+	}
+	whc->base_phys = start;
+	whc->base = ioremap(start, len);
+	if (!whc->base) {
+		dev_err(&whc->umc->dev, "ioremap\n");
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	whc_hw_reset(whc);
+
+	/* Read maximum number of devices, keys and MMC IEs. */
+	whcsparams = le_readl(whc->base + WHCSPARAMS);
+	whc->n_devices = WHCSPARAMS_TO_N_DEVICES(whcsparams);
+	whc->n_keys    = WHCSPARAMS_TO_N_KEYS(whcsparams);
+	whc->n_mmc_ies = WHCSPARAMS_TO_N_MMC_IES(whcsparams);
+
+	dev_dbg(&whc->umc->dev, "N_DEVICES = %d, N_KEYS = %d, N_MMC_IES = %d\n",
+		whc->n_devices, whc->n_keys, whc->n_mmc_ies);
+
+	whc->qset_pool = dma_pool_create("qset", &whc->umc->dev,
+					 sizeof(struct whc_qset), 64, 0);
+	if (whc->qset_pool == NULL) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	ret = asl_init(whc);
+	if (ret < 0)
+		goto error;
+	ret = pzl_init(whc);
+	if (ret < 0)
+		goto error;
+
+	/* Allocate and initialize a buffer for generic commands, the
+	   Device Information buffer, and the Device Notification
+	   buffer. */
+
+	whc->gen_cmd_buf = dma_alloc_coherent(&whc->umc->dev, WHC_GEN_CMD_DATA_LEN,
+					      &whc->gen_cmd_buf_dma, GFP_KERNEL);
+	if (whc->gen_cmd_buf == NULL) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	whc->dn_buf = dma_alloc_coherent(&whc->umc->dev,
+					 sizeof(struct dn_buf_entry) * WHC_N_DN_ENTRIES,
+					 &whc->dn_buf_dma, GFP_KERNEL);
+	if (!whc->dn_buf) {
+		ret = -ENOMEM;
+		goto error;
+	}
+	whc_hw_init_dn_buf(whc);
+
+	whc->di_buf = dma_alloc_coherent(&whc->umc->dev,
+					 sizeof(struct di_buf_entry) * whc->n_devices,
+					 &whc->di_buf_dma, GFP_KERNEL);
+	if (!whc->di_buf) {
+		ret = -ENOMEM;
+		goto error;
+	}
+	whc_hw_init_di_buf(whc);
+
+	return 0;
+
+error:
+	whc_clean_up(whc);
+	return ret;
+}
+
+void whc_clean_up(struct whc *whc)
+{
+	resource_size_t len;
+
+	if (whc->di_buf)
+		dma_free_coherent(&whc->umc->dev, sizeof(struct di_buf_entry) * whc->n_devices,
+				  whc->di_buf, whc->di_buf_dma);
+	if (whc->dn_buf)
+		dma_free_coherent(&whc->umc->dev, sizeof(struct dn_buf_entry) * WHC_N_DN_ENTRIES,
+				  whc->dn_buf, whc->dn_buf_dma);
+	if (whc->gen_cmd_buf)
+		dma_free_coherent(&whc->umc->dev, WHC_GEN_CMD_DATA_LEN,
+				  whc->gen_cmd_buf, whc->gen_cmd_buf_dma);
+
+	pzl_clean_up(whc);
+	asl_clean_up(whc);
+
+	if (whc->qset_pool)
+		dma_pool_destroy(whc->qset_pool);
+
+	len   = whc->umc->resource.end - whc->umc->resource.start + 1;
+	if (whc->base)
+		iounmap(whc->base);
+	if (whc->base_phys)
+		release_mem_region(whc->base_phys, len);
+
+	if (whc->workqueue)
+		destroy_workqueue(whc->workqueue);
+}
diff --git a/drivers/usb/host/whci/int.c b/drivers/usb/host/whci/int.c
new file mode 100644
index 00000000000..fce01174aa9
--- /dev/null
+++ b/drivers/usb/host/whci/int.c
@@ -0,0 +1,95 @@
+/*
+ * Wireless Host Controller (WHC) interrupt handling.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/uwb/umc.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+static void transfer_done(struct whc *whc)
+{
+	queue_work(whc->workqueue, &whc->async_work);
+	queue_work(whc->workqueue, &whc->periodic_work);
+}
+
+irqreturn_t whc_int_handler(struct usb_hcd *hcd)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(hcd);
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	u32 sts;
+
+	sts = le_readl(whc->base + WUSBSTS);
+	if (!(sts & WUSBSTS_INT_MASK))
+		return IRQ_NONE;
+	le_writel(sts & WUSBSTS_INT_MASK, whc->base + WUSBSTS);
+
+	if (sts & WUSBSTS_GEN_CMD_DONE)
+		wake_up(&whc->cmd_wq);
+
+	if (sts & WUSBSTS_HOST_ERR)
+		dev_err(&whc->umc->dev, "FIXME: host system error\n");
+
+	if (sts & WUSBSTS_ASYNC_SCHED_SYNCED)
+		wake_up(&whc->async_list_wq);
+
+	if (sts & WUSBSTS_PERIODIC_SCHED_SYNCED)
+		wake_up(&whc->periodic_list_wq);
+
+	if (sts & WUSBSTS_DNTS_INT)
+		queue_work(whc->workqueue, &whc->dn_work);
+
+	/*
+	 * A transfer completed (see [WHCI] section 4.7.1.2 for when
+	 * this occurs).
+	 */
+	if (sts & (WUSBSTS_INT | WUSBSTS_ERR_INT))
+		transfer_done(whc);
+
+	return IRQ_HANDLED;
+}
+
+static int process_dn_buf(struct whc *whc)
+{
+	struct wusbhc *wusbhc = &whc->wusbhc;
+	struct dn_buf_entry *dn;
+	int processed = 0;
+
+	for (dn = whc->dn_buf; dn < whc->dn_buf + WHC_N_DN_ENTRIES; dn++) {
+		if (dn->status & WHC_DN_STATUS_VALID) {
+			wusbhc_handle_dn(wusbhc, dn->src_addr,
+					 (struct wusb_dn_hdr *)dn->dn_data,
+					 dn->msg_size);
+			dn->status &= ~WHC_DN_STATUS_VALID;
+			processed++;
+		}
+	}
+	return processed;
+}
+
+void whc_dn_work(struct work_struct *work)
+{
+	struct whc *whc = container_of(work, struct whc, dn_work);
+	int processed;
+
+	do {
+		processed = process_dn_buf(whc);
+	} while (processed);
+}
diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c
new file mode 100644
index 00000000000..8d62df0c330
--- /dev/null
+++ b/drivers/usb/host/whci/pzl.c
@@ -0,0 +1,398 @@
+/*
+ * Wireless Host Controller (WHC) periodic schedule management.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/uwb/umc.h>
+#include <linux/usb.h>
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+#if D_LOCAL >= 4
+static void dump_pzl(struct whc *whc, const char *tag)
+{
+	struct device *dev = &whc->umc->dev;
+	struct whc_qset *qset;
+	int period = 0;
+
+	d_printf(4, dev, "PZL %s\n", tag);
+
+	for (period = 0; period < 5; period++) {
+		d_printf(4, dev, "Period %d\n", period);
+		list_for_each_entry(qset, &whc->periodic_list[period], list_node) {
+			dump_qset(qset, dev);
+		}
+	}
+}
+#else
+static inline void dump_pzl(struct whc *whc, const char *tag)
+{
+}
+#endif
+
+static void update_pzl_pointers(struct whc *whc, int period, u64 addr)
+{
+	switch (period) {
+	case 0:
+		whc_qset_set_link_ptr(&whc->pz_list[0], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[2], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[4], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[6], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[8], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[10], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[12], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[14], addr);
+		break;
+	case 1:
+		whc_qset_set_link_ptr(&whc->pz_list[1], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[5], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[9], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[13], addr);
+		break;
+	case 2:
+		whc_qset_set_link_ptr(&whc->pz_list[3], addr);
+		whc_qset_set_link_ptr(&whc->pz_list[11], addr);
+		break;
+	case 3:
+		whc_qset_set_link_ptr(&whc->pz_list[7], addr);
+		break;
+	case 4:
+		whc_qset_set_link_ptr(&whc->pz_list[15], addr);
+		break;
+	}
+}
+
+/*
+ * Return the 'period' to use for this qset.  The minimum interval for
+ * the endpoint is used so whatever urbs are submitted the device is
+ * polled often enough.
+ */
+static int qset_get_period(struct whc *whc, struct whc_qset *qset)
+{
+	uint8_t bInterval = qset->ep->desc.bInterval;
+
+	if (bInterval < 6)
+		bInterval = 6;
+	if (bInterval > 10)
+		bInterval = 10;
+	return bInterval - 6;
+}
+
+static void qset_insert_in_sw_list(struct whc *whc, struct whc_qset *qset)
+{
+	int period;
+
+	period = qset_get_period(whc, qset);
+
+	qset_clear(whc, qset);
+	list_move(&qset->list_node, &whc->periodic_list[period]);
+	qset->in_sw_list = true;
+}
+
+static void pzl_qset_remove(struct whc *whc, struct whc_qset *qset)
+{
+	list_move(&qset->list_node, &whc->periodic_removed_list);
+	qset->in_hw_list = false;
+	qset->in_sw_list = false;
+}
+
+/**
+ * pzl_process_qset - process any recently inactivated or halted qTDs
+ * in a qset.
+ *
+ * After inactive qTDs are removed, new qTDs can be added if the
+ * urb queue still contains URBs.
+ *
+ * Returns the schedule updates required.
+ */
+static enum whc_update pzl_process_qset(struct whc *whc, struct whc_qset *qset)
+{
+	enum whc_update update = 0;
+	uint32_t status = 0;
+
+	while (qset->ntds) {
+		struct whc_qtd *td;
+		int t;
+
+		t = qset->td_start;
+		td = &qset->qtd[qset->td_start];
+		status = le32_to_cpu(td->status);
+
+		/*
+		 * Nothing to do with a still active qTD.
+		 */
+		if (status & QTD_STS_ACTIVE)
+			break;
+
+		if (status & QTD_STS_HALTED) {
+			/* Ug, an error. */
+			process_halted_qtd(whc, qset, td);
+			goto done;
+		}
+
+		/* Mmm, a completed qTD. */
+		process_inactive_qtd(whc, qset, td);
+	}
+
+	update |= qset_add_qtds(whc, qset);
+
+done:
+	/*
+	 * If there are no qTDs in this qset, remove it from the PZL.
+	 */
+	if (qset->remove && qset->ntds == 0) {
+		pzl_qset_remove(whc, qset);
+		update |= WHC_UPDATE_REMOVED;
+	}
+
+	return update;
+}
+
+/**
+ * pzl_start - start the periodic schedule
+ * @whc: the WHCI host controller
+ *
+ * The PZL must be valid (e.g., all entries in the list should have
+ * the T bit set).
+ */
+void pzl_start(struct whc *whc)
+{
+	le_writeq(whc->pz_list_dma, whc->base + WUSBPERIODICLISTBASE);
+
+	whc_write_wusbcmd(whc, WUSBCMD_PERIODIC_EN, WUSBCMD_PERIODIC_EN);
+	whci_wait_for(&whc->umc->dev, whc->base + WUSBSTS,
+		      WUSBSTS_PERIODIC_SCHED, WUSBSTS_PERIODIC_SCHED,
+		      1000, "start PZL");
+}
+
+/**
+ * pzl_stop - stop the periodic schedule
+ * @whc: the WHCI host controller
+ */
+void pzl_stop(struct whc *whc)
+{
+	whc_write_wusbcmd(whc, WUSBCMD_PERIODIC_EN, 0);
+	whci_wait_for(&whc->umc->dev, whc->base + WUSBSTS,
+		      WUSBSTS_PERIODIC_SCHED, 0,
+		      1000, "stop PZL");
+}
+
+void pzl_update(struct whc *whc, uint32_t wusbcmd)
+{
+	whc_write_wusbcmd(whc, wusbcmd, wusbcmd);
+	wait_event(whc->periodic_list_wq,
+		   (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0);
+}
+
+static void update_pzl_hw_view(struct whc *whc)
+{
+	struct whc_qset *qset, *t;
+	int period;
+	u64 tmp_qh = 0;
+
+	for (period = 0; period < 5; period++) {
+		list_for_each_entry_safe(qset, t, &whc->periodic_list[period], list_node) {
+			whc_qset_set_link_ptr(&qset->qh.link, tmp_qh);
+			tmp_qh = qset->qset_dma;
+			qset->in_hw_list = true;
+		}
+		update_pzl_pointers(whc, period, tmp_qh);
+	}
+}
+
+/**
+ * scan_periodic_work - scan the PZL for qsets to process.
+ *
+ * Process each qset in the PZL in turn and then signal the WHC that
+ * the PZL has been updated.
+ *
+ * Then start, stop or update the periodic schedule as required.
+ */
+void scan_periodic_work(struct work_struct *work)
+{
+	struct whc *whc = container_of(work, struct whc, periodic_work);
+	struct whc_qset *qset, *t;
+	enum whc_update update = 0;
+	int period;
+
+	spin_lock_irq(&whc->lock);
+
+	dump_pzl(whc, "before processing");
+
+	for (period = 4; period >= 0; period--) {
+		list_for_each_entry_safe(qset, t, &whc->periodic_list[period], list_node) {
+			if (!qset->in_hw_list)
+				update |= WHC_UPDATE_ADDED;
+			update |= pzl_process_qset(whc, qset);
+		}
+	}
+
+	if (update & (WHC_UPDATE_ADDED | WHC_UPDATE_REMOVED))
+		update_pzl_hw_view(whc);
+
+	dump_pzl(whc, "after processing");
+
+	spin_unlock_irq(&whc->lock);
+
+	if (update) {
+		uint32_t wusbcmd = WUSBCMD_PERIODIC_UPDATED | WUSBCMD_PERIODIC_SYNCED_DB;
+		if (update & WHC_UPDATE_REMOVED)
+			wusbcmd |= WUSBCMD_PERIODIC_QSET_RM;
+		pzl_update(whc, wusbcmd);
+	}
+
+	/*
+	 * Now that the PZL is updated, complete the removal of any
+	 * removed qsets.
+	 */
+	spin_lock(&whc->lock);
+
+	list_for_each_entry_safe(qset, t, &whc->periodic_removed_list, list_node) {
+		qset_remove_complete(whc, qset);
+	}
+
+	spin_unlock(&whc->lock);
+}
+
+/**
+ * pzl_urb_enqueue - queue an URB onto the periodic list (PZL)
+ * @whc: the WHCI host controller
+ * @urb: the URB to enqueue
+ * @mem_flags: flags for any memory allocations
+ *
+ * The qset for the endpoint is obtained and the urb queued on to it.
+ *
+ * Work is scheduled to update the hardware's view of the PZL.
+ */
+int pzl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags)
+{
+	struct whc_qset *qset;
+	int err;
+	unsigned long flags;
+
+	spin_lock_irqsave(&whc->lock, flags);
+
+	qset = get_qset(whc, urb, GFP_ATOMIC);
+	if (qset == NULL)
+		err = -ENOMEM;
+	else
+		err = qset_add_urb(whc, qset, urb, GFP_ATOMIC);
+	if (!err) {
+		usb_hcd_link_urb_to_ep(&whc->wusbhc.usb_hcd, urb);
+		if (!qset->in_sw_list)
+			qset_insert_in_sw_list(whc, qset);
+	}
+
+	spin_unlock_irqrestore(&whc->lock, flags);
+
+	if (!err)
+		queue_work(whc->workqueue, &whc->periodic_work);
+
+	return 0;
+}
+
+/**
+ * pzl_urb_dequeue - remove an URB (qset) from the periodic list
+ * @whc: the WHCI host controller
+ * @urb: the URB to dequeue
+ * @status: the current status of the URB
+ *
+ * URBs that do yet have qTDs can simply be removed from the software
+ * queue, otherwise the qset must be removed so the qTDs can be safely
+ * removed.
+ */
+int pzl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
+{
+	struct whc_urb *wurb = urb->hcpriv;
+	struct whc_qset *qset = wurb->qset;
+	struct whc_std *std, *t;
+	int ret;
+	unsigned long flags;
+
+	spin_lock_irqsave(&whc->lock, flags);
+
+	ret = usb_hcd_check_unlink_urb(&whc->wusbhc.usb_hcd, urb, status);
+	if (ret < 0)
+		goto out;
+
+	list_for_each_entry_safe(std, t, &qset->stds, list_node) {
+		if (std->urb == urb)
+			qset_free_std(whc, std);
+		else
+			std->qtd = NULL; /* so this std is re-added when the qset is */
+	}
+
+	pzl_qset_remove(whc, qset);
+	wurb->status = status;
+	wurb->is_async = false;
+	queue_work(whc->workqueue, &wurb->dequeue_work);
+
+out:
+	spin_unlock_irqrestore(&whc->lock, flags);
+
+	return ret;
+}
+
+/**
+ * pzl_qset_delete - delete a qset from the PZL
+ */
+void pzl_qset_delete(struct whc *whc, struct whc_qset *qset)
+{
+	qset->remove = 1;
+	queue_work(whc->workqueue, &whc->periodic_work);
+	qset_delete(whc, qset);
+}
+
+
+/**
+ * pzl_init - initialize the periodic zone list
+ * @whc: the WHCI host controller
+ */
+int pzl_init(struct whc *whc)
+{
+	int i;
+
+	whc->pz_list = dma_alloc_coherent(&whc->umc->dev, sizeof(u64) * 16,
+					  &whc->pz_list_dma, GFP_KERNEL);
+	if (whc->pz_list == NULL)
+		return -ENOMEM;
+
+	/* Set T bit on all elements in PZL. */
+	for (i = 0; i < 16; i++)
+		whc->pz_list[i] = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T);
+
+	le_writeq(whc->pz_list_dma, whc->base + WUSBPERIODICLISTBASE);
+
+	return 0;
+}
+
+/**
+ * pzl_clean_up - free PZL resources
+ * @whc: the WHCI host controller
+ *
+ * The PZL is stopped and empty.
+ */
+void pzl_clean_up(struct whc *whc)
+{
+	if (whc->pz_list)
+		dma_free_coherent(&whc->umc->dev,  sizeof(u64) * 16, whc->pz_list,
+				  whc->pz_list_dma);
+}
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
new file mode 100644
index 00000000000..0420037d2e1
--- /dev/null
+++ b/drivers/usb/host/whci/qset.c
@@ -0,0 +1,567 @@
+/*
+ * Wireless Host Controller (WHC) qset management.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/dma-mapping.h>
+#include <linux/uwb/umc.h>
+#include <linux/usb.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+void dump_qset(struct whc_qset *qset, struct device *dev)
+{
+	struct whc_std *std;
+	struct urb *urb = NULL;
+	int i;
+
+	dev_dbg(dev, "qset %08x\n", (u32)qset->qset_dma);
+	dev_dbg(dev, "  -> %08x\n", (u32)qset->qh.link);
+	dev_dbg(dev, "  info: %08x %08x %08x\n",
+		qset->qh.info1, qset->qh.info2,  qset->qh.info3);
+	dev_dbg(dev, "  sts: %04x errs: %d\n", qset->qh.status, qset->qh.err_count);
+	dev_dbg(dev, "  TD: sts: %08x opts: %08x\n",
+		qset->qh.overlay.qtd.status, qset->qh.overlay.qtd.options);
+
+	for (i = 0; i < WHCI_QSET_TD_MAX; i++) {
+		dev_dbg(dev, "  %c%c TD[%d]: sts: %08x opts: %08x ptr: %08x\n",
+			i == qset->td_start ? 'S' : ' ',
+			i == qset->td_end ? 'E' : ' ',
+			i, qset->qtd[i].status, qset->qtd[i].options,
+			(u32)qset->qtd[i].page_list_ptr);
+	}
+	dev_dbg(dev, "  ntds: %d\n", qset->ntds);
+	list_for_each_entry(std, &qset->stds, list_node) {
+		if (urb != std->urb) {
+			urb = std->urb;
+			dev_dbg(dev, "  urb %p transferred: %d bytes\n", urb,
+				urb->actual_length);
+		}
+		if (std->qtd)
+			dev_dbg(dev, "    sTD[%td]: %zu bytes @ %08x\n",
+				std->qtd - &qset->qtd[0],
+				std->len, std->num_pointers ?
+				(u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
+		else
+			dev_dbg(dev, "    sTD[-]: %zd bytes @ %08x\n",
+				std->len, std->num_pointers ?
+				(u32)(std->pl_virt[0].buf_ptr) : (u32)std->dma_addr);
+	}
+}
+
+struct whc_qset *qset_alloc(struct whc *whc, gfp_t mem_flags)
+{
+	struct whc_qset *qset;
+	dma_addr_t dma;
+
+	qset = dma_pool_alloc(whc->qset_pool, mem_flags, &dma);
+	if (qset == NULL)
+		return NULL;
+	memset(qset, 0, sizeof(struct whc_qset));
+
+	qset->qset_dma = dma;
+	qset->whc = whc;
+
+	INIT_LIST_HEAD(&qset->list_node);
+	INIT_LIST_HEAD(&qset->stds);
+
+	return qset;
+}
+
+/**
+ * qset_fill_qh - fill the static endpoint state in a qset's QHead
+ * @qset: the qset whose QH needs initializing with static endpoint
+ *        state
+ * @urb:  an urb for a transfer to this endpoint
+ */
+static void qset_fill_qh(struct whc_qset *qset, struct urb *urb)
+{
+	struct usb_device *usb_dev = urb->dev;
+	struct usb_wireless_ep_comp_descriptor *epcd;
+	bool is_out;
+
+	is_out = usb_pipeout(urb->pipe);
+
+	epcd = (struct usb_wireless_ep_comp_descriptor *)qset->ep->extra;
+
+	if (epcd) {
+		qset->max_seq = epcd->bMaxSequence;
+		qset->max_burst = epcd->bMaxBurst;
+	} else {
+		qset->max_seq = 2;
+		qset->max_burst = 1;
+	}
+
+	qset->qh.info1 = cpu_to_le32(
+		QH_INFO1_EP(usb_pipeendpoint(urb->pipe))
+		| (is_out ? QH_INFO1_DIR_OUT : QH_INFO1_DIR_IN)
+		| usb_pipe_to_qh_type(urb->pipe)
+		| QH_INFO1_DEV_INFO_IDX(wusb_port_no_to_idx(usb_dev->portnum))
+		| QH_INFO1_MAX_PKT_LEN(usb_maxpacket(urb->dev, urb->pipe, is_out))
+		);
+	qset->qh.info2 = cpu_to_le32(
+		QH_INFO2_BURST(qset->max_burst)
+		| QH_INFO2_DBP(0)
+		| QH_INFO2_MAX_COUNT(3)
+		| QH_INFO2_MAX_RETRY(3)
+		| QH_INFO2_MAX_SEQ(qset->max_seq - 1)
+		);
+	/* FIXME: where can we obtain these Tx parameters from?  Why
+	 * doesn't the chip know what Tx power to use? It knows the Rx
+	 * strength and can presumably guess the Tx power required
+	 * from that? */
+	qset->qh.info3 = cpu_to_le32(
+		QH_INFO3_TX_RATE_53_3
+		| QH_INFO3_TX_PWR(0) /* 0 == max power */
+		);
+}
+
+/**
+ * qset_clear - clear fields in a qset so it may be reinserted into a
+ * schedule
+ */
+void qset_clear(struct whc *whc, struct whc_qset *qset)
+{
+	qset->td_start = qset->td_end = qset->ntds = 0;
+	qset->remove = 0;
+
+	qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T);
+	qset->qh.status = cpu_to_le16(QH_STATUS_ICUR(qset->td_start));
+	qset->qh.err_count = 0;
+	qset->qh.cur_window = cpu_to_le32((1 << qset->max_burst) - 1);
+	qset->qh.scratch[0] = 0;
+	qset->qh.scratch[1] = 0;
+	qset->qh.scratch[2] = 0;
+
+	memset(&qset->qh.overlay, 0, sizeof(qset->qh.overlay));
+
+	init_completion(&qset->remove_complete);
+}
+
+/**
+ * get_qset - get the qset for an async endpoint
+ *
+ * A new qset is created if one does not already exist.
+ */
+struct whc_qset *get_qset(struct whc *whc, struct urb *urb,
+				 gfp_t mem_flags)
+{
+	struct whc_qset *qset;
+
+	qset = urb->ep->hcpriv;
+	if (qset == NULL) {
+		qset = qset_alloc(whc, mem_flags);
+		if (qset == NULL)
+			return NULL;
+
+		qset->ep = urb->ep;
+		urb->ep->hcpriv = qset;
+		qset_fill_qh(qset, urb);
+	}
+	return qset;
+}
+
+void qset_remove_complete(struct whc *whc, struct whc_qset *qset)
+{
+	list_del_init(&qset->list_node);
+	complete(&qset->remove_complete);
+}
+
+/**
+ * qset_add_qtds - add qTDs for an URB to a qset
+ *
+ * Returns true if the list (ASL/PZL) must be updated because (for a
+ * WHCI 0.95 controller) an activated qTD was pointed to be iCur.
+ */
+enum whc_update qset_add_qtds(struct whc *whc, struct whc_qset *qset)
+{
+	struct whc_std *std;
+	enum whc_update update = 0;
+
+	list_for_each_entry(std, &qset->stds, list_node) {
+		struct whc_qtd *qtd;
+		uint32_t status;
+
+		if (qset->ntds >= WHCI_QSET_TD_MAX
+		    || (qset->pause_after_urb && std->urb != qset->pause_after_urb))
+			break;
+
+		if (std->qtd)
+			continue; /* already has a qTD */
+
+		qtd = std->qtd = &qset->qtd[qset->td_end];
+
+		/* Fill in setup bytes for control transfers. */
+		if (usb_pipecontrol(std->urb->pipe))
+			memcpy(qtd->setup, std->urb->setup_packet, 8);
+
+		status = QTD_STS_ACTIVE | QTD_STS_LEN(std->len);
+
+		if (whc_std_last(std) && usb_pipeout(std->urb->pipe))
+			status |= QTD_STS_LAST_PKT;
+
+		/*
+		 * For an IN transfer the iAlt field should be set so
+		 * the h/w will automatically advance to the next
+		 * transfer. However, if there are 8 or more TDs
+		 * remaining in this transfer then iAlt cannot be set
+		 * as it could point to somewhere in this transfer.
+		 */
+		if (std->ntds_remaining < WHCI_QSET_TD_MAX) {
+			int ialt;
+			ialt = (qset->td_end + std->ntds_remaining) % WHCI_QSET_TD_MAX;
+			status |= QTD_STS_IALT(ialt);
+		} else if (usb_pipein(std->urb->pipe))
+			qset->pause_after_urb = std->urb;
+
+		if (std->num_pointers)
+			qtd->options = cpu_to_le32(QTD_OPT_IOC);
+		else
+			qtd->options = cpu_to_le32(QTD_OPT_IOC | QTD_OPT_SMALL);
+		qtd->page_list_ptr = cpu_to_le64(std->dma_addr);
+
+		qtd->status = cpu_to_le32(status);
+
+		if (QH_STATUS_TO_ICUR(qset->qh.status) == qset->td_end)
+			update = WHC_UPDATE_UPDATED;
+
+		if (++qset->td_end >= WHCI_QSET_TD_MAX)
+			qset->td_end = 0;
+		qset->ntds++;
+	}
+
+	return update;
+}
+
+/**
+ * qset_remove_qtd - remove the first qTD from a qset.
+ *
+ * The qTD might be still active (if it's part of a IN URB that
+ * resulted in a short read) so ensure it's deactivated.
+ */
+static void qset_remove_qtd(struct whc *whc, struct whc_qset *qset)
+{
+	qset->qtd[qset->td_start].status = 0;
+
+	if (++qset->td_start >= WHCI_QSET_TD_MAX)
+		qset->td_start = 0;
+	qset->ntds--;
+}
+
+/**
+ * qset_free_std - remove an sTD and free it.
+ * @whc: the WHCI host controller
+ * @std: the sTD to remove and free.
+ */
+void qset_free_std(struct whc *whc, struct whc_std *std)
+{
+	list_del(&std->list_node);
+	if (std->num_pointers) {
+		dma_unmap_single(whc->wusbhc.dev, std->dma_addr,
+				 std->num_pointers * sizeof(struct whc_page_list_entry),
+				 DMA_TO_DEVICE);
+		kfree(std->pl_virt);
+	}
+
+	kfree(std);
+}
+
+/**
+ * qset_remove_qtds - remove an URB's qTDs (and sTDs).
+ */
+static void qset_remove_qtds(struct whc *whc, struct whc_qset *qset,
+			     struct urb *urb)
+{
+	struct whc_std *std, *t;
+
+	list_for_each_entry_safe(std, t, &qset->stds, list_node) {
+		if (std->urb != urb)
+			break;
+		if (std->qtd != NULL)
+			qset_remove_qtd(whc, qset);
+		qset_free_std(whc, std);
+	}
+}
+
+/**
+ * qset_free_stds - free any remaining sTDs for an URB.
+ */
+static void qset_free_stds(struct whc_qset *qset, struct urb *urb)
+{
+	struct whc_std *std, *t;
+
+	list_for_each_entry_safe(std, t, &qset->stds, list_node) {
+		if (std->urb == urb)
+			qset_free_std(qset->whc, std);
+	}
+}
+
+static int qset_fill_page_list(struct whc *whc, struct whc_std *std, gfp_t mem_flags)
+{
+	dma_addr_t dma_addr = std->dma_addr;
+	dma_addr_t sp, ep;
+	size_t std_len = std->len;
+	size_t pl_len;
+	int p;
+
+	sp = ALIGN(dma_addr, WHCI_PAGE_SIZE);
+	ep = dma_addr + std_len;
+	std->num_pointers = DIV_ROUND_UP(ep - sp, WHCI_PAGE_SIZE);
+
+	pl_len = std->num_pointers * sizeof(struct whc_page_list_entry);
+	std->pl_virt = kmalloc(pl_len, mem_flags);
+	if (std->pl_virt == NULL)
+		return -ENOMEM;
+	std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE);
+
+	for (p = 0; p < std->num_pointers; p++) {
+		std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr);
+		dma_addr = ALIGN(dma_addr + WHCI_PAGE_SIZE, WHCI_PAGE_SIZE);
+	}
+
+	return 0;
+}
+
+/**
+ * urb_dequeue_work - executes asl/pzl update and gives back the urb to the system.
+ */
+static void urb_dequeue_work(struct work_struct *work)
+{
+	struct whc_urb *wurb = container_of(work, struct whc_urb, dequeue_work);
+	struct whc_qset *qset = wurb->qset;
+	struct whc *whc = qset->whc;
+	unsigned long flags;
+
+	if (wurb->is_async == true)
+		asl_update(whc, WUSBCMD_ASYNC_UPDATED
+			   | WUSBCMD_ASYNC_SYNCED_DB
+			   | WUSBCMD_ASYNC_QSET_RM);
+	else
+		pzl_update(whc, WUSBCMD_PERIODIC_UPDATED
+			   | WUSBCMD_PERIODIC_SYNCED_DB
+			   | WUSBCMD_PERIODIC_QSET_RM);
+
+	spin_lock_irqsave(&whc->lock, flags);
+	qset_remove_urb(whc, qset, wurb->urb, wurb->status);
+	spin_unlock_irqrestore(&whc->lock, flags);
+}
+
+/**
+ * qset_add_urb - add an urb to the qset's queue.
+ *
+ * The URB is chopped into sTDs, one for each qTD that will required.
+ * At least one qTD (and sTD) is required even if the transfer has no
+ * data (e.g., for some control transfers).
+ */
+int qset_add_urb(struct whc *whc, struct whc_qset *qset, struct urb *urb,
+	gfp_t mem_flags)
+{
+	struct whc_urb *wurb;
+	int remaining = urb->transfer_buffer_length;
+	u64 transfer_dma = urb->transfer_dma;
+	int ntds_remaining;
+
+	ntds_remaining = DIV_ROUND_UP(remaining, QTD_MAX_XFER_SIZE);
+	if (ntds_remaining == 0)
+		ntds_remaining = 1;
+
+	wurb = kzalloc(sizeof(struct whc_urb), mem_flags);
+	if (wurb == NULL)
+		goto err_no_mem;
+	urb->hcpriv = wurb;
+	wurb->qset = qset;
+	wurb->urb = urb;
+	INIT_WORK(&wurb->dequeue_work, urb_dequeue_work);
+
+	while (ntds_remaining) {
+		struct whc_std *std;
+		size_t std_len;
+
+		std = kmalloc(sizeof(struct whc_std), mem_flags);
+		if (std == NULL)
+			goto err_no_mem;
+
+		std_len = remaining;
+		if (std_len > QTD_MAX_XFER_SIZE)
+			std_len = QTD_MAX_XFER_SIZE;
+
+		std->urb = urb;
+		std->dma_addr = transfer_dma;
+		std->len = std_len;
+		std->ntds_remaining = ntds_remaining;
+		std->qtd = NULL;
+
+		INIT_LIST_HEAD(&std->list_node);
+		list_add_tail(&std->list_node, &qset->stds);
+
+		if (std_len > WHCI_PAGE_SIZE) {
+			if (qset_fill_page_list(whc, std, mem_flags) < 0)
+				goto err_no_mem;
+		} else
+			std->num_pointers = 0;
+
+		ntds_remaining--;
+		remaining -= std_len;
+		transfer_dma += std_len;
+	}
+
+	return 0;
+
+err_no_mem:
+	qset_free_stds(qset, urb);
+	return -ENOMEM;
+}
+
+/**
+ * qset_remove_urb - remove an URB from the urb queue.
+ *
+ * The URB is returned to the USB subsystem.
+ */
+void qset_remove_urb(struct whc *whc, struct whc_qset *qset,
+			    struct urb *urb, int status)
+{
+	struct wusbhc *wusbhc = &whc->wusbhc;
+	struct whc_urb *wurb = urb->hcpriv;
+
+	usb_hcd_unlink_urb_from_ep(&wusbhc->usb_hcd, urb);
+	/* Drop the lock as urb->complete() may enqueue another urb. */
+	spin_unlock(&whc->lock);
+	wusbhc_giveback_urb(wusbhc, urb, status);
+	spin_lock(&whc->lock);
+
+	kfree(wurb);
+}
+
+/**
+ * get_urb_status_from_qtd - get the completed urb status from qTD status
+ * @urb:    completed urb
+ * @status: qTD status
+ */
+static int get_urb_status_from_qtd(struct urb *urb, u32 status)
+{
+	if (status & QTD_STS_HALTED) {
+		if (status & QTD_STS_DBE)
+			return usb_pipein(urb->pipe) ? -ENOSR : -ECOMM;
+		else if (status & QTD_STS_BABBLE)
+			return -EOVERFLOW;
+		else if (status & QTD_STS_RCE)
+			return -ETIME;
+		return -EPIPE;
+	}
+	if (usb_pipein(urb->pipe)
+	    && (urb->transfer_flags & URB_SHORT_NOT_OK)
+	    && urb->actual_length < urb->transfer_buffer_length)
+		return -EREMOTEIO;
+	return 0;
+}
+
+/**
+ * process_inactive_qtd - process an inactive (but not halted) qTD.
+ *
+ * Update the urb with the transfer bytes from the qTD, if the urb is
+ * completely transfered or (in the case of an IN only) the LPF is
+ * set, then the transfer is complete and the urb should be returned
+ * to the system.
+ */
+void process_inactive_qtd(struct whc *whc, struct whc_qset *qset,
+				 struct whc_qtd *qtd)
+{
+	struct whc_std *std = list_first_entry(&qset->stds, struct whc_std, list_node);
+	struct urb *urb = std->urb;
+	uint32_t status;
+	bool complete;
+
+	status = le32_to_cpu(qtd->status);
+
+	urb->actual_length += std->len - QTD_STS_TO_LEN(status);
+
+	if (usb_pipein(urb->pipe) && (status & QTD_STS_LAST_PKT))
+		complete = true;
+	else
+		complete = whc_std_last(std);
+
+	qset_remove_qtd(whc, qset);
+	qset_free_std(whc, std);
+
+	/*
+	 * Transfers for this URB are complete?  Then return it to the
+	 * USB subsystem.
+	 */
+	if (complete) {
+		qset_remove_qtds(whc, qset, urb);
+		qset_remove_urb(whc, qset, urb, get_urb_status_from_qtd(urb, status));
+
+		/*
+		 * If iAlt isn't valid then the hardware didn't
+		 * advance iCur. Adjust the start and end pointers to
+		 * match iCur.
+		 */
+		if (!(status & QTD_STS_IALT_VALID))
+			qset->td_start = qset->td_end
+				= QH_STATUS_TO_ICUR(le16_to_cpu(qset->qh.status));
+		qset->pause_after_urb = NULL;
+	}
+}
+
+/**
+ * process_halted_qtd - process a qset with a halted qtd
+ *
+ * Remove all the qTDs for the failed URB and return the failed URB to
+ * the USB subsystem.  Then remove all other qTDs so the qset can be
+ * removed.
+ *
+ * FIXME: this is the point where rate adaptation can be done.  If a
+ * transfer failed because it exceeded the maximum number of retries
+ * then it could be reactivated with a slower rate without having to
+ * remove the qset.
+ */
+void process_halted_qtd(struct whc *whc, struct whc_qset *qset,
+			       struct whc_qtd *qtd)
+{
+	struct whc_std *std = list_first_entry(&qset->stds, struct whc_std, list_node);
+	struct urb *urb = std->urb;
+	int urb_status;
+
+	urb_status = get_urb_status_from_qtd(urb, le32_to_cpu(qtd->status));
+
+	qset_remove_qtds(whc, qset, urb);
+	qset_remove_urb(whc, qset, urb, urb_status);
+
+	list_for_each_entry(std, &qset->stds, list_node) {
+		if (qset->ntds == 0)
+			break;
+		qset_remove_qtd(whc, qset);
+		std->qtd = NULL;
+	}
+
+	qset->remove = 1;
+}
+
+void qset_free(struct whc *whc, struct whc_qset *qset)
+{
+	dma_pool_free(whc->qset_pool, qset, qset->qset_dma);
+}
+
+/**
+ * qset_delete - wait for a qset to be unused, then free it.
+ */
+void qset_delete(struct whc *whc, struct whc_qset *qset)
+{
+	wait_for_completion(&qset->remove_complete);
+	qset_free(whc, qset);
+}
diff --git a/drivers/usb/host/whci/whcd.h b/drivers/usb/host/whci/whcd.h
new file mode 100644
index 00000000000..1d2a53bd39f
--- /dev/null
+++ b/drivers/usb/host/whci/whcd.h
@@ -0,0 +1,197 @@
+/*
+ * Wireless Host Controller (WHC) private header.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+#ifndef __WHCD_H
+#define __WHCD_H
+
+#include <linux/uwb/whci.h>
+#include <linux/workqueue.h>
+
+#include "whci-hc.h"
+
+/* Generic command timeout. */
+#define WHC_GENCMD_TIMEOUT_MS 100
+
+
+struct whc {
+	struct wusbhc wusbhc;
+	struct umc_dev *umc;
+
+	resource_size_t base_phys;
+	void __iomem *base;
+	int irq;
+
+	u8 n_devices;
+	u8 n_keys;
+	u8 n_mmc_ies;
+
+	u64 *pz_list;
+	struct dn_buf_entry *dn_buf;
+	struct di_buf_entry *di_buf;
+	dma_addr_t pz_list_dma;
+	dma_addr_t dn_buf_dma;
+	dma_addr_t di_buf_dma;
+
+	spinlock_t   lock;
+	struct mutex mutex;
+
+	void *            gen_cmd_buf;
+	dma_addr_t        gen_cmd_buf_dma;
+	wait_queue_head_t cmd_wq;
+
+	struct workqueue_struct *workqueue;
+	struct work_struct       dn_work;
+
+	struct dma_pool *qset_pool;
+
+	struct list_head async_list;
+	struct list_head async_removed_list;
+	wait_queue_head_t async_list_wq;
+	struct work_struct async_work;
+
+	struct list_head periodic_list[5];
+	struct list_head periodic_removed_list;
+	wait_queue_head_t periodic_list_wq;
+	struct work_struct periodic_work;
+};
+
+#define wusbhc_to_whc(w) (container_of((w), struct whc, wusbhc))
+
+/**
+ * struct whc_std - a software TD.
+ * @urb: the URB this sTD is for.
+ * @offset: start of the URB's data for this TD.
+ * @len: the length of data in the associated TD.
+ * @ntds_remaining: number of TDs (starting from this one) in this transfer.
+ *
+ * Queued URBs may require more TDs than are available in a qset so we
+ * use a list of these "software TDs" (sTDs) to hold per-TD data.
+ */
+struct whc_std {
+	struct urb *urb;
+	size_t len;
+	int    ntds_remaining;
+	struct whc_qtd *qtd;
+
+	struct list_head list_node;
+	int num_pointers;
+	dma_addr_t dma_addr;
+	struct whc_page_list_entry *pl_virt;
+};
+
+/**
+ * struct whc_urb - per URB host controller structure.
+ * @urb: the URB this struct is for.
+ * @qset: the qset associated to the URB.
+ * @dequeue_work: the work to remove the URB when dequeued.
+ * @is_async: the URB belongs to async sheduler or not.
+ * @status: the status to be returned when calling wusbhc_giveback_urb.
+ */
+struct whc_urb {
+	struct urb *urb;
+	struct whc_qset *qset;
+	struct work_struct dequeue_work;
+	bool is_async;
+	int status;
+};
+
+/**
+ * whc_std_last - is this sTD the URB's last?
+ * @std: the sTD to check.
+ */
+static inline bool whc_std_last(struct whc_std *std)
+{
+	return std->ntds_remaining <= 1;
+}
+
+enum whc_update {
+	WHC_UPDATE_ADDED   = 0x01,
+	WHC_UPDATE_REMOVED = 0x02,
+	WHC_UPDATE_UPDATED = 0x04,
+};
+
+/* init.c */
+int whc_init(struct whc *whc);
+void whc_clean_up(struct whc *whc);
+
+/* hw.c */
+void whc_write_wusbcmd(struct whc *whc, u32 mask, u32 val);
+int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len);
+
+/* wusb.c */
+int whc_wusbhc_start(struct wusbhc *wusbhc);
+void whc_wusbhc_stop(struct wusbhc *wusbhc);
+int whc_mmcie_add(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
+		  u8 handle, struct wuie_hdr *wuie);
+int whc_mmcie_rm(struct wusbhc *wusbhc, u8 handle);
+int whc_bwa_set(struct wusbhc *wusbhc, s8 stream_index, const struct uwb_mas_bm *mas_bm);
+int whc_dev_info_set(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev);
+int whc_set_num_dnts(struct wusbhc *wusbhc, u8 interval, u8 slots);
+int whc_set_ptk(struct wusbhc *wusbhc, u8 port_idx, u32 tkid,
+		const void *ptk, size_t key_size);
+int whc_set_gtk(struct wusbhc *wusbhc, u32 tkid,
+		const void *gtk, size_t key_size);
+int whc_set_cluster_id(struct whc *whc, u8 bcid);
+
+/* int.c */
+irqreturn_t whc_int_handler(struct usb_hcd *hcd);
+void whc_dn_work(struct work_struct *work);
+
+/* asl.c */
+void asl_start(struct whc *whc);
+void asl_stop(struct whc *whc);
+int  asl_init(struct whc *whc);
+void asl_clean_up(struct whc *whc);
+int  asl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags);
+int  asl_urb_dequeue(struct whc *whc, struct urb *urb, int status);
+void asl_qset_delete(struct whc *whc, struct whc_qset *qset);
+void scan_async_work(struct work_struct *work);
+
+/* pzl.c */
+int  pzl_init(struct whc *whc);
+void pzl_clean_up(struct whc *whc);
+void pzl_start(struct whc *whc);
+void pzl_stop(struct whc *whc);
+int  pzl_urb_enqueue(struct whc *whc, struct urb *urb, gfp_t mem_flags);
+int  pzl_urb_dequeue(struct whc *whc, struct urb *urb, int status);
+void pzl_qset_delete(struct whc *whc, struct whc_qset *qset);
+void scan_periodic_work(struct work_struct *work);
+
+/* qset.c */
+struct whc_qset *qset_alloc(struct whc *whc, gfp_t mem_flags);
+void qset_free(struct whc *whc, struct whc_qset *qset);
+struct whc_qset *get_qset(struct whc *whc, struct urb *urb, gfp_t mem_flags);
+void qset_delete(struct whc *whc, struct whc_qset *qset);
+void qset_clear(struct whc *whc, struct whc_qset *qset);
+int qset_add_urb(struct whc *whc, struct whc_qset *qset, struct urb *urb,
+		 gfp_t mem_flags);
+void qset_free_std(struct whc *whc, struct whc_std *std);
+void qset_remove_urb(struct whc *whc, struct whc_qset *qset,
+			    struct urb *urb, int status);
+void process_halted_qtd(struct whc *whc, struct whc_qset *qset,
+			       struct whc_qtd *qtd);
+void process_inactive_qtd(struct whc *whc, struct whc_qset *qset,
+				 struct whc_qtd *qtd);
+enum whc_update qset_add_qtds(struct whc *whc, struct whc_qset *qset);
+void qset_remove_complete(struct whc *whc, struct whc_qset *qset);
+void dump_qset(struct whc_qset *qset, struct device *dev);
+void pzl_update(struct whc *whc, uint32_t wusbcmd);
+void asl_update(struct whc *whc, uint32_t wusbcmd);
+
+#endif /* #ifndef __WHCD_H */
diff --git a/drivers/usb/host/whci/whci-hc.h b/drivers/usb/host/whci/whci-hc.h
new file mode 100644
index 00000000000..bff1eb7a35c
--- /dev/null
+++ b/drivers/usb/host/whci/whci-hc.h
@@ -0,0 +1,416 @@
+/*
+ * Wireless Host Controller (WHC) data structures.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+#ifndef _WHCI_WHCI_HC_H
+#define _WHCI_WHCI_HC_H
+
+#include <linux/list.h>
+
+/**
+ * WHCI_PAGE_SIZE - page size use by WHCI
+ *
+ * WHCI assumes that host system uses pages of 4096 octets.
+ */
+#define WHCI_PAGE_SIZE 4096
+
+
+/**
+ * QTD_MAX_TXFER_SIZE - max number of bytes to transfer with a single
+ * qtd.
+ *
+ * This is 2^20 - 1.
+ */
+#define QTD_MAX_XFER_SIZE 1048575
+
+
+/**
+ * struct whc_qtd - Queue Element Transfer Descriptors (qTD)
+ *
+ * This describes the data for a bulk, control or interrupt transfer.
+ *
+ * [WHCI] section 3.2.4
+ */
+struct whc_qtd {
+	__le32 status; /*< remaining transfer len and transfer status */
+	__le32 options;
+	__le64 page_list_ptr; /*< physical pointer to data buffer page list*/
+	__u8   setup[8];      /*< setup data for control transfers */
+} __attribute__((packed));
+
+#define QTD_STS_ACTIVE     (1 << 31)  /* enable execution of transaction */
+#define QTD_STS_HALTED     (1 << 30)  /* transfer halted */
+#define QTD_STS_DBE        (1 << 29)  /* data buffer error */
+#define QTD_STS_BABBLE     (1 << 28)  /* babble detected */
+#define QTD_STS_RCE        (1 << 27)  /* retry count exceeded */
+#define QTD_STS_LAST_PKT   (1 << 26)  /* set Last Packet Flag in WUSB header */
+#define QTD_STS_INACTIVE   (1 << 25)  /* queue set is marked inactive */
+#define QTD_STS_IALT_VALID (1 << 23)                          /* iAlt field is valid */
+#define QTD_STS_IALT(i)    (QTD_STS_IALT_VALID | ((i) << 20)) /* iAlt field */
+#define QTD_STS_LEN(l)     ((l) << 0) /* transfer length */
+#define QTD_STS_TO_LEN(s)  ((s) & 0x000fffff)
+
+#define QTD_OPT_IOC      (1 << 1) /* page_list_ptr points to buffer directly */
+#define QTD_OPT_SMALL    (1 << 0) /* interrupt on complete */
+
+/**
+ * struct whc_itd - Isochronous Queue Element Transfer Descriptors (iTD)
+ *
+ * This describes the data and other parameters for an isochronous
+ * transfer.
+ *
+ * [WHCI] section 3.2.5
+ */
+struct whc_itd {
+	__le16 presentation_time;    /*< presentation time for OUT transfers */
+	__u8   num_segments;         /*< number of data segments in segment list */
+	__u8   status;               /*< command execution status */
+	__le32 options;              /*< misc transfer options */
+	__le64 page_list_ptr;        /*< physical pointer to data buffer page list */
+	__le64 seg_list_ptr;         /*< physical pointer to segment list */
+} __attribute__((packed));
+
+#define ITD_STS_ACTIVE   (1 << 7) /* enable execution of transaction */
+#define ITD_STS_DBE      (1 << 5) /* data buffer error */
+#define ITD_STS_BABBLE   (1 << 4) /* babble detected */
+#define ITD_STS_INACTIVE (1 << 1) /* queue set is marked inactive */
+
+#define ITD_OPT_IOC      (1 << 1) /* interrupt on complete */
+#define ITD_OPT_SMALL    (1 << 0) /* page_list_ptr points to buffer directly */
+
+/**
+ * Page list entry.
+ *
+ * A TD's page list must contain sufficient page list entries for the
+ * total data length in the TD.
+ *
+ * [WHCI] section 3.2.4.3
+ */
+struct whc_page_list_entry {
+	__le64 buf_ptr; /*< physical pointer to buffer */
+} __attribute__((packed));
+
+/**
+ * struct whc_seg_list_entry - Segment list entry.
+ *
+ * Describes a portion of the data buffer described in the containing
+ * qTD's page list.
+ *
+ * seg_ptr = qtd->page_list_ptr[qtd->seg_list_ptr[seg].idx].buf_ptr
+ *           + qtd->seg_list_ptr[seg].offset;
+ *
+ * Segments can't cross page boundries.
+ *
+ * [WHCI] section 3.2.5.5
+ */
+struct whc_seg_list_entry {
+	__le16 len;    /*< segment length */
+	__u8   idx;    /*< index into page list */
+	__u8   status; /*< segment status */
+	__le16 offset; /*< 12 bit offset into page */
+} __attribute__((packed));
+
+/**
+ * struct whc_qhead - endpoint and status information for a qset.
+ *
+ * [WHCI] section 3.2.6
+ */
+struct whc_qhead {
+	__le64 link; /*< next qset in list */
+	__le32 info1;
+	__le32 info2;
+	__le32 info3;
+	__le16 status;
+	__le16 err_count;  /*< transaction error count */
+	__le32 cur_window;
+	__le32 scratch[3]; /*< h/w scratch area */
+	union {
+		struct whc_qtd qtd;
+		struct whc_itd itd;
+	} overlay;
+} __attribute__((packed));
+
+#define QH_LINK_PTR_MASK (~0x03Full)
+#define QH_LINK_PTR(ptr) ((ptr) & QH_LINK_PTR_MASK)
+#define QH_LINK_IQS      (1 << 4) /* isochronous queue set */
+#define QH_LINK_NTDS(n)  (((n) - 1) << 1) /* number of TDs in queue set */
+#define QH_LINK_T        (1 << 0) /* last queue set in periodic schedule list */
+
+#define QH_INFO1_EP(e)           ((e) << 0)  /* endpoint number */
+#define QH_INFO1_DIR_IN          (1 << 4)    /* IN transfer */
+#define QH_INFO1_DIR_OUT         (0 << 4)    /* OUT transfer */
+#define QH_INFO1_TR_TYPE_CTRL    (0x0 << 5)  /* control transfer */
+#define QH_INFO1_TR_TYPE_ISOC    (0x1 << 5)  /* isochronous transfer */
+#define QH_INFO1_TR_TYPE_BULK    (0x2 << 5)  /* bulk transfer */
+#define QH_INFO1_TR_TYPE_INT     (0x3 << 5)  /* interrupt */
+#define QH_INFO1_TR_TYPE_LP_INT  (0x7 << 5)  /* low power interrupt */
+#define QH_INFO1_DEV_INFO_IDX(i) ((i) << 8)  /* index into device info buffer */
+#define QH_INFO1_SET_INACTIVE    (1 << 15)   /* set inactive after transfer */
+#define QH_INFO1_MAX_PKT_LEN(l)  ((l) << 16) /* maximum packet length */
+
+#define QH_INFO2_BURST(b)        ((b) << 0)  /* maximum burst length */
+#define QH_INFO2_DBP(p)          ((p) << 5)  /* data burst policy (see [WUSB] table 5-7) */
+#define QH_INFO2_MAX_COUNT(c)    ((c) << 8)  /* max isoc/int pkts per zone */
+#define QH_INFO2_RQS             (1 << 15)   /* reactivate queue set */
+#define QH_INFO2_MAX_RETRY(r)    ((r) << 16) /* maximum transaction retries */
+#define QH_INFO2_MAX_SEQ(s)      ((s) << 20) /* maximum sequence number */
+#define QH_INFO3_MAX_DELAY(d)    ((d) << 0)  /* maximum stream delay in 125 us units (isoc only) */
+#define QH_INFO3_INTERVAL(i)     ((i) << 16) /* segment interval in 125 us units (isoc only) */
+
+#define QH_INFO3_TX_RATE_53_3    (0 << 24)
+#define QH_INFO3_TX_RATE_80      (1 << 24)
+#define QH_INFO3_TX_RATE_106_7   (2 << 24)
+#define QH_INFO3_TX_RATE_160     (3 << 24)
+#define QH_INFO3_TX_RATE_200     (4 << 24)
+#define QH_INFO3_TX_RATE_320     (5 << 24)
+#define QH_INFO3_TX_RATE_400     (6 << 24)
+#define QH_INFO3_TX_RATE_480     (7 << 24)
+#define QH_INFO3_TX_PWR(p)       ((p) << 29) /* transmit power (see [WUSB] section 5.2.1.2) */
+
+#define QH_STATUS_FLOW_CTRL      (1 << 15)
+#define QH_STATUS_ICUR(i)        ((i) << 5)
+#define QH_STATUS_TO_ICUR(s)     (((s) >> 5) & 0x7)
+
+/**
+ * usb_pipe_to_qh_type - USB core pipe type to QH transfer type
+ *
+ * Returns the QH type field for a USB core pipe type.
+ */
+static inline unsigned usb_pipe_to_qh_type(unsigned pipe)
+{
+	static const unsigned type[] = {
+		[PIPE_ISOCHRONOUS] = QH_INFO1_TR_TYPE_ISOC,
+		[PIPE_INTERRUPT]   = QH_INFO1_TR_TYPE_INT,
+		[PIPE_CONTROL]     = QH_INFO1_TR_TYPE_CTRL,
+		[PIPE_BULK]        = QH_INFO1_TR_TYPE_BULK,
+	};
+	return type[usb_pipetype(pipe)];
+}
+
+/**
+ * Maxiumum number of TDs in a qset.
+ */
+#define WHCI_QSET_TD_MAX 8
+
+/**
+ * struct whc_qset - WUSB data transfers to a specific endpoint
+ * @qh: the QHead of this qset
+ * @qtd: up to 8 qTDs (for qsets for control, bulk and interrupt
+ * transfers)
+ * @itd: up to 8 iTDs (for qsets for isochronous transfers)
+ * @qset_dma: DMA address for this qset
+ * @whc: WHCI HC this qset is for
+ * @ep: endpoint
+ * @stds: list of sTDs queued to this qset
+ * @ntds: number of qTDs queued (not necessarily the same as nTDs
+ * field in the QH)
+ * @td_start: index of the first qTD in the list
+ * @td_end: index of next free qTD in the list (provided
+ *          ntds < WHCI_QSET_TD_MAX)
+ *
+ * Queue Sets (qsets) are added to the asynchronous schedule list
+ * (ASL) or the periodic zone list (PZL).
+ *
+ * qsets may contain up to 8 TDs (either qTDs or iTDs as appropriate).
+ * Each TD may refer to at most 1 MiB of data. If a single transfer
+ * has > 8MiB of data, TDs can be reused as they are completed since
+ * the TD list is used as a circular buffer.  Similarly, several
+ * (smaller) transfers may be queued in a qset.
+ *
+ * WHCI controllers may cache portions of the qsets in the ASL and
+ * PZL, requiring the WHCD to inform the WHC that the lists have been
+ * updated (fields changed or qsets inserted or removed).  For safe
+ * insertion and removal of qsets from the lists the schedule must be
+ * stopped to avoid races in updating the QH link pointers.
+ *
+ * Since the HC is free to execute qsets in any order, all transfers
+ * to an endpoint should use the same qset to ensure transfers are
+ * executed in the order they're submitted.
+ *
+ * [WHCI] section 3.2.3
+ */
+struct whc_qset {
+	struct whc_qhead qh;
+	union {
+		struct whc_qtd qtd[WHCI_QSET_TD_MAX];
+		struct whc_itd itd[WHCI_QSET_TD_MAX];
+	};
+
+	/* private data for WHCD */
+	dma_addr_t qset_dma;
+	struct whc *whc;
+	struct usb_host_endpoint *ep;
+	struct list_head stds;
+	int ntds;
+	int td_start;
+	int td_end;
+	struct list_head list_node;
+	unsigned in_sw_list:1;
+	unsigned in_hw_list:1;
+	unsigned remove:1;
+	struct urb *pause_after_urb;
+	struct completion remove_complete;
+	int max_burst;
+	int max_seq;
+};
+
+static inline void whc_qset_set_link_ptr(u64 *ptr, u64 target)
+{
+	if (target)
+		*ptr = (*ptr & ~(QH_LINK_PTR_MASK | QH_LINK_T)) | QH_LINK_PTR(target);
+	else
+		*ptr = QH_LINK_T;
+}
+
+/**
+ * struct di_buf_entry - Device Information (DI) buffer entry.
+ *
+ * There's one of these per connected device.
+ */
+struct di_buf_entry {
+	__le32 availability_info[8]; /*< MAS availability information, one MAS per bit */
+	__le32 addr_sec_info;        /*< addressing and security info */
+	__le32 reserved[7];
+} __attribute__((packed));
+
+#define WHC_DI_SECURE           (1 << 31)
+#define WHC_DI_DISABLE          (1 << 30)
+#define WHC_DI_KEY_IDX(k)       ((k) << 8)
+#define WHC_DI_KEY_IDX_MASK     0x0000ff00
+#define WHC_DI_DEV_ADDR(a)      ((a) << 0)
+#define WHC_DI_DEV_ADDR_MASK    0x000000ff
+
+/**
+ * struct dn_buf_entry - Device Notification (DN) buffer entry.
+ *
+ * [WHCI] section 3.2.8
+ */
+struct dn_buf_entry {
+	__u8   msg_size;    /*< number of octets of valid DN data */
+	__u8   reserved1;
+	__u8   src_addr;    /*< source address */
+	__u8   status;      /*< buffer entry status */
+	__le32 tkid;        /*< TKID for source device, valid if secure bit is set */
+	__u8   dn_data[56]; /*< up to 56 octets of DN data */
+} __attribute__((packed));
+
+#define WHC_DN_STATUS_VALID  (1 << 7) /* buffer entry is valid */
+#define WHC_DN_STATUS_SECURE (1 << 6) /* notification received using secure frame */
+
+#define WHC_N_DN_ENTRIES (4096 / sizeof(struct dn_buf_entry))
+
+/* The Add MMC IE WUSB Generic Command may take up to 256 bytes of
+   data. [WHCI] section 2.4.7. */
+#define WHC_GEN_CMD_DATA_LEN 256
+
+/*
+ * HC registers.
+ *
+ * [WHCI] section 2.4
+ */
+
+#define WHCIVERSION          0x00
+
+#define WHCSPARAMS           0x04
+#  define WHCSPARAMS_TO_N_MMC_IES(p) (((p) >> 16) & 0xff)
+#  define WHCSPARAMS_TO_N_KEYS(p)    (((p) >> 8) & 0xff)
+#  define WHCSPARAMS_TO_N_DEVICES(p) (((p) >> 0) & 0x7f)
+
+#define WUSBCMD              0x08
+#  define WUSBCMD_BCID(b)            ((b) << 16)
+#  define WUSBCMD_BCID_MASK          (0xff << 16)
+#  define WUSBCMD_ASYNC_QSET_RM      (1 << 12)
+#  define WUSBCMD_PERIODIC_QSET_RM   (1 << 11)
+#  define WUSBCMD_WUSBSI(s)          ((s) << 8)
+#  define WUSBCMD_WUSBSI_MASK        (0x7 << 8)
+#  define WUSBCMD_ASYNC_SYNCED_DB    (1 << 7)
+#  define WUSBCMD_PERIODIC_SYNCED_DB (1 << 6)
+#  define WUSBCMD_ASYNC_UPDATED      (1 << 5)
+#  define WUSBCMD_PERIODIC_UPDATED   (1 << 4)
+#  define WUSBCMD_ASYNC_EN           (1 << 3)
+#  define WUSBCMD_PERIODIC_EN        (1 << 2)
+#  define WUSBCMD_WHCRESET           (1 << 1)
+#  define WUSBCMD_RUN                (1 << 0)
+
+#define WUSBSTS              0x0c
+#  define WUSBSTS_ASYNC_SCHED             (1 << 15)
+#  define WUSBSTS_PERIODIC_SCHED          (1 << 14)
+#  define WUSBSTS_DNTS_SCHED              (1 << 13)
+#  define WUSBSTS_HCHALTED                (1 << 12)
+#  define WUSBSTS_GEN_CMD_DONE            (1 << 9)
+#  define WUSBSTS_CHAN_TIME_ROLLOVER      (1 << 8)
+#  define WUSBSTS_DNTS_OVERFLOW           (1 << 7)
+#  define WUSBSTS_BPST_ADJUSTMENT_CHANGED (1 << 6)
+#  define WUSBSTS_HOST_ERR                (1 << 5)
+#  define WUSBSTS_ASYNC_SCHED_SYNCED      (1 << 4)
+#  define WUSBSTS_PERIODIC_SCHED_SYNCED   (1 << 3)
+#  define WUSBSTS_DNTS_INT                (1 << 2)
+#  define WUSBSTS_ERR_INT                 (1 << 1)
+#  define WUSBSTS_INT                     (1 << 0)
+#  define WUSBSTS_INT_MASK                0x3ff
+
+#define WUSBINTR             0x10
+#  define WUSBINTR_GEN_CMD_DONE             (1 << 9)
+#  define WUSBINTR_CHAN_TIME_ROLLOVER       (1 << 8)
+#  define WUSBINTR_DNTS_OVERFLOW            (1 << 7)
+#  define WUSBINTR_BPST_ADJUSTMENT_CHANGED  (1 << 6)
+#  define WUSBINTR_HOST_ERR                 (1 << 5)
+#  define WUSBINTR_ASYNC_SCHED_SYNCED       (1 << 4)
+#  define WUSBINTR_PERIODIC_SCHED_SYNCED    (1 << 3)
+#  define WUSBINTR_DNTS_INT                 (1 << 2)
+#  define WUSBINTR_ERR_INT                  (1 << 1)
+#  define WUSBINTR_INT                      (1 << 0)
+#  define WUSBINTR_ALL 0x3ff
+
+#define WUSBGENCMDSTS        0x14
+#  define WUSBGENCMDSTS_ACTIVE (1 << 31)
+#  define WUSBGENCMDSTS_ERROR  (1 << 24)
+#  define WUSBGENCMDSTS_IOC    (1 << 23)
+#  define WUSBGENCMDSTS_MMCIE_ADD 0x01
+#  define WUSBGENCMDSTS_MMCIE_RM  0x02
+#  define WUSBGENCMDSTS_SET_MAS   0x03
+#  define WUSBGENCMDSTS_CHAN_STOP 0x04
+#  define WUSBGENCMDSTS_RWP_EN    0x05
+
+#define WUSBGENCMDPARAMS     0x18
+#define WUSBGENADDR          0x20
+#define WUSBASYNCLISTADDR    0x28
+#define WUSBDNTSBUFADDR      0x30
+#define WUSBDEVICEINFOADDR   0x38
+
+#define WUSBSETSECKEYCMD     0x40
+#  define WUSBSETSECKEYCMD_SET    (1 << 31)
+#  define WUSBSETSECKEYCMD_ERASE  (1 << 30)
+#  define WUSBSETSECKEYCMD_GTK    (1 << 8)
+#  define WUSBSETSECKEYCMD_IDX(i) ((i) << 0)
+
+#define WUSBTKID             0x44
+#define WUSBSECKEY           0x48
+#define WUSBPERIODICLISTBASE 0x58
+#define WUSBMASINDEX         0x60
+
+#define WUSBDNTSCTRL         0x64
+#  define WUSBDNTSCTRL_ACTIVE      (1 << 31)
+#  define WUSBDNTSCTRL_INTERVAL(i) ((i) << 8)
+#  define WUSBDNTSCTRL_SLOTS(s)    ((s) << 0)
+
+#define WUSBTIME             0x68
+#define WUSBBPST             0x6c
+#define WUSBDIBUPDATED       0x70
+
+#endif /* #ifndef _WHCI_WHCI_HC_H */
diff --git a/drivers/usb/host/whci/wusb.c b/drivers/usb/host/whci/wusb.c
new file mode 100644
index 00000000000..66e4ddcd961
--- /dev/null
+++ b/drivers/usb/host/whci/wusb.c
@@ -0,0 +1,241 @@
+/*
+ * Wireless Host Controller (WHC) WUSB operations.
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/uwb/umc.h>
+#define D_LOCAL 1
+#include <linux/uwb/debug.h>
+
+#include "../../wusbcore/wusbhc.h"
+
+#include "whcd.h"
+
+#if D_LOCAL >= 1
+static void dump_di(struct whc *whc, int idx)
+{
+	struct di_buf_entry *di = &whc->di_buf[idx];
+	struct device *dev = &whc->umc->dev;
+	char buf[128];
+
+	bitmap_scnprintf(buf, sizeof(buf), (unsigned long *)di->availability_info, UWB_NUM_MAS);
+
+	d_printf(1, dev, "DI[%d]\n", idx);
+	d_printf(1, dev, "  availability: %s\n", buf);
+	d_printf(1, dev, "  %c%c key idx: %d dev addr: %d\n",
+		 (di->addr_sec_info & WHC_DI_SECURE) ? 'S' : ' ',
+		 (di->addr_sec_info & WHC_DI_DISABLE) ? 'D' : ' ',
+		 (di->addr_sec_info & WHC_DI_KEY_IDX_MASK) >> 8,
+		 (di->addr_sec_info & WHC_DI_DEV_ADDR_MASK));
+}
+#else
+static inline void dump_di(struct whc *whc, int idx)
+{
+}
+#endif
+
+static int whc_update_di(struct whc *whc, int idx)
+{
+	int offset = idx / 32;
+	u32 bit = 1 << (idx % 32);
+
+	dump_di(whc, idx);
+
+	le_writel(bit, whc->base + WUSBDIBUPDATED + offset);
+
+	return whci_wait_for(&whc->umc->dev,
+			     whc->base + WUSBDIBUPDATED + offset, bit, 0,
+			     100, "DI update");
+}
+
+/*
+ * WHCI starts and stops MMCs based on there being a valid GTK so
+ * these need only start/stop the asynchronous and periodic schedules.
+ */
+
+int whc_wusbhc_start(struct wusbhc *wusbhc)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+
+	asl_start(whc);
+	pzl_start(whc);
+
+	return 0;
+}
+
+void whc_wusbhc_stop(struct wusbhc *wusbhc)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+
+	pzl_stop(whc);
+	asl_stop(whc);
+}
+
+int whc_mmcie_add(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
+		  u8 handle, struct wuie_hdr *wuie)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	u32 params;
+
+	params = (interval << 24)
+		| (repeat_cnt << 16)
+		| (wuie->bLength << 8)
+		| handle;
+
+	return whc_do_gencmd(whc, WUSBGENCMDSTS_MMCIE_ADD, params, wuie, wuie->bLength);
+}
+
+int whc_mmcie_rm(struct wusbhc *wusbhc, u8 handle)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	u32 params;
+
+	params = handle;
+
+	return whc_do_gencmd(whc, WUSBGENCMDSTS_MMCIE_RM, params, NULL, 0);
+}
+
+int whc_bwa_set(struct wusbhc *wusbhc, s8 stream_index, const struct uwb_mas_bm *mas_bm)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+
+	if (stream_index >= 0)
+		whc_write_wusbcmd(whc, WUSBCMD_WUSBSI_MASK, WUSBCMD_WUSBSI(stream_index));
+
+	return whc_do_gencmd(whc, WUSBGENCMDSTS_SET_MAS, 0, (void *)mas_bm, sizeof(*mas_bm));
+}
+
+int whc_dev_info_set(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	int idx = wusb_dev->port_idx;
+	struct di_buf_entry *di = &whc->di_buf[idx];
+	int ret;
+
+	mutex_lock(&whc->mutex);
+
+	uwb_mas_bm_copy_le(di->availability_info, &wusb_dev->availability);
+	di->addr_sec_info &= ~(WHC_DI_DISABLE | WHC_DI_DEV_ADDR_MASK);
+	di->addr_sec_info |= WHC_DI_DEV_ADDR(wusb_dev->addr);
+
+	ret = whc_update_di(whc, idx);
+
+	mutex_unlock(&whc->mutex);
+
+	return ret;
+}
+
+/*
+ * Set the number of Device Notification Time Slots (DNTS) and enable
+ * device notifications.
+ */
+int whc_set_num_dnts(struct wusbhc *wusbhc, u8 interval, u8 slots)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	u32 dntsctrl;
+
+	dntsctrl = WUSBDNTSCTRL_ACTIVE
+		| WUSBDNTSCTRL_INTERVAL(interval)
+		| WUSBDNTSCTRL_SLOTS(slots);
+
+	le_writel(dntsctrl, whc->base + WUSBDNTSCTRL);
+
+	return 0;
+}
+
+static int whc_set_key(struct whc *whc, u8 key_index, uint32_t tkid,
+		       const void *key, size_t key_size, bool is_gtk)
+{
+	uint32_t setkeycmd;
+	uint32_t seckey[4];
+	int i;
+	int ret;
+
+	memcpy(seckey, key, key_size);
+	setkeycmd = WUSBSETSECKEYCMD_SET | WUSBSETSECKEYCMD_IDX(key_index);
+	if (is_gtk)
+		setkeycmd |= WUSBSETSECKEYCMD_GTK;
+
+	le_writel(tkid, whc->base + WUSBTKID);
+	for (i = 0; i < 4; i++)
+		le_writel(seckey[i], whc->base + WUSBSECKEY + 4*i);
+	le_writel(setkeycmd, whc->base + WUSBSETSECKEYCMD);
+
+	ret = whci_wait_for(&whc->umc->dev, whc->base + WUSBSETSECKEYCMD,
+			    WUSBSETSECKEYCMD_SET, 0, 100, "set key");
+
+	return ret;
+}
+
+/**
+ * whc_set_ptk - set the PTK to use for a device.
+ *
+ * The index into the key table for this PTK is the same as the
+ * device's port index.
+ */
+int whc_set_ptk(struct wusbhc *wusbhc, u8 port_idx, u32 tkid,
+		const void *ptk, size_t key_size)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	struct di_buf_entry *di = &whc->di_buf[port_idx];
+	int ret;
+
+	mutex_lock(&whc->mutex);
+
+	if (ptk) {
+		ret = whc_set_key(whc, port_idx, tkid, ptk, key_size, false);
+		if (ret)
+			goto out;
+
+		di->addr_sec_info &= ~WHC_DI_KEY_IDX_MASK;
+		di->addr_sec_info |= WHC_DI_SECURE | WHC_DI_KEY_IDX(port_idx);
+	} else
+		di->addr_sec_info &= ~WHC_DI_SECURE;
+
+	ret = whc_update_di(whc, port_idx);
+out:
+	mutex_unlock(&whc->mutex);
+	return ret;
+}
+
+/**
+ * whc_set_gtk - set the GTK for subsequent broadcast packets
+ *
+ * The GTK is stored in the last entry in the key table (the previous
+ * N_DEVICES entries are for the per-device PTKs).
+ */
+int whc_set_gtk(struct wusbhc *wusbhc, u32 tkid,
+		const void *gtk, size_t key_size)
+{
+	struct whc *whc = wusbhc_to_whc(wusbhc);
+	int ret;
+
+	mutex_lock(&whc->mutex);
+
+	ret = whc_set_key(whc, whc->n_devices, tkid, gtk, key_size, true);
+
+	mutex_unlock(&whc->mutex);
+
+	return ret;
+}
+
+int whc_set_cluster_id(struct whc *whc, u8 bcid)
+{
+	whc_write_wusbcmd(whc, WUSBCMD_BCID_MASK, WUSBCMD_BCID(bcid));
+	return 0;
+}
-- 
GitLab


From df3654236e31f6cf425ed2ee5a74ceac366a7a9e Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:29 +0100
Subject: [PATCH 0179/2224] wusb: add the Wire Adapter (WA) core

Common code for supporting Host Wire Adapters and Device Wire Adapters.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/Makefile   |    6 +
 drivers/usb/wusbcore/wa-hc.c    |   95 ++
 drivers/usb/wusbcore/wa-hc.h    |  417 ++++++++
 drivers/usb/wusbcore/wa-nep.c   |  310 ++++++
 drivers/usb/wusbcore/wa-rpipe.c |  562 ++++++++++
 drivers/usb/wusbcore/wa-xfer.c  | 1709 +++++++++++++++++++++++++++++++
 6 files changed, 3099 insertions(+)
 create mode 100644 drivers/usb/wusbcore/wa-hc.c
 create mode 100644 drivers/usb/wusbcore/wa-hc.h
 create mode 100644 drivers/usb/wusbcore/wa-nep.c
 create mode 100644 drivers/usb/wusbcore/wa-rpipe.c
 create mode 100644 drivers/usb/wusbcore/wa-xfer.c

diff --git a/drivers/usb/wusbcore/Makefile b/drivers/usb/wusbcore/Makefile
index 6504f42ca36..7a4d0072403 100644
--- a/drivers/usb/wusbcore/Makefile
+++ b/drivers/usb/wusbcore/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_USB_WUSB)		+= wusbcore.o wusb-cbaf.o
+obj-$(CONFIG_USB_HWA_HCD)	+= wusb-wa.o
 
 wusbcore-objs := 	\
 	crypto.o	\
@@ -12,3 +13,8 @@ wusbcore-objs := 	\
 	wusbhc.o
 
 wusb-cbaf-objs := cbaf.o
+
+wusb-wa-objs :=	wa-hc.o		\
+		wa-nep.o	\
+		wa-rpipe.o	\
+		wa-xfer.o
diff --git a/drivers/usb/wusbcore/wa-hc.c b/drivers/usb/wusbcore/wa-hc.c
new file mode 100644
index 00000000000..9d04722415b
--- /dev/null
+++ b/drivers/usb/wusbcore/wa-hc.c
@@ -0,0 +1,95 @@
+/*
+ * Wire Adapter Host Controller Driver
+ * Common items to HWA and DWA based HCDs
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ */
+#include "wusbhc.h"
+#include "wa-hc.h"
+
+/**
+ * Assumes
+ *
+ * wa->usb_dev and wa->usb_iface initialized and refcounted,
+ * wa->wa_descr initialized.
+ */
+int wa_create(struct wahc *wa, struct usb_interface *iface)
+{
+	int result;
+	struct device *dev = &iface->dev;
+
+	result = wa_rpipes_create(wa);
+	if (result < 0)
+		goto error_rpipes_create;
+	/* Fill up Data Transfer EP pointers */
+	wa->dti_epd = &iface->cur_altsetting->endpoint[1].desc;
+	wa->dto_epd = &iface->cur_altsetting->endpoint[2].desc;
+	wa->xfer_result_size = le16_to_cpu(wa->dti_epd->wMaxPacketSize);
+	wa->xfer_result = kmalloc(wa->xfer_result_size, GFP_KERNEL);
+	if (wa->xfer_result == NULL)
+		goto error_xfer_result_alloc;
+	result = wa_nep_create(wa, iface);
+	if (result < 0) {
+		dev_err(dev, "WA-CDS: can't initialize notif endpoint: %d\n",
+			result);
+		goto error_nep_create;
+	}
+	return 0;
+
+error_nep_create:
+	kfree(wa->xfer_result);
+error_xfer_result_alloc:
+	wa_rpipes_destroy(wa);
+error_rpipes_create:
+	return result;
+}
+EXPORT_SYMBOL_GPL(wa_create);
+
+
+void __wa_destroy(struct wahc *wa)
+{
+	if (wa->dti_urb) {
+		usb_kill_urb(wa->dti_urb);
+		usb_put_urb(wa->dti_urb);
+		usb_kill_urb(wa->buf_in_urb);
+		usb_put_urb(wa->buf_in_urb);
+	}
+	kfree(wa->xfer_result);
+	wa_nep_destroy(wa);
+	wa_rpipes_destroy(wa);
+}
+EXPORT_SYMBOL_GPL(__wa_destroy);
+
+/**
+ * wa_reset_all - reset the WA device
+ * @wa: the WA to be reset
+ *
+ * For HWAs the radio controller and all other PALs are also reset.
+ */
+void wa_reset_all(struct wahc *wa)
+{
+	/* FIXME: assuming HWA. */
+	wusbhc_reset_all(wa->wusb);
+}
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Wireless USB Wire Adapter core");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h
new file mode 100644
index 00000000000..586d350cdb4
--- /dev/null
+++ b/drivers/usb/wusbcore/wa-hc.h
@@ -0,0 +1,417 @@
+/*
+ * HWA Host Controller Driver
+ * Wire Adapter Control/Data Streaming Iface (WUSB1.0[8])
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * This driver implements a USB Host Controller (struct usb_hcd) for a
+ * Wireless USB Host Controller based on the Wireless USB 1.0
+ * Host-Wire-Adapter specification (in layman terms, a USB-dongle that
+ * implements a Wireless USB host).
+ *
+ * Check out the Design-overview.txt file in the source documentation
+ * for other details on the implementation.
+ *
+ * Main blocks:
+ *
+ *  driver     glue with the driver API, workqueue daemon
+ *
+ *  lc         RC instance life cycle management (create, destroy...)
+ *
+ *  hcd        glue with the USB API Host Controller Interface API.
+ *
+ *  nep        Notification EndPoint managent: collect notifications
+ *             and queue them with the workqueue daemon.
+ *
+ *             Handle notifications as coming from the NEP. Sends them
+ *             off others to their respective modules (eg: connect,
+ *             disconnect and reset go to devconnect).
+ *
+ *  rpipe      Remote Pipe management; rpipe is what we use to write
+ *             to an endpoint on a WUSB device that is connected to a
+ *             HWA RC.
+ *
+ *  xfer       Transfer managment -- this is all the code that gets a
+ *             buffer and pushes it to a device (or viceversa). *
+ *
+ * Some day a lot of this code will be shared between this driver and
+ * the drivers for DWA (xfer, rpipe).
+ *
+ * All starts at driver.c:hwahc_probe(), when one of this guys is
+ * connected. hwahc_disconnect() stops it.
+ *
+ * During operation, the main driver is devices connecting or
+ * disconnecting. They cause the HWA RC to send notifications into
+ * nep.c:hwahc_nep_cb() that will dispatch them to
+ * notif.c:wa_notif_dispatch(). From there they will fan to cause
+ * device connects, disconnects, etc.
+ *
+ * Note much of the activity is difficult to follow. For example a
+ * device connect goes to devconnect, which will cause the "fake" root
+ * hub port to show a connect and stop there. Then khubd will notice
+ * and call into the rh.c:hwahc_rc_port_reset() code to authenticate
+ * the device (and this might require user intervention) and enable
+ * the port.
+ *
+ * We also have a timer workqueue going from devconnect.c that
+ * schedules in hwahc_devconnect_create().
+ *
+ * The rest of the traffic is in the usual entry points of a USB HCD,
+ * which are hooked up in driver.c:hwahc_rc_driver, and defined in
+ * hcd.c.
+ */
+
+#ifndef __HWAHC_INTERNAL_H__
+#define __HWAHC_INTERNAL_H__
+
+#include <linux/completion.h>
+#include <linux/usb.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+#include <linux/uwb.h>
+#include <linux/usb/wusb.h>
+#include <linux/usb/wusb-wa.h>
+
+struct wusbhc;
+struct wahc;
+extern void wa_urb_enqueue_run(struct work_struct *ws);
+
+/**
+ * RPipe instance
+ *
+ * @descr's fields are kept in LE, as we need to send it back and
+ * forth.
+ *
+ * @wa is referenced when set
+ *
+ * @segs_available is the number of requests segments that still can
+ *                 be submitted to the controller without overloading
+ *                 it. It is initialized to descr->wRequests when
+ *                 aiming.
+ *
+ * A rpipe supports a max of descr->wRequests at the same time; before
+ * submitting seg_lock has to be taken. If segs_avail > 0, then we can
+ * submit; if not, we have to queue them.
+ */
+struct wa_rpipe {
+	struct kref refcnt;
+	struct usb_rpipe_descriptor descr;
+	struct usb_host_endpoint *ep;
+	struct wahc *wa;
+	spinlock_t seg_lock;
+	struct list_head seg_list;
+	atomic_t segs_available;
+	u8 buffer[1];	/* For reads/writes on USB */
+};
+
+
+/**
+ * Instance of a HWA Host Controller
+ *
+ * Except where a more specific lock/mutex applies or atomic, all
+ * fields protected by @mutex.
+ *
+ * @wa_descr  Can be accessed without locking because it is in
+ *            the same area where the device descriptors were
+ *            read, so it is guaranteed to exist umodified while
+ *            the device exists.
+ *
+ *            Endianess has been converted to CPU's.
+ *
+ * @nep_* can be accessed without locking as its processing is
+ *        serialized; we submit a NEP URB and it comes to
+ *        hwahc_nep_cb(), which won't issue another URB until it is
+ *        done processing it.
+ *
+ * @xfer_list:
+ *
+ *   List of active transfers to verify existence from a xfer id
+ *   gotten from the xfer result message. Can't use urb->list because
+ *   it goes by endpoint, and we don't know the endpoint at the time
+ *   when we get the xfer result message. We can't really rely on the
+ *   pointer (will have to change for 64 bits) as the xfer id is 32 bits.
+ *
+ * @xfer_delayed_list:   List of transfers that need to be started
+ *                       (with a workqueue, because they were
+ *                       submitted from an atomic context).
+ *
+ * FIXME: this needs to be layered up: a wusbhc layer (for sharing
+ *        comonalities with WHCI), a wa layer (for sharing
+ *        comonalities with DWA-RC).
+ */
+struct wahc {
+	struct usb_device *usb_dev;
+	struct usb_interface *usb_iface;
+
+	/* HC to deliver notifications */
+	union {
+		struct wusbhc *wusb;
+		struct dwahc *dwa;
+	};
+
+	const struct usb_endpoint_descriptor *dto_epd, *dti_epd;
+	const struct usb_wa_descriptor *wa_descr;
+
+	struct urb *nep_urb;		/* Notification EndPoint [lockless] */
+	struct edc nep_edc;
+	void *nep_buffer;
+	size_t nep_buffer_size;
+
+	atomic_t notifs_queued;
+
+	u16 rpipes;
+	unsigned long *rpipe_bm;	/* rpipe usage bitmap */
+	spinlock_t rpipe_bm_lock;	/* protect rpipe_bm */
+	struct mutex rpipe_mutex;	/* assigning resources to endpoints */
+
+	struct urb *dti_urb;		/* URB for reading xfer results */
+	struct urb *buf_in_urb;		/* URB for reading data in */
+	struct edc dti_edc;		/* DTI error density counter */
+	struct wa_xfer_result *xfer_result; /* real size = dti_ep maxpktsize */
+	size_t xfer_result_size;
+
+	s32 status;			/* For reading status */
+
+	struct list_head xfer_list;
+	struct list_head xfer_delayed_list;
+	spinlock_t xfer_list_lock;
+	struct work_struct xfer_work;
+	atomic_t xfer_id_count;
+};
+
+
+extern int wa_create(struct wahc *wa, struct usb_interface *iface);
+extern void __wa_destroy(struct wahc *wa);
+void wa_reset_all(struct wahc *wa);
+
+
+/* Miscellaneous constants */
+enum {
+	/** Max number of EPROTO errors we tolerate on the NEP in a
+	 * period of time */
+	HWAHC_EPROTO_MAX = 16,
+	/** Period of time for EPROTO errors (in jiffies) */
+	HWAHC_EPROTO_PERIOD = 4 * HZ,
+};
+
+
+/* Notification endpoint handling */
+extern int wa_nep_create(struct wahc *, struct usb_interface *);
+extern void wa_nep_destroy(struct wahc *);
+
+static inline int wa_nep_arm(struct wahc *wa, gfp_t gfp_mask)
+{
+	struct urb *urb = wa->nep_urb;
+	urb->transfer_buffer = wa->nep_buffer;
+	urb->transfer_buffer_length = wa->nep_buffer_size;
+	return usb_submit_urb(urb, gfp_mask);
+}
+
+static inline void wa_nep_disarm(struct wahc *wa)
+{
+	usb_kill_urb(wa->nep_urb);
+}
+
+
+/* RPipes */
+static inline void wa_rpipe_init(struct wahc *wa)
+{
+	spin_lock_init(&wa->rpipe_bm_lock);
+	mutex_init(&wa->rpipe_mutex);
+}
+
+static inline void wa_init(struct wahc *wa)
+{
+	edc_init(&wa->nep_edc);
+	atomic_set(&wa->notifs_queued, 0);
+	wa_rpipe_init(wa);
+	edc_init(&wa->dti_edc);
+	INIT_LIST_HEAD(&wa->xfer_list);
+	INIT_LIST_HEAD(&wa->xfer_delayed_list);
+	spin_lock_init(&wa->xfer_list_lock);
+	INIT_WORK(&wa->xfer_work, wa_urb_enqueue_run);
+	atomic_set(&wa->xfer_id_count, 1);
+}
+
+/**
+ * Destroy a pipe (when refcount drops to zero)
+ *
+ * Assumes it has been moved to the "QUIESCING" state.
+ */
+struct wa_xfer;
+extern void rpipe_destroy(struct kref *_rpipe);
+static inline
+void __rpipe_get(struct wa_rpipe *rpipe)
+{
+	kref_get(&rpipe->refcnt);
+}
+extern int rpipe_get_by_ep(struct wahc *, struct usb_host_endpoint *,
+			   struct urb *, gfp_t);
+static inline void rpipe_put(struct wa_rpipe *rpipe)
+{
+	kref_put(&rpipe->refcnt, rpipe_destroy);
+
+}
+extern void rpipe_ep_disable(struct wahc *, struct usb_host_endpoint *);
+extern int wa_rpipes_create(struct wahc *);
+extern void wa_rpipes_destroy(struct wahc *);
+static inline void rpipe_avail_dec(struct wa_rpipe *rpipe)
+{
+	atomic_dec(&rpipe->segs_available);
+}
+
+/**
+ * Returns true if the rpipe is ready to submit more segments.
+ */
+static inline int rpipe_avail_inc(struct wa_rpipe *rpipe)
+{
+	return atomic_inc_return(&rpipe->segs_available) > 0
+		&& !list_empty(&rpipe->seg_list);
+}
+
+
+/* Transferring data */
+extern int wa_urb_enqueue(struct wahc *, struct usb_host_endpoint *,
+			  struct urb *, gfp_t);
+extern int wa_urb_dequeue(struct wahc *, struct urb *);
+extern void wa_handle_notif_xfer(struct wahc *, struct wa_notif_hdr *);
+
+
+/* Misc
+ *
+ * FIXME: Refcounting for the actual @hwahc object is not correct; I
+ *        mean, this should be refcounting on the HCD underneath, but
+ *        it is not. In any case, the semantics for HCD refcounting
+ *        are *weird*...on refcount reaching zero it just frees
+ *        it...no RC specific function is called...unless I miss
+ *        something.
+ *
+ * FIXME: has to go away in favour of an 'struct' hcd based sollution
+ */
+static inline struct wahc *wa_get(struct wahc *wa)
+{
+	usb_get_intf(wa->usb_iface);
+	return wa;
+}
+
+static inline void wa_put(struct wahc *wa)
+{
+	usb_put_intf(wa->usb_iface);
+}
+
+
+static inline int __wa_feature(struct wahc *wa, unsigned op, u16 feature)
+{
+	return usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			op ? USB_REQ_SET_FEATURE : USB_REQ_CLEAR_FEATURE,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			feature,
+			wa->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+			NULL, 0, 1000 /* FIXME: arbitrary */);
+}
+
+
+static inline int __wa_set_feature(struct wahc *wa, u16 feature)
+{
+	return  __wa_feature(wa, 1, feature);
+}
+
+
+static inline int __wa_clear_feature(struct wahc *wa, u16 feature)
+{
+	return __wa_feature(wa, 0, feature);
+}
+
+
+/**
+ * Return the status of a Wire Adapter
+ *
+ * @wa:		Wire Adapter instance
+ * @returns     < 0 errno code on error, or status bitmap as described
+ *              in WUSB1.0[8.3.1.6].
+ *
+ * NOTE: need malloc, some arches don't take USB from the stack
+ */
+static inline
+s32 __wa_get_status(struct wahc *wa)
+{
+	s32 result;
+	result = usb_control_msg(
+		wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0),
+		USB_REQ_GET_STATUS,
+		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		0, wa->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+		&wa->status, sizeof(wa->status),
+		1000 /* FIXME: arbitrary */);
+	if (result >= 0)
+		result = wa->status;
+	return result;
+}
+
+
+/**
+ * Waits until the Wire Adapter's status matches @mask/@value
+ *
+ * @wa:		Wire Adapter instance.
+ * @returns     < 0 errno code on error, otherwise status.
+ *
+ * Loop until the WAs status matches the mask and value (status & mask
+ * == value). Timeout if it doesn't happen.
+ *
+ * FIXME: is there an official specification on how long status
+ *        changes can take?
+ */
+static inline s32 __wa_wait_status(struct wahc *wa, u32 mask, u32 value)
+{
+	s32 result;
+	unsigned loops = 10;
+	do {
+		msleep(50);
+		result = __wa_get_status(wa);
+		if ((result & mask) == value)
+			break;
+		if (loops-- == 0) {
+			result = -ETIMEDOUT;
+			break;
+		}
+	} while (result >= 0);
+	return result;
+}
+
+
+/** Command @hwahc to stop, @returns 0 if ok, < 0 errno code on error */
+static inline int __wa_stop(struct wahc *wa)
+{
+	int result;
+	struct device *dev = &wa->usb_iface->dev;
+
+	result = __wa_clear_feature(wa, WA_ENABLE);
+	if (result < 0 && result != -ENODEV) {
+		dev_err(dev, "error commanding HC to stop: %d\n", result);
+		goto out;
+	}
+	result = __wa_wait_status(wa, WA_ENABLE, 0);
+	if (result < 0 && result != -ENODEV)
+		dev_err(dev, "error waiting for HC to stop: %d\n", result);
+out:
+	return 0;
+}
+
+
+#endif /* #ifndef __HWAHC_INTERNAL_H__ */
diff --git a/drivers/usb/wusbcore/wa-nep.c b/drivers/usb/wusbcore/wa-nep.c
new file mode 100644
index 00000000000..3f542990c73
--- /dev/null
+++ b/drivers/usb/wusbcore/wa-nep.c
@@ -0,0 +1,310 @@
+/*
+ * WUSB Wire Adapter: Control/Data Streaming Interface (WUSB[8])
+ * Notification EndPoint support
+ *
+ * Copyright (C) 2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * This part takes care of getting the notification from the hw
+ * only and dispatching through wusbwad into
+ * wa_notif_dispatch. Handling is done there.
+ *
+ * WA notifications are limited in size; most of them are three or
+ * four bytes long, and the longest is the HWA Device Notification,
+ * which would not exceed 38 bytes (DNs are limited in payload to 32
+ * bytes plus 3 bytes header (WUSB1.0[7.6p2]), plus 3 bytes HWA
+ * header (WUSB1.0[8.5.4.2]).
+ *
+ * It is not clear if more than one Device Notification can be packed
+ * in a HWA Notification, I assume no because of the wording in
+ * WUSB1.0[8.5.4.2]. In any case, the bigger any notification could
+ * get is 256 bytes (as the bLength field is a byte).
+ *
+ * So what we do is we have this buffer and read into it; when a
+ * notification arrives we schedule work to a specific, single thread
+ * workqueue (so notifications are serialized) and copy the
+ * notification data. After scheduling the work, we rearm the read from
+ * the notification endpoint.
+ *
+ * Entry points here are:
+ *
+ * wa_nep_[create|destroy]()   To initialize/release this subsystem
+ *
+ * wa_nep_cb()                 Callback for the notification
+ *                                endpoint; when data is ready, this
+ *                                does the dispatching.
+ */
+#include <linux/workqueue.h>
+#include <linux/ctype.h>
+#include <linux/uwb/debug.h>
+#include "wa-hc.h"
+#include "wusbhc.h"
+
+/* Structure for queueing notifications to the workqueue */
+struct wa_notif_work {
+	struct work_struct work;
+	struct wahc *wa;
+	size_t size;
+	u8 data[];
+};
+
+/*
+ * Process incoming notifications from the WA's Notification EndPoint
+ * [the wuswad daemon, basically]
+ *
+ * @_nw:	Pointer to a descriptor which has the pointer to the
+ * 		@wa, the size of the buffer and the work queue
+ * 		structure (so we can free all when done).
+ * @returns     0 if ok, < 0 errno code on error.
+ *
+ * All notifications follow the same format; they need to start with a
+ * 'struct wa_notif_hdr' header, so it is easy to parse through
+ * them. We just break the buffer in individual notifications (the
+ * standard doesn't say if it can be done or is forbidden, so we are
+ * cautious) and dispatch each.
+ *
+ * So the handling layers are is:
+ *
+ *   WA specific notification (from NEP)
+ *      Device Notification Received -> wa_handle_notif_dn()
+ *        WUSB Device notification generic handling
+ *      BPST Adjustment -> wa_handle_notif_bpst_adj()
+ *      ... -> ...
+ *
+ * @wa has to be referenced
+ */
+static void wa_notif_dispatch(struct work_struct *ws)
+{
+	void *itr;
+	u8 missing = 0;
+	struct wa_notif_work *nw = container_of(ws, struct wa_notif_work, work);
+	struct wahc *wa = nw->wa;
+	struct wa_notif_hdr *notif_hdr;
+	size_t size;
+
+	struct device *dev = &wa->usb_iface->dev;
+
+#if 0
+	/* FIXME: need to check for this??? */
+	if (usb_hcd->state == HC_STATE_QUIESCING)	/* Going down? */
+		goto out;				/* screw it */
+#endif
+	atomic_dec(&wa->notifs_queued);		/* Throttling ctl */
+	dev = &wa->usb_iface->dev;
+	size = nw->size;
+	itr = nw->data;
+
+	while (size) {
+		if (size < sizeof(*notif_hdr)) {
+			missing = sizeof(*notif_hdr) - size;
+			goto exhausted_buffer;
+		}
+		notif_hdr = itr;
+		if (size < notif_hdr->bLength)
+			goto exhausted_buffer;
+		itr += notif_hdr->bLength;
+		size -= notif_hdr->bLength;
+		/* Dispatch the notification [don't use itr or size!] */
+		switch (notif_hdr->bNotifyType) {
+		case HWA_NOTIF_DN: {
+			struct hwa_notif_dn *hwa_dn;
+			hwa_dn = container_of(notif_hdr, struct hwa_notif_dn,
+					      hdr);
+			wusbhc_handle_dn(wa->wusb, hwa_dn->bSourceDeviceAddr,
+					 hwa_dn->dndata,
+					 notif_hdr->bLength - sizeof(*hwa_dn));
+			break;
+		}
+		case WA_NOTIF_TRANSFER:
+			wa_handle_notif_xfer(wa, notif_hdr);
+			break;
+		case DWA_NOTIF_RWAKE:
+		case DWA_NOTIF_PORTSTATUS:
+		case HWA_NOTIF_BPST_ADJ:
+			/* FIXME: unimplemented WA NOTIFs */
+			/* fallthru */
+		default:
+			if (printk_ratelimit()) {
+				dev_err(dev, "HWA: unknown notification 0x%x, "
+					"%zu bytes; discarding\n",
+					notif_hdr->bNotifyType,
+					(size_t)notif_hdr->bLength);
+				dump_bytes(dev, notif_hdr, 16);
+			}
+			break;
+		}
+	}
+out:
+	wa_put(wa);
+	kfree(nw);
+	return;
+
+	/* THIS SHOULD NOT HAPPEN
+	 *
+	 * Buffer exahusted with partial data remaining; just warn and
+	 * discard the data, as this should not happen.
+	 */
+exhausted_buffer:
+	if (!printk_ratelimit())
+		goto out;
+	dev_warn(dev, "HWA: device sent short notification, "
+		 "%d bytes missing; discarding %d bytes.\n",
+		 missing, (int)size);
+	dump_bytes(dev, itr, size);
+	goto out;
+}
+
+/*
+ * Deliver incoming WA notifications to the wusbwa workqueue
+ *
+ * @wa:	Pointer the Wire Adapter Controller Data Streaming
+ *              instance (part of an 'struct usb_hcd').
+ * @size:       Size of the received buffer
+ * @returns     0 if ok, < 0 errno code on error.
+ *
+ * The input buffer is @wa->nep_buffer, with @size bytes
+ * (guaranteed to fit in the allocated space,
+ * @wa->nep_buffer_size).
+ */
+static int wa_nep_queue(struct wahc *wa, size_t size)
+{
+	int result = 0;
+	struct device *dev = &wa->usb_iface->dev;
+	struct wa_notif_work *nw;
+
+	/* dev_fnstart(dev, "(wa %p, size %zu)\n", wa, size); */
+	BUG_ON(size > wa->nep_buffer_size);
+	if (size == 0)
+		goto out;
+	if (atomic_read(&wa->notifs_queued) > 200) {
+		if (printk_ratelimit())
+			dev_err(dev, "Too many notifications queued, "
+				"throttling back\n");
+		goto out;
+	}
+	nw = kzalloc(sizeof(*nw) + size, GFP_ATOMIC);
+	if (nw == NULL) {
+		if (printk_ratelimit())
+			dev_err(dev, "No memory to queue notification\n");
+		goto out;
+	}
+	INIT_WORK(&nw->work, wa_notif_dispatch);
+	nw->wa = wa_get(wa);
+	nw->size = size;
+	memcpy(nw->data, wa->nep_buffer, size);
+	atomic_inc(&wa->notifs_queued);		/* Throttling ctl */
+	queue_work(wusbd, &nw->work);
+out:
+	/* dev_fnend(dev, "(wa %p, size %zu) = result\n", wa, size, result); */
+	return result;
+}
+
+/*
+ * Callback for the notification event endpoint
+ *
+ * Check's that everything is fine and then passes the data to be
+ * queued to the workqueue.
+ */
+static void wa_nep_cb(struct urb *urb)
+{
+	int result;
+	struct wahc *wa = urb->context;
+	struct device *dev = &wa->usb_iface->dev;
+
+	switch (result = urb->status) {
+	case 0:
+		result = wa_nep_queue(wa, urb->actual_length);
+		if (result < 0)
+			dev_err(dev, "NEP: unable to process notification(s): "
+				"%d\n", result);
+		break;
+	case -ECONNRESET:	/* Not an error, but a controlled situation; */
+	case -ENOENT:		/* (we killed the URB)...so, no broadcast */
+	case -ESHUTDOWN:
+		dev_dbg(dev, "NEP: going down %d\n", urb->status);
+		goto out;
+	default:	/* On general errors, we retry unless it gets ugly */
+		if (edc_inc(&wa->nep_edc, EDC_MAX_ERRORS,
+			    EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "NEP: URB max acceptable errors "
+				"exceeded, resetting device\n");
+			wa_reset_all(wa);
+			goto out;
+		}
+		dev_err(dev, "NEP: URB error %d\n", urb->status);
+	}
+	result = wa_nep_arm(wa, GFP_ATOMIC);
+	if (result < 0) {
+		dev_err(dev, "NEP: cannot submit URB: %d\n", result);
+		wa_reset_all(wa);
+	}
+out:
+	return;
+}
+
+/*
+ * Initialize @wa's notification and event's endpoint stuff
+ *
+ * This includes the allocating the read buffer, the context ID
+ * allocation bitmap, the URB and submitting the URB.
+ */
+int wa_nep_create(struct wahc *wa, struct usb_interface *iface)
+{
+	int result;
+	struct usb_endpoint_descriptor *epd;
+	struct usb_device *usb_dev = interface_to_usbdev(iface);
+	struct device *dev = &iface->dev;
+
+	edc_init(&wa->nep_edc);
+	epd = &iface->cur_altsetting->endpoint[0].desc;
+	wa->nep_buffer_size = 1024;
+	wa->nep_buffer = kmalloc(wa->nep_buffer_size, GFP_KERNEL);
+	if (wa->nep_buffer == NULL) {
+		dev_err(dev, "Unable to allocate notification's read buffer\n");
+		goto error_nep_buffer;
+	}
+	wa->nep_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (wa->nep_urb == NULL) {
+		dev_err(dev, "Unable to allocate notification URB\n");
+		goto error_urb_alloc;
+	}
+	usb_fill_int_urb(wa->nep_urb, usb_dev,
+			 usb_rcvintpipe(usb_dev, epd->bEndpointAddress),
+			 wa->nep_buffer, wa->nep_buffer_size,
+			 wa_nep_cb, wa, epd->bInterval);
+	result = wa_nep_arm(wa, GFP_KERNEL);
+	if (result < 0) {
+		dev_err(dev, "Cannot submit notification URB: %d\n", result);
+		goto error_nep_arm;
+	}
+	return 0;
+
+error_nep_arm:
+	usb_free_urb(wa->nep_urb);
+error_urb_alloc:
+	kfree(wa->nep_buffer);
+error_nep_buffer:
+	return -ENOMEM;
+}
+
+void wa_nep_destroy(struct wahc *wa)
+{
+	wa_nep_disarm(wa);
+	usb_free_urb(wa->nep_urb);
+	kfree(wa->nep_buffer);
+}
diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c
new file mode 100644
index 00000000000..bfe3752e7c9
--- /dev/null
+++ b/drivers/usb/wusbcore/wa-rpipe.c
@@ -0,0 +1,562 @@
+/*
+ * WUSB Wire Adapter
+ * rpipe management
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * FIXME: docs
+ *
+ * RPIPE
+ *
+ *   Targetted at different downstream endpoints
+ *
+ *   Descriptor: use to config the remote pipe.
+ *
+ *   The number of blocks could be dynamic (wBlocks in descriptor is
+ *   0)--need to schedule them then.
+ *
+ * Each bit in wa->rpipe_bm represents if an rpipe is being used or
+ * not. Rpipes are represented with a 'struct wa_rpipe' that is
+ * attached to the hcpriv member of a 'struct usb_host_endpoint'.
+ *
+ * When you need to xfer data to an endpoint, you get an rpipe for it
+ * with wa_ep_rpipe_get(), which gives you a reference to the rpipe
+ * and keeps a single one (the first one) with the endpoint. When you
+ * are done transferring, you drop that reference. At the end the
+ * rpipe is always allocated and bound to the endpoint. There it might
+ * be recycled when not used.
+ *
+ * Addresses:
+ *
+ *  We use a 1:1 mapping mechanism between port address (0 based
+ *  index, actually) and the address. The USB stack knows about this.
+ *
+ *  USB Stack port number    4 (1 based)
+ *  WUSB code port index     3 (0 based)
+ *  USB Addresss             5 (2 based -- 0 is for default, 1 for root hub)
+ *
+ *  Now, because we don't use the concept as default address exactly
+ *  like the (wired) USB code does, we need to kind of skip it. So we
+ *  never take addresses from the urb->pipe, but from the
+ *  urb->dev->devnum, to make sure that we always have the right
+ *  destination address.
+ */
+#include <linux/init.h>
+#include <asm/atomic.h>
+#include <linux/bitmap.h>
+#include "wusbhc.h"
+#include "wa-hc.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+
+static int __rpipe_get_descr(struct wahc *wa,
+			     struct usb_rpipe_descriptor *descr, u16 index)
+{
+	ssize_t result;
+	struct device *dev = &wa->usb_iface->dev;
+
+	/* Get the RPIPE descriptor -- we cannot use the usb_get_descriptor()
+	 * function because the arguments are different.
+	 */
+	d_printf(1, dev, "rpipe %u: get descr\n", index);
+	result = usb_control_msg(
+		wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0),
+		USB_REQ_GET_DESCRIPTOR,
+		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_RPIPE,
+		USB_DT_RPIPE<<8, index, descr, sizeof(*descr),
+		1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "rpipe %u: get descriptor failed: %d\n",
+			index, (int)result);
+		goto error;
+	}
+	if (result < sizeof(*descr)) {
+		dev_err(dev, "rpipe %u: got short descriptor "
+			"(%zd vs %zd bytes needed)\n",
+			index, result, sizeof(*descr));
+		result = -EINVAL;
+		goto error;
+	}
+	result = 0;
+
+error:
+	return result;
+}
+
+/*
+ *
+ * The descriptor is assumed to be properly initialized (ie: you got
+ * it through __rpipe_get_descr()).
+ */
+static int __rpipe_set_descr(struct wahc *wa,
+			     struct usb_rpipe_descriptor *descr, u16 index)
+{
+	ssize_t result;
+	struct device *dev = &wa->usb_iface->dev;
+
+	/* we cannot use the usb_get_descriptor() function because the
+	 * arguments are different.
+	 */
+	d_printf(1, dev, "rpipe %u: set descr\n", index);
+	result = usb_control_msg(
+		wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+		USB_REQ_SET_DESCRIPTOR,
+		USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_RPIPE,
+		USB_DT_RPIPE<<8, index, descr, sizeof(*descr),
+		HZ / 10);
+	if (result < 0) {
+		dev_err(dev, "rpipe %u: set descriptor failed: %d\n",
+			index, (int)result);
+		goto error;
+	}
+	if (result < sizeof(*descr)) {
+		dev_err(dev, "rpipe %u: sent short descriptor "
+			"(%zd vs %zd bytes required)\n",
+			index, result, sizeof(*descr));
+		result = -EINVAL;
+		goto error;
+	}
+	result = 0;
+
+error:
+	return result;
+
+}
+
+static void rpipe_init(struct wa_rpipe *rpipe)
+{
+	kref_init(&rpipe->refcnt);
+	spin_lock_init(&rpipe->seg_lock);
+	INIT_LIST_HEAD(&rpipe->seg_list);
+}
+
+static unsigned rpipe_get_idx(struct wahc *wa, unsigned rpipe_idx)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&wa->rpipe_bm_lock, flags);
+	rpipe_idx = find_next_zero_bit(wa->rpipe_bm, wa->rpipes, rpipe_idx);
+	if (rpipe_idx < wa->rpipes)
+		set_bit(rpipe_idx, wa->rpipe_bm);
+	spin_unlock_irqrestore(&wa->rpipe_bm_lock, flags);
+
+	return rpipe_idx;
+}
+
+static void rpipe_put_idx(struct wahc *wa, unsigned rpipe_idx)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&wa->rpipe_bm_lock, flags);
+	clear_bit(rpipe_idx, wa->rpipe_bm);
+	spin_unlock_irqrestore(&wa->rpipe_bm_lock, flags);
+}
+
+void rpipe_destroy(struct kref *_rpipe)
+{
+	struct wa_rpipe *rpipe = container_of(_rpipe, struct wa_rpipe, refcnt);
+	u8 index = le16_to_cpu(rpipe->descr.wRPipeIndex);
+	d_fnstart(1, NULL, "(rpipe %p %u)\n", rpipe, index);
+	if (rpipe->ep)
+		rpipe->ep->hcpriv = NULL;
+	rpipe_put_idx(rpipe->wa, index);
+	wa_put(rpipe->wa);
+	kfree(rpipe);
+	d_fnend(1, NULL, "(rpipe %p %u)\n", rpipe, index);
+}
+EXPORT_SYMBOL_GPL(rpipe_destroy);
+
+/*
+ * Locate an idle rpipe, create an structure for it and return it
+ *
+ * @wa 	  is referenced and unlocked
+ * @crs   enum rpipe_attr, required endpoint characteristics
+ *
+ * The rpipe can be used only sequentially (not in parallel).
+ *
+ * The rpipe is moved into the "ready" state.
+ */
+static int rpipe_get_idle(struct wa_rpipe **prpipe, struct wahc *wa, u8 crs,
+			  gfp_t gfp)
+{
+	int result;
+	unsigned rpipe_idx;
+	struct wa_rpipe *rpipe;
+	struct device *dev = &wa->usb_iface->dev;
+
+	d_fnstart(3, dev, "(wa %p crs 0x%02x)\n", wa, crs);
+	rpipe = kzalloc(sizeof(*rpipe), gfp);
+	if (rpipe == NULL)
+		return -ENOMEM;
+	rpipe_init(rpipe);
+
+	/* Look for an idle pipe */
+	for (rpipe_idx = 0; rpipe_idx < wa->rpipes; rpipe_idx++) {
+		rpipe_idx = rpipe_get_idx(wa, rpipe_idx);
+		if (rpipe_idx >= wa->rpipes)	/* no more pipes :( */
+			break;
+		result =  __rpipe_get_descr(wa, &rpipe->descr, rpipe_idx);
+		if (result < 0)
+			dev_err(dev, "Can't get descriptor for rpipe %u: %d\n",
+				rpipe_idx, result);
+		else if ((rpipe->descr.bmCharacteristics & crs) != 0)
+			goto found;
+		rpipe_put_idx(wa, rpipe_idx);
+	}
+	*prpipe = NULL;
+	kfree(rpipe);
+	d_fnend(3, dev, "(wa %p crs 0x%02x) = -ENXIO\n", wa, crs);
+	return -ENXIO;
+
+found:
+	set_bit(rpipe_idx, wa->rpipe_bm);
+	rpipe->wa = wa_get(wa);
+	*prpipe = rpipe;
+	d_fnstart(3, dev, "(wa %p crs 0x%02x) = 0\n", wa, crs);
+	return 0;
+}
+
+static int __rpipe_reset(struct wahc *wa, unsigned index)
+{
+	int result;
+	struct device *dev = &wa->usb_iface->dev;
+
+	d_printf(1, dev, "rpipe %u: reset\n", index);
+	result = usb_control_msg(
+		wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+		USB_REQ_RPIPE_RESET,
+		USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_RPIPE,
+		0, index, NULL, 0, 1000 /* FIXME: arbitrary */);
+	if (result < 0)
+		dev_err(dev, "rpipe %u: reset failed: %d\n",
+			index, result);
+	return result;
+}
+
+/*
+ * Fake companion descriptor for ep0
+ *
+ * See WUSB1.0[7.4.4], most of this is zero for bulk/int/ctl
+ */
+static struct usb_wireless_ep_comp_descriptor epc0 = {
+	.bLength = sizeof(epc0),
+	.bDescriptorType = USB_DT_WIRELESS_ENDPOINT_COMP,
+/*	.bMaxBurst = 1, */
+	.bMaxSequence = 31,
+};
+
+/*
+ * Look for EP companion descriptor
+ *
+ * Get there, look for Inara in the endpoint's extra descriptors
+ */
+static struct usb_wireless_ep_comp_descriptor *rpipe_epc_find(
+		struct device *dev, struct usb_host_endpoint *ep)
+{
+	void *itr;
+	size_t itr_size;
+	struct usb_descriptor_header *hdr;
+	struct usb_wireless_ep_comp_descriptor *epcd;
+
+	d_fnstart(3, dev, "(ep %p)\n", ep);
+	if (ep->desc.bEndpointAddress == 0) {
+		epcd = &epc0;
+		goto out;
+	}
+	itr = ep->extra;
+	itr_size = ep->extralen;
+	epcd = NULL;
+	while (itr_size > 0) {
+		if (itr_size < sizeof(*hdr)) {
+			dev_err(dev, "HW Bug? ep 0x%02x: extra descriptors "
+				"at offset %zu: only %zu bytes left\n",
+				ep->desc.bEndpointAddress,
+				itr - (void *) ep->extra, itr_size);
+			break;
+		}
+		hdr = itr;
+		if (hdr->bDescriptorType == USB_DT_WIRELESS_ENDPOINT_COMP) {
+			epcd = itr;
+			break;
+		}
+		if (hdr->bLength > itr_size) {
+			dev_err(dev, "HW Bug? ep 0x%02x: extra descriptor "
+				"at offset %zu (type 0x%02x) "
+				"length %d but only %zu bytes left\n",
+				ep->desc.bEndpointAddress,
+				itr - (void *) ep->extra, hdr->bDescriptorType,
+				hdr->bLength, itr_size);
+			break;
+		}
+		itr += hdr->bLength;
+		itr_size -= hdr->bDescriptorType;
+	}
+out:
+	d_fnend(3, dev, "(ep %p) = %p\n", ep, epcd);
+	return epcd;
+}
+
+/*
+ * Aim an rpipe to its device & endpoint destination
+ *
+ * Make sure we change the address to unauthenticathed if the device
+ * is WUSB and it is not authenticated.
+ */
+static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,
+		     struct usb_host_endpoint *ep, struct urb *urb, gfp_t gfp)
+{
+	int result = -ENOMSG;	/* better code for lack of companion? */
+	struct device *dev = &wa->usb_iface->dev;
+	struct usb_device *usb_dev = urb->dev;
+	struct usb_wireless_ep_comp_descriptor *epcd;
+	u8 unauth;
+
+	d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n",
+		    rpipe, wa, ep, urb);
+	epcd = rpipe_epc_find(dev, ep);
+	if (epcd == NULL) {
+		dev_err(dev, "ep 0x%02x: can't find companion descriptor\n",
+			ep->desc.bEndpointAddress);
+		goto error;
+	}
+	unauth = usb_dev->wusb && !usb_dev->authenticated ? 0x80 : 0;
+	__rpipe_reset(wa, le16_to_cpu(rpipe->descr.wRPipeIndex));
+	atomic_set(&rpipe->segs_available, le16_to_cpu(rpipe->descr.wRequests));
+	/* FIXME: block allocation system; request with queuing and timeout */
+	/* FIXME: compute so seg_size > ep->maxpktsize */
+	rpipe->descr.wBlocks = cpu_to_le16(16);		/* given */
+	/* ep0 maxpktsize is 0x200 (WUSB1.0[4.8.1]) */
+	rpipe->descr.wMaxPacketSize = cpu_to_le16(ep->desc.wMaxPacketSize);
+	rpipe->descr.bHSHubAddress = 0;			/* reserved: zero */
+	rpipe->descr.bHSHubPort = wusb_port_no_to_idx(urb->dev->portnum);
+	/* FIXME: use maximum speed as supported or recommended by device */
+	rpipe->descr.bSpeed = usb_pipeendpoint(urb->pipe) == 0 ?
+		UWB_PHY_RATE_53 : UWB_PHY_RATE_200;
+	d_printf(2, dev, "addr %u (0x%02x) rpipe #%u ep# %u speed %d\n",
+		 urb->dev->devnum, urb->dev->devnum | unauth,
+		 le16_to_cpu(rpipe->descr.wRPipeIndex),
+		 usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed);
+	/* see security.c:wusb_update_address() */
+	if (unlikely(urb->dev->devnum == 0x80))
+		rpipe->descr.bDeviceAddress = 0;
+	else
+		rpipe->descr.bDeviceAddress = urb->dev->devnum | unauth;
+	rpipe->descr.bEndpointAddress = ep->desc.bEndpointAddress;
+	/* FIXME: bDataSequence */
+	rpipe->descr.bDataSequence = 0;
+	/* FIXME: dwCurrentWindow */
+	rpipe->descr.dwCurrentWindow = cpu_to_le32(1);
+	/* FIXME: bMaxDataSequence */
+	rpipe->descr.bMaxDataSequence = epcd->bMaxSequence - 1;
+	rpipe->descr.bInterval = ep->desc.bInterval;
+	/* FIXME: bOverTheAirInterval */
+	rpipe->descr.bOverTheAirInterval = 0;	/* 0 if not isoc */
+	/* FIXME: xmit power & preamble blah blah */
+	rpipe->descr.bmAttribute = ep->desc.bmAttributes & 0x03;
+	/* rpipe->descr.bmCharacteristics RO */
+	/* FIXME: bmRetryOptions */
+	rpipe->descr.bmRetryOptions = 15;
+	/* FIXME: use for assessing link quality? */
+	rpipe->descr.wNumTransactionErrors = 0;
+	result = __rpipe_set_descr(wa, &rpipe->descr,
+				   le16_to_cpu(rpipe->descr.wRPipeIndex));
+	if (result < 0) {
+		dev_err(dev, "Cannot aim rpipe: %d\n", result);
+		goto error;
+	}
+	result = 0;
+error:
+	d_fnend(3, dev, "(rpipe %p wa %p ep %p urb %p) = %d\n",
+		  rpipe, wa, ep, urb, result);
+	return result;
+}
+
+/*
+ * Check an aimed rpipe to make sure it points to where we want
+ *
+ * We use bit 19 of the Linux USB pipe bitmap for unauth vs auth
+ * space; when it is like that, we or 0x80 to make an unauth address.
+ */
+static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa,
+			   const struct usb_host_endpoint *ep,
+			   const struct urb *urb, gfp_t gfp)
+{
+	int result = 0;		/* better code for lack of companion? */
+	struct device *dev = &wa->usb_iface->dev;
+	struct usb_device *usb_dev = urb->dev;
+	u8 unauth = (usb_dev->wusb && !usb_dev->authenticated) ? 0x80 : 0;
+	u8 portnum = wusb_port_no_to_idx(urb->dev->portnum);
+
+	d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n",
+		    rpipe, wa, ep, urb);
+#define AIM_CHECK(rdf, val, text)					\
+	do {								\
+		if (rpipe->descr.rdf != (val)) {			\
+			dev_err(dev,					\
+				"rpipe aim discrepancy: " #rdf " " text "\n", \
+				rpipe->descr.rdf, (val));		\
+			result = -EINVAL;				\
+			WARN_ON(1);					\
+		}							\
+	} while (0)
+	AIM_CHECK(wMaxPacketSize, cpu_to_le16(ep->desc.wMaxPacketSize),
+		  "(%u vs %u)");
+	AIM_CHECK(bHSHubPort, portnum, "(%u vs %u)");
+	AIM_CHECK(bSpeed, usb_pipeendpoint(urb->pipe) == 0 ?
+			UWB_PHY_RATE_53 : UWB_PHY_RATE_200,
+		  "(%u vs %u)");
+	AIM_CHECK(bDeviceAddress, urb->dev->devnum | unauth, "(%u vs %u)");
+	AIM_CHECK(bEndpointAddress, ep->desc.bEndpointAddress, "(%u vs %u)");
+	AIM_CHECK(bInterval, ep->desc.bInterval, "(%u vs %u)");
+	AIM_CHECK(bmAttribute, ep->desc.bmAttributes & 0x03, "(%u vs %u)");
+#undef AIM_CHECK
+	return result;
+}
+
+#ifndef CONFIG_BUG
+#define CONFIG_BUG 0
+#endif
+
+/*
+ * Make sure there is an rpipe allocated for an endpoint
+ *
+ * If already allocated, we just refcount it; if not, we get an
+ * idle one, aim it to the right location and take it.
+ *
+ * Attaches to ep->hcpriv and rpipe->ep to ep.
+ */
+int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep,
+		    struct urb *urb, gfp_t gfp)
+{
+	int result = 0;
+	struct device *dev = &wa->usb_iface->dev;
+	struct wa_rpipe *rpipe;
+	u8 eptype;
+
+	d_fnstart(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb,
+		  gfp);
+	mutex_lock(&wa->rpipe_mutex);
+	rpipe = ep->hcpriv;
+	if (rpipe != NULL) {
+		if (CONFIG_BUG == 1) {
+			result = rpipe_check_aim(rpipe, wa, ep, urb, gfp);
+			if (result < 0)
+				goto error;
+		}
+		__rpipe_get(rpipe);
+		d_printf(2, dev, "ep 0x%02x: reusing rpipe %u\n",
+			 ep->desc.bEndpointAddress,
+			 le16_to_cpu(rpipe->descr.wRPipeIndex));
+	} else {
+		/* hmm, assign idle rpipe, aim it */
+		result = -ENOBUFS;
+		eptype = ep->desc.bmAttributes & 0x03;
+		result = rpipe_get_idle(&rpipe, wa, 1 << eptype, gfp);
+		if (result < 0)
+			goto error;
+		result = rpipe_aim(rpipe, wa, ep, urb, gfp);
+		if (result < 0) {
+			rpipe_put(rpipe);
+			goto error;
+		}
+		ep->hcpriv = rpipe;
+		rpipe->ep = ep;
+		__rpipe_get(rpipe);	/* for caching into ep->hcpriv */
+		d_printf(2, dev, "ep 0x%02x: using rpipe %u\n",
+			 ep->desc.bEndpointAddress,
+			 le16_to_cpu(rpipe->descr.wRPipeIndex));
+	}
+	d_dump(4, dev, &rpipe->descr, sizeof(rpipe->descr));
+error:
+	mutex_unlock(&wa->rpipe_mutex);
+	d_fnend(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb, gfp);
+	return result;
+}
+
+/*
+ * Allocate the bitmap for each rpipe.
+ */
+int wa_rpipes_create(struct wahc *wa)
+{
+	wa->rpipes = wa->wa_descr->wNumRPipes;
+	wa->rpipe_bm = kzalloc(BITS_TO_LONGS(wa->rpipes)*sizeof(unsigned long),
+			       GFP_KERNEL);
+	if (wa->rpipe_bm == NULL)
+		return -ENOMEM;
+	return 0;
+}
+
+void wa_rpipes_destroy(struct wahc *wa)
+{
+	struct device *dev = &wa->usb_iface->dev;
+	d_fnstart(3, dev, "(wa %p)\n", wa);
+	if (!bitmap_empty(wa->rpipe_bm, wa->rpipes)) {
+		char buf[256];
+		WARN_ON(1);
+		bitmap_scnprintf(buf, sizeof(buf), wa->rpipe_bm, wa->rpipes);
+		dev_err(dev, "BUG: pipes not released on exit: %s\n", buf);
+	}
+	kfree(wa->rpipe_bm);
+	d_fnend(3, dev, "(wa %p)\n", wa);
+}
+
+/*
+ * Release resources allocated for an endpoint
+ *
+ * If there is an associated rpipe to this endpoint, Abort any pending
+ * transfers and put it. If the rpipe ends up being destroyed,
+ * __rpipe_destroy() will cleanup ep->hcpriv.
+ *
+ * This is called before calling hcd->stop(), so you don't need to do
+ * anything else in there.
+ */
+void rpipe_ep_disable(struct wahc *wa, struct usb_host_endpoint *ep)
+{
+	struct device *dev = &wa->usb_iface->dev;
+	struct wa_rpipe *rpipe;
+	d_fnstart(2, dev, "(wa %p ep %p)\n", wa, ep);
+	mutex_lock(&wa->rpipe_mutex);
+	rpipe = ep->hcpriv;
+	if (rpipe != NULL) {
+		unsigned rc = atomic_read(&rpipe->refcnt.refcount);
+		int result;
+		u16 index = le16_to_cpu(rpipe->descr.wRPipeIndex);
+
+		if (rc != 1)
+			d_printf(1, dev, "(wa %p ep %p) rpipe %p refcnt %u\n",
+				 wa, ep, rpipe, rc);
+
+		d_printf(1, dev, "rpipe %u: abort\n", index);
+		result = usb_control_msg(
+			wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0),
+			USB_REQ_RPIPE_ABORT,
+			USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_RPIPE,
+			0, index, NULL, 0, 1000 /* FIXME: arbitrary */);
+		if (result < 0 && result != -ENODEV /* dev is gone */)
+			d_printf(1, dev, "(wa %p rpipe %u): abort failed: %d\n",
+				 wa, index, result);
+		rpipe_put(rpipe);
+	}
+	mutex_unlock(&wa->rpipe_mutex);
+	d_fnend(2, dev, "(wa %p ep %p)\n", wa, ep);
+	return;
+}
+EXPORT_SYMBOL_GPL(rpipe_ep_disable);
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
new file mode 100644
index 00000000000..7d192f3e674
--- /dev/null
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -0,0 +1,1709 @@
+/*
+ * WUSB Wire Adapter
+ * Data transfer and URB enqueing
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * How transfers work: get a buffer, break it up in segments (segment
+ * size is a multiple of the maxpacket size). For each segment issue a
+ * segment request (struct wa_xfer_*), then send the data buffer if
+ * out or nothing if in (all over the DTO endpoint).
+ *
+ * For each submitted segment request, a notification will come over
+ * the NEP endpoint and a transfer result (struct xfer_result) will
+ * arrive in the DTI URB. Read it, get the xfer ID, see if there is
+ * data coming (inbound transfer), schedule a read and handle it.
+ *
+ * Sounds simple, it is a pain to implement.
+ *
+ *
+ * ENTRY POINTS
+ *
+ *   FIXME
+ *
+ * LIFE CYCLE / STATE DIAGRAM
+ *
+ *   FIXME
+ *
+ * THIS CODE IS DISGUSTING
+ *
+ *   Warned you are; it's my second try and still not happy with it.
+ *
+ * NOTES:
+ *
+ *   - No iso
+ *
+ *   - Supports DMA xfers, control, bulk and maybe interrupt
+ *
+ *   - Does not recycle unused rpipes
+ *
+ *     An rpipe is assigned to an endpoint the first time it is used,
+ *     and then it's there, assigned, until the endpoint is disabled
+ *     (destroyed [{h,d}wahc_op_ep_disable()]. The assignment of the
+ *     rpipe to the endpoint is done under the wa->rpipe_sem semaphore
+ *     (should be a mutex).
+ *
+ *     Two methods it could be done:
+ *
+ *     (a) set up a timer everytime an rpipe's use count drops to 1
+ *         (which means unused) or when a transfer ends. Reset the
+ *         timer when a xfer is queued. If the timer expires, release
+ *         the rpipe [see rpipe_ep_disable()].
+ *
+ *     (b) when looking for free rpipes to attach [rpipe_get_by_ep()],
+ *         when none are found go over the list, check their endpoint
+ *         and their activity record (if no last-xfer-done-ts in the
+ *         last x seconds) take it
+ *
+ *     However, due to the fact that we have a set of limited
+ *     resources (max-segments-at-the-same-time per xfer,
+ *     xfers-per-ripe, blocks-per-rpipe, rpipes-per-host), at the end
+ *     we are going to have to rebuild all this based on an scheduler,
+ *     to where we have a list of transactions to do and based on the
+ *     availability of the different requried components (blocks,
+ *     rpipes, segment slots, etc), we go scheduling them. Painful.
+ */
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/hash.h>
+#include "wa-hc.h"
+#include "wusbhc.h"
+
+#undef D_LOCAL
+#define D_LOCAL 0 /* 0 disabled, > 0 different levels... */
+#include <linux/uwb/debug.h>
+
+enum {
+	WA_SEGS_MAX = 255,
+};
+
+enum wa_seg_status {
+	WA_SEG_NOTREADY,
+	WA_SEG_READY,
+	WA_SEG_DELAYED,
+	WA_SEG_SUBMITTED,
+	WA_SEG_PENDING,
+	WA_SEG_DTI_PENDING,
+	WA_SEG_DONE,
+	WA_SEG_ERROR,
+	WA_SEG_ABORTED,
+};
+
+static void wa_xfer_delayed_run(struct wa_rpipe *);
+
+/*
+ * Life cycle governed by 'struct urb' (the refcount of the struct is
+ * that of the 'struct urb' and usb_free_urb() would free the whole
+ * struct).
+ */
+struct wa_seg {
+	struct urb urb;
+	struct urb *dto_urb;		/* for data output? */
+	struct list_head list_node;	/* for rpipe->req_list */
+	struct wa_xfer *xfer;		/* out xfer */
+	u8 index;			/* which segment we are */
+	enum wa_seg_status status;
+	ssize_t result;			/* bytes xfered or error */
+	struct wa_xfer_hdr xfer_hdr;
+	u8 xfer_extra[];		/* xtra space for xfer_hdr_ctl */
+};
+
+static void wa_seg_init(struct wa_seg *seg)
+{
+	/* usb_init_urb() repeats a lot of work, so we do it here */
+	kref_init(&seg->urb.kref);
+}
+
+/*
+ * Protected by xfer->lock
+ *
+ */
+struct wa_xfer {
+	struct kref refcnt;
+	struct list_head list_node;
+	spinlock_t lock;
+	u32 id;
+
+	struct wahc *wa;		/* Wire adapter we are plugged to */
+	struct usb_host_endpoint *ep;
+	struct urb *urb;		/* URB we are transfering for */
+	struct wa_seg **seg;		/* transfer segments */
+	u8 segs, segs_submitted, segs_done;
+	unsigned is_inbound:1;
+	unsigned is_dma:1;
+	size_t seg_size;
+	int result;
+
+	gfp_t gfp;			/* allocation mask */
+
+	struct wusb_dev *wusb_dev;	/* for activity timestamps */
+};
+
+static inline void wa_xfer_init(struct wa_xfer *xfer)
+{
+	kref_init(&xfer->refcnt);
+	INIT_LIST_HEAD(&xfer->list_node);
+	spin_lock_init(&xfer->lock);
+}
+
+/*
+ * Destory a transfer structure
+ *
+ * Note that the xfer->seg[index] thingies follow the URB life cycle,
+ * so we need to put them, not free them.
+ */
+static void wa_xfer_destroy(struct kref *_xfer)
+{
+	struct wa_xfer *xfer = container_of(_xfer, struct wa_xfer, refcnt);
+	if (xfer->seg) {
+		unsigned cnt;
+		for (cnt = 0; cnt < xfer->segs; cnt++) {
+			if (xfer->is_inbound)
+				usb_put_urb(xfer->seg[cnt]->dto_urb);
+			usb_put_urb(&xfer->seg[cnt]->urb);
+		}
+	}
+	kfree(xfer);
+	d_printf(2, NULL, "xfer %p destroyed\n", xfer);
+}
+
+static void wa_xfer_get(struct wa_xfer *xfer)
+{
+	kref_get(&xfer->refcnt);
+}
+
+static void wa_xfer_put(struct wa_xfer *xfer)
+{
+	d_fnstart(3, NULL, "(xfer %p) -- ref count bef put %d\n",
+		    xfer, atomic_read(&xfer->refcnt.refcount));
+	kref_put(&xfer->refcnt, wa_xfer_destroy);
+	d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
+}
+
+/*
+ * xfer is referenced
+ *
+ * xfer->lock has to be unlocked
+ *
+ * We take xfer->lock for setting the result; this is a barrier
+ * against drivers/usb/core/hcd.c:unlink1() being called after we call
+ * usb_hcd_giveback_urb() and wa_urb_dequeue() trying to get a
+ * reference to the transfer.
+ */
+static void wa_xfer_giveback(struct wa_xfer *xfer)
+{
+	unsigned long flags;
+	d_fnstart(3, NULL, "(xfer %p)\n", xfer);
+	spin_lock_irqsave(&xfer->wa->xfer_list_lock, flags);
+	list_del_init(&xfer->list_node);
+	spin_unlock_irqrestore(&xfer->wa->xfer_list_lock, flags);
+	/* FIXME: segmentation broken -- kills DWA */
+	wusbhc_giveback_urb(xfer->wa->wusb, xfer->urb, xfer->result);
+	wa_put(xfer->wa);
+	wa_xfer_put(xfer);
+	d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
+}
+
+/*
+ * xfer is referenced
+ *
+ * xfer->lock has to be unlocked
+ */
+static void wa_xfer_completion(struct wa_xfer *xfer)
+{
+	d_fnstart(3, NULL, "(xfer %p)\n", xfer);
+	if (xfer->wusb_dev)
+		wusb_dev_put(xfer->wusb_dev);
+	rpipe_put(xfer->ep->hcpriv);
+	wa_xfer_giveback(xfer);
+	d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
+	return;
+}
+
+/*
+ * If transfer is done, wrap it up and return true
+ *
+ * xfer->lock has to be locked
+ */
+static unsigned __wa_xfer_is_done(struct wa_xfer *xfer)
+{
+	unsigned result, cnt;
+	struct wa_seg *seg;
+	struct urb *urb = xfer->urb;
+	unsigned found_short = 0;
+
+	d_fnstart(3, NULL, "(xfer %p)\n", xfer);
+	result = xfer->segs_done == xfer->segs_submitted;
+	if (result == 0)
+		goto out;
+	urb->actual_length = 0;
+	for (cnt = 0; cnt < xfer->segs; cnt++) {
+		seg = xfer->seg[cnt];
+		switch (seg->status) {
+		case WA_SEG_DONE:
+			if (found_short && seg->result > 0) {
+				if (printk_ratelimit())
+					printk(KERN_ERR "xfer %p#%u: bad short "
+					       "segments (%zu)\n", xfer, cnt,
+					       seg->result);
+				urb->status = -EINVAL;
+				goto out;
+			}
+			urb->actual_length += seg->result;
+			if (seg->result < xfer->seg_size
+			    && cnt != xfer->segs-1)
+				found_short = 1;
+			d_printf(2, NULL, "xfer %p#%u: DONE short %d "
+				 "result %zu urb->actual_length %d\n",
+				 xfer, seg->index, found_short, seg->result,
+				 urb->actual_length);
+			break;
+		case WA_SEG_ERROR:
+			xfer->result = seg->result;
+			d_printf(2, NULL, "xfer %p#%u: ERROR result %zu\n",
+				 xfer, seg->index, seg->result);
+			goto out;
+		case WA_SEG_ABORTED:
+			WARN_ON(urb->status != -ECONNRESET
+				&& urb->status != -ENOENT);
+			d_printf(2, NULL, "xfer %p#%u ABORTED: result %d\n",
+				 xfer, seg->index, urb->status);
+			xfer->result = urb->status;
+			goto out;
+		default:
+			/* if (printk_ratelimit()) */
+				printk(KERN_ERR "xfer %p#%u: "
+				       "is_done bad state %d\n",
+				       xfer, cnt, seg->status);
+			xfer->result = -EINVAL;
+			WARN_ON(1);
+			goto out;
+		}
+	}
+	xfer->result = 0;
+out:
+	d_fnend(3, NULL, "(xfer %p) = void\n", xfer);
+	return result;
+}
+
+/*
+ * Initialize a transfer's ID
+ *
+ * We need to use a sequential number; if we use the pointer or the
+ * hash of the pointer, it can repeat over sequential transfers and
+ * then it will confuse the HWA....wonder why in hell they put a 32
+ * bit handle in there then.
+ */
+static void wa_xfer_id_init(struct wa_xfer *xfer)
+{
+	xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count);
+}
+
+/*
+ * Return the xfer's ID associated with xfer
+ *
+ * Need to generate a
+ */
+static u32 wa_xfer_id(struct wa_xfer *xfer)
+{
+	return xfer->id;
+}
+
+/*
+ * Search for a transfer list ID on the HCD's URB list
+ *
+ * For 32 bit architectures, we use the pointer itself; for 64 bits, a
+ * 32-bit hash of the pointer.
+ *
+ * @returns NULL if not found.
+ */
+static struct wa_xfer *wa_xfer_get_by_id(struct wahc *wa, u32 id)
+{
+	unsigned long flags;
+	struct wa_xfer *xfer_itr;
+	spin_lock_irqsave(&wa->xfer_list_lock, flags);
+	list_for_each_entry(xfer_itr, &wa->xfer_list, list_node) {
+		if (id == xfer_itr->id) {
+			wa_xfer_get(xfer_itr);
+			goto out;
+		}
+	}
+	xfer_itr = NULL;
+out:
+	spin_unlock_irqrestore(&wa->xfer_list_lock, flags);
+	return xfer_itr;
+}
+
+struct wa_xfer_abort_buffer {
+	struct urb urb;
+	struct wa_xfer_abort cmd;
+};
+
+static void __wa_xfer_abort_cb(struct urb *urb)
+{
+	struct wa_xfer_abort_buffer *b = urb->context;
+	usb_put_urb(&b->urb);
+}
+
+/*
+ * Aborts an ongoing transaction
+ *
+ * Assumes the transfer is referenced and locked and in a submitted
+ * state (mainly that there is an endpoint/rpipe assigned).
+ *
+ * The callback (see above) does nothing but freeing up the data by
+ * putting the URB. Because the URB is allocated at the head of the
+ * struct, the whole space we allocated is kfreed.
+ *
+ * We'll get an 'aborted transaction' xfer result on DTI, that'll
+ * politely ignore because at this point the transaction has been
+ * marked as aborted already.
+ */
+static void __wa_xfer_abort(struct wa_xfer *xfer)
+{
+	int result;
+	struct device *dev = &xfer->wa->usb_iface->dev;
+	struct wa_xfer_abort_buffer *b;
+	struct wa_rpipe *rpipe = xfer->ep->hcpriv;
+
+	b = kmalloc(sizeof(*b), GFP_ATOMIC);
+	if (b == NULL)
+		goto error_kmalloc;
+	b->cmd.bLength =  sizeof(b->cmd);
+	b->cmd.bRequestType = WA_XFER_ABORT;
+	b->cmd.wRPipe = rpipe->descr.wRPipeIndex;
+	b->cmd.dwTransferID = wa_xfer_id(xfer);
+
+	usb_init_urb(&b->urb);
+	usb_fill_bulk_urb(&b->urb, xfer->wa->usb_dev,
+		usb_sndbulkpipe(xfer->wa->usb_dev,
+				xfer->wa->dto_epd->bEndpointAddress),
+		&b->cmd, sizeof(b->cmd), __wa_xfer_abort_cb, b);
+	result = usb_submit_urb(&b->urb, GFP_ATOMIC);
+	if (result < 0)
+		goto error_submit;
+	return;				/* callback frees! */
+
+
+error_submit:
+	if (printk_ratelimit())
+		dev_err(dev, "xfer %p: Can't submit abort request: %d\n",
+			xfer, result);
+	kfree(b);
+error_kmalloc:
+	return;
+
+}
+
+/*
+ *
+ * @returns < 0 on error, transfer segment request size if ok
+ */
+static ssize_t __wa_xfer_setup_sizes(struct wa_xfer *xfer,
+				     enum wa_xfer_type *pxfer_type)
+{
+	ssize_t result;
+	struct device *dev = &xfer->wa->usb_iface->dev;
+	size_t maxpktsize;
+	struct urb *urb = xfer->urb;
+	struct wa_rpipe *rpipe = xfer->ep->hcpriv;
+
+	d_fnstart(3, dev, "(xfer %p [rpipe %p] urb %p)\n",
+		  xfer, rpipe, urb);
+	switch (rpipe->descr.bmAttribute & 0x3) {
+	case USB_ENDPOINT_XFER_CONTROL:
+		*pxfer_type = WA_XFER_TYPE_CTL;
+		result = sizeof(struct wa_xfer_ctl);
+		break;
+	case USB_ENDPOINT_XFER_INT:
+	case USB_ENDPOINT_XFER_BULK:
+		*pxfer_type = WA_XFER_TYPE_BI;
+		result = sizeof(struct wa_xfer_bi);
+		break;
+	case USB_ENDPOINT_XFER_ISOC:
+		dev_err(dev, "FIXME: ISOC not implemented\n");
+		result = -ENOSYS;
+		goto error;
+	default:
+		/* never happens */
+		BUG();
+		result = -EINVAL;	/* shut gcc up */
+	};
+	xfer->is_inbound = urb->pipe & USB_DIR_IN ? 1 : 0;
+	xfer->is_dma = urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP ? 1 : 0;
+	xfer->seg_size = le16_to_cpu(rpipe->descr.wBlocks)
+		* 1 << (xfer->wa->wa_descr->bRPipeBlockSize - 1);
+	/* Compute the segment size and make sure it is a multiple of
+	 * the maxpktsize (WUSB1.0[8.3.3.1])...not really too much of
+	 * a check (FIXME) */
+	maxpktsize = le16_to_cpu(rpipe->descr.wMaxPacketSize);
+	if (xfer->seg_size < maxpktsize) {
+		dev_err(dev, "HW BUG? seg_size %zu smaller than maxpktsize "
+			"%zu\n", xfer->seg_size, maxpktsize);
+		result = -EINVAL;
+		goto error;
+	}
+	xfer->seg_size = (xfer->seg_size / maxpktsize) * maxpktsize;
+	xfer->segs = (urb->transfer_buffer_length + xfer->seg_size - 1)
+		/ xfer->seg_size;
+	if (xfer->segs >= WA_SEGS_MAX) {
+		dev_err(dev, "BUG? ops, number of segments %d bigger than %d\n",
+			(int)(urb->transfer_buffer_length / xfer->seg_size),
+			WA_SEGS_MAX);
+		result = -EINVAL;
+		goto error;
+	}
+	if (xfer->segs == 0 && *pxfer_type == WA_XFER_TYPE_CTL)
+		xfer->segs = 1;
+error:
+	d_fnend(3, dev, "(xfer %p [rpipe %p] urb %p) = %d\n",
+		xfer, rpipe, urb, (int)result);
+	return result;
+}
+
+/** Fill in the common request header and xfer-type specific data. */
+static void __wa_xfer_setup_hdr0(struct wa_xfer *xfer,
+				 struct wa_xfer_hdr *xfer_hdr0,
+				 enum wa_xfer_type xfer_type,
+				 size_t xfer_hdr_size)
+{
+	struct wa_rpipe *rpipe = xfer->ep->hcpriv;
+
+	xfer_hdr0 = &xfer->seg[0]->xfer_hdr;
+	xfer_hdr0->bLength = xfer_hdr_size;
+	xfer_hdr0->bRequestType = xfer_type;
+	xfer_hdr0->wRPipe = rpipe->descr.wRPipeIndex;
+	xfer_hdr0->dwTransferID = wa_xfer_id(xfer);
+	xfer_hdr0->bTransferSegment = 0;
+	switch (xfer_type) {
+	case WA_XFER_TYPE_CTL: {
+		struct wa_xfer_ctl *xfer_ctl =
+			container_of(xfer_hdr0, struct wa_xfer_ctl, hdr);
+		xfer_ctl->bmAttribute = xfer->is_inbound ? 1 : 0;
+		BUG_ON(xfer->urb->transfer_flags & URB_NO_SETUP_DMA_MAP
+		       && xfer->urb->setup_packet == NULL);
+		memcpy(&xfer_ctl->baSetupData, xfer->urb->setup_packet,
+		       sizeof(xfer_ctl->baSetupData));
+		break;
+	}
+	case WA_XFER_TYPE_BI:
+		break;
+	case WA_XFER_TYPE_ISO:
+		printk(KERN_ERR "FIXME: ISOC not implemented\n");
+	default:
+		BUG();
+	};
+}
+
+/*
+ * Callback for the OUT data phase of the segment request
+ *
+ * Check wa_seg_cb(); most comments also apply here because this
+ * function does almost the same thing and they work closely
+ * together.
+ *
+ * If the seg request has failed but this DTO phase has suceeded,
+ * wa_seg_cb() has already failed the segment and moved the
+ * status to WA_SEG_ERROR, so this will go through 'case 0' and
+ * effectively do nothing.
+ */
+static void wa_seg_dto_cb(struct urb *urb)
+{
+	struct wa_seg *seg = urb->context;
+	struct wa_xfer *xfer = seg->xfer;
+	struct wahc *wa;
+	struct device *dev;
+	struct wa_rpipe *rpipe;
+	unsigned long flags;
+	unsigned rpipe_ready = 0;
+	u8 done = 0;
+
+	d_fnstart(3, NULL, "(urb %p [%d])\n", urb, urb->status);
+	switch (urb->status) {
+	case 0:
+		spin_lock_irqsave(&xfer->lock, flags);
+		wa = xfer->wa;
+		dev = &wa->usb_iface->dev;
+		d_printf(2, dev, "xfer %p#%u: data out done (%d bytes)\n",
+			   xfer, seg->index, urb->actual_length);
+		if (seg->status < WA_SEG_PENDING)
+			seg->status = WA_SEG_PENDING;
+		seg->result = urb->actual_length;
+		spin_unlock_irqrestore(&xfer->lock, flags);
+		break;
+	case -ECONNRESET:	/* URB unlinked; no need to do anything */
+	case -ENOENT:		/* as it was done by the who unlinked us */
+		break;
+	default:		/* Other errors ... */
+		spin_lock_irqsave(&xfer->lock, flags);
+		wa = xfer->wa;
+		dev = &wa->usb_iface->dev;
+		rpipe = xfer->ep->hcpriv;
+		if (printk_ratelimit())
+			dev_err(dev, "xfer %p#%u: data out error %d\n",
+				xfer, seg->index, urb->status);
+		if (edc_inc(&wa->nep_edc, EDC_MAX_ERRORS,
+			    EDC_ERROR_TIMEFRAME)){
+			dev_err(dev, "DTO: URB max acceptable errors "
+				"exceeded, resetting device\n");
+			wa_reset_all(wa);
+		}
+		if (seg->status != WA_SEG_ERROR) {
+			seg->status = WA_SEG_ERROR;
+			seg->result = urb->status;
+			xfer->segs_done++;
+			__wa_xfer_abort(xfer);
+			rpipe_ready = rpipe_avail_inc(rpipe);
+			done = __wa_xfer_is_done(xfer);
+		}
+		spin_unlock_irqrestore(&xfer->lock, flags);
+		if (done)
+			wa_xfer_completion(xfer);
+		if (rpipe_ready)
+			wa_xfer_delayed_run(rpipe);
+	}
+	d_fnend(3, NULL, "(urb %p [%d]) = void\n", urb, urb->status);
+}
+
+/*
+ * Callback for the segment request
+ *
+ * If succesful transition state (unless already transitioned or
+ * outbound transfer); otherwise, take a note of the error, mark this
+ * segment done and try completion.
+ *
+ * Note we don't access until we are sure that the transfer hasn't
+ * been cancelled (ECONNRESET, ENOENT), which could mean that
+ * seg->xfer could be already gone.
+ *
+ * We have to check before setting the status to WA_SEG_PENDING
+ * because sometimes the xfer result callback arrives before this
+ * callback (geeeeeeze), so it might happen that we are already in
+ * another state. As well, we don't set it if the transfer is inbound,
+ * as in that case, wa_seg_dto_cb will do it when the OUT data phase
+ * finishes.
+ */
+static void wa_seg_cb(struct urb *urb)
+{
+	struct wa_seg *seg = urb->context;
+	struct wa_xfer *xfer = seg->xfer;
+	struct wahc *wa;
+	struct device *dev;
+	struct wa_rpipe *rpipe;
+	unsigned long flags;
+	unsigned rpipe_ready;
+	u8 done = 0;
+
+	d_fnstart(3, NULL, "(urb %p [%d])\n", urb, urb->status);
+	switch (urb->status) {
+	case 0:
+		spin_lock_irqsave(&xfer->lock, flags);
+		wa = xfer->wa;
+		dev = &wa->usb_iface->dev;
+		d_printf(2, dev, "xfer %p#%u: request done\n",
+			   xfer, seg->index);
+		if (xfer->is_inbound && seg->status < WA_SEG_PENDING)
+			seg->status = WA_SEG_PENDING;
+		spin_unlock_irqrestore(&xfer->lock, flags);
+		break;
+	case -ECONNRESET:	/* URB unlinked; no need to do anything */
+	case -ENOENT:		/* as it was done by the who unlinked us */
+		break;
+	default:		/* Other errors ... */
+		spin_lock_irqsave(&xfer->lock, flags);
+		wa = xfer->wa;
+		dev = &wa->usb_iface->dev;
+		rpipe = xfer->ep->hcpriv;
+		if (printk_ratelimit())
+			dev_err(dev, "xfer %p#%u: request error %d\n",
+				xfer, seg->index, urb->status);
+		if (edc_inc(&wa->nep_edc, EDC_MAX_ERRORS,
+			    EDC_ERROR_TIMEFRAME)){
+			dev_err(dev, "DTO: URB max acceptable errors "
+				"exceeded, resetting device\n");
+			wa_reset_all(wa);
+		}
+		usb_unlink_urb(seg->dto_urb);
+		seg->status = WA_SEG_ERROR;
+		seg->result = urb->status;
+		xfer->segs_done++;
+		__wa_xfer_abort(xfer);
+		rpipe_ready = rpipe_avail_inc(rpipe);
+		done = __wa_xfer_is_done(xfer);
+		spin_unlock_irqrestore(&xfer->lock, flags);
+		if (done)
+			wa_xfer_completion(xfer);
+		if (rpipe_ready)
+			wa_xfer_delayed_run(rpipe);
+	}
+	d_fnend(3, NULL, "(urb %p [%d]) = void\n", urb, urb->status);
+}
+
+/*
+ * Allocate the segs array and initialize each of them
+ *
+ * The segments are freed by wa_xfer_destroy() when the xfer use count
+ * drops to zero; however, because each segment is given the same life
+ * cycle as the USB URB it contains, it is actually freed by
+ * usb_put_urb() on the contained USB URB (twisted, eh?).
+ */
+static int __wa_xfer_setup_segs(struct wa_xfer *xfer, size_t xfer_hdr_size)
+{
+	int result, cnt;
+	size_t alloc_size = sizeof(*xfer->seg[0])
+		- sizeof(xfer->seg[0]->xfer_hdr) + xfer_hdr_size;
+	struct usb_device *usb_dev = xfer->wa->usb_dev;
+	const struct usb_endpoint_descriptor *dto_epd = xfer->wa->dto_epd;
+	struct wa_seg *seg;
+	size_t buf_itr, buf_size, buf_itr_size;
+
+	result = -ENOMEM;
+	xfer->seg = kzalloc(xfer->segs * sizeof(xfer->seg[0]), GFP_ATOMIC);
+	if (xfer->seg == NULL)
+		goto error_segs_kzalloc;
+	buf_itr = 0;
+	buf_size = xfer->urb->transfer_buffer_length;
+	for (cnt = 0; cnt < xfer->segs; cnt++) {
+		seg = xfer->seg[cnt] = kzalloc(alloc_size, GFP_ATOMIC);
+		if (seg == NULL)
+			goto error_seg_kzalloc;
+		wa_seg_init(seg);
+		seg->xfer = xfer;
+		seg->index = cnt;
+		usb_fill_bulk_urb(&seg->urb, usb_dev,
+				  usb_sndbulkpipe(usb_dev,
+						  dto_epd->bEndpointAddress),
+				  &seg->xfer_hdr, xfer_hdr_size,
+				  wa_seg_cb, seg);
+		buf_itr_size = buf_size > xfer->seg_size ?
+			xfer->seg_size : buf_size;
+		if (xfer->is_inbound == 0 && buf_size > 0) {
+			seg->dto_urb = usb_alloc_urb(0, GFP_ATOMIC);
+			if (seg->dto_urb == NULL)
+				goto error_dto_alloc;
+			usb_fill_bulk_urb(
+				seg->dto_urb, usb_dev,
+				usb_sndbulkpipe(usb_dev,
+						dto_epd->bEndpointAddress),
+				NULL, 0, wa_seg_dto_cb, seg);
+			if (xfer->is_dma) {
+				seg->dto_urb->transfer_dma =
+					xfer->urb->transfer_dma + buf_itr;
+				seg->dto_urb->transfer_flags |=
+					URB_NO_TRANSFER_DMA_MAP;
+			} else
+				seg->dto_urb->transfer_buffer =
+					xfer->urb->transfer_buffer + buf_itr;
+			seg->dto_urb->transfer_buffer_length = buf_itr_size;
+		}
+		seg->status = WA_SEG_READY;
+		buf_itr += buf_itr_size;
+		buf_size -= buf_itr_size;
+	}
+	return 0;
+
+error_dto_alloc:
+	kfree(xfer->seg[cnt]);
+	cnt--;
+error_seg_kzalloc:
+	/* use the fact that cnt is left at were it failed */
+	for (; cnt > 0; cnt--) {
+		if (xfer->is_inbound == 0)
+			kfree(xfer->seg[cnt]->dto_urb);
+		kfree(xfer->seg[cnt]);
+	}
+error_segs_kzalloc:
+	return result;
+}
+
+/*
+ * Allocates all the stuff needed to submit a transfer
+ *
+ * Breaks the whole data buffer in a list of segments, each one has a
+ * structure allocated to it and linked in xfer->seg[index]
+ *
+ * FIXME: merge setup_segs() and the last part of this function, no
+ *        need to do two for loops when we could run everything in a
+ *        single one
+ */
+static int __wa_xfer_setup(struct wa_xfer *xfer, struct urb *urb)
+{
+	int result;
+	struct device *dev = &xfer->wa->usb_iface->dev;
+	enum wa_xfer_type xfer_type = 0; /* shut up GCC */
+	size_t xfer_hdr_size, cnt, transfer_size;
+	struct wa_xfer_hdr *xfer_hdr0, *xfer_hdr;
+
+	d_fnstart(3, dev, "(xfer %p [rpipe %p] urb %p)\n",
+		  xfer, xfer->ep->hcpriv, urb);
+
+	result = __wa_xfer_setup_sizes(xfer, &xfer_type);
+	if (result < 0)
+		goto error_setup_sizes;
+	xfer_hdr_size = result;
+	result = __wa_xfer_setup_segs(xfer, xfer_hdr_size);
+	if (result < 0) {
+		dev_err(dev, "xfer %p: Failed to allocate %d segments: %d\n",
+			xfer, xfer->segs, result);
+		goto error_setup_segs;
+	}
+	/* Fill the first header */
+	xfer_hdr0 = &xfer->seg[0]->xfer_hdr;
+	wa_xfer_id_init(xfer);
+	__wa_xfer_setup_hdr0(xfer, xfer_hdr0, xfer_type, xfer_hdr_size);
+
+	/* Fill remainig headers */
+	xfer_hdr = xfer_hdr0;
+	transfer_size = urb->transfer_buffer_length;
+	xfer_hdr0->dwTransferLength = transfer_size > xfer->seg_size ?
+		xfer->seg_size : transfer_size;
+	transfer_size -=  xfer->seg_size;
+	for (cnt = 1; cnt < xfer->segs; cnt++) {
+		xfer_hdr = &xfer->seg[cnt]->xfer_hdr;
+		memcpy(xfer_hdr, xfer_hdr0, xfer_hdr_size);
+		xfer_hdr->bTransferSegment = cnt;
+		xfer_hdr->dwTransferLength = transfer_size > xfer->seg_size ?
+			cpu_to_le32(xfer->seg_size)
+			: cpu_to_le32(transfer_size);
+		xfer->seg[cnt]->status = WA_SEG_READY;
+		transfer_size -=  xfer->seg_size;
+	}
+	xfer_hdr->bTransferSegment |= 0x80;	/* this is the last segment */
+	result = 0;
+error_setup_segs:
+error_setup_sizes:
+	d_fnend(3, dev, "(xfer %p [rpipe %p] urb %p) = %d\n",
+		xfer, xfer->ep->hcpriv, urb, result);
+	return result;
+}
+
+/*
+ *
+ *
+ * rpipe->seg_lock is held!
+ */
+static int __wa_seg_submit(struct wa_rpipe *rpipe, struct wa_xfer *xfer,
+			   struct wa_seg *seg)
+{
+	int result;
+	result = usb_submit_urb(&seg->urb, GFP_ATOMIC);
+	if (result < 0) {
+		printk(KERN_ERR "xfer %p#%u: REQ submit failed: %d\n",
+		       xfer, seg->index, result);
+		goto error_seg_submit;
+	}
+	if (seg->dto_urb) {
+		result = usb_submit_urb(seg->dto_urb, GFP_ATOMIC);
+		if (result < 0) {
+			printk(KERN_ERR "xfer %p#%u: DTO submit failed: %d\n",
+			       xfer, seg->index, result);
+			goto error_dto_submit;
+		}
+	}
+	seg->status = WA_SEG_SUBMITTED;
+	rpipe_avail_dec(rpipe);
+	return 0;
+
+error_dto_submit:
+	usb_unlink_urb(&seg->urb);
+error_seg_submit:
+	seg->status = WA_SEG_ERROR;
+	seg->result = result;
+	return result;
+}
+
+/*
+ * Execute more queued request segments until the maximum concurrent allowed
+ *
+ * The ugly unlock/lock sequence on the error path is needed as the
+ * xfer->lock normally nests the seg_lock and not viceversa.
+ *
+ */
+static void wa_xfer_delayed_run(struct wa_rpipe *rpipe)
+{
+	int result;
+	struct device *dev = &rpipe->wa->usb_iface->dev;
+	struct wa_seg *seg;
+	struct wa_xfer *xfer;
+	unsigned long flags;
+
+	d_fnstart(1, dev, "(rpipe #%d) %d segments available\n",
+		  le16_to_cpu(rpipe->descr.wRPipeIndex),
+		  atomic_read(&rpipe->segs_available));
+	spin_lock_irqsave(&rpipe->seg_lock, flags);
+	while (atomic_read(&rpipe->segs_available) > 0
+	      && !list_empty(&rpipe->seg_list)) {
+		seg = list_entry(rpipe->seg_list.next, struct wa_seg,
+				 list_node);
+		list_del(&seg->list_node);
+		xfer = seg->xfer;
+		result = __wa_seg_submit(rpipe, xfer, seg);
+		d_printf(1, dev, "xfer %p#%u submitted from delayed "
+			 "[%d segments available] %d\n",
+			 xfer, seg->index,
+			 atomic_read(&rpipe->segs_available), result);
+		if (unlikely(result < 0)) {
+			spin_unlock_irqrestore(&rpipe->seg_lock, flags);
+			spin_lock_irqsave(&xfer->lock, flags);
+			__wa_xfer_abort(xfer);
+			xfer->segs_done++;
+			spin_unlock_irqrestore(&xfer->lock, flags);
+			spin_lock_irqsave(&rpipe->seg_lock, flags);
+		}
+	}
+	spin_unlock_irqrestore(&rpipe->seg_lock, flags);
+	d_fnend(1, dev, "(rpipe #%d) = void, %d segments available\n",
+		le16_to_cpu(rpipe->descr.wRPipeIndex),
+		atomic_read(&rpipe->segs_available));
+
+}
+
+/*
+ *
+ * xfer->lock is taken
+ *
+ * On failure submitting we just stop submitting and return error;
+ * wa_urb_enqueue_b() will execute the completion path
+ */
+static int __wa_xfer_submit(struct wa_xfer *xfer)
+{
+	int result;
+	struct wahc *wa = xfer->wa;
+	struct device *dev = &wa->usb_iface->dev;
+	unsigned cnt;
+	struct wa_seg *seg;
+	unsigned long flags;
+	struct wa_rpipe *rpipe = xfer->ep->hcpriv;
+	size_t maxrequests = le16_to_cpu(rpipe->descr.wRequests);
+	u8 available;
+	u8 empty;
+
+	d_fnstart(3, dev, "(xfer %p [rpipe %p])\n",
+		  xfer, xfer->ep->hcpriv);
+
+	spin_lock_irqsave(&wa->xfer_list_lock, flags);
+	list_add_tail(&xfer->list_node, &wa->xfer_list);
+	spin_unlock_irqrestore(&wa->xfer_list_lock, flags);
+
+	BUG_ON(atomic_read(&rpipe->segs_available) > maxrequests);
+	result = 0;
+	spin_lock_irqsave(&rpipe->seg_lock, flags);
+	for (cnt = 0; cnt < xfer->segs; cnt++) {
+		available = atomic_read(&rpipe->segs_available);
+		empty = list_empty(&rpipe->seg_list);
+		seg = xfer->seg[cnt];
+		d_printf(2, dev, "xfer %p#%u: available %u empty %u (%s)\n",
+			 xfer, cnt, available, empty,
+			 available == 0 || !empty ? "delayed" : "submitted");
+		if (available == 0 || !empty) {
+			d_printf(1, dev, "xfer %p#%u: delayed\n", xfer, cnt);
+			seg->status = WA_SEG_DELAYED;
+			list_add_tail(&seg->list_node, &rpipe->seg_list);
+		} else {
+			result = __wa_seg_submit(rpipe, xfer, seg);
+			if (result < 0)
+				goto error_seg_submit;
+		}
+		xfer->segs_submitted++;
+	}
+	spin_unlock_irqrestore(&rpipe->seg_lock, flags);
+	d_fnend(3, dev, "(xfer %p [rpipe %p]) = void\n", xfer,
+		xfer->ep->hcpriv);
+	return result;
+
+error_seg_submit:
+	__wa_xfer_abort(xfer);
+	spin_unlock_irqrestore(&rpipe->seg_lock, flags);
+	d_fnend(3, dev, "(xfer %p [rpipe %p]) = void\n", xfer,
+		xfer->ep->hcpriv);
+	return result;
+}
+
+/*
+ * Second part of a URB/transfer enqueuement
+ *
+ * Assumes this comes from wa_urb_enqueue() [maybe through
+ * wa_urb_enqueue_run()]. At this point:
+ *
+ * xfer->wa	filled and refcounted
+ * xfer->ep	filled with rpipe refcounted if
+ *              delayed == 0
+ * xfer->urb 	filled and refcounted (this is the case when called
+ *              from wa_urb_enqueue() as we come from usb_submit_urb()
+ *              and when called by wa_urb_enqueue_run(), as we took an
+ *              extra ref dropped by _run() after we return).
+ * xfer->gfp	filled
+ *
+ * If we fail at __wa_xfer_submit(), then we just check if we are done
+ * and if so, we run the completion procedure. However, if we are not
+ * yet done, we do nothing and wait for the completion handlers from
+ * the submitted URBs or from the xfer-result path to kick in. If xfer
+ * result never kicks in, the xfer will timeout from the USB code and
+ * dequeue() will be called.
+ */
+static void wa_urb_enqueue_b(struct wa_xfer *xfer)
+{
+	int result;
+	unsigned long flags;
+	struct urb *urb = xfer->urb;
+	struct wahc *wa = xfer->wa;
+	struct wusbhc *wusbhc = wa->wusb;
+	struct device *dev = &wa->usb_iface->dev;
+	struct wusb_dev *wusb_dev;
+	unsigned done;
+
+	d_fnstart(3, dev, "(wa %p urb %p)\n", wa, urb);
+	result = rpipe_get_by_ep(wa, xfer->ep, urb, xfer->gfp);
+	if (result < 0)
+		goto error_rpipe_get;
+	result = -ENODEV;
+	/* FIXME: segmentation broken -- kills DWA */
+	mutex_lock(&wusbhc->mutex);		/* get a WUSB dev */
+	if (urb->dev == NULL)
+		goto error_dev_gone;
+	wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, urb->dev);
+	if (wusb_dev == NULL) {
+		mutex_unlock(&wusbhc->mutex);
+		goto error_dev_gone;
+	}
+	mutex_unlock(&wusbhc->mutex);
+
+	spin_lock_irqsave(&xfer->lock, flags);
+	xfer->wusb_dev = wusb_dev;
+	result = urb->status;
+	if (urb->status != -EINPROGRESS)
+		goto error_dequeued;
+
+	result = __wa_xfer_setup(xfer, urb);
+	if (result < 0)
+		goto error_xfer_setup;
+	result = __wa_xfer_submit(xfer);
+	if (result < 0)
+		goto error_xfer_submit;
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	d_fnend(3, dev, "(wa %p urb %p) = void\n", wa, urb);
+	return;
+
+	/* this is basically wa_xfer_completion() broken up wa_xfer_giveback()
+	 * does a wa_xfer_put() that will call wa_xfer_destroy() and clean
+	 * upundo setup().
+	 */
+error_xfer_setup:
+error_dequeued:
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	/* FIXME: segmentation broken, kills DWA */
+	if (wusb_dev)
+		wusb_dev_put(wusb_dev);
+error_dev_gone:
+	rpipe_put(xfer->ep->hcpriv);
+error_rpipe_get:
+	xfer->result = result;
+	wa_xfer_giveback(xfer);
+	d_fnend(3, dev, "(wa %p urb %p) = (void) %d\n", wa, urb, result);
+	return;
+
+error_xfer_submit:
+	done = __wa_xfer_is_done(xfer);
+	xfer->result = result;
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	if (done)
+		wa_xfer_completion(xfer);
+	d_fnend(3, dev, "(wa %p urb %p) = (void) %d\n", wa, urb, result);
+	return;
+}
+
+/*
+ * Execute the delayed transfers in the Wire Adapter @wa
+ *
+ * We need to be careful here, as dequeue() could be called in the
+ * middle.  That's why we do the whole thing under the
+ * wa->xfer_list_lock. If dequeue() jumps in, it first locks urb->lock
+ * and then checks the list -- so as we would be acquiring in inverse
+ * order, we just drop the lock once we have the xfer and reacquire it
+ * later.
+ */
+void wa_urb_enqueue_run(struct work_struct *ws)
+{
+	struct wahc *wa = container_of(ws, struct wahc, xfer_work);
+	struct device *dev = &wa->usb_iface->dev;
+	struct wa_xfer *xfer, *next;
+	struct urb *urb;
+
+	d_fnstart(3, dev, "(wa %p)\n", wa);
+	spin_lock_irq(&wa->xfer_list_lock);
+	list_for_each_entry_safe(xfer, next, &wa->xfer_delayed_list,
+				 list_node) {
+		list_del_init(&xfer->list_node);
+		spin_unlock_irq(&wa->xfer_list_lock);
+
+		urb = xfer->urb;
+		wa_urb_enqueue_b(xfer);
+		usb_put_urb(urb);	/* taken when queuing */
+
+		spin_lock_irq(&wa->xfer_list_lock);
+	}
+	spin_unlock_irq(&wa->xfer_list_lock);
+	d_fnend(3, dev, "(wa %p) = void\n", wa);
+}
+EXPORT_SYMBOL_GPL(wa_urb_enqueue_run);
+
+/*
+ * Submit a transfer to the Wire Adapter in a delayed way
+ *
+ * The process of enqueuing involves possible sleeps() [see
+ * enqueue_b(), for the rpipe_get() and the mutex_lock()]. If we are
+ * in an atomic section, we defer the enqueue_b() call--else we call direct.
+ *
+ * @urb: We own a reference to it done by the HCI Linux USB stack that
+ *       will be given up by calling usb_hcd_giveback_urb() or by
+ *       returning error from this function -> ergo we don't have to
+ *       refcount it.
+ */
+int wa_urb_enqueue(struct wahc *wa, struct usb_host_endpoint *ep,
+		   struct urb *urb, gfp_t gfp)
+{
+	int result;
+	struct device *dev = &wa->usb_iface->dev;
+	struct wa_xfer *xfer;
+	unsigned long my_flags;
+	unsigned cant_sleep = irqs_disabled() | in_atomic();
+
+	d_fnstart(3, dev, "(wa %p ep %p urb %p [%d] gfp 0x%x)\n",
+		  wa, ep, urb, urb->transfer_buffer_length, gfp);
+
+	if (urb->transfer_buffer == NULL
+	    && !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)
+	    && urb->transfer_buffer_length != 0) {
+		dev_err(dev, "BUG? urb %p: NULL xfer buffer & NODMA\n", urb);
+		dump_stack();
+	}
+
+	result = -ENOMEM;
+	xfer = kzalloc(sizeof(*xfer), gfp);
+	if (xfer == NULL)
+		goto error_kmalloc;
+
+	result = -ENOENT;
+	if (urb->status != -EINPROGRESS)	/* cancelled */
+		goto error_dequeued;		/* before starting? */
+	wa_xfer_init(xfer);
+	xfer->wa = wa_get(wa);
+	xfer->urb = urb;
+	xfer->gfp = gfp;
+	xfer->ep = ep;
+	urb->hcpriv = xfer;
+	d_printf(2, dev, "xfer %p urb %p pipe 0x%02x [%d bytes] %s %s %s\n",
+		 xfer, urb, urb->pipe, urb->transfer_buffer_length,
+		 urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP ? "dma" : "nodma",
+		 urb->pipe & USB_DIR_IN ? "inbound" : "outbound",
+		 cant_sleep ? "deferred" : "inline");
+	if (cant_sleep) {
+		usb_get_urb(urb);
+		spin_lock_irqsave(&wa->xfer_list_lock, my_flags);
+		list_add_tail(&xfer->list_node, &wa->xfer_delayed_list);
+		spin_unlock_irqrestore(&wa->xfer_list_lock, my_flags);
+		queue_work(wusbd, &wa->xfer_work);
+	} else {
+		wa_urb_enqueue_b(xfer);
+	}
+	d_fnend(3, dev, "(wa %p ep %p urb %p [%d] gfp 0x%x) = 0\n",
+		wa, ep, urb, urb->transfer_buffer_length, gfp);
+	return 0;
+
+error_dequeued:
+	kfree(xfer);
+error_kmalloc:
+	d_fnend(3, dev, "(wa %p ep %p urb %p [%d] gfp 0x%x) = %d\n",
+		wa, ep, urb, urb->transfer_buffer_length, gfp, result);
+	return result;
+}
+EXPORT_SYMBOL_GPL(wa_urb_enqueue);
+
+/*
+ * Dequeue a URB and make sure uwb_hcd_giveback_urb() [completion
+ * handler] is called.
+ *
+ * Until a transfer goes successfully through wa_urb_enqueue() it
+ * needs to be dequeued with completion calling; when stuck in delayed
+ * or before wa_xfer_setup() is called, we need to do completion.
+ *
+ *  not setup  If there is no hcpriv yet, that means that that enqueue
+ *             still had no time to set the xfer up. Because
+ *             urb->status should be other than -EINPROGRESS,
+ *             enqueue() will catch that and bail out.
+ *
+ * If the transfer has gone through setup, we just need to clean it
+ * up. If it has gone through submit(), we have to abort it [with an
+ * asynch request] and then make sure we cancel each segment.
+ *
+ */
+int wa_urb_dequeue(struct wahc *wa, struct urb *urb)
+{
+	struct device *dev = &wa->usb_iface->dev;
+	unsigned long flags, flags2;
+	struct wa_xfer *xfer;
+	struct wa_seg *seg;
+	struct wa_rpipe *rpipe;
+	unsigned cnt;
+	unsigned rpipe_ready = 0;
+
+	d_fnstart(3, dev, "(wa %p, urb %p)\n", wa, urb);
+
+	d_printf(1, dev, "xfer %p urb %p: aborting\n", urb->hcpriv, urb);
+	xfer = urb->hcpriv;
+	if (xfer == NULL) {
+		/* NOthing setup yet enqueue will see urb->status !=
+		 * -EINPROGRESS (by hcd layer) and bail out with
+		 * error, no need to do completion
+		 */
+		BUG_ON(urb->status == -EINPROGRESS);
+		goto out;
+	}
+	spin_lock_irqsave(&xfer->lock, flags);
+	rpipe = xfer->ep->hcpriv;
+	/* Check the delayed list -> if there, release and complete */
+	spin_lock_irqsave(&wa->xfer_list_lock, flags2);
+	if (!list_empty(&xfer->list_node) && xfer->seg == NULL)
+		goto dequeue_delayed;
+	spin_unlock_irqrestore(&wa->xfer_list_lock, flags2);
+	if (xfer->seg == NULL)  	/* still hasn't reached */
+		goto out_unlock;	/* setup(), enqueue_b() completes */
+	/* Ok, the xfer is in flight already, it's been setup and submitted.*/
+	__wa_xfer_abort(xfer);
+	for (cnt = 0; cnt < xfer->segs; cnt++) {
+		seg = xfer->seg[cnt];
+		switch (seg->status) {
+		case WA_SEG_NOTREADY:
+		case WA_SEG_READY:
+			printk(KERN_ERR "xfer %p#%u: dequeue bad state %u\n",
+			       xfer, cnt, seg->status);
+			WARN_ON(1);
+			break;
+		case WA_SEG_DELAYED:
+			seg->status = WA_SEG_ABORTED;
+			spin_lock_irqsave(&rpipe->seg_lock, flags2);
+			list_del(&seg->list_node);
+			xfer->segs_done++;
+			rpipe_ready = rpipe_avail_inc(rpipe);
+			spin_unlock_irqrestore(&rpipe->seg_lock, flags2);
+			break;
+		case WA_SEG_SUBMITTED:
+			seg->status = WA_SEG_ABORTED;
+			usb_unlink_urb(&seg->urb);
+			if (xfer->is_inbound == 0)
+				usb_unlink_urb(seg->dto_urb);
+			xfer->segs_done++;
+			rpipe_ready = rpipe_avail_inc(rpipe);
+			break;
+		case WA_SEG_PENDING:
+			seg->status = WA_SEG_ABORTED;
+			xfer->segs_done++;
+			rpipe_ready = rpipe_avail_inc(rpipe);
+			break;
+		case WA_SEG_DTI_PENDING:
+			usb_unlink_urb(wa->dti_urb);
+			seg->status = WA_SEG_ABORTED;
+			xfer->segs_done++;
+			rpipe_ready = rpipe_avail_inc(rpipe);
+			break;
+		case WA_SEG_DONE:
+		case WA_SEG_ERROR:
+		case WA_SEG_ABORTED:
+			break;
+		}
+	}
+	xfer->result = urb->status;	/* -ENOENT or -ECONNRESET */
+	__wa_xfer_is_done(xfer);
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	wa_xfer_completion(xfer);
+	if (rpipe_ready)
+		wa_xfer_delayed_run(rpipe);
+	d_fnend(3, dev, "(wa %p, urb %p) = 0\n", wa, urb);
+	return 0;
+
+out_unlock:
+	spin_unlock_irqrestore(&xfer->lock, flags);
+out:
+	d_fnend(3, dev, "(wa %p, urb %p) = 0\n", wa, urb);
+	return 0;
+
+dequeue_delayed:
+	list_del_init(&xfer->list_node);
+	spin_unlock_irqrestore(&wa->xfer_list_lock, flags2);
+	xfer->result = urb->status;
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	wa_xfer_giveback(xfer);
+	usb_put_urb(urb);		/* we got a ref in enqueue() */
+	d_fnend(3, dev, "(wa %p, urb %p) = 0\n", wa, urb);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(wa_urb_dequeue);
+
+/*
+ * Translation from WA status codes (WUSB1.0 Table 8.15) to errno
+ * codes
+ *
+ * Positive errno values are internal inconsistencies and should be
+ * flagged louder. Negative are to be passed up to the user in the
+ * normal way.
+ *
+ * @status: USB WA status code -- high two bits are stripped.
+ */
+static int wa_xfer_status_to_errno(u8 status)
+{
+	int errno;
+	u8 real_status = status;
+	static int xlat[] = {
+		[WA_XFER_STATUS_SUCCESS] = 		0,
+		[WA_XFER_STATUS_HALTED] = 		-EPIPE,
+		[WA_XFER_STATUS_DATA_BUFFER_ERROR] = 	-ENOBUFS,
+		[WA_XFER_STATUS_BABBLE] = 		-EOVERFLOW,
+		[WA_XFER_RESERVED] = 			EINVAL,
+		[WA_XFER_STATUS_NOT_FOUND] =		0,
+		[WA_XFER_STATUS_INSUFFICIENT_RESOURCE] = -ENOMEM,
+		[WA_XFER_STATUS_TRANSACTION_ERROR] = 	-EILSEQ,
+		[WA_XFER_STATUS_ABORTED] = 		-EINTR,
+		[WA_XFER_STATUS_RPIPE_NOT_READY] = 	EINVAL,
+		[WA_XFER_INVALID_FORMAT] = 		EINVAL,
+		[WA_XFER_UNEXPECTED_SEGMENT_NUMBER] = 	EINVAL,
+		[WA_XFER_STATUS_RPIPE_TYPE_MISMATCH] = 	EINVAL,
+	};
+	status &= 0x3f;
+
+	if (status == 0)
+		return 0;
+	if (status >= ARRAY_SIZE(xlat)) {
+		if (printk_ratelimit())
+			printk(KERN_ERR "%s(): BUG? "
+			       "Unknown WA transfer status 0x%02x\n",
+			       __func__, real_status);
+		return -EINVAL;
+	}
+	errno = xlat[status];
+	if (unlikely(errno > 0)) {
+		if (printk_ratelimit())
+			printk(KERN_ERR "%s(): BUG? "
+			       "Inconsistent WA status: 0x%02x\n",
+			       __func__, real_status);
+		errno = -errno;
+	}
+	return errno;
+}
+
+/*
+ * Process a xfer result completion message
+ *
+ * inbound transfers: need to schedule a DTI read
+ *
+ * FIXME: this functio needs to be broken up in parts
+ */
+static void wa_xfer_result_chew(struct wahc *wa, struct wa_xfer *xfer)
+{
+	int result;
+	struct device *dev = &wa->usb_iface->dev;
+	unsigned long flags;
+	u8 seg_idx;
+	struct wa_seg *seg;
+	struct wa_rpipe *rpipe;
+	struct wa_xfer_result *xfer_result = wa->xfer_result;
+	u8 done = 0;
+	u8 usb_status;
+	unsigned rpipe_ready = 0;
+
+	d_fnstart(3, dev, "(wa %p xfer %p)\n", wa, xfer);
+	spin_lock_irqsave(&xfer->lock, flags);
+	seg_idx = xfer_result->bTransferSegment & 0x7f;
+	if (unlikely(seg_idx >= xfer->segs))
+		goto error_bad_seg;
+	seg = xfer->seg[seg_idx];
+	rpipe = xfer->ep->hcpriv;
+	usb_status = xfer_result->bTransferStatus;
+	d_printf(2, dev, "xfer %p#%u: bTransferStatus 0x%02x (seg %u)\n",
+		 xfer, seg_idx, usb_status, seg->status);
+	if (seg->status == WA_SEG_ABORTED
+	    || seg->status == WA_SEG_ERROR)	/* already handled */
+		goto segment_aborted;
+	if (seg->status == WA_SEG_SUBMITTED)	/* ops, got here */
+		seg->status = WA_SEG_PENDING;	/* before wa_seg{_dto}_cb() */
+	if (seg->status != WA_SEG_PENDING) {
+		if (printk_ratelimit())
+			dev_err(dev, "xfer %p#%u: Bad segment state %u\n",
+				xfer, seg_idx, seg->status);
+		seg->status = WA_SEG_PENDING;	/* workaround/"fix" it */
+	}
+	if (usb_status & 0x80) {
+		seg->result = wa_xfer_status_to_errno(usb_status);
+		dev_err(dev, "DTI: xfer %p#%u failed (0x%02x)\n",
+			xfer, seg->index, usb_status);
+		goto error_complete;
+	}
+	/* FIXME: we ignore warnings, tally them for stats */
+	if (usb_status & 0x40) 		/* Warning?... */
+		usb_status = 0;		/* ... pass */
+	if (xfer->is_inbound) {	/* IN data phase: read to buffer */
+		seg->status = WA_SEG_DTI_PENDING;
+		BUG_ON(wa->buf_in_urb->status == -EINPROGRESS);
+		if (xfer->is_dma) {
+			wa->buf_in_urb->transfer_dma =
+				xfer->urb->transfer_dma
+				+ seg_idx * xfer->seg_size;
+			wa->buf_in_urb->transfer_flags
+				|= URB_NO_TRANSFER_DMA_MAP;
+		} else {
+			wa->buf_in_urb->transfer_buffer =
+				xfer->urb->transfer_buffer
+				+ seg_idx * xfer->seg_size;
+			wa->buf_in_urb->transfer_flags
+				&= ~URB_NO_TRANSFER_DMA_MAP;
+		}
+		wa->buf_in_urb->transfer_buffer_length =
+			le32_to_cpu(xfer_result->dwTransferLength);
+		wa->buf_in_urb->context = seg;
+		result = usb_submit_urb(wa->buf_in_urb, GFP_ATOMIC);
+		if (result < 0)
+			goto error_submit_buf_in;
+	} else {
+		/* OUT data phase, complete it -- */
+		seg->status = WA_SEG_DONE;
+		seg->result = le32_to_cpu(xfer_result->dwTransferLength);
+		xfer->segs_done++;
+		rpipe_ready = rpipe_avail_inc(rpipe);
+		done = __wa_xfer_is_done(xfer);
+	}
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	if (done)
+		wa_xfer_completion(xfer);
+	if (rpipe_ready)
+		wa_xfer_delayed_run(rpipe);
+	d_fnend(3, dev, "(wa %p xfer %p) = void\n", wa, xfer);
+	return;
+
+
+error_submit_buf_in:
+	if (edc_inc(&wa->dti_edc, EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
+		dev_err(dev, "DTI: URB max acceptable errors "
+			"exceeded, resetting device\n");
+		wa_reset_all(wa);
+	}
+	if (printk_ratelimit())
+		dev_err(dev, "xfer %p#%u: can't submit DTI data phase: %d\n",
+			xfer, seg_idx, result);
+	seg->result = result;
+error_complete:
+	seg->status = WA_SEG_ERROR;
+	xfer->segs_done++;
+	rpipe_ready = rpipe_avail_inc(rpipe);
+	__wa_xfer_abort(xfer);
+	done = __wa_xfer_is_done(xfer);
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	if (done)
+		wa_xfer_completion(xfer);
+	if (rpipe_ready)
+		wa_xfer_delayed_run(rpipe);
+	d_fnend(3, dev, "(wa %p xfer %p) = void [segment/DTI-submit error]\n",
+		wa, xfer);
+	return;
+
+
+error_bad_seg:
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	wa_urb_dequeue(wa, xfer->urb);
+	if (printk_ratelimit())
+		dev_err(dev, "xfer %p#%u: bad segment\n", xfer, seg_idx);
+	if (edc_inc(&wa->dti_edc, EDC_MAX_ERRORS, EDC_ERROR_TIMEFRAME)) {
+		dev_err(dev, "DTI: URB max acceptable errors "
+			"exceeded, resetting device\n");
+		wa_reset_all(wa);
+	}
+	d_fnend(3, dev, "(wa %p xfer %p) = void [bad seg]\n", wa, xfer);
+	return;
+
+
+segment_aborted:
+	/* nothing to do, as the aborter did the completion */
+	spin_unlock_irqrestore(&xfer->lock, flags);
+	d_fnend(3, dev, "(wa %p xfer %p) = void [segment aborted]\n",
+		wa, xfer);
+	return;
+
+}
+
+/*
+ * Callback for the IN data phase
+ *
+ * If succesful transition state; otherwise, take a note of the
+ * error, mark this segment done and try completion.
+ *
+ * Note we don't access until we are sure that the transfer hasn't
+ * been cancelled (ECONNRESET, ENOENT), which could mean that
+ * seg->xfer could be already gone.
+ */
+static void wa_buf_in_cb(struct urb *urb)
+{
+	struct wa_seg *seg = urb->context;
+	struct wa_xfer *xfer = seg->xfer;
+	struct wahc *wa;
+	struct device *dev;
+	struct wa_rpipe *rpipe;
+	unsigned rpipe_ready;
+	unsigned long flags;
+	u8 done = 0;
+
+	d_fnstart(3, NULL, "(urb %p [%d])\n", urb, urb->status);
+	switch (urb->status) {
+	case 0:
+		spin_lock_irqsave(&xfer->lock, flags);
+		wa = xfer->wa;
+		dev = &wa->usb_iface->dev;
+		rpipe = xfer->ep->hcpriv;
+		d_printf(2, dev, "xfer %p#%u: data in done (%zu bytes)\n",
+			   xfer, seg->index, (size_t)urb->actual_length);
+		seg->status = WA_SEG_DONE;
+		seg->result = urb->actual_length;
+		xfer->segs_done++;
+		rpipe_ready = rpipe_avail_inc(rpipe);
+		done = __wa_xfer_is_done(xfer);
+		spin_unlock_irqrestore(&xfer->lock, flags);
+		if (done)
+			wa_xfer_completion(xfer);
+		if (rpipe_ready)
+			wa_xfer_delayed_run(rpipe);
+		break;
+	case -ECONNRESET:	/* URB unlinked; no need to do anything */
+	case -ENOENT:		/* as it was done by the who unlinked us */
+		break;
+	default:		/* Other errors ... */
+		spin_lock_irqsave(&xfer->lock, flags);
+		wa = xfer->wa;
+		dev = &wa->usb_iface->dev;
+		rpipe = xfer->ep->hcpriv;
+		if (printk_ratelimit())
+			dev_err(dev, "xfer %p#%u: data in error %d\n",
+				xfer, seg->index, urb->status);
+		if (edc_inc(&wa->nep_edc, EDC_MAX_ERRORS,
+			    EDC_ERROR_TIMEFRAME)){
+			dev_err(dev, "DTO: URB max acceptable errors "
+				"exceeded, resetting device\n");
+			wa_reset_all(wa);
+		}
+		seg->status = WA_SEG_ERROR;
+		seg->result = urb->status;
+		xfer->segs_done++;
+		rpipe_ready = rpipe_avail_inc(rpipe);
+		__wa_xfer_abort(xfer);
+		done = __wa_xfer_is_done(xfer);
+		spin_unlock_irqrestore(&xfer->lock, flags);
+		if (done)
+			wa_xfer_completion(xfer);
+		if (rpipe_ready)
+			wa_xfer_delayed_run(rpipe);
+	}
+	d_fnend(3, NULL, "(urb %p [%d]) = void\n", urb, urb->status);
+}
+
+/*
+ * Handle an incoming transfer result buffer
+ *
+ * Given a transfer result buffer, it completes the transfer (possibly
+ * scheduling and buffer in read) and then resubmits the DTI URB for a
+ * new transfer result read.
+ *
+ *
+ * The xfer_result DTI URB state machine
+ *
+ * States: OFF | RXR (Read-Xfer-Result) | RBI (Read-Buffer-In)
+ *
+ * We start in OFF mode, the first xfer_result notification [through
+ * wa_handle_notif_xfer()] moves us to RXR by posting the DTI-URB to
+ * read.
+ *
+ * We receive a buffer -- if it is not a xfer_result, we complain and
+ * repost the DTI-URB. If it is a xfer_result then do the xfer seg
+ * request accounting. If it is an IN segment, we move to RBI and post
+ * a BUF-IN-URB to the right buffer. The BUF-IN-URB callback will
+ * repost the DTI-URB and move to RXR state. if there was no IN
+ * segment, it will repost the DTI-URB.
+ *
+ * We go back to OFF when we detect a ENOENT or ESHUTDOWN (or too many
+ * errors) in the URBs.
+ */
+static void wa_xfer_result_cb(struct urb *urb)
+{
+	int result;
+	struct wahc *wa = urb->context;
+	struct device *dev = &wa->usb_iface->dev;
+	struct wa_xfer_result *xfer_result;
+	u32 xfer_id;
+	struct wa_xfer *xfer;
+	u8 usb_status;
+
+	d_fnstart(3, dev, "(%p)\n", wa);
+	BUG_ON(wa->dti_urb != urb);
+	switch (wa->dti_urb->status) {
+	case 0:
+		/* We have a xfer result buffer; check it */
+		d_printf(2, dev, "DTI: xfer result %d bytes at %p\n",
+			   urb->actual_length, urb->transfer_buffer);
+		d_dump(3, dev, urb->transfer_buffer, urb->actual_length);
+		if (wa->dti_urb->actual_length != sizeof(*xfer_result)) {
+			dev_err(dev, "DTI Error: xfer result--bad size "
+				"xfer result (%d bytes vs %zu needed)\n",
+				urb->actual_length, sizeof(*xfer_result));
+			break;
+		}
+		xfer_result = wa->xfer_result;
+		if (xfer_result->hdr.bLength != sizeof(*xfer_result)) {
+			dev_err(dev, "DTI Error: xfer result--"
+				"bad header length %u\n",
+				xfer_result->hdr.bLength);
+			break;
+		}
+		if (xfer_result->hdr.bNotifyType != WA_XFER_RESULT) {
+			dev_err(dev, "DTI Error: xfer result--"
+				"bad header type 0x%02x\n",
+				xfer_result->hdr.bNotifyType);
+			break;
+		}
+		usb_status = xfer_result->bTransferStatus & 0x3f;
+		if (usb_status == WA_XFER_STATUS_ABORTED
+		    || usb_status == WA_XFER_STATUS_NOT_FOUND)
+			/* taken care of already */
+			break;
+		xfer_id = xfer_result->dwTransferID;
+		xfer = wa_xfer_get_by_id(wa, xfer_id);
+		if (xfer == NULL) {
+			/* FIXME: transaction might have been cancelled */
+			dev_err(dev, "DTI Error: xfer result--"
+				"unknown xfer 0x%08x (status 0x%02x)\n",
+				xfer_id, usb_status);
+			break;
+		}
+		wa_xfer_result_chew(wa, xfer);
+		wa_xfer_put(xfer);
+		break;
+	case -ENOENT:		/* (we killed the URB)...so, no broadcast */
+	case -ESHUTDOWN:	/* going away! */
+		dev_dbg(dev, "DTI: going down! %d\n", urb->status);
+		goto out;
+	default:
+		/* Unknown error */
+		if (edc_inc(&wa->dti_edc, EDC_MAX_ERRORS,
+			    EDC_ERROR_TIMEFRAME)) {
+			dev_err(dev, "DTI: URB max acceptable errors "
+				"exceeded, resetting device\n");
+			wa_reset_all(wa);
+			goto out;
+		}
+		if (printk_ratelimit())
+			dev_err(dev, "DTI: URB error %d\n", urb->status);
+		break;
+	}
+	/* Resubmit the DTI URB */
+	result = usb_submit_urb(wa->dti_urb, GFP_ATOMIC);
+	if (result < 0) {
+		dev_err(dev, "DTI Error: Could not submit DTI URB (%d), "
+			"resetting\n", result);
+		wa_reset_all(wa);
+	}
+out:
+	d_fnend(3, dev, "(%p) = void\n", wa);
+	return;
+}
+
+/*
+ * Transfer complete notification
+ *
+ * Called from the notif.c code. We get a notification on EP2 saying
+ * that some endpoint has some transfer result data available. We are
+ * about to read it.
+ *
+ * To speed up things, we always have a URB reading the DTI URB; we
+ * don't really set it up and start it until the first xfer complete
+ * notification arrives, which is what we do here.
+ *
+ * Follow up in wa_xfer_result_cb(), as that's where the whole state
+ * machine starts.
+ *
+ * So here we just initialize the DTI URB for reading transfer result
+ * notifications and also the buffer-in URB, for reading buffers. Then
+ * we just submit the DTI URB.
+ *
+ * @wa shall be referenced
+ */
+void wa_handle_notif_xfer(struct wahc *wa, struct wa_notif_hdr *notif_hdr)
+{
+	int result;
+	struct device *dev = &wa->usb_iface->dev;
+	struct wa_notif_xfer *notif_xfer;
+	const struct usb_endpoint_descriptor *dti_epd = wa->dti_epd;
+
+	d_fnstart(4, dev, "(%p, %p)\n", wa, notif_hdr);
+	notif_xfer = container_of(notif_hdr, struct wa_notif_xfer, hdr);
+	BUG_ON(notif_hdr->bNotifyType != WA_NOTIF_TRANSFER);
+
+	if ((0x80 | notif_xfer->bEndpoint) != dti_epd->bEndpointAddress) {
+		/* FIXME: hardcoded limitation, adapt */
+		dev_err(dev, "BUG: DTI ep is %u, not %u (hack me)\n",
+			notif_xfer->bEndpoint, dti_epd->bEndpointAddress);
+		goto error;
+	}
+	if (wa->dti_urb != NULL)	/* DTI URB already started */
+		goto out;
+
+	wa->dti_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (wa->dti_urb == NULL) {
+		dev_err(dev, "Can't allocate DTI URB\n");
+		goto error_dti_urb_alloc;
+	}
+	usb_fill_bulk_urb(
+		wa->dti_urb, wa->usb_dev,
+		usb_rcvbulkpipe(wa->usb_dev, 0x80 | notif_xfer->bEndpoint),
+		wa->xfer_result, wa->xfer_result_size,
+		wa_xfer_result_cb, wa);
+
+	wa->buf_in_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (wa->buf_in_urb == NULL) {
+		dev_err(dev, "Can't allocate BUF-IN URB\n");
+		goto error_buf_in_urb_alloc;
+	}
+	usb_fill_bulk_urb(
+		wa->buf_in_urb, wa->usb_dev,
+		usb_rcvbulkpipe(wa->usb_dev, 0x80 | notif_xfer->bEndpoint),
+		NULL, 0, wa_buf_in_cb, wa);
+	result = usb_submit_urb(wa->dti_urb, GFP_KERNEL);
+	if (result < 0) {
+		dev_err(dev, "DTI Error: Could not submit DTI URB (%d), "
+			"resetting\n", result);
+		goto error_dti_urb_submit;
+	}
+out:
+	d_fnend(4, dev, "(%p, %p) = void\n", wa, notif_hdr);
+	return;
+
+error_dti_urb_submit:
+	usb_put_urb(wa->buf_in_urb);
+error_buf_in_urb_alloc:
+	usb_put_urb(wa->dti_urb);
+	wa->dti_urb = NULL;
+error_dti_urb_alloc:
+error:
+	wa_reset_all(wa);
+	d_fnend(4, dev, "(%p, %p) = void\n", wa, notif_hdr);
+	return;
+}
-- 
GitLab


From d09318b8ab2eabb65b6fa0dc04dab1822846eabb Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Date: Wed, 17 Sep 2008 16:34:30 +0100
Subject: [PATCH 0180/2224] wusb: add HWA host controller driver

Add a driver for Wireless USB host controllers connected via USB (a
Host Wire Adapter or HWA).

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/Makefile      |   1 +
 drivers/usb/host/Kconfig  |  14 +
 drivers/usb/host/Makefile |   1 +
 drivers/usb/host/hwa-hc.c | 925 ++++++++++++++++++++++++++++++++++++++
 4 files changed, 941 insertions(+)
 create mode 100644 drivers/usb/host/hwa-hc.c

diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 19ede32f0df..8b7c419b876 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_USB_UHCI_HCD)	+= host/
 obj-$(CONFIG_USB_SL811_HCD)	+= host/
 obj-$(CONFIG_USB_U132_HCD)	+= host/
 obj-$(CONFIG_USB_R8A66597_HCD)	+= host/
+obj-$(CONFIG_USB_HWA_HCD)	+= host/
 
 obj-$(CONFIG_USB_C67X00_HCD)	+= c67x00/
 
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index d3ba351398e..515044129bb 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -317,3 +317,17 @@ config USB_WHCI_HCD
 
 	  To compile this driver a module, choose M here: the module
 	  will be called "whci-hcd".
+
+config USB_HWA_HCD
+        tristate "Host Wire Adapter (HWA) driver"
+	depends on USB
+	select USB_WUSB
+	select UWB_HWA
+	help
+	  This driver enables you to connect Wireless USB devices to
+	  your system using a Host Wire Adaptor USB dongle. This is an
+	  UWB Radio Controller and WUSB Host Controller connected to
+	  your machine via USB (specified in WUSB1.0).
+
+	  To compile this driver a module, choose M here: the module
+	  will be called "hwa-hc".
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index c90cf865ccf..23be2222404 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_USB_SL811_CS)	+= sl811_cs.o
 obj-$(CONFIG_USB_U132_HCD)	+= u132-hcd.o
 obj-$(CONFIG_USB_R8A66597_HCD)	+= r8a66597-hcd.o
 obj-$(CONFIG_USB_ISP1760_HCD)	+= isp1760.o
+obj-$(CONFIG_USB_HWA_HCD)	+= hwa-hc.o
diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c
new file mode 100644
index 00000000000..64be4d88df1
--- /dev/null
+++ b/drivers/usb/host/hwa-hc.c
@@ -0,0 +1,925 @@
+/*
+ * Host Wire Adapter:
+ * Driver glue, HWA-specific functions, bridges to WAHC and WUSBHC
+ *
+ * Copyright (C) 2005-2006 Intel Corporation
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * The HWA driver is a simple layer that forwards requests to the WAHC
+ * (Wire Adater Host Controller) or WUSBHC (Wireless USB Host
+ * Controller) layers.
+ *
+ * Host Wire Adapter is the 'WUSB 1.0 standard' name for Wireless-USB
+ * Host Controller that is connected to your system via USB (a USB
+ * dongle that implements a USB host...). There is also a Device Wired
+ * Adaptor, DWA (Wireless USB hub) that uses the same mechanism for
+ * transferring data (it is after all a USB host connected via
+ * Wireless USB), we have a common layer called Wire Adapter Host
+ * Controller that does all the hard work. The WUSBHC (Wireless USB
+ * Host Controller) is the part common to WUSB Host Controllers, the
+ * HWA and the PCI-based one, that is implemented following the WHCI
+ * spec. All these layers are implemented in ../wusbcore.
+ *
+ * The main functions are hwahc_op_urb_{en,de}queue(), that pass the
+ * job of converting a URB to a Wire Adapter
+ *
+ * Entry points:
+ *
+ *   hwahc_driver_*()   Driver initialization, registration and
+ *                      teardown.
+ *
+ *   hwahc_probe()	New device came up, create an instance for
+ *                      it [from device enumeration].
+ *
+ *   hwahc_disconnect()	Remove device instance [from device
+ *                      enumeration].
+ *
+ *   [__]hwahc_op_*()   Host-Wire-Adaptor specific functions for
+ *                      starting/stopping/etc (some might be made also
+ *                      DWA).
+ */
+#include <linux/kernel.h>
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/workqueue.h>
+#include <linux/wait.h>
+#include <linux/completion.h>
+#include "../wusbcore/wa-hc.h"
+#include "../wusbcore/wusbhc.h"
+
+#define D_LOCAL 0
+#include <linux/uwb/debug.h>
+
+struct hwahc {
+	struct wusbhc wusbhc;	/* has to be 1st */
+	struct wahc wa;
+	u8 buffer[16];		/* for misc usb transactions */
+};
+
+/**
+ * FIXME should be wusbhc
+ *
+ * NOTE: we need to cache the Cluster ID because later...there is no
+ *       way to get it :)
+ */
+static int __hwahc_set_cluster_id(struct hwahc *hwahc, u8 cluster_id)
+{
+	int result;
+	struct wusbhc *wusbhc = &hwahc->wusbhc;
+	struct wahc *wa = &hwahc->wa;
+	struct device *dev = &wa->usb_iface->dev;
+
+	result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			WUSB_REQ_SET_CLUSTER_ID,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			cluster_id,
+			wa->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+			NULL, 0, 1000 /* FIXME: arbitrary */);
+	if (result < 0)
+		dev_err(dev, "Cannot set WUSB Cluster ID to 0x%02x: %d\n",
+			cluster_id, result);
+	else
+		wusbhc->cluster_id = cluster_id;
+	dev_info(dev, "Wireless USB Cluster ID set to 0x%02x\n", cluster_id);
+	return result;
+}
+
+static int __hwahc_op_set_num_dnts(struct wusbhc *wusbhc, u8 interval, u8 slots)
+{
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+
+	return usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			WUSB_REQ_SET_NUM_DNTS,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			interval << 8 | slots,
+			wa->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+			NULL, 0, 1000 /* FIXME: arbitrary */);
+}
+
+/*
+ * Reset a WUSB host controller and wait for it to complete doing it.
+ *
+ * @usb_hcd:	Pointer to WUSB Host Controller instance.
+ *
+ */
+static int hwahc_op_reset(struct usb_hcd *usb_hcd)
+{
+	int result;
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct device *dev = &hwahc->wa.usb_iface->dev;
+
+	d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
+	mutex_lock(&wusbhc->mutex);
+	wa_nep_disarm(&hwahc->wa);
+	result = __wa_set_feature(&hwahc->wa, WA_RESET);
+	if (result < 0) {
+		dev_err(dev, "error commanding HC to reset: %d\n", result);
+		goto error_unlock;
+	}
+	d_printf(3, dev, "reset: waiting for device to change state\n");
+	result = __wa_wait_status(&hwahc->wa, WA_STATUS_RESETTING, 0);
+	if (result < 0) {
+		dev_err(dev, "error waiting for HC to reset: %d\n", result);
+		goto error_unlock;
+	}
+error_unlock:
+	mutex_unlock(&wusbhc->mutex);
+	d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
+	return result;
+}
+
+/*
+ * FIXME: break this function up
+ */
+static int hwahc_op_start(struct usb_hcd *usb_hcd)
+{
+	u8 addr;
+	int result;
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct device *dev = &hwahc->wa.usb_iface->dev;
+
+	/* Set up a Host Info WUSB Information Element */
+	d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
+	result = -ENOSPC;
+	mutex_lock(&wusbhc->mutex);
+	/* Start the numbering from the top so that the bottom
+	 * range of the unauth addr space is used for devices,
+	 * the top for HCs; use 0xfe - RC# */
+	addr = wusb_cluster_id_get();
+	if (addr == 0)
+		goto error_cluster_id_get;
+	result = __hwahc_set_cluster_id(hwahc, addr);
+	if (result < 0)
+		goto error_set_cluster_id;
+
+	result = wa_nep_arm(&hwahc->wa, GFP_KERNEL);
+	if (result < 0) {
+		dev_err(dev, "cannot listen to notifications: %d\n", result);
+		goto error_stop;
+	}
+	usb_hcd->uses_new_polling = 1;
+	usb_hcd->poll_rh = 1;
+	usb_hcd->state = HC_STATE_RUNNING;
+	result = 0;
+out:
+	mutex_unlock(&wusbhc->mutex);
+	d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
+	return result;
+
+error_stop:
+	__wa_stop(&hwahc->wa);
+error_set_cluster_id:
+	wusb_cluster_id_put(wusbhc->cluster_id);
+error_cluster_id_get:
+	goto out;
+
+}
+
+/*
+ * FIXME: break this function up
+ */
+static int __hwahc_op_wusbhc_start(struct wusbhc *wusbhc)
+{
+	int result;
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct device *dev = &hwahc->wa.usb_iface->dev;
+
+	/* Set up a Host Info WUSB Information Element */
+	d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
+	result = -ENOSPC;
+
+	result = __wa_set_feature(&hwahc->wa, WA_ENABLE);
+	if (result < 0) {
+		dev_err(dev, "error commanding HC to start: %d\n", result);
+		goto error_stop;
+	}
+	result = __wa_wait_status(&hwahc->wa, WA_ENABLE, WA_ENABLE);
+	if (result < 0) {
+		dev_err(dev, "error waiting for HC to start: %d\n", result);
+		goto error_stop;
+	}
+	result = 0;
+out:
+	d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
+	return result;
+
+error_stop:
+	result = __wa_clear_feature(&hwahc->wa, WA_ENABLE);
+	goto out;
+}
+
+static int hwahc_op_suspend(struct usb_hcd *usb_hcd, pm_message_t msg)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	dev_err(wusbhc->dev, "%s (%p [%p], 0x%lx) UNIMPLEMENTED\n", __func__,
+		usb_hcd, hwahc, *(unsigned long *) &msg);
+	return -ENOSYS;
+}
+
+static int hwahc_op_resume(struct usb_hcd *usb_hcd)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+
+	dev_err(wusbhc->dev, "%s (%p [%p]) UNIMPLEMENTED\n", __func__,
+		usb_hcd, hwahc);
+	return -ENOSYS;
+}
+
+static void __hwahc_op_wusbhc_stop(struct wusbhc *wusbhc)
+{
+	int result;
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct device *dev = &hwahc->wa.usb_iface->dev;
+
+	d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
+	/* Nothing for now */
+	d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
+	return;
+}
+
+/*
+ * No need to abort pipes, as when this is called, all the children
+ * has been disconnected and that has done it [through
+ * usb_disable_interface() -> usb_disable_endpoint() ->
+ * hwahc_op_ep_disable() - >rpipe_ep_disable()].
+ */
+static void hwahc_op_stop(struct usb_hcd *usb_hcd)
+{
+	int result;
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+	struct device *dev = &wa->usb_iface->dev;
+
+	d_fnstart(4, dev, "(hwahc %p)\n", hwahc);
+	mutex_lock(&wusbhc->mutex);
+	wusbhc_stop(wusbhc);
+	wa_nep_disarm(&hwahc->wa);
+	result = __wa_stop(&hwahc->wa);
+	wusb_cluster_id_put(wusbhc->cluster_id);
+	mutex_unlock(&wusbhc->mutex);
+	d_fnend(4, dev, "(hwahc %p) = %d\n", hwahc, result);
+	return;
+}
+
+static int hwahc_op_get_frame_number(struct usb_hcd *usb_hcd)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+
+	dev_err(wusbhc->dev, "%s (%p [%p]) UNIMPLEMENTED\n", __func__,
+		usb_hcd, hwahc);
+	return -ENOSYS;
+}
+
+static int hwahc_op_urb_enqueue(struct usb_hcd *usb_hcd, struct urb *urb,
+				gfp_t gfp)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+
+	return wa_urb_enqueue(&hwahc->wa, urb->ep, urb, gfp);
+}
+
+static int hwahc_op_urb_dequeue(struct usb_hcd *usb_hcd, struct urb *urb,
+				int status)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+
+	return wa_urb_dequeue(&hwahc->wa, urb);
+}
+
+/*
+ * Release resources allocated for an endpoint
+ *
+ * If there is an associated rpipe to this endpoint, go ahead and put it.
+ */
+static void hwahc_op_endpoint_disable(struct usb_hcd *usb_hcd,
+				      struct usb_host_endpoint *ep)
+{
+	struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+
+	rpipe_ep_disable(&hwahc->wa, ep);
+}
+
+/*
+ * Set the UWB MAS allocation for the WUSB cluster
+ *
+ * @stream_index: stream to use (-1 for cancelling the allocation)
+ * @mas: mas bitmap to use
+ */
+static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index,
+			      const struct uwb_mas_bm *mas)
+{
+	int result;
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+	struct device *dev = &wa->usb_iface->dev;
+	u8 mas_le[UWB_NUM_MAS/8];
+
+	/* Set the stream index */
+	result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			WUSB_REQ_SET_STREAM_IDX,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			stream_index,
+			wa->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+			NULL, 0, 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "Cannot set WUSB stream index: %d\n", result);
+		goto out;
+	}
+	uwb_mas_bm_copy_le(mas_le, mas);
+	/* Set the MAS allocation */
+	result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			WUSB_REQ_SET_WUSB_MAS,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			0, wa->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+			mas_le, 32, 1000 /* FIXME: arbitrary */);
+	if (result < 0)
+		dev_err(dev, "Cannot set WUSB MAS allocation: %d\n", result);
+out:
+	return result;
+}
+
+/*
+ * Add an IE to the host's MMC
+ *
+ * @interval:    See WUSB1.0[8.5.3.1]
+ * @repeat_cnt:  See WUSB1.0[8.5.3.1]
+ * @handle:      See WUSB1.0[8.5.3.1]
+ * @wuie:        Pointer to the header of the WUSB IE data to add.
+ *               MUST BE allocated in a kmalloc buffer (no stack or
+ *               vmalloc).
+ *
+ * NOTE: the format of the WUSB IEs for MMCs are different to the
+ *       normal MBOA MAC IEs (IE Id + Length in MBOA MAC vs. Length +
+ *       Id in WUSB IEs). Standards...you gotta love'em.
+ */
+static int __hwahc_op_mmcie_add(struct wusbhc *wusbhc, u8 interval,
+				u8 repeat_cnt, u8 handle,
+				struct wuie_hdr *wuie)
+{
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+	u8 iface_no = wa->usb_iface->cur_altsetting->desc.bInterfaceNumber;
+
+	return usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			WUSB_REQ_ADD_MMC_IE,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			interval << 8 | repeat_cnt,
+			handle << 8 | iface_no,
+			wuie, wuie->bLength, 1000 /* FIXME: arbitrary */);
+}
+
+/*
+ * Remove an IE to the host's MMC
+ *
+ * @handle:      See WUSB1.0[8.5.3.1]
+ */
+static int __hwahc_op_mmcie_rm(struct wusbhc *wusbhc, u8 handle)
+{
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+	u8 iface_no = wa->usb_iface->cur_altsetting->desc.bInterfaceNumber;
+	return usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			WUSB_REQ_REMOVE_MMC_IE,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			0, handle << 8 | iface_no,
+			NULL, 0, 1000 /* FIXME: arbitrary */);
+}
+
+/*
+ * Update device information for a given fake port
+ *
+ * @port_idx: Fake port to which device is connected (wusbhc index, not
+ *            USB port number).
+ */
+static int __hwahc_op_dev_info_set(struct wusbhc *wusbhc,
+				   struct wusb_dev *wusb_dev)
+{
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+	u8 iface_no = wa->usb_iface->cur_altsetting->desc.bInterfaceNumber;
+	struct hwa_dev_info *dev_info;
+	int ret;
+
+	/* fill out the Device Info buffer and send it */
+	dev_info = kzalloc(sizeof(struct hwa_dev_info), GFP_KERNEL);
+	if (!dev_info)
+		return -ENOMEM;
+	uwb_mas_bm_copy_le(dev_info->bmDeviceAvailability,
+			   &wusb_dev->availability);
+	dev_info->bDeviceAddress = wusb_dev->addr;
+
+	/*
+	 * If the descriptors haven't been read yet, use a default PHY
+	 * rate of 53.3 Mbit/s only.  The correct value will be used
+	 * when this will be called again as part of the
+	 * authentication process (which occurs after the descriptors
+	 * have been read).
+	 */
+	if (wusb_dev->wusb_cap_descr)
+		dev_info->wPHYRates = wusb_dev->wusb_cap_descr->wPHYRates;
+	else
+		dev_info->wPHYRates = cpu_to_le16(USB_WIRELESS_PHY_53);
+
+	ret = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			WUSB_REQ_SET_DEV_INFO,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			0, wusb_dev->port_idx << 8 | iface_no,
+			dev_info, sizeof(struct hwa_dev_info),
+			1000 /* FIXME: arbitrary */);
+	kfree(dev_info);
+	return ret;
+}
+
+/*
+ * Set host's idea of which encryption (and key) method to use when
+ * talking to ad evice on a given port.
+ *
+ * If key is NULL, it means disable encryption for that "virtual port"
+ * (used when we disconnect).
+ */
+static int __hwahc_dev_set_key(struct wusbhc *wusbhc, u8 port_idx, u32 tkid,
+			       const void *key, size_t key_size,
+			       u8 key_idx)
+{
+	int result = -ENOMEM;
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+	u8 iface_no = wa->usb_iface->cur_altsetting->desc.bInterfaceNumber;
+	struct usb_key_descriptor *keyd;
+	size_t keyd_len;
+
+	keyd_len = sizeof(*keyd) + key_size;
+	keyd = kzalloc(keyd_len, GFP_KERNEL);
+	if (keyd == NULL)
+		return -ENOMEM;
+
+	keyd->bLength = keyd_len;
+	keyd->bDescriptorType = USB_DT_KEY;
+	keyd->tTKID[0] = (tkid >>  0) & 0xff;
+	keyd->tTKID[1] = (tkid >>  8) & 0xff;
+	keyd->tTKID[2] = (tkid >> 16) & 0xff;
+	memcpy(keyd->bKeyData, key, key_size);
+
+	result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			USB_REQ_SET_DESCRIPTOR,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			USB_DT_KEY << 8 | key_idx,
+			port_idx << 8 | iface_no,
+			keyd, keyd_len, 1000 /* FIXME: arbitrary */);
+
+	memset(keyd, 0, sizeof(*keyd));	/* clear keys etc. */
+	kfree(keyd);
+	return result;
+}
+
+/*
+ * Set host's idea of which encryption (and key) method to use when
+ * talking to ad evice on a given port.
+ *
+ * If key is NULL, it means disable encryption for that "virtual port"
+ * (used when we disconnect).
+ */
+static int __hwahc_op_set_ptk(struct wusbhc *wusbhc, u8 port_idx, u32 tkid,
+			      const void *key, size_t key_size)
+{
+	int result = -ENOMEM;
+	struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	struct wahc *wa = &hwahc->wa;
+	u8 iface_no = wa->usb_iface->cur_altsetting->desc.bInterfaceNumber;
+	u8 encryption_value;
+
+	/* Tell the host which key to use to talk to the device */
+	if (key) {
+		u8 key_idx = wusb_key_index(0, WUSB_KEY_INDEX_TYPE_PTK,
+					    WUSB_KEY_INDEX_ORIGINATOR_HOST);
+
+		result = __hwahc_dev_set_key(wusbhc, port_idx, tkid,
+					     key, key_size, key_idx);
+		if (result < 0)
+			goto error_set_key;
+		encryption_value = wusbhc->ccm1_etd->bEncryptionValue;
+	} else {
+		/* FIXME: this should come from wusbhc->etd[UNSECURE].value */
+		encryption_value = 0;
+	}
+
+	/* Set the encryption type for commmunicating with the device */
+	result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
+			USB_REQ_SET_ENCRYPTION,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			encryption_value, port_idx << 8 | iface_no,
+			NULL, 0, 1000 /* FIXME: arbitrary */);
+	if (result < 0)
+		dev_err(wusbhc->dev, "Can't set host's WUSB encryption for "
+			"port index %u to %s (value %d): %d\n", port_idx,
+			wusb_et_name(wusbhc->ccm1_etd->bEncryptionType),
+			wusbhc->ccm1_etd->bEncryptionValue, result);
+error_set_key:
+	return result;
+}
+
+/*
+ * Set host's GTK key
+ */
+static int __hwahc_op_set_gtk(struct wusbhc *wusbhc, u32 tkid,
+			      const void *key, size_t key_size)
+{
+	u8 key_idx = wusb_key_index(0, WUSB_KEY_INDEX_TYPE_GTK,
+				    WUSB_KEY_INDEX_ORIGINATOR_HOST);
+
+	return __hwahc_dev_set_key(wusbhc, 0, tkid, key, key_size, key_idx);
+}
+
+/*
+ * Get the Wire Adapter class-specific descriptor
+ *
+ * NOTE: this descriptor comes with the big bundled configuration
+ *       descriptor that includes the interfaces' and endpoints', so
+ *       we just look for it in the cached copy kept by the USB stack.
+ *
+ * NOTE2: We convert LE fields to CPU order.
+ */
+static int wa_fill_descr(struct wahc *wa)
+{
+	int result;
+	struct device *dev = &wa->usb_iface->dev;
+	char *itr;
+	struct usb_device *usb_dev = wa->usb_dev;
+	struct usb_descriptor_header *hdr;
+	struct usb_wa_descriptor *wa_descr;
+	size_t itr_size, actconfig_idx;
+
+	actconfig_idx = (usb_dev->actconfig - usb_dev->config) /
+			sizeof(usb_dev->config[0]);
+	itr = usb_dev->rawdescriptors[actconfig_idx];
+	itr_size = le16_to_cpu(usb_dev->actconfig->desc.wTotalLength);
+	while (itr_size >= sizeof(*hdr)) {
+		hdr = (struct usb_descriptor_header *) itr;
+		d_printf(3, dev, "Extra device descriptor: "
+			 "type %02x/%u bytes @ %zu (%zu left)\n",
+			 hdr->bDescriptorType, hdr->bLength,
+			 (itr - usb_dev->rawdescriptors[actconfig_idx]),
+			 itr_size);
+		if (hdr->bDescriptorType == USB_DT_WIRE_ADAPTER)
+			goto found;
+		itr += hdr->bLength;
+		itr_size -= hdr->bLength;
+	}
+	dev_err(dev, "cannot find Wire Adapter Class descriptor\n");
+	return -ENODEV;
+
+found:
+	result = -EINVAL;
+	if (hdr->bLength > itr_size) {	/* is it available? */
+		dev_err(dev, "incomplete Wire Adapter Class descriptor "
+			"(%zu bytes left, %u needed)\n",
+			itr_size, hdr->bLength);
+		goto error;
+	}
+	if (hdr->bLength < sizeof(*wa->wa_descr)) {
+		dev_err(dev, "short Wire Adapter Class descriptor\n");
+		goto error;
+	}
+	wa->wa_descr = wa_descr = (struct usb_wa_descriptor *) hdr;
+	/* Make LE fields CPU order */
+	wa_descr->bcdWAVersion = le16_to_cpu(wa_descr->bcdWAVersion);
+	wa_descr->wNumRPipes = le16_to_cpu(wa_descr->wNumRPipes);
+	wa_descr->wRPipeMaxBlock = le16_to_cpu(wa_descr->wRPipeMaxBlock);
+	if (wa_descr->bcdWAVersion > 0x0100)
+		dev_warn(dev, "Wire Adapter v%d.%d newer than groked v1.0\n",
+			 wa_descr->bcdWAVersion & 0xff00 >> 8,
+			 wa_descr->bcdWAVersion & 0x00ff);
+	result = 0;
+error:
+	return result;
+}
+
+static struct hc_driver hwahc_hc_driver = {
+	.description = "hwa-hcd",
+	.product_desc = "Wireless USB HWA host controller",
+	.hcd_priv_size = sizeof(struct hwahc) - sizeof(struct usb_hcd),
+	.irq = NULL,			/* FIXME */
+	.flags = HCD_USB2,		/* FIXME */
+	.reset = hwahc_op_reset,
+	.start = hwahc_op_start,
+	.pci_suspend = hwahc_op_suspend,
+	.pci_resume = hwahc_op_resume,
+	.stop = hwahc_op_stop,
+	.get_frame_number = hwahc_op_get_frame_number,
+	.urb_enqueue = hwahc_op_urb_enqueue,
+	.urb_dequeue = hwahc_op_urb_dequeue,
+	.endpoint_disable = hwahc_op_endpoint_disable,
+
+	.hub_status_data = wusbhc_rh_status_data,
+	.hub_control = wusbhc_rh_control,
+	.bus_suspend = wusbhc_rh_suspend,
+	.bus_resume = wusbhc_rh_resume,
+	.start_port_reset = wusbhc_rh_start_port_reset,
+};
+
+static int hwahc_security_create(struct hwahc *hwahc)
+{
+	int result;
+	struct wusbhc *wusbhc = &hwahc->wusbhc;
+	struct usb_device *usb_dev = hwahc->wa.usb_dev;
+	struct device *dev = &usb_dev->dev;
+	struct usb_security_descriptor *secd;
+	struct usb_encryption_descriptor *etd;
+	void *itr, *top;
+	size_t itr_size, needed, bytes;
+	u8 index;
+	char buf[64];
+
+	/* Find the host's security descriptors in the config descr bundle */
+	index = (usb_dev->actconfig - usb_dev->config) /
+		sizeof(usb_dev->config[0]);
+	itr = usb_dev->rawdescriptors[index];
+	itr_size = le16_to_cpu(usb_dev->actconfig->desc.wTotalLength);
+	top = itr + itr_size;
+	result = __usb_get_extra_descriptor(usb_dev->rawdescriptors[index],
+			le16_to_cpu(usb_dev->actconfig->desc.wTotalLength),
+			USB_DT_SECURITY, (void **) &secd);
+	if (result == -1) {
+		dev_warn(dev, "BUG? WUSB host has no security descriptors\n");
+		return 0;
+	}
+	needed = sizeof(*secd);
+	if (top - (void *)secd < needed) {
+		dev_err(dev, "BUG? Not enough data to process security "
+			"descriptor header (%zu bytes left vs %zu needed)\n",
+			top - (void *) secd, needed);
+		return 0;
+	}
+	needed = le16_to_cpu(secd->wTotalLength);
+	if (top - (void *)secd < needed) {
+		dev_err(dev, "BUG? Not enough data to process security "
+			"descriptors (%zu bytes left vs %zu needed)\n",
+			top - (void *) secd, needed);
+		return 0;
+	}
+	/* Walk over the sec descriptors and store CCM1's on wusbhc */
+	itr = (void *) secd + sizeof(*secd);
+	top = (void *) secd + le16_to_cpu(secd->wTotalLength);
+	index = 0;
+	bytes = 0;
+	while (itr < top) {
+		etd = itr;
+		if (top - itr < sizeof(*etd)) {
+			dev_err(dev, "BUG: bad host security descriptor; "
+				"not enough data (%zu vs %zu left)\n",
+				top - itr, sizeof(*etd));
+			break;
+		}
+		if (etd->bLength < sizeof(*etd)) {
+			dev_err(dev, "BUG: bad host encryption descriptor; "
+				"descriptor is too short "
+				"(%zu vs %zu needed)\n",
+				(size_t)etd->bLength, sizeof(*etd));
+			break;
+		}
+		itr += etd->bLength;
+		bytes += snprintf(buf + bytes, sizeof(buf) - bytes,
+				  "%s (0x%02x) ",
+				  wusb_et_name(etd->bEncryptionType),
+				  etd->bEncryptionValue);
+		wusbhc->ccm1_etd = etd;
+	}
+	dev_info(dev, "supported encryption types: %s\n", buf);
+	if (wusbhc->ccm1_etd == NULL) {
+		dev_err(dev, "E: host doesn't support CCM-1 crypto\n");
+		return 0;
+	}
+	/* Pretty print what we support */
+	return 0;
+}
+
+static void hwahc_security_release(struct hwahc *hwahc)
+{
+	/* nothing to do here so far... */
+}
+
+static int hwahc_create(struct hwahc *hwahc, struct usb_interface *iface)
+{
+	int result;
+	struct device *dev = &iface->dev;
+	struct wusbhc *wusbhc = &hwahc->wusbhc;
+	struct wahc *wa = &hwahc->wa;
+	struct usb_device *usb_dev = interface_to_usbdev(iface);
+
+	wa->usb_dev = usb_get_dev(usb_dev);	/* bind the USB device */
+	wa->usb_iface = usb_get_intf(iface);
+	wusbhc->dev = dev;
+	wusbhc->uwb_rc = uwb_rc_get_by_grandpa(iface->dev.parent);
+	if (wusbhc->uwb_rc == NULL) {
+		result = -ENODEV;
+		dev_err(dev, "Cannot get associated UWB Host Controller\n");
+		goto error_rc_get;
+	}
+	result = wa_fill_descr(wa);	/* Get the device descriptor */
+	if (result < 0)
+		goto error_fill_descriptor;
+	if (wa->wa_descr->bNumPorts > USB_MAXCHILDREN) {
+		dev_err(dev, "FIXME: USB_MAXCHILDREN too low for WUSB "
+			"adapter (%u ports)\n", wa->wa_descr->bNumPorts);
+		wusbhc->ports_max = USB_MAXCHILDREN;
+	} else {
+		wusbhc->ports_max = wa->wa_descr->bNumPorts;
+	}
+	wusbhc->mmcies_max = wa->wa_descr->bNumMMCIEs;
+	wusbhc->start = __hwahc_op_wusbhc_start;
+	wusbhc->stop = __hwahc_op_wusbhc_stop;
+	wusbhc->mmcie_add = __hwahc_op_mmcie_add;
+	wusbhc->mmcie_rm = __hwahc_op_mmcie_rm;
+	wusbhc->dev_info_set = __hwahc_op_dev_info_set;
+	wusbhc->bwa_set = __hwahc_op_bwa_set;
+	wusbhc->set_num_dnts = __hwahc_op_set_num_dnts;
+	wusbhc->set_ptk = __hwahc_op_set_ptk;
+	wusbhc->set_gtk = __hwahc_op_set_gtk;
+	result = hwahc_security_create(hwahc);
+	if (result < 0) {
+		dev_err(dev, "Can't initialize security: %d\n", result);
+		goto error_security_create;
+	}
+	wa->wusb = wusbhc;	/* FIXME: ugly, need to fix */
+	result = wusbhc_create(&hwahc->wusbhc);
+	if (result < 0) {
+		dev_err(dev, "Can't create WUSB HC structures: %d\n", result);
+		goto error_wusbhc_create;
+	}
+	result = wa_create(&hwahc->wa, iface);
+	if (result < 0)
+		goto error_wa_create;
+	return 0;
+
+error_wa_create:
+	wusbhc_destroy(&hwahc->wusbhc);
+error_wusbhc_create:
+	/* WA Descr fill allocs no resources */
+error_security_create:
+error_fill_descriptor:
+	uwb_rc_put(wusbhc->uwb_rc);
+error_rc_get:
+	usb_put_intf(iface);
+	usb_put_dev(usb_dev);
+	return result;
+}
+
+static void hwahc_destroy(struct hwahc *hwahc)
+{
+	struct wusbhc *wusbhc = &hwahc->wusbhc;
+
+	d_fnstart(1, NULL, "(hwahc %p)\n", hwahc);
+	mutex_lock(&wusbhc->mutex);
+	__wa_destroy(&hwahc->wa);
+	wusbhc_destroy(&hwahc->wusbhc);
+	hwahc_security_release(hwahc);
+	hwahc->wusbhc.dev = NULL;
+	uwb_rc_put(wusbhc->uwb_rc);
+	usb_put_intf(hwahc->wa.usb_iface);
+	usb_put_dev(hwahc->wa.usb_dev);
+	mutex_unlock(&wusbhc->mutex);
+	d_fnend(1, NULL, "(hwahc %p) = void\n", hwahc);
+}
+
+static void hwahc_init(struct hwahc *hwahc)
+{
+	wa_init(&hwahc->wa);
+}
+
+static int hwahc_probe(struct usb_interface *usb_iface,
+		       const struct usb_device_id *id)
+{
+	int result;
+	struct usb_hcd *usb_hcd;
+	struct wusbhc *wusbhc;
+	struct hwahc *hwahc;
+	struct device *dev = &usb_iface->dev;
+
+	d_fnstart(4, dev, "(%p, %p)\n", usb_iface, id);
+	result = -ENOMEM;
+	usb_hcd = usb_create_hcd(&hwahc_hc_driver, &usb_iface->dev, "wusb-hwa");
+	if (usb_hcd == NULL) {
+		dev_err(dev, "unable to allocate instance\n");
+		goto error_alloc;
+	}
+	usb_hcd->wireless = 1;
+	usb_hcd->flags |= HCD_FLAG_SAW_IRQ;
+	wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+	hwahc_init(hwahc);
+	result = hwahc_create(hwahc, usb_iface);
+	if (result < 0) {
+		dev_err(dev, "Cannot initialize internals: %d\n", result);
+		goto error_hwahc_create;
+	}
+	result = usb_add_hcd(usb_hcd, 0, 0);
+	if (result < 0) {
+		dev_err(dev, "Cannot add HCD: %d\n", result);
+		goto error_add_hcd;
+	}
+	result = wusbhc_b_create(&hwahc->wusbhc);
+	if (result < 0) {
+		dev_err(dev, "Cannot setup phase B of WUSBHC: %d\n", result);
+		goto error_wusbhc_b_create;
+	}
+	d_fnend(4, dev, "(%p, %p) = 0\n", usb_iface, id);
+	return 0;
+
+error_wusbhc_b_create:
+	usb_remove_hcd(usb_hcd);
+error_add_hcd:
+	hwahc_destroy(hwahc);
+error_hwahc_create:
+	usb_put_hcd(usb_hcd);
+error_alloc:
+	d_fnend(4, dev, "(%p, %p) = %d\n", usb_iface, id, result);
+	return result;
+}
+
+static void hwahc_disconnect(struct usb_interface *usb_iface)
+{
+	struct usb_hcd *usb_hcd;
+	struct wusbhc *wusbhc;
+	struct hwahc *hwahc;
+
+	usb_hcd = usb_get_intfdata(usb_iface);
+	wusbhc = usb_hcd_to_wusbhc(usb_hcd);
+	hwahc = container_of(wusbhc, struct hwahc, wusbhc);
+
+	d_fnstart(1, NULL, "(hwahc %p [usb_iface %p])\n", hwahc, usb_iface);
+	wusbhc_b_destroy(&hwahc->wusbhc);
+	usb_remove_hcd(usb_hcd);
+	hwahc_destroy(hwahc);
+	usb_put_hcd(usb_hcd);
+	d_fnend(1, NULL, "(hwahc %p [usb_iface %p]) = void\n", hwahc,
+		usb_iface);
+}
+
+/** USB device ID's that we handle */
+static struct usb_device_id hwahc_id_table[] = {
+	/* FIXME: use class labels for this */
+	{ USB_INTERFACE_INFO(0xe0, 0x02, 0x01), },
+	{},
+};
+MODULE_DEVICE_TABLE(usb, hwahc_id_table);
+
+static struct usb_driver hwahc_driver = {
+	.name =		"hwa-hc",
+	.probe =	hwahc_probe,
+	.disconnect =	hwahc_disconnect,
+	.id_table =	hwahc_id_table,
+};
+
+static int __init hwahc_driver_init(void)
+{
+	int result;
+	result = usb_register(&hwahc_driver);
+	if (result < 0) {
+		printk(KERN_ERR "WA-CDS: Cannot register USB driver: %d\n",
+		       result);
+		goto error_usb_register;
+	}
+	return 0;
+
+error_usb_register:
+	return result;
+
+}
+module_init(hwahc_driver_init);
+
+static void __exit hwahc_driver_exit(void)
+{
+	usb_deregister(&hwahc_driver);
+}
+module_exit(hwahc_driver_exit);
+
+
+MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
+MODULE_DESCRIPTION("Host Wired Adapter USB Host Control Driver");
+MODULE_LICENSE("GPL");
-- 
GitLab


From f51c23baedf191734364d3aae034d8c9c4cd8cf8 Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:31 +0100
Subject: [PATCH 0181/2224] wusb: fix error path for wusb_set_dev_addr()

Error path for wusb_set_dev_addr() was handled incorrectly. Fix it by
considering error only when return value is negative.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/devconnect.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index f05f9b4d775..30d7020e1c5 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -239,8 +239,8 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
 			"port %u\n", dev_addr, port_idx);
 
 		result = wusb_set_dev_addr(wusbhc, wusb_dev, dev_addr);
-		if (result)
-			return  NULL;
+		if (result < 0)
+			return NULL;
 	}
 	wusb_dev->entry_ts = jiffies;
 	list_add_tail(&wusb_dev->cack_node, &wusbhc->cack_list);
@@ -1301,7 +1301,7 @@ int wusb_set_dev_addr(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev, u8 addr)
 
 	wusb_dev->addr = addr;
 	result = wusbhc->dev_info_set(wusbhc, wusb_dev);
-	if (result)
+	if (result < 0)
 		dev_err(wusbhc->dev, "device %d: failed to set device "
 			"address\n", wusb_dev->port_idx);
 	else
-- 
GitLab


From b0a81328c287052cedf28e06d9b4648ad10b72d7 Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:32 +0100
Subject: [PATCH 0182/2224] wusb: fix bmRequestType for Abort RPipe request

WUSB 1.0 (Table 8-4) mentions that Abort RPipe requests must have bmRequestType
equal to 0x25, although current implementation sets bmRequestType to 0xa5. This
patch fixes this typo.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/wa-rpipe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c
index bfe3752e7c9..f18e4aae66e 100644
--- a/drivers/usb/wusbcore/wa-rpipe.c
+++ b/drivers/usb/wusbcore/wa-rpipe.c
@@ -548,7 +548,7 @@ void rpipe_ep_disable(struct wahc *wa, struct usb_host_endpoint *ep)
 		result = usb_control_msg(
 			wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0),
 			USB_REQ_RPIPE_ABORT,
-			USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_RPIPE,
+			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_RPIPE,
 			0, index, NULL, 0, 1000 /* FIXME: arbitrary */);
 		if (result < 0 && result != -ENODEV /* dev is gone */)
 			d_printf(1, dev, "(wa %p rpipe %u): abort failed: %d\n",
-- 
GitLab


From 9d839477f85438695bd870898ffa77347e61b637 Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:33 +0100
Subject: [PATCH 0183/2224] uwb: Fix handling IEs with empty IE data in
 uwb_est_get_size()

A DRP notification may sometimes have empty IE data. This patch fixes
uwb_est_get_size() so that this case is handled properly.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/est.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/uwb/est.c b/drivers/uwb/est.c
index 1667afb704d..3791cd95b63 100644
--- a/drivers/uwb/est.c
+++ b/drivers/uwb/est.c
@@ -395,7 +395,7 @@ ssize_t uwb_est_get_size(struct uwb_rc *uwb_rc, struct uwb_est *est,
 		case UWB_EST_8:   type_size = sizeof(u8);     break;
 		default: 	 BUG();
 		}
-		if (offset + type_size >= rceb_size) {
+		if (offset + type_size > rceb_size) {
 			if (printk_ratelimit())
 				dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
 					"not enough data to read extra size\n",
-- 
GitLab


From 9d53b1bebe23a6efe4f0a0ff75df2424e013fe07 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:34 +0100
Subject: [PATCH 0184/2224] uwb: initialize the debug sub-system

Call uwb_dbg_init() so the debugfs files are accessible.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/driver.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/uwb/driver.c b/drivers/uwb/driver.c
index 7eee8e40830..521cdeb8497 100644
--- a/drivers/uwb/driver.c
+++ b/drivers/uwb/driver.c
@@ -119,6 +119,7 @@ static int __init uwb_subsys_init(void)
 	if (result < 0)
 		goto error_uwb_rc_class_register;
 	uwbd_start();
+	uwb_dbg_init();
 	return 0;
 
 error_uwb_rc_class_register:
@@ -130,6 +131,7 @@ module_init(uwb_subsys_init);
 
 static void __exit uwb_subsys_exit(void)
 {
+	uwb_dbg_exit();
 	uwbd_stop();
 	class_unregister(&uwb_rc_class);
 	uwb_est_destroy();
-- 
GitLab


From e477a4982ff4e94d7de0bc522817b152f52e6bf9 Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:35 +0100
Subject: [PATCH 0185/2224] uwb: disable command/event filtering for D-Link
 DUB-1210

The D-Link DUB-1210 HWA uses commands and events from the WHCI specification,
although reporting itself as WUSB compliant. Therefore, we disable WUSB
command/event filtering for it.

USB_DEVICE_AND_INTERFACE_INFO is used for matching only the RC interface.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/hwa-rc.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index f822a1872e4..9b7e23d9482 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -62,6 +62,9 @@
 #define D_LOCAL 1
 #include <linux/uwb/debug.h>
 
+/* The device uses commands and events from the WHCI specification, although
+ * reporting itself as WUSB compliant. */
+#define WUSB_QUIRK_WHCI_CMD_EVT		0x01
 
 /**
  * Descriptor for an instance of the UWB Radio Control Driver that
@@ -835,8 +838,13 @@ static int hwarc_probe(struct usb_interface *iface,
 	uwb_rc->stop  = hwarc_neep_release;
 	uwb_rc->cmd   = hwarc_cmd;
 	uwb_rc->reset = hwarc_reset;
-	uwb_rc->filter_cmd   = hwarc_filter_cmd;
-	uwb_rc->filter_event = hwarc_filter_event;
+	if (id->driver_info & WUSB_QUIRK_WHCI_CMD_EVT) {
+		uwb_rc->filter_cmd   = NULL;
+		uwb_rc->filter_event = NULL;
+	} else {
+		uwb_rc->filter_cmd   = hwarc_filter_cmd;
+		uwb_rc->filter_event = hwarc_filter_event;
+	}
 
 	result = uwb_rc_add(uwb_rc, dev, hwarc);
 	if (result < 0)
@@ -876,6 +884,10 @@ static void hwarc_disconnect(struct usb_interface *iface)
 
 /** USB device ID's that we handle */
 static struct usb_device_id hwarc_id_table[] = {
+	/* D-Link DUB-1210 */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3d02, 0xe0, 0x01, 0x02),
+	  .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
+	/* Generic match for the Radio Control interface */
 	{ USB_INTERFACE_INFO(0xe0, 0x01, 0x02), },
 	{ },
 };
-- 
GitLab


From fa21183326882a886ecf74cfebcfb479d56e8469 Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:36 +0100
Subject: [PATCH 0186/2224] uwb: add Intel i1480 HWA to the UWB RC quirk table

The Intel i1480 HWA uses WHCI commands/events even though reporting itself as
WUSB compliant. This patch fixes this by marking it with the
WUSB_QUIRK_WHCI_CMD_EVT flag, which disables WUSB command/event filtering.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/hwa-rc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index 9b7e23d9482..3d26fa0f8ae 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -887,6 +887,9 @@ static struct usb_device_id hwarc_id_table[] = {
 	/* D-Link DUB-1210 */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3d02, 0xe0, 0x01, 0x02),
 	  .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
+	/* Intel i1480 (using firmware 1.3PA2-20070828) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x8086, 0x0c3b, 0xe0, 0x01, 0x02),
+	  .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
 	/* Generic match for the Radio Control interface */
 	{ USB_INTERFACE_INFO(0xe0, 0x01, 0x02), },
 	{ },
-- 
GitLab


From 8c7e8cb85557cc500122f3e489936582b7d11a7c Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:37 +0100
Subject: [PATCH 0187/2224] uwb: i1480: remove MAC/PHY information checking
 function

Some hardware/firmware combinations (most notably an IOGear HWA using the i1480
firmware) kill the host controller after issuing a GET_MAC_PHY_INFO command.
Removing this check seems harmless otherwise.

The patch fixes the issue where the HC is killed, showing the message:

ehci_hcd 0000:00:1d.7: HC died; cleaning up

After this error, USB comes back only after reloading the ehci_hcd module.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/i1480/dfu/dfu.c       | 102 ++----------------------------
 drivers/uwb/i1480/dfu/i1480-dfu.h |   3 -
 2 files changed, 4 insertions(+), 101 deletions(-)

diff --git a/drivers/uwb/i1480/dfu/dfu.c b/drivers/uwb/i1480/dfu/dfu.c
index ebffaf54215..aec4146757d 100644
--- a/drivers/uwb/i1480/dfu/dfu.c
+++ b/drivers/uwb/i1480/dfu/dfu.c
@@ -127,98 +127,6 @@ error:
 EXPORT_SYMBOL_GPL(i1480_cmd);
 
 
-/**
- * Get information about the MAC and PHY
- *
- * @wa:      Wired adaptor
- * @neh:     Notification/event handler
- * @reply:   Pointer to the reply event buffer
- * @returns: 0 if ok, < 0 errno code on error.
- */
-static
-int i1480_cmd_get_mac_phy_info(struct i1480 *i1480)
-{
-	int result;
-	struct uwb_rccb *cmd = i1480->cmd_buf;
-	struct i1480_evt_confirm_GMPI *reply = i1480->evt_buf;
-
-	cmd->bCommandType = i1480_CET_VS1;
-	cmd->wCommand = cpu_to_le16(i1480_CMD_GET_MAC_PHY_INFO);
-	reply->rceb.bEventType = i1480_CET_VS1;
-	reply->rceb.wEvent = i1480_EVT_GET_MAC_PHY_INFO;
-	result = i1480_cmd(i1480, "GET_MAC_PHY_INFO", sizeof(*cmd),
-			   sizeof(*reply));
-	if (result < 0)
-		goto out;
-	if (le16_to_cpu(reply->status) != 0x00) {
-		dev_err(i1480->dev,
-			"GET_MAC_PHY_INFO: command execution failed: %d\n",
-			reply->status);
-		result = -EIO;
-	}
-out:
-	return result;
-}
-
-
-/**
- * Get i1480's info and print it
- *
- * @wa:      Wire Adapter
- * @neh:     Notification/event handler
- * @returns: 0 if ok, < 0 errno code on error.
- */
-static
-int i1480_check_info(struct i1480 *i1480)
-{
-	struct i1480_evt_confirm_GMPI *reply = i1480->evt_buf;
-	int result;
-	unsigned mac_fw_rev;
-#if i1480_FW <= 0x00000302
-	unsigned phy_fw_rev;
-#endif
-	if (i1480->quirk_no_check_info) {
-		dev_err(i1480->dev, "firmware info check disabled\n");
-		return 0;
-	}
-
-	result = i1480_cmd_get_mac_phy_info(i1480);
-	if (result < 0) {
-		dev_err(i1480->dev, "Cannot get MAC & PHY information: %d\n",
-			result);
-		goto out;
-	}
-	mac_fw_rev = le16_to_cpu(reply->mac_fw_rev);
-#if i1480_FW > 0x00000302
-	dev_info(i1480->dev,
-		 "HW v%02hx  "
-		 "MAC FW v%02hx.%02hx caps %04hx  "
-		 "PHY type %02hx v%02hx caps %02hx %02hx %02hx\n",
-		 reply->hw_rev, mac_fw_rev >> 8, mac_fw_rev & 0xff,
-		 le16_to_cpu(reply->mac_caps),
-		 reply->phy_vendor, reply->phy_rev,
-		 reply->phy_caps[0], reply->phy_caps[1], reply->phy_caps[2]);
-#else
-	phy_fw_rev = le16_to_cpu(reply->phy_fw_rev);
-	dev_info(i1480->dev, "MAC FW v%02hx.%02hx caps %04hx "
-		 " PHY FW v%02hx.%02hx caps %04hx\n",
-		 mac_fw_rev >> 8, mac_fw_rev & 0xff,
-		 le16_to_cpu(reply->mac_caps),
-		 phy_fw_rev >> 8, phy_fw_rev & 0xff,
-		 le16_to_cpu(reply->phy_caps));
-#endif
-	dev_dbg(i1480->dev,
-		"key-stores:%hu mcast-addr-stores:%hu sec-modes:%hu\n",
-		(unsigned short) reply->key_stores,
-		le16_to_cpu(reply->mcast_addr_stores),
-		(unsigned short) reply->sec_mode_supported);
-	/* FIXME: complain if fw version too low -- pending for
-	 * numbering to stabilize */
-out:
-	return result;
-}
-
-
 static
 int i1480_print_state(struct i1480 *i1480)
 {
@@ -264,12 +172,10 @@ int i1480_fw_upload(struct i1480 *i1480)
 		i1480_print_state(i1480);
 		goto error_rc_release;
 	}
-	result = i1480_check_info(i1480);
-	if (result < 0) {
-		dev_warn(i1480->dev, "Warning! Cannot check firmware info: %d\n",
-			 result);
-		result = 0;
-	}
+	/*
+	 * FIXME: find some reliable way to check whether firmware is running
+	 * properly. Maybe use some standard request that has no side effects?
+	 */
 	dev_info(i1480->dev, "firmware uploaded successfully\n");
 error_rc_release:
 	if (i1480->rc_release)
diff --git a/drivers/uwb/i1480/dfu/i1480-dfu.h b/drivers/uwb/i1480/dfu/i1480-dfu.h
index 4103b287ac7..8035418de13 100644
--- a/drivers/uwb/i1480/dfu/i1480-dfu.h
+++ b/drivers/uwb/i1480/dfu/i1480-dfu.h
@@ -56,7 +56,6 @@
  *       request_firmware()
  *       i1480_mpi_write()
  *         i1480->cmd()           [i1480_{usb,pci}_cmd()]
- *       i1480_check_info()
  *
  * Once the probe function enumerates the device and uploads the
  * firmware, we just exit with -ENODEV, as we don't really want to
@@ -130,8 +129,6 @@ struct i1480 {
 	void *evt_buf, *cmd_buf;
 	ssize_t evt_result;
 	struct completion evt_complete;
-
-	u8 quirk_no_check_info:1;
 };
 
 static inline
-- 
GitLab


From b5784f10d559b3c7b25874b21702ad0907b6fcb7 Mon Sep 17 00:00:00 2001
From: Anderson Lizardo <anderson.lizardo@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:38 +0100
Subject: [PATCH 0188/2224] uwb: i1480/GUWA100U: fix firmware download issues

IOGear firmware versions >= 1.4.12224 fail to be downloaded because of a
spurious (and harmless) RCEB received after the download notification. This
patch handles this RCEB and keeps compatibility with future versions that might
not emit this RCEB.

i1480_rceb_check() is reused to check for the RCEB. It is also refactored with
improved comments and reused in another place in mac.c where the checking was
being duplicated.

This patch was tested on both i1480 and GUWA100U HWAs, with all firmware
versions currently available.

Signed-off-by: Anderson Lizardo <anderson.lizardo@indt.org.br>
---
 drivers/uwb/i1480/dfu/dfu.c       | 54 ++++++++++++++++++++++++-------
 drivers/uwb/i1480/dfu/i1480-dfu.h |  2 +-
 drivers/uwb/i1480/dfu/mac.c       |  4 +--
 3 files changed, 45 insertions(+), 15 deletions(-)

diff --git a/drivers/uwb/i1480/dfu/dfu.c b/drivers/uwb/i1480/dfu/dfu.c
index aec4146757d..9097b3b3038 100644
--- a/drivers/uwb/i1480/dfu/dfu.c
+++ b/drivers/uwb/i1480/dfu/dfu.c
@@ -37,29 +37,45 @@
 #define D_LOCAL 0
 #include <linux/uwb/debug.h>
 
-/** @return 0 if If @evt is a valid reply event; otherwise complain */
+/**
+ * i1480_rceb_check - Check RCEB for expected field values
+ * @i1480: pointer to device for which RCEB is being checked
+ * @rceb: RCEB being checked
+ * @cmd: which command the RCEB is related to
+ * @context: expected context
+ * @expected_type: expected event type
+ * @expected_event: expected event
+ *
+ * If @cmd is NULL, do not print error messages, but still return an error
+ * code.
+ *
+ * Return 0 if @rceb matches the expected values, -EINVAL otherwise.
+ */
 int i1480_rceb_check(const struct i1480 *i1480, const struct uwb_rceb *rceb,
-		     const char *cmd, u8 context,
-		     unsigned expected_type, unsigned expected_event)
+		     const char *cmd, u8 context, u8 expected_type,
+		     unsigned expected_event)
 {
 	int result = 0;
 	struct device *dev = i1480->dev;
 	if (rceb->bEventContext != context) {
-		dev_err(dev, "%s: "
-			"unexpected context id 0x%02x (expected 0x%02x)\n",
-			cmd, rceb->bEventContext, context);
+		if (cmd)
+			dev_err(dev, "%s: unexpected context id 0x%02x "
+				"(expected 0x%02x)\n", cmd,
+				rceb->bEventContext, context);
 		result = -EINVAL;
 	}
 	if (rceb->bEventType != expected_type) {
-		dev_err(dev, "%s: "
-			"unexpected event type 0x%02x (expected 0x%02x)\n",
-			cmd, rceb->bEventType, expected_type);
+		if (cmd)
+			dev_err(dev, "%s: unexpected event type 0x%02x "
+				"(expected 0x%02x)\n", cmd,
+				rceb->bEventType, expected_type);
 		result = -EINVAL;
 	}
 	if (le16_to_cpu(rceb->wEvent) != expected_event) {
-		dev_err(dev, "%s: "
-			"unexpected event 0x%04x (expected 0x%04x)\n",
-			cmd, le16_to_cpu(rceb->wEvent), expected_event);
+		if (cmd)
+			dev_err(dev, "%s: unexpected event 0x%04x "
+				"(expected 0x%04x)\n", cmd,
+				le16_to_cpu(rceb->wEvent), expected_event);
 		result = -EINVAL;
 	}
 	return result;
@@ -110,6 +126,20 @@ ssize_t i1480_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size,
 			cmd_name, result);
 		goto error;
 	}
+	/*
+	 * Firmware versions >= 1.4.12224 for IOGear GUWA100U generate a
+	 * spurious notification after firmware is downloaded. So check whether
+	 * the receibed RCEB is such notification before assuming that the
+	 * command has failed.
+	 */
+	if (i1480_rceb_check(i1480, i1480->evt_buf, NULL,
+			     0, 0xfd, 0x0022) == 0) {
+		/* Now wait for the actual RCEB for this command. */
+		result = i1480->wait_init_done(i1480);
+		if (result < 0)
+			goto error;
+		result = i1480->evt_result;
+	}
 	if (result != reply_size) {
 		dev_err(i1480->dev, "%s returned only %zu bytes, %zu expected\n",
 			cmd_name, result, reply_size);
diff --git a/drivers/uwb/i1480/dfu/i1480-dfu.h b/drivers/uwb/i1480/dfu/i1480-dfu.h
index 8035418de13..46f45e800f3 100644
--- a/drivers/uwb/i1480/dfu/i1480-dfu.h
+++ b/drivers/uwb/i1480/dfu/i1480-dfu.h
@@ -145,7 +145,7 @@ extern int i1480_phy_fw_upload(struct i1480 *);
 extern ssize_t i1480_cmd(struct i1480 *, const char *, size_t, size_t);
 extern int i1480_rceb_check(const struct i1480 *,
 			    const struct uwb_rceb *, const char *, u8,
-			    unsigned, unsigned);
+			    u8, unsigned);
 
 enum {
 	/* Vendor specific command type */
diff --git a/drivers/uwb/i1480/dfu/mac.c b/drivers/uwb/i1480/dfu/mac.c
index 3d445541e8e..8d069907a3b 100644
--- a/drivers/uwb/i1480/dfu/mac.c
+++ b/drivers/uwb/i1480/dfu/mac.c
@@ -507,8 +507,8 @@ int i1480_mac_fw_upload(struct i1480 *i1480)
 		goto error_size;
 	}
 	result = -EIO;
-	if (rcebe->rceb.bEventType != i1480_CET_VS1
-	    || le16_to_cpu(rcebe->rceb.wEvent) != i1480_EVT_RM_INIT_DONE) {
+	if (i1480_rceb_check(i1480, &rcebe->rceb, NULL, 0, i1480_CET_VS1,
+			     i1480_EVT_RM_INIT_DONE) < 0) {
 		dev_err(i1480->dev, "wrong initialization event 0x%02x/%04x/%02x "
 			"received; expected 0x%02x/%04x/00\n",
 			rcebe->rceb.bEventType, le16_to_cpu(rcebe->rceb.wEvent),
-- 
GitLab


From b63795fa3a41151040b86119750a7df508d40cda Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:39 +0100
Subject: [PATCH 0189/2224] uwb: dont tranmit identification IEs

The current identification IE doesn't include any useful information
(the vendor ID is from the EUI-48) and it causes problems with certain
hardware/firmware so don't transmit one.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/ie.c           | 29 -----------------------------
 drivers/uwb/lc-rc.c        |  6 ------
 drivers/uwb/uwb-internal.h |  1 -
 3 files changed, 36 deletions(-)

diff --git a/drivers/uwb/ie.c b/drivers/uwb/ie.c
index d54fe09a986..cf6f3d152b9 100644
--- a/drivers/uwb/ie.c
+++ b/drivers/uwb/ie.c
@@ -539,32 +539,3 @@ int uwb_rc_ie_rm(struct uwb_rc *uwb_rc, enum uwb_ie element_id)
 	return result;
 }
 EXPORT_SYMBOL_GPL(uwb_rc_ie_rm);
-
-
-/**
- * Create and set new Identification IE
- *
- * Currently only sets the Vendor ID. The Vendor ID is set from the OUI,
- * which is obtained from the first three bytes from the MAC address.
- */
-int uwb_rc_set_identification_ie(struct uwb_rc *uwb_rc)
-{
-	struct {
-		struct uwb_identification_ie id_ie;
-		struct uwb_dev_info dev_info;
-		struct uwb_vendor_id vendor_id;
-	} ie_data;
-
-	ie_data.id_ie.hdr.element_id = UWB_IDENTIFICATION_IE;
-	ie_data.id_ie.hdr.length = sizeof(struct uwb_dev_info) +
-				   sizeof(struct uwb_vendor_id);
-
-	ie_data.dev_info.type = UWB_DEV_INFO_VENDOR_ID;
-	ie_data.dev_info.length = sizeof(struct uwb_vendor_id);
-
-	ie_data.vendor_id.data[0] = uwb_rc->uwb_dev.mac_addr.data[0];
-	ie_data.vendor_id.data[1] = uwb_rc->uwb_dev.mac_addr.data[1];
-	ie_data.vendor_id.data[2] = uwb_rc->uwb_dev.mac_addr.data[2];
-
-	return uwb_rc_ie_add(uwb_rc, &ie_data.id_ie.hdr, sizeof(ie_data));
-}
diff --git a/drivers/uwb/lc-rc.c b/drivers/uwb/lc-rc.c
index a21c96bff23..ee5772f00d4 100644
--- a/drivers/uwb/lc-rc.c
+++ b/drivers/uwb/lc-rc.c
@@ -211,12 +211,6 @@ static int uwb_rc_setup(struct uwb_rc *rc)
 		dev_err(dev, "cannot setup IE subsystem: %d\n", result);
 		goto error_ie_setup;
 	}
-	result = uwb_rc_set_identification_ie(rc);
-	if (result < 0) {
-		dev_err(dev, "cannot set Identification IE: %d\n",
-			result);
-		goto error_set_id_ie;
-	}
 	result = uwb_rsv_setup(rc);
 	if (result < 0) {
 		dev_err(dev, "cannot setup reservation subsystem: %d\n", result);
diff --git a/drivers/uwb/uwb-internal.h b/drivers/uwb/uwb-internal.h
index 4f525a88985..2ad307d1296 100644
--- a/drivers/uwb/uwb-internal.h
+++ b/drivers/uwb/uwb-internal.h
@@ -74,7 +74,6 @@ extern void uwb_rc_ie_release(struct uwb_rc *);
 extern int uwb_rc_ie_add(struct uwb_rc *,
 			 const struct uwb_ie_hdr *, size_t);
 extern int uwb_rc_ie_rm(struct uwb_rc *, enum uwb_ie);
-extern int uwb_rc_set_identification_ie(struct uwb_rc *);
 
 extern const char *uwb_rc_strerror(unsigned code);
 
-- 
GitLab


From b60066c141997ac2e4ef08459b75638ae86ae781 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:40 +0100
Subject: [PATCH 0190/2224] uwb: add symlinks in sysfs between radio
 controllers and PALs

Add a facility for PALs to have symlinks to their radio controller
(and vice-versa) and make WUSB host controllers use this.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/pal.c    |  3 +++
 drivers/usb/wusbcore/wusbhc.c | 16 +++++++++-------
 drivers/uwb/pal.c             | 20 ++++++++++++++++++++
 include/linux/uwb.h           |  6 +++++-
 4 files changed, 37 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/wusbcore/pal.c b/drivers/usb/wusbcore/pal.c
index cc126b44473..7cc51e9905c 100644
--- a/drivers/usb/wusbcore/pal.c
+++ b/drivers/usb/wusbcore/pal.c
@@ -26,6 +26,9 @@ int wusbhc_pal_register(struct wusbhc *wusbhc)
 {
 	uwb_pal_init(&wusbhc->pal);
 
+	wusbhc->pal.name   = "wusbhc";
+	wusbhc->pal.device = wusbhc->usb_hcd.self.controller;
+
 	return uwb_pal_register(wusbhc->uwb_rc, &wusbhc->pal);
 }
 
diff --git a/drivers/usb/wusbcore/wusbhc.c b/drivers/usb/wusbcore/wusbhc.c
index 1149b1e59c8..07c63a31c79 100644
--- a/drivers/usb/wusbcore/wusbhc.c
+++ b/drivers/usb/wusbcore/wusbhc.c
@@ -192,13 +192,8 @@ int wusbhc_create(struct wusbhc *wusbhc)
 	result = wusbhc_sec_create(wusbhc);
 	if (result < 0)
 		goto error_sec_create;
-	result = wusbhc_pal_register(wusbhc);
-	if (result < 0)
-		goto error_pal_register;
 	return 0;
 
-error_pal_register:
-	wusbhc_sec_destroy(wusbhc);
 error_sec_create:
 	wusbhc_rh_destroy(wusbhc);
 error_rh_create:
@@ -235,7 +230,14 @@ int wusbhc_b_create(struct wusbhc *wusbhc)
 		dev_err(dev, "Cannot register WUSBHC attributes: %d\n", result);
 		goto error_create_attr_group;
 	}
-	/* Yep, I plan to add stuff here... */
+
+	result = wusbhc_pal_register(wusbhc);
+	if (result < 0)
+		goto error_pal_register;
+	return 0;
+
+error_pal_register:
+	sysfs_remove_group(wusbhc_kobj(wusbhc), &wusbhc_attr_group);
 error_create_attr_group:
 	return result;
 }
@@ -243,13 +245,13 @@ EXPORT_SYMBOL_GPL(wusbhc_b_create);
 
 void wusbhc_b_destroy(struct wusbhc *wusbhc)
 {
+	wusbhc_pal_unregister(wusbhc);
 	sysfs_remove_group(wusbhc_kobj(wusbhc), &wusbhc_attr_group);
 }
 EXPORT_SYMBOL_GPL(wusbhc_b_destroy);
 
 void wusbhc_destroy(struct wusbhc *wusbhc)
 {
-	wusbhc_pal_unregister(wusbhc);
 	wusbhc_sec_destroy(wusbhc);
 	wusbhc_rh_destroy(wusbhc);
 	wusbhc_devconnect_destroy(wusbhc);
diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c
index 5508993a820..1afb38eacb9 100644
--- a/drivers/uwb/pal.c
+++ b/drivers/uwb/pal.c
@@ -39,6 +39,21 @@ EXPORT_SYMBOL_GPL(uwb_pal_init);
  */
 int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal)
 {
+	int ret;
+
+	if (pal->device) {
+		ret = sysfs_create_link(&pal->device->kobj,
+					&rc->uwb_dev.dev.kobj, "uwb_rc");
+		if (ret < 0)
+			return ret;
+		ret = sysfs_create_link(&rc->uwb_dev.dev.kobj,
+					&pal->device->kobj, pal->name);
+		if (ret < 0) {
+			sysfs_remove_link(&pal->device->kobj, "uwb_rc");
+			return ret;
+		}
+	}
+
 	spin_lock(&rc->pal_lock);
 	list_add(&pal->node, &rc->pals);
 	spin_unlock(&rc->pal_lock);
@@ -57,6 +72,11 @@ void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal)
 	spin_lock(&rc->pal_lock);
 	list_del(&pal->node);
 	spin_unlock(&rc->pal_lock);
+
+	if (pal->device) {
+		sysfs_remove_link(&rc->uwb_dev.dev.kobj, pal->name);
+		sysfs_remove_link(&pal->device->kobj, "uwb_rc");
+	}
 }
 EXPORT_SYMBOL_GPL(uwb_pal_unregister);
 
diff --git a/include/linux/uwb.h b/include/linux/uwb.h
index 0cd35937e12..f9ccbd9a2ce 100644
--- a/include/linux/uwb.h
+++ b/include/linux/uwb.h
@@ -361,6 +361,9 @@ struct uwb_rc {
 
 /**
  * struct uwb_pal - a UWB PAL
+ * @name:    descriptive name for this PAL (wushc, wlp, etc.).
+ * @device:  a device for the PAL.  Used to link the PAL and the radio
+ *           controller in sysfs.
  * @new_rsv: called when a peer requests a reservation (may be NULL if
  *           the PAL cannot accept reservation requests).
  *
@@ -379,7 +382,8 @@ struct uwb_rc {
  */
 struct uwb_pal {
 	struct list_head node;
-
+	const char *name;
+	struct device *device;
 	void (*new_rsv)(struct uwb_rsv *rsv);
 };
 
-- 
GitLab


From c8cf2465fcfc16877f4f9e8dccc6b89b543fa2c5 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:41 +0100
Subject: [PATCH 0191/2224] uwb: document UWB and WUSB sysfs files

Add some brief documentation on the UWB and WUSB related sysfs files.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 Documentation/ABI/testing/sysfs-bus-umc       |  28 ++++
 Documentation/ABI/testing/sysfs-bus-usb       |  43 ++++++
 .../ABI/testing/sysfs-class-usb_host          |  25 +++
 Documentation/ABI/testing/sysfs-class-uwb_rc  | 144 ++++++++++++++++++
 Documentation/ABI/testing/sysfs-wusb_cbaf     | 100 ++++++++++++
 5 files changed, 340 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-umc
 create mode 100644 Documentation/ABI/testing/sysfs-class-usb_host
 create mode 100644 Documentation/ABI/testing/sysfs-class-uwb_rc
 create mode 100644 Documentation/ABI/testing/sysfs-wusb_cbaf

diff --git a/Documentation/ABI/testing/sysfs-bus-umc b/Documentation/ABI/testing/sysfs-bus-umc
new file mode 100644
index 00000000000..948fec41244
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-umc
@@ -0,0 +1,28 @@
+What:           /sys/bus/umc/
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                The Wireless Host Controller Interface (WHCI)
+                specification describes a PCI-based device with
+                multiple capabilities; the UWB Multi-interface
+                Controller (UMC).
+
+                The umc bus presents each of the individual
+                capabilties as a device.
+
+What:           /sys/bus/umc/devices/.../capability_id
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                The ID of this capability, with 0 being the radio
+                controller capability.
+
+What:           /sys/bus/umc/devices/.../version
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                The specification version this capability's hardware
+                interface complies with.
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index 11a3c1682ce..273a7f099f4 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -85,3 +85,46 @@ Description:
 Users:
 		PowerTOP <power@bughost.org>
 		http://www.lesswatts.org/projects/powertop/
+
+What:		/sys/bus/usb/device/.../authorized
+Date:		July 2008
+KernelVersion:	2.6.26
+Contact:	David Vrabel <david.vrabel@csr.com>
+Description:
+		Authorized devices are available for use by device
+		drivers, non-authorized one are not.  By default, wired
+		USB devices are authorized.
+
+		Certified Wireless USB devices are not authorized
+		initially and should be (by writing 1) after the
+		device has been authenticated.
+
+What:		/sys/bus/usb/device/.../wusb_cdid
+Date:		July 2008
+KernelVersion:	2.6.27
+Contact:	David Vrabel <david.vrabel@csr.com>
+Description:
+		For Certified Wireless USB devices only.
+
+		A devices's CDID, as 16 space-separated hex octets.
+
+What:		/sys/bus/usb/device/.../wusb_ck
+Date:		July 2008
+KernelVersion:	2.6.27
+Contact:	David Vrabel <david.vrabel@csr.com>
+Description:
+		For Certified Wireless USB devices only.
+
+		Write the device's connection key (CK) to start the
+		authentication of the device.  The CK is 16
+		space-separated hex octets.
+
+What:		/sys/bus/usb/device/.../wusb_disconnect
+Date:		July 2008
+KernelVersion:	2.6.27
+Contact:	David Vrabel <david.vrabel@csr.com>
+Description:
+		For Certified Wireless USB devices only.
+
+		Write a 1 to force the device to disconnect
+		(equivalent to unplugging a wired USB device).
diff --git a/Documentation/ABI/testing/sysfs-class-usb_host b/Documentation/ABI/testing/sysfs-class-usb_host
new file mode 100644
index 00000000000..46b66ad1f1b
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-usb_host
@@ -0,0 +1,25 @@
+What:           /sys/class/usb_host/usb_hostN/wusb_chid
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                Write the CHID (16 space-separated hex octets) for this host controller.
+                This starts the host controller, allowing it to accept connection from
+                WUSB devices.
+
+                Set an all zero CHID to stop the host controller.
+
+What:           /sys/class/usb_host/usb_hostN/wusb_trust_timeout
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                Devices that haven't sent a WUSB packet to the host
+                within 'wusb_trust_timeout' ms are considered to have
+                disconnected and are removed.  The default value of
+                4000 ms is the value required by the WUSB
+                specification.
+
+                Since this relates to security (specifically, the
+                lifetime of PTKs and GTKs) it should not be changed
+                from the default.
diff --git a/Documentation/ABI/testing/sysfs-class-uwb_rc b/Documentation/ABI/testing/sysfs-class-uwb_rc
new file mode 100644
index 00000000000..a0d18dbeb7a
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-uwb_rc
@@ -0,0 +1,144 @@
+What:           /sys/class/uwb_rc
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                Interfaces for WiMedia Ultra Wideband Common Radio
+                Platform (UWB) radio controllers.
+
+                Familiarity with the ECMA-368 'High Rate Ultra
+                Wideband MAC and PHY Specification' is assumed.
+
+What:           /sys/class/uwb_rc/beacon_timeout_ms
+Date:           July 2008
+KernelVersion:  2.6.27
+Description:
+                If no beacons are received from a device for at least
+                this time, the device will be considered to have gone
+                and it will be removed.  The default is 3 superframes
+                (~197 ms) as required by the specification.
+
+What:           /sys/class/uwb_rc/uwbN/
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                An individual UWB radio controller.
+
+What:           /sys/class/uwb_rc/uwbN/beacon
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                Write:
+
+                <channel> [<bpst offset>]
+
+                to start beaconing on a specific channel, or stop
+                beaconing if <channel> is -1.  Valid channels depends
+                on the radio controller's supported band groups.
+
+                <bpst offset> may be used to try and join a specific
+                beacon group if more than one was found during a scan.
+
+What:           /sys/class/uwb_rc/uwbN/scan
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                Write:
+
+                <channel> <type> [<bpst offset>]
+
+                to start (or stop) scanning on a channel.  <type> is one of:
+                    0 - scan
+                    1 - scan outside BP
+                    2 - scan while inactive
+                    3 - scanning disabled
+                    4 - scan (with start time of <bpst offset>)
+
+What:           /sys/class/uwb_rc/uwbN/mac_address
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                The EUI-48, in colon-separated hex octets, for this
+                radio controller.  A write will change the radio
+                controller's EUI-48 but only do so while the device is
+                not beaconing or scanning.
+
+What:           /sys/class/uwb_rc/uwbN/wusbhc
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                A symlink to the device (if any) of the WUSB Host
+                Controller PAL using this radio controller.
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                A neighbour UWB device that has either been detected
+                as part of a scan or is a member of the radio
+                controllers beacon group.
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/BPST
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                The time (using the radio controllers internal 1 ms
+                interval superframe timer) of the last beacon from
+                this device was received.
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/DevAddr
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                The current DevAddr of this device in colon separated
+                hex octets.
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/EUI_48
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+
+                The EUI-48 of this device in colon separated hex
+                octets.
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/BPST
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/IEs
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                The latest IEs included in this device's beacon, in
+                space separated hex octets with one IE per line.
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/LQE
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                Link Quality Estimate - the Signal to Noise Ratio
+                (SNR) of all packets received from this device in dB.
+                This gives an estimate on a suitable PHY rate. Refer
+                to [ECMA-368] section 13.3 for more details.
+
+What:           /sys/class/uwb_rc/uwbN/<EUI-48>/RSSI
+Date:           July 2008
+KernelVersion:  2.6.27
+Contact:        linux-usb@vger.kernel.org
+Description:
+                Received Signal Strength Indication - the strength of
+                the received signal in dB.  LQE is a more useful
+                measure of the radio link quality.
diff --git a/Documentation/ABI/testing/sysfs-wusb_cbaf b/Documentation/ABI/testing/sysfs-wusb_cbaf
new file mode 100644
index 00000000000..a99c5f86a37
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-wusb_cbaf
@@ -0,0 +1,100 @@
+What:           /sys/bus/usb/drivers/wusb_cbaf/.../wusb_*
+Date:           August 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                Various files for managing Cable Based Association of
+                (wireless) USB devices.
+
+                The sequence of operations should be:
+
+                1. Device is plugged in.
+
+                2. The connection manager (CM) sees a device with CBA capability.
+                   (the wusb_chid etc. files in /sys/devices/blah/OURDEVICE).
+
+                3. The CM writes the host name, supported band groups,
+                   and the CHID (host ID) into the wusb_host_name,
+                   wusb_host_band_groups and wusb_chid files. These
+                   get sent to the device and the CDID (if any) for
+                   this host is requested.
+
+                4. The CM can verify that the device's supported band
+                   groups (wusb_device_band_groups) are compatible
+                   with the host.
+
+                5. The CM reads the wusb_cdid file.
+
+                6. The CM looks it up its database.
+
+                   - If it has a matching CHID,CDID entry, the device
+                     has been authorized before and nothing further
+                     needs to be done.
+
+                   - If the CDID is zero (or the CM doesn't find a
+                     matching CDID in its database), the device is
+                     assumed to be not known.  The CM may associate
+                     the host with device by: writing a randomly
+                     generated CDID to wusb_cdid and then a random CK
+                     to wusb_ck (this uploads the new CC to the
+                     device).
+
+                     CMD may choose to prompt the user before
+                     associating with a new device.
+
+                7. Device is unplugged.
+
+                References:
+                  [WUSB-AM] Association Models Supplement to the
+                            Certified Wireless Universal Serial Bus
+                            Specification, version 1.0.
+
+What:           /sys/bus/usb/drivers/wusb_cbaf/.../wusb_chid
+Date:           August 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                The CHID of the host formatted as 16 space-separated
+                hex octets.
+
+                Writes fetches device's supported band groups and the
+                the CDID for any existing association with this host.
+
+What:           /sys/bus/usb/drivers/wusb_cbaf/.../wusb_host_name
+Date:           August 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                A friendly name for the host as a UTF-8 encoded string.
+
+What:           /sys/bus/usb/drivers/wusb_cbaf/.../wusb_host_band_groups
+Date:           August 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                The band groups supported by the host, in the format
+                defined in [WUSB-AM].
+
+What:           /sys/bus/usb/drivers/wusb_cbaf/.../wusb_device_band_groups
+Date:           August 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                The band groups supported by the device, in the format
+                defined in [WUSB-AM].
+
+What:           /sys/bus/usb/drivers/wusb_cbaf/.../wusb_cdid
+Date:           August 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                The device's CDID formatted as 16 space-separated hex
+                octets.
+
+What:           /sys/bus/usb/drivers/wusb_cbaf/.../wusb_ck
+Date:           August 2008
+KernelVersion:  2.6.27
+Contact:        David Vrabel <david.vrabel@csr.com>
+Description:
+                Write 16 space-separated random, hex octets to
+                associate with the device.
-- 
GitLab


From f1fa035f2bcb2b03cb90249e05ec2ae6927a7302 Mon Sep 17 00:00:00 2001
From: Felipe Zimmerle <felipe.zimmerle@indt.org.br>
Date: Wed, 17 Sep 2008 16:34:42 +0100
Subject: [PATCH 0192/2224] wusb: wusb-cbaf (CBA driver) sysfs ABI
 simplification

Simplify the sysfs ABI of the wusb-cbaf (Cable Based Association)
driver: use one value per file and cause the write of the CHID to
fetch the CDID (instead of requiring a separate read).

Update the example wusb-cbaf script to work with this revised ABI.

Signed-off-by: Felipe Zimmerle <felipe.zimmerle@indt.org.br>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 Documentation/usb/wusb-cbaf   |  60 ++--
 drivers/usb/wusbcore/Kconfig  |  23 ++
 drivers/usb/wusbcore/Makefile |   8 +-
 drivers/usb/wusbcore/cbaf.c   | 521 +++++++++++++++++++---------------
 4 files changed, 350 insertions(+), 262 deletions(-)

diff --git a/Documentation/usb/wusb-cbaf b/Documentation/usb/wusb-cbaf
index a385478ba12..2e78b70f3ad 100644
--- a/Documentation/usb/wusb-cbaf
+++ b/Documentation/usb/wusb-cbaf
@@ -70,32 +70,42 @@ EOF
 # FIXME: CHID should come from a database :), band group from the host
 host_CHID="00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff"
 host_band_group="0001"
-host_name="Linux-WUSB"
+host_name=$(hostname)
 
 devs="$(echo /sys/bus/usb/drivers/wusb-cbaf/[0-9]*)"
-hdevs="$(find /sys -name wusb_chid -printf "%h\n")"
+hdevs="$(for h in /sys/class/uwb_rc/*/wusbhc; do readlink -f $h; done)"
 
 result=0
 case $1 in
     start)
         for dev in ${2:-$hdevs}
           do
-          uwb_rc=$(find $(dirname $(dirname $dev)) -iname uwb_rc:uwb*)
-          if cat $uwb_rc/uwb_rc/beacon | grep -q "channel: -1"
+          uwb_rc=$(readlink -f $dev/uwb_rc)
+          if cat $uwb_rc/beacon | grep -q -- "-1"
               then
-              echo 13 0 | cat > $uwb_rc/uwb_rc/beacon
-              echo I: started beaconing on ch 13 in host $(basename $uwb_rc)
+              echo 13 0 > $uwb_rc/beacon
+              echo I: started beaconing on ch 13 on $(basename $uwb_rc) >&2
           fi
-          echo $host_CHID | cat > $dev/wusb_chid
-          echo I: started host $(basename $dev)
+          echo $host_CHID > $dev/wusb_chid
+          echo I: started host $(basename $dev) >&2
+        done
+        ;;
+    stop)
+        for dev in ${2:-$hdevs}
+          do
+          echo 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > $dev/wusb_chid
+          echo I: stopped host $(basename $dev) >&2
+          uwb_rc=$(readlink -f $dev/uwb_rc)
+          echo -1 | cat > $uwb_rc/beacon
+          echo I: stopped beaconing on $(basename $uwb_rc) >&2
         done
         ;;
     set-chid)
         shift
-        for dev in ${2:-$devs}
-          do
-          echo "${2:-$host_CHID}" "${3:-$host_band_group}" "${4:-$host_name}" \
-              | cat > $dev/wusb_host_info
+        for dev in ${2:-$devs}; do
+            echo "${4:-$host_name}" > $dev/wusb_host_name
+            echo "${3:-$host_band_group}" > $dev/wusb_host_band_groups
+            echo ${2:-$host_CHID} > $dev/wusb_chid
         done
         ;;
     get-cdid)
@@ -105,21 +115,17 @@ case $1 in
         done
         ;;
     set-cc)
-        for dev in ${2:-$devs}
-          do
-          shift
-          CDID="$(head --bytes=16 /dev/urandom  | od -tx1 -An)"
-          CK="$(head --bytes=16 /dev/urandom  | od -tx1 -An)"
-          cat > $dev/wusb_cc <<EOF
-CDID:$CDID
-CK:$CK
-EOF
-          cat <<EOF
-I: CC set
-CHID: $host_CHID
-CDID:$CDID
-CK:  $CK
-EOF
+        for dev in ${2:-$devs}; do
+            shift
+            CDID="$(head --bytes=16 /dev/urandom  | od -tx1 -An)"
+            CK="$(head --bytes=16 /dev/urandom  | od -tx1 -An)"
+            echo "$CDID" > $dev/wusb_cdid
+            echo "$CK" > $dev/wusb_ck
+
+            echo I: CC set >&2
+            echo "CHID: $(cat $dev/wusb_chid)"
+            echo "CDID:$CDID"
+            echo "CK:  $CK"
         done
         ;;
     help|h|--help|-h)
diff --git a/drivers/usb/wusbcore/Kconfig b/drivers/usb/wusbcore/Kconfig
index add077e5c5d..4ea76693ad4 100644
--- a/drivers/usb/wusbcore/Kconfig
+++ b/drivers/usb/wusbcore/Kconfig
@@ -15,3 +15,26 @@ config USB_WUSB
 
           To compile this support select Y (built in). It is safe to
 	  select even if you don't have the hardware.
+
+config USB_WUSB_CBAF
+	tristate "Support WUSB Cable Based Association (CBA)"
+	depends on USB
+	help
+	  Some WUSB devices support Cable Based Association. It's used to
+	  enable the secure communication between the host and the
+	  device.
+
+	  Enable this option if your WUSB device must to be connected
+	  via wired USB before establishing a wireless link.
+
+	  It is safe to select even if you don't have a compatible
+	  hardware.
+
+config USB_WUSB_CBAF_DEBUG
+	bool "Enable CBA debug messages"
+	depends on USB_WUSB_CBAF
+	help
+	  Say Y here if you want the CBA to produce a bunch of debug messages
+	  to the system log. Select this if you are having a problem with
+	  CBA support and want to see more of what is going on.
+
diff --git a/drivers/usb/wusbcore/Makefile b/drivers/usb/wusbcore/Makefile
index 7a4d0072403..75f1ade6625 100644
--- a/drivers/usb/wusbcore/Makefile
+++ b/drivers/usb/wusbcore/Makefile
@@ -1,5 +1,7 @@
-obj-$(CONFIG_USB_WUSB)		+= wusbcore.o wusb-cbaf.o
+obj-$(CONFIG_USB_WUSB)		+= wusbcore.o
 obj-$(CONFIG_USB_HWA_HCD)	+= wusb-wa.o
+obj-$(CONFIG_USB_WUSB_CBAF)	+= wusb-cbaf.o
+
 
 wusbcore-objs := 	\
 	crypto.o	\
@@ -18,3 +20,7 @@ wusb-wa-objs :=	wa-hc.o		\
 		wa-nep.o	\
 		wa-rpipe.o	\
 		wa-xfer.o
+
+ifeq ($(CONFIG_USB_WUSB_CBAF_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
+endif
diff --git a/drivers/usb/wusbcore/cbaf.c b/drivers/usb/wusbcore/cbaf.c
index 584eabe274b..ab4788d1785 100644
--- a/drivers/usb/wusbcore/cbaf.c
+++ b/drivers/usb/wusbcore/cbaf.c
@@ -4,6 +4,7 @@
  *
  * Copyright (C) 2006 Intel Corporation
  * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version
@@ -20,14 +21,13 @@
  * 02110-1301, USA.
  *
  *
- * WUSB devices have to be paired (authenticated in WUSB lingo) so
+ * WUSB devices have to be paired (associated in WUSB lingo) so
  * that they can connect to the system.
  *
- * One way of pairing is using CBA-Cable Based Authentication, devices
- * that can connect via wired or wireless USB. First time you plug
- * them with a cable, pairing is done between host and device and
- * subsequent times, you can connect wirelessly without having to
- * pair. That's the idea.
+ * One way of pairing is using CBA-Cable Based Association. First
+ * time you plug the device with a cable, association is done between
+ * host and device and subsequent times, you can connect wirelessly
+ * without having to associate again. That's the idea.
  *
  * This driver does nothing Earth shattering. It just provides an
  * interface to chat with the wire-connected device so we can get a
@@ -42,56 +42,49 @@
  *
  * The process goes like this:
  *
- * 1. device plugs, cbaf is loaded, notifications happen
+ * 1. Device plugs, cbaf is loaded, notifications happen.
  *
- * 2. the connection manager sees a device with CBAF capability (the
- *    wusb_{host_info,cdid,cc} files are in /sys/device/blah/OURDEVICE).
+ * 2. The connection manager (CM) sees a device with CBAF capability
+ *    (the wusb_chid etc. files in /sys/devices/blah/OURDEVICE).
  *
- * 3. CM (connection manager) writes the CHID (host ID) and a host
- *    name into the wusb_host_info file. This gets sent to the device.
+ * 3. The CM writes the host name, supported band groups, and the CHID
+ *    (host ID) into the wusb_host_name, wusb_host_band_groups and
+ *    wusb_chid files. These get sent to the device and the CDID (if
+ *    any) for this host is requested.
  *
- * 4. CM cats the wusb_cdid file; this asks the device if it has any
- *    CDID associated to the CHDI we just wrote before. If it does, it
- *    is printed, along with the device 'friendly name' and the band
- *    groups the device supports.
+ * 4. The CM can verify that the device's supported band groups
+ *    (wusb_device_band_groups) are compatible with the host.
  *
- * 5. CM looks up its database
+ * 5. The CM reads the wusb_cdid file.
  *
- * 5.1  If it has a matching CHID,CDID entry, the device has been
- *      authorized before (paired). Now we can optionally ask the user
- *      if he wants to allow the device to connect. Then we generate a
- *      new CDID and CK, send it to the device and update the database
- *      (writing to the wusb_cc file so they are uploaded to the device).
+ * 6. The CM looks up its database
  *
- * 5.2  If the CDID is zero (or we didn't find a matching CDID in our
- *      database), we assume the device is not known. We ask the user
- *      if s/he wants to allow the device to be connected wirelessly
- *      to the system. If nope, nothing else is done (FIXME: maybe
- *      send a zero CDID to clean up our CHID?). If yes, we generate
- *      random CDID and CKs (and write them to the wusb_cc file so
- *      they are uploaded to the device).
+ * 6.1 If it has a matching CHID,CDID entry, the device has been
+ *     authorized before (paired) and nothing further needs to be
+ *     done.
  *
- * 6. device is unplugged
+ * 6.2 If the CDID is zero (or the CM doesn't find a matching CDID in
+ *     its database), the device is assumed to be not known.  The CM
+ *     may associate the host with device by: writing a randomly
+ *     generated CDID to wusb_cdid and then a random CK to wusb_ck
+ *     (this uploads the new CC to the device).
  *
- * When the device tries to connect wirelessly, it will present it's
- * CDID to the WUSB host controller with ID CHID, which will query the
- * database. If found, the host will (with a 4way handshake) challenge
- * the device to demonstrate it has the CK secret key (from our
- * database) without actually exchanging it. Once satisfied, crypto
- * keys are derived from the CK, the device is connected and all
- * communication is crypted.
+ *     CMD may choose to prompt the user before associating with a new
+ *     device.
  *
+ * 7. Device is unplugged.
  *
- * NOTES ABOUT THE IMPLEMENTATION
+ * When the device tries to connect wirelessly, it will present its
+ * CDID to the WUSB host controller.  The CM will query the
+ * database. If the CHID/CDID pair found, it will (with a 4-way
+ * handshake) challenge the device to demonstrate it has the CK secret
+ * key (from our database) without actually exchanging it. Once
+ * satisfied, crypto keys are derived from the CK, the device is
+ * connected and all communication is encrypted.
  *
- * The descriptors sent back and forth use this horrible format from
- * hell on which each field is actually a field ID, field length and
- * then the field itself. How stupid can that get, taking into account
- * the structures are defined by the spec?? oh well.
- *
- *
- * FIXME: we don't provide a way to tell the device the pairing failed
- *        (ie: send a CC_DATA_FAIL). Should add some day.
+ * References:
+ *   [WUSB-AM] Association Models Supplement to the Certified Wireless
+ *             Universal Serial Bus Specification, version 1.0.
  */
 #include <linux/module.h>
 #include <linux/ctype.h>
@@ -105,9 +98,7 @@
 #include <linux/usb/wusb.h>
 #include <linux/usb/association.h>
 
-#undef D_LOCAL
-#define D_LOCAL 6
-#include <linux/uwb/debug.h>
+#define CBA_NAME_LEN 0x40 /* [WUSB-AM] table 4-7 */
 
 /* An instance of a Cable-Based-Association-Framework device */
 struct cbaf {
@@ -116,24 +107,27 @@ struct cbaf {
 	void *buffer;
 	size_t buffer_size;
 
-	struct wusb_ckhdid chid;/* Host Information */
-	char host_name[65];	/* max length:
-					Assoc Models Suplement 1.0[T4-7] */
+	struct wusb_ckhdid chid;
+	char host_name[CBA_NAME_LEN];
 	u16 host_band_groups;
 
-	struct wusb_ckhdid cdid;/* Device Information */
-	char device_name[65];	/* max length:
-					Assoc Models Suplement 1.0[T4-7] */
+	struct wusb_ckhdid cdid;
+	char device_name[CBA_NAME_LEN];
 	u16 device_band_groups;
-	struct wusb_ckhdid ck;	/* Connection Key */
+
+	struct wusb_ckhdid ck;
 };
 
 /*
  * Verify that a CBAF USB-interface has what we need
  *
- * (like we care, we are going to fail the enumeration if not :)
+ * According to [WUSB-AM], CBA devices should provide at least two
+ * interfaces:
+ *  - RETRIEVE_HOST_INFO
+ *  - ASSOCIATE
  *
- * FIXME: ugly function, need to split
+ * If the device doesn't provide these interfaces, we do not know how
+ * to deal with it.
  */
 static int cbaf_check(struct cbaf *cbaf)
 {
@@ -143,8 +137,7 @@ static int cbaf_check(struct cbaf *cbaf)
 	struct wusb_cbaf_assoc_request *assoc_request;
 	size_t assoc_size;
 	void *itr, *top;
-	unsigned ar_index;
-	int ar_rhi_idx = -1, ar_assoc_idx = -1;
+	int ar_rhi = 0, ar_assoc = 0;
 
 	result = usb_control_msg(
 		cbaf->usb_dev, usb_rcvctrlpipe(cbaf->usb_dev, 0),
@@ -153,93 +146,91 @@ static int cbaf_check(struct cbaf *cbaf)
 		0, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
 		cbaf->buffer, cbaf->buffer_size, 1000 /* FIXME: arbitrary */);
 	if (result < 0) {
-		dev_err(dev, "cannot get available association types: %d\n",
+		dev_err(dev, "Cannot get available association types: %d\n",
 			result);
-		goto error_get_assoc_types;
+		return result;
 	}
+
 	assoc_info = cbaf->buffer;
 	if (result < sizeof(*assoc_info)) {
-		dev_err(dev, "not enough data to decode association info "
+		dev_err(dev, "Not enough data to decode association info "
 			"header (%zu vs %zu bytes required)\n",
 			(size_t)result, sizeof(*assoc_info));
-		goto error_bad_header;
+		return result;
 	}
+
 	assoc_size = le16_to_cpu(assoc_info->Length);
 	if (result < assoc_size) {
-		dev_err(dev, "not enough data to decode association info "
+		dev_err(dev, "Not enough data to decode association info "
 			"(%zu vs %zu bytes required)\n",
 			(size_t)assoc_size, sizeof(*assoc_info));
-		goto error_bad_data;
+		return result;
 	}
 	/*
 	 * From now on, we just verify, but won't error out unless we
 	 * don't find the AR_TYPE_WUSB_{RETRIEVE_HOST_INFO,ASSOCIATE}
 	 * types.
 	 */
-	ar_index = 0;
 	itr = cbaf->buffer + sizeof(*assoc_info);
 	top = cbaf->buffer + assoc_size;
-	d_printf(1, dev, "Found %u association requests (%zu bytes)\n",
+	dev_dbg(dev, "Found %u association requests (%zu bytes)\n",
 		 assoc_info->NumAssociationRequests, assoc_size);
+
 	while (itr < top) {
 		u16 ar_type, ar_subtype;
 		u32 ar_size;
 		const char *ar_name;
 
 		assoc_request = itr;
+
 		if (top - itr < sizeof(*assoc_request)) {
-			dev_err(dev, "not enough data to decode associaton "
+			dev_err(dev, "Not enough data to decode associaton "
 				"request (%zu vs %zu bytes needed)\n",
 				top - itr, sizeof(*assoc_request));
 			break;
 		}
+
 		ar_type = le16_to_cpu(assoc_request->AssociationTypeId);
 		ar_subtype = le16_to_cpu(assoc_request->AssociationSubTypeId);
 		ar_size = le32_to_cpu(assoc_request->AssociationTypeInfoSize);
+		ar_name = "unknown";
+
 		switch (ar_type) {
 		case AR_TYPE_WUSB:
-			/* Verify we have what is mandated by AMS1.0 */
+			/* Verify we have what is mandated by [WUSB-AM]. */
 			switch (ar_subtype) {
 			case AR_TYPE_WUSB_RETRIEVE_HOST_INFO:
-				ar_name = "retrieve_host_info";
-				ar_rhi_idx = ar_index;
+				ar_name = "RETRIEVE_HOST_INFO";
+				ar_rhi = 1;
 				break;
 			case AR_TYPE_WUSB_ASSOCIATE:
 				/* send assoc data */
-				ar_name = "associate";
-				ar_assoc_idx = ar_index;
+				ar_name = "ASSOCIATE";
+				ar_assoc = 1;
 				break;
-			default:
-				ar_name = "unknown";
 			};
 			break;
-		default:
-			ar_name = "unknown";
 		};
-		d_printf(1, dev, "association request #%02u: 0x%04x/%04x "
+
+		dev_dbg(dev, "Association request #%02u: 0x%04x/%04x "
 			 "(%zu bytes): %s\n",
 			 assoc_request->AssociationDataIndex, ar_type,
 			 ar_subtype, (size_t)ar_size, ar_name);
 
 		itr += sizeof(*assoc_request);
-		ar_index++;
 	}
-	if (ar_rhi_idx == -1) {
+
+	if (!ar_rhi) {
 		dev_err(dev, "Missing RETRIEVE_HOST_INFO association "
 			"request\n");
-		goto error_bad_reqs;
+		return -EINVAL;
 	}
-	if (ar_assoc_idx == -1) {
+	if (!ar_assoc) {
 		dev_err(dev, "Missing ASSOCIATE association request\n");
-		goto error_bad_reqs;
+		return -EINVAL;
 	}
-	return 0;
 
-error_bad_header:
-error_bad_data:
-error_bad_reqs:
-error_get_assoc_types:
-	return -EINVAL;
+	return 0;
 }
 
 static const struct wusb_cbaf_host_info cbaf_host_info_defaults = {
@@ -256,6 +247,7 @@ static const struct wusb_cbaf_host_info cbaf_host_info_defaults = {
 static int cbaf_send_host_info(struct cbaf *cbaf)
 {
 	struct wusb_cbaf_host_info *hi;
+	size_t name_len;
 	size_t hi_size;
 
 	hi = cbaf->buffer;
@@ -263,11 +255,11 @@ static int cbaf_send_host_info(struct cbaf *cbaf)
 	*hi = cbaf_host_info_defaults;
 	hi->CHID = cbaf->chid;
 	hi->LangID = 0;	/* FIXME: I guess... */
-	strncpy(hi->HostFriendlyName, cbaf->host_name,
-		hi->HostFriendlyName_hdr.len);
-	hi->HostFriendlyName_hdr.len =
-				cpu_to_le16(strlen(hi->HostFriendlyName));
-	hi_size = sizeof(*hi) + strlen(hi->HostFriendlyName);
+	strlcpy(hi->HostFriendlyName, cbaf->host_name, CBA_NAME_LEN);
+	name_len = strlen(cbaf->host_name);
+	hi->HostFriendlyName_hdr.len = cpu_to_le16(name_len);
+	hi_size = sizeof(*hi) + name_len;
+
 	return usb_control_msg(cbaf->usb_dev, usb_sndctrlpipe(cbaf->usb_dev, 0),
 			CBAF_REQ_SET_ASSOCIATION_RESPONSE,
 			USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
@@ -276,8 +268,47 @@ static int cbaf_send_host_info(struct cbaf *cbaf)
 			hi, hi_size, 1000 /* FIXME: arbitrary */);
 }
 
-/* Show current CHID info we have set from user space */
-static ssize_t cbaf_wusb_host_info_show(struct device *dev,
+/*
+ * Get device's information (CDID) associated to CHID
+ *
+ * The device will return it's information (CDID, name, bandgroups)
+ * associated to the CHID we have set before, or 0 CDID and default
+ * name and bandgroup if no CHID set or unknown.
+ */
+static int cbaf_cdid_get(struct cbaf *cbaf)
+{
+	int result;
+	struct device *dev = &cbaf->usb_iface->dev;
+	struct wusb_cbaf_device_info *di;
+	size_t needed;
+
+	di = cbaf->buffer;
+	result = usb_control_msg(
+		cbaf->usb_dev, usb_rcvctrlpipe(cbaf->usb_dev, 0),
+		CBAF_REQ_GET_ASSOCIATION_REQUEST,
+		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+		0x0200, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
+		di, cbaf->buffer_size, 1000 /* FIXME: arbitrary */);
+	if (result < 0) {
+		dev_err(dev, "Cannot request device information: %d\n", result);
+		return result;
+	}
+
+	needed = result < sizeof(*di) ? sizeof(*di) : le32_to_cpu(di->Length);
+	if (result < needed) {
+		dev_err(dev, "Not enough data in DEVICE_INFO reply (%zu vs "
+			"%zu bytes needed)\n", (size_t)result, needed);
+		return result;
+	}
+
+	strlcpy(cbaf->device_name, di->DeviceFriendlyName, CBA_NAME_LEN);
+	cbaf->cdid = di->CDID;
+	cbaf->device_band_groups = le16_to_cpu(di->BandGroups);
+
+	return 0;
+}
+
+static ssize_t cbaf_wusb_chid_show(struct device *dev,
 					struct device_attribute *attr,
 					char *buf)
 {
@@ -286,17 +317,10 @@ static ssize_t cbaf_wusb_host_info_show(struct device *dev,
 	char pr_chid[WUSB_CKHDID_STRSIZE];
 
 	ckhdid_printf(pr_chid, sizeof(pr_chid), &cbaf->chid);
-	return scnprintf(buf, PAGE_SIZE, "CHID: %s\nName: %s\n",
-			 pr_chid, cbaf->host_name);
+	return scnprintf(buf, PAGE_SIZE, "%s\n", pr_chid);
 }
 
-/*
- * Get a host info CHID from user space and send it to the device.
- *
- * The user can recover a CC from the device associated to that CHID
- * by cat'ing wusb_connection_context.
- */
-static ssize_t cbaf_wusb_host_info_store(struct device *dev,
+static ssize_t cbaf_wusb_chid_store(struct device *dev,
 					 struct device_attribute *attr,
 					 const char *buf, size_t size)
 {
@@ -308,8 +332,7 @@ static ssize_t cbaf_wusb_host_info_store(struct device *dev,
 			"%02hhx %02hhx %02hhx %02hhx "
 			"%02hhx %02hhx %02hhx %02hhx "
 			"%02hhx %02hhx %02hhx %02hhx "
-			"%02hhx %02hhx %02hhx %02hhx "
-			"%04hx %64s\n",
+			"%02hhx %02hhx %02hhx %02hhx",
 			&cbaf->chid.data[0] , &cbaf->chid.data[1],
 			&cbaf->chid.data[2] , &cbaf->chid.data[3],
 			&cbaf->chid.data[4] , &cbaf->chid.data[5],
@@ -317,24 +340,79 @@ static ssize_t cbaf_wusb_host_info_store(struct device *dev,
 			&cbaf->chid.data[8] , &cbaf->chid.data[9],
 			&cbaf->chid.data[10], &cbaf->chid.data[11],
 			&cbaf->chid.data[12], &cbaf->chid.data[13],
-			&cbaf->chid.data[14], &cbaf->chid.data[15],
-			&cbaf->host_band_groups, cbaf->host_name);
-	if (result != 18) {
-		dev_err(dev, "Unrecognized CHID (need 16 8-bit hex digits, "
-			"a 16 bit hex band group mask "
-			"and a host name, got only %d)\n", (int)result);
+			&cbaf->chid.data[14], &cbaf->chid.data[15]);
+
+	if (result != 16)
 		return -EINVAL;
-	}
+
 	result = cbaf_send_host_info(cbaf);
 	if (result < 0)
-		dev_err(dev, "Couldn't send host information to device: %d\n",
-			(int)result);
-	else
-		d_printf(1, dev, "HI sent, wusb_cc can be read now\n");
-	return result < 0 ? result : size;
+		return result;
+	result = cbaf_cdid_get(cbaf);
+	if (result < 0)
+		return -result;
+	return size;
+}
+static DEVICE_ATTR(wusb_chid, 0600, cbaf_wusb_chid_show, cbaf_wusb_chid_store);
+
+static ssize_t cbaf_wusb_host_name_show(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", cbaf->host_name);
+}
+
+static ssize_t cbaf_wusb_host_name_store(struct device *dev,
+					 struct device_attribute *attr,
+					 const char *buf, size_t size)
+{
+	ssize_t result;
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+
+	result = sscanf(buf, "%63s", cbaf->host_name);
+	if (result != 1)
+		return -EINVAL;
+
+	return size;
+}
+static DEVICE_ATTR(wusb_host_name, 0600, cbaf_wusb_host_name_show,
+					 cbaf_wusb_host_name_store);
+
+static ssize_t cbaf_wusb_host_band_groups_show(struct device *dev,
+					       struct device_attribute *attr,
+					       char *buf)
+{
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+
+	return scnprintf(buf, PAGE_SIZE, "0x%04x\n", cbaf->host_band_groups);
+}
+
+static ssize_t cbaf_wusb_host_band_groups_store(struct device *dev,
+						struct device_attribute *attr,
+						const char *buf, size_t size)
+{
+	ssize_t result;
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+	u16 band_groups = 0;
+
+	result = sscanf(buf, "%04hx", &band_groups);
+	if (result != 1)
+		return -EINVAL;
+
+	cbaf->host_band_groups = band_groups;
+
+	return size;
 }
-static DEVICE_ATTR(wusb_host_info, 0600, cbaf_wusb_host_info_show,
-					 cbaf_wusb_host_info_store);
+
+static DEVICE_ATTR(wusb_host_band_groups, 0600,
+		   cbaf_wusb_host_band_groups_show,
+		   cbaf_wusb_host_band_groups_store);
 
 static const struct wusb_cbaf_device_info cbaf_device_info_defaults = {
 	.Length_hdr               = WUSB_AR_Length,
@@ -344,77 +422,72 @@ static const struct wusb_cbaf_device_info cbaf_device_info_defaults = {
 	.DeviceFriendlyName_hdr   = WUSB_AR_DeviceFriendlyName,
 };
 
-/*
- * Get device's information (CDID) associated to CHID
- *
- * The device will return it's information (CDID, name, bandgroups)
- * associated to the CHID we have set before, or 0 CDID and default
- * name and bandgroup if no CHID set or unknown.
- */
-static int cbaf_cdid_get(struct cbaf *cbaf)
+static ssize_t cbaf_wusb_cdid_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
 {
-	int result;
-	struct device *dev = &cbaf->usb_iface->dev;
-	struct wusb_cbaf_device_info *di;
-	size_t needed, dev_name_size;
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+	char pr_cdid[WUSB_CKHDID_STRSIZE];
 
-	di = cbaf->buffer;
-	result = usb_control_msg(
-		cbaf->usb_dev, usb_rcvctrlpipe(cbaf->usb_dev, 0),
-		CBAF_REQ_GET_ASSOCIATION_REQUEST,
-		USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-		0x0200, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
-		di, cbaf->buffer_size, 1000 /* FIXME: arbitrary */);
-	if (result < 0) {
-		dev_err(dev, "Cannot request device information: %d\n", result);
-		goto error_req_di;
-	}
-	needed = result < sizeof(*di) ? sizeof(*di) : le32_to_cpu(di->Length);
-	if (result < needed) {
-		dev_err(dev, "Not enough data in DEVICE_INFO reply (%zu vs "
-			"%zu bytes needed)\n", (size_t)result, needed);
-		goto error_bad_di;
-	}
-	cbaf->cdid = di->CDID;
-	dev_name_size = le16_to_cpu(di->DeviceFriendlyName_hdr.len);
-	dev_name_size = dev_name_size > 65 - 1 ? 65 - 1 : dev_name_size;
-	memcpy(cbaf->device_name, di->DeviceFriendlyName, dev_name_size);
-	cbaf->device_name[dev_name_size] = 0;
-	cbaf->device_band_groups = le16_to_cpu(di->BandGroups);
-	result = 0;
-error_req_di:
-error_bad_di:
-	return result;
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &cbaf->cdid);
+	return scnprintf(buf, PAGE_SIZE, "%s\n", pr_cdid);
 }
 
-/*
- * Get device information and print it to sysfs
- *
- * See cbaf_cdid_get()
- */
-static ssize_t cbaf_wusb_cdid_show(struct device *dev,
-				   struct device_attribute *attr, char *buf)
+static ssize_t cbaf_wusb_cdid_store(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t size)
 {
 	ssize_t result;
 	struct usb_interface *iface = to_usb_interface(dev);
 	struct cbaf *cbaf = usb_get_intfdata(iface);
-	char pr_cdid[WUSB_CKHDID_STRSIZE];
+	struct wusb_ckhdid cdid;
 
-	result = cbaf_cdid_get(cbaf);
-	if (result < 0) {
-		dev_err(dev, "Cannot read device information: %d\n",
-			(int)result);
-		goto error_get_di;
-	}
-	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &cbaf->cdid);
-	result = scnprintf(buf, PAGE_SIZE,
-			   "CDID: %s\nName: %s\nBand_groups: 0x%04x\n",
-			   pr_cdid, cbaf->device_name,
-			   cbaf->device_band_groups);
-error_get_di:
-	return result;
+	result = sscanf(buf,
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx "
+			"%02hhx %02hhx %02hhx %02hhx",
+			&cdid.data[0] , &cdid.data[1],
+			&cdid.data[2] , &cdid.data[3],
+			&cdid.data[4] , &cdid.data[5],
+			&cdid.data[6] , &cdid.data[7],
+			&cdid.data[8] , &cdid.data[9],
+			&cdid.data[10], &cdid.data[11],
+			&cdid.data[12], &cdid.data[13],
+			&cdid.data[14], &cdid.data[15]);
+	if (result != 16)
+		return -EINVAL;
+
+	cbaf->cdid = cdid;
+
+	return size;
+}
+static DEVICE_ATTR(wusb_cdid, 0600, cbaf_wusb_cdid_show, cbaf_wusb_cdid_store);
+
+static ssize_t cbaf_wusb_device_band_groups_show(struct device *dev,
+						 struct device_attribute *attr,
+						 char *buf)
+{
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+
+	return scnprintf(buf, PAGE_SIZE, "0x%04x\n", cbaf->device_band_groups);
+}
+
+static DEVICE_ATTR(wusb_device_band_groups, 0600,
+		   cbaf_wusb_device_band_groups_show,
+		   NULL);
+
+static ssize_t cbaf_wusb_device_name_show(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct usb_interface *iface = to_usb_interface(dev);
+	struct cbaf *cbaf = usb_get_intfdata(iface);
+
+	return scnprintf(buf, PAGE_SIZE, "%s\n", cbaf->device_name);
 }
-static DEVICE_ATTR(wusb_cdid, 0600, cbaf_wusb_cdid_show, NULL);
+static DEVICE_ATTR(wusb_device_name, 0600, cbaf_wusb_device_name_show, NULL);
 
 static const struct wusb_cbaf_cc_data cbaf_cc_data_defaults = {
 	.AssociationTypeId_hdr    = WUSB_AR_AssociationTypeId,
@@ -435,9 +508,7 @@ static const struct wusb_cbaf_cc_data_fail cbaf_cc_data_fail_defaults = {
 };
 
 /*
- * Send a new CC to the device
- *
- * So we update the CK and send the whole thing to the device
+ * Send a new CC to the device.
  */
 static int cbaf_cc_upload(struct cbaf *cbaf)
 {
@@ -452,30 +523,25 @@ static int cbaf_cc_upload(struct cbaf *cbaf)
 	ccd->CDID = cbaf->cdid;
 	ccd->CK = cbaf->ck;
 	ccd->BandGroups = cpu_to_le16(cbaf->host_band_groups);
+
+	dev_dbg(dev, "Trying to upload CC:\n");
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CHID);
+	dev_dbg(dev, "  CHID       %s\n", pr_cdid);
+	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CDID);
+	dev_dbg(dev, "  CDID       %s\n", pr_cdid);
+	dev_dbg(dev, "  Bandgroups 0x%04x\n", cbaf->host_band_groups);
+
 	result = usb_control_msg(
 		cbaf->usb_dev, usb_sndctrlpipe(cbaf->usb_dev, 0),
 		CBAF_REQ_SET_ASSOCIATION_RESPONSE,
 		USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
 		0x0201, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
 		ccd, sizeof(*ccd), 1000 /* FIXME: arbitrary */);
-	d_printf(1, dev, "Uploaded CC:\n");
-	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CHID);
-	d_printf(1, dev, "  CHID       %s\n", pr_cdid);
-	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CDID);
-	d_printf(1, dev, "  CDID       %s\n", pr_cdid);
-	ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CK);
-	d_printf(1, dev, "  CK         %s\n", pr_cdid);
-	d_printf(1, dev, "  bandgroups 0x%04x\n", cbaf->host_band_groups);
+
 	return result;
 }
 
-/*
- * Send a new CC to the device
- *
- * We take the CDID and CK from user space, the rest from the info we
- * set with host_info.
- */
-static ssize_t cbaf_wusb_cc_store(struct device *dev,
+static ssize_t cbaf_wusb_ck_store(struct device *dev,
 				  struct device_attribute *attr,
 				  const char *buf, size_t size)
 {
@@ -484,23 +550,10 @@ static ssize_t cbaf_wusb_cc_store(struct device *dev,
 	struct cbaf *cbaf = usb_get_intfdata(iface);
 
 	result = sscanf(buf,
-			"CDID: %02hhx %02hhx %02hhx %02hhx "
-			"%02hhx %02hhx %02hhx %02hhx "
 			"%02hhx %02hhx %02hhx %02hhx "
-			"%02hhx %02hhx %02hhx %02hhx\n"
-			"CK: %02hhx %02hhx %02hhx %02hhx "
 			"%02hhx %02hhx %02hhx %02hhx "
 			"%02hhx %02hhx %02hhx %02hhx "
-			"%02hhx %02hhx %02hhx %02hhx\n",
-			&cbaf->cdid.data[0] , &cbaf->cdid.data[1],
-			&cbaf->cdid.data[2] , &cbaf->cdid.data[3],
-			&cbaf->cdid.data[4] , &cbaf->cdid.data[5],
-			&cbaf->cdid.data[6] , &cbaf->cdid.data[7],
-			&cbaf->cdid.data[8] , &cbaf->cdid.data[9],
-			&cbaf->cdid.data[10], &cbaf->cdid.data[11],
-			&cbaf->cdid.data[12], &cbaf->cdid.data[13],
-			&cbaf->cdid.data[14], &cbaf->cdid.data[15],
-
+			"%02hhx %02hhx %02hhx %02hhx",
 			&cbaf->ck.data[0] , &cbaf->ck.data[1],
 			&cbaf->ck.data[2] , &cbaf->ck.data[3],
 			&cbaf->ck.data[4] , &cbaf->ck.data[5],
@@ -509,25 +562,25 @@ static ssize_t cbaf_wusb_cc_store(struct device *dev,
 			&cbaf->ck.data[10], &cbaf->ck.data[11],
 			&cbaf->ck.data[12], &cbaf->ck.data[13],
 			&cbaf->ck.data[14], &cbaf->ck.data[15]);
-	if (result != 32) {
-		dev_err(dev, "Unrecognized CHID/CK (need 32 8-bit "
-			"hex digits, got only %d)\n", (int)result);
+	if (result != 16)
 		return -EINVAL;
-	}
+
 	result = cbaf_cc_upload(cbaf);
 	if (result < 0)
-		dev_err(dev, "Couldn't upload connection context: %d\n",
-			(int)result);
-	else
-		d_printf(1, dev, "Connection context uploaded\n");
-	return result < 0 ? result : size;
+		return result;
+
+	return size;
 }
-static DEVICE_ATTR(wusb_cc, 0600, NULL, cbaf_wusb_cc_store);
+static DEVICE_ATTR(wusb_ck, 0600, NULL, cbaf_wusb_ck_store);
 
 static struct attribute *cbaf_dev_attrs[] = {
-	&dev_attr_wusb_host_info.attr,
+	&dev_attr_wusb_host_name.attr,
+	&dev_attr_wusb_host_band_groups.attr,
+	&dev_attr_wusb_chid.attr,
 	&dev_attr_wusb_cdid.attr,
-	&dev_attr_wusb_cc.attr,
+	&dev_attr_wusb_device_name.attr,
+	&dev_attr_wusb_device_band_groups.attr,
+	&dev_attr_wusb_ck.attr,
 	NULL,
 };
 
@@ -539,32 +592,33 @@ static struct attribute_group cbaf_dev_attr_group = {
 static int cbaf_probe(struct usb_interface *iface,
 		      const struct usb_device_id *id)
 {
-	int result;
 	struct cbaf *cbaf;
 	struct device *dev = &iface->dev;
+	int result = -ENOMEM;
 
-	result = -ENOMEM;
 	cbaf = kzalloc(sizeof(*cbaf), GFP_KERNEL);
-	if (cbaf == NULL) {
-		dev_err(dev, "Unable to allocate instance\n");
+	if (cbaf == NULL)
 		goto error_kzalloc;
-	}
 	cbaf->buffer = kmalloc(512, GFP_KERNEL);
 	if (cbaf->buffer == NULL)
 		goto error_kmalloc_buffer;
+
 	cbaf->buffer_size = 512;
 	cbaf->usb_dev = usb_get_dev(interface_to_usbdev(iface));
 	cbaf->usb_iface = usb_get_intf(iface);
 	result = cbaf_check(cbaf);
-	if (result < 0)
+	if (result < 0) {
+		dev_err(dev, "This device is not WUSB-CBAF compliant"
+			"and is not supported yet.\n");
 		goto error_check;
+	}
+
 	result = sysfs_create_group(&dev->kobj, &cbaf_dev_attr_group);
 	if (result < 0) {
 		dev_err(dev, "Can't register sysfs attr group: %d\n", result);
 		goto error_create_group;
 	}
 	usb_set_intfdata(iface, cbaf);
-	d_printf(2, dev, "CBA attached\n");
 	return 0;
 
 error_create_group:
@@ -587,7 +641,6 @@ static void cbaf_disconnect(struct usb_interface *iface)
 	/* paranoia: clean up crypto keys */
 	memset(cbaf, 0, sizeof(*cbaf));
 	kfree(cbaf);
-	d_printf(1, dev, "CBA detached\n");
 }
 
 static struct usb_device_id cbaf_id_table[] = {
-- 
GitLab


From 6a7c3e464eb75310d011a6f2ea2953e6f5d91d55 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:43 +0100
Subject: [PATCH 0193/2224] uwb: depend on EXPERIMENTAL

The UWB stack has some sysfs APIs that will change thus it's best
marked as EXPERIMENTAL until these APIs are finalized.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/host/Kconfig     | 6 ++++--
 drivers/usb/wusbcore/Kconfig | 3 ++-
 drivers/uwb/Kconfig          | 3 ++-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 515044129bb..72fb655e603 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -307,7 +307,8 @@ config SUPERH_ON_CHIP_R8A66597
 	   SH7366 and SH7723 processors.
 
 config USB_WHCI_HCD
-	tristate "Wireless USB Host Controller Interface (WHCI) driver"
+	tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
+	depends on EXPERIMENTAL
 	depends on PCI && USB
 	select USB_WUSB
 	select UWB_WHCI
@@ -319,7 +320,8 @@ config USB_WHCI_HCD
 	  will be called "whci-hcd".
 
 config USB_HWA_HCD
-        tristate "Host Wire Adapter (HWA) driver"
+	tristate "Host Wire Adapter (HWA) driver (EXPERIMENTAL)"
+	depends on EXPERIMENTAL
 	depends on USB
 	select USB_WUSB
 	select UWB_HWA
diff --git a/drivers/usb/wusbcore/Kconfig b/drivers/usb/wusbcore/Kconfig
index 4ea76693ad4..eb09a0a14a8 100644
--- a/drivers/usb/wusbcore/Kconfig
+++ b/drivers/usb/wusbcore/Kconfig
@@ -2,7 +2,8 @@
 # Wireless USB Core configuration
 #
 config USB_WUSB
-	tristate "Enable Wireless USB extensions"
+	tristate "Enable Wireless USB extensions (EXPERIMENTAL)"
+	depends on EXPERIMENTAL
 	depends on USB
         select UWB
         select CRYPTO
diff --git a/drivers/uwb/Kconfig b/drivers/uwb/Kconfig
index 317e9fefbc0..ca783127af3 100644
--- a/drivers/uwb/Kconfig
+++ b/drivers/uwb/Kconfig
@@ -3,7 +3,8 @@
 #
 
 menuconfig UWB
-	tristate "Ultra Wide Band devices"
+	tristate "Ultra Wideband devices (EXPERIMENTAL)"
+	depends on EXPERIMENTAL
 	depends on PCI
 	default n
 	help
-- 
GitLab


From 18332a80c3e2000336ed2cb7ef9a1c6a3991ab61 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@csr.com>
Date: Wed, 17 Sep 2008 16:34:44 +0100
Subject: [PATCH 0194/2224] uwb: add entries in the MAINTAINERS file

Add entries for the UWB, WUSB, and WLP subsystems to the MAINTAINERS file.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 MAINTAINERS | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 0a613cb926c..63458274ebd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1048,6 +1048,12 @@ L:	cbe-oss-dev@ozlabs.org
 W:	http://www.ibm.com/developerworks/power/cell/
 S:	Supported
 
+CERTIFIED WIRELESS USB (WUSB) SUBSYSTEM:
+P:	David Vrabel
+M:	david.vrabel@csr.com
+L:	linux-usb@vger.kernel.org
+S:	Supported
+
 CFAG12864B LCD DRIVER
 P:	Miguel Ojeda Sandonis
 M:	miguel.ojeda.sandonis@gmail.com
@@ -4137,6 +4143,12 @@ L:	sparclinux@vger.kernel.org
 T:	git kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6.git
 S:	Maintained
 
+ULTRA-WIDEBAND (UWB) SUBSYSTEM:
+P:	David Vrabel
+M:	david.vrabel@csr.com
+L:	linux-usb@vger.kernel.org
+S:	Supported
+
 UNIFORM CDROM DRIVER
 P:	Jens Axboe
 M:	axboe@kernel.dk
@@ -4532,6 +4544,11 @@ M:	zaga@fly.cc.fer.hr
 L:	linux-scsi@vger.kernel.org
 S:	Maintained
 
+WIMEDIA LLC PROTOCOL (WLP) SUBSYSTEM
+P:	David Vrabel
+M:	david.vrabel@csr.com
+S:	Maintained
+
 WISTRON LAPTOP BUTTON DRIVER
 P:	Miloslav Trmac
 M:	mitr@volny.cz
-- 
GitLab


From edfa042c880f62848aa55b3e71e538fe383929da Mon Sep 17 00:00:00 2001
From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 17 Sep 2008 16:34:45 +0100
Subject: [PATCH 0195/2224] uwb: add credits for the original developers of the
 UWB/WUSB/WLP subsystems

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 CREDITS | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/CREDITS b/CREDITS
index c62dcb3b7e2..4fad6717e56 100644
--- a/CREDITS
+++ b/CREDITS
@@ -598,6 +598,11 @@ S: Tamsui town, Taipei county,
 S: Taiwan 251
 S: Republic of China
 
+N: Reinette Chatre
+E: reinette.chatre@intel.com
+D: WiMedia Link Protocol implementation
+D: UWB stack bits and pieces
+
 N: Michael Elizabeth Chastain
 E: mec@shout.net
 D: Configure, Menuconfig, xconfig
@@ -2695,6 +2700,12 @@ S: Demonstratsii 8-382
 S: Tula 300000
 S: Russia
 
+N: Inaky Perez-Gonzalez
+E: inaky.perez-gonzalez@intel.com
+D: UWB stack, HWA-RC driver and HWA-HC drivers
+D: Wireless USB additions to the USB stack
+D: WiMedia Link Protocol bits and pieces
+
 N: Gordon Peters
 E: GordPeters@smarttech.com
 D: Isochronous receive for IEEE 1394 driver (OHCI module).
-- 
GitLab


From 6b3141962dc82cfe1c30afdf91d564b309859cbe Mon Sep 17 00:00:00 2001
From: Timur Tabi <timur@freescale.com>
Date: Fri, 19 Sep 2008 04:16:19 -0700
Subject: [PATCH 0196/2224] dmatest: properly handle duplicate DMA channels

Update the the dmatest driver so that it handles duplicate DMA channels
properly.

When a DMA client is notified of an available DMA channel, it must check if it
has already allocated resources for that channel.  If so, it should return
DMA_DUP.  This can happen, for example, if a DMA driver calls
dma_async_device_register() more than once.

Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/dmatest.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index a08d1970474..422500c6c16 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -325,6 +325,11 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan)
 	struct dmatest_thread	*thread;
 	unsigned int		i;
 
+	/* Have we already been told about this channel? */
+	list_for_each_entry(dtc, &dmatest_channels, node)
+		if (dtc->chan == chan)
+			return DMA_DUP;
+
 	dtc = kmalloc(sizeof(struct dmatest_chan), GFP_ATOMIC);
 	if (!dtc) {
 		pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id);
-- 
GitLab


From 6fdb8bd47111d3f94be221082b725ec2dec1d5c7 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 19 Sep 2008 04:16:23 -0700
Subject: [PATCH 0197/2224] drivers/dma/dmatest.c: switch a GFP_ATOMIC to
 GFP_KERNEL

It was needlessly using the unreliable GFP_ATOMIC.

Cc: Timur Tabi <timur@freescale.com>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/dmatest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 422500c6c16..d1e381e35a9 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -330,7 +330,7 @@ static enum dma_state_client dmatest_add_channel(struct dma_chan *chan)
 		if (dtc->chan == chan)
 			return DMA_DUP;
 
-	dtc = kmalloc(sizeof(struct dmatest_chan), GFP_ATOMIC);
+	dtc = kmalloc(sizeof(struct dmatest_chan), GFP_KERNEL);
 	if (!dtc) {
 		pr_warning("dmatest: No memory for %s\n", chan->dev.bus_id);
 		return DMA_NAK;
-- 
GitLab


From b817f7e020958c8f79842076c137daa6f72eb366 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 20 Sep 2008 20:16:35 +0900
Subject: [PATCH 0198/2224] sh: Disable 4kB stacks when using PAGE_SIZE_64KB.

This combination triggers a divide by zero in kernel/fork.c when
calculating the initial max_threads value:

	max_threads = mempages / (8 * THREAD_SIZE / PAGE_SIZE);

Simply disable 4K stacks on 64kB PAGE_SIZE to work around this,
as it's not a terribly useful combination to begin with.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 4d2d102e00d..e6d2c8b11ab 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -82,7 +82,7 @@ config DEBUG_STACK_USAGE
 
 config 4KSTACKS
 	bool "Use 4Kb for kernel stacks instead of 8Kb"
-	depends on DEBUG_KERNEL && (MMU || BROKEN)
+	depends on DEBUG_KERNEL && (MMU || BROKEN) && !PAGE_SIZE_64KB
 	help
 	  If you say Y here the kernel will use a 4Kb stacksize for the
 	  kernel stack attached to each process/thread. This facilitates
-- 
GitLab


From c15c5f8c2bf0b00d036c5c6b67264764a6e5dffc Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 20 Sep 2008 20:21:33 +0900
Subject: [PATCH 0199/2224] sh: Support kernel stacks smaller than a page.

This follows the powerpc commit f6a616800e68b61807d0f7bb0d5dc70665ef8046
'[POWERPC] Fix kernel stack allocation alignment'.

SH has traditionally forced the thread order to be relative to the page
size, so there were never any situations where the same bug was
triggered by slub. Regardless, the usage of > 8kB stacks for the larger
page sizes is overkill, so we switch to using slab allocations there,
as per the powerpc change.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/thread_info.h | 32 ++++++++++++++-----------------
 arch/sh/mm/init.c                 | 29 ++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 18 deletions(-)

diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index 0a894cafb1d..f09ac480629 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -33,20 +33,12 @@ struct thread_info {
 #define PREEMPT_ACTIVE		0x10000000
 
 #if defined(CONFIG_4KSTACKS)
-#define THREAD_SIZE_ORDER	(0)
-#elif defined(CONFIG_PAGE_SIZE_4KB)
-#define THREAD_SIZE_ORDER	(1)
-#elif defined(CONFIG_PAGE_SIZE_8KB)
-#define THREAD_SIZE_ORDER	(1)
-#elif defined(CONFIG_PAGE_SIZE_16KB)
-#define THREAD_SIZE_ORDER	(0)
-#elif defined(CONFIG_PAGE_SIZE_64KB)
-#define THREAD_SIZE_ORDER	(0)
+#define THREAD_SHIFT	12
 #else
-#error "Unknown thread size"
+#define THREAD_SHIFT	13
 #endif
 
-#define THREAD_SIZE	(PAGE_SIZE << THREAD_SIZE_ORDER)
+#define THREAD_SIZE	(1 << THREAD_SHIFT)
 #define STACK_WARN	(THREAD_SIZE >> 3)
 
 /*
@@ -94,15 +86,19 @@ static inline struct thread_info *current_thread_info(void)
 	return ti;
 }
 
+/* thread information allocation */
+#if THREAD_SHIFT >= PAGE_SHIFT
+
+#define THREAD_SIZE_ORDER	(THREAD_SHIFT - PAGE_SHIFT)
+
+#else /* THREAD_SHIFT < PAGE_SHIFT */
+
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 
-/* thread information allocation */
-#ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(ti)	kzalloc(THREAD_SIZE, GFP_KERNEL)
-#else
-#define alloc_thread_info(ti)	kmalloc(THREAD_SIZE, GFP_KERNEL)
-#endif
-#define free_thread_info(ti)	kfree(ti)
+extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
+extern void free_thread_info(struct thread_info *ti);
+ 
+#endif /* THREAD_SHIFT < PAGE_SHIFT */
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 31211bfdc6d..2a53943924b 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -265,6 +265,35 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 }
 #endif
 
+#if THREAD_SHIFT < PAGE_SHIFT
+static struct kmem_cache *thread_info_cache;
+
+struct thread_info *alloc_thread_info(struct task_struct *tsk)
+{
+	struct thread_info *ti;
+
+	ti = kmem_cache_alloc(thread_info_cache, GFP_KERNEL);
+	if (unlikely(ti == NULL))
+		return NULL;
+#ifdef CONFIG_DEBUG_STACK_USAGE
+	memset(ti, 0, THREAD_SIZE);
+#endif
+	return ti;
+}
+
+void free_thread_info(struct thread_info *ti)
+{
+	kmem_cache_free(thread_info_cache, ti);
+}
+
+void thread_info_cache_init(void)
+{
+	thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE,
+					      THREAD_SIZE, 0, NULL);
+	BUG_ON(thread_info_cache == NULL);
+}
+#endif /* THREAD_SHIFT < PAGE_SHIFT */
+
 #ifdef CONFIG_MEMORY_HOTPLUG
 int arch_add_memory(int nid, u64 start, u64 size)
 {
-- 
GitLab


From 837c946aad480d4773619707f115ed4c15738f77 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 10:24:18 +0900
Subject: [PATCH 0200/2224] sh: Copy in asm/sizes.h helper from ARM.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/sizes.h | 56 +++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 arch/sh/include/asm/sizes.h

diff --git a/arch/sh/include/asm/sizes.h b/arch/sh/include/asm/sizes.h
new file mode 100644
index 00000000000..503843db156
--- /dev/null
+++ b/arch/sh/include/asm/sizes.h
@@ -0,0 +1,56 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+/* DO NOT EDIT!! - this file automatically generated
+ *                 from .s file by awk -f s2h.awk
+ */
+/*  Size definitions
+ *  Copyright (C) ARM Limited 1998. All rights reserved.
+ */
+
+#ifndef __sizes_h
+#define __sizes_h                       1
+
+/* handy sizes */
+#define SZ_16				0x00000010
+#define SZ_256				0x00000100
+#define SZ_512				0x00000200
+
+#define SZ_1K                           0x00000400
+#define SZ_4K                           0x00001000
+#define SZ_8K                           0x00002000
+#define SZ_16K                          0x00004000
+#define SZ_64K                          0x00010000
+#define SZ_128K                         0x00020000
+#define SZ_256K                         0x00040000
+#define SZ_512K                         0x00080000
+
+#define SZ_1M                           0x00100000
+#define SZ_2M                           0x00200000
+#define SZ_4M                           0x00400000
+#define SZ_8M                           0x00800000
+#define SZ_16M                          0x01000000
+#define SZ_32M                          0x02000000
+#define SZ_64M                          0x04000000
+#define SZ_128M                         0x08000000
+#define SZ_256M                         0x10000000
+#define SZ_512M                         0x20000000
+
+#define SZ_1G                           0x40000000
+#define SZ_2G                           0x80000000
+
+#endif
+
+/*         END */
-- 
GitLab


From d3ea00a36da2e715217f0e31944dd220deefa38c Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 10:31:57 +0900
Subject: [PATCH 0201/2224] sh: Add a few more definitions to asm/sizes.h.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/sizes.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/sh/include/asm/sizes.h b/arch/sh/include/asm/sizes.h
index 503843db156..3a1fb97770f 100644
--- a/arch/sh/include/asm/sizes.h
+++ b/arch/sh/include/asm/sizes.h
@@ -25,6 +25,9 @@
 
 /* handy sizes */
 #define SZ_16				0x00000010
+#define SZ_32				0x00000020
+#define SZ_64				0x00000040
+#define SZ_128				0x00000080
 #define SZ_256				0x00000100
 #define SZ_512				0x00000200
 
@@ -32,6 +35,7 @@
 #define SZ_4K                           0x00001000
 #define SZ_8K                           0x00002000
 #define SZ_16K                          0x00004000
+#define SZ_32K				0x00008000
 #define SZ_64K                          0x00010000
 #define SZ_128K                         0x00020000
 #define SZ_256K                         0x00040000
@@ -42,6 +46,7 @@
 #define SZ_4M                           0x00400000
 #define SZ_8M                           0x00800000
 #define SZ_16M                          0x01000000
+#define SZ_26M				0x01a00000
 #define SZ_32M                          0x02000000
 #define SZ_64M                          0x04000000
 #define SZ_128M                         0x08000000
-- 
GitLab


From 347cd34f4b32be30d2a6d92fe4d6eac04b00a637 Mon Sep 17 00:00:00 2001
From: Luca Santini <luca.santini@spesonline.com>
Date: Sun, 21 Sep 2008 10:32:29 +0900
Subject: [PATCH 0202/2224] sh: edosk7760: Correct size of bootloader flash
 partition.

This is 256K instead of 1M.

[ Converted to use asm/sizes.h. -- PFM ]

Signed-off-by: Luca Santini <luca.santini@spesonline.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-edosk7760.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/sh/boards/board-edosk7760.c b/arch/sh/boards/board-edosk7760.c
index 4890ba7961a..35dc0994875 100644
--- a/arch/sh/boards/board-edosk7760.c
+++ b/arch/sh/boards/board-edosk7760.c
@@ -30,6 +30,7 @@
 #include <asm/addrspace.h>
 #include <asm/delay.h>
 #include <asm/i2c-sh7760.h>
+#include <asm/sizes.h>
 
 /* Bus state controller registers for CS4 area */
 #define BSC_CS4BCR	0xA4FD0010
@@ -46,16 +47,16 @@ static struct mtd_partition edosk7760_nor_flash_partitions[] = {
 	{
 		.name = "bootloader",
 		.offset = 0,
-		.size = (1 * 1024 * 1024), /*1MB*/
+		.size = SZ_256K,
 		.mask_flags = MTD_WRITEABLE,	/* Read-only */
 	}, {
 		.name = "kernel",
 		.offset = MTDPART_OFS_APPEND,
-		.size = (2 * 1024 * 1024), /*2MB*/
+		.size = SZ_2M,
 	}, {
 		.name = "fs",
 		.offset = MTDPART_OFS_APPEND,
-		.size = (26 * 1024 * 1024),
+		.size = SZ_26M,
 	}, {
 		.name = "other",
 		.offset = MTDPART_OFS_APPEND,
@@ -73,7 +74,7 @@ static struct resource edosk7760_nor_flash_resources[] = {
 	[0] = {
 		.name	= "NOR Flash",
 		.start	= 0x00000000,
-		.end	= (32 * 1024 * 1024) -1,	/* 32MB*/
+		.end	= 0x00000000 + SZ_32M - 1,
 		.flags	= IORESOURCE_MEM,
 	}
 };
@@ -145,7 +146,7 @@ static struct smc91x_platdata smc91x_info = {
 static struct resource smc91x_res[] = {
 	[0] = {
 		.start	= SMC_IOADDR,
-		.end	= SMC_IOADDR + 0x1f,
+		.end	= SMC_IOADDR + SZ_32 - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
-- 
GitLab


From 4c59e2942e92d2d776bcd038604a5c3c1d56d3ac Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 12:00:23 +0900
Subject: [PATCH 0203/2224] sh: Move lookup_exception_vector() out to
 asm/system_32.h.

There are other places where we want to have access to the trap/exception
number, so move out the lookup_exception_vector() helper. While we're at
it, refactor it slightly to return the vector instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/system_32.h | 25 +++++++++++++++++++++++++
 arch/sh/kernel/traps_32.c       | 16 ++++------------
 2 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index f7f105627fd..a726d5d0727 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -97,6 +97,31 @@ do {							\
 		: "=&r" (__dummy));			\
 } while (0)
 
+#ifdef CONFIG_CPU_HAS_SR_RB
+#define lookup_exception_vector()	\
+({					\
+	unsigned long _vec;		\
+					\
+	__asm__ __volatile__ (		\
+		"stc r2_bank, %0\n\t"	\
+		: "=r" (_vec)		\
+	);				\
+					\
+	_vec;				\
+})
+#else
+#define lookup_exception_vector()	\
+({					\
+	unsigned long _vec;		\
+	__asm__ __volatile__ (		\
+		"mov r4, %0\n\t"	\
+		: "=r" (_vec)		\
+	);				\
+					\
+	_vec;				\
+})
+#endif
+
 int handle_unaligned_access(opcode_t instruction, struct pt_regs *regs,
 			    struct mem_access *ma);
 
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 35b901ed6de..b359b08a8e3 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -514,14 +514,6 @@ int handle_unaligned_access(opcode_t instruction, struct pt_regs *regs,
 	return ret;
 }
 
-#ifdef CONFIG_CPU_HAS_SR_RB
-#define lookup_exception_vector(x)	\
-	__asm__ __volatile__ ("stc r2_bank, %0\n\t" : "=r" ((x)))
-#else
-#define lookup_exception_vector(x)	\
-	__asm__ __volatile__ ("mov r4, %0\n\t" : "=r" ((x)))
-#endif
-
 /*
  * Handle various address error exceptions:
  *  - instruction address error:
@@ -545,7 +537,7 @@ asmlinkage void do_address_error(struct pt_regs *regs,
 
 	/* Intentional ifdef */
 #ifdef CONFIG_CPU_HAS_SR_RB
-	lookup_exception_vector(error_code);
+	error_code = lookup_exception_vector();
 #endif
 
 	oldfs = get_fs();
@@ -686,7 +678,7 @@ asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
 	}
 #endif
 
-	lookup_exception_vector(error_code);
+	error_code = lookup_exception_vector();
 
 	local_irq_enable();
 	CHK_REMOTE_DEBUG(regs);
@@ -759,7 +751,7 @@ asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
 	/* not a FPU inst. */
 #endif
 
-	lookup_exception_vector(inst);
+	inst = lookup_exception_vector();
 
 	local_irq_enable();
 	CHK_REMOTE_DEBUG(regs);
@@ -774,7 +766,7 @@ asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
 	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
 	long ex;
 
-	lookup_exception_vector(ex);
+	ex = lookup_exception_vector();
 	die_if_kernel("exception", regs, ex);
 }
 
-- 
GitLab


From 887f1ae3bc1701604a7b5ef145e1021072675444 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 12:06:43 +0900
Subject: [PATCH 0204/2224] sh: Look up the trap vector for the page fault
 notifier.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/fault_32.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 659811c179e..ef01f45daa8 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -21,26 +21,21 @@
 #include <asm/tlbflush.h>
 #include <asm/kgdb.h>
 
-#ifdef CONFIG_KPROBES
 static inline int notify_page_fault(struct pt_regs *regs, int trap)
 {
 	int ret = 0;
 
+#ifdef CONFIG_KPROBES
 	if (!user_mode(regs)) {
 		preempt_disable();
 		if (kprobe_running() && kprobe_fault_handler(regs, trap))
 			ret = 1;
 		preempt_enable();
 	}
+#endif
 
 	return ret;
 }
-#else
-static inline int notify_page_fault(struct pt_regs *regs, int trap)
-{
-	return 0;
-}
-#endif
 
 /*
  * This routine handles page faults.  It determines the address,
@@ -58,7 +53,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 	int fault;
 	siginfo_t info;
 
-	if (notify_page_fault(regs, writeaccess))
+	if (notify_page_fault(regs, lookup_exception_vector()))
 		return;
 
 #ifdef CONFIG_SH_KGDB
@@ -293,7 +288,7 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
 	pte_t *pte;
 	pte_t entry;
 
-	if (notify_page_fault(regs, writeaccess))
+	if (notify_page_fault(regs, lookup_exception_vector()))
 		return 0;
 
 #ifdef CONFIG_SH_KGDB
-- 
GitLab


From 8f2baee28093ea77c7cc8da45049fd94cc76998e Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 12:11:25 +0900
Subject: [PATCH 0205/2224] sh: Kill off duplicate page fault notifiers in slow
 path.

We already have hooks in place in the __do_page_fault() fast-path,
so kill them off in the slow path.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/fault_32.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index ef01f45daa8..08a08ea5d69 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -53,13 +53,10 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 	int fault;
 	siginfo_t info;
 
-	if (notify_page_fault(regs, lookup_exception_vector()))
-		return;
-
-#ifdef CONFIG_SH_KGDB
-	if (kgdb_nofault && kgdb_bus_err_hook)
-		kgdb_bus_err_hook();
-#endif
+	/*
+	 * We don't bother with any notifier callbacks here, as they are
+	 * all handled through the __do_page_fault() fast-path.
+	 */
 
 	tsk = current;
 	si_code = SEGV_MAPERR;
-- 
GitLab


From 3d58695edbfac785161bf282dc11fd42a483d6c9 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 13:56:39 +0900
Subject: [PATCH 0206/2224] sh: Trivial trace_mark() instrumentation for core
 events.

This implements a few trace points across events that are deemed
interesting. This implements a number of trace points:

	- The page fault handler / TLB miss
	- IPC calls
	- Kernel thread creation

The original LTTng patch had the slow-path instrumented, which
fails to account for the vast majority of events. In general
placing this in the fast-path is not a huge performance hit, as
we don't take page faults for kernel addresses.

The other bits of interest are some of the other trap handlers, as
well as the syscall entry/exit (which is better off being handled
through the tracehook API). Most of the other trap handlers are corner
cases where alternate means of notification exist, so there is little
value in placing extra trace points in these locations.

Based on top of the points provided both by the LTTng instrumentation
patch as well as the patch shipping in the ST-Linux tree, albeit in a
stripped down form.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/process_32.c |  9 ++++--
 arch/sh/kernel/process_64.c | 10 +++++--
 arch/sh/kernel/sys_sh.c     |  2 ++
 arch/sh/mm/fault_32.c       | 57 +++++++++++++++++++++----------------
 4 files changed, 50 insertions(+), 28 deletions(-)

diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 914e543102d..7b013aa8c43 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -169,6 +169,7 @@ __asm__(".align 5\n"
 int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 {
 	struct pt_regs regs;
+	int pid;
 
 	memset(&regs, 0, sizeof(regs));
 	regs.regs[4] = (unsigned long)arg;
@@ -178,8 +179,12 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 	regs.sr = (1 << 30);
 
 	/* Ok, create the new process.. */
-	return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
-		       &regs, 0, NULL, NULL);
+	pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
+		      &regs, 0, NULL, NULL);
+
+	trace_mark(kernel_arch_kthread_create, "pid %d fn %p", pid, fn);
+
+	return pid;
 }
 
 /*
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index d0dddc438c0..b7aa09235b5 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -396,6 +396,7 @@ ATTRIB_NORET void kernel_thread_helper(void *arg, int (*fn)(void *))
 int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 {
 	struct pt_regs regs;
+	int pid;
 
 	memset(&regs, 0, sizeof(regs));
 	regs.regs[2] = (unsigned long)arg;
@@ -404,8 +405,13 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 	regs.pc = (unsigned long)kernel_thread_helper;
 	regs.sr = (1 << 30);
 
-	return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
-		       &regs, 0, NULL, NULL);
+	/* Ok, create the new process.. */
+	pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
+		      &regs, 0, NULL, NULL);
+
+	trace_mark(kernel_arch_kthread_create, "pid %d fn %p", pid, fn);
+
+	return pid;
 }
 
 /*
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 0dfb88925ad..38f098c9c72 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -171,6 +171,8 @@ asmlinkage int sys_ipc(uint call, int first, int second,
 	version = call >> 16; /* hack for backward compatibility */
 	call &= 0xffff;
 
+	trace_mark(kernel_arch_ipc_call, "call %u first %d", call, first);
+
 	if (call <= SEMTIMEDOP)
 		switch (call) {
 		case SEMOP:
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 08a08ea5d69..898d477e47c 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -15,28 +15,13 @@
 #include <linux/mm.h>
 #include <linux/hardirq.h>
 #include <linux/kprobes.h>
+#include <linux/marker.h>
 #include <asm/io_trapped.h>
 #include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/tlbflush.h>
 #include <asm/kgdb.h>
 
-static inline int notify_page_fault(struct pt_regs *regs, int trap)
-{
-	int ret = 0;
-
-#ifdef CONFIG_KPROBES
-	if (!user_mode(regs)) {
-		preempt_disable();
-		if (kprobe_running() && kprobe_fault_handler(regs, trap))
-			ret = 1;
-		preempt_enable();
-	}
-#endif
-
-	return ret;
-}
-
 /*
  * This routine handles page faults.  It determines the address,
  * and the problem, and then passes it off to one of the appropriate
@@ -261,6 +246,25 @@ do_sigbus:
 		goto no_context;
 }
 
+static inline int notify_page_fault(struct pt_regs *regs, int trap)
+{
+	int ret = 0;
+
+	trace_mark(kernel_arch_trap_entry, "trap_id %d ip #p%ld",
+		   trap >> 5, instruction_pointer(regs));
+
+#ifdef CONFIG_KPROBES
+	if (!user_mode(regs)) {
+		preempt_disable();
+		if (kprobe_running() && kprobe_fault_handler(regs, trap))
+			ret = 1;
+		preempt_enable();
+	}
+#endif
+
+	return ret;
+}
+
 #ifdef CONFIG_SH_STORE_QUEUES
 /*
  * This is a special case for the SH-4 store queues, as pages for this
@@ -284,15 +288,18 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
 	pmd_t *pmd;
 	pte_t *pte;
 	pte_t entry;
+	int ret = 0;
 
 	if (notify_page_fault(regs, lookup_exception_vector()))
-		return 0;
+		goto out;
 
 #ifdef CONFIG_SH_KGDB
 	if (kgdb_nofault && kgdb_bus_err_hook)
 		kgdb_bus_err_hook();
 #endif
 
+	ret = 1;
+
 	/*
 	 * We don't take page faults for P1, P2, and parts of P4, these
 	 * are always mapped, whether it be due to legacy behaviour in
@@ -302,24 +309,23 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
 		pgd = pgd_offset_k(address);
 	} else {
 		if (unlikely(address >= TASK_SIZE || !current->mm))
-			return 1;
+			goto out;
 
 		pgd = pgd_offset(current->mm, address);
 	}
 
 	pud = pud_offset(pgd, address);
 	if (pud_none_or_clear_bad(pud))
-		return 1;
+		goto out;
 	pmd = pmd_offset(pud, address);
 	if (pmd_none_or_clear_bad(pmd))
-		return 1;
-
+		goto out;
 	pte = pte_offset_kernel(pmd, address);
 	entry = *pte;
 	if (unlikely(pte_none(entry) || pte_not_present(entry)))
-		return 1;
+		goto out;
 	if (unlikely(writeaccess && !pte_write(entry)))
-		return 1;
+		goto out;
 
 	if (writeaccess)
 		entry = pte_mkdirty(entry);
@@ -336,5 +342,8 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
 	set_pte(pte, entry);
 	update_mmu_cache(NULL, address, entry);
 
-	return 0;
+	ret = 0;
+out:
+	trace_mark(kernel_arch_trap_exit, MARK_NOARGS);
+	return ret;
 }
-- 
GitLab


From 9d2b1f81dd93b198e12bca8120afec4a7b609b06 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 16:43:45 +0900
Subject: [PATCH 0207/2224] sh: ftrace support.

This adds support for ftrace to SH. This only includes CONFIG_FTRACE,
and does not handle dynamic ftrace presently.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig                     |  1 +
 arch/sh/boot/compressed/Makefile_32 |  5 ++++
 arch/sh/kernel/entry-common.S       | 44 +++++++++++++++++++++++++++++
 arch/sh/kernel/sh_ksyms_32.c        |  4 +++
 4 files changed, 54 insertions(+)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index adef42cd507..38a5a9edb67 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -24,6 +24,7 @@ config SUPERH32
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
 	select HAVE_ARCH_TRACEHOOK if !SH_FPU
+	select HAVE_FTRACE
 
 config SUPERH64
 	def_bool y if CPU_SH5
diff --git a/arch/sh/boot/compressed/Makefile_32 b/arch/sh/boot/compressed/Makefile_32
index 47685f618ae..301e6d50325 100644
--- a/arch/sh/boot/compressed/Makefile_32
+++ b/arch/sh/boot/compressed/Makefile_32
@@ -23,6 +23,11 @@ IMAGE_OFFSET	:= $(shell /bin/bash -c 'printf "0x%08x" \
 
 LIBGCC	:= $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
+ifeq ($(CONFIG_FTRACE),y)
+ORIG_CFLAGS := $(KBUILD_CFLAGS)
+KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
+endif
+
 LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
 
 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index efbb4268875..1a5cf9dd82d 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -371,3 +371,47 @@ syscall_exit:
 #endif
 7:	.long	do_syscall_trace_enter
 8:	.long	do_syscall_trace_leave
+
+#ifdef CONFIG_FTRACE
+	.align 2
+	.globl	_mcount
+	.type	_mcount,@function
+	.globl	mcount
+	.type	mcount,@function
+_mcount:
+mcount:
+	mov.l	r4, @-r15
+	mov.l	r5, @-r15
+	mov.l	r6, @-r15
+	mov.l	r7, @-r15
+	sts.l	pr, @-r15
+
+	mov.l	@(20,r15),r4
+	sts	pr, r5
+
+	mov.l	1f, r6
+	mov.l	ftrace_stub, r7	
+	cmp/eq	r6, r7
+	bt	skip_trace
+
+	mov.l	@r6, r6
+	jsr	@r6
+	 nop
+
+skip_trace:
+
+	lds.l	@r15+, pr
+	mov.l	@r15+, r7
+	mov.l	@r15+, r6
+	mov.l	@r15+, r5
+	rts
+	 mov.l	@r15+, r4
+
+	.align 2
+1:	.long	ftrace_trace_function
+
+	.globl	ftrace_stub
+ftrace_stub:
+	rts
+	 nop
+#endif /* CONFIG_FTRACE */
diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index 6e1b1c27165..d917b7b4042 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -16,6 +16,7 @@
 #include <asm/delay.h>
 #include <asm/tlbflush.h>
 #include <asm/cacheflush.h>
+#include <asm/ftrace.h>
 
 extern int dump_fpu(struct pt_regs *, elf_fpregset_t *);
 extern struct hw_interrupt_type no_irq_type;
@@ -133,6 +134,9 @@ EXPORT_SYMBOL(__flush_purge_region);
 EXPORT_SYMBOL(clear_user_page);
 #endif
 
+#ifdef CONFIG_FTRACE
+EXPORT_SYMBOL(mcount);
+#endif
 EXPORT_SYMBOL(csum_partial);
 EXPORT_SYMBOL(csum_partial_copy_generic);
 #ifdef CONFIG_IPV6
-- 
GitLab


From 6902aa84f565153ce05f3438ecb8e445d4f468d8 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 17:14:42 +0900
Subject: [PATCH 0208/2224] doc: Add remaining SH parameters to
 kernel-parameters.txt.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 Documentation/kernel-parameters.txt | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1150444a21a..abeff96e9d4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -796,6 +796,8 @@ and is between 256 and 4096 characters. It is defined in the file
 			Defaults to the default architecture's huge page size
 			if not specified.
 
+	hlt		[BUGS=ARM,SH]
+
 	i8042.direct	[HW] Put keyboard port into non-translated mode
 	i8042.dumbkbd	[HW] Pretend that controller can only read data from
 			     keyboard and cannot control its state
@@ -1206,6 +1208,10 @@ and is between 256 and 4096 characters. It is defined in the file
 	mem=nopentium	[BUGS=X86-32] Disable usage of 4MB pages for kernel
 			memory.
 
+	memchunk=nn[KMG]
+			[KNL,SH] Allow user to override the default size for
+			per-device physically contiguous DMA buffers.
+
 	memmap=exactmap	[KNL,X86-32,X86_64] Enable setting of an exact
 			E820 memory map, as specified by the user.
 			Such memmap=exactmap lines can be constructed based on
@@ -1365,6 +1371,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	nodisconnect	[HW,SCSI,M68K] Disables SCSI disconnects.
 
+	nodsp		[SH] Disable hardware DSP at boot time.
+
 	noefi		[X86-32,X86-64] Disable EFI runtime services support.
 
 	noexec		[IA-64]
@@ -1381,13 +1389,15 @@ and is between 256 and 4096 characters. It is defined in the file
 			noexec32=off: disable non-executable mappings
 				read implies executable mappings
 
+	nofpu		[SH] Disable hardware FPU at boot time.
+
 	nofxsr		[BUGS=X86-32] Disables x86 floating point extended
 			register save and restore. The kernel will only save
 			legacy floating-point registers on task switch.
 
 	noclflush	[BUGS=X86] Don't use the CLFLUSH instruction
 
-	nohlt		[BUGS=ARM]
+	nohlt		[BUGS=ARM,SH]
 
 	no-hlt		[BUGS=X86-32] Tells the kernel that the hlt
 			instruction doesn't work correctly and not to
-- 
GitLab


From 4b4cf7595a8bce9b4dd64c241a8cb7336ecb9489 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 17:17:53 +0900
Subject: [PATCH 0209/2224] sh: Add missing asm/ftrace.h.

This was missed with the ftrace support commit.. check it in now.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/ftrace.h | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 arch/sh/include/asm/ftrace.h

diff --git a/arch/sh/include/asm/ftrace.h b/arch/sh/include/asm/ftrace.h
new file mode 100644
index 00000000000..3aed362c946
--- /dev/null
+++ b/arch/sh/include/asm/ftrace.h
@@ -0,0 +1,8 @@
+#ifndef __ASM_SH_FTRACE_H
+#define __ASM_SH_FTRACE_H
+
+#ifndef __ASSEMBLY__
+extern void mcount(void);
+#endif
+
+#endif /* __ASM_SH_FTRACE_H */
-- 
GitLab


From e7ab3cd251926d57ee11d7d320e8fb42c882ad22 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 21 Sep 2008 19:04:55 +0900
Subject: [PATCH 0210/2224] sh: Add FPU registers to regset interface.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig             |  2 +-
 arch/sh/include/asm/elf.h   |  6 +--
 arch/sh/include/asm/fpu.h   | 19 ++++++++++
 arch/sh/kernel/process_32.c | 14 ++++---
 arch/sh/kernel/ptrace_32.c  | 76 +++++++++++++++++++++++++++++++++++++
 5 files changed, 108 insertions(+), 9 deletions(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 38a5a9edb67..71be7ff5c77 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -23,7 +23,7 @@ config SUPERH32
 	def_bool !SUPERH64
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
-	select HAVE_ARCH_TRACEHOOK if !SH_FPU
+	select HAVE_ARCH_TRACEHOOK
 	select HAVE_FTRACE
 
 config SUPERH64
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index 6b2cec80fd1..4da3a0b1091 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -108,10 +108,10 @@ typedef struct user_fpu_struct elf_fpregset_t;
 #define elf_check_fdpic(x)		((x)->e_flags & EF_SH_FDPIC)
 #define elf_check_const_displacement(x)	((x)->e_flags & EF_SH_PIC)
 
-#if defined(CONFIG_SUPERH32) && !defined(CONFIG_SH_FPU)
+#ifdef CONFIG_SUPERH32
 /*
- * Enable dump using regset for general purpose registers, use this as
- * the default once the FPU registers are moved over also.
+ * Enable dump using regset.
+ * This covers all of general/DSP/FPU regs.
  */
 #define CORE_DUMP_USE_REGSET
 #endif
diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h
index 91462fea150..1d3aee04b5c 100644
--- a/arch/sh/include/asm/fpu.h
+++ b/arch/sh/include/asm/fpu.h
@@ -30,8 +30,15 @@ static inline void save_fpu(struct task_struct *tsk, struct pt_regs *regs)
 }
 #endif
 
+struct user_regset;
+
 extern int do_fpu_inst(unsigned short, struct pt_regs *);
 
+extern int fpregs_get(struct task_struct *target,
+		      const struct user_regset *regset,
+		      unsigned int pos, unsigned int count,
+		      void *kbuf, void __user *ubuf);
+
 static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs)
 {
 	preempt_disable();
@@ -50,6 +57,18 @@ static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs)
 	preempt_enable();
 }
 
+static inline int init_fpu(struct task_struct *tsk)
+{
+	if (tsk_used_math(tsk)) {
+		if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current)
+			unlazy_fpu(tsk, task_pt_regs(tsk));
+		return 0;
+	}
+
+	set_stopped_child_used_math(tsk);
+	return 0;
+}
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ASM_SH_FPU_H */
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 7b013aa8c43..b965f0282c7 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -7,7 +7,11 @@
  *
  *  SuperH version:  Copyright (C) 1999, 2000  Niibe Yutaka & Kaz Kojima
  *		     Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC
- *		     Copyright (C) 2002 - 2007  Paul Mundt
+ *		     Copyright (C) 2002 - 2008  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
 #include <linux/module.h>
 #include <linux/mm.h>
@@ -222,10 +226,10 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
 	struct task_struct *tsk = current;
 
 	fpvalid = !!tsk_used_math(tsk);
-	if (fpvalid) {
-		unlazy_fpu(tsk, regs);
-		memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));
-	}
+	if (fpvalid)
+		fpvalid = !fpregs_get(tsk, NULL, 0,
+				      sizeof(struct user_fpu_struct),
+				      fpu, NULL);
 #endif
 
 	return fpvalid;
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index 0f44f2b51a6..29ca09d24ef 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -32,6 +32,7 @@
 #include <asm/processor.h>
 #include <asm/mmu_context.h>
 #include <asm/syscalls.h>
+#include <asm/fpu.h>
 
 /*
  * This routine will get a word off of the process kernel stack.
@@ -145,6 +146,54 @@ static int genregs_set(struct task_struct *target,
 	return ret;
 }
 
+#ifdef CONFIG_SH_FPU
+int fpregs_get(struct task_struct *target,
+	       const struct user_regset *regset,
+	       unsigned int pos, unsigned int count,
+	       void *kbuf, void __user *ubuf)
+{
+	int ret;
+
+	ret = init_fpu(target);
+	if (ret)
+		return ret;
+
+	if ((boot_cpu_data.flags & CPU_HAS_FPU))
+		return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+					   &target->thread.fpu.hard, 0, -1);
+
+	return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+				   &target->thread.fpu.soft, 0, -1);
+}
+
+static int fpregs_set(struct task_struct *target,
+		       const struct user_regset *regset,
+		       unsigned int pos, unsigned int count,
+		       const void *kbuf, const void __user *ubuf)
+{
+	int ret;
+
+	ret = init_fpu(target);
+	if (ret)
+		return ret;
+
+	set_stopped_child_used_math(target);
+
+	if ((boot_cpu_data.flags & CPU_HAS_FPU))
+		return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+					  &target->thread.fpu.hard, 0, -1);
+
+	return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+				  &target->thread.fpu.soft, 0, -1);
+}
+
+static int fpregs_active(struct task_struct *target,
+			 const struct user_regset *regset)
+{
+	return tsk_used_math(target) ? regset->n : 0;
+}
+#endif
+
 #ifdef CONFIG_SH_DSP
 static int dspregs_get(struct task_struct *target,
 		       const struct user_regset *regset,
@@ -194,6 +243,9 @@ static int dspregs_active(struct task_struct *target,
  */
 enum sh_regset {
 	REGSET_GENERAL,
+#ifdef CONFIG_SH_FPU
+	REGSET_FPU,
+#endif
 #ifdef CONFIG_SH_DSP
 	REGSET_DSP,
 #endif
@@ -214,6 +266,18 @@ static const struct user_regset sh_regsets[] = {
 		.set		= genregs_set,
 	},
 
+#ifdef CONFIG_SH_FPU
+	[REGSET_FPU] = {
+		.core_note_type	= NT_PRFPREG,
+		.n		= sizeof(struct user_fpu_struct) / sizeof(long),
+		.size		= sizeof(long),
+		.align		= sizeof(long),
+		.get		= fpregs_get,
+		.set		= fpregs_set,
+		.active		= fpregs_active,
+	},
+#endif
+
 #ifdef CONFIG_SH_DSP
 	[REGSET_DSP] = {
 		.n		= sizeof(struct pt_dspregs) / sizeof(long),
@@ -304,6 +368,18 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 					     REGSET_GENERAL,
 					     0, sizeof(struct pt_regs),
 					     (const void __user *)data);
+#ifdef CONFIG_SH_FPU
+	case PTRACE_GETFPREGS:
+		return copy_regset_to_user(child, &user_sh_native_view,
+					   REGSET_FPU,
+					   0, sizeof(struct user_fpu_struct),
+					   (void __user *)data);
+	case PTRACE_SETFPREGS:
+		return copy_regset_from_user(child, &user_sh_native_view,
+					     REGSET_FPU,
+					     0, sizeof(struct user_fpu_struct),
+					     (const void __user *)data);
+#endif
 #ifdef CONFIG_SH_DSP
 	case PTRACE_GETDSPREGS:
 		return copy_regset_to_user(child, &user_sh_native_view,
-- 
GitLab


From 45f197ade73ba95681b9803680c75352fc0a1c0a Mon Sep 17 00:00:00 2001
From: Andrea Righi <righi.andrea@gmail.com>
Date: Sat, 20 Sep 2008 12:58:40 +0200
Subject: [PATCH 0211/2224] x86, oprofile: BUG: using smp_processor_id() in
 preemptible code

Add __raw access before setting per cpu variable switch_index, to avoid
the following BUG:

[  449.166827] BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/6998
[  449.166848] caller is op_nmi_init+0xf0/0x2b0 [oprofile]
[  449.166855] Pid: 6998, comm: modprobe Not tainted 2.6.27-rc5-mm1 #29
[  449.166860] Call Trace:
[  449.166872]  [<ffffffff80362d67>] debug_smp_processor_id+0xd7/0xe0
[  449.166887]  [<ffffffffa00181c0>] op_nmi_init+0xf0/0x2b0 [oprofile]
[  449.166902]  [<ffffffffa0018000>] oprofile_init+0x0/0x60 [oprofile]
[  449.166915]  [<ffffffffa00180a9>] oprofile_arch_init+0x9/0x30 [oprofile]
[  449.166928]  [<ffffffffa001801e>] oprofile_init+0x1e/0x60 [oprofile]
[  449.166937]  [<ffffffff8020903b>] _stext+0x3b/0x160
[  449.166946]  [<ffffffff80477985>] __mutex_unlock_slowpath+0xe5/0x190
[  449.166955]  [<ffffffff80262c1a>] trace_hardirqs_on_caller+0xca/0x140
[  449.166965]  [<ffffffff8026f7fc>] sys_init_module+0xdc/0x210
[  449.166972]  [<ffffffff8020b7cb>] system_call_fastpath+0x16/0x1b

Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Acked-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/oprofile/nmi_int.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index fb4902bc6f1..4108d02c529 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -551,7 +551,7 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 	}
 
 	/* default values, can be overwritten by model */
-	__get_cpu_var(switch_index) = 0;
+	__raw_get_cpu_var(switch_index) = 0;
 	ops->create_files = nmi_create_files;
 	ops->setup = nmi_setup;
 	ops->shutdown = nmi_shutdown;
-- 
GitLab


From d7cfb60c5cf904ecf1e0ae23ec178175b86f0d4a Mon Sep 17 00:00:00 2001
From: Mark McLoughlin <markmc@redhat.com>
Date: Fri, 19 Sep 2008 13:13:44 +0100
Subject: [PATCH 0212/2224] hrtimer: remove
 hrtimer_clock_base::get_softirq_time()

Peter Zijlstra noticed this 8 months ago and I just noticed
it again.

hrtimer_clock_base::get_softirq_time() is currently unused
in the entire tree. In fact, looking at the logs, it appears
as if it was never used. Remove it.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/hrtimer.h | 2 --
 kernel/hrtimer.c        | 4 +---
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 6d93dce61cb..1b079bd29c3 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -145,7 +145,6 @@ struct hrtimer_sleeper {
  * @first:		pointer to the timer node which expires first
  * @resolution:		the resolution of the clock, in nanoseconds
  * @get_time:		function to retrieve the current time of the clock
- * @get_softirq_time:	function to retrieve the current time from the softirq
  * @softirq_time:	the time when running the hrtimer queue in the softirq
  * @offset:		offset of this clock to the monotonic base
  * @reprogram:		function to reprogram the timer event
@@ -157,7 +156,6 @@ struct hrtimer_clock_base {
 	struct rb_node		*first;
 	ktime_t			resolution;
 	ktime_t			(*get_time)(void);
-	ktime_t			(*get_softirq_time)(void);
 	ktime_t			softirq_time;
 #ifdef CONFIG_HIGH_RES_TIMERS
 	ktime_t			offset;
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 03ea1378c43..4d761d50c52 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1401,9 +1401,7 @@ void hrtimer_run_queues(void)
 		if (!base->first)
 			continue;
 
-		if (base->get_softirq_time)
-			base->softirq_time = base->get_softirq_time();
-		else if (gettime) {
+		if (gettime) {
 			hrtimer_get_softirq_time(cpu_base);
 			gettime = 0;
 		}
-- 
GitLab


From b91c4996df56fcd201f85c392a1de7bc3f6641f5 Mon Sep 17 00:00:00 2001
From: Mark McLoughlin <markmc@redhat.com>
Date: Fri, 19 Sep 2008 13:13:48 +0100
Subject: [PATCH 0213/2224] hrtimer: remove hrtimer_clock_base::reprogram()

hrtimer_clock_base::reprogram() also appears to never
have been used, so remove it.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/hrtimer.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 1b079bd29c3..68b0196d869 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -147,7 +147,6 @@ struct hrtimer_sleeper {
  * @get_time:		function to retrieve the current time of the clock
  * @softirq_time:	the time when running the hrtimer queue in the softirq
  * @offset:		offset of this clock to the monotonic base
- * @reprogram:		function to reprogram the timer event
  */
 struct hrtimer_clock_base {
 	struct hrtimer_cpu_base	*cpu_base;
@@ -159,9 +158,6 @@ struct hrtimer_clock_base {
 	ktime_t			softirq_time;
 #ifdef CONFIG_HIGH_RES_TIMERS
 	ktime_t			offset;
-	int			(*reprogram)(struct hrtimer *t,
-					     struct hrtimer_clock_base *b,
-					     ktime_t n);
 #endif
 };
 
-- 
GitLab


From a0ad05c75aa362c91f4d9cd91ff375a739574dd8 Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Mon, 1 Sep 2008 14:27:02 +0200
Subject: [PATCH 0214/2224] Introduce FW_BUG, FW_WARN and FW_INFO to
 consistenly tell users about BIOS bugs

The idea is to add this to printk after the severity:
printk(KERN_ERR FW_BUG "This is not our fault, BIOS developer: fix it by
simply add ...\n");

If a Firmware issue should be hidden, because it is
work-arounded, but you still want to see something popping up e.g.
for info only:
printk(KERN_INFO FW_INFO "This is done stupid, we can handle it,
but it should better be avoided in future\n");

or on the Linuxfirmwarekit to tell vendors that they did something
stupid or wrong without bothering the user:
printk(KERN_INFO FW_BUG "This is done stupid, we can handle it,
but it should better be avoided in future\n");

Some use cases:
  - If a user sees a [Firmware Bug] message in the kernel
    he should first update the BIOS before wasting time with
    debugging and submiting on old firmware code to mailing
    lists.

  - The linuxfirmwarekit (http://www.linuxfirmwarekit.org)
    tries to detect firmware bugs. It currently is doing that
    in userspace which results in:
        - Huge test scripts that could be a one liner in the kernel
        - A lot of BIOS bugs are already absorbed by the kernel

What do we need such a stupid linuxfirmwarekit for?

  - Vendors: Can test their BIOSes for Linux compatibility.
    There will be the time when vendors realize that the test utils
    on Linux are more strict and using them increases the qualitity
    and stability of their products.

  - Vendors: Can easily fix up their BIOSes and be more Linux
    compatible by:
    dmesg |grep "Firmware Bug"
    and send the result to their BIOS developer colleagues who should
    know what the messages are about and how to fix them, without
    the need of studying kernel code.

  - Distributions: can do a first automated HW/BIOS checks.
    This can then be done without the need of asking kernel developers
    who need to dig down the code and explain the details.
    Certification can/will just be rejected until
    dmesg |grep "Firmware Bug" is empty.

  - Thus this can be used as an instrument to enforce cleaner BIOS
    code. Currently every stupid Windows ACPI bug is
    re-implemented in Linux which is a rather unfortunate situation.
    We already have the power to avoid this in e.g. memory
    or cpu hot-plug ACPI implementations, because Linux certification
    is a must for most vendors in the server area.
    Working towards being able to do that in the laptop area
    (vendors are starting to look at Linux here also and will use this tool)
    is the goal. At least provide them a tool to make it as easy
    for this guys (e.g. not needing to browse kernel code) as possible.

  - The ordinary Linux user: can go into the next shop, boots the
    firmwarekit on his most preferred machines. He chooses one without
    BIOS bugs. Unsupported HW is ok, he likes to try out latest projects
    which might support them or likes to dig on it on his own, but he
    hates to workaround broken BIOSes like hell.

I double checked with the firmwarekit.
There they have:
So the mapping generally is (also depending on how likely the BIOS is
to blame, this could sometimes be difficult):
FW_INFO  = INFO
FW_WARN  = WARN
FW_BUG   = FAIL

For more info about the linuxfirmwarekit and why this is needed
can be found here:
http://www.linuxfirmwarekit.org

While severity matches with the firmwarekit, it might be tricky
to hide messages from the user.
E.g. we recently found out that on HP BIOSes negative temperatures
are returned, which seem to indicate that the thermal zone is
invalid.
We can work around that gracefully by ignoring the thermal zone
and we do not want to bother the ordinary user with a frightening
message: Firmware Bug: thermal management absolutely broken
but want to hide it from the user.

But in the linuxfirmwarekit this should be shown as a real
show stopper (the temperatures could really be wrong,
broken thermal management is one of the worst things
that can happen and the BIOS guys of the machine must
implement this properly).

It is intended to do that (hide it from the user with
KERN_INFO msg, but still print it as a BIOS bug) by:
printk(KERN_INFO FW_BUG "Negativ temperature values detected.
Try to workarounded, BIOS must get fixed\n");
Hope that works out..., no idea how to better hide it
as printk is the only way to easily provide this functionality.

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/linux/kernel.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2651f805ba6..0b19848e380 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -190,6 +190,30 @@ extern int kernel_text_address(unsigned long addr);
 struct pid;
 extern struct pid *session_of_pgrp(struct pid *pgrp);
 
+/*
+ * FW_BUG
+ * Add this to a message where you are sure the firmware is buggy or behaves
+ * really stupid or out of spec. Be aware that the responsible BIOS developer
+ * should be able to fix this issue or at least get a concrete idea of the
+ * problem by reading your message without the need of looking at the kernel
+ * code.
+ * 
+ * Use it for definite and high priority BIOS bugs.
+ *
+ * FW_WARN
+ * Use it for not that clear (e.g. could the kernel messed up things already?)
+ * and medium priority BIOS bugs.
+ *
+ * FW_INFO
+ * Use this one if you want to tell the user or vendor about something
+ * suspicious, but generally harmless related to the firmware.
+ *
+ * Use it for information or very low priority BIOS bugs.
+ */
+#define FW_BUG		"[Firmware Bug]: "
+#define FW_WARN		"[Firmware Warn]: "
+#define FW_INFO		"[Firmware Info]: "
+
 #ifdef CONFIG_PRINTK
 asmlinkage int vprintk(const char *fmt, va_list args)
 	__attribute__ ((format (printf, 1, 0)));
-- 
GitLab


From 910dfae298f7b3dae0e9a52736182a3b0559ca35 Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Mon, 1 Sep 2008 14:27:04 +0200
Subject: [PATCH 0215/2224] ACPI: cpufreq, processor: Detect old BIOS, not
 supporting CPU freq on a recent CPU.

On Intel CPUs it is rather common and a good hint that BIOSes which do provide
_PPC func, but not the frequencies itself in _PSS function, are old and need
to be updated for CPU freq support.

Tell the user/vendor he has a BIOS/firmware problem.
Make use of FW_BUG interface to give vendors and users the ability to
automatically check with (or let linuxfirmwarekit do that):
dmesg |grep "Firmware Bug"

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/processor_perflib.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 80c251ec6d2..242f8143008 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -38,6 +38,7 @@
 
 #include <asm/uaccess.h>
 #endif
+#include <asm/cpufeature.h>
 
 #include <acpi/acpi_bus.h>
 #include <acpi/processor.h>
@@ -334,7 +335,6 @@ static int acpi_processor_get_performance_info(struct acpi_processor *pr)
 	acpi_status status = AE_OK;
 	acpi_handle handle = NULL;
 
-
 	if (!pr || !pr->performance || !pr->handle)
 		return -EINVAL;
 
@@ -347,13 +347,25 @@ static int acpi_processor_get_performance_info(struct acpi_processor *pr)
 
 	result = acpi_processor_get_performance_control(pr);
 	if (result)
-		return result;
+		goto update_bios;
 
 	result = acpi_processor_get_performance_states(pr);
 	if (result)
-		return result;
+		goto update_bios;
 
 	return 0;
+
+	/*
+	 * Having _PPC but missing frequencies (_PSS, _PCT) is a very good hint that
+	 * the BIOS is older than the CPU and does not know its frequencies
+	 */
+ update_bios:
+	if (ACPI_SUCCESS(acpi_get_handle(pr->handle, "_PPC", &handle))){
+		if(boot_cpu_has(X86_FEATURE_EST))
+			printk(KERN_WARNING FW_BUG "BIOS needs update for CPU "
+			       "frequency support\n");
+	}
+	return result;
 }
 
 int acpi_processor_notify_smm(struct module *calling_module)
-- 
GitLab


From 2fd47094f92fa2bdbf99be33294a7b6b97785a70 Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Mon, 1 Sep 2008 14:27:03 +0200
Subject: [PATCH 0216/2224] CPUFREQ: powernow-k8: Try to detect old BIOS, not
 supporting CPU freq on a recent AMD CPUs.

Make use of FW_BUG interface to give vendors and users the ability to
automatically check for powernow-k8 related BIOS bugs by:
dmesg |grep "Firmware Bug"

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 42 +++++++++++++----------
 1 file changed, 24 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 84bb395038d..4e0c6abd7ca 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -45,7 +45,6 @@
 #endif
 
 #define PFX "powernow-k8: "
-#define BFX PFX "BIOS error: "
 #define VERSION "version 2.20.00"
 #include "powernow-k8.h"
 
@@ -536,35 +535,40 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, u8
 
 	for (j = 0; j < data->numps; j++) {
 		if (pst[j].vid > LEAST_VID) {
-			printk(KERN_ERR PFX "vid %d invalid : 0x%x\n", j, pst[j].vid);
+			printk(KERN_ERR FW_BUG PFX "vid %d invalid : 0x%x\n",
+			       j, pst[j].vid);
 			return -EINVAL;
 		}
 		if (pst[j].vid < data->rvo) {	/* vid + rvo >= 0 */
-			printk(KERN_ERR BFX "0 vid exceeded with pstate %d\n", j);
+			printk(KERN_ERR FW_BUG PFX "0 vid exceeded with pstate"
+			       " %d\n", j);
 			return -ENODEV;
 		}
 		if (pst[j].vid < maxvid + data->rvo) {	/* vid + rvo >= maxvid */
-			printk(KERN_ERR BFX "maxvid exceeded with pstate %d\n", j);
+			printk(KERN_ERR FW_BUG PFX "maxvid exceeded with pstate"
+			       " %d\n", j);
 			return -ENODEV;
 		}
 		if (pst[j].fid > MAX_FID) {
-			printk(KERN_ERR BFX "maxfid exceeded with pstate %d\n", j);
+			printk(KERN_ERR FW_BUG PFX "maxfid exceeded with pstate"
+			       " %d\n", j);
 			return -ENODEV;
 		}
 		if (j && (pst[j].fid < HI_FID_TABLE_BOTTOM)) {
 			/* Only first fid is allowed to be in "low" range */
-			printk(KERN_ERR BFX "two low fids - %d : 0x%x\n", j, pst[j].fid);
+			printk(KERN_ERR FW_BUG PFX "two low fids - %d : "
+			       "0x%x\n", j, pst[j].fid);
 			return -EINVAL;
 		}
 		if (pst[j].fid < lastfid)
 			lastfid = pst[j].fid;
 	}
 	if (lastfid & 1) {
-		printk(KERN_ERR BFX "lastfid invalid\n");
+		printk(KERN_ERR FW_BUG PFX "lastfid invalid\n");
 		return -EINVAL;
 	}
 	if (lastfid > LO_FID_TABLE_TOP)
-		printk(KERN_INFO BFX  "first fid not from lo freq table\n");
+		printk(KERN_INFO FW_BUG PFX  "first fid not from lo freq table\n");
 
 	return 0;
 }
@@ -672,13 +676,13 @@ static int find_psb_table(struct powernow_k8_data *data)
 
 		dprintk("table vers: 0x%x\n", psb->tableversion);
 		if (psb->tableversion != PSB_VERSION_1_4) {
-			printk(KERN_ERR BFX "PSB table is not v1.4\n");
+			printk(KERN_ERR FW_BUG PFX "PSB table is not v1.4\n");
 			return -ENODEV;
 		}
 
 		dprintk("flags: 0x%x\n", psb->flags1);
 		if (psb->flags1) {
-			printk(KERN_ERR BFX "unknown flags\n");
+			printk(KERN_ERR FW_BUG PFX "unknown flags\n");
 			return -ENODEV;
 		}
 
@@ -705,7 +709,7 @@ static int find_psb_table(struct powernow_k8_data *data)
 			}
 		}
 		if (cpst != 1) {
-			printk(KERN_ERR BFX "numpst must be 1\n");
+			printk(KERN_ERR FW_BUG PFX "numpst must be 1\n");
 			return -ENODEV;
 		}
 
@@ -1130,17 +1134,19 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
 			       "ACPI Processor module before starting this "
 			       "driver.\n");
 #else
-			printk(KERN_ERR PFX "Your BIOS does not provide ACPI "
-			       "_PSS objects in a way that Linux understands. "
-			       "Please report this to the Linux ACPI maintainers"
-			       " and complain to your BIOS vendor.\n");
+			printk(KERN_ERR FW_BUG PFX "Your BIOS does not provide"
+			       " ACPI _PSS objects in a way that Linux "
+			       "understands. Please report this to the Linux "
+			       "ACPI maintainers and complain to your BIOS "
+			       "vendor.\n");
 #endif
 			kfree(data);
 			return -ENODEV;
 		}
 		if (pol->cpu != 0) {
-			printk(KERN_ERR PFX "No ACPI _PSS objects for CPU other than "
-			       "CPU0. Complain to your BIOS vendor.\n");
+			printk(KERN_ERR FW_BUG PFX "No ACPI _PSS objects for "
+			       "CPU other than CPU0. Complain to your BIOS "
+			       "vendor.\n");
 			kfree(data);
 			return -ENODEV;
 		}
@@ -1193,7 +1199,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
 
 	/* min/max the cpu is capable of */
 	if (cpufreq_frequency_table_cpuinfo(pol, data->powernow_table)) {
-		printk(KERN_ERR PFX "invalid powernow_table\n");
+		printk(KERN_ERR FW_BUG PFX "invalid powernow_table\n");
 		powernow_k8_cpu_exit_acpi(data);
 		kfree(data->powernow_table);
 		kfree(data);
-- 
GitLab


From bb34d92f643086d546b49cef680f6f305ed84414 Mon Sep 17 00:00:00 2001
From: Frank Mayhar <fmayhar@google.com>
Date: Fri, 12 Sep 2008 09:54:39 -0700
Subject: [PATCH 0217/2224] timers: fix itimer/many thread hang, v2

This is the second resubmission of the posix timer rework patch, posted
a few days ago.

This includes the changes from the previous resubmittion, which addressed
Oleg Nesterov's comments, removing the RCU stuff from the patch and
un-inlining the thread_group_cputime() function for SMP.

In addition, per Ingo Molnar it simplifies the UP code, consolidating much
of it with the SMP version and depending on lower-level SMP/UP handling to
take care of the differences.

It also cleans up some UP compile errors, moves the scheduler stats-related
macros into kernel/sched_stats.h, cleans up a merge error in
kernel/fork.c and has a few other minor fixes and cleanups as suggested
by Oleg and Ingo. Thanks for the review, guys.

Signed-off-by: Frank Mayhar <fmayhar@google.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/kernel_stat.h |   1 +
 include/linux/sched.h       | 183 +-----------------------------------
 kernel/fork.c               |   5 +-
 kernel/posix-cpu-timers.c   | 153 +++++++++++++-----------------
 kernel/sched.c              |  47 ++-------
 kernel/sched_stats.h        | 136 +++++++++++++++++++++++++++
 6 files changed, 214 insertions(+), 311 deletions(-)

diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index cf9f40a91c9..cac3750cd65 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -52,6 +52,7 @@ static inline int kstat_irqs(int irq)
 	return sum;
 }
 
+extern unsigned long long task_delta_exec(struct task_struct *);
 extern void account_user_time(struct task_struct *, cputime_t);
 extern void account_user_time_scaled(struct task_struct *, cputime_t);
 extern void account_system_time(struct task_struct *, int, cputime_t);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7ce8d4e5356..b982fb48c8f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -454,15 +454,9 @@ struct task_cputime {
  * This structure contains the version of task_cputime, above, that is
  * used for thread group CPU clock calculations.
  */
-#ifdef CONFIG_SMP
 struct thread_group_cputime {
 	struct task_cputime *totals;
 };
-#else
-struct thread_group_cputime {
-	struct task_cputime totals;
-};
-#endif
 
 /*
  * NOTE! "signal_struct" does not have it's own
@@ -2124,193 +2118,26 @@ static inline int spin_needbreak(spinlock_t *lock)
 /*
  * Thread group CPU time accounting.
  */
-#ifdef CONFIG_SMP
 
-extern int thread_group_cputime_alloc_smp(struct task_struct *);
-extern void thread_group_cputime_smp(struct task_struct *, struct task_cputime *);
+extern int thread_group_cputime_alloc(struct task_struct *);
+extern void thread_group_cputime(struct task_struct *, struct task_cputime *);
 
 static inline void thread_group_cputime_init(struct signal_struct *sig)
 {
 	sig->cputime.totals = NULL;
 }
 
-static inline int thread_group_cputime_clone_thread(struct task_struct *curr,
-						    struct task_struct *new)
+static inline int thread_group_cputime_clone_thread(struct task_struct *curr)
 {
 	if (curr->signal->cputime.totals)
 		return 0;
-	return thread_group_cputime_alloc_smp(curr);
+	return thread_group_cputime_alloc(curr);
 }
 
-static inline void thread_group_cputime_free(struct signal_struct *sig)
-{
-	free_percpu(sig->cputime.totals);
-}
-
-/**
- * thread_group_cputime - Sum the thread group time fields across all CPUs.
- *
- * This is a wrapper for the real routine, thread_group_cputime_smp().  See
- * that routine for details.
- */
-static inline void thread_group_cputime(
-	struct task_struct *tsk,
-	struct task_cputime *times)
-{
-	thread_group_cputime_smp(tsk, times);
-}
-
-/**
- * thread_group_cputime_account_user - Maintain utime for a thread group.
- *
- * @tgtimes:	Pointer to thread_group_cputime structure.
- * @cputime:	Time value by which to increment the utime field of that
- *		structure.
- *
- * If thread group time is being maintained, get the structure for the
- * running CPU and update the utime field there.
- */
-static inline void thread_group_cputime_account_user(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
-{
-	if (tgtimes->totals) {
-		struct task_cputime *times;
-
-		times = per_cpu_ptr(tgtimes->totals, get_cpu());
-		times->utime = cputime_add(times->utime, cputime);
-		put_cpu_no_resched();
-	}
-}
-
-/**
- * thread_group_cputime_account_system - Maintain stime for a thread group.
- *
- * @tgtimes:	Pointer to thread_group_cputime structure.
- * @cputime:	Time value by which to increment the stime field of that
- *		structure.
- *
- * If thread group time is being maintained, get the structure for the
- * running CPU and update the stime field there.
- */
-static inline void thread_group_cputime_account_system(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
-{
-	if (tgtimes->totals) {
-		struct task_cputime *times;
-
-		times = per_cpu_ptr(tgtimes->totals, get_cpu());
-		times->stime = cputime_add(times->stime, cputime);
-		put_cpu_no_resched();
-	}
-}
-
-/**
- * thread_group_cputime_account_exec_runtime - Maintain exec runtime for a
- *						thread group.
- *
- * @tgtimes:	Pointer to thread_group_cputime structure.
- * @ns:		Time value by which to increment the sum_exec_runtime field
- *		of that structure.
- *
- * If thread group time is being maintained, get the structure for the
- * running CPU and update the sum_exec_runtime field there.
- */
-static inline void thread_group_cputime_account_exec_runtime(
-	struct thread_group_cputime *tgtimes,
-	unsigned long long ns)
-{
-	if (tgtimes->totals) {
-		struct task_cputime *times;
-
-		times = per_cpu_ptr(tgtimes->totals, get_cpu());
-		times->sum_exec_runtime += ns;
-		put_cpu_no_resched();
-	}
-}
-
-#else /* CONFIG_SMP */
-
-static inline void thread_group_cputime_init(struct signal_struct *sig)
-{
-	sig->cputime.totals.utime = cputime_zero;
-	sig->cputime.totals.stime = cputime_zero;
-	sig->cputime.totals.sum_exec_runtime = 0;
-}
-
-static inline int thread_group_cputime_alloc(struct task_struct *tsk)
-{
-	return 0;
-}
 
 static inline void thread_group_cputime_free(struct signal_struct *sig)
 {
-}
-
-static inline int thread_group_cputime_clone_thread(struct task_struct *curr,
-						     struct task_struct *tsk)
-{
-	return 0;
-}
-
-static inline void thread_group_cputime(struct task_struct *tsk,
-					 struct task_cputime *cputime)
-{
-	*cputime = tsk->signal->cputime.totals;
-}
-
-static inline void thread_group_cputime_account_user(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
-{
-	tgtimes->totals.utime = cputime_add(tgtimes->totals.utime, cputime);
-}
-
-static inline void thread_group_cputime_account_system(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
-{
-	tgtimes->totals.stime = cputime_add(tgtimes->totals.stime, cputime);
-}
-
-static inline void thread_group_cputime_account_exec_runtime(
-	struct thread_group_cputime *tgtimes,
-	unsigned long long ns)
-{
-	tgtimes->totals.sum_exec_runtime += ns;
-}
-
-#endif /* CONFIG_SMP */
-
-static inline void account_group_user_time(struct task_struct *tsk,
-					    cputime_t cputime)
-{
-	struct signal_struct *sig;
-
-	sig = tsk->signal;
-	if (likely(sig))
-		thread_group_cputime_account_user(&sig->cputime, cputime);
-}
-
-static inline void account_group_system_time(struct task_struct *tsk,
-					      cputime_t cputime)
-{
-	struct signal_struct *sig;
-
-	sig = tsk->signal;
-	if (likely(sig))
-		thread_group_cputime_account_system(&sig->cputime, cputime);
-}
-
-static inline void account_group_exec_runtime(struct task_struct *tsk,
-					       unsigned long long ns)
-{
-	struct signal_struct *sig;
-
-	sig = tsk->signal;
-	if (likely(sig))
-		thread_group_cputime_account_exec_runtime(&sig->cputime, ns);
+	free_percpu(sig->cputime.totals);
 }
 
 /*
diff --git a/kernel/fork.c b/kernel/fork.c
index 1181b9aac48..021ae012cc7 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -791,7 +791,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	int ret;
 
 	if (clone_flags & CLONE_THREAD) {
-		ret = thread_group_cputime_clone_thread(current, tsk);
+		ret = thread_group_cputime_clone_thread(current);
 		if (likely(!ret)) {
 			atomic_inc(&current->signal->count);
 			atomic_inc(&current->signal->live);
@@ -834,9 +834,6 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
 	sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
 	task_io_accounting_init(&sig->ioac);
-	INIT_LIST_HEAD(&sig->cpu_timers[0]);
-	INIT_LIST_HEAD(&sig->cpu_timers[1]);
-	INIT_LIST_HEAD(&sig->cpu_timers[2]);
 	taskstats_tgid_init(sig);
 
 	task_lock(current->group_leader);
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index 9a7ea049fcd..153dcb2639c 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -7,50 +7,46 @@
 #include <linux/errno.h>
 #include <linux/math64.h>
 #include <asm/uaccess.h>
+#include <linux/kernel_stat.h>
 
-#ifdef CONFIG_SMP
 /*
- * Allocate the thread_group_cputime structure appropriately for SMP kernels
- * and fill in the current values of the fields.  Called from copy_signal()
- * via thread_group_cputime_clone_thread() when adding a second or subsequent
+ * Allocate the thread_group_cputime structure appropriately and fill in the
+ * current values of the fields.  Called from copy_signal() via
+ * thread_group_cputime_clone_thread() when adding a second or subsequent
  * thread to a thread group.  Assumes interrupts are enabled when called.
  */
-int thread_group_cputime_alloc_smp(struct task_struct *tsk)
+int thread_group_cputime_alloc(struct task_struct *tsk)
 {
 	struct signal_struct *sig = tsk->signal;
 	struct task_cputime *cputime;
 
 	/*
 	 * If we have multiple threads and we don't already have a
-	 * per-CPU task_cputime struct, allocate one and fill it in with
-	 * the times accumulated so far.
+	 * per-CPU task_cputime struct (checked in the caller), allocate
+	 * one and fill it in with the times accumulated so far.  We may
+	 * race with another thread so recheck after we pick up the sighand
+	 * lock.
 	 */
-	if (sig->cputime.totals)
-		return 0;
 	cputime = alloc_percpu(struct task_cputime);
 	if (cputime == NULL)
 		return -ENOMEM;
-	read_lock(&tasklist_lock);
 	spin_lock_irq(&tsk->sighand->siglock);
 	if (sig->cputime.totals) {
 		spin_unlock_irq(&tsk->sighand->siglock);
-		read_unlock(&tasklist_lock);
 		free_percpu(cputime);
 		return 0;
 	}
 	sig->cputime.totals = cputime;
-	cputime = per_cpu_ptr(sig->cputime.totals, get_cpu());
+	cputime = per_cpu_ptr(sig->cputime.totals, smp_processor_id());
 	cputime->utime = tsk->utime;
 	cputime->stime = tsk->stime;
 	cputime->sum_exec_runtime = tsk->se.sum_exec_runtime;
-	put_cpu_no_resched();
 	spin_unlock_irq(&tsk->sighand->siglock);
-	read_unlock(&tasklist_lock);
 	return 0;
 }
 
 /**
- * thread_group_cputime_smp - Sum the thread group time fields across all CPUs.
+ * thread_group_cputime - Sum the thread group time fields across all CPUs.
  *
  * @tsk:	The task we use to identify the thread group.
  * @times:	task_cputime structure in which we return the summed fields.
@@ -58,7 +54,7 @@ int thread_group_cputime_alloc_smp(struct task_struct *tsk)
  * Walk the list of CPUs to sum the per-CPU time fields in the thread group
  * time structure.
  */
-void thread_group_cputime_smp(
+void thread_group_cputime(
 	struct task_struct *tsk,
 	struct task_cputime *times)
 {
@@ -83,8 +79,6 @@ void thread_group_cputime_smp(
 	}
 }
 
-#endif /* CONFIG_SMP */
-
 /*
  * Called after updating RLIMIT_CPU to set timer expiration if necessary.
  */
@@ -300,7 +294,7 @@ static int cpu_clock_sample(const clockid_t which_clock, struct task_struct *p,
 		cpu->cpu = virt_ticks(p);
 		break;
 	case CPUCLOCK_SCHED:
-		cpu->sched = task_sched_runtime(p);
+		cpu->sched = p->se.sum_exec_runtime + task_delta_exec(p);
 		break;
 	}
 	return 0;
@@ -309,16 +303,15 @@ static int cpu_clock_sample(const clockid_t which_clock, struct task_struct *p,
 /*
  * Sample a process (thread group) clock for the given group_leader task.
  * Must be called with tasklist_lock held for reading.
- * Must be called with tasklist_lock held for reading, and p->sighand->siglock.
  */
-static int cpu_clock_sample_group_locked(unsigned int clock_idx,
-					 struct task_struct *p,
-					 union cpu_time_count *cpu)
+static int cpu_clock_sample_group(const clockid_t which_clock,
+				  struct task_struct *p,
+				  union cpu_time_count *cpu)
 {
 	struct task_cputime cputime;
 
 	thread_group_cputime(p, &cputime);
-	switch (clock_idx) {
+	switch (which_clock) {
 	default:
 		return -EINVAL;
 	case CPUCLOCK_PROF:
@@ -328,29 +321,12 @@ static int cpu_clock_sample_group_locked(unsigned int clock_idx,
 		cpu->cpu = cputime.utime;
 		break;
 	case CPUCLOCK_SCHED:
-		cpu->sched = thread_group_sched_runtime(p);
+		cpu->sched = cputime.sum_exec_runtime + task_delta_exec(p);
 		break;
 	}
 	return 0;
 }
 
-/*
- * Sample a process (thread group) clock for the given group_leader task.
- * Must be called with tasklist_lock held for reading.
- */
-static int cpu_clock_sample_group(const clockid_t which_clock,
-				  struct task_struct *p,
-				  union cpu_time_count *cpu)
-{
-	int ret;
-	unsigned long flags;
-	spin_lock_irqsave(&p->sighand->siglock, flags);
-	ret = cpu_clock_sample_group_locked(CPUCLOCK_WHICH(which_clock), p,
-					    cpu);
-	spin_unlock_irqrestore(&p->sighand->siglock, flags);
-	return ret;
-}
-
 
 int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *tp)
 {
@@ -1324,29 +1300,37 @@ static inline int task_cputime_expired(const struct task_cputime *sample,
  * fastpath_timer_check - POSIX CPU timers fast path.
  *
  * @tsk:	The task (thread) being checked.
- * @sig:	The signal pointer for that task.
  *
- * If there are no timers set return false.  Otherwise snapshot the task and
- * thread group timers, then compare them with the corresponding expiration
- # times.  Returns true if a timer has expired, else returns false.
+ * Check the task and thread group timers.  If both are zero (there are no
+ * timers set) return false.  Otherwise snapshot the task and thread group
+ * timers and compare them with the corresponding expiration times.  Return
+ * true if a timer has expired, else return false.
  */
-static inline int fastpath_timer_check(struct task_struct *tsk,
-					struct signal_struct *sig)
+static inline int fastpath_timer_check(struct task_struct *tsk)
 {
-	struct task_cputime task_sample = {
-		.utime = tsk->utime,
-		.stime = tsk->stime,
-		.sum_exec_runtime = tsk->se.sum_exec_runtime
-	};
-	struct task_cputime group_sample;
+	struct signal_struct *sig = tsk->signal;
 
-	if (task_cputime_zero(&tsk->cputime_expires) &&
-	    task_cputime_zero(&sig->cputime_expires))
+	if (unlikely(!sig))
 		return 0;
-	if (task_cputime_expired(&task_sample, &tsk->cputime_expires))
-		return 1;
-	thread_group_cputime(tsk, &group_sample);
-	return task_cputime_expired(&group_sample, &sig->cputime_expires);
+
+	if (!task_cputime_zero(&tsk->cputime_expires)) {
+		struct task_cputime task_sample = {
+			.utime = tsk->utime,
+			.stime = tsk->stime,
+			.sum_exec_runtime = tsk->se.sum_exec_runtime
+		};
+
+		if (task_cputime_expired(&task_sample, &tsk->cputime_expires))
+			return 1;
+	}
+	if (!task_cputime_zero(&sig->cputime_expires)) {
+		struct task_cputime group_sample;
+
+		thread_group_cputime(tsk, &group_sample);
+		if (task_cputime_expired(&group_sample, &sig->cputime_expires))
+			return 1;
+	}
+	return 0;
 }
 
 /*
@@ -1358,43 +1342,34 @@ void run_posix_cpu_timers(struct task_struct *tsk)
 {
 	LIST_HEAD(firing);
 	struct k_itimer *timer, *next;
-	struct signal_struct *sig;
-	struct sighand_struct *sighand;
-	unsigned long flags;
 
 	BUG_ON(!irqs_disabled());
 
-	/* Pick up tsk->signal and make sure it's valid. */
-	sig = tsk->signal;
 	/*
 	 * The fast path checks that there are no expired thread or thread
-	 * group timers.  If that's so, just return.  Also check that
-	 * tsk->signal is non-NULL; this probably can't happen but cover the
-	 * possibility anyway.
+	 * group timers.  If that's so, just return.
 	 */
-	if (unlikely(!sig) || !fastpath_timer_check(tsk, sig))
+	if (!fastpath_timer_check(tsk))
 		return;
 
-	sighand = lock_task_sighand(tsk, &flags);
-	if (likely(sighand)) {
-		/*
-		 * Here we take off tsk->signal->cpu_timers[N] and
-		 * tsk->cpu_timers[N] all the timers that are firing, and
-		 * put them on the firing list.
-		 */
-		check_thread_timers(tsk, &firing);
-		check_process_timers(tsk, &firing);
+	spin_lock(&tsk->sighand->siglock);
+	/*
+	 * Here we take off tsk->signal->cpu_timers[N] and
+	 * tsk->cpu_timers[N] all the timers that are firing, and
+	 * put them on the firing list.
+	 */
+	check_thread_timers(tsk, &firing);
+	check_process_timers(tsk, &firing);
 
-		/*
-		 * We must release these locks before taking any timer's lock.
-		 * There is a potential race with timer deletion here, as the
-		 * siglock now protects our private firing list.  We have set
-		 * the firing flag in each timer, so that a deletion attempt
-		 * that gets the timer lock before we do will give it up and
-		 * spin until we've taken care of that timer below.
-		 */
-	}
-	unlock_task_sighand(tsk, &flags);
+	/*
+	 * We must release these locks before taking any timer's lock.
+	 * There is a potential race with timer deletion here, as the
+	 * siglock now protects our private firing list.  We have set
+	 * the firing flag in each timer, so that a deletion attempt
+	 * that gets the timer lock before we do will give it up and
+	 * spin until we've taken care of that timer below.
+	 */
+	spin_unlock(&tsk->sighand->siglock);
 
 	/*
 	 * Now that all the timers on our list have the firing flag,
@@ -1433,7 +1408,7 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
 	struct list_head *head;
 
 	BUG_ON(clock_idx == CPUCLOCK_SCHED);
-	cpu_clock_sample_group_locked(clock_idx, tsk, &now);
+	cpu_clock_sample_group(clock_idx, tsk, &now);
 
 	if (oldval) {
 		if (!cputime_eq(*oldval, cputime_zero)) {
diff --git a/kernel/sched.c b/kernel/sched.c
index c51b5d27666..260c22cc530 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4039,55 +4039,22 @@ EXPORT_PER_CPU_SYMBOL(kstat);
 /*
  * Return any ns on the sched_clock that have not yet been banked in
  * @p in case that task is currently running.
- *
- * Called with task_rq_lock() held on @rq.
  */
-static unsigned long long task_delta_exec(struct task_struct *p, struct rq *rq)
+unsigned long long task_delta_exec(struct task_struct *p)
 {
+	struct rq *rq;
+	unsigned long flags;
+	u64 ns = 0;
+
+	rq = task_rq_lock(p, &flags);
 	if (task_current(rq, p)) {
 		u64 delta_exec;
 
 		update_rq_clock(rq);
 		delta_exec = rq->clock - p->se.exec_start;
 		if ((s64)delta_exec > 0)
-			return delta_exec;
+			ns = delta_exec;
 	}
-	return 0;
-}
-
-/*
- * Return p->sum_exec_runtime plus any more ns on the sched_clock
- * that have not yet been banked in case the task is currently running.
- */
-unsigned long long task_sched_runtime(struct task_struct *p)
-{
-	unsigned long flags;
-	u64 ns;
-	struct rq *rq;
-
-	rq = task_rq_lock(p, &flags);
-	ns = p->se.sum_exec_runtime + task_delta_exec(p, rq);
-	task_rq_unlock(rq, &flags);
-
-	return ns;
-}
-
-/*
- * Return sum_exec_runtime for the thread group plus any more ns on the
- * sched_clock that have not yet been banked in case the task is currently
- * running.
- */
-unsigned long long thread_group_sched_runtime(struct task_struct *p)
-{
-	unsigned long flags;
-	u64 ns;
-	struct rq *rq;
-	struct task_cputime totals;
-
-	rq = task_rq_lock(p, &flags);
-	thread_group_cputime(p, &totals);
-	ns = totals.sum_exec_runtime + task_delta_exec(p, rq);
-	task_rq_unlock(rq, &flags);
 
 	return ns;
 }
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index 8385d43987e..d6903bd0c7a 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -270,3 +270,139 @@ sched_info_switch(struct task_struct *prev, struct task_struct *next)
 #define sched_info_switch(t, next)		do { } while (0)
 #endif /* CONFIG_SCHEDSTATS || CONFIG_TASK_DELAY_ACCT */
 
+/*
+ * The following are functions that support scheduler-internal time accounting.
+ * These functions are generally called at the timer tick.  None of this depends
+ * on CONFIG_SCHEDSTATS.
+ */
+
+#ifdef CONFIG_SMP
+
+/**
+ * thread_group_cputime_account_user - Maintain utime for a thread group.
+ *
+ * @tgtimes:	Pointer to thread_group_cputime structure.
+ * @cputime:	Time value by which to increment the utime field of that
+ *		structure.
+ *
+ * If thread group time is being maintained, get the structure for the
+ * running CPU and update the utime field there.
+ */
+static inline void thread_group_cputime_account_user(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	if (tgtimes->totals) {
+		struct task_cputime *times;
+
+		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times->utime = cputime_add(times->utime, cputime);
+		put_cpu_no_resched();
+	}
+}
+
+/**
+ * thread_group_cputime_account_system - Maintain stime for a thread group.
+ *
+ * @tgtimes:	Pointer to thread_group_cputime structure.
+ * @cputime:	Time value by which to increment the stime field of that
+ *		structure.
+ *
+ * If thread group time is being maintained, get the structure for the
+ * running CPU and update the stime field there.
+ */
+static inline void thread_group_cputime_account_system(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	if (tgtimes->totals) {
+		struct task_cputime *times;
+
+		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times->stime = cputime_add(times->stime, cputime);
+		put_cpu_no_resched();
+	}
+}
+
+/**
+ * thread_group_cputime_account_exec_runtime - Maintain exec runtime for a
+ *						thread group.
+ *
+ * @tgtimes:	Pointer to thread_group_cputime structure.
+ * @ns:		Time value by which to increment the sum_exec_runtime field
+ *		of that structure.
+ *
+ * If thread group time is being maintained, get the structure for the
+ * running CPU and update the sum_exec_runtime field there.
+ */
+static inline void thread_group_cputime_account_exec_runtime(
+	struct thread_group_cputime *tgtimes,
+	unsigned long long ns)
+{
+	if (tgtimes->totals) {
+		struct task_cputime *times;
+
+		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times->sum_exec_runtime += ns;
+		put_cpu_no_resched();
+	}
+}
+
+#else /* CONFIG_SMP */
+
+static inline void thread_group_cputime_account_user(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	tgtimes->totals->utime = cputime_add(tgtimes->totals->utime, cputime);
+}
+
+static inline void thread_group_cputime_account_system(
+	struct thread_group_cputime *tgtimes,
+	cputime_t cputime)
+{
+	tgtimes->totals->stime = cputime_add(tgtimes->totals->stime, cputime);
+}
+
+static inline void thread_group_cputime_account_exec_runtime(
+	struct thread_group_cputime *tgtimes,
+	unsigned long long ns)
+{
+	tgtimes->totals->sum_exec_runtime += ns;
+}
+
+#endif /* CONFIG_SMP */
+
+/*
+ * These are the generic time-accounting routines that use the above
+ * functions.  They are the functions actually called by the scheduler.
+ */
+static inline void account_group_user_time(struct task_struct *tsk,
+					    cputime_t cputime)
+{
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (likely(sig))
+		thread_group_cputime_account_user(&sig->cputime, cputime);
+}
+
+static inline void account_group_system_time(struct task_struct *tsk,
+					      cputime_t cputime)
+{
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (likely(sig))
+		thread_group_cputime_account_system(&sig->cputime, cputime);
+}
+
+static inline void account_group_exec_runtime(struct task_struct *tsk,
+					       unsigned long long ns)
+{
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (likely(sig))
+		thread_group_cputime_account_exec_runtime(&sig->cputime, ns);
+}
-- 
GitLab


From 59f647c25a4f27c1e5c84710e0608b36303089f9 Mon Sep 17 00:00:00 2001
From: Timur Tabi <timur@freescale.com>
Date: Tue, 23 Sep 2008 15:55:56 -0700
Subject: [PATCH 0218/2224] fsldma: remove internal self-test from Freescale
 Elo DMA driver

The Freescale Elo DMA driver runs an internal self-test before registering
the channels with the DMA engine.  This self-test has a fundemental flaw in
that it calls the DMA engine's callback functions directly before the
registration.  However, the registration initializes some variables that the
callback functions uses, namely the device struct.

The code works today because there are two device structs: the one created
by the DMA engine, and one created by the Open Firmware (OF) subsystem.  The
self-test currently uses the device struct created by OF.  However, in the
future, some of the device structs created by OF will be eliminated.
This means that the self-test will only have access to the device struct
created by the DMA engine.  But this device struct isn't initialized when
the self-test runs, and this causes a kernel panic.

Since there is already a DMA test module (dmatest), the internal self-test
code is not useful anyway.  It is extremely unlikely that the test will fail
in normal usage.  It may have been helpful during development, but not any more.

Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/fsldma.c | 132 -------------------------------------------
 1 file changed, 132 deletions(-)

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index c0059ca5834..e9b263897c0 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -786,132 +786,6 @@ static void dma_do_tasklet(unsigned long data)
 	fsl_chan_ld_cleanup(fsl_chan);
 }
 
-static void fsl_dma_callback_test(void *param)
-{
-	struct fsl_dma_chan *fsl_chan = param;
-	if (fsl_chan)
-		dev_dbg(fsl_chan->dev, "selftest: callback is ok!\n");
-}
-
-static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan)
-{
-	struct dma_chan *chan;
-	int err = 0;
-	dma_addr_t dma_dest, dma_src;
-	dma_cookie_t cookie;
-	u8 *src, *dest;
-	int i;
-	size_t test_size;
-	struct dma_async_tx_descriptor *tx1, *tx2, *tx3;
-
-	test_size = 4096;
-
-	src = kmalloc(test_size * 2, GFP_KERNEL);
-	if (!src) {
-		dev_err(fsl_chan->dev,
-				"selftest: Cannot alloc memory for test!\n");
-		return -ENOMEM;
-	}
-
-	dest = src + test_size;
-
-	for (i = 0; i < test_size; i++)
-		src[i] = (u8) i;
-
-	chan = &fsl_chan->common;
-
-	if (fsl_dma_alloc_chan_resources(chan, NULL) < 1) {
-		dev_err(fsl_chan->dev,
-				"selftest: Cannot alloc resources for DMA\n");
-		err = -ENODEV;
-		goto out;
-	}
-
-	/* TX 1 */
-	dma_src = dma_map_single(fsl_chan->dev, src, test_size / 2,
-				 DMA_TO_DEVICE);
-	dma_dest = dma_map_single(fsl_chan->dev, dest, test_size / 2,
-				  DMA_FROM_DEVICE);
-	tx1 = fsl_dma_prep_memcpy(chan, dma_dest, dma_src, test_size / 2, 0);
-	async_tx_ack(tx1);
-
-	cookie = fsl_dma_tx_submit(tx1);
-	fsl_dma_memcpy_issue_pending(chan);
-	msleep(2);
-
-	if (fsl_dma_is_complete(chan, cookie, NULL, NULL) != DMA_SUCCESS) {
-		dev_err(fsl_chan->dev, "selftest: Time out!\n");
-		err = -ENODEV;
-		goto free_resources;
-	}
-
-	/* Test free and re-alloc channel resources */
-	fsl_dma_free_chan_resources(chan);
-
-	if (fsl_dma_alloc_chan_resources(chan, NULL) < 1) {
-		dev_err(fsl_chan->dev,
-				"selftest: Cannot alloc resources for DMA\n");
-		err = -ENODEV;
-		goto free_resources;
-	}
-
-	/* Continue to test
-	 * TX 2
-	 */
-	dma_src = dma_map_single(fsl_chan->dev, src + test_size / 2,
-					test_size / 4, DMA_TO_DEVICE);
-	dma_dest = dma_map_single(fsl_chan->dev, dest + test_size / 2,
-					test_size / 4, DMA_FROM_DEVICE);
-	tx2 = fsl_dma_prep_memcpy(chan, dma_dest, dma_src, test_size / 4, 0);
-	async_tx_ack(tx2);
-
-	/* TX 3 */
-	dma_src = dma_map_single(fsl_chan->dev, src + test_size * 3 / 4,
-					test_size / 4, DMA_TO_DEVICE);
-	dma_dest = dma_map_single(fsl_chan->dev, dest + test_size * 3 / 4,
-					test_size / 4, DMA_FROM_DEVICE);
-	tx3 = fsl_dma_prep_memcpy(chan, dma_dest, dma_src, test_size / 4, 0);
-	async_tx_ack(tx3);
-
-	/* Interrupt tx test */
-	tx1 = fsl_dma_prep_interrupt(chan, 0);
-	async_tx_ack(tx1);
-	cookie = fsl_dma_tx_submit(tx1);
-
-	/* Test exchanging the prepared tx sort */
-	cookie = fsl_dma_tx_submit(tx3);
-	cookie = fsl_dma_tx_submit(tx2);
-
-	if (dma_has_cap(DMA_INTERRUPT, ((struct fsl_dma_device *)
-	    dev_get_drvdata(fsl_chan->dev->parent))->common.cap_mask)) {
-		tx3->callback = fsl_dma_callback_test;
-		tx3->callback_param = fsl_chan;
-	}
-	fsl_dma_memcpy_issue_pending(chan);
-	msleep(2);
-
-	if (fsl_dma_is_complete(chan, cookie, NULL, NULL) != DMA_SUCCESS) {
-		dev_err(fsl_chan->dev, "selftest: Time out!\n");
-		err = -ENODEV;
-		goto free_resources;
-	}
-
-	err = memcmp(src, dest, test_size);
-	if (err) {
-		for (i = 0; (*(src + i) == *(dest + i)) && (i < test_size);
-				i++);
-		dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%ld is "
-				"error! src 0x%x, dest 0x%x\n",
-				i, (long)test_size, *(src + i), *(dest + i));
-	}
-
-free_resources:
-	fsl_dma_free_chan_resources(chan);
-out:
-	kfree(src);
-	return err;
-}
-
 static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
 			const struct of_device_id *match)
 {
@@ -1000,17 +874,11 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
 		}
 	}
 
-	err = fsl_dma_self_test(new_fsl_chan);
-	if (err)
-		goto err_self_test;
-
 	dev_info(&dev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id,
 				match->compatible, new_fsl_chan->irq);
 
 	return 0;
 
-err_self_test:
-	free_irq(new_fsl_chan->irq, new_fsl_chan);
 err_no_irq:
 	list_del(&new_fsl_chan->common.device_node);
 err_no_chan:
-- 
GitLab


From 8b59560a3baf2e7c24e0fb92ea5d09eca92805db Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:02:03 +0800
Subject: [PATCH 0219/2224] ACPI: dock: avoid check _STA method

In some BIOSes, every _STA method call will send a notification again,
this cause freeze. And in some BIOSes, it appears _STA should be called
after _DCK. This tries to avoid calls _STA, and still keep the device
present check.

http://bugzilla.kernel.org/show_bug.cgi?id=10431

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 7d2edf143f1..25d2161ae9d 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -604,14 +604,17 @@ static int handle_eject_request(struct dock_station *ds, u32 event)
 static void dock_notify(acpi_handle handle, u32 event, void *data)
 {
 	struct dock_station *ds = data;
+	struct acpi_device *tmp;
 
 	switch (event) {
 	case ACPI_NOTIFY_BUS_CHECK:
-		if (!dock_in_progress(ds) && dock_present(ds)) {
+		if (!dock_in_progress(ds) && acpi_bus_get_device(ds->handle,
+		   &tmp)) {
 			begin_dock(ds);
 			dock(ds);
 			if (!dock_present(ds)) {
 				printk(KERN_ERR PREFIX "Unable to dock!\n");
+				complete_dock(ds);
 				break;
 			}
 			atomic_notifier_call_chain(&dock_notifier_list,
-- 
GitLab


From 82545394e0690aaef446cb262aa5dac0f9c7156e Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:02:41 +0800
Subject: [PATCH 0220/2224] dock: fix eject request process (2.6.27-rc1
 regression)

commit 2a7feab28d3fc060d320eaba192e49dad1079b7e introduces a bug.
My thinkpad actually will send an eject_request and we should follow the
eject process to finish the eject, otherwise system still thinks the bay
is present.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 25d2161ae9d..78d27cef573 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -575,11 +575,6 @@ static int handle_eject_request(struct dock_station *ds, u32 event)
 	 */
 	dock_event(ds, event, UNDOCK_EVENT);
 
-	if (!dock_present(ds)) {
-		complete_undock(ds);
-		return -ENODEV;
-	}
-
 	hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST);
 	undock(ds);
 	eject_dock(ds);
-- 
GitLab


From 406f692d0803d73acd3984c1e11719d3a913fd5e Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:03:26 +0800
Subject: [PATCH 0221/2224] dock: add _LCK support

support _LCK method, which is a optional method for hotplug

lenb: we have not seen _LCK used in the field yet

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 78d27cef573..7bdf93b7469 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -452,6 +452,25 @@ static inline void complete_undock(struct dock_station *ds)
 	ds->flags &= ~(DOCK_UNDOCKING);
 }
 
+static void dock_lock(struct dock_station *ds, int lock)
+{
+	struct acpi_object_list arg_list;
+	union acpi_object arg;
+	acpi_status status;
+
+	arg_list.count = 1;
+	arg_list.pointer = &arg;
+	arg.type = ACPI_TYPE_INTEGER;
+	arg.integer.value = !!lock;
+	status = acpi_evaluate_object(ds->handle, "_LCK", &arg_list, NULL);
+	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
+		if (lock)
+			printk(KERN_WARNING PREFIX "Locking device failed\n");
+		else
+			printk(KERN_WARNING PREFIX "Unlocking device failed\n");
+	}
+}
+
 /**
  * dock_in_progress - see if we are in the middle of handling a dock event
  * @ds: the dock station
@@ -577,6 +596,7 @@ static int handle_eject_request(struct dock_station *ds, u32 event)
 
 	hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST);
 	undock(ds);
+	dock_lock(ds, 0);
 	eject_dock(ds);
 	if (dock_present(ds)) {
 		printk(KERN_ERR PREFIX "Unable to undock!\n");
@@ -617,6 +637,7 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
 			hotplug_dock_devices(ds, event);
 			complete_dock(ds);
 			dock_event(ds, event, DOCK_EVENT);
+			dock_lock(ds, 1);
 		}
 		break;
 	case ACPI_NOTIFY_DEVICE_CHECK:
-- 
GitLab


From db350b084dc2cf816288643861ce07b0562dd723 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:03:58 +0800
Subject: [PATCH 0222/2224] dock: add bay and battery hotplug support

Make the dock driver support bay and battery hotplug.
They are all regarded as dock, so handling can be unified.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c | 223 ++++++++++++++++++++++++++++++++++----------
 1 file changed, 175 insertions(+), 48 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 7bdf93b7469..799a0fdbb62 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -48,7 +48,6 @@ MODULE_PARM_DESC(immediate_undock, "1 (default) will cause the driver to "
 	" before undocking");
 
 static struct atomic_notifier_head dock_notifier_list;
-static struct platform_device *dock_device;
 static char dock_device_name[] = "dock";
 
 static const struct acpi_device_id dock_device_ids[] = {
@@ -65,7 +64,12 @@ struct dock_station {
 	struct mutex hp_lock;
 	struct list_head dependent_devices;
 	struct list_head hotplug_devices;
+
+	struct list_head sibiling;
+	struct platform_device *dock_device;
 };
+static LIST_HEAD(dock_stations);
+static int dock_station_count;
 
 struct dock_dependent_device {
 	struct list_head list;
@@ -77,11 +81,12 @@ struct dock_dependent_device {
 
 #define DOCK_DOCKING	0x00000001
 #define DOCK_UNDOCKING  0x00000002
+#define DOCK_IS_DOCK	0x00000010
+#define DOCK_IS_ATA	0x00000020
+#define DOCK_IS_BAT	0x00000040
 #define DOCK_EVENT	3
 #define UNDOCK_EVENT	2
 
-static struct dock_station *dock_station;
-
 /*****************************************************************************
  *                         Dock Dependent device functions                   *
  *****************************************************************************/
@@ -199,6 +204,60 @@ static int is_dock(acpi_handle handle)
 	return 1;
 }
 
+static int is_ejectable(acpi_handle handle)
+{
+	acpi_status status;
+	acpi_handle tmp;
+
+	status = acpi_get_handle(handle, "_EJ0", &tmp);
+	if (ACPI_FAILURE(status))
+		return 0;
+	return 1;
+}
+
+static int is_ata(acpi_handle handle)
+{
+	acpi_handle tmp;
+
+	if ((ACPI_SUCCESS(acpi_get_handle(handle, "_GTF", &tmp))) ||
+	   (ACPI_SUCCESS(acpi_get_handle(handle, "_GTM", &tmp))) ||
+	   (ACPI_SUCCESS(acpi_get_handle(handle, "_STM", &tmp))) ||
+	   (ACPI_SUCCESS(acpi_get_handle(handle, "_SDD", &tmp))))
+		return 1;
+
+	return 0;
+}
+
+static int is_battery(acpi_handle handle)
+{
+	struct acpi_device_info *info;
+	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+	int ret = 1;
+
+	if (!ACPI_SUCCESS(acpi_get_object_info(handle, &buffer)))
+		return 0;
+	info = buffer.pointer;
+	if (!(info->valid & ACPI_VALID_HID))
+		ret = 0;
+	else
+		ret = !strcmp("PNP0C0A", info->hardware_id.value);
+
+	kfree(buffer.pointer);
+	return ret;
+}
+
+static int is_ejectable_bay(acpi_handle handle)
+{
+	acpi_handle phandle;
+	if (!is_ejectable(handle))
+		return 0;
+	if (is_battery(handle) || is_ata(handle))
+		return 1;
+	if (!acpi_get_parent(handle, &phandle) && is_ata(phandle))
+		return 1;
+	return 0;
+}
+
 /**
  * is_dock_device - see if a device is on a dock station
  * @handle: acpi handle of the device
@@ -209,11 +268,17 @@ static int is_dock(acpi_handle handle)
  */
 int is_dock_device(acpi_handle handle)
 {
-	if (!dock_station)
+	struct dock_station *dock_station;
+
+	if (!dock_station_count)
 		return 0;
 
-	if (is_dock(handle) || find_dock_dependent_device(dock_station, handle))
+	if (is_dock(handle))
 		return 1;
+	list_for_each_entry(dock_station, &dock_stations, sibiling) {
+		if (find_dock_dependent_device(dock_station, handle))
+			return 1;
+	}
 
 	return 0;
 }
@@ -341,7 +406,7 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event)
 
 static void dock_event(struct dock_station *ds, u32 event, int num)
 {
-	struct device *dev = &dock_device->dev;
+	struct device *dev = &ds->dock_device->dev;
 	char event_string[13];
 	char *envp[] = { event_string, NULL };
 
@@ -414,7 +479,7 @@ static void handle_dock(struct dock_station *ds, int dock)
 	arg.type = ACPI_TYPE_INTEGER;
 	arg.integer.value = dock;
 	status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer);
-	if (ACPI_FAILURE(status))
+	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
 		printk(KERN_ERR PREFIX "%s - failed to execute _DCK\n",
 			 (char *)name_buffer.pointer);
 	kfree(buffer.pointer);
@@ -498,7 +563,7 @@ static int dock_in_progress(struct dock_station *ds)
  */
 int register_dock_notifier(struct notifier_block *nb)
 {
-	if (!dock_station)
+	if (!dock_station_count)
 		return -ENODEV;
 
 	return atomic_notifier_chain_register(&dock_notifier_list, nb);
@@ -512,7 +577,7 @@ EXPORT_SYMBOL_GPL(register_dock_notifier);
  */
 void unregister_dock_notifier(struct notifier_block *nb)
 {
-	if (!dock_station)
+	if (!dock_station_count)
 		return;
 
 	atomic_notifier_chain_unregister(&dock_notifier_list, nb);
@@ -535,20 +600,23 @@ register_hotplug_dock_device(acpi_handle handle, acpi_notify_handler handler,
 			     void *context)
 {
 	struct dock_dependent_device *dd;
+	struct dock_station *dock_station;
 
-	if (!dock_station)
+	if (!dock_station_count)
 		return -ENODEV;
 
 	/*
 	 * make sure this handle is for a device dependent on the dock,
 	 * this would include the dock station itself
 	 */
-	dd = find_dock_dependent_device(dock_station, handle);
-	if (dd) {
-		dd->handler = handler;
-		dd->context = context;
-		dock_add_hotplug_device(dock_station, dd);
-		return 0;
+	list_for_each_entry(dock_station, &dock_stations, sibiling) {
+		dd = find_dock_dependent_device(dock_station, handle);
+		if (dd) {
+			dd->handler = handler;
+			dd->context = context;
+			dock_add_hotplug_device(dock_station, dd);
+			return 0;
+		}
 	}
 
 	return -EINVAL;
@@ -563,13 +631,16 @@ EXPORT_SYMBOL_GPL(register_hotplug_dock_device);
 void unregister_hotplug_dock_device(acpi_handle handle)
 {
 	struct dock_dependent_device *dd;
+	struct dock_station *dock_station;
 
-	if (!dock_station)
+	if (!dock_station_count)
 		return;
 
-	dd = find_dock_dependent_device(dock_station, handle);
-	if (dd)
-		dock_del_hotplug_device(dock_station, dd);
+	list_for_each_entry(dock_station, &dock_stations, sibiling) {
+		dd = find_dock_dependent_device(dock_station, handle);
+		if (dd)
+			dock_del_hotplug_device(dock_station, dd);
+	}
 }
 
 EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device);
@@ -620,9 +691,28 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
 {
 	struct dock_station *ds = data;
 	struct acpi_device *tmp;
+	int surprise_removal = 0;
 
+	/*
+	 * According to acpi spec 3.0a, if a DEVICE_CHECK notification
+	 * is sent and _DCK is present, it is assumed to mean an undock
+	 * request.
+	 */
+	if ((ds->flags & DOCK_IS_DOCK) && event == ACPI_NOTIFY_DEVICE_CHECK)
+		event = ACPI_NOTIFY_EJECT_REQUEST;
+
+	/*
+	 * dock station: BUS_CHECK - docked or surprise removal
+	 *		 DEVICE_CHECK - undocked
+	 * other device: BUS_CHECK/DEVICE_CHECK - added or surprise removal
+	 *
+	 * To simplify event handling, dock dependent device handler always
+	 * get ACPI_NOTIFY_BUS_CHECK/ACPI_NOTIFY_DEVICE_CHECK for add and
+	 * ACPI_NOTIFY_EJECT_REQUEST for removal
+	 */
 	switch (event) {
 	case ACPI_NOTIFY_BUS_CHECK:
+	case ACPI_NOTIFY_DEVICE_CHECK:
 		if (!dock_in_progress(ds) && acpi_bus_get_device(ds->handle,
 		   &tmp)) {
 			begin_dock(ds);
@@ -638,20 +728,17 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
 			complete_dock(ds);
 			dock_event(ds, event, DOCK_EVENT);
 			dock_lock(ds, 1);
+			break;
 		}
-		break;
-	case ACPI_NOTIFY_DEVICE_CHECK:
-	/*
-         * According to acpi spec 3.0a, if a DEVICE_CHECK notification
-         * is sent and _DCK is present, it is assumed to mean an
-         * undock request.  This notify routine will only be called
-         * for objects defining _DCK, so we will fall through to eject
-         * request here.  However, we will pass an eject request through
-	 * to the driver who wish to hotplug.
-         */
+		if (dock_present(ds) || dock_in_progress(ds))
+			break;
+		/* This is a surprise removal */
+		surprise_removal = 1;
+		event = ACPI_NOTIFY_EJECT_REQUEST;
+		/* Fall back */
 	case ACPI_NOTIFY_EJECT_REQUEST:
 		begin_undock(ds);
-		if (immediate_undock)
+		if (immediate_undock || surprise_removal)
 			handle_eject_request(ds, event);
 		else
 			dock_event(ds, event, UNDOCK_EVENT);
@@ -707,6 +794,8 @@ fdd_out:
 static ssize_t show_docked(struct device *dev,
 			   struct device_attribute *attr, char *buf)
 {
+	struct dock_station *dock_station = *((struct dock_station **)
+		dev->platform_data);
 	return snprintf(buf, PAGE_SIZE, "%d\n", dock_present(dock_station));
 
 }
@@ -718,6 +807,8 @@ static DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL);
 static ssize_t show_flags(struct device *dev,
 			  struct device_attribute *attr, char *buf)
 {
+	struct dock_station *dock_station = *((struct dock_station **)
+		dev->platform_data);
 	return snprintf(buf, PAGE_SIZE, "%d\n", dock_station->flags);
 
 }
@@ -730,6 +821,8 @@ static ssize_t write_undock(struct device *dev, struct device_attribute *attr,
 			   const char *buf, size_t count)
 {
 	int ret;
+	struct dock_station *dock_station = *((struct dock_station **)
+		dev->platform_data);
 
 	if (!count)
 		return -EINVAL;
@@ -747,6 +840,8 @@ static ssize_t show_dock_uid(struct device *dev,
 			     struct device_attribute *attr, char *buf)
 {
 	unsigned long lbuf;
+	struct dock_station *dock_station = *((struct dock_station **)
+		dev->platform_data);
 	acpi_status status = acpi_evaluate_integer(dock_station->handle,
 					"_UID", NULL, &lbuf);
 	if (ACPI_FAILURE(status))
@@ -768,6 +863,8 @@ static int dock_add(acpi_handle handle)
 	int ret;
 	acpi_status status;
 	struct dock_dependent_device *dd;
+	struct dock_station *dock_station;
+	struct platform_device *dock_device;
 
 	/* allocate & initialize the dock_station private data */
 	dock_station = kzalloc(sizeof(*dock_station), GFP_KERNEL);
@@ -777,22 +874,34 @@ static int dock_add(acpi_handle handle)
 	dock_station->last_dock_time = jiffies - HZ;
 	INIT_LIST_HEAD(&dock_station->dependent_devices);
 	INIT_LIST_HEAD(&dock_station->hotplug_devices);
+	INIT_LIST_HEAD(&dock_station->sibiling);
 	spin_lock_init(&dock_station->dd_lock);
 	mutex_init(&dock_station->hp_lock);
 	ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list);
 
 	/* initialize platform device stuff */
-	dock_device =
-		platform_device_register_simple(dock_device_name, 0, NULL, 0);
+	dock_station->dock_device =
+		platform_device_register_simple(dock_device_name,
+			dock_station_count, NULL, 0);
+	dock_device = dock_station->dock_device;
 	if (IS_ERR(dock_device)) {
 		kfree(dock_station);
 		dock_station = NULL;
 		return PTR_ERR(dock_device);
 	}
+	platform_device_add_data(dock_device, &dock_station,
+		sizeof(struct dock_station *));
 
 	/* we want the dock device to send uevents */
 	dock_device->dev.uevent_suppress = 0;
 
+	if (is_dock(handle))
+		dock_station->flags |= DOCK_IS_DOCK;
+	if (is_ata(handle))
+		dock_station->flags |= DOCK_IS_ATA;
+	if (is_battery(handle))
+		dock_station->flags |= DOCK_IS_BAT;
+
 	ret = device_create_file(&dock_device->dev, &dev_attr_docked);
 	if (ret) {
 		printk("Error %d adding sysfs file\n", ret);
@@ -858,8 +967,8 @@ static int dock_add(acpi_handle handle)
 		goto dock_add_err;
 	}
 
-	printk(KERN_INFO PREFIX "%s\n", ACPI_DOCK_DRIVER_DESCRIPTION);
-
+	dock_station_count++;
+	list_add(&dock_station->sibiling, &dock_stations);
 	return 0;
 
 dock_add_err:
@@ -878,12 +987,13 @@ dock_add_err_unregister:
 /**
  * dock_remove - free up resources related to the dock station
  */
-static int dock_remove(void)
+static int dock_remove(struct dock_station *dock_station)
 {
 	struct dock_dependent_device *dd, *tmp;
 	acpi_status status;
+	struct platform_device *dock_device = dock_station->dock_device;
 
-	if (!dock_station)
+	if (!dock_station_count)
 		return 0;
 
 	/* remove dependent devices */
@@ -923,41 +1033,58 @@ static int dock_remove(void)
 static acpi_status
 find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-	int *count = context;
 	acpi_status status = AE_OK;
 
 	if (is_dock(handle)) {
 		if (dock_add(handle) >= 0) {
-			(*count)++;
 			status = AE_CTRL_TERMINATE;
 		}
 	}
 	return status;
 }
 
-static int __init dock_init(void)
+static acpi_status
+find_bay(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-	int num = 0;
-
-	dock_station = NULL;
+	/* If bay is in a dock, it's already handled */
+	if (is_ejectable_bay(handle) && !is_dock_device(handle))
+		dock_add(handle);
+	return AE_OK;
+}
 
+static int __init dock_init(void)
+{
 	if (acpi_disabled)
 		return 0;
 
 	/* look for a dock station */
 	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-			    ACPI_UINT32_MAX, find_dock, &num, NULL);
+			    ACPI_UINT32_MAX, find_dock, NULL, NULL);
 
-	if (!num)
-		printk(KERN_INFO "No dock devices found.\n");
+	/* look for bay */
+	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+			ACPI_UINT32_MAX, find_bay, NULL, NULL);
+	if (!dock_station_count) {
+		printk(KERN_INFO PREFIX "No dock devices found.\n");
+		return 0;
+	}
 
+	printk(KERN_INFO PREFIX "%s: %d docks/bays found\n",
+		ACPI_DOCK_DRIVER_DESCRIPTION, dock_station_count);
 	return 0;
 }
 
 static void __exit dock_exit(void)
 {
-	dock_remove();
+	struct dock_station *dock_station;
+
+	list_for_each_entry(dock_station, &dock_stations, sibiling)
+		dock_remove(dock_station);
 }
 
-postcore_initcall(dock_init);
+/*
+ * Must be called before drivers of devices in dock, otherwise we can't know
+ * which devices are in a dock
+ */
+subsys_initcall(dock_init);
 module_exit(dock_exit);
-- 
GitLab


From 6bd00a61ab63d4ceb635ae0316353c11c900b8d8 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:04:29 +0800
Subject: [PATCH 0223/2224] ACPI: introduce notifier change to avoid duplicates

The battery driver already registers notification handler.
To avoid registering notification handler again,
introduce a notifier chain in global system notifier handler
and use it in dock driver.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/bus.c      | 15 ++++++++++++++
 drivers/acpi/dock.c     | 46 +++++++++++++++++++++--------------------
 include/acpi/acpi_bus.h |  3 +++
 3 files changed, 42 insertions(+), 22 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ccae305ee55..0dc44945725 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -496,6 +496,19 @@ static int acpi_bus_check_scope(struct acpi_device *device)
 	return 0;
 }
 
+static BLOCKING_NOTIFIER_HEAD(acpi_bus_notify_list);
+int register_acpi_bus_notifier(struct notifier_block *nb)
+{
+	return blocking_notifier_chain_register(&acpi_bus_notify_list, nb);
+}
+EXPORT_SYMBOL_GPL(register_acpi_bus_notifier);
+
+void unregister_acpi_bus_notifier(struct notifier_block *nb)
+{
+	blocking_notifier_chain_unregister(&acpi_bus_notify_list, nb);
+}
+EXPORT_SYMBOL_GPL(unregister_acpi_bus_notifier);
+
 /**
  * acpi_bus_notify
  * ---------------
@@ -506,6 +519,8 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data)
 	int result = 0;
 	struct acpi_device *device = NULL;
 
+	blocking_notifier_call_chain(&acpi_bus_notify_list,
+		type, (void *)handle);
 
 	if (acpi_bus_get_device(handle, &device))
 		return;
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 799a0fdbb62..2563bc62987 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -748,6 +748,28 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
 	}
 }
 
+static int acpi_dock_notifier_call(struct notifier_block *this,
+	unsigned long event, void *data)
+{
+	struct dock_station *dock_station;
+	acpi_handle handle = (acpi_handle)data;
+
+	if (event != ACPI_NOTIFY_BUS_CHECK && event != ACPI_NOTIFY_DEVICE_CHECK
+	   && event != ACPI_NOTIFY_EJECT_REQUEST)
+		return 0;
+	list_for_each_entry(dock_station, &dock_stations, sibiling) {
+		if (dock_station->handle == handle) {
+			dock_notify(handle, event, dock_station);
+			return 0 ;
+		}
+	}
+	return 0;
+}
+
+static struct notifier_block dock_acpi_notifier = {
+	.notifier_call = acpi_dock_notifier_call,
+};
+
 /**
  * find_dock_devices - find devices on the dock station
  * @handle: the handle of the device we are examining
@@ -861,7 +883,6 @@ static DEVICE_ATTR(uid, S_IRUGO, show_dock_uid, NULL);
 static int dock_add(acpi_handle handle)
 {
 	int ret;
-	acpi_status status;
 	struct dock_dependent_device *dd;
 	struct dock_station *dock_station;
 	struct platform_device *dock_device;
@@ -956,23 +977,10 @@ static int dock_add(acpi_handle handle)
 	}
 	add_dock_dependent_device(dock_station, dd);
 
-	/* register for dock events */
-	status = acpi_install_notify_handler(dock_station->handle,
-					     ACPI_SYSTEM_NOTIFY,
-					     dock_notify, dock_station);
-
-	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR PREFIX "Error installing notify handler\n");
-		ret = -ENODEV;
-		goto dock_add_err;
-	}
-
 	dock_station_count++;
 	list_add(&dock_station->sibiling, &dock_stations);
 	return 0;
 
-dock_add_err:
-	kfree(dd);
 dock_add_err_unregister:
 	device_remove_file(&dock_device->dev, &dev_attr_docked);
 	device_remove_file(&dock_device->dev, &dev_attr_undock);
@@ -990,7 +998,6 @@ dock_add_err_unregister:
 static int dock_remove(struct dock_station *dock_station)
 {
 	struct dock_dependent_device *dd, *tmp;
-	acpi_status status;
 	struct platform_device *dock_device = dock_station->dock_device;
 
 	if (!dock_station_count)
@@ -1001,13 +1008,6 @@ static int dock_remove(struct dock_station *dock_station)
 				 list)
 	    kfree(dd);
 
-	/* remove dock notify handler */
-	status = acpi_remove_notify_handler(dock_station->handle,
-					    ACPI_SYSTEM_NOTIFY,
-					    dock_notify);
-	if (ACPI_FAILURE(status))
-		printk(KERN_ERR "Error removing notify handler\n");
-
 	/* cleanup sysfs */
 	device_remove_file(&dock_device->dev, &dev_attr_docked);
 	device_remove_file(&dock_device->dev, &dev_attr_undock);
@@ -1069,6 +1069,7 @@ static int __init dock_init(void)
 		return 0;
 	}
 
+	register_acpi_bus_notifier(&dock_acpi_notifier);
 	printk(KERN_INFO PREFIX "%s: %d docks/bays found\n",
 		ACPI_DOCK_DRIVER_DESCRIPTION, dock_station_count);
 	return 0;
@@ -1078,6 +1079,7 @@ static void __exit dock_exit(void)
 {
 	struct dock_station *dock_station;
 
+	unregister_acpi_bus_notifier(&dock_acpi_notifier);
 	list_for_each_entry(dock_station, &dock_stations, sibiling)
 		dock_remove(dock_station);
 }
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a5ac0bc7f52..f74f882609f 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -327,6 +327,9 @@ int acpi_bus_get_private_data(acpi_handle, void **);
 extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32);
 extern int register_acpi_notifier(struct notifier_block *);
 extern int unregister_acpi_notifier(struct notifier_block *);
+
+extern int register_acpi_bus_notifier(struct notifier_block *nb);
+extern void unregister_acpi_bus_notifier(struct notifier_block *nb);
 /*
  * External Functions
  */
-- 
GitLab


From 19cd847ab24fefe9e50101ec94479e0400a08650 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Thu, 28 Aug 2008 10:05:06 +0800
Subject: [PATCH 0224/2224] ACPI: fix hotplug race

The hotplug notification handler and drivers' notification handler all
run in one workqueue.  Before hotplug removes an acpi device, the
device driver's notification handler is already be recorded to run just
after global notification handler.  After hotplug notification handler
runs, acpica will notice a NULL notification handler and crash.

So now we run run hotplug in another workqueue and wait
for all acpi notication handlers finish.
This was found in battery hotplug, but actually all
hotplug can be affected.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c     | 25 +++++++++++++++++++++-
 drivers/acpi/osl.c      | 46 ++++++++++++++++++++++++++++++++++++-----
 include/acpi/acpiosxf.h |  3 +++
 3 files changed, 68 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 2563bc62987..4b395b1e61b 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -748,6 +748,20 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
 	}
 }
 
+struct dock_data {
+	acpi_handle handle;
+	unsigned long event;
+	struct dock_station *ds;
+};
+
+static void acpi_dock_deferred_cb(void *context)
+{
+	struct dock_data *data = (struct dock_data *)context;
+
+	dock_notify(data->handle, data->event, data->ds);
+	kfree(data);
+}
+
 static int acpi_dock_notifier_call(struct notifier_block *this,
 	unsigned long event, void *data)
 {
@@ -759,7 +773,16 @@ static int acpi_dock_notifier_call(struct notifier_block *this,
 		return 0;
 	list_for_each_entry(dock_station, &dock_stations, sibiling) {
 		if (dock_station->handle == handle) {
-			dock_notify(handle, event, dock_station);
+			struct dock_data *dock_data;
+
+			dock_data = kmalloc(sizeof(*dock_data), GFP_KERNEL);
+			if (!dock_data)
+				return 0;
+			dock_data->handle = handle;
+			dock_data->event = event;
+			dock_data->ds = dock_station;
+			acpi_os_hotplug_execute(acpi_dock_deferred_cb,
+				dock_data);
 			return 0 ;
 		}
 	}
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 235a1386888..750e0df1560 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -682,6 +682,22 @@ static void acpi_os_execute_deferred(struct work_struct *work)
 	return;
 }
 
+static void acpi_os_execute_hp_deferred(struct work_struct *work)
+{
+	struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
+	if (!dpc) {
+		printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
+		return;
+	}
+
+	acpi_os_wait_events_complete(NULL);
+
+	dpc->function(dpc->context);
+	kfree(dpc);
+
+	return;
+}
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_os_execute
@@ -697,12 +713,13 @@ static void acpi_os_execute_deferred(struct work_struct *work)
  *
  ******************************************************************************/
 
-acpi_status acpi_os_execute(acpi_execute_type type,
-			    acpi_osd_exec_callback function, void *context)
+static acpi_status __acpi_os_execute(acpi_execute_type type,
+	acpi_osd_exec_callback function, void *context, int hp)
 {
 	acpi_status status = AE_OK;
 	struct acpi_os_dpc *dpc;
 	struct workqueue_struct *queue;
+	int ret;
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 			  "Scheduling function [%p(%p)] for deferred execution.\n",
 			  function, context));
@@ -726,9 +743,17 @@ acpi_status acpi_os_execute(acpi_execute_type type,
 	dpc->function = function;
 	dpc->context = context;
 
-	INIT_WORK(&dpc->work, acpi_os_execute_deferred);
-	queue = (type == OSL_NOTIFY_HANDLER) ? kacpi_notify_wq : kacpid_wq;
-	if (!queue_work(queue, &dpc->work)) {
+	if (!hp) {
+		INIT_WORK(&dpc->work, acpi_os_execute_deferred);
+		queue = (type == OSL_NOTIFY_HANDLER) ?
+			kacpi_notify_wq : kacpid_wq;
+		ret = queue_work(queue, &dpc->work);
+	} else {
+		INIT_WORK(&dpc->work, acpi_os_execute_hp_deferred);
+		ret = schedule_work(&dpc->work);
+	}
+
+	if (!ret) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 			  "Call to queue_work() failed.\n"));
 		status = AE_ERROR;
@@ -737,8 +762,19 @@ acpi_status acpi_os_execute(acpi_execute_type type,
 	return_ACPI_STATUS(status);
 }
 
+acpi_status acpi_os_execute(acpi_execute_type type,
+			    acpi_osd_exec_callback function, void *context)
+{
+	return __acpi_os_execute(type, function, context, 0);
+}
 EXPORT_SYMBOL(acpi_os_execute);
 
+acpi_status acpi_os_hotplug_execute(acpi_osd_exec_callback function,
+	void *context)
+{
+	return __acpi_os_execute(0, function, context, 1);
+}
+
 void acpi_os_wait_events_complete(void *context)
 {
 	flush_workqueue(kacpid_wq);
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 3f93a6b4e17..b91440ac0d1 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -193,6 +193,9 @@ acpi_status
 acpi_os_execute(acpi_execute_type type,
 		acpi_osd_exec_callback function, void *context);
 
+acpi_status
+acpi_os_hotplug_execute(acpi_osd_exec_callback function, void *context);
+
 void acpi_os_wait_events_complete(void *context);
 
 void acpi_os_sleep(acpi_integer milliseconds);
-- 
GitLab


From f730ae1838635a02aa60834762c61566911d004c Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:05:45 +0800
Subject: [PATCH 0225/2224] libata: remove functions now handed by ACPI dock
 driver

dock driver can handle ata(bay) hotplug now. dock driver already handles
_EJ0 and _STA, so remove them. Also libata doesn't need register
notification handler anymore.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c       |   3 +-
 drivers/ata/libata-acpi.c | 107 +++++---------------------------------
 2 files changed, 16 insertions(+), 94 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 4b395b1e61b..f19f643fb36 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -738,7 +738,8 @@ static void dock_notify(acpi_handle handle, u32 event, void *data)
 		/* Fall back */
 	case ACPI_NOTIFY_EJECT_REQUEST:
 		begin_undock(ds);
-		if (immediate_undock || surprise_removal)
+		if ((immediate_undock && !(ds->flags & DOCK_IS_ATA))
+		   || surprise_removal)
 			handle_eject_request(ds, event);
 		else
 			dock_event(ds, event, UNDOCK_EVENT);
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 9330b7922f6..97727be7e15 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -120,21 +120,6 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap)
 		ap->pflags |= ATA_PFLAG_INIT_GTM_VALID;
 }
 
-static void ata_acpi_eject_device(acpi_handle handle)
-{
-	struct acpi_object_list arg_list;
-	union acpi_object arg;
-
-	arg_list.count = 1;
-	arg_list.pointer = &arg;
-	arg.type = ACPI_TYPE_INTEGER;
-	arg.integer.value = 1;
-
-	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_EJ0",
-					      &arg_list, NULL)))
-		printk(KERN_ERR "Failed to evaluate _EJ0!\n");
-}
-
 /* @ap and @dev are the same as ata_acpi_handle_hotplug() */
 static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev)
 {
@@ -157,7 +142,6 @@ static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev)
  * @ap: ATA port ACPI event occurred
  * @dev: ATA device ACPI event occurred (can be NULL)
  * @event: ACPI event which occurred
- * @is_dock_event: boolean indicating whether the event was a dock one
  *
  * All ACPI bay / device realted events end up in this function.  If
  * the event is port-wide @dev is NULL.  If the event is specific to a
@@ -171,115 +155,58 @@ static void ata_acpi_detach_device(struct ata_port *ap, struct ata_device *dev)
  * ACPI notify handler context.  May sleep.
  */
 static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev,
-				    u32 event, int is_dock_event)
+				    u32 event)
 {
-	char event_string[12];
-	char *envp[] = { event_string, NULL };
 	struct ata_eh_info *ehi = &ap->link.eh_info;
-	struct kobject *kobj = NULL;
 	int wait = 0;
 	unsigned long flags;
-	acpi_handle handle, tmphandle;
-	unsigned long sta;
-	acpi_status status;
+	acpi_handle handle;
 
-	if (dev) {
-		if (dev->sdev)
-			kobj = &dev->sdev->sdev_gendev.kobj;
+	if (dev)
 		handle = dev->acpi_handle;
-	} else {
-		kobj = &ap->dev->kobj;
+	else
 		handle = ap->acpi_handle;
-	}
-
-	status = acpi_get_handle(handle, "_EJ0", &tmphandle);
-	if (ACPI_FAILURE(status))
-		/* This device does not support hotplug */
-		return;
-
-	if (event == ACPI_NOTIFY_BUS_CHECK ||
-	    event == ACPI_NOTIFY_DEVICE_CHECK)
-		status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
 
 	spin_lock_irqsave(ap->lock, flags);
-
+	/*
+	 * When dock driver calls into the routine, it will always use
+	 * ACPI_NOTIFY_BUS_CHECK/ACPI_NOTIFY_DEVICE_CHECK for add and
+	 * ACPI_NOTIFY_EJECT_REQUEST for remove
+	 */
 	switch (event) {
 	case ACPI_NOTIFY_BUS_CHECK:
 	case ACPI_NOTIFY_DEVICE_CHECK:
 		ata_ehi_push_desc(ehi, "ACPI event");
 
-		if (ACPI_FAILURE(status)) {
-			ata_port_printk(ap, KERN_ERR,
-				"acpi: failed to determine bay status (0x%x)\n",
-				status);
-			break;
-		}
-
-		if (sta) {
-			ata_ehi_hotplugged(ehi);
-			ata_port_freeze(ap);
-		} else {
-			/* The device has gone - unplug it */
-			ata_acpi_detach_device(ap, dev);
-			wait = 1;
-		}
+		ata_ehi_hotplugged(ehi);
+		ata_port_freeze(ap);
 		break;
 	case ACPI_NOTIFY_EJECT_REQUEST:
 		ata_ehi_push_desc(ehi, "ACPI event");
 
-		if (!is_dock_event)
-			break;
-
-		/* undock event - immediate unplug */
 		ata_acpi_detach_device(ap, dev);
 		wait = 1;
 		break;
 	}
 
-	/* make sure kobj doesn't go away while ap->lock is released */
-	kobject_get(kobj);
-
 	spin_unlock_irqrestore(ap->lock, flags);
 
-	if (wait) {
+	if (wait)
 		ata_port_wait_eh(ap);
-		ata_acpi_eject_device(handle);
-	}
-
-	if (kobj && !is_dock_event) {
-		sprintf(event_string, "BAY_EVENT=%d", event);
-		kobject_uevent_env(kobj, KOBJ_CHANGE, envp);
-	}
-
-	kobject_put(kobj);
 }
 
 static void ata_acpi_dev_notify_dock(acpi_handle handle, u32 event, void *data)
 {
 	struct ata_device *dev = data;
 
-	ata_acpi_handle_hotplug(dev->link->ap, dev, event, 1);
+	ata_acpi_handle_hotplug(dev->link->ap, dev, event);
 }
 
 static void ata_acpi_ap_notify_dock(acpi_handle handle, u32 event, void *data)
 {
 	struct ata_port *ap = data;
 
-	ata_acpi_handle_hotplug(ap, NULL, event, 1);
-}
-
-static void ata_acpi_dev_notify(acpi_handle handle, u32 event, void *data)
-{
-	struct ata_device *dev = data;
-
-	ata_acpi_handle_hotplug(dev->link->ap, dev, event, 0);
-}
-
-static void ata_acpi_ap_notify(acpi_handle handle, u32 event, void *data)
-{
-	struct ata_port *ap = data;
-
-	ata_acpi_handle_hotplug(ap, NULL, event, 0);
+	ata_acpi_handle_hotplug(ap, NULL, event);
 }
 
 /**
@@ -315,9 +242,6 @@ void ata_acpi_associate(struct ata_host *host)
 			ata_acpi_associate_ide_port(ap);
 
 		if (ap->acpi_handle) {
-			acpi_install_notify_handler(ap->acpi_handle,
-						    ACPI_SYSTEM_NOTIFY,
-						    ata_acpi_ap_notify, ap);
 			/* we might be on a docking station */
 			register_hotplug_dock_device(ap->acpi_handle,
 					     ata_acpi_ap_notify_dock, ap);
@@ -327,9 +251,6 @@ void ata_acpi_associate(struct ata_host *host)
 			struct ata_device *dev = &ap->link.device[j];
 
 			if (dev->acpi_handle) {
-				acpi_install_notify_handler(dev->acpi_handle,
-						ACPI_SYSTEM_NOTIFY,
-						ata_acpi_dev_notify, dev);
 				/* we might be on a docking station */
 				register_hotplug_dock_device(dev->acpi_handle,
 					     ata_acpi_dev_notify_dock, dev);
-- 
GitLab


From 1253f7aabfebc51446dbec5c8895c5c8846dfe06 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:06:16 +0800
Subject: [PATCH 0226/2224] dock: introduce .uevent for devices in dock, eg
 libata

dock's uevent reported itself, not ata. It might be difficult to find an
ata device just according to a dock. This patch introduces docking ops
for each device in a dock. when docking, dock driver can send device
specific uevent. This should help dock station too (not just bay)

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c                | 22 ++++++++++-----
 drivers/ata/libata-acpi.c          | 44 ++++++++++++++++++++++++++++--
 drivers/pci/hotplug/acpiphp_glue.c |  6 ++--
 include/acpi/acpi_drivers.h        |  9 ++++--
 4 files changed, 68 insertions(+), 13 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index f19f643fb36..ac7dfefcb50 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -75,7 +75,7 @@ struct dock_dependent_device {
 	struct list_head list;
 	struct list_head hotplug_list;
 	acpi_handle handle;
-	acpi_notify_handler handler;
+	struct acpi_dock_ops *ops;
 	void *context;
 };
 
@@ -385,8 +385,8 @@ static void hotplug_dock_devices(struct dock_station *ds, u32 event)
 	 * First call driver specific hotplug functions
 	 */
 	list_for_each_entry(dd, &ds->hotplug_devices, hotplug_list) {
-		if (dd->handler)
-			dd->handler(dd->handle, event, dd->context);
+		if (dd->ops && dd->ops->handler)
+			dd->ops->handler(dd->handle, event, dd->context);
 	}
 
 	/*
@@ -409,6 +409,7 @@ static void dock_event(struct dock_station *ds, u32 event, int num)
 	struct device *dev = &ds->dock_device->dev;
 	char event_string[13];
 	char *envp[] = { event_string, NULL };
+	struct dock_dependent_device *dd;
 
 	if (num == UNDOCK_EVENT)
 		sprintf(event_string, "EVENT=undock");
@@ -419,7 +420,14 @@ static void dock_event(struct dock_station *ds, u32 event, int num)
 	 * Indicate that the status of the dock station has
 	 * changed.
 	 */
-	kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
+	if (num == DOCK_EVENT)
+		kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
+
+	list_for_each_entry(dd, &ds->hotplug_devices, hotplug_list)
+		if (dd->ops && dd->ops->uevent)
+			dd->ops->uevent(dd->handle, event, dd->context);
+	if (num != DOCK_EVENT)
+		kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
 }
 
 /**
@@ -588,7 +596,7 @@ EXPORT_SYMBOL_GPL(unregister_dock_notifier);
 /**
  * register_hotplug_dock_device - register a hotplug function
  * @handle: the handle of the device
- * @handler: the acpi_notifier_handler to call after docking
+ * @ops: handlers to call after docking
  * @context: device specific data
  *
  * If a driver would like to perform a hotplug operation after a dock
@@ -596,7 +604,7 @@ EXPORT_SYMBOL_GPL(unregister_dock_notifier);
  * the dock driver after _DCK is executed.
  */
 int
-register_hotplug_dock_device(acpi_handle handle, acpi_notify_handler handler,
+register_hotplug_dock_device(acpi_handle handle, struct acpi_dock_ops *ops,
 			     void *context)
 {
 	struct dock_dependent_device *dd;
@@ -612,7 +620,7 @@ register_hotplug_dock_device(acpi_handle handle, acpi_notify_handler handler,
 	list_for_each_entry(dock_station, &dock_stations, sibiling) {
 		dd = find_dock_dependent_device(dock_station, handle);
 		if (dd) {
-			dd->handler = handler;
+			dd->ops = ops;
 			dd->context = context;
 			dock_add_hotplug_device(dock_station, dd);
 			return 0;
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 97727be7e15..c012307d0ba 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -209,6 +209,46 @@ static void ata_acpi_ap_notify_dock(acpi_handle handle, u32 event, void *data)
 	ata_acpi_handle_hotplug(ap, NULL, event);
 }
 
+static void ata_acpi_uevent(struct ata_port *ap, struct ata_device *dev,
+	u32 event)
+{
+	struct kobject *kobj = NULL;
+	char event_string[20];
+	char *envp[] = { event_string, NULL };
+
+	if (dev) {
+		if (dev->sdev)
+			kobj = &dev->sdev->sdev_gendev.kobj;
+	} else
+		kobj = &ap->dev->kobj;
+
+	if (kobj) {
+		snprintf(event_string, 20, "BAY_EVENT=%d", event);
+		kobject_uevent_env(kobj, KOBJ_CHANGE, envp);
+	}
+}
+
+static void ata_acpi_ap_uevent(acpi_handle handle, u32 event, void *data)
+{
+	ata_acpi_uevent(data, NULL, event);
+}
+
+static void ata_acpi_dev_uevent(acpi_handle handle, u32 event, void *data)
+{
+	struct ata_device *dev = data;
+	ata_acpi_uevent(dev->link->ap, dev, event);
+}
+
+static struct acpi_dock_ops ata_acpi_dev_dock_ops = {
+	.handler = ata_acpi_dev_notify_dock,
+	.uevent = ata_acpi_dev_uevent,
+};
+
+static struct acpi_dock_ops ata_acpi_ap_dock_ops = {
+	.handler = ata_acpi_ap_notify_dock,
+	.uevent = ata_acpi_ap_uevent,
+};
+
 /**
  * ata_acpi_associate - associate ATA host with ACPI objects
  * @host: target ATA host
@@ -244,7 +284,7 @@ void ata_acpi_associate(struct ata_host *host)
 		if (ap->acpi_handle) {
 			/* we might be on a docking station */
 			register_hotplug_dock_device(ap->acpi_handle,
-					     ata_acpi_ap_notify_dock, ap);
+					     &ata_acpi_ap_dock_ops, ap);
 		}
 
 		for (j = 0; j < ata_link_max_devices(&ap->link); j++) {
@@ -253,7 +293,7 @@ void ata_acpi_associate(struct ata_host *host)
 			if (dev->acpi_handle) {
 				/* we might be on a docking station */
 				register_hotplug_dock_device(dev->acpi_handle,
-					     ata_acpi_dev_notify_dock, dev);
+					     &ata_acpi_dev_dock_ops, dev);
 			}
 		}
 	}
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index a3e4705dd8f..db54c5ef2aa 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -169,7 +169,9 @@ static int post_dock_fixups(struct notifier_block *nb, unsigned long val,
 }
 
 
-
+static struct acpi_dock_ops acpiphp_dock_ops = {
+	.handler = handle_hotplug_event_func,
+};
 
 /* callback routine to register each ACPI PCI slot object */
 static acpi_status
@@ -285,7 +287,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 		 */
 		newfunc->flags &= ~FUNC_HAS_EJ0;
 		if (register_hotplug_dock_device(handle,
-			handle_hotplug_event_func, newfunc))
+			&acpiphp_dock_ops, newfunc))
 			dbg("failed to register dock device\n");
 
 		/* we need to be notified when dock events happen
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index e5f38e5ce86..4f5042a0ef8 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -115,12 +115,17 @@ int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
 /*--------------------------------------------------------------------------
                                   Dock Station
   -------------------------------------------------------------------------- */
+struct acpi_dock_ops {
+	acpi_notify_handler handler;
+	acpi_notify_handler uevent;
+};
+
 #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
 extern int is_dock_device(acpi_handle handle);
 extern int register_dock_notifier(struct notifier_block *nb);
 extern void unregister_dock_notifier(struct notifier_block *nb);
 extern int register_hotplug_dock_device(acpi_handle handle,
-					acpi_notify_handler handler,
+					struct acpi_dock_ops *ops,
 					void *context);
 extern void unregister_hotplug_dock_device(acpi_handle handle);
 #else
@@ -136,7 +141,7 @@ static inline void unregister_dock_notifier(struct notifier_block *nb)
 {
 }
 static inline int register_hotplug_dock_device(acpi_handle handle,
-					       acpi_notify_handler handler,
+					       struct acpi_dock_ops *ops,
 					       void *context)
 {
 	return -ENODEV;
-- 
GitLab


From 4be9309d15e88e4a1e4a78deb52eb88c7da38c99 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:06:44 +0800
Subject: [PATCH 0227/2224] bay: remove driver, all functions now handled by
 dock driver

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Kconfig  |  11 +-
 drivers/acpi/Makefile |   1 -
 drivers/acpi/bay.c    | 411 ------------------------------------------
 3 files changed, 2 insertions(+), 421 deletions(-)
 delete mode 100644 drivers/acpi/bay.c

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 735f5ea1747..3919d6dbe06 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -160,15 +160,8 @@ config ACPI_DOCK
 	tristate "Dock"
 	depends on EXPERIMENTAL
 	help
-	  This driver adds support for ACPI controlled docking stations
-
-config ACPI_BAY
-	tristate "Removable Drive Bay (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
-	depends on ACPI_DOCK
-	help
-	  This driver adds support for ACPI controlled removable drive
-	  bays such as the IBM ultrabay or the Dell Module Bay.
+	  This driver adds support for ACPI controlled docking stations and removable
+	  drive bays such as the IBM ultrabay or the Dell Module Bay.
 
 config ACPI_PROCESSOR
 	tristate "Processor"
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 52a4cd4b81d..ad4bfd558ff 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -45,7 +45,6 @@ obj-$(CONFIG_ACPI_BATTERY)	+= battery.o
 obj-$(CONFIG_ACPI_BUTTON)	+= button.o
 obj-$(CONFIG_ACPI_FAN)		+= fan.o
 obj-$(CONFIG_ACPI_DOCK)		+= dock.o
-obj-$(CONFIG_ACPI_BAY)		+= bay.o
 obj-$(CONFIG_ACPI_VIDEO)	+= video.o
 obj-y				+= pci_root.o pci_link.o pci_irq.o pci_bind.o
 obj-$(CONFIG_ACPI_PCI_SLOT)	+= pci_slot.o
diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
deleted file mode 100644
index 61b6c5beb2d..00000000000
--- a/drivers/acpi/bay.c
+++ /dev/null
@@ -1,411 +0,0 @@
-/*
- *  bay.c - ACPI removable drive bay driver
- *
- *  Copyright (C) 2006 Kristen Carlson Accardi <kristen.c.accardi@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or (at
- *  your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/notifier.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <linux/seq_file.h>
-#include <asm/uaccess.h>
-#include <linux/platform_device.h>
-
-ACPI_MODULE_NAME("bay");
-MODULE_AUTHOR("Kristen Carlson Accardi");
-MODULE_DESCRIPTION("ACPI Removable Drive Bay Driver");
-MODULE_LICENSE("GPL");
-#define ACPI_BAY_CLASS "bay"
-#define ACPI_BAY_COMPONENT	0x10000000
-#define _COMPONENT ACPI_BAY_COMPONENT
-#define bay_dprintk(h,s) {\
-	char prefix[80] = {'\0'};\
-	struct acpi_buffer buffer = {sizeof(prefix), prefix};\
-	acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\
-	printk(KERN_DEBUG PREFIX "%s: %s\n", prefix, s); }
-static void bay_notify(acpi_handle handle, u32 event, void *data);
-
-static const struct acpi_device_id bay_device_ids[] = {
-	{"LNXIOBAY", 0},
-	{"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, bay_device_ids);
-
-struct bay {
-	acpi_handle handle;
-	char *name;
-	struct list_head list;
-	struct platform_device *pdev;
-};
-
-static LIST_HEAD(drive_bays);
-
-
-/*****************************************************************************
- *                         Drive Bay functions                               *
- *****************************************************************************/
-/**
- * is_ejectable - see if a device is ejectable
- * @handle: acpi handle of the device
- *
- * If an acpi object has a _EJ0 method, then it is ejectable
- */
-static int is_ejectable(acpi_handle handle)
-{
-	acpi_status status;
-	acpi_handle tmp;
-
-	status = acpi_get_handle(handle, "_EJ0", &tmp);
-	if (ACPI_FAILURE(status))
-		return 0;
-	return 1;
-}
-
-/**
- * bay_present - see if the bay device is present
- * @bay: the drive bay
- *
- * execute the _STA method.
- */
-static int bay_present(struct bay *bay)
-{
-	unsigned long sta;
-	acpi_status status;
-
-	if (bay) {
-		status = acpi_evaluate_integer(bay->handle, "_STA", NULL, &sta);
-		if (ACPI_SUCCESS(status) && sta)
-			return 1;
-	}
-	return 0;
-}
-
-/**
- * eject_device - respond to an eject request
- * @handle - the device to eject
- *
- * Call this devices _EJ0 method.
- */
-static void eject_device(acpi_handle handle)
-{
-	struct acpi_object_list arg_list;
-	union acpi_object arg;
-
-	bay_dprintk(handle, "Ejecting device");
-
-	arg_list.count = 1;
-	arg_list.pointer = &arg;
-	arg.type = ACPI_TYPE_INTEGER;
-	arg.integer.value = 1;
-
-	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_EJ0",
-					      &arg_list, NULL)))
-		pr_debug("Failed to evaluate _EJ0!\n");
-}
-
-/*
- * show_present - read method for "present" file in sysfs
- */
-static ssize_t show_present(struct device *dev,
-			   struct device_attribute *attr, char *buf)
-{
-	struct bay *bay = dev_get_drvdata(dev);
-	return snprintf(buf, PAGE_SIZE, "%d\n", bay_present(bay));
-
-}
-static DEVICE_ATTR(present, S_IRUGO, show_present, NULL);
-
-/*
- * write_eject - write method for "eject" file in sysfs
- */
-static ssize_t write_eject(struct device *dev, struct device_attribute *attr,
-			   const char *buf, size_t count)
-{
-	struct bay *bay = dev_get_drvdata(dev);
-
-	if (!count)
-		return -EINVAL;
-
-	eject_device(bay->handle);
-	return count;
-}
-static DEVICE_ATTR(eject, S_IWUSR, NULL, write_eject);
-
-/**
- * is_ata - see if a device is an ata device
- * @handle: acpi handle of the device
- *
- * If an acpi object has one of 4 ATA ACPI methods defined,
- * then it is an ATA device
- */
-static int is_ata(acpi_handle handle)
-{
-	acpi_handle tmp;
-
-	if ((ACPI_SUCCESS(acpi_get_handle(handle, "_GTF", &tmp))) ||
-	   (ACPI_SUCCESS(acpi_get_handle(handle, "_GTM", &tmp))) ||
-	   (ACPI_SUCCESS(acpi_get_handle(handle, "_STM", &tmp))) ||
-	   (ACPI_SUCCESS(acpi_get_handle(handle, "_SDD", &tmp))))
-		return 1;
-
-	return 0;
-}
-
-/**
- * parent_is_ata(acpi_handle handle)
- *
- */
-static int parent_is_ata(acpi_handle handle)
-{
-	acpi_handle phandle;
-
-	if (acpi_get_parent(handle, &phandle))
-		return 0;
-
-	return is_ata(phandle);
-}
-
-/**
- * is_ejectable_bay - see if a device is an ejectable drive bay
- * @handle: acpi handle of the device
- *
- * If an acpi object is ejectable and has one of the ACPI ATA
- * methods defined, then we can safely call it an ejectable
- * drive bay
- */
-static int is_ejectable_bay(acpi_handle handle)
-{
-	if ((is_ata(handle) || parent_is_ata(handle)) && is_ejectable(handle))
-		return 1;
-	return 0;
-}
-
-#if 0
-/**
- * eject_removable_drive - try to eject this drive
- * @dev : the device structure of the drive
- *
- * If a device is a removable drive that requires an _EJ0 method
- * to be executed in order to safely remove from the system, do
- * it.  ATM - always returns success
- */
-int eject_removable_drive(struct device *dev)
-{
-	acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
-
-	if (handle) {
-		bay_dprintk(handle, "Got device handle");
-		if (is_ejectable_bay(handle))
-			eject_device(handle);
-	} else {
-		printk("No acpi handle for device\n");
-	}
-
-	/* should I return an error code? */
-	return 0;
-}
-EXPORT_SYMBOL_GPL(eject_removable_drive);
-#endif  /*  0  */
-
-static int acpi_bay_add_fs(struct bay *bay)
-{
-	int ret;
-	struct device *dev = &bay->pdev->dev;
-
-	ret = device_create_file(dev, &dev_attr_present);
-	if (ret)
-		goto add_fs_err;
-	ret = device_create_file(dev, &dev_attr_eject);
-	if (ret) {
-		device_remove_file(dev, &dev_attr_present);
-		goto add_fs_err;
-	}
-	return 0;
-
- add_fs_err:
-	bay_dprintk(bay->handle, "Error adding sysfs files\n");
-	return ret;
-}
-
-static void acpi_bay_remove_fs(struct bay *bay)
-{
-	struct device *dev = &bay->pdev->dev;
-
-	/* cleanup sysfs */
-	device_remove_file(dev, &dev_attr_present);
-	device_remove_file(dev, &dev_attr_eject);
-}
-
-static int bay_is_dock_device(acpi_handle handle)
-{
-	acpi_handle parent;
-
-	acpi_get_parent(handle, &parent);
-
-	/* if the device or it's parent is dependent on the
-	 * dock, then we are a dock device
-	 */
-	return (is_dock_device(handle) || is_dock_device(parent));
-}
-
-static int bay_add(acpi_handle handle, int id)
-{
-	acpi_status status;
-	struct bay *new_bay;
-	struct platform_device *pdev;
-	struct acpi_buffer nbuffer = {ACPI_ALLOCATE_BUFFER, NULL};
-	acpi_get_name(handle, ACPI_FULL_PATHNAME, &nbuffer);
-
-	bay_dprintk(handle, "Adding notify handler");
-
-	/*
-	 * Initialize bay device structure
-	 */
-	new_bay = kzalloc(sizeof(*new_bay), GFP_ATOMIC);
-	INIT_LIST_HEAD(&new_bay->list);
-	new_bay->handle = handle;
-	new_bay->name = (char *)nbuffer.pointer;
-
-	/* initialize platform device stuff */
-	pdev = platform_device_register_simple(ACPI_BAY_CLASS, id, NULL, 0);
-	if (IS_ERR(pdev)) {
-		printk(KERN_ERR PREFIX "Error registering bay device\n");
-		goto bay_add_err;
-	}
-	new_bay->pdev = pdev;
-	platform_set_drvdata(pdev, new_bay);
-
-	/*
-	 * we want the bay driver to be able to send uevents
-	 */
-	pdev->dev.uevent_suppress = 0;
-
-	/* register for events on this device */
-	status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
-			bay_notify, new_bay);
-	if (ACPI_FAILURE(status)) {
-		printk(KERN_INFO PREFIX "Error installing bay notify handler\n");
-		platform_device_unregister(new_bay->pdev);
-		goto bay_add_err;
-	}
-
-	if (acpi_bay_add_fs(new_bay)) {
-		acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
-					   bay_notify);
-		platform_device_unregister(new_bay->pdev);
-		goto bay_add_err;
-	}
-
-	/* if we are on a dock station, we should register for dock
-	 * notifications.
-	 */
-	if (bay_is_dock_device(handle)) {
-		bay_dprintk(handle, "Is dependent on dock\n");
-		register_hotplug_dock_device(handle, bay_notify, new_bay);
-	}
-	list_add(&new_bay->list, &drive_bays);
-	printk(KERN_INFO PREFIX "Bay [%s] Added\n", new_bay->name);
-	return 0;
-
-bay_add_err:
-	kfree(new_bay->name);
-	kfree(new_bay);
-	return -ENODEV;
-}
-
-/**
- * bay_notify - act upon an acpi bay notification
- * @handle: the bay handle
- * @event: the acpi event
- * @data: our driver data struct
- *
- */
-static void bay_notify(acpi_handle handle, u32 event, void *data)
-{
-	struct bay *bay_dev = (struct bay *)data;
-	struct device *dev = &bay_dev->pdev->dev;
-	char event_string[12];
-	char *envp[] = { event_string, NULL };
-
-	bay_dprintk(handle, "Bay event");
-	sprintf(event_string, "BAY_EVENT=%d", event);
-	kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
-}
-
-static acpi_status
-find_bay(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
-	int *count = (int *)context;
-
-	/*
-	 * there could be more than one ejectable bay.
-	 * so, just return AE_OK always so that every object
-	 * will be checked.
-	 */
-	if (is_ejectable_bay(handle)) {
-		bay_dprintk(handle, "found ejectable bay");
-		if (!bay_add(handle, *count))
-			(*count)++;
-	}
-	return AE_OK;
-}
-
-static int __init bay_init(void)
-{
-	int bays = 0;
-
-	INIT_LIST_HEAD(&drive_bays);
-
-	if (acpi_disabled)
-		return -ENODEV;
-
-	/* look for dockable drive bays */
-	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-		ACPI_UINT32_MAX, find_bay, &bays, NULL);
-
-	if (!bays)
-		return -ENODEV;
-
-	return 0;
-}
-
-static void __exit bay_exit(void)
-{
-	struct bay *bay, *tmp;
-
-	list_for_each_entry_safe(bay, tmp, &drive_bays, list) {
-		if (is_dock_device(bay->handle))
-			unregister_hotplug_dock_device(bay->handle);
-		acpi_bay_remove_fs(bay);
-		acpi_remove_notify_handler(bay->handle, ACPI_SYSTEM_NOTIFY,
-			bay_notify);
-		platform_device_unregister(bay->pdev);
-		kfree(bay->name);
-		kfree(bay);
-	}
-}
-
-postcore_initcall(bay_init);
-module_exit(bay_exit);
-
-- 
GitLab


From 61b836958371c717d1e6d4fea1d2c512969ad20b Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:07:14 +0800
Subject: [PATCH 0228/2224] dock: fix for ATA bay in a dock station

an ATA bay can be in a dock and itself can be ejected separately.
This patch handles such eject bay. Found by Holger.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index ac7dfefcb50..c877cc52600 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -609,6 +609,7 @@ register_hotplug_dock_device(acpi_handle handle, struct acpi_dock_ops *ops,
 {
 	struct dock_dependent_device *dd;
 	struct dock_station *dock_station;
+	int ret = -EINVAL;
 
 	if (!dock_station_count)
 		return -ENODEV;
@@ -618,16 +619,21 @@ register_hotplug_dock_device(acpi_handle handle, struct acpi_dock_ops *ops,
 	 * this would include the dock station itself
 	 */
 	list_for_each_entry(dock_station, &dock_stations, sibiling) {
+		/*
+		 * An ATA bay can be in a dock and itself can be ejected
+		 * seperately, so there are two 'dock stations' which need the
+		 * ops
+		 */
 		dd = find_dock_dependent_device(dock_station, handle);
 		if (dd) {
 			dd->ops = ops;
 			dd->context = context;
 			dock_add_hotplug_device(dock_station, dd);
-			return 0;
+			ret = 0;
 		}
 	}
 
-	return -EINVAL;
+	return ret;
 }
 
 EXPORT_SYMBOL_GPL(register_hotplug_dock_device);
@@ -1078,8 +1084,8 @@ find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
 static acpi_status
 find_bay(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-	/* If bay is in a dock, it's already handled */
-	if (is_ejectable_bay(handle) && !is_dock_device(handle))
+	/* If bay is a dock, it's already handled */
+	if (is_ejectable_bay(handle) && !is_dock(handle))
 		dock_add(handle);
 	return AE_OK;
 }
-- 
GitLab


From 8652b00fd6416773f113dab3dfa0d4509def825b Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 28 Aug 2008 10:07:45 +0800
Subject: [PATCH 0229/2224] dock: add 'type' sysfs file

add a sysfs file to present dock type. Suggested by Holger.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index c877cc52600..b7d15818215 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -911,6 +911,26 @@ static ssize_t show_dock_uid(struct device *dev,
 }
 static DEVICE_ATTR(uid, S_IRUGO, show_dock_uid, NULL);
 
+static ssize_t show_dock_type(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct dock_station *dock_station = *((struct dock_station **)
+		dev->platform_data);
+	char *type;
+
+	if (dock_station->flags & DOCK_IS_DOCK)
+		type = "dock_station";
+	else if (dock_station->flags & DOCK_IS_ATA)
+		type = "ata_bay";
+	else if (dock_station->flags & DOCK_IS_BAT)
+		type = "battery_bay";
+	else
+		type = "unknown";
+
+	return snprintf(buf, PAGE_SIZE, "%s\n", type);
+}
+static DEVICE_ATTR(type, S_IRUGO, show_dock_type, NULL);
+
 /**
  * dock_add - add a new dock station
  * @handle: the dock station handle
@@ -999,6 +1019,9 @@ static int dock_add(acpi_handle handle)
 		dock_station = NULL;
 		return ret;
 	}
+	ret = device_create_file(&dock_device->dev, &dev_attr_type);
+	if (ret)
+		printk(KERN_ERR"Error %d adding sysfs file\n", ret);
 
 	/* Find dependent devices */
 	acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
@@ -1020,6 +1043,7 @@ static int dock_add(acpi_handle handle)
 	return 0;
 
 dock_add_err_unregister:
+	device_remove_file(&dock_device->dev, &dev_attr_type);
 	device_remove_file(&dock_device->dev, &dev_attr_docked);
 	device_remove_file(&dock_device->dev, &dev_attr_undock);
 	device_remove_file(&dock_device->dev, &dev_attr_uid);
@@ -1047,6 +1071,7 @@ static int dock_remove(struct dock_station *dock_station)
 	    kfree(dd);
 
 	/* cleanup sysfs */
+	device_remove_file(&dock_device->dev, &dev_attr_type);
 	device_remove_file(&dock_device->dev, &dev_attr_docked);
 	device_remove_file(&dock_device->dev, &dev_attr_undock);
 	device_remove_file(&dock_device->dev, &dev_attr_uid);
-- 
GitLab


From aa88f169d6fc4305125b6917d9d5f2e08211f011 Mon Sep 17 00:00:00 2001
From: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Date: Wed, 24 Sep 2008 11:46:48 +0900
Subject: [PATCH 0230/2224] sh: ap325rxa: create CPLD data area in mtd

AP320 and AP325RXA has CPLD data in NOR Flash.
If this area erased, this board can not boot.
This patch create CPLD data area and set writeable mask bit.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-ap325rxa.c | 33 +++++++++++++++++++++++----------
 1 file changed, 23 insertions(+), 10 deletions(-)

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index fd1612590bf..00e632fc068 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -52,20 +52,33 @@ static struct platform_device smc9118_device = {
 	},
 };
 
+/*
+ * AP320 and AP325RXA has CPLD data in NOR Flash(0xA80000-0xABFFFF).
+ * If this area erased, this board can not boot.
+ */
 static struct mtd_partition ap325rxa_nor_flash_partitions[] = {
 	{
-		 .name = "uboot",
-		 .offset = 0,
-		 .size = (1 * 1024 * 1024),
-		 .mask_flags = MTD_WRITEABLE,	/* Read-only */
+		.name = "uboot",
+		.offset = 0,
+		.size = (1 * 1024 * 1024),
+		.mask_flags = MTD_WRITEABLE,	/* Read-only */
+	}, {
+		.name = "kernel",
+		.offset = MTDPART_OFS_APPEND,
+		.size = (2 * 1024 * 1024),
+	}, {
+		.name = "free-area0",
+		.offset = MTDPART_OFS_APPEND,
+		.size = ((7 * 1024 * 1024) + (512 * 1024)),
 	}, {
-		 .name = "kernel",
-		 .offset = MTDPART_OFS_APPEND,
-		 .size = (2 * 1024 * 1024),
+		.name = "CPLD-Data",
+		.offset = MTDPART_OFS_APPEND,
+		.mask_flags = MTD_WRITEABLE,	/* Read-only */
+		.size = (1024 * 128 * 2),
 	}, {
-		 .name = "other",
-		 .offset = MTDPART_OFS_APPEND,
-		 .size = MTDPART_SIZ_FULL,
+		.name = "free-area1",
+		.offset = MTDPART_OFS_APPEND,
+		.size = MTDPART_SIZ_FULL,
 	},
 };
 
-- 
GitLab


From 1bec157a1f747d038026efabebdee4c929147b63 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 24 Sep 2008 14:37:35 +0900
Subject: [PATCH 0231/2224] sh: Force pending restarted system calls to return
 -EINTR.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/signal_32.c |  6 ++++++
 arch/sh/kernel/signal_64.c | 18 ++++++++++++------
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index be194d0bd7d..69d09c0b349 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -216,6 +216,9 @@ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
 	sigset_t set;
 	int r0;
 
+        /* Always make any pending restarted system calls return -EINTR */
+	current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
 		goto badframe;
 
@@ -250,6 +253,9 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
 	sigset_t set;
 	int r0;
 
+	/* Always make any pending restarted system calls return -EINTR */
+	current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
 		goto badframe;
 
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 37bd381a7aa..0582ae4739b 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -375,6 +375,9 @@ asmlinkage int sys_sigreturn(unsigned long r2, unsigned long r3,
 	sigset_t set;
 	long long ret;
 
+	/* Always make any pending restarted system calls return -EINTR */
+	current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
 		goto badframe;
 
@@ -412,6 +415,9 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
 	stack_t __user st;
 	long long ret;
 
+	/* Always make any pending restarted system calls return -EINTR */
+	current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
 		goto badframe;
 
@@ -539,7 +545,7 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 		 * On SH5 all edited pointers are subject to NEFF
 		 */
 		DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-        		 	(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+			(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 	} else {
 		/*
 		 * Different approach on SH5.
@@ -554,7 +560,7 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 		 */
 		DEREF_REG_PR = (unsigned long) frame->retcode | 0x01;
 		DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-        		 	(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+			(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 
 		if (__copy_to_user(frame->retcode,
 			(unsigned long long)sa_default_restorer & (~1), 16) != 0)
@@ -570,7 +576,7 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 	 */
 	regs->regs[REG_SP] = (unsigned long) frame;
 	regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ?
-        		 (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
+		 (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
 	regs->regs[REG_ARG1] = signal; /* Arg for signal handler */
 
         /* FIXME:
@@ -656,7 +662,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 		 * On SH5 all edited pointers are subject to NEFF
 		 */
 		DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-        		 	(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+			(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 	} else {
 		/*
 		 * Different approach on SH5.
@@ -672,7 +678,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 
 		DEREF_REG_PR = (unsigned long) frame->retcode | 0x01;
 		DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ?
-        		 	(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
+			(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 
 		if (__copy_to_user(frame->retcode,
 			(unsigned long long)sa_default_rt_restorer & (~1), 16) != 0)
@@ -687,7 +693,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	 */
 	regs->regs[REG_SP] = (unsigned long) frame;
 	regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ?
-        		 (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
+		 (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP];
 	regs->regs[REG_ARG1] = signal; /* Arg for signal handler */
 	regs->regs[REG_ARG2] = (unsigned long long)(unsigned long)(signed long)&frame->info;
 	regs->regs[REG_ARG3] = (unsigned long long)(unsigned long)(signed long)&frame->uc.uc_mcontext;
-- 
GitLab


From c5d191b8e531e33b823242f3d2c6b81d765e96dd Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Wed, 24 Sep 2008 02:53:25 -0400
Subject: [PATCH 0232/2224] dock: Shaohua Li is new maintainer

Signed-off-by: Len Brown <len.brown@intel.com>
---
 MAINTAINERS | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index cad81a24e83..7212af72314 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1417,8 +1417,8 @@ M:	rdunlap@xenotime.net
 S:	Maintained
 
 DOCKING STATION DRIVER
-P:	Kristen Carlson Accardi
-M:	kristen.c.accardi@intel.com
+P:	Shaohua Li
+M:	shaohua.li@intel.com
 L:	linux-acpi@vger.kernel.org
 S:	Supported
 
-- 
GitLab


From 709ee531c153038d81b30649b9eeed3c44a4d5cc Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Tue, 23 Sep 2008 17:46:57 +0200
Subject: [PATCH 0233/2224] panasonic-laptop: add Panasonic Let's Note laptop
 extras driver v0.94

This is a driver for ACPI extras such as hotkeys and backlight
brightness control on various Panasonic "Let's Note" series laptop
computers.

It exports the backlight via the backlight class device API,
and the hotkeys as input event device.  Some more esoteric
items like number of installed batteries are exported via sysfs
device attributes.

Hotkey events also generate old-style ACPI enents through
/proc/acpi/event to interoperate with current versions of acpid.

Signed-off-by: Harald Welte <laforge@gnumonks.org>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 MAINTAINERS                     |   5 +
 drivers/misc/Kconfig            |  11 +
 drivers/misc/Makefile           |   1 +
 drivers/misc/panasonic-laptop.c | 767 ++++++++++++++++++++++++++++++++
 4 files changed, 784 insertions(+)
 create mode 100644 drivers/misc/panasonic-laptop.c

diff --git a/MAINTAINERS b/MAINTAINERS
index cad81a24e83..fa3579382ed 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3148,6 +3148,11 @@ M:	olof@lixom.net
 L:	i2c@lm-sensors.org
 S:	Maintained
 
+PANASONIC LAPTOP ACPI EXTRAS DRIVER
+P:	Harald Welte
+M:	laforge@gnumonks.org
+S:	Maintained
+
 PARALLEL PORT SUPPORT
 L:	linux-parport@lists.infradead.org (subscribers-only)
 S:	Orphan
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index a726f3b01a6..4ed83575393 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -245,6 +245,17 @@ config MSI_LAPTOP
 
 	  If you have an MSI S270 laptop, say Y or M here.
 
+config PANASONIC_LAPTOP
+	tristate "Panasonic Laptop Extras"
+	depends on X86 && INPUT
+        depends on BACKLIGHT_CLASS_DEVICE
+	---help---
+	  This driver adds support for access to backlight control and hotkeys
+	  on Panasonic Let's Note laptops.
+
+	  If you have a Panasonic Let's note laptop (such as the R1(N variant),
+	  R2, R3, R5, T2, W2 and Y2 series), say Y.
+
 config COMPAL_LAPTOP
 	tristate "Compal Laptop Extras"
 	depends on X86
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index c6c13f60b45..909e2468cdc 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_SGI_IOC4)		+= ioc4.o
 obj-$(CONFIG_SONY_LAPTOP)	+= sony-laptop.o
 obj-$(CONFIG_THINKPAD_ACPI)	+= thinkpad_acpi.o
 obj-$(CONFIG_FUJITSU_LAPTOP)	+= fujitsu-laptop.o
+obj-$(CONFIG_PANASONIC_LAPTOP)	+= panasonic-laptop.o
 obj-$(CONFIG_EEPROM_93CX6)	+= eeprom_93cx6.o
 obj-$(CONFIG_INTEL_MENLOW)	+= intel_menlow.o
 obj-$(CONFIG_ENCLOSURE_SERVICES) += enclosure.o
diff --git a/drivers/misc/panasonic-laptop.c b/drivers/misc/panasonic-laptop.c
new file mode 100644
index 00000000000..9aecda5a399
--- /dev/null
+++ b/drivers/misc/panasonic-laptop.c
@@ -0,0 +1,767 @@
+/*
+ *  Panasonic HotKey and LCD brightness control driver
+ *  (C) 2004 Hiroshi Miura <miura@da-cha.org>
+ *  (C) 2004 NTT DATA Intellilink Co. http://www.intellilink.co.jp/
+ *  (C) YOKOTA Hiroshi <yokota (at) netlab. is. tsukuba. ac. jp>
+ *  (C) 2004 David Bronaugh <dbronaugh>
+ *  (C) 2006-2008 Harald Welte <laforge@gnumonks.org>
+ *
+ *  derived from toshiba_acpi.c, Copyright (C) 2002-2004 John Belmonte
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publicshed by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
+ *
+ *---------------------------------------------------------------------------
+ *
+ * ChangeLog:
+ *	Sep.23, 2008	Harald Welte <laforge@gnumonks.org>
+ *		-v0.95	rename driver from drivers/acpi/pcc_acpi.c to
+ *			drivers/misc/panasonic-laptop.c
+ *
+ * 	Jul.04, 2008	Harald Welte <laforge@gnumonks.org>
+ * 		-v0.94	replace /proc interface with device attributes
+ * 			support {set,get}keycode on th input device
+ *
+ *      Jun.27, 2008	Harald Welte <laforge@gnumonks.org>
+ *      	-v0.92	merge with 2.6.26-rc6 input API changes
+ *      		remove broken <= 2.6.15 kernel support
+ *      		resolve all compiler warnings
+ *      		various coding style fixes (checkpatch.pl)
+ *      		add support for backlight api
+ *      		major code restructuring
+ *
+ * 	Dac.28, 2007	Harald Welte <laforge@gnumonks.org>
+ * 		-v0.91	merge with 2.6.24-rc6 ACPI changes
+ *
+ * 	Nov.04, 2006	Hiroshi Miura <miura@da-cha.org>
+ * 		-v0.9	remove warning about section reference.
+ * 			remove acpi_os_free
+ * 			add /proc/acpi/pcc/brightness interface for HAL access
+ * 			merge dbronaugh's enhancement
+ * 			Aug.17, 2004 David Bronaugh (dbronaugh)
+ *  				- Added screen brightness setting interface
+ *				  Thanks to FreeBSD crew (acpi_panasonic.c)
+ * 				  for the ideas I needed to accomplish it
+ *
+ *	May.29, 2006	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.8.4 follow to change keyinput structure
+ *			thanks Fabian Yamaguchi <fabs@cs.tu-berlin.de>,
+ *			Jacob Bower <jacob.bower@ic.ac.uk> and
+ *			Hiroshi Yokota for providing solutions.
+ *
+ *	Oct.02, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.8.2	merge code of YOKOTA Hiroshi
+ *					<yokota@netlab.is.tsukuba.ac.jp>.
+ *			Add sticky key mode interface.
+ *			Refactoring acpi_pcc_generate_keyinput().
+ *
+ *	Sep.15, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.8	Generate key input event on input subsystem.
+ *			This is based on yet another driver written by
+ *							Ryuta Nakanishi.
+ *
+ *	Sep.10, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.7	Change proc interface functions using seq_file
+ *			facility as same as other ACPI drivers.
+ *
+ *	Aug.28, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.6.4 Fix a silly error with status checking
+ *
+ *	Aug.25, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.6.3 replace read_acpi_int by standard function
+ *							acpi_evaluate_integer
+ *			some clean up and make smart copyright notice.
+ *			fix return value of pcc_acpi_get_key()
+ *			fix checking return value of acpi_bus_register_driver()
+ *
+ *      Aug.22, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
+ *              -v0.6.2 Add check on ACPI data (num_sifr)
+ *                      Coding style cleanups, better error messages/handling
+ *			Fixed an off-by-one error in memory allocation
+ *
+ *      Aug.21, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
+ *              -v0.6.1 Fix a silly error with status checking
+ *
+ *      Aug.20, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
+ *              - v0.6  Correct brightness controls to reflect reality
+ *                      based on information gleaned by Hiroshi Miura
+ *                      and discussions with Hiroshi Miura
+ *
+ *	Aug.10, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.5  support LCD brightness control
+ *			based on the disclosed information by MEI.
+ *
+ *	Jul.25, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.4  first post version
+ *		        add function to retrive SIFR
+ *
+ *	Jul.24, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.3  get proper status of hotkey
+ *
+ *      Jul.22, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.2  add HotKey handler
+ *
+ *      Jul.17, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.1  start from toshiba_acpi driver written by John Belmonte
+ *
+ */
+
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/backlight.h>
+#include <linux/ctype.h>
+#include <linux/seq_file.h>
+#include <linux/uaccess.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+#include <linux/input.h>
+
+
+#ifndef ACPI_HOTKEY_COMPONENT
+#define ACPI_HOTKEY_COMPONENT	0x10000000
+#endif
+
+#define _COMPONENT		ACPI_HOTKEY_COMPONENT
+
+MODULE_AUTHOR("Hiroshi Miura, David Bronaugh and Harald Welte");
+MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops");
+MODULE_LICENSE("GPL");
+
+#define LOGPREFIX "pcc_acpi: "
+
+/* Define ACPI PATHs */
+/* Lets note hotkeys */
+#define METHOD_HKEY_QUERY	"HINF"
+#define METHOD_HKEY_SQTY	"SQTY"
+#define METHOD_HKEY_SINF	"SINF"
+#define METHOD_HKEY_SSET	"SSET"
+#define HKEY_NOTIFY		 0x80
+
+#define ACPI_PCC_DRIVER_NAME	"Panasonic Laptop Support"
+#define ACPI_PCC_DEVICE_NAME	"Hotkey"
+#define ACPI_PCC_CLASS		"pcc"
+
+#define ACPI_PCC_INPUT_PHYS	"panasonic/hkey0"
+
+/* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent
+   ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
+*/
+enum SINF_BITS { SINF_NUM_BATTERIES = 0,
+		 SINF_LCD_TYPE,
+		 SINF_AC_MAX_BRIGHT,
+		 SINF_AC_MIN_BRIGHT,
+		 SINF_AC_CUR_BRIGHT,
+		 SINF_DC_MAX_BRIGHT,
+		 SINF_DC_MIN_BRIGHT,
+		 SINF_DC_CUR_BRIGHT,
+		 SINF_MUTE,
+		 SINF_RESERVED,
+		 SINF_ENV_STATE,
+		 SINF_STICKY_KEY = 0x80,
+	};
+/* R1 handles SINF_AC_CUR_BRIGHT as SINF_CUR_BRIGHT, doesn't know AC state */
+
+static int acpi_pcc_hotkey_add(struct acpi_device *device);
+static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
+static int acpi_pcc_hotkey_resume(struct acpi_device *device);
+
+static const struct acpi_device_id pcc_device_ids[] = {
+	{ "MAT0012", 0},
+	{ "MAT0013", 0},
+	{ "MAT0018", 0},
+	{ "MAT0019", 0},
+	{ "", 0},
+};
+
+static struct acpi_driver acpi_pcc_driver = {
+	.name =		ACPI_PCC_DRIVER_NAME,
+	.class =	ACPI_PCC_CLASS,
+	.ids =		pcc_device_ids,
+	.ops =		{
+				.add =		acpi_pcc_hotkey_add,
+				.remove =	acpi_pcc_hotkey_remove,
+				.resume =       acpi_pcc_hotkey_resume,
+			},
+};
+
+#define KEYMAP_SIZE		11
+static const int initial_keymap[KEYMAP_SIZE] = {
+	/*  0 */ KEY_RESERVED,
+	/*  1 */ KEY_BRIGHTNESSDOWN,
+	/*  2 */ KEY_BRIGHTNESSUP,
+	/*  3 */ KEY_DISPLAYTOGGLE,
+	/*  4 */ KEY_MUTE,
+	/*  5 */ KEY_VOLUMEDOWN,
+	/*  6 */ KEY_VOLUMEUP,
+	/*  7 */ KEY_SLEEP,
+	/*  8 */ KEY_PROG1, /* Change CPU boost */
+	/*  9 */ KEY_BATTERY,
+	/* 10 */ KEY_SUSPEND,
+};
+
+struct pcc_acpi {
+	acpi_handle		handle;
+	unsigned long		num_sifr;
+	int			sticky_mode;
+	u32 			*sinf;
+	struct acpi_device	*device;
+	struct input_dev	*input_dev;
+	struct backlight_device	*backlight;
+	int			keymap[KEYMAP_SIZE];
+};
+
+struct pcc_keyinput {
+	struct acpi_hotkey      *hotkey;
+};
+
+/* method access functions */
+static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val)
+{
+	union acpi_object in_objs[] = {
+		{ .integer.type  = ACPI_TYPE_INTEGER,
+		  .integer.value = func, },
+		{ .integer.type  = ACPI_TYPE_INTEGER,
+		  .integer.value = val, },
+	};
+	struct acpi_object_list params = {
+		.count   = ARRAY_SIZE(in_objs),
+		.pointer = in_objs,
+	};
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
+
+	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET,
+				      &params, NULL);
+
+	return status == AE_OK;
+}
+
+static inline int acpi_pcc_get_sqty(struct acpi_device *device)
+{
+	unsigned long s;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty");
+
+	status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY,
+				       NULL, &s);
+	if (ACPI_SUCCESS(status))
+		return s;
+	else {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "evaluation error HKEY.SQTY\n"));
+		return -EINVAL;
+	}
+}
+
+static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc, u32 *sinf)
+{
+	acpi_status status;
+	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+	union acpi_object *hkey = NULL;
+	int i;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata");
+
+	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, 0,
+				      &buffer);
+	if (ACPI_FAILURE(status)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "evaluation error HKEY.SINF\n"));
+		return 0;
+	}
+
+	hkey = buffer.pointer;
+	if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n"));
+		goto end;
+	}
+
+	if (pcc->num_sifr < hkey->package.count) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "SQTY reports bad SINF length\n"));
+		status = AE_ERROR;
+		goto end;
+	}
+
+	for (i = 0; i < hkey->package.count; i++) {
+		union acpi_object *element = &(hkey->package.elements[i]);
+		if (likely(element->type == ACPI_TYPE_INTEGER)) {
+			sinf[i] = element->integer.value;
+		} else
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+					 "Invalid HKEY.SINF data\n"));
+	}
+	sinf[hkey->package.count] = -1;
+
+end:
+	kfree(buffer.pointer);
+	return status == AE_OK;
+}
+
+/* backlight API interface functions */
+
+/* This driver currently treats AC and DC brightness identical,
+ * since we don't need to invent an interface to the core ACPI
+ * logic to receive events in case a power supply is plugged in
+ * or removed */
+
+static int bl_get(struct backlight_device *bd)
+{
+	struct pcc_acpi *pcc = bl_get_data(bd);
+
+	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+		return -EIO;
+
+	return pcc->sinf[SINF_AC_CUR_BRIGHT];
+}
+
+static int bl_set_status(struct backlight_device *bd)
+{
+	struct pcc_acpi *pcc = bl_get_data(bd);
+	int bright = bd->props.brightness;
+	int rc;
+
+	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+		return -EIO;
+
+	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT])
+		bright = pcc->sinf[SINF_AC_MIN_BRIGHT];
+
+	if (bright < pcc->sinf[SINF_DC_MIN_BRIGHT])
+		bright = pcc->sinf[SINF_DC_MIN_BRIGHT];
+
+	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT] ||
+	    bright > pcc->sinf[SINF_AC_MAX_BRIGHT])
+		return -EINVAL;
+
+	rc = acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, bright);
+	if (rc < 0)
+		return rc;
+
+	return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright);
+}
+
+static struct backlight_ops pcc_backlight_ops = {
+	.get_brightness	= bl_get,
+	.update_status	= bl_set_status,
+};
+
+
+/* sysfs user interface functions */
+
+static ssize_t show_numbatt(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	struct acpi_device *acpi = to_acpi_device(dev);
+	struct pcc_acpi *pcc = acpi_driver_data(acpi);
+
+	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+		return -EIO;
+
+	return sprintf(buf, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
+}
+
+static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
+			    char *buf)
+{
+	struct acpi_device *acpi = to_acpi_device(dev);
+	struct pcc_acpi *pcc = acpi_driver_data(acpi);
+
+	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+		return -EIO;
+
+	return sprintf(buf, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
+}
+
+static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct acpi_device *acpi = to_acpi_device(dev);
+	struct pcc_acpi *pcc = acpi_driver_data(acpi);
+
+	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+		return -EIO;
+
+	return sprintf(buf, "%u\n", pcc->sinf[SINF_MUTE]);
+}
+
+static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	struct acpi_device *acpi = to_acpi_device(dev);
+	struct pcc_acpi *pcc = acpi_driver_data(acpi);
+
+	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
+		return -EIO;
+
+	return sprintf(buf, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
+}
+
+static ssize_t set_sticky(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t count)
+{
+	struct acpi_device *acpi = to_acpi_device(dev);
+	struct pcc_acpi *pcc = acpi_driver_data(acpi);
+	int val;
+
+	if (count && sscanf(buf, "%i", &val) == 1 &&
+	    (val == 0 || val == 1)) {
+		acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, val);
+		pcc->sticky_mode = val;
+	}
+
+	return count;
+}
+
+static DEVICE_ATTR(numbatt, S_IRUGO, show_numbatt, NULL);
+static DEVICE_ATTR(lcdtype, S_IRUGO, show_lcdtype, NULL);
+static DEVICE_ATTR(mute, S_IRUGO, show_mute, NULL);
+static DEVICE_ATTR(sticky_key, S_IRUGO | S_IWUSR, show_sticky, set_sticky);
+
+static struct attribute *pcc_sysfs_entries[] = {
+	&dev_attr_numbatt.attr,
+	&dev_attr_lcdtype.attr,
+	&dev_attr_mute.attr,
+	&dev_attr_sticky_key.attr,
+	NULL,
+};
+
+static struct attribute_group pcc_attr_group = {
+	.name	= NULL,		/* put in device directory */
+	.attrs	= pcc_sysfs_entries,
+};
+
+
+/* hotkey input device driver */
+
+static int pcc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+{
+	struct pcc_acpi *pcc = input_get_drvdata(dev);
+
+	if (scancode >= ARRAY_SIZE(pcc->keymap))
+		return -EINVAL;
+
+	*keycode = pcc->keymap[scancode];
+
+	return 0;
+}
+
+static int keymap_get_by_keycode(struct pcc_acpi *pcc, int keycode)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++) {
+		if (pcc->keymap[i] == keycode)
+			return i+1;
+	}
+
+	return 0;
+}
+
+static int pcc_setkeycode(struct input_dev *dev, int scancode, int keycode)
+{
+	struct pcc_acpi *pcc = input_get_drvdata(dev);
+	int oldkeycode;
+
+	if (scancode >= ARRAY_SIZE(pcc->keymap))
+		return -EINVAL;
+
+	if (keycode < 0 || keycode > KEY_MAX)
+		return -EINVAL;
+
+	oldkeycode = pcc->keymap[scancode];
+	pcc->keymap[scancode] = keycode;
+
+	set_bit(keycode, dev->keybit);
+
+	if (!keymap_get_by_keycode(pcc, oldkeycode))
+		clear_bit(oldkeycode, dev->keybit);
+
+	return 0;
+}
+
+static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
+{
+	struct input_dev *hotk_input_dev = pcc->input_dev;
+	int rc;
+	int key_code, hkey_num;
+	unsigned long result;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_generate_keyinput");
+
+	rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY,
+				   NULL, &result);
+	if (!ACPI_SUCCESS(rc)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "error getting hotkey status\n"));
+		return;
+	}
+
+	acpi_bus_generate_proc_event(pcc->device, HKEY_NOTIFY, result);
+
+	hkey_num = result & 0xf;
+
+	if (hkey_num < 0 || hkey_num > ARRAY_SIZE(pcc->keymap)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "hotkey number out of range: %d\n",
+				  hkey_num));
+		return;
+	}
+
+	key_code = pcc->keymap[hkey_num];
+
+	if (key_code != KEY_RESERVED) {
+		int pushed = (result & 0x80) ? TRUE : FALSE;
+
+		input_report_key(hotk_input_dev, key_code, pushed);
+		input_sync(hotk_input_dev);
+	}
+
+	return;
+}
+
+static void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
+{
+	struct pcc_acpi *pcc = (struct pcc_acpi *) data;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify");
+
+	switch (event) {
+	case HKEY_NOTIFY:
+		acpi_pcc_generate_keyinput(pcc);
+		break;
+	default:
+		/* nothing to do */
+		break;
+	}
+}
+
+static int acpi_pcc_init_input(struct pcc_acpi *pcc)
+{
+	int i, rc;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
+
+	pcc->input_dev = input_allocate_device();
+	if (!pcc->input_dev) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Couldn't allocate input device for hotkey"));
+		return -ENOMEM;
+	}
+
+	pcc->input_dev->evbit[0] = BIT(EV_KEY);
+
+	pcc->input_dev->name = ACPI_PCC_DRIVER_NAME;
+	pcc->input_dev->phys = ACPI_PCC_INPUT_PHYS;
+	pcc->input_dev->id.bustype = BUS_HOST;
+	pcc->input_dev->id.vendor = 0x0001;
+	pcc->input_dev->id.product = 0x0001;
+	pcc->input_dev->id.version = 0x0100;
+	pcc->input_dev->getkeycode = pcc_getkeycode;
+	pcc->input_dev->setkeycode = pcc_setkeycode;
+
+	/* load initial keymap */
+	memcpy(pcc->keymap, initial_keymap, sizeof(pcc->keymap));
+
+	for (i = 0; i < ARRAY_SIZE(pcc->keymap); i++)
+		__set_bit(pcc->keymap[i], pcc->input_dev->keybit);
+	__clear_bit(KEY_RESERVED, pcc->input_dev->keybit);
+
+	input_set_drvdata(pcc->input_dev, pcc);
+
+	rc = input_register_device(pcc->input_dev);
+	if (rc < 0)
+		input_free_device(pcc->input_dev);
+
+	return rc;
+}
+
+/* kernel module interface */
+
+static int acpi_pcc_hotkey_resume(struct acpi_device *device)
+{
+	struct pcc_acpi *pcc = acpi_driver_data(device);
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
+
+	if (device == NULL || pcc == NULL)
+		return -EINVAL;
+
+	ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Sticky mode restore: %d\n",
+			  pcc->sticky_mode));
+
+	status = acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode);
+
+	return status == AE_OK ? 0 : -EINVAL;
+}
+
+static int acpi_pcc_hotkey_add(struct acpi_device *device)
+{
+	acpi_status status;
+	struct pcc_acpi *pcc;
+	int num_sifr, result;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
+
+	if (!device)
+		return -EINVAL;
+
+	num_sifr = acpi_pcc_get_sqty(device);
+
+	if (num_sifr > 255) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large"));
+		return -ENODEV;
+	}
+
+	pcc = kzalloc(sizeof(struct pcc_acpi), GFP_KERNEL);
+	if (!pcc) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Couldn't allocate mem for pcc"));
+		return -ENOMEM;
+	}
+
+	pcc->sinf = kzalloc(sizeof(u32) * (num_sifr + 1), GFP_KERNEL);
+	if (!pcc->sinf) {
+		result = -ENOMEM;
+		goto out_hotkey;
+	}
+
+	pcc->device = device;
+	pcc->handle = device->handle;
+	pcc->num_sifr = num_sifr;
+	acpi_driver_data(device) = pcc;
+	strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME);
+	strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
+
+	result = acpi_pcc_init_input(pcc);
+	if (result) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Error installing keyinput handler\n"));
+		goto out_sinf;
+	}
+
+	/* initialize hotkey input device */
+	status = acpi_install_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
+					     acpi_pcc_hotkey_notify, pcc);
+
+	if (ACPI_FAILURE(status)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Error installing notify handler\n"));
+		result = -ENODEV;
+		goto out_input;
+	}
+
+	/* initialize backlight */
+	pcc->backlight = backlight_device_register("panasonic", NULL, pcc,
+						   &pcc_backlight_ops);
+	if (IS_ERR(pcc->backlight))
+		goto out_notify;
+
+	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Couldn't retrieve BIOS data\n"));
+		goto out_backlight;
+	}
+
+	/* read the initial brightness setting from the hardware */
+	pcc->backlight->props.max_brightness =
+					pcc->sinf[SINF_AC_MAX_BRIGHT];
+	pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];
+
+	/* read the initial sticky key mode from the hardware */
+	pcc->sticky_mode = pcc->sinf[SINF_STICKY_KEY];
+
+	/* add sysfs attributes */
+	result = sysfs_create_group(&device->dev.kobj, &pcc_attr_group);
+	if (result)
+		goto out_backlight;
+
+	return 0;
+
+out_backlight:
+	backlight_device_unregister(pcc->backlight);
+out_notify:
+	acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
+				   acpi_pcc_hotkey_notify);
+out_input:
+	input_unregister_device(pcc->input_dev);
+	/* no need to input_free_device() since core input API refcount and
+	 * free()s the device */
+out_sinf:
+	kfree(pcc->sinf);
+out_hotkey:
+	kfree(pcc);
+
+	return result;
+}
+
+static int __init acpi_pcc_init(void)
+{
+	int result = 0;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_init");
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	result = acpi_bus_register_driver(&acpi_pcc_driver);
+	if (result < 0) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "Error registering hotkey driver\n"));
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
+{
+	struct pcc_acpi *pcc = acpi_driver_data(device);
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
+
+	if (!device || !pcc)
+		return -EINVAL;
+
+	sysfs_remove_group(&device->dev.kobj, &pcc_attr_group);
+
+	backlight_device_unregister(pcc->backlight);
+
+	acpi_remove_notify_handler(pcc->handle, ACPI_DEVICE_NOTIFY,
+				   acpi_pcc_hotkey_notify);
+
+	input_unregister_device(pcc->input_dev);
+	/* no need to input_free_device() since core input API refcount and
+	 * free()s the device */
+
+	kfree(pcc->sinf);
+	kfree(pcc);
+
+	return 0;
+}
+
+static void __exit acpi_pcc_exit(void)
+{
+	ACPI_FUNCTION_TRACE("acpi_pcc_exit");
+
+	acpi_bus_unregister_driver(&acpi_pcc_driver);
+}
+
+module_init(acpi_pcc_init);
+module_exit(acpi_pcc_exit);
-- 
GitLab


From 4c168eaf7ea39f25a45a3d8c7eebc3fedb633a1d Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Wed, 24 Sep 2008 11:08:52 +0200
Subject: [PATCH 0234/2224] Revert "Oprofile Multiplexing Patch"

Reverting commit 1a960b402a51d80abf54e3f8e4972374ffe5f22d for the main
branch. Multiplexing will be tracked on a separate feature branch.

Conflicts:

    arch/x86/oprofile/nmi_int.c
---
 arch/x86/oprofile/nmi_int.c       | 100 +++---------------------------
 arch/x86/oprofile/op_counter.h    |   3 +-
 arch/x86/oprofile/op_model_amd.c  |  76 +++++++++--------------
 arch/x86/oprofile/op_model_p4.c   |   4 --
 arch/x86/oprofile/op_model_ppro.c |   2 -
 arch/x86/oprofile/op_x86_model.h  |   3 -
 drivers/oprofile/oprof.c          |  58 +----------------
 drivers/oprofile/oprof.h          |   4 +-
 drivers/oprofile/oprofile_files.c |  39 +-----------
 include/linux/oprofile.h          |   3 -
 10 files changed, 45 insertions(+), 247 deletions(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 4108d02c529..287513a0981 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -23,18 +23,12 @@
 #include "op_counter.h"
 #include "op_x86_model.h"
 
-DEFINE_PER_CPU(int, switch_index);
-
 static struct op_x86_model_spec const *model;
 static DEFINE_PER_CPU(struct op_msrs, cpu_msrs);
 static DEFINE_PER_CPU(unsigned long, saved_lvtpc);
 
 static int nmi_start(void);
 static void nmi_stop(void);
-static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs);
-static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs);
-static void nmi_cpu_stop(void *dummy);
-static void nmi_cpu_start(void *dummy);
 
 /* 0 == registered but off, 1 == registered and on */
 static int nmi_enabled = 0;
@@ -87,47 +81,6 @@ static void exit_sysfs(void)
 #define exit_sysfs() do { } while (0)
 #endif /* CONFIG_PM */
 
-static void nmi_cpu_switch(void *dummy)
-{
-	int cpu = smp_processor_id();
-	int si = per_cpu(switch_index, cpu);
-	struct op_msrs *msrs = &per_cpu(cpu_msrs, cpu);
-
-	nmi_cpu_stop(NULL);
-	nmi_cpu_save_mpx_registers(msrs);
-
-	/* move to next set */
-	si += model->num_hardware_counters;
-	if ((si > model->num_counters) || (counter_config[si].count == 0))
-		per_cpu(switch_index, smp_processor_id()) = 0;
-	else
-		per_cpu(switch_index, smp_processor_id()) = si;
-
-	nmi_cpu_restore_mpx_registers(msrs);
-	model->setup_ctrs(msrs);
-	nmi_cpu_start(NULL);
-}
-
-/*
- * Quick check to see if multiplexing is necessary.
- * The check should be sufficient since counters are used
- * in ordre.
- */
-static int nmi_multiplex_on(void)
-{
-	return counter_config[model->num_hardware_counters].count ? 0 : -EINVAL;
-}
-
-static int nmi_switch_event(void)
-{
-	if (nmi_multiplex_on() < 0)
-		return -EINVAL;
-
-	on_each_cpu(nmi_cpu_switch, NULL, 1);
-
-	return 0;
-}
-
 static int profile_exceptions_notify(struct notifier_block *self,
 				     unsigned long val, void *data)
 {
@@ -191,10 +144,11 @@ static void free_msrs(void)
 
 static int allocate_msrs(void)
 {
-	int i, success = 1;
+	int success = 1;
 	size_t controls_size = sizeof(struct op_msr) * model->num_controls;
 	size_t counters_size = sizeof(struct op_msr) * model->num_counters;
 
+	int i;
 	for_each_possible_cpu(i) {
 		per_cpu(cpu_msrs, i).counters = kmalloc(counters_size,
 								GFP_KERNEL);
@@ -202,8 +156,8 @@ static int allocate_msrs(void)
 			success = 0;
 			break;
 		}
-		per_cpu(cpu_msrs, i).controls =
-				kmalloc(controls_size, GFP_KERNEL);
+		per_cpu(cpu_msrs, i).controls = kmalloc(controls_size,
+								GFP_KERNEL);
 		if (!per_cpu(cpu_msrs, i).controls) {
 			success = 0;
 			break;
@@ -247,8 +201,7 @@ static int nmi_setup(void)
 		return err;
 	}
 
-	/*
-	 * We need to serialize save and setup for HT because the subset
+	/* We need to serialize save and setup for HT because the subset
 	 * of msrs are distinct for save and setup operations
 	 */
 
@@ -264,6 +217,7 @@ static int nmi_setup(void)
 				per_cpu(cpu_msrs, 0).controls,
 				sizeof(struct op_msr) * model->num_controls);
 		}
+
 	}
 	on_each_cpu(nmi_save_registers, NULL, 1);
 	on_each_cpu(nmi_cpu_setup, NULL, 1);
@@ -271,41 +225,7 @@ static int nmi_setup(void)
 	return 0;
 }
 
-static void nmi_cpu_save_mpx_registers(struct op_msrs *msrs)
-{
-	unsigned int si = __get_cpu_var(switch_index);
-	unsigned int const nr_ctrs = model->num_hardware_counters;
-	struct op_msr *counters = &msrs->counters[si];
-	unsigned int i;
-
-	for (i = 0; i < nr_ctrs; ++i) {
-		int offset = i + si;
-		if (counters[offset].addr) {
-			rdmsr(counters[offset].addr,
-				counters[offset].multiplex.low,
-				counters[offset].multiplex.high);
-		}
-	}
-}
-
-static void nmi_cpu_restore_mpx_registers(struct op_msrs *msrs)
-{
-	unsigned int si = __get_cpu_var(switch_index);
-	unsigned int const nr_ctrs = model->num_hardware_counters;
-	struct op_msr *counters = &msrs->counters[si];
-	unsigned int i;
-
-	for (i = 0; i < nr_ctrs; ++i) {
-		int offset = i + si;
-		if (counters[offset].addr) {
-			wrmsr(counters[offset].addr,
-				counters[offset].multiplex.low,
-				counters[offset].multiplex.high);
-		}
-	}
-}
-
-static void nmi_cpu_restore_registers(struct op_msrs *msrs)
+static void nmi_restore_registers(struct op_msrs *msrs)
 {
 	unsigned int const nr_ctrs = model->num_counters;
 	unsigned int const nr_ctrls = model->num_controls;
@@ -345,8 +265,7 @@ static void nmi_cpu_shutdown(void *dummy)
 	apic_write(APIC_LVTERR, v | APIC_LVT_MASKED);
 	apic_write(APIC_LVTPC, per_cpu(saved_lvtpc, cpu));
 	apic_write(APIC_LVTERR, v);
-	nmi_cpu_restore_registers(msrs);
-	__get_cpu_var(switch_index) = 0;
+	nmi_restore_registers(msrs);
 }
 
 static void nmi_shutdown(void)
@@ -409,7 +328,6 @@ static int nmi_create_files(struct super_block *sb, struct dentry *root)
 		oprofilefs_create_ulong(sb, dir, "unit_mask", &counter_config[i].unit_mask);
 		oprofilefs_create_ulong(sb, dir, "kernel", &counter_config[i].kernel);
 		oprofilefs_create_ulong(sb, dir, "user", &counter_config[i].user);
-		counter_config[i].save_count_low = 0;
 	}
 
 	return 0;
@@ -551,14 +469,12 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 	}
 
 	/* default values, can be overwritten by model */
-	__raw_get_cpu_var(switch_index) = 0;
 	ops->create_files = nmi_create_files;
 	ops->setup = nmi_setup;
 	ops->shutdown = nmi_shutdown;
 	ops->start = nmi_start;
 	ops->stop = nmi_stop;
 	ops->cpu_type = cpu_type;
-	ops->switch_events = nmi_switch_event;
 
 	if (model->init)
 		ret = model->init(ops);
diff --git a/arch/x86/oprofile/op_counter.h b/arch/x86/oprofile/op_counter.h
index 786d6e01cf7..2880b15c467 100644
--- a/arch/x86/oprofile/op_counter.h
+++ b/arch/x86/oprofile/op_counter.h
@@ -10,14 +10,13 @@
 #ifndef OP_COUNTER_H
 #define OP_COUNTER_H
  
-#define OP_MAX_COUNTER 32
+#define OP_MAX_COUNTER 8
  
 /* Per-perfctr configuration as set via
  * oprofilefs.
  */
 struct op_counter_config {
         unsigned long count;
-		unsigned long save_count_low;
         unsigned long enabled;
         unsigned long event;
         unsigned long kernel;
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index bbf2b68bcc5..d9faf607b3a 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -15,7 +15,6 @@
 #include <linux/oprofile.h>
 #include <linux/device.h>
 #include <linux/pci.h>
-#include <linux/percpu.h>
 
 #include <asm/ptrace.h>
 #include <asm/msr.h>
@@ -24,10 +23,8 @@
 #include "op_x86_model.h"
 #include "op_counter.h"
 
-#define NUM_COUNTERS 32
-#define NUM_HARDWARE_COUNTERS 4
-#define NUM_CONTROLS 32
-#define NUM_HARDWARE_CONTROLS 4
+#define NUM_COUNTERS 4
+#define NUM_CONTROLS 4
 
 #define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0)
 #define CTR_READ(l, h, msrs, c) do {rdmsr(msrs->counters[(c)].addr, (l), (h)); } while (0)
@@ -51,7 +48,6 @@
 #define CTRL_SET_GUEST_ONLY(val, h) (val |= ((h & 1) << 8))
 
 static unsigned long reset_value[NUM_COUNTERS];
-DECLARE_PER_CPU(int, switch_index);
 
 #ifdef CONFIG_OPROFILE_IBS
 
@@ -134,17 +130,15 @@ static void op_amd_fill_in_addresses(struct op_msrs * const msrs)
 	int i;
 
 	for (i = 0; i < NUM_COUNTERS; i++) {
-		int hw_counter = i % NUM_HARDWARE_COUNTERS;
-		if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + hw_counter))
-			msrs->counters[i].addr = MSR_K7_PERFCTR0 + hw_counter;
+		if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
+			msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
 		else
 			msrs->counters[i].addr = 0;
 	}
 
 	for (i = 0; i < NUM_CONTROLS; i++) {
-		int hw_control = i % NUM_HARDWARE_CONTROLS;
-		if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + hw_control))
-			msrs->controls[i].addr = MSR_K7_EVNTSEL0 + hw_control;
+		if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))
+			msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
 		else
 			msrs->controls[i].addr = 0;
 	}
@@ -156,16 +150,8 @@ static void op_amd_setup_ctrs(struct op_msrs const * const msrs)
 	unsigned int low, high;
 	int i;
 
-	for (i = 0; i < NUM_HARDWARE_CONTROLS; ++i) {
-		int offset = i + __get_cpu_var(switch_index);
-		if (counter_config[offset].enabled)
-			reset_value[offset] = counter_config[offset].count;
-		else
-			reset_value[offset] = 0;
-	}
-
 	/* clear all counters */
-	for (i = 0 ; i < NUM_HARDWARE_CONTROLS; ++i) {
+	for (i = 0 ; i < NUM_CONTROLS; ++i) {
 		if (unlikely(!CTRL_IS_RESERVED(msrs, i)))
 			continue;
 		CTRL_READ(low, high, msrs, i);
@@ -175,31 +161,34 @@ static void op_amd_setup_ctrs(struct op_msrs const * const msrs)
 	}
 
 	/* avoid a false detection of ctr overflows in NMI handler */
-	for (i = 0; i < NUM_HARDWARE_COUNTERS; ++i) {
+	for (i = 0; i < NUM_COUNTERS; ++i) {
 		if (unlikely(!CTR_IS_RESERVED(msrs, i)))
 			continue;
 		CTR_WRITE(1, msrs, i);
 	}
 
 	/* enable active counters */
-	for (i = 0; i < NUM_HARDWARE_COUNTERS; ++i) {
-		int offset = i + __get_cpu_var(switch_index);
-		if ((counter_config[offset].enabled) && (CTR_IS_RESERVED(msrs, i))) {
-			CTR_WRITE(counter_config[offset].count, msrs, i);
+	for (i = 0; i < NUM_COUNTERS; ++i) {
+		if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs, i))) {
+			reset_value[i] = counter_config[i].count;
+
+			CTR_WRITE(counter_config[i].count, msrs, i);
 
 			CTRL_READ(low, high, msrs, i);
 			CTRL_CLEAR_LO(low);
 			CTRL_CLEAR_HI(high);
 			CTRL_SET_ENABLE(low);
-			CTRL_SET_USR(low, counter_config[offset].user);
-			CTRL_SET_KERN(low, counter_config[offset].kernel);
-			CTRL_SET_UM(low, counter_config[offset].unit_mask);
-			CTRL_SET_EVENT_LOW(low, counter_config[offset].event);
-			CTRL_SET_EVENT_HIGH(high, counter_config[offset].event);
+			CTRL_SET_USR(low, counter_config[i].user);
+			CTRL_SET_KERN(low, counter_config[i].kernel);
+			CTRL_SET_UM(low, counter_config[i].unit_mask);
+			CTRL_SET_EVENT_LOW(low, counter_config[i].event);
+			CTRL_SET_EVENT_HIGH(high, counter_config[i].event);
 			CTRL_SET_HOST_ONLY(high, 0);
 			CTRL_SET_GUEST_ONLY(high, 0);
 
 			CTRL_WRITE(low, high, msrs, i);
+		} else {
+			reset_value[i] = 0;
 		}
 	}
 }
@@ -287,14 +276,13 @@ static int op_amd_check_ctrs(struct pt_regs * const regs,
 	unsigned int low, high;
 	int i;
 
-	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
-		int offset = i + __get_cpu_var(switch_index);
-		if (!reset_value[offset])
+	for (i = 0 ; i < NUM_COUNTERS; ++i) {
+		if (!reset_value[i])
 			continue;
 		CTR_READ(low, high, msrs, i);
 		if (CTR_OVERFLOWED(low)) {
-			oprofile_add_sample(regs, offset);
-			CTR_WRITE(reset_value[offset], msrs, i);
+			oprofile_add_sample(regs, i);
+			CTR_WRITE(reset_value[i], msrs, i);
 		}
 	}
 
@@ -310,10 +298,8 @@ static void op_amd_start(struct op_msrs const * const msrs)
 {
 	unsigned int low, high;
 	int i;
-
-	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
-		int offset = i + __get_cpu_var(switch_index);
-		if (reset_value[offset]) {
+	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
+		if (reset_value[i]) {
 			CTRL_READ(low, high, msrs, i);
 			CTRL_SET_ACTIVE(low);
 			CTRL_WRITE(low, high, msrs, i);
@@ -343,8 +329,8 @@ static void op_amd_stop(struct op_msrs const * const msrs)
 
 	/* Subtle: stop on all counters to avoid race with
 	 * setting our pm callback */
-	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
-		if (!reset_value[i + per_cpu(switch_index, smp_processor_id())])
+	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
+		if (!reset_value[i])
 			continue;
 		CTRL_READ(low, high, msrs, i);
 		CTRL_SET_INACTIVE(low);
@@ -370,11 +356,11 @@ static void op_amd_shutdown(struct op_msrs const * const msrs)
 {
 	int i;
 
-	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
+	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
 		if (CTR_IS_RESERVED(msrs, i))
 			release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
 	}
-	for (i = 0 ; i < NUM_HARDWARE_COUNTERS ; ++i) {
+	for (i = 0 ; i < NUM_CONTROLS ; ++i) {
 		if (CTRL_IS_RESERVED(msrs, i))
 			release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
 	}
@@ -548,8 +534,6 @@ struct op_x86_model_spec const op_amd_spec = {
 	.exit = op_amd_exit,
 	.num_counters = NUM_COUNTERS,
 	.num_controls = NUM_CONTROLS,
-	.num_hardware_counters = NUM_HARDWARE_COUNTERS,
-	.num_hardware_controls = NUM_HARDWARE_CONTROLS,
 	.fill_in_addresses = &op_amd_fill_in_addresses,
 	.setup_ctrs = &op_amd_setup_ctrs,
 	.check_ctrs = &op_amd_check_ctrs,
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
index cacba61ffba..43ac5af338d 100644
--- a/arch/x86/oprofile/op_model_p4.c
+++ b/arch/x86/oprofile/op_model_p4.c
@@ -700,8 +700,6 @@ static void p4_shutdown(struct op_msrs const * const msrs)
 struct op_x86_model_spec const op_p4_ht2_spec = {
 	.num_counters = NUM_COUNTERS_HT2,
 	.num_controls = NUM_CONTROLS_HT2,
-	.num_hardware_counters = NUM_COUNTERS_HT2,
-	.num_hardware_controls = NUM_CONTROLS_HT2,
 	.fill_in_addresses = &p4_fill_in_addresses,
 	.setup_ctrs = &p4_setup_ctrs,
 	.check_ctrs = &p4_check_ctrs,
@@ -714,8 +712,6 @@ struct op_x86_model_spec const op_p4_ht2_spec = {
 struct op_x86_model_spec const op_p4_spec = {
 	.num_counters = NUM_COUNTERS_NON_HT,
 	.num_controls = NUM_CONTROLS_NON_HT,
-	.num_hardware_counters = NUM_COUNTERS_NON_HT,
-	.num_hardware_controls = NUM_CONTROLS_NON_HT,
 	.fill_in_addresses = &p4_fill_in_addresses,
 	.setup_ctrs = &p4_setup_ctrs,
 	.check_ctrs = &p4_check_ctrs,
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index e5811aa480e..eff431f6c57 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -183,8 +183,6 @@ static void ppro_shutdown(struct op_msrs const * const msrs)
 struct op_x86_model_spec const op_ppro_spec = {
 	.num_counters = NUM_COUNTERS,
 	.num_controls = NUM_CONTROLS,
-	.num_hardware_counters = NUM_COUNTERS,
-	.num_hardware_controls = NUM_CONTROLS,
 	.fill_in_addresses = &ppro_fill_in_addresses,
 	.setup_ctrs = &ppro_setup_ctrs,
 	.check_ctrs = &ppro_check_ctrs,
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index e07ba107637..05a0261ba0c 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -19,7 +19,6 @@ struct op_saved_msr {
 struct op_msr {
 	unsigned long addr;
 	struct op_saved_msr saved;
-	struct op_saved_msr multiplex;
 };
 
 struct op_msrs {
@@ -35,8 +34,6 @@ struct pt_regs;
 struct op_x86_model_spec {
 	int (*init)(struct oprofile_operations *ops);
 	void (*exit)(void);
-	unsigned int const num_hardware_counters;
-	unsigned int const num_hardware_controls;
 	unsigned int const num_counters;
 	unsigned int const num_controls;
 	void (*fill_in_addresses)(struct op_msrs * const msrs);
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index b2fa5df64a6..2c645170f06 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -12,8 +12,6 @@
 #include <linux/init.h>
 #include <linux/oprofile.h>
 #include <linux/moduleparam.h>
-#include <linux/workqueue.h>
-#include <linux/time.h>
 #include <asm/mutex.h>
 
 #include "oprof.h"
@@ -21,18 +19,13 @@
 #include "cpu_buffer.h"
 #include "buffer_sync.h"
 #include "oprofile_stats.h"
-
-static unsigned long is_setup;
-static void switch_worker(struct work_struct *work);
-static DECLARE_DELAYED_WORK(switch_work, switch_worker);
-static DEFINE_MUTEX(start_mutex);
  
 struct oprofile_operations oprofile_ops;
 
-unsigned long timeout_jiffies;
 unsigned long oprofile_started;
 unsigned long backtrace_depth;
-/* Multiplexing defaults at 1 msec*/
+static unsigned long is_setup;
+static DEFINE_MUTEX(start_mutex);
 
 /* timer
    0 - use performance monitoring hardware if available
@@ -94,16 +87,6 @@ out:
 	return err;
 }
 
-static void start_switch_worker(void)
-{
-	schedule_delayed_work(&switch_work, timeout_jiffies);
-}
-
-static void switch_worker(struct work_struct *work)
-{
-	if (!oprofile_ops.switch_events())
-		start_switch_worker();
-}
 
 /* Actually start profiling (echo 1>/dev/oprofile/enable) */
 int oprofile_start(void)
@@ -111,6 +94,7 @@ int oprofile_start(void)
 	int err = -EINVAL;
  
 	mutex_lock(&start_mutex);
+ 
 	if (!is_setup)
 		goto out;
 
@@ -124,9 +108,6 @@ int oprofile_start(void)
 	if ((err = oprofile_ops.start()))
 		goto out;
 
-	if (oprofile_ops.switch_events)
-		start_switch_worker();
-
 	oprofile_started = 1;
 out:
 	mutex_unlock(&start_mutex);
@@ -142,7 +123,6 @@ void oprofile_stop(void)
 		goto out;
 	oprofile_ops.stop();
 	oprofile_started = 0;
-	cancel_delayed_work_sync(&switch_work);
 	/* wake up the daemon to read what remains */
 	wake_up_buffer_waiter();
 out:
@@ -175,32 +155,6 @@ post_sync:
 	mutex_unlock(&start_mutex);
 }
 
-/* User inputs in ms, converts to jiffies */
-int oprofile_set_timeout(unsigned long val_msec)
-{
-	int err = 0;
-
-	mutex_lock(&start_mutex);
-
-	if (oprofile_started) {
-		err = -EBUSY;
-		goto out;
-	}
-
-	if (!oprofile_ops.switch_events) {
-		err = -EINVAL;
-		goto out;
-	}
-
-	timeout_jiffies = msecs_to_jiffies(val_msec);
-	if (timeout_jiffies == MAX_JIFFY_OFFSET)
-		timeout_jiffies = msecs_to_jiffies(1);
-
-out:
-	mutex_unlock(&start_mutex);
-	return err;
-
-}
 
 int oprofile_set_backtrace(unsigned long val)
 {
@@ -225,16 +179,10 @@ out:
 	return err;
 }
 
-static void __init oprofile_switch_timer_init(void)
-{
-	timeout_jiffies = msecs_to_jiffies(1);
-}
-
 static int __init oprofile_init(void)
 {
 	int err;
 
-	oprofile_switch_timer_init();
 	err = oprofile_arch_init(&oprofile_ops);
 
 	if (err < 0 || timer) {
diff --git a/drivers/oprofile/oprof.h b/drivers/oprofile/oprof.h
index c4406a7366b..18323650806 100644
--- a/drivers/oprofile/oprof.h
+++ b/drivers/oprofile/oprof.h
@@ -27,8 +27,7 @@ extern unsigned long fs_buffer_watershed;
 extern struct oprofile_operations oprofile_ops;
 extern unsigned long oprofile_started;
 extern unsigned long backtrace_depth;
-extern unsigned long timeout_jiffies;
-
+ 
 struct super_block;
 struct dentry;
 
@@ -36,6 +35,5 @@ void oprofile_create_files(struct super_block * sb, struct dentry * root);
 void oprofile_timer_init(struct oprofile_operations * ops);
 
 int oprofile_set_backtrace(unsigned long depth);
-int oprofile_set_timeout(unsigned long time);
  
 #endif /* OPROF_H */
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index cc4f5a1f8ef..ef953ba5ab6 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -9,7 +9,6 @@
 
 #include <linux/fs.h>
 #include <linux/oprofile.h>
-#include <linux/jiffies.h>
 
 #include "event_buffer.h"
 #include "oprofile_stats.h"
@@ -19,40 +18,6 @@ unsigned long fs_buffer_size = 131072;
 unsigned long fs_cpu_buffer_size = 8192;
 unsigned long fs_buffer_watershed = 32768; /* FIXME: tune */
 
-static ssize_t timeout_read(struct file *file, char __user *buf,
-		size_t count, loff_t *offset)
-{
-	return oprofilefs_ulong_to_user(jiffies_to_msecs(timeout_jiffies),
-				buf, count, offset);
-}
-
-
-static ssize_t timeout_write(struct file *file, char const __user *buf,
-		size_t count, loff_t *offset)
-{
-	unsigned long val;
-	int retval;
-
-	if (*offset)
-		return -EINVAL;
-
-	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
-		return retval;
-
-	retval = oprofile_set_timeout(val);
-
-	if (retval)
-		return retval;
-	return count;
-}
-
-static const struct file_operations timeout_fops = {
-	.read		= timeout_read,
-	.write		= timeout_write,
-};
-
-
 static ssize_t depth_read(struct file * file, char __user * buf, size_t count, loff_t * offset)
 {
 	return oprofilefs_ulong_to_user(backtrace_depth, buf, count, offset);
@@ -120,10 +85,11 @@ static ssize_t enable_write(struct file * file, char const __user * buf, size_t
 
 	if (*offset)
 		return -EINVAL;
+
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
 	if (retval)
 		return retval;
-
+ 
 	if (val)
 		retval = oprofile_start();
 	else
@@ -163,7 +129,6 @@ void oprofile_create_files(struct super_block * sb, struct dentry * root)
 	oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops); 
 	oprofilefs_create_file(sb, root, "backtrace_depth", &depth_fops);
 	oprofilefs_create_file(sb, root, "pointer_size", &pointer_size_fops);
-	oprofilefs_create_file(sb, root, "timeout_ms", &timeout_fops);
 	oprofile_create_stats_files(sb, root);
 	if (oprofile_ops.create_files)
 		oprofile_ops.create_files(sb, root);
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 687f2f4c36a..bcb8f725427 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -67,9 +67,6 @@ struct oprofile_operations {
 
 	/* Initiate a stack backtrace. Optional. */
 	void (*backtrace)(struct pt_regs * const regs, unsigned int depth);
-
-	/* Multiplex between different events. Optional. */
-	int (*switch_events)(void);
 	/* CPU identification string. */
 	char * cpu_type;
 };
-- 
GitLab


From 4aa7361179bed905fd0f35b236a5c65db683b9e0 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:46 -0700
Subject: [PATCH 0235/2224] posix-timers: don't switch to ->group_leader if
 ->it_process dies

posix_timer_event() drops SIGEV_THREAD_ID and switches to ->group_leader
if send_sigqueue() fails.

This is not very useful and doesn't work reliably.  send_sigqueue() can
only fail if ->it_process is dead.  But it can die before it dequeues the
SI_TIMER signal, in that case the timer stops anyway.

Remove this code.  I guess it was needed a long ago to ensure that the
timer is not destroyed when when its creator thread dies.

Q: perhaps it makes sense to change sys_timer_settime() to return an error
if ->it_process is dead?

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index e36d5798cbf..3dfd15aecc6 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -298,6 +298,7 @@ void do_schedule_next_timer(struct siginfo *info)
 
 int posix_timer_event(struct k_itimer *timr, int si_private)
 {
+	int shared, ret;
 	/*
 	 * FIXME: if ->sigq is queued we can race with
 	 * dequeue_signal()->do_schedule_next_timer().
@@ -316,20 +317,10 @@ int posix_timer_event(struct k_itimer *timr, int si_private)
 	timr->sigq->info.si_tid = timr->it_id;
 	timr->sigq->info.si_value = timr->it_sigev_value;
 
-	if (timr->it_sigev_notify & SIGEV_THREAD_ID) {
-		struct task_struct *leader;
-		int ret = send_sigqueue(timr->sigq, timr->it_process, 0);
-
-		if (likely(ret >= 0))
-			return ret;
-
-		timr->it_sigev_notify = SIGEV_SIGNAL;
-		leader = timr->it_process->group_leader;
-		put_task_struct(timr->it_process);
-		timr->it_process = leader;
-	}
-
-	return send_sigqueue(timr->sigq, timr->it_process, 1);
+	shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
+	ret = send_sigqueue(timr->sigq, timr->it_process, shared);
+	/* If we failed to send the signal the timer stops. */
+	return ret > 0;
 }
 EXPORT_SYMBOL_GPL(posix_timer_event);
 
-- 
GitLab


From 918fc0372831dca73039e1577bfea0c2ce49bdb6 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:46 -0700
Subject: [PATCH 0236/2224] posix-timers: always do
 get_task_struct(timer->it_process)

Change the code to get/put timer->it_process regardless of
SIGEV_THREAD_ID.  This streamlines the create/destroy paths and allows us
to simplify the usage of exit_itimers() in de_thread().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 3dfd15aecc6..bd9c931b365 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -540,11 +540,10 @@ sys_timer_create(const clockid_t which_clock,
 			 */
 			spin_lock_irqsave(&process->sighand->siglock, flags);
 			if (!(process->flags & PF_EXITING)) {
+				get_task_struct(process);
 				new_timer->it_process = process;
 				list_add(&new_timer->list,
 					 &process->signal->posix_timers);
-				if (new_timer->it_sigev_notify == (SIGEV_SIGNAL|SIGEV_THREAD_ID))
-					get_task_struct(process);
 				spin_unlock_irqrestore(&process->sighand->siglock, flags);
 			} else {
 				spin_unlock_irqrestore(&process->sighand->siglock, flags);
@@ -561,6 +560,7 @@ sys_timer_create(const clockid_t which_clock,
 		new_timer->it_sigev_signo = SIGALRM;
 		new_timer->it_sigev_value.sival_int = new_timer->it_id;
 		process = current->group_leader;
+		get_task_struct(process);
 		spin_lock_irqsave(&process->sighand->siglock, flags);
 		new_timer->it_process = process;
 		list_add(&new_timer->list, &process->signal->posix_timers);
@@ -853,8 +853,7 @@ retry_delete:
 	 * This keeps any tasks waiting on the spin lock from thinking
 	 * they got something (see the lock code above).
 	 */
-	if (timer->it_sigev_notify == (SIGEV_SIGNAL|SIGEV_THREAD_ID))
-		put_task_struct(timer->it_process);
+	put_task_struct(timer->it_process);
 	timer->it_process = NULL;
 
 	unlock_timer(timer, flags);
@@ -881,8 +880,7 @@ retry_delete:
 	 * This keeps any tasks waiting on the spin lock from thinking
 	 * they got something (see the lock code above).
 	 */
-	if (timer->it_sigev_notify == (SIGEV_SIGNAL|SIGEV_THREAD_ID))
-		put_task_struct(timer->it_process);
+	put_task_struct(timer->it_process);
 	timer->it_process = NULL;
 
 	unlock_timer(timer, flags);
-- 
GitLab


From 2cd499e38ec241691e4bce50bddc8f57e4cc9bd0 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:47 -0700
Subject: [PATCH 0237/2224] posix-timers: sys_timer_create: remove the buggy
 PF_EXITING check

sys_timer_create() return -EINVAL if the target thread has PF_EXITING.

This doesn't really make sense, the sub-thread can die right after unlock.
And in fact, this is just wrong.  Without SIGEV_THREAD_ID good_sigevent()
returns ->group_leader, and it is very possible that the leader is already
dead.  This is OK, we shouldn't return the error in this case.

Remove this check and the comment.  Note that the "process" was found
under tasklist_lock, it must have ->sighand != NULL.

Also, remove a couple of unneeded initializations.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 34 +++++++---------------------------
 1 file changed, 7 insertions(+), 27 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index bd9c931b365..60b262051d1 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -460,9 +460,9 @@ sys_timer_create(const clockid_t which_clock,
 		 timer_t __user * created_timer_id)
 {
 	int error = 0;
-	struct k_itimer *new_timer = NULL;
+	struct k_itimer *new_timer;
 	int new_timer_id;
-	struct task_struct *process = NULL;
+	struct task_struct *process;
 	unsigned long flags;
 	sigevent_t event;
 	int it_id_set = IT_ID_NOT_SET;
@@ -523,32 +523,12 @@ sys_timer_create(const clockid_t which_clock,
 
 		read_lock(&tasklist_lock);
 		if ((process = good_sigevent(&event))) {
-			/*
-			 * We may be setting up this process for another
-			 * thread.  It may be exiting.  To catch this
-			 * case the we check the PF_EXITING flag.  If
-			 * the flag is not set, the siglock will catch
-			 * him before it is too late (in exit_itimers).
-			 *
-			 * The exec case is a bit more invloved but easy
-			 * to code.  If the process is in our thread
-			 * group (and it must be or we would not allow
-			 * it here) and is doing an exec, it will cause
-			 * us to be killed.  In this case it will wait
-			 * for us to die which means we can finish this
-			 * linkage with our last gasp. I.e. no code :)
-			 */
+			get_task_struct(process);
 			spin_lock_irqsave(&process->sighand->siglock, flags);
-			if (!(process->flags & PF_EXITING)) {
-				get_task_struct(process);
-				new_timer->it_process = process;
-				list_add(&new_timer->list,
-					 &process->signal->posix_timers);
-				spin_unlock_irqrestore(&process->sighand->siglock, flags);
-			} else {
-				spin_unlock_irqrestore(&process->sighand->siglock, flags);
-				process = NULL;
-			}
+			new_timer->it_process = process;
+			list_add(&new_timer->list,
+				&process->signal->posix_timers);
+			spin_unlock_irqrestore(&process->sighand->siglock, flags);
 		}
 		read_unlock(&tasklist_lock);
 		if (!process) {
-- 
GitLab


From 36b2f046000b358b62b9d116cb10a2b1c5be5cbf Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:48 -0700
Subject: [PATCH 0238/2224] posix-timers: sys_timer_create: simplify and
 s/tasklist/rcu/

- Change the code to do rcu_read_lock() instead of taking tasklist_lock,
  it is safe to get_task_struct(p) if p was found under RCU.

  However, now we must not use process's sighand/signal, they may be NULL.
  We can use current->sighand/signal instead, this "process" must belong
  to the current's thread-group.

- Factor out the common code for 2 "if (timer_event_spec)" branches, the
  !timer_event_spec case can use current too.

- use spin_lock_irq() instead of _irqsave(), kill "flags".

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 60b262051d1..5b761903b49 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -463,7 +463,6 @@ sys_timer_create(const clockid_t which_clock,
 	struct k_itimer *new_timer;
 	int new_timer_id;
 	struct task_struct *process;
-	unsigned long flags;
 	sigevent_t event;
 	int it_id_set = IT_ID_NOT_SET;
 
@@ -521,16 +520,11 @@ sys_timer_create(const clockid_t which_clock,
 		new_timer->it_sigev_signo = event.sigev_signo;
 		new_timer->it_sigev_value = event.sigev_value;
 
-		read_lock(&tasklist_lock);
-		if ((process = good_sigevent(&event))) {
+		rcu_read_lock();
+		process = good_sigevent(&event);
+		if (process)
 			get_task_struct(process);
-			spin_lock_irqsave(&process->sighand->siglock, flags);
-			new_timer->it_process = process;
-			list_add(&new_timer->list,
-				&process->signal->posix_timers);
-			spin_unlock_irqrestore(&process->sighand->siglock, flags);
-		}
-		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 		if (!process) {
 			error = -EINVAL;
 			goto out;
@@ -541,19 +535,18 @@ sys_timer_create(const clockid_t which_clock,
 		new_timer->it_sigev_value.sival_int = new_timer->it_id;
 		process = current->group_leader;
 		get_task_struct(process);
-		spin_lock_irqsave(&process->sighand->siglock, flags);
-		new_timer->it_process = process;
-		list_add(&new_timer->list, &process->signal->posix_timers);
-		spin_unlock_irqrestore(&process->sighand->siglock, flags);
 	}
 
+	spin_lock_irq(&current->sighand->siglock);
+	new_timer->it_process = process;
+	list_add(&new_timer->list, &current->signal->posix_timers);
+	spin_unlock_irq(&current->sighand->siglock);
  	/*
 	 * In the case of the timer belonging to another task, after
 	 * the task is unlocked, the timer is owned by the other task
 	 * and may cease to exist at any time.  Don't use or modify
 	 * new_timer after the unlock call.
 	 */
-
 out:
 	if (error)
 		release_posix_timer(new_timer, it_id_set);
-- 
GitLab


From 717835d94d3e3d343a302df0a3cb9405887c3e2a Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:49 -0700
Subject: [PATCH 0239/2224] posix-timers: move the initialization of
 timer->sigq from send to create path

posix_timer_event() always populates timer->sigq with the same numbers,
move this code into sys_timer_create().

Note that with this patch we can kill it_sigev_signo and it_sigev_value.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 5b761903b49..c459b29efdd 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -312,11 +312,6 @@ int posix_timer_event(struct k_itimer *timr, int si_private)
 	 */
 	timr->sigq->info.si_sys_private = si_private;
 
-	timr->sigq->info.si_signo = timr->it_sigev_signo;
-	timr->sigq->info.si_code = SI_TIMER;
-	timr->sigq->info.si_tid = timr->it_id;
-	timr->sigq->info.si_value = timr->it_sigev_value;
-
 	shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
 	ret = send_sigqueue(timr->sigq, timr->it_process, shared);
 	/* If we failed to send the signal the timer stops. */
@@ -537,6 +532,11 @@ sys_timer_create(const clockid_t which_clock,
 		get_task_struct(process);
 	}
 
+	new_timer->sigq->info.si_code  = SI_TIMER;
+	new_timer->sigq->info.si_tid   = new_timer->it_id;
+	new_timer->sigq->info.si_signo = new_timer->it_sigev_signo;
+	new_timer->sigq->info.si_value = new_timer->it_sigev_value;
+
 	spin_lock_irq(&current->sighand->siglock);
 	new_timer->it_process = process;
 	list_add(&new_timer->list, &current->signal->posix_timers);
-- 
GitLab


From ef864c958801768fb28bd3603cd0b098b394671c Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:49 -0700
Subject: [PATCH 0240/2224] posix-timers: sys_timer_create: cleanup the error
 handling

Cleanup.

- sys_timer_create() is big and complicated. The code above the "out:"
  label relies on the fact that "error" must be == 0. This is not very
  robust, make the code more explicit. Remove the unneeded initialization
  of error.

- If idr_get_new() succeeds (as it normally should), we check the returned
  value twice. Move the "-EAGAIN" check under "if (error)".

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index c459b29efdd..7be385fe4ec 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -454,9 +454,8 @@ sys_timer_create(const clockid_t which_clock,
 		 struct sigevent __user *timer_event_spec,
 		 timer_t __user * created_timer_id)
 {
-	int error = 0;
 	struct k_itimer *new_timer;
-	int new_timer_id;
+	int error, new_timer_id;
 	struct task_struct *process;
 	sigevent_t event;
 	int it_id_set = IT_ID_NOT_SET;
@@ -478,9 +477,9 @@ sys_timer_create(const clockid_t which_clock,
 	error = idr_get_new(&posix_timers_id, (void *) new_timer,
 			    &new_timer_id);
 	spin_unlock_irq(&idr_lock);
-	if (error == -EAGAIN)
-		goto retry;
-	else if (error) {
+	if (error) {
+		if (error == -EAGAIN)
+			goto retry;
 		/*
 		 * Weird looking, but we return EAGAIN if the IDR is
 		 * full (proper POSIX return value for this)
@@ -541,6 +540,8 @@ sys_timer_create(const clockid_t which_clock,
 	new_timer->it_process = process;
 	list_add(&new_timer->list, &current->signal->posix_timers);
 	spin_unlock_irq(&current->sighand->siglock);
+
+	return 0;
  	/*
 	 * In the case of the timer belonging to another task, after
 	 * the task is unlocked, the timer is owned by the other task
@@ -548,9 +549,7 @@ sys_timer_create(const clockid_t which_clock,
 	 * new_timer after the unlock call.
 	 */
 out:
-	if (error)
-		release_posix_timer(new_timer, it_id_set);
-
+	release_posix_timer(new_timer, it_id_set);
 	return error;
 }
 
-- 
GitLab


From 5a9fa73072854981a5c05eb7ba18a96d49c2804f Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:50 -0700
Subject: [PATCH 0241/2224] posix-timers: kill ->it_sigev_signo and
 ->it_sigev_value

With the recent changes ->it_sigev_signo and ->it_sigev_value are only
used in sys_timer_create(), kill them.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/posix-timers.h |  2 --
 kernel/posix-timers.c        | 17 +++++++----------
 2 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index f9d8e9e94e9..a7c72135554 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -45,8 +45,6 @@ struct k_itimer {
 	int it_requeue_pending;		/* waiting to requeue this timer */
 #define REQUEUE_PENDING 1
 	int it_sigev_notify;		/* notify word of sigevent struct */
-	int it_sigev_signo;		/* signo word of sigevent struct */
-	sigval_t it_sigev_value;	/* value word of sigevent struct */
 	struct task_struct *it_process;	/* process to send signal to */
 	struct sigqueue *sigq;		/* signal queue entry. */
 	union {
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 7be385fe4ec..3eff47b0d8d 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -510,10 +510,6 @@ sys_timer_create(const clockid_t which_clock,
 			error = -EFAULT;
 			goto out;
 		}
-		new_timer->it_sigev_notify = event.sigev_notify;
-		new_timer->it_sigev_signo = event.sigev_signo;
-		new_timer->it_sigev_value = event.sigev_value;
-
 		rcu_read_lock();
 		process = good_sigevent(&event);
 		if (process)
@@ -524,17 +520,18 @@ sys_timer_create(const clockid_t which_clock,
 			goto out;
 		}
 	} else {
-		new_timer->it_sigev_notify = SIGEV_SIGNAL;
-		new_timer->it_sigev_signo = SIGALRM;
-		new_timer->it_sigev_value.sival_int = new_timer->it_id;
+		event.sigev_notify = SIGEV_SIGNAL;
+		event.sigev_signo = SIGALRM;
+		event.sigev_value.sival_int = new_timer->it_id;
 		process = current->group_leader;
 		get_task_struct(process);
 	}
 
-	new_timer->sigq->info.si_code  = SI_TIMER;
+	new_timer->it_sigev_notify     = event.sigev_notify;
+	new_timer->sigq->info.si_signo = event.sigev_signo;
+	new_timer->sigq->info.si_value = event.sigev_value;
 	new_timer->sigq->info.si_tid   = new_timer->it_id;
-	new_timer->sigq->info.si_signo = new_timer->it_sigev_signo;
-	new_timer->sigq->info.si_value = new_timer->it_sigev_value;
+	new_timer->sigq->info.si_code  = SI_TIMER;
 
 	spin_lock_irq(&current->sighand->siglock);
 	new_timer->it_process = process;
-- 
GitLab


From 5a51b713ccf8835d5adf7217e2f86eb12b1ca851 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:51 -0700
Subject: [PATCH 0242/2224] posix-timers: lock_timer: kill the bogus ->it_id
 check

lock_timer() checks that the timer found by idr_find(timer_id) has ->it_id
== timer_id.  This buys nothing.  This check can fail only if
sys_timer_create() unlocked idr_lock after idr_get_new(), but didn't set
->it_id = new_timer_id yet.  But in that case ->it_process == NULL so
lock_timer() can't succeed anyway.

Also remove a couple of unneeded typecasts.

Note that with or without this patch we have a small problem.
sys_timer_create() doesn't ensure that the result of setting (say)
->it_sigev_notify must be visible if lock_timer() succeeds.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 3eff47b0d8d..7185f05d53a 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -474,8 +474,7 @@ sys_timer_create(const clockid_t which_clock,
 		goto out;
 	}
 	spin_lock_irq(&idr_lock);
-	error = idr_get_new(&posix_timers_id, (void *) new_timer,
-			    &new_timer_id);
+	error = idr_get_new(&posix_timers_id, new_timer, &new_timer_id);
 	spin_unlock_irq(&idr_lock);
 	if (error) {
 		if (error == -EAGAIN)
@@ -567,12 +566,12 @@ static struct k_itimer * lock_timer(timer_t timer_id, unsigned long *flags)
 	 */
 
 	spin_lock_irqsave(&idr_lock, *flags);
-	timr = (struct k_itimer *) idr_find(&posix_timers_id, (int) timer_id);
+	timr = idr_find(&posix_timers_id, (int) timer_id);
 	if (timr) {
 		spin_lock(&timr->it_lock);
 
-		if ((timr->it_id != timer_id) || !(timr->it_process) ||
-				!same_thread_group(timr->it_process, current)) {
+		if (!timr->it_process ||
+		    !same_thread_group(timr->it_process, current)) {
 			spin_unlock(&timr->it_lock);
 			spin_unlock_irqrestore(&idr_lock, *flags);
 			timr = NULL;
-- 
GitLab


From 31d9284569e38fb97117497af3e8047a6a3c86f0 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Mon, 22 Sep 2008 14:42:51 -0700
Subject: [PATCH 0243/2224] posix-timers: lock_timer: make it readable

Cleanup.  Imho makes the code much more understandable.  At least this
patch lessens both the source and compiled code.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: mingo@elte.hu
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/posix-timers.c | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 7185f05d53a..95451bf7d2e 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -556,7 +556,7 @@ out:
  * the find to the timer lock.  To avoid a dead lock, the timer id MUST
  * be release with out holding the timer lock.
  */
-static struct k_itimer * lock_timer(timer_t timer_id, unsigned long *flags)
+static struct k_itimer *lock_timer(timer_t timer_id, unsigned long *flags)
 {
 	struct k_itimer *timr;
 	/*
@@ -564,23 +564,20 @@ static struct k_itimer * lock_timer(timer_t timer_id, unsigned long *flags)
 	 * flags part over to the timer lock.  Must not let interrupts in
 	 * while we are moving the lock.
 	 */
-
 	spin_lock_irqsave(&idr_lock, *flags);
-	timr = idr_find(&posix_timers_id, (int) timer_id);
+	timr = idr_find(&posix_timers_id, (int)timer_id);
 	if (timr) {
 		spin_lock(&timr->it_lock);
-
-		if (!timr->it_process ||
-		    !same_thread_group(timr->it_process, current)) {
-			spin_unlock(&timr->it_lock);
-			spin_unlock_irqrestore(&idr_lock, *flags);
-			timr = NULL;
-		} else
+		if (timr->it_process &&
+		    same_thread_group(timr->it_process, current)) {
 			spin_unlock(&idr_lock);
-	} else
-		spin_unlock_irqrestore(&idr_lock, *flags);
+			return timr;
+		}
+		spin_unlock(&timr->it_lock);
+	}
+	spin_unlock_irqrestore(&idr_lock, *flags);
 
-	return timr;
+	return NULL;
 }
 
 /*
-- 
GitLab


From 1b02469088ac7a13d7e622b618b7410d0f1ce5ec Mon Sep 17 00:00:00 2001
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Mon, 22 Sep 2008 14:42:43 -0700
Subject: [PATCH 0244/2224] hrtimer: reorder struct hrtimer to save 8 bytes on
 64bit builds

reorder struct hrtimer to save 8 bytes on 64 bit builds when
CONFIG_TIMER_STATS selected.  (also removes 8 bytes from signal_struct)

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/hrtimer.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 68b0196d869..8730b60c943 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -115,12 +115,12 @@ struct hrtimer {
 	enum hrtimer_restart		(*function)(struct hrtimer *);
 	struct hrtimer_clock_base	*base;
 	unsigned long			state;
-	enum hrtimer_cb_mode		cb_mode;
 	struct list_head		cb_entry;
+	enum hrtimer_cb_mode		cb_mode;
 #ifdef CONFIG_TIMER_STATS
+	int				start_pid;
 	void				*start_site;
 	char				start_comm[16];
-	int				start_pid;
 #endif
 };
 
-- 
GitLab


From eb3f938fd6292dc79f43a5fe14784b044776e9f0 Mon Sep 17 00:00:00 2001
From: "Maciej W. Rozycki" <macro@linux-mips.org>
Date: Mon, 22 Sep 2008 14:42:40 -0700
Subject: [PATCH 0245/2224] ntp: let update_persistent_clock() sleep

This is a change that makes the 11-minute RTC update be run in the process
context.  This is so that update_persistent_clock() can sleep, which may
be required for certain types of RTC hardware -- most notably I2C devices.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: David Brownell <david-b@pacbell.net>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/time/ntp.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index c6921aa1a42..450a45cb01c 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -10,13 +10,13 @@
 
 #include <linux/mm.h>
 #include <linux/time.h>
-#include <linux/timer.h>
 #include <linux/timex.h>
 #include <linux/jiffies.h>
 #include <linux/hrtimer.h>
 #include <linux/capability.h>
 #include <linux/math64.h>
 #include <linux/clocksource.h>
+#include <linux/workqueue.h>
 #include <asm/timex.h>
 
 /*
@@ -218,11 +218,11 @@ void second_overflow(void)
 /* Disable the cmos update - used by virtualization and embedded */
 int no_sync_cmos_clock  __read_mostly;
 
-static void sync_cmos_clock(unsigned long dummy);
+static void sync_cmos_clock(struct work_struct *work);
 
-static DEFINE_TIMER(sync_cmos_timer, sync_cmos_clock, 0, 0);
+static DECLARE_DELAYED_WORK(sync_cmos_work, sync_cmos_clock);
 
-static void sync_cmos_clock(unsigned long dummy)
+static void sync_cmos_clock(struct work_struct *work)
 {
 	struct timespec now, next;
 	int fail = 1;
@@ -258,13 +258,13 @@ static void sync_cmos_clock(unsigned long dummy)
 		next.tv_sec++;
 		next.tv_nsec -= NSEC_PER_SEC;
 	}
-	mod_timer(&sync_cmos_timer, jiffies + timespec_to_jiffies(&next));
+	schedule_delayed_work(&sync_cmos_work, timespec_to_jiffies(&next));
 }
 
 static void notify_cmos_timer(void)
 {
 	if (!no_sync_cmos_clock)
-		mod_timer(&sync_cmos_timer, jiffies + 1);
+		schedule_delayed_work(&sync_cmos_work, 0);
 }
 
 #else
-- 
GitLab


From 5cd1c9c5cf30d4b33df3d3f74d8142f278d536b7 Mon Sep 17 00:00:00 2001
From: Roman Zippel <zippel@linux-m68k.org>
Date: Mon, 22 Sep 2008 14:42:43 -0700
Subject: [PATCH 0246/2224] timekeeping: fix rounding problem during clock
 update

Due to a rounding problem during a clock update it's possible for readers
to observe the clock jumping back by 1nsec.  The following simplified
example demonstrates the problem:

cycle	xtime
0	0
1000	999999.6
2000	1999999.2
3000	2999998.8
...

1500 =	1499999.4
=	0.0 + 1499999.4
=	999999.6 + 499999.8

When reading the clock only the full nanosecond part is used, while
timekeeping internally keeps nanosecond fractions.  If the clock is now
updated at cycle 1500 here, a nanosecond is missing due to the truncation.

The simple fix is to round up the xtime value during the update, this also
changes the distance to the reference time, but the adjustment will
automatically take care that it stays under control.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/time/timekeeping.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index e91c29f961c..5ecbfc39a26 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -454,7 +454,7 @@ void update_wall_time(void)
 #else
 	offset = clock->cycle_interval;
 #endif
-	clock->xtime_nsec += (s64)xtime.tv_nsec << clock->shift;
+	clock->xtime_nsec = (s64)xtime.tv_nsec << clock->shift;
 
 	/* normally this loop will run just once, however in the
 	 * case of lost or late ticks, it will accumulate correctly.
@@ -479,9 +479,12 @@ void update_wall_time(void)
 	/* correct the clock when NTP error is too big */
 	clocksource_adjust(offset);
 
-	/* store full nanoseconds into xtime */
-	xtime.tv_nsec = (s64)clock->xtime_nsec >> clock->shift;
+	/* store full nanoseconds into xtime after rounding it up and
+	 * add the remainder to the error difference.
+	 */
+	xtime.tv_nsec = ((s64)clock->xtime_nsec >> clock->shift) + 1;
 	clock->xtime_nsec -= (s64)xtime.tv_nsec << clock->shift;
+	clock->error += clock->xtime_nsec << (NTP_SCALE_SHIFT - clock->shift);
 
 	update_xtime_cache(cyc2ns(clock, offset));
 
-- 
GitLab


From d40e944c25fb4642adb2a4c580a48218a9f3f824 Mon Sep 17 00:00:00 2001
From: Roman Zippel <zippel@linux-m68k.org>
Date: Mon, 22 Sep 2008 14:42:44 -0700
Subject: [PATCH 0247/2224] ntp: improve adjtimex frequency rounding

Change PPM_SCALE_INV_SHIFT so that it doesn't throw away any input bits
(19 is the amount of the factor 2 in PPM_SCALE), the output frequency
can then be calculated back to its input value, as the inverse divide
produce a slightly larger value, which is then correctly rounded by the
final shift.

Reported-by: Martin Ziegler <ziegler@uni-freiburg.de>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/timex.h | 2 +-
 kernel/time/ntp.c     | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/include/linux/timex.h b/include/linux/timex.h
index c00bcdd3ae4..9007313b5b7 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -82,7 +82,7 @@
  */
 #define SHIFT_USEC 16		/* frequency offset scale (shift) */
 #define PPM_SCALE (NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC))
-#define PPM_SCALE_INV_SHIFT 20
+#define PPM_SCALE_INV_SHIFT 19
 #define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \
 		       PPM_SCALE + 1)
 
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 450a45cb01c..ddb0465a6ba 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -406,9 +406,8 @@ adj_done:
 	if (time_status & (STA_UNSYNC|STA_CLOCKERR))
 		result = TIME_ERROR;
 
-	txc->freq	   = shift_right((s32)(time_freq >> PPM_SCALE_INV_SHIFT) *
-					 (s64)PPM_SCALE_INV,
-					 NTP_SCALE_SHIFT);
+	txc->freq	   = shift_right((time_freq >> PPM_SCALE_INV_SHIFT) *
+					 (s64)PPM_SCALE_INV, NTP_SCALE_SHIFT);
 	txc->maxerror	   = time_maxerror;
 	txc->esterror	   = time_esterror;
 	txc->status	   = time_status;
-- 
GitLab


From 7c6db4e050601f359081fde418ca6dc4fc2d0011 Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Thu, 25 Sep 2008 21:00:31 +0400
Subject: [PATCH 0248/2224] ACPI: EC: do transaction from interrupt context

It is easier and faster to do transaction directly from interrupt context
rather than waking control thread.
Also, cleaner GPE storm avoidance is implemented.
References: 	http://bugzilla.kernel.org/show_bug.cgi?id=9998
		http://bugzilla.kernel.org/show_bug.cgi?id=10724
		http://bugzilla.kernel.org/show_bug.cgi?id=10919
		http://bugzilla.kernel.org/show_bug.cgi?id=11309
		http://bugzilla.kernel.org/show_bug.cgi?id=11549
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/ec.c | 309 ++++++++++++++++++++++------------------------
 1 file changed, 149 insertions(+), 160 deletions(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 13593f9f219..7f0d81c0ec9 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1,7 +1,7 @@
 /*
- *  ec.c - ACPI Embedded Controller Driver (v2.0)
+ *  ec.c - ACPI Embedded Controller Driver (v2.1)
  *
- *  Copyright (C) 2006, 2007 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
+ *  Copyright (C) 2006-2008 Alexey Starikovskiy <astarikovskiy@suse.de>
  *  Copyright (C) 2006 Denis Sadykov <denis.m.sadykov@intel.com>
  *  Copyright (C) 2004 Luming Yu <luming.yu@intel.com>
  *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
@@ -26,7 +26,7 @@
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
-/* Uncomment next line to get verbose print outs*/
+/* Uncomment next line to get verbose printout */
 /* #define DEBUG */
 
 #include <linux/kernel.h>
@@ -38,6 +38,7 @@
 #include <linux/seq_file.h>
 #include <linux/interrupt.h>
 #include <linux/list.h>
+#include <linux/spinlock.h>
 #include <asm/io.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
@@ -65,22 +66,21 @@ enum ec_command {
 	ACPI_EC_COMMAND_QUERY = 0x84,
 };
 
-/* EC events */
-enum ec_event {
-	ACPI_EC_EVENT_OBF_1 = 1,	/* Output buffer full */
-	ACPI_EC_EVENT_IBF_0,		/* Input buffer empty */
-};
-
 #define ACPI_EC_DELAY		500	/* Wait 500ms max. during EC ops */
 #define ACPI_EC_UDELAY_GLK	1000	/* Wait 1ms max. to get global lock */
 #define ACPI_EC_UDELAY		100	/* Wait 100us before polling EC again */
 
+#define ACPI_EC_STORM_THRESHOLD 20	/* number of false interrupts
+					   per one transaction */
+
 enum {
-	EC_FLAGS_WAIT_GPE = 0,		/* Don't check status until GPE arrives */
 	EC_FLAGS_QUERY_PENDING,		/* Query is pending */
-	EC_FLAGS_GPE_MODE,		/* Expect GPE to be sent for status change */
+	EC_FLAGS_GPE_MODE,		/* Expect GPE to be sent
+					 * for status change */
 	EC_FLAGS_NO_GPE,		/* Don't use GPE mode */
-	EC_FLAGS_RESCHEDULE_POLL	/* Re-schedule poll */
+	EC_FLAGS_GPE_STORM,		/* GPE storm detected */
+	EC_FLAGS_HANDLERS_INSTALLED	/* Handlers for GPE and
+					 * OpReg are installed */
 };
 
 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
@@ -95,6 +95,14 @@ struct acpi_ec_query_handler {
 	u8 query_bit;
 };
 
+struct transaction_data {
+	const u8 *wdata;
+	u8 *rdata;
+	unsigned short irq_count;
+	u8 wlen;
+	u8 rlen;
+};
+
 static struct acpi_ec {
 	acpi_handle handle;
 	unsigned long gpe;
@@ -105,9 +113,8 @@ static struct acpi_ec {
 	struct mutex lock;
 	wait_queue_head_t wait;
 	struct list_head list;
-	struct delayed_work work;
-	atomic_t irq_count;
-	u8 handlers_installed;
+	struct transaction_data *t;
+	spinlock_t t_lock;
 } *boot_ec, *first_ec;
 
 /* 
@@ -150,7 +157,7 @@ static inline u8 acpi_ec_read_data(struct acpi_ec *ec)
 {
 	u8 x = inb(ec->data_addr);
 	pr_debug(PREFIX "---> data = 0x%2.2x\n", x);
-	return inb(ec->data_addr);
+	return x;
 }
 
 static inline void acpi_ec_write_cmd(struct acpi_ec *ec, u8 command)
@@ -165,68 +172,79 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data)
 	outb(data, ec->data_addr);
 }
 
-static inline int acpi_ec_check_status(struct acpi_ec *ec, enum ec_event event)
+static int ec_transaction_done(struct acpi_ec *ec)
 {
-	if (test_bit(EC_FLAGS_WAIT_GPE, &ec->flags))
-		return 0;
-	if (event == ACPI_EC_EVENT_OBF_1) {
-		if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_OBF)
-			return 1;
-	} else if (event == ACPI_EC_EVENT_IBF_0) {
-		if (!(acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF))
-			return 1;
-	}
-
-	return 0;
+	unsigned long flags;
+	int ret = 0;
+	spin_lock_irqsave(&ec->t_lock, flags);
+	if (!ec->t || (!ec->t->wlen && !ec->t->rlen))
+		ret = 1;
+	spin_unlock_irqrestore(&ec->t_lock, flags);
+	return ret;
 }
 
-static void ec_schedule_ec_poll(struct acpi_ec *ec)
+static void gpe_transaction(struct acpi_ec *ec, u8 status)
 {
-	if (test_bit(EC_FLAGS_RESCHEDULE_POLL, &ec->flags))
-		schedule_delayed_work(&ec->work,
-				      msecs_to_jiffies(ACPI_EC_DELAY));
+	unsigned long flags;
+	spin_lock_irqsave(&ec->t_lock, flags);
+	if (!ec->t)
+		goto unlock;
+	if (ec->t->wlen > 0) {
+		if ((status & ACPI_EC_FLAG_IBF) == 0) {
+			acpi_ec_write_data(ec, *(ec->t->wdata++));
+			--ec->t->wlen;
+		} else
+			/* false interrupt, state didn't change */
+			++ec->t->irq_count;
+
+	} else if (ec->t->rlen > 0) {
+		if ((status & ACPI_EC_FLAG_OBF) == 1) {
+			*(ec->t->rdata++) = acpi_ec_read_data(ec);
+			--ec->t->rlen;
+		} else
+			/* false interrupt, state didn't change */
+			++ec->t->irq_count;
+	}
+unlock:
+	spin_unlock_irqrestore(&ec->t_lock, flags);
 }
 
-static void ec_switch_to_poll_mode(struct acpi_ec *ec)
+static int acpi_ec_wait(struct acpi_ec *ec)
 {
+	if (wait_event_timeout(ec->wait, ec_transaction_done(ec),
+			       msecs_to_jiffies(ACPI_EC_DELAY)))
+		return 0;
+	/* missing GPEs, switch back to poll mode */
+	if (printk_ratelimit())
+		pr_info(PREFIX "missing confirmations, "
+				"switch off interrupt mode.\n");
 	set_bit(EC_FLAGS_NO_GPE, &ec->flags);
 	clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
-	acpi_disable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
-	set_bit(EC_FLAGS_RESCHEDULE_POLL, &ec->flags);
+	return 1;
 }
 
-static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
+static void acpi_ec_gpe_query(void *ec_cxt);
+
+static int ec_check_sci(struct acpi_ec *ec, u8 state)
 {
-	atomic_set(&ec->irq_count, 0);
-	if (likely(test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) &&
-	    likely(!force_poll)) {
-		if (wait_event_timeout(ec->wait, acpi_ec_check_status(ec, event),
-				       msecs_to_jiffies(ACPI_EC_DELAY)))
-			return 0;
-		clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
-		if (acpi_ec_check_status(ec, event)) {
-			/* missing GPEs, switch back to poll mode */
-			if (printk_ratelimit())
-				pr_info(PREFIX "missing confirmations, "
-						"switch off interrupt mode.\n");
-			ec_switch_to_poll_mode(ec);
-			ec_schedule_ec_poll(ec);
-			return 0;
-		}
-	} else {
-		unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
-		clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
-		while (time_before(jiffies, delay)) {
-			if (acpi_ec_check_status(ec, event))
-				return 0;
-			msleep(1);
-		}
-		if (acpi_ec_check_status(ec,event))
+	if (state & ACPI_EC_FLAG_SCI) {
+		if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
+			return acpi_os_execute(OSL_EC_BURST_HANDLER,
+				acpi_ec_gpe_query, ec);
+	}
+	return 0;
+}
+
+static int ec_poll(struct acpi_ec *ec)
+{
+	unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
+	msleep(1);
+	while (time_before(jiffies, delay)) {
+		gpe_transaction(ec, acpi_ec_read_status(ec));
+		msleep(1);
+		if (ec_transaction_done(ec))
 			return 0;
 	}
-	pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",
-		acpi_ec_read_status(ec),
-		(event == ACPI_EC_EVENT_OBF_1) ? "\"b0=1\"" : "\"b1=0\"");
 	return -ETIME;
 }
 
@@ -235,45 +253,51 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 					u8 * rdata, unsigned rdata_len,
 					int force_poll)
 {
-	int result = 0;
-	set_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
+	unsigned long tmp;
+	struct transaction_data t = {.wdata = wdata, .rdata = rdata,
+				     .wlen = wdata_len, .rlen = rdata_len,
+				     .irq_count = 0};
+	int ret = 0;
 	pr_debug(PREFIX "transaction start\n");
-	acpi_ec_write_cmd(ec, command);
-	for (; wdata_len > 0; --wdata_len) {
-		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, force_poll);
-		if (result) {
-			pr_err(PREFIX
-			       "write_cmd timeout, command = %d\n", command);
-			goto end;
-		}
-		set_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
-		acpi_ec_write_data(ec, *(wdata++));
+	/* disable GPE during transaction if storm is detected */
+	if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
+		clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
+		acpi_disable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
 	}
-
-	if (!rdata_len) {
-		result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, force_poll);
-		if (result) {
-			pr_err(PREFIX
-			       "finish-write timeout, command = %d\n", command);
-			goto end;
-		}
-	} else if (command == ACPI_EC_COMMAND_QUERY)
+	/* start transaction */
+	spin_lock_irqsave(&ec->t_lock, tmp);
+	/* following two actions should be kept atomic */
+	ec->t = &t;
+	acpi_ec_write_cmd(ec, command);
+	if (command == ACPI_EC_COMMAND_QUERY)
 		clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
-
-	for (; rdata_len > 0; --rdata_len) {
-		result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1, force_poll);
-		if (result) {
-			pr_err(PREFIX "read timeout, command = %d\n", command);
-			goto end;
-		}
-		/* Don't expect GPE after last read */
-		if (rdata_len > 1)
-			set_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
-		*(rdata++) = acpi_ec_read_data(ec);
-	}
-      end:
+	spin_unlock_irqrestore(&ec->t_lock, tmp);
+	/* if we selected poll mode or failed in GPE-mode do a poll loop */
+	if (force_poll ||
+	    !test_bit(EC_FLAGS_GPE_MODE, &ec->flags) ||
+	    acpi_ec_wait(ec))
+		ret = ec_poll(ec);
 	pr_debug(PREFIX "transaction end\n");
-	return result;
+	spin_lock_irqsave(&ec->t_lock, tmp);
+	ec->t = NULL;
+	spin_unlock_irqrestore(&ec->t_lock, tmp);
+	if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
+		/* check if we received SCI during transaction */
+		ec_check_sci(ec, acpi_ec_read_status(ec));
+		/* it is safe to enable GPE outside of transaction */
+		acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
+	} else if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags) &&
+		   t.irq_count > ACPI_EC_STORM_THRESHOLD) {
+		pr_debug(PREFIX "GPE storm detected\n");
+		set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
+	}
+	return ret;
+}
+
+static int ec_check_ibf0(struct acpi_ec *ec)
+{
+	u8 status = acpi_ec_read_status(ec);
+	return (status & ACPI_EC_FLAG_IBF) == 0;
 }
 
 static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
@@ -283,40 +307,34 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
 {
 	int status;
 	u32 glk;
-
 	if (!ec || (wdata_len && !wdata) || (rdata_len && !rdata))
 		return -EINVAL;
-
 	if (rdata)
 		memset(rdata, 0, rdata_len);
-
 	mutex_lock(&ec->lock);
 	if (ec->global_lock) {
 		status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
 		if (ACPI_FAILURE(status)) {
-			mutex_unlock(&ec->lock);
-			return -ENODEV;
+			status = -ENODEV;
+			goto unlock;
 		}
 	}
-
-	status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0);
-	if (status) {
+	if (!wait_event_timeout(ec->wait, ec_check_ibf0(ec),
+				msecs_to_jiffies(ACPI_EC_DELAY))) {
 		pr_err(PREFIX "input buffer is not empty, "
 				"aborting transaction\n");
+		status = -ETIME;
 		goto end;
 	}
-
 	status = acpi_ec_transaction_unlocked(ec, command,
 					      wdata, wdata_len,
 					      rdata, rdata_len,
 					      force_poll);
-
-      end:
-
+end:
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
+unlock:
 	mutex_unlock(&ec->lock);
-
 	return status;
 }
 
@@ -332,7 +350,9 @@ int acpi_ec_burst_enable(struct acpi_ec *ec)
 
 int acpi_ec_burst_disable(struct acpi_ec *ec)
 {
-	return acpi_ec_transaction(ec, ACPI_EC_BURST_DISABLE, NULL, 0, NULL, 0, 0);
+	return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ?
+		acpi_ec_transaction(ec, ACPI_EC_BURST_DISABLE,
+			NULL, 0, NULL, 0, 0) : 0;
 }
 
 static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
@@ -513,46 +533,26 @@ static void acpi_ec_gpe_query(void *ec_cxt)
 
 static u32 acpi_ec_gpe_handler(void *data)
 {
-	acpi_status status = AE_OK;
 	struct acpi_ec *ec = data;
-	u8 state = acpi_ec_read_status(ec);
+	u8 status;
 
 	pr_debug(PREFIX "~~~> interrupt\n");
-	atomic_inc(&ec->irq_count);
-	if (atomic_read(&ec->irq_count) > 5) {
-		pr_err(PREFIX "GPE storm detected, disabling EC GPE\n");
-		ec_switch_to_poll_mode(ec);
-		goto end;
-	}
-	clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
-	if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags))
+	status = acpi_ec_read_status(ec);
+
+	gpe_transaction(ec, status);
+	if (ec_transaction_done(ec) && (status & ACPI_EC_FLAG_IBF) == 0)
 		wake_up(&ec->wait);
 
-	if (state & ACPI_EC_FLAG_SCI) {
-		if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
-			status = acpi_os_execute(OSL_EC_BURST_HANDLER,
-				acpi_ec_gpe_query, ec);
-	} else if (!test_bit(EC_FLAGS_GPE_MODE, &ec->flags) &&
-		   !test_bit(EC_FLAGS_NO_GPE, &ec->flags) &&
-		   in_interrupt()) {
+	ec_check_sci(ec, status);
+	if (!test_bit(EC_FLAGS_GPE_MODE, &ec->flags) &&
+	    !test_bit(EC_FLAGS_NO_GPE, &ec->flags)) {
 		/* this is non-query, must be confirmation */
 		if (printk_ratelimit())
 			pr_info(PREFIX "non-query interrupt received,"
 				" switching to interrupt mode\n");
 		set_bit(EC_FLAGS_GPE_MODE, &ec->flags);
-		clear_bit(EC_FLAGS_RESCHEDULE_POLL, &ec->flags);
 	}
-end:
-	ec_schedule_ec_poll(ec);
-	return ACPI_SUCCESS(status) ?
-	    ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED;
-}
-
-static void do_ec_poll(struct work_struct *work)
-{
-	struct acpi_ec *ec = container_of(work, struct acpi_ec, work.work);
-	atomic_set(&ec->irq_count, 0);
-	(void)acpi_ec_gpe_handler(ec);
+	return ACPI_INTERRUPT_HANDLED;
 }
 
 /* --------------------------------------------------------------------------
@@ -696,8 +696,7 @@ static struct acpi_ec *make_acpi_ec(void)
 	mutex_init(&ec->lock);
 	init_waitqueue_head(&ec->wait);
 	INIT_LIST_HEAD(&ec->list);
-	INIT_DELAYED_WORK_DEFERRABLE(&ec->work, do_ec_poll);
-	atomic_set(&ec->irq_count, 0);
+	spin_lock_init(&ec->t_lock);
 	return ec;
 }
 
@@ -736,22 +735,15 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
 	return AE_CTRL_TERMINATE;
 }
 
-static void ec_poll_stop(struct acpi_ec *ec)
-{
-	clear_bit(EC_FLAGS_RESCHEDULE_POLL, &ec->flags);
-	cancel_delayed_work(&ec->work);
-}
-
 static void ec_remove_handlers(struct acpi_ec *ec)
 {
-	ec_poll_stop(ec);
 	if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
 				ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
 		pr_err(PREFIX "failed to remove space handler\n");
 	if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe,
 				&acpi_ec_gpe_handler)))
 		pr_err(PREFIX "failed to remove gpe handler\n");
-	ec->handlers_installed = 0;
+	clear_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
 }
 
 static int acpi_ec_add(struct acpi_device *device)
@@ -846,17 +838,15 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context)
 static int ec_install_handlers(struct acpi_ec *ec)
 {
 	acpi_status status;
-	if (ec->handlers_installed)
+	if (test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
 		return 0;
 	status = acpi_install_gpe_handler(NULL, ec->gpe,
-					  ACPI_GPE_EDGE_TRIGGERED,
-					  &acpi_ec_gpe_handler, ec);
+				  ACPI_GPE_EDGE_TRIGGERED,
+				  &acpi_ec_gpe_handler, ec);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
-
 	acpi_set_gpe_type(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME);
 	acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
-
 	status = acpi_install_address_space_handler(ec->handle,
 						    ACPI_ADR_SPACE_EC,
 						    &acpi_ec_space_handler,
@@ -866,7 +856,7 @@ static int ec_install_handlers(struct acpi_ec *ec)
 		return -ENODEV;
 	}
 
-	ec->handlers_installed = 1;
+	set_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
 	return 0;
 }
 
@@ -887,7 +877,6 @@ static int acpi_ec_start(struct acpi_device *device)
 
 	/* EC is fully operational, allow queries */
 	clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
-	ec_schedule_ec_poll(ec);
 	return ret;
 }
 
@@ -906,7 +895,7 @@ static int acpi_ec_stop(struct acpi_device *device, int type)
 
 int __init acpi_boot_ec_enable(void)
 {
-	if (!boot_ec || boot_ec->handlers_installed)
+	if (!boot_ec || test_bit(EC_FLAGS_HANDLERS_INSTALLED, &boot_ec->flags))
 		return 0;
 	if (!ec_install_handlers(boot_ec)) {
 		first_ec = boot_ec;
-- 
GitLab


From 6a9037887ccea92152b034edeb15d453d1a98555 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Mon, 22 Sep 2008 14:06:01 -0700
Subject: [PATCH 0249/2224] power_supply: fix dependency of tosa_battery

tosa_battery should also depend on wm97xx_ts as it uses dac-accessing
functions from that module.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index b2bd104b986..ae095a498db 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -51,7 +51,7 @@ config BATTERY_OLPC
 
 config BATTERY_TOSA
 	tristate "Sharp SL-6000 (tosa) battery"
-	depends on MACH_TOSA && MFD_TC6393XB
+	depends on MACH_TOSA && MFD_TC6393XB && TOUCHSCREEN_WM97XX
 	help
 	  Say Y to enable support for the battery on the Sharp Zaurus
 	  SL-6000 (tosa) models.
-- 
GitLab


From 8aef7e8f8de2d900da892085edbf14ea35fe6881 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Mon, 22 Sep 2008 14:53:50 -0700
Subject: [PATCH 0250/2224] bq27x00_battery: use unaligned access helper

Remove hand-rolled get_unaligned_be16, this points to a possible bug as
bq27x00_read does another endian byteswap which sparse notices:

drivers/power/bq27x00_battery.c:81:14: warning: cast to restricted __be16
Which should probably be checked.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
---
 drivers/power/bq27x00_battery.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 62d4948e820..0c056fcc01c 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -23,8 +23,8 @@
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
 #include <linux/idr.h>
-
 #include <linux/i2c.h>
+#include <asm/unaligned.h>
 
 #define DRIVER_VERSION			"1.0.0"
 
@@ -33,7 +33,6 @@
 #define BQ27x00_REG_RSOC		0x0B /* Relative State-of-Charge */
 #define BQ27x00_REG_AI			0x14
 #define BQ27x00_REG_FLAGS		0x0A
-#define HIGH_BYTE(A)			((A) << 8)
 
 /* If the system has several batteries we need a different name for each
  * of them...
@@ -239,7 +238,7 @@ static int bq27200_read(u8 reg, int *rt_value, int b_single,
 		err = i2c_transfer(client->adapter, msg, 1);
 		if (err >= 0) {
 			if (!b_single)
-				*rt_value = data[1] | HIGH_BYTE(data[0]);
+				*rt_value = get_unaligned_be16(data);
 			else
 				*rt_value = data[0];
 
-- 
GitLab


From 0e4a008a4f389b468cfe8b58c7d77882a6e25695 Mon Sep 17 00:00:00 2001
From: Julien Brunel <brunel@diku.dk>
Date: Fri, 26 Sep 2008 15:27:25 +0200
Subject: [PATCH 0251/2224] UBI: fix IS_ERR test

In case of error, the function add_volume returns an ERR pointer. The
result of IS_ERR, which is supposed to be used in a test as it is, is
here checked to be less than zero, which seems odd. We suggest to
replace this test by a simple IS_ERR test.

A simplified version of the semantic match that finds this problem is
as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@def0@
expression x;
position p0;
@@
x@p0 = add_volume(...)

@protected@
expression def0.x,E;
position def0.p0;
position p;
statement S;
@@
x@p0
... when != x = E
if (!IS_ERR(x) && ...) {<... x@p ...>} else S

@unprotected@
expression def0.x,E;
identifier fld;
position def0.p0;
position p != protected.p;
@@
x@p0
... when != x = E
* x@p->fld
// </smpl>

Signed-off-by:  Julien Brunel <brunel@diku.dk>
Signed-off-by:  Julia Lawall <julia@diku.dk>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 drivers/mtd/ubi/scan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 967bb4406df..4f2daa5bbec 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -387,7 +387,7 @@ int ubi_scan_add_used(struct ubi_device *ubi, struct ubi_scan_info *si,
 		pnum, vol_id, lnum, ec, sqnum, bitflips);
 
 	sv = add_volume(si, vol_id, pnum, vid_hdr);
-	if (IS_ERR(sv) < 0)
+	if (IS_ERR(sv))
 		return PTR_ERR(sv);
 
 	if (si->max_sqnum < sqnum)
-- 
GitLab


From 77cd62e8082b9743b59ee1946a4c3ee2e3cd2bce Mon Sep 17 00:00:00 2001
From: Timur Tabi <timur@freescale.com>
Date: Fri, 26 Sep 2008 17:00:11 -0700
Subject: [PATCH 0252/2224] fsldma: allow Freescale Elo DMA driver to be
 compiled as a module

Modify the Freescale Elo / Elo Plus DMA driver so that it can be compiled as
a module.

The primary change is to stop treating the DMA controller as a bus, and the
DMA channels as devices on the bus.  This is because the Open Firmware (OF)
kernel code does not allow busses to be removed, so although we can call
of_platform_bus_probe() to probe the DMA channels, there is no
of_platform_bus_remove().  Instead, the DMA channels are manually probed,
similar to what fsl_elbc_nand.c does.

Cc: Scott Wood <scottwood@freescale.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/dma/Kconfig  |  10 ++--
 drivers/dma/fsldma.c | 138 +++++++++++++++++++++++++++----------------
 drivers/dma/fsldma.h |   1 +
 3 files changed, 94 insertions(+), 55 deletions(-)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index cd303901eb5..904e57558bb 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -48,13 +48,13 @@ config DW_DMAC
 	  can be integrated in chips such as the Atmel AT32ap7000.
 
 config FSL_DMA
-	bool "Freescale MPC85xx/MPC83xx DMA support"
-	depends on PPC
+	tristate "Freescale Elo and Elo Plus DMA support"
+	depends on FSL_SOC
 	select DMA_ENGINE
 	---help---
-	  Enable support for the Freescale DMA engine. Now, it support
-	  MPC8560/40, MPC8555, MPC8548 and MPC8641 processors.
-	  The MPC8349, MPC8360 is also supported.
+	  Enable support for the Freescale Elo and Elo Plus DMA controllers.
+	  The Elo is the DMA controller on some 82xx and 83xx parts, and the
+	  Elo Plus is the DMA controller on 85xx and 86xx parts.
 
 config MV_XOR
 	bool "Marvell XOR engine support"
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index e9b263897c0..0b95dcce447 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -370,7 +370,10 @@ static int fsl_dma_alloc_chan_resources(struct dma_chan *chan,
 					struct dma_client *client)
 {
 	struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan);
-	LIST_HEAD(tmp_list);
+
+	/* Has this channel already been allocated? */
+	if (fsl_chan->desc_pool)
+		return 1;
 
 	/* We need the descriptor to be aligned to 32bytes
 	 * for meeting FSL DMA specification requirement.
@@ -410,6 +413,8 @@ static void fsl_dma_free_chan_resources(struct dma_chan *chan)
 	}
 	spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
 	dma_pool_destroy(fsl_chan->desc_pool);
+
+	fsl_chan->desc_pool = NULL;
 }
 
 static struct dma_async_tx_descriptor *
@@ -786,33 +791,29 @@ static void dma_do_tasklet(unsigned long data)
 	fsl_chan_ld_cleanup(fsl_chan);
 }
 
-static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
-			const struct of_device_id *match)
+static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
+	struct device_node *node, u32 feature, const char *compatible)
 {
-	struct fsl_dma_device *fdev;
 	struct fsl_dma_chan *new_fsl_chan;
 	int err;
 
-	fdev = dev_get_drvdata(dev->dev.parent);
-	BUG_ON(!fdev);
-
 	/* alloc channel */
 	new_fsl_chan = kzalloc(sizeof(struct fsl_dma_chan), GFP_KERNEL);
 	if (!new_fsl_chan) {
-		dev_err(&dev->dev, "No free memory for allocating "
+		dev_err(fdev->dev, "No free memory for allocating "
 				"dma channels!\n");
 		return -ENOMEM;
 	}
 
 	/* get dma channel register base */
-	err = of_address_to_resource(dev->node, 0, &new_fsl_chan->reg);
+	err = of_address_to_resource(node, 0, &new_fsl_chan->reg);
 	if (err) {
-		dev_err(&dev->dev, "Can't get %s property 'reg'\n",
-				dev->node->full_name);
+		dev_err(fdev->dev, "Can't get %s property 'reg'\n",
+				node->full_name);
 		goto err_no_reg;
 	}
 
-	new_fsl_chan->feature = *(u32 *)match->data;
+	new_fsl_chan->feature = feature;
 
 	if (!fdev->feature)
 		fdev->feature = new_fsl_chan->feature;
@@ -822,13 +823,13 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
 	 */
 	WARN_ON(fdev->feature != new_fsl_chan->feature);
 
-	new_fsl_chan->dev = &dev->dev;
+	new_fsl_chan->dev = &new_fsl_chan->common.dev;
 	new_fsl_chan->reg_base = ioremap(new_fsl_chan->reg.start,
 			new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
 
 	new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
 	if (new_fsl_chan->id > FSL_DMA_MAX_CHANS_PER_DEVICE) {
-		dev_err(&dev->dev, "There is no %d channel!\n",
+		dev_err(fdev->dev, "There is no %d channel!\n",
 				new_fsl_chan->id);
 		err = -EINVAL;
 		goto err_no_chan;
@@ -862,20 +863,20 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
 			&fdev->common.channels);
 	fdev->common.chancnt++;
 
-	new_fsl_chan->irq = irq_of_parse_and_map(dev->node, 0);
+	new_fsl_chan->irq = irq_of_parse_and_map(node, 0);
 	if (new_fsl_chan->irq != NO_IRQ) {
 		err = request_irq(new_fsl_chan->irq,
 					&fsl_dma_chan_do_interrupt, IRQF_SHARED,
 					"fsldma-channel", new_fsl_chan);
 		if (err) {
-			dev_err(&dev->dev, "DMA channel %s request_irq error "
-				"with return %d\n", dev->node->full_name, err);
+			dev_err(fdev->dev, "DMA channel %s request_irq error "
+				"with return %d\n", node->full_name, err);
 			goto err_no_irq;
 		}
 	}
 
-	dev_info(&dev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id,
-				match->compatible, new_fsl_chan->irq);
+	dev_info(fdev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id,
+				compatible, new_fsl_chan->irq);
 
 	return 0;
 
@@ -888,38 +889,20 @@ err_no_reg:
 	return err;
 }
 
-const u32 mpc8540_dma_ip_feature = FSL_DMA_IP_85XX | FSL_DMA_BIG_ENDIAN;
-const u32 mpc8349_dma_ip_feature = FSL_DMA_IP_83XX | FSL_DMA_LITTLE_ENDIAN;
-
-static struct of_device_id of_fsl_dma_chan_ids[] = {
-	{
-		.compatible = "fsl,eloplus-dma-channel",
-		.data = (void *)&mpc8540_dma_ip_feature,
-	},
-	{
-		.compatible = "fsl,elo-dma-channel",
-		.data = (void *)&mpc8349_dma_ip_feature,
-	},
-	{}
-};
-
-static struct of_platform_driver of_fsl_dma_chan_driver = {
-	.name = "of-fsl-dma-channel",
-	.match_table = of_fsl_dma_chan_ids,
-	.probe = of_fsl_dma_chan_probe,
-};
-
-static __init int of_fsl_dma_chan_init(void)
+static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan)
 {
-	return of_register_platform_driver(&of_fsl_dma_chan_driver);
+	free_irq(fchan->irq, fchan);
+	list_del(&fchan->common.device_node);
+	iounmap(fchan->reg_base);
+	kfree(fchan);
 }
 
 static int __devinit of_fsl_dma_probe(struct of_device *dev,
 			const struct of_device_id *match)
 {
 	int err;
-	unsigned int irq;
 	struct fsl_dma_device *fdev;
+	struct device_node *child;
 
 	fdev = kzalloc(sizeof(struct fsl_dma_device), GFP_KERNEL);
 	if (!fdev) {
@@ -953,9 +936,9 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
 	fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending;
 	fdev->common.dev = &dev->dev;
 
-	irq = irq_of_parse_and_map(dev->node, 0);
-	if (irq != NO_IRQ) {
-		err = request_irq(irq, &fsl_dma_do_interrupt, IRQF_SHARED,
+	fdev->irq = irq_of_parse_and_map(dev->node, 0);
+	if (fdev->irq != NO_IRQ) {
+		err = request_irq(fdev->irq, &fsl_dma_do_interrupt, IRQF_SHARED,
 					"fsldma-device", fdev);
 		if (err) {
 			dev_err(&dev->dev, "DMA device request_irq error "
@@ -965,7 +948,21 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
 	}
 
 	dev_set_drvdata(&(dev->dev), fdev);
-	of_platform_bus_probe(dev->node, of_fsl_dma_chan_ids, &dev->dev);
+
+	/* We cannot use of_platform_bus_probe() because there is no
+	 * of_platform_bus_remove.  Instead, we manually instantiate every DMA
+	 * channel object.
+	 */
+	for_each_child_of_node(dev->node, child) {
+		if (of_device_is_compatible(child, "fsl,eloplus-dma-channel"))
+			fsl_dma_chan_probe(fdev, child,
+				FSL_DMA_IP_85XX | FSL_DMA_BIG_ENDIAN,
+				"fsl,eloplus-dma-channel");
+		if (of_device_is_compatible(child, "fsl,elo-dma-channel"))
+			fsl_dma_chan_probe(fdev, child,
+				FSL_DMA_IP_83XX | FSL_DMA_LITTLE_ENDIAN,
+				"fsl,elo-dma-channel");
+	}
 
 	dma_async_device_register(&fdev->common);
 	return 0;
@@ -977,6 +974,30 @@ err_no_reg:
 	return err;
 }
 
+static int of_fsl_dma_remove(struct of_device *of_dev)
+{
+	struct fsl_dma_device *fdev;
+	unsigned int i;
+
+	fdev = dev_get_drvdata(&of_dev->dev);
+
+	dma_async_device_unregister(&fdev->common);
+
+	for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++)
+		if (fdev->chan[i])
+			fsl_dma_chan_remove(fdev->chan[i]);
+
+	if (fdev->irq != NO_IRQ)
+		free_irq(fdev->irq, fdev);
+
+	iounmap(fdev->reg_base);
+
+	kfree(fdev);
+	dev_set_drvdata(&of_dev->dev, NULL);
+
+	return 0;
+}
+
 static struct of_device_id of_fsl_dma_ids[] = {
 	{ .compatible = "fsl,eloplus-dma", },
 	{ .compatible = "fsl,elo-dma", },
@@ -984,15 +1005,32 @@ static struct of_device_id of_fsl_dma_ids[] = {
 };
 
 static struct of_platform_driver of_fsl_dma_driver = {
-	.name = "of-fsl-dma",
+	.name = "fsl-elo-dma",
 	.match_table = of_fsl_dma_ids,
 	.probe = of_fsl_dma_probe,
+	.remove = of_fsl_dma_remove,
 };
 
 static __init int of_fsl_dma_init(void)
 {
-	return of_register_platform_driver(&of_fsl_dma_driver);
+	int ret;
+
+	pr_info("Freescale Elo / Elo Plus DMA driver\n");
+
+	ret = of_register_platform_driver(&of_fsl_dma_driver);
+	if (ret)
+		pr_err("fsldma: failed to register platform driver\n");
+
+	return ret;
+}
+
+static void __exit of_fsl_dma_exit(void)
+{
+	of_unregister_platform_driver(&of_fsl_dma_driver);
 }
 
-subsys_initcall(of_fsl_dma_chan_init);
 subsys_initcall(of_fsl_dma_init);
+module_exit(of_fsl_dma_exit);
+
+MODULE_DESCRIPTION("Freescale Elo / Elo Plus DMA driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index 6faf07ba0d0..4f21a512d84 100644
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -114,6 +114,7 @@ struct fsl_dma_device {
 	struct dma_device common;
 	struct fsl_dma_chan *chan[FSL_DMA_MAX_CHANS_PER_DEVICE];
 	u32 feature;		/* The same as DMA channels */
+	int irq;		/* Channel IRQ */
 };
 
 /* Define macros for fsl_dma_chan->feature property */
-- 
GitLab


From 3afe7eb37f4d47f31d30a81c1b42ca02eab01e44 Mon Sep 17 00:00:00 2001
From: Alexander Belyakov <abelyako@mail.ru>
Date: Thu, 25 Sep 2008 17:53:24 +0400
Subject: [PATCH 0253/2224] [MTD] [NOR] fix cfi_cmdset_0001 FL_SYNCING race
 (take 2)

The patch fixes CFI issue with multipartitional devices leading to the
set of errors or even deadlock. The problem is CFI FL_SYNCING state race
with flash operations (e.g. erase suspend). It is reproduced by running
intensive writes on one JFFS2 partition and simultaneously performing
mount/unmount cycle on another partition of the same chip.

Signed-off-by: Alexander Belyakov <abelyako@googlemail.com>
Acked-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0001.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 5157e3cb4b9..c93a8be5d5f 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -725,6 +725,10 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long
 	struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
 	unsigned long timeo = jiffies + HZ;
 
+	/* Prevent setting state FL_SYNCING for chip in suspended state. */
+	if (mode == FL_SYNCING && chip->oldstate != FL_READY)
+		goto sleep;
+
 	switch (chip->state) {
 
 	case FL_STATUS:
@@ -830,8 +834,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 	DECLARE_WAITQUEUE(wait, current);
 
  retry:
-	if (chip->priv && (mode == FL_WRITING || mode == FL_ERASING
-			   || mode == FL_OTP_WRITE || mode == FL_SHUTDOWN)) {
+	if (chip->priv &&
+	    (mode == FL_WRITING || mode == FL_ERASING || mode == FL_OTP_WRITE
+	    || mode == FL_SHUTDOWN) && chip->state != FL_SYNCING) {
 		/*
 		 * OK. We have possibility for contention on the write/erase
 		 * operations which are global to the real chip and not per
@@ -881,6 +886,14 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
 				return ret;
 			}
 			spin_lock(&shared->lock);
+
+			/* We should not own chip if it is already
+			 * in FL_SYNCING state. Put contender and retry. */
+			if (chip->state == FL_SYNCING) {
+				put_chip(map, contender, contender->start);
+				spin_unlock(contender->mutex);
+				goto retry;
+			}
 			spin_unlock(contender->mutex);
 		}
 
-- 
GitLab


From e416de5e61e1a9b7f987804cbb67230b5f5293c6 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Tue, 23 Sep 2008 17:25:10 +0100
Subject: [PATCH 0254/2224] Export the ROM enable/disable helpers

.... so that they can be used by MTD map drivers. Lets us close #9420

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/rom.c   | 6 ++++--
 include/linux/pci.h | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index bd5c0e03139..1f5f6143f35 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -21,7 +21,7 @@
  * between the ROM and other resources, so enabling it may disable access
  * to MMIO registers or other card memory.
  */
-static int pci_enable_rom(struct pci_dev *pdev)
+int pci_enable_rom(struct pci_dev *pdev)
 {
 	struct resource *res = pdev->resource + PCI_ROM_RESOURCE;
 	struct pci_bus_region region;
@@ -45,7 +45,7 @@ static int pci_enable_rom(struct pci_dev *pdev)
  * Disable ROM decoding on a PCI device by turning off the last bit in the
  * ROM BAR.
  */
-static void pci_disable_rom(struct pci_dev *pdev)
+void pci_disable_rom(struct pci_dev *pdev)
 {
 	u32 rom_addr;
 	pci_read_config_dword(pdev, pdev->rom_base_reg, &rom_addr);
@@ -260,3 +260,5 @@ void pci_cleanup_rom(struct pci_dev *pdev)
 
 EXPORT_SYMBOL(pci_map_rom);
 EXPORT_SYMBOL(pci_unmap_rom);
+EXPORT_SYMBOL_GPL(pci_enable_rom);
+EXPORT_SYMBOL_GPL(pci_disable_rom);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c0e14008a3c..7a4cee00c1d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -631,6 +631,8 @@ int __must_check pci_assign_resource(struct pci_dev *dev, int i);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
 
 /* ROM control related routines */
+int pci_enable_rom(struct pci_dev *pdev);
+void pci_disable_rom(struct pci_dev *pdev);
 void __iomem __must_check *pci_map_rom(struct pci_dev *pdev, size_t *size);
 void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom);
 size_t pci_get_rom_size(void __iomem *rom, size_t size);
-- 
GitLab


From 4ab13943612673ef0822e1a041a9e629ba13a87c Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Tue, 23 Sep 2008 17:25:10 +0100
Subject: [PATCH 0255/2224] [MTD] [NOR] intel_dc21285 switch to ROM API

Now that the needed helpers are exported, it becomes a nice simple
switch over. Closes #9420

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pci.c | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c
index 5c6a25c9038..d978c2e28b1 100644
--- a/drivers/mtd/maps/pci.c
+++ b/drivers/mtd/maps/pci.c
@@ -203,15 +203,8 @@ intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map)
 		 * not enabled, should we be allocating a new resource for it
 		 * or simply enabling it?
 		 */
-		if (!(pci_resource_flags(dev, PCI_ROM_RESOURCE) &
-				    IORESOURCE_ROM_ENABLE)) {
-		     	u32 val;
-			pci_resource_flags(dev, PCI_ROM_RESOURCE) |= IORESOURCE_ROM_ENABLE;
-			pci_read_config_dword(dev, PCI_ROM_ADDRESS, &val);
-			val |= PCI_ROM_ADDRESS_ENABLE;
-			pci_write_config_dword(dev, PCI_ROM_ADDRESS, val);
-			printk("%s: enabling expansion ROM\n", pci_name(dev));
-		}
+		pci_enable_rom(dev);
+		printk("%s: enabling expansion ROM\n", pci_name(dev));
 	}
 
 	if (!len || !base)
@@ -240,10 +233,7 @@ intel_dc21285_exit(struct pci_dev *dev, struct map_pci_info *map)
 	/*
 	 * We need to undo the PCI BAR2/PCI ROM BAR address alteration.
 	 */
-	pci_resource_flags(dev, PCI_ROM_RESOURCE) &= ~IORESOURCE_ROM_ENABLE;
-	pci_read_config_dword(dev, PCI_ROM_ADDRESS, &val);
-	val &= ~PCI_ROM_ADDRESS_ENABLE;
-	pci_write_config_dword(dev, PCI_ROM_ADDRESS, val);
+	pci_disable_rom(dev);
 }
 
 static unsigned long
-- 
GitLab


From f324277cf70ad284dd99acf5ac5101e32bc8c55b Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier.adi@gmail.com>
Date: Mon, 22 Sep 2008 14:49:52 -0700
Subject: [PATCH 0256/2224] [MTD] [MAPS] Maps: make uclinux mapping driver
 depend on MTD_RAM

...since it only probes that

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 3ae76ecc07d..5ea16936216 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -491,7 +491,7 @@ config MTD_BFIN_ASYNC
 
 config MTD_UCLINUX
 	tristate "Generic uClinux RAM/ROM filesystem support"
-	depends on MTD_PARTITIONS && !MMU
+	depends on MTD_PARTITIONS && MTD_RAM && !MMU
 	help
 	  Map driver to support image based filesystems for uClinux.
 
-- 
GitLab


From 7086efe1c1536f6bc160e7d60a9bfd645b91f279 Mon Sep 17 00:00:00 2001
From: Frank Mayhar <fmayhar@google.com>
Date: Fri, 12 Sep 2008 09:54:39 -0700
Subject: [PATCH 0257/2224] timers: fix itimer/many thread hang, v3

- fix UP lockup
- another set of UP/SMP cleanups and simplifications

Signed-off-by: Frank Mayhar <fmayhar@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/sched.h |   1 -
 kernel/sched.c        |   1 -
 kernel/sched_stats.h  | 126 +++++++++++++-----------------------------
 3 files changed, 38 insertions(+), 90 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index b982fb48c8f..23d9d546454 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2134,7 +2134,6 @@ static inline int thread_group_cputime_clone_thread(struct task_struct *curr)
 	return thread_group_cputime_alloc(curr);
 }
 
-
 static inline void thread_group_cputime_free(struct signal_struct *sig)
 {
 	free_percpu(sig->cputime.totals);
diff --git a/kernel/sched.c b/kernel/sched.c
index 260c22cc530..29a3152c45d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4046,7 +4046,6 @@ unsigned long long task_delta_exec(struct task_struct *p)
 	unsigned long flags;
 	u64 ns = 0;
 
-	rq = task_rq_lock(p, &flags);
 	if (task_current(rq, p)) {
 		u64 delta_exec;
 
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index d6903bd0c7a..b8c156979cf 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -276,133 +276,83 @@ sched_info_switch(struct task_struct *prev, struct task_struct *next)
  * on CONFIG_SCHEDSTATS.
  */
 
-#ifdef CONFIG_SMP
-
 /**
- * thread_group_cputime_account_user - Maintain utime for a thread group.
+ * account_group_user_time - Maintain utime for a thread group.
  *
- * @tgtimes:	Pointer to thread_group_cputime structure.
- * @cputime:	Time value by which to increment the utime field of that
- *		structure.
+ * @tsk:	Pointer to task structure.
+ * @cputime:	Time value by which to increment the utime field of the
+ *		thread_group_cputime structure.
  *
  * If thread group time is being maintained, get the structure for the
  * running CPU and update the utime field there.
  */
-static inline void thread_group_cputime_account_user(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
+static inline void account_group_user_time(struct task_struct *tsk,
+					   cputime_t cputime)
 {
-	if (tgtimes->totals) {
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (unlikely(!sig))
+		return;
+	if (sig->cputime.totals) {
 		struct task_cputime *times;
 
-		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times = per_cpu_ptr(sig->cputime.totals, get_cpu());
 		times->utime = cputime_add(times->utime, cputime);
 		put_cpu_no_resched();
 	}
 }
 
 /**
- * thread_group_cputime_account_system - Maintain stime for a thread group.
+ * account_group_system_time - Maintain stime for a thread group.
  *
- * @tgtimes:	Pointer to thread_group_cputime structure.
- * @cputime:	Time value by which to increment the stime field of that
- *		structure.
+ * @tsk:	Pointer to task structure.
+ * @cputime:	Time value by which to increment the stime field of the
+ *		thread_group_cputime structure.
  *
  * If thread group time is being maintained, get the structure for the
  * running CPU and update the stime field there.
  */
-static inline void thread_group_cputime_account_system(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
+static inline void account_group_system_time(struct task_struct *tsk,
+					     cputime_t cputime)
 {
-	if (tgtimes->totals) {
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (unlikely(!sig))
+		return;
+	if (sig->cputime.totals) {
 		struct task_cputime *times;
 
-		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times = per_cpu_ptr(sig->cputime.totals, get_cpu());
 		times->stime = cputime_add(times->stime, cputime);
 		put_cpu_no_resched();
 	}
 }
 
 /**
- * thread_group_cputime_account_exec_runtime - Maintain exec runtime for a
- *						thread group.
+ * account_group_exec_runtime - Maintain exec runtime for a thread group.
  *
- * @tgtimes:	Pointer to thread_group_cputime structure.
+ * @tsk:	Pointer to task structure.
  * @ns:		Time value by which to increment the sum_exec_runtime field
- *		of that structure.
+ *		of the thread_group_cputime structure.
  *
  * If thread group time is being maintained, get the structure for the
  * running CPU and update the sum_exec_runtime field there.
  */
-static inline void thread_group_cputime_account_exec_runtime(
-	struct thread_group_cputime *tgtimes,
-	unsigned long long ns)
+static inline void account_group_exec_runtime(struct task_struct *tsk,
+					      unsigned long long ns)
 {
-	if (tgtimes->totals) {
+	struct signal_struct *sig;
+
+	sig = tsk->signal;
+	if (unlikely(!sig))
+		return;
+	if (sig->cputime.totals) {
 		struct task_cputime *times;
 
-		times = per_cpu_ptr(tgtimes->totals, get_cpu());
+		times = per_cpu_ptr(sig->cputime.totals, get_cpu());
 		times->sum_exec_runtime += ns;
 		put_cpu_no_resched();
 	}
 }
-
-#else /* CONFIG_SMP */
-
-static inline void thread_group_cputime_account_user(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
-{
-	tgtimes->totals->utime = cputime_add(tgtimes->totals->utime, cputime);
-}
-
-static inline void thread_group_cputime_account_system(
-	struct thread_group_cputime *tgtimes,
-	cputime_t cputime)
-{
-	tgtimes->totals->stime = cputime_add(tgtimes->totals->stime, cputime);
-}
-
-static inline void thread_group_cputime_account_exec_runtime(
-	struct thread_group_cputime *tgtimes,
-	unsigned long long ns)
-{
-	tgtimes->totals->sum_exec_runtime += ns;
-}
-
-#endif /* CONFIG_SMP */
-
-/*
- * These are the generic time-accounting routines that use the above
- * functions.  They are the functions actually called by the scheduler.
- */
-static inline void account_group_user_time(struct task_struct *tsk,
-					    cputime_t cputime)
-{
-	struct signal_struct *sig;
-
-	sig = tsk->signal;
-	if (likely(sig))
-		thread_group_cputime_account_user(&sig->cputime, cputime);
-}
-
-static inline void account_group_system_time(struct task_struct *tsk,
-					      cputime_t cputime)
-{
-	struct signal_struct *sig;
-
-	sig = tsk->signal;
-	if (likely(sig))
-		thread_group_cputime_account_system(&sig->cputime, cputime);
-}
-
-static inline void account_group_exec_runtime(struct task_struct *tsk,
-					       unsigned long long ns)
-{
-	struct signal_struct *sig;
-
-	sig = tsk->signal;
-	if (likely(sig))
-		thread_group_cputime_account_exec_runtime(&sig->cputime, ns);
-}
-- 
GitLab


From 88856d67cf6b787447889915bafd541be20b8630 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 29 Sep 2008 19:43:44 +0900
Subject: [PATCH 0258/2224] sh: Fix up uaccess_64 put/get_user() cast warnings.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/uaccess_64.h | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
index 5580fd47100..0042c9054b2 100644
--- a/arch/sh/include/asm/uaccess_64.h
+++ b/arch/sh/include/asm/uaccess_64.h
@@ -26,16 +26,20 @@ do {								\
 	retval = 0;						\
 	switch (size) {						\
 	case 1:							\
-		retval = __get_user_asm_b(x, ptr);		\
+		retval = __get_user_asm_b((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	case 2:							\
-		retval = __get_user_asm_w(x, ptr);		\
+		retval = __get_user_asm_w((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	case 4:							\
-		retval = __get_user_asm_l(x, ptr);		\
+		retval = __get_user_asm_l((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	case 8:							\
-		retval = __get_user_asm_q(x, ptr);		\
+		retval = __get_user_asm_q((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	default:						\
 		__get_user_unknown();				\
@@ -54,16 +58,20 @@ do {								\
 	retval = 0;						\
 	switch (size) {						\
 	case 1:							\
-		retval = __put_user_asm_b(x, ptr);		\
+		retval = __put_user_asm_b((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	case 2:							\
-		retval = __put_user_asm_w(x, ptr);		\
+		retval = __put_user_asm_w((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	case 4:							\
-		retval = __put_user_asm_l(x, ptr);		\
+		retval = __put_user_asm_l((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	case 8:							\
-		retval = __put_user_asm_q(x, ptr);		\
+		retval = __put_user_asm_q((void *)&x,		\
+					  (long)ptr);		\
 		break;						\
 	default:						\
 		__put_user_unknown();				\
-- 
GitLab


From 091db04559a62a00769553c9120623c2f6bc8b4d Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 29 Sep 2008 19:44:40 +0900
Subject: [PATCH 0259/2224] sh: Fix up signal_64 cast warnings.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/signal_64.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 0582ae4739b..ce3e851dffc 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -563,7 +563,7 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 			(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 
 		if (__copy_to_user(frame->retcode,
-			(unsigned long long)sa_default_restorer & (~1), 16) != 0)
+			(void *)((unsigned long)sa_default_restorer & (~1)), 16) != 0)
 			goto give_sigsegv;
 
 		/* Cohere the trampoline with the I-cache. */
@@ -681,7 +681,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 			(DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR;
 
 		if (__copy_to_user(frame->retcode,
-			(unsigned long long)sa_default_rt_restorer & (~1), 16) != 0)
+			(void *)((unsigned long)sa_default_rt_restorer & (~1)), 16) != 0)
 			goto give_sigsegv;
 
 		flush_icache_range(DEREF_REG_PR-1, DEREF_REG_PR-1+15);
-- 
GitLab


From 50b72e600b62bcdf40971e55f609cf4771346cc1 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 29 Sep 2008 19:45:16 +0900
Subject: [PATCH 0260/2224] sh: sh_ksyms_64 needs __strncpy_from_user()
 definition.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/uaccess_64.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
index 0042c9054b2..56fd20b8cdc 100644
--- a/arch/sh/include/asm/uaccess_64.h
+++ b/arch/sh/include/asm/uaccess_64.h
@@ -85,5 +85,7 @@ extern long __put_user_asm_q(void *, long);
 extern void __put_user_unknown(void);
 
 extern long __strnlen_user(const char *__s, long __n);
+extern int __strncpy_from_user(unsigned long __dest,
+	       unsigned long __user __src, int __count);
 
 #endif /* __ASM_SH_UACCESS_64_H */
-- 
GitLab


From 4d01cdafbafc0fdeb730838ca38a48e5ca2894cd Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 29 Sep 2008 20:09:17 +0900
Subject: [PATCH 0261/2224] sh: SH-5 clk fwk support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh5/Makefile    |   5 +
 arch/sh/kernel/cpu/sh5/clock-sh5.c |  79 ++++++++++++++
 arch/sh/kernel/time_64.c           | 168 ++---------------------------
 3 files changed, 91 insertions(+), 161 deletions(-)
 create mode 100644 arch/sh/kernel/cpu/sh5/clock-sh5.c

diff --git a/arch/sh/kernel/cpu/sh5/Makefile b/arch/sh/kernel/cpu/sh5/Makefile
index 8646363e9de..ce4602ea23a 100644
--- a/arch/sh/kernel/cpu/sh5/Makefile
+++ b/arch/sh/kernel/cpu/sh5/Makefile
@@ -5,3 +5,8 @@ obj-y := entry.o probe.o switchto.o
 
 obj-$(CONFIG_SH_FPU)		+= fpu.o
 obj-$(CONFIG_KALLSYMS)		+= unwind.o
+
+# Primary on-chip clocks (common)
+clock-$(CONFIG_CPU_SH5)		:= clock-sh5.o
+
+obj-y			+= $(clock-y)
diff --git a/arch/sh/kernel/cpu/sh5/clock-sh5.c b/arch/sh/kernel/cpu/sh5/clock-sh5.c
new file mode 100644
index 00000000000..52c49248833
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh5/clock-sh5.c
@@ -0,0 +1,79 @@
+/*
+ * arch/sh/kernel/cpu/sh5/clock-sh5.c
+ *
+ * SH-5 support for the clock framework
+ *
+ *  Copyright (C) 2008  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/clock.h>
+#include <asm/io.h>
+
+static int ifc_table[] = { 2, 4, 6, 8, 10, 12, 16, 24 };
+
+/* Clock, Power and Reset Controller */
+#define	CPRC_BLOCK_OFF	0x01010000
+#define CPRC_BASE	(PHYS_PERIPHERAL_BLOCK + CPRC_BLOCK_OFF)
+
+static unsigned long cprc_base;
+
+static void master_clk_init(struct clk *clk)
+{
+	int idx = (ctrl_inl(cprc_base + 0x00) >> 6) & 0x0007;
+	clk->rate *= ifc_table[idx];
+}
+
+static struct clk_ops sh5_master_clk_ops = {
+	.init		= master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+	int idx = (ctrl_inw(cprc_base) >> 12) & 0x0007;
+	clk->rate = clk->parent->rate / ifc_table[idx];
+}
+
+static struct clk_ops sh5_module_clk_ops = {
+	.recalc		= module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+	int idx = (ctrl_inw(cprc_base) >> 3) & 0x0007;
+	clk->rate = clk->parent->rate / ifc_table[idx];
+}
+
+static struct clk_ops sh5_bus_clk_ops = {
+	.recalc		= bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+	int idx = (ctrl_inw(cprc_base) & 0x0007);
+	clk->rate = clk->parent->rate / ifc_table[idx];
+}
+
+static struct clk_ops sh5_cpu_clk_ops = {
+	.recalc		= cpu_clk_recalc,
+};
+
+static struct clk_ops *sh5_clk_ops[] = {
+	&sh5_master_clk_ops,
+	&sh5_module_clk_ops,
+	&sh5_bus_clk_ops,
+	&sh5_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+	cprc_base = onchip_remap(CPRC_BASE, 1024, "CPRC");
+	BUG_ON(!cprc_base);
+
+	if (idx < ARRAY_SIZE(sh5_clk_ops))
+		*ops = sh5_clk_ops[idx];
+}
diff --git a/arch/sh/kernel/time_64.c b/arch/sh/kernel/time_64.c
index 791edabf7d8..bbb2af1004d 100644
--- a/arch/sh/kernel/time_64.c
+++ b/arch/sh/kernel/time_64.c
@@ -39,6 +39,7 @@
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/delay.h>
+#include <asm/clock.h>
 
 #define TMU_TOCR_INIT	0x00
 #define TMU0_TCR_INIT	0x0020
@@ -51,14 +52,6 @@
 #define RTC_RCR1_CIE	0x10	/* Carry Interrupt Enable */
 #define RTC_RCR1	(rtc_base + 0x38)
 
-/* Clock, Power and Reset Controller */
-#define	CPRC_BLOCK_OFF	0x01010000
-#define CPRC_BASE	PHYS_PERIPHERAL_BLOCK + CPRC_BLOCK_OFF
-
-#define FRQCR		(cprc_base+0x0)
-#define WTCSR		(cprc_base+0x0018)
-#define STBCR		(cprc_base+0x0030)
-
 /* Time Management Unit */
 #define	TMU_BLOCK_OFF	0x01020000
 #define TMU_BASE	PHYS_PERIPHERAL_BLOCK + TMU_BLOCK_OFF
@@ -293,103 +286,17 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-
-static __init unsigned int get_cpu_hz(void)
-{
-	unsigned int count;
-	unsigned long __dummy;
-	unsigned long ctc_val_init, ctc_val;
-
-	/*
-	** Regardless the toolchain, force the compiler to use the
-	** arbitrary register r3 as a clock tick counter.
-	** NOTE: r3 must be in accordance with sh64_rtc_interrupt()
-	*/
-	register unsigned long long  __rtc_irq_flag __asm__ ("r3");
-
-	local_irq_enable();
-	do {} while (ctrl_inb(rtc_base) != 0);
-	ctrl_outb(RTC_RCR1_CIE, RTC_RCR1); /* Enable carry interrupt */
-
-	/*
-	 * r3 is arbitrary. CDC does not support "=z".
-	 */
-	ctc_val_init = 0xffffffff;
-	ctc_val = ctc_val_init;
-
-	asm volatile("gettr	tr0, %1\n\t"
-		     "putcon	%0, " __CTC "\n\t"
-		     "and	%2, r63, %2\n\t"
-		     "pta	$+4, tr0\n\t"
-		     "beq/l	%2, r63, tr0\n\t"
-		     "ptabs	%1, tr0\n\t"
-		     "getcon	" __CTC ", %0\n\t"
-		: "=r"(ctc_val), "=r" (__dummy), "=r" (__rtc_irq_flag)
-		: "0" (0));
-	local_irq_disable();
-	/*
-	 * SH-3:
-	 * CPU clock = 4 stages * loop
-	 * tst    rm,rm      if id ex
-	 * bt/s   1b            if id ex
-	 * add    #1,rd            if id ex
-         *                            (if) pipe line stole
-	 * tst    rm,rm                  if id ex
-         * ....
-	 *
-	 *
-	 * SH-4:
-	 * CPU clock = 6 stages * loop
-	 * I don't know why.
-         * ....
-	 *
-	 * SH-5:
-	 * Use CTC register to count.  This approach returns the right value
-	 * even if the I-cache is disabled (e.g. whilst debugging.)
-	 *
-	 */
-
-	count = ctc_val_init - ctc_val; /* CTC counts down */
-
-	/*
-	 * This really is count by the number of clock cycles
-         * by the ratio between a complete R64CNT
-         * wrap-around (128) and CUI interrupt being raised (64).
-	 */
-	return count*2;
-}
-
-static irqreturn_t sh64_rtc_interrupt(int irq, void *dev_id)
-{
-	struct pt_regs *regs = get_irq_regs();
-
-	ctrl_outb(0, RTC_RCR1);	/* Disable Carry Interrupts */
-	regs->regs[3] = 1;	/* Using r3 */
-
-	return IRQ_HANDLED;
-}
-
 static struct irqaction irq0  = {
 	.handler = timer_interrupt,
 	.flags = IRQF_DISABLED,
 	.mask = CPU_MASK_NONE,
 	.name = "timer",
 };
-static struct irqaction irq1  = {
-	.handler = sh64_rtc_interrupt,
-	.flags = IRQF_DISABLED,
-	.mask = CPU_MASK_NONE,
-	.name = "rtc",
-};
 
 void __init time_init(void)
 {
-	unsigned int cpu_clock, master_clock, bus_clock, module_clock;
 	unsigned long interval;
-	unsigned long frqcr, ifc, pfc;
-	static int ifc_table[] = { 2, 4, 6, 8, 10, 12, 16, 24 };
-#define bfc_table ifc_table	/* Same */
-#define pfc_table ifc_table	/* Same */
+	struct clk *clk;
 
 	tmu_base = onchip_remap(TMU_BASE, 1024, "TMU");
 	if (!tmu_base) {
@@ -401,50 +308,19 @@ void __init time_init(void)
 		panic("Unable to remap RTC\n");
 	}
 
-	cprc_base = onchip_remap(CPRC_BASE, 1024, "CPRC");
-	if (!cprc_base) {
-		panic("Unable to remap CPRC\n");
-	}
+	clk = clk_get(NULL, "cpu_clk");
+	scaled_recip_ctc_ticks_per_jiffy = ((1ULL << CTC_JIFFY_SCALE_SHIFT) /
+			(unsigned long long)(clk_get_rate(clk) / HZ));
 
 	rtc_sh_get_time(&xtime);
 
 	setup_irq(TIMER_IRQ, &irq0);
-	setup_irq(RTC_IRQ, &irq1);
-
-	/* Check how fast it is.. */
-	cpu_clock = get_cpu_hz();
-
-	/* Note careful order of operations to maintain reasonable precision and avoid overflow. */
-	scaled_recip_ctc_ticks_per_jiffy = ((1ULL << CTC_JIFFY_SCALE_SHIFT) / (unsigned long long)(cpu_clock / HZ));
-
-	free_irq(RTC_IRQ, NULL);
-
-	printk("CPU clock: %d.%02dMHz\n",
-	       (cpu_clock / 1000000), (cpu_clock % 1000000)/10000);
-	{
-		unsigned short bfc;
-		frqcr = ctrl_inl(FRQCR);
-		ifc  = ifc_table[(frqcr>> 6) & 0x0007];
-		bfc  = bfc_table[(frqcr>> 3) & 0x0007];
-		pfc  = pfc_table[(frqcr>> 12) & 0x0007];
-		master_clock = cpu_clock * ifc;
-		bus_clock = master_clock/bfc;
-	}
 
-	printk("Bus clock: %d.%02dMHz\n",
-	       (bus_clock/1000000), (bus_clock % 1000000)/10000);
-	module_clock = master_clock/pfc;
-	printk("Module clock: %d.%02dMHz\n",
-	       (module_clock/1000000), (module_clock % 1000000)/10000);
-	interval = (module_clock/(HZ*4));
+	clk = clk_get(NULL, "module_clk");
+	interval = (clk_get_rate(clk)/(HZ*4));
 
 	printk("Interval = %ld\n", interval);
 
-	current_cpu_data.cpu_clock    = cpu_clock;
-	current_cpu_data.master_clock = master_clock;
-	current_cpu_data.bus_clock    = bus_clock;
-	current_cpu_data.module_clock = module_clock;
-
 	/* Start TMU0 */
 	ctrl_outb(TMU_TSTR_OFF, TMU_TSTR);
 	ctrl_outb(TMU_TOCR_INIT, TMU_TOCR);
@@ -454,36 +330,6 @@ void __init time_init(void)
 	ctrl_outb(TMU_TSTR_INIT, TMU_TSTR);
 }
 
-void enter_deep_standby(void)
-{
-	/* Disable watchdog timer */
-	ctrl_outl(0xa5000000, WTCSR);
-	/* Configure deep standby on sleep */
-	ctrl_outl(0x03, STBCR);
-
-#ifdef CONFIG_SH_ALPHANUMERIC
-	{
-		extern void mach_alphanum(int position, unsigned char value);
-		extern void mach_alphanum_brightness(int setting);
-		char halted[] = "Halted. ";
-		int i;
-		mach_alphanum_brightness(6); /* dimmest setting above off */
-		for (i=0; i<8; i++) {
-			mach_alphanum(i, halted[i]);
-		}
-		asm __volatile__ ("synco");
-	}
-#endif
-
-	asm __volatile__ ("sleep");
-	asm __volatile__ ("synci");
-	asm __volatile__ ("nop");
-	asm __volatile__ ("nop");
-	asm __volatile__ ("nop");
-	asm __volatile__ ("nop");
-	panic("Unexpected wakeup!\n");
-}
-
 static struct resource rtc_resources[] = {
 	[0] = {
 		/* RTC base, filled in by rtc_init */
-- 
GitLab


From bdeb3be7cc6911477b7169dad62a427d7a263d02 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 29 Sep 2008 20:14:44 +0900
Subject: [PATCH 0262/2224] sh: Use clk fwk for preset lpj on sh64, too.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 71be7ff5c77..dca54ccdf29 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -28,7 +28,6 @@ config SUPERH32
 
 config SUPERH64
 	def_bool y if CPU_SH5
-	select GENERIC_CALIBRATE_DELAY
 
 config ARCH_DEFCONFIG
 	string
-- 
GitLab


From 8463200a00fe2aea938b40173198a0983f2929ef Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Fri, 26 Sep 2008 00:54:28 +0400
Subject: [PATCH 0263/2224] ACPI: EC: Rename some variables

No functional changes.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Acked-by: Rafael J. Wysocki <rjw@suse.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/ec.c | 118 +++++++++++++++++++++++++---------------------
 1 file changed, 63 insertions(+), 55 deletions(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 7f0d81c0ec9..453ba1e534e 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -95,10 +95,11 @@ struct acpi_ec_query_handler {
 	u8 query_bit;
 };
 
-struct transaction_data {
+struct transaction {
 	const u8 *wdata;
 	u8 *rdata;
 	unsigned short irq_count;
+	u8 command;
 	u8 wlen;
 	u8 rlen;
 };
@@ -113,8 +114,8 @@ static struct acpi_ec {
 	struct mutex lock;
 	wait_queue_head_t wait;
 	struct list_head list;
-	struct transaction_data *t;
-	spinlock_t t_lock;
+	struct transaction *curr;
+	spinlock_t curr_lock;
 } *boot_ec, *first_ec;
 
 /* 
@@ -176,37 +177,37 @@ static int ec_transaction_done(struct acpi_ec *ec)
 {
 	unsigned long flags;
 	int ret = 0;
-	spin_lock_irqsave(&ec->t_lock, flags);
-	if (!ec->t || (!ec->t->wlen && !ec->t->rlen))
+	spin_lock_irqsave(&ec->curr_lock, flags);
+	if (!ec->curr || (!ec->curr->wlen && !ec->curr->rlen))
 		ret = 1;
-	spin_unlock_irqrestore(&ec->t_lock, flags);
+	spin_unlock_irqrestore(&ec->curr_lock, flags);
 	return ret;
 }
 
 static void gpe_transaction(struct acpi_ec *ec, u8 status)
 {
 	unsigned long flags;
-	spin_lock_irqsave(&ec->t_lock, flags);
-	if (!ec->t)
+	spin_lock_irqsave(&ec->curr_lock, flags);
+	if (!ec->curr)
 		goto unlock;
-	if (ec->t->wlen > 0) {
+	if (ec->curr->wlen > 0) {
 		if ((status & ACPI_EC_FLAG_IBF) == 0) {
-			acpi_ec_write_data(ec, *(ec->t->wdata++));
-			--ec->t->wlen;
+			acpi_ec_write_data(ec, *(ec->curr->wdata++));
+			--ec->curr->wlen;
 		} else
 			/* false interrupt, state didn't change */
-			++ec->t->irq_count;
+			++ec->curr->irq_count;
 
-	} else if (ec->t->rlen > 0) {
+	} else if (ec->curr->rlen > 0) {
 		if ((status & ACPI_EC_FLAG_OBF) == 1) {
-			*(ec->t->rdata++) = acpi_ec_read_data(ec);
-			--ec->t->rlen;
+			*(ec->curr->rdata++) = acpi_ec_read_data(ec);
+			--ec->curr->rlen;
 		} else
 			/* false interrupt, state didn't change */
-			++ec->t->irq_count;
+			++ec->curr->irq_count;
 	}
 unlock:
-	spin_unlock_irqrestore(&ec->t_lock, flags);
+	spin_unlock_irqrestore(&ec->curr_lock, flags);
 }
 
 static int acpi_ec_wait(struct acpi_ec *ec)
@@ -248,15 +249,11 @@ static int ec_poll(struct acpi_ec *ec)
 	return -ETIME;
 }
 
-static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
-					const u8 * wdata, unsigned wdata_len,
-					u8 * rdata, unsigned rdata_len,
+static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
+					struct transaction *t,
 					int force_poll)
 {
 	unsigned long tmp;
-	struct transaction_data t = {.wdata = wdata, .rdata = rdata,
-				     .wlen = wdata_len, .rlen = rdata_len,
-				     .irq_count = 0};
 	int ret = 0;
 	pr_debug(PREFIX "transaction start\n");
 	/* disable GPE during transaction if storm is detected */
@@ -265,29 +262,30 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command,
 		acpi_disable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
 	}
 	/* start transaction */
-	spin_lock_irqsave(&ec->t_lock, tmp);
+	spin_lock_irqsave(&ec->curr_lock, tmp);
 	/* following two actions should be kept atomic */
-	ec->t = &t;
-	acpi_ec_write_cmd(ec, command);
-	if (command == ACPI_EC_COMMAND_QUERY)
+	t->irq_count = 0;
+	ec->curr = t;
+	acpi_ec_write_cmd(ec, ec->curr->command);
+	if (ec->curr->command == ACPI_EC_COMMAND_QUERY)
 		clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
-	spin_unlock_irqrestore(&ec->t_lock, tmp);
+	spin_unlock_irqrestore(&ec->curr_lock, tmp);
 	/* if we selected poll mode or failed in GPE-mode do a poll loop */
 	if (force_poll ||
 	    !test_bit(EC_FLAGS_GPE_MODE, &ec->flags) ||
 	    acpi_ec_wait(ec))
 		ret = ec_poll(ec);
 	pr_debug(PREFIX "transaction end\n");
-	spin_lock_irqsave(&ec->t_lock, tmp);
-	ec->t = NULL;
-	spin_unlock_irqrestore(&ec->t_lock, tmp);
+	spin_lock_irqsave(&ec->curr_lock, tmp);
+	ec->curr = NULL;
+	spin_unlock_irqrestore(&ec->curr_lock, tmp);
 	if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
 		/* check if we received SCI during transaction */
 		ec_check_sci(ec, acpi_ec_read_status(ec));
 		/* it is safe to enable GPE outside of transaction */
 		acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
 	} else if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags) &&
-		   t.irq_count > ACPI_EC_STORM_THRESHOLD) {
+		   t->irq_count > ACPI_EC_STORM_THRESHOLD) {
 		pr_debug(PREFIX "GPE storm detected\n");
 		set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
 	}
@@ -300,17 +298,15 @@ static int ec_check_ibf0(struct acpi_ec *ec)
 	return (status & ACPI_EC_FLAG_IBF) == 0;
 }
 
-static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
-			       const u8 * wdata, unsigned wdata_len,
-			       u8 * rdata, unsigned rdata_len,
+static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t,
 			       int force_poll)
 {
 	int status;
 	u32 glk;
-	if (!ec || (wdata_len && !wdata) || (rdata_len && !rdata))
+	if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata))
 		return -EINVAL;
-	if (rdata)
-		memset(rdata, 0, rdata_len);
+	if (t->rdata)
+		memset(t->rdata, 0, t->rlen);
 	mutex_lock(&ec->lock);
 	if (ec->global_lock) {
 		status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
@@ -326,10 +322,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
 		status = -ETIME;
 		goto end;
 	}
-	status = acpi_ec_transaction_unlocked(ec, command,
-					      wdata, wdata_len,
-					      rdata, rdata_len,
-					      force_poll);
+	status = acpi_ec_transaction_unlocked(ec, t, force_poll);
 end:
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
@@ -345,23 +338,32 @@ unlock:
 int acpi_ec_burst_enable(struct acpi_ec *ec)
 {
 	u8 d;
-	return acpi_ec_transaction(ec, ACPI_EC_BURST_ENABLE, NULL, 0, &d, 1, 0);
+	struct transaction t = {.command = ACPI_EC_BURST_ENABLE,
+				.wdata = NULL, .rdata = &d,
+				.wlen = 0, .rlen = 1};
+
+	return acpi_ec_transaction(ec, &t, 0);
 }
 
 int acpi_ec_burst_disable(struct acpi_ec *ec)
 {
+	struct transaction t = {.command = ACPI_EC_BURST_DISABLE,
+				.wdata = NULL, .rdata = NULL,
+				.wlen = 0, .rlen = 0};
+
 	return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ?
-		acpi_ec_transaction(ec, ACPI_EC_BURST_DISABLE,
-			NULL, 0, NULL, 0, 0) : 0;
+				acpi_ec_transaction(ec, &t, 0) : 0;
 }
 
 static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
 {
 	int result;
 	u8 d;
+	struct transaction t = {.command = ACPI_EC_COMMAND_READ,
+				.wdata = &address, .rdata = &d,
+				.wlen = 1, .rlen = 1};
 
-	result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_READ,
-				     &address, 1, &d, 1, 0);
+	result = acpi_ec_transaction(ec, &t, 0);
 	*data = d;
 	return result;
 }
@@ -369,8 +371,11 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 * data)
 static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data)
 {
 	u8 wdata[2] = { address, data };
-	return acpi_ec_transaction(ec, ACPI_EC_COMMAND_WRITE,
-				   wdata, 2, NULL, 0, 0);
+	struct transaction t = {.command = ACPI_EC_COMMAND_WRITE,
+				.wdata = wdata, .rdata = NULL,
+				.wlen = 2, .rlen = 0};
+
+	return acpi_ec_transaction(ec, &t, 0);
 }
 
 /*
@@ -432,12 +437,13 @@ int ec_transaction(u8 command,
 		   u8 * rdata, unsigned rdata_len,
 		   int force_poll)
 {
+	struct transaction t = {.command = command,
+				.wdata = wdata, .rdata = rdata,
+				.wlen = wdata_len, .rlen = rdata_len};
 	if (!first_ec)
 		return -ENODEV;
 
-	return acpi_ec_transaction(first_ec, command, wdata,
-				   wdata_len, rdata, rdata_len,
-				   force_poll);
+	return acpi_ec_transaction(first_ec, &t, force_poll);
 }
 
 EXPORT_SYMBOL(ec_transaction);
@@ -446,7 +452,9 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 * data)
 {
 	int result;
 	u8 d;
-
+	struct transaction t = {.command = ACPI_EC_COMMAND_QUERY,
+				.wdata = NULL, .rdata = &d,
+				.wlen = 0, .rlen = 1};
 	if (!ec || !data)
 		return -EINVAL;
 
@@ -456,7 +464,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 * data)
 	 * bit to be cleared (and thus clearing the interrupt source).
 	 */
 
-	result = acpi_ec_transaction(ec, ACPI_EC_COMMAND_QUERY, NULL, 0, &d, 1, 0);
+	result = acpi_ec_transaction(ec, &t, 0);
 	if (result)
 		return result;
 
@@ -696,7 +704,7 @@ static struct acpi_ec *make_acpi_ec(void)
 	mutex_init(&ec->lock);
 	init_waitqueue_head(&ec->wait);
 	INIT_LIST_HEAD(&ec->list);
-	spin_lock_init(&ec->t_lock);
+	spin_lock_init(&ec->curr_lock);
 	return ec;
 }
 
-- 
GitLab


From 1508487e7f16d992ad23cabd3712563ff912f413 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 30 Sep 2008 08:28:17 +0200
Subject: [PATCH 0264/2224] timers: fix itimer/many thread hang, fix

fix bogus rq dereference: v3 removed the locking but also removed the rq
initialization.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/sched.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 29a3152c45d..ebb03def564 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4042,10 +4042,12 @@ EXPORT_PER_CPU_SYMBOL(kstat);
  */
 unsigned long long task_delta_exec(struct task_struct *p)
 {
-	struct rq *rq;
 	unsigned long flags;
+	struct rq *rq;
 	u64 ns = 0;
 
+	rq = task_rq_lock(p, &flags);
+
 	if (task_current(rq, p)) {
 		u64 delta_exec;
 
@@ -4055,6 +4057,8 @@ unsigned long long task_delta_exec(struct task_struct *p)
 			ns = delta_exec;
 	}
 
+	task_rq_unlock(rq, &flags);
+
 	return ns;
 }
 
-- 
GitLab


From 948cfb219bbbc3c8e1b10a671ca88219fa42a052 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Wed, 20 Aug 2008 11:56:33 +0300
Subject: [PATCH 0265/2224] UBIFS: add a print, fix comments and more minor
 stuff

This commit adds a reserved pool size print and tweaks the
prints to make them look nicer.

It also fixes and cleans-up some comments.

Additionally, it deletes some blank lines to make the code look
a little nicer.

In other words, nothing essential.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/budget.c | 26 ++++++++++++++------------
 fs/ubifs/lprops.c |  6 +-----
 fs/ubifs/super.c  | 16 +++++++++-------
 3 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/fs/ubifs/budget.c b/fs/ubifs/budget.c
index 73db464cd08..1a4973e1066 100644
--- a/fs/ubifs/budget.c
+++ b/fs/ubifs/budget.c
@@ -414,19 +414,21 @@ static int do_budget_space(struct ubifs_info *c)
 	 *    @c->lst.empty_lebs + @c->freeable_cnt + @c->idx_gc_cnt -
 	 *    @c->lst.taken_empty_lebs
 	 *
-	 * @empty_lebs are available because they are empty. @freeable_cnt are
-	 * available because they contain only free and dirty space and the
-	 * index allocation always occurs after wbufs are synch'ed.
-	 * @idx_gc_cnt are available because they are index LEBs that have been
-	 * garbage collected (including trivial GC) and are awaiting the commit
-	 * before they can be unmapped - note that the in-the-gaps method will
-	 * grab these if it needs them. @taken_empty_lebs are empty_lebs that
-	 * have already been allocated for some purpose (also includes those
-	 * LEBs on the @idx_gc list).
+	 * @c->lst.empty_lebs are available because they are empty.
+	 * @c->freeable_cnt are available because they contain only free and
+	 * dirty space, @c->idx_gc_cnt are available because they are index
+	 * LEBs that have been garbage collected and are awaiting the commit
+	 * before they can be used. And the in-the-gaps method will grab these
+	 * if it needs them. @c->lst.taken_empty_lebs are empty LEBs that have
+	 * already been allocated for some purpose.
 	 *
-	 * Note, @taken_empty_lebs may temporarily be higher by one because of
-	 * the way we serialize LEB allocations and budgeting. See a comment in
-	 * 'ubifs_find_free_space()'.
+	 * Note, @c->idx_gc_cnt is included to both @c->lst.empty_lebs (because
+	 * these LEBs are empty) and to @c->lst.taken_empty_lebs (because they
+	 * are taken until after the commit).
+	 *
+	 * Note, @c->lst.taken_empty_lebs may temporarily be higher by one
+	 * because of the way we serialize LEB allocations and budgeting. See a
+	 * comment in 'ubifs_find_free_space()'.
 	 */
 	lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt -
 	       c->lst.taken_empty_lebs;
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index 2ba93da71b6..3659b887743 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -125,6 +125,7 @@ static void adjust_lpt_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap,
 			}
 		}
 	}
+
 	/* Not greater than parent, so compare to children */
 	while (1) {
 		/* Compare to left child */
@@ -576,7 +577,6 @@ const struct ubifs_lprops *ubifs_change_lp(struct ubifs_info *c,
 	ubifs_assert(!(lprops->free & 7) && !(lprops->dirty & 7));
 
 	spin_lock(&c->space_lock);
-
 	if ((lprops->flags & LPROPS_TAKEN) && lprops->free == c->leb_size)
 		c->lst.taken_empty_lebs -= 1;
 
@@ -637,11 +637,8 @@ const struct ubifs_lprops *ubifs_change_lp(struct ubifs_info *c,
 		c->lst.taken_empty_lebs += 1;
 
 	change_category(c, lprops);
-
 	c->idx_gc_cnt += idx_gc_cnt;
-
 	spin_unlock(&c->space_lock);
-
 	return lprops;
 }
 
@@ -1262,7 +1259,6 @@ static int scan_check_cb(struct ubifs_info *c,
 	}
 
 	ubifs_scan_destroy(sleb);
-
 	return LPT_SCAN_CONTINUE;
 
 out_print:
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 3f4902060c7..667c72d8a5c 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1144,19 +1144,21 @@ static int mount_ubifs(struct ubifs_info *c)
 	if (mounted_read_only)
 		ubifs_msg("mounted read-only");
 	x = (long long)c->main_lebs * c->leb_size;
-	ubifs_msg("file system size: %lld bytes (%lld KiB, %lld MiB, %d LEBs)",
-		  x, x >> 10, x >> 20, c->main_lebs);
+	ubifs_msg("file system size:   %lld bytes (%lld KiB, %lld MiB, %d "
+		  "LEBs)", x, x >> 10, x >> 20, c->main_lebs);
 	x = (long long)c->log_lebs * c->leb_size + c->max_bud_bytes;
-	ubifs_msg("journal size: %lld bytes (%lld KiB, %lld MiB, %d LEBs)",
-		  x, x >> 10, x >> 20, c->log_lebs + c->max_bud_cnt);
-	ubifs_msg("default compressor: %s", ubifs_compr_name(c->default_compr));
-	ubifs_msg("media format %d, latest format %d",
+	ubifs_msg("journal size:       %lld bytes (%lld KiB, %lld MiB, %d "
+		  "LEBs)", x, x >> 10, x >> 20, c->log_lebs + c->max_bud_cnt);
+	ubifs_msg("media format:       %d (latest is %d)",
 		  c->fmt_version, UBIFS_FORMAT_VERSION);
+	ubifs_msg("default compressor: %s", ubifs_compr_name(c->default_compr));
+	ubifs_msg("reserved pool size: %llu bytes (%llu KiB)",
+		c->report_rp_size, c->report_rp_size >> 10);
 
 	dbg_msg("compiled on:         " __DATE__ " at " __TIME__);
 	dbg_msg("min. I/O unit size:  %d bytes", c->min_io_size);
 	dbg_msg("LEB size:            %d bytes (%d KiB)",
-		c->leb_size, c->leb_size / 1024);
+		c->leb_size, c->leb_size >> 10);
 	dbg_msg("data journal heads:  %d",
 		c->jhead_cnt - NONDATA_JHEADS_CNT);
 	dbg_msg("UUID:                %02X%02X%02X%02X-%02X%02X"
-- 
GitLab


From 8d47aef43ba166bdd11d522307c61ab23aab61c3 Mon Sep 17 00:00:00 2001
From: Hirofumi Nakagawa <hnakagawa@miraclelinux.com>
Date: Thu, 21 Aug 2008 17:16:40 +0300
Subject: [PATCH 0266/2224] UBIFS: remove unneeded unlikely()

IS_ERR() macro already has unlikely(), so do not use constructions
like 'if (unlikely(IS_ERR())'.

Signed-off-by: Hirofumi Nakagawa <hnakagawa@miraclelinux.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/find.c  | 4 ++--
 fs/ubifs/gc.c    | 8 ++++----
 fs/ubifs/tnc.c   | 4 ++--
 fs/ubifs/xattr.c | 2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 47814cde240..717d79c97c5 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -901,11 +901,11 @@ static int get_idx_gc_leb(struct ubifs_info *c)
 	 * it is needed now for this commit.
 	 */
 	lp = ubifs_lpt_lookup_dirty(c, lnum);
-	if (unlikely(IS_ERR(lp)))
+	if (IS_ERR(lp))
 		return PTR_ERR(lp);
 	lp = ubifs_change_lp(c, lp, LPROPS_NC, LPROPS_NC,
 			     lp->flags | LPROPS_INDEX, -1);
-	if (unlikely(IS_ERR(lp)))
+	if (IS_ERR(lp))
 		return PTR_ERR(lp);
 	dbg_find("LEB %d, dirty %d and free %d flags %#x",
 		 lp->lnum, lp->dirty, lp->free, lp->flags);
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index 02aba36fe3d..a6b633a5629 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -653,7 +653,7 @@ int ubifs_gc_start_commit(struct ubifs_info *c)
 	 */
 	while (1) {
 		lp = ubifs_fast_find_freeable(c);
-		if (unlikely(IS_ERR(lp))) {
+		if (IS_ERR(lp)) {
 			err = PTR_ERR(lp);
 			goto out;
 		}
@@ -665,7 +665,7 @@ int ubifs_gc_start_commit(struct ubifs_info *c)
 		if (err)
 			goto out;
 		lp = ubifs_change_lp(c, lp, c->leb_size, 0, lp->flags, 0);
-		if (unlikely(IS_ERR(lp))) {
+		if (IS_ERR(lp)) {
 			err = PTR_ERR(lp);
 			goto out;
 		}
@@ -680,7 +680,7 @@ int ubifs_gc_start_commit(struct ubifs_info *c)
 	/* Record index freeable LEBs for unmapping after commit */
 	while (1) {
 		lp = ubifs_fast_find_frdi_idx(c);
-		if (unlikely(IS_ERR(lp))) {
+		if (IS_ERR(lp)) {
 			err = PTR_ERR(lp);
 			goto out;
 		}
@@ -696,7 +696,7 @@ int ubifs_gc_start_commit(struct ubifs_info *c)
 		/* Don't release the LEB until after the next commit */
 		flags = (lp->flags | LPROPS_TAKEN) ^ LPROPS_INDEX;
 		lp = ubifs_change_lp(c, lp, c->leb_size, 0, flags, 1);
-		if (unlikely(IS_ERR(lp))) {
+		if (IS_ERR(lp)) {
 			err = PTR_ERR(lp);
 			kfree(idx_gc);
 			goto out;
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 7634c597088..ba13c92fdf6 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -284,7 +284,7 @@ static struct ubifs_znode *dirty_cow_znode(struct ubifs_info *c,
 	}
 
 	zn = copy_znode(c, znode);
-	if (unlikely(IS_ERR(zn)))
+	if (IS_ERR(zn))
 		return zn;
 
 	if (zbr->len) {
@@ -1128,7 +1128,7 @@ static struct ubifs_znode *dirty_cow_bottom_up(struct ubifs_info *c,
 			ubifs_assert(znode == c->zroot.znode);
 			znode = dirty_cow_znode(c, &c->zroot);
 		}
-		if (unlikely(IS_ERR(znode)) || !p)
+		if (IS_ERR(znode) || !p)
 			break;
 		ubifs_assert(path[p - 1] >= 0);
 		ubifs_assert(path[p - 1] < znode->child_cnt);
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index 649bec78b64..cfd31e229c8 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -446,7 +446,7 @@ ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size)
 		int type;
 
 		xent = ubifs_tnc_next_ent(c, &key, &nm);
-		if (unlikely(IS_ERR(xent))) {
+		if (IS_ERR(xent)) {
 			err = PTR_ERR(xent);
 			break;
 		}
-- 
GitLab


From 746103aca2ae2b044e32a6ab06a6536652124c99 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Wed, 27 Aug 2008 12:50:57 +0300
Subject: [PATCH 0267/2224] UBIFS: inline one-line functions

'ubifs_get_lprops()' and 'ubifs_release_lprops()' basically wrap
mutex lock and unlock. We have them because we want lprops subsystem
be separate and as independent as possible. And we planned better
locking rules for lprops.

Anyway, because they are short, it is better to inline them.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/lprops.c | 28 ----------------------------
 fs/ubifs/misc.h   | 27 +++++++++++++++++++++++++++
 fs/ubifs/ubifs.h  |  2 --
 3 files changed, 27 insertions(+), 30 deletions(-)

diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index 3659b887743..f27176e9b70 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -460,18 +460,6 @@ static void change_category(struct ubifs_info *c, struct ubifs_lprops *lprops)
 	}
 }
 
-/**
- * ubifs_get_lprops - get reference to LEB properties.
- * @c: the UBIFS file-system description object
- *
- * This function locks lprops. Lprops have to be unlocked by
- * 'ubifs_release_lprops()'.
- */
-void ubifs_get_lprops(struct ubifs_info *c)
-{
-	mutex_lock(&c->lp_mutex);
-}
-
 /**
  * calc_dark - calculate LEB dark space size.
  * @c: the UBIFS file-system description object
@@ -642,22 +630,6 @@ const struct ubifs_lprops *ubifs_change_lp(struct ubifs_info *c,
 	return lprops;
 }
 
-/**
- * ubifs_release_lprops - release lprops lock.
- * @c: the UBIFS file-system description object
- *
- * This function has to be called after each 'ubifs_get_lprops()' call to
- * unlock lprops.
- */
-void ubifs_release_lprops(struct ubifs_info *c)
-{
-	ubifs_assert(mutex_is_locked(&c->lp_mutex));
-	ubifs_assert(c->lst.empty_lebs >= 0 &&
-		     c->lst.empty_lebs <= c->main_lebs);
-
-	mutex_unlock(&c->lp_mutex);
-}
-
 /**
  * ubifs_get_lp_stats - get lprops statistics.
  * @c: UBIFS file-system description object
diff --git a/fs/ubifs/misc.h b/fs/ubifs/misc.h
index 4c12a9215d7..4fa81d867e4 100644
--- a/fs/ubifs/misc.h
+++ b/fs/ubifs/misc.h
@@ -310,4 +310,31 @@ static inline int ubifs_tnc_lookup(struct ubifs_info *c,
 	return ubifs_tnc_locate(c, key, node, NULL, NULL);
 }
 
+/**
+ * ubifs_get_lprops - get reference to LEB properties.
+ * @c: the UBIFS file-system description object
+ *
+ * This function locks lprops. Lprops have to be unlocked by
+ * 'ubifs_release_lprops()'.
+ */
+static inline void ubifs_get_lprops(struct ubifs_info *c)
+{
+	mutex_lock(&c->lp_mutex);
+}
+
+/**
+ * ubifs_release_lprops - release lprops lock.
+ * @c: the UBIFS file-system description object
+ *
+ * This function has to be called after each 'ubifs_get_lprops()' call to
+ * unlock lprops.
+ */
+static inline void ubifs_release_lprops(struct ubifs_info *c)
+{
+	ubifs_assert(mutex_is_locked(&c->lp_mutex));
+	ubifs_assert(c->lst.empty_lebs >= 0 &&
+		     c->lst.empty_lebs <= c->main_lebs);
+	mutex_unlock(&c->lp_mutex);
+}
+
 #endif /* __UBIFS_MISC_H__ */
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 17c620b93ee..ce8654928aa 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1586,12 +1586,10 @@ int ubifs_lpt_post_commit(struct ubifs_info *c);
 void ubifs_lpt_free(struct ubifs_info *c, int wr_only);
 
 /* lprops.c */
-void ubifs_get_lprops(struct ubifs_info *c);
 const struct ubifs_lprops *ubifs_change_lp(struct ubifs_info *c,
 					   const struct ubifs_lprops *lp,
 					   int free, int dirty, int flags,
 					   int idx_gc_cnt);
-void ubifs_release_lprops(struct ubifs_info *c);
 void ubifs_get_lp_stats(struct ubifs_info *c, struct ubifs_lp_stats *stats);
 void ubifs_add_to_cat(struct ubifs_info *c, struct ubifs_lprops *lprops,
 		      int cat);
-- 
GitLab


From a70948b564e9f6cb81115c606d46f5b74a77b7c2 Mon Sep 17 00:00:00 2001
From: Julien Brunel <brunel@diku.dk>
Date: Fri, 29 Aug 2008 11:08:32 +0200
Subject: [PATCH 0268/2224] UBIFS: use an IS_ERR test rather than a NULL test

In case of error, the function kthread_create returns an ERR pointer,
but never returns a NULL pointer. So a NULL test that comes before an
IS_ERR test should be deleted.

The semantic match that finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@match_bad_null_test@
expression x, E;
statement S1,S2;
@@
x = kthread_create(...)
... when != x = E
* if (x == NULL)
S1 else S2
// </smpl>

Signed-off-by: Julien Brunel <brunel@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/super.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 667c72d8a5c..d87b0cf5f66 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1032,8 +1032,6 @@ static int mount_ubifs(struct ubifs_info *c)
 
 		/* Create background thread */
 		c->bgt = kthread_create(ubifs_bg_thread, c, c->bgt_name);
-		if (!c->bgt)
-			c->bgt = ERR_PTR(-EINVAL);
 		if (IS_ERR(c->bgt)) {
 			err = PTR_ERR(c->bgt);
 			c->bgt = NULL;
@@ -1347,8 +1345,6 @@ static int ubifs_remount_rw(struct ubifs_info *c)
 
 	/* Create background thread */
 	c->bgt = kthread_create(ubifs_bg_thread, c, c->bgt_name);
-	if (!c->bgt)
-		c->bgt = ERR_PTR(-EINVAL);
 	if (IS_ERR(c->bgt)) {
 		err = PTR_ERR(c->bgt);
 		c->bgt = NULL;
-- 
GitLab


From 4793e7c5e1c88382ead18db5ca072bac54467318 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Tue, 2 Sep 2008 16:29:46 +0300
Subject: [PATCH 0269/2224] UBIFS: add bulk-read facility

Some flash media are capable of reading sequentially at faster rates.
UBIFS bulk-read facility is designed to take advantage of that, by
reading in one go consecutive data nodes that are also located
consecutively in the same LEB.

Read speed on Arm platform with OneNAND goes from 17 MiB/s to
19 MiB/s.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 Documentation/filesystems/ubifs.txt |   3 +
 fs/ubifs/file.c                     | 248 ++++++++++++++++++++++++
 fs/ubifs/key.h                      |  22 ++-
 fs/ubifs/super.c                    |  31 +++
 fs/ubifs/tnc.c                      | 283 ++++++++++++++++++++++++++++
 fs/ubifs/ubifs.h                    |  45 ++++-
 6 files changed, 629 insertions(+), 3 deletions(-)

diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 6a0d70a22f0..340512c3250 100644
--- a/Documentation/filesystems/ubifs.txt
+++ b/Documentation/filesystems/ubifs.txt
@@ -86,6 +86,9 @@ norm_unmount (*)	commit on unmount; the journal is committed
 fast_unmount		do not commit on unmount; this option makes
 			unmount faster, but the next mount slower
 			because of the need to replay the journal.
+bulk_read		read more in one go to take advantage of flash
+			media that read faster sequentially
+no_bulk_read (*)	do not bulk-read
 
 
 Quick usage instructions
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 3d698e2022b..cdcfe95cbfb 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -577,8 +577,256 @@ out:
 	return copied;
 }
 
+/**
+ * populate_page - copy data nodes into a page for bulk-read.
+ * @c: UBIFS file-system description object
+ * @page: page
+ * @bu: bulk-read information
+ * @n: next zbranch slot
+ *
+ * This function returns %0 on success and a negative error code on failure.
+ */
+static int populate_page(struct ubifs_info *c, struct page *page,
+			 struct bu_info *bu, int *n)
+{
+	int i = 0, nn = *n, offs = bu->zbranch[0].offs, hole = 1, read = 0;
+	struct inode *inode = page->mapping->host;
+	loff_t i_size = i_size_read(inode);
+	unsigned int page_block;
+	void *addr, *zaddr;
+	pgoff_t end_index;
+
+	dbg_gen("ino %lu, pg %lu, i_size %lld, flags %#lx",
+		inode->i_ino, page->index, i_size, page->flags);
+
+	addr = zaddr = kmap(page);
+
+	end_index = (i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+	if (!i_size || page->index > end_index) {
+		memset(addr, 0, PAGE_CACHE_SIZE);
+		goto out_hole;
+	}
+
+	page_block = page->index << UBIFS_BLOCKS_PER_PAGE_SHIFT;
+	while (1) {
+		int err, len, out_len, dlen;
+
+		if (nn >= bu->cnt ||
+		    key_block(c, &bu->zbranch[nn].key) != page_block)
+			memset(addr, 0, UBIFS_BLOCK_SIZE);
+		else {
+			struct ubifs_data_node *dn;
+
+			dn = bu->buf + (bu->zbranch[nn].offs - offs);
+
+			ubifs_assert(dn->ch.sqnum >
+				     ubifs_inode(inode)->creat_sqnum);
+
+			len = le32_to_cpu(dn->size);
+			if (len <= 0 || len > UBIFS_BLOCK_SIZE)
+				goto out_err;
+
+			dlen = le32_to_cpu(dn->ch.len) - UBIFS_DATA_NODE_SZ;
+			out_len = UBIFS_BLOCK_SIZE;
+			err = ubifs_decompress(&dn->data, dlen, addr, &out_len,
+					       le16_to_cpu(dn->compr_type));
+			if (err || len != out_len)
+				goto out_err;
+
+			if (len < UBIFS_BLOCK_SIZE)
+				memset(addr + len, 0, UBIFS_BLOCK_SIZE - len);
+
+			nn += 1;
+			hole = 0;
+			read = (i << UBIFS_BLOCK_SHIFT) + len;
+		}
+		if (++i >= UBIFS_BLOCKS_PER_PAGE)
+			break;
+		addr += UBIFS_BLOCK_SIZE;
+		page_block += 1;
+	}
+
+	if (end_index == page->index) {
+		int len = i_size & (PAGE_CACHE_SIZE - 1);
+
+		if (len < read)
+			memset(zaddr + len, 0, read - len);
+	}
+
+out_hole:
+	if (hole) {
+		SetPageChecked(page);
+		dbg_gen("hole");
+	}
+
+	SetPageUptodate(page);
+	ClearPageError(page);
+	flush_dcache_page(page);
+	kunmap(page);
+	*n = nn;
+	return 0;
+
+out_err:
+	ClearPageUptodate(page);
+	SetPageError(page);
+	flush_dcache_page(page);
+	kunmap(page);
+	ubifs_err("bad data node (block %u, inode %lu)",
+		  page_block, inode->i_ino);
+	return -EINVAL;
+}
+
+/**
+ * ubifs_do_bulk_read - do bulk-read.
+ * @c: UBIFS file-system description object
+ * @page1: first page
+ *
+ * This function returns %1 if the bulk-read is done, otherwise %0 is returned.
+ */
+static int ubifs_do_bulk_read(struct ubifs_info *c, struct page *page1)
+{
+	pgoff_t offset = page1->index, end_index;
+	struct address_space *mapping = page1->mapping;
+	struct inode *inode = mapping->host;
+	struct ubifs_inode *ui = ubifs_inode(inode);
+	struct bu_info *bu;
+	int err, page_idx, page_cnt, ret = 0, n = 0;
+	loff_t isize;
+
+	bu = kmalloc(sizeof(struct bu_info), GFP_NOFS);
+	if (!bu)
+		return 0;
+
+	bu->buf_len = c->bulk_read_buf_size;
+	bu->buf = kmalloc(bu->buf_len, GFP_NOFS);
+	if (!bu->buf)
+		goto out_free;
+
+	data_key_init(c, &bu->key, inode->i_ino,
+		      offset << UBIFS_BLOCKS_PER_PAGE_SHIFT);
+
+	err = ubifs_tnc_get_bu_keys(c, bu);
+	if (err)
+		goto out_warn;
+
+	if (bu->eof) {
+		/* Turn off bulk-read at the end of the file */
+		ui->read_in_a_row = 1;
+		ui->bulk_read = 0;
+	}
+
+	page_cnt = bu->blk_cnt >> UBIFS_BLOCKS_PER_PAGE_SHIFT;
+	if (!page_cnt) {
+		/*
+		 * This happens when there are multiple blocks per page and the
+		 * blocks for the first page we are looking for, are not
+		 * together. If all the pages were like this, bulk-read would
+		 * reduce performance, so we turn it off for a while.
+		 */
+		ui->read_in_a_row = 0;
+		ui->bulk_read = 0;
+		goto out_free;
+	}
+
+	if (bu->cnt) {
+		err = ubifs_tnc_bulk_read(c, bu);
+		if (err)
+			goto out_warn;
+	}
+
+	err = populate_page(c, page1, bu, &n);
+	if (err)
+		goto out_warn;
+
+	unlock_page(page1);
+	ret = 1;
+
+	isize = i_size_read(inode);
+	if (isize == 0)
+		goto out_free;
+	end_index = ((isize - 1) >> PAGE_CACHE_SHIFT);
+
+	for (page_idx = 1; page_idx < page_cnt; page_idx++) {
+		pgoff_t page_offset = offset + page_idx;
+		struct page *page;
+
+		if (page_offset > end_index)
+			break;
+		page = find_or_create_page(mapping, page_offset,
+					   GFP_NOFS | __GFP_COLD);
+		if (!page)
+			break;
+		if (!PageUptodate(page))
+			err = populate_page(c, page, bu, &n);
+		unlock_page(page);
+		page_cache_release(page);
+		if (err)
+			break;
+	}
+
+	ui->last_page_read = offset + page_idx - 1;
+
+out_free:
+	kfree(bu->buf);
+	kfree(bu);
+	return ret;
+
+out_warn:
+	ubifs_warn("ignoring error %d and skipping bulk-read", err);
+	goto out_free;
+}
+
+/**
+ * ubifs_bulk_read - determine whether to bulk-read and, if so, do it.
+ * @page: page from which to start bulk-read.
+ *
+ * Some flash media are capable of reading sequentially at faster rates. UBIFS
+ * bulk-read facility is designed to take advantage of that, by reading in one
+ * go consecutive data nodes that are also located consecutively in the same
+ * LEB. This function returns %1 if a bulk-read is done and %0 otherwise.
+ */
+static int ubifs_bulk_read(struct page *page)
+{
+	struct inode *inode = page->mapping->host;
+	struct ubifs_info *c = inode->i_sb->s_fs_info;
+	struct ubifs_inode *ui = ubifs_inode(inode);
+	pgoff_t index = page->index, last_page_read = ui->last_page_read;
+	int ret = 0;
+
+	ui->last_page_read = index;
+
+	if (!c->bulk_read)
+		return 0;
+	/*
+	 * Bulk-read is protected by ui_mutex, but it is an optimization, so
+	 * don't bother if we cannot lock the mutex.
+	 */
+	if (!mutex_trylock(&ui->ui_mutex))
+		return 0;
+	if (index != last_page_read + 1) {
+		/* Turn off bulk-read if we stop reading sequentially */
+		ui->read_in_a_row = 1;
+		if (ui->bulk_read)
+			ui->bulk_read = 0;
+		goto out_unlock;
+	}
+	if (!ui->bulk_read) {
+		ui->read_in_a_row += 1;
+		if (ui->read_in_a_row < 3)
+			goto out_unlock;
+		/* Three reads in a row, so switch on bulk-read */
+		ui->bulk_read = 1;
+	}
+	ret = ubifs_do_bulk_read(c, page);
+out_unlock:
+	mutex_unlock(&ui->ui_mutex);
+	return ret;
+}
+
 static int ubifs_readpage(struct file *file, struct page *page)
 {
+	if (ubifs_bulk_read(page))
+		return 0;
 	do_readpage(page);
 	unlock_page(page);
 	return 0;
diff --git a/fs/ubifs/key.h b/fs/ubifs/key.h
index 8f747600754..9ee65086f62 100644
--- a/fs/ubifs/key.h
+++ b/fs/ubifs/key.h
@@ -484,7 +484,7 @@ static inline void key_copy(const struct ubifs_info *c,
  * @key2: the second key to compare
  *
  * This function compares 2 keys and returns %-1 if @key1 is less than
- * @key2, 0 if the keys are equivalent and %1 if @key1 is greater than @key2.
+ * @key2, %0 if the keys are equivalent and %1 if @key1 is greater than @key2.
  */
 static inline int keys_cmp(const struct ubifs_info *c,
 			   const union ubifs_key *key1,
@@ -502,6 +502,26 @@ static inline int keys_cmp(const struct ubifs_info *c,
 	return 0;
 }
 
+/**
+ * keys_eq - determine if keys are equivalent.
+ * @c: UBIFS file-system description object
+ * @key1: the first key to compare
+ * @key2: the second key to compare
+ *
+ * This function compares 2 keys and returns %1 if @key1 is equal to @key2 and
+ * %0 if not.
+ */
+static inline int keys_eq(const struct ubifs_info *c,
+			  const union ubifs_key *key1,
+			  const union ubifs_key *key2)
+{
+	if (key1->u32[0] != key2->u32[0])
+		return 0;
+	if (key1->u32[1] != key2->u32[1])
+		return 0;
+	return 1;
+}
+
 /**
  * is_hash_key - is a key vulnerable to hash collisions.
  * @c: UBIFS file-system description object
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index d87b0cf5f66..b1c57e8ee85 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -401,6 +401,11 @@ static int ubifs_show_options(struct seq_file *s, struct vfsmount *mnt)
 	else if (c->mount_opts.unmount_mode == 1)
 		seq_printf(s, ",norm_unmount");
 
+	if (c->mount_opts.bulk_read == 2)
+		seq_printf(s, ",bulk_read");
+	else if (c->mount_opts.bulk_read == 1)
+		seq_printf(s, ",no_bulk_read");
+
 	return 0;
 }
 
@@ -538,6 +543,18 @@ static int init_constants_early(struct ubifs_info *c)
 	 * calculations when reporting free space.
 	 */
 	c->leb_overhead = c->leb_size % UBIFS_MAX_DATA_NODE_SZ;
+	/* Buffer size for bulk-reads */
+	c->bulk_read_buf_size = UBIFS_MAX_BULK_READ * UBIFS_MAX_DATA_NODE_SZ;
+	if (c->bulk_read_buf_size > c->leb_size)
+		c->bulk_read_buf_size = c->leb_size;
+	if (c->bulk_read_buf_size > 128 * 1024) {
+		/* Check if we can kmalloc more than 128KiB */
+		void *try = kmalloc(c->bulk_read_buf_size, GFP_KERNEL);
+
+		kfree(try);
+		if (!try)
+			c->bulk_read_buf_size = 128 * 1024;
+	}
 	return 0;
 }
 
@@ -840,17 +857,23 @@ static int check_volume_empty(struct ubifs_info *c)
  *
  * Opt_fast_unmount: do not run a journal commit before un-mounting
  * Opt_norm_unmount: run a journal commit before un-mounting
+ * Opt_bulk_read: enable bulk-reads
+ * Opt_no_bulk_read: disable bulk-reads
  * Opt_err: just end of array marker
  */
 enum {
 	Opt_fast_unmount,
 	Opt_norm_unmount,
+	Opt_bulk_read,
+	Opt_no_bulk_read,
 	Opt_err,
 };
 
 static match_table_t tokens = {
 	{Opt_fast_unmount, "fast_unmount"},
 	{Opt_norm_unmount, "norm_unmount"},
+	{Opt_bulk_read, "bulk_read"},
+	{Opt_no_bulk_read, "no_bulk_read"},
 	{Opt_err, NULL},
 };
 
@@ -888,6 +911,14 @@ static int ubifs_parse_options(struct ubifs_info *c, char *options,
 			c->mount_opts.unmount_mode = 1;
 			c->fast_unmount = 0;
 			break;
+		case Opt_bulk_read:
+			c->mount_opts.bulk_read = 2;
+			c->bulk_read = 1;
+			break;
+		case Opt_no_bulk_read:
+			c->mount_opts.bulk_read = 1;
+			c->bulk_read = 0;
+			break;
 		default:
 			ubifs_err("unrecognized mount option \"%s\" "
 				  "or missing value", p);
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index ba13c92fdf6..d279012d8dd 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -1491,6 +1491,289 @@ out:
 	return err;
 }
 
+/**
+ * ubifs_tnc_get_bu_keys - lookup keys for bulk-read.
+ * @c: UBIFS file-system description object
+ * @bu: bulk-read parameters and results
+ *
+ * Lookup consecutive data node keys for the same inode that reside
+ * consecutively in the same LEB.
+ */
+int ubifs_tnc_get_bu_keys(struct ubifs_info *c, struct bu_info *bu)
+{
+	int n, err = 0, lnum = -1, uninitialized_var(offs);
+	int uninitialized_var(len);
+	unsigned int block = key_block(c, &bu->key);
+	struct ubifs_znode *znode;
+
+	bu->cnt = 0;
+	bu->blk_cnt = 0;
+	bu->eof = 0;
+
+	mutex_lock(&c->tnc_mutex);
+	/* Find first key */
+	err = ubifs_lookup_level0(c, &bu->key, &znode, &n);
+	if (err < 0)
+		goto out;
+	if (err) {
+		/* Key found */
+		len = znode->zbranch[n].len;
+		/* The buffer must be big enough for at least 1 node */
+		if (len > bu->buf_len) {
+			err = -EINVAL;
+			goto out;
+		}
+		/* Add this key */
+		bu->zbranch[bu->cnt++] = znode->zbranch[n];
+		bu->blk_cnt += 1;
+		lnum = znode->zbranch[n].lnum;
+		offs = ALIGN(znode->zbranch[n].offs + len, 8);
+	}
+	while (1) {
+		struct ubifs_zbranch *zbr;
+		union ubifs_key *key;
+		unsigned int next_block;
+
+		/* Find next key */
+		err = tnc_next(c, &znode, &n);
+		if (err)
+			goto out;
+		zbr = &znode->zbranch[n];
+		key = &zbr->key;
+		/* See if there is another data key for this file */
+		if (key_inum(c, key) != key_inum(c, &bu->key) ||
+		    key_type(c, key) != UBIFS_DATA_KEY) {
+			err = -ENOENT;
+			goto out;
+		}
+		if (lnum < 0) {
+			/* First key found */
+			lnum = zbr->lnum;
+			offs = ALIGN(zbr->offs + zbr->len, 8);
+			len = zbr->len;
+			if (len > bu->buf_len) {
+				err = -EINVAL;
+				goto out;
+			}
+		} else {
+			/*
+			 * The data nodes must be in consecutive positions in
+			 * the same LEB.
+			 */
+			if (zbr->lnum != lnum || zbr->offs != offs)
+				goto out;
+			offs += ALIGN(zbr->len, 8);
+			len = ALIGN(len, 8) + zbr->len;
+			/* Must not exceed buffer length */
+			if (len > bu->buf_len)
+				goto out;
+		}
+		/* Allow for holes */
+		next_block = key_block(c, key);
+		bu->blk_cnt += (next_block - block - 1);
+		if (bu->blk_cnt >= UBIFS_MAX_BULK_READ)
+			goto out;
+		block = next_block;
+		/* Add this key */
+		bu->zbranch[bu->cnt++] = *zbr;
+		bu->blk_cnt += 1;
+		/* See if we have room for more */
+		if (bu->cnt >= UBIFS_MAX_BULK_READ)
+			goto out;
+		if (bu->blk_cnt >= UBIFS_MAX_BULK_READ)
+			goto out;
+	}
+out:
+	if (err == -ENOENT) {
+		bu->eof = 1;
+		err = 0;
+	}
+	bu->gc_seq = c->gc_seq;
+	mutex_unlock(&c->tnc_mutex);
+	if (err)
+		return err;
+	/*
+	 * An enormous hole could cause bulk-read to encompass too many
+	 * page cache pages, so limit the number here.
+	 */
+	if (bu->blk_cnt >= UBIFS_MAX_BULK_READ)
+		bu->blk_cnt = UBIFS_MAX_BULK_READ;
+	/*
+	 * Ensure that bulk-read covers a whole number of page cache
+	 * pages.
+	 */
+	if (UBIFS_BLOCKS_PER_PAGE == 1 ||
+	    !(bu->blk_cnt & (UBIFS_BLOCKS_PER_PAGE - 1)))
+		return 0;
+	if (bu->eof) {
+		/* At the end of file we can round up */
+		bu->blk_cnt += UBIFS_BLOCKS_PER_PAGE - 1;
+		return 0;
+	}
+	/* Exclude data nodes that do not make up a whole page cache page */
+	block = key_block(c, &bu->key) + bu->blk_cnt;
+	block &= ~(UBIFS_BLOCKS_PER_PAGE - 1);
+	while (bu->cnt) {
+		if (key_block(c, &bu->zbranch[bu->cnt - 1].key) < block)
+			break;
+		bu->cnt -= 1;
+	}
+	return 0;
+}
+
+/**
+ * read_wbuf - bulk-read from a LEB with a wbuf.
+ * @wbuf: wbuf that may overlap the read
+ * @buf: buffer into which to read
+ * @len: read length
+ * @lnum: LEB number from which to read
+ * @offs: offset from which to read
+ *
+ * This functions returns %0 on success or a negative error code on failure.
+ */
+static int read_wbuf(struct ubifs_wbuf *wbuf, void *buf, int len, int lnum,
+		     int offs)
+{
+	const struct ubifs_info *c = wbuf->c;
+	int rlen, overlap;
+
+	dbg_io("LEB %d:%d, length %d", lnum, offs, len);
+	ubifs_assert(wbuf && lnum >= 0 && lnum < c->leb_cnt && offs >= 0);
+	ubifs_assert(!(offs & 7) && offs < c->leb_size);
+	ubifs_assert(offs + len <= c->leb_size);
+
+	spin_lock(&wbuf->lock);
+	overlap = (lnum == wbuf->lnum && offs + len > wbuf->offs);
+	if (!overlap) {
+		/* We may safely unlock the write-buffer and read the data */
+		spin_unlock(&wbuf->lock);
+		return ubi_read(c->ubi, lnum, buf, offs, len);
+	}
+
+	/* Don't read under wbuf */
+	rlen = wbuf->offs - offs;
+	if (rlen < 0)
+		rlen = 0;
+
+	/* Copy the rest from the write-buffer */
+	memcpy(buf + rlen, wbuf->buf + offs + rlen - wbuf->offs, len - rlen);
+	spin_unlock(&wbuf->lock);
+
+	if (rlen > 0)
+		/* Read everything that goes before write-buffer */
+		return ubi_read(c->ubi, lnum, buf, offs, rlen);
+
+	return 0;
+}
+
+/**
+ * validate_data_node - validate data nodes for bulk-read.
+ * @c: UBIFS file-system description object
+ * @buf: buffer containing data node to validate
+ * @zbr: zbranch of data node to validate
+ *
+ * This functions returns %0 on success or a negative error code on failure.
+ */
+static int validate_data_node(struct ubifs_info *c, void *buf,
+			      struct ubifs_zbranch *zbr)
+{
+	union ubifs_key key1;
+	struct ubifs_ch *ch = buf;
+	int err, len;
+
+	if (ch->node_type != UBIFS_DATA_NODE) {
+		ubifs_err("bad node type (%d but expected %d)",
+			  ch->node_type, UBIFS_DATA_NODE);
+		goto out_err;
+	}
+
+	err = ubifs_check_node(c, buf, zbr->lnum, zbr->offs, 0);
+	if (err) {
+		ubifs_err("expected node type %d", UBIFS_DATA_NODE);
+		goto out;
+	}
+
+	len = le32_to_cpu(ch->len);
+	if (len != zbr->len) {
+		ubifs_err("bad node length %d, expected %d", len, zbr->len);
+		goto out_err;
+	}
+
+	/* Make sure the key of the read node is correct */
+	key_read(c, buf + UBIFS_KEY_OFFSET, &key1);
+	if (!keys_eq(c, &zbr->key, &key1)) {
+		ubifs_err("bad key in node at LEB %d:%d",
+			  zbr->lnum, zbr->offs);
+		dbg_tnc("looked for key %s found node's key %s",
+			DBGKEY(&zbr->key), DBGKEY1(&key1));
+		goto out_err;
+	}
+
+	return 0;
+
+out_err:
+	err = -EINVAL;
+out:
+	ubifs_err("bad node at LEB %d:%d", zbr->lnum, zbr->offs);
+	dbg_dump_node(c, buf);
+	dbg_dump_stack();
+	return err;
+}
+
+/**
+ * ubifs_tnc_bulk_read - read a number of data nodes in one go.
+ * @c: UBIFS file-system description object
+ * @bu: bulk-read parameters and results
+ *
+ * This functions reads and validates the data nodes that were identified by the
+ * 'ubifs_tnc_get_bu_keys()' function. This functions returns %0 on success,
+ * -EAGAIN to indicate a race with GC, or another negative error code on
+ * failure.
+ */
+int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu)
+{
+	int lnum = bu->zbranch[0].lnum, offs = bu->zbranch[0].offs, len, err, i;
+	struct ubifs_wbuf *wbuf;
+	void *buf;
+
+	len = bu->zbranch[bu->cnt - 1].offs;
+	len += bu->zbranch[bu->cnt - 1].len - offs;
+	if (len > bu->buf_len) {
+		ubifs_err("buffer too small %d vs %d", bu->buf_len, len);
+		return -EINVAL;
+	}
+
+	/* Do the read */
+	wbuf = ubifs_get_wbuf(c, lnum);
+	if (wbuf)
+		err = read_wbuf(wbuf, bu->buf, len, lnum, offs);
+	else
+		err = ubi_read(c->ubi, lnum, bu->buf, offs, len);
+
+	/* Check for a race with GC */
+	if (maybe_leb_gced(c, lnum, bu->gc_seq))
+		return -EAGAIN;
+
+	if (err && err != -EBADMSG) {
+		ubifs_err("failed to read from LEB %d:%d, error %d",
+			  lnum, offs, err);
+		dbg_dump_stack();
+		dbg_tnc("key %s", DBGKEY(&bu->key));
+		return err;
+	}
+
+	/* Validate the nodes read */
+	buf = bu->buf;
+	for (i = 0; i < bu->cnt; i++) {
+		err = validate_data_node(c, buf, &bu->zbranch[i]);
+		if (err)
+			return err;
+		buf = buf + ALIGN(bu->zbranch[i].len, 8);
+	}
+
+	return 0;
+}
+
 /**
  * do_lookup_nm- look up a "hashed" node.
  * @c: UBIFS file-system description object
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index ce8654928aa..8513239ea8a 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -142,6 +142,9 @@
 /* Maximum expected tree height for use by bottom_up_buf */
 #define BOTTOM_UP_HEIGHT 64
 
+/* Maximum number of data nodes to bulk-read */
+#define UBIFS_MAX_BULK_READ 32
+
 /*
  * Lockdep classes for UBIFS inode @ui_mutex.
  */
@@ -329,8 +332,8 @@ struct ubifs_gced_idx_leb {
  * @dirty: non-zero if the inode is dirty
  * @xattr: non-zero if this is an extended attribute inode
  * @ui_mutex: serializes inode write-back with the rest of VFS operations,
- *            serializes "clean <-> dirty" state changes, protects @dirty,
- *            @ui_size, and @xattr_size
+ *            serializes "clean <-> dirty" state changes, serializes bulk-read,
+ *            protects @dirty, @ui_size, and @xattr_size
  * @ui_lock: protects @synced_i_size
  * @synced_i_size: synchronized size of inode, i.e. the value of inode size
  *                 currently stored on the flash; used only for regular file
@@ -338,6 +341,9 @@ struct ubifs_gced_idx_leb {
  * @ui_size: inode size used by UBIFS when writing to flash
  * @flags: inode flags (@UBIFS_COMPR_FL, etc)
  * @compr_type: default compression type used for this inode
+ * @last_page_read: page number of last page read (for bulk read)
+ * @read_in_a_row: number of consecutive pages read in a row (for bulk read)
+ * @bulk_read: indicates whether bulk-read should be used
  * @data_len: length of the data attached to the inode
  * @data: inode's data
  *
@@ -385,6 +391,9 @@ struct ubifs_inode {
 	loff_t ui_size;
 	int flags;
 	int compr_type;
+	pgoff_t last_page_read;
+	pgoff_t read_in_a_row;
+	int bulk_read;
 	int data_len;
 	void *data;
 };
@@ -743,6 +752,28 @@ struct ubifs_znode {
 	struct ubifs_zbranch zbranch[];
 };
 
+/**
+ * struct bu_info - bulk-read information
+ * @key: first data node key
+ * @zbranch: zbranches of data nodes to bulk read
+ * @buf: buffer to read into
+ * @buf_len: buffer length
+ * @gc_seq: GC sequence number to detect races with GC
+ * @cnt: number of data nodes for bulk read
+ * @blk_cnt: number of data blocks including holes
+ * @oef: end of file reached
+ */
+struct bu_info {
+	union ubifs_key key;
+	struct ubifs_zbranch zbranch[UBIFS_MAX_BULK_READ];
+	void *buf;
+	int buf_len;
+	int gc_seq;
+	int cnt;
+	int blk_cnt;
+	int eof;
+};
+
 /**
  * struct ubifs_node_range - node length range description data structure.
  * @len: fixed node length
@@ -862,9 +893,11 @@ struct ubifs_orphan {
 /**
  * struct ubifs_mount_opts - UBIFS-specific mount options information.
  * @unmount_mode: selected unmount mode (%0 default, %1 normal, %2 fast)
+ * @bulk_read: enable bulk-reads
  */
 struct ubifs_mount_opts {
 	unsigned int unmount_mode:2;
+	unsigned int bulk_read:2;
 };
 
 /**
@@ -965,6 +998,9 @@ struct ubifs_mount_opts {
  * @old_leb_cnt: count of logical eraseblocks before re-size
  * @ro_media: the underlying UBI volume is read-only
  *
+ * @bulk_read: enable bulk-reads
+ * @bulk_read_buf_size: buffer size for bulk-reads
+ *
  * @dirty_pg_cnt: number of dirty pages (not used)
  * @dirty_zn_cnt: number of dirty znodes
  * @clean_zn_cnt: number of clean znodes
@@ -1205,6 +1241,9 @@ struct ubifs_info {
 	int old_leb_cnt;
 	int ro_media;
 
+	int bulk_read;
+	int bulk_read_buf_size;
+
 	atomic_long_t dirty_pg_cnt;
 	atomic_long_t dirty_zn_cnt;
 	atomic_long_t clean_zn_cnt;
@@ -1490,6 +1529,8 @@ void destroy_old_idx(struct ubifs_info *c);
 int is_idx_node_in_tnc(struct ubifs_info *c, union ubifs_key *key, int level,
 		       int lnum, int offs);
 int insert_old_idx_znode(struct ubifs_info *c, struct ubifs_znode *znode);
+int ubifs_tnc_get_bu_keys(struct ubifs_info *c, struct bu_info *bu);
+int ubifs_tnc_bulk_read(struct ubifs_info *c, struct bu_info *bu);
 
 /* tnc_misc.c */
 struct ubifs_znode *ubifs_tnc_levelorder_next(struct ubifs_znode *zr,
-- 
GitLab


From 2953e73f1ce4b3284b409aefb9d46bbde6515c37 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Thu, 4 Sep 2008 16:26:00 +0300
Subject: [PATCH 0270/2224] UBIFS: add no_chk_data_crc mount option

UBIFS read performance can be improved by skipping the CRC
check when data nodes are read.  This option can be used if
the underlying media is considered to be highly reliable.
Note that CRCs are always checked for metadata.

Read speed on Arm platform with OneNAND goes from 19 MiB/s
to 27 MiB/s with data CRC checking disabled.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 Documentation/filesystems/ubifs.txt |  6 +++++
 fs/ubifs/io.c                       | 11 +++++++---
 fs/ubifs/scan.c                     |  2 +-
 fs/ubifs/super.c                    | 34 ++++++++++++++++++++++++++---
 fs/ubifs/tnc.c                      |  6 ++++-
 fs/ubifs/ubifs.h                    | 11 +++++++++-
 6 files changed, 61 insertions(+), 9 deletions(-)

diff --git a/Documentation/filesystems/ubifs.txt b/Documentation/filesystems/ubifs.txt
index 340512c3250..dd84ea3c10d 100644
--- a/Documentation/filesystems/ubifs.txt
+++ b/Documentation/filesystems/ubifs.txt
@@ -89,6 +89,12 @@ fast_unmount		do not commit on unmount; this option makes
 bulk_read		read more in one go to take advantage of flash
 			media that read faster sequentially
 no_bulk_read (*)	do not bulk-read
+no_chk_data_crc		skip checking of CRCs on data nodes in order to
+			improve read performance. Use this option only
+			if the flash media is highly reliable. The effect
+			of this option is that corruption of the contents
+			of a file can go unnoticed.
+chk_data_crc (*)	do not skip checking CRCs on data nodes
 
 
 Quick usage instructions
diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 054363f2b20..40e2790b62c 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -74,6 +74,7 @@ void ubifs_ro_mode(struct ubifs_info *c, int err)
  * @lnum: logical eraseblock number
  * @offs: offset within the logical eraseblock
  * @quiet: print no messages
+ * @chk_crc: indicates whether to always check the CRC
  *
  * This function checks node magic number and CRC checksum. This function also
  * validates node length to prevent UBIFS from becoming crazy when an attacker
@@ -85,7 +86,7 @@ void ubifs_ro_mode(struct ubifs_info *c, int err)
  * or magic.
  */
 int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
-		     int offs, int quiet)
+		     int offs, int quiet, int chk_crc)
 {
 	int err = -EINVAL, type, node_len;
 	uint32_t crc, node_crc, magic;
@@ -121,6 +122,10 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
 		   node_len > c->ranges[type].max_len)
 		goto out_len;
 
+	if (!chk_crc && type == UBIFS_DATA_NODE && !c->always_chk_crc)
+		if (c->no_chk_data_crc)
+			return 0;
+
 	crc = crc32(UBIFS_CRC32_INIT, buf + 8, node_len - 8);
 	node_crc = le32_to_cpu(ch->crc);
 	if (crc != node_crc) {
@@ -722,7 +727,7 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len,
 		goto out;
 	}
 
-	err = ubifs_check_node(c, buf, lnum, offs, 0);
+	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);
 	if (err) {
 		ubifs_err("expected node type %d", type);
 		return err;
@@ -781,7 +786,7 @@ int ubifs_read_node(const struct ubifs_info *c, void *buf, int type, int len,
 		goto out;
 	}
 
-	err = ubifs_check_node(c, buf, lnum, offs, 0);
+	err = ubifs_check_node(c, buf, lnum, offs, 0, 0);
 	if (err) {
 		ubifs_err("expected node type %d", type);
 		return err;
diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c
index acf5c5fffc6..0ed82479b44 100644
--- a/fs/ubifs/scan.c
+++ b/fs/ubifs/scan.c
@@ -87,7 +87,7 @@ int ubifs_scan_a_node(const struct ubifs_info *c, void *buf, int len, int lnum,
 
 	dbg_scan("scanning %s", dbg_ntype(ch->node_type));
 
-	if (ubifs_check_node(c, buf, lnum, offs, quiet))
+	if (ubifs_check_node(c, buf, lnum, offs, quiet, 1))
 		return SCANNED_A_CORRUPT_NODE;
 
 	if (ch->node_type == UBIFS_PAD_NODE) {
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index b1c57e8ee85..cf078b5cc88 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -406,6 +406,11 @@ static int ubifs_show_options(struct seq_file *s, struct vfsmount *mnt)
 	else if (c->mount_opts.bulk_read == 1)
 		seq_printf(s, ",no_bulk_read");
 
+	if (c->mount_opts.chk_data_crc == 2)
+		seq_printf(s, ",chk_data_crc");
+	else if (c->mount_opts.chk_data_crc == 1)
+		seq_printf(s, ",no_chk_data_crc");
+
 	return 0;
 }
 
@@ -859,6 +864,8 @@ static int check_volume_empty(struct ubifs_info *c)
  * Opt_norm_unmount: run a journal commit before un-mounting
  * Opt_bulk_read: enable bulk-reads
  * Opt_no_bulk_read: disable bulk-reads
+ * Opt_chk_data_crc: check CRCs when reading data nodes
+ * Opt_no_chk_data_crc: do not check CRCs when reading data nodes
  * Opt_err: just end of array marker
  */
 enum {
@@ -866,6 +873,8 @@ enum {
 	Opt_norm_unmount,
 	Opt_bulk_read,
 	Opt_no_bulk_read,
+	Opt_chk_data_crc,
+	Opt_no_chk_data_crc,
 	Opt_err,
 };
 
@@ -874,6 +883,8 @@ static match_table_t tokens = {
 	{Opt_norm_unmount, "norm_unmount"},
 	{Opt_bulk_read, "bulk_read"},
 	{Opt_no_bulk_read, "no_bulk_read"},
+	{Opt_chk_data_crc, "chk_data_crc"},
+	{Opt_no_chk_data_crc, "no_chk_data_crc"},
 	{Opt_err, NULL},
 };
 
@@ -919,6 +930,14 @@ static int ubifs_parse_options(struct ubifs_info *c, char *options,
 			c->mount_opts.bulk_read = 1;
 			c->bulk_read = 0;
 			break;
+		case Opt_chk_data_crc:
+			c->mount_opts.chk_data_crc = 2;
+			c->no_chk_data_crc = 0;
+			break;
+		case Opt_no_chk_data_crc:
+			c->mount_opts.chk_data_crc = 1;
+			c->no_chk_data_crc = 1;
+			break;
 		default:
 			ubifs_err("unrecognized mount option \"%s\" "
 				  "or missing value", p);
@@ -1027,6 +1046,8 @@ static int mount_ubifs(struct ubifs_info *c)
 			goto out_free;
 	}
 
+	c->always_chk_crc = 1;
+
 	err = ubifs_read_superblock(c);
 	if (err)
 		goto out_free;
@@ -1168,6 +1189,8 @@ static int mount_ubifs(struct ubifs_info *c)
 	if (err)
 		goto out_infos;
 
+	c->always_chk_crc = 0;
+
 	ubifs_msg("mounted UBI device %d, volume %d, name \"%s\"",
 		  c->vi.ubi_num, c->vi.vol_id, c->vi.name);
 	if (mounted_read_only)
@@ -1313,6 +1336,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
 
 	mutex_lock(&c->umount_mutex);
 	c->remounting_rw = 1;
+	c->always_chk_crc = 1;
 
 	/* Check for enough free space */
 	if (ubifs_calc_available(c, c->min_idx_lebs) <= 0) {
@@ -1381,13 +1405,15 @@ static int ubifs_remount_rw(struct ubifs_info *c)
 		c->bgt = NULL;
 		ubifs_err("cannot spawn \"%s\", error %d",
 			  c->bgt_name, err);
-		return err;
+		goto out;
 	}
 	wake_up_process(c->bgt);
 
 	c->orph_buf = vmalloc(c->leb_size);
-	if (!c->orph_buf)
-		return -ENOMEM;
+	if (!c->orph_buf) {
+		err = -ENOMEM;
+		goto out;
+	}
 
 	/* Check for enough log space */
 	lnum = c->lhead_lnum + 1;
@@ -1414,6 +1440,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
 	dbg_gen("re-mounted read-write");
 	c->vfs_sb->s_flags &= ~MS_RDONLY;
 	c->remounting_rw = 0;
+	c->always_chk_crc = 0;
 	mutex_unlock(&c->umount_mutex);
 	return 0;
 
@@ -1429,6 +1456,7 @@ out:
 	c->ileb_buf = NULL;
 	ubifs_lpt_free(c, 1);
 	c->remounting_rw = 0;
+	c->always_chk_crc = 0;
 	mutex_unlock(&c->umount_mutex);
 	return err;
 }
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index d279012d8dd..66dc57100bd 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -470,6 +470,10 @@ static int try_read_node(const struct ubifs_info *c, void *buf, int type,
 	if (node_len != len)
 		return 0;
 
+	if (type == UBIFS_DATA_NODE && !c->always_chk_crc)
+		if (c->no_chk_data_crc)
+			return 0;
+
 	crc = crc32(UBIFS_CRC32_INIT, buf + 8, node_len - 8);
 	node_crc = le32_to_cpu(ch->crc);
 	if (crc != node_crc)
@@ -1687,7 +1691,7 @@ static int validate_data_node(struct ubifs_info *c, void *buf,
 		goto out_err;
 	}
 
-	err = ubifs_check_node(c, buf, zbr->lnum, zbr->offs, 0);
+	err = ubifs_check_node(c, buf, zbr->lnum, zbr->offs, 0, 0);
 	if (err) {
 		ubifs_err("expected node type %d", UBIFS_DATA_NODE);
 		goto out;
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 8513239ea8a..d6ae3f7b2b0 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -894,10 +894,12 @@ struct ubifs_orphan {
  * struct ubifs_mount_opts - UBIFS-specific mount options information.
  * @unmount_mode: selected unmount mode (%0 default, %1 normal, %2 fast)
  * @bulk_read: enable bulk-reads
+ * @chk_data_crc: check CRCs when reading data nodes
  */
 struct ubifs_mount_opts {
 	unsigned int unmount_mode:2;
 	unsigned int bulk_read:2;
+	unsigned int chk_data_crc:2;
 };
 
 /**
@@ -1001,6 +1003,9 @@ struct ubifs_mount_opts {
  * @bulk_read: enable bulk-reads
  * @bulk_read_buf_size: buffer size for bulk-reads
  *
+ * @no_chk_data_crc: do not check CRCs when reading data nodes (except during
+ *                   recovery)
+ *
  * @dirty_pg_cnt: number of dirty pages (not used)
  * @dirty_zn_cnt: number of dirty znodes
  * @clean_zn_cnt: number of clean znodes
@@ -1138,6 +1143,7 @@ struct ubifs_mount_opts {
  * @rcvrd_mst_node: recovered master node to write when mounting ro to rw
  * @size_tree: inode size information for recovery
  * @remounting_rw: set while remounting from ro to rw (sb flags have MS_RDONLY)
+ * @always_chk_crc: always check CRCs (while mounting and remounting rw)
  * @mount_opts: UBIFS-specific mount options
  *
  * @dbg_buf: a buffer of LEB size used for debugging purposes
@@ -1244,6 +1250,8 @@ struct ubifs_info {
 	int bulk_read;
 	int bulk_read_buf_size;
 
+	int no_chk_data_crc;
+
 	atomic_long_t dirty_pg_cnt;
 	atomic_long_t dirty_zn_cnt;
 	atomic_long_t clean_zn_cnt;
@@ -1374,6 +1382,7 @@ struct ubifs_info {
 	struct ubifs_mst_node *rcvrd_mst_node;
 	struct rb_root size_tree;
 	int remounting_rw;
+	int always_chk_crc;
 	struct ubifs_mount_opts mount_opts;
 
 #ifdef CONFIG_UBIFS_FS_DEBUG
@@ -1416,7 +1425,7 @@ int ubifs_read_node_wbuf(struct ubifs_wbuf *wbuf, void *buf, int type, int len,
 int ubifs_write_node(struct ubifs_info *c, void *node, int len, int lnum,
 		     int offs, int dtype);
 int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
-		     int offs, int quiet);
+		     int offs, int quiet, int chk_crc);
 void ubifs_prepare_node(struct ubifs_info *c, void *buf, int len, int pad);
 void ubifs_prep_grp_node(struct ubifs_info *c, void *node, int len, int last);
 int ubifs_io_init(struct ubifs_info *c);
-- 
GitLab


From 2242c689ecc390fb4719f595751351d1ecc5c409 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 5 Sep 2008 11:56:05 +0300
Subject: [PATCH 0271/2224] UBIFS: improve znode splitting rules

When inserting into a full znode it is split into two
znodes.  Because data node keys are usually consecutive,
it is better to try to keep them together.  This patch
does a better job of that.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/tnc.c | 54 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 33 insertions(+), 21 deletions(-)

diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 66dc57100bd..e0878a431b9 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -1962,7 +1962,7 @@ static int tnc_insert(struct ubifs_info *c, struct ubifs_znode *znode,
 {
 	struct ubifs_znode *zn, *zi, *zp;
 	int i, keep, move, appending = 0;
-	union ubifs_key *key = &zbr->key;
+	union ubifs_key *key = &zbr->key, *key1;
 
 	ubifs_assert(n >= 0 && n <= c->fanout);
 
@@ -2003,20 +2003,33 @@ again:
 	zn->level = znode->level;
 
 	/* Decide where to split */
-	if (znode->level == 0 && n == c->fanout &&
-	    key_type(c, key) == UBIFS_DATA_KEY) {
-		union ubifs_key *key1;
-
-		/*
-		 * If this is an inode which is being appended - do not split
-		 * it because no other zbranches can be inserted between
-		 * zbranches of consecutive data nodes anyway.
-		 */
-		key1 = &znode->zbranch[n - 1].key;
-		if (key_inum(c, key1) == key_inum(c, key) &&
-		    key_type(c, key1) == UBIFS_DATA_KEY &&
-		    key_block(c, key1) == key_block(c, key) - 1)
-			appending = 1;
+	if (znode->level == 0 && key_type(c, key) == UBIFS_DATA_KEY) {
+		/* Try not to split consecutive data keys */
+		if (n == c->fanout) {
+			key1 = &znode->zbranch[n - 1].key;
+			if (key_inum(c, key1) == key_inum(c, key) &&
+			    key_type(c, key1) == UBIFS_DATA_KEY)
+				appending = 1;
+		} else
+			goto check_split;
+	} else if (appending && n != c->fanout) {
+		/* Try not to split consecutive data keys */
+		appending = 0;
+check_split:
+		if (n >= (c->fanout + 1) / 2) {
+			key1 = &znode->zbranch[0].key;
+			if (key_inum(c, key1) == key_inum(c, key) &&
+			    key_type(c, key1) == UBIFS_DATA_KEY) {
+				key1 = &znode->zbranch[n].key;
+				if (key_inum(c, key1) != key_inum(c, key) ||
+				    key_type(c, key1) != UBIFS_DATA_KEY) {
+					keep = n;
+					move = c->fanout - keep;
+					zi = znode;
+					goto do_split;
+				}
+			}
+		}
 	}
 
 	if (appending) {
@@ -2046,6 +2059,8 @@ again:
 			zbr->znode->parent = zn;
 	}
 
+do_split:
+
 	__set_bit(DIRTY_ZNODE, &zn->flags);
 	atomic_long_inc(&c->dirty_zn_cnt);
 
@@ -2072,14 +2087,11 @@ again:
 
 	/* Insert new znode (produced by spitting) into the parent */
 	if (zp) {
-		i = n;
+		if (n == 0 && zi == znode && znode->iip == 0)
+			correct_parent_keys(c, znode);
+
 		/* Locate insertion point */
 		n = znode->iip + 1;
-		if (appending && n != c->fanout)
-			appending = 0;
-
-		if (i == 0 && zi == znode && znode->iip == 0)
-			correct_parent_keys(c, znode);
 
 		/* Tail recursion */
 		zbr->key = zn->zbranch[0].key;
-- 
GitLab


From ccb3eba72453a3b5aa37dda02e3a690449e3d229 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Mon, 8 Sep 2008 16:07:01 +0300
Subject: [PATCH 0272/2224] UBIFS: check data CRC when in error state

When UBIFS switches to R/O mode because of an error,
it is reasonable to enable data CRC checking.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/io.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 40e2790b62c..01682713af6 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -62,6 +62,7 @@ void ubifs_ro_mode(struct ubifs_info *c, int err)
 {
 	if (!c->ro_media) {
 		c->ro_media = 1;
+		c->no_chk_data_crc = 0;
 		ubifs_warn("switched to read-only mode, error %d", err);
 		dbg_dump_stack();
 	}
-- 
GitLab


From 625bf371c1522764fc1cf2981b041c5f9a19e894 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Mon, 8 Sep 2008 16:13:38 +0300
Subject: [PATCH 0273/2224] UBIFS: use bit-fields when possible

The "bulk_read" and "no_chk_data_crc" have only 2 values -
0 and 1. We already have bit-fields in corresponding data
structers, so make "bulk_read" and "no_chk_data_crc"
bit-fields as well.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/ubifs.h | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index d6ae3f7b2b0..542cbafe76e 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -331,6 +331,7 @@ struct ubifs_gced_idx_leb {
  *               this inode
  * @dirty: non-zero if the inode is dirty
  * @xattr: non-zero if this is an extended attribute inode
+ * @bulk_read: non-zero if bulk-read should be used
  * @ui_mutex: serializes inode write-back with the rest of VFS operations,
  *            serializes "clean <-> dirty" state changes, serializes bulk-read,
  *            protects @dirty, @ui_size, and @xattr_size
@@ -343,7 +344,6 @@ struct ubifs_gced_idx_leb {
  * @compr_type: default compression type used for this inode
  * @last_page_read: page number of last page read (for bulk read)
  * @read_in_a_row: number of consecutive pages read in a row (for bulk read)
- * @bulk_read: indicates whether bulk-read should be used
  * @data_len: length of the data attached to the inode
  * @data: inode's data
  *
@@ -385,6 +385,7 @@ struct ubifs_inode {
 	unsigned int xattr_names;
 	unsigned int dirty:1;
 	unsigned int xattr:1;
+	unsigned int bulk_read:1;
 	struct mutex ui_mutex;
 	spinlock_t ui_lock;
 	loff_t synced_i_size;
@@ -393,7 +394,6 @@ struct ubifs_inode {
 	int compr_type;
 	pgoff_t last_page_read;
 	pgoff_t read_in_a_row;
-	int bulk_read;
 	int data_len;
 	void *data;
 };
@@ -940,6 +940,7 @@ struct ubifs_mount_opts {
  * @cmt_state: commit state
  * @cs_lock: commit state lock
  * @cmt_wq: wait queue to sleep on if the log is full and a commit is running
+ *
  * @fast_unmount: do not run journal commit before un-mounting
  * @big_lpt: flag that LPT is too big to write whole during commit
  * @check_lpt_free: flag that indicates LPT GC may be needed
@@ -947,6 +948,9 @@ struct ubifs_mount_opts {
  *           optimization)
  * @nospace_rp: the same as @nospace, but additionally means that even reserved
  *              pool is full
+ * @no_chk_data_crc: do not check CRCs when reading data nodes (except during
+ *                   recovery)
+ * @bulk_read: enable bulk-reads
  *
  * @tnc_mutex: protects the Tree Node Cache (TNC), @zroot, @cnext, @enext, and
  *             @calc_idx_sz
@@ -970,6 +974,7 @@ struct ubifs_mount_opts {
  * @mst_node: master node
  * @mst_offs: offset of valid master node
  * @mst_mutex: protects the master node area, @mst_node, and @mst_offs
+ * @bulk_read_buf_size: buffer size for bulk-reads
  *
  * @log_lebs: number of logical eraseblocks in the log
  * @log_bytes: log size in bytes
@@ -1000,12 +1005,6 @@ struct ubifs_mount_opts {
  * @old_leb_cnt: count of logical eraseblocks before re-size
  * @ro_media: the underlying UBI volume is read-only
  *
- * @bulk_read: enable bulk-reads
- * @bulk_read_buf_size: buffer size for bulk-reads
- *
- * @no_chk_data_crc: do not check CRCs when reading data nodes (except during
- *                   recovery)
- *
  * @dirty_pg_cnt: number of dirty pages (not used)
  * @dirty_zn_cnt: number of dirty znodes
  * @clean_zn_cnt: number of clean znodes
@@ -1188,11 +1187,14 @@ struct ubifs_info {
 	int cmt_state;
 	spinlock_t cs_lock;
 	wait_queue_head_t cmt_wq;
+
 	unsigned int fast_unmount:1;
 	unsigned int big_lpt:1;
 	unsigned int check_lpt_free:1;
 	unsigned int nospace:1;
 	unsigned int nospace_rp:1;
+	unsigned int no_chk_data_crc:1;
+	unsigned int bulk_read:1;
 
 	struct mutex tnc_mutex;
 	struct ubifs_zbranch zroot;
@@ -1217,6 +1219,7 @@ struct ubifs_info {
 	struct ubifs_mst_node *mst_node;
 	int mst_offs;
 	struct mutex mst_mutex;
+	int bulk_read_buf_size;
 
 	int log_lebs;
 	long long log_bytes;
@@ -1247,11 +1250,6 @@ struct ubifs_info {
 	int old_leb_cnt;
 	int ro_media;
 
-	int bulk_read;
-	int bulk_read_buf_size;
-
-	int no_chk_data_crc;
-
 	atomic_long_t dirty_pg_cnt;
 	atomic_long_t dirty_zn_cnt;
 	atomic_long_t clean_zn_cnt;
-- 
GitLab


From 2094c334fdebbcceddf21f97cb16b144707af56e Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 5 Sep 2008 15:20:04 +0300
Subject: [PATCH 0274/2224] UBIFS: correct key comparison

The comparison was working, but more by accident than design.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/tnc_misc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ubifs/tnc_misc.c b/fs/ubifs/tnc_misc.c
index a25c1cc1f8d..b48db999903 100644
--- a/fs/ubifs/tnc_misc.c
+++ b/fs/ubifs/tnc_misc.c
@@ -480,8 +480,8 @@ int ubifs_tnc_read_node(struct ubifs_info *c, struct ubifs_zbranch *zbr,
 	}
 
 	/* Make sure the key of the read node is correct */
-	key_read(c, key, &key1);
-	if (memcmp(node + UBIFS_KEY_OFFSET, &key1, c->key_len)) {
+	key_read(c, node + UBIFS_KEY_OFFSET, &key1);
+	if (!keys_eq(c, key, &key1)) {
 		ubifs_err("bad key in node at LEB %d:%d",
 			  zbr->lnum, zbr->offs);
 		dbg_tnc("looked for key %s found node's key %s",
-- 
GitLab


From ed382d5898ccfc3d7ba775be2f1596f6a1547935 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 5 Sep 2008 16:17:42 +0300
Subject: [PATCH 0275/2224] UBIFS: ensure data read beyond i_size is zeroed out
 correctly

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/file.c        | 10 ++++++++--
 fs/ubifs/ubifs-media.h |  1 -
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index cdcfe95cbfb..2f20a49ba34 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -147,6 +147,12 @@ static int do_readpage(struct page *page)
 				err = ret;
 				if (err != -ENOENT)
 					break;
+			} else if (block + 1 == beyond) {
+				int dlen = le32_to_cpu(dn->size);
+				int ilen = i_size & (UBIFS_BLOCK_SIZE - 1);
+
+				if (ilen && ilen < dlen)
+					memset(addr + ilen, 0, dlen - ilen);
 			}
 		}
 		if (++i >= UBIFS_BLOCKS_PER_PAGE)
@@ -601,7 +607,7 @@ static int populate_page(struct ubifs_info *c, struct page *page,
 
 	addr = zaddr = kmap(page);
 
-	end_index = (i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+	end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
 	if (!i_size || page->index > end_index) {
 		memset(addr, 0, PAGE_CACHE_SIZE);
 		goto out_hole;
@@ -649,7 +655,7 @@ static int populate_page(struct ubifs_info *c, struct page *page,
 	if (end_index == page->index) {
 		int len = i_size & (PAGE_CACHE_SIZE - 1);
 
-		if (len < read)
+		if (len && len < read)
 			memset(zaddr + len, 0, read - len);
 	}
 
diff --git a/fs/ubifs/ubifs-media.h b/fs/ubifs/ubifs-media.h
index a9ecbd9af20..0b378042a3a 100644
--- a/fs/ubifs/ubifs-media.h
+++ b/fs/ubifs/ubifs-media.h
@@ -75,7 +75,6 @@
  */
 #define UBIFS_BLOCK_SIZE  4096
 #define UBIFS_BLOCK_SHIFT 12
-#define UBIFS_BLOCK_MASK  0x00000FFF
 
 /* UBIFS padding byte pattern (must not be first or last byte of node magic) */
 #define UBIFS_PADDING_BYTE 0xCE
-- 
GitLab


From ba60ecabf067c8ecbde47af4d99b74ee57234d8e Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Mon, 8 Sep 2008 16:38:01 +0300
Subject: [PATCH 0276/2224] UBIFS: fix races in bit-fields

We cannot store bit-fields together if the processes which
change them may race, unless we serialize them.

Thus, move the nospc and nospc_rp bit-fields eway from
the mount option/constant bit-fields, to avoid races.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/ubifs.h | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 542cbafe76e..c3ac5a8221f 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -334,7 +334,7 @@ struct ubifs_gced_idx_leb {
  * @bulk_read: non-zero if bulk-read should be used
  * @ui_mutex: serializes inode write-back with the rest of VFS operations,
  *            serializes "clean <-> dirty" state changes, serializes bulk-read,
- *            protects @dirty, @ui_size, and @xattr_size
+ *            protects @dirty, @bulk_read, @ui_size, and @xattr_size
  * @ui_lock: protects @synced_i_size
  * @synced_i_size: synchronized size of inode, i.e. the value of inode size
  *                 currently stored on the flash; used only for regular file
@@ -944,10 +944,6 @@ struct ubifs_mount_opts {
  * @fast_unmount: do not run journal commit before un-mounting
  * @big_lpt: flag that LPT is too big to write whole during commit
  * @check_lpt_free: flag that indicates LPT GC may be needed
- * @nospace: non-zero if the file-system does not have flash space (used as
- *           optimization)
- * @nospace_rp: the same as @nospace, but additionally means that even reserved
- *              pool is full
  * @no_chk_data_crc: do not check CRCs when reading data nodes (except during
  *                   recovery)
  * @bulk_read: enable bulk-reads
@@ -1017,12 +1013,17 @@ struct ubifs_mount_opts {
  *                        but which still have to be taken into account because
  *                        the index has not been committed so far
  * @space_lock: protects @budg_idx_growth, @budg_data_growth, @budg_dd_growth,
- *              @budg_uncommited_idx, @min_idx_lebs, @old_idx_sz, and @lst;
+ *              @budg_uncommited_idx, @min_idx_lebs, @old_idx_sz, @lst,
+ *              @nospace, and @nospace_rp;
  * @min_idx_lebs: minimum number of LEBs required for the index
  * @old_idx_sz: size of index on flash
  * @calc_idx_sz: temporary variable which is used to calculate new index size
  *               (contains accurate new index size at end of TNC commit start)
  * @lst: lprops statistics
+ * @nospace: non-zero if the file-system does not have flash space (used as
+ *           optimization)
+ * @nospace_rp: the same as @nospace, but additionally means that even reserved
+ *              pool is full
  *
  * @page_budget: budget for a page
  * @inode_budget: budget for an inode
@@ -1191,8 +1192,6 @@ struct ubifs_info {
 	unsigned int fast_unmount:1;
 	unsigned int big_lpt:1;
 	unsigned int check_lpt_free:1;
-	unsigned int nospace:1;
-	unsigned int nospace_rp:1;
 	unsigned int no_chk_data_crc:1;
 	unsigned int bulk_read:1;
 
@@ -1263,6 +1262,8 @@ struct ubifs_info {
 	unsigned long long old_idx_sz;
 	unsigned long long calc_idx_sz;
 	struct ubifs_lp_stats lst;
+	unsigned int nospace:1;
+	unsigned int nospace_rp:1;
 
 	int page_budget;
 	int inode_budget;
-- 
GitLab


From be61678b1d97c9b47bb839beb3c3f48da36af072 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Mon, 8 Sep 2008 18:08:39 +0300
Subject: [PATCH 0277/2224] UBIFS: fix commentary

Znode may refer both data nodes and indexing nodes

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/ubifs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index c3ac5a8221f..49b06c9f675 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -707,8 +707,8 @@ struct ubifs_jhead {
  * struct ubifs_zbranch - key/coordinate/length branch stored in znodes.
  * @key: key
  * @znode: znode address in memory
- * @lnum: LEB number of the indexing node
- * @offs: offset of the indexing node within @lnum
+ * @lnum: LEB number of the target node (indexing node or data node)
+ * @offs: target node offset within @lnum
  * @len: target node length
  */
 struct ubifs_zbranch {
-- 
GitLab


From b5e426e9a4a8d4ccc65a6849420d47f87c080d5d Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Tue, 9 Sep 2008 11:20:35 +0300
Subject: [PATCH 0278/2224] UBIFS: update dbg_dump_inode

'dbg_dump_inode()' is quite outdated and does not print all
the fileds.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/debug.c | 42 +++++++++++++++++++++++++-----------------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index d7f7645779f..32071ec87cd 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -222,30 +222,38 @@ void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode)
 {
 	const struct ubifs_inode *ui = ubifs_inode(inode);
 
-	printk(KERN_DEBUG "inode      %lu\n", inode->i_ino);
-	printk(KERN_DEBUG "size       %llu\n",
+	printk(KERN_DEBUG "Dump in-memory inode:");
+	printk(KERN_DEBUG "\tinode          %lu\n", inode->i_ino);
+	printk(KERN_DEBUG "\tsize           %llu\n",
 	       (unsigned long long)i_size_read(inode));
-	printk(KERN_DEBUG "nlink      %u\n", inode->i_nlink);
-	printk(KERN_DEBUG "uid        %u\n", (unsigned int)inode->i_uid);
-	printk(KERN_DEBUG "gid        %u\n", (unsigned int)inode->i_gid);
-	printk(KERN_DEBUG "atime      %u.%u\n",
+	printk(KERN_DEBUG "\tnlink          %u\n", inode->i_nlink);
+	printk(KERN_DEBUG "\tuid            %u\n", (unsigned int)inode->i_uid);
+	printk(KERN_DEBUG "\tgid            %u\n", (unsigned int)inode->i_gid);
+	printk(KERN_DEBUG "\tatime          %u.%u\n",
 	       (unsigned int)inode->i_atime.tv_sec,
 	       (unsigned int)inode->i_atime.tv_nsec);
-	printk(KERN_DEBUG "mtime      %u.%u\n",
+	printk(KERN_DEBUG "\tmtime          %u.%u\n",
 	       (unsigned int)inode->i_mtime.tv_sec,
 	       (unsigned int)inode->i_mtime.tv_nsec);
-	printk(KERN_DEBUG "ctime       %u.%u\n",
+	printk(KERN_DEBUG "\tctime          %u.%u\n",
 	       (unsigned int)inode->i_ctime.tv_sec,
 	       (unsigned int)inode->i_ctime.tv_nsec);
-	printk(KERN_DEBUG "creat_sqnum %llu\n", ui->creat_sqnum);
-	printk(KERN_DEBUG "xattr_size  %u\n", ui->xattr_size);
-	printk(KERN_DEBUG "xattr_cnt   %u\n", ui->xattr_cnt);
-	printk(KERN_DEBUG "xattr_names %u\n", ui->xattr_names);
-	printk(KERN_DEBUG "dirty       %u\n", ui->dirty);
-	printk(KERN_DEBUG "xattr       %u\n", ui->xattr);
-	printk(KERN_DEBUG "flags       %d\n", ui->flags);
-	printk(KERN_DEBUG "compr_type  %d\n", ui->compr_type);
-	printk(KERN_DEBUG "data_len    %d\n", ui->data_len);
+	printk(KERN_DEBUG "\tcreat_sqnum    %llu\n", ui->creat_sqnum);
+	printk(KERN_DEBUG "\txattr_size     %u\n", ui->xattr_size);
+	printk(KERN_DEBUG "\txattr_cnt      %u\n", ui->xattr_cnt);
+	printk(KERN_DEBUG "\txattr_names    %u\n", ui->xattr_names);
+	printk(KERN_DEBUG "\tdirty          %u\n", ui->dirty);
+	printk(KERN_DEBUG "\txattr          %u\n", ui->xattr);
+	printk(KERN_DEBUG "\tbulk_read      %u\n", ui->xattr);
+	printk(KERN_DEBUG "\tsynced_i_size  %llu\n",
+	       (unsigned long long)ui->synced_i_size);
+	printk(KERN_DEBUG "\tui_size        %llu\n",
+	       (unsigned long long)ui->ui_size);
+	printk(KERN_DEBUG "\tflags          %d\n", ui->flags);
+	printk(KERN_DEBUG "\tcompr_type     %d\n", ui->compr_type);
+	printk(KERN_DEBUG "\tlast_page_read %lu\n", ui->last_page_read);
+	printk(KERN_DEBUG "\tread_in_a_row  %lu\n", ui->read_in_a_row);
+	printk(KERN_DEBUG "\tdata_len       %d\n", ui->data_len);
 }
 
 void dbg_dump_node(const struct ubifs_info *c, const void *node)
-- 
GitLab


From af2eb5637b88f7b8edf295ad3880706c5c30c324 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Tue, 9 Sep 2008 12:23:50 +0300
Subject: [PATCH 0279/2224] UBIFS: correct comment for commit_on_unmount

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/super.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index cf078b5cc88..dae1c62156c 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1465,12 +1465,9 @@ out:
  * commit_on_unmount - commit the journal when un-mounting.
  * @c: UBIFS file-system description object
  *
- * This function is called during un-mounting and it commits the journal unless
- * the "fast unmount" mode is enabled. It also avoids committing the journal if
- * it contains too few data.
- *
- * Sometimes recovery requires the journal to be committed at least once, and
- * this function takes care about this.
+ * This function is called during un-mounting and re-mounting, and it commits
+ * the journal unless the "fast unmount" mode is enabled. It also avoids
+ * committing the journal if it contains too few data.
  */
 static void commit_on_unmount(struct ubifs_info *c)
 {
-- 
GitLab


From 403e12ab30ab160e1015bd998f0abc1865c574e0 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Tue, 9 Sep 2008 12:31:37 +0300
Subject: [PATCH 0280/2224] UBIFS: commit on sync_fs

Commit the journal when the FS is sync'ed. This will make
statfs provide better free space report. And we anyway
advice our users to sync the FS if they want better statfs
report.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/super.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index dae1c62156c..7e1f3efdf63 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -418,6 +418,7 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
 {
 	struct ubifs_info *c = sb->s_fs_info;
 	int i, ret = 0, err;
+	long long bud_bytes;
 
 	if (c->jheads)
 		for (i = 0; i < c->jhead_cnt; i++) {
@@ -425,6 +426,17 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
 			if (err && !ret)
 				ret = err;
 		}
+
+	/* Commit the journal unless it has too few data */
+	spin_lock(&c->buds_lock);
+	bud_bytes = c->bud_bytes;
+	spin_unlock(&c->buds_lock);
+	if (bud_bytes > c->leb_size) {
+		err = ubifs_run_commit(c);
+		if (err)
+			return err;
+	}
+
 	/*
 	 * We ought to call sync for c->ubi but it does not have one. If it had
 	 * it would in turn call mtd->sync, however mtd operations are
-- 
GitLab


From bed79935de9a658678f44b88a097367d3b26429f Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Thu, 11 Sep 2008 14:25:44 +0300
Subject: [PATCH 0281/2224] UBIFS: allow for sync_fs when read-only

sync_fs can be called even if the file system is mounted
read-only.  Ensure the commit is not run in that case.

Reported-by: Zoltan Sogor <weth@inf.u-szeged.hu>
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/super.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 7e1f3efdf63..7fd759dde79 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -420,21 +420,22 @@ static int ubifs_sync_fs(struct super_block *sb, int wait)
 	int i, ret = 0, err;
 	long long bud_bytes;
 
-	if (c->jheads)
+	if (c->jheads) {
 		for (i = 0; i < c->jhead_cnt; i++) {
 			err = ubifs_wbuf_sync(&c->jheads[i].wbuf);
 			if (err && !ret)
 				ret = err;
 		}
 
-	/* Commit the journal unless it has too few data */
-	spin_lock(&c->buds_lock);
-	bud_bytes = c->bud_bytes;
-	spin_unlock(&c->buds_lock);
-	if (bud_bytes > c->leb_size) {
-		err = ubifs_run_commit(c);
-		if (err)
-			return err;
+		/* Commit the journal unless it has too little data */
+		spin_lock(&c->buds_lock);
+		bud_bytes = c->bud_bytes;
+		spin_unlock(&c->buds_lock);
+		if (bud_bytes > c->leb_size) {
+			err = ubifs_run_commit(c);
+			if (err)
+				return err;
+		}
 	}
 
 	/*
-- 
GitLab


From 46773be497a05010a2873e9ad96d739fb352c1e4 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Thu, 11 Sep 2008 12:57:49 +0300
Subject: [PATCH 0282/2224] UBIFS: improve garbage collection

Make garbage collection try to keep data nodes from the same
inode together and in ascending order.  This improves
performance when reading those nodes especially when bulk-read
is used.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/gc.c | 82 ++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 72 insertions(+), 10 deletions(-)

diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index a6b633a5629..0bef6501d58 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -95,6 +95,48 @@ static int switch_gc_head(struct ubifs_info *c)
 	return err;
 }
 
+/**
+ * joinup - bring data nodes for an inode together.
+ * @c: UBIFS file-system description object
+ * @sleb: describes scanned LEB
+ * @inum: inode number
+ * @blk: block number
+ * @data: list to which to add data nodes
+ *
+ * This function looks at the first few nodes in the scanned LEB @sleb and adds
+ * them to @data if they are data nodes from @inum and have a larger block
+ * number than @blk. This function returns %0 on success and a negative error
+ * code on failure.
+ */
+static int joinup(struct ubifs_info *c, struct ubifs_scan_leb *sleb, ino_t inum,
+		  unsigned int blk, struct list_head *data)
+{
+	int err, cnt = 6, lnum = sleb->lnum, offs;
+	struct ubifs_scan_node *snod, *tmp;
+	union ubifs_key *key;
+
+	list_for_each_entry_safe(snod, tmp, &sleb->nodes, list) {
+		key = &snod->key;
+		if (key_inum(c, key) == inum &&
+		    key_type(c, key) == UBIFS_DATA_KEY &&
+		    key_block(c, key) > blk) {
+			offs = snod->offs;
+			err = ubifs_tnc_has_node(c, key, 0, lnum, offs, 0);
+			if (err < 0)
+				return err;
+			list_del(&snod->list);
+			if (err) {
+				list_add_tail(&snod->list, data);
+				blk = key_block(c, key);
+			} else
+				kfree(snod);
+			cnt = 6;
+		} else if (--cnt == 0)
+			break;
+	}
+	return 0;
+}
+
 /**
  * move_nodes - move nodes.
  * @c: UBIFS file-system description object
@@ -116,16 +158,21 @@ static int switch_gc_head(struct ubifs_info *c)
 static int move_nodes(struct ubifs_info *c, struct ubifs_scan_leb *sleb)
 {
 	struct ubifs_scan_node *snod, *tmp;
-	struct list_head large, medium, small;
+	struct list_head data, large, medium, small;
 	struct ubifs_wbuf *wbuf = &c->jheads[GCHD].wbuf;
 	int avail, err, min = INT_MAX;
+	unsigned int blk = 0;
+	ino_t inum = 0;
 
+	INIT_LIST_HEAD(&data);
 	INIT_LIST_HEAD(&large);
 	INIT_LIST_HEAD(&medium);
 	INIT_LIST_HEAD(&small);
 
-	list_for_each_entry_safe(snod, tmp, &sleb->nodes, list) {
-		struct list_head *lst;
+	while (!list_empty(&sleb->nodes)) {
+		struct list_head *lst = sleb->nodes.next;
+
+		snod = list_entry(lst, struct ubifs_scan_node, list);
 
 		ubifs_assert(snod->type != UBIFS_IDX_NODE);
 		ubifs_assert(snod->type != UBIFS_REF_NODE);
@@ -136,7 +183,6 @@ static int move_nodes(struct ubifs_info *c, struct ubifs_scan_leb *sleb)
 		if (err < 0)
 			goto out;
 
-		lst = &snod->list;
 		list_del(lst);
 		if (!err) {
 			/* The node is obsolete, remove it from the list */
@@ -145,15 +191,30 @@ static int move_nodes(struct ubifs_info *c, struct ubifs_scan_leb *sleb)
 		}
 
 		/*
-		 * Sort the list of nodes so that large nodes go first, and
-		 * small nodes go last.
+		 * Sort the list of nodes so that data nodes go first, large
+		 * nodes go second, and small nodes go last.
 		 */
-		if (snod->len > MEDIUM_NODE_WM)
-			list_add(lst, &large);
+		if (key_type(c, &snod->key) == UBIFS_DATA_KEY) {
+			if (inum != key_inum(c, &snod->key)) {
+				if (inum) {
+					/*
+					 * Try to move data nodes from the same
+					 * inode together.
+					 */
+					err = joinup(c, sleb, inum, blk, &data);
+					if (err)
+						goto out;
+				}
+				inum = key_inum(c, &snod->key);
+				blk = key_block(c, &snod->key);
+			}
+			list_add_tail(lst, &data);
+		} else if (snod->len > MEDIUM_NODE_WM)
+			list_add_tail(lst, &large);
 		else if (snod->len > SMALL_NODE_WM)
-			list_add(lst, &medium);
+			list_add_tail(lst, &medium);
 		else
-			list_add(lst, &small);
+			list_add_tail(lst, &small);
 
 		/* And find the smallest node */
 		if (snod->len < min)
@@ -164,6 +225,7 @@ static int move_nodes(struct ubifs_info *c, struct ubifs_scan_leb *sleb)
 	 * Join the tree lists so that we'd have one roughly sorted list
 	 * ('large' will be the head of the joined list).
 	 */
+	list_splice(&data, &large);
 	list_splice(&medium, large.prev);
 	list_splice(&small, large.prev);
 
-- 
GitLab


From 5c0013c16bd2ee08ffef1a1365622556a57218f5 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 12 Sep 2008 10:34:51 +0300
Subject: [PATCH 0283/2224] UBIFS: fix bulk-read handling uptodate pages

Bulk-read skips uptodate pages but this was putting its
array index out and causing it to treat subsequent pages
as holes.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/file.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 2f20a49ba34..51cf511d44d 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -595,7 +595,7 @@ out:
 static int populate_page(struct ubifs_info *c, struct page *page,
 			 struct bu_info *bu, int *n)
 {
-	int i = 0, nn = *n, offs = bu->zbranch[0].offs, hole = 1, read = 0;
+	int i = 0, nn = *n, offs = bu->zbranch[0].offs, hole = 0, read = 0;
 	struct inode *inode = page->mapping->host;
 	loff_t i_size = i_size_read(inode);
 	unsigned int page_block;
@@ -609,6 +609,7 @@ static int populate_page(struct ubifs_info *c, struct page *page,
 
 	end_index = (i_size - 1) >> PAGE_CACHE_SHIFT;
 	if (!i_size || page->index > end_index) {
+		hole = 1;
 		memset(addr, 0, PAGE_CACHE_SIZE);
 		goto out_hole;
 	}
@@ -617,10 +618,10 @@ static int populate_page(struct ubifs_info *c, struct page *page,
 	while (1) {
 		int err, len, out_len, dlen;
 
-		if (nn >= bu->cnt ||
-		    key_block(c, &bu->zbranch[nn].key) != page_block)
+		if (nn >= bu->cnt) {
+			hole = 1;
 			memset(addr, 0, UBIFS_BLOCK_SIZE);
-		else {
+		} else if (key_block(c, &bu->zbranch[nn].key) == page_block) {
 			struct ubifs_data_node *dn;
 
 			dn = bu->buf + (bu->zbranch[nn].offs - offs);
@@ -643,8 +644,13 @@ static int populate_page(struct ubifs_info *c, struct page *page,
 				memset(addr + len, 0, UBIFS_BLOCK_SIZE - len);
 
 			nn += 1;
-			hole = 0;
 			read = (i << UBIFS_BLOCK_SHIFT) + len;
+		} else if (key_block(c, &bu->zbranch[nn].key) < page_block) {
+			nn += 1;
+			continue;
+		} else {
+			hole = 1;
+			memset(addr, 0, UBIFS_BLOCK_SIZE);
 		}
 		if (++i >= UBIFS_BLOCKS_PER_PAGE)
 			break;
-- 
GitLab


From 73944a6de048c2c49422e9063e57198256efd23e Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 12 Sep 2008 18:13:31 +0300
Subject: [PATCH 0284/2224] UBIFS: add more debugging messages for LPT

Also add debugging checks for LPT size and separate
out c->check_lpt_free from unrelated bitfields.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/debug.c      |  37 +++++++++
 fs/ubifs/debug.h      |   6 ++
 fs/ubifs/lpt.c        |   3 +-
 fs/ubifs/lpt_commit.c | 185 +++++++++++++++++++++++++++++++++++++++---
 fs/ubifs/ubifs.h      |  10 ++-
 5 files changed, 228 insertions(+), 13 deletions(-)

diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 32071ec87cd..7186400750e 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -655,6 +655,43 @@ void dbg_dump_lprops(struct ubifs_info *c)
 	}
 }
 
+void dbg_dump_lpt_info(struct ubifs_info *c)
+{
+	int i;
+
+	spin_lock(&dbg_lock);
+	printk(KERN_DEBUG "\tlpt_sz:        %lld\n", c->lpt_sz);
+	printk(KERN_DEBUG "\tpnode_sz:      %d\n", c->pnode_sz);
+	printk(KERN_DEBUG "\tnnode_sz:      %d\n", c->nnode_sz);
+	printk(KERN_DEBUG "\tltab_sz:       %d\n", c->ltab_sz);
+	printk(KERN_DEBUG "\tlsave_sz:      %d\n", c->lsave_sz);
+	printk(KERN_DEBUG "\tbig_lpt:       %d\n", c->big_lpt);
+	printk(KERN_DEBUG "\tlpt_hght:      %d\n", c->lpt_hght);
+	printk(KERN_DEBUG "\tpnode_cnt:     %d\n", c->pnode_cnt);
+	printk(KERN_DEBUG "\tnnode_cnt:     %d\n", c->nnode_cnt);
+	printk(KERN_DEBUG "\tdirty_pn_cnt:  %d\n", c->dirty_pn_cnt);
+	printk(KERN_DEBUG "\tdirty_nn_cnt:  %d\n", c->dirty_nn_cnt);
+	printk(KERN_DEBUG "\tlsave_cnt:     %d\n", c->lsave_cnt);
+	printk(KERN_DEBUG "\tspace_bits:    %d\n", c->space_bits);
+	printk(KERN_DEBUG "\tlpt_lnum_bits: %d\n", c->lpt_lnum_bits);
+	printk(KERN_DEBUG "\tlpt_offs_bits: %d\n", c->lpt_offs_bits);
+	printk(KERN_DEBUG "\tlpt_spc_bits:  %d\n", c->lpt_spc_bits);
+	printk(KERN_DEBUG "\tpcnt_bits:     %d\n", c->pcnt_bits);
+	printk(KERN_DEBUG "\tlnum_bits:     %d\n", c->lnum_bits);
+	printk(KERN_DEBUG "\tLPT root is at %d:%d\n", c->lpt_lnum, c->lpt_offs);
+	printk(KERN_DEBUG "\tLPT head is at %d:%d\n",
+	       c->nhead_lnum, c->nhead_offs);
+	printk(KERN_DEBUG "\tLPT ltab is at %d:%d\n", c->ltab_lnum, c->ltab_offs);
+	if (c->big_lpt)
+		printk(KERN_DEBUG "\tLPT lsave is at %d:%d\n",
+		       c->lsave_lnum, c->lsave_offs);
+	for (i = 0; i < c->lpt_lebs; i++)
+		printk(KERN_DEBUG "\tLPT LEB %d free %d dirty %d tgc %d "
+		       "cmt %d\n", i + c->lpt_first, c->ltab[i].free,
+		       c->ltab[i].dirty, c->ltab[i].tgc, c->ltab[i].cmt);
+	spin_unlock(&dbg_lock);
+}
+
 void dbg_dump_leb(const struct ubifs_info *c, int lnum)
 {
 	struct ubifs_scan_leb *sleb;
diff --git a/fs/ubifs/debug.h b/fs/ubifs/debug.h
index 50315fc5718..33d6b95071e 100644
--- a/fs/ubifs/debug.h
+++ b/fs/ubifs/debug.h
@@ -224,6 +224,7 @@ void dbg_dump_lstats(const struct ubifs_lp_stats *lst);
 void dbg_dump_budg(struct ubifs_info *c);
 void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp);
 void dbg_dump_lprops(struct ubifs_info *c);
+void dbg_dump_lpt_info(struct ubifs_info *c);
 void dbg_dump_leb(const struct ubifs_info *c, int lnum);
 void dbg_dump_znode(const struct ubifs_info *c,
 		    const struct ubifs_znode *znode);
@@ -249,6 +250,8 @@ int dbg_old_index_check_init(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 int dbg_check_old_index(struct ubifs_info *c, struct ubifs_zbranch *zroot);
 int dbg_check_cats(struct ubifs_info *c);
 int dbg_check_ltab(struct ubifs_info *c);
+int dbg_chk_lpt_free_spc(struct ubifs_info *c);
+int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len);
 int dbg_check_synced_i_size(struct inode *inode);
 int dbg_check_dir_size(struct ubifs_info *c, const struct inode *dir);
 int dbg_check_tnc(struct ubifs_info *c, int extra);
@@ -367,6 +370,7 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
 #define dbg_dump_budg(c)                      ({})
 #define dbg_dump_lprop(c, lp)                 ({})
 #define dbg_dump_lprops(c)                    ({})
+#define dbg_dump_lpt_info(c)                  ({})
 #define dbg_dump_leb(c, lnum)                 ({})
 #define dbg_dump_znode(c, znode)              ({})
 #define dbg_dump_heap(c, heap, cat)           ({})
@@ -379,6 +383,8 @@ static inline int dbg_change(struct ubi_volume_desc *desc, int lnum,
 #define dbg_check_old_index(c, zroot)              0
 #define dbg_check_cats(c)                          0
 #define dbg_check_ltab(c)                          0
+#define dbg_chk_lpt_free_spc(c)                    0
+#define dbg_chk_lpt_sz(c, action, len)             0
 #define dbg_check_synced_i_size(inode)             0
 #define dbg_check_dir_size(c, dir)                 0
 #define dbg_check_tnc(c, x)                        0
diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index 9ff2463177e..cd11b23a187 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -109,7 +109,8 @@ static void do_calc_lpt_geom(struct ubifs_info *c)
 	c->lpt_sz = (long long)c->pnode_cnt * c->pnode_sz;
 	c->lpt_sz += (long long)c->nnode_cnt * c->nnode_sz;
 	c->lpt_sz += c->ltab_sz;
-	c->lpt_sz += c->lsave_sz;
+	if (c->big_lpt)
+		c->lpt_sz += c->lsave_sz;
 
 	/* Add wastage */
 	sz = c->lpt_sz;
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 5f0b83e20af..8546865a910 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -177,8 +177,6 @@ static int alloc_lpt_leb(struct ubifs_info *c, int *lnum)
 			return 0;
 		}
 	}
-	dbg_err("last LEB %d", *lnum);
-	dump_stack();
 	return -ENOSPC;
 }
 
@@ -193,6 +191,9 @@ static int layout_cnodes(struct ubifs_info *c)
 	int lnum, offs, len, alen, done_lsave, done_ltab, err;
 	struct ubifs_cnode *cnode;
 
+	err = dbg_chk_lpt_sz(c, 0, 0);
+	if (err)
+		return err;
 	cnode = c->lpt_cnext;
 	if (!cnode)
 		return 0;
@@ -206,6 +207,7 @@ static int layout_cnodes(struct ubifs_info *c)
 		c->lsave_lnum = lnum;
 		c->lsave_offs = offs;
 		offs += c->lsave_sz;
+		dbg_chk_lpt_sz(c, 1, c->lsave_sz);
 	}
 
 	if (offs + c->ltab_sz <= c->leb_size) {
@@ -213,6 +215,7 @@ static int layout_cnodes(struct ubifs_info *c)
 		c->ltab_lnum = lnum;
 		c->ltab_offs = offs;
 		offs += c->ltab_sz;
+		dbg_chk_lpt_sz(c, 1, c->ltab_sz);
 	}
 
 	do {
@@ -226,9 +229,10 @@ static int layout_cnodes(struct ubifs_info *c)
 		while (offs + len > c->leb_size) {
 			alen = ALIGN(offs, c->min_io_size);
 			upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
+			dbg_chk_lpt_sz(c, 2, alen - offs);
 			err = alloc_lpt_leb(c, &lnum);
 			if (err)
-				return err;
+				goto no_space;
 			offs = 0;
 			ubifs_assert(lnum >= c->lpt_first &&
 				     lnum <= c->lpt_last);
@@ -238,6 +242,7 @@ static int layout_cnodes(struct ubifs_info *c)
 				c->lsave_lnum = lnum;
 				c->lsave_offs = offs;
 				offs += c->lsave_sz;
+				dbg_chk_lpt_sz(c, 1, c->lsave_sz);
 				continue;
 			}
 			if (!done_ltab) {
@@ -245,6 +250,7 @@ static int layout_cnodes(struct ubifs_info *c)
 				c->ltab_lnum = lnum;
 				c->ltab_offs = offs;
 				offs += c->ltab_sz;
+				dbg_chk_lpt_sz(c, 1, c->ltab_sz);
 				continue;
 			}
 			break;
@@ -257,6 +263,7 @@ static int layout_cnodes(struct ubifs_info *c)
 			c->lpt_offs = offs;
 		}
 		offs += len;
+		dbg_chk_lpt_sz(c, 1, len);
 		cnode = cnode->cnext;
 	} while (cnode && cnode != c->lpt_cnext);
 
@@ -265,9 +272,10 @@ static int layout_cnodes(struct ubifs_info *c)
 		if (offs + c->lsave_sz > c->leb_size) {
 			alen = ALIGN(offs, c->min_io_size);
 			upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
+			dbg_chk_lpt_sz(c, 2, alen - offs);
 			err = alloc_lpt_leb(c, &lnum);
 			if (err)
-				return err;
+				goto no_space;
 			offs = 0;
 			ubifs_assert(lnum >= c->lpt_first &&
 				     lnum <= c->lpt_last);
@@ -276,6 +284,7 @@ static int layout_cnodes(struct ubifs_info *c)
 		c->lsave_lnum = lnum;
 		c->lsave_offs = offs;
 		offs += c->lsave_sz;
+		dbg_chk_lpt_sz(c, 1, c->lsave_sz);
 	}
 
 	/* Make sure to place LPT's own lprops table */
@@ -283,9 +292,10 @@ static int layout_cnodes(struct ubifs_info *c)
 		if (offs + c->ltab_sz > c->leb_size) {
 			alen = ALIGN(offs, c->min_io_size);
 			upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
+			dbg_chk_lpt_sz(c, 2, alen - offs);
 			err = alloc_lpt_leb(c, &lnum);
 			if (err)
-				return err;
+				goto no_space;
 			offs = 0;
 			ubifs_assert(lnum >= c->lpt_first &&
 				     lnum <= c->lpt_last);
@@ -294,11 +304,23 @@ static int layout_cnodes(struct ubifs_info *c)
 		c->ltab_lnum = lnum;
 		c->ltab_offs = offs;
 		offs += c->ltab_sz;
+		dbg_chk_lpt_sz(c, 1, c->ltab_sz);
 	}
 
 	alen = ALIGN(offs, c->min_io_size);
 	upd_ltab(c, lnum, c->leb_size - alen, alen - offs);
+	dbg_chk_lpt_sz(c, 4, alen - offs);
+	err = dbg_chk_lpt_sz(c, 3, alen);
+	if (err)
+		return err;
 	return 0;
+
+no_space:
+	ubifs_err("LPT out of space");
+	dbg_err("LPT out of space at LEB %d:%d needing %d, done_ltab %d, "
+		"done_lsave %d", lnum, offs, len, done_ltab, done_lsave);
+	dbg_dump_lpt_info(c);
+	return err;
 }
 
 /**
@@ -333,8 +355,6 @@ static int realloc_lpt_leb(struct ubifs_info *c, int *lnum)
 			*lnum = i + c->lpt_first;
 			return 0;
 		}
-	dbg_err("last LEB %d", *lnum);
-	dump_stack();
 	return -ENOSPC;
 }
 
@@ -369,12 +389,14 @@ static int write_cnodes(struct ubifs_info *c)
 		done_lsave = 1;
 		ubifs_pack_lsave(c, buf + offs, c->lsave);
 		offs += c->lsave_sz;
+		dbg_chk_lpt_sz(c, 1, c->lsave_sz);
 	}
 
 	if (offs + c->ltab_sz <= c->leb_size) {
 		done_ltab = 1;
 		ubifs_pack_ltab(c, buf + offs, c->ltab_cmt);
 		offs += c->ltab_sz;
+		dbg_chk_lpt_sz(c, 1, c->ltab_sz);
 	}
 
 	/* Loop for each cnode */
@@ -392,10 +414,12 @@ static int write_cnodes(struct ubifs_info *c)
 						       alen, UBI_SHORTTERM);
 				if (err)
 					return err;
+				dbg_chk_lpt_sz(c, 4, alen - wlen);
 			}
+			dbg_chk_lpt_sz(c, 2, 0);
 			err = realloc_lpt_leb(c, &lnum);
 			if (err)
-				return err;
+				goto no_space;
 			offs = 0;
 			from = 0;
 			ubifs_assert(lnum >= c->lpt_first &&
@@ -408,12 +432,14 @@ static int write_cnodes(struct ubifs_info *c)
 				done_lsave = 1;
 				ubifs_pack_lsave(c, buf + offs, c->lsave);
 				offs += c->lsave_sz;
+				dbg_chk_lpt_sz(c, 1, c->lsave_sz);
 				continue;
 			}
 			if (!done_ltab) {
 				done_ltab = 1;
 				ubifs_pack_ltab(c, buf + offs, c->ltab_cmt);
 				offs += c->ltab_sz;
+				dbg_chk_lpt_sz(c, 1, c->ltab_sz);
 				continue;
 			}
 			break;
@@ -435,6 +461,7 @@ static int write_cnodes(struct ubifs_info *c)
 		clear_bit(COW_ZNODE, &cnode->flags);
 		smp_mb__after_clear_bit();
 		offs += len;
+		dbg_chk_lpt_sz(c, 1, len);
 		cnode = cnode->cnext;
 	} while (cnode && cnode != c->lpt_cnext);
 
@@ -448,9 +475,10 @@ static int write_cnodes(struct ubifs_info *c)
 					      UBI_SHORTTERM);
 			if (err)
 				return err;
+			dbg_chk_lpt_sz(c, 2, alen - wlen);
 			err = realloc_lpt_leb(c, &lnum);
 			if (err)
-				return err;
+				goto no_space;
 			offs = 0;
 			ubifs_assert(lnum >= c->lpt_first &&
 				     lnum <= c->lpt_last);
@@ -461,6 +489,7 @@ static int write_cnodes(struct ubifs_info *c)
 		done_lsave = 1;
 		ubifs_pack_lsave(c, buf + offs, c->lsave);
 		offs += c->lsave_sz;
+		dbg_chk_lpt_sz(c, 1, c->lsave_sz);
 	}
 
 	/* Make sure to place LPT's own lprops table */
@@ -473,9 +502,10 @@ static int write_cnodes(struct ubifs_info *c)
 					      UBI_SHORTTERM);
 			if (err)
 				return err;
+			dbg_chk_lpt_sz(c, 2, alen - wlen);
 			err = realloc_lpt_leb(c, &lnum);
 			if (err)
-				return err;
+				goto no_space;
 			offs = 0;
 			ubifs_assert(lnum >= c->lpt_first &&
 				     lnum <= c->lpt_last);
@@ -486,6 +516,7 @@ static int write_cnodes(struct ubifs_info *c)
 		done_ltab = 1;
 		ubifs_pack_ltab(c, buf + offs, c->ltab_cmt);
 		offs += c->ltab_sz;
+		dbg_chk_lpt_sz(c, 1, c->ltab_sz);
 	}
 
 	/* Write remaining data in buffer */
@@ -495,6 +526,12 @@ static int write_cnodes(struct ubifs_info *c)
 	err = ubifs_leb_write(c, lnum, buf + from, from, alen, UBI_SHORTTERM);
 	if (err)
 		return err;
+
+	dbg_chk_lpt_sz(c, 4, alen - wlen);
+	err = dbg_chk_lpt_sz(c, 3, ALIGN(offs, c->min_io_size));
+	if (err)
+		return err;
+
 	c->nhead_lnum = lnum;
 	c->nhead_offs = ALIGN(offs, c->min_io_size);
 
@@ -503,7 +540,15 @@ static int write_cnodes(struct ubifs_info *c)
 	dbg_lp("LPT ltab is at %d:%d", c->ltab_lnum, c->ltab_offs);
 	if (c->big_lpt)
 		dbg_lp("LPT lsave is at %d:%d", c->lsave_lnum, c->lsave_offs);
+
 	return 0;
+
+no_space:
+	ubifs_err("LPT out of space mismatch");
+	dbg_err("LPT out of space mismatch at LEB %d:%d needing %d, done_ltab "
+	        "%d, done_lsave %d", lnum, offs, len, done_ltab, done_lsave);
+	dbg_dump_lpt_info(c);
+	return err;
 }
 
 /**
@@ -1156,6 +1201,9 @@ int ubifs_lpt_start_commit(struct ubifs_info *c)
 	dbg_lp("");
 
 	mutex_lock(&c->lp_mutex);
+	err = dbg_chk_lpt_free_spc(c);
+	if (err)
+		goto out;
 	err = dbg_check_ltab(c);
 	if (err)
 		goto out;
@@ -1645,4 +1693,121 @@ int dbg_check_ltab(struct ubifs_info *c)
 	return 0;
 }
 
+/**
+ * dbg_chk_lpt_free_spc - check LPT free space is enough to write entire LPT.
+ * @c: the UBIFS file-system description object
+ *
+ * This function returns %0 on success and a negative error code on failure.
+ */
+int dbg_chk_lpt_free_spc(struct ubifs_info *c)
+{
+	long long free = 0;
+	int i;
+
+	for (i = 0; i < c->lpt_lebs; i++) {
+		if (c->ltab[i].tgc || c->ltab[i].cmt)
+			continue;
+		if (i + c->lpt_first == c->nhead_lnum)
+			free += c->leb_size - c->nhead_offs;
+		else if (c->ltab[i].free == c->leb_size)
+			free += c->leb_size;
+	}
+	if (free < c->lpt_sz) {
+		dbg_err("LPT space error: free %lld lpt_sz %lld",
+			free, c->lpt_sz);
+		dbg_dump_lpt_info(c);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+/**
+ * dbg_chk_lpt_sz - check LPT does not write more than LPT size.
+ * @c: the UBIFS file-system description object
+ * @action: action
+ * @len: length written
+ *
+ * This function returns %0 on success and a negative error code on failure.
+ */
+int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
+{
+	long long chk_lpt_sz, lpt_sz;
+	int err = 0;
+
+	switch (action) {
+	case 0:
+		c->chk_lpt_sz = 0;
+		c->chk_lpt_sz2 = 0;
+		c->chk_lpt_lebs = 0;
+		c->chk_lpt_wastage = 0;
+		if (c->dirty_pn_cnt > c->pnode_cnt) {
+			dbg_err("dirty pnodes %d exceed max %d",
+				c->dirty_pn_cnt, c->pnode_cnt);
+			err = -EINVAL;
+		}
+		if (c->dirty_nn_cnt > c->nnode_cnt) {
+			dbg_err("dirty nnodes %d exceed max %d",
+				c->dirty_nn_cnt, c->nnode_cnt);
+			err = -EINVAL;
+		}
+		return err;
+	case 1:
+		c->chk_lpt_sz += len;
+		return 0;
+	case 2:
+		c->chk_lpt_sz += len;
+		c->chk_lpt_wastage += len;
+		c->chk_lpt_lebs += 1;
+		return 0;
+	case 3:
+		chk_lpt_sz = c->leb_size;
+		chk_lpt_sz *= c->chk_lpt_lebs;
+		chk_lpt_sz += len - c->nhead_offs;
+		if (c->chk_lpt_sz != chk_lpt_sz) {
+			dbg_err("LPT wrote %lld but space used was %lld",
+				c->chk_lpt_sz, chk_lpt_sz);
+			err = -EINVAL;
+		}
+		if (c->chk_lpt_sz > c->lpt_sz) {
+			dbg_err("LPT wrote %lld but lpt_sz is %lld",
+				c->chk_lpt_sz, c->lpt_sz);
+			err = -EINVAL;
+		}
+		if (c->chk_lpt_sz2 && c->chk_lpt_sz != c->chk_lpt_sz2) {
+			dbg_err("LPT layout size %lld but wrote %lld",
+				c->chk_lpt_sz, c->chk_lpt_sz2);
+			err = -EINVAL;
+		}
+		if (c->chk_lpt_sz2 && c->new_nhead_offs != len) {
+			dbg_err("LPT new nhead offs: expected %d was %d",
+				c->new_nhead_offs, len);
+			err = -EINVAL;
+		}
+		lpt_sz = (long long)c->pnode_cnt * c->pnode_sz;
+		lpt_sz += (long long)c->nnode_cnt * c->nnode_sz;
+		lpt_sz += c->ltab_sz;
+		if (c->big_lpt)
+			lpt_sz += c->lsave_sz;
+		if (c->chk_lpt_sz - c->chk_lpt_wastage > lpt_sz) {
+			dbg_err("LPT chk_lpt_sz %lld + waste %lld exceeds %lld",
+				c->chk_lpt_sz, c->chk_lpt_wastage, lpt_sz);
+			err = -EINVAL;
+		}
+		if (err)
+			dbg_dump_lpt_info(c);
+		c->chk_lpt_sz2 = c->chk_lpt_sz;
+		c->chk_lpt_sz = 0;
+		c->chk_lpt_wastage = 0;
+		c->chk_lpt_lebs = 0;
+		c->new_nhead_offs = len;
+		return err;
+	case 4:
+		c->chk_lpt_sz += len;
+		c->chk_lpt_wastage += len;
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
 #endif /* CONFIG_UBIFS_FS_DEBUG */
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 49b06c9f675..a7bd32fa15b 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -943,7 +943,6 @@ struct ubifs_mount_opts {
  *
  * @fast_unmount: do not run journal commit before un-mounting
  * @big_lpt: flag that LPT is too big to write whole during commit
- * @check_lpt_free: flag that indicates LPT GC may be needed
  * @no_chk_data_crc: do not check CRCs when reading data nodes (except during
  *                   recovery)
  * @bulk_read: enable bulk-reads
@@ -1102,6 +1101,7 @@ struct ubifs_mount_opts {
  * @lpt_drty_flgs: dirty flags for LPT special nodes e.g. ltab
  * @dirty_nn_cnt: number of dirty nnodes
  * @dirty_pn_cnt: number of dirty pnodes
+ * @check_lpt_free: flag that indicates LPT GC may be needed
  * @lpt_sz: LPT size
  * @lpt_nod_buf: buffer for an on-flash nnode or pnode
  * @lpt_buf: buffer of LEB size used by LPT
@@ -1191,7 +1191,6 @@ struct ubifs_info {
 
 	unsigned int fast_unmount:1;
 	unsigned int big_lpt:1;
-	unsigned int check_lpt_free:1;
 	unsigned int no_chk_data_crc:1;
 	unsigned int bulk_read:1;
 
@@ -1340,6 +1339,7 @@ struct ubifs_info {
 	int lpt_drty_flgs;
 	int dirty_nn_cnt;
 	int dirty_pn_cnt;
+	int check_lpt_free;
 	long long lpt_sz;
 	void *lpt_nod_buf;
 	void *lpt_buf;
@@ -1394,6 +1394,12 @@ struct ubifs_info {
 	unsigned long fail_timeout;
 	unsigned int fail_cnt;
 	unsigned int fail_cnt_max;
+	long long chk_lpt_sz;
+	long long chk_lpt_sz2;
+	long long chk_lpt_wastage;
+	int chk_lpt_lebs;
+	int new_nhead_lnum;
+	int new_nhead_offs;
 #endif
 };
 
-- 
GitLab


From 63c300b68fd93a9fadc5e317d4d001b7a6985486 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Wed, 17 Sep 2008 12:11:13 +0300
Subject: [PATCH 0285/2224] UBIFS: correct condition to eliminate unecessary
 assignment

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/tnc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index e0878a431b9..d27fd918b9c 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -1600,7 +1600,7 @@ out:
 	 * An enormous hole could cause bulk-read to encompass too many
 	 * page cache pages, so limit the number here.
 	 */
-	if (bu->blk_cnt >= UBIFS_MAX_BULK_READ)
+	if (bu->blk_cnt > UBIFS_MAX_BULK_READ)
 		bu->blk_cnt = UBIFS_MAX_BULK_READ;
 	/*
 	 * Ensure that bulk-read covers a whole number of page cache
-- 
GitLab


From be2f6bd62d0d4246a9227dacbe2469e1f0eccf26 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 26 Sep 2008 12:52:21 +0300
Subject: [PATCH 0286/2224] UBIFS: check buffer length when scanning for LPT
 nodes

'is_a_node()' function was reading from a buffer before
checking the buffer length, resulting in an OOPS as
follows:

BUG: unable to handle kernel paging request at f8f74002
IP: [<f8f9783f>] :ubifs:ubifs_unpack_bits+0xca/0x233
*pde = 19e95067 *pte = 00000000
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: ubifs ubi mtdchar bio2mtd mtd brd video output
[last unloaded: mtd]

Pid: 6414, comm: integck Not tainted (2.6.27-rc6ubifs34 #23)
EIP: 0060:[<f8f9783f>] EFLAGS: 00010246 CPU: 0
EIP is at ubifs_unpack_bits+0xca/0x233 [ubifs]
EAX: 00000000 EBX: f6090630 ECX: d9badcfc EDX: 00000000
ESI: 00000004 EDI: f8f74002 EBP: d9badcec ESP: d9badcc0
 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process integck (pid: 6414, ti=d9bac000 task=f727dae0 task.ti=d9bac000)
Stack: 00000006 f7306240 00000002 00000000 d9badcfc d9badd00 0000001c 00000000
       f6090630 f6090630 f8f74000 d9badd10 f8fa1cc9 00000000 f8f74002 00000000
       f8f74002 f60fe128 f6090630 f8f74000 d9badd68 f8fa1e46 00000000 0001e000
Call Trace:
 [<f8fa1cc9>] ? is_a_node+0x30/0x90 [ubifs]
 [<f8fa1e46>] ? dbg_check_ltab+0x11d/0x5bd [ubifs]
 [<f8fa388f>] ? ubifs_lpt_start_commit+0x42/0xed3 [ubifs]
 [<c038e76a>] ? mutex_unlock+0x8/0xa
 [<f8f9625d>] ? ubifs_tnc_start_commit+0x1c8/0xedb [ubifs]
 [<f8f8d90b>] ? do_commit+0x187/0x523 [ubifs]
 [<c038e76a>] ? mutex_unlock+0x8/0xa
 [<f8f7ca17>] ? bud_wbuf_callback+0x22/0x28 [ubifs]
 [<f8f8dd1d>] ? ubifs_run_commit+0x76/0xc0 [ubifs]
 [<f8f8032c>] ? ubifs_sync_fs+0xd2/0xe6 [ubifs]
 [<c01a2e97>] ? vfs_quota_sync+0x0/0x17e
 [<c01a5ba6>] ? quota_sync_sb+0x26/0xbb
 [<c01a2e97>] ? vfs_quota_sync+0x0/0x17e
 [<c01a5c5d>] ? sync_dquots+0x22/0x12c
 [<c0173d1b>] ? __fsync_super+0x19/0x68
 [<c0173d75>] ? fsync_super+0xb/0x19
 [<c0174065>] ? generic_shutdown_super+0x22/0xe7
 [<c01a31fc>] ? vfs_quota_off+0x0/0x5fd
 [<f8f7cf4d>] ? ubifs_kill_sb+0x31/0x35 [ubifs]
 [<c01741f9>] ? deactivate_super+0x5e/0x71
 [<c0187610>] ? mntput_no_expire+0x82/0xe4
 [<c0187905>] ? sys_umount+0x4c/0x2f6
 [<c0187bc8>] ? sys_oldumount+0x19/0x1b
 [<c0103b71>] ? sysenter_do_call+0x12/0x25
 =======================
Code: c1 f8 03 8d 04 07 8b 4d e8 89 01 8b 45 e4 89 10 89 d8 89 f1 d3 e8 85 c0
      74 07 29 d6 83 fe 20 75 2a 89 d8 83 c4 20 5b 5e 5f 5d
EIP: [<f8f9783f>] ubifs_unpack_bits+0xca/0x233 [ubifs] SS:ESP 0068:d9badcc0
---[ end trace 1f02572436518c13 ]---

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/lpt_commit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 8546865a910..eed5a0025d6 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -1089,6 +1089,8 @@ static int is_a_node(struct ubifs_info *c, uint8_t *buf, int len)
 	int pos = 0, node_type, node_len;
 	uint16_t crc, calc_crc;
 
+	if (len < UBIFS_LPT_CRC_BYTES + (UBIFS_LPT_TYPE_BITS + 7) / 8)
+		return 0;
 	node_type = ubifs_unpack_bits(&addr, &pos, UBIFS_LPT_TYPE_BITS);
 	if (node_type == UBIFS_LPT_NOT_A_NODE)
 		return 0;
-- 
GitLab


From 64c9627c2628bc3bd3291710b8ee6f8335883f8b Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 1 Oct 2008 15:12:27 +0900
Subject: [PATCH 0287/2224] sh: Fix up the __raw_read/writeX() definitions.

These were doing largely bogus things and using the wrong typing for
the address. Bring these in line with the ARM definitions.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/io.h | 77 +++++++++++++++++++---------------------
 arch/sh/lib/io.c         |  8 ++---
 2 files changed, 40 insertions(+), 45 deletions(-)

diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 1857666136f..d9e794eff83 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -101,44 +101,33 @@
 #define outsw		__outsw
 #define outsl		__outsl
 
-#define __raw_readb(a)		__readb((void __iomem *)(a))
-#define __raw_readw(a)		__readw((void __iomem *)(a))
-#define __raw_readl(a)		__readl((void __iomem *)(a))
-#define __raw_writeb(v, a)	__writeb(v, (void __iomem *)(a))
-#define __raw_writew(v, a)	__writew(v, (void __iomem *)(a))
-#define __raw_writel(v, a)	__writel(v, (void __iomem *)(a))
+#define __raw_writeb(v,a)	(__chk_io_ptr(a), *(volatile unsigned char __force  *)(a) = (v))
+#define __raw_writew(v,a)	(__chk_io_ptr(a), *(volatile unsigned short __force *)(a) = (v))
+#define __raw_writel(v,a)	(__chk_io_ptr(a), *(volatile unsigned int __force   *)(a) = (v))
 
-void __raw_writesl(unsigned long addr, const void *data, int longlen);
-void __raw_readsl(unsigned long addr, void *data, int longlen);
+#define __raw_readb(a)		(__chk_io_ptr(a), *(volatile unsigned char __force  *)(a))
+#define __raw_readw(a)		(__chk_io_ptr(a), *(volatile unsigned short __force *)(a))
+#define __raw_readl(a)		(__chk_io_ptr(a), *(volatile unsigned int __force   *)(a))
+
+void __raw_writesl(void __iomem *addr, const void *data, int longlen);
+void __raw_readsl(const void __iomem *addr, void *data, int longlen);
 
 /*
  * The platform header files may define some of these macros to use
  * the inlined versions where appropriate.  These macros may also be
  * redefined by userlevel programs.
  */
-#ifdef __readb
-# define readb(a)	({ unsigned int r_ = __raw_readb(a); mb(); r_; })
-#endif
-#ifdef __raw_readw
-# define readw(a)	({ unsigned int r_ = __raw_readw(a); mb(); r_; })
-#endif
-#ifdef __raw_readl
-# define readl(a)	({ unsigned int r_ = __raw_readl(a); mb(); r_; })
-#endif
+#define readb(a)	({ unsigned int r_ = __readb(a); mb(); r_; })
+#define readw(a)	({ unsigned int r_ = __readw(a); mb(); r_; })
+#define readl(a)	({ unsigned int r_ = __readl(a); mb(); r_; })
 
-#ifdef __raw_writeb
-# define writeb(v,a)	({ __raw_writeb((v),(a)); mb(); })
-#endif
-#ifdef __raw_writew
-# define writew(v,a)	({ __raw_writew((v),(a)); mb(); })
-#endif
-#ifdef __raw_writel
-# define writel(v,a)	({ __raw_writel((v),(a)); mb(); })
-#endif
+#define writeb(v,a)	({ __writeb((v),(a)); mb(); })
+#define writew(v,a)	({ __writew((v),(a)); mb(); })
+#define writel(v,a)	({ __writel((v),(a)); mb(); })
 
 #define __BUILD_MEMORY_STRING(bwlq, type)				\
 									\
-static inline void writes##bwlq(volatile void __iomem *mem,		\
+static inline void __raw_writes##bwlq(volatile void __iomem *mem,	\
 				const void *addr, unsigned int count)	\
 {									\
 	const volatile type *__addr = addr;				\
@@ -149,8 +138,8 @@ static inline void writes##bwlq(volatile void __iomem *mem,		\
 	}								\
 }									\
 									\
-static inline void reads##bwlq(volatile void __iomem *mem, void *addr,	\
-			       unsigned int count)			\
+static inline void __raw_reads##bwlq(volatile void __iomem *mem,	\
+			       void *addr, unsigned int count)		\
 {									\
 	volatile type *__addr = addr;					\
 									\
@@ -162,7 +151,13 @@ static inline void reads##bwlq(volatile void __iomem *mem, void *addr,	\
 
 __BUILD_MEMORY_STRING(b, u8)
 __BUILD_MEMORY_STRING(w, u16)
+
+#define writesb	__raw_writesb
+#define writesw	__raw_writesw
 #define writesl __raw_writesl
+
+#define readsb	__raw_readsb
+#define readsw	__raw_readsw
 #define readsl  __raw_readsl
 
 #define readb_relaxed(a) readb(a)
@@ -170,25 +165,25 @@ __BUILD_MEMORY_STRING(w, u16)
 #define readl_relaxed(a) readl(a)
 
 /* Simple MMIO */
-#define ioread8(a)		readb(a)
-#define ioread16(a)		readw(a)
+#define ioread8(a)		__raw_readb(a)
+#define ioread16(a)		__raw_readw(a)
 #define ioread16be(a)		be16_to_cpu(__raw_readw((a)))
-#define ioread32(a)		readl(a)
+#define ioread32(a)		__raw_readl(a)
 #define ioread32be(a)		be32_to_cpu(__raw_readl((a)))
 
-#define iowrite8(v,a)		writeb((v),(a))
-#define iowrite16(v,a)		writew((v),(a))
+#define iowrite8(v,a)		__raw_writeb((v),(a))
+#define iowrite16(v,a)		__raw_writew((v),(a))
 #define iowrite16be(v,a)	__raw_writew(cpu_to_be16((v)),(a))
-#define iowrite32(v,a)		writel((v),(a))
+#define iowrite32(v,a)		__raw_writel((v),(a))
 #define iowrite32be(v,a)	__raw_writel(cpu_to_be32((v)),(a))
 
-#define ioread8_rep(a, d, c)	readsb((a), (d), (c))
-#define ioread16_rep(a, d, c)	readsw((a), (d), (c))
-#define ioread32_rep(a, d, c)	readsl((a), (d), (c))
+#define ioread8_rep(a, d, c)	__raw_readsb((a), (d), (c))
+#define ioread16_rep(a, d, c)	__raw_readsw((a), (d), (c))
+#define ioread32_rep(a, d, c)	__raw_readsl((a), (d), (c))
 
-#define iowrite8_rep(a, s, c)	writesb((a), (s), (c))
-#define iowrite16_rep(a, s, c)	writesw((a), (s), (c))
-#define iowrite32_rep(a, s, c)	writesl((a), (s), (c))
+#define iowrite8_rep(a, s, c)	__raw_writesb((a), (s), (c))
+#define iowrite16_rep(a, s, c)	__raw_writesw((a), (s), (c))
+#define iowrite32_rep(a, s, c)	__raw_writesl((a), (s), (c))
 
 #define mmiowb()	wmb()	/* synco on SH-4A, otherwise a nop */
 
diff --git a/arch/sh/lib/io.c b/arch/sh/lib/io.c
index 4f54ec43516..88dfe6e396b 100644
--- a/arch/sh/lib/io.c
+++ b/arch/sh/lib/io.c
@@ -14,12 +14,12 @@
 #include <linux/module.h>
 #include <linux/io.h>
 
-void __raw_readsl(unsigned long addr, void *datap, int len)
+void __raw_readsl(const void __iomem *addr, void *datap, int len)
 {
 	u32 *data;
 
 	for (data = datap; (len != 0) && (((u32)data & 0x1f) != 0); len--)
-		*data++ = ctrl_inl(addr);
+		*data++ = __raw_readl(addr);
 
 	if (likely(len >= (0x20 >> 2))) {
 		int tmp2, tmp3, tmp4, tmp5, tmp6;
@@ -59,11 +59,11 @@ void __raw_readsl(unsigned long addr, void *datap, int len)
 	}
 
 	for (; len != 0; len--)
-		*data++ = ctrl_inl(addr);
+		*data++ = __raw_readl(addr);
 }
 EXPORT_SYMBOL(__raw_readsl);
 
-void __raw_writesl(unsigned long addr, const void *data, int len)
+void __raw_writesl(void __iomem *addr, const void *data, int len)
 {
 	if (likely(len != 0)) {
 		int tmp1;
-- 
GitLab


From 62429e03644833693e6f94afe537f252e2d3b475 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 1 Oct 2008 15:19:10 +0900
Subject: [PATCH 0288/2224] sh: Use __raw_xxx() I/O accessors for INTC and IPR.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/irq/intc.c | 24 ++++++++++++------------
 arch/sh/kernel/cpu/irq/ipr.c  |  4 ++--
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/sh/kernel/cpu/irq/intc.c b/arch/sh/kernel/cpu/irq/intc.c
index 94536d358fe..138efa4e95d 100644
--- a/arch/sh/kernel/cpu/irq/intc.c
+++ b/arch/sh/kernel/cpu/irq/intc.c
@@ -86,24 +86,24 @@ static inline unsigned int set_field(unsigned int value,
 
 static void write_8(unsigned long addr, unsigned long h, unsigned long data)
 {
-	ctrl_outb(set_field(0, data, h), addr);
+	__raw_writeb(set_field(0, data, h), addr);
 }
 
 static void write_16(unsigned long addr, unsigned long h, unsigned long data)
 {
-	ctrl_outw(set_field(0, data, h), addr);
+	__raw_writew(set_field(0, data, h), addr);
 }
 
 static void write_32(unsigned long addr, unsigned long h, unsigned long data)
 {
-	ctrl_outl(set_field(0, data, h), addr);
+	__raw_writel(set_field(0, data, h), addr);
 }
 
 static void modify_8(unsigned long addr, unsigned long h, unsigned long data)
 {
 	unsigned long flags;
 	local_irq_save(flags);
-	ctrl_outb(set_field(ctrl_inb(addr), data, h), addr);
+	__raw_writeb(set_field(__raw_readb(addr), data, h), addr);
 	local_irq_restore(flags);
 }
 
@@ -111,7 +111,7 @@ static void modify_16(unsigned long addr, unsigned long h, unsigned long data)
 {
 	unsigned long flags;
 	local_irq_save(flags);
-	ctrl_outw(set_field(ctrl_inw(addr), data, h), addr);
+	__raw_writew(set_field(__raw_readw(addr), data, h), addr);
 	local_irq_restore(flags);
 }
 
@@ -119,7 +119,7 @@ static void modify_32(unsigned long addr, unsigned long h, unsigned long data)
 {
 	unsigned long flags;
 	local_irq_save(flags);
-	ctrl_outl(set_field(ctrl_inl(addr), data, h), addr);
+	__raw_writel(set_field(__raw_readl(addr), data, h), addr);
 	local_irq_restore(flags);
 }
 
@@ -246,16 +246,16 @@ static void intc_mask_ack(unsigned int irq)
 		addr = INTC_REG(d, _INTC_ADDR_D(handle), 0);
 		switch (_INTC_FN(handle)) {
 		case REG_FN_MODIFY_BASE + 0:	/* 8bit */
-			ctrl_inb(addr);
-			ctrl_outb(0xff ^ set_field(0, 1, handle), addr);
+			__raw_readb(addr);
+			__raw_writeb(0xff ^ set_field(0, 1, handle), addr);
 			break;
 		case REG_FN_MODIFY_BASE + 1:	/* 16bit */
-			ctrl_inw(addr);
-			ctrl_outw(0xffff ^ set_field(0, 1, handle), addr);
+			__raw_readw(addr);
+			__raw_writew(0xffff ^ set_field(0, 1, handle), addr);
 			break;
 		case REG_FN_MODIFY_BASE + 3:	/* 32bit */
-			ctrl_inl(addr);
-			ctrl_outl(0xffffffff ^ set_field(0, 1, handle), addr);
+			__raw_readl(addr);
+			__raw_writel(0xffffffff ^ set_field(0, 1, handle), addr);
 			break;
 		default:
 			BUG();
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 56ea7b269b5..3eb17ee5540 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -33,7 +33,7 @@ static void disable_ipr_irq(unsigned int irq)
 	struct ipr_data *p = get_irq_chip_data(irq);
 	unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
 	/* Set the priority in IPR to 0 */
-	ctrl_outw(ctrl_inw(addr) & (0xffff ^ (0xf << p->shift)), addr);
+	__raw_writew(__raw_readw(addr) & (0xffff ^ (0xf << p->shift)), addr);
 }
 
 static void enable_ipr_irq(unsigned int irq)
@@ -41,7 +41,7 @@ static void enable_ipr_irq(unsigned int irq)
 	struct ipr_data *p = get_irq_chip_data(irq);
 	unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
 	/* Set priority in IPR back to original value */
-	ctrl_outw(ctrl_inw(addr) | (p->priority << p->shift), addr);
+	__raw_writew(__raw_readw(addr) | (p->priority << p->shift), addr);
 }
 
 /*
-- 
GitLab


From 7ff731aeba1cdac473c818a9884eb94ddad18e7f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 1 Oct 2008 15:46:58 +0900
Subject: [PATCH 0289/2224] serial: sh-sci: Handle the general UPF_IOREMAP
 case.

Presently we don't do much with UPF_IOREMAP other than special case it
for SH-5's onchip_remap() on the early console. Tie this in generically
for platforms that need the remap.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/serial/sh-sci.c | 45 ++++++++++++++++++++++++++++++-----------
 drivers/serial/sh-sci.h | 10 ++++-----
 2 files changed, 37 insertions(+), 18 deletions(-)

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index f5aebc9f27e..ac658a7a27b 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -3,7 +3,7 @@
  *
  * SuperH on-chip serial module support.  (SCI with no FIFO / with FIFO)
  *
- *  Copyright (C) 2002 - 2006  Paul Mundt
+ *  Copyright (C) 2002 - 2008  Paul Mundt
  *  Modified to support SH7720 SCIF. Markus Brunner, Mark Jonas (Jul 2007).
  *
  * based off of the old drivers/char/sh-sci.c by:
@@ -46,6 +46,7 @@
 #include <linux/cpufreq.h>
 #include <linux/clk.h>
 #include <linux/ctype.h>
+#include <linux/err.h>
 
 #ifdef CONFIG_SUPERH
 #include <asm/clock.h>
@@ -1145,12 +1146,16 @@ static void sci_config_port(struct uart_port *port, int flags)
 		break;
 	}
 
-#if defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
-	if (port->mapbase == 0)
+	if (port->flags & UPF_IOREMAP && !port->membase) {
+#if defined(CONFIG_SUPERH64)
 		port->mapbase = onchip_remap(SCIF_ADDR_SH5, 1024, "SCIF");
-
-	port->membase = (void __iomem *)port->mapbase;
+		port->membase = (void __iomem *)port->mapbase;
+#else
+		port->membase = ioremap_nocache(port->mapbase, 0x40);
 #endif
+
+		printk(KERN_ERR "sci: can't remap port#%d\n", port->line);
+	}
 }
 
 static int sci_verify_port(struct uart_port *port, struct serial_struct *ser)
@@ -1436,7 +1441,7 @@ static struct uart_driver sci_uart_driver = {
 static int __devinit sci_probe(struct platform_device *dev)
 {
 	struct plat_sci_port *p = dev->dev.platform_data;
-	int i;
+	int i, ret = -EINVAL;
 
 	for (i = 0; p && p->flags != 0; p++, i++) {
 		struct sci_port *sciport = &sci_ports[i];
@@ -1453,12 +1458,22 @@ static int __devinit sci_probe(struct platform_device *dev)
 
 		sciport->port.mapbase	= p->mapbase;
 
-		/*
-		 * For the simple (and majority of) cases where we don't need
-		 * to do any remapping, just cast the cookie directly.
-		 */
-		if (p->mapbase && !p->membase && !(p->flags & UPF_IOREMAP))
-			p->membase = (void __iomem *)p->mapbase;
+		if (p->mapbase && !p->membase) {
+			if (p->flags & UPF_IOREMAP) {
+				p->membase = ioremap_nocache(p->mapbase, 0x40);
+				if (IS_ERR(p->membase)) {
+					ret = PTR_ERR(p->membase);
+					goto err_unreg;
+				}
+			} else {
+				/*
+				 * For the simple (and majority of) cases
+				 * where we don't need to do any remapping,
+				 * just cast the cookie directly.
+				 */
+				p->membase = (void __iomem *)p->mapbase;
+			}
+		}
 
 		sciport->port.membase	= p->membase;
 
@@ -1489,6 +1504,12 @@ static int __devinit sci_probe(struct platform_device *dev)
 #endif
 
 	return 0;
+
+err_unreg:
+	for (i = i - 1; i >= 0; i--)
+		uart_remove_one_port(&sci_uart_driver, &sci_ports[i].port);
+
+	return ret;
 }
 
 static int __devexit sci_remove(struct platform_device *dev)
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 8a0749e34ca..2b4c1dff1e8 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -320,18 +320,16 @@
 #define SCI_EVENT_WRITE_WAKEUP	0
 
 #define SCI_IN(size, offset)					\
-  unsigned int addr = port->mapbase + (offset);			\
   if ((size) == 8) {						\
-    return ctrl_inb(addr);					\
+    return ioread8(port->membase + (offset));			\
   } else {							\
-    return ctrl_inw(addr);					\
+    return ioread16(port->membase + (offset));			\
   }
 #define SCI_OUT(size, offset, value)				\
-  unsigned int addr = port->mapbase + (offset);			\
   if ((size) == 8) {						\
-    ctrl_outb(value, addr);					\
+    iowrite8(value, port->membase + (offset));			\
   } else if ((size) == 16) {					\
-    ctrl_outw(value, addr);					\
+    iowrite16(value, port->membase + (offset));			\
   }
 
 #define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
-- 
GitLab


From bbfbd8b151fe35c9a1180a7f5254c5d6b8387cc0 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 1 Oct 2008 16:13:54 +0900
Subject: [PATCH 0290/2224] sh: Move the shared INTC code out to drivers/sh/

The INTC code will be re-used across different architectures, so move
this out to drivers/sh/ and include/linux/sh_intc.h respectively.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/hw_irq.h                  | 92 +------------------
 arch/sh/kernel/cpu/irq/Makefile               |  2 -
 drivers/sh/Makefile                           |  2 +-
 {arch/sh/kernel/cpu/irq => drivers/sh}/intc.c |  1 +
 include/linux/sh_intc.h                       | 91 ++++++++++++++++++
 5 files changed, 95 insertions(+), 93 deletions(-)
 rename {arch/sh/kernel/cpu/irq => drivers/sh}/intc.c (99%)
 create mode 100644 include/linux/sh_intc.h

diff --git a/arch/sh/include/asm/hw_irq.h b/arch/sh/include/asm/hw_irq.h
index d557b00111b..603cdde813d 100644
--- a/arch/sh/include/asm/hw_irq.h
+++ b/arch/sh/include/asm/hw_irq.h
@@ -2,6 +2,7 @@
 #define __ASM_SH_HW_IRQ_H
 
 #include <linux/init.h>
+#include <linux/sh_intc.h>
 #include <asm/atomic.h>
 
 extern atomic_t irq_err_count;
@@ -23,101 +24,12 @@ struct ipr_desc {
 
 void register_ipr_controller(struct ipr_desc *);
 
-typedef unsigned char intc_enum;
-
-struct intc_vect {
-	intc_enum enum_id;
-	unsigned short vect;
-};
-
-#define INTC_VECT(enum_id, vect) { enum_id, vect }
-#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
-
-struct intc_group {
-	intc_enum enum_id;
-	intc_enum enum_ids[32];
-};
-
-#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
-
-struct intc_mask_reg {
-	unsigned long set_reg, clr_reg, reg_width;
-	intc_enum enum_ids[32];
-#ifdef CONFIG_SMP
-	unsigned long smp;
-#endif
-};
-
-struct intc_prio_reg {
-	unsigned long set_reg, clr_reg, reg_width, field_width;
-	intc_enum enum_ids[16];
-#ifdef CONFIG_SMP
-	unsigned long smp;
-#endif
-};
-
-struct intc_sense_reg {
-	unsigned long reg, reg_width, field_width;
-	intc_enum enum_ids[16];
-};
-
-#ifdef CONFIG_SMP
-#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
-#else
-#define INTC_SMP(stride, nr)
-#endif
-
-struct intc_desc {
-	struct intc_vect *vectors;
-	unsigned int nr_vectors;
-	struct intc_group *groups;
-	unsigned int nr_groups;
-	struct intc_mask_reg *mask_regs;
-	unsigned int nr_mask_regs;
-	struct intc_prio_reg *prio_regs;
-	unsigned int nr_prio_regs;
-	struct intc_sense_reg *sense_regs;
-	unsigned int nr_sense_regs;
-	char *name;
-#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
-	struct intc_mask_reg *ack_regs;
-	unsigned int nr_ack_regs;
-#endif
-};
-
-#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
-#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups,		\
-	mask_regs, prio_regs, sense_regs)				\
-struct intc_desc symbol __initdata = {					\
-	_INTC_ARRAY(vectors), _INTC_ARRAY(groups),			\
-	_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),			\
-	_INTC_ARRAY(sense_regs),					\
-	chipname,							\
-}
-
-#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
-#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups,	\
-	mask_regs, prio_regs, sense_regs, ack_regs)			\
-struct intc_desc symbol __initdata = {					\
-	_INTC_ARRAY(vectors), _INTC_ARRAY(groups),			\
-	_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),			\
-	_INTC_ARRAY(sense_regs),					\
-	chipname,							\
-	_INTC_ARRAY(ack_regs),						\
-}
-#endif
-
-void __init register_intc_controller(struct intc_desc *desc);
-int intc_set_priority(unsigned int irq, unsigned int prio);
-
 void __init plat_irq_setup(void);
-#ifdef CONFIG_CPU_SH3
 void __init plat_irq_setup_sh3(void);
-#endif
+void __init plat_irq_setup_pins(int mode);
 
 enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
        IRQ_MODE_IRL7654_MASK, IRQ_MODE_IRL3210_MASK,
        IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
-void __init plat_irq_setup_pins(int mode);
 
 #endif /* __ASM_SH_HW_IRQ_H */
diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index 462a8f6dfee..f0c7025a67d 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -1,8 +1,6 @@
 #
 # Makefile for the Linux/SuperH CPU-specifc IRQ handlers.
 #
-obj-y	+= intc.o
-
 obj-$(CONFIG_SUPERH32)			+= imask.o
 obj-$(CONFIG_CPU_SH5)			+= intc-sh5.o
 obj-$(CONFIG_CPU_HAS_IPR_IRQ)		+= ipr.o
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index a96f4a8cfeb..6a025cefe6d 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -1,6 +1,6 @@
 #
 # Makefile for the SuperH specific drivers.
 #
-
 obj-$(CONFIG_SUPERHYWAY)	+= superhyway/
 obj-$(CONFIG_MAPLE)		+= maple/
+obj-y				+= intc.o
diff --git a/arch/sh/kernel/cpu/irq/intc.c b/drivers/sh/intc.c
similarity index 99%
rename from arch/sh/kernel/cpu/irq/intc.c
rename to drivers/sh/intc.c
index 138efa4e95d..58d24c5a76c 100644
--- a/arch/sh/kernel/cpu/irq/intc.c
+++ b/drivers/sh/intc.c
@@ -21,6 +21,7 @@
 #include <linux/io.h>
 #include <linux/interrupt.h>
 #include <linux/bootmem.h>
+#include <linux/sh_intc.h>
 
 #define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
 	((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
new file mode 100644
index 00000000000..68e212ff9dd
--- /dev/null
+++ b/include/linux/sh_intc.h
@@ -0,0 +1,91 @@
+#ifndef __SH_INTC_H
+#define __SH_INTC_H
+
+typedef unsigned char intc_enum;
+
+struct intc_vect {
+	intc_enum enum_id;
+	unsigned short vect;
+};
+
+#define INTC_VECT(enum_id, vect) { enum_id, vect }
+#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
+
+struct intc_group {
+	intc_enum enum_id;
+	intc_enum enum_ids[32];
+};
+
+#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
+
+struct intc_mask_reg {
+	unsigned long set_reg, clr_reg, reg_width;
+	intc_enum enum_ids[32];
+#ifdef CONFIG_SMP
+	unsigned long smp;
+#endif
+};
+
+struct intc_prio_reg {
+	unsigned long set_reg, clr_reg, reg_width, field_width;
+	intc_enum enum_ids[16];
+#ifdef CONFIG_SMP
+	unsigned long smp;
+#endif
+};
+
+struct intc_sense_reg {
+	unsigned long reg, reg_width, field_width;
+	intc_enum enum_ids[16];
+};
+
+#ifdef CONFIG_SMP
+#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
+#else
+#define INTC_SMP(stride, nr)
+#endif
+
+struct intc_desc {
+	struct intc_vect *vectors;
+	unsigned int nr_vectors;
+	struct intc_group *groups;
+	unsigned int nr_groups;
+	struct intc_mask_reg *mask_regs;
+	unsigned int nr_mask_regs;
+	struct intc_prio_reg *prio_regs;
+	unsigned int nr_prio_regs;
+	struct intc_sense_reg *sense_regs;
+	unsigned int nr_sense_regs;
+	char *name;
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+	struct intc_mask_reg *ack_regs;
+	unsigned int nr_ack_regs;
+#endif
+};
+
+#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
+#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups,		\
+	mask_regs, prio_regs, sense_regs)				\
+struct intc_desc symbol __initdata = {					\
+	_INTC_ARRAY(vectors), _INTC_ARRAY(groups),			\
+	_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),			\
+	_INTC_ARRAY(sense_regs),					\
+	chipname,							\
+}
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups,	\
+	mask_regs, prio_regs, sense_regs, ack_regs)			\
+struct intc_desc symbol __initdata = {					\
+	_INTC_ARRAY(vectors), _INTC_ARRAY(groups),			\
+	_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),			\
+	_INTC_ARRAY(sense_regs),					\
+	chipname,							\
+	_INTC_ARRAY(ack_regs),						\
+}
+#endif
+
+void __init register_intc_controller(struct intc_desc *desc);
+int intc_set_priority(unsigned int irq, unsigned int prio);
+
+#endif /* __SH_INTC_H */
-- 
GitLab


From 225c9a8d1da274bf23efec43ec28b1c9e45e12f8 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 1 Oct 2008 16:24:32 +0900
Subject: [PATCH 0291/2224] video: sh_mobile_lcdcfb: Support HAVE_CLK=n
 configurations.

This provides a workaround for users of sh_mobile_lcdcfb that don't
define HAVE_CLK and have otherwise sane clock initialization.

At the same time, move the sh_mobile_lcdc.h header to include/video/.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-ap325rxa.c                         | 2 +-
 arch/sh/boards/mach-migor/lcd_qvga.c                    | 2 +-
 arch/sh/boards/mach-migor/setup.c                       | 2 +-
 arch/sh/include/asm/migor.h                             | 2 +-
 drivers/video/sh_mobile_lcdcfb.c                        | 8 +++++++-
 {arch/sh/include/asm => include/video}/sh_mobile_lcdc.h | 0
 6 files changed, 11 insertions(+), 5 deletions(-)
 rename {arch/sh/include/asm => include/video}/sh_mobile_lcdc.h (100%)

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 00e632fc068..7ae8dcddfeb 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -20,7 +20,7 @@
 #include <linux/smc911x.h>
 #include <media/soc_camera_platform.h>
 #include <media/sh_mobile_ceu.h>
-#include <asm/sh_mobile_lcdc.h>
+#include <video/sh_mobile_lcdc.h>
 #include <asm/io.h>
 #include <asm/clock.h>
 
diff --git a/arch/sh/boards/mach-migor/lcd_qvga.c b/arch/sh/boards/mach-migor/lcd_qvga.c
index 6e960959644..735326c0449 100644
--- a/arch/sh/boards/mach-migor/lcd_qvga.c
+++ b/arch/sh/boards/mach-migor/lcd_qvga.c
@@ -17,7 +17,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <asm/sh_mobile_lcdc.h>
+#include <video/sh_mobile_lcdc.h>
 #include <asm/migor.h>
 
 /* LCD Module is a PH240320T according to board schematics. This module
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 714dce91cc9..f27475d2fa0 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -19,11 +19,11 @@
 #include <linux/clk.h>
 #include <media/soc_camera_platform.h>
 #include <media/sh_mobile_ceu.h>
+#include <video/sh_mobile_lcdc.h>
 #include <asm/clock.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
 #include <asm/sh_keysc.h>
-#include <asm/sh_mobile_lcdc.h>
 #include <asm/migor.h>
 
 /* Address     IRQ  Size  Bus  Description
diff --git a/arch/sh/include/asm/migor.h b/arch/sh/include/asm/migor.h
index c12b632c540..70596d38fd6 100644
--- a/arch/sh/include/asm/migor.h
+++ b/arch/sh/include/asm/migor.h
@@ -54,7 +54,7 @@
 
 #define BSC_CS6ABCR 0xfec1001c
 
-#include <asm/sh_mobile_lcdc.h>
+#include <video/sh_mobile_lcdc.h>
 
 int migor_lcd_qvga_setup(void *board_data, void *sys_ops_handle,
 			 struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 4c32c06579a..b7468bacce8 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -16,7 +16,7 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
-#include <asm/sh_mobile_lcdc.h>
+#include <video/sh_mobile_lcdc.h>
 
 #define PALETTE_NR 16
 
@@ -34,7 +34,9 @@ struct sh_mobile_lcdc_chan {
 
 struct sh_mobile_lcdc_priv {
 	void __iomem *base;
+#ifdef CONFIG_HAVE_CLK
 	struct clk *clk;
+#endif
 	unsigned long lddckr;
 	struct sh_mobile_lcdc_chan ch[2];
 };
@@ -422,6 +424,7 @@ static int sh_mobile_lcdc_setup_clocks(struct device *dev, int clock_source,
 
 	priv->lddckr = icksel << 16;
 
+#ifdef CONFIG_HAVE_CLK
 	if (str) {
 		priv->clk = clk_get(dev, str);
 		if (IS_ERR(priv->clk)) {
@@ -431,6 +434,7 @@ static int sh_mobile_lcdc_setup_clocks(struct device *dev, int clock_source,
 
 		clk_enable(priv->clk);
 	}
+#endif
 
 	return 0;
 }
@@ -688,10 +692,12 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
 		fb_dealloc_cmap(&info->cmap);
 	}
 
+#ifdef CONFIG_HAVE_CLK
 	if (priv->clk) {
 		clk_disable(priv->clk);
 		clk_put(priv->clk);
 	}
+#endif
 
 	if (priv->base)
 		iounmap(priv->base);
diff --git a/arch/sh/include/asm/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h
similarity index 100%
rename from arch/sh/include/asm/sh_mobile_lcdc.h
rename to include/video/sh_mobile_lcdc.h
-- 
GitLab


From 0c5d1eb77a8be917b638344a22afe1398236482b Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Wed, 1 Oct 2008 14:46:18 -0700
Subject: [PATCH 0292/2224] genirq: record trigger type

Genirq hasn't previously recorded the trigger type used by any given IRQ,
although some irq_chip support has done so.  That data can be useful when
troubleshooting.  This patch records it in the relevant irq_desc.status
bits, and improves consistency between the two driver-visible calls
affected:

 - Make set_irq_type() usage match request_irq() usage:
    * IRQ_TYPE_NONE should be a NOP; succeed, so irq_chip methods
      won't have to handle that case any more (many do it wrong).
    * IRQ_TYPE_PROBE is ignored; any buggy out-of-tree callers
      might need to switch over to the real IRQ probing code.
    * emit the same diagnostics (from shared utility code)

 - Their kerneldoc now reflects usage:
    * request_irq() flags include IRQF_TRIGGER_* to specify
      active edge(s)/level ... docs previously omitted that
    * set_irq_type() is declared in <linux/irq.h> so callers
      should use the (bit-equivalent) IRQ_TYPE_* symbols there

Also: adds a warning about shared IRQs that don't end up using the
requested trigger mode; and fix an unrelated "sparse" warning.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/chip.c      | 15 ++++++++-------
 kernel/irq/internals.h |  3 +++
 kernel/irq/manage.c    | 21 ++++++++++++++++++---
 3 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index d663338cb4a..5203a599d21 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -111,9 +111,9 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 EXPORT_SYMBOL(set_irq_chip);
 
 /**
- *	set_irq_type - set the irq type for an irq
+ *	set_irq_type - set the irq trigger type for an irq
  *	@irq:	irq number
- *	@type:	interrupt type - see include/linux/interrupt.h
+ *	@type:	IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h
  */
 int set_irq_type(unsigned int irq, unsigned int type)
 {
@@ -127,11 +127,12 @@ int set_irq_type(unsigned int irq, unsigned int type)
 	}
 
 	desc = irq_desc + irq;
-	if (desc->chip->set_type) {
-		spin_lock_irqsave(&desc->lock, flags);
-		ret = desc->chip->set_type(irq, type);
-		spin_unlock_irqrestore(&desc->lock, flags);
-	}
+	if (type == IRQ_TYPE_NONE)
+		return 0;
+
+	spin_lock_irqsave(&desc->lock, flags);
+	ret = __irq_set_trigger(desc, irq, flags);
+	spin_unlock_irqrestore(&desc->lock, flags);
 	return ret;
 }
 EXPORT_SYMBOL(set_irq_type);
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 08a849a2244..422dd00c8bd 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -10,6 +10,9 @@ extern void irq_chip_set_defaults(struct irq_chip *chip);
 /* Set default handler: */
 extern void compat_irq_chip_set_default_handler(struct irq_desc *desc);
 
+extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
+		unsigned long flags);
+
 #ifdef CONFIG_PROC_FS
 extern void register_irq_proc(unsigned int irq);
 extern void register_handler_proc(unsigned int irq, struct irqaction *action);
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index d62f69ba745..e59157b591f 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -216,7 +216,7 @@ void enable_irq(unsigned int irq)
 }
 EXPORT_SYMBOL(enable_irq);
 
-int set_irq_wake_real(unsigned int irq, unsigned int on)
+static int set_irq_wake_real(unsigned int irq, unsigned int on)
 {
 	struct irq_desc *desc = irq_desc + irq;
 	int ret = -ENXIO;
@@ -305,10 +305,11 @@ void compat_irq_chip_set_default_handler(struct irq_desc *desc)
 		desc->handle_irq = NULL;
 }
 
-static int __irq_set_trigger(struct irq_chip *chip, unsigned int irq,
+int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
 		unsigned long flags)
 {
 	int ret;
+	struct irq_chip *chip = desc->chip;
 
 	if (!chip || !chip->set_type) {
 		/*
@@ -326,6 +327,11 @@ static int __irq_set_trigger(struct irq_chip *chip, unsigned int irq,
 		pr_err("setting trigger mode %d for irq %u failed (%pF)\n",
 				(int)(flags & IRQF_TRIGGER_MASK),
 				irq, chip->set_type);
+	else {
+		/* note that IRQF_TRIGGER_MASK == IRQ_TYPE_SENSE_MASK */
+		desc->status &= ~IRQ_TYPE_SENSE_MASK;
+		desc->status |= flags & IRQ_TYPE_SENSE_MASK;
+	}
 
 	return ret;
 }
@@ -404,7 +410,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 
 		/* Setup the type (level, edge polarity) if configured: */
 		if (new->flags & IRQF_TRIGGER_MASK) {
-			ret = __irq_set_trigger(desc->chip, irq, new->flags);
+			ret = __irq_set_trigger(desc, irq, new->flags);
 
 			if (ret) {
 				spin_unlock_irqrestore(&desc->lock, flags);
@@ -430,6 +436,14 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 
 		/* Set default affinity mask once everything is setup */
 		irq_select_affinity(irq);
+
+	} else if ((new->flags & IRQF_TRIGGER_MASK)
+			&& (new->flags & IRQF_TRIGGER_MASK)
+				!= (desc->status & IRQ_TYPE_SENSE_MASK)) {
+		/* hope the handler works with the actual trigger mode... */
+		pr_warning("IRQ %d uses trigger mode %d; requested %d\n",
+				irq, (int)(desc->status & IRQ_TYPE_SENSE_MASK),
+				(int)(new->flags & IRQF_TRIGGER_MASK));
 	}
 
 	*p = new;
@@ -586,6 +600,7 @@ EXPORT_SYMBOL(free_irq);
  *	IRQF_SHARED		Interrupt is shared
  *	IRQF_DISABLED	Disable local interrupts while processing
  *	IRQF_SAMPLE_RANDOM	The interrupt can be used for entropy
+ *	IRQF_TRIGGER_*		Specify active edge(s) or level
  *
  */
 int request_irq(unsigned int irq, irq_handler_t handler,
-- 
GitLab


From a2159b52219870553fd67e6456f41cd5225c46c6 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 2 Oct 2008 19:09:13 +0900
Subject: [PATCH 0293/2224] serial: sh-sci: Dynamic clock management depends on
 HAVE_CLK.

Presently this is conditionalized on sh, and disabled for sh64.
Now that SH-5 ties in to the clock framework, the sh64 exception
can be dropped. Additionally, ARM will want to use the same hooks
once SH-Mobile G3 grows clock framework support, so switch these
paths over to HAVE_CLK now.

Once the H8 and ARM sh-sci users hook up HAVE_CLK, the driver can
be switched over to having an outright dependency on it and the
ifdefs can go away.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/serial/sh-sci.c | 43 ++++++++++++++---------------------------
 drivers/serial/sh-sci.h |  4 +---
 2 files changed, 16 insertions(+), 31 deletions(-)

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index f5aebc9f27e..5bb57154855 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -78,7 +78,7 @@ struct sci_port {
 	struct timer_list	break_timer;
 	int			break_flag;
 
-#ifdef CONFIG_SUPERH
+#ifdef CONFIG_HAVE_CLK
 	/* Port clock */
 	struct clk		*clk;
 #endif
@@ -831,7 +831,7 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 	return IRQ_HANDLED;
 }
 
-#ifdef CONFIG_CPU_FREQ
+#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_HAVE_CLK)
 /*
  * Here we define a transistion notifier so that we can update all of our
  * ports' baud rate when the peripheral clock changes.
@@ -860,7 +860,7 @@ static int sci_notifier(struct notifier_block *self,
 			 * Clean this up later..
 			 */
 			clk = clk_get(NULL, "module_clk");
-			port->uartclk = clk_get_rate(clk) * 16;
+			port->uartclk = clk_get_rate(clk);
 			clk_put(clk);
 		}
 
@@ -873,7 +873,7 @@ static int sci_notifier(struct notifier_block *self,
 }
 
 static struct notifier_block sci_nb = { &sci_notifier, NULL, 0 };
-#endif /* CONFIG_CPU_FREQ */
+#endif /* CONFIG_CPU_FREQ && CONFIG_HAVE_CLK */
 
 static int sci_request_irq(struct sci_port *port)
 {
@@ -1008,7 +1008,7 @@ static int sci_startup(struct uart_port *port)
 	if (s->enable)
 		s->enable(port);
 
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+#ifdef CONFIG_HAVE_CLK
 	s->clk = clk_get(NULL, "module_clk");
 #endif
 
@@ -1030,7 +1030,7 @@ static void sci_shutdown(struct uart_port *port)
 	if (s->disable)
 		s->disable(port);
 
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+#ifdef CONFIG_HAVE_CLK
 	clk_put(s->clk);
 	s->clk = NULL;
 #endif
@@ -1041,24 +1041,11 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 {
 	struct sci_port *s = &sci_ports[port->line];
 	unsigned int status, baud, smr_val;
-	int t;
+	int t = -1;
 
 	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
-
-	switch (baud) {
-		case 0:
-			t = -1;
-			break;
-		default:
-		{
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
-			t = SCBRR_VALUE(baud, clk_get_rate(s->clk));
-#else
-			t = SCBRR_VALUE(baud);
-#endif
-			break;
-		}
-	}
+	if (likely(baud))
+		t = SCBRR_VALUE(baud, port->uartclk);
 
 	do {
 		status = sci_in(port, SCxSR);
@@ -1207,17 +1194,17 @@ static void __init sci_init_ports(void)
 		sci_ports[i].disable	= h8300_sci_disable;
 #endif
 		sci_ports[i].port.uartclk = CONFIG_CPU_CLOCK;
-#elif defined(CONFIG_SUPERH64)
-		sci_ports[i].port.uartclk = current_cpu_data.module_clock * 16;
-#else
+#elif defined(CONFIG_HAVE_CLK)
 		/*
 		 * XXX: We should use a proper SCI/SCIF clock
 		 */
 		{
 			struct clk *clk = clk_get(NULL, "module_clk");
-			sci_ports[i].port.uartclk = clk_get_rate(clk) * 16;
+			sci_ports[i].port.uartclk = clk_get_rate(clk);
 			clk_put(clk);
 		}
+#else
+#error "Need a valid uartclk"
 #endif
 
 		sci_ports[i].break_timer.data = (unsigned long)&sci_ports[i];
@@ -1285,7 +1272,7 @@ static int __init serial_console_setup(struct console *co, char *options)
 
 	port->type = serial_console_port->type;
 
-#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+#ifdef CONFIG_HAVE_CLK
 	if (!serial_console_port->clk)
 		serial_console_port->clk = clk_get(NULL, "module_clk");
 #endif
@@ -1479,7 +1466,7 @@ static int __devinit sci_probe(struct platform_device *dev)
 	kgdb_putchar	= kgdb_sci_putchar;
 #endif
 
-#ifdef CONFIG_CPU_FREQ
+#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_HAVE_CLK)
 	cpufreq_register_notifier(&sci_nb, CPUFREQ_TRANSITION_NOTIFIER);
 	dev_info(&dev->dev, "CPU frequency notifier registered\n");
 #endif
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 8a0749e34ca..b3d906bfbd8 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -793,9 +793,7 @@ static inline int sci_rxd_in(struct uart_port *port)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723)
 #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(16*bps)-1)
 #elif defined(__H8300H__) || defined(__H8300S__)
-#define SCBRR_VALUE(bps) (((CONFIG_CPU_CLOCK*1000/32)/bps)-1)
-#elif defined(CONFIG_SUPERH64)
-#define SCBRR_VALUE(bps) ((current_cpu_data.module_clock+16*bps)/(32*bps)-1)
+#define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1)
 #else /* Generic SH */
 #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)
 #endif
-- 
GitLab


From 14866543ad22014a0b12e10657a917eb6b487248 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Sat, 4 Oct 2008 05:25:52 +0900
Subject: [PATCH 0294/2224] sh: More I/O routine overhauling.

This tidies up a lot of the PIO/MMIO split. No in-tree platforms were
making use of the MMIO overloading through the machvec (nor have any of
them been in some time), so we just kill all of that off. The ISA I/O
routine wrapping remains unaffected, which remains the only special
casing outside of the iomap API that boards need to think about.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/io.h         | 257 ++++++++++++-------------------
 arch/sh/include/asm/io_generic.h |   7 -
 arch/sh/include/asm/machvec.h    |   7 -
 arch/sh/kernel/io.c              |  12 +-
 arch/sh/kernel/io_generic.c      |  61 ++------
 arch/sh/kernel/machvec.c         |   3 -
 6 files changed, 115 insertions(+), 232 deletions(-)

diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index d9e794eff83..436c2853957 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -1,27 +1,26 @@
 #ifndef __ASM_SH_IO_H
 #define __ASM_SH_IO_H
-
 /*
  * Convention:
- *    read{b,w,l}/write{b,w,l} are for PCI,
+ *    read{b,w,l,q}/write{b,w,l,q} are for PCI,
  *    while in{b,w,l}/out{b,w,l} are for ISA
- * These may (will) be platform specific function.
+ *
  * In addition we have 'pausing' versions: in{b,w,l}_p/out{b,w,l}_p
  * and 'string' versions: ins{b,w,l}/outs{b,w,l}
- * For read{b,w,l} and write{b,w,l} there are also __raw versions, which
- * do not have a memory barrier after them.
  *
- * In addition, we have
- *   ctrl_in{b,w,l}/ctrl_out{b,w,l} for SuperH specific I/O.
- *   which are processor specific.
- */
-
-/*
- * We follow the Alpha convention here:
- *  __inb expands to an inline function call (which calls via the mv)
- *  _inb  is a real function call (note ___raw fns are _ version of __raw)
- *  inb   by default expands to _inb, but the machine specific code may
- *        define it to __inb if it chooses.
+ * While read{b,w,l,q} and write{b,w,l,q} contain memory barriers
+ * automatically, there are also __raw versions, which do not.
+ *
+ * Historically, we have also had ctrl_in{b,w,l,q}/ctrl_out{b,w,l,q} for
+ * SuperH specific I/O (raw I/O to on-chip CPU peripherals). In practice
+ * these have the same semantics as the __raw variants, and as such, all
+ * new code should be using the __raw versions.
+ *
+ * All ISA I/O routines are wrapped through the machine vector. If a
+ * board does not provide overrides, a generic set that are copied in
+ * from the default machine vector are used instead. These are largely
+ * for old compat code for I/O offseting to SuperIOs, all of which are
+ * better handled through the machvec ioport mapping routines these days.
  */
 #include <asm/cache.h>
 #include <asm/system.h>
@@ -31,7 +30,6 @@
 #include <asm-generic/iomap.h>
 
 #ifdef __KERNEL__
-
 /*
  * Depending on which platform we are running on, we need different
  * I/O functions.
@@ -40,90 +38,64 @@
 #include <asm/io_generic.h>
 #include <asm/io_trapped.h>
 
-#define maybebadio(port) \
-  printk(KERN_ERR "bad PC-like io %s:%u for port 0x%lx at 0x%08x\n", \
-	 __FUNCTION__, __LINE__, (port), (u32)__builtin_return_address(0))
+#define inb(p)			sh_mv.mv_inb((p))
+#define inw(p)			sh_mv.mv_inw((p))
+#define inl(p)			sh_mv.mv_inl((p))
+#define outb(x,p)		sh_mv.mv_outb((x),(p))
+#define outw(x,p)		sh_mv.mv_outw((x),(p))
+#define outl(x,p)		sh_mv.mv_outl((x),(p))
+
+#define inb_p(p)		sh_mv.mv_inb_p((p))
+#define inw_p(p)		sh_mv.mv_inw_p((p))
+#define inl_p(p)		sh_mv.mv_inl_p((p))
+#define outb_p(x,p)		sh_mv.mv_outb_p((x),(p))
+#define outw_p(x,p)		sh_mv.mv_outw_p((x),(p))
+#define outl_p(x,p)		sh_mv.mv_outl_p((x),(p))
+
+#define insb(p,b,c)		sh_mv.mv_insb((p), (b), (c))
+#define insw(p,b,c)		sh_mv.mv_insw((p), (b), (c))
+#define insl(p,b,c)		sh_mv.mv_insl((p), (b), (c))
+#define outsb(p,b,c)		sh_mv.mv_outsb((p), (b), (c))
+#define outsw(p,b,c)		sh_mv.mv_outsw((p), (b), (c))
+#define outsl(p,b,c)		sh_mv.mv_outsl((p), (b), (c))
+
+#define __raw_writeb(v,a)	(__chk_io_ptr(a), *(volatile u8  __force *)(a) = (v))
+#define __raw_writew(v,a)	(__chk_io_ptr(a), *(volatile u16 __force *)(a) = (v))
+#define __raw_writel(v,a)	(__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v))
+#define __raw_writeq(v,a)	(__chk_io_ptr(a), *(volatile u64 __force *)(a) = (v))
+
+#define __raw_readb(a)		(__chk_io_ptr(a), *(volatile u8  __force *)(a))
+#define __raw_readw(a)		(__chk_io_ptr(a), *(volatile u16 __force *)(a))
+#define __raw_readl(a)		(__chk_io_ptr(a), *(volatile u32 __force *)(a))
+#define __raw_readq(a)		(__chk_io_ptr(a), *(volatile u64 __force *)(a))
+
+#define readb(a)		({ u8  r_ = __raw_readb(a); mb(); r_; })
+#define readw(a)		({ u16 r_ = __raw_readw(a); mb(); r_; })
+#define readl(a)		({ u32 r_ = __raw_readl(a); mb(); r_; })
+#define readq(a)		({ u64 r_ = __raw_readq(a); mb(); r_; })
+
+#define writeb(v,a)		({ __raw_writeb((v),(a)); mb(); })
+#define writew(v,a)		({ __raw_writew((v),(a)); mb(); })
+#define writel(v,a)		({ __raw_writel((v),(a)); mb(); })
+#define writeq(v,a)		({ __raw_writeq((v),(a)); mb(); })
 
-/*
- * Since boards are able to define their own set of I/O routines through
- * their respective machine vector, we always wrap through the mv.
- *
- * Also, in the event that a board hasn't provided its own definition for
- * a given routine, it will be wrapped to generic code at run-time.
- */
-
-#define __inb(p)	sh_mv.mv_inb((p))
-#define __inw(p)	sh_mv.mv_inw((p))
-#define __inl(p)	sh_mv.mv_inl((p))
-#define __outb(x,p)	sh_mv.mv_outb((x),(p))
-#define __outw(x,p)	sh_mv.mv_outw((x),(p))
-#define __outl(x,p)	sh_mv.mv_outl((x),(p))
-
-#define __inb_p(p)	sh_mv.mv_inb_p((p))
-#define __inw_p(p)	sh_mv.mv_inw_p((p))
-#define __inl_p(p)	sh_mv.mv_inl_p((p))
-#define __outb_p(x,p)	sh_mv.mv_outb_p((x),(p))
-#define __outw_p(x,p)	sh_mv.mv_outw_p((x),(p))
-#define __outl_p(x,p)	sh_mv.mv_outl_p((x),(p))
-
-#define __insb(p,b,c)	sh_mv.mv_insb((p), (b), (c))
-#define __insw(p,b,c)	sh_mv.mv_insw((p), (b), (c))
-#define __insl(p,b,c)	sh_mv.mv_insl((p), (b), (c))
-#define __outsb(p,b,c)	sh_mv.mv_outsb((p), (b), (c))
-#define __outsw(p,b,c)	sh_mv.mv_outsw((p), (b), (c))
-#define __outsl(p,b,c)	sh_mv.mv_outsl((p), (b), (c))
-
-#define __readb(a)	sh_mv.mv_readb((a))
-#define __readw(a)	sh_mv.mv_readw((a))
-#define __readl(a)	sh_mv.mv_readl((a))
-#define __writeb(v,a)	sh_mv.mv_writeb((v),(a))
-#define __writew(v,a)	sh_mv.mv_writew((v),(a))
-#define __writel(v,a)	sh_mv.mv_writel((v),(a))
-
-#define inb		__inb
-#define inw		__inw
-#define inl		__inl
-#define outb		__outb
-#define outw		__outw
-#define outl		__outl
-
-#define inb_p		__inb_p
-#define inw_p		__inw_p
-#define inl_p		__inl_p
-#define outb_p		__outb_p
-#define outw_p		__outw_p
-#define outl_p		__outl_p
-
-#define insb		__insb
-#define insw		__insw
-#define insl		__insl
-#define outsb		__outsb
-#define outsw		__outsw
-#define outsl		__outsl
-
-#define __raw_writeb(v,a)	(__chk_io_ptr(a), *(volatile unsigned char __force  *)(a) = (v))
-#define __raw_writew(v,a)	(__chk_io_ptr(a), *(volatile unsigned short __force *)(a) = (v))
-#define __raw_writel(v,a)	(__chk_io_ptr(a), *(volatile unsigned int __force   *)(a) = (v))
-
-#define __raw_readb(a)		(__chk_io_ptr(a), *(volatile unsigned char __force  *)(a))
-#define __raw_readw(a)		(__chk_io_ptr(a), *(volatile unsigned short __force *)(a))
-#define __raw_readl(a)		(__chk_io_ptr(a), *(volatile unsigned int __force   *)(a))
-
-void __raw_writesl(void __iomem *addr, const void *data, int longlen);
-void __raw_readsl(const void __iomem *addr, void *data, int longlen);
+/* SuperH on-chip I/O functions */
+#define ctrl_inb		__raw_readb
+#define ctrl_inw		__raw_readw
+#define ctrl_inl		__raw_readl
+#define ctrl_inq		__raw_readq
 
-/*
- * The platform header files may define some of these macros to use
- * the inlined versions where appropriate.  These macros may also be
- * redefined by userlevel programs.
- */
-#define readb(a)	({ unsigned int r_ = __readb(a); mb(); r_; })
-#define readw(a)	({ unsigned int r_ = __readw(a); mb(); r_; })
-#define readl(a)	({ unsigned int r_ = __readl(a); mb(); r_; })
+#define ctrl_outb		__raw_writeb
+#define ctrl_outw		__raw_writew
+#define ctrl_outl		__raw_writel
+#define ctrl_outq		__raw_writeq
 
-#define writeb(v,a)	({ __writeb((v),(a)); mb(); })
-#define writew(v,a)	({ __writew((v),(a)); mb(); })
-#define writel(v,a)	({ __writel((v),(a)); mb(); })
+static inline void ctrl_delay(void)
+{
+#ifdef P2SEG
+	__raw_readw(P2SEG);
+#endif
+}
 
 #define __BUILD_MEMORY_STRING(bwlq, type)				\
 									\
@@ -151,18 +123,23 @@ static inline void __raw_reads##bwlq(volatile void __iomem *mem,	\
 
 __BUILD_MEMORY_STRING(b, u8)
 __BUILD_MEMORY_STRING(w, u16)
+__BUILD_MEMORY_STRING(q, u64)
+
+void __raw_writesl(void __iomem *addr, const void *data, int longlen);
+void __raw_readsl(const void __iomem *addr, void *data, int longlen);
 
-#define writesb	__raw_writesb
-#define writesw	__raw_writesw
-#define writesl __raw_writesl
+#define writesb			__raw_writesb
+#define writesw			__raw_writesw
+#define writesl			__raw_writesl
 
-#define readsb	__raw_readsb
-#define readsw	__raw_readsw
-#define readsl  __raw_readsl
+#define readsb			__raw_readsb
+#define readsw			__raw_readsw
+#define readsl			__raw_readsl
 
-#define readb_relaxed(a) readb(a)
-#define readw_relaxed(a) readw(a)
-#define readl_relaxed(a) readl(a)
+#define readb_relaxed(a)	readb(a)
+#define readw_relaxed(a)	readw(a)
+#define readl_relaxed(a)	readl(a)
+#define readq_relaxed(a)	readq(a)
 
 /* Simple MMIO */
 #define ioread8(a)		__raw_readb(a)
@@ -185,15 +162,17 @@ __BUILD_MEMORY_STRING(w, u16)
 #define iowrite16_rep(a, s, c)	__raw_writesw((a), (s), (c))
 #define iowrite32_rep(a, s, c)	__raw_writesl((a), (s), (c))
 
-#define mmiowb()	wmb()	/* synco on SH-4A, otherwise a nop */
+/* synco on SH-4A, otherwise a nop */
+#define mmiowb()		wmb()
 
 #define IO_SPACE_LIMIT 0xffffffff
 
 extern unsigned long generic_io_base;
 
 /*
- * This function provides a method for the generic case where a board-specific
- * ioport_map simply needs to return the port + some arbitrary port base.
+ * This function provides a method for the generic case where a
+ * board-specific ioport_map simply needs to return the port + some
+ * arbitrary port base.
  *
  * We use this at board setup time to implicitly set the port base, and
  * as a result, we can use the generic ioport_map.
@@ -206,57 +185,9 @@ static inline void __set_io_port_base(unsigned long pbase)
 #define __ioport_map(p, n) sh_mv.mv_ioport_map((p), (n))
 
 /* We really want to try and get these to memcpy etc */
-extern void memcpy_fromio(void *, volatile void __iomem *, unsigned long);
-extern void memcpy_toio(volatile void __iomem *, const void *, unsigned long);
-extern void memset_io(volatile void __iomem *, int, unsigned long);
-
-/* SuperH on-chip I/O functions */
-static inline unsigned char ctrl_inb(unsigned long addr)
-{
-	return *(volatile unsigned char*)addr;
-}
-
-static inline unsigned short ctrl_inw(unsigned long addr)
-{
-	return *(volatile unsigned short*)addr;
-}
-
-static inline unsigned int ctrl_inl(unsigned long addr)
-{
-	return *(volatile unsigned long*)addr;
-}
-
-static inline unsigned long long ctrl_inq(unsigned long addr)
-{
-	return *(volatile unsigned long long*)addr;
-}
-
-static inline void ctrl_outb(unsigned char b, unsigned long addr)
-{
-	*(volatile unsigned char*)addr = b;
-}
-
-static inline void ctrl_outw(unsigned short b, unsigned long addr)
-{
-	*(volatile unsigned short*)addr = b;
-}
-
-static inline void ctrl_outl(unsigned int b, unsigned long addr)
-{
-        *(volatile unsigned long*)addr = b;
-}
-
-static inline void ctrl_outq(unsigned long long b, unsigned long addr)
-{
-	*(volatile unsigned long long*)addr = b;
-}
-
-static inline void ctrl_delay(void)
-{
-#ifdef P2SEG
-	ctrl_inw(P2SEG);
-#endif
-}
+void memcpy_fromio(void *, const volatile void __iomem *, unsigned long);
+void memcpy_toio(volatile void __iomem *, const void *, unsigned long);
+void memset_io(volatile void __iomem *, int, unsigned long);
 
 /* Quad-word real-mode I/O, don't ask.. */
 unsigned long long peek_real_address_q(unsigned long long addr);
@@ -347,6 +278,10 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
 #define iounmap(addr)					\
 	__iounmap((addr))
 
+#define maybebadio(port) \
+	printk(KERN_ERR "bad PC-like io %s:%u for port 0x%lx at 0x%08x\n", \
+	       __func__, __LINE__, (port), (u32)__builtin_return_address(0))
+
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
  * access
diff --git a/arch/sh/include/asm/io_generic.h b/arch/sh/include/asm/io_generic.h
index 92fc6070d7b..1e5d375f55d 100644
--- a/arch/sh/include/asm/io_generic.h
+++ b/arch/sh/include/asm/io_generic.h
@@ -33,13 +33,6 @@ void IO_CONCAT(__IO_PREFIX,outsb)(unsigned long, const void *src, unsigned long
 void IO_CONCAT(__IO_PREFIX,outsw)(unsigned long, const void *src, unsigned long count);
 void IO_CONCAT(__IO_PREFIX,outsl)(unsigned long, const void *src, unsigned long count);
 
-u8 IO_CONCAT(__IO_PREFIX,readb)(void __iomem *);
-u16 IO_CONCAT(__IO_PREFIX,readw)(void __iomem *);
-u32 IO_CONCAT(__IO_PREFIX,readl)(void __iomem *);
-void IO_CONCAT(__IO_PREFIX,writeb)(u8, void __iomem *);
-void IO_CONCAT(__IO_PREFIX,writew)(u16, void __iomem *);
-void IO_CONCAT(__IO_PREFIX,writel)(u32, void __iomem *);
-
 void *IO_CONCAT(__IO_PREFIX,ioremap)(unsigned long offset, unsigned long size);
 void IO_CONCAT(__IO_PREFIX,iounmap)(void *addr);
 
diff --git a/arch/sh/include/asm/machvec.h b/arch/sh/include/asm/machvec.h
index b2e4124070a..f1bae02ef7b 100644
--- a/arch/sh/include/asm/machvec.h
+++ b/arch/sh/include/asm/machvec.h
@@ -42,13 +42,6 @@ struct sh_machine_vector {
 	void (*mv_outsw)(unsigned long, const void *src, unsigned long count);
 	void (*mv_outsl)(unsigned long, const void *src, unsigned long count);
 
-	u8 (*mv_readb)(void __iomem *);
-	u16 (*mv_readw)(void __iomem *);
-	u32 (*mv_readl)(void __iomem *);
-	void (*mv_writeb)(u8, void __iomem *);
-	void (*mv_writew)(u16, void __iomem *);
-	void (*mv_writel)(u32, void __iomem *);
-
 	int (*mv_irq_demux)(int irq);
 
 	void (*mv_init_irq)(void);
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c
index 2b899122990..29cf4588fc0 100644
--- a/arch/sh/kernel/io.c
+++ b/arch/sh/kernel/io.c
@@ -19,12 +19,12 @@
  * Copy data from IO memory space to "real" memory space.
  * This needs to be optimized.
  */
-void memcpy_fromio(void *to, volatile void __iomem *from, unsigned long count)
+void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned long count)
 {
-	char *p = to;
+	unsigned char *p = to;
         while (count) {
                 count--;
-                *p = readb((void __iomem *)from);
+                *p = readb(from);
                 p++;
                 from++;
         }
@@ -37,10 +37,10 @@ EXPORT_SYMBOL(memcpy_fromio);
  */
 void memcpy_toio(volatile void __iomem *to, const void *from, unsigned long count)
 {
-	const char *p = from;
+	const unsigned char *p = from;
         while (count) {
                 count--;
-                writeb(*p, (void __iomem *)to);
+                writeb(*p, to);
                 p++;
                 to++;
         }
@@ -55,7 +55,7 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count)
 {
         while (count) {
                 count--;
-                writeb(c, (void __iomem *)dst);
+                writeb(c, dst);
                 dst++;
         }
 }
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c
index f1b214d3bce..5a7f554d9ca 100644
--- a/arch/sh/kernel/io_generic.c
+++ b/arch/sh/kernel/io_generic.c
@@ -19,38 +19,33 @@
 /* SH3 has a PCMCIA bug that needs a dummy read from area 6 for a
  * workaround. */
 /* I'm not sure SH7709 has this kind of bug */
-#define dummy_read()	ctrl_inb(0xba000000)
+#define dummy_read()	__raw_readb(0xba000000)
 #else
 #define dummy_read()
 #endif
 
 unsigned long generic_io_base;
 
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
-
 u8 generic_inb(unsigned long port)
 {
-	return ctrl_inb((unsigned long __force)__ioport_map(port, 1));
+	return __raw_readb(__ioport_map(port, 1));
 }
 
 u16 generic_inw(unsigned long port)
 {
-	return ctrl_inw((unsigned long __force)__ioport_map(port, 2));
+	return __raw_readw(__ioport_map(port, 2));
 }
 
 u32 generic_inl(unsigned long port)
 {
-	return ctrl_inl((unsigned long __force)__ioport_map(port, 4));
+	return __raw_readl(__ioport_map(port, 4));
 }
 
 u8 generic_inb_p(unsigned long port)
 {
 	unsigned long v = generic_inb(port);
 
-	delay();
+	ctrl_delay();
 	return v;
 }
 
@@ -58,7 +53,7 @@ u16 generic_inw_p(unsigned long port)
 {
 	unsigned long v = generic_inw(port);
 
-	delay();
+	ctrl_delay();
 	return v;
 }
 
@@ -66,7 +61,7 @@ u32 generic_inl_p(unsigned long port)
 {
 	unsigned long v = generic_inl(port);
 
-	delay();
+	ctrl_delay();
 	return v;
 }
 
@@ -112,35 +107,35 @@ void generic_insl(unsigned long port, void *dst, unsigned long count)
 
 void generic_outb(u8 b, unsigned long port)
 {
-	ctrl_outb(b, (unsigned long __force)__ioport_map(port, 1));
+	__raw_writeb(b, __ioport_map(port, 1));
 }
 
 void generic_outw(u16 b, unsigned long port)
 {
-	ctrl_outw(b, (unsigned long __force)__ioport_map(port, 2));
+	__raw_writew(b, __ioport_map(port, 2));
 }
 
 void generic_outl(u32 b, unsigned long port)
 {
-	ctrl_outl(b, (unsigned long __force)__ioport_map(port, 4));
+	__raw_writel(b, __ioport_map(port, 4));
 }
 
 void generic_outb_p(u8 b, unsigned long port)
 {
 	generic_outb(b, port);
-	delay();
+	ctrl_delay();
 }
 
 void generic_outw_p(u16 b, unsigned long port)
 {
 	generic_outw(b, port);
-	delay();
+	ctrl_delay();
 }
 
 void generic_outl_p(u32 b, unsigned long port)
 {
 	generic_outl(b, port);
-	delay();
+	ctrl_delay();
 }
 
 /*
@@ -184,36 +179,6 @@ void generic_outsl(unsigned long port, const void *src, unsigned long count)
 	dummy_read();
 }
 
-u8 generic_readb(void __iomem *addr)
-{
-	return ctrl_inb((unsigned long __force)addr);
-}
-
-u16 generic_readw(void __iomem *addr)
-{
-	return ctrl_inw((unsigned long __force)addr);
-}
-
-u32 generic_readl(void __iomem *addr)
-{
-	return ctrl_inl((unsigned long __force)addr);
-}
-
-void generic_writeb(u8 b, void __iomem *addr)
-{
-	ctrl_outb(b, (unsigned long __force)addr);
-}
-
-void generic_writew(u16 b, void __iomem *addr)
-{
-	ctrl_outw(b, (unsigned long __force)addr);
-}
-
-void generic_writel(u32 b, void __iomem *addr)
-{
-	ctrl_outl(b, (unsigned long __force)addr);
-}
-
 void __iomem *generic_ioport_map(unsigned long addr, unsigned int size)
 {
 	return (void __iomem *)(addr + generic_io_base);
diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c
index 8bfdd275e94..c1ea41e5812 100644
--- a/arch/sh/kernel/machvec.c
+++ b/arch/sh/kernel/machvec.c
@@ -126,9 +126,6 @@ void __init sh_mv_setup(void)
 	mv_set(insb);	mv_set(insw);	mv_set(insl);
 	mv_set(outsb);	mv_set(outsw);	mv_set(outsl);
 
-	mv_set(readb);	mv_set(readw);	mv_set(readl);
-	mv_set(writeb);	mv_set(writew);	mv_set(writel);
-
 	mv_set(ioport_map);
 	mv_set(ioport_unmap);
 	mv_set(irq_demux);
-- 
GitLab


From cfb361f13c8136de78c406745abc4e4456e6d480 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 18 Sep 2008 15:49:14 +0800
Subject: [PATCH 0295/2224] [IA64] utrace syscall.h support for ia64

Add asm/syscall.h for IA64. Utrace requires this.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/ptrace.h  |  6 +++
 arch/ia64/include/asm/syscall.h | 92 +++++++++++++++++++++++++++++++++
 arch/ia64/kernel/ptrace.c       | 65 +++++++++++++++++++++++
 3 files changed, 163 insertions(+)
 create mode 100644 arch/ia64/include/asm/syscall.h

diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 15f8dcfe6ee..14055c636ad 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -240,6 +240,12 @@ struct switch_stack {
  */
 # define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri)
 
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+	/* FIXME: should this be bspstore + nr_dirty regs? */
+	return regs->ar_bspstore;
+}
+
 #define regs_return_value(regs) ((regs)->r8)
 
 /* Conserve space in histogram by encoding slot bits in address
diff --git a/arch/ia64/include/asm/syscall.h b/arch/ia64/include/asm/syscall.h
new file mode 100644
index 00000000000..3fd4fa6c48d
--- /dev/null
+++ b/arch/ia64/include/asm/syscall.h
@@ -0,0 +1,92 @@
+/*
+ * Access to user system call parameters and results
+ *
+ * Copyright (C) 2008 Intel Corp.  Shaohua Li <shaohua.li@intel.com>
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ *
+ * See asm-generic/syscall.h for descriptions of what we must do here.
+ */
+
+#ifndef _ASM_SYSCALL_H
+#define _ASM_SYSCALL_H	1
+
+#include <linux/sched.h>
+#include <linux/err.h>
+
+static inline long syscall_get_nr(struct task_struct *task,
+				  struct pt_regs *regs)
+{
+	BUG_ON(IS_IA32_PROCESS(regs));
+
+	if ((long)regs->cr_ifs < 0) /* Not a syscall */
+		return -1;
+	return regs->r15;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+				    struct pt_regs *regs)
+{
+	BUG_ON(IS_IA32_PROCESS(regs));
+	/* do nothing */
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+				     struct pt_regs *regs)
+{
+	BUG_ON(IS_IA32_PROCESS(regs));
+
+	return regs->r10 == -1 ? regs->r8:0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+					    struct pt_regs *regs)
+{
+	BUG_ON(IS_IA32_PROCESS(regs));
+
+	return regs->r8;
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+					    struct pt_regs *regs,
+					    int error, long val)
+{
+	BUG_ON(IS_IA32_PROCESS(regs));
+
+	if (error) {
+		/* error < 0, but ia64 uses > 0 return value */
+		regs->r8 = -error;
+		regs->r10 = -1;
+	} else {
+		regs->r8 = val;
+		regs->r10 = 0;
+	}
+}
+
+extern void ia64_syscall_get_set_arguments(struct task_struct *task,
+	struct pt_regs *regs, unsigned int i, unsigned int n,
+	unsigned long *args, int rw);
+static inline void syscall_get_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 unsigned long *args)
+{
+	BUG_ON(IS_IA32_PROCESS(regs));
+	BUG_ON(i + n > 6);
+
+	ia64_syscall_get_set_arguments(task, regs, i, n, args, 0);
+}
+
+static inline void syscall_set_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 unsigned int i, unsigned int n,
+					 unsigned long *args)
+{
+	BUG_ON(IS_IA32_PROCESS(regs));
+	BUG_ON(i + n > 6);
+
+	ia64_syscall_get_set_arguments(task, regs, i, n, args, 1);
+}
+#endif	/* _ASM_SYSCALL_H */
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 2a9943b5947..12b1e9f0b7a 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -2199,3 +2199,68 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *tsk)
 #endif
 	return &user_ia64_view;
 }
+
+struct syscall_get_set_args {
+	unsigned int i;
+	unsigned int n;
+	unsigned long *args;
+	struct pt_regs *regs;
+	int rw;
+};
+
+static void syscall_get_set_args_cb(struct unw_frame_info *info, void *data)
+{
+	struct syscall_get_set_args *args = data;
+	struct pt_regs *pt = args->regs;
+	unsigned long *krbs, cfm, ndirty;
+	int i, count;
+
+	if (unw_unwind_to_user(info) < 0)
+		return;
+
+	cfm = pt->cr_ifs;
+	krbs = (unsigned long *)info->task + IA64_RBS_OFFSET/8;
+	ndirty = ia64_rse_num_regs(krbs, krbs + (pt->loadrs >> 19));
+
+	count = 0;
+	if (in_syscall(pt))
+		count = min_t(int, args->n, cfm & 0x7f);
+
+	for (i = 0; i < count; i++) {
+		if (args->rw)
+			*ia64_rse_skip_regs(krbs, ndirty + i + args->i) =
+				args->args[i];
+		else
+			args->args[i] = *ia64_rse_skip_regs(krbs,
+				ndirty + i + args->i);
+	}
+
+	if (!args->rw) {
+		while (i < args->n) {
+			args->args[i] = 0;
+			i++;
+		}
+	}
+}
+
+void ia64_syscall_get_set_arguments(struct task_struct *task,
+	struct pt_regs *regs, unsigned int i, unsigned int n,
+	unsigned long *args, int rw)
+{
+	struct syscall_get_set_args data = {
+		.i = i,
+		.n = n,
+		.args = args,
+		.regs = regs,
+		.rw = rw,
+	};
+
+	if (task == current)
+		unw_init_running(syscall_get_set_args_cb, &data);
+	else {
+		struct unw_frame_info ufi;
+		memset(&ufi, 0, sizeof(ufi));
+		unw_init_from_blocked_task(&ufi, task);
+		syscall_get_set_args_cb(&ufi, &data);
+	}
+}
-- 
GitLab


From f14488ccfe0f41207e40520fab60dce356ed9e57 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Mon, 6 Oct 2008 10:43:06 -0700
Subject: [PATCH 0296/2224] [IA64] utrace use generic trace hook

Make IA64 use generic trace hook in some paths.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/ia32/ia32_entry.S         |  5 +++
 arch/ia64/include/asm/thread_info.h |  3 --
 arch/ia64/kernel/entry.S            |  5 +++
 arch/ia64/kernel/perfmon.c          |  7 ++---
 arch/ia64/kernel/process.c          | 21 ++++---------
 arch/ia64/kernel/ptrace.c           | 47 +++++++++--------------------
 arch/ia64/kernel/signal.c           |  8 +++++
 7 files changed, 41 insertions(+), 55 deletions(-)

diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index ff88c48c5d1..b905dcb791f 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -108,6 +108,11 @@ GLOBAL_ENTRY(ia32_trace_syscall)
 	;;
 	st8 [r2]=r3				// initialize return code to -ENOSYS
 	br.call.sptk.few rp=syscall_trace_enter	// give parent a chance to catch syscall args
+	cmp.lt p6,p0=r8,r0			// check tracehook
+	adds r2=IA64_PT_REGS_R8_OFFSET+16,sp	// r2 = &pt_regs.r8
+	;;
+(p6)	st8.spill [r2]=r8			// store return value in slot for r8
+(p6)	br.spnt.few .ret4
 .ret2:	// Need to reload arguments (they may be changed by the tracing process)
 	adds r2=IA64_PT_REGS_R1_OFFSET+16,sp	// r2 = &pt_regs.r1
 	adds r3=IA64_PT_REGS_R13_OFFSET+16,sp	// r3 = &pt_regs.r13
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index 7c60fcdd2ef..ae6922626bf 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -87,9 +87,6 @@ struct thread_info {
 #define alloc_task_struct()	((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
 #define free_task_struct(tsk)	free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
 
-#define tsk_set_notify_resume(tsk) \
-	set_ti_thread_flag(task_thread_info(tsk), TIF_NOTIFY_RESUME)
-extern void tsk_clear_notify_resume(struct task_struct *tsk);
 #endif /* !__ASSEMBLY */
 
 /*
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 0dd6c1419d8..7ef0c594f5e 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -534,6 +534,11 @@ GLOBAL_ENTRY(ia64_trace_syscall)
  	stf.spill [r16]=f10
  	stf.spill [r17]=f11
 	br.call.sptk.many rp=syscall_trace_enter // give parent a chance to catch syscall args
+	cmp.lt p6,p0=r8,r0			// check tracehook
+	adds r2=PT(R8)+16,sp			// r2 = &pt_regs.r8
+	adds r3=PT(R10)+16,sp			// r3 = &pt_regs.r10
+	mov r10=0
+(p6)	br.cond.sptk strace_error		// syscall failed ->
 	adds r16=PT(F6)+16,sp
 	adds r17=PT(F7)+16,sp
 	;;
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index fc8f3509df2..ada4605d122 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -40,6 +40,7 @@
 #include <linux/capability.h>
 #include <linux/rcupdate.h>
 #include <linux/completion.h>
+#include <linux/tracehook.h>
 
 #include <asm/errno.h>
 #include <asm/intrinsics.h>
@@ -3684,7 +3685,7 @@ pfm_restart(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 
 		PFM_SET_WORK_PENDING(task, 1);
 
-		tsk_set_notify_resume(task);
+		set_notify_resume(task);
 
 		/*
 		 * XXX: send reschedule if task runs on another CPU
@@ -5044,8 +5045,6 @@ pfm_handle_work(void)
 
 	PFM_SET_WORK_PENDING(current, 0);
 
-	tsk_clear_notify_resume(current);
-
 	regs = task_pt_regs(current);
 
 	/*
@@ -5414,7 +5413,7 @@ pfm_overflow_handler(struct task_struct *task, pfm_context_t *ctx, u64 pmc0, str
 			 * when coming from ctxsw, current still points to the
 			 * previous task, therefore we must work with task and not current.
 			 */
-			tsk_set_notify_resume(task);
+			set_notify_resume(task);
 		}
 		/*
 		 * defer until state is changed (shorten spin window). the context is locked
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 3ab8373103e..341a0319a5b 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -28,6 +28,7 @@
 #include <linux/delay.h>
 #include <linux/kdebug.h>
 #include <linux/utsname.h>
+#include <linux/tracehook.h>
 
 #include <asm/cpu.h>
 #include <asm/delay.h>
@@ -160,21 +161,6 @@ show_regs (struct pt_regs *regs)
 		show_stack(NULL, NULL);
 }
 
-void tsk_clear_notify_resume(struct task_struct *tsk)
-{
-#ifdef CONFIG_PERFMON
-	if (tsk->thread.pfm_needs_checking)
-		return;
-#endif
-	if (test_ti_thread_flag(task_thread_info(tsk), TIF_RESTORE_RSE))
-		return;
-	clear_ti_thread_flag(task_thread_info(tsk), TIF_NOTIFY_RESUME);
-}
-
-/*
- * do_notify_resume_user():
- *	Called from notify_resume_user at entry.S, with interrupts disabled.
- */
 void
 do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
 {
@@ -203,6 +189,11 @@ do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
 		ia64_do_signal(scr, in_syscall);
 	}
 
+	if (test_thread_flag(TIF_NOTIFY_RESUME)) {
+		clear_thread_flag(TIF_NOTIFY_RESUME);
+		tracehook_notify_resume(&scr->pt);
+	}
+
 	/* copy user rbs to kernel rbs */
 	if (unlikely(test_thread_flag(TIF_RESTORE_RSE))) {
 		local_irq_enable();	/* force interrupt enable */
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 12b1e9f0b7a..92c9689b7d9 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -22,6 +22,7 @@
 #include <linux/signal.h>
 #include <linux/regset.h>
 #include <linux/elf.h>
+#include <linux/tracehook.h>
 
 #include <asm/pgtable.h>
 #include <asm/processor.h>
@@ -603,7 +604,7 @@ void ia64_ptrace_stop(void)
 {
 	if (test_and_set_tsk_thread_flag(current, TIF_RESTORE_RSE))
 		return;
-	tsk_set_notify_resume(current);
+	set_notify_resume(current);
 	unw_init_running(do_sync_rbs, ia64_sync_user_rbs);
 }
 
@@ -613,7 +614,6 @@ void ia64_ptrace_stop(void)
 void ia64_sync_krbs(void)
 {
 	clear_tsk_thread_flag(current, TIF_RESTORE_RSE);
-	tsk_clear_notify_resume(current);
 
 	unw_init_running(do_sync_rbs, ia64_sync_kernel_rbs);
 }
@@ -644,7 +644,7 @@ ptrace_attach_sync_user_rbs (struct task_struct *child)
 		spin_lock_irq(&child->sighand->siglock);
 		if (child->state == TASK_STOPPED &&
 		    !test_and_set_tsk_thread_flag(child, TIF_RESTORE_RSE)) {
-			tsk_set_notify_resume(child);
+			set_notify_resume(child);
 
 			child->state = TASK_TRACED;
 			stopped = 1;
@@ -1232,37 +1232,16 @@ arch_ptrace (struct task_struct *child, long request, long addr, long data)
 }
 
 
-static void
-syscall_trace (void)
-{
-	/*
-	 * The 0x80 provides a way for the tracing parent to
-	 * distinguish between a syscall stop and SIGTRAP delivery.
-	 */
-	ptrace_notify(SIGTRAP
-		      | ((current->ptrace & PT_TRACESYSGOOD) ? 0x80 : 0));
-
-	/*
-	 * This isn't the same as continuing with a signal, but it
-	 * will do for normal use.  strace only continues with a
-	 * signal if the stopping signal is not SIGTRAP.  -brl
-	 */
-	if (current->exit_code) {
-		send_sig(current->exit_code, current, 1);
-		current->exit_code = 0;
-	}
-}
-
 /* "asmlinkage" so the input arguments are preserved... */
 
-asmlinkage void
+asmlinkage long
 syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
 		     long arg4, long arg5, long arg6, long arg7,
 		     struct pt_regs regs)
 {
-	if (test_thread_flag(TIF_SYSCALL_TRACE) 
-	    && (current->ptrace & PT_PTRACED))
-		syscall_trace();
+	if (test_thread_flag(TIF_SYSCALL_TRACE))
+		if (tracehook_report_syscall_entry(&regs))
+			return -ENOSYS;
 
 	/* copy user rbs to kernel rbs */
 	if (test_thread_flag(TIF_RESTORE_RSE))
@@ -1283,6 +1262,7 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
 		audit_syscall_entry(arch, syscall, arg0, arg1, arg2, arg3);
 	}
 
+	return 0;
 }
 
 /* "asmlinkage" so the input arguments are preserved... */
@@ -1292,6 +1272,8 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
 		     long arg4, long arg5, long arg6, long arg7,
 		     struct pt_regs regs)
 {
+	int step;
+
 	if (unlikely(current->audit_context)) {
 		int success = AUDITSC_RESULT(regs.r10);
 		long result = regs.r8;
@@ -1301,10 +1283,9 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
 		audit_syscall_exit(success, result);
 	}
 
-	if ((test_thread_flag(TIF_SYSCALL_TRACE)
-	    || test_thread_flag(TIF_SINGLESTEP))
-	    && (current->ptrace & PT_PTRACED))
-		syscall_trace();
+	step = test_thread_flag(TIF_SINGLESTEP);
+	if (step || test_thread_flag(TIF_SYSCALL_TRACE))
+		tracehook_report_syscall_exit(&regs, step);
 
 	/* copy user rbs to kernel rbs */
 	if (test_thread_flag(TIF_RESTORE_RSE))
@@ -1940,7 +1921,7 @@ gpregs_writeback(struct task_struct *target,
 {
 	if (test_and_set_tsk_thread_flag(target, TIF_RESTORE_RSE))
 		return 0;
-	tsk_set_notify_resume(target);
+	set_notify_resume(target);
 	return do_regset_call(do_gpregs_writeback, target, regset, 0, 0,
 		NULL, NULL);
 }
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 19c5a78636f..e12500a9c44 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/ptrace.h>
+#include <linux/tracehook.h>
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/smp.h>
@@ -439,6 +440,13 @@ handle_signal (unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigse
 		sigaddset(&current->blocked, sig);
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
+
+	/*
+	 * Let tracing know that we've done the handler setup.
+	 */
+	tracehook_signal_handler(sig, info, ka, &scr->pt,
+				 test_thread_flag(TIF_SINGLESTEP));
+
 	return 1;
 }
 
-- 
GitLab


From 9690ad031290d86979b284bd6243313f58271bcc Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Wed, 1 Oct 2008 13:57:14 -0700
Subject: [PATCH 0297/2224] [IA64] utrace Enable trace hook config

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 48e496fe1e7..a36b014ee66 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -21,6 +21,7 @@ config IA64
 	select HAVE_KRETPROBES
 	select HAVE_DMA_ATTRS
 	select HAVE_KVM
+	select HAVE_ARCH_TRACEHOOK
 	default y
 	help
 	  The Itanium Processor Family is Intel's 64-bit successor to
-- 
GitLab


From 680973edf122fd95735ecfc077cf79645d2e5081 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Thu, 18 Sep 2008 15:50:26 +0800
Subject: [PATCH 0298/2224] [IA64] utrace Convert compat ptrace to use
 compat_sys_ptrace

Convert IA64 32-bit ptrace to use compat_sys_ptrace.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/ia32/ia32_entry.S     |  2 +-
 arch/ia64/ia32/sys_ia32.c       | 83 +++---------------------------
 arch/ia64/include/asm/ptrace.h  |  2 +
 arch/ia64/include/asm/syscall.h | 89 +++++++++++++++++++++++++++++----
 4 files changed, 89 insertions(+), 87 deletions(-)

diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index b905dcb791f..a73ec0089d4 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -204,7 +204,7 @@ ia32_syscall_table:
 	data8 sys_setuid	/* 16-bit version */
 	data8 sys_getuid	/* 16-bit version */
 	data8 compat_sys_stime    /* 25 */
-	data8 sys32_ptrace
+	data8 compat_sys_ptrace
 	data8 sys32_alarm
 	data8 sys_ni_syscall
 	data8 sys32_pause
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index bf196cbb379..5df5e4c90e4 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1300,25 +1300,6 @@ sys32_waitpid (int pid, unsigned int *stat_addr, int options)
 	return compat_sys_wait4(pid, stat_addr, options, NULL);
 }
 
-static unsigned int
-ia32_peek (struct task_struct *child, unsigned long addr, unsigned int *val)
-{
-	size_t copied;
-	unsigned int ret;
-
-	copied = access_process_vm(child, addr, val, sizeof(*val), 0);
-	return (copied != sizeof(ret)) ? -EIO : 0;
-}
-
-static unsigned int
-ia32_poke (struct task_struct *child, unsigned long addr, unsigned int val)
-{
-
-	if (access_process_vm(child, addr, &val, sizeof(val), 1) != sizeof(val))
-		return -EIO;
-	return 0;
-}
-
 /*
  *  The order in which registers are stored in the ptrace regs structure
  */
@@ -1616,49 +1597,15 @@ restore_ia32_fpxstate (struct task_struct *tsk, struct ia32_user_fxsr_struct __u
 	return 0;
 }
 
-asmlinkage long
-sys32_ptrace (int request, pid_t pid, unsigned int addr, unsigned int data)
+long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
+	compat_ulong_t caddr, compat_ulong_t cdata)
 {
-	struct task_struct *child;
-	unsigned int value, tmp;
+	unsigned long addr = caddr;
+	unsigned long data = cdata;
+	unsigned int tmp;
 	long i, ret;
 
-	lock_kernel();
-	if (request == PTRACE_TRACEME) {
-		ret = ptrace_traceme();
-		goto out;
-	}
-
-	child = ptrace_get_task_struct(pid);
-	if (IS_ERR(child)) {
-		ret = PTR_ERR(child);
-		goto out;
-	}
-
-	if (request == PTRACE_ATTACH) {
-		ret = sys_ptrace(request, pid, addr, data);
-		goto out_tsk;
-	}
-
-	ret = ptrace_check_attach(child, request == PTRACE_KILL);
-	if (ret < 0)
-		goto out_tsk;
-
 	switch (request) {
-	      case PTRACE_PEEKTEXT:
-	      case PTRACE_PEEKDATA:	/* read word at location addr */
-		ret = ia32_peek(child, addr, &value);
-		if (ret == 0)
-			ret = put_user(value, (unsigned int __user *) compat_ptr(data));
-		else
-			ret = -EIO;
-		goto out_tsk;
-
-	      case PTRACE_POKETEXT:
-	      case PTRACE_POKEDATA:	/* write the word at location addr */
-		ret = ia32_poke(child, addr, data);
-		goto out_tsk;
-
 	      case PTRACE_PEEKUSR:	/* read word at addr in USER area */
 		ret = -EIO;
 		if ((addr & 3) || addr > 17*sizeof(int))
@@ -1723,27 +1670,9 @@ sys32_ptrace (int request, pid_t pid, unsigned int addr, unsigned int data)
 					    compat_ptr(data));
 		break;
 
-	      case PTRACE_GETEVENTMSG:   
-		ret = put_user(child->ptrace_message, (unsigned int __user *) compat_ptr(data));
-		break;
-
-	      case PTRACE_SYSCALL:	/* continue, stop after next syscall */
-	      case PTRACE_CONT:		/* restart after signal. */
-	      case PTRACE_KILL:
-	      case PTRACE_SINGLESTEP:	/* execute chile for one instruction */
-	      case PTRACE_DETACH:	/* detach a process */
-		ret = sys_ptrace(request, pid, addr, data);
-		break;
-
 	      default:
-		ret = ptrace_request(child, request, addr, data);
-		break;
-
+		return compat_ptrace_request(child, request, caddr, cdata);
 	}
-  out_tsk:
-	put_task_struct(child);
-  out:
-	unlock_kernel();
 	return ret;
 }
 
diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 14055c636ad..6417c1ecb44 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -325,6 +325,8 @@ static inline unsigned long user_stack_pointer(struct pt_regs *regs)
   #define arch_has_block_step()   (1)
   extern void user_enable_block_step(struct task_struct *);
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 #endif /* !__KERNEL__ */
 
 /* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */
diff --git a/arch/ia64/include/asm/syscall.h b/arch/ia64/include/asm/syscall.h
index 3fd4fa6c48d..2f758a42f94 100644
--- a/arch/ia64/include/asm/syscall.h
+++ b/arch/ia64/include/asm/syscall.h
@@ -19,24 +19,35 @@
 static inline long syscall_get_nr(struct task_struct *task,
 				  struct pt_regs *regs)
 {
-	BUG_ON(IS_IA32_PROCESS(regs));
-
 	if ((long)regs->cr_ifs < 0) /* Not a syscall */
 		return -1;
+
+#ifdef CONFIG_IA32_SUPPORT
+	if (IS_IA32_PROCESS(regs))
+		return regs->r1;
+#endif
+
 	return regs->r15;
 }
 
 static inline void syscall_rollback(struct task_struct *task,
 				    struct pt_regs *regs)
 {
-	BUG_ON(IS_IA32_PROCESS(regs));
+#ifdef CONFIG_IA32_SUPPORT
+	if (IS_IA32_PROCESS(regs))
+		regs->r8 = regs->r1;
+#endif
+
 	/* do nothing */
 }
 
 static inline long syscall_get_error(struct task_struct *task,
 				     struct pt_regs *regs)
 {
-	BUG_ON(IS_IA32_PROCESS(regs));
+#ifdef CONFIG_IA32_SUPPORT
+	if (IS_IA32_PROCESS(regs))
+		return regs->r8;
+#endif
 
 	return regs->r10 == -1 ? regs->r8:0;
 }
@@ -44,8 +55,6 @@ static inline long syscall_get_error(struct task_struct *task,
 static inline long syscall_get_return_value(struct task_struct *task,
 					    struct pt_regs *regs)
 {
-	BUG_ON(IS_IA32_PROCESS(regs));
-
 	return regs->r8;
 }
 
@@ -53,7 +62,12 @@ static inline void syscall_set_return_value(struct task_struct *task,
 					    struct pt_regs *regs,
 					    int error, long val)
 {
-	BUG_ON(IS_IA32_PROCESS(regs));
+#ifdef CONFIG_IA32_SUPPORT
+	if (IS_IA32_PROCESS(regs)) {
+		regs->r8 = (long) error ? error : val;
+		return;
+	}
+#endif
 
 	if (error) {
 		/* error < 0, but ia64 uses > 0 return value */
@@ -73,9 +87,39 @@ static inline void syscall_get_arguments(struct task_struct *task,
 					 unsigned int i, unsigned int n,
 					 unsigned long *args)
 {
-	BUG_ON(IS_IA32_PROCESS(regs));
 	BUG_ON(i + n > 6);
 
+#ifdef CONFIG_IA32_SUPPORT
+	if (IS_IA32_PROCESS(regs)) {
+		switch (i + n) {
+		case 6:
+			if (!n--) break;
+			*args++ = regs->r13;
+		case 5:
+			if (!n--) break;
+			*args++ = regs->r15;
+		case 4:
+			if (!n--) break;
+			*args++ = regs->r14;
+		case 3:
+			if (!n--) break;
+			*args++ = regs->r10;
+		case 2:
+			if (!n--) break;
+			*args++ = regs->r9;
+		case 1:
+			if (!n--) break;
+			*args++ = regs->r11;
+		case 0:
+			if (!n--) break;
+		default:
+			BUG();
+			break;
+		}
+
+		return;
+	}
+#endif
 	ia64_syscall_get_set_arguments(task, regs, i, n, args, 0);
 }
 
@@ -84,9 +128,36 @@ static inline void syscall_set_arguments(struct task_struct *task,
 					 unsigned int i, unsigned int n,
 					 unsigned long *args)
 {
-	BUG_ON(IS_IA32_PROCESS(regs));
 	BUG_ON(i + n > 6);
 
+#ifdef CONFIG_IA32_SUPPORT
+	if (IS_IA32_PROCESS(regs)) {
+		switch (i + n) {
+		case 6:
+			if (!n--) break;
+			regs->r13 = *args++;
+		case 5:
+			if (!n--) break;
+			regs->r15 = *args++;
+		case 4:
+			if (!n--) break;
+			regs->r14 = *args++;
+		case 3:
+			if (!n--) break;
+			regs->r10 = *args++;
+		case 2:
+			if (!n--) break;
+			regs->r9 = *args++;
+		case 1:
+			if (!n--) break;
+			regs->r11 = *args++;
+		case 0:
+			if (!n--) break;
+		}
+
+		return;
+	}
+#endif
 	ia64_syscall_get_set_arguments(task, regs, i, n, args, 1);
 }
 #endif	/* _ASM_SYSCALL_H */
-- 
GitLab


From 80a4b18d19bf1f7b88a261088c00a0d6b310a722 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 6 Oct 2008 13:01:53 -0700
Subject: [PATCH 0299/2224] select: fix alpha OSF wrapper

... alpha calls the core select code from inside it's architecture
code for emulating OSF; this patch makes it compile again

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 arch/alpha/kernel/osf_sys.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 8509dad3120..8e19acbf288 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -986,10 +986,12 @@ asmlinkage int
 osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
 	   struct timeval32 __user *tvp)
 {
-	s64 timeout = MAX_SCHEDULE_TIMEOUT;
+	struct timespec end_time, *to = NULL;
 	if (tvp) {
 		time_t sec, usec;
 
+		to = &end_time;
+
 		if (!access_ok(VERIFY_READ, tvp, sizeof(*tvp))
 		    || __get_user(sec, &tvp->tv_sec)
 		    || __get_user(usec, &tvp->tv_usec)) {
@@ -999,14 +1001,13 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
 		if (sec < 0 || usec < 0)
 			return -EINVAL;
 
-		if ((unsigned long) sec < MAX_SELECT_SECONDS) {
-			timeout = (usec + 1000000/HZ - 1) / (1000000/HZ);
-			timeout += sec * (unsigned long) HZ;
-		}
+		if (poll_select_set_timeout(to, sec, usec * NSEC_PER_USEC))
+			return -EINVAL;		
+
 	}
 
 	/* OSF does not copy back the remaining time.  */
-	return core_sys_select(n, inp, outp, exp, &timeout);
+	return core_sys_select(n, inp, outp, exp, to);
 }
 
 struct rusage32 {
-- 
GitLab


From faee816b1502385dc9bc5abf2960d1cc645844d1 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Fri, 12 Sep 2008 11:12:25 +0800
Subject: [PATCH 0300/2224] ACPI: don't enable control method power button as
 wakeup device when Fixed Power button is used

don't enable control method power button as wakeup device
when Fixed Power button is used.

http://bugzilla.kernel.org/show_bug.cgi?id=10503

Tested-by: walken@zoy.org <walken@zoy.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/scan.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f6f52c1a2ab..5ce14aee5e3 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -744,6 +744,16 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
 	if (!acpi_match_device_ids(device, button_device_ids))
 		device->wakeup.flags.run_wake = 1;
 
+	/*
+	 * Don't set Power button GPE as run_wake
+	 * if Fixed Power button is used
+	 */
+	if (!strcmp(device->pnp.hardware_id, "PNP0C0C") &&
+		!(acpi_gbl_FADT.flags & ACPI_FADT_POWER_BUTTON)) {
+		device->wakeup.flags.run_wake = 0;
+		device->wakeup.flags.valid = 0;
+	}
+
       end:
 	if (ACPI_FAILURE(status))
 		device->flags.wake_capable = 0;
-- 
GitLab


From 14e2acd8686507f8dee6d6269760d9ed145b2a89 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 6 Oct 2008 13:01:53 -0700
Subject: [PATCH 0301/2224] select: fix alpha OSF wrapper

... alpha calls the core select code from inside it's architecture
code for emulating OSF; this patch makes it compile again

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/alpha/kernel/osf_sys.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 8509dad3120..8e19acbf288 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -986,10 +986,12 @@ asmlinkage int
 osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
 	   struct timeval32 __user *tvp)
 {
-	s64 timeout = MAX_SCHEDULE_TIMEOUT;
+	struct timespec end_time, *to = NULL;
 	if (tvp) {
 		time_t sec, usec;
 
+		to = &end_time;
+
 		if (!access_ok(VERIFY_READ, tvp, sizeof(*tvp))
 		    || __get_user(sec, &tvp->tv_sec)
 		    || __get_user(usec, &tvp->tv_usec)) {
@@ -999,14 +1001,13 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
 		if (sec < 0 || usec < 0)
 			return -EINVAL;
 
-		if ((unsigned long) sec < MAX_SELECT_SECONDS) {
-			timeout = (usec + 1000000/HZ - 1) / (1000000/HZ);
-			timeout += sec * (unsigned long) HZ;
-		}
+		if (poll_select_set_timeout(to, sec, usec * NSEC_PER_USEC))
+			return -EINVAL;		
+
 	}
 
 	/* OSF does not copy back the remaining time.  */
-	return core_sys_select(n, inp, outp, exp, &timeout);
+	return core_sys_select(n, inp, outp, exp, to);
 }
 
 struct rusage32 {
-- 
GitLab


From 2075eb8d95612cadde91ef5be82691d97a2ea6c5 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Tue, 7 Oct 2008 10:57:54 -0700
Subject: [PATCH 0302/2224] rangetimer: fix x86 build failure for the !HRTIMERS
 case

the timer peek function was on the wrong side of an ifdef,
breaking for the !HRTIMERs case. Just provide an empty inline
for that case since it doesn't make sense in that scenario.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 include/linux/hrtimer.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index d93b1e1dc16..508ce20b8f9 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -283,6 +283,8 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 	return timer->base->cpu_base->hres_active;
 }
 
+extern void hrtimer_peek_ahead_timers(void);
+
 /*
  * The resolution of the clocks. The resolution value is returned in
  * the clock_getres() system call to give application programmers an
@@ -305,6 +307,7 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
  * is expired in the next softirq when the clock was advanced.
  */
 static inline void clock_was_set(void) { }
+static inline void hrtimer_peek_ahead_timers(void) { }
 
 static inline void hres_timers_resume(void) { }
 
@@ -328,7 +331,6 @@ extern ktime_t ktime_get_real(void);
 
 
 DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
-extern void hrtimer_peek_ahead_timers(void);
 
 
 /* Exported timer functions: */
-- 
GitLab


From 63fd7f30f328f99956d3c774d17219c3c8d54131 Mon Sep 17 00:00:00 2001
From: Daniel Rosenthal <danielrosenthal@acm.org>
Date: Sun, 5 Oct 2008 17:43:10 -0400
Subject: [PATCH 0303/2224] [MTD] [INFTL] Fix infinite loop in INFTL_foldchain

When iterating over a chain in reverse (oldest block first), this
patch correctly marks the PUtable[] entry of the second to last erase
block of a chain as BLOCK_NIL, regardless of whether or not it can
format the last block successfully. Before, the second to last block
was only marked as pointing to BLOCK_NIL if INFTL_formatblock()
succeeded on the last block of the chain, which could potentially
result in an infinite loop if the block was worn out and refused to
format.

Signed-off-by: Daniel Rosenthal <danielrosenthal@acm.org>
Acked-by: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/inftlcore.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index c4f9d3378b2..50ce13887f6 100644
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
@@ -388,6 +388,10 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
 		if (thisEUN == targetEUN)
 			break;
 
+		/* Unlink the last block from the chain. */
+		inftl->PUtable[prevEUN] = BLOCK_NIL;
+
+		/* Now try to erase it. */
 		if (INFTL_formatblock(inftl, thisEUN) < 0) {
 			/*
 			 * Could not erase : mark block as reserved.
@@ -396,7 +400,6 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
 		} else {
 			/* Correctly erased : mark it as free */
 			inftl->PUtable[thisEUN] = BLOCK_FREE;
-			inftl->PUtable[prevEUN] = BLOCK_NIL;
 			inftl->numfreeEUNs++;
 		}
 	}
-- 
GitLab


From 0606e1abfcb66c3a29722162f5d2c7ad8b638237 Mon Sep 17 00:00:00 2001
From: Carlos Corbacho <carlos@strangeworlds.co.uk>
Date: Wed, 8 Oct 2008 21:40:21 +0100
Subject: [PATCH 0304/2224] acer-wmi: Add rfkill support for wireless and
 bluetooth

This patch implements rfkill support for the wireless and bluetooth devices
commonly found on Acer laptops.

For now, we will always poll these devices once a second to guarantee we
can catch state changes. On newer Acer laptops, it may be possible to rely
on WMI events to do this instead, and experimental support for this will be
added in a later patch.

3G has been deliberately left off for now, as we still have no way to
detect it, (nor, AFAIK, has any Linux user tried the code) and on laptops
that don't support 3G, trying to poll for the status will leave the logs
full of ACPI tracebacks.

The old sysfs interface for wireless and bluetooth will be removed in a
later patch.

(Thanks to Henrique de Moraes Holschuh and Dmitry Torokhov for reviewing
this patch).

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/Kconfig    |   1 +
 drivers/misc/acer-wmi.c | 130 +++++++++++++++++++++++++++++++++++++++-
 2 files changed, 130 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index a726f3b01a6..6abb95919c3 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -145,6 +145,7 @@ config ACER_WMI
 	depends on NEW_LEDS
 	depends on BACKLIGHT_CLASS_DEVICE
 	depends on SERIO_I8042
+	depends on RFKILL
 	select ACPI_WMI
 	---help---
 	  This is a driver for newer Acer (and Wistron) laptops. It adds
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index d8b0d326e45..e3e11e88747 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -33,6 +33,8 @@
 #include <linux/platform_device.h>
 #include <linux/acpi.h>
 #include <linux/i8042.h>
+#include <linux/rfkill.h>
+#include <linux/workqueue.h>
 #include <linux/debugfs.h>
 
 #include <acpi/acpi_drivers.h>
@@ -157,6 +159,9 @@ struct acer_debug {
 	u32 wmid_devices;
 };
 
+static struct rfkill *wireless_rfkill;
+static struct rfkill *bluetooth_rfkill;
+
 /* Each low-level interface must define at least some of the following */
 struct wmi_interface {
 	/* The WMI device type */
@@ -932,6 +937,125 @@ static void acer_backlight_exit(void)
 	backlight_device_unregister(acer_backlight_device);
 }
 
+/*
+ * Rfkill devices
+ */
+static struct workqueue_struct *rfkill_workqueue;
+
+static void acer_rfkill_update(struct work_struct *ignored);
+static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
+static void acer_rfkill_update(struct work_struct *ignored)
+{
+	u32 state;
+	acpi_status status;
+
+	status = get_u32(&state, ACER_CAP_WIRELESS);
+	if (ACPI_SUCCESS(status))
+		rfkill_force_state(wireless_rfkill, state ?
+			RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED);
+
+	if (has_cap(ACER_CAP_BLUETOOTH)) {
+		status = get_u32(&state, ACER_CAP_BLUETOOTH);
+		if (ACPI_SUCCESS(status))
+			rfkill_force_state(bluetooth_rfkill, state ?
+				RFKILL_STATE_UNBLOCKED :
+				RFKILL_STATE_SOFT_BLOCKED);
+	}
+
+	queue_delayed_work(rfkill_workqueue, &acer_rfkill_work,
+		round_jiffies_relative(HZ));
+}
+
+static int acer_rfkill_set(void *data, enum rfkill_state state)
+{
+	acpi_status status;
+	u32 *cap = data;
+	status = set_u32((u32) (state == RFKILL_STATE_UNBLOCKED), *cap);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+	return 0;
+}
+
+static struct rfkill * acer_rfkill_register(struct device *dev,
+enum rfkill_type type, char *name, u32 cap)
+{
+	int err;
+	u32 state;
+	u32 *data;
+	struct rfkill *rfkill_dev;
+
+	rfkill_dev = rfkill_allocate(dev, type);
+	if (!rfkill_dev)
+		return ERR_PTR(-ENOMEM);
+	rfkill_dev->name = name;
+	get_u32(&state, cap);
+	rfkill_dev->state = state ? RFKILL_STATE_UNBLOCKED :
+		RFKILL_STATE_SOFT_BLOCKED;
+	data = kzalloc(sizeof(u32), GFP_KERNEL);
+	if (!data) {
+		rfkill_free(rfkill_dev);
+		return ERR_PTR(-ENOMEM);
+	}
+	*data = cap;
+	rfkill_dev->data = data;
+	rfkill_dev->toggle_radio = acer_rfkill_set;
+	rfkill_dev->user_claim_unsupported = 1;
+
+	err = rfkill_register(rfkill_dev);
+	if (err) {
+		kfree(rfkill_dev->data);
+		rfkill_free(rfkill_dev);
+		return ERR_PTR(err);
+	}
+	return rfkill_dev;
+}
+
+static int acer_rfkill_init(struct device *dev)
+{
+	wireless_rfkill = acer_rfkill_register(dev, RFKILL_TYPE_WLAN,
+		"acer-wireless", ACER_CAP_WIRELESS);
+	if (IS_ERR(wireless_rfkill))
+		return PTR_ERR(wireless_rfkill);
+
+	if (has_cap(ACER_CAP_BLUETOOTH)) {
+		bluetooth_rfkill = acer_rfkill_register(dev,
+			RFKILL_TYPE_BLUETOOTH, "acer-bluetooth",
+			ACER_CAP_BLUETOOTH);
+		if (IS_ERR(bluetooth_rfkill)) {
+			kfree(wireless_rfkill->data);
+			rfkill_unregister(wireless_rfkill);
+			return PTR_ERR(bluetooth_rfkill);
+		}
+	}
+
+	rfkill_workqueue = create_singlethread_workqueue("rfkill_workqueue");
+	if (!rfkill_workqueue) {
+		if (has_cap(ACER_CAP_BLUETOOTH)) {
+			kfree(bluetooth_rfkill->data);
+			rfkill_unregister(bluetooth_rfkill);
+		}
+		kfree(wireless_rfkill->data);
+		rfkill_unregister(wireless_rfkill);
+		return -ENOMEM;
+	}
+	queue_delayed_work(rfkill_workqueue, &acer_rfkill_work, HZ);
+
+	return 0;
+}
+
+static void acer_rfkill_exit(void)
+{
+	cancel_delayed_work_sync(&acer_rfkill_work);
+	destroy_workqueue(rfkill_workqueue);
+	kfree(wireless_rfkill->data);
+	rfkill_unregister(wireless_rfkill);
+	if (has_cap(ACER_CAP_BLUETOOTH)) {
+		kfree(wireless_rfkill->data);
+		rfkill_unregister(bluetooth_rfkill);
+	}
+	return;
+}
+
 /*
  * Read/ write bool sysfs macro
  */
@@ -1026,7 +1150,9 @@ static int __devinit acer_platform_probe(struct platform_device *device)
 			goto error_brightness;
 	}
 
-	return 0;
+	err = acer_rfkill_init(&device->dev);
+
+	return err;
 
 error_brightness:
 	acer_led_exit();
@@ -1040,6 +1166,8 @@ static int acer_platform_remove(struct platform_device *device)
 		acer_led_exit();
 	if (has_cap(ACER_CAP_BRIGHTNESS))
 		acer_backlight_exit();
+
+	acer_rfkill_exit();
 	return 0;
 }
 
-- 
GitLab


From 7d9a06de616f69374dab00396f27cf00962a72c9 Mon Sep 17 00:00:00 2001
From: Carlos Corbacho <carlos@strangeworlds.co.uk>
Date: Wed, 8 Oct 2008 21:40:26 +0100
Subject: [PATCH 0305/2224] acer-wmi: Remove wireless and bluetooth sysfs
 entries

These are now replaced by the rfkill interface.

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/laptops/acer-wmi.txt |  28 ++------
 drivers/misc/acer-wmi.c            | 101 ++++++-----------------------
 2 files changed, 25 insertions(+), 104 deletions(-)

diff --git a/Documentation/laptops/acer-wmi.txt b/Documentation/laptops/acer-wmi.txt
index 69b5dd4e5a5..2b3a6b5260b 100644
--- a/Documentation/laptops/acer-wmi.txt
+++ b/Documentation/laptops/acer-wmi.txt
@@ -1,7 +1,7 @@
 Acer Laptop WMI Extras Driver
 http://code.google.com/p/aceracpi
-Version 0.1
-9th February 2008
+Version 0.2
+18th August 2008
 
 Copyright 2007-2008 Carlos Corbacho <carlos@strangeworlds.co.uk>
 
@@ -87,17 +87,7 @@ acer-wmi come with built-in wireless. However, should you feel so inclined to
 ever wish to remove the card, or swap it out at some point, please get in touch
 with me, as we may well be able to gain some data on wireless card detection.
 
-To read the status of the wireless radio (0=off, 1=on):
-cat /sys/devices/platform/acer-wmi/wireless
-
-To enable the wireless radio:
-echo 1 > /sys/devices/platform/acer-wmi/wireless
-
-To disable the wireless radio:
-echo 0 > /sys/devices/platform/acer-wmi/wireless
-
-To set the state of the wireless radio when loading acer-wmi, pass:
-wireless=X (where X is 0 or 1)
+The wireless radio is exposed through rfkill.
 
 Bluetooth
 *********
@@ -117,17 +107,7 @@ For the adventurously minded - if you want to buy an internal bluetooth
 module off the internet that is compatible with your laptop and fit it, then
 it will work just fine with acer-wmi.
 
-To read the status of the bluetooth module (0=off, 1=on):
-cat /sys/devices/platform/acer-wmi/wireless
-
-To enable the bluetooth module:
-echo 1 > /sys/devices/platform/acer-wmi/bluetooth
-
-To disable the bluetooth module:
-echo 0 > /sys/devices/platform/acer-wmi/bluetooth
-
-To set the state of the bluetooth module when loading acer-wmi, pass:
-bluetooth=X (where X is 0 or 1)
+Bluetooth is exposed through rfkill.
 
 3G
 **
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index e3e11e88747..8708d319378 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -125,21 +125,15 @@ enum interface_flags {
 
 static int max_brightness = 0xF;
 
-static int wireless = -1;
-static int bluetooth = -1;
 static int mailled = -1;
 static int brightness = -1;
 static int threeg = -1;
 static int force_series;
 
 module_param(mailled, int, 0444);
-module_param(wireless, int, 0444);
-module_param(bluetooth, int, 0444);
 module_param(brightness, int, 0444);
 module_param(threeg, int, 0444);
 module_param(force_series, int, 0444);
-MODULE_PARM_DESC(wireless, "Set initial state of Wireless hardware");
-MODULE_PARM_DESC(bluetooth, "Set initial state of Bluetooth hardware");
 MODULE_PARM_DESC(mailled, "Set initial state of Mail LED");
 MODULE_PARM_DESC(brightness, "Set initial LCD backlight brightness");
 MODULE_PARM_DESC(threeg, "Set initial state of 3G hardware");
@@ -147,8 +141,6 @@ MODULE_PARM_DESC(force_series, "Force a different laptop series");
 
 struct acer_data {
 	int mailled;
-	int wireless;
-	int bluetooth;
 	int threeg;
 	int brightness;
 };
@@ -851,8 +843,6 @@ static void __init acer_commandline_init(void)
 	 * capability isn't available on the given interface
 	 */
 	set_u32(mailled, ACER_CAP_MAILLED);
-	set_u32(wireless, ACER_CAP_WIRELESS);
-	set_u32(bluetooth, ACER_CAP_BLUETOOTH);
 	set_u32(threeg, ACER_CAP_THREEG);
 	set_u32(brightness, ACER_CAP_BRIGHTNESS);
 }
@@ -1057,40 +1047,30 @@ static void acer_rfkill_exit(void)
 }
 
 /*
- * Read/ write bool sysfs macro
+ * sysfs interface
  */
-#define show_set_bool(value, cap) \
-static ssize_t \
-show_bool_##value(struct device *dev, struct device_attribute *attr, \
-	char *buf) \
-{ \
+static ssize_t show_bool_threeg(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
 	u32 result; \
-	acpi_status status = get_u32(&result, cap); \
-	if (ACPI_SUCCESS(status)) \
-		return sprintf(buf, "%u\n", result); \
-	return sprintf(buf, "Read error\n"); \
-} \
-\
-static ssize_t \
-set_bool_##value(struct device *dev, struct device_attribute *attr, \
-	const char *buf, size_t count) \
-{ \
-	u32 tmp = simple_strtoul(buf, NULL, 10); \
-	acpi_status status = set_u32(tmp, cap); \
-		if (ACPI_FAILURE(status)) \
-			return -EINVAL; \
-	return count; \
-} \
-static DEVICE_ATTR(value, S_IWUGO | S_IRUGO | S_IWUSR, \
-	show_bool_##value, set_bool_##value);
-
-show_set_bool(wireless, ACER_CAP_WIRELESS);
-show_set_bool(bluetooth, ACER_CAP_BLUETOOTH);
-show_set_bool(threeg, ACER_CAP_THREEG);
+	acpi_status status = get_u32(&result, ACER_CAP_THREEG);
+	if (ACPI_SUCCESS(status))
+		return sprintf(buf, "%u\n", result);
+	return sprintf(buf, "Read error\n");
+}
+
+static ssize_t set_bool_threeg(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	u32 tmp = simple_strtoul(buf, NULL, 10);
+	acpi_status status = set_u32(tmp, ACER_CAP_THREEG);
+		if (ACPI_FAILURE(status))
+			return -EINVAL;
+	return count;
+}
+static DEVICE_ATTR(threeg, S_IWUGO | S_IRUGO | S_IWUSR, show_bool_threeg,
+	set_bool_threeg);
 
-/*
- * Read interface sysfs macro
- */
 static ssize_t show_interface(struct device *dev, struct device_attribute *attr,
 	char *buf)
 {
@@ -1180,16 +1160,6 @@ pm_message_t state)
 	if (!data)
 		return -ENOMEM;
 
-	if (has_cap(ACER_CAP_WIRELESS)) {
-		get_u32(&value, ACER_CAP_WIRELESS);
-		data->wireless = value;
-	}
-
-	if (has_cap(ACER_CAP_BLUETOOTH)) {
-		get_u32(&value, ACER_CAP_BLUETOOTH);
-		data->bluetooth = value;
-	}
-
 	if (has_cap(ACER_CAP_MAILLED)) {
 		get_u32(&value, ACER_CAP_MAILLED);
 		data->mailled = value;
@@ -1210,15 +1180,6 @@ static int acer_platform_resume(struct platform_device *device)
 	if (!data)
 		return -ENOMEM;
 
-	if (has_cap(ACER_CAP_WIRELESS))
-		set_u32(data->wireless, ACER_CAP_WIRELESS);
-
-	if (has_cap(ACER_CAP_BLUETOOTH))
-		set_u32(data->bluetooth, ACER_CAP_BLUETOOTH);
-
-	if (has_cap(ACER_CAP_THREEG))
-		set_u32(data->threeg, ACER_CAP_THREEG);
-
 	if (has_cap(ACER_CAP_MAILLED))
 		set_u32(data->mailled, ACER_CAP_MAILLED);
 
@@ -1243,12 +1204,6 @@ static struct platform_device *acer_platform_device;
 
 static int remove_sysfs(struct platform_device *device)
 {
-	if (has_cap(ACER_CAP_WIRELESS))
-		device_remove_file(&device->dev, &dev_attr_wireless);
-
-	if (has_cap(ACER_CAP_BLUETOOTH))
-		device_remove_file(&device->dev, &dev_attr_bluetooth);
-
 	if (has_cap(ACER_CAP_THREEG))
 		device_remove_file(&device->dev, &dev_attr_threeg);
 
@@ -1261,20 +1216,6 @@ static int create_sysfs(void)
 {
 	int retval = -ENOMEM;
 
-	if (has_cap(ACER_CAP_WIRELESS)) {
-		retval = device_create_file(&acer_platform_device->dev,
-			&dev_attr_wireless);
-		if (retval)
-			goto error_sysfs;
-	}
-
-	if (has_cap(ACER_CAP_BLUETOOTH)) {
-		retval = device_create_file(&acer_platform_device->dev,
-			&dev_attr_bluetooth);
-		if (retval)
-			goto error_sysfs;
-	}
-
 	if (has_cap(ACER_CAP_THREEG)) {
 		retval = device_create_file(&acer_platform_device->dev,
 			&dev_attr_threeg);
-- 
GitLab


From a66bfa7a4726e9cbdc985133af728a4bd9925d96 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg@redhat.com>
Date: Wed, 8 Oct 2008 21:40:32 +0100
Subject: [PATCH 0306/2224] ACPI: WMI: Enable event methods when registering
 notifiers

According to the ACPI-WMI spec, event blocks may provide a function call
for enabling/disabling them. This patch adds support for making these
calls when registering or removing notifications. Without this, my Dell
firmware provides no data in the event notification.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/wmi.c | 39 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c
index cfe2c833474..5464cfcf829 100644
--- a/drivers/acpi/wmi.c
+++ b/drivers/acpi/wmi.c
@@ -217,6 +217,35 @@ static bool find_guid(const char *guid_string, struct wmi_block **out)
 	return 0;
 }
 
+static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable)
+{
+	struct guid_block *block = NULL;
+	char method[5];
+	struct acpi_object_list input;
+	union acpi_object params[1];
+	acpi_status status;
+	acpi_handle handle;
+
+	block = &wblock->gblock;
+	handle = wblock->handle;
+
+	if (!block)
+		return AE_NOT_EXIST;
+
+	input.count = 1;
+	input.pointer = params;
+	params[0].type = ACPI_TYPE_INTEGER;
+	params[0].integer.value = enable;
+
+	snprintf(method, 5, "WE%02X", block->notify_id);
+	status = acpi_evaluate_object(handle, method, &input, NULL);
+
+	if (status != AE_OK && status != AE_NOT_FOUND)
+		return status;
+	else
+		return AE_OK;
+}
+
 /*
  * Exported WMI functions
  */
@@ -427,6 +456,7 @@ acpi_status wmi_install_notify_handler(const char *guid,
 wmi_notify_handler handler, void *data)
 {
 	struct wmi_block *block;
+	acpi_status status;
 
 	if (!guid || !handler)
 		return AE_BAD_PARAMETER;
@@ -441,7 +471,9 @@ wmi_notify_handler handler, void *data)
 	block->handler = handler;
 	block->handler_data = data;
 
-	return AE_OK;
+	status = wmi_method_enable(block, 1);
+
+	return status;
 }
 EXPORT_SYMBOL_GPL(wmi_install_notify_handler);
 
@@ -453,6 +485,7 @@ EXPORT_SYMBOL_GPL(wmi_install_notify_handler);
 acpi_status wmi_remove_notify_handler(const char *guid)
 {
 	struct wmi_block *block;
+	acpi_status status;
 
 	if (!guid)
 		return AE_BAD_PARAMETER;
@@ -464,10 +497,12 @@ acpi_status wmi_remove_notify_handler(const char *guid)
 	if (!block->handler)
 		return AE_NULL_ENTRY;
 
+	status = wmi_method_enable(block, 0);
+
 	block->handler = NULL;
 	block->handler_data = NULL;
 
-	return AE_OK;
+	return status;
 }
 EXPORT_SYMBOL_GPL(wmi_remove_notify_handler);
 
-- 
GitLab


From 762a9f291bfdf9e4d5c2b80d730d79055c8d8c99 Mon Sep 17 00:00:00 2001
From: Deepak Saxena <dsaxena@plexity.net>
Date: Wed, 8 Oct 2008 12:56:24 -0700
Subject: [PATCH 0307/2224] UBI: print reserved_peb when it is too large

This patch makes debugging a missconfigured UBI a bit easier
by providing the needed information in the boot log.

Signed-off-by: Deepak Saxena <dsaxena@laptop.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 drivers/mtd/ubi/vtbl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 217d0e111b2..333c8941552 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -244,8 +244,8 @@ static int vtbl_check(const struct ubi_device *ubi,
 		}
 
 		if (reserved_pebs > ubi->good_peb_count) {
-			dbg_err("too large reserved_pebs, good PEBs %d",
-				ubi->good_peb_count);
+			dbg_err("too large reserved_pebs %d, good PEBs %d",
+				reserved_pebs, ubi->good_peb_count);
 			err = 9;
 			goto bad;
 		}
-- 
GitLab


From 95ebffd749c8e6c8cbb746bc0833a5738cc23321 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Thu, 18 Sep 2008 20:50:26 +0400
Subject: [PATCH 0308/2224] [MTD] [NAND] fsl_upm: update driver for the new OF
 bindings

- Get rid of fsl,wait-pattern and fsl,wait-write. I think this isn't
  chip-specific, and we should always do waits. I saw one board that
  didn't need fsl,wait-pattern, but I assume this was the exception
  that proves the rule;
- Get rid of chip-delay. Today there are no users for this, and if
  anyone really need this they should push the OF bindings beforehand;
- Now flash chips should be child nodes of the FSL UPM NAND controller;
- Implement OF partition parsing.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/fsl_upm.c | 57 ++++++++++++++++++++++----------------
 1 file changed, 33 insertions(+), 24 deletions(-)

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 1ebfd87f00b..3af5ef399a0 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -36,9 +36,6 @@ struct fsl_upm_nand {
 	uint8_t upm_cmd_offset;
 	void __iomem *io_base;
 	int rnb_gpio;
-	const uint32_t *wait_pattern;
-	const uint32_t *wait_write;
-	int chip_delay;
 };
 
 #define to_fsl_upm_nand(mtd) container_of(mtd, struct fsl_upm_nand, mtd)
@@ -89,8 +86,7 @@ static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 
 	fsl_upm_run_pattern(&fun->upm, fun->io_base, cmd);
 
-	if (fun->wait_pattern)
-		fun_wait_rnb(fun);
+	fun_wait_rnb(fun);
 }
 
 static uint8_t fun_read_byte(struct mtd_info *mtd)
@@ -116,14 +112,16 @@ static void fun_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
 
 	for (i = 0; i < len; i++) {
 		out_8(fun->chip.IO_ADDR_W, buf[i]);
-		if (fun->wait_write)
-			fun_wait_rnb(fun);
+		fun_wait_rnb(fun);
 	}
 }
 
-static int __devinit fun_chip_init(struct fsl_upm_nand *fun)
+static int __devinit fun_chip_init(struct fsl_upm_nand *fun,
+				   const struct device_node *upm_np,
+				   const struct resource *io_res)
 {
 	int ret;
+	struct device_node *flash_np;
 #ifdef CONFIG_MTD_PARTITIONS
 	static const char *part_types[] = { "cmdlinepart", NULL, };
 #endif
@@ -131,7 +129,7 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun)
 	fun->chip.IO_ADDR_R = fun->io_base;
 	fun->chip.IO_ADDR_W = fun->io_base;
 	fun->chip.cmd_ctrl = fun_cmd_ctrl;
-	fun->chip.chip_delay = fun->chip_delay;
+	fun->chip.chip_delay = 50;
 	fun->chip.read_byte = fun_read_byte;
 	fun->chip.read_buf = fun_read_buf;
 	fun->chip.write_buf = fun_write_buf;
@@ -143,18 +141,37 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun)
 	fun->mtd.priv = &fun->chip;
 	fun->mtd.owner = THIS_MODULE;
 
+	flash_np = of_get_next_child(upm_np, NULL);
+	if (!flash_np)
+		return -ENODEV;
+
+	fun->mtd.name = kasprintf(GFP_KERNEL, "%x.%s", io_res->start,
+				  flash_np->name);
+	if (!fun->mtd.name) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
 	ret = nand_scan(&fun->mtd, 1);
 	if (ret)
-		return ret;
-
-	fun->mtd.name = fun->dev->bus_id;
+		goto err;
 
 #ifdef CONFIG_MTD_PARTITIONS
 	ret = parse_mtd_partitions(&fun->mtd, part_types, &fun->parts, 0);
+
+#ifdef CONFIG_MTD_OF_PARTS
+	if (ret == 0)
+		ret = of_mtd_parse_partitions(fun->dev, &fun->mtd,
+					      flash_np, &fun->parts);
+#endif
 	if (ret > 0)
-		return add_mtd_partitions(&fun->mtd, fun->parts, ret);
+		ret = add_mtd_partitions(&fun->mtd, fun->parts, ret);
+	else
 #endif
-	return add_mtd_device(&fun->mtd);
+		ret = add_mtd_device(&fun->mtd);
+err:
+	of_node_put(flash_np);
+	return ret;
 }
 
 static int __devinit fun_probe(struct of_device *ofdev,
@@ -220,17 +237,8 @@ static int __devinit fun_probe(struct of_device *ofdev,
 
 	fun->dev = &ofdev->dev;
 	fun->last_ctrl = NAND_CLE;
-	fun->wait_pattern = of_get_property(ofdev->node, "fsl,wait-pattern",
-					    NULL);
-	fun->wait_write = of_get_property(ofdev->node, "fsl,wait-write", NULL);
-
-	prop = of_get_property(ofdev->node, "chip-delay", NULL);
-	if (prop)
-		fun->chip_delay = *prop;
-	else
-		fun->chip_delay = 50;
 
-	ret = fun_chip_init(fun);
+	ret = fun_chip_init(fun, ofdev->node, &io_res);
 	if (ret)
 		goto err2;
 
@@ -251,6 +259,7 @@ static int __devexit fun_remove(struct of_device *ofdev)
 	struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev);
 
 	nand_release(&fun->mtd);
+	kfree(fun->mtd.name);
 
 	if (fun->rnb_gpio >= 0)
 		gpio_free(fun->rnb_gpio);
-- 
GitLab


From 13f5369704d3c27a07936999f063be3a8a905398 Mon Sep 17 00:00:00 2001
From: Wolfgang Grandegger <wg@grandegger.com>
Date: Mon, 9 Jun 2008 10:19:08 +0200
Subject: [PATCH 0309/2224] [MTD] [NAND] driver extension to support NAND on
 TQM85xx modules

This patch extends the FSL UPM NAND driver from Anton Vorontsov to
support hardware which does not have the R/B pin of the NAND chip
connected, like the TQM8548 module:

- The OF_GPIO dependency has been removed from the Kconfig option
  because GPIO is not needed. The relevant gpio_* function are then
  stubbed out in <linux/gpio.h>.

- It re-introduces the chip-delay property to define an appropriate
  maximum delay time (tR) required for read operations. The binding
  will be documented in a separate patch.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig   |  2 +-
 drivers/mtd/nand/fsl_upm.c | 17 +++++++++++++----
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 7153854eb83..18b9ffeabc9 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -401,7 +401,7 @@ config MTD_NAND_FSL_ELBC
 
 config MTD_NAND_FSL_UPM
 	tristate "Support for NAND on Freescale UPM"
-	depends on MTD_NAND && OF_GPIO && (PPC_83xx || PPC_85xx)
+	depends on MTD_NAND && (PPC_83xx || PPC_85xx)
 	select FSL_LBC
 	help
 	  Enables support for NAND Flash chips wired onto Freescale PowerPC
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 3af5ef399a0..024e3fffd4b 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -13,6 +13,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/nand_ecc.h>
 #include <linux/mtd/partitions.h>
@@ -36,6 +37,7 @@ struct fsl_upm_nand {
 	uint8_t upm_cmd_offset;
 	void __iomem *io_base;
 	int rnb_gpio;
+	int chip_delay;
 };
 
 #define to_fsl_upm_nand(mtd) container_of(mtd, struct fsl_upm_nand, mtd)
@@ -58,10 +60,11 @@ static void fun_wait_rnb(struct fsl_upm_nand *fun)
 	if (fun->rnb_gpio >= 0) {
 		while (--cnt && !fun_chip_ready(&fun->mtd))
 			cpu_relax();
+		if (!cnt)
+			dev_err(fun->dev, "tired waiting for RNB\n");
+	} else {
+		ndelay(100);
 	}
-
-	if (!cnt)
-		dev_err(fun->dev, "tired waiting for RNB\n");
 }
 
 static void fun_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
@@ -129,7 +132,7 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun,
 	fun->chip.IO_ADDR_R = fun->io_base;
 	fun->chip.IO_ADDR_W = fun->io_base;
 	fun->chip.cmd_ctrl = fun_cmd_ctrl;
-	fun->chip.chip_delay = 50;
+	fun->chip.chip_delay = fun->chip_delay;
 	fun->chip.read_byte = fun_read_byte;
 	fun->chip.read_buf = fun_read_buf;
 	fun->chip.write_buf = fun_write_buf;
@@ -228,6 +231,12 @@ static int __devinit fun_probe(struct of_device *ofdev,
 		goto err2;
 	}
 
+	prop = of_get_property(ofdev->node, "chip-delay", NULL);
+	if (prop)
+		fun->chip_delay = *prop;
+	else
+		fun->chip_delay = 50;
+
 	fun->io_base = devm_ioremap_nocache(&ofdev->dev, io_res.start,
 					  io_res.end - io_res.start + 1);
 	if (!fun->io_base) {
-- 
GitLab


From 52551beb0519c014fb77e1c78a6888d20e62209c Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 9 Oct 2008 22:50:06 -0500
Subject: [PATCH 0310/2224] [MTD] [NAND] remove dead Kconfig associated with
 !CONFIG_PPC_MERGE

Removed the Kconfig associated with 'NDFC NanD Flash Controller'.
We can't enable !CONFIG_PPC_MERGE so there is no way to enable
this.  Additionally the code needs to get updated for arch/powerpc.

For the time being lets just remove the Kconfig option so we can
actually remove CONFIG_PPC_MERGE.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 18b9ffeabc9..82815dd64bf 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -157,13 +157,6 @@ config MTD_NAND_S3C2410_HWECC
 	  incorrect ECC generation, and if using these, the default of
 	  software ECC is preferable.
 
-config MTD_NAND_NDFC
-	tristate "NDFC NanD Flash Controller"
-	depends on 4xx && !PPC_MERGE
-	select MTD_NAND_ECC_SMC
-	help
-	 NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs
-
 config MTD_NAND_S3C2410_CLKSTOP
 	bool "S3C2410 NAND IDLE clock stop"
 	depends on MTD_NAND_S3C2410
-- 
GitLab


From 98f172b257725de516a792b810b08639d6293d4d Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Mon, 28 Jul 2008 16:21:19 -0400
Subject: [PATCH 0311/2224] parisc: parisc-agp - fix <asm-parisc/*> -> <asm/*>

---
 drivers/char/agp/parisc-agp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index 8c42dcc5958..f4bbcb27320 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -20,8 +20,8 @@
 #include <linux/agp_backend.h>
 #include <linux/log2.h>
 
-#include <asm-parisc/parisc-device.h>
-#include <asm-parisc/ropes.h>
+#include <asm/parisc-device.h>
+#include <asm/ropes.h>
 
 #include "agp.h"
 
-- 
GitLab


From 40b10fc58a62a9698f4fa1916e61b0953139928a Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Mon, 28 Jul 2008 16:22:34 -0400
Subject: [PATCH 0312/2224] parisc: ropes.h - fix <asm-parisc/*> -> <asm/*>

---
 include/asm-parisc/ropes.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h
index 007a880615e..09f51d5ab57 100644
--- a/include/asm-parisc/ropes.h
+++ b/include/asm-parisc/ropes.h
@@ -1,7 +1,7 @@
 #ifndef _ASM_PARISC_ROPES_H_
 #define _ASM_PARISC_ROPES_H_
 
-#include <asm-parisc/parisc-device.h>
+#include <asm/parisc-device.h>
 
 #ifdef CONFIG_64BIT
 /* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
-- 
GitLab


From dae2cdf3e25bf1c63f8012ae19c133e3b3b187ca Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Mon, 28 Jul 2008 21:14:50 -0400
Subject: [PATCH 0313/2224] parisc: add arch/parisc/kernel/.gitignore

---
 arch/parisc/kernel/.gitignore | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 arch/parisc/kernel/.gitignore

diff --git a/arch/parisc/kernel/.gitignore b/arch/parisc/kernel/.gitignore
new file mode 100644
index 00000000000..c5f676c3c22
--- /dev/null
+++ b/arch/parisc/kernel/.gitignore
@@ -0,0 +1 @@
+vmlinux.lds
-- 
GitLab


From 1e22166c40a99fb25fa6ff4f711a3217d848dd85 Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Mon, 28 Jul 2008 21:17:23 -0400
Subject: [PATCH 0314/2224] parisc: unify CCIO_COLLECT_STATS implementation

Make it behave in the same manner as SBA_COLLECT_STATS, further
clean ups pending.
---
 drivers/parisc/ccio-dma.c | 43 ++++++++++++++++-----------------------
 1 file changed, 17 insertions(+), 26 deletions(-)

diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index b30e38f3a50..dcc1e9958d2 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -66,15 +66,8 @@
 #undef DEBUG_CCIO_RUN_SG
 
 #ifdef CONFIG_PROC_FS
-/*
- * CCIO_SEARCH_TIME can help measure how fast the bitmap search is.
- * impacts performance though - ditch it if you don't use it.
- */
-#define CCIO_SEARCH_TIME
-#undef CCIO_MAP_STATS
-#else
-#undef CCIO_SEARCH_TIME
-#undef CCIO_MAP_STATS
+/* depends on proc fs support. But costs CPU performance. */
+#undef CCIO_COLLECT_STATS
 #endif
 
 #include <linux/proc_fs.h>
@@ -239,12 +232,10 @@ struct ioc {
 	u32 res_size;		    	/* size of resource map in bytes */
 	spinlock_t res_lock;
 
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
 #define CCIO_SEARCH_SAMPLE 0x100
 	unsigned long avg_search[CCIO_SEARCH_SAMPLE];
 	unsigned long avg_idx;		  /* current index into avg_search */
-#endif
-#ifdef CCIO_MAP_STATS
 	unsigned long used_pages;
 	unsigned long msingle_calls;
 	unsigned long msingle_pages;
@@ -351,7 +342,7 @@ ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size)
 	unsigned int pages_needed = size >> IOVP_SHIFT;
 	unsigned int res_idx;
 	unsigned long boundary_size;
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
 	unsigned long cr_start = mfctl(16);
 #endif
 	
@@ -406,7 +397,7 @@ resource_found:
 	DBG_RES("%s() res_idx %d res_hint: %d\n",
 		__func__, res_idx, ioc->res_hint);
 
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
 	{
 		unsigned long cr_end = mfctl(16);
 		unsigned long tmp = cr_end - cr_start;
@@ -416,7 +407,7 @@ resource_found:
 	ioc->avg_search[ioc->avg_idx++] = cr_start;
 	ioc->avg_idx &= CCIO_SEARCH_SAMPLE - 1;
 #endif
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 	ioc->used_pages += pages_needed;
 #endif
 	/* 
@@ -452,7 +443,7 @@ ccio_free_range(struct ioc *ioc, dma_addr_t iova, unsigned long pages_mapped)
 	DBG_RES("%s():  res_idx: %d pages_mapped %d\n", 
 		__func__, res_idx, pages_mapped);
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 	ioc->used_pages -= pages_mapped;
 #endif
 
@@ -764,7 +755,7 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
 	size = ALIGN(size + offset, IOVP_SIZE);
 	spin_lock_irqsave(&ioc->res_lock, flags);
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 	ioc->msingle_calls++;
 	ioc->msingle_pages += size >> IOVP_SHIFT;
 #endif
@@ -828,7 +819,7 @@ ccio_unmap_single(struct device *dev, dma_addr_t iova, size_t size,
 
 	spin_lock_irqsave(&ioc->res_lock, flags);
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 	ioc->usingle_calls++;
 	ioc->usingle_pages += size >> IOVP_SHIFT;
 #endif
@@ -894,7 +885,7 @@ ccio_free_consistent(struct device *dev, size_t size, void *cpu_addr,
 */
 #define PIDE_FLAG 0x80000000UL
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 #define IOMMU_MAP_STATS
 #endif
 #include "iommu-helpers.h"
@@ -938,7 +929,7 @@ ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
 	
 	spin_lock_irqsave(&ioc->res_lock, flags);
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 	ioc->msg_calls++;
 #endif
 
@@ -997,13 +988,13 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
 	DBG_RUN_SG("%s() START %d entries,  %08lx,%x\n",
 		__func__, nents, sg_virt_addr(sglist), sglist->length);
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 	ioc->usg_calls++;
 #endif
 
 	while(sg_dma_len(sglist) && nents--) {
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 		ioc->usg_pages += sg_dma_len(sglist) >> PAGE_SHIFT;
 #endif
 		ccio_unmap_single(dev, sg_dma_address(sglist),
@@ -1048,7 +1039,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
 		len += seq_printf(m, "IO PDIR size    : %d bytes (%d entries)\n",
 			       total_pages * 8, total_pages);
 
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 		len += seq_printf(m, "IO PDIR entries : %ld free  %ld used (%d%%)\n",
 				  total_pages - ioc->used_pages, ioc->used_pages,
 				  (int)(ioc->used_pages * 100 / total_pages));
@@ -1057,7 +1048,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
 		len += seq_printf(m, "Resource bitmap : %d bytes (%d pages)\n", 
 				  ioc->res_size, total_pages);
 
-#ifdef CCIO_SEARCH_TIME
+#ifdef CCIO_COLLECT_STATS
 		min = max = ioc->avg_search[0];
 		for(j = 0; j < CCIO_SEARCH_SAMPLE; ++j) {
 			avg += ioc->avg_search[j];
@@ -1070,7 +1061,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
 		len += seq_printf(m, "  Bitmap search : %ld/%ld/%ld (min/avg/max CPU Cycles)\n",
 				  min, avg, max);
 #endif
-#ifdef CCIO_MAP_STATS
+#ifdef CCIO_COLLECT_STATS
 		len += seq_printf(m, "pci_map_single(): %8ld calls  %8ld pages (avg %d/1000)\n",
 				  ioc->msingle_calls, ioc->msingle_pages,
 				  (int)((ioc->msingle_pages * 1000)/ioc->msingle_calls));
@@ -1088,7 +1079,7 @@ static int ccio_proc_info(struct seq_file *m, void *p)
 		len += seq_printf(m, "pci_unmap_sg()  : %8ld calls  %8ld pages (avg %d/1000)\n\n\n",
 				  ioc->usg_calls, ioc->usg_pages,
 				  (int)((ioc->usg_pages * 1000)/ioc->usg_calls));
-#endif	/* CCIO_MAP_STATS */
+#endif	/* CCIO_COLLECT_STATS */
 
 		ioc = ioc->next;
 	}
-- 
GitLab


From 6c86cb8237bf08443806089130dc108051569a93 Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Mon, 28 Jul 2008 22:52:18 -0400
Subject: [PATCH 0315/2224] parisc: move pdc_result to real2.S

---
 arch/parisc/kernel/asm-offsets.c |  3 +++
 arch/parisc/kernel/firmware.c    |  4 ++--
 arch/parisc/kernel/real2.S       | 12 ++++++++++++
 include/asm-parisc/pdc.h         |  3 +++
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index 3efc0b73e4f..699cf8ef211 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -290,5 +290,8 @@ int main(void)
 	DEFINE(EXCDATA_IP, offsetof(struct exception_data, fault_ip));
 	DEFINE(EXCDATA_SPACE, offsetof(struct exception_data, fault_space));
 	DEFINE(EXCDATA_ADDR, offsetof(struct exception_data, fault_addr));
+	BLANK();
+	DEFINE(ASM_PDC_RESULT_SIZE, NUM_PDC_RESULT * sizeof(unsigned long));
+	BLANK();
 	return 0;
 }
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 7177a6cd1b7..99a9e505edf 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -71,8 +71,8 @@
 #include <asm/processor.h>	/* for boot_cpu_data */
 
 static DEFINE_SPINLOCK(pdc_lock);
-static unsigned long pdc_result[32] __attribute__ ((aligned (8)));
-static unsigned long pdc_result2[32] __attribute__ ((aligned (8)));
+extern unsigned long pdc_result[NUM_PDC_RESULT];
+extern unsigned long pdc_result2[NUM_PDC_RESULT];
 
 #ifdef CONFIG_64BIT
 #define WIDE_FIRMWARE 0x1
diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S
index 7a92695d95a..5f3d3a1f903 100644
--- a/arch/parisc/kernel/real2.S
+++ b/arch/parisc/kernel/real2.S
@@ -8,12 +8,24 @@
  *
  */
 
+#include <asm/pdc.h>
 #include <asm/psw.h>
 #include <asm/assembly.h>
+#include <asm/asm-offsets.h>
 
 #include <linux/linkage.h>
 
+
 	.section	.bss
+
+	.export pdc_result
+	.export pdc_result2
+	.align 8
+pdc_result:
+	.block	ASM_PDC_RESULT_SIZE
+pdc_result2:
+	.block	ASM_PDC_RESULT_SIZE
+
 	.export real_stack
 	.export real32_stack
 	.export real64_stack
diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h
index 9eaa794c3e4..46b75f9cce5 100644
--- a/include/asm-parisc/pdc.h
+++ b/include/asm-parisc/pdc.h
@@ -332,6 +332,9 @@
 #define BOOT_CONSOLE_SPA_OFFSET  0x3c4
 #define BOOT_CONSOLE_PATH_OFFSET 0x3a8
 
+/* size of the pdc_result buffer for firmware.c */
+#define NUM_PDC_RESULT	32
+
 #if !defined(__ASSEMBLY__)
 #ifdef __KERNEL__
 
-- 
GitLab


From deae26bf6a10e47983606f5df080b91e97650ead Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Mon, 28 Jul 2008 23:02:13 -0400
Subject: [PATCH 0316/2224] parisc: move include/asm-parisc to
 arch/parisc/include/asm

---
 {include/asm-parisc => arch/parisc/include/asm}/Kbuild            | 0
 {include/asm-parisc => arch/parisc/include/asm}/a.out.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/agp.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/asmregs.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/assembly.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/atomic.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/auxvec.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/bitops.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/bug.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/bugs.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/byteorder.h       | 0
 {include/asm-parisc => arch/parisc/include/asm}/cache.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/cacheflush.h      | 0
 {include/asm-parisc => arch/parisc/include/asm}/checksum.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/compat.h          | 0
 .../asm-parisc => arch/parisc/include/asm}/compat_rt_sigframe.h   | 0
 {include/asm-parisc => arch/parisc/include/asm}/compat_signal.h   | 0
 {include/asm-parisc => arch/parisc/include/asm}/compat_ucontext.h | 0
 {include/asm-parisc => arch/parisc/include/asm}/cputime.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/current.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/delay.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/device.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/div64.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/dma-mapping.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/dma.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/eisa_bus.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/eisa_eeprom.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/elf.h             | 0
 .../asm-parisc => arch/parisc/include/asm}/emergency-restart.h    | 0
 {include/asm-parisc => arch/parisc/include/asm}/errno.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/fb.h              | 0
 {include/asm-parisc => arch/parisc/include/asm}/fcntl.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/fixmap.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/floppy.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/futex.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/grfioctl.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/hardirq.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/hardware.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/hw_irq.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/ide.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/io.h              | 0
 {include/asm-parisc => arch/parisc/include/asm}/ioctl.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/ioctls.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/ipcbuf.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/irq.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/irq_regs.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/kdebug.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/kmap_types.h      | 0
 {include/asm-parisc => arch/parisc/include/asm}/led.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/linkage.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/local.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/machdep.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/mc146818rtc.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/mckinley.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/mman.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/mmu.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/mmu_context.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/mmzone.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/module.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/msgbuf.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/mutex.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/page.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/param.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/parisc-device.h   | 0
 {include/asm-parisc => arch/parisc/include/asm}/parport.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/pci.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/pdc.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/pdc_chassis.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/pdcpat.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/percpu.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/perf.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/pgalloc.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/pgtable.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/poll.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/posix_types.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/prefetch.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/processor.h       | 0
 {include/asm-parisc => arch/parisc/include/asm}/psw.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/ptrace.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/real.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/resource.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/ropes.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/rt_sigframe.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/rtc.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/runway.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/scatterlist.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/sections.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/segment.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/sembuf.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/serial.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/setup.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/shmbuf.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/shmparam.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/sigcontext.h      | 0
 {include/asm-parisc => arch/parisc/include/asm}/siginfo.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/signal.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/smp.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/socket.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/sockios.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/spinlock.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/spinlock_types.h  | 0
 {include/asm-parisc => arch/parisc/include/asm}/stat.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/statfs.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/string.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/superio.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/system.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/termbits.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/termios.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/thread_info.h     | 0
 {include/asm-parisc => arch/parisc/include/asm}/timex.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/tlb.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/tlbflush.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/topology.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/traps.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/types.h           | 0
 {include/asm-parisc => arch/parisc/include/asm}/uaccess.h         | 0
 {include/asm-parisc => arch/parisc/include/asm}/ucontext.h        | 0
 {include/asm-parisc => arch/parisc/include/asm}/unaligned.h       | 0
 {include/asm-parisc => arch/parisc/include/asm}/unistd.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/unwind.h          | 0
 {include/asm-parisc => arch/parisc/include/asm}/user.h            | 0
 {include/asm-parisc => arch/parisc/include/asm}/vga.h             | 0
 {include/asm-parisc => arch/parisc/include/asm}/xor.h             | 0
 123 files changed, 0 insertions(+), 0 deletions(-)
 rename {include/asm-parisc => arch/parisc/include/asm}/Kbuild (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/a.out.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/agp.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/asmregs.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/assembly.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/atomic.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/auxvec.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/bitops.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/bug.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/bugs.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/byteorder.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/cache.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/cacheflush.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/checksum.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/compat.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/compat_rt_sigframe.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/compat_signal.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/compat_ucontext.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/cputime.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/current.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/delay.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/device.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/div64.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/dma-mapping.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/dma.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/eisa_bus.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/eisa_eeprom.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/elf.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/emergency-restart.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/errno.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/fb.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/fcntl.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/fixmap.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/floppy.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/futex.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/grfioctl.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/hardirq.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/hardware.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/hw_irq.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/ide.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/io.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/ioctl.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/ioctls.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/ipcbuf.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/irq.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/irq_regs.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/kdebug.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/kmap_types.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/led.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/linkage.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/local.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/machdep.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/mc146818rtc.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/mckinley.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/mman.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/mmu.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/mmu_context.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/mmzone.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/module.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/msgbuf.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/mutex.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/page.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/param.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/parisc-device.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/parport.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/pci.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/pdc.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/pdc_chassis.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/pdcpat.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/percpu.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/perf.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/pgalloc.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/pgtable.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/poll.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/posix_types.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/prefetch.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/processor.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/psw.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/ptrace.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/real.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/resource.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/ropes.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/rt_sigframe.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/rtc.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/runway.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/scatterlist.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/sections.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/segment.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/sembuf.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/serial.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/setup.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/shmbuf.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/shmparam.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/sigcontext.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/siginfo.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/signal.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/smp.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/socket.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/sockios.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/spinlock.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/spinlock_types.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/stat.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/statfs.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/string.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/superio.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/system.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/termbits.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/termios.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/thread_info.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/timex.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/tlb.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/tlbflush.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/topology.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/traps.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/types.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/uaccess.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/ucontext.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/unaligned.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/unistd.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/unwind.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/user.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/vga.h (100%)
 rename {include/asm-parisc => arch/parisc/include/asm}/xor.h (100%)

diff --git a/include/asm-parisc/Kbuild b/arch/parisc/include/asm/Kbuild
similarity index 100%
rename from include/asm-parisc/Kbuild
rename to arch/parisc/include/asm/Kbuild
diff --git a/include/asm-parisc/a.out.h b/arch/parisc/include/asm/a.out.h
similarity index 100%
rename from include/asm-parisc/a.out.h
rename to arch/parisc/include/asm/a.out.h
diff --git a/include/asm-parisc/agp.h b/arch/parisc/include/asm/agp.h
similarity index 100%
rename from include/asm-parisc/agp.h
rename to arch/parisc/include/asm/agp.h
diff --git a/include/asm-parisc/asmregs.h b/arch/parisc/include/asm/asmregs.h
similarity index 100%
rename from include/asm-parisc/asmregs.h
rename to arch/parisc/include/asm/asmregs.h
diff --git a/include/asm-parisc/assembly.h b/arch/parisc/include/asm/assembly.h
similarity index 100%
rename from include/asm-parisc/assembly.h
rename to arch/parisc/include/asm/assembly.h
diff --git a/include/asm-parisc/atomic.h b/arch/parisc/include/asm/atomic.h
similarity index 100%
rename from include/asm-parisc/atomic.h
rename to arch/parisc/include/asm/atomic.h
diff --git a/include/asm-parisc/auxvec.h b/arch/parisc/include/asm/auxvec.h
similarity index 100%
rename from include/asm-parisc/auxvec.h
rename to arch/parisc/include/asm/auxvec.h
diff --git a/include/asm-parisc/bitops.h b/arch/parisc/include/asm/bitops.h
similarity index 100%
rename from include/asm-parisc/bitops.h
rename to arch/parisc/include/asm/bitops.h
diff --git a/include/asm-parisc/bug.h b/arch/parisc/include/asm/bug.h
similarity index 100%
rename from include/asm-parisc/bug.h
rename to arch/parisc/include/asm/bug.h
diff --git a/include/asm-parisc/bugs.h b/arch/parisc/include/asm/bugs.h
similarity index 100%
rename from include/asm-parisc/bugs.h
rename to arch/parisc/include/asm/bugs.h
diff --git a/include/asm-parisc/byteorder.h b/arch/parisc/include/asm/byteorder.h
similarity index 100%
rename from include/asm-parisc/byteorder.h
rename to arch/parisc/include/asm/byteorder.h
diff --git a/include/asm-parisc/cache.h b/arch/parisc/include/asm/cache.h
similarity index 100%
rename from include/asm-parisc/cache.h
rename to arch/parisc/include/asm/cache.h
diff --git a/include/asm-parisc/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
similarity index 100%
rename from include/asm-parisc/cacheflush.h
rename to arch/parisc/include/asm/cacheflush.h
diff --git a/include/asm-parisc/checksum.h b/arch/parisc/include/asm/checksum.h
similarity index 100%
rename from include/asm-parisc/checksum.h
rename to arch/parisc/include/asm/checksum.h
diff --git a/include/asm-parisc/compat.h b/arch/parisc/include/asm/compat.h
similarity index 100%
rename from include/asm-parisc/compat.h
rename to arch/parisc/include/asm/compat.h
diff --git a/include/asm-parisc/compat_rt_sigframe.h b/arch/parisc/include/asm/compat_rt_sigframe.h
similarity index 100%
rename from include/asm-parisc/compat_rt_sigframe.h
rename to arch/parisc/include/asm/compat_rt_sigframe.h
diff --git a/include/asm-parisc/compat_signal.h b/arch/parisc/include/asm/compat_signal.h
similarity index 100%
rename from include/asm-parisc/compat_signal.h
rename to arch/parisc/include/asm/compat_signal.h
diff --git a/include/asm-parisc/compat_ucontext.h b/arch/parisc/include/asm/compat_ucontext.h
similarity index 100%
rename from include/asm-parisc/compat_ucontext.h
rename to arch/parisc/include/asm/compat_ucontext.h
diff --git a/include/asm-parisc/cputime.h b/arch/parisc/include/asm/cputime.h
similarity index 100%
rename from include/asm-parisc/cputime.h
rename to arch/parisc/include/asm/cputime.h
diff --git a/include/asm-parisc/current.h b/arch/parisc/include/asm/current.h
similarity index 100%
rename from include/asm-parisc/current.h
rename to arch/parisc/include/asm/current.h
diff --git a/include/asm-parisc/delay.h b/arch/parisc/include/asm/delay.h
similarity index 100%
rename from include/asm-parisc/delay.h
rename to arch/parisc/include/asm/delay.h
diff --git a/include/asm-parisc/device.h b/arch/parisc/include/asm/device.h
similarity index 100%
rename from include/asm-parisc/device.h
rename to arch/parisc/include/asm/device.h
diff --git a/include/asm-parisc/div64.h b/arch/parisc/include/asm/div64.h
similarity index 100%
rename from include/asm-parisc/div64.h
rename to arch/parisc/include/asm/div64.h
diff --git a/include/asm-parisc/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
similarity index 100%
rename from include/asm-parisc/dma-mapping.h
rename to arch/parisc/include/asm/dma-mapping.h
diff --git a/include/asm-parisc/dma.h b/arch/parisc/include/asm/dma.h
similarity index 100%
rename from include/asm-parisc/dma.h
rename to arch/parisc/include/asm/dma.h
diff --git a/include/asm-parisc/eisa_bus.h b/arch/parisc/include/asm/eisa_bus.h
similarity index 100%
rename from include/asm-parisc/eisa_bus.h
rename to arch/parisc/include/asm/eisa_bus.h
diff --git a/include/asm-parisc/eisa_eeprom.h b/arch/parisc/include/asm/eisa_eeprom.h
similarity index 100%
rename from include/asm-parisc/eisa_eeprom.h
rename to arch/parisc/include/asm/eisa_eeprom.h
diff --git a/include/asm-parisc/elf.h b/arch/parisc/include/asm/elf.h
similarity index 100%
rename from include/asm-parisc/elf.h
rename to arch/parisc/include/asm/elf.h
diff --git a/include/asm-parisc/emergency-restart.h b/arch/parisc/include/asm/emergency-restart.h
similarity index 100%
rename from include/asm-parisc/emergency-restart.h
rename to arch/parisc/include/asm/emergency-restart.h
diff --git a/include/asm-parisc/errno.h b/arch/parisc/include/asm/errno.h
similarity index 100%
rename from include/asm-parisc/errno.h
rename to arch/parisc/include/asm/errno.h
diff --git a/include/asm-parisc/fb.h b/arch/parisc/include/asm/fb.h
similarity index 100%
rename from include/asm-parisc/fb.h
rename to arch/parisc/include/asm/fb.h
diff --git a/include/asm-parisc/fcntl.h b/arch/parisc/include/asm/fcntl.h
similarity index 100%
rename from include/asm-parisc/fcntl.h
rename to arch/parisc/include/asm/fcntl.h
diff --git a/include/asm-parisc/fixmap.h b/arch/parisc/include/asm/fixmap.h
similarity index 100%
rename from include/asm-parisc/fixmap.h
rename to arch/parisc/include/asm/fixmap.h
diff --git a/include/asm-parisc/floppy.h b/arch/parisc/include/asm/floppy.h
similarity index 100%
rename from include/asm-parisc/floppy.h
rename to arch/parisc/include/asm/floppy.h
diff --git a/include/asm-parisc/futex.h b/arch/parisc/include/asm/futex.h
similarity index 100%
rename from include/asm-parisc/futex.h
rename to arch/parisc/include/asm/futex.h
diff --git a/include/asm-parisc/grfioctl.h b/arch/parisc/include/asm/grfioctl.h
similarity index 100%
rename from include/asm-parisc/grfioctl.h
rename to arch/parisc/include/asm/grfioctl.h
diff --git a/include/asm-parisc/hardirq.h b/arch/parisc/include/asm/hardirq.h
similarity index 100%
rename from include/asm-parisc/hardirq.h
rename to arch/parisc/include/asm/hardirq.h
diff --git a/include/asm-parisc/hardware.h b/arch/parisc/include/asm/hardware.h
similarity index 100%
rename from include/asm-parisc/hardware.h
rename to arch/parisc/include/asm/hardware.h
diff --git a/include/asm-parisc/hw_irq.h b/arch/parisc/include/asm/hw_irq.h
similarity index 100%
rename from include/asm-parisc/hw_irq.h
rename to arch/parisc/include/asm/hw_irq.h
diff --git a/include/asm-parisc/ide.h b/arch/parisc/include/asm/ide.h
similarity index 100%
rename from include/asm-parisc/ide.h
rename to arch/parisc/include/asm/ide.h
diff --git a/include/asm-parisc/io.h b/arch/parisc/include/asm/io.h
similarity index 100%
rename from include/asm-parisc/io.h
rename to arch/parisc/include/asm/io.h
diff --git a/include/asm-parisc/ioctl.h b/arch/parisc/include/asm/ioctl.h
similarity index 100%
rename from include/asm-parisc/ioctl.h
rename to arch/parisc/include/asm/ioctl.h
diff --git a/include/asm-parisc/ioctls.h b/arch/parisc/include/asm/ioctls.h
similarity index 100%
rename from include/asm-parisc/ioctls.h
rename to arch/parisc/include/asm/ioctls.h
diff --git a/include/asm-parisc/ipcbuf.h b/arch/parisc/include/asm/ipcbuf.h
similarity index 100%
rename from include/asm-parisc/ipcbuf.h
rename to arch/parisc/include/asm/ipcbuf.h
diff --git a/include/asm-parisc/irq.h b/arch/parisc/include/asm/irq.h
similarity index 100%
rename from include/asm-parisc/irq.h
rename to arch/parisc/include/asm/irq.h
diff --git a/include/asm-parisc/irq_regs.h b/arch/parisc/include/asm/irq_regs.h
similarity index 100%
rename from include/asm-parisc/irq_regs.h
rename to arch/parisc/include/asm/irq_regs.h
diff --git a/include/asm-parisc/kdebug.h b/arch/parisc/include/asm/kdebug.h
similarity index 100%
rename from include/asm-parisc/kdebug.h
rename to arch/parisc/include/asm/kdebug.h
diff --git a/include/asm-parisc/kmap_types.h b/arch/parisc/include/asm/kmap_types.h
similarity index 100%
rename from include/asm-parisc/kmap_types.h
rename to arch/parisc/include/asm/kmap_types.h
diff --git a/include/asm-parisc/led.h b/arch/parisc/include/asm/led.h
similarity index 100%
rename from include/asm-parisc/led.h
rename to arch/parisc/include/asm/led.h
diff --git a/include/asm-parisc/linkage.h b/arch/parisc/include/asm/linkage.h
similarity index 100%
rename from include/asm-parisc/linkage.h
rename to arch/parisc/include/asm/linkage.h
diff --git a/include/asm-parisc/local.h b/arch/parisc/include/asm/local.h
similarity index 100%
rename from include/asm-parisc/local.h
rename to arch/parisc/include/asm/local.h
diff --git a/include/asm-parisc/machdep.h b/arch/parisc/include/asm/machdep.h
similarity index 100%
rename from include/asm-parisc/machdep.h
rename to arch/parisc/include/asm/machdep.h
diff --git a/include/asm-parisc/mc146818rtc.h b/arch/parisc/include/asm/mc146818rtc.h
similarity index 100%
rename from include/asm-parisc/mc146818rtc.h
rename to arch/parisc/include/asm/mc146818rtc.h
diff --git a/include/asm-parisc/mckinley.h b/arch/parisc/include/asm/mckinley.h
similarity index 100%
rename from include/asm-parisc/mckinley.h
rename to arch/parisc/include/asm/mckinley.h
diff --git a/include/asm-parisc/mman.h b/arch/parisc/include/asm/mman.h
similarity index 100%
rename from include/asm-parisc/mman.h
rename to arch/parisc/include/asm/mman.h
diff --git a/include/asm-parisc/mmu.h b/arch/parisc/include/asm/mmu.h
similarity index 100%
rename from include/asm-parisc/mmu.h
rename to arch/parisc/include/asm/mmu.h
diff --git a/include/asm-parisc/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
similarity index 100%
rename from include/asm-parisc/mmu_context.h
rename to arch/parisc/include/asm/mmu_context.h
diff --git a/include/asm-parisc/mmzone.h b/arch/parisc/include/asm/mmzone.h
similarity index 100%
rename from include/asm-parisc/mmzone.h
rename to arch/parisc/include/asm/mmzone.h
diff --git a/include/asm-parisc/module.h b/arch/parisc/include/asm/module.h
similarity index 100%
rename from include/asm-parisc/module.h
rename to arch/parisc/include/asm/module.h
diff --git a/include/asm-parisc/msgbuf.h b/arch/parisc/include/asm/msgbuf.h
similarity index 100%
rename from include/asm-parisc/msgbuf.h
rename to arch/parisc/include/asm/msgbuf.h
diff --git a/include/asm-parisc/mutex.h b/arch/parisc/include/asm/mutex.h
similarity index 100%
rename from include/asm-parisc/mutex.h
rename to arch/parisc/include/asm/mutex.h
diff --git a/include/asm-parisc/page.h b/arch/parisc/include/asm/page.h
similarity index 100%
rename from include/asm-parisc/page.h
rename to arch/parisc/include/asm/page.h
diff --git a/include/asm-parisc/param.h b/arch/parisc/include/asm/param.h
similarity index 100%
rename from include/asm-parisc/param.h
rename to arch/parisc/include/asm/param.h
diff --git a/include/asm-parisc/parisc-device.h b/arch/parisc/include/asm/parisc-device.h
similarity index 100%
rename from include/asm-parisc/parisc-device.h
rename to arch/parisc/include/asm/parisc-device.h
diff --git a/include/asm-parisc/parport.h b/arch/parisc/include/asm/parport.h
similarity index 100%
rename from include/asm-parisc/parport.h
rename to arch/parisc/include/asm/parport.h
diff --git a/include/asm-parisc/pci.h b/arch/parisc/include/asm/pci.h
similarity index 100%
rename from include/asm-parisc/pci.h
rename to arch/parisc/include/asm/pci.h
diff --git a/include/asm-parisc/pdc.h b/arch/parisc/include/asm/pdc.h
similarity index 100%
rename from include/asm-parisc/pdc.h
rename to arch/parisc/include/asm/pdc.h
diff --git a/include/asm-parisc/pdc_chassis.h b/arch/parisc/include/asm/pdc_chassis.h
similarity index 100%
rename from include/asm-parisc/pdc_chassis.h
rename to arch/parisc/include/asm/pdc_chassis.h
diff --git a/include/asm-parisc/pdcpat.h b/arch/parisc/include/asm/pdcpat.h
similarity index 100%
rename from include/asm-parisc/pdcpat.h
rename to arch/parisc/include/asm/pdcpat.h
diff --git a/include/asm-parisc/percpu.h b/arch/parisc/include/asm/percpu.h
similarity index 100%
rename from include/asm-parisc/percpu.h
rename to arch/parisc/include/asm/percpu.h
diff --git a/include/asm-parisc/perf.h b/arch/parisc/include/asm/perf.h
similarity index 100%
rename from include/asm-parisc/perf.h
rename to arch/parisc/include/asm/perf.h
diff --git a/include/asm-parisc/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
similarity index 100%
rename from include/asm-parisc/pgalloc.h
rename to arch/parisc/include/asm/pgalloc.h
diff --git a/include/asm-parisc/pgtable.h b/arch/parisc/include/asm/pgtable.h
similarity index 100%
rename from include/asm-parisc/pgtable.h
rename to arch/parisc/include/asm/pgtable.h
diff --git a/include/asm-parisc/poll.h b/arch/parisc/include/asm/poll.h
similarity index 100%
rename from include/asm-parisc/poll.h
rename to arch/parisc/include/asm/poll.h
diff --git a/include/asm-parisc/posix_types.h b/arch/parisc/include/asm/posix_types.h
similarity index 100%
rename from include/asm-parisc/posix_types.h
rename to arch/parisc/include/asm/posix_types.h
diff --git a/include/asm-parisc/prefetch.h b/arch/parisc/include/asm/prefetch.h
similarity index 100%
rename from include/asm-parisc/prefetch.h
rename to arch/parisc/include/asm/prefetch.h
diff --git a/include/asm-parisc/processor.h b/arch/parisc/include/asm/processor.h
similarity index 100%
rename from include/asm-parisc/processor.h
rename to arch/parisc/include/asm/processor.h
diff --git a/include/asm-parisc/psw.h b/arch/parisc/include/asm/psw.h
similarity index 100%
rename from include/asm-parisc/psw.h
rename to arch/parisc/include/asm/psw.h
diff --git a/include/asm-parisc/ptrace.h b/arch/parisc/include/asm/ptrace.h
similarity index 100%
rename from include/asm-parisc/ptrace.h
rename to arch/parisc/include/asm/ptrace.h
diff --git a/include/asm-parisc/real.h b/arch/parisc/include/asm/real.h
similarity index 100%
rename from include/asm-parisc/real.h
rename to arch/parisc/include/asm/real.h
diff --git a/include/asm-parisc/resource.h b/arch/parisc/include/asm/resource.h
similarity index 100%
rename from include/asm-parisc/resource.h
rename to arch/parisc/include/asm/resource.h
diff --git a/include/asm-parisc/ropes.h b/arch/parisc/include/asm/ropes.h
similarity index 100%
rename from include/asm-parisc/ropes.h
rename to arch/parisc/include/asm/ropes.h
diff --git a/include/asm-parisc/rt_sigframe.h b/arch/parisc/include/asm/rt_sigframe.h
similarity index 100%
rename from include/asm-parisc/rt_sigframe.h
rename to arch/parisc/include/asm/rt_sigframe.h
diff --git a/include/asm-parisc/rtc.h b/arch/parisc/include/asm/rtc.h
similarity index 100%
rename from include/asm-parisc/rtc.h
rename to arch/parisc/include/asm/rtc.h
diff --git a/include/asm-parisc/runway.h b/arch/parisc/include/asm/runway.h
similarity index 100%
rename from include/asm-parisc/runway.h
rename to arch/parisc/include/asm/runway.h
diff --git a/include/asm-parisc/scatterlist.h b/arch/parisc/include/asm/scatterlist.h
similarity index 100%
rename from include/asm-parisc/scatterlist.h
rename to arch/parisc/include/asm/scatterlist.h
diff --git a/include/asm-parisc/sections.h b/arch/parisc/include/asm/sections.h
similarity index 100%
rename from include/asm-parisc/sections.h
rename to arch/parisc/include/asm/sections.h
diff --git a/include/asm-parisc/segment.h b/arch/parisc/include/asm/segment.h
similarity index 100%
rename from include/asm-parisc/segment.h
rename to arch/parisc/include/asm/segment.h
diff --git a/include/asm-parisc/sembuf.h b/arch/parisc/include/asm/sembuf.h
similarity index 100%
rename from include/asm-parisc/sembuf.h
rename to arch/parisc/include/asm/sembuf.h
diff --git a/include/asm-parisc/serial.h b/arch/parisc/include/asm/serial.h
similarity index 100%
rename from include/asm-parisc/serial.h
rename to arch/parisc/include/asm/serial.h
diff --git a/include/asm-parisc/setup.h b/arch/parisc/include/asm/setup.h
similarity index 100%
rename from include/asm-parisc/setup.h
rename to arch/parisc/include/asm/setup.h
diff --git a/include/asm-parisc/shmbuf.h b/arch/parisc/include/asm/shmbuf.h
similarity index 100%
rename from include/asm-parisc/shmbuf.h
rename to arch/parisc/include/asm/shmbuf.h
diff --git a/include/asm-parisc/shmparam.h b/arch/parisc/include/asm/shmparam.h
similarity index 100%
rename from include/asm-parisc/shmparam.h
rename to arch/parisc/include/asm/shmparam.h
diff --git a/include/asm-parisc/sigcontext.h b/arch/parisc/include/asm/sigcontext.h
similarity index 100%
rename from include/asm-parisc/sigcontext.h
rename to arch/parisc/include/asm/sigcontext.h
diff --git a/include/asm-parisc/siginfo.h b/arch/parisc/include/asm/siginfo.h
similarity index 100%
rename from include/asm-parisc/siginfo.h
rename to arch/parisc/include/asm/siginfo.h
diff --git a/include/asm-parisc/signal.h b/arch/parisc/include/asm/signal.h
similarity index 100%
rename from include/asm-parisc/signal.h
rename to arch/parisc/include/asm/signal.h
diff --git a/include/asm-parisc/smp.h b/arch/parisc/include/asm/smp.h
similarity index 100%
rename from include/asm-parisc/smp.h
rename to arch/parisc/include/asm/smp.h
diff --git a/include/asm-parisc/socket.h b/arch/parisc/include/asm/socket.h
similarity index 100%
rename from include/asm-parisc/socket.h
rename to arch/parisc/include/asm/socket.h
diff --git a/include/asm-parisc/sockios.h b/arch/parisc/include/asm/sockios.h
similarity index 100%
rename from include/asm-parisc/sockios.h
rename to arch/parisc/include/asm/sockios.h
diff --git a/include/asm-parisc/spinlock.h b/arch/parisc/include/asm/spinlock.h
similarity index 100%
rename from include/asm-parisc/spinlock.h
rename to arch/parisc/include/asm/spinlock.h
diff --git a/include/asm-parisc/spinlock_types.h b/arch/parisc/include/asm/spinlock_types.h
similarity index 100%
rename from include/asm-parisc/spinlock_types.h
rename to arch/parisc/include/asm/spinlock_types.h
diff --git a/include/asm-parisc/stat.h b/arch/parisc/include/asm/stat.h
similarity index 100%
rename from include/asm-parisc/stat.h
rename to arch/parisc/include/asm/stat.h
diff --git a/include/asm-parisc/statfs.h b/arch/parisc/include/asm/statfs.h
similarity index 100%
rename from include/asm-parisc/statfs.h
rename to arch/parisc/include/asm/statfs.h
diff --git a/include/asm-parisc/string.h b/arch/parisc/include/asm/string.h
similarity index 100%
rename from include/asm-parisc/string.h
rename to arch/parisc/include/asm/string.h
diff --git a/include/asm-parisc/superio.h b/arch/parisc/include/asm/superio.h
similarity index 100%
rename from include/asm-parisc/superio.h
rename to arch/parisc/include/asm/superio.h
diff --git a/include/asm-parisc/system.h b/arch/parisc/include/asm/system.h
similarity index 100%
rename from include/asm-parisc/system.h
rename to arch/parisc/include/asm/system.h
diff --git a/include/asm-parisc/termbits.h b/arch/parisc/include/asm/termbits.h
similarity index 100%
rename from include/asm-parisc/termbits.h
rename to arch/parisc/include/asm/termbits.h
diff --git a/include/asm-parisc/termios.h b/arch/parisc/include/asm/termios.h
similarity index 100%
rename from include/asm-parisc/termios.h
rename to arch/parisc/include/asm/termios.h
diff --git a/include/asm-parisc/thread_info.h b/arch/parisc/include/asm/thread_info.h
similarity index 100%
rename from include/asm-parisc/thread_info.h
rename to arch/parisc/include/asm/thread_info.h
diff --git a/include/asm-parisc/timex.h b/arch/parisc/include/asm/timex.h
similarity index 100%
rename from include/asm-parisc/timex.h
rename to arch/parisc/include/asm/timex.h
diff --git a/include/asm-parisc/tlb.h b/arch/parisc/include/asm/tlb.h
similarity index 100%
rename from include/asm-parisc/tlb.h
rename to arch/parisc/include/asm/tlb.h
diff --git a/include/asm-parisc/tlbflush.h b/arch/parisc/include/asm/tlbflush.h
similarity index 100%
rename from include/asm-parisc/tlbflush.h
rename to arch/parisc/include/asm/tlbflush.h
diff --git a/include/asm-parisc/topology.h b/arch/parisc/include/asm/topology.h
similarity index 100%
rename from include/asm-parisc/topology.h
rename to arch/parisc/include/asm/topology.h
diff --git a/include/asm-parisc/traps.h b/arch/parisc/include/asm/traps.h
similarity index 100%
rename from include/asm-parisc/traps.h
rename to arch/parisc/include/asm/traps.h
diff --git a/include/asm-parisc/types.h b/arch/parisc/include/asm/types.h
similarity index 100%
rename from include/asm-parisc/types.h
rename to arch/parisc/include/asm/types.h
diff --git a/include/asm-parisc/uaccess.h b/arch/parisc/include/asm/uaccess.h
similarity index 100%
rename from include/asm-parisc/uaccess.h
rename to arch/parisc/include/asm/uaccess.h
diff --git a/include/asm-parisc/ucontext.h b/arch/parisc/include/asm/ucontext.h
similarity index 100%
rename from include/asm-parisc/ucontext.h
rename to arch/parisc/include/asm/ucontext.h
diff --git a/include/asm-parisc/unaligned.h b/arch/parisc/include/asm/unaligned.h
similarity index 100%
rename from include/asm-parisc/unaligned.h
rename to arch/parisc/include/asm/unaligned.h
diff --git a/include/asm-parisc/unistd.h b/arch/parisc/include/asm/unistd.h
similarity index 100%
rename from include/asm-parisc/unistd.h
rename to arch/parisc/include/asm/unistd.h
diff --git a/include/asm-parisc/unwind.h b/arch/parisc/include/asm/unwind.h
similarity index 100%
rename from include/asm-parisc/unwind.h
rename to arch/parisc/include/asm/unwind.h
diff --git a/include/asm-parisc/user.h b/arch/parisc/include/asm/user.h
similarity index 100%
rename from include/asm-parisc/user.h
rename to arch/parisc/include/asm/user.h
diff --git a/include/asm-parisc/vga.h b/arch/parisc/include/asm/vga.h
similarity index 100%
rename from include/asm-parisc/vga.h
rename to arch/parisc/include/asm/vga.h
diff --git a/include/asm-parisc/xor.h b/arch/parisc/include/asm/xor.h
similarity index 100%
rename from include/asm-parisc/xor.h
rename to arch/parisc/include/asm/xor.h
-- 
GitLab


From 24b574d052a1996bac42fbd56715ab602092c291 Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Tue, 29 Jul 2008 00:09:22 -0400
Subject: [PATCH 0317/2224] parisc: add pdc_coproc_cfg_unlocked and
 set_firmware_width_unlocked

These functions are called only when bringing up the monarch cpu,
so it is safe to call them without taking the pdc spinlock. In the
future, this may become relevant for lockdep, since these functions were
taking spinlocks before start_kernel called the lockdep initializers.
---
 arch/parisc/include/asm/pdc.h |  2 ++
 arch/parisc/kernel/firmware.c | 65 ++++++++++++++++++++++++-----------
 2 files changed, 46 insertions(+), 21 deletions(-)

diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 46b75f9cce5..c584b00c607 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -603,6 +603,7 @@ int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsi
 int pdc_chassis_disp(unsigned long disp);
 int pdc_chassis_warn(unsigned long *warn);
 int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
+int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
 int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
 		  void *iodc_data, unsigned int iodc_data_size);
 int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
@@ -641,6 +642,7 @@ int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
 #endif
 
 void set_firmware_width(void);
+void set_firmware_width_unlocked(void);
 int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
 int pdc_do_reset(void);
 int pdc_soft_power_info(unsigned long *power_reg);
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 99a9e505edf..03f26bd75bd 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -150,26 +150,40 @@ static void convert_to_wide(unsigned long *addr)
 #endif
 }
 
+#ifdef CONFIG_64BIT
+void __init set_firmware_width_unlocked(void)
+{
+	int ret;
+
+	ret = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES,
+		__pa(pdc_result), 0);
+	convert_to_wide(pdc_result);
+	if (pdc_result[0] != NARROW_FIRMWARE)
+		parisc_narrow_firmware = 0;
+}
+	
 /**
  * set_firmware_width - Determine if the firmware is wide or narrow.
  * 
- * This function must be called before any pdc_* function that uses the convert_to_wide
- * function.
+ * This function must be called before any pdc_* function that uses the
+ * convert_to_wide function.
  */
 void __init set_firmware_width(void)
 {
-#ifdef CONFIG_64BIT
-	int retval;
 	unsigned long flags;
+	spin_lock_irqsave(&pdc_lock, flags);
+	set_firmware_width_unlocked();
+	spin_unlock_irqrestore(&pdc_lock, flags);
+}
+#else
+void __init set_firmware_width_unlocked(void) {
+	return;
+}
 
-        spin_lock_irqsave(&pdc_lock, flags);
-	retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0);
-	convert_to_wide(pdc_result);
-	if(pdc_result[0] != NARROW_FIRMWARE)
-		parisc_narrow_firmware = 0;
-        spin_unlock_irqrestore(&pdc_lock, flags);
-#endif
+void __init set_firmware_width(void) {
+	return;
 }
+#endif /*CONFIG_64BIT*/
 
 /**
  * pdc_emergency_unlock - Unlock the linux pdc lock
@@ -288,6 +302,20 @@ int pdc_chassis_warn(unsigned long *warn)
 	return retval;
 }
 
+int __init pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info)
+{
+	int ret;
+
+	ret = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result));
+	convert_to_wide(pdc_result);
+	pdc_coproc_info->ccr_functional = pdc_result[0];
+	pdc_coproc_info->ccr_present = pdc_result[1];
+	pdc_coproc_info->revision = pdc_result[17];
+	pdc_coproc_info->model = pdc_result[18];
+
+	return ret;
+}
+
 /**
  * pdc_coproc_cfg - To identify coprocessors attached to the processor.
  * @pdc_coproc_info: Return buffer address.
@@ -297,19 +325,14 @@ int pdc_chassis_warn(unsigned long *warn)
  */
 int __init pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info)
 {
-        int retval;
+	int ret;
 	unsigned long flags;
 
-        spin_lock_irqsave(&pdc_lock, flags);
-        retval = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result));
-        convert_to_wide(pdc_result);
-        pdc_coproc_info->ccr_functional = pdc_result[0];
-        pdc_coproc_info->ccr_present = pdc_result[1];
-        pdc_coproc_info->revision = pdc_result[17];
-        pdc_coproc_info->model = pdc_result[18];
-        spin_unlock_irqrestore(&pdc_lock, flags);
+	spin_lock_irqsave(&pdc_lock, flags);
+	ret = pdc_coproc_cfg_unlocked(pdc_coproc_info);
+	spin_unlock_irqrestore(&pdc_lock, flags);
 
-        return retval;
+	return ret;
 }
 
 /**
-- 
GitLab


From 089d55289db5d58d938d73b47a415b2b82ee19ac Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Tue, 29 Jul 2008 00:11:13 -0400
Subject: [PATCH 0318/2224] parisc: hijack jump to start_kernel

Bang in our own start_parisc call, which initializes the PDC
width, and turns on the FPU.

Previously, if CONFIG_PRINTK_TIME was on, we'd attempt to use
the FPU before we had enabled it, resulting in a difficult
to diagnose panic.

This patch causes init_per_cpu to redundantly set these for
cpu0, but this is harmless.
---
 arch/parisc/kernel/head.S  |  2 +-
 arch/parisc/kernel/setup.c | 27 ++++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index a84e31e8287..0e3d9f9b9e3 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -121,7 +121,7 @@ $pgt_fill_loop:
 	copy		%r0,%r2
 
 	/* And the RFI Target address too */
-	load32		start_kernel,%r11
+	load32		start_parisc,%r11
 
 	/* And the initial task pointer */
 	load32		init_thread_union,%r6
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 39e7c5a5946..a59b71efdbe 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -368,6 +368,31 @@ static int __init parisc_init(void)
 
 	return 0;
 }
-
 arch_initcall(parisc_init);
 
+void start_parisc(void)
+{
+	extern void start_kernel(void);
+
+	int ret, cpunum;
+	struct pdc_coproc_cfg coproc_cfg;
+
+	cpunum = smp_processor_id();
+
+	set_firmware_width_unlocked();
+
+	ret = pdc_coproc_cfg_unlocked(&coproc_cfg);
+	if (ret >= 0 && coproc_cfg.ccr_functional) {
+		mtctl(coproc_cfg.ccr_functional, 10);
+
+		cpu_data[cpunum].fp_rev = coproc_cfg.revision;
+		cpu_data[cpunum].fp_model = coproc_cfg.model;
+
+		asm volatile ("fstd	%fr0,8(%sp)");
+	} else {
+		panic("must have an fpu to boot linux");
+	}
+
+	start_kernel();
+	// not reached
+}
-- 
GitLab


From 0be7d1fe4361bb9f2ebbd6fa394687cbe4bea950 Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Sat, 9 Aug 2008 14:38:18 -0400
Subject: [PATCH 0319/2224] parisc: add new syscalls

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
---
 arch/parisc/include/asm/unistd.h   | 10 ++++++++--
 arch/parisc/kernel/syscall_table.S |  6 ++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index a7d857f0e4f..ef26b009dc5 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -801,8 +801,14 @@
 #define __NR_timerfd_create	(__NR_Linux + 306)
 #define __NR_timerfd_settime	(__NR_Linux + 307)
 #define __NR_timerfd_gettime	(__NR_Linux + 308)
-
-#define __NR_Linux_syscalls	(__NR_timerfd_gettime + 1)
+#define __NR_signalfd4		(__NR_Linux + 309)
+#define __NR_eventfd2		(__NR_Linux + 310)
+#define __NR_epoll_create1	(__NR_Linux + 311)
+#define __NR_dup3		(__NR_Linux + 312)
+#define __NR_pipe2		(__NR_Linux + 313)
+#define __NR_inotify_init1	(__NR_Linux + 314)
+
+#define __NR_Linux_syscalls	(__NR_inotify_init1 + 1)
 
 
 #define __IGNORE_select		/* newselect */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 6b5ac38f5a9..6084667eacf 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -407,6 +407,12 @@
 	ENTRY_SAME(timerfd_create)
 	ENTRY_COMP(timerfd_settime)
 	ENTRY_COMP(timerfd_gettime)
+	ENTRY_COMP(signalfd4)
+	ENTRY_SAME(eventfd2)		/* 310 */
+	ENTRY_SAME(epoll_create1)
+	ENTRY_SAME(dup3)
+	ENTRY_SAME(pipe2)
+	ENTRY_SAME(inotify_init1)
 
 	/* Nothing yet */
 
-- 
GitLab


From f0514ae323f19ba1ad4bea4174ea274c812f7eee Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Thu, 11 Sep 2008 10:17:23 -0400
Subject: [PATCH 0320/2224] parisc: initialize unwinder much earlier

The unwinder was being initialized way too late to be any use
debugging early boot crashes. Instead of relying on module_init
initcalls to initialize it, let's do it explicitly as early as
we can.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
---
 arch/parisc/include/asm/unwind.h | 2 ++
 arch/parisc/kernel/setup.c       | 2 ++
 arch/parisc/kernel/unwind.c      | 4 +---
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/parisc/include/asm/unwind.h b/arch/parisc/include/asm/unwind.h
index 2f7e6e50a15..52482e4fc20 100644
--- a/arch/parisc/include/asm/unwind.h
+++ b/arch/parisc/include/asm/unwind.h
@@ -74,4 +74,6 @@ void unwind_frame_init_running(struct unwind_frame_info *info, struct pt_regs *r
 int unwind_once(struct unwind_frame_info *info);
 int unwind_to_user(struct unwind_frame_info *info);
 
+int unwind_init(void);
+
 #endif
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index a59b71efdbe..7d27853ff8c 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -44,6 +44,7 @@
 #include <asm/pdc_chassis.h>
 #include <asm/io.h>
 #include <asm/setup.h>
+#include <asm/unwind.h>
 
 static char __initdata command_line[COMMAND_LINE_SIZE];
 
@@ -123,6 +124,7 @@ void __init setup_arch(char **cmdline_p)
 #ifdef CONFIG_64BIT
 	extern int parisc_narrow_firmware;
 #endif
+	unwind_init();
 
 	init_per_cpu(smp_processor_id());	/* Set Modes & Enable FP */
 
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index 701b2d2d888..6773c582e45 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -170,7 +170,7 @@ void unwind_table_remove(struct unwind_table *table)
 }
 
 /* Called from setup_arch to import the kernel unwind info */
-static int unwind_init(void)
+int unwind_init(void)
 {
 	long start, stop;
 	register unsigned long gp __asm__ ("r27");
@@ -417,5 +417,3 @@ int unwind_to_user(struct unwind_frame_info *info)
 
 	return ret;
 }
-
-module_init(unwind_init);
-- 
GitLab


From 9eb1686423756f4dfb0ad8bfb02bb8bf1b89e50a Mon Sep 17 00:00:00 2001
From: Kyle McMartin <kyle@mcmartin.ca>
Date: Wed, 10 Sep 2008 14:24:07 +0000
Subject: [PATCH 0321/2224] parisc: add rtc platform driver

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
---
 arch/parisc/Kconfig       |   2 +
 arch/parisc/kernel/time.c |  20 ++++++-
 drivers/rtc/Kconfig       |   8 +++
 drivers/rtc/Makefile      |   1 +
 drivers/rtc/rtc-parisc.c  | 111 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 141 insertions(+), 1 deletion(-)
 create mode 100644 drivers/rtc/rtc-parisc.c

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index a7d4fd353c2..0a8ac703dbe 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -9,6 +9,8 @@ config PARISC
 	def_bool y
 	select HAVE_IDE
 	select HAVE_OPROFILE
+	select RTC_CLASS
+	select RTC_DRV_PARISC
 	help
 	  The PA-RISC microprocessor is designed by Hewlett-Packard and used
 	  in many of their workstations & servers (HP9000 700 and 800 series,
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 24be86bba94..4d09203bc69 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -23,6 +23,7 @@
 #include <linux/smp.h>
 #include <linux/profile.h>
 #include <linux/clocksource.h>
+#include <linux/platform_device.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -215,6 +216,24 @@ void __init start_cpu_itimer(void)
 	cpu_data[cpu].it_value = next_tick;
 }
 
+struct platform_device rtc_parisc_dev = {
+	.name = "rtc-parisc",
+	.id = -1,
+};
+
+static int __init rtc_init(void)
+{
+	int ret;
+
+	ret = platform_device_register(&rtc_parisc_dev);
+	if (ret < 0)
+		printk(KERN_ERR "unable to register rtc device...\n");
+
+	/* not necessarily an error */
+	return 0;
+}
+module_init(rtc_init);
+
 void __init time_init(void)
 {
 	static struct pdc_tod tod_data;
@@ -245,4 +264,3 @@ void __init time_init(void)
 		xtime.tv_nsec = 0;
 	}
 }
-
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 9a9755c92fa..30d40fe194a 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -575,6 +575,14 @@ config RTC_DRV_RS5C313
 	help
 	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.
 
+config RTC_DRV_PARISC
+	tristate "PA-RISC firmware RTC support"
+	depends on PARISC
+	help
+	  Say Y or M here to enable RTC support on PA-RISC systems using
+	  firmware calls. If you do not know what you are doing, you should
+	  just say Y.
+
 config RTC_DRV_PPC
        tristate "PowerPC machine dependent RTC support"
        depends on PPC_MERGE
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 18622ef84ca..180ddacde73 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_RTC_DRV_PCF8563)	+= rtc-pcf8563.o
 obj-$(CONFIG_RTC_DRV_PCF8583)	+= rtc-pcf8583.o
 obj-$(CONFIG_RTC_DRV_PL030)	+= rtc-pl030.o
 obj-$(CONFIG_RTC_DRV_PL031)	+= rtc-pl031.o
+obj-$(CONFIG_RTC_DRV_PARISC)	+= rtc-parisc.o
 obj-$(CONFIG_RTC_DRV_PPC)	+= rtc-ppc.o
 obj-$(CONFIG_RTC_DRV_R9701)	+= rtc-r9701.o
 obj-$(CONFIG_RTC_DRV_RS5C313)	+= rtc-rs5c313.o
diff --git a/drivers/rtc/rtc-parisc.c b/drivers/rtc/rtc-parisc.c
new file mode 100644
index 00000000000..346d633655e
--- /dev/null
+++ b/drivers/rtc/rtc-parisc.c
@@ -0,0 +1,111 @@
+/* rtc-parisc: RTC for HP PA-RISC firmware
+ *
+ * Copyright (C) 2008 Kyle McMartin <kyle@mcmartin.ca>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/platform_device.h>
+
+#include <asm/rtc.h>
+
+/* as simple as can be, and no simpler. */
+struct parisc_rtc {
+	struct rtc_device *rtc;
+	spinlock_t lock;
+};
+
+static int parisc_get_time(struct device *dev, struct rtc_time *tm)
+{
+	struct parisc_rtc *p = dev_get_drvdata(dev);
+	unsigned long flags, ret;
+
+	spin_lock_irqsave(&p->lock, flags);
+	ret = get_rtc_time(tm);
+	spin_unlock_irqrestore(&p->lock, flags);
+
+	if (ret & RTC_BATT_BAD)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+static int parisc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct parisc_rtc *p = dev_get_drvdata(dev);
+	unsigned long flags, ret;
+
+	spin_lock_irqsave(&p->lock, flags);
+	ret = set_rtc_time(tm);
+	spin_unlock_irqrestore(&p->lock, flags);
+
+	if (ret < 0)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+static const struct rtc_class_ops parisc_rtc_ops = {
+	.read_time = parisc_get_time,
+	.set_time = parisc_set_time,
+};
+
+static int __devinit parisc_rtc_probe(struct platform_device *dev)
+{
+	struct parisc_rtc *p;
+
+	p = kzalloc(sizeof (*p), GFP_KERNEL);
+	if (!p)
+		return -ENOMEM;
+
+	spin_lock_init(&p->lock);
+
+	p->rtc = rtc_device_register("rtc-parisc", &dev->dev, &parisc_rtc_ops,
+					THIS_MODULE);
+	if (IS_ERR(p->rtc)) {
+		int err = PTR_ERR(p->rtc);
+		kfree(p);
+		return err;
+	}
+
+	platform_set_drvdata(dev, p);
+
+	return 0;
+}
+
+static int __devexit parisc_rtc_remove(struct platform_device *dev)
+{
+	struct parisc_rtc *p = platform_get_drvdata(dev);
+
+	rtc_device_unregister(p->rtc);
+	kfree(p);
+
+	return 0;
+}
+
+static struct platform_driver parisc_rtc_driver = {
+	.driver = {
+		.name = "rtc-parisc",
+		.owner = THIS_MODULE,
+	},
+	.probe = parisc_rtc_probe,
+	.remove = __devexit_p(parisc_rtc_remove),
+};
+
+static int __init parisc_rtc_init(void)
+{
+	return platform_driver_register(&parisc_rtc_driver);
+}
+
+static void __exit parisc_rtc_fini(void)
+{
+	platform_driver_unregister(&parisc_rtc_driver);
+}
+
+module_init(parisc_rtc_init);
+module_exit(parisc_rtc_fini);
+
+MODULE_AUTHOR("Kyle McMartin <kyle@mcmartin.ca>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("HP PA-RISC RTC driver");
-- 
GitLab


From 6aea938f54ca785ce3bea67a8948698225c6ca58 Mon Sep 17 00:00:00 2001
From: Julien Brunel <brunel@diku.dk>
Date: Fri, 10 Oct 2008 12:00:19 -0700
Subject: [PATCH 0322/2224] RDMA/ucma: Test ucma_alloc_multicast() return
 against NULL, not with IS_ERR()

In case of error, the function ucma_alloc_multicast() returns a NULL
pointer, but never returns an ERR pointer.  So after a call to this
function, an IS_ERR test should be replaced by a NULL test.

The semantic match that finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@match bad_is_err_test@
expression x, E;
@@

x = ucma_alloc_multicast(...)
... when != x = E
IS_ERR(x)
// </smpl>

Signed-off-by:  Julien Brunel <brunel@diku.dk>
Signed-off-by:  Julia Lawall <julia@diku.dk>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/core/ucma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 3ddacf39b7b..4346a24568f 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -904,8 +904,8 @@ static ssize_t ucma_join_multicast(struct ucma_file *file,
 
 	mutex_lock(&file->mut);
 	mc = ucma_alloc_multicast(ctx);
-	if (IS_ERR(mc)) {
-		ret = PTR_ERR(mc);
+	if (!mc) {
+		ret = -ENOMEM;
 		goto err1;
 	}
 
-- 
GitLab


From a3cdcbfa8fb1fccfe48d359da86e99546610c562 Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Fri, 10 Oct 2008 12:01:37 -0700
Subject: [PATCH 0323/2224] mlx4_core: Add QP range reservation support

To allow allocating an aligned range of consecutive QP numbers, add an
interface to reserve an aligned range of QP numbers and have the QP
allocation function always take a QP number.

This will be used for RSS support in the mlx4_en Ethernet driver and
also potentially by IPoIB RSS support.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/mlx4/qp.c | 21 +++++++++-
 drivers/net/mlx4/alloc.c        | 74 ++++++++++++++++++++++++++++++++-
 drivers/net/mlx4/mlx4.h         |  2 +
 drivers/net/mlx4/qp.c           | 45 +++++++++++++-------
 include/linux/mlx4/device.h     |  5 ++-
 5 files changed, 129 insertions(+), 18 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index baa01deb243..39167a797f9 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -451,6 +451,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
 			    struct ib_qp_init_attr *init_attr,
 			    struct ib_udata *udata, int sqpn, struct mlx4_ib_qp *qp)
 {
+	int qpn;
 	int err;
 
 	mutex_init(&qp->mutex);
@@ -545,9 +546,17 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
 		}
 	}
 
-	err = mlx4_qp_alloc(dev->dev, sqpn, &qp->mqp);
+	if (sqpn) {
+		qpn = sqpn;
+	} else {
+		err = mlx4_qp_reserve_range(dev->dev, 1, 1, &qpn);
+		if (err)
+			goto err_wrid;
+	}
+
+	err = mlx4_qp_alloc(dev->dev, qpn, &qp->mqp);
 	if (err)
-		goto err_wrid;
+		goto err_qpn;
 
 	/*
 	 * Hardware wants QPN written in big-endian order (after
@@ -560,6 +569,10 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
 
 	return 0;
 
+err_qpn:
+	if (!sqpn)
+		mlx4_qp_release_range(dev->dev, qpn, 1);
+
 err_wrid:
 	if (pd->uobject) {
 		if (!init_attr->srq)
@@ -655,6 +668,10 @@ static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp,
 	mlx4_ib_unlock_cqs(send_cq, recv_cq);
 
 	mlx4_qp_free(dev->dev, &qp->mqp);
+
+	if (!is_sqp(dev, qp))
+		mlx4_qp_release_range(dev->dev, qp->mqp.qpn, 1);
+
 	mlx4_mtt_cleanup(dev->dev, &qp->mtt);
 
 	if (is_user) {
diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c
index 096bca54bcf..e6c0d5bb5dc 100644
--- a/drivers/net/mlx4/alloc.c
+++ b/drivers/net/mlx4/alloc.c
@@ -65,10 +65,82 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap)
 
 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj)
 {
+	mlx4_bitmap_free_range(bitmap, obj, 1);
+}
+
+static unsigned long find_aligned_range(unsigned long *bitmap,
+					u32 start, u32 nbits,
+					int len, int align)
+{
+	unsigned long end, i;
+
+again:
+	start = ALIGN(start, align);
+
+	while ((start < nbits) && test_bit(start, bitmap))
+		start += align;
+
+	if (start >= nbits)
+		return -1;
+
+	end = start+len;
+	if (end > nbits)
+		return -1;
+
+	for (i = start + 1; i < end; i++) {
+		if (test_bit(i, bitmap)) {
+			start = i + 1;
+			goto again;
+		}
+	}
+
+	return start;
+}
+
+u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
+{
+	u32 obj, i;
+
+	if (likely(cnt == 1 && align == 1))
+		return mlx4_bitmap_alloc(bitmap);
+
+	spin_lock(&bitmap->lock);
+
+	obj = find_aligned_range(bitmap->table, bitmap->last,
+				 bitmap->max, cnt, align);
+	if (obj >= bitmap->max) {
+		bitmap->top = (bitmap->top + bitmap->max) & bitmap->mask;
+		obj = find_aligned_range(bitmap->table, 0,
+					 bitmap->max,
+					 cnt, align);
+	}
+
+	if (obj < bitmap->max) {
+		for (i = 0; i < cnt; i++)
+			set_bit(obj + i, bitmap->table);
+		if (obj == bitmap->last) {
+			bitmap->last = (obj + cnt);
+			if (bitmap->last >= bitmap->max)
+				bitmap->last = 0;
+		}
+		obj |= bitmap->top;
+	} else
+		obj = -1;
+
+	spin_unlock(&bitmap->lock);
+
+	return obj;
+}
+
+void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt)
+{
+	u32 i;
+
 	obj &= bitmap->max - 1;
 
 	spin_lock(&bitmap->lock);
-	clear_bit(obj, bitmap->table);
+	for (i = 0; i < cnt; i++)
+		clear_bit(obj + i, bitmap->table);
 	bitmap->last = min(bitmap->last, obj);
 	bitmap->top = (bitmap->top + bitmap->max) & bitmap->mask;
 	spin_unlock(&bitmap->lock);
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 5337e3ac3e7..b55ddab73f6 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -288,6 +288,8 @@ static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
 
 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
+u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align);
+void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt);
 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved);
 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
 
diff --git a/drivers/net/mlx4/qp.c b/drivers/net/mlx4/qp.c
index c49a86044bf..98e0c40ba36 100644
--- a/drivers/net/mlx4/qp.c
+++ b/drivers/net/mlx4/qp.c
@@ -147,19 +147,42 @@ int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 }
 EXPORT_SYMBOL_GPL(mlx4_qp_modify);
 
-int mlx4_qp_alloc(struct mlx4_dev *dev, int sqpn, struct mlx4_qp *qp)
+int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_qp_table *qp_table = &priv->qp_table;
+	int qpn;
+
+	qpn = mlx4_bitmap_alloc_range(&qp_table->bitmap, cnt, align);
+	if (qpn == -1)
+		return -ENOMEM;
+
+	*base = qpn;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mlx4_qp_reserve_range);
+
+void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_qp_table *qp_table = &priv->qp_table;
+	if (base_qpn < dev->caps.sqp_start + 8)
+		return;
+
+	mlx4_bitmap_free_range(&qp_table->bitmap, base_qpn, cnt);
+}
+EXPORT_SYMBOL_GPL(mlx4_qp_release_range);
+
+int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_qp_table *qp_table = &priv->qp_table;
 	int err;
 
-	if (sqpn)
-		qp->qpn = sqpn;
-	else {
-		qp->qpn = mlx4_bitmap_alloc(&qp_table->bitmap);
-		if (qp->qpn == -1)
-			return -ENOMEM;
-	}
+	if (!qpn)
+		return -EINVAL;
+
+	qp->qpn = qpn;
 
 	err = mlx4_table_get(dev, &qp_table->qp_table, qp->qpn);
 	if (err)
@@ -208,9 +231,6 @@ err_put_qp:
 	mlx4_table_put(dev, &qp_table->qp_table, qp->qpn);
 
 err_out:
-	if (!sqpn)
-		mlx4_bitmap_free(&qp_table->bitmap, qp->qpn);
-
 	return err;
 }
 EXPORT_SYMBOL_GPL(mlx4_qp_alloc);
@@ -239,9 +259,6 @@ void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp)
 	mlx4_table_put(dev, &qp_table->altc_table, qp->qpn);
 	mlx4_table_put(dev, &qp_table->auxc_table, qp->qpn);
 	mlx4_table_put(dev, &qp_table->qp_table, qp->qpn);
-
-	if (qp->qpn >= dev->caps.sqp_start + 8)
-		mlx4_bitmap_free(&qp_table->bitmap, qp->qpn);
 }
 EXPORT_SYMBOL_GPL(mlx4_qp_free);
 
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index b2f94446831..d21e879f3c9 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -400,7 +400,10 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
 		  int collapsed);
 void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq);
 
-int mlx4_qp_alloc(struct mlx4_dev *dev, int sqpn, struct mlx4_qp *qp);
+int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, int *base);
+void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
+
+int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp);
 void mlx4_qp_free(struct mlx4_dev *dev, struct mlx4_qp *qp);
 
 int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, struct mlx4_mtt *mtt,
-- 
GitLab


From fcea94ba0773a4bf78d109f2acd72d003f0621f6 Mon Sep 17 00:00:00 2001
From: Jan Beulich <jbeulich@novell.com>
Date: Fri, 19 Sep 2008 15:50:32 -0700
Subject: [PATCH 0324/2224] ACPI: fix FADT parsing

The (1.0 inherited) separate length fields in the FADT are byte granular.
Further, PM1a/b may have distinct lengths (if using the v2 fields was
okay) and may live in distinct address spaces.  acpi_tb_convert_fadt()
should account for all of these conditions.

Apart from these changes I'm puzzled by the fact that, not just for
acpi_gbl_xpm1{a,b}_enable, acpi_hw_low_level_{read,write}() get an
explicit size passed rather than using the size found in the passed GAS.
What happens on a platform that defines PM1{a,b} wider than 16 bits?  Of
course, acpi_hw_low_level_{read,write}() at present are entirely
un-prepared to deal with sizes other than 8, 16, or 32, not to speak of a
non-zero bit_offset or access_width...

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/tables/tbfadt.c | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)

diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c
index a4a41ba2484..2c7885e7ffb 100644
--- a/drivers/acpi/tables/tbfadt.c
+++ b/drivers/acpi/tables/tbfadt.c
@@ -50,7 +50,7 @@ ACPI_MODULE_NAME("tbfadt")
 /* Local prototypes */
 static void inline
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
-			     u8 bit_width, u64 address);
+			     u8 byte_width, u64 address);
 
 static void acpi_tb_convert_fadt(void);
 
@@ -111,7 +111,7 @@ static struct acpi_fadt_info fadt_info_table[] = {
  * FUNCTION:    acpi_tb_init_generic_address
  *
  * PARAMETERS:  generic_address     - GAS struct to be initialized
- *              bit_width           - Width of this register
+ *              byte_width          - Width of this register
  *              Address             - Address of the register
  *
  * RETURN:      None
@@ -124,7 +124,7 @@ static struct acpi_fadt_info fadt_info_table[] = {
 
 static void inline
 acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
-			     u8 bit_width, u64 address)
+			     u8 byte_width, u64 address)
 {
 
 	/*
@@ -136,7 +136,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
 	/* All other fields are byte-wide */
 
 	generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
-	generic_address->bit_width = bit_width;
+	generic_address->bit_width = byte_width << 3;
 	generic_address->bit_offset = 0;
 	generic_address->access_width = 0;
 }
@@ -342,9 +342,20 @@ static void acpi_tb_convert_fadt(void)
 	 * useful to calculate them once, here.
 	 *
 	 * The PM event blocks are split into two register blocks, first is the
-	 * PM Status Register block, followed immediately by the PM Enable Register
-	 * block. Each is of length (pm1_event_length/2)
+	 * PM Status Register block, followed immediately by the PM Enable
+	 * Register block. Each is of length (xpm1x_event_block.bit_width/2).
+	 *
+	 * On various systems the v2 fields (and particularly the bit widths)
+	 * cannot be relied upon, though. Hence resort to using the v1 length
+	 * here (and warn about the inconsistency).
 	 */
+	if (acpi_gbl_FADT.xpm1a_event_block.bit_width
+	    != acpi_gbl_FADT.pm1_event_length * 8)
+		printk(KERN_WARNING "FADT: "
+		       "X_PM1a_EVT_BLK.bit_width (%u) does not match"
+		       " PM1_EVT_LEN (%u)\n",
+		       acpi_gbl_FADT.xpm1a_event_block.bit_width,
+		       acpi_gbl_FADT.pm1_event_length);
 	pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);
 
 	/* The PM1A register block is required */
@@ -360,13 +371,20 @@ static void acpi_tb_convert_fadt(void)
 	/* The PM1B register block is optional, ignore if not present */
 
 	if (acpi_gbl_FADT.xpm1b_event_block.address) {
+		if (acpi_gbl_FADT.xpm1b_event_block.bit_width
+		    != acpi_gbl_FADT.pm1_event_length * 8)
+			printk(KERN_WARNING "FADT: "
+			       "X_PM1b_EVT_BLK.bit_width (%u) does not match"
+			       " PM1_EVT_LEN (%u)\n",
+			       acpi_gbl_FADT.xpm1b_event_block.bit_width,
+			       acpi_gbl_FADT.pm1_event_length);
 		acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
 					     pm1_register_length,
 					     (acpi_gbl_FADT.xpm1b_event_block.
 					      address + pm1_register_length));
 		/* Don't forget to copy space_id of the GAS */
 		acpi_gbl_xpm1b_enable.space_id =
-		    acpi_gbl_FADT.xpm1a_event_block.space_id;
+		    acpi_gbl_FADT.xpm1b_event_block.space_id;
 
 	}
 }
-- 
GitLab


From 0e6a66e9cf231140d2e49064d48162728edb7746 Mon Sep 17 00:00:00 2001
From: Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
Date: Thu, 9 Oct 2008 13:44:40 +0930
Subject: [PATCH 0325/2224] fujitsu-laptop: better handling of P8010 hotkey

This patch (mostly from Peter Gruber) improves the handling of the hotkeys
for P8010 laptops by passing more accurate input events back to userspace.
This is needed because the P8010 labels these buttons quite differently to
earlier laptops.  As part of this, a P8010-specific DMI callback check has
been implemented.  Finally there's some minor whitespace cleanups from
running the source through Lindent.

Signed-off-by: Peter Gruber <nokos@gmx.net>
Signed-off-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/fujitsu-laptop.c | 123 ++++++++++++++++++++--------------
 1 file changed, 71 insertions(+), 52 deletions(-)

diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index 3e56203e494..f861db07277 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -44,8 +44,9 @@
  * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are
  * also supported by this driver.
  *
- * This driver has been tested on a Fujitsu Lifebook S6410 and S7020.  It
- * should work on most P-series and S-series Lifebooks, but YMMV.
+ * This driver has been tested on a Fujitsu Lifebook S6410, S7020 and
+ * P8010.  It should work on most P-series and S-series Lifebooks, but
+ * YMMV.
  *
  * The module parameter use_alt_lcd_levels switches between different ACPI
  * brightness controls which are used by different Fujitsu laptops.  In most
@@ -65,7 +66,7 @@
 #include <linux/video_output.h>
 #include <linux/platform_device.h>
 
-#define FUJITSU_DRIVER_VERSION "0.4.2"
+#define FUJITSU_DRIVER_VERSION "0.4.3"
 
 #define FUJITSU_LCD_N_LEVELS 8
 
@@ -83,10 +84,10 @@
 #define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS     0x87
 
 /* Hotkey details */
-#define LOCK_KEY	0x410	/* codes for the keys in the GIRB register */
-#define DISPLAY_KEY	0x411	/* keys are mapped to KEY_SCREENLOCK (the key with the key symbol) */
-#define ENERGY_KEY	0x412	/* KEY_MEDIA (the key with the laptop symbol, KEY_EMAIL (E key)) */
-#define REST_KEY	0x413	/* KEY_SUSPEND (R key) */
+#define KEY1_CODE	0x410	/* codes for the keys in the GIRB register */
+#define KEY2_CODE	0x411
+#define KEY3_CODE	0x412
+#define KEY4_CODE	0x413
 
 #define MAX_HOTKEY_RINGBUFFER_SIZE 100
 #define RINGBUFFERSIZE 40
@@ -123,6 +124,7 @@ struct fujitsu_t {
 	char phys[32];
 	struct backlight_device *bl_device;
 	struct platform_device *pf_device;
+	int keycode1, keycode2, keycode3, keycode4;
 
 	unsigned int max_brightness;
 	unsigned int brightness_changed;
@@ -430,7 +432,7 @@ static struct platform_driver fujitsupf_driver = {
 		   }
 };
 
-static int dmi_check_cb_s6410(const struct dmi_system_id *id)
+static void dmi_check_cb_common(const struct dmi_system_id *id)
 {
 	acpi_handle handle;
 	int have_blnf;
@@ -452,24 +454,40 @@ static int dmi_check_cb_s6410(const struct dmi_system_id *id)
 			    "auto-detecting disable_adjust\n");
 		disable_brightness_adjust = have_blnf ? 0 : 1;
 	}
+}
+
+static int dmi_check_cb_s6410(const struct dmi_system_id *id)
+{
+	dmi_check_cb_common(id);
+	fujitsu->keycode1 = KEY_SCREENLOCK;	/* "Lock" */
+	fujitsu->keycode2 = KEY_HELP;	/* "Mobility Center" */
+	return 0;
+}
+
+static int dmi_check_cb_p8010(const struct dmi_system_id *id)
+{
+	dmi_check_cb_common(id);
+	fujitsu->keycode1 = KEY_HELP;	/* "Support" */
+	fujitsu->keycode3 = KEY_SWITCHVIDEOMODE;	/* "Presentation" */
+	fujitsu->keycode4 = KEY_WWW;	/* "Internet" */
 	return 0;
 }
 
 static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
 	{
-	 .ident = "Fujitsu Siemens",
+	 .ident = "Fujitsu Siemens S6410",
 	 .matches = {
 		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
 		     DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"),
 		     },
 	 .callback = dmi_check_cb_s6410},
 	{
-	 .ident = "FUJITSU LifeBook P8010",
+	 .ident = "Fujitsu LifeBook P8010",
 	 .matches = {
 		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
 		     DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"),
-		    },
-	 .callback = dmi_check_cb_s6410},
+		     },
+	 .callback = dmi_check_cb_p8010},
 	{}
 };
 
@@ -547,7 +565,6 @@ static int acpi_fujitsu_add(struct acpi_device *device)
 	}
 
 	/* do config (detect defaults) */
-	dmi_check_system(fujitsu_dmi_table);
 	use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
 	disable_brightness_keys = disable_brightness_keys == 1 ? 1 : 0;
 	disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
@@ -623,17 +640,17 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
 			keycode = 0;
 			if (disable_brightness_keys != 1) {
 				if (oldb == 0) {
-					acpi_bus_generate_proc_event(fujitsu->
-						dev,
-						ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS,
-						0);
+					acpi_bus_generate_proc_event
+					    (fujitsu->dev,
+					     ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS,
+					     0);
 					keycode = KEY_BRIGHTNESSDOWN;
 				} else if (oldb ==
 					   (fujitsu->max_brightness) - 1) {
-					acpi_bus_generate_proc_event(fujitsu->
-						dev,
-						ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS,
-						0);
+					acpi_bus_generate_proc_event
+					    (fujitsu->dev,
+					     ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS,
+					     0);
 					keycode = KEY_BRIGHTNESSUP;
 				}
 			}
@@ -646,8 +663,7 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
 			}
 			if (disable_brightness_keys != 1) {
 				acpi_bus_generate_proc_event(fujitsu->dev,
-					ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS,
-					0);
+					ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0);
 				keycode = KEY_BRIGHTNESSUP;
 			}
 		} else if (oldb > newb) {
@@ -659,8 +675,7 @@ static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data)
 			}
 			if (disable_brightness_keys != 1) {
 				acpi_bus_generate_proc_event(fujitsu->dev,
-					ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS,
-					0);
+					ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0);
 				keycode = KEY_BRIGHTNESSDOWN;
 			}
 		} else {
@@ -742,10 +757,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
 	input->id.product = 0x06;
 	input->dev.parent = &device->dev;
 	input->evbit[0] = BIT(EV_KEY);
-	set_bit(KEY_SCREENLOCK, input->keybit);
-	set_bit(KEY_MEDIA, input->keybit);
-	set_bit(KEY_EMAIL, input->keybit);
-	set_bit(KEY_SUSPEND, input->keybit);
+	set_bit(fujitsu->keycode1, input->keybit);
+	set_bit(fujitsu->keycode2, input->keybit);
+	set_bit(fujitsu->keycode3, input->keybit);
+	set_bit(fujitsu->keycode4, input->keybit);
 	set_bit(KEY_UNKNOWN, input->keybit);
 
 	error = input_register_device(input);
@@ -833,24 +848,24 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
 				    irb);
 
 			switch (irb & 0x4ff) {
-			case LOCK_KEY:
-				keycode = KEY_SCREENLOCK;
+			case KEY1_CODE:
+				keycode = fujitsu->keycode1;
 				break;
-			case DISPLAY_KEY:
-				keycode = KEY_MEDIA;
+			case KEY2_CODE:
+				keycode = fujitsu->keycode2;
 				break;
-			case ENERGY_KEY:
-				keycode = KEY_EMAIL;
+			case KEY3_CODE:
+				keycode = fujitsu->keycode3;
 				break;
-			case REST_KEY:
-				keycode = KEY_SUSPEND;
+			case KEY4_CODE:
+				keycode = fujitsu->keycode4;
 				break;
 			case 0:
 				keycode = 0;
 				break;
 			default:
 				vdbg_printk(FUJLAPTOP_DBG_WARN,
-					"Unknown GIRB result [%x]\n", irb);
+					    "Unknown GIRB result [%x]\n", irb);
 				keycode = -1;
 				break;
 			}
@@ -859,12 +874,12 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
 					"Push keycode into ringbuffer [%d]\n",
 					keycode);
 				status = kfifo_put(fujitsu_hotkey->fifo,
-						(unsigned char *)&keycode,
-						sizeof(keycode));
+						   (unsigned char *)&keycode,
+						   sizeof(keycode));
 				if (status != sizeof(keycode)) {
 					vdbg_printk(FUJLAPTOP_DBG_WARN,
-						"Could not push keycode [0x%x]\n",
-						keycode);
+					    "Could not push keycode [0x%x]\n",
+					    keycode);
 				} else {
 					input_report_key(input, keycode, 1);
 					input_sync(input);
@@ -879,8 +894,8 @@ static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event,
 					input_report_key(input, keycode_r, 0);
 					input_sync(input);
 					vdbg_printk(FUJLAPTOP_DBG_TRACE,
-						    "Pop keycode from ringbuffer [%d]\n",
-						    keycode_r);
+					  "Pop keycode from ringbuffer [%d]\n",
+					  keycode_r);
 				}
 			}
 		}
@@ -943,6 +958,11 @@ static int __init fujitsu_init(void)
 	if (!fujitsu)
 		return -ENOMEM;
 	memset(fujitsu, 0, sizeof(struct fujitsu_t));
+	fujitsu->keycode1 = KEY_PROG1;
+	fujitsu->keycode2 = KEY_PROG2;
+	fujitsu->keycode3 = KEY_PROG3;
+	fujitsu->keycode4 = KEY_PROG4;
+	dmi_check_system(fujitsu_dmi_table);
 
 	result = acpi_bus_register_driver(&acpi_fujitsu_driver);
 	if (result < 0) {
@@ -1076,15 +1096,14 @@ MODULE_DESCRIPTION("Fujitsu laptop extras support");
 MODULE_VERSION(FUJITSU_DRIVER_VERSION);
 MODULE_LICENSE("GPL");
 
-MODULE_ALIAS
-    ("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*");
-MODULE_ALIAS
-    ("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*");
+MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*");
+MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*");
 
 static struct pnp_device_id pnp_ids[] = {
-	{ .id = "FUJ02bf" },
-	{ .id = "FUJ02B1" },
-	{ .id = "FUJ02E3" },
-	{ .id = "" }
+	{.id = "FUJ02bf"},
+	{.id = "FUJ02B1"},
+	{.id = "FUJ02E3"},
+	{.id = ""}
 };
+
 MODULE_DEVICE_TABLE(pnp, pnp_ids);
-- 
GitLab


From 0540bbbe455e123a1692d26205ad1a29983883b0 Mon Sep 17 00:00:00 2001
From: Hoang-Nam Nguyen <hnguyen@linux.vnet.ibm.com>
Date: Fri, 10 Oct 2008 14:40:39 -0700
Subject: [PATCH 0326/2224] IB/ehca: Don't allow creating UC QP with SRQ

This patch prevents a UC QP to be created attached to an SRQ, since
current firmware does not support this feature.

Signed-off-by: Michael Faath <micfaath@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/ehca/ehca_qp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 4dbe2870e01..40b578d601c 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -502,6 +502,12 @@ static struct ehca_qp *internal_create_qp(
 	if (init_attr->srq) {
 		my_srq = container_of(init_attr->srq, struct ehca_qp, ib_srq);
 
+		if (qp_type == IB_QPT_UC) {
+			ehca_err(pd->device, "UC with SRQ not supported");
+			atomic_dec(&shca->num_qps);
+			return ERR_PTR(-EINVAL);
+		}
+
 		has_srq = 1;
 		parms.ext_type = EQPT_SRQBASE;
 		parms.srq_qpn = my_srq->real_qp_num;
-- 
GitLab


From a195dcdcff33b8ef01a23cbc489fdfcdfa28c88e Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg59@srcf.ucam.org>
Date: Tue, 19 Aug 2008 12:13:20 +0100
Subject: [PATCH 0327/2224] eeepc-laptop: Use standard interfaces

eeepc-laptop currently only sends key events via ACPI and has
non-standard rfkill control. Add an input device and use the rfkill
infrastructure.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/eeepc-laptop.c | 228 +++++++++++++++++++++++++++++++++---
 1 file changed, 209 insertions(+), 19 deletions(-)

diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c
index 1ee8501e90f..5baa10bcaf6 100644
--- a/drivers/misc/eeepc-laptop.c
+++ b/drivers/misc/eeepc-laptop.c
@@ -28,6 +28,8 @@
 #include <acpi/acpi_drivers.h>
 #include <acpi/acpi_bus.h>
 #include <linux/uaccess.h>
+#include <linux/input.h>
+#include <linux/rfkill.h>
 
 #define EEEPC_LAPTOP_VERSION	"0.1"
 
@@ -125,6 +127,10 @@ struct eeepc_hotk {
 					   by this BIOS */
 	uint init_flag;			/* Init flags */
 	u16 event_count[128];		/* count for each event */
+	struct input_dev *inputdev;
+	u16 *keycode_map;
+	struct rfkill *eeepc_wlan_rfkill;
+	struct rfkill *eeepc_bluetooth_rfkill;
 };
 
 /* The actual device the driver binds to */
@@ -140,6 +146,27 @@ static struct platform_driver platform_driver = {
 
 static struct platform_device *platform_device;
 
+struct key_entry {
+	char type;
+	u8 code;
+	u16 keycode;
+};
+
+enum { KE_KEY, KE_END };
+
+static struct key_entry eeepc_keymap[] = {
+	/* Sleep already handled via generic ACPI code */
+	{KE_KEY, 0x10, KEY_WLAN },
+	{KE_KEY, 0x12, KEY_PROG1 },
+	{KE_KEY, 0x13, KEY_MUTE },
+	{KE_KEY, 0x14, KEY_VOLUMEDOWN },
+	{KE_KEY, 0x15, KEY_VOLUMEUP },
+	{KE_KEY, 0x30, KEY_SWITCHVIDEOMODE },
+	{KE_KEY, 0x31, KEY_SWITCHVIDEOMODE },
+	{KE_KEY, 0x32, KEY_SWITCHVIDEOMODE },
+	{KE_END, 0},
+};
+
 /*
  * The hotkey driver declaration
  */
@@ -260,6 +287,44 @@ static int update_bl_status(struct backlight_device *bd)
 	return set_brightness(bd, bd->props.brightness);
 }
 
+/*
+ * Rfkill helpers
+ */
+
+static int eeepc_wlan_rfkill_set(void *data, enum rfkill_state state)
+{
+	if (state == RFKILL_STATE_SOFT_BLOCKED)
+		return set_acpi(CM_ASL_WLAN, 0);
+	else
+		return set_acpi(CM_ASL_WLAN, 1);
+}
+
+static int eeepc_wlan_rfkill_state(void *data, enum rfkill_state *state)
+{
+	if (get_acpi(CM_ASL_WLAN) == 1)
+		*state = RFKILL_STATE_UNBLOCKED;
+	else
+		*state = RFKILL_STATE_SOFT_BLOCKED;
+	return 0;
+}
+
+static int eeepc_bluetooth_rfkill_set(void *data, enum rfkill_state state)
+{
+	if (state == RFKILL_STATE_SOFT_BLOCKED)
+		return set_acpi(CM_ASL_BLUETOOTH, 0);
+	else
+		return set_acpi(CM_ASL_BLUETOOTH, 1);
+}
+
+static int eeepc_bluetooth_rfkill_state(void *data, enum rfkill_state *state)
+{
+	if (get_acpi(CM_ASL_BLUETOOTH) == 1)
+		*state = RFKILL_STATE_UNBLOCKED;
+	else
+		*state = RFKILL_STATE_SOFT_BLOCKED;
+	return 0;
+}
+
 /*
  * Sys helpers
  */
@@ -311,13 +376,11 @@ static ssize_t show_sys_acpi(int cm, char *buf)
 EEEPC_CREATE_DEVICE_ATTR(camera, CM_ASL_CAMERA);
 EEEPC_CREATE_DEVICE_ATTR(cardr, CM_ASL_CARDREADER);
 EEEPC_CREATE_DEVICE_ATTR(disp, CM_ASL_DISPLAYSWITCH);
-EEEPC_CREATE_DEVICE_ATTR(wlan, CM_ASL_WLAN);
 
 static struct attribute *platform_attributes[] = {
 	&dev_attr_camera.attr,
 	&dev_attr_cardr.attr,
 	&dev_attr_disp.attr,
-	&dev_attr_wlan.attr,
 	NULL
 };
 
@@ -328,8 +391,64 @@ static struct attribute_group platform_attribute_group = {
 /*
  * Hotkey functions
  */
+static struct key_entry *eepc_get_entry_by_scancode(int code)
+{
+	struct key_entry *key;
+
+	for (key = eeepc_keymap; key->type != KE_END; key++)
+		if (code == key->code)
+			return key;
+
+	return NULL;
+}
+
+static struct key_entry *eepc_get_entry_by_keycode(int code)
+{
+	struct key_entry *key;
+
+	for (key = eeepc_keymap; key->type != KE_END; key++)
+		if (code == key->keycode && key->type == KE_KEY)
+			return key;
+
+	return NULL;
+}
+
+static int eeepc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+{
+	struct key_entry *key = eepc_get_entry_by_scancode(scancode);
+
+	if (key && key->type == KE_KEY) {
+		*keycode = key->keycode;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int eeepc_setkeycode(struct input_dev *dev, int scancode, int keycode)
+{
+	struct key_entry *key;
+	int old_keycode;
+
+	if (keycode < 0 || keycode > KEY_MAX)
+		return -EINVAL;
+
+	key = eepc_get_entry_by_scancode(scancode);
+	if (key && key->type == KE_KEY) {
+		old_keycode = key->keycode;
+		key->keycode = keycode;
+		set_bit(keycode, dev->keybit);
+		if (!eepc_get_entry_by_keycode(old_keycode))
+			clear_bit(old_keycode, dev->keybit);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
 static int eeepc_hotk_check(void)
 {
+	const struct key_entry *key;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	int result;
 
@@ -356,6 +475,31 @@ static int eeepc_hotk_check(void)
 			       "Get control methods supported: 0x%x\n",
 			       ehotk->cm_supported);
 		}
+		ehotk->inputdev = input_allocate_device();
+		if (!ehotk->inputdev) {
+			printk(EEEPC_INFO "Unable to allocate input device\n");
+			return 0;
+		}
+		ehotk->inputdev->name = "Asus EeePC extra buttons";
+		ehotk->inputdev->phys = EEEPC_HOTK_FILE "/input0";
+		ehotk->inputdev->id.bustype = BUS_HOST;
+		ehotk->inputdev->getkeycode = eeepc_getkeycode;
+		ehotk->inputdev->setkeycode = eeepc_setkeycode;
+
+		for (key = eeepc_keymap; key->type != KE_END; key++) {
+			switch (key->type) {
+			case KE_KEY:
+				set_bit(EV_KEY, ehotk->inputdev->evbit);
+				set_bit(key->keycode, ehotk->inputdev->keybit);
+				break;
+			}
+		}
+		result = input_register_device(ehotk->inputdev);
+		if (result) {
+			printk(EEEPC_INFO "Unable to register input device\n");
+			input_free_device(ehotk->inputdev);
+			return 0;
+		}
 	} else {
 		printk(EEEPC_ERR "Hotkey device not present, aborting\n");
 		return -EINVAL;
@@ -363,21 +507,6 @@ static int eeepc_hotk_check(void)
 	return 0;
 }
 
-static void notify_wlan(u32 *event)
-{
-	/* if DISABLE_ASL_WLAN is set, the notify code for fn+f2
-	   will always be 0x10 */
-	if (ehotk->cm_supported & (0x1 << CM_ASL_WLAN)) {
-		const char *method = cm_getv[CM_ASL_WLAN];
-		int value;
-		if (read_acpi_int(ehotk->handle, method, &value))
-			printk(EEEPC_WARNING "Error reading %s\n",
-			       method);
-		else if (value == 1)
-			*event = 0x11;
-	}
-}
-
 static void notify_brn(void)
 {
 	struct backlight_device *bd = eeepc_backlight_device;
@@ -386,14 +515,28 @@ static void notify_brn(void)
 
 static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data)
 {
+	static struct key_entry *key;
 	if (!ehotk)
 		return;
-	if (event == NOTIFY_WLAN_ON && (DISABLE_ASL_WLAN & ehotk->init_flag))
-		notify_wlan(&event);
 	if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX)
 		notify_brn();
 	acpi_bus_generate_proc_event(ehotk->device, event,
 				     ehotk->event_count[event % 128]++);
+	if (ehotk->inputdev) {
+		key = eepc_get_entry_by_scancode(event);
+		if (key) {
+			switch (key->type) {
+			case KE_KEY:
+				input_report_key(ehotk->inputdev, key->keycode,
+						 1);
+				input_sync(ehotk->inputdev);
+				input_report_key(ehotk->inputdev, key->keycode,
+						 0);
+				input_sync(ehotk->inputdev);
+				break;
+			}
+		}
+	}
 }
 
 static int eeepc_hotk_add(struct acpi_device *device)
@@ -420,6 +563,47 @@ static int eeepc_hotk_add(struct acpi_device *device)
 					     eeepc_hotk_notify, ehotk);
 	if (ACPI_FAILURE(status))
 		printk(EEEPC_ERR "Error installing notify handler\n");
+
+	if (get_acpi(CM_ASL_WLAN) != -1) {
+		ehotk->eeepc_wlan_rfkill = rfkill_allocate(&device->dev,
+							   RFKILL_TYPE_WLAN);
+
+		if (!ehotk->eeepc_wlan_rfkill)
+			goto end;
+
+		ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan";
+		ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set;
+		ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state;
+		if (get_acpi(CM_ASL_WLAN) == 1)
+			ehotk->eeepc_wlan_rfkill->state =
+				RFKILL_STATE_UNBLOCKED;
+		else
+			ehotk->eeepc_wlan_rfkill->state =
+				RFKILL_STATE_SOFT_BLOCKED;
+		rfkill_register(ehotk->eeepc_wlan_rfkill);
+	}
+
+	if (get_acpi(CM_ASL_BLUETOOTH) != -1) {
+		ehotk->eeepc_bluetooth_rfkill =
+			rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH);
+
+		if (!ehotk->eeepc_bluetooth_rfkill)
+			goto end;
+
+		ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth";
+		ehotk->eeepc_bluetooth_rfkill->toggle_radio =
+			eeepc_bluetooth_rfkill_set;
+		ehotk->eeepc_bluetooth_rfkill->get_state =
+			eeepc_bluetooth_rfkill_state;
+		if (get_acpi(CM_ASL_BLUETOOTH) == 1)
+			ehotk->eeepc_bluetooth_rfkill->state =
+				RFKILL_STATE_UNBLOCKED;
+		else
+			ehotk->eeepc_bluetooth_rfkill->state =
+				RFKILL_STATE_SOFT_BLOCKED;
+		rfkill_register(ehotk->eeepc_bluetooth_rfkill);
+	}
+
  end:
 	if (result) {
 		kfree(ehotk);
@@ -553,6 +737,12 @@ static void eeepc_backlight_exit(void)
 {
 	if (eeepc_backlight_device)
 		backlight_device_unregister(eeepc_backlight_device);
+	if (ehotk->inputdev)
+		input_unregister_device(ehotk->inputdev);
+	if (ehotk->eeepc_wlan_rfkill)
+		rfkill_unregister(ehotk->eeepc_wlan_rfkill);
+	if (ehotk->eeepc_bluetooth_rfkill)
+		rfkill_unregister(ehotk->eeepc_bluetooth_rfkill);
 	eeepc_backlight_device = NULL;
 }
 
-- 
GitLab


From d0d0f7432c9cbd52cb2f31d499f8292b13a7ecac Mon Sep 17 00:00:00 2001
From: Matt Mackall <mpm@selenic.com>
Date: Thu, 9 Oct 2008 12:41:50 -0500
Subject: [PATCH 0328/2224] x86: remove magic number from ACPI sleep stack
 buffer

x86_64 SMP suspend to RAM uses a 10k temporary stack for saving the
kernel state, but only 4k of it is used. Shrink it to 4k.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/acpi/sleep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 426e5d91b63..29cf3403abe 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -97,7 +97,7 @@ int acpi_save_state_mem(void)
 #else /* CONFIG_64BIT */
 	header->trampoline_segment = setup_trampoline() >> 4;
 #ifdef CONFIG_SMP
-	stack_start.sp = temp_stack + 4096;
+	stack_start.sp = temp_stack + sizeof(temp_stack);
 #endif
 	initial_code = (unsigned long)wakeup_long64;
 	saved_magic = 0x123456789abcdef0;
-- 
GitLab


From 5000cadcf3188e935dae28c4fc7e24639704ea55 Mon Sep 17 00:00:00 2001
From: Matt Mackall <mpm@selenic.com>
Date: Thu, 9 Oct 2008 11:56:21 -0500
Subject: [PATCH 0329/2224] x86: trim ACPI sleep stack buffer

x86_64 SMP suspend to RAM uses a 10k temporary stack for saving the
kernel state, but only 4k of it is used. Shrink it to 4k.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/acpi/sleep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 29cf3403abe..55d10cbe65b 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -21,7 +21,7 @@ unsigned long acpi_realmode_flags;
 static unsigned long acpi_realmode;
 
 #if defined(CONFIG_SMP) && defined(CONFIG_64BIT)
-static char temp_stack[10240];
+static char temp_stack[4096];
 #endif
 
 /**
-- 
GitLab


From 4b5fcb353ba46adfa2f98546e3d34e7dc65221cb Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Wed, 10 Sep 2008 14:33:43 +0400
Subject: [PATCH 0330/2224] ACPI: acpi_driver_data could only be applied to
 acpi_device

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
CC: Hannes Reinecke <hare@suse.de>

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/scan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f6f52c1a2ab..e7b8853c310 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -384,7 +384,7 @@ static int acpi_device_remove(struct device * dev)
 			acpi_drv->ops.remove(acpi_dev, acpi_dev->removal_type);
 	}
 	acpi_dev->driver = NULL;
-	acpi_driver_data(dev) = NULL;
+	acpi_driver_data(acpi_dev) = NULL;
 
 	put_device(dev);
 	return 0;
-- 
GitLab


From 9e113e0014204bfb44a2baa29b2a141ede41b074 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Mon, 22 Sep 2008 14:37:29 -0700
Subject: [PATCH 0331/2224] ACPI: toshiba_acpi.c fix sparse signedness mismatch
 warnings

set_bit expects unsigned int, and we start with a u32 anyway.
drivers/acpi/toshiba_acpi.c:397:14: warning: incorrect type in argument 1 (different signedness)
drivers/acpi/toshiba_acpi.c:397:14:    expected unsigned int [usertype] *word
drivers/acpi/toshiba_acpi.c:397:14:    got int *<noident>
drivers/acpi/toshiba_acpi.c:399:14: warning: incorrect type in argument 1 (different signedness)
drivers/acpi/toshiba_acpi.c:399:14:    expected unsigned int [usertype] *word
drivers/acpi/toshiba_acpi.c:399:14:    got int *<noident>
drivers/acpi/toshiba_acpi.c:401:14: warning: incorrect type in argument 1 (different signedness)
drivers/acpi/toshiba_acpi.c:401:14:    expected unsigned int [usertype] *word
drivers/acpi/toshiba_acpi.c:401:14:    got int *<noident>

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/toshiba_acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index 0a43c8e0eff..4172d290f27 100644
--- a/drivers/acpi/toshiba_acpi.c
+++ b/drivers/acpi/toshiba_acpi.c
@@ -392,7 +392,7 @@ static unsigned long write_video(const char *buffer, unsigned long count)
 
 	hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result);
 	if (hci_result == HCI_SUCCESS) {
-		int new_video_out = video_out;
+		unsigned int new_video_out = video_out;
 		if (lcd_out != -1)
 			_set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out);
 		if (crt_out != -1)
-- 
GitLab


From db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@suse.cz>
Date: Mon, 22 Sep 2008 14:37:34 -0700
Subject: [PATCH 0332/2224] ACPI: catch calls of acpi_driver_data on pointer of
 wrong type

Catch attempts to use of acpi_driver_data on pointers of wrong type.

akpm: rewritten to use proper C typechecking and remove the
"function"-used-as-lvalue thing.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/ac.c              | 2 +-
 drivers/acpi/acpi_memhotplug.c | 2 +-
 drivers/acpi/asus_acpi.c       | 2 +-
 drivers/acpi/battery.c         | 2 +-
 drivers/acpi/button.c          | 2 +-
 drivers/acpi/container.c       | 2 +-
 drivers/acpi/ec.c              | 4 ++--
 drivers/acpi/fan.c             | 2 +-
 drivers/acpi/pci_link.c        | 2 +-
 drivers/acpi/pci_root.c        | 2 +-
 drivers/acpi/power.c           | 4 ++--
 drivers/acpi/processor_core.c  | 2 +-
 drivers/acpi/sbs.c             | 2 +-
 drivers/acpi/sbshc.c           | 4 ++--
 drivers/acpi/scan.c            | 4 ++--
 drivers/acpi/thermal.c         | 2 +-
 drivers/acpi/video.c           | 6 +++---
 drivers/misc/asus-laptop.c     | 2 +-
 drivers/misc/eeepc-laptop.c    | 2 +-
 drivers/misc/fujitsu-laptop.c  | 4 ++--
 drivers/misc/intel_menlow.c    | 2 +-
 drivers/misc/thinkpad_acpi.c   | 2 +-
 include/acpi/acpi_bus.h        | 6 +++++-
 23 files changed, 34 insertions(+), 30 deletions(-)

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 831883b7d6c..8b6a84a43b1 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -269,7 +269,7 @@ static int acpi_ac_add(struct acpi_device *device)
 	ac->device = device;
 	strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_AC_CLASS);
-	acpi_driver_data(device) = ac;
+	device->driver_data = ac;
 
 	result = acpi_ac_get_state(ac);
 	if (result)
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 5f1127ad5a9..afd955fc0dc 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -403,7 +403,7 @@ static int acpi_memory_device_add(struct acpi_device *device)
 	mem_device->device = device;
 	sprintf(acpi_device_name(device), "%s", ACPI_MEMORY_DEVICE_NAME);
 	sprintf(acpi_device_class(device), "%s", ACPI_MEMORY_DEVICE_CLASS);
-	acpi_driver_data(device) = mem_device;
+	device->driver_data = mem_device;
 
 	/* Get the range from the _CRS */
 	result = acpi_memory_get_device_resources(mem_device);
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index d3d0886d637..91571fc0f17 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -1321,7 +1321,7 @@ static int asus_hotk_add(struct acpi_device *device)
 	hotk->handle = device->handle;
 	strcpy(acpi_device_name(device), ACPI_HOTK_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_HOTK_CLASS);
-	acpi_driver_data(device) = hotk;
+	device->driver_data = hotk;
 	hotk->device = device;
 
 	result = asus_hotk_check();
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b1c723f9f58..de8046933bc 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -804,7 +804,7 @@ static int acpi_battery_add(struct acpi_device *device)
 	battery->device = device;
 	strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
-	acpi_driver_data(device) = battery;
+	device->driver_data = battery;
 	mutex_init(&battery->lock);
 	acpi_battery_update(battery);
 #ifdef CONFIG_ACPI_PROCFS_POWER
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 1dfec413588..e22033ea261 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -384,7 +384,7 @@ static int acpi_button_add(struct acpi_device *device)
 		return -ENOMEM;
 
 	button->device = device;
-	acpi_driver_data(device) = button;
+	device->driver_data = button;
 
 	button->input = input = input_allocate_device();
 	if (!input) {
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 3c25ec7a187..03ea8478e39 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -108,7 +108,7 @@ static int acpi_container_add(struct acpi_device *device)
 	container->handle = device->handle;
 	strcpy(acpi_device_name(device), ACPI_CONTAINER_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_CONTAINER_CLASS);
-	acpi_driver_data(device) = container;
+	device->driver_data = container;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device <%s> bid <%s>\n",
 			  acpi_device_name(device), acpi_device_bid(device)));
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 13593f9f219..5741d99d603 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -788,7 +788,7 @@ static int acpi_ec_add(struct acpi_device *device)
 
 	if (!first_ec)
 		first_ec = ec;
-	acpi_driver_data(device) = ec;
+	device->driver_data = ec;
 	acpi_ec_add_fs(device);
 	pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n",
 			  ec->gpe, ec->command_addr, ec->data_addr);
@@ -813,7 +813,7 @@ static int acpi_ec_remove(struct acpi_device *device, int type)
 	}
 	mutex_unlock(&ec->lock);
 	acpi_ec_remove_fs(device);
-	acpi_driver_data(device) = NULL;
+	device->driver_data = NULL;
 	if (ec == first_ec)
 		first_ec = NULL;
 	kfree(ec);
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 2655bc1b4ee..e603e407070 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -265,7 +265,7 @@ static int acpi_fan_add(struct acpi_device *device)
 
 	dev_info(&device->dev, "registered as cooling_device%d\n", cdev->id);
 
-	acpi_driver_data(device) = cdev;
+	device->driver_data = cdev;
 	result = sysfs_create_link(&device->dev.kobj,
 				   &cdev->device.kobj,
 				   "thermal_cooling");
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index cf47805a744..54cd77a0a78 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -737,7 +737,7 @@ static int acpi_pci_link_add(struct acpi_device *device)
 	link->device = device;
 	strcpy(acpi_device_name(device), ACPI_PCI_LINK_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCI_LINK_CLASS);
-	acpi_driver_data(device) = link;
+	device->driver_data = link;
 
 	mutex_lock(&acpi_link_lock);
 	result = acpi_pci_link_get_possible(link);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index c3fed31166b..add1a19bbbf 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -206,7 +206,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	root->device = device;
 	strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
-	acpi_driver_data(device) = root;
+	device->driver_data = root;
 
 	device->ops.bind = acpi_pci_bind;
 
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 4ab21cb1c8c..1bef9429189 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -657,7 +657,7 @@ static int acpi_power_add(struct acpi_device *device)
 	strcpy(resource->name, device->pnp.bus_id);
 	strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
-	acpi_driver_data(device) = resource;
+	device->driver_data = resource;
 
 	/* Evalute the object to get the system level and resource order. */
 	status = acpi_evaluate_object(device->handle, NULL, NULL, &buffer);
@@ -733,7 +733,7 @@ static int acpi_power_resume(struct acpi_device *device)
 	if (!device || !acpi_driver_data(device))
 		return -EINVAL;
 
-	resource = (struct acpi_power_resource *)acpi_driver_data(device);
+	resource = acpi_driver_data(device);
 
 	result = acpi_power_get_state(resource, &state);
 	if (result)
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index ee68ac54c0d..28946164919 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -818,7 +818,7 @@ static int acpi_processor_add(struct acpi_device *device)
 	pr->handle = device->handle;
 	strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
-	acpi_driver_data(device) = pr;
+	device->driver_data = pr;
 
 	return 0;
 }
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 10a36512647..d0033250b5a 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -931,7 +931,7 @@ static int acpi_sbs_add(struct acpi_device *device)
 	sbs->device = device;
 	strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_SBS_CLASS);
-	acpi_driver_data(device) = sbs;
+	device->driver_data = sbs;
 
 	result = acpi_charger_add(sbs);
 	if (result)
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index a4e3767b8c6..001d9143a2c 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -282,7 +282,7 @@ static int acpi_smbus_hc_add(struct acpi_device *device)
 	hc->ec = acpi_driver_data(device->parent);
 	hc->offset = (val >> 8) & 0xff;
 	hc->query_bit = val & 0xff;
-	acpi_driver_data(device) = hc;
+	device->driver_data = hc;
 
 	acpi_ec_add_query_handler(hc->ec, hc->query_bit, NULL, smbus_alarm, hc);
 	printk(KERN_INFO PREFIX "SBS HC: EC = 0x%p, offset = 0x%0x, query_bit = 0x%0x\n",
@@ -303,7 +303,7 @@ static int acpi_smbus_hc_remove(struct acpi_device *device, int type)
 	hc = acpi_driver_data(device);
 	acpi_ec_remove_query_handler(hc->ec, hc->query_bit);
 	kfree(hc);
-	acpi_driver_data(device) = NULL;
+	device->driver_data = NULL;
 	return 0;
 }
 
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index e7b8853c310..b88536ab040 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -384,7 +384,7 @@ static int acpi_device_remove(struct device * dev)
 			acpi_drv->ops.remove(acpi_dev, acpi_dev->removal_type);
 	}
 	acpi_dev->driver = NULL;
-	acpi_driver_data(acpi_dev) = NULL;
+	acpi_dev->driver_data = NULL;
 
 	put_device(dev);
 	return 0;
@@ -537,7 +537,7 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver)
 	result = driver->ops.add(device);
 	if (result) {
 		device->driver = NULL;
-		acpi_driver_data(device) = NULL;
+		device->driver_data = NULL;
 		return result;
 	}
 
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 912703691d3..e052a75c29c 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1647,7 +1647,7 @@ static int acpi_thermal_add(struct acpi_device *device)
 	strcpy(tz->name, device->pnp.bus_id);
 	strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
-	acpi_driver_data(device) = tz;
+	device->driver_data = tz;
 	mutex_init(&tz->lock);
 
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index e8a51a1700f..85c6554bcb4 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1491,7 +1491,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
 
 		strcpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME);
 		strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
-		acpi_driver_data(device) = data;
+		device->driver_data = data;
 
 		data->device_id = device_id;
 		data->video = video;
@@ -1982,7 +1982,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	video->device = device;
 	strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME);
 	strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
-	acpi_driver_data(device) = video;
+	device->driver_data = video;
 
 	acpi_video_bus_find_cap(video);
 	error = acpi_video_bus_check(video);
@@ -2058,7 +2058,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
 	acpi_video_bus_remove_fs(device);
  err_free_video:
 	kfree(video);
-	acpi_driver_data(device) = NULL;
+	device->driver_data = NULL;
 
 	return error;
 }
diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index 7c6dfd03de9..de82f2f5a81 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -996,7 +996,7 @@ static int asus_hotk_add(struct acpi_device *device)
 	hotk->handle = device->handle;
 	strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ASUS_HOTK_CLASS);
-	acpi_driver_data(device) = hotk;
+	device->driver_data = hotk;
 	hotk->device = device;
 
 	result = asus_hotk_check();
diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c
index 1ee8501e90f..c1247056116 100644
--- a/drivers/misc/eeepc-laptop.c
+++ b/drivers/misc/eeepc-laptop.c
@@ -411,7 +411,7 @@ static int eeepc_hotk_add(struct acpi_device *device)
 	ehotk->handle = device->handle;
 	strcpy(acpi_device_name(device), EEEPC_HOTK_DEVICE_NAME);
 	strcpy(acpi_device_class(device), EEEPC_HOTK_CLASS);
-	acpi_driver_data(device) = ehotk;
+	device->driver_data = ehotk;
 	ehotk->device = device;
 	result = eeepc_hotk_check();
 	if (result)
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index 3e56203e494..7b69cfb7de5 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -490,7 +490,7 @@ static int acpi_fujitsu_add(struct acpi_device *device)
 	fujitsu->acpi_handle = device->handle;
 	sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME);
 	sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
-	acpi_driver_data(device) = fujitsu;
+	device->driver_data = fujitsu;
 
 	status = acpi_install_notify_handler(device->handle,
 					     ACPI_DEVICE_NOTIFY,
@@ -703,7 +703,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
 	sprintf(acpi_device_name(device), "%s",
 		ACPI_FUJITSU_HOTKEY_DEVICE_NAME);
 	sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
-	acpi_driver_data(device) = fujitsu_hotkey;
+	device->driver_data = fujitsu_hotkey;
 
 	status = acpi_install_notify_handler(device->handle,
 					     ACPI_DEVICE_NOTIFY,
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index 80a13635240..cd3ea7faa5b 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -175,7 +175,7 @@ static int intel_menlow_memory_add(struct acpi_device *device)
 		goto end;
 	}
 
-	acpi_driver_data(device) = cdev;
+	device->driver_data = cdev;
 	result = sysfs_create_link(&device->dev.kobj,
 				&cdev->device.kobj, "thermal_cooling");
 	if (result)
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 6b9300779a4..62aebaa8591 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -543,7 +543,7 @@ static int __init setup_acpi_notify(struct ibm_struct *ibm)
 		return -ENODEV;
 	}
 
-	acpi_driver_data(ibm->acpi->device) = ibm;
+	ibm->acpi->device->driver_data = ibm;
 	sprintf(acpi_device_class(ibm->acpi->device), "%s/%s",
 		TPACPI_ACPI_EVENT_PREFIX,
 		ibm->name);
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a5ac0bc7f52..47682465f1f 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -300,7 +300,11 @@ struct acpi_device {
 	enum acpi_bus_removal_type removal_type;	/* indicate for different removal type */
 };
 
-#define acpi_driver_data(d)	((d)->driver_data)
+static inline void *acpi_driver_data(struct acpi_device *d)
+{
+	return d->driver_data;
+}
+
 #define to_acpi_device(d)	container_of(d, struct acpi_device, dev)
 #define to_acpi_driver(d)	container_of(d, struct acpi_driver, drv)
 
-- 
GitLab


From b3cef8f6eba47a10b80aa3e7a99e27110e34f3df Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 19 Sep 2008 14:06:59 -0700
Subject: [PATCH 0333/2224] toshiba_acpi: depends on INPUT

CONFIG_ACPI_TOSHIBA can =y when CONFIG_INPUT=m, so prevent that
combination and its subsequent build errors:

toshiba_acpi.c:(.text+0x3e877): undefined reference to `input_event'
toshiba_acpi.c:(.text+0x3e98a): undefined reference to `input_unregister_polled_device'
toshiba_acpi.c:(.text+0x3e994): undefined reference to `input_free_polled_device'
toshiba_acpi.c:(.init.text+0x21b4): undefined reference to `input_allocate_polled_device'
toshiba_acpi.c:(.init.text+0x2263): undefined reference to `input_register_polled_device'
make[1]: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 735f5ea1747..79540db2980 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -259,7 +259,7 @@ config ACPI_ASUS
 
 config ACPI_TOSHIBA
 	tristate "Toshiba Laptop Extras"
-	depends on X86
+	depends on X86 && INPUT
 	select BACKLIGHT_CLASS_DEVICE
 	---help---
 	  This driver adds support for access to certain system settings
-- 
GitLab


From 061b1bd394ca8628b7c24eb4658ba3535da4249a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 24 Sep 2008 14:46:44 -0700
Subject: [PATCH 0334/2224] Staging: add TAINT_CRAP for all drivers/staging
 code

We need to add a flag for all code that is in the drivers/staging/
directory to prevent all other kernel developers from worrying about
issues here, and to notify users that the drivers might not be as good
as they are normally used to.

Based on code from Andreas Gruenbacher and Jeff Mahoney to provide a
TAINT flag for the support level of a kernel module in the Novell
enterprise kernel release.

This is the kernel portion of this feature, the ability for the flag to
be set needs to be done in the build process and will happen in a
follow-up patch.

Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: Jeff Mahoney <jeffm@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/sysctl/kernel.txt |  1 +
 include/linux/kernel.h          |  1 +
 kernel/module.c                 | 11 +++++++++++
 kernel/panic.c                  |  6 ++++--
 4 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index e1ff0d920a5..bde799e0659 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -369,4 +369,5 @@ can be ORed together:
   2 - A module was force loaded by insmod -f.
       Set by modutils >= 2.4.9 and module-init-tools.
   4 - Unsafe SMP processors: SMP with CPUs not designed for SMP.
+ 64 - A module from drivers/staging was loaded.
 
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 2651f805ba6..b36805cb95f 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -260,6 +260,7 @@ extern enum system_states {
 #define TAINT_DIE			(1<<7)
 #define TAINT_OVERRIDDEN_ACPI_TABLE	(1<<8)
 #define TAINT_WARN			(1<<9)
+#define TAINT_CRAP			(1<<10)
 
 extern void dump_stack(void) __cold;
 
diff --git a/kernel/module.c b/kernel/module.c
index 9db11911e04..152b1655bba 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1806,6 +1806,7 @@ static noinline struct module *load_module(void __user *umod,
 	Elf_Ehdr *hdr;
 	Elf_Shdr *sechdrs;
 	char *secstrings, *args, *modmagic, *strtab = NULL;
+	char *staging;
 	unsigned int i;
 	unsigned int symindex = 0;
 	unsigned int strindex = 0;
@@ -1960,6 +1961,14 @@ static noinline struct module *load_module(void __user *umod,
 		goto free_hdr;
 	}
 
+	staging = get_modinfo(sechdrs, infoindex, "staging");
+	if (staging) {
+		add_taint_module(mod, TAINT_CRAP);
+		printk(KERN_WARNING "%s: module is from the staging directory,"
+		       " the quality is unknown, you have been warned.\n",
+		       mod->name);
+	}
+
 	/* Now copy in args */
 	args = strndup_user(uargs, ~0UL >> 1);
 	if (IS_ERR(args)) {
@@ -2556,6 +2565,8 @@ static char *module_flags(struct module *mod, char *buf)
 			buf[bx++] = 'P';
 		if (mod->taints & TAINT_FORCED_MODULE)
 			buf[bx++] = 'F';
+		if (mod->taints & TAINT_CRAP)
+			buf[bx++] = 'C';
 		/*
 		 * TAINT_FORCED_RMMOD: could be added.
 		 * TAINT_UNSAFE_SMP, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
diff --git a/kernel/panic.c b/kernel/panic.c
index 12c5a0a6c89..98e2047f4db 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -155,6 +155,7 @@ EXPORT_SYMBOL(panic);
  *  'U' - Userspace-defined naughtiness.
  *  'A' - ACPI table overridden.
  *  'W' - Taint on warning.
+ *  'C' - modules from drivers/staging are loaded.
  *
  *	The string is overwritten by the next call to print_taint().
  */
@@ -163,7 +164,7 @@ const char *print_tainted(void)
 {
 	static char buf[20];
 	if (tainted) {
-		snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c%c",
+		snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c%c%c",
 			tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G',
 			tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
 			tainted & TAINT_UNSAFE_SMP ? 'S' : ' ',
@@ -173,7 +174,8 @@ const char *print_tainted(void)
 			tainted & TAINT_USER ? 'U' : ' ',
 			tainted & TAINT_DIE ? 'D' : ' ',
 			tainted & TAINT_OVERRIDDEN_ACPI_TABLE ? 'A' : ' ',
-			tainted & TAINT_WARN ? 'W' : ' ');
+			tainted & TAINT_WARN ? 'W' : ' ',
+			tainted & TAINT_CRAP ? 'C' : ' ');
 	}
 	else
 		snprintf(buf, sizeof(buf), "Not tainted");
-- 
GitLab


From a9860bf05f4cb94f60f8f3459908d5621f75dd06 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 24 Sep 2008 14:46:44 -0700
Subject: [PATCH 0335/2224] Staging: add TAINT_CRAP flag to drivers/staging
 modules

We need to add a flag for all code that is in the drivers/staging/
directory to prevent all other kernel developers from worrying about
issues here, and to notify users that the drivers might not be as good
as they are normally used to.

Based on code from Andreas Gruenbacher and Jeff Mahoney to provide a
TAINT flag for the support level of a kernel module in the Novell
enterprise kernel release.

This is the code that actually modifies the modules, adding the flag to
any files in the drivers/staging directory.

Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: Jeff Mahoney <jeffm@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 scripts/mod/modpost.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 8e0de6a5e18..88921611b22 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1726,6 +1726,14 @@ static void add_header(struct buffer *b, struct module *mod)
 	buf_printf(b, "};\n");
 }
 
+void add_staging_flag(struct buffer *b, const char *name)
+{
+	static const char *staging_dir = "drivers/staging";
+
+	if (strncmp(staging_dir, name, strlen(staging_dir)) == 0)
+		buf_printf(b, "\nMODULE_INFO(staging, \"Y\");\n");
+}
+
 /**
  * Record CRCs for unresolved symbols
  **/
@@ -2135,6 +2143,7 @@ int main(int argc, char **argv)
 		buf.pos = 0;
 
 		add_header(&buf, mod);
+		add_staging_flag(&buf, mod->name);
 		err |= add_versions(&buf, mod);
 		add_depends(&buf, mod, modules);
 		add_moddevtable(&buf, mod);
-- 
GitLab


From 350455891377250cf7e0eadc5f9635decc1628af Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 24 Sep 2008 14:46:44 -0700
Subject: [PATCH 0336/2224] Staging: add Kconfig entries and Makefile
 infrastructure

This hooks up the drivers/staging directory to the build system

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/Kconfig          |  2 ++
 drivers/Makefile         |  1 +
 drivers/staging/Kconfig  | 27 +++++++++++++++++++++++++++
 drivers/staging/Makefile |  2 ++
 4 files changed, 32 insertions(+)
 create mode 100644 drivers/staging/Kconfig
 create mode 100644 drivers/staging/Makefile

diff --git a/drivers/Kconfig b/drivers/Kconfig
index 59f33fa6af3..d19b6f5a110 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -101,4 +101,6 @@ source "drivers/auxdisplay/Kconfig"
 source "drivers/uio/Kconfig"
 
 source "drivers/xen/Kconfig"
+
+source "drivers/staging/Kconfig"
 endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 2735bde7347..46c8681a07f 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -99,3 +99,4 @@ obj-$(CONFIG_OF)		+= of/
 obj-$(CONFIG_SSB)		+= ssb/
 obj-$(CONFIG_VIRTIO)		+= virtio/
 obj-$(CONFIG_REGULATOR)		+= regulator/
+obj-$(CONFIG_STAGING)		+= staging/
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
new file mode 100644
index 00000000000..84832feb56f
--- /dev/null
+++ b/drivers/staging/Kconfig
@@ -0,0 +1,27 @@
+menuconfig STAGING
+	bool "Staging drivers"
+	default n
+	---help---
+	  This option allows you to select a number of drivers that are
+	  not of the "normal" Linux kernel quality level.  These drivers
+	  are placed here in order to get a wider audience for use of
+	  them.  Please note that these drivers are under heavy
+	  development, may or may not work, and may contain userspace
+	  interfaces that most likely will be changed in the near
+	  future.
+
+	  Using any of these drivers will taint your kernel which might
+	  affect support options from both the community, and various
+	  commercial support orginizations.
+
+	  If you wish to work on these drivers, to help improve them, or
+	  to report problems you have with them, please see the
+	  driver_name.README file in the drivers/staging/ directory to
+	  see what needs to be worked on, and who to contact.
+
+	  If in doubt, say N here.
+
+if STAGING
+
+
+endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
new file mode 100644
index 00000000000..ceb0328a64a
--- /dev/null
+++ b/drivers/staging/Makefile
@@ -0,0 +1,2 @@
+# Makefile for staging directory
+
-- 
GitLab


From dbc6c2ccb9f0abd6a19406718730ce0f715b2998 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 24 Sep 2008 14:46:44 -0700
Subject: [PATCH 0337/2224] Staging: add MAINTAINERS entry

Someone has to claim this mess, might as well let everyone know who to
blame.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 MAINTAINERS | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 7a03bd5a91a..ea6b4782e2f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3863,6 +3863,13 @@ M:	chrisw@sous-sol.org
 L:	stable@kernel.org
 S:	Maintained
 
+STAGING SUBSYSTEM:
+P:	Greg Kroah-Hartman
+M:	gregkh@suse.de
+L:	linux-kernel@vger.kernel.org
+T:	quilt kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/
+S:	Maintained
+
 SHARP LH SUPPORT (LH7952X & LH7A40X)
 P:	Marc Singer
 M:	elf@buici.com
-- 
GitLab


From cfb739b459a4d982b75f5b92cbe7d2631999e206 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 3 Apr 2008 17:30:53 -0700
Subject: [PATCH 0338/2224] Staging: add et131x network driver

This is a driver for the ET1310 network device.

Based on the driver found at https://sourceforge.net/projects/et131x/

Cleaned up immensely by Olaf Hartman <o.hartmann@telovital.com> and Christoph
Hellwig <hch@infradead.org>

Note, the powermanagement options were removed from the vendor provided
driver as they did not build properly at the time.

TODO:
	- kernel coding style cleanups
	- forward port for latest network driver changes
	- kill useless typecasts (e.g. in et1310_phy.c)
	- alloc_etherdev is initializing memory with zero?!?
	- add_timer call in et131x_netdev.c is correct?
	- Add power saving functionality (suspend, sleep, resume)
	- Implement a few more kernel Parameter (set mac )

Cc: Olaf Hartmann <o.hartmann@telovital.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dean Adams <dadams1969@gmail.com>
Cc: Victor Soriano <vjsoriano@agere.com>
Cc: Andre-Sebastian Liebe <andre@lianse.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                     |    1 +
 drivers/staging/Makefile                    |    1 +
 drivers/staging/et131x/Kconfig              |   18 +
 drivers/staging/et131x/Makefile             |   18 +
 drivers/staging/et131x/README               |   25 +
 drivers/staging/et131x/et1310_address_map.h | 2399 +++++++++++++++++++
 drivers/staging/et131x/et1310_eeprom.c      |  480 ++++
 drivers/staging/et131x/et1310_eeprom.h      |   89 +
 drivers/staging/et131x/et1310_jagcore.c     |  220 ++
 drivers/staging/et131x/et1310_jagcore.h     |  112 +
 drivers/staging/et131x/et1310_mac.c         |  792 ++++++
 drivers/staging/et131x/et1310_mac.h         |   93 +
 drivers/staging/et131x/et1310_phy.c         | 1281 ++++++++++
 drivers/staging/et131x/et1310_phy.h         |  910 +++++++
 drivers/staging/et131x/et1310_pm.c          |  207 ++
 drivers/staging/et131x/et1310_pm.h          |  125 +
 drivers/staging/et131x/et1310_rx.c          | 1391 +++++++++++
 drivers/staging/et131x/et1310_rx.h          |  373 +++
 drivers/staging/et131x/et1310_tx.c          | 1525 ++++++++++++
 drivers/staging/et131x/et1310_tx.h          |  242 ++
 drivers/staging/et131x/et131x_adapter.h     |  347 +++
 drivers/staging/et131x/et131x_config.c      |  325 +++
 drivers/staging/et131x/et131x_config.h      |   67 +
 drivers/staging/et131x/et131x_debug.c       |  218 ++
 drivers/staging/et131x/et131x_debug.h       |  201 ++
 drivers/staging/et131x/et131x_defs.h        |  128 +
 drivers/staging/et131x/et131x_initpci.c     | 1046 ++++++++
 drivers/staging/et131x/et131x_initpci.h     |   73 +
 drivers/staging/et131x/et131x_isr.c         |  488 ++++
 drivers/staging/et131x/et131x_isr.h         |   65 +
 drivers/staging/et131x/et131x_netdev.c      |  856 +++++++
 drivers/staging/et131x/et131x_netdev.h      |   64 +
 drivers/staging/et131x/et131x_version.h     |   81 +
 33 files changed, 14261 insertions(+)
 create mode 100644 drivers/staging/et131x/Kconfig
 create mode 100644 drivers/staging/et131x/Makefile
 create mode 100644 drivers/staging/et131x/README
 create mode 100644 drivers/staging/et131x/et1310_address_map.h
 create mode 100644 drivers/staging/et131x/et1310_eeprom.c
 create mode 100644 drivers/staging/et131x/et1310_eeprom.h
 create mode 100644 drivers/staging/et131x/et1310_jagcore.c
 create mode 100644 drivers/staging/et131x/et1310_jagcore.h
 create mode 100644 drivers/staging/et131x/et1310_mac.c
 create mode 100644 drivers/staging/et131x/et1310_mac.h
 create mode 100644 drivers/staging/et131x/et1310_phy.c
 create mode 100644 drivers/staging/et131x/et1310_phy.h
 create mode 100644 drivers/staging/et131x/et1310_pm.c
 create mode 100644 drivers/staging/et131x/et1310_pm.h
 create mode 100644 drivers/staging/et131x/et1310_rx.c
 create mode 100644 drivers/staging/et131x/et1310_rx.h
 create mode 100644 drivers/staging/et131x/et1310_tx.c
 create mode 100644 drivers/staging/et131x/et1310_tx.h
 create mode 100644 drivers/staging/et131x/et131x_adapter.h
 create mode 100644 drivers/staging/et131x/et131x_config.c
 create mode 100644 drivers/staging/et131x/et131x_config.h
 create mode 100644 drivers/staging/et131x/et131x_debug.c
 create mode 100644 drivers/staging/et131x/et131x_debug.h
 create mode 100644 drivers/staging/et131x/et131x_defs.h
 create mode 100644 drivers/staging/et131x/et131x_initpci.c
 create mode 100644 drivers/staging/et131x/et131x_initpci.h
 create mode 100644 drivers/staging/et131x/et131x_isr.c
 create mode 100644 drivers/staging/et131x/et131x_isr.h
 create mode 100644 drivers/staging/et131x/et131x_netdev.c
 create mode 100644 drivers/staging/et131x/et131x_netdev.h
 create mode 100644 drivers/staging/et131x/et131x_version.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 84832feb56f..4c3789d61a8 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -23,5 +23,6 @@ menuconfig STAGING
 
 if STAGING
 
+source "drivers/staging/et131x/Kconfig"
 
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index ceb0328a64a..933b984b523 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -1,2 +1,3 @@
 # Makefile for staging directory
 
+obj-$(CONFIG_ET131X)		+= et131x/
diff --git a/drivers/staging/et131x/Kconfig b/drivers/staging/et131x/Kconfig
new file mode 100644
index 00000000000..e11cf340856
--- /dev/null
+++ b/drivers/staging/et131x/Kconfig
@@ -0,0 +1,18 @@
+config ET131X
+	tristate "Agere ET-1310 Gigabit Ethernet support"
+	depends on NETDEV_1000 && PCI
+	default n
+	---help---
+	  This driver supports Agere ET-1310 ethernet adapters.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called et131x.
+
+config ET131X_DEBUG
+	bool "Enable et131x debugging"
+	depends on ET131X
+	default n
+	---help---
+	  Say Y for detailed debug information.
+
+	  If in doubt, say N.
diff --git a/drivers/staging/et131x/Makefile b/drivers/staging/et131x/Makefile
new file mode 100644
index 00000000000..3ad571d8a68
--- /dev/null
+++ b/drivers/staging/et131x/Makefile
@@ -0,0 +1,18 @@
+#
+# Makefile for the Agere ET-131x ethernet driver
+#
+
+obj-$(CONFIG_ET131X) += et131x.o
+
+et131x-objs :=	et1310_eeprom.o \
+		et1310_jagcore.o \
+		et1310_mac.o \
+		et1310_phy.o \
+		et1310_pm.o \
+		et1310_rx.o \
+		et1310_tx.o \
+		et131x_config.o \
+		et131x_debug.o \
+		et131x_initpci.o \
+		et131x_isr.o \
+		et131x_netdev.o
diff --git a/drivers/staging/et131x/README b/drivers/staging/et131x/README
new file mode 100644
index 00000000000..28752a50231
--- /dev/null
+++ b/drivers/staging/et131x/README
@@ -0,0 +1,25 @@
+This is a driver for the ET1310 network device.
+
+Based on the driver found at https://sourceforge.net/projects/et131x/
+
+Cleaned up immensely by Olaf Hartman <o.hartmann@telovital.com> and Christoph
+Hellwig <hch@infradead.org>
+
+Note, the powermanagement options were removed from the vendor provided
+driver as they did not build properly at the time.
+
+TODO:
+	- kernel coding style cleanups
+	- forward port for latest network driver changes
+	- kill useless typecasts (e.g. in et1310_phy.c)
+	- alloc_etherdev is initializing memory with zero?!?
+	- add_timer call in et131x_netdev.c is correct?
+	- Add power saving functionality (suspend, sleep, resume)
+	- Implement a few more kernel Parameter (set mac )
+
+Please send patches to:
+	Greg Kroah-Hartman <gregkh@suse.de>
+
+And Cc: Olaf Hartmann <o.hartmann@telovital.com> as he has this device and can
+test any changes.
+
diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
new file mode 100644
index 00000000000..3c85999d64d
--- /dev/null
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -0,0 +1,2399 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_address_map.h - Contains the register mapping for the ET1310
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef _ET1310_ADDRESS_MAP_H_
+#define _ET1310_ADDRESS_MAP_H_
+
+
+/* START OF GLOBAL REGISTER ADDRESS MAP */
+
+typedef union _Q_ADDR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:22;	// bits 10-31
+		u32 addr:10;	// bits 0-9
+#else
+		u32 addr:10;	// bits 0-9
+		u32 unused:22;	// bits 10-31
+#endif
+	} bits;
+} Q_ADDR_t, *PQ_ADDR_t;
+
+/*
+ * structure for tx queue start address reg in global address map
+ * located at address 0x0000
+ * Defined earlier (Q_ADDR_t)
+ */
+
+/*
+ * structure for tx queue end address reg in global address map
+ * located at address 0x0004
+ * Defined earlier (Q_ADDR_t)
+ */
+
+/*
+ * structure for rx queue start address reg in global address map
+ * located at address 0x0008
+ * Defined earlier (Q_ADDR_t)
+ */
+
+/*
+ * structure for rx queue end address reg in global address map
+ * located at address 0x000C
+ * Defined earlier (Q_ADDR_t)
+ */
+
+/*
+ * structure for power management control status reg in global address map
+ * located at address 0x0010
+ */
+typedef union _PM_CSR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:22;		// bits 10-31
+		u32 pm_jagcore_rx_rdy:1;	// bit 9
+		u32 pm_jagcore_tx_rdy:1;	// bit 8
+		u32 pm_phy_lped_en:1;	// bit 7
+		u32 pm_phy_sw_coma:1;	// bit 6
+		u32 pm_rxclk_gate:1;	// bit 5
+		u32 pm_txclk_gate:1;	// bit 4
+		u32 pm_sysclk_gate:1;	// bit 3
+		u32 pm_jagcore_rx_en:1;	// bit 2
+		u32 pm_jagcore_tx_en:1;	// bit 1
+		u32 pm_gigephy_en:1;	// bit 0
+#else
+		u32 pm_gigephy_en:1;	// bit 0
+		u32 pm_jagcore_tx_en:1;	// bit 1
+		u32 pm_jagcore_rx_en:1;	// bit 2
+		u32 pm_sysclk_gate:1;	// bit 3
+		u32 pm_txclk_gate:1;	// bit 4
+		u32 pm_rxclk_gate:1;	// bit 5
+		u32 pm_phy_sw_coma:1;	// bit 6
+		u32 pm_phy_lped_en:1;	// bit 7
+		u32 pm_jagcore_tx_rdy:1;	// bit 8
+		u32 pm_jagcore_rx_rdy:1;	// bit 9
+		u32 unused:22;		// bits 10-31
+#endif
+	} bits;
+} PM_CSR_t, *PPM_CSR_t;
+
+/*
+ * structure for interrupt status reg in global address map
+ * located at address 0x0018
+ */
+typedef union _INTERRUPT_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused5:11;			// bits 21-31
+		u32 slv_timeout:1;			// bit 20
+		u32 mac_stat_interrupt:1;		// bit 19
+		u32 rxmac_interrupt:1;		// bit 18
+		u32 txmac_interrupt:1;		// bit 17
+		u32 phy_interrupt:1;		// bit 16
+		u32 wake_on_lan:1;			// bit 15
+		u32 watchdog_interrupt:1;		// bit 14
+		u32 unused4:4;			// bits 10-13
+		u32 rxdma_err:1;			// bit 9
+		u32 rxdma_pkt_stat_ring_low:1;	// bit 8
+		u32 rxdma_fb_ring1_low:1;		// bit 7
+		u32 rxdma_fb_ring0_low:1;		// bit 6
+		u32 rxdma_xfr_done:1;		// bit 5
+		u32 txdma_err:1;			// bit 4
+		u32 txdma_isr:1;			// bit 3
+		u32 unused3:1;			// bit 2
+		u32 unused2:1;			// bit 1
+		u32 unused1:1;			// bit 0
+#else
+		u32 unused1:1;			// bit 0
+		u32 unused2:1;			// bit 1
+		u32 unused3:1;			// bit 2
+		u32 txdma_isr:1;			// bit 3
+		u32 txdma_err:1;			// bit 4
+		u32 rxdma_xfr_done:1;		// bit 5
+		u32 rxdma_fb_ring0_low:1;		// bit 6
+		u32 rxdma_fb_ring1_low:1;		// bit 7
+		u32 rxdma_pkt_stat_ring_low:1;	// bit 8
+		u32 rxdma_err:1;			// bit 9
+		u32 unused4:4;			// bits 10-13
+		u32 watchdog_interrupt:1;		// bit 14
+		u32 wake_on_lan:1;			// bit 15
+		u32 phy_interrupt:1;		// bit 16
+		u32 txmac_interrupt:1;		// bit 17
+		u32 rxmac_interrupt:1;		// bit 18
+		u32 mac_stat_interrupt:1;		// bit 19
+		u32 slv_timeout:1;			// bit 20
+		u32 unused5:11;			// bits 21-31
+#endif
+	} bits;
+} INTERRUPT_t, *PINTERRUPT_t;
+
+/*
+ * structure for interrupt mask reg in global address map
+ * located at address 0x001C
+ * Defined earlier (INTERRUPT_t), but 'watchdog_interrupt' is not used.
+ */
+
+/*
+ * structure for interrupt alias clear mask reg in global address map
+ * located at address 0x0020
+ * Defined earlier (INTERRUPT_t)
+ */
+
+/*
+ * structure for interrupt status alias reg in global address map
+ * located at address 0x0024
+ * Defined earlier (INTERRUPT_t)
+ */
+
+/*
+ * structure for software reset reg in global address map
+ * located at address 0x0028
+ */
+typedef union _SW_RESET_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 selfclr_disable:1;	// bit 31
+		u32 unused:24;		// bits 7-30
+		u32 mmc_sw_reset:1;	// bit 6
+		u32 mac_stat_sw_reset:1;	// bit 5
+		u32 mac_sw_reset:1;	// bit 4
+		u32 rxmac_sw_reset:1;	// bit 3
+		u32 txmac_sw_reset:1;	// bit 2
+		u32 rxdma_sw_reset:1;	// bit 1
+		u32 txdma_sw_reset:1;	// bit 0
+#else
+		u32 txdma_sw_reset:1;	// bit 0
+		u32 rxdma_sw_reset:1;	// bit 1
+		u32 txmac_sw_reset:1;	// bit 2
+		u32 rxmac_sw_reset:1;	// bit 3
+		u32 mac_sw_reset:1;	// bit 4
+		u32 mac_stat_sw_reset:1;	// bit 5
+		u32 mmc_sw_reset:1;	// bit 6
+		u32 unused:24;		// bits 7-30
+		u32 selfclr_disable:1;	// bit 31
+#endif
+	} bits;
+} SW_RESET_t, *PSW_RESET_t;
+
+/*
+ * structure for SLV Timer reg in global address map
+ * located at address 0x002C
+ */
+typedef union _SLV_TIMER_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:8;	// bits 24-31
+		u32 timer_ini:24;	// bits 0-23
+#else
+		u32 timer_ini:24;	// bits 0-23
+		u32 unused:8;	// bits 24-31
+#endif
+	} bits;
+} SLV_TIMER_t, *PSLV_TIMER_t;
+
+/*
+ * structure for MSI Configuration reg in global address map
+ * located at address 0x0030
+ */
+typedef union _MSI_CONFIG_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused1:13;	// bits 19-31
+		u32 msi_tc:3;	// bits 16-18
+		u32 unused2:11;	// bits 5-15
+		u32 msi_vector:5;	// bits 0-4
+#else
+		u32 msi_vector:5;	// bits 0-4
+		u32 unused2:11;	// bits 5-15
+		u32 msi_tc:3;	// bits 16-18
+		u32 unused1:13;	// bits 19-31
+#endif
+	} bits;
+} MSI_CONFIG_t, *PMSI_CONFIG_t;
+
+/*
+ * structure for Loopback reg in global address map
+ * located at address 0x0034
+ */
+typedef union _LOOPBACK_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:30;		// bits 2-31
+		u32 dma_loopback:1;	// bit 1
+		u32 mac_loopback:1;	// bit 0
+#else
+		u32 mac_loopback:1;	// bit 0
+		u32 dma_loopback:1;	// bit 1
+		u32 unused:30;		// bits 2-31
+#endif
+	} bits;
+} LOOPBACK_t, *PLOOPBACK_t;
+
+/*
+ * GLOBAL Module of JAGCore Address Mapping
+ * Located at address 0x0000
+ */
+typedef struct _GLOBAL_t {			// Location:
+	Q_ADDR_t txq_start_addr;		//  0x0000
+	Q_ADDR_t txq_end_addr;			//  0x0004
+	Q_ADDR_t rxq_start_addr;		//  0x0008
+	Q_ADDR_t rxq_end_addr;			//  0x000C
+	PM_CSR_t pm_csr;			//  0x0010
+	u32 unused;				//  0x0014
+	INTERRUPT_t int_status;			//  0x0018
+	INTERRUPT_t int_mask;			//  0x001C
+	INTERRUPT_t int_alias_clr_en;		//  0x0020
+	INTERRUPT_t int_status_alias;		//  0x0024
+	SW_RESET_t sw_reset;			//  0x0028
+	SLV_TIMER_t slv_timer;			//  0x002C
+	MSI_CONFIG_t msi_config;		//  0x0030
+	LOOPBACK_t loopback;			//  0x0034
+	u32 watchdog_timer;			//  0x0038
+} GLOBAL_t, *PGLOBAL_t;
+
+/* END OF GLOBAL REGISTER ADDRESS MAP */
+
+
+/* START OF TXDMA REGISTER ADDRESS MAP */
+
+/*
+ * structure for txdma control status reg in txdma address map
+ * located at address 0x1000
+ */
+typedef union _TXDMA_CSR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused2:19;		// bits 13-31
+		u32 traffic_class:4;	// bits 9-12
+		u32 sngl_epkt_mode:1;	// bit 8
+		u32 cache_thrshld:4;	// bits 4-7
+		u32 unused1:2;		// bits 2-3
+		u32 drop_TLP_disable:1;	// bit 1
+		u32 halt:1;		// bit 0
+#else
+		u32 halt:1;		// bit 0
+		u32 drop_TLP_disable:1;	// bit 1
+		u32 unused1:2;		// bits 2-3
+		u32 cache_thrshld:4;	// bits 4-7
+		u32 sngl_epkt_mode:1;	// bit 8
+		u32 traffic_class:4;	// bits 9-12
+		u32 unused2:19;		// bits 13-31
+#endif
+	} bits;
+} TXDMA_CSR_t, *PTXDMA_CSR_t;
+
+/*
+ * structure for txdma packet ring base address hi reg in txdma address map
+ * located at address 0x1004
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for txdma packet ring base address low reg in txdma address map
+ * located at address 0x1008
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for txdma packet ring number of descriptor reg in txdma address
+ * map.  Located at address 0x100C
+ */
+typedef union _TXDMA_PR_NUM_DES_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:22;	// bits 10-31
+		u32 pr_ndes:10;	// bits 0-9
+#else
+		u32 pr_ndes:10;	// bits 0-9
+		u32 unused:22;	// bits 10-31
+#endif
+	} bits;
+} TXDMA_PR_NUM_DES_t, *PTXDMA_PR_NUM_DES_t;
+
+
+typedef union _DMA10W_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:21;	// bits 11-31
+		u32 wrap:1;	// bit 10
+		u32 val:10;	// bits 0-9
+#else
+		u32 val:10;	// bits 0-9
+		u32 wrap:1;	// bit 10
+		u32 unused:21;	// bits 11-31
+#endif
+	} bits;
+} DMA10W_t, *PDMA10W_t;
+
+/*
+ * structure for txdma tx queue write address reg in txdma address map
+ * located at address 0x1010
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for txdma tx queue write address external reg in txdma address map
+ * located at address 0x1014
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for txdma tx queue read address reg in txdma address map
+ * located at address 0x1018
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for txdma status writeback address hi reg in txdma address map
+ * located at address 0x101C
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for txdma status writeback address lo reg in txdma address map
+ * located at address 0x1020
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for txdma service request reg in txdma address map
+ * located at address 0x1024
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for txdma service complete reg in txdma address map
+ * located at address 0x1028
+ * Defined earlier (DMA10W_t)
+ */
+
+typedef union _DMA4W_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:27;	// bits 5-31
+		u32 wrap:1;	// bit 4
+		u32 val:4;		// bit 0-3
+#else
+		u32 val:4;		// bits 0-3
+		u32 wrap:1;	// bit 4
+		u32 unused:27;	// bits 5-31
+#endif
+	} bits;
+} DMA4W_t, *PDMA4W_t;
+
+/*
+ * structure for txdma tx descriptor cache read index reg in txdma address map
+ * located at address 0x102C
+ * Defined earlier (DMA4W_t)
+ */
+
+/*
+ * structure for txdma tx descriptor cache write index reg in txdma address map
+ * located at address 0x1030
+ * Defined earlier (DMA4W_t)
+ */
+
+/*
+ * structure for txdma error reg in txdma address map
+ * located at address 0x1034
+ */
+typedef union _TXDMA_ERROR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused3:22;		// bits 10-31
+		u32 WrbkRewind:1;	// bit 9
+		u32 WrbkResend:1;	// bit 8
+		u32 unused2:2;		// bits 6-7
+		u32 DescrRewind:1;	// bit 5
+		u32 DescrResend:1;	// bit 4
+		u32 unused1:2;		// bits 2-3
+		u32 PyldRewind:1;	// bit 1
+		u32 PyldResend:1;	// bit 0
+#else
+		u32 PyldResend:1;	// bit 0
+		u32 PyldRewind:1;	// bit 1
+		u32 unused1:2;		// bits 2-3
+		u32 DescrResend:1;	// bit 4
+		u32 DescrRewind:1;	// bit 5
+		u32 unused2:2;		// bits 6-7
+		u32 WrbkResend:1;	// bit 8
+		u32 WrbkRewind:1;	// bit 9
+		u32 unused3:22;		// bits 10-31
+#endif
+	} bits;
+} TXDMA_ERROR_t, *PTXDMA_ERROR_t;
+
+/*
+ * Tx DMA Module of JAGCore Address Mapping
+ * Located at address 0x1000
+ */
+typedef struct _TXDMA_t {		// Location:
+	TXDMA_CSR_t csr;		//  0x1000
+	u32 pr_base_hi;			//  0x1004
+	u32 pr_base_lo;			//  0x1008
+	TXDMA_PR_NUM_DES_t pr_num_des;	//  0x100C
+	DMA10W_t txq_wr_addr;		//  0x1010
+	DMA10W_t txq_wr_addr_ext;	//  0x1014
+	DMA10W_t txq_rd_addr;		//  0x1018
+	u32 dma_wb_base_hi;		//  0x101C
+	u32 dma_wb_base_lo;		//  0x1020
+	DMA10W_t service_request;	//  0x1024
+	DMA10W_t service_complete;	//  0x1028
+	DMA4W_t cache_rd_index;		//  0x102C
+	DMA4W_t cache_wr_index;		//  0x1030
+	TXDMA_ERROR_t TxDmaError;	//  0x1034
+	u32 DescAbortCount;		//  0x1038
+	u32 PayloadAbortCnt;		//  0x103c
+	u32 WriteBackAbortCnt;		//  0x1040
+	u32 DescTimeoutCnt;		//  0x1044
+	u32 PayloadTimeoutCnt;		//  0x1048
+	u32 WriteBackTimeoutCnt;	//  0x104c
+	u32 DescErrorCount;		//  0x1050
+	u32 PayloadErrorCnt;		//  0x1054
+	u32 WriteBackErrorCnt;		//  0x1058
+	u32 DroppedTLPCount;		//  0x105c
+	DMA10W_t NewServiceComplete;	//  0x1060
+	u32 EthernetPacketCount;	//  0x1064
+} TXDMA_t, *PTXDMA_t;
+
+/* END OF TXDMA REGISTER ADDRESS MAP */
+
+
+/* START OF RXDMA REGISTER ADDRESS MAP */
+
+/*
+ * structure for control status reg in rxdma address map
+ * Located at address 0x2000
+ */
+typedef union _RXDMA_CSR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused2:14;		// bits 18-31
+		u32 halt_status:1;	// bit 17
+		u32 pkt_done_flush:1;	// bit 16
+		u32 pkt_drop_disable:1;	// bit 15
+		u32 unused1:1;		// bit 14
+		u32 fbr1_enable:1;	// bit 13
+		u32 fbr1_size:2;	// bits 11-12
+		u32 fbr0_enable:1;	// bit 10
+		u32 fbr0_size:2;	// bits 8-9
+		u32 dma_big_endian:1;	// bit 7
+		u32 pkt_big_endian:1;	// bit 6
+		u32 psr_big_endian:1;	// bit 5
+		u32 fbr_big_endian:1;	// bit 4
+		u32 tc:3;		// bits 1-3
+		u32 halt:1;		// bit 0
+#else
+		u32 halt:1;		// bit 0
+		u32 tc:3;		// bits 1-3
+		u32 fbr_big_endian:1;	// bit 4
+		u32 psr_big_endian:1;	// bit 5
+		u32 pkt_big_endian:1;	// bit 6
+		u32 dma_big_endian:1;	// bit 7
+		u32 fbr0_size:2;	// bits 8-9
+		u32 fbr0_enable:1;	// bit 10
+		u32 fbr1_size:2;	// bits 11-12
+		u32 fbr1_enable:1;	// bit 13
+		u32 unused1:1;		// bit 14
+		u32 pkt_drop_disable:1;	// bit 15
+		u32 pkt_done_flush:1;	// bit 16
+		u32 halt_status:1;	// bit 17
+		u32 unused2:14;		// bits 18-31
+#endif
+	} bits;
+} RXDMA_CSR_t, *PRXDMA_CSR_t;
+
+/*
+ * structure for dma writeback lo reg in rxdma address map
+ * located at address 0x2004
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for dma writeback hi reg in rxdma address map
+ * located at address 0x2008
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for number of packets done reg in rxdma address map
+ * located at address 0x200C
+ */
+typedef union _RXDMA_NUM_PKT_DONE_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:24;	// bits 8-31
+		u32 num_done:8;	// bits 0-7
+#else
+		u32 num_done:8;	// bits 0-7
+		u32 unused:24;	// bits 8-31
+#endif
+	} bits;
+} RXDMA_NUM_PKT_DONE_t, *PRXDMA_NUM_PKT_DONE_t;
+
+/*
+ * structure for max packet time reg in rxdma address map
+ * located at address 0x2010
+ */
+typedef union _RXDMA_MAX_PKT_TIME_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:14;		// bits 18-31
+		u32 time_done:18;	// bits 0-17
+#else
+		u32 time_done:18;	// bits 0-17
+		u32 unused:14;		// bits 18-31
+#endif
+	} bits;
+} RXDMA_MAX_PKT_TIME_t, *PRXDMA_MAX_PKT_TIME_t;
+
+/*
+ * structure for rx queue read address reg in rxdma address map
+ * located at address 0x2014
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for rx queue read address external reg in rxdma address map
+ * located at address 0x2018
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for rx queue write address reg in rxdma address map
+ * located at address 0x201C
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for packet status ring base address lo reg in rxdma address map
+ * located at address 0x2020
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for packet status ring base address hi reg in rxdma address map
+ * located at address 0x2024
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for packet status ring number of descriptors reg in rxdma address
+ * map.  Located at address 0x2028
+ */
+typedef union _RXDMA_PSR_NUM_DES_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:20;		// bits 12-31
+		u32 psr_ndes:12;	// bit 0-11
+#else
+		u32 psr_ndes:12;	// bit 0-11
+		u32 unused:20;		// bits 12-31
+#endif
+	} bits;
+} RXDMA_PSR_NUM_DES_t, *PRXDMA_PSR_NUM_DES_t;
+
+/*
+ * structure for packet status ring available offset reg in rxdma address map
+ * located at address 0x202C
+ */
+typedef union _RXDMA_PSR_AVAIL_OFFSET_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:19;		// bits 13-31
+		u32 psr_avail_wrap:1;	// bit 12
+		u32 psr_avail:12;	// bit 0-11
+#else
+		u32 psr_avail:12;	// bit 0-11
+		u32 psr_avail_wrap:1;	// bit 12
+		u32 unused:19;		// bits 13-31
+#endif
+	} bits;
+} RXDMA_PSR_AVAIL_OFFSET_t, *PRXDMA_PSR_AVAIL_OFFSET_t;
+
+/*
+ * structure for packet status ring full offset reg in rxdma address map
+ * located at address 0x2030
+ */
+typedef union _RXDMA_PSR_FULL_OFFSET_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:19;		// bits 13-31
+		u32 psr_full_wrap:1;	// bit 12
+		u32 psr_full:12;	// bit 0-11
+#else
+		u32 psr_full:12;	// bit 0-11
+		u32 psr_full_wrap:1;	// bit 12
+		u32 unused:19;		// bits 13-31
+#endif
+	} bits;
+} RXDMA_PSR_FULL_OFFSET_t, *PRXDMA_PSR_FULL_OFFSET_t;
+
+/*
+ * structure for packet status ring access index reg in rxdma address map
+ * located at address 0x2034
+ */
+typedef union _RXDMA_PSR_ACCESS_INDEX_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:27;	// bits 5-31
+		u32 psr_ai:5;	// bits 0-4
+#else
+		u32 psr_ai:5;	// bits 0-4
+		u32 unused:27;	// bits 5-31
+#endif
+	} bits;
+} RXDMA_PSR_ACCESS_INDEX_t, *PRXDMA_PSR_ACCESS_INDEX_t;
+
+/*
+ * structure for packet status ring minimum descriptors reg in rxdma address
+ * map.  Located at address 0x2038
+ */
+typedef union _RXDMA_PSR_MIN_DES_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:20;	// bits 12-31
+		u32 psr_min:12;	// bits 0-11
+#else
+		u32 psr_min:12;	// bits 0-11
+		u32 unused:20;	// bits 12-31
+#endif
+	} bits;
+} RXDMA_PSR_MIN_DES_t, *PRXDMA_PSR_MIN_DES_t;
+
+/*
+ * structure for free buffer ring base lo address reg in rxdma address map
+ * located at address 0x203C
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for free buffer ring base hi address reg in rxdma address map
+ * located at address 0x2040
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for free buffer ring number of descriptors reg in rxdma address
+ * map.  Located at address 0x2044
+ */
+typedef union _RXDMA_FBR_NUM_DES_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:22;		// bits 10-31
+		u32 fbr_ndesc:10;	// bits 0-9
+#else
+		u32 fbr_ndesc:10;	// bits 0-9
+		u32 unused:22;		// bits 10-31
+#endif
+	} bits;
+} RXDMA_FBR_NUM_DES_t, *PRXDMA_FBR_NUM_DES_t;
+
+/*
+ * structure for free buffer ring 0 available offset reg in rxdma address map
+ * located at address 0x2048
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for free buffer ring 0 full offset reg in rxdma address map
+ * located at address 0x204C
+ * Defined earlier (DMA10W_t)
+ */
+
+/*
+ * structure for free buffer cache 0 full offset reg in rxdma address map
+ * located at address 0x2050
+ */
+typedef union _RXDMA_FBC_RD_INDEX_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:27;	// bits 5-31
+		u32 fbc_rdi:5;	// bit 0-4
+#else
+		u32 fbc_rdi:5;	// bit 0-4
+		u32 unused:27;	// bits 5-31
+#endif
+	} bits;
+} RXDMA_FBC_RD_INDEX_t, *PRXDMA_FBC_RD_INDEX_t;
+
+/*
+ * structure for free buffer ring 0 minimum descriptor reg in rxdma address map
+ * located at address 0x2054
+ */
+typedef union _RXDMA_FBR_MIN_DES_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:22;	// bits 10-31
+		u32 fbr_min:10;	// bits 0-9
+#else
+		u32 fbr_min:10;	// bits 0-9
+		u32 unused:22;	// bits 10-31
+#endif
+	} bits;
+} RXDMA_FBR_MIN_DES_t, *PRXDMA_FBR_MIN_DES_t;
+
+/*
+ * structure for free buffer ring 1 base address lo reg in rxdma address map
+ * located at address 0x2058 - 0x205C
+ * Defined earlier (RXDMA_FBR_BASE_LO_t and RXDMA_FBR_BASE_HI_t)
+ */
+
+/*
+ * structure for free buffer ring 1 number of descriptors reg in rxdma address
+ * map.  Located at address 0x2060
+ * Defined earlier (RXDMA_FBR_NUM_DES_t)
+ */
+
+/*
+ * structure for free buffer ring 1 available offset reg in rxdma address map
+ * located at address 0x2064
+ * Defined Earlier (RXDMA_FBR_AVAIL_OFFSET_t)
+ */
+
+/*
+ * structure for free buffer ring 1 full offset reg in rxdma address map
+ * located at address 0x2068
+ * Defined Earlier (RXDMA_FBR_FULL_OFFSET_t)
+ */
+
+/*
+ * structure for free buffer cache 1 read index reg in rxdma address map
+ * located at address 0x206C
+ * Defined Earlier (RXDMA_FBC_RD_INDEX_t)
+ */
+
+/*
+ * structure for free buffer ring 1 minimum descriptor reg in rxdma address map
+ * located at address 0x2070
+ * Defined Earlier (RXDMA_FBR_MIN_DES_t)
+ */
+
+/*
+ * Rx DMA Module of JAGCore Address Mapping
+ * Located at address 0x2000
+ */
+typedef struct _RXDMA_t {				// Location:
+	RXDMA_CSR_t csr;				//  0x2000
+	u32 dma_wb_base_lo;				//  0x2004
+	u32 dma_wb_base_hi;				//  0x2008
+	RXDMA_NUM_PKT_DONE_t num_pkt_done;		//  0x200C
+	RXDMA_MAX_PKT_TIME_t max_pkt_time;		//  0x2010
+	DMA10W_t rxq_rd_addr;				//  0x2014
+	DMA10W_t rxq_rd_addr_ext;			//  0x2018
+	DMA10W_t rxq_wr_addr;				//  0x201C
+	u32 psr_base_lo;				//  0x2020
+	u32 psr_base_hi;				//  0x2024
+	RXDMA_PSR_NUM_DES_t psr_num_des;		//  0x2028
+	RXDMA_PSR_AVAIL_OFFSET_t psr_avail_offset;	//  0x202C
+	RXDMA_PSR_FULL_OFFSET_t psr_full_offset;	//  0x2030
+	RXDMA_PSR_ACCESS_INDEX_t psr_access_index;	//  0x2034
+	RXDMA_PSR_MIN_DES_t psr_min_des;		//  0x2038
+	u32 fbr0_base_lo;				//  0x203C
+	u32 fbr0_base_hi;				//  0x2040
+	RXDMA_FBR_NUM_DES_t fbr0_num_des;		//  0x2044
+	DMA10W_t fbr0_avail_offset;			//  0x2048
+	DMA10W_t fbr0_full_offset;			//  0x204C
+	RXDMA_FBC_RD_INDEX_t fbr0_rd_index;		//  0x2050
+	RXDMA_FBR_MIN_DES_t fbr0_min_des;		//  0x2054
+	u32 fbr1_base_lo;				//  0x2058
+	u32 fbr1_base_hi;				//  0x205C
+	RXDMA_FBR_NUM_DES_t fbr1_num_des;		//  0x2060
+	DMA10W_t fbr1_avail_offset;			//  0x2064
+	DMA10W_t fbr1_full_offset;			//  0x2068
+	RXDMA_FBC_RD_INDEX_t fbr1_rd_index;		//  0x206C
+	RXDMA_FBR_MIN_DES_t fbr1_min_des;		//  0x2070
+} RXDMA_t, *PRXDMA_t;
+
+/* END OF RXDMA REGISTER ADDRESS MAP */
+
+
+/* START OF TXMAC REGISTER ADDRESS MAP */
+
+/*
+ * structure for control reg in txmac address map
+ * located at address 0x3000
+ */
+typedef union _TXMAC_CTL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:24;		// bits 8-31
+		u32 cklseg_diable:1;	// bit 7
+		u32 ckbcnt_disable:1;	// bit 6
+		u32 cksegnum:1;		// bit 5
+		u32 async_disable:1;	// bit 4
+		u32 fc_disable:1;	// bit 3
+		u32 mcif_disable:1;	// bit 2
+		u32 mif_disable:1;	// bit 1
+		u32 txmac_en:1;		// bit 0
+#else
+		u32 txmac_en:1;		// bit 0
+		u32 mif_disable:1;	// bit 1 mac interface
+		u32 mcif_disable:1;	// bit 2 mem. contr. interface
+		u32 fc_disable:1;	// bit 3
+		u32 async_disable:1;	// bit 4
+		u32 cksegnum:1;		// bit 5
+		u32 ckbcnt_disable:1;	// bit 6
+		u32 cklseg_diable:1;	// bit 7
+		u32 unused:24;		// bits 8-31
+#endif
+	} bits;
+} TXMAC_CTL_t, *PTXMAC_CTL_t;
+
+/*
+ * structure for shadow pointer reg in txmac address map
+ * located at address 0x3004
+ */
+typedef union _TXMAC_SHADOW_PTR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved2:5;	// bits 27-31
+		u32 txq_rd_ptr:11;	// bits 16-26
+		u32 reserved:5;		// bits 11-15
+		u32 txq_wr_ptr:11;	// bits 0-10
+#else
+		u32 txq_wr_ptr:11;	// bits 0-10
+		u32 reserved:5;		// bits 11-15
+		u32 txq_rd_ptr:11;	// bits 16-26
+		u32 reserved2:5;	// bits 27-31
+#endif
+	} bits;
+} TXMAC_SHADOW_PTR_t, *PTXMAC_SHADOW_PTR_t;
+
+/*
+ * structure for error count reg in txmac address map
+ * located at address 0x3008
+ */
+typedef union _TXMAC_ERR_CNT_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:20;		// bits 12-31
+		u32 reserved:4;		// bits 8-11
+		u32 txq_underrun:4;	// bits 4-7
+		u32 fifo_underrun:4;	// bits 0-3
+#else
+		u32 fifo_underrun:4;	// bits 0-3
+		u32 txq_underrun:4;	// bits 4-7
+		u32 reserved:4;		// bits 8-11
+		u32 unused:20;		// bits 12-31
+#endif
+	} bits;
+} TXMAC_ERR_CNT_t, *PTXMAC_ERR_CNT_t;
+
+/*
+ * structure for max fill reg in txmac address map
+ * located at address 0x300C
+ */
+typedef union _TXMAC_MAX_FILL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:20;		// bits 12-31
+		u32 max_fill:12;	// bits 0-11
+#else
+		u32 max_fill:12;	// bits 0-11
+		u32 unused:20;		// bits 12-31
+#endif
+	} bits;
+} TXMAC_MAX_FILL_t, *PTXMAC_MAX_FILL_t;
+
+/*
+ * structure for cf parameter reg in txmac address map
+ * located at address 0x3010
+ */
+typedef union _TXMAC_CF_PARAM_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 cfep:16;	// bits 16-31
+		u32 cfpt:16;	// bits 0-15
+#else
+		u32 cfpt:16;	// bits 0-15
+		u32 cfep:16;	// bits 16-31
+#endif
+	} bits;
+} TXMAC_CF_PARAM_t, *PTXMAC_CF_PARAM_t;
+
+/*
+ * structure for tx test reg in txmac address map
+ * located at address 0x3014
+ */
+typedef union _TXMAC_TXTEST_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused2:15;		// bits 17-31
+		u32 reserved1:1;	// bit 16
+		u32 txtest_en:1;	// bit 15
+		u32 unused1:4;		// bits 11-14
+		u32 txqtest_ptr:11;	// bits 0-11
+#else
+		u32 txqtest_ptr:11;	// bits 0-10
+		u32 unused1:4;		// bits 11-14
+		u32 txtest_en:1;	// bit 15
+		u32 reserved1:1;	// bit 16
+		u32 unused2:15;		// bits 17-31
+#endif
+	} bits;
+} TXMAC_TXTEST_t, *PTXMAC_TXTEST_t;
+
+/*
+ * structure for error reg in txmac address map
+ * located at address 0x3018
+ */
+typedef union _TXMAC_ERR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused2:23;		// bits 9-31
+		u32 fifo_underrun:1;	// bit 8
+		u32 unused1:2;		// bits 6-7
+		u32 ctrl2_err:1;	// bit 5
+		u32 txq_underrun:1;	// bit 4
+		u32 bcnt_err:1;		// bit 3
+		u32 lseg_err:1;		// bit 2
+		u32 segnum_err:1;	// bit 1
+		u32 seg0_err:1;		// bit 0
+#else
+		u32 seg0_err:1;		// bit 0
+		u32 segnum_err:1;	// bit 1
+		u32 lseg_err:1;		// bit 2
+		u32 bcnt_err:1;		// bit 3
+		u32 txq_underrun:1;	// bit 4
+		u32 ctrl2_err:1;	// bit 5
+		u32 unused1:2;		// bits 6-7
+		u32 fifo_underrun:1;	// bit 8
+		u32 unused2:23;		// bits 9-31
+#endif
+	} bits;
+} TXMAC_ERR_t, *PTXMAC_ERR_t;
+
+/*
+ * structure for error interrupt reg in txmac address map
+ * located at address 0x301C
+ */
+typedef union _TXMAC_ERR_INT_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused2:23;		// bits 9-31
+		u32 fifo_underrun:1;	// bit 8
+		u32 unused1:2;		// bits 6-7
+		u32 ctrl2_err:1;	// bit 5
+		u32 txq_underrun:1;	// bit 4
+		u32 bcnt_err:1;		// bit 3
+		u32 lseg_err:1;		// bit 2
+		u32 segnum_err:1;	// bit 1
+		u32 seg0_err:1;		// bit 0
+#else
+		u32 seg0_err:1;		// bit 0
+		u32 segnum_err:1;	// bit 1
+		u32 lseg_err:1;		// bit 2
+		u32 bcnt_err:1;		// bit 3
+		u32 txq_underrun:1;	// bit 4
+		u32 ctrl2_err:1;	// bit 5
+		u32 unused1:2;		// bits 6-7
+		u32 fifo_underrun:1;	// bit 8
+		u32 unused2:23;		// bits 9-31
+#endif
+	} bits;
+} TXMAC_ERR_INT_t, *PTXMAC_ERR_INT_t;
+
+/*
+ * structure for error interrupt reg in txmac address map
+ * located at address 0x3020
+ */
+typedef union _TXMAC_CP_CTRL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:30;		// bits 2-31
+		u32 bp_req:1;		// bit 1
+		u32 bp_xonxoff:1;	// bit 0
+#else
+		u32 bp_xonxoff:1;	// bit 0
+		u32 bp_req:1;		// bit 1
+		u32 unused:30;		// bits 2-31
+#endif
+	} bits;
+} TXMAC_BP_CTRL_t, *PTXMAC_BP_CTRL_t;
+
+/*
+ * Tx MAC Module of JAGCore Address Mapping
+ */
+typedef struct _TXMAC_t {		// Location:
+	TXMAC_CTL_t ctl;		//  0x3000
+	TXMAC_SHADOW_PTR_t shadow_ptr;	//  0x3004
+	TXMAC_ERR_CNT_t err_cnt;	//  0x3008
+	TXMAC_MAX_FILL_t max_fill;	//  0x300C
+	TXMAC_CF_PARAM_t cf_param;	//  0x3010
+	TXMAC_TXTEST_t tx_test;		//  0x3014
+	TXMAC_ERR_t err;		//  0x3018
+	TXMAC_ERR_INT_t err_int;	//  0x301C
+	TXMAC_BP_CTRL_t bp_ctrl;	//  0x3020
+} TXMAC_t, *PTXMAC_t;
+
+/* END OF TXMAC REGISTER ADDRESS MAP */
+
+/* START OF RXMAC REGISTER ADDRESS MAP */
+
+/*
+ * structure for rxmac control reg in rxmac address map
+ * located at address 0x4000
+ */
+typedef union _RXMAC_CTRL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:25;		// bits 7-31
+		u32 rxmac_int_disable:1;	// bit 6
+		u32 async_disable:1;		// bit 5
+		u32 mif_disable:1;		// bit 4
+		u32 wol_disable:1;		// bit 3
+		u32 pkt_filter_disable:1;	// bit 2
+		u32 mcif_disable:1;		// bit 1
+		u32 rxmac_en:1;			// bit 0
+#else
+		u32 rxmac_en:1;			// bit 0
+		u32 mcif_disable:1;		// bit 1
+		u32 pkt_filter_disable:1;	// bit 2
+		u32 wol_disable:1;		// bit 3
+		u32 mif_disable:1;		// bit 4
+		u32 async_disable:1;		// bit 5
+		u32 rxmac_int_disable:1;	// bit 6
+		u32 reserved:25;		// bits 7-31
+#endif
+	} bits;
+} RXMAC_CTRL_t, *PRXMAC_CTRL_t;
+
+/*
+ * structure for Wake On Lan Control and CRC 0 reg in rxmac address map
+ * located at address 0x4004
+ */
+typedef union _RXMAC_WOL_CTL_CRC0_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 crc0:16;		// bits 16-31
+		u32 reserve:4;		// bits 12-15
+		u32 ignore_pp:1;	// bit 11
+		u32 ignore_mp:1;	// bit 10
+		u32 clr_intr:1;		// bit 9
+		u32 ignore_link_chg:1;	// bit 8
+		u32 ignore_uni:1;	// bit 7
+		u32 ignore_multi:1;	// bit 6
+		u32 ignore_broad:1;	// bit 5
+		u32 valid_crc4:1;	// bit 4
+		u32 valid_crc3:1;	// bit 3
+		u32 valid_crc2:1;	// bit 2
+		u32 valid_crc1:1;	// bit 1
+		u32 valid_crc0:1;	// bit 0
+#else
+		u32 valid_crc0:1;	// bit 0
+		u32 valid_crc1:1;	// bit 1
+		u32 valid_crc2:1;	// bit 2
+		u32 valid_crc3:1;	// bit 3
+		u32 valid_crc4:1;	// bit 4
+		u32 ignore_broad:1;	// bit 5
+		u32 ignore_multi:1;	// bit 6
+		u32 ignore_uni:1;	// bit 7
+		u32 ignore_link_chg:1;	// bit 8
+		u32 clr_intr:1;		// bit 9
+		u32 ignore_mp:1;	// bit 10
+		u32 ignore_pp:1;	// bit 11
+		u32 reserve:4;		// bits 12-15
+		u32 crc0:16;		// bits 16-31
+#endif
+	} bits;
+} RXMAC_WOL_CTL_CRC0_t, *PRXMAC_WOL_CTL_CRC0_t;
+
+/*
+ * structure for CRC 1 and CRC 2 reg in rxmac address map
+ * located at address 0x4008
+ */
+typedef union _RXMAC_WOL_CRC12_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 crc2:16;	// bits 16-31
+		u32 crc1:16;	// bits 0-15
+#else
+		u32 crc1:16;	// bits 0-15
+		u32 crc2:16;	// bits 16-31
+#endif
+	} bits;
+} RXMAC_WOL_CRC12_t, *PRXMAC_WOL_CRC12_t;
+
+/*
+ * structure for CRC 3 and CRC 4 reg in rxmac address map
+ * located at address 0x400C
+ */
+typedef union _RXMAC_WOL_CRC34_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 crc4:16;	// bits 16-31
+		u32 crc3:16;	// bits 0-15
+#else
+		u32 crc3:16;	// bits 0-15
+		u32 crc4:16;	// bits 16-31
+#endif
+	} bits;
+} RXMAC_WOL_CRC34_t, *PRXMAC_WOL_CRC34_t;
+
+/*
+ * structure for Wake On Lan Source Address Lo reg in rxmac address map
+ * located at address 0x4010
+ */
+typedef union _RXMAC_WOL_SA_LO_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 sa3:8;	// bits 24-31
+		u32 sa4:8;	// bits 16-23
+		u32 sa5:8;	// bits 8-15
+		u32 sa6:8;	// bits 0-7
+#else
+		u32 sa6:8;	// bits 0-7
+		u32 sa5:8;	// bits 8-15
+		u32 sa4:8;	// bits 16-23
+		u32 sa3:8;	// bits 24-31
+#endif
+	} bits;
+} RXMAC_WOL_SA_LO_t, *PRXMAC_WOL_SA_LO_t;
+
+/*
+ * structure for Wake On Lan Source Address Hi reg in rxmac address map
+ * located at address 0x4014
+ */
+typedef union _RXMAC_WOL_SA_HI_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:16;	// bits 16-31
+		u32 sa1:8;		// bits 8-15
+		u32 sa2:8;		// bits 0-7
+#else
+		u32 sa2:8;		// bits 0-7
+		u32 sa1:8;		// bits 8-15
+		u32 reserved:16;	// bits 16-31
+#endif
+	} bits;
+} RXMAC_WOL_SA_HI_t, *PRXMAC_WOL_SA_HI_t;
+
+/*
+ * structure for Wake On Lan mask reg in rxmac address map
+ * located at address 0x4018 - 0x4064
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for Unicast Paket Filter Address 1 reg in rxmac address map
+ * located at address 0x4068
+ */
+typedef union _RXMAC_UNI_PF_ADDR1_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 addr1_3:8;	// bits 24-31
+		u32 addr1_4:8;	// bits 16-23
+		u32 addr1_5:8;	// bits 8-15
+		u32 addr1_6:8;	// bits 0-7
+#else
+		u32 addr1_6:8;	// bits 0-7
+		u32 addr1_5:8;	// bits 8-15
+		u32 addr1_4:8;	// bits 16-23
+		u32 addr1_3:8;	// bits 24-31
+#endif
+	} bits;
+} RXMAC_UNI_PF_ADDR1_t, *PRXMAC_UNI_PF_ADDR1_t;
+
+/*
+ * structure for Unicast Paket Filter Address 2 reg in rxmac address map
+ * located at address 0x406C
+ */
+typedef union _RXMAC_UNI_PF_ADDR2_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 addr2_3:8;	// bits 24-31
+		u32 addr2_4:8;	// bits 16-23
+		u32 addr2_5:8;	// bits 8-15
+		u32 addr2_6:8;	// bits 0-7
+#else
+		u32 addr2_6:8;	// bits 0-7
+		u32 addr2_5:8;	// bits 8-15
+		u32 addr2_4:8;	// bits 16-23
+		u32 addr2_3:8;	// bits 24-31
+#endif
+	} bits;
+} RXMAC_UNI_PF_ADDR2_t, *PRXMAC_UNI_PF_ADDR2_t;
+
+/*
+ * structure for Unicast Paket Filter Address 1 & 2 reg in rxmac address map
+ * located at address 0x4070
+ */
+typedef union _RXMAC_UNI_PF_ADDR3_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 addr2_1:8;	// bits 24-31
+		u32 addr2_2:8;	// bits 16-23
+		u32 addr1_1:8;	// bits 8-15
+		u32 addr1_2:8;	// bits 0-7
+#else
+		u32 addr1_2:8;	// bits 0-7
+		u32 addr1_1:8;	// bits 8-15
+		u32 addr2_2:8;	// bits 16-23
+		u32 addr2_1:8;	// bits 24-31
+#endif
+	} bits;
+} RXMAC_UNI_PF_ADDR3_t, *PRXMAC_UNI_PF_ADDR3_t;
+
+/*
+ * structure for Multicast Hash reg in rxmac address map
+ * located at address 0x4074 - 0x4080
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for Packet Filter Control reg in rxmac address map
+ * located at address 0x4084
+ */
+typedef union _RXMAC_PF_CTRL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused2:9;		// bits 23-31
+		u32 min_pkt_size:7;	// bits 16-22
+		u32 unused1:12;		// bits 4-15
+		u32 filter_frag_en:1;	// bit 3
+		u32 filter_uni_en:1;	// bit 2
+		u32 filter_multi_en:1;	// bit 1
+		u32 filter_broad_en:1;	// bit 0
+#else
+		u32 filter_broad_en:1;	// bit 0
+		u32 filter_multi_en:1;	// bit 1
+		u32 filter_uni_en:1;	// bit 2
+		u32 filter_frag_en:1;	// bit 3
+		u32 unused1:12;		// bits 4-15
+		u32 min_pkt_size:7;	// bits 16-22
+		u32 unused2:9;		// bits 23-31
+#endif
+	} bits;
+} RXMAC_PF_CTRL_t, *PRXMAC_PF_CTRL_t;
+
+/*
+ * structure for Memory Controller Interface Control Max Segment reg in rxmac
+ * address map.  Located at address 0x4088
+ */
+typedef union _RXMAC_MCIF_CTRL_MAX_SEG_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:22;	// bits 10-31
+		u32 max_size:8;	// bits 2-9
+		u32 fc_en:1;	// bit 1
+		u32 seg_en:1;	// bit 0
+#else
+		u32 seg_en:1;	// bit 0
+		u32 fc_en:1;	// bit 1
+		u32 max_size:8;	// bits 2-9
+		u32 reserved:22;	// bits 10-31
+#endif
+	} bits;
+} RXMAC_MCIF_CTRL_MAX_SEG_t, *PRXMAC_MCIF_CTRL_MAX_SEG_t;
+
+/*
+ * structure for Memory Controller Interface Water Mark reg in rxmac address
+ * map.  Located at address 0x408C
+ */
+typedef union _RXMAC_MCIF_WATER_MARK_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved2:6;	// bits 26-31
+		u32 mark_hi:10;	// bits 16-25
+		u32 reserved1:6;	// bits 10-15
+		u32 mark_lo:10;	// bits 0-9
+#else
+		u32 mark_lo:10;	// bits 0-9
+		u32 reserved1:6;	// bits 10-15
+		u32 mark_hi:10;	// bits 16-25
+		u32 reserved2:6;	// bits 26-31
+#endif
+	} bits;
+} RXMAC_MCIF_WATER_MARK_t, *PRXMAC_MCIF_WATER_MARK_t;
+
+/*
+ * structure for Rx Queue Dialog reg in rxmac address map.
+ * located at address 0x4090
+ */
+typedef union _RXMAC_RXQ_DIAG_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved2:6;	// bits 26-31
+		u32 rd_ptr:10;	// bits 16-25
+		u32 reserved1:6;	// bits 10-15
+		u32 wr_ptr:10;	// bits 0-9
+#else
+		u32 wr_ptr:10;	// bits 0-9
+		u32 reserved1:6;	// bits 10-15
+		u32 rd_ptr:10;	// bits 16-25
+		u32 reserved2:6;	// bits 26-31
+#endif
+	} bits;
+} RXMAC_RXQ_DIAG_t, *PRXMAC_RXQ_DIAG_t;
+
+/*
+ * structure for space availiable reg in rxmac address map.
+ * located at address 0x4094
+ */
+typedef union _RXMAC_SPACE_AVAIL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved2:15;		// bits 17-31
+		u32 space_avail_en:1;	// bit 16
+		u32 reserved1:6;		// bits 10-15
+		u32 space_avail:10;	// bits 0-9
+#else
+		u32 space_avail:10;	// bits 0-9
+		u32 reserved1:6;		// bits 10-15
+		u32 space_avail_en:1;	// bit 16
+		u32 reserved2:15;		// bits 17-31
+#endif
+	} bits;
+} RXMAC_SPACE_AVAIL_t, *PRXMAC_SPACE_AVAIL_t;
+
+/*
+ * structure for management interface reg in rxmac address map.
+ * located at address 0x4098
+ */
+typedef union _RXMAC_MIF_CTL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserve:14;		// bits 18-31
+		u32 drop_pkt_en:1;		// bit 17
+		u32 drop_pkt_mask:17;	// bits 0-16
+#else
+		u32 drop_pkt_mask:17;	// bits 0-16
+		u32 drop_pkt_en:1;		// bit 17
+		u32 reserve:14;		// bits 18-31
+#endif
+	} bits;
+} RXMAC_MIF_CTL_t, *PRXMAC_MIF_CTL_t;
+
+/*
+ * structure for Error reg in rxmac address map.
+ * located at address 0x409C
+ */
+typedef union _RXMAC_ERROR_REG_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserve:28;	// bits 4-31
+		u32 mif:1;		// bit 3
+		u32 async:1;	// bit 2
+		u32 pkt_filter:1;	// bit 1
+		u32 mcif:1;	// bit 0
+#else
+		u32 mcif:1;	// bit 0
+		u32 pkt_filter:1;	// bit 1
+		u32 async:1;	// bit 2
+		u32 mif:1;		// bit 3
+		u32 reserve:28;	// bits 4-31
+#endif
+	} bits;
+} RXMAC_ERROR_REG_t, *PRXMAC_ERROR_REG_t;
+
+/*
+ * Rx MAC Module of JAGCore Address Mapping
+ */
+typedef struct _RXMAC_t {				// Location:
+	RXMAC_CTRL_t ctrl;				//  0x4000
+	RXMAC_WOL_CTL_CRC0_t crc0;			//  0x4004
+	RXMAC_WOL_CRC12_t crc12;			//  0x4008
+	RXMAC_WOL_CRC34_t crc34;			//  0x400C
+	RXMAC_WOL_SA_LO_t sa_lo;			//  0x4010
+	RXMAC_WOL_SA_HI_t sa_hi;			//  0x4014
+	u32 mask0_word0;				//  0x4018
+	u32 mask0_word1;				//  0x401C
+	u32 mask0_word2;				//  0x4020
+	u32 mask0_word3;				//  0x4024
+	u32 mask1_word0;				//  0x4028
+	u32 mask1_word1;				//  0x402C
+	u32 mask1_word2;				//  0x4030
+	u32 mask1_word3;				//  0x4034
+	u32 mask2_word0;				//  0x4038
+	u32 mask2_word1;				//  0x403C
+	u32 mask2_word2;				//  0x4040
+	u32 mask2_word3;				//  0x4044
+	u32 mask3_word0;				//  0x4048
+	u32 mask3_word1;				//  0x404C
+	u32 mask3_word2;				//  0x4050
+	u32 mask3_word3;				//  0x4054
+	u32 mask4_word0;				//  0x4058
+	u32 mask4_word1;				//  0x405C
+	u32 mask4_word2;				//  0x4060
+	u32 mask4_word3;				//  0x4064
+	RXMAC_UNI_PF_ADDR1_t uni_pf_addr1;		//  0x4068
+	RXMAC_UNI_PF_ADDR2_t uni_pf_addr2;		//  0x406C
+	RXMAC_UNI_PF_ADDR3_t uni_pf_addr3;		//  0x4070
+	u32 multi_hash1;				//  0x4074
+	u32 multi_hash2;				//  0x4078
+	u32 multi_hash3;				//  0x407C
+	u32 multi_hash4;				//  0x4080
+	RXMAC_PF_CTRL_t pf_ctrl;			//  0x4084
+	RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg;	//  0x4088
+	RXMAC_MCIF_WATER_MARK_t mcif_water_mark;	//  0x408C
+	RXMAC_RXQ_DIAG_t rxq_diag;			//  0x4090
+	RXMAC_SPACE_AVAIL_t space_avail;		//  0x4094
+
+	RXMAC_MIF_CTL_t mif_ctrl;			//  0x4098
+	RXMAC_ERROR_REG_t err_reg;			//  0x409C
+} RXMAC_t, *PRXMAC_t;
+
+/* END OF TXMAC REGISTER ADDRESS MAP */
+
+
+/* START OF MAC REGISTER ADDRESS MAP */
+
+/*
+ * structure for configuration #1 reg in mac address map.
+ * located at address 0x5000
+ */
+typedef union _MAC_CFG1_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 soft_reset:1;		// bit 31
+		u32 sim_reset:1;		// bit 30
+		u32 reserved3:10;		// bits 20-29
+		u32 reset_rx_mc:1;		// bit 19
+		u32 reset_tx_mc:1;		// bit 18
+		u32 reset_rx_fun:1;	// bit 17
+		u32 reset_tx_fun:1;	// bit 16
+		u32 reserved2:7;		// bits 9-15
+		u32 loop_back:1;		// bit 8
+		u32 reserved1:2;		// bits 6-7
+		u32 rx_flow:1;		// bit 5
+		u32 tx_flow:1;		// bit 4
+		u32 syncd_rx_en:1;		// bit 3
+		u32 rx_enable:1;		// bit 2
+		u32 syncd_tx_en:1;		// bit 1
+		u32 tx_enable:1;		// bit 0
+#else
+		u32 tx_enable:1;		// bit 0
+		u32 syncd_tx_en:1;		// bit 1
+		u32 rx_enable:1;		// bit 2
+		u32 syncd_rx_en:1;		// bit 3
+		u32 tx_flow:1;		// bit 4
+		u32 rx_flow:1;		// bit 5
+		u32 reserved1:2;		// bits 6-7
+		u32 loop_back:1;		// bit 8
+		u32 reserved2:7;		// bits 9-15
+		u32 reset_tx_fun:1;	// bit 16
+		u32 reset_rx_fun:1;	// bit 17
+		u32 reset_tx_mc:1;		// bit 18
+		u32 reset_rx_mc:1;		// bit 19
+		u32 reserved3:10;		// bits 20-29
+		u32 sim_reset:1;		// bit 30
+		u32 soft_reset:1;		// bit 31
+#endif
+	} bits;
+} MAC_CFG1_t, *PMAC_CFG1_t;
+
+/*
+ * structure for configuration #2 reg in mac address map.
+ * located at address 0x5004
+ */
+typedef union _MAC_CFG2_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved3:16;		// bits 16-31
+		u32 preamble_len:4;	// bits 12-15
+		u32 reserved2:2;		// bits 10-11
+		u32 if_mode:2;		// bits 8-9
+		u32 reserved1:2;		// bits 6-7
+		u32 huge_frame:1;		// bit 5
+		u32 len_check:1;		// bit 4
+		u32 undefined:1;		// bit 3
+		u32 pad_crc:1;		// bit 2
+		u32 crc_enable:1;		// bit 1
+		u32 full_duplex:1;		// bit 0
+#else
+		u32 full_duplex:1;		// bit 0
+		u32 crc_enable:1;		// bit 1
+		u32 pad_crc:1;		// bit 2
+		u32 undefined:1;		// bit 3
+		u32 len_check:1;		// bit 4
+		u32 huge_frame:1;		// bit 5
+		u32 reserved1:2;		// bits 6-7
+		u32 if_mode:2;		// bits 8-9
+		u32 reserved2:2;		// bits 10-11
+		u32 preamble_len:4;	// bits 12-15
+		u32 reserved3:16;		// bits 16-31
+#endif
+	} bits;
+} MAC_CFG2_t, *PMAC_CFG2_t;
+
+/*
+ * structure for Interpacket gap reg in mac address map.
+ * located at address 0x5008
+ */
+typedef union _MAC_IPG_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:1;		// bit 31
+		u32 non_B2B_ipg_1:7;	// bits 24-30
+		u32 undefined2:1;		// bit 23
+		u32 non_B2B_ipg_2:7;	// bits 16-22
+		u32 min_ifg_enforce:8;	// bits 8-15
+		u32 undefined1:1;		// bit 7
+		u32 B2B_ipg:7;		// bits 0-6
+#else
+		u32 B2B_ipg:7;		// bits 0-6
+		u32 undefined1:1;		// bit 7
+		u32 min_ifg_enforce:8;	// bits 8-15
+		u32 non_B2B_ipg_2:7;	// bits 16-22
+		u32 undefined2:1;		// bit 23
+		u32 non_B2B_ipg_1:7;	// bits 24-30
+		u32 reserved:1;		// bit 31
+#endif
+	} bits;
+} MAC_IPG_t, *PMAC_IPG_t;
+
+/*
+ * structure for half duplex reg in mac address map.
+ * located at address 0x500C
+ */
+typedef union _MAC_HFDP_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved2:8;		// bits 24-31
+		u32 alt_beb_trunc:4;	// bits 23-20
+		u32 alt_beb_enable:1;	// bit 19
+		u32 bp_no_backoff:1;	// bit 18
+		u32 no_backoff:1;		// bit 17
+		u32 excess_defer:1;	// bit 16
+		u32 rexmit_max:4;		// bits 12-15
+		u32 reserved1:2;		// bits 10-11
+		u32 coll_window:10;	// bits 0-9
+#else
+		u32 coll_window:10;	// bits 0-9
+		u32 reserved1:2;		// bits 10-11
+		u32 rexmit_max:4;		// bits 12-15
+		u32 excess_defer:1;	// bit 16
+		u32 no_backoff:1;		// bit 17
+		u32 bp_no_backoff:1;	// bit 18
+		u32 alt_beb_enable:1;	// bit 19
+		u32 alt_beb_trunc:4;	// bits 23-20
+		u32 reserved2:8;		// bits 24-31
+#endif
+	} bits;
+} MAC_HFDP_t, *PMAC_HFDP_t;
+
+/*
+ * structure for Maximum Frame Length reg in mac address map.
+ * located at address 0x5010
+ */
+typedef union _MAC_MAX_FM_LEN_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:16;	// bits 16-31
+		u32 max_len:16;	// bits 0-15
+#else
+		u32 max_len:16;	// bits 0-15
+		u32 reserved:16;	// bits 16-31
+#endif
+	} bits;
+} MAC_MAX_FM_LEN_t, *PMAC_MAX_FM_LEN_t;
+
+/*
+ * structure for Reserve 1 reg in mac address map.
+ * located at address 0x5014 - 0x5018
+ * Defined earlier (u32)
+ */
+
+/*
+ * structure for Test reg in mac address map.
+ * located at address 0x501C
+ */
+typedef union _MAC_TEST_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:29;	// bits 3-31
+		u32 mac_test:3;	// bits 0-2
+#else
+		u32 mac_test:3;	// bits 0-2
+		u32 unused:29;	// bits 3-31
+#endif
+	} bits;
+} MAC_TEST_t, *PMAC_TEST_t;
+
+/*
+ * structure for MII Management Configuration reg in mac address map.
+ * located at address 0x5020
+ */
+typedef union _MII_MGMT_CFG_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reset_mii_mgmt:1;	// bit 31
+		u32 reserved:25;		// bits 6-30
+		u32 scan_auto_incremt:1;	// bit 5
+		u32 preamble_suppress:1;	// bit 4
+		u32 undefined:1;		// bit 3
+		u32 mgmt_clk_reset:3;	// bits 0-2
+#else
+		u32 mgmt_clk_reset:3;	// bits 0-2
+		u32 undefined:1;		// bit 3
+		u32 preamble_suppress:1;	// bit 4
+		u32 scan_auto_incremt:1;	// bit 5
+		u32 reserved:25;		// bits 6-30
+		u32 reset_mii_mgmt:1;	// bit 31
+#endif
+	} bits;
+} MII_MGMT_CFG_t, *PMII_MGMT_CFG_t;
+
+/*
+ * structure for MII Management Command reg in mac address map.
+ * located at address 0x5024
+ */
+typedef union _MII_MGMT_CMD_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:30;	// bits 2-31
+		u32 scan_cycle:1;	// bit 1
+		u32 read_cycle:1;	// bit 0
+#else
+		u32 read_cycle:1;	// bit 0
+		u32 scan_cycle:1;	// bit 1
+		u32 reserved:30;	// bits 2-31
+#endif
+	} bits;
+} MII_MGMT_CMD_t, *PMII_MGMT_CMD_t;
+
+/*
+ * structure for MII Management Address reg in mac address map.
+ * located at address 0x5028
+ */
+typedef union _MII_MGMT_ADDR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved2:19;	// bit 13-31
+		u32 phy_addr:5;	// bits 8-12
+		u32 reserved1:3;	// bits 5-7
+		u32 reg_addr:5;	// bits 0-4
+#else
+		u32 reg_addr:5;	// bits 0-4
+		u32 reserved1:3;	// bits 5-7
+		u32 phy_addr:5;	// bits 8-12
+		u32 reserved2:19;	// bit 13-31
+#endif
+	} bits;
+} MII_MGMT_ADDR_t, *PMII_MGMT_ADDR_t;
+
+/*
+ * structure for MII Management Control reg in mac address map.
+ * located at address 0x502C
+ */
+typedef union _MII_MGMT_CTRL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:16;	// bits 16-31
+		u32 phy_ctrl:16;	// bits 0-15
+#else
+		u32 phy_ctrl:16;	// bits 0-15
+		u32 reserved:16;	// bits 16-31
+#endif
+	} bits;
+} MII_MGMT_CTRL_t, *PMII_MGMT_CTRL_t;
+
+/*
+ * structure for MII Management Status reg in mac address map.
+ * located at address 0x5030
+ */
+typedef union _MII_MGMT_STAT_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:16;	// bits 16-31
+		u32 phy_stat:16;	// bits 0-15
+#else
+		u32 phy_stat:16;	// bits 0-15
+		u32 reserved:16;	// bits 16-31
+#endif
+	} bits;
+} MII_MGMT_STAT_t, *PMII_MGMT_STAT_t;
+
+/*
+ * structure for MII Management Indicators reg in mac address map.
+ * located at address 0x5034
+ */
+typedef union _MII_MGMT_INDICATOR_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:29;	// bits 3-31
+		u32 not_valid:1;	// bit 2
+		u32 scanning:1;	// bit 1
+		u32 busy:1;	// bit 0
+#else
+		u32 busy:1;	// bit 0
+		u32 scanning:1;	// bit 1
+		u32 not_valid:1;	// bit 2
+		u32 reserved:29;	// bits 3-31
+#endif
+	} bits;
+} MII_MGMT_INDICATOR_t, *PMII_MGMT_INDICATOR_t;
+
+/*
+ * structure for Interface Control reg in mac address map.
+ * located at address 0x5038
+ */
+typedef union _MAC_IF_CTRL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reset_if_module:1;	// bit 31
+		u32 reserved4:3;		// bit 28-30
+		u32 tbi_mode:1;		// bit 27
+		u32 ghd_mode:1;		// bit 26
+		u32 lhd_mode:1;		// bit 25
+		u32 phy_mode:1;		// bit 24
+		u32 reset_per_mii:1;	// bit 23
+		u32 reserved3:6;		// bits 17-22
+		u32 speed:1;		// bit 16
+		u32 reset_pe100x:1;	// bit 15
+		u32 reserved2:4;		// bits 11-14
+		u32 force_quiet:1;		// bit 10
+		u32 no_cipher:1;		// bit 9
+		u32 disable_link_fail:1;	// bit 8
+		u32 reset_gpsi:1;		// bit 7
+		u32 reserved1:6;		// bits 1-6
+		u32 enab_jab_protect:1;	// bit 0
+#else
+		u32 enab_jab_protect:1;	// bit 0
+		u32 reserved1:6;		// bits 1-6
+		u32 reset_gpsi:1;		// bit 7
+		u32 disable_link_fail:1;	// bit 8
+		u32 no_cipher:1;		// bit 9
+		u32 force_quiet:1;		// bit 10
+		u32 reserved2:4;		// bits 11-14
+		u32 reset_pe100x:1;	// bit 15
+		u32 speed:1;		// bit 16
+		u32 reserved3:6;		// bits 17-22
+		u32 reset_per_mii:1;	// bit 23
+		u32 phy_mode:1;		// bit 24
+		u32 lhd_mode:1;		// bit 25
+		u32 ghd_mode:1;		// bit 26
+		u32 tbi_mode:1;		// bit 27
+		u32 reserved4:3;		// bit 28-30
+		u32 reset_if_module:1;	// bit 31
+#endif
+	} bits;
+} MAC_IF_CTRL_t, *PMAC_IF_CTRL_t;
+
+/*
+ * structure for Interface Status reg in mac address map.
+ * located at address 0x503C
+ */
+typedef union _MAC_IF_STAT_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:22;		// bits 10-31
+		u32 excess_defer:1;	// bit 9
+		u32 clash:1;		// bit 8
+		u32 phy_jabber:1;		// bit 7
+		u32 phy_link_ok:1;		// bit 6
+		u32 phy_full_duplex:1;	// bit 5
+		u32 phy_speed:1;		// bit 4
+		u32 pe100x_link_fail:1;	// bit 3
+		u32 pe10t_loss_carrie:1;	// bit 2
+		u32 pe10t_sqe_error:1;	// bit 1
+		u32 pe10t_jabber:1;	// bit 0
+#else
+		u32 pe10t_jabber:1;	// bit 0
+		u32 pe10t_sqe_error:1;	// bit 1
+		u32 pe10t_loss_carrie:1;	// bit 2
+		u32 pe100x_link_fail:1;	// bit 3
+		u32 phy_speed:1;		// bit 4
+		u32 phy_full_duplex:1;	// bit 5
+		u32 phy_link_ok:1;		// bit 6
+		u32 phy_jabber:1;		// bit 7
+		u32 clash:1;		// bit 8
+		u32 excess_defer:1;	// bit 9
+		u32 reserved:22;		// bits 10-31
+#endif
+	} bits;
+} MAC_IF_STAT_t, *PMAC_IF_STAT_t;
+
+/*
+ * structure for Mac Station Address, Part 1 reg in mac address map.
+ * located at address 0x5040
+ */
+typedef union _MAC_STATION_ADDR1_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 Octet6:8;	// bits 24-31
+		u32 Octet5:8;	// bits 16-23
+		u32 Octet4:8;	// bits 8-15
+		u32 Octet3:8;	// bits 0-7
+#else
+		u32 Octet3:8;	// bits 0-7
+		u32 Octet4:8;	// bits 8-15
+		u32 Octet5:8;	// bits 16-23
+		u32 Octet6:8;	// bits 24-31
+#endif
+	} bits;
+} MAC_STATION_ADDR1_t, *PMAC_STATION_ADDR1_t;
+
+/*
+ * structure for Mac Station Address, Part 2 reg in mac address map.
+ * located at address 0x5044
+ */
+typedef union _MAC_STATION_ADDR2_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 Octet2:8;	// bits 24-31
+		u32 Octet1:8;	// bits 16-23
+		u32 reserved:16;	// bits 0-15
+#else
+		u32 reserved:16;	// bit 0-15
+		u32 Octet1:8;	// bits 16-23
+		u32 Octet2:8;	// bits 24-31
+#endif
+	} bits;
+} MAC_STATION_ADDR2_t, *PMAC_STATION_ADDR2_t;
+
+/*
+ * MAC Module of JAGCore Address Mapping
+ */
+typedef struct _MAC_t {					// Location:
+	MAC_CFG1_t cfg1;				//  0x5000
+	MAC_CFG2_t cfg2;				//  0x5004
+	MAC_IPG_t ipg;					//  0x5008
+	MAC_HFDP_t hfdp;				//  0x500C
+	MAC_MAX_FM_LEN_t max_fm_len;			//  0x5010
+	u32 rsv1;					//  0x5014
+	u32 rsv2;					//  0x5018
+	MAC_TEST_t mac_test;				//  0x501C
+	MII_MGMT_CFG_t mii_mgmt_cfg;			//  0x5020
+	MII_MGMT_CMD_t mii_mgmt_cmd;			//  0x5024
+	MII_MGMT_ADDR_t mii_mgmt_addr;			//  0x5028
+	MII_MGMT_CTRL_t mii_mgmt_ctrl;			//  0x502C
+	MII_MGMT_STAT_t mii_mgmt_stat;			//  0x5030
+	MII_MGMT_INDICATOR_t mii_mgmt_indicator;	//  0x5034
+	MAC_IF_CTRL_t if_ctrl;				//  0x5038
+	MAC_IF_STAT_t if_stat;				//  0x503C
+	MAC_STATION_ADDR1_t station_addr_1;		//  0x5040
+	MAC_STATION_ADDR2_t station_addr_2;		//  0x5044
+} MAC_t, *PMAC_t;
+
+/* END OF MAC REGISTER ADDRESS MAP */
+
+/* START OF MAC STAT REGISTER ADDRESS MAP */
+
+/*
+ * structure for Carry Register One and it's Mask Register reg located in mac
+ * stat address map address 0x6130 and 0x6138.
+ */
+typedef union _MAC_STAT_REG_1_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 tr64:1;	// bit 31
+		u32 tr127:1;	// bit 30
+		u32 tr255:1;	// bit 29
+		u32 tr511:1;	// bit 28
+		u32 tr1k:1;	// bit 27
+		u32 trmax:1;	// bit 26
+		u32 trmgv:1;	// bit 25
+		u32 unused:8;	// bits 17-24
+		u32 rbyt:1;	// bit 16
+		u32 rpkt:1;	// bit 15
+		u32 rfcs:1;	// bit 14
+		u32 rmca:1;	// bit 13
+		u32 rbca:1;	// bit 12
+		u32 rxcf:1;	// bit 11
+		u32 rxpf:1;	// bit 10
+		u32 rxuo:1;	// bit 9
+		u32 raln:1;	// bit 8
+		u32 rflr:1;	// bit 7
+		u32 rcde:1;	// bit 6
+		u32 rcse:1;	// bit 5
+		u32 rund:1;	// bit 4
+		u32 rovr:1;	// bit 3
+		u32 rfrg:1;	// bit 2
+		u32 rjbr:1;	// bit 1
+		u32 rdrp:1;	// bit 0
+#else
+		u32 rdrp:1;	// bit 0
+		u32 rjbr:1;	// bit 1
+		u32 rfrg:1;	// bit 2
+		u32 rovr:1;	// bit 3
+		u32 rund:1;	// bit 4
+		u32 rcse:1;	// bit 5
+		u32 rcde:1;	// bit 6
+		u32 rflr:1;	// bit 7
+		u32 raln:1;	// bit 8
+		u32 rxuo:1;	// bit 9
+		u32 rxpf:1;	// bit 10
+		u32 rxcf:1;	// bit 11
+		u32 rbca:1;	// bit 12
+		u32 rmca:1;	// bit 13
+		u32 rfcs:1;	// bit 14
+		u32 rpkt:1;	// bit 15
+		u32 rbyt:1;	// bit 16
+		u32 unused:8;	// bits 17-24
+		u32 trmgv:1;	// bit 25
+		u32 trmax:1;	// bit 26
+		u32 tr1k:1;	// bit 27
+		u32 tr511:1;	// bit 28
+		u32 tr255:1;	// bit 29
+		u32 tr127:1;	// bit 30
+		u32 tr64:1;	// bit 31
+#endif
+	} bits;
+} MAC_STAT_REG_1_t, *PMAC_STAT_REG_1_t;
+
+/*
+ * structure for Carry Register Two Mask Register reg in mac stat address map.
+ * located at address 0x613C
+ */
+typedef union _MAC_STAT_REG_2_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:12;	// bit 20-31
+		u32 tjbr:1;	// bit 19
+		u32 tfcs:1;	// bit 18
+		u32 txcf:1;	// bit 17
+		u32 tovr:1;	// bit 16
+		u32 tund:1;	// bit 15
+		u32 tfrg:1;	// bit 14
+		u32 tbyt:1;	// bit 13
+		u32 tpkt:1;	// bit 12
+		u32 tmca:1;	// bit 11
+		u32 tbca:1;	// bit 10
+		u32 txpf:1;	// bit 9
+		u32 tdfr:1;	// bit 8
+		u32 tedf:1;	// bit 7
+		u32 tscl:1;	// bit 6
+		u32 tmcl:1;	// bit 5
+		u32 tlcl:1;	// bit 4
+		u32 txcl:1;	// bit 3
+		u32 tncl:1;	// bit 2
+		u32 tpfh:1;	// bit 1
+		u32 tdrp:1;	// bit 0
+#else
+		u32 tdrp:1;	// bit 0
+		u32 tpfh:1;	// bit 1
+		u32 tncl:1;	// bit 2
+		u32 txcl:1;	// bit 3
+		u32 tlcl:1;	// bit 4
+		u32 tmcl:1;	// bit 5
+		u32 tscl:1;	// bit 6
+		u32 tedf:1;	// bit 7
+		u32 tdfr:1;	// bit 8
+		u32 txpf:1;	// bit 9
+		u32 tbca:1;	// bit 10
+		u32 tmca:1;	// bit 11
+		u32 tpkt:1;	// bit 12
+		u32 tbyt:1;	// bit 13
+		u32 tfrg:1;	// bit 14
+		u32 tund:1;	// bit 15
+		u32 tovr:1;	// bit 16
+		u32 txcf:1;	// bit 17
+		u32 tfcs:1;	// bit 18
+		u32 tjbr:1;	// bit 19
+		u32 unused:12;	// bit 20-31
+#endif
+	} bits;
+} MAC_STAT_REG_2_t, *PMAC_STAT_REG_2_t;
+
+/*
+ * MAC STATS Module of JAGCore Address Mapping
+ */
+typedef struct _MAC_STAT_t {		// Location:
+	u32 pad[32];		//  0x6000 - 607C
+
+	// Tx/Rx 0-64 Byte Frame Counter
+	u32 TR64;			//  0x6080
+
+	// Tx/Rx 65-127 Byte Frame Counter
+	u32 TR127;			//  0x6084
+
+	// Tx/Rx 128-255 Byte Frame Counter
+	u32 TR255;			//  0x6088
+
+	// Tx/Rx 256-511 Byte Frame Counter
+	u32 TR511;			//  0x608C
+
+	// Tx/Rx 512-1023 Byte Frame Counter
+	u32 TR1K;			//  0x6090
+
+	// Tx/Rx 1024-1518 Byte Frame Counter
+	u32 TRMax;			//  0x6094
+
+	// Tx/Rx 1519-1522 Byte Good VLAN Frame Count
+	u32 TRMgv;			//  0x6098
+
+	// Rx Byte Counter
+	u32 RByt;			//  0x609C
+
+	// Rx Packet Counter
+	u32 RPkt;			//  0x60A0
+
+	// Rx FCS Error Counter
+	u32 RFcs;			//  0x60A4
+
+	// Rx Multicast Packet Counter
+	u32 RMca;			//  0x60A8
+
+	// Rx Broadcast Packet Counter
+	u32 RBca;			//  0x60AC
+
+	// Rx Control Frame Packet Counter
+	u32 RxCf;			//  0x60B0
+
+	// Rx Pause Frame Packet Counter
+	u32 RxPf;			//  0x60B4
+
+	// Rx Unknown OP Code Counter
+	u32 RxUo;			//  0x60B8
+
+	// Rx Alignment Error Counter
+	u32 RAln;			//  0x60BC
+
+	// Rx Frame Length Error Counter
+	u32 RFlr;			//  0x60C0
+
+	// Rx Code Error Counter
+	u32 RCde;			//  0x60C4
+
+	// Rx Carrier Sense Error Counter
+	u32 RCse;			//  0x60C8
+
+	// Rx Undersize Packet Counter
+	u32 RUnd;			//  0x60CC
+
+	// Rx Oversize Packet Counter
+	u32 ROvr;			//  0x60D0
+
+	// Rx Fragment Counter
+	u32 RFrg;			//  0x60D4
+
+	// Rx Jabber Counter
+	u32 RJbr;			//  0x60D8
+
+	// Rx Drop
+	u32 RDrp;			//  0x60DC
+
+	// Tx Byte Counter
+	u32 TByt;			//  0x60E0
+
+	// Tx Packet Counter
+	u32 TPkt;			//  0x60E4
+
+	// Tx Multicast Packet Counter
+	u32 TMca;			//  0x60E8
+
+	// Tx Broadcast Packet Counter
+	u32 TBca;			//  0x60EC
+
+	// Tx Pause Control Frame Counter
+	u32 TxPf;			//  0x60F0
+
+	// Tx Deferral Packet Counter
+	u32 TDfr;			//  0x60F4
+
+	// Tx Excessive Deferral Packet Counter
+	u32 TEdf;			//  0x60F8
+
+	// Tx Single Collision Packet Counter
+	u32 TScl;			//  0x60FC
+
+	// Tx Multiple Collision Packet Counter
+	u32 TMcl;			//  0x6100
+
+	// Tx Late Collision Packet Counter
+	u32 TLcl;			//  0x6104
+
+	// Tx Excessive Collision Packet Counter
+	u32 TXcl;			//  0x6108
+
+	// Tx Total Collision Packet Counter
+	u32 TNcl;			//  0x610C
+
+	// Tx Pause Frame Honored Counter
+	u32 TPfh;			//  0x6110
+
+	// Tx Drop Frame Counter
+	u32 TDrp;			//  0x6114
+
+	// Tx Jabber Frame Counter
+	u32 TJbr;			//  0x6118
+
+	// Tx FCS Error Counter
+	u32 TFcs;			//  0x611C
+
+	// Tx Control Frame Counter
+	u32 TxCf;			//  0x6120
+
+	// Tx Oversize Frame Counter
+	u32 TOvr;			//  0x6124
+
+	// Tx Undersize Frame Counter
+	u32 TUnd;			//  0x6128
+
+	// Tx Fragments Frame Counter
+	u32 TFrg;			//  0x612C
+
+	// Carry Register One Register
+	MAC_STAT_REG_1_t Carry1;	//  0x6130
+
+	// Carry Register Two Register
+	MAC_STAT_REG_2_t Carry2;	//  0x6134
+
+	// Carry Register One Mask Register
+	MAC_STAT_REG_1_t Carry1M;	//  0x6138
+
+	// Carry Register Two Mask Register
+	MAC_STAT_REG_2_t Carry2M;	//  0x613C
+} MAC_STAT_t, *PMAC_STAT_t;
+
+/* END OF MAC STAT REGISTER ADDRESS MAP */
+
+
+/* START OF MMC REGISTER ADDRESS MAP */
+
+/*
+ * structure for Main Memory Controller Control reg in mmc address map.
+ * located at address 0x7000
+ */
+typedef union _MMC_CTRL_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:25;		// bits 7-31
+		u32 force_ce:1;		// bit 6
+		u32 rxdma_disable:1;	// bit 5
+		u32 txdma_disable:1;	// bit 4
+		u32 txmac_disable:1;	// bit 3
+		u32 rxmac_disable:1;	// bit 2
+		u32 arb_disable:1;		// bit 1
+		u32 mmc_enable:1;		// bit 0
+#else
+		u32 mmc_enable:1;		// bit 0
+		u32 arb_disable:1;		// bit 1
+		u32 rxmac_disable:1;	// bit 2
+		u32 txmac_disable:1;	// bit 3
+		u32 txdma_disable:1;	// bit 4
+		u32 rxdma_disable:1;	// bit 5
+		u32 force_ce:1;		// bit 6
+		u32 reserved:25;		// bits 7-31
+#endif
+	} bits;
+} MMC_CTRL_t, *PMMC_CTRL_t;
+
+/*
+ * structure for Main Memory Controller Host Memory Access Address reg in mmc
+ * address map.  Located at address 0x7004
+ */
+typedef union _MMC_SRAM_ACCESS_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 byte_enable:16;	// bits 16-31
+		u32 reserved2:2;		// bits 14-15
+		u32 req_addr:10;		// bits 4-13
+		u32 reserved1:1;		// bit 3
+		u32 is_ctrl_word:1;	// bit 2
+		u32 wr_access:1;		// bit 1
+		u32 req_access:1;		// bit 0
+#else
+		u32 req_access:1;		// bit 0
+		u32 wr_access:1;		// bit 1
+		u32 is_ctrl_word:1;	// bit 2
+		u32 reserved1:1;		// bit 3
+		u32 req_addr:10;		// bits 4-13
+		u32 reserved2:2;		// bits 14-15
+		u32 byte_enable:16;	// bits 16-31
+#endif
+	} bits;
+} MMC_SRAM_ACCESS_t, *PMMC_SRAM_ACCESS_t;
+
+/*
+ * structure for Main Memory Controller Host Memory Access Data reg in mmc
+ * address map.  Located at address 0x7008 - 0x7014
+ * Defined earlier (u32)
+ */
+
+/*
+ * Memory Control Module of JAGCore Address Mapping
+ */
+typedef struct _MMC_t {			// Location:
+	MMC_CTRL_t mmc_ctrl;		//  0x7000
+	MMC_SRAM_ACCESS_t sram_access;	//  0x7004
+	u32 sram_word1;		//  0x7008
+	u32 sram_word2;		//  0x700C
+	u32 sram_word3;		//  0x7010
+	u32 sram_word4;		//  0x7014
+} MMC_t, *PMMC_t;
+
+/* END OF MMC REGISTER ADDRESS MAP */
+
+
+/* START OF EXP ROM REGISTER ADDRESS MAP */
+
+/*
+ * Expansion ROM Module of JAGCore Address Mapping
+ */
+
+/* Take this out until it is not empty */
+#if 0
+typedef struct _EXP_ROM_t {
+
+} EXP_ROM_t, *PEXP_ROM_t;
+#endif
+
+/* END OF EXP ROM REGISTER ADDRESS MAP */
+
+
+/*
+ * JAGCore Address Mapping
+ */
+typedef struct _ADDRESS_MAP_t {
+	GLOBAL_t global;
+	// unused section of global address map
+	u8 unused_global[4096 - sizeof(GLOBAL_t)];
+	TXDMA_t txdma;
+	// unused section of txdma address map
+	u8 unused_txdma[4096 - sizeof(TXDMA_t)];
+	RXDMA_t rxdma;
+	// unused section of rxdma address map
+	u8 unused_rxdma[4096 - sizeof(RXDMA_t)];
+	TXMAC_t txmac;
+	// unused section of txmac address map
+	u8 unused_txmac[4096 - sizeof(TXMAC_t)];
+	RXMAC_t rxmac;
+	// unused section of rxmac address map
+	u8 unused_rxmac[4096 - sizeof(RXMAC_t)];
+	MAC_t mac;
+	// unused section of mac address map
+	u8 unused_mac[4096 - sizeof(MAC_t)];
+	MAC_STAT_t macStat;
+	// unused section of mac stat address map
+	u8 unused_mac_stat[4096 - sizeof(MAC_STAT_t)];
+	MMC_t mmc;
+	// unused section of mmc address map
+	u8 unused_mmc[4096 - sizeof(MMC_t)];
+	// unused section of address map
+	u8 unused_[1015808];
+
+/* Take this out until it is not empty */
+#if 0
+	EXP_ROM_t exp_rom;
+#endif
+
+	u8 unused_exp_rom[4096];	// MGS-size TBD
+	u8 unused__[524288];	// unused section of address map
+} ADDRESS_MAP_t, *PADDRESS_MAP_t;
+
+#endif /* _ET1310_ADDRESS_MAP_H_ */
diff --git a/drivers/staging/et131x/et1310_eeprom.c b/drivers/staging/et131x/et1310_eeprom.c
new file mode 100644
index 00000000000..c2b194e6a54
--- /dev/null
+++ b/drivers/staging/et131x/et1310_eeprom.c
@@ -0,0 +1,480 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_eeprom.c - Code used to access the device's EEPROM
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+#include "et1310_eeprom.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+#include "et131x_isr.h"
+
+#include "et1310_tx.h"
+
+
+/*
+ * EEPROM Defines
+ */
+
+/* LBCIF Register Groups (addressed via 32-bit offsets) */
+#define LBCIF_DWORD0_GROUP_OFFSET       0xAC
+#define LBCIF_DWORD1_GROUP_OFFSET       0xB0
+
+/* LBCIF Registers (addressed via 8-bit offsets) */
+#define LBCIF_ADDRESS_REGISTER_OFFSET   0xAC
+#define LBCIF_DATA_REGISTER_OFFSET      0xB0
+#define LBCIF_CONTROL_REGISTER_OFFSET   0xB1
+#define LBCIF_STATUS_REGISTER_OFFSET    0xB2
+
+/* LBCIF Control Register Bits */
+#define LBCIF_CONTROL_SEQUENTIAL_READ   0x01
+#define LBCIF_CONTROL_PAGE_WRITE        0x02
+#define LBCIF_CONTROL_UNUSED1           0x04
+#define LBCIF_CONTROL_EEPROM_RELOAD     0x08
+#define LBCIF_CONTROL_UNUSED2           0x10
+#define LBCIF_CONTROL_TWO_BYTE_ADDR     0x20
+#define LBCIF_CONTROL_I2C_WRITE         0x40
+#define LBCIF_CONTROL_LBCIF_ENABLE      0x80
+
+/* LBCIF Status Register Bits */
+#define LBCIF_STATUS_PHY_QUEUE_AVAIL    0x01
+#define LBCIF_STATUS_I2C_IDLE           0x02
+#define LBCIF_STATUS_ACK_ERROR          0x04
+#define LBCIF_STATUS_GENERAL_ERROR      0x08
+#define LBCIF_STATUS_UNUSED             0x30
+#define LBCIF_STATUS_CHECKSUM_ERROR     0x40
+#define LBCIF_STATUS_EEPROM_PRESENT     0x80
+
+/* Miscellaneous Constraints */
+#define MAX_NUM_REGISTER_POLLS          1000
+#define MAX_NUM_WRITE_RETRIES           2
+
+/*
+ * Define macros that allow individual register values to be extracted from a
+ * DWORD1 register grouping
+ */
+#define EXTRACT_DATA_REGISTER(x)    (uint8_t)(x & 0xFF)
+#define EXTRACT_STATUS_REGISTER(x)  (uint8_t)((x >> 16) & 0xFF)
+#define EXTRACT_CONTROL_REG(x)      (uint8_t)((x >> 8) & 0xFF)
+
+/**
+ * EepromWriteByte - Write a byte to the ET1310's EEPROM
+ * @pAdapter: pointer to our private adapter structure
+ * @unAddress: the address to write
+ * @bData: the value to write
+ * @unEepronId: the ID of the EEPROM
+ * @unAddressingMode: how the EEPROM is to be accessed
+ *
+ * Returns SUCCESS or FAILURE
+ */
+int32_t EepromWriteByte(struct et131x_adapter *pAdapter, uint32_t unAddress,
+			uint8_t bData, uint32_t unEepromId,
+			uint32_t unAddressingMode)
+{
+        struct pci_dev *pdev = pAdapter->pdev;
+	int32_t nIndex;
+	int32_t nRetries;
+	int32_t nError = false;
+	int32_t nI2CWriteActive = 0;
+	int32_t nWriteSuccessful = 0;
+	uint8_t bControl;
+	uint8_t bStatus = 0;
+	uint32_t unDword1 = 0;
+	uint32_t unData = 0;
+
+	/*
+	 * The following excerpt is from "Serial EEPROM HW Design
+	 * Specification" Version 0.92 (9/20/2004):
+	 *
+	 * Single Byte Writes
+	 *
+	 * For an EEPROM, an I2C single byte write is defined as a START
+	 * condition followed by the device address, EEPROM address, one byte
+	 * of data and a STOP condition.  The STOP condition will trigger the
+	 * EEPROM's internally timed write cycle to the nonvolatile memory.
+	 * All inputs are disabled during this write cycle and the EEPROM will
+	 * not respond to any access until the internal write is complete.
+	 * The steps to execute a single byte write are as follows:
+	 *
+	 * 1. Check LBCIF Status Register for bits 6 & 3:2 all equal to 0 and
+	 *    bits 7,1:0 both equal to 1, at least once after reset.
+	 *    Subsequent operations need only to check that bits 1:0 are
+	 *    equal to 1 prior to starting a single byte write.
+	 *
+	 * 2. Write to the LBCIF Control Register:  bit 7=1, bit 6=1, bit 3=0,
+	 *    and bits 1:0 both =0.  Bit 5 should be set according to the
+	 *    type of EEPROM being accessed (1=two byte addressing, 0=one
+	 *    byte addressing).
+	 *
+	 * 3. Write the address to the LBCIF Address Register.
+	 *
+	 * 4. Write the data to the LBCIF Data Register (the I2C write will
+	 *    begin).
+	 *
+	 * 5. Monitor bit 1:0 of the LBCIF Status Register.  When bits 1:0 are
+	 *    both equal to 1, the I2C write has completed and the internal
+	 *    write cycle of the EEPROM is about to start. (bits 1:0 = 01 is
+	 *    a legal state while waiting from both equal to 1, but bits
+	 *    1:0 = 10 is invalid and implies that something is broken).
+	 *
+	 * 6. Check bit 3 of the LBCIF Status Register.  If  equal to 1, an
+	 *    error has occurred.
+	 *
+	 * 7. Check bit 2 of the LBCIF Status Register.  If equal to 1 an ACK
+	 *    error has occurred on the address phase of the write.  This
+	 *    could be due to an actual hardware failure or the EEPROM may
+	 *    still be in its internal write cycle from a previous write.
+	 *    This write operation was ignored and must be repeated later.
+	 *
+	 * 8. Set bit 6 of the LBCIF Control Register = 0. If another write is
+	 *    required, go to step 1.
+	 */
+
+	/* Step 1: */
+	for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) {
+		/* Read registers grouped in DWORD1 */
+		if (pci_read_config_dword(pdev, LBCIF_DWORD1_GROUP_OFFSET,
+					  &unDword1)) {
+			nError = 1;
+			break;
+		}
+
+		bStatus = EXTRACT_STATUS_REGISTER(unDword1);
+
+		if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL &&
+		    bStatus & LBCIF_STATUS_I2C_IDLE) {
+		    	/* bits 1:0 are equal to 1 */
+			break;
+		}
+	}
+
+	if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) {
+		return FAILURE;
+	}
+
+	/* Step 2: */
+	bControl = 0;
+	bControl |= LBCIF_CONTROL_LBCIF_ENABLE | LBCIF_CONTROL_I2C_WRITE;
+
+	if (unAddressingMode == DUAL_BYTE) {
+		bControl |= LBCIF_CONTROL_TWO_BYTE_ADDR;
+	}
+
+	if (pci_write_config_byte(pdev, LBCIF_CONTROL_REGISTER_OFFSET,
+				  bControl)) {
+		return FAILURE;
+	}
+
+	nI2CWriteActive = 1;
+
+	/* Prepare EEPROM address for Step 3 */
+	unAddress |= (unAddressingMode == DUAL_BYTE) ?
+	    (unEepromId << 16) : (unEepromId << 8);
+
+	for (nRetries = 0; nRetries < MAX_NUM_WRITE_RETRIES; nRetries++) {
+		/* Step 3:*/
+		if (pci_write_config_dword(pdev, LBCIF_ADDRESS_REGISTER_OFFSET,
+					   unAddress)) {
+			break;
+		}
+
+		/* Step 4: */
+		if (pci_write_config_byte(pdev, LBCIF_DATA_REGISTER_OFFSET,
+					  bData)) {
+			break;
+		}
+
+		/* Step 5: */
+		for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) {
+			/* Read registers grouped in DWORD1 */
+			if (pci_read_config_dword(pdev,
+						  LBCIF_DWORD1_GROUP_OFFSET,
+						  &unDword1)) {
+				nError = 1;
+				break;
+			}
+
+			bStatus = EXTRACT_STATUS_REGISTER(unDword1);
+
+			if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL &&
+			    bStatus & LBCIF_STATUS_I2C_IDLE) {
+			    	/* I2C write complete */
+				break;
+			}
+		}
+
+		if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) {
+			break;
+		}
+
+		/*
+		 * Step 6: Don't break here if we are revision 1, this is
+		 *	   so we do a blind write for load bug.
+	         */
+		if (bStatus & LBCIF_STATUS_GENERAL_ERROR
+		    && pAdapter->RevisionID == 0) {
+			break;
+		}
+
+		/* Step 7 */
+		if (bStatus & LBCIF_STATUS_ACK_ERROR) {
+			/*
+			 * This could be due to an actual hardware failure
+			 * or the EEPROM may still be in its internal write
+			 * cycle from a previous write. This write operation
+			 * was ignored and must be repeated later.
+			 */
+			udelay(10);
+			continue;
+		}
+
+		nWriteSuccessful = 1;
+		break;
+	}
+
+	/* Step 8: */
+	udelay(10);
+	nIndex = 0;
+	while (nI2CWriteActive) {
+		bControl &= ~LBCIF_CONTROL_I2C_WRITE;
+
+		if (pci_write_config_byte(pdev, LBCIF_CONTROL_REGISTER_OFFSET,
+					  bControl)) {
+			nWriteSuccessful = 0;
+		}
+
+		/* Do read until internal ACK_ERROR goes away meaning write
+		 * completed
+		 */
+		do {
+			pci_write_config_dword(pdev,
+					       LBCIF_ADDRESS_REGISTER_OFFSET,
+					       unAddress);
+			do {
+				pci_read_config_dword(pdev,
+					LBCIF_DATA_REGISTER_OFFSET, &unData);
+			} while ((unData & 0x00010000) == 0);
+		} while (unData & 0x00040000);
+
+		bControl = EXTRACT_CONTROL_REG(unData);
+
+		if (bControl != 0xC0 || nIndex == 10000) {
+			break;
+		}
+
+		nIndex++;
+	}
+
+	return nWriteSuccessful ? SUCCESS : FAILURE;
+}
+
+/**
+ * EepromReadByte - Read a byte from the ET1310's EEPROM
+ * @pAdapter: pointer to our private adapter structure
+ * @unAddress: the address from which to read
+ * @pbData: a pointer to a byte in which to store the value of the read
+ * @unEepronId: the ID of the EEPROM
+ * @unAddressingMode: how the EEPROM is to be accessed
+ *
+ * Returns SUCCESS or FAILURE
+ */
+int32_t EepromReadByte(struct et131x_adapter *pAdapter, uint32_t unAddress,
+		       uint8_t *pbData, uint32_t unEepromId,
+		       uint32_t unAddressingMode)
+{
+        struct pci_dev *pdev = pAdapter->pdev;
+	int32_t nIndex;
+	int32_t nError = 0;
+	uint8_t bControl;
+	uint8_t bStatus = 0;
+	uint32_t unDword1 = 0;
+
+	/*
+	 * The following excerpt is from "Serial EEPROM HW Design
+	 * Specification" Version 0.92 (9/20/2004):
+	 *
+	 * Single Byte Reads
+	 *
+	 * A single byte read is similar to the single byte write, with the
+	 * exception of the data flow:
+	 *
+	 * 1. Check LBCIF Status Register for bits 6 & 3:2 all equal to 0 and
+	 *    bits 7,1:0 both equal to 1, at least once after reset.
+	 *    Subsequent operations need only to check that bits 1:0 are equal
+	 *    to 1 prior to starting a single byte read.
+	 *
+	 * 2. Write to the LBCIF Control Register:  bit 7=1, bit 6=0, bit 3=0,
+	 *    and bits 1:0 both =0.  Bit 5 should be set according to the type
+	 *    of EEPROM being accessed (1=two byte addressing, 0=one byte
+	 *    addressing).
+	 *
+	 * 3. Write the address to the LBCIF Address Register (I2C read will
+	 *    begin).
+	 *
+	 * 4. Monitor bit 0 of the LBCIF Status Register.  When =1, I2C read
+	 *    is complete. (if bit 1 =1 and bit 0 stays =0, a hardware failure
+	 *    has occurred).
+	 *
+	 * 5. Check bit 2 of the LBCIF Status Register.  If =1, then an error
+	 *    has occurred.  The data that has been returned from the PHY may
+	 *    be invalid.
+	 *
+	 * 6. Regardless of error status, read data byte from LBCIF Data
+	 *    Register.  If another byte is required, go to step 1.
+	 */
+
+	/* Step 1: */
+	for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) {
+		/* Read registers grouped in DWORD1 */
+		if (pci_read_config_dword(pdev, LBCIF_DWORD1_GROUP_OFFSET,
+					  &unDword1)) {
+			nError = 1;
+			break;
+		}
+
+		bStatus = EXTRACT_STATUS_REGISTER(unDword1);
+
+		if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL &&
+		    bStatus & LBCIF_STATUS_I2C_IDLE) {
+			/* bits 1:0 are equal to 1 */
+			break;
+		}
+	}
+
+	if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) {
+		return FAILURE;
+	}
+
+	/* Step 2: */
+	bControl = 0;
+	bControl |= LBCIF_CONTROL_LBCIF_ENABLE;
+
+	if (unAddressingMode == DUAL_BYTE) {
+		bControl |= LBCIF_CONTROL_TWO_BYTE_ADDR;
+	}
+
+	if (pci_write_config_byte(pdev, LBCIF_CONTROL_REGISTER_OFFSET,
+				  bControl)) {
+		return FAILURE;
+	}
+
+	/* Step 3: */
+	unAddress |= (unAddressingMode == DUAL_BYTE) ?
+	    (unEepromId << 16) : (unEepromId << 8);
+
+	if (pci_write_config_dword(pdev, LBCIF_ADDRESS_REGISTER_OFFSET,
+				   unAddress)) {
+		return FAILURE;
+	}
+
+	/* Step 4: */
+	for (nIndex = 0; nIndex < MAX_NUM_REGISTER_POLLS; nIndex++) {
+		/* Read registers grouped in DWORD1 */
+		if (pci_read_config_dword(pdev, LBCIF_DWORD1_GROUP_OFFSET,
+					  &unDword1)) {
+			nError = 1;
+			break;
+		}
+
+		bStatus = EXTRACT_STATUS_REGISTER(unDword1);
+
+		if (bStatus & LBCIF_STATUS_PHY_QUEUE_AVAIL
+		    && bStatus & LBCIF_STATUS_I2C_IDLE) {
+			/* I2C read complete */
+			break;
+		}
+	}
+
+	if (nError || (nIndex >= MAX_NUM_REGISTER_POLLS)) {
+		return FAILURE;
+	}
+
+	/* Step 6: */
+	*pbData = EXTRACT_DATA_REGISTER(unDword1);
+
+	return (bStatus & LBCIF_STATUS_ACK_ERROR) ? FAILURE : SUCCESS;
+}
diff --git a/drivers/staging/et131x/et1310_eeprom.h b/drivers/staging/et131x/et1310_eeprom.h
new file mode 100644
index 00000000000..9b6f8ad77b4
--- /dev/null
+++ b/drivers/staging/et131x/et1310_eeprom.h
@@ -0,0 +1,89 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_eeprom.h - Defines, structs, enums, prototypes, etc. used for EEPROM
+ *                   access routines
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET1310_EEPROM_H__
+#define __ET1310_EEPROM_H__
+
+#include "et1310_address_map.h"
+
+#ifndef SUCCESS
+#define SUCCESS		0
+#define FAILURE		1
+#endif
+
+#ifndef READ
+#define READ		0
+#define WRITE		1
+#endif
+
+#ifndef SINGLE_BYTE
+#define SINGLE_BYTE	0
+#define DUAL_BYTE	1
+#endif
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+int32_t EepromWriteByte(struct et131x_adapter *adapter, u32 unAddress,
+			u8 bData, u32 unEepromId,
+			u32 unAddressingMode);
+int32_t EepromReadByte(struct et131x_adapter *adapter, u32 unAddress,
+		       u8 *pbData, u32 unEepromId,
+		       u32 unAddressingMode);
+
+#endif /* _ET1310_EEPROM_H_ */
diff --git a/drivers/staging/et131x/et1310_jagcore.c b/drivers/staging/et131x/et1310_jagcore.c
new file mode 100644
index 00000000000..993b30ea71e
--- /dev/null
+++ b/drivers/staging/et131x/et1310_jagcore.c
@@ -0,0 +1,220 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_jagcore.c - All code pertaining to the ET1301/ET131x's JAGcore
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+/**
+ * ConfigGlobalRegs - Used to configure the global registers on the JAGCore
+ * @pAdpater: pointer to our adapter structure
+ */
+void ConfigGlobalRegs(struct et131x_adapter *pAdapter)
+{
+	struct _GLOBAL_t __iomem *pGbl = &pAdapter->CSRAddress->global;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	if (pAdapter->RegistryPhyLoopbk == false) {
+		if (pAdapter->RegistryJumboPacket < 2048) {
+			/* Tx / RxDMA and Tx/Rx MAC interfaces have a 1k word
+			 * block of RAM that the driver can split between Tx
+			 * and Rx as it desires.  Our default is to split it
+			 * 50/50:
+			 */
+			writel(0, &pGbl->rxq_start_addr.value);
+			writel(pAdapter->RegistryRxMemEnd,
+			       &pGbl->rxq_end_addr.value);
+			writel(pAdapter->RegistryRxMemEnd + 1,
+			       &pGbl->txq_start_addr.value);
+			writel(INTERNAL_MEM_SIZE - 1,
+			       &pGbl->txq_end_addr.value);
+		} else if (pAdapter->RegistryJumboPacket < 8192) {
+			/* For jumbo packets > 2k but < 8k, split 50-50. */
+			writel(0, &pGbl->rxq_start_addr.value);
+			writel(INTERNAL_MEM_RX_OFFSET,
+			       &pGbl->rxq_end_addr.value);
+			writel(INTERNAL_MEM_RX_OFFSET + 1,
+			       &pGbl->txq_start_addr.value);
+			writel(INTERNAL_MEM_SIZE - 1,
+			       &pGbl->txq_end_addr.value);
+		} else {
+			/* 9216 is the only packet size greater than 8k that
+			 * is available. The Tx buffer has to be big enough
+			 * for one whole packet on the Tx side. We'll make
+			 * the Tx 9408, and give the rest to Rx
+			 */
+			writel(0x0000, &pGbl->rxq_start_addr.value);
+			writel(0x01b3, &pGbl->rxq_end_addr.value);
+			writel(0x01b4, &pGbl->txq_start_addr.value);
+			writel(INTERNAL_MEM_SIZE - 1,
+			       &pGbl->txq_end_addr.value);
+		}
+
+		/* Initialize the loopback register. Disable all loopbacks. */
+		writel(0, &pGbl->loopback.value);
+	} else {
+		/* For PHY Line loopback, the memory is configured as if Tx
+		 * and Rx both have all the memory.  This is because the
+		 * RxMAC will write data into the space, and the TxMAC will
+		 * read it out.
+		 */
+		writel(0, &pGbl->rxq_start_addr.value);
+		writel(INTERNAL_MEM_SIZE - 1, &pGbl->rxq_end_addr.value);
+		writel(0, &pGbl->txq_start_addr.value);
+		writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr.value);
+
+		/* Initialize the loopback register (MAC loopback). */
+		writel(1, &pGbl->loopback.value);
+	}
+
+	/* MSI Register */
+	writel(0, &pGbl->msi_config.value);
+
+	/* By default, disable the watchdog timer.  It will be enabled when
+	 * a packet is queued.
+	 */
+	writel(0, &pGbl->watchdog_timer);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * ConfigMMCRegs - Used to configure the main memory registers in the JAGCore
+ * @pAdapter: pointer to our adapter structure
+ */
+void ConfigMMCRegs(struct et131x_adapter *pAdapter)
+{
+	MMC_CTRL_t mmc_ctrl = { 0 };
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* All we need to do is initialize the Memory Control Register */
+	mmc_ctrl.bits.force_ce = 0x0;
+	mmc_ctrl.bits.rxdma_disable = 0x0;
+	mmc_ctrl.bits.txdma_disable = 0x0;
+	mmc_ctrl.bits.txmac_disable = 0x0;
+	mmc_ctrl.bits.rxmac_disable = 0x0;
+	mmc_ctrl.bits.arb_disable = 0x0;
+	mmc_ctrl.bits.mmc_enable = 0x1;
+
+	writel(mmc_ctrl.value, &pAdapter->CSRAddress->mmc.mmc_ctrl.value);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+void et131x_enable_interrupts(struct et131x_adapter *adapter)
+{
+	uint32_t MaskValue;
+
+	/* Enable all global interrupts */
+	if ((adapter->FlowControl == TxOnly) || (adapter->FlowControl == Both)) {
+		MaskValue = INT_MASK_ENABLE;
+	} else {
+		MaskValue = INT_MASK_ENABLE_NO_FLOW;
+	}
+
+	if (adapter->DriverNoPhyAccess) {
+		MaskValue |= 0x10000;
+	}
+
+	adapter->CachedMaskValue.value = MaskValue;
+	writel(MaskValue, &adapter->CSRAddress->global.int_mask.value);
+}
+
+void et131x_disable_interrupts(struct et131x_adapter * adapter)
+{
+	/* Disable all global interrupts */
+	adapter->CachedMaskValue.value = INT_MASK_DISABLE;
+	writel(INT_MASK_DISABLE, &adapter->CSRAddress->global.int_mask.value);
+}
diff --git a/drivers/staging/et131x/et1310_jagcore.h b/drivers/staging/et131x/et1310_jagcore.h
new file mode 100644
index 00000000000..9fc829336df
--- /dev/null
+++ b/drivers/staging/et131x/et1310_jagcore.h
@@ -0,0 +1,112 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_jagcore.h - Defines, structs, enums, prototypes, etc. pertaining to
+ *                    the JAGCore
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET1310_JAGCORE_H__
+#define __ET1310_JAGCORE_H__
+
+#include "et1310_address_map.h"
+
+
+#define INTERNAL_MEM_SIZE       0x400	//1024 of internal memory
+#define INTERNAL_MEM_RX_OFFSET  0x1FF	//50%   Tx, 50%   Rx
+
+#define REGS_MAX_ARRAY          4096
+
+/*
+ * For interrupts, normal running is:
+ *       rxdma_xfr_done, phy_interrupt, mac_stat_interrupt,
+ *       watchdog_interrupt & txdma_xfer_done
+ *
+ * In both cases, when flow control is enabled for either Tx or bi-direction,
+ * we additional enable rx_fbr0_low and rx_fbr1_low, so we know when the
+ * buffer rings are running low.
+ */
+#define INT_MASK_DISABLE            0xffffffff
+
+// NOTE: Masking out MAC_STAT Interrupt for now...
+//#define INT_MASK_ENABLE             0xfff6bf17
+//#define INT_MASK_ENABLE_NO_FLOW     0xfff6bfd7
+#define INT_MASK_ENABLE             0xfffebf17
+#define INT_MASK_ENABLE_NO_FLOW     0xfffebfd7
+
+/* DATA STRUCTURES FOR DIRECT REGISTER ACCESS */
+
+typedef struct {
+	u8 bReadWrite;
+	u32 nRegCount;
+	u32 nData[REGS_MAX_ARRAY];
+	u32 nOffsets[REGS_MAX_ARRAY];
+} JAGCORE_ACCESS_REGS, *PJAGCORE_ACCESS_REGS;
+
+typedef struct {
+	u8 bReadWrite;
+	u32 nDataWidth;
+	u32 nRegCount;
+	u32 nOffsets[REGS_MAX_ARRAY];
+	u32 nData[REGS_MAX_ARRAY];
+} PCI_CFG_SPACE_REGS, *PPCI_CFG_SPACE_REGS;
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+void ConfigGlobalRegs(struct et131x_adapter *pAdapter);
+void ConfigMMCRegs(struct et131x_adapter *pAdapter);
+void et131x_enable_interrupts(struct et131x_adapter *adapter);
+void et131x_disable_interrupts(struct et131x_adapter *adapter);
+
+#endif /* __ET1310_JAGCORE_H__ */
diff --git a/drivers/staging/et131x/et1310_mac.c b/drivers/staging/et131x/et1310_mac.c
new file mode 100644
index 00000000000..1924968ab24
--- /dev/null
+++ b/drivers/staging/et131x/et1310_mac.c
@@ -0,0 +1,792 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_mac.c - All code and routines pertaining to the MAC
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+#include <linux/crc32.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+#include "et1310_mac.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+/**
+ * ConfigMacRegs1 - Initialize the first part of MAC regs
+ * @pAdpater: pointer to our adapter structure
+ */
+void ConfigMACRegs1(struct et131x_adapter *pAdapter)
+{
+	struct _MAC_t __iomem *pMac = &pAdapter->CSRAddress->mac;
+	MAC_STATION_ADDR1_t station1;
+	MAC_STATION_ADDR2_t station2;
+	MAC_IPG_t ipg;
+	MAC_HFDP_t hfdp;
+	MII_MGMT_CFG_t mii_mgmt_cfg;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* First we need to reset everything.  Write to MAC configuration
+	 * register 1 to perform reset.
+	 */
+	writel(0xC00F0000, &pMac->cfg1.value);
+
+	/* Next lets configure the MAC Inter-packet gap register */
+	ipg.bits.non_B2B_ipg_1 = 0x38;		// 58d
+	ipg.bits.non_B2B_ipg_2 = 0x58;		// 88d
+	ipg.bits.min_ifg_enforce = 0x50;	// 80d
+	ipg.bits.B2B_ipg = 0x60;		// 96d
+	writel(ipg.value, &pMac->ipg.value);
+
+	/* Next lets configure the MAC Half Duplex register */
+	hfdp.bits.alt_beb_trunc = 0xA;
+	hfdp.bits.alt_beb_enable = 0x0;
+	hfdp.bits.bp_no_backoff = 0x0;
+	hfdp.bits.no_backoff = 0x0;
+	hfdp.bits.excess_defer = 0x1;
+	hfdp.bits.rexmit_max = 0xF;
+	hfdp.bits.coll_window = 0x37;		// 55d
+	writel(hfdp.value, &pMac->hfdp.value);
+
+	/* Next lets configure the MAC Interface Control register */
+	writel(0, &pMac->if_ctrl.value);
+
+	/* Let's move on to setting up the mii managment configuration */
+	mii_mgmt_cfg.bits.reset_mii_mgmt = 0;
+	mii_mgmt_cfg.bits.scan_auto_incremt = 0;
+	mii_mgmt_cfg.bits.preamble_suppress = 0;
+	mii_mgmt_cfg.bits.mgmt_clk_reset = 0x7;
+	writel(mii_mgmt_cfg.value, &pMac->mii_mgmt_cfg.value);
+
+	/* Next lets configure the MAC Station Address register.  These
+	 * values are read from the EEPROM during initialization and stored
+	 * in the adapter structure.  We write what is stored in the adapter
+	 * structure to the MAC Station Address registers high and low.  This
+	 * station address is used for generating and checking pause control
+	 * packets.
+	 */
+	station2.bits.Octet1 = pAdapter->CurrentAddress[0];
+	station2.bits.Octet2 = pAdapter->CurrentAddress[1];
+	station1.bits.Octet3 = pAdapter->CurrentAddress[2];
+	station1.bits.Octet4 = pAdapter->CurrentAddress[3];
+	station1.bits.Octet5 = pAdapter->CurrentAddress[4];
+	station1.bits.Octet6 = pAdapter->CurrentAddress[5];
+	writel(station1.value, &pMac->station_addr_1.value);
+	writel(station2.value, &pMac->station_addr_2.value);
+
+	/* Max ethernet packet in bytes that will passed by the mac without
+	 * being truncated.  Allow the MAC to pass 4 more than our max packet
+	 * size.  This is 4 for the Ethernet CRC.
+	 *
+	 * Packets larger than (RegistryJumboPacket) that do not contain a
+	 * VLAN ID will be dropped by the Rx function.
+	 */
+	writel(pAdapter->RegistryJumboPacket + 4, &pMac->max_fm_len.value);
+
+	/* clear out MAC config reset */
+	writel(0, &pMac->cfg1.value);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * ConfigMacRegs2 - Initialize the second part of MAC regs
+ * @pAdpater: pointer to our adapter structure
+ */
+void ConfigMACRegs2(struct et131x_adapter *pAdapter)
+{
+	int32_t delay = 0;
+	struct _MAC_t __iomem *pMac = &pAdapter->CSRAddress->mac;
+	MAC_CFG1_t cfg1;
+	MAC_CFG2_t cfg2;
+	MAC_IF_CTRL_t ifctrl;
+	TXMAC_CTL_t ctl;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	ctl.value = readl(&pAdapter->CSRAddress->txmac.ctl.value);
+	cfg1.value = readl(&pMac->cfg1.value);
+	cfg2.value = readl(&pMac->cfg2.value);
+	ifctrl.value = readl(&pMac->if_ctrl.value);
+
+	if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) {
+		cfg2.bits.if_mode = 0x2;
+		ifctrl.bits.phy_mode = 0x0;
+	} else {
+		cfg2.bits.if_mode = 0x1;
+		ifctrl.bits.phy_mode = 0x1;
+	}
+
+	/* We need to enable Rx/Tx */
+	cfg1.bits.rx_enable = 0x1;
+	cfg1.bits.tx_enable = 0x1;
+
+	/* Set up flow control */
+	cfg1.bits.tx_flow = 0x1;
+
+	if ((pAdapter->FlowControl == RxOnly) ||
+	    (pAdapter->FlowControl == Both)) {
+		cfg1.bits.rx_flow = 0x1;
+	} else {
+		cfg1.bits.rx_flow = 0x0;
+	}
+
+	/* Initialize loop back to off */
+	cfg1.bits.loop_back = 0;
+
+	writel(cfg1.value, &pMac->cfg1.value);
+
+	/* Now we need to initialize the MAC Configuration 2 register */
+	cfg2.bits.preamble_len = 0x7;
+	cfg2.bits.huge_frame = 0x0;
+	/* LENGTH FIELD CHECKING bit4: Set this bit to cause the MAC to check
+	 * the frame's length field to ensure it matches the actual data
+	 * field length. Clear this bit if no length field checking is
+	 * desired. Its default is 0.
+	 */
+	cfg2.bits.len_check = 0x1;
+
+	if (pAdapter->RegistryPhyLoopbk == false) {
+		cfg2.bits.pad_crc = 0x1;
+		cfg2.bits.crc_enable = 0x1;
+	} else {
+		cfg2.bits.pad_crc = 0;
+		cfg2.bits.crc_enable = 0;
+	}
+
+	/* 1 - full duplex, 0 - half-duplex */
+	cfg2.bits.full_duplex = pAdapter->uiDuplexMode;
+	ifctrl.bits.ghd_mode = !pAdapter->uiDuplexMode;
+
+	writel(ifctrl.value, &pMac->if_ctrl.value);
+	writel(cfg2.value, &pMac->cfg2.value);
+
+	do {
+		udelay(10);
+		delay++;
+		cfg1.value = readl(&pMac->cfg1.value);
+	} while ((!cfg1.bits.syncd_rx_en ||
+		  !cfg1.bits.syncd_tx_en) &&
+		 delay < 100);
+
+	if (delay == 100) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Syncd bits did not respond correctly cfg1 word 0x%08x\n",
+			  cfg1.value);
+	}
+
+	DBG_TRACE(et131x_dbginfo,
+		  "Speed %d, Dup %d, CFG1 0x%08x, CFG2 0x%08x, if_ctrl 0x%08x\n",
+		  pAdapter->uiLinkSpeed, pAdapter->uiDuplexMode,
+		  readl(&pMac->cfg1.value), readl(&pMac->cfg2.value),
+		  readl(&pMac->if_ctrl.value));
+
+	/* Enable TXMAC */
+	ctl.bits.txmac_en = 0x1;
+	ctl.bits.fc_disable = 0x1;
+	writel(ctl.value, &pAdapter->CSRAddress->txmac.ctl.value);
+
+	/* Ready to start the RXDMA/TXDMA engine */
+	if (!MP_TEST_FLAG(pAdapter, fMP_ADAPTER_LOWER_POWER)) {
+		et131x_rx_dma_enable(pAdapter);
+		et131x_tx_dma_enable(pAdapter);
+	} else {
+		DBG_WARNING(et131x_dbginfo,
+			    "Didn't enable Rx/Tx due to low-power mode\n");
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+void ConfigRxMacRegs(struct et131x_adapter *pAdapter)
+{
+	struct _RXMAC_t __iomem *pRxMac = &pAdapter->CSRAddress->rxmac;
+	RXMAC_WOL_SA_LO_t sa_lo;
+	RXMAC_WOL_SA_HI_t sa_hi;
+	RXMAC_PF_CTRL_t pf_ctrl = { 0 };
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Disable the MAC while it is being configured (also disable WOL) */
+	writel(0x8, &pRxMac->ctrl.value);
+
+	/* Initialize WOL to disabled. */
+	writel(0, &pRxMac->crc0.value);
+	writel(0, &pRxMac->crc12.value);
+	writel(0, &pRxMac->crc34.value);
+
+	/* We need to set the WOL mask0 - mask4 next.  We initialize it to
+	 * its default Values of 0x00000000 because there are not WOL masks
+	 * as of this time.
+	 */
+	writel(0, &pRxMac->mask0_word0);
+	writel(0, &pRxMac->mask0_word1);
+	writel(0, &pRxMac->mask0_word2);
+	writel(0, &pRxMac->mask0_word3);
+
+	writel(0, &pRxMac->mask1_word0);
+	writel(0, &pRxMac->mask1_word1);
+	writel(0, &pRxMac->mask1_word2);
+	writel(0, &pRxMac->mask1_word3);
+
+	writel(0, &pRxMac->mask2_word0);
+	writel(0, &pRxMac->mask2_word1);
+	writel(0, &pRxMac->mask2_word2);
+	writel(0, &pRxMac->mask2_word3);
+
+	writel(0, &pRxMac->mask3_word0);
+	writel(0, &pRxMac->mask3_word1);
+	writel(0, &pRxMac->mask3_word2);
+	writel(0, &pRxMac->mask3_word3);
+
+	writel(0, &pRxMac->mask4_word0);
+	writel(0, &pRxMac->mask4_word1);
+	writel(0, &pRxMac->mask4_word2);
+	writel(0, &pRxMac->mask4_word3);
+
+	/* Lets setup the WOL Source Address */
+	sa_lo.bits.sa3 = pAdapter->CurrentAddress[2];
+	sa_lo.bits.sa4 = pAdapter->CurrentAddress[3];
+	sa_lo.bits.sa5 = pAdapter->CurrentAddress[4];
+	sa_lo.bits.sa6 = pAdapter->CurrentAddress[5];
+	writel(sa_lo.value, &pRxMac->sa_lo.value);
+
+	sa_hi.bits.sa1 = pAdapter->CurrentAddress[0];
+	sa_hi.bits.sa2 = pAdapter->CurrentAddress[1];
+	writel(sa_hi.value, &pRxMac->sa_hi.value);
+
+	/* Disable all Packet Filtering */
+	writel(0, &pRxMac->pf_ctrl.value);
+
+	/* Let's initialize the Unicast Packet filtering address */
+	if (pAdapter->PacketFilter & ET131X_PACKET_TYPE_DIRECTED) {
+		SetupDeviceForUnicast(pAdapter);
+		pf_ctrl.bits.filter_uni_en = 1;
+	} else {
+		writel(0, &pRxMac->uni_pf_addr1.value);
+		writel(0, &pRxMac->uni_pf_addr2.value);
+		writel(0, &pRxMac->uni_pf_addr3.value);
+	}
+
+	/* Let's initialize the Multicast hash */
+	if (pAdapter->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST) {
+		pf_ctrl.bits.filter_multi_en = 0;
+	} else {
+		pf_ctrl.bits.filter_multi_en = 1;
+		SetupDeviceForMulticast(pAdapter);
+	}
+
+	/* Runt packet filtering.  Didn't work in version A silicon. */
+	pf_ctrl.bits.min_pkt_size = NIC_MIN_PACKET_SIZE + 4;
+	pf_ctrl.bits.filter_frag_en = 1;
+
+	if (pAdapter->RegistryJumboPacket > 8192) {
+		RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg;
+
+		/* In order to transmit jumbo packets greater than 8k, the
+		 * FIFO between RxMAC and RxDMA needs to be reduced in size
+		 * to (16k - Jumbo packet size).  In order to implement this,
+		 * we must use "cut through" mode in the RxMAC, which chops
+		 * packets down into segments which are (max_size * 16).  In
+		 * this case we selected 256 bytes, since this is the size of
+		 * the PCI-Express TLP's that the 1310 uses.
+		 */
+		mcif_ctrl_max_seg.bits.seg_en = 0x1;
+		mcif_ctrl_max_seg.bits.fc_en = 0x0;
+		mcif_ctrl_max_seg.bits.max_size = 0x10;
+
+		writel(mcif_ctrl_max_seg.value,
+		       &pRxMac->mcif_ctrl_max_seg.value);
+	} else {
+		writel(0, &pRxMac->mcif_ctrl_max_seg.value);
+	}
+
+	/* Initialize the MCIF water marks */
+	writel(0, &pRxMac->mcif_water_mark.value);
+
+	/*  Initialize the MIF control */
+	writel(0, &pRxMac->mif_ctrl.value);
+
+	/* Initialize the Space Available Register */
+	writel(0, &pRxMac->space_avail.value);
+
+	/* Initialize the the mif_ctrl register
+	 * bit 3:  Receive code error. One or more nibbles were signaled as
+	 *	   errors  during the reception of the packet.  Clear this
+	 *	   bit in Gigabit, set it in 100Mbit.  This was derived
+	 *	   experimentally at UNH.
+	 * bit 4:  Receive CRC error. The packet's CRC did not match the
+	 *	   internally generated CRC.
+	 * bit 5:  Receive length check error. Indicates that frame length
+	 *	   field value in the packet does not match the actual data
+	 *	   byte length and is not a type field.
+	 * bit 16: Receive frame truncated.
+	 * bit 17: Drop packet enable
+	 */
+	if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_100MBPS) {
+		writel(0x30038, &pRxMac->mif_ctrl.value);
+	} else {
+		writel(0x30030, &pRxMac->mif_ctrl.value);
+	}
+
+	/* Finally we initialize RxMac to be enabled & WOL disabled.  Packet
+	 * filter is always enabled since it is where the runt packets are
+	 * supposed to be dropped.  For version A silicon, runt packet
+	 * dropping doesn't work, so it is disabled in the pf_ctrl register,
+	 * but we still leave the packet filter on.
+	 */
+	writel(pf_ctrl.value, &pRxMac->pf_ctrl.value);
+	writel(0x9, &pRxMac->ctrl.value);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+void ConfigTxMacRegs(struct et131x_adapter *pAdapter)
+{
+	struct _TXMAC_t __iomem *pTxMac = &pAdapter->CSRAddress->txmac;
+	TXMAC_CF_PARAM_t Local;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* We need to update the Control Frame Parameters
+	 * cfpt - control frame pause timer set to 64 (0x40)
+	 * cfep - control frame extended pause timer set to 0x0
+	 */
+	if (pAdapter->FlowControl == None) {
+		writel(0, &pTxMac->cf_param.value);
+	} else {
+		Local.bits.cfpt = 0x40;
+		Local.bits.cfep = 0x0;
+		writel(Local.value, &pTxMac->cf_param.value);
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+void ConfigMacStatRegs(struct et131x_adapter *pAdapter)
+{
+	struct _MAC_STAT_t __iomem *pDevMacStat =
+		&pAdapter->CSRAddress->macStat;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Next we need to initialize all the MAC_STAT registers to zero on
+	 * the device.
+	 */
+	writel(0, &pDevMacStat->RFcs);
+	writel(0, &pDevMacStat->RAln);
+	writel(0, &pDevMacStat->RFlr);
+	writel(0, &pDevMacStat->RDrp);
+	writel(0, &pDevMacStat->RCde);
+	writel(0, &pDevMacStat->ROvr);
+	writel(0, &pDevMacStat->RFrg);
+
+	writel(0, &pDevMacStat->TScl);
+	writel(0, &pDevMacStat->TDfr);
+	writel(0, &pDevMacStat->TMcl);
+	writel(0, &pDevMacStat->TLcl);
+	writel(0, &pDevMacStat->TNcl);
+	writel(0, &pDevMacStat->TOvr);
+	writel(0, &pDevMacStat->TUnd);
+
+	/* Unmask any counters that we want to track the overflow of.
+	 * Initially this will be all counters.  It may become clear later
+	 * that we do not need to track all counters.
+	 */
+	{
+		MAC_STAT_REG_1_t Carry1M = { 0xffffffff };
+
+		Carry1M.bits.rdrp = 0;
+		Carry1M.bits.rjbr = 1;
+		Carry1M.bits.rfrg = 0;
+		Carry1M.bits.rovr = 0;
+		Carry1M.bits.rund = 1;
+		Carry1M.bits.rcse = 1;
+		Carry1M.bits.rcde = 0;
+		Carry1M.bits.rflr = 0;
+		Carry1M.bits.raln = 0;
+		Carry1M.bits.rxuo = 1;
+		Carry1M.bits.rxpf = 1;
+		Carry1M.bits.rxcf = 1;
+		Carry1M.bits.rbca = 1;
+		Carry1M.bits.rmca = 1;
+		Carry1M.bits.rfcs = 0;
+		Carry1M.bits.rpkt = 1;
+		Carry1M.bits.rbyt = 1;
+		Carry1M.bits.trmgv = 1;
+		Carry1M.bits.trmax = 1;
+		Carry1M.bits.tr1k = 1;
+		Carry1M.bits.tr511 = 1;
+		Carry1M.bits.tr255 = 1;
+		Carry1M.bits.tr127 = 1;
+		Carry1M.bits.tr64 = 1;
+
+		writel(Carry1M.value, &pDevMacStat->Carry1M.value);
+	}
+
+	{
+		MAC_STAT_REG_2_t Carry2M = { 0xffffffff };
+
+		Carry2M.bits.tdrp = 1;
+		Carry2M.bits.tpfh = 1;
+		Carry2M.bits.tncl = 0;
+		Carry2M.bits.txcl = 1;
+		Carry2M.bits.tlcl = 0;
+		Carry2M.bits.tmcl = 0;
+		Carry2M.bits.tscl = 0;
+		Carry2M.bits.tedf = 1;
+		Carry2M.bits.tdfr = 0;
+		Carry2M.bits.txpf = 1;
+		Carry2M.bits.tbca = 1;
+		Carry2M.bits.tmca = 1;
+		Carry2M.bits.tpkt = 1;
+		Carry2M.bits.tbyt = 1;
+		Carry2M.bits.tfrg = 1;
+		Carry2M.bits.tund = 0;
+		Carry2M.bits.tovr = 0;
+		Carry2M.bits.txcf = 1;
+		Carry2M.bits.tfcs = 1;
+		Carry2M.bits.tjbr = 1;
+
+		writel(Carry2M.value, &pDevMacStat->Carry2M.value);
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+void ConfigFlowControl(struct et131x_adapter * pAdapter)
+{
+	if (pAdapter->uiDuplexMode == 0) {
+		pAdapter->FlowControl = None;
+	} else {
+		char RemotePause, RemoteAsyncPause;
+
+		ET1310_PhyAccessMiBit(pAdapter,
+				      TRUEPHY_BIT_READ, 5, 10, &RemotePause);
+		ET1310_PhyAccessMiBit(pAdapter,
+				      TRUEPHY_BIT_READ, 5, 11,
+				      &RemoteAsyncPause);
+
+		if ((RemotePause == TRUEPHY_BIT_SET) &&
+		    (RemoteAsyncPause == TRUEPHY_BIT_SET)) {
+			pAdapter->FlowControl = pAdapter->RegistryFlowControl;
+		} else if ((RemotePause == TRUEPHY_BIT_SET) &&
+			   (RemoteAsyncPause == TRUEPHY_BIT_CLEAR)) {
+			if (pAdapter->RegistryFlowControl == Both) {
+				pAdapter->FlowControl = Both;
+			} else {
+				pAdapter->FlowControl = None;
+			}
+		} else if ((RemotePause == TRUEPHY_BIT_CLEAR) &&
+			   (RemoteAsyncPause == TRUEPHY_BIT_CLEAR)) {
+			pAdapter->FlowControl = None;
+		} else {/* if (RemotePause == TRUEPHY_CLEAR_BIT &&
+			       RemoteAsyncPause == TRUEPHY_SET_BIT) */
+			if (pAdapter->RegistryFlowControl == Both) {
+				pAdapter->FlowControl = RxOnly;
+			} else {
+				pAdapter->FlowControl = None;
+			}
+		}
+	}
+}
+
+/**
+ * UpdateMacStatHostCounters - Update the local copy of the statistics
+ * @pAdapter: pointer to the adapter structure
+ */
+void UpdateMacStatHostCounters(struct et131x_adapter *pAdapter)
+{
+	struct _ce_stats_t *stats = &pAdapter->Stats;
+	struct _MAC_STAT_t __iomem *pDevMacStat =
+		&pAdapter->CSRAddress->macStat;
+
+	stats->collisions += readl(&pDevMacStat->TNcl);
+	stats->first_collision += readl(&pDevMacStat->TScl);
+	stats->tx_deferred += readl(&pDevMacStat->TDfr);
+	stats->excessive_collisions += readl(&pDevMacStat->TMcl);
+	stats->late_collisions += readl(&pDevMacStat->TLcl);
+	stats->tx_uflo += readl(&pDevMacStat->TUnd);
+	stats->max_pkt_error += readl(&pDevMacStat->TOvr);
+
+	stats->alignment_err += readl(&pDevMacStat->RAln);
+	stats->crc_err += readl(&pDevMacStat->RCde);
+	stats->norcvbuf += readl(&pDevMacStat->RDrp);
+	stats->rx_ov_flow += readl(&pDevMacStat->ROvr);
+	stats->code_violations += readl(&pDevMacStat->RFcs);
+	stats->length_err += readl(&pDevMacStat->RFlr);
+
+	stats->other_errors += readl(&pDevMacStat->RFrg);
+}
+
+/**
+ * HandleMacStatInterrupt
+ * @pAdapter: pointer to the adapter structure
+ *
+ * One of the MACSTAT counters has wrapped.  Update the local copy of
+ * the statistics held in the adapter structure, checking the "wrap"
+ * bit for each counter.
+ */
+void HandleMacStatInterrupt(struct et131x_adapter *pAdapter)
+{
+	MAC_STAT_REG_1_t Carry1;
+	MAC_STAT_REG_2_t Carry2;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Read the interrupt bits from the register(s).  These are Clear On
+	 * Write.
+	 */
+	Carry1.value = readl(&pAdapter->CSRAddress->macStat.Carry1.value);
+	Carry2.value = readl(&pAdapter->CSRAddress->macStat.Carry2.value);
+
+	writel(Carry1.value, &pAdapter->CSRAddress->macStat.Carry1.value);
+	writel(Carry2.value, &pAdapter->CSRAddress->macStat.Carry2.value);
+
+	/* We need to do update the host copy of all the MAC_STAT counters.
+	 * For each counter, check it's overflow bit.  If the overflow bit is
+	 * set, then increment the host version of the count by one complete
+	 * revolution of the counter.  This routine is called when the counter
+	 * block indicates that one of the counters has wrapped.
+	 */
+	if (Carry1.bits.rfcs) {
+		pAdapter->Stats.code_violations += COUNTER_WRAP_16_BIT;
+	}
+	if (Carry1.bits.raln) {
+		pAdapter->Stats.alignment_err += COUNTER_WRAP_12_BIT;
+	}
+	if (Carry1.bits.rflr) {
+		pAdapter->Stats.length_err += COUNTER_WRAP_16_BIT;
+	}
+	if (Carry1.bits.rfrg) {
+		pAdapter->Stats.other_errors += COUNTER_WRAP_16_BIT;
+	}
+	if (Carry1.bits.rcde) {
+		pAdapter->Stats.crc_err += COUNTER_WRAP_16_BIT;
+	}
+	if (Carry1.bits.rovr) {
+		pAdapter->Stats.rx_ov_flow += COUNTER_WRAP_16_BIT;
+	}
+	if (Carry1.bits.rdrp) {
+		pAdapter->Stats.norcvbuf += COUNTER_WRAP_16_BIT;
+	}
+	if (Carry2.bits.tovr) {
+		pAdapter->Stats.max_pkt_error += COUNTER_WRAP_12_BIT;
+	}
+	if (Carry2.bits.tund) {
+		pAdapter->Stats.tx_uflo += COUNTER_WRAP_12_BIT;
+	}
+	if (Carry2.bits.tscl) {
+		pAdapter->Stats.first_collision += COUNTER_WRAP_12_BIT;
+	}
+	if (Carry2.bits.tdfr) {
+		pAdapter->Stats.tx_deferred += COUNTER_WRAP_12_BIT;
+	}
+	if (Carry2.bits.tmcl) {
+		pAdapter->Stats.excessive_collisions += COUNTER_WRAP_12_BIT;
+	}
+	if (Carry2.bits.tlcl) {
+		pAdapter->Stats.late_collisions += COUNTER_WRAP_12_BIT;
+	}
+	if (Carry2.bits.tncl) {
+		pAdapter->Stats.collisions += COUNTER_WRAP_12_BIT;
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+void SetupDeviceForMulticast(struct et131x_adapter *pAdapter)
+{
+	struct _RXMAC_t __iomem *rxmac = &pAdapter->CSRAddress->rxmac;
+	uint32_t nIndex;
+	uint32_t result;
+	uint32_t hash1 = 0;
+	uint32_t hash2 = 0;
+	uint32_t hash3 = 0;
+	uint32_t hash4 = 0;
+	PM_CSR_t pm_csr;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* If ET131X_PACKET_TYPE_MULTICAST is specified, then we provision
+	 * the multi-cast LIST.  If it is NOT specified, (and "ALL" is not
+	 * specified) then we should pass NO multi-cast addresses to the
+	 * driver.
+	 */
+	if (pAdapter->PacketFilter & ET131X_PACKET_TYPE_MULTICAST) {
+		DBG_VERBOSE(et131x_dbginfo,
+			    "MULTICAST flag is set, MCCount: %d\n",
+			    pAdapter->MCAddressCount);
+
+		/* Loop through our multicast array and set up the device */
+		for (nIndex = 0; nIndex < pAdapter->MCAddressCount; nIndex++) {
+			DBG_VERBOSE(et131x_dbginfo,
+				    "MCList[%d]: %02x:%02x:%02x:%02x:%02x:%02x\n",
+				    nIndex,
+				    pAdapter->MCList[nIndex][0],
+				    pAdapter->MCList[nIndex][1],
+				    pAdapter->MCList[nIndex][2],
+				    pAdapter->MCList[nIndex][3],
+				    pAdapter->MCList[nIndex][4],
+				    pAdapter->MCList[nIndex][5]);
+
+			result = ether_crc(6, pAdapter->MCList[nIndex]);
+
+			result = (result & 0x3F800000) >> 23;
+
+			if (result < 32) {
+				hash1 |= (1 << result);
+			} else if ((31 < result) && (result < 64)) {
+				result -= 32;
+				hash2 |= (1 << result);
+			} else if ((63 < result) && (result < 96)) {
+				result -= 64;
+				hash3 |= (1 << result);
+			} else {
+				result -= 96;
+				hash4 |= (1 << result);
+			}
+		}
+	}
+
+	/* Write out the new hash to the device */
+	pm_csr.value = readl(&pAdapter->CSRAddress->global.pm_csr.value);
+	if (pm_csr.bits.pm_phy_sw_coma == 0) {
+		writel(hash1, &rxmac->multi_hash1);
+		writel(hash2, &rxmac->multi_hash2);
+		writel(hash3, &rxmac->multi_hash3);
+		writel(hash4, &rxmac->multi_hash4);
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+void SetupDeviceForUnicast(struct et131x_adapter *pAdapter)
+{
+	struct _RXMAC_t __iomem *rxmac = &pAdapter->CSRAddress->rxmac;
+	RXMAC_UNI_PF_ADDR1_t uni_pf1;
+	RXMAC_UNI_PF_ADDR2_t uni_pf2;
+	RXMAC_UNI_PF_ADDR3_t uni_pf3;
+	PM_CSR_t pm_csr;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Set up unicast packet filter reg 3 to be the first two octets of
+	 * the MAC address for both address
+	 *
+	 * Set up unicast packet filter reg 2 to be the octets 2 - 5 of the
+	 * MAC address for second address
+	 *
+	 * Set up unicast packet filter reg 3 to be the octets 2 - 5 of the
+	 * MAC address for first address
+	 */
+	uni_pf3.bits.addr1_1 = pAdapter->CurrentAddress[0];
+	uni_pf3.bits.addr1_2 = pAdapter->CurrentAddress[1];
+	uni_pf3.bits.addr2_1 = pAdapter->CurrentAddress[0];
+	uni_pf3.bits.addr2_2 = pAdapter->CurrentAddress[1];
+
+	uni_pf2.bits.addr2_3 = pAdapter->CurrentAddress[2];
+	uni_pf2.bits.addr2_4 = pAdapter->CurrentAddress[3];
+	uni_pf2.bits.addr2_5 = pAdapter->CurrentAddress[4];
+	uni_pf2.bits.addr2_6 = pAdapter->CurrentAddress[5];
+
+	uni_pf1.bits.addr1_3 = pAdapter->CurrentAddress[2];
+	uni_pf1.bits.addr1_4 = pAdapter->CurrentAddress[3];
+	uni_pf1.bits.addr1_5 = pAdapter->CurrentAddress[4];
+	uni_pf1.bits.addr1_6 = pAdapter->CurrentAddress[5];
+
+	pm_csr.value = readl(&pAdapter->CSRAddress->global.pm_csr.value);
+	if (pm_csr.bits.pm_phy_sw_coma == 0) {
+		writel(uni_pf1.value, &rxmac->uni_pf_addr1.value);
+		writel(uni_pf2.value, &rxmac->uni_pf_addr2.value);
+		writel(uni_pf3.value, &rxmac->uni_pf_addr3.value);
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
diff --git a/drivers/staging/et131x/et1310_mac.h b/drivers/staging/et131x/et1310_mac.h
new file mode 100644
index 00000000000..bd26cd35178
--- /dev/null
+++ b/drivers/staging/et131x/et1310_mac.h
@@ -0,0 +1,93 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_mac.h -  Defines, structs, enums, prototypes, etc. pertaining to the
+ *                 MAC.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef _ET1310_MAC_H_
+#define _ET1310_MAC_H_
+
+
+#include "et1310_address_map.h"
+
+
+#define COUNTER_WRAP_28_BIT 0x10000000
+#define COUNTER_WRAP_22_BIT 0x400000
+#define COUNTER_WRAP_16_BIT 0x10000
+#define COUNTER_WRAP_12_BIT 0x1000
+
+#define COUNTER_MASK_28_BIT (COUNTER_WRAP_28_BIT - 1)
+#define COUNTER_MASK_22_BIT (COUNTER_WRAP_22_BIT - 1)
+#define COUNTER_MASK_16_BIT (COUNTER_WRAP_16_BIT - 1)
+#define COUNTER_MASK_12_BIT (COUNTER_WRAP_12_BIT - 1)
+
+#define UPDATE_COUNTER(HostCnt,DevCnt) \
+    HostCnt = HostCnt + DevCnt;
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+void ConfigMACRegs1(struct et131x_adapter *adapter);
+void ConfigMACRegs2(struct et131x_adapter *adapter);
+void ConfigRxMacRegs(struct et131x_adapter *adapter);
+void ConfigTxMacRegs(struct et131x_adapter *adapter);
+void ConfigMacStatRegs(struct et131x_adapter *adapter);
+void ConfigFlowControl(struct et131x_adapter *adapter);
+void UpdateMacStatHostCounters(struct et131x_adapter *adapter);
+void HandleMacStatInterrupt(struct et131x_adapter *adapter);
+void SetupDeviceForMulticast(struct et131x_adapter *adapter);
+void SetupDeviceForUnicast(struct et131x_adapter *adapter);
+
+#endif /* _ET1310_MAC_H_ */
diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c
new file mode 100644
index 00000000000..6c4fa54419e
--- /dev/null
+++ b/drivers/staging/et131x/et1310_phy.c
@@ -0,0 +1,1281 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_phy.c - Routines for configuring and accessing the PHY
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+#include <linux/random.h>
+#include <linux/delay.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_netdev.h"
+#include "et131x_initpci.h"
+
+#include "et1310_address_map.h"
+#include "et1310_jagcore.h"
+#include "et1310_tx.h"
+#include "et1310_rx.h"
+#include "et1310_mac.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+/* Prototypes for functions with local scope */
+static int et131x_xcvr_init(struct et131x_adapter *adapter);
+
+/**
+ * PhyMiRead - Read from the PHY through the MII Interface on the MAC
+ * @adapter: pointer to our private adapter structure
+ * @xcvrAddr: the address of the transciever
+ * @xcvrReg: the register to read
+ * @value: pointer to a 16-bit value in which the value will be stored
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int PhyMiRead(struct et131x_adapter *adapter, uint8_t xcvrAddr,
+	      uint8_t xcvrReg, uint16_t *value)
+{
+	struct _MAC_t __iomem *mac = &adapter->CSRAddress->mac;
+	int status = 0;
+	uint32_t delay;
+	MII_MGMT_ADDR_t miiAddr;
+	MII_MGMT_CMD_t miiCmd;
+	MII_MGMT_INDICATOR_t miiIndicator;
+
+	/* Save a local copy of the registers we are dealing with so we can
+	 * set them back
+	 */
+	miiAddr.value = readl(&mac->mii_mgmt_addr.value);
+	miiCmd.value = readl(&mac->mii_mgmt_cmd.value);
+
+	/* Stop the current operation */
+	writel(0, &mac->mii_mgmt_cmd.value);
+
+	/* Set up the register we need to read from on the correct PHY */
+	{
+		MII_MGMT_ADDR_t mii_mgmt_addr = { 0 };
+
+		mii_mgmt_addr.bits.phy_addr = xcvrAddr;
+		mii_mgmt_addr.bits.reg_addr = xcvrReg;
+		writel(mii_mgmt_addr.value, &mac->mii_mgmt_addr.value);
+	}
+
+	/* Kick the read cycle off */
+	delay = 0;
+
+	writel(0x1, &mac->mii_mgmt_cmd.value);
+
+	do {
+		udelay(50);
+		delay++;
+		miiIndicator.value = readl(&mac->mii_mgmt_indicator.value);
+	} while ((miiIndicator.bits.not_valid || miiIndicator.bits.busy) &&
+		 delay < 50);
+
+	/* If we hit the max delay, we could not read the register */
+	if (delay >= 50) {
+		DBG_WARNING(et131x_dbginfo,
+			    "xcvrReg 0x%08x could not be read\n", xcvrReg);
+		DBG_WARNING(et131x_dbginfo, "status is  0x%08x\n",
+			    miiIndicator.value);
+
+		status = -EIO;
+	}
+
+	/* If we hit here we were able to read the register and we need to
+	 * return the value to the caller
+	 */
+	/* TODO: make this stuff a simple readw()?! */
+	{
+		MII_MGMT_STAT_t mii_mgmt_stat;
+
+		mii_mgmt_stat.value = readl(&mac->mii_mgmt_stat.value);
+		*value = (uint16_t) mii_mgmt_stat.bits.phy_stat;
+	}
+
+	/* Stop the read operation */
+	writel(0, &mac->mii_mgmt_cmd.value);
+
+	DBG_VERBOSE(et131x_dbginfo, "  xcvr_addr = 0x%02x, "
+		    "xcvr_reg  = 0x%02x, "
+		    "value     = 0x%04x.\n", xcvrAddr, xcvrReg, *value);
+
+	/* set the registers we touched back to the state at which we entered
+	 * this function
+	 */
+	writel(miiAddr.value, &mac->mii_mgmt_addr.value);
+	writel(miiCmd.value, &mac->mii_mgmt_cmd.value);
+
+	return status;
+}
+
+/**
+ * MiWrite - Write to a PHY register through the MII interface of the MAC
+ * @adapter: pointer to our private adapter structure
+ * @xcvrReg: the register to read
+ * @value: 16-bit value to write
+ *
+ * Return 0 on success, errno on failure (as defined in errno.h)
+ */
+int MiWrite(struct et131x_adapter *adapter, uint8_t xcvrReg, uint16_t value)
+{
+	struct _MAC_t __iomem *mac = &adapter->CSRAddress->mac;
+	int status = 0;
+	uint8_t xcvrAddr = adapter->Stats.xcvr_addr;
+	uint32_t delay;
+	MII_MGMT_ADDR_t miiAddr;
+	MII_MGMT_CMD_t miiCmd;
+	MII_MGMT_INDICATOR_t miiIndicator;
+
+	/* Save a local copy of the registers we are dealing with so we can
+	 * set them back
+	 */
+	miiAddr.value = readl(&mac->mii_mgmt_addr.value);
+	miiCmd.value = readl(&mac->mii_mgmt_cmd.value);
+
+	/* Stop the current operation */
+	writel(0, &mac->mii_mgmt_cmd.value);
+
+	/* Set up the register we need to write to on the correct PHY */
+	{
+		MII_MGMT_ADDR_t mii_mgmt_addr;
+
+		mii_mgmt_addr.bits.phy_addr = xcvrAddr;
+		mii_mgmt_addr.bits.reg_addr = xcvrReg;
+		writel(mii_mgmt_addr.value, &mac->mii_mgmt_addr.value);
+	}
+
+	/* Add the value to write to the registers to the mac */
+	writel(value, &mac->mii_mgmt_ctrl.value);
+	delay = 0;
+
+	do {
+		udelay(50);
+		delay++;
+		miiIndicator.value = readl(&mac->mii_mgmt_indicator.value);
+	} while (miiIndicator.bits.busy && delay < 100);
+
+	/* If we hit the max delay, we could not write the register */
+	if (delay == 100) {
+		uint16_t TempValue;
+
+		DBG_WARNING(et131x_dbginfo,
+			    "xcvrReg 0x%08x could not be written", xcvrReg);
+		DBG_WARNING(et131x_dbginfo, "status is  0x%08x\n",
+			    miiIndicator.value);
+		DBG_WARNING(et131x_dbginfo, "command is  0x%08x\n",
+			    readl(&mac->mii_mgmt_cmd.value));
+
+		MiRead(adapter, xcvrReg, &TempValue);
+
+		status = -EIO;
+	}
+
+	/* Stop the write operation */
+	writel(0, &mac->mii_mgmt_cmd.value);
+
+	/* set the registers we touched back to the state at which we entered
+         * this function
+         */
+	writel(miiAddr.value, &mac->mii_mgmt_addr.value);
+	writel(miiCmd.value, &mac->mii_mgmt_cmd.value);
+
+	DBG_VERBOSE(et131x_dbginfo, " xcvr_addr = 0x%02x, "
+		    "xcvr_reg  = 0x%02x, "
+		    "value     = 0x%04x.\n", xcvrAddr, xcvrReg, value);
+
+	return status;
+}
+
+/**
+ * et131x_xcvr_find - Find the PHY ID
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_xcvr_find(struct et131x_adapter *adapter)
+{
+	int status = -ENODEV;
+	uint8_t xcvr_addr;
+	MI_IDR1_t idr1;
+	MI_IDR2_t idr2;
+	uint32_t xcvr_id;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* We need to get xcvr id and address we just get the first one */
+	for (xcvr_addr = 0; xcvr_addr < 32; xcvr_addr++) {
+		/* Read the ID from the PHY */
+		PhyMiRead(adapter, xcvr_addr,
+			  (uint8_t) offsetof(MI_REGS_t, idr1),
+			  &idr1.value);
+		PhyMiRead(adapter, xcvr_addr,
+			  (uint8_t) offsetof(MI_REGS_t, idr2),
+			  &idr2.value);
+
+		xcvr_id = (uint32_t) ((idr1.value << 16) | idr2.value);
+
+		if ((idr1.value != 0) && (idr1.value != 0xffff)) {
+			DBG_TRACE(et131x_dbginfo,
+				  "Xcvr addr: 0x%02x\tXcvr_id: 0x%08x\n",
+				  xcvr_addr, xcvr_id);
+
+			adapter->Stats.xcvr_id = xcvr_id;
+			adapter->Stats.xcvr_addr = xcvr_addr;
+
+			status = 0;
+			break;
+		}
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_setphy_normal - Set PHY for normal operation.
+ * @adapter: pointer to our private adapter structure
+ *
+ * Used by Power Management to force the PHY into 10 Base T half-duplex mode,
+ * when going to D3 in WOL mode. Also used during initialization to set the
+ * PHY for normal operation.
+ */
+int et131x_setphy_normal(struct et131x_adapter *adapter)
+{
+	int status;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Make sure the PHY is powered up */
+	ET1310_PhyPowerDown(adapter, 0);
+	status = et131x_xcvr_init(adapter);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_xcvr_init - Init the phy if we are setting it into force mode
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+static int et131x_xcvr_init(struct et131x_adapter *adapter)
+{
+	int status = 0;
+	MI_IMR_t imr;
+	MI_ISR_t isr;
+	MI_LCR2_t lcr2;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Zero out the adapter structure variable representing BMSR */
+	adapter->Bmsr.value = 0;
+
+	MiRead(adapter, (uint8_t) offsetof(MI_REGS_t, isr), &isr.value);
+
+	MiRead(adapter, (uint8_t) offsetof(MI_REGS_t, imr), &imr.value);
+
+	/* Set the link status interrupt only.  Bad behavior when link status
+	 * and auto neg are set, we run into a nested interrupt problem
+	 */
+	imr.bits.int_en = 0x1;
+	imr.bits.link_status = 0x1;
+	imr.bits.autoneg_status = 0x1;
+
+	MiWrite(adapter, (uint8_t) offsetof(MI_REGS_t, imr), imr.value);
+
+	/* Set the LED behavior such that LED 1 indicates speed (off =
+	 * 10Mbits, blink = 100Mbits, on = 1000Mbits) and LED 2 indicates
+	 * link and activity (on for link, blink off for activity).
+	 *
+	 * NOTE: Some customizations have been added here for specific
+	 * vendors; The LED behavior is now determined by vendor data in the
+	 * EEPROM. However, the above description is the default.
+	 */
+	if ((adapter->eepromData[1] & 0x4) == 0) {
+		MiRead(adapter, (uint8_t) offsetof(MI_REGS_t, lcr2),
+		       &lcr2.value);
+		if ((adapter->eepromData[1] & 0x8) == 0)
+			lcr2.bits.led_tx_rx = 0x3;
+		else
+			lcr2.bits.led_tx_rx = 0x4;
+		lcr2.bits.led_link = 0xa;
+		MiWrite(adapter, (uint8_t) offsetof(MI_REGS_t, lcr2),
+			lcr2.value);
+	}
+
+	/* Determine if we need to go into a force mode and set it */
+	if (adapter->AiForceSpeed == 0 && adapter->AiForceDpx == 0) {
+		if ((adapter->RegistryFlowControl == TxOnly) ||
+		    (adapter->RegistryFlowControl == Both)) {
+			ET1310_PhyAccessMiBit(adapter,
+					      TRUEPHY_BIT_SET, 4, 11, NULL);
+		} else {
+			ET1310_PhyAccessMiBit(adapter,
+					      TRUEPHY_BIT_CLEAR, 4, 11, NULL);
+		}
+
+		if (adapter->RegistryFlowControl == Both) {
+			ET1310_PhyAccessMiBit(adapter,
+					      TRUEPHY_BIT_SET, 4, 10, NULL);
+		} else {
+			ET1310_PhyAccessMiBit(adapter,
+					      TRUEPHY_BIT_CLEAR, 4, 10, NULL);
+		}
+
+		/* Set the phy to autonegotiation */
+		ET1310_PhyAutoNeg(adapter, true);
+
+		/* NOTE - Do we need this? */
+		ET1310_PhyAccessMiBit(adapter, TRUEPHY_BIT_SET, 0, 9, NULL);
+
+		DBG_LEAVE(et131x_dbginfo);
+		return status;
+	} else {
+		ET1310_PhyAutoNeg(adapter, false);
+
+		/* Set to the correct force mode. */
+		if (adapter->AiForceDpx != 1) {
+			if ((adapter->RegistryFlowControl == TxOnly) ||
+			    (adapter->RegistryFlowControl == Both)) {
+				ET1310_PhyAccessMiBit(adapter,
+						      TRUEPHY_BIT_SET, 4, 11,
+						      NULL);
+			} else {
+				ET1310_PhyAccessMiBit(adapter,
+						      TRUEPHY_BIT_CLEAR, 4, 11,
+						      NULL);
+			}
+
+			if (adapter->RegistryFlowControl == Both) {
+				ET1310_PhyAccessMiBit(adapter,
+						      TRUEPHY_BIT_SET, 4, 10,
+						      NULL);
+			} else {
+				ET1310_PhyAccessMiBit(adapter,
+						      TRUEPHY_BIT_CLEAR, 4, 10,
+						      NULL);
+			}
+		} else {
+			ET1310_PhyAccessMiBit(adapter,
+					      TRUEPHY_BIT_CLEAR, 4, 10, NULL);
+			ET1310_PhyAccessMiBit(adapter,
+					      TRUEPHY_BIT_CLEAR, 4, 11, NULL);
+		}
+
+		switch (adapter->AiForceSpeed) {
+		case 10:
+			if (adapter->AiForceDpx == 1) {
+				TPAL_SetPhy10HalfDuplex(adapter);
+			} else if (adapter->AiForceDpx == 2) {
+				TPAL_SetPhy10FullDuplex(adapter);
+			} else {
+				TPAL_SetPhy10Force(adapter);
+			}
+			break;
+		case 100:
+			if (adapter->AiForceDpx == 1) {
+				TPAL_SetPhy100HalfDuplex(adapter);
+			} else if (adapter->AiForceDpx == 2) {
+				TPAL_SetPhy100FullDuplex(adapter);
+			} else {
+				TPAL_SetPhy100Force(adapter);
+			}
+			break;
+		case 1000:
+			TPAL_SetPhy1000FullDuplex(adapter);
+			break;
+		}
+
+		DBG_LEAVE(et131x_dbginfo);
+		return status;
+	}
+}
+
+void et131x_Mii_check(struct et131x_adapter *pAdapter,
+		      MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints)
+{
+	uint8_t ucLinkStatus;
+	uint32_t uiAutoNegStatus;
+	uint32_t uiSpeed;
+	uint32_t uiDuplex;
+	uint32_t uiMdiMdix;
+	uint32_t uiMasterSlave;
+	uint32_t uiPolarity;
+	unsigned long lockflags;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	if (bmsr_ints.bits.link_status) {
+		if (bmsr.bits.link_status) {
+			pAdapter->PoMgmt.TransPhyComaModeOnBoot = 20;
+
+			/* Update our state variables and indicate the
+			 * connected state
+			 */
+			spin_lock_irqsave(&pAdapter->Lock, lockflags);
+
+			pAdapter->MediaState = NETIF_STATUS_MEDIA_CONNECT;
+			MP_CLEAR_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION);
+
+			spin_unlock_irqrestore(&pAdapter->Lock, lockflags);
+
+			/* Don't indicate state if we're in loopback mode */
+			if (pAdapter->RegistryPhyLoopbk == false) {
+				netif_carrier_on(pAdapter->netdev);
+			}
+		} else {
+			DBG_WARNING(et131x_dbginfo,
+				    "Link down cable problem\n");
+
+			if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_10MBPS) {
+				// NOTE - Is there a way to query this without TruePHY?
+				// && TRU_QueryCoreType(pAdapter->hTruePhy, 0) == EMI_TRUEPHY_A13O) {
+				uint16_t Register18;
+
+				MiRead(pAdapter, 0x12, &Register18);
+				MiWrite(pAdapter, 0x12, Register18 | 0x4);
+				MiWrite(pAdapter, 0x10, Register18 | 0x8402);
+				MiWrite(pAdapter, 0x11, Register18 | 511);
+				MiWrite(pAdapter, 0x12, Register18);
+			}
+
+			/* For the first N seconds of life, we are in "link
+			 * detection" When we are in this state, we should
+			 * only report "connected". When the LinkDetection
+			 * Timer expires, we can report disconnected (handled
+			 * in the LinkDetectionDPC).
+			 */
+			if ((MP_IS_FLAG_CLEAR
+			     (pAdapter, fMP_ADAPTER_LINK_DETECTION))
+			    || (pAdapter->MediaState ==
+				NETIF_STATUS_MEDIA_DISCONNECT)) {
+				spin_lock_irqsave(&pAdapter->Lock, lockflags);
+				pAdapter->MediaState =
+				    NETIF_STATUS_MEDIA_DISCONNECT;
+				spin_unlock_irqrestore(&pAdapter->Lock,
+						       lockflags);
+
+				/* Only indicate state if we're in loopback
+				 * mode
+				 */
+				if (pAdapter->RegistryPhyLoopbk == false) {
+					netif_carrier_off(pAdapter->netdev);
+				}
+			}
+
+			pAdapter->uiLinkSpeed = 0;
+			pAdapter->uiDuplexMode = 0;
+
+			/* Free the packets being actively sent & stopped */
+			et131x_free_busy_send_packets(pAdapter);
+
+			/* Re-initialize the send structures */
+			et131x_init_send(pAdapter);
+
+			/* Reset the RFD list and re-start RU */
+			et131x_reset_recv(pAdapter);
+
+			/*
+			 * Bring the device back to the state it was during
+			 * init prior to autonegotiation being complete. This
+			 * way, when we get the auto-neg complete interrupt,
+			 * we can complete init by calling ConfigMacREGS2.
+			 */
+			et131x_soft_reset(pAdapter);
+
+			/* Setup ET1310 as per the documentation */
+			et131x_adapter_setup(pAdapter);
+
+			/* Setup the PHY into coma mode until the cable is
+			 * plugged back in
+			 */
+			if (pAdapter->RegistryPhyComa == 1) {
+				EnablePhyComa(pAdapter);
+			}
+		}
+	}
+
+	if (bmsr_ints.bits.auto_neg_complete ||
+	    ((pAdapter->AiForceDpx == 3) && (bmsr_ints.bits.link_status))) {
+		if (bmsr.bits.auto_neg_complete || (pAdapter->AiForceDpx == 3)) {
+			ET1310_PhyLinkStatus(pAdapter,
+					     &ucLinkStatus, &uiAutoNegStatus,
+					     &uiSpeed, &uiDuplex, &uiMdiMdix,
+					     &uiMasterSlave, &uiPolarity);
+
+			pAdapter->uiLinkSpeed = uiSpeed;
+			pAdapter->uiDuplexMode = uiDuplex;
+
+			DBG_TRACE(et131x_dbginfo,
+				  "pAdapter->uiLinkSpeed 0x%04x, pAdapter->uiDuplex 0x%08x\n",
+				  pAdapter->uiLinkSpeed,
+				  pAdapter->uiDuplexMode);
+
+			pAdapter->PoMgmt.TransPhyComaModeOnBoot = 20;
+
+			if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_10MBPS) {
+				// NOTE - Is there a way to query this without TruePHY?
+				// && TRU_QueryCoreType(pAdapter->hTruePhy, 0) == EMI_TRUEPHY_A13O) {
+				uint16_t Register18;
+
+				MiRead(pAdapter, 0x12, &Register18);
+				MiWrite(pAdapter, 0x12, Register18 | 0x4);
+				MiWrite(pAdapter, 0x10, Register18 | 0x8402);
+				MiWrite(pAdapter, 0x11, Register18 | 511);
+				MiWrite(pAdapter, 0x12, Register18);
+			}
+
+			ConfigFlowControl(pAdapter);
+
+			if ((pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) &&
+			    (pAdapter->RegistryJumboPacket > 2048))
+			{
+				ET1310_PhyAndOrReg(pAdapter, 0x16, 0xcfff,
+						   0x2000);
+			}
+
+			SetRxDmaTimer(pAdapter);
+			ConfigMACRegs2(pAdapter);
+		}
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhy10HalfDuplex - Force the phy into 10 Base T Half Duplex mode.
+ * @pAdapter: pointer to the adapter structure
+ *
+ * Also sets the MAC so it is syncd up properly
+ */
+void TPAL_SetPhy10HalfDuplex(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* First we need to turn off all other advertisement */
+	ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	/* Set our advertise values accordingly */
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_HALF);
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhy10FullDuplex - Force the phy into 10 Base T Full Duplex mode.
+ * @pAdapter: pointer to the adapter structure
+ *
+ * Also sets the MAC so it is syncd up properly
+ */
+void TPAL_SetPhy10FullDuplex(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* First we need to turn off all other advertisement */
+	ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	/* Set our advertise values accordingly */
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL);
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhy10Force - Force Base-T FD mode WITHOUT using autonegotiation
+ * @pAdapter: pointer to the adapter structure
+ */
+void TPAL_SetPhy10Force(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* Disable autoneg */
+	ET1310_PhyAutoNeg(pAdapter, false);
+
+	/* Disable all advertisement */
+	ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	/* Force 10 Mbps */
+	ET1310_PhySpeedSelect(pAdapter, TRUEPHY_SPEED_10MBPS);
+
+	/* Force Full duplex */
+	ET1310_PhyDuplexMode(pAdapter, TRUEPHY_DUPLEX_FULL);
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhy100HalfDuplex - Force 100 Base T Half Duplex mode.
+ * @pAdapter: pointer to the adapter structure
+ *
+ * Also sets the MAC so it is syncd up properly.
+ */
+void TPAL_SetPhy100HalfDuplex(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* first we need to turn off all other advertisement */
+	ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	/* Set our advertise values accordingly */
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_HALF);
+
+	/* Set speed */
+	ET1310_PhySpeedSelect(pAdapter, TRUEPHY_SPEED_100MBPS);
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhy100FullDuplex - Force 100 Base T Full Duplex mode.
+ * @pAdapter: pointer to the adapter structure
+ *
+ * Also sets the MAC so it is syncd up properly
+ */
+void TPAL_SetPhy100FullDuplex(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* First we need to turn off all other advertisement */
+	ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	/* Set our advertise values accordingly */
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL);
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhy100Force - Force 100 BaseT FD mode WITHOUT using autonegotiation
+ * @pAdapter: pointer to the adapter structure
+ */
+void TPAL_SetPhy100Force(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* Disable autoneg */
+	ET1310_PhyAutoNeg(pAdapter, false);
+
+	/* Disable all advertisement */
+	ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	/* Force 100 Mbps */
+	ET1310_PhySpeedSelect(pAdapter, TRUEPHY_SPEED_100MBPS);
+
+	/* Force Full duplex */
+	ET1310_PhyDuplexMode(pAdapter, TRUEPHY_DUPLEX_FULL);
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhy1000FullDuplex - Force 1000 Base T Full Duplex mode
+ * @pAdapter: pointer to the adapter structure
+ *
+ * Also sets the MAC so it is syncd up properly.
+ */
+void TPAL_SetPhy1000FullDuplex(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* first we need to turn off all other advertisement */
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+
+	/* set our advertise values accordingly */
+	ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL);
+
+	/* power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * TPAL_SetPhyAutoNeg - Set phy to autonegotiation mode.
+ * @pAdapter: pointer to the adapter structure
+ */
+void TPAL_SetPhyAutoNeg(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/* Turn on advertisement of all capabilities */
+	ET1310_PhyAdvertise10BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_BOTH);
+
+	ET1310_PhyAdvertise100BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_BOTH);
+
+	if (pAdapter->DeviceID != ET131X_PCI_DEVICE_ID_FAST) {
+		ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL);
+	} else {
+		ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+	}
+
+	/* Make sure auto-neg is ON (it is disabled in FORCE modes) */
+	ET1310_PhyAutoNeg(pAdapter, true);
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+
+/*
+ * The routines which follow provide low-level access to the PHY, and are used
+ * primarily by the routines above (although there are a few places elsewhere
+ * in the driver where this level of access is required).
+ */
+
+static const uint16_t ConfigPhy[25][2] = {
+	/* Reg      Value      Register */
+	/* Addr                         */
+	{0x880B, 0x0926},	/* AfeIfCreg4B1000Msbs */
+	{0x880C, 0x0926},	/* AfeIfCreg4B100Msbs */
+	{0x880D, 0x0926},	/* AfeIfCreg4B10Msbs */
+
+	{0x880E, 0xB4D3},	/* AfeIfCreg4B1000Lsbs */
+	{0x880F, 0xB4D3},	/* AfeIfCreg4B100Lsbs */
+	{0x8810, 0xB4D3},	/* AfeIfCreg4B10Lsbs */
+
+	{0x8805, 0xB03E},	/* AfeIfCreg3B1000Msbs */
+	{0x8806, 0xB03E},	/* AfeIfCreg3B100Msbs */
+	{0x8807, 0xFF00},	/* AfeIfCreg3B10Msbs */
+
+	{0x8808, 0xE090},	/* AfeIfCreg3B1000Lsbs */
+	{0x8809, 0xE110},	/* AfeIfCreg3B100Lsbs */
+	{0x880A, 0x0000},	/* AfeIfCreg3B10Lsbs */
+
+	{0x300D, 1},		/* DisableNorm */
+
+	{0x280C, 0x0180},	/* LinkHoldEnd */
+
+	{0x1C21, 0x0002},	/* AlphaM */
+
+	{0x3821, 6},		/* FfeLkgTx0 */
+	{0x381D, 1},		/* FfeLkg1g4 */
+	{0x381E, 1},		/* FfeLkg1g5 */
+	{0x381F, 1},		/* FfeLkg1g6 */
+	{0x3820, 1},		/* FfeLkg1g7 */
+
+	{0x8402, 0x01F0},	/* Btinact */
+	{0x800E, 20},		/* LftrainTime */
+	{0x800F, 24},		/* DvguardTime */
+	{0x8010, 46},		/* IdlguardTime */
+
+	{0, 0}
+
+};
+
+/* condensed version of the phy initialization routine */
+void ET1310_PhyInit(struct et131x_adapter *pAdapter)
+{
+	uint16_t usData, usIndex;
+
+	if (pAdapter == NULL) {
+		return;
+	}
+
+	// get the identity (again ?)
+	MiRead(pAdapter, PHY_ID_1, &usData);
+	MiRead(pAdapter, PHY_ID_2, &usData);
+
+	// what does this do/achieve ?
+	MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData);	// should read 0002
+	MiWrite(pAdapter, PHY_MPHY_CONTROL_REG,	0x0006);
+
+	// read modem register 0402, should I do something with the return data ?
+	MiWrite(pAdapter, PHY_INDEX_REG, 0x0402);
+	MiRead(pAdapter, PHY_DATA_REG, &usData);
+
+	// what does this do/achieve ?
+	MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0002);
+
+	// get the identity (again ?)
+	MiRead(pAdapter, PHY_ID_1, &usData);
+	MiRead(pAdapter, PHY_ID_2, &usData);
+
+	// what does this achieve ?
+	MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData);	// should read 0002
+	MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0006);
+
+	// read modem register 0402, should I do something with the return data?
+	MiWrite(pAdapter, PHY_INDEX_REG, 0x0402);
+	MiRead(pAdapter, PHY_DATA_REG, &usData);
+
+	MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0002);
+
+	// what does this achieve (should return 0x1040)
+	MiRead(pAdapter, PHY_CONTROL, &usData);
+	MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData);	// should read 0002
+	MiWrite(pAdapter, PHY_CONTROL, 0x1840);
+
+	MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0007);
+
+	// here the writing of the array starts....
+	usIndex = 0;
+	while (ConfigPhy[usIndex][0] != 0x0000) {
+		// write value
+		MiWrite(pAdapter, PHY_INDEX_REG, ConfigPhy[usIndex][0]);
+		MiWrite(pAdapter, PHY_DATA_REG, ConfigPhy[usIndex][1]);
+
+		// read it back
+		MiWrite(pAdapter, PHY_INDEX_REG, ConfigPhy[usIndex][0]);
+		MiRead(pAdapter, PHY_DATA_REG, &usData);
+
+		// do a check on the value read back ?
+		usIndex++;
+	}
+	// here the writing of the array ends...
+
+	MiRead(pAdapter, PHY_CONTROL, &usData);	// 0x1840
+	MiRead(pAdapter, PHY_MPHY_CONTROL_REG, &usData);	// should read 0007
+	MiWrite(pAdapter, PHY_CONTROL, 0x1040);
+	MiWrite(pAdapter, PHY_MPHY_CONTROL_REG, 0x0002);
+}
+
+void ET1310_PhyReset(struct et131x_adapter *pAdapter)
+{
+	MiWrite(pAdapter, PHY_CONTROL, 0x8000);
+}
+
+void ET1310_PhyPowerDown(struct et131x_adapter *pAdapter, bool down)
+{
+	uint16_t usData;
+
+	MiRead(pAdapter, PHY_CONTROL, &usData);
+
+	if (down == false) {
+		// Power UP
+		usData &= ~0x0800;
+		MiWrite(pAdapter, PHY_CONTROL, usData);
+	} else {
+		// Power DOWN
+		usData |= 0x0800;
+		MiWrite(pAdapter, PHY_CONTROL, usData);
+	}
+}
+
+void ET1310_PhyAutoNeg(struct et131x_adapter *pAdapter, bool enable)
+{
+	uint16_t usData;
+
+	MiRead(pAdapter, PHY_CONTROL, &usData);
+
+	if (enable == true) {
+		// Autonegotiation ON
+		usData |= 0x1000;
+		MiWrite(pAdapter, PHY_CONTROL, usData);
+	} else {
+		// Autonegotiation OFF
+		usData &= ~0x1000;
+		MiWrite(pAdapter, PHY_CONTROL, usData);
+	}
+}
+
+void ET1310_PhyDuplexMode(struct et131x_adapter *pAdapter, uint16_t duplex)
+{
+	uint16_t usData;
+
+	MiRead(pAdapter, PHY_CONTROL, &usData);
+
+	if (duplex == TRUEPHY_DUPLEX_FULL) {
+		// Set Full Duplex
+		usData |= 0x100;
+		MiWrite(pAdapter, PHY_CONTROL, usData);
+	} else {
+		// Set Half Duplex
+		usData &= ~0x100;
+		MiWrite(pAdapter, PHY_CONTROL, usData);
+	}
+}
+
+void ET1310_PhySpeedSelect(struct et131x_adapter *pAdapter, uint16_t speed)
+{
+	uint16_t usData;
+
+	// Read the PHY control register
+	MiRead(pAdapter, PHY_CONTROL, &usData);
+
+	// Clear all Speed settings (Bits 6, 13)
+	usData &= ~0x2040;
+
+	// Reset the speed bits based on user selection
+	switch (speed) {
+	case TRUEPHY_SPEED_10MBPS:
+		// Bits already cleared above, do nothing
+		break;
+
+	case TRUEPHY_SPEED_100MBPS:
+		// 100M == Set bit 13
+		usData |= 0x2000;
+		break;
+
+	case TRUEPHY_SPEED_1000MBPS:
+	default:
+		usData |= 0x0040;
+		break;
+	}
+
+	// Write back the new speed
+	MiWrite(pAdapter, PHY_CONTROL, usData);
+}
+
+void ET1310_PhyAdvertise1000BaseT(struct et131x_adapter *pAdapter,
+				  uint16_t duplex)
+{
+	uint16_t usData;
+
+	// Read the PHY 1000 Base-T Control Register
+	MiRead(pAdapter, PHY_1000_CONTROL, &usData);
+
+	// Clear Bits 8,9
+	usData &= ~0x0300;
+
+	switch (duplex) {
+	case TRUEPHY_ADV_DUPLEX_NONE:
+		// Duplex already cleared, do nothing
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_FULL:
+		// Set Bit 9
+		usData |= 0x0200;
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_HALF:
+		// Set Bit 8
+		usData |= 0x0100;
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_BOTH:
+	default:
+		usData |= 0x0300;
+		break;
+	}
+
+	// Write back advertisement
+	MiWrite(pAdapter, PHY_1000_CONTROL, usData);
+}
+
+void ET1310_PhyAdvertise100BaseT(struct et131x_adapter *pAdapter,
+				 uint16_t duplex)
+{
+	uint16_t usData;
+
+	// Read the Autonegotiation Register (10/100)
+	MiRead(pAdapter, PHY_AUTO_ADVERTISEMENT, &usData);
+
+	// Clear bits 7,8
+	usData &= ~0x0180;
+
+	switch (duplex) {
+	case TRUEPHY_ADV_DUPLEX_NONE:
+		// Duplex already cleared, do nothing
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_FULL:
+		// Set Bit 8
+		usData |= 0x0100;
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_HALF:
+		// Set Bit 7
+		usData |= 0x0080;
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_BOTH:
+	default:
+		// Set Bits 7,8
+		usData |= 0x0180;
+		break;
+	}
+
+	// Write back advertisement
+	MiWrite(pAdapter, PHY_AUTO_ADVERTISEMENT, usData);
+}
+
+void ET1310_PhyAdvertise10BaseT(struct et131x_adapter *pAdapter,
+				uint16_t duplex)
+{
+	uint16_t usData;
+
+	// Read the Autonegotiation Register (10/100)
+	MiRead(pAdapter, PHY_AUTO_ADVERTISEMENT, &usData);
+
+	// Clear bits 5,6
+	usData &= ~0x0060;
+
+	switch (duplex) {
+	case TRUEPHY_ADV_DUPLEX_NONE:
+		// Duplex already cleared, do nothing
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_FULL:
+		// Set Bit 6
+		usData |= 0x0040;
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_HALF:
+		// Set Bit 5
+		usData |= 0x0020;
+		break;
+
+	case TRUEPHY_ADV_DUPLEX_BOTH:
+	default:
+		// Set Bits 5,6
+		usData |= 0x0060;
+		break;
+	}
+
+	// Write back advertisement
+	MiWrite(pAdapter, PHY_AUTO_ADVERTISEMENT, usData);
+}
+
+void ET1310_PhyLinkStatus(struct et131x_adapter *pAdapter,
+			  uint8_t *ucLinkStatus,
+			  uint32_t *uiAutoNeg,
+			  uint32_t *uiLinkSpeed,
+			  uint32_t *uiDuplexMode,
+			  uint32_t *uiMdiMdix,
+			  uint32_t *uiMasterSlave, uint32_t *uiPolarity)
+{
+	uint16_t usMiStatus = 0;
+	uint16_t us1000BaseT = 0;
+	uint16_t usVmiPhyStatus = 0;
+	uint16_t usControl = 0;
+
+	MiRead(pAdapter, PHY_STATUS, &usMiStatus);
+	MiRead(pAdapter, PHY_1000_STATUS, &us1000BaseT);
+	MiRead(pAdapter, PHY_PHY_STATUS, &usVmiPhyStatus);
+	MiRead(pAdapter, PHY_CONTROL, &usControl);
+
+	if (ucLinkStatus) {
+		*ucLinkStatus =
+		    (unsigned char)((usVmiPhyStatus & 0x0040) ? 1 : 0);
+	}
+
+	if (uiAutoNeg) {
+		*uiAutoNeg =
+		    (usControl & 0x1000) ? ((usVmiPhyStatus & 0x0020) ?
+					    TRUEPHY_ANEG_COMPLETE :
+					    TRUEPHY_ANEG_NOT_COMPLETE) :
+		    TRUEPHY_ANEG_DISABLED;
+	}
+
+	if (uiLinkSpeed) {
+		*uiLinkSpeed = (usVmiPhyStatus & 0x0300) >> 8;
+	}
+
+	if (uiDuplexMode) {
+		*uiDuplexMode = (usVmiPhyStatus & 0x0080) >> 7;
+	}
+
+	if (uiMdiMdix) {
+		/* NOTE: Need to complete this */
+		*uiMdiMdix = 0;
+	}
+
+	if (uiMasterSlave) {
+		*uiMasterSlave =
+		    (us1000BaseT & 0x4000) ? TRUEPHY_CFG_MASTER :
+		    TRUEPHY_CFG_SLAVE;
+	}
+
+	if (uiPolarity) {
+		*uiPolarity =
+		    (usVmiPhyStatus & 0x0400) ? TRUEPHY_POLARITY_INVERTED :
+		    TRUEPHY_POLARITY_NORMAL;
+	}
+}
+
+void ET1310_PhyAndOrReg(struct et131x_adapter *pAdapter,
+			uint16_t regnum, uint16_t andMask, uint16_t orMask)
+{
+	uint16_t reg;
+
+	// Read the requested register
+	MiRead(pAdapter, regnum, &reg);
+
+	// Apply the AND mask
+	reg &= andMask;
+
+	// Apply the OR mask
+	reg |= orMask;
+
+	// Write the value back to the register
+	MiWrite(pAdapter, regnum, reg);
+}
+
+void ET1310_PhyAccessMiBit(struct et131x_adapter *pAdapter, uint16_t action,
+			   uint16_t regnum, uint16_t bitnum, uint8_t *value)
+{
+	uint16_t reg;
+	uint16_t mask = 0;
+
+	// Create a mask to isolate the requested bit
+	mask = 0x0001 << bitnum;
+
+	// Read the requested register
+	MiRead(pAdapter, regnum, &reg);
+
+	switch (action) {
+	case TRUEPHY_BIT_READ:
+		if (value != NULL) {
+			*value = (reg & mask) >> bitnum;
+		}
+		break;
+
+	case TRUEPHY_BIT_SET:
+		reg |= mask;
+		MiWrite(pAdapter, regnum, reg);
+		break;
+
+	case TRUEPHY_BIT_CLEAR:
+		reg &= ~mask;
+		MiWrite(pAdapter, regnum, reg);
+		break;
+
+	default:
+		break;
+	}
+}
diff --git a/drivers/staging/et131x/et1310_phy.h b/drivers/staging/et131x/et1310_phy.h
new file mode 100644
index 00000000000..d624cbbadbd
--- /dev/null
+++ b/drivers/staging/et131x/et1310_phy.h
@@ -0,0 +1,910 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_phy.h - Defines, structs, enums, prototypes, etc. pertaining to the
+ *                PHY.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef _ET1310_PHY_H_
+#define _ET1310_PHY_H_
+
+#include "et1310_address_map.h"
+
+#define TRUEPHY_SUCCESS 0
+#define TRUEPHY_FAILURE 1
+typedef void *TRUEPHY_HANDLE;
+typedef void *TRUEPHY_PLATFORM_HANDLE;
+typedef void *TRUEPHY_OSAL_HANDLE;
+
+/* MI Register Addresses */
+#define MI_CONTROL_REG                      0
+#define MI_STATUS_REG                       1
+#define MI_PHY_IDENTIFIER_1_REG             2
+#define MI_PHY_IDENTIFIER_2_REG             3
+#define MI_AUTONEG_ADVERTISEMENT_REG        4
+#define MI_AUTONEG_LINK_PARTNER_ABILITY_REG 5
+#define MI_AUTONEG_EXPANSION_REG            6
+#define MI_AUTONEG_NEXT_PAGE_TRANSMIT_REG   7
+#define MI_LINK_PARTNER_NEXT_PAGE_REG       8
+#define MI_1000BASET_CONTROL_REG            9
+#define MI_1000BASET_STATUS_REG             10
+#define MI_RESERVED11_REG                   11
+#define MI_RESERVED12_REG                   12
+#define MI_RESERVED13_REG                   13
+#define MI_RESERVED14_REG                   14
+#define MI_EXTENDED_STATUS_REG              15
+
+/* VMI Register Addresses */
+#define VMI_RESERVED16_REG                  16
+#define VMI_RESERVED17_REG                  17
+#define VMI_RESERVED18_REG                  18
+#define VMI_LOOPBACK_CONTROL_REG            19
+#define VMI_RESERVED20_REG                  20
+#define VMI_MI_CONTROL_REG                  21
+#define VMI_PHY_CONFIGURATION_REG           22
+#define VMI_PHY_CONTROL_REG                 23
+#define VMI_INTERRUPT_MASK_REG              24
+#define VMI_INTERRUPT_STATUS_REG            25
+#define VMI_PHY_STATUS_REG                  26
+#define VMI_LED_CONTROL_1_REG               27
+#define VMI_LED_CONTROL_2_REG               28
+#define VMI_RESERVED29_REG                  29
+#define VMI_RESERVED30_REG                  30
+#define VMI_RESERVED31_REG                  31
+
+/* PHY Register Mapping(MI) Management Interface Regs */
+typedef struct _MI_REGS_t {
+	u8 bmcr;		// Basic mode control reg(Reg 0x00)
+	u8 bmsr;		// Basic mode status reg(Reg 0x01)
+	u8 idr1;		// Phy identifier reg 1(Reg 0x02)
+	u8 idr2;		// Phy identifier reg 2(Reg 0x03)
+	u8 anar;		// Auto-Negotiation advertisement(Reg 0x04)
+	u8 anlpar;		// Auto-Negotiation link Partner Ability(Reg 0x05)
+	u8 aner;		// Auto-Negotiation expansion reg(Reg 0x06)
+	u8 annptr;		// Auto-Negotiation next page transmit reg(Reg 0x07)
+	u8 lpnpr;		// link partner next page reg(Reg 0x08)
+	u8 gcr;		// Gigabit basic mode control reg(Reg 0x09)
+	u8 gsr;		// Gigabit basic mode status reg(Reg 0x0A)
+	u8 mi_res1[4];	// Future use by MI working group(Reg 0x0B - 0x0E)
+	u8 esr;		// Extended status reg(Reg 0x0F)
+	u8 mi_res2[3];	// Future use by MI working group(Reg 0x10 - 0x12)
+	u8 loop_ctl;	// Loopback Control Reg(Reg 0x13)
+	u8 mi_res3;	// Future use by MI working group(Reg 0x14)
+	u8 mcr;		// MI Control Reg(Reg 0x15)
+	u8 pcr;		// Configuration Reg(Reg 0x16)
+	u8 phy_ctl;	// PHY Control Reg(Reg 0x17)
+	u8 imr;		// Interrupt Mask Reg(Reg 0x18)
+	u8 isr;		// Interrupt Status Reg(Reg 0x19)
+	u8 psr;		// PHY Status Reg(Reg 0x1A)
+	u8 lcr1;		// LED Control 1 Reg(Reg 0x1B)
+	u8 lcr2;		// LED Control 2 Reg(Reg 0x1C)
+	u8 mi_res4[3];	// Future use by MI working group(Reg 0x1D - 0x1F)
+} MI_REGS_t, *PMI_REGS_t;
+
+/* MI Register 0: Basic mode control register */
+typedef union _MI_BMCR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 reset:1;		// bit 15
+		u16 loopback:1;		// bit 14
+		u16 speed_sel:1;		// bit 13
+		u16 enable_autoneg:1;	// bit 12
+		u16 power_down:1;		// bit 11
+		u16 isolate:1;		// bit 10
+		u16 restart_autoneg:1;	// bit 9
+		u16 duplex_mode:1;		// bit 8
+		u16 col_test:1;		// bit 7
+		u16 speed_1000_sel:1;	// bit 6
+		u16 res1:6;		// bits 0-5
+#else
+		u16 res1:6;		// bits 0-5
+		u16 speed_1000_sel:1;	// bit 6
+		u16 col_test:1;		// bit 7
+		u16 duplex_mode:1;		// bit 8
+		u16 restart_autoneg:1;	// bit 9
+		u16 isolate:1;		// bit 10
+		u16 power_down:1;		// bit 11
+		u16 enable_autoneg:1;	// bit 12
+		u16 speed_sel:1;		// bit 13
+		u16 loopback:1;		// bit 14
+		u16 reset:1;		// bit 15
+#endif
+	} bits;
+} MI_BMCR_t, *PMI_BMCR_t;
+
+/* MI Register 1:  Basic mode status register */
+typedef union _MI_BMSR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 link_100T4:1;		// bit 15
+		u16 link_100fdx:1;		// bit 14
+		u16 link_100hdx:1;		// bit 13
+		u16 link_10fdx:1;		// bit 12
+		u16 link_10hdx:1;		// bit 11
+		u16 link_100T2fdx:1;	// bit 10
+		u16 link_100T2hdx:1;	// bit 9
+		u16 extend_status:1;	// bit 8
+		u16 res1:1;		// bit 7
+		u16 preamble_supress:1;	// bit 6
+		u16 auto_neg_complete:1;	// bit 5
+		u16 remote_fault:1;	// bit 4
+		u16 auto_neg_able:1;	// bit 3
+		u16 link_status:1;		// bit 2
+		u16 jabber_detect:1;	// bit 1
+		u16 ext_cap:1;		// bit 0
+#else
+		u16 ext_cap:1;		// bit 0
+		u16 jabber_detect:1;	// bit 1
+		u16 link_status:1;		// bit 2
+		u16 auto_neg_able:1;	// bit 3
+		u16 remote_fault:1;	// bit 4
+		u16 auto_neg_complete:1;	// bit 5
+		u16 preamble_supress:1;	// bit 6
+		u16 res1:1;		// bit 7
+		u16 extend_status:1;	// bit 8
+		u16 link_100T2hdx:1;	// bit 9
+		u16 link_100T2fdx:1;	// bit 10
+		u16 link_10hdx:1;		// bit 11
+		u16 link_10fdx:1;		// bit 12
+		u16 link_100hdx:1;		// bit 13
+		u16 link_100fdx:1;		// bit 14
+		u16 link_100T4:1;		// bit 15
+#endif
+	} bits;
+} MI_BMSR_t, *PMI_BMSR_t;
+
+/* MI Register 2: Physical Identifier 1 */
+typedef union _MI_IDR1_t {
+	u16 value;
+	struct {
+		u16 ieee_address:16;	// 0x0282 default(bits 0-15)
+	} bits;
+} MI_IDR1_t, *PMI_IDR1_t;
+
+/* MI Register 3: Physical Identifier 2 */
+typedef union _MI_IDR2_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 ieee_address:6;	// 111100 default(bits 10-15)
+		u16 model_no:6;		// 000001 default(bits 4-9)
+		u16 rev_no:4;		// 0010   default(bits 0-3)
+#else
+		u16 rev_no:4;		// 0010   default(bits 0-3)
+		u16 model_no:6;		// 000001 default(bits 4-9)
+		u16 ieee_address:6;	// 111100 default(bits 10-15)
+#endif
+	} bits;
+} MI_IDR2_t, *PMI_IDR2_t;
+
+/* MI Register 4: Auto-negotiation advertisement register */
+typedef union _MI_ANAR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 np_indication:1;	// bit 15
+		u16 res2:1;		// bit 14
+		u16 remote_fault:1;	// bit 13
+		u16 res1:1;		// bit 12
+		u16 cap_asmpause:1;	// bit 11
+		u16 cap_pause:1;		// bit 10
+		u16 cap_100T4:1;		// bit 9
+		u16 cap_100fdx:1;		// bit 8
+		u16 cap_100hdx:1;		// bit 7
+		u16 cap_10fdx:1;		// bit 6
+		u16 cap_10hdx:1;		// bit 5
+		u16 selector:5;		// bits 0-4
+#else
+		u16 selector:5;		// bits 0-4
+		u16 cap_10hdx:1;		// bit 5
+		u16 cap_10fdx:1;		// bit 6
+		u16 cap_100hdx:1;		// bit 7
+		u16 cap_100fdx:1;		// bit 8
+		u16 cap_100T4:1;		// bit 9
+		u16 cap_pause:1;		// bit 10
+		u16 cap_asmpause:1;	// bit 11
+		u16 res1:1;		// bit 12
+		u16 remote_fault:1;	// bit 13
+		u16 res2:1;		// bit 14
+		u16 np_indication:1;	// bit 15
+#endif
+	} bits;
+} MI_ANAR_t, *PMI_ANAR_t;
+
+/* MI Register 5: Auto-negotiation link partner advertisement register */
+typedef struct _MI_ANLPAR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 np_indication:1;	// bit 15
+		u16 acknowledge:1;		// bit 14
+		u16 remote_fault:1;	// bit 13
+		u16 res1:1;		// bit 12
+		u16 cap_asmpause:1;	// bit 11
+		u16 cap_pause:1;		// bit 10
+		u16 cap_100T4:1;		// bit 9
+		u16 cap_100fdx:1;		// bit 8
+		u16 cap_100hdx:1;		// bit 7
+		u16 cap_10fdx:1;		// bit 6
+		u16 cap_10hdx:1;		// bit 5
+		u16 selector:5;		// bits 0-4
+#else
+		u16 selector:5;		// bits 0-4
+		u16 cap_10hdx:1;		// bit 5
+		u16 cap_10fdx:1;		// bit 6
+		u16 cap_100hdx:1;		// bit 7
+		u16 cap_100fdx:1;		// bit 8
+		u16 cap_100T4:1;		// bit 9
+		u16 cap_pause:1;		// bit 10
+		u16 cap_asmpause:1;	// bit 11
+		u16 res1:1;		// bit 12
+		u16 remote_fault:1;	// bit 13
+		u16 acknowledge:1;		// bit 14
+		u16 np_indication:1;	// bit 15
+#endif
+	} bits;
+} MI_ANLPAR_t, *PMI_ANLPAR_t;
+
+/* MI Register 6: Auto-negotiation expansion register */
+typedef union _MI_ANER_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res:11;	// bits 5-15
+		u16 pdf:1;		// bit 4
+		u16 lp_np_able:1;	// bit 3
+		u16 np_able:1;	// bit 2
+		u16 page_rx:1;	// bit 1
+		u16 lp_an_able:1;	// bit 0
+#else
+		u16 lp_an_able:1;	// bit 0
+		u16 page_rx:1;	// bit 1
+		u16 np_able:1;	// bit 2
+		u16 lp_np_able:1;	// bit 3
+		u16 pdf:1;		// bit 4
+		u16 res:11;	// bits 5-15
+#endif
+	} bits;
+} MI_ANER_t, *PMI_ANER_t;
+
+/* MI Register 7: Auto-negotiation next page transmit reg(0x07) */
+typedef union _MI_ANNPTR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 np:1;		// bit 15
+		u16 res1:1;	// bit 14
+		u16 msg_page:1;	// bit 13
+		u16 ack2:1;	// bit 12
+		u16 toggle:1;	// bit 11
+		u16 msg:11;	// bits 0-10
+#else
+		u16 msg:11;	// bits 0-10
+		u16 toggle:1;	// bit 11
+		u16 ack2:1;	// bit 12
+		u16 msg_page:1;	// bit 13
+		u16 res1:1;	// bit 14
+		u16 np:1;		// bit 15
+#endif
+	} bits;
+} MI_ANNPTR_t, *PMI_ANNPTR_t;
+
+/* MI Register 8: Link Partner Next Page Reg(0x08) */
+typedef union _MI_LPNPR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 np:1;		// bit 15
+		u16 ack:1;		// bit 14
+		u16 msg_page:1;	// bit 13
+		u16 ack2:1;	// bit 12
+		u16 toggle:1;	// bit 11
+		u16 msg:11;	// bits 0-10
+#else
+		u16 msg:11;	// bits 0-10
+		u16 toggle:1;	// bit 11
+		u16 ack2:1;	// bit 12
+		u16 msg_page:1;	// bit 13
+		u16 ack:1;		// bit 14
+		u16 np:1;		// bit 15
+#endif
+	} bits;
+} MI_LPNPR_t, *PMI_LPNPR_t;
+
+/* MI Register 9: 1000BaseT Control Reg(0x09) */
+typedef union _MI_GCR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 test_mode:3;		// bits 13-15
+		u16 ms_config_en:1;	// bit 12
+		u16 ms_value:1;		// bit 11
+		u16 port_type:1;		// bit 10
+		u16 link_1000fdx:1;	// bit 9
+		u16 link_1000hdx:1;	// bit 8
+		u16 res:8;			// bit 0-7
+#else
+		u16 res:8;			// bit 0-7
+		u16 link_1000hdx:1;	// bit 8
+		u16 link_1000fdx:1;	// bit 9
+		u16 port_type:1;		// bit 10
+		u16 ms_value:1;		// bit 11
+		u16 ms_config_en:1;	// bit 12
+		u16 test_mode:3;		// bits 13-15
+#endif
+	} bits;
+} MI_GCR_t, *PMI_GCR_t;
+
+/* MI Register 10: 1000BaseT Status Reg(0x0A) */
+typedef union _MI_GSR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 ms_config_fault:1;	// bit 15
+		u16 ms_resolve:1;		// bit 14
+		u16 local_rx_status:1;	// bit 13
+		u16 remote_rx_status:1;	// bit 12
+		u16 link_1000fdx:1;	// bit 11
+		u16 link_1000hdx:1;	// bit 10
+		u16 res:2;			// bits 8-9
+		u16 idle_err_cnt:8;	// bits 0-7
+#else
+		u16 idle_err_cnt:8;	// bits 0-7
+		u16 res:2;			// bits 8-9
+		u16 link_1000hdx:1;	// bit 10
+		u16 link_1000fdx:1;	// bit 11
+		u16 remote_rx_status:1;	// bit 12
+		u16 local_rx_status:1;	// bit 13
+		u16 ms_resolve:1;		// bit 14
+		u16 ms_config_fault:1;	// bit 15
+#endif
+	} bits;
+} MI_GSR_t, *PMI_GSR_t;
+
+/* MI Register 11 - 14: Reserved Regs(0x0B - 0x0E) */
+typedef union _MI_RES_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res15:1;	// bit 15
+		u16 res14:1;	// bit 14
+		u16 res13:1;	// bit 13
+		u16 res12:1;	// bit 12
+		u16 res11:1;	// bit 11
+		u16 res10:1;	// bit 10
+		u16 res9:1;	// bit 9
+		u16 res8:1;	// bit 8
+		u16 res7:1;	// bit 7
+		u16 res6:1;	// bit 6
+		u16 res5:1;	// bit 5
+		u16 res4:1;	// bit 4
+		u16 res3:1;	// bit 3
+		u16 res2:1;	// bit 2
+		u16 res1:1;	// bit 1
+		u16 res0:1;	// bit 0
+#else
+		u16 res0:1;	// bit 0
+		u16 res1:1;	// bit 1
+		u16 res2:1;	// bit 2
+		u16 res3:1;	// bit 3
+		u16 res4:1;	// bit 4
+		u16 res5:1;	// bit 5
+		u16 res6:1;	// bit 6
+		u16 res7:1;	// bit 7
+		u16 res8:1;	// bit 8
+		u16 res9:1;	// bit 9
+		u16 res10:1;	// bit 10
+		u16 res11:1;	// bit 11
+		u16 res12:1;	// bit 12
+		u16 res13:1;	// bit 13
+		u16 res14:1;	// bit 14
+		u16 res15:1;	// bit 15
+#endif
+	} bits;
+} MI_RES_t, *PMI_RES_t;
+
+/* MI Register 15: Extended status Reg(0x0F) */
+typedef union _MI_ESR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 link_1000Xfdx:1;	// bit 15
+		u16 link_1000Xhdx:1;	// bit 14
+		u16 link_1000fdx:1;	// bit 13
+		u16 link_1000hdx:1;	// bit 12
+		u16 res:12;		// bit 0-11
+#else
+		u16 res:12;		// bit 0-11
+		u16 link_1000hdx:1;	// bit 12
+		u16 link_1000fdx:1;	// bit 13
+		u16 link_1000Xhdx:1;	// bit 14
+		u16 link_1000Xfdx:1;	// bit 15
+#endif
+	} bits;
+} MI_ESR_t, *PMI_ESR_t;
+
+/* MI Register 16 - 18: Reserved Reg(0x10-0x12) */
+
+/* MI Register 19: Loopback Control Reg(0x13) */
+typedef union _MI_LCR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 mii_en:1;		// bit 15
+		u16 pcs_en:1;		// bit 14
+		u16 pmd_en:1;		// bit 13
+		u16 all_digital_en:1;	// bit 12
+		u16 replica_en:1;		// bit 11
+		u16 line_driver_en:1;	// bit 10
+		u16 res:10;		// bit 0-9
+#else
+		u16 res:10;		// bit 0-9
+		u16 line_driver_en:1;	// bit 10
+		u16 replica_en:1;		// bit 11
+		u16 all_digital_en:1;	// bit 12
+		u16 pmd_en:1;		// bit 13
+		u16 pcs_en:1;		// bit 14
+		u16 mii_en:1;		// bit 15
+#endif
+	} bits;
+} MI_LCR_t, *PMI_LCR_t;
+
+/* MI Register 20: Reserved Reg(0x14) */
+
+/* MI Register 21: Management Interface Control Reg(0x15) */
+typedef union _MI_MICR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res1:5;		// bits 11-15
+		u16 mi_error_count:7;	// bits 4-10
+		u16 res2:1;		// bit 3
+		u16 ignore_10g_fr:1;	// bit 2
+		u16 res3:1;		// bit 1
+		u16 preamble_supress_en:1;	// bit 0
+#else
+		u16 preamble_supress_en:1;	// bit 0
+		u16 res3:1;		// bit 1
+		u16 ignore_10g_fr:1;	// bit 2
+		u16 res2:1;		// bit 3
+		u16 mi_error_count:7;	// bits 4-10
+		u16 res1:5;		// bits 11-15
+#endif
+	} bits;
+} MI_MICR_t, *PMI_MICR_t;
+
+/* MI Register 22: PHY Configuration Reg(0x16) */
+typedef union _MI_PHY_CONFIG_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 crs_tx_en:1;		// bit 15
+		u16 res1:1;		// bit 14
+		u16 tx_fifo_depth:2;	// bits 12-13
+		u16 speed_downshift:2;	// bits 10-11
+		u16 pbi_detect:1;		// bit 9
+		u16 tbi_rate:1;		// bit 8
+		u16 alternate_np:1;	// bit 7
+		u16 group_mdio_en:1;	// bit 6
+		u16 tx_clock_en:1;		// bit 5
+		u16 sys_clock_en:1;	// bit 4
+		u16 res2:1;		// bit 3
+		u16 mac_if_mode:3;		// bits 0-2
+#else
+		u16 mac_if_mode:3;		// bits 0-2
+		u16 res2:1;		// bit 3
+		u16 sys_clock_en:1;	// bit 4
+		u16 tx_clock_en:1;		// bit 5
+		u16 group_mdio_en:1;	// bit 6
+		u16 alternate_np:1;	// bit 7
+		u16 tbi_rate:1;		// bit 8
+		u16 pbi_detect:1;		// bit 9
+		u16 speed_downshift:2;	// bits 10-11
+		u16 tx_fifo_depth:2;	// bits 12-13
+		u16 res1:1;		// bit 14
+		u16 crs_tx_en:1;		// bit 15
+#endif
+	} bits;
+} MI_PHY_CONFIG_t, *PMI_PHY_CONFIG_t;
+
+/* MI Register 23: PHY CONTROL Reg(0x17) */
+typedef union _MI_PHY_CONTROL_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res1:1;		// bit 15
+		u16 tdr_en:1;		// bit 14
+		u16 res2:1;		// bit 13
+		u16 downshift_attempts:2;	// bits 11-12
+		u16 res3:5;		// bit 6-10
+		u16 jabber_10baseT:1;	// bit 5
+		u16 sqe_10baseT:1;		// bit 4
+		u16 tp_loopback_10baseT:1;	// bit 3
+		u16 preamble_gen_en:1;	// bit 2
+		u16 res4:1;		// bit 1
+		u16 force_int:1;		// bit 0
+#else
+		u16 force_int:1;		// bit 0
+		u16 res4:1;		// bit 1
+		u16 preamble_gen_en:1;	// bit 2
+		u16 tp_loopback_10baseT:1;	// bit 3
+		u16 sqe_10baseT:1;		// bit 4
+		u16 jabber_10baseT:1;	// bit 5
+		u16 res3:5;		// bit 6-10
+		u16 downshift_attempts:2;	// bits 11-12
+		u16 res2:1;		// bit 13
+		u16 tdr_en:1;		// bit 14
+		u16 res1:1;		// bit 15
+#endif
+	} bits;
+} MI_PHY_CONTROL_t, *PMI_PHY_CONTROL_t;
+
+/* MI Register 24: Interrupt Mask Reg(0x18) */
+typedef union _MI_IMR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res1:6;		// bits 10-15
+		u16 mdio_sync_lost:1;	// bit 9
+		u16 autoneg_status:1;	// bit 8
+		u16 hi_bit_err:1;		// bit 7
+		u16 np_rx:1;		// bit 6
+		u16 err_counter_full:1;	// bit 5
+		u16 fifo_over_underflow:1;	// bit 4
+		u16 rx_status:1;		// bit 3
+		u16 link_status:1;		// bit 2
+		u16 automatic_speed:1;	// bit 1
+		u16 int_en:1;		// bit 0
+#else
+		u16 int_en:1;		// bit 0
+		u16 automatic_speed:1;	// bit 1
+		u16 link_status:1;		// bit 2
+		u16 rx_status:1;		// bit 3
+		u16 fifo_over_underflow:1;	// bit 4
+		u16 err_counter_full:1;	// bit 5
+		u16 np_rx:1;		// bit 6
+		u16 hi_bit_err:1;		// bit 7
+		u16 autoneg_status:1;	// bit 8
+		u16 mdio_sync_lost:1;	// bit 9
+		u16 res1:6;		// bits 10-15
+#endif
+	} bits;
+} MI_IMR_t, *PMI_IMR_t;
+
+/* MI Register 25: Interrupt Status Reg(0x19) */
+typedef union _MI_ISR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res1:6;		// bits 10-15
+		u16 mdio_sync_lost:1;	// bit 9
+		u16 autoneg_status:1;	// bit 8
+		u16 hi_bit_err:1;		// bit 7
+		u16 np_rx:1;		// bit 6
+		u16 err_counter_full:1;	// bit 5
+		u16 fifo_over_underflow:1;	// bit 4
+		u16 rx_status:1;		// bit 3
+		u16 link_status:1;		// bit 2
+		u16 automatic_speed:1;	// bit 1
+		u16 int_en:1;		// bit 0
+#else
+		u16 int_en:1;		// bit 0
+		u16 automatic_speed:1;	// bit 1
+		u16 link_status:1;		// bit 2
+		u16 rx_status:1;		// bit 3
+		u16 fifo_over_underflow:1;	// bit 4
+		u16 err_counter_full:1;	// bit 5
+		u16 np_rx:1;		// bit 6
+		u16 hi_bit_err:1;		// bit 7
+		u16 autoneg_status:1;	// bit 8
+		u16 mdio_sync_lost:1;	// bit 9
+		u16 res1:6;		// bits 10-15
+#endif
+	} bits;
+} MI_ISR_t, *PMI_ISR_t;
+
+/* MI Register 26: PHY Status Reg(0x1A) */
+typedef union _MI_PSR_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res1:1;		// bit 15
+		u16 autoneg_fault:2;	// bit 13-14
+		u16 autoneg_status:1;	// bit 12
+		u16 mdi_x_status:1;	// bit 11
+		u16 polarity_status:1;	// bit 10
+		u16 speed_status:2;	// bits 8-9
+		u16 duplex_status:1;	// bit 7
+		u16 link_status:1;		// bit 6
+		u16 tx_status:1;		// bit 5
+		u16 rx_status:1;		// bit 4
+		u16 collision_status:1;	// bit 3
+		u16 autoneg_en:1;		// bit 2
+		u16 pause_en:1;		// bit 1
+		u16 asymmetric_dir:1;	// bit 0
+#else
+		u16 asymmetric_dir:1;	// bit 0
+		u16 pause_en:1;		// bit 1
+		u16 autoneg_en:1;		// bit 2
+		u16 collision_status:1;	// bit 3
+		u16 rx_status:1;		// bit 4
+		u16 tx_status:1;		// bit 5
+		u16 link_status:1;		// bit 6
+		u16 duplex_status:1;	// bit 7
+		u16 speed_status:2;	// bits 8-9
+		u16 polarity_status:1;	// bit 10
+		u16 mdi_x_status:1;	// bit 11
+		u16 autoneg_status:1;	// bit 12
+		u16 autoneg_fault:2;	// bit 13-14
+		u16 res1:1;		// bit 15
+#endif
+	} bits;
+} MI_PSR_t, *PMI_PSR_t;
+
+/* MI Register 27: LED Control Reg 1(0x1B) */
+typedef union _MI_LCR1_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 res1:2;		// bits 14-15
+		u16 led_dup_indicate:2;	// bits 12-13
+		u16 led_10baseT:2;		// bits 10-11
+		u16 led_collision:2;	// bits 8-9
+		u16 res2:2;		// bits 6-7
+		u16 res3:2;		// bits 4-5
+		u16 pulse_dur:2;		// bits 2-3
+		u16 pulse_stretch1:1;	// bit 1
+		u16 pulse_stretch0:1;	// bit 0
+#else
+		u16 pulse_stretch0:1;	// bit 0
+		u16 pulse_stretch1:1;	// bit 1
+		u16 pulse_dur:2;		// bits 2-3
+		u16 res3:2;		// bits 4-5
+		u16 res2:2;		// bits 6-7
+		u16 led_collision:2;	// bits 8-9
+		u16 led_10baseT:2;		// bits 10-11
+		u16 led_dup_indicate:2;	// bits 12-13
+		u16 res1:2;		// bits 14-15
+#endif
+	} bits;
+} MI_LCR1_t, *PMI_LCR1_t;
+
+/* MI Register 28: LED Control Reg 2(0x1C) */
+typedef union _MI_LCR2_t {
+	u16 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u16 led_link:4;		// bits 12-15
+		u16 led_tx_rx:4;		// bits 8-11
+		u16 led_100BaseTX:4;	// bits 4-7
+		u16 led_1000BaseT:4;	// bits 0-3
+#else
+		u16 led_1000BaseT:4;	// bits 0-3
+		u16 led_100BaseTX:4;	// bits 4-7
+		u16 led_tx_rx:4;		// bits 8-11
+		u16 led_link:4;		// bits 12-15
+#endif
+	} bits;
+} MI_LCR2_t, *PMI_LCR2_t;
+
+/* MI Register 29 - 31: Reserved Reg(0x1D - 0x1E) */
+
+/* TruePHY headers */
+typedef struct _TRUEPHY_ACCESS_MI_REGS_ {
+	TRUEPHY_HANDLE hTruePhy;
+	int32_t nPhyId;
+	u8 bReadWrite;
+	u8 *pbyRegs;
+	u8 *pwData;
+	int32_t nRegCount;
+} TRUEPHY_ACCESS_MI_REGS, *PTRUEPHY_ACCESS_MI_REGS;
+
+/* TruePHY headers */
+typedef struct _TAG_TPAL_ACCESS_MI_REGS_ {
+	u32 nPhyId;
+	u8 bReadWrite;
+	u32 nRegCount;
+	u16 Data[4096];
+	u8 Regs[4096];
+} TPAL_ACCESS_MI_REGS, *PTPAL_ACCESS_MI_REGS;
+
+
+typedef TRUEPHY_HANDLE TPAL_HANDLE;
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+/* OS Specific Functions*/
+void TPAL_SetPhy10HalfDuplex(struct et131x_adapter *adapter);
+void TPAL_SetPhy10FullDuplex(struct et131x_adapter *adapter);
+void TPAL_SetPhy10Force(struct et131x_adapter *pAdapter);
+void TPAL_SetPhy100HalfDuplex(struct et131x_adapter *adapter);
+void TPAL_SetPhy100FullDuplex(struct et131x_adapter *adapter);
+void TPAL_SetPhy100Force(struct et131x_adapter *pAdapter);
+void TPAL_SetPhy1000FullDuplex(struct et131x_adapter *adapter);
+void TPAL_SetPhyAutoNeg(struct et131x_adapter *adapter);
+
+/* Prototypes for ET1310_phy.c */
+int et131x_xcvr_find(struct et131x_adapter *adapter);
+int et131x_setphy_normal(struct et131x_adapter *adapter);
+int32_t PhyMiRead(struct et131x_adapter *adapter,
+	       u8 xcvrAddr, u8 xcvrReg, u16 *value);
+
+/* static inline function does not work because et131x_adapter is not always
+ * defined
+ */
+#define MiRead(adapter, xcvrReg, value) \
+	PhyMiRead((adapter), (adapter)->Stats.xcvr_addr, (xcvrReg), (value))
+
+int32_t MiWrite(struct et131x_adapter *adapter,
+		u8 xcvReg, u16 value);
+void et131x_Mii_check(struct et131x_adapter *pAdapter,
+		      MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints);
+
+/* This last is not strictly required (the driver could call the TPAL
+ * version instead), but this sets the adapter up correctly, and calls the
+ * access routine indirectly.  This protects the driver from changes in TPAL.
+ */
+void SetPhy_10BaseTHalfDuplex(struct et131x_adapter *adapter);
+
+/* Defines for PHY access routines */
+
+// Define bit operation flags
+#define TRUEPHY_BIT_CLEAR               0
+#define TRUEPHY_BIT_SET                 1
+#define TRUEPHY_BIT_READ                2
+
+// Define read/write operation flags
+#ifndef TRUEPHY_READ
+#define TRUEPHY_READ                    0
+#define TRUEPHY_WRITE                   1
+#define TRUEPHY_MASK                    2
+#endif
+
+// Define speeds
+#define TRUEPHY_SPEED_10MBPS            0
+#define TRUEPHY_SPEED_100MBPS           1
+#define TRUEPHY_SPEED_1000MBPS          2
+
+// Define duplex modes
+#define TRUEPHY_DUPLEX_HALF             0
+#define TRUEPHY_DUPLEX_FULL             1
+
+// Define master/slave configuration values
+#define TRUEPHY_CFG_SLAVE               0
+#define TRUEPHY_CFG_MASTER              1
+
+// Define MDI/MDI-X settings
+#define TRUEPHY_MDI                     0
+#define TRUEPHY_MDIX                    1
+#define TRUEPHY_AUTO_MDI_MDIX           2
+
+// Define 10Base-T link polarities
+#define TRUEPHY_POLARITY_NORMAL         0
+#define TRUEPHY_POLARITY_INVERTED       1
+
+// Define auto-negotiation results
+#define TRUEPHY_ANEG_NOT_COMPLETE       0
+#define TRUEPHY_ANEG_COMPLETE           1
+#define TRUEPHY_ANEG_DISABLED           2
+
+/* Define duplex advertisment flags */
+#define TRUEPHY_ADV_DUPLEX_NONE         0x00
+#define TRUEPHY_ADV_DUPLEX_FULL         0x01
+#define TRUEPHY_ADV_DUPLEX_HALF         0x02
+#define TRUEPHY_ADV_DUPLEX_BOTH     \
+    (TRUEPHY_ADV_DUPLEX_FULL | TRUEPHY_ADV_DUPLEX_HALF)
+
+#define PHY_CONTROL                0x00	//#define TRU_MI_CONTROL_REGISTER                 0
+#define PHY_STATUS                 0x01	//#define TRU_MI_STATUS_REGISTER                  1
+#define PHY_ID_1                   0x02	//#define TRU_MI_PHY_IDENTIFIER_1_REGISTER        2
+#define PHY_ID_2                   0x03	//#define TRU_MI_PHY_IDENTIFIER_2_REGISTER        3
+#define PHY_AUTO_ADVERTISEMENT     0x04	//#define TRU_MI_ADVERTISEMENT_REGISTER           4
+#define PHY_AUTO_LINK_PARTNER      0x05	//#define TRU_MI_LINK_PARTNER_ABILITY_REGISTER    5
+#define PHY_AUTO_EXPANSION         0x06	//#define TRU_MI_EXPANSION_REGISTER               6
+#define PHY_AUTO_NEXT_PAGE_TX      0x07	//#define TRU_MI_NEXT_PAGE_TRANSMIT_REGISTER      7
+#define PHY_LINK_PARTNER_NEXT_PAGE 0x08	//#define TRU_MI_LINK_PARTNER_NEXT_PAGE_REGISTER  8
+#define PHY_1000_CONTROL           0x09	//#define TRU_MI_1000BASET_CONTROL_REGISTER       9
+#define PHY_1000_STATUS            0x0A	//#define TRU_MI_1000BASET_STATUS_REGISTER        10
+
+#define PHY_EXTENDED_STATUS        0x0F	//#define TRU_MI_EXTENDED_STATUS_REGISTER         15
+
+// some defines for modem registers that seem to be 'reserved'
+#define PHY_INDEX_REG              0x10
+#define PHY_DATA_REG               0x11
+
+#define PHY_MPHY_CONTROL_REG       0x12	//#define TRU_VMI_MPHY_CONTROL_REGISTER           18
+
+#define PHY_LOOPBACK_CONTROL       0x13	//#define TRU_VMI_LOOPBACK_CONTROL_1_REGISTER     19
+					//#define TRU_VMI_LOOPBACK_CONTROL_2_REGISTER     20
+#define PHY_REGISTER_MGMT_CONTROL  0x15	//#define TRU_VMI_MI_SEQ_CONTROL_REGISTER         21
+#define PHY_CONFIG                 0x16	//#define TRU_VMI_CONFIGURATION_REGISTER          22
+#define PHY_PHY_CONTROL            0x17	//#define TRU_VMI_PHY_CONTROL_REGISTER            23
+#define PHY_INTERRUPT_MASK         0x18	//#define TRU_VMI_INTERRUPT_MASK_REGISTER         24
+#define PHY_INTERRUPT_STATUS       0x19	//#define TRU_VMI_INTERRUPT_STATUS_REGISTER       25
+#define PHY_PHY_STATUS             0x1A	//#define TRU_VMI_PHY_STATUS_REGISTER             26
+#define PHY_LED_1                  0x1B	//#define TRU_VMI_LED_CONTROL_1_REGISTER          27
+#define PHY_LED_2                  0x1C	//#define TRU_VMI_LED_CONTROL_2_REGISTER          28
+					//#define TRU_VMI_LINK_CONTROL_REGISTER           29
+					//#define TRU_VMI_TIMING_CONTROL_REGISTER
+
+/* Prototypes for PHY access routines */
+void ET1310_PhyInit(struct et131x_adapter *adapter);
+void ET1310_PhyReset(struct et131x_adapter *adapter);
+void ET1310_PhyPowerDown(struct et131x_adapter *adapter, bool down);
+void ET1310_PhyAutoNeg(struct et131x_adapter *adapter, bool enable);
+void ET1310_PhyDuplexMode(struct et131x_adapter *adapter, u16 duplex);
+void ET1310_PhySpeedSelect(struct et131x_adapter *adapter, u16 speed);
+void ET1310_PhyAdvertise1000BaseT(struct et131x_adapter *adapter,
+				  u16 duplex);
+void ET1310_PhyAdvertise100BaseT(struct et131x_adapter *adapter,
+				 u16 duplex);
+void ET1310_PhyAdvertise10BaseT(struct et131x_adapter *adapter,
+				u16 duplex);
+void ET1310_PhyLinkStatus(struct et131x_adapter *adapter,
+			  u8 *ucLinkStatus,
+			  u32 *uiAutoNeg,
+			  u32 *uiLinkSpeed,
+			  u32 *uiDuplexMode,
+			  u32 *uiMdiMdix,
+			  u32 *uiMasterSlave, u32 *uiPolarity);
+void ET1310_PhyAndOrReg(struct et131x_adapter *adapter,
+			u16 regnum, u16 andMask, u16 orMask);
+void ET1310_PhyAccessMiBit(struct et131x_adapter *adapter,
+			   u16 action,
+			   u16 regnum, u16 bitnum, u8 *value);
+
+#endif /* _ET1310_PHY_H_ */
diff --git a/drivers/staging/et131x/et1310_pm.c b/drivers/staging/et131x/et1310_pm.c
new file mode 100644
index 00000000000..9539bc628ca
--- /dev/null
+++ b/drivers/staging/et131x/et1310_pm.c
@@ -0,0 +1,207 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_pm.c - All power management related code (not completely implemented)
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+#include "et1310_mac.h"
+#include "et1310_rx.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+/**
+ * EnablePhyComa - called when network cable is unplugged
+ * @pAdapter: pointer to our adapter structure
+ *
+ * driver receive an phy status change interrupt while in D0 and check that
+ * phy_status is down.
+ *
+ *          -- gate off JAGCore;
+ *          -- set gigE PHY in Coma mode
+ *          -- wake on phy_interrupt; Perform software reset JAGCore,
+ *             re-initialize jagcore and gigE PHY
+ *
+ *      Add D0-ASPM-PhyLinkDown Support:
+ *          -- while in D0, when there is a phy_interrupt indicating phy link
+ *             down status, call the MPSetPhyComa routine to enter this active
+ *             state power saving mode
+ *          -- while in D0-ASPM-PhyLinkDown mode, when there is a phy_interrupt
+ *       indicating linkup status, call the MPDisablePhyComa routine to
+ *             restore JAGCore and gigE PHY
+ */
+void EnablePhyComa(struct et131x_adapter *pAdapter)
+{
+	unsigned long lockflags;
+	PM_CSR_t GlobalPmCSR;
+	int32_t LoopCounter = 10;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	GlobalPmCSR.value = readl(&pAdapter->CSRAddress->global.pm_csr.value);
+
+	/* Save the GbE PHY speed and duplex modes. Need to restore this
+	 * when cable is plugged back in
+	 */
+	pAdapter->PoMgmt.PowerDownSpeed = pAdapter->AiForceSpeed;
+	pAdapter->PoMgmt.PowerDownDuplex = pAdapter->AiForceDpx;
+
+	/* Stop sending packets. */
+	spin_lock_irqsave(&pAdapter->SendHWLock, lockflags);
+	MP_SET_FLAG(pAdapter, fMP_ADAPTER_LOWER_POWER);
+	spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags);
+
+	/* Wait for outstanding Receive packets */
+	while ((MP_GET_RCV_REF(pAdapter) != 0) && (LoopCounter-- > 0)) {
+		mdelay(2);
+	}
+
+	/* Gate off JAGCore 3 clock domains */
+	GlobalPmCSR.bits.pm_sysclk_gate = 0;
+	GlobalPmCSR.bits.pm_txclk_gate = 0;
+	GlobalPmCSR.bits.pm_rxclk_gate = 0;
+	writel(GlobalPmCSR.value, &pAdapter->CSRAddress->global.pm_csr.value);
+
+	/* Program gigE PHY in to Coma mode */
+	GlobalPmCSR.bits.pm_phy_sw_coma = 1;
+	writel(GlobalPmCSR.value, &pAdapter->CSRAddress->global.pm_csr.value);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * DisablePhyComa - Disable the Phy Coma Mode
+ * @pAdapter: pointer to our adapter structure
+ */
+void DisablePhyComa(struct et131x_adapter *pAdapter)
+{
+	PM_CSR_t GlobalPmCSR;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	GlobalPmCSR.value = readl(&pAdapter->CSRAddress->global.pm_csr.value);
+
+	/* Disable phy_sw_coma register and re-enable JAGCore clocks */
+	GlobalPmCSR.bits.pm_sysclk_gate = 1;
+	GlobalPmCSR.bits.pm_txclk_gate = 1;
+	GlobalPmCSR.bits.pm_rxclk_gate = 1;
+	GlobalPmCSR.bits.pm_phy_sw_coma = 0;
+	writel(GlobalPmCSR.value, &pAdapter->CSRAddress->global.pm_csr.value);
+
+	/* Restore the GbE PHY speed and duplex modes;
+	 * Reset JAGCore; re-configure and initialize JAGCore and gigE PHY
+	 */
+	pAdapter->AiForceSpeed = pAdapter->PoMgmt.PowerDownSpeed;
+	pAdapter->AiForceDpx = pAdapter->PoMgmt.PowerDownDuplex;
+
+	/* Re-initialize the send structures */
+	et131x_init_send(pAdapter);
+
+	/* Reset the RFD list and re-start RU  */
+	et131x_reset_recv(pAdapter);
+
+	/* Bring the device back to the state it was during init prior to
+         * autonegotiation being complete.  This way, when we get the auto-neg
+         * complete interrupt, we can complete init by calling ConfigMacREGS2.
+         */
+	et131x_soft_reset(pAdapter);
+
+	/* setup et1310 as per the documentation ?? */
+	et131x_adapter_setup(pAdapter);
+
+	/* Allow Tx to restart */
+	MP_CLEAR_FLAG(pAdapter, fMP_ADAPTER_LOWER_POWER);
+
+	/* Need to re-enable Rx. */
+	et131x_rx_dma_enable(pAdapter);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
diff --git a/drivers/staging/et131x/et1310_pm.h b/drivers/staging/et131x/et1310_pm.h
new file mode 100644
index 00000000000..6802338e29d
--- /dev/null
+++ b/drivers/staging/et131x/et1310_pm.h
@@ -0,0 +1,125 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_pm.h - Defines, structs, enums, prototypes, etc. pertaining to power
+ *               management.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef _ET1310_PM_H_
+#define _ET1310_PM_H_
+
+#include "et1310_address_map.h"
+
+#define MAX_WOL_PACKET_SIZE    0x80
+#define MAX_WOL_MASK_SIZE      ( MAX_WOL_PACKET_SIZE / 8 )
+#define NUM_WOL_PATTERNS       0x5
+#define CRC16_POLY             0x1021
+
+/* Definition of NDIS_DEVICE_POWER_STATE */
+typedef enum {
+	NdisDeviceStateUnspecified = 0,
+	NdisDeviceStateD0,
+	NdisDeviceStateD1,
+	NdisDeviceStateD2,
+	NdisDeviceStateD3
+} NDIS_DEVICE_POWER_STATE;
+
+typedef struct _MP_POWER_MGMT {
+	/* variable putting the phy into coma mode when boot up with no cable
+	 * plugged in after 5 seconds
+	 */
+	u8 TransPhyComaModeOnBoot;
+
+	/* Array holding the five CRC values that the device is currently
+	 * using for WOL.  This will be queried when a pattern is to be
+	 * removed.
+	 */
+	u32 localWolAndCrc0;
+	u16 WOLPatternList[NUM_WOL_PATTERNS];
+	u8 WOLMaskList[NUM_WOL_PATTERNS][MAX_WOL_MASK_SIZE];
+	u32 WOLMaskSize[NUM_WOL_PATTERNS];
+
+	/* IP address */
+	union {
+		u32 u32;
+		u8 u8[4];
+	} IPAddress;
+
+	/* Current Power state of the adapter. */
+	NDIS_DEVICE_POWER_STATE PowerState;
+	bool WOLState;
+	bool WOLEnabled;
+	bool Failed10Half;
+	bool bFailedStateTransition;
+
+	/* Next two used to save power information at power down. This
+	 * information will be used during power up to set up parts of Power
+	 * Management in JAGCore
+	 */
+	u32 tx_en;
+	u32 rx_en;
+	u16 PowerDownSpeed;
+	u8 PowerDownDuplex;
+} MP_POWER_MGMT, *PMP_POWER_MGMT;
+
+/* Forward declaration of the private adapter structure
+ * ( IS THERE A WAY TO DO THIS WITH A TYPEDEF??? )
+ */
+struct et131x_adapter;
+
+u16 CalculateCCITCRC16(u8 *Pattern, u8 *Mask, u32 MaskSize);
+void EnablePhyComa(struct et131x_adapter *adapter);
+void DisablePhyComa(struct et131x_adapter *adapter);
+
+#endif /* _ET1310_PM_H_ */
diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c
new file mode 100644
index 00000000000..ec98da5da5b
--- /dev/null
+++ b/drivers/staging/et131x/et1310_rx.c
@@ -0,0 +1,1391 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_rx.c - Routines used to perform data reception
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+
+#include "et1310_rx.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+
+void nic_return_rfd(struct et131x_adapter *pAdapter, PMP_RFD pMpRfd);
+
+/**
+ * et131x_rx_dma_memory_alloc
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success and errno on failure (as defined in errno.h)
+ *
+ * Allocates Free buffer ring 1 for sure, free buffer ring 0 if required,
+ * and the Packet Status Ring.
+ */
+int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
+{
+	uint32_t OuterLoop, InnerLoop;
+	uint32_t bufsize;
+	uint32_t pktStatRingSize, FBRChunkSize;
+	RX_RING_t *rx_ring;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Setup some convenience pointers */
+	rx_ring = (RX_RING_t *) & adapter->RxRing;
+
+	/* Alloc memory for the lookup table */
+#ifdef USE_FBR0
+	rx_ring->Fbr[0] = kmalloc(sizeof(FBRLOOKUPTABLE), GFP_KERNEL);
+#endif
+
+	rx_ring->Fbr[1] = kmalloc(sizeof(FBRLOOKUPTABLE), GFP_KERNEL);
+
+	/* The first thing we will do is configure the sizes of the buffer
+	 * rings. These will change based on jumbo packet support.  Larger
+	 * jumbo packets increases the size of each entry in FBR0, and the
+	 * number of entries in FBR0, while at the same time decreasing the
+	 * number of entries in FBR1.
+	 *
+	 * FBR1 holds "large" frames, FBR0 holds "small" frames.  If FBR1
+	 * entries are huge in order to accomodate a "jumbo" frame, then it
+	 * will have less entries.  Conversely, FBR1 will now be relied upon
+	 * to carry more "normal" frames, thus it's entry size also increases
+	 * and the number of entries goes up too (since it now carries
+	 * "small" + "regular" packets.
+	 *
+	 * In this scheme, we try to maintain 512 entries between the two
+	 * rings. Also, FBR1 remains a constant size - when it's size doubles
+	 * the number of entries halves.  FBR0 increases in size, however.
+	 */
+
+	if (adapter->RegistryJumboPacket < 2048) {
+#ifdef USE_FBR0
+		rx_ring->Fbr0BufferSize = 256;
+		rx_ring->Fbr0NumEntries = 512;
+#endif
+		rx_ring->Fbr1BufferSize = 2048;
+		rx_ring->Fbr1NumEntries = 512;
+	} else if (adapter->RegistryJumboPacket < 4096) {
+#ifdef USE_FBR0
+		rx_ring->Fbr0BufferSize = 512;
+		rx_ring->Fbr0NumEntries = 1024;
+#endif
+		rx_ring->Fbr1BufferSize = 4096;
+		rx_ring->Fbr1NumEntries = 512;
+	} else {
+#ifdef USE_FBR0
+		rx_ring->Fbr0BufferSize = 1024;
+		rx_ring->Fbr0NumEntries = 768;
+#endif
+		rx_ring->Fbr1BufferSize = 16384;
+		rx_ring->Fbr1NumEntries = 128;
+	}
+
+#ifdef USE_FBR0
+	adapter->RxRing.PsrNumEntries = adapter->RxRing.Fbr0NumEntries +
+	    adapter->RxRing.Fbr1NumEntries;
+#else
+	adapter->RxRing.PsrNumEntries = adapter->RxRing.Fbr1NumEntries;
+#endif
+
+	/* Allocate an area of memory for Free Buffer Ring 1 */
+	bufsize = (sizeof(FBR_DESC_t) * rx_ring->Fbr1NumEntries) + 0xfff;
+	rx_ring->pFbr1RingVa = pci_alloc_consistent(adapter->pdev,
+						    bufsize,
+						    &rx_ring->pFbr1RingPa);
+	if (!rx_ring->pFbr1RingVa) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Cannot alloc memory for Free Buffer Ring 1\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	/* Save physical address
+	 *
+	 * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
+	 * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
+	 * are ever returned, make sure the high part is retrieved here
+	 * before storing the adjusted address.
+	 */
+	rx_ring->Fbr1Realpa = rx_ring->pFbr1RingPa;
+
+	/* Align Free Buffer Ring 1 on a 4K boundary */
+	et131x_align_allocated_memory(adapter,
+				      &rx_ring->Fbr1Realpa,
+				      &rx_ring->Fbr1offset, 0x0FFF);
+
+	rx_ring->pFbr1RingVa = (void *)((uint8_t *) rx_ring->pFbr1RingVa +
+					rx_ring->Fbr1offset);
+
+#ifdef USE_FBR0
+	/* Allocate an area of memory for Free Buffer Ring 0 */
+	bufsize = (sizeof(FBR_DESC_t) * rx_ring->Fbr0NumEntries) + 0xfff;
+	rx_ring->pFbr0RingVa = pci_alloc_consistent(adapter->pdev,
+						    bufsize,
+						    &rx_ring->pFbr0RingPa);
+	if (!rx_ring->pFbr0RingVa) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Cannot alloc memory for Free Buffer Ring 0\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	/* Save physical address
+	 *
+	 * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
+	 * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
+	 * are ever returned, make sure the high part is retrieved here before
+	 * storing the adjusted address.
+	 */
+	rx_ring->Fbr0Realpa = rx_ring->pFbr0RingPa;
+
+	/* Align Free Buffer Ring 0 on a 4K boundary */
+	et131x_align_allocated_memory(adapter,
+				      &rx_ring->Fbr0Realpa,
+				      &rx_ring->Fbr0offset, 0x0FFF);
+
+	rx_ring->pFbr0RingVa = (void *)((uint8_t *) rx_ring->pFbr0RingVa +
+					rx_ring->Fbr0offset);
+#endif
+
+	for (OuterLoop = 0; OuterLoop < (rx_ring->Fbr1NumEntries / FBR_CHUNKS);
+	     OuterLoop++) {
+		uint64_t Fbr1Offset;
+		uint64_t Fbr1TempPa;
+		uint32_t Fbr1Align;
+
+		/* This code allocates an area of memory big enough for N
+		 * free buffers + (buffer_size - 1) so that the buffers can
+		 * be aligned on 4k boundaries.  If each buffer were aligned
+		 * to a buffer_size boundary, the effect would be to double
+		 * the size of FBR0.  By allocating N buffers at once, we
+		 * reduce this overhead.
+		 */
+		if (rx_ring->Fbr1BufferSize > 4096) {
+			Fbr1Align = 4096;
+		} else {
+			Fbr1Align = rx_ring->Fbr1BufferSize;
+		}
+
+		FBRChunkSize =
+		    (FBR_CHUNKS * rx_ring->Fbr1BufferSize) + Fbr1Align - 1;
+		rx_ring->Fbr1MemVa[OuterLoop] =
+		    pci_alloc_consistent(adapter->pdev, FBRChunkSize,
+					 &rx_ring->Fbr1MemPa[OuterLoop]);
+
+		if (!rx_ring->Fbr1MemVa[OuterLoop]) {
+			DBG_ERROR(et131x_dbginfo, "Could not alloc memory\n");
+			DBG_LEAVE(et131x_dbginfo);
+			return -ENOMEM;
+		}
+
+		/* See NOTE in "Save Physical Address" comment above */
+		Fbr1TempPa = rx_ring->Fbr1MemPa[OuterLoop];
+
+		et131x_align_allocated_memory(adapter,
+					      &Fbr1TempPa,
+					      &Fbr1Offset, (Fbr1Align - 1));
+
+		for (InnerLoop = 0; InnerLoop < FBR_CHUNKS; InnerLoop++) {
+			uint32_t index = (OuterLoop * FBR_CHUNKS) + InnerLoop;
+
+			/* Save the Virtual address of this index for quick
+			 * access later
+			 */
+			rx_ring->Fbr[1]->Va[index] =
+			    (uint8_t *) rx_ring->Fbr1MemVa[OuterLoop] +
+			    (InnerLoop * rx_ring->Fbr1BufferSize) + Fbr1Offset;
+
+			/* now store the physical address in the descriptor
+			 * so the device can access it
+			 */
+			rx_ring->Fbr[1]->PAHigh[index] =
+			    (uint32_t) (Fbr1TempPa >> 32);
+			rx_ring->Fbr[1]->PALow[index] = (uint32_t) Fbr1TempPa;
+
+			Fbr1TempPa += rx_ring->Fbr1BufferSize;
+
+			rx_ring->Fbr[1]->Buffer1[index] =
+			    rx_ring->Fbr[1]->Va[index];
+			rx_ring->Fbr[1]->Buffer2[index] =
+			    rx_ring->Fbr[1]->Va[index] - 4;
+		}
+	}
+
+#ifdef USE_FBR0
+	/* Same for FBR0 (if in use) */
+	for (OuterLoop = 0; OuterLoop < (rx_ring->Fbr0NumEntries / FBR_CHUNKS);
+	     OuterLoop++) {
+		uint64_t Fbr0Offset;
+		uint64_t Fbr0TempPa;
+
+		FBRChunkSize = ((FBR_CHUNKS + 1) * rx_ring->Fbr0BufferSize) - 1;
+		rx_ring->Fbr0MemVa[OuterLoop] =
+		    pci_alloc_consistent(adapter->pdev, FBRChunkSize,
+					 &rx_ring->Fbr0MemPa[OuterLoop]);
+
+		if (!rx_ring->Fbr0MemVa[OuterLoop]) {
+			DBG_ERROR(et131x_dbginfo, "Could not alloc memory\n");
+			DBG_LEAVE(et131x_dbginfo);
+			return -ENOMEM;
+		}
+
+		/* See NOTE in "Save Physical Address" comment above */
+		Fbr0TempPa = rx_ring->Fbr0MemPa[OuterLoop];
+
+		et131x_align_allocated_memory(adapter,
+					      &Fbr0TempPa,
+					      &Fbr0Offset,
+					      rx_ring->Fbr0BufferSize - 1);
+
+		for (InnerLoop = 0; InnerLoop < FBR_CHUNKS; InnerLoop++) {
+			uint32_t index = (OuterLoop * FBR_CHUNKS) + InnerLoop;
+
+			rx_ring->Fbr[0]->Va[index] =
+			    (uint8_t *) rx_ring->Fbr0MemVa[OuterLoop] +
+			    (InnerLoop * rx_ring->Fbr0BufferSize) + Fbr0Offset;
+
+			rx_ring->Fbr[0]->PAHigh[index] =
+			    (uint32_t) (Fbr0TempPa >> 32);
+			rx_ring->Fbr[0]->PALow[index] = (uint32_t) Fbr0TempPa;
+
+			Fbr0TempPa += rx_ring->Fbr0BufferSize;
+
+			rx_ring->Fbr[0]->Buffer1[index] =
+			    rx_ring->Fbr[0]->Va[index];
+			rx_ring->Fbr[0]->Buffer2[index] =
+			    rx_ring->Fbr[0]->Va[index] - 4;
+		}
+	}
+#endif
+
+	/* Allocate an area of memory for FIFO of Packet Status ring entries */
+	pktStatRingSize =
+	    sizeof(PKT_STAT_DESC_t) * adapter->RxRing.PsrNumEntries;
+
+	rx_ring->pPSRingVa = pci_alloc_consistent(adapter->pdev,
+						  pktStatRingSize + 0x0fff,
+						  &rx_ring->pPSRingPa);
+
+	if (!rx_ring->pPSRingVa) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Cannot alloc memory for Packet Status Ring\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	/* Save physical address
+	 *
+	 * NOTE : pci_alloc_consistent(), used above to alloc DMA regions,
+	 * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
+	 * are ever returned, make sure the high part is retrieved here before
+	 * storing the adjusted address.
+	 */
+	rx_ring->pPSRingRealPa = rx_ring->pPSRingPa;
+
+	/* Align Packet Status Ring on a 4K boundary */
+	et131x_align_allocated_memory(adapter,
+				      &rx_ring->pPSRingRealPa,
+				      &rx_ring->pPSRingOffset, 0x0FFF);
+
+	rx_ring->pPSRingVa = (void *)((uint8_t *) rx_ring->pPSRingVa +
+				      rx_ring->pPSRingOffset);
+
+	/* Allocate an area of memory for writeback of status information */
+	rx_ring->pRxStatusVa = pci_alloc_consistent(adapter->pdev,
+						    sizeof(RX_STATUS_BLOCK_t) +
+						    0x7, &rx_ring->pRxStatusPa);
+	if (!rx_ring->pRxStatusVa) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Cannot alloc memory for Status Block\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	/* Save physical address */
+	rx_ring->RxStatusRealPA = rx_ring->pRxStatusPa;
+
+	/* Align write back on an 8 byte boundary */
+	et131x_align_allocated_memory(adapter,
+				      &rx_ring->RxStatusRealPA,
+				      &rx_ring->RxStatusOffset, 0x07);
+
+	rx_ring->pRxStatusVa = (void *)((uint8_t *) rx_ring->pRxStatusVa +
+					rx_ring->RxStatusOffset);
+	rx_ring->NumRfd = NIC_DEFAULT_NUM_RFD;
+
+	/* Recv
+	 * pci_pool_create initializes a lookaside list. After successful
+	 * creation, nonpaged fixed-size blocks can be allocated from and
+	 * freed to the lookaside list.
+	 * RFDs will be allocated from this pool.
+	 */
+	rx_ring->RecvLookaside = kmem_cache_create(adapter->netdev->name,
+						   sizeof(MP_RFD),
+						   0,
+						   SLAB_CACHE_DMA |
+						   SLAB_HWCACHE_ALIGN,
+						   NULL);
+
+	MP_SET_FLAG(adapter, fMP_ADAPTER_RECV_LOOKASIDE);
+
+	/* The RFDs are going to be put on lists later on, so initialize the
+	 * lists now.
+	 */
+	INIT_LIST_HEAD(&rx_ring->RecvList);
+	INIT_LIST_HEAD(&rx_ring->RecvPendingList);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return 0;
+}
+
+/**
+ * et131x_rx_dma_memory_free - Free all memory allocated within this module.
+ * @adapter: pointer to our private adapter structure
+ */
+void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
+{
+	uint32_t index;
+	uint32_t bufsize;
+	uint32_t pktStatRingSize;
+	PMP_RFD pMpRfd;
+	RX_RING_t *rx_ring;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Setup some convenience pointers */
+	rx_ring = (RX_RING_t *) & adapter->RxRing;
+
+	/* Free RFDs and associated packet descriptors */
+	DBG_ASSERT(rx_ring->nReadyRecv == rx_ring->NumRfd);
+
+	while (!list_empty(&rx_ring->RecvList)) {
+		pMpRfd = (MP_RFD *) list_entry(rx_ring->RecvList.next,
+					       MP_RFD, list_node);
+
+		list_del(&pMpRfd->list_node);
+		et131x_rfd_resources_free(adapter, pMpRfd);
+	}
+
+	while (!list_empty(&rx_ring->RecvPendingList)) {
+		pMpRfd = (MP_RFD *) list_entry(rx_ring->RecvPendingList.next,
+					       MP_RFD, list_node);
+		list_del(&pMpRfd->list_node);
+		et131x_rfd_resources_free(adapter, pMpRfd);
+	}
+
+	/* Free Free Buffer Ring 1 */
+	if (rx_ring->pFbr1RingVa) {
+		/* First the packet memory */
+		for (index = 0; index <
+		     (rx_ring->Fbr1NumEntries / FBR_CHUNKS); index++) {
+			if (rx_ring->Fbr1MemVa[index]) {
+				uint32_t Fbr1Align;
+
+				if (rx_ring->Fbr1BufferSize > 4096) {
+					Fbr1Align = 4096;
+				} else {
+					Fbr1Align = rx_ring->Fbr1BufferSize;
+				}
+
+				bufsize =
+				    (rx_ring->Fbr1BufferSize * FBR_CHUNKS) +
+				    Fbr1Align - 1;
+
+				pci_free_consistent(adapter->pdev,
+						    bufsize,
+						    rx_ring->Fbr1MemVa[index],
+						    rx_ring->Fbr1MemPa[index]);
+
+				rx_ring->Fbr1MemVa[index] = NULL;
+			}
+		}
+
+		/* Now the FIFO itself */
+		rx_ring->pFbr1RingVa = (void *)((uint8_t *) rx_ring->pFbr1RingVa -
+						rx_ring->Fbr1offset);
+
+		bufsize =
+		    (sizeof(FBR_DESC_t) * rx_ring->Fbr1NumEntries) + 0xfff;
+
+		pci_free_consistent(adapter->pdev,
+				    bufsize,
+				    rx_ring->pFbr1RingVa, rx_ring->pFbr1RingPa);
+
+		rx_ring->pFbr1RingVa = NULL;
+	}
+
+#ifdef USE_FBR0
+	/* Now the same for Free Buffer Ring 0 */
+	if (rx_ring->pFbr0RingVa) {
+		/* First the packet memory */
+		for (index = 0; index <
+		     (rx_ring->Fbr0NumEntries / FBR_CHUNKS); index++) {
+			if (rx_ring->Fbr0MemVa[index]) {
+				bufsize =
+				    (rx_ring->Fbr0BufferSize *
+				     (FBR_CHUNKS + 1)) - 1;
+
+				pci_free_consistent(adapter->pdev,
+						    bufsize,
+						    rx_ring->Fbr0MemVa[index],
+						    rx_ring->Fbr0MemPa[index]);
+
+				rx_ring->Fbr0MemVa[index] = NULL;
+			}
+		}
+
+		/* Now the FIFO itself */
+		rx_ring->pFbr0RingVa = (void *)((uint8_t *) rx_ring->pFbr0RingVa -
+						rx_ring->Fbr0offset);
+
+		bufsize =
+		    (sizeof(FBR_DESC_t) * rx_ring->Fbr0NumEntries) + 0xfff;
+
+		pci_free_consistent(adapter->pdev,
+				    bufsize,
+				    rx_ring->pFbr0RingVa, rx_ring->pFbr0RingPa);
+
+		rx_ring->pFbr0RingVa = NULL;
+	}
+#endif
+
+	/* Free Packet Status Ring */
+	if (rx_ring->pPSRingVa) {
+		rx_ring->pPSRingVa = (void *)((uint8_t *) rx_ring->pPSRingVa -
+					      rx_ring->pPSRingOffset);
+
+		pktStatRingSize =
+		    sizeof(PKT_STAT_DESC_t) * adapter->RxRing.PsrNumEntries;
+
+		pci_free_consistent(adapter->pdev,
+				    pktStatRingSize + 0x0fff,
+				    rx_ring->pPSRingVa, rx_ring->pPSRingPa);
+
+		rx_ring->pPSRingVa = NULL;
+	}
+
+	/* Free area of memory for the writeback of status information */
+	if (rx_ring->pRxStatusVa) {
+		rx_ring->pRxStatusVa = (void *)((uint8_t *) rx_ring->pRxStatusVa -
+						rx_ring->RxStatusOffset);
+
+		pci_free_consistent(adapter->pdev,
+				    sizeof(RX_STATUS_BLOCK_t) + 0x7,
+				    rx_ring->pRxStatusVa, rx_ring->pRxStatusPa);
+
+		rx_ring->pRxStatusVa = NULL;
+	}
+
+	/* Free receive buffer pool */
+
+	/* Free receive packet pool */
+
+	/* Destroy the lookaside (RFD) pool */
+	if (MP_TEST_FLAG(adapter, fMP_ADAPTER_RECV_LOOKASIDE)) {
+		kmem_cache_destroy(rx_ring->RecvLookaside);
+		MP_CLEAR_FLAG(adapter, fMP_ADAPTER_RECV_LOOKASIDE);
+	}
+
+	/* Free the FBR Lookup Table */
+#ifdef USE_FBR0
+	kfree(rx_ring->Fbr[0]);
+#endif
+
+	kfree(rx_ring->Fbr[1]);
+
+	/* Reset Counters */
+	rx_ring->nReadyRecv = 0;
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_init_recv - Initialize receive data structures.
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success and errno on failure (as defined in errno.h)
+ */
+int et131x_init_recv(struct et131x_adapter *adapter)
+{
+	int status = -ENOMEM;
+	PMP_RFD pMpRfd = NULL;
+	uint32_t RfdCount;
+	uint32_t TotalNumRfd = 0;
+	RX_RING_t *rx_ring = NULL;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Setup some convenience pointers */
+	rx_ring = (RX_RING_t *) & adapter->RxRing;
+
+	/* Setup each RFD */
+	for (RfdCount = 0; RfdCount < rx_ring->NumRfd; RfdCount++) {
+		pMpRfd = (MP_RFD *) kmem_cache_alloc(rx_ring->RecvLookaside,
+						     GFP_ATOMIC | GFP_DMA);
+
+		if (!pMpRfd) {
+			DBG_ERROR(et131x_dbginfo,
+				  "Couldn't alloc RFD out of kmem_cache\n");
+			status = -ENOMEM;
+			continue;
+		}
+
+		status = et131x_rfd_resources_alloc(adapter, pMpRfd);
+		if (status != 0) {
+			DBG_ERROR(et131x_dbginfo,
+				  "Couldn't alloc packet for RFD\n");
+			kmem_cache_free(rx_ring->RecvLookaside, pMpRfd);
+			continue;
+		}
+
+		/* Add this RFD to the RecvList */
+		list_add_tail(&pMpRfd->list_node, &rx_ring->RecvList);
+
+		/* Increment both the available RFD's, and the total RFD's. */
+		rx_ring->nReadyRecv++;
+		TotalNumRfd++;
+	}
+
+	if (TotalNumRfd > NIC_MIN_NUM_RFD) {
+		status = 0;
+	}
+
+	rx_ring->NumRfd = TotalNumRfd;
+
+	if (status != 0) {
+		kmem_cache_free(rx_ring->RecvLookaside, pMpRfd);
+		DBG_ERROR(et131x_dbginfo,
+			  "Allocation problems in et131x_init_recv\n");
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_rfd_resources_alloc
+ * @adapter: pointer to our private adapter structure
+ * @pMpRfd: pointer to a RFD
+ *
+ * Returns 0 on success and errno on failure (as defined in errno.h)
+ */
+int et131x_rfd_resources_alloc(struct et131x_adapter *adapter, MP_RFD *pMpRfd)
+{
+	pMpRfd->Packet = NULL;
+
+	return 0;
+}
+
+/**
+ * et131x_rfd_resources_free - Free the packet allocated for the given RFD
+ * @adapter: pointer to our private adapter structure
+ * @pMpRfd: pointer to a RFD
+ */
+void et131x_rfd_resources_free(struct et131x_adapter *adapter, MP_RFD *pMpRfd)
+{
+	pMpRfd->Packet = NULL;
+	kmem_cache_free(adapter->RxRing.RecvLookaside, pMpRfd);
+}
+
+/**
+ * ConfigRxDmaRegs - Start of Rx_DMA init sequence
+ * @pAdapter: pointer to our adapter structure
+ */
+void ConfigRxDmaRegs(struct et131x_adapter *pAdapter)
+{
+	struct _RXDMA_t __iomem *pRxDma = &pAdapter->CSRAddress->rxdma;
+	struct _rx_ring_t *pRxLocal = &pAdapter->RxRing;
+	PFBR_DESC_t pFbrEntry;
+	uint32_t iEntry;
+	RXDMA_PSR_NUM_DES_t psr_num_des;
+	unsigned long lockflags;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Halt RXDMA to perform the reconfigure.  */
+	et131x_rx_dma_disable(pAdapter);
+
+	/* Load the completion writeback physical address
+	 *
+	 * NOTE : pci_alloc_consistent(), used above to alloc DMA regions,
+	 * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
+	 * are ever returned, make sure the high part is retrieved here
+	 * before storing the adjusted address.
+	 */
+	writel((uint32_t) (pRxLocal->RxStatusRealPA >> 32),
+	       &pRxDma->dma_wb_base_hi);
+	writel((uint32_t) pRxLocal->RxStatusRealPA, &pRxDma->dma_wb_base_lo);
+
+	memset(pRxLocal->pRxStatusVa, 0, sizeof(RX_STATUS_BLOCK_t));
+
+	/* Set the address and parameters of the packet status ring into the
+	 * 1310's registers
+	 */
+	writel((uint32_t) (pRxLocal->pPSRingRealPa >> 32),
+	       &pRxDma->psr_base_hi);
+	writel((uint32_t) pRxLocal->pPSRingRealPa, &pRxDma->psr_base_lo);
+	writel(pRxLocal->PsrNumEntries - 1, &pRxDma->psr_num_des.value);
+	writel(0, &pRxDma->psr_full_offset.value);
+
+	psr_num_des.value = readl(&pRxDma->psr_num_des.value);
+	writel((psr_num_des.bits.psr_ndes * LO_MARK_PERCENT_FOR_PSR) / 100,
+	       &pRxDma->psr_min_des.value);
+
+	spin_lock_irqsave(&pAdapter->RcvLock, lockflags);
+
+	/* These local variables track the PSR in the adapter structure */
+	pRxLocal->local_psr_full.bits.psr_full = 0;
+	pRxLocal->local_psr_full.bits.psr_full_wrap = 0;
+
+	/* Now's the best time to initialize FBR1 contents */
+	pFbrEntry = (PFBR_DESC_t) pRxLocal->pFbr1RingVa;
+	for (iEntry = 0; iEntry < pRxLocal->Fbr1NumEntries; iEntry++) {
+		pFbrEntry->addr_hi = pRxLocal->Fbr[1]->PAHigh[iEntry];
+		pFbrEntry->addr_lo = pRxLocal->Fbr[1]->PALow[iEntry];
+		pFbrEntry->word2.bits.bi = iEntry;
+		pFbrEntry++;
+	}
+
+	/* Set the address and parameters of Free buffer ring 1 (and 0 if
+	 * required) into the 1310's registers
+	 */
+	writel((uint32_t) (pRxLocal->Fbr1Realpa >> 32), &pRxDma->fbr1_base_hi);
+	writel((uint32_t) pRxLocal->Fbr1Realpa, &pRxDma->fbr1_base_lo);
+	writel(pRxLocal->Fbr1NumEntries - 1, &pRxDma->fbr1_num_des.value);
+
+	{
+		DMA10W_t fbr1_full = { 0 };
+
+		fbr1_full.bits.val = 0;
+		fbr1_full.bits.wrap = 1;
+		writel(fbr1_full.value, &pRxDma->fbr1_full_offset.value);
+	}
+
+	/* This variable tracks the free buffer ring 1 full position, so it
+	 * has to match the above.
+	 */
+	pRxLocal->local_Fbr1_full.bits.val = 0;
+	pRxLocal->local_Fbr1_full.bits.wrap = 1;
+	writel(((pRxLocal->Fbr1NumEntries * LO_MARK_PERCENT_FOR_RX) / 100) - 1,
+	       &pRxDma->fbr1_min_des.value);
+
+#ifdef USE_FBR0
+	/* Now's the best time to initialize FBR0 contents */
+	pFbrEntry = (PFBR_DESC_t) pRxLocal->pFbr0RingVa;
+	for (iEntry = 0; iEntry < pRxLocal->Fbr0NumEntries; iEntry++) {
+		pFbrEntry->addr_hi = pRxLocal->Fbr[0]->PAHigh[iEntry];
+		pFbrEntry->addr_lo = pRxLocal->Fbr[0]->PALow[iEntry];
+		pFbrEntry->word2.bits.bi = iEntry;
+		pFbrEntry++;
+	}
+
+	writel((uint32_t) (pRxLocal->Fbr0Realpa >> 32), &pRxDma->fbr0_base_hi);
+	writel((uint32_t) pRxLocal->Fbr0Realpa, &pRxDma->fbr0_base_lo);
+	writel(pRxLocal->Fbr0NumEntries - 1, &pRxDma->fbr0_num_des.value);
+
+	{
+		DMA10W_t fbr0_full = { 0 };
+
+		fbr0_full.bits.val = 0;
+		fbr0_full.bits.wrap = 1;
+		writel(fbr0_full.value, &pRxDma->fbr0_full_offset.value);
+	}
+
+	/* This variable tracks the free buffer ring 0 full position, so it
+	 * has to match the above.
+	 */
+	pRxLocal->local_Fbr0_full.bits.val = 0;
+	pRxLocal->local_Fbr0_full.bits.wrap = 1;
+	writel(((pRxLocal->Fbr0NumEntries * LO_MARK_PERCENT_FOR_RX) / 100) - 1,
+	       &pRxDma->fbr0_min_des.value);
+#endif
+
+	/* Program the number of packets we will receive before generating an
+	 * interrupt.
+	 * For version B silicon, this value gets updated once autoneg is
+	 *complete.
+	 */
+	writel(pAdapter->RegistryRxNumBuffers, &pRxDma->num_pkt_done.value);
+
+	/* The "time_done" is not working correctly to coalesce interrupts
+	 * after a given time period, but rather is giving us an interrupt
+	 * regardless of whether we have received packets.
+	 * This value gets updated once autoneg is complete.
+	 */
+	writel(pAdapter->RegistryRxTimeInterval, &pRxDma->max_pkt_time.value);
+
+	spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * SetRxDmaTimer - Set the heartbeat timer according to line rate.
+ * @pAdapter: pointer to our adapter structure
+ */
+void SetRxDmaTimer(struct et131x_adapter *pAdapter)
+{
+	/* For version B silicon, we do not use the RxDMA timer for 10 and 100
+	 * Mbits/s line rates. We do not enable and RxDMA interrupt coalescing.
+	 */
+	if ((pAdapter->uiLinkSpeed == TRUEPHY_SPEED_100MBPS) ||
+	    (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_10MBPS)) {
+		writel(0, &pAdapter->CSRAddress->rxdma.max_pkt_time.value);
+		writel(1, &pAdapter->CSRAddress->rxdma.num_pkt_done.value);
+	}
+}
+
+/**
+ * et131x_rx_dma_disable - Stop of Rx_DMA on the ET1310
+ * @pAdapter: pointer to our adapter structure
+ */
+void et131x_rx_dma_disable(struct et131x_adapter *pAdapter)
+{
+	RXDMA_CSR_t csr;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Setup the receive dma configuration register */
+	writel(0x00002001, &pAdapter->CSRAddress->rxdma.csr.value);
+	csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value);
+	if (csr.bits.halt_status != 1) {
+		udelay(5);
+		csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value);
+		if (csr.bits.halt_status != 1) {
+			DBG_ERROR(et131x_dbginfo,
+				  "RX Dma failed to enter halt state. CSR 0x%08x\n",
+				  csr.value);
+		}
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_rx_dma_enable - re-start of Rx_DMA on the ET1310.
+ * @pAdapter: pointer to our adapter structure
+ */
+void et131x_rx_dma_enable(struct et131x_adapter *pAdapter)
+{
+	DBG_RX_ENTER(et131x_dbginfo);
+
+	if (pAdapter->RegistryPhyLoopbk) {
+	/* RxDMA is disabled for loopback operation. */
+		writel(0x1, &pAdapter->CSRAddress->rxdma.csr.value);
+	} else {
+	/* Setup the receive dma configuration register for normal operation */
+		RXDMA_CSR_t csr = { 0 };
+
+		csr.bits.fbr1_enable = 1;
+		if (pAdapter->RxRing.Fbr1BufferSize == 4096) {
+			csr.bits.fbr1_size = 1;
+		} else if (pAdapter->RxRing.Fbr1BufferSize == 8192) {
+			csr.bits.fbr1_size = 2;
+		} else if (pAdapter->RxRing.Fbr1BufferSize == 16384) {
+			csr.bits.fbr1_size = 3;
+		}
+#ifdef USE_FBR0
+		csr.bits.fbr0_enable = 1;
+		if (pAdapter->RxRing.Fbr0BufferSize == 256) {
+			csr.bits.fbr0_size = 1;
+		} else if (pAdapter->RxRing.Fbr0BufferSize == 512) {
+			csr.bits.fbr0_size = 2;
+		} else if (pAdapter->RxRing.Fbr0BufferSize == 1024) {
+			csr.bits.fbr0_size = 3;
+		}
+#endif
+		writel(csr.value, &pAdapter->CSRAddress->rxdma.csr.value);
+
+		csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value);
+		if (csr.bits.halt_status != 0) {
+			udelay(5);
+			csr.value = readl(&pAdapter->CSRAddress->rxdma.csr.value);
+			if (csr.bits.halt_status != 0) {
+				DBG_ERROR(et131x_dbginfo,
+					  "RX Dma failed to exit halt state.  CSR 0x%08x\n",
+					  csr.value);
+			}
+		}
+	}
+
+	DBG_RX_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * nic_rx_pkts - Checks the hardware for available packets
+ * @pAdapter: pointer to our adapter
+ *
+ * Returns pMpRfd, a pointer to our MPRFD.
+ *
+ * Checks the hardware for available packets, using completion ring
+ * If packets are available, it gets an RFD from the RecvList, attaches
+ * the packet to it, puts the RFD in the RecvPendList, and also returns
+ * the pointer to the RFD.
+ */
+PMP_RFD nic_rx_pkts(struct et131x_adapter *pAdapter)
+{
+	struct _rx_ring_t *pRxLocal = &pAdapter->RxRing;
+	PRX_STATUS_BLOCK_t pRxStatusBlock;
+	PPKT_STAT_DESC_t pPSREntry;
+	PMP_RFD pMpRfd;
+	uint32_t nIndex;
+	uint8_t *pBufVa;
+	unsigned long lockflags;
+	struct list_head *element;
+	uint8_t ringIndex;
+	uint16_t bufferIndex;
+	uint32_t localLen;
+	PKT_STAT_DESC_WORD0_t Word0;
+
+
+	DBG_RX_ENTER(et131x_dbginfo);
+
+	/* RX Status block is written by the DMA engine prior to every
+	 * interrupt. It contains the next to be used entry in the Packet
+	 * Status Ring, and also the two Free Buffer rings.
+	 */
+	pRxStatusBlock = (PRX_STATUS_BLOCK_t) pRxLocal->pRxStatusVa;
+
+	if (pRxStatusBlock->Word1.bits.PSRoffset ==
+			pRxLocal->local_psr_full.bits.psr_full &&
+	    pRxStatusBlock->Word1.bits.PSRwrap ==
+	    		pRxLocal->local_psr_full.bits.psr_full_wrap) {
+		/* Looks like this ring is not updated yet */
+		DBG_RX(et131x_dbginfo, "(0)\n");
+		DBG_RX_LEAVE(et131x_dbginfo);
+		return NULL;
+	}
+
+	/* The packet status ring indicates that data is available. */
+	pPSREntry = (PPKT_STAT_DESC_t) (pRxLocal->pPSRingVa) +
+			pRxLocal->local_psr_full.bits.psr_full;
+
+	/* Grab any information that is required once the PSR is
+	 * advanced, since we can no longer rely on the memory being
+	 * accurate
+	 */
+	localLen = pPSREntry->word1.bits.length;
+	ringIndex = (uint8_t) pPSREntry->word1.bits.ri;
+	bufferIndex = (uint16_t) pPSREntry->word1.bits.bi;
+	Word0 = pPSREntry->word0;
+
+	DBG_RX(et131x_dbginfo, "RX PACKET STATUS\n");
+	DBG_RX(et131x_dbginfo, "\tlength      : %d\n", localLen);
+	DBG_RX(et131x_dbginfo, "\tringIndex   : %d\n", ringIndex);
+	DBG_RX(et131x_dbginfo, "\tbufferIndex : %d\n", bufferIndex);
+	DBG_RX(et131x_dbginfo, "\tword0       : 0x%08x\n", Word0.value);
+
+#if 0
+	/* Check the Status Word that the MAC has appended to the PSR
+	 * entry in case the MAC has detected errors.
+	 */
+	if (Word0.value & ALCATEL_BAD_STATUS) {
+		DBG_ERROR(et131x_dbginfo,
+			  "NICRxPkts >> Alcatel Status Word error."
+			  "Value 0x%08x\n", pPSREntry->word0.value);
+	}
+#endif
+
+	/* Indicate that we have used this PSR entry. */
+	if (++pRxLocal->local_psr_full.bits.psr_full >
+	    pRxLocal->PsrNumEntries - 1) {
+		pRxLocal->local_psr_full.bits.psr_full = 0;
+		pRxLocal->local_psr_full.bits.psr_full_wrap ^= 1;
+	}
+
+	writel(pRxLocal->local_psr_full.value,
+	       &pAdapter->CSRAddress->rxdma.psr_full_offset.value);
+
+#ifndef USE_FBR0
+	if (ringIndex != 1) {
+		DBG_ERROR(et131x_dbginfo,
+			  "NICRxPkts PSR Entry %d indicates "
+			  "Buffer Ring 0 in use\n",
+			  pRxLocal->local_psr_full.bits.psr_full);
+		DBG_RX_LEAVE(et131x_dbginfo);
+		return NULL;
+	}
+#endif
+
+#ifdef USE_FBR0
+	if (ringIndex > 1 ||
+	    (ringIndex == 0 &&
+	     bufferIndex > pRxLocal->Fbr0NumEntries - 1) ||
+	    (ringIndex == 1 &&
+	     bufferIndex > pRxLocal->Fbr1NumEntries - 1))
+#else
+	if (ringIndex != 1 ||
+	    bufferIndex > pRxLocal->Fbr1NumEntries - 1)
+#endif
+	{
+		/* Illegal buffer or ring index cannot be used by S/W*/
+		DBG_ERROR(et131x_dbginfo,
+			  "NICRxPkts PSR Entry %d indicates "
+			  "length of %d and/or bad bi(%d)\n",
+			  pRxLocal->local_psr_full.bits.psr_full,
+			  localLen, bufferIndex);
+		DBG_RX_LEAVE(et131x_dbginfo);
+		return NULL;
+	}
+
+	/* Get and fill the RFD. */
+	spin_lock_irqsave(&pAdapter->RcvLock, lockflags);
+
+	pMpRfd = NULL;
+	element = pRxLocal->RecvList.next;
+	pMpRfd = (PMP_RFD) list_entry(element, MP_RFD, list_node);
+
+	if (pMpRfd == NULL) {
+		DBG_RX(et131x_dbginfo,
+		       "NULL RFD returned from RecvList via list_entry()\n");
+		DBG_RX_LEAVE(et131x_dbginfo);
+		spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags);
+		return NULL;
+	}
+
+	list_del(&pMpRfd->list_node);
+	pRxLocal->nReadyRecv--;
+
+	spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags);
+
+	pMpRfd->iBufferIndex = bufferIndex;
+	pMpRfd->iRingIndex = ringIndex;
+
+	/* In V1 silicon, there is a bug which screws up filtering of
+	 * runt packets.  Therefore runt packet filtering is disabled
+	 * in the MAC and the packets are dropped here.  They are
+	 * also counted here.
+	 */
+	if (localLen < (NIC_MIN_PACKET_SIZE + 4)) {
+		pAdapter->Stats.other_errors++;
+		localLen = 0;
+	}
+
+	if (localLen) {
+		if (pAdapter->ReplicaPhyLoopbk == 1) {
+			pBufVa = pRxLocal->Fbr[ringIndex]->Va[bufferIndex];
+
+			if (memcmp(&pBufVa[6], &pAdapter->CurrentAddress[0],
+				   ETH_ALEN) == 0) {
+				if (memcmp(&pBufVa[42], "Replica packet",
+					   ETH_HLEN)) {
+					pAdapter->ReplicaPhyLoopbkPF = 1;
+				}
+			}
+			DBG_WARNING(et131x_dbginfo,
+				    "pBufVa:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
+				    pBufVa[6], pBufVa[7], pBufVa[8],
+				    pBufVa[9], pBufVa[10], pBufVa[11]);
+
+			DBG_WARNING(et131x_dbginfo,
+				    "CurrentAddr:\t%02x:%02x:%02x:%02x:%02x:%02x\n",
+				    pAdapter->CurrentAddress[0],
+				    pAdapter->CurrentAddress[1],
+				    pAdapter->CurrentAddress[2],
+				    pAdapter->CurrentAddress[3],
+				    pAdapter->CurrentAddress[4],
+				    pAdapter->CurrentAddress[5]);
+		}
+
+		/* Determine if this is a multicast packet coming in */
+		if ((Word0.value & ALCATEL_MULTICAST_PKT) &&
+		    !(Word0.value & ALCATEL_BROADCAST_PKT)) {
+			/* Promiscuous mode and Multicast mode are
+			 * not mutually exclusive as was first
+			 * thought.  I guess Promiscuous is just
+			 * considered a super-set of the other
+			 * filters. Generally filter is 0x2b when in
+			 * promiscuous mode.
+			 */
+			if ((pAdapter->PacketFilter & ET131X_PACKET_TYPE_MULTICAST)
+			    && !(pAdapter->PacketFilter & ET131X_PACKET_TYPE_PROMISCUOUS)
+			    && !(pAdapter->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST)) {
+				pBufVa = pRxLocal->Fbr[ringIndex]->
+						Va[bufferIndex];
+
+				/* Loop through our list to see if the
+				 * destination address of this packet
+				 * matches one in our list.
+				 */
+				for (nIndex = 0;
+				     nIndex < pAdapter->MCAddressCount;
+				     nIndex++) {
+					if (pBufVa[0] ==
+					    pAdapter->MCList[nIndex][0]
+					    && pBufVa[1] ==
+					    pAdapter->MCList[nIndex][1]
+					    && pBufVa[2] ==
+					    pAdapter->MCList[nIndex][2]
+					    && pBufVa[3] ==
+					    pAdapter->MCList[nIndex][3]
+					    && pBufVa[4] ==
+					    pAdapter->MCList[nIndex][4]
+					    && pBufVa[5] ==
+					    pAdapter->MCList[nIndex][5]) {
+						break;
+					}
+				}
+
+				/* If our index is equal to the number
+				 * of Multicast address we have, then
+				 * this means we did not find this
+				 * packet's matching address in our
+				 * list.  Set the PacketSize to zero,
+				 * so we free our RFD when we return
+				 * from this function.
+				 */
+				if (nIndex == pAdapter->MCAddressCount) {
+					localLen = 0;
+				}
+			}
+
+			if (localLen > 0) {
+				pAdapter->Stats.multircv++;
+			}
+		} else if (Word0.value & ALCATEL_BROADCAST_PKT) {
+			pAdapter->Stats.brdcstrcv++;
+		} else {
+			/* Not sure what this counter measures in
+			 * promiscuous mode. Perhaps we should check
+			 * the MAC address to see if it is directed
+			 * to us in promiscuous mode.
+			 */
+			pAdapter->Stats.unircv++;
+		}
+	}
+
+	if (localLen > 0) {
+		struct sk_buff *skb = NULL;
+
+		//pMpRfd->PacketSize = localLen - 4;
+		pMpRfd->PacketSize = localLen;
+
+		skb = dev_alloc_skb(pMpRfd->PacketSize + 2);
+		if (!skb) {
+			DBG_ERROR(et131x_dbginfo,
+				  "Couldn't alloc an SKB for Rx\n");
+			DBG_RX_LEAVE(et131x_dbginfo);
+			return NULL;
+		}
+
+		pAdapter->net_stats.rx_bytes += pMpRfd->PacketSize;
+
+		memcpy(skb_put(skb, pMpRfd->PacketSize),
+		       pRxLocal->Fbr[ringIndex]->Va[bufferIndex],
+		       pMpRfd->PacketSize);
+
+		skb->dev = pAdapter->netdev;
+		skb->protocol = eth_type_trans(skb, pAdapter->netdev);
+		skb->ip_summed = CHECKSUM_NONE;
+
+		netif_rx(skb);
+	} else {
+		pMpRfd->PacketSize = 0;
+	}
+
+	nic_return_rfd(pAdapter, pMpRfd);
+
+	DBG_RX(et131x_dbginfo, "(1)\n");
+	DBG_RX_LEAVE(et131x_dbginfo);
+	return pMpRfd;
+}
+
+/**
+ * et131x_reset_recv - Reset the receive list
+ * @pAdapter: pointer to our adapter
+ *
+ * Assumption, Rcv spinlock has been acquired.
+ */
+void et131x_reset_recv(struct et131x_adapter *pAdapter)
+{
+	PMP_RFD pMpRfd;
+	struct list_head *element;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	DBG_ASSERT(!list_empty(&pAdapter->RxRing.RecvList));
+
+	/* Take all the RFD's from the pending list, and stick them on the
+	 * RecvList.
+	 */
+	while (!list_empty(&pAdapter->RxRing.RecvPendingList)) {
+		element = pAdapter->RxRing.RecvPendingList.next;
+
+		pMpRfd = (PMP_RFD) list_entry(element, MP_RFD, list_node);
+
+		list_del(&pMpRfd->list_node);
+		list_add_tail(&pMpRfd->list_node, &pAdapter->RxRing.RecvList);
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_handle_recv_interrupt - Interrupt handler for receive processing
+ * @pAdapter: pointer to our adapter
+ *
+ * Assumption, Rcv spinlock has been acquired.
+ */
+void et131x_handle_recv_interrupt(struct et131x_adapter *pAdapter)
+{
+	PMP_RFD pMpRfd = NULL;
+	struct sk_buff *PacketArray[NUM_PACKETS_HANDLED];
+	PMP_RFD RFDFreeArray[NUM_PACKETS_HANDLED];
+	uint32_t PacketArrayCount = 0;
+	uint32_t PacketsToHandle;
+	uint32_t PacketFreeCount = 0;
+	bool TempUnfinishedRec = false;
+
+	DBG_RX_ENTER(et131x_dbginfo);
+
+	PacketsToHandle = NUM_PACKETS_HANDLED;
+
+	/* Process up to available RFD's */
+	while (PacketArrayCount < PacketsToHandle) {
+		if (list_empty(&pAdapter->RxRing.RecvList)) {
+			DBG_ASSERT(pAdapter->RxRing.nReadyRecv == 0);
+			DBG_ERROR(et131x_dbginfo, "NO RFD's !!!!!!!!!!!!!\n");
+			TempUnfinishedRec = true;
+			break;
+		}
+
+		pMpRfd = nic_rx_pkts(pAdapter);
+
+		if (pMpRfd == NULL) {
+			break;
+		}
+
+		/* Do not receive any packets until a filter has been set.
+		 * Do not receive any packets until we are at D0.
+		 * Do not receive any packets until we have link.
+		 * If length is zero, return the RFD in order to advance the
+		 * Free buffer ring.
+		 */
+		if ((!pAdapter->PacketFilter) ||
+		    (pAdapter->PoMgmt.PowerState != NdisDeviceStateD0) ||
+		    (!MP_LINK_DETECTED(pAdapter)) ||
+		    (pMpRfd->PacketSize == 0)) {
+			continue;
+		}
+
+		/* Increment the number of packets we received */
+		pAdapter->Stats.ipackets++;
+
+		/* Set the status on the packet, either resources or success */
+		if (pAdapter->RxRing.nReadyRecv >= RFD_LOW_WATER_MARK) {
+			/* Put this RFD on the pending list
+			 *
+			 * NOTE: nic_rx_pkts() above is already returning the
+			 * RFD to the RecvList, so don't additionally do that
+			 * here.
+			 * Besides, we don't really need (at this point) the
+			 * pending list anyway.
+			 */
+			//spin_lock_irqsave( &pAdapter->RcvPendLock, lockflags );
+			//list_add_tail( &pMpRfd->list_node, &pAdapter->RxRing.RecvPendingList );
+			//spin_unlock_irqrestore( &pAdapter->RcvPendLock, lockflags );
+
+			/* Update the number of outstanding Recvs */
+			//MP_INC_RCV_REF( pAdapter );
+		} else {
+			RFDFreeArray[PacketFreeCount] = pMpRfd;
+			PacketFreeCount++;
+
+			DBG_WARNING(et131x_dbginfo,
+				    "RFD's are running out !!!!!!!!!!!!!\n");
+		}
+
+		PacketArray[PacketArrayCount] = pMpRfd->Packet;
+		PacketArrayCount++;
+	}
+
+	if ((PacketArrayCount == NUM_PACKETS_HANDLED) || TempUnfinishedRec) {
+		pAdapter->RxRing.UnfinishedReceives = true;
+		writel(pAdapter->RegistryTxTimeInterval * NANO_IN_A_MICRO,
+		       &pAdapter->CSRAddress->global.watchdog_timer);
+	} else {
+		/* Watchdog timer will disable itself if appropriate. */
+		pAdapter->RxRing.UnfinishedReceives = false;
+	}
+
+	DBG_RX_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * NICReturnRFD - Recycle a RFD and put it back onto the receive list
+ * @pAdapter: pointer to our adapter
+ * @pMpRfd: pointer to the RFD
+ */
+void nic_return_rfd(struct et131x_adapter *pAdapter, PMP_RFD pMpRfd)
+{
+	struct _rx_ring_t *pRxLocal = &pAdapter->RxRing;
+	struct _RXDMA_t __iomem *pRxDma = &pAdapter->CSRAddress->rxdma;
+	uint16_t bi = pMpRfd->iBufferIndex;
+	uint8_t ri = pMpRfd->iRingIndex;
+	unsigned long lockflags;
+
+	DBG_RX_ENTER(et131x_dbginfo);
+
+	/* We don't use any of the OOB data besides status. Otherwise, we
+	 * need to clean up OOB data
+	 */
+	if (
+#ifdef USE_FBR0
+	    (ri == 0 && bi < pRxLocal->Fbr0NumEntries) ||
+#endif
+	    (ri == 1 && bi < pRxLocal->Fbr1NumEntries)) {
+		spin_lock_irqsave(&pAdapter->FbrLock, lockflags);
+
+		if (ri == 1) {
+			PFBR_DESC_t pNextDesc =
+			    (PFBR_DESC_t) (pRxLocal->pFbr1RingVa) +
+			    pRxLocal->local_Fbr1_full.bits.val;
+
+			/* Handle the Free Buffer Ring advancement here. Write
+			 * the PA / Buffer Index for the returned buffer into
+			 * the oldest (next to be freed)FBR entry
+			 */
+			pNextDesc->addr_hi = pRxLocal->Fbr[1]->PAHigh[bi];
+			pNextDesc->addr_lo = pRxLocal->Fbr[1]->PALow[bi];
+			pNextDesc->word2.value = bi;
+
+			if (++pRxLocal->local_Fbr1_full.bits.val >
+			    (pRxLocal->Fbr1NumEntries - 1)) {
+				pRxLocal->local_Fbr1_full.bits.val = 0;
+				pRxLocal->local_Fbr1_full.bits.wrap ^= 1;
+			}
+
+			writel(pRxLocal->local_Fbr1_full.value,
+			       &pRxDma->fbr1_full_offset.value);
+		}
+#ifdef USE_FBR0
+		else {
+			PFBR_DESC_t pNextDesc =
+			    (PFBR_DESC_t) pRxLocal->pFbr0RingVa +
+			    pRxLocal->local_Fbr0_full.bits.val;
+
+			/* Handle the Free Buffer Ring advancement here. Write
+			 * the PA / Buffer Index for the returned buffer into
+			 * the oldest (next to be freed) FBR entry
+			 */
+			pNextDesc->addr_hi = pRxLocal->Fbr[0]->PAHigh[bi];
+			pNextDesc->addr_lo = pRxLocal->Fbr[0]->PALow[bi];
+			pNextDesc->word2.value = bi;
+
+			if (++pRxLocal->local_Fbr0_full.bits.val >
+			    (pRxLocal->Fbr0NumEntries - 1)) {
+				pRxLocal->local_Fbr0_full.bits.val = 0;
+				pRxLocal->local_Fbr0_full.bits.wrap ^= 1;
+			}
+
+			writel(pRxLocal->local_Fbr0_full.value,
+			       &pRxDma->fbr0_full_offset.value);
+		}
+#endif
+		spin_unlock_irqrestore(&pAdapter->FbrLock, lockflags);
+	} else {
+		DBG_ERROR(et131x_dbginfo,
+			  "NICReturnRFD illegal Buffer Index returned\n");
+	}
+
+	/* The processing on this RFD is done, so put it back on the tail of
+	 * our list
+	 */
+	spin_lock_irqsave(&pAdapter->RcvLock, lockflags);
+	list_add_tail(&pMpRfd->list_node, &pRxLocal->RecvList);
+	pRxLocal->nReadyRecv++;
+	spin_unlock_irqrestore(&pAdapter->RcvLock, lockflags);
+
+	DBG_ASSERT(pRxLocal->nReadyRecv <= pRxLocal->NumRfd);
+	DBG_RX_LEAVE(et131x_dbginfo);
+}
diff --git a/drivers/staging/et131x/et1310_rx.h b/drivers/staging/et131x/et1310_rx.h
new file mode 100644
index 00000000000..ea66dbcd8df
--- /dev/null
+++ b/drivers/staging/et131x/et1310_rx.h
@@ -0,0 +1,373 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_rx.h - Defines, structs, enums, prototypes, etc. pertaining to data
+ *               reception.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET1310_RX_H__
+#define __ET1310_RX_H__
+
+#include "et1310_address_map.h"
+
+#define USE_FBR0 true
+
+#ifdef USE_FBR0
+//#define FBR0_BUFFER_SIZE 256
+#endif
+
+//#define FBR1_BUFFER_SIZE 2048
+
+#define FBR_CHUNKS 32
+
+#define MAX_DESC_PER_RING_RX         1024
+
+/* number of RFDs - default and min */
+#ifdef USE_FBR0
+#define RFD_LOW_WATER_MARK	40
+#define NIC_MIN_NUM_RFD		64
+#define NIC_DEFAULT_NUM_RFD	1024
+#else
+#define RFD_LOW_WATER_MARK	20
+#define NIC_MIN_NUM_RFD		64
+#define NIC_DEFAULT_NUM_RFD	256
+#endif
+
+#define NUM_PACKETS_HANDLED	256
+
+#define ALCATEL_BAD_STATUS	0xe47f0000
+#define ALCATEL_MULTICAST_PKT	0x01000000
+#define ALCATEL_BROADCAST_PKT	0x02000000
+
+/* typedefs for Free Buffer Descriptors */
+typedef union _FBR_WORD2_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 reserved:22;	// bits 10-31
+		u32 bi:10;		// bits 0-9(Buffer Index)
+#else
+		u32 bi:10;		// bits 0-9(Buffer Index)
+		u32 reserved:22;	// bit 10-31
+#endif
+	} bits;
+} FBR_WORD2_t, *PFBR_WORD2_t;
+
+typedef struct _FBR_DESC_t {
+	u32 addr_lo;
+	u32 addr_hi;
+	FBR_WORD2_t word2;
+} FBR_DESC_t, *PFBR_DESC_t;
+
+/* Typedefs for Packet Status Ring Descriptors */
+typedef union _PKT_STAT_DESC_WORD0_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		// top 16 bits are from the Alcatel Status Word as enumerated in
+		// PE-MCXMAC Data Sheet IPD DS54 0210-1 (also IPD-DS80 0205-2)
+#if 0
+		u32 asw_trunc:1;		// bit 31(Rx frame truncated)
+#endif
+		u32 asw_long_evt:1;	// bit 31(Rx long event)
+		u32 asw_VLAN_tag:1;	// bit 30(VLAN tag detected)
+		u32 asw_unsupported_op:1;	// bit 29(unsupported OP code)
+		u32 asw_pause_frame:1;	// bit 28(is a pause frame)
+		u32 asw_control_frame:1;	// bit 27(is a control frame)
+		u32 asw_dribble_nibble:1;	// bit 26(spurious bits after EOP)
+		u32 asw_broadcast:1;	// bit 25(has a broadcast address)
+		u32 asw_multicast:1;	// bit 24(has a multicast address)
+		u32 asw_OK:1;		// bit 23(valid CRC + no code error)
+		u32 asw_too_long:1;	// bit 22(frame length > 1518 bytes)
+		u32 asw_len_chk_err:1;	// bit 21(frame length field incorrect)
+		u32 asw_CRC_err:1;		// bit 20(CRC error)
+		u32 asw_code_err:1;	// bit 19(one or more nibbles signalled as errors)
+		u32 asw_false_carrier_event:1;	// bit 18(bad carrier since last good packet)
+		u32 asw_RX_DV_event:1;	// bit 17(short receive event detected)
+		u32 asw_prev_pkt_dropped:1;// bit 16(e.g. IFG too small on previous)
+		u32 unused:5;		// bits 11-15
+		u32 vp:1;			// bit 10(VLAN Packet)
+		u32 jp:1;			// bit 9(Jumbo Packet)
+		u32 ft:1;			// bit 8(Frame Truncated)
+		u32 drop:1;		// bit 7(Drop packet)
+		u32 rxmac_error:1;		// bit 6(RXMAC Error Indicator)
+		u32 wol:1;			// bit 5(WOL Event)
+		u32 tcpp:1;		// bit 4(TCP checksum pass)
+		u32 tcpa:1;		// bit 3(TCP checksum assist)
+		u32 ipp:1;			// bit 2(IP checksum pass)
+		u32 ipa:1;			// bit 1(IP checksum assist)
+		u32 hp:1;			// bit 0(hash pass)
+#else
+		u32 hp:1;			// bit 0(hash pass)
+		u32 ipa:1;			// bit 1(IP checksum assist)
+		u32 ipp:1;			// bit 2(IP checksum pass)
+		u32 tcpa:1;		// bit 3(TCP checksum assist)
+		u32 tcpp:1;		// bit 4(TCP checksum pass)
+		u32 wol:1;			// bit 5(WOL Event)
+		u32 rxmac_error:1;		// bit 6(RXMAC Error Indicator)
+		u32 drop:1;		// bit 7(Drop packet)
+		u32 ft:1;			// bit 8(Frame Truncated)
+		u32 jp:1;			// bit 9(Jumbo Packet)
+		u32 vp:1;			// bit 10(VLAN Packet)
+		u32 unused:5;		// bits 11-15
+		u32 asw_prev_pkt_dropped:1;// bit 16(e.g. IFG too small on previous)
+		u32 asw_RX_DV_event:1;	// bit 17(short receive event detected)
+		u32 asw_false_carrier_event:1;	// bit 18(bad carrier since last good packet)
+		u32 asw_code_err:1;	// bit 19(one or more nibbles signalled as errors)
+		u32 asw_CRC_err:1;		// bit 20(CRC error)
+		u32 asw_len_chk_err:1;	// bit 21(frame length field incorrect)
+		u32 asw_too_long:1;	// bit 22(frame length > 1518 bytes)
+		u32 asw_OK:1;		// bit 23(valid CRC + no code error)
+		u32 asw_multicast:1;	// bit 24(has a multicast address)
+		u32 asw_broadcast:1;	// bit 25(has a broadcast address)
+		u32 asw_dribble_nibble:1;	// bit 26(spurious bits after EOP)
+		u32 asw_control_frame:1;	// bit 27(is a control frame)
+		u32 asw_pause_frame:1;	// bit 28(is a pause frame)
+		u32 asw_unsupported_op:1;	// bit 29(unsupported OP code)
+		u32 asw_VLAN_tag:1;	// bit 30(VLAN tag detected)
+		u32 asw_long_evt:1;	// bit 31(Rx long event)
+#if 0
+		u32 asw_trunc:1;		// bit 31(Rx frame truncated)
+#endif
+#endif
+	} bits;
+} PKT_STAT_DESC_WORD0_t, *PPKT_STAT_WORD0_t;
+
+typedef union _PKT_STAT_DESC_WORD1_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:4;	// bits 28-31
+		u32 ri:2;		// bits 26-27(Ring Index)
+		u32 bi:10;		// bits 16-25(Buffer Index)
+		u32 length:16;	// bit 0-15(length in bytes)
+#else
+		u32 length:16;	// bit 0-15(length in bytes)
+		u32 bi:10;		// bits 16-25(Buffer Index)
+		u32 ri:2;		// bits 26-27(Ring Index)
+		u32 unused:4;	// bits 28-31
+#endif
+	} bits;
+} PKT_STAT_DESC_WORD1_t, *PPKT_STAT_WORD1_t;
+
+typedef struct _PKT_STAT_DESC_t {
+	PKT_STAT_DESC_WORD0_t word0;
+	PKT_STAT_DESC_WORD1_t word1;
+} PKT_STAT_DESC_t, *PPKT_STAT_DESC_t;
+
+/* Typedefs for the RX DMA status word */
+
+/*
+ * RXSTAT_WORD0_t structure holds part of the status bits of the Rx DMA engine
+ * that get copied out to memory by the ET-1310.  Word 0 is a 32 bit word
+ * whichcontains Free Buffer ring 0 and 1 available offset.
+ */
+typedef union _rxstat_word0_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 FBR1unused:5;	// bits 27-31
+		u32 FBR1wrap:1;	// bit 26
+		u32 FBR1offset:10;	// bits 16-25
+		u32 FBR0unused:5;	// bits 11-15
+		u32 FBR0wrap:1;	// bit 10
+		u32 FBR0offset:10;	// bits 0-9
+#else
+		u32 FBR0offset:10;	// bits 0-9
+		u32 FBR0wrap:1;	// bit 10
+		u32 FBR0unused:5;	// bits 11-15
+		u32 FBR1offset:10;	// bits 16-25
+		u32 FBR1wrap:1;	// bit 26
+		u32 FBR1unused:5;	// bits 27-31
+#endif
+	} bits;
+} RXSTAT_WORD0_t, *PRXSTAT_WORD0_t;
+
+/*
+ * RXSTAT_WORD1_t structure holds part of the status bits of the Rx DMA engine
+ * that get copied out to memory by the ET-1310.  Word 3 is a 32 bit word
+ * which contains the Packet Status Ring available offset.
+ */
+typedef union _rxstat_word1_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 PSRunused:3;	// bits 29-31
+		u32 PSRwrap:1;	// bit 28
+		u32 PSRoffset:12;	// bits 16-27
+		u32 reserved:16;	// bits 0-15
+#else
+		u32 reserved:16;	// bits 0-15
+		u32 PSRoffset:12;	// bits 16-27
+		u32 PSRwrap:1;	// bit 28
+		u32 PSRunused:3;	// bits 29-31
+#endif
+	} bits;
+} RXSTAT_WORD1_t, *PRXSTAT_WORD1_t;
+
+/*
+ * RX_STATUS_BLOCK_t is sructure representing the status of the Rx DMA engine
+ * it sits in free memory, and is pointed to by 0x101c / 0x1020
+ */
+typedef struct _rx_status_block_t {
+	RXSTAT_WORD0_t Word0;
+	RXSTAT_WORD1_t Word1;
+} RX_STATUS_BLOCK_t, *PRX_STATUS_BLOCK_t;
+
+/*
+ * Structure for look-up table holding free buffer ring pointers
+ */
+typedef struct _FbrLookupTable {
+	void *Va[MAX_DESC_PER_RING_RX];
+	void *Buffer1[MAX_DESC_PER_RING_RX];
+	void *Buffer2[MAX_DESC_PER_RING_RX];
+	u32 PAHigh[MAX_DESC_PER_RING_RX];
+	u32 PALow[MAX_DESC_PER_RING_RX];
+} FBRLOOKUPTABLE, *PFBRLOOKUPTABLE;
+
+typedef enum {
+	ONE_PACKET_INTERRUPT,
+	FOUR_PACKET_INTERRUPT
+} eRX_INTERRUPT_STATE_t, *PeRX_INTERRUPT_STATE_t;
+
+/*
+ * Structure to hold the skb's in a list
+ */
+typedef struct rx_skb_list_elem {
+	struct list_head skb_list_elem;
+	dma_addr_t dma_addr;
+	struct sk_buff *skb;
+} RX_SKB_LIST_ELEM, *PRX_SKB_LIST_ELEM;
+
+/*
+ * RX_RING_t is sructure representing the adaptor's local reference(s) to the
+ * rings
+ */
+typedef struct _rx_ring_t {
+#ifdef USE_FBR0
+	void *pFbr0RingVa;
+	dma_addr_t pFbr0RingPa;
+	void *Fbr0MemVa[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+	dma_addr_t Fbr0MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+	uint64_t Fbr0Realpa;
+	uint64_t Fbr0offset;
+	DMA10W_t local_Fbr0_full;
+	u32 Fbr0NumEntries;
+	u32 Fbr0BufferSize;
+#endif
+	void *pFbr1RingVa;
+	dma_addr_t pFbr1RingPa;
+	void *Fbr1MemVa[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+	dma_addr_t Fbr1MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+	uint64_t Fbr1Realpa;
+	uint64_t Fbr1offset;
+	FBRLOOKUPTABLE *Fbr[2];
+	DMA10W_t local_Fbr1_full;
+	u32 Fbr1NumEntries;
+	u32 Fbr1BufferSize;
+
+	void *pPSRingVa;
+	dma_addr_t pPSRingPa;
+	uint64_t pPSRingRealPa;
+	uint64_t pPSRingOffset;
+	RXDMA_PSR_FULL_OFFSET_t local_psr_full;
+	u32 PsrNumEntries;
+
+	void *pRxStatusVa;
+	dma_addr_t pRxStatusPa;
+	uint64_t RxStatusRealPA;
+	uint64_t RxStatusOffset;
+
+	struct list_head RecvBufferPool;
+
+	/* RECV */
+	struct list_head RecvList;
+	struct list_head RecvPendingList;
+	u32 nReadyRecv;
+
+	u32 NumRfd;
+
+	bool UnfinishedReceives;
+
+	struct list_head RecvPacketPool;
+
+	/* lookaside lists */
+	struct kmem_cache *RecvLookaside;
+} RX_RING_t, *PRX_RING_t;
+
+/* Forward reference of RFD */
+struct _MP_RFD;
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+/* PROTOTYPES for Initialization */
+int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter);
+void et131x_rx_dma_memory_free(struct et131x_adapter *adapter);
+int et131x_rfd_resources_alloc(struct et131x_adapter *adapter,
+			       struct _MP_RFD *pMpRfd);
+void et131x_rfd_resources_free(struct et131x_adapter *adapter,
+			       struct _MP_RFD *pMpRfd);
+int et131x_init_recv(struct et131x_adapter *adapter);
+
+void ConfigRxDmaRegs(struct et131x_adapter *adapter);
+void SetRxDmaTimer(struct et131x_adapter *adapter);
+void et131x_rx_dma_disable(struct et131x_adapter *adapter);
+void et131x_rx_dma_enable(struct et131x_adapter *adapter);
+
+void et131x_reset_recv(struct et131x_adapter *adapter);
+
+void et131x_handle_recv_interrupt(struct et131x_adapter *adapter);
+
+#endif /* __ET1310_RX_H__ */
diff --git a/drivers/staging/et131x/et1310_tx.c b/drivers/staging/et131x/et1310_tx.c
new file mode 100644
index 00000000000..a95c2608a0c
--- /dev/null
+++ b/drivers/staging/et131x/et1310_tx.c
@@ -0,0 +1,1525 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_tx.c - Routines used to perform data transmission.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+#include "et131x_isr.h"
+
+#include "et1310_tx.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+static void et131x_update_tcb_list(struct et131x_adapter *pAdapter);
+static void et131x_check_send_wait_list(struct et131x_adapter *pAdapter);
+static inline void et131x_free_send_packet(struct et131x_adapter *pAdapter,
+					   PMP_TCB pMpTcb);
+static int et131x_send_packet(struct sk_buff *skb,
+			      struct et131x_adapter *pAdapter);
+static int nic_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb);
+
+/**
+ * et131x_tx_dma_memory_alloc
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success and errno on failure (as defined in errno.h).
+ *
+ * Allocates memory that will be visible both to the device and to the CPU.
+ * The OS will pass us packets, pointers to which we will insert in the Tx
+ * Descriptor queue. The device will read this queue to find the packets in
+ * memory. The device will update the "status" in memory each time it xmits a
+ * packet.
+ */
+int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter)
+{
+	int desc_size = 0;
+	TX_RING_t *tx_ring = &adapter->TxRing;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Allocate memory for the TCB's (Transmit Control Block) */
+	adapter->TxRing.MpTcbMem = (MP_TCB *) kcalloc(NUM_TCB, sizeof(MP_TCB),
+						      GFP_ATOMIC | GFP_DMA);
+	if (!adapter->TxRing.MpTcbMem) {
+		DBG_ERROR(et131x_dbginfo, "Cannot alloc memory for TCBs\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	/* Allocate enough memory for the Tx descriptor ring, and allocate
+	 * some extra so that the ring can be aligned on a 4k boundary.
+	 */
+	desc_size = (sizeof(TX_DESC_ENTRY_t) * NUM_DESC_PER_RING_TX) + 4096 - 1;
+	tx_ring->pTxDescRingVa =
+	    (PTX_DESC_ENTRY_t) pci_alloc_consistent(adapter->pdev, desc_size,
+						    &tx_ring->pTxDescRingPa);
+	if (!adapter->TxRing.pTxDescRingVa) {
+		DBG_ERROR(et131x_dbginfo, "Cannot alloc memory for Tx Ring\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	/* Save physical address
+	 *
+	 * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
+	 * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
+	 * are ever returned, make sure the high part is retrieved here before
+	 * storing the adjusted address.
+	 */
+	tx_ring->pTxDescRingAdjustedPa = tx_ring->pTxDescRingPa;
+
+	/* Align Tx Descriptor Ring on a 4k (0x1000) byte boundary */
+	et131x_align_allocated_memory(adapter,
+				      &tx_ring->pTxDescRingAdjustedPa,
+				      &tx_ring->TxDescOffset, 0x0FFF);
+
+	tx_ring->pTxDescRingVa += tx_ring->TxDescOffset;
+
+	/* Allocate memory for the Tx status block */
+	tx_ring->pTxStatusVa = pci_alloc_consistent(adapter->pdev,
+						    sizeof(TX_STATUS_BLOCK_t),
+						    &tx_ring->pTxStatusPa);
+	if (!adapter->TxRing.pTxStatusPa) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Cannot alloc memory for Tx status block\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	/* Allocate memory for a dummy buffer */
+	tx_ring->pTxDummyBlkVa = pci_alloc_consistent(adapter->pdev,
+						      NIC_MIN_PACKET_SIZE,
+						      &tx_ring->pTxDummyBlkPa);
+	if (!adapter->TxRing.pTxDummyBlkPa) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Cannot alloc memory for Tx dummy buffer\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+	return 0;
+}
+
+/**
+ * et131x_tx_dma_memory_free - Free all memory allocated within this module
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success and errno on failure (as defined in errno.h).
+ */
+void et131x_tx_dma_memory_free(struct et131x_adapter *adapter)
+{
+	int desc_size = 0;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	if (adapter->TxRing.pTxDescRingVa) {
+		/* Free memory relating to Tx rings here */
+		adapter->TxRing.pTxDescRingVa -= adapter->TxRing.TxDescOffset;
+
+		desc_size =
+		    (sizeof(TX_DESC_ENTRY_t) * NUM_DESC_PER_RING_TX) + 4096 - 1;
+
+		pci_free_consistent(adapter->pdev,
+				    desc_size,
+				    adapter->TxRing.pTxDescRingVa,
+				    adapter->TxRing.pTxDescRingPa);
+
+		adapter->TxRing.pTxDescRingVa = NULL;
+	}
+
+	/* Free memory for the Tx status block */
+	if (adapter->TxRing.pTxStatusVa) {
+		pci_free_consistent(adapter->pdev,
+				    sizeof(TX_STATUS_BLOCK_t),
+				    adapter->TxRing.pTxStatusVa,
+				    adapter->TxRing.pTxStatusPa);
+
+		adapter->TxRing.pTxStatusVa = NULL;
+	}
+
+	/* Free memory for the dummy buffer */
+	if (adapter->TxRing.pTxDummyBlkVa) {
+		pci_free_consistent(adapter->pdev,
+				    NIC_MIN_PACKET_SIZE,
+				    adapter->TxRing.pTxDummyBlkVa,
+				    adapter->TxRing.pTxDummyBlkPa);
+
+		adapter->TxRing.pTxDummyBlkVa = NULL;
+	}
+
+	/* Free the memory for MP_TCB structures */
+	if (adapter->TxRing.MpTcbMem) {
+		kfree(adapter->TxRing.MpTcbMem);
+		adapter->TxRing.MpTcbMem = NULL;
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * ConfigTxDmaRegs - Set up the tx dma section of the JAGCore.
+ * @adapter: pointer to our private adapter structure
+ */
+void ConfigTxDmaRegs(struct et131x_adapter *pAdapter)
+{
+	struct _TXDMA_t __iomem *pTxDma = &pAdapter->CSRAddress->txdma;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Load the hardware with the start of the transmit descriptor ring. */
+	writel((uint32_t) (pAdapter->TxRing.pTxDescRingAdjustedPa >> 32),
+	       &pTxDma->pr_base_hi);
+	writel((uint32_t) pAdapter->TxRing.pTxDescRingAdjustedPa,
+	       &pTxDma->pr_base_lo);
+
+	/* Initialise the transmit DMA engine */
+	writel(NUM_DESC_PER_RING_TX - 1, &pTxDma->pr_num_des.value);
+
+	/* Load the completion writeback physical address
+	 *
+	 * NOTE: pci_alloc_consistent(), used above to alloc DMA regions,
+	 * ALWAYS returns SAC (32-bit) addresses. If DAC (64-bit) addresses
+	 * are ever returned, make sure the high part is retrieved here before
+	 * storing the adjusted address.
+	 */
+	writel(0, &pTxDma->dma_wb_base_hi);
+	writel(pAdapter->TxRing.pTxStatusPa, &pTxDma->dma_wb_base_lo);
+
+	memset(pAdapter->TxRing.pTxStatusVa, 0, sizeof(TX_STATUS_BLOCK_t));
+
+	writel(0, &pTxDma->service_request.value);
+	pAdapter->TxRing.txDmaReadyToSend.value = 0;
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_tx_dma_disable - Stop of Tx_DMA on the ET1310
+ * @pAdapter: pointer to our adapter structure
+ */
+void et131x_tx_dma_disable(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Setup the tramsmit dma configuration register */
+	writel(0x101, &pAdapter->CSRAddress->txdma.csr.value);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_tx_dma_enable - re-start of Tx_DMA on the ET1310.
+ * @pAdapter: pointer to our adapter structure
+ *
+ * Mainly used after a return to the D0 (full-power) state from a lower state.
+ */
+void et131x_tx_dma_enable(struct et131x_adapter *pAdapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	if (pAdapter->RegistryPhyLoopbk) {
+	/* TxDMA is disabled for loopback operation. */
+		writel(0x101, &pAdapter->CSRAddress->txdma.csr.value);
+	} else {
+		TXDMA_CSR_t csr = { 0 };
+
+		/* Setup the transmit dma configuration register for normal
+		 * operation
+		 */
+		csr.bits.sngl_epkt_mode = 1;
+		csr.bits.halt = 0;
+		csr.bits.cache_thrshld = pAdapter->RegistryDMACache;
+		writel(csr.value, &pAdapter->CSRAddress->txdma.csr.value);
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_init_send - Initialize send data structures
+ * @adapter: pointer to our private adapter structure
+ */
+void et131x_init_send(struct et131x_adapter *adapter)
+{
+	PMP_TCB pMpTcb;
+	uint32_t TcbCount;
+	TX_RING_t *tx_ring;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Setup some convenience pointers */
+	tx_ring = &adapter->TxRing;
+	pMpTcb = adapter->TxRing.MpTcbMem;
+
+	tx_ring->TCBReadyQueueHead = pMpTcb;
+
+	/* Go through and set up each TCB */
+	for (TcbCount = 0; TcbCount < NUM_TCB; TcbCount++) {
+		memset(pMpTcb, 0, sizeof(MP_TCB));
+
+		/* Set the link pointer in HW TCB to the next TCB in the
+		 * chain.  If this is the last TCB in the chain, also set the
+		 * tail pointer.
+		 */
+		if (TcbCount < NUM_TCB - 1) {
+			pMpTcb->Next = pMpTcb + 1;
+		} else {
+			tx_ring->TCBReadyQueueTail = pMpTcb;
+			pMpTcb->Next = (PMP_TCB) NULL;
+		}
+
+		pMpTcb++;
+	}
+
+	/* Curr send queue should now be empty */
+	tx_ring->CurrSendHead = (PMP_TCB) NULL;
+	tx_ring->CurrSendTail = (PMP_TCB) NULL;
+
+	INIT_LIST_HEAD(&adapter->TxRing.SendWaitQueue);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_send_packets - This function is called by the OS to send packets
+ * @skb: the packet(s) to send
+ * @netdev:device on which to TX the above packet(s)
+ *
+ * Return 0 in almost all cases; non-zero value in extreme hard failure only
+ */
+int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev)
+{
+	int status = 0;
+	struct et131x_adapter *pAdapter = NULL;
+
+	DBG_TX_ENTER(et131x_dbginfo);
+
+	pAdapter = netdev_priv(netdev);
+
+	/* Send these packets
+	 *
+	 * NOTE: The Linux Tx entry point is only given one packet at a time
+	 * to Tx, so the PacketCount and it's array used makes no sense here
+	 */
+
+	/* Queue is not empty or TCB is not available */
+	if (!list_empty(&pAdapter->TxRing.SendWaitQueue) ||
+	    MP_TCB_RESOURCES_NOT_AVAILABLE(pAdapter)) {
+		/* NOTE: If there's an error on send, no need to queue the
+		 * packet under Linux; if we just send an error up to the
+		 * netif layer, it will resend the skb to us.
+		 */
+		DBG_VERBOSE(et131x_dbginfo, "TCB Resources Not Available\n");
+		status = -ENOMEM;
+	} else {
+		/* We need to see if the link is up; if it's not, make the
+		 * netif layer think we're good and drop the packet
+		 */
+		//if( MP_SHOULD_FAIL_SEND( pAdapter ) || pAdapter->DriverNoPhyAccess )
+		if (MP_SHOULD_FAIL_SEND(pAdapter) || pAdapter->DriverNoPhyAccess
+		    || !netif_carrier_ok(netdev)) {
+			DBG_VERBOSE(et131x_dbginfo,
+				    "Can't Tx, Link is DOWN; drop the packet\n");
+
+			dev_kfree_skb_any(skb);
+			skb = NULL;
+
+			pAdapter->net_stats.tx_dropped++;
+		} else {
+			status = et131x_send_packet(skb, pAdapter);
+
+			if (status == -ENOMEM) {
+
+				/* NOTE: If there's an error on send, no need
+				 * to queue the packet under Linux; if we just
+				 * send an error up to the netif layer, it
+				 * will resend the skb to us.
+				 */
+				DBG_WARNING(et131x_dbginfo,
+					    "Resources problem, Queue tx packet\n");
+			} else if (status != 0) {
+				/* On any other error, make netif think we're
+				 * OK and drop the packet
+				 */
+				DBG_WARNING(et131x_dbginfo,
+					    "General error, drop packet\n");
+
+				dev_kfree_skb_any(skb);
+				skb = NULL;
+
+				pAdapter->net_stats.tx_dropped++;
+			}
+		}
+	}
+
+	DBG_TX_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_send_packet - Do the work to send a packet
+ * @skb: the packet(s) to send
+ * @pAdapter: a pointer to the device's private adapter structure
+ *
+ * Return 0 in almost all cases; non-zero value in extreme hard failure only.
+ *
+ * Assumption: Send spinlock has been acquired
+ */
+static int et131x_send_packet(struct sk_buff *skb,
+			      struct et131x_adapter *pAdapter)
+{
+	int status = 0;
+	PMP_TCB pMpTcb = NULL;
+	uint16_t *pShBufVa;
+	unsigned long lockflags;
+
+	DBG_TX_ENTER(et131x_dbginfo);
+
+	/* Is our buffer scattered, or continuous? */
+	if (skb_shinfo(skb)->nr_frags == 0) {
+		DBG_TX(et131x_dbginfo, "Scattered buffer: NO\n");
+	} else {
+		DBG_TX(et131x_dbginfo, "Scattered buffer: YES, Num Frags: %d\n",
+		       skb_shinfo(skb)->nr_frags);
+	}
+
+	/* All packets must have at least a MAC address and a protocol type */
+	if (skb->len < ETH_HLEN) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Packet size < ETH_HLEN (14 bytes)\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	/* Get a TCB for this packet */
+	spin_lock_irqsave(&pAdapter->TCBReadyQLock, lockflags);
+
+	pMpTcb = pAdapter->TxRing.TCBReadyQueueHead;
+
+	if (pMpTcb == NULL) {
+		spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags);
+
+		DBG_WARNING(et131x_dbginfo, "Can't obtain a TCB\n");
+		DBG_TX_LEAVE(et131x_dbginfo);
+		return -ENOMEM;
+	}
+
+	pAdapter->TxRing.TCBReadyQueueHead = pMpTcb->Next;
+
+	if (pAdapter->TxRing.TCBReadyQueueHead == NULL) {
+		pAdapter->TxRing.TCBReadyQueueTail = NULL;
+	}
+
+	spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags);
+
+	pMpTcb->PacketLength = skb->len;
+	pMpTcb->Packet = skb;
+
+	if ((skb->data != NULL) && ((skb->len - skb->data_len) >= 6)) {
+		pShBufVa = (uint16_t *) skb->data;
+
+		if ((pShBufVa[0] == 0xffff) &&
+		    (pShBufVa[1] == 0xffff) && (pShBufVa[2] == 0xffff)) {
+			MP_SET_FLAG(pMpTcb, fMP_DEST_BROAD);
+		} else if ((pShBufVa[0] & 0x3) == 0x0001) {
+			MP_SET_FLAG(pMpTcb, fMP_DEST_MULTI);
+		}
+	}
+
+	pMpTcb->Next = NULL;
+
+	/* Call the NIC specific send handler. */
+	if (status == 0) {
+		status = nic_send_packet(pAdapter, pMpTcb);
+	}
+
+	if (status != 0) {
+		spin_lock_irqsave(&pAdapter->TCBReadyQLock, lockflags);
+
+		if (pAdapter->TxRing.TCBReadyQueueTail) {
+			pAdapter->TxRing.TCBReadyQueueTail->Next = pMpTcb;
+		} else {
+			/* Apparently ready Q is empty. */
+			pAdapter->TxRing.TCBReadyQueueHead = pMpTcb;
+		}
+
+		pAdapter->TxRing.TCBReadyQueueTail = pMpTcb;
+
+		spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags);
+
+		DBG_TX_LEAVE(et131x_dbginfo);
+		return status;
+	}
+
+	DBG_ASSERT(pAdapter->TxRing.nBusySend <= NUM_TCB);
+
+	DBG_TX_LEAVE(et131x_dbginfo);
+	return 0;
+}
+
+/**
+ * nic_send_packet - NIC specific send handler for version B silicon.
+ * @pAdapter: pointer to our adapter
+ * @pMpTcb: pointer to MP_TCB
+ *
+ * Returns 0 or errno.
+ */
+static int nic_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb)
+{
+	uint32_t loopIndex;
+	TX_DESC_ENTRY_t CurDesc[24];
+	uint32_t FragmentNumber = 0;
+	uint32_t iThisCopy, iRemainder;
+	struct sk_buff *pPacket = pMpTcb->Packet;
+	uint32_t FragListCount = skb_shinfo(pPacket)->nr_frags + 1;
+	struct skb_frag_struct *pFragList = &skb_shinfo(pPacket)->frags[0];
+	unsigned long lockflags1, lockflags2;
+
+	DBG_TX_ENTER(et131x_dbginfo);
+
+	/* Part of the optimizations of this send routine restrict us to
+	 * sending 24 fragments at a pass.  In practice we should never see
+	 * more than 5 fragments.
+	 *
+	 * NOTE: The older version of this function (below) can handle any
+	 * number of fragments. If needed, we can call this function,
+	 * although it is less efficient.
+	 */
+	if (FragListCount > 23) {
+		DBG_TX_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	memset(CurDesc, 0, sizeof(TX_DESC_ENTRY_t) * (FragListCount + 1));
+
+	for (loopIndex = 0; loopIndex < FragListCount; loopIndex++) {
+		/* If there is something in this element, lets get a
+		 * descriptor from the ring and get the necessary data
+		 */
+		if (loopIndex == 0) {
+			/* If the fragments are smaller than a standard MTU,
+			 * then map them to a single descriptor in the Tx
+			 * Desc ring. However, if they're larger, as is
+			 * possible with support for jumbo packets, then
+			 * split them each across 2 descriptors.
+			 *
+			 * This will work until we determine why the hardware
+			 * doesn't seem to like large fragments.
+			 */
+			if ((pPacket->len - pPacket->data_len) <= 1514) {
+				DBG_TX(et131x_dbginfo,
+				       "Got packet of length %d, "
+				       "filling desc entry %d, "
+				       "TCB: 0x%p\n",
+				       (pPacket->len - pPacket->data_len),
+				       pAdapter->TxRing.txDmaReadyToSend.bits.
+				       val, pMpTcb);
+
+				CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
+
+				CurDesc[FragmentNumber].word2.bits.
+				    length_in_bytes =
+				    pPacket->len - pPacket->data_len;
+
+				/* NOTE: Here, the dma_addr_t returned from
+				 * pci_map_single() is implicitly cast as a
+				 * uint32_t. Although dma_addr_t can be
+				 * 64-bit, the address returned by
+				 * pci_map_single() is always 32-bit
+				 * addressable (as defined by the pci/dma
+				 * subsystem)
+				 */
+				CurDesc[FragmentNumber++].DataBufferPtrLow =
+				    pci_map_single(pAdapter->pdev,
+						   pPacket->data,
+						   pPacket->len -
+						   pPacket->data_len,
+						   PCI_DMA_TODEVICE);
+			} else {
+				DBG_TX(et131x_dbginfo,
+				       "Got packet of length %d, "
+				       "filling desc entry %d, "
+				       "TCB: 0x%p\n",
+				       (pPacket->len - pPacket->data_len),
+				       pAdapter->TxRing.txDmaReadyToSend.bits.
+				       val, pMpTcb);
+
+				CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
+
+				CurDesc[FragmentNumber].word2.bits.
+				    length_in_bytes =
+				    ((pPacket->len - pPacket->data_len) / 2);
+
+				/* NOTE: Here, the dma_addr_t returned from
+				 * pci_map_single() is implicitly cast as a
+				 * uint32_t. Although dma_addr_t can be
+				 * 64-bit, the address returned by
+				 * pci_map_single() is always 32-bit
+				 * addressable (as defined by the pci/dma
+				 * subsystem)
+				 */
+				CurDesc[FragmentNumber++].DataBufferPtrLow =
+				    pci_map_single(pAdapter->pdev,
+						   pPacket->data,
+						   ((pPacket->len -
+						     pPacket->data_len) / 2),
+						   PCI_DMA_TODEVICE);
+				CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
+
+				CurDesc[FragmentNumber].word2.bits.
+				    length_in_bytes =
+				    ((pPacket->len - pPacket->data_len) / 2);
+
+				/* NOTE: Here, the dma_addr_t returned from
+				 * pci_map_single() is implicitly cast as a
+				 * uint32_t. Although dma_addr_t can be
+				 * 64-bit, the address returned by
+				 * pci_map_single() is always 32-bit
+				 * addressable (as defined by the pci/dma
+				 * subsystem)
+				 */
+				CurDesc[FragmentNumber++].DataBufferPtrLow =
+				    pci_map_single(pAdapter->pdev,
+						   pPacket->data +
+						   ((pPacket->len -
+						     pPacket->data_len) / 2),
+						   ((pPacket->len -
+						     pPacket->data_len) / 2),
+						   PCI_DMA_TODEVICE);
+			}
+		} else {
+			DBG_TX(et131x_dbginfo,
+			       "Got packet of length %d,"
+			       "filling desc entry %d\n"
+			       "TCB: 0x%p\n",
+			       pFragList[loopIndex].size,
+			       pAdapter->TxRing.txDmaReadyToSend.bits.val,
+			       pMpTcb);
+
+			CurDesc[FragmentNumber].DataBufferPtrHigh = 0;
+
+			CurDesc[FragmentNumber].word2.bits.length_in_bytes =
+			    pFragList[loopIndex - 1].size;
+
+			/* NOTE: Here, the dma_addr_t returned from
+			 * pci_map_page() is implicitly cast as a uint32_t.
+			 * Although dma_addr_t can be 64-bit, the address
+			 * returned by pci_map_page() is always 32-bit
+			 * addressable (as defined by the pci/dma subsystem)
+			 */
+			CurDesc[FragmentNumber++].DataBufferPtrLow =
+			    pci_map_page(pAdapter->pdev,
+					 pFragList[loopIndex - 1].page,
+					 pFragList[loopIndex - 1].page_offset,
+					 pFragList[loopIndex - 1].size,
+					 PCI_DMA_TODEVICE);
+		}
+	}
+
+	if (FragmentNumber == 0) {
+		DBG_WARNING(et131x_dbginfo, "No. frags is 0\n");
+		return -EIO;
+	}
+
+	if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) {
+		if (++pAdapter->TxRing.TxPacketsSinceLastinterrupt ==
+		    pAdapter->RegistryTxNumBuffers) {
+			CurDesc[FragmentNumber - 1].word3.value = 0x5;
+			pAdapter->TxRing.TxPacketsSinceLastinterrupt = 0;
+		} else {
+			CurDesc[FragmentNumber - 1].word3.value = 0x1;
+		}
+	} else {
+		CurDesc[FragmentNumber - 1].word3.value = 0x5;
+	}
+
+	CurDesc[0].word3.bits.f = 1;
+
+	pMpTcb->WrIndexStart = pAdapter->TxRing.txDmaReadyToSend;
+	pMpTcb->PacketStaleCount = 0;
+
+	spin_lock_irqsave(&pAdapter->SendHWLock, lockflags1);
+
+	iThisCopy =
+	    NUM_DESC_PER_RING_TX - pAdapter->TxRing.txDmaReadyToSend.bits.val;
+
+	if (iThisCopy >= FragmentNumber) {
+		iRemainder = 0;
+		iThisCopy = FragmentNumber;
+	} else {
+		iRemainder = FragmentNumber - iThisCopy;
+	}
+
+	memcpy(pAdapter->TxRing.pTxDescRingVa +
+	       pAdapter->TxRing.txDmaReadyToSend.bits.val, CurDesc,
+	       sizeof(TX_DESC_ENTRY_t) * iThisCopy);
+
+	pAdapter->TxRing.txDmaReadyToSend.bits.val += iThisCopy;
+
+	if ((pAdapter->TxRing.txDmaReadyToSend.bits.val == 0) ||
+	    (pAdapter->TxRing.txDmaReadyToSend.bits.val ==
+	     NUM_DESC_PER_RING_TX)) {
+		if (pAdapter->TxRing.txDmaReadyToSend.bits.wrap) {
+			pAdapter->TxRing.txDmaReadyToSend.value = 0;
+		} else {
+			pAdapter->TxRing.txDmaReadyToSend.value = 0x400;
+		}
+	}
+
+	if (iRemainder) {
+		memcpy(pAdapter->TxRing.pTxDescRingVa,
+		       CurDesc + iThisCopy,
+		       sizeof(TX_DESC_ENTRY_t) * iRemainder);
+
+		pAdapter->TxRing.txDmaReadyToSend.bits.val += iRemainder;
+	}
+
+	if (pAdapter->TxRing.txDmaReadyToSend.bits.val == 0) {
+		if (pAdapter->TxRing.txDmaReadyToSend.value) {
+			pMpTcb->WrIndex.value = NUM_DESC_PER_RING_TX - 1;
+		} else {
+			pMpTcb->WrIndex.value =
+			    0x400 | (NUM_DESC_PER_RING_TX - 1);
+		}
+	} else {
+		pMpTcb->WrIndex.value =
+		    pAdapter->TxRing.txDmaReadyToSend.value - 1;
+	}
+
+	spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags2);
+
+	if (pAdapter->TxRing.CurrSendTail) {
+		pAdapter->TxRing.CurrSendTail->Next = pMpTcb;
+	} else {
+		pAdapter->TxRing.CurrSendHead = pMpTcb;
+	}
+
+	pAdapter->TxRing.CurrSendTail = pMpTcb;
+
+	DBG_ASSERT(pMpTcb->Next == NULL);
+
+	pAdapter->TxRing.nBusySend++;
+
+	spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags2);
+
+	/* Write the new write pointer back to the device. */
+	writel(pAdapter->TxRing.txDmaReadyToSend.value,
+	       &pAdapter->CSRAddress->txdma.service_request.value);
+
+	/* For Gig only, we use Tx Interrupt coalescing.  Enable the software
+	 * timer to wake us up if this packet isn't followed by N more.
+	 */
+	if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) {
+		writel(pAdapter->RegistryTxTimeInterval * NANO_IN_A_MICRO,
+		       &pAdapter->CSRAddress->global.watchdog_timer);
+	}
+
+	spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags1);
+
+	DBG_TX_LEAVE(et131x_dbginfo);
+	return 0;
+}
+
+/*
+ * NOTE: For now, keep this older version of NICSendPacket around for
+ * reference, even though it's not used
+ */
+#if 0
+
+/**
+ * NICSendPacket - NIC specific send handler.
+ * @pAdapter: pointer to our adapter
+ * @pMpTcb: pointer to MP_TCB
+ *
+ * Returns 0 on succes, errno on failure.
+ *
+ * This version of the send routine is designed for version A silicon.
+ * Assumption - Send spinlock has been acquired.
+ */
+static int nic_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb)
+{
+	uint32_t loopIndex, fragIndex, loopEnd;
+	uint32_t iSplitFirstElement = 0;
+	uint32_t SegmentSize = 0;
+	TX_DESC_ENTRY_t CurDesc;
+	TX_DESC_ENTRY_t *CurDescPostCopy = NULL;
+	uint32_t SlotsAvailable;
+	DMA10W_t ServiceComplete;
+	unsigned int lockflags1, lockflags2;
+	struct sk_buff *pPacket = pMpTcb->Packet;
+	uint32_t FragListCount = skb_shinfo(pPacket)->nr_frags + 1;
+	struct skb_frag_struct *pFragList = &skb_shinfo(pPacket)->frags[0];
+
+	DBG_TX_ENTER(et131x_dbginfo);
+
+	ServiceComplete.value =
+		readl(&pAdapter->CSRAddress->txdma.NewServiceComplete.value);
+
+	/*
+	 * Attempt to fix TWO hardware bugs:
+	 * 1)  NEVER write an odd number of descriptors.
+	 * 2)  If packet length is less than NIC_MIN_PACKET_SIZE, then pad the
+	 *     packet to NIC_MIN_PACKET_SIZE bytes by adding a new last
+	 *     descriptor IN HALF DUPLEX MODE ONLY
+	 * NOTE that (2) interacts with (1).  If the packet is less than
+	 * NIC_MIN_PACKET_SIZE bytes then we will append a descriptor.
+	 * Therefore if it is even now, it will eventually end up odd, and
+	 * so will need adjusting.
+	 *
+	 * VLAN tags get involved since VLAN tags add another one or two
+	 * segments.
+	 */
+	DBG_TX(et131x_dbginfo,
+	       "pMpTcb->PacketLength: %d\n", pMpTcb->PacketLength);
+
+	if ((pAdapter->uiDuplexMode == 0)
+	    && (pMpTcb->PacketLength < NIC_MIN_PACKET_SIZE)) {
+		DBG_TX(et131x_dbginfo,
+		       "HALF DUPLEX mode AND len < MIN_PKT_SIZE\n");
+		if ((FragListCount & 0x1) == 0) {
+			DBG_TX(et131x_dbginfo,
+			       "Even number of descs, split 1st elem\n");
+			iSplitFirstElement = 1;
+			//SegmentSize = pFragList[0].size / 2;
+			SegmentSize = (pPacket->len - pPacket->data_len) / 2;
+		}
+	} else if (FragListCount & 0x1) {
+		DBG_TX(et131x_dbginfo, "Odd number of descs, split 1st elem\n");
+
+		iSplitFirstElement = 1;
+		//SegmentSize = pFragList[0].size / 2;
+		SegmentSize = (pPacket->len - pPacket->data_len) / 2;
+	}
+
+	spin_lock_irqsave(&pAdapter->SendHWLock, lockflags1);
+
+	if (pAdapter->TxRing.txDmaReadyToSend.bits.serv_req_wrap ==
+	    ServiceComplete.bits.serv_cpl_wrap) {
+		/* The ring hasn't wrapped.  Slots available should be
+		 * (RING_SIZE) -  the difference between the two pointers.
+		 */
+		SlotsAvailable = NUM_DESC_PER_RING_TX -
+		    (pAdapter->TxRing.txDmaReadyToSend.bits.serv_req -
+		     ServiceComplete.bits.serv_cpl);
+	} else {
+		/* The ring has wrapped.  Slots available should be the
+		 * difference between the two pointers.
+		 */
+		SlotsAvailable = ServiceComplete.bits.serv_cpl -
+		    pAdapter->TxRing.txDmaReadyToSend.bits.serv_req;
+	}
+
+	if ((FragListCount + iSplitFirstElement) > SlotsAvailable) {
+		DBG_WARNING(et131x_dbginfo,
+			    "Not Enough Space in Tx Desc Ring\n");
+		spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags1);
+		return -ENOMEM;
+	}
+
+	loopEnd = (FragListCount) + iSplitFirstElement;
+	fragIndex = 0;
+
+	DBG_TX(et131x_dbginfo,
+	       "TCB           : 0x%p\n"
+	       "Packet (SKB)  : 0x%p\t Packet->len: %d\t Packet->data_len: %d\n"
+	       "FragListCount : %d\t iSplitFirstElement: %d\t loopEnd:%d\n",
+	       pMpTcb,
+	       pPacket, pPacket->len, pPacket->data_len,
+	       FragListCount, iSplitFirstElement, loopEnd);
+
+	for (loopIndex = 0; loopIndex < loopEnd; loopIndex++) {
+		if (loopIndex > iSplitFirstElement) {
+			fragIndex++;
+		}
+
+		DBG_TX(et131x_dbginfo,
+		       "In loop, loopIndex: %d\t fragIndex: %d\n", loopIndex,
+		       fragIndex);
+
+		/* If there is something in this element, let's get a
+		 * descriptor from the ring and get the necessary data
+		 */
+		DBG_TX(et131x_dbginfo,
+		       "Packet Length %d,"
+		       "filling desc entry %d\n",
+		       pPacket->len,
+		       pAdapter->TxRing.txDmaReadyToSend.bits.serv_req);
+
+		// NOTE - Should we do a paranoia check here to make sure the fragment
+		// actually has a length? It's HIGHLY unlikely the fragment would
+		// contain no data...
+		if (1) {
+			// NOTE - Currently always getting 32-bit addrs, and dma_addr_t is
+			//        only 32-bit, so leave "high" ptr value out for now
+			CurDesc.DataBufferPtrHigh = 0;
+
+			CurDesc.word2.value = 0;
+			CurDesc.word3.value = 0;
+
+			if (fragIndex == 0) {
+				if (iSplitFirstElement) {
+					DBG_TX(et131x_dbginfo,
+					       "Split first element: YES\n");
+
+					if (loopIndex == 0) {
+						DBG_TX(et131x_dbginfo,
+						       "Got fragment of length %d, fragIndex: %d\n",
+						       pPacket->len -
+						       pPacket->data_len,
+						       fragIndex);
+						DBG_TX(et131x_dbginfo,
+						       "SegmentSize: %d\n",
+						       SegmentSize);
+
+						CurDesc.word2.bits.
+						    length_in_bytes =
+						    SegmentSize;
+						CurDesc.DataBufferPtrLow =
+						    pci_map_single(pAdapter->
+								   pdev,
+								   pPacket->
+								   data,
+								   SegmentSize,
+								   PCI_DMA_TODEVICE);
+						DBG_TX(et131x_dbginfo,
+						       "pci_map_single() returns: 0x%08x\n",
+						       CurDesc.
+						       DataBufferPtrLow);
+					} else {
+						DBG_TX(et131x_dbginfo,
+						       "Got fragment of length %d, fragIndex: %d\n",
+						       pPacket->len -
+						       pPacket->data_len,
+						       fragIndex);
+						DBG_TX(et131x_dbginfo,
+						       "Leftover Size: %d\n",
+						       (pPacket->len -
+							pPacket->data_len -
+							SegmentSize));
+
+						CurDesc.word2.bits.
+						    length_in_bytes =
+						    ((pPacket->len -
+						      pPacket->data_len) -
+						     SegmentSize);
+						CurDesc.DataBufferPtrLow =
+						    pci_map_single(pAdapter->
+								   pdev,
+								   (pPacket->
+								    data +
+								    SegmentSize),
+								   (pPacket->
+								    len -
+								    pPacket->
+								    data_len -
+								    SegmentSize),
+								   PCI_DMA_TODEVICE);
+						DBG_TX(et131x_dbginfo,
+						       "pci_map_single() returns: 0x%08x\n",
+						       CurDesc.
+						       DataBufferPtrLow);
+					}
+				} else {
+					DBG_TX(et131x_dbginfo,
+					       "Split first element: NO\n");
+
+					CurDesc.word2.bits.length_in_bytes =
+					    pPacket->len - pPacket->data_len;
+
+					CurDesc.DataBufferPtrLow =
+					    pci_map_single(pAdapter->pdev,
+							   pPacket->data,
+							   (pPacket->len -
+							    pPacket->data_len),
+							   PCI_DMA_TODEVICE);
+					DBG_TX(et131x_dbginfo,
+					       "pci_map_single() returns: 0x%08x\n",
+					       CurDesc.DataBufferPtrLow);
+				}
+			} else {
+
+				CurDesc.word2.bits.length_in_bytes =
+				    pFragList[fragIndex - 1].size;
+				CurDesc.DataBufferPtrLow =
+				    pci_map_page(pAdapter->pdev,
+						 pFragList[fragIndex - 1].page,
+						 pFragList[fragIndex -
+							   1].page_offset,
+						 pFragList[fragIndex - 1].size,
+						 PCI_DMA_TODEVICE);
+				DBG_TX(et131x_dbginfo,
+				       "pci_map_page() returns: 0x%08x\n",
+				       CurDesc.DataBufferPtrLow);
+			}
+
+			if (loopIndex == 0) {
+				/* This is the first descriptor of the packet
+				 *
+				 * Set the "f" bit to indicate this is the
+				 * first descriptor in the packet.
+				 */
+				DBG_TX(et131x_dbginfo,
+				       "This is our FIRST descriptor\n");
+				CurDesc.word3.bits.f = 1;
+
+				pMpTcb->WrIndexStart =
+				    pAdapter->TxRing.txDmaReadyToSend;
+			}
+
+			if ((loopIndex == (loopEnd - 1)) &&
+			    (pAdapter->uiDuplexMode ||
+			     (pMpTcb->PacketLength >= NIC_MIN_PACKET_SIZE))) {
+				/* This is the Last descriptor of the packet */
+				DBG_TX(et131x_dbginfo,
+				       "THIS is our LAST descriptor\n");
+
+				if (pAdapter->uiLinkSpeed ==
+				    TRUEPHY_SPEED_1000MBPS) {
+					if (++pAdapter->TxRing.
+					    TxPacketsSinceLastinterrupt >=
+					    pAdapter->RegistryTxNumBuffers) {
+						CurDesc.word3.value = 0x5;
+						pAdapter->TxRing.
+						    TxPacketsSinceLastinterrupt
+						    = 0;
+					} else {
+						CurDesc.word3.value = 0x1;
+					}
+				} else {
+					CurDesc.word3.value = 0x5;
+				}
+
+				/* Following index will be used during freeing
+				 * of packet
+				 */
+				pMpTcb->WrIndex =
+				    pAdapter->TxRing.txDmaReadyToSend;
+				pMpTcb->PacketStaleCount = 0;
+			}
+
+			/* Copy the descriptor (filled above) into the
+			 * descriptor ring at the next free entry.  Advance
+			 * the "next free entry" variable
+			 */
+			memcpy(pAdapter->TxRing.pTxDescRingVa +
+			       pAdapter->TxRing.txDmaReadyToSend.bits.serv_req,
+			       &CurDesc, sizeof(TX_DESC_ENTRY_t));
+
+			CurDescPostCopy =
+			    pAdapter->TxRing.pTxDescRingVa +
+			    pAdapter->TxRing.txDmaReadyToSend.bits.serv_req;
+
+			DBG_TX(et131x_dbginfo,
+			       "CURRENT DESCRIPTOR\n"
+			       "\tAddress           : 0x%p\n"
+			       "\tDataBufferPtrHigh : 0x%08x\n"
+			       "\tDataBufferPtrLow  : 0x%08x\n"
+			       "\tword2             : 0x%08x\n"
+			       "\tword3             : 0x%08x\n",
+			       CurDescPostCopy,
+			       CurDescPostCopy->DataBufferPtrHigh,
+			       CurDescPostCopy->DataBufferPtrLow,
+			       CurDescPostCopy->word2.value,
+			       CurDescPostCopy->word3.value);
+
+			if (++pAdapter->TxRing.txDmaReadyToSend.bits.serv_req >=
+			    NUM_DESC_PER_RING_TX) {
+				if (pAdapter->TxRing.txDmaReadyToSend.bits.
+				    serv_req_wrap) {
+					pAdapter->TxRing.txDmaReadyToSend.
+					    value = 0;
+				} else {
+					pAdapter->TxRing.txDmaReadyToSend.
+					    value = 0x400;
+				}
+			}
+		}
+	}
+
+	if (pAdapter->uiDuplexMode == 0 &&
+	    pMpTcb->PacketLength < NIC_MIN_PACKET_SIZE) {
+		// NOTE - Same 32/64-bit issue as above...
+		CurDesc.DataBufferPtrHigh = 0x0;
+		CurDesc.DataBufferPtrLow = pAdapter->TxRing.pTxDummyBlkPa;
+		CurDesc.word2.value = 0;
+
+		if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) {
+			if (++pAdapter->TxRing.TxPacketsSinceLastinterrupt >=
+			    pAdapter->RegistryTxNumBuffers) {
+				CurDesc.word3.value = 0x5;
+				pAdapter->TxRing.TxPacketsSinceLastinterrupt =
+				    0;
+			} else {
+				CurDesc.word3.value = 0x1;
+			}
+		} else {
+			CurDesc.word3.value = 0x5;
+		}
+
+		CurDesc.word2.bits.length_in_bytes =
+		    NIC_MIN_PACKET_SIZE - pMpTcb->PacketLength;
+
+		pMpTcb->WrIndex = pAdapter->TxRing.txDmaReadyToSend;
+
+		memcpy(pAdapter->TxRing.pTxDescRingVa +
+		       pAdapter->TxRing.txDmaReadyToSend.bits.serv_req,
+		       &CurDesc, sizeof(TX_DESC_ENTRY_t));
+
+		CurDescPostCopy =
+		    pAdapter->TxRing.pTxDescRingVa +
+		    pAdapter->TxRing.txDmaReadyToSend.bits.serv_req;
+
+		DBG_TX(et131x_dbginfo,
+		       "CURRENT DESCRIPTOR\n"
+		       "\tAddress           : 0x%p\n"
+		       "\tDataBufferPtrHigh : 0x%08x\n"
+		       "\tDataBufferPtrLow  : 0x%08x\n"
+		       "\tword2             : 0x%08x\n"
+		       "\tword3             : 0x%08x\n",
+		       CurDescPostCopy,
+		       CurDescPostCopy->DataBufferPtrHigh,
+		       CurDescPostCopy->DataBufferPtrLow,
+		       CurDescPostCopy->word2.value,
+		       CurDescPostCopy->word3.value);
+
+		if (++pAdapter->TxRing.txDmaReadyToSend.bits.serv_req >=
+		    NUM_DESC_PER_RING_TX) {
+			if (pAdapter->TxRing.txDmaReadyToSend.bits.
+			    serv_req_wrap) {
+				pAdapter->TxRing.txDmaReadyToSend.value = 0;
+			} else {
+				pAdapter->TxRing.txDmaReadyToSend.value = 0x400;
+			}
+		}
+
+		DBG_TX(et131x_dbginfo, "Padding descriptor %d by %d bytes\n",
+		       //pAdapter->TxRing.txDmaReadyToSend.value,
+		       pAdapter->TxRing.txDmaReadyToSend.bits.serv_req,
+		       NIC_MIN_PACKET_SIZE - pMpTcb->PacketLength);
+	}
+
+	spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags2);
+
+	if (pAdapter->TxRing.CurrSendTail) {
+		pAdapter->TxRing.CurrSendTail->Next = pMpTcb;
+	} else {
+		pAdapter->TxRing.CurrSendHead = pMpTcb;
+	}
+
+	pAdapter->TxRing.CurrSendTail = pMpTcb;
+
+	DBG_ASSERT(pMpTcb->Next == NULL);
+
+	pAdapter->TxRing.nBusySend++;
+
+	spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags2);
+
+	/* Write the new write pointer back to the device. */
+	writel(pAdapter->TxRing.txDmaReadyToSend.value,
+	       &pAdapter->CSRAddress->txdma.service_request.value);
+
+#ifdef CONFIG_ET131X_DEBUG
+	DumpDeviceBlock(DBG_TX_ON, pAdapter, 1);
+#endif
+
+	/* For Gig only, we use Tx Interrupt coalescing.  Enable the software
+	 * timer to wake us up if this packet isn't followed by N more.
+	 */
+	if (pAdapter->uiLinkSpeed == TRUEPHY_SPEED_1000MBPS) {
+		writel(pAdapter->RegistryTxTimeInterval * NANO_IN_A_MICRO,
+		       &pAdapter->CSRAddress->global.watchdog_timer);
+	}
+
+	spin_unlock_irqrestore(&pAdapter->SendHWLock, lockflags1);
+
+	DBG_TX_LEAVE(et131x_dbginfo);
+	return 0;
+}
+
+#endif
+
+/**
+ * et131x_free_send_packet - Recycle a MP_TCB, complete the packet if necessary
+ * @pAdapter: pointer to our adapter
+ * @pMpTcb: pointer to MP_TCB
+ *
+ * Assumption - Send spinlock has been acquired
+ */
+__inline void et131x_free_send_packet(struct et131x_adapter *pAdapter, PMP_TCB pMpTcb)
+{
+	unsigned long lockflags;
+	TX_DESC_ENTRY_t *desc = NULL;
+	struct net_device_stats *stats = &pAdapter->net_stats;
+
+	if (MP_TEST_FLAG(pMpTcb, fMP_DEST_BROAD)) {
+		atomic_inc(&pAdapter->Stats.brdcstxmt);
+	} else if (MP_TEST_FLAG(pMpTcb, fMP_DEST_MULTI)) {
+		atomic_inc(&pAdapter->Stats.multixmt);
+	} else {
+		atomic_inc(&pAdapter->Stats.unixmt);
+	}
+
+	if (pMpTcb->Packet) {
+		stats->tx_bytes += pMpTcb->Packet->len;
+
+		/* Iterate through the TX descriptors on the ring
+		 * corresponding to this packet and umap the fragments
+		 * they point to
+		 */
+		DBG_TX(et131x_dbginfo,
+		       "Unmap descriptors Here\n"
+		       "TCB                  : 0x%p\n"
+		       "TCB Next             : 0x%p\n"
+		       "TCB PacketLength     : %d\n"
+		       "TCB WrIndex.value    : 0x%08x\n"
+		       "TCB WrIndex.bits.val : %d\n"
+		       "TCB WrIndex.value    : 0x%08x\n"
+		       "TCB WrIndex.bits.val : %d\n",
+		       pMpTcb,
+		       pMpTcb->Next,
+		       pMpTcb->PacketLength,
+		       pMpTcb->WrIndexStart.value,
+		       pMpTcb->WrIndexStart.bits.val,
+		       pMpTcb->WrIndex.value,
+		       pMpTcb->WrIndex.bits.val);
+
+		do {
+			desc =
+			    (TX_DESC_ENTRY_t *) (pAdapter->TxRing.
+						 pTxDescRingVa +
+						 pMpTcb->WrIndexStart.bits.val);
+
+			DBG_TX(et131x_dbginfo,
+			       "CURRENT DESCRIPTOR\n"
+			       "\tAddress           : 0x%p\n"
+			       "\tDataBufferPtrHigh : 0x%08x\n"
+			       "\tDataBufferPtrLow  : 0x%08x\n"
+			       "\tword2             : 0x%08x\n"
+			       "\tword3             : 0x%08x\n",
+			       desc,
+			       desc->DataBufferPtrHigh,
+			       desc->DataBufferPtrLow,
+			       desc->word2.value,
+			       desc->word3.value);
+
+			pci_unmap_single(pAdapter->pdev,
+					 desc->DataBufferPtrLow,
+					 desc->word2.value, PCI_DMA_TODEVICE);
+
+			if (++pMpTcb->WrIndexStart.bits.val >=
+			    NUM_DESC_PER_RING_TX) {
+				if (pMpTcb->WrIndexStart.bits.wrap) {
+					pMpTcb->WrIndexStart.value = 0;
+				} else {
+					pMpTcb->WrIndexStart.value = 0x400;
+				}
+			}
+		}
+		while (desc != (pAdapter->TxRing.pTxDescRingVa +
+				pMpTcb->WrIndex.bits.val));
+
+		DBG_TX(et131x_dbginfo,
+		       "Free Packet (SKB)   : 0x%p\n", pMpTcb->Packet);
+
+		dev_kfree_skb_any(pMpTcb->Packet);
+	}
+
+	memset(pMpTcb, 0, sizeof(MP_TCB));
+
+	/* Add the TCB to the Ready Q */
+	spin_lock_irqsave(&pAdapter->TCBReadyQLock, lockflags);
+
+	pAdapter->Stats.opackets++;
+
+	if (pAdapter->TxRing.TCBReadyQueueTail) {
+		pAdapter->TxRing.TCBReadyQueueTail->Next = pMpTcb;
+	} else {
+		/* Apparently ready Q is empty. */
+		pAdapter->TxRing.TCBReadyQueueHead = pMpTcb;
+	}
+
+	pAdapter->TxRing.TCBReadyQueueTail = pMpTcb;
+
+	spin_unlock_irqrestore(&pAdapter->TCBReadyQLock, lockflags);
+
+	DBG_ASSERT(pAdapter->TxRing.nBusySend >= 0);
+}
+
+/**
+ * et131x_free_busy_send_packets - Free and complete the stopped active sends
+ * @pAdapter: pointer to our adapter
+ *
+ * Assumption - Send spinlock has been acquired
+ */
+void et131x_free_busy_send_packets(struct et131x_adapter *pAdapter)
+{
+	PMP_TCB pMpTcb;
+	struct list_head *pEntry;
+	struct sk_buff *pPacket = NULL;
+	unsigned long lockflags;
+	uint32_t FreeCounter = 0;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	while (!list_empty(&pAdapter->TxRing.SendWaitQueue)) {
+		spin_lock_irqsave(&pAdapter->SendWaitLock, lockflags);
+
+		pAdapter->TxRing.nWaitSend--;
+		spin_unlock_irqrestore(&pAdapter->SendWaitLock, lockflags);
+
+		pEntry = pAdapter->TxRing.SendWaitQueue.next;
+
+		pPacket = NULL;
+	}
+
+	pAdapter->TxRing.nWaitSend = 0;
+
+	/* Any packets being sent? Check the first TCB on the send list */
+	spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags);
+
+	pMpTcb = pAdapter->TxRing.CurrSendHead;
+
+	while ((pMpTcb != NULL) && (FreeCounter < NUM_TCB)) {
+		PMP_TCB pNext = pMpTcb->Next;
+
+		pAdapter->TxRing.CurrSendHead = pNext;
+
+		if (pNext == NULL) {
+			pAdapter->TxRing.CurrSendTail = NULL;
+		}
+
+		pAdapter->TxRing.nBusySend--;
+
+		spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags);
+
+		DBG_VERBOSE(et131x_dbginfo, "pMpTcb = 0x%p\n", pMpTcb);
+
+		FreeCounter++;
+		MP_FREE_SEND_PACKET_FUN(pAdapter, pMpTcb);
+
+		spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags);
+
+		pMpTcb = pAdapter->TxRing.CurrSendHead;
+	}
+
+	if (FreeCounter == NUM_TCB) {
+		DBG_ERROR(et131x_dbginfo,
+			  "MpFreeBusySendPackets exitted loop for a bad reason\n");
+		BUG();
+	}
+
+	spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags);
+
+	pAdapter->TxRing.nBusySend = 0;
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_handle_send_interrupt - Interrupt handler for sending processing
+ * @pAdapter: pointer to our adapter
+ *
+ * Re-claim the send resources, complete sends and get more to send from
+ * the send wait queue.
+ *
+ * Assumption - Send spinlock has been acquired
+ */
+void et131x_handle_send_interrupt(struct et131x_adapter *pAdapter)
+{
+	DBG_TX_ENTER(et131x_dbginfo);
+
+	/* Mark as completed any packets which have been sent by the device. */
+	et131x_update_tcb_list(pAdapter);
+
+	/* If we queued any transmits because we didn't have any TCBs earlier,
+	 * dequeue and send those packets now, as long as we have free TCBs.
+	 */
+	et131x_check_send_wait_list(pAdapter);
+
+	DBG_TX_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_update_tcb_list - Helper routine for Send Interrupt handler
+ * @pAdapter: pointer to our adapter
+ *
+ * Re-claims the send resources and completes sends.  Can also be called as
+ * part of the NIC send routine when the "ServiceComplete" indication has
+ * wrapped.
+ */
+static void et131x_update_tcb_list(struct et131x_adapter *pAdapter)
+{
+	unsigned long lockflags;
+	DMA10W_t ServiceComplete;
+	PMP_TCB pMpTcb;
+
+	ServiceComplete.value =
+	    readl(&pAdapter->CSRAddress->txdma.NewServiceComplete.value);
+
+	/* Has the ring wrapped?  Process any descriptors that do not have
+	 * the same "wrap" indicator as the current completion indicator
+	 */
+	spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags);
+
+	pMpTcb = pAdapter->TxRing.CurrSendHead;
+	while (pMpTcb &&
+	       ServiceComplete.bits.wrap != pMpTcb->WrIndex.bits.wrap  &&
+	       ServiceComplete.bits.val < pMpTcb->WrIndex.bits.val) {
+		pAdapter->TxRing.nBusySend--;
+		pAdapter->TxRing.CurrSendHead = pMpTcb->Next;
+		if (pMpTcb->Next == NULL) {
+			pAdapter->TxRing.CurrSendTail = NULL;
+		}
+
+		spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags);
+		MP_FREE_SEND_PACKET_FUN(pAdapter, pMpTcb);
+		spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags);
+
+		/* Goto the next packet */
+		pMpTcb = pAdapter->TxRing.CurrSendHead;
+	}
+	while (pMpTcb &&
+	       ServiceComplete.bits.wrap == pMpTcb->WrIndex.bits.wrap &&
+	       ServiceComplete.bits.val > pMpTcb->WrIndex.bits.val) {
+		pAdapter->TxRing.nBusySend--;
+		pAdapter->TxRing.CurrSendHead = pMpTcb->Next;
+		if (pMpTcb->Next == NULL) {
+			pAdapter->TxRing.CurrSendTail = NULL;
+		}
+
+		spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags);
+		MP_FREE_SEND_PACKET_FUN(pAdapter, pMpTcb);
+		spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags);
+
+		/* Goto the next packet */
+		pMpTcb = pAdapter->TxRing.CurrSendHead;
+	}
+
+	/* Wake up the queue when we hit a low-water mark */
+	if (pAdapter->TxRing.nBusySend <= (NUM_TCB / 3)) {
+		netif_wake_queue(pAdapter->netdev);
+	}
+
+	spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags);
+}
+
+/**
+ * et131x_check_send_wait_list - Helper routine for the interrupt handler
+ * @pAdapter: pointer to our adapter
+ *
+ * Takes packets from the send wait queue and posts them to the device (if
+ * room available).
+ */
+static void et131x_check_send_wait_list(struct et131x_adapter *pAdapter)
+{
+	unsigned long lockflags;
+
+	spin_lock_irqsave(&pAdapter->SendWaitLock, lockflags);
+
+	while (!list_empty(&pAdapter->TxRing.SendWaitQueue) &&
+	       MP_TCB_RESOURCES_AVAILABLE(pAdapter)) {
+		struct list_head *pEntry;
+
+		DBG_VERBOSE(et131x_dbginfo, "Tx packets on the wait queue\n");
+
+		pEntry = pAdapter->TxRing.SendWaitQueue.next;
+
+		pAdapter->TxRing.nWaitSend--;
+
+		DBG_WARNING(et131x_dbginfo,
+			    "MpHandleSendInterrupt - sent a queued pkt. Waiting %d\n",
+			    pAdapter->TxRing.nWaitSend);
+	}
+
+	spin_unlock_irqrestore(&pAdapter->SendWaitLock, lockflags);
+}
diff --git a/drivers/staging/et131x/et1310_tx.h b/drivers/staging/et131x/et1310_tx.h
new file mode 100644
index 00000000000..2819c7843d2
--- /dev/null
+++ b/drivers/staging/et131x/et1310_tx.h
@@ -0,0 +1,242 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_tx.h - Defines, structs, enums, prototypes, etc. pertaining to data
+ *               transmission.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET1310_TX_H__
+#define __ET1310_TX_H__
+
+
+/* Typedefs for Tx Descriptor Ring */
+
+/*
+ * TXDESC_WORD2_t structure holds part of the control bits in the Tx Descriptor
+ * ring for the ET-1310
+ */
+typedef union _txdesc_word2_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 vlan_prio:3;		// bits 29-31(VLAN priority)
+		u32 vlan_cfi:1;		// bit 28(cfi)
+		u32 vlan_tag:12;		// bits 16-27(VLAN tag)
+		u32 length_in_bytes:16;	// bits  0-15(packet length)
+#else
+		u32 length_in_bytes:16;	// bits  0-15(packet length)
+		u32 vlan_tag:12;		// bits 16-27(VLAN tag)
+		u32 vlan_cfi:1;		// bit 28(cfi)
+		u32 vlan_prio:3;		// bits 29-31(VLAN priority)
+#endif	/* _BIT_FIELDS_HTOL */
+	} bits;
+} TXDESC_WORD2_t, *PTXDESC_WORD2_t;
+
+/*
+ * TXDESC_WORD3_t structure holds part of the control bits in the Tx Descriptor
+ * ring for the ET-1310
+ */
+typedef union _txdesc_word3_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:17;	// bits 15-31
+		u32 udpa:1;	// bit 14(UDP checksum assist)
+		u32 tcpa:1;	// bit 13(TCP checksum assist)
+		u32 ipa:1;		// bit 12(IP checksum assist)
+		u32 vlan:1;	// bit 11(append VLAN tag)
+		u32 hp:1;		// bit 10(Packet is a Huge packet)
+		u32 pp:1;		// bit  9(pad packet)
+		u32 mac:1;		// bit  8(MAC override)
+		u32 crc:1;		// bit  7(append CRC)
+		u32 e:1;		// bit  6(Tx frame has error)
+		u32 pf:1;		// bit  5(send pause frame)
+		u32 bp:1;		// bit  4(Issue half-duplex backpressure (XON/XOFF)
+		u32 cw:1;		// bit  3(Control word - no packet data)
+		u32 ir:1;		// bit  2(interrupt the processor when this pkt sent)
+		u32 f:1;		// bit  1(first packet in the sequence)
+		u32 l:1;		// bit  0(last packet in the sequence)
+#else
+		u32 l:1;		// bit  0(last packet in the sequence)
+		u32 f:1;		// bit  1(first packet in the sequence)
+		u32 ir:1;		// bit  2(interrupt the processor when this pkt sent)
+		u32 cw:1;		// bit  3(Control word - no packet data)
+		u32 bp:1;		// bit  4(Issue half-duplex backpressure (XON/XOFF)
+		u32 pf:1;		// bit  5(send pause frame)
+		u32 e:1;		// bit  6(Tx frame has error)
+		u32 crc:1;		// bit  7(append CRC)
+		u32 mac:1;		// bit  8(MAC override)
+		u32 pp:1;		// bit  9(pad packet)
+		u32 hp:1;		// bit 10(Packet is a Huge packet)
+		u32 vlan:1;	// bit 11(append VLAN tag)
+		u32 ipa:1;		// bit 12(IP checksum assist)
+		u32 tcpa:1;	// bit 13(TCP checksum assist)
+		u32 udpa:1;	// bit 14(UDP checksum assist)
+		u32 unused:17;	// bits 15-31
+#endif	/* _BIT_FIELDS_HTOL */
+	} bits;
+} TXDESC_WORD3_t, *PTXDESC_WORD3_t;
+
+/* TX_DESC_ENTRY_t is sructure representing each descriptor on the ring */
+typedef struct _tx_desc_entry_t {
+	u32 DataBufferPtrHigh;
+	u32 DataBufferPtrLow;
+	TXDESC_WORD2_t word2;	// control words how to xmit the
+	TXDESC_WORD3_t word3;	// data (detailed above)
+} TX_DESC_ENTRY_t, *PTX_DESC_ENTRY_t;
+
+
+/* Typedefs for Tx DMA engine status writeback */
+
+/*
+ * TX_STATUS_BLOCK_t is sructure representing the status of the Tx DMA engine
+ * it sits in free memory, and is pointed to by 0x101c / 0x1020
+ */
+typedef union _tx_status_block_t {
+	u32 value;
+	struct {
+#ifdef _BIT_FIELDS_HTOL
+		u32 unused:21;		// bits 11-31
+		u32 serv_cpl_wrap:1;	// bit 10
+		u32 serv_cpl:10;		// bits 0-9
+#else
+		u32 serv_cpl:10;		// bits 0-9
+		u32 serv_cpl_wrap:1;	// bit 10
+		u32 unused:21;		// bits 11-31
+#endif
+	} bits;
+} TX_STATUS_BLOCK_t, *PTX_STATUS_BLOCK_t;
+
+/* TCB (Transmit Control Block) */
+typedef struct _MP_TCB {
+	struct _MP_TCB *Next;
+	u32 Flags;
+	u32 Count;
+	u32 PacketStaleCount;
+	struct sk_buff *Packet;
+	u32 PacketLength;
+	DMA10W_t WrIndex;
+	DMA10W_t WrIndexStart;
+} MP_TCB, *PMP_TCB;
+
+/* Structure to hold the skb's in a list */
+typedef struct tx_skb_list_elem {
+	struct list_head skb_list_elem;
+	struct sk_buff *skb;
+} TX_SKB_LIST_ELEM, *PTX_SKB_LIST_ELEM;
+
+/* TX_RING_t is sructure representing our local reference(s) to the ring */
+typedef struct _tx_ring_t {
+	/* TCB (Transmit Control Block) memory and lists */
+	PMP_TCB MpTcbMem;
+
+	/* List of TCBs that are ready to be used */
+	PMP_TCB TCBReadyQueueHead;
+	PMP_TCB TCBReadyQueueTail;
+
+	/* list of TCBs that are currently being sent.  NOTE that access to all
+	 * three of these (including nBusySend) are controlled via the
+	 * TCBSendQLock.  This lock should be secured prior to incementing /
+	 * decrementing nBusySend, or any queue manipulation on CurrSendHead /
+	 * Tail
+	 */
+	PMP_TCB CurrSendHead;
+	PMP_TCB CurrSendTail;
+	int32_t nBusySend;
+
+	/* List of packets (not TCBs) that were queued for lack of resources */
+	struct list_head SendWaitQueue;
+	int32_t nWaitSend;
+
+	/* The actual descriptor ring */
+	PTX_DESC_ENTRY_t pTxDescRingVa;
+	dma_addr_t pTxDescRingPa;
+	uint64_t pTxDescRingAdjustedPa;
+	uint64_t TxDescOffset;
+
+	/* ReadyToSend indicates where we last wrote to in the descriptor ring. */
+	DMA10W_t txDmaReadyToSend;
+
+	/* The location of the write-back status block */
+	PTX_STATUS_BLOCK_t pTxStatusVa;
+	dma_addr_t pTxStatusPa;
+
+	/* A Block of zeroes used to pad packets that are less than 60 bytes */
+	void *pTxDummyBlkVa;
+	dma_addr_t pTxDummyBlkPa;
+
+	TXMAC_ERR_t TxMacErr;
+
+	/* Variables to track the Tx interrupt coalescing features */
+	int32_t TxPacketsSinceLastinterrupt;
+} TX_RING_t, *PTX_RING_t;
+
+/* Forward declaration of the frag-list for the following prototypes */
+typedef struct _MP_FRAG_LIST MP_FRAG_LIST, *PMP_FRAG_LIST;
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+/* PROTOTYPES for et1310_tx.c */
+int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter);
+void et131x_tx_dma_memory_free(struct et131x_adapter *adapter);
+void ConfigTxDmaRegs(struct et131x_adapter *pAdapter);
+void et131x_init_send(struct et131x_adapter *adapter);
+void et131x_tx_dma_disable(struct et131x_adapter *pAdapter);
+void et131x_tx_dma_enable(struct et131x_adapter *pAdapter);
+void et131x_handle_send_interrupt(struct et131x_adapter *pAdapter);
+void et131x_free_busy_send_packets(struct et131x_adapter *pAdapter);
+int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev);
+
+#endif /* __ET1310_TX_H__ */
diff --git a/drivers/staging/et131x/et131x_adapter.h b/drivers/staging/et131x/et131x_adapter.h
new file mode 100644
index 00000000000..36e61a47ae2
--- /dev/null
+++ b/drivers/staging/et131x/et131x_adapter.h
@@ -0,0 +1,347 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_adapter.h - Header which includes the private adapter structure, along
+ *                    with related support structures, macros, definitions, etc.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_ADAPTER_H__
+#define __ET131X_ADAPTER_H__
+
+#include "et1310_address_map.h"
+#include "et1310_tx.h"
+#include "et1310_rx.h"
+
+/*
+ * Do not change these values: if changed, then change also in respective
+ * TXdma and Rxdma engines
+ */
+#define NUM_DESC_PER_RING_TX         512	// TX Do not change these values
+#define NUM_TCB                      64
+
+/*
+ * These values are all superseded by registry entries to facilitate tuning.
+ * Once the desired performance has been achieved, the optimal registry values
+ * should be re-populated to these #defines:
+ */
+#define NUM_TRAFFIC_CLASSES          1
+
+/*
+ * There are three ways of counting errors - if there are more than X errors
+ * in Y packets (represented by the "SAMPLE" macros), if there are more than
+ * N errors in a S mSec time period (the "PERIOD" macros), or if there are
+ * consecutive packets with errors (CONSEC_ERRORED_THRESH).  This last covers
+ * for "Bursty" errors, and the errored packets may well not be contiguous,
+ * but several errors where the packet counter has changed by less than a
+ * small amount will cause this count to increment.
+ */
+#define TX_PACKETS_IN_SAMPLE        10000
+#define TX_MAX_ERRORS_IN_SAMPLE     50
+
+#define TX_ERROR_PERIOD             1000
+#define TX_MAX_ERRORS_IN_PERIOD     10
+
+#define LINK_DETECTION_TIMER        5000
+
+#define TX_CONSEC_RANGE             5
+#define TX_CONSEC_ERRORED_THRESH    10
+
+#define LO_MARK_PERCENT_FOR_PSR     15
+#define LO_MARK_PERCENT_FOR_RX      15
+
+/* Macros for flag and ref count operations        */
+#define MP_SET_FLAG(_M, _F)         ((_M)->Flags |= (_F))
+#define MP_CLEAR_FLAG(_M, _F)       ((_M)->Flags &= ~(_F))
+#define MP_CLEAR_FLAGS(_M)          ((_M)->Flags = 0)
+#define MP_TEST_FLAG(_M, _F)        (((_M)->Flags & (_F)) != 0)
+#define MP_TEST_FLAGS(_M, _F)       (((_M)->Flags & (_F)) == (_F))
+#define MP_IS_FLAG_CLEAR(_M, _F)    (((_M)->Flags & (_F)) == 0)
+
+#define MP_INC_RCV_REF(_A)          atomic_inc(&(_A)->RcvRefCount)
+#define MP_DEC_RCV_REF(_A)          atomic_dec(&(_A)->RcvRefCount)
+#define MP_GET_RCV_REF(_A)          atomic_read(&(_A)->RcvRefCount)
+
+/* Macros specific to the private adapter structure */
+#define MP_TCB_RESOURCES_AVAILABLE(_M) ((_M)->TxRing.nBusySend < NUM_TCB)
+#define MP_TCB_RESOURCES_NOT_AVAILABLE(_M) ((_M)->TxRing.nBusySend >= NUM_TCB)
+
+#define MP_SHOULD_FAIL_SEND(_M)   ((_M)->Flags & fMP_ADAPTER_FAIL_SEND_MASK)
+#define MP_IS_NOT_READY(_M)       ((_M)->Flags & fMP_ADAPTER_NOT_READY_MASK)
+#define MP_IS_READY(_M)           !((_M)->Flags & fMP_ADAPTER_NOT_READY_MASK)
+
+#define MP_HAS_CABLE(_M)           !((_M)->Flags & fMP_ADAPTER_NO_CABLE)
+#define MP_LINK_DETECTED(_M)       !((_M)->Flags & fMP_ADAPTER_LINK_DETECTION)
+
+/* Counters for error rate monitoring */
+typedef struct _MP_ERR_COUNTERS {
+	u32 PktCountTxPackets;
+	u32 PktCountTxErrors;
+	u32 TimerBasedTxErrors;
+	u32 PktCountLastError;
+	u32 ErredConsecPackets;
+} MP_ERR_COUNTERS, *PMP_ERR_COUNTERS;
+
+/* RFD (Receive Frame Descriptor) */
+typedef struct _MP_RFD {
+	struct list_head list_node;
+	struct sk_buff *Packet;
+	u32 PacketSize;	// total size of receive frame
+	u16 iBufferIndex;
+	u8 iRingIndex;
+} MP_RFD, *PMP_RFD;
+
+/* Enum for Flow Control */
+typedef enum _eflow_control_t {
+	Both = 0,
+	TxOnly = 1,
+	RxOnly = 2,
+	None = 3
+} eFLOW_CONTROL_t, *PeFLOW_CONTROL_t;
+
+/* Struct to define some device statistics */
+typedef struct _ce_stats_t {
+	/* Link Input/Output stats */
+	uint64_t ipackets;	// # of in packets
+	uint64_t opackets;	// # of out packets
+
+	/* MIB II variables
+	 *
+	 * NOTE: atomic_t types are only guaranteed to store 24-bits; if we
+	 * MUST have 32, then we'll need another way to perform atomic
+	 * operations
+	 */
+	u32 unircv;	// # multicast packets received
+	atomic_t unixmt;	// # multicast packets for Tx
+	u32 multircv;	// # multicast packets received
+	atomic_t multixmt;	// # multicast packets for Tx
+	u32 brdcstrcv;	// # broadcast packets received
+	atomic_t brdcstxmt;	// # broadcast packets for Tx
+	u32 norcvbuf;	// # Rx packets discarded
+	u32 noxmtbuf;	// # Tx packets discarded
+
+	/* Transciever state informations. */
+	u8 xcvr_addr;
+	u32 xcvr_id;
+
+	/* Tx Statistics. */
+	u32 tx_uflo;		// Tx Underruns
+
+	u32 collisions;
+	u32 excessive_collisions;
+	u32 first_collision;
+	u32 late_collisions;
+	u32 max_pkt_error;
+	u32 tx_deferred;
+
+	/* Rx Statistics. */
+	u32 rx_ov_flow;	// Rx Over Flow
+
+	u32 length_err;
+	u32 alignment_err;
+	u32 crc_err;
+	u32 code_violations;
+	u32 other_errors;
+
+#ifdef CONFIG_ET131X_DEBUG
+	u32 UnhandledInterruptsPerSec;
+	u32 RxDmaInterruptsPerSec;
+	u32 TxDmaInterruptsPerSec;
+	u32 WatchDogInterruptsPerSec;
+#endif	/* CONFIG_ET131X_DEBUG */
+
+	u32 SynchrounousIterations;
+	INTERRUPT_t InterruptStatus;
+} CE_STATS_t, *PCE_STATS_t;
+
+/* The private adapter structure */
+struct et131x_adapter {
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+
+	struct work_struct task;
+
+	/* Flags that indicate current state of the adapter */
+	u32 Flags;
+	u32 HwErrCount;
+
+	/* Configuration  */
+	u8 PermanentAddress[ETH_ALEN];
+	u8 CurrentAddress[ETH_ALEN];
+	bool bOverrideAddress;
+	bool bEepromPresent;
+	u8 eepromData[2];
+
+	/* Spinlocks */
+	spinlock_t Lock;
+
+	spinlock_t TCBSendQLock;
+	spinlock_t TCBReadyQLock;
+	spinlock_t SendHWLock;
+	spinlock_t SendWaitLock;
+
+	spinlock_t RcvLock;
+	spinlock_t RcvPendLock;
+	spinlock_t FbrLock;
+
+	spinlock_t PHYLock;
+
+	/* Packet Filter and look ahead size */
+	u32 PacketFilter;
+	u32 ulLookAhead;
+	u32 uiLinkSpeed;
+	u32 uiDuplexMode;
+	u32 uiAutoNegStatus;
+	u8 ucLinkStatus;
+
+	/* multicast list */
+	u32 MCAddressCount;
+	u8 MCList[NIC_MAX_MCAST_LIST][ETH_ALEN];
+
+	/* MAC test */
+	TXMAC_TXTEST_t TxMacTest;
+
+	/* Pointer to the device's PCI register space */
+	ADDRESS_MAP_t __iomem *CSRAddress;
+
+	/* PCI config space info, for debug purposes only. */
+	u8 RevisionID;
+	u16 VendorID;
+	u16 DeviceID;
+	u16 SubVendorID;
+	u16 SubSystemID;
+	u32 CacheFillSize;
+	u16 PciXDevCtl;
+	u8 pci_lat_timer;
+	u8 pci_hdr_type;
+	u8 pci_bist;
+	u32 pci_cfg_state[64 / sizeof(u32)];
+
+	/* Registry parameters */
+	u8 SpeedDuplex;		// speed/duplex
+	eFLOW_CONTROL_t RegistryFlowControl;	// for 802.3x flow control
+	u8 RegistryWOLMatch;	// Enable WOL pattern-matching
+	u8 RegistryWOLLink;	// Link state change is independant
+	u8 RegistryPhyComa;	// Phy Coma mode enable/disable
+
+	u32 RegistryRxMemEnd;	// Size of internal rx memory
+	u8 RegistryMACStat;	// If set, read MACSTAT, else don't
+	u32 RegistryVlanTag;	// 802.1q Vlan TAG
+	u32 RegistryJumboPacket;	// Max supported ethernet packet size
+
+	u32 RegistryTxNumBuffers;
+	u32 RegistryTxTimeInterval;
+
+	u32 RegistryRxNumBuffers;
+	u32 RegistryRxTimeInterval;
+
+	/* Validation helpers */
+	u8 RegistryPMWOL;
+	u8 RegistryNMIDisable;
+	u32 RegistryDMACache;
+	u32 RegistrySCGain;
+	u8 RegistryPhyLoopbk;	// Enable Phy loopback
+
+	/* Derived from the registry: */
+	u8 AiForceDpx;		// duplex setting
+	u16 AiForceSpeed;		// 'Speed', user over-ride of line speed
+	eFLOW_CONTROL_t FlowControl;	// flow control validated by the far-end
+	enum {
+		NETIF_STATUS_INVALID = 0,
+		NETIF_STATUS_MEDIA_CONNECT,
+		NETIF_STATUS_MEDIA_DISCONNECT,
+		NETIF_STATUS_MAX
+	} MediaState;
+	u8 DriverNoPhyAccess;
+
+	/* Minimize init-time */
+	bool bQueryPending;
+	bool bSetPending;
+	bool bResetPending;
+	struct timer_list ErrorTimer;
+	bool bLinkTimerActive;
+	MP_POWER_MGMT PoMgmt;
+	INTERRUPT_t CachedMaskValue;
+
+	atomic_t RcvRefCount;	// Num packets not yet returned
+
+	/* Xcvr status at last poll */
+	MI_BMSR_t Bmsr;
+
+	/* Tx Memory Variables */
+	TX_RING_t TxRing;
+
+	/* Rx Memory Variables */
+	RX_RING_t RxRing;
+
+	/* ET1310 register Access */
+	JAGCORE_ACCESS_REGS JagCoreRegs;
+	PCI_CFG_SPACE_REGS PciCfgRegs;
+
+	/* Loopback specifics */
+	u8 ReplicaPhyLoopbk;	// Replica Enable
+	u8 ReplicaPhyLoopbkPF;	// Replica Enable Pass/Fail
+
+	/* Stats */
+	CE_STATS_t Stats;
+
+	struct net_device_stats net_stats;
+	struct net_device_stats net_stats_prev;
+};
+
+#define MPSendPacketsHandler  MPSendPackets
+#define MP_FREE_SEND_PACKET_FUN(Adapter, pMpTcb) \
+	et131x_free_send_packet(Adapter, pMpTcb)
+#define MpSendPacketFun(Adapter, Packet) MpSendPacket(Adapter, Packet)
+
+#endif /* __ET131X_ADAPTER_H__ */
diff --git a/drivers/staging/et131x/et131x_config.c b/drivers/staging/et131x/et131x_config.c
new file mode 100644
index 00000000000..0adbaa6ca07
--- /dev/null
+++ b/drivers/staging/et131x/et131x_config.c
@@ -0,0 +1,325 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_config.c - Handles parsing of configuration data during
+ *                   initialization.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+#include "et131x_config.h"
+
+#include "et1310_tx.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+/* Defines for Parameter Default/Min/Max vaules */
+#define PARM_SPEED_DUPLEX_DEF   0
+#define PARM_SPEED_DUPLEX_MIN   0
+#define PARM_SPEED_DUPLEX_MAX   5
+
+#define PARM_VLAN_TAG_DEF       0
+#define PARM_VLAN_TAG_MIN       0
+#define PARM_VLAN_TAG_MAX       4095
+
+#define PARM_FLOW_CTL_DEF       0
+#define PARM_FLOW_CTL_MIN       0
+#define PARM_FLOW_CTL_MAX       3
+
+#define PARM_WOL_LINK_DEF       3
+#define PARM_WOL_LINK_MIN       0
+#define PARM_WOL_LINK_MAX       3
+
+#define PARM_WOL_MATCH_DEF      7
+#define PARM_WOL_MATCH_MIN      0
+#define PARM_WOL_MATCH_MAX      7
+
+#define PARM_JUMBO_PKT_DEF      1514
+#define PARM_JUMBO_PKT_MIN      1514
+#define PARM_JUMBO_PKT_MAX      9216
+
+#define PARM_PHY_COMA_DEF       0
+#define PARM_PHY_COMA_MIN       0
+#define PARM_PHY_COMA_MAX       1
+
+#define PARM_RX_NUM_BUFS_DEF    4
+#define PARM_RX_NUM_BUFS_MIN    1
+#define PARM_RX_NUM_BUFS_MAX    64
+
+#define PARM_RX_TIME_INT_DEF    10
+#define PARM_RX_TIME_INT_MIN    2
+#define PARM_RX_TIME_INT_MAX    320
+
+#define PARM_TX_NUM_BUFS_DEF    4
+#define PARM_TX_NUM_BUFS_MIN    1
+#define PARM_TX_NUM_BUFS_MAX    40
+
+#define PARM_TX_TIME_INT_DEF    40
+#define PARM_TX_TIME_INT_MIN    1
+#define PARM_TX_TIME_INT_MAX    140
+
+#define PARM_RX_MEM_END_DEF     0x2bc
+#define PARM_RX_MEM_END_MIN     0
+#define PARM_RX_MEM_END_MAX     0x3ff
+
+#define PARM_MAC_STAT_DEF       1
+#define PARM_MAC_STAT_MIN       0
+#define PARM_MAC_STAT_MAX       1
+
+#define PARM_SC_GAIN_DEF        7
+#define PARM_SC_GAIN_MIN        0
+#define PARM_SC_GAIN_MAX        7
+
+#define PARM_PM_WOL_DEF         0
+#define PARM_PM_WOL_MIN         0
+#define PARM_PM_WOL_MAX         1
+
+#define PARM_NMI_DISABLE_DEF    0
+#define PARM_NMI_DISABLE_MIN    0
+#define PARM_NMI_DISABLE_MAX    2
+
+#define PARM_DMA_CACHE_DEF      0
+#define PARM_DMA_CACHE_MIN      0
+#define PARM_DMA_CACHE_MAX      15
+
+#define PARM_PHY_LOOPBK_DEF     0
+#define PARM_PHY_LOOPBK_MIN     0
+#define PARM_PHY_LOOPBK_MAX     1
+
+#define PARM_MAC_ADDRESS_DEF    { 0x00, 0x05, 0x3d, 0x00, 0x02, 0x00 }
+
+/* Module parameter for disabling NMI
+ * et131x_speed_set :
+ * Set Link speed and dublex manually (0-5)  [0]
+ *  1 : 10Mb   Half-Duplex
+ *  2 : 10Mb   Full-Duplex
+ *  3 : 100Mb  Half-Duplex
+ *  4 : 100Mb  Full-Duplex
+ *  5 : 1000Mb Full-Duplex
+ *  0 : Auto Speed Auto Dublex // default
+ */
+static u32 et131x_nmi_disable = PARM_NMI_DISABLE_DEF;
+module_param(et131x_nmi_disable, uint, 0);
+MODULE_PARM_DESC(et131x_nmi_disable, "Disable NMI (0-2) [0]");
+
+/* Module parameter for manual speed setting
+ * et131x_nmi_disable :
+ * Disable NMI (0-2) [0]
+ *  0 :
+ *  1 :
+ *  2 :
+ */
+static u32 et131x_speed_set = PARM_SPEED_DUPLEX_DEF;
+module_param(et131x_speed_set, uint, 0);
+MODULE_PARM_DESC(et131x_speed_set,
+		 "Set Link speed and dublex manually (0-5)  [0] \n  1 : 10Mb   Half-Duplex \n  2 : 10Mb   Full-Duplex \n  3 : 100Mb  Half-Duplex \n  4 : 100Mb  Full-Duplex \n  5 : 1000Mb Full-Duplex \n 0 : Auto Speed Auto Dublex");
+
+/**
+ * et131x_config_parse
+ * @pAdapter: pointer to the private adapter struct
+ *
+ * Parses a configuration from some location (module parameters, for example)
+ * into the private adapter struct
+ */
+void et131x_config_parse(struct et131x_adapter *pAdapter)
+{
+	uint8_t macAddrDef[] = PARM_MAC_ADDRESS_DEF;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/*
+	 * The NDIS driver uses the registry to store persistent per-device
+	 * configuration, and reads this configuration into the appropriate
+	 * elements of the private adapter structure on initialization.
+	 * Because Linux has no analog to the registry, use this function to
+	 * initialize the private adapter structure with a default
+	 * configuration.
+	 *
+	 * One other possibility is to use a series of module parameters which
+	 * can be passed in by the caller when the module is initialized.
+	 * However, this implementation does not allow for seperate
+	 * configurations in the event multiple devices are present, and hence
+	 * will not suffice.
+	 *
+	 * If another method is derived which addresses this problem, this is
+	 * where it should be implemented.
+	 */
+
+	 /* Set the private adapter struct with default values for the
+	  * corresponding parameters
+	  */
+	if (et131x_speed_set != PARM_SPEED_DUPLEX_DEF) {
+		DBG_VERBOSE(et131x_dbginfo, "Speed set manually to : %d \n",
+			    et131x_speed_set);
+		pAdapter->SpeedDuplex = et131x_speed_set;
+	} else {
+		pAdapter->SpeedDuplex = PARM_SPEED_DUPLEX_DEF;
+	}
+
+	//  pAdapter->SpeedDuplex            = PARM_SPEED_DUPLEX_DEF;
+
+	pAdapter->RegistryVlanTag = PARM_VLAN_TAG_DEF;
+	pAdapter->RegistryFlowControl = PARM_FLOW_CTL_DEF;
+	pAdapter->RegistryWOLLink = PARM_WOL_LINK_DEF;
+	pAdapter->RegistryWOLMatch = PARM_WOL_MATCH_DEF;
+	pAdapter->RegistryJumboPacket = PARM_JUMBO_PKT_DEF;
+	pAdapter->RegistryPhyComa = PARM_PHY_COMA_DEF;
+	pAdapter->RegistryRxNumBuffers = PARM_RX_NUM_BUFS_DEF;
+	pAdapter->RegistryRxTimeInterval = PARM_RX_TIME_INT_DEF;
+	pAdapter->RegistryTxNumBuffers = PARM_TX_NUM_BUFS_DEF;
+	pAdapter->RegistryTxTimeInterval = PARM_TX_TIME_INT_DEF;
+	pAdapter->RegistryRxMemEnd = PARM_RX_MEM_END_DEF;
+	pAdapter->RegistryMACStat = PARM_MAC_STAT_DEF;
+	pAdapter->RegistrySCGain = PARM_SC_GAIN_DEF;
+	pAdapter->RegistryPMWOL = PARM_PM_WOL_DEF;
+
+	if (et131x_nmi_disable != PARM_NMI_DISABLE_DEF) {
+		pAdapter->RegistryNMIDisable = et131x_nmi_disable;
+	} else {
+		pAdapter->RegistryNMIDisable = PARM_NMI_DISABLE_DEF;
+	}
+
+	pAdapter->RegistryDMACache = PARM_DMA_CACHE_DEF;
+	pAdapter->RegistryPhyLoopbk = PARM_PHY_LOOPBK_DEF;
+
+	/* Set the MAC address to a default */
+	memcpy(pAdapter->CurrentAddress, macAddrDef, ETH_ALEN);
+	pAdapter->bOverrideAddress = false;
+
+	DBG_TRACE(et131x_dbginfo,
+		  "Default MAC Address  : %02x:%02x:%02x:%02x:%02x:%02x\n",
+		  pAdapter->CurrentAddress[0], pAdapter->CurrentAddress[1],
+		  pAdapter->CurrentAddress[2], pAdapter->CurrentAddress[3],
+		  pAdapter->CurrentAddress[4], pAdapter->CurrentAddress[5]);
+
+	/* Decode SpeedDuplex
+	 *
+	 * Set up as if we are auto negotiating always and then change if we
+	 * go into force mode
+	 */
+	pAdapter->AiForceSpeed = 0;	// Auto speed
+	pAdapter->AiForceDpx = 0;	// Auto FDX
+
+	/* If we are the 10/100 device, and gigabit is somehow requested then
+	 * knock it down to 100 full.
+	 */
+	if ((pAdapter->DeviceID == ET131X_PCI_DEVICE_ID_FAST) &&
+	    (pAdapter->SpeedDuplex == 5)) {
+		pAdapter->SpeedDuplex = 4;
+	}
+
+	switch (pAdapter->SpeedDuplex) {
+	case 1:		// 10Mb   Half-Duplex
+		pAdapter->AiForceSpeed = 10;
+		pAdapter->AiForceDpx = 1;
+		break;
+
+	case 2:		// 10Mb   Full-Duplex
+		pAdapter->AiForceSpeed = 10;
+		pAdapter->AiForceDpx = 2;
+		break;
+
+	case 3:		// 100Mb  Half-Duplex
+		pAdapter->AiForceSpeed = 100;
+		pAdapter->AiForceDpx = 1;
+		break;
+
+	case 4:		// 100Mb  Full-Duplex
+		pAdapter->AiForceSpeed = 100;
+		pAdapter->AiForceDpx = 2;
+		break;
+
+	case 5:		// 1000Mb Full-Duplex
+		pAdapter->AiForceSpeed = 1000;
+		pAdapter->AiForceDpx = 2;
+		break;
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
diff --git a/drivers/staging/et131x/et131x_config.h b/drivers/staging/et131x/et131x_config.h
new file mode 100644
index 00000000000..642c0f6dd6f
--- /dev/null
+++ b/drivers/staging/et131x/et131x_config.h
@@ -0,0 +1,67 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_config.h - Defines, structs, enums, prototypes, etc. to support
+ *                   et131x_config.c
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_CONFIG_H__
+#define __ET131X_CONFIG_H__
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+void et131x_config_parse(struct et131x_adapter *adapter);
+
+#endif /* __ET131X_CONFIG_H__ */
diff --git a/drivers/staging/et131x/et131x_debug.c b/drivers/staging/et131x/et131x_debug.c
new file mode 100644
index 00000000000..9ee5bce92c2
--- /dev/null
+++ b/drivers/staging/et131x/et131x_debug.c
@@ -0,0 +1,218 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_debug.c - Routines used for debugging.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifdef CONFIG_ET131X_DEBUG
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+#include <linux/random.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_netdev.h"
+#include "et131x_config.h"
+#include "et131x_isr.h"
+
+#include "et1310_address_map.h"
+#include "et1310_jagcore.h"
+#include "et1310_tx.h"
+#include "et1310_rx.h"
+#include "et1310_mac.h"
+
+/* Data for debugging facilities */
+extern dbg_info_t *et131x_dbginfo;
+
+/**
+ * DumpTxQueueContents - Dump out the tx queue and the shadow pointers
+ * @pAdapter: pointer to our adapter structure
+ */
+void DumpTxQueueContents(int dbgLvl, struct et131x_adapter *pAdapter)
+{
+	MMC_t __iomem *mmc = &pAdapter->CSRAddress->mmc;
+	uint32_t TxQueueAddr;
+
+	if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) {
+		for (TxQueueAddr = 0x200; TxQueueAddr < 0x3ff; TxQueueAddr++) {
+			MMC_SRAM_ACCESS_t sram_access;
+
+			sram_access.value = readl(&mmc->sram_access.value);
+			sram_access.bits.req_addr = TxQueueAddr;
+			sram_access.bits.req_access = 1;
+			writel(sram_access.value, &mmc->sram_access.value);
+
+			DBG_PRINT("Addr 0x%x, Access 0x%08x\t"
+				  "Value 1 0x%08x, Value 2 0x%08x, "
+				  "Value 3 0x%08x, Value 4 0x%08x, \n",
+				  TxQueueAddr,
+				  readl(&mmc->sram_access.value),
+				  readl(&mmc->sram_word1),
+				  readl(&mmc->sram_word2),
+				  readl(&mmc->sram_word3),
+				  readl(&mmc->sram_word4));
+		}
+
+		DBG_PRINT("Shadow Pointers 0x%08x\n",
+			  readl(&pAdapter->CSRAddress->txmac.shadow_ptr.value));
+	}
+}
+
+/**
+ * DumpDeviceBlock
+ * @pAdapter: pointer to our adapter
+ *
+ * Dumps the first 64 regs of each block of the et-1310 (each block is
+ * mapped to a new page, each page is 4096 bytes).
+ */
+#define NUM_BLOCKS 8
+void DumpDeviceBlock(int dbgLvl, struct et131x_adapter *pAdapter,
+		     uint32_t Block)
+{
+	uint32_t Address1, Address2;
+	uint32_t __iomem *BigDevicePointer =
+		(uint32_t __iomem *) pAdapter->CSRAddress;
+	const char *BlockNames[NUM_BLOCKS] = {
+		"Global", "Tx DMA", "Rx DMA", "Tx MAC",
+		"Rx MAC", "MAC", "MAC Stat", "MMC"
+	};
+
+	/* Output the debug counters to the debug terminal */
+	if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) {
+		DBG_PRINT("%s block\n", BlockNames[Block]);
+		BigDevicePointer += Block * 1024;
+		for (Address1 = 0; Address1 < 8; Address1++) {
+			for (Address2 = 0; Address2 < 8; Address2++) {
+				if (Block == 0 &&
+				    (Address1 * 8 + Address2) == 6) {
+					DBG_PRINT("  ISR    , ");
+				} else {
+					DBG_PRINT("0x%08x, ",
+						  readl(BigDevicePointer++));
+				}
+			}
+			DBG_PRINT("\n");
+		}
+		DBG_PRINT("\n");
+	}
+}
+
+/**
+ * DumpDeviceReg
+ * @pAdapter: pointer to our adapter
+ *
+ * Dumps the first 64 regs of each block of the et-1310 (each block is
+ * mapped to a new page, each page is 4096 bytes).
+ */
+void DumpDeviceReg(int dbgLvl, struct et131x_adapter *pAdapter)
+{
+	uint32_t Address1, Address2;
+	uint32_t Block;
+	uint32_t __iomem *BigDevicePointer =
+		(uint32_t __iomem *) pAdapter->CSRAddress;
+	uint32_t __iomem *Pointer;
+	const char *BlockNames[NUM_BLOCKS] = {
+		"Global", "Tx DMA", "Rx DMA", "Tx MAC",
+		"Rx MAC", "MAC", "MAC Stat", "MMC"
+	};
+
+	/* Output the debug counters to the debug terminal */
+	if (DBG_FLAGS(et131x_dbginfo) & dbgLvl) {
+		for (Block = 0; Block < NUM_BLOCKS; Block++) {
+			DBG_PRINT("%s block\n", BlockNames[Block]);
+			Pointer = BigDevicePointer + (Block * 1024);
+
+			for (Address1 = 0; Address1 < 8; Address1++) {
+				for (Address2 = 0; Address2 < 8; Address2++) {
+					DBG_PRINT("0x%08x, ",
+						  readl(Pointer++));
+				}
+				DBG_PRINT("\n");
+			}
+			DBG_PRINT("\n");
+		}
+	}
+}
+
+#endif // CONFIG_ET131X_DEBUG
diff --git a/drivers/staging/et131x/et131x_debug.h b/drivers/staging/et131x/et131x_debug.h
new file mode 100644
index 00000000000..dab608031d0
--- /dev/null
+++ b/drivers/staging/et131x/et131x_debug.h
@@ -0,0 +1,201 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_debug.h - Defines, structs, enums, prototypes, etc. used for
+ *                  outputting debug messages to the system logging facility
+ *                  (ksyslogd)
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_DBG_H__
+#define __ET131X_DBG_H__
+
+/* Define Masks for debugging types/levels */
+#define DBG_ERROR_ON        0x00000001L
+#define DBG_WARNING_ON      0x00000002L
+#define DBG_NOTICE_ON       0x00000004L
+#define DBG_TRACE_ON        0x00000008L
+#define DBG_VERBOSE_ON      0x00000010L
+#define DBG_PARAM_ON        0x00000020L
+#define DBG_BREAK_ON        0x00000040L
+#define DBG_RX_ON           0x00000100L
+#define DBG_TX_ON           0x00000200L
+
+#ifdef CONFIG_ET131X_DEBUG
+
+/*
+ * Set the level of debugging if not done with a preprocessor define. See
+ * et131x_main.c, function et131x_init_module() for how the debug level
+ * translates into the types of messages displayed.
+ */
+#ifndef DBG_LVL
+#define DBG_LVL	3
+#endif /* DBG_LVL */
+
+#define DBG_DEFAULTS		(DBG_ERROR_ON | DBG_WARNING_ON | DBG_BREAK_ON )
+
+#define DBG_FLAGS(A)		(A)->dbgFlags
+#define DBG_NAME(A)		(A)->dbgName
+#define DBG_LEVEL(A)		(A)->dbgLevel
+
+#ifndef DBG_PRINT
+#define DBG_PRINT(S...)		printk(KERN_DEBUG S)
+#endif /* DBG_PRINT */
+
+#ifndef DBG_PRINTC
+#define DBG_PRINTC(S...)	printk(S)
+#endif /* DBG_PRINTC */
+
+#ifndef DBG_TRAP
+#define DBG_TRAP		{}	/* BUG() */
+#endif /* DBG_TRAP */
+
+#define _ENTER_STR	">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
+#define _LEAVE_STR	"<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
+
+#define _DBG_ENTER(A)	printk(KERN_DEBUG "%s:%.*s:%s\n", DBG_NAME(A),	\
+				++DBG_LEVEL(A), _ENTER_STR, __func__)
+#define _DBG_LEAVE(A)	printk(KERN_DEBUG "%s:%.*s:%s\n", DBG_NAME(A),	\
+				DBG_LEVEL(A)--, _LEAVE_STR, __func__)
+
+#define DBG_ENTER(A)        {if (DBG_FLAGS(A) & DBG_TRACE_ON) \
+                                _DBG_ENTER(A);}
+
+#define DBG_LEAVE(A)        {if (DBG_FLAGS(A) & DBG_TRACE_ON) \
+                                _DBG_LEAVE(A);}
+
+#define DBG_PARAM(A,N,F,S...)   {if (DBG_FLAGS(A) & DBG_PARAM_ON) \
+                                    DBG_PRINT("  %s -- "F"\n",N,S);}
+
+#define DBG_ERROR(A,S...)	\
+	if (DBG_FLAGS(A) & DBG_ERROR_ON) {				\
+		DBG_PRINT("%s:ERROR:%s ",DBG_NAME(A), __func__);	\
+		DBG_PRINTC(S);						\
+		DBG_TRAP;						\
+	}
+
+#define DBG_WARNING(A,S...) {if (DBG_FLAGS(A) & DBG_WARNING_ON) \
+                                {DBG_PRINT("%s:WARNING:%s ",DBG_NAME(A),__func__);DBG_PRINTC(S);}}
+
+#define DBG_NOTICE(A,S...)  {if (DBG_FLAGS(A) & DBG_NOTICE_ON) \
+                                {DBG_PRINT("%s:NOTICE:%s ",DBG_NAME(A),__func__);DBG_PRINTC(S);}}
+
+#define DBG_TRACE(A,S...)   {if (DBG_FLAGS(A) & DBG_TRACE_ON) \
+                                {DBG_PRINT("%s:TRACE:%s ",DBG_NAME(A), __func__);DBG_PRINTC(S);}}
+
+#define DBG_VERBOSE(A,S...) {if (DBG_FLAGS(A) & DBG_VERBOSE_ON) \
+                                {DBG_PRINT("%s:VERBOSE:%s ",DBG_NAME(A), __func__);DBG_PRINTC(S);}}
+
+#define DBG_RX(A,S...)      {if (DBG_FLAGS(A) & DBG_RX_ON) \
+                                {DBG_PRINT(S);}}
+
+#define DBG_RX_ENTER(A)     {if (DBG_FLAGS(A) & DBG_RX_ON) \
+                                _DBG_ENTER(A);}
+
+#define DBG_RX_LEAVE(A)     {if (DBG_FLAGS(A) & DBG_RX_ON) \
+                                _DBG_LEAVE(A);}
+
+#define DBG_TX(A,S...)      {if (DBG_FLAGS(A) & DBG_TX_ON) \
+                                {DBG_PRINT(S);}}
+
+#define DBG_TX_ENTER(A)     {if (DBG_FLAGS(A) & DBG_TX_ON) \
+                                _DBG_ENTER(A);}
+
+#define DBG_TX_LEAVE(A)     {if (DBG_FLAGS(A) & DBG_TX_ON) \
+                                _DBG_LEAVE(A);}
+
+#define DBG_ASSERT(C)       {if (!(C)) \
+                                {DBG_PRINT("ASSERT(%s) -- %s#%d (%s)\n", \
+                                    #C,__FILE__,__LINE__,__func__); \
+                                DBG_TRAP;}}
+#define STATIC
+
+typedef struct {
+	char *dbgName;
+	int dbgLevel;
+	unsigned long dbgFlags;
+} dbg_info_t;
+
+#else /* CONFIG_ET131X_DEBUG */
+
+#define DBG_DEFN
+#define DBG_TRAP
+#define DBG_PRINT(S...)
+#define DBG_ENTER(A)
+#define DBG_LEAVE(A)
+#define DBG_PARAM(A,N,F,S...)
+#define DBG_ERROR(A,S...)
+#define DBG_WARNING(A,S...)
+#define DBG_NOTICE(A,S...)
+#define DBG_TRACE(A,S...)
+#define DBG_VERBOSE(A,S...)
+#define DBG_RX(A,S...)
+#define DBG_RX_ENTER(A)
+#define DBG_RX_LEAVE(A)
+#define DBG_TX(A,S...)
+#define DBG_TX_ENTER(A)
+#define DBG_TX_LEAVE(A)
+#define DBG_ASSERT(C)
+#define STATIC static
+
+#endif /* CONFIG_ET131X_DEBUG */
+
+/* Forward declaration of the private adapter structure */
+struct et131x_adapter;
+
+void DumpTxQueueContents(int dbgLvl, struct et131x_adapter *adapter);
+void DumpDeviceBlock(int dbgLvl, struct et131x_adapter *adapter,
+		     unsigned int Block);
+void DumpDeviceReg(int dbgLvl, struct et131x_adapter *adapter);
+
+#endif /* __ET131X_DBG_H__ */
diff --git a/drivers/staging/et131x/et131x_defs.h b/drivers/staging/et131x/et131x_defs.h
new file mode 100644
index 00000000000..886cb78698e
--- /dev/null
+++ b/drivers/staging/et131x/et131x_defs.h
@@ -0,0 +1,128 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_defs.h - Defines, structs, enums, prototypes, etc. to assist with OS
+ *                 compatibility
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_DEFS_H__
+#define __ET131X_DEFS_H__
+
+/* Packet and header sizes */
+#define NIC_MIN_PACKET_SIZE	60
+#define NIC_HEADER_SIZE		ETH_HLEN	/* 14 */
+
+/* Multicast list size */
+#define NIC_MAX_MCAST_LIST	128
+
+/* Supported Filters */
+#define ET131X_PACKET_TYPE_DIRECTED		0x0001
+#define ET131X_PACKET_TYPE_MULTICAST		0x0002
+#define ET131X_PACKET_TYPE_BROADCAST		0x0004
+#define ET131X_PACKET_TYPE_PROMISCUOUS		0x0008
+#define ET131X_PACKET_TYPE_ALL_MULTICAST	0x0010
+
+/* Tx Timeout */
+#define ET131X_TX_TIMEOUT	(1 * HZ)
+#define NIC_SEND_HANG_THRESHOLD	0
+
+/* MP_TCB flags */
+#define fMP_DEST_MULTI			0x00000001
+#define fMP_DEST_BROAD			0x00000002
+
+/* MP_ADAPTER flags */
+#define fMP_ADAPTER_RECV_LOOKASIDE	0x00000004
+#define fMP_ADAPTER_INTERRUPT_IN_USE	0x00000008
+#define fMP_ADAPTER_SECONDARY		0x00000010
+
+/* MP_SHARED flags */
+#define fMP_ADAPTER_SHUTDOWN		0x00100000
+#define fMP_ADAPTER_LOWER_POWER		0x00200000
+
+#define fMP_ADAPTER_NON_RECOVER_ERROR	0x00800000
+#define fMP_ADAPTER_RESET_IN_PROGRESS	0x01000000
+#define fMP_ADAPTER_NO_CABLE		0x02000000
+#define fMP_ADAPTER_HARDWARE_ERROR	0x04000000
+#define fMP_ADAPTER_REMOVE_IN_PROGRESS	0x08000000
+#define fMP_ADAPTER_HALT_IN_PROGRESS	0x10000000
+#define fMP_ADAPTER_LINK_DETECTION	0x20000000
+
+#define fMP_ADAPTER_FAIL_SEND_MASK	0x3ff00000
+#define fMP_ADAPTER_NOT_READY_MASK	0x3ff00000
+
+/* Some offsets in PCI config space that are actually used. */
+#define ET1310_PCI_PM_CAPABILITY	0x40
+#define ET1310_PCI_PM_CSR		0x44
+#define ET1310_PCI_MAX_PYLD		0x4C
+#define ET1310_PCI_DEV_CTRL		0x50
+#define ET1310_PCI_DEV_STAT		0x52
+#define ET1310_NMI_DISABLE		0x61
+#define ET1310_PCI_MAC_ADDRESS		0xA4
+#define ET1310_PCI_EEPROM_STATUS	0xB2
+#define ET1310_PCI_PHY_INDEX_REG	0xB4
+#define ET1310_PCI_ACK_NACK		0xC0
+#define ET1310_PCI_REPLAY		0xC2
+#define ET1310_PCI_L0L1LATENCY		0xCF
+#define ET1310_PCI_SEL_PHY_CTRL		0xE4
+#define ET1310_PCI_ADVANCED_ERR		0x100
+
+/* PCI Vendor/Product IDs */
+#define ET131X_PCI_VENDOR_ID		0x11C1	// Agere Systems
+#define ET131X_PCI_DEVICE_ID_GIG	0xED00	// ET1310 1000 Base-T
+#define ET131X_PCI_DEVICE_ID_FAST	0xED01	// ET1310 100  Base-T
+
+/* Define order of magnitude converter */
+#define NANO_IN_A_MICRO	1000
+
+#endif /* __ET131X_DEFS_H__ */
diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c
new file mode 100644
index 00000000000..4c6f171f5b7
--- /dev/null
+++ b/drivers/staging/et131x/et131x_initpci.c
@@ -0,0 +1,1046 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_initpci.c - Routines and data used to register the driver with the
+ *                    PCI (and PCI Express) subsystem, as well as basic driver
+ *                    init and startup.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+#include <linux/random.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_netdev.h"
+#include "et131x_config.h"
+#include "et131x_isr.h"
+
+#include "et1310_address_map.h"
+#include "et1310_jagcore.h"
+#include "et1310_tx.h"
+#include "et1310_rx.h"
+#include "et1310_mac.h"
+#include "et1310_eeprom.h"
+
+
+int __devinit et131x_pci_setup(struct pci_dev *pdev,
+			       const struct pci_device_id *ent);
+void __devexit et131x_pci_remove(struct pci_dev *pdev);
+
+
+/* Modinfo parameters (filled out using defines from et131x_version.h) */
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_INFO);
+MODULE_LICENSE(DRIVER_LICENSE);
+
+/* Module Parameters and related data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+static u32 et131x_debug_level = DBG_LVL;
+static u32 et131x_debug_flags = DBG_DEFAULTS;
+
+/*
+et131x_debug_level :
+ Level of debugging desired (0-7)
+   7 : DBG_RX_ON | DBG_TX_ON
+   6 : DBG_PARAM_ON
+   5 : DBG_VERBOSE_ON
+   4 : DBG_TRACE_ON
+   3 : DBG_NOTICE_ON
+   2 : no debug info
+   1 : no debug info
+   0 : no debug info
+*/
+
+module_param(et131x_debug_level, uint, 0);
+module_param(et131x_debug_flags, uint, 0);
+
+MODULE_PARM_DESC(et131x_debug_level, "Level of debugging desired (0-7)");
+
+static dbg_info_t et131x_info = { DRIVER_NAME_EXT, 0, 0 };
+dbg_info_t *et131x_dbginfo = &et131x_info;
+#endif /* CONFIG_ET131X_DEBUG */
+
+static struct pci_device_id et131x_pci_table[] __devinitdata = {
+	{ET131X_PCI_VENDOR_ID, ET131X_PCI_DEVICE_ID_GIG, PCI_ANY_ID,
+	 PCI_ANY_ID, 0, 0, 0UL},
+	{ET131X_PCI_VENDOR_ID, ET131X_PCI_DEVICE_ID_FAST, PCI_ANY_ID,
+	 PCI_ANY_ID, 0, 0, 0UL},
+	{0,}
+};
+
+MODULE_DEVICE_TABLE(pci, et131x_pci_table);
+
+static struct pci_driver et131x_driver = {
+      .name	= DRIVER_NAME,
+      .id_table	= et131x_pci_table,
+      .probe	= et131x_pci_setup,
+      .remove	= __devexit_p(et131x_pci_remove),
+      .suspend	= NULL,		//et131x_pci_suspend,
+      .resume	= NULL,		//et131x_pci_resume,
+};
+
+
+/**
+ * et131x_init_module - The "main" entry point called on driver initialization
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_init_module(void)
+{
+	int result;
+
+#ifdef CONFIG_ET131X_DEBUG
+	/* Set the level of debug messages displayed using the module
+	 * parameter
+	 */
+	et131x_dbginfo->dbgFlags = et131x_debug_flags;
+
+	switch (et131x_debug_level) {
+	case 7:
+		et131x_dbginfo->dbgFlags |= (DBG_RX_ON | DBG_TX_ON);
+
+	case 6:
+		et131x_dbginfo->dbgFlags |= DBG_PARAM_ON;
+
+	case 5:
+		et131x_dbginfo->dbgFlags |= DBG_VERBOSE_ON;
+
+	case 4:
+		et131x_dbginfo->dbgFlags |= DBG_TRACE_ON;
+
+	case 3:
+		et131x_dbginfo->dbgFlags |= DBG_NOTICE_ON;
+
+	case 2:
+	case 1:
+	case 0:
+	default:
+		break;
+	}
+#endif /* CONFIG_ET131X_DEBUG */
+
+	DBG_ENTER(et131x_dbginfo);
+	DBG_PRINT("%s\n", DRIVER_INFO);
+
+	result = pci_register_driver(&et131x_driver);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return result;
+}
+
+/**
+ * et131x_cleanup_module - The entry point called on driver cleanup
+ */
+void et131x_cleanup_module(void)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	pci_unregister_driver(&et131x_driver);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/*
+ * These macros map the driver-specific init_module() and cleanup_module()
+ * routines so they can be called by the kernel.
+ */
+module_init(et131x_init_module);
+module_exit(et131x_cleanup_module);
+
+
+/**
+ * et131x_find_adapter - Find the adapter and get all the assigned resources
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_find_adapter(struct et131x_adapter *adapter, struct pci_dev *pdev)
+{
+	int result;
+	uint8_t eepromStat;
+	uint8_t maxPayload = 0;
+	uint8_t read_size_reg;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Allow disabling of Non-Maskable Interrupts in I/O space, to
+	 * support validation.
+	 */
+	if (adapter->RegistryNMIDisable) {
+		uint8_t RegisterVal;
+
+		RegisterVal = inb(ET1310_NMI_DISABLE);
+		RegisterVal &= 0xf3;
+
+		if (adapter->RegistryNMIDisable == 2) {
+			RegisterVal |= 0xc;
+		}
+
+		outb(ET1310_NMI_DISABLE, RegisterVal);
+	}
+
+	/* We first need to check the EEPROM Status code located at offset
+	 * 0xB2 of config space
+	 */
+	result = pci_read_config_byte(pdev, ET1310_PCI_EEPROM_STATUS,
+				      &eepromStat);
+
+	/* THIS IS A WORKAROUND:
+ 	 * I need to call this function twice to get my card in a
+	 * LG M1 Express Dual running. I tried also a msleep before this
+	 * function, because I thougth there could be some time condidions
+	 * but it didn't work. Call the whole function twice also work.
+	 */
+	result = pci_read_config_byte(pdev, ET1310_PCI_EEPROM_STATUS,
+				      &eepromStat);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		DBG_ERROR(et131x_dbginfo, "Could not read PCI config space for "
+			  "EEPROM Status\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	/* Determine if the error(s) we care about are present.  If they are
+	 * present, we need to fail.
+	 */
+	if (eepromStat & 0x4C) {
+		result = pci_read_config_byte(pdev, PCI_REVISION_ID,
+					      &adapter->RevisionID);
+		if (result != PCIBIOS_SUCCESSFUL) {
+			DBG_ERROR(et131x_dbginfo,
+				  "Could not read PCI config space for "
+				  "Revision ID\n");
+			DBG_LEAVE(et131x_dbginfo);
+			return -EIO;
+		} else if (adapter->RevisionID == 0x01) {
+			int32_t nLoop;
+			uint8_t ucTemp[4] = { 0xFE, 0x13, 0x10, 0xFF };
+
+			/* Re-write the first 4 bytes if we have an eeprom
+			 * present and the revision id is 1, this fixes the
+			 * corruption seen with 1310 B Silicon
+			 */
+			for (nLoop = 0; nLoop < 3; nLoop++) {
+				EepromWriteByte(adapter, nLoop, ucTemp[nLoop],
+						0, SINGLE_BYTE);
+			}
+		}
+
+		DBG_ERROR(et131x_dbginfo,
+			  "Fatal EEPROM Status Error - 0x%04x\n", eepromStat);
+
+		/* This error could mean that there was an error reading the
+		 * eeprom or that the eeprom doesn't exist.  We will treat
+		 * each case the same and not try to gather additional
+		 * information that normally would come from the eeprom, like
+		 * MAC Address
+		 */
+		adapter->bEepromPresent = false;
+
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	} else {
+		DBG_TRACE(et131x_dbginfo, "EEPROM Status Code - 0x%04x\n",
+			  eepromStat);
+		adapter->bEepromPresent = true;
+	}
+
+	/* Read the EEPROM for information regarding LED behavior. Refer to
+	 * ET1310_phy.c, et131x_xcvr_init(), for its use.
+	 */
+	EepromReadByte(adapter, 0x70, &adapter->eepromData[0], 0, SINGLE_BYTE);
+	EepromReadByte(adapter, 0x71, &adapter->eepromData[1], 0, SINGLE_BYTE);
+
+	if (adapter->eepromData[0] != 0xcd) {
+		adapter->eepromData[1] = 0x00;	// Disable all optional features
+	}
+
+	/* Let's set up the PORT LOGIC Register.  First we need to know what
+	 * the max_payload_size is
+	 */
+	result = pci_read_config_byte(pdev, ET1310_PCI_MAX_PYLD, &maxPayload);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		DBG_ERROR(et131x_dbginfo, "Could not read PCI config space for "
+			  "Max Payload Size\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	/* Program the Ack/Nak latency and replay timers */
+	maxPayload &= 0x07;	// Only the lower 3 bits are valid
+
+	if (maxPayload < 2) {
+		const uint16_t AckNak[2] = { 0x76, 0xD0 };
+		const uint16_t Replay[2] = { 0x1E0, 0x2ED };
+
+		result = pci_write_config_word(pdev, ET1310_PCI_ACK_NACK,
+					       AckNak[maxPayload]);
+		if (result != PCIBIOS_SUCCESSFUL) {
+			DBG_ERROR(et131x_dbginfo,
+				  "Could not write PCI config space "
+				  "for ACK/NAK\n");
+			DBG_LEAVE(et131x_dbginfo);
+			return -EIO;
+		}
+
+		result = pci_write_config_word(pdev, ET1310_PCI_REPLAY,
+					       Replay[maxPayload]);
+		if (result != PCIBIOS_SUCCESSFUL) {
+			DBG_ERROR(et131x_dbginfo,
+				  "Could not write PCI config space "
+				  "for Replay Timer\n");
+			DBG_LEAVE(et131x_dbginfo);
+			return -EIO;
+		}
+	}
+
+	/* l0s and l1 latency timers.  We are using default values.
+	 * Representing 001 for L0s and 010 for L1
+	 */
+	result = pci_write_config_byte(pdev, ET1310_PCI_L0L1LATENCY, 0x11);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Could not write PCI config space for "
+			  "Latency Timers\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	/* Change the max read size to 2k */
+	result = pci_read_config_byte(pdev, 0x51, &read_size_reg);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Could not read PCI config space for Max read size\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	read_size_reg &= 0x8f;
+	read_size_reg |= 0x40;
+
+	result = pci_write_config_byte(pdev, 0x51, read_size_reg);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Could not write PCI config space for Max read size\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	/* PCI Express Configuration registers 0x48-0x5B (Device Control) */
+	result = pci_read_config_word(pdev, ET1310_PCI_DEV_CTRL,
+				      &adapter->PciXDevCtl);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Could not read PCI config space for PCI Express Dev Ctl\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return -EIO;
+	}
+
+	/* Get MAC address from config space if an eeprom exists, otherwise
+	 * the MAC address there will not be valid
+	 */
+	if (adapter->bEepromPresent) {
+		int i;
+
+		for (i = 0; i < ETH_ALEN; i++) {
+			result = pci_read_config_byte(
+					pdev, ET1310_PCI_MAC_ADDRESS + i,
+					adapter->PermanentAddress + i);
+			if (result != PCIBIOS_SUCCESSFUL) {
+				DBG_ERROR(et131x_dbginfo,
+					  "Could not read PCI config space for MAC address\n");
+				DBG_LEAVE(et131x_dbginfo);
+				return -EIO;
+			}
+		}
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+	return 0;
+}
+
+/**
+ * et131x_error_timer_handler
+ * @data: timer-specific variable; here a pointer to our adapter structure
+ *
+ * The routine called when the error timer expires, to track the number of
+ * recurring errors.
+ */
+void et131x_error_timer_handler(unsigned long data)
+{
+	struct et131x_adapter *pAdapter = (struct et131x_adapter *) data;
+	PM_CSR_t pm_csr;
+
+	pm_csr.value = readl(&pAdapter->CSRAddress->global.pm_csr.value);
+
+	if (pm_csr.bits.pm_phy_sw_coma == 0) {
+		if (pAdapter->RegistryMACStat) {
+			UpdateMacStatHostCounters(pAdapter);
+		}
+	} else {
+		DBG_VERBOSE(et131x_dbginfo,
+			    "No interrupts, in PHY coma, pm_csr = 0x%x\n",
+			    pm_csr.value);
+	}
+
+	if (!pAdapter->Bmsr.bits.link_status &&
+	    pAdapter->RegistryPhyComa &&
+	    pAdapter->PoMgmt.TransPhyComaModeOnBoot < 11) {
+		pAdapter->PoMgmt.TransPhyComaModeOnBoot++;
+	}
+
+	if (pAdapter->PoMgmt.TransPhyComaModeOnBoot == 10) {
+		if (!pAdapter->Bmsr.bits.link_status
+		    && pAdapter->RegistryPhyComa) {
+			if (pm_csr.bits.pm_phy_sw_coma == 0) {
+				// NOTE - This was originally a 'sync with interrupt'. How
+				//        to do that under Linux?
+				et131x_enable_interrupts(pAdapter);
+				EnablePhyComa(pAdapter);
+			}
+		}
+	}
+
+	/* This is a periodic timer, so reschedule */
+	mod_timer(&pAdapter->ErrorTimer, jiffies +
+		  TX_ERROR_PERIOD * HZ / 1000);
+}
+
+/**
+ * et131x_link_detection_handler
+ *
+ * Timer function for link up at driver load time
+ */
+void et131x_link_detection_handler(unsigned long data)
+{
+	struct et131x_adapter *pAdapter = (struct et131x_adapter *) data;
+	unsigned long lockflags;
+
+	/* Let everyone know that we have run */
+	pAdapter->bLinkTimerActive = false;
+
+	if (pAdapter->MediaState == 0) {
+		spin_lock_irqsave(&pAdapter->Lock, lockflags);
+
+		pAdapter->MediaState = NETIF_STATUS_MEDIA_DISCONNECT;
+		MP_CLEAR_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION);
+
+		spin_unlock_irqrestore(&pAdapter->Lock, lockflags);
+
+		netif_carrier_off(pAdapter->netdev);
+
+		pAdapter->bSetPending = false;
+	}
+}
+
+/**
+ * et131x_adapter_setup - Set the adapter up as per cassini+ documentation
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_adapter_setup(struct et131x_adapter *pAdapter)
+{
+	int status = 0;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Configure the JAGCore */
+	ConfigGlobalRegs(pAdapter);
+
+	ConfigMACRegs1(pAdapter);
+	ConfigMMCRegs(pAdapter);
+
+	ConfigRxMacRegs(pAdapter);
+	ConfigTxMacRegs(pAdapter);
+
+	ConfigRxDmaRegs(pAdapter);
+	ConfigTxDmaRegs(pAdapter);
+
+	ConfigMacStatRegs(pAdapter);
+
+	/* Move the following code to Timer function?? */
+	status = et131x_xcvr_find(pAdapter);
+
+	if (status != 0) {
+		DBG_WARNING(et131x_dbginfo, "Could not find the xcvr\n");
+	}
+
+	/* Prepare the TRUEPHY library. */
+	ET1310_PhyInit(pAdapter);
+
+	/* Reset the phy now so changes take place */
+	ET1310_PhyReset(pAdapter);
+
+	/* Power down PHY */
+	ET1310_PhyPowerDown(pAdapter, 1);
+
+	/*
+	 * We need to turn off 1000 base half dulplex, the mac does not
+	 * support it. For the 10/100 part, turn off all gig advertisement
+	 */
+	if (pAdapter->DeviceID != ET131X_PCI_DEVICE_ID_FAST) {
+		ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_FULL);
+	} else {
+		ET1310_PhyAdvertise1000BaseT(pAdapter, TRUEPHY_ADV_DUPLEX_NONE);
+	}
+
+	/* Power up PHY */
+	ET1310_PhyPowerDown(pAdapter, 0);
+
+	et131x_setphy_normal(pAdapter);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_setup_hardware_properties - set up the MAC Address on the ET1310
+ * @adapter: pointer to our private adapter structure
+ */
+void et131x_setup_hardware_properties(struct et131x_adapter *adapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* If have our default mac from registry and no mac address from
+	 * EEPROM then we need to generate the last octet and set it on the
+	 * device
+	 */
+	if (!adapter->bOverrideAddress) {
+		if (adapter->PermanentAddress[0] == 0x00 &&
+		    adapter->PermanentAddress[1] == 0x00 &&
+		    adapter->PermanentAddress[2] == 0x00 &&
+		    adapter->PermanentAddress[3] == 0x00 &&
+		    adapter->PermanentAddress[4] == 0x00 &&
+		    adapter->PermanentAddress[5] == 0x00) {
+			/*
+			 * We need to randomly generate the last octet so we
+			 * decrease our chances of setting the mac address to
+			 * same as another one of our cards in the system
+			 */
+			get_random_bytes(&adapter->CurrentAddress[5], 1);
+
+			/*
+			 * We have the default value in the register we are
+			 * working with so we need to copy the current
+			 * address into the permanent address
+			 */
+			memcpy(adapter->PermanentAddress,
+			       adapter->CurrentAddress, ETH_ALEN);
+		} else {
+			/* We do not have an override address, so set the
+			 * current address to the permanent address and add
+			 * it to the device
+			 */
+			memcpy(adapter->CurrentAddress,
+			       adapter->PermanentAddress, ETH_ALEN);
+		}
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_soft_reset - Issue a soft reset to the hardware, complete for ET1310
+ * @adapter: pointer to our private adapter structure
+ */
+void et131x_soft_reset(struct et131x_adapter *adapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Disable MAC Core */
+	writel(0xc00f0000, &adapter->CSRAddress->mac.cfg1.value);
+
+	/* Set everything to a reset value */
+	writel(0x7F, &adapter->CSRAddress->global.sw_reset.value);
+	writel(0x000f0000, &adapter->CSRAddress->mac.cfg1.value);
+	writel(0x00000000, &adapter->CSRAddress->mac.cfg1.value);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_align_allocated_memory - Align allocated memory on a given boundary
+ * @adapter: pointer to our adapter structure
+ * @phys_addr: pointer to Physical address
+ * @offset: pointer to the offset variable
+ * @mask: correct mask
+ */
+void et131x_align_allocated_memory(struct et131x_adapter *adapter,
+				   uint64_t *phys_addr,
+				   uint64_t *offset, uint64_t mask)
+{
+	uint64_t new_addr;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	*offset = 0;
+
+	new_addr = *phys_addr & ~mask;
+
+	if (new_addr != *phys_addr) {
+		/* Move to next aligned block */
+		new_addr += mask + 1;
+		/* Return offset for adjusting virt addr */
+		*offset = new_addr - *phys_addr;
+		/* Return new physical address */
+		*phys_addr = new_addr;
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_adapter_memory_alloc
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h).
+ *
+ * Allocate all the memory blocks for send, receive and others.
+ */
+int et131x_adapter_memory_alloc(struct et131x_adapter *adapter)
+{
+	int status = 0;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	do {
+		/* Allocate memory for the Tx Ring */
+		status = et131x_tx_dma_memory_alloc(adapter);
+		if (status != 0) {
+			DBG_ERROR(et131x_dbginfo,
+				  "et131x_tx_dma_memory_alloc FAILED\n");
+			break;
+		}
+
+		/* Receive buffer memory allocation */
+		status = et131x_rx_dma_memory_alloc(adapter);
+		if (status != 0) {
+			DBG_ERROR(et131x_dbginfo,
+				  "et131x_rx_dma_memory_alloc FAILED\n");
+			et131x_tx_dma_memory_free(adapter);
+			break;
+		}
+
+		/* Init receive data structures */
+		status = et131x_init_recv(adapter);
+		if (status != 0) {
+			DBG_ERROR(et131x_dbginfo, "et131x_init_recv FAILED\n");
+			et131x_tx_dma_memory_free(adapter);
+			et131x_rx_dma_memory_free(adapter);
+			break;
+		}
+	} while (0);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_adapter_memory_free - Free all memory allocated for use by Tx & Rx
+ * @adapter: pointer to our private adapter structure
+ */
+void et131x_adapter_memory_free(struct et131x_adapter *adapter)
+{
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Free DMA memory */
+	et131x_tx_dma_memory_free(adapter);
+	et131x_rx_dma_memory_free(adapter);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_pci_remove
+ * @pdev: a pointer to the device's pci_dev structure
+ *
+ * Registered in the pci_driver structure, this function is called when the
+ * PCI subsystem detects that a PCI device which matches the information
+ * contained in the pci_device_id table has been removed.
+ */
+void __devexit et131x_pci_remove(struct pci_dev *pdev)
+{
+	struct net_device *netdev;
+	struct et131x_adapter *adapter;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Retrieve the net_device pointer from the pci_dev struct, as well
+	 * as the private adapter struct
+	 */
+	netdev = (struct net_device *) pci_get_drvdata(pdev);
+	adapter = netdev_priv(netdev);
+
+	/* Perform device cleanup */
+	unregister_netdev(netdev);
+	et131x_adapter_memory_free(adapter);
+	iounmap(adapter->CSRAddress);
+	free_netdev(netdev);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_pci_setup - Perform device initialization
+ * @pdev: a pointer to the device's pci_dev structure
+ * @ent: this device's entry in the pci_device_id table
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ *
+ * Registered in the pci_driver structure, this function is called when the
+ * PCI subsystem finds a new PCI device which matches the information
+ * contained in the pci_device_id table. This routine is the equivalent to
+ * a device insertion routine.
+ */
+int __devinit et131x_pci_setup(struct pci_dev *pdev,
+			       const struct pci_device_id *ent)
+{
+	int result = 0;
+	int pm_cap;
+	bool pci_using_dac;
+	struct net_device *netdev = NULL;
+	struct et131x_adapter *adapter = NULL;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Enable the device via the PCI subsystem */
+	result = pci_enable_device(pdev);
+	if (result != 0) {
+		DBG_ERROR(et131x_dbginfo, "pci_enable_device() failed\n");
+		goto out;
+	}
+
+	/* Perform some basic PCI checks */
+	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Can't find PCI device's base address\n");
+		result = -ENODEV;
+		goto out;
+	}
+
+	result = pci_request_regions(pdev, DRIVER_NAME);
+	if (result != 0) {
+		DBG_ERROR(et131x_dbginfo, "Can't get PCI resources\n");
+		goto err_disable;
+	}
+
+	/* Enable PCI bus mastering */
+	DBG_TRACE(et131x_dbginfo, "Setting PCI Bus Mastering...\n");
+	pci_set_master(pdev);
+
+	/* Query PCI for Power Mgmt Capabilities
+	 *
+	 * NOTE: Now reading PowerMgmt in another location; is this still
+	 * needed?
+	 */
+	pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
+	if (pm_cap == 0) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Cannot find Power Management capabilities\n");
+		result = -EIO;
+		goto err_release_res;
+	}
+
+	/* Check the DMA addressing support of this device */
+	if (!pci_set_dma_mask(pdev, 0xffffffffffffffffULL)) {
+		DBG_TRACE(et131x_dbginfo, "64-bit DMA addressing supported\n");
+		pci_using_dac = true;
+
+		result =
+		    pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
+		if (result != 0) {
+			DBG_ERROR(et131x_dbginfo,
+				  "Unable to obtain 64 bit DMA for consistent allocations\n");
+			goto err_release_res;
+		}
+	} else if (!pci_set_dma_mask(pdev, 0xffffffffULL)) {
+		DBG_TRACE(et131x_dbginfo,
+			  "64-bit DMA addressing NOT supported\n");
+		DBG_TRACE(et131x_dbginfo,
+			  "32-bit DMA addressing will be used\n");
+		pci_using_dac = false;
+	} else {
+		DBG_ERROR(et131x_dbginfo, "No usable DMA addressing method\n");
+		result = -EIO;
+		goto err_release_res;
+	}
+
+	/* Allocate netdev and private adapter structs */
+	DBG_TRACE(et131x_dbginfo,
+		  "Allocate netdev and private adapter structs...\n");
+	netdev = et131x_device_alloc();
+	if (netdev == NULL) {
+		DBG_ERROR(et131x_dbginfo, "Couldn't alloc netdev struct\n");
+		result = -ENOMEM;
+		goto err_release_res;
+	}
+
+	/* Setup the fundamental net_device and private adapter structure elements  */
+	DBG_TRACE(et131x_dbginfo, "Setting fundamental net_device info...\n");
+	SET_NETDEV_DEV(netdev, &pdev->dev);
+	if (pci_using_dac) {
+		//netdev->features |= NETIF_F_HIGHDMA;
+	}
+
+	/*
+	 * NOTE - Turn this on when we're ready to deal with SG-DMA
+	 *
+	 * NOTE: According to "Linux Device Drivers", 3rd ed, Rubini et al,
+	 * if checksumming is not performed in HW, then the kernel will not
+	 * use SG.
+	 * From pp 510-511:
+	 *
+	 * "Note that the kernel does not perform scatter/gather I/O to your
+	 * device if it does not also provide some form of checksumming as
+	 * well. The reason is that, if the kernel has to make a pass over a
+	 * fragmented ("nonlinear") packet to calculate the checksum, it
+	 * might as well copy the data and coalesce the packet at the same
+	 * time."
+	 *
+	 * This has been verified by setting the flags below and still not
+	 * receiving a scattered buffer from the network stack, so leave it
+	 * off until checksums are calculated in HW.
+	 */
+	//netdev->features |= NETIF_F_SG;
+	//netdev->features |= NETIF_F_NO_CSUM;
+	//netdev->features |= NETIF_F_LLTX;
+
+	/* Allocate private adapter struct and copy in relevant information */
+	adapter = netdev_priv(netdev);
+	adapter->pdev = pdev;
+	adapter->netdev = netdev;
+	adapter->VendorID = pdev->vendor;
+	adapter->DeviceID = pdev->device;
+
+	/* Do the same for the netdev struct */
+	netdev->irq = pdev->irq;
+	netdev->base_addr = pdev->resource[0].start;
+
+	/* Initialize spinlocks here */
+	DBG_TRACE(et131x_dbginfo, "Initialize spinlocks...\n");
+
+	spin_lock_init(&adapter->Lock);
+	spin_lock_init(&adapter->TCBSendQLock);
+	spin_lock_init(&adapter->TCBReadyQLock);
+	spin_lock_init(&adapter->SendHWLock);
+	spin_lock_init(&adapter->SendWaitLock);
+	spin_lock_init(&adapter->RcvLock);
+	spin_lock_init(&adapter->RcvPendLock);
+	spin_lock_init(&adapter->FbrLock);
+	spin_lock_init(&adapter->PHYLock);
+
+	/* Parse configuration parameters into the private adapter struct */
+	et131x_config_parse(adapter);
+
+	/* Find the physical adapter
+	 *
+	 * NOTE: This is the equivalent of the MpFindAdapter() routine; can we
+	 *       lump it's init with the device specific init below into a
+	 *       single init function?
+	 */
+	//while (et131x_find_adapter(adapter, pdev) != 0);
+	et131x_find_adapter(adapter, pdev);
+
+	/* Map the bus-relative registers to system virtual memory */
+	DBG_TRACE(et131x_dbginfo,
+		  "Mapping bus-relative registers to virtual memory...\n");
+
+	adapter->CSRAddress = ioremap_nocache(pci_resource_start(pdev, 0),
+					      pci_resource_len(pdev, 0));
+	if (adapter->CSRAddress == NULL) {
+		DBG_ERROR(et131x_dbginfo, "Cannot map device registers\n");
+		result = -ENOMEM;
+		goto err_free_dev;
+	}
+
+	/* Perform device-specific initialization here (See code below) */
+
+	/* If Phy COMA mode was enabled when we went down, disable it here. */
+	{
+		PM_CSR_t GlobalPmCSR = { 0 };
+
+		GlobalPmCSR.bits.pm_sysclk_gate = 1;
+		GlobalPmCSR.bits.pm_txclk_gate = 1;
+		GlobalPmCSR.bits.pm_rxclk_gate = 1;
+		writel(GlobalPmCSR.value,
+		       &adapter->CSRAddress->global.pm_csr.value);
+	}
+
+	/* Issue a global reset to the et1310 */
+	DBG_TRACE(et131x_dbginfo, "Issuing soft reset...\n");
+	et131x_soft_reset(adapter);
+
+	/* Disable all interrupts (paranoid) */
+	DBG_TRACE(et131x_dbginfo, "Disable device interrupts...\n");
+	et131x_disable_interrupts(adapter);
+
+	/* Allocate DMA memory */
+	result = et131x_adapter_memory_alloc(adapter);
+	if (result != 0) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Could not alloc adapater memory (DMA)\n");
+		goto err_iounmap;
+	}
+
+	/* Init send data structures */
+	DBG_TRACE(et131x_dbginfo, "Init send data structures...\n");
+	et131x_init_send(adapter);
+
+	adapter->PoMgmt.PowerState = NdisDeviceStateD0;
+
+	/* Register the interrupt
+	 *
+	 * NOTE - This is being done in the open routine, where most other
+	 *         Linux drivers setup IRQ handlers. Make sure device
+	 *         interrupts are not turned on before the IRQ is registered!!
+	 *
+	 *         What we will do here is setup the task structure for the
+	 *         ISR's deferred handler
+	 */
+	INIT_WORK(&adapter->task, et131x_isr_handler);
+
+	/* Determine MAC Address, and copy into the net_device struct */
+	DBG_TRACE(et131x_dbginfo, "Retrieve MAC address...\n");
+	et131x_setup_hardware_properties(adapter);
+
+	memcpy(netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN);
+
+	/* Setup et1310 as per the documentation */
+	DBG_TRACE(et131x_dbginfo, "Setup the adapter...\n");
+	et131x_adapter_setup(adapter);
+
+	/* Create a timer to count errors received by the NIC */
+	init_timer(&adapter->ErrorTimer);
+
+	adapter->ErrorTimer.expires = jiffies + TX_ERROR_PERIOD * HZ / 1000;
+	adapter->ErrorTimer.function = et131x_error_timer_handler;
+	adapter->ErrorTimer.data = (unsigned long)adapter;
+
+	/* Initialize link state */
+	et131x_link_detection_handler((unsigned long)adapter);
+
+	/* Intialize variable for counting how long we do not have link status */
+	adapter->PoMgmt.TransPhyComaModeOnBoot = 0;
+
+	/* We can enable interrupts now
+	 *
+	 *  NOTE - Because registration of interrupt handler is done in the
+	 *         device's open(), defer enabling device interrupts to that
+	 *         point
+	 */
+
+	/* Register the net_device struct with the Linux network layer */
+	DBG_TRACE(et131x_dbginfo, "Registering net_device...\n");
+	if ((result = register_netdev(netdev)) != 0) {
+		DBG_ERROR(et131x_dbginfo, "register_netdev() failed\n");
+		goto err_mem_free;
+	}
+
+	/* Register the net_device struct with the PCI subsystem. Save a copy
+	 * of the PCI config space for this device now that the device has
+	 * been initialized, just in case it needs to be quickly restored.
+	 */
+	pci_set_drvdata(pdev, netdev);
+
+	pci_save_state(adapter->pdev);
+
+out:
+	DBG_LEAVE(et131x_dbginfo);
+	return result;
+
+err_mem_free:
+	et131x_adapter_memory_free(adapter);
+err_iounmap:
+	iounmap(adapter->CSRAddress);
+err_free_dev:
+	free_netdev(netdev);
+err_release_res:
+	pci_release_regions(pdev);
+err_disable:
+	pci_disable_device(pdev);
+	goto out;
+}
diff --git a/drivers/staging/et131x/et131x_initpci.h b/drivers/staging/et131x/et131x_initpci.h
new file mode 100644
index 00000000000..bbacb627759
--- /dev/null
+++ b/drivers/staging/et131x/et131x_initpci.h
@@ -0,0 +1,73 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_initpci.h - Header which includes common data and function prototypes
+ *                    related to the driver's PCI (and PCI Express) information.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_INITPCI_H__
+#define __ET131X_INITPCI_H__
+
+/* Function Prototypes */
+void et131x_align_allocated_memory(struct et131x_adapter *adapter,
+				   u64 *phys_addr,
+				   u64 *offset, u64 mask);
+
+int et131x_adapter_setup(struct et131x_adapter *adapter);
+int et131x_adapter_memory_alloc(struct et131x_adapter *adapter);
+void et131x_adapter_memory_free(struct et131x_adapter *adapter);
+void et131x_setup_hardware_properties(struct et131x_adapter *adapter);
+void et131x_soft_reset(struct et131x_adapter *adapter);
+
+#endif /* __ET131X_INITPCI_H__ */
diff --git a/drivers/staging/et131x/et131x_isr.c b/drivers/staging/et131x/et131x_isr.c
new file mode 100644
index 00000000000..00afad174a6
--- /dev/null
+++ b/drivers/staging/et131x/et131x_isr.c
@@ -0,0 +1,488 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_isr.c - File which contains the ISR, ISR handler, and related routines
+ *                for processing interrupts from the device.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+#include "et1310_mac.h"
+
+#include "et131x_adapter.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+/**
+ * et131x_isr - The Interrupt Service Routine for the driver.
+ * @irq: the IRQ on which the interrupt was received.
+ * @dev_id: device-specific info (here a pointer to a net_device struct)
+ *
+ * Returns a value indicating if the interrupt was handled.
+ */
+irqreturn_t et131x_isr(int irq, void *dev_id)
+{
+	bool handled = true;
+	struct net_device *netdev = (struct net_device *)dev_id;
+	struct et131x_adapter *adapter = NULL;
+	INTERRUPT_t status;
+
+	if (netdev == NULL || !netif_device_present(netdev)) {
+		DBG_WARNING(et131x_dbginfo,
+			    "No net_device struct or device not present\n");
+		handled = false;
+		goto out;
+	}
+
+	adapter = netdev_priv(netdev);
+
+	/* If the adapter is in low power state, then it should not
+	 * recognize any interrupt
+	 */
+
+	/* Disable Device Interrupts */
+	et131x_disable_interrupts(adapter);
+
+	/* Get a copy of the value in the interrupt status register
+	 * so we can process the interrupting section
+	 */
+	status.value = readl(&adapter->CSRAddress->global.int_status.value);
+
+	if (adapter->FlowControl == TxOnly ||
+	    adapter->FlowControl == Both) {
+		status.value &= ~INT_MASK_ENABLE;
+	} else {
+		status.value &= ~INT_MASK_ENABLE_NO_FLOW;
+	}
+
+	/* Make sure this is our interrupt */
+	if (!status.value) {
+#ifdef CONFIG_ET131X_DEBUG
+		adapter->Stats.UnhandledInterruptsPerSec++;
+#endif
+		handled = false;
+		DBG_VERBOSE(et131x_dbginfo, "NOT OUR INTERRUPT\n");
+		et131x_enable_interrupts(adapter);
+		goto out;
+	}
+
+	/* This is our interrupt, so process accordingly */
+#ifdef CONFIG_ET131X_DEBUG
+	if (status.bits.rxdma_xfr_done) {
+		adapter->Stats.RxDmaInterruptsPerSec++;
+	}
+
+	if (status.bits.txdma_isr) {
+		adapter->Stats.TxDmaInterruptsPerSec++;
+	}
+#endif
+
+	if (status.bits.watchdog_interrupt) {
+		PMP_TCB pMpTcb = adapter->TxRing.CurrSendHead;
+
+		if (pMpTcb) {
+			if (++pMpTcb->PacketStaleCount > 1) {
+				status.bits.txdma_isr = 1;
+			}
+		}
+
+		if (adapter->RxRing.UnfinishedReceives) {
+			status.bits.rxdma_xfr_done = 1;
+		} else if (pMpTcb == NULL) {
+			writel(0, &adapter->CSRAddress->global.watchdog_timer);
+		}
+
+		status.bits.watchdog_interrupt = 0;
+#ifdef CONFIG_ET131X_DEBUG
+		adapter->Stats.WatchDogInterruptsPerSec++;
+#endif
+	}
+
+	if (status.value == 0) {
+		/* This interrupt has in some way been "handled" by
+		 * the ISR. Either it was a spurious Rx interrupt, or
+		 * it was a Tx interrupt that has been filtered by
+		 * the ISR.
+		 */
+		et131x_enable_interrupts(adapter);
+		goto out;
+	}
+
+	/* We need to save the interrupt status value for use in our
+	 * DPC. We will clear the software copy of that in that
+	 * routine.
+	 */
+	adapter->Stats.InterruptStatus = status;
+
+	/* Schedule the ISR handler as a bottom-half task in the
+	 * kernel's tq_immediate queue, and mark the queue for
+	 * execution
+	 */
+	schedule_work(&adapter->task);
+
+out:
+	return IRQ_RETVAL(handled);
+}
+
+/**
+ * et131x_isr_handler - The ISR handler
+ * @p_adapter, a pointer to the device's private adapter structure
+ *
+ * scheduled to run in a deferred context by the ISR. This is where the ISR's
+ * work actually gets done.
+ */
+void et131x_isr_handler(struct work_struct *work)
+{
+	struct et131x_adapter *pAdapter =
+		container_of(work, struct et131x_adapter, task);
+	INTERRUPT_t GlobStatus = pAdapter->Stats.InterruptStatus;
+	ADDRESS_MAP_t __iomem *iomem = pAdapter->CSRAddress;
+
+	/*
+	 * These first two are by far the most common.  Once handled, we clear
+	 * their two bits in the status word.  If the word is now zero, we
+	 * exit.
+	 */
+	/* Handle all the completed Transmit interrupts */
+	if (GlobStatus.bits.txdma_isr) {
+		DBG_TX(et131x_dbginfo, "TXDMA_ISR interrupt\n");
+		et131x_handle_send_interrupt(pAdapter);
+	}
+
+	/* Handle all the completed Receives interrupts */
+	if (GlobStatus.bits.rxdma_xfr_done) {
+		DBG_RX(et131x_dbginfo, "RXDMA_XFR_DONE interrupt\n");
+		et131x_handle_recv_interrupt(pAdapter);
+	}
+
+	GlobStatus.value &= 0xffffffd7;
+
+	if (GlobStatus.value) {
+		/* Handle the TXDMA Error interrupt */
+		if (GlobStatus.bits.txdma_err) {
+			TXDMA_ERROR_t TxDmaErr;
+
+			/* Following read also clears the register (COR) */
+			TxDmaErr.value = readl(&iomem->txdma.TxDmaError.value);
+
+			DBG_WARNING(et131x_dbginfo,
+				    "TXDMA_ERR interrupt, error = %d\n",
+				    TxDmaErr.value);
+		}
+
+		/* Handle Free Buffer Ring 0 and 1 Low interrupt */
+		if (GlobStatus.bits.rxdma_fb_ring0_low ||
+		    GlobStatus.bits.rxdma_fb_ring1_low) {
+			/*
+			 * This indicates the number of unused buffers in
+			 * RXDMA free buffer ring 0 is <= the limit you
+			 * programmed. Free buffer resources need to be
+			 * returned.  Free buffers are consumed as packets
+			 * are passed from the network to the host. The host
+			 * becomes aware of the packets from the contents of
+			 * the packet status ring. This ring is queried when
+			 * the packet done interrupt occurs. Packets are then
+			 * passed to the OS. When the OS is done with the
+			 * packets the resources can be returned to the
+			 * ET1310 for re-use. This interrupt is one method of
+			 * returning resources.
+			 */
+			DBG_WARNING(et131x_dbginfo,
+				    "RXDMA_FB_RING0_LOW or "
+				    "RXDMA_FB_RING1_LOW interrupt\n");
+
+			/* If the user has flow control on, then we will
+			 * send a pause packet, otherwise just exit
+			 */
+			if (pAdapter->FlowControl == TxOnly ||
+			    pAdapter->FlowControl == Both) {
+				PM_CSR_t pm_csr;
+
+				/* Tell the device to send a pause packet via
+				 * the back pressure register
+				 */
+				pm_csr.value = readl(&iomem->global.pm_csr.value);
+				if (pm_csr.bits.pm_phy_sw_coma == 0) {
+					TXMAC_BP_CTRL_t bp_ctrl = { 0 };
+
+					bp_ctrl.bits.bp_req = 1;
+					bp_ctrl.bits.bp_xonxoff = 1;
+					writel(bp_ctrl.value,
+					       &iomem->txmac.bp_ctrl.value);
+				}
+			}
+		}
+
+		/* Handle Packet Status Ring Low Interrupt */
+		if (GlobStatus.bits.rxdma_pkt_stat_ring_low) {
+			DBG_WARNING(et131x_dbginfo,
+				    "RXDMA_PKT_STAT_RING_LOW interrupt\n");
+
+			/*
+			 * Same idea as with the two Free Buffer Rings.
+			 * Packets going from the network to the host each
+			 * consume a free buffer resource and a packet status
+			 * resource.  These resoures are passed to the OS.
+			 * When the OS is done with the resources, they need
+			 * to be returned to the ET1310. This is one method
+			 * of returning the resources.
+			 */
+		}
+
+		/* Handle RXDMA Error Interrupt */
+		if (GlobStatus.bits.rxdma_err) {
+			/*
+			 * The rxdma_error interrupt is sent when a time-out
+			 * on a request issued by the JAGCore has occurred or
+			 * a completion is returned with an un-successful
+			 * status.  In both cases the request is considered
+			 * complete. The JAGCore will automatically re-try the
+			 * request in question. Normally information on events
+			 * like these are sent to the host using the "Advanced
+			 * Error Reporting" capability. This interrupt is
+			 * another way of getting similar information. The
+			 * only thing required is to clear the interrupt by
+			 * reading the ISR in the global resources. The
+			 * JAGCore will do a re-try on the request.  Normally
+			 * you should never see this interrupt. If you start
+			 * to see this interrupt occurring frequently then
+			 * something bad has occurred. A reset might be the
+			 * thing to do.
+			 */
+			// TRAP();
+
+			pAdapter->TxMacTest.value =
+				readl(&iomem->txmac.tx_test.value);
+			DBG_WARNING(et131x_dbginfo,
+				    "RxDMA_ERR interrupt, error %x\n",
+				    pAdapter->TxMacTest.value);
+		}
+
+		/* Handle the Wake on LAN Event */
+		if (GlobStatus.bits.wake_on_lan) {
+			/*
+			 * This is a secondary interrupt for wake on LAN.
+			 * The driver should never see this, if it does,
+			 * something serious is wrong. We will TRAP the
+			 * message when we are in DBG mode, otherwise we
+			 * will ignore it.
+			 */
+			DBG_ERROR(et131x_dbginfo, "WAKE_ON_LAN interrupt\n");
+		}
+
+		/* Handle the PHY interrupt */
+		if (GlobStatus.bits.phy_interrupt) {
+			PM_CSR_t pm_csr;
+			MI_BMSR_t BmsrInts, BmsrData;
+			MI_ISR_t myIsr;
+
+			DBG_VERBOSE(et131x_dbginfo, "PHY interrupt\n");
+
+			/* If we are in coma mode when we get this interrupt,
+			 * we need to disable it.
+			 */
+			pm_csr.value = readl(&iomem->global.pm_csr.value);
+			if (pm_csr.bits.pm_phy_sw_coma == 1) {
+				/*
+				 * Check to see if we are in coma mode and if
+				 * so, disable it because we will not be able
+				 * to read PHY values until we are out.
+				 */
+				DBG_VERBOSE(et131x_dbginfo,
+					    "Device is in COMA mode, "
+					    "need to wake up\n");
+				DisablePhyComa(pAdapter);
+			}
+
+			/* Read the PHY ISR to clear the reason for the
+			 * interrupt.
+			 */
+			MiRead(pAdapter, (uint8_t) offsetof(MI_REGS_t, isr),
+			       &myIsr.value);
+
+			if (!pAdapter->ReplicaPhyLoopbk) {
+				MiRead(pAdapter,
+				       (uint8_t) offsetof(MI_REGS_t, bmsr),
+				       &BmsrData.value);
+
+				BmsrInts.value =
+				    pAdapter->Bmsr.value ^ BmsrData.value;
+				pAdapter->Bmsr.value = BmsrData.value;
+
+				DBG_VERBOSE(et131x_dbginfo,
+					    "Bmsr.value = 0x%04x,"
+					    "Bmsr_ints.value = 0x%04x\n",
+					    BmsrData.value, BmsrInts.value);
+
+				/* Do all the cable in / cable out stuff */
+				et131x_Mii_check(pAdapter, BmsrData, BmsrInts);
+			}
+		}
+
+		/* Let's move on to the TxMac */
+		if (GlobStatus.bits.txmac_interrupt) {
+			pAdapter->TxRing.TxMacErr.value =
+				readl(&iomem->txmac.err.value);
+
+			/*
+			 * When any of the errors occur and TXMAC generates
+			 * an interrupt to report these errors, it usually
+			 * means that TXMAC has detected an error in the data
+			 * stream retrieved from the on-chip Tx Q. All of
+			 * these errors are catastrophic and TXMAC won't be
+			 * able to recover data when these errors occur.  In
+			 * a nutshell, the whole Tx path will have to be reset
+			 * and re-configured afterwards.
+			 */
+			DBG_WARNING(et131x_dbginfo,
+				    "TXMAC interrupt, error 0x%08x\n",
+				    pAdapter->TxRing.TxMacErr.value);
+
+			/* If we are debugging, we want to see this error,
+			 * otherwise we just want the device to be reset and
+			 * continue
+			 */
+			//DBG_TRAP();
+		}
+
+		/* Handle RXMAC Interrupt */
+		if (GlobStatus.bits.rxmac_interrupt) {
+			/*
+			 * These interrupts are catastrophic to the device,
+			 * what we need to do is disable the interrupts and
+			 * set the flag to cause us to reset so we can solve
+			 * this issue.
+			 */
+			// MP_SET_FLAG( pAdapter, fMP_ADAPTER_HARDWARE_ERROR );
+
+			DBG_WARNING(et131x_dbginfo,
+				    "RXMAC interrupt, error 0x%08x.  Requesting reset\n",
+				    readl(&iomem->rxmac.err_reg.value));
+
+			DBG_WARNING(et131x_dbginfo,
+				    "Enable 0x%08x, Diag 0x%08x\n",
+				    readl(&iomem->rxmac.ctrl.value),
+				    readl(&iomem->rxmac.rxq_diag.value));
+
+			/*
+			 * If we are debugging, we want to see this error,
+			 * otherwise we just want the device to be reset and
+			 * continue
+			 */
+			// TRAP();
+		}
+
+		/* Handle MAC_STAT Interrupt */
+		if (GlobStatus.bits.mac_stat_interrupt) {
+			/*
+			 * This means at least one of the un-masked counters
+			 * in the MAC_STAT block has rolled over.  Use this
+			 * to maintain the top, software managed bits of the
+			 * counter(s).
+			 */
+			DBG_VERBOSE(et131x_dbginfo, "MAC_STAT interrupt\n");
+			HandleMacStatInterrupt(pAdapter);
+		}
+
+		/* Handle SLV Timeout Interrupt */
+		if (GlobStatus.bits.slv_timeout) {
+			/*
+			 * This means a timeout has occured on a read or
+			 * write request to one of the JAGCore registers. The
+			 * Global Resources block has terminated the request
+			 * and on a read request, returned a "fake" value.
+			 * The most likely reasons are: Bad Address or the
+			 * addressed module is in a power-down state and
+			 * can't respond.
+			 */
+			DBG_VERBOSE(et131x_dbginfo, "SLV_TIMEOUT interrupt\n");
+		}
+	}
+
+	if (pAdapter->PoMgmt.PowerState == NdisDeviceStateD0) {
+		et131x_enable_interrupts(pAdapter);
+	}
+}
diff --git a/drivers/staging/et131x/et131x_isr.h b/drivers/staging/et131x/et131x_isr.h
new file mode 100644
index 00000000000..76a51d56551
--- /dev/null
+++ b/drivers/staging/et131x/et131x_isr.h
@@ -0,0 +1,65 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_isr.h - Defines, structs, enums, prototypes, etc. pertaining to the
+ *                ISR processing code.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_ISR_H__
+#define __ET131X_ISR_H__
+
+irqreturn_t et131x_isr(int irq, void *dev_id);
+void et131x_isr_handler(struct work_struct *work);
+
+#endif /* __ET131X_ISR_H__ */
diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c
new file mode 100644
index 00000000000..de65972ff36
--- /dev/null
+++ b/drivers/staging/et131x/et131x_netdev.c
@@ -0,0 +1,856 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_netdev.c - Routines and data required by all Linux network devices.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/mii.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+#include "et1310_mac.h"
+#include "et1310_tx.h"
+
+#include "et131x_adapter.h"
+#include "et131x_isr.h"
+#include "et131x_initpci.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+struct net_device_stats *et131x_stats(struct net_device *netdev);
+int et131x_open(struct net_device *netdev);
+int et131x_close(struct net_device *netdev);
+int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd);
+void et131x_multicast(struct net_device *netdev);
+int et131x_tx(struct sk_buff *skb, struct net_device *netdev);
+void et131x_tx_timeout(struct net_device *netdev);
+int et131x_change_mtu(struct net_device *netdev, int new_mtu);
+int et131x_set_mac_addr(struct net_device *netdev, void *new_mac);
+void et131x_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
+void et131x_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid);
+void et131x_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid);
+
+/**
+ * et131x_device_alloc
+ *
+ * Returns pointer to the allocated and initialized net_device struct for
+ * this device.
+ *
+ * Create instances of net_device and wl_private for the new adapter and
+ * register the device's entry points in the net_device structure.
+ */
+struct net_device *et131x_device_alloc(void)
+{
+	struct net_device *netdev;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Alloc net_device and adapter structs */
+	netdev = alloc_etherdev(sizeof(struct et131x_adapter));
+
+	if (netdev == NULL) {
+		DBG_ERROR(et131x_dbginfo,
+			  "Alloc of net_device struct failed\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return NULL;
+	}
+
+	/* Setup the function registration table (and other data) for a
+	 * net_device
+	 */
+	//netdev->init               = &et131x_init;
+	//netdev->set_config = &et131x_config;
+	netdev->get_stats = &et131x_stats;
+	netdev->open = &et131x_open;
+	netdev->stop = &et131x_close;
+	netdev->do_ioctl = &et131x_ioctl;
+	netdev->set_multicast_list = &et131x_multicast;
+	netdev->hard_start_xmit = &et131x_tx;
+	netdev->tx_timeout = &et131x_tx_timeout;
+	netdev->watchdog_timeo = ET131X_TX_TIMEOUT;
+	netdev->change_mtu = &et131x_change_mtu;
+	netdev->set_mac_address = &et131x_set_mac_addr;
+
+	//netdev->ethtool_ops        = &et131x_ethtool_ops;
+
+	// Poll?
+	//netdev->poll               = &et131x_poll;
+	//netdev->poll_controller    = &et131x_poll_controller;
+
+	DBG_LEAVE(et131x_dbginfo);
+	return netdev;
+}
+
+/**
+ * et131x_stats - Return the current device statistics.
+ * @netdev: device whose stats are being queried
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+struct net_device_stats *et131x_stats(struct net_device *netdev)
+{
+	struct et131x_adapter *adapter = netdev_priv(netdev);
+	struct net_device_stats *stats = &adapter->net_stats;
+	CE_STATS_t *devstat = &adapter->Stats;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	stats->rx_packets = devstat->ipackets;
+	stats->tx_packets = devstat->opackets;
+	stats->rx_errors = devstat->length_err + devstat->alignment_err +
+	    devstat->crc_err + devstat->code_violations + devstat->other_errors;
+	stats->tx_errors = devstat->max_pkt_error;
+	stats->multicast = devstat->multircv;
+	stats->collisions = devstat->collisions;
+
+	stats->rx_length_errors = devstat->length_err;
+	stats->rx_over_errors = devstat->rx_ov_flow;
+	stats->rx_crc_errors = devstat->crc_err;
+
+	// NOTE: These stats don't have corresponding values in CE_STATS, so we're
+	//       going to have to update these directly from within the TX/RX code
+	//stats->rx_bytes            = 20; //devstat->;
+	//stats->tx_bytes            = 20; //devstat->;
+	//stats->rx_dropped          = devstat->;
+	//stats->tx_dropped          = devstat->;
+
+	// NOTE: Not used, can't find analogous statistics
+	//stats->rx_frame_errors     = devstat->;
+	//stats->rx_fifo_errors      = devstat->;
+	//stats->rx_missed_errors    = devstat->;
+
+	//stats->tx_aborted_errors   = devstat->;
+	//stats->tx_carrier_errors   = devstat->;
+	//stats->tx_fifo_errors      = devstat->;
+	//stats->tx_heartbeat_errors = devstat->;
+	//stats->tx_window_errors    = devstat->;
+
+	DBG_LEAVE(et131x_dbginfo);
+	return stats;
+}
+
+/**
+ * et131x_open - Open the device for use.
+ * @netdev: device to be opened
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_open(struct net_device *netdev)
+{
+	int result = 0;
+	struct et131x_adapter *adapter = netdev_priv(netdev);
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Start the timer to track NIC errors */
+	add_timer(&adapter->ErrorTimer);
+
+	/* Register our ISR */
+	DBG_TRACE(et131x_dbginfo, "Registering ISR...\n");
+
+	result =
+	    request_irq(netdev->irq, et131x_isr, IRQF_SHARED, netdev->name,
+			netdev);
+	if (result) {
+		DBG_ERROR(et131x_dbginfo, "Could not register ISR\n");
+		DBG_LEAVE(et131x_dbginfo);
+		return result;
+	}
+
+	/* Enable the Tx and Rx DMA engines (if not already enabled) */
+	et131x_rx_dma_enable(adapter);
+	et131x_tx_dma_enable(adapter);
+
+	/* Enable device interrupts */
+	et131x_enable_interrupts(adapter);
+
+	MP_SET_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE);
+
+	/* We're ready to move some data, so start the queue */
+	netif_start_queue(netdev);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return result;
+}
+
+/**
+ * et131x_close - Close the device
+ * @netdev: device to be closed
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_close(struct net_device *netdev)
+{
+	struct et131x_adapter *adapter = netdev_priv(netdev);
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* First thing is to stop the queue */
+	netif_stop_queue(netdev);
+
+	/* Stop the Tx and Rx DMA engines */
+	et131x_rx_dma_disable(adapter);
+	et131x_tx_dma_disable(adapter);
+
+	/* Disable device interrupts */
+	et131x_disable_interrupts(adapter);
+
+	/* Deregistering ISR */
+	MP_CLEAR_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE);
+
+	DBG_TRACE(et131x_dbginfo, "Deregistering ISR...\n");
+	free_irq(netdev->irq, netdev);
+
+	/* Stop the error timer */
+	del_timer_sync(&adapter->ErrorTimer);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return 0;
+}
+
+/**
+ * et131x_ioctl_mii - The function which handles MII IOCTLs
+ * @netdev: device on which the query is being made
+ * @reqbuf: the request-specific data buffer
+ * @cmd: the command request code
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_ioctl_mii(struct net_device *netdev, struct ifreq *reqbuf, int cmd)
+{
+	int status = 0;
+	struct et131x_adapter *pAdapter = netdev_priv(netdev);
+	struct mii_ioctl_data *data = if_mii(reqbuf);
+
+	DBG_ENTER(et131x_dbginfo);
+
+	switch (cmd) {
+	case SIOCGMIIPHY:
+		DBG_VERBOSE(et131x_dbginfo, "SIOCGMIIPHY\n");
+		data->phy_id = pAdapter->Stats.xcvr_addr;
+		break;
+
+	case SIOCGMIIREG:
+		DBG_VERBOSE(et131x_dbginfo, "SIOCGMIIREG\n");
+		if (!capable(CAP_NET_ADMIN)) {
+			status = -EPERM;
+		} else {
+			status = MiRead(pAdapter,
+					data->reg_num, &data->val_out);
+		}
+		break;
+
+	case SIOCSMIIREG:
+		DBG_VERBOSE(et131x_dbginfo, "SIOCSMIIREG\n");
+		if (!capable(CAP_NET_ADMIN)) {
+			status = -EPERM;
+		} else {
+			status = MiWrite(pAdapter, data->reg_num,
+					 data->val_in);
+		}
+		break;
+
+	default:
+		status = -EOPNOTSUPP;
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_ioctl - The I/O Control handler for the driver
+ * @netdev: device on which the control request is being made
+ * @reqbuf: a pointer to the IOCTL request buffer
+ * @cmd: the IOCTL command code
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd)
+{
+	int status = 0;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	switch (cmd) {
+	case SIOCGMIIPHY:
+	case SIOCGMIIREG:
+	case SIOCSMIIREG:
+		status = et131x_ioctl_mii(netdev, reqbuf, cmd);
+		break;
+
+	default:
+		DBG_WARNING(et131x_dbginfo, "Unhandled IOCTL Code: 0x%04x\n",
+			    cmd);
+		status = -EOPNOTSUPP;
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_set_packet_filter - Configures the Rx Packet filtering on the device
+ * @adapter: pointer to our private adapter structure
+ *
+ * Returns 0 on success, errno on failure
+ */
+int et131x_set_packet_filter(struct et131x_adapter *adapter)
+{
+	int status = 0;
+	uint32_t filter = adapter->PacketFilter;
+	RXMAC_CTRL_t ctrl;
+	RXMAC_PF_CTRL_t pf_ctrl;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	ctrl.value = readl(&adapter->CSRAddress->rxmac.ctrl.value);
+	pf_ctrl.value = readl(&adapter->CSRAddress->rxmac.pf_ctrl.value);
+
+	/* Default to disabled packet filtering.  Enable it in the individual
+	 * case statements that require the device to filter something
+	 */
+	ctrl.bits.pkt_filter_disable = 1;
+
+	/* Set us to be in promiscuous mode so we receive everything, this
+	 * is also true when we get a packet filter of 0
+	 */
+	if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0) {
+		pf_ctrl.bits.filter_broad_en = 0;
+		pf_ctrl.bits.filter_multi_en = 0;
+		pf_ctrl.bits.filter_uni_en = 0;
+	} else {
+		/*
+		 * Set us up with Multicast packet filtering.  Three cases are
+		 * possible - (1) we have a multi-cast list, (2) we receive ALL
+		 * multicast entries or (3) we receive none.
+		 */
+		if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST) {
+			DBG_VERBOSE(et131x_dbginfo,
+				    "Multicast filtering OFF (Rx ALL MULTICAST)\n");
+			pf_ctrl.bits.filter_multi_en = 0;
+		} else {
+			DBG_VERBOSE(et131x_dbginfo, "Multicast filtering ON\n");
+			SetupDeviceForMulticast(adapter);
+			pf_ctrl.bits.filter_multi_en = 1;
+			ctrl.bits.pkt_filter_disable = 0;
+		}
+
+		/* Set us up with Unicast packet filtering */
+		if (filter & ET131X_PACKET_TYPE_DIRECTED) {
+			DBG_VERBOSE(et131x_dbginfo, "Unicast Filtering ON\n");
+			SetupDeviceForUnicast(adapter);
+			pf_ctrl.bits.filter_uni_en = 1;
+			ctrl.bits.pkt_filter_disable = 0;
+		}
+
+		/* Set us up with Broadcast packet filtering */
+		if (filter & ET131X_PACKET_TYPE_BROADCAST) {
+			DBG_VERBOSE(et131x_dbginfo, "Broadcast Filtering ON\n");
+			pf_ctrl.bits.filter_broad_en = 1;
+			ctrl.bits.pkt_filter_disable = 0;
+		} else {
+			DBG_VERBOSE(et131x_dbginfo,
+				    "Broadcast Filtering OFF\n");
+			pf_ctrl.bits.filter_broad_en = 0;
+		}
+
+		/* Setup the receive mac configuration registers - Packet
+		 * Filter control + the enable / disable for packet filter
+		 * in the control reg.
+		 */
+		writel(pf_ctrl.value,
+		       &adapter->CSRAddress->rxmac.pf_ctrl.value);
+		writel(ctrl.value, &adapter->CSRAddress->rxmac.ctrl.value);
+	}
+
+	DBG_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_multicast - The handler to configure multicasting on the interface
+ * @netdev: a pointer to a net_device struct representing the device
+ */
+void et131x_multicast(struct net_device *netdev)
+{
+	struct et131x_adapter *adapter = netdev_priv(netdev);
+	uint32_t PacketFilter = 0;
+	uint32_t count;
+	unsigned long lockflags;
+	struct dev_mc_list *mclist = netdev->mc_list;
+
+	DBG_ENTER(et131x_dbginfo);
+
+	spin_lock_irqsave(&adapter->Lock, lockflags);
+
+	/* Before we modify the platform-independent filter flags, store them
+	 * locally. This allows us to determine if anything's changed and if
+	 * we even need to bother the hardware
+	 */
+	PacketFilter = adapter->PacketFilter;
+
+	/* Clear the 'multicast' flag locally; becuase we only have a single
+	 * flag to check multicast, and multiple multicast addresses can be
+	 * set, this is the easiest way to determine if more than one
+	 * multicast address is being set.
+	 */
+	PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST;
+
+	/* Check the net_device flags and set the device independent flags
+	 * accordingly
+	 */
+	DBG_VERBOSE(et131x_dbginfo,
+		    "MULTICAST ADDR COUNT: %d\n", netdev->mc_count);
+
+	if (netdev->flags & IFF_PROMISC) {
+		DBG_VERBOSE(et131x_dbginfo, "Request: PROMISCUOUS MODE ON\n");
+		adapter->PacketFilter |= ET131X_PACKET_TYPE_PROMISCUOUS;
+	} else {
+		DBG_VERBOSE(et131x_dbginfo, "Request: PROMISCUOUS MODE OFF\n");
+		adapter->PacketFilter &= ~ET131X_PACKET_TYPE_PROMISCUOUS;
+	}
+
+	if (netdev->flags & IFF_ALLMULTI) {
+		DBG_VERBOSE(et131x_dbginfo, "Request: ACCEPT ALL MULTICAST\n");
+		adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST;
+	}
+
+	if (netdev->mc_count > NIC_MAX_MCAST_LIST) {
+		DBG_WARNING(et131x_dbginfo,
+			    "ACCEPT ALL MULTICAST for now, as there's more Multicast "
+			    "addresses than the HW supports\n");
+
+		adapter->PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST;
+	}
+
+	if (netdev->mc_count < 1) {
+		DBG_VERBOSE(et131x_dbginfo, "Request: REJECT ALL MULTICAST\n");
+		adapter->PacketFilter &= ~ET131X_PACKET_TYPE_ALL_MULTICAST;
+		adapter->PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST;
+	} else {
+		DBG_VERBOSE(et131x_dbginfo,
+			    "Request: SET MULTICAST FILTER(S)\n");
+		adapter->PacketFilter |= ET131X_PACKET_TYPE_MULTICAST;
+	}
+
+	/* Set values in the private adapter struct */
+	adapter->MCAddressCount = netdev->mc_count;
+
+	if (netdev->mc_count) {
+		if (mclist->dmi_addrlen != ETH_ALEN) {
+			DBG_WARNING(et131x_dbginfo,
+				    "Multicast addrs are not ETH_ALEN in size\n");
+		} else {
+			count = netdev->mc_count - 1;
+			memcpy(adapter->MCList[count], mclist->dmi_addr,
+			       ETH_ALEN);
+		}
+	}
+
+	/* Are the new flags different from the previous ones? If not, then no
+	 * action is required
+	 *
+	 * NOTE - This block will always update the MCList with the hardware,
+	 *        even if the addresses aren't the same.
+	 */
+	if (PacketFilter != adapter->PacketFilter) {
+		/* Call the device's filter function */
+		DBG_VERBOSE(et131x_dbginfo, "UPDATE REQUIRED, FLAGS changed\n");
+
+		et131x_set_packet_filter(adapter);
+	} else {
+		DBG_VERBOSE(et131x_dbginfo,
+			    "NO UPDATE REQUIRED, FLAGS didn't change\n");
+	}
+
+	spin_unlock_irqrestore(&adapter->Lock, lockflags);
+
+	DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * et131x_tx - The handler to tx a packet on the device
+ * @skb: data to be Tx'd
+ * @netdev: device on which data is to be Tx'd
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_tx(struct sk_buff *skb, struct net_device *netdev)
+{
+	int status = 0;
+
+	DBG_TX_ENTER(et131x_dbginfo);
+
+	/* Save the timestamp for the TX timeout watchdog */
+	netdev->trans_start = jiffies;
+
+	/* Call the device-specific data Tx routine */
+	status = et131x_send_packets(skb, netdev);
+
+	/* Check status and manage the netif queue if necessary */
+	if (status != 0) {
+		if (status == -ENOMEM) {
+			DBG_VERBOSE(et131x_dbginfo,
+				    "OUT OF TCBs; STOP NETIF QUEUE\n");
+
+			/* Put the queue to sleep until resources are
+			 * available
+			 */
+			netif_stop_queue(netdev);
+			status = 1;
+		} else {
+			DBG_WARNING(et131x_dbginfo,
+				    "Misc error; drop packet\n");
+			status = 0;
+		}
+	}
+
+	DBG_TX_LEAVE(et131x_dbginfo);
+	return status;
+}
+
+/**
+ * et131x_tx_timeout - Timeout handler
+ * @netdev: a pointer to a net_device struct representing the device
+ *
+ * The handler called when a Tx request times out. The timeout period is
+ * specified by the 'tx_timeo" element in the net_device structure (see
+ * et131x_alloc_device() to see how this value is set).
+ */
+void et131x_tx_timeout(struct net_device *netdev)
+{
+	struct et131x_adapter *pAdapter = netdev_priv(netdev);
+	PMP_TCB pMpTcb;
+	unsigned long lockflags;
+
+	DBG_WARNING(et131x_dbginfo, "TX TIMEOUT\n");
+
+	/* Just skip this part if the adapter is doing link detection */
+	if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_LINK_DETECTION)) {
+		DBG_ERROR(et131x_dbginfo, "Still doing link detection\n");
+		return;
+	}
+
+	/* Any nonrecoverable hardware error?
+	 * Checks adapter->flags for any failure in phy reading
+	 */
+	if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_NON_RECOVER_ERROR)) {
+		DBG_WARNING(et131x_dbginfo, "Non recoverable error - remove\n");
+		return;
+	}
+
+	/* Hardware failure? */
+	if (MP_TEST_FLAG(pAdapter, fMP_ADAPTER_HARDWARE_ERROR)) {
+		DBG_WARNING(et131x_dbginfo, "hardware error - reset\n");
+		return;
+	}
+
+	/* Is send stuck? */
+	spin_lock_irqsave(&pAdapter->TCBSendQLock, lockflags);
+
+	pMpTcb = pAdapter->TxRing.CurrSendHead;
+
+	if (pMpTcb != NULL) {
+		pMpTcb->Count++;
+
+		if (pMpTcb->Count > NIC_SEND_HANG_THRESHOLD) {
+#ifdef CONFIG_ET131X_DEBUG
+			TX_STATUS_BLOCK_t txDmaComplete =
+			    *(pAdapter->TxRing.pTxStatusVa);
+			PTX_DESC_ENTRY_t pDesc =
+			    pAdapter->TxRing.pTxDescRingVa +
+			    pMpTcb->WrIndex.bits.val;
+#endif
+			TX_DESC_ENTRY_t StuckDescriptors[10];
+
+			if (pMpTcb->WrIndex.bits.val > 7) {
+				memcpy(StuckDescriptors,
+				       pAdapter->TxRing.pTxDescRingVa +
+				       pMpTcb->WrIndex.bits.val - 6,
+				       sizeof(TX_DESC_ENTRY_t) * 10);
+			}
+
+			spin_unlock_irqrestore(&pAdapter->TCBSendQLock,
+					       lockflags);
+
+			DBG_WARNING(et131x_dbginfo,
+				    "Send stuck - reset.  pMpTcb->WrIndex %x, Flags 0x%08x\n",
+				    pMpTcb->WrIndex.bits.val,
+				    pMpTcb->Flags);
+
+			DBG_WARNING(et131x_dbginfo,
+				    "pDesc 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
+				    pDesc->DataBufferPtrHigh,
+				    pDesc->DataBufferPtrLow, pDesc->word2.value,
+				    pDesc->word3.value);
+
+			DBG_WARNING(et131x_dbginfo,
+				    "WbStatus 0x%08x\n", txDmaComplete.value);
+
+#ifdef CONFIG_ET131X_DEBUG
+			DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 0);
+			DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 1);
+			DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 3);
+			DumpDeviceBlock(DBG_WARNING_ON, pAdapter, 5);
+#endif
+			et131x_close(netdev);
+			et131x_open(netdev);
+
+			return;
+		}
+	}
+
+	spin_unlock_irqrestore(&pAdapter->TCBSendQLock, lockflags);
+}
+
+/**
+ * et131x_change_mtu - The handler called to change the MTU for the device
+ * @netdev: device whose MTU is to be changed
+ * @new_mtu: the desired MTU
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ */
+int et131x_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	int result = 0;
+	struct et131x_adapter *adapter = netdev_priv(netdev);
+
+	DBG_ENTER(et131x_dbginfo);
+
+	/* Make sure the requested MTU is valid */
+	if (new_mtu == 0 || new_mtu > 9216) {
+		DBG_LEAVE(et131x_dbginfo);
+		return -EINVAL;
+	}
+
+	/* Stop the netif queue */
+	netif_stop_queue(netdev);
+
+	/* Stop the Tx and Rx DMA engines */
+	et131x_rx_dma_disable(adapter);
+	et131x_tx_dma_disable(adapter);
+
+	/* Disable device interrupts */
+	et131x_disable_interrupts(adapter);
+	et131x_handle_send_interrupt(adapter);
+	et131x_handle_recv_interrupt(adapter);
+
+	/* Set the new MTU */
+	netdev->mtu = new_mtu;
+
+	/* Free Rx DMA memory */
+	et131x_adapter_memory_free(adapter);
+
+	/* Set the config parameter for Jumbo Packet support */
+	adapter->RegistryJumboPacket = new_mtu + 14;
+	et131x_soft_reset(adapter);
+
+	/* Alloc and init Rx DMA memory */
+	result = et131x_adapter_memory_alloc(adapter);
+	if (result != 0) {
+		DBG_WARNING(et131x_dbginfo,
+			    "Change MTU failed; couldn't re-alloc DMA memory\n");
+		return result;
+	}
+
+	et131x_init_send(adapter);
+
+	et131x_setup_hardware_properties(adapter);
+	memcpy(netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN);
+
+	/* Init the device with the new settings */
+	et131x_adapter_setup(adapter);
+
+	/* Enable interrupts */
+	if (MP_TEST_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE)) {
+		et131x_enable_interrupts(adapter);
+	}
+
+	/* Restart the Tx and Rx DMA engines */
+	et131x_rx_dma_enable(adapter);
+	et131x_tx_dma_enable(adapter);
+
+	/* Restart the netif queue */
+	netif_wake_queue(netdev);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return result;
+}
+
+/**
+ * et131x_set_mac_addr - handler to change the MAC address for the device
+ * @netdev: device whose MAC is to be changed
+ * @new_mac: the desired MAC address
+ *
+ * Returns 0 on success, errno on failure (as defined in errno.h)
+ *
+ * IMPLEMENTED BY : blux http://berndlux.de 22.01.2007 21:14
+ */
+int et131x_set_mac_addr(struct net_device *netdev, void *new_mac)
+{
+	int result = 0;
+	struct et131x_adapter *adapter = netdev_priv(netdev);
+	struct sockaddr *address = new_mac;
+
+	DBG_ENTER(et131x_dbginfo);
+	// begin blux
+	// DBG_VERBOSE( et131x_dbginfo, "Function not implemented!!\n" );
+
+	if (adapter == NULL) {
+		DBG_LEAVE(et131x_dbginfo);
+		return -ENODEV;
+	}
+
+	/* Make sure the requested MAC is valid */
+	if (!is_valid_ether_addr(address->sa_data)) {
+		DBG_LEAVE(et131x_dbginfo);
+		return -EINVAL;
+	}
+
+	/* Stop the netif queue */
+	netif_stop_queue(netdev);
+
+	/* Stop the Tx and Rx DMA engines */
+	et131x_rx_dma_disable(adapter);
+	et131x_tx_dma_disable(adapter);
+
+	/* Disable device interrupts */
+	et131x_disable_interrupts(adapter);
+	et131x_handle_send_interrupt(adapter);
+	et131x_handle_recv_interrupt(adapter);
+
+	/* Set the new MAC */
+	// netdev->set_mac_address  = &new_mac;
+	// netdev->mtu = new_mtu;
+
+	memcpy(netdev->dev_addr, address->sa_data, netdev->addr_len);
+
+	printk("%s: Setting MAC address to %02x:%02x:%02x:%02x:%02x:%02x\n",
+	       netdev->name, netdev->dev_addr[0], netdev->dev_addr[1],
+	       netdev->dev_addr[2], netdev->dev_addr[3], netdev->dev_addr[4],
+	       netdev->dev_addr[5]);
+
+	/* Free Rx DMA memory */
+	et131x_adapter_memory_free(adapter);
+
+	/* Set the config parameter for Jumbo Packet support */
+	// adapter->RegistryJumboPacket = new_mtu + 14;
+	// blux: not needet here, w'll change the MAC
+
+	et131x_soft_reset(adapter);
+
+	/* Alloc and init Rx DMA memory */
+	result = et131x_adapter_memory_alloc(adapter);
+	if (result != 0) {
+		DBG_WARNING(et131x_dbginfo,
+			    "Change MAC failed; couldn't re-alloc DMA memory\n");
+		return result;
+	}
+
+	et131x_init_send(adapter);
+
+	et131x_setup_hardware_properties(adapter);
+	// memcpy( netdev->dev_addr, adapter->CurrentAddress, ETH_ALEN );
+	// blux: no, do not override our nice address
+
+	/* Init the device with the new settings */
+	et131x_adapter_setup(adapter);
+
+	/* Enable interrupts */
+	if (MP_TEST_FLAG(adapter, fMP_ADAPTER_INTERRUPT_IN_USE)) {
+		et131x_enable_interrupts(adapter);
+	}
+
+	/* Restart the Tx and Rx DMA engines */
+	et131x_rx_dma_enable(adapter);
+	et131x_tx_dma_enable(adapter);
+
+	/* Restart the netif queue */
+	netif_wake_queue(netdev);
+
+	DBG_LEAVE(et131x_dbginfo);
+	return result;
+}
diff --git a/drivers/staging/et131x/et131x_netdev.h b/drivers/staging/et131x/et131x_netdev.h
new file mode 100644
index 00000000000..b8acd14ff83
--- /dev/null
+++ b/drivers/staging/et131x/et131x_netdev.h
@@ -0,0 +1,64 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_netdev.h - Defines, structs, enums, prototypes, etc. related to the
+ *                   driver's net_device support.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_NETDEV_H__
+#define __ET131X_NETDEV_H__
+
+struct net_device *et131x_device_alloc(void);
+
+#endif /* __ET131X_NETDEV_H__ */
diff --git a/drivers/staging/et131x/et131x_version.h b/drivers/staging/et131x/et131x_version.h
new file mode 100644
index 00000000000..2ea645e1066
--- /dev/null
+++ b/drivers/staging/et131x/et131x_version.h
@@ -0,0 +1,81 @@
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et131x_version.h - This file provides system and device version information.
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#ifndef __ET131X_VERSION_H__
+#define __ET131X_VERSION_H__
+
+#define DRIVER_AUTHOR		"Victor Soriano (vjsoriano@agere.com)"
+#define DRIVER_LICENSE		"Dual BSD/GPL"
+#define DRIVER_DEVICE_STRING	"ET1310"
+#define DRIVER_NAME		"et131x"
+#define DRIVER_MAJOR_VERSION	1
+#define DRIVER_MINOR_VERSION	2
+#define DRIVER_PATCH_VERSION	3
+#define DRIVER_VERSION_STRING	"1.2.3"
+#define DRIVER_VENDOR		"Agere Systems, http://www.agere.com"
+#define DRIVER_DESC		"10/100/1000 Base-T Ethernet Driver"
+
+#define STRUCT_MODULE		"net"	/* blux: missed by the kernel */
+
+#define DRIVER_INFO		DRIVER_DESC " for the "\
+				DRIVER_DEVICE_STRING ", v" \
+				DRIVER_VERSION_STRING " by " \
+				DRIVER_VENDOR
+
+#define DRIVER_NAME_EXT		"et131x.ko"
+
+#endif /* __ET131X_VERSION_H__ */
-- 
GitLab


From 4d6f6af8d6e76443f298ac030b0fc4fe84bdbd6a Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 19 Mar 2008 14:27:25 -0700
Subject: [PATCH 0339/2224] Staging: add Alacritech slicoss network driver

This adds the Alacritech slicoss driver to the tree.

This driver is supposed to support:

	Mojave cards (single port PCI Gigabit) both copper and fiber
	Oasis cards (single and dual port PCI-x Gigabit) copper and fiber
	Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber

The driver was acutally tested on Oasis and Kalahari cards.

TODO:
	- move firmware loading to request_firmware()
	- remove direct memory access of structures
	- any remaining sparse and checkpatch.pl warnings
	- any netdev recommended changes

Many thanks to Lior Dotan <liodot@gmail.com> for help with the cleanup
of this driver.

Cc: Lior Dotan <liodot@gmail.com>
Cc: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                    |    2 +
 drivers/staging/Makefile                   |    1 +
 drivers/staging/slicoss/Kconfig            |   14 +
 drivers/staging/slicoss/Makefile           |    1 +
 drivers/staging/slicoss/README             |   19 +
 drivers/staging/slicoss/gbdownload.h       | 8215 ++++++++++++++++++++
 drivers/staging/slicoss/gbrcvucode.h       |  239 +
 drivers/staging/slicoss/oasisdbgdownload.h | 6850 ++++++++++++++++
 drivers/staging/slicoss/oasisdownload.h    | 6848 ++++++++++++++++
 drivers/staging/slicoss/oasisrcvucode.h    |  205 +
 drivers/staging/slicoss/slic.h             |  603 ++
 drivers/staging/slicoss/slic_os.h          |  163 +
 drivers/staging/slicoss/slicbuild.h        |   97 +
 drivers/staging/slicoss/slicdbg.h          |  101 +
 drivers/staging/slicoss/slicdump.h         |  279 +
 drivers/staging/slicoss/slichw.h           |  850 ++
 drivers/staging/slicoss/slicinc.h          |  221 +
 drivers/staging/slicoss/slicoss.c          | 6074 +++++++++++++++
 18 files changed, 30782 insertions(+)
 create mode 100644 drivers/staging/slicoss/Kconfig
 create mode 100644 drivers/staging/slicoss/Makefile
 create mode 100644 drivers/staging/slicoss/README
 create mode 100644 drivers/staging/slicoss/gbdownload.h
 create mode 100644 drivers/staging/slicoss/gbrcvucode.h
 create mode 100644 drivers/staging/slicoss/oasisdbgdownload.h
 create mode 100644 drivers/staging/slicoss/oasisdownload.h
 create mode 100644 drivers/staging/slicoss/oasisrcvucode.h
 create mode 100644 drivers/staging/slicoss/slic.h
 create mode 100644 drivers/staging/slicoss/slic_os.h
 create mode 100644 drivers/staging/slicoss/slicbuild.h
 create mode 100644 drivers/staging/slicoss/slicdbg.h
 create mode 100644 drivers/staging/slicoss/slicdump.h
 create mode 100644 drivers/staging/slicoss/slichw.h
 create mode 100644 drivers/staging/slicoss/slicinc.h
 create mode 100644 drivers/staging/slicoss/slicoss.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 4c3789d61a8..e18aecc6daf 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -25,4 +25,6 @@ if STAGING
 
 source "drivers/staging/et131x/Kconfig"
 
+source "drivers/staging/slicoss/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 933b984b523..e5e4a0ee77a 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -1,3 +1,4 @@
 # Makefile for staging directory
 
 obj-$(CONFIG_ET131X)		+= et131x/
+obj-$(CONFIG_SLICOSS)		+= slicoss/
diff --git a/drivers/staging/slicoss/Kconfig b/drivers/staging/slicoss/Kconfig
new file mode 100644
index 00000000000..d2993d339bc
--- /dev/null
+++ b/drivers/staging/slicoss/Kconfig
@@ -0,0 +1,14 @@
+config SLICOSS
+	tristate "Alacritech Gigabit IS-NIC support"
+	depends on PCI && X86 && NETDEV_1000
+	default n
+	help
+	  This driver supports Alacritech's IS-NIC gigabit ethernet cards.
+
+	  This includes the following devices:
+	    Mojave cards (single port PCI Gigabit) both copper and fiber
+	    Oasis cards (single and dual port PCI-x Gigabit) copper and fiber
+	    Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called slicoss.
diff --git a/drivers/staging/slicoss/Makefile b/drivers/staging/slicoss/Makefile
new file mode 100644
index 00000000000..7bc9e9b9d3a
--- /dev/null
+++ b/drivers/staging/slicoss/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_SLICOSS) += slicoss.o
diff --git a/drivers/staging/slicoss/README b/drivers/staging/slicoss/README
new file mode 100644
index 00000000000..2d5b1127ce5
--- /dev/null
+++ b/drivers/staging/slicoss/README
@@ -0,0 +1,19 @@
+This driver is supposed to support:
+
+	Mojave cards (single port PCI Gigabit) both copper and fiber
+	Oasis cards (single and dual port PCI-x Gigabit) copper and fiber
+	Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber
+
+The driver was actually tested on Oasis and Kalahari cards.
+
+TODO:
+	- move firmware loading to request_firmware()
+	- remove direct memory access of structures
+	- any remaining sparse and checkpatch.pl warnings
+	- any netdev recommended changes
+
+Please send patches to:
+        Greg Kroah-Hartman <gregkh@suse.de>
+and Cc: Lior Dotan <liodot@gmail.com> and Christopher Harrer
+<charrer@alacritech.com> as well as they are also able to test out any
+changes.
diff --git a/drivers/staging/slicoss/gbdownload.h b/drivers/staging/slicoss/gbdownload.h
new file mode 100644
index 00000000000..0350fb96c23
--- /dev/null
+++ b/drivers/staging/slicoss/gbdownload.h
@@ -0,0 +1,8215 @@
+#define MOJAVE_UCODE_VERS_STRING	"$Revision: 1.2 $"
+#define MOJAVE_UCODE_VERS_DATE  	"$Date: 2006/03/27 15:12:22 $"
+#define MOJAVE_UCODE_HOSTIF_ID  	3
+
+static LONG	MNumSections = 0x2;
+static ULONG	MSectionSize[] =
+{
+	0x00008000, 0x00010000,
+};
+
+static ULONG	MSectionStart[] =
+{
+	0x00000000, 0x00008000,
+};
+
+static u8 MojaveUCode[2][65536] =
+{
+	{
+	0x12, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x18, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x03, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8,
+	0x98, 0xb0, 0x01, 0x00, 0x04, 0x80, 0xa2, 0x40, 0xfd, 0x7f, 0x00, 0x00,
+	0x09, 0x00, 0xa2, 0x49, 0xdd, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c,
+	0x80, 0xb2, 0x01, 0x00, 0x07, 0x00, 0x00, 0x40, 0xd1, 0xb1, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x4c, 0x80, 0xb2, 0x01, 0x00, 0x09, 0x00, 0xa2, 0x40,
+	0x75, 0x7d, 0x00, 0x00, 0x60, 0x00, 0x00, 0x40, 0x61, 0x99, 0x01, 0x00,
+	0x0b, 0x00, 0xa8, 0xb1, 0x7e, 0x31, 0x00, 0x00, 0x09, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x11, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x00, 0x80, 0x1f, 0xe9, 0x18, 0x31, 0x00, 0x00, 0x00, 0x00, 0x41, 0xe9,
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+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0xb6, 0x9f, 0x00, 0x88, 0x9a, 0xb0, 0x00, 0x00, 0xb6, 0x9f, 0x00, 0x88,
+	0x9a, 0xb0, 0x00, 0x00, 0xb6, 0x9f, 0x00, 0x88, 0x9a, 0xb0, 0x00, 0x00,
+	0xb6, 0x9f, 0x00, 0x88, 0x9a, 0xb0, 0x00, 0x00, 0xb6, 0x9f, 0x00, 0x88,
+	0x9a, 0xb0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x9a, 0xb0, 0x01, 0x00,
+	0xb6, 0x9f, 0x41, 0x40, 0x81, 0x32, 0x00, 0x00, 0xb9, 0x9f, 0x22, 0x40,
+	0x7b, 0x6f, 0x00, 0x00, 0xb6, 0x9f, 0x19, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x00, 0x00, 0x19, 0x41, 0x7b, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x00, 0xa4,
+	0xc4, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x00, 0xa1, 0xc6, 0xb3, 0x01, 0x00,
+	0x00, 0x00, 0x2f, 0xa2, 0xc8, 0xb3, 0x01, 0x00, 0x08, 0x14, 0x00, 0x40,
+	0x49, 0x99, 0x01, 0x00, 0xb0, 0x9f, 0x00, 0x4d, 0x9a, 0xcc, 0x01, 0x00,
+	0xc2, 0x9f, 0x26, 0x40, 0x81, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c,
+	0x49, 0xc1, 0x01, 0x00, 0xc0, 0x9f, 0xa2, 0x41, 0x9b, 0x50, 0x00, 0x00,
+	0xc6, 0x9f, 0x80, 0x80, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x52, 0x49,
+	0xfd, 0x93, 0x01, 0x00, 0x00, 0x00, 0x00, 0x4a, 0xfd, 0x93, 0x01, 0x00,
+	0xc9, 0x9f, 0x00, 0x42, 0xcd, 0x93, 0x00, 0x00, 0x00, 0x00, 0x51, 0x4a,
+	0xfd, 0x93, 0x01, 0x00, 0x00, 0x00, 0x00, 0x49, 0xfd, 0x93, 0x01, 0x00,
+	0xc9, 0x9f, 0x00, 0x43, 0xcb, 0x93, 0x00, 0x00, 0x00, 0x00, 0x50, 0x40,
+	0x81, 0xb2, 0x01, 0x00, 0xd9, 0x9f, 0x00, 0x40, 0x19, 0x99, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xf0, 0x9a, 0xb0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x44,
+	0x49, 0xd1, 0x01, 0x00, 0x00, 0x00, 0x40, 0xf0, 0x80, 0xb2, 0x01, 0x00,
+	0x00, 0x00, 0x41, 0x4d, 0x80, 0xb2, 0x01, 0x00, 0xd1, 0x9f, 0x00, 0x40,
+	0x19, 0x99, 0x01, 0x00, 0x00, 0x00, 0x4c, 0x40, 0x81, 0xb2, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0x44, 0x49, 0xd1, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf0,
+	0x9a, 0xb0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x4d, 0x10, 0xb1, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0xe2, 0x49, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0xe3,
+	0x43, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0xe4, 0x45, 0xb1, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0x40, 0x7b, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x48, 0x4f,
+	0x40, 0xb1, 0x01, 0x00, 0xd9, 0x9f, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x00, 0x00, 0x80, 0x40, 0x81, 0xb0, 0x01, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x6a, 0x84, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x19, 0x9a, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x35, 0x9a, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x00, 0x00, 0x80, 0x40, 0x81, 0xb2, 0x01, 0x00, 0x00, 0x00, 0x00, 0xa8,
+	0x10, 0xb1, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00,
+	},
+};
diff --git a/drivers/staging/slicoss/gbrcvucode.h b/drivers/staging/slicoss/gbrcvucode.h
new file mode 100644
index 00000000000..dc008349ddd
--- /dev/null
+++ b/drivers/staging/slicoss/gbrcvucode.h
@@ -0,0 +1,239 @@
+/*
+ * Copyright (c) 1997-2002 Alacritech, Inc. All rights reserved
+ *
+ * $Id: gbrcvucode.h,v 1.2 2006/03/27 15:12:15 mook Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+#define GB_RCVUCODE_VERS_STRING	"$Revision: 1.2 $"
+#define GB_RCVUCODE_VERS_DATE  	"$Date: 2006/03/27 15:12:15 $"
+
+static ULONG GBRcvUCodeLen = 512;
+
+static u8 GBRcvUCode[2560] =
+{
+0x47, 0x75, 0x01, 0x00, 0x04, 0xa0, 0x13, 0x01, 0x00, 0x1c, 0xb7, 0x5b, 0x09,
+0x30, 0x00, 0xb6, 0x5f, 0x01, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x20, 0x18, 0x3b,
+0x78, 0x3a, 0x00, 0x1c, 0xa2, 0x77, 0x01, 0x00, 0x1c, 0x07, 0x1d, 0x01, 0x70,
+0x18, 0xb3, 0x7b, 0xa9, 0xaa, 0x1e, 0xb4, 0x7b, 0x01, 0x0c, 0x1c, 0xb5, 0x7b,
+0x1d, 0x06, 0x1c, 0x00, 0x00, 0x40, 0x64, 0x08, 0x0c, 0x31, 0x56, 0x70, 0x04,
+0x0c, 0x31, 0x56, 0x80, 0x04, 0x0c, 0x31, 0x4a, 0x90, 0x04, 0x0c, 0x31, 0x46,
+0xa0, 0x00, 0x09, 0x25, 0x51, 0xc0, 0x04, 0x0c, 0x31, 0x4e, 0xb0, 0x00, 0xe9,
+0x24, 0x51, 0xc0, 0x04, 0xcc, 0xb3, 0x00, 0x1c, 0x1c, 0xeb, 0x2d, 0x01, 0x00,
+0x1c, 0x06, 0x56, 0x42, 0xd4, 0x08, 0x07, 0x9d, 0x00, 0x00, 0x1c, 0x7b, 0xb7,
+0x02, 0x00, 0x10, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0x06, 0x56, 0x5a, 0xc0, 0x04,
+0xa0, 0x30, 0x6c, 0x03, 0x00, 0xac, 0x30, 0x6d, 0x03, 0x00, 0xcd, 0x03, 0x3a,
+0x00, 0x1c, 0x7b, 0xb7, 0x02, 0x00, 0x1c, 0x60, 0x8e, 0x41, 0x54, 0x09, 0x29,
+0x25, 0x6d, 0x03, 0x00, 0x80, 0x8e, 0x41, 0x54, 0x09, 0x8c, 0x30, 0x8d, 0x00,
+0x04, 0x47, 0x1c, 0x01, 0x00, 0x1c, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0x00, 0x00,
+0x60, 0x00, 0x04, 0x47, 0x1c, 0x61, 0xc0, 0x04, 0x47, 0x1c, 0x6d, 0x03, 0x00,
+0x6c, 0x30, 0x01, 0x00, 0x1c, 0x4d, 0x34, 0x02, 0x00, 0x1c, 0x7b, 0xb7, 0x02,
+0x00, 0x1c, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0xc8, 0x83, 0x37, 0x00, 0x1c, 0x80,
+0x01, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x60, 0x00, 0x04, 0xa0, 0x0f, 0x40, 0x54,
+0x09, 0x00, 0x00, 0x6c, 0xc3, 0x04, 0x7b, 0xfb, 0xf2, 0x00, 0x1c, 0xcc, 0x33,
+0x0d, 0x00, 0x1c, 0xb4, 0x7b, 0xfd, 0x03, 0x1c, 0x80, 0x0e, 0x40, 0x54, 0x09,
+0xe0, 0xfb, 0x05, 0x00, 0x1c, 0x00, 0x00, 0xa0, 0x03, 0x00, 0xb3, 0x0f, 0x41,
+0x54, 0x09, 0x00, 0x00, 0xe8, 0x70, 0x04, 0x00, 0x00, 0xe8, 0x80, 0x04, 0x00,
+0x00, 0xa0, 0x93, 0x00, 0x61, 0x76, 0xa1, 0xc3, 0x04, 0xc0, 0x8d, 0x41, 0x54,
+0x09, 0xe0, 0x7b, 0x00, 0xc0, 0x1f, 0xa0, 0xfd, 0xc1, 0x01, 0x00, 0xcc, 0x33,
+0x05, 0x00, 0x1c, 0xd4, 0x03, 0x00, 0x3c, 0x1c, 0xd4, 0xd3, 0x1b, 0x00, 0x1c,
+0xc0, 0xd3, 0x52, 0x00, 0x1c, 0x00, 0x00, 0x74, 0x13, 0x04, 0x8e, 0x8e, 0x42,
+0x54, 0x09, 0x5b, 0x80, 0x76, 0x13, 0x04, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00,
+0x00, 0x90, 0x01, 0x00, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0xa0, 0x0f, 0x41, 0x54,
+0x09, 0xc0, 0x03, 0xfc, 0x7f, 0x1c, 0xa0, 0x01, 0x9c, 0x01, 0x00, 0x00, 0x00,
+0xa0, 0x01, 0x00, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0xc0, 0x03, 0xfc, 0x03, 0x1c,
+0xf5, 0x77, 0x01, 0x00, 0x1c, 0x26, 0x7a, 0xf6, 0x05, 0x1c, 0xa0, 0x0f, 0x41,
+0x54, 0x09, 0xb3, 0x0f, 0x41, 0x54, 0x09, 0xb5, 0x02, 0x02, 0x00, 0x1c, 0xa0,
+0x0f, 0x41, 0x54, 0x09, 0x7a, 0x06, 0x02, 0x00, 0x1c, 0xb5, 0x02, 0x02, 0x00,
+0x1c, 0x53, 0x0f, 0x42, 0x54, 0x09, 0xaf, 0x03, 0x01, 0x00, 0x1c, 0x7a, 0x0e,
+0x42, 0x54, 0x09, 0xb5, 0x02, 0x02, 0x00, 0x1c, 0x00, 0x00, 0x02, 0x00, 0x1c,
+0xa0, 0x3d, 0xa6, 0x11, 0x04, 0x00, 0x00, 0xa8, 0x11, 0x04, 0xd4, 0xd3, 0x52,
+0x00, 0x1c, 0xb5, 0x3e, 0xae, 0x01, 0x00, 0x20, 0xfb, 0xfd, 0xff, 0x1f, 0x80,
+0x2c, 0x84, 0x03, 0x00, 0xb9, 0x3a, 0x9a, 0x01, 0x00, 0x75, 0x3b, 0x02, 0x00,
+0x1c, 0xa7, 0x1c, 0x01, 0x00, 0x10, 0xdb, 0x83, 0x16, 0x00, 0x1c, 0xc7, 0x1d,
+0x1d, 0xc1, 0x04, 0xb9, 0x3b, 0x89, 0xc1, 0x04, 0x8b, 0x2c, 0x01, 0x00, 0x1c,
+0x6b, 0x2c, 0x31, 0xc1, 0x04, 0x00, 0x00, 0x74, 0x11, 0x00, 0xcb, 0x2c, 0x75,
+0xc1, 0x04, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0x54,
+0xd0, 0x02, 0x00, 0x1c, 0x49, 0x25, 0xad, 0x01, 0x00, 0xab, 0x2c, 0x7d, 0xc1,
+0x04, 0xa7, 0x1d, 0x6d, 0x03, 0x00, 0xcc, 0x33, 0x09, 0x00, 0x1c, 0xeb, 0x2d,
+0x01, 0x00, 0x1c, 0xea, 0x29, 0x01, 0x00, 0x1c, 0xa0, 0x0f, 0x41, 0x54, 0x09,
+0xae, 0x0f, 0x41, 0x54, 0x09, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0xd4, 0x07, 0xfc,
+0x03, 0x1c, 0x99, 0x3a, 0x02, 0x00, 0x1c, 0xbb, 0x38, 0x02, 0x00, 0x1c, 0x00,
+0x38, 0x00, 0x00, 0x1c, 0x00, 0x00, 0xf8, 0x01, 0x04, 0xdb, 0x3b, 0x7e, 0x00,
+0x1c, 0xc7, 0x1d, 0x01, 0x00, 0x1c, 0x26, 0x7a, 0x0a, 0x06, 0x1c, 0x27, 0x1d,
+0x01, 0x00, 0x1c, 0xb3, 0x0f, 0x41, 0x54, 0x09, 0x7a, 0x0e, 0x42, 0x54, 0x09,
+0x53, 0x0f, 0x42, 0x54, 0x09, 0x7a, 0x0e, 0x42, 0x54, 0x09, 0x53, 0x0f, 0x42,
+0x54, 0x09, 0x7a, 0x0e, 0x42, 0x54, 0x09, 0x53, 0x0f, 0x42, 0x54, 0x09, 0xa0,
+0x0f, 0x41, 0x54, 0x09, 0x7a, 0x06, 0x02, 0x00, 0x1c, 0x53, 0x0f, 0x42, 0x54,
+0x09, 0xaf, 0x03, 0x01, 0x00, 0x1c, 0x7a, 0x0e, 0x42, 0x54, 0x09, 0x53, 0x0f,
+0x42, 0x54, 0x09, 0x7a, 0x0e, 0x42, 0x54, 0x09, 0x53, 0x0f, 0x42, 0x54, 0x09,
+0x7a, 0x0e, 0x42, 0x54, 0x09, 0x53, 0x0f, 0x42, 0x54, 0x09, 0x7a, 0x0e, 0x42,
+0x54, 0x09, 0x00, 0x3d, 0x02, 0x00, 0x1c, 0x00, 0x00, 0x54, 0x12, 0x00, 0xcb,
+0x2c, 0x01, 0x00, 0x1c, 0x75, 0x3b, 0x02, 0x00, 0x1c, 0xa7, 0x1c, 0x01, 0x00,
+0x10, 0xa6, 0x7b, 0xf1, 0x05, 0x1c, 0x00, 0x00, 0x88, 0xc2, 0x04, 0xa6, 0x7b,
+0xf1, 0x05, 0x1c, 0x00, 0x00, 0xa0, 0xc2, 0x04, 0xcb, 0x2f, 0x05, 0x00, 0x1c,
+0x60, 0x2c, 0x00, 0x00, 0x1c, 0xc7, 0x1c, 0xe1, 0x02, 0x00, 0x53, 0x0f, 0x42,
+0x54, 0x09, 0xc0, 0x83, 0xf1, 0x32, 0x1c, 0x00, 0x00, 0x5c, 0x02, 0x04, 0x46,
+0x7a, 0xda, 0x05, 0x1c, 0x7a, 0x0e, 0x42, 0x54, 0x09, 0xc0, 0x83, 0xf1, 0x32,
+0x1c, 0x00, 0x00, 0x64, 0x02, 0x04, 0x40, 0xfa, 0x15, 0x00, 0x1c, 0x00, 0x00,
+0xa0, 0x02, 0x04, 0x46, 0x7a, 0xda, 0x05, 0x1c, 0xa0, 0x0f, 0x41, 0x54, 0x09,
+0xa0, 0x0f, 0x41, 0x54, 0x09, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0xa0, 0x0f, 0x41,
+0x54, 0x09, 0xb3, 0x7b, 0x01, 0xc0, 0x1f, 0x74, 0x0e, 0x40, 0x54, 0x09, 0xc0,
+0x03, 0x9c, 0x00, 0x1c, 0x80, 0x00, 0xf0, 0x02, 0x00, 0x00, 0x00, 0xf0, 0x02,
+0x04, 0x00, 0x00, 0xc4, 0x12, 0x05, 0x07, 0x1d, 0x01, 0x00, 0x1c, 0xd4, 0xd3,
+0x2b, 0x00, 0x1c, 0xd4, 0xd3, 0x52, 0x00, 0x1c, 0x80, 0x76, 0x95, 0x13, 0x04,
+0x00, 0x00, 0xf8, 0x02, 0x00, 0xa6, 0x7b, 0xa9, 0x03, 0x10, 0xc7, 0x9c, 0x00,
+0x00, 0x1c, 0x80, 0x2c, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x78, 0x02, 0x04, 0x00,
+0x00, 0x6c, 0xc3, 0x04, 0xab, 0x2d, 0xf1, 0x12, 0x05, 0x07, 0x1d, 0xcd, 0xc2,
+0x04, 0x8b, 0x2d, 0x01, 0x00, 0x1c, 0x69, 0x25, 0x01, 0x00, 0x1c, 0xa6, 0x7b,
+0xa9, 0x03, 0x10, 0xcb, 0x2f, 0x09, 0x00, 0x1c, 0x60, 0x2c, 0x00, 0x00, 0x1c,
+0x00, 0x00, 0x60, 0x03, 0x00, 0x53, 0x0f, 0x42, 0x54, 0x09, 0x46, 0x7a, 0xda,
+0x05, 0x1c, 0x7a, 0x0e, 0x42, 0x54, 0x09, 0x40, 0xfa, 0x15, 0x00, 0x1c, 0x00,
+0x00, 0x28, 0x03, 0x04, 0x46, 0x7a, 0xda, 0x05, 0x1c, 0xb5, 0x0f, 0x41, 0x54,
+0x09, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0x73, 0xec, 0x42, 0x03, 0x04, 0x60, 0x2c,
+0x00, 0x00, 0x1c, 0x00, 0x00, 0x40, 0x03, 0x00, 0xc7, 0x1c, 0x01, 0x00, 0x1c,
+0x00, 0x00, 0x40, 0x13, 0x05, 0x07, 0x1d, 0x01, 0x00, 0x1c, 0xc0, 0xd7, 0x22,
+0x00, 0x1c, 0x75, 0x56, 0x96, 0x13, 0x04, 0x60, 0x2c, 0x00, 0x00, 0x1c, 0xe7,
+0x1c, 0x5d, 0x03, 0x04, 0xe7, 0x9c, 0x00, 0x00, 0x1c, 0xa6, 0x7b, 0xa9, 0x03,
+0x10, 0x80, 0x2c, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x10, 0x03, 0x04, 0x00, 0x00,
+0x6c, 0xc3, 0x04, 0xb9, 0x7b, 0x01, 0x00, 0x1c, 0x00, 0x00, 0xa0, 0xc3, 0x04,
+0xcb, 0xaf, 0xfc, 0x07, 0x1c, 0xcb, 0x2f, 0x01, 0x04, 0x1c, 0xc7, 0x9f, 0x80,
+0x03, 0x1c, 0x00, 0x00, 0xa0, 0xc3, 0x04, 0xcb, 0xaf, 0xfc, 0x07, 0x1c, 0xcb,
+0x2f, 0x0d, 0x04, 0x1c, 0xc7, 0x9f, 0x80, 0x03, 0x1c, 0x00, 0x00, 0xa0, 0xc3,
+0x04, 0xcb, 0xaf, 0x00, 0xf8, 0x1d, 0xcb, 0x2f, 0x01, 0x00, 0x1d, 0x00, 0x00,
+0xa0, 0xc3, 0x04, 0x00, 0x00, 0xa0, 0x13, 0x05, 0x07, 0x1d, 0x01, 0x00, 0x1c,
+0xc0, 0x1d, 0xf0, 0xd3, 0x08, 0x27, 0x9d, 0xf8, 0x03, 0x00, 0xa0, 0xee, 0x56,
+0xd4, 0x00, 0xfb, 0x75, 0x19, 0x14, 0x04, 0x20, 0x7b, 0x06, 0x00, 0x1c, 0xc0,
+0x1c, 0x2c, 0x04, 0x00, 0x00, 0x00, 0xc4, 0xd3, 0x08, 0x00, 0x00, 0x10, 0xf4,
+0x00, 0xc0, 0xef, 0xf2, 0x00, 0x1c, 0x20, 0x25, 0x6c, 0x14, 0x04, 0x60, 0xb7,
+0xe6, 0x03, 0x00, 0x00, 0x00, 0x1c, 0x15, 0x00, 0xcc, 0xb3, 0xfc, 0x03, 0x1c,
+0xcc, 0x33, 0x05, 0x02, 0x1c, 0x00, 0x00, 0x1c, 0xc5, 0x04, 0x60, 0xb7, 0x1e,
+0x05, 0x04, 0x00, 0x00, 0x1c, 0x15, 0x04, 0x00, 0x00, 0x6c, 0xc4, 0x04, 0xc0,
+0x1d, 0xac, 0xf3, 0x04, 0x00, 0x00, 0x78, 0xc4, 0x04, 0x07, 0x9d, 0x00, 0x00,
+0x1c, 0x1b, 0x74, 0x0d, 0xf4, 0x04, 0xa0, 0x0f, 0x41, 0x54, 0x09, 0xe0, 0x7b,
+0x00, 0xfc, 0x1f, 0x39, 0x7f, 0x02, 0x00, 0x1c, 0x07, 0x1d, 0xb1, 0xc3, 0x04,
+0xa6, 0x7b, 0xc1, 0x03, 0x1c, 0x00, 0x00, 0x78, 0xc4, 0x04, 0xe0, 0x1c, 0x00,
+0x00, 0x1c, 0x00, 0x00, 0xb8, 0x03, 0x04, 0xcb, 0xaf, 0x00, 0xf8, 0x1d, 0xcb,
+0x2f, 0x01, 0x10, 0x1d, 0x00, 0x00, 0xc0, 0xc3, 0x04, 0x00, 0x00, 0xc0, 0x03,
+0x04, 0xcb, 0xaf, 0x00, 0xf8, 0x1d, 0xcb, 0x2f, 0x01, 0x18, 0x1d, 0xc7, 0x9f,
+0x00, 0x0b, 0x1c, 0x00, 0x00, 0xc0, 0xc3, 0x04, 0xfb, 0x75, 0x01, 0x00, 0x1c,
+0x07, 0x1d, 0x01, 0x00, 0x1c, 0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x01,
+0x02, 0x1c, 0x00, 0x00, 0xc0, 0xc3, 0x04, 0xa0, 0x1c, 0x00, 0x00, 0x1c, 0xa0,
+0xee, 0xb6, 0x03, 0x04, 0xcb, 0xaf, 0xfc, 0x07, 0x1c, 0xcb, 0x2f, 0x09, 0x04,
+0x1c, 0xfb, 0x75, 0x01, 0x00, 0x1c, 0x00, 0x00, 0xc0, 0xc3, 0x04, 0xcc, 0xb3,
+0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x01, 0x02, 0x1c, 0x00, 0x00, 0x1c, 0xc5, 0x04,
+0x00, 0x00, 0x88, 0x34, 0x05, 0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x15,
+0x02, 0x1c, 0x47, 0x9d, 0x64, 0xc4, 0x04, 0x00, 0x00, 0x88, 0x44, 0x00, 0x80,
+0x1d, 0x8c, 0x54, 0x04, 0x87, 0x1d, 0x9d, 0x04, 0x00, 0xce, 0x76, 0x01, 0x00,
+0x1c, 0xef, 0x76, 0xad, 0xc4, 0x04, 0xa4, 0x77, 0x9d, 0x24, 0x09, 0xe4, 0x76,
+0x01, 0x00, 0x1c, 0xc4, 0x76, 0x01, 0x00, 0x1c, 0x00, 0x00, 0xa8, 0x54, 0x04,
+0xd7, 0x76, 0x01, 0x50, 0x18, 0xf6, 0x76, 0x01, 0x00, 0x1c, 0x00, 0x00, 0x00,
+0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x10, 0xcc, 0x30, 0x51, 0xc5, 0x04, 0xeb,
+0x2d, 0x01, 0x00, 0x1c, 0xea, 0x29, 0x01, 0x00, 0x1c, 0xc0, 0x59, 0x01, 0x00,
+0x1c, 0xf5, 0x77, 0x39, 0xc5, 0x04, 0xe0, 0x30, 0xec, 0x04, 0x00, 0x00, 0x4c,
+0xc0, 0x04, 0x00, 0x20, 0x4c, 0x04, 0x05, 0x00, 0x00, 0x00, 0xf8, 0x04, 0x00,
+0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x09, 0x02, 0x1c, 0xeb, 0x2d, 0xc5,
+0xc4, 0x04, 0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x19, 0x02, 0x1c, 0xeb,
+0x2d, 0xc5, 0xc4, 0x04, 0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x0d, 0x02,
+0x1c, 0xeb, 0x2d, 0xc5, 0xc4, 0x04, 0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33,
+0x11, 0x02, 0x1c, 0xeb, 0x2d, 0xc5, 0xc4, 0x04, 0x00, 0x7b, 0x00, 0x80, 0x1c,
+0xae, 0x77, 0x51, 0x05, 0x00, 0x00, 0x00, 0x04, 0xc0, 0x04, 0xd3, 0x8b, 0x00,
+0xfc, 0x1f, 0x60, 0x7a, 0x3c, 0x00, 0x1c, 0x60, 0x4c, 0xd0, 0x04, 0x00, 0xc0,
+0x2f, 0x20, 0x05, 0x1f, 0xe0, 0x30, 0xc0, 0x04, 0x00, 0x80, 0x25, 0xc0, 0x04,
+0x00, 0xb5, 0x5b, 0xc1, 0x04, 0x04, 0x69, 0x26, 0x01, 0x00, 0x1c, 0x6a, 0x2b,
+0x01, 0x00, 0x1c, 0x80, 0x1d, 0x00, 0x00, 0x1c, 0xa9, 0x25, 0x51, 0x05, 0x00,
+0xee, 0x30, 0x00, 0x00, 0x1c, 0xaf, 0x77, 0x11, 0x05, 0x00, 0xb4, 0x5f, 0x01,
+0x40, 0x18, 0x07, 0x9d, 0x54, 0x55, 0x04, 0xb7, 0x76, 0x01, 0x00, 0x1c, 0x96,
+0x76, 0x01, 0x00, 0x1c, 0x47, 0x1d, 0x01, 0x00, 0x1c, 0xa4, 0x33, 0x01, 0x60,
+0x18, 0xa4, 0x2f, 0x01, 0x60, 0x18, 0x64, 0x77, 0x01, 0x60, 0x18, 0x24, 0x77,
+0x01, 0x60, 0x18, 0x44, 0x77, 0x01, 0x00, 0x1c, 0x64, 0x88, 0x03, 0x00, 0x1c,
+0xa4, 0x3f, 0x01, 0x00, 0x1c, 0xa4, 0x3b, 0x01, 0x00, 0x1c, 0x53, 0x77, 0x01,
+0x00, 0x1c, 0xd3, 0xcf, 0x3b, 0x00, 0x1c, 0x53, 0x4f, 0x02, 0x00, 0x1c, 0xd3,
+0xcf, 0x00, 0x00, 0x1f, 0xda, 0xcf, 0x0b, 0x00, 0x1c, 0xd5, 0x57, 0x0f, 0x00,
+0x1c, 0xd3, 0xd3, 0x37, 0x00, 0x1c, 0xd4, 0x53, 0x0f, 0x00, 0x1c, 0xe0, 0x29,
+0x00, 0x00, 0x1c, 0xf5, 0xd5, 0xc0, 0x05, 0x00, 0x00, 0x00, 0xac, 0x55, 0x04,
+0x77, 0x56, 0x01, 0x00, 0x1c, 0x56, 0x53, 0x01, 0x00, 0x1c, 0x00, 0x00, 0x00,
+0x10, 0x18, 0x00, 0x00, 0x04, 0xc0, 0x04, 0xf5, 0x55, 0x01, 0x00, 0x1c, 0x00,
+0x00, 0xc4, 0x55, 0x04, 0x77, 0x56, 0x01, 0x00, 0x1c, 0x56, 0x53, 0x01, 0x00,
+0x1c, 0x00, 0x00, 0x00, 0x10, 0x18, 0x00, 0x00, 0x04, 0xc0, 0x04, 0xcb, 0x2f,
+0x01, 0x18, 0x10, 0xcb, 0x2f, 0x01, 0x10, 0x10, 0xcb, 0x2f, 0x01, 0x08, 0x10,
+0xcb, 0x2f, 0x01, 0x08, 0x10, 0xcb, 0x2f, 0x01, 0x20, 0x10, 0xcb, 0x2f, 0x01,
+0x00, 0x10, 0xcb, 0x2f, 0x01, 0x28, 0x10, 0x89, 0x25, 0x6d, 0xc2, 0x04, 0x00,
+0x00, 0x04, 0xc3, 0x04, 0x00, 0x00, 0x6c, 0xc3, 0x04, 0x00, 0x00, 0x6c, 0xc3,
+0x04, 0x00, 0x00, 0x6c, 0xc3, 0x04, 0x00, 0x00, 0x6c, 0xc2, 0x04, 0x00, 0x00,
+0x04, 0xc3, 0x04, 0x00, 0x00, 0x6c, 0xc3, 0x04, 0x00, 0x00, 0x6c, 0xc3, 0x04,
+0x00, 0x00, 0x6c, 0xc3, 0x04, 0x40, 0x1c, 0x68, 0xc0, 0x04, 0x40, 0x1c, 0x98,
+0xc0, 0x04, 0xa7, 0x77, 0x6d, 0xc3, 0x04, 0x00, 0x00, 0xc0, 0xc0, 0x04, 0x27,
+0x1d, 0xed, 0xc0, 0x04, 0x00, 0x00, 0x6c, 0xc3, 0x04, 0x00, 0x00, 0x6c, 0xc3,
+0x04, 0x00, 0x00, 0x6c, 0xc3, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00,
+0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6,
+0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00,
+0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c,
+0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04, 0x00, 0x00, 0x3c, 0xc6, 0x04,
+};
diff --git a/drivers/staging/slicoss/oasisdbgdownload.h b/drivers/staging/slicoss/oasisdbgdownload.h
new file mode 100644
index 00000000000..cae5d55d285
--- /dev/null
+++ b/drivers/staging/slicoss/oasisdbgdownload.h
@@ -0,0 +1,6850 @@
+#define OASIS_UCODE_VERS_STRING	"$Revision: 1.2 $"
+#define OASIS_UCODE_VERS_DATE  	"$Date: 2006/03/27 15:11:22 $"
+#define OASIS_UCODE_HOSTIF_ID  	3
+
+static LONG	ONumSections = 0x2;
+static ULONG	OSectionSize[] =
+{
+	0x00004000, 0x00010000,
+};
+
+static ULONG	OSectionStart[] =
+{
+	0x00000000, 0x00008000,
+};
+
+static u8 OasisUCode[2][65536] =
+{
+	{
+	0x15, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x21, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x03, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8,
+	0x98, 0xb0, 0x01, 0x00, 0x04, 0x80, 0xa2, 0x40, 0xfd, 0x7f, 0x00, 0x00,
+	0x09, 0x00, 0xa2, 0x49, 0xdd, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c,
+	0x80, 0xb2, 0x01, 0x00, 0x07, 0x00, 0x00, 0x40, 0xd1, 0xb1, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x4c, 0x80, 0xb2, 0x01, 0x00, 0x09, 0x00, 0xa2, 0x40,
+	0x75, 0x7d, 0x00, 0x00, 0x60, 0x00, 0x00, 0x40, 0x61, 0x99, 0x01, 0x00,
+	0x0b, 0x00, 0xa8, 0xb1, 0x7e, 0x31, 0x00, 0x00, 0x09, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x00, 0x80, 0x8f, 0x98, 0x18, 0x31, 0x00, 0x00,
+	0x10, 0x00, 0x00, 0x98, 0x80, 0xe4, 0x01, 0x00, 0x00, 0x00, 0x41, 0x98,
+	0x80, 0x94, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x01, 0x00,
+	0x10, 0x00, 0x00, 0x98, 0x80, 0xe4, 0x01, 0x00, 0x0e, 0x00, 0x40, 0x98,
+	0x80, 0x94, 0x00, 0x00, 0x11, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x40, 0xa5, 0x99, 0x01, 0x00, 0x19, 0x00, 0x29, 0x40,
+	0x81, 0x32, 0x00, 0x00, 0x19, 0x00, 0x14, 0xbc, 0x80, 0x32, 0x00, 0x00,
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+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0xae, 0x9f, 0x00, 0x88,
+	0x9a, 0xb0, 0x00, 0x00, 0xae, 0x9f, 0x00, 0x88, 0x9a, 0xb0, 0x00, 0x00,
+	0xae, 0x9f, 0x00, 0x88, 0x9a, 0xb0, 0x00, 0x00, 0xae, 0x9f, 0x00, 0x88,
+	0x9a, 0xb0, 0x00, 0x00, 0xae, 0x9f, 0x00, 0x88, 0x9a, 0xb0, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x88, 0x9a, 0xb0, 0x01, 0x00, 0xae, 0x9f, 0x41, 0x40,
+	0x81, 0x32, 0x00, 0x00, 0xb2, 0x9f, 0x22, 0x40, 0x7b, 0x6f, 0x00, 0x00,
+	0x00, 0x00, 0x19, 0x40, 0x81, 0xb2, 0x01, 0x00, 0xae, 0x9f, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x19, 0x41, 0x7b, 0xb3, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xa4, 0xc4, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x00, 0xa1,
+	0xc6, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x2f, 0xa2, 0xc8, 0xb3, 0x01, 0x00,
+	0x08, 0x14, 0x00, 0x40, 0x49, 0x99, 0x01, 0x00, 0xa8, 0x9f, 0x00, 0x4d,
+	0x9a, 0xcc, 0x01, 0x00, 0xbb, 0x9f, 0x26, 0x40, 0x81, 0x32, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x4c, 0x49, 0xc1, 0x01, 0x00, 0xb9, 0x9f, 0xa2, 0x41,
+	0x9b, 0x50, 0x00, 0x00, 0xbf, 0x9f, 0x80, 0x80, 0x80, 0x32, 0x00, 0x00,
+	0x00, 0x00, 0x52, 0x49, 0xfd, 0x93, 0x01, 0x00, 0x00, 0x00, 0x00, 0x4a,
+	0xfd, 0x93, 0x01, 0x00, 0xc2, 0x9f, 0x00, 0x42, 0xcd, 0x93, 0x00, 0x00,
+	0x00, 0x00, 0x51, 0x4a, 0xfd, 0x93, 0x01, 0x00, 0x00, 0x00, 0x00, 0x49,
+	0xfd, 0x93, 0x01, 0x00, 0xc2, 0x9f, 0x00, 0x43, 0xcb, 0x93, 0x00, 0x00,
+	0x00, 0x00, 0x50, 0x40, 0x81, 0xb2, 0x01, 0x00, 0xd2, 0x9f, 0x00, 0x40,
+	0x19, 0x99, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x9a, 0xb0, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0x44, 0x49, 0xd1, 0x01, 0x00, 0x00, 0x00, 0x40, 0xf0,
+	0x80, 0xb2, 0x01, 0x00, 0x00, 0x00, 0x41, 0x4d, 0x80, 0xb2, 0x01, 0x00,
+	0xca, 0x9f, 0x00, 0x40, 0x19, 0x99, 0x01, 0x00, 0x00, 0x00, 0x4c, 0x40,
+	0x81, 0xb2, 0x01, 0x00, 0x00, 0x00, 0x00, 0x44, 0x49, 0xd1, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xf0, 0x9a, 0xb0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x4d,
+	0x10, 0xb1, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x49, 0xb1, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xe3, 0x43, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0xe4,
+	0x45, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, 0x7b, 0xb3, 0x01, 0x00,
+	0x00, 0x00, 0x48, 0x4f, 0x40, 0xb1, 0x01, 0x00, 0xd2, 0x9f, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0xcb,
+	0x81, 0xc8, 0x01, 0x00, 0x22, 0x83, 0x00, 0x40, 0xf2, 0x93, 0x00, 0x00,
+	0x55, 0x82, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x40, 0x05, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x18, 0x06, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x22, 0x83, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0xc6, 0x82, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x43, 0x81, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x41, 0x81, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0xb8, 0x80, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0xed, 0x87, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x23, 0x83, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x27, 0x83, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0xb9, 0x94, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x8d, 0x98, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x79, 0x94, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x78, 0x98, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x87, 0x95, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x10, 0x95, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x0a, 0x95, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0xb1, 0x82, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x19, 0x99, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00,
+	},
+};
diff --git a/drivers/staging/slicoss/oasisdownload.h b/drivers/staging/slicoss/oasisdownload.h
new file mode 100644
index 00000000000..89a440c4c3a
--- /dev/null
+++ b/drivers/staging/slicoss/oasisdownload.h
@@ -0,0 +1,6848 @@
+#define OASIS_UCODE_VERS_STRING	"$Revision: 1.2 $"
+#define OASIS_UCODE_VERS_DATE  	"$Date: 2006/03/27 15:10:37 $"
+#define OASIS_UCODE_HOSTIF_ID  	3
+
+static LONG ONumSections = 0x2;
+static ULONG OSectionSize[] = {
+	0x00004000, 0x00010000,
+};
+
+static ULONG OSectionStart[] = {
+	0x00000000, 0x00008000,
+};
+
+static u8 OasisUCode[2][65536] =
+{
+	{
+	0x15, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x21, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x03, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8,
+	0x98, 0xb0, 0x01, 0x00, 0x04, 0x80, 0xa2, 0x40, 0xfd, 0x7f, 0x00, 0x00,
+	0x09, 0x00, 0xa2, 0x49, 0xdd, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4c,
+	0x80, 0xb2, 0x01, 0x00, 0x07, 0x00, 0x00, 0x40, 0xd1, 0xb1, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x4c, 0x80, 0xb2, 0x01, 0x00, 0x09, 0x00, 0xa2, 0x40,
+	0x75, 0x7d, 0x00, 0x00, 0x60, 0x00, 0x00, 0x40, 0x61, 0x99, 0x01, 0x00,
+	0x0b, 0x00, 0xa8, 0xb1, 0x7e, 0x31, 0x00, 0x00, 0x09, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x00, 0x80, 0x8f, 0x98, 0x18, 0x31, 0x00, 0x00,
+	0x10, 0x00, 0x00, 0x98, 0x80, 0xe4, 0x01, 0x00, 0x00, 0x00, 0x41, 0x98,
+	0x80, 0x94, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x01, 0x00,
+	0x10, 0x00, 0x00, 0x98, 0x80, 0xe4, 0x01, 0x00, 0x0e, 0x00, 0x40, 0x98,
+	0x80, 0x94, 0x00, 0x00, 0x11, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x40, 0xa5, 0x99, 0x01, 0x00, 0x19, 0x00, 0x29, 0x40,
+	0x81, 0x32, 0x00, 0x00, 0x19, 0x00, 0x14, 0xbc, 0x80, 0x32, 0x00, 0x00,
+	0x0e, 0x00, 0x93, 0xbc, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x50, 0x40,
+	0x81, 0xb2, 0x01, 0x00, 0x00, 0x80, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x10, 0x00, 0x00, 0x40, 0xa5, 0x99, 0x01, 0x00, 0x1f, 0x00, 0x29, 0x40,
+	0x81, 0x32, 0x00, 0x00, 0x1f, 0x00, 0x14, 0xbc, 0x80, 0x32, 0x00, 0x00,
+	0x12, 0x00, 0x93, 0xbc, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x50, 0x40,
+	0x81, 0xb2, 0x01, 0x00, 0x01, 0x80, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x20, 0x00, 0x00, 0x40, 0xa5, 0x99, 0x01, 0x00, 0x25, 0x00, 0x29, 0x40,
+	0x81, 0x32, 0x00, 0x00, 0x25, 0x00, 0x14, 0xbc, 0x80, 0x32, 0x00, 0x00,
+	0x14, 0x00, 0x93, 0xbc, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49,
+	0xdd, 0x81, 0x01, 0x00, 0x12, 0x01, 0x00, 0x40, 0x81, 0x32, 0x01, 0x00,
+	0x33, 0x01, 0x00, 0x40, 0x81, 0x32, 0x01, 0x00, 0x2a, 0x00, 0x14, 0xbc,
+	0x80, 0x32, 0x00, 0x00, 0xfe, 0x00, 0x13, 0xbc, 0x80, 0x32, 0x00, 0x00,
+	0x54, 0x95, 0x00, 0x40, 0x45, 0x99, 0x01, 0x00, 0xff, 0xff, 0x00, 0x40,
+	0xe5, 0x99, 0x01, 0x00, 0x00, 0x00, 0x2f, 0x40, 0x49, 0xb1, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0x40, 0xe1, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40,
+	0xfd, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, 0xff, 0xb3, 0x01, 0x00,
+	0x33, 0x00, 0x18, 0xee, 0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50,
+	0x89, 0xb0, 0x01, 0x00, 0x32, 0x00, 0xa2, 0x41, 0x89, 0x50, 0x00, 0x00,
+	0x99, 0x00, 0x00, 0x40, 0x81, 0x32, 0x01, 0x00, 0x30, 0x94, 0x00, 0x40,
+	0x43, 0x99, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x20, 0xb1, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xfa, 0xe0, 0xb3, 0x01, 0x00, 0x39, 0x00, 0x98, 0xee,
+	0x80, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb, 0x80, 0xb0, 0x01, 0x00,
+	0x3b, 0x00, 0x80, 0xf3, 0xde, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47,
+	0xfd, 0x93, 0x01, 0x00, 0x3e, 0x00, 0x83, 0xf3, 0x80, 0x32, 0x00, 0x00,
+	0xf0, 0x00, 0x00, 0xf3, 0x80, 0x88, 0x01, 0x00, 0x01, 0x80, 0x00, 0x40,
+	0x2e, 0xdd, 0x01, 0x00, 0x00, 0x94, 0x00, 0x40, 0x43, 0x99, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0x46, 0x43, 0xc1, 0x01, 0x00, 0x00, 0x00, 0x00, 0xfa,
+	0x24, 0xb1, 0x01, 0x00, 0x7c, 0x00, 0x18, 0xee, 0x80, 0x32, 0x00, 0x00,
+	0x45, 0x00, 0x95, 0xe8, 0x80, 0x32, 0x00, 0x00, 0xff, 0xff, 0x00, 0xe8,
+	0x80, 0x88, 0x01, 0x00, 0x7c, 0x00, 0x26, 0x40, 0x81, 0x32, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x40, 0xd5, 0x99, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf2,
+	0xec, 0xb3, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xd6, 0xb1, 0x01, 0x00,
+	0x08, 0x00, 0x00, 0x40, 0xd5, 0x99, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf0,
+	0xd6, 0xb1, 0x01, 0x00, 0xff, 0x00, 0x00, 0xf8, 0xee, 0x8b, 0x01, 0x00,
+	0x08, 0x01, 0x00, 0x40, 0xd5, 0x99, 0x01, 0x00, 0xff, 0x00, 0x00, 0xf0,
+	0x80, 0x8c, 0x01, 0x00, 0x00, 0x00, 0x00, 0xf7, 0x81, 0x94, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0x40, 0xd6, 0xb1, 0x01, 0x00, 0xff, 0x00, 0x00, 0xf8,
+	0x80, 0x88, 0x01, 0x00, 0x3c, 0x00, 0x00, 0x40, 0xd5, 0x99, 0x01, 0x00,
+	0xff, 0x00, 0x00, 0xf0, 0xd6, 0x8d, 0x01, 0x00, 0xff, 0xff, 0x00, 0xf0,
+	0xf0, 0xdb, 0x01, 0x00, 0x00, 0x00, 0x00, 0x48, 0x81, 0xe0, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xf8, 0x81, 0x94, 0x01, 0x00, 0x3c, 0x01, 0x00, 0x40,
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+	0x81, 0xb2, 0x01, 0x00, 0x00, 0x00, 0x00, 0x44, 0x49, 0xd1, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xf0, 0x9a, 0xb0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x4d,
+	0x10, 0xb1, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x49, 0xb1, 0x01, 0x00,
+	0x00, 0x00, 0x00, 0xe3, 0x43, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0xe4,
+	0x45, 0xb1, 0x01, 0x00, 0x00, 0x00, 0x00, 0x40, 0x7b, 0xb3, 0x01, 0x00,
+	0x00, 0x00, 0x48, 0x4f, 0x40, 0xb1, 0x01, 0x00, 0xd2, 0x9f, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0xcb,
+	0x81, 0xc8, 0x01, 0x00, 0xf4, 0x82, 0x00, 0x40, 0xf2, 0x93, 0x00, 0x00,
+	0x40, 0x82, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x40, 0x05, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x18, 0x06, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0xf4, 0x82, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0xaf, 0x82, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x38, 0x81, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x36, 0x81, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0xb8, 0x80, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x14, 0x87, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0xaf, 0x82, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0xf5, 0x82, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x94, 0x92, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0xd7, 0x95, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x5d, 0x92, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0xc6, 0x95, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x33, 0x93, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0xd6, 0x92, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0xd0, 0x92, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x9a, 0x82, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x80, 0x40,
+	0x81, 0xb2, 0x01, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00,
+	0x04, 0x00, 0x00, 0x40, 0x81, 0xb2, 0x00, 0x00, 0x04, 0x00, 0x00, 0x40,
+	0x81, 0xb2, 0x00, 0x00,
+	},
+};
diff --git a/drivers/staging/slicoss/oasisrcvucode.h b/drivers/staging/slicoss/oasisrcvucode.h
new file mode 100644
index 00000000000..ef9163245b8
--- /dev/null
+++ b/drivers/staging/slicoss/oasisrcvucode.h
@@ -0,0 +1,205 @@
+#define OASIS_RCVUCODE_VERS_STRING	"$Revision: 1.2 $"
+#define OASIS_RCVUCODE_VERS_DATE  	"$Date: 2006/03/27 15:10:28 $"
+
+static ULONG OasisRcvUCodeLen = 512;
+
+static u8 OasisRcvUCode[2560] =
+{
+0x47, 0x75, 0x01, 0x00, 0x04, 0xa0, 0x13, 0x01, 0x00, 0x1c, 0xb7, 0x5b, 0x09,
+0x30, 0x00, 0xb6, 0x5f, 0x01, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x20, 0x18, 0x3b,
+0x78, 0x3a, 0x00, 0x1c, 0xa2, 0x77, 0x01, 0x00, 0x1c, 0x07, 0x1d, 0x01, 0x70,
+0x18, 0xad, 0x7b, 0xf1, 0xff, 0x1c, 0xb3, 0x7b, 0xa9, 0xaa, 0x1e, 0xb4, 0x7b,
+0x01, 0x0c, 0x1c, 0xb5, 0x7b, 0x0d, 0x06, 0x1c, 0x00, 0x00, 0x30, 0x64, 0x08,
+0x0c, 0x31, 0x5a, 0x70, 0x04, 0x0c, 0x31, 0x5a, 0x80, 0x04, 0x0c, 0x31, 0x4e,
+0x90, 0x04, 0x0c, 0x31, 0x4a, 0xa0, 0x00, 0x09, 0x25, 0x55, 0xc0, 0x04, 0x0c,
+0x31, 0x52, 0xb0, 0x00, 0xe9, 0x24, 0x55, 0xc0, 0x04, 0xcc, 0xb3, 0x00, 0x1c,
+0x1c, 0xeb, 0x2d, 0x01, 0x00, 0x1c, 0x06, 0x56, 0x32, 0xd4, 0x08, 0x07, 0x9d,
+0x00, 0x00, 0x1c, 0x7b, 0xb7, 0x02, 0x00, 0x10, 0xa0, 0x0f, 0x31, 0x54, 0x09,
+0x06, 0x56, 0x5e, 0xc0, 0x04, 0xa0, 0x30, 0x54, 0x03, 0x00, 0xac, 0x30, 0x55,
+0x03, 0x00, 0xcd, 0x03, 0x3a, 0x00, 0x1c, 0x7b, 0xb7, 0x02, 0x00, 0x1c, 0x60,
+0x8e, 0x31, 0x54, 0x09, 0x29, 0x25, 0x55, 0x03, 0x00, 0x80, 0x8e, 0x31, 0x54,
+0x09, 0x8c, 0x30, 0x91, 0x00, 0x04, 0x47, 0x1c, 0x01, 0x00, 0x1c, 0xa0, 0x0f,
+0x31, 0x54, 0x09, 0x00, 0x00, 0x64, 0x00, 0x04, 0x47, 0x1c, 0x65, 0xc0, 0x04,
+0x47, 0x1c, 0x55, 0x03, 0x00, 0x6c, 0x30, 0x01, 0x00, 0x1c, 0x4d, 0x34, 0x02,
+0x00, 0x1c, 0x7b, 0xb7, 0x02, 0x00, 0x1c, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0xc8,
+0x83, 0x37, 0x00, 0x1c, 0x80, 0x01, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x64, 0x00,
+0x04, 0xa0, 0x0f, 0x30, 0x54, 0x09, 0x00, 0x00, 0x54, 0xc3, 0x04, 0x7b, 0xfb,
+0xf2, 0x00, 0x1c, 0xcc, 0x33, 0x0d, 0x00, 0x1c, 0xb4, 0x7b, 0xfd, 0x03, 0x1c,
+0x80, 0x0e, 0x30, 0x54, 0x09, 0xe0, 0xfb, 0x05, 0x00, 0x1c, 0x00, 0x00, 0x8c,
+0x03, 0x00, 0xb3, 0x0f, 0x31, 0x54, 0x09, 0x00, 0x00, 0xec, 0x70, 0x04, 0x00,
+0x00, 0xec, 0x80, 0x04, 0x00, 0x00, 0x8c, 0x93, 0x00, 0x61, 0x76, 0x8d, 0xc3,
+0x04, 0xc0, 0x8d, 0x31, 0x54, 0x09, 0xe0, 0x7b, 0x00, 0xc0, 0x1f, 0xa0, 0xfd,
+0xc5, 0x01, 0x00, 0xcc, 0x33, 0x05, 0x00, 0x1c, 0xd4, 0x03, 0x00, 0x3c, 0x1c,
+0xd4, 0xd3, 0x1b, 0x00, 0x1c, 0xc0, 0xd3, 0x52, 0x00, 0x1c, 0x00, 0x00, 0x5c,
+0x13, 0x04, 0x8e, 0x8e, 0x32, 0x54, 0x09, 0x5b, 0x80, 0x5e, 0x13, 0x04, 0x00,
+0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x94, 0x01, 0x00, 0xa0, 0x0f, 0x31, 0x54,
+0x09, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0xc0, 0x03, 0xfc, 0x7f, 0x1c, 0xa0, 0x01,
+0xa0, 0x01, 0x00, 0x00, 0x00, 0xa4, 0x01, 0x00, 0xa0, 0x0f, 0x31, 0x54, 0x09,
+0xc0, 0x03, 0xfc, 0x03, 0x1c, 0xf5, 0x77, 0x01, 0x00, 0x1c, 0x26, 0x7a, 0xe6,
+0x05, 0x1c, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0xb3, 0x0f, 0x31, 0x54, 0x09, 0xb5,
+0x02, 0x02, 0x00, 0x1c, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0x7a, 0x7e, 0x02, 0x00,
+0x1c, 0xb5, 0x02, 0x02, 0x00, 0x1c, 0x53, 0x0f, 0x32, 0x54, 0x09, 0xaf, 0x03,
+0x01, 0x00, 0x1c, 0x7a, 0x0e, 0x32, 0x54, 0x09, 0xb5, 0x02, 0x02, 0x00, 0x1c,
+0x00, 0x00, 0x02, 0x00, 0x1c, 0xa0, 0x3d, 0xaa, 0x11, 0x04, 0x00, 0x00, 0xac,
+0x11, 0x04, 0xd4, 0xd3, 0x52, 0x00, 0x1c, 0xb5, 0x3e, 0xb2, 0x01, 0x00, 0x20,
+0xfb, 0xfd, 0xff, 0x1f, 0x80, 0x2c, 0x6c, 0x03, 0x00, 0xb9, 0x3a, 0x9e, 0x01,
+0x00, 0x75, 0x3b, 0x02, 0x00, 0x1c, 0xa7, 0x1c, 0x01, 0x00, 0x10, 0xdb, 0x83,
+0x16, 0x00, 0x1c, 0xc7, 0x1d, 0x21, 0xc1, 0x04, 0xb9, 0x3b, 0x8d, 0xc1, 0x04,
+0x8b, 0x2c, 0x01, 0x00, 0x1c, 0x6b, 0x2c, 0x35, 0xc1, 0x04, 0x00, 0x00, 0x78,
+0x11, 0x00, 0xcb, 0x2c, 0x79, 0xc1, 0x04, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0xa0,
+0x0f, 0x31, 0x54, 0x09, 0x54, 0xd0, 0x02, 0x00, 0x1c, 0x49, 0x25, 0xb1, 0x01,
+0x00, 0xab, 0x2c, 0x81, 0xc1, 0x04, 0xa7, 0x1d, 0x55, 0x03, 0x00, 0xcc, 0x33,
+0x09, 0x00, 0x1c, 0xeb, 0x2d, 0x01, 0x00, 0x1c, 0xea, 0x29, 0x01, 0x00, 0x1c,
+0xa0, 0x0f, 0x31, 0x54, 0x09, 0xae, 0x0f, 0x31, 0x54, 0x09, 0xa0, 0x0f, 0x31,
+0x54, 0x09, 0xd4, 0x07, 0xfc, 0x03, 0x1c, 0x99, 0x3a, 0x02, 0x00, 0x1c, 0xbb,
+0x38, 0x02, 0x00, 0x1c, 0x00, 0x38, 0x00, 0x00, 0x1c, 0x00, 0x00, 0xfc, 0x01,
+0x04, 0xdb, 0x3b, 0x7e, 0x00, 0x1c, 0xc7, 0x1d, 0x01, 0x00, 0x1c, 0x26, 0x7a,
+0xfa, 0x05, 0x1c, 0x27, 0x1d, 0x01, 0x00, 0x1c, 0xb3, 0x0f, 0x31, 0x54, 0x09,
+0x7a, 0x0e, 0x32, 0x54, 0x09, 0x53, 0x0f, 0x32, 0x54, 0x09, 0x7a, 0x0e, 0x32,
+0x54, 0x09, 0x53, 0x0f, 0x32, 0x54, 0x09, 0x7a, 0x0e, 0x32, 0x54, 0x09, 0x53,
+0x0f, 0x32, 0x54, 0x09, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0x7a, 0x06, 0x02, 0x00,
+0x1c, 0x53, 0x0f, 0x32, 0x54, 0x09, 0xaf, 0x03, 0x01, 0x00, 0x1c, 0x7a, 0x0e,
+0x32, 0x54, 0x09, 0x53, 0x0f, 0x32, 0x54, 0x09, 0x7a, 0x0e, 0x32, 0x54, 0x09,
+0x53, 0x0f, 0x32, 0x54, 0x09, 0x7a, 0x0e, 0x32, 0x54, 0x09, 0x53, 0x0f, 0x32,
+0x54, 0x09, 0x7a, 0x0e, 0x32, 0x54, 0x09, 0x00, 0x3d, 0x02, 0x00, 0x1c, 0x00,
+0x00, 0x58, 0x12, 0x00, 0xcb, 0x2c, 0x01, 0x00, 0x1c, 0x75, 0x3b, 0x02, 0x00,
+0x1c, 0xa7, 0x1c, 0x01, 0x00, 0x10, 0xcb, 0x2f, 0x05, 0x00, 0x1c, 0x60, 0x2c,
+0x00, 0x00, 0x1c, 0xc7, 0x1c, 0xc9, 0x02, 0x00, 0xa0, 0x0f, 0x31, 0x54, 0x09,
+0x53, 0x07, 0x02, 0x00, 0x1c, 0x46, 0x7a, 0xca, 0x05, 0x1c, 0x7a, 0x0e, 0x32,
+0x54, 0x09, 0x40, 0xfa, 0x19, 0x00, 0x1c, 0x00, 0x00, 0x88, 0x02, 0x04, 0x46,
+0x7a, 0xca, 0x05, 0x1c, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0xa0, 0x0f, 0x31, 0x54,
+0x09, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0xa0, 0x0f, 0x31, 0x54, 0x09, 0xb3, 0x7b,
+0x01, 0xc0, 0x1f, 0x74, 0x0e, 0x30, 0x54, 0x09, 0xc0, 0x03, 0x9c, 0x00, 0x1c,
+0x80, 0x00, 0xd8, 0x02, 0x00, 0x00, 0x00, 0xd8, 0x02, 0x04, 0x00, 0x00, 0xac,
+0x12, 0x05, 0x07, 0x1d, 0x01, 0x00, 0x1c, 0xd4, 0xd3, 0x2b, 0x00, 0x1c, 0xd4,
+0xd3, 0x52, 0x00, 0x1c, 0x80, 0x76, 0x7d, 0x13, 0x04, 0x00, 0x00, 0xe0, 0x02,
+0x00, 0xa6, 0x7b, 0x95, 0x03, 0x10, 0xc7, 0x9c, 0x00, 0x00, 0x1c, 0x80, 0x2c,
+0x00, 0x00, 0x1c, 0x00, 0x00, 0x6c, 0x02, 0x04, 0x00, 0x00, 0x54, 0xc3, 0x04,
+0xab, 0x2d, 0xd9, 0x12, 0x05, 0x07, 0x1d, 0xb5, 0xc2, 0x04, 0x8b, 0x2d, 0x01,
+0x00, 0x1c, 0x69, 0x25, 0x01, 0x00, 0x1c, 0xa6, 0x7b, 0x95, 0x03, 0x10, 0xcb,
+0x2f, 0x09, 0x00, 0x1c, 0x60, 0x2c, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x48, 0x03,
+0x00, 0x53, 0x0f, 0x32, 0x54, 0x09, 0x46, 0x7a, 0xca, 0x05, 0x1c, 0x7a, 0x0e,
+0x32, 0x54, 0x09, 0x40, 0xfa, 0x19, 0x00, 0x1c, 0x00, 0x00, 0x10, 0x03, 0x04,
+0x46, 0x7a, 0xca, 0x05, 0x1c, 0xb5, 0x0f, 0x31, 0x54, 0x09, 0xa0, 0x0f, 0x31,
+0x54, 0x09, 0x73, 0xec, 0x2a, 0x03, 0x04, 0x60, 0x2c, 0x00, 0x00, 0x1c, 0x00,
+0x00, 0x28, 0x03, 0x00, 0xc7, 0x1c, 0x01, 0x00, 0x1c, 0x00, 0x00, 0x28, 0x13,
+0x05, 0x07, 0x1d, 0x01, 0x00, 0x1c, 0xc0, 0xd7, 0x22, 0x00, 0x1c, 0x75, 0x56,
+0x7e, 0x13, 0x04, 0x60, 0x2c, 0x00, 0x00, 0x1c, 0xe7, 0x1c, 0x45, 0x03, 0x04,
+0xe7, 0x9c, 0x00, 0x00, 0x1c, 0xa6, 0x7b, 0x95, 0x03, 0x10, 0x80, 0x2c, 0x00,
+0x00, 0x1c, 0x00, 0x00, 0xf8, 0x02, 0x04, 0x00, 0x00, 0x54, 0xc3, 0x04, 0xb9,
+0x7b, 0x01, 0x00, 0x1c, 0x00, 0x00, 0x8c, 0xc3, 0x04, 0xcb, 0xaf, 0xfc, 0x07,
+0x1c, 0xcb, 0x2f, 0x01, 0x04, 0x1c, 0xc7, 0x9f, 0x80, 0x03, 0x1c, 0x00, 0x00,
+0x8c, 0xc3, 0x04, 0xcb, 0xaf, 0xfc, 0x07, 0x1c, 0xcb, 0x2f, 0x0d, 0x04, 0x1c,
+0xc7, 0x9f, 0x80, 0x03, 0x1c, 0x00, 0x00, 0x8c, 0xc3, 0x04, 0xcb, 0xaf, 0x00,
+0xf8, 0x1d, 0xcb, 0x2f, 0x01, 0x00, 0x1d, 0xa6, 0x7b, 0x95, 0x03, 0x1c, 0xc7,
+0x9c, 0x8c, 0xc3, 0x04, 0x00, 0x00, 0x8c, 0x13, 0x05, 0x07, 0x1d, 0x01, 0x00,
+0x1c, 0xc0, 0x1d, 0xdc, 0xd3, 0x08, 0x27, 0x9d, 0xe4, 0x03, 0x00, 0xa0, 0xee,
+0x46, 0xd4, 0x00, 0xfb, 0x75, 0x09, 0x14, 0x04, 0x20, 0x7b, 0x06, 0x00, 0x1c,
+0xc0, 0x1c, 0x1c, 0x04, 0x00, 0x00, 0x00, 0xb0, 0xd3, 0x08, 0x00, 0x00, 0x00,
+0xf4, 0x00, 0xc0, 0xef, 0xf2, 0x00, 0x1c, 0x20, 0x25, 0x5c, 0x14, 0x04, 0x60,
+0xb7, 0xd2, 0x03, 0x00, 0x00, 0x00, 0x0c, 0x15, 0x00, 0xcc, 0xb3, 0xfc, 0x03,
+0x1c, 0xcc, 0x33, 0x05, 0x02, 0x1c, 0x00, 0x00, 0x0c, 0xc5, 0x04, 0x60, 0xb7,
+0x0e, 0x05, 0x04, 0x00, 0x00, 0x0c, 0x15, 0x04, 0x00, 0x00, 0x5c, 0xc4, 0x04,
+0xc0, 0x1d, 0x98, 0xf3, 0x04, 0x00, 0x00, 0x68, 0xc4, 0x04, 0x07, 0x9d, 0x00,
+0x00, 0x1c, 0x1b, 0x74, 0xfd, 0xf3, 0x04, 0xa6, 0x7b, 0xf1, 0x03, 0x1c, 0xa0,
+0x0f, 0x69, 0x54, 0x09, 0xe0, 0x7b, 0x00, 0xfc, 0x1f, 0x39, 0x7f, 0x02, 0x00,
+0x1c, 0x07, 0x1d, 0x9d, 0xc3, 0x04, 0xa6, 0x7b, 0xad, 0x03, 0x1c, 0x00, 0x00,
+0x68, 0xc4, 0x04, 0xe0, 0x1c, 0x00, 0x00, 0x1c, 0x00, 0x00, 0xa4, 0x03, 0x04,
+0xcb, 0xaf, 0x00, 0xf8, 0x1d, 0xcb, 0x2f, 0x01, 0x10, 0x1d, 0x00, 0x00, 0xac,
+0xc3, 0x04, 0x00, 0x00, 0xac, 0x03, 0x04, 0xcb, 0xaf, 0x00, 0xf8, 0x1d, 0xcb,
+0x2f, 0x01, 0x18, 0x1d, 0xc7, 0x9f, 0x00, 0x0b, 0x1c, 0x00, 0x00, 0xac, 0xc3,
+0x04, 0xfb, 0x75, 0x01, 0x00, 0x1c, 0x07, 0x1d, 0x01, 0x00, 0x1c, 0xcc, 0xb3,
+0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x01, 0x02, 0x1c, 0x00, 0x00, 0xac, 0xc3, 0x04,
+0xa0, 0x1c, 0x00, 0x00, 0x1c, 0xa0, 0xee, 0xa2, 0x03, 0x04, 0xcb, 0xaf, 0xfc,
+0x07, 0x1c, 0xcb, 0x2f, 0x09, 0x04, 0x1c, 0xfb, 0x75, 0x01, 0x00, 0x1c, 0x00,
+0x00, 0xac, 0xc3, 0x04, 0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x01, 0x02,
+0x1c, 0x00, 0x00, 0x0c, 0xc5, 0x04, 0x00, 0x00, 0x78, 0x34, 0x05, 0xcc, 0xb3,
+0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x15, 0x02, 0x1c, 0x47, 0x9d, 0x54, 0xc4, 0x04,
+0x00, 0x00, 0x78, 0x44, 0x00, 0x80, 0x1d, 0x7c, 0x54, 0x04, 0x87, 0x1d, 0x8d,
+0x04, 0x00, 0xce, 0x76, 0x01, 0x00, 0x1c, 0xef, 0x76, 0x9d, 0xc4, 0x04, 0xa4,
+0x77, 0x8d, 0x24, 0x09, 0xe4, 0x76, 0x01, 0x00, 0x1c, 0xc4, 0x76, 0x01, 0x00,
+0x1c, 0x00, 0x00, 0x98, 0x54, 0x04, 0xd7, 0x76, 0x01, 0x50, 0x18, 0xf6, 0x76,
+0x01, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x10,
+0xcc, 0x30, 0x45, 0xc5, 0x04, 0xeb, 0x2d, 0x01, 0x00, 0x1c, 0xea, 0x29, 0x01,
+0x00, 0x1c, 0xc0, 0x59, 0x01, 0x00, 0x1c, 0xf5, 0x77, 0x29, 0xc5, 0x04, 0xe0,
+0x30, 0xdc, 0x04, 0x00, 0x00, 0x4c, 0xb0, 0x04, 0x00, 0x20, 0x4c, 0xf4, 0x04,
+0x00, 0x00, 0x00, 0xe8, 0x04, 0x00, 0xcc, 0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33,
+0x09, 0x02, 0x1c, 0xeb, 0x2d, 0xb5, 0xc4, 0x04, 0xcc, 0xb3, 0xfc, 0x03, 0x1c,
+0xcc, 0x33, 0x19, 0x02, 0x1c, 0xeb, 0x2d, 0xb5, 0xc4, 0x04, 0xcc, 0xb3, 0xfc,
+0x03, 0x1c, 0xcc, 0x33, 0x0d, 0x02, 0x1c, 0xeb, 0x2d, 0xb5, 0xc4, 0x04, 0xcc,
+0xb3, 0xfc, 0x03, 0x1c, 0xcc, 0x33, 0x11, 0x02, 0x1c, 0xeb, 0x2d, 0xb5, 0xc4,
+0x04, 0x00, 0x7b, 0x00, 0x80, 0x1c, 0xae, 0x77, 0x45, 0x05, 0x00, 0x00, 0x00,
+0x04, 0xc0, 0x04, 0xd3, 0x8b, 0x00, 0xfc, 0x1f, 0x60, 0x7a, 0x3c, 0x00, 0x1c,
+0x60, 0x4c, 0xc0, 0x04, 0x00, 0xc0, 0x2f, 0x20, 0x05, 0x1f, 0xe0, 0x30, 0xb0,
+0x04, 0x00, 0x80, 0x25, 0xb0, 0x04, 0x00, 0xb5, 0x5b, 0xb1, 0x04, 0x04, 0x69,
+0x26, 0x01, 0x00, 0x1c, 0x6a, 0x2b, 0x01, 0x00, 0x1c, 0x80, 0x1d, 0x00, 0x00,
+0x1c, 0xa9, 0x25, 0x45, 0x05, 0x00, 0xee, 0x30, 0x00, 0x00, 0x1c, 0xaf, 0x77,
+0x01, 0x05, 0x00, 0x00, 0x00, 0xac, 0x24, 0x04, 0xb4, 0x5f, 0x01, 0x40, 0x18,
+0x07, 0x9d, 0x48, 0x55, 0x04, 0xb7, 0x76, 0x01, 0x00, 0x1c, 0x96, 0x76, 0x01,
+0x00, 0x1c, 0x47, 0x1d, 0x01, 0x00, 0x1c, 0xa4, 0x33, 0x01, 0x60, 0x18, 0xa4,
+0x2f, 0x01, 0x60, 0x18, 0x64, 0x77, 0x01, 0x60, 0x18, 0x24, 0x77, 0x01, 0x60,
+0x18, 0x44, 0x77, 0x01, 0x00, 0x1c, 0x64, 0x88, 0x03, 0x00, 0x1c, 0xa4, 0x3f,
+0x01, 0x00, 0x1c, 0xa4, 0x3b, 0x01, 0x00, 0x1c, 0x53, 0x7b, 0x00, 0xc0, 0x1c,
+0xd3, 0xcf, 0x1b, 0x00, 0x1c, 0x53, 0x4f, 0x02, 0x00, 0x1c, 0xda, 0xcf, 0x00,
+0xc0, 0x1f, 0xd5, 0x57, 0x0f, 0x00, 0x1c, 0xd3, 0xd3, 0x37, 0x00, 0x1c, 0xd4,
+0x53, 0x0f, 0x00, 0x1c, 0xe0, 0x29, 0x00, 0x00, 0x1c, 0xf5, 0xd5, 0xb0, 0x05,
+0x00, 0x00, 0x00, 0x9c, 0x55, 0x04, 0x77, 0x56, 0x01, 0x00, 0x1c, 0x56, 0x53,
+0x01, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x10, 0x18, 0x00, 0x00, 0x04, 0xc0, 0x04,
+0xf5, 0x55, 0x01, 0x00, 0x1c, 0x00, 0x00, 0xb4, 0x55, 0x04, 0x77, 0x56, 0x01,
+0x00, 0x1c, 0x56, 0x53, 0x01, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x10, 0x18, 0x00,
+0x00, 0x04, 0xc0, 0x04, 0xcb, 0x2f, 0x01, 0x18, 0x10, 0xcb, 0x2f, 0x01, 0x10,
+0x10, 0xcb, 0x2f, 0x01, 0x08, 0x10, 0xcb, 0x2f, 0x01, 0x08, 0x10, 0xcb, 0x2f,
+0x01, 0x20, 0x10, 0xcb, 0x2f, 0x01, 0x28, 0x10, 0xcb, 0x2f, 0x01, 0x00, 0x10,
+0x89, 0x25, 0x61, 0xc2, 0x04, 0x00, 0x00, 0xec, 0xc2, 0x04, 0x00, 0x00, 0x54,
+0xc3, 0x04, 0x00, 0x00, 0x54, 0xc3, 0x04, 0x00, 0x00, 0x54, 0xc3, 0x04, 0x00,
+0x00, 0x60, 0xc2, 0x04, 0x00, 0x00, 0xec, 0xc2, 0x04, 0x00, 0x00, 0x54, 0xc3,
+0x04, 0x00, 0x00, 0x54, 0xc3, 0x04, 0x00, 0x00, 0x54, 0xc3, 0x04, 0x40, 0x1c,
+0x6c, 0xc0, 0x04, 0x40, 0x1c, 0x9c, 0xc0, 0x04, 0xa7, 0x77, 0x55, 0xc3, 0x04,
+0x00, 0x00, 0xc4, 0xc0, 0x04, 0x27, 0x1d, 0xf1, 0xc0, 0x04, 0x00, 0x00, 0x54,
+0xc3, 0x04, 0x00, 0x00, 0x54, 0xc3, 0x04, 0x00, 0x00, 0x54, 0xc3, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00,
+0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6,
+0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00,
+0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c,
+0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04, 0x00, 0x00, 0x2c, 0xc6, 0x04,
+};
diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
new file mode 100644
index 00000000000..9707e5a7023
--- /dev/null
+++ b/drivers/staging/slicoss/slic.h
@@ -0,0 +1,603 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: slic.h,v 1.3 2006/07/14 16:43:02 mook Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: slic.h
+ *
+ * This is the base set of header definitions for the SLICOSS driver.
+ */
+#ifndef __SLIC_DRIVER_H__
+#define __SLIC_DRIVER_H__
+
+
+struct slic_spinlock {
+	spinlock_t	lock;
+	unsigned long	flags;
+};
+
+#define SLIC_RSPQ_PAGES_GB        10
+#define SLIC_RSPQ_BUFSINPAGE      (PAGE_SIZE / SLIC_RSPBUF_SIZE)
+
+typedef struct _slic_rspqueue_t {
+    ulong32             offset;
+    ulong32             pageindex;
+    ulong32             num_pages;
+    p_slic_rspbuf_t     rspbuf;
+    pulong32            vaddr[SLIC_RSPQ_PAGES_GB];
+    dma_addr_t          paddr[SLIC_RSPQ_PAGES_GB];
+}    slic_rspqueue_t, *p_slic_rspqueue_t;
+
+#define SLIC_RCVQ_EXPANSION         1
+#define SLIC_RCVQ_ENTRIES           (256 * SLIC_RCVQ_EXPANSION)
+#define SLIC_RCVQ_MINENTRIES        (SLIC_RCVQ_ENTRIES / 2)
+#define SLIC_RCVQ_MAX_PROCESS_ISR   ((SLIC_RCVQ_ENTRIES * 4))
+#define SLIC_RCVQ_RCVBUFSIZE        2048
+#define SLIC_RCVQ_FILLENTRIES       (16 * SLIC_RCVQ_EXPANSION)
+#define SLIC_RCVQ_FILLTHRESH        (SLIC_RCVQ_ENTRIES - SLIC_RCVQ_FILLENTRIES)
+
+typedef struct _slic_rcvqueue_t {
+    struct sk_buff    *head;
+    struct sk_buff    *tail;
+    ulong32            count;
+    ulong32            size;
+    ulong32            errors;
+} slic_rcvqueue_t, *p_slic_rcvqueue_t;
+
+typedef struct _slic_rcvbuf_info_t {
+    ulong32     id;
+    ulong32     starttime;
+    ulong32     stoptime;
+    ulong32     slicworld;
+    ulong32     lasttime;
+    ulong32     lastid;
+}  slic_rcvbuf_info_t, *pslic_rcvbuf_info_t;
+/*
+ SLIC Handle structure.  Used to restrict handle values to
+ 32 bits by using an index rather than an address.
+ Simplifies ucode in 64-bit systems
+*/
+typedef struct _slic_handle_word_t {
+	union {
+		struct {
+			ushort      index;
+			ushort      bottombits; /* to denote num bufs to card */
+		}  parts;
+		ulong32         whole;
+	}  handle;
+}  slic_handle_word_t, *pslic_handle_word_t;
+
+typedef struct _slic_handle_t {
+    slic_handle_word_t          token;   /* token passed between host and card*/
+    ushort                      type;
+    pvoid                       address;    /* actual address of the object*/
+    ushort                      offset;
+    struct _slic_handle_t       *other_handle;
+    struct _slic_handle_t       *next;
+} slic_handle_t, *pslic_handle_t;
+
+#define SLIC_HANDLE_FREE        0x0000
+#define SLIC_HANDLE_DATA        0x0001
+#define SLIC_HANDLE_CMD         0x0002
+#define SLIC_HANDLE_CONTEXT     0x0003
+#define SLIC_HANDLE_TEAM        0x0004
+
+#define handle_index        handle.parts.index
+#define handle_bottom       handle.parts.bottombits
+#define handle_token        handle.whole
+
+#define SLIC_HOSTCMD_SIZE    512
+
+typedef struct _slic_hostcmd_t {
+    slic_host64_cmd_t          cmd64;
+    ulong32                    type;
+    struct sk_buff            *skb;
+    ulong32                    paddrl;
+    ulong32                    paddrh;
+    ulong32                    busy;
+    ulong32                    cmdsize;
+    ushort                     numbufs;
+    pslic_handle_t             pslic_handle;/* handle associated with command */
+    struct _slic_hostcmd_t    *next;
+    struct _slic_hostcmd_t    *next_all;
+} slic_hostcmd_t, *p_slic_hostcmd_t;
+
+#define SLIC_CMDQ_CMDSINPAGE    (PAGE_SIZE / SLIC_HOSTCMD_SIZE)
+#define SLIC_CMD_DUMB            3
+#define SLIC_CMDQ_INITCMDS       256
+#define SLIC_CMDQ_MAXCMDS        256
+#define SLIC_CMDQ_MAXOUTSTAND    SLIC_CMDQ_MAXCMDS
+#define SLIC_CMDQ_MAXPAGES       (SLIC_CMDQ_MAXCMDS / SLIC_CMDQ_CMDSINPAGE)
+#define SLIC_CMDQ_INITPAGES      (SLIC_CMDQ_INITCMDS / SLIC_CMDQ_CMDSINPAGE)
+
+typedef struct _slic_cmdqmem_t {
+    int               pagecnt;
+    pulong32          pages[SLIC_CMDQ_MAXPAGES];
+    dma_addr_t        dma_pages[SLIC_CMDQ_MAXPAGES];
+}          slic_cmdqmem_t, *p_slic_cmdqmem_t;
+
+typedef struct _slic_cmdqueue_t {
+    p_slic_hostcmd_t   head;
+    p_slic_hostcmd_t   tail;
+    int                count;
+    struct slic_spinlock	lock;
+}    slic_cmdqueue_t, *p_slic_cmdqueue_t;
+
+#ifdef STATUS_SUCCESS
+#undef STATUS_SUCCESS
+#endif
+
+#define STATUS_SUCCESS              0
+#define STATUS_PENDING              0
+#define STATUS_FAILURE             -1
+#define STATUS_ERROR               -2
+#define STATUS_NOT_SUPPORTED       -3
+#define STATUS_BUFFER_TOO_SHORT    -4
+
+#define SLIC_MAX_CARDS              32
+#define SLIC_MAX_PORTS              4        /* Max # of ports per card   */
+#if SLIC_DUMP_ENABLED
+/*
+Dump buffer size
+
+This cannot be bigger than the max DMA size the card supports,
+given the current code structure in the host and ucode.
+Mojave supports 16K, Oasis supports 16K-1, so
+just set this at 15K, shouldnt make that much of a diff.
+*/
+#define DUMP_BUF_SIZE               0x3C00
+#endif
+
+
+typedef struct _mcast_address_t {
+    uchar                     address[6];
+    struct _mcast_address_t   *next;
+}  mcast_address_t, *p_mcast_address_t;
+
+#define CARD_DOWN        0x00000000
+#define CARD_UP          0x00000001
+#define CARD_FAIL        0x00000002
+#define CARD_DIAG        0x00000003
+#define CARD_SLEEP       0x00000004
+
+#define ADAPT_DOWN             0x00
+#define ADAPT_UP               0x01
+#define ADAPT_FAIL             0x02
+#define ADAPT_RESET            0x03
+#define ADAPT_SLEEP            0x04
+
+#define ADAPT_FLAGS_BOOTTIME            0x0001
+#define ADAPT_FLAGS_IS64BIT             0x0002
+#define ADAPT_FLAGS_PENDINGLINKDOWN     0x0004
+#define ADAPT_FLAGS_FIBERMEDIA          0x0008
+#define ADAPT_FLAGS_LOCKS_ALLOCED       0x0010
+#define ADAPT_FLAGS_INT_REGISTERED      0x0020
+#define ADAPT_FLAGS_LOAD_TIMER_SET      0x0040
+#define ADAPT_FLAGS_STATS_TIMER_SET     0x0080
+#define ADAPT_FLAGS_RESET_TIMER_SET     0x0100
+
+#define LINK_DOWN              0x00
+#define LINK_CONFIG            0x01
+#define LINK_UP                0x02
+
+#define LINK_10MB              0x00
+#define LINK_100MB             0x01
+#define LINK_AUTOSPEED         0x02
+#define LINK_1000MB            0x03
+#define LINK_10000MB           0x04
+
+#define LINK_HALFD             0x00
+#define LINK_FULLD             0x01
+#define LINK_AUTOD             0x02
+
+#define MAC_DIRECTED     0x00000001
+#define MAC_BCAST        0x00000002
+#define MAC_MCAST        0x00000004
+#define MAC_PROMISC      0x00000008
+#define MAC_LOOPBACK     0x00000010
+#define MAC_ALLMCAST     0x00000020
+
+#define SLIC_DUPLEX(x)    ((x == LINK_FULLD) ? "FDX" : "HDX")
+#define SLIC_SPEED(x)     ((x == LINK_100MB) ? "100Mb" : ((x == LINK_1000MB) ?\
+				"1000Mb" : " 10Mb"))
+#define SLIC_LINKSTATE(x) ((x == LINK_DOWN) ? "Down" : "Up  ")
+#define SLIC_ADAPTER_STATE(x) ((x == ADAPT_UP) ? "UP" : "Down")
+#define SLIC_CARD_STATE(x)    ((x == CARD_UP) ? "UP" : "Down")
+
+typedef struct _slic_iface_stats {
+    /*
+     * Stats
+     */
+    ulong64        xmt_bytes;
+    ulong64        xmt_ucast;
+    ulong64        xmt_mcast;
+    ulong64        xmt_bcast;
+    ulong64        xmt_errors;
+    ulong64        xmt_discards;
+    ulong64        xmit_collisions;
+    ulong64        xmit_excess_xmit_collisions;
+    ulong64        rcv_bytes;
+    ulong64        rcv_ucast;
+    ulong64        rcv_mcast;
+    ulong64        rcv_bcast;
+    ulong64        rcv_errors;
+    ulong64        rcv_discards;
+} slic_iface_stats_t, *p_slic_iface_stats_t;
+
+typedef struct _slic_tcp_stats {
+    ulong64        xmit_tcp_segs;
+    ulong64        xmit_tcp_bytes;
+    ulong64        rcv_tcp_segs;
+    ulong64        rcv_tcp_bytes;
+} slic_tcp_stats_t, *p_slic_tcp_stats_t;
+
+typedef struct _slicnet_stats {
+    slic_tcp_stats_t        tcp;
+    slic_iface_stats_t      iface;
+
+} slicnet_stats_t, *p_slicnet_stats_t;
+
+#define SLIC_LOADTIMER_PERIOD     1
+#define SLIC_INTAGG_DEFAULT       200
+#define SLIC_LOAD_0               0
+#define SLIC_INTAGG_0             0
+#define SLIC_LOAD_1               8000
+#define SLIC_LOAD_2               10000
+#define SLIC_LOAD_3               12000
+#define SLIC_LOAD_4               14000
+#define SLIC_LOAD_5               16000
+#define SLIC_INTAGG_1             50
+#define SLIC_INTAGG_2             100
+#define SLIC_INTAGG_3             150
+#define SLIC_INTAGG_4             200
+#define SLIC_INTAGG_5             250
+#define SLIC_LOAD_1GB             3000
+#define SLIC_LOAD_2GB             6000
+#define SLIC_LOAD_3GB             12000
+#define SLIC_LOAD_4GB             24000
+#define SLIC_LOAD_5GB             48000
+#define SLIC_INTAGG_1GB           50
+#define SLIC_INTAGG_2GB           75
+#define SLIC_INTAGG_3GB           100
+#define SLIC_INTAGG_4GB           100
+#define SLIC_INTAGG_5GB           100
+
+typedef struct _ether_header {
+    uchar    ether_dhost[6];
+    uchar    ether_shost[6];
+    ushort   ether_type;
+} ether_header, *p_ether_header;
+
+typedef struct _sliccard_t {
+    uint              busnumber;
+    uint              slotnumber;
+    uint              state;
+    uint              cardnum;
+    uint              card_size;
+    uint              adapters_activated;
+    uint              adapters_allocated;
+    uint              adapters_sleeping;
+    uint              gennumber;
+    ulong32           events;
+    ulong32           loadlevel_current;
+    ulong32           load;
+    uint              reset_in_progress;
+    ulong32           pingstatus;
+    ulong32           bad_pingstatus;
+    struct timer_list loadtimer;
+    ulong32           loadtimerset;
+    uint              config_set;
+    slic_config_t     config;
+    struct dentry      *debugfs_dir;
+    struct dentry      *debugfs_cardinfo;
+    struct _adapter_t  *master;
+    struct _adapter_t  *adapter[SLIC_MAX_PORTS];
+    struct _sliccard_t *next;
+    ulong32             error_interrupts;
+    ulong32             error_rmiss_interrupts;
+    ulong32             rcv_interrupts;
+    ulong32             xmit_interrupts;
+    ulong32             num_isrs;
+    ulong32             false_interrupts;
+    ulong32             max_isr_rcvs;
+    ulong32             max_isr_xmits;
+    ulong32             rcv_interrupt_yields;
+    ulong32             tx_packets;
+#if SLIC_DUMP_ENABLED
+    ulong32             dumpstatus;           /* Result of dump UPR */
+    pvoid               cmdbuffer;
+
+    ulong               cmdbuffer_phys;
+    ulong32             cmdbuffer_physl;
+    ulong32             cmdbuffer_physh;
+
+    ulong32             dump_count;
+    struct task_struct *dump_task_id;
+    ulong32             dump_wait_count;
+    uint                dumpthread_running; /* has a dump thread been init'd  */
+    uint                dump_requested;     /* 0 no, 1 = reqstd 2=curr 3=done */
+    ulong32             dumptime_start;
+    ulong32             dumptime_complete;
+    ulong32             dumptime_delta;
+    pvoid               dumpbuffer;
+    ulong               dumpbuffer_phys;
+    ulong32             dumpbuffer_physl;
+    ulong32             dumpbuffer_physh;
+    wait_queue_head_t   dump_wq;
+    struct file        *dumphandle;
+    mm_segment_t        dumpfile_fs;
+#endif
+    ulong32             debug_ix;
+    ushort              reg_type[32];
+    ushort              reg_offset[32];
+    ulong32             reg_value[32];
+    ulong32             reg_valueh[32];
+} sliccard_t, *p_sliccard_t;
+
+#define NUM_CFG_SPACES      2
+#define NUM_CFG_REGS        64
+#define NUM_CFG_REG_ULONGS  (NUM_CFG_REGS / sizeof(ulong32))
+
+typedef struct _physcard_t {
+    struct _adapter_t  *adapter[SLIC_MAX_PORTS];
+    struct _physcard_t *next;
+    uint                adapters_allocd;
+
+ /*  the following is not currently needed
+    ulong32               bridge_busnum;
+    ulong32               bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS];
+ */
+} physcard_t, *p_physcard_t;
+
+typedef struct _base_driver {
+    struct slic_spinlock driver_lock;
+    ulong32              num_slic_cards;
+    ulong32              num_slic_ports;
+    ulong32              num_slic_ports_active;
+    ulong32              dynamic_intagg;
+    p_sliccard_t         slic_card;
+    p_physcard_t         phys_card;
+    uint                 cardnuminuse[SLIC_MAX_CARDS];
+} base_driver_t, *p_base_driver_t;
+
+extern base_driver_t   slic_global;
+
+typedef struct _slic_shmem_t {
+    volatile ulong32          isr;
+    volatile ulong32          linkstatus;
+    volatile slic_stats_t     inicstats;
+} slic_shmem_t, *p_slic_shmem_t;
+
+typedef struct _slic_reg_params_t {
+    ulong32       linkspeed;
+    ulong32       linkduplex;
+    ulong32       fail_on_bad_eeprom;
+} slic_reg_params_t, *p_reg_params_t;
+
+typedef struct _slic_upr_t {
+    uint                  adapter;
+    ulong32               upr_request;
+    ulong32               upr_data;
+    ulong32               upr_data_h;
+    ulong32               upr_buffer;
+    ulong32               upr_buffer_h;
+    struct _slic_upr_t *next;
+
+} slic_upr_t, *p_slic_upr_t;
+
+typedef struct _slic_ifevents_ti {
+    uint        oflow802;
+    uint        uflow802;
+    uint        Tprtoflow;
+    uint        rcvearly;
+    uint        Bufov;
+    uint        Carre;
+    uint        Longe;
+    uint        Invp;
+    uint        Crc;
+    uint        Drbl;
+    uint        Code;
+    uint        IpHlen;
+    uint        IpLen;
+    uint        IpCsum;
+    uint        TpCsum;
+    uint        TpHlen;
+} slic_ifevents_t;
+
+typedef struct _adapter_t {
+    pvoid               ifp;
+    p_sliccard_t        card;
+    uint                port;
+    p_physcard_t        physcard;
+    uint                physport;
+    uint                cardindex;
+    uint                card_size;
+    uint                chipid;
+    struct net_device        *netdev;
+    struct net_device        *next_netdevice;
+    struct slic_spinlock     adapter_lock;
+    struct slic_spinlock     reset_lock;
+    struct pci_dev     *pcidev;
+    uint                busnumber;
+    uint                slotnumber;
+    uint                functionnumber;
+    ushort              vendid;
+    ushort              devid;
+    ushort              subsysid;
+    ulong32             irq;
+    void __iomem *memorybase;
+    ulong32             memorylength;
+    ulong32             drambase;
+    ulong32             dramlength;
+    uint                queues_initialized;
+    uint                allocated;
+    uint                activated;
+    ulong32             intrregistered;
+    uint                isp_initialized;
+    uint                gennumber;
+    ulong32             curaddrupper;
+    p_slic_shmem_t      pshmem;
+    dma_addr_t          phys_shmem;
+    ulong32             isrcopy;
+    p_slic_regs_t       slic_regs;
+    uchar               state;
+    uchar               linkstate;
+    uchar               linkspeed;
+    uchar               linkduplex;
+    uint                flags;
+    uchar               macaddr[6];
+    uchar               currmacaddr[6];
+    ulong32             macopts;
+    ushort              devflags_prev;
+    ulong64             mcastmask;
+    p_mcast_address_t   mcastaddrs;
+    p_slic_upr_t        upr_list;
+    uint                upr_busy;
+    struct timer_list   pingtimer;
+    ulong32             pingtimerset;
+    struct timer_list   statstimer;
+    ulong32             statstimerset;
+    struct timer_list   loadtimer;
+    ulong32             loadtimerset;
+    struct dentry      *debugfs_entry;
+    struct slic_spinlock     upr_lock;
+    struct slic_spinlock     bit64reglock;
+    slic_rspqueue_t     rspqueue;
+    slic_rcvqueue_t     rcvqueue;
+    slic_cmdqueue_t     cmdq_free;
+    slic_cmdqueue_t     cmdq_done;
+    slic_cmdqueue_t     cmdq_all;
+    slic_cmdqmem_t      cmdqmem;
+    /*
+     *  SLIC Handles
+    */
+    slic_handle_t       slic_handles[SLIC_CMDQ_MAXCMDS+1]; /* Object handles*/
+    pslic_handle_t      pfree_slic_handles;             /* Free object handles*/
+    struct slic_spinlock     handle_lock;           /* Object handle list lock*/
+    ushort              slic_handle_ix;
+
+    ulong32             xmitq_full;
+    ulong32             all_reg_writes;
+    ulong32             icr_reg_writes;
+    ulong32             isr_reg_writes;
+    ulong32             error_interrupts;
+    ulong32             error_rmiss_interrupts;
+    ulong32             rx_errors;
+    ulong32             rcv_drops;
+    ulong32             rcv_interrupts;
+    ulong32             xmit_interrupts;
+    ulong32             linkevent_interrupts;
+    ulong32             upr_interrupts;
+    ulong32             num_isrs;
+    ulong32             false_interrupts;
+    ulong32             tx_packets;
+    ulong32             xmit_completes;
+    ulong32             tx_drops;
+    ulong32             rcv_broadcasts;
+    ulong32             rcv_multicasts;
+    ulong32             rcv_unicasts;
+    ulong32             max_isr_rcvs;
+    ulong32             max_isr_xmits;
+    ulong32             rcv_interrupt_yields;
+    ulong32             intagg_period;
+    p_inicpm_state_t    inicpm_info;
+    pvoid               pinicpm_info;
+    slic_reg_params_t   reg_params;
+    slic_ifevents_t     if_events;
+    slic_stats_t        inicstats_prev;
+    slicnet_stats_t     slic_stats;
+    struct net_device_stats stats;
+} adapter_t, *p_adapter_t;
+
+#if SLIC_DUMP_ENABLED
+#define SLIC_DUMP_REQUESTED      1
+#define SLIC_DUMP_IN_PROGRESS    2
+#define SLIC_DUMP_DONE           3
+
+/****************************************************************************
+ *
+ * Microcode crash information structure.  This
+ * structure is written out to the card's SRAM when the microcode panic's.
+ *
+ ****************************************************************************/
+typedef struct _slic_crash_info {
+    ushort  cpu_id;
+    ushort  crash_pc;
+} slic_crash_info, *p_slic_crash_info;
+
+#define CRASH_INFO_OFFSET   0x155C
+
+#endif
+
+#define UPDATE_STATS(largestat, newstat, oldstat)                        \
+{                                                                        \
+    if ((newstat) < (oldstat))                                           \
+	(largestat) += ((newstat) + (0xFFFFFFFF - oldstat + 1));         \
+    else                                                                 \
+	(largestat) += ((newstat) - (oldstat));                          \
+}
+
+#define UPDATE_STATS_GB(largestat, newstat, oldstat)                     \
+{                                                                        \
+    (largestat) += ((newstat) - (oldstat));                              \
+}
+
+#define ETHER_EQ_ADDR(_AddrA, _AddrB, _Result)                           \
+{                                                                        \
+    _Result = TRUE;                                                      \
+    if (*(pulong32)(_AddrA) != *(pulong32)(_AddrB))                          \
+	_Result = FALSE;                                                 \
+    if (*(pushort)(&((_AddrA)[4])) != *(pushort)(&((_AddrB)[4])))        \
+	_Result = FALSE;                                                 \
+}
+
+#if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
+#define   SLIC_GET_ADDR_LOW(_addr)  (ulong32)((ulong64)(_addr) & \
+	0x00000000FFFFFFFF)
+#define   SLIC_GET_ADDR_HIGH(_addr)  (ulong32)(((ulong64)(_addr) >> 32) & \
+	0x00000000FFFFFFFF)
+#else
+#define   SLIC_GET_ADDR_LOW(_addr)   (ulong32)_addr
+#define   SLIC_GET_ADDR_HIGH(_addr)  (ulong32)0
+#endif
+
+#define FLUSH       TRUE
+#define DONT_FLUSH  FALSE
+
+#define SIOCSLICDUMPCARD         (SIOCDEVPRIVATE+9)
+#define SIOCSLICSETINTAGG        (SIOCDEVPRIVATE+10)
+#define SIOCSLICTRACEDUMP        (SIOCDEVPRIVATE+11)
+
+#endif /*  __SLIC_DRIVER_H__ */
diff --git a/drivers/staging/slicoss/slic_os.h b/drivers/staging/slicoss/slic_os.h
new file mode 100644
index 00000000000..2064673f914
--- /dev/null
+++ b/drivers/staging/slicoss/slic_os.h
@@ -0,0 +1,163 @@
+/**************************************************************************
+ *
+ * Copyright (c)2000-2002 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: slic_os.h,v 1.2 2006/03/27 15:10:15 mook Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: slic_os.h
+ *
+ * These are the Linux-specific definitions required for the SLICOSS
+ * driver, which should allow for greater portability to other OSes.
+ */
+#ifndef _SLIC_OS_SPECIFIC_H_
+#define _SLIC_OS_SPECIFIC_H_
+
+typedef unsigned char       uchar;
+typedef u64               ulong64;
+typedef char              *pchar;
+typedef unsigned char     *puchar;
+typedef u16             *pushort;
+typedef u32               ulong32;
+typedef u32             *pulong32;
+typedef int               *plong32;
+typedef unsigned int      *puint;
+typedef void                *pvoid;
+typedef unsigned long      *pulong;
+typedef unsigned int        boolean;
+typedef unsigned int        wchar;
+typedef unsigned int       *pwchar;
+typedef unsigned char       UCHAR;
+typedef u32               ULONG;
+typedef s32               LONG;
+#define FALSE               (0)
+#define TRUE                (1)
+
+#define SLIC_INIT_SPINLOCK(x)                                                 \
+      {                                                                       \
+	spin_lock_init(&((x).lock));                                         \
+      }
+#define SLIC_ACQUIRE_SPINLOCK(x)                                              \
+      {                                                                       \
+	spin_lock(&((x).lock));                                              \
+      }
+
+#define SLIC_RELEASE_SPINLOCK(x)                                              \
+      {                                                                       \
+	spin_unlock(&((x).lock));                                            \
+      }
+
+#define SLIC_ACQUIRE_IRQ_SPINLOCK(x)                                          \
+      {                                                                       \
+	spin_lock_irqsave(&((x).lock), (x).flags);                           \
+      }
+
+#define SLIC_RELEASE_IRQ_SPINLOCK(x)                                          \
+      {                                                                       \
+	spin_unlock_irqrestore(&((x).lock), (x).flags);                      \
+      }
+
+#define ATK_DEBUG  1
+
+#if ATK_DEBUG
+#define SLIC_TIMESTAMP(value) {                                             \
+	struct timeval  timev;                                              \
+	do_gettimeofday(&timev);                                            \
+	value = timev.tv_sec*1000000 + timev.tv_usec;                       \
+}
+#else
+#define SLIC_TIMESTAMP(value)
+#endif
+
+#define SLIC_ALLOCATE_MEM(len, flag)         kmalloc(len, flag)
+#define SLIC_DEALLOCATE_MEM(mem)             kfree(mem)
+#define SLIC_DEALLOCATE_IRQ_MEM(mem)         free(mem)
+#define SLIC_ALLOCATE_PAGE(x)                (pulong32)get_free_page(GFP_KERNEL)
+#define SLIC_DEALLOCATE_PAGE(addr)           free_page((ulong32)addr)
+#define SLIC_ALLOCATE_PCIMEM(a, sz, physp)    \
+		pci_alloc_consistent((a)->pcidev, (sz), &(physp))
+#define SLIC_DEALLOCATE_PCIMEM(a, sz, vp, pp) \
+		pci_free_consistent((a)->pcidev, (sz), (vp), (pp))
+#define SLIC_GET_PHYSICAL_ADDRESS(addr)       virt_to_bus((addr))
+#define SLIC_GET_PHYSICAL_ADDRESS_HIGH(addr)  0
+
+#define SLIC_GET_DMA_ADDRESS_WRITE(a, ptr, sz)  \
+		pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_TODEVICE)
+#define SLIC_GET_DMA_ADDRESS_READ(a, ptr, sz)   \
+		pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_FROMDEVICE)
+#define SLIC_UNGET_DMA_ADDRESS_WRITE(a, pa, sz) \
+		pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_TODEVICE)
+#define SLIC_UNGET_DMA_ADDRESS_READ(a, pa, sz)  \
+		pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_FROMDEVICE)
+
+#define SLIC_ZERO_MEMORY(p, sz)            memset((p), 0, (sz))
+#define SLIC_EQUAL_MEMORY(src1, src2, len) (!memcmp(src1, src2, len))
+#define SLIC_MOVE_MEMORY(dst, src, len)    memcpy((dst), (src), (len))
+
+#define SLIC_SECS_TO_JIFFS(x)  ((x) * HZ)
+#define SLIC_MS_TO_JIFFIES(x)  (SLIC_SECS_TO_JIFFS((x)) / 1000)
+
+#ifdef DEBUG_REGISTER_TRACE
+#define WRITE_REG(reg, value, flush)                                      \
+	{                                                           \
+		adapter->card->reg_type[adapter->card->debug_ix] = 0;   \
+		adapter->card->reg_offset[adapter->card->debug_ix] = \
+			((puchar)(&reg)) - ((puchar)adapter->slic_regs); \
+		adapter->card->reg_value[adapter->card->debug_ix++] = value;  \
+		if (adapter->card->debug_ix == 32) \
+			adapter->card->debug_ix = 0;                      \
+		slic_reg32_write((&reg), (value), (flush));            \
+	}
+#define WRITE_REG64(a, reg, value, regh, valh, flush)                        \
+	{                                                           \
+		adapter->card->reg_type[adapter->card->debug_ix] = 1;        \
+		adapter->card->reg_offset[adapter->card->debug_ix] = \
+			((puchar)(&reg)) - ((puchar)adapter->slic_regs); \
+		adapter->card->reg_value[adapter->card->debug_ix] = value;   \
+		adapter->card->reg_valueh[adapter->card->debug_ix++] = valh;  \
+		if (adapter->card->debug_ix == 32) \
+			adapter->card->debug_ix = 0;                      \
+		slic_reg64_write((a), (&reg), (value), (&regh), (valh), \
+				(flush));\
+	}
+#else
+#define WRITE_REG(reg, value, flush) \
+	slic_reg32_write((&reg), (value), (flush))
+#define WRITE_REG64(a, reg, value, regh, valh, flush) \
+	slic_reg64_write((a), (&reg), (value), (&regh), (valh), (flush))
+#endif
+#define READ_REG(reg, flush)                    slic_reg32_read((&reg), (flush))
+#define READ_REGP16(reg, flush)                 slic_reg16_read((&reg), (flush))
+
+#endif  /* _SLIC_OS_SPECIFIC_H_  */
+
diff --git a/drivers/staging/slicoss/slicbuild.h b/drivers/staging/slicoss/slicbuild.h
new file mode 100644
index 00000000000..ddf16650ad8
--- /dev/null
+++ b/drivers/staging/slicoss/slicbuild.h
@@ -0,0 +1,97 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: slicbuild.h,v 1.2 2006/03/27 15:10:10 mook Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: slicbuild.h
+ *
+ * The following contains the compiler directive switches used for
+ * different SLIC build options.  They can all be set in the Makefile
+ * but the defaults are defined here.
+ */
+#ifndef _SLIC_BUILD_H_
+#define _SLIC_BUILD_H_
+
+#ifndef SLIC_PRODUCTION_BUILD
+#define SLIC_PRODUCTION_BUILD			1
+#endif
+#ifndef SLIC_FAILURE_RESET
+#define SLIC_FAILURE_RESET			1
+#endif
+#define DBG                         1
+#ifndef SLIC_ASSERT_ENABLED
+#define SLIC_ASSERT_ENABLED			1
+#endif
+#ifndef SLIC_MCAST_ENABLED
+#define SLIC_MCAST_ENABLED			1
+#endif
+#ifndef SLIC_GET_STATS_ENABLED
+#define SLIC_GET_STATS_ENABLED			1
+#endif
+#ifndef SLIC_GET_STATS_TIMER_ENABLED
+#define SLIC_GET_STATS_TIMER_ENABLED		0
+#endif
+#ifndef SLIC_PING_TIMER_ENABLED
+#define SLIC_PING_TIMER_ENABLED		1
+#endif
+#ifndef SLIC_IOCTL_SUPPORT_ENABLED
+#define SLIC_IOCTL_SUPPORT_ENABLED		1
+#endif
+#ifndef ATK_DEBUG
+#define ATK_DEBUG				1
+#endif
+#ifndef SLIC_POWER_MANAGEMENT_ENABLED
+#define SLIC_POWER_MANAGEMENT_ENABLED		0
+#endif
+#ifndef SLIC_INTERRUPT_PROCESS_LIMIT
+#define SLIC_INTERRUPT_PROCESS_LIMIT		1
+#endif
+#ifndef LINUX_FREES_ADAPTER_RESOURCES
+#define LINUX_FREES_ADAPTER_RESOURCES		1
+#endif
+#ifndef SLIC_OFFLOAD_IP_CHECKSUM
+#define SLIC_OFFLOAD_IP_CHECKSUM		1
+#endif
+#ifndef SLIC_POWER_MANAGEMENT_ENABLED
+#define SLIC_POWER_MANAGEMENT_ENABLED		0
+#endif
+#ifndef STATS_TIMER_INTERVAL
+#define STATS_TIMER_INTERVAL			2
+#endif
+#ifndef PING_TIMER_INTERVAL
+#define PING_TIMER_INTERVAL			1
+#endif
+
+#endif   /* _SLIC_BUILD_H_  */
diff --git a/drivers/staging/slicoss/slicdbg.h b/drivers/staging/slicoss/slicdbg.h
new file mode 100644
index 00000000000..c1be56f9627
--- /dev/null
+++ b/drivers/staging/slicoss/slicdbg.h
@@ -0,0 +1,101 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: slicdbg.h,v 1.2 2006/03/27 15:10:04 mook Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: slicdbg.h
+ *
+ * All debug and assertion-based definitions and macros are included
+ * in this file for the SLICOSS driver.
+ */
+#ifndef _SLIC_DEBUG_H_
+#define _SLIC_DEBUG_H_
+
+#ifdef SLIC_DEFAULT_LOG_LEVEL
+#else
+#define SLICLEVEL   KERN_DEBUG
+#endif
+#define SLIC_DISPLAY              printk
+#define DBG_ERROR(n, args...)   SLIC_DISPLAY(KERN_EMERG n, ##args)
+
+#define SLIC_DEBUG_MESSAGE 1
+#if SLIC_DEBUG_MESSAGE
+/*#define DBG_MSG(n, args...)      SLIC_DISPLAY(SLICLEVEL n, ##args)*/
+#define DBG_MSG(n, args...)
+#else
+#define DBG_MSG(n, args...)
+#endif
+
+#ifdef ASSERT
+#undef ASSERT
+#endif
+
+#if SLIC_ASSERT_ENABLED
+#ifdef CONFIG_X86_64
+#define VALID_ADDRESS(p)  (1)
+#else
+#define VALID_ADDRESS(p)  (((ulong32)(p) & 0x80000000) || ((ulong32)(p) == 0))
+#endif
+#ifndef ASSERT
+#define ASSERT(a)                                                             \
+    {                                                                         \
+	if (!(a)) {                                                           \
+		DBG_ERROR("ASSERT() Failure: file %s, function %s  line %d\n",\
+		__FILE__, __func__, __LINE__);                          \
+		slic_assert_fail();                                       \
+	}                                                                 \
+    }
+#endif
+#ifndef ASSERTMSG
+#define ASSERTMSG(a,msg)                                                  \
+    {                                                                     \
+	if (!(a)) {                                                       \
+		DBG_ERROR("ASSERT() Failure: file %s, function %s"\
+			"line %d: %s\n",\
+			__FILE__, __func__, __LINE__, (msg));            \
+		slic_assert_fail();                                      \
+	}                                                                \
+    }
+#endif
+#else
+#ifndef ASSERT
+#define ASSERT(a)
+#endif
+#ifndef ASSERTMSG
+#define ASSERTMSG(a, msg)
+#endif
+#endif /* SLIC_ASSERT_ENABLED  */
+
+#endif  /*  _SLIC_DEBUG_H_  */
diff --git a/drivers/staging/slicoss/slicdump.h b/drivers/staging/slicoss/slicdump.h
new file mode 100644
index 00000000000..3c46094eff5
--- /dev/null
+++ b/drivers/staging/slicoss/slicdump.h
@@ -0,0 +1,279 @@
+/*
+ * $Id: slicdump.h,v 1.2 2006/03/27 15:09:57 mook Exp $
+ *
+ * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * NO LICENSE TO ANY ALACRITECH PATENT CLAIM IS GRANTED BY ANY COPYRIGHT
+ * LICENSE TO THIS OR OTHER SOFTWARE. THIS SOFTWARE MAY BE COVERED BY
+ * ALACRITECH PATENTS INCLUDING BUT NOT LIMITED TO U.S. PATENT NOS. 6,226,680,
+ * 6,247,060, 6,334,153, 6,389,479, 6,393,487, 6,427,171, 6,427,173
+ * and 6,434,620.
+ * THIS SOFTWARE IS NOT SUBJECT TO THE GNU GENERAL PUBLIC LICENSE (GPL).
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either
+ * expressed or implied, of Alacritech, Inc.
+ */
+#ifndef _SLIC_DUMP_H_
+#define _SLIC_DUMP_H_
+
+#define DEBUG_SUCCESS   0
+
+/***********************************************************************
+ *
+ * Utility processor register locations
+ *
+ **********************************************************************/
+#define UTILITY_RESET       0x0
+#define UTILITY_ISP_ADDR    0x4     /* Interrupt status Pointer */
+#define UTILITY_ISR_ADDR    0x8     /* Interrupt status Register */
+#define UTILITY_ICR_ADDR    0xc     /* Interrupt Control Register */
+#define UTILITY_CPR_ADDR    0x10    /* Command Pointer Register */
+#define UTILITY_DPR_ADDR    0x14    /* Data Pointer Register */
+#define UTILITY_DMP_TRQ     0x18    /* Dump queue onto ALU for analyser */
+#define UTILITY_UPP_ADDR    0x1c    /* Bits 63-32 of cmd/data pointer */
+
+/***********************************************************************
+ *
+ * INIC status register bits
+ *
+ ***********************************************************************/
+#define SLIC_ISR_CC         0x10000000  /* Command complete - synchronous */
+#define SLIC_ISR_ERR        0x01000000  /* Command Error - synchronous */
+#define SLIC_ISR_CMD_MASK   0x11000000  /* Command status mask */
+#define SLIC_ISR_TPH        0x00080000  /* Transmit processor halted - async */
+#define SLIC_ISR_RPH        0x00040000  /* Receive processor halted - async */
+
+/***********************************************************************
+ *
+ * INIC Control register values
+ *
+ ***********************************************************************/
+#define SLIC_ICR_OFF        0           /* Interrupts disabled */
+#define SLIC_ICR_ON         1           /* Interrupts enabled */
+#define SLIC_ICR_MASK       2           /* Interrupts masked */
+
+#define WRITE_DREG(reg, value, flush)                           \
+{                                                               \
+    writel((value), (reg));                                     \
+    if ((flush)) {                                               \
+	mb();                                                   \
+    }                                                           \
+}
+
+/************************************************************************
+ *
+ * Command Format
+ *
+ * Each command contains a command byte which is defined as follows:
+ *
+ *  bits:   7-3     2       1-0
+ *      ----------------------------------------------
+ *      command     Alt. Proc   Processor
+ *
+ ************************************************************************/
+
+/*
+ * Macro to create the command byte given the command, Alt. Proc, and
+ * Processor values.  Note that the macro assumes that the values are
+ * preshifted.  That is, the values for alt. proc are 0 for transmit and
+ * 4 for receive.
+ */
+#define COMMAND_BYTE(command, alt_proc, proc) ((command) | (alt_proc) | (proc))
+
+/*
+ * Command values
+ */
+#define CMD_HALT        0x0     /* Send a halt to the INIC */
+#define CMD_RUN         0x8     /* Start the halted INIC */
+#define CMD_STEP        0x10    /* Single step the inic */
+#define CMD_BREAK       0x18    /* Set a breakpoint - 8 byte command */
+#define CMD_RESET_BREAK 0x20    /* Reset a breakpoint - 8 byte cmd */
+#define CMD_DUMP        0x28    /* Dump INIC memory - 8 byte command */
+#define CMD_LOAD        0x30    /* Load INIC memory - 8 byte command */
+#define CMD_MAP         0x38    /* Map out a ROM instruction - 8 BC */
+#define CMD_CAM_OPS     0x38    /* perform ops on specific CAM */
+#define CMD_XMT         0x40    /* Transmit frame */
+#define CMD_RCV         0x48    /* Receive frame */
+
+/*
+ * Alt. Proc values
+ *
+ * When the proc value is set to the utility processor, the Alt. Proc
+ * specifies which processor handles the debugging.
+ */
+#define ALT_PROC_TRANSMIT   0x0
+#define ALT_PROC_RECEIVE    0x4
+
+/*
+ * Proc values
+ */
+#define PROC_INVALID        0x0
+#define PROC_NONE           0x0  /* Gigabit use */
+#define PROC_TRANSMIT       0x1
+#define PROC_RECEIVE        0x2
+#define PROC_UTILITY        0x3
+
+/******************************************************************
+ *
+ * 8 byte command structure definitions
+ *
+ ******************************************************************/
+
+/*
+ * Break and Reset Break command structure
+ */
+typedef struct _BREAK {
+    uchar     command;    /* Command word defined above */
+    uchar     resvd;
+    ushort    count;      /* Number of executions before break */
+    ulong32   addr;       /* Address of break point */
+} BREAK, *PBREAK;
+
+/*
+ * Dump and Load command structure
+ */
+typedef struct _dump_cmd {
+    uchar     cmd;        /* Command word defined above */
+    uchar     desc;       /* Descriptor values - defined below */
+    ushort    count;      /* number of 4 byte words to be transferred */
+    ulong32   addr;       /* start address of dump or load */
+} dump_cmd_t, *pdump_cmd_t;
+
+/*
+ * Receive or Transmit a frame.
+ */
+typedef struct _RCV_OR_XMT_FRAME {
+    uchar     command;    /* Command word defined above */
+    uchar     MacId;      /* Mac ID of interface - transmit only */
+    ushort    count;      /* Length of frame in bytes */
+    ulong32   pad;        /* not used */
+} RCV_OR_XMT_FRAME, *PRCV_OR_XMT_FRAME;
+
+/*
+ * Values of desc field in DUMP_OR_LOAD structure
+ */
+#define DESC_RFILE          0x0     /* Register file */
+#define DESC_SRAM           0x1     /* SRAM */
+#define DESC_DRAM           0x2     /* DRAM */
+#define DESC_QUEUE          0x3     /* queues */
+#define DESC_REG            0x4     /* General registers (pc, status, etc) */
+#define DESC_SENSE          0x5     /* Sense register */
+
+/* Descriptor field definitions for CMD_DUMP_CAM */
+#define DUMP_CAM_A              0
+#define DUMP_CAM_B              1               /* unused at present */
+#define DUMP_CAM_C              2
+#define DUMP_CAM_D              3
+#define SEARCH_CAM_A            4
+#define SEARCH_CAM_C            5
+
+/*
+ * Map command to replace a command in ROM with a command in WCS
+ */
+typedef struct _MAP {
+    uchar   command;    /* Command word defined above */
+    uchar   not_used[3];
+    ushort  map_to;     /* Instruction address in WCS */
+    ushort  map_out;    /* Instruction address in ROM */
+} MAP, *PMAP;
+
+/*
+ * Misc definitions
+ */
+#define SLIC_MAX_QUEUE       32 /* Total # of queues on the INIC (0-31)*/
+#define SLIC_4MAX_REG       512 /* Total # of 4-port file-registers    */
+#define SLIC_1MAX_REG       384 /* Total # of file-registers           */
+#define SLIC_GBMAX_REG     1024 /* Total # of Gbit file-registers      */
+#define SLIC_NUM_REG         32 /* non-file-registers = NUM_REG in tm-simba.h */
+#define SLIC_GB_CAMA_SZE     32
+#define SLIC_GB_CAMB_SZE     16
+#define SLIC_GB_CAMAB_SZE    32
+#define SLIC_GB_CAMC_SZE     16
+#define SLIC_GB_CAMD_SZE     16
+#define SLIC_GB_CAMCD_SZE    32
+
+/*
+ * Coredump header structure
+ */
+typedef struct _CORE_Q {
+    ulong32   queueOff;           /* Offset of queue */
+    ulong32   queuesize;          /* size of queue */
+} CORE_Q;
+
+#define DRIVER_NAME_SIZE    32
+
+typedef struct _sliccore_hdr_t {
+    uchar   driver_version[DRIVER_NAME_SIZE];    /* Driver version string */
+    ulong32   RcvRegOff;          /* Offset of receive registers */
+    ulong32   RcvRegsize;         /* size of receive registers */
+    ulong32   XmtRegOff;          /* Offset of transmit registers */
+    ulong32   XmtRegsize;         /* size of transmit registers */
+    ulong32   FileRegOff;         /* Offset of register file */
+    ulong32   FileRegsize;        /* size of register file */
+    ulong32   SramOff;            /* Offset of Sram */
+    ulong32   Sramsize;           /* size of Sram */
+    ulong32   DramOff;            /* Offset of Dram */
+    ulong32   Dramsize;           /* size of Dram */
+    CORE_Q    queues[SLIC_MAX_QUEUE]; /* size and offsets of queues */
+    ulong32   CamAMOff;           /* Offset of CAM A contents */
+    ulong32   CamASize;           /* Size of Cam A */
+    ulong32   CamBMOff;           /* Offset of CAM B contents */
+    ulong32   CamBSize;           /* Size of Cam B */
+    ulong32   CamCMOff;           /* Offset of CAM C contents */
+    ulong32   CamCSize;           /* Size of Cam C */
+    ulong32   CamDMOff;           /* Offset of CAM D contents */
+    ulong32   CamDSize;           /* Size of Cam D */
+} sliccore_hdr_t, *p_sliccore_hdr_t;
+
+/*
+ * definitions needed for our kernel-mode gdb stub.
+ */
+/***********************************************************************
+ *
+ * Definitions & Typedefs
+ *
+ **********************************************************************/
+#define BUFMAX      0x20000 /* 128k - size of input/output buffer */
+#define BUFMAXP2    5       /* 2**5 (32) 4K pages */
+
+#define IOCTL_SIMBA_BREAK           _IOW('s', 0, unsigned long)
+/* #define IOCTL_SIMBA_INIT            _IOW('s', 1, unsigned long) */
+#define IOCTL_SIMBA_KILL_TGT_PROC   _IOW('s', 2, unsigned long)
+
+/***********************************************************************
+ *
+ * Global variables
+ *
+ ***********************************************************************/
+
+#define THREADRECEIVE   1   /* bit 0 of StoppedThreads */
+#define THREADTRANSMIT  2   /* bit 1 of StoppedThreads */
+#define THREADBOTH      3   /* bit 0 and 1.. */
+
+#endif  /*  _SLIC_DUMP_H  */
diff --git a/drivers/staging/slicoss/slichw.h b/drivers/staging/slicoss/slichw.h
new file mode 100644
index 00000000000..d5765c4dc66
--- /dev/null
+++ b/drivers/staging/slicoss/slichw.h
@@ -0,0 +1,850 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: slichw.h,v 1.3 2008/03/17 19:27:26 chris Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: slichw.h
+ *
+ * This header file contains definitions that are common to our hardware.
+ */
+#ifndef __SLICHW_H__
+#define __SLICHW_H__
+
+#define PCI_VENDOR_ID_ALACRITECH    0x139A
+#define SLIC_1GB_DEVICE_ID          0x0005
+#define SLIC_2GB_DEVICE_ID          0x0007  /*Oasis Device ID */
+
+#define SLIC_1GB_CICADA_SUBSYS_ID   0x0008
+
+#define SLIC_NBR_MACS      4
+
+#define SLIC_RCVBUF_SIZE        2048
+#define SLIC_RCVBUF_HEADSIZE    34
+#define SLIC_RCVBUF_TAILSIZE    0
+#define SLIC_RCVBUF_DATASIZE    (SLIC_RCVBUF_SIZE - (SLIC_RCVBUF_HEADSIZE +\
+					SLIC_RCVBUF_TAILSIZE))
+
+#define VGBSTAT_XPERR           0x40000000
+#define VGBSTAT_XERRSHFT        25
+#define VGBSTAT_XCSERR          0x23
+#define VGBSTAT_XUFLOW          0x22
+#define VGBSTAT_XHLEN           0x20
+#define VGBSTAT_NETERR          0x01000000
+#define VGBSTAT_NERRSHFT        16
+#define VGBSTAT_NERRMSK         0x1ff
+#define VGBSTAT_NCSERR          0x103
+#define VGBSTAT_NUFLOW          0x102
+#define VGBSTAT_NHLEN           0x100
+#define VGBSTAT_LNKERR          0x00000080
+#define VGBSTAT_LERRMSK         0xff
+#define VGBSTAT_LDEARLY         0x86
+#define VGBSTAT_LBOFLO          0x85
+#define VGBSTAT_LCODERR         0x84
+#define VGBSTAT_LDBLNBL         0x83
+#define VGBSTAT_LCRCERR         0x82
+#define VGBSTAT_LOFLO           0x81
+#define VGBSTAT_LUFLO           0x80
+#define IRHDDR_FLEN_MSK         0x0000ffff
+#define IRHDDR_SVALID           0x80000000
+#define IRHDDR_ERR              0x10000000
+#define VRHSTAT_802OE           0x80000000
+#define VRHSTAT_TPOFLO          0x10000000
+#define VRHSTATB_802UE          0x80000000
+#define VRHSTATB_RCVE           0x40000000
+#define VRHSTATB_BUFF           0x20000000
+#define VRHSTATB_CARRE          0x08000000
+#define VRHSTATB_LONGE          0x02000000
+#define VRHSTATB_PREA           0x01000000
+#define VRHSTATB_CRC            0x00800000
+#define VRHSTATB_DRBL           0x00400000
+#define VRHSTATB_CODE           0x00200000
+#define VRHSTATB_TPCSUM         0x00100000
+#define VRHSTATB_TPHLEN         0x00080000
+#define VRHSTATB_IPCSUM         0x00040000
+#define VRHSTATB_IPLERR         0x00020000
+#define VRHSTATB_IPHERR         0x00010000
+#define SLIC_MAX64_BCNT         23
+#define SLIC_MAX32_BCNT         26
+#define IHCMD_XMT_REQ           0x01
+#define IHFLG_IFSHFT            2
+#define SLIC_RSPBUF_SIZE        32
+
+#define SLIC_RESET_MAGIC        0xDEAD
+#define ICR_INT_OFF             0
+#define ICR_INT_ON              1
+#define ICR_INT_MASK            2
+
+#define ISR_ERR                 0x80000000
+#define ISR_RCV                 0x40000000
+#define ISR_CMD                 0x20000000
+#define ISR_IO                  0x60000000
+#define ISR_UPC                 0x10000000
+#define ISR_LEVENT              0x08000000
+#define ISR_RMISS               0x02000000
+#define ISR_UPCERR              0x01000000
+#define ISR_XDROP               0x00800000
+#define ISR_UPCBSY              0x00020000
+#define ISR_EVMSK               0xffff0000
+#define ISR_PINGMASK            0x00700000
+#define ISR_PINGDSMASK          0x00710000
+#define ISR_UPCMASK             0x11000000
+#define SLIC_WCS_START          0x80000000
+#define SLIC_WCS_COMPARE        0x40000000
+#define SLIC_RCVWCS_BEGIN       0x40000000
+#define SLIC_RCVWCS_FINISH      0x80000000
+#define SLIC_PM_MAXPATTERNS     6
+#define SLIC_PM_PATTERNSIZE     128
+#define SLIC_PMCAPS_WAKEONLAN   0x00000001
+#define MIICR_REG_PCR           0x00000000
+#define MIICR_REG_4             0x00040000
+#define MIICR_REG_9             0x00090000
+#define MIICR_REG_16            0x00100000
+#define PCR_RESET               0x8000
+#define PCR_POWERDOWN           0x0800
+#define PCR_SPEED_100           0x2000
+#define PCR_SPEED_1000          0x0040
+#define PCR_AUTONEG             0x1000
+#define PCR_AUTONEG_RST         0x0200
+#define PCR_DUPLEX_FULL         0x0100
+#define PSR_LINKUP              0x0004
+
+#define PAR_ADV100FD            0x0100
+#define PAR_ADV100HD            0x0080
+#define PAR_ADV10FD             0x0040
+#define PAR_ADV10HD             0x0020
+#define PAR_ASYMPAUSE           0x0C00
+#define PAR_802_3               0x0001
+
+#define PAR_ADV1000XFD          0x0020
+#define PAR_ADV1000XHD          0x0040
+#define PAR_ASYMPAUSE_FIBER     0x0180
+
+#define PGC_ADV1000FD           0x0200
+#define PGC_ADV1000HD           0x0100
+#define SEEQ_LINKFAIL           0x4000
+#define SEEQ_SPEED              0x0080
+#define SEEQ_DUPLEX             0x0040
+#define TDK_DUPLEX              0x0800
+#define TDK_SPEED               0x0400
+#define MRV_REG16_XOVERON       0x0068
+#define MRV_REG16_XOVEROFF      0x0008
+#define MRV_SPEED_1000          0x8000
+#define MRV_SPEED_100           0x4000
+#define MRV_SPEED_10            0x0000
+#define MRV_FULLDUPLEX          0x2000
+#define MRV_LINKUP              0x0400
+
+#define GIG_LINKUP              0x0001
+#define GIG_FULLDUPLEX          0x0002
+#define GIG_SPEED_MASK          0x000C
+#define GIG_SPEED_1000          0x0008
+#define GIG_SPEED_100           0x0004
+#define GIG_SPEED_10            0x0000
+
+#define MCR_RESET               0x80000000
+#define MCR_CRCEN               0x40000000
+#define MCR_FULLD               0x10000000
+#define MCR_PAD                 0x02000000
+#define MCR_RETRYLATE           0x01000000
+#define MCR_BOL_SHIFT           21
+#define MCR_IPG1_SHIFT          14
+#define MCR_IPG2_SHIFT          7
+#define MCR_IPG3_SHIFT          0
+#define GMCR_RESET              0x80000000
+#define GMCR_GBIT               0x20000000
+#define GMCR_FULLD              0x10000000
+#define GMCR_GAPBB_SHIFT        14
+#define GMCR_GAPR1_SHIFT        7
+#define GMCR_GAPR2_SHIFT        0
+#define GMCR_GAPBB_1000         0x60
+#define GMCR_GAPR1_1000         0x2C
+#define GMCR_GAPR2_1000         0x40
+#define GMCR_GAPBB_100          0x70
+#define GMCR_GAPR1_100          0x2C
+#define GMCR_GAPR2_100          0x40
+#define XCR_RESET               0x80000000
+#define XCR_XMTEN               0x40000000
+#define XCR_PAUSEEN             0x20000000
+#define XCR_LOADRNG             0x10000000
+#define RCR_RESET               0x80000000
+#define RCR_RCVEN               0x40000000
+#define RCR_RCVALL              0x20000000
+#define RCR_RCVBAD              0x10000000
+#define RCR_CTLEN               0x08000000
+#define RCR_ADDRAEN             0x02000000
+#define GXCR_RESET              0x80000000
+#define GXCR_XMTEN              0x40000000
+#define GXCR_PAUSEEN            0x20000000
+#define GRCR_RESET              0x80000000
+#define GRCR_RCVEN              0x40000000
+#define GRCR_RCVALL             0x20000000
+#define GRCR_RCVBAD             0x10000000
+#define GRCR_CTLEN              0x08000000
+#define GRCR_ADDRAEN            0x02000000
+#define GRCR_HASHSIZE_SHIFT     17
+#define GRCR_HASHSIZE           14
+
+#define SLIC_EEPROM_ID        0xA5A5
+#define SLIC_SRAM_SIZE2GB     (64 * 1024)
+#define SLIC_SRAM_SIZE1GB     (32 * 1024)
+#define SLIC_HOSTID_DEFAULT   0xFFFF      /* uninitialized hostid */
+#define SLIC_NBR_MACS         4
+
+#ifndef FALSE
+#define FALSE  0
+#else
+#undef  FALSE
+#define FALSE  0
+#endif
+
+#ifndef TRUE
+#define TRUE   1
+#else
+#undef  TRUE
+#define TRUE   1
+#endif
+
+typedef struct _slic_rcvbuf_t {
+    uchar     pad1[6];
+    ushort    pad2;
+    ulong32   pad3;
+    ulong32   pad4;
+    ulong32   buffer;
+    ulong32   length;
+    ulong32   status;
+    ulong32   pad5;
+    ushort    pad6;
+    uchar     data[SLIC_RCVBUF_DATASIZE];
+}  slic_rcvbuf_t, *p_slic_rcvbuf_t;
+
+typedef struct _slic_hddr_wds {
+  union {
+    struct {
+	ulong32    frame_status;
+	ulong32    frame_status_b;
+	ulong32    time_stamp;
+	ulong32    checksum;
+    } hdrs_14port;
+    struct {
+	ulong32    frame_status;
+	ushort     ByteCnt;
+	ushort     TpChksum;
+	ushort     CtxHash;
+	ushort     MacHash;
+	ulong32    BufLnk;
+    } hdrs_gbit;
+  } u0;
+} slic_hddr_wds_t, *p_slic_hddr_wds;
+
+#define frame_status14        u0.hdrs_14port.frame_status
+#define frame_status_b14      u0.hdrs_14port.frame_status_b
+#define frame_statusGB        u0.hdrs_gbit.frame_status
+
+typedef struct _slic_host64sg_t {
+	ulong32        paddrl;
+	ulong32        paddrh;
+	ulong32        length;
+} slic_host64sg_t, *p_slic_host64sg_t;
+
+typedef struct _slic_host64_cmd_t {
+    ulong32       hosthandle;
+    ulong32       RSVD;
+    uchar         command;
+    uchar         flags;
+    union {
+	ushort          rsv1;
+	ushort          rsv2;
+    } u0;
+    union {
+	struct {
+		ulong32            totlen;
+		slic_host64sg_t    bufs[SLIC_MAX64_BCNT];
+	} slic_buffers;
+    } u;
+
+} slic_host64_cmd_t, *p_slic_host64_cmd_t;
+
+typedef struct _slic_rspbuf_t {
+    ulong32   hosthandle;
+    ulong32   pad0;
+    ulong32   pad1;
+    ulong32   status;
+    ulong32   pad2[4];
+
+}  slic_rspbuf_t, *p_slic_rspbuf_t;
+
+typedef ulong32 SLIC_REG;
+
+
+typedef struct _slic_regs_t {
+	ULONG	slic_reset;		/* Reset Register */
+	ULONG	pad0;
+
+	ULONG	slic_icr;		/* Interrupt Control Register */
+	ULONG	pad2;
+#define SLIC_ICR		0x0008
+
+	ULONG	slic_isp;		/* Interrupt status pointer */
+	ULONG	pad1;
+#define SLIC_ISP		0x0010
+
+    ULONG	slic_isr;		/* Interrupt status */
+	ULONG	pad3;
+#define SLIC_ISR		0x0018
+
+    SLIC_REG	slic_hbar;		/* Header buffer address reg */
+	ULONG		pad4;
+	/* 31-8 - phy addr of set of contiguous hdr buffers
+	    7-0 - number of buffers passed
+	   Buffers are 256 bytes long on 256-byte boundaries. */
+#define SLIC_HBAR		0x0020
+#define SLIC_HBAR_CNT_MSK	0x000000FF
+
+    SLIC_REG	slic_dbar;	/* Data buffer handle & address reg */
+	ULONG		pad5;
+
+	/* 4 sets of registers; Buffers are 2K bytes long 2 per 4K page. */
+#define SLIC_DBAR		0x0028
+#define SLIC_DBAR_SIZE		2048
+
+    SLIC_REG	slic_cbar;		 	/* Xmt Cmd buf addr regs.*/
+	/* 1 per XMT interface
+	   31-5 - phy addr of host command buffer
+	    4-0 - length of cmd in multiples of 32 bytes
+	   Buffers are 32 bytes up to 512 bytes long */
+#define SLIC_CBAR		0x0030
+#define SLIC_CBAR_LEN_MSK	0x0000001F
+#define SLIC_CBAR_ALIGN		0x00000020
+
+	SLIC_REG	slic_wcs;		/* write control store*/
+#define	SLIC_WCS		0x0034
+#define SLIC_WCS_START		0x80000000	/*Start the SLIC (Jump to WCS)*/
+#define SLIC_WCS_COMPARE	0x40000000	/* Compare with value in WCS*/
+
+    SLIC_REG	slic_rbar;		/* Response buffer address reg.*/
+	ULONG		pad7;
+	 /*31-8 - phy addr of set of contiguous response buffers
+	  7-0 - number of buffers passed
+	 Buffers are 32 bytes long on 32-byte boundaries.*/
+#define SLIC_RBAR		0x0038
+#define SLIC_RBAR_CNT_MSK	0x000000FF
+#define SLIC_RBAR_SIZE		32
+
+	SLIC_REG	slic_stats;		/* read statistics (UPR) */
+	ULONG		pad8;
+#define	SLIC_RSTAT		0x0040
+
+	SLIC_REG	slic_rlsr;			/* read link status */
+	ULONG		pad9;
+#define SLIC_LSTAT		0x0048
+
+	SLIC_REG	slic_wmcfg;			/* Write Mac Config */
+	ULONG		pad10;
+#define	SLIC_WMCFG		0x0050
+
+	SLIC_REG	slic_wphy;			/* Write phy register */
+	ULONG		pad11;
+#define SLIC_WPHY		0x0058
+
+	SLIC_REG	slic_rcbar;			/*Rcv Cmd buf addr reg*/
+	ULONG		pad12;
+#define	SLIC_RCBAR		0x0060
+
+	SLIC_REG	slic_rconfig;		/* Read SLIC Config*/
+	ULONG		pad13;
+#define SLIC_RCONFIG	0x0068
+
+	SLIC_REG	slic_intagg;		/* Interrupt aggregation time*/
+	ULONG		pad14;
+#define SLIC_INTAGG		0x0070
+
+	SLIC_REG	slic_wxcfg;		/* Write XMIT config reg*/
+	ULONG		pad16;
+#define	SLIC_WXCFG		0x0078
+
+	SLIC_REG	slic_wrcfg;		/* Write RCV config reg*/
+	ULONG		pad17;
+#define	SLIC_WRCFG		0x0080
+
+	SLIC_REG	slic_wraddral;		/* Write rcv addr a low*/
+	ULONG		pad18;
+#define	SLIC_WRADDRAL	0x0088
+
+	SLIC_REG	slic_wraddrah;		/* Write rcv addr a high*/
+	ULONG		pad19;
+#define	SLIC_WRADDRAH	0x0090
+
+	SLIC_REG	slic_wraddrbl;		/* Write rcv addr b low*/
+	ULONG		pad20;
+#define	SLIC_WRADDRBL	0x0098
+
+	SLIC_REG	slic_wraddrbh;		/* Write rcv addr b high*/
+	ULONG		pad21;
+#define	SLIC_WRADDRBH	0x00a0
+
+	SLIC_REG	slic_mcastlow;		/* Low bits of mcast mask*/
+	ULONG		pad22;
+#define	SLIC_MCASTLOW	0x00a8
+
+	SLIC_REG	slic_mcasthigh;		/* High bits of mcast mask*/
+	ULONG		pad23;
+#define	SLIC_MCASTHIGH	0x00b0
+
+	SLIC_REG	slic_ping;			/* Ping the card*/
+	ULONG		pad24;
+#define SLIC_PING		0x00b8
+
+	SLIC_REG	slic_dump_cmd;		/* Dump command */
+	ULONG		pad25;
+#define SLIC_DUMP_CMD	0x00c0
+
+	SLIC_REG	slic_dump_data;		/* Dump data pointer */
+	ULONG		pad26;
+#define SLIC_DUMP_DATA	0x00c8
+
+	SLIC_REG	slic_pcistatus;	/* Read card's pci_status register */
+	ULONG		pad27;
+#define	SLIC_PCISTATUS	0x00d0
+
+	SLIC_REG	slic_wrhostid;		/* Write hostid field */
+	ULONG		pad28;
+#define SLIC_WRHOSTID		 0x00d8
+#define SLIC_RDHOSTID_1GB	 0x1554
+#define SLIC_RDHOSTID_2GB	 0x1554
+
+	SLIC_REG	slic_low_power;	/* Put card in a low power state */
+	ULONG		pad29;
+#define SLIC_LOW_POWER	0x00e0
+
+	SLIC_REG	slic_quiesce;	/* force slic into quiescent state
+					 before soft reset */
+	ULONG		pad30;
+#define SLIC_QUIESCE	0x00e8
+
+	SLIC_REG	slic_reset_iface;	/* reset interface queues */
+	ULONG		pad31;
+#define SLIC_RESET_IFACE 0x00f0
+
+    SLIC_REG	slic_addr_upper;	/* Bits 63-32 for host i/f addrs */
+	ULONG		pad32;
+#define SLIC_ADDR_UPPER	0x00f8 /*Register is only written when it has changed*/
+
+    SLIC_REG	slic_hbar64;		/* 64 bit Header buffer address reg */
+	ULONG		pad33;
+#define SLIC_HBAR64		0x0100
+
+    SLIC_REG	slic_dbar64;	/* 64 bit Data buffer handle & address reg */
+	ULONG		pad34;
+#define SLIC_DBAR64		0x0108
+
+    SLIC_REG	slic_cbar64;	 	/* 64 bit Xmt Cmd buf addr regs. */
+	ULONG		pad35;
+#define SLIC_CBAR64		0x0110
+
+    SLIC_REG	slic_rbar64;		/* 64 bit Response buffer address reg.*/
+	ULONG		pad36;
+#define SLIC_RBAR64		0x0118
+
+	SLIC_REG	slic_rcbar64;		/* 64 bit Rcv Cmd buf addr reg*/
+	ULONG		pad37;
+#define	SLIC_RCBAR64	0x0120
+
+	SLIC_REG	slic_stats64;		/*read statistics (64 bit UPR)*/
+	ULONG		pad38;
+#define	SLIC_RSTAT64	0x0128
+
+	SLIC_REG	slic_rcv_wcs;	/*Download Gigabit RCV sequencer ucode*/
+	ULONG		pad39;
+#define SLIC_RCV_WCS	0x0130
+#define SLIC_RCVWCS_BEGIN	0x40000000
+#define SLIC_RCVWCS_FINISH	0x80000000
+
+	SLIC_REG	slic_wrvlanid;		/* Write VlanId field */
+	ULONG		pad40;
+#define SLIC_WRVLANID	0x0138
+
+	SLIC_REG	slic_read_xf_info;  /* Read Transformer info */
+	ULONG		pad41;
+#define SLIC_READ_XF_INFO 	0x0140
+
+	SLIC_REG	slic_write_xf_info; /* Write Transformer info */
+	ULONG		pad42;
+#define SLIC_WRITE_XF_INFO 	0x0148
+
+	SLIC_REG	RSVD1;              /* TOE Only */
+	ULONG		pad43;
+
+	SLIC_REG	RSVD2; 	            /* TOE Only */
+	ULONG		pad44;
+
+	SLIC_REG	RSVD3;              /* TOE Only */
+	ULONG		pad45;
+
+	SLIC_REG	RSVD4;              /* TOE Only */
+	ULONG		pad46;
+
+	SLIC_REG	slic_ticks_per_sec; /* Write card ticks per second */
+	ULONG		pad47;
+#define SLIC_TICKS_PER_SEC	0x0170
+
+} __iomem slic_regs_t, *p_slic_regs_t, SLIC_REGS, *PSLIC_REGS;
+
+typedef enum _UPR_REQUEST {
+    SLIC_UPR_STATS,
+    SLIC_UPR_RLSR,
+    SLIC_UPR_WCFG,
+    SLIC_UPR_RCONFIG,
+    SLIC_UPR_RPHY,
+    SLIC_UPR_ENLB,
+    SLIC_UPR_ENCT,
+    SLIC_UPR_PDWN,
+    SLIC_UPR_PING,
+    SLIC_UPR_DUMP,
+} UPR_REQUEST;
+
+typedef struct _inicpm_wakepattern {
+    ulong32    patternlength;
+    uchar      pattern[SLIC_PM_PATTERNSIZE];
+    uchar      mask[SLIC_PM_PATTERNSIZE];
+} inicpm_wakepattern_t, *p_inicpm_wakepattern_t;
+
+typedef struct _inicpm_state {
+    ulong32                 powercaps;
+    ulong32                 powerstate;
+    ulong32                 wake_linkstatus;
+    ulong32                 wake_magicpacket;
+    ulong32                 wake_framepattern;
+    inicpm_wakepattern_t    wakepattern[SLIC_PM_MAXPATTERNS];
+} inicpm_state_t, *p_inicpm_state_t;
+
+typedef struct _slicpm_packet_pattern {
+    ulong32     priority;
+    ulong32     reserved;
+    ulong32     masksize;
+    ulong32     patternoffset;
+    ulong32     patternsize;
+    ulong32     patternflags;
+} slicpm_packet_pattern_t, *p_slicpm_packet_pattern_t;
+
+typedef enum _slicpm_power_state {
+    slicpm_state_unspecified = 0,
+    slicpm_state_d0,
+    slicpm_state_d1,
+    slicpm_state_d2,
+    slicpm_state_d3,
+    slicpm_state_maximum
+} slicpm_state_t, *p_slicpm_state_t;
+
+typedef struct _slicpm_wakeup_capabilities {
+    slicpm_state_t  min_magic_packet_wakeup;
+    slicpm_state_t  min_pattern_wakeup;
+    slicpm_state_t  min_link_change_wakeup;
+}  slicpm_wakeup_capabilities_t, *p_slicpm_wakeup_capabilities_t;
+
+
+typedef struct _slic_pnp_capabilities {
+    ulong32                         flags;
+    slicpm_wakeup_capabilities_t  wakeup_capabilities;
+}  slic_pnp_capabilities_t, *p_slic_pnp_capabilities_t;
+
+typedef struct _xmt_stats_t {
+    ulong32       xmit_tcp_bytes;
+    ulong32       xmit_tcp_segs;
+    ulong32       xmit_bytes;
+    ulong32       xmit_collisions;
+    ulong32       xmit_unicasts;
+    ulong32       xmit_other_error;
+    ulong32       xmit_excess_collisions;
+}   xmt_stats100_t;
+
+typedef struct _rcv_stats_t {
+    ulong32       rcv_tcp_bytes;
+    ulong32       rcv_tcp_segs;
+    ulong32       rcv_bytes;
+    ulong32       rcv_unicasts;
+    ulong32       rcv_other_error;
+    ulong32       rcv_drops;
+}   rcv_stats100_t;
+
+typedef struct _xmt_statsgb_t {
+    ulong64       xmit_tcp_bytes;
+    ulong64       xmit_tcp_segs;
+    ulong64       xmit_bytes;
+    ulong64       xmit_collisions;
+    ulong64       xmit_unicasts;
+    ulong64       xmit_other_error;
+    ulong64       xmit_excess_collisions;
+}   xmt_statsGB_t;
+
+typedef struct _rcv_statsgb_t {
+    ulong64       rcv_tcp_bytes;
+    ulong64       rcv_tcp_segs;
+    ulong64       rcv_bytes;
+    ulong64       rcv_unicasts;
+    u64       rcv_other_error;
+    ulong64       rcv_drops;
+}   rcv_statsGB_t;
+
+typedef struct _slic_stats {
+    union {
+	struct {
+		xmt_stats100_t      xmt100;
+		rcv_stats100_t      rcv100;
+	} stats_100;
+	struct {
+		xmt_statsGB_t     xmtGB;
+		rcv_statsGB_t     rcvGB;
+	} stats_GB;
+    } u;
+} slic_stats_t, *p_slic_stats_t;
+
+#define xmit_tcp_segs100           u.stats_100.xmt100.xmit_tcp_segs
+#define xmit_tcp_bytes100          u.stats_100.xmt100.xmit_tcp_bytes
+#define xmit_bytes100              u.stats_100.xmt100.xmit_bytes
+#define xmit_collisions100         u.stats_100.xmt100.xmit_collisions
+#define xmit_unicasts100           u.stats_100.xmt100.xmit_unicasts
+#define xmit_other_error100        u.stats_100.xmt100.xmit_other_error
+#define xmit_excess_collisions100  u.stats_100.xmt100.xmit_excess_collisions
+#define rcv_tcp_segs100            u.stats_100.rcv100.rcv_tcp_segs
+#define rcv_tcp_bytes100           u.stats_100.rcv100.rcv_tcp_bytes
+#define rcv_bytes100               u.stats_100.rcv100.rcv_bytes
+#define rcv_unicasts100            u.stats_100.rcv100.rcv_unicasts
+#define rcv_other_error100         u.stats_100.rcv100.rcv_other_error
+#define rcv_drops100               u.stats_100.rcv100.rcv_drops
+#define xmit_tcp_segs_gb           u.stats_GB.xmtGB.xmit_tcp_segs
+#define xmit_tcp_bytes_gb          u.stats_GB.xmtGB.xmit_tcp_bytes
+#define xmit_bytes_gb              u.stats_GB.xmtGB.xmit_bytes
+#define xmit_collisions_gb         u.stats_GB.xmtGB.xmit_collisions
+#define xmit_unicasts_gb           u.stats_GB.xmtGB.xmit_unicasts
+#define xmit_other_error_gb        u.stats_GB.xmtGB.xmit_other_error
+#define xmit_excess_collisions_gb  u.stats_GB.xmtGB.xmit_excess_collisions
+
+#define rcv_tcp_segs_gb            u.stats_GB.rcvGB.rcv_tcp_segs
+#define rcv_tcp_bytes_gb           u.stats_GB.rcvGB.rcv_tcp_bytes
+#define rcv_bytes_gb               u.stats_GB.rcvGB.rcv_bytes
+#define rcv_unicasts_gb            u.stats_GB.rcvGB.rcv_unicasts
+#define rcv_other_error_gb         u.stats_GB.rcvGB.rcv_other_error
+#define rcv_drops_gb               u.stats_GB.rcvGB.rcv_drops
+
+typedef struct _slic_config_mac_t {
+    uchar        macaddrA[6];
+
+}   slic_config_mac_t, *pslic_config_mac_t;
+
+#define ATK_FRU_FORMAT        0x00
+#define VENDOR1_FRU_FORMAT    0x01
+#define VENDOR2_FRU_FORMAT    0x02
+#define VENDOR3_FRU_FORMAT    0x03
+#define VENDOR4_FRU_FORMAT    0x04
+#define NO_FRU_FORMAT         0xFF
+
+typedef struct _atk_fru_t {
+    uchar        assembly[6];
+    uchar        revision[2];
+    uchar        serial[14];
+    uchar        pad[3];
+} atk_fru_t, *patk_fru_t;
+
+typedef struct _vendor1_fru_t {
+    uchar        commodity;
+    uchar        assembly[4];
+    uchar        revision[2];
+    uchar        supplier[2];
+    uchar        date[2];
+    uchar        sequence[3];
+    uchar        pad[13];
+} vendor1_fru_t, *pvendor1_fru_t;
+
+typedef struct _vendor2_fru_t {
+    uchar        part[8];
+    uchar        supplier[5];
+    uchar        date[3];
+    uchar        sequence[4];
+    uchar        pad[7];
+} vendor2_fru_t, *pvendor2_fru_t;
+
+typedef struct _vendor3_fru_t {
+    uchar        assembly[6];
+    uchar        revision[2];
+    uchar        serial[14];
+    uchar        pad[3];
+} vendor3_fru_t, *pvendor3_fru_t;
+
+typedef struct _vendor4_fru_t {
+    uchar        number[8];
+    uchar        part[8];
+    uchar        version[8];
+    uchar        pad[3];
+} vendor4_fru_t, *pvendor4_fru_t;
+
+typedef union _oemfru_t {
+    vendor1_fru_t   vendor1_fru;
+    vendor2_fru_t   vendor2_fru;
+    vendor3_fru_t   vendor3_fru;
+    vendor4_fru_t   vendor4_fru;
+}  oemfru_t, *poemfru_t;
+
+/*
+   SLIC EEPROM structure for Mojave
+*/
+typedef struct _slic_eeprom {
+	ushort		Id;		/* 00 EEPROM/FLASH Magic code 'A5A5'*/
+	ushort		EecodeSize;	/* 01 Size of EEPROM Codes (bytes * 4)*/
+	ushort		FlashSize;	/* 02 Flash size */
+	ushort		EepromSize;	/* 03 EEPROM Size */
+	ushort		VendorId;	/* 04 Vendor ID */
+	ushort		DeviceId;	/* 05 Device ID */
+	uchar		RevisionId;	/* 06 Revision ID */
+	uchar		ClassCode[3];	/* 07 Class Code */
+	uchar		DbgIntPin;	/* 08 Debug Interrupt pin */
+	uchar		NetIntPin0;	/*    Network Interrupt Pin */
+	uchar		MinGrant;	/* 09 Minimum grant */
+	uchar		MaxLat;		/*    Maximum Latency */
+	ushort		PciStatus;	/* 10 PCI Status */
+	ushort		SubSysVId;	/* 11 Subsystem Vendor Id */
+	ushort		SubSysId;	/* 12 Subsystem ID */
+	ushort		DbgDevId;	/* 13 Debug Device Id */
+	ushort		DramRomFn;	/* 14 Dram/Rom function */
+	ushort		DSize2Pci;	/* 15 DRAM size to PCI (bytes * 64K) */
+	ushort	RSize2Pci;	/* 16 ROM extension size to PCI (bytes * 4k) */
+	uchar	NetIntPin1; /* 17 Network Interface Pin 1 (simba/leone only) */
+	uchar	NetIntPin2; /*    Network Interface Pin 2 (simba/leone only) */
+	union {
+		uchar	NetIntPin3;/* 18 Network Interface Pin 3 (simba only) */
+		uchar	FreeTime;/*    FreeTime setting (leone/mojave only) */
+	} u1;
+	uchar		TBIctl;	/*    10-bit interface control (Mojave only) */
+	ushort		DramSize;	/* 19 DRAM size (bytes * 64k) */
+	union {
+		struct {
+			/* Mac Interface Specific portions */
+			slic_config_mac_t	MacInfo[SLIC_NBR_MACS];
+		} mac;				/* MAC access for all boards */
+		struct {
+			/* use above struct for MAC access */
+			slic_config_mac_t	pad[SLIC_NBR_MACS - 1];
+			ushort		DeviceId2;	/* Device ID for 2nd
+								PCI function */
+			uchar		IntPin2;	/* Interrupt pin for
+							   2nd PCI function */
+			uchar		ClassCode2[3];	/* Class Code for 2nd
+								PCI function */
+		} mojave;	/* 2nd function access for gigabit board */
+	} u2;
+	ushort		CfgByte6;	/* Config Byte 6 */
+	ushort		PMECapab;	/* Power Mgment capabilities */
+	ushort		NwClkCtrls;	/* NetworkClockControls */
+	uchar		FruFormat;	/* Alacritech FRU format type */
+	atk_fru_t   AtkFru;		/* Alacritech FRU information */
+	uchar		OemFruFormat;	/* optional OEM FRU format type */
+    oemfru_t    OemFru;         /* optional OEM FRU information */
+	uchar		Pad[4];	/* Pad to 128 bytes - includes 2 cksum bytes
+				 *(if OEM FRU info exists) and two unusable
+				 * bytes at the end */
+} slic_eeprom_t, *pslic_eeprom_t;
+
+/* SLIC EEPROM structure for Oasis */
+typedef struct _oslic_eeprom_t {
+	ushort		Id;		/* 00 EEPROM/FLASH Magic code 'A5A5' */
+	ushort		EecodeSize;	/* 01 Size of EEPROM Codes (bytes * 4)*/
+	ushort		FlashConfig0;	/* 02 Flash Config for SPI device 0 */
+	ushort		FlashConfig1;	/* 03 Flash Config for SPI device 1 */
+	ushort		VendorId;	/* 04 Vendor ID */
+	ushort		DeviceId;	/* 05 Device ID (function 0) */
+	uchar		RevisionId;	/* 06 Revision ID */
+	uchar		ClassCode[3];	/* 07 Class Code for PCI function 0 */
+	uchar		IntPin1;	/* 08 Interrupt pin for PCI function 1*/
+	uchar		ClassCode2[3];	/* 09 Class Code for PCI function 1 */
+	uchar		IntPin2;	/* 10 Interrupt pin for PCI function 2*/
+	uchar		IntPin0;	/*    Interrupt pin for PCI function 0*/
+	uchar		MinGrant;	/* 11 Minimum grant */
+	uchar		MaxLat;		/*    Maximum Latency */
+	ushort		SubSysVId;	/* 12 Subsystem Vendor Id */
+	ushort		SubSysId;	/* 13 Subsystem ID */
+	ushort		FlashSize;	/* 14 Flash size (bytes / 4K) */
+	ushort		DSize2Pci;	/* 15 DRAM size to PCI (bytes / 64K) */
+	ushort		RSize2Pci;	/* 16 Flash (ROM extension) size to
+						PCI (bytes / 4K) */
+	ushort		DeviceId1;	/* 17 Device Id (function 1) */
+	ushort		DeviceId2;	/* 18 Device Id (function 2) */
+	ushort		CfgByte6;	/* 19 Device Status Config Bytes 6-7 */
+	ushort		PMECapab;	/* 20 Power Mgment capabilities */
+	uchar		MSICapab;	/* 21 MSI capabilities */
+	uchar		ClockDivider;	/*    Clock divider */
+	ushort		PciStatusLow;	/* 22 PCI Status bits 15:0 */
+	ushort		PciStatusHigh;	/* 23 PCI Status bits 31:16 */
+	ushort		DramConfigLow;	/* 24 DRAM Configuration bits 15:0 */
+	ushort		DramConfigHigh;	/* 25 DRAM Configuration bits 31:16 */
+	ushort		DramSize;	/* 26 DRAM size (bytes / 64K) */
+	ushort		GpioTbiCtl;/* 27 GPIO/TBI controls for functions 1/0 */
+	ushort		EepromSize;		/* 28 EEPROM Size */
+	slic_config_mac_t	MacInfo[2];	/* 29 MAC addresses (2 ports) */
+	uchar		FruFormat;	/* 35 Alacritech FRU format type */
+	atk_fru_t	AtkFru;		/* Alacritech FRU information */
+	uchar		OemFruFormat;	/* optional OEM FRU format type */
+	oemfru_t    OemFru;         /* optional OEM FRU information */
+	uchar		Pad[4];	/* Pad to 128 bytes - includes 2 checksum bytes
+				 * (if OEM FRU info exists) and two unusable
+				 * bytes at the end
+				 */
+} oslic_eeprom_t, *poslic_eeprom_t;
+
+#define	MAX_EECODE_SIZE	sizeof(slic_eeprom_t)
+#define MIN_EECODE_SIZE	0x62	/* code size without optional OEM FRU stuff */
+
+/* SLIC CONFIG structure
+
+ This structure lives in the CARD structure and is valid for all
+ board types.  It is filled in from the appropriate EEPROM structure
+ by SlicGetConfigData().
+*/
+typedef struct _slic_config_t {
+	boolean		EepromValid;	/* Valid EEPROM flag (checksum good?) */
+	ushort		DramSize;	/* DRAM size (bytes / 64K) */
+	slic_config_mac_t	MacInfo[SLIC_NBR_MACS];	/* MAC addresses */
+	uchar		FruFormat;	/* Alacritech FRU format type */
+	atk_fru_t	AtkFru;		/* Alacritech FRU information */
+	uchar		OemFruFormat;	/* optional OEM FRU format type */
+    union {
+      vendor1_fru_t   vendor1_fru;
+      vendor2_fru_t   vendor2_fru;
+      vendor3_fru_t   vendor3_fru;
+      vendor4_fru_t   vendor4_fru;
+    } OemFru;
+} slic_config_t, *pslic_config_t;
+
+#pragma pack()
+
+#endif
diff --git a/drivers/staging/slicoss/slicinc.h b/drivers/staging/slicoss/slicinc.h
new file mode 100644
index 00000000000..9910306ac33
--- /dev/null
+++ b/drivers/staging/slicoss/slicinc.h
@@ -0,0 +1,221 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: slicinc.h,v 1.4 2006/07/14 16:42:56 mook Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: slicinc.h
+ *
+ * This file contains all other include files and prototype definitions
+ * for the SLICOSS driver.
+ */
+#ifndef _SLIC_INCLUDE_H_
+#define _SLIC_INCLUDE_H_
+
+#include "slic_os.h"
+#include "slicdbg.h"
+#include "slichw.h"
+#include "slic.h"
+
+int slic_entry_probe(struct pci_dev              *pcidev,
+			const struct pci_device_id  *ent);
+int slic_init(struct pci_dev           *pcidev,
+	const struct pci_device_id     *pci_tbl_entry,
+	long                      memaddr,
+	int                       chip_idx,
+	int                       acpi_idle_state);
+void slic_entry_remove(struct pci_dev *pcidev);
+
+void slic_init_driver(void);
+int  slic_entry_open(struct net_device *dev);
+int  slic_entry_halt(struct net_device *dev);
+int  slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+int  slic_xmit_start(struct sk_buff *skb, struct net_device *dev);
+void slic_xmit_fail(p_adapter_t        adapter,
+			struct sk_buff   *skb,
+			pvoid              cmd,
+			ulong32              skbtype,
+			ulong32              status);
+void slic_xmit_timeout(struct net_device *dev);
+void slic_config_pci(struct pci_dev *pcidev);
+struct sk_buff *slic_rcvqueue_getnext(p_adapter_t  adapter);
+
+inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush);
+inline void slic_reg64_write(p_adapter_t adapter, void __iomem *reg,
+	ulong32 value, void __iomem *regh, ulong32 paddrh, uint flush);
+inline ulong32 slic_reg32_read(pulong32 reg, uint flush);
+inline ulong32 slic_reg16_read(pulong32 reg, uint flush);
+
+#if SLIC_GET_STATS_ENABLED
+struct net_device_stats *slic_get_stats(struct net_device *dev);
+#endif
+
+int slic_mac_set_address(struct net_device *dev, pvoid ptr);
+
+int slicproc_card_read(char *page, char **start, off_t off, int count,
+			int *eof, void *data);
+int slicproc_card_write(struct file *file, const char __user *buffer,
+			ulong count, void *data);
+void slicproc_card_create(p_sliccard_t card);
+void slicproc_card_destroy(p_sliccard_t card);
+int slicproc_adapter_read(char *page, char **start, off_t off, int count,
+			int *eof, void *data);
+int slicproc_adapter_write(struct file *file, const char __user *buffer,
+			ulong count, void *data);
+void slicproc_adapter_create(p_adapter_t adapter);
+void slicproc_adapter_destroy(p_adapter_t adapter);
+void slicproc_create(void);
+void slicproc_destroy(void);
+
+void slic_interrupt_process(p_adapter_t  adapter, ulong32 isr);
+void slic_rcv_handler(p_adapter_t  adapter);
+void slic_upr_handler(p_adapter_t  adapter);
+void slic_link_event_handler(p_adapter_t  adapter);
+void slic_xmit_complete(p_adapter_t  adapter);
+void slic_upr_request_complete(p_adapter_t  adapter, ulong32 isr);
+int   slic_rspqueue_init(p_adapter_t  adapter);
+int   slic_rspqueue_reset(p_adapter_t  adapter);
+void  slic_rspqueue_free(p_adapter_t  adapter);
+p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t  adapter);
+void  slic_cmdqmem_init(p_adapter_t  adapter);
+void  slic_cmdqmem_free(p_adapter_t  adapter);
+pulong32 slic_cmdqmem_addpage(p_adapter_t  adapter);
+int   slic_cmdq_init(p_adapter_t  adapter);
+void  slic_cmdq_free(p_adapter_t  adapter);
+void  slic_cmdq_reset(p_adapter_t  adapter);
+void  slic_cmdq_addcmdpage(p_adapter_t  adapter, pulong32 page);
+void  slic_cmdq_getdone(p_adapter_t  adapter);
+void  slic_cmdq_putdone(p_adapter_t  adapter, p_slic_hostcmd_t cmd);
+void  slic_cmdq_putdone_irq(p_adapter_t  adapter, p_slic_hostcmd_t cmd);
+p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t  adapter);
+int   slic_rcvqueue_init(p_adapter_t  adapter);
+int   slic_rcvqueue_reset(p_adapter_t  adapter);
+int   slic_rcvqueue_fill(p_adapter_t  adapter);
+ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb);
+void  slic_rcvqueue_free(p_adapter_t  adapter);
+void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t    rcvbuf);
+void slic_adapter_set_hwaddr(p_adapter_t adapter);
+void slic_card_halt(p_sliccard_t card, p_adapter_t adapter);
+int slic_card_init(p_sliccard_t card, p_adapter_t adapter);
+void slic_intagg_set(p_adapter_t  adapter, ulong32 value);
+int  slic_card_download(p_adapter_t  adapter);
+ulong32 slic_card_locate(p_adapter_t  adapter);
+int  slic_card_removeadapter(p_adapter_t  adapter);
+void slic_card_remaster(p_adapter_t  adapter);
+void slic_card_softreset(p_adapter_t  adapter);
+void slic_card_up(p_adapter_t  adapter);
+void slic_card_down(p_adapter_t  adapter);
+
+void slic_if_stop_queue(p_adapter_t adapter);
+void slic_if_start_queue(p_adapter_t adapter);
+int  slic_if_init(p_adapter_t  adapter);
+void slic_adapter_close(p_adapter_t  adapter);
+int  slic_adapter_allocresources(p_adapter_t  adapter);
+void slic_adapter_freeresources(p_adapter_t  adapter);
+void slic_link_config(p_adapter_t  adapter, ulong32 linkspeed,
+			ulong32 linkduplex);
+void slic_unmap_mmio_space(p_adapter_t adapter);
+void slic_card_cleanup(p_sliccard_t card);
+void slic_init_cleanup(p_adapter_t adapter);
+void slic_card_reclaim_buffers(p_adapter_t adapter);
+void slic_soft_reset(p_adapter_t adapter);
+void slic_card_reset(p_adapter_t adapter);
+boolean slic_mac_filter(p_adapter_t  adapter, p_ether_header ether_frame);
+void slic_mac_address_config(p_adapter_t  adapter);
+void slic_mac_config(p_adapter_t  adapter);
+void slic_mcast_set_mask(p_adapter_t  adapter);
+void slic_mac_setmcastaddrs(p_adapter_t  adapter);
+int slic_mcast_add_list(p_adapter_t adapter, pchar address);
+uchar slic_mcast_get_mac_hash(pchar macaddr);
+void  slic_mcast_set_bit(p_adapter_t adapter, pchar address);
+void slic_config_set(p_adapter_t adapter, boolean linkchange);
+void slic_config_clear(p_adapter_t  adapter);
+void slic_config_get(p_adapter_t  adapter, ulong32 config, ulong32 configh);
+void slic_timer_get_stats(ulong device);
+void slic_timer_load_check(ulong context);
+void slic_timer_ping(ulong dev);
+void slic_stall_msec(int stall);
+void slic_stall_usec(int stall);
+void slic_assert_fail(void);
+ushort slic_eeprom_cksum(pchar m, int len);
+/* upr */
+void slic_upr_start(p_adapter_t  adapter);
+void slic_link_upr_complete(p_adapter_t  adapter, ulong32 Isr);
+int  slic_upr_request(p_adapter_t      adapter,
+			ulong32            upr_request,
+			ulong32            upr_data,
+			ulong32            upr_data_h,
+			ulong32            upr_buffer,
+			ulong32            upr_buffer_h);
+int  slic_upr_queue_request(p_adapter_t      adapter,
+				ulong32            upr_request,
+				ulong32            upr_data,
+				ulong32            upr_data_h,
+				ulong32            upr_buffer,
+				ulong32            upr_buffer_h);
+void slic_mcast_set_list(struct net_device *dev);
+void  slic_mcast_init_crc32(void);
+
+#if SLIC_DUMP_ENABLED
+int   slic_dump_thread(void *context);
+uint  slic_init_dump_thread(p_sliccard_t card);
+uchar slic_get_dump_index(pchar path);
+ulong32 slic_dump_card(p_sliccard_t card, boolean resume);
+ulong32 slic_dump_halt(p_sliccard_t card, uchar proc);
+ulong32 slic_dump_reg(p_sliccard_t card, uchar proc);
+ulong32 slic_dump_data(p_sliccard_t card, ulong32 addr,
+			ushort count, uchar desc);
+ulong32 slic_dump_queue(p_sliccard_t card, ulong32 buf_phys,
+			ulong32 buf_physh, ulong32 queue);
+ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue);
+ulong32 slic_dump_cam(p_sliccard_t card, ulong32 addr,
+			ulong32 count, uchar desc);
+
+ulong32 slic_dump_resume(p_sliccard_t card, uchar proc);
+ulong32 slic_dump_send_cmd(p_sliccard_t card, ulong32 cmd_phys,
+				ulong32 cmd_physh, ulong32 buf_phys,
+				ulong32 buf_physh);
+
+#define create_file(x)         STATUS_SUCCESS
+#define write_file(w, x, y, z) STATUS_SUCCESS
+#define close_file(x)          STATUS_SUCCESS
+#define read_file(w, x, y, z)  STATUS_SUCCESS
+#define open_file(x)           STATUS_SUCCESS
+
+/* PAGE_SIZE * 16 */
+#define DUMP_PAGE_SIZE         0xFFFF
+#define DUMP_PAGE_SIZE_HALF    0x7FFE
+#endif
+
+#endif /* _SLIC_INCLUDE_H_ */
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
new file mode 100644
index 00000000000..a8c264822de
--- /dev/null
+++ b/drivers/staging/slicoss/slicoss.c
@@ -0,0 +1,6074 @@
+/**************************************************************************
+ *
+ * Copyright  2000-2006 Alacritech, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: slicoss.c
+ *
+ * The SLICOSS driver for Alacritech's IS-NIC products.
+ *
+ * This driver is supposed to support:
+ *
+ *      Mojave cards (single port PCI Gigabit) both copper and fiber
+ *      Oasis cards (single and dual port PCI-x Gigabit) copper and fiber
+ *      Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber
+ *
+ * The driver was acutally tested on Oasis and Kalahari cards.
+ *
+ *
+ * NOTE: This is the standard, non-accelerated version of Alacritech's
+ *       IS-NIC driver.
+ */
+
+#include <linux/version.h>
+
+#define SLIC_DUMP_ENABLED               0
+#define KLUDGE_FOR_4GB_BOUNDARY         1
+#define DEBUG_MICROCODE                 1
+#define SLIC_PRODUCTION_BUILD	        1
+#define SLIC_FAILURE_RESET	            1
+#define DBG                             1
+#define SLIC_ASSERT_ENABLED		        1
+#define SLIC_GET_STATS_ENABLED			1
+#define SLIC_GET_STATS_TIMER_ENABLED	0
+#define SLIC_PING_TIMER_ENABLED		    1
+#define SLIC_POWER_MANAGEMENT_ENABLED	0
+#define SLIC_INTERRUPT_PROCESS_LIMIT	1
+#define LINUX_FREES_ADAPTER_RESOURCES	1
+#define SLIC_OFFLOAD_IP_CHECKSUM		1
+#define STATS_TIMER_INTERVAL			2
+#define PING_TIMER_INTERVAL			    1
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/io.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/kthread.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/mii.h>
+#include <linux/if_vlan.h>
+#include <linux/skbuff.h>
+#include <linux/string.h>
+#include <asm/unaligned.h>
+
+#include <linux/ethtool.h>
+#define SLIC_ETHTOOL_SUPPORT     1
+
+#include <linux/uaccess.h>
+#include "slicinc.h"
+#include "gbdownload.h"
+#include "gbrcvucode.h"
+#include "oasisrcvucode.h"
+
+#ifdef DEBUG_MICROCODE
+#include "oasisdbgdownload.h"
+#else
+#include "oasisdownload.h"
+#endif
+
+#if SLIC_DUMP_ENABLED
+#include "slicdump.h"
+#endif
+
+#define SLIC_POWER_MANAGEMENT  0
+
+static uint slic_first_init = 1;
+static char *slic_banner = "Alacritech SLIC Technology(tm) Server "\
+		"and Storage Accelerator (Non-Accelerated)\n";
+
+static char *slic_proc_version = "2.0.351  2006/07/14 12:26:00";
+static char *slic_product_name = "SLIC Technology(tm) Server "\
+		"and Storage Accelerator (Non-Accelerated)";
+static char *slic_vendor = "Alacritech, Inc.";
+
+static int slic_debug = 1;
+static int debug = -1;
+static struct net_device *head_netdevice;
+
+base_driver_t slic_global = { {}, 0, 0, 0, 1, NULL, NULL };
+static int intagg_delay = 100;
+static u32 dynamic_intagg;
+static int errormsg;
+static int goodmsg;
+static unsigned int rcv_count;
+static struct dentry *slic_debugfs;
+
+#define DRV_NAME          "slicoss"
+#define DRV_VERSION       "2.0.1"
+#define DRV_AUTHOR        "Alacritech, Inc. Engineering"
+#define DRV_DESCRIPTION   "Alacritech SLIC Techonology(tm) "\
+		"Non-Accelerated Driver"
+#define DRV_COPYRIGHT     "Copyright  2000-2006 Alacritech, Inc. "\
+		"All rights reserved."
+#define PFX		   DRV_NAME " "
+
+MODULE_AUTHOR(DRV_AUTHOR);
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_LICENSE("Dual BSD/GPL");
+
+module_param(dynamic_intagg, int, 0);
+MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting");
+module_param(intagg_delay, int, 0);
+MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay");
+
+static struct pci_device_id slic_pci_tbl[] __devinitdata = {
+	{PCI_VENDOR_ID_ALACRITECH,
+	 SLIC_1GB_DEVICE_ID,
+	 PCI_ANY_ID, PCI_ANY_ID,},
+	{PCI_VENDOR_ID_ALACRITECH,
+	 SLIC_2GB_DEVICE_ID,
+	 PCI_ANY_ID, PCI_ANY_ID,},
+	{0,}
+};
+
+MODULE_DEVICE_TABLE(pci, slic_pci_tbl);
+
+#define SLIC_GET_SLIC_HANDLE(_adapter, _pslic_handle)                   \
+{                                                                       \
+    SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+    _pslic_handle  =  _adapter->pfree_slic_handles;                     \
+    if (_pslic_handle) {                                                \
+	ASSERT(_pslic_handle->type == SLIC_HANDLE_FREE);                \
+	_adapter->pfree_slic_handles = _pslic_handle->next;             \
+    }                                                                   \
+    SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+}
+
+#define SLIC_FREE_SLIC_HANDLE(_adapter, _pslic_handle)                  \
+{                                                                       \
+    _pslic_handle->type = SLIC_HANDLE_FREE;                             \
+    SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+    _pslic_handle->next = _adapter->pfree_slic_handles;                 \
+    _adapter->pfree_slic_handles = _pslic_handle;                       \
+    SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+}
+
+static void slic_debug_init(void);
+static void slic_debug_cleanup(void);
+static void slic_debug_adapter_create(p_adapter_t adapter);
+static void slic_debug_adapter_destroy(p_adapter_t adapter);
+static void slic_debug_card_create(p_sliccard_t card);
+static void slic_debug_card_destroy(p_sliccard_t card);
+
+inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush)
+{
+	writel(value, reg);
+	if (flush)
+		mb();
+}
+
+inline void slic_reg64_write(p_adapter_t adapter,
+			       void __iomem *reg,
+			       ulong32 value,
+			       void __iomem *regh, ulong32 paddrh, uint flush)
+{
+	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock);
+	if (paddrh != adapter->curaddrupper) {
+		adapter->curaddrupper = paddrh;
+		writel(paddrh, regh);
+	}
+	writel(value, reg);
+	if (flush)
+		mb();
+	SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock);
+}
+
+inline ulong32 slic_reg32_read(u32 __iomem *reg, uint flush)
+{
+	return readl(reg);
+}
+
+inline ulong32 slic_reg16_read(pulong32 reg, uint flush)
+{
+	return (ushort) readw(reg);
+}
+
+void slic_init_driver(void)
+{
+	if (slic_first_init) {
+		DBG_MSG("slicoss: %s slic_first_init set jiffies[%lx]\n",
+			__func__, jiffies);
+		slic_first_init = 0;
+		SLIC_INIT_SPINLOCK(slic_global.driver_lock);
+		slic_debug_init();
+	}
+}
+
+static void slic_dbg_macaddrs(p_adapter_t adapter)
+{
+	DBG_MSG("  (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		adapter->netdev->name, adapter->currmacaddr[0],
+		adapter->currmacaddr[1], adapter->currmacaddr[2],
+		adapter->currmacaddr[3], adapter->currmacaddr[4],
+		adapter->currmacaddr[5]);
+	DBG_MSG("  (%s) mac  %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		adapter->netdev->name, adapter->macaddr[0],
+		adapter->macaddr[1], adapter->macaddr[2],
+		adapter->macaddr[3], adapter->macaddr[4], adapter->macaddr[5]);
+	return;
+}
+
+#ifdef DEBUG_REGISTER_TRACE
+static void slic_dbg_register_trace(p_adapter_t adapter, p_sliccard_t card)
+{
+	uint i;
+
+	DBG_ERROR("Dump Register Write Trace: curr_ix == %d\n", card->debug_ix);
+	for (i = 0; i < 32; i++) {
+		DBG_ERROR("%2d %d %4x %x %x\n",
+			  i, card->reg_type[i], card->reg_offset[i],
+			  card->reg_value[i], card->reg_valueh[i]);
+	}
+}
+}
+#endif
+
+static void slic_init_adapter(struct net_device *netdev,
+			      struct pci_dev *pcidev,
+			      const struct pci_device_id *pci_tbl_entry,
+			      void __iomem *memaddr, int chip_idx)
+{
+	ushort index;
+	pslic_handle_t pslic_handle;
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(netdev);
+
+/*
+    DBG_MSG("slicoss: %s (%s)\n    netdev [%p]\n    adapter[%p]\n    "
+	    "pcidev [%p]\n", __func__, netdev->name, netdev, adapter, pcidev);*/
+/*	adapter->pcidev = pcidev;*/
+	adapter->vendid = pci_tbl_entry->vendor;
+	adapter->devid = pci_tbl_entry->device;
+	adapter->subsysid = pci_tbl_entry->subdevice;
+	adapter->busnumber = pcidev->bus->number;
+	adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
+	adapter->functionnumber = (pcidev->devfn & 0x7);
+	adapter->memorylength = pci_resource_len(pcidev, 0);
+	adapter->slic_regs = (p_slic_regs_t) memaddr;
+	adapter->irq = pcidev->irq;
+/*	adapter->netdev = netdev;*/
+	adapter->next_netdevice = head_netdevice;
+	head_netdevice = netdev;
+	adapter->chipid = chip_idx;
+	adapter->port = 0;	/*adapter->functionnumber;*/
+	adapter->cardindex = adapter->port;
+	adapter->memorybase = memaddr;
+	SLIC_INIT_SPINLOCK(adapter->upr_lock);
+	SLIC_INIT_SPINLOCK(adapter->bit64reglock);
+	SLIC_INIT_SPINLOCK(adapter->adapter_lock);
+	SLIC_INIT_SPINLOCK(adapter->reset_lock);
+	SLIC_INIT_SPINLOCK(adapter->handle_lock);
+
+	adapter->card_size = 1;
+	/*
+	  Initialize slic_handle array
+	*/
+	ASSERT(SLIC_CMDQ_MAXCMDS <= 0xFFFF);
+	/*
+	 Start with 1.  0 is an invalid host handle.
+	*/
+	for (index = 1, pslic_handle = &adapter->slic_handles[1];
+	     index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) {
+
+		pslic_handle->token.handle_index = index;
+		pslic_handle->type = SLIC_HANDLE_FREE;
+		pslic_handle->next = adapter->pfree_slic_handles;
+		adapter->pfree_slic_handles = pslic_handle;
+	}
+/*
+    DBG_MSG(".........\nix[%d] phandle[%p] pfree[%p] next[%p]\n",
+	index, pslic_handle, adapter->pfree_slic_handles, pslic_handle->next);*/
+	adapter->pshmem = (p_slic_shmem_t) pci_alloc_consistent(adapter->pcidev,
+								sizeof
+								(slic_shmem_t),
+								&adapter->
+								phys_shmem);
+/*
+      DBG_MSG("slicoss: %s (%s)\n   pshmem    [%p]\n   phys_shmem[%p]\n"\
+		"slic_regs [%p]\n", __func__, netdev->name, adapter->pshmem,
+		(pvoid)adapter->phys_shmem, adapter->slic_regs);
+*/
+	ASSERT(adapter->pshmem);
+
+	SLIC_ZERO_MEMORY(adapter->pshmem, sizeof(slic_shmem_t));
+
+	return;
+}
+
+int __devinit slic_entry_probe(struct pci_dev *pcidev,
+			       const struct pci_device_id *pci_tbl_entry)
+{
+	static int cards_found;
+	static int did_version;
+	int err;
+	struct net_device *netdev;
+	p_adapter_t adapter;
+	void __iomem *memmapped_ioaddr = NULL;
+	ulong32 status = 0;
+	ulong mmio_start = 0;
+	ulong mmio_len = 0;
+	p_sliccard_t card = NULL;
+
+	DBG_MSG("slicoss: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n",
+		__func__, jiffies, smp_processor_id());
+
+	slic_global.dynamic_intagg = dynamic_intagg;
+
+	err = pci_enable_device(pcidev);
+
+	DBG_MSG("Call pci_enable_device(%p)  status[%x]\n", pcidev, err);
+	if (err)
+		return err;
+
+	if (slic_debug > 0 && did_version++ == 0) {
+		printk(slic_banner);
+		printk(slic_proc_version);
+	}
+
+	err = pci_set_dma_mask(pcidev, DMA_64BIT_MASK);
+	if (!err) {
+		DBG_MSG("pci_set_dma_mask(DMA_64BIT_MASK) successful\n");
+	} else {
+		err = pci_set_dma_mask(pcidev, DMA_32BIT_MASK);
+		if (err) {
+			DBG_MSG
+			    ("No usable DMA configuration, aborting  err[%x]\n",
+			     err);
+			return err;
+		}
+		DBG_MSG("pci_set_dma_mask(DMA_32BIT_MASK) successful\n");
+	}
+
+	DBG_MSG("Call pci_request_regions\n");
+
+	err = pci_request_regions(pcidev, DRV_NAME);
+	if (err) {
+		DBG_MSG("pci_request_regions FAILED err[%x]\n", err);
+		return err;
+	}
+
+	DBG_MSG("call pci_set_master\n");
+	pci_set_master(pcidev);
+
+	DBG_MSG("call alloc_etherdev\n");
+	netdev = alloc_etherdev(sizeof(adapter_t));
+	if (!netdev) {
+		err = -ENOMEM;
+		goto err_out_exit_slic_probe;
+	}
+	DBG_MSG("alloc_etherdev for slic netdev[%p]\n", netdev);
+
+	SET_NETDEV_DEV(netdev, &pcidev->dev);
+
+	pci_set_drvdata(pcidev, netdev);
+	adapter = netdev_priv(netdev);
+	adapter->netdev = netdev;
+	adapter->pcidev = pcidev;
+
+	mmio_start = pci_resource_start(pcidev, 0);
+	mmio_len = pci_resource_len(pcidev, 0);
+
+	DBG_MSG("slicoss: call ioremap(mmio_start[%lx], mmio_len[%lx])\n",
+		mmio_start, mmio_len);
+
+/*  memmapped_ioaddr =  (ulong32)ioremap_nocache(mmio_start, mmio_len);*/
+	memmapped_ioaddr = ioremap(mmio_start, mmio_len);
+	DBG_MSG("slicoss: %s MEMMAPPED_IOADDR [%p]\n", __func__,
+		memmapped_ioaddr);
+	if (!memmapped_ioaddr) {
+		DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
+			  __func__, mmio_len, mmio_start);
+		goto err_out_free_mmio_region;
+	}
+
+	DBG_MSG
+	    ("slicoss: %s found Alacritech SLICOSS PCI, MMIO at %p, "\
+	    "start[%lx] len[%lx], IRQ %d.\n",
+	     __func__, memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq);
+
+	slic_config_pci(pcidev);
+
+	slic_init_driver();
+
+	slic_init_adapter(netdev,
+			  pcidev, pci_tbl_entry, memmapped_ioaddr, cards_found);
+
+	status = slic_card_locate(adapter);
+	if (status) {
+		DBG_ERROR("%s cannot locate card\n", __func__);
+		goto err_out_free_mmio_region;
+	}
+
+	card = adapter->card;
+
+	if (!adapter->allocated) {
+		card->adapters_allocated++;
+		adapter->allocated = 1;
+	}
+
+	DBG_MSG("slicoss: %s    card:             %p\n", __func__,
+		adapter->card);
+	DBG_MSG("slicoss: %s    card->adapter[%d] == [%p]\n", __func__,
+		(uint) adapter->port, adapter);
+	DBG_MSG("slicoss: %s    card->adapters_allocated [%d]\n", __func__,
+		card->adapters_allocated);
+	DBG_MSG("slicoss: %s    card->adapters_activated [%d]\n", __func__,
+		card->adapters_activated);
+
+	status = slic_card_init(card, adapter);
+
+	if (status != STATUS_SUCCESS) {
+		card->state = CARD_FAIL;
+		adapter->state = ADAPT_FAIL;
+		adapter->linkstate = LINK_DOWN;
+		DBG_ERROR("slic_card_init FAILED status[%x]\n", status);
+	} else {
+		slic_adapter_set_hwaddr(adapter);
+	}
+
+	netdev->base_addr = (unsigned long)adapter->memorybase;
+	netdev->irq = adapter->irq;
+	netdev->open = slic_entry_open;
+	netdev->stop = slic_entry_halt;
+	netdev->hard_start_xmit = slic_xmit_start;
+	netdev->do_ioctl = slic_ioctl;
+	netdev->set_mac_address = slic_mac_set_address;
+#if SLIC_GET_STATS_ENABLED
+	netdev->get_stats = slic_get_stats;
+#endif
+	netdev->set_multicast_list = slic_mcast_set_list;
+
+	slic_debug_adapter_create(adapter);
+
+	strcpy(netdev->name, "eth%d");
+	err = register_netdev(netdev);
+	if (err) {
+		DBG_ERROR("Cannot register net device, aborting.\n");
+		goto err_out_unmap;
+	}
+
+	DBG_MSG
+	    ("slicoss: addr 0x%lx, irq %d, MAC addr "\
+	     "%02X:%02X:%02X:%02X:%02X:%02X\n",
+	     mmio_start, /*pci_resource_start(pcidev, 0), */ pcidev->irq,
+	     netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
+	     netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
+
+	cards_found++;
+	DBG_MSG("slicoss: %s EXIT status[%x] jiffies[%lx] cpu %d\n",
+		__func__, status, jiffies, smp_processor_id());
+
+	return status;
+
+err_out_unmap:
+	iounmap(memmapped_ioaddr);
+
+err_out_free_mmio_region:
+	release_mem_region(mmio_start, mmio_len);
+
+err_out_exit_slic_probe:
+	DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __func__, jiffies,
+		  smp_processor_id());
+
+	return -ENODEV;
+}
+
+int slic_entry_open(struct net_device *dev)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	p_sliccard_t card = adapter->card;
+	ulong32 locked = 0;
+	int status;
+
+	ASSERT(adapter);
+	ASSERT(card);
+	DBG_MSG
+	    ("slicoss: %s adapter->activated[%d] card->adapters[%x] "\
+	     "allocd[%x]\n", __func__, adapter->activated,
+	     card->adapters_activated,
+	     card->adapters_allocated);
+	DBG_MSG
+	    ("slicoss: %s (%s): [jiffies[%lx] cpu %d] dev[%p] adapt[%p] "\
+	     "port[%d] card[%p]\n",
+	     __func__, adapter->netdev->name, jiffies, smp_processor_id(),
+	     adapter->netdev, adapter, adapter->port, card);
+
+	netif_stop_queue(adapter->netdev);
+
+	SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
+	locked = 1;
+	if (!adapter->activated) {
+		card->adapters_activated++;
+		slic_global.num_slic_ports_active++;
+		adapter->activated = 1;
+	}
+	status = slic_if_init(adapter);
+
+	if (status != STATUS_SUCCESS) {
+		if (adapter->activated) {
+			card->adapters_activated--;
+			slic_global.num_slic_ports_active--;
+			adapter->activated = 0;
+		}
+		if (locked) {
+			SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+			locked = 0;
+		}
+		return status;
+	}
+	DBG_MSG("slicoss: %s set card->master[%p] adapter[%p]\n", __func__,
+		card->master, adapter);
+	if (!card->master)
+		card->master = adapter;
+#if SLIC_DUMP_ENABLED
+	if (!(card->dumpthread_running))
+		init_waitqueue_head(&card->dump_wq);
+#endif
+
+	if (locked) {
+		SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+		locked = 0;
+	}
+#if SLIC_DUMP_ENABLED
+	if (!(card->dumpthread_running)) {
+		DBG_MSG("attempt to initialize dump thread\n");
+		status = slic_init_dump_thread(card);
+		/*
+		Even if the dump thread fails, we will continue at this point
+		*/
+	}
+#endif
+
+	return STATUS_SUCCESS;
+}
+
+void __devexit slic_entry_remove(struct pci_dev *pcidev)
+{
+	struct net_device *dev = pci_get_drvdata(pcidev);
+	ulong32 mmio_start = 0;
+	uint mmio_len = 0;
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	p_sliccard_t card;
+
+	ASSERT(adapter);
+	DBG_MSG("slicoss: %s ENTER dev[%p] adapter[%p]\n", __func__, dev,
+		adapter);
+	slic_adapter_freeresources(adapter);
+	slic_unmap_mmio_space(adapter);
+	DBG_MSG("slicoss: %s unregister_netdev\n", __func__);
+	unregister_netdev(dev);
+
+	mmio_start = pci_resource_start(pcidev, 0);
+	mmio_len = pci_resource_len(pcidev, 0);
+
+	DBG_MSG("slicoss: %s rel_region(0) start[%x] len[%x]\n", __func__,
+		mmio_start, mmio_len);
+	release_mem_region(mmio_start, mmio_len);
+
+	DBG_MSG("slicoss: %s iounmap dev->base_addr[%x]\n", __func__,
+		(uint) dev->base_addr);
+	iounmap((void __iomem *)dev->base_addr);
+	ASSERT(adapter->card);
+	card = adapter->card;
+	ASSERT(card->adapters_allocated);
+	card->adapters_allocated--;
+	adapter->allocated = 0;
+	DBG_MSG
+	    ("slicoss: %s init[%x] alloc[%x] card[%p] adapter[%p]\n",
+	     __func__, card->adapters_activated, card->adapters_allocated,
+	     card, adapter);
+	if (!card->adapters_allocated) {
+		p_sliccard_t curr_card = slic_global.slic_card;
+		if (curr_card == card) {
+			slic_global.slic_card = card->next;
+		} else {
+			while (curr_card->next != card)
+				curr_card = curr_card->next;
+			ASSERT(curr_card);
+			curr_card->next = card->next;
+		}
+		ASSERT(slic_global.num_slic_cards);
+		slic_global.num_slic_cards--;
+		slic_card_cleanup(card);
+	}
+	DBG_MSG("slicoss: %s deallocate device\n", __func__);
+	SLIC_DEALLOCATE_MEM(dev);
+	DBG_MSG("slicoss: %s EXIT\n", __func__);
+}
+
+int slic_entry_halt(struct net_device *dev)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	p_sliccard_t card = adapter->card;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
+	ASSERT(card);
+	DBG_MSG("slicoss: %s (%s) ENTER\n", __func__, dev->name);
+	DBG_MSG("slicoss: %s (%s) actvtd[%d] alloc[%d] state[%x] adapt[%p]\n",
+		__func__, dev->name, card->adapters_activated,
+		card->adapters_allocated, card->state, adapter);
+	slic_if_stop_queue(adapter);
+	adapter->state = ADAPT_DOWN;
+	adapter->linkstate = LINK_DOWN;
+	adapter->upr_list = NULL;
+	adapter->upr_busy = 0;
+	adapter->devflags_prev = 0;
+	DBG_MSG("slicoss: %s (%s) set adapter[%p] state to ADAPT_DOWN(%d)\n",
+		__func__, dev->name, adapter, adapter->state);
+	ASSERT(card->adapter[adapter->cardindex] == adapter);
+	WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
+	adapter->all_reg_writes++;
+	adapter->icr_reg_writes++;
+	slic_config_clear(adapter);
+	DBG_MSG("slicoss: %s (%s) dev[%p] adapt[%p] card[%p]\n",
+		__func__, dev->name, dev, adapter, card);
+	if (adapter->activated) {
+		card->adapters_activated--;
+		slic_global.num_slic_ports_active--;
+		adapter->activated = 0;
+	}
+#ifdef AUTOMATIC_RESET
+	WRITE_REG(slic_regs->slic_reset_iface, 0, FLUSH);
+#endif
+	/*
+	 *  Reset the adapter's rsp, cmd, and rcv queues
+	 */
+	slic_cmdq_reset(adapter);
+	slic_rspqueue_reset(adapter);
+	slic_rcvqueue_reset(adapter);
+
+#ifdef AUTOMATIC_RESET
+	if (!card->adapters_activated) {
+
+#if SLIC_DUMP_ENABLED
+		if (card->dumpthread_running) {
+			uint status;
+			DBG_MSG("attempt to terminate dump thread pid[%x]\n",
+				card->dump_task_id);
+			status = kill_proc(card->dump_task_id->pid, SIGKILL, 1);
+
+			if (!status) {
+				int count = 10 * 100;
+				while (card->dumpthread_running && --count) {
+					current->state = TASK_INTERRUPTIBLE;
+					schedule_timeout(1);
+				}
+
+				if (!count) {
+					DBG_MSG
+					    ("slicmon thread cleanup FAILED \
+					     pid[%x]\n",
+					     card->dump_task_id->pid);
+				}
+			}
+		}
+#endif
+		DBG_MSG("slicoss: %s (%s) initiate CARD_HALT\n", __func__,
+			dev->name);
+
+		slic_card_init(card, adapter);
+	}
+#endif
+
+	DBG_MSG("slicoss: %s (%s) EXIT\n", __func__, dev->name);
+	DBG_MSG("slicoss: %s EXIT\n", __func__);
+	SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+	return STATUS_SUCCESS;
+}
+
+int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	ASSERT(rq);
+/*
+      DBG_MSG("slicoss: %s cmd[%x] rq[%p] dev[%p]\n", __func__, cmd, rq, dev);
+*/
+	switch (cmd) {
+	case SIOCSLICSETINTAGG:
+		{
+			p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+			ulong32 data[7];
+			ulong32 intagg;
+
+			if (copy_from_user(data, rq->ifr_data, 28)) {
+				DBG_ERROR
+				    ("copy_from_user FAILED getting initial \
+				     params\n");
+				return -EFAULT;
+			}
+			intagg = data[0];
+			printk(KERN_EMERG
+			       "%s: set interrupt aggregation to %d\n",
+			       __func__, intagg);
+			slic_intagg_set(adapter, intagg);
+			return 0;
+		}
+#ifdef SLIC_USER_REQUEST_DUMP_ENABLED
+	case SIOCSLICDUMPCARD:
+		{
+			p_adapter_t adapter = (p_adapter_t) dev->priv;
+			p_sliccard_t card;
+
+			ASSERT(adapter);
+			ASSERT(adapter->card)
+			card = adapter->card;
+
+			DBG_IOCTL("slic_ioctl  SIOCSLIC_DUMP_CARD\n");
+
+			if (card->dump_requested == SLIC_DUMP_DONE) {
+				printk(SLICLEVEL
+				       "SLIC Card dump to be overwritten\n");
+				card->dump_requested = SLIC_DUMP_REQUESTED;
+			} else if ((card->dump_requested == SLIC_DUMP_REQUESTED)
+				   || (card->dump_requested ==
+				       SLIC_DUMP_IN_PROGRESS)) {
+				printk(SLICLEVEL
+				       "SLIC Card dump Requested but already \
+					in progress... ignore\n");
+			} else {
+				printk(SLICLEVEL
+				       "SLIC Card #%d Dump Requested\n",
+				       card->cardnum);
+				card->dump_requested = SLIC_DUMP_REQUESTED;
+			}
+			return 0;
+		}
+#endif
+
+#ifdef SLIC_TRACE_DUMP_ENABLED
+	case SIOCSLICTRACEDUMP:
+		{
+			ulong data[7];
+			ulong value;
+
+			DBG_IOCTL("slic_ioctl  SIOCSLIC_TRACE_DUMP\n");
+
+			if (copy_from_user(data, rq->ifr_data, 28)) {
+				PRINT_ERROR
+				    ("slic: copy_from_user FAILED getting \
+				     initial simba param\n");
+				return -EFAULT;
+			}
+
+			value = data[0];
+			if (tracemon_request == SLIC_DUMP_DONE) {
+				PRINT_ERROR
+				    ("ATK Diagnostic Trace Dump Requested\n");
+				tracemon_request = SLIC_DUMP_REQUESTED;
+				tracemon_request_type = value;
+				tracemon_timestamp = jiffies;
+			} else if ((tracemon_request == SLIC_DUMP_REQUESTED) ||
+				   (tracemon_request ==
+				    SLIC_DUMP_IN_PROGRESS)) {
+				PRINT_ERROR
+				    ("ATK Diagnostic Trace Dump Requested but \
+				     already in progress... ignore\n");
+			} else {
+				PRINT_ERROR
+				    ("ATK Diagnostic Trace Dump Requested\n");
+				tracemon_request = SLIC_DUMP_REQUESTED;
+				tracemon_request_type = value;
+				tracemon_timestamp = jiffies;
+			}
+			return 0;
+		}
+#endif
+#if SLIC_ETHTOOL_SUPPORT
+	case SIOCETHTOOL:
+		{
+			p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+			struct ethtool_cmd data;
+			struct ethtool_cmd ecmd;
+
+			ASSERT(adapter);
+/*                      DBG_MSG("slicoss: %s SIOCETHTOOL\n", __func__); */
+			if (copy_from_user(&ecmd, rq->ifr_data, sizeof(ecmd)))
+				return -EFAULT;
+
+			if (ecmd.cmd == ETHTOOL_GSET) {
+				data.supported =
+				    (SUPPORTED_10baseT_Half |
+				     SUPPORTED_10baseT_Full |
+				     SUPPORTED_100baseT_Half |
+				     SUPPORTED_100baseT_Full |
+				     SUPPORTED_Autoneg | SUPPORTED_MII);
+				data.port = PORT_MII;
+				data.transceiver = XCVR_INTERNAL;
+				data.phy_address = 0;
+				if (adapter->linkspeed == LINK_100MB)
+					data.speed = SPEED_100;
+				else if (adapter->linkspeed == LINK_10MB)
+					data.speed = SPEED_10;
+				else
+					data.speed = 0;
+
+				if (adapter->linkduplex == LINK_FULLD)
+					data.duplex = DUPLEX_FULL;
+				else
+					data.duplex = DUPLEX_HALF;
+
+				data.autoneg = AUTONEG_ENABLE;
+				data.maxtxpkt = 1;
+				data.maxrxpkt = 1;
+				if (copy_to_user
+				    (rq->ifr_data, &data, sizeof(data)))
+					return -EFAULT;
+
+			} else if (ecmd.cmd == ETHTOOL_SSET) {
+				if (!capable(CAP_NET_ADMIN))
+					return -EPERM;
+
+				if (adapter->linkspeed == LINK_100MB)
+					data.speed = SPEED_100;
+				else if (adapter->linkspeed == LINK_10MB)
+					data.speed = SPEED_10;
+				else
+					data.speed = 0;
+
+				if (adapter->linkduplex == LINK_FULLD)
+					data.duplex = DUPLEX_FULL;
+				else
+					data.duplex = DUPLEX_HALF;
+
+				data.autoneg = AUTONEG_ENABLE;
+				data.maxtxpkt = 1;
+				data.maxrxpkt = 1;
+				if ((ecmd.speed != data.speed) ||
+				    (ecmd.duplex != data.duplex)) {
+					ulong32 speed;
+					ulong32 duplex;
+
+					if (ecmd.speed == SPEED_10) {
+						speed = 0;
+						SLIC_DISPLAY
+						    ("%s: slic ETHTOOL set \
+						     link speed==10MB",
+						     dev->name);
+					} else {
+						speed = PCR_SPEED_100;
+						SLIC_DISPLAY
+						    ("%s: slic ETHTOOL set \
+						    link speed==100MB",
+						     dev->name);
+					}
+					if (ecmd.duplex == DUPLEX_FULL) {
+						duplex = PCR_DUPLEX_FULL;
+						SLIC_DISPLAY
+						    (": duplex==FULL\n");
+					} else {
+						duplex = 0;
+						SLIC_DISPLAY
+						    (": duplex==HALF\n");
+					}
+					slic_link_config(adapter,
+							 speed, duplex);
+					slic_link_event_handler(adapter);
+				}
+			}
+			return 0;
+		}
+#endif
+	default:
+/*              DBG_MSG("slicoss: %s UNSUPPORTED[%x]\n", __func__, cmd); */
+		return -EOPNOTSUPP;
+	}
+}
+
+#define  XMIT_FAIL_LINK_STATE               1
+#define  XMIT_FAIL_ZERO_LENGTH              2
+#define  XMIT_FAIL_HOSTCMD_FAIL             3
+
+static void slic_xmit_build_request(p_adapter_t adapter,
+			     p_slic_hostcmd_t hcmd, struct sk_buff *skb)
+{
+	p_slic_host64_cmd_t ihcmd;
+	ulong phys_addr;
+
+	ihcmd = &hcmd->cmd64;
+
+	ihcmd->flags = (adapter->port << IHFLG_IFSHFT);
+	ihcmd->command = IHCMD_XMT_REQ;
+	ihcmd->u.slic_buffers.totlen = skb->len;
+	phys_addr = SLIC_GET_DMA_ADDRESS_WRITE(adapter, skb->data, skb->len);
+	ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr);
+	ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
+	ihcmd->u.slic_buffers.bufs[0].length = skb->len;
+#if defined(CONFIG_X86_64)
+	hcmd->cmdsize = (ulong32) ((((ulong64)&ihcmd->u.slic_buffers.bufs[1] -
+				     (ulong64) hcmd) + 31) >> 5);
+#elif defined(CONFIG_X86)
+	hcmd->cmdsize = ((((ulong32) &ihcmd->u.slic_buffers.bufs[1] -
+			   (ulong32) hcmd) + 31) >> 5);
+#else
+	Stop Compilation;
+#endif
+}
+
+#define NORMAL_ETHFRAME     0
+
+int slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
+{
+	p_sliccard_t card;
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	p_slic_hostcmd_t hcmd = NULL;
+	ulong32 status = 0;
+	ulong32 skbtype = NORMAL_ETHFRAME;
+	pvoid offloadcmd = NULL;
+
+	card = adapter->card;
+	ASSERT(card);
+/*
+    DBG_ERROR("xmit_start (%s) ENTER skb[%p] len[%d] linkstate[%x] state[%x]\n",
+	adapter->netdev->name, skb, skb->len, adapter->linkstate,
+	 adapter->state);
+*/
+	if ((adapter->linkstate != LINK_UP) ||
+	    (adapter->state != ADAPT_UP) || (card->state != CARD_UP)) {
+		status = XMIT_FAIL_LINK_STATE;
+		goto xmit_fail;
+
+	} else if (skb->len == 0) {
+		status = XMIT_FAIL_ZERO_LENGTH;
+		goto xmit_fail;
+	}
+
+	if (skbtype == NORMAL_ETHFRAME) {
+		hcmd = slic_cmdq_getfree(adapter);
+		if (!hcmd) {
+			adapter->xmitq_full = 1;
+			status = XMIT_FAIL_HOSTCMD_FAIL;
+			goto xmit_fail;
+		}
+		ASSERT(hcmd->pslic_handle);
+		ASSERT(hcmd->cmd64.hosthandle ==
+		       hcmd->pslic_handle->token.handle_token);
+		hcmd->skb = skb;
+		hcmd->busy = 1;
+		hcmd->type = SLIC_CMD_DUMB;
+		if (skbtype == NORMAL_ETHFRAME)
+			slic_xmit_build_request(adapter, hcmd, skb);
+	}
+	adapter->stats.tx_packets++;
+	adapter->stats.tx_bytes += skb->len;
+
+#ifdef DEBUG_DUMP
+	if (adapter->kill_card) {
+		p_slic_host64_cmd_t ihcmd;
+
+		ihcmd = &hcmd->cmd64;
+
+		ihcmd->flags |= 0x40;
+		adapter->kill_card = 0;	/* only do this once */
+	}
+#endif
+	if (hcmd->paddrh == 0) {
+		WRITE_REG(adapter->slic_regs->slic_cbar,
+			  (hcmd->paddrl | hcmd->cmdsize), DONT_FLUSH);
+	} else {
+		WRITE_REG64(adapter,
+			    adapter->slic_regs->slic_cbar64,
+			    (hcmd->paddrl | hcmd->cmdsize),
+			    adapter->slic_regs->slic_addr_upper,
+			    hcmd->paddrh, DONT_FLUSH);
+	}
+xmit_done:
+	return 0;
+xmit_fail:
+	slic_xmit_fail(adapter, skb, offloadcmd, skbtype, status);
+	goto xmit_done;
+}
+
+void slic_xmit_fail(p_adapter_t adapter,
+		    struct sk_buff *skb,
+		    pvoid cmd, ulong32 skbtype, ulong32 status)
+{
+	if (adapter->xmitq_full)
+		slic_if_stop_queue(adapter);
+	if ((cmd == NULL) && (status <= XMIT_FAIL_HOSTCMD_FAIL)) {
+		switch (status) {
+		case XMIT_FAIL_LINK_STATE:
+			DBG_ERROR
+			    ("(%s) reject xmit skb[%p: %x] linkstate[%s] \
+			     adapter[%s:%d] card[%s:%d]\n",
+			     adapter->netdev->name, skb, skb->pkt_type,
+			     SLIC_LINKSTATE(adapter->linkstate),
+			     SLIC_ADAPTER_STATE(adapter->state), adapter->state,
+			     SLIC_CARD_STATE(adapter->card->state),
+			     adapter->card->state);
+			break;
+		case XMIT_FAIL_ZERO_LENGTH:
+			DBG_ERROR
+			    ("xmit_start skb->len == 0 skb[%p] type[%x]!!!! \n",
+			     skb, skb->pkt_type);
+			break;
+		case XMIT_FAIL_HOSTCMD_FAIL:
+			DBG_ERROR
+			    ("xmit_start skb[%p] type[%x] No host commands \
+			     available !!!! \n",
+			     skb, skb->pkt_type);
+			break;
+		default:
+			ASSERT(0);
+		}
+	}
+	dev_kfree_skb(skb);
+	adapter->stats.tx_dropped++;
+}
+
+void slic_xmit_timeout(struct net_device *dev)
+{
+	p_sliccard_t card;
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	ulong32 i;
+
+	ASSERT(adapter);
+	card = adapter->card;
+	ASSERT(card);
+	for (i = 0; i < card->card_size; i++) {
+		if (card->adapter[i])
+			slic_if_stop_queue(card->adapter[i]);
+	}
+	if (!card->reset_in_progress) {
+		DBG_ERROR
+		    ("%s card[%p] state[%x] adapter[%p] port[%d] state[%x]\n",
+		     __func__, card, card->state, adapter, adapter->port,
+		     adapter->state);
+		slic_card_reset(adapter);
+	}
+}
+
+void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf)
+{
+	p_slic_hddr_wds hdr = (p_slic_hddr_wds) rcvbuf->data;
+
+	if (adapter->devid != SLIC_1GB_DEVICE_ID) {
+		if (hdr->frame_status14 & VRHSTAT_802OE)
+			adapter->if_events.oflow802++;
+		if (hdr->frame_status14 & VRHSTAT_TPOFLO)
+			adapter->if_events.Tprtoflow++;
+		if (hdr->frame_status_b14 & VRHSTATB_802UE)
+			adapter->if_events.uflow802++;
+		if (hdr->frame_status_b14 & VRHSTATB_RCVE) {
+			adapter->if_events.rcvearly++;
+			adapter->stats.rx_fifo_errors++;
+		}
+		if (hdr->frame_status_b14 & VRHSTATB_BUFF) {
+			adapter->if_events.Bufov++;
+			adapter->stats.rx_over_errors++;
+		}
+		if (hdr->frame_status_b14 & VRHSTATB_CARRE) {
+			adapter->if_events.Carre++;
+			adapter->stats.tx_carrier_errors++;
+		}
+		if (hdr->frame_status_b14 & VRHSTATB_LONGE)
+			adapter->if_events.Longe++;
+		if (hdr->frame_status_b14 & VRHSTATB_PREA)
+			adapter->if_events.Invp++;
+		if (hdr->frame_status_b14 & VRHSTATB_CRC) {
+			adapter->if_events.Crc++;
+			adapter->stats.rx_crc_errors++;
+		}
+		if (hdr->frame_status_b14 & VRHSTATB_DRBL)
+			adapter->if_events.Drbl++;
+		if (hdr->frame_status_b14 & VRHSTATB_CODE)
+			adapter->if_events.Code++;
+		if (hdr->frame_status_b14 & VRHSTATB_TPCSUM)
+			adapter->if_events.TpCsum++;
+		if (hdr->frame_status_b14 & VRHSTATB_TPHLEN)
+			adapter->if_events.TpHlen++;
+		if (hdr->frame_status_b14 & VRHSTATB_IPCSUM)
+			adapter->if_events.IpCsum++;
+		if (hdr->frame_status_b14 & VRHSTATB_IPLERR)
+			adapter->if_events.IpLen++;
+		if (hdr->frame_status_b14 & VRHSTATB_IPHERR)
+			adapter->if_events.IpHlen++;
+	} else {
+		if (hdr->frame_statusGB & VGBSTAT_XPERR) {
+			ulong32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
+
+			if (xerr == VGBSTAT_XCSERR)
+				adapter->if_events.TpCsum++;
+			if (xerr == VGBSTAT_XUFLOW)
+				adapter->if_events.Tprtoflow++;
+			if (xerr == VGBSTAT_XHLEN)
+				adapter->if_events.TpHlen++;
+		}
+		if (hdr->frame_statusGB & VGBSTAT_NETERR) {
+			ulong32 nerr =
+			    (hdr->
+			     frame_statusGB >> VGBSTAT_NERRSHFT) &
+			    VGBSTAT_NERRMSK;
+			if (nerr == VGBSTAT_NCSERR)
+				adapter->if_events.IpCsum++;
+			if (nerr == VGBSTAT_NUFLOW)
+				adapter->if_events.IpLen++;
+			if (nerr == VGBSTAT_NHLEN)
+				adapter->if_events.IpHlen++;
+		}
+		if (hdr->frame_statusGB & VGBSTAT_LNKERR) {
+			ulong32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
+
+			if (lerr == VGBSTAT_LDEARLY)
+				adapter->if_events.rcvearly++;
+			if (lerr == VGBSTAT_LBOFLO)
+				adapter->if_events.Bufov++;
+			if (lerr == VGBSTAT_LCODERR)
+				adapter->if_events.Code++;
+			if (lerr == VGBSTAT_LDBLNBL)
+				adapter->if_events.Drbl++;
+			if (lerr == VGBSTAT_LCRCERR)
+				adapter->if_events.Crc++;
+			if (lerr == VGBSTAT_LOFLO)
+				adapter->if_events.oflow802++;
+			if (lerr == VGBSTAT_LUFLO)
+				adapter->if_events.uflow802++;
+		}
+	}
+	return;
+}
+
+#define TCP_OFFLOAD_FRAME_PUSHFLAG  0x10000000
+#define M_FAST_PATH                 0x0040
+
+void slic_rcv_handler(p_adapter_t adapter)
+{
+	struct sk_buff *skb;
+	p_slic_rcvbuf_t rcvbuf;
+	ulong32 frames = 0;
+
+	while ((skb = slic_rcvqueue_getnext(adapter))) {
+		ulong32 rx_bytes;
+
+		ASSERT(skb->head);
+		rcvbuf = (p_slic_rcvbuf_t) skb->head;
+		adapter->card->events++;
+		if (rcvbuf->status & IRHDDR_ERR) {
+			adapter->rx_errors++;
+			slic_rcv_handle_error(adapter, rcvbuf);
+			slic_rcvqueue_reinsert(adapter, skb);
+			continue;
+		}
+
+		if (!slic_mac_filter(adapter, (p_ether_header) rcvbuf->data)) {
+#if 0
+			DBG_MSG
+			    ("slicoss: %s (%s) drop frame due to mac filter\n",
+			     __func__, adapter->netdev->name);
+#endif
+			slic_rcvqueue_reinsert(adapter, skb);
+			continue;
+		}
+		skb_pull(skb, SLIC_RCVBUF_HEADSIZE);
+		rx_bytes = (rcvbuf->length & IRHDDR_FLEN_MSK);
+		skb_put(skb, rx_bytes);
+		adapter->stats.rx_packets++;
+		adapter->stats.rx_bytes += rx_bytes;
+#if SLIC_OFFLOAD_IP_CHECKSUM
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+#endif
+
+		skb->dev = adapter->netdev;
+		skb->protocol = eth_type_trans(skb, skb->dev);
+		netif_rx(skb);
+
+		++frames;
+#if SLIC_INTERRUPT_PROCESS_LIMIT
+		if (frames >= SLIC_RCVQ_MAX_PROCESS_ISR) {
+			adapter->rcv_interrupt_yields++;
+			break;
+		}
+#endif
+	}
+	adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames);
+}
+
+void slic_xmit_complete(p_adapter_t adapter)
+{
+	p_slic_hostcmd_t hcmd;
+	p_slic_rspbuf_t rspbuf;
+	ulong32 frames = 0;
+	slic_handle_word_t slic_handle_word;
+
+	do {
+		rspbuf = slic_rspqueue_getnext(adapter);
+		if (!rspbuf)
+			break;
+		adapter->xmit_completes++;
+		adapter->card->events++;
+		/*
+		 Get the complete host command buffer
+		*/
+		slic_handle_word.handle_token = rspbuf->hosthandle;
+		ASSERT(slic_handle_word.handle_index);
+		ASSERT(slic_handle_word.handle_index <= SLIC_CMDQ_MAXCMDS);
+		hcmd =
+		    (p_slic_hostcmd_t) adapter->slic_handles[slic_handle_word.
+							     handle_index].
+		    address;
+/*      hcmd = (p_slic_hostcmd_t) rspbuf->hosthandle; */
+		ASSERT(hcmd);
+		ASSERT(hcmd->pslic_handle ==
+		       &adapter->slic_handles[slic_handle_word.handle_index]);
+/*
+      DBG_ERROR("xmit_complete (%s)   hcmd[%p]  hosthandle[%x]\n",
+		adapter->netdev->name, hcmd, hcmd->cmd64.hosthandle);
+      DBG_ERROR("    skb[%p] len %d  hcmdtype[%x]\n", hcmd->skb,
+		hcmd->skb->len, hcmd->type);
+*/
+		if (hcmd->type == SLIC_CMD_DUMB) {
+			if (hcmd->skb)
+				dev_kfree_skb_irq(hcmd->skb);
+			slic_cmdq_putdone_irq(adapter, hcmd);
+		}
+		rspbuf->status = 0;
+		rspbuf->hosthandle = 0;
+		frames++;
+	} while (1);
+	adapter->max_isr_xmits = max(adapter->max_isr_xmits, frames);
+}
+
+static irqreturn_t slic_interrupt(int irq, void *dev_id)
+{
+	struct net_device *dev = (struct net_device *) dev_id;
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	ulong32 isr;
+
+	if ((adapter->pshmem) && (adapter->pshmem->isr)) {
+		WRITE_REG(adapter->slic_regs->slic_icr, ICR_INT_MASK, FLUSH);
+		isr = adapter->isrcopy = adapter->pshmem->isr;
+		adapter->pshmem->isr = 0;
+		adapter->num_isrs++;
+		switch (adapter->card->state) {
+		case CARD_UP:
+			if (isr & ~ISR_IO) {
+				if (isr & ISR_ERR) {
+					adapter->error_interrupts++;
+					if (isr & ISR_RMISS) {
+						int count;
+						int pre_count;
+						int errors;
+
+						p_slic_rcvqueue_t rcvq =
+						    &adapter->rcvqueue;
+
+						adapter->
+						    error_rmiss_interrupts++;
+						if (!rcvq->errors)
+							rcv_count = rcvq->count;
+						pre_count = rcvq->count;
+						errors = rcvq->errors;
+
+						while (rcvq->count <
+						       SLIC_RCVQ_FILLTHRESH) {
+							count =
+							    slic_rcvqueue_fill
+							    (adapter);
+							if (!count)
+								break;
+						}
+						DBG_MSG
+						    ("(%s): [%x] ISR_RMISS \
+						     initial[%x] pre[%x] \
+						     errors[%x] \
+						     post_count[%x]\n",
+						     adapter->netdev->name,
+						     isr, rcv_count, pre_count,
+						     errors, rcvq->count);
+					} else if (isr & ISR_XDROP) {
+						DBG_ERROR
+						    ("isr & ISR_ERR [%x] \
+						     ISR_XDROP \n",
+						     isr);
+					} else {
+						DBG_ERROR
+						    ("isr & ISR_ERR [%x]\n",
+						     isr);
+					}
+				}
+
+				if (isr & ISR_LEVENT) {
+					/*DBG_MSG("%s (%s)  ISR_LEVENT \n",
+					   __func__, adapter->netdev->name);*/
+					adapter->linkevent_interrupts++;
+					slic_link_event_handler(adapter);
+				}
+
+				if ((isr & ISR_UPC) ||
+				    (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
+					adapter->upr_interrupts++;
+					slic_upr_request_complete(adapter, isr);
+				}
+			}
+
+			if (isr & ISR_RCV) {
+				adapter->rcv_interrupts++;
+				slic_rcv_handler(adapter);
+			}
+
+			if (isr & ISR_CMD) {
+				adapter->xmit_interrupts++;
+				slic_xmit_complete(adapter);
+			}
+			break;
+
+		case CARD_DOWN:
+			if ((isr & ISR_UPC) ||
+			    (isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
+				adapter->upr_interrupts++;
+				slic_upr_request_complete(adapter, isr);
+			}
+			break;
+
+		default:
+			break;
+		}
+
+		adapter->isrcopy = 0;
+		adapter->all_reg_writes += 2;
+		adapter->isr_reg_writes++;
+		WRITE_REG(adapter->slic_regs->slic_isr, 0, FLUSH);
+	} else {
+		adapter->false_interrupts++;
+	}
+	return IRQ_HANDLED;
+}
+
+/*
+ * slic_link_event_handler -
+ *
+ * Initiate a link configuration sequence.  The link configuration begins
+ * by issuing a READ_LINK_STATUS command to the Utility Processor on the
+ * SLIC.  Since the command finishes asynchronously, the slic_upr_comlete
+ * routine will follow it up witha UP configuration write command, which
+ * will also complete asynchronously.
+ *
+ */
+void slic_link_event_handler(p_adapter_t adapter)
+{
+	int status;
+	p_slic_shmem_t pshmem;
+
+	if (adapter->state != ADAPT_UP) {
+		/* Adapter is not operational.  Ignore.  */
+		return;
+	}
+
+	pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+
+#if defined(CONFIG_X86_64)
+/*
+    DBG_MSG("slic_event_handler  pshmem->linkstatus[%x]  pshmem[%p]\n   \
+	&linkstatus[%p] &isr[%p]\n", adapter->pshmem->linkstatus, pshmem,
+	&pshmem->linkstatus, &pshmem->isr);
+*/
+	status = slic_upr_request(adapter,
+				  SLIC_UPR_RLSR,
+				  SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
+				  SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
+				  0, 0);
+#elif defined(CONFIG_X86)
+	status = slic_upr_request(adapter, SLIC_UPR_RLSR,
+		(ulong32) &pshmem->linkstatus,	/* no 4GB wrap guaranteed */
+				  0, 0, 0);
+#else
+	Stop compilation;
+#endif
+	ASSERT((status == STATUS_SUCCESS) || (status == STATUS_PENDING));
+}
+
+void slic_init_cleanup(p_adapter_t adapter)
+{
+	DBG_MSG("slicoss: %s ENTER adapter[%p] ", __func__, adapter);
+	if (adapter->intrregistered) {
+		DBG_MSG("FREE_IRQ ");
+		adapter->intrregistered = 0;
+		free_irq(adapter->netdev->irq, adapter->netdev);
+
+	}
+	if (adapter->pshmem) {
+		DBG_MSG("FREE_SHMEM ");
+		DBG_MSG("adapter[%p] port %d pshmem[%p] FreeShmem ",
+			adapter, adapter->port, (pvoid) adapter->pshmem);
+		pci_free_consistent(adapter->pcidev,
+				    sizeof(slic_shmem_t),
+				    adapter->pshmem, adapter->phys_shmem);
+		adapter->pshmem = NULL;
+		adapter->phys_shmem = (dma_addr_t) NULL;
+	}
+#if SLIC_GET_STATS_TIMER_ENABLED
+	if (adapter->statstimerset) {
+		DBG_MSG("statstimer ");
+		adapter->statstimerset = 0;
+		del_timer(&adapter->statstimer);
+	}
+#endif
+#if !SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED
+/*#if SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED*/
+	if (adapter->pingtimerset) {
+		DBG_MSG("pingtimer ");
+		adapter->pingtimerset = 0;
+		del_timer(&adapter->pingtimer);
+	}
+#endif
+	slic_rspqueue_free(adapter);
+	slic_cmdq_free(adapter);
+	slic_rcvqueue_free(adapter);
+
+	DBG_MSG("\n");
+}
+
+#if SLIC_GET_STATS_ENABLED
+struct net_device_stats *slic_get_stats(struct net_device *dev)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	struct net_device_stats *stats;
+
+	ASSERT(adapter);
+	stats = &adapter->stats;
+	stats->collisions = adapter->slic_stats.iface.xmit_collisions;
+	stats->rx_errors = adapter->slic_stats.iface.rcv_errors;
+	stats->tx_errors = adapter->slic_stats.iface.xmt_errors;
+	stats->rx_missed_errors = adapter->slic_stats.iface.rcv_discards;
+	stats->tx_heartbeat_errors = 0;
+	stats->tx_aborted_errors = 0;
+	stats->tx_window_errors = 0;
+	stats->tx_fifo_errors = 0;
+	stats->rx_frame_errors = 0;
+	stats->rx_length_errors = 0;
+	return &adapter->stats;
+}
+#endif
+
+/*
+ *  Allocate a mcast_address structure to hold the multicast address.
+ *  Link it in.
+ */
+int slic_mcast_add_list(p_adapter_t adapter, pchar address)
+{
+	p_mcast_address_t mcaddr, mlist;
+	boolean equaladdr;
+
+	/* Check to see if it already exists */
+	mlist = adapter->mcastaddrs;
+	while (mlist) {
+		ETHER_EQ_ADDR(mlist->address, address, equaladdr);
+		if (equaladdr)
+			return STATUS_SUCCESS;
+		mlist = mlist->next;
+	}
+
+	/* Doesn't already exist.  Allocate a structure to hold it */
+	mcaddr = SLIC_ALLOCATE_MEM(sizeof(mcast_address_t), GFP_ATOMIC);
+	if (mcaddr == NULL)
+		return 1;
+
+	memcpy(mcaddr->address, address, 6);
+
+	mcaddr->next = adapter->mcastaddrs;
+	adapter->mcastaddrs = mcaddr;
+
+	return STATUS_SUCCESS;
+}
+
+/*
+ * Functions to obtain the CRC corresponding to the destination mac address.
+ * This is a standard ethernet CRC in that it is a 32-bit, reflected CRC using
+ * the polynomial:
+ *   x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 +
+ *   x^4 + x^2 + x^1.
+ *
+ * After the CRC for the 6 bytes is generated (but before the value is
+ * complemented),
+ * we must then transpose the value and return bits 30-23.
+ *
+ */
+static u32 slic_crc_table[256];	/* Table of CRCs for all possible byte values */
+static u32 slic_crc_init;	/* Is table initialized */
+
+/*
+ *  Contruct the CRC32 table
+ */
+void slic_mcast_init_crc32(void)
+{
+	ulong32 c;		/*  CRC shit reg                 */
+	ulong32 e = 0;		/*  Poly X-or pattern            */
+	int i;			/*  counter                      */
+	int k;			/*  byte being shifted into crc  */
+
+	static int p[] = { 0, 1, 2, 4, 5, 7, 8, 10, 11, 12, 16, 22, 23, 26 };
+
+	for (i = 0; i < sizeof(p) / sizeof(int); i++)
+		e |= 1L << (31 - p[i]);
+
+	for (i = 1; i < 256; i++) {
+		c = i;
+		for (k = 8; k; k--)
+			c = c & 1 ? (c >> 1) ^ e : c >> 1;
+		slic_crc_table[i] = c;
+	}
+}
+
+/*
+ *  Return the MAC hast as described above.
+ */
+uchar slic_mcast_get_mac_hash(pchar macaddr)
+{
+	ulong32 crc;
+	pchar p;
+	int i;
+	uchar machash = 0;
+
+	if (!slic_crc_init) {
+		slic_mcast_init_crc32();
+		slic_crc_init = 1;
+	}
+
+	crc = 0xFFFFFFFF;	/* Preload shift register, per crc-32 spec */
+	for (i = 0, p = macaddr; i < 6; ++p, ++i)
+		crc = (crc >> 8) ^ slic_crc_table[(crc ^ *p) & 0xFF];
+
+	/* Return bits 1-8, transposed */
+	for (i = 1; i < 9; i++)
+		machash |= (((crc >> i) & 1) << (8 - i));
+
+	return machash;
+}
+
+void slic_mcast_set_bit(p_adapter_t adapter, pchar address)
+{
+	uchar crcpoly;
+
+	/* Get the CRC polynomial for the mac address */
+	crcpoly = slic_mcast_get_mac_hash(address);
+
+	/* We only have space on the SLIC for 64 entries.  Lop
+	 * off the top two bits. (2^6 = 64)
+	 */
+	crcpoly &= 0x3F;
+
+	/* OR in the new bit into our 64 bit mask. */
+	adapter->mcastmask |= (ulong64) 1 << crcpoly;
+}
+
+void slic_mcast_set_list(struct net_device *dev)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	int status = STATUS_SUCCESS;
+	int i;
+	pchar addresses;
+	struct dev_mc_list *mc_list = dev->mc_list;
+	int mc_count = dev->mc_count;
+
+	ASSERT(adapter);
+
+	for (i = 1; i <= mc_count; i++) {
+		addresses = (pchar) &mc_list->dmi_addr;
+		if (mc_list->dmi_addrlen == 6) {
+			status = slic_mcast_add_list(adapter, addresses);
+			if (status != STATUS_SUCCESS)
+				break;
+		} else {
+			status = -EINVAL;
+			break;
+		}
+		slic_mcast_set_bit(adapter, addresses);
+		mc_list = mc_list->next;
+	}
+
+	DBG_MSG("%s a->devflags_prev[%x] dev->flags[%x] status[%x]\n",
+		__func__, adapter->devflags_prev, dev->flags, status);
+	if (adapter->devflags_prev != dev->flags) {
+		adapter->macopts = MAC_DIRECTED;
+		if (dev->flags) {
+			if (dev->flags & IFF_BROADCAST)
+				adapter->macopts |= MAC_BCAST;
+			if (dev->flags & IFF_PROMISC)
+				adapter->macopts |= MAC_PROMISC;
+			if (dev->flags & IFF_ALLMULTI)
+				adapter->macopts |= MAC_ALLMCAST;
+			if (dev->flags & IFF_MULTICAST)
+				adapter->macopts |= MAC_MCAST;
+		}
+		adapter->devflags_prev = dev->flags;
+		DBG_MSG("%s call slic_config_set adapter->macopts[%x]\n",
+			__func__, adapter->macopts);
+		slic_config_set(adapter, TRUE);
+	} else {
+		if (status == STATUS_SUCCESS)
+			slic_mcast_set_mask(adapter);
+	}
+	return;
+}
+
+void slic_mcast_set_mask(p_adapter_t adapter)
+{
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	DBG_MSG("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__,
+		adapter->netdev->name, (uint) adapter->macopts,
+		adapter->mcastmask);
+
+	if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) {
+		/* Turn on all multicast addresses. We have to do this for
+		 * promiscuous mode as well as ALLMCAST mode.  It saves the
+		 * Microcode from having to keep state about the MAC
+		 * configuration.
+		 */
+/*              DBG_MSG("slicoss: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n\
+		SLUT MODE!!!\n",__func__); */
+		WRITE_REG(slic_regs->slic_mcastlow, 0xFFFFFFFF, FLUSH);
+		WRITE_REG(slic_regs->slic_mcasthigh, 0xFFFFFFFF, FLUSH);
+/*        DBG_MSG("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",
+		_func__, adapter->netdev->name); */
+	} else {
+		/* Commit our multicast mast to the SLIC by writing to the
+		 * multicast address mask registers
+		 */
+		DBG_MSG("%s (%s) WRITE mcastlow[%x] mcasthigh[%x]\n",
+			__func__, adapter->netdev->name,
+			((ulong) (adapter->mcastmask & 0xFFFFFFFF)),
+			((ulong) ((adapter->mcastmask >> 32) & 0xFFFFFFFF)));
+
+		WRITE_REG(slic_regs->slic_mcastlow,
+			  (ulong32) (adapter->mcastmask & 0xFFFFFFFF), FLUSH);
+		WRITE_REG(slic_regs->slic_mcasthigh,
+			  (ulong32) ((adapter->mcastmask >> 32) & 0xFFFFFFFF),
+			  FLUSH);
+	}
+}
+
+void slic_timer_ping(ulong dev)
+{
+	p_adapter_t adapter;
+	p_sliccard_t card;
+
+	ASSERT(dev);
+	adapter = (p_adapter_t) ((struct net_device *) dev)->priv;
+	ASSERT(adapter);
+	card = adapter->card;
+	ASSERT(card);
+#if !SLIC_DUMP_ENABLED
+/*#if SLIC_DUMP_ENABLED*/
+	if ((adapter->state == ADAPT_UP) && (card->state == CARD_UP)) {
+		int status;
+
+		if (card->pingstatus != ISR_PINGMASK) {
+			if (errormsg++ < 5) {
+				DBG_MSG
+				    ("%s (%s) CARD HAS CRASHED  PING_status == \
+				     %x ERRORMSG# %d\n",
+				     __func__, adapter->netdev->name,
+				     card->pingstatus, errormsg);
+			}
+			/*   ASSERT(card->pingstatus == ISR_PINGMASK); */
+		} else {
+			if (goodmsg++ < 5) {
+				DBG_MSG
+				    ("slicoss: %s (%s) PING_status == %x \
+				     GOOD!!!!!!!! msg# %d\n",
+				     __func__, adapter->netdev->name,
+				     card->pingstatus, errormsg);
+			}
+		}
+		card->pingstatus = 0;
+		status = slic_upr_request(adapter, SLIC_UPR_PING, 0, 0, 0, 0);
+
+		ASSERT(status == 0);
+	} else {
+		DBG_MSG("slicoss %s (%s) adapter[%p] NOT UP!!!!\n",
+			__func__, adapter->netdev->name, adapter);
+	}
+#endif
+	adapter->pingtimer.expires =
+	    jiffies + SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL);
+	add_timer(&adapter->pingtimer);
+}
+
+void slic_if_stop_queue(p_adapter_t adapter)
+{
+	netif_stop_queue(adapter->netdev);
+}
+
+void slic_if_start_queue(p_adapter_t adapter)
+{
+	netif_start_queue(adapter->netdev);
+}
+
+/*
+ *  slic_if_init
+ *
+ *  Perform initialization of our slic interface.
+ *
+ */
+int slic_if_init(p_adapter_t adapter)
+{
+	p_sliccard_t card = adapter->card;
+	struct net_device *dev = adapter->netdev;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+	p_slic_shmem_t pshmem;
+	int status = 0;
+
+	ASSERT(card);
+	DBG_MSG("slicoss: %s (%s) ENTER states[%d:%d:%d:%d] flags[%x]\n",
+		__func__, adapter->netdev->name,
+		adapter->queues_initialized, adapter->state, adapter->linkstate,
+		card->state, dev->flags);
+
+	/* adapter should be down at this point */
+	if (adapter->state != ADAPT_DOWN) {
+		DBG_ERROR("slic_if_init adapter->state != ADAPT_DOWN\n");
+		return -EIO;
+	}
+	ASSERT(adapter->linkstate == LINK_DOWN);
+
+	adapter->devflags_prev = dev->flags;
+	adapter->macopts = MAC_DIRECTED;
+	if (dev->flags) {
+		DBG_MSG("slicoss: %s (%s) Set MAC options: ", __func__,
+			adapter->netdev->name);
+		if (dev->flags & IFF_BROADCAST) {
+			adapter->macopts |= MAC_BCAST;
+			DBG_MSG("BCAST ");
+		}
+		if (dev->flags & IFF_PROMISC) {
+			adapter->macopts |= MAC_PROMISC;
+			DBG_MSG("PROMISC ");
+		}
+		if (dev->flags & IFF_ALLMULTI) {
+			adapter->macopts |= MAC_ALLMCAST;
+			DBG_MSG("ALL_MCAST ");
+		}
+		if (dev->flags & IFF_MULTICAST) {
+			adapter->macopts |= MAC_MCAST;
+			DBG_MSG("MCAST ");
+		}
+		DBG_MSG("\n");
+	}
+	status = slic_adapter_allocresources(adapter);
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR
+		    ("slic_if_init: slic_adapter_allocresources FAILED %x\n",
+		     status);
+		slic_adapter_freeresources(adapter);
+		return status;
+	}
+
+	if (!adapter->queues_initialized) {
+		DBG_MSG("slicoss: %s call slic_rspqueue_init\n", __func__);
+		if (slic_rspqueue_init(adapter))
+			return -ENOMEM;
+		DBG_MSG
+		    ("slicoss: %s call slic_cmdq_init adapter[%p] port %d \n",
+		     __func__, adapter, adapter->port);
+		if (slic_cmdq_init(adapter))
+			return -ENOMEM;
+		DBG_MSG
+		    ("slicoss: %s call slic_rcvqueue_init adapter[%p] \
+		     port %d \n", __func__, adapter, adapter->port);
+		if (slic_rcvqueue_init(adapter))
+			return -ENOMEM;
+		adapter->queues_initialized = 1;
+	}
+	DBG_MSG("slicoss: %s disable interrupts(slic)\n", __func__);
+
+	WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
+	slic_stall_msec(1);
+
+	if (!adapter->isp_initialized) {
+		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+
+		SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock);
+
+#if defined(CONFIG_X86_64)
+		WRITE_REG(slic_regs->slic_addr_upper,
+			  SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
+		WRITE_REG(slic_regs->slic_isp,
+			  SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
+#elif defined(CONFIG_X86)
+		WRITE_REG(slic_regs->slic_addr_upper, (ulong32) 0, DONT_FLUSH);
+		WRITE_REG(slic_regs->slic_isp, (ulong32) &pshmem->isr, FLUSH);
+#else
+		Stop Compilations
+#endif
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock);
+		adapter->isp_initialized = 1;
+	}
+
+	adapter->state = ADAPT_UP;
+	if (!card->loadtimerset) {
+		init_timer(&card->loadtimer);
+		card->loadtimer.expires =
+		    jiffies + SLIC_SECS_TO_JIFFS(SLIC_LOADTIMER_PERIOD);
+		card->loadtimer.data = (ulong) card;
+		card->loadtimer.function = &slic_timer_load_check;
+		add_timer(&card->loadtimer);
+
+		card->loadtimerset = 1;
+	}
+#if SLIC_GET_STATS_TIMER_ENABLED
+	if (!adapter->statstimerset) {
+		DBG_MSG("slicoss: %s start getstats_timer(slic)\n",
+			__func__);
+		init_timer(&adapter->statstimer);
+		adapter->statstimer.expires =
+		    jiffies + SLIC_SECS_TO_JIFFS(STATS_TIMER_INTERVAL);
+		adapter->statstimer.data = (ulong) adapter->netdev;
+		adapter->statstimer.function = &slic_timer_get_stats;
+		add_timer(&adapter->statstimer);
+		adapter->statstimerset = 1;
+	}
+#endif
+#if !SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED
+/*#if SLIC_DUMP_ENABLED && SLIC_PING_TIMER_ENABLED*/
+	if (!adapter->pingtimerset) {
+		DBG_MSG("slicoss: %s start card_ping_timer(slic)\n",
+			__func__);
+		init_timer(&adapter->pingtimer);
+		adapter->pingtimer.expires =
+		    jiffies + SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL);
+		adapter->pingtimer.data = (ulong) dev;
+		adapter->pingtimer.function = &slic_timer_ping;
+		add_timer(&adapter->pingtimer);
+		adapter->pingtimerset = 1;
+		adapter->card->pingstatus = ISR_PINGMASK;
+	}
+#endif
+
+	/*
+	 *    clear any pending events, then enable interrupts
+	 */
+	DBG_MSG("slicoss: %s ENABLE interrupts(slic)\n", __func__);
+	adapter->isrcopy = 0;
+	adapter->pshmem->isr = 0;
+	WRITE_REG(slic_regs->slic_isr, 0, FLUSH);
+	WRITE_REG(slic_regs->slic_icr, ICR_INT_ON, FLUSH);
+
+	DBG_MSG("slicoss: %s call slic_link_config(slic)\n", __func__);
+	slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
+	slic_link_event_handler(adapter);
+
+	DBG_MSG("slicoss: %s EXIT\n", __func__);
+	return STATUS_SUCCESS;
+}
+
+void slic_unmap_mmio_space(p_adapter_t adapter)
+{
+#if LINUX_FREES_ADAPTER_RESOURCES
+	if (adapter->slic_regs)
+		iounmap(adapter->slic_regs);
+	adapter->slic_regs = NULL;
+#endif
+}
+
+int slic_adapter_allocresources(p_adapter_t adapter)
+{
+	if (!adapter->intrregistered) {
+		int retval;
+
+		DBG_MSG
+		    ("slicoss: %s AllocAdaptRsrcs adapter[%p] shmem[%p] \
+		     phys_shmem[%p] dev->irq[%x] %x\n",
+		     __func__, adapter, adapter->pshmem,
+		     (void *)adapter->phys_shmem, adapter->netdev->irq,
+		     NR_IRQS);
+
+		SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+
+		retval = request_irq(adapter->netdev->irq,
+				     &slic_interrupt,
+				     IRQF_SHARED,
+				     adapter->netdev->name, adapter->netdev);
+
+		SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
+
+		if (retval) {
+			DBG_ERROR("slicoss: request_irq (%s) FAILED [%x]\n",
+				  adapter->netdev->name, retval);
+			return retval;
+		}
+		adapter->intrregistered = 1;
+		DBG_MSG
+		    ("slicoss: %s AllocAdaptRsrcs adapter[%p] shmem[%p] \
+		     pshmem[%p] dev->irq[%x]\n",
+		     __func__, adapter, adapter->pshmem,
+		     (void *)adapter->pshmem, adapter->netdev->irq);
+	}
+	return STATUS_SUCCESS;
+}
+
+void slic_config_pci(struct pci_dev *pcidev)
+{
+	u16 pci_command;
+	u16 new_command;
+
+	pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
+	DBG_MSG("slicoss: %s  PCI command[%4.4x]\n", __func__, pci_command);
+
+	new_command = pci_command | PCI_COMMAND_MASTER
+	    | PCI_COMMAND_MEMORY
+	    | PCI_COMMAND_INVALIDATE
+	    | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
+	if (pci_command != new_command) {
+		DBG_MSG("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n",
+			__func__, pci_command, new_command);
+		pci_write_config_word(pcidev, PCI_COMMAND, new_command);
+	}
+}
+
+void slic_adapter_freeresources(p_adapter_t adapter)
+{
+	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
+	slic_init_cleanup(adapter);
+	SLIC_ZERO_MEMORY(&adapter->stats, sizeof(struct net_device_stats));
+	adapter->error_interrupts = 0;
+	adapter->rcv_interrupts = 0;
+	adapter->xmit_interrupts = 0;
+	adapter->linkevent_interrupts = 0;
+	adapter->upr_interrupts = 0;
+	adapter->num_isrs = 0;
+	adapter->xmit_completes = 0;
+	adapter->rcv_broadcasts = 0;
+	adapter->rcv_multicasts = 0;
+	adapter->rcv_unicasts = 0;
+	DBG_MSG("slicoss: %s EXIT\n", __func__);
+}
+
+/*
+ *  slic_link_config
+ *
+ *  Write phy control to configure link duplex/speed
+ *
+ */
+void slic_link_config(p_adapter_t adapter,
+		      ulong32 linkspeed, ulong32 linkduplex)
+{
+	ulong32 speed;
+	ulong32 duplex;
+	ulong32 phy_config;
+	ulong32 phy_advreg;
+	ulong32 phy_gctlreg;
+
+	if (adapter->state != ADAPT_UP) {
+		DBG_MSG
+		    ("%s (%s) ADAPT Not up yet, Return! speed[%x] duplex[%x]\n",
+		     __func__, adapter->netdev->name, linkspeed,
+		     linkduplex);
+		return;
+	}
+	DBG_MSG("slicoss: %s (%s) slic_link_config: speed[%x] duplex[%x]\n",
+		__func__, adapter->netdev->name, linkspeed, linkduplex);
+
+	ASSERT((adapter->devid == SLIC_1GB_DEVICE_ID)
+	       || (adapter->devid == SLIC_2GB_DEVICE_ID));
+
+	if (linkspeed > LINK_1000MB)
+		linkspeed = LINK_AUTOSPEED;
+	if (linkduplex > LINK_AUTOD)
+		linkduplex = LINK_AUTOD;
+
+	if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) {
+		if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) {
+			/*  We've got a fiber gigabit interface, and register
+			 *  4 is different in fiber mode than in copper mode
+			 */
+
+			/* advertise FD only @1000 Mb */
+			phy_advreg = (MIICR_REG_4 | (PAR_ADV1000XFD));
+			/* enable PAUSE frames        */
+			phy_advreg |= PAR_ASYMPAUSE_FIBER;
+			WRITE_REG(adapter->slic_regs->slic_wphy, phy_advreg,
+				  FLUSH);
+
+			if (linkspeed == LINK_AUTOSPEED) {
+				/* reset phy, enable auto-neg  */
+				phy_config =
+				    (MIICR_REG_PCR |
+				     (PCR_RESET | PCR_AUTONEG |
+				      PCR_AUTONEG_RST));
+				WRITE_REG(adapter->slic_regs->slic_wphy,
+					  phy_config, FLUSH);
+			} else {	/* forced 1000 Mb FD*/
+				/* power down phy to break link
+				   this may not work) */
+				phy_config = (MIICR_REG_PCR | PCR_POWERDOWN);
+				WRITE_REG(adapter->slic_regs->slic_wphy,
+					  phy_config, FLUSH);
+				/* wait, Marvell says 1 sec,
+				   try to get away with 10 ms  */
+				slic_stall_msec(10);
+
+				/* disable auto-neg, set speed/duplex,
+				   soft reset phy, powerup */
+				phy_config =
+				    (MIICR_REG_PCR |
+				     (PCR_RESET | PCR_SPEED_1000 |
+				      PCR_DUPLEX_FULL));
+				WRITE_REG(adapter->slic_regs->slic_wphy,
+					  phy_config, FLUSH);
+			}
+		} else {	/* copper gigabit */
+
+			/* Auto-Negotiate or 1000 Mb must be auto negotiated
+			 * We've got a copper gigabit interface, and
+			 * register 4 is different in copper mode than
+			 * in fiber mode
+			 */
+			if (linkspeed == LINK_AUTOSPEED) {
+				/* advertise 10/100 Mb modes   */
+				phy_advreg =
+				    (MIICR_REG_4 |
+				     (PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD
+				      | PAR_ADV10HD));
+			} else {
+			/* linkspeed == LINK_1000MB -
+			   don't advertise 10/100 Mb modes  */
+				phy_advreg = MIICR_REG_4;
+			}
+			/* enable PAUSE frames  */
+			phy_advreg |= PAR_ASYMPAUSE;
+			/* required by the Cicada PHY  */
+			phy_advreg |= PAR_802_3;
+			WRITE_REG(adapter->slic_regs->slic_wphy, phy_advreg,
+				  FLUSH);
+			/* advertise FD only @1000 Mb  */
+			phy_gctlreg = (MIICR_REG_9 | (PGC_ADV1000FD));
+			WRITE_REG(adapter->slic_regs->slic_wphy, phy_gctlreg,
+				  FLUSH);
+
+			if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
+				/* if a Marvell PHY
+				   enable auto crossover */
+				phy_config =
+				    (MIICR_REG_16 | (MRV_REG16_XOVERON));
+				WRITE_REG(adapter->slic_regs->slic_wphy,
+					  phy_config, FLUSH);
+
+				/* reset phy, enable auto-neg  */
+				phy_config =
+				    (MIICR_REG_PCR |
+				     (PCR_RESET | PCR_AUTONEG |
+				      PCR_AUTONEG_RST));
+				WRITE_REG(adapter->slic_regs->slic_wphy,
+					  phy_config, FLUSH);
+			} else {	/* it's a Cicada PHY  */
+				/* enable and restart auto-neg (don't reset)  */
+				phy_config =
+				    (MIICR_REG_PCR |
+				     (PCR_AUTONEG | PCR_AUTONEG_RST));
+				WRITE_REG(adapter->slic_regs->slic_wphy,
+					  phy_config, FLUSH);
+			}
+		}
+	} else {
+		/* Forced 10/100  */
+		if (linkspeed == LINK_10MB)
+			speed = 0;
+		else
+			speed = PCR_SPEED_100;
+		if (linkduplex == LINK_HALFD)
+			duplex = 0;
+		else
+			duplex = PCR_DUPLEX_FULL;
+
+		if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
+			/* if a Marvell PHY
+			   disable auto crossover  */
+			phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF));
+			WRITE_REG(adapter->slic_regs->slic_wphy, phy_config,
+				  FLUSH);
+		}
+
+		/* power down phy to break link (this may not work)  */
+		phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN | speed | duplex));
+		WRITE_REG(adapter->slic_regs->slic_wphy, phy_config, FLUSH);
+
+		/* wait, Marvell says 1 sec, try to get away with 10 ms */
+		slic_stall_msec(10);
+
+		if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
+			/* if a Marvell PHY
+			   disable auto-neg, set speed,
+			   soft reset phy, powerup */
+			phy_config =
+			    (MIICR_REG_PCR | (PCR_RESET | speed | duplex));
+			WRITE_REG(adapter->slic_regs->slic_wphy, phy_config,
+				  FLUSH);
+		} else {	/* it's a Cicada PHY  */
+			/* disable auto-neg, set speed, powerup  */
+			phy_config = (MIICR_REG_PCR | (speed | duplex));
+			WRITE_REG(adapter->slic_regs->slic_wphy, phy_config,
+				  FLUSH);
+		}
+	}
+
+	DBG_MSG
+	    ("slicoss: %s (%s) EXIT slic_link_config : state[%d] \
+	    phy_config[%x]\n", __func__, adapter->netdev->name, adapter->state,
+	    phy_config);
+}
+
+void slic_card_cleanup(p_sliccard_t card)
+{
+	DBG_MSG("slicoss: %s ENTER\n", __func__);
+
+#if SLIC_DUMP_ENABLED
+	if (card->dumpbuffer) {
+		SLIC_DEALLOCATE_MEM(card->dumpbuffer);
+		card->dumpbuffer = NULL;
+		card->dumpbuffer_phys = 0;
+		card->dumpbuffer_physl = 0;
+		card->dumpbuffer_physh = 0;
+	}
+	if (card->cmdbuffer) {
+		SLIC_DEALLOCATE_MEM(card->cmdbuffer);
+		card->cmdbuffer = NULL;
+		card->cmdbuffer_phys = 0;
+		card->cmdbuffer_physl = 0;
+		card->cmdbuffer_physh = 0;
+	}
+#endif
+
+	if (card->loadtimerset) {
+		card->loadtimerset = 0;
+		del_timer(&card->loadtimer);
+	}
+
+	slic_debug_card_destroy(card);
+
+	SLIC_DEALLOCATE_MEM(card);
+	DBG_MSG("slicoss: %s EXIT\n", __func__);
+}
+
+static int slic_card_download_gbrcv(p_adapter_t adapter)
+{
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+	ulong32 codeaddr;
+	puchar instruction = NULL;
+	ulong32 rcvucodelen = 0;
+
+	switch (adapter->devid) {
+	case SLIC_2GB_DEVICE_ID:
+		instruction = (puchar) &OasisRcvUCode[0];
+		rcvucodelen = OasisRcvUCodeLen;
+		break;
+	case SLIC_1GB_DEVICE_ID:
+		instruction = (puchar) &GBRcvUCode[0];
+		rcvucodelen = GBRcvUCodeLen;
+		break;
+	default:
+		ASSERT(0);
+		break;
+	}
+
+	/* start download */
+	WRITE_REG(slic_regs->slic_rcv_wcs, SLIC_RCVWCS_BEGIN, FLUSH);
+
+	/* download the rcv sequencer ucode */
+	for (codeaddr = 0; codeaddr < rcvucodelen; codeaddr++) {
+		/* write out instruction address */
+		WRITE_REG(slic_regs->slic_rcv_wcs, codeaddr, FLUSH);
+
+		/* write out the instruction data low addr */
+		WRITE_REG(slic_regs->slic_rcv_wcs,
+			  (ulong32) *(pulong32) instruction, FLUSH);
+		instruction += 4;
+
+		/* write out the instruction data high addr */
+		WRITE_REG(slic_regs->slic_rcv_wcs, (ulong32) *instruction,
+			  FLUSH);
+		instruction += 1;
+	}
+
+	/* download finished */
+	WRITE_REG(slic_regs->slic_rcv_wcs, SLIC_RCVWCS_FINISH, FLUSH);
+
+	return 0;
+}
+
+int slic_card_download(p_adapter_t adapter)
+{
+	ulong32 section;
+	int thissectionsize;
+	int codeaddr;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+	ulong32 *instruction = NULL;
+	ulong32 *lastinstruct = NULL;
+	ulong32 *startinstruct = NULL;
+	puchar nextinstruct;
+	ulong32 baseaddress;
+	ulong32 failure;
+	ulong32 i;
+	ulong32 numsects = 0;
+	ulong32 sectsize[3];
+	ulong32 sectstart[3];
+
+/*      DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x] \
+	jiffies[%lx] cpu %d\n", __func__, adapter->netdev->name, adapter,
+	    adapter->card, adapter->devid,jiffies, smp_processor_id()); */
+
+	switch (adapter->devid) {
+	case SLIC_2GB_DEVICE_ID:
+/*      DBG_MSG ("slicoss: %s devid==SLIC_2GB_DEVICE_ID sections[%x]\n",
+	__func__, (uint) ONumSections); */
+		numsects = ONumSections;
+		for (i = 0; i < numsects; i++) {
+			sectsize[i] = OSectionSize[i];
+			sectstart[i] = OSectionStart[i];
+		}
+		break;
+	case SLIC_1GB_DEVICE_ID:
+/*              DBG_MSG ("slicoss: %s devid==SLIC_1GB_DEVICE_ID sections[%x]\n",
+		__func__, (uint) MNumSections); */
+		numsects = MNumSections;
+		for (i = 0; i < numsects; i++) {
+			sectsize[i] = MSectionSize[i];
+			sectstart[i] = MSectionStart[i];
+		}
+		break;
+	default:
+		ASSERT(0);
+		break;
+	}
+
+	ASSERT(numsects <= 3);
+
+	for (section = 0; section < numsects; section++) {
+		switch (adapter->devid) {
+		case SLIC_2GB_DEVICE_ID:
+			instruction = (pulong32) &OasisUCode[section][0];
+			baseaddress = sectstart[section];
+			thissectionsize = sectsize[section] >> 3;
+			lastinstruct =
+			    (pulong32) &OasisUCode[section][sectsize[section] -
+							     8];
+			break;
+		case SLIC_1GB_DEVICE_ID:
+			instruction = (pulong32) &MojaveUCode[section][0];
+			baseaddress = sectstart[section];
+			thissectionsize = sectsize[section] >> 3;
+			lastinstruct =
+			    (pulong32) &MojaveUCode[section][sectsize[section]
+							      - 8];
+			break;
+		default:
+			ASSERT(0);
+			break;
+		}
+
+		baseaddress = sectstart[section];
+		thissectionsize = sectsize[section] >> 3;
+
+		for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
+			startinstruct = instruction;
+			nextinstruct = ((puchar) instruction) + 8;
+			/* Write out instruction address */
+			WRITE_REG(slic_regs->slic_wcs, baseaddress + codeaddr,
+				  FLUSH);
+			/* Write out instruction to low addr */
+			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
+#ifdef CONFIG_X86_64
+			instruction = (pulong32) ((puchar) instruction + 4);
+#else
+			instruction++;
+#endif
+			/* Write out instruction to high addr */
+			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
+#ifdef CONFIG_X86_64
+			instruction = (pulong32) ((puchar) instruction + 4);
+#else
+			instruction++;
+#endif
+		}
+	}
+
+	for (section = 0; section < numsects; section++) {
+		switch (adapter->devid) {
+		case SLIC_2GB_DEVICE_ID:
+			instruction = (pulong32) &OasisUCode[section][0];
+			break;
+		case SLIC_1GB_DEVICE_ID:
+			instruction = (pulong32) &MojaveUCode[section][0];
+			break;
+		default:
+			ASSERT(0);
+			break;
+		}
+
+		baseaddress = sectstart[section];
+		if (baseaddress < 0x8000)
+			continue;
+		thissectionsize = sectsize[section] >> 3;
+
+/*        DBG_MSG ("slicoss: COMPARE secton[%x] baseaddr[%x] sectnsize[%x]\n",
+		(uint)section,baseaddress,thissectionsize);*/
+
+		for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
+			/* Write out instruction address */
+			WRITE_REG(slic_regs->slic_wcs,
+				  SLIC_WCS_COMPARE | (baseaddress + codeaddr),
+				  FLUSH);
+			/* Write out instruction to low addr */
+			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
+#ifdef CONFIG_X86_64
+			instruction = (pulong32) ((puchar) instruction + 4);
+#else
+			instruction++;
+#endif
+			/* Write out instruction to high addr */
+			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
+#ifdef CONFIG_X86_64
+			instruction = (pulong32) ((puchar) instruction + 4);
+#else
+			instruction++;
+#endif
+			/* Check SRAM location zero. If it is non-zero. Abort.*/
+			failure = READ_REG(slic_regs->slic_reset, 0);
+			if (failure) {
+				DBG_MSG
+				    ("slicoss: %s FAILURE EXIT codeaddr[%x] \
+				    thissectionsize[%x] failure[%x]\n",
+				     __func__, codeaddr, thissectionsize,
+				     failure);
+
+				return -EIO;
+			}
+		}
+	}
+/*    DBG_MSG ("slicoss: Compare done\n");*/
+
+	/* Everything OK, kick off the card */
+	slic_stall_msec(10);
+	WRITE_REG(slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
+
+	/* stall for 20 ms, long enough for ucode to init card
+	   and reach mainloop */
+	slic_stall_msec(20);
+
+	DBG_MSG("slicoss: %s (%s) EXIT adapter[%p] card[%p]\n",
+		__func__, adapter->netdev->name, adapter, adapter->card);
+
+	return STATUS_SUCCESS;
+}
+
+void slic_adapter_set_hwaddr(p_adapter_t adapter)
+{
+	p_sliccard_t card = adapter->card;
+
+/*  DBG_MSG ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n",
+    __func__, card->config_set, adapter->port, adapter->physport,
+    adapter->functionnumber);
+
+    slic_dbg_macaddrs(adapter); */
+
+	if ((adapter->card) && (card->config_set)) {
+		memcpy(adapter->macaddr,
+		       card->config.MacInfo[adapter->functionnumber].macaddrA,
+		       sizeof(slic_config_mac_t));
+/*      DBG_MSG ("%s AFTER copying from config.macinfo into currmacaddr\n",
+	__func__);
+	slic_dbg_macaddrs(adapter);*/
+		if (!(adapter->currmacaddr[0] || adapter->currmacaddr[1] ||
+		      adapter->currmacaddr[2] || adapter->currmacaddr[3] ||
+		      adapter->currmacaddr[4] || adapter->currmacaddr[5])) {
+			memcpy(adapter->currmacaddr, adapter->macaddr, 6);
+		}
+		if (adapter->netdev) {
+			memcpy(adapter->netdev->dev_addr, adapter->currmacaddr,
+			       6);
+		}
+	}
+/*  DBG_MSG ("%s EXIT port %d\n", __func__, adapter->port);
+    slic_dbg_macaddrs(adapter); */
+}
+
+void slic_card_halt(p_sliccard_t card, p_adapter_t adapter)
+{
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	DBG_MSG("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x]\n",
+		__func__, card, adapter, card->state);
+	WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
+	adapter->all_reg_writes++;
+	adapter->icr_reg_writes++;
+	slic_config_clear(adapter);
+	WRITE_REG(slic_regs->slic_reset_iface, 0, FLUSH);
+	slic_soft_reset(adapter);
+	DBG_MSG("slicoss: %s EXIT card[%p] adapter[%p] card->state[%x]\n",
+		__func__, card, adapter, card->state);
+	return;
+
+}
+
+void slic_intagg_set(p_adapter_t adapter, ulong32 value)
+{
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	WRITE_REG(slic_regs->slic_intagg, value, FLUSH);
+	adapter->card->loadlevel_current = value;
+}
+
+int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
+{
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+	pslic_eeprom_t peeprom;
+	poslic_eeprom_t pOeeprom;
+	dma_addr_t phys_config;
+	ulong32 phys_configh;
+	ulong32 phys_configl;
+	ulong32 i = 0;
+	p_slic_shmem_t pshmem;
+	int status;
+	uint macaddrs = card->card_size;
+	ushort eecodesize;
+	ushort dramsize;
+	ushort ee_chksum;
+	ushort calc_chksum;
+	pslic_config_mac_t pmac;
+	uchar fruformat;
+	uchar oemfruformat;
+	patk_fru_t patkfru;
+	poemfru_t poemfru;
+
+	DBG_MSG
+	    ("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x] \
+	    size[%d]\n", __func__, card, adapter, card->state, card->card_size);
+
+	/* Reset everything except PCI configuration space */
+	slic_soft_reset(adapter);
+
+	/* Download the microcode */
+	status = slic_card_download(adapter);
+
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR("SLIC download failed bus %d slot %d\n",
+			  (uint) adapter->busnumber,
+			  (uint) adapter->slotnumber);
+		return status;
+	}
+
+	if (!card->config_set) {
+		peeprom = pci_alloc_consistent(adapter->pcidev,
+					       sizeof(slic_eeprom_t),
+					       &phys_config);
+
+		phys_configl = SLIC_GET_ADDR_LOW(phys_config);
+		phys_configh = SLIC_GET_ADDR_HIGH(phys_config);
+
+		DBG_MSG("slicoss: %s Eeprom info  adapter [%p]\n    "
+			"size        [%x]\n    peeprom     [%p]\n    "
+			"phys_config [%p]\n    phys_configl[%x]\n    "
+			"phys_configh[%x]\n",
+			__func__, adapter, (ulong32) sizeof(slic_eeprom_t),
+			peeprom, (pvoid) phys_config, phys_configl,
+			phys_configh);
+		if (!peeprom) {
+			DBG_ERROR
+			    ("SLIC eeprom read failed to get memory bus %d \
+			    slot %d\n",
+			     (uint) adapter->busnumber,
+			     (uint) adapter->slotnumber);
+			return -ENOMEM;
+		} else {
+			SLIC_ZERO_MEMORY(peeprom, sizeof(slic_eeprom_t));
+		}
+		WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
+		slic_stall_msec(1);
+		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+
+		SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock);
+		WRITE_REG(slic_regs->slic_addr_upper, 0, DONT_FLUSH);
+		WRITE_REG(slic_regs->slic_isp,
+			  SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock);
+
+		slic_config_get(adapter, phys_configl, phys_configh);
+
+		for (;;) {
+			if (adapter->pshmem->isr) {
+				DBG_MSG("%s shmem[%p] shmem->isr[%x]\n",
+					__func__, adapter->pshmem,
+					adapter->pshmem->isr);
+
+				if (adapter->pshmem->isr & ISR_UPC) {
+					adapter->pshmem->isr = 0;
+					WRITE_REG64(adapter,
+						    slic_regs->slic_isp,
+						    0,
+						    slic_regs->slic_addr_upper,
+						    0, FLUSH);
+					WRITE_REG(slic_regs->slic_isr, 0,
+						  FLUSH);
+
+					slic_upr_request_complete(adapter, 0);
+					break;
+				} else {
+					adapter->pshmem->isr = 0;
+					WRITE_REG(slic_regs->slic_isr, 0,
+						  FLUSH);
+				}
+			} else {
+				slic_stall_msec(1);
+				i++;
+				if (i > 5000) {
+					DBG_ERROR
+					    ("SLIC: %d config data fetch timed\
+					      out!\n", adapter->port);
+					DBG_MSG("%s shmem[%p] shmem->isr[%x]\n",
+						__func__, adapter->pshmem,
+						adapter->pshmem->isr);
+					WRITE_REG64(adapter,
+						    slic_regs->slic_isp, 0,
+						    slic_regs->slic_addr_upper,
+						    0, FLUSH);
+					return -EINVAL;
+				}
+			}
+		}
+
+		switch (adapter->devid) {
+		/* Oasis card */
+		case SLIC_2GB_DEVICE_ID:
+			/* extract EEPROM data and pointers to EEPROM data */
+			pOeeprom = (poslic_eeprom_t) peeprom;
+			eecodesize = pOeeprom->EecodeSize;
+			dramsize = pOeeprom->DramSize;
+			pmac = pOeeprom->MacInfo;
+			fruformat = pOeeprom->FruFormat;
+			patkfru = &pOeeprom->AtkFru;
+			oemfruformat = pOeeprom->OemFruFormat;
+			poemfru = &pOeeprom->OemFru;
+			macaddrs = 2;
+			/* Minor kludge for Oasis card
+			     get 2 MAC addresses from the
+			     EEPROM to ensure that function 1
+			     gets the Port 1 MAC address */
+			break;
+		default:
+			/* extract EEPROM data and pointers to EEPROM data */
+			eecodesize = peeprom->EecodeSize;
+			dramsize = peeprom->DramSize;
+			pmac = peeprom->u2.mac.MacInfo;
+			fruformat = peeprom->FruFormat;
+			patkfru = &peeprom->AtkFru;
+			oemfruformat = peeprom->OemFruFormat;
+			poemfru = &peeprom->OemFru;
+			break;
+		}
+
+		card->config.EepromValid = FALSE;
+
+		/*  see if the EEPROM is valid by checking it's checksum */
+		if ((eecodesize <= MAX_EECODE_SIZE) &&
+		    (eecodesize >= MIN_EECODE_SIZE)) {
+
+			ee_chksum =
+			    *(pushort) ((pchar) peeprom + (eecodesize - 2));
+			/*
+			    calculate the EEPROM checksum
+			*/
+			calc_chksum =
+			    ~slic_eeprom_cksum((pchar) peeprom,
+					       (eecodesize - 2));
+			/*
+			    if the ucdoe chksum flag bit worked,
+			    we wouldn't need this shit
+			*/
+			if (ee_chksum == calc_chksum)
+				card->config.EepromValid = TRUE;
+		}
+		/*  copy in the DRAM size */
+		card->config.DramSize = dramsize;
+
+		/*  copy in the MAC address(es) */
+		for (i = 0; i < macaddrs; i++) {
+			memcpy(&card->config.MacInfo[i],
+			       &pmac[i], sizeof(slic_config_mac_t));
+		}
+/*      DBG_MSG ("%s EEPROM Checksum Good? %d  MacAddress\n",__func__,
+		card->config.EepromValid); */
+
+		/*  copy the Alacritech FRU information */
+		card->config.FruFormat = fruformat;
+		memcpy(&card->config.AtkFru, patkfru, sizeof(atk_fru_t));
+
+		pci_free_consistent(adapter->pcidev,
+				    sizeof(slic_eeprom_t),
+				    peeprom, phys_config);
+		DBG_MSG
+		    ("slicoss: %s adapter%d [%p] size[%x] FREE peeprom[%p] \
+		     phys_config[%p]\n",
+		     __func__, adapter->port, adapter,
+		     (ulong32) sizeof(slic_eeprom_t), peeprom,
+		     (pvoid) phys_config);
+
+		if ((!card->config.EepromValid) &&
+		    (adapter->reg_params.fail_on_bad_eeprom)) {
+			WRITE_REG64(adapter,
+				    slic_regs->slic_isp,
+				    0, slic_regs->slic_addr_upper, 0, FLUSH);
+			DBG_ERROR
+			    ("unsupported CONFIGURATION  EEPROM invalid\n");
+			return -EINVAL;
+		}
+
+		card->config_set = 1;
+	}
+
+	if (slic_card_download_gbrcv(adapter)) {
+		DBG_ERROR("%s unable to download GB receive microcode\n",
+			  __func__);
+		return -EINVAL;
+	}
+
+	if (slic_global.dynamic_intagg) {
+		DBG_MSG
+		    ("Dynamic Interrupt Aggregation[ENABLED]: slic%d \
+		     SET intagg to %d\n",
+		     card->cardnum, 0);
+		slic_intagg_set(adapter, 0);
+	} else {
+		slic_intagg_set(adapter, intagg_delay);
+		DBG_MSG
+		    ("Dynamic Interrupt Aggregation[DISABLED]: slic%d \
+		     SET intagg to %d\n",
+		     card->cardnum, intagg_delay);
+	}
+
+	/*
+	 *  Initialize ping status to "ok"
+	 */
+	card->pingstatus = ISR_PINGMASK;
+
+#if SLIC_DUMP_ENABLED
+	if (!card->dumpbuffer) {
+		card->dumpbuffer =
+		    SLIC_ALLOCATE_MEM(DUMP_PAGE_SIZE, GFP_ATOMIC);
+
+		ASSERT(card->dumpbuffer);
+		if (card->dumpbuffer == NULL)
+			return -ENOMEM;
+	}
+	/*
+	 *  Smear the shared memory structure and then obtain
+	 *  the PHYSICAL address of this structure
+	 */
+	SLIC_ZERO_MEMORY(card->dumpbuffer, DUMP_PAGE_SIZE);
+	card->dumpbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->dumpbuffer);
+	card->dumpbuffer_physh = SLIC_GET_ADDR_HIGH(card->dumpbuffer_phys);
+	card->dumpbuffer_physl = SLIC_GET_ADDR_LOW(card->dumpbuffer_phys);
+
+	/*
+	 *  Allocate COMMAND BUFFER
+	 */
+	if (!card->cmdbuffer) {
+		card->cmdbuffer =
+		    SLIC_ALLOCATE_MEM(sizeof(dump_cmd_t), GFP_ATOMIC);
+
+		ASSERT(card->cmdbuffer);
+		if (card->cmdbuffer == NULL)
+			return -ENOMEM;
+	}
+	/*
+	 *  Smear the shared memory structure and then obtain
+	 *  the PHYSICAL address of this structure
+	 */
+	SLIC_ZERO_MEMORY(card->cmdbuffer, sizeof(dump_cmd_t));
+	card->cmdbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->cmdbuffer);
+	card->cmdbuffer_physh = SLIC_GET_ADDR_HIGH(card->cmdbuffer_phys);
+	card->cmdbuffer_physl = SLIC_GET_ADDR_LOW(card->cmdbuffer_phys);
+#endif
+
+	/*
+	 * Lastly, mark our card state as up and return success
+	 */
+	card->state = CARD_UP;
+	card->reset_in_progress = 0;
+	DBG_MSG("slicoss: %s EXIT card[%p] adapter[%p] card->state[%x]\n",
+		__func__, card, adapter, card->state);
+
+	return STATUS_SUCCESS;
+}
+
+ulong32 slic_card_locate(p_adapter_t adapter)
+{
+	p_sliccard_t card = slic_global.slic_card;
+	p_physcard_t physcard = slic_global.phys_card;
+	ushort card_hostid;
+	u16 __iomem *hostid_reg;
+	uint i;
+	uint rdhostid_offset = 0;
+
+	DBG_MSG("slicoss: %s adapter[%p] slot[%x] bus[%x] port[%x]\n",
+		__func__, adapter, adapter->slotnumber, adapter->busnumber,
+		adapter->port);
+
+	switch (adapter->devid) {
+	case SLIC_2GB_DEVICE_ID:
+		rdhostid_offset = SLIC_RDHOSTID_2GB;
+		break;
+	case SLIC_1GB_DEVICE_ID:
+		rdhostid_offset = SLIC_RDHOSTID_1GB;
+		break;
+	default:
+		ASSERT(0);
+		break;
+	}
+
+	hostid_reg =
+	    (u16 __iomem *) (((u8 __iomem *) (adapter->slic_regs)) +
+	    rdhostid_offset);
+	DBG_MSG("slicoss: %s *hostid_reg[%p] == ", __func__, hostid_reg);
+
+	/* read the 16 bit hostid from SRAM */
+/*  card_hostid = READ_REGP16(hostid_reg, 0);*/
+	card_hostid = (ushort) readw(hostid_reg);
+	DBG_MSG(" card_hostid[%x]\n", card_hostid);
+
+	/* Initialize a new card structure if need be */
+	if (card_hostid == SLIC_HOSTID_DEFAULT) {
+		card = kzalloc(sizeof(sliccard_t), GFP_KERNEL);
+		if (card == NULL)
+			return -ENOMEM;
+
+		card->next = slic_global.slic_card;
+		slic_global.slic_card = card;
+#if DBG
+		if (adapter->devid == SLIC_2GB_DEVICE_ID) {
+			DBG_MSG
+			    ("SLICOSS ==> Initialize 2 Port Gigabit Server \
+			     and Storage Accelerator\n");
+		} else {
+			DBG_MSG
+			    ("SLICOSS ==> Initialize 1 Port Gigabit Server \
+			     and Storage Accelerator\n");
+		}
+#endif
+		card->busnumber = adapter->busnumber;
+		card->slotnumber = adapter->slotnumber;
+
+		/* Find an available cardnum */
+		for (i = 0; i < SLIC_MAX_CARDS; i++) {
+			if (slic_global.cardnuminuse[i] == 0) {
+				slic_global.cardnuminuse[i] = 1;
+				card->cardnum = i;
+				break;
+			}
+		}
+		slic_global.num_slic_cards++;
+		DBG_MSG("\nCARDNUM == %d  Total %d  Card[%p]\n\n",
+			card->cardnum, slic_global.num_slic_cards, card);
+
+		slic_debug_card_create(card);
+	} else {
+		DBG_MSG
+		    ("slicoss: %s CARD already allocated, find the \
+		     correct card\n", __func__);
+		/* Card exists, find the card this adapter belongs to */
+		while (card) {
+			DBG_MSG
+			    ("slicoss: %s card[%p] slot[%x] bus[%x] \
+			      adaptport[%p] hostid[%x] cardnum[%x]\n",
+			     __func__, card, card->slotnumber,
+			     card->busnumber, card->adapter[adapter->port],
+			     card_hostid, card->cardnum);
+
+			if (card->cardnum == card_hostid)
+				break;
+			card = card->next;
+		}
+	}
+
+	ASSERT(card);
+	if (!card)
+		return STATUS_FAILURE;
+	/* Put the adapter in the card's adapter list */
+	ASSERT(card->adapter[adapter->port] == NULL);
+	if (!card->adapter[adapter->port]) {
+		card->adapter[adapter->port] = adapter;
+		adapter->card = card;
+	}
+
+	card->card_size = 1;	/* one port per *logical* card */
+
+	while (physcard) {
+		for (i = 0; i < SLIC_MAX_PORTS; i++) {
+			if (!physcard->adapter[i])
+				continue;
+			else
+				break;
+		}
+		ASSERT(i != SLIC_MAX_PORTS);
+		if (physcard->adapter[i]->slotnumber == adapter->slotnumber)
+			break;
+		physcard = physcard->next;
+	}
+	if (!physcard) {
+		/* no structure allocated for this physical card yet */
+		physcard =
+		    (p_physcard_t) SLIC_ALLOCATE_MEM(sizeof(physcard_t),
+						     GFP_ATOMIC);
+		ASSERT(physcard);
+		SLIC_ZERO_MEMORY(physcard, sizeof(physcard_t));
+
+		DBG_MSG
+		    ("\n%s Allocate a PHYSICALcard:\n    PHYSICAL_Card[%p]\n\
+		     LogicalCard  [%p]\n    adapter      [%p]\n",
+		     __func__, physcard, card, adapter);
+
+		physcard->next = slic_global.phys_card;
+		slic_global.phys_card = physcard;
+		physcard->adapters_allocd = 1;
+	} else {
+		physcard->adapters_allocd++;
+	}
+	/* Note - this is ZERO relative */
+	adapter->physport = physcard->adapters_allocd - 1;
+
+	ASSERT(physcard->adapter[adapter->physport] == NULL);
+	physcard->adapter[adapter->physport] = adapter;
+	adapter->physcard = physcard;
+	DBG_MSG("    PHYSICAL_Port %d    Logical_Port  %d\n", adapter->physport,
+		adapter->port);
+
+	return 0;
+}
+
+void slic_card_remaster(p_adapter_t adapter)
+{
+	p_sliccard_t card = adapter->card;
+	int i;
+
+	DBG_MSG("slicoss: %s card->master[%p] == adapter[%p]??\n",
+		__func__, card->master, adapter);
+	if (card->master != adapter)
+		return;
+	card->master = NULL;
+	for (i = 0; i < SLIC_MAX_PORTS; i++) {
+		if (card->adapter[i] && (card->adapter[i] != adapter)) {
+			card->master = card->adapter[i];
+			DBG_MSG("slicoss: %s NEW MASTER SET card->master[%p]"
+				" == card->adapter[%d]\n", __func__,
+				card->master, i);
+			break;
+		}
+	}
+}
+
+void slic_soft_reset(p_adapter_t adapter)
+{
+	if (adapter->card->state == CARD_UP) {
+		DBG_MSG("slicoss: %s QUIESCE adapter[%p] card[%p] devid[%x]\n",
+			__func__, adapter, adapter->card, adapter->devid);
+		WRITE_REG(adapter->slic_regs->slic_quiesce, 0, FLUSH);
+		slic_stall_msec(1);
+	}
+/*      DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x]\n",
+	__func__, adapter->netdev->name, adapter, adapter->card,
+	   adapter->devid); */
+
+	WRITE_REG(adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC, FLUSH);
+	slic_stall_msec(1);
+}
+
+void slic_card_reset(p_adapter_t adapter)
+{
+	p_sliccard_t card = adapter->card;
+	p_slic_upr_t upr = adapter->upr_list;
+	p_slic_upr_t upr_next = NULL;
+	ulong32 i;
+#if SLIC_FAILURE_RESET
+	ulong32 status = 0;
+#endif
+	DBG_MSG
+	    ("slicoss: %s adapter[%p] port[%d] state[%x] card[%p] state[%x]\n",
+	     __func__, adapter, adapter->port, adapter->state, card,
+	     card->state);
+	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->adapter_lock);
+	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->reset_lock);
+	if (card->state == CARD_DIAG) {
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock);
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock);
+		return;
+	}
+	SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
+	card->reset_in_progress = 1;
+#if SLIC_FAILURE_RESET
+	if (adapter->state != ADAPT_RESET) {
+		SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock);
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock);
+		return;
+	}
+
+	adapter->state = ADAPT_DOWN;
+	adapter->linkstate = LINK_DOWN;
+#endif
+	if (adapter->gennumber == card->gennumber) {
+		for (i = 0; i < card->card_size; i++) {
+			if (card->adapter[i]) {
+				if (card->adapter[i] == adapter)
+					continue;
+				if (card->adapter[i]->state == ADAPT_UP) {
+					card->adapter[i]->state = ADAPT_RESET;
+					adapter->linkstate = LINK_DOWN;
+				}
+			}
+		}
+#if SLIC_FAILURE_RESET
+		slic_soft_reset(adapter);
+		card->state = CARD_DOWN;
+		card->master = NULL;
+		card->adapters_activated = 0;
+#endif
+		card->gennumber++;
+	}
+	adapter->gennumber = card->gennumber;
+	adapter->pshmem->isr = 0;
+	adapter->isrcopy = 0;
+	SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock);
+	for (i = 0; i < card->card_size; i++) {
+		if (card->adapter[i])
+			slic_cmdq_reset(card->adapter[i]);
+	}
+	while (upr) {
+		upr_next = upr->next;
+		SLIC_DEALLOCATE_MEM(upr);
+		upr = upr_next;
+	}
+	adapter->upr_list = NULL;
+	adapter->upr_busy = 0;
+#if SLIC_FAILURE_RESET
+	status = slic_if_init(adapter);
+	if ((status == 0) && (!card->master))
+		card->master = adapter;
+	slic_mcast_set_mask(adapter);
+#endif
+	SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+	SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock);
+	DBG_MSG
+	    ("slicoss: %s EXIT adapter[%p] port[%d] state[%x] card[%p] \
+	      state[%x]\n", __func__, adapter, adapter->port, adapter->state,
+	      card, card->state);
+	return;
+}
+
+void slic_config_set(p_adapter_t adapter, boolean linkchange)
+{
+	ulong32 value;
+	ulong32 RcrReset;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	DBG_MSG("slicoss: %s (%s) slic_interface_enable[%p](%d)\n",
+		__func__, adapter->netdev->name, adapter,
+		adapter->cardindex);
+
+	if (linkchange) {
+		/* Setup MAC */
+		slic_mac_config(adapter);
+		RcrReset = GRCR_RESET;
+	} else {
+		slic_mac_address_config(adapter);
+		RcrReset = 0;
+	}
+
+	if (adapter->linkduplex == LINK_FULLD) {
+		/* setup xmtcfg */
+		value = (GXCR_RESET |	/* Always reset     */
+			 GXCR_XMTEN |	/* Enable transmit  */
+			 GXCR_PAUSEEN);	/* Enable pause     */
+
+		DBG_MSG("slicoss: FDX adapt[%p] set xmtcfg to [%x]\n", adapter,
+			value);
+		WRITE_REG(slic_regs->slic_wxcfg, value, FLUSH);
+
+		/* Setup rcvcfg last */
+		value = (RcrReset |	/* Reset, if linkchange */
+			 GRCR_CTLEN |	/* Enable CTL frames    */
+			 GRCR_ADDRAEN |	/* Address A enable     */
+			 GRCR_RCVBAD |	/* Rcv bad frames       */
+			 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
+	} else {
+		/* setup xmtcfg */
+		value = (GXCR_RESET |	/* Always reset     */
+			 GXCR_XMTEN);	/* Enable transmit  */
+
+		DBG_MSG("slicoss: HDX adapt[%p] set xmtcfg to [%x]\n", adapter,
+			value);
+		WRITE_REG(slic_regs->slic_wxcfg, value, FLUSH);
+
+		/* Setup rcvcfg last */
+		value = (RcrReset |	/* Reset, if linkchange */
+			 GRCR_ADDRAEN |	/* Address A enable     */
+			 GRCR_RCVBAD |	/* Rcv bad frames       */
+			 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
+	}
+
+	if (adapter->state != ADAPT_DOWN) {
+		/* Only enable receive if we are restarting or running */
+		value |= GRCR_RCVEN;
+	}
+
+	if (adapter->macopts & MAC_PROMISC)
+		value |= GRCR_RCVALL;
+
+	DBG_MSG("slicoss: adapt[%p] set rcvcfg to [%x]\n", adapter, value);
+	WRITE_REG(slic_regs->slic_wrcfg, value, FLUSH);
+}
+
+/*
+ *  Turn off RCV and XMT, power down PHY
+ */
+void slic_config_clear(p_adapter_t adapter)
+{
+	ulong32 value;
+	ulong32 phy_config;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	/* Setup xmtcfg */
+	value = (GXCR_RESET |	/* Always reset */
+		 GXCR_PAUSEEN);	/* Enable pause */
+
+	WRITE_REG(slic_regs->slic_wxcfg, value, FLUSH);
+
+	value = (GRCR_RESET |	/* Always reset      */
+		 GRCR_CTLEN |	/* Enable CTL frames */
+		 GRCR_ADDRAEN |	/* Address A enable  */
+		 (GRCR_HASHSIZE << GRCR_HASHSIZE_SHIFT));
+
+	WRITE_REG(slic_regs->slic_wrcfg, value, FLUSH);
+
+	/* power down phy */
+	phy_config = (MIICR_REG_PCR | (PCR_POWERDOWN));
+	WRITE_REG(slic_regs->slic_wphy, phy_config, FLUSH);
+}
+
+void slic_config_get(p_adapter_t adapter, ulong32 config, ulong32 config_h)
+{
+	int status;
+
+	status = slic_upr_request(adapter,
+				  SLIC_UPR_RCONFIG,
+				  (ulong32) config, (ulong32) config_h, 0, 0);
+	ASSERT(status == 0);
+}
+
+void slic_mac_address_config(p_adapter_t adapter)
+{
+	ulong32 value;
+	ulong32 value2;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	value = *(pulong32) &adapter->currmacaddr[2];
+	value = ntohl(value);
+	WRITE_REG(slic_regs->slic_wraddral, value, FLUSH);
+	WRITE_REG(slic_regs->slic_wraddrbl, value, FLUSH);
+
+	value2 = (ulong32) ((adapter->currmacaddr[0] << 8 |
+			     adapter->currmacaddr[1]) & 0xFFFF);
+
+	WRITE_REG(slic_regs->slic_wraddrah, value2, FLUSH);
+	WRITE_REG(slic_regs->slic_wraddrbh, value2, FLUSH);
+
+	DBG_MSG("%s value1[%x] value2[%x] Call slic_mcast_set_mask\n",
+		__func__, value, value2);
+	slic_dbg_macaddrs(adapter);
+
+	/* Write our multicast mask out to the card.  This is done */
+	/* here in addition to the slic_mcast_addr_set routine     */
+	/* because ALL_MCAST may have been enabled or disabled     */
+	slic_mcast_set_mask(adapter);
+}
+
+void slic_mac_config(p_adapter_t adapter)
+{
+	ulong32 value;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+
+	/* Setup GMAC gaps */
+	if (adapter->linkspeed == LINK_1000MB) {
+		value = ((GMCR_GAPBB_1000 << GMCR_GAPBB_SHIFT) |
+			 (GMCR_GAPR1_1000 << GMCR_GAPR1_SHIFT) |
+			 (GMCR_GAPR2_1000 << GMCR_GAPR2_SHIFT));
+	} else {
+		value = ((GMCR_GAPBB_100 << GMCR_GAPBB_SHIFT) |
+			 (GMCR_GAPR1_100 << GMCR_GAPR1_SHIFT) |
+			 (GMCR_GAPR2_100 << GMCR_GAPR2_SHIFT));
+	}
+
+	/* enable GMII */
+	if (adapter->linkspeed == LINK_1000MB)
+		value |= GMCR_GBIT;
+
+	/* enable fullduplex */
+	if ((adapter->linkduplex == LINK_FULLD)
+	    || (adapter->macopts & MAC_LOOPBACK)) {
+		value |= GMCR_FULLD;
+	}
+
+	/* write mac config */
+	WRITE_REG(slic_regs->slic_wmcfg, value, FLUSH);
+
+	/* setup mac addresses */
+	slic_mac_address_config(adapter);
+}
+
+boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame)
+{
+	ulong32 opts = adapter->macopts;
+	pulong32 dhost4 = (pulong32) &ether_frame->ether_dhost[0];
+	pushort dhost2 = (pushort) &ether_frame->ether_dhost[4];
+	boolean equaladdr;
+
+	if (opts & MAC_PROMISC) {
+		DBG_MSG("slicoss: %s (%s) PROMISCUOUS. Accept frame\n",
+			__func__, adapter->netdev->name);
+		return TRUE;
+	}
+
+	if ((*dhost4 == 0xFFFFFFFF) && (*dhost2 == 0xFFFF)) {
+		if (opts & MAC_BCAST) {
+			adapter->rcv_broadcasts++;
+			return TRUE;
+		} else {
+			return FALSE;
+		}
+	}
+
+	if (ether_frame->ether_dhost[0] & 0x01) {
+		if (opts & MAC_ALLMCAST) {
+			adapter->rcv_multicasts++;
+			adapter->stats.multicast++;
+			return TRUE;
+		}
+		if (opts & MAC_MCAST) {
+			p_mcast_address_t mcaddr = adapter->mcastaddrs;
+
+			while (mcaddr) {
+				ETHER_EQ_ADDR(mcaddr->address,
+					      ether_frame->ether_dhost,
+					      equaladdr);
+				if (equaladdr) {
+					adapter->rcv_multicasts++;
+					adapter->stats.multicast++;
+					return TRUE;
+				}
+				mcaddr = mcaddr->next;
+			}
+			return FALSE;
+		} else {
+			return FALSE;
+		}
+	}
+	if (opts & MAC_DIRECTED) {
+		adapter->rcv_unicasts++;
+		return TRUE;
+	}
+	return FALSE;
+
+}
+
+int slic_mac_set_address(struct net_device *dev, pvoid ptr)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	struct sockaddr *addr = ptr;
+
+	DBG_MSG("%s ENTER (%s)\n", __func__, adapter->netdev->name);
+
+	if (netif_running(dev))
+		return -EBUSY;
+	if (!adapter)
+		return -EBUSY;
+	DBG_MSG("slicoss: %s (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		__func__, adapter->netdev->name, adapter->currmacaddr[0],
+		adapter->currmacaddr[1], adapter->currmacaddr[2],
+		adapter->currmacaddr[3], adapter->currmacaddr[4],
+		adapter->currmacaddr[5]);
+	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+	memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
+	DBG_MSG("slicoss: %s (%s) new %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		__func__, adapter->netdev->name, adapter->currmacaddr[0],
+		adapter->currmacaddr[1], adapter->currmacaddr[2],
+		adapter->currmacaddr[3], adapter->currmacaddr[4],
+		adapter->currmacaddr[5]);
+
+	slic_config_set(adapter, TRUE);
+	return 0;
+}
+
+/*
+ *  slic_timer_get_stats
+ *
+ * Timer function used to suck the statistics out of the card every
+ * 50 seconds or whatever STATS_TIMER_INTERVAL is set to.
+ *
+ */
+void slic_timer_get_stats(ulong dev)
+{
+	p_adapter_t adapter;
+	p_sliccard_t card;
+	p_slic_shmem_t pshmem;
+
+	ASSERT(dev);
+	adapter = (p_adapter_t) ((struct net_device *)dev)->priv;
+	ASSERT(adapter);
+	card = adapter->card;
+	ASSERT(card);
+
+	if ((card->state == CARD_UP) &&
+	    (adapter->state == ADAPT_UP) && (adapter->linkstate == LINK_UP)) {
+		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+#ifdef CONFIG_X86_64
+		slic_upr_request(adapter,
+				 SLIC_UPR_STATS,
+				 SLIC_GET_ADDR_LOW(&pshmem->inicstats),
+				 SLIC_GET_ADDR_HIGH(&pshmem->inicstats), 0, 0);
+#elif defined(CONFIG_X86)
+		slic_upr_request(adapter,
+				 SLIC_UPR_STATS,
+				 (ulong32) &pshmem->inicstats, 0, 0, 0);
+#else
+		Stop compilation;
+#endif
+	} else {
+/*		DBG_MSG ("slicoss: %s adapter[%p] linkstate[%x] NOT UP!\n",
+			__func__, adapter, adapter->linkstate); */
+	}
+	adapter->statstimer.expires = jiffies +
+	    SLIC_SECS_TO_JIFFS(STATS_TIMER_INTERVAL);
+	add_timer(&adapter->statstimer);
+}
+
+void slic_timer_load_check(ulong cardaddr)
+{
+	p_sliccard_t card = (p_sliccard_t) cardaddr;
+	p_adapter_t adapter = card->master;
+	ulong32 load = card->events;
+	ulong32 level = 0;
+
+	if ((adapter) && (adapter->state == ADAPT_UP) &&
+	    (card->state == CARD_UP) && (slic_global.dynamic_intagg)) {
+		if (adapter->devid == SLIC_1GB_DEVICE_ID) {
+			if (adapter->linkspeed == LINK_1000MB)
+				level = 100;
+			else {
+				if (load > SLIC_LOAD_5)
+					level = SLIC_INTAGG_5;
+				else if (load > SLIC_LOAD_4)
+					level = SLIC_INTAGG_4;
+				else if (load > SLIC_LOAD_3)
+					level = SLIC_INTAGG_3;
+				else if (load > SLIC_LOAD_2)
+					level = SLIC_INTAGG_2;
+				else if (load > SLIC_LOAD_1)
+					level = SLIC_INTAGG_1;
+				else
+					level = SLIC_INTAGG_0;
+			}
+			if (card->loadlevel_current != level) {
+				card->loadlevel_current = level;
+				WRITE_REG(adapter->slic_regs->slic_intagg,
+					  level, FLUSH);
+			}
+		} else {
+			if (load > SLIC_LOAD_5)
+				level = SLIC_INTAGG_5;
+			else if (load > SLIC_LOAD_4)
+				level = SLIC_INTAGG_4;
+			else if (load > SLIC_LOAD_3)
+				level = SLIC_INTAGG_3;
+			else if (load > SLIC_LOAD_2)
+				level = SLIC_INTAGG_2;
+			else if (load > SLIC_LOAD_1)
+				level = SLIC_INTAGG_1;
+			else
+				level = SLIC_INTAGG_0;
+			if (card->loadlevel_current != level) {
+				card->loadlevel_current = level;
+				WRITE_REG(adapter->slic_regs->slic_intagg,
+					  level, FLUSH);
+			}
+		}
+	}
+	card->events = 0;
+	card->loadtimer.expires =
+	    jiffies + SLIC_SECS_TO_JIFFS(SLIC_LOADTIMER_PERIOD);
+	add_timer(&card->loadtimer);
+}
+
+void slic_stall_msec(int stall)
+{
+	mdelay(stall);
+}
+
+void slic_stall_usec(int stall)
+{
+	udelay(stall);
+}
+
+void slic_assert_fail(void)
+{
+	ulong32 cpuid;
+	ulong32 curr_pid;
+	cpuid = smp_processor_id();
+	curr_pid = current->pid;
+
+	DBG_ERROR("%s CPU # %d ---- PID # %d\n", __func__, cpuid, curr_pid);
+}
+
+int slic_upr_queue_request(p_adapter_t adapter,
+			   ulong32 upr_request,
+			   ulong32 upr_data,
+			   ulong32 upr_data_h,
+			   ulong32 upr_buffer, ulong32 upr_buffer_h)
+{
+	p_slic_upr_t upr;
+	p_slic_upr_t uprqueue;
+
+	upr = SLIC_ALLOCATE_MEM(sizeof(slic_upr_t), GFP_ATOMIC);
+	if (!upr) {
+		DBG_MSG("%s COULD NOT ALLOCATE UPR MEM\n", __func__);
+
+		return -ENOMEM;
+	}
+	upr->adapter = adapter->port;
+	upr->upr_request = upr_request;
+	upr->upr_data = upr_data;
+	upr->upr_buffer = upr_buffer;
+	upr->upr_data_h = upr_data_h;
+	upr->upr_buffer_h = upr_buffer_h;
+	upr->next = NULL;
+	if (adapter->upr_list) {
+		uprqueue = adapter->upr_list;
+
+		while (uprqueue->next)
+			uprqueue = uprqueue->next;
+		uprqueue->next = upr;
+	} else {
+		adapter->upr_list = upr;
+	}
+	return STATUS_SUCCESS;
+}
+
+int slic_upr_request(p_adapter_t adapter,
+		     ulong32 upr_request,
+		     ulong32 upr_data,
+		     ulong32 upr_data_h,
+		     ulong32 upr_buffer, ulong32 upr_buffer_h)
+{
+	int status;
+
+	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock);
+	status = slic_upr_queue_request(adapter,
+					upr_request,
+					upr_data,
+					upr_data_h, upr_buffer, upr_buffer_h);
+	if (status != STATUS_SUCCESS) {
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+		return status;
+	}
+	slic_upr_start(adapter);
+	SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+	return STATUS_PENDING;
+}
+
+void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr)
+{
+	p_sliccard_t card = adapter->card;
+	p_slic_upr_t upr;
+
+/*    if (card->dump_requested) {
+	DBG_MSG("ENTER slic_upr_request_complete Dump in progress ISR[%x]\n",
+		isr);
+      } */
+	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock);
+	upr = adapter->upr_list;
+	if (!upr) {
+		ASSERT(0);
+		SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+		return;
+	}
+	adapter->upr_list = upr->next;
+	upr->next = NULL;
+	adapter->upr_busy = 0;
+	ASSERT(adapter->port == upr->adapter);
+	switch (upr->upr_request) {
+	case SLIC_UPR_STATS:
+		{
+#if SLIC_GET_STATS_ENABLED
+			p_slic_stats_t slicstats =
+			    (p_slic_stats_t) &adapter->pshmem->inicstats;
+			p_slic_stats_t newstats = slicstats;
+			p_slic_stats_t old = &adapter->inicstats_prev;
+			p_slicnet_stats_t stst = &adapter->slic_stats;
+#endif
+			if (isr & ISR_UPCERR) {
+				DBG_ERROR
+				    ("SLIC_UPR_STATS command failed isr[%x]\n",
+				     isr);
+
+				break;
+			}
+#if SLIC_GET_STATS_ENABLED
+/*			DBG_MSG ("slicoss: %s rcv %lx:%lx:%lx:%lx:%lx %lx %lx "
+				"xmt %lx:%lx:%lx:%lx:%lx %lx %lx\n",
+				 __func__,
+			     slicstats->rcv_unicasts100,
+			     slicstats->rcv_bytes100,
+			     slicstats->rcv_bytes100,
+			     slicstats->rcv_tcp_bytes100,
+			     slicstats->rcv_tcp_segs100,
+			     slicstats->rcv_other_error100,
+			     slicstats->rcv_drops100,
+			     slicstats->xmit_unicasts100,
+			     slicstats->xmit_bytes100,
+			     slicstats->xmit_bytes100,
+			     slicstats->xmit_tcp_bytes100,
+			     slicstats->xmit_tcp_segs100,
+			     slicstats->xmit_other_error100,
+			     slicstats->xmit_collisions100);*/
+			UPDATE_STATS_GB(stst->tcp.xmit_tcp_segs,
+					newstats->xmit_tcp_segs_gb,
+					old->xmit_tcp_segs_gb);
+
+			UPDATE_STATS_GB(stst->tcp.xmit_tcp_bytes,
+					newstats->xmit_tcp_bytes_gb,
+					old->xmit_tcp_bytes_gb);
+
+			UPDATE_STATS_GB(stst->tcp.rcv_tcp_segs,
+					newstats->rcv_tcp_segs_gb,
+					old->rcv_tcp_segs_gb);
+
+			UPDATE_STATS_GB(stst->tcp.rcv_tcp_bytes,
+					newstats->rcv_tcp_bytes_gb,
+					old->rcv_tcp_bytes_gb);
+
+			UPDATE_STATS_GB(stst->iface.xmt_bytes,
+					newstats->xmit_bytes_gb,
+					old->xmit_bytes_gb);
+
+			UPDATE_STATS_GB(stst->iface.xmt_ucast,
+					newstats->xmit_unicasts_gb,
+					old->xmit_unicasts_gb);
+
+			UPDATE_STATS_GB(stst->iface.rcv_bytes,
+					newstats->rcv_bytes_gb,
+					old->rcv_bytes_gb);
+
+			UPDATE_STATS_GB(stst->iface.rcv_ucast,
+					newstats->rcv_unicasts_gb,
+					old->rcv_unicasts_gb);
+
+			UPDATE_STATS_GB(stst->iface.xmt_errors,
+					newstats->xmit_collisions_gb,
+					old->xmit_collisions_gb);
+
+			UPDATE_STATS_GB(stst->iface.xmt_errors,
+					newstats->xmit_excess_collisions_gb,
+					old->xmit_excess_collisions_gb);
+
+			UPDATE_STATS_GB(stst->iface.xmt_errors,
+					newstats->xmit_other_error_gb,
+					old->xmit_other_error_gb);
+
+			UPDATE_STATS_GB(stst->iface.rcv_errors,
+					newstats->rcv_other_error_gb,
+					old->rcv_other_error_gb);
+
+			UPDATE_STATS_GB(stst->iface.rcv_discards,
+					newstats->rcv_drops_gb,
+					old->rcv_drops_gb);
+
+			if (newstats->rcv_drops_gb > old->rcv_drops_gb) {
+				adapter->rcv_drops +=
+				    (newstats->rcv_drops_gb -
+				     old->rcv_drops_gb);
+			}
+			memcpy(old, newstats, sizeof(slic_stats_t));
+#endif
+			break;
+		}
+	case SLIC_UPR_RLSR:
+		slic_link_upr_complete(adapter, isr);
+		break;
+	case SLIC_UPR_RCONFIG:
+		break;
+	case SLIC_UPR_RPHY:
+		ASSERT(0);
+		break;
+	case SLIC_UPR_ENLB:
+		ASSERT(0);
+		break;
+	case SLIC_UPR_ENCT:
+		ASSERT(0);
+		break;
+	case SLIC_UPR_PDWN:
+		ASSERT(0);
+		break;
+	case SLIC_UPR_PING:
+		card->pingstatus |= (isr & ISR_PINGDSMASK);
+		break;
+#if SLIC_DUMP_ENABLED
+	case SLIC_UPR_DUMP:
+		card->dumpstatus |= (isr & ISR_UPCMASK);
+		break;
+#endif
+	default:
+		ASSERT(0);
+	}
+	SLIC_DEALLOCATE_MEM(upr);
+	slic_upr_start(adapter);
+	SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+}
+
+void slic_upr_start(p_adapter_t adapter)
+{
+	p_slic_upr_t upr;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+/*
+    char * ptr1;
+    char * ptr2;
+    uint cmdoffset;
+*/
+	upr = adapter->upr_list;
+	if (!upr)
+		return;
+	if (adapter->upr_busy)
+		return;
+	adapter->upr_busy = 1;
+
+	switch (upr->upr_request) {
+	case SLIC_UPR_STATS:
+		if (upr->upr_data_h == 0) {
+			WRITE_REG(slic_regs->slic_stats, upr->upr_data, FLUSH);
+		} else {
+			WRITE_REG64(adapter,
+				    slic_regs->slic_stats64,
+				    upr->upr_data,
+				    slic_regs->slic_addr_upper,
+				    upr->upr_data_h, FLUSH);
+		}
+		break;
+
+	case SLIC_UPR_RLSR:
+		WRITE_REG64(adapter,
+			    slic_regs->slic_rlsr,
+			    upr->upr_data,
+			    slic_regs->slic_addr_upper, upr->upr_data_h, FLUSH);
+		break;
+
+	case SLIC_UPR_RCONFIG:
+		DBG_MSG("%s SLIC_UPR_RCONFIG!!!!\n", __func__);
+		DBG_MSG("WRITE_REG64 adapter[%p]\n"
+			"    a->slic_regs[%p] slic_regs[%p]\n"
+			"    &slic_rconfig[%p] &slic_addr_upper[%p]\n"
+			"    upr[%p]\n"
+			"    uprdata[%x] uprdatah[%x]\n",
+			adapter, adapter->slic_regs, slic_regs,
+			&slic_regs->slic_rconfig, &slic_regs->slic_addr_upper,
+			upr, upr->upr_data, upr->upr_data_h);
+		WRITE_REG64(adapter,
+			    slic_regs->slic_rconfig,
+			    upr->upr_data,
+			    slic_regs->slic_addr_upper, upr->upr_data_h, FLUSH);
+		break;
+#if SLIC_DUMP_ENABLED
+	case SLIC_UPR_DUMP:
+#if 0
+		DBG_MSG("%s SLIC_UPR_DUMP!!!!\n", __func__);
+		DBG_MSG("WRITE_REG64 adapter[%p]\n"
+			 "    upr_buffer[%x]   upr_bufferh[%x]\n"
+			 "    upr_data[%x]     upr_datah[%x]\n"
+			 "    cmdbuff[%p] cmdbuffP[%p]\n"
+			 "    dumpbuff[%p] dumpbuffP[%p]\n",
+			 adapter, upr->upr_buffer, upr->upr_buffer_h,
+			 upr->upr_data, upr->upr_data_h,
+			 adapter->card->cmdbuffer,
+			 (void *)adapter->card->cmdbuffer_phys,
+			 adapter->card->dumpbuffer, (
+			 void *)adapter->card->dumpbuffer_phys);
+
+		ptr1 = (char *)slic_regs;
+		ptr2 = (char *)(&slic_regs->slic_dump_cmd);
+		cmdoffset = ptr2 - ptr1;
+		DBG_MSG("slic_dump_cmd register offset [%x]\n", cmdoffset);
+#endif
+		if (upr->upr_buffer || upr->upr_buffer_h) {
+			WRITE_REG64(adapter,
+				    slic_regs->slic_dump_data,
+				    upr->upr_buffer,
+				    slic_regs->slic_addr_upper,
+				    upr->upr_buffer_h, FLUSH);
+		}
+		WRITE_REG64(adapter,
+			    slic_regs->slic_dump_cmd,
+			    upr->upr_data,
+			    slic_regs->slic_addr_upper, upr->upr_data_h, FLUSH);
+		break;
+#endif
+	case SLIC_UPR_PING:
+		WRITE_REG(slic_regs->slic_ping, 1, FLUSH);
+		break;
+	default:
+		ASSERT(0);
+	}
+}
+
+void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr)
+{
+	ulong32 linkstatus = adapter->pshmem->linkstatus;
+	uint linkup;
+	uchar linkspeed;
+	uchar linkduplex;
+
+	DBG_MSG("%s: %s ISR[%x] linkstatus[%x]\n   adapter[%p](%d)\n",
+		__func__, adapter->netdev->name, isr, linkstatus, adapter,
+		adapter->cardindex);
+
+	if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
+		p_slic_shmem_t pshmem;
+
+		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+#if defined(CONFIG_X86_64)
+		slic_upr_queue_request(adapter,
+				       SLIC_UPR_RLSR,
+				       SLIC_GET_ADDR_LOW(&pshmem->linkstatus),
+				       SLIC_GET_ADDR_HIGH(&pshmem->linkstatus),
+				       0, 0);
+#elif defined(CONFIG_X86)
+		slic_upr_queue_request(adapter,
+				       SLIC_UPR_RLSR,
+				       (ulong32) &pshmem->linkstatus,
+				       SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
+#else
+		Stop Compilation;
+#endif
+		return;
+	}
+	if (adapter->state != ADAPT_UP)
+		return;
+
+	ASSERT((adapter->devid == SLIC_1GB_DEVICE_ID)
+	       || (adapter->devid == SLIC_2GB_DEVICE_ID));
+
+	linkup = linkstatus & GIG_LINKUP ? LINK_UP : LINK_DOWN;
+	if (linkstatus & GIG_SPEED_1000) {
+		linkspeed = LINK_1000MB;
+		DBG_MSG("slicoss: %s (%s) GIGABIT Speed==1000MB  ",
+			__func__, adapter->netdev->name);
+	} else if (linkstatus & GIG_SPEED_100) {
+		linkspeed = LINK_100MB;
+		DBG_MSG("slicoss: %s (%s) GIGABIT Speed==100MB  ", __func__,
+			adapter->netdev->name);
+	} else {
+		linkspeed = LINK_10MB;
+		DBG_MSG("slicoss: %s (%s) GIGABIT Speed==10MB  ", __func__,
+			adapter->netdev->name);
+	}
+	if (linkstatus & GIG_FULLDUPLEX) {
+		linkduplex = LINK_FULLD;
+		DBG_MSG(" Duplex == FULL\n");
+	} else {
+		linkduplex = LINK_HALFD;
+		DBG_MSG(" Duplex == HALF\n");
+	}
+
+	if ((adapter->linkstate == LINK_DOWN) && (linkup == LINK_DOWN)) {
+		DBG_MSG("slicoss: %s (%s) physport(%d) link still down\n",
+			__func__, adapter->netdev->name, adapter->physport);
+		return;
+	}
+
+	/* link up event, but nothing has changed */
+	if ((adapter->linkstate == LINK_UP) &&
+	    (linkup == LINK_UP) &&
+	    (adapter->linkspeed == linkspeed) &&
+	    (adapter->linkduplex == linkduplex)) {
+		DBG_MSG("slicoss: %s (%s) port(%d) link still up\n",
+			__func__, adapter->netdev->name, adapter->physport);
+		return;
+	}
+
+	/* link has changed at this point */
+
+	/* link has gone from up to down */
+	if (linkup == LINK_DOWN) {
+		adapter->linkstate = LINK_DOWN;
+		DBG_MSG("slicoss: %s %d LinkDown!\n", __func__,
+			adapter->physport);
+		return;
+	}
+
+	/* link has gone from down to up */
+	adapter->linkspeed = linkspeed;
+	adapter->linkduplex = linkduplex;
+
+	if (adapter->linkstate != LINK_UP) {
+		/* setup the mac */
+		DBG_MSG("%s call slic_config_set\n", __func__);
+		slic_config_set(adapter, TRUE);
+		adapter->linkstate = LINK_UP;
+		DBG_MSG("\n(%s) Link UP: CALL slic_if_start_queue",
+			adapter->netdev->name);
+		slic_if_start_queue(adapter);
+	}
+#if 1
+	switch (linkspeed) {
+	case LINK_1000MB:
+		DBG_MSG
+		    ("\n(%s) LINK UP!: GIGABIT SPEED == 1000MB  duplex[%x]\n",
+		     adapter->netdev->name, adapter->linkduplex);
+		break;
+	case LINK_100MB:
+		DBG_MSG("\n(%s) LINK UP!: SPEED == 100MB  duplex[%x]\n",
+			adapter->netdev->name, adapter->linkduplex);
+		break;
+	default:
+		DBG_MSG("\n(%s) LINK UP!: SPEED == 10MB  duplex[%x]\n",
+			adapter->netdev->name, adapter->linkduplex);
+		break;
+	}
+#endif
+}
+
+/*
+ *  this is here to checksum the eeprom, there is some ucode bug
+ *  which prevens us from using the ucode result.
+ *  remove this once ucode is fixed.
+ */
+ushort slic_eeprom_cksum(pchar m, int len)
+{
+#define ADDCARRY(x)  (x > 65535 ? x -= 65535 : x)
+#define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; ADDCARRY(sum);\
+		}
+
+	pushort w;
+	ulong32 sum = 0;
+	ulong32 byte_swapped = 0;
+	ulong32 w_int;
+
+	union {
+		char c[2];
+		ushort s;
+	} s_util;
+
+	union {
+		ushort s[2];
+		int l;
+	} l_util;
+
+	l_util.l = 0;
+	s_util.s = 0;
+
+	w = (pushort) m;
+#ifdef CONFIG_X86_64
+	w_int = (ulong32) ((ulong) w & 0x00000000FFFFFFFF);
+#else
+	w_int = (ulong32) (w);
+#endif
+	if ((1 & w_int) && (len > 0)) {
+		REDUCE;
+		sum <<= 8;
+		s_util.c[0] = *(puchar) w;
+		w = (pushort) ((char *)w + 1);
+		len--;
+		byte_swapped = 1;
+	}
+
+	/* Unroll the loop to make overhead from branches &c small. */
+	while ((len -= 32) >= 0) {
+		sum += w[0];
+		sum += w[1];
+		sum += w[2];
+		sum += w[3];
+		sum += w[4];
+		sum += w[5];
+		sum += w[6];
+		sum += w[7];
+		sum += w[8];
+		sum += w[9];
+		sum += w[10];
+		sum += w[11];
+		sum += w[12];
+		sum += w[13];
+		sum += w[14];
+		sum += w[15];
+		w = (pushort) ((ulong) w + 16);	/* verify */
+	}
+	len += 32;
+	while ((len -= 8) >= 0) {
+		sum += w[0];
+		sum += w[1];
+		sum += w[2];
+		sum += w[3];
+		w = (pushort) ((ulong) w + 4);	/* verify */
+	}
+	len += 8;
+	if (len != 0 || byte_swapped != 0) {
+		REDUCE;
+		while ((len -= 2) >= 0)
+			sum += *w++;	/* verify */
+		if (byte_swapped) {
+			REDUCE;
+			sum <<= 8;
+			byte_swapped = 0;
+			if (len == -1) {
+				s_util.c[1] = *(pchar) w;
+				sum += s_util.s;
+				len = 0;
+			} else {
+				len = -1;
+			}
+
+		} else if (len == -1) {
+			s_util.c[0] = *(pchar) w;
+		}
+
+		if (len == -1) {
+			s_util.c[1] = 0;
+			sum += s_util.s;
+		}
+	}
+	REDUCE;
+	return (ushort) sum;
+}
+
+int slic_rspqueue_init(p_adapter_t adapter)
+{
+	int i;
+	p_slic_rspqueue_t rspq = &adapter->rspqueue;
+	p_slic_regs_t slic_regs = adapter->slic_regs;
+	ulong32 paddrh = 0;
+
+	DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__,
+		adapter->netdev->name, adapter);
+	ASSERT(adapter->state == ADAPT_DOWN);
+	SLIC_ZERO_MEMORY(rspq, sizeof(slic_rspqueue_t));
+
+	rspq->num_pages = SLIC_RSPQ_PAGES_GB;
+
+	for (i = 0; i < rspq->num_pages; i++) {
+		rspq->vaddr[i] =
+		    pci_alloc_consistent(adapter->pcidev, PAGE_SIZE,
+					 &rspq->paddr[i]);
+		if (!rspq->vaddr[i]) {
+			DBG_ERROR
+			    ("rspqueue_init_failed  pci_alloc_consistent\n");
+			slic_rspqueue_free(adapter);
+			return STATUS_FAILURE;
+		}
+#ifndef CONFIG_X86_64
+		ASSERT(((ulong32) rspq->vaddr[i] & 0xFFFFF000) ==
+		       (ulong32) rspq->vaddr[i]);
+		ASSERT(((ulong32) rspq->paddr[i] & 0xFFFFF000) ==
+		       (ulong32) rspq->paddr[i]);
+#endif
+		SLIC_ZERO_MEMORY(rspq->vaddr[i], PAGE_SIZE);
+/*              DBG_MSG("slicoss: %s UPLOAD RSPBUFF Page pageix[%x] paddr[%p] "
+			"vaddr[%p]\n",
+			__func__, i, (void *)rspq->paddr[i], rspq->vaddr[i]); */
+
+		if (paddrh == 0) {
+			WRITE_REG(slic_regs->slic_rbar,
+				  (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
+				  DONT_FLUSH);
+		} else {
+			WRITE_REG64(adapter,
+				    slic_regs->slic_rbar64,
+				    (rspq->paddr[i] | SLIC_RSPQ_BUFSINPAGE),
+				    slic_regs->slic_addr_upper,
+				    paddrh, DONT_FLUSH);
+		}
+	}
+	rspq->offset = 0;
+	rspq->pageindex = 0;
+	rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[0];
+	DBG_MSG("slicoss: %s (%s) EXIT adapter[%p]\n", __func__,
+		adapter->netdev->name, adapter);
+	return STATUS_SUCCESS;
+}
+
+int slic_rspqueue_reset(p_adapter_t adapter)
+{
+	p_slic_rspqueue_t rspq = &adapter->rspqueue;
+
+	DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__,
+		adapter->netdev->name, adapter);
+	ASSERT(adapter->state == ADAPT_DOWN);
+	ASSERT(rspq);
+
+	DBG_MSG("slicoss: Nothing to do. rspq[%p]\n"
+		"                             offset[%x]\n"
+		"                             pageix[%x]\n"
+		"                             rspbuf[%p]\n",
+		rspq, rspq->offset, rspq->pageindex, rspq->rspbuf);
+
+	DBG_MSG("slicoss: %s (%s) EXIT adapter[%p]\n", __func__,
+		adapter->netdev->name, adapter);
+	return STATUS_SUCCESS;
+}
+
+void slic_rspqueue_free(p_adapter_t adapter)
+{
+	int i;
+	slic_rspqueue_t *rspq = &adapter->rspqueue;
+
+	DBG_MSG("slicoss: %s adapter[%p] port %d rspq[%p] FreeRSPQ\n",
+		__func__, adapter, adapter->physport, rspq);
+	for (i = 0; i < rspq->num_pages; i++) {
+		if (rspq->vaddr[i]) {
+			DBG_MSG
+			    ("slicoss:  pci_free_consistent rspq->vaddr[%p] \
+			    paddr[%p]\n",
+			     rspq->vaddr[i], (pvoid) rspq->paddr[i]);
+			pci_free_consistent(adapter->pcidev, PAGE_SIZE,
+					    rspq->vaddr[i], rspq->paddr[i]);
+		}
+		rspq->vaddr[i] = NULL;
+		rspq->paddr[i] = 0;
+	}
+	rspq->offset = 0;
+	rspq->pageindex = 0;
+	rspq->rspbuf = NULL;
+}
+
+p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter)
+{
+	p_slic_rspqueue_t rspq = &adapter->rspqueue;
+	p_slic_rspbuf_t buf;
+
+	if (!(rspq->rspbuf->status))
+		return NULL;
+
+	buf = rspq->rspbuf;
+#ifndef CONFIG_X86_64
+	ASSERT((buf->status & 0xFFFFFFE0) == 0);
+#endif
+	ASSERT(buf->hosthandle);
+	if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) {
+		rspq->rspbuf++;
+#ifndef CONFIG_X86_64
+		ASSERT(((ulong32) rspq->rspbuf & 0xFFFFFFE0) ==
+		       (ulong32) rspq->rspbuf);
+#endif
+	} else {
+		ASSERT(rspq->offset == SLIC_RSPQ_BUFSINPAGE);
+		WRITE_REG64(adapter,
+			    adapter->slic_regs->slic_rbar64,
+			    (rspq->
+			     paddr[rspq->pageindex] | SLIC_RSPQ_BUFSINPAGE),
+			    adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH);
+		rspq->pageindex = (++rspq->pageindex) % rspq->num_pages;
+		rspq->offset = 0;
+		rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[rspq->pageindex];
+#ifndef CONFIG_X86_64
+		ASSERT(((ulong32) rspq->rspbuf & 0xFFFFF000) ==
+		       (ulong32) rspq->rspbuf);
+#endif
+	}
+#ifndef CONFIG_X86_64
+	ASSERT(((ulong32) buf & 0xFFFFFFE0) == (ulong32) buf);
+#endif
+	return buf;
+}
+
+void slic_cmdqmem_init(p_adapter_t adapter)
+{
+	slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem;
+
+	SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t));
+}
+
+void slic_cmdqmem_free(p_adapter_t adapter)
+{
+	slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem;
+	int i;
+
+	DBG_MSG("slicoss: (%s) adapter[%p] port %d rspq[%p] Free CMDQ Memory\n",
+		__func__, adapter, adapter->physport, cmdqmem);
+	for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) {
+		if (cmdqmem->pages[i]) {
+			DBG_MSG("slicoss: %s Deallocate page  CmdQPage[%p]\n",
+				__func__, (pvoid) cmdqmem->pages[i]);
+			pci_free_consistent(adapter->pcidev,
+					    PAGE_SIZE,
+					    (pvoid) cmdqmem->pages[i],
+					    cmdqmem->dma_pages[i]);
+		}
+	}
+	SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t));
+}
+
+pulong32 slic_cmdqmem_addpage(p_adapter_t adapter)
+{
+	p_slic_cmdqmem_t cmdqmem = &adapter->cmdqmem;
+	pulong32 pageaddr;
+
+	if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES)
+		return NULL;
+	pageaddr = pci_alloc_consistent(adapter->pcidev,
+					PAGE_SIZE,
+					&cmdqmem->dma_pages[cmdqmem->pagecnt]);
+	if (!pageaddr)
+		return NULL;
+#ifndef CONFIG_X86_64
+	ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr);
+#endif
+	cmdqmem->pages[cmdqmem->pagecnt] = pageaddr;
+	cmdqmem->pagecnt++;
+	return pageaddr;
+}
+
+int slic_cmdq_init(p_adapter_t adapter)
+{
+	int i;
+	pulong32 pageaddr;
+
+	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
+	ASSERT(adapter->state == ADAPT_DOWN);
+	SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t));
+	SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t));
+	SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t));
+	SLIC_INIT_SPINLOCK(adapter->cmdq_all.lock);
+	SLIC_INIT_SPINLOCK(adapter->cmdq_free.lock);
+	SLIC_INIT_SPINLOCK(adapter->cmdq_done.lock);
+	slic_cmdqmem_init(adapter);
+	adapter->slic_handle_ix = 1;
+	for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
+		pageaddr = slic_cmdqmem_addpage(adapter);
+#ifndef CONFIG_X86_64
+		ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr);
+#endif
+		if (!pageaddr) {
+			slic_cmdq_free(adapter);
+			return STATUS_FAILURE;
+		}
+		slic_cmdq_addcmdpage(adapter, pageaddr);
+	}
+	adapter->slic_handle_ix = 1;
+	DBG_MSG("slicoss: %s reset slic_handle_ix to ONE\n", __func__);
+
+	return STATUS_SUCCESS;
+}
+
+void slic_cmdq_free(p_adapter_t adapter)
+{
+	p_slic_hostcmd_t cmd;
+
+	DBG_MSG("slicoss: %s adapter[%p] port %d FreeCommandsFrom CMDQ\n",
+		__func__, adapter, adapter->physport);
+	cmd = adapter->cmdq_all.head;
+	while (cmd) {
+		if (cmd->busy) {
+			struct sk_buff *tempskb;
+
+			tempskb = cmd->skb;
+			if (tempskb) {
+				cmd->skb = NULL;
+				dev_kfree_skb_irq(tempskb);
+			}
+		}
+		cmd = cmd->next_all;
+	}
+	SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t));
+	SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t));
+	SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t));
+	slic_cmdqmem_free(adapter);
+}
+
+void slic_cmdq_reset(p_adapter_t adapter)
+{
+	p_slic_hostcmd_t hcmd;
+	struct sk_buff *skb;
+	ulong32 outstanding;
+
+	DBG_MSG("%s ENTER adapter[%p]\n", __func__, adapter);
+	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_free.lock);
+	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_done.lock);
+	outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
+	outstanding -= adapter->cmdq_free.count;
+	hcmd = adapter->cmdq_all.head;
+	while (hcmd) {
+		if (hcmd->busy) {
+			skb = hcmd->skb;
+			ASSERT(skb);
+			DBG_MSG("slicoss: %s hcmd[%p] skb[%p] ", __func__,
+				hcmd, skb);
+			hcmd->busy = 0;
+			hcmd->skb = NULL;
+			DBG_MSG(" Free SKB\n");
+			dev_kfree_skb_irq(skb);
+		}
+		hcmd = hcmd->next_all;
+	}
+	adapter->cmdq_free.count = 0;
+	adapter->cmdq_free.head = NULL;
+	adapter->cmdq_free.tail = NULL;
+	adapter->cmdq_done.count = 0;
+	adapter->cmdq_done.head = NULL;
+	adapter->cmdq_done.tail = NULL;
+	adapter->cmdq_free.head = adapter->cmdq_all.head;
+	hcmd = adapter->cmdq_all.head;
+	while (hcmd) {
+		adapter->cmdq_free.count++;
+		hcmd->next = hcmd->next_all;
+		hcmd = hcmd->next_all;
+	}
+	if (adapter->cmdq_free.count != adapter->cmdq_all.count) {
+		DBG_ERROR("%s free_count %d != all count %d\n", __func__,
+			  adapter->cmdq_free.count, adapter->cmdq_all.count);
+	}
+	SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_done.lock);
+	SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_free.lock);
+	DBG_MSG("%s EXIT adapter[%p]\n", __func__, adapter);
+}
+
+void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page)
+{
+	p_slic_hostcmd_t cmd;
+	p_slic_hostcmd_t prev;
+	p_slic_hostcmd_t tail;
+	p_slic_cmdqueue_t cmdq;
+	int cmdcnt;
+	pvoid cmdaddr;
+	ulong phys_addr;
+	ulong32 phys_addrl;
+	ulong32 phys_addrh;
+	pslic_handle_t pslic_handle;
+
+	cmdaddr = page;
+	cmd = (p_slic_hostcmd_t) cmdaddr;
+/*  DBG_MSG("CMDQ Page addr[%p] ix[%d] pfree[%p]\n", cmdaddr, slic_handle_ix,
+    adapter->pfree_slic_handles); */
+	cmdcnt = 0;
+
+	phys_addr = SLIC_GET_PHYSICAL_ADDRESS((void *)page);
+	phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
+	phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
+
+	prev = NULL;
+	tail = cmd;
+	while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
+	       (adapter->slic_handle_ix < 256)) {
+		/* Allocate and initialize a SLIC_HANDLE for this command */
+		SLIC_GET_SLIC_HANDLE(adapter, pslic_handle);
+		if (pslic_handle == NULL)
+			ASSERT(0);
+		ASSERT(pslic_handle ==
+		       &adapter->slic_handles[pslic_handle->token.
+					      handle_index]);
+		pslic_handle->type = SLIC_HANDLE_CMD;
+		pslic_handle->address = (pvoid) cmd;
+		pslic_handle->offset = (ushort) adapter->slic_handle_ix++;
+		pslic_handle->other_handle = NULL;
+		pslic_handle->next = NULL;
+
+		cmd->pslic_handle = pslic_handle;
+		cmd->cmd64.hosthandle = pslic_handle->token.handle_token;
+		cmd->busy = FALSE;
+		cmd->paddrl = phys_addrl;
+		cmd->paddrh = phys_addrh;
+		cmd->next_all = prev;
+		cmd->next = prev;
+		prev = cmd;
+		phys_addrl += SLIC_HOSTCMD_SIZE;
+		cmdaddr += SLIC_HOSTCMD_SIZE;
+
+		cmd = (p_slic_hostcmd_t) cmdaddr;
+		cmdcnt++;
+	}
+
+	cmdq = &adapter->cmdq_all;
+	cmdq->count += cmdcnt;	/*  SLIC_CMDQ_CMDSINPAGE;   mooktodo */
+	tail->next_all = cmdq->head;
+	ASSERT(VALID_ADDRESS(prev));
+	cmdq->head = prev;
+	cmdq = &adapter->cmdq_free;
+	SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock);
+	cmdq->count += cmdcnt;	/*  SLIC_CMDQ_CMDSINPAGE;   mooktodo */
+	tail->next = cmdq->head;
+	ASSERT(VALID_ADDRESS(prev));
+	cmdq->head = prev;
+	SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
+}
+
+p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t adapter)
+{
+	p_slic_cmdqueue_t cmdq = &adapter->cmdq_free;
+	p_slic_hostcmd_t cmd = NULL;
+
+lock_and_retry:
+	SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock);
+retry:
+	cmd = cmdq->head;
+	if (cmd) {
+		cmdq->head = cmd->next;
+		cmdq->count--;
+		SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
+	} else {
+		slic_cmdq_getdone(adapter);
+		cmd = cmdq->head;
+		if (cmd) {
+			goto retry;
+		} else {
+			pulong32 pageaddr;
+
+			SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
+			pageaddr = slic_cmdqmem_addpage(adapter);
+			if (pageaddr) {
+				slic_cmdq_addcmdpage(adapter, pageaddr);
+				goto lock_and_retry;
+			}
+		}
+	}
+	return cmd;
+}
+
+void slic_cmdq_getdone(p_adapter_t adapter)
+{
+	p_slic_cmdqueue_t done_cmdq = &adapter->cmdq_done;
+	p_slic_cmdqueue_t free_cmdq = &adapter->cmdq_free;
+
+	ASSERT(free_cmdq->head == NULL);
+	SLIC_ACQUIRE_IRQ_SPINLOCK(done_cmdq->lock);
+	ASSERT(VALID_ADDRESS(done_cmdq->head));
+
+	free_cmdq->head = done_cmdq->head;
+	free_cmdq->count = done_cmdq->count;
+	done_cmdq->head = NULL;
+	done_cmdq->tail = NULL;
+	done_cmdq->count = 0;
+	SLIC_RELEASE_IRQ_SPINLOCK(done_cmdq->lock);
+}
+
+void slic_cmdq_putdone(p_adapter_t adapter, p_slic_hostcmd_t cmd)
+{
+	p_slic_cmdqueue_t cmdq = &adapter->cmdq_done;
+
+	SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock);
+	cmd->busy = 0;
+	ASSERT(VALID_ADDRESS(cmdq->head));
+	cmd->next = cmdq->head;
+	ASSERT(VALID_ADDRESS(cmd));
+	cmdq->head = cmd;
+	cmdq->count++;
+	SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
+}
+
+void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd)
+{
+	p_slic_cmdqueue_t cmdq = &adapter->cmdq_done;
+
+	SLIC_ACQUIRE_SPINLOCK(cmdq->lock);
+	cmd->busy = 0;
+	ASSERT(VALID_ADDRESS(cmdq->head));
+	cmd->next = cmdq->head;
+	ASSERT(VALID_ADDRESS(cmd));
+	cmdq->head = cmd;
+	cmdq->count++;
+	if ((adapter->xmitq_full) && (cmdq->count > 10))
+		netif_wake_queue(adapter->netdev);
+	SLIC_RELEASE_SPINLOCK(cmdq->lock);
+}
+
+int slic_rcvqueue_init(p_adapter_t adapter)
+{
+	int i, count;
+	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+
+	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
+	ASSERT(adapter->state == ADAPT_DOWN);
+	rcvq->tail = NULL;
+	rcvq->head = NULL;
+	rcvq->size = SLIC_RCVQ_ENTRIES;
+	rcvq->errors = 0;
+	rcvq->count = 0;
+	i = (SLIC_RCVQ_ENTRIES / SLIC_RCVQ_FILLENTRIES);
+	count = 0;
+	while (i) {
+		count += slic_rcvqueue_fill(adapter);
+		i--;
+	}
+	if (rcvq->count < SLIC_RCVQ_MINENTRIES) {
+		slic_rcvqueue_free(adapter);
+		return STATUS_FAILURE;
+	}
+	DBG_MSG("slicoss: %s EXIT adapter[%p]\n", __func__, adapter);
+	return STATUS_SUCCESS;
+}
+
+int slic_rcvqueue_reset(p_adapter_t adapter)
+{
+	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+
+	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
+	ASSERT(adapter->state == ADAPT_DOWN);
+	ASSERT(rcvq);
+
+	DBG_MSG("slicoss: Nothing to do. rcvq[%p]\n"
+		"                             count[%x]\n"
+		"                             head[%p]\n"
+		"                             tail[%p]\n",
+		rcvq, rcvq->count, rcvq->head, rcvq->tail);
+
+	DBG_MSG("slicoss: %s EXIT adapter[%p]\n", __func__, adapter);
+	return STATUS_SUCCESS;
+}
+
+void slic_rcvqueue_free(p_adapter_t adapter)
+{
+	slic_rcvqueue_t *rcvq = &adapter->rcvqueue;
+	struct sk_buff *skb;
+
+	while (rcvq->head) {
+		skb = rcvq->head;
+		rcvq->head = rcvq->head->next;
+		dev_kfree_skb(skb);
+	}
+	rcvq->tail = NULL;
+	rcvq->head = NULL;
+	rcvq->count = 0;
+}
+
+struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter)
+{
+	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+	struct sk_buff *skb;
+	p_slic_rcvbuf_t rcvbuf;
+	int count;
+
+	if (rcvq->count) {
+		skb = rcvq->head;
+		rcvbuf = (p_slic_rcvbuf_t) skb->head;
+		ASSERT(rcvbuf);
+
+		if (rcvbuf->status & IRHDDR_SVALID) {
+			rcvq->head = rcvq->head->next;
+			skb->next = NULL;
+			rcvq->count--;
+		} else {
+			skb = NULL;
+		}
+	} else {
+		DBG_ERROR("RcvQ Empty!! adapter[%p] rcvq[%p] count[%x]\n",
+			  adapter, rcvq, rcvq->count);
+		skb = NULL;
+	}
+	while (rcvq->count < SLIC_RCVQ_FILLTHRESH) {
+		count = slic_rcvqueue_fill(adapter);
+		if (!count)
+			break;
+	}
+	if (skb)
+		rcvq->errors = 0;
+	return skb;
+}
+
+int slic_rcvqueue_fill(p_adapter_t adapter)
+{
+	pvoid paddr;
+	ulong32 paddrl;
+	ulong32 paddrh;
+	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+	int i = 0;
+
+	while (i < SLIC_RCVQ_FILLENTRIES) {
+		p_slic_rcvbuf_t rcvbuf;
+		struct sk_buff *skb;
+#ifdef KLUDGE_FOR_4GB_BOUNDARY
+retry_rcvqfill:
+#endif
+		skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
+		if (skb) {
+			paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter,
+							  skb->data,
+							  SLIC_RCVQ_RCVBUFSIZE);
+			paddrl = SLIC_GET_ADDR_LOW(paddr);
+			paddrh = SLIC_GET_ADDR_HIGH(paddr);
+
+			skb->len = SLIC_RCVBUF_HEADSIZE;
+			rcvbuf = (p_slic_rcvbuf_t) skb->head;
+			rcvbuf->status = 0;
+			skb->next = NULL;
+#ifdef KLUDGE_FOR_4GB_BOUNDARY
+			if (paddrl == 0) {
+				DBG_ERROR
+				    ("%s: LOW 32bits PHYSICAL ADDRESS == 0 "
+				     "skb[%p]   PROBLEM\n"
+				     "         skbdata[%p]\n"
+				     "         skblen[%x]\n"
+				     "         paddr[%p]\n"
+				     "         paddrl[%x]\n"
+				     "         paddrh[%x]\n", __func__, skb,
+				     skb->data, skb->len, paddr, paddrl,
+				     paddrh);
+				DBG_ERROR("         rcvq->head[%p]\n"
+					  "         rcvq->tail[%p]\n"
+					  "         rcvq->count[%x]\n",
+					  rcvq->head, rcvq->tail, rcvq->count);
+				DBG_ERROR("SKIP THIS SKB!!!!!!!!\n");
+				goto retry_rcvqfill;
+			}
+#else
+			if (paddrl == 0) {
+				DBG_ERROR
+				    ("\n\n%s: LOW 32bits PHYSICAL ADDRESS == 0 "
+				     "skb[%p]  GIVE TO CARD ANYWAY\n"
+				     "         skbdata[%p]\n"
+				     "         paddr[%p]\n"
+				     "         paddrl[%x]\n"
+				     "         paddrh[%x]\n", __func__, skb,
+				     skb->data, paddr, paddrl, paddrh);
+			}
+#endif
+			if (paddrh == 0) {
+				WRITE_REG(adapter->slic_regs->slic_hbar,
+					  (ulong32) paddrl, DONT_FLUSH);
+			} else {
+				WRITE_REG64(adapter,
+					    adapter->slic_regs->slic_hbar64,
+					    (ulong32) paddrl,
+					    adapter->slic_regs->slic_addr_upper,
+					    (ulong32) paddrh, DONT_FLUSH);
+			}
+			if (rcvq->head)
+				rcvq->tail->next = skb;
+			else
+				rcvq->head = skb;
+			rcvq->tail = skb;
+			rcvq->count++;
+			i++;
+		} else {
+			DBG_ERROR
+			    ("%s slic_rcvqueue_fill could only get [%d] "
+			     "skbuffs\n",
+			     adapter->netdev->name, i);
+			break;
+		}
+	}
+	return i;
+}
+
+ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb)
+{
+	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+	pvoid paddr;
+	ulong32 paddrl;
+	ulong32 paddrh;
+	p_slic_rcvbuf_t rcvbuf = (p_slic_rcvbuf_t) skb->head;
+
+	ASSERT(skb->len == SLIC_RCVBUF_HEADSIZE);
+	paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter,
+						  skb->head,
+						  SLIC_RCVQ_RCVBUFSIZE);
+	rcvbuf->status = 0;
+	skb->next = NULL;
+
+	paddrl = SLIC_GET_ADDR_LOW(paddr);
+	paddrh = SLIC_GET_ADDR_HIGH(paddr);
+
+	if (paddrl == 0) {
+		DBG_ERROR
+		    ("%s: LOW 32bits PHYSICAL ADDRESS == 0 skb[%p]   PROBLEM\n"
+		     "         skbdata[%p]\n" "         skblen[%x]\n"
+		     "         paddr[%p]\n" "         paddrl[%x]\n"
+		     "         paddrh[%x]\n", __func__, skb, skb->data,
+		     skb->len, paddr, paddrl, paddrh);
+		DBG_ERROR("         rcvq->head[%p]\n"
+			  "         rcvq->tail[%p]\n"
+			  "         rcvq->count[%x]\n", rcvq->head, rcvq->tail,
+			  rcvq->count);
+	}
+	if (paddrh == 0) {
+		WRITE_REG(adapter->slic_regs->slic_hbar, (ulong32) paddrl,
+			  DONT_FLUSH);
+	} else {
+		WRITE_REG64(adapter,
+			    adapter->slic_regs->slic_hbar64,
+			    paddrl,
+			    adapter->slic_regs->slic_addr_upper,
+			    paddrh, DONT_FLUSH);
+	}
+	if (rcvq->head)
+		rcvq->tail->next = skb;
+	else
+		rcvq->head = skb;
+	rcvq->tail = skb;
+	rcvq->count++;
+	return rcvq->count;
+}
+
+static int slic_debug_card_show(struct seq_file *seq, void *v)
+{
+#ifdef MOOKTODO
+	int i;
+	p_sliccard_t card = seq->private;
+	pslic_config_t config = &card->config;
+	puchar fru = (puchar) (&card->config.atk_fru);
+	puchar oemfru = (puchar) (&card->config.OemFru);
+#endif
+
+	seq_printf(seq, "driver_version           : %s", slic_proc_version);
+	seq_printf(seq, "Microcode versions:           \n");
+	seq_printf(seq, "    Gigabit (gb)         : %s %s\n",
+		    MOJAVE_UCODE_VERS_STRING, MOJAVE_UCODE_VERS_DATE);
+	seq_printf(seq, "    Gigabit Receiver     : %s %s\n",
+		    GB_RCVUCODE_VERS_STRING, GB_RCVUCODE_VERS_DATE);
+	seq_printf(seq, "Vendor                   : %s\n", slic_vendor);
+	seq_printf(seq, "Product Name             : %s\n", slic_product_name);
+#ifdef MOOKTODO
+	seq_printf(seq, "VendorId                 : %4.4X\n",
+		    config->VendorId);
+	seq_printf(seq, "DeviceId                 : %4.4X\n",
+		    config->DeviceId);
+	seq_printf(seq, "RevisionId               : %2.2x\n",
+		    config->RevisionId);
+	seq_printf(seq, "Bus    #                 : %d\n", card->busnumber);
+	seq_printf(seq, "Device #                 : %d\n", card->slotnumber);
+	seq_printf(seq, "Interfaces               : %d\n", card->card_size);
+	seq_printf(seq, "     Initialized         : %d\n",
+		    card->adapters_activated);
+	seq_printf(seq, "     Allocated           : %d\n",
+		    card->adapters_allocated);
+	ASSERT(card->card_size <= SLIC_NBR_MACS);
+	for (i = 0; i < card->card_size; i++) {
+		seq_printf(seq,
+			   "     MAC%d : %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X\n",
+			   i, config->macinfo[i].macaddrA[0],
+			   config->macinfo[i].macaddrA[1],
+			   config->macinfo[i].macaddrA[2],
+			   config->macinfo[i].macaddrA[3],
+			   config->macinfo[i].macaddrA[4],
+			   config->macinfo[i].macaddrA[5]);
+	}
+	seq_printf(seq, "     IF  Init State Duplex/Speed irq\n");
+	seq_printf(seq, "     -------------------------------\n");
+	for (i = 0; i < card->adapters_allocated; i++) {
+		p_adapter_t adapter;
+
+		adapter = card->adapter[i];
+		if (adapter) {
+			seq_printf(seq,
+				    "     %d   %d   %s  %s  %s    0x%X\n",
+				    adapter->physport, adapter->state,
+				    SLIC_LINKSTATE(adapter->linkstate),
+				    SLIC_DUPLEX(adapter->linkduplex),
+				    SLIC_SPEED(adapter->linkspeed),
+				    (uint) adapter->irq);
+		}
+	}
+	seq_printf(seq, "Generation #             : %4.4X\n", card->gennumber);
+	seq_printf(seq, "RcvQ max entries         : %4.4X\n",
+		    SLIC_RCVQ_ENTRIES);
+	seq_printf(seq, "Ping Status              : %8.8X\n",
+		    card->pingstatus);
+	seq_printf(seq, "Minimum grant            : %2.2x\n",
+		    config->MinGrant);
+	seq_printf(seq, "Maximum Latency          : %2.2x\n", config->MaxLat);
+	seq_printf(seq, "PciStatus                : %4.4x\n",
+		    config->Pcistatus);
+	seq_printf(seq, "Debug Device Id          : %4.4x\n",
+		    config->DbgDevId);
+	seq_printf(seq, "DRAM ROM Function        : %4.4x\n",
+		    config->DramRomFn);
+	seq_printf(seq, "Network interface Pin 1  : %2.2x\n",
+		    config->NetIntPin1);
+	seq_printf(seq, "Network interface Pin 2  : %2.2x\n",
+		    config->NetIntPin1);
+	seq_printf(seq, "Network interface Pin 3  : %2.2x\n",
+		    config->NetIntPin1);
+	seq_printf(seq, "PM capabilities          : %4.4X\n",
+		    config->PMECapab);
+	seq_printf(seq, "Network Clock Controls   : %4.4X\n",
+		    config->NwClkCtrls);
+
+	switch (config->FruFormat) {
+	case ATK_FRU_FORMAT:
+		{
+			seq_printf(seq,
+			    "Vendor                   : Alacritech, Inc.\n");
+			seq_printf(seq,
+			    "Assembly #               : %c%c%c%c%c%c\n",
+				    fru[0], fru[1], fru[2], fru[3], fru[4],
+				    fru[5]);
+			seq_printf(seq,
+				    "Revision #               : %c%c\n",
+				    fru[6], fru[7]);
+
+			if (config->OEMFruFormat == VENDOR4_FRU_FORMAT) {
+				seq_printf(seq,
+					    "Serial   #               : "
+					    "%c%c%c%c%c%c%c%c%c%c%c%c\n",
+					    fru[8], fru[9], fru[10],
+					    fru[11], fru[12], fru[13],
+					    fru[16], fru[17], fru[18],
+					    fru[19], fru[20], fru[21]);
+			} else {
+				seq_printf(seq,
+					    "Serial   #               : "
+					    "%c%c%c%c%c%c%c%c%c%c%c%c%c%c\n",
+					    fru[8], fru[9], fru[10],
+					    fru[11], fru[12], fru[13],
+					    fru[14], fru[15], fru[16],
+					    fru[17], fru[18], fru[19],
+					    fru[20], fru[21]);
+			}
+			break;
+		}
+
+	default:
+		{
+			seq_printf(seq,
+			    "Vendor                   : Alacritech, Inc.\n");
+			seq_printf(seq,
+			    "Serial   #               : Empty FRU\n");
+			break;
+		}
+	}
+
+	switch (config->OEMFruFormat) {
+	case VENDOR1_FRU_FORMAT:
+		{
+			seq_printf(seq, "FRU Information:\n");
+			seq_printf(seq, "    Commodity #          : %c\n",
+				    oemfru[0]);
+			seq_printf(seq,
+				    "    Assembly #           : %c%c%c%c\n",
+				    oemfru[1], oemfru[2], oemfru[3], oemfru[4]);
+			seq_printf(seq,
+				    "    Revision #           : %c%c\n",
+				    oemfru[5], oemfru[6]);
+			seq_printf(seq,
+				    "    Supplier #           : %c%c\n",
+				    oemfru[7], oemfru[8]);
+			seq_printf(seq,
+				    "    Date                 : %c%c\n",
+				    oemfru[9], oemfru[10]);
+			seq_sprintf(seq,
+				    "    Sequence #           : %c%c%c\n",
+				    oemfru[11], oemfru[12], oemfru[13]);
+			break;
+		}
+
+	case VENDOR2_FRU_FORMAT:
+		{
+			seq_printf(seq, "FRU Information:\n");
+			seq_printf(seq,
+				    "    Part     #           : "
+				    "%c%c%c%c%c%c%c%c\n",
+				    oemfru[0], oemfru[1], oemfru[2],
+				    oemfru[3], oemfru[4], oemfru[5],
+				    oemfru[6], oemfru[7]);
+			seq_printf(seq,
+				    "    Supplier #           : %c%c%c%c%c\n",
+				    oemfru[8], oemfru[9], oemfru[10],
+				    oemfru[11], oemfru[12]);
+			seq_printf(seq,
+				    "    Date                 : %c%c%c\n",
+				    oemfru[13], oemfru[14], oemfru[15]);
+			seq_sprintf(seq,
+				    "    Sequence #           : %c%c%c%c\n",
+				    oemfru[16], oemfru[17], oemfru[18],
+				    oemfru[19]);
+			break;
+		}
+
+	case VENDOR3_FRU_FORMAT:
+		{
+			seq_printf(seq, "FRU Information:\n");
+		}
+
+	case VENDOR4_FRU_FORMAT:
+		{
+			seq_printf(seq, "FRU Information:\n");
+			seq_printf(seq,
+				    "    FRU Number           : "
+				    "%c%c%c%c%c%c%c%c\n",
+				    oemfru[0], oemfru[1], oemfru[2],
+				    oemfru[3], oemfru[4], oemfru[5],
+				    oemfru[6], oemfru[7]);
+			seq_sprintf(seq,
+				    "    Part Number          : "
+				    "%c%c%c%c%c%c%c%c\n",
+				    oemfru[8], oemfru[9], oemfru[10],
+				    oemfru[11], oemfru[12], oemfru[13],
+				    oemfru[14], oemfru[15]);
+			seq_printf(seq,
+				    "    EC Level             : "
+				    "%c%c%c%c%c%c%c%c\n",
+				    oemfru[16], oemfru[17], oemfru[18],
+				    oemfru[19], oemfru[20], oemfru[21],
+				    oemfru[22], oemfru[23]);
+			break;
+		}
+
+	default:
+		break;
+	}
+#endif
+
+	return 0;
+}
+
+static int slic_debug_adapter_show(struct seq_file *seq, void *v)
+{
+	p_adapter_t adapter = seq->private;
+
+	if ((adapter->netdev) && (adapter->netdev->name)) {
+		seq_printf(seq, "info: interface          : %s\n",
+			    adapter->netdev->name);
+	}
+	seq_printf(seq, "info: status             : %s\n",
+		SLIC_LINKSTATE(adapter->linkstate));
+	seq_printf(seq, "info: port               : %d\n",
+		adapter->physport);
+	seq_printf(seq, "info: speed              : %s\n",
+		SLIC_SPEED(adapter->linkspeed));
+	seq_printf(seq, "info: duplex             : %s\n",
+		SLIC_DUPLEX(adapter->linkduplex));
+	seq_printf(seq, "info: irq                : 0x%X\n",
+		(uint) adapter->irq);
+	seq_printf(seq, "info: Interrupt Agg Delay: %d usec\n",
+		adapter->card->loadlevel_current);
+	seq_printf(seq, "info: RcvQ max entries   : %4.4X\n",
+		SLIC_RCVQ_ENTRIES);
+	seq_printf(seq, "info: RcvQ current       : %4.4X\n",
+		    adapter->rcvqueue.count);
+	seq_printf(seq, "rx stats: packets                  : %8.8lX\n",
+		    adapter->stats.rx_packets);
+	seq_printf(seq, "rx stats: bytes                    : %8.8lX\n",
+		    adapter->stats.rx_bytes);
+	seq_printf(seq, "rx stats: broadcasts               : %8.8X\n",
+		    adapter->rcv_broadcasts);
+	seq_printf(seq, "rx stats: multicasts               : %8.8X\n",
+		    adapter->rcv_multicasts);
+	seq_printf(seq, "rx stats: unicasts                 : %8.8X\n",
+		    adapter->rcv_unicasts);
+	seq_printf(seq, "rx stats: errors                   : %8.8X\n",
+		    (ulong32) adapter->slic_stats.iface.rcv_errors);
+	seq_printf(seq, "rx stats: Missed errors            : %8.8X\n",
+		    (ulong32) adapter->slic_stats.iface.rcv_discards);
+	seq_printf(seq, "rx stats: drops                    : %8.8X\n",
+			(ulong32) adapter->rcv_drops);
+	seq_printf(seq, "tx stats: packets                  : %8.8lX\n",
+			adapter->stats.tx_packets);
+	seq_printf(seq, "tx stats: bytes                    : %8.8lX\n",
+			adapter->stats.tx_bytes);
+	seq_printf(seq, "tx stats: errors                   : %8.8X\n",
+			(ulong32) adapter->slic_stats.iface.xmt_errors);
+	seq_printf(seq, "rx stats: multicasts               : %8.8lX\n",
+			adapter->stats.multicast);
+	seq_printf(seq, "tx stats: collision errors         : %8.8X\n",
+			(ulong32) adapter->slic_stats.iface.xmit_collisions);
+	seq_printf(seq, "perf: Max rcv frames/isr           : %8.8X\n",
+			adapter->max_isr_rcvs);
+	seq_printf(seq, "perf: Rcv interrupt yields         : %8.8X\n",
+			adapter->rcv_interrupt_yields);
+	seq_printf(seq, "perf: Max xmit complete/isr        : %8.8X\n",
+			adapter->max_isr_xmits);
+	seq_printf(seq, "perf: error interrupts             : %8.8X\n",
+			adapter->error_interrupts);
+	seq_printf(seq, "perf: error rmiss interrupts       : %8.8X\n",
+			adapter->error_rmiss_interrupts);
+	seq_printf(seq, "perf: rcv interrupts               : %8.8X\n",
+			adapter->rcv_interrupts);
+	seq_printf(seq, "perf: xmit interrupts              : %8.8X\n",
+			adapter->xmit_interrupts);
+	seq_printf(seq, "perf: link event interrupts        : %8.8X\n",
+			adapter->linkevent_interrupts);
+	seq_printf(seq, "perf: UPR interrupts               : %8.8X\n",
+			adapter->upr_interrupts);
+	seq_printf(seq, "perf: interrupt count              : %8.8X\n",
+			adapter->num_isrs);
+	seq_printf(seq, "perf: false interrupts             : %8.8X\n",
+			adapter->false_interrupts);
+	seq_printf(seq, "perf: All register writes          : %8.8X\n",
+			adapter->all_reg_writes);
+	seq_printf(seq, "perf: ICR register writes          : %8.8X\n",
+			adapter->icr_reg_writes);
+	seq_printf(seq, "perf: ISR register writes          : %8.8X\n",
+			adapter->isr_reg_writes);
+	seq_printf(seq, "ifevents: overflow 802 errors      : %8.8X\n",
+			adapter->if_events.oflow802);
+	seq_printf(seq, "ifevents: transport overflow errors: %8.8X\n",
+			adapter->if_events.Tprtoflow);
+	seq_printf(seq, "ifevents: underflow errors         : %8.8X\n",
+			adapter->if_events.uflow802);
+	seq_printf(seq, "ifevents: receive early            : %8.8X\n",
+			adapter->if_events.rcvearly);
+	seq_printf(seq, "ifevents: buffer overflows         : %8.8X\n",
+			adapter->if_events.Bufov);
+	seq_printf(seq, "ifevents: carrier errors           : %8.8X\n",
+			adapter->if_events.Carre);
+	seq_printf(seq, "ifevents: Long                     : %8.8X\n",
+			adapter->if_events.Longe);
+	seq_printf(seq, "ifevents: invalid preambles        : %8.8X\n",
+			adapter->if_events.Invp);
+	seq_printf(seq, "ifevents: CRC errors               : %8.8X\n",
+			adapter->if_events.Crc);
+	seq_printf(seq, "ifevents: dribble nibbles          : %8.8X\n",
+			adapter->if_events.Drbl);
+	seq_printf(seq, "ifevents: Code violations          : %8.8X\n",
+			adapter->if_events.Code);
+	seq_printf(seq, "ifevents: TCP checksum errors      : %8.8X\n",
+			adapter->if_events.TpCsum);
+	seq_printf(seq, "ifevents: TCP header short errors  : %8.8X\n",
+			adapter->if_events.TpHlen);
+	seq_printf(seq, "ifevents: IP checksum errors       : %8.8X\n",
+			adapter->if_events.IpCsum);
+	seq_printf(seq, "ifevents: IP frame incompletes     : %8.8X\n",
+			adapter->if_events.IpLen);
+	seq_printf(seq, "ifevents: IP headers shorts        : %8.8X\n",
+			adapter->if_events.IpHlen);
+
+	return 0;
+}
+static int slic_debug_adapter_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, slic_debug_adapter_show, inode->i_private);
+}
+
+static int slic_debug_card_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, slic_debug_card_show, inode->i_private);
+}
+
+static const struct file_operations slic_debug_adapter_fops = {
+	.owner		= THIS_MODULE,
+	.open		= slic_debug_adapter_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static const struct file_operations slic_debug_card_fops = {
+	.owner		= THIS_MODULE,
+	.open		= slic_debug_card_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static void slic_debug_adapter_create(p_adapter_t adapter)
+{
+	struct dentry *d;
+	char    name[7];
+	p_sliccard_t card = adapter->card;
+
+	if (!card->debugfs_dir)
+		return;
+
+	sprintf(name, "port%d", adapter->port);
+	d = debugfs_create_file(name, S_IRUGO,
+				card->debugfs_dir, adapter,
+				&slic_debug_adapter_fops);
+	if (!d || IS_ERR(d))
+		pr_info(PFX "%s: debugfs create failed\n", name);
+	else
+		adapter->debugfs_entry = d;
+}
+
+static void slic_debug_adapter_destroy(p_adapter_t adapter)
+{
+	if (adapter->debugfs_entry) {
+		debugfs_remove(adapter->debugfs_entry);
+		adapter->debugfs_entry = NULL;
+	}
+}
+
+static void slic_debug_card_create(p_sliccard_t card)
+{
+	struct dentry *d;
+	char    name[IFNAMSIZ];
+
+	snprintf(name, sizeof(name), "slic%d", card->cardnum);
+	d = debugfs_create_dir(name, slic_debugfs);
+	if (!d || IS_ERR(d))
+		pr_info(PFX "%s: debugfs create dir failed\n",
+				name);
+	else {
+		card->debugfs_dir = d;
+		d = debugfs_create_file("cardinfo", S_IRUGO,
+				slic_debugfs, card,
+				&slic_debug_card_fops);
+		if (!d || IS_ERR(d))
+			pr_info(PFX "%s: debugfs create failed\n",
+					name);
+		else
+			card->debugfs_cardinfo = d;
+	}
+}
+
+static void slic_debug_card_destroy(p_sliccard_t card)
+{
+	int i;
+
+	for (i = 0; i < card->card_size; i++) {
+		p_adapter_t adapter;
+
+		adapter = card->adapter[i];
+		if (adapter)
+			slic_debug_adapter_destroy(adapter);
+	}
+	if (card->debugfs_cardinfo) {
+		debugfs_remove(card->debugfs_cardinfo);
+		card->debugfs_cardinfo = NULL;
+	}
+	if (card->debugfs_dir) {
+		debugfs_remove(card->debugfs_dir);
+		card->debugfs_dir = NULL;
+	}
+}
+
+static void slic_debug_init(void)
+{
+	struct dentry *ent;
+
+	ent = debugfs_create_dir("slic", NULL);
+	if (!ent || IS_ERR(ent)) {
+		pr_info(PFX "debugfs create directory failed\n");
+		return;
+	}
+
+	slic_debugfs = ent;
+}
+
+static void slic_debug_cleanup(void)
+{
+	if (slic_debugfs) {
+		debugfs_remove(slic_debugfs);
+		slic_debugfs = NULL;
+	}
+}
+
+/*=============================================================================
+  =============================================================================
+  ===                                                                       ===
+  ===       SLIC  DUMP  MANAGEMENT        SECTION                           ===
+  ===                                                                       ===
+  ===                                                                       ===
+  === Dump routines                                                         ===
+  ===                                                                       ===
+  ===                                                                       ===
+  =============================================================================
+  ============================================================================*/
+
+#if SLIC_DUMP_ENABLED
+
+#include <stdarg.h>
+
+pvoid slic_dump_handle;		/* thread handle */
+
+/*
+ * These are the only things you should do on a core-file: use only these
+ * functions to write out all the necessary info.
+ */
+static int slic_dump_seek(struct file *SLIChandle, ulong32 file_offset)
+{
+	if (SLIChandle->f_pos != file_offset) {
+		/*DBG_MSG("slic_dump_seek  now needed [%x : %x]\n",
+			(ulong32)SLIChandle->f_pos, (ulong32)file_offset); */
+		if (SLIChandle->f_op->llseek) {
+			if (SLIChandle->f_op->
+			    llseek(SLIChandle, file_offset, 0) != file_offset)
+				return 0;
+		} else {
+			SLIChandle->f_pos = file_offset;
+		}
+	}
+	return 1;
+}
+
+static int slic_dump_write(p_sliccard_t card,
+			   const void *addr, int size, ulong32 file_offset)
+{
+	int r = 1;
+	ulong32 result = 0;
+	struct file *SLIChandle = card->dumphandle;
+
+#ifdef HISTORICAL		/* legacy */
+	down(&SLIChandle->f_dentry->d_inode->i_sem);
+#endif
+	if (size) {
+		slic_dump_seek(SLIChandle, file_offset);
+
+		result =
+		    SLIChandle->f_op->write(SLIChandle, addr, size,
+					    &SLIChandle->f_pos);
+
+		r = result == size;
+	}
+
+	card->dumptime_complete = jiffies;
+	card->dumptime_delta = card->dumptime_complete - card->dumptime_start;
+	card->dumptime_start = jiffies;
+
+#ifdef HISTORICAL
+	up(&SLIChandle->f_dentry->d_inode->i_sem);
+#endif
+	if (!r) {
+		DBG_ERROR("%s: addr[%p] size[%x] result[%x] file_offset[%x]\n",
+			  __func__, addr, size, result, file_offset);
+	}
+	return r;
+}
+
+uint slic_init_dump_thread(p_sliccard_t card)
+{
+	card->dump_task_id = kthread_run(slic_dump_thread, (void *)card, 0);
+
+/*  DBG_MSG("create slic_dump_thread dump_pid[%x]\n", card->dump_pid); */
+	if (IS_ERR(card->dump_task_id)) {
+		DBG_MSG("create slic_dump_thread FAILED \n");
+		return STATUS_FAILURE;
+	}
+
+	return STATUS_SUCCESS;
+}
+
+int slic_dump_thread(void *context)
+{
+	p_sliccard_t card = (p_sliccard_t) context;
+	p_adapter_t adapter;
+	p_adapter_t dump_adapter = NULL;
+	ulong32 dump_complete = 0;
+	ulong32 delay = SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL);
+	p_slic_regs_t pregs;
+	ulong32 i;
+	p_slic_upr_t upr, uprnext;
+	ulong32 dump_card;
+
+	ASSERT(card);
+
+	card->dumpthread_running = 1;
+
+#ifdef HISTORICAL
+	lock_kernel();
+	/*
+	 * This thread doesn't need any user-level access,
+	 * so get rid of all our resources
+	 */
+	exit_files(current);	/* daemonize doesn't do exit_files */
+	current->files = init_task.files;
+	atomic_inc(&current->files->count);
+#endif
+
+	daemonize("%s", "slicmon");
+
+	/* Setup a nice name */
+	strcpy(current->comm, "slicmon");
+	DBG_ERROR
+	    ("slic_dump_thread[slicmon] daemon is alive card[%p] pid[%x]\n",
+	     card, card->dump_task_id->pid);
+
+	/*
+	 *    Send me a signal to get me to die (for debugging)
+	 */
+	do {
+		/*
+		 * If card state is not set to up, skip
+		 */
+		if (card->state != CARD_UP) {
+			if (card->adapters_activated)
+				goto wait;
+			else
+				goto end_thread;
+		}
+		/*
+		 *    Check the results of our last ping.
+		 */
+		dump_card = 0;
+#ifdef SLIC_FAILURE_DUMP
+		if (card->pingstatus != ISR_PINGMASK) {
+			DBG_MSG
+			    ("\n[slicmon]  CARD #%d TIMED OUT - status "
+			     "%x: DUMP THE CARD!\n",
+			     card->cardnum, card->pingstatus);
+			dump_card = 1;
+		}
+#else
+		/*
+		 *  Cause a card RESET instead?
+		 */
+		if (card->pingstatus != ISR_PINGMASK) {
+			/* todo. do we want to reset the card in production */
+			/* DBG_MSG("\n[slicmon]  CARD #%d TIMED OUT - "
+			   status %x: RESET THE CARD!\n", card->cardnum,
+			   card->pingstatus); */
+			DBG_ERROR
+			    ("\n[slicmon]  CARD #%d TIMED OUT - status %x: "
+			     "DUMP THE CARD!\n",
+			     card->cardnum, card->pingstatus);
+			dump_card = 1;
+		}
+#endif
+		if ((dump_card)
+		    || (card->dump_requested == SLIC_DUMP_REQUESTED)) {
+			if (card->dump_requested == SLIC_DUMP_REQUESTED) {
+				DBG_ERROR
+			    ("[slicmon]: Dump card Requested: Card %x\n",
+				     card->cardnum);
+			}
+			if (card->pingstatus != ISR_PINGMASK) {
+				ushort cpuid = 0;
+				ushort crashpc = 0;
+
+				if (card->adapter[0]) {
+					if ((card->adapter[0])->memorylength >=
+					    CRASH_INFO_OFFSET +
+					    sizeof(slic_crash_info)) {
+						char *crashptr;
+						p_slic_crash_info crashinfo;
+
+						crashptr =
+						    ((char *)card->adapter[0]->
+						     slic_regs) +
+						    CRASH_INFO_OFFSET;
+						crashinfo =
+						    (p_slic_crash_info)
+						    crashptr;
+						cpuid = crashinfo->cpu_id;
+						crashpc = crashinfo->crash_pc;
+					}
+				}
+				DBG_ERROR
+				    ("[slicmon]: Dump card: Card %x crashed "
+				     "and failed to answer PING. "
+				     "CPUID[%x] PC[%x]\n ",
+				     card->cardnum, cpuid, crashpc);
+			}
+
+			card->dump_requested = SLIC_DUMP_IN_PROGRESS;
+
+			/*
+			 * Set the card state to DOWN and the adapter states
+			 * to RESET.They will check this in SimbaCheckForHang
+			 * and initiate interface reset (which in turn will
+			 * reinitialize the card).
+			 */
+			card->state = CARD_DOWN;
+
+			for (i = 0; i < card->card_size; i++) {
+				adapter = card->adapter[i];
+				if (adapter) {
+					slic_if_stop_queue(adapter);
+
+					if (adapter->state == ADAPT_UP) {
+						adapter->state = ADAPT_RESET;
+						adapter->linkstate = LINK_DOWN;
+						DBG_ERROR
+						    ("[slicmon]: SLIC Card[%d] "
+						     "Port[%d] adapter[%p] "
+						     "down\n",
+						     (uint) card->cardnum,
+						     (uint) i, adapter);
+					}
+#if SLIC_GET_STATS_TIMER_ENABLED
+					/* free stats timer */
+					if (adapter->statstimerset) {
+						adapter->statstimerset = 0;
+						del_timer(&adapter->statstimer);
+					}
+#endif
+				}
+			}
+
+			for (i = 0; i < card->card_size; i++) {
+				adapter = card->adapter[i];
+				if ((adapter) && (adapter->activated)) {
+					pregs = adapter->slic_regs;
+					dump_adapter = adapter;
+
+					/*
+					 * If the dump status is zero, then
+					 * the utility processor has crashed.
+					 * If this is the case, any pending
+					 * utilityprocessor requests will not
+					 * complete and our dump commands will
+					 * not be issued.
+					 *
+					 * To avoid this we will clear any
+					 * pending utility processor requests
+					 * now.
+					 */
+					if (!card->pingstatus) {
+						SLIC_ACQUIRE_IRQ_SPINLOCK
+						    (adapter->upr_lock);
+						upr = adapter->upr_list;
+						while (upr) {
+							uprnext = upr->next;
+							SLIC_DEALLOCATE_MEM
+							    (upr);
+							upr = uprnext;
+						}
+						adapter->upr_list = 0;
+						adapter->upr_busy = 0;
+						SLIC_RELEASE_IRQ_SPINLOCK
+						    (adapter->upr_lock);
+					}
+
+					slic_dump_card(card, FALSE);
+					dump_complete = 1;
+				}
+
+				if (dump_complete) {
+					DBG_ERROR("SLIC Dump Complete\n");
+					/*  Only dump the card one time */
+					break;
+				}
+			}
+
+			if (dump_adapter) {
+				DBG_ERROR
+				    ("slic dump completed. "
+				     "Reenable interfaces\n");
+				slic_card_init(card, dump_adapter);
+
+				/*
+				 *  Reenable the adapters that were reset
+				 */
+				for (i = 0; i < card->card_size; i++) {
+					adapter = card->adapter[i];
+					if (adapter) {
+						if (adapter->state ==
+						    ADAPT_RESET) {
+							DBG_ERROR
+							    ("slicdump: SLIC "
+					   "Card[%d] Port[%d] adapter[%p] "
+					   "bring UP\n",
+							     (uint) card->
+							     cardnum, (uint) i,
+							     adapter);
+							adapter->state =
+							    ADAPT_DOWN;
+							adapter->linkstate =
+							    LINK_DOWN;
+							slic_entry_open
+							    (adapter->netdev);
+						}
+					}
+				}
+
+				card->dump_requested = SLIC_DUMP_DONE;
+			}
+		} else {
+		/* if pingstatus != ISR_PINGMASK) || dump_requested...ELSE
+		 *    We received a valid ping response.
+		 *    Clear the Pingstatus field, find a valid adapter
+		 *    structure and send another ping.
+		 */
+			for (i = 0; i < card->card_size; i++) {
+				adapter = card->adapter[i];
+				if (adapter && (adapter->state == ADAPT_UP)) {
+					card->pingstatus = 0;
+					slic_upr_request(adapter, SLIC_UPR_PING,
+							 0, 0, 0, 0);
+					break;	/* Only issue one per card */
+				}
+			}
+		}
+wait:
+		SLIC_INTERRUPTIBLE_SLEEP_ON_TIMEOUT(card->dump_wq, delay);
+	} while (!signal_pending(current));
+
+end_thread:
+/*  DBG_MSG("[slicmon] slic_dump_thread card[%p] pid[%x] ENDING\n",
+    card, card->dump_pid); */
+	card->dumpthread_running = 0;
+
+	return 0;
+}
+
+/*
+ * Read a single byte from our dump index file.  This
+ * value is used as our suffix for our dump path.  The
+ * value is incremented and written back to the file
+ */
+uchar slic_get_dump_index(pchar path)
+{
+	uchar index = 0;
+#ifdef SLIC_DUMP_INDEX_SUPPORT
+	ulong32 status;
+	pvoid FileHandle;
+	ulong32 offset;
+
+	offset = 0;
+
+	/*
+	 * Open the index file.  If one doesn't exist, create it
+	 */
+	status = create_file(&FileHandle);
+
+	if (status != STATUS_SUCCESS)
+		return (uchar) 0;
+
+	status = read_file(FileHandle, &index, 1, &offset);
+
+	index++;
+
+	status = write_file(FileHandle, &index, 1, &offset);
+
+	close_file(FileHandle);
+#else
+	index = 0;
+#endif
+	return index;
+}
+
+struct file *slic_dump_open_file(p_sliccard_t card)
+{
+	struct file *SLIChandle = NULL;
+	struct dentry *dentry = NULL;
+	struct inode *inode = NULL;
+	char SLICfile[50];
+
+	card->dumpfile_fs = get_fs();
+
+	set_fs(KERNEL_DS);
+
+	memset(SLICfile, 0, sizeof(SLICfile));
+	sprintf(SLICfile, "/var/tmp/slic%d-dump-%d", card->cardnum,
+		(uint) card->dump_count);
+	card->dump_count++;
+
+	SLIChandle =
+	    filp_open(SLICfile, O_CREAT | O_RDWR | O_SYNC | O_LARGEFILE, 0666);
+
+	DBG_MSG("[slicmon]: Dump Card #%d to file: %s \n", card->cardnum,
+		SLICfile);
+
+/*  DBG_MSG("[slicmon] filp_open %s SLIChandle[%p]\n", SLICfile, SLIChandle);*/
+
+	if (IS_ERR(SLIChandle))
+		goto end_slicdump;
+
+	dentry = SLIChandle->f_dentry;
+	inode = dentry->d_inode;
+
+/*  DBG_MSG("[slicmon] inode[%p] i_nlink[%x] i_mode[%x] i_op[%p] i_fop[%p]\n"
+		"f_op->write[%p]\n",
+		inode, inode->i_nlink, inode->i_mode, inode->i_op,
+		inode->i_fop, SLIChandle->f_op->write); */
+	if (inode->i_nlink > 1)
+		goto close_slicdump;	/* multiple links - don't dump */
+#ifdef HISTORICAL
+	if (!S_ISREG(inode->i_mode))
+		goto close_slicdump;
+#endif
+	if (!inode->i_op || !inode->i_fop)
+		goto close_slicdump;
+
+	if (!SLIChandle->f_op->write)
+		goto close_slicdump;
+
+	/*
+	 *  If we got here we have SUCCESSFULLY OPENED the dump file
+	 */
+/*  DBG_MSG("opened %s SLIChandle[%p]\n", SLICfile, SLIChandle); */
+	return SLIChandle;
+
+close_slicdump:
+	DBG_MSG("[slicmon] slic_dump_open_file failed close SLIChandle[%p]\n",
+		SLIChandle);
+	filp_close(SLIChandle, NULL);
+
+end_slicdump:
+	set_fs(card->dumpfile_fs);
+
+	return NULL;
+}
+
+void slic_dump_close_file(p_sliccard_t card)
+{
+
+/*  DBG_MSG("[slicmon] slic_dump_CLOSE_file close SLIChandle[%p]\n",
+   card->dumphandle); */
+
+	filp_close(card->dumphandle, NULL);
+
+	set_fs(card->dumpfile_fs);
+}
+
+ulong32 slic_dump_card(p_sliccard_t card, boolean resume)
+{
+	p_adapter_t adapter = card->master;
+	ulong32 status;
+	ulong32 queue;
+	ulong32 len, offset;
+	ulong32 sram_size, dram_size, regs;
+	sliccore_hdr_t corehdr;
+	ulong32 file_offset;
+	pchar namestr;
+	ulong32 i;
+	ulong32 max_queues = 0;
+	ulong32 result;
+
+	card->dumphandle = slic_dump_open_file(card);
+
+	if (card->dumphandle == NULL) {
+		DBG_MSG("[slicmon] Cant create Dump file - dump failed\n");
+		return -ENOMEM;
+	}
+	if (!card->dumpbuffer) {
+		DBG_MSG("[slicmon] Insufficient memory for dump\n");
+		return -ENOMEM;
+	}
+	if (!card->cmdbuffer) {
+		DBG_MSG("[slicmon] Insufficient cmd memory for dump\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * Write the file version to the core header.
+	 */
+	namestr = slic_proc_version;
+	for (i = 0; i < (DRIVER_NAME_SIZE - 1); i++, namestr++) {
+		if (!namestr)
+			break;
+		corehdr.driver_version[i] = *namestr;
+	}
+	corehdr.driver_version[i] = 0;
+
+	file_offset = sizeof(sliccore_hdr_t);
+
+	/*
+	 * Issue the following debug commands to the SLIC:
+	 *        - Halt both receive and transmit
+	 *        - Dump receive registers
+	 *        - Dump transmit registers
+	 *        - Dump sram
+	 *        - Dump dram
+	 *        - Dump queues
+	 */
+	DBG_MSG("slicDump HALT Receive Processor\n");
+	card->dumptime_start = jiffies;
+
+	status = slic_dump_halt(card, PROC_RECEIVE);
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR
+		    ("Cant halt receive sequencer - dump failed status[%x]\n",
+		     status);
+		goto done;
+	}
+
+	DBG_MSG("slicDump HALT Transmit Processor\n");
+	status = slic_dump_halt(card, PROC_TRANSMIT);
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR("Cant halt transmit sequencer - dump failed\n");
+		goto done;
+	}
+
+	/* Dump receive regs */
+	status = slic_dump_reg(card, PROC_RECEIVE);
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR("Cant dump receive registers - dump failed\n");
+		goto done;
+	}
+
+	DBG_MSG("slicDump Write Receive REGS len[%x] offset[%x]\n",
+		(SLIC_NUM_REG * 4), file_offset);
+
+	result =
+	    slic_dump_write(card, card->dumpbuffer, SLIC_NUM_REG * 4,
+			    file_offset);
+	if (!result) {
+		DBG_ERROR
+		    ("Cant write rcv registers to dump file - dump failed\n");
+		goto done;
+	}
+
+	corehdr.RcvRegOff = file_offset;
+	corehdr.RcvRegsize = SLIC_NUM_REG * 4;
+	file_offset += SLIC_NUM_REG * 4;
+
+	/* Dump transmit regs */
+	status = slic_dump_reg(card, PROC_TRANSMIT);
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR("Cant dump transmit registers - dump failed\n");
+		goto done;
+	}
+
+	DBG_MSG("slicDump Write XMIT REGS len[%x] offset[%x]\n",
+		(SLIC_NUM_REG * 4), file_offset);
+
+	result =
+	    slic_dump_write(card, card->dumpbuffer, SLIC_NUM_REG * 4,
+			    file_offset);
+	if (!result) {
+		DBG_ERROR
+		    ("Cant write xmt registers to dump file - dump failed\n");
+		goto done;
+	}
+
+	corehdr.XmtRegOff = file_offset;
+	corehdr.XmtRegsize = SLIC_NUM_REG * 4;
+	file_offset += SLIC_NUM_REG * 4;
+
+	regs = SLIC_GBMAX_REG;
+
+	corehdr.FileRegOff = file_offset;
+	corehdr.FileRegsize = regs * 4;
+
+	for (offset = 0; regs;) {
+		len = MIN(regs, 16);	/* Can only xfr 16 regs at a time */
+
+		status = slic_dump_data(card, offset, (ushort) len, DESC_RFILE);
+
+		if (status != STATUS_SUCCESS) {
+			DBG_ERROR("Cant dump register file - dump failed\n");
+			goto done;
+		}
+
+		DBG_MSG("slicDump Write RegisterFile len[%x] offset[%x]\n",
+			(len * 4), file_offset);
+
+		result =
+		    slic_dump_write(card, card->dumpbuffer, len * 4,
+				    file_offset);
+		if (!result) {
+			DBG_ERROR
+			    ("Cant write register file to dump file - "
+			     "dump failed\n");
+			goto done;
+		}
+
+		file_offset += len * 4;
+		offset += len;
+		regs -= len;
+	}
+
+	dram_size = card->config.DramSize * 0x10000;
+
+	switch (adapter->devid) {
+	case SLIC_2GB_DEVICE_ID:
+		sram_size = SLIC_SRAM_SIZE2GB;
+		break;
+	case SLIC_1GB_DEVICE_ID:
+		sram_size = SLIC_SRAM_SIZE1GB;
+		break;
+	default:
+		sram_size = 0;
+		ASSERT(0);
+		break;
+	}
+
+	corehdr.SramOff = file_offset;
+	corehdr.Sramsize = sram_size;
+
+	for (offset = 0; sram_size;) {
+		len = MIN(sram_size, DUMP_BUF_SIZE);
+		status = slic_dump_data(card, offset, (ushort) len, DESC_SRAM);
+		if (status != STATUS_SUCCESS) {
+			DBG_ERROR
+			    ("[slicmon] Cant dump SRAM at offset %x - "
+			     "dump failed\n", (uint) offset);
+			goto done;
+		}
+
+		DBG_MSG("[slicmon] slicDump Write SRAM  len[%x] offset[%x]\n",
+			len, file_offset);
+
+		result =
+		    slic_dump_write(card, card->dumpbuffer, len, file_offset);
+		if (!result) {
+			DBG_ERROR
+			    ("[slicmon] Cant write SRAM to dump file - "
+			     "dump failed\n");
+			goto done;
+		}
+
+		file_offset += len;
+		offset += len;
+		sram_size -= len;
+	}
+
+	corehdr.DramOff = file_offset;
+	corehdr.Dramsize = dram_size;
+
+	for (offset = 0; dram_size;) {
+		len = MIN(dram_size, DUMP_BUF_SIZE);
+
+		status = slic_dump_data(card, offset, (ushort) len, DESC_DRAM);
+		if (status != STATUS_SUCCESS) {
+			DBG_ERROR
+			    ("[slicmon] Cant dump dram at offset %x - "
+			     "dump failed\n", (uint) offset);
+			goto done;
+		}
+
+		DBG_MSG("slicDump Write DRAM  len[%x] offset[%x]\n", len,
+			file_offset);
+
+		result =
+		    slic_dump_write(card, card->dumpbuffer, len, file_offset);
+		if (!result) {
+			DBG_ERROR
+			    ("[slicmon] Cant write DRAM to dump file - "
+			     "dump failed\n");
+			goto done;
+		}
+
+		file_offset += len;
+		offset += len;
+		dram_size -= len;
+	}
+
+	max_queues = SLIC_MAX_QUEUE;
+
+	for (queue = 0; queue < max_queues; queue++) {
+		pulong32 qarray = (pulong32) card->dumpbuffer;
+		ulong32 qarray_physl = card->dumpbuffer_physl;
+		ulong32 qarray_physh = card->dumpbuffer_physh;
+		ulong32 qstart;
+		ulong32 qdelta;
+		ulong32 qtotal = 0;
+
+		DBG_MSG("[slicmon] Start Dump of QUEUE #0x%x\n", (uint) queue);
+
+		for (offset = 0; offset < (DUMP_BUF_SIZE >> 2); offset++) {
+			qstart = jiffies;
+			qdelta = 0;
+
+			status = slic_dump_queue(card,
+						 qarray_physl,
+						 qarray_physh, queue);
+			qarray_physl += 4;
+
+			if (status != STATUS_SUCCESS)
+				break;
+
+			if (jiffies > qstart) {
+				qdelta = jiffies - qstart;
+				qtotal += qdelta;
+			}
+		}
+
+		if (offset)
+			qdelta = qtotal / offset;
+		else
+			qdelta = 0;
+
+/*        DBG_MSG("   slicDump Write QUEUE #0x%x len[%x] offset[%x] "
+		"avgjiffs[%x]\n", queue, (offset*4), file_offset, qdelta); */
+
+		result =
+		    slic_dump_write(card, card->dumpbuffer, offset * 4,
+				    file_offset);
+
+		if (!result) {
+			DBG_ERROR
+			    ("[slicmon] Cant write QUEUES to dump file - "
+			     "dump failed\n");
+			goto done;
+		}
+
+		corehdr.queues[queue].queueOff = file_offset;
+		corehdr.queues[queue].queuesize = offset * 4;
+		file_offset += offset * 4;
+
+/*      DBG_MSG("    Reload QUEUE #0x%x elements[%x]\n", (uint)queue, offset);*/
+		/*
+		 * Fill the queue back up
+		 */
+		for (i = 0; i < offset; i++) {
+			qstart = jiffies;
+			qdelta = 0;
+
+			status = slic_dump_load_queue(card, qarray[i], queue);
+			if (status != STATUS_SUCCESS)
+				break;
+
+			if (jiffies > qstart) {
+				qdelta = jiffies - qstart;
+				qtotal += qdelta;
+			}
+		}
+
+		if (offset)
+			qdelta = qtotal / offset;
+		else
+			qdelta = 0;
+
+/*      DBG_MSG("   Reload DONE avgjiffs[%x]\n", qdelta); */
+
+		resume = 1;
+	}
+
+	len = SLIC_GB_CAMAB_SZE * 4;
+	status = slic_dump_cam(card, 0, len, DUMP_CAM_A);
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR("[slicmon] Can't dump CAM_A - dump failed\n");
+		goto done;
+	}
+
+	result = slic_dump_write(card, card->dumpbuffer, len, file_offset);
+	if (result) {
+		DBG_ERROR
+		    ("[slicmon] Can't write CAM_A data to dump file - "
+		     "dump failed\n");
+		goto done;
+	}
+	corehdr.CamAMOff = file_offset;
+	corehdr.CamASize = len;
+	file_offset += len;
+
+	len = SLIC_GB_CAMCD_SZE * 4;
+	status = slic_dump_cam(card, 0, len, DUMP_CAM_C);
+	if (status) {
+		DBG_ERROR("[slicmon] Can't dump CAM_C - dump failed\n");
+		goto done;
+	}
+
+	result = slic_dump_write(card, card->dumpbuffer, len, file_offset);
+	if (result) {
+		DBG_ERROR
+		    ("[slicmon] Can't write CAM_C data to dump file - "
+		     "dump failed\n");
+		goto done;
+	}
+	corehdr.CamCMOff = file_offset;
+	corehdr.CamCSize = len;
+	file_offset += len;
+
+done:
+	/*
+	 * Write out the core header
+	 */
+	file_offset = 0;
+	DBG_MSG("[slicmon] Write CoreHeader len[%x] offset[%x]\n",
+		(uint) sizeof(sliccore_hdr_t), file_offset);
+
+	result =
+	    slic_dump_write(card, &corehdr, sizeof(sliccore_hdr_t),
+			    file_offset);
+	DBG_MSG("[slicmon] corehdr  xoff[%x] xsz[%x]\n"
+		"    roff[%x] rsz[%x] fileoff[%x] filesz[%x]\n"
+		"    sramoff[%x] sramsz[%x], dramoff[%x] dramsz[%x]\n"
+		"    corehdr_offset[%x]\n", corehdr.XmtRegOff,
+		corehdr.XmtRegsize, corehdr.RcvRegOff, corehdr.RcvRegsize,
+		corehdr.FileRegOff, corehdr.FileRegsize, corehdr.SramOff,
+		corehdr.Sramsize, corehdr.DramOff, corehdr.Dramsize,
+		(uint) sizeof(sliccore_hdr_t));
+	for (i = 0; i < max_queues; i++) {
+		DBG_MSG("[slicmon]  QUEUE 0x%x  offset[%x] size[%x]\n",
+			(uint) i, corehdr.queues[i].queueOff,
+			corehdr.queues[i].queuesize);
+
+	}
+
+	slic_dump_close_file(card);
+
+	if (resume) {
+		DBG_MSG("slicDump RESTART RECEIVE and XMIT PROCESSORS\n\n");
+		slic_dump_resume(card, PROC_RECEIVE);
+		slic_dump_resume(card, PROC_TRANSMIT);
+	}
+
+	return status;
+}
+
+ulong32 slic_dump_halt(p_sliccard_t card, uchar proc)
+{
+	puchar cmd = card->cmdbuffer;
+
+	*cmd = COMMAND_BYTE(CMD_HALT, 0, proc);
+
+	return slic_dump_send_cmd(card,
+				   card->cmdbuffer_physl,
+				   card->cmdbuffer_physh, 0, 0);
+}
+
+ulong32 slic_dump_resume(p_sliccard_t card, uchar proc)
+{
+	puchar cmd = card->cmdbuffer;
+
+	*cmd = COMMAND_BYTE(CMD_RUN, 0, proc);
+
+	return slic_dump_send_cmd(card,
+				   card->cmdbuffer_physl,
+				   card->cmdbuffer_physh, 0, 0);
+}
+
+ulong32 slic_dump_reg(p_sliccard_t card, uchar proc)
+{
+	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+
+	dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, proc);
+	dump->desc = DESC_REG;
+	dump->count = 0;
+	dump->addr = 0;
+
+	return slic_dump_send_cmd(card,
+				   card->cmdbuffer_physl,
+				   card->cmdbuffer_physh,
+				   card->dumpbuffer_physl,
+				   card->dumpbuffer_physh);
+}
+
+ulong32 slic_dump_data(p_sliccard_t card,
+		       ulong32 addr, ushort count, uchar desc)
+{
+	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+
+	dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE);
+	dump->desc = desc;
+	dump->count = count;
+	dump->addr = addr;
+
+	return slic_dump_send_cmd(card,
+				   card->cmdbuffer_physl,
+				   card->cmdbuffer_physh,
+				   card->dumpbuffer_physl,
+				   card->dumpbuffer_physh);
+}
+
+ulong32 slic_dump_queue(p_sliccard_t card,
+			ulong32 addr, ulong32 buf_physh, ulong32 queue)
+{
+	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+
+	dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE);
+	dump->desc = DESC_QUEUE;
+	dump->count = 1;
+	dump->addr = queue;
+
+	return slic_dump_send_cmd(card,
+				   card->cmdbuffer_physl,
+				   card->cmdbuffer_physh,
+				   addr, card->dumpbuffer_physh);
+}
+
+ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue)
+{
+	pdump_cmd_t load = (pdump_cmd_t) card->cmdbuffer;
+
+	load->cmd = COMMAND_BYTE(CMD_LOAD, 0, PROC_RECEIVE);
+	load->desc = DESC_QUEUE;
+	load->count = (ushort) queue;
+	load->addr = data;
+
+	return slic_dump_send_cmd(card,
+				   card->cmdbuffer_physl,
+				   card->cmdbuffer_physh, 0, 0);
+}
+
+ulong32 slic_dump_cam(p_sliccard_t card,
+		      ulong32 addr, ulong32 count, uchar desc)
+{
+	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+
+	dump->cmd = COMMAND_BYTE(CMD_CAM_OPS, 0, PROC_NONE);
+	dump->desc = desc;
+	dump->count = count;
+	dump->addr = 0;
+
+	return slic_dump_send_cmd(card,
+				   card->cmdbuffer_physl,
+				   card->cmdbuffer_physh,
+				   addr, card->dumpbuffer_physh);
+}
+
+ulong32 slic_dump_send_cmd(p_sliccard_t card,
+			   ulong32 cmd_physl,
+			   ulong32 cmd_physh,
+			   ulong32 buf_physl, ulong32 buf_physh)
+{
+	ulong timeout = SLIC_MS_TO_JIFFIES(500);	/* 500 msec */
+	ulong32 attempts = 5;
+	ulong32 delay = SLIC_MS_TO_JIFFIES(10);	/* 10 msec */
+	p_adapter_t adapter = card->master;
+
+	ASSERT(adapter);
+	do {
+		/*
+		 * Zero the Dumpstatus field of the adapter structure
+		 */
+		card->dumpstatus = 0;
+		/*
+		 * Issue the dump command via a utility processor request.
+		 *
+		 * Kludge: We use the Informationbuffer parameter to hold
+		 * the buffer address
+		 */
+		slic_upr_request(adapter, SLIC_UPR_DUMP, cmd_physl, cmd_physh,
+				 buf_physl, buf_physh);
+
+		timeout += jiffies;
+		/*
+		 * Spin until completion or timeout.
+		 */
+		while (!card->dumpstatus) {
+			int num_sleeps = 0;
+
+			if (jiffies > timeout) {
+				/*
+				 *  Complete the timed-out DUMP UPR request.
+				 */
+				slic_upr_request_complete(adapter, 0);
+				DBG_ERROR
+				    ("%s: TIMED OUT num_sleeps[%x] "
+				     "status[%x]\n",
+				     __func__, num_sleeps, STATUS_FAILURE);
+
+				return STATUS_FAILURE;
+			}
+			num_sleeps++;
+			SLIC_INTERRUPTIBLE_SLEEP_ON_TIMEOUT(card->dump_wq,
+							    delay);
+		}
+
+		if (card->dumpstatus & ISR_UPCERR) {
+			/*
+			 * Error (or queue empty)
+			 */
+/*          DBG_ERROR("[slicmon] %s: DUMP_STATUS & ISR_UPCERR status[%x]\n",
+		__func__, STATUS_FAILURE); */
+
+			return STATUS_FAILURE;
+		} else if (card->dumpstatus & ISR_UPCBSY) {
+			/*
+			 * Retry
+			 */
+			DBG_ERROR("%s: ISR_UPCBUSY attempt[%x]\n", __func__,
+				  attempts);
+
+			attempts--;
+		} else {
+			/*
+			 * success
+			 */
+			return STATUS_SUCCESS;
+		}
+
+	} while (attempts);
+
+	DBG_ERROR("%s: GAVE UP AFTER SEVERAL ATTEMPTS status[%x]\n",
+		  __func__, STATUS_FAILURE);
+
+	/*
+	 * Gave up after several attempts
+	 */
+	return STATUS_FAILURE;
+}
+
+#endif
+/*=============================================================================
+  =============================================================================
+  ===                                                                       ===
+  ===      *** END **** END **** END **** END ***                           ===
+  ===       SLIC  DUMP  MANAGEMENT        SECTION                           ===
+  ===                                                                       ===
+  ===                                                                       ===
+  ===                                                                       ===
+  =============================================================================
+  ============================================================================*/
+
+/******************************************************************************/
+/****************   MODULE INITIATION / TERMINATION FUNCTIONS   ***************/
+/******************************************************************************/
+
+static struct pci_driver slic_driver = {
+	.name = DRV_NAME,
+	.id_table = slic_pci_tbl,
+	.probe = slic_entry_probe,
+	.remove = slic_entry_remove,
+#if SLIC_POWER_MANAGEMENT_ENABLED
+	.suspend = slicpm_suspend,
+	.resume = slicpm_resume,
+#endif
+/*    .shutdown   =     slic_shutdown,  MOOK_INVESTIGATE */
+};
+
+static int __init slic_module_init(void)
+{
+	struct pci_device_id *pcidev;
+	int ret;
+
+/*      DBG_MSG("slicoss: %s ENTER cpu %d\n", __func__, smp_processor_id()); */
+
+	slic_init_driver();
+
+	if (debug >= 0 && slic_debug != debug)
+		printk(SLICLEVEL "slicoss: debug level is %d.\n", debug);
+	if (debug >= 0)
+		slic_debug = debug;
+
+	pcidev = (struct pci_device_id *)slic_driver.id_table;
+/*      DBG_MSG("slicoss: %s call pci_module_init jiffies[%lx] cpu #%d\n",
+	__func__, jiffies, smp_processor_id()); */
+
+	ret = pci_register_driver(&slic_driver);
+
+/*  DBG_MSG("slicoss: %s EXIT after call pci_module_init jiffies[%lx] "
+	    "cpu #%d status[%x]\n",__func__, jiffies,
+	    smp_processor_id(), ret); */
+
+	return ret;
+}
+
+static void __exit slic_module_cleanup(void)
+{
+/*      DBG_MSG("slicoss: %s ENTER\n", __func__); */
+	pci_unregister_driver(&slic_driver);
+	slic_debug_cleanup();
+/*      DBG_MSG("slicoss: %s EXIT\n", __func__); */
+}
+
+module_init(slic_module_init);
+module_exit(slic_module_cleanup);
-- 
GitLab


From 5db6b777f68603bf5a9eab891d83413ad894a074 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 21 Aug 2008 14:04:55 -0700
Subject: [PATCH 0340/2224] Staging: add sxg network driver

This is the first rough cut at a driver for the Alacritech SLIC
Technology Non-Accelerated 10Gbe network driver

TODO:
  - lindent the code
  - remove typedefs
  - remove wrappers
  - checkpatch.pl cleanups
  - new functionality that the card needs

Cc: Christopher Harrer <charrer@alacritech.com>
Cc: Michael Miles <mmiles@alacritech.com>
Cc: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                 |    2 +
 drivers/staging/Makefile                |    1 +
 drivers/staging/sxg/Kconfig             |   10 +
 drivers/staging/sxg/Makefile            |    1 +
 drivers/staging/sxg/README              |   13 +
 drivers/staging/sxg/saharadbgdownload.h | 4854 +++++++++++++++++++++++
 drivers/staging/sxg/sxg.c               | 3608 +++++++++++++++++
 drivers/staging/sxg/sxg.h               |  773 ++++
 drivers/staging/sxg/sxg_os.h            |  154 +
 drivers/staging/sxg/sxgdbg.h            |  190 +
 drivers/staging/sxg/sxghif.h            |  861 ++++
 drivers/staging/sxg/sxghw.h             |  734 ++++
 drivers/staging/sxg/sxgphycode.h        |  349 ++
 13 files changed, 11550 insertions(+)
 create mode 100644 drivers/staging/sxg/Kconfig
 create mode 100644 drivers/staging/sxg/Makefile
 create mode 100644 drivers/staging/sxg/README
 create mode 100644 drivers/staging/sxg/saharadbgdownload.h
 create mode 100644 drivers/staging/sxg/sxg.c
 create mode 100644 drivers/staging/sxg/sxg.h
 create mode 100644 drivers/staging/sxg/sxg_os.h
 create mode 100644 drivers/staging/sxg/sxgdbg.h
 create mode 100644 drivers/staging/sxg/sxghif.h
 create mode 100644 drivers/staging/sxg/sxghw.h
 create mode 100644 drivers/staging/sxg/sxgphycode.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index e18aecc6daf..6da76622191 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -27,4 +27,6 @@ source "drivers/staging/et131x/Kconfig"
 
 source "drivers/staging/slicoss/Kconfig"
 
+source "drivers/staging/sxg/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index e5e4a0ee77a..cd6d6a52751 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -2,3 +2,4 @@
 
 obj-$(CONFIG_ET131X)		+= et131x/
 obj-$(CONFIG_SLICOSS)		+= slicoss/
+obj-$(CONFIG_SXG)		+= sxg/
diff --git a/drivers/staging/sxg/Kconfig b/drivers/staging/sxg/Kconfig
new file mode 100644
index 00000000000..1ae35080660
--- /dev/null
+++ b/drivers/staging/sxg/Kconfig
@@ -0,0 +1,10 @@
+config SXG
+	tristate "Alacritech SLIC Technology Non-Accelerated 10Gbe support"
+	depends on PCI && NETDEV_10000
+	default n
+	help
+	  This driver supports the Alacritech SLIC Technology Non-Accelerated
+	  10Gbe network cards.
+
+	  To compile this driver as a module, choose
+	  M here: the module will be called sxg.
diff --git a/drivers/staging/sxg/Makefile b/drivers/staging/sxg/Makefile
new file mode 100644
index 00000000000..ec48faa7b3e
--- /dev/null
+++ b/drivers/staging/sxg/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_SXG)	+= sxg.o
diff --git a/drivers/staging/sxg/README b/drivers/staging/sxg/README
new file mode 100644
index 00000000000..4d1ddbe4c33
--- /dev/null
+++ b/drivers/staging/sxg/README
@@ -0,0 +1,13 @@
+This is the rough cut at a driver for the Alacritech SLIC Technology
+Non-Accelerated 10Gbe network driver.
+
+TODO:
+	- lindent the code
+	- remove typedefs
+	- remove wrappers
+	- checkpatch.pl cleanups
+	- new functionality that the card needs
+
+Please send patches to:
+        Greg Kroah-Hartman <gregkh@suse.de>
+for any cleanups that you do to this driver.
diff --git a/drivers/staging/sxg/saharadbgdownload.h b/drivers/staging/sxg/saharadbgdownload.h
new file mode 100644
index 00000000000..d8865ba0504
--- /dev/null
+++ b/drivers/staging/sxg/saharadbgdownload.h
@@ -0,0 +1,4854 @@
+#define SAHARA_UCODE_VERS_STRING	"$Revision: 1.1 $"
+#define SAHARA_UCODE_VERS_DATE  	"$Date: 2008/06/27 12:58:27 $"
+#define SAHARA_UCODE_HOSTIF_ID  	3
+
+static u32 SNumSections = 0x2;
+static u32 SSectionSize[] =
+{
+	0x0000e274, 0x0000000c,
+};
+
+static u32 SSectionStart[] =
+{
+	0x00000000, 0x00001fff,
+};
+
+static unsigned char SaharaUCode[2][57972] =
+{
+{
+	0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x82, 0x4d, 0x29, 0x3a,
+	0x00, 0x00, 0xb2, 0x03, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xac, 0x02, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0xa8, 0x02, 0x00, 0x00, 0x92,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x22, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x40, 0x2b, 0x92,
+	0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x25, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x26, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x27, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x29, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0x98, 0x1e, 0x80, 0xe9, 0x9a,
+	0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x2d, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x2e, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x2f, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x0f, 0x80, 0x28, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x00, 0x00, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x40, 0x00, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x80, 0x00, 0x92,
+	0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0xc0, 0x00, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x00, 0x01, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x40, 0x01, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x80, 0x01, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0xc0, 0x01, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x00, 0x02, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x40, 0x02, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x80, 0x02, 0x92,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x00, 0x03, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x40, 0x03, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0x80, 0x03, 0x92,
+	0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x0f, 0xc0, 0x03, 0x92,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x5f, 0x3f, 0x00, 0x34,
+	0x00, 0x00, 0x8a, 0x11, 0x04, 0x00, 0x00, 0x80, 0x42, 0xff, 0xfc, 0xb0,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x12, 0x80, 0xfd, 0x3a,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x8a, 0x11, 0x8a, 0x11, 0x02, 0x01, 0x00, 0x80, 0x82, 0x8d, 0xfd, 0xbc,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x12, 0x80, 0xfd, 0x3a,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03, 0xc0, 0x01, 0x32,
+	0x38, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x84, 0x82, 0x4d, 0x28, 0x1a,
+	0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0x60, 0x5f, 0x0a, 0xf6, 0x94,
+	0x00, 0x00, 0x4b, 0x00, 0x00, 0x00, 0x00, 0xb0, 0x02, 0x00, 0x00, 0x92,
+	0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x02, 0x00, 0x00, 0x92,
+	0x00, 0x00, 0x49, 0x00, 0x00, 0x00, 0x00, 0x90, 0x0e, 0x80, 0x18, 0x92,
+	0x00, 0x00, 0xd2, 0x02, 0x00, 0x00, 0x00, 0x00, 0x08, 0xc0, 0x20, 0x92,
+	0x00, 0x00, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x21, 0x92,
+	0x00, 0x00, 0xd0, 0x02, 0x00, 0x00, 0x00, 0x00, 0x08, 0x40, 0x21, 0x92,
+	0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x85, 0x21, 0x90,
+	0x00, 0x00, 0x4b, 0x03, 0x00, 0x00, 0x00, 0xec, 0x02, 0xc0, 0x22, 0x92,
+	0x00, 0x00, 0x43, 0x04, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x51, 0x00, 0x00, 0x00, 0x00, 0xb0, 0x02, 0x40, 0x18, 0x9d,
+	0x00, 0x00, 0x4d, 0x00, 0x00, 0x00, 0x00, 0xd0, 0x02, 0x00, 0x00, 0x92,
+	0x00, 0x00, 0x8b, 0x03, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x8a, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x80, 0x02, 0x00, 0x00, 0x70,
+	0x00, 0x00, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0xc0, 0x21, 0x92,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xe8, 0x02, 0x00, 0x90, 0x72,
+	0x00, 0x00, 0x8a, 0x11, 0x80, 0x01, 0x00, 0x80, 0xb2, 0x00, 0xe9, 0xb6,
+	0x00, 0x00, 0xb0, 0x03, 0x00, 0x00, 0x00, 0x7c, 0x1e, 0xc0, 0xe7, 0x9a,
+	0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x13, 0x40, 0x01, 0x39,
+	0x00, 0x00, 0xa4, 0x03, 0x00, 0x00, 0x00, 0x08, 0xb8, 0x01, 0x00, 0x94,
+	0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xb3, 0x40, 0x01, 0x39,
+	0x00, 0x00, 0xb0, 0x03, 0xb2, 0x00, 0x00, 0xd8, 0x02, 0x00, 0x00, 0xb2,
+	0x00, 0x00, 0x8a, 0x11, 0x17, 0x01, 0x00, 0x80, 0x02, 0x00, 0x00, 0xb0,
+	0x00, 0x00, 0x69, 0x05, 0x00, 0x10, 0x01, 0xf8, 0x02, 0x00, 0x6e, 0x92,
+	0x00, 0x00, 0x8a, 0x11, 0x0a, 0x00, 0x00, 0xcc, 0x02, 0x00, 0x00, 0xb2,
+	0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x09, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0xe2, 0x10, 0x00, 0x00, 0x00, 0x14, 0x09, 0x40, 0x18, 0xd2,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0x01, 0x00, 0x2b, 0x32,
+	0x00, 0x00, 0x57, 0x00, 0x80, 0x01, 0x00, 0x80, 0x12, 0x81, 0xfc, 0xb6,
+	0x00, 0x00, 0x8a, 0x11, 0x04, 0x01, 0x00, 0x80, 0x02, 0x00, 0x2b, 0xbc,
+	0x02, 0x00, 0x57, 0x00, 0xb0, 0x00, 0x00, 0xa0, 0xc2, 0x0a, 0x00, 0xb9,
+	0x00, 0x00, 0x5a, 0x00, 0x04, 0x01, 0x00, 0x80, 0x02, 0xc0, 0xb0, 0xbc,
+	0x00, 0x00, 0x60, 0x00, 0xa0, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x5c, 0x00, 0x80, 0x01, 0x00, 0x80, 0xc2, 0x4a, 0xd0, 0xb6,
+	0x00, 0x00, 0x60, 0x00, 0xa0, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x04, 0xcd, 0x4a, 0xd0, 0x34,
+	0x00, 0x00, 0xfa, 0x0f, 0x00, 0x00, 0x00, 0xd8, 0x02, 0x00, 0x00, 0xd2,
+	0x00, 0x00, 0x8a, 0x11, 0x04, 0x00, 0x00, 0x80, 0x02, 0x80, 0x92, 0xbc,
+	0x18, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x73, 0x0a, 0x03, 0xf9,
+	0x00, 0x00, 0x54, 0x00, 0x03, 0x01, 0x00, 0xb0, 0x02, 0x40, 0x18, 0xbd,
+	0x08, 0x00, 0xb0, 0x03, 0x00, 0x00, 0x00, 0xf8, 0xa3, 0x40, 0x01, 0x99,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x00, 0x16, 0x32,
+	0x00, 0x00, 0x67, 0x00, 0x03, 0x01, 0x00, 0xd8, 0x02, 0x80, 0x80, 0xbd,
+	0x00, 0x00, 0x76, 0x00, 0x12, 0x01, 0x00, 0xe8, 0x02, 0xc0, 0x21, 0xb2,
+	0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x73, 0x0a, 0x03, 0x39,
+	0x76, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x02, 0x00, 0x36, 0x92,
+	0x00, 0x00, 0x6b, 0x00, 0x12, 0x01, 0x00, 0x5c, 0x08, 0x80, 0x22, 0xb2,
+	0x00, 0x00, 0x65, 0x00, 0x04, 0x01, 0x00, 0x80, 0x82, 0x85, 0x80, 0xbc,
+	0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x73, 0x8a, 0x03, 0x39,
+	0x63, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x02, 0x00, 0x36, 0x92,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, 0x8b, 0x80, 0x35,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xb8, 0xff, 0x85, 0x30,
+	0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x21, 0xff, 0x38,
+	0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x87, 0x4d, 0x80, 0x3a,
+	0x2c, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x87, 0x0d, 0x80, 0x3a,
+	0x00, 0xc4, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x07, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x8a, 0x11, 0x12, 0x00, 0x00, 0x54, 0xf2, 0xc1, 0x38, 0xb4,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0x12, 0x80, 0x2d, 0x37,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x48, 0x41, 0x80, 0x3a,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x86, 0x98, 0x67, 0xc0, 0x82, 0x3a,
+	0x00, 0x00, 0x63, 0x00, 0x12, 0x00, 0x00, 0xe8, 0x02, 0xc0, 0x21, 0xb2,
+	0x00, 0x00, 0x8a, 0x11, 0x80, 0x00, 0x00, 0x80, 0x62, 0x8b, 0x80, 0xb6,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8, 0x12, 0x80, 0x2d, 0x37,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x08, 0x80, 0x70, 0x32,
+	0x00, 0x00, 0x7c, 0x00, 0x90, 0x99, 0x86, 0x2c, 0x28, 0xde, 0x82, 0xba,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x18, 0xc0, 0x82, 0x3a,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x08, 0xc5, 0x82, 0x30,
+	0x00, 0x00, 0x8a, 0x11, 0x04, 0x01, 0x00, 0x80, 0x02, 0xc5, 0x82, 0xbc,
+	0x00, 0x00, 0x63, 0x00, 0x00, 0x00, 0x00, 0x08, 0x68, 0x8b, 0x80, 0x94,
+	0x08, 0x00, 0x81, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x73, 0x40, 0x01, 0x99,
+	0x08, 0x00, 0x38, 0x03, 0x0c, 0x00, 0x00, 0xf8, 0x53, 0x40, 0x01, 0xb9,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x05, 0x80, 0x30,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb0, 0x02, 0x00, 0x02, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x08, 0x80, 0x3d, 0x32,
+	0x00, 0x00, 0x7e, 0x11, 0x00, 0x00, 0x00, 0x14, 0x09, 0x00, 0x80, 0xd2,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0x02, 0x00, 0x00, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x09, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0xe2, 0x10, 0x00, 0x00, 0x00, 0x14, 0x59, 0x00, 0x80, 0xd7,
+	0x00, 0x00, 0x8a, 0x11, 0x80, 0x00, 0x00, 0x80, 0x62, 0x80, 0x2f, 0xb6,
+	0x00, 0x00, 0x8a, 0x11, 0x02, 0x01, 0x00, 0x80, 0x82, 0x3a, 0x80, 0xbc,
+	0x00, 0x00, 0x8a, 0x11, 0x06, 0x01, 0x00, 0x80, 0x92, 0x3a, 0x80, 0xbc,
+	0x00, 0x90, 0x8a, 0x11, 0x04, 0x01, 0x00, 0x80, 0xa2, 0x0d, 0x80, 0xb0,
+	0x00, 0x00, 0x8a, 0x11, 0x12, 0x01, 0x00, 0x78, 0x09, 0xc0, 0x21, 0xb2,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd4, 0x02, 0x00, 0x00, 0x32,
+	0x02, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa9, 0x0d, 0x80, 0x32,
+	0x00, 0x00, 0x8a, 0x11, 0x12, 0x00, 0x00, 0x54, 0x02, 0xa4, 0x38, 0xb2,
+	0x00, 0x02, 0x00, 0x80, 0x00, 0x00, 0x00, 0x2c, 0x08, 0x00, 0x37, 0x32,
+	0x18, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x73, 0x0a, 0x03, 0xf9,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x04, 0x08, 0x80, 0x72, 0x32,
+	0x00, 0x00, 0x96, 0x00, 0x9f, 0x00, 0x00, 0x5c, 0x08, 0x00, 0x72, 0xb2,
+	0x87, 0x00, 0x95, 0x00, 0x80, 0x01, 0x00, 0x80, 0x82, 0xcd, 0x85, 0xb0,
+	0x00, 0x00, 0xa7, 0x00, 0x00, 0x00, 0x00, 0x2c, 0xd8, 0xc1, 0x82, 0x94,
+	0x00, 0x00, 0xa7, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x88, 0xc1, 0x82, 0x94,
+	0x00, 0x00, 0x9e, 0x00, 0x06, 0x00, 0x00, 0x80, 0x52, 0x7d, 0x80, 0xbc,
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+	0x6b, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5c, 0x03, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x0f, 0x80, 0x2a, 0x32,
+	0x00, 0x00, 0x6b, 0x12, 0x04, 0x00, 0x00, 0x80, 0x02, 0x40, 0x29, 0xb2,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x83, 0x3e, 0x00, 0x34,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x83, 0x3e, 0x00, 0x34,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x53, 0x0a, 0x00, 0x34,
+	0x00, 0x00, 0x6c, 0x12, 0x00, 0x00, 0x00, 0x88, 0x0f, 0x40, 0x2b, 0x92,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x0f, 0x00, 0x28, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x94, 0x0f, 0x00, 0x29, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, 0x0f, 0x80, 0x2a, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0x02, 0xc0, 0xf9, 0x32,
+	0x71, 0x12, 0x97, 0x12, 0x00, 0x00, 0x00, 0xb0, 0x0f, 0x00, 0x36, 0x92,
+	0x07, 0x00, 0x74, 0x12, 0x04, 0x00, 0x00, 0x80, 0x82, 0x4d, 0x29, 0xbc,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x1f, 0x00, 0xfa, 0x3a,
+	0x00, 0x00, 0x68, 0x12, 0x00, 0x00, 0x00, 0x9c, 0x0f, 0x80, 0x2a, 0x92,
+	0xc0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xac, 0x0f, 0x00, 0x36, 0x32,
+	0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x02, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x84, 0x12, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0xd0,
+	0x1f, 0x00, 0x7a, 0x12, 0x04, 0x00, 0x00, 0x80, 0x82, 0xcd, 0x29, 0xbc,
+	0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xac, 0x8f, 0xcd, 0xfa, 0x3a,
+	0x00, 0x00, 0x76, 0x12, 0x00, 0x00, 0x00, 0x9c, 0x12, 0xc0, 0x29, 0x9a,
+	0x00, 0x00, 0x3a, 0x12, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0xd0,
+	0x00, 0x00, 0x30, 0x12, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0xd0,
+	0x00, 0x00, 0x82, 0x12, 0x04, 0x00, 0x00, 0x80, 0x52, 0x8a, 0xfa, 0xbc,
+	0xa2, 0x60, 0x03, 0x00, 0x00, 0x00, 0x00, 0x58, 0x03, 0x00, 0x37, 0x32,
+	0x82, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5c, 0x03, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0xa3, 0x3e, 0x00, 0x34,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0xa3, 0x3e, 0x00, 0x34,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x53, 0x0a, 0x00, 0x34,
+	0x00, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa4, 0x0f, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0xf7, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc4, 0x02, 0xc0, 0xfa, 0x32,
+	0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x0f, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbc, 0x0f, 0x40, 0x2f, 0x32,
+	0x00, 0x00, 0x8b, 0x12, 0x04, 0x00, 0x00, 0x9c, 0x1f, 0xc0, 0xf9, 0xbc,
+	0x00, 0x00, 0x8a, 0x12, 0x04, 0x00, 0x00, 0x80, 0x02, 0x40, 0x2f, 0xb2,
+	0x00, 0x00, 0x87, 0x12, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x2c, 0x92,
+	0x00, 0x00, 0x87, 0x12, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x36, 0x92,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x40, 0x2c, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x80, 0x2c, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xc0, 0x2c, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x2d, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x40, 0x2d, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x80, 0x2d, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xc0, 0x2d, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xc0, 0xfb, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x80, 0x2f, 0x32,
+	0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x73, 0x0a, 0x02, 0x39,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0xe0, 0x07, 0x80, 0x3f, 0x52,
+	0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x03, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0xf9, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x40, 0x28, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x80, 0xf8, 0x32,
+	0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x0f, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbc, 0x0f, 0xc0, 0x2b, 0x32,
+	0x00, 0x00, 0xa0, 0x12, 0x04, 0x00, 0x00, 0x9c, 0x1f, 0xc0, 0xf9, 0xbc,
+	0x00, 0x00, 0x9f, 0x12, 0x04, 0x00, 0x00, 0x80, 0x02, 0xc0, 0x2b, 0xb2,
+	0x00, 0x00, 0x9c, 0x12, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xc0, 0x28, 0x92,
+	0x00, 0x00, 0x9c, 0x12, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x36, 0x92,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x40, 0xf9, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x40, 0x29, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x80, 0x29, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xc0, 0x29, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x2a, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x40, 0x2a, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x80, 0xf9, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xc0, 0x2a, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x2b, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x40, 0x2b, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x80, 0x2b, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0xc0, 0xfb, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x02, 0x00, 0xfb, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x02, 0x00, 0x00, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x02, 0x00, 0x00, 0x32,
+	0x00, 0x00, 0xb1, 0x12, 0x9f, 0x00, 0x00, 0x80, 0x02, 0x00, 0x90, 0xb2,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x07, 0x40, 0x90, 0x52,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x07, 0x80, 0x90, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x19, 0x00, 0x00, 0x07, 0x40, 0x90, 0x52,
+	0x00, 0x00, 0xb3, 0x12, 0x12, 0x00, 0x00, 0x48, 0xf2, 0x01, 0x00, 0xb4,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x90, 0x32,
+	0x00, 0x00, 0xb5, 0x12, 0x12, 0x00, 0x00, 0x9c, 0x0f, 0xc0, 0x21, 0xb2,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x80, 0x02, 0x00, 0x00, 0x50,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb4, 0x0f, 0x40, 0xfb, 0x35,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x02, 0x00, 0x00, 0x32,
+	0x4c, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0x02, 0x00, 0x36, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x07, 0x80, 0x2a, 0x32,
+	0x00, 0x00, 0xad, 0x12, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0xd0,
+	0x00, 0x00, 0xb3, 0x12, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0xd0,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xcb, 0xc1, 0xb0, 0x34,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9c, 0x02, 0x00, 0x00, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x02, 0x00, 0x00, 0x32,
+	0x00, 0x00, 0xc4, 0x12, 0x00, 0x00, 0x00, 0x28, 0x09, 0xc0, 0xb0, 0xd2,
+	0x00, 0x00, 0xbe, 0x12, 0x04, 0x00, 0x00, 0x80, 0x02, 0x80, 0x92, 0xb2,
+	0x00, 0x00, 0xc2, 0x12, 0x12, 0x00, 0x00, 0x9c, 0x0f, 0xc0, 0x21, 0xb2,
+	0x00, 0x00, 0xc4, 0x11, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb0, 0x02, 0x00, 0x00, 0x32,
+	0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0xc2, 0x0a, 0x00, 0x39,
+	0x00, 0x00, 0xc8, 0x12, 0x04, 0x01, 0x00, 0x28, 0x09, 0x34, 0xb0, 0xba,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x28, 0x09, 0x00, 0x00, 0x52,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa8, 0x22, 0x00, 0x2b, 0x37,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84, 0xc0, 0x37, 0xac, 0xb0, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0b, 0x00, 0x00, 0x32,
+	0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xa9, 0x4d, 0xb0, 0x30,
+	0x00, 0x00, 0xd8, 0x12, 0x80, 0x00, 0x00, 0x80, 0x02, 0x40, 0xb0, 0xb6,
+	0x00, 0x00, 0xcd, 0x12, 0x12, 0x00, 0x00, 0x00, 0x09, 0x40, 0x20, 0xb2,
+	0x00, 0x00, 0xce, 0x12, 0x12, 0x00, 0x00, 0x04, 0x09, 0x40, 0x20, 0xb2,
+	0x00, 0x00, 0xd1, 0x12, 0x9f, 0x01, 0x00, 0x80, 0x02, 0x00, 0x90, 0xb2,
+	0x00, 0x00, 0xd0, 0x12, 0x12, 0x00, 0x00, 0x08, 0x09, 0x40, 0x20, 0xb2,
+	0x0d, 0x00, 0xcd, 0x12, 0x04, 0x01, 0x00, 0x80, 0x02, 0xe4, 0x16, 0xb8,
+	0x02, 0x00, 0xcd, 0x12, 0x04, 0x01, 0x00, 0xbc, 0x0f, 0x24, 0x17, 0xb8,
+	0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbc, 0x0f, 0x64, 0x16, 0x38,
+	0x00, 0x00, 0xcd, 0x12, 0x04, 0x01, 0x00, 0x80, 0x22, 0xc0, 0xfb, 0xbc,
+	0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0xc2, 0x0a, 0x00, 0x39,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x3b, 0x40, 0xb0, 0x33,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xcd, 0x4a, 0xd0, 0x35,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe7, 0x25, 0x01, 0x32,
+	0x00, 0x42, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x87, 0x8d, 0x2a, 0x3a,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x07, 0x00, 0xb0, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x07, 0x00, 0xd0, 0x32,
+	0x00, 0x00, 0x00, 0x00, 0x12, 0x01, 0x00, 0x48, 0xf2, 0xc1, 0x38, 0x54,
+	0x00, 0x00, 0xdc, 0x12, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+	0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+},
+{
+	0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0x80, 0x02, 0x00, 0x00, 0x90,
+},
+};
diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
new file mode 100644
index 00000000000..a91c9f39727
--- /dev/null
+++ b/drivers/staging/sxg/sxg.c
@@ -0,0 +1,3608 @@
+/**************************************************************************
+ *
+ * Copyright (C) 2000-2008 Alacritech, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: sxg.c
+ *
+ * The SXG driver for Alacritech's 10Gbe products.
+ *
+ * NOTE: This is the standard, non-accelerated version of Alacritech's
+ *       IS-NIC driver.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/skbuff.h>
+#include <linux/delay.h>
+#include <linux/types.h>
+#include <linux/dma-mapping.h>
+#include <linux/mii.h>
+
+#define SLIC_DUMP_ENABLED		0
+#define SLIC_GET_STATS_ENABLED		0
+#define LINUX_FREES_ADAPTER_RESOURCES	1
+#define SXG_OFFLOAD_IP_CHECKSUM		0
+#define SXG_POWER_MANAGEMENT_ENABLED	0
+#define VPCI				0
+#define DBG				1
+#define ATK_DEBUG			1
+
+#include "sxg_os.h"
+#include "sxghw.h"
+#include "sxghif.h"
+#include "sxg.h"
+#include "sxgdbg.h"
+
+#include "sxgphycode.h"
+#include "saharadbgdownload.h"
+
+static int sxg_allocate_buffer_memory(p_adapter_t adapter, u32 Size, SXG_BUFFER_TYPE BufferType);
+static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, void * RcvBlock, dma_addr_t PhysicalAddress, u32 Length);
+static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, PSXG_SCATTER_GATHER SxgSgl, dma_addr_t PhysicalAddress, u32 Length);
+
+static void sxg_mcast_init_crc32(void);
+
+static int sxg_entry_open(p_net_device dev);
+static int sxg_entry_halt(p_net_device dev);
+static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd);
+static int sxg_send_packets(struct sk_buff *skb, p_net_device dev);
+static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb);
+static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl);
+
+static void sxg_handle_interrupt(p_adapter_t adapter);
+static int sxg_process_isr(p_adapter_t adapter, u32 MessageId);
+static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId);
+static void sxg_complete_slow_send(p_adapter_t adapter);
+static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event);
+static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus);
+static bool sxg_mac_filter(p_adapter_t adapter,
+		       p_ether_header EtherHdr, ushort length);
+
+#if SLIC_GET_STATS_ENABLED
+static struct net_device_stats *sxg_get_stats(p_net_device dev);
+#endif
+
+static int sxg_mac_set_address(p_net_device dev, void * ptr);
+
+static void sxg_adapter_set_hwaddr(p_adapter_t adapter);
+
+static void sxg_unmap_mmio_space(p_adapter_t adapter);
+static void sxg_mcast_set_mask(p_adapter_t adapter);
+
+static int sxg_initialize_adapter(p_adapter_t adapter);
+static void sxg_stock_rcv_buffers(p_adapter_t adapter);
+static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index);
+static int sxg_initialize_link(p_adapter_t adapter);
+static int sxg_phy_init(p_adapter_t adapter);
+static void sxg_link_event(p_adapter_t adapter);
+static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter);
+static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState);
+static int sxg_write_mdio_reg(p_adapter_t adapter,
+		       u32 DevAddr, u32 RegAddr, u32 Value);
+static int sxg_read_mdio_reg(p_adapter_t adapter,
+		      u32 DevAddr, u32 RegAddr, u32 * pValue);
+static void sxg_mcast_set_list(p_net_device dev);
+
+
+
+#define XXXTODO 0
+
+static unsigned int sxg_first_init = 1;
+static char *sxg_banner =
+    "Alacritech SLIC Technology(tm) Server and Storage 10Gbe Accelerator (Non-Accelerated)\n";
+
+static int sxg_debug = 1;
+static int debug = -1;
+static p_net_device head_netdevice = NULL;
+
+static sxgbase_driver_t sxg_global = {
+	.dynamic_intagg = 1,
+};
+static int intagg_delay = 100;
+static u32 dynamic_intagg = 0;
+
+#define DRV_NAME	"sxg"
+#define DRV_VERSION	"1.0.1"
+#define DRV_AUTHOR	"Alacritech, Inc. Engineering"
+#define DRV_DESCRIPTION	"Alacritech SLIC Techonology(tm) Non-Accelerated 10Gbe Driver"
+#define DRV_COPYRIGHT	"Copyright 2000-2008 Alacritech, Inc.  All rights reserved."
+
+MODULE_AUTHOR(DRV_AUTHOR);
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_LICENSE("GPL");
+
+module_param(dynamic_intagg, int, 0);
+MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting");
+module_param(intagg_delay, int, 0);
+MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay");
+
+static struct pci_device_id sxg_pci_tbl[] __devinitdata = {
+	{PCI_DEVICE(SXG_VENDOR_ID, SXG_DEVICE_ID)},
+	{0,}
+};
+MODULE_DEVICE_TABLE(pci, sxg_pci_tbl);
+
+/***********************************************************************
+************************************************************************
+************************************************************************
+************************************************************************
+************************************************************************/
+
+static inline void sxg_reg32_write(void __iomem *reg, u32 value, bool flush)
+{
+	writel(value, reg);
+	if (flush)
+		mb();
+}
+
+static inline void sxg_reg64_write(p_adapter_t adapter, void __iomem *reg,
+				   u64 value, u32 cpu)
+{
+	u32 value_high = (u32) (value >> 32);
+	u32 value_low = (u32) (value & 0x00000000FFFFFFFF);
+	unsigned long flags;
+
+	spin_lock_irqsave(&adapter->Bit64RegLock, flags);
+	writel(value_high, (void __iomem *)(&adapter->UcodeRegs[cpu].Upper));
+	writel(value_low, reg);
+	spin_unlock_irqrestore(&adapter->Bit64RegLock, flags);
+}
+
+static void sxg_init_driver(void)
+{
+	if (sxg_first_init) {
+		DBG_ERROR("sxg: %s sxg_first_init set jiffies[%lx]\n",
+			  __FUNCTION__, jiffies);
+		sxg_first_init = 0;
+		spin_lock_init(&sxg_global.driver_lock);
+	}
+}
+
+static void sxg_dbg_macaddrs(p_adapter_t adapter)
+{
+	DBG_ERROR("  (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		  adapter->netdev->name, adapter->currmacaddr[0],
+		  adapter->currmacaddr[1], adapter->currmacaddr[2],
+		  adapter->currmacaddr[3], adapter->currmacaddr[4],
+		  adapter->currmacaddr[5]);
+	DBG_ERROR("  (%s) mac  %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		  adapter->netdev->name, adapter->macaddr[0],
+		  adapter->macaddr[1], adapter->macaddr[2],
+		  adapter->macaddr[3], adapter->macaddr[4],
+		  adapter->macaddr[5]);
+	return;
+}
+
+// SXG Globals
+static SXG_DRIVER SxgDriver;
+
+#ifdef  ATKDBG
+static sxg_trace_buffer_t LSxgTraceBuffer;
+#endif /* ATKDBG */
+static sxg_trace_buffer_t *SxgTraceBuffer = NULL;
+
+/*
+ * sxg_download_microcode
+ *
+ * Download Microcode to Sahara adapter
+ *
+ * Arguments -
+ *		adapter		- A pointer to our adapter structure
+ *		UcodeSel	- microcode file selection
+ *
+ * Return
+ *	int
+ */
+static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
+{
+	PSXG_HW_REGS HwRegs = adapter->HwRegs;
+	u32 Section;
+	u32 ThisSectionSize;
+	u32 * Instruction = NULL;
+	u32 BaseAddress, AddressOffset, Address;
+//      u32                         Failure;
+	u32 ValueRead;
+	u32 i;
+	u32 numSections = 0;
+	u32 sectionSize[16];
+	u32 sectionStart[16];
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DnldUcod",
+		  adapter, 0, 0, 0);
+	DBG_ERROR("sxg: %s ENTER\n", __FUNCTION__);
+
+	switch (UcodeSel) {
+	case SXG_UCODE_SAHARA:	// Sahara operational ucode
+		numSections = SNumSections;
+		for (i = 0; i < numSections; i++) {
+			sectionSize[i] = SSectionSize[i];
+			sectionStart[i] = SSectionStart[i];
+		}
+		break;
+	default:
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": Woah, big error with the microcode!\n");
+		break;
+	}
+
+	DBG_ERROR("sxg: RESET THE CARD\n");
+	// First, reset the card
+	WRITE_REG(HwRegs->Reset, 0xDEAD, FLUSH);
+
+	// Download each section of the microcode as specified in
+	// its download file.  The *download.c file is generated using
+	// the saharaobjtoc facility which converts the metastep .obj
+	// file to a .c file which contains a two dimentional array.
+	for (Section = 0; Section < numSections; Section++) {
+		DBG_ERROR("sxg: SECTION # %d\n", Section);
+		switch (UcodeSel) {
+		case SXG_UCODE_SAHARA:
+			Instruction = (u32 *) & SaharaUCode[Section][0];
+			break;
+		default:
+			ASSERT(0);
+			break;
+		}
+		BaseAddress = sectionStart[Section];
+		ThisSectionSize = sectionSize[Section] / 12;	// Size in instructions
+		for (AddressOffset = 0; AddressOffset < ThisSectionSize;
+		     AddressOffset++) {
+			Address = BaseAddress + AddressOffset;
+			ASSERT((Address & ~MICROCODE_ADDRESS_MASK) == 0);
+			// Write instruction bits 31 - 0
+			WRITE_REG(HwRegs->UcodeDataLow, *Instruction, FLUSH);
+			// Write instruction bits 63-32
+			WRITE_REG(HwRegs->UcodeDataMiddle, *(Instruction + 1),
+				  FLUSH);
+			// Write instruction bits 95-64
+			WRITE_REG(HwRegs->UcodeDataHigh, *(Instruction + 2),
+				  FLUSH);
+			// Write instruction address with the WRITE bit set
+			WRITE_REG(HwRegs->UcodeAddr,
+				  (Address | MICROCODE_ADDRESS_WRITE), FLUSH);
+			// Sahara bug in the ucode download logic - the write to DataLow
+			// for the next instruction could get corrupted.  To avoid this,
+			// write to DataLow again for this instruction (which may get
+			// corrupted, but it doesn't matter), then increment the address
+			// and write the data for the next instruction to DataLow.  That
+			// write should succeed.
+			WRITE_REG(HwRegs->UcodeDataLow, *Instruction, TRUE);
+			// Advance 3 u32S to start of next instruction
+			Instruction += 3;
+		}
+	}
+	// Now repeat the entire operation reading the instruction back and
+	// checking for parity errors
+	for (Section = 0; Section < numSections; Section++) {
+		DBG_ERROR("sxg: check SECTION # %d\n", Section);
+		switch (UcodeSel) {
+		case SXG_UCODE_SAHARA:
+			Instruction = (u32 *) & SaharaUCode[Section][0];
+			break;
+		default:
+			ASSERT(0);
+			break;
+		}
+		BaseAddress = sectionStart[Section];
+		ThisSectionSize = sectionSize[Section] / 12;	// Size in instructions
+		for (AddressOffset = 0; AddressOffset < ThisSectionSize;
+		     AddressOffset++) {
+			Address = BaseAddress + AddressOffset;
+			// Write the address with the READ bit set
+			WRITE_REG(HwRegs->UcodeAddr,
+				  (Address | MICROCODE_ADDRESS_READ), FLUSH);
+			// Read it back and check parity bit.
+			READ_REG(HwRegs->UcodeAddr, ValueRead);
+			if (ValueRead & MICROCODE_ADDRESS_PARITY) {
+				DBG_ERROR("sxg: %s PARITY ERROR\n",
+					  __FUNCTION__);
+
+				return (FALSE);	// Parity error
+			}
+			ASSERT((ValueRead & MICROCODE_ADDRESS_MASK) == Address);
+			// Read the instruction back and compare
+			READ_REG(HwRegs->UcodeDataLow, ValueRead);
+			if (ValueRead != *Instruction) {
+				DBG_ERROR("sxg: %s MISCOMPARE LOW\n",
+					  __FUNCTION__);
+				return (FALSE);	// Miscompare
+			}
+			READ_REG(HwRegs->UcodeDataMiddle, ValueRead);
+			if (ValueRead != *(Instruction + 1)) {
+				DBG_ERROR("sxg: %s MISCOMPARE MIDDLE\n",
+					  __FUNCTION__);
+				return (FALSE);	// Miscompare
+			}
+			READ_REG(HwRegs->UcodeDataHigh, ValueRead);
+			if (ValueRead != *(Instruction + 2)) {
+				DBG_ERROR("sxg: %s MISCOMPARE HIGH\n",
+					  __FUNCTION__);
+				return (FALSE);	// Miscompare
+			}
+			// Advance 3 u32S to start of next instruction
+			Instruction += 3;
+		}
+	}
+
+	// Everything OK, Go.
+	WRITE_REG(HwRegs->UcodeAddr, MICROCODE_ADDRESS_GO, FLUSH);
+
+	// Poll the CardUp register to wait for microcode to initialize
+	// Give up after 10,000 attemps (500ms).
+	for (i = 0; i < 10000; i++) {
+		udelay(50);
+		READ_REG(adapter->UcodeRegs[0].CardUp, ValueRead);
+		if (ValueRead == 0xCAFE) {
+			DBG_ERROR("sxg: %s BOO YA 0xCAFE\n", __FUNCTION__);
+			break;
+		}
+	}
+	if (i == 10000) {
+		DBG_ERROR("sxg: %s TIMEOUT\n", __FUNCTION__);
+
+		return (FALSE);	// Timeout
+	}
+	// Now write the LoadSync register.  This is used to
+	// synchronize with the card so it can scribble on the memory
+	// that contained 0xCAFE from the "CardUp" step above
+	if (UcodeSel == SXG_UCODE_SAHARA) {
+		WRITE_REG(adapter->UcodeRegs[0].LoadSync, 0, FLUSH);
+	}
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDnldUcd",
+		  adapter, 0, 0, 0);
+	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+
+	return (TRUE);
+}
+
+/*
+ * sxg_allocate_resources - Allocate memory and locks
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	int
+ */
+static int sxg_allocate_resources(p_adapter_t adapter)
+{
+	int status;
+	u32 i;
+	u32 RssIds, IsrCount;
+//      PSXG_XMT_RING                                   XmtRing;
+//      PSXG_RCV_RING                                   RcvRing;
+
+	DBG_ERROR("%s ENTER\n", __FUNCTION__);
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocRes",
+		  adapter, 0, 0, 0);
+
+	// Windows tells us how many CPUs it plans to use for
+	// RSS
+	RssIds = SXG_RSS_CPU_COUNT(adapter);
+	IsrCount = adapter->MsiEnabled ? RssIds : 1;
+
+	DBG_ERROR("%s Setup the spinlocks\n", __FUNCTION__);
+
+	// Allocate spinlocks and initialize listheads first.
+	spin_lock_init(&adapter->RcvQLock);
+	spin_lock_init(&adapter->SglQLock);
+	spin_lock_init(&adapter->XmtZeroLock);
+	spin_lock_init(&adapter->Bit64RegLock);
+	spin_lock_init(&adapter->AdapterLock);
+
+	DBG_ERROR("%s Setup the lists\n", __FUNCTION__);
+
+	InitializeListHead(&adapter->FreeRcvBuffers);
+	InitializeListHead(&adapter->FreeRcvBlocks);
+	InitializeListHead(&adapter->AllRcvBlocks);
+	InitializeListHead(&adapter->FreeSglBuffers);
+	InitializeListHead(&adapter->AllSglBuffers);
+
+	// Mark these basic allocations done.  This flags essentially
+	// tells the SxgFreeResources routine that it can grab spinlocks
+	// and reference listheads.
+	adapter->BasicAllocations = TRUE;
+	// Main allocation loop.  Start with the maximum supported by
+	// the microcode and back off if memory allocation
+	// fails.  If we hit a minimum, fail.
+
+	for (;;) {
+		DBG_ERROR("%s Allocate XmtRings size[%x]\n", __FUNCTION__,
+			  (sizeof(SXG_XMT_RING) * 1));
+
+		// Start with big items first - receive and transmit rings.  At the moment
+		// I'm going to keep the ring size fixed and adjust the number of
+		// TCBs if we fail.  Later we might consider reducing the ring size as well..
+		adapter->XmtRings = pci_alloc_consistent(adapter->pcidev,
+							 sizeof(SXG_XMT_RING) *
+							 1,
+							 &adapter->PXmtRings);
+		DBG_ERROR("%s XmtRings[%p]\n", __FUNCTION__, adapter->XmtRings);
+
+		if (!adapter->XmtRings) {
+			goto per_tcb_allocation_failed;
+		}
+		memset(adapter->XmtRings, 0, sizeof(SXG_XMT_RING) * 1);
+
+		DBG_ERROR("%s Allocate RcvRings size[%x]\n", __FUNCTION__,
+			  (sizeof(SXG_RCV_RING) * 1));
+		adapter->RcvRings =
+		    pci_alloc_consistent(adapter->pcidev,
+					 sizeof(SXG_RCV_RING) * 1,
+					 &adapter->PRcvRings);
+		DBG_ERROR("%s RcvRings[%p]\n", __FUNCTION__, adapter->RcvRings);
+		if (!adapter->RcvRings) {
+			goto per_tcb_allocation_failed;
+		}
+		memset(adapter->RcvRings, 0, sizeof(SXG_RCV_RING) * 1);
+		break;
+
+	      per_tcb_allocation_failed:
+		// an allocation failed.  Free any successful allocations.
+		if (adapter->XmtRings) {
+			pci_free_consistent(adapter->pcidev,
+					    sizeof(SXG_XMT_RING) * 4096,
+					    adapter->XmtRings,
+					    adapter->PXmtRings);
+			adapter->XmtRings = NULL;
+		}
+		if (adapter->RcvRings) {
+			pci_free_consistent(adapter->pcidev,
+					    sizeof(SXG_RCV_RING) * 4096,
+					    adapter->RcvRings,
+					    adapter->PRcvRings);
+			adapter->RcvRings = NULL;
+		}
+		// Loop around and try again....
+	}
+
+	DBG_ERROR("%s Initialize RCV ZERO and XMT ZERO rings\n", __FUNCTION__);
+	// Initialize rcv zero and xmt zero rings
+	SXG_INITIALIZE_RING(adapter->RcvRingZeroInfo, SXG_RCV_RING_SIZE);
+	SXG_INITIALIZE_RING(adapter->XmtRingZeroInfo, SXG_XMT_RING_SIZE);
+
+	// Sanity check receive data structure format
+	ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) ||
+	       (adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE));
+	ASSERT(sizeof(SXG_RCV_DESCRIPTOR_BLOCK) ==
+	       SXG_RCV_DESCRIPTOR_BLOCK_SIZE);
+
+	// Allocate receive data buffers.  We allocate a block of buffers and
+	// a corresponding descriptor block at once.  See sxghw.h:SXG_RCV_BLOCK
+	for (i = 0; i < SXG_INITIAL_RCV_DATA_BUFFERS;
+	     i += SXG_RCV_DESCRIPTORS_PER_BLOCK) {
+		sxg_allocate_buffer_memory(adapter,
+					   SXG_RCV_BLOCK_SIZE(adapter->
+							      ReceiveBufferSize),
+					   SXG_BUFFER_TYPE_RCV);
+	}
+	// NBL resource allocation can fail in the 'AllocateComplete' routine, which
+	// doesn't return status.  Make sure we got the number of buffers we requested
+	if (adapter->FreeRcvBufferCount < SXG_INITIAL_RCV_DATA_BUFFERS) {
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF6",
+			  adapter, adapter->FreeRcvBufferCount, SXG_MAX_ENTRIES,
+			  0);
+		return (STATUS_RESOURCES);
+	}
+
+	DBG_ERROR("%s Allocate EventRings size[%x]\n", __FUNCTION__,
+		  (sizeof(SXG_EVENT_RING) * RssIds));
+
+	// Allocate event queues.
+	adapter->EventRings = pci_alloc_consistent(adapter->pcidev,
+						   sizeof(SXG_EVENT_RING) *
+						   RssIds,
+						   &adapter->PEventRings);
+
+	if (!adapter->EventRings) {
+		// Caller will call SxgFreeAdapter to clean up above allocations
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF8",
+			  adapter, SXG_MAX_ENTRIES, 0, 0);
+		status = STATUS_RESOURCES;
+		goto per_tcb_allocation_failed;
+	}
+	memset(adapter->EventRings, 0, sizeof(SXG_EVENT_RING) * RssIds);
+
+	DBG_ERROR("%s Allocate ISR size[%x]\n", __FUNCTION__, IsrCount);
+	// Allocate ISR
+	adapter->Isr = pci_alloc_consistent(adapter->pcidev,
+					    IsrCount, &adapter->PIsr);
+	if (!adapter->Isr) {
+		// Caller will call SxgFreeAdapter to clean up above allocations
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF9",
+			  adapter, SXG_MAX_ENTRIES, 0, 0);
+		status = STATUS_RESOURCES;
+		goto per_tcb_allocation_failed;
+	}
+	memset(adapter->Isr, 0, sizeof(u32) * IsrCount);
+
+	DBG_ERROR("%s Allocate shared XMT ring zero index location size[%x]\n",
+		  __FUNCTION__, sizeof(u32));
+
+	// Allocate shared XMT ring zero index location
+	adapter->XmtRingZeroIndex = pci_alloc_consistent(adapter->pcidev,
+							 sizeof(u32),
+							 &adapter->
+							 PXmtRingZeroIndex);
+	if (!adapter->XmtRingZeroIndex) {
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF10",
+			  adapter, SXG_MAX_ENTRIES, 0, 0);
+		status = STATUS_RESOURCES;
+		goto per_tcb_allocation_failed;
+	}
+	memset(adapter->XmtRingZeroIndex, 0, sizeof(u32));
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlcResS",
+		  adapter, SXG_MAX_ENTRIES, 0, 0);
+
+	DBG_ERROR("%s EXIT\n", __FUNCTION__);
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * sxg_config_pci -
+ *
+ * Set up PCI Configuration space
+ *
+ * Arguments -
+ *		pcidev			- A pointer to our adapter structure
+ *
+ */
+static void sxg_config_pci(struct pci_dev *pcidev)
+{
+	u16 pci_command;
+	u16 new_command;
+
+	pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
+	DBG_ERROR("sxg: %s  PCI command[%4.4x]\n", __FUNCTION__, pci_command);
+	// Set the command register
+	new_command = pci_command | (PCI_COMMAND_MEMORY |	// Memory Space Enable
+				     PCI_COMMAND_MASTER |	// Bus master enable
+				     PCI_COMMAND_INVALIDATE |	// Memory write and invalidate
+				     PCI_COMMAND_PARITY |	// Parity error response
+				     PCI_COMMAND_SERR |		// System ERR
+				     PCI_COMMAND_FAST_BACK);	// Fast back-to-back
+	if (pci_command != new_command) {
+		DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n",
+			  __FUNCTION__, pci_command, new_command);
+		pci_write_config_word(pcidev, PCI_COMMAND, new_command);
+	}
+}
+
+static int sxg_entry_probe(struct pci_dev *pcidev,
+			   const struct pci_device_id *pci_tbl_entry)
+{
+	static int did_version = 0;
+	int err;
+	struct net_device *netdev;
+	p_adapter_t adapter;
+	void __iomem *memmapped_ioaddr;
+	u32 status = 0;
+	ulong mmio_start = 0;
+	ulong mmio_len = 0;
+
+	DBG_ERROR("sxg: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n",
+		  __FUNCTION__, jiffies, smp_processor_id());
+
+	// Initialize trace buffer
+#ifdef ATKDBG
+	SxgTraceBuffer = &LSxgTraceBuffer;
+	SXG_TRACE_INIT(SxgTraceBuffer, TRACE_NOISY);
+#endif
+
+	sxg_global.dynamic_intagg = dynamic_intagg;
+
+	err = pci_enable_device(pcidev);
+
+	DBG_ERROR("Call pci_enable_device(%p)  status[%x]\n", pcidev, err);
+	if (err) {
+		return err;
+	}
+
+	if (sxg_debug > 0 && did_version++ == 0) {
+		printk(KERN_INFO "%s\n", sxg_banner);
+		printk(KERN_INFO "%s\n", DRV_VERSION);
+	}
+
+	if (!(err = pci_set_dma_mask(pcidev, DMA_64BIT_MASK))) {
+		DBG_ERROR("pci_set_dma_mask(DMA_64BIT_MASK) successful\n");
+	} else {
+		if ((err = pci_set_dma_mask(pcidev, DMA_32BIT_MASK))) {
+			DBG_ERROR
+			    ("No usable DMA configuration, aborting  err[%x]\n",
+			     err);
+			return err;
+		}
+		DBG_ERROR("pci_set_dma_mask(DMA_32BIT_MASK) successful\n");
+	}
+
+	DBG_ERROR("Call pci_request_regions\n");
+
+	err = pci_request_regions(pcidev, DRV_NAME);
+	if (err) {
+		DBG_ERROR("pci_request_regions FAILED err[%x]\n", err);
+		return err;
+	}
+
+	DBG_ERROR("call pci_set_master\n");
+	pci_set_master(pcidev);
+
+	DBG_ERROR("call alloc_etherdev\n");
+	netdev = alloc_etherdev(sizeof(adapter_t));
+	if (!netdev) {
+		err = -ENOMEM;
+		goto err_out_exit_sxg_probe;
+	}
+	DBG_ERROR("alloc_etherdev for slic netdev[%p]\n", netdev);
+
+	SET_NETDEV_DEV(netdev, &pcidev->dev);
+
+	pci_set_drvdata(pcidev, netdev);
+	adapter = netdev_priv(netdev);
+	adapter->netdev = netdev;
+	adapter->pcidev = pcidev;
+
+	mmio_start = pci_resource_start(pcidev, 0);
+	mmio_len = pci_resource_len(pcidev, 0);
+
+	DBG_ERROR("sxg: call ioremap(mmio_start[%lx], mmio_len[%lx])\n",
+		  mmio_start, mmio_len);
+
+	memmapped_ioaddr = ioremap(mmio_start, mmio_len);
+	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __FUNCTION__, memmapped_ioaddr);
+	if (!memmapped_ioaddr) {
+		DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
+			  __FUNCTION__, mmio_len, mmio_start);
+		goto err_out_free_mmio_region;
+	}
+
+	DBG_ERROR("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] len[%lx], IRQ %d.\n",
+	     __func__, memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq);
+
+	adapter->HwRegs = (void *) memmapped_ioaddr;
+	adapter->base_addr = memmapped_ioaddr;
+
+	mmio_start = pci_resource_start(pcidev, 2);
+	mmio_len = pci_resource_len(pcidev, 2);
+
+	DBG_ERROR("sxg: call ioremap(mmio_start[%lx], mmio_len[%lx])\n",
+		  mmio_start, mmio_len);
+
+	memmapped_ioaddr = ioremap(mmio_start, mmio_len);
+	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __func__, memmapped_ioaddr);
+	if (!memmapped_ioaddr) {
+		DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
+			  __FUNCTION__, mmio_len, mmio_start);
+		goto err_out_free_mmio_region;
+	}
+
+	DBG_ERROR("sxg: %s found Alacritech SXG PCI, MMIO at %p, "
+		  "start[%lx] len[%lx], IRQ %d.\n", __func__,
+		  memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq);
+
+	adapter->UcodeRegs = (void *)memmapped_ioaddr;
+
+	adapter->State = SXG_STATE_INITIALIZING;
+	// Maintain a list of all adapters anchored by
+	// the global SxgDriver structure.
+	adapter->Next = SxgDriver.Adapters;
+	SxgDriver.Adapters = adapter;
+	adapter->AdapterID = ++SxgDriver.AdapterID;
+
+	// Initialize CRC table used to determine multicast hash
+	sxg_mcast_init_crc32();
+
+	adapter->JumboEnabled = FALSE;
+	adapter->RssEnabled = FALSE;
+	if (adapter->JumboEnabled) {
+		adapter->FrameSize = JUMBOMAXFRAME;
+		adapter->ReceiveBufferSize = SXG_RCV_JUMBO_BUFFER_SIZE;
+	} else {
+		adapter->FrameSize = ETHERMAXFRAME;
+		adapter->ReceiveBufferSize = SXG_RCV_DATA_BUFFER_SIZE;
+	}
+
+//    status = SXG_READ_EEPROM(adapter);
+//    if (!status) {
+//        goto sxg_init_bad;
+//    }
+
+	DBG_ERROR("sxg: %s ENTER sxg_config_pci\n", __FUNCTION__);
+	sxg_config_pci(pcidev);
+	DBG_ERROR("sxg: %s EXIT sxg_config_pci\n", __FUNCTION__);
+
+	DBG_ERROR("sxg: %s ENTER sxg_init_driver\n", __FUNCTION__);
+	sxg_init_driver();
+	DBG_ERROR("sxg: %s EXIT sxg_init_driver\n", __FUNCTION__);
+
+	adapter->vendid = pci_tbl_entry->vendor;
+	adapter->devid = pci_tbl_entry->device;
+	adapter->subsysid = pci_tbl_entry->subdevice;
+	adapter->busnumber = pcidev->bus->number;
+	adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
+	adapter->functionnumber = (pcidev->devfn & 0x7);
+	adapter->memorylength = pci_resource_len(pcidev, 0);
+	adapter->irq = pcidev->irq;
+	adapter->next_netdevice = head_netdevice;
+	head_netdevice = netdev;
+//      adapter->chipid = chip_idx;
+	adapter->port = 0;	//adapter->functionnumber;
+	adapter->cardindex = adapter->port;
+
+	// Allocate memory and other resources
+	DBG_ERROR("sxg: %s ENTER sxg_allocate_resources\n", __FUNCTION__);
+	status = sxg_allocate_resources(adapter);
+	DBG_ERROR("sxg: %s EXIT sxg_allocate_resources status %x\n",
+		  __FUNCTION__, status);
+	if (status != STATUS_SUCCESS) {
+		goto err_out_unmap;
+	}
+
+	DBG_ERROR("sxg: %s ENTER sxg_download_microcode\n", __FUNCTION__);
+	if (sxg_download_microcode(adapter, SXG_UCODE_SAHARA)) {
+		DBG_ERROR("sxg: %s ENTER sxg_adapter_set_hwaddr\n",
+			  __FUNCTION__);
+		sxg_adapter_set_hwaddr(adapter);
+	} else {
+		adapter->state = ADAPT_FAIL;
+		adapter->linkstate = LINK_DOWN;
+		DBG_ERROR("sxg_download_microcode FAILED status[%x]\n", status);
+	}
+
+	netdev->base_addr = (unsigned long)adapter->base_addr;
+	netdev->irq = adapter->irq;
+	netdev->open = sxg_entry_open;
+	netdev->stop = sxg_entry_halt;
+	netdev->hard_start_xmit = sxg_send_packets;
+	netdev->do_ioctl = sxg_ioctl;
+#if XXXTODO
+	netdev->set_mac_address = sxg_mac_set_address;
+#if SLIC_GET_STATS_ENABLED
+	netdev->get_stats = sxg_get_stats;
+#endif
+	netdev->set_multicast_list = sxg_mcast_set_list;
+#endif
+
+	strcpy(netdev->name, "eth%d");
+//  strcpy(netdev->name, pci_name(pcidev));
+	if ((err = register_netdev(netdev))) {
+		DBG_ERROR("Cannot register net device, aborting. %s\n",
+			  netdev->name);
+		goto err_out_unmap;
+	}
+
+	DBG_ERROR
+	    ("sxg: %s addr 0x%lx, irq %d, MAC addr %02X:%02X:%02X:%02X:%02X:%02X\n",
+	     netdev->name, netdev->base_addr, pcidev->irq, netdev->dev_addr[0],
+	     netdev->dev_addr[1], netdev->dev_addr[2], netdev->dev_addr[3],
+	     netdev->dev_addr[4], netdev->dev_addr[5]);
+
+//sxg_init_bad:
+	ASSERT(status == FALSE);
+//      sxg_free_adapter(adapter);
+
+	DBG_ERROR("sxg: %s EXIT status[%x] jiffies[%lx] cpu %d\n", __FUNCTION__,
+		  status, jiffies, smp_processor_id());
+	return status;
+
+      err_out_unmap:
+	iounmap((void *)memmapped_ioaddr);
+
+      err_out_free_mmio_region:
+	release_mem_region(mmio_start, mmio_len);
+
+      err_out_exit_sxg_probe:
+
+	DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __FUNCTION__, jiffies,
+		  smp_processor_id());
+
+	return -ENODEV;
+}
+
+
+/***********************************************************************
+ * LINE BASE Interrupt routines..
+ ***********************************************************************/
+/*
+ *
+ * sxg_disable_interrupt
+ *
+ * DisableInterrupt Handler
+ *
+ * Arguments:
+ *
+ *   adapter:	Our adapter structure
+ *
+ * Return Value:
+ * 	None.
+ */
+static void sxg_disable_interrupt(p_adapter_t adapter)
+{
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DisIntr",
+		  adapter, adapter->InterruptsEnabled, 0, 0);
+	// For now, RSS is disabled with line based interrupts
+	ASSERT(adapter->RssEnabled == FALSE);
+	ASSERT(adapter->MsiEnabled == FALSE);
+	//
+	// Turn off interrupts by writing to the icr register.
+	//
+	WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_DISABLE), TRUE);
+
+	adapter->InterruptsEnabled = 0;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDisIntr",
+		  adapter, adapter->InterruptsEnabled, 0, 0);
+}
+
+/*
+ *
+ * sxg_enable_interrupt
+ *
+ * EnableInterrupt Handler
+ *
+ * Arguments:
+ *
+ *   adapter:	Our adapter structure
+ *
+ * Return Value:
+ * 	None.
+ */
+static void sxg_enable_interrupt(p_adapter_t adapter)
+{
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "EnIntr",
+		  adapter, adapter->InterruptsEnabled, 0, 0);
+	// For now, RSS is disabled with line based interrupts
+	ASSERT(adapter->RssEnabled == FALSE);
+	ASSERT(adapter->MsiEnabled == FALSE);
+	//
+	// Turn on interrupts by writing to the icr register.
+	//
+	WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_ENABLE), TRUE);
+
+	adapter->InterruptsEnabled = 1;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XEnIntr",
+		  adapter, 0, 0, 0);
+}
+
+/*
+ *
+ * sxg_isr - Process an line-based interrupt
+ *
+ * Arguments:
+ * 		Context			- Our adapter structure
+ *		QueueDefault 	- Output parameter to queue to default CPU
+ *		TargetCpus		- Output bitmap to schedule DPC's
+ *
+ * Return Value:
+ * 	TRUE if our interrupt
+ */
+static irqreturn_t sxg_isr(int irq, void *dev_id)
+{
+	p_net_device dev = (p_net_device) dev_id;
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+//      u32                 CpuMask = 0, i;
+
+	adapter->Stats.NumInts++;
+	if (adapter->Isr[0] == 0) {
+		// The SLIC driver used to experience a number of spurious interrupts
+		// due to the delay associated with the masking of the interrupt
+		// (we'd bounce back in here).  If we see that again with Sahara,
+		// add a READ_REG of the Icr register after the WRITE_REG below.
+		adapter->Stats.FalseInts++;
+		return IRQ_NONE;
+	}
+	//
+	// Move the Isr contents and clear the value in
+	// shared memory, and mask interrupts
+	//
+	adapter->IsrCopy[0] = adapter->Isr[0];
+	adapter->Isr[0] = 0;
+	WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_MASK), TRUE);
+//      ASSERT(adapter->IsrDpcsPending == 0);
+#if XXXTODO			// RSS Stuff
+	// If RSS is enabled and the ISR specifies
+	// SXG_ISR_EVENT, then schedule DPC's
+	// based on event queues.
+	if (adapter->RssEnabled && (adapter->IsrCopy[0] & SXG_ISR_EVENT)) {
+		for (i = 0;
+		     i < adapter->RssSystemInfo->ProcessorInfo.RssCpuCount;
+		     i++) {
+			PSXG_EVENT_RING EventRing = &adapter->EventRings[i];
+			PSXG_EVENT Event =
+			    &EventRing->Ring[adapter->NextEvent[i]];
+			unsigned char Cpu = adapter->RssSystemInfo->RssIdToCpu[i];
+			if (Event->Status & EVENT_STATUS_VALID) {
+				adapter->IsrDpcsPending++;
+				CpuMask |= (1 << Cpu);
+			}
+		}
+	}
+	// Now, either schedule the CPUs specified by the CpuMask,
+	// or queue default
+	if (CpuMask) {
+		*QueueDefault = FALSE;
+	} else {
+		adapter->IsrDpcsPending = 1;
+		*QueueDefault = TRUE;
+	}
+	*TargetCpus = CpuMask;
+#endif
+	//
+	//  There are no DPCs in Linux, so call the handler now
+	//
+	sxg_handle_interrupt(adapter);
+
+	return IRQ_HANDLED;
+}
+
+static void sxg_handle_interrupt(p_adapter_t adapter)
+{
+//    unsigned char           RssId   = 0;
+	u32 NewIsr;
+
+	if (adapter->Stats.RcvNoBuffer < 5) {
+		DBG_ERROR("Enter sxg_handle_interrupt ISR[%x]\n",
+			  adapter->IsrCopy[0]);
+	}
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "HndlIntr",
+		  adapter, adapter->IsrCopy[0], 0, 0);
+	// For now, RSS is disabled with line based interrupts
+	ASSERT(adapter->RssEnabled == FALSE);
+	ASSERT(adapter->MsiEnabled == FALSE);
+	ASSERT(adapter->IsrCopy[0]);
+/////////////////////////////
+
+	// Always process the event queue.
+	sxg_process_event_queue(adapter,
+				(adapter->RssEnabled ? /*RssId */ 0 : 0));
+
+#if XXXTODO			// RSS stuff
+	if (--adapter->IsrDpcsPending) {
+		// We're done.
+		ASSERT(adapter->RssEnabled);
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DPCsPend",
+			  adapter, 0, 0, 0);
+		return;
+	}
+#endif
+	//
+	// Last (or only) DPC processes the ISR and clears the interrupt.
+	//
+	NewIsr = sxg_process_isr(adapter, 0);
+	//
+	// Reenable interrupts
+	//
+	adapter->IsrCopy[0] = 0;
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ClearIsr",
+		  adapter, NewIsr, 0, 0);
+
+	if (adapter->Stats.RcvNoBuffer < 5) {
+		DBG_ERROR
+		    ("Exit sxg_handle_interrupt2 after enabling interrupt\n");
+	}
+
+	WRITE_REG(adapter->UcodeRegs[0].Isr, NewIsr, TRUE);
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XHndlInt",
+		  adapter, 0, 0, 0);
+}
+
+/*
+ *
+ * sxg_process_isr - Process an interrupt.  Called from the line-based and
+ *			message based interrupt DPC routines
+ *
+ * Arguments:
+ * 		adapter			- Our adapter structure
+ *		Queue			- The ISR that needs processing
+ *
+ * Return Value:
+ * 	None
+ */
+static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
+{
+	u32 Isr = adapter->IsrCopy[MessageId];
+	u32 NewIsr = 0;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ProcIsr",
+		  adapter, Isr, 0, 0);
+
+	// Error
+	if (Isr & SXG_ISR_ERR) {
+		if (Isr & SXG_ISR_PDQF) {
+			adapter->Stats.PdqFull++;
+			DBG_ERROR("%s: SXG_ISR_ERR  PDQF!!\n", __FUNCTION__);
+		}
+		// No host buffer
+		if (Isr & SXG_ISR_RMISS) {
+			// There is a bunch of code in the SLIC driver which
+			// attempts to process more receive events per DPC
+			// if we start to fall behind.  We'll probably
+			// need to do something similar here, but hold
+			// off for now.  I don't want to make the code more
+			// complicated than strictly needed.
+			adapter->Stats.RcvNoBuffer++;
+			if (adapter->Stats.RcvNoBuffer < 5) {
+				DBG_ERROR("%s: SXG_ISR_ERR  RMISS!!\n",
+					  __FUNCTION__);
+			}
+		}
+		// Card crash
+		if (Isr & SXG_ISR_DEAD) {
+			// Set aside the crash info and set the adapter state to RESET
+			adapter->CrashCpu =
+			    (unsigned char) ((Isr & SXG_ISR_CPU) >> SXG_ISR_CPU_SHIFT);
+			adapter->CrashLocation = (ushort) (Isr & SXG_ISR_CRASH);
+			adapter->Dead = TRUE;
+			DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __FUNCTION__,
+				  adapter->CrashLocation, adapter->CrashCpu);
+		}
+		// Event ring full
+		if (Isr & SXG_ISR_ERFULL) {
+			// Same issue as RMISS, really.  This means the
+			// host is falling behind the card.  Need to increase
+			// event ring size, process more events per interrupt,
+			// and/or reduce/remove interrupt aggregation.
+			adapter->Stats.EventRingFull++;
+			DBG_ERROR("%s: SXG_ISR_ERR  EVENT RING FULL!!\n",
+				  __FUNCTION__);
+		}
+		// Transmit drop - no DRAM buffers or XMT error
+		if (Isr & SXG_ISR_XDROP) {
+			adapter->Stats.XmtDrops++;
+			adapter->Stats.XmtErrors++;
+			DBG_ERROR("%s: SXG_ISR_ERR  XDROP!!\n", __FUNCTION__);
+		}
+	}
+	// Slowpath send completions
+	if (Isr & SXG_ISR_SPSEND) {
+		sxg_complete_slow_send(adapter);
+	}
+	// Dump
+	if (Isr & SXG_ISR_UPC) {
+		ASSERT(adapter->DumpCmdRunning);	// Maybe change when debug is added..
+		adapter->DumpCmdRunning = FALSE;
+	}
+	// Link event
+	if (Isr & SXG_ISR_LINK) {
+		sxg_link_event(adapter);
+	}
+	// Debug - breakpoint hit
+	if (Isr & SXG_ISR_BREAK) {
+		// At the moment AGDB isn't written to support interactive
+		// debug sessions.  When it is, this interrupt will be used
+		// to signal AGDB that it has hit a breakpoint.  For now, ASSERT.
+		ASSERT(0);
+	}
+	// Heartbeat response
+	if (Isr & SXG_ISR_PING) {
+		adapter->PingOutstanding = FALSE;
+	}
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XProcIsr",
+		  adapter, Isr, NewIsr, 0);
+
+	return (NewIsr);
+}
+
+/*
+ *
+ * sxg_process_event_queue - Process our event queue
+ *
+ * Arguments:
+ * 		- adapter	- Adapter structure
+ *		- RssId		- The event queue requiring processing
+ *
+ * Return Value:
+ * 	None.
+ */
+static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId)
+{
+	PSXG_EVENT_RING EventRing = &adapter->EventRings[RssId];
+	PSXG_EVENT Event = &EventRing->Ring[adapter->NextEvent[RssId]];
+	u32 EventsProcessed = 0, Batches = 0;
+	u32 num_skbs = 0;
+	struct sk_buff *skb;
+#ifdef LINUX_HANDLES_RCV_INDICATION_LISTS
+	struct sk_buff *prev_skb = NULL;
+	struct sk_buff *IndicationList[SXG_RCV_ARRAYSIZE];
+	u32 Index;
+	PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr;
+#endif
+	u32 ReturnStatus = 0;
+
+	ASSERT((adapter->State == SXG_STATE_RUNNING) ||
+	       (adapter->State == SXG_STATE_PAUSING) ||
+	       (adapter->State == SXG_STATE_PAUSED) ||
+	       (adapter->State == SXG_STATE_HALTING));
+	// We may still have unprocessed events on the queue if
+	// the card crashed.  Don't process them.
+	if (adapter->Dead) {
+		return (0);
+	}
+	// In theory there should only be a single processor that
+	// accesses this queue, and only at interrupt-DPC time.  So
+	// we shouldn't need a lock for any of this.
+	while (Event->Status & EVENT_STATUS_VALID) {
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "Event",
+			  Event, Event->Code, Event->Status,
+			  adapter->NextEvent);
+		switch (Event->Code) {
+		case EVENT_CODE_BUFFERS:
+			ASSERT(!(Event->CommandIndex & 0xFF00));	// SXG_RING_INFO Head & Tail == unsigned char
+			//
+			sxg_complete_descriptor_blocks(adapter,
+						       Event->CommandIndex);
+			//
+			break;
+		case EVENT_CODE_SLOWRCV:
+			--adapter->RcvBuffersOnCard;
+			if ((skb = sxg_slow_receive(adapter, Event))) {
+				u32 rx_bytes;
+#ifdef LINUX_HANDLES_RCV_INDICATION_LISTS
+				// Add it to our indication list
+				SXG_ADD_RCV_PACKET(adapter, skb, prev_skb,
+						   IndicationList, num_skbs);
+				//  In Linux, we just pass up each skb to the protocol above at this point,
+				//  there is no capability of an indication list.
+#else
+// CHECK            skb_pull(skb, INIC_RCVBUF_HEADSIZE);
+				rx_bytes = Event->Length;	// (rcvbuf->length & IRHDDR_FLEN_MSK);
+				skb_put(skb, rx_bytes);
+				adapter->stats.rx_packets++;
+				adapter->stats.rx_bytes += rx_bytes;
+#if SXG_OFFLOAD_IP_CHECKSUM
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+#endif
+				skb->dev = adapter->netdev;
+				skb->protocol = eth_type_trans(skb, skb->dev);
+				netif_rx(skb);
+#endif
+			}
+			break;
+		default:
+			DBG_ERROR("%s: ERROR  Invalid EventCode %d\n",
+				  __FUNCTION__, Event->Code);
+//                      ASSERT(0);
+		}
+		// See if we need to restock card receive buffers.
+		// There are two things to note here:
+		//      First - This test is not SMP safe.  The
+		//              adapter->BuffersOnCard field is protected via atomic interlocked calls, but
+		//              we do not protect it with respect to these tests.  The only way to do that
+		//      is with a lock, and I don't want to grab a lock every time we adjust the
+		//      BuffersOnCard count.  Instead, we allow the buffer replenishment to be off
+		//      once in a while.  The worst that can happen is the card is given one
+		//      more-or-less descriptor block than the arbitrary value we've chosen.
+		//      No big deal
+		//      In short DO NOT ADD A LOCK HERE, OR WHERE RcvBuffersOnCard is adjusted.
+		//      Second - We expect this test to rarely evaluate to true.  We attempt to
+		//      refill descriptor blocks as they are returned to us
+		//      (sxg_complete_descriptor_blocks), so The only time this should evaluate
+		//      to true is when sxg_complete_descriptor_blocks failed to allocate
+		//              receive buffers.
+		if (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) {
+			sxg_stock_rcv_buffers(adapter);
+		}
+		// It's more efficient to just set this to zero.
+		// But clearing the top bit saves potential debug info...
+		Event->Status &= ~EVENT_STATUS_VALID;
+		// Advanct to the next event
+		SXG_ADVANCE_INDEX(adapter->NextEvent[RssId], EVENT_RING_SIZE);
+		Event = &EventRing->Ring[adapter->NextEvent[RssId]];
+		EventsProcessed++;
+		if (EventsProcessed == EVENT_RING_BATCH) {
+			// Release a batch of events back to the card
+			WRITE_REG(adapter->UcodeRegs[RssId].EventRelease,
+				  EVENT_RING_BATCH, FALSE);
+			EventsProcessed = 0;
+			// If we've processed our batch limit, break out of the
+			// loop and return SXG_ISR_EVENT to arrange for us to
+			// be called again
+			if (Batches++ == EVENT_BATCH_LIMIT) {
+				SXG_TRACE(TRACE_SXG, SxgTraceBuffer,
+					  TRACE_NOISY, "EvtLimit", Batches,
+					  adapter->NextEvent, 0, 0);
+				ReturnStatus = SXG_ISR_EVENT;
+				break;
+			}
+		}
+	}
+#ifdef LINUX_HANDLES_RCV_INDICATION_LISTS
+	//
+	// Indicate any received dumb-nic frames
+	//
+	SXG_INDICATE_PACKETS(adapter, IndicationList, num_skbs);
+#endif
+	//
+	// Release events back to the card.
+	//
+	if (EventsProcessed) {
+		WRITE_REG(adapter->UcodeRegs[RssId].EventRelease,
+			  EventsProcessed, FALSE);
+	}
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XPrcEvnt",
+		  Batches, EventsProcessed, adapter->NextEvent, num_skbs);
+
+	return (ReturnStatus);
+}
+
+/*
+ * sxg_complete_slow_send - Complete slowpath or dumb-nic sends
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+
+ * Return
+ *	None
+ */
+static void sxg_complete_slow_send(p_adapter_t adapter)
+{
+	PSXG_XMT_RING XmtRing = &adapter->XmtRings[0];
+	PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo;
+	u32 * ContextType;
+	PSXG_CMD XmtCmd;
+
+	// NOTE - This lock is dropped and regrabbed in this loop.
+	// This means two different processors can both be running
+	// through this loop. Be *very* careful.
+	spin_lock(&adapter->XmtZeroLock);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnds",
+		  adapter, XmtRingInfo->Head, XmtRingInfo->Tail, 0);
+
+	while (XmtRingInfo->Tail != *adapter->XmtRingZeroIndex) {
+		// Locate the current Cmd (ring descriptor entry), and
+		// associated SGL, and advance the tail
+		SXG_RETURN_CMD(XmtRing, XmtRingInfo, XmtCmd, ContextType);
+		ASSERT(ContextType);
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnd",
+			  XmtRingInfo->Head, XmtRingInfo->Tail, XmtCmd, 0);
+		// Clear the SGL field.
+		XmtCmd->Sgl = 0;
+
+		switch (*ContextType) {
+		case SXG_SGL_DUMB:
+			{
+				struct sk_buff *skb;
+				// Dumb-nic send.  Command context is the dumb-nic SGL
+				skb = (struct sk_buff *)ContextType;
+				// Complete the send
+				SXG_TRACE(TRACE_SXG, SxgTraceBuffer,
+					  TRACE_IMPORTANT, "DmSndCmp", skb, 0,
+					  0, 0);
+				ASSERT(adapter->Stats.XmtQLen);
+				adapter->Stats.XmtQLen--;	// within XmtZeroLock
+				adapter->Stats.XmtOk++;
+				// Now drop the lock and complete the send back to
+				// Microsoft.  We need to drop the lock because
+				// Microsoft can come back with a chimney send, which
+				// results in a double trip in SxgTcpOuput
+				spin_unlock(&adapter->XmtZeroLock);
+				SXG_COMPLETE_DUMB_SEND(adapter, skb);
+				// and reacquire..
+				spin_lock(&adapter->XmtZeroLock);
+			}
+			break;
+		default:
+			ASSERT(0);
+		}
+	}
+	spin_unlock(&adapter->XmtZeroLock);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnd",
+		  adapter, XmtRingInfo->Head, XmtRingInfo->Tail, 0);
+}
+
+/*
+ * sxg_slow_receive
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *	Event		- Receive event
+ *
+ * Return
+ *	 skb
+ */
+static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
+{
+	PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr;
+	struct sk_buff *Packet;
+
+	RcvDataBufferHdr = (PSXG_RCV_DATA_BUFFER_HDR) Event->HostHandle;
+	ASSERT(RcvDataBufferHdr);
+	ASSERT(RcvDataBufferHdr->State == SXG_BUFFER_ONCARD);
+	ASSERT(SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr) ==
+	       RcvDataBufferHdr->VirtualAddress);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "SlowRcv", Event,
+		  RcvDataBufferHdr, RcvDataBufferHdr->State,
+		  RcvDataBufferHdr->VirtualAddress);
+	// Drop rcv frames in non-running state
+	switch (adapter->State) {
+	case SXG_STATE_RUNNING:
+		break;
+	case SXG_STATE_PAUSING:
+	case SXG_STATE_PAUSED:
+	case SXG_STATE_HALTING:
+		goto drop;
+	default:
+		ASSERT(0);
+		goto drop;
+	}
+
+	// Change buffer state to UPSTREAM
+	RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM;
+	if (Event->Status & EVENT_STATUS_RCVERR) {
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvError",
+			  Event, Event->Status, Event->HostHandle, 0);
+		// XXXTODO - Remove this print later
+		DBG_ERROR("SXG: Receive error %x\n",
+			  *(u32 *)
+			  SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr));
+		sxg_process_rcv_error(adapter,
+				      *(u32 *)
+				      SXG_RECEIVE_DATA_LOCATION
+				      (RcvDataBufferHdr));
+		goto drop;
+	}
+#if XXXTODO			// VLAN stuff
+	// If there's a VLAN tag, extract it and validate it
+	if (((p_ether_header) (SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)))->
+	    EtherType == ETHERTYPE_VLAN) {
+		if (SxgExtractVlanHeader(adapter, RcvDataBufferHdr, Event) !=
+		    STATUS_SUCCESS) {
+			SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY,
+				  "BadVlan", Event,
+				  SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr),
+				  Event->Length, 0);
+			goto drop;
+		}
+	}
+#endif
+	//
+	// Dumb-nic frame.  See if it passes our mac filter and update stats
+	//
+	if (!sxg_mac_filter(adapter,
+			    (p_ether_header)
+			    SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr),
+			    Event->Length)) {
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvFiltr",
+			  Event, SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr),
+			  Event->Length, 0);
+		goto drop;
+	}
+
+	Packet = RcvDataBufferHdr->SxgDumbRcvPacket;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumbRcv",
+		  RcvDataBufferHdr, Packet, Event->Length, 0);
+	//
+	// Lastly adjust the receive packet length.
+	//
+	SXG_ADJUST_RCV_PACKET(Packet, RcvDataBufferHdr, Event);
+
+	return (Packet);
+
+      drop:
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DropRcv",
+		  RcvDataBufferHdr, Event->Length, 0, 0);
+	adapter->Stats.RcvDiscards++;
+	spin_lock(&adapter->RcvQLock);
+	SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr);
+	spin_unlock(&adapter->RcvQLock);
+	return (NULL);
+}
+
+/*
+ * sxg_process_rcv_error - process receive error and update
+ * stats
+ *
+ * Arguments:
+ *		adapter		- Adapter structure
+ *		ErrorStatus	- 4-byte receive error status
+ *
+ * Return Value:
+ * 	None
+ */
+static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus)
+{
+	u32 Error;
+
+	adapter->Stats.RcvErrors++;
+
+	if (ErrorStatus & SXG_RCV_STATUS_TRANSPORT_ERROR) {
+		Error = ErrorStatus & SXG_RCV_STATUS_TRANSPORT_MASK;
+		switch (Error) {
+		case SXG_RCV_STATUS_TRANSPORT_CSUM:
+			adapter->Stats.TransportCsum++;
+			break;
+		case SXG_RCV_STATUS_TRANSPORT_UFLOW:
+			adapter->Stats.TransportUflow++;
+			break;
+		case SXG_RCV_STATUS_TRANSPORT_HDRLEN:
+			adapter->Stats.TransportHdrLen++;
+			break;
+		}
+	}
+	if (ErrorStatus & SXG_RCV_STATUS_NETWORK_ERROR) {
+		Error = ErrorStatus & SXG_RCV_STATUS_NETWORK_MASK;
+		switch (Error) {
+		case SXG_RCV_STATUS_NETWORK_CSUM:
+			adapter->Stats.NetworkCsum++;
+			break;
+		case SXG_RCV_STATUS_NETWORK_UFLOW:
+			adapter->Stats.NetworkUflow++;
+			break;
+		case SXG_RCV_STATUS_NETWORK_HDRLEN:
+			adapter->Stats.NetworkHdrLen++;
+			break;
+		}
+	}
+	if (ErrorStatus & SXG_RCV_STATUS_PARITY) {
+		adapter->Stats.Parity++;
+	}
+	if (ErrorStatus & SXG_RCV_STATUS_LINK_ERROR) {
+		Error = ErrorStatus & SXG_RCV_STATUS_LINK_MASK;
+		switch (Error) {
+		case SXG_RCV_STATUS_LINK_PARITY:
+			adapter->Stats.LinkParity++;
+			break;
+		case SXG_RCV_STATUS_LINK_EARLY:
+			adapter->Stats.LinkEarly++;
+			break;
+		case SXG_RCV_STATUS_LINK_BUFOFLOW:
+			adapter->Stats.LinkBufOflow++;
+			break;
+		case SXG_RCV_STATUS_LINK_CODE:
+			adapter->Stats.LinkCode++;
+			break;
+		case SXG_RCV_STATUS_LINK_DRIBBLE:
+			adapter->Stats.LinkDribble++;
+			break;
+		case SXG_RCV_STATUS_LINK_CRC:
+			adapter->Stats.LinkCrc++;
+			break;
+		case SXG_RCV_STATUS_LINK_OFLOW:
+			adapter->Stats.LinkOflow++;
+			break;
+		case SXG_RCV_STATUS_LINK_UFLOW:
+			adapter->Stats.LinkUflow++;
+			break;
+		}
+	}
+}
+
+/*
+ * sxg_mac_filter
+ *
+ * Arguments:
+ *		adapter		- Adapter structure
+ *		pether		- Ethernet header
+ *		length		- Frame length
+ *
+ * Return Value:
+ * 	TRUE if the frame is to be allowed
+ */
+static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, ushort length)
+{
+	bool EqualAddr;
+
+	if (SXG_MULTICAST_PACKET(EtherHdr)) {
+		if (SXG_BROADCAST_PACKET(EtherHdr)) {
+			// broadcast
+			if (adapter->MacFilter & MAC_BCAST) {
+				adapter->Stats.DumbRcvBcastPkts++;
+				adapter->Stats.DumbRcvBcastBytes += length;
+				adapter->Stats.DumbRcvPkts++;
+				adapter->Stats.DumbRcvBytes += length;
+				return (TRUE);
+			}
+		} else {
+			// multicast
+			if (adapter->MacFilter & MAC_ALLMCAST) {
+				adapter->Stats.DumbRcvMcastPkts++;
+				adapter->Stats.DumbRcvMcastBytes += length;
+				adapter->Stats.DumbRcvPkts++;
+				adapter->Stats.DumbRcvBytes += length;
+				return (TRUE);
+			}
+			if (adapter->MacFilter & MAC_MCAST) {
+				PSXG_MULTICAST_ADDRESS MulticastAddrs =
+				    adapter->MulticastAddrs;
+				while (MulticastAddrs) {
+					ETHER_EQ_ADDR(MulticastAddrs->Address,
+						      EtherHdr->ether_dhost,
+						      EqualAddr);
+					if (EqualAddr) {
+						adapter->Stats.
+						    DumbRcvMcastPkts++;
+						adapter->Stats.
+						    DumbRcvMcastBytes += length;
+						adapter->Stats.DumbRcvPkts++;
+						adapter->Stats.DumbRcvBytes +=
+						    length;
+						return (TRUE);
+					}
+					MulticastAddrs = MulticastAddrs->Next;
+				}
+			}
+		}
+	} else if (adapter->MacFilter & MAC_DIRECTED) {
+		// Not broadcast or multicast.  Must be directed at us or
+		// the card is in promiscuous mode.  Either way, consider it
+		// ours if MAC_DIRECTED is set
+		adapter->Stats.DumbRcvUcastPkts++;
+		adapter->Stats.DumbRcvUcastBytes += length;
+		adapter->Stats.DumbRcvPkts++;
+		adapter->Stats.DumbRcvBytes += length;
+		return (TRUE);
+	}
+	if (adapter->MacFilter & MAC_PROMISC) {
+		// Whatever it is, keep it.
+		adapter->Stats.DumbRcvPkts++;
+		adapter->Stats.DumbRcvBytes += length;
+		return (TRUE);
+	}
+	adapter->Stats.RcvDiscards++;
+	return (FALSE);
+}
+
+static int sxg_register_interrupt(p_adapter_t adapter)
+{
+	if (!adapter->intrregistered) {
+		int retval;
+
+		DBG_ERROR
+		    ("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x] %x\n",
+		     __FUNCTION__, adapter, adapter->netdev->irq, NR_IRQS);
+
+		spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags);
+
+		retval = request_irq(adapter->netdev->irq,
+				     &sxg_isr,
+				     IRQF_SHARED,
+				     adapter->netdev->name, adapter->netdev);
+
+		spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags);
+
+		if (retval) {
+			DBG_ERROR("sxg: request_irq (%s) FAILED [%x]\n",
+				  adapter->netdev->name, retval);
+			return (retval);
+		}
+		adapter->intrregistered = 1;
+		adapter->IntRegistered = TRUE;
+		// Disable RSS with line-based interrupts
+		adapter->MsiEnabled = FALSE;
+		adapter->RssEnabled = FALSE;
+		DBG_ERROR("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x]\n",
+			  __FUNCTION__, adapter, adapter->netdev->irq);
+	}
+	return (STATUS_SUCCESS);
+}
+
+static void sxg_deregister_interrupt(p_adapter_t adapter)
+{
+	DBG_ERROR("sxg: %s ENTER adapter[%p]\n", __FUNCTION__, adapter);
+#if XXXTODO
+	slic_init_cleanup(adapter);
+#endif
+	memset(&adapter->stats, 0, sizeof(struct net_device_stats));
+	adapter->error_interrupts = 0;
+	adapter->rcv_interrupts = 0;
+	adapter->xmit_interrupts = 0;
+	adapter->linkevent_interrupts = 0;
+	adapter->upr_interrupts = 0;
+	adapter->num_isrs = 0;
+	adapter->xmit_completes = 0;
+	adapter->rcv_broadcasts = 0;
+	adapter->rcv_multicasts = 0;
+	adapter->rcv_unicasts = 0;
+	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+}
+
+/*
+ *  sxg_if_init
+ *
+ *  Perform initialization of our slic interface.
+ *
+ */
+static int sxg_if_init(p_adapter_t adapter)
+{
+	p_net_device dev = adapter->netdev;
+	int status = 0;
+
+	DBG_ERROR("sxg: %s (%s) ENTER states[%d:%d:%d] flags[%x]\n",
+		  __FUNCTION__, adapter->netdev->name,
+		  adapter->queues_initialized, adapter->state,
+		  adapter->linkstate, dev->flags);
+
+	/* adapter should be down at this point */
+	if (adapter->state != ADAPT_DOWN) {
+		DBG_ERROR("sxg_if_init adapter->state != ADAPT_DOWN\n");
+		return (-EIO);
+	}
+	ASSERT(adapter->linkstate == LINK_DOWN);
+
+	adapter->devflags_prev = dev->flags;
+	adapter->macopts = MAC_DIRECTED;
+	if (dev->flags) {
+		DBG_ERROR("sxg: %s (%s) Set MAC options: ", __FUNCTION__,
+			  adapter->netdev->name);
+		if (dev->flags & IFF_BROADCAST) {
+			adapter->macopts |= MAC_BCAST;
+			DBG_ERROR("BCAST ");
+		}
+		if (dev->flags & IFF_PROMISC) {
+			adapter->macopts |= MAC_PROMISC;
+			DBG_ERROR("PROMISC ");
+		}
+		if (dev->flags & IFF_ALLMULTI) {
+			adapter->macopts |= MAC_ALLMCAST;
+			DBG_ERROR("ALL_MCAST ");
+		}
+		if (dev->flags & IFF_MULTICAST) {
+			adapter->macopts |= MAC_MCAST;
+			DBG_ERROR("MCAST ");
+		}
+		DBG_ERROR("\n");
+	}
+	status = sxg_register_interrupt(adapter);
+	if (status != STATUS_SUCCESS) {
+		DBG_ERROR("sxg_if_init: sxg_register_interrupt FAILED %x\n",
+			  status);
+		sxg_deregister_interrupt(adapter);
+		return (status);
+	}
+
+	adapter->state = ADAPT_UP;
+
+	/*
+	 *    clear any pending events, then enable interrupts
+	 */
+	DBG_ERROR("sxg: %s ENABLE interrupts(slic)\n", __FUNCTION__);
+
+	return (STATUS_SUCCESS);
+}
+
+static int sxg_entry_open(p_net_device dev)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	int status;
+
+	ASSERT(adapter);
+	DBG_ERROR("sxg: %s adapter->activated[%d]\n", __FUNCTION__,
+		  adapter->activated);
+	DBG_ERROR
+	    ("sxg: %s (%s): [jiffies[%lx] cpu %d] dev[%p] adapt[%p] port[%d]\n",
+	     __FUNCTION__, adapter->netdev->name, jiffies, smp_processor_id(),
+	     adapter->netdev, adapter, adapter->port);
+
+	netif_stop_queue(adapter->netdev);
+
+	spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags);
+	if (!adapter->activated) {
+		sxg_global.num_sxg_ports_active++;
+		adapter->activated = 1;
+	}
+
+	// Initialize the adapter
+	DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __FUNCTION__);
+	status = sxg_initialize_adapter(adapter);
+	DBG_ERROR("sxg: %s EXIT sxg_initialize_adapter status[%x]\n",
+		  __FUNCTION__, status);
+
+	if (status == STATUS_SUCCESS) {
+		DBG_ERROR("sxg: %s ENTER sxg_if_init\n", __FUNCTION__);
+		status = sxg_if_init(adapter);
+		DBG_ERROR("sxg: %s EXIT sxg_if_init status[%x]\n", __FUNCTION__,
+			  status);
+	}
+
+	if (status != STATUS_SUCCESS) {
+		if (adapter->activated) {
+			sxg_global.num_sxg_ports_active--;
+			adapter->activated = 0;
+		}
+		spin_unlock_irqrestore(&sxg_global.driver_lock,
+				       sxg_global.flags);
+		return (status);
+	}
+	DBG_ERROR("sxg: %s ENABLE ALL INTERRUPTS\n", __FUNCTION__);
+
+	// Enable interrupts
+	SXG_ENABLE_ALL_INTERRUPTS(adapter);
+
+	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+
+	spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags);
+	return STATUS_SUCCESS;
+}
+
+static void __devexit sxg_entry_remove(struct pci_dev *pcidev)
+{
+	p_net_device dev = pci_get_drvdata(pcidev);
+	u32 mmio_start = 0;
+	unsigned int mmio_len = 0;
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+
+	ASSERT(adapter);
+	DBG_ERROR("sxg: %s ENTER dev[%p] adapter[%p]\n", __FUNCTION__, dev,
+		  adapter);
+	sxg_deregister_interrupt(adapter);
+	sxg_unmap_mmio_space(adapter);
+	DBG_ERROR("sxg: %s unregister_netdev\n", __FUNCTION__);
+	unregister_netdev(dev);
+
+	mmio_start = pci_resource_start(pcidev, 0);
+	mmio_len = pci_resource_len(pcidev, 0);
+
+	DBG_ERROR("sxg: %s rel_region(0) start[%x] len[%x]\n", __FUNCTION__,
+		  mmio_start, mmio_len);
+	release_mem_region(mmio_start, mmio_len);
+
+	DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __FUNCTION__,
+		  (unsigned int) dev->base_addr);
+	iounmap((char *)dev->base_addr);
+
+	DBG_ERROR("sxg: %s deallocate device\n", __FUNCTION__);
+	kfree(dev);
+	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+}
+
+static int sxg_entry_halt(p_net_device dev)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+
+	spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags);
+	DBG_ERROR("sxg: %s (%s) ENTER\n", __FUNCTION__, dev->name);
+
+	netif_stop_queue(adapter->netdev);
+	adapter->state = ADAPT_DOWN;
+	adapter->linkstate = LINK_DOWN;
+	adapter->devflags_prev = 0;
+	DBG_ERROR("sxg: %s (%s) set adapter[%p] state to ADAPT_DOWN(%d)\n",
+		  __FUNCTION__, dev->name, adapter, adapter->state);
+
+	DBG_ERROR("sxg: %s (%s) EXIT\n", __FUNCTION__, dev->name);
+	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+	spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags);
+	return (STATUS_SUCCESS);
+}
+
+static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd)
+{
+	ASSERT(rq);
+//      DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __FUNCTION__, cmd, rq, dev);
+	switch (cmd) {
+	case SIOCSLICSETINTAGG:
+		{
+//                      p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+			u32 data[7];
+			u32 intagg;
+
+			if (copy_from_user(data, rq->ifr_data, 28)) {
+				DBG_ERROR
+				    ("copy_from_user FAILED  getting initial params\n");
+				return -EFAULT;
+			}
+			intagg = data[0];
+			printk(KERN_EMERG
+			       "%s: set interrupt aggregation to %d\n",
+			       __FUNCTION__, intagg);
+			return 0;
+		}
+
+	default:
+//              DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __FUNCTION__, cmd);
+		return -EOPNOTSUPP;
+	}
+	return 0;
+}
+
+#define NORMAL_ETHFRAME     0
+
+/*
+ *
+ * sxg_send_packets - Send a skb packet
+ *
+ * Arguments:
+ *			skb                     - The packet to send
+ *			dev                     - Our linux net device that refs our adapter
+ *
+ * Return:
+ *		0   regardless of outcome    XXXTODO refer to e1000 driver
+ */
+static int sxg_send_packets(struct sk_buff *skb, p_net_device dev)
+{
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	u32 status = STATUS_SUCCESS;
+
+	DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __FUNCTION__,
+		  skb);
+	// Check the adapter state
+	switch (adapter->State) {
+	case SXG_STATE_INITIALIZING:
+	case SXG_STATE_HALTED:
+	case SXG_STATE_SHUTDOWN:
+		ASSERT(0);	// unexpected
+		// fall through
+	case SXG_STATE_RESETTING:
+	case SXG_STATE_SLEEP:
+	case SXG_STATE_BOOTDIAG:
+	case SXG_STATE_DIAG:
+	case SXG_STATE_HALTING:
+		status = STATUS_FAILURE;
+		break;
+	case SXG_STATE_RUNNING:
+		if (adapter->LinkState != SXG_LINK_UP) {
+			status = STATUS_FAILURE;
+		}
+		break;
+	default:
+		ASSERT(0);
+		status = STATUS_FAILURE;
+	}
+	if (status != STATUS_SUCCESS) {
+		goto xmit_fail;
+	}
+	// send a packet
+	status = sxg_transmit_packet(adapter, skb);
+	if (status == STATUS_SUCCESS) {
+		goto xmit_done;
+	}
+
+      xmit_fail:
+	// reject & complete all the packets if they cant be sent
+	if (status != STATUS_SUCCESS) {
+#if XXXTODO
+//      sxg_send_packets_fail(adapter, skb, status);
+#else
+		SXG_DROP_DUMB_SEND(adapter, skb);
+		adapter->stats.tx_dropped++;
+#endif
+	}
+	DBG_ERROR("sxg: %s EXIT sxg_send_packets status[%x]\n", __FUNCTION__,
+		  status);
+
+      xmit_done:
+	return 0;
+}
+
+/*
+ * sxg_transmit_packet
+ *
+ * This function transmits a single packet.
+ *
+ * Arguments -
+ *		adapter			- Pointer to our adapter structure
+ *      skb             - The packet to be sent
+ *
+ * Return -
+ * 		STATUS of send
+ */
+static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb)
+{
+	PSCATTER_GATHER_LIST pSgl;
+	PSXG_SCATTER_GATHER SxgSgl;
+	void * SglBuffer;
+	u32 SglBufferLength;
+
+	// The vast majority of work is done in the shared
+	// sxg_dumb_sgl routine.
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSend",
+		  adapter, skb, 0, 0);
+
+	// Allocate a SGL buffer
+	SXG_GET_SGL_BUFFER(adapter, SxgSgl);
+	if (!SxgSgl) {
+		adapter->Stats.NoSglBuf++;
+		adapter->Stats.XmtErrors++;
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "SndPktF1",
+			  adapter, skb, 0, 0);
+		return (STATUS_RESOURCES);
+	}
+	ASSERT(SxgSgl->adapter == adapter);
+	SglBuffer = SXG_SGL_BUFFER(SxgSgl);
+	SglBufferLength = SXG_SGL_BUF_SIZE;
+	SxgSgl->VlanTag.VlanTci = 0;
+	SxgSgl->VlanTag.VlanTpid = 0;
+	SxgSgl->Type = SXG_SGL_DUMB;
+	SxgSgl->DumbPacket = skb;
+	pSgl = NULL;
+
+	// Call the common sxg_dumb_sgl routine to complete the send.
+	sxg_dumb_sgl(pSgl, SxgSgl);
+	// Return success   sxg_dumb_sgl (or something later) will complete it.
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * sxg_dumb_sgl
+ *
+ * Arguments:
+ *		pSgl     -
+ *		SxgSgl   - SXG_SCATTER_GATHER
+ *
+ * Return Value:
+ * 	None.
+ */
+static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl)
+{
+	p_adapter_t adapter = SxgSgl->adapter;
+	struct sk_buff *skb = SxgSgl->DumbPacket;
+	// For now, all dumb-nic sends go on RSS queue zero
+	PSXG_XMT_RING XmtRing = &adapter->XmtRings[0];
+	PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo;
+	PSXG_CMD XmtCmd = NULL;
+//      u32                         Index = 0;
+	u32 DataLength = skb->len;
+//  unsigned int                                BufLen;
+//      u32                         SglOffset;
+	u64 phys_addr;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSgl",
+		  pSgl, SxgSgl, 0, 0);
+
+	// Set aside a pointer to the sgl
+	SxgSgl->pSgl = pSgl;
+
+	// Sanity check that our SGL format is as we expect.
+	ASSERT(sizeof(SXG_X64_SGE) == sizeof(SCATTER_GATHER_ELEMENT));
+	// Shouldn't be a vlan tag on this frame
+	ASSERT(SxgSgl->VlanTag.VlanTci == 0);
+	ASSERT(SxgSgl->VlanTag.VlanTpid == 0);
+
+	// From here below we work with the SGL placed in our
+	// buffer.
+
+	SxgSgl->Sgl.NumberOfElements = 1;
+
+	// Grab the spinlock and acquire a command
+	spin_lock(&adapter->XmtZeroLock);
+	SXG_GET_CMD(XmtRing, XmtRingInfo, XmtCmd, SxgSgl);
+	if (XmtCmd == NULL) {
+		// Call sxg_complete_slow_send to see if we can
+		// free up any XmtRingZero entries and then try again
+		spin_unlock(&adapter->XmtZeroLock);
+		sxg_complete_slow_send(adapter);
+		spin_lock(&adapter->XmtZeroLock);
+		SXG_GET_CMD(XmtRing, XmtRingInfo, XmtCmd, SxgSgl);
+		if (XmtCmd == NULL) {
+			adapter->Stats.XmtZeroFull++;
+			goto abortcmd;
+		}
+	}
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbCmd",
+		  XmtCmd, XmtRingInfo->Head, XmtRingInfo->Tail, 0);
+	// Update stats
+	adapter->Stats.DumbXmtPkts++;
+	adapter->Stats.DumbXmtBytes += DataLength;
+#if XXXTODO			// Stats stuff
+	if (SXG_MULTICAST_PACKET(EtherHdr)) {
+		if (SXG_BROADCAST_PACKET(EtherHdr)) {
+			adapter->Stats.DumbXmtBcastPkts++;
+			adapter->Stats.DumbXmtBcastBytes += DataLength;
+		} else {
+			adapter->Stats.DumbXmtMcastPkts++;
+			adapter->Stats.DumbXmtMcastBytes += DataLength;
+		}
+	} else {
+		adapter->Stats.DumbXmtUcastPkts++;
+		adapter->Stats.DumbXmtUcastBytes += DataLength;
+	}
+#endif
+	// Fill in the command
+	// Copy out the first SGE to the command and adjust for offset
+	phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, PCI_DMA_TODEVICE);
+	XmtCmd->Buffer.FirstSgeAddress = SXG_GET_ADDR_HIGH(phys_addr);
+	XmtCmd->Buffer.FirstSgeAddress = XmtCmd->Buffer.FirstSgeAddress << 32;
+	XmtCmd->Buffer.FirstSgeAddress =
+	    XmtCmd->Buffer.FirstSgeAddress | SXG_GET_ADDR_LOW(phys_addr);
+//      XmtCmd->Buffer.FirstSgeAddress = SxgSgl->Sgl.Elements[Index].Address;
+//      XmtCmd->Buffer.FirstSgeAddress.LowPart += MdlOffset;
+	XmtCmd->Buffer.FirstSgeLength = DataLength;
+	// Set a pointer to the remaining SGL entries
+//      XmtCmd->Sgl = SxgSgl->PhysicalAddress;
+	// Advance the physical address of the SxgSgl structure to
+	// the second SGE
+//      SglOffset = (u32)((u32 *)(&SxgSgl->Sgl.Elements[Index+1]) -
+//                                              (u32 *)SxgSgl);
+//      XmtCmd->Sgl.LowPart += SglOffset;
+	XmtCmd->Buffer.SgeOffset = 0;
+	// Note - TotalLength might be overwritten with MSS below..
+	XmtCmd->Buffer.TotalLength = DataLength;
+	XmtCmd->SgEntries = 1;	//(ushort)(SxgSgl->Sgl.NumberOfElements - Index);
+	XmtCmd->Flags = 0;
+	//
+	// Advance transmit cmd descripter by 1.
+	// NOTE - See comments in SxgTcpOutput where we write
+	// to the XmtCmd register regarding CPU ID values and/or
+	// multiple commands.
+	//
+	//
+	WRITE_REG(adapter->UcodeRegs[0].XmtCmd, 1, TRUE);
+	//
+	//
+	adapter->Stats.XmtQLen++;	// Stats within lock
+	spin_unlock(&adapter->XmtZeroLock);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDumSgl2",
+		  XmtCmd, pSgl, SxgSgl, 0);
+	return;
+
+      abortcmd:
+	// NOTE - Only jump to this label AFTER grabbing the
+	// XmtZeroLock, and DO NOT DROP IT between the
+	// command allocation and the following abort.
+	if (XmtCmd) {
+		SXG_ABORT_CMD(XmtRingInfo);
+	}
+	spin_unlock(&adapter->XmtZeroLock);
+
+// failsgl:
+	// Jump to this label if failure occurs before the
+	// XmtZeroLock is grabbed
+	adapter->Stats.XmtErrors++;
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumSGFal",
+		  pSgl, SxgSgl, XmtRingInfo->Head, XmtRingInfo->Tail);
+
+	SXG_COMPLETE_DUMB_SEND(adapter, SxgSgl->DumbPacket);	// SxgSgl->DumbPacket is the skb
+}
+
+/***************************************************************
+ * Link management functions
+ ***************************************************************/
+
+/*
+ * sxg_initialize_link - Initialize the link stuff
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	status
+ */
+static int sxg_initialize_link(p_adapter_t adapter)
+{
+	PSXG_HW_REGS HwRegs = adapter->HwRegs;
+	u32 Value;
+	u32 ConfigData;
+	u32 MaxFrame;
+	int status;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitLink",
+		  adapter, 0, 0, 0);
+
+	// Reset PHY and XGXS module
+	WRITE_REG(HwRegs->LinkStatus, LS_SERDES_POWER_DOWN, TRUE);
+
+	// Reset transmit configuration register
+	WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_RESET, TRUE);
+
+	// Reset receive configuration register
+	WRITE_REG(HwRegs->RcvConfig, RCV_CONFIG_RESET, TRUE);
+
+	// Reset all MAC modules
+	WRITE_REG(HwRegs->MacConfig0, AXGMAC_CFG0_SUB_RESET, TRUE);
+
+	// Link address 0
+	// XXXTODO - This assumes the MAC address (0a:0b:0c:0d:0e:0f)
+	// is stored with the first nibble (0a) in the byte 0
+	// of the Mac address.  Possibly reverse?
+	Value = *(u32 *) adapter->MacAddr;
+	WRITE_REG(HwRegs->LinkAddress0Low, Value, TRUE);
+	// also write the MAC address to the MAC.  Endian is reversed.
+	WRITE_REG(HwRegs->MacAddressLow, ntohl(Value), TRUE);
+	Value = (*(u16 *) & adapter->MacAddr[4] & 0x0000FFFF);
+	WRITE_REG(HwRegs->LinkAddress0High, Value | LINK_ADDRESS_ENABLE, TRUE);
+	// endian swap for the MAC (put high bytes in bits [31:16], swapped)
+	Value = ntohl(Value);
+	WRITE_REG(HwRegs->MacAddressHigh, Value, TRUE);
+	// Link address 1
+	WRITE_REG(HwRegs->LinkAddress1Low, 0, TRUE);
+	WRITE_REG(HwRegs->LinkAddress1High, 0, TRUE);
+	// Link address 2
+	WRITE_REG(HwRegs->LinkAddress2Low, 0, TRUE);
+	WRITE_REG(HwRegs->LinkAddress2High, 0, TRUE);
+	// Link address 3
+	WRITE_REG(HwRegs->LinkAddress3Low, 0, TRUE);
+	WRITE_REG(HwRegs->LinkAddress3High, 0, TRUE);
+
+	// Enable MAC modules
+	WRITE_REG(HwRegs->MacConfig0, 0, TRUE);
+
+	// Configure MAC
+	WRITE_REG(HwRegs->MacConfig1, (AXGMAC_CFG1_XMT_PAUSE |	// Allow sending of pause
+				       AXGMAC_CFG1_XMT_EN |	// Enable XMT
+				       AXGMAC_CFG1_RCV_PAUSE |	// Enable detection of pause
+				       AXGMAC_CFG1_RCV_EN |	// Enable receive
+				       AXGMAC_CFG1_SHORT_ASSERT |	// short frame detection
+				       AXGMAC_CFG1_CHECK_LEN |	// Verify frame length
+				       AXGMAC_CFG1_GEN_FCS |	// Generate FCS
+				       AXGMAC_CFG1_PAD_64),	// Pad frames to 64 bytes
+		  TRUE);
+
+	// Set AXGMAC max frame length if jumbo.  Not needed for standard MTU
+	if (adapter->JumboEnabled) {
+		WRITE_REG(HwRegs->MacMaxFrameLen, AXGMAC_MAXFRAME_JUMBO, TRUE);
+	}
+	// AMIIM Configuration Register -
+	// The value placed in the AXGMAC_AMIIM_CFG_HALF_CLOCK portion
+	// (bottom bits) of this register is used to determine the
+	// MDC frequency as specified in the A-XGMAC Design Document.
+	// This value must not be zero.  The following value (62 or 0x3E)
+	// is based on our MAC transmit clock frequency (MTCLK) of 312.5 MHz.
+	// Given a maximum MDIO clock frequency of 2.5 MHz (see the PHY spec),
+	// we get:  312.5/(2*(X+1)) < 2.5  ==> X = 62.
+	// This value happens to be the default value for this register,
+	// so we really don't have to do this.
+	WRITE_REG(HwRegs->MacAmiimConfig, 0x0000003E, TRUE);
+
+	// Power up and enable PHY and XAUI/XGXS/Serdes logic
+	WRITE_REG(HwRegs->LinkStatus,
+		  (LS_PHY_CLR_RESET |
+		   LS_XGXS_ENABLE |
+		   LS_XGXS_CTL | LS_PHY_CLK_EN | LS_ATTN_ALARM), TRUE);
+	DBG_ERROR("After Power Up and enable PHY in sxg_initialize_link\n");
+
+	// Per information given by Aeluros, wait 100 ms after removing reset.
+	// It's not enough to wait for the self-clearing reset bit in reg 0 to clear.
+	mdelay(100);
+
+	// Verify the PHY has come up by checking that the Reset bit has cleared.
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
+				   PHY_PMA_CONTROL1,	// PMA/PMD control register
+				   &Value);
+	if (status != STATUS_SUCCESS)
+		return (STATUS_FAILURE);
+	if (Value & PMA_CONTROL1_RESET)	// reset complete if bit is 0
+		return (STATUS_FAILURE);
+
+	// The SERDES should be initialized by now - confirm
+	READ_REG(HwRegs->LinkStatus, Value);
+	if (Value & LS_SERDES_DOWN)	// verify SERDES is initialized
+		return (STATUS_FAILURE);
+
+	// The XAUI link should also be up - confirm
+	if (!(Value & LS_XAUI_LINK_UP))	// verify XAUI link is up
+		return (STATUS_FAILURE);
+
+	// Initialize the PHY
+	status = sxg_phy_init(adapter);
+	if (status != STATUS_SUCCESS)
+		return (STATUS_FAILURE);
+
+	// Enable the Link Alarm
+	status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
+				    LASI_CONTROL,	// LASI control register
+				    LASI_CTL_LS_ALARM_ENABLE);	// enable link alarm bit
+	if (status != STATUS_SUCCESS)
+		return (STATUS_FAILURE);
+
+	// XXXTODO - temporary - verify bit is set
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
+				   LASI_CONTROL,	// LASI control register
+				   &Value);
+	if (status != STATUS_SUCCESS)
+		return (STATUS_FAILURE);
+	if (!(Value & LASI_CTL_LS_ALARM_ENABLE)) {
+		DBG_ERROR("Error!  LASI Control Alarm Enable bit not set!\n");
+	}
+	// Enable receive
+	MaxFrame = adapter->JumboEnabled ? JUMBOMAXFRAME : ETHERMAXFRAME;
+	ConfigData = (RCV_CONFIG_ENABLE |
+		      RCV_CONFIG_ENPARSE |
+		      RCV_CONFIG_RCVBAD |
+		      RCV_CONFIG_RCVPAUSE |
+		      RCV_CONFIG_TZIPV6 |
+		      RCV_CONFIG_TZIPV4 |
+		      RCV_CONFIG_HASH_16 |
+		      RCV_CONFIG_SOCKET | RCV_CONFIG_BUFSIZE(MaxFrame));
+	WRITE_REG(HwRegs->RcvConfig, ConfigData, TRUE);
+
+	WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_ENABLE, TRUE);
+
+	// Mark the link as down.  We'll get a link event when it comes up.
+	sxg_link_state(adapter, SXG_LINK_DOWN);
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XInitLnk",
+		  adapter, 0, 0, 0);
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * sxg_phy_init - Initialize the PHY
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	status
+ */
+static int sxg_phy_init(p_adapter_t adapter)
+{
+	u32 Value;
+	PPHY_UCODE p;
+	int status;
+
+	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+
+	// Read a register to identify the PHY type
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
+				   0xC205,	// PHY ID register (?)
+				   &Value);	//    XXXTODO - add def
+	if (status != STATUS_SUCCESS)
+		return (STATUS_FAILURE);
+
+	if (Value == 0x0012) {	// 0x0012 == AEL2005C PHY(?) - XXXTODO - add def
+		DBG_ERROR
+		    ("AEL2005C PHY detected.  Downloading PHY microcode.\n");
+
+		// Initialize AEL2005C PHY and download PHY microcode
+		for (p = PhyUcode; p->Addr != 0xFFFF; p++) {
+			if (p->Addr == 0) {
+				// if address == 0, data == sleep time in ms
+				mdelay(p->Data);
+			} else {
+				// write the given data to the specified address
+				status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
+							    p->Addr,	// PHY address
+							    p->Data);	// PHY data
+				if (status != STATUS_SUCCESS)
+					return (STATUS_FAILURE);
+			}
+		}
+	}
+	DBG_ERROR("EXIT %s\n", __FUNCTION__);
+
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * sxg_link_event - Process a link event notification from the card
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	None
+ */
+static void sxg_link_event(p_adapter_t adapter)
+{
+	PSXG_HW_REGS HwRegs = adapter->HwRegs;
+	SXG_LINK_STATE LinkState;
+	int status;
+	u32 Value;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "LinkEvnt",
+		  adapter, 0, 0, 0);
+	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+
+	// Check the Link Status register.  We should have a Link Alarm.
+	READ_REG(HwRegs->LinkStatus, Value);
+	if (Value & LS_LINK_ALARM) {
+		// We got a Link Status alarm.  First, pause to let the
+		// link state settle (it can bounce a number of times)
+		mdelay(10);
+
+		// Now clear the alarm by reading the LASI status register.
+		status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
+					   LASI_STATUS,	// LASI status register
+					   &Value);
+		if (status != STATUS_SUCCESS) {
+			DBG_ERROR("Error reading LASI Status MDIO register!\n");
+			sxg_link_state(adapter, SXG_LINK_DOWN);
+//                      ASSERT(0);
+		}
+		ASSERT(Value & LASI_STATUS_LS_ALARM);
+
+		// Now get and set the link state
+		LinkState = sxg_get_link_state(adapter);
+		sxg_link_state(adapter, LinkState);
+		DBG_ERROR("SXG: Link Alarm occurred.  Link is %s\n",
+			  ((LinkState == SXG_LINK_UP) ? "UP" : "DOWN"));
+	} else {
+		// XXXTODO - Assuming Link Attention is only being generated for the
+		// Link Alarm pin (and not for a XAUI Link Status change), then it's
+		// impossible to get here.  Yet we've gotten here twice (under extreme
+		// conditions - bouncing the link up and down many times a second).
+		// Needs further investigation.
+		DBG_ERROR("SXG: sxg_link_event: Can't get here!\n");
+		DBG_ERROR("SXG: Link Status == 0x%08X.\n", Value);
+//              ASSERT(0);
+	}
+	DBG_ERROR("EXIT %s\n", __FUNCTION__);
+
+}
+
+/*
+ * sxg_get_link_state - Determine if the link is up or down
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	Link State
+ */
+static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter)
+{
+	int status;
+	u32 Value;
+
+	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "GetLink",
+		  adapter, 0, 0, 0);
+
+	// Per the Xenpak spec (and the IEEE 10Gb spec?), the link is up if
+	// the following 3 bits (from 3 different MDIO registers) are all true.
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
+				   PHY_PMA_RCV_DET,	// PMA/PMD Receive Signal Detect register
+				   &Value);
+	if (status != STATUS_SUCCESS)
+		goto bad;
+
+	// If PMA/PMD receive signal detect is 0, then the link is down
+	if (!(Value & PMA_RCV_DETECT))
+		return (SXG_LINK_DOWN);
+
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PCS,	// PHY PCS module
+				   PHY_PCS_10G_STATUS1,	// PCS 10GBASE-R Status 1 register
+				   &Value);
+	if (status != STATUS_SUCCESS)
+		goto bad;
+
+	// If PCS is not locked to receive blocks, then the link is down
+	if (!(Value & PCS_10B_BLOCK_LOCK))
+		return (SXG_LINK_DOWN);
+
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_XS,	// PHY XS module
+				   PHY_XS_LANE_STATUS,	// XS Lane Status register
+				   &Value);
+	if (status != STATUS_SUCCESS)
+		goto bad;
+
+	// If XS transmit lanes are not aligned, then the link is down
+	if (!(Value & XS_LANE_ALIGN))
+		return (SXG_LINK_DOWN);
+
+	// All 3 bits are true, so the link is up
+	DBG_ERROR("EXIT %s\n", __FUNCTION__);
+
+	return (SXG_LINK_UP);
+
+      bad:
+	// An error occurred reading an MDIO register.  This shouldn't happen.
+	DBG_ERROR("Error reading an MDIO register!\n");
+	ASSERT(0);
+	return (SXG_LINK_DOWN);
+}
+
+static void sxg_indicate_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
+{
+	if (adapter->LinkState == SXG_LINK_UP) {
+		DBG_ERROR("%s: LINK now UP, call netif_start_queue\n",
+			  __FUNCTION__);
+		netif_start_queue(adapter->netdev);
+	} else {
+		DBG_ERROR("%s: LINK now DOWN, call netif_stop_queue\n",
+			  __FUNCTION__);
+		netif_stop_queue(adapter->netdev);
+	}
+}
+
+/*
+ * sxg_link_state - Set the link state and if necessary, indicate.
+ *	This routine the central point of processing for all link state changes.
+ *	Nothing else in the driver should alter the link state or perform
+ *	link state indications
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *	LinkState 	- The link state
+ *
+ * Return
+ *	None
+ */
+static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
+{
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "LnkINDCT",
+		  adapter, LinkState, adapter->LinkState, adapter->State);
+
+	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+
+	// Hold the adapter lock during this routine.  Maybe move
+	// the lock to the caller.
+	spin_lock(&adapter->AdapterLock);
+	if (LinkState == adapter->LinkState) {
+		// Nothing changed..
+		spin_unlock(&adapter->AdapterLock);
+		DBG_ERROR("EXIT #0 %s\n", __FUNCTION__);
+		return;
+	}
+	// Save the adapter state
+	adapter->LinkState = LinkState;
+
+	// Drop the lock and indicate link state
+	spin_unlock(&adapter->AdapterLock);
+	DBG_ERROR("EXIT #1 %s\n", __FUNCTION__);
+
+	sxg_indicate_link_state(adapter, LinkState);
+}
+
+/*
+ * sxg_write_mdio_reg - Write to a register on the MDIO bus
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *  DevAddr     - MDIO device number being addressed
+ *  RegAddr     - register address for the specified MDIO device
+ *  Value		- value to write to the MDIO register
+ *
+ * Return
+ *	status
+ */
+static int sxg_write_mdio_reg(p_adapter_t adapter,
+		   u32 DevAddr, u32 RegAddr, u32 Value)
+{
+	PSXG_HW_REGS HwRegs = adapter->HwRegs;
+	u32 AddrOp;		// Address operation (written to MIIM field reg)
+	u32 WriteOp;	// Write operation (written to MIIM field reg)
+	u32 Cmd;		// Command (written to MIIM command reg)
+	u32 ValueRead;
+	u32 Timeout;
+
+//  DBG_ERROR("ENTER %s\n", __FUNCTION__);
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO",
+		  adapter, 0, 0, 0);
+
+	// Ensure values don't exceed field width
+	DevAddr &= 0x001F;	// 5-bit field
+	RegAddr &= 0xFFFF;	// 16-bit field
+	Value &= 0xFFFF;	// 16-bit field
+
+	// Set MIIM field register bits for an MIIM address operation
+	AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
+	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
+	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
+	    (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr;
+
+	// Set MIIM field register bits for an MIIM write operation
+	WriteOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
+	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
+	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
+	    (MIIM_OP_WRITE << AXGMAC_AMIIM_FIELD_OP_SHIFT) | Value;
+
+	// Set MIIM command register bits to execute an MIIM command
+	Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION;
+
+	// Reset the command register command bit (in case it's not 0)
+	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
+
+	// MIIM write to set the address of the specified MDIO register
+	WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE);
+
+	// Write to MIIM Command Register to execute to address operation
+	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
+
+	// Poll AMIIM Indicator register to wait for completion
+	Timeout = SXG_LINK_TIMEOUT;
+	do {
+		udelay(100);	// Timeout in 100us units
+		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
+		if (--Timeout == 0) {
+			return (STATUS_FAILURE);
+		}
+	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
+
+	// Reset the command register command bit
+	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
+
+	// MIIM write to set up an MDIO write operation
+	WRITE_REG(HwRegs->MacAmiimField, WriteOp, TRUE);
+
+	// Write to MIIM Command Register to execute the write operation
+	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
+
+	// Poll AMIIM Indicator register to wait for completion
+	Timeout = SXG_LINK_TIMEOUT;
+	do {
+		udelay(100);	// Timeout in 100us units
+		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
+		if (--Timeout == 0) {
+			return (STATUS_FAILURE);
+		}
+	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
+
+//  DBG_ERROR("EXIT %s\n", __FUNCTION__);
+
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * sxg_read_mdio_reg - Read a register on the MDIO bus
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *  DevAddr     - MDIO device number being addressed
+ *  RegAddr     - register address for the specified MDIO device
+ *  pValue		- pointer to where to put data read from the MDIO register
+ *
+ * Return
+ *	status
+ */
+static int sxg_read_mdio_reg(p_adapter_t adapter,
+		  u32 DevAddr, u32 RegAddr, u32 * pValue)
+{
+	PSXG_HW_REGS HwRegs = adapter->HwRegs;
+	u32 AddrOp;		// Address operation (written to MIIM field reg)
+	u32 ReadOp;		// Read operation (written to MIIM field reg)
+	u32 Cmd;		// Command (written to MIIM command reg)
+	u32 ValueRead;
+	u32 Timeout;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO",
+		  adapter, 0, 0, 0);
+//  DBG_ERROR("ENTER %s\n", __FUNCTION__);
+
+	// Ensure values don't exceed field width
+	DevAddr &= 0x001F;	// 5-bit field
+	RegAddr &= 0xFFFF;	// 16-bit field
+
+	// Set MIIM field register bits for an MIIM address operation
+	AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
+	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
+	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
+	    (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr;
+
+	// Set MIIM field register bits for an MIIM read operation
+	ReadOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
+	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
+	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
+	    (MIIM_OP_READ << AXGMAC_AMIIM_FIELD_OP_SHIFT);
+
+	// Set MIIM command register bits to execute an MIIM command
+	Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION;
+
+	// Reset the command register command bit (in case it's not 0)
+	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
+
+	// MIIM write to set the address of the specified MDIO register
+	WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE);
+
+	// Write to MIIM Command Register to execute to address operation
+	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
+
+	// Poll AMIIM Indicator register to wait for completion
+	Timeout = SXG_LINK_TIMEOUT;
+	do {
+		udelay(100);	// Timeout in 100us units
+		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
+		if (--Timeout == 0) {
+			return (STATUS_FAILURE);
+		}
+	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
+
+	// Reset the command register command bit
+	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
+
+	// MIIM write to set up an MDIO register read operation
+	WRITE_REG(HwRegs->MacAmiimField, ReadOp, TRUE);
+
+	// Write to MIIM Command Register to execute the read operation
+	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
+
+	// Poll AMIIM Indicator register to wait for completion
+	Timeout = SXG_LINK_TIMEOUT;
+	do {
+		udelay(100);	// Timeout in 100us units
+		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
+		if (--Timeout == 0) {
+			return (STATUS_FAILURE);
+		}
+	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
+
+	// Read the MDIO register data back from the field register
+	READ_REG(HwRegs->MacAmiimField, *pValue);
+	*pValue &= 0xFFFF;	// data is in the lower 16 bits
+
+//  DBG_ERROR("EXIT %s\n", __FUNCTION__);
+
+	return (STATUS_SUCCESS);
+}
+
+/*
+ *  Allocate a mcast_address structure to hold the multicast address.
+ *  Link it in.
+ */
+static int sxg_mcast_add_list(p_adapter_t adapter, char *address)
+{
+	p_mcast_address_t mcaddr, mlist;
+	bool equaladdr;
+
+	/* Check to see if it already exists */
+	mlist = adapter->mcastaddrs;
+	while (mlist) {
+		ETHER_EQ_ADDR(mlist->address, address, equaladdr);
+		if (equaladdr) {
+			return (STATUS_SUCCESS);
+		}
+		mlist = mlist->next;
+	}
+
+	/* Doesn't already exist.  Allocate a structure to hold it */
+	mcaddr = kmalloc(sizeof(mcast_address_t), GFP_ATOMIC);
+	if (mcaddr == NULL)
+		return 1;
+
+	memcpy(mcaddr->address, address, 6);
+
+	mcaddr->next = adapter->mcastaddrs;
+	adapter->mcastaddrs = mcaddr;
+
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * Functions to obtain the CRC corresponding to the destination mac address.
+ * This is a standard ethernet CRC in that it is a 32-bit, reflected CRC using
+ * the polynomial:
+ *   x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1.
+ *
+ * After the CRC for the 6 bytes is generated (but before the value is complemented),
+ * we must then transpose the value and return bits 30-23.
+ *
+ */
+static u32 sxg_crc_table[256]; /* Table of CRC's for all possible byte values */
+static u32 sxg_crc_init;	/* Is table initialized                        */
+
+/*
+ *  Contruct the CRC32 table
+ */
+static void sxg_mcast_init_crc32(void)
+{
+	u32 c;		/*  CRC shit reg                 */
+	u32 e = 0;		/*  Poly X-or pattern            */
+	int i;			/*  counter                      */
+	int k;			/*  byte being shifted into crc  */
+
+	static int p[] = { 0, 1, 2, 4, 5, 7, 8, 10, 11, 12, 16, 22, 23, 26 };
+
+	for (i = 0; i < sizeof(p) / sizeof(int); i++) {
+		e |= 1L << (31 - p[i]);
+	}
+
+	for (i = 1; i < 256; i++) {
+		c = i;
+		for (k = 8; k; k--) {
+			c = c & 1 ? (c >> 1) ^ e : c >> 1;
+		}
+		sxg_crc_table[i] = c;
+	}
+}
+
+/*
+ *  Return the MAC hast as described above.
+ */
+static unsigned char sxg_mcast_get_mac_hash(char *macaddr)
+{
+	u32 crc;
+	char *p;
+	int i;
+	unsigned char machash = 0;
+
+	if (!sxg_crc_init) {
+		sxg_mcast_init_crc32();
+		sxg_crc_init = 1;
+	}
+
+	crc = 0xFFFFFFFF;	/* Preload shift register, per crc-32 spec */
+	for (i = 0, p = macaddr; i < 6; ++p, ++i) {
+		crc = (crc >> 8) ^ sxg_crc_table[(crc ^ *p) & 0xFF];
+	}
+
+	/* Return bits 1-8, transposed */
+	for (i = 1; i < 9; i++) {
+		machash |= (((crc >> i) & 1) << (8 - i));
+	}
+
+	return (machash);
+}
+
+static void sxg_mcast_set_bit(p_adapter_t adapter, char *address)
+{
+	unsigned char crcpoly;
+
+	/* Get the CRC polynomial for the mac address */
+	crcpoly = sxg_mcast_get_mac_hash(address);
+
+	/* We only have space on the SLIC for 64 entries.  Lop
+	 * off the top two bits. (2^6 = 64)
+	 */
+	crcpoly &= 0x3F;
+
+	/* OR in the new bit into our 64 bit mask. */
+	adapter->MulticastMask |= (u64) 1 << crcpoly;
+}
+
+static void sxg_mcast_set_list(p_net_device dev)
+{
+#if XXXTODO
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	int status = STATUS_SUCCESS;
+	int i;
+	char *addresses;
+	struct dev_mc_list *mc_list = dev->mc_list;
+	int mc_count = dev->mc_count;
+
+	ASSERT(adapter);
+
+	for (i = 1; i <= mc_count; i++) {
+		addresses = (char *) & mc_list->dmi_addr;
+		if (mc_list->dmi_addrlen == 6) {
+			status = sxg_mcast_add_list(adapter, addresses);
+			if (status != STATUS_SUCCESS) {
+				break;
+			}
+		} else {
+			status = -EINVAL;
+			break;
+		}
+		sxg_mcast_set_bit(adapter, addresses);
+		mc_list = mc_list->next;
+	}
+
+	DBG_ERROR("%s a->devflags_prev[%x] dev->flags[%x] status[%x]\n",
+		  __FUNCTION__, adapter->devflags_prev, dev->flags, status);
+	if (adapter->devflags_prev != dev->flags) {
+		adapter->macopts = MAC_DIRECTED;
+		if (dev->flags) {
+			if (dev->flags & IFF_BROADCAST) {
+				adapter->macopts |= MAC_BCAST;
+			}
+			if (dev->flags & IFF_PROMISC) {
+				adapter->macopts |= MAC_PROMISC;
+			}
+			if (dev->flags & IFF_ALLMULTI) {
+				adapter->macopts |= MAC_ALLMCAST;
+			}
+			if (dev->flags & IFF_MULTICAST) {
+				adapter->macopts |= MAC_MCAST;
+			}
+		}
+		adapter->devflags_prev = dev->flags;
+		DBG_ERROR("%s call sxg_config_set adapter->macopts[%x]\n",
+			  __FUNCTION__, adapter->macopts);
+		sxg_config_set(adapter, TRUE);
+	} else {
+		if (status == STATUS_SUCCESS) {
+			sxg_mcast_set_mask(adapter);
+		}
+	}
+#endif
+	return;
+}
+
+static void sxg_mcast_set_mask(p_adapter_t adapter)
+{
+	PSXG_UCODE_REGS sxg_regs = adapter->UcodeRegs;
+
+	DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __FUNCTION__,
+		  adapter->netdev->name, (unsigned int) adapter->MacFilter,
+		  adapter->MulticastMask);
+
+	if (adapter->MacFilter & (MAC_ALLMCAST | MAC_PROMISC)) {
+		/* Turn on all multicast addresses. We have to do this for promiscuous
+		 * mode as well as ALLMCAST mode.  It saves the Microcode from having
+		 * to keep state about the MAC configuration.
+		 */
+//              DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n      SLUT MODE!!!\n",__FUNCTION__);
+		WRITE_REG(sxg_regs->McastLow, 0xFFFFFFFF, FLUSH);
+		WRITE_REG(sxg_regs->McastHigh, 0xFFFFFFFF, FLUSH);
+//        DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__FUNCTION__, adapter->netdev->name);
+
+	} else {
+		/* Commit our multicast mast to the SLIC by writing to the multicast
+		 * address mask registers
+		 */
+		DBG_ERROR("%s (%s) WRITE mcastlow[%lx] mcasthigh[%lx]\n",
+			  __FUNCTION__, adapter->netdev->name,
+			  ((ulong) (adapter->MulticastMask & 0xFFFFFFFF)),
+			  ((ulong)
+			   ((adapter->MulticastMask >> 32) & 0xFFFFFFFF)));
+
+		WRITE_REG(sxg_regs->McastLow,
+			  (u32) (adapter->MulticastMask & 0xFFFFFFFF),
+			  FLUSH);
+		WRITE_REG(sxg_regs->McastHigh,
+			  (u32) ((adapter->
+				      MulticastMask >> 32) & 0xFFFFFFFF),
+			  FLUSH);
+	}
+}
+
+static void sxg_unmap_mmio_space(p_adapter_t adapter)
+{
+#if LINUX_FREES_ADAPTER_RESOURCES
+//      if (adapter->Regs) {
+//              iounmap(adapter->Regs);
+//      }
+//      adapter->slic_regs = NULL;
+#endif
+}
+
+#if XXXTODO
+/*
+ * SxgFreeResources - Free everything allocated in SxgAllocateResources
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	none
+ */
+void SxgFreeResources(p_adapter_t adapter)
+{
+	u32 RssIds, IsrCount;
+	PTCP_OBJECT TcpObject;
+	u32 i;
+	BOOLEAN TimerCancelled;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FreeRes",
+		  adapter, adapter->MaxTcbs, 0, 0);
+
+	RssIds = SXG_RSS_CPU_COUNT(adapter);
+	IsrCount = adapter->MsiEnabled ? RssIds : 1;
+
+	if (adapter->BasicAllocations == FALSE) {
+		// No allocations have been made, including spinlocks,
+		// or listhead initializations.  Return.
+		return;
+	}
+
+	if (!(IsListEmpty(&adapter->AllRcvBlocks))) {
+		SxgFreeRcvBlocks(adapter);
+	}
+	if (!(IsListEmpty(&adapter->AllSglBuffers))) {
+		SxgFreeSglBuffers(adapter);
+	}
+	// Free event queues.
+	if (adapter->EventRings) {
+		pci_free_consistent(adapter->pcidev,
+				    sizeof(SXG_EVENT_RING) * RssIds,
+				    adapter->EventRings, adapter->PEventRings);
+	}
+	if (adapter->Isr) {
+		pci_free_consistent(adapter->pcidev,
+				    sizeof(u32) * IsrCount,
+				    adapter->Isr, adapter->PIsr);
+	}
+	if (adapter->XmtRingZeroIndex) {
+		pci_free_consistent(adapter->pcidev,
+				    sizeof(u32),
+				    adapter->XmtRingZeroIndex,
+				    adapter->PXmtRingZeroIndex);
+	}
+	if (adapter->IndirectionTable) {
+		pci_free_consistent(adapter->pcidev,
+				    SXG_MAX_RSS_TABLE_SIZE,
+				    adapter->IndirectionTable,
+				    adapter->PIndirectionTable);
+	}
+
+	SXG_FREE_PACKET_POOL(adapter->PacketPoolHandle);
+	SXG_FREE_BUFFER_POOL(adapter->BufferPoolHandle);
+
+	// Unmap register spaces
+	SxgUnmapResources(adapter);
+
+	// Deregister DMA
+	if (adapter->DmaHandle) {
+		SXG_DEREGISTER_DMA(adapter->DmaHandle);
+	}
+	// Deregister interrupt
+	SxgDeregisterInterrupt(adapter);
+
+	// Possibly free system info (5.2 only)
+	SXG_RELEASE_SYSTEM_INFO(adapter);
+
+	SxgDiagFreeResources(adapter);
+
+	SxgFreeMCastAddrs(adapter);
+
+	if (SXG_TIMER_ALLOCATED(adapter->ResetTimer)) {
+		SXG_CANCEL_TIMER(adapter->ResetTimer, TimerCancelled);
+		SXG_FREE_TIMER(adapter->ResetTimer);
+	}
+	if (SXG_TIMER_ALLOCATED(adapter->RssTimer)) {
+		SXG_CANCEL_TIMER(adapter->RssTimer, TimerCancelled);
+		SXG_FREE_TIMER(adapter->RssTimer);
+	}
+	if (SXG_TIMER_ALLOCATED(adapter->OffloadTimer)) {
+		SXG_CANCEL_TIMER(adapter->OffloadTimer, TimerCancelled);
+		SXG_FREE_TIMER(adapter->OffloadTimer);
+	}
+
+	adapter->BasicAllocations = FALSE;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFreeRes",
+		  adapter, adapter->MaxTcbs, 0, 0);
+}
+#endif
+
+/*
+ * sxg_allocate_complete -
+ *
+ * This routine is called when a memory allocation has completed.
+ *
+ * Arguments -
+ *	p_adapter_t    	- Our adapter structure
+ *	VirtualAddress	- Memory virtual address
+ *	PhysicalAddress	- Memory physical address
+ *	Length		- Length of memory allocated (or 0)
+ *	Context		- The type of buffer allocated
+ *
+ * Return
+ *	None.
+ */
+static void sxg_allocate_complete(p_adapter_t adapter,
+		      void *VirtualAddress,
+		      dma_addr_t PhysicalAddress,
+		      u32 Length, SXG_BUFFER_TYPE Context)
+{
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocCmp",
+		  adapter, VirtualAddress, Length, Context);
+	ASSERT(adapter->AllocationsPending);
+	--adapter->AllocationsPending;
+
+	switch (Context) {
+
+	case SXG_BUFFER_TYPE_RCV:
+		sxg_allocate_rcvblock_complete(adapter,
+					       VirtualAddress,
+					       PhysicalAddress, Length);
+		break;
+	case SXG_BUFFER_TYPE_SGL:
+		sxg_allocate_sgl_buffer_complete(adapter,
+						 (PSXG_SCATTER_GATHER)
+						 VirtualAddress,
+						 PhysicalAddress, Length);
+		break;
+	}
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlocCmp",
+		  adapter, VirtualAddress, Length, Context);
+}
+
+/*
+ * sxg_allocate_buffer_memory - Shared memory allocation routine used for
+ *		synchronous and asynchronous buffer allocations
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *	Size		- block size to allocate
+ *	BufferType	- Type of buffer to allocate
+ *
+ * Return
+ *	int
+ */
+static int sxg_allocate_buffer_memory(p_adapter_t adapter,
+			   u32 Size, SXG_BUFFER_TYPE BufferType)
+{
+	int status;
+	void * Buffer;
+	dma_addr_t pBuffer;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocMem",
+		  adapter, Size, BufferType, 0);
+	// Grab the adapter lock and check the state.
+	// If we're in anything other than INITIALIZING or
+	// RUNNING state, fail.  This is to prevent
+	// allocations in an improper driver state
+	spin_lock(&adapter->AdapterLock);
+
+	// Increment the AllocationsPending count while holding
+	// the lock.  Pause processing relies on this
+	++adapter->AllocationsPending;
+	spin_unlock(&adapter->AdapterLock);
+
+	// At initialization time allocate resources synchronously.
+	Buffer = pci_alloc_consistent(adapter->pcidev, Size, &pBuffer);
+	if (Buffer == NULL) {
+		spin_lock(&adapter->AdapterLock);
+		// Decrement the AllocationsPending count while holding
+		// the lock.  Pause processing relies on this
+		--adapter->AllocationsPending;
+		spin_unlock(&adapter->AdapterLock);
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlcMemF1",
+			  adapter, Size, BufferType, 0);
+		return (STATUS_RESOURCES);
+	}
+	sxg_allocate_complete(adapter, Buffer, pBuffer, Size, BufferType);
+	status = STATUS_SUCCESS;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlocMem",
+		  adapter, Size, BufferType, status);
+	return (status);
+}
+
+/*
+ * sxg_allocate_rcvblock_complete - Complete a receive descriptor block allocation
+ *
+ * Arguments -
+ *	adapter				- A pointer to our adapter structure
+ *	RcvBlock			- receive block virtual address
+ *	PhysicalAddress		- Physical address
+ *	Length				- Memory length
+ *
+ * Return
+ *
+ */
+static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
+			       void * RcvBlock,
+			       dma_addr_t PhysicalAddress, u32 Length)
+{
+	u32 i;
+	u32 BufferSize = adapter->ReceiveBufferSize;
+	u64 Paddr;
+	PSXG_RCV_BLOCK_HDR RcvBlockHdr;
+	unsigned char *RcvDataBuffer;
+	PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr;
+	PSXG_RCV_DESCRIPTOR_BLOCK RcvDescriptorBlock;
+	PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlRcvBlk",
+		  adapter, RcvBlock, Length, 0);
+	if (RcvBlock == NULL) {
+		goto fail;
+	}
+	memset(RcvBlock, 0, Length);
+	ASSERT((BufferSize == SXG_RCV_DATA_BUFFER_SIZE) ||
+	       (BufferSize == SXG_RCV_JUMBO_BUFFER_SIZE));
+	ASSERT(Length == SXG_RCV_BLOCK_SIZE(BufferSize));
+	// First, initialize the contained pool of receive data
+	// buffers.  This initialization requires NBL/NB/MDL allocations,
+	// If any of them fail, free the block and return without
+	// queueing the shared memory
+	RcvDataBuffer = RcvBlock;
+#if 0
+	for (i = 0, Paddr = *PhysicalAddress;
+	     i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
+	     i++, Paddr.LowPart += BufferSize, RcvDataBuffer += BufferSize)
+#endif
+		for (i = 0, Paddr = PhysicalAddress;
+		     i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
+		     i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) {
+			//
+			RcvDataBufferHdr =
+			    (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer +
+							SXG_RCV_DATA_BUFFER_HDR_OFFSET
+							(BufferSize));
+			RcvDataBufferHdr->VirtualAddress = RcvDataBuffer;
+			RcvDataBufferHdr->PhysicalAddress = Paddr;
+			RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM;	// For FREE macro assertion
+			RcvDataBufferHdr->Size =
+			    SXG_RCV_BUFFER_DATA_SIZE(BufferSize);
+
+			SXG_ALLOCATE_RCV_PACKET(adapter, RcvDataBufferHdr);
+			if (RcvDataBufferHdr->SxgDumbRcvPacket == NULL)
+				goto fail;
+
+		}
+
+	// Place this entire block of memory on the AllRcvBlocks queue so it can be
+	// free later
+	RcvBlockHdr =
+	    (PSXG_RCV_BLOCK_HDR) ((unsigned char *)RcvBlock +
+				  SXG_RCV_BLOCK_HDR_OFFSET(BufferSize));
+	RcvBlockHdr->VirtualAddress = RcvBlock;
+	RcvBlockHdr->PhysicalAddress = PhysicalAddress;
+	spin_lock(&adapter->RcvQLock);
+	adapter->AllRcvBlockCount++;
+	InsertTailList(&adapter->AllRcvBlocks, &RcvBlockHdr->AllList);
+	spin_unlock(&adapter->RcvQLock);
+
+	// Now free the contained receive data buffers that we initialized above
+	RcvDataBuffer = RcvBlock;
+	for (i = 0, Paddr = PhysicalAddress;
+	     i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
+	     i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) {
+		RcvDataBufferHdr = (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer +
+							       SXG_RCV_DATA_BUFFER_HDR_OFFSET
+							       (BufferSize));
+		spin_lock(&adapter->RcvQLock);
+		SXG_FREE_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr);
+		spin_unlock(&adapter->RcvQLock);
+	}
+
+	// Locate the descriptor block and put it on a separate free queue
+	RcvDescriptorBlock = (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock +
+							  SXG_RCV_DESCRIPTOR_BLOCK_OFFSET
+							  (BufferSize));
+	RcvDescriptorBlockHdr =
+	    (PSXG_RCV_DESCRIPTOR_BLOCK_HDR) ((unsigned char *)RcvBlock +
+					     SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET
+					     (BufferSize));
+	RcvDescriptorBlockHdr->VirtualAddress = RcvDescriptorBlock;
+	RcvDescriptorBlockHdr->PhysicalAddress = Paddr;
+	spin_lock(&adapter->RcvQLock);
+	SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter, RcvDescriptorBlockHdr);
+	spin_unlock(&adapter->RcvQLock);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlRBlk",
+		  adapter, RcvBlock, Length, 0);
+	return;
+      fail:
+	// Free any allocated resources
+	if (RcvBlock) {
+		RcvDataBuffer = RcvBlock;
+		for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
+		     i++, RcvDataBuffer += BufferSize) {
+			RcvDataBufferHdr =
+			    (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer +
+							SXG_RCV_DATA_BUFFER_HDR_OFFSET
+							(BufferSize));
+			SXG_FREE_RCV_PACKET(RcvDataBufferHdr);
+		}
+		pci_free_consistent(adapter->pcidev,
+				    Length, RcvBlock, PhysicalAddress);
+	}
+	DBG_ERROR("%s: OUT OF RESOURCES\n", __FUNCTION__);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "RcvAFail",
+		  adapter, adapter->FreeRcvBufferCount,
+		  adapter->FreeRcvBlockCount, adapter->AllRcvBlockCount);
+	adapter->Stats.NoMem++;
+}
+
+/*
+ * sxg_allocate_sgl_buffer_complete - Complete a SGL buffer allocation
+ *
+ * Arguments -
+ *	adapter				- A pointer to our adapter structure
+ *	SxgSgl				- SXG_SCATTER_GATHER buffer
+ *	PhysicalAddress		- Physical address
+ *	Length				- Memory length
+ *
+ * Return
+ *
+ */
+static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter,
+				 PSXG_SCATTER_GATHER SxgSgl,
+				 dma_addr_t PhysicalAddress, u32 Length)
+{
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlSglCmp",
+		  adapter, SxgSgl, Length, 0);
+	spin_lock(&adapter->SglQLock);
+	adapter->AllSglBufferCount++;
+	memset(SxgSgl, 0, sizeof(SXG_SCATTER_GATHER));
+	SxgSgl->PhysicalAddress = PhysicalAddress;	/* *PhysicalAddress; */
+	SxgSgl->adapter = adapter;	// Initialize backpointer once
+	InsertTailList(&adapter->AllSglBuffers, &SxgSgl->AllList);
+	spin_unlock(&adapter->SglQLock);
+	SxgSgl->State = SXG_BUFFER_BUSY;
+	SXG_FREE_SGL_BUFFER(adapter, SxgSgl, NULL);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlSgl",
+		  adapter, SxgSgl, Length, 0);
+}
+
+static unsigned char temp_mac_address[6] = { 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 };
+
+static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
+{
+//  DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __FUNCTION__,
+//             card->config_set, adapter->port, adapter->physport, adapter->functionnumber);
+//
+//  sxg_dbg_macaddrs(adapter);
+
+	memcpy(adapter->macaddr, temp_mac_address, sizeof(SXG_CONFIG_MAC));
+//      DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __FUNCTION__);
+//      sxg_dbg_macaddrs(adapter);
+	if (!(adapter->currmacaddr[0] ||
+	      adapter->currmacaddr[1] ||
+	      adapter->currmacaddr[2] ||
+	      adapter->currmacaddr[3] ||
+	      adapter->currmacaddr[4] || adapter->currmacaddr[5])) {
+		memcpy(adapter->currmacaddr, adapter->macaddr, 6);
+	}
+	if (adapter->netdev) {
+		memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, 6);
+	}
+//  DBG_ERROR ("%s EXIT port %d\n", __FUNCTION__, adapter->port);
+	sxg_dbg_macaddrs(adapter);
+
+}
+
+static int sxg_mac_set_address(p_net_device dev, void * ptr)
+{
+#if XXXTODO
+	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	struct sockaddr *addr = ptr;
+
+	DBG_ERROR("%s ENTER (%s)\n", __FUNCTION__, adapter->netdev->name);
+
+	if (netif_running(dev)) {
+		return -EBUSY;
+	}
+	if (!adapter) {
+		return -EBUSY;
+	}
+	DBG_ERROR("sxg: %s (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		  __FUNCTION__, adapter->netdev->name, adapter->currmacaddr[0],
+		  adapter->currmacaddr[1], adapter->currmacaddr[2],
+		  adapter->currmacaddr[3], adapter->currmacaddr[4],
+		  adapter->currmacaddr[5]);
+	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+	memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
+	DBG_ERROR("sxg: %s (%s) new %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
+		  __FUNCTION__, adapter->netdev->name, adapter->currmacaddr[0],
+		  adapter->currmacaddr[1], adapter->currmacaddr[2],
+		  adapter->currmacaddr[3], adapter->currmacaddr[4],
+		  adapter->currmacaddr[5]);
+
+	sxg_config_set(adapter, TRUE);
+#endif
+	return 0;
+}
+
+/*****************************************************************************/
+/*************  SXG DRIVER FUNCTIONS  (below) ********************************/
+/*****************************************************************************/
+
+/*
+ * sxg_initialize_adapter - Initialize adapter
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	int
+ */
+static int sxg_initialize_adapter(p_adapter_t adapter)
+{
+	u32 RssIds, IsrCount;
+	u32 i;
+	int status;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitAdpt",
+		  adapter, 0, 0, 0);
+
+	RssIds = 1;		//  XXXTODO  SXG_RSS_CPU_COUNT(adapter);
+	IsrCount = adapter->MsiEnabled ? RssIds : 1;
+
+	// Sanity check SXG_UCODE_REGS structure definition to
+	// make sure the length is correct
+	ASSERT(sizeof(SXG_UCODE_REGS) == SXG_REGISTER_SIZE_PER_CPU);
+
+	// Disable interrupts
+	SXG_DISABLE_ALL_INTERRUPTS(adapter);
+
+	// Set MTU
+	ASSERT((adapter->FrameSize == ETHERMAXFRAME) ||
+	       (adapter->FrameSize == JUMBOMAXFRAME));
+	WRITE_REG(adapter->UcodeRegs[0].LinkMtu, adapter->FrameSize, TRUE);
+
+	// Set event ring base address and size
+	WRITE_REG64(adapter,
+		    adapter->UcodeRegs[0].EventBase, adapter->PEventRings, 0);
+	WRITE_REG(adapter->UcodeRegs[0].EventSize, EVENT_RING_SIZE, TRUE);
+
+	// Per-ISR initialization
+	for (i = 0; i < IsrCount; i++) {
+		u64 Addr;
+		// Set interrupt status pointer
+		Addr = adapter->PIsr + (i * sizeof(u32));
+		WRITE_REG64(adapter, adapter->UcodeRegs[i].Isp, Addr, i);
+	}
+
+	// XMT ring zero index
+	WRITE_REG64(adapter,
+		    adapter->UcodeRegs[0].SPSendIndex,
+		    adapter->PXmtRingZeroIndex, 0);
+
+	// Per-RSS initialization
+	for (i = 0; i < RssIds; i++) {
+		// Release all event ring entries to the Microcode
+		WRITE_REG(adapter->UcodeRegs[i].EventRelease, EVENT_RING_SIZE,
+			  TRUE);
+	}
+
+	// Transmit ring base and size
+	WRITE_REG64(adapter,
+		    adapter->UcodeRegs[0].XmtBase, adapter->PXmtRings, 0);
+	WRITE_REG(adapter->UcodeRegs[0].XmtSize, SXG_XMT_RING_SIZE, TRUE);
+
+	// Receive ring base and size
+	WRITE_REG64(adapter,
+		    adapter->UcodeRegs[0].RcvBase, adapter->PRcvRings, 0);
+	WRITE_REG(adapter->UcodeRegs[0].RcvSize, SXG_RCV_RING_SIZE, TRUE);
+
+	// Populate the card with receive buffers
+	sxg_stock_rcv_buffers(adapter);
+
+	// Initialize checksum offload capabilities.  At the moment
+	// we always enable IP and TCP receive checksums on the card.
+	// Depending on the checksum configuration specified by the
+	// user, we can choose to report or ignore the checksum
+	// information provided by the card.
+	WRITE_REG(adapter->UcodeRegs[0].ReceiveChecksum,
+		  SXG_RCV_TCP_CSUM_ENABLED | SXG_RCV_IP_CSUM_ENABLED, TRUE);
+
+	// Initialize the MAC, XAUI
+	DBG_ERROR("sxg: %s ENTER sxg_initialize_link\n", __FUNCTION__);
+	status = sxg_initialize_link(adapter);
+	DBG_ERROR("sxg: %s EXIT sxg_initialize_link status[%x]\n", __FUNCTION__,
+		  status);
+	if (status != STATUS_SUCCESS) {
+		return (status);
+	}
+	// Initialize Dead to FALSE.
+	// SlicCheckForHang or SlicDumpThread will take it from here.
+	adapter->Dead = FALSE;
+	adapter->PingOutstanding = FALSE;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XInit",
+		  adapter, 0, 0, 0);
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * sxg_fill_descriptor_block - Populate a descriptor block and give it to
+ * the card.  The caller should hold the RcvQLock
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *  RcvDescriptorBlockHdr	- Descriptor block to fill
+ *
+ * Return
+ *	status
+ */
+static int sxg_fill_descriptor_block(p_adapter_t adapter,
+			  PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr)
+{
+	u32 i;
+	PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo;
+	PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr;
+	PSXG_RCV_DESCRIPTOR_BLOCK RcvDescriptorBlock;
+	PSXG_CMD RingDescriptorCmd;
+	PSXG_RCV_RING RingZero = &adapter->RcvRings[0];
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "FilBlk",
+		  adapter, adapter->RcvBuffersOnCard,
+		  adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount);
+
+	ASSERT(RcvDescriptorBlockHdr);
+
+	// If we don't have the resources to fill the descriptor block,
+	// return failure
+	if ((adapter->FreeRcvBufferCount < SXG_RCV_DESCRIPTORS_PER_BLOCK) ||
+	    SXG_RING_FULL(RcvRingInfo)) {
+		adapter->Stats.NoMem++;
+		return (STATUS_FAILURE);
+	}
+	// Get a ring descriptor command
+	SXG_GET_CMD(RingZero,
+		    RcvRingInfo, RingDescriptorCmd, RcvDescriptorBlockHdr);
+	ASSERT(RingDescriptorCmd);
+	RcvDescriptorBlockHdr->State = SXG_BUFFER_ONCARD;
+	RcvDescriptorBlock =
+	    (PSXG_RCV_DESCRIPTOR_BLOCK) RcvDescriptorBlockHdr->VirtualAddress;
+
+	// Fill in the descriptor block
+	for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; i++) {
+		SXG_GET_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr);
+		ASSERT(RcvDataBufferHdr);
+		SXG_REINIATIALIZE_PACKET(RcvDataBufferHdr->SxgDumbRcvPacket);
+		RcvDataBufferHdr->State = SXG_BUFFER_ONCARD;
+		RcvDescriptorBlock->Descriptors[i].VirtualAddress = (void *)RcvDataBufferHdr;
+		RcvDescriptorBlock->Descriptors[i].PhysicalAddress =
+		    RcvDataBufferHdr->PhysicalAddress;
+	}
+	// Add the descriptor block to receive descriptor ring 0
+	RingDescriptorCmd->Sgl = RcvDescriptorBlockHdr->PhysicalAddress;
+
+	// RcvBuffersOnCard is not protected via the receive lock (see
+	// sxg_process_event_queue) We don't want to grap a lock every time a
+	// buffer is returned to us, so we use atomic interlocked functions
+	// instead.
+	adapter->RcvBuffersOnCard += SXG_RCV_DESCRIPTORS_PER_BLOCK;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DscBlk",
+		  RcvDescriptorBlockHdr,
+		  RingDescriptorCmd, RcvRingInfo->Head, RcvRingInfo->Tail);
+
+	WRITE_REG(adapter->UcodeRegs[0].RcvCmd, 1, true);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFilBlk",
+		  adapter, adapter->RcvBuffersOnCard,
+		  adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount);
+	return (STATUS_SUCCESS);
+}
+
+/*
+ * sxg_stock_rcv_buffers - Stock the card with receive buffers
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *
+ * Return
+ *	None
+ */
+static void sxg_stock_rcv_buffers(p_adapter_t adapter)
+{
+	PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "StockBuf",
+		  adapter, adapter->RcvBuffersOnCard,
+		  adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount);
+	// First, see if we've got less than our minimum threshold of
+	// receive buffers, there isn't an allocation in progress, and
+	// we haven't exceeded our maximum.. get another block of buffers
+	// None of this needs to be SMP safe.  It's round numbers.
+	if ((adapter->FreeRcvBufferCount < SXG_MIN_RCV_DATA_BUFFERS) &&
+	    (adapter->AllRcvBlockCount < SXG_MAX_RCV_BLOCKS) &&
+	    (adapter->AllocationsPending == 0)) {
+		sxg_allocate_buffer_memory(adapter,
+					   SXG_RCV_BLOCK_SIZE(adapter->
+							      ReceiveBufferSize),
+					   SXG_BUFFER_TYPE_RCV);
+	}
+	// Now grab the RcvQLock lock and proceed
+	spin_lock(&adapter->RcvQLock);
+	while (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) {
+		PLIST_ENTRY _ple;
+
+		// Get a descriptor block
+		RcvDescriptorBlockHdr = NULL;
+		if (adapter->FreeRcvBlockCount) {
+			_ple = RemoveHeadList(&adapter->FreeRcvBlocks);
+			RcvDescriptorBlockHdr = container_of(_ple, SXG_RCV_DESCRIPTOR_BLOCK_HDR, FreeList);
+			adapter->FreeRcvBlockCount--;
+			RcvDescriptorBlockHdr->State = SXG_BUFFER_BUSY;
+		}
+
+		if (RcvDescriptorBlockHdr == NULL) {
+			// Bail out..
+			adapter->Stats.NoMem++;
+			break;
+		}
+		// Fill in the descriptor block and give it to the card
+		if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) ==
+		    STATUS_FAILURE) {
+			// Free the descriptor block
+			SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter,
+						      RcvDescriptorBlockHdr);
+			break;
+		}
+	}
+	spin_unlock(&adapter->RcvQLock);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XFilBlks",
+		  adapter, adapter->RcvBuffersOnCard,
+		  adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount);
+}
+
+/*
+ * sxg_complete_descriptor_blocks - Return descriptor blocks that have been
+ * completed by the microcode
+ *
+ * Arguments -
+ *	adapter		- A pointer to our adapter structure
+ *	Index		- Where the microcode is up to
+ *
+ * Return
+ *	None
+ */
+static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index)
+{
+	PSXG_RCV_RING RingZero = &adapter->RcvRings[0];
+	PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo;
+	PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr;
+	PSXG_CMD RingDescriptorCmd;
+
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpRBlks",
+		  adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail);
+
+	// Now grab the RcvQLock lock and proceed
+	spin_lock(&adapter->RcvQLock);
+	ASSERT(Index != RcvRingInfo->Tail);
+	while (RcvRingInfo->Tail != Index) {
+		//
+		// Locate the current Cmd (ring descriptor entry), and
+		// associated receive descriptor block, and advance
+		// the tail
+		//
+		SXG_RETURN_CMD(RingZero,
+			       RcvRingInfo,
+			       RingDescriptorCmd, RcvDescriptorBlockHdr);
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpRBlk",
+			  RcvRingInfo->Head, RcvRingInfo->Tail,
+			  RingDescriptorCmd, RcvDescriptorBlockHdr);
+
+		// Clear the SGL field
+		RingDescriptorCmd->Sgl = 0;
+		// Attempt to refill it and hand it right back to the
+		// card.  If we fail to refill it, free the descriptor block
+		// header.  The card will be restocked later via the
+		// RcvBuffersOnCard test
+		if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) ==
+		    STATUS_FAILURE) {
+			SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter,
+						      RcvDescriptorBlockHdr);
+		}
+	}
+	spin_unlock(&adapter->RcvQLock);
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XCRBlks",
+		  adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail);
+}
+
+
+static struct pci_driver sxg_driver = {
+	.name = DRV_NAME,
+	.id_table = sxg_pci_tbl,
+	.probe = sxg_entry_probe,
+	.remove = sxg_entry_remove,
+#if SXG_POWER_MANAGEMENT_ENABLED
+	.suspend = sxgpm_suspend,
+	.resume = sxgpm_resume,
+#endif
+/*    .shutdown   =     slic_shutdown,  MOOK_INVESTIGATE */
+};
+
+static int __init sxg_module_init(void)
+{
+	sxg_init_driver();
+
+	if (debug >= 0)
+		sxg_debug = debug;
+
+	return pci_register_driver(&sxg_driver);
+}
+
+static void __exit sxg_module_cleanup(void)
+{
+	pci_unregister_driver(&sxg_driver);
+}
+
+module_init(sxg_module_init);
+module_exit(sxg_module_cleanup);
diff --git a/drivers/staging/sxg/sxg.h b/drivers/staging/sxg/sxg.h
new file mode 100644
index 00000000000..844ca56f280
--- /dev/null
+++ b/drivers/staging/sxg/sxg.h
@@ -0,0 +1,773 @@
+/**************************************************************************
+ *
+ * Copyright © 2000-2008 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: sxg.h,v 1.3 2008/07/24 17:25:08 chris Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: sxg.h
+ *
+ * This is the base set of header definitions for the SXG driver.
+ */
+#ifndef __SXG_DRIVER_H__
+#define __SXG_DRIVER_H__
+
+#define p_net_device struct net_device *
+// SXG_STATS - Probably move these to someplace where
+// the slicstat (sxgstat?) program can get them.
+typedef struct _SXG_STATS {
+	// Xmt
+	u32				XmtNBL;				// Offload send NBL count
+	u64				DumbXmtBytes;		// Dumbnic send bytes
+	u64				SlowXmtBytes;		// Slowpath send bytes
+	u64				FastXmtBytes;		// Fastpath send bytes
+	u64				DumbXmtPkts;		// Dumbnic send packets
+	u64				SlowXmtPkts;		// Slowpath send packets
+	u64				FastXmtPkts;		// Fastpath send packets
+    u64				DumbXmtUcastPkts;	// directed packets
+    u64				DumbXmtMcastPkts;	// Multicast packets
+    u64				DumbXmtBcastPkts;	// OID_GEN_BROADCAST_FRAMES_RCV
+    u64				DumbXmtUcastBytes;	// OID_GEN_DIRECTED_BYTES_XMIT
+    u64				DumbXmtMcastBytes;	// OID_GEN_MULTICAST_BYTES_XMIT
+    u64				DumbXmtBcastBytes;	// OID_GEN_BROADCAST_BYTES_XMIT
+    u64				XmtErrors;			// OID_GEN_XMIT_ERROR
+    u64				XmtDiscards;		// OID_GEN_XMIT_DISCARDS
+	u64				XmtOk;				// OID_GEN_XMIT_OK
+	u64				XmtQLen;			// OID_GEN_TRANSMIT_QUEUE_LENGTH
+	u64				XmtZeroFull;		// Transmit ring zero full
+	// Rcv
+	u32				RcvNBL;				// Offload recieve NBL count
+	u64				DumbRcvBytes;		// dumbnic recv bytes
+    u64             DumbRcvUcastBytes;	// OID_GEN_DIRECTED_BYTES_RCV
+    u64             DumbRcvMcastBytes;	// OID_GEN_MULTICAST_BYTES_RCV
+    u64             DumbRcvBcastBytes;	// OID_GEN_BROADCAST_BYTES_RCV
+	u64				SlowRcvBytes;		// Slowpath recv bytes
+	u64				FastRcvBytes;		// Fastpath recv bytes
+    u64				DumbRcvPkts;		// OID_GEN_DIRECTED_FRAMES_RCV
+	u64				DumbRcvTcpPkts;		// See SxgCollectStats
+    u64				DumbRcvUcastPkts;	// directed packets
+    u64				DumbRcvMcastPkts;	// Multicast packets
+    u64				DumbRcvBcastPkts;	// OID_GEN_BROADCAST_FRAMES_RCV
+	u64				SlowRcvPkts;		// OID_GEN_DIRECTED_FRAMES_RCV
+    u64				RcvErrors;			// OID_GEN_RCV_ERROR
+    u64				RcvDiscards;		// OID_GEN_RCV_DISCARDS
+	u64				RcvNoBuffer;		// OID_GEN_RCV_NO_BUFFER
+    u64 			PdqFull;			// Processed Data Queue Full
+	u64				EventRingFull;		// Event ring full
+	// Verbose stats
+	u64				MaxSends;			// Max sends outstanding
+	u64				NoSglBuf;			// SGL buffer allocation failure
+	u64				SglFail;			// NDIS SGL failure
+	u64				SglAsync;			// NDIS SGL failure
+	u64				NoMem;				// Memory allocation failure
+	u64				NumInts;			// Interrupts
+	u64				FalseInts;			// Interrupt with ISR == 0
+	u64				XmtDrops;			// No sahara DRAM buffer for xmt
+	// Sahara receive status
+	u64				TransportCsum;		// SXG_RCV_STATUS_TRANSPORT_CSUM
+	u64				TransportUflow;		// SXG_RCV_STATUS_TRANSPORT_UFLOW
+	u64				TransportHdrLen;	// SXG_RCV_STATUS_TRANSPORT_HDRLEN
+	u64				NetworkCsum;		// SXG_RCV_STATUS_NETWORK_CSUM:
+	u64				NetworkUflow;		// SXG_RCV_STATUS_NETWORK_UFLOW:
+	u64				NetworkHdrLen;		// SXG_RCV_STATUS_NETWORK_HDRLEN:
+	u64				Parity;				// SXG_RCV_STATUS_PARITY
+	u64				LinkParity;			// SXG_RCV_STATUS_LINK_PARITY:
+	u64				LinkEarly;			// SXG_RCV_STATUS_LINK_EARLY:
+	u64				LinkBufOflow;		// SXG_RCV_STATUS_LINK_BUFOFLOW:
+	u64				LinkCode;			// SXG_RCV_STATUS_LINK_CODE:
+	u64				LinkDribble;		// SXG_RCV_STATUS_LINK_DRIBBLE:
+	u64				LinkCrc;			// SXG_RCV_STATUS_LINK_CRC:
+	u64				LinkOflow;			// SXG_RCV_STATUS_LINK_OFLOW:
+	u64				LinkUflow;			// SXG_RCV_STATUS_LINK_UFLOW:
+} SXG_STATS, *PSXG_STATS;
+
+
+/****************************************************************************
+ * DUMB-NIC Send path definitions
+ ****************************************************************************/
+
+#define SXG_COMPLETE_DUMB_SEND(_pAdapt, _skb) {                     		    	\
+	ASSERT(_skb);													    			\
+    dev_kfree_skb_irq(_skb);                                                        \
+}
+
+#define SXG_DROP_DUMB_SEND(_pAdapt, _skb) {                           		    	\
+	ASSERT(_skb);													    			\
+    dev_kfree_skb(_skb);                                                            \
+}
+
+// Locate current receive header buffer location.  Use this
+// instead of RcvDataHdr->VirtualAddress since the data
+// may have been offset by SXG_ADVANCE_MDL_OFFSET
+#define SXG_RECEIVE_DATA_LOCATION(_RcvDataHdr)        (_RcvDataHdr)->skb->data
+
+/************************************************************************
+ * Dumb-NIC receive processing
+ ************************************************************************/
+// Define an SXG_PACKET as an NDIS_PACKET
+#define PSXG_PACKET       struct sk_buff *
+// Indications array size
+#define SXG_RCV_ARRAYSIZE	64
+
+#define SXG_ALLOCATE_RCV_PACKET(_pAdapt, _RcvDataBufferHdr) {				\
+	struct sk_buff * skb;												    \
+    skb = alloc_skb(2048, GFP_ATOMIC);                                      \
+    if (skb) {                                                              \
+    	(_RcvDataBufferHdr)->skb = skb;                                     \
+        skb->next = NULL;                                                   \
+    } else {                                                                \
+    	(_RcvDataBufferHdr)->skb = NULL;                                    \
+    }                                                                       \
+}
+
+#define SXG_FREE_RCV_PACKET(_RcvDataBufferHdr) {							\
+	if((_RcvDataBufferHdr)->skb) {											\
+		dev_kfree_skb((_RcvDataBufferHdr)->skb);						    \
+    }                                                                       \
+}
+
+// Macro to add a NDIS_PACKET to an indication array
+// If we fill up our array of packet pointers, then indicate this
+// block up now and start on a new one.
+#define	SXG_ADD_RCV_PACKET(_pAdapt, _Packet, _PrevPacket, _IndicationList, _NumPackets) { \
+	(_IndicationList)[_NumPackets] = (_Packet);										\
+	(_NumPackets)++;																\
+	if((_NumPackets) == SXG_RCV_ARRAYSIZE) {										\
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "IndicRcv",				\
+				   (_NumPackets), 0, 0, 0);											\
+        netif_rx((_IndicationList),(_NumPackets));                                  \
+		(_NumPackets) = 0;															\
+	}																				\
+}
+
+#define SXG_INDICATE_PACKETS(_pAdapt, _IndicationList, _NumPackets) {			\
+	if(_NumPackets) {															\
+		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "IndicRcv",			\
+				   (_NumPackets), 0, 0, 0);										\
+        netif_rx((_IndicationList),(_NumPackets));                              \
+		(_NumPackets) = 0;														\
+	}																			\
+}
+
+#define SXG_REINIATIALIZE_PACKET(_Packet)										\
+	{}  /*_NdisReinitializePacket(_Packet)*/  /*  this is not necessary with an skb */
+
+// Definitions to initialize Dumb-nic Receive NBLs
+#define SXG_RCV_PACKET_BUFFER_HDR(_Packet) (((PSXG_RCV_NBL_RESERVED)((_Packet)->MiniportReservedEx))->RcvDataBufferHdr)
+
+#define SXG_RCV_SET_CHECKSUM_INFO(_Packet, _Cpi)	\
+	NDIS_PER_PACKET_INFO_FROM_PACKET((_Packet), TcpIpChecksumPacketInfo) = (PVOID)(_Cpi)
+
+#define SXG_RCV_SET_TOEPLITZ(_Packet, _Toeplitz, _Type, _Function) {		\
+	NDIS_PACKET_SET_HASH_VALUE((_Packet), (_Toeplitz));						\
+	NDIS_PACKET_SET_HASH_TYPE((_Packet), (_Type));							\
+	NDIS_PACKET_SET_HASH_FUNCTION((_Packet), (_Function));					\
+}
+
+#define SXG_RCV_SET_VLAN_INFO(_Packet, _VlanId, _Priority) {					\
+	NDIS_PACKET_8021Q_INFO	_Packet8021qInfo;									\
+	_Packet8021qInfo.TagHeader.VlanId = (_VlanId);								\
+	_Packet8021qInfo.TagHeader.UserPriority = (_Priority);						\
+	NDIS_PER_PACKET_INFO_FROM_PACKET((_Packet), Ieee8021QNetBufferListInfo) = 	\
+		_Packet8021qInfo.Value;													\
+}
+
+#define SXG_ADJUST_RCV_PACKET(_Packet, _RcvDataBufferHdr, _Event) {			\
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbRcv",			\
+			   (_RcvDataBufferHdr), (_Packet),								\
+			   (_Event)->Status, 0);	                    				\
+	ASSERT((_Event)->Length <= (_RcvDataBufferHdr)->Size);					\
+    Packet->len = (_Event)->Length;                                         \
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Macros to free a receive data buffer and receive data descriptor block
+///////////////////////////////////////////////////////////////////////////////
+// NOTE - Lock must be held with RCV macros
+#define SXG_GET_RCV_DATA_BUFFER(_pAdapt, _Hdr) {								\
+	PLIST_ENTRY     				_ple;										\
+	_Hdr = NULL;																\
+	if((_pAdapt)->FreeRcvBufferCount) {											\
+		ASSERT(!(IsListEmpty(&(_pAdapt)->FreeRcvBuffers)));						\
+		_ple = RemoveHeadList(&(_pAdapt)->FreeRcvBuffers);	    				\
+		(_Hdr) = container_of(_ple, SXG_RCV_DATA_BUFFER_HDR, FreeList);	        \
+		(_pAdapt)->FreeRcvBufferCount--;										\
+		ASSERT((_Hdr)->State == SXG_BUFFER_FREE);								\
+	}																			\
+}
+
+#define SXG_FREE_RCV_DATA_BUFFER(_pAdapt, _Hdr) {							\
+	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RtnDHdr",			\
+			   (_Hdr), (_pAdapt)->FreeRcvBufferCount,						\
+			   (_Hdr)->State, (_Hdr)->VirtualAddress);						\
+/*	SXG_RESTORE_MDL_OFFSET(_Hdr);	*/										\
+	(_pAdapt)->FreeRcvBufferCount++;										\
+	ASSERT(((_pAdapt)->AllRcvBlockCount * SXG_RCV_DESCRIPTORS_PER_BLOCK) >= (_pAdapt)->FreeRcvBufferCount); \
+	ASSERT((_Hdr)->State != SXG_BUFFER_FREE);								\
+	(_Hdr)->State = SXG_BUFFER_FREE;										\
+	InsertTailList(&(_pAdapt)->FreeRcvBuffers, &((_Hdr)->FreeList));		\
+}
+
+#define SXG_FREE_RCV_DESCRIPTOR_BLOCK(_pAdapt, _Hdr) {						\
+	ASSERT((_Hdr)->State != SXG_BUFFER_FREE);								\
+	(_Hdr)->State = SXG_BUFFER_FREE;										\
+	(_pAdapt)->FreeRcvBlockCount++;											\
+	ASSERT((_pAdapt)->AllRcvBlockCount >= (_pAdapt)->FreeRcvBlockCount);	\
+	InsertTailList(&(_pAdapt)->FreeRcvBlocks, &(_Hdr)->FreeList);			\
+}
+
+// SGL macros
+#define SXG_FREE_SGL_BUFFER(_pAdapt, _Sgl, _NB) {	\
+	spin_lock(&(_pAdapt)->SglQLock);		\
+	(_pAdapt)->FreeSglBufferCount++;		\
+	ASSERT((_pAdapt)->AllSglBufferCount >= (_pAdapt)->FreeSglBufferCount);\
+	ASSERT(!((_Sgl)->State & SXG_BUFFER_FREE));	\
+	(_Sgl)->State = SXG_BUFFER_FREE;		\
+	InsertTailList(&(_pAdapt)->FreeSglBuffers, &(_Sgl)->FreeList);	\
+	spin_unlock(&(_pAdapt)->SglQLock);		\
+}
+
+// Get an SGL buffer from the free queue.  The first part of this macro
+// attempts to keep ahead of buffer depletion by allocating more when
+// we hit a minimum threshold.  Note that we don't grab the lock
+// until after that.  We're dealing with round numbers here, so we don't need to,
+// and not grabbing it avoids a possible double-trip.
+#define SXG_GET_SGL_BUFFER(_pAdapt, _Sgl) {				\
+	PLIST_ENTRY _ple;						\
+	if ((_pAdapt->FreeSglBufferCount < SXG_MIN_SGL_BUFFERS) &&	\
+	   (_pAdapt->AllSglBufferCount < SXG_MAX_SGL_BUFFERS) &&	\
+	   (_pAdapt->AllocationsPending == 0)) {			\
+		sxg_allocate_buffer_memory(_pAdapt,			\
+			(sizeof(SXG_SCATTER_GATHER) + SXG_SGL_BUF_SIZE),\
+			SXG_BUFFER_TYPE_SGL);				\
+	}								\
+	_Sgl = NULL;							\
+	spin_lock(&(_pAdapt)->SglQLock);				\
+	if((_pAdapt)->FreeSglBufferCount) {				\
+		ASSERT(!(IsListEmpty(&(_pAdapt)->FreeSglBuffers)));	\
+		_ple = RemoveHeadList(&(_pAdapt)->FreeSglBuffers);	\
+		(_Sgl) = container_of(_ple, SXG_SCATTER_GATHER, FreeList); \
+            (_pAdapt)->FreeSglBufferCount--;				\
+		ASSERT((_Sgl)->State == SXG_BUFFER_FREE);		\
+		(_Sgl)->State = SXG_BUFFER_BUSY;			\
+		(_Sgl)->pSgl = NULL;					\
+	}								\
+	spin_unlock(&(_pAdapt)->SglQLock);				\
+}
+
+//
+// SXG_MULTICAST_ADDRESS
+//
+// Linked list of multicast addresses.
+typedef struct _SXG_MULTICAST_ADDRESS {
+	unsigned char							Address[6];
+	struct _SXG_MULTICAST_ADDRESS	*Next;
+} SXG_MULTICAST_ADDRESS, *PSXG_MULTICAST_ADDRESS;
+
+// Structure to maintain chimney send and receive buffer queues.
+// This structure maintains NET_BUFFER_LIST queues that are
+// given to us via the Chimney MiniportTcpOffloadSend and
+// MiniportTcpOffloadReceive routines.  This structure DOES NOT
+// manage our data buffer queue
+typedef struct _SXG_BUFFER_QUEUE {
+	u32						Type;			// Slow or fast - See below
+	u32						Direction;		// Xmt or Rcv
+	u32						Bytes;			// Byte count
+	u32 *        			Head;			// Send queue head
+	u32 *        			Tail;			// Send queue tail
+//	PNET_BUFFER_LIST			NextNBL;		// Short cut - next NBL
+//	PNET_BUFFER					NextNB;			// Short cut - next NB
+} SXG_BUFFER_QUEUE, *PSXG_BUFFER_QUEUE;
+
+#define		SXG_SLOW_SEND_BUFFER	0
+#define		SXG_FAST_SEND_BUFFER	1
+#define 	SXG_RECEIVE_BUFFER		2
+
+#define SXG_INIT_BUFFER(_Buffer, _Type) { 						\
+	(_Buffer)->Type = (_Type);									\
+	if((_Type) == SXG_RECEIVE_BUFFER) {							\
+		(_Buffer)->Direction = 0;								\
+	} else {													\
+		(_Buffer)->Direction = NDIS_SG_LIST_WRITE_TO_DEVICE;	\
+	}															\
+	(_Buffer)->Bytes = 0;										\
+	(_Buffer)->Head = NULL;										\
+	(_Buffer)->Tail = NULL;										\
+}
+
+
+#define SXG_RSS_CPU_COUNT(_pAdapt) 								\
+	((_pAdapt)->RssEnabled 	?  NR_CPUS : 1)
+
+/****************************************************************************
+ * DRIVER and ADAPTER structures
+ ****************************************************************************/
+
+// Adapter states - These states closely match the adapter states
+// documented in the DDK (with a few exceptions).
+typedef enum _SXG_STATE {
+	SXG_STATE_INITIALIZING,			// Initializing
+	SXG_STATE_BOOTDIAG,				// Boot-Diagnostic mode
+	SXG_STATE_PAUSING,				// Pausing
+	SXG_STATE_PAUSED,				// Paused
+	SXG_STATE_RUNNING,				// Running
+	SXG_STATE_RESETTING,			// Reset in progress
+	SXG_STATE_SLEEP,				// Sleeping
+	SXG_STATE_DIAG,					// Diagnostic mode
+	SXG_STATE_HALTING,				// Halting
+	SXG_STATE_HALTED,				// Down or not-initialized
+	SXG_STATE_SHUTDOWN				// shutdown
+} SXG_STATE, *PSXG_STATE;
+
+// Link state
+typedef enum _SXG_LINK_STATE {
+	SXG_LINK_DOWN,
+	SXG_LINK_UP
+} SXG_LINK_STATE, *PSXG_LINK_STATE;
+
+// Link initialization timeout in 100us units
+#define SXG_LINK_TIMEOUT	100000		// 10 Seconds - REDUCE!
+
+
+// Microcode file selection codes
+typedef enum _SXG_UCODE_SEL {
+	SXG_UCODE_SAHARA,				// Sahara ucode
+	SXG_UCODE_SDIAGCPU,				// Sahara CPU diagnostic ucode
+	SXG_UCODE_SDIAGSYS				// Sahara system diagnostic ucode
+} SXG_UCODE_SEL;
+
+
+#define SXG_DISABLE_ALL_INTERRUPTS(_padapt) sxg_disable_interrupt(_padapt)
+#define SXG_ENABLE_ALL_INTERRUPTS(_padapt) sxg_enable_interrupt(_padapt)
+
+// This probably lives in a proto.h file.  Move later
+#define SXG_MULTICAST_PACKET(_pether) ((_pether)->ether_dhost[0] & 0x01)
+#define SXG_BROADCAST_PACKET(_pether) ((*(u32 *)(_pether)->ether_dhost == 0xFFFFFFFF) && \
+				(*(u16 *)&(_pether)->ether_dhost[4] == 0xFFFF))
+
+// For DbgPrints
+#define SXG_ID      DPFLTR_IHVNETWORK_ID
+#define SXG_ERROR   DPFLTR_ERROR_LEVEL
+
+//
+// SXG_DRIVER structure -
+//
+// contains information about the sxg driver.  There is only
+// one of these, and it is defined as a global.
+typedef struct _SXG_DRIVER {
+	struct _adapter_t	*Adapters;		// Linked list of adapters
+	ushort				AdapterID;		// Maintain unique adapter ID
+} SXG_DRIVER, *PSXG_DRIVER;
+
+#ifdef STATUS_SUCCESS
+#undef STATUS_SUCCESS
+#endif
+
+#define STATUS_SUCCESS              0
+#define STATUS_PENDING              0
+#define STATUS_FAILURE             -1
+#define STATUS_ERROR               -2
+#define STATUS_NOT_SUPPORTED       -3
+#define STATUS_BUFFER_TOO_SHORT    -4
+#define STATUS_RESOURCES           -5
+
+#define SLIC_MAX_CARDS              32
+#define SLIC_MAX_PORTS              4        /* Max # of ports per card   */
+#if SLIC_DUMP_ENABLED
+// Dump buffer size
+//
+// This cannot be bigger than the max DMA size the card supports,
+// given the current code structure in the host and ucode.
+// Mojave supports 16K, Oasis supports 16K-1, so
+// just set this at 15K, shouldnt make that much of a diff.
+#define DUMP_BUF_SIZE               0x3C00
+#endif
+
+#define MIN(a, b) ((u32)(a) < (u32)(b) ? (a) : (b))
+#define MAX(a, b) ((u32)(a) > (u32)(b) ? (a) : (b))
+
+typedef struct _mcast_address_t
+{
+    unsigned char                     address[6];
+    struct _mcast_address_t   *next;
+}  mcast_address_t, *p_mcast_address_t;
+
+#define CARD_DOWN        0x00000000
+#define CARD_UP          0x00000001
+#define CARD_FAIL        0x00000002
+#define CARD_DIAG        0x00000003
+#define CARD_SLEEP       0x00000004
+
+#define ADAPT_DOWN             0x00
+#define ADAPT_UP               0x01
+#define ADAPT_FAIL             0x02
+#define ADAPT_RESET            0x03
+#define ADAPT_SLEEP            0x04
+
+#define ADAPT_FLAGS_BOOTTIME            0x0001
+#define ADAPT_FLAGS_IS64BIT             0x0002
+#define ADAPT_FLAGS_PENDINGLINKDOWN     0x0004
+#define ADAPT_FLAGS_FIBERMEDIA          0x0008
+#define ADAPT_FLAGS_LOCKS_ALLOCED       0x0010
+#define ADAPT_FLAGS_INT_REGISTERED      0x0020
+#define ADAPT_FLAGS_LOAD_TIMER_SET      0x0040
+#define ADAPT_FLAGS_STATS_TIMER_SET     0x0080
+#define ADAPT_FLAGS_RESET_TIMER_SET     0x0100
+
+#define LINK_DOWN              0x00
+#define LINK_CONFIG            0x01
+#define LINK_UP                0x02
+
+#define LINK_10MB              0x00
+#define LINK_100MB             0x01
+#define LINK_AUTOSPEED         0x02
+#define LINK_1000MB            0x03
+#define LINK_10000MB           0x04
+
+#define LINK_HALFD             0x00
+#define LINK_FULLD             0x01
+#define LINK_AUTOD             0x02
+
+#define MAC_DIRECTED     0x00000001
+#define MAC_BCAST        0x00000002
+#define MAC_MCAST        0x00000004
+#define MAC_PROMISC      0x00000008
+#define MAC_LOOPBACK     0x00000010
+#define MAC_ALLMCAST     0x00000020
+
+#define SLIC_DUPLEX(x)    ((x==LINK_FULLD) ? "FDX" : "HDX")
+#define SLIC_SPEED(x)     ((x==LINK_100MB) ? "100Mb" : ((x==LINK_1000MB) ? "1000Mb" : " 10Mb"))
+#define SLIC_LINKSTATE(x) ((x==LINK_DOWN) ? "Down" : "Up  ")
+#define SLIC_ADAPTER_STATE(x) ((x==ADAPT_UP) ? "UP" : "Down")
+#define SLIC_CARD_STATE(x)    ((x==CARD_UP) ? "UP" : "Down")
+
+
+typedef struct _ether_header
+{
+    unsigned char    ether_dhost[6];
+    unsigned char    ether_shost[6];
+    ushort   ether_type;
+} ether_header, *p_ether_header;
+
+
+#define NUM_CFG_SPACES      2
+#define NUM_CFG_REGS        64
+
+typedef struct _physcard_t
+{
+    struct _adapter_t  *adapter[SLIC_MAX_PORTS];
+    struct _physcard_t *next;
+    unsigned int                adapters_allocd;
+} physcard_t, *p_physcard_t;
+
+typedef struct _sxgbase_driver
+{
+	spinlock_t	driver_lock;
+	unsigned long	flags;	/* irqsave for spinlock */
+	u32		num_sxg_cards;
+	u32		num_sxg_ports;
+	u32		num_sxg_ports_active;
+	u32		dynamic_intagg;
+	p_physcard_t	phys_card;
+} sxgbase_driver_t;
+
+
+typedef struct _adapter_t
+{
+	void *               ifp;
+	unsigned int                port;
+	p_physcard_t        physcard;
+	unsigned int                physport;
+	unsigned int                cardindex;
+	unsigned int                card_size;
+	unsigned int                chipid;
+	unsigned int                busnumber;
+	unsigned int                slotnumber;
+	unsigned int                functionnumber;
+	ushort              vendid;
+	ushort              devid;
+	ushort              subsysid;
+	u32             irq;
+
+	void *               sxg_adapter;
+	u32             nBusySend;
+
+	void __iomem *	base_addr;
+	u32             memorylength;
+	u32             drambase;
+	u32             dramlength;
+	unsigned int                queues_initialized;
+	unsigned int                allocated;
+	unsigned int                activated;
+	u32             intrregistered;
+	unsigned int                isp_initialized;
+	unsigned int                gennumber;
+	u32             curaddrupper;
+	u32             isrcopy;
+	unsigned char               state;
+	unsigned char               linkstate;
+	unsigned char               linkspeed;
+	unsigned char               linkduplex;
+	unsigned int                flags;
+	unsigned char               macaddr[6];
+	unsigned char               currmacaddr[6];
+	u32             macopts;
+	ushort              devflags_prev;
+	u64             mcastmask;
+	p_mcast_address_t   mcastaddrs;
+	struct timer_list   pingtimer;
+	u32             pingtimerset;
+	struct timer_list   statstimer;
+	u32             statstimerset;
+	struct timer_list   vpci_timer;
+	u32             vpci_timerset;
+	struct timer_list   loadtimer;
+	u32             loadtimerset;
+
+	u32             xmitq_full;
+	u32             all_reg_writes;
+	u32             icr_reg_writes;
+	u32             isr_reg_writes;
+	u32             error_interrupts;
+	u32             error_rmiss_interrupts;
+	u32             rx_errors;
+	u32             rcv_drops;
+	u32             rcv_interrupts;
+	u32             xmit_interrupts;
+	u32             linkevent_interrupts;
+	u32             upr_interrupts;
+	u32             num_isrs;
+	u32             false_interrupts;
+	u32             tx_packets;
+	u32             xmit_completes;
+	u32             tx_drops;
+	u32             rcv_broadcasts;
+	u32             rcv_multicasts;
+	u32             rcv_unicasts;
+	u32             max_isr_rcvs;
+	u32             max_isr_xmits;
+	u32             rcv_interrupt_yields;
+	u32             intagg_period;
+	struct net_device_stats stats;
+	u32 *					MiniportHandle;		// Our miniport handle
+	SXG_STATE					State;				// Adapter state
+	SXG_LINK_STATE				LinkState;			// Link state
+	u64						LinkSpeed;			// Link Speed
+	u32						PowerState;			// NDIS power state
+	struct _adapter_t   		*Next;				// Linked list
+	ushort						AdapterID;			// 1..n
+	unsigned char						MacAddr[6];			// Our permanent HW mac address
+	unsigned char						CurrMacAddr[6];		// Our Current mac address
+	p_net_device                netdev;
+	p_net_device                next_netdevice;
+	struct pci_dev            * pcidev;
+
+	PSXG_MULTICAST_ADDRESS		MulticastAddrs;		// Multicast list
+	u64     				MulticastMask;		// Multicast mask
+	u32 *					InterruptHandle;	// Register Interrupt handle
+	u32						InterruptLevel;		// From Resource list
+	u32						InterruptVector;	// From Resource list
+	spinlock_t	AdapterLock;	/* Serialize access adapter routines */
+	spinlock_t	Bit64RegLock;	/* For writing 64-bit addresses */
+	PSXG_HW_REGS				HwRegs;				// Sahara HW Register Memory (BAR0/1)
+	PSXG_UCODE_REGS				UcodeRegs;			// Microcode Register Memory (BAR2/3)
+	PSXG_TCB_REGS				TcbRegs;			// Same as Ucode regs - See sxghw.h
+	ushort						ResetDpcCount;		// For timeout
+	ushort						RssDpcCount;		// For timeout
+	ushort						VendorID;			// Vendor ID
+	ushort						DeviceID;			// Device ID
+	ushort						SubSystemID;		// Sub-System ID
+	ushort						FrameSize;			// Maximum frame size
+	u32 *					DmaHandle;			// NDIS DMA handle
+	u32 *					PacketPoolHandle;	// Used with NDIS 5.2 only.  Don't ifdef out
+	u32 *					BufferPoolHandle;	// Used with NDIS 5.2 only.  Don't ifdef out
+	u32						MacFilter;			// NDIS MAC Filter
+	ushort						IpId;				// For slowpath
+	PSXG_EVENT_RING				EventRings;			// Host event rings.  1/CPU to 16 max
+	dma_addr_t              	PEventRings;		// Physical address
+	u32						NextEvent[SXG_MAX_RSS];	// Current location in ring
+	dma_addr_t          		PTcbBuffers;		// TCB Buffers - physical address
+	dma_addr_t	            	PTcbCompBuffers;	// TCB Composite Buffers - phys addr
+	PSXG_XMT_RING				XmtRings;			// Transmit rings
+	dma_addr_t		            PXmtRings;			// Transmit rings - physical address
+	SXG_RING_INFO				XmtRingZeroInfo;	// Transmit ring 0 info
+	spinlock_t	XmtZeroLock;	/* Transmit ring 0 lock */
+	u32 *					XmtRingZeroIndex;	// Shared XMT ring 0 index
+	dma_addr_t          		PXmtRingZeroIndex;	// Shared XMT ring 0 index - physical
+	LIST_ENTRY					FreeProtocolHeaders;// Free protocol headers
+	u32						FreeProtoHdrCount;	// Count
+	void *						ProtocolHeaders;	// Block of protocol header
+	dma_addr_t	            	PProtocolHeaders;	// Block of protocol headers - phys
+
+	PSXG_RCV_RING				RcvRings;			// Receive rings
+	dma_addr_t	            	PRcvRings;			// Receive rings - physical address
+	SXG_RING_INFO				RcvRingZeroInfo;	// Receive ring 0 info
+
+	u32 *					Isr;				// Interrupt status register
+	dma_addr_t	            	PIsr;				// ISR - physical address
+	u32						IsrCopy[SXG_MAX_RSS];	// Copy of ISR
+	ushort						InterruptsEnabled;	// Bitmask of enabled vectors
+	unsigned char *						IndirectionTable;	// RSS indirection table
+	dma_addr_t	            	PIndirectionTable;	// Physical address
+	ushort						RssTableSize;		// From NDIS_RECEIVE_SCALE_PARAMETERS
+	ushort						HashKeySize;		// From NDIS_RECEIVE_SCALE_PARAMETERS
+	unsigned char						HashSecretKey[40];	// rss key
+	u32						HashInformation;
+	// Receive buffer queues
+	spinlock_t	RcvQLock;	/* Receive Queue Lock */
+	LIST_ENTRY					FreeRcvBuffers;		// Free SXG_DATA_BUFFER queue
+	LIST_ENTRY					FreeRcvBlocks;		// Free SXG_RCV_DESCRIPTOR_BLOCK Q
+	LIST_ENTRY					AllRcvBlocks;		// All SXG_RCV_BLOCKs
+	ushort						FreeRcvBufferCount;	// Number of free rcv data buffers
+	ushort						FreeRcvBlockCount;	// # of free rcv descriptor blocks
+	ushort						AllRcvBlockCount;	// Number of total receive blocks
+	ushort						ReceiveBufferSize;	// SXG_RCV_DATA/JUMBO_BUFFER_SIZE only
+	u32						AllocationsPending;	// Receive allocation pending
+	u32						RcvBuffersOnCard;	// SXG_DATA_BUFFERS owned by card
+	// SGL buffers
+	spinlock_t	SglQLock;	/* SGL Queue Lock */
+	LIST_ENTRY					FreeSglBuffers;		// Free SXG_SCATTER_GATHER
+	LIST_ENTRY					AllSglBuffers;		// All SXG_SCATTER_GATHER
+	ushort						FreeSglBufferCount;	// Number of free SGL buffers
+	ushort						AllSglBufferCount;	// Number of total SGL buffers
+	u32						CurrentTime;		// Tick count
+	u32						FastpathConnections;// # of fastpath connections
+	// Various single-bit flags:
+	u32						BasicAllocations:1;	// Locks and listheads
+	u32						IntRegistered:1;	// Interrupt registered
+	u32						PingOutstanding:1;	// Ping outstanding to card
+	u32						Dead:1;				// Card dead
+	u32						DumpDriver:1;		// OID_SLIC_DRIVER_DUMP request
+	u32						DumpCard:1;			// OID_SLIC_CARD_DUMP request
+	u32						DumpCmdRunning:1;	// Dump command in progress
+	u32						DebugRunning:1;		// AGDB debug in progress
+	u32						JumboEnabled:1;		// Jumbo frames enabled
+	u32						MsiEnabled:1;		// MSI interrupt enabled
+	u32						RssEnabled:1;		// RSS Enabled
+	u32						FailOnBadEeprom:1;	// Fail on Bad Eeprom
+	u32						DiagStart:1;		// Init adapter for diagnostic start
+	// Stats
+	u32						PendingRcvCount;	// Outstanding rcv indications
+	u32						PendingXmtCount;	// Outstanding send requests
+	SXG_STATS					Stats;				// Statistics
+	u32						ReassBufs;			// Number of reassembly buffers
+	// Card Crash Info
+	ushort						CrashLocation;		// Microcode crash location
+	unsigned char						CrashCpu;			// Sahara CPU ID
+	// Diagnostics
+	//	PDIAG_CMD					DiagCmds;			// List of free diagnostic commands
+	//	PDIAG_BUFFER				DiagBuffers;		// List of free diagnostic buffers
+	//	PDIAG_REQ					DiagReqQ;			// List of outstanding (asynchronous) diag requests
+	//	u32						DiagCmdTimeout;		// Time out for diag cmds (seconds) XXXTODO - replace with SXG_PARAM var?
+	//	unsigned char						DiagDmaDesc[DMA_CPU_CTXS];		// Free DMA descriptors bit field (32 CPU ctx * 8 DMA ctx)
+
+	/////////////////////////////////////////////////////////////////////
+	// Put preprocessor-conditional fields at the end so we don't
+	// have to recompile sxgdbg everytime we reconfigure the driver
+	/////////////////////////////////////////////////////////////////////
+	void *						PendingSetRss;		// Pending RSS parameter change
+	u32						IPv4HdrSize;		// Shared 5.2/6.0 encap param
+	unsigned char *          			InterruptInfo;		// Allocated by us during AddDevice
+#if defined(CONFIG_X86)
+	u32						AddrUpper;			// Upper 32 bits of 64-bit register
+#endif
+	//#if SXG_FAILURE_DUMP
+	//	NDIS_EVENT					DumpThreadEvent;	// syncronize dump thread
+	//	BOOLEAN						DumpThreadRunning;	// termination flag
+	//	PSXG_DUMP_CMD				DumpBuffer;			// 68k - Cmd and Buffer
+	//	dma_addr_t		PDumpBuffer;		// Physical address
+	//#endif // SXG_FAILURE_DUMP
+
+} adapter_t, *p_adapter_t;
+
+#if SLIC_DUMP_ENABLED
+#define SLIC_DUMP_REQUESTED      1
+#define SLIC_DUMP_IN_PROGRESS    2
+#define SLIC_DUMP_DONE           3
+
+/****************************************************************************
+ *
+ * Microcode crash information structure.  This
+ * structure is written out to the card's SRAM when the microcode panic's.
+ *
+ ****************************************************************************/
+typedef struct _slic_crash_info {
+    ushort  cpu_id;
+    ushort  crash_pc;
+} slic_crash_info, *p_slic_crash_info;
+
+#define CRASH_INFO_OFFSET   0x155C
+
+#endif
+
+#define UPDATE_STATS(largestat, newstat, oldstat)                        \
+{                                                                        \
+    if ((newstat) < (oldstat))                                           \
+        (largestat) += ((newstat) + (0xFFFFFFFF - oldstat + 1));         \
+    else                                                                 \
+        (largestat) += ((newstat) - (oldstat));                          \
+}
+
+#define UPDATE_STATS_GB(largestat, newstat, oldstat)                     \
+{                                                                        \
+    (largestat) += ((newstat) - (oldstat));                              \
+}
+
+#define ETHER_EQ_ADDR(_AddrA, _AddrB, _Result)                           \
+{                                                                        \
+    _Result = TRUE;                                                      \
+    if (*(u32 *)(_AddrA) != *(u32 *)(_AddrB))                      \
+        _Result = FALSE;                                                 \
+    if (*(u16 *)(&((_AddrA)[4])) != *(u16 *)(&((_AddrB)[4])))        \
+        _Result = FALSE;                                                 \
+}
+
+#define ETHERMAXFRAME   1514
+#define JUMBOMAXFRAME   9014
+
+#if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
+#define   SXG_GET_ADDR_LOW(_addr)  (u32)((u64)(_addr) & 0x00000000FFFFFFFF)
+#define   SXG_GET_ADDR_HIGH(_addr)  (u32)(((u64)(_addr) >> 32) & 0x00000000FFFFFFFF)
+#else
+#define   SXG_GET_ADDR_LOW(_addr)   (u32)_addr
+#define   SXG_GET_ADDR_HIGH(_addr)  (u32)0
+#endif
+
+#define FLUSH       TRUE
+#define DONT_FLUSH  FALSE
+
+#define SIOCSLICDUMPCARD         SIOCDEVPRIVATE+9
+#define SIOCSLICSETINTAGG        SIOCDEVPRIVATE+10
+#define SIOCSLICTRACEDUMP        SIOCDEVPRIVATE+11
+
+#endif /*  __SXG_DRIVER_H__ */
diff --git a/drivers/staging/sxg/sxg_os.h b/drivers/staging/sxg/sxg_os.h
new file mode 100644
index 00000000000..26fb0ffafa5
--- /dev/null
+++ b/drivers/staging/sxg/sxg_os.h
@@ -0,0 +1,154 @@
+/**************************************************************************
+ *
+ * Copyright (C) 2000-2008 Alacritech, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: sxg_os.h
+ *
+ * These are the Linux-specific definitions required for the SLICOSS
+ * driver, which should allow for greater portability to other OSes.
+ */
+#ifndef _SLIC_OS_SPECIFIC_H_
+#define _SLIC_OS_SPECIFIC_H_
+
+#define FALSE	(0)
+#define TRUE	(1)
+
+
+typedef struct _LIST_ENTRY {
+	struct _LIST_ENTRY *nle_flink;
+	struct _LIST_ENTRY *nle_blink;
+} list_entry, LIST_ENTRY, *PLIST_ENTRY;
+
+#define InitializeListHead(l)                   \
+        (l)->nle_flink = (l)->nle_blink = (l)
+
+#define IsListEmpty(h)                          \
+        ((h)->nle_flink == (h))
+
+#define RemoveEntryList(e)                      \
+        do {                                    \
+                list_entry              *b;     \
+                list_entry              *f;     \
+                                                \
+                f = (e)->nle_flink;             \
+                b = (e)->nle_blink;             \
+                b->nle_flink = f;               \
+                f->nle_blink = b;               \
+        } while (0)
+
+/* These two have to be inlined since they return things. */
+
+static __inline PLIST_ENTRY
+RemoveHeadList(list_entry *l)
+{
+        list_entry              *f;
+        list_entry              *e;
+
+        e = l->nle_flink;
+        f = e->nle_flink;
+        l->nle_flink = f;
+        f->nle_blink = l;
+
+        return (e);
+}
+
+static __inline PLIST_ENTRY
+RemoveTailList(list_entry *l)
+{
+        list_entry              *b;
+        list_entry              *e;
+
+        e = l->nle_blink;
+        b = e->nle_blink;
+        l->nle_blink = b;
+        b->nle_flink = l;
+
+        return (e);
+}
+
+
+#define InsertTailList(l, e)                    \
+        do {                                    \
+                list_entry              *b;     \
+                                                \
+                b = (l)->nle_blink;             \
+                (e)->nle_flink = (l);           \
+                (e)->nle_blink = b;             \
+                b->nle_flink = (e);             \
+                (l)->nle_blink = (e);           \
+        } while (0)
+
+#define InsertHeadList(l, e)                    \
+        do {                                    \
+                list_entry              *f;     \
+                                                \
+                f = (l)->nle_flink;             \
+                (e)->nle_flink = f;             \
+                (e)->nle_blink = l;             \
+                f->nle_blink = (e);             \
+                (l)->nle_flink = (e);           \
+        } while (0)
+
+
+#define ATK_DEBUG  1
+
+#if ATK_DEBUG
+#define SLIC_TIMESTAMP(value) {                                             \
+        struct timeval  timev;                                              \
+        do_gettimeofday(&timev);                                            \
+        value = timev.tv_sec*1000000 + timev.tv_usec;                       \
+}
+#else
+#define SLIC_TIMESTAMP(value)
+#endif
+
+
+/******************  SXG DEFINES  *****************************************/
+
+#ifdef  ATKDBG
+#define SXG_TIMESTAMP(value) {                                             \
+        struct timeval  timev;                                              \
+        do_gettimeofday(&timev);                                            \
+        value = timev.tv_sec*1000000 + timev.tv_usec;                       \
+}
+#else
+#define SXG_TIMESTAMP(value)
+#endif
+
+#define WRITE_REG(reg,value,flush)                  sxg_reg32_write((&reg), (value), (flush))
+#define WRITE_REG64(a,reg,value,cpu)                sxg_reg64_write((a),(&reg),(value),(cpu))
+#define READ_REG(reg,value)   (value) = readl((void __iomem *)(&reg))
+
+#endif  /* _SLIC_OS_SPECIFIC_H_  */
+
diff --git a/drivers/staging/sxg/sxgdbg.h b/drivers/staging/sxg/sxgdbg.h
new file mode 100644
index 00000000000..cfb6c7c77a9
--- /dev/null
+++ b/drivers/staging/sxg/sxgdbg.h
@@ -0,0 +1,190 @@
+/**************************************************************************
+ *
+ * Copyright © 2000-2008 Alacritech, Inc.  All rights reserved.
+ *
+ * $Id: sxgdbg.h,v 1.1 2008/06/27 12:49:28 mook Exp $
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation
+ * are those of the authors and should not be interpreted as representing
+ * official policies, either expressed or implied, of Alacritech, Inc.
+ *
+ **************************************************************************/
+
+/*
+ * FILENAME: sxgdbg.h
+ *
+ * All debug and assertion-based definitions and macros are included
+ * in this file for the SXGOSS driver.
+ */
+#ifndef _SXG_DEBUG_H_
+#define _SXG_DEBUG_H_
+
+#define ATKDBG  1
+#define ATK_TRACE_ENABLED 1
+
+#define DBG_ERROR(n, args...)	printk(KERN_EMERG n, ##args)
+
+#ifdef ASSERT
+#undef ASSERT
+#endif
+
+#ifdef SXG_ASSERT_ENABLED
+#ifndef ASSERT
+#define ASSERT(a)                                                                 \
+    {                                                                             \
+        if (!(a)) {                                                               \
+            DBG_ERROR("ASSERT() Failure: file %s, function %s  line %d\n",\
+                __FILE__, __FUNCTION__, __LINE__);                                \
+        }                                                                         \
+    }
+#endif
+#else
+#ifndef ASSERT
+#define ASSERT(a)
+#endif
+#endif /* SXG_ASSERT_ENABLED  */
+
+
+#ifdef ATKDBG
+/*
+ *  Global for timer granularity; every driver must have an instance
+ *  of this initialized to 0
+ */
+
+extern ulong ATKTimerDiv;
+
+/*
+ * trace_entry_t -
+ *
+ * This structure defines an entry in the trace buffer.  The
+ * first few fields mean the same from entry to entry, while
+ * the meaning of last several fields change to suit the
+ * needs of the trace entry.  Typically they are function call
+ * parameters.
+ */
+typedef struct _trace_entry_s {
+        char      name[8];        /* 8 character name - like 's'i'm'b'a'r'c'v' */
+        u32   time;           /* Current clock tic */
+        unsigned char     cpu;            /* Current CPU */
+        unsigned char     irql;           /* Current IRQL */
+        unsigned char     driver;         /* The driver which added the trace call */
+        unsigned char     pad2;           /* pad to 4 byte boundary - will probably get used */
+        u32   arg1;           /* Caller arg1 */
+        u32   arg2;           /* Caller arg2 */
+        u32   arg3;           /* Caller arg3 */
+        u32   arg4;           /* Caller arg4 */
+} trace_entry_t, *ptrace_entry_t;
+
+/*
+ * Driver types for driver field in trace_entry_t
+ */
+#define TRACE_SXG             1
+#define TRACE_VPCI            2
+#define TRACE_SLIC            3
+
+#define TRACE_ENTRIES   1024
+
+typedef struct _sxg_trace_buffer_t
+{
+        unsigned int                    size;                  /* aid for windbg extension */
+        unsigned int                    in;                    /* Where to add */
+        unsigned int                    level;                 /* Current Trace level */
+	spinlock_t	lock;                  /* For MP tracing */
+        trace_entry_t           entries[TRACE_ENTRIES];/* The circular buffer */
+} sxg_trace_buffer_t;
+
+/*
+ * The trace levels
+ *
+ * XXX At the moment I am only defining critical, important, and noisy.
+ * I am leaving room for more if anyone wants them.
+ */
+#define TRACE_NONE              0   /* For trace level - if no tracing wanted */
+#define TRACE_CRITICAL          1   /* minimal tracing - only critical stuff */
+#define TRACE_IMPORTANT         5   /* more tracing - anything important */
+#define TRACE_NOISY             10  /* Everything in the world */
+
+
+/**********************************************************************
+ *
+ * The macros themselves -
+ *
+ *********************************************************************/
+#if ATK_TRACE_ENABLED
+#define SXG_TRACE_INIT(buffer, tlevel)				\
+{								\
+	memset((buffer), 0, sizeof(sxg_trace_buffer_t));	\
+	(buffer)->level = (tlevel);				\
+	(buffer)->size = TRACE_ENTRIES;				\
+	spin_lock_init(&(buffer)->lock);			\
+}
+#else
+#define SXG_TRACE_INIT(buffer, tlevel)
+#endif
+
+/*
+ * The trace macro.  This is active only if ATK_TRACE_ENABLED is set.
+ */
+#if ATK_TRACE_ENABLED
+#define SXG_TRACE(tdriver, buffer, tlevel, tname, a1, a2, a3, a4) {        \
+        if ((buffer) && ((buffer)->level >= (tlevel))) {                      \
+                unsigned int            trace_irql = 0;    /* ?????? FIX THIS  */    \
+                unsigned int            trace_len;                                   \
+                ptrace_entry_t  trace_entry;                                 \
+                struct timeval  timev;                                       \
+                                                                             \
+                spin_lock(&(buffer)->lock);                       \
+                trace_entry = &(buffer)->entries[(buffer)->in];              \
+                do_gettimeofday(&timev);                                     \
+                                                                             \
+                memset(trace_entry->name, 0, 8);                             \
+                trace_len = strlen(tname);                                   \
+                trace_len = trace_len > 8 ? 8 : trace_len;                   \
+                memcpy(trace_entry->name, (tname), trace_len);               \
+                trace_entry->time = timev.tv_usec;                           \
+                trace_entry->cpu = (unsigned char)(smp_processor_id() & 0xFF);       \
+                trace_entry->driver = (tdriver);                             \
+                trace_entry->irql = trace_irql;                              \
+                trace_entry->arg1 = (ulong)(a1);                             \
+                trace_entry->arg2 = (ulong)(a2);                             \
+                trace_entry->arg3 = (ulong)(a3);                             \
+                trace_entry->arg4 = (ulong)(a4);                             \
+                                                                             \
+                (buffer)->in++;                                              \
+                if ((buffer)->in == TRACE_ENTRIES)                           \
+                        (buffer)->in = 0;                                    \
+                                                                             \
+                spin_unlock(&(buffer)->lock);                       \
+        }                                                                    \
+}
+#else
+#define SXG_TRACE(tdriver, buffer, tlevel, tname, a1, a2, a3, a4)
+#endif
+
+#endif
+
+#endif  /*  _SXG_DEBUG_H_  */
diff --git a/drivers/staging/sxg/sxghif.h b/drivers/staging/sxg/sxghif.h
new file mode 100644
index 00000000000..ed26ceaa131
--- /dev/null
+++ b/drivers/staging/sxg/sxghif.h
@@ -0,0 +1,861 @@
+/*
+ * Copyright © 1997-2007 Alacritech, Inc. All rights reserved
+ *
+ * $Id: sxghif.h,v 1.5 2008/07/24 19:18:22 chris Exp $
+ *
+ * sxghif.h:
+ *
+ * This file contains structures and definitions for the
+ * Alacritech Sahara host interface
+ */
+
+/*******************************************************************************
+ * UCODE Registers
+ *******************************************************************************/
+typedef struct _SXG_UCODE_REGS {
+	// Address 0 - 0x3F = Command codes 0-15 for TCB 0.  Excode 0
+	u32		Icr;			// Code = 0 (extended), ExCode = 0 - Int control
+	u32		RsvdReg1;		// Code = 1 - TOE -NA
+	u32		RsvdReg2;		// Code = 2 - TOE -NA
+	u32		RsvdReg3;		// Code = 3 - TOE -NA
+	u32		RsvdReg4;		// Code = 4 - TOE -NA
+	u32		RsvdReg5;		// Code = 5 - TOE -NA
+	u32		CardUp;			// Code = 6 - Microcode initialized when 1
+	u32		RsvdReg7;		// Code = 7 - TOE -NA
+	u32		CodeNotUsed[8];		// Codes 8-15 not used.  ExCode = 0
+	// This brings us to ExCode 1 at address 0x40 = Interrupt status pointer
+	u32		Isp;			// Code = 0 (extended), ExCode = 1
+	u32		PadEx1[15];		// Codes 1-15 not used with extended codes
+	// ExCode 2 = Interrupt Status Register
+	u32		Isr;			// Code = 0 (extended), ExCode = 2
+	u32		PadEx2[15];
+	// ExCode 3 = Event base register.  Location of event rings
+	u32		EventBase;		// Code = 0 (extended), ExCode = 3
+	u32		PadEx3[15];
+	// ExCode 4 = Event ring size
+	u32		EventSize;		// Code = 0 (extended), ExCode = 4
+	u32		PadEx4[15];
+	// ExCode 5 = TCB Buffers base address
+	u32		TcbBase;		// Code = 0 (extended), ExCode = 5
+	u32		PadEx5[15];
+	// ExCode 6 = TCB Composite Buffers base address
+	u32		TcbCompBase;		// Code = 0 (extended), ExCode = 6
+	u32		PadEx6[15];
+	// ExCode 7 = Transmit ring base address
+	u32		XmtBase;		// Code = 0 (extended), ExCode = 7
+	u32		PadEx7[15];
+	// ExCode 8 = Transmit ring size
+	u32		XmtSize;		// Code = 0 (extended), ExCode = 8
+	u32		PadEx8[15];
+	// ExCode 9 = Receive ring base address
+	u32		RcvBase;		// Code = 0 (extended), ExCode = 9
+	u32		PadEx9[15];
+	// ExCode 10 = Receive ring size
+	u32		RcvSize;		// Code = 0 (extended), ExCode = 10
+	u32		PadEx10[15];
+	// ExCode 11 = Read EEPROM Config
+	u32		Config;			// Code = 0 (extended), ExCode = 11
+	u32		PadEx11[15];
+	// ExCode 12 = Multicast bits 31:0
+	u32		McastLow;		// Code = 0 (extended), ExCode = 12
+	u32		PadEx12[15];
+	// ExCode 13 = Multicast bits 63:32
+	u32		McastHigh;		// Code = 0 (extended), ExCode = 13
+	u32		PadEx13[15];
+	// ExCode 14 = Ping
+	u32		Ping;			// Code = 0 (extended), ExCode = 14
+	u32		PadEx14[15];
+	// ExCode 15 = Link MTU
+	u32		LinkMtu;		// Code = 0 (extended), ExCode = 15
+	u32		PadEx15[15];
+	// ExCode 16 = Download synchronization
+	u32		LoadSync;		// Code = 0 (extended), ExCode = 16
+	u32		PadEx16[15];
+	// ExCode 17 = Upper DRAM address bits on 32-bit systems
+	u32		Upper;			// Code = 0 (extended), ExCode = 17
+	u32		PadEx17[15];
+	// ExCode 18 = Slowpath Send Index Address
+	u32		SPSendIndex;		// Code = 0 (extended), ExCode = 18
+	u32		PadEx18[15];
+	u32		RsvdXF;			// Code = 0 (extended), ExCode = 19
+	u32		PadEx19[15];
+	// ExCode 20 = Aggregation
+	u32		Aggregation;		// Code = 0 (extended), ExCode = 20
+	u32		PadEx20[15];
+	// ExCode 21 = Receive MDL push timer
+	u32		PushTicks;		// Code = 0 (extended), ExCode = 21
+	u32		PadEx21[15];
+	// ExCode 22 = TOE NA
+	u32		AckFrequency;		// Code = 0 (extended), ExCode = 22
+	u32		PadEx22[15];
+	// ExCode 23 = TOE NA
+	u32		RsvdReg23;
+	u32		PadEx23[15];
+	// ExCode 24 = TOE NA
+	u32		RsvdReg24;
+	u32		PadEx24[15];
+	// ExCode 25 = TOE NA
+	u32		RsvdReg25;		// Code = 0 (extended), ExCode = 25
+	u32		PadEx25[15];
+	// ExCode 26 = Receive checksum requirements
+	u32		ReceiveChecksum;	// Code = 0 (extended), ExCode = 26
+	u32		PadEx26[15];
+	// ExCode 27 = RSS Requirements
+	u32		Rss;			// Code = 0 (extended), ExCode = 27
+	u32		PadEx27[15];
+	// ExCode 28 = RSS Table
+	u32		RssTable;		// Code = 0 (extended), ExCode = 28
+	u32		PadEx28[15];
+	// ExCode 29 = Event ring release entries
+	u32		EventRelease;		// Code = 0 (extended), ExCode = 29
+	u32		PadEx29[15];
+	// ExCode 30 = Number of receive bufferlist commands on ring 0
+	u32		RcvCmd;			// Code = 0 (extended), ExCode = 30
+	u32		PadEx30[15];
+	// ExCode 31 = slowpath transmit command - Data[31:0] = 1
+	u32		XmtCmd;			// Code = 0 (extended), ExCode = 31
+	u32		PadEx31[15];
+	// ExCode 32 = Dump command
+	u32		DumpCmd;		// Code = 0 (extended), ExCode = 32
+	u32		PadEx32[15];
+	// ExCode 33 = Debug command
+	u32		DebugCmd;		// Code = 0 (extended), ExCode = 33
+	u32		PadEx33[15];
+	// There are 128 possible extended commands - each of account for 16
+	// words (including the non-relevent base command codes 1-15).
+	// Pad for the remainder of these here to bring us to the next CPU
+	// base.  As extended codes are added, reduce the first array value in
+	// the following field
+	u32		PadToNextCpu[94][16];	// 94 = 128 - 34 (34 = Excodes 0 - 33)
+} SXG_UCODE_REGS, *PSXG_UCODE_REGS;
+
+// Interrupt control register (0) values
+#define SXG_ICR_DISABLE					0x00000000
+#define SXG_ICR_ENABLE					0x00000001
+#define SXG_ICR_MASK					0x00000002
+#define SXG_ICR_MSGID_MASK				0xFFFF0000
+#define SXG_ICR_MSGID_SHIFT			16
+#define SXG_ICR(_MessageId, _Data)	\
+	((((_MessageId) << SXG_ICR_MSGID_SHIFT) &	\
+	  SXG_ICR_MSGID_MASK) | (_Data))
+
+// The Microcode supports up to 16 RSS queues
+#define SXG_MAX_RSS				16
+#define SXG_MAX_RSS_TABLE_SIZE	256		// 256-byte max
+
+#define SXG_RSS_TCP6				0x00000001	// RSS TCP over IPv6
+#define SXG_RSS_TCP4				0x00000002	// RSS TCP over IPv4
+#define SXG_RSS_LEGACY				0x00000004	// Line-base interrupts
+#define SXG_RSS_TABLE_SIZE			0x0000FF00	// Table size mask
+#define SXG_RSS_TABLE_SHIFT			8
+#define	SXG_RSS_BASE_CPU			0x00FF0000	// Base CPU (not used)
+#define SXG_RSS_BASE_SHIFT			16
+
+#define SXG_RCV_IP_CSUM_ENABLED		0x00000001	// ExCode 26 (ReceiveChecksum)
+#define SXG_RCV_TCP_CSUM_ENABLED	0x00000002	// ExCode 26 (ReceiveChecksum)
+
+#define SXG_XMT_CPUID_SHIFT			16
+
+#if VPCI
+#define SXG_CHECK_FOR_HANG_TIME		3000
+#else
+#define SXG_CHECK_FOR_HANG_TIME		5
+#endif
+
+/*
+ * TCB registers - This is really the same register memory area as UCODE_REGS
+ * above, but defined differently.  Bits 17:06 of the address define the TCB,
+ * which means each TCB area occupies 0x40 (64) bytes, or 16 u32S.  What really
+ * is happening is that these registers occupy the "PadEx[15]" areas in the
+ * SXG_UCODE_REGS definition above
+ */
+typedef struct _SXG_TCB_REGS {
+	u32		ExCode;		/* Extended codes - see SXG_UCODE_REGS */
+	u32		Xmt;		/* Code = 1 - # of Xmt descriptors added to ring */
+	u32		Rcv;		/* Code = 2 - # of Rcv descriptors added to ring */
+	u32		Rsvd1;		/* Code = 3 - TOE NA */
+	u32		Rsvd2;		/* Code = 4 - TOE NA */
+	u32		Rsvd3;		/* Code = 5 - TOE NA */
+	u32		Invalid;	/* Code = 6 - Reserved for "CardUp" see above */
+	u32		Rsvd4;		/* Code = 7 - TOE NA */
+	u32		Rsvd5;		/* Code = 8 - TOE NA */
+	u32		Pad[7];		/* Codes 8-15 - Not used. */
+} SXG_TCB_REGS, *PSXG_TCB_REGS;
+
+/***************************************************************************
+ * ISR Format
+ *                31                                      0
+ *                 _______________________________________
+ *                |    |    |    |    |    |    |    |    |
+ *                |____|____|____|____|____|____|____|____|
+ *                 ^^^^ ^^^^ ^^^^ ^^^^ \                 /
+ *           ERR --|||| |||| |||| ||||  -----------------
+ *         EVENT ---||| |||| |||| ||||          |
+ *               ----|| |||| |||| ||||          |-- Crash Address
+ *           UPC -----| |||| |||| ||||
+ *        LEVENT -------|||| |||| ||||
+ *          PDQF --------||| |||| ||||
+ *         RMISS ---------|| |||| ||||
+ *         BREAK ----------| |||| ||||
+ *       HBEATOK ------------|||| ||||
+ *       NOHBEAT -------------||| ||||
+ *        ERFULL --------------|| ||||
+ *         XDROP ---------------| ||||
+ *               -----------------||||
+ *               -----------------||||--\
+ *                                 ||---|-CpuId of crash
+ *                                 |----/
+ ***************************************************************************/
+#define SXG_ISR_ERR		0x80000000	// Error
+#define SXG_ISR_EVENT		0x40000000	// Event ring event
+#define SXG_ISR_NONE1		0x20000000	// Not used
+#define SXG_ISR_UPC		0x10000000	// Dump/debug command complete
+#define SXG_ISR_LINK		0x08000000	// Link event
+#define SXG_ISR_PDQF		0x04000000	// Processed data queue full
+#define SXG_ISR_RMISS		0x02000000	// Drop - no host buf
+#define SXG_ISR_BREAK		0x01000000	// Breakpoint hit
+#define SXG_ISR_PING		0x00800000	// Heartbeat response
+#define SXG_ISR_DEAD		0x00400000	// Card crash
+#define SXG_ISR_ERFULL		0x00200000	// Event ring full
+#define SXG_ISR_XDROP		0x00100000	// XMT Drop - no DRAM bufs or XMT err
+#define SXG_ISR_SPSEND		0x00080000	// Slow send complete
+#define SXG_ISR_CPU		0x00070000	// Dead CPU mask
+#define SXG_ISR_CPU_SHIFT		16	// Dead CPU shift
+#define SXG_ISR_CRASH		0x0000FFFF	// Crash address mask
+
+/***************************************************************************
+ *
+ * Event Ring entry
+ *
+ ***************************************************************************/
+/*
+ *  31                  15                 0
+ *  .___________________.___________________.
+ *  |<------------    Pad 0    ------------>|
+ *  |_________|_________|_________|_________|0		0x00
+ *  |<------------    Pad 1    ------------>|
+ *  |_________|_________|_________|_________|4		0x04
+ *  |<------------    Pad 2    ------------>|
+ *  |_________|_________|_________|_________|8 		0x08
+ *  |<----------- Event Word 0 ------------>|
+ *  |_________|_________|_________|_________|12		0x0c
+ *  |<----------- Event Word 1 ------------>|
+ *  |_________|_________|_________|_________|16		0x10
+ *  |<------------- Toeplitz   ------------>|
+ *  |_________|_________|_________|_________|20		0x14
+ *  |<----- Length ---->|<------ TCB Id --->|
+ *  |_________|_________|_________|_________|24		0x18
+ *  |<----- Status ---->|Evnt Code|Flsh Code|
+ *  |_________|_________|_________|_________|28		0x1c
+ *   ^                   ^^^^ ^^^^
+ *   |- VALID            |||| ||||- RBUFC
+ *                       |||| |||-- SLOWR
+ *                       |||| ||--- UNUSED
+ *                       |||| |---- FASTC
+ *                       ||||------ FASTR
+ *                       |||-------
+ *                       ||--------
+ *                       |---------
+ *
+ * Slowpath status:
+ *   _______________________________________
+ *  |<----- Status ---->|Evnt Code|Flsh Code|
+ *  |_________|Cmd Index|_________|_________|28		0x1c
+ *    ^^^ ^^^^
+ *    ||| ||||- ISTCPIP6
+ *    ||| |||-- IPONLY
+ *    ||| ||--- RCVERR
+ *    ||| |---- IPCBAD
+ *    |||------ TCPCBAD
+ *    ||------- ISTCPIP
+ *    |-------- SCERR
+ *
+ */
+#pragma pack(push, 1)
+typedef struct _SXG_EVENT {
+	u32			Pad[1];		// not used
+	u32			SndUna;		// SndUna value
+	u32			Resid;		// receive MDL resid
+	union {
+		void *		HostHandle;	// Receive host handle
+		u32		Rsvd1;		// TOE NA
+		struct {
+			u32	NotUsed;
+			u32	Rsvd2;		// TOE NA
+		} Flush;
+	};
+	u32			Toeplitz;	// RSS Toeplitz hash
+	union {
+		ushort		Rsvd3;		// TOE NA
+		ushort		HdrOffset;	// Slowpath
+	};
+	ushort			Length;		//
+	unsigned char 		Rsvd4;		// TOE NA
+	unsigned char 		Code;		// Event code
+	unsigned char		CommandIndex;	// New ring index
+	unsigned char		Status;		// Event status
+} SXG_EVENT, *PSXG_EVENT;
+#pragma pack(pop)
+
+// Event code definitions
+#define EVENT_CODE_BUFFERS	0x01	// Receive buffer list command (ring 0)
+#define EVENT_CODE_SLOWRCV	0x02	// Slowpath receive
+#define EVENT_CODE_UNUSED	0x04	// Was slowpath commands complete
+
+// Status values
+#define EVENT_STATUS_VALID	0x80	// Entry valid
+
+// Slowpath status
+#define EVENT_STATUS_ERROR	0x40	// Completed with error. Index in next byte
+#define EVENT_STATUS_TCPIP4	0x20	// TCPIPv4 frame
+#define EVENT_STATUS_TCPBAD	0x10	// Bad TCP checksum
+#define EVENT_STATUS_IPBAD	0x08	// Bad IP checksum
+#define EVENT_STATUS_RCVERR	0x04	// Slowpath receive error
+#define EVENT_STATUS_IPONLY	0x02	// IP frame
+#define EVENT_STATUS_TCPIP6	0x01	// TCPIPv6 frame
+#define EVENT_STATUS_TCPIP	0x21	// Combination of v4 and v6
+
+// Event ring
+// Size must be power of 2, between 128 and 16k
+#define EVENT_RING_SIZE		4096	// ??
+#define EVENT_RING_BATCH	16		// Hand entries back 16 at a time.
+#define EVENT_BATCH_LIMIT	256	    // Stop processing events after 256 (16 * 16)
+
+typedef struct _SXG_EVENT_RING {
+	SXG_EVENT	Ring[EVENT_RING_SIZE];
+}SXG_EVENT_RING, *PSXG_EVENT_RING;
+
+/***************************************************************************
+ *
+ * TCB Buffers
+ *
+ ***************************************************************************/
+// Maximum number of TCBS supported by hardware/microcode
+#define SXG_MAX_TCB		4096
+// Minimum TCBs before we fail initialization
+#define SXG_MIN_TCB		512
+// TCB Hash
+// The bucket is determined by bits 11:4 of the toeplitz if we support 4k
+// offloaded connections, 10:4 if we support 2k and so on.
+#define SXG_TCB_BUCKET_SHIFT	4
+#define SXG_TCB_PER_BUCKET		16
+#define SXG_TCB_BUCKET_MASK		0xFF0	// Bucket portion of TCB ID
+#define SXG_TCB_ELEMENT_MASK	0x00F	// Element within bucket
+#define SXG_TCB_BUCKETS			256		// 256 * 16 = 4k
+
+#define SXG_TCB_BUFFER_SIZE	512	// ASSERT format is correct
+
+#define SXG_TCB_RCVQ_SIZE		736
+
+#define SXG_TCB_COMPOSITE_BUFFER_SIZE	1024
+
+#define SXG_LOCATE_TCP_FRAME_HDR(_TcpObject, _IPv6)							\
+	(((_TcpObject)->VlanId) ?												\
+	 ((_IPv6) ?		/* Vlan frame header = yes */							\
+	  &(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp6.SxgTcp			:	\
+	  &(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp.SxgTcp)			: 	\
+	 ((_IPv6) ?		/* Vlan frame header = No */							\
+	  &(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp6.SxgTcp				: 	\
+	  &(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp.SxgTcp))
+
+#define SXG_LOCATE_IP_FRAME_HDR(_TcpObject)									\
+	(_TcpObject)->VlanId ?													\
+	&(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp.Ip				: 		\
+	&(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp.Ip
+
+#define SXG_LOCATE_IP6_FRAME_HDR(_TcpObject)								\
+	(_TcpObject)->VlanId ?													\
+	&(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp6.Ip				:		\
+	&(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp6.Ip
+
+
+#if DBG
+// Horrible kludge to distinguish dumb-nic, slowpath, and
+// fastpath traffic.  Decrement the HopLimit by one
+// for slowpath, two for fastpath.  This assumes the limit is measurably
+// greater than two, which I think is reasonable.
+// Obviously this is DBG only.  Maybe remove later, or #if 0 so we
+// can set it when needed
+#define SXG_DBG_HOP_LIMIT(_TcpObject, _FastPath) {								\
+	PIPV6_HDR		_Ip6FrameHdr;												\
+	if((_TcpObject)->IPv6) {													\
+		_Ip6FrameHdr = SXG_LOCATE_IP6_FRAME_HDR((_TcpObject));					\
+		if(_FastPath) {															\
+			_Ip6FrameHdr->HopLimit = (_TcpObject)->Cached.TtlOrHopLimit - 2;	\
+		} else {																\
+			_Ip6FrameHdr->HopLimit = (_TcpObject)->Cached.TtlOrHopLimit - 1;	\
+		}																		\
+	}																			\
+}
+#else
+// Do nothing with free build
+#define SXG_DBG_HOP_LIMIT(_TcpObject, _FastPath)
+#endif
+
+/***************************************************************************
+ * Receive and transmit rings
+ ***************************************************************************/
+#define SXG_MAX_RING_SIZE	256
+#define SXG_XMT_RING_SIZE	128		// Start with 128
+#define SXG_RCV_RING_SIZE	128		// Start with 128
+#define SXG_MAX_ENTRIES     4096
+
+// Structure and macros to manage a ring
+typedef struct _SXG_RING_INFO {
+	unsigned char			Head;		// Where we add entries - Note unsigned char:RING_SIZE
+	unsigned char			Tail;		// Where we pull off completed entries
+	ushort			Size;		// Ring size - Must be multiple of 2
+	void *			Context[SXG_MAX_RING_SIZE];	// Shadow ring
+} SXG_RING_INFO, *PSXG_RING_INFO;
+
+#define SXG_INITIALIZE_RING(_ring, _size) {							\
+	(_ring).Head = 0;												\
+	(_ring).Tail = 0;												\
+	(_ring).Size = (_size);											\
+}
+#define SXG_ADVANCE_INDEX(_index, _size) ((_index) = ((_index) + 1) & ((_size) - 1))
+#define SXG_PREVIOUS_INDEX(_index, _size) (((_index) - 1) &((_size) - 1))
+#define SXG_RING_EMPTY(_ring) ((_ring)->Head == (_ring)->Tail)
+#define SXG_RING_FULL(_ring) ((((_ring)->Head + 1) & ((_ring)->Size - 1)) == (_ring)->Tail)
+#define SXG_RING_ADVANCE_HEAD(_ring) SXG_ADVANCE_INDEX((_ring)->Head, ((_ring)->Size))
+#define SXG_RING_RETREAT_HEAD(_ring) ((_ring)->Head =				\
+									  SXG_PREVIOUS_INDEX((_ring)->Head, (_ring)->Size))
+#define SXG_RING_ADVANCE_TAIL(_ring) {								\
+	ASSERT((_ring)->Tail != (_ring)->Head);							\
+	SXG_ADVANCE_INDEX((_ring)->Tail, ((_ring)->Size));				\
+}
+// Set cmd to the next available ring entry, set the shadow context
+// entry and advance the ring.
+// The appropriate lock must be held when calling this macro
+#define SXG_GET_CMD(_ring, _ringinfo, _cmd, _context) {				\
+	if(SXG_RING_FULL(_ringinfo)) {									\
+		(_cmd) = NULL;												\
+	} else {														\
+		(_cmd) = &(_ring)->Descriptors[(_ringinfo)->Head];			\
+		(_ringinfo)->Context[(_ringinfo)->Head] = (void *)(_context);\
+		SXG_RING_ADVANCE_HEAD(_ringinfo);							\
+	}																\
+}
+
+// Abort the previously allocated command by retreating the head.
+// NOTE - The appopriate lock MUST NOT BE DROPPED between the SXG_GET_CMD
+// and SXG_ABORT_CMD calls.
+#define SXG_ABORT_CMD(_ringinfo) {									\
+	ASSERT(!(SXG_RING_EMPTY(_ringinfo)));							\
+	SXG_RING_RETREAT_HEAD(_ringinfo);								\
+	(_ringinfo)->Context[(_ringinfo)->Head] = NULL;					\
+}
+
+// For the given ring, return a pointer to the tail cmd and context,
+// clear the context and advance the tail
+#define SXG_RETURN_CMD(_ring, _ringinfo, _cmd, _context) {			\
+	(_cmd) = &(_ring)->Descriptors[(_ringinfo)->Tail];				\
+	(_context) = (_ringinfo)->Context[(_ringinfo)->Tail];       	\
+	(_ringinfo)->Context[(_ringinfo)->Tail] = NULL;					\
+	SXG_RING_ADVANCE_TAIL(_ringinfo);								\
+}
+
+/***************************************************************************
+ *
+ * Host Command Buffer - commands to INIC via the Cmd Rings
+ *
+ ***************************************************************************/
+/*
+ *  31                  15                 0
+ *  .___________________.___________________.
+ *  |<-------------- Sgl Low -------------->|
+ *  |_________|_________|_________|_________|0		0x00
+ *  |<-------------- Sgl High ------------->|
+ *  |_________|_________|_________|_________|4		0x04
+ *  |<-------------  Sge 0 Low  ----------->|
+ *  |_________|_________|_________|_________|8 		0x08
+ *  |<-------------  Sge 0 High ----------->|
+ *  |_________|_________|_________|_________|12		0x0c
+ *  |<------------  Sge 0 Length ---------->|
+ *  |_________|_________|_________|_________|16		0x10
+ *  |<----------- Window Update ----------->|
+ *  |<-------- SP 1st SGE offset ---------->|
+ *  |_________|_________|_________|_________|20		0x14
+ *  |<----------- Total Length ------------>|
+ *  |_________|_________|_________|_________|24		0x18
+ *  |<----- LCnt ------>|<----- Flags ----->|
+ *  |_________|_________|_________|_________|28		0x1c
+ */
+#pragma pack(push, 1)
+typedef struct _SXG_CMD {
+	dma_addr_t             			Sgl;			// Physical address of SGL
+	union {
+		struct {
+			dma64_addr_t          	FirstSgeAddress;// Address of first SGE
+			u32					FirstSgeLength;	// Length of first SGE
+			union {
+				u32				Rsvd1;	        // TOE NA
+				u32				SgeOffset;		// Slowpath - 2nd SGE offset
+				u32				Resid;			// MDL completion - clobbers update
+			};
+			union {
+				u32				TotalLength;	// Total transfer length
+				u32				Mss;			// LSO MSS
+			};
+		} Buffer;
+	};
+	union {
+		struct {
+			unsigned char					Flags:4;		// slowpath flags
+			unsigned char					IpHl:4;			// Ip header length (>>2)
+			unsigned char					MacLen;			// Mac header len
+		} CsumFlags;
+		struct {
+			ushort					Flags:4;		// slowpath flags
+			ushort					TcpHdrOff:7;	// TCP
+			ushort					MacLen:5;		// Mac header len
+		} LsoFlags;
+		ushort						Flags;			// flags
+	};
+	union {
+		ushort						SgEntries;		// SG entry count including first sge
+		struct {
+			unsigned char					Status;		    // Copied from event status
+			unsigned char					NotUsed;
+		} Status;
+	};
+} SXG_CMD, *PSXG_CMD;
+#pragma pack(pop)
+
+#pragma pack(push, 1)
+typedef struct _VLAN_HDR {
+	ushort	VlanTci;
+	ushort	VlanTpid;
+} VLAN_HDR, *PVLAN_HDR;
+#pragma pack(pop)
+
+/*
+ * Slowpath Flags:
+ *
+ *
+ * LSS Flags:
+ *                                        .---
+ *                                       /.--- TCP Large segment send
+ *                                      //.---
+ *                                     ///.---
+ *  3                   1     1       ////
+ *  1                   5     0      ||||
+ *  .___________________.____________vvvv.
+ *  |                   |MAC |  TCP |    |
+ *  |      LCnt         |hlen|hdroff|Flgs|
+ *  |___________________|||||||||||||____|
+ *
+ *
+ * Checksum Flags
+ *
+ *                                           .---
+ *                                          /.---
+ *                                         //.--- Checksum TCP
+ *                                        ///.--- Checksum IP
+ *  3                   1                //// No bits - normal send
+ *  1                   5          7    ||||
+ *  .___________________._______________vvvv.
+ *  |                   | Offload | IP |    |
+ *  |      LCnt         |MAC hlen |Hlen|Flgs|
+ *  |___________________|____|____|____|____|
+ *
+ */
+// Slowpath CMD flags
+#define SXG_SLOWCMD_CSUM_IP			0x01		// Checksum IP
+#define SXG_SLOWCMD_CSUM_TCP		0x02		// Checksum TCP
+#define SXG_SLOWCMD_LSO				0x04		// Large segment send
+
+typedef struct _SXG_XMT_RING {
+	SXG_CMD		Descriptors[SXG_XMT_RING_SIZE];
+} SXG_XMT_RING, *PSXG_XMT_RING;
+
+typedef struct _SXG_RCV_RING {
+	SXG_CMD		Descriptors[SXG_RCV_RING_SIZE];
+} SXG_RCV_RING, *PSXG_RCV_RING;
+
+/***************************************************************************
+ * Share memory buffer types - Used to identify asynchronous
+ * shared memory allocation
+ ***************************************************************************/
+typedef enum {
+	SXG_BUFFER_TYPE_RCV,		// Receive buffer
+	SXG_BUFFER_TYPE_SGL			// SGL buffer
+} SXG_BUFFER_TYPE;
+
+// State for SXG buffers
+#define SXG_BUFFER_FREE		0x01
+#define SXG_BUFFER_BUSY		0x02
+#define SXG_BUFFER_ONCARD	0x04
+#define SXG_BUFFER_UPSTREAM	0x08
+
+/***************************************************************************
+ * Receive data buffers
+ *
+ * Receive data buffers are given to the Sahara card 128 at a time.
+ * This is accomplished by filling in a "receive descriptor block"
+ * with 128 "receive descriptors".  Each descriptor consists of
+ * a physical address, which the card uses as the address to
+ * DMA data into, and a virtual address, which is given back
+ * to the host in the "HostHandle" portion of an event.
+ * The receive descriptor data structure is defined below
+ * as SXG_RCV_DATA_DESCRIPTOR, and the corresponding block
+ * is defined as SXG_RCV_DESCRIPTOR_BLOCK.
+ *
+ * This receive descriptor block is given to the card by filling
+ * in the Sgl field of a SXG_CMD entry from pAdapt->RcvRings[0]
+ * with the physical address of the receive descriptor block.
+ *
+ * Both the receive buffers and the receive descriptor blocks
+ * require additional data structures to maintain them
+ * on a free queue and contain other information associated with them.
+ * Those data structures are defined as the SXG_RCV_DATA_BUFFER_HDR
+ * and SXG_RCV_DESCRIPTOR_BLOCK_HDR respectively.
+ *
+ * Since both the receive buffers and the receive descriptor block
+ * must be accessible by the card, both must be allocated out of
+ * shared memory.  To ensure that we always have a descriptor
+ * block available for every 128 buffers, we allocate all of
+ * these resources together in a single block.  This entire
+ * block is managed by a SXG_RCV_BLOCK_HDR, who's sole purpose
+ * is to maintain address information so that the entire block
+ * can be free later.
+ *
+ * Further complicating matters is the fact that the receive
+ * buffers must be variable in length in order to accomodate
+ * jumbo frame configurations.  We configure the buffer
+ * length so that the buffer and it's corresponding SXG_RCV_DATA_BUFFER_HDR
+ * structure add up to an even boundary.  Then we place the
+ * remaining data structures after 128 of them as shown in
+ * the following diagram:
+ *
+ *  _________________________________________
+ * |                                         |
+ * |    Variable length receive buffer #1    |
+ * |_________________________________________|
+ * |                                         |
+ * |       SXG_RCV_DATA_BUFFER_HDR #1        |
+ * |_________________________________________| <== Even 2k or 10k boundary
+ * |                                         |
+ * |         ... repeat 2-128 ..             |
+ * |_________________________________________|
+ * |                                         |
+ * |      SXG_RCV_DESCRIPTOR_BLOCK           |
+ * |  Contains SXG_RCV_DATA_DESCRIPTOR * 128 |
+ * |_________________________________________|
+ * |                                         |
+ * |      SXG_RCV_DESCRIPTOR_BLOCK_HDR       |
+ * |_________________________________________|
+ * |                                         |
+ * |          SXG_RCV_BLOCK_HDR              |
+ * |_________________________________________|
+ *
+ * Memory consumption:
+ *	  Non-jumbo:
+ *      Buffers and SXG_RCV_DATA_BUFFER_HDR = 2k * 128 = 256k
+ *    + SXG_RCV_DESCRIPTOR_BLOCK = 2k
+ *    + SXG_RCV_DESCRIPTOR_BLOCK_HDR = ~32
+ *    + SXG_RCV_BLOCK_HDR = ~32
+ *    => Total = ~258k/block
+ *
+ *	  Jumbo:
+ *      Buffers and SXG_RCV_DATA_BUFFER_HDR = 10k * 128 = 1280k
+ *    + SXG_RCV_DESCRIPTOR_BLOCK = 2k
+ *    + SXG_RCV_DESCRIPTOR_BLOCK_HDR = ~32
+ *    + SXG_RCV_BLOCK_HDR = ~32
+ *    => Total = ~1282k/block
+ *
+ ***************************************************************************/
+#define SXG_RCV_DATA_BUFFERS			4096	// Amount to give to the card
+#define SXG_INITIAL_RCV_DATA_BUFFERS	8192	// Initial pool of buffers
+#define SXG_MIN_RCV_DATA_BUFFERS		2048	// Minimum amount and when to get more
+#define SXG_MAX_RCV_BLOCKS				128		// = 16384 receive buffers
+
+// Receive buffer header
+typedef struct _SXG_RCV_DATA_BUFFER_HDR {
+	dma_addr_t          			PhysicalAddress;	// Buffer physical address
+	// Note - DO NOT USE the VirtualAddress field to locate data.
+	// Use the sxg.h:SXG_RECEIVE_DATA_LOCATION macro instead.
+	void *VirtualAddress;		// Start of buffer
+	LIST_ENTRY						FreeList;			// Free queue of buffers
+	struct _SXG_RCV_DATA_BUFFER_HDR	*Next;				// Fastpath data buffer queue
+	u32							Size;				// Buffer size
+	u32							ByteOffset;			// See SXG_RESTORE_MDL_OFFSET
+	unsigned char							State;				// See SXG_BUFFER state above
+	unsigned char							Status;				// Event status (to log PUSH)
+	struct sk_buff                * skb;				// Double mapped (nbl and pkt)
+} SXG_RCV_DATA_BUFFER_HDR, *PSXG_RCV_DATA_BUFFER_HDR;
+
+// SxgSlowReceive uses the PACKET (skb) contained
+// in the SXG_RCV_DATA_BUFFER_HDR when indicating dumb-nic data
+#define SxgDumbRcvPacket	        skb
+
+#define SXG_RCV_DATA_HDR_SIZE			256		// Space for SXG_RCV_DATA_BUFFER_HDR
+#define SXG_RCV_DATA_BUFFER_SIZE		2048	// Non jumbo = 2k including HDR
+#define SXG_RCV_JUMBO_BUFFER_SIZE		10240	// jumbo = 10k including HDR
+
+// Receive data descriptor
+typedef struct _SXG_RCV_DATA_DESCRIPTOR {
+	union {
+		struct sk_buff    *	VirtualAddress;			// Host handle
+		u64 			ForceTo8Bytes;			// Force x86 to 8-byte boundary
+	};
+	dma_addr_t             	PhysicalAddress;
+} SXG_RCV_DATA_DESCRIPTOR, *PSXG_RCV_DATA_DESCRIPTOR;
+
+// Receive descriptor block
+#define SXG_RCV_DESCRIPTORS_PER_BLOCK		128
+#define SXG_RCV_DESCRIPTOR_BLOCK_SIZE		2048	// For sanity check
+typedef struct _SXG_RCV_DESCRIPTOR_BLOCK {
+	SXG_RCV_DATA_DESCRIPTOR		Descriptors[SXG_RCV_DESCRIPTORS_PER_BLOCK];
+} SXG_RCV_DESCRIPTOR_BLOCK, *PSXG_RCV_DESCRIPTOR_BLOCK;
+
+// Receive descriptor block header
+typedef struct _SXG_RCV_DESCRIPTOR_BLOCK_HDR {
+	void *					VirtualAddress;			// Start of 2k buffer
+	dma_addr_t	            PhysicalAddress;		// ..and it's physical address
+	LIST_ENTRY				FreeList;				// Free queue of descriptor blocks
+	unsigned char					State;					// See SXG_BUFFER state above
+} SXG_RCV_DESCRIPTOR_BLOCK_HDR, *PSXG_RCV_DESCRIPTOR_BLOCK_HDR;
+
+// Receive block header
+typedef struct _SXG_RCV_BLOCK_HDR {
+	void *					VirtualAddress;			// Start of virtual memory
+	dma_addr_t	            PhysicalAddress;		// ..and it's physical address
+	LIST_ENTRY				AllList;				// Queue of all SXG_RCV_BLOCKS
+} SXG_RCV_BLOCK_HDR, *PSXG_RCV_BLOCK_HDR;
+
+// Macros to determine data structure offsets into receive block
+#define SXG_RCV_BLOCK_SIZE(_Buffersize) 					\
+	(((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK) +		\
+	 (sizeof(SXG_RCV_DESCRIPTOR_BLOCK))              +		\
+	 (sizeof(SXG_RCV_DESCRIPTOR_BLOCK_HDR))          +		\
+	 (sizeof(SXG_RCV_BLOCK_HDR)))
+#define SXG_RCV_BUFFER_DATA_SIZE(_Buffersize)				\
+	((_Buffersize) - SXG_RCV_DATA_HDR_SIZE)
+#define SXG_RCV_DATA_BUFFER_HDR_OFFSET(_Buffersize)			\
+	((_Buffersize) - SXG_RCV_DATA_HDR_SIZE)
+#define SXG_RCV_DESCRIPTOR_BLOCK_OFFSET(_Buffersize)		\
+	((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK)
+#define SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET(_Buffersize)	\
+	(((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK) +		\
+	 (sizeof(SXG_RCV_DESCRIPTOR_BLOCK)))
+#define SXG_RCV_BLOCK_HDR_OFFSET(_Buffersize)				\
+	(((_Buffersize) * SXG_RCV_DESCRIPTORS_PER_BLOCK) +		\
+	 (sizeof(SXG_RCV_DESCRIPTOR_BLOCK))              +		\
+	 (sizeof(SXG_RCV_DESCRIPTOR_BLOCK_HDR)))
+
+// Use the miniport reserved portion of the NBL to locate
+// our SXG_RCV_DATA_BUFFER_HDR structure.
+typedef struct _SXG_RCV_NBL_RESERVED {
+	PSXG_RCV_DATA_BUFFER_HDR	RcvDataBufferHdr;
+	void *						Available;
+} SXG_RCV_NBL_RESERVED, *PSXG_RCV_NBL_RESERVED;
+
+#define SXG_RCV_NBL_BUFFER_HDR(_NBL) (((PSXG_RCV_NBL_RESERVED)NET_BUFFER_LIST_MINIPORT_RESERVED(_NBL))->RcvDataBufferHdr)
+
+/***************************************************************************
+ * Scatter gather list buffer
+ ***************************************************************************/
+#define SXG_INITIAL_SGL_BUFFERS		8192	// Initial pool of SGL buffers
+#define SXG_MIN_SGL_BUFFERS			2048	// Minimum amount and when to get more
+#define SXG_MAX_SGL_BUFFERS			16384	// Maximum to allocate (note ADAPT:ushort)
+
+
+// Self identifying structure type
+typedef enum _SXG_SGL_TYPE {
+	SXG_SGL_DUMB,				// Dumb NIC SGL
+	SXG_SGL_SLOW,				// Slowpath protocol header - see below
+	SXG_SGL_CHIMNEY				// Chimney offload SGL
+} SXG_SGL_TYPE, PSXG_SGL_TYPE;
+
+// Note - the description below is Microsoft specific
+//
+// The following definition specifies the amount of shared memory to allocate
+// for the SCATTER_GATHER_LIST portion of the SXG_SCATTER_GATHER data structure.
+// The following considerations apply when setting this value:
+// - First, the Sahara card is designed to read the Microsoft SGL structure
+// 	 straight out of host memory.  This means that the SGL must reside in
+//	 shared memory.  If the length here is smaller than the SGL for the
+//	 NET_BUFFER, then NDIS will allocate its own buffer.  The buffer
+//	 that NDIS allocates is not in shared memory, so when this happens,
+//	 the SGL will need to be copied to a set of SXG_SCATTER_GATHER buffers.
+//	 In other words.. we don't want this value to be too small.
+// - On the other hand.. we're allocating up to 16k of these things.  If
+//	 we make this too big, we start to consume a ton of memory..
+// At the moment, I'm going to limit the number of SG entries to 150.
+// If each entry maps roughly 4k, then this should cover roughly 600kB
+// NET_BUFFERs.  Furthermore, since each entry is 24 bytes, the total
+// SGE portion of the structure consumes 3600 bytes, which should allow
+// the entire SXG_SCATTER_GATHER structure to reside comfortably within
+// a 4k block, providing the remaining fields stay under 500 bytes.
+//
+// So with 150 entries, the SXG_SCATTER_GATHER structure becomes roughly
+// 4k.  At 16k of them, that amounts to 64M of shared memory.  A ton, but
+// manageable.
+#define SXG_SGL_ENTRIES		150
+
+// The ucode expects an NDIS SGL structure that
+// is formatted for an x64 system.  When running
+// on an x64 system, we can simply hand the NDIS SGL
+// to the card directly.  For x86 systems we must reconstruct
+// the SGL.  The following structure defines an x64
+// formatted SGL entry
+typedef struct _SXG_X64_SGE {
+    dma64_addr_t      	Address;	// same as wdm.h
+    u32				Length;		// same as wdm.h
+	u32				CompilerPad;// The compiler pads to 8-bytes
+    u64 			Reserved;	// u32 * in wdm.h.  Force to 8 bytes
+} SXG_X64_SGE, *PSXG_X64_SGE;
+
+typedef struct _SCATTER_GATHER_ELEMENT {
+    dma64_addr_t      	Address;	// same as wdm.h
+    u32				Length;		// same as wdm.h
+	u32				CompilerPad;// The compiler pads to 8-bytes
+    u64 			Reserved;	// u32 * in wdm.h.  Force to 8 bytes
+} SCATTER_GATHER_ELEMENT, *PSCATTER_GATHER_ELEMENT;
+
+
+typedef struct _SCATTER_GATHER_LIST {
+    u32					NumberOfElements;
+    u32 *				Reserved;
+    SCATTER_GATHER_ELEMENT	Elements[];
+} SCATTER_GATHER_LIST, *PSCATTER_GATHER_LIST;
+
+// The card doesn't care about anything except elements, so
+// we can leave the u32 * reserved field alone in the following
+// SGL structure.  But redefine from wdm.h:SCATTER_GATHER_LIST so
+// we can specify SXG_X64_SGE and define a fixed number of elements
+typedef struct _SXG_X64_SGL {
+    u32					NumberOfElements;
+    u32 *				Reserved;
+    SXG_X64_SGE				Elements[SXG_SGL_ENTRIES];
+} SXG_X64_SGL, *PSXG_X64_SGL;
+
+typedef struct _SXG_SCATTER_GATHER {
+	SXG_SGL_TYPE						Type;			// FIRST! Dumb-nic or offload
+	void *   							adapter;		// Back pointer to adapter
+	LIST_ENTRY							FreeList;		// Free SXG_SCATTER_GATHER blocks
+	LIST_ENTRY							AllList;		// All SXG_SCATTER_GATHER blocks
+	dma_addr_t				            PhysicalAddress;// physical address
+	unsigned char								State;			// See SXG_BUFFER state above
+	unsigned char								CmdIndex;		// Command ring index
+	struct sk_buff                    *	DumbPacket;		// Associated Packet
+	u32								Direction;		// For asynchronous completions
+	u32								CurOffset;		// Current SGL offset
+	u32								SglRef;			// SGL reference count
+	VLAN_HDR							VlanTag;		// VLAN tag to be inserted into SGL
+	PSCATTER_GATHER_LIST   				pSgl;			// SGL Addr. Possibly &Sgl
+	SXG_X64_SGL							Sgl;			// SGL handed to card
+} SXG_SCATTER_GATHER, *PSXG_SCATTER_GATHER;
+
+#if defined(CONFIG_X86_64)
+#define SXG_SGL_BUFFER(_SxgSgl)		(&_SxgSgl->Sgl)
+#define SXG_SGL_BUF_SIZE			sizeof(SXG_X64_SGL)
+#elif defined(CONFIG_X86)
+// Force NDIS to give us it's own buffer so we can reformat to our own
+#define SXG_SGL_BUFFER(_SxgSgl)		NULL
+#define SXG_SGL_BUF_SIZE			0
+#else
+    Stop Compilation;
+#endif
+
diff --git a/drivers/staging/sxg/sxghw.h b/drivers/staging/sxg/sxghw.h
new file mode 100644
index 00000000000..8f4f6effdd9
--- /dev/null
+++ b/drivers/staging/sxg/sxghw.h
@@ -0,0 +1,734 @@
+/*
+ * Copyright © 1997-2007 Alacritech, Inc. All rights reserved
+ *
+ * $Id: sxghw.h,v 1.2 2008/07/24 17:24:23 chris Exp $
+ *
+ * sxghw.h:
+ *
+ * This file contains structures and definitions for the
+ * Alacritech Sahara hardware
+ */
+
+
+/*******************************************************************************
+ * Configuration space
+ *******************************************************************************/
+//  PCI Vendor ID
+#define SXG_VENDOR_ID			0x139A	// Alacritech's Vendor ID
+
+//  PCI Device ID
+#define SXG_DEVICE_ID			0x0009	// Sahara Device ID
+
+//
+// Subsystem IDs.
+//
+// The subsystem ID value is broken into bit fields as follows:
+//		Bits [15:12] - Function
+//		Bits [11:8]  - OEM and/or operating system.
+//		Bits [7:0]   - Base SID.
+//
+// SSID field (bit) masks
+#define SSID_BASE_MASK					0x00FF	// Base subsystem ID mask
+#define SSID_OEM_MASK					0x0F00	// Subsystem OEM mask
+#define SSID_FUNC_MASK					0xF000	// Subsystem function mask
+
+// Base SSID's
+#define SSID_SAHARA_PROTO				0x0018	// 100022 Sahara prototype (XenPak) board
+#define SSID_SAHARA_FIBER				0x0019	// 100023 Sahara 1-port fiber board
+#define SSID_SAHARA_COPPER				0x001A	// 100024 Sahara 1-port copper board
+
+// Useful SSID macros
+#define	SSID_BASE(ssid)			((ssid) & SSID_BASE_MASK)		// isolate base SSID bits
+#define	SSID_OEM(ssid)			((ssid) & SSID_OEM_MASK)		// isolate SSID OEM bits
+#define	SSID_FUNC(ssid)			((ssid) & SSID_FUNC_MASK)		// isolate SSID function bits
+
+/*******************************************************************************
+ * HW Register Space
+ *******************************************************************************/
+#define SXG_HWREG_MEMSIZE	0x4000		// 16k
+
+#pragma pack(push, 1)
+typedef struct _SXG_HW_REGS {
+	u32		Reset;				// Write 0xdead to invoke soft reset
+	u32		Pad1;				// No register defined at offset 4
+	u32		InterruptMask0;		// Deassert legacy interrupt on function 0
+	u32		InterruptMask1;		// Deassert legacy interrupt on function 1
+	u32		UcodeDataLow;		// Store microcode instruction bits 31-0
+	u32		UcodeDataMiddle;	// Store microcode instruction bits 63-32
+	u32		UcodeDataHigh;		// Store microcode instruction bits 95-64
+	u32		UcodeAddr;			// Store microcode address - See flags below
+	u32		PadTo0x80[24];		// Pad to Xcv configuration registers
+	u32		MacConfig0;			// 0x80 - AXGMAC Configuration Register 0
+	u32		MacConfig1;			// 0x84 - AXGMAC Configuration Register 1
+	u32		MacConfig2;			// 0x88 - AXGMAC Configuration Register 2
+	u32		MacConfig3;			// 0x8C - AXGMAC Configuration Register 3
+	u32		MacAddressLow;		// 0x90 - AXGMAC MAC Station Address - octets 1-4
+	u32		MacAddressHigh;		// 0x94 - AXGMAC MAC Station Address - octets 5-6
+	u32		MacReserved1[2];	// 0x98 - AXGMAC Reserved
+	u32		MacMaxFrameLen;		// 0xA0 - AXGMAC Maximum Frame Length
+	u32		MacReserved2[2];	// 0xA4 - AXGMAC Reserved
+	u32		MacRevision;		// 0xAC - AXGMAC Revision Level Register
+	u32		MacReserved3[4];	// 0xB0 - AXGMAC Reserved
+	u32		MacAmiimCmd;		// 0xC0 - AXGMAC AMIIM Command Register
+	u32		MacAmiimField;		// 0xC4 - AXGMAC AMIIM Field Register
+	u32		MacAmiimConfig;		// 0xC8 - AXGMAC AMIIM Configuration Register
+	u32		MacAmiimLink;		// 0xCC - AXGMAC AMIIM Link Fail Vector Register
+	u32		MacAmiimIndicator;	// 0xD0 - AXGMAC AMIIM Indicator Registor
+	u32		PadTo0x100[11];		// 0xD4 - 0x100 - Pad
+	u32		XmtConfig;			// 0x100 - Transmit Configuration Register
+	u32		RcvConfig;			// 0x104 - Receive Configuration Register 1
+	u32		LinkAddress0Low;	// 0x108 - Link address 0
+	u32		LinkAddress0High;	// 0x10C - Link address 0
+	u32		LinkAddress1Low;	// 0x110 - Link address 1
+	u32		LinkAddress1High;	// 0x114 - Link address 1
+	u32		LinkAddress2Low;	// 0x118 - Link address 2
+	u32		LinkAddress2High;	// 0x11C - Link address 2
+	u32		LinkAddress3Low;	// 0x120 - Link address 3
+	u32		LinkAddress3High;	// 0x124 - Link address 3
+	u32		ToeplitzKey[10];	// 0x128 - 0x150 - Toeplitz key
+	u32		SocketKey[10];		// 0x150 - 0x178 - Socket Key
+	u32		LinkStatus;			// 0x178 - Link status
+	u32		ClearStats;			// 0x17C - Clear Stats
+	u32		XmtErrorsLow;		// 0x180 - Transmit stats - errors
+	u32		XmtErrorsHigh;		// 0x184 - Transmit stats - errors
+	u32		XmtFramesLow;		// 0x188 - Transmit stats - frame count
+	u32		XmtFramesHigh;		// 0x18C - Transmit stats - frame count
+	u32		XmtBytesLow;		// 0x190 - Transmit stats - byte count
+	u32		XmtBytesHigh;		// 0x194 - Transmit stats - byte count
+	u32		XmtTcpSegmentsLow;	// 0x198 - Transmit stats - TCP segments
+	u32		XmtTcpSegmentsHigh;	// 0x19C - Transmit stats - TCP segments
+	u32		XmtTcpBytesLow;		// 0x1A0 - Transmit stats - TCP bytes
+	u32		XmtTcpBytesHigh;	// 0x1A4 - Transmit stats - TCP bytes
+	u32		RcvErrorsLow;		// 0x1A8 - Receive stats - errors
+	u32		RcvErrorsHigh;		// 0x1AC - Receive stats - errors
+	u32		RcvFramesLow;		// 0x1B0 - Receive stats - frame count
+	u32		RcvFramesHigh;		// 0x1B4 - Receive stats - frame count
+	u32		RcvBytesLow;		// 0x1B8 - Receive stats - byte count
+	u32		RcvBytesHigh;		// 0x1BC - Receive stats - byte count
+	u32		RcvTcpSegmentsLow;	// 0x1C0 - Receive stats - TCP segments
+	u32		RcvTcpSegmentsHigh;	// 0x1C4 - Receive stats - TCP segments
+	u32		RcvTcpBytesLow;		// 0x1C8 - Receive stats - TCP bytes
+	u32		RcvTcpBytesHigh;	// 0x1CC - Receive stats - TCP bytes
+	u32		PadTo0x200[12];		// 0x1D0 - 0x200 - Pad
+	u32		Software[1920];		// 0x200 - 0x2000 - Software defined (not used)
+	u32		MsixTable[1024];	// 0x2000 - 0x3000 - MSIX Table
+	u32		MsixBitArray[1024];	// 0x3000 - 0x4000 - MSIX Pending Bit Array
+} SXG_HW_REGS, *PSXG_HW_REGS;
+#pragma pack(pop)
+
+// Microcode Address Flags
+#define	MICROCODE_ADDRESS_GO		0x80000000	// Start microcode
+#define	MICROCODE_ADDRESS_WRITE		0x40000000	// Store microcode
+#define	MICROCODE_ADDRESS_READ		0x20000000	// Read microcode
+#define	MICROCODE_ADDRESS_PARITY	0x10000000	// Parity error detected
+#define	MICROCODE_ADDRESS_MASK		0x00001FFF	// Address bits
+
+// Link Address Registers
+#define LINK_ADDRESS_ENABLE			0x80000000	// Applied to link address high
+
+// Microsoft register space size
+#define SXG_UCODEREG_MEMSIZE	0x40000		// 256k
+
+// Sahara microcode register address format.  The command code,
+// extended command code, and associated processor are encoded in
+// the address bits as follows
+#define SXG_ADDRESS_CODE_SHIFT		2			// Base command code
+#define SXG_ADDRESS_CODE_MASK		0x0000003C
+#define SXG_ADDRESS_EXCODE_SHIFT	6			// Extended (or sub) command code
+#define SXG_ADDRESS_EXCODE_MASK		0x00001FC0
+#define	SXG_ADDRESS_CPUID_SHIFT		13			// CPU
+#define SXG_ADDRESS_CPUID_MASK		0x0003E000
+#define SXG_REGISTER_SIZE_PER_CPU	0x00002000	// Used to sanity check UCODE_REGS structure
+
+// Sahara receive sequencer status values
+#define SXG_RCV_STATUS_ATTN					0x80000000	// Attention
+#define SXG_RCV_STATUS_TRANSPORT_MASK		0x3F000000	// Transport mask
+#define SXG_RCV_STATUS_TRANSPORT_ERROR		0x20000000	// Transport error
+#define SXG_RCV_STATUS_TRANSPORT_CSUM		0x23000000	// Transport cksum error
+#define SXG_RCV_STATUS_TRANSPORT_UFLOW		0x22000000	// Transport underflow
+#define SXG_RCV_STATUS_TRANSPORT_HDRLEN		0x20000000	// Transport header length
+#define SXG_RCV_STATUS_TRANSPORT_FLAGS		0x10000000	// Transport flags detected
+#define SXG_RCV_STATUS_TRANSPORT_OPTS		0x08000000	// Transport options detected
+#define SXG_RCV_STATUS_TRANSPORT_SESS_MASK	0x07000000	// Transport DDP
+#define SXG_RCV_STATUS_TRANSPORT_DDP		0x06000000	// Transport DDP
+#define SXG_RCV_STATUS_TRANSPORT_iSCSI		0x05000000	// Transport iSCSI
+#define SXG_RCV_STATUS_TRANSPORT_NFS		0x04000000	// Transport NFS
+#define SXG_RCV_STATUS_TRANSPORT_FTP		0x03000000	// Transport FTP
+#define SXG_RCV_STATUS_TRANSPORT_HTTP		0x02000000	// Transport HTTP
+#define SXG_RCV_STATUS_TRANSPORT_SMB		0x01000000	// Transport SMB
+#define SXG_RCV_STATUS_NETWORK_MASK			0x00FF0000	// Network mask
+#define SXG_RCV_STATUS_NETWORK_ERROR		0x00800000	// Network error
+#define SXG_RCV_STATUS_NETWORK_CSUM			0x00830000	// Network cksum error
+#define SXG_RCV_STATUS_NETWORK_UFLOW		0x00820000	// Network underflow error
+#define SXG_RCV_STATUS_NETWORK_HDRLEN		0x00800000	// Network header length
+#define SXG_RCV_STATUS_NETWORK_OFLOW		0x00400000	// Network overflow detected
+#define SXG_RCV_STATUS_NETWORK_MCAST		0x00200000	// Network multicast detected
+#define SXG_RCV_STATUS_NETWORK_OPTIONS		0x00100000	// Network options detected
+#define SXG_RCV_STATUS_NETWORK_OFFSET		0x00080000	// Network offset detected
+#define SXG_RCV_STATUS_NETWORK_FRAGMENT		0x00040000	// Network fragment detected
+#define SXG_RCV_STATUS_NETWORK_TRANS_MASK	0x00030000	// Network transport type mask
+#define SXG_RCV_STATUS_NETWORK_UDP			0x00020000	// UDP
+#define SXG_RCV_STATUS_NETWORK_TCP			0x00010000	// TCP
+#define SXG_RCV_STATUS_IPONLY				0x00008000	// IP-only not TCP
+#define SXG_RCV_STATUS_PKT_PRI				0x00006000	// Receive priority
+#define SXG_RCV_STATUS_PKT_PRI_SHFT					13	// Receive priority shift
+#define SXG_RCV_STATUS_PARITY				0x00001000	// MAC Receive RAM parity error
+#define SXG_RCV_STATUS_ADDRESS_MASK			0x00000F00	// Link address detection mask
+#define SXG_RCV_STATUS_ADDRESS_D			0x00000B00	// Link address D
+#define SXG_RCV_STATUS_ADDRESS_C			0x00000A00	// Link address C
+#define SXG_RCV_STATUS_ADDRESS_B			0x00000900	// Link address B
+#define SXG_RCV_STATUS_ADDRESS_A			0x00000800	// Link address A
+#define SXG_RCV_STATUS_ADDRESS_BCAST		0x00000300	// Link address broadcast
+#define SXG_RCV_STATUS_ADDRESS_MCAST		0x00000200	// Link address multicast
+#define SXG_RCV_STATUS_ADDRESS_CMCAST		0x00000100	// Link control multicast
+#define SXG_RCV_STATUS_LINK_MASK			0x000000FF	// Link status mask
+#define SXG_RCV_STATUS_LINK_ERROR			0x00000080	// Link error
+#define SXG_RCV_STATUS_LINK_MASK			0x000000FF	// Link status mask
+#define SXG_RCV_STATUS_LINK_PARITY			0x00000087	// RcvMacQ parity error
+#define SXG_RCV_STATUS_LINK_EARLY			0x00000086	// Data early
+#define SXG_RCV_STATUS_LINK_BUFOFLOW		0x00000085	// Buffer overflow
+#define SXG_RCV_STATUS_LINK_CODE			0x00000084	// Link code error
+#define SXG_RCV_STATUS_LINK_DRIBBLE			0x00000083	// Dribble nibble
+#define SXG_RCV_STATUS_LINK_CRC				0x00000082	// CRC error
+#define SXG_RCV_STATUS_LINK_OFLOW			0x00000081	// Link overflow
+#define SXG_RCV_STATUS_LINK_UFLOW			0x00000080	// Link underflow
+#define SXG_RCV_STATUS_LINK_8023			0x00000020	// 802.3
+#define SXG_RCV_STATUS_LINK_SNAP			0x00000010	// Snap
+#define SXG_RCV_STATUS_LINK_VLAN			0x00000008	// VLAN
+#define SXG_RCV_STATUS_LINK_TYPE_MASK		0x00000007	// Network type mask
+#define SXG_RCV_STATUS_LINK_CONTROL			0x00000003	// Control packet
+#define SXG_RCV_STATUS_LINK_IPV6			0x00000002	// IPv6 packet
+#define SXG_RCV_STATUS_LINK_IPV4			0x00000001	// IPv4 packet
+
+/***************************************************************************
+ * Sahara receive and transmit configuration registers
+ ***************************************************************************/
+#define	RCV_CONFIG_RESET			0x80000000	// RcvConfig register reset
+#define	RCV_CONFIG_ENABLE			0x40000000	// Enable the receive logic
+#define	RCV_CONFIG_ENPARSE			0x20000000	// Enable the receive parser
+#define	RCV_CONFIG_SOCKET			0x10000000	// Enable the socket detector
+#define	RCV_CONFIG_RCVBAD			0x08000000	// Receive all bad frames
+#define	RCV_CONFIG_CONTROL			0x04000000	// Receive all control frames
+#define	RCV_CONFIG_RCVPAUSE			0x02000000	// Enable pause transmit when attn
+#define	RCV_CONFIG_TZIPV6			0x01000000	// Include TCP port w/ IPv6 toeplitz
+#define	RCV_CONFIG_TZIPV4			0x00800000	// Include TCP port w/ IPv4 toeplitz
+#define	RCV_CONFIG_FLUSH			0x00400000	// Flush buffers
+#define	RCV_CONFIG_PRIORITY_MASK	0x00300000	// Priority level
+#define	RCV_CONFIG_HASH_MASK		0x00030000	// Hash depth
+#define	RCV_CONFIG_HASH_8			0x00000000	// Hash depth 8
+#define	RCV_CONFIG_HASH_16			0x00010000	// Hash depth 16
+#define	RCV_CONFIG_HASH_4			0x00020000	// Hash depth 4
+#define	RCV_CONFIG_HASH_2			0x00030000	// Hash depth 2
+#define	RCV_CONFIG_BUFLEN_MASK		0x0000FFF0	// Buffer length bits 15:4. ie multiple of 16.
+#define RCV_CONFIG_SKT_DIS			0x00000008	// Disable socket detection on attn
+// Macro to determine RCV_CONFIG_BUFLEN based on maximum frame size.
+// We add 18 bytes for Sahara receive status and padding, plus 4 bytes for CRC,
+// and round up to nearest 16 byte boundary
+#define RCV_CONFIG_BUFSIZE(_MaxFrame) ((((_MaxFrame) + 22) + 15) & RCV_CONFIG_BUFLEN_MASK)
+
+#define	XMT_CONFIG_RESET			0x80000000	// XmtConfig register reset
+#define	XMT_CONFIG_ENABLE			0x40000000	// Enable transmit logic
+#define	XMT_CONFIG_MAC_PARITY		0x20000000	// Inhibit MAC RAM parity error
+#define	XMT_CONFIG_BUF_PARITY		0x10000000	// Inhibit D2F buffer parity error
+#define	XMT_CONFIG_MEM_PARITY		0x08000000	// Inhibit 1T SRAM parity error
+#define	XMT_CONFIG_INVERT_PARITY	0x04000000	// Invert MAC RAM parity
+#define	XMT_CONFIG_INITIAL_IPID		0x0000FFFF	// Initial IPID
+
+/***************************************************************************
+ * A-XGMAC Registers - Occupy 0x80 - 0xD4 of the SXG_HW_REGS
+ *
+ * Full register descriptions can be found in axgmac.pdf
+ ***************************************************************************/
+// A-XGMAC Configuration Register 0
+#define AXGMAC_CFG0_SUB_RESET		0x80000000		// Sub module reset
+#define AXGMAC_CFG0_RCNTRL_RESET	0x00400000		// Receive control reset
+#define AXGMAC_CFG0_RFUNC_RESET		0x00200000		// Receive function reset
+#define AXGMAC_CFG0_TCNTRL_RESET	0x00040000		// Transmit control reset
+#define AXGMAC_CFG0_TFUNC_RESET		0x00020000		// Transmit function reset
+#define AXGMAC_CFG0_MII_RESET		0x00010000		// MII Management reset
+
+// A-XGMAC Configuration Register 1
+#define AXGMAC_CFG1_XMT_PAUSE		0x80000000		// Allow the sending of Pause frames
+#define AXGMAC_CFG1_XMT_EN			0x40000000		// Enable transmit
+#define AXGMAC_CFG1_RCV_PAUSE		0x20000000		// Allow the detection of Pause frames
+#define AXGMAC_CFG1_RCV_EN			0x10000000		// Enable receive
+#define AXGMAC_CFG1_XMT_STATE		0x04000000		// Current transmit state - READ ONLY
+#define AXGMAC_CFG1_RCV_STATE		0x01000000		// Current receive state - READ ONLY
+#define AXGMAC_CFG1_XOFF_SHORT		0x00001000		// Only pause for 64 slot on XOFF
+#define AXGMAC_CFG1_XMG_FCS1		0x00000400		// Delay transmit FCS 1 4-byte word
+#define AXGMAC_CFG1_XMG_FCS2		0x00000800		// Delay transmit FCS 2 4-byte words
+#define AXGMAC_CFG1_XMG_FCS3		0x00000C00		// Delay transmit FCS 3 4-byte words
+#define AXGMAC_CFG1_RCV_FCS1		0x00000100		// Delay receive FCS 1 4-byte word
+#define AXGMAC_CFG1_RCV_FCS2		0x00000200		// Delay receive FCS 2 4-byte words
+#define AXGMAC_CFG1_RCV_FCS3		0x00000300		// Delay receive FCS 3 4-byte words
+#define AXGMAC_CFG1_PKT_OVERRIDE	0x00000080		// Per-packet override enable
+#define AXGMAC_CFG1_SWAP			0x00000040		// Byte swap enable
+#define AXGMAC_CFG1_SHORT_ASSERT	0x00000020		// ASSERT srdrpfrm on short frame (<64)
+#define AXGMAC_CFG1_RCV_STRICT		0x00000010		// RCV only 802.3AE when CLEAR
+#define AXGMAC_CFG1_CHECK_LEN		0x00000008		// Verify frame length
+#define AXGMAC_CFG1_GEN_FCS			0x00000004		// Generate FCS
+#define AXGMAC_CFG1_PAD_MASK		0x00000003		// Mask for pad bits
+#define AXGMAC_CFG1_PAD_64			0x00000001		// Pad frames to 64 bytes
+#define AXGMAC_CFG1_PAD_VLAN		0x00000002		// Detect VLAN and pad to 68 bytes
+#define AXGMAC_CFG1_PAD_68			0x00000003		// Pad to 68 bytes
+
+// A-XGMAC Configuration Register 2
+#define AXGMAC_CFG2_GEN_PAUSE		0x80000000		// Generate single pause frame (test)
+#define AXGMAC_CFG2_LF_MANUAL		0x08000000		// Manual link fault sequence
+#define AXGMAC_CFG2_LF_AUTO			0x04000000		// Auto link fault sequence
+#define AXGMAC_CFG2_LF_REMOTE		0x02000000		// Remote link fault (READ ONLY)
+#define AXGMAC_CFG2_LF_LOCAL		0x01000000		// Local link fault (READ ONLY)
+#define AXGMAC_CFG2_IPG_MASK		0x001F0000		// Inter packet gap
+#define AXGMAC_CFG2_IPG_SHIFT		16
+#define AXGMAC_CFG2_PAUSE_XMT		0x00008000		// Pause transmit module
+#define AXGMAC_CFG2_IPG_EXTEN		0x00000020		// Enable IPG extension algorithm
+#define AXGMAC_CFG2_IPGEX_MASK		0x0000001F		// IPG extension
+
+// A-XGMAC Configuration Register 3
+#define AXGMAC_CFG3_RCV_DROP		0xFFFF0000		// Receive frame drop filter
+#define AXGMAC_CFG3_RCV_DONT_CARE	0x0000FFFF		// Receive frame don't care filter
+
+// A-XGMAC Station Address Register - Octets 1-4
+#define AXGMAC_SARLOW_OCTET_ONE		0xFF000000		// First octet
+#define AXGMAC_SARLOW_OCTET_TWO		0x00FF0000		// Second octet
+#define AXGMAC_SARLOW_OCTET_THREE	0x0000FF00		// Third octet
+#define AXGMAC_SARLOW_OCTET_FOUR	0x000000FF		// Fourth octet
+
+// A-XGMAC Station Address Register - Octets 5-6
+#define AXGMAC_SARHIGH_OCTET_FIVE	0xFF000000		// Fifth octet
+#define AXGMAC_SARHIGH_OCTET_SIX	0x00FF0000		// Sixth octet
+
+// A-XGMAC Maximum frame length register
+#define AXGMAC_MAXFRAME_XMT			0x3FFF0000		// Maximum transmit frame length
+#define AXGMAC_MAXFRAME_XMT_SHIFT	16
+#define AXGMAC_MAXFRAME_RCV			0x0000FFFF		// Maximum receive frame length
+// This register doesn't need to be written for standard MTU.
+// For jumbo, I'll just statically define the value here.  This
+// value sets the receive byte count to 9036 (0x234C) and the
+// transmit WORD count to 2259 (0x8D3).  These values include 22
+// bytes of padding beyond the jumbo MTU of 9014
+#define AXGMAC_MAXFRAME_JUMBO		0x08D3234C
+
+// A-XGMAC Revision level
+#define AXGMAC_REVISION_MASK		0x0000FFFF		// Revision level
+
+// A-XGMAC AMIIM Command Register
+#define AXGMAC_AMIIM_CMD_START		0x00000008		// Command start
+#define AXGMAC_AMIIM_CMD_MASK		0x00000007		// Command
+#define AXGMAC_AMIIM_CMD_LEGACY_WRITE		1		// 10/100/1000 Mbps Phy Write
+#define AXGMAC_AMIIM_CMD_LEGACY_READ		2		// 10/100/1000 Mbps Phy Read
+#define AXGMAC_AMIIM_CMD_MONITOR_SINGLE		3		// Monitor single PHY
+#define AXGMAC_AMIIM_CMD_MONITOR_MULTIPLE	4		// Monitor multiple contiguous PHYs
+#define AXGMAC_AMIIM_CMD_10G_OPERATION		5		// Present AMIIM Field Reg
+#define AXGMAC_AMIIM_CMD_CLEAR_LINK_FAIL	6		// Clear Link Fail Bit in MIIM
+
+// A-XGMAC AMIIM Field Register
+#define AXGMAC_AMIIM_FIELD_ST		0xC0000000		// 2-bit ST field
+#define AXGMAC_AMIIM_FIELD_ST_SHIFT			30
+#define AXGMAC_AMIIM_FIELD_OP		0x30000000		// 2-bit OP field
+#define AXGMAC_AMIIM_FIELD_OP_SHIFT			28
+#define AXGMAC_AMIIM_FIELD_PORT_ADDR 0x0F800000		// Port address field (hstphyadx in spec)
+#define AXGMAC_AMIIM_FIELD_PORT_SHIFT		23
+#define AXGMAC_AMIIM_FIELD_DEV_ADDR	0x007C0000		// Device address field (hstregadx in spec)
+#define AXGMAC_AMIIM_FIELD_DEV_SHIFT		18
+#define AXGMAC_AMIIM_FIELD_TA		0x00030000		// 2-bit TA field
+#define AXGMAC_AMIIM_FIELD_TA_SHIFT			16
+#define AXGMAC_AMIIM_FIELD_DATA		0x0000FFFF		// Data field
+
+// Values for the AXGMAC_AMIIM_FIELD_OP field in the A-XGMAC AMIIM Field Register
+#define	MIIM_OP_ADDR						0		// MIIM Address set operation
+#define	MIIM_OP_WRITE						1		// MIIM Write register operation
+#define	MIIM_OP_READ						2		// MIIM Read register operation
+#define	MIIM_OP_ADDR_SHIFT	(MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT)
+
+// Values for the AXGMAC_AMIIM_FIELD_PORT_ADDR field in the A-XGMAC AMIIM Field Register
+#define	MIIM_PORT_NUM						1		// All Sahara MIIM modules use port 1
+
+// Values for the AXGMAC_AMIIM_FIELD_DEV_ADDR field in the A-XGMAC AMIIM Field Register
+#define	MIIM_DEV_PHY_PMA					1		// PHY PMA/PMD module MIIM device number
+#define	MIIM_DEV_PHY_PCS					3		// PHY PCS module MIIM device number
+#define	MIIM_DEV_PHY_XS						4		// PHY XS module MIIM device number
+#define	MIIM_DEV_XGXS						5		// XGXS MIIM device number
+
+// Values for the AXGMAC_AMIIM_FIELD_TA field in the A-XGMAC AMIIM Field Register
+#define	MIIM_TA_10GB						2		// set to 2 for 10 GB operation
+
+// A-XGMAC AMIIM Configuration Register
+#define AXGMAC_AMIIM_CFG_NOPREAM	0x00000080		// Bypass preamble of mngmt frame
+#define AXGMAC_AMIIM_CFG_HALF_CLOCK	0x0000007F		// half-clock duration of MDC output
+
+// A-XGMAC AMIIM Indicator Register
+#define AXGMAC_AMIIM_INDC_LINK		0x00000010		// Link status from legacy PHY or MMD
+#define AXGMAC_AMIIM_INDC_MPHY		0x00000008		// Multiple phy operation in progress
+#define AXGMAC_AMIIM_INDC_SPHY		0x00000004		// Single phy operation in progress
+#define AXGMAC_AMIIM_INDC_MON		0x00000002		// Single or multiple monitor cmd
+#define AXGMAC_AMIIM_INDC_BUSY		0x00000001		// Set until cmd operation complete
+
+// Link Status and Control Register
+#define	LS_PHY_CLR_RESET			0x80000000		// Clear reset signal to PHY
+#define	LS_SERDES_POWER_DOWN		0x40000000		// Power down the Sahara Serdes
+#define	LS_XGXS_ENABLE				0x20000000		// Enable the XAUI XGXS logic
+#define	LS_XGXS_CTL					0x10000000		// Hold XAUI XGXS logic reset until Serdes is up
+#define	LS_SERDES_DOWN				0x08000000		// When 0, XAUI Serdes is up and initialization is complete
+#define	LS_TRACE_DOWN				0x04000000		// When 0, Trace Serdes is up and initialization is complete
+#define	LS_PHY_CLK_25MHZ			0x02000000		// Set PHY clock to 25 MHz (else 156.125 MHz)
+#define	LS_PHY_CLK_EN				0x01000000		// Enable clock to PHY
+#define	LS_XAUI_LINK_UP				0x00000010		// XAUI link is up
+#define	LS_XAUI_LINK_CHNG			0x00000008		// XAUI link status has changed
+#define	LS_LINK_ALARM				0x00000004		// Link alarm pin
+#define	LS_ATTN_CTRL_MASK			0x00000003		// Mask link attention control bits
+#define	LS_ATTN_ALARM				0x00000000		// 00 => Attn on link alarm
+#define	LS_ATTN_ALARM_OR_STAT_CHNG	0x00000001		// 01 => Attn on link alarm or status change
+#define	LS_ATTN_STAT_CHNG			0x00000002		// 10 => Attn on link status change
+#define	LS_ATTN_NONE				0x00000003		// 11 => no Attn
+
+// Link Address High Registers
+#define	LINK_ADDR_ENABLE			0x80000000		// Enable this link address
+
+
+/***************************************************************************
+ * XGXS XAUI XGMII Extender registers
+ *
+ * Full register descriptions can be found in mxgxs.pdf
+ ***************************************************************************/
+// XGXS Register Map
+#define XGXS_ADDRESS_CONTROL1		0x0000			// XS Control 1
+#define XGXS_ADDRESS_STATUS1		0x0001			// XS Status 1
+#define XGXS_ADDRESS_DEVID_LOW		0x0002			// XS Device ID (low)
+#define XGXS_ADDRESS_DEVID_HIGH		0x0003			// XS Device ID (high)
+#define XGXS_ADDRESS_SPEED			0x0004			// XS Speed ability
+#define XGXS_ADDRESS_DEV_LOW		0x0005			// XS Devices in package
+#define XGXS_ADDRESS_DEV_HIGH		0x0006			// XS Devices in package
+#define XGXS_ADDRESS_STATUS2		0x0008			// XS Status 2
+#define XGXS_ADDRESS_PKGID_lOW		0x000E			// XS Package Identifier
+#define XGXS_ADDRESS_PKGID_HIGH		0x000F			// XS Package Identifier
+#define XGXS_ADDRESS_LANE_STATUS	0x0018			// 10G XGXS Lane Status
+#define XGXS_ADDRESS_TEST_CTRL		0x0019			// 10G XGXS Test Control
+#define XGXS_ADDRESS_RESET_LO1		0x8000			// Vendor-Specific Reset Lo 1
+#define XGXS_ADDRESS_RESET_LO2		0x8001			// Vendor-Specific Reset Lo 2
+#define XGXS_ADDRESS_RESET_HI1		0x8002			// Vendor-Specific Reset Hi 1
+#define XGXS_ADDRESS_RESET_HI2		0x8003			// Vendor-Specific Reset Hi 2
+
+// XS Control 1 register bit definitions
+#define XGXS_CONTROL1_RESET			0x8000			// Reset - self clearing
+#define XGXS_CONTROL1_LOOPBACK		0x4000			// Enable loopback
+#define XGXS_CONTROL1_SPEED1		0x2000			// 0 = unspecified, 1 = 10Gb+
+#define XGXS_CONTROL1_LOWPOWER		0x0400			// 1 = Low power mode
+#define XGXS_CONTROL1_SPEED2		0x0040			// Same as SPEED1 (?)
+#define XGXS_CONTROL1_SPEED			0x003C			// Everything reserved except zero (?)
+
+// XS Status 1 register bit definitions
+#define XGXS_STATUS1_FAULT			0x0080			// Fault detected
+#define XGXS_STATUS1_LINK			0x0004			// 1 = Link up
+#define XGXS_STATUS1_LOWPOWER		0x0002			// 1 = Low power supported
+
+// XS Speed register bit definitions
+#define XGXS_SPEED_10G				0x0001			// 1 = 10G capable
+
+// XS Devices register bit definitions
+#define XGXS_DEVICES_DTE			0x0020			// DTE XS Present
+#define XGXS_DEVICES_PHY			0x0010			// PHY XS Present
+#define XGXS_DEVICES_PCS			0x0008			// PCS Present
+#define XGXS_DEVICES_WIS			0x0004			// WIS Present
+#define XGXS_DEVICES_PMD			0x0002			// PMD/PMA Present
+#define XGXS_DEVICES_CLAUSE22		0x0001			// Clause 22 registers present
+
+// XS Devices High register bit definitions
+#define XGXS_DEVICES_VENDOR2		0x8000			// Vendor specific device 2
+#define XGXS_DEVICES_VENDOR1		0x4000			// Vendor specific device 1
+
+// XS Status 2 register bit definitions
+#define XGXS_STATUS2_DEV_MASK		0xC000			// Device present mask
+#define XGXS_STATUS2_DEV_RESPOND	0x8000			// Device responding
+#define XGXS_STATUS2_XMT_FAULT		0x0800			// Transmit fault
+#define XGXS_STATUS2_RCV_FAULT		0x0400			// Receive fault
+
+// XS Package ID High register bit definitions
+#define XGXS_PKGID_HIGH_ORG			0xFC00			// Organizationally Unique
+#define XGXS_PKGID_HIGH_MFG			0x03F0			// Manufacturer Model
+#define XGXS_PKGID_HIGH_REV			0x000F			// Revision Number
+
+// XS Lane Status register bit definitions
+#define XGXS_LANE_PHY				0x1000			// PHY/DTE lane alignment status
+#define XGXS_LANE_PATTERN			0x0800			// Pattern testing ability
+#define XGXS_LANE_LOOPBACK			0x0400			// PHY loopback ability
+#define XGXS_LANE_SYNC3				0x0008			// Lane 3 sync
+#define XGXS_LANE_SYNC2				0x0004			// Lane 2 sync
+#define XGXS_LANE_SYNC1				0x0002			// Lane 1 sync
+#define XGXS_LANE_SYNC0				0x0001			// Lane 0 sync
+
+// XS Test Control register bit definitions
+#define XGXS_TEST_PATTERN_ENABLE	0x0004			// Test pattern enabled
+#define XGXS_TEST_PATTERN_MASK		0x0003			// Test patterns
+#define XGXS_TEST_PATTERN_RSVD		0x0003			// Test pattern - reserved
+#define XGXS_TEST_PATTERN_MIX		0x0002			// Test pattern - mixed
+#define XGXS_TEST_PATTERN_LOW		0x0001			// Test pattern - low
+#define XGXS_TEST_PATTERN_HIGH		0x0001			// Test pattern - high
+
+/***************************************************************************
+ * External MDIO Bus Registers
+ *
+ * Full register descriptions can be found in PHY/XENPAK/IEEE specs
+ ***************************************************************************/
+// LASI (Link Alarm Status Interrupt) Registers (located in MIIM_DEV_PHY_PMA device)
+#define LASI_RX_ALARM_CONTROL		0x9000			// LASI RX_ALARM Control
+#define LASI_TX_ALARM_CONTROL		0x9001			// LASI TX_ALARM Control
+#define LASI_CONTROL				0x9002			// LASI Control
+#define LASI_RX_ALARM_STATUS		0x9003			// LASI RX_ALARM Status
+#define LASI_TX_ALARM_STATUS		0x9004			// LASI TX_ALARM Status
+#define LASI_STATUS					0x9005			// LASI Status
+
+// LASI_CONTROL bit definitions
+#define	LASI_CTL_RX_ALARM_ENABLE	0x0004			// Enable RX_ALARM interrupts
+#define	LASI_CTL_TX_ALARM_ENABLE	0x0002			// Enable TX_ALARM interrupts
+#define	LASI_CTL_LS_ALARM_ENABLE	0x0001			// Enable Link Status interrupts
+
+// LASI_STATUS bit definitions
+#define	LASI_STATUS_RX_ALARM		0x0004			// RX_ALARM status
+#define	LASI_STATUS_TX_ALARM		0x0002			// TX_ALARM status
+#define	LASI_STATUS_LS_ALARM		0x0001			// Link Status
+
+// PHY registers - PMA/PMD (device 1)
+#define	PHY_PMA_CONTROL1			0x0000			// PMA/PMD Control 1
+#define	PHY_PMA_STATUS1				0x0001			// PMA/PMD Status 1
+#define	PHY_PMA_RCV_DET				0x000A			// PMA/PMD Receive Signal Detect
+		// other PMA/PMD registers exist and can be defined as needed
+
+// PHY registers - PCS (device 3)
+#define	PHY_PCS_CONTROL1			0x0000			// PCS Control 1
+#define	PHY_PCS_STATUS1				0x0001			// PCS Status 1
+#define	PHY_PCS_10G_STATUS1			0x0020			// PCS 10GBASE-R Status 1
+		// other PCS registers exist and can be defined as needed
+
+// PHY registers - XS (device 4)
+#define	PHY_XS_CONTROL1				0x0000			// XS Control 1
+#define	PHY_XS_STATUS1				0x0001			// XS Status 1
+#define	PHY_XS_LANE_STATUS			0x0018			// XS Lane Status
+		// other XS registers exist and can be defined as needed
+
+// PHY_PMA_CONTROL1 register bit definitions
+#define	PMA_CONTROL1_RESET			0x8000			// PMA/PMD reset
+
+// PHY_PMA_RCV_DET register bit definitions
+#define	PMA_RCV_DETECT				0x0001			// PMA/PMD receive signal detect
+
+// PHY_PCS_10G_STATUS1 register bit definitions
+#define	PCS_10B_BLOCK_LOCK			0x0001			// PCS 10GBASE-R locked to receive blocks
+
+// PHY_XS_LANE_STATUS register bit definitions
+#define	XS_LANE_ALIGN				0x1000			// XS transmit lanes aligned
+
+// PHY Microcode download data structure
+typedef struct _PHY_UCODE {
+	ushort	Addr;
+	ushort	Data;
+} PHY_UCODE, *PPHY_UCODE;
+
+
+/*****************************************************************************
+ * Transmit Sequencer Command Descriptor definitions
+ *****************************************************************************/
+
+// This descriptor must be placed in GRAM.  The address of this descriptor
+// (along with a couple of control bits) is pushed onto the PxhCmdQ or PxlCmdQ
+// (Proxy high or low command queue).  This data is read by the Proxy Sequencer,
+// which pushes it onto the XmtCmdQ, which is (eventually) read by the Transmit
+// Sequencer, causing a packet to be transmitted.  Not all fields are valid for
+// all commands - see the Sahara spec for details.  Note that this structure is
+// only valid when compiled on a little endian machine.
+#pragma pack(push, 1)
+typedef struct _XMT_DESC {
+	ushort	XmtLen;			// word 0, bits [15:0] -  transmit length
+	unsigned char	XmtCtl;			// word 0, bits [23:16] - transmit control byte
+	unsigned char	Cmd;			// word 0, bits [31:24] - transmit command plus misc.
+	u32	XmtBufId;		// word 1, bits [31:0] -  transmit buffer ID
+	unsigned char	TcpStrt;		// word 2, bits [7:0] -   byte address of TCP header
+	unsigned char	IpStrt;			// word 2, bits [15:8] -  byte address of IP header
+	ushort	IpCkSum;		// word 2, bits [31:16] - partial IP checksum
+	ushort	TcpCkSum;		// word 3, bits [15:0] -  partial TCP checksum
+	ushort	Rsvd1;			// word 3, bits [31:16] - PAD
+	u32	Rsvd2;			// word 4, bits [31:0] -  PAD
+	u32	Rsvd3;			// word 5, bits [31:0] -  PAD
+	u32	Rsvd4;		    // word 6, bits [31:0] -  PAD
+	u32	Rsvd5;		    // word 7, bits [31:0] -  PAD
+} XMT_DESC, *PXMT_DESC;
+#pragma pack(pop)
+
+// XMT_DESC Cmd byte definitions
+		// command codes
+#define XMT_DESC_CMD_RAW_SEND		0		// raw send descriptor
+#define XMT_DESC_CMD_CSUM_INSERT	1		// checksum insert descriptor
+#define XMT_DESC_CMD_FORMAT			2		// format descriptor
+#define XMT_DESC_CMD_PRIME			3		// prime descriptor
+#define XMT_DESC_CMD_CODE_SHFT		6		// comand code shift (shift to bits [31:30] in word 0)
+		// shifted command codes
+#define XMT_RAW_SEND		(XMT_DESC_CMD_RAW_SEND    << XMT_DESC_CMD_CODE_SHFT)
+#define XMT_CSUM_INSERT		(XMT_DESC_CMD_CSUM_INSERT << XMT_DESC_CMD_CODE_SHFT)
+#define XMT_FORMAT			(XMT_DESC_CMD_FORMAT      << XMT_DESC_CMD_CODE_SHFT)
+#define XMT_PRIME			(XMT_DESC_CMD_PRIME       << XMT_DESC_CMD_CODE_SHFT)
+
+// XMT_DESC Control Byte (XmtCtl) definitions
+// NOTE:  These bits do not work on Sahara (Rev A)!
+#define	XMT_CTL_PAUSE_FRAME			0x80	// current frame is a pause control frame (for statistics)
+#define	XMT_CTL_CONTROL_FRAME		0x40	// current frame is a control frame (for statistics)
+#define	XMT_CTL_PER_PKT_QUAL		0x20	// per packet qualifier
+#define	XMT_CTL_PAD_MODE_NONE		0x00	// do not pad frame
+#define	XMT_CTL_PAD_MODE_64			0x08	// pad frame to 64 bytes
+#define	XMT_CTL_PAD_MODE_VLAN_68	0x10	// pad frame to 64 bytes, and VLAN frames to 68 bytes
+#define	XMT_CTL_PAD_MODE_68			0x18	// pad frame to 68 bytes
+#define	XMT_CTL_GEN_FCS				0x04	// generate FCS (CRC) for this frame
+#define	XMT_CTL_DELAY_FCS_0			0x00	// do not delay FCS calcution
+#define	XMT_CTL_DELAY_FCS_1			0x01	// delay FCS calculation by 1 (4-byte) word
+#define	XMT_CTL_DELAY_FCS_2			0x02	// delay FCS calculation by 2 (4-byte) words
+#define	XMT_CTL_DELAY_FCS_3			0x03	// delay FCS calculation by 3 (4-byte) words
+
+// XMT_DESC XmtBufId definition
+#define XMT_BUF_ID_SHFT		8			// The Xmt buffer ID is formed by dividing
+										// the buffer (DRAM) address by 256 (or << 8)
+
+/*****************************************************************************
+ * Receiver Sequencer Definitions
+ *****************************************************************************/
+
+// Receive Event Queue (queues 3 - 6) bit definitions
+#define	RCV_EVTQ_RBFID_MASK		0x0000FFFF	// bit mask for the Receive Buffer ID
+
+// Receive Buffer ID definition
+#define RCV_BUF_ID_SHFT		5			// The Rcv buffer ID is formed by dividing
+										// the buffer (DRAM) address by 32 (or << 5)
+
+// Format of the 18 byte Receive Buffer returned by the
+// Receive Sequencer for received packets
+#pragma pack(push, 1)
+typedef struct _RCV_BUF_HDR {
+	u32	Status;				// Status word from Rcv Seq Parser
+	ushort	Length;				// Rcv packet byte count
+	union {
+		ushort		TcpCsum;	// TCP checksum
+		struct {
+			unsigned char	TcpCsumL;	// lower 8 bits of the TCP checksum
+			unsigned char	LinkHash;	// Link hash (multicast frames only)
+		};
+	};
+	ushort	SktHash;			// Socket hash
+	unsigned char	TcpHdrOffset;		// TCP header offset into packet
+	unsigned char	IpHdrOffset;		// IP header offset into packet
+	u32	TpzHash;			// Toeplitz hash
+	ushort	Reserved;			// Reserved
+} RCV_BUF_HDR, *PRCV_BUF_HDR;
+#pragma pack(pop)
+
+
+/*****************************************************************************
+ * Queue definitions
+ *****************************************************************************/
+
+// Ingress (read only) queue numbers
+#define PXY_BUF_Q		0		// Proxy Buffer Queue
+#define HST_EVT_Q		1		// Host Event Queue
+#define XMT_BUF_Q		2		// Transmit Buffer Queue
+#define SKT_EVL_Q		3		// RcvSqr Socket Event Low Priority Queue
+#define RCV_EVL_Q		4		// RcvSqr Rcv Event Low Priority Queue
+#define SKT_EVH_Q		5		// RcvSqr Socket Event High Priority Queue
+#define RCV_EVH_Q		6		// RcvSqr Rcv Event High Priority Queue
+#define DMA_RSP_Q		7		// Dma Response Queue - one per CPU context
+// Local (read/write) queue numbers
+#define LOCAL_A_Q		8		// Spare local Queue
+#define LOCAL_B_Q		9		// Spare local Queue
+#define LOCAL_C_Q		10		// Spare local Queue
+#define FSM_EVT_Q		11		// Finite-State-Machine Event Queue
+#define SBF_PAL_Q		12		// System Buffer Physical Address (low) Queue
+#define SBF_PAH_Q		13		// System Buffer Physical Address (high) Queue
+#define SBF_VAL_Q		14		// System Buffer Virtual Address (low) Queue
+#define SBF_VAH_Q		15		// System Buffer Virtual Address (high) Queue
+// Egress (write only) queue numbers
+#define H2G_CMD_Q		16		// Host to GlbRam DMA Command Queue
+#define H2D_CMD_Q		17		// Host to DRAM DMA Command Queue
+#define G2H_CMD_Q		18		// GlbRam to Host DMA Command Queue
+#define G2D_CMD_Q		19		// GlbRam to DRAM DMA Command Queue
+#define D2H_CMD_Q		20		// DRAM to Host DMA Command Queue
+#define D2G_CMD_Q		21		// DRAM to GlbRam DMA Command Queue
+#define D2D_CMD_Q		22		// DRAM to DRAM DMA Command Queue
+#define PXL_CMD_Q		23		// Low Priority Proxy Command Queue
+#define PXH_CMD_Q		24		// High Priority Proxy Command Queue
+#define RSQ_CMD_Q		25		// Receive Sequencer Command Queue
+#define RCV_BUF_Q		26		// Receive Buffer Queue
+
+// Bit definitions for the Proxy Command queues (PXL_CMD_Q and PXH_CMD_Q)
+#define PXY_COPY_EN		0x00200000		// enable copy of xmt descriptor to xmt command queue
+#define PXY_SIZE_16		0x00000000		// copy 16 bytes
+#define PXY_SIZE_32		0x00100000		// copy 32 bytes
+
+/*****************************************************************************
+ * SXG EEPROM/Flash Configuration Definitions
+ *****************************************************************************/
+#pragma pack(push, 1)
+
+//
+typedef struct _HW_CFG_DATA {
+	ushort		Addr;
+	union {
+		ushort	Data;
+		ushort	Checksum;
+	};
+} HW_CFG_DATA, *PHW_CFG_DATA;
+
+//
+#define	NUM_HW_CFG_ENTRIES	((128/sizeof(HW_CFG_DATA)) - 4)
+
+// MAC address
+typedef struct _SXG_CONFIG_MAC {
+	unsigned char		MacAddr[6];			// MAC Address
+} SXG_CONFIG_MAC, *PSXG_CONFIG_MAC;
+
+//
+typedef struct _ATK_FRU {
+	unsigned char		PartNum[6];
+	unsigned char		Revision[2];
+	unsigned char		Serial[14];
+} ATK_FRU, *PATK_FRU;
+
+// OEM FRU Format types
+#define	ATK_FRU_FORMAT		0x0000
+#define CPQ_FRU_FORMAT		0x0001
+#define DELL_FRU_FORMAT		0x0002
+#define HP_FRU_FORMAT		0x0003
+#define IBM_FRU_FORMAT		0x0004
+#define EMC_FRU_FORMAT		0x0005
+#define NO_FRU_FORMAT		0xFFFF
+
+// EEPROM/Flash Format
+typedef struct _SXG_CONFIG {
+	//
+	// Section 1 (128 bytes)
+	//
+	ushort			MagicWord;			// EEPROM/FLASH Magic code 'A5A5'
+	ushort			SpiClks;			// SPI bus clock dividers
+	HW_CFG_DATA		HwCfg[NUM_HW_CFG_ENTRIES];
+	//
+	//
+	//
+	ushort			Version;			// EEPROM format version
+	SXG_CONFIG_MAC	MacAddr[4];			// space for 4 MAC addresses
+	ATK_FRU			AtkFru;				// FRU information
+	ushort			OemFruFormat;		// OEM FRU format type
+	unsigned char			OemFru[76];			// OEM FRU information (optional)
+	ushort			Checksum;			// Checksum of section 2
+	// CS info XXXTODO
+} SXG_CONFIG, *PSXG_CONFIG;
+#pragma pack(pop)
+
+/*****************************************************************************
+ * Miscellaneous Hardware definitions
+ *****************************************************************************/
+
+// Sahara (ASIC level) defines
+#define SAHARA_GRAM_SIZE			0x020000		// GRAM size - 128 KB
+#define SAHARA_DRAM_SIZE			0x200000		// DRAM size - 2 MB
+#define SAHARA_QRAM_SIZE			0x004000		// QRAM size - 16K entries (64 KB)
+#define SAHARA_WCS_SIZE				0x002000		// WCS - 8K instructions (x 108 bits)
+
+// Arabia (board level) defines
+#define	FLASH_SIZE				0x080000		// 512 KB (4 Mb)
+#define	EEPROM_SIZE_XFMR		512				// true EEPROM size (bytes), including xfmr area
+#define	EEPROM_SIZE_NO_XFMR		256				// EEPROM size excluding xfmr area
diff --git a/drivers/staging/sxg/sxgphycode.h b/drivers/staging/sxg/sxgphycode.h
new file mode 100644
index 00000000000..26b36c81eb1
--- /dev/null
+++ b/drivers/staging/sxg/sxgphycode.h
@@ -0,0 +1,349 @@
+/*
+ * Copyright (C) 1997-2008 Alacritech, Inc. All rights reserved
+ *
+ * sxgphycode.h:
+ *
+ * This file PHY microcode and register initialization data.
+ */
+
+/**********************************************************************
+ * PHY Microcode
+ *
+ * The following contains both PHY microcode and PHY register
+ * initialization data.  It is specific to both the PHY and the
+ * type of transceiver.
+ *
+ **********************************************************************/
+
+/*
+ * Download for AEL2005C PHY with SR/LR transceiver (10GBASE-SR or 10GBASE-LR)
+ */
+static PHY_UCODE PhyUcode[] = {
+	/*
+	 * NOTE:  An address of 0 is a special case.  When the download routine
+	 * sees an address of 0, it does not write to the PHY.  Instead, it
+	 * delays the download.  The length of the delay (in ms) is given in
+	 * the data field.
+	 *
+	 * Delays are required at certain points.
+	 */
+
+	/*
+	 * Platform-specific MDIO Patches:
+	 * (include patches for 10G RX polarity flip, 50Mhz Synth, etc)
+	 */
+	/* Addr, Data */
+	{0xc017, 0xfeb0},	/* flip RX_LOS polarity (mandatory */
+				/*  patch for SFP+ applications) */
+	{0xC001, 0x0428},	/* flip RX serial polarity */
+
+	{0xc013, 0xf341},	/* invert lxmit clock (mandatory patch) */
+	{0xc210, 0x8000},	/* reset datapath (mandatory patch) */
+	{0xc210, 0x8100},	/* reset datapath (mandatory patch) */
+	{0xc210, 0x8000},	/* reset datapath (mandatory patch) */
+	{0xc210, 0x0000},	/* reset datapath (mandatory patch) */
+	{0x0000, 0x0032},	/* wait for 50ms for datapath reset to */
+				/* complete. (mandatory patch) */
+
+	/* Configure the LED's */
+	{0xc214, 0x0099},	/* configure the LED drivers */
+	{0xc216, 0x5f5f},	/* configure the Activity LED */
+	{0xc217, 0x33ff},	/* configure the Link LED */
+
+	/* Transceiver-specific MDIO Patches: */
+	{0xc010, 0x448a},	/* (bit 14) mask out high BER input from the */
+				/* LOS signal in 1.000A */
+				/* (mandatory patch for SR code)*/
+	{0xc003, 0x0181},	/* (bit 7) enable the CDR inc setting in */
+				/* 1.C005 (mandatory patch for SR code) */
+
+	/* Transceiver-specific Microcontroller Initialization: */
+	{0xc04a, 0x5200},	/* activate microcontroller and pause */
+	{0x0000, 0x0032},	/* wait 50ms for microcontroller before */
+				/* writing in code. */
+
+	/* code block starts here: */
+	{0xcc00, 0x2009},
+	{0xcc01, 0x3009},
+	{0xcc02, 0x27ff},
+	{0xcc03, 0x300f},
+	{0xcc04, 0x200c},
+	{0xcc05, 0x300c},
+	{0xcc06, 0x20c4},
+	{0xcc07, 0x3c04},
+	{0xcc08, 0x6437},
+	{0xcc09, 0x20c4},
+	{0xcc0a, 0x3c04},
+	{0xcc0b, 0x6437},
+	{0xcc0c, 0x25c4},
+	{0xcc0d, 0x3c54},
+	{0xcc0e, 0x6724},
+	{0xcc0f, 0x25c4},
+	{0xcc10, 0x3c54},
+	{0xcc11, 0x6724},
+	{0xcc12, 0x2042},
+	{0xcc13, 0x3012},
+	{0xcc14, 0x1002},
+	{0xcc15, 0x2482},
+	{0xcc16, 0x3012},
+	{0xcc17, 0x1002},
+	{0xcc18, 0x2a32},
+	{0xcc19, 0x3002},
+	{0xcc1a, 0x1002},
+	{0xcc1b, 0x200d},
+	{0xcc1c, 0x304d},
+	{0xcc1d, 0x2862},
+	{0xcc1e, 0x3012},
+	{0xcc1f, 0x1002},
+	{0xcc20, 0x2982},
+	{0xcc21, 0x3002},
+	{0xcc22, 0x1002},
+	{0xcc23, 0x628f},
+	{0xcc24, 0x20a4},
+	{0xcc25, 0x3004},
+	{0xcc26, 0x6438},
+	{0xcc27, 0x20a4},
+	{0xcc28, 0x3004},
+	{0xcc29, 0x6438},
+	{0xcc2a, 0x2015},
+	{0xcc2b, 0x3005},
+	{0xcc2c, 0x5853},
+	{0xcc2d, 0x2bd2},
+	{0xcc2e, 0x3002},
+	{0xcc2f, 0x1342},
+	{0xcc30, 0x200c},
+	{0xcc31, 0x300c},
+	{0xcc32, 0x2ff7},
+	{0xcc33, 0x30f7},
+	{0xcc34, 0x20c4},
+	{0xcc35, 0x3c04},
+	{0xcc36, 0x6724},
+	{0xcc37, 0x20c4},
+	{0xcc38, 0x3c04},
+	{0xcc39, 0x6724},
+	{0xcc3a, 0x2d32},
+	{0xcc3b, 0x3002},
+	{0xcc3c, 0x1002},
+	{0xcc3d, 0x2008},
+	{0xcc3e, 0x3008},
+	{0xcc3f, 0x5c83},
+	{0xcc40, 0x2d52},
+	{0xcc41, 0x3002},
+	{0xcc42, 0x1352},
+	{0xcc43, 0x2008},
+	{0xcc44, 0x3008},
+	{0xcc45, 0x5c83},
+	{0xcc46, 0x2d32},
+	{0xcc47, 0x3002},
+	{0xcc48, 0x1352},
+	{0xcc49, 0x201c},
+	{0xcc4a, 0x300c},
+	{0xcc4b, 0x200d},
+	{0xcc4c, 0x310d},
+	{0xcc4d, 0x2862},
+	{0xcc4e, 0x3012},
+	{0xcc4f, 0x1002},
+	{0xcc50, 0x2ed2},
+	{0xcc51, 0x3002},
+	{0xcc52, 0x1342},
+	{0xcc53, 0x6f72},
+	{0xcc54, 0x1002},
+	{0xcc55, 0x628f},
+	{0xcc56, 0x2514},
+	{0xcc57, 0x3c64},
+	{0xcc58, 0x6436},
+	{0xcc59, 0x2514},
+	{0xcc5a, 0x3c64},
+	{0xcc5b, 0x6436},
+	{0xcc5c, 0x2fa4},
+	{0xcc5d, 0x3cd4},
+	{0xcc5e, 0x6624},
+	{0xcc5f, 0x2fa4},
+	{0xcc60, 0x3cd4},
+	{0xcc61, 0x6624},
+	{0xcc62, 0x2f45},
+	{0xcc63, 0x3015},
+	{0xcc64, 0x5653},
+	{0xcc65, 0x2eb2},
+	{0xcc66, 0x3002},
+	{0xcc67, 0x13d2},
+	{0xcc68, 0x2ed2},
+	{0xcc69, 0x3002},
+	{0xcc6a, 0x1002},
+	{0xcc6b, 0x6f72},
+	{0xcc6c, 0x1002},
+	{0xcc6d, 0x628f},
+	{0xcc6e, 0x2602},
+	{0xcc6f, 0x3012},
+	{0xcc70, 0x1002},
+	{0xcc71, 0x200d},
+	{0xcc72, 0x320d},
+	{0xcc73, 0x2862},
+	{0xcc74, 0x3012},
+	{0xcc75, 0x1002},
+	{0xcc76, 0x25c4},
+	{0xcc77, 0x3c54},
+	{0xcc78, 0x6437},
+	{0xcc79, 0x25c4},
+	{0xcc7a, 0x3c54},
+	{0xcc7b, 0x6437},
+	{0xcc7c, 0x20c4},
+	{0xcc7d, 0x3c04},
+	{0xcc7e, 0x6724},
+	{0xcc7f, 0x20c4},
+	{0xcc80, 0x3c04},
+	{0xcc81, 0x6724},
+	{0xcc82, 0x6f72},
+	{0xcc83, 0x1002},
+	{0xcc84, 0x628f},
+	{0xcc85, 0x26f2},
+	{0xcc86, 0x3012},
+	{0xcc87, 0x1002},
+	{0xcc88, 0xc503},
+	{0xcc89, 0xd5d5},
+	{0xcc8a, 0xc600},
+	{0xcc8b, 0x2a6d},
+	{0xcc8c, 0xc601},
+	{0xcc8d, 0x2a4c},
+	{0xcc8e, 0xc602},
+	{0xcc8f, 0x0111},
+	{0xcc90, 0xc60c},
+	{0xcc91, 0x5900},
+	{0xcc92, 0xc710},
+	{0xcc93, 0x0700},
+	{0xcc94, 0xc718},
+	{0xcc95, 0x0700},
+	{0xcc96, 0xc720},
+	{0xcc97, 0x4700},
+	{0xcc98, 0xc801},
+	{0xcc99, 0x7f50},
+	{0xcc9a, 0xc802},
+	{0xcc9b, 0x7760},
+	{0xcc9c, 0xc803},
+	{0xcc9d, 0x7fce},
+	{0xcc9e, 0xc804},
+	{0xcc9f, 0x5700},
+	{0xcca0, 0xc805},
+	{0xcca1, 0x5f11},
+	{0xcca2, 0xc806},
+	{0xcca3, 0x4751},
+	{0xcca4, 0xc807},
+	{0xcca5, 0x57e1},
+	{0xcca6, 0xc808},
+	{0xcca7, 0x2700},
+	{0xcca8, 0xc809},
+	{0xcca9, 0x0000},
+	{0xccaa, 0xc821},
+	{0xccab, 0x0002},
+	{0xccac, 0xc822},
+	{0xccad, 0x0014},
+	{0xccae, 0xc832},
+	{0xccaf, 0x1186},
+	{0xccb0, 0xc847},
+	{0xccb1, 0x1e02},
+	{0xccb2, 0xc013},
+	{0xccb3, 0xf341},
+	{0xccb4, 0xc01a},
+	{0xccb5, 0x0446},
+	{0xccb6, 0xc024},
+	{0xccb7, 0x1000},
+	{0xccb8, 0xc025},
+	{0xccb9, 0x0a00},
+	{0xccba, 0xc026},
+	{0xccbb, 0x0c0c},
+	{0xccbc, 0xc027},
+	{0xccbd, 0x0c0c},
+	{0xccbe, 0xc029},
+	{0xccbf, 0x00a0},
+	{0xccc0, 0xc030},
+	{0xccc1, 0x0a00},
+	{0xccc2, 0xc03c},
+	{0xccc3, 0x001c},
+	{0xccc4, 0xc005},
+	{0xccc5, 0x7a06},
+	{0xccc6, 0x0000},
+	{0xccc7, 0x0000},
+	{0xccc8, 0x628f},
+	{0xccc9, 0x26f2},
+	{0xccca, 0x3012},
+	{0xcccb, 0x1002},
+	{0xcccc, 0xc620},
+	{0xcccd, 0x0000},
+	{0xccce, 0xc621},
+	{0xcccf, 0x003f},
+	{0xccd0, 0xc622},
+	{0xccd1, 0x0000},
+	{0xccd2, 0xc623},
+	{0xccd3, 0x0000},
+	{0xccd4, 0xc624},
+	{0xccd5, 0x0000},
+	{0xccd6, 0xc625},
+	{0xccd7, 0x0000},
+	{0xccd8, 0xc627},
+	{0xccd9, 0x0000},
+	{0xccda, 0xc628},
+	{0xccdb, 0x0000},
+	{0xccdc, 0xc62c},
+	{0xccdd, 0x0000},
+	{0xccde, 0x0000},
+	{0xccdf, 0x0000},
+	{0xcce0, 0x628f},
+	{0xcce1, 0xd019},
+	{0xcce2, 0x26f2},
+	{0xcce3, 0x3012},
+	{0xcce4, 0x1002},
+	{0xcce5, 0xc210},
+	{0xcce6, 0x8000},
+	{0xcce7, 0xc210},
+	{0xcce8, 0x8010},
+	{0xcce9, 0xc210},
+	{0xccea, 0x8000},
+	{0xcceb, 0xc210},
+	{0xccec, 0x0000},
+	{0xcced, 0x0000},
+	{0xccee, 0x0000},
+	{0xccef, 0x8221},
+	{0xccf0, 0x2752},
+	{0xccf1, 0x3012},
+	{0xccf2, 0x1002},
+	{0xccf3, 0x6f72},
+	{0xccf4, 0x1002},
+	{0xccf5, 0x2806},
+	{0xccf6, 0x3006},
+	{0xccf7, 0x2007},
+	{0xccf8, 0x3cc7},
+	{0xccf9, 0xe161},
+	{0xccfa, 0xc171},
+	{0xccfb, 0x6134},
+	{0xccfc, 0x6135},
+	{0xccfd, 0x5453},
+	{0xccfe, 0x2858},
+	{0xccff, 0x3018},
+	{0xcd00, 0x1348},
+	{0xcd01, 0x6524},
+	{0xcd02, 0x27b8},
+	{0xcd03, 0x3018},
+	{0xcd04, 0x1008},
+	{0xcd05, 0x1002},
+	{0xcd06, 0x628f},
+	{0xcd07, 0x5dd3},
+	{0xcd08, 0x2906},
+	{0xcd09, 0x3016},
+	{0xcd0a, 0x1306},
+	{0xcd0b, 0x2ff7},
+	{0xcd0c, 0x30f7},
+	{0xcd0d, 0x60b7},
+	{0xcd0e, 0xdffd},
+	{0xcd0f, 0x0008},
+	{0xcd10, 0x6f72},
+	{0xcd11, 0x1002},
+	{0xcd12, 0x0000},
+	{0xcdff, 0x0a01},
+	/* end of code block */
+
+	/* Unpause the microcontroller to start program */
+	{0xca00, 0x0080},
+	{0xca12, 0x0000},
+	{0x0000, 0x000A},	/* wait 10ms just to be safe */
+	{0xffff, 0xffff}	/* table terminator */
+};
-- 
GitLab


From cff338a9bd9d1acd6067d3ec93e846830e0b5974 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 21 Mar 2008 14:12:51 -0700
Subject: [PATCH 0341/2224] Staging: add me4000 firmware files

Originally written by Guenter Gebhardt <g.gebhardt@meilhaus.de>

TODO:
	move this to the request_firmware() interface

Cc: Wolfgang Beiter <w.beiter@aon.at>
Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/me4000/me4000_firmware.h | 10033 +++++++++++++++++++++
 drivers/staging/me4000/me4610_firmware.h |  5409 +++++++++++
 2 files changed, 15442 insertions(+)
 create mode 100644 drivers/staging/me4000/me4000_firmware.h
 create mode 100644 drivers/staging/me4000/me4610_firmware.h

diff --git a/drivers/staging/me4000/me4000_firmware.h b/drivers/staging/me4000/me4000_firmware.h
new file mode 100644
index 00000000000..87c23f6757b
--- /dev/null
+++ b/drivers/staging/me4000/me4000_firmware.h
@@ -0,0 +1,10033 @@
+/*
+   This file is copyright by Meilhaus Electronic GmbH 2003.
+   You are not allowed to distribute, sell, modify, reverse engineer or use this
+   code (or parts of it) for any other purpose or under any other conditions
+   than stated below.
+
+   1) You are allowed to distribute verbatim copies of this file together
+   with device drivers for the Meilhaus ME-4000, board family.
+
+   2) Derived work (device drivers using this file) can be published under
+   the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version. Any other license terms have
+   to be agreed by Meilhaus GmbH in written.
+
+   2) This file is distributed WITHOUT ANY WARRANTY;
+   without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE. Meilhaus is under
+   no means liable for products using this file or parts of it.
+
+   3) The copyright of this file has to be mentioned in derived work.
+
+   4) If this license terms are not valid due to any other law
+   or restrictions imposed on you, you are not allowed to use
+   this file in any way at all.
+ */
+
+/* Version 18 of standard firmware */
+static unsigned char xilinx_firm[] = {
+0x00, 0x01, 0xfb, 0xdc, 0x01, 0x01, 0x04, 0x00, 0x00, 0x09, 0x04, 0x02, 0x00,
+0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x99, 0xAA, 0x66, 0x0C, 0x00,
+0x01, 0x80, 0x00, 0x00, 0x00, 0xE0, 0x0C, 0x80, 0x06, 0x80, 0x00, 0x00, 0x00,
+0xF0, 0x0C, 0x80, 0x04, 0x80, 0x00, 0x01, 0xFC, 0xB4, 0x0C, 0x00, 0x03, 0x80,
+0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00, 0x00, 0x90, 0x0C,
+0x00, 0x04, 0x80, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00,
+0x00, 0x80, 0x0C, 0x00, 0x02, 0x00, 0x0A, 0x00, 0x6E, 0x0D, 0x01, 0x49, 0x04,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x80, 0x00, 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x04, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
+0x00, 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4A, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x01,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x09, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xFE, 0x4B, 0x02, 0x3E, 0x00, 0xEA, 0x00, 0xA8, 0x00, 0xA0,
+0x0A, 0x80, 0x2A, 0x00, 0xAE, 0x00, 0xB8, 0x02, 0xA0, 0x02, 0x80, 0x28, 0x00,
+0xAA, 0x00, 0xB8, 0x02, 0x60, 0x02, 0x80, 0x0B, 0x00, 0x26, 0x00, 0xB8, 0x00,
+0xE0, 0x02, 0x80, 0x0B, 0x00, 0x2E, 0x00, 0xB8, 0x00, 0xE0, 0x02, 0x80, 0x0B,
+0x00, 0xAE, 0x00, 0xB8, 0x02, 0x80, 0x0A, 0xFC, 0x23, 0x01, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x03, 0xA0, 0x5B, 0x00, 0xF3, 0x04, 0xCC, 0x01, 0xF2, 0x96, 0xC2,
+0xDF, 0x30, 0xBB, 0x43, 0xD0, 0x73, 0xB0, 0x8F, 0xC0, 0x3D, 0x02, 0xFB, 0x48,
+0xFC, 0x13, 0x30, 0x13, 0xC0, 0x4F, 0x02, 0x3F, 0x01, 0xDC, 0x13, 0xB0, 0x4F,
+0xC0, 0x4F, 0x00, 0x3B, 0xC9, 0xCC, 0x04, 0xF2, 0x13, 0xC0, 0xFC, 0x00, 0xFB,
+0xC9, 0x8C, 0x27, 0x30, 0x03, 0xC0, 0x0F, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x01, 0x08, 0x57, 0x40, 0xE1, 0x08, 0x44, 0x03, 0xD0, 0x09, 0x40, 0x13,
+0x01, 0xD1, 0x04, 0xC4, 0x1B, 0x10, 0x6D, 0x40, 0x3C, 0x02, 0xDD, 0x06, 0xF4,
+0x0F, 0x10, 0x11, 0x40, 0x27, 0x11, 0x57, 0x81, 0xC4, 0x0F, 0xD0, 0xBF, 0x40,
+0x64, 0x00, 0x51, 0x04, 0x44, 0x04, 0xD0, 0x11, 0x50, 0x34, 0x00, 0xD1, 0x00,
+0x54, 0x11, 0x14, 0x19, 0x40, 0x17, 0x20, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x11, 0x00, 0x37, 0x00, 0xC1, 0x00, 0x04, 0x00, 0xD8, 0x48, 0x44, 0x21, 0x00,
+0xC9, 0x00, 0x14, 0x03, 0xD0, 0xCC, 0x64, 0x33, 0x11, 0xCD, 0x06, 0x34, 0x23,
+0x50, 0x00, 0x00, 0x02, 0x01, 0x8D, 0x00, 0x04, 0x23, 0xD0, 0x0C, 0x42, 0x01,
+0x00, 0xC1, 0x00, 0x14, 0x00, 0xD0, 0x00, 0x44, 0x30, 0x09, 0xCD, 0x44, 0x44,
+0x12, 0x10, 0x00, 0x44, 0x47, 0x88, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
+0xA8, 0xB5, 0x01, 0xD1, 0x00, 0x44, 0x0A, 0xD8, 0x09, 0x40, 0x27, 0x00, 0xD1,
+0x40, 0x44, 0x03, 0x50, 0x0D, 0x60, 0x36, 0x00, 0xDD, 0x00, 0x74, 0x03, 0x50,
+0x01, 0x40, 0x27, 0x10, 0xD5, 0x00, 0x44, 0x03, 0xCA, 0x0D, 0x40, 0x65, 0x00,
+0xC1, 0x00, 0x44, 0xC6, 0xD0, 0x19, 0x40, 0x30, 0x00, 0xD1, 0x00, 0x54, 0x09,
+0x14, 0x11, 0x40, 0x1F, 0x20, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA8,
+0xE3, 0x00, 0xD3, 0x00, 0x4C, 0x0A, 0xF0, 0x0D, 0xC4, 0xF7, 0x00, 0x9B, 0x40,
+0x5C, 0x03, 0xF2, 0x0D, 0xC6, 0x37, 0x10, 0xDB, 0x00, 0x74, 0x03, 0x70, 0xA1,
+0x81, 0x37, 0x00, 0xCF, 0x03, 0x4C, 0x03, 0xF0, 0x0D, 0xC0, 0xC7, 0x01, 0x93,
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+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x80, 0x00,
+0x00, 0x22, 0x25, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00, 0x00, 0xC0, 0x0C, 0x00,
+0x02, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x0C, 0x00, 0x01, 0x80, 0x00, 0x00, 0x00, 0xA0, 0x0C, 0x00, 0x05, 0x80,
+0x00, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x80, 0x00, 0x00, 0x87, 0xE8, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00
+};
diff --git a/drivers/staging/me4000/me4610_firmware.h b/drivers/staging/me4000/me4610_firmware.h
new file mode 100644
index 00000000000..c550d99286c
--- /dev/null
+++ b/drivers/staging/me4000/me4610_firmware.h
@@ -0,0 +1,5409 @@
+/*
+   This file is copyright by Meilhaus Electronic GmbH 2003.
+   You are not allowed to distribute, sell, modify, reverse engineer or use this
+   code (or parts of it) for any other purpose or under any other conditions
+   than stated below.
+
+   1) You are allowed to distribute verbatim copies of this file together
+   with device drivers for the Meilhaus ME-4000, board family.
+
+   2) Derived work (device drivers using this file) can be published under
+   the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version. Any other license terms have
+   to be agreed by Meilhaus GmbH in written.
+
+   2) This file is distributed WITHOUT ANY WARRANTY;
+   without even the implied warranty of MERCHANTABILITY
+   or FITNESS FOR A PARTICULAR PURPOSE. Meilhaus is under
+   no means liable for products using this file or parts of it.
+
+   3) The copyright of this file has to be mentioned in derived work.
+
+   4) If this license terms are not valid due to any other law
+   or restrictions imposed on you, you are not allowed to use
+   this file in any way at all.
+ */
+
+/* Version 0 of ME-4610 firmware */
+static unsigned char xilinx_firm_4610[] = {
+0x00, 0x01, 0x11, 0x0c, 0x01, 0x01, 0x04, 0x00, 0x00, 0x09, 0x04, 0x02, 0x00,
+0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x55, 0x99, 0xAA, 0x66, 0x0C, 0x00,
+0x01, 0x80, 0x00, 0x00, 0x00, 0xE0, 0x0C, 0x80, 0x06, 0x80, 0x00, 0x00, 0x00,
+0xD0, 0x0C, 0x80, 0x04, 0x80, 0x00, 0x01, 0xFC, 0xB4, 0x0C, 0x00, 0x03, 0x80,
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+0x00, 0x00
+};
-- 
GitLab


From c0f005888c6663898a040cd922947dd8caa55160 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 21 Mar 2008 14:12:51 -0700
Subject: [PATCH 0342/2224] Staging: add me4000 pci data collection driver

Originally written by Guenter Gebhardt <g.gebhardt@meilhaus.de>

TODO:
	- checkpatch.pl cleanups
	- sparse cleanups
	- possible /proc interaction cleanups
	- more info needed for Kconfig entry
	- real device id?
	- module parameter cleanup

Cc: Wolfgang Beiter <w.beiter@aon.at>
Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig         |    2 +
 drivers/staging/Makefile        |    1 +
 drivers/staging/me4000/Kconfig  |   10 +
 drivers/staging/me4000/Makefile |    1 +
 drivers/staging/me4000/README   |   13 +
 drivers/staging/me4000/me4000.c | 6133 +++++++++++++++++++++++++++++++
 drivers/staging/me4000/me4000.h |  954 +++++
 7 files changed, 7114 insertions(+)
 create mode 100644 drivers/staging/me4000/Kconfig
 create mode 100644 drivers/staging/me4000/Makefile
 create mode 100644 drivers/staging/me4000/README
 create mode 100644 drivers/staging/me4000/me4000.c
 create mode 100644 drivers/staging/me4000/me4000.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 6da76622191..56c73bcf477 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -29,4 +29,6 @@ source "drivers/staging/slicoss/Kconfig"
 
 source "drivers/staging/sxg/Kconfig"
 
+source "drivers/staging/me4000/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index cd6d6a52751..97df19be52d 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -3,3 +3,4 @@
 obj-$(CONFIG_ET131X)		+= et131x/
 obj-$(CONFIG_SLICOSS)		+= slicoss/
 obj-$(CONFIG_SXG)		+= sxg/
+obj-$(CONFIG_ME4000)		+= me4000/
diff --git a/drivers/staging/me4000/Kconfig b/drivers/staging/me4000/Kconfig
new file mode 100644
index 00000000000..5e6c9de1f11
--- /dev/null
+++ b/drivers/staging/me4000/Kconfig
@@ -0,0 +1,10 @@
+config ME4000
+	tristate "Meilhaus ME-4000 support"
+	default n
+	depends on PCI
+	help
+	  This driver supports the Meilhaus ME-4000 family of boards
+	  that do data collection and multipurpose I/O.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called me4000.
diff --git a/drivers/staging/me4000/Makefile b/drivers/staging/me4000/Makefile
new file mode 100644
index 00000000000..74487cd7bec
--- /dev/null
+++ b/drivers/staging/me4000/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_ME4000)		+= me4000.o
diff --git a/drivers/staging/me4000/README b/drivers/staging/me4000/README
new file mode 100644
index 00000000000..bbb83863220
--- /dev/null
+++ b/drivers/staging/me4000/README
@@ -0,0 +1,13 @@
+
+TODO:
+	- checkpatch.pl cleanups
+	- sparse cleanups
+	- possible /proc interaction cleanups
+	- more info needed for Kconfig entry
+	- real device id?
+	- module parameter cleanup
+
+Please send patches to Greg Kroah-Hartman <gregkh@suse.de>
+and Cc: Wolfgang Beiter <w.beiter@aon.at> and
+Guenter Gebhardt <g.gebhardt@meilhaus.de>
+
diff --git a/drivers/staging/me4000/me4000.c b/drivers/staging/me4000/me4000.c
new file mode 100644
index 00000000000..862dd7ffb5c
--- /dev/null
+++ b/drivers/staging/me4000/me4000.c
@@ -0,0 +1,6133 @@
+/* Device driver for Meilhaus ME-4000 board family.
+ * ================================================
+ *
+ *  Copyright (C) 2003 Meilhaus Electronic GmbH (support@meilhaus.de)
+ *
+ *  This file is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Author:	Guenter Gebhardt	<g.gebhardt@meilhaus.de>
+ */
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/unistd.h>
+#include <linux/list.h>
+#include <linux/proc_fs.h>
+
+#include <linux/poll.h>
+#include <linux/vmalloc.h>
+#include <asm/pgtable.h>
+#include <asm/uaccess.h>
+#include <linux/types.h>
+
+#include <linux/slab.h>
+
+/* Include-File for the Meilhaus ME-4000 I/O board */
+#include "me4000.h"
+#include "me4000_firmware.h"
+#include "me4610_firmware.h"
+
+/* Administrative stuff for modinfo */
+MODULE_AUTHOR("Guenter Gebhardt <g.gebhardt@meilhaus.de>");
+MODULE_DESCRIPTION
+    ("Device Driver Module for Meilhaus ME-4000 boards version 1.0.5");
+MODULE_SUPPORTED_DEVICE("Meilhaus ME-4000 Multi I/O boards");
+MODULE_LICENSE("GPL");
+
+/* Board specific data are kept in a global list */
+LIST_HEAD(me4000_board_info_list);
+
+/* Major Device Numbers. 0 means to get it automatically from the System */
+static int me4000_ao_major_driver_no = 0;
+static int me4000_ai_major_driver_no = 0;
+static int me4000_dio_major_driver_no = 0;
+static int me4000_cnt_major_driver_no = 0;
+static int me4000_ext_int_major_driver_no = 0;
+
+/* Let the user specify a custom major driver number */
+module_param(me4000_ao_major_driver_no, int, 0);
+MODULE_PARM_DESC(me4000_ao_major_driver_no,
+		 "Major driver number for analog output (default 0)");
+
+module_param(me4000_ai_major_driver_no, int, 0);
+MODULE_PARM_DESC(me4000_ai_major_driver_no,
+		 "Major driver number for analog input (default 0)");
+
+module_param(me4000_dio_major_driver_no, int, 0);
+MODULE_PARM_DESC(me4000_dio_major_driver_no,
+		 "Major driver number digital I/O (default 0)");
+
+module_param(me4000_cnt_major_driver_no, int, 0);
+MODULE_PARM_DESC(me4000_cnt_major_driver_no,
+		 "Major driver number for counter (default 0)");
+
+module_param(me4000_ext_int_major_driver_no, int, 0);
+MODULE_PARM_DESC(me4000_ext_int_major_driver_no,
+		 "Major driver number for external interrupt (default 0)");
+
+/*-----------------------------------------------------------------------------
+  Module stuff
+  ---------------------------------------------------------------------------*/
+int init_module(void);
+void cleanup_module(void);
+
+/*-----------------------------------------------------------------------------
+  Board detection and initialization
+  ---------------------------------------------------------------------------*/
+static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id);
+static int me4000_xilinx_download(me4000_info_t *);
+static int me4000_reset_board(me4000_info_t *);
+
+static void clear_board_info_list(void);
+static int get_registers(struct pci_dev *dev, me4000_info_t * info);
+static int init_board_info(struct pci_dev *dev, me4000_info_t * board_info);
+static int alloc_ao_contexts(me4000_info_t * info);
+static void release_ao_contexts(me4000_info_t * board_info);
+static int alloc_ai_context(me4000_info_t * info);
+static int alloc_dio_context(me4000_info_t * info);
+static int alloc_cnt_context(me4000_info_t * info);
+static int alloc_ext_int_context(me4000_info_t * info);
+
+/*-----------------------------------------------------------------------------
+  Stuff used by all device parts
+  ---------------------------------------------------------------------------*/
+static int me4000_open(struct inode *, struct file *);
+static int me4000_release(struct inode *, struct file *);
+
+static int me4000_get_user_info(me4000_user_info_t *,
+				me4000_info_t * board_info);
+static int me4000_read_procmem(char *, char **, off_t, int, int *, void *);
+
+/*-----------------------------------------------------------------------------
+  Analog output stuff
+  ---------------------------------------------------------------------------*/
+static ssize_t me4000_ao_write_sing(struct file *, const char *, size_t,
+				    loff_t *);
+static ssize_t me4000_ao_write_wrap(struct file *, const char *, size_t,
+				    loff_t *);
+static ssize_t me4000_ao_write_cont(struct file *, const char *, size_t,
+				    loff_t *);
+
+static int me4000_ao_ioctl_sing(struct inode *, struct file *, unsigned int,
+				unsigned long);
+static int me4000_ao_ioctl_wrap(struct inode *, struct file *, unsigned int,
+				unsigned long);
+static int me4000_ao_ioctl_cont(struct inode *, struct file *, unsigned int,
+				unsigned long);
+
+static unsigned int me4000_ao_poll_cont(struct file *, poll_table *);
+static int me4000_ao_fsync_cont(struct file *, struct dentry *, int);
+
+static int me4000_ao_start(unsigned long *, me4000_ao_context_t *);
+static int me4000_ao_stop(me4000_ao_context_t *);
+static int me4000_ao_immediate_stop(me4000_ao_context_t *);
+static int me4000_ao_timer_set_divisor(u32 *, me4000_ao_context_t *);
+static int me4000_ao_preload(me4000_ao_context_t *);
+static int me4000_ao_preload_update(me4000_ao_context_t *);
+static int me4000_ao_ex_trig_set_edge(int *, me4000_ao_context_t *);
+static int me4000_ao_ex_trig_enable(me4000_ao_context_t *);
+static int me4000_ao_ex_trig_disable(me4000_ao_context_t *);
+static int me4000_ao_prepare(me4000_ao_context_t * ao_info);
+static int me4000_ao_reset(me4000_ao_context_t * ao_info);
+static int me4000_ao_enable_do(me4000_ao_context_t *);
+static int me4000_ao_disable_do(me4000_ao_context_t *);
+static int me4000_ao_fsm_state(int *, me4000_ao_context_t *);
+
+static int me4000_ao_simultaneous_ex_trig(me4000_ao_context_t * ao_context);
+static int me4000_ao_simultaneous_sw(me4000_ao_context_t * ao_context);
+static int me4000_ao_simultaneous_disable(me4000_ao_context_t * ao_context);
+static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * channels,
+					 me4000_ao_context_t * ao_context);
+
+static int me4000_ao_synchronous_ex_trig(me4000_ao_context_t * ao_context);
+static int me4000_ao_synchronous_sw(me4000_ao_context_t * ao_context);
+static int me4000_ao_synchronous_disable(me4000_ao_context_t * ao_context);
+
+static int me4000_ao_ex_trig_timeout(unsigned long *arg,
+				     me4000_ao_context_t * ao_context);
+static int me4000_ao_get_free_buffer(unsigned long *arg,
+				     me4000_ao_context_t * ao_context);
+
+/*-----------------------------------------------------------------------------
+  Analog input stuff
+  ---------------------------------------------------------------------------*/
+static int me4000_ai_single(me4000_ai_single_t *, me4000_ai_context_t *);
+static int me4000_ai_ioctl_sing(struct inode *, struct file *, unsigned int,
+				unsigned long);
+
+static ssize_t me4000_ai_read(struct file *, char *, size_t, loff_t *);
+static int me4000_ai_ioctl_sw(struct inode *, struct file *, unsigned int,
+			      unsigned long);
+static unsigned int me4000_ai_poll(struct file *, poll_table *);
+static int me4000_ai_fasync(int fd, struct file *file_p, int mode);
+
+static int me4000_ai_ioctl_ext(struct inode *, struct file *, unsigned int,
+			       unsigned long);
+
+static int me4000_ai_prepare(me4000_ai_context_t * ai_context);
+static int me4000_ai_reset(me4000_ai_context_t * ai_context);
+static int me4000_ai_config(me4000_ai_config_t *, me4000_ai_context_t *);
+static int me4000_ai_start(me4000_ai_context_t *);
+static int me4000_ai_start_ex(unsigned long *, me4000_ai_context_t *);
+static int me4000_ai_stop(me4000_ai_context_t *);
+static int me4000_ai_immediate_stop(me4000_ai_context_t *);
+static int me4000_ai_ex_trig_enable(me4000_ai_context_t *);
+static int me4000_ai_ex_trig_disable(me4000_ai_context_t *);
+static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t *,
+				   me4000_ai_context_t *);
+static int me4000_ai_sc_setup(me4000_ai_sc_t * arg,
+			      me4000_ai_context_t * ai_context);
+static int me4000_ai_offset_enable(me4000_ai_context_t * ai_context);
+static int me4000_ai_offset_disable(me4000_ai_context_t * ai_context);
+static int me4000_ai_fullscale_enable(me4000_ai_context_t * ai_context);
+static int me4000_ai_fullscale_disable(me4000_ai_context_t * ai_context);
+static int me4000_ai_fsm_state(int *arg, me4000_ai_context_t * ai_context);
+static int me4000_ai_get_count_buffer(unsigned long *arg,
+				      me4000_ai_context_t * ai_context);
+
+/*-----------------------------------------------------------------------------
+  EEPROM stuff
+  ---------------------------------------------------------------------------*/
+static int me4000_eeprom_read(me4000_eeprom_t * arg,
+			      me4000_ai_context_t * ai_context);
+static int me4000_eeprom_write(me4000_eeprom_t * arg,
+			       me4000_ai_context_t * ai_context);
+static unsigned short eeprom_read_cmd(me4000_ai_context_t * ai_context,
+				      unsigned long cmd, int length);
+static int eeprom_write_cmd(me4000_ai_context_t * ai_context, unsigned long cmd,
+			    int length);
+
+/*-----------------------------------------------------------------------------
+  Digital I/O stuff
+  ---------------------------------------------------------------------------*/
+static int me4000_dio_ioctl(struct inode *, struct file *, unsigned int,
+			    unsigned long);
+static int me4000_dio_config(me4000_dio_config_t *, me4000_dio_context_t *);
+static int me4000_dio_get_byte(me4000_dio_byte_t *, me4000_dio_context_t *);
+static int me4000_dio_set_byte(me4000_dio_byte_t *, me4000_dio_context_t *);
+static int me4000_dio_reset(me4000_dio_context_t *);
+
+/*-----------------------------------------------------------------------------
+  Counter stuff
+  ---------------------------------------------------------------------------*/
+static int me4000_cnt_ioctl(struct inode *, struct file *, unsigned int,
+			    unsigned long);
+static int me4000_cnt_config(me4000_cnt_config_t *, me4000_cnt_context_t *);
+static int me4000_cnt_read(me4000_cnt_t *, me4000_cnt_context_t *);
+static int me4000_cnt_write(me4000_cnt_t *, me4000_cnt_context_t *);
+static int me4000_cnt_reset(me4000_cnt_context_t *);
+
+/*-----------------------------------------------------------------------------
+  External interrupt routines
+  ---------------------------------------------------------------------------*/
+static int me4000_ext_int_ioctl(struct inode *, struct file *, unsigned int,
+				unsigned long);
+static int me4000_ext_int_enable(me4000_ext_int_context_t *);
+static int me4000_ext_int_disable(me4000_ext_int_context_t *);
+static int me4000_ext_int_count(unsigned long *arg,
+				me4000_ext_int_context_t * ext_int_context);
+static int me4000_ext_int_fasync(int fd, struct file *file_ptr, int mode);
+
+/*-----------------------------------------------------------------------------
+  The interrupt service routines
+  ---------------------------------------------------------------------------*/
+static irqreturn_t me4000_ao_isr(int, void *);
+static irqreturn_t me4000_ai_isr(int, void *);
+static irqreturn_t me4000_ext_int_isr(int, void *);
+
+/*-----------------------------------------------------------------------------
+  Inline functions
+  ---------------------------------------------------------------------------*/
+static int inline me4000_buf_count(me4000_circ_buf_t, int);
+static int inline me4000_buf_space(me4000_circ_buf_t, int);
+static int inline me4000_space_to_end(me4000_circ_buf_t, int);
+static int inline me4000_values_to_end(me4000_circ_buf_t, int);
+
+static void inline me4000_outb(unsigned char value, unsigned long port);
+static void inline me4000_outl(unsigned long value, unsigned long port);
+static unsigned long inline me4000_inl(unsigned long port);
+static unsigned char inline me4000_inb(unsigned long port);
+
+static int me4000_buf_count(me4000_circ_buf_t buf, int size)
+{
+	return ((buf.head - buf.tail) & (size - 1));
+}
+
+static int me4000_buf_space(me4000_circ_buf_t buf, int size)
+{
+	return ((buf.tail - (buf.head + 1)) & (size - 1));
+}
+
+static int me4000_values_to_end(me4000_circ_buf_t buf, int size)
+{
+	int end;
+	int n;
+	end = size - buf.tail;
+	n = (buf.head + end) & (size - 1);
+	return (n < end) ? n : end;
+}
+
+static int me4000_space_to_end(me4000_circ_buf_t buf, int size)
+{
+	int end;
+	int n;
+
+	end = size - 1 - buf.head;
+	n = (end + buf.tail) & (size - 1);
+	return (n <= end) ? n : (end + 1);
+}
+
+static void me4000_outb(unsigned char value, unsigned long port)
+{
+	PORT_PDEBUG("--> 0x%02X port 0x%04lX\n", value, port);
+	outb(value, port);
+}
+
+static void me4000_outl(unsigned long value, unsigned long port)
+{
+	PORT_PDEBUG("--> 0x%08lX port 0x%04lX\n", value, port);
+	outl(value, port);
+}
+
+static unsigned long me4000_inl(unsigned long port)
+{
+	unsigned long value;
+	value = inl(port);
+	PORT_PDEBUG("<-- 0x%08lX port 0x%04lX\n", value, port);
+	return value;
+}
+
+static unsigned char me4000_inb(unsigned long port)
+{
+	unsigned char value;
+	value = inb(port);
+	PORT_PDEBUG("<-- 0x%08X port 0x%04lX\n", value, port);
+	return value;
+}
+
+struct pci_driver me4000_driver = {
+	.name = ME4000_NAME,
+	.id_table = me4000_pci_table,
+	.probe = me4000_probe
+};
+
+static struct file_operations me4000_ao_fops_sing = {
+      owner:THIS_MODULE,
+      write:me4000_ao_write_sing,
+      ioctl:me4000_ao_ioctl_sing,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_ao_fops_wrap = {
+      owner:THIS_MODULE,
+      write:me4000_ao_write_wrap,
+      ioctl:me4000_ao_ioctl_wrap,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_ao_fops_cont = {
+      owner:THIS_MODULE,
+      write:me4000_ao_write_cont,
+      poll:me4000_ao_poll_cont,
+      ioctl:me4000_ao_ioctl_cont,
+      open:me4000_open,
+      release:me4000_release,
+      fsync:me4000_ao_fsync_cont,
+};
+
+static struct file_operations me4000_ai_fops_sing = {
+      owner:THIS_MODULE,
+      ioctl:me4000_ai_ioctl_sing,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_ai_fops_cont_sw = {
+      owner:THIS_MODULE,
+      read:me4000_ai_read,
+      poll:me4000_ai_poll,
+      ioctl:me4000_ai_ioctl_sw,
+      open:me4000_open,
+      release:me4000_release,
+      fasync:me4000_ai_fasync,
+};
+
+static struct file_operations me4000_ai_fops_cont_et = {
+      owner:THIS_MODULE,
+      read:me4000_ai_read,
+      poll:me4000_ai_poll,
+      ioctl:me4000_ai_ioctl_ext,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_ai_fops_cont_et_value = {
+      owner:THIS_MODULE,
+      read:me4000_ai_read,
+      poll:me4000_ai_poll,
+      ioctl:me4000_ai_ioctl_ext,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_ai_fops_cont_et_chanlist = {
+      owner:THIS_MODULE,
+      read:me4000_ai_read,
+      poll:me4000_ai_poll,
+      ioctl:me4000_ai_ioctl_ext,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_dio_fops = {
+      owner:THIS_MODULE,
+      ioctl:me4000_dio_ioctl,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_cnt_fops = {
+      owner:THIS_MODULE,
+      ioctl:me4000_cnt_ioctl,
+      open:me4000_open,
+      release:me4000_release,
+};
+
+static struct file_operations me4000_ext_int_fops = {
+      owner:THIS_MODULE,
+      ioctl:me4000_ext_int_ioctl,
+      open:me4000_open,
+      release:me4000_release,
+      fasync:me4000_ext_int_fasync,
+};
+
+static struct file_operations *me4000_ao_fops_array[] = {
+	&me4000_ao_fops_sing,	// single operations
+	&me4000_ao_fops_wrap,	// wraparound operations
+	&me4000_ao_fops_cont,	// continous operations
+};
+
+static struct file_operations *me4000_ai_fops_array[] = {
+	&me4000_ai_fops_sing,	// single operations
+	&me4000_ai_fops_cont_sw,	// continuous operations with software start
+	&me4000_ai_fops_cont_et,	// continous operations with external trigger
+	&me4000_ai_fops_cont_et_value,	// sample values by external trigger
+	&me4000_ai_fops_cont_et_chanlist,	// work through one channel list by external trigger
+};
+
+int __init me4000_init_module(void)
+{
+	int result = 0;
+
+	CALL_PDEBUG("init_module() is executed\n");
+
+	/* Register driver capabilities */
+	result = pci_register_driver(&me4000_driver);
+	PDEBUG("init_module():%d devices detected\n", result);
+	if (result < 0) {
+		printk(KERN_ERR "ME4000:init_module():Can't register driver\n");
+		goto INIT_ERROR_1;
+	}
+
+	/* Allocate major number for analog output */
+	result =
+	    register_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME,
+			    &me4000_ao_fops_sing);
+	if (result < 0) {
+		printk(KERN_ERR "ME4000:init_module():Can't get AO major no\n");
+		goto INIT_ERROR_2;
+	} else {
+		me4000_ao_major_driver_no = result;
+	}
+	PDEBUG("init_module():Major driver number for AO = %ld\n",
+	       me4000_ao_major_driver_no);
+
+	/* Allocate major number for analog input  */
+	result =
+	    register_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME,
+			    &me4000_ai_fops_sing);
+	if (result < 0) {
+		printk(KERN_ERR "ME4000:init_module():Can't get AI major no\n");
+		goto INIT_ERROR_3;
+	} else {
+		me4000_ai_major_driver_no = result;
+	}
+	PDEBUG("init_module():Major driver number for AI = %ld\n",
+	       me4000_ai_major_driver_no);
+
+	/* Allocate major number for digital I/O */
+	result =
+	    register_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME,
+			    &me4000_dio_fops);
+	if (result < 0) {
+		printk(KERN_ERR
+		       "ME4000:init_module():Can't get DIO major no\n");
+		goto INIT_ERROR_4;
+	} else {
+		me4000_dio_major_driver_no = result;
+	}
+	PDEBUG("init_module():Major driver number for DIO = %ld\n",
+	       me4000_dio_major_driver_no);
+
+	/* Allocate major number for counter */
+	result =
+	    register_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME,
+			    &me4000_cnt_fops);
+	if (result < 0) {
+		printk(KERN_ERR
+		       "ME4000:init_module():Can't get CNT major no\n");
+		goto INIT_ERROR_5;
+	} else {
+		me4000_cnt_major_driver_no = result;
+	}
+	PDEBUG("init_module():Major driver number for CNT = %ld\n",
+	       me4000_cnt_major_driver_no);
+
+	/* Allocate major number for external interrupt */
+	result =
+	    register_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME,
+			    &me4000_ext_int_fops);
+	if (result < 0) {
+		printk(KERN_ERR
+		       "ME4000:init_module():Can't get major no for external interrupt\n");
+		goto INIT_ERROR_6;
+	} else {
+		me4000_ext_int_major_driver_no = result;
+	}
+	PDEBUG
+	    ("init_module():Major driver number for external interrupt = %ld\n",
+	     me4000_ext_int_major_driver_no);
+
+	/* Create the /proc/me4000 entry */
+	if (!create_proc_read_entry
+	    ("me4000", 0, NULL, me4000_read_procmem, NULL)) {
+		result = -ENODEV;
+		printk(KERN_ERR
+		       "ME4000:init_module():Can't create proc entry\n");
+		goto INIT_ERROR_7;
+	}
+
+	return 0;
+
+      INIT_ERROR_7:
+	unregister_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME);
+
+      INIT_ERROR_6:
+	unregister_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME);
+
+      INIT_ERROR_5:
+	unregister_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME);
+
+      INIT_ERROR_4:
+	unregister_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME);
+
+      INIT_ERROR_3:
+	unregister_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME);
+
+      INIT_ERROR_2:
+	pci_unregister_driver(&me4000_driver);
+	clear_board_info_list();
+
+      INIT_ERROR_1:
+	return result;
+}
+
+module_init(me4000_init_module);
+
+static void clear_board_info_list(void)
+{
+	struct list_head *board_p;
+	struct list_head *dac_p;
+	me4000_info_t *board_info;
+	me4000_ao_context_t *ao_context;
+
+	/* Clear context lists */
+	for (board_p = me4000_board_info_list.next;
+	     board_p != &me4000_board_info_list; board_p = board_p->next) {
+		board_info = list_entry(board_p, me4000_info_t, list);
+		/* Clear analog output context list */
+		while (!list_empty(&board_info->ao_context_list)) {
+			dac_p = board_info->ao_context_list.next;
+			ao_context =
+			    list_entry(dac_p, me4000_ao_context_t, list);
+			me4000_ao_reset(ao_context);
+			free_irq(ao_context->irq, ao_context);
+			if (ao_context->circ_buf.buf)
+				kfree(ao_context->circ_buf.buf);
+			list_del(dac_p);
+			kfree(ao_context);
+		}
+
+		/* Clear analog input context */
+		if (board_info->ai_context->circ_buf.buf)
+			kfree(board_info->ai_context->circ_buf.buf);
+		kfree(board_info->ai_context);
+
+		/* Clear digital I/O context */
+		kfree(board_info->dio_context);
+
+		/* Clear counter context */
+		kfree(board_info->cnt_context);
+
+		/* Clear external interrupt context */
+		kfree(board_info->ext_int_context);
+	}
+
+	/* Clear the board info list */
+	while (!list_empty(&me4000_board_info_list)) {
+		board_p = me4000_board_info_list.next;
+		board_info = list_entry(board_p, me4000_info_t, list);
+		pci_release_regions(board_info->pci_dev_p);
+		list_del(board_p);
+		kfree(board_info);
+	}
+}
+
+static int get_registers(struct pci_dev *dev, me4000_info_t * board_info)
+{
+
+	/*--------------------------- plx regbase ---------------------------------*/
+
+	board_info->plx_regbase = pci_resource_start(dev, 1);
+	if (board_info->plx_regbase == 0) {
+		printk(KERN_ERR
+		       "ME4000:get_registers():PCI base address 1 is not available\n");
+		return -ENODEV;
+	}
+	board_info->plx_regbase_size = pci_resource_len(dev, 1);
+
+	PDEBUG
+	    ("get_registers():PLX configuration registers at address 0x%4lX [0x%4lX]\n",
+	     board_info->plx_regbase, board_info->plx_regbase_size);
+
+	/*--------------------------- me4000 regbase ------------------------------*/
+
+	board_info->me4000_regbase = pci_resource_start(dev, 2);
+	if (board_info->me4000_regbase == 0) {
+		printk(KERN_ERR
+		       "ME4000:get_registers():PCI base address 2 is not available\n");
+		return -ENODEV;
+	}
+	board_info->me4000_regbase_size = pci_resource_len(dev, 2);
+
+	PDEBUG("get_registers():ME4000 registers at address 0x%4lX [0x%4lX]\n",
+	       board_info->me4000_regbase, board_info->me4000_regbase_size);
+
+	/*--------------------------- timer regbase ------------------------------*/
+
+	board_info->timer_regbase = pci_resource_start(dev, 3);
+	if (board_info->timer_regbase == 0) {
+		printk(KERN_ERR
+		       "ME4000:get_registers():PCI base address 3 is not available\n");
+		return -ENODEV;
+	}
+	board_info->timer_regbase_size = pci_resource_len(dev, 3);
+
+	PDEBUG("get_registers():Timer registers at address 0x%4lX [0x%4lX]\n",
+	       board_info->timer_regbase, board_info->timer_regbase_size);
+
+	/*--------------------------- program regbase ------------------------------*/
+
+	board_info->program_regbase = pci_resource_start(dev, 5);
+	if (board_info->program_regbase == 0) {
+		printk(KERN_ERR
+		       "get_registers():ME4000:PCI base address 5 is not available\n");
+		return -ENODEV;
+	}
+	board_info->program_regbase_size = pci_resource_len(dev, 5);
+
+	PDEBUG("get_registers():Program registers at address 0x%4lX [0x%4lX]\n",
+	       board_info->program_regbase, board_info->program_regbase_size);
+
+	return 0;
+}
+
+static int init_board_info(struct pci_dev *pci_dev_p,
+			   me4000_info_t * board_info)
+{
+	int i;
+	int result;
+	struct list_head *board_p;
+	board_info->pci_dev_p = pci_dev_p;
+
+	for (i = 0; i < ME4000_BOARD_VERSIONS; i++) {
+		if (me4000_boards[i].device_id == pci_dev_p->device) {
+			board_info->board_p = &me4000_boards[i];
+			break;
+		}
+	}
+	if (i == ME4000_BOARD_VERSIONS) {
+		printk(KERN_ERR
+		       "ME4000:init_board_info():Device ID not valid\n");
+		return -ENODEV;
+	}
+
+	/* Get the index of the board in the global list */
+	for (board_p = me4000_board_info_list.next, i = 0;
+	     board_p != &me4000_board_info_list; board_p = board_p->next, i++) {
+		if (board_p == &board_info->list) {
+			board_info->board_count = i;
+			break;
+		}
+	}
+	if (board_p == &me4000_board_info_list) {
+		printk(KERN_ERR
+		       "ME4000:init_board_info():Cannot get index of baord\n");
+		return -ENODEV;
+	}
+
+	/* Init list head for analog output contexts */
+	INIT_LIST_HEAD(&board_info->ao_context_list);
+
+	/* Init spin locks */
+	spin_lock_init(&board_info->preload_lock);
+	spin_lock_init(&board_info->ai_ctrl_lock);
+
+	/* Get the serial number */
+	result = pci_read_config_dword(pci_dev_p, 0x2C, &board_info->serial_no);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		printk(KERN_WARNING
+		       "ME4000:init_board_info: Can't get serial_no\n");
+		return result;
+	}
+	PDEBUG("init_board_info():serial_no = 0x%x\n", board_info->serial_no);
+
+	/* Get the hardware revision */
+	result =
+	    pci_read_config_byte(pci_dev_p, 0x08, &board_info->hw_revision);
+	if (result != PCIBIOS_SUCCESSFUL) {
+		printk(KERN_WARNING
+		       "ME4000:init_board_info():Can't get hw_revision\n");
+		return result;
+	}
+	PDEBUG("init_board_info():hw_revision = 0x%x\n",
+	       board_info->hw_revision);
+
+	/* Get the vendor id */
+	board_info->vendor_id = pci_dev_p->vendor;
+	PDEBUG("init_board_info():vendor_id = 0x%x\n", board_info->vendor_id);
+
+	/* Get the device id */
+	board_info->device_id = pci_dev_p->device;
+	PDEBUG("init_board_info():device_id = 0x%x\n", board_info->device_id);
+
+	/* Get the pci device number */
+	board_info->pci_dev_no = PCI_FUNC(pci_dev_p->devfn);
+	PDEBUG("init_board_info():pci_func_no = 0x%x\n",
+	       board_info->pci_func_no);
+
+	/* Get the pci slot number */
+	board_info->pci_dev_no = PCI_SLOT(pci_dev_p->devfn);
+	PDEBUG("init_board_info():pci_dev_no = 0x%x\n", board_info->pci_dev_no);
+
+	/* Get the pci bus number */
+	board_info->pci_bus_no = pci_dev_p->bus->number;
+	PDEBUG("init_board_info():pci_bus_no = 0x%x\n", board_info->pci_bus_no);
+
+	/* Get the irq assigned to the board */
+	board_info->irq = pci_dev_p->irq;
+	PDEBUG("init_board_info():irq = %d\n", board_info->irq);
+
+	return 0;
+}
+
+static int alloc_ao_contexts(me4000_info_t * info)
+{
+	int i;
+	int err;
+	me4000_ao_context_t *ao_context;
+
+	for (i = 0; i < info->board_p->ao.count; i++) {
+		ao_context = kmalloc(sizeof(me4000_ao_context_t), GFP_KERNEL);
+		if (!ao_context) {
+			printk(KERN_ERR
+			       "alloc_ao_contexts():Can't get memory for ao context\n");
+			release_ao_contexts(info);
+			return -ENOMEM;
+		}
+		memset(ao_context, 0, sizeof(me4000_ao_context_t));
+
+		spin_lock_init(&ao_context->use_lock);
+		spin_lock_init(&ao_context->int_lock);
+		ao_context->irq = info->irq;
+		init_waitqueue_head(&ao_context->wait_queue);
+		ao_context->board_info = info;
+
+		if (info->board_p->ao.fifo_count) {
+			/* Allocate circular buffer */
+			ao_context->circ_buf.buf =
+			    kmalloc(ME4000_AO_BUFFER_SIZE, GFP_KERNEL);
+			if (!ao_context->circ_buf.buf) {
+				printk(KERN_ERR
+				       "alloc_ao_contexts():Can't get circular buffer\n");
+				release_ao_contexts(info);
+				return -ENOMEM;
+			}
+			memset(ao_context->circ_buf.buf, 0,
+			       ME4000_AO_BUFFER_SIZE);
+
+			/* Clear the circular buffer */
+			ao_context->circ_buf.head = 0;
+			ao_context->circ_buf.tail = 0;
+		}
+
+		switch (i) {
+		case 0:
+			ao_context->ctrl_reg =
+			    info->me4000_regbase + ME4000_AO_00_CTRL_REG;
+			ao_context->status_reg =
+			    info->me4000_regbase + ME4000_AO_00_STATUS_REG;
+			ao_context->fifo_reg =
+			    info->me4000_regbase + ME4000_AO_00_FIFO_REG;
+			ao_context->single_reg =
+			    info->me4000_regbase + ME4000_AO_00_SINGLE_REG;
+			ao_context->timer_reg =
+			    info->me4000_regbase + ME4000_AO_00_TIMER_REG;
+			ao_context->irq_status_reg =
+			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
+			ao_context->preload_reg =
+			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
+			break;
+		case 1:
+			ao_context->ctrl_reg =
+			    info->me4000_regbase + ME4000_AO_01_CTRL_REG;
+			ao_context->status_reg =
+			    info->me4000_regbase + ME4000_AO_01_STATUS_REG;
+			ao_context->fifo_reg =
+			    info->me4000_regbase + ME4000_AO_01_FIFO_REG;
+			ao_context->single_reg =
+			    info->me4000_regbase + ME4000_AO_01_SINGLE_REG;
+			ao_context->timer_reg =
+			    info->me4000_regbase + ME4000_AO_01_TIMER_REG;
+			ao_context->irq_status_reg =
+			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
+			ao_context->preload_reg =
+			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
+			break;
+		case 2:
+			ao_context->ctrl_reg =
+			    info->me4000_regbase + ME4000_AO_02_CTRL_REG;
+			ao_context->status_reg =
+			    info->me4000_regbase + ME4000_AO_02_STATUS_REG;
+			ao_context->fifo_reg =
+			    info->me4000_regbase + ME4000_AO_02_FIFO_REG;
+			ao_context->single_reg =
+			    info->me4000_regbase + ME4000_AO_02_SINGLE_REG;
+			ao_context->timer_reg =
+			    info->me4000_regbase + ME4000_AO_02_TIMER_REG;
+			ao_context->irq_status_reg =
+			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
+			ao_context->preload_reg =
+			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
+			break;
+		case 3:
+			ao_context->ctrl_reg =
+			    info->me4000_regbase + ME4000_AO_03_CTRL_REG;
+			ao_context->status_reg =
+			    info->me4000_regbase + ME4000_AO_03_STATUS_REG;
+			ao_context->fifo_reg =
+			    info->me4000_regbase + ME4000_AO_03_FIFO_REG;
+			ao_context->single_reg =
+			    info->me4000_regbase + ME4000_AO_03_SINGLE_REG;
+			ao_context->timer_reg =
+			    info->me4000_regbase + ME4000_AO_03_TIMER_REG;
+			ao_context->irq_status_reg =
+			    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
+			ao_context->preload_reg =
+			    info->me4000_regbase + ME4000_AO_LOADSETREG_XX;
+			break;
+		default:
+			break;
+		}
+
+		if (info->board_p->ao.fifo_count) {
+			/* Request the interrupt line */
+			err =
+			    request_irq(ao_context->irq, me4000_ao_isr,
+					IRQF_DISABLED | IRQF_SHARED,
+					ME4000_NAME, ao_context);
+			if (err) {
+				printk(KERN_ERR
+				       "alloc_ao_contexts():Can't get interrupt line");
+				if (ao_context->circ_buf.buf)
+					kfree(ao_context->circ_buf.buf);
+				kfree(ao_context);
+				release_ao_contexts(info);
+				return -ENODEV;
+			}
+		}
+
+		list_add_tail(&ao_context->list, &info->ao_context_list);
+		ao_context->index = i;
+	}
+
+	return 0;
+}
+
+static void release_ao_contexts(me4000_info_t * board_info)
+{
+	struct list_head *dac_p;
+	me4000_ao_context_t *ao_context;
+
+	/* Clear analog output context list */
+	while (!list_empty(&board_info->ao_context_list)) {
+		dac_p = board_info->ao_context_list.next;
+		ao_context = list_entry(dac_p, me4000_ao_context_t, list);
+		free_irq(ao_context->irq, ao_context);
+		if (ao_context->circ_buf.buf)
+			kfree(ao_context->circ_buf.buf);
+		list_del(dac_p);
+		kfree(ao_context);
+	}
+}
+
+static int alloc_ai_context(me4000_info_t * info)
+{
+	me4000_ai_context_t *ai_context;
+
+	if (info->board_p->ai.count) {
+		ai_context = kmalloc(sizeof(me4000_ai_context_t), GFP_KERNEL);
+		if (!ai_context) {
+			printk(KERN_ERR
+			       "ME4000:alloc_ai_context():Can't get memory for ai context\n");
+			return -ENOMEM;
+		}
+		memset(ai_context, 0, sizeof(me4000_ai_context_t));
+
+		info->ai_context = ai_context;
+
+		spin_lock_init(&ai_context->use_lock);
+		spin_lock_init(&ai_context->int_lock);
+		ai_context->number = 0;
+		ai_context->irq = info->irq;
+		init_waitqueue_head(&ai_context->wait_queue);
+		ai_context->board_info = info;
+
+		ai_context->ctrl_reg =
+		    info->me4000_regbase + ME4000_AI_CTRL_REG;
+		ai_context->status_reg =
+		    info->me4000_regbase + ME4000_AI_STATUS_REG;
+		ai_context->channel_list_reg =
+		    info->me4000_regbase + ME4000_AI_CHANNEL_LIST_REG;
+		ai_context->data_reg =
+		    info->me4000_regbase + ME4000_AI_DATA_REG;
+		ai_context->chan_timer_reg =
+		    info->me4000_regbase + ME4000_AI_CHAN_TIMER_REG;
+		ai_context->chan_pre_timer_reg =
+		    info->me4000_regbase + ME4000_AI_CHAN_PRE_TIMER_REG;
+		ai_context->scan_timer_low_reg =
+		    info->me4000_regbase + ME4000_AI_SCAN_TIMER_LOW_REG;
+		ai_context->scan_timer_high_reg =
+		    info->me4000_regbase + ME4000_AI_SCAN_TIMER_HIGH_REG;
+		ai_context->scan_pre_timer_low_reg =
+		    info->me4000_regbase + ME4000_AI_SCAN_PRE_TIMER_LOW_REG;
+		ai_context->scan_pre_timer_high_reg =
+		    info->me4000_regbase + ME4000_AI_SCAN_PRE_TIMER_HIGH_REG;
+		ai_context->start_reg =
+		    info->me4000_regbase + ME4000_AI_START_REG;
+		ai_context->irq_status_reg =
+		    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
+		ai_context->sample_counter_reg =
+		    info->me4000_regbase + ME4000_AI_SAMPLE_COUNTER_REG;
+	}
+
+	return 0;
+}
+
+static int alloc_dio_context(me4000_info_t * info)
+{
+	me4000_dio_context_t *dio_context;
+
+	if (info->board_p->dio.count) {
+		dio_context = kmalloc(sizeof(me4000_dio_context_t), GFP_KERNEL);
+		if (!dio_context) {
+			printk(KERN_ERR
+			       "ME4000:alloc_dio_context():Can't get memory for dio context\n");
+			return -ENOMEM;
+		}
+		memset(dio_context, 0, sizeof(me4000_dio_context_t));
+
+		info->dio_context = dio_context;
+
+		spin_lock_init(&dio_context->use_lock);
+		dio_context->board_info = info;
+
+		dio_context->dio_count = info->board_p->dio.count;
+
+		dio_context->dir_reg =
+		    info->me4000_regbase + ME4000_DIO_DIR_REG;
+		dio_context->ctrl_reg =
+		    info->me4000_regbase + ME4000_DIO_CTRL_REG;
+		dio_context->port_0_reg =
+		    info->me4000_regbase + ME4000_DIO_PORT_0_REG;
+		dio_context->port_1_reg =
+		    info->me4000_regbase + ME4000_DIO_PORT_1_REG;
+		dio_context->port_2_reg =
+		    info->me4000_regbase + ME4000_DIO_PORT_2_REG;
+		dio_context->port_3_reg =
+		    info->me4000_regbase + ME4000_DIO_PORT_3_REG;
+	}
+
+	return 0;
+}
+
+static int alloc_cnt_context(me4000_info_t * info)
+{
+	me4000_cnt_context_t *cnt_context;
+
+	if (info->board_p->cnt.count) {
+		cnt_context = kmalloc(sizeof(me4000_cnt_context_t), GFP_KERNEL);
+		if (!cnt_context) {
+			printk(KERN_ERR
+			       "ME4000:alloc_cnt_context():Can't get memory for cnt context\n");
+			return -ENOMEM;
+		}
+		memset(cnt_context, 0, sizeof(me4000_cnt_context_t));
+
+		info->cnt_context = cnt_context;
+
+		spin_lock_init(&cnt_context->use_lock);
+		cnt_context->board_info = info;
+
+		cnt_context->ctrl_reg =
+		    info->timer_regbase + ME4000_CNT_CTRL_REG;
+		cnt_context->counter_0_reg =
+		    info->timer_regbase + ME4000_CNT_COUNTER_0_REG;
+		cnt_context->counter_1_reg =
+		    info->timer_regbase + ME4000_CNT_COUNTER_1_REG;
+		cnt_context->counter_2_reg =
+		    info->timer_regbase + ME4000_CNT_COUNTER_2_REG;
+	}
+
+	return 0;
+}
+
+static int alloc_ext_int_context(me4000_info_t * info)
+{
+	me4000_ext_int_context_t *ext_int_context;
+
+	if (info->board_p->cnt.count) {
+		ext_int_context =
+		    kmalloc(sizeof(me4000_ext_int_context_t), GFP_KERNEL);
+		if (!ext_int_context) {
+			printk(KERN_ERR
+			       "ME4000:alloc_ext_int_context():Can't get memory for cnt context\n");
+			return -ENOMEM;
+		}
+		memset(ext_int_context, 0, sizeof(me4000_ext_int_context_t));
+
+		info->ext_int_context = ext_int_context;
+
+		spin_lock_init(&ext_int_context->use_lock);
+		ext_int_context->board_info = info;
+
+		ext_int_context->fasync_ptr = NULL;
+		ext_int_context->irq = info->irq;
+
+		ext_int_context->ctrl_reg =
+		    info->me4000_regbase + ME4000_AI_CTRL_REG;
+		ext_int_context->irq_status_reg =
+		    info->me4000_regbase + ME4000_IRQ_STATUS_REG;
+	}
+
+	return 0;
+}
+
+static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+	int result = 0;
+	me4000_info_t *board_info;
+
+	CALL_PDEBUG("me4000_probe() is executed\n");
+
+	/* Allocate structure for board context */
+	board_info = kmalloc(sizeof(me4000_info_t), GFP_KERNEL);
+	if (!board_info) {
+		printk(KERN_ERR
+		       "ME4000:Can't get memory for board info structure\n");
+		result = -ENOMEM;
+		goto PROBE_ERROR_1;
+	}
+	memset(board_info, 0, sizeof(me4000_info_t));
+
+	/* Add to global linked list */
+	list_add_tail(&board_info->list, &me4000_board_info_list);
+
+	/* Get the PCI base registers */
+	result = get_registers(dev, board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe():Cannot get registers\n");
+		goto PROBE_ERROR_2;
+	}
+
+	/* Enable the device */
+	result = pci_enable_device(dev);
+	if (result < 0) {
+		printk(KERN_ERR "me4000_probe():Cannot enable PCI device\n");
+		goto PROBE_ERROR_2;
+	}
+
+	/* Request the PCI register regions */
+	result = pci_request_regions(dev, ME4000_NAME);
+	if (result < 0) {
+		printk(KERN_ERR "me4000_probe():Cannot request I/O regions\n");
+		goto PROBE_ERROR_2;
+	}
+
+	/* Initialize board info */
+	result = init_board_info(dev, board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe():Cannot init baord info\n");
+		goto PROBE_ERROR_3;
+	}
+
+	/* Download the xilinx firmware */
+	result = me4000_xilinx_download(board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe:Can't download firmware\n");
+		goto PROBE_ERROR_3;
+	}
+
+	/* Make a hardware reset */
+	result = me4000_reset_board(board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe:Can't reset board\n");
+		goto PROBE_ERROR_3;
+	}
+
+	/* Allocate analog output context structures */
+	result = alloc_ao_contexts(board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe():Cannot allocate ao contexts\n");
+		goto PROBE_ERROR_3;
+	}
+
+	/* Allocate analog input context */
+	result = alloc_ai_context(board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe():Cannot allocate ai context\n");
+		goto PROBE_ERROR_4;
+	}
+
+	/* Allocate digital I/O context */
+	result = alloc_dio_context(board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe():Cannot allocate dio context\n");
+		goto PROBE_ERROR_5;
+	}
+
+	/* Allocate counter context */
+	result = alloc_cnt_context(board_info);
+	if (result) {
+		printk(KERN_ERR "me4000_probe():Cannot allocate cnt context\n");
+		goto PROBE_ERROR_6;
+	}
+
+	/* Allocate external interrupt context */
+	result = alloc_ext_int_context(board_info);
+	if (result) {
+		printk(KERN_ERR
+		       "me4000_probe():Cannot allocate ext_int context\n");
+		goto PROBE_ERROR_7;
+	}
+
+	return 0;
+
+      PROBE_ERROR_7:
+	kfree(board_info->cnt_context);
+
+      PROBE_ERROR_6:
+	kfree(board_info->dio_context);
+
+      PROBE_ERROR_5:
+	kfree(board_info->ai_context);
+
+      PROBE_ERROR_4:
+	release_ao_contexts(board_info);
+
+      PROBE_ERROR_3:
+	pci_release_regions(dev);
+
+      PROBE_ERROR_2:
+	list_del(&board_info->list);
+	kfree(board_info);
+
+      PROBE_ERROR_1:
+	return result;
+}
+
+static int me4000_xilinx_download(me4000_info_t * info)
+{
+	int size = 0;
+	u32 value = 0;
+	int idx = 0;
+	unsigned char *firm;
+	wait_queue_head_t queue;
+
+	CALL_PDEBUG("me4000_xilinx_download() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	firm = (info->device_id == 0x4610) ? xilinx_firm_4610 : xilinx_firm;
+
+	/*
+	 * Set PLX local interrupt 2 polarity to high.
+	 * Interrupt is thrown by init pin of xilinx.
+	 */
+	outl(0x10, info->plx_regbase + PLX_INTCSR);
+
+	/* Set /CS and /WRITE of the Xilinx */
+	value = inl(info->plx_regbase + PLX_ICR);
+	value |= 0x100;
+	outl(value, info->plx_regbase + PLX_ICR);
+
+	/* Init Xilinx with CS1 */
+	inb(info->program_regbase + 0xC8);
+
+	/* Wait until /INIT pin is set */
+	udelay(20);
+	if (!inl(info->plx_regbase + PLX_INTCSR) & 0x20) {
+		printk(KERN_ERR "me4000_xilinx_download():Can't init Xilinx\n");
+		return -EIO;
+	}
+
+	/* Reset /CS and /WRITE of the Xilinx */
+	value = inl(info->plx_regbase + PLX_ICR);
+	value &= ~0x100;
+	outl(value, info->plx_regbase + PLX_ICR);
+
+	/* Download Xilinx firmware */
+	size = (firm[0] << 24) + (firm[1] << 16) + (firm[2] << 8) + firm[3];
+	udelay(10);
+
+	for (idx = 0; idx < size; idx++) {
+		outb(firm[16 + idx], info->program_regbase);
+
+		udelay(10);
+
+		/* Check if BUSY flag is low */
+		if (inl(info->plx_regbase + PLX_ICR) & 0x20) {
+			printk(KERN_ERR
+			       "me4000_xilinx_download():Xilinx is still busy (idx = %d)\n",
+			       idx);
+			return -EIO;
+		}
+	}
+
+	PDEBUG("me4000_xilinx_download():%d bytes written\n", idx);
+
+	/* If done flag is high download was successful */
+	if (inl(info->plx_regbase + PLX_ICR) & 0x4) {
+		PDEBUG("me4000_xilinx_download():Done flag is set\n");
+		PDEBUG("me4000_xilinx_download():Download was successful\n");
+	} else {
+		printk(KERN_ERR
+		       "ME4000:me4000_xilinx_download():DONE flag is not set\n");
+		printk(KERN_ERR
+		       "ME4000:me4000_xilinx_download():Download not succesful\n");
+		return -EIO;
+	}
+
+	/* Set /CS and /WRITE */
+	value = inl(info->plx_regbase + PLX_ICR);
+	value |= 0x100;
+	outl(value, info->plx_regbase + PLX_ICR);
+
+	return 0;
+}
+
+static int me4000_reset_board(me4000_info_t * info)
+{
+	unsigned long icr;
+
+	CALL_PDEBUG("me4000_reset_board() is executed\n");
+
+	/* Make a hardware reset */
+	icr = me4000_inl(info->plx_regbase + PLX_ICR);
+	icr |= 0x40000000;
+	me4000_outl(icr, info->plx_regbase + PLX_ICR);
+	icr &= ~0x40000000;
+	me4000_outl(icr, info->plx_regbase + PLX_ICR);
+
+	/* Set both stop bits in the analog input control register */
+	me4000_outl(ME4000_AI_CTRL_BIT_IMMEDIATE_STOP | ME4000_AI_CTRL_BIT_STOP,
+		    info->me4000_regbase + ME4000_AI_CTRL_REG);
+
+	/* Set both stop bits in the analog output control register */
+	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
+		    info->me4000_regbase + ME4000_AO_00_CTRL_REG);
+	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
+		    info->me4000_regbase + ME4000_AO_01_CTRL_REG);
+	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
+		    info->me4000_regbase + ME4000_AO_02_CTRL_REG);
+	me4000_outl(ME4000_AO_CTRL_BIT_IMMEDIATE_STOP | ME4000_AO_CTRL_BIT_STOP,
+		    info->me4000_regbase + ME4000_AO_03_CTRL_REG);
+
+	/* 0x8000 to the DACs means an output voltage of 0V */
+	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_00_SINGLE_REG);
+	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_01_SINGLE_REG);
+	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_02_SINGLE_REG);
+	me4000_outl(0x8000, info->me4000_regbase + ME4000_AO_03_SINGLE_REG);
+
+	/* Enable interrupts on the PLX */
+	me4000_outl(0x43, info->plx_regbase + PLX_INTCSR);
+
+	/* Set the adustment register for AO demux */
+	me4000_outl(ME4000_AO_DEMUX_ADJUST_VALUE,
+		    info->me4000_regbase + ME4000_AO_DEMUX_ADJUST_REG);
+
+	/* Set digital I/O direction for port 0 to output on isolated versions */
+	if (!(me4000_inl(info->me4000_regbase + ME4000_DIO_DIR_REG) & 0x1)) {
+		me4000_outl(0x1, info->me4000_regbase + ME4000_DIO_CTRL_REG);
+	}
+
+	return 0;
+}
+
+static int me4000_open(struct inode *inode_p, struct file *file_p)
+{
+	int board, dev, mode;
+	int err = 0;
+	int i;
+	struct list_head *ptr;
+	me4000_info_t *board_info = NULL;
+	me4000_ao_context_t *ao_context = NULL;
+	me4000_ai_context_t *ai_context = NULL;
+	me4000_dio_context_t *dio_context = NULL;
+	me4000_cnt_context_t *cnt_context = NULL;
+	me4000_ext_int_context_t *ext_int_context = NULL;
+
+	CALL_PDEBUG("me4000_open() is executed\n");
+
+	/* Analog output */
+	if (MAJOR(inode_p->i_rdev) == me4000_ao_major_driver_no) {
+		board = AO_BOARD(inode_p->i_rdev);
+		dev = AO_PORT(inode_p->i_rdev);
+		mode = AO_MODE(inode_p->i_rdev);
+
+		PDEBUG("me4000_open():board = %d ao = %d mode = %d\n", board,
+		       dev, mode);
+
+		/* Search for the board context */
+		for (ptr = me4000_board_info_list.next, i = 0;
+		     ptr != &me4000_board_info_list; ptr = ptr->next, i++) {
+			board_info = list_entry(ptr, me4000_info_t, list);
+			if (i == board)
+				break;
+		}
+
+		if (ptr == &me4000_board_info_list) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Board %d not in device list\n",
+			       board);
+			return -ENODEV;
+		}
+
+		/* Search for the dac context */
+		for (ptr = board_info->ao_context_list.next, i = 0;
+		     ptr != &board_info->ao_context_list;
+		     ptr = ptr->next, i++) {
+			ao_context = list_entry(ptr, me4000_ao_context_t, list);
+			if (i == dev)
+				break;
+		}
+
+		if (ptr == &board_info->ao_context_list) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Device %d not in device list\n",
+			       dev);
+			return -ENODEV;
+		}
+
+		/* Check if mode is valid */
+		if (mode > 2) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Mode is not valid\n");
+			return -ENODEV;
+		}
+
+		/* Check if mode is valid for this AO */
+		if ((mode != ME4000_AO_CONV_MODE_SINGLE)
+		    && (dev >= board_info->board_p->ao.fifo_count)) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():AO %d only in single mode available\n",
+			       dev);
+			return -ENODEV;
+		}
+
+		/* Check if already opened */
+		spin_lock(&ao_context->use_lock);
+		if (ao_context->dac_in_use) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():AO %d already in use\n",
+			       dev);
+			spin_unlock(&ao_context->use_lock);
+			return -EBUSY;
+		}
+		ao_context->dac_in_use = 1;
+		spin_unlock(&ao_context->use_lock);
+
+		ao_context->mode = mode;
+
+		/* Hold the context in private data */
+		file_p->private_data = ao_context;
+
+		/* Set file operations pointer */
+		file_p->f_op = me4000_ao_fops_array[mode];
+
+		err = me4000_ao_prepare(ao_context);
+		if (err) {
+			ao_context->dac_in_use = 0;
+			return 1;
+		}
+	}
+	/* Analog input */
+	else if (MAJOR(inode_p->i_rdev) == me4000_ai_major_driver_no) {
+		board = AI_BOARD(inode_p->i_rdev);
+		mode = AI_MODE(inode_p->i_rdev);
+
+		PDEBUG("me4000_open():ai board = %d mode = %d\n", board, mode);
+
+		/* Search for the board context */
+		for (ptr = me4000_board_info_list.next, i = 0;
+		     ptr != &me4000_board_info_list; ptr = ptr->next, i++) {
+			board_info = list_entry(ptr, me4000_info_t, list);
+			if (i == board)
+				break;
+		}
+
+		if (ptr == &me4000_board_info_list) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Board %d not in device list\n",
+			       board);
+			return -ENODEV;
+		}
+
+		ai_context = board_info->ai_context;
+
+		/* Check if mode is valid */
+		if (mode > 5) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Mode is not valid\n");
+			return -EINVAL;
+		}
+
+		/* Check if already opened */
+		spin_lock(&ai_context->use_lock);
+		if (ai_context->in_use) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():AI already in use\n");
+			spin_unlock(&ai_context->use_lock);
+			return -EBUSY;
+		}
+		ai_context->in_use = 1;
+		spin_unlock(&ai_context->use_lock);
+
+		ai_context->mode = mode;
+
+		/* Hold the context in private data */
+		file_p->private_data = ai_context;
+
+		/* Set file operations pointer */
+		file_p->f_op = me4000_ai_fops_array[mode];
+
+		/* Prepare analog input */
+		me4000_ai_prepare(ai_context);
+	}
+	/* Digital I/O */
+	else if (MAJOR(inode_p->i_rdev) == me4000_dio_major_driver_no) {
+		board = DIO_BOARD(inode_p->i_rdev);
+		dev = 0;
+		mode = 0;
+
+		PDEBUG("me4000_open():board = %d\n", board);
+
+		/* Search for the board context */
+		for (ptr = me4000_board_info_list.next;
+		     ptr != &me4000_board_info_list; ptr = ptr->next) {
+			board_info = list_entry(ptr, me4000_info_t, list);
+			if (board_info->board_count == board)
+				break;
+		}
+
+		if (ptr == &me4000_board_info_list) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Board %d not in device list\n",
+			       board);
+			return -ENODEV;
+		}
+
+		/* Search for the dio context */
+		dio_context = board_info->dio_context;
+
+		/* Check if already opened */
+		spin_lock(&dio_context->use_lock);
+		if (dio_context->in_use) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():DIO already in use\n");
+			spin_unlock(&dio_context->use_lock);
+			return -EBUSY;
+		}
+		dio_context->in_use = 1;
+		spin_unlock(&dio_context->use_lock);
+
+		/* Hold the context in private data */
+		file_p->private_data = dio_context;
+
+		/* Set file operations pointer to single functions */
+		file_p->f_op = &me4000_dio_fops;
+
+		//me4000_dio_reset(dio_context);
+	}
+	/* Counters */
+	else if (MAJOR(inode_p->i_rdev) == me4000_cnt_major_driver_no) {
+		board = CNT_BOARD(inode_p->i_rdev);
+		dev = 0;
+		mode = 0;
+
+		PDEBUG("me4000_open():board = %d\n", board);
+
+		/* Search for the board context */
+		for (ptr = me4000_board_info_list.next;
+		     ptr != &me4000_board_info_list; ptr = ptr->next) {
+			board_info = list_entry(ptr, me4000_info_t, list);
+			if (board_info->board_count == board)
+				break;
+		}
+
+		if (ptr == &me4000_board_info_list) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Board %d not in device list\n",
+			       board);
+			return -ENODEV;
+		}
+
+		/* Get the cnt context */
+		cnt_context = board_info->cnt_context;
+
+		/* Check if already opened */
+		spin_lock(&cnt_context->use_lock);
+		if (cnt_context->in_use) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():CNT already in use\n");
+			spin_unlock(&cnt_context->use_lock);
+			return -EBUSY;
+		}
+		cnt_context->in_use = 1;
+		spin_unlock(&cnt_context->use_lock);
+
+		/* Hold the context in private data */
+		file_p->private_data = cnt_context;
+
+		/* Set file operations pointer to single functions */
+		file_p->f_op = &me4000_cnt_fops;
+	}
+	/* External Interrupt */
+	else if (MAJOR(inode_p->i_rdev) == me4000_ext_int_major_driver_no) {
+		board = EXT_INT_BOARD(inode_p->i_rdev);
+		dev = 0;
+		mode = 0;
+
+		PDEBUG("me4000_open():board = %d\n", board);
+
+		/* Search for the board context */
+		for (ptr = me4000_board_info_list.next;
+		     ptr != &me4000_board_info_list; ptr = ptr->next) {
+			board_info = list_entry(ptr, me4000_info_t, list);
+			if (board_info->board_count == board)
+				break;
+		}
+
+		if (ptr == &me4000_board_info_list) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Board %d not in device list\n",
+			       board);
+			return -ENODEV;
+		}
+
+		/* Get the external interrupt context */
+		ext_int_context = board_info->ext_int_context;
+
+		/* Check if already opened */
+		spin_lock(&cnt_context->use_lock);
+		if (ext_int_context->in_use) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():External interrupt already in use\n");
+			spin_unlock(&ext_int_context->use_lock);
+			return -EBUSY;
+		}
+		ext_int_context->in_use = 1;
+		spin_unlock(&ext_int_context->use_lock);
+
+		/* Hold the context in private data */
+		file_p->private_data = ext_int_context;
+
+		/* Set file operations pointer to single functions */
+		file_p->f_op = &me4000_ext_int_fops;
+
+		/* Request the interrupt line */
+		err =
+		    request_irq(ext_int_context->irq, me4000_ext_int_isr,
+				IRQF_DISABLED | IRQF_SHARED, ME4000_NAME,
+				ext_int_context);
+		if (err) {
+			printk(KERN_ERR
+			       "ME4000:me4000_open():Can't get interrupt line");
+			ext_int_context->in_use = 0;
+			return -ENODEV;
+		}
+
+		/* Reset the counter */
+		me4000_ext_int_disable(ext_int_context);
+	} else {
+		printk(KERN_ERR "ME4000:me4000_open():Major number unknown\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int me4000_release(struct inode *inode_p, struct file *file_p)
+{
+	me4000_ao_context_t *ao_context;
+	me4000_ai_context_t *ai_context;
+	me4000_dio_context_t *dio_context;
+	me4000_cnt_context_t *cnt_context;
+	me4000_ext_int_context_t *ext_int_context;
+
+	CALL_PDEBUG("me4000_release() is executed\n");
+
+	if (MAJOR(inode_p->i_rdev) == me4000_ao_major_driver_no) {
+		ao_context = file_p->private_data;
+
+		/* Mark DAC as unused */
+		ao_context->dac_in_use = 0;
+	} else if (MAJOR(inode_p->i_rdev) == me4000_ai_major_driver_no) {
+		ai_context = file_p->private_data;
+
+		/* Reset the analog input */
+		me4000_ai_reset(ai_context);
+
+		/* Free the interrupt and the circular buffer */
+		if (ai_context->mode) {
+			free_irq(ai_context->irq, ai_context);
+			kfree(ai_context->circ_buf.buf);
+			ai_context->circ_buf.buf = NULL;
+			ai_context->circ_buf.head = 0;
+			ai_context->circ_buf.tail = 0;
+		}
+
+		/* Mark AI as unused */
+		ai_context->in_use = 0;
+	} else if (MAJOR(inode_p->i_rdev) == me4000_dio_major_driver_no) {
+		dio_context = file_p->private_data;
+
+		/* Mark digital I/O as unused */
+		dio_context->in_use = 0;
+	} else if (MAJOR(inode_p->i_rdev) == me4000_cnt_major_driver_no) {
+		cnt_context = file_p->private_data;
+
+		/* Mark counters as unused */
+		cnt_context->in_use = 0;
+	} else if (MAJOR(inode_p->i_rdev) == me4000_ext_int_major_driver_no) {
+		ext_int_context = file_p->private_data;
+
+		/* Disable the externel interrupt */
+		me4000_ext_int_disable(ext_int_context);
+
+		free_irq(ext_int_context->irq, ext_int_context);
+
+		/* Delete the fasync structure and free memory */
+		me4000_ext_int_fasync(0, file_p, 0);
+
+		/* Mark as unused */
+		ext_int_context->in_use = 0;
+	} else {
+		printk(KERN_ERR
+		       "ME4000:me4000_release():Major number unknown\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*------------------------------- Analog output stuff --------------------------------------*/
+
+static int me4000_ao_prepare(me4000_ao_context_t * ao_context)
+{
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_prepare() is executed\n");
+
+	if (ao_context->mode == ME4000_AO_CONV_MODE_CONTINUOUS) {
+		/* Only do anything if not already in the correct mode */
+		unsigned long mode = me4000_inl(ao_context->ctrl_reg);
+		if ((mode & ME4000_AO_CONV_MODE_CONTINUOUS)
+		    && (mode & ME4000_AO_CTRL_BIT_ENABLE_FIFO)) {
+			return 0;
+		}
+
+		/* Stop any conversion */
+		me4000_ao_immediate_stop(ao_context);
+
+		/* Set the control register to default state  */
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		me4000_outl(ME4000_AO_CONV_MODE_CONTINUOUS |
+			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
+			    ME4000_AO_CTRL_BIT_STOP |
+			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
+			    ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+		/* Set to fastest sample rate */
+		me4000_outl(65, ao_context->timer_reg);
+	} else if (ao_context->mode == ME4000_AO_CONV_MODE_WRAPAROUND) {
+		/* Only do anything if not already in the correct mode */
+		unsigned long mode = me4000_inl(ao_context->ctrl_reg);
+		if ((mode & ME4000_AO_CONV_MODE_WRAPAROUND)
+		    && (mode & ME4000_AO_CTRL_BIT_ENABLE_FIFO)) {
+			return 0;
+		}
+
+		/* Stop any conversion */
+		me4000_ao_immediate_stop(ao_context);
+
+		/* Set the control register to default state  */
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		me4000_outl(ME4000_AO_CONV_MODE_WRAPAROUND |
+			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
+			    ME4000_AO_CTRL_BIT_STOP |
+			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
+			    ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+		/* Set to fastest sample rate */
+		me4000_outl(65, ao_context->timer_reg);
+	} else if (ao_context->mode == ME4000_AO_CONV_MODE_SINGLE) {
+		/* Only do anything if not already in the correct mode */
+		unsigned long mode = me4000_inl(ao_context->ctrl_reg);
+		if (!
+		    (mode &
+		     (ME4000_AO_CONV_MODE_WRAPAROUND |
+		      ME4000_AO_CONV_MODE_CONTINUOUS))) {
+			return 0;
+		}
+
+		/* Stop any conversion */
+		me4000_ao_immediate_stop(ao_context);
+
+		/* Clear the control register */
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		me4000_outl(0x0, ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+		/* Set voltage to 0V */
+		me4000_outl(0x8000, ao_context->single_reg);
+	} else {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_prepare():Invalid mode specified\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int me4000_ao_reset(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	wait_queue_head_t queue;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_reset() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	if (ao_context->mode == ME4000_AO_CONV_MODE_WRAPAROUND) {
+		/*
+		 * First stop conversion of the DAC before reconfigure.
+		 * This is essantial, cause of the state machine.
+		 * If not stopped before configuring mode, it could
+		 * walk in a undefined state.
+		 */
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		tmp |= ME4000_AO_CTRL_BIT_IMMEDIATE_STOP;
+		me4000_outl(tmp, ao_context->ctrl_reg);
+
+		while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
+			sleep_on_timeout(&queue, 1);
+		}
+
+		/* Set to transparent mode */
+		me4000_ao_simultaneous_disable(ao_context);
+
+		/* Set to single mode in order to set default voltage */
+		me4000_outl(0x0, ao_context->ctrl_reg);
+
+		/* Set voltage to 0V */
+		me4000_outl(0x8000, ao_context->single_reg);
+
+		/* Set to fastest sample rate */
+		me4000_outl(65, ao_context->timer_reg);
+
+		/* Set the original mode and enable FIFO */
+		me4000_outl(ME4000_AO_CONV_MODE_WRAPAROUND |
+			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
+			    ME4000_AO_CTRL_BIT_STOP |
+			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
+			    ao_context->ctrl_reg);
+	} else if (ao_context->mode == ME4000_AO_CONV_MODE_CONTINUOUS) {
+		/*
+		 * First stop conversion of the DAC before reconfigure.
+		 * This is essantial, cause of the state machine.
+		 * If not stopped before configuring mode, it could
+		 * walk in a undefined state.
+		 */
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		tmp |= ME4000_AO_CTRL_BIT_STOP;
+		me4000_outl(tmp, ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+		while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
+			sleep_on_timeout(&queue, 1);
+		}
+
+		/* Clear the circular buffer */
+		ao_context->circ_buf.head = 0;
+		ao_context->circ_buf.tail = 0;
+
+		/* Set to transparent mode */
+		me4000_ao_simultaneous_disable(ao_context);
+
+		/* Set to single mode in order to set default voltage */
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		me4000_outl(0x0, ao_context->ctrl_reg);
+
+		/* Set voltage to 0V */
+		me4000_outl(0x8000, ao_context->single_reg);
+
+		/* Set to fastest sample rate */
+		me4000_outl(65, ao_context->timer_reg);
+
+		/* Set the original mode and enable FIFO */
+		me4000_outl(ME4000_AO_CONV_MODE_CONTINUOUS |
+			    ME4000_AO_CTRL_BIT_ENABLE_FIFO |
+			    ME4000_AO_CTRL_BIT_STOP |
+			    ME4000_AO_CTRL_BIT_IMMEDIATE_STOP,
+			    ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+	} else {
+		/* Set to transparent mode */
+		me4000_ao_simultaneous_disable(ao_context);
+
+		/* Set voltage to 0V */
+		me4000_outl(0x8000, ao_context->single_reg);
+	}
+
+	return 0;
+}
+
+static ssize_t me4000_ao_write_sing(struct file *filep, const char *buff,
+				    size_t cnt, loff_t * offp)
+{
+	me4000_ao_context_t *ao_context = filep->private_data;
+	u32 value;
+	const u16 *buffer = (const u16 *)buff;
+
+	CALL_PDEBUG("me4000_ao_write_sing() is executed\n");
+
+	if (cnt != 2) {
+		printk(KERN_ERR
+		       "me4000_ao_write_sing():Write count is not 2\n");
+		return -EINVAL;
+	}
+
+	if (get_user(value, buffer)) {
+		printk(KERN_ERR
+		       "me4000_ao_write_sing():Cannot copy data from user\n");
+		return -EFAULT;
+	}
+
+	me4000_outl(value, ao_context->single_reg);
+
+	return 2;
+}
+
+static ssize_t me4000_ao_write_wrap(struct file *filep, const char *buff,
+				    size_t cnt, loff_t * offp)
+{
+	me4000_ao_context_t *ao_context = filep->private_data;
+	size_t i;
+	u32 value;
+	u32 tmp;
+	const u16 *buffer = (const u16 *)buff;
+	size_t count = cnt / 2;
+
+	CALL_PDEBUG("me4000_ao_write_wrap() is executed\n");
+
+	/* Check if a conversion is already running */
+	if (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_write_wrap():There is already a conversion running\n");
+		return -EBUSY;
+	}
+
+	if (count > ME4000_AO_FIFO_COUNT) {
+		printk(KERN_ERR
+		       "me4000_ao_write_wrap():Can't load more than %d values\n",
+		       ME4000_AO_FIFO_COUNT);
+		return -ENOSPC;
+	}
+
+	/* Reset the FIFO */
+	tmp = inl(ao_context->ctrl_reg);
+	tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_FIFO;
+	outl(tmp, ao_context->ctrl_reg);
+	tmp |= ME4000_AO_CTRL_BIT_ENABLE_FIFO;
+	outl(tmp, ao_context->ctrl_reg);
+
+	for (i = 0; i < count; i++) {
+		if (get_user(value, buffer + i)) {
+			printk(KERN_ERR
+			       "me4000_ao_write_single():Cannot copy data from user\n");
+			return -EFAULT;
+		}
+		if (((ao_context->fifo_reg & 0xFF) == ME4000_AO_01_FIFO_REG)
+		    || ((ao_context->fifo_reg & 0xFF) == ME4000_AO_03_FIFO_REG))
+			value = value << 16;
+		outl(value, ao_context->fifo_reg);
+	}
+	CALL_PDEBUG("me4000_ao_write_wrap() is leaved with %d\n", i * 2);
+
+	return i * 2;
+}
+
+static ssize_t me4000_ao_write_cont(struct file *filep, const char *buff,
+				    size_t cnt, loff_t * offp)
+{
+	me4000_ao_context_t *ao_context = filep->private_data;
+	const u16 *buffer = (const u16 *)buff;
+	size_t count = cnt / 2;
+	unsigned long flags;
+	u32 tmp;
+	int c = 0;
+	int k = 0;
+	int ret = 0;
+	u16 svalue;
+	u32 lvalue;
+	int i;
+	wait_queue_head_t queue;
+
+	CALL_PDEBUG("me4000_ao_write_cont() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	/* Check count */
+	if (count <= 0) {
+		PDEBUG("me4000_ao_write_cont():Count is 0\n");
+		return 0;
+	}
+
+	if (filep->f_flags & O_APPEND) {
+		PDEBUG("me4000_ao_write_cont():Append data to data stream\n");
+		while (count > 0) {
+			if (filep->f_flags & O_NONBLOCK) {
+				if (ao_context->pipe_flag) {
+					printk(KERN_ERR
+					       "ME4000:me4000_ao_write_cont():Broken pipe in nonblocking write\n");
+					return -EPIPE;
+				}
+				c = me4000_space_to_end(ao_context->circ_buf,
+							ME4000_AO_BUFFER_COUNT);
+				if (!c) {
+					PDEBUG
+					    ("me4000_ao_write_cont():Returning from nonblocking write\n");
+					break;
+				}
+			} else {
+				wait_event_interruptible(ao_context->wait_queue,
+							 (c =
+							  me4000_space_to_end
+							  (ao_context->circ_buf,
+							   ME4000_AO_BUFFER_COUNT)));
+				if (ao_context->pipe_flag) {
+					printk(KERN_ERR
+					       "me4000_ao_write_cont():Broken pipe in blocking write\n");
+					return -EPIPE;
+				}
+				if (signal_pending(current)) {
+					printk(KERN_ERR
+					       "me4000_ao_write_cont():Wait for free buffer interrupted from signal\n");
+					return -EINTR;
+				}
+			}
+
+			PDEBUG("me4000_ao_write_cont():Space to end = %d\n", c);
+
+			/* Only able to write size of free buffer or size of count */
+			if (count < c)
+				c = count;
+
+			k = 2 * c;
+			k -= copy_from_user(ao_context->circ_buf.buf +
+					    ao_context->circ_buf.head, buffer,
+					    k);
+			c = k / 2;
+			PDEBUG
+			    ("me4000_ao_write_cont():Copy %d values from user space\n",
+			     c);
+
+			if (!c)
+				return -EFAULT;
+
+			ao_context->circ_buf.head =
+			    (ao_context->circ_buf.head +
+			     c) & (ME4000_AO_BUFFER_COUNT - 1);
+			buffer += c;
+			count -= c;
+			ret += c;
+
+			/* Values are now available so enable interrupts */
+			spin_lock_irqsave(&ao_context->int_lock, flags);
+			if (me4000_buf_count
+			    (ao_context->circ_buf, ME4000_AO_BUFFER_COUNT)) {
+				tmp = me4000_inl(ao_context->ctrl_reg);
+				tmp |= ME4000_AO_CTRL_BIT_ENABLE_IRQ;
+				me4000_outl(tmp, ao_context->ctrl_reg);
+			}
+			spin_unlock_irqrestore(&ao_context->int_lock, flags);
+		}
+
+		/* Wait until the state machine is stopped if O_SYNC is set */
+		if (filep->f_flags & O_SYNC) {
+			while (inl(ao_context->status_reg) &
+			       ME4000_AO_STATUS_BIT_FSM) {
+				interruptible_sleep_on_timeout(&queue, 1);
+				if (ao_context->pipe_flag) {
+					PDEBUG
+					    ("me4000_ao_write_cont():Broken pipe detected after sync\n");
+					return -EPIPE;
+				}
+				if (signal_pending(current)) {
+					printk(KERN_ERR
+					       "me4000_ao_write_cont():Wait on state machine after sync interrupted\n");
+					return -EINTR;
+				}
+			}
+		}
+	} else {
+		PDEBUG("me4000_ao_write_cont():Preload DAC FIFO\n");
+		if ((me4000_inl(ao_context->status_reg) &
+		     ME4000_AO_STATUS_BIT_FSM)) {
+			printk(KERN_ERR
+			       "me4000_ao_write_cont():Can't Preload DAC FIFO while conversion is running\n");
+			return -EBUSY;
+		}
+
+		/* Clear the FIFO */
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		tmp &=
+		    ~(ME4000_AO_CTRL_BIT_ENABLE_FIFO |
+		      ME4000_AO_CTRL_BIT_ENABLE_IRQ);
+		me4000_outl(tmp, ao_context->ctrl_reg);
+		tmp |= ME4000_AO_CTRL_BIT_ENABLE_FIFO;
+		me4000_outl(tmp, ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+		/* Clear the circular buffer */
+		ao_context->circ_buf.head = 0;
+		ao_context->circ_buf.tail = 0;
+
+		/* Reset the broken pipe flag */
+		ao_context->pipe_flag = 0;
+
+		/* Only able to write size of fifo or count */
+		c = ME4000_AO_FIFO_COUNT;
+		if (count < c)
+			c = count;
+
+		PDEBUG
+		    ("me4000_ao_write_cont():Write %d values to DAC on 0x%lX\n",
+		     c, ao_context->fifo_reg);
+
+		/* Write values to the fifo */
+		for (i = 0; i < c; i++) {
+			if (get_user(svalue, buffer))
+				return -EFAULT;
+
+			if (((ao_context->fifo_reg & 0xFF) ==
+			     ME4000_AO_01_FIFO_REG)
+			    || ((ao_context->fifo_reg & 0xFF) ==
+				ME4000_AO_03_FIFO_REG)) {
+				lvalue = ((u32) svalue) << 16;
+			} else
+				lvalue = (u32) svalue;
+
+			outl(lvalue, ao_context->fifo_reg);
+			buffer++;
+		}
+		count -= c;
+		ret += c;
+
+		while (1) {
+			/* Get free buffer */
+			c = me4000_space_to_end(ao_context->circ_buf,
+						ME4000_AO_BUFFER_COUNT);
+
+			if (c == 0)
+				return (2 * ret);
+
+			/* Only able to write size of free buffer or size of count */
+			if (count < c)
+				c = count;
+
+			/* If count = 0 return to user */
+			if (c <= 0) {
+				PDEBUG
+				    ("me4000_ao_write_cont():Count reached 0\n");
+				break;
+			}
+
+			k = 2 * c;
+			k -= copy_from_user(ao_context->circ_buf.buf +
+					    ao_context->circ_buf.head, buffer,
+					    k);
+			c = k / 2;
+			PDEBUG
+			    ("me4000_ao_write_cont():Wrote %d values to buffer\n",
+			     c);
+
+			if (!c)
+				return -EFAULT;
+
+			ao_context->circ_buf.head =
+			    (ao_context->circ_buf.head +
+			     c) & (ME4000_AO_BUFFER_COUNT - 1);
+			buffer += c;
+			count -= c;
+			ret += c;
+
+			/* If values in the buffer are available so enable interrupts */
+			spin_lock_irqsave(&ao_context->int_lock, flags);
+			if (me4000_buf_count
+			    (ao_context->circ_buf, ME4000_AO_BUFFER_COUNT)) {
+				PDEBUG
+				    ("me4000_ao_write_cont():Enable Interrupts\n");
+				tmp = me4000_inl(ao_context->ctrl_reg);
+				tmp |= ME4000_AO_CTRL_BIT_ENABLE_IRQ;
+				me4000_outl(tmp, ao_context->ctrl_reg);
+			}
+			spin_unlock_irqrestore(&ao_context->int_lock, flags);
+		}
+	}
+
+	if (filep->f_flags & O_NONBLOCK) {
+		return (ret == 0) ? -EAGAIN : 2 * ret;
+	}
+
+	return 2 * ret;
+}
+
+static unsigned int me4000_ao_poll_cont(struct file *file_p, poll_table * wait)
+{
+	me4000_ao_context_t *ao_context;
+	unsigned long mask = 0;
+
+	CALL_PDEBUG("me4000_ao_poll_cont() is executed\n");
+
+	ao_context = file_p->private_data;
+
+	poll_wait(file_p, &ao_context->wait_queue, wait);
+
+	/* Get free buffer */
+	if (me4000_space_to_end(ao_context->circ_buf, ME4000_AO_BUFFER_COUNT))
+		mask |= POLLOUT | POLLWRNORM;
+
+	CALL_PDEBUG("me4000_ao_poll_cont():Return mask %lX\n", mask);
+
+	return mask;
+}
+
+static int me4000_ao_fsync_cont(struct file *file_p, struct dentry *dentry_p,
+				int datasync)
+{
+	me4000_ao_context_t *ao_context;
+	wait_queue_head_t queue;
+
+	CALL_PDEBUG("me4000_ao_fsync_cont() is executed\n");
+
+	ao_context = file_p->private_data;
+	init_waitqueue_head(&queue);
+
+	while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
+		interruptible_sleep_on_timeout(&queue, 1);
+		if (ao_context->pipe_flag) {
+			printk(KERN_ERR
+			       "me4000_ao_fsync_cont():Broken pipe detected\n");
+			return -EPIPE;
+		}
+
+		if (signal_pending(current)) {
+			printk(KERN_ERR
+			       "me4000_ao_fsync_cont():Wait on state machine interrupted\n");
+			return -EINTR;
+		}
+	}
+
+	return 0;
+}
+
+static int me4000_ao_ioctl_sing(struct inode *inode_p, struct file *file_p,
+				unsigned int service, unsigned long arg)
+{
+	me4000_ao_context_t *ao_context;
+
+	CALL_PDEBUG("me4000_ao_ioctl_sing() is executed\n");
+
+	ao_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		return -ENOTTY;
+		PDEBUG("me4000_ao_ioctl_sing():Wrong magic number\n");
+	}
+
+	switch (service) {
+	case ME4000_AO_EX_TRIG_SETUP:
+		return me4000_ao_ex_trig_set_edge((int *)arg, ao_context);
+	case ME4000_AO_EX_TRIG_ENABLE:
+		return me4000_ao_ex_trig_enable(ao_context);
+	case ME4000_AO_EX_TRIG_DISABLE:
+		return me4000_ao_ex_trig_disable(ao_context);
+	case ME4000_AO_PRELOAD:
+		return me4000_ao_preload(ao_context);
+	case ME4000_AO_PRELOAD_UPDATE:
+		return me4000_ao_preload_update(ao_context);
+	case ME4000_GET_USER_INFO:
+		return me4000_get_user_info((me4000_user_info_t *) arg,
+					    ao_context->board_info);
+	case ME4000_AO_SIMULTANEOUS_EX_TRIG:
+		return me4000_ao_simultaneous_ex_trig(ao_context);
+	case ME4000_AO_SIMULTANEOUS_SW:
+		return me4000_ao_simultaneous_sw(ao_context);
+	case ME4000_AO_SIMULTANEOUS_DISABLE:
+		return me4000_ao_simultaneous_disable(ao_context);
+	case ME4000_AO_SIMULTANEOUS_UPDATE:
+		return
+		    me4000_ao_simultaneous_update((me4000_ao_channel_list_t *)
+						  arg, ao_context);
+	case ME4000_AO_EX_TRIG_TIMEOUT:
+		return me4000_ao_ex_trig_timeout((unsigned long *)arg,
+						 ao_context);
+	case ME4000_AO_DISABLE_DO:
+		return me4000_ao_disable_do(ao_context);
+	default:
+		printk(KERN_ERR
+		       "me4000_ao_ioctl_sing():Service number invalid\n");
+		return -ENOTTY;
+	}
+
+	return 0;
+}
+
+static int me4000_ao_ioctl_wrap(struct inode *inode_p, struct file *file_p,
+				unsigned int service, unsigned long arg)
+{
+	me4000_ao_context_t *ao_context;
+
+	CALL_PDEBUG("me4000_ao_ioctl_wrap() is executed\n");
+
+	ao_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		return -ENOTTY;
+		PDEBUG("me4000_ao_ioctl_wrap():Wrong magic number\n");
+	}
+
+	switch (service) {
+	case ME4000_AO_START:
+		return me4000_ao_start((unsigned long *)arg, ao_context);
+	case ME4000_AO_STOP:
+		return me4000_ao_stop(ao_context);
+	case ME4000_AO_IMMEDIATE_STOP:
+		return me4000_ao_immediate_stop(ao_context);
+	case ME4000_AO_RESET:
+		return me4000_ao_reset(ao_context);
+	case ME4000_AO_TIMER_SET_DIVISOR:
+		return me4000_ao_timer_set_divisor((u32 *) arg, ao_context);
+	case ME4000_AO_EX_TRIG_SETUP:
+		return me4000_ao_ex_trig_set_edge((int *)arg, ao_context);
+	case ME4000_AO_EX_TRIG_ENABLE:
+		return me4000_ao_ex_trig_enable(ao_context);
+	case ME4000_AO_EX_TRIG_DISABLE:
+		return me4000_ao_ex_trig_disable(ao_context);
+	case ME4000_GET_USER_INFO:
+		return me4000_get_user_info((me4000_user_info_t *) arg,
+					    ao_context->board_info);
+	case ME4000_AO_FSM_STATE:
+		return me4000_ao_fsm_state((int *)arg, ao_context);
+	case ME4000_AO_ENABLE_DO:
+		return me4000_ao_enable_do(ao_context);
+	case ME4000_AO_DISABLE_DO:
+		return me4000_ao_disable_do(ao_context);
+	case ME4000_AO_SYNCHRONOUS_EX_TRIG:
+		return me4000_ao_synchronous_ex_trig(ao_context);
+	case ME4000_AO_SYNCHRONOUS_SW:
+		return me4000_ao_synchronous_sw(ao_context);
+	case ME4000_AO_SYNCHRONOUS_DISABLE:
+		return me4000_ao_synchronous_disable(ao_context);
+	default:
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_ao_ioctl_cont(struct inode *inode_p, struct file *file_p,
+				unsigned int service, unsigned long arg)
+{
+	me4000_ao_context_t *ao_context;
+
+	CALL_PDEBUG("me4000_ao_ioctl_cont() is executed\n");
+
+	ao_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		return -ENOTTY;
+		PDEBUG("me4000_ao_ioctl_cont():Wrong magic number\n");
+	}
+
+	switch (service) {
+	case ME4000_AO_START:
+		return me4000_ao_start((unsigned long *)arg, ao_context);
+	case ME4000_AO_STOP:
+		return me4000_ao_stop(ao_context);
+	case ME4000_AO_IMMEDIATE_STOP:
+		return me4000_ao_immediate_stop(ao_context);
+	case ME4000_AO_RESET:
+		return me4000_ao_reset(ao_context);
+	case ME4000_AO_TIMER_SET_DIVISOR:
+		return me4000_ao_timer_set_divisor((u32 *) arg, ao_context);
+	case ME4000_AO_EX_TRIG_SETUP:
+		return me4000_ao_ex_trig_set_edge((int *)arg, ao_context);
+	case ME4000_AO_EX_TRIG_ENABLE:
+		return me4000_ao_ex_trig_enable(ao_context);
+	case ME4000_AO_EX_TRIG_DISABLE:
+		return me4000_ao_ex_trig_disable(ao_context);
+	case ME4000_AO_ENABLE_DO:
+		return me4000_ao_enable_do(ao_context);
+	case ME4000_AO_DISABLE_DO:
+		return me4000_ao_disable_do(ao_context);
+	case ME4000_AO_FSM_STATE:
+		return me4000_ao_fsm_state((int *)arg, ao_context);
+	case ME4000_GET_USER_INFO:
+		return me4000_get_user_info((me4000_user_info_t *) arg,
+					    ao_context->board_info);
+	case ME4000_AO_SYNCHRONOUS_EX_TRIG:
+		return me4000_ao_synchronous_ex_trig(ao_context);
+	case ME4000_AO_SYNCHRONOUS_SW:
+		return me4000_ao_synchronous_sw(ao_context);
+	case ME4000_AO_SYNCHRONOUS_DISABLE:
+		return me4000_ao_synchronous_disable(ao_context);
+	case ME4000_AO_GET_FREE_BUFFER:
+		return me4000_ao_get_free_buffer((unsigned long *)arg,
+						 ao_context);
+	default:
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_ao_start(unsigned long *arg, me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	wait_queue_head_t queue;
+	unsigned long ref;
+	unsigned long timeout;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_start() is executed\n");
+
+	if (get_user(timeout, arg)) {
+		printk(KERN_ERR
+		       "me4000_ao_start():Cannot copy data from user\n");
+		return -EFAULT;
+	}
+
+	init_waitqueue_head(&queue);
+
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = inl(ao_context->ctrl_reg);
+	tmp &= ~(ME4000_AO_CTRL_BIT_STOP | ME4000_AO_CTRL_BIT_IMMEDIATE_STOP);
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	if ((tmp & ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG)) {
+		if (timeout) {
+			ref = jiffies;
+			while (!
+			       (inl(ao_context->status_reg) &
+				ME4000_AO_STATUS_BIT_FSM)) {
+				interruptible_sleep_on_timeout(&queue, 1);
+				if (signal_pending(current)) {
+					printk(KERN_ERR
+					       "ME4000:me4000_ao_start():Wait on start of state machine interrupted\n");
+					return -EINTR;
+				}
+				if (((jiffies - ref) > (timeout * HZ / USER_HZ))) {	// 2.6 has diffrent definitions for HZ in user and kernel space
+					printk(KERN_ERR
+					       "ME4000:me4000_ao_start():Timeout reached\n");
+					return -EIO;
+				}
+			}
+		}
+	} else {
+		me4000_outl(0x8000, ao_context->single_reg);
+	}
+
+	return 0;
+}
+
+static int me4000_ao_stop(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	wait_queue_head_t queue;
+	unsigned long flags;
+
+	init_waitqueue_head(&queue);
+
+	CALL_PDEBUG("me4000_ao_stop() is executed\n");
+
+	/* Set the stop bit */
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = inl(ao_context->ctrl_reg);
+	tmp |= ME4000_AO_CTRL_BIT_STOP;
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
+		interruptible_sleep_on_timeout(&queue, 1);
+		if (signal_pending(current)) {
+			printk(KERN_ERR
+			       "me4000_ao_stop():Wait on state machine after stop interrupted\n");
+			return -EINTR;
+		}
+	}
+
+	/* Clear the stop bit */
+	//tmp &= ~ME4000_AO_CTRL_BIT_STOP;
+	//me4000_outl(tmp, ao_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ao_immediate_stop(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	wait_queue_head_t queue;
+	unsigned long flags;
+
+	init_waitqueue_head(&queue);
+
+	CALL_PDEBUG("me4000_ao_immediate_stop() is executed\n");
+
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = inl(ao_context->ctrl_reg);
+	tmp |= ME4000_AO_CTRL_BIT_STOP | ME4000_AO_CTRL_BIT_IMMEDIATE_STOP;
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
+		interruptible_sleep_on_timeout(&queue, 1);
+		if (signal_pending(current)) {
+			printk(KERN_ERR
+			       "me4000_ao_immediate_stop():Wait on state machine after stop interrupted\n");
+			return -EINTR;
+		}
+	}
+
+	/* Clear the stop bits */
+	//tmp &= ~(ME4000_AO_CTRL_BIT_STOP | ME4000_AO_CTRL_BIT_IMMEDIATE_STOP);
+	//me4000_outl(tmp, ao_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ao_timer_set_divisor(u32 * arg,
+				       me4000_ao_context_t * ao_context)
+{
+	u32 divisor;
+	u32 tmp;
+
+	CALL_PDEBUG("me4000_ao_timer set_divisor() is executed\n");
+
+	if (get_user(divisor, arg))
+		return -EFAULT;
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "me4000_ao_timer_set_divisor():Can't set timer while DAC is running\n");
+		return -EBUSY;
+	}
+
+	PDEBUG("me4000_ao_timer set_divisor():Divisor from user = %d\n",
+	       divisor);
+
+	/* Check if the divisor is right. ME4000_AO_MIN_TICKS is the lowest */
+	if (divisor < ME4000_AO_MIN_TICKS) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_timer set_divisor():Divisor to low\n");
+		return -EINVAL;
+	}
+
+	/* Fix bug in Firmware */
+	divisor -= 2;
+
+	PDEBUG("me4000_ao_timer set_divisor():Divisor to HW = %d\n", divisor);
+
+	/* Write the divisor */
+	me4000_outl(divisor, ao_context->timer_reg);
+
+	return 0;
+}
+
+static int me4000_ao_ex_trig_set_edge(int *arg,
+				      me4000_ao_context_t * ao_context)
+{
+	int mode;
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_ex_trig_set_edge() is executed\n");
+
+	if (get_user(mode, arg))
+		return -EFAULT;
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "me4000_ao_ex_trig_set_edge():Can't set trigger while DAC is running\n");
+		return -EBUSY;
+	}
+
+	if (mode == ME4000_AO_TRIGGER_EXT_EDGE_RISING) {
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		tmp &=
+		    ~(ME4000_AO_CTRL_BIT_EX_TRIG_EDGE |
+		      ME4000_AO_CTRL_BIT_EX_TRIG_BOTH);
+		me4000_outl(tmp, ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+	} else if (mode == ME4000_AO_TRIGGER_EXT_EDGE_FALLING) {
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		tmp &= ~ME4000_AO_CTRL_BIT_EX_TRIG_BOTH;
+		tmp |= ME4000_AO_CTRL_BIT_EX_TRIG_EDGE;
+		me4000_outl(tmp, ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+	} else if (mode == ME4000_AO_TRIGGER_EXT_EDGE_BOTH) {
+		spin_lock_irqsave(&ao_context->int_lock, flags);
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		tmp |=
+		    ME4000_AO_CTRL_BIT_EX_TRIG_EDGE |
+		    ME4000_AO_CTRL_BIT_EX_TRIG_BOTH;
+		me4000_outl(tmp, ao_context->ctrl_reg);
+		spin_unlock_irqrestore(&ao_context->int_lock, flags);
+	} else {
+		printk(KERN_ERR
+		       "me4000_ao_ex_trig_set_edge():Invalid trigger mode\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int me4000_ao_ex_trig_enable(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_ex_trig_enable() is executed\n");
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "me4000_ao_ex_trig_enable():Can't enable trigger while DAC is running\n");
+		return -EBUSY;
+	}
+
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = me4000_inl(ao_context->ctrl_reg);
+	tmp |= ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG;
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ao_ex_trig_disable(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_ex_trig_disable() is executed\n");
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "me4000_ao_ex_trig_disable():Can't disable trigger while DAC is running\n");
+		return -EBUSY;
+	}
+
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = me4000_inl(ao_context->ctrl_reg);
+	tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG;
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ao_simultaneous_disable(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+
+	CALL_PDEBUG("me4000_ao_simultaneous_disable() is executed\n");
+
+	/* Check if the state machine is stopped */
+	/* Be careful here because this function is called from
+	   me4000_ao_synchronous disable */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "me4000_ao_simultaneous_disable():Can't disable while DAC is running\n");
+		return -EBUSY;
+	}
+
+	spin_lock(&ao_context->board_info->preload_lock);
+	tmp = me4000_inl(ao_context->preload_reg);
+	tmp &= ~(0x1 << ao_context->index);	// Disable preload bit
+	tmp &= ~(0x1 << (ao_context->index + 16));	// Disable hw simultaneous bit
+	me4000_outl(tmp, ao_context->preload_reg);
+	spin_unlock(&ao_context->board_info->preload_lock);
+
+	return 0;
+}
+
+static int me4000_ao_simultaneous_ex_trig(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+
+	CALL_PDEBUG("me4000_ao_simultaneous_ex_trig() is executed\n");
+
+	spin_lock(&ao_context->board_info->preload_lock);
+	tmp = me4000_inl(ao_context->preload_reg);
+	tmp |= (0x1 << ao_context->index);	// Enable preload bit
+	tmp |= (0x1 << (ao_context->index + 16));	// Enable hw simultaneous bit
+	me4000_outl(tmp, ao_context->preload_reg);
+	spin_unlock(&ao_context->board_info->preload_lock);
+
+	return 0;
+}
+
+static int me4000_ao_simultaneous_sw(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+
+	CALL_PDEBUG("me4000_ao_simultaneous_sw() is executed\n");
+
+	spin_lock(&ao_context->board_info->preload_lock);
+	tmp = me4000_inl(ao_context->preload_reg);
+	tmp |= (0x1 << ao_context->index);	// Enable preload bit
+	tmp &= ~(0x1 << (ao_context->index + 16));	// Disable hw simultaneous bit
+	me4000_outl(tmp, ao_context->preload_reg);
+	spin_unlock(&ao_context->board_info->preload_lock);
+
+	return 0;
+}
+
+static int me4000_ao_preload(me4000_ao_context_t * ao_context)
+{
+	CALL_PDEBUG("me4000_ao_preload() is executed\n");
+	return me4000_ao_simultaneous_sw(ao_context);
+}
+
+static int me4000_ao_preload_update(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	u32 ctrl;
+	struct list_head *entry;
+
+	CALL_PDEBUG("me4000_ao_preload_update() is executed\n");
+
+	spin_lock(&ao_context->board_info->preload_lock);
+	tmp = me4000_inl(ao_context->preload_reg);
+	list_for_each(entry, &ao_context->board_info->ao_context_list) {
+		/* The channels we update must be in the following state :
+		   - Mode A
+		   - Hardware trigger is disabled
+		   - Corresponding simultaneous bit is reset
+		 */
+		ctrl = me4000_inl(ao_context->ctrl_reg);
+		if (!
+		    (ctrl &
+		     (ME4000_AO_CTRL_BIT_MODE_0 | ME4000_AO_CTRL_BIT_MODE_1 |
+		      ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG))) {
+			if (!
+			    (tmp &
+			     (0x1 <<
+			      (((me4000_ao_context_t *) entry)->index + 16)))) {
+				tmp &=
+				    ~(0x1 <<
+				      (((me4000_ao_context_t *) entry)->index));
+			}
+		}
+	}
+	me4000_outl(tmp, ao_context->preload_reg);
+	spin_unlock(&ao_context->board_info->preload_lock);
+
+	return 0;
+}
+
+static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * arg,
+					 me4000_ao_context_t * ao_context)
+{
+	int err;
+	int i;
+	u32 tmp;
+	me4000_ao_channel_list_t channels;
+
+	CALL_PDEBUG("me4000_ao_simultaneous_update() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&channels, arg, sizeof(me4000_ao_channel_list_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_simultaneous_update():Can't copy command\n");
+		return -EFAULT;
+	}
+
+	channels.list =
+	    kmalloc(sizeof(unsigned long) * channels.count, GFP_KERNEL);
+	if (!channels.list) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_simultaneous_update():Can't get buffer\n");
+		return -ENOMEM;
+	}
+	memset(channels.list, 0, sizeof(unsigned long) * channels.count);
+
+	/* Copy channel list from user */
+	err =
+	    copy_from_user(channels.list, arg->list,
+			   sizeof(unsigned long) * channels.count);
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_simultaneous_update():Can't copy list\n");
+		kfree(channels.list);
+		return -EFAULT;
+	}
+
+	spin_lock(&ao_context->board_info->preload_lock);
+	tmp = me4000_inl(ao_context->preload_reg);
+	for (i = 0; i < channels.count; i++) {
+		if (channels.list[i] >
+		    ao_context->board_info->board_p->ao.count) {
+			spin_unlock(&ao_context->board_info->preload_lock);
+			kfree(channels.list);
+			printk(KERN_ERR
+			       "ME4000:me4000_ao_simultaneous_update():Invalid board number specified\n");
+			return -EFAULT;
+		}
+		tmp &= ~(0x1 << channels.list[i]);	// Clear the preload bit
+		tmp &= ~(0x1 << (channels.list[i] + 16));	// Clear the hw simultaneous bit
+	}
+	me4000_outl(tmp, ao_context->preload_reg);
+	spin_unlock(&ao_context->board_info->preload_lock);
+	kfree(channels.list);
+
+	return 0;
+}
+
+static int me4000_ao_synchronous_ex_trig(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_synchronous_ex_trig() is executed\n");
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "me4000_ao_synchronous_ex_trig(): DAC is running\n");
+		return -EBUSY;
+	}
+
+	spin_lock(&ao_context->board_info->preload_lock);
+	tmp = me4000_inl(ao_context->preload_reg);
+	tmp &= ~(0x1 << ao_context->index);	// Disable synchronous sw bit
+	tmp |= 0x1 << (ao_context->index + 16);	// Enable synchronous hw bit
+	me4000_outl(tmp, ao_context->preload_reg);
+	spin_unlock(&ao_context->board_info->preload_lock);
+
+	/* Make runnable */
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = me4000_inl(ao_context->ctrl_reg);
+	if (tmp & (ME4000_AO_CTRL_BIT_MODE_0 | ME4000_AO_CTRL_BIT_MODE_1)) {
+		tmp &=
+		    ~(ME4000_AO_CTRL_BIT_STOP |
+		      ME4000_AO_CTRL_BIT_IMMEDIATE_STOP);
+		me4000_outl(tmp, ao_context->ctrl_reg);
+	}
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ao_synchronous_sw(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_synchronous_sw() is executed\n");
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR "me4000_ao_synchronous_sw(): DAC is running\n");
+		return -EBUSY;
+	}
+
+	spin_lock(&ao_context->board_info->preload_lock);
+	tmp = me4000_inl(ao_context->preload_reg);
+	tmp |= 0x1 << ao_context->index;	// Enable synchronous sw bit
+	tmp &= ~(0x1 << (ao_context->index + 16));	// Disable synchronous hw bit
+	me4000_outl(tmp, ao_context->preload_reg);
+	spin_unlock(&ao_context->board_info->preload_lock);
+
+	/* Make runnable */
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = me4000_inl(ao_context->ctrl_reg);
+	if (tmp & (ME4000_AO_CTRL_BIT_MODE_0 | ME4000_AO_CTRL_BIT_MODE_1)) {
+		tmp &=
+		    ~(ME4000_AO_CTRL_BIT_STOP |
+		      ME4000_AO_CTRL_BIT_IMMEDIATE_STOP);
+		me4000_outl(tmp, ao_context->ctrl_reg);
+	}
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ao_synchronous_disable(me4000_ao_context_t * ao_context)
+{
+	return me4000_ao_simultaneous_disable(ao_context);
+}
+
+static int me4000_ao_get_free_buffer(unsigned long *arg,
+				     me4000_ao_context_t * ao_context)
+{
+	unsigned long c;
+	int err;
+
+	c = me4000_buf_space(ao_context->circ_buf, ME4000_AO_BUFFER_COUNT);
+
+	err = copy_to_user(arg, &c, sizeof(unsigned long));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_get_free_buffer():Can't copy to user space\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static int me4000_ao_ex_trig_timeout(unsigned long *arg,
+				     me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	wait_queue_head_t queue;
+	unsigned long ref;
+	unsigned long timeout;
+
+	CALL_PDEBUG("me4000_ao_ex_trig_timeout() is executed\n");
+
+	if (get_user(timeout, arg)) {
+		printk(KERN_ERR
+		       "me4000_ao_ex_trig_timeout():Cannot copy data from user\n");
+		return -EFAULT;
+	}
+
+	init_waitqueue_head(&queue);
+
+	tmp = inl(ao_context->ctrl_reg);
+
+	if ((tmp & ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG)) {
+		if (timeout) {
+			ref = jiffies;
+			while ((inl(ao_context->status_reg) &
+				ME4000_AO_STATUS_BIT_FSM)) {
+				interruptible_sleep_on_timeout(&queue, 1);
+				if (signal_pending(current)) {
+					printk(KERN_ERR
+					       "ME4000:me4000_ao_ex_trig_timeout():Wait on start of state machine interrupted\n");
+					return -EINTR;
+				}
+				if (((jiffies - ref) > (timeout * HZ / USER_HZ))) {	// 2.6 has diffrent definitions for HZ in user and kernel space
+					printk(KERN_ERR
+					       "ME4000:me4000_ao_ex_trig_timeout():Timeout reached\n");
+					return -EIO;
+				}
+			}
+		} else {
+			while ((inl(ao_context->status_reg) &
+				ME4000_AO_STATUS_BIT_FSM)) {
+				interruptible_sleep_on_timeout(&queue, 1);
+				if (signal_pending(current)) {
+					printk(KERN_ERR
+					       "ME4000:me4000_ao_ex_trig_timeout():Wait on start of state machine interrupted\n");
+					return -EINTR;
+				}
+			}
+		}
+	} else {
+		printk(KERN_ERR
+		       "ME4000:me4000_ao_ex_trig_timeout():External Trigger is not enabled\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int me4000_ao_enable_do(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_enable_do() is executed\n");
+
+	/* Only available for analog output 3 */
+	if (ao_context->index != 3) {
+		printk(KERN_ERR
+		       "me4000_ao_enable_do():Only available for analog output 3\n");
+		return -ENOTTY;
+	}
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR "me4000_ao_enable_do(): DAC is running\n");
+		return -EBUSY;
+	}
+
+	/* Set the stop bit */
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = inl(ao_context->ctrl_reg);
+	tmp |= ME4000_AO_CTRL_BIT_ENABLE_DO;
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ao_disable_do(me4000_ao_context_t * ao_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ao_disable_do() is executed\n");
+
+	/* Only available for analog output 3 */
+	if (ao_context->index != 3) {
+		printk(KERN_ERR
+		       "me4000_ao_disable():Only available for analog output 3\n");
+		return -ENOTTY;
+	}
+
+	/* Check if the state machine is stopped */
+	tmp = me4000_inl(ao_context->status_reg);
+	if (tmp & ME4000_AO_STATUS_BIT_FSM) {
+		printk(KERN_ERR "me4000_ao_disable_do(): DAC is running\n");
+		return -EBUSY;
+	}
+
+	spin_lock_irqsave(&ao_context->int_lock, flags);
+	tmp = inl(ao_context->ctrl_reg);
+	tmp &= ~(ME4000_AO_CTRL_BIT_ENABLE_DO);
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock_irqrestore(&ao_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ao_fsm_state(int *arg, me4000_ao_context_t * ao_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ao_fsm_state() is executed\n");
+
+	tmp =
+	    (me4000_inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) ? 1
+	    : 0;
+
+	if (ao_context->pipe_flag) {
+		printk(KERN_ERR "me4000_ao_fsm_state():Broken pipe detected\n");
+		return -EPIPE;
+	}
+
+	if (put_user(tmp, arg)) {
+		printk(KERN_ERR "me4000_ao_fsm_state():Cannot copy to user\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/*------------------------------- Analog input stuff --------------------------------------*/
+
+static int me4000_ai_prepare(me4000_ai_context_t * ai_context)
+{
+	wait_queue_head_t queue;
+	int err;
+
+	CALL_PDEBUG("me4000_ai_prepare() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	/* Set the new mode and stop bits */
+	me4000_outl(ai_context->
+		    mode | ME4000_AI_CTRL_BIT_STOP |
+		    ME4000_AI_CTRL_BIT_IMMEDIATE_STOP, ai_context->ctrl_reg);
+
+	/* Set the timer registers */
+	ai_context->chan_timer = 66;
+	ai_context->chan_pre_timer = 66;
+	ai_context->scan_timer_low = 0;
+	ai_context->scan_timer_high = 0;
+
+	me4000_outl(65, ai_context->chan_timer_reg);
+	me4000_outl(65, ai_context->chan_pre_timer_reg);
+	me4000_outl(0, ai_context->scan_timer_low_reg);
+	me4000_outl(0, ai_context->scan_timer_high_reg);
+	me4000_outl(0, ai_context->scan_pre_timer_low_reg);
+	me4000_outl(0, ai_context->scan_pre_timer_high_reg);
+
+	ai_context->channel_list_count = 0;
+
+	if (ai_context->mode) {
+		/* Request the interrupt line */
+		err =
+		    request_irq(ai_context->irq, me4000_ai_isr,
+				IRQF_DISABLED | IRQF_SHARED, ME4000_NAME,
+				ai_context);
+		if (err) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_prepare():Can't get interrupt line");
+			return -ENODEV;
+		}
+
+		/* Allocate circular buffer */
+		ai_context->circ_buf.buf =
+		    kmalloc(ME4000_AI_BUFFER_SIZE, GFP_KERNEL);
+		if (!ai_context->circ_buf.buf) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_prepare():Can't get circular buffer\n");
+			free_irq(ai_context->irq, ai_context);
+			return -ENOMEM;
+		}
+		memset(ai_context->circ_buf.buf, 0, ME4000_AI_BUFFER_SIZE);
+
+		/* Clear the circular buffer */
+		ai_context->circ_buf.head = 0;
+		ai_context->circ_buf.tail = 0;
+	}
+
+	return 0;
+}
+
+static int me4000_ai_reset(me4000_ai_context_t * ai_context)
+{
+	wait_queue_head_t queue;
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ai_reset() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	/*
+	 * First stop conversion of the state machine before reconfigure.
+	 * If not stopped before configuring mode, it could
+	 * walk in a undefined state.
+	 */
+	spin_lock_irqsave(&ai_context->int_lock, flags);
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp |= ME4000_AI_CTRL_BIT_IMMEDIATE_STOP;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+	spin_unlock_irqrestore(&ai_context->int_lock, flags);
+
+	while (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) {
+		interruptible_sleep_on_timeout(&queue, 1);
+		if (signal_pending(current)) {
+			printk(KERN_ERR
+			       "me4000_ai_reset():Wait on state machine after stop interrupted\n");
+			return -EINTR;
+		}
+	}
+
+	/* Clear the control register and set the stop bits */
+	spin_lock_irqsave(&ai_context->int_lock, flags);
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	me4000_outl(ME4000_AI_CTRL_BIT_IMMEDIATE_STOP | ME4000_AI_CTRL_BIT_STOP,
+		    ai_context->ctrl_reg);
+	spin_unlock_irqrestore(&ai_context->int_lock, flags);
+
+	/* Reset timer registers */
+	ai_context->chan_timer = 66;
+	ai_context->chan_pre_timer = 66;
+	ai_context->scan_timer_low = 0;
+	ai_context->scan_timer_high = 0;
+	ai_context->sample_counter = 0;
+	ai_context->sample_counter_reload = 0;
+
+	me4000_outl(65, ai_context->chan_timer_reg);
+	me4000_outl(65, ai_context->chan_pre_timer_reg);
+	me4000_outl(0, ai_context->scan_timer_low_reg);
+	me4000_outl(0, ai_context->scan_timer_high_reg);
+	me4000_outl(0, ai_context->scan_pre_timer_low_reg);
+	me4000_outl(0, ai_context->scan_pre_timer_high_reg);
+	me4000_outl(0, ai_context->sample_counter_reg);
+
+	ai_context->channel_list_count = 0;
+
+	/* Clear the circular buffer */
+	ai_context->circ_buf.head = 0;
+	ai_context->circ_buf.tail = 0;
+
+	return 0;
+}
+
+static int me4000_ai_ioctl_sing(struct inode *inode_p, struct file *file_p,
+				unsigned int service, unsigned long arg)
+{
+	me4000_ai_context_t *ai_context;
+
+	CALL_PDEBUG("me4000_ai_ioctl_sing() is executed\n");
+
+	ai_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		printk(KERN_ERR "me4000_ai_ioctl_sing():Wrong magic number\n");
+		return -ENOTTY;
+	}
+	if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) {
+		printk(KERN_ERR
+		       "me4000_ai_ioctl_sing():Service number to high\n");
+		return -ENOTTY;
+	}
+
+	switch (service) {
+	case ME4000_AI_SINGLE:
+		return me4000_ai_single((me4000_ai_single_t *) arg, ai_context);
+	case ME4000_AI_EX_TRIG_ENABLE:
+		return me4000_ai_ex_trig_enable(ai_context);
+	case ME4000_AI_EX_TRIG_DISABLE:
+		return me4000_ai_ex_trig_disable(ai_context);
+	case ME4000_AI_EX_TRIG_SETUP:
+		return me4000_ai_ex_trig_setup((me4000_ai_trigger_t *) arg,
+					       ai_context);
+	case ME4000_GET_USER_INFO:
+		return me4000_get_user_info((me4000_user_info_t *) arg,
+					    ai_context->board_info);
+	case ME4000_AI_OFFSET_ENABLE:
+		return me4000_ai_offset_enable(ai_context);
+	case ME4000_AI_OFFSET_DISABLE:
+		return me4000_ai_offset_disable(ai_context);
+	case ME4000_AI_FULLSCALE_ENABLE:
+		return me4000_ai_fullscale_enable(ai_context);
+	case ME4000_AI_FULLSCALE_DISABLE:
+		return me4000_ai_fullscale_disable(ai_context);
+	case ME4000_AI_EEPROM_READ:
+		return me4000_eeprom_read((me4000_eeprom_t *) arg, ai_context);
+	case ME4000_AI_EEPROM_WRITE:
+		return me4000_eeprom_write((me4000_eeprom_t *) arg, ai_context);
+	default:
+		printk(KERN_ERR
+		       "me4000_ai_ioctl_sing():Invalid service number\n");
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_ai_single(me4000_ai_single_t * arg,
+			    me4000_ai_context_t * ai_context)
+{
+	me4000_ai_single_t cmd;
+	int err;
+	u32 tmp;
+	wait_queue_head_t queue;
+	unsigned long jiffy;
+
+	CALL_PDEBUG("me4000_ai_single() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_single_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_single():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	/* Check range parameter */
+	switch (cmd.range) {
+	case ME4000_AI_LIST_RANGE_BIPOLAR_10:
+	case ME4000_AI_LIST_RANGE_BIPOLAR_2_5:
+	case ME4000_AI_LIST_RANGE_UNIPOLAR_10:
+	case ME4000_AI_LIST_RANGE_UNIPOLAR_2_5:
+		break;
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_single():Invalid range specified\n");
+		return -EINVAL;
+	}
+
+	/* Check mode and channel number */
+	switch (cmd.mode) {
+	case ME4000_AI_LIST_INPUT_SINGLE_ENDED:
+		if (cmd.channel >= ai_context->board_info->board_p->ai.count) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_single():Analog input is not available\n");
+			return -EINVAL;
+		}
+		break;
+	case ME4000_AI_LIST_INPUT_DIFFERENTIAL:
+		if (cmd.channel >=
+		    ai_context->board_info->board_p->ai.diff_count) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_single():Analog input is not available in differential mode\n");
+			return -EINVAL;
+		}
+		break;
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_single():Invalid mode specified\n");
+		return -EINVAL;
+	}
+
+	/* Clear channel list, data fifo and both stop bits */
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &=
+	    ~(ME4000_AI_CTRL_BIT_CHANNEL_FIFO | ME4000_AI_CTRL_BIT_DATA_FIFO |
+	      ME4000_AI_CTRL_BIT_STOP | ME4000_AI_CTRL_BIT_IMMEDIATE_STOP);
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	/* Enable channel list and data fifo */
+	tmp |= ME4000_AI_CTRL_BIT_CHANNEL_FIFO | ME4000_AI_CTRL_BIT_DATA_FIFO;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	/* Generate channel list entry */
+	me4000_outl(cmd.channel | cmd.range | cmd.
+		    mode | ME4000_AI_LIST_LAST_ENTRY,
+		    ai_context->channel_list_reg);
+
+	/* Set the timer to maximum */
+	me4000_outl(66, ai_context->chan_timer_reg);
+	me4000_outl(66, ai_context->chan_pre_timer_reg);
+
+	if (tmp & ME4000_AI_CTRL_BIT_EX_TRIG) {
+		jiffy = jiffies;
+		while (!
+		       (me4000_inl(ai_context->status_reg) &
+			ME4000_AI_STATUS_BIT_EF_DATA)) {
+			interruptible_sleep_on_timeout(&queue, 1);
+			if (signal_pending(current)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_single():Wait on start of state machine interrupted\n");
+				return -EINTR;
+			}
+			if (((jiffies - jiffy) > (cmd.timeout * HZ / USER_HZ)) && cmd.timeout) {	// 2.6 has diffrent definitions for HZ in user and kernel space
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_single():Timeout reached\n");
+				return -EIO;
+			}
+		}
+	} else {
+		/* Start conversion */
+		me4000_inl(ai_context->start_reg);
+
+		/* Wait until ready */
+		udelay(10);
+		if (!
+		    (me4000_inl(ai_context->status_reg) &
+		     ME4000_AI_STATUS_BIT_EF_DATA)) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_single():Value not available after wait\n");
+			return -EIO;
+		}
+	}
+
+	/* Read value from data fifo */
+	cmd.value = me4000_inl(ai_context->data_reg) & 0xFFFF;
+
+	/* Copy result back to user */
+	err = copy_to_user(arg, &cmd, sizeof(me4000_ai_single_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_single():Can't copy to user space\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static int me4000_ai_ioctl_sw(struct inode *inode_p, struct file *file_p,
+			      unsigned int service, unsigned long arg)
+{
+	me4000_ai_context_t *ai_context;
+
+	CALL_PDEBUG("me4000_ai_ioctl_sw() is executed\n");
+
+	ai_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		printk(KERN_ERR "me4000_ai_ioctl_sw():Wrong magic number\n");
+		return -ENOTTY;
+	}
+	if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) {
+		printk(KERN_ERR
+		       "me4000_ai_ioctl_sw():Service number to high\n");
+		return -ENOTTY;
+	}
+
+	switch (service) {
+	case ME4000_AI_SC_SETUP:
+		return me4000_ai_sc_setup((me4000_ai_sc_t *) arg, ai_context);
+	case ME4000_AI_CONFIG:
+		return me4000_ai_config((me4000_ai_config_t *) arg, ai_context);
+	case ME4000_AI_START:
+		return me4000_ai_start(ai_context);
+	case ME4000_AI_STOP:
+		return me4000_ai_stop(ai_context);
+	case ME4000_AI_IMMEDIATE_STOP:
+		return me4000_ai_immediate_stop(ai_context);
+	case ME4000_AI_FSM_STATE:
+		return me4000_ai_fsm_state((int *)arg, ai_context);
+	case ME4000_GET_USER_INFO:
+		return me4000_get_user_info((me4000_user_info_t *) arg,
+					    ai_context->board_info);
+	case ME4000_AI_EEPROM_READ:
+		return me4000_eeprom_read((me4000_eeprom_t *) arg, ai_context);
+	case ME4000_AI_EEPROM_WRITE:
+		return me4000_eeprom_write((me4000_eeprom_t *) arg, ai_context);
+	case ME4000_AI_GET_COUNT_BUFFER:
+		return me4000_ai_get_count_buffer((unsigned long *)arg,
+						  ai_context);
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_ioctl_sw():Invalid service number %d\n",
+		       service);
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_ai_ioctl_ext(struct inode *inode_p, struct file *file_p,
+			       unsigned int service, unsigned long arg)
+{
+	me4000_ai_context_t *ai_context;
+
+	CALL_PDEBUG("me4000_ai_ioctl_ext() is executed\n");
+
+	ai_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		printk(KERN_ERR "me4000_ai_ioctl_ext():Wrong magic number\n");
+		return -ENOTTY;
+	}
+	if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) {
+		printk(KERN_ERR
+		       "me4000_ai_ioctl_ext():Service number to high\n");
+		return -ENOTTY;
+	}
+
+	switch (service) {
+	case ME4000_AI_SC_SETUP:
+		return me4000_ai_sc_setup((me4000_ai_sc_t *) arg, ai_context);
+	case ME4000_AI_CONFIG:
+		return me4000_ai_config((me4000_ai_config_t *) arg, ai_context);
+	case ME4000_AI_START:
+		return me4000_ai_start_ex((unsigned long *)arg, ai_context);
+	case ME4000_AI_STOP:
+		return me4000_ai_stop(ai_context);
+	case ME4000_AI_IMMEDIATE_STOP:
+		return me4000_ai_immediate_stop(ai_context);
+	case ME4000_AI_EX_TRIG_ENABLE:
+		return me4000_ai_ex_trig_enable(ai_context);
+	case ME4000_AI_EX_TRIG_DISABLE:
+		return me4000_ai_ex_trig_disable(ai_context);
+	case ME4000_AI_EX_TRIG_SETUP:
+		return me4000_ai_ex_trig_setup((me4000_ai_trigger_t *) arg,
+					       ai_context);
+	case ME4000_AI_FSM_STATE:
+		return me4000_ai_fsm_state((int *)arg, ai_context);
+	case ME4000_GET_USER_INFO:
+		return me4000_get_user_info((me4000_user_info_t *) arg,
+					    ai_context->board_info);
+	case ME4000_AI_GET_COUNT_BUFFER:
+		return me4000_ai_get_count_buffer((unsigned long *)arg,
+						  ai_context);
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_ioctl_ext():Invalid service number %d\n",
+		       service);
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_ai_fasync(int fd, struct file *file_p, int mode)
+{
+	me4000_ai_context_t *ai_context;
+
+	CALL_PDEBUG("me4000_ao_fasync_cont() is executed\n");
+
+	ai_context = file_p->private_data;
+	return fasync_helper(fd, file_p, mode, &ai_context->fasync_p);
+}
+
+static int me4000_ai_config(me4000_ai_config_t * arg,
+			    me4000_ai_context_t * ai_context)
+{
+	me4000_ai_config_t cmd;
+	u32 *list = NULL;
+	u32 mode;
+	int i;
+	int err;
+	wait_queue_head_t queue;
+	u64 scan;
+	u32 tmp;
+
+	CALL_PDEBUG("me4000_ai_config() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	/* Check if conversion is stopped */
+	if (inl(ai_context->ctrl_reg) & ME4000_AI_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_config():Conversion is not stopped\n");
+		err = -EBUSY;
+		goto AI_CONFIG_ERR;
+	}
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_config_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_config():Can't copy from user space\n");
+		err = -EFAULT;
+		goto AI_CONFIG_ERR;
+	}
+
+	PDEBUG
+	    ("me4000_ai_config():chan = %ld, pre_chan = %ld, scan_low = %ld, scan_high = %ld, count = %ld\n",
+	     cmd.timer.chan, cmd.timer.pre_chan, cmd.timer.scan_low,
+	     cmd.timer.scan_high, cmd.channel_list.count);
+
+	/* Check whether sample and hold is available for this board */
+	if (cmd.sh) {
+		if (!ai_context->board_info->board_p->ai.sh_count) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_config():Sample and Hold is not available for this board\n");
+			err = -ENODEV;
+			goto AI_CONFIG_ERR;
+		}
+	}
+
+	/* Check the channel list size */
+	if (cmd.channel_list.count > ME4000_AI_CHANNEL_LIST_COUNT) {
+		printk(KERN_ERR
+		       "me4000_ai_config():Channel list is to large\n");
+		err = -EINVAL;
+		goto AI_CONFIG_ERR;
+	}
+
+	/* Copy channel list from user */
+	list = kmalloc(sizeof(u32) * cmd.channel_list.count, GFP_KERNEL);
+	if (!list) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_config():Can't get memory for channel list\n");
+		err = -ENOMEM;
+		goto AI_CONFIG_ERR;
+	}
+	err =
+	    copy_from_user(list, cmd.channel_list.list,
+			   sizeof(u32) * cmd.channel_list.count);
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_config():Can't copy from user space\n");
+		err = -EFAULT;
+		goto AI_CONFIG_ERR;
+	}
+
+	/* Check if last entry bit is set */
+	if (!(list[cmd.channel_list.count - 1] & ME4000_AI_LIST_LAST_ENTRY)) {
+		printk(KERN_WARNING
+		       "me4000_ai_config():Last entry bit is not set\n");
+		list[cmd.channel_list.count - 1] |= ME4000_AI_LIST_LAST_ENTRY;
+	}
+
+	/* Check whether mode is equal for all entries */
+	mode = list[0] & 0x20;
+	for (i = 0; i < cmd.channel_list.count; i++) {
+		if ((list[i] & 0x20) != mode) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_config():Mode is not equal for all entries\n");
+			err = -EINVAL;
+			goto AI_CONFIG_ERR;
+		}
+	}
+
+	/* Check whether channels are available for this mode */
+	if (mode == ME4000_AI_LIST_INPUT_SINGLE_ENDED) {
+		for (i = 0; i < cmd.channel_list.count; i++) {
+			if ((list[i] & 0x1F) >=
+			    ai_context->board_info->board_p->ai.count) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_config():Channel is not available for single ended\n");
+				err = -EINVAL;
+				goto AI_CONFIG_ERR;
+			}
+		}
+	} else if (mode == ME4000_AI_LIST_INPUT_DIFFERENTIAL) {
+		for (i = 0; i < cmd.channel_list.count; i++) {
+			if ((list[i] & 0x1F) >=
+			    ai_context->board_info->board_p->ai.diff_count) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_config():Channel is not available for differential\n");
+				err = -EINVAL;
+				goto AI_CONFIG_ERR;
+			}
+		}
+	}
+
+	/* Check if bipolar is set for all entries when in differential mode */
+	if (mode == ME4000_AI_LIST_INPUT_DIFFERENTIAL) {
+		for (i = 0; i < cmd.channel_list.count; i++) {
+			if ((list[i] & 0xC0) != ME4000_AI_LIST_RANGE_BIPOLAR_10
+			    && (list[i] & 0xC0) !=
+			    ME4000_AI_LIST_RANGE_BIPOLAR_2_5) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_config():Bipolar is not selected in differential mode\n");
+				err = -EINVAL;
+				goto AI_CONFIG_ERR;
+			}
+		}
+	}
+
+	if (ai_context->mode != ME4000_AI_ACQ_MODE_EXT_SINGLE_VALUE) {
+		/* Check for minimum channel divisor */
+		if (cmd.timer.chan < ME4000_AI_MIN_TICKS) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_config():Channel timer divisor is to low\n");
+			err = -EINVAL;
+			goto AI_CONFIG_ERR;
+		}
+
+		/* Check if minimum channel divisor is adjusted when sample and hold is activated */
+		if ((cmd.sh) && (cmd.timer.chan != ME4000_AI_MIN_TICKS)) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_config():Channel timer divisor must be at minimum when sample and hold is activated\n");
+			err = -EINVAL;
+			goto AI_CONFIG_ERR;
+		}
+
+		/* Check for minimum channel pre divisor */
+		if (cmd.timer.pre_chan < ME4000_AI_MIN_TICKS) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_config():Channel pre timer divisor is to low\n");
+			err = -EINVAL;
+			goto AI_CONFIG_ERR;
+		}
+
+		/* Write the channel timers */
+		me4000_outl(cmd.timer.chan - 1, ai_context->chan_timer_reg);
+		me4000_outl(cmd.timer.pre_chan - 1,
+			    ai_context->chan_pre_timer_reg);
+
+		/* Save the timer values in the board context */
+		ai_context->chan_timer = cmd.timer.chan;
+		ai_context->chan_pre_timer = cmd.timer.pre_chan;
+
+		if (ai_context->mode != ME4000_AI_ACQ_MODE_EXT_SINGLE_CHANLIST) {
+			/* Check for scan timer divisor */
+			scan =
+			    (u64) cmd.timer.scan_low | ((u64) cmd.timer.
+							scan_high << 32);
+			if (scan != 0) {
+				if (scan <
+				    cmd.channel_list.count * cmd.timer.chan +
+				    1) {
+					printk(KERN_ERR
+					       "ME4000:me4000_ai_config():Scan timer divisor is to low\n");
+					err = -EINVAL;
+					goto AI_CONFIG_ERR;
+				}
+			}
+
+			/* Write the scan timers */
+			if (scan != 0) {
+				scan--;
+				tmp = (u32) (scan & 0xFFFFFFFF);
+				me4000_outl(tmp,
+					    ai_context->scan_timer_low_reg);
+				tmp = (u32) ((scan >> 32) & 0xFFFFFFFF);
+				me4000_outl(tmp,
+					    ai_context->scan_timer_high_reg);
+
+				scan =
+				    scan - (cmd.timer.chan - 1) +
+				    (cmd.timer.pre_chan - 1);
+				tmp = (u32) (scan & 0xFFFFFFFF);
+				me4000_outl(tmp,
+					    ai_context->scan_pre_timer_low_reg);
+				tmp = (u32) ((scan >> 32) & 0xFFFFFFFF);
+				me4000_outl(tmp,
+					    ai_context->
+					    scan_pre_timer_high_reg);
+			} else {
+				me4000_outl(0x0,
+					    ai_context->scan_timer_low_reg);
+				me4000_outl(0x0,
+					    ai_context->scan_timer_high_reg);
+
+				me4000_outl(0x0,
+					    ai_context->scan_pre_timer_low_reg);
+				me4000_outl(0x0,
+					    ai_context->
+					    scan_pre_timer_high_reg);
+			}
+
+			ai_context->scan_timer_low = cmd.timer.scan_low;
+			ai_context->scan_timer_high = cmd.timer.scan_high;
+		}
+	}
+
+	/* Clear the channel list */
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &= ~ME4000_AI_CTRL_BIT_CHANNEL_FIFO;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+	tmp |= ME4000_AI_CTRL_BIT_CHANNEL_FIFO;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	/* Write the channel list */
+	for (i = 0; i < cmd.channel_list.count; i++) {
+		me4000_outl(list[i], ai_context->channel_list_reg);
+	}
+
+	/* Setup sample and hold */
+	if (cmd.sh) {
+		tmp |= ME4000_AI_CTRL_BIT_SAMPLE_HOLD;
+		me4000_outl(tmp, ai_context->ctrl_reg);
+	} else {
+		tmp &= ~ME4000_AI_CTRL_BIT_SAMPLE_HOLD;
+		me4000_outl(tmp, ai_context->ctrl_reg);
+	}
+
+	/* Save the channel list size in the board context */
+	ai_context->channel_list_count = cmd.channel_list.count;
+
+	kfree(list);
+
+	return 0;
+
+      AI_CONFIG_ERR:
+
+	/* Reset the timers */
+	ai_context->chan_timer = 66;
+	ai_context->chan_pre_timer = 66;
+	ai_context->scan_timer_low = 0;
+	ai_context->scan_timer_high = 0;
+
+	me4000_outl(65, ai_context->chan_timer_reg);
+	me4000_outl(65, ai_context->chan_pre_timer_reg);
+	me4000_outl(0, ai_context->scan_timer_high_reg);
+	me4000_outl(0, ai_context->scan_timer_low_reg);
+	me4000_outl(0, ai_context->scan_pre_timer_high_reg);
+	me4000_outl(0, ai_context->scan_pre_timer_low_reg);
+
+	ai_context->channel_list_count = 0;
+
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &=
+	    ~(ME4000_AI_CTRL_BIT_CHANNEL_FIFO | ME4000_AI_CTRL_BIT_SAMPLE_HOLD);
+
+	if (list)
+		kfree(list);
+
+	return err;
+
+}
+
+static int ai_common_start(me4000_ai_context_t * ai_context)
+{
+	u32 tmp;
+	CALL_PDEBUG("ai_common_start() is executed\n");
+
+	tmp = me4000_inl(ai_context->ctrl_reg);
+
+	/* Check if conversion is stopped */
+	if (tmp & ME4000_AI_STATUS_BIT_FSM) {
+		printk(KERN_ERR
+		       "ME4000:ai_common_start():Conversion is not stopped\n");
+		return -EBUSY;
+	}
+
+	/* Clear data fifo, disable all interrupts, clear sample counter reload */
+	tmp &= ~(ME4000_AI_CTRL_BIT_DATA_FIFO | ME4000_AI_CTRL_BIT_LE_IRQ |
+		 ME4000_AI_CTRL_BIT_HF_IRQ | ME4000_AI_CTRL_BIT_SC_IRQ |
+		 ME4000_AI_CTRL_BIT_SC_RELOAD);
+
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	/* Clear circular buffer */
+	ai_context->circ_buf.head = 0;
+	ai_context->circ_buf.tail = 0;
+
+	/* Enable data fifo */
+	tmp |= ME4000_AI_CTRL_BIT_DATA_FIFO;
+
+	/* Determine interrupt setup */
+	if (ai_context->sample_counter && !ai_context->sample_counter_reload) {
+		/* Enable Half Full Interrupt and Sample Counter Interrupt */
+		tmp |= ME4000_AI_CTRL_BIT_SC_IRQ | ME4000_AI_CTRL_BIT_HF_IRQ;
+	} else if (ai_context->sample_counter
+		   && ai_context->sample_counter_reload) {
+		if (ai_context->sample_counter <= ME4000_AI_FIFO_COUNT / 2) {
+			/* Enable only Sample Counter Interrupt */
+			tmp |=
+			    ME4000_AI_CTRL_BIT_SC_IRQ |
+			    ME4000_AI_CTRL_BIT_SC_RELOAD;
+		} else {
+			/* Enable Half Full Interrupt and Sample Counter Interrupt */
+			tmp |=
+			    ME4000_AI_CTRL_BIT_SC_IRQ |
+			    ME4000_AI_CTRL_BIT_HF_IRQ |
+			    ME4000_AI_CTRL_BIT_SC_RELOAD;
+		}
+	} else {
+		/* Enable only Half Full Interrupt */
+		tmp |= ME4000_AI_CTRL_BIT_HF_IRQ;
+	}
+
+	/* Clear the stop bits */
+	tmp &= ~(ME4000_AI_CTRL_BIT_STOP | ME4000_AI_CTRL_BIT_IMMEDIATE_STOP);
+
+	/* Write setup to hardware */
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	/* Write sample counter */
+	me4000_outl(ai_context->sample_counter, ai_context->sample_counter_reg);
+
+	return 0;
+}
+
+static int me4000_ai_start(me4000_ai_context_t * ai_context)
+{
+	int err;
+	CALL_PDEBUG("me4000_ai_start() is executed\n");
+
+	/* Prepare Hardware */
+	err = ai_common_start(ai_context);
+	if (err)
+		return err;
+
+	/* Start conversion by dummy read */
+	me4000_inl(ai_context->start_reg);
+
+	return 0;
+}
+
+static int me4000_ai_start_ex(unsigned long *arg,
+			      me4000_ai_context_t * ai_context)
+{
+	int err;
+	wait_queue_head_t queue;
+	unsigned long ref;
+	unsigned long timeout;
+
+	CALL_PDEBUG("me4000_ai_start_ex() is executed\n");
+
+	if (get_user(timeout, arg)) {
+		printk(KERN_ERR
+		       "me4000_ai_start_ex():Cannot copy data from user\n");
+		return -EFAULT;
+	}
+
+	init_waitqueue_head(&queue);
+
+	/* Prepare Hardware */
+	err = ai_common_start(ai_context);
+	if (err)
+		return err;
+
+	if (timeout) {
+		ref = jiffies;
+		while (!
+		       (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM))
+		{
+			interruptible_sleep_on_timeout(&queue, 1);
+			if (signal_pending(current)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_start_ex():Wait on start of state machine interrupted\n");
+				return -EINTR;
+			}
+			if (((jiffies - ref) > (timeout * HZ / USER_HZ))) {	// 2.6 has diffrent definitions for HZ in user and kernel space
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_start_ex():Timeout reached\n");
+				return -EIO;
+			}
+		}
+	} else {
+		while (!
+		       (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM))
+		{
+			interruptible_sleep_on_timeout(&queue, 1);
+			if (signal_pending(current)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_start_ex():Wait on start of state machine interrupted\n");
+				return -EINTR;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static int me4000_ai_stop(me4000_ai_context_t * ai_context)
+{
+	wait_queue_head_t queue;
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ai_stop() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	/* Disable irqs and clear data fifo */
+	spin_lock_irqsave(&ai_context->int_lock, flags);
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &=
+	    ~(ME4000_AI_CTRL_BIT_HF_IRQ | ME4000_AI_CTRL_BIT_SC_IRQ |
+	      ME4000_AI_CTRL_BIT_DATA_FIFO);
+	/* Stop conversion of the state machine */
+	tmp |= ME4000_AI_CTRL_BIT_STOP;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+	spin_unlock_irqrestore(&ai_context->int_lock, flags);
+
+	/* Clear circular buffer */
+	ai_context->circ_buf.head = 0;
+	ai_context->circ_buf.tail = 0;
+
+	while (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) {
+		interruptible_sleep_on_timeout(&queue, 1);
+		if (signal_pending(current)) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_stop():Wait on state machine after stop interrupted\n");
+			return -EINTR;
+		}
+	}
+
+	return 0;
+}
+
+static int me4000_ai_immediate_stop(me4000_ai_context_t * ai_context)
+{
+	wait_queue_head_t queue;
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ai_stop() is executed\n");
+
+	init_waitqueue_head(&queue);
+
+	/* Disable irqs and clear data fifo */
+	spin_lock_irqsave(&ai_context->int_lock, flags);
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &=
+	    ~(ME4000_AI_CTRL_BIT_HF_IRQ | ME4000_AI_CTRL_BIT_SC_IRQ |
+	      ME4000_AI_CTRL_BIT_DATA_FIFO);
+	/* Stop conversion of the state machine */
+	tmp |= ME4000_AI_CTRL_BIT_IMMEDIATE_STOP;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+	spin_unlock_irqrestore(&ai_context->int_lock, flags);
+
+	/* Clear circular buffer */
+	ai_context->circ_buf.head = 0;
+	ai_context->circ_buf.tail = 0;
+
+	while (inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) {
+		interruptible_sleep_on_timeout(&queue, 1);
+		if (signal_pending(current)) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_stop():Wait on state machine after stop interrupted\n");
+			return -EINTR;
+		}
+	}
+
+	return 0;
+}
+
+static int me4000_ai_ex_trig_enable(me4000_ai_context_t * ai_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ai_ex_trig_enable() is executed\n");
+
+	spin_lock_irqsave(&ai_context->int_lock, flags);
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp |= ME4000_AI_CTRL_BIT_EX_TRIG;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+	spin_unlock_irqrestore(&ai_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ai_ex_trig_disable(me4000_ai_context_t * ai_context)
+{
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ai_ex_trig_disable() is executed\n");
+
+	spin_lock_irqsave(&ai_context->int_lock, flags);
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &= ~ME4000_AI_CTRL_BIT_EX_TRIG;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+	spin_unlock_irqrestore(&ai_context->int_lock, flags);
+
+	return 0;
+}
+
+static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t * arg,
+				   me4000_ai_context_t * ai_context)
+{
+	me4000_ai_trigger_t cmd;
+	int err;
+	u32 tmp;
+	unsigned long flags;
+
+	CALL_PDEBUG("me4000_ai_ex_trig_setup() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_trigger_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_ex_trig_setup():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	spin_lock_irqsave(&ai_context->int_lock, flags);
+	tmp = me4000_inl(ai_context->ctrl_reg);
+
+	if (cmd.mode == ME4000_AI_TRIGGER_EXT_DIGITAL) {
+		tmp &= ~ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG;
+	} else if (cmd.mode == ME4000_AI_TRIGGER_EXT_ANALOG) {
+		if (!ai_context->board_info->board_p->ai.ex_trig_analog) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_ex_trig_setup():No analog trigger available\n");
+			return -EINVAL;
+		}
+		tmp |= ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG;
+	} else {
+		spin_unlock_irqrestore(&ai_context->int_lock, flags);
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_ex_trig_setup():Invalid trigger mode specified\n");
+		return -EINVAL;
+	}
+
+	if (cmd.edge == ME4000_AI_TRIGGER_EXT_EDGE_RISING) {
+		tmp &=
+		    ~(ME4000_AI_CTRL_BIT_EX_TRIG_BOTH |
+		      ME4000_AI_CTRL_BIT_EX_TRIG_FALLING);
+	} else if (cmd.edge == ME4000_AI_TRIGGER_EXT_EDGE_FALLING) {
+		tmp |= ME4000_AI_CTRL_BIT_EX_TRIG_FALLING;
+		tmp &= ~ME4000_AI_CTRL_BIT_EX_TRIG_BOTH;
+	} else if (cmd.edge == ME4000_AI_TRIGGER_EXT_EDGE_BOTH) {
+		tmp |=
+		    ME4000_AI_CTRL_BIT_EX_TRIG_BOTH |
+		    ME4000_AI_CTRL_BIT_EX_TRIG_FALLING;
+	} else {
+		spin_unlock_irqrestore(&ai_context->int_lock, flags);
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_ex_trig_setup():Invalid trigger edge specified\n");
+		return -EINVAL;
+	}
+
+	me4000_outl(tmp, ai_context->ctrl_reg);
+	spin_unlock_irqrestore(&ai_context->int_lock, flags);
+	return 0;
+}
+
+static int me4000_ai_sc_setup(me4000_ai_sc_t * arg,
+			      me4000_ai_context_t * ai_context)
+{
+	me4000_ai_sc_t cmd;
+	int err;
+
+	CALL_PDEBUG("me4000_ai_sc_setup() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_sc_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_sc_setup():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	ai_context->sample_counter = cmd.value;
+	ai_context->sample_counter_reload = cmd.reload;
+
+	return 0;
+}
+
+static ssize_t me4000_ai_read(struct file *filep, char *buff, size_t cnt,
+			      loff_t * offp)
+{
+	me4000_ai_context_t *ai_context = filep->private_data;
+	s16 *buffer = (s16 *) buff;
+	size_t count = cnt / 2;
+	unsigned long flags;
+	int tmp;
+	int c = 0;
+	int k = 0;
+	int ret = 0;
+	wait_queue_t wait;
+
+	CALL_PDEBUG("me4000_ai_read() is executed\n");
+
+	init_waitqueue_entry(&wait, current);
+
+	/* Check count */
+	if (count <= 0) {
+		PDEBUG("me4000_ai_read():Count is 0\n");
+		return 0;
+	}
+
+	while (count > 0) {
+		if (filep->f_flags & O_NONBLOCK) {
+			c = me4000_values_to_end(ai_context->circ_buf,
+						 ME4000_AI_BUFFER_COUNT);
+			if (!c) {
+				PDEBUG
+				    ("me4000_ai_read():Returning from nonblocking read\n");
+				break;
+			}
+		} else {
+			/* Check if conversion is still running */
+			if (!
+			    (me4000_inl(ai_context->status_reg) &
+			     ME4000_AI_STATUS_BIT_FSM)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_read():Conversion interrupted\n");
+				return -EPIPE;
+			}
+
+			wait_event_interruptible(ai_context->wait_queue,
+						 (me4000_values_to_end
+						  (ai_context->circ_buf,
+						   ME4000_AI_BUFFER_COUNT)));
+			if (signal_pending(current)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_ai_read():Wait on values interrupted from signal\n");
+				return -EINTR;
+			}
+		}
+
+		/* Only read count values or as much as available */
+		c = me4000_values_to_end(ai_context->circ_buf,
+					 ME4000_AI_BUFFER_COUNT);
+		PDEBUG("me4000_ai_read():%d values to end\n", c);
+		if (count < c)
+			c = count;
+
+		PDEBUG("me4000_ai_read():Copy %d values to user space\n", c);
+		k = 2 * c;
+		k -= copy_to_user(buffer,
+				  ai_context->circ_buf.buf +
+				  ai_context->circ_buf.tail, k);
+		c = k / 2;
+		if (!c) {
+			printk(KERN_ERR
+			       "ME4000:me4000_ai_read():Cannot copy new values to user\n");
+			return -EFAULT;
+		}
+
+		ai_context->circ_buf.tail =
+		    (ai_context->circ_buf.tail + c) & (ME4000_AI_BUFFER_COUNT -
+						       1);
+		buffer += c;
+		count -= c;
+		ret += c;
+
+		spin_lock_irqsave(&ai_context->int_lock, flags);
+		if (me4000_buf_space
+		    (ai_context->circ_buf, ME4000_AI_BUFFER_COUNT)) {
+			tmp = me4000_inl(ai_context->ctrl_reg);
+
+			/* Determine interrupt setup */
+			if (ai_context->sample_counter
+			    && !ai_context->sample_counter_reload) {
+				/* Enable Half Full Interrupt and Sample Counter Interrupt */
+				tmp |=
+				    ME4000_AI_CTRL_BIT_SC_IRQ |
+				    ME4000_AI_CTRL_BIT_HF_IRQ;
+			} else if (ai_context->sample_counter
+				   && ai_context->sample_counter_reload) {
+				if (ai_context->sample_counter <
+				    ME4000_AI_FIFO_COUNT / 2) {
+					/* Enable only Sample Counter Interrupt */
+					tmp |= ME4000_AI_CTRL_BIT_SC_IRQ;
+				} else {
+					/* Enable Half Full Interrupt and Sample Counter Interrupt */
+					tmp |=
+					    ME4000_AI_CTRL_BIT_SC_IRQ |
+					    ME4000_AI_CTRL_BIT_HF_IRQ;
+				}
+			} else {
+				/* Enable only Half Full Interrupt */
+				tmp |= ME4000_AI_CTRL_BIT_HF_IRQ;
+			}
+
+			me4000_outl(tmp, ai_context->ctrl_reg);
+		}
+		spin_unlock_irqrestore(&ai_context->int_lock, flags);
+	}
+
+	/* Check if conversion is still running */
+	if (!(me4000_inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM)) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_read():Conversion not running after complete read\n");
+		return -EPIPE;
+	}
+
+	if (filep->f_flags & O_NONBLOCK) {
+		return (k == 0) ? -EAGAIN : 2 * ret;
+	}
+
+	CALL_PDEBUG("me4000_ai_read() is leaved\n");
+	return ret * 2;
+}
+
+static unsigned int me4000_ai_poll(struct file *file_p, poll_table * wait)
+{
+	me4000_ai_context_t *ai_context;
+	unsigned long mask = 0;
+
+	CALL_PDEBUG("me4000_ai_poll() is executed\n");
+
+	ai_context = file_p->private_data;
+
+	/* Register wait queue */
+	poll_wait(file_p, &ai_context->wait_queue, wait);
+
+	/* Get available values */
+	if (me4000_values_to_end(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT))
+		mask |= POLLIN | POLLRDNORM;
+
+	PDEBUG("me4000_ai_poll():Return mask %lX\n", mask);
+
+	return mask;
+}
+
+static int me4000_ai_offset_enable(me4000_ai_context_t * ai_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ai_offset_enable() is executed\n");
+
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp |= ME4000_AI_CTRL_BIT_OFFSET;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ai_offset_disable(me4000_ai_context_t * ai_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ai_offset_disable() is executed\n");
+
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &= ~ME4000_AI_CTRL_BIT_OFFSET;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ai_fullscale_enable(me4000_ai_context_t * ai_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ai_fullscale_enable() is executed\n");
+
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp |= ME4000_AI_CTRL_BIT_FULLSCALE;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ai_fullscale_disable(me4000_ai_context_t * ai_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ai_fullscale_disable() is executed\n");
+
+	tmp = me4000_inl(ai_context->ctrl_reg);
+	tmp &= ~ME4000_AI_CTRL_BIT_FULLSCALE;
+	me4000_outl(tmp, ai_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ai_fsm_state(int *arg, me4000_ai_context_t * ai_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ai_fsm_state() is executed\n");
+
+	tmp =
+	    (me4000_inl(ai_context->status_reg) & ME4000_AI_STATUS_BIT_FSM) ? 1
+	    : 0;
+
+	if (put_user(tmp, arg)) {
+		printk(KERN_ERR "me4000_ai_fsm_state():Cannot copy to user\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static int me4000_ai_get_count_buffer(unsigned long *arg,
+				      me4000_ai_context_t * ai_context)
+{
+	unsigned long c;
+	int err;
+
+	c = me4000_buf_count(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT);
+
+	err = copy_to_user(arg, &c, sizeof(unsigned long));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_ai_get_count_buffer():Can't copy to user space\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+/*---------------------------------- EEPROM stuff ---------------------------*/
+
+static int eeprom_write_cmd(me4000_ai_context_t * ai_context, unsigned long cmd,
+			    int length)
+{
+	int i;
+	unsigned long value;
+
+	CALL_PDEBUG("eeprom_write_cmd() is executed\n");
+
+	PDEBUG("eeprom_write_cmd():Write command 0x%08lX with length = %d\n",
+	       cmd, length);
+
+	/* Get the ICR register and clear the related bits */
+	value = me4000_inl(ai_context->board_info->plx_regbase + PLX_ICR);
+	value &= ~(PLX_ICR_MASK_EEPROM);
+	me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR);
+
+	/* Raise the chip select */
+	value |= PLX_ICR_BIT_EEPROM_CHIP_SELECT;
+	me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR);
+	udelay(EEPROM_DELAY);
+
+	for (i = 0; i < length; i++) {
+		if (cmd & ((0x1 << (length - 1)) >> i)) {
+			value |= PLX_ICR_BIT_EEPROM_WRITE;
+		} else {
+			value &= ~PLX_ICR_BIT_EEPROM_WRITE;
+		}
+
+		/* Write to EEPROM */
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+
+		/* Raising edge of the clock */
+		value |= PLX_ICR_BIT_EEPROM_CLOCK_SET;
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+
+		/* Falling edge of the clock */
+		value &= ~PLX_ICR_BIT_EEPROM_CLOCK_SET;
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+	}
+
+	/* Clear the chip select */
+	value &= ~PLX_ICR_BIT_EEPROM_CHIP_SELECT;
+	me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR);
+	udelay(EEPROM_DELAY);
+
+	/* Wait until hardware is ready for sure */
+	mdelay(10);
+
+	return 0;
+}
+
+static unsigned short eeprom_read_cmd(me4000_ai_context_t * ai_context,
+				      unsigned long cmd, int length)
+{
+	int i;
+	unsigned long value;
+	unsigned short id = 0;
+
+	CALL_PDEBUG("eeprom_read_cmd() is executed\n");
+
+	PDEBUG("eeprom_read_cmd():Read command 0x%08lX with length = %d\n", cmd,
+	       length);
+
+	/* Get the ICR register and clear the related bits */
+	value = me4000_inl(ai_context->board_info->plx_regbase + PLX_ICR);
+	value &= ~(PLX_ICR_MASK_EEPROM);
+
+	me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR);
+
+	/* Raise the chip select */
+	value |= PLX_ICR_BIT_EEPROM_CHIP_SELECT;
+	me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR);
+	udelay(EEPROM_DELAY);
+
+	/* Write the read command to the eeprom */
+	for (i = 0; i < length; i++) {
+		if (cmd & ((0x1 << (length - 1)) >> i)) {
+			value |= PLX_ICR_BIT_EEPROM_WRITE;
+		} else {
+			value &= ~PLX_ICR_BIT_EEPROM_WRITE;
+		}
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+
+		/* Raising edge of the clock */
+		value |= PLX_ICR_BIT_EEPROM_CLOCK_SET;
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+
+		/* Falling edge of the clock */
+		value &= ~PLX_ICR_BIT_EEPROM_CLOCK_SET;
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+	}
+
+	/* Read the value from the eeprom */
+	for (i = 0; i < 16; i++) {
+		/* Raising edge of the clock */
+		value |= PLX_ICR_BIT_EEPROM_CLOCK_SET;
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+
+		if (me4000_inl(ai_context->board_info->plx_regbase + PLX_ICR) &
+		    PLX_ICR_BIT_EEPROM_READ) {
+			id |= (0x8000 >> i);
+			PDEBUG("eeprom_read_cmd():OR with 0x%04X\n",
+			       (0x8000 >> i));
+		} else {
+			PDEBUG("eeprom_read_cmd():Dont't OR\n");
+		}
+
+		/* Falling edge of the clock */
+		value &= ~PLX_ICR_BIT_EEPROM_CLOCK_SET;
+		me4000_outl(value,
+			    ai_context->board_info->plx_regbase + PLX_ICR);
+		udelay(EEPROM_DELAY);
+	}
+
+	/* Clear the chip select */
+	value &= ~PLX_ICR_BIT_EEPROM_CHIP_SELECT;
+	me4000_outl(value, ai_context->board_info->plx_regbase + PLX_ICR);
+	udelay(EEPROM_DELAY);
+
+	return id;
+}
+
+static int me4000_eeprom_write(me4000_eeprom_t * arg,
+			       me4000_ai_context_t * ai_context)
+{
+	int err;
+	me4000_eeprom_t setup;
+	unsigned long cmd;
+	unsigned long date_high;
+	unsigned long date_low;
+
+	CALL_PDEBUG("me4000_eeprom_write() is executed\n");
+
+	err = copy_from_user(&setup, arg, sizeof(setup));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_eeprom_write():Cannot copy from user\n");
+		return err;
+	}
+
+	/* Enable writing */
+	eeprom_write_cmd(ai_context, ME4000_EEPROM_CMD_WRITE_ENABLE,
+			 ME4000_EEPROM_CMD_LENGTH_WRITE_ENABLE);
+
+	/* Command for date */
+	date_high = (setup.date & 0xFFFF0000) >> 16;
+	date_low = (setup.date & 0x0000FFFF);
+
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_DATE_HIGH <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     date_high);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_DATE_LOW <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     date_low);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for unipolar 10V offset */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_UNI_OFFSET <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     uni_10_offset);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for unipolar 10V fullscale */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_UNI_FULLSCALE <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     uni_10_fullscale);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for unipolar 2,5V offset */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_UNI_OFFSET <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     uni_2_5_offset);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for unipolar 2,5V fullscale */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_UNI_FULLSCALE <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     uni_2_5_fullscale);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for bipolar 10V offset */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_BI_OFFSET <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     bi_10_offset);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for bipolar 10V fullscale */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_BI_FULLSCALE <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     bi_10_fullscale);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for bipolar 2,5V offset */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_BI_OFFSET <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     bi_2_5_offset);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for bipolar 2,5V fullscale */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_BI_FULLSCALE <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     bi_2_5_fullscale);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for differential 10V offset */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_DIFF_OFFSET <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     diff_10_offset);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for differential 10V fullscale */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_1_DIFF_FULLSCALE
+				       << ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+									(unsigned
+									 long)
+									setup.
+									diff_10_fullscale);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for differential 2,5V offset */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_DIFF_OFFSET <<
+				       ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+								     (unsigned
+								      long)
+								     setup.
+								     diff_2_5_offset);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Command for differential 2,5V fullscale */
+	cmd =
+	    ME4000_EEPROM_CMD_WRITE | (ME4000_EEPROM_ADR_GAIN_4_DIFF_FULLSCALE
+				       << ME4000_EEPROM_DATA_LENGTH) | (0xFFFF &
+									(unsigned
+									 long)
+									setup.
+									diff_2_5_fullscale);
+	err = eeprom_write_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_WRITE);
+	if (err)
+		return err;
+
+	/* Disable writing */
+	eeprom_write_cmd(ai_context, ME4000_EEPROM_CMD_WRITE_DISABLE,
+			 ME4000_EEPROM_CMD_LENGTH_WRITE_DISABLE);
+
+	return 0;
+}
+
+static int me4000_eeprom_read(me4000_eeprom_t * arg,
+			      me4000_ai_context_t * ai_context)
+{
+	int err;
+	unsigned long cmd;
+	me4000_eeprom_t setup;
+
+	CALL_PDEBUG("me4000_eeprom_read() is executed\n");
+
+	/* Command for date */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_DATE_HIGH;
+	setup.date =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+	setup.date <<= 16;
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_DATE_LOW;
+	setup.date |=
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for unipolar 10V offset */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_UNI_OFFSET;
+	setup.uni_10_offset =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for unipolar 10V fullscale */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_UNI_FULLSCALE;
+	setup.uni_10_fullscale =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for unipolar 2,5V offset */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_UNI_OFFSET;
+	setup.uni_2_5_offset =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for unipolar 2,5V fullscale */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_UNI_FULLSCALE;
+	setup.uni_2_5_fullscale =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for bipolar 10V offset */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_BI_OFFSET;
+	setup.bi_10_offset =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for bipolar 10V fullscale */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_BI_FULLSCALE;
+	setup.bi_10_fullscale =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for bipolar 2,5V offset */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_BI_OFFSET;
+	setup.bi_2_5_offset =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for bipolar 2,5V fullscale */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_BI_FULLSCALE;
+	setup.bi_2_5_fullscale =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for differntial 10V offset */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_DIFF_OFFSET;
+	setup.diff_10_offset =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for differential 10V fullscale */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_1_DIFF_FULLSCALE;
+	setup.diff_10_fullscale =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for differntial 2,5V offset */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_DIFF_OFFSET;
+	setup.diff_2_5_offset =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	/* Command for differential 2,5V fullscale */
+	cmd = ME4000_EEPROM_CMD_READ | ME4000_EEPROM_ADR_GAIN_4_DIFF_FULLSCALE;
+	setup.diff_2_5_fullscale =
+	    eeprom_read_cmd(ai_context, cmd, ME4000_EEPROM_CMD_LENGTH_READ);
+
+	err = copy_to_user(arg, &setup, sizeof(setup));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_eeprom_read():Cannot copy to user\n");
+		return err;
+	}
+
+	return 0;
+}
+
+/*------------------------------------ DIO stuff ----------------------------------------------*/
+
+static int me4000_dio_ioctl(struct inode *inode_p, struct file *file_p,
+			    unsigned int service, unsigned long arg)
+{
+	me4000_dio_context_t *dio_context;
+
+	CALL_PDEBUG("me4000_dio_ioctl() is executed\n");
+
+	dio_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		printk(KERN_ERR "me4000_dio_ioctl():Wrong magic number\n");
+		return -ENOTTY;
+	}
+	if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) {
+		printk(KERN_ERR "me4000_dio_ioctl():Service number to high\n");
+		return -ENOTTY;
+	}
+
+	switch (service) {
+	case ME4000_DIO_CONFIG:
+		return me4000_dio_config((me4000_dio_config_t *) arg,
+					 dio_context);
+	case ME4000_DIO_SET_BYTE:
+		return me4000_dio_set_byte((me4000_dio_byte_t *) arg,
+					   dio_context);
+	case ME4000_DIO_GET_BYTE:
+		return me4000_dio_get_byte((me4000_dio_byte_t *) arg,
+					   dio_context);
+	case ME4000_DIO_RESET:
+		return me4000_dio_reset(dio_context);
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_ioctl():Invalid service number %d\n",
+		       service);
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_dio_config(me4000_dio_config_t * arg,
+			     me4000_dio_context_t * dio_context)
+{
+	me4000_dio_config_t cmd;
+	u32 tmp;
+	int err;
+
+	CALL_PDEBUG("me4000_dio_config() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_dio_config_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_config():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	/* Check port parameter */
+	if (cmd.port >= dio_context->dio_count) {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_config():Port %d is not available\n",
+		       cmd.port);
+		return -EINVAL;
+	}
+
+	PDEBUG("me4000_dio_config(): port %d, mode %d, function %d\n", cmd.port,
+	       cmd.mode, cmd.function);
+
+	if (cmd.port == ME4000_DIO_PORT_A) {
+		if (cmd.mode == ME4000_DIO_PORT_INPUT) {
+			/* Check if opto isolated version */
+			if (!(me4000_inl(dio_context->dir_reg) & 0x1)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_dio_config():Cannot set to input on opto isolated versions\n");
+				return -EIO;
+			}
+
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_0 |
+			      ME4000_DIO_CTRL_BIT_MODE_1);
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_0 |
+			      ME4000_DIO_CTRL_BIT_MODE_1);
+			tmp |= ME4000_DIO_CTRL_BIT_MODE_0;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_LOW) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_0 |
+			      ME4000_DIO_CTRL_BIT_MODE_1 |
+			      ME4000_DIO_CTRL_BIT_FIFO_HIGH_0);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_0 |
+			    ME4000_DIO_CTRL_BIT_MODE_1;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_HIGH) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_0 |
+			    ME4000_DIO_CTRL_BIT_MODE_1 |
+			    ME4000_DIO_CTRL_BIT_FIFO_HIGH_0;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_config():Mode %d is not available\n",
+			       cmd.mode);
+			return -EINVAL;
+		}
+	} else if (cmd.port == ME4000_DIO_PORT_B) {
+		if (cmd.mode == ME4000_DIO_PORT_INPUT) {
+			/* Only do anything when TTL version is installed */
+			if ((me4000_inl(dio_context->dir_reg) & 0x1)) {
+				tmp = me4000_inl(dio_context->ctrl_reg);
+				tmp &=
+				    ~(ME4000_DIO_CTRL_BIT_MODE_2 |
+				      ME4000_DIO_CTRL_BIT_MODE_3);
+				me4000_outl(tmp, dio_context->ctrl_reg);
+			}
+		} else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) {
+			/* Check if opto isolated version */
+			if (!(me4000_inl(dio_context->dir_reg) & 0x1)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_dio_config():Cannot set to output on opto isolated versions\n");
+				return -EIO;
+			}
+
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_2 |
+			      ME4000_DIO_CTRL_BIT_MODE_3);
+			tmp |= ME4000_DIO_CTRL_BIT_MODE_2;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_LOW) {
+			/* Check if opto isolated version */
+			if (!(me4000_inl(dio_context->dir_reg) & 0x1)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_dio_config():Cannot set to FIFO low output on opto isolated versions\n");
+				return -EIO;
+			}
+
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_2 |
+			      ME4000_DIO_CTRL_BIT_MODE_3 |
+			      ME4000_DIO_CTRL_BIT_FIFO_HIGH_1);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_2 |
+			    ME4000_DIO_CTRL_BIT_MODE_3;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_HIGH) {
+			/* Check if opto isolated version */
+			if (!(me4000_inl(dio_context->dir_reg) & 0x1)) {
+				printk(KERN_ERR
+				       "ME4000:me4000_dio_config():Cannot set to FIFO high output on opto isolated versions\n");
+				return -EIO;
+			}
+
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_2 |
+			    ME4000_DIO_CTRL_BIT_MODE_3 |
+			    ME4000_DIO_CTRL_BIT_FIFO_HIGH_1;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_config():Mode %d is not available\n",
+			       cmd.mode);
+			return -EINVAL;
+		}
+	} else if (cmd.port == ME4000_DIO_PORT_C) {
+		if (cmd.mode == ME4000_DIO_PORT_INPUT) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_4 |
+			      ME4000_DIO_CTRL_BIT_MODE_5);
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_4 |
+			      ME4000_DIO_CTRL_BIT_MODE_5);
+			tmp |= ME4000_DIO_CTRL_BIT_MODE_4;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_LOW) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_4 |
+			      ME4000_DIO_CTRL_BIT_MODE_5 |
+			      ME4000_DIO_CTRL_BIT_FIFO_HIGH_2);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_4 |
+			    ME4000_DIO_CTRL_BIT_MODE_5;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_HIGH) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_4 |
+			    ME4000_DIO_CTRL_BIT_MODE_5 |
+			    ME4000_DIO_CTRL_BIT_FIFO_HIGH_2;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_config():Mode %d is not available\n",
+			       cmd.mode);
+			return -EINVAL;
+		}
+	} else if (cmd.port == ME4000_DIO_PORT_D) {
+		if (cmd.mode == ME4000_DIO_PORT_INPUT) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_6 |
+			      ME4000_DIO_CTRL_BIT_MODE_7);
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_PORT_OUTPUT) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_6 |
+			      ME4000_DIO_CTRL_BIT_MODE_7);
+			tmp |= ME4000_DIO_CTRL_BIT_MODE_6;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_LOW) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp &=
+			    ~(ME4000_DIO_CTRL_BIT_MODE_6 |
+			      ME4000_DIO_CTRL_BIT_MODE_7 |
+			      ME4000_DIO_CTRL_BIT_FIFO_HIGH_3);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_6 |
+			    ME4000_DIO_CTRL_BIT_MODE_7;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.mode == ME4000_DIO_FIFO_HIGH) {
+			tmp = me4000_inl(dio_context->ctrl_reg);
+			tmp |=
+			    ME4000_DIO_CTRL_BIT_MODE_6 |
+			    ME4000_DIO_CTRL_BIT_MODE_7 |
+			    ME4000_DIO_CTRL_BIT_FIFO_HIGH_3;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_config():Mode %d is not available\n",
+			       cmd.mode);
+			return -EINVAL;
+		}
+	} else {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_config():Port %d is not available\n",
+		       cmd.port);
+		return -EINVAL;
+	}
+
+	PDEBUG("me4000_dio_config(): port %d, mode %d, function %d\n", cmd.port,
+	       cmd.mode, cmd.function);
+
+	if ((cmd.mode == ME4000_DIO_FIFO_HIGH)
+	    || (cmd.mode == ME4000_DIO_FIFO_LOW)) {
+		tmp = me4000_inl(dio_context->ctrl_reg);
+		tmp &=
+		    ~(ME4000_DIO_CTRL_BIT_FUNCTION_0 |
+		      ME4000_DIO_CTRL_BIT_FUNCTION_1);
+		if (cmd.function == ME4000_DIO_FUNCTION_PATTERN) {
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.function == ME4000_DIO_FUNCTION_DEMUX) {
+			tmp |= ME4000_DIO_CTRL_BIT_FUNCTION_0;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else if (cmd.function == ME4000_DIO_FUNCTION_MUX) {
+			tmp |= ME4000_DIO_CTRL_BIT_FUNCTION_1;
+			me4000_outl(tmp, dio_context->ctrl_reg);
+		} else {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_config():Invalid port function specified\n");
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int me4000_dio_set_byte(me4000_dio_byte_t * arg,
+			       me4000_dio_context_t * dio_context)
+{
+	me4000_dio_byte_t cmd;
+	int err;
+
+	CALL_PDEBUG("me4000_dio_set_byte() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_dio_byte_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_set_byte():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	/* Check port parameter */
+	if (cmd.port >= dio_context->dio_count) {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_set_byte():Port %d is not available\n",
+		       cmd.port);
+		return -EINVAL;
+	}
+
+	if (cmd.port == ME4000_DIO_PORT_A) {
+		if ((me4000_inl(dio_context->ctrl_reg) & 0x3) != 0x1) {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n",
+			       cmd.port);
+			return -EIO;
+		}
+		me4000_outl(cmd.byte, dio_context->port_0_reg);
+	} else if (cmd.port == ME4000_DIO_PORT_B) {
+		if ((me4000_inl(dio_context->ctrl_reg) & 0xC) != 0x4) {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n",
+			       cmd.port);
+			return -EIO;
+		}
+		me4000_outl(cmd.byte, dio_context->port_1_reg);
+	} else if (cmd.port == ME4000_DIO_PORT_C) {
+		if ((me4000_inl(dio_context->ctrl_reg) & 0x30) != 0x10) {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n",
+			       cmd.port);
+			return -EIO;
+		}
+		me4000_outl(cmd.byte, dio_context->port_2_reg);
+	} else if (cmd.port == ME4000_DIO_PORT_D) {
+		if ((me4000_inl(dio_context->ctrl_reg) & 0xC0) != 0x40) {
+			printk(KERN_ERR
+			       "ME4000:me4000_dio_set_byte():Port %d is not in output mode\n",
+			       cmd.port);
+			return -EIO;
+		}
+		me4000_outl(cmd.byte, dio_context->port_3_reg);
+	} else {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_set_byte():Port %d is not available\n",
+		       cmd.port);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int me4000_dio_get_byte(me4000_dio_byte_t * arg,
+			       me4000_dio_context_t * dio_context)
+{
+	me4000_dio_byte_t cmd;
+	int err;
+
+	CALL_PDEBUG("me4000_dio_get_byte() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_dio_byte_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_get_byte():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	/* Check port parameter */
+	if (cmd.port >= dio_context->dio_count) {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_get_byte():Port %d is not available\n",
+		       cmd.port);
+		return -EINVAL;
+	}
+
+	if (cmd.port == ME4000_DIO_PORT_A) {
+		cmd.byte = me4000_inl(dio_context->port_0_reg) & 0xFF;
+	} else if (cmd.port == ME4000_DIO_PORT_B) {
+		cmd.byte = me4000_inl(dio_context->port_1_reg) & 0xFF;
+	} else if (cmd.port == ME4000_DIO_PORT_C) {
+		cmd.byte = me4000_inl(dio_context->port_2_reg) & 0xFF;
+	} else if (cmd.port == ME4000_DIO_PORT_D) {
+		cmd.byte = me4000_inl(dio_context->port_3_reg) & 0xFF;
+	} else {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_get_byte():Port %d is not available\n",
+		       cmd.port);
+		return -EINVAL;
+	}
+
+	/* Copy result back to user */
+	err = copy_to_user(arg, &cmd, sizeof(me4000_dio_byte_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_get_byte():Can't copy to user space\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static int me4000_dio_reset(me4000_dio_context_t * dio_context)
+{
+	CALL_PDEBUG("me4000_dio_reset() is executed\n");
+
+	/* Clear the control register */
+	me4000_outl(0, dio_context->ctrl_reg);
+
+	/* Check for opto isolated version */
+	if (!(me4000_inl(dio_context->dir_reg) & 0x1)) {
+		me4000_outl(0x1, dio_context->ctrl_reg);
+		me4000_outl(0x0, dio_context->port_0_reg);
+	}
+
+	return 0;
+}
+
+/*------------------------------------ COUNTER STUFF ------------------------------------*/
+
+static int me4000_cnt_ioctl(struct inode *inode_p, struct file *file_p,
+			    unsigned int service, unsigned long arg)
+{
+	me4000_cnt_context_t *cnt_context;
+
+	CALL_PDEBUG("me4000_cnt_ioctl() is executed\n");
+
+	cnt_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		printk(KERN_ERR "me4000_dio_ioctl():Wrong magic number\n");
+		return -ENOTTY;
+	}
+	if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) {
+		printk(KERN_ERR "me4000_dio_ioctl():Service number to high\n");
+		return -ENOTTY;
+	}
+
+	switch (service) {
+	case ME4000_CNT_READ:
+		return me4000_cnt_read((me4000_cnt_t *) arg, cnt_context);
+	case ME4000_CNT_WRITE:
+		return me4000_cnt_write((me4000_cnt_t *) arg, cnt_context);
+	case ME4000_CNT_CONFIG:
+		return me4000_cnt_config((me4000_cnt_config_t *) arg,
+					 cnt_context);
+	case ME4000_CNT_RESET:
+		return me4000_cnt_reset(cnt_context);
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_dio_ioctl():Invalid service number %d\n",
+		       service);
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_cnt_config(me4000_cnt_config_t * arg,
+			     me4000_cnt_context_t * cnt_context)
+{
+	me4000_cnt_config_t cmd;
+	u8 counter;
+	u8 mode;
+	int err;
+
+	CALL_PDEBUG("me4000_cnt_config() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_config_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_config():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	/* Check counter parameter */
+	switch (cmd.counter) {
+	case ME4000_CNT_COUNTER_0:
+		counter = ME4000_CNT_CTRL_BIT_COUNTER_0;
+		break;
+	case ME4000_CNT_COUNTER_1:
+		counter = ME4000_CNT_CTRL_BIT_COUNTER_1;
+		break;
+	case ME4000_CNT_COUNTER_2:
+		counter = ME4000_CNT_CTRL_BIT_COUNTER_2;
+		break;
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_config():Counter %d is not available\n",
+		       cmd.counter);
+		return -EINVAL;
+	}
+
+	/* Check mode parameter */
+	switch (cmd.mode) {
+	case ME4000_CNT_MODE_0:
+		mode = ME4000_CNT_CTRL_BIT_MODE_0;
+		break;
+	case ME4000_CNT_MODE_1:
+		mode = ME4000_CNT_CTRL_BIT_MODE_1;
+		break;
+	case ME4000_CNT_MODE_2:
+		mode = ME4000_CNT_CTRL_BIT_MODE_2;
+		break;
+	case ME4000_CNT_MODE_3:
+		mode = ME4000_CNT_CTRL_BIT_MODE_3;
+		break;
+	case ME4000_CNT_MODE_4:
+		mode = ME4000_CNT_CTRL_BIT_MODE_4;
+		break;
+	case ME4000_CNT_MODE_5:
+		mode = ME4000_CNT_CTRL_BIT_MODE_5;
+		break;
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_config():Mode %d is not available\n",
+		       cmd.mode);
+		return -EINVAL;
+	}
+
+	/* Write the control word */
+	me4000_outb((counter | mode | 0x30), cnt_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_cnt_read(me4000_cnt_t * arg,
+			   me4000_cnt_context_t * cnt_context)
+{
+	me4000_cnt_t cmd;
+	u8 tmp;
+	int err;
+
+	CALL_PDEBUG("me4000_cnt_read() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_read():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	/* Read counter */
+	switch (cmd.counter) {
+	case ME4000_CNT_COUNTER_0:
+		tmp = me4000_inb(cnt_context->counter_0_reg);
+		cmd.value = tmp;
+		tmp = me4000_inb(cnt_context->counter_0_reg);
+		cmd.value |= ((u16) tmp) << 8;
+		break;
+	case ME4000_CNT_COUNTER_1:
+		tmp = me4000_inb(cnt_context->counter_1_reg);
+		cmd.value = tmp;
+		tmp = me4000_inb(cnt_context->counter_1_reg);
+		cmd.value |= ((u16) tmp) << 8;
+		break;
+	case ME4000_CNT_COUNTER_2:
+		tmp = me4000_inb(cnt_context->counter_2_reg);
+		cmd.value = tmp;
+		tmp = me4000_inb(cnt_context->counter_2_reg);
+		cmd.value |= ((u16) tmp) << 8;
+		break;
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_read():Counter %d is not available\n",
+		       cmd.counter);
+		return -EINVAL;
+	}
+
+	/* Copy result back to user */
+	err = copy_to_user(arg, &cmd, sizeof(me4000_cnt_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_read():Can't copy to user space\n");
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+static int me4000_cnt_write(me4000_cnt_t * arg,
+			    me4000_cnt_context_t * cnt_context)
+{
+	me4000_cnt_t cmd;
+	u8 tmp;
+	int err;
+
+	CALL_PDEBUG("me4000_cnt_write() is executed\n");
+
+	/* Copy data from user */
+	err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_t));
+	if (err) {
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_write():Can't copy from user space\n");
+		return -EFAULT;
+	}
+
+	/* Write counter */
+	switch (cmd.counter) {
+	case ME4000_CNT_COUNTER_0:
+		tmp = cmd.value & 0xFF;
+		me4000_outb(tmp, cnt_context->counter_0_reg);
+		tmp = (cmd.value >> 8) & 0xFF;
+		me4000_outb(tmp, cnt_context->counter_0_reg);
+		break;
+	case ME4000_CNT_COUNTER_1:
+		tmp = cmd.value & 0xFF;
+		me4000_outb(tmp, cnt_context->counter_1_reg);
+		tmp = (cmd.value >> 8) & 0xFF;
+		me4000_outb(tmp, cnt_context->counter_1_reg);
+		break;
+	case ME4000_CNT_COUNTER_2:
+		tmp = cmd.value & 0xFF;
+		me4000_outb(tmp, cnt_context->counter_2_reg);
+		tmp = (cmd.value >> 8) & 0xFF;
+		me4000_outb(tmp, cnt_context->counter_2_reg);
+		break;
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_cnt_write():Counter %d is not available\n",
+		       cmd.counter);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int me4000_cnt_reset(me4000_cnt_context_t * cnt_context)
+{
+	CALL_PDEBUG("me4000_cnt_reset() is executed\n");
+
+	/* Set the mode and value for counter 0 */
+	me4000_outb(0x30, cnt_context->ctrl_reg);
+	me4000_outb(0x00, cnt_context->counter_0_reg);
+	me4000_outb(0x00, cnt_context->counter_0_reg);
+
+	/* Set the mode and value for counter 1 */
+	me4000_outb(0x70, cnt_context->ctrl_reg);
+	me4000_outb(0x00, cnt_context->counter_1_reg);
+	me4000_outb(0x00, cnt_context->counter_1_reg);
+
+	/* Set the mode and value for counter 2 */
+	me4000_outb(0xB0, cnt_context->ctrl_reg);
+	me4000_outb(0x00, cnt_context->counter_2_reg);
+	me4000_outb(0x00, cnt_context->counter_2_reg);
+
+	return 0;
+}
+
+/*------------------------------------ External Interrupt stuff ------------------------------------*/
+
+static int me4000_ext_int_ioctl(struct inode *inode_p, struct file *file_p,
+				unsigned int service, unsigned long arg)
+{
+	me4000_ext_int_context_t *ext_int_context;
+
+	CALL_PDEBUG("me4000_ext_int_ioctl() is executed\n");
+
+	ext_int_context = file_p->private_data;
+
+	if (_IOC_TYPE(service) != ME4000_MAGIC) {
+		printk(KERN_ERR "me4000_ext_int_ioctl():Wrong magic number\n");
+		return -ENOTTY;
+	}
+	if (_IOC_NR(service) > ME4000_IOCTL_MAXNR) {
+		printk(KERN_ERR
+		       "me4000_ext_int_ioctl():Service number to high\n");
+		return -ENOTTY;
+	}
+
+	switch (service) {
+	case ME4000_EXT_INT_ENABLE:
+		return me4000_ext_int_enable(ext_int_context);
+	case ME4000_EXT_INT_DISABLE:
+		return me4000_ext_int_disable(ext_int_context);
+	case ME4000_EXT_INT_COUNT:
+		return me4000_ext_int_count((unsigned long *)arg,
+					    ext_int_context);
+	default:
+		printk(KERN_ERR
+		       "ME4000:me4000_ext_int_ioctl():Invalid service number %d\n",
+		       service);
+		return -ENOTTY;
+	}
+	return 0;
+}
+
+static int me4000_ext_int_enable(me4000_ext_int_context_t * ext_int_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ext_int_enable() is executed\n");
+
+	tmp = me4000_inl(ext_int_context->ctrl_reg);
+	tmp |= ME4000_AI_CTRL_BIT_EX_IRQ;
+	me4000_outl(tmp, ext_int_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ext_int_disable(me4000_ext_int_context_t * ext_int_context)
+{
+	unsigned long tmp;
+
+	CALL_PDEBUG("me4000_ext_int_disable() is executed\n");
+
+	tmp = me4000_inl(ext_int_context->ctrl_reg);
+	tmp &= ~ME4000_AI_CTRL_BIT_EX_IRQ;
+	me4000_outl(tmp, ext_int_context->ctrl_reg);
+
+	return 0;
+}
+
+static int me4000_ext_int_count(unsigned long *arg,
+				me4000_ext_int_context_t * ext_int_context)
+{
+
+	CALL_PDEBUG("me4000_ext_int_count() is executed\n");
+
+	put_user(ext_int_context->int_count, arg);
+	return 0;
+}
+
+/*------------------------------------ General stuff ------------------------------------*/
+
+static int me4000_get_user_info(me4000_user_info_t * arg,
+				me4000_info_t * board_info)
+{
+	me4000_user_info_t user_info;
+
+	CALL_PDEBUG("me4000_get_user_info() is executed\n");
+
+	user_info.board_count = board_info->board_count;
+	user_info.plx_regbase = board_info->plx_regbase;
+	user_info.plx_regbase_size = board_info->plx_regbase_size;
+	user_info.me4000_regbase = board_info->me4000_regbase;
+	user_info.me4000_regbase_size = board_info->me4000_regbase_size;
+	user_info.serial_no = board_info->serial_no;
+	user_info.hw_revision = board_info->hw_revision;
+	user_info.vendor_id = board_info->vendor_id;
+	user_info.device_id = board_info->device_id;
+	user_info.pci_bus_no = board_info->pci_bus_no;
+	user_info.pci_dev_no = board_info->pci_dev_no;
+	user_info.pci_func_no = board_info->pci_func_no;
+	user_info.irq = board_info->irq;
+	user_info.irq_count = board_info->irq_count;
+	user_info.driver_version = ME4000_DRIVER_VERSION;
+	user_info.ao_count = board_info->board_p->ao.count;
+	user_info.ao_fifo_count = board_info->board_p->ao.fifo_count;
+
+	user_info.ai_count = board_info->board_p->ai.count;
+	user_info.ai_sh_count = board_info->board_p->ai.sh_count;
+	user_info.ai_ex_trig_analog = board_info->board_p->ai.ex_trig_analog;
+
+	user_info.dio_count = board_info->board_p->dio.count;
+
+	user_info.cnt_count = board_info->board_p->cnt.count;
+
+	if (copy_to_user(arg, &user_info, sizeof(me4000_user_info_t)))
+		return -EFAULT;
+
+	return 0;
+}
+
+/*------------------------------------ ISR STUFF ------------------------------------*/
+
+static int me4000_ext_int_fasync(int fd, struct file *file_ptr, int mode)
+{
+	int result = 0;
+	me4000_ext_int_context_t *ext_int_context;
+
+	CALL_PDEBUG("me4000_ext_int_fasync() is executed\n");
+
+	ext_int_context = file_ptr->private_data;
+
+	result =
+	    fasync_helper(fd, file_ptr, mode, &ext_int_context->fasync_ptr);
+
+	CALL_PDEBUG("me4000_ext_int_fasync() is leaved\n");
+	return result;
+}
+
+static irqreturn_t me4000_ao_isr(int irq, void *dev_id)
+{
+	u32 tmp;
+	u32 value;
+	me4000_ao_context_t *ao_context;
+	int i;
+	int c = 0;
+	int c1 = 0;
+	//unsigned long before;
+	//unsigned long after;
+
+	ISR_PDEBUG("me4000_ao_isr() is executed\n");
+
+	ao_context = dev_id;
+
+	/* Check if irq number is right */
+	if (irq != ao_context->irq) {
+		ISR_PDEBUG("me4000_ao_isr():incorrect interrupt num: %d\n",
+			   irq);
+		return IRQ_NONE;
+	}
+
+	/* Check if this DAC rised an interrupt */
+	if (!
+	    ((0x1 << (ao_context->index + 3)) &
+	     me4000_inl(ao_context->irq_status_reg))) {
+		ISR_PDEBUG("me4000_ao_isr():Not this DAC\n");
+		return IRQ_NONE;
+	}
+
+	/* Read status register to find out what happened */
+	tmp = me4000_inl(ao_context->status_reg);
+
+	if (!(tmp & ME4000_AO_STATUS_BIT_EF) && (tmp & ME4000_AO_STATUS_BIT_HF)
+	    && (tmp & ME4000_AO_STATUS_BIT_HF)) {
+		c = ME4000_AO_FIFO_COUNT;
+		ISR_PDEBUG("me4000_ao_isr():Fifo empty\n");
+	} else if ((tmp & ME4000_AO_STATUS_BIT_EF)
+		   && (tmp & ME4000_AO_STATUS_BIT_HF)
+		   && (tmp & ME4000_AO_STATUS_BIT_HF)) {
+		c = ME4000_AO_FIFO_COUNT / 2;
+		ISR_PDEBUG("me4000_ao_isr():Fifo under half full\n");
+	} else {
+		c = 0;
+		ISR_PDEBUG("me4000_ao_isr():Fifo full\n");
+	}
+
+	ISR_PDEBUG("me4000_ao_isr():Try to write 0x%04X values\n", c);
+
+	while (1) {
+		c1 = me4000_values_to_end(ao_context->circ_buf,
+					  ME4000_AO_BUFFER_COUNT);
+		ISR_PDEBUG("me4000_ao_isr():Values to end = %d\n", c1);
+		if (c1 > c)
+			c1 = c;
+
+		if (c1 <= 0) {
+			ISR_PDEBUG
+			    ("me4000_ao_isr():Work done or buffer empty\n");
+			break;
+		}
+		//rdtscl(before);
+		if (((ao_context->fifo_reg & 0xFF) == ME4000_AO_01_FIFO_REG) ||
+		    ((ao_context->fifo_reg & 0xFF) == ME4000_AO_03_FIFO_REG)) {
+			for (i = 0; i < c1; i++) {
+				value =
+				    ((u32)
+				     (*
+				      (ao_context->circ_buf.buf +
+				       ao_context->circ_buf.tail + i))) << 16;
+				outl(value, ao_context->fifo_reg);
+			}
+		} else
+			outsw(ao_context->fifo_reg,
+			      ao_context->circ_buf.buf +
+			      ao_context->circ_buf.tail, c1);
+
+		//rdtscl(after);
+		//printk(KERN_ERR"ME4000:me4000_ao_isr():Time lapse = %lu\n", after - before);
+
+		ao_context->circ_buf.tail =
+		    (ao_context->circ_buf.tail + c1) & (ME4000_AO_BUFFER_COUNT -
+							1);
+		ISR_PDEBUG("me4000_ao_isr():%d values wrote to port 0x%04X\n",
+			   c1, ao_context->fifo_reg);
+		c -= c1;
+	}
+
+	/* If there are no values left in the buffer, disable interrupts */
+	spin_lock(&ao_context->int_lock);
+	if (!me4000_buf_count(ao_context->circ_buf, ME4000_AO_BUFFER_COUNT)) {
+		ISR_PDEBUG
+		    ("me4000_ao_isr():Disable Interrupt because no values left in buffer\n");
+		tmp = me4000_inl(ao_context->ctrl_reg);
+		tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_IRQ;
+		me4000_outl(tmp, ao_context->ctrl_reg);
+	}
+	spin_unlock(&ao_context->int_lock);
+
+	/* Reset the interrupt */
+	spin_lock(&ao_context->int_lock);
+	tmp = me4000_inl(ao_context->ctrl_reg);
+	tmp |= ME4000_AO_CTRL_BIT_RESET_IRQ;
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	tmp &= ~ME4000_AO_CTRL_BIT_RESET_IRQ;
+	me4000_outl(tmp, ao_context->ctrl_reg);
+
+	/* If state machine is stopped, flow was interrupted */
+	if (!(me4000_inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM)) {
+		printk(KERN_ERR "ME4000:me4000_ao_isr():Broken pipe\n");
+		ao_context->pipe_flag = 1;	// Set flag in order to inform write routine
+		tmp &= ~ME4000_AO_CTRL_BIT_ENABLE_IRQ;	// Disable interrupt
+	}
+	me4000_outl(tmp, ao_context->ctrl_reg);
+	spin_unlock(&ao_context->int_lock);
+
+	/* Wake up waiting process */
+	wake_up_interruptible(&(ao_context->wait_queue));
+
+	/* Count the interrupt */
+	ao_context->board_info->irq_count++;
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
+{
+	u32 tmp;
+	me4000_ai_context_t *ai_context;
+	int i;
+	int c = 0;
+	int c1 = 0;
+#ifdef ME4000_ISR_DEBUG
+	unsigned long before;
+	unsigned long after;
+#endif
+
+	ISR_PDEBUG("me4000_ai_isr() is executed\n");
+
+#ifdef ME4000_ISR_DEBUG
+	rdtscl(before);
+#endif
+
+	ai_context = dev_id;
+
+	/* Check if irq number is right */
+	if (irq != ai_context->irq) {
+		ISR_PDEBUG("me4000_ai_isr():incorrect interrupt num: %d\n",
+			   irq);
+		return IRQ_NONE;
+	}
+
+	if (me4000_inl(ai_context->irq_status_reg) &
+	    ME4000_IRQ_STATUS_BIT_AI_HF) {
+		ISR_PDEBUG
+		    ("me4000_ai_isr():Fifo half full interrupt occured\n");
+
+		/* Read status register to find out what happened */
+		tmp = me4000_inl(ai_context->ctrl_reg);
+
+		if (!(tmp & ME4000_AI_STATUS_BIT_FF_DATA) &&
+		    !(tmp & ME4000_AI_STATUS_BIT_HF_DATA)
+		    && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) {
+			ISR_PDEBUG("me4000_ai_isr():Fifo full\n");
+			c = ME4000_AI_FIFO_COUNT;
+
+			/* FIFO overflow, so stop conversion and disable all interrupts */
+			spin_lock(&ai_context->int_lock);
+			tmp = me4000_inl(ai_context->ctrl_reg);
+			tmp |= ME4000_AI_CTRL_BIT_IMMEDIATE_STOP;
+			tmp &=
+			    ~(ME4000_AI_CTRL_BIT_HF_IRQ |
+			      ME4000_AI_CTRL_BIT_SC_IRQ);
+			outl(tmp, ai_context->ctrl_reg);
+			spin_unlock(&ai_context->int_lock);
+		} else if ((tmp & ME4000_AI_STATUS_BIT_FF_DATA) &&
+			   !(tmp & ME4000_AI_STATUS_BIT_HF_DATA)
+			   && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) {
+			ISR_PDEBUG("me4000_ai_isr():Fifo half full\n");
+			c = ME4000_AI_FIFO_COUNT / 2;
+		} else {
+			c = 0;
+			ISR_PDEBUG
+			    ("me4000_ai_isr():Can't determine state of fifo\n");
+		}
+
+		ISR_PDEBUG("me4000_ai_isr():Try to read %d values\n", c);
+
+		while (1) {
+			c1 = me4000_space_to_end(ai_context->circ_buf,
+						 ME4000_AI_BUFFER_COUNT);
+			ISR_PDEBUG("me4000_ai_isr():Space to end = %d\n", c1);
+			if (c1 > c)
+				c1 = c;
+
+			if (c1 <= 0) {
+				ISR_PDEBUG
+				    ("me4000_ai_isr():Work done or buffer full\n");
+				break;
+			}
+
+			insw(ai_context->data_reg,
+			     ai_context->circ_buf.buf +
+			     ai_context->circ_buf.head, c1);
+			ai_context->circ_buf.head =
+			    (ai_context->circ_buf.head +
+			     c1) & (ME4000_AI_BUFFER_COUNT - 1);
+			c -= c1;
+		}
+
+		/* Work is done, so reset the interrupt */
+		ISR_PDEBUG
+		    ("me4000_ai_isr():reset interrupt fifo half full interrupt\n");
+		spin_lock(&ai_context->int_lock);
+		tmp = me4000_inl(ai_context->ctrl_reg);
+		tmp |= ME4000_AI_CTRL_BIT_HF_IRQ_RESET;
+		me4000_outl(tmp, ai_context->ctrl_reg);
+		tmp &= ~ME4000_AI_CTRL_BIT_HF_IRQ_RESET;
+		me4000_outl(tmp, ai_context->ctrl_reg);
+		spin_unlock(&ai_context->int_lock);
+	}
+
+	if (me4000_inl(ai_context->irq_status_reg) & ME4000_IRQ_STATUS_BIT_SC) {
+		ISR_PDEBUG
+		    ("me4000_ai_isr():Sample counter interrupt occured\n");
+
+		if (!ai_context->sample_counter_reload) {
+			ISR_PDEBUG
+			    ("me4000_ai_isr():Single data block available\n");
+
+			/* Poll data until fifo empty */
+			for (i = 0;
+			     (i < ME4000_AI_FIFO_COUNT / 2)
+			     && (inl(ai_context->ctrl_reg) &
+				 ME4000_AI_STATUS_BIT_EF_DATA); i++) {
+				if (me4000_space_to_end
+				    (ai_context->circ_buf,
+				     ME4000_AI_BUFFER_COUNT)) {
+					*(ai_context->circ_buf.buf +
+					  ai_context->circ_buf.head) =
+		 inw(ai_context->data_reg);
+					ai_context->circ_buf.head =
+					    (ai_context->circ_buf.head +
+					     1) & (ME4000_AI_BUFFER_COUNT - 1);
+				} else
+					break;
+			}
+			ISR_PDEBUG("me4000_ai_isr():%d values read\n", i);
+		} else {
+			if (ai_context->sample_counter <=
+			    ME4000_AI_FIFO_COUNT / 2) {
+				ISR_PDEBUG
+				    ("me4000_ai_isr():Interrupt from adjustable half full threshold\n");
+
+				/* Read status register to find out what happened */
+				tmp = me4000_inl(ai_context->ctrl_reg);
+
+				if (!(tmp & ME4000_AI_STATUS_BIT_FF_DATA) &&
+				    !(tmp & ME4000_AI_STATUS_BIT_HF_DATA)
+				    && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) {
+					ISR_PDEBUG
+					    ("me4000_ai_isr():Fifo full\n");
+					c = ME4000_AI_FIFO_COUNT;
+
+					/* FIFO overflow, so stop conversion */
+					spin_lock(&ai_context->int_lock);
+					tmp = me4000_inl(ai_context->ctrl_reg);
+					tmp |=
+					    ME4000_AI_CTRL_BIT_IMMEDIATE_STOP;
+					outl(tmp, ai_context->ctrl_reg);
+					spin_unlock(&ai_context->int_lock);
+				} else if ((tmp & ME4000_AI_STATUS_BIT_FF_DATA)
+					   && !(tmp &
+						ME4000_AI_STATUS_BIT_HF_DATA)
+					   && (tmp &
+					       ME4000_AI_STATUS_BIT_EF_DATA)) {
+					ISR_PDEBUG
+					    ("me4000_ai_isr():Fifo half full\n");
+					c = ME4000_AI_FIFO_COUNT / 2;
+				} else {
+					c = ai_context->sample_counter;
+					ISR_PDEBUG
+					    ("me4000_ai_isr():Sample count values\n");
+				}
+
+				ISR_PDEBUG
+				    ("me4000_ai_isr():Try to read %d values\n",
+				     c);
+
+				while (1) {
+					c1 = me4000_space_to_end(ai_context->
+								 circ_buf,
+								 ME4000_AI_BUFFER_COUNT);
+					ISR_PDEBUG
+					    ("me4000_ai_isr():Space to end = %d\n",
+					     c1);
+					if (c1 > c)
+						c1 = c;
+
+					if (c1 <= 0) {
+						ISR_PDEBUG
+						    ("me4000_ai_isr():Work done or buffer full\n");
+						break;
+					}
+
+					insw(ai_context->data_reg,
+					     ai_context->circ_buf.buf +
+					     ai_context->circ_buf.head, c1);
+					ai_context->circ_buf.head =
+					    (ai_context->circ_buf.head +
+					     c1) & (ME4000_AI_BUFFER_COUNT - 1);
+					c -= c1;
+				}
+			} else {
+				ISR_PDEBUG
+				    ("me4000_ai_isr():Multiple data block available\n");
+
+				/* Read status register to find out what happened */
+				tmp = me4000_inl(ai_context->ctrl_reg);
+
+				if (!(tmp & ME4000_AI_STATUS_BIT_FF_DATA) &&
+				    !(tmp & ME4000_AI_STATUS_BIT_HF_DATA)
+				    && (tmp & ME4000_AI_STATUS_BIT_EF_DATA)) {
+					ISR_PDEBUG
+					    ("me4000_ai_isr():Fifo full\n");
+					c = ME4000_AI_FIFO_COUNT;
+
+					/* FIFO overflow, so stop conversion */
+					spin_lock(&ai_context->int_lock);
+					tmp = me4000_inl(ai_context->ctrl_reg);
+					tmp |=
+					    ME4000_AI_CTRL_BIT_IMMEDIATE_STOP;
+					outl(tmp, ai_context->ctrl_reg);
+					spin_unlock(&ai_context->int_lock);
+
+					while (1) {
+						c1 = me4000_space_to_end
+						    (ai_context->circ_buf,
+						     ME4000_AI_BUFFER_COUNT);
+						ISR_PDEBUG
+						    ("me4000_ai_isr():Space to end = %d\n",
+						     c1);
+						if (c1 > c)
+							c1 = c;
+
+						if (c1 <= 0) {
+							ISR_PDEBUG
+							    ("me4000_ai_isr():Work done or buffer full\n");
+							break;
+						}
+
+						insw(ai_context->data_reg,
+						     ai_context->circ_buf.buf +
+						     ai_context->circ_buf.head,
+						     c1);
+						ai_context->circ_buf.head =
+						    (ai_context->circ_buf.head +
+						     c1) &
+						    (ME4000_AI_BUFFER_COUNT -
+						     1);
+						c -= c1;
+					}
+				} else if ((tmp & ME4000_AI_STATUS_BIT_FF_DATA)
+					   && !(tmp &
+						ME4000_AI_STATUS_BIT_HF_DATA)
+					   && (tmp &
+					       ME4000_AI_STATUS_BIT_EF_DATA)) {
+					ISR_PDEBUG
+					    ("me4000_ai_isr():Fifo half full\n");
+					c = ME4000_AI_FIFO_COUNT / 2;
+
+					while (1) {
+						c1 = me4000_space_to_end
+						    (ai_context->circ_buf,
+						     ME4000_AI_BUFFER_COUNT);
+						ISR_PDEBUG
+						    ("me4000_ai_isr():Space to end = %d\n",
+						     c1);
+						if (c1 > c)
+							c1 = c;
+
+						if (c1 <= 0) {
+							ISR_PDEBUG
+							    ("me4000_ai_isr():Work done or buffer full\n");
+							break;
+						}
+
+						insw(ai_context->data_reg,
+						     ai_context->circ_buf.buf +
+						     ai_context->circ_buf.head,
+						     c1);
+						ai_context->circ_buf.head =
+						    (ai_context->circ_buf.head +
+						     c1) &
+						    (ME4000_AI_BUFFER_COUNT -
+						     1);
+						c -= c1;
+					}
+				} else {
+					/* Poll data until fifo empty */
+					for (i = 0;
+					     (i < ME4000_AI_FIFO_COUNT / 2)
+					     && (inl(ai_context->ctrl_reg) &
+						 ME4000_AI_STATUS_BIT_EF_DATA);
+					     i++) {
+						if (me4000_space_to_end
+						    (ai_context->circ_buf,
+						     ME4000_AI_BUFFER_COUNT)) {
+							*(ai_context->circ_buf.
+							  buf +
+							  ai_context->circ_buf.
+							  head) =
+				       inw(ai_context->data_reg);
+							ai_context->circ_buf.
+							    head =
+							    (ai_context->
+							     circ_buf.head +
+							     1) &
+							    (ME4000_AI_BUFFER_COUNT
+							     - 1);
+						} else
+							break;
+					}
+					ISR_PDEBUG
+					    ("me4000_ai_isr():%d values read\n",
+					     i);
+				}
+			}
+		}
+
+		/* Work is done, so reset the interrupt */
+		ISR_PDEBUG
+		    ("me4000_ai_isr():reset interrupt from sample counter\n");
+		spin_lock(&ai_context->int_lock);
+		tmp = me4000_inl(ai_context->ctrl_reg);
+		tmp |= ME4000_AI_CTRL_BIT_SC_IRQ_RESET;
+		me4000_outl(tmp, ai_context->ctrl_reg);
+		tmp &= ~ME4000_AI_CTRL_BIT_SC_IRQ_RESET;
+		me4000_outl(tmp, ai_context->ctrl_reg);
+		spin_unlock(&ai_context->int_lock);
+	}
+
+	/* Values are now available, so wake up waiting process */
+	if (me4000_buf_count(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT)) {
+		ISR_PDEBUG("me4000_ai_isr():Wake up waiting process\n");
+		wake_up_interruptible(&(ai_context->wait_queue));
+	}
+
+	/* If there is no space left in the buffer, disable interrupts */
+	spin_lock(&ai_context->int_lock);
+	if (!me4000_buf_space(ai_context->circ_buf, ME4000_AI_BUFFER_COUNT)) {
+		ISR_PDEBUG
+		    ("me4000_ai_isr():Disable Interrupt because no space left in buffer\n");
+		tmp = me4000_inl(ai_context->ctrl_reg);
+		tmp &=
+		    ~(ME4000_AI_CTRL_BIT_SC_IRQ | ME4000_AI_CTRL_BIT_HF_IRQ |
+		      ME4000_AI_CTRL_BIT_LE_IRQ);
+		me4000_outl(tmp, ai_context->ctrl_reg);
+	}
+	spin_unlock(&ai_context->int_lock);
+
+#ifdef ME4000_ISR_DEBUG
+	rdtscl(after);
+	printk(KERN_ERR "ME4000:me4000_ai_isr():Time lapse = %lu\n",
+	       after - before);
+#endif
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t me4000_ext_int_isr(int irq, void *dev_id)
+{
+	me4000_ext_int_context_t *ext_int_context;
+	unsigned long tmp;
+
+	ISR_PDEBUG("me4000_ext_int_isr() is executed\n");
+
+	ext_int_context = dev_id;
+
+	/* Check if irq number is right */
+	if (irq != ext_int_context->irq) {
+		ISR_PDEBUG("me4000_ext_int_isr():incorrect interrupt num: %d\n",
+			   irq);
+		return IRQ_NONE;
+	}
+
+	if (me4000_inl(ext_int_context->irq_status_reg) &
+	    ME4000_IRQ_STATUS_BIT_EX) {
+		ISR_PDEBUG("me4000_ext_int_isr():External interrupt occured\n");
+		tmp = me4000_inl(ext_int_context->ctrl_reg);
+		tmp |= ME4000_AI_CTRL_BIT_EX_IRQ_RESET;
+		me4000_outl(tmp, ext_int_context->ctrl_reg);
+		tmp &= ~ME4000_AI_CTRL_BIT_EX_IRQ_RESET;
+		me4000_outl(tmp, ext_int_context->ctrl_reg);
+
+		ext_int_context->int_count++;
+
+		if (ext_int_context->fasync_ptr) {
+			ISR_PDEBUG
+			    ("me2600_ext_int_isr():Send signal to process\n");
+			kill_fasync(&ext_int_context->fasync_ptr, SIGIO,
+				    POLL_IN);
+		}
+	}
+
+	return IRQ_HANDLED;
+}
+
+void __exit me4000_module_exit(void)
+{
+	struct list_head *board_p;
+	me4000_info_t *board_info;
+
+	CALL_PDEBUG("cleanup_module() is executed\n");
+
+	unregister_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME);
+
+	unregister_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME);
+
+	unregister_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME);
+
+	unregister_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME);
+
+	unregister_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME);
+
+	remove_proc_entry("me4000", NULL);
+
+	pci_unregister_driver(&me4000_driver);
+
+	/* Reset the boards */
+	for (board_p = me4000_board_info_list.next;
+	     board_p != &me4000_board_info_list; board_p = board_p->next) {
+		board_info = list_entry(board_p, me4000_info_t, list);
+		me4000_reset_board(board_info);
+	}
+
+	clear_board_info_list();
+}
+
+module_exit(me4000_module_exit);
+
+static int me4000_read_procmem(char *buf, char **start, off_t offset, int count,
+			       int *eof, void *data)
+{
+	int len = 0;
+	int limit = count - 1000;
+	me4000_info_t *board_info;
+	struct list_head *ptr;
+
+	len += sprintf(buf + len, "\nME4000 DRIVER VERSION %X.%X.%X\n\n",
+		       (ME4000_DRIVER_VERSION & 0xFF0000) >> 16,
+		       (ME4000_DRIVER_VERSION & 0xFF00) >> 8,
+		       (ME4000_DRIVER_VERSION & 0xFF));
+
+	/* Search for the board context */
+	for (ptr = me4000_board_info_list.next;
+	     (ptr != &me4000_board_info_list) && (len < limit);
+	     ptr = ptr->next) {
+		board_info = list_entry(ptr, me4000_info_t, list);
+
+		len +=
+		    sprintf(buf + len, "Board number %d:\n",
+			    board_info->board_count);
+		len += sprintf(buf + len, "---------------\n");
+		len +=
+		    sprintf(buf + len, "PLX base register = 0x%lX\n",
+			    board_info->plx_regbase);
+		len +=
+		    sprintf(buf + len, "PLX base register size = 0x%lX\n",
+			    board_info->plx_regbase_size);
+		len +=
+		    sprintf(buf + len, "ME4000 base register = 0x%lX\n",
+			    board_info->me4000_regbase);
+		len +=
+		    sprintf(buf + len, "ME4000 base register size = 0x%lX\n",
+			    board_info->me4000_regbase_size);
+		len +=
+		    sprintf(buf + len, "Serial number = 0x%X\n",
+			    board_info->serial_no);
+		len +=
+		    sprintf(buf + len, "Hardware revision = 0x%X\n",
+			    board_info->hw_revision);
+		len +=
+		    sprintf(buf + len, "Vendor id = 0x%X\n",
+			    board_info->vendor_id);
+		len +=
+		    sprintf(buf + len, "Device id = 0x%X\n",
+			    board_info->device_id);
+		len +=
+		    sprintf(buf + len, "PCI bus number = %d\n",
+			    board_info->pci_bus_no);
+		len +=
+		    sprintf(buf + len, "PCI device number = %d\n",
+			    board_info->pci_dev_no);
+		len +=
+		    sprintf(buf + len, "PCI function number = %d\n",
+			    board_info->pci_func_no);
+		len += sprintf(buf + len, "IRQ = %u\n", board_info->irq);
+		len +=
+		    sprintf(buf + len,
+			    "Count of interrupts since module was loaded = %d\n",
+			    board_info->irq_count);
+
+		len +=
+		    sprintf(buf + len, "Count of analog outputs = %d\n",
+			    board_info->board_p->ao.count);
+		len +=
+		    sprintf(buf + len, "Count of analog output fifos = %d\n",
+			    board_info->board_p->ao.fifo_count);
+
+		len +=
+		    sprintf(buf + len, "Count of analog inputs = %d\n",
+			    board_info->board_p->ai.count);
+		len +=
+		    sprintf(buf + len,
+			    "Count of sample and hold devices for analog input = %d\n",
+			    board_info->board_p->ai.sh_count);
+		len +=
+		    sprintf(buf + len,
+			    "Analog external trigger available for analog input = %d\n",
+			    board_info->board_p->ai.ex_trig_analog);
+
+		len +=
+		    sprintf(buf + len, "Count of digital ports = %d\n",
+			    board_info->board_p->dio.count);
+
+		len +=
+		    sprintf(buf + len, "Count of counter devices = %d\n",
+			    board_info->board_p->cnt.count);
+		len +=
+		    sprintf(buf + len, "AI control register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AI_CTRL_REG));
+
+		len += sprintf(buf + len, "AO 0 control register = 0x%08X\n",
+			       inl(board_info->me4000_regbase +
+				   ME4000_AO_00_CTRL_REG));
+		len +=
+		    sprintf(buf + len, "AO 0 status register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AO_00_STATUS_REG));
+		len +=
+		    sprintf(buf + len, "AO 1 control register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AO_01_CTRL_REG));
+		len +=
+		    sprintf(buf + len, "AO 1 status register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AO_01_STATUS_REG));
+		len +=
+		    sprintf(buf + len, "AO 2 control register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AO_02_CTRL_REG));
+		len +=
+		    sprintf(buf + len, "AO 2 status register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AO_02_STATUS_REG));
+		len +=
+		    sprintf(buf + len, "AO 3 control register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AO_03_CTRL_REG));
+		len +=
+		    sprintf(buf + len, "AO 3 status register = 0x%08X\n",
+			    inl(board_info->me4000_regbase +
+				ME4000_AO_03_STATUS_REG));
+	}
+
+	*eof = 1;
+	return len;
+}
diff --git a/drivers/staging/me4000/me4000.h b/drivers/staging/me4000/me4000.h
new file mode 100644
index 00000000000..c35e4b9793a
--- /dev/null
+++ b/drivers/staging/me4000/me4000.h
@@ -0,0 +1,954 @@
+/*
+ * Copyright (C) 2003 Meilhaus Electronic GmbH (support@meilhaus.de)
+ *
+ * Source File : me4000.h
+ * Author      : GG (Guenter Gebhardt)  <g.gebhardt@meilhaus.de>
+ */
+
+#ifndef _ME4000_H_
+#define _ME4000_H_
+
+#ifdef __KERNEL__
+
+/*=============================================================================
+  The version of the driver release
+  ===========================================================================*/
+
+#define ME4000_DRIVER_VERSION  0x10009	// Version 1.00.09
+
+/*=============================================================================
+  Debug section
+  ===========================================================================*/
+
+#undef ME4000_CALL_DEBUG	// Debug function entry and exit
+#undef ME4000_ISR_DEBUG		// Debug the interrupt service routine
+#undef ME4000_PORT_DEBUG	// Debug port access
+#undef ME4000_DEBUG		// General purpose debug masseges
+
+#ifdef ME4000_CALL_DEBUG
+#undef CALL_PDEBUG
+#define CALL_PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args)
+#else
+# define CALL_PDEBUG(fmt, args...)	// no debugging, do nothing
+#endif
+
+#ifdef ME4000_ISR_DEBUG
+#undef ISR_PDEBUG
+#define ISR_PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args)
+#else
+#define ISR_PDEBUG(fmt, args...)	// no debugging, do nothing
+#endif
+
+#ifdef ME4000_PORT_DEBUG
+#undef PORT_PDEBUG
+#define PORT_PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args)
+#else
+#define PORT_PDEBUG(fmt, args...)	// no debugging, do nothing
+#endif
+
+#ifdef ME4000_DEBUG
+#undef PDEBUG
+#define PDEBUG(fmt, args...) printk(KERN_DEBUG"ME4000:" fmt, ##args)
+#else
+#define PDEBUG(fmt, args...)	// no debugging, do nothing
+#endif
+
+/*=============================================================================
+  PCI vendor and device IDs
+  ===========================================================================*/
+
+#define PCI_VENDOR_ID_MEILHAUS 0x1402
+
+#define PCI_DEVICE_ID_MEILHAUS_ME4650	0x4650	// Low Cost version
+
+#define PCI_DEVICE_ID_MEILHAUS_ME4660	0x4660	// Standard version
+#define PCI_DEVICE_ID_MEILHAUS_ME4660I	0x4661	// Isolated version
+#define PCI_DEVICE_ID_MEILHAUS_ME4660S	0x4662	// Standard version with Sample and Hold
+#define PCI_DEVICE_ID_MEILHAUS_ME4660IS	0x4663	// Isolated version with Sample and Hold
+
+#define PCI_DEVICE_ID_MEILHAUS_ME4670	0x4670	// Standard version
+#define PCI_DEVICE_ID_MEILHAUS_ME4670I	0x4671	// Isolated version
+#define PCI_DEVICE_ID_MEILHAUS_ME4670S	0x4672	// Standard version with Sample and Hold
+#define PCI_DEVICE_ID_MEILHAUS_ME4670IS	0x4673	// Isolated version with Sample and Hold
+
+#define PCI_DEVICE_ID_MEILHAUS_ME4680	0x4680	// Standard version
+#define PCI_DEVICE_ID_MEILHAUS_ME4680I	0x4681	// Isolated version
+#define PCI_DEVICE_ID_MEILHAUS_ME4680S	0x4682	// Standard version with Sample and Hold
+#define PCI_DEVICE_ID_MEILHAUS_ME4680IS	0x4683	// Isolated version with Sample and Hold
+
+/*=============================================================================
+  Device names, for entries in /proc/..
+  ===========================================================================*/
+
+#define ME4000_NAME		"me4000"
+#define ME4000_AO_NAME		"me4000_ao"
+#define ME4000_AI_NAME		"me4000_ai"
+#define ME4000_DIO_NAME		"me4000_dio"
+#define ME4000_CNT_NAME		"me4000_cnt"
+#define ME4000_EXT_INT_NAME	"me4000_ext_int"
+
+/*=============================================================================
+  ME-4000 base register offsets
+  ===========================================================================*/
+
+#define ME4000_AO_00_CTRL_REG			0x00	// R/W
+#define ME4000_AO_00_STATUS_REG			0x04	// R/_
+#define ME4000_AO_00_FIFO_REG			0x08	// _/W
+#define ME4000_AO_00_SINGLE_REG			0x0C	// R/W
+#define ME4000_AO_00_TIMER_REG			0x10	// _/W
+
+#define ME4000_AO_01_CTRL_REG			0x18	// R/W
+#define ME4000_AO_01_STATUS_REG			0x1C	// R/_
+#define ME4000_AO_01_FIFO_REG			0x20	// _/W
+#define ME4000_AO_01_SINGLE_REG			0x24	// R/W
+#define ME4000_AO_01_TIMER_REG			0x28	// _/W
+
+#define ME4000_AO_02_CTRL_REG			0x30	// R/W
+#define ME4000_AO_02_STATUS_REG			0x34	// R/_
+#define ME4000_AO_02_FIFO_REG			0x38	// _/W
+#define ME4000_AO_02_SINGLE_REG			0x3C	// R/W
+#define ME4000_AO_02_TIMER_REG			0x40	// _/W
+
+#define ME4000_AO_03_CTRL_REG			0x48	// R/W
+#define ME4000_AO_03_STATUS_REG			0x4C	// R/_
+#define ME4000_AO_03_FIFO_REG			0x50	// _/W
+#define ME4000_AO_03_SINGLE_REG			0x54	// R/W
+#define ME4000_AO_03_TIMER_REG			0x58	// _/W
+
+#define ME4000_AI_CTRL_REG			0x74	// _/W
+#define ME4000_AI_STATUS_REG			0x74	// R/_
+#define ME4000_AI_CHANNEL_LIST_REG		0x78	// _/W
+#define ME4000_AI_DATA_REG			0x7C	// R/_
+#define ME4000_AI_CHAN_TIMER_REG		0x80	// _/W
+#define ME4000_AI_CHAN_PRE_TIMER_REG		0x84	// _/W
+#define ME4000_AI_SCAN_TIMER_LOW_REG		0x88	// _/W
+#define ME4000_AI_SCAN_TIMER_HIGH_REG		0x8C	// _/W
+#define ME4000_AI_SCAN_PRE_TIMER_LOW_REG	0x90	// _/W
+#define ME4000_AI_SCAN_PRE_TIMER_HIGH_REG	0x94	// _/W
+#define ME4000_AI_START_REG			0x98	// R/_
+
+#define ME4000_IRQ_STATUS_REG			0x9C	// R/_
+
+#define ME4000_DIO_PORT_0_REG			0xA0	// R/W
+#define ME4000_DIO_PORT_1_REG			0xA4	// R/W
+#define ME4000_DIO_PORT_2_REG			0xA8	// R/W
+#define ME4000_DIO_PORT_3_REG			0xAC	// R/W
+#define ME4000_DIO_DIR_REG			0xB0	// R/W
+
+#define ME4000_AO_LOADSETREG_XX			0xB4	// R/W
+
+#define ME4000_DIO_CTRL_REG			0xB8	// R/W
+
+#define ME4000_AO_DEMUX_ADJUST_REG		0xBC	// -/W
+
+#define ME4000_AI_SAMPLE_COUNTER_REG		0xC0	// _/W
+
+/*=============================================================================
+  Value to adjust Demux
+  ===========================================================================*/
+
+#define ME4000_AO_DEMUX_ADJUST_VALUE            0x4C
+
+/*=============================================================================
+  Counter base register offsets
+  ===========================================================================*/
+
+#define ME4000_CNT_COUNTER_0_REG		0x00
+#define ME4000_CNT_COUNTER_1_REG		0x01
+#define ME4000_CNT_COUNTER_2_REG		0x02
+#define ME4000_CNT_CTRL_REG			0x03
+
+/*=============================================================================
+  PLX base register offsets
+  ===========================================================================*/
+
+#define PLX_INTCSR	0x4C	// Interrupt control and status register
+#define PLX_ICR		0x50	// Initialization control register
+
+/*=============================================================================
+  Bits for the PLX_ICSR register
+  ===========================================================================*/
+
+#define PLX_INTCSR_LOCAL_INT1_EN             0x01	// If set, local interrupt 1 is enabled (r/w)
+#define PLX_INTCSR_LOCAL_INT1_POL            0x02	// If set, local interrupt 1 polarity is active high (r/w)
+#define PLX_INTCSR_LOCAL_INT1_STATE          0x04	// If set, local interrupt 1 is active (r/_)
+#define PLX_INTCSR_LOCAL_INT2_EN             0x08	// If set, local interrupt 2 is enabled (r/w)
+#define PLX_INTCSR_LOCAL_INT2_POL            0x10	// If set, local interrupt 2 polarity is active high (r/w)
+#define PLX_INTCSR_LOCAL_INT2_STATE          0x20	// If set, local interrupt 2 is active  (r/_)
+#define PLX_INTCSR_PCI_INT_EN                0x40	// If set, PCI interrupt is enabled (r/w)
+#define PLX_INTCSR_SOFT_INT                  0x80	// If set, a software interrupt is generated (r/w)
+
+/*=============================================================================
+  Bits for the PLX_ICR register
+  ===========================================================================*/
+
+#define PLX_ICR_BIT_EEPROM_CLOCK_SET		0x01000000
+#define PLX_ICR_BIT_EEPROM_CHIP_SELECT		0x02000000
+#define PLX_ICR_BIT_EEPROM_WRITE		0x04000000
+#define PLX_ICR_BIT_EEPROM_READ			0x08000000
+#define PLX_ICR_BIT_EEPROM_VALID		0x10000000
+
+#define PLX_ICR_MASK_EEPROM			0x1F000000
+
+#define EEPROM_DELAY				1
+
+/*=============================================================================
+  Bits for the ME4000_AO_CTRL_REG register
+  ===========================================================================*/
+
+#define ME4000_AO_CTRL_BIT_MODE_0		0x001
+#define ME4000_AO_CTRL_BIT_MODE_1		0x002
+#define ME4000_AO_CTRL_MASK_MODE		0x003
+#define ME4000_AO_CTRL_BIT_STOP			0x004
+#define ME4000_AO_CTRL_BIT_ENABLE_FIFO		0x008
+#define ME4000_AO_CTRL_BIT_ENABLE_EX_TRIG	0x010
+#define ME4000_AO_CTRL_BIT_EX_TRIG_EDGE		0x020
+#define ME4000_AO_CTRL_BIT_IMMEDIATE_STOP	0x080
+#define ME4000_AO_CTRL_BIT_ENABLE_DO		0x100
+#define ME4000_AO_CTRL_BIT_ENABLE_IRQ		0x200
+#define ME4000_AO_CTRL_BIT_RESET_IRQ		0x400
+#define ME4000_AO_CTRL_BIT_EX_TRIG_BOTH		0x800
+
+/*=============================================================================
+  Bits for the ME4000_AO_STATUS_REG register
+  ===========================================================================*/
+
+#define ME4000_AO_STATUS_BIT_FSM		0x01
+#define ME4000_AO_STATUS_BIT_FF			0x02
+#define ME4000_AO_STATUS_BIT_HF			0x04
+#define ME4000_AO_STATUS_BIT_EF			0x08
+
+/*=============================================================================
+  Bits for the ME4000_AI_CTRL_REG register
+  ===========================================================================*/
+
+#define ME4000_AI_CTRL_BIT_MODE_0		0x00000001
+#define ME4000_AI_CTRL_BIT_MODE_1		0x00000002
+#define ME4000_AI_CTRL_BIT_MODE_2		0x00000004
+#define ME4000_AI_CTRL_BIT_SAMPLE_HOLD		0x00000008
+#define ME4000_AI_CTRL_BIT_IMMEDIATE_STOP	0x00000010
+#define ME4000_AI_CTRL_BIT_STOP			0x00000020
+#define ME4000_AI_CTRL_BIT_CHANNEL_FIFO		0x00000040
+#define ME4000_AI_CTRL_BIT_DATA_FIFO		0x00000080
+#define ME4000_AI_CTRL_BIT_FULLSCALE		0x00000100
+#define ME4000_AI_CTRL_BIT_OFFSET		0x00000200
+#define ME4000_AI_CTRL_BIT_EX_TRIG_ANALOG	0x00000400
+#define ME4000_AI_CTRL_BIT_EX_TRIG		0x00000800
+#define ME4000_AI_CTRL_BIT_EX_TRIG_FALLING	0x00001000
+#define ME4000_AI_CTRL_BIT_EX_IRQ		0x00002000
+#define ME4000_AI_CTRL_BIT_EX_IRQ_RESET		0x00004000
+#define ME4000_AI_CTRL_BIT_LE_IRQ		0x00008000
+#define ME4000_AI_CTRL_BIT_LE_IRQ_RESET		0x00010000
+#define ME4000_AI_CTRL_BIT_HF_IRQ		0x00020000
+#define ME4000_AI_CTRL_BIT_HF_IRQ_RESET		0x00040000
+#define ME4000_AI_CTRL_BIT_SC_IRQ		0x00080000
+#define ME4000_AI_CTRL_BIT_SC_IRQ_RESET		0x00100000
+#define ME4000_AI_CTRL_BIT_SC_RELOAD		0x00200000
+#define ME4000_AI_CTRL_BIT_EX_TRIG_BOTH		0x80000000
+
+/*=============================================================================
+  Bits for the ME4000_AI_STATUS_REG register
+  ===========================================================================*/
+
+#define ME4000_AI_STATUS_BIT_EF_CHANNEL		0x00400000
+#define ME4000_AI_STATUS_BIT_HF_CHANNEL		0x00800000
+#define ME4000_AI_STATUS_BIT_FF_CHANNEL		0x01000000
+#define ME4000_AI_STATUS_BIT_EF_DATA		0x02000000
+#define ME4000_AI_STATUS_BIT_HF_DATA		0x04000000
+#define ME4000_AI_STATUS_BIT_FF_DATA		0x08000000
+#define ME4000_AI_STATUS_BIT_LE			0x10000000
+#define ME4000_AI_STATUS_BIT_FSM		0x20000000
+
+/*=============================================================================
+  Bits for the ME4000_IRQ_STATUS_REG register
+  ===========================================================================*/
+
+#define ME4000_IRQ_STATUS_BIT_EX		0x01
+#define ME4000_IRQ_STATUS_BIT_LE		0x02
+#define ME4000_IRQ_STATUS_BIT_AI_HF		0x04
+#define ME4000_IRQ_STATUS_BIT_AO_0_HF		0x08
+#define ME4000_IRQ_STATUS_BIT_AO_1_HF		0x10
+#define ME4000_IRQ_STATUS_BIT_AO_2_HF		0x20
+#define ME4000_IRQ_STATUS_BIT_AO_3_HF		0x40
+#define ME4000_IRQ_STATUS_BIT_SC		0x80
+
+/*=============================================================================
+  Bits for the ME4000_DIO_CTRL_REG register
+  ===========================================================================*/
+
+#define ME4000_DIO_CTRL_BIT_MODE_0		0X0001
+#define ME4000_DIO_CTRL_BIT_MODE_1		0X0002
+#define ME4000_DIO_CTRL_BIT_MODE_2		0X0004
+#define ME4000_DIO_CTRL_BIT_MODE_3		0X0008
+#define ME4000_DIO_CTRL_BIT_MODE_4		0X0010
+#define ME4000_DIO_CTRL_BIT_MODE_5		0X0020
+#define ME4000_DIO_CTRL_BIT_MODE_6		0X0040
+#define ME4000_DIO_CTRL_BIT_MODE_7		0X0080
+
+#define ME4000_DIO_CTRL_BIT_FUNCTION_0		0X0100
+#define ME4000_DIO_CTRL_BIT_FUNCTION_1		0X0200
+
+#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_0		0X0400
+#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_1		0X0800
+#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_2		0X1000
+#define ME4000_DIO_CTRL_BIT_FIFO_HIGH_3		0X2000
+
+/*=============================================================================
+  Bits for the ME4000_CNT_CTRL_REG register
+  ===========================================================================*/
+
+#define ME4000_CNT_CTRL_BIT_COUNTER_0  0x00
+#define ME4000_CNT_CTRL_BIT_COUNTER_1  0x40
+#define ME4000_CNT_CTRL_BIT_COUNTER_2  0x80
+
+#define ME4000_CNT_CTRL_BIT_MODE_0     0x00	// Change state if zero crossing
+#define ME4000_CNT_CTRL_BIT_MODE_1     0x02	// Retriggerable One-Shot
+#define ME4000_CNT_CTRL_BIT_MODE_2     0x04	// Asymmetrical divider
+#define ME4000_CNT_CTRL_BIT_MODE_3     0x06	// Symmetrical divider
+#define ME4000_CNT_CTRL_BIT_MODE_4     0x08	// Counter start by software trigger
+#define ME4000_CNT_CTRL_BIT_MODE_5     0x0A	// Counter start by hardware trigger
+
+/*=============================================================================
+  Extract information from minor device number
+  ===========================================================================*/
+
+#define AO_BOARD(dev) ((MINOR(dev) >> 6) & 0x3)
+#define AO_PORT(dev)  ((MINOR(dev) >> 2) & 0xF)
+#define AO_MODE(dev)  (MINOR(dev) & 0x3)
+
+#define AI_BOARD(dev) ((MINOR(dev) >> 3) & 0x1F)
+#define AI_MODE(dev)  (MINOR(dev) & 0x7)
+
+#define DIO_BOARD(dev) (MINOR(dev))
+
+#define CNT_BOARD(dev) (MINOR(dev))
+
+#define EXT_INT_BOARD(dev) (MINOR(dev))
+
+/*=============================================================================
+  Circular buffer used for analog input/output reads/writes.
+  ===========================================================================*/
+
+typedef struct me4000_circ_buf {
+	s16 *buf;
+	int volatile head;
+	int volatile tail;
+} me4000_circ_buf_t;
+
+/*=============================================================================
+  Information about the hardware capabilities
+  ===========================================================================*/
+
+typedef struct me4000_ao_info {
+	int count;
+	int fifo_count;
+} me4000_ao_info_t;
+
+typedef struct me4000_ai_info {
+	int count;
+	int sh_count;
+	int diff_count;
+	int ex_trig_analog;
+} me4000_ai_info_t;
+
+typedef struct me4000_dio_info {
+	int count;
+} me4000_dio_info_t;
+
+typedef struct me4000_cnt_info {
+	int count;
+} me4000_cnt_info_t;
+
+typedef struct me4000_board {
+	u16 vendor_id;
+	u16 device_id;
+	me4000_ao_info_t ao;
+	me4000_ai_info_t ai;
+	me4000_dio_info_t dio;
+	me4000_cnt_info_t cnt;
+} me4000_board_t;
+
+static me4000_board_t me4000_boards[] = {
+	{PCI_VENDOR_ID_MEILHAUS, 0x4610, {0, 0}, {16, 0, 0, 0}, {4}, {3}},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4650, {0, 0}, {16, 0, 0, 0}, {4}, {0}},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4660, {2, 0}, {16, 0, 0, 0}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4661, {2, 0}, {16, 0, 0, 0}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4662, {2, 0}, {16, 8, 0, 0}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4663, {2, 0}, {16, 8, 0, 0}, {4}, {3}},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4670, {4, 0}, {32, 0, 16, 1}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4671, {4, 0}, {32, 0, 16, 1}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4672, {4, 0}, {32, 8, 16, 1}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4673, {4, 0}, {32, 8, 16, 1}, {4}, {3}},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4680, {4, 4}, {32, 0, 16, 1}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4681, {4, 4}, {32, 0, 16, 1}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4682, {4, 4}, {32, 8, 16, 1}, {4}, {3}},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4683, {4, 4}, {32, 8, 16, 1}, {4}, {3}},
+
+	{0},
+};
+
+#define ME4000_BOARD_VERSIONS (sizeof(me4000_boards) / sizeof(me4000_board_t) - 1)
+
+/*=============================================================================
+  PCI device table.
+  This is used by modprobe to translate PCI IDs to drivers.
+  ===========================================================================*/
+
+static struct pci_device_id me4000_pci_table[] __devinitdata = {
+	{PCI_VENDOR_ID_MEILHAUS, 0x4610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4650, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4661, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4662, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4670, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4671, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4672, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4673, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+
+	{PCI_VENDOR_ID_MEILHAUS, 0x4680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4681, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4682, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{PCI_VENDOR_ID_MEILHAUS, 0x4683, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+
+	{0}
+};
+
+MODULE_DEVICE_TABLE(pci, me4000_pci_table);
+
+/*=============================================================================
+  Global board and subdevice information structures
+  ===========================================================================*/
+
+typedef struct me4000_info {
+	struct list_head list;	// List of all detected boards
+	int board_count;	// Index of the board after detection
+
+	unsigned long plx_regbase;	// PLX configuration space base address
+	unsigned long me4000_regbase;	// Base address of the ME4000
+	unsigned long timer_regbase;	// Base address of the timer circuit
+	unsigned long program_regbase;	// Base address to set the program pin for the xilinx
+
+	unsigned long plx_regbase_size;	// PLX register set space
+	unsigned long me4000_regbase_size;	// ME4000 register set space
+	unsigned long timer_regbase_size;	// Timer circuit register set space
+	unsigned long program_regbase_size;	// Size of program base address of the ME4000
+
+	unsigned int serial_no;	// Serial number of the board
+	unsigned char hw_revision;	// Hardware revision of the board
+	unsigned short vendor_id;	// Meilhaus vendor id (0x1402)
+	unsigned short device_id;	// Device ID
+
+	int pci_bus_no;		// PCI bus number
+	int pci_dev_no;		// PCI device number
+	int pci_func_no;	// PCI function number
+	struct pci_dev *pci_dev_p;	// General PCI information
+
+	me4000_board_t *board_p;	// Holds the board capabilities
+
+	unsigned int irq;	// IRQ assigned from the PCI BIOS
+	unsigned int irq_count;	// Count of external interrupts
+
+	spinlock_t preload_lock;	// Guards the analog output preload register
+	spinlock_t ai_ctrl_lock;	// Guards the analog input control register
+
+	struct list_head ao_context_list;	// List with analog output specific context
+	struct me4000_ai_context *ai_context;	// Analog input  specific context
+	struct me4000_dio_context *dio_context;	// Digital I/O specific context
+	struct me4000_cnt_context *cnt_context;	// Counter specific context
+	struct me4000_ext_int_context *ext_int_context;	// External interrupt specific context
+} me4000_info_t;
+
+typedef struct me4000_ao_context {
+	struct list_head list;	// linked list of me4000_ao_context_t
+	int index;		// Index in the list
+	int mode;		// Indicates mode (0 = single, 1 = wraparound, 2 = continous)
+	int dac_in_use;		// Indicates if already opend
+	spinlock_t use_lock;	// Guards in_use
+	spinlock_t int_lock;	// Used when locking out interrupts
+	me4000_circ_buf_t circ_buf;	// Circular buffer
+	wait_queue_head_t wait_queue;	// Wait queue to sleep while blocking write
+	me4000_info_t *board_info;
+	unsigned int irq;	// The irq associated with this ADC
+	int volatile pipe_flag;	// Indicates broken pipe set from me4000_ao_isr()
+	unsigned long ctrl_reg;
+	unsigned long status_reg;
+	unsigned long fifo_reg;
+	unsigned long single_reg;
+	unsigned long timer_reg;
+	unsigned long irq_status_reg;
+	unsigned long preload_reg;
+	struct fasync_struct *fasync_p;	// Queue for asynchronous notification
+} me4000_ao_context_t;
+
+typedef struct me4000_ai_context {
+	struct list_head list;	// linked list of me4000_ai_info_t
+	int mode;		// Indicates mode
+	int in_use;		// Indicates if already opend
+	spinlock_t use_lock;	// Guards in_use
+	spinlock_t int_lock;	// Used when locking out interrupts
+	int number;		// Number of the DAC
+	unsigned int irq;	// The irq associated with this ADC
+	me4000_circ_buf_t circ_buf;	// Circular buffer
+	wait_queue_head_t wait_queue;	// Wait queue to sleep while blocking read
+	me4000_info_t *board_info;
+
+	struct fasync_struct *fasync_p;	// Queue for asynchronous notification
+
+	unsigned long ctrl_reg;
+	unsigned long status_reg;
+	unsigned long channel_list_reg;
+	unsigned long data_reg;
+	unsigned long chan_timer_reg;
+	unsigned long chan_pre_timer_reg;
+	unsigned long scan_timer_low_reg;
+	unsigned long scan_timer_high_reg;
+	unsigned long scan_pre_timer_low_reg;
+	unsigned long scan_pre_timer_high_reg;
+	unsigned long start_reg;
+	unsigned long irq_status_reg;
+	unsigned long sample_counter_reg;
+
+	unsigned long chan_timer;
+	unsigned long chan_pre_timer;
+	unsigned long scan_timer_low;
+	unsigned long scan_timer_high;
+	unsigned long channel_list_count;
+	unsigned long sample_counter;
+	int sample_counter_reload;
+} me4000_ai_context_t;
+
+typedef struct me4000_dio_context {
+	struct list_head list;	// linked list of me4000_dio_context_t
+	int in_use;		// Indicates if already opend
+	spinlock_t use_lock;	// Guards in_use
+	int number;
+	int dio_count;
+	me4000_info_t *board_info;
+	unsigned long dir_reg;
+	unsigned long ctrl_reg;
+	unsigned long port_0_reg;
+	unsigned long port_1_reg;
+	unsigned long port_2_reg;
+	unsigned long port_3_reg;
+} me4000_dio_context_t;
+
+typedef struct me4000_cnt_context {
+	struct list_head list;	// linked list of me4000_dio_context_t
+	int in_use;		// Indicates if already opend
+	spinlock_t use_lock;	// Guards in_use
+	int number;
+	int cnt_count;
+	me4000_info_t *board_info;
+	unsigned long ctrl_reg;
+	unsigned long counter_0_reg;
+	unsigned long counter_1_reg;
+	unsigned long counter_2_reg;
+} me4000_cnt_context_t;
+
+typedef struct me4000_ext_int_context {
+	struct list_head list;	// linked list of me4000_dio_context_t
+	int in_use;		// Indicates if already opend
+	spinlock_t use_lock;	// Guards in_use
+	int number;
+	me4000_info_t *board_info;
+	unsigned int irq;
+	unsigned long int_count;
+	struct fasync_struct *fasync_ptr;
+	unsigned long ctrl_reg;
+	unsigned long irq_status_reg;
+} me4000_ext_int_context_t;
+
+#endif
+
+/*=============================================================================
+  Application include section starts here
+  ===========================================================================*/
+
+/*-----------------------------------------------------------------------------
+  Defines for analog input
+  ----------------------------------------------------------------------------*/
+
+/* General stuff */
+#define ME4000_AI_FIFO_COUNT		2048
+
+#define ME4000_AI_MIN_TICKS		66
+#define ME4000_AI_MAX_SCAN_TICKS	0xFFFFFFFFFFLL
+
+#define ME4000_AI_BUFFER_SIZE 		(32 * 1024)	// Size in bytes
+
+#define ME4000_AI_BUFFER_COUNT		((ME4000_AI_BUFFER_SIZE) / 2)	// Size in values
+
+/* Channel list defines and masks */
+#define ME4000_AI_CHANNEL_LIST_COUNT		1024
+
+#define ME4000_AI_LIST_INPUT_SINGLE_ENDED	0x000
+#define ME4000_AI_LIST_INPUT_DIFFERENTIAL	0x020
+
+#define ME4000_AI_LIST_RANGE_BIPOLAR_10		0x000
+#define ME4000_AI_LIST_RANGE_BIPOLAR_2_5	0x040
+#define ME4000_AI_LIST_RANGE_UNIPOLAR_10	0x080
+#define ME4000_AI_LIST_RANGE_UNIPOLAR_2_5	0x0C0
+
+#define ME4000_AI_LIST_LAST_ENTRY		0x100
+
+/* External trigger defines */
+#define ME4000_AI_TRIGGER_SOFTWARE		0x0	// Use only with API
+#define ME4000_AI_TRIGGER_EXT_DIGITAL		0x1
+#define ME4000_AI_TRIGGER_EXT_ANALOG		0x2
+
+#define ME4000_AI_TRIGGER_EXT_EDGE_RISING	0x0
+#define ME4000_AI_TRIGGER_EXT_EDGE_FALLING	0x1
+#define ME4000_AI_TRIGGER_EXT_EDGE_BOTH		0x2
+
+/* Sample and Hold */
+#define ME4000_AI_SIMULTANEOUS_DISABLE		0x0
+#define ME4000_AI_SIMULTANEOUS_ENABLE		0x1
+
+/* Defines for the Sample Counter */
+#define ME4000_AI_SC_RELOAD			0x0
+#define ME4000_AI_SC_ONCE			0x1
+
+/* Modes for analog input */
+#define ME4000_AI_ACQ_MODE_SINGLE		0x00	// Catch one single value
+#define ME4000_AI_ACQ_MODE_SOFTWARE		0x01	// Continous sampling with software start
+#define ME4000_AI_ACQ_MODE_EXT			0x02	// Continous sampling with external trigger start
+#define ME4000_AI_ACQ_MODE_EXT_SINGLE_VALUE	0x03	// Sample one value by external trigger
+#define ME4000_AI_ACQ_MODE_EXT_SINGLE_CHANLIST	0x04	// Sample one channel list by external trigger
+
+/* Staus of AI FSM */
+#define ME4000_AI_STATUS_IDLE			0x0
+#define ME4000_AI_STATUS_BUSY			0x1
+
+/* Voltages for calibration */
+#define ME4000_AI_GAIN_1_UNI_OFFSET		10.0E-3
+#define ME4000_AI_GAIN_1_UNI_FULLSCALE		9950.0E-3
+#define ME4000_AI_GAIN_1_BI_OFFSET		0.0
+#define ME4000_AI_GAIN_1_BI_FULLSCALE		9950.0E-3
+#define ME4000_AI_GAIN_4_UNI_OFFSET		10.0E-3
+#define ME4000_AI_GAIN_4_UNI_FULLSCALE		2450.0E-3
+#define ME4000_AI_GAIN_4_BI_OFFSET		0.0
+#define ME4000_AI_GAIN_4_BI_FULLSCALE		2450.0E-3
+
+/* Ideal digits for calibration */
+#define ME4000_AI_GAIN_1_UNI_OFFSET_DIGITS	(-32702)
+#define ME4000_AI_GAIN_1_UNI_FULLSCALE_DIGITS	32440
+#define ME4000_AI_GAIN_1_BI_OFFSET_DIGITS	0
+#define ME4000_AI_GAIN_1_BI_FULLSCALE_DIGITS	32604
+#define ME4000_AI_GAIN_4_UNI_OFFSET_DIGITS	(-32505)
+#define ME4000_AI_GAIN_4_UNI_FULLSCALE_DIGITS	31457
+#define ME4000_AI_GAIN_4_BI_OFFSET_DIGITS	0
+#define ME4000_AI_GAIN_4_BI_FULLSCALE_DIGITS	32113
+
+/*-----------------------------------------------------------------------------
+  Defines for analog output
+  ----------------------------------------------------------------------------*/
+
+/* General stuff */
+#define ME4000_AO_FIFO_COUNT			(4 * 1024)
+
+#define ME4000_AO_MIN_TICKS			66
+
+#define ME4000_AO_BUFFER_SIZE 			(32 * 1024)	// Size in bytes
+
+#define ME4000_AO_BUFFER_COUNT 			((ME4000_AO_BUFFER_SIZE) / 2)	// Size in values
+
+/* Conversion modes for analog output */
+#define ME4000_AO_CONV_MODE_SINGLE		0x0
+#define ME4000_AO_CONV_MODE_WRAPAROUND		0x1
+#define ME4000_AO_CONV_MODE_CONTINUOUS		0x2
+
+/* Trigger setup */
+#define ME4000_AO_TRIGGER_EXT_EDGE_RISING	0x0
+#define ME4000_AO_TRIGGER_EXT_EDGE_FALLING	0x1
+#define ME4000_AO_TRIGGER_EXT_EDGE_BOTH		0x2
+
+/* Status of AO FSM */
+#define ME4000_AO_STATUS_IDLE			0x0
+#define ME4000_AO_STATUS_BUSY			0x1
+
+/*-----------------------------------------------------------------------------
+  Defines for eeprom
+  ----------------------------------------------------------------------------*/
+
+#define ME4000_EEPROM_CMD_READ			0x180
+#define ME4000_EEPROM_CMD_WRITE_ENABLE		0x130
+#define ME4000_EEPROM_CMD_WRITE_DISABLE		0x100
+#define ME4000_EEPROM_CMD_WRITE			0x1400000
+
+#define ME4000_EEPROM_CMD_LENGTH_READ		9
+#define ME4000_EEPROM_CMD_LENGTH_WRITE_ENABLE	9
+#define ME4000_EEPROM_CMD_LENGTH_WRITE_DISABLE	9
+#define ME4000_EEPROM_CMD_LENGTH_WRITE		25
+
+#define ME4000_EEPROM_ADR_DATE_HIGH		0x32
+#define ME4000_EEPROM_ADR_DATE_LOW		0x33
+
+#define ME4000_EEPROM_ADR_GAIN_1_UNI_OFFSET	0x34
+#define ME4000_EEPROM_ADR_GAIN_1_UNI_FULLSCALE	0x35
+#define ME4000_EEPROM_ADR_GAIN_1_BI_OFFSET	0x36
+#define ME4000_EEPROM_ADR_GAIN_1_BI_FULLSCALE	0x37
+#define ME4000_EEPROM_ADR_GAIN_1_DIFF_OFFSET	0x38
+#define ME4000_EEPROM_ADR_GAIN_1_DIFF_FULLSCALE	0x39
+
+#define ME4000_EEPROM_ADR_GAIN_4_UNI_OFFSET	0x3A
+#define ME4000_EEPROM_ADR_GAIN_4_UNI_FULLSCALE	0x3B
+#define ME4000_EEPROM_ADR_GAIN_4_BI_OFFSET	0x3C
+#define ME4000_EEPROM_ADR_GAIN_4_BI_FULLSCALE	0x3D
+#define ME4000_EEPROM_ADR_GAIN_4_DIFF_OFFSET	0x3E
+#define ME4000_EEPROM_ADR_GAIN_4_DIFF_FULLSCALE	0x3F
+
+#define ME4000_EEPROM_ADR_LENGTH		6
+#define ME4000_EEPROM_DATA_LENGTH		16
+
+/*-----------------------------------------------------------------------------
+  Defines for digital I/O
+  ----------------------------------------------------------------------------*/
+
+#define ME4000_DIO_PORT_A		0x0
+#define ME4000_DIO_PORT_B		0x1
+#define ME4000_DIO_PORT_C		0x2
+#define ME4000_DIO_PORT_D		0x3
+
+#define ME4000_DIO_PORT_INPUT		0x0
+#define ME4000_DIO_PORT_OUTPUT		0x1
+#define ME4000_DIO_FIFO_LOW		0x2
+#define ME4000_DIO_FIFO_HIGH		0x3
+
+#define ME4000_DIO_FUNCTION_PATTERN	0x0
+#define ME4000_DIO_FUNCTION_DEMUX	0x1
+#define ME4000_DIO_FUNCTION_MUX		0x2
+
+/*-----------------------------------------------------------------------------
+  Defines for counters
+  ----------------------------------------------------------------------------*/
+
+#define ME4000_CNT_COUNTER_0  0
+#define ME4000_CNT_COUNTER_1  1
+#define ME4000_CNT_COUNTER_2  2
+
+#define ME4000_CNT_MODE_0     0	// Change state if zero crossing
+#define ME4000_CNT_MODE_1     1	// Retriggerable One-Shot
+#define ME4000_CNT_MODE_2     2	// Asymmetrical divider
+#define ME4000_CNT_MODE_3     3	// Symmetrical divider
+#define ME4000_CNT_MODE_4     4	// Counter start by software trigger
+#define ME4000_CNT_MODE_5     5	// Counter start by hardware trigger
+
+/*-----------------------------------------------------------------------------
+  General type definitions
+  ----------------------------------------------------------------------------*/
+
+typedef struct me4000_user_info {
+	int board_count;	// Index of the board after detection
+	unsigned long plx_regbase;	// PLX configuration space base address
+	unsigned long me4000_regbase;	// Base address of the ME4000
+	unsigned long plx_regbase_size;	// PLX register set space
+	unsigned long me4000_regbase_size;	// ME4000 register set space
+	unsigned long serial_no;	// Serial number of the board
+	unsigned char hw_revision;	// Hardware revision of the board
+	unsigned short vendor_id;	// Meilhaus vendor id (0x1402)
+	unsigned short device_id;	// Device ID
+	int pci_bus_no;		// PCI bus number
+	int pci_dev_no;		// PCI device number
+	int pci_func_no;	// PCI function number
+	char irq;		// IRQ assigned from the PCI BIOS
+	int irq_count;		// Count of external interrupts
+
+	int driver_version;	// Version of the driver release
+
+	int ao_count;		// Count of analog output channels
+	int ao_fifo_count;	// Count fo analog output fifos
+
+	int ai_count;		// Count of analog input channels
+	int ai_sh_count;	// Count of sample and hold devices
+	int ai_ex_trig_analog;	// Flag to indicate if analogous external trigger is available
+
+	int dio_count;		// Count of digital I/O ports
+
+	int cnt_count;		// Count of counters
+} me4000_user_info_t;
+
+/*-----------------------------------------------------------------------------
+  Type definitions for analog output
+  ----------------------------------------------------------------------------*/
+
+typedef struct me4000_ao_channel_list {
+	unsigned long count;
+	unsigned long *list;
+} me4000_ao_channel_list_t;
+
+/*-----------------------------------------------------------------------------
+  Type definitions for analog input
+  ----------------------------------------------------------------------------*/
+
+typedef struct me4000_ai_channel_list {
+	unsigned long count;
+	unsigned long *list;
+} me4000_ai_channel_list_t;
+
+typedef struct me4000_ai_timer {
+	unsigned long pre_chan;
+	unsigned long chan;
+	unsigned long scan_low;
+	unsigned long scan_high;
+} me4000_ai_timer_t;
+
+typedef struct me4000_ai_config {
+	me4000_ai_timer_t timer;
+	me4000_ai_channel_list_t channel_list;
+	int sh;
+} me4000_ai_config_t;
+
+typedef struct me4000_ai_single {
+	int channel;
+	int range;
+	int mode;
+	short value;
+	unsigned long timeout;
+} me4000_ai_single_t;
+
+typedef struct me4000_ai_trigger {
+	int mode;
+	int edge;
+} me4000_ai_trigger_t;
+
+typedef struct me4000_ai_sc {
+	unsigned long value;
+	int reload;
+} me4000_ai_sc_t;
+
+/*-----------------------------------------------------------------------------
+  Type definitions for eeprom
+  ----------------------------------------------------------------------------*/
+
+typedef struct me4000_eeprom {
+	unsigned long date;
+	short uni_10_offset;
+	short uni_10_fullscale;
+	short uni_2_5_offset;
+	short uni_2_5_fullscale;
+	short bi_10_offset;
+	short bi_10_fullscale;
+	short bi_2_5_offset;
+	short bi_2_5_fullscale;
+	short diff_10_offset;
+	short diff_10_fullscale;
+	short diff_2_5_offset;
+	short diff_2_5_fullscale;
+} me4000_eeprom_t;
+
+/*-----------------------------------------------------------------------------
+  Type definitions for digital I/O
+  ----------------------------------------------------------------------------*/
+
+typedef struct me4000_dio_config {
+	int port;
+	int mode;
+	int function;
+} me4000_dio_config_t;
+
+typedef struct me4000_dio_byte {
+	int port;
+	unsigned char byte;
+} me4000_dio_byte_t;
+
+/*-----------------------------------------------------------------------------
+  Type definitions for counters
+  ----------------------------------------------------------------------------*/
+
+typedef struct me4000_cnt {
+	int counter;
+	unsigned short value;
+} me4000_cnt_t;
+
+typedef struct me4000_cnt_config {
+	int counter;
+	int mode;
+} me4000_cnt_config_t;
+
+/*-----------------------------------------------------------------------------
+  Type definitions for external interrupt
+  ----------------------------------------------------------------------------*/
+
+typedef struct {
+	int int1_count;
+	int int2_count;
+} me4000_int_type;
+
+/*-----------------------------------------------------------------------------
+  The ioctls of the board
+  ----------------------------------------------------------------------------*/
+
+#define ME4000_IOCTL_MAXNR 50
+#define ME4000_MAGIC 'y'
+#define ME4000_GET_USER_INFO          _IOR (ME4000_MAGIC, 0, me4000_user_info_t)
+
+#define ME4000_AO_START               _IOW (ME4000_MAGIC, 1, unsigned long)
+#define ME4000_AO_STOP                _IO  (ME4000_MAGIC, 2)
+#define ME4000_AO_IMMEDIATE_STOP      _IO  (ME4000_MAGIC, 3)
+#define ME4000_AO_RESET               _IO  (ME4000_MAGIC, 4)
+#define ME4000_AO_PRELOAD             _IO  (ME4000_MAGIC, 5)
+#define ME4000_AO_PRELOAD_UPDATE      _IO  (ME4000_MAGIC, 6)
+#define ME4000_AO_EX_TRIG_ENABLE      _IO  (ME4000_MAGIC, 7)
+#define ME4000_AO_EX_TRIG_DISABLE     _IO  (ME4000_MAGIC, 8)
+#define ME4000_AO_EX_TRIG_SETUP       _IOW (ME4000_MAGIC, 9, int)
+#define ME4000_AO_TIMER_SET_DIVISOR   _IOW (ME4000_MAGIC, 10, unsigned long)
+#define ME4000_AO_ENABLE_DO           _IO  (ME4000_MAGIC, 11)
+#define ME4000_AO_DISABLE_DO          _IO  (ME4000_MAGIC, 12)
+#define ME4000_AO_FSM_STATE           _IOR (ME4000_MAGIC, 13, int)
+
+#define ME4000_AI_SINGLE              _IOR (ME4000_MAGIC, 14, me4000_ai_single_t)
+#define ME4000_AI_START               _IOW (ME4000_MAGIC, 15, unsigned long)
+#define ME4000_AI_STOP                _IO  (ME4000_MAGIC, 16)
+#define ME4000_AI_IMMEDIATE_STOP      _IO  (ME4000_MAGIC, 17)
+#define ME4000_AI_EX_TRIG_ENABLE      _IO  (ME4000_MAGIC, 18)
+#define ME4000_AI_EX_TRIG_DISABLE     _IO  (ME4000_MAGIC, 19)
+#define ME4000_AI_EX_TRIG_SETUP       _IOW (ME4000_MAGIC, 20, me4000_ai_trigger_t)
+#define ME4000_AI_CONFIG              _IOW (ME4000_MAGIC, 21, me4000_ai_config_t)
+#define ME4000_AI_SC_SETUP            _IOW (ME4000_MAGIC, 22, me4000_ai_sc_t)
+#define ME4000_AI_FSM_STATE           _IOR (ME4000_MAGIC, 23, int)
+
+#define ME4000_DIO_CONFIG             _IOW (ME4000_MAGIC, 24, me4000_dio_config_t)
+#define ME4000_DIO_GET_BYTE           _IOR (ME4000_MAGIC, 25, me4000_dio_byte_t)
+#define ME4000_DIO_SET_BYTE           _IOW (ME4000_MAGIC, 26, me4000_dio_byte_t)
+#define ME4000_DIO_RESET              _IO  (ME4000_MAGIC, 27)
+
+#define ME4000_CNT_READ               _IOR (ME4000_MAGIC, 28, me4000_cnt_t)
+#define ME4000_CNT_WRITE              _IOW (ME4000_MAGIC, 29, me4000_cnt_t)
+#define ME4000_CNT_CONFIG             _IOW (ME4000_MAGIC, 30, me4000_cnt_config_t)
+#define ME4000_CNT_RESET              _IO  (ME4000_MAGIC, 31)
+
+#define ME4000_EXT_INT_DISABLE        _IO  (ME4000_MAGIC, 32)
+#define ME4000_EXT_INT_ENABLE         _IO  (ME4000_MAGIC, 33)
+#define ME4000_EXT_INT_COUNT          _IOR (ME4000_MAGIC, 34, int)
+
+#define ME4000_AI_OFFSET_ENABLE       _IO  (ME4000_MAGIC, 35)
+#define ME4000_AI_OFFSET_DISABLE      _IO  (ME4000_MAGIC, 36)
+#define ME4000_AI_FULLSCALE_ENABLE    _IO  (ME4000_MAGIC, 37)
+#define ME4000_AI_FULLSCALE_DISABLE   _IO  (ME4000_MAGIC, 38)
+
+#define ME4000_AI_EEPROM_READ         _IOR (ME4000_MAGIC, 39, me4000_eeprom_t)
+#define ME4000_AI_EEPROM_WRITE        _IOW (ME4000_MAGIC, 40, me4000_eeprom_t)
+
+#define ME4000_AO_SIMULTANEOUS_EX_TRIG _IO  (ME4000_MAGIC, 41)
+#define ME4000_AO_SIMULTANEOUS_SW      _IO  (ME4000_MAGIC, 42)
+#define ME4000_AO_SIMULTANEOUS_DISABLE _IO  (ME4000_MAGIC, 43)
+#define ME4000_AO_SIMULTANEOUS_UPDATE  _IOW (ME4000_MAGIC, 44, me4000_ao_channel_list_t)
+
+#define ME4000_AO_SYNCHRONOUS_EX_TRIG  _IO  (ME4000_MAGIC, 45)
+#define ME4000_AO_SYNCHRONOUS_SW       _IO  (ME4000_MAGIC, 46)
+#define ME4000_AO_SYNCHRONOUS_DISABLE  _IO  (ME4000_MAGIC, 47)
+
+#define ME4000_AO_EX_TRIG_TIMEOUT      _IOW (ME4000_MAGIC, 48, unsigned long)
+#define ME4000_AO_GET_FREE_BUFFER      _IOR (ME4000_MAGIC, 49, unsigned long)
+
+#define ME4000_AI_GET_COUNT_BUFFER     _IOR (ME4000_MAGIC, 50, unsigned long)
+
+#endif
-- 
GitLab


From 866b8695d67e83f47194731d3a7ba55826a7ec70 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 15 Feb 2008 16:53:09 -0800
Subject: [PATCH 0343/2224] Staging: add the go7007 video driver

Todo:
	- checkpatch.pl cleanups
	- sparse cleanups
	- lots of little modules, should be merged together
	  and added to the build.
	- testing?
	- handle churn in v4l layer.

Many thanks to Ross Cohen <rcohen@snurgle.org> for cleanup patches on
this driver.

Cc: Ross Cohen <rcohen@snurgle.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                 |    2 +
 drivers/staging/Makefile                |    1 +
 drivers/staging/go7007/Kconfig          |   25 +
 drivers/staging/go7007/Makefile         |   18 +
 drivers/staging/go7007/README           |   11 +
 drivers/staging/go7007/go7007-driver.c  |  688 ++++++++++
 drivers/staging/go7007/go7007-fw.c      | 1639 +++++++++++++++++++++++
 drivers/staging/go7007/go7007-i2c.c     |  309 +++++
 drivers/staging/go7007/go7007-priv.h    |  279 ++++
 drivers/staging/go7007/go7007-usb.c     | 1229 +++++++++++++++++
 drivers/staging/go7007/go7007-v4l2.c    | 1503 +++++++++++++++++++++
 drivers/staging/go7007/go7007.h         |  114 ++
 drivers/staging/go7007/saa7134-go7007.c |  484 +++++++
 drivers/staging/go7007/snd-go7007.c     |  305 +++++
 drivers/staging/go7007/wis-i2c.h        |   55 +
 drivers/staging/go7007/wis-ov7640.c     |  131 ++
 drivers/staging/go7007/wis-saa7113.c    |  363 +++++
 drivers/staging/go7007/wis-saa7115.c    |  492 +++++++
 drivers/staging/go7007/wis-sony-tuner.c |  741 ++++++++++
 drivers/staging/go7007/wis-tw2804.c     |  381 ++++++
 drivers/staging/go7007/wis-tw9903.c     |  363 +++++
 drivers/staging/go7007/wis-uda1342.c    |  136 ++
 22 files changed, 9269 insertions(+)
 create mode 100644 drivers/staging/go7007/Kconfig
 create mode 100644 drivers/staging/go7007/Makefile
 create mode 100644 drivers/staging/go7007/README
 create mode 100644 drivers/staging/go7007/go7007-driver.c
 create mode 100644 drivers/staging/go7007/go7007-fw.c
 create mode 100644 drivers/staging/go7007/go7007-i2c.c
 create mode 100644 drivers/staging/go7007/go7007-priv.h
 create mode 100644 drivers/staging/go7007/go7007-usb.c
 create mode 100644 drivers/staging/go7007/go7007-v4l2.c
 create mode 100644 drivers/staging/go7007/go7007.h
 create mode 100644 drivers/staging/go7007/saa7134-go7007.c
 create mode 100644 drivers/staging/go7007/snd-go7007.c
 create mode 100644 drivers/staging/go7007/wis-i2c.h
 create mode 100644 drivers/staging/go7007/wis-ov7640.c
 create mode 100644 drivers/staging/go7007/wis-saa7113.c
 create mode 100644 drivers/staging/go7007/wis-saa7115.c
 create mode 100644 drivers/staging/go7007/wis-sony-tuner.c
 create mode 100644 drivers/staging/go7007/wis-tw2804.c
 create mode 100644 drivers/staging/go7007/wis-tw9903.c
 create mode 100644 drivers/staging/go7007/wis-uda1342.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 56c73bcf477..f16bc9cdaf3 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -31,4 +31,6 @@ source "drivers/staging/sxg/Kconfig"
 
 source "drivers/staging/me4000/Kconfig"
 
+source "drivers/staging/go7007/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 97df19be52d..aa61662e632 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -4,3 +4,4 @@ obj-$(CONFIG_ET131X)		+= et131x/
 obj-$(CONFIG_SLICOSS)		+= slicoss/
 obj-$(CONFIG_SXG)		+= sxg/
 obj-$(CONFIG_ME4000)		+= me4000/
+obj-$(CONFIG_VIDEO_GO7007)	+= go7007/
diff --git a/drivers/staging/go7007/Kconfig b/drivers/staging/go7007/Kconfig
new file mode 100644
index 00000000000..57a121c338c
--- /dev/null
+++ b/drivers/staging/go7007/Kconfig
@@ -0,0 +1,25 @@
+config VIDEO_GO7007
+	tristate "Go 7007 support"
+	depends on VIDEO_DEV && PCI && I2C && INPUT
+	select VIDEOBUF_DMA_SG
+	select VIDEO_IR
+	select VIDEO_TUNER
+	select VIDEO_TVEEPROM
+	select CRC32
+	default N
+	---help---
+	  This is a video4linux driver for some wierd device...
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called go7007
+
+config VIDEO_GO7007_USB
+	tristate "Go 7007 USB support"
+	depends on VIDEO_GO7007 && USB
+	default N
+	---help---
+	  This is a video4linux driver for some wierd device...
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called go7007-usb
+
diff --git a/drivers/staging/go7007/Makefile b/drivers/staging/go7007/Makefile
new file mode 100644
index 00000000000..9b9310cae1c
--- /dev/null
+++ b/drivers/staging/go7007/Makefile
@@ -0,0 +1,18 @@
+#obj-m += go7007.o go7007-usb.o snd-go7007.o wis-saa7115.o wis-tw9903.o \
+		wis-uda1342.o wis-sony-tuner.o wis-saa7113.o wis-ov7640.o \
+		wis-tw2804.o
+
+
+obj-$(CONFIG_VIDEO_GO7007) += go7007.o
+obj-$(CONFIG_VIDEO_GO7007_USB) += go7007-usb.o
+
+go7007-objs += go7007-v4l2.o go7007-driver.o go7007-i2c.o go7007-fw.o snd-go7007.o
+
+
+#ifneq ($(SAA7134_BUILD),)
+#obj-m += saa7134-go7007.o
+#endif
+
+EXTRA_CFLAGS += -Idrivers/staging/saa7134
+EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
diff --git a/drivers/staging/go7007/README b/drivers/staging/go7007/README
new file mode 100644
index 00000000000..48f44763781
--- /dev/null
+++ b/drivers/staging/go7007/README
@@ -0,0 +1,11 @@
+Todo:
+	- checkpatch.pl cleanups
+	- sparse cleanups
+	- lots of little modules, should be merged together
+	  and added to the build.
+	- testing?
+	- handle churn in v4l layer.
+
+Please send patchs to Greg Kroah-Hartman <greg@kroah.com> and Cc: Ross
+Cohen <rcohen@snurgle.org> as well.
+
diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c
new file mode 100644
index 00000000000..5a336ff2d9b
--- /dev/null
+++ b/drivers/staging/go7007/go7007-driver.c
@@ -0,0 +1,688 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/unistd.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/firmware.h>
+#include <linux/semaphore.h>
+#include <linux/uaccess.h>
+#include <asm/system.h>
+#include <linux/videodev.h>
+#include <media/tuner.h>
+#include <media/v4l2-common.h>
+
+#include "go7007-priv.h"
+#include "wis-i2c.h"
+
+/*
+ * Wait for an interrupt to be delivered from the GO7007SB and return
+ * the associated value and data.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data)
+{
+	go->interrupt_available = 0;
+	go->hpi_ops->read_interrupt(go);
+	if (wait_event_timeout(go->interrupt_waitq,
+				go->interrupt_available, 5*HZ) < 0) {
+		printk(KERN_ERR "go7007: timeout waiting for read interrupt\n");
+		return -1;
+	}
+	if (!go->interrupt_available)
+		return -1;
+	go->interrupt_available = 0;
+	*value = go->interrupt_value & 0xfffe;
+	*data = go->interrupt_data;
+	return 0;
+}
+EXPORT_SYMBOL(go7007_read_interrupt);
+
+/*
+ * Read a register/address on the GO7007SB.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data)
+{
+	int count = 100;
+	u16 value;
+
+	if (go7007_write_interrupt(go, 0x0010, addr) < 0)
+		return -EIO;
+	while (count-- > 0) {
+		if (go7007_read_interrupt(go, &value, data) == 0 &&
+				value == 0xa000)
+			return 0;
+	}
+	return -EIO;
+}
+EXPORT_SYMBOL(go7007_read_addr);
+
+/*
+ * Send the boot firmware to the encoder, which just wakes it up and lets
+ * us talk to the GPIO pins and on-board I2C adapter.
+ *
+ * Must be called with the hw_lock held.
+ */
+static int go7007_load_encoder(struct go7007 *go)
+{
+	const struct firmware *fw_entry;
+	char fw_name[] = "go7007fw.bin";
+	void *bounce;
+	int fw_len, rv = 0;
+	u16 intr_val, intr_data;
+
+	if (request_firmware(&fw_entry, fw_name, go->dev)) {
+		printk(KERN_ERR
+			"go7007: unable to load firmware from file \"%s\"\n",
+			fw_name);
+		return -1;
+	}
+	if (fw_entry->size < 16 || memcmp(fw_entry->data, "WISGO7007FW", 11)) {
+		printk(KERN_ERR "go7007: file \"%s\" does not appear to be "
+				"go7007 firmware\n", fw_name);
+		release_firmware(fw_entry);
+		return -1;
+	}
+	fw_len = fw_entry->size - 16;
+	bounce = kmalloc(fw_len, GFP_KERNEL);
+	if (bounce == NULL) {
+		printk(KERN_ERR "go7007: unable to allocate %d bytes for "
+				"firmware transfer\n", fw_len);
+		release_firmware(fw_entry);
+		return -1;
+	}
+	memcpy(bounce, fw_entry->data + 16, fw_len);
+	release_firmware(fw_entry);
+	if (go7007_interface_reset(go) < 0 ||
+			go7007_send_firmware(go, bounce, fw_len) < 0 ||
+			go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
+			(intr_val & ~0x1) != 0x5a5a) {
+		printk(KERN_ERR "go7007: error transferring firmware\n");
+		rv = -1;
+	}
+	kfree(bounce);
+	return rv;
+}
+
+/*
+ * Boot the encoder and register the I2C adapter if requested.  Do the
+ * minimum initialization necessary, since the board-specific code may
+ * still need to probe the board ID.
+ *
+ * Must NOT be called with the hw_lock held.
+ */
+int go7007_boot_encoder(struct go7007 *go, int init_i2c)
+{
+	int ret;
+
+	down(&go->hw_lock);
+	ret = go7007_load_encoder(go);
+	up(&go->hw_lock);
+	if (ret < 0)
+		return -1;
+	if (!init_i2c)
+		return 0;
+	if (go7007_i2c_init(go) < 0)
+		return -1;
+	go->i2c_adapter_online = 1;
+	return 0;
+}
+EXPORT_SYMBOL(go7007_boot_encoder);
+
+/*
+ * Configure any hardware-related registers in the GO7007, such as GPIO
+ * pins and bus parameters, which are board-specific.  This assumes
+ * the boot firmware has already been downloaded.
+ *
+ * Must be called with the hw_lock held.
+ */
+static int go7007_init_encoder(struct go7007 *go)
+{
+	if (go->board_info->audio_flags & GO7007_AUDIO_I2S_MASTER) {
+		go7007_write_addr(go, 0x1000, 0x0811);
+		go7007_write_addr(go, 0x1000, 0x0c11);
+	}
+	if (go->board_id == GO7007_BOARDID_MATRIX_REV) {
+		/* Set GPIO pin 0 to be an output (audio clock control) */
+		go7007_write_addr(go, 0x3c82, 0x0001);
+		go7007_write_addr(go, 0x3c80, 0x00fe);
+	}
+	return 0;
+}
+
+/*
+ * Send the boot firmware to the GO7007 and configure the registers.  This
+ * is the only way to stop the encoder once it has started streaming video.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_reset_encoder(struct go7007 *go)
+{
+	if (go7007_load_encoder(go) < 0)
+		return -1;
+	return go7007_init_encoder(go);
+}
+
+/*
+ * Attempt to instantiate an I2C client by ID, probably loading a module.
+ */
+static int init_i2c_module(struct i2c_adapter *adapter, int id, int addr)
+{
+	char *modname;
+
+	switch (id) {
+	case I2C_DRIVERID_WIS_SAA7115:
+		modname = "wis-saa7115";
+		break;
+	case I2C_DRIVERID_WIS_SAA7113:
+		modname = "wis-saa7113";
+		break;
+	case I2C_DRIVERID_WIS_UDA1342:
+		modname = "wis-uda1342";
+		break;
+	case I2C_DRIVERID_WIS_SONY_TUNER:
+		modname = "wis-sony-tuner";
+		break;
+	case I2C_DRIVERID_WIS_TW9903:
+		modname = "wis-tw9903";
+		break;
+	case I2C_DRIVERID_WIS_TW2804:
+		modname = "wis-tw2804";
+		break;
+	case I2C_DRIVERID_WIS_OV7640:
+		modname = "wis-ov7640";
+		break;
+	default:
+		modname = NULL;
+		break;
+	}
+	if (modname != NULL)
+		request_module(modname);
+	if (wis_i2c_probe_device(adapter, id, addr) == 1)
+		return 0;
+	if (modname != NULL)
+		printk(KERN_INFO
+			"go7007: probing for module %s failed", modname);
+	else
+		printk(KERN_INFO
+			"go7007: sensor %u seems to be unsupported!\n", id);
+	return -1;
+}
+
+/*
+ * Finalize the GO7007 hardware setup, register the on-board I2C adapter
+ * (if used on this board), load the I2C client driver for the sensor
+ * (SAA7115 or whatever) and other devices, and register the ALSA and V4L2
+ * interfaces.
+ *
+ * Must NOT be called with the hw_lock held.
+ */
+int go7007_register_encoder(struct go7007 *go)
+{
+	int i, ret;
+
+	printk(KERN_INFO "go7007: registering new %s\n", go->name);
+
+	down(&go->hw_lock);
+	ret = go7007_init_encoder(go);
+	up(&go->hw_lock);
+	if (ret < 0)
+		return -1;
+
+	if (!go->i2c_adapter_online &&
+			go->board_info->flags & GO7007_BOARD_USE_ONBOARD_I2C) {
+		if (go7007_i2c_init(go) < 0)
+			return -1;
+		go->i2c_adapter_online = 1;
+	}
+	if (go->i2c_adapter_online) {
+		for (i = 0; i < go->board_info->num_i2c_devs; ++i)
+			init_i2c_module(&go->i2c_adapter,
+					go->board_info->i2c_devs[i].id,
+					go->board_info->i2c_devs[i].addr);
+#ifdef TUNER_SET_TYPE_ADDR
+		if (go->tuner_type >= 0) {
+			struct tuner_setup tun_setup = {
+				.mode_mask	= T_ANALOG_TV,
+				.addr		= ADDR_UNSET,
+				.type		= go->tuner_type
+			};
+			i2c_clients_command(&go->i2c_adapter,
+				TUNER_SET_TYPE_ADDR, &tun_setup);
+		}
+#else
+		if (go->tuner_type >= 0)
+			i2c_clients_command(&go->i2c_adapter,
+				TUNER_SET_TYPE, &go->tuner_type);
+#endif
+		if (go->board_id == GO7007_BOARDID_ADLINK_MPG24)
+			i2c_clients_command(&go->i2c_adapter,
+				DECODER_SET_CHANNEL, &go->channel_number);
+	}
+	if (go->board_info->flags & GO7007_BOARD_HAS_AUDIO) {
+		go->audio_enabled = 1;
+		go7007_snd_init(go);
+	}
+	return go7007_v4l2_init(go);
+}
+EXPORT_SYMBOL(go7007_register_encoder);
+
+/*
+ * Send the encode firmware to the encoder, which will cause it
+ * to immediately start delivering the video and audio streams.
+ *
+ * Must be called with the hw_lock held.
+ */
+int go7007_start_encoder(struct go7007 *go)
+{
+	u8 *fw;
+	int fw_len, rv = 0, i;
+	u16 intr_val, intr_data;
+
+	go->modet_enable = 0;
+	if (!go->dvd_mode)
+		for (i = 0; i < 4; ++i) {
+			if (go->modet[i].enable) {
+				go->modet_enable = 1;
+				continue;
+			}
+			go->modet[i].pixel_threshold = 32767;
+			go->modet[i].motion_threshold = 32767;
+			go->modet[i].mb_threshold = 32767;
+		}
+
+	if (go7007_construct_fw_image(go, &fw, &fw_len) < 0)
+		return -1;
+
+	if (go7007_send_firmware(go, fw, fw_len) < 0 ||
+			go7007_read_interrupt(go, &intr_val, &intr_data) < 0) {
+		printk(KERN_ERR "go7007: error transferring firmware\n");
+		rv = -1;
+		goto start_error;
+	}
+
+	go->state = STATE_DATA;
+	go->parse_length = 0;
+	go->seen_frame = 0;
+	if (go7007_stream_start(go) < 0) {
+		printk(KERN_ERR "go7007: error starting stream transfer\n");
+		rv = -1;
+		goto start_error;
+	}
+
+start_error:
+	kfree(fw);
+	return rv;
+}
+
+/*
+ * Store a byte in the current video buffer, if there is one.
+ */
+static inline void store_byte(struct go7007_buffer *gobuf, u8 byte)
+{
+	if (gobuf != NULL && gobuf->bytesused < GO7007_BUF_SIZE) {
+		unsigned int pgidx = gobuf->offset >> PAGE_SHIFT;
+		unsigned int pgoff = gobuf->offset & ~PAGE_MASK;
+
+		*((u8 *)page_address(gobuf->pages[pgidx]) + pgoff) = byte;
+		++gobuf->offset;
+		++gobuf->bytesused;
+	}
+}
+
+/*
+ * Deliver the last video buffer and get a new one to start writing to.
+ */
+static void frame_boundary(struct go7007 *go)
+{
+	struct go7007_buffer *gobuf;
+	int i;
+
+	if (go->active_buf) {
+		if (go->active_buf->modet_active) {
+			if (go->active_buf->bytesused + 216 < GO7007_BUF_SIZE) {
+				for (i = 0; i < 216; ++i)
+					store_byte(go->active_buf,
+							go->active_map[i]);
+				go->active_buf->bytesused -= 216;
+			} else
+				go->active_buf->modet_active = 0;
+		}
+		go->active_buf->state = BUF_STATE_DONE;
+		wake_up_interruptible(&go->frame_waitq);
+		go->active_buf = NULL;
+	}
+	list_for_each_entry(gobuf, &go->stream, stream)
+		if (gobuf->state == BUF_STATE_QUEUED) {
+			gobuf->seq = go->next_seq;
+			do_gettimeofday(&gobuf->timestamp);
+			go->active_buf = gobuf;
+			break;
+		}
+	++go->next_seq;
+}
+
+static void write_bitmap_word(struct go7007 *go)
+{
+	int x, y, i, stride = ((go->width >> 4) + 7) >> 3;
+
+	for (i = 0; i < 16; ++i) {
+		y = (((go->parse_length - 1) << 3) + i) / (go->width >> 4);
+		x = (((go->parse_length - 1) << 3) + i) % (go->width >> 4);
+		go->active_map[stride * y + (x >> 3)] |=
+					(go->modet_word & 1) << (x & 0x7);
+		go->modet_word >>= 1;
+	}
+}
+
+/*
+ * Parse a chunk of the video stream into frames.  The frames are not
+ * delimited by the hardware, so we have to parse the frame boundaries
+ * based on the type of video stream we're receiving.
+ */
+void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length)
+{
+	int i, seq_start_code = -1, frame_start_code = -1;
+
+	spin_lock(&go->spinlock);
+
+	switch (go->format) {
+	case GO7007_FORMAT_MPEG4:
+		seq_start_code = 0xB0;
+		frame_start_code = 0xB6;
+		break;
+	case GO7007_FORMAT_MPEG1:
+	case GO7007_FORMAT_MPEG2:
+		seq_start_code = 0xB3;
+		frame_start_code = 0x00;
+		break;
+	}
+
+	for (i = 0; i < length; ++i) {
+		if (go->active_buf != NULL &&
+			    go->active_buf->bytesused >= GO7007_BUF_SIZE - 3) {
+			printk(KERN_DEBUG "go7007: dropping oversized frame\n");
+			go->active_buf->offset -= go->active_buf->bytesused;
+			go->active_buf->bytesused = 0;
+			go->active_buf->modet_active = 0;
+			go->active_buf = NULL;
+		}
+
+		switch (go->state) {
+		case STATE_DATA:
+			switch (buf[i]) {
+			case 0x00:
+				go->state = STATE_00;
+				break;
+			case 0xFF:
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(go->active_buf, buf[i]);
+				break;
+			}
+			break;
+		case STATE_00:
+			switch (buf[i]) {
+			case 0x00:
+				go->state = STATE_00_00;
+				break;
+			case 0xFF:
+				store_byte(go->active_buf, 0x00);
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_00_00:
+			switch (buf[i]) {
+			case 0x00:
+				store_byte(go->active_buf, 0x00);
+				/* go->state remains STATE_00_00 */
+				break;
+			case 0x01:
+				go->state = STATE_00_00_01;
+				break;
+			case 0xFF:
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, 0x00);
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_00_00_01:
+			/* If this is the start of a new MPEG frame,
+			 * get a new buffer */
+			if ((go->format == GO7007_FORMAT_MPEG1 ||
+					go->format == GO7007_FORMAT_MPEG2 ||
+					go->format == GO7007_FORMAT_MPEG4) &&
+					(buf[i] == seq_start_code ||
+						buf[i] == 0xB8 || /* GOP code */
+						buf[i] == frame_start_code)) {
+				if (go->active_buf == NULL || go->seen_frame)
+					frame_boundary(go);
+				if (buf[i] == frame_start_code) {
+					if (go->active_buf != NULL)
+						go->active_buf->frame_offset =
+							go->active_buf->offset;
+					go->seen_frame = 1;
+				} else {
+					go->seen_frame = 0;
+				}
+			}
+			/* Handle any special chunk types, or just write the
+			 * start code to the (potentially new) buffer */
+			switch (buf[i]) {
+			case 0xF5: /* timestamp */
+				go->parse_length = 12;
+				go->state = STATE_UNPARSED;
+				break;
+			case 0xF6: /* vbi */
+				go->state = STATE_VBI_LEN_A;
+				break;
+			case 0xF8: /* MD map */
+				go->parse_length = 0;
+				memset(go->active_map, 0,
+						sizeof(go->active_map));
+				go->state = STATE_MODET_MAP;
+				break;
+			case 0xFF: /* Potential JPEG start code */
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, 0x01);
+				go->state = STATE_FF;
+				break;
+			default:
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, 0x00);
+				store_byte(go->active_buf, 0x01);
+				store_byte(go->active_buf, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_FF:
+			switch (buf[i]) {
+			case 0x00:
+				store_byte(go->active_buf, 0xFF);
+				go->state = STATE_00;
+				break;
+			case 0xFF:
+				store_byte(go->active_buf, 0xFF);
+				/* go->state remains STATE_FF */
+				break;
+			case 0xD8:
+				if (go->format == GO7007_FORMAT_MJPEG)
+					frame_boundary(go);
+				/* fall through */
+			default:
+				store_byte(go->active_buf, 0xFF);
+				store_byte(go->active_buf, buf[i]);
+				go->state = STATE_DATA;
+				break;
+			}
+			break;
+		case STATE_VBI_LEN_A:
+			go->parse_length = buf[i] << 8;
+			go->state = STATE_VBI_LEN_B;
+			break;
+		case STATE_VBI_LEN_B:
+			go->parse_length |= buf[i];
+			if (go->parse_length > 0)
+				go->state = STATE_UNPARSED;
+			else
+				go->state = STATE_DATA;
+			break;
+		case STATE_MODET_MAP:
+			if (go->parse_length < 204) {
+				if (go->parse_length & 1) {
+					go->modet_word |= buf[i];
+					write_bitmap_word(go);
+				} else
+					go->modet_word = buf[i] << 8;
+			} else if (go->parse_length == 207 && go->active_buf) {
+				go->active_buf->modet_active = buf[i];
+			}
+			if (++go->parse_length == 208)
+				go->state = STATE_DATA;
+			break;
+		case STATE_UNPARSED:
+			if (--go->parse_length == 0)
+				go->state = STATE_DATA;
+			break;
+		}
+	}
+
+	spin_unlock(&go->spinlock);
+}
+EXPORT_SYMBOL(go7007_parse_video_stream);
+
+/*
+ * Allocate a new go7007 struct.  Used by the hardware-specific probe.
+ */
+struct go7007 *go7007_alloc(struct go7007_board_info *board, struct device *dev)
+{
+	struct go7007 *go;
+	int i;
+
+	go = kmalloc(sizeof(struct go7007), GFP_KERNEL);
+	if (go == NULL)
+		return NULL;
+	go->dev = dev;
+	go->board_info = board;
+	go->board_id = 0;
+	go->tuner_type = -1;
+	go->channel_number = 0;
+	go->name[0] = 0;
+	init_MUTEX(&go->hw_lock);
+	init_waitqueue_head(&go->frame_waitq);
+	spin_lock_init(&go->spinlock);
+	go->video_dev = NULL;
+	go->ref_count = 0;
+	go->status = STATUS_INIT;
+	memset(&go->i2c_adapter, 0, sizeof(go->i2c_adapter));
+	go->i2c_adapter_online = 0;
+	go->interrupt_available = 0;
+	init_waitqueue_head(&go->interrupt_waitq);
+	go->in_use = 0;
+	go->input = 0;
+	if (board->sensor_flags & GO7007_SENSOR_TV) {
+		go->standard = GO7007_STD_NTSC;
+		go->width = 720;
+		go->height = 480;
+		go->sensor_framerate = 30000;
+	} else {
+		go->standard = GO7007_STD_OTHER;
+		go->width = board->sensor_width;
+		go->height = board->sensor_height;
+		go->sensor_framerate = board->sensor_framerate;
+	}
+	go->encoder_v_offset = board->sensor_v_offset;
+	go->encoder_h_offset = board->sensor_h_offset;
+	go->encoder_h_halve = 0;
+	go->encoder_v_halve = 0;
+	go->encoder_subsample = 0;
+	go->streaming = 0;
+	go->format = GO7007_FORMAT_MJPEG;
+	go->bitrate = 1500000;
+	go->fps_scale = 1;
+	go->pali = 0;
+	go->aspect_ratio = GO7007_RATIO_1_1;
+	go->gop_size = 0;
+	go->ipb = 0;
+	go->closed_gop = 0;
+	go->repeat_seqhead = 0;
+	go->seq_header_enable = 0;
+	go->gop_header_enable = 0;
+	go->dvd_mode = 0;
+	go->interlace_coding = 0;
+	for (i = 0; i < 4; ++i)
+		go->modet[i].enable = 0;;
+	for (i = 0; i < 1624; ++i)
+		go->modet_map[i] = 0;
+	go->audio_deliver = NULL;
+	go->audio_enabled = 0;
+	INIT_LIST_HEAD(&go->stream);
+
+	return go;
+}
+EXPORT_SYMBOL(go7007_alloc);
+
+/*
+ * Detach and unregister the encoder.  The go7007 struct won't be freed
+ * until v4l2 finishes releasing its resources and all associated fds are
+ * closed by applications.
+ */
+void go7007_remove(struct go7007 *go)
+{
+	if (go->i2c_adapter_online) {
+		if (i2c_del_adapter(&go->i2c_adapter) == 0)
+			go->i2c_adapter_online = 0;
+		else
+			printk(KERN_ERR
+				"go7007: error removing I2C adapter!\n");
+	}
+
+	if (go->audio_enabled)
+		go7007_snd_remove(go);
+	go7007_v4l2_remove(go);
+}
+EXPORT_SYMBOL(go7007_remove);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/go7007-fw.c b/drivers/staging/go7007/go7007-fw.c
new file mode 100644
index 00000000000..c2aea1020b0
--- /dev/null
+++ b/drivers/staging/go7007/go7007-fw.c
@@ -0,0 +1,1639 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+/*
+ * This file contains code to generate a firmware image for the GO7007SB
+ * encoder.  Much of the firmware is read verbatim from a file, but some of
+ * it concerning bitrate control and other things that can be configured at
+ * run-time are generated dynamically.  Note that the format headers
+ * generated here do not affect the functioning of the encoder; they are
+ * merely parroted back to the host at the start of each frame.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/firmware.h>
+#include <asm/byteorder.h>
+
+#include "go7007-priv.h"
+
+/* Constants used in the source firmware image to describe code segments */
+
+#define	FLAG_MODE_MJPEG		(1)
+#define	FLAG_MODE_MPEG1		(1<<1)
+#define	FLAG_MODE_MPEG2		(1<<2)
+#define	FLAG_MODE_MPEG4		(1<<3)
+#define	FLAG_MODE_H263		(1<<4)
+#define FLAG_MODE_ALL		(FLAG_MODE_MJPEG | FLAG_MODE_MPEG1 | \
+					FLAG_MODE_MPEG2 | FLAG_MODE_MPEG4 | \
+					FLAG_MODE_H263)
+#define FLAG_SPECIAL		(1<<8)
+
+#define SPECIAL_FRM_HEAD	0
+#define SPECIAL_BRC_CTRL	1
+#define SPECIAL_CONFIG		2
+#define SPECIAL_SEQHEAD		3
+#define SPECIAL_AV_SYNC		4
+#define SPECIAL_FINAL		5
+#define SPECIAL_AUDIO		6
+#define SPECIAL_MODET		7
+
+/* Little data class for creating MPEG headers bit-by-bit */
+
+struct code_gen {
+	unsigned char *p; /* destination */
+	u32 a; /* collects bits at the top of the variable */
+	int b; /* bit position of most recently-written bit */
+	int len; /* written out so far */
+};
+
+#define CODE_GEN(name, dest) struct code_gen name = { dest, 0, 32, 0 }
+
+#define CODE_ADD(name, val, length) do { \
+	name.b -= (length); \
+	name.a |= (val) << name.b; \
+	while (name.b <= 24) { \
+		*name.p = name.a >> 24; \
+		++name.p; \
+		name.a <<= 8; \
+		name.b += 8; \
+		name.len += 8; \
+	} \
+} while (0)
+
+#define CODE_LENGTH(name) (name.len + (32 - name.b))
+
+/* Tables for creating the bitrate control data */
+
+static const s16 converge_speed_ip[101] = {
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
+	2, 2, 2, 2, 2, 2, 2, 2, 2, 3,
+	3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
+	5, 5, 5, 6, 6, 6, 7, 7, 8, 8,
+	9, 10, 10, 11, 12, 13, 14, 15, 16, 17,
+	19, 20, 22, 23, 25, 27, 30, 32, 35, 38,
+	41, 45, 49, 53, 58, 63, 69, 76, 83, 91,
+	100
+};
+
+static const s16 converge_speed_ipb[101] = {
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 3, 4, 4, 4, 4, 4,
+	4, 4, 4, 4, 5, 5, 5, 5, 5, 6,
+	6, 6, 6, 7, 7, 7, 7, 8, 8, 9,
+	9, 9, 10, 10, 11, 12, 12, 13, 14, 14,
+	15, 16, 17, 18, 19, 20, 22, 23, 25, 26,
+	28, 30, 32, 34, 37, 40, 42, 46, 49, 53,
+	57, 61, 66, 71, 77, 83, 90, 97, 106, 115,
+	125, 135, 147, 161, 175, 191, 209, 228, 249, 273,
+	300
+};
+
+static const s16 LAMBDA_table[4][101] = {
+	{	16, 16, 16, 16, 17, 17, 17, 18, 18, 18,
+		19, 19, 19, 20, 20, 20, 21, 21, 22, 22,
+		22, 23, 23, 24, 24, 25, 25, 25, 26, 26,
+		27, 27, 28, 28, 29, 29, 30, 31, 31, 32,
+		32, 33, 33, 34, 35, 35, 36, 37, 37, 38,
+		39, 39, 40, 41, 42, 42, 43, 44, 45, 46,
+		46, 47, 48, 49, 50, 51, 52, 53, 54, 55,
+		56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
+		67, 68, 69, 70, 72, 73, 74, 76, 77, 78,
+		80, 81, 83, 84, 86, 87, 89, 90, 92, 94,
+		96
+	},
+	{
+		20, 20, 20, 21, 21, 21, 22, 22, 23, 23,
+		23, 24, 24, 25, 25, 26, 26, 27, 27, 28,
+		28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
+		34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
+		40, 41, 42, 43, 43, 44, 45, 46, 47, 48,
+		48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
+		58, 59, 60, 61, 62, 64, 65, 66, 67, 68,
+		70, 71, 72, 73, 75, 76, 78, 79, 80, 82,
+		83, 85, 86, 88, 90, 91, 93, 95, 96, 98,
+		100, 102, 103, 105, 107, 109, 111, 113, 115, 117,
+		120
+	},
+	{
+		24, 24, 24, 25, 25, 26, 26, 27, 27, 28,
+		28, 29, 29, 30, 30, 31, 31, 32, 33, 33,
+		34, 34, 35, 36, 36, 37, 38, 38, 39, 40,
+		41, 41, 42, 43, 44, 44, 45, 46, 47, 48,
+		49, 50, 50, 51, 52, 53, 54, 55, 56, 57,
+		58, 59, 60, 62, 63, 64, 65, 66, 67, 69,
+		70, 71, 72, 74, 75, 76, 78, 79, 81, 82,
+		84, 85, 87, 88, 90, 92, 93, 95, 97, 98,
+		100, 102, 104, 106, 108, 110, 112, 114, 116, 118,
+		120, 122, 124, 127, 129, 131, 134, 136, 138, 141,
+		144
+	},
+	{
+		32, 32, 33, 33, 34, 34, 35, 36, 36, 37,
+		38, 38, 39, 40, 41, 41, 42, 43, 44, 44,
+		45, 46, 47, 48, 49, 50, 50, 51, 52, 53,
+		54, 55, 56, 57, 58, 59, 60, 62, 63, 64,
+		65, 66, 67, 69, 70, 71, 72, 74, 75, 76,
+		78, 79, 81, 82, 84, 85, 87, 88, 90, 92,
+		93, 95, 97, 98, 100, 102, 104, 106, 108, 110,
+		112, 114, 116, 118, 120, 122, 124, 127, 129, 131,
+		134, 136, 139, 141, 144, 146, 149, 152, 154, 157,
+		160, 163, 166, 169, 172, 175, 178, 181, 185, 188,
+		192
+	}
+};
+
+/* MPEG blank frame generation tables */
+
+enum mpeg_frame_type {
+	PFRAME,
+	BFRAME_PRE,
+	BFRAME_POST,
+	BFRAME_BIDIR,
+	BFRAME_EMPTY
+};
+
+static const u32 addrinctab[33][2] = {
+	{ 0x01, 1 },	{ 0x03, 3 },	{ 0x02, 3 },	{ 0x03, 4 },
+	{ 0x02, 4 },	{ 0x03, 5 },	{ 0x02, 5 },	{ 0x07, 7 },
+	{ 0x06, 7 },	{ 0x0b, 8 },	{ 0x0a, 8 },	{ 0x09, 8 },
+	{ 0x08, 8 },	{ 0x07, 8 },	{ 0x06, 8 },	{ 0x17, 10 },
+	{ 0x16, 10 },	{ 0x15, 10 },	{ 0x14, 10 },	{ 0x13, 10 },
+	{ 0x12, 10 },	{ 0x23, 11 },	{ 0x22, 11 },	{ 0x21, 11 },
+	{ 0x20, 11 },	{ 0x1f, 11 },	{ 0x1e, 11 },	{ 0x1d, 11 },
+	{ 0x1c, 11 },	{ 0x1b, 11 },	{ 0x1a, 11 },	{ 0x19, 11 },
+	{ 0x18, 11 }
+};
+
+/* Standard JPEG tables */
+
+static const u8 default_intra_quant_table[] = {
+	 8, 16, 19, 22, 26, 27, 29, 34,
+	16, 16, 22, 24, 27, 29, 34, 37,
+	19, 22, 26, 27, 29, 34, 34, 38,
+	22, 22, 26, 27, 29, 34, 37, 40,
+	22, 26, 27, 29, 32, 35, 40, 48,
+	26, 27, 29, 32, 35, 40, 48, 58,
+	26, 27, 29, 34, 38, 46, 56, 69,
+	27, 29, 35, 38, 46, 56, 69, 83
+};
+
+static const u8 bits_dc_luminance[] = {
+	0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const u8 val_dc_luminance[] = {
+	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
+};
+
+static const u8 bits_dc_chrominance[] = {
+	0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0
+};
+
+static const u8 val_dc_chrominance[] = {
+	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
+};
+
+static const u8 bits_ac_luminance[] = {
+	0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d
+};
+
+static const u8 val_ac_luminance[] = {
+	0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
+	0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
+	0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
+	0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
+	0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
+	0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
+	0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
+	0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
+	0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
+	0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+	0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
+	0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+	0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
+	0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+	0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
+	0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
+	0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
+	0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
+	0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
+	0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+	0xf9, 0xfa
+};
+
+static const u8 bits_ac_chrominance[] = {
+	0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77
+};
+
+static const u8 val_ac_chrominance[] = {
+	0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
+	0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
+	0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
+	0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
+	0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
+	0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
+	0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
+	0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
+	0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
+	0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+	0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+	0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+	0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
+	0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
+	0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
+	0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
+	0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
+	0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
+	0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
+	0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
+	0xf9, 0xfa
+};
+
+/* Zig-zag mapping for quant table
+ *
+ * OK, let's do this mapping on the actual table above so it doesn't have
+ * to be done on the fly.
+ */
+static const int zz[64] = {
+	0,   1,  8, 16,  9,  2,  3, 10, 17, 24, 32, 25, 18, 11,  4,  5,
+	12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13,  6,  7, 14, 21, 28,
+	35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
+	58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
+};
+
+static int copy_packages(u16 *dest, u16 *src, int pkg_cnt, int space)
+{
+	int i, cnt = pkg_cnt * 32;
+
+	if (space < cnt)
+		return -1;
+
+	for (i = 0; i < cnt; ++i)
+		dest[i] = __cpu_to_le16(src[i]);
+
+	return cnt;
+}
+
+static int mjpeg_frame_header(struct go7007 *go, unsigned char *buf, int q)
+{
+	int i, p = 0;
+
+	buf[p++] = 0xff;
+	buf[p++] = 0xd8;
+	buf[p++] = 0xff;
+	buf[p++] = 0xdb;
+	buf[p++] = 0;
+	buf[p++] = 2 + 65;
+	buf[p++] = 0;
+	buf[p++] = default_intra_quant_table[0];
+	for (i = 1; i < 64; ++i)
+		/* buf[p++] = (default_intra_quant_table[i] * q) >> 3; */
+		buf[p++] = (default_intra_quant_table[zz[i]] * q) >> 3;
+	buf[p++] = 0xff;
+	buf[p++] = 0xc0;
+	buf[p++] = 0;
+	buf[p++] = 17;
+	buf[p++] = 8;
+	buf[p++] = go->height >> 8;
+	buf[p++] = go->height & 0xff;
+	buf[p++] = go->width >> 8;
+	buf[p++] = go->width & 0xff;
+	buf[p++] = 3;
+	buf[p++] = 1;
+	buf[p++] = 0x22;
+	buf[p++] = 0;
+	buf[p++] = 2;
+	buf[p++] = 0x11;
+	buf[p++] = 0;
+	buf[p++] = 3;
+	buf[p++] = 0x11;
+	buf[p++] = 0;
+	buf[p++] = 0xff;
+	buf[p++] = 0xc4;
+	buf[p++] = 418 >> 8;
+	buf[p++] = 418 & 0xff;
+	buf[p++] = 0x00;
+	memcpy(buf + p, bits_dc_luminance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_dc_luminance, sizeof(val_dc_luminance));
+	p += sizeof(val_dc_luminance);
+	buf[p++] = 0x01;
+	memcpy(buf + p, bits_dc_chrominance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_dc_chrominance, sizeof(val_dc_chrominance));
+	p += sizeof(val_dc_chrominance);
+	buf[p++] = 0x10;
+	memcpy(buf + p, bits_ac_luminance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_ac_luminance, sizeof(val_ac_luminance));
+	p += sizeof(val_ac_luminance);
+	buf[p++] = 0x11;
+	memcpy(buf + p, bits_ac_chrominance + 1, 16);
+	p += 16;
+	memcpy(buf + p, val_ac_chrominance, sizeof(val_ac_chrominance));
+	p += sizeof(val_ac_chrominance);
+	buf[p++] = 0xff;
+	buf[p++] = 0xda;
+	buf[p++] = 0;
+	buf[p++] = 12;
+	buf[p++] = 3;
+	buf[p++] = 1;
+	buf[p++] = 0x00;
+	buf[p++] = 2;
+	buf[p++] = 0x11;
+	buf[p++] = 3;
+	buf[p++] = 0x11;
+	buf[p++] = 0;
+	buf[p++] = 63;
+	buf[p++] = 0;
+	return p;
+}
+
+static int gen_mjpeghdr_to_package(struct go7007 *go, u16 *code, int space)
+{
+	u8 *buf;
+	u16 mem = 0x3e00;
+	unsigned int addr = 0x19;
+	int size = 0, i, off = 0, chunk;
+
+	buf = kmalloc(4096, GFP_KERNEL);
+	if (buf == NULL) {
+		printk(KERN_ERR "go7007: unable to allocate 4096 bytes for "
+				"firmware construction\n");
+		return -1;
+	}
+	memset(buf, 0, 4096);
+
+	for (i = 1; i < 32; ++i) {
+		mjpeg_frame_header(go, buf + size, i);
+		size += 80;
+	}
+	chunk = mjpeg_frame_header(go, buf + size, 1);
+	memmove(buf + size, buf + size + 80, chunk - 80);
+	size += chunk - 80;
+
+	for (i = 0; i < size; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > size)
+			chunk = (size - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr++);
+			mem = 0x3e00;
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+done:
+	kfree(buf);
+	return off;
+}
+
+static int mpeg1_frame_header(struct go7007 *go, unsigned char *buf,
+		int modulo, int pict_struct, enum mpeg_frame_type frame)
+{
+	int i, j, mb_code, mb_len;
+	int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
+	CODE_GEN(c, buf + 6);
+
+	switch (frame) {
+	case PFRAME:
+		mb_code = 0x1;
+		mb_len = 3;
+		break;
+	case BFRAME_PRE:
+		mb_code = 0x2;
+		mb_len = 4;
+		break;
+	case BFRAME_POST:
+		mb_code = 0x2;
+		mb_len = 3;
+		break;
+	case BFRAME_BIDIR:
+		mb_code = 0x2;
+		mb_len = 2;
+		break;
+	default: /* keep the compiler happy */
+		mb_code = mb_len = 0;
+		break;
+	}
+
+	CODE_ADD(c, frame == PFRAME ? 0x2 : 0x3, 13);
+	CODE_ADD(c, 0xffff, 16);
+	CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 0x7 : 0x4, 4);
+	if (frame != PFRAME)
+		CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 0x7 : 0x4, 4);
+	else
+		CODE_ADD(c, 0, 4); /* Is this supposed to be here?? */
+	CODE_ADD(c, 0, 3); /* What is this?? */
+	/* Byte-align with zeros */
+	j = 8 - (CODE_LENGTH(c) % 8);
+	if (j != 8)
+		CODE_ADD(c, 0, j);
+
+	if (go->format == GO7007_FORMAT_MPEG2) {
+		CODE_ADD(c, 0x1, 24);
+		CODE_ADD(c, 0xb5, 8);
+		CODE_ADD(c, 0x844, 12);
+		CODE_ADD(c, frame == PFRAME ? 0xff : 0x44, 8);
+		if (go->interlace_coding) {
+			CODE_ADD(c, pict_struct, 4);
+			if (go->dvd_mode)
+				CODE_ADD(c, 0x000, 11);
+			else
+				CODE_ADD(c, 0x200, 11);
+		} else {
+			CODE_ADD(c, 0x3, 4);
+			CODE_ADD(c, 0x20c, 11);
+		}
+		/* Byte-align with zeros */
+		j = 8 - (CODE_LENGTH(c) % 8);
+		if (j != 8)
+			CODE_ADD(c, 0, j);
+	}
+
+	for (i = 0; i < rows; ++i) {
+		CODE_ADD(c, 1, 24);
+		CODE_ADD(c, i + 1, 8);
+		CODE_ADD(c, 0x2, 6);
+		CODE_ADD(c, 0x1, 1);
+		CODE_ADD(c, mb_code, mb_len);
+		if (go->interlace_coding) {
+			CODE_ADD(c, 0x1, 2);
+			CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		if (frame == BFRAME_BIDIR) {
+			CODE_ADD(c, 0x3, 2);
+			if (go->interlace_coding)
+				CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		CODE_ADD(c, 0x3, 2);
+		for (j = (go->width >> 4) - 2; j >= 33; j -= 33)
+			CODE_ADD(c, 0x8, 11);
+		CODE_ADD(c, addrinctab[j][0], addrinctab[j][1]);
+		CODE_ADD(c, mb_code, mb_len);
+		if (go->interlace_coding) {
+			CODE_ADD(c, 0x1, 2);
+			CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		if (frame == BFRAME_BIDIR) {
+			CODE_ADD(c, 0x3, 2);
+			if (go->interlace_coding)
+				CODE_ADD(c, pict_struct == 1 ? 0x0 : 0x1, 1);
+		}
+		CODE_ADD(c, 0x3, 2);
+
+		/* Byte-align with zeros */
+		j = 8 - (CODE_LENGTH(c) % 8);
+		if (j != 8)
+			CODE_ADD(c, 0, j);
+	}
+
+	i = CODE_LENGTH(c) + 4 * 8;
+	buf[2] = 0x00;
+	buf[3] = 0x00;
+	buf[4] = 0x01;
+	buf[5] = 0x00;
+	return i;
+}
+
+static int mpeg1_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
+{
+	int i, aspect_ratio, picture_rate;
+	CODE_GEN(c, buf + 6);
+
+	if (go->format == GO7007_FORMAT_MPEG1) {
+		switch (go->aspect_ratio) {
+		case GO7007_RATIO_4_3:
+			aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
+			break;
+		case GO7007_RATIO_16_9:
+			aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
+			break;
+		default:
+			aspect_ratio = 1;
+			break;
+		}
+	} else {
+		switch (go->aspect_ratio) {
+		case GO7007_RATIO_4_3:
+			aspect_ratio = 2;
+			break;
+		case GO7007_RATIO_16_9:
+			aspect_ratio = 3;
+			break;
+		default:
+			aspect_ratio = 1;
+			break;
+		}
+	}
+	switch (go->sensor_framerate) {
+	case 24000:
+		picture_rate = 1;
+		break;
+	case 24024:
+		picture_rate = 2;
+		break;
+	case 25025:
+		picture_rate = go->interlace_coding ? 6 : 3;
+		break;
+	case 30000:
+		picture_rate = go->interlace_coding ? 7 : 4;
+		break;
+	case 30030:
+		picture_rate = go->interlace_coding ? 8 : 5;
+		break;
+	default:
+		picture_rate = 5; /* 30 fps seems like a reasonable default */
+		break;
+	}
+
+	CODE_ADD(c, go->width, 12);
+	CODE_ADD(c, go->height, 12);
+	CODE_ADD(c, aspect_ratio, 4);
+	CODE_ADD(c, picture_rate, 4);
+	CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 20000 : 0x3ffff, 18);
+	CODE_ADD(c, 1, 1);
+	CODE_ADD(c, go->format == GO7007_FORMAT_MPEG2 ? 112 : 20, 10);
+	CODE_ADD(c, 0, 3);
+
+	/* Byte-align with zeros */
+	i = 8 - (CODE_LENGTH(c) % 8);
+	if (i != 8)
+		CODE_ADD(c, 0, i);
+
+	if (go->format == GO7007_FORMAT_MPEG2) {
+		CODE_ADD(c, 0x1, 24);
+		CODE_ADD(c, 0xb5, 8);
+		CODE_ADD(c, 0x148, 12);
+		if (go->interlace_coding)
+			CODE_ADD(c, 0x20001, 20);
+		else
+			CODE_ADD(c, 0xa0001, 20);
+		CODE_ADD(c, 0, 16);
+
+		/* Byte-align with zeros */
+		i = 8 - (CODE_LENGTH(c) % 8);
+		if (i != 8)
+			CODE_ADD(c, 0, i);
+
+		if (ext) {
+			CODE_ADD(c, 0x1, 24);
+			CODE_ADD(c, 0xb52, 12);
+			CODE_ADD(c, go->standard == GO7007_STD_NTSC ? 2 : 1, 3);
+			CODE_ADD(c, 0x105, 9);
+			CODE_ADD(c, 0x505, 16);
+			CODE_ADD(c, go->width, 14);
+			CODE_ADD(c, 1, 1);
+			CODE_ADD(c, go->height, 14);
+
+			/* Byte-align with zeros */
+			i = 8 - (CODE_LENGTH(c) % 8);
+			if (i != 8)
+				CODE_ADD(c, 0, i);
+		}
+	}
+
+	i = CODE_LENGTH(c) + 4 * 8;
+	buf[0] = i & 0xff;
+	buf[1] = i >> 8;
+	buf[2] = 0x00;
+	buf[3] = 0x00;
+	buf[4] = 0x01;
+	buf[5] = 0xb3;
+	return i;
+}
+
+static int gen_mpeg1hdr_to_package(struct go7007 *go,
+					u16 *code, int space, int *framelen)
+{
+	u8 *buf;
+	u16 mem = 0x3e00;
+	unsigned int addr = 0x19;
+	int i, off = 0, chunk;
+
+	buf = kmalloc(5120, GFP_KERNEL);
+	if (buf == NULL) {
+		printk(KERN_ERR "go7007: unable to allocate 5120 bytes for "
+				"firmware construction\n");
+		return -1;
+	}
+	memset(buf, 0, 5120);
+	framelen[0] = mpeg1_frame_header(go, buf, 0, 1, PFRAME);
+	if (go->interlace_coding)
+		framelen[0] += mpeg1_frame_header(go, buf + framelen[0] / 8,
+							0, 2, PFRAME);
+	buf[0] = framelen[0] & 0xff;
+	buf[1] = framelen[0] >> 8;
+	i = 368;
+	framelen[1] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_PRE);
+	if (go->interlace_coding)
+		framelen[1] += mpeg1_frame_header(go, buf + i + framelen[1] / 8,
+							0, 2, BFRAME_PRE);
+	buf[i] = framelen[1] & 0xff;
+	buf[i + 1] = framelen[1] >> 8;
+	i += 1632;
+	framelen[2] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_POST);
+	if (go->interlace_coding)
+		framelen[2] += mpeg1_frame_header(go, buf + i + framelen[2] / 8,
+							0, 2, BFRAME_POST);
+	buf[i] = framelen[2] & 0xff;
+	buf[i + 1] = framelen[2] >> 8;
+	i += 1432;
+	framelen[3] = mpeg1_frame_header(go, buf + i, 0, 1, BFRAME_BIDIR);
+	if (go->interlace_coding)
+		framelen[3] += mpeg1_frame_header(go, buf + i + framelen[3] / 8,
+							0, 2, BFRAME_BIDIR);
+	buf[i] = framelen[3] & 0xff;
+	buf[i + 1] = framelen[3] >> 8;
+	i += 1632 + 16;
+	mpeg1_sequence_header(go, buf + i, 0);
+	i += 40;
+	for (i = 0; i < 5120; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > 5120)
+			chunk = (5120 - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr);
+			if (mem + chunk == 0x4000) {
+				mem = 0x3e00;
+				++addr;
+			}
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+done:
+	kfree(buf);
+	return off;
+}
+
+static int vti_bitlen(struct go7007 *go)
+{
+	unsigned int i, max_time_incr = go->sensor_framerate / go->fps_scale;
+
+	for (i = 31; (max_time_incr & ((1 << i) - 1)) == max_time_incr; --i);
+	return i + 1;
+}
+
+static int mpeg4_frame_header(struct go7007 *go, unsigned char *buf,
+		int modulo, enum mpeg_frame_type frame)
+{
+	int i;
+	CODE_GEN(c, buf + 6);
+	int mb_count = (go->width >> 4) * (go->height >> 4);
+
+	CODE_ADD(c, frame == PFRAME ? 0x1 : 0x2, 2);
+	if (modulo)
+		CODE_ADD(c, 0x1, 1);
+	CODE_ADD(c, 0x1, 2);
+	CODE_ADD(c, 0, vti_bitlen(go));
+	CODE_ADD(c, 0x3, 2);
+	if (frame == PFRAME)
+		CODE_ADD(c, 0, 1);
+	CODE_ADD(c, 0xc, 11);
+	if (frame != PFRAME)
+		CODE_ADD(c, 0x4, 3);
+	if (frame != BFRAME_EMPTY) {
+		for (i = 0; i < mb_count; ++i) {
+			switch (frame) {
+			case PFRAME:
+				CODE_ADD(c, 0x1, 1);
+				break;
+			case BFRAME_PRE:
+				CODE_ADD(c, 0x47, 8);
+				break;
+			case BFRAME_POST:
+				CODE_ADD(c, 0x27, 7);
+				break;
+			case BFRAME_BIDIR:
+				CODE_ADD(c, 0x5f, 8);
+				break;
+			case BFRAME_EMPTY: /* keep compiler quiet */
+				break;
+			}
+		}
+	}
+
+	/* Byte-align with a zero followed by ones */
+	i = 8 - (CODE_LENGTH(c) % 8);
+	CODE_ADD(c, 0, 1);
+	CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
+
+	i = CODE_LENGTH(c) + 4 * 8;
+	buf[0] = i & 0xff;
+	buf[1] = i >> 8;
+	buf[2] = 0x00;
+	buf[3] = 0x00;
+	buf[4] = 0x01;
+	buf[5] = 0xb6;
+	return i;
+}
+
+static int mpeg4_sequence_header(struct go7007 *go, unsigned char *buf, int ext)
+{
+	const unsigned char head[] = { 0x00, 0x00, 0x01, 0xb0, go->pali,
+		0x00, 0x00, 0x01, 0xb5, 0x09,
+		0x00, 0x00, 0x01, 0x00,
+		0x00, 0x00, 0x01, 0x20, };
+	int i, aspect_ratio;
+	int fps = go->sensor_framerate / go->fps_scale;
+	CODE_GEN(c, buf + 2 + sizeof(head));
+
+	switch (go->aspect_ratio) {
+	case GO7007_RATIO_4_3:
+		aspect_ratio = go->standard == GO7007_STD_NTSC ? 3 : 2;
+		break;
+	case GO7007_RATIO_16_9:
+		aspect_ratio = go->standard == GO7007_STD_NTSC ? 5 : 4;
+		break;
+	default:
+		aspect_ratio = 1;
+		break;
+	}
+
+	memcpy(buf + 2, head, sizeof(head));
+	CODE_ADD(c, 0x191, 17);
+	CODE_ADD(c, aspect_ratio, 4);
+	CODE_ADD(c, 0x1, 4);
+	CODE_ADD(c, fps, 16);
+	CODE_ADD(c, 0x3, 2);
+	CODE_ADD(c, 1001, vti_bitlen(go));
+	CODE_ADD(c, 1, 1);
+	CODE_ADD(c, go->width, 13);
+	CODE_ADD(c, 1, 1);
+	CODE_ADD(c, go->height, 13);
+	CODE_ADD(c, 0x2830, 14);
+
+	/* Byte-align */
+	i = 8 - (CODE_LENGTH(c) % 8);
+	CODE_ADD(c, 0, 1);
+	CODE_ADD(c, (1 << (i - 1)) - 1, i - 1);
+
+	i = CODE_LENGTH(c) + sizeof(head) * 8;
+	buf[0] = i & 0xff;
+	buf[1] = i >> 8;
+	return i;
+}
+
+static int gen_mpeg4hdr_to_package(struct go7007 *go,
+					u16 *code, int space, int *framelen)
+{
+	u8 *buf;
+	u16 mem = 0x3e00;
+	unsigned int addr = 0x19;
+	int i, off = 0, chunk;
+
+	buf = kmalloc(5120, GFP_KERNEL);
+	if (buf == NULL) {
+		printk(KERN_ERR "go7007: unable to allocate 5120 bytes for "
+				"firmware construction\n");
+		return -1;
+	}
+	memset(buf, 0, 5120);
+	framelen[0] = mpeg4_frame_header(go, buf, 0, PFRAME);
+	i = 368;
+	framelen[1] = mpeg4_frame_header(go, buf + i, 0, BFRAME_PRE);
+	i += 1632;
+	framelen[2] = mpeg4_frame_header(go, buf + i, 0, BFRAME_POST);
+	i += 1432;
+	framelen[3] = mpeg4_frame_header(go, buf + i, 0, BFRAME_BIDIR);
+	i += 1632;
+	mpeg4_frame_header(go, buf + i, 0, BFRAME_EMPTY);
+	i += 16;
+	mpeg4_sequence_header(go, buf + i, 0);
+	i += 40;
+	for (i = 0; i < 5120; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > 5120)
+			chunk = (5120 - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr);
+			if (mem + chunk == 0x4000) {
+				mem = 0x3e00;
+				++addr;
+			}
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+	mem = 0x3e00;
+	addr = go->ipb ? 0x14f9 : 0x0af9;
+	memset(buf, 0, 5120);
+	framelen[4] = mpeg4_frame_header(go, buf, 1, PFRAME);
+	i = 368;
+	framelen[5] = mpeg4_frame_header(go, buf + i, 1, BFRAME_PRE);
+	i += 1632;
+	framelen[6] = mpeg4_frame_header(go, buf + i, 1, BFRAME_POST);
+	i += 1432;
+	framelen[7] = mpeg4_frame_header(go, buf + i, 1, BFRAME_BIDIR);
+	i += 1632;
+	mpeg4_frame_header(go, buf + i, 1, BFRAME_EMPTY);
+	i += 16;
+	for (i = 0; i < 5120; i += chunk * 2) {
+		if (space - off < 32) {
+			off = -1;
+			goto done;
+		}
+
+		code[off + 1] = __cpu_to_le16(0x8000 | mem);
+
+		chunk = 28;
+		if (mem + chunk > 0x4000)
+			chunk = 0x4000 - mem;
+		if (i + 2 * chunk > 5120)
+			chunk = (5120 - i) / 2;
+
+		if (chunk < 28) {
+			code[off] = __cpu_to_le16(0x4000 | chunk);
+			code[off + 31] = __cpu_to_le16(addr);
+			if (mem + chunk == 0x4000) {
+				mem = 0x3e00;
+				++addr;
+			}
+		} else {
+			code[off] = __cpu_to_le16(0x1000 | 28);
+			code[off + 31] = 0;
+			mem += 28;
+		}
+
+		memcpy(&code[off + 2], buf + i, chunk * 2);
+		off += 32;
+	}
+done:
+	kfree(buf);
+	return off;
+}
+
+static int brctrl_to_package(struct go7007 *go,
+					u16 *code, int space, int *framelen)
+{
+	int converge_speed = 0;
+	int lambda = (go->format == GO7007_FORMAT_MJPEG || go->dvd_mode) ?
+				100 : 0;
+	int peak_rate = 6 * go->bitrate / 5;
+	int vbv_buffer = go->format == GO7007_FORMAT_MJPEG ?
+				go->bitrate :
+				(go->dvd_mode ? 900000 : peak_rate);
+	int fps = go->sensor_framerate / go->fps_scale;
+	int q = 0;
+	/* Bizarre math below depends on rounding errors in division */
+	u32 sgop_expt_addr = go->bitrate / 32 * (go->ipb ? 3 : 1) * 1001 / fps;
+	u32 sgop_peak_addr = peak_rate / 32 * 1001 / fps;
+	u32 total_expt_addr = go->bitrate / 32 * 1000 / fps * (fps / 1000);
+	u32 vbv_alert_addr = vbv_buffer * 3 / (4 * 32);
+	u32 cplx[] = {
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+		q > 0 ? sgop_expt_addr * q :
+			2 * go->width * go->height * (go->ipb ? 6 : 4) / 32,
+	};
+	u32 calc_q = q > 0 ? q : cplx[0] / sgop_expt_addr;
+	u16 pack[] = {
+		0x200e,		0x0000,
+		0xBF20,		go->ipb ? converge_speed_ipb[converge_speed]
+					: converge_speed_ip[converge_speed],
+		0xBF21,		go->ipb ? 2 : 0,
+		0xBF22,		go->ipb ? LAMBDA_table[0][lambda / 2 + 50]
+					: 32767,
+		0xBF23,		go->ipb ? LAMBDA_table[1][lambda] : 32767,
+		0xBF24,		32767,
+		0xBF25,		lambda > 99 ? 32767 : LAMBDA_table[3][lambda],
+		0xBF26,		sgop_expt_addr & 0x0000FFFF,
+		0xBF27,		sgop_expt_addr >> 16,
+		0xBF28,		sgop_peak_addr & 0x0000FFFF,
+		0xBF29,		sgop_peak_addr >> 16,
+		0xBF2A,		vbv_alert_addr & 0x0000FFFF,
+		0xBF2B,		vbv_alert_addr >> 16,
+		0xBF2C,		0,
+		0xBF2D,		0,
+		0,		0,
+
+		0x200e,		0x0000,
+		0xBF2E,		vbv_alert_addr & 0x0000FFFF,
+		0xBF2F,		vbv_alert_addr >> 16,
+		0xBF30,		cplx[0] & 0x0000FFFF,
+		0xBF31,		cplx[0] >> 16,
+		0xBF32,		cplx[1] & 0x0000FFFF,
+		0xBF33,		cplx[1] >> 16,
+		0xBF34,		cplx[2] & 0x0000FFFF,
+		0xBF35,		cplx[2] >> 16,
+		0xBF36,		cplx[3] & 0x0000FFFF,
+		0xBF37,		cplx[3] >> 16,
+		0xBF38,		0,
+		0xBF39,		0,
+		0xBF3A,		total_expt_addr & 0x0000FFFF,
+		0xBF3B,		total_expt_addr >> 16,
+		0,		0,
+
+		0x200e,		0x0000,
+		0xBF3C,		total_expt_addr & 0x0000FFFF,
+		0xBF3D,		total_expt_addr >> 16,
+		0xBF3E,		0,
+		0xBF3F,		0,
+		0xBF48,		0,
+		0xBF49,		0,
+		0xBF4A,		calc_q < 4 ? 4 : (calc_q > 124 ? 124 : calc_q),
+		0xBF4B,		4,
+		0xBF4C,		0,
+		0xBF4D,		0,
+		0xBF4E,		0,
+		0xBF4F,		0,
+		0xBF50,		0,
+		0xBF51,		0,
+		0,		0,
+
+		0x200e,		0x0000,
+		0xBF40,		sgop_expt_addr & 0x0000FFFF,
+		0xBF41,		sgop_expt_addr >> 16,
+		0xBF42,		0,
+		0xBF43,		0,
+		0xBF44,		0,
+		0xBF45,		0,
+		0xBF46,		(go->width >> 4) * (go->height >> 4),
+		0xBF47,		0,
+		0xBF64,		0,
+		0xBF65,		0,
+		0xBF18,		framelen[4],
+		0xBF19,		framelen[5],
+		0xBF1A,		framelen[6],
+		0xBF1B,		framelen[7],
+		0,		0,
+
+#if 0 /* Remove once we don't care about matching */
+		0x200e,		0x0000,
+		0xBF56,		4,
+		0xBF57,		0,
+		0xBF58,		5,
+		0xBF59,		0,
+		0xBF5A,		6,
+		0xBF5B,		0,
+		0xBF5C,		8,
+		0xBF5D,		0,
+		0xBF5E,		1,
+		0xBF5F,		0,
+		0xBF60,		1,
+		0xBF61,		0,
+		0xBF62,		0,
+		0xBF63,		0,
+		0,		0,
+#else
+		0x2008,		0x0000,
+		0xBF56,		4,
+		0xBF57,		0,
+		0xBF58,		5,
+		0xBF59,		0,
+		0xBF5A,		6,
+		0xBF5B,		0,
+		0xBF5C,		8,
+		0xBF5D,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+#endif
+
+		0x200e,		0x0000,
+		0xBF10,		0,
+		0xBF11,		0,
+		0xBF12,		0,
+		0xBF13,		0,
+		0xBF14,		0,
+		0xBF15,		0,
+		0xBF16,		0,
+		0xBF17,		0,
+		0xBF7E,		0,
+		0xBF7F,		1,
+		0xBF52,		framelen[0],
+		0xBF53,		framelen[1],
+		0xBF54,		framelen[2],
+		0xBF55,		framelen[3],
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 6, space);
+}
+
+static int config_package(struct go7007 *go, u16 *code, int space)
+{
+	int fps = go->sensor_framerate / go->fps_scale / 1000;
+	int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
+	int brc_window_size = fps;
+	int q_min = 2, q_max = 31;
+	int THACCoeffSet0 = 0;
+	u16 pack[] = {
+		0x200e,		0x0000,
+		0xc002,		0x14b4,
+		0xc003,		0x28b4,
+		0xc004,		0x3c5a,
+		0xdc05,		0x2a77,
+		0xc6c3,		go->format == GO7007_FORMAT_MPEG4 ? 0 :
+				(go->format == GO7007_FORMAT_H263 ? 0 : 1),
+		0xc680,		go->format == GO7007_FORMAT_MPEG4 ? 0xf1 :
+				(go->format == GO7007_FORMAT_H263 ? 0x61 :
+									0xd3),
+		0xc780,		0x0140,
+		0xe009,		0x0001,
+		0xc60f,		0x0008,
+		0xd4ff,		0x0002,
+		0xe403,		2340,
+		0xe406,		75,
+		0xd411,		0x0001,
+		0xd410,		0xa1d6,
+		0x0001,		0x2801,
+
+		0x200d,		0x0000,
+		0xe402,		0x018b,
+		0xe401,		0x8b01,
+		0xd472,		(go->board_info->sensor_flags &
+							GO7007_SENSOR_TV) &&
+						(!go->interlace_coding) ?
+					0x01b0 : 0x0170,
+		0xd475,		(go->board_info->sensor_flags &
+							GO7007_SENSOR_TV) &&
+						(!go->interlace_coding) ?
+					0x0008 : 0x0009,
+		0xc404,		go->interlace_coding ? 0x44 :
+				(go->format == GO7007_FORMAT_MPEG4 ? 0x11 :
+				(go->format == GO7007_FORMAT_MPEG1 ? 0x02 :
+				(go->format == GO7007_FORMAT_MPEG2 ? 0x04 :
+				(go->format == GO7007_FORMAT_H263  ? 0x08 :
+								     0x20)))),
+		0xbf0a,		(go->format == GO7007_FORMAT_MPEG4 ? 8 :
+				(go->format == GO7007_FORMAT_MPEG1 ? 1 :
+				(go->format == GO7007_FORMAT_MPEG2 ? 2 :
+				(go->format == GO7007_FORMAT_H263 ? 4 : 16)))) |
+				((go->repeat_seqhead ? 1 : 0) << 6) |
+				((go->dvd_mode ? 1 : 0) << 9) |
+				((go->gop_header_enable ? 1 : 0) << 10),
+		0xbf0b,		0,
+		0xdd5a,		go->ipb ? 0x14 : 0x0a,
+		0xbf0c,		0,
+		0xbf0d,		0,
+		0xc683,		THACCoeffSet0,
+		0xc40a,		(go->width << 4) | rows,
+		0xe01a,		go->board_info->hpi_buffer_cap,
+		0,		0,
+		0,		0,
+
+		0x2008,		0,
+		0xe402,		0x88,
+		0xe401,		0x8f01,
+		0xbf6a,		0,
+		0xbf6b,		0,
+		0xbf6c,		0,
+		0xbf6d,		0,
+		0xbf6e,		0,
+		0xbf6f,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+
+		0x200e,		0,
+		0xbf66,		brc_window_size,
+		0xbf67,		0,
+		0xbf68,		q_min,
+		0xbf69,		q_max,
+		0xbfe0,		0,
+		0xbfe1,		0,
+		0xbfe2,		0,
+		0xbfe3,		go->ipb ? 3 : 1,
+		0xc031,		go->board_info->sensor_flags &
+					GO7007_SENSOR_VBI ? 1 : 0,
+		0xc01c,		0x1f,
+		0xdd8c,		0x15,
+		0xdd94,		0x15,
+		0xdd88,		go->ipb ? 0x1401 : 0x0a01,
+		0xdd90,		go->ipb ? 0x1401 : 0x0a01,
+		0,		0,
+
+		0x200e,		0,
+		0xbfe4,		0,
+		0xbfe5,		0,
+		0xbfe6,		0,
+		0xbfe7,		fps << 8,
+		0xbfe8,		0x3a00,
+		0xbfe9,		0,
+		0xbfea,		0,
+		0xbfeb,		0,
+		0xbfec,		(go->interlace_coding ? 1 << 15 : 0) |
+					(go->modet_enable ? 0xa : 0) |
+					(go->board_info->sensor_flags &
+						GO7007_SENSOR_VBI ? 1 : 0),
+		0xbfed,		0,
+		0xbfee,		0,
+		0xbfef,		0,
+		0xbff0,		go->board_info->sensor_flags &
+					GO7007_SENSOR_TV ? 0xf060 : 0xb060,
+		0xbff1,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 5, space);
+}
+
+static int seqhead_to_package(struct go7007 *go, u16 *code, int space,
+	int (*sequence_header_func)(struct go7007 *go,
+		unsigned char *buf, int ext))
+{
+	int vop_time_increment_bitlength = vti_bitlen(go);
+	int fps = go->sensor_framerate / go->fps_scale *
+					(go->interlace_coding ? 2 : 1);
+	unsigned char buf[40] = { };
+	int len = sequence_header_func(go, buf, 1);
+	u16 pack[] = {
+		0x2006,		0,
+		0xbf08,		fps,
+		0xbf09,		0,
+		0xbff2,		vop_time_increment_bitlength,
+		0xbff3,		(1 << vop_time_increment_bitlength) - 1,
+		0xbfe6,		0,
+		0xbfe7,		(fps / 1000) << 8,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+
+		0x2007,		0,
+		0xc800,		buf[2] << 8 | buf[3],
+		0xc801,		buf[4] << 8 | buf[5],
+		0xc802,		buf[6] << 8 | buf[7],
+		0xc803,		buf[8] << 8 | buf[9],
+		0xc406,		64,
+		0xc407,		len - 64,
+		0xc61b,		1,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+
+		0x200e,		0,
+		0xc808,		buf[10] << 8 | buf[11],
+		0xc809,		buf[12] << 8 | buf[13],
+		0xc80a,		buf[14] << 8 | buf[15],
+		0xc80b,		buf[16] << 8 | buf[17],
+		0xc80c,		buf[18] << 8 | buf[19],
+		0xc80d,		buf[20] << 8 | buf[21],
+		0xc80e,		buf[22] << 8 | buf[23],
+		0xc80f,		buf[24] << 8 | buf[25],
+		0xc810,		buf[26] << 8 | buf[27],
+		0xc811,		buf[28] << 8 | buf[29],
+		0xc812,		buf[30] << 8 | buf[31],
+		0xc813,		buf[32] << 8 | buf[33],
+		0xc814,		buf[34] << 8 | buf[35],
+		0xc815,		buf[36] << 8 | buf[37],
+		0,		0,
+		0,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 3, space);
+}
+
+static int relative_prime(int big, int little)
+{
+	int remainder;
+
+	while (little != 0) {
+		remainder = big % little;
+		big = little;
+		little = remainder;
+	}
+	return big;
+}
+
+static int avsync_to_package(struct go7007 *go, u16 *code, int space)
+{
+	int arate = go->board_info->audio_rate * 1001 * go->fps_scale;
+	int ratio = arate / go->sensor_framerate;
+	int adjratio = ratio * 215 / 100;
+	int rprime = relative_prime(go->sensor_framerate,
+					arate % go->sensor_framerate);
+	int f1 = (arate % go->sensor_framerate) / rprime;
+	int f2 = (go->sensor_framerate - arate % go->sensor_framerate) / rprime;
+	u16 pack[] = {
+		0x200e,		0,
+		0xbf98,		(u16)((-adjratio) & 0xffff),
+		0xbf99,		(u16)((-adjratio) >> 16),
+		0xbf92,		0,
+		0xbf93,		0,
+		0xbff4,		f1 > f2 ? f1 : f2,
+		0xbff5,		f1 < f2 ? f1 : f2,
+		0xbff6,		f1 < f2 ? ratio : ratio + 1,
+		0xbff7,		f1 > f2 ? ratio : ratio + 1,
+		0xbff8,		0,
+		0xbff9,		0,
+		0xbffa,		adjratio & 0xffff,
+		0xbffb,		adjratio >> 16,
+		0xbf94,		0,
+		0xbf95,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 1, space);
+}
+
+static int final_package(struct go7007 *go, u16 *code, int space)
+{
+	int rows = go->interlace_coding ? go->height / 32 : go->height / 16;
+	u16 pack[] = {
+		0x8000,
+		0,
+		0,
+		0,
+		0,
+		0,
+		0,
+		2,
+		((go->board_info->sensor_flags & GO7007_SENSOR_TV) &&
+						(!go->interlace_coding) ?
+					(1 << 14) | (1 << 9) : 0) |
+			((go->encoder_subsample ? 1 : 0) << 8) |
+			(go->board_info->sensor_flags &
+				GO7007_SENSOR_CONFIG_MASK),
+		((go->encoder_v_halve ? 1 : 0) << 14) |
+			(go->encoder_v_halve ? rows << 9 : rows << 8) |
+			(go->encoder_h_halve ? 1 << 6 : 0) |
+			(go->encoder_h_halve ? go->width >> 3 : go->width >> 4),
+		(1 << 15) | (go->encoder_v_offset << 6) |
+			(1 << 7) | (go->encoder_h_offset >> 2),
+		(1 << 6),
+		0,
+		0,
+		((go->fps_scale - 1) << 8) |
+			(go->board_info->sensor_flags & GO7007_SENSOR_TV ?
+						(1 << 7) : 0) |
+			0x41,
+		go->ipb ? 0xd4c : 0x36b,
+		(rows << 8) | (go->width >> 4),
+		go->format == GO7007_FORMAT_MPEG4 ? 0x0404 : 0,
+		(1 << 15) | ((go->interlace_coding ? 1 : 0) << 13) |
+			((go->closed_gop ? 1 : 0) << 12) |
+			((go->format == GO7007_FORMAT_MPEG4 ? 1 : 0) << 11) |
+		/*	(1 << 9) |   */
+			((go->ipb ? 3 : 0) << 7) |
+			((go->modet_enable ? 1 : 0) << 2) |
+			((go->dvd_mode ? 1 : 0) << 1) | 1,
+		(go->format == GO7007_FORMAT_MPEG1 ? 0x89a0 :
+			(go->format == GO7007_FORMAT_MPEG2 ? 0x89a0 :
+			(go->format == GO7007_FORMAT_MJPEG ? 0x89a0 :
+			(go->format == GO7007_FORMAT_MPEG4 ? 0x8920 :
+			(go->format == GO7007_FORMAT_H263 ? 0x8920 : 0))))),
+		go->ipb ? 0x1f15 : 0x1f0b,
+		go->ipb ? 0x0015 : 0x000b,
+		go->ipb ? 0xa800 : 0x5800,
+		0xffff,
+		0x0020 + 0x034b * 0,
+		0x0020 + 0x034b * 1,
+		0x0020 + 0x034b * 2,
+		0x0020 + 0x034b * 3,
+		0x0020 + 0x034b * 4,
+		0x0020 + 0x034b * 5,
+		go->ipb ? (go->gop_size / 3) : go->gop_size,
+		(go->height >> 4) * (go->width >> 4) * 110 / 100,
+	};
+
+	return copy_packages(code, pack, 1, space);
+}
+
+static int audio_to_package(struct go7007 *go, u16 *code, int space)
+{
+	int clock_config = ((go->board_info->audio_flags &
+				GO7007_AUDIO_I2S_MASTER ? 1 : 0) << 11) |
+			((go->board_info->audio_flags &
+				GO7007_AUDIO_OKI_MODE ? 1 : 0) << 8) |
+			(((go->board_info->audio_bclk_div / 4) - 1) << 4) |
+			(go->board_info->audio_main_div - 1);
+	u16 pack[] = {
+		0x200d,		0,
+		0x9002,		0,
+		0x9002,		0,
+		0x9031,		0,
+		0x9032,		0,
+		0x9033,		0,
+		0x9034,		0,
+		0x9035,		0,
+		0x9036,		0,
+		0x9037,		0,
+		0x9040,		0,
+		0x9000,		clock_config,
+		0x9001,		(go->board_info->audio_flags & 0xffff) |
+					(1 << 9),
+		0x9000,		((go->board_info->audio_flags &
+						GO7007_AUDIO_I2S_MASTER ?
+						1 : 0) << 10) |
+					clock_config,
+		0,		0,
+		0,		0,
+		0x2005,		0,
+		0x9041,		0,
+		0x9042,		256,
+		0x9043,		0,
+		0x9044,		16,
+		0x9045,		16,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+		0,		0,
+	};
+
+	return copy_packages(code, pack, 2, space);
+}
+
+static int modet_to_package(struct go7007 *go, u16 *code, int space)
+{
+	int ret, mb, i, addr, cnt = 0;
+	u16 pack[32];
+	u16 thresholds[] = {
+		0x200e,		0,
+		0xbf82,		go->modet[0].pixel_threshold,
+		0xbf83,		go->modet[1].pixel_threshold,
+		0xbf84,		go->modet[2].pixel_threshold,
+		0xbf85,		go->modet[3].pixel_threshold,
+		0xbf86,		go->modet[0].motion_threshold,
+		0xbf87,		go->modet[1].motion_threshold,
+		0xbf88,		go->modet[2].motion_threshold,
+		0xbf89,		go->modet[3].motion_threshold,
+		0xbf8a,		go->modet[0].mb_threshold,
+		0xbf8b,		go->modet[1].mb_threshold,
+		0xbf8c,		go->modet[2].mb_threshold,
+		0xbf8d,		go->modet[3].mb_threshold,
+		0xbf8e,		0,
+		0xbf8f,		0,
+		0,		0,
+	};
+
+	ret = copy_packages(code, thresholds, 1, space);
+	if (ret < 0)
+		return -1;
+	cnt += ret;
+
+	addr = 0xbac0;
+	memset(pack, 0, 64);
+	i = 0;
+	for (mb = 0; mb < 1624; ++mb) {
+		pack[i * 2 + 3] <<= 2;
+		pack[i * 2 + 3] |= go->modet_map[mb];
+		if (mb % 8 != 7)
+			continue;
+		pack[i * 2 + 2] = addr++;
+		++i;
+		if (i == 10 || mb == 1623) {
+			pack[0] = 0x2000 | i;
+			ret = copy_packages(code + cnt, pack, 1, space - cnt);
+			if (ret < 0)
+				return -1;
+			cnt += ret;
+			i = 0;
+			memset(pack, 0, 64);
+		}
+		pack[i * 2 + 3] = 0;
+	}
+
+	memset(pack, 0, 64);
+	i = 0;
+	for (addr = 0xbb90; addr < 0xbbfa; ++addr) {
+		pack[i * 2 + 2] = addr;
+		pack[i * 2 + 3] = 0;
+		++i;
+		if (i == 10 || addr == 0xbbf9) {
+			pack[0] = 0x2000 | i;
+			ret = copy_packages(code + cnt, pack, 1, space - cnt);
+			if (ret < 0)
+				return -1;
+			cnt += ret;
+			i = 0;
+			memset(pack, 0, 64);
+		}
+	}
+	return cnt;
+}
+
+static int do_special(struct go7007 *go, u16 type, u16 *code, int space,
+			int *framelen)
+{
+	switch (type) {
+	case SPECIAL_FRM_HEAD:
+		switch (go->format) {
+		case GO7007_FORMAT_MJPEG:
+			return gen_mjpeghdr_to_package(go, code, space);
+		case GO7007_FORMAT_MPEG1:
+		case GO7007_FORMAT_MPEG2:
+			return gen_mpeg1hdr_to_package(go, code, space,
+								framelen);
+		case GO7007_FORMAT_MPEG4:
+			return gen_mpeg4hdr_to_package(go, code, space,
+								framelen);
+		}
+	case SPECIAL_BRC_CTRL:
+		return brctrl_to_package(go, code, space, framelen);
+	case SPECIAL_CONFIG:
+		return config_package(go, code, space);
+	case SPECIAL_SEQHEAD:
+		switch (go->format) {
+		case GO7007_FORMAT_MPEG1:
+		case GO7007_FORMAT_MPEG2:
+			return seqhead_to_package(go, code, space,
+					mpeg1_sequence_header);
+		case GO7007_FORMAT_MPEG4:
+			return seqhead_to_package(go, code, space,
+					mpeg4_sequence_header);
+		default:
+			return 0;
+		}
+	case SPECIAL_AV_SYNC:
+		return avsync_to_package(go, code, space);
+	case SPECIAL_FINAL:
+		return final_package(go, code, space);
+	case SPECIAL_AUDIO:
+		return audio_to_package(go, code, space);
+	case SPECIAL_MODET:
+		return modet_to_package(go, code, space);
+	}
+	printk(KERN_ERR
+		"go7007: firmware file contains unsupported feature %04x\n",
+		type);
+	return -1;
+}
+
+int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen)
+{
+	const struct firmware *fw_entry;
+	u16 *code, *src;
+	int framelen[8] = { }; /* holds the lengths of empty frame templates */
+	int codespace = 64 * 1024, i = 0, srclen, chunk_len, chunk_flags;
+	int mode_flag;
+	int ret;
+
+	switch (go->format) {
+	case GO7007_FORMAT_MJPEG:
+		mode_flag = FLAG_MODE_MJPEG;
+		break;
+	case GO7007_FORMAT_MPEG1:
+		mode_flag = FLAG_MODE_MPEG1;
+		break;
+	case GO7007_FORMAT_MPEG2:
+		mode_flag = FLAG_MODE_MPEG2;
+		break;
+	case GO7007_FORMAT_MPEG4:
+		mode_flag = FLAG_MODE_MPEG4;
+		break;
+	default:
+		return -1;
+	}
+	if (request_firmware(&fw_entry, go->board_info->firmware, go->dev)) {
+		printk(KERN_ERR
+			"go7007: unable to load firmware from file \"%s\"\n",
+			go->board_info->firmware);
+		return -1;
+	}
+	code = kmalloc(codespace * 2, GFP_KERNEL);
+	if (code == NULL) {
+		printk(KERN_ERR "go7007: unable to allocate %d bytes for "
+				"firmware construction\n", codespace * 2);
+		goto fw_failed;
+	}
+	memset(code, 0, codespace * 2);
+	src = (u16 *)fw_entry->data;
+	srclen = fw_entry->size / 2;
+	while (srclen >= 2) {
+		chunk_flags = __le16_to_cpu(src[0]);
+		chunk_len = __le16_to_cpu(src[1]);
+		if (chunk_len + 2 > srclen) {
+			printk(KERN_ERR "go7007: firmware file \"%s\" "
+					"appears to be corrupted\n",
+					go->board_info->firmware);
+			goto fw_failed;
+		}
+		if (chunk_flags & mode_flag) {
+			if (chunk_flags & FLAG_SPECIAL) {
+				ret = do_special(go, __le16_to_cpu(src[2]),
+					&code[i], codespace - i, framelen);
+				if (ret < 0) {
+					printk(KERN_ERR "go7007: insufficient "
+							"memory for firmware "
+							"construction\n");
+					goto fw_failed;
+				}
+				i += ret;
+			} else {
+				if (codespace - i < chunk_len) {
+					printk(KERN_ERR "go7007: insufficient "
+							"memory for firmware "
+							"construction\n");
+					goto fw_failed;
+				}
+				memcpy(&code[i], &src[2], chunk_len * 2);
+				i += chunk_len;
+			}
+		}
+		srclen -= chunk_len + 2;
+		src += chunk_len + 2;
+	}
+	release_firmware(fw_entry);
+	*fw = (u8 *)code;
+	*fwlen = i * 2;
+	return 0;
+
+fw_failed:
+	kfree(code);
+	release_firmware(fw_entry);
+	return -1;
+}
diff --git a/drivers/staging/go7007/go7007-i2c.c b/drivers/staging/go7007/go7007-i2c.c
new file mode 100644
index 00000000000..10baae3dade
--- /dev/null
+++ b/drivers/staging/go7007/go7007-i2c.c
@@ -0,0 +1,309 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/list.h>
+#include <linux/unistd.h>
+#include <linux/time.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/semaphore.h>
+#include <linux/uaccess.h>
+#include <asm/system.h>
+
+#include "go7007-priv.h"
+#include "wis-i2c.h"
+
+/************** Registration interface for I2C client drivers **************/
+
+/* Since there's no way to auto-probe the I2C devices connected to the I2C
+ * bus on the go7007, we have this silly little registration system that
+ * client drivers can use to register their I2C driver ID and their
+ * detect_client function (the one that's normally passed to i2c_probe).
+ *
+ * When a new go7007 device is connected, we can look up in a board info
+ * table by the USB or PCI vendor/product/revision ID to determine
+ * which I2C client module to load.  The client driver module will register
+ * itself here, and then we can call the registered detect_client function
+ * to force-load a new client at the address listed in the board info table.
+ *
+ * Really the I2C subsystem should have a way to force-load I2C client
+ * drivers when we have a priori knowledge of what's on the bus, especially
+ * since the existing I2C auto-probe mechanism is so hokey, but we'll use
+ * our own mechanism for the time being. */
+
+struct wis_i2c_client_driver {
+	unsigned int id;
+	found_proc found_proc;
+	struct list_head list;
+};
+
+static LIST_HEAD(i2c_client_drivers);
+static DECLARE_MUTEX(i2c_client_driver_list_lock);
+
+/* Client drivers register here by their I2C driver ID */
+int wis_i2c_add_driver(unsigned int id, found_proc found_proc)
+{
+	struct wis_i2c_client_driver *driver;
+
+	driver = kmalloc(sizeof(struct wis_i2c_client_driver), GFP_KERNEL);
+	if (driver == NULL)
+		return -ENOMEM;
+	driver->id = id;
+	driver->found_proc = found_proc;
+
+	down(&i2c_client_driver_list_lock);
+	list_add_tail(&driver->list, &i2c_client_drivers);
+	up(&i2c_client_driver_list_lock);
+
+	return 0;
+}
+EXPORT_SYMBOL(wis_i2c_add_driver);
+
+void wis_i2c_del_driver(found_proc found_proc)
+{
+	struct wis_i2c_client_driver *driver, *next;
+
+	down(&i2c_client_driver_list_lock);
+	list_for_each_entry_safe(driver, next, &i2c_client_drivers, list)
+		if (driver->found_proc == found_proc) {
+			list_del(&driver->list);
+			kfree(driver);
+		}
+	up(&i2c_client_driver_list_lock);
+}
+EXPORT_SYMBOL(wis_i2c_del_driver);
+
+/* The main go7007 driver calls this to instantiate a client by driver
+ * ID and bus address, which are both stored in the board info table */
+int wis_i2c_probe_device(struct i2c_adapter *adapter,
+				unsigned int id, int addr)
+{
+	struct wis_i2c_client_driver *driver;
+	int found = 0;
+
+	if (addr < 0 || addr > 0x7f)
+		return -1;
+	down(&i2c_client_driver_list_lock);
+	list_for_each_entry(driver, &i2c_client_drivers, list)
+		if (driver->id == id) {
+			if (driver->found_proc(adapter, addr, 0) == 0)
+				found = 1;
+			break;
+		}
+	up(&i2c_client_driver_list_lock);
+	return found;
+}
+
+/********************* Driver for on-board I2C adapter *********************/
+
+/* #define GO7007_I2C_DEBUG */
+
+#define SPI_I2C_ADDR_BASE		0x1400
+#define STATUS_REG_ADDR			(SPI_I2C_ADDR_BASE + 0x2)
+#define I2C_CTRL_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x6)
+#define I2C_DEV_UP_ADDR_REG_ADDR	(SPI_I2C_ADDR_BASE + 0x7)
+#define I2C_LO_ADDR_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x8)
+#define I2C_DATA_REG_ADDR		(SPI_I2C_ADDR_BASE + 0x9)
+#define I2C_CLKFREQ_REG_ADDR		(SPI_I2C_ADDR_BASE + 0xa)
+
+#define I2C_STATE_MASK			0x0007
+#define I2C_READ_READY_MASK		0x0008
+
+/* There is only one I2C port on the TW2804 that feeds all four GO7007 VIPs
+ * on the Adlink PCI-MPG24, so access is shared between all of them. */
+static DECLARE_MUTEX(adlink_mpg24_i2c_lock);
+
+static int go7007_i2c_xfer(struct go7007 *go, u16 addr, int read,
+		u16 command, int flags, u8 *data)
+{
+	int i, ret = -1;
+	u16 val;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -1;
+
+#ifdef GO7007_I2C_DEBUG
+	if (read)
+		printk(KERN_DEBUG "go7007-i2c: reading 0x%02x on 0x%02x\n",
+			command, addr);
+	else
+		printk(KERN_DEBUG
+			"go7007-i2c: writing 0x%02x to 0x%02x on 0x%02x\n",
+			*data, command, addr);
+#endif
+
+	down(&go->hw_lock);
+
+	if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
+		/* Bridge the I2C port on this GO7007 to the shared bus */
+		down(&adlink_mpg24_i2c_lock);
+		go7007_write_addr(go, 0x3c82, 0x0020);
+	}
+
+	/* Wait for I2C adapter to be ready */
+	for (i = 0; i < 10; ++i) {
+		if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0)
+			goto i2c_done;
+		if (!(val & I2C_STATE_MASK))
+			break;
+		msleep(100);
+	}
+	if (i == 10) {
+		printk(KERN_ERR "go7007-i2c: I2C adapter is hung\n");
+		goto i2c_done;
+	}
+
+	/* Set target register (command) */
+	go7007_write_addr(go, I2C_CTRL_REG_ADDR, flags);
+	go7007_write_addr(go, I2C_LO_ADDR_REG_ADDR, command);
+
+	/* If we're writing, send the data and target address and we're done */
+	if (!read) {
+		go7007_write_addr(go, I2C_DATA_REG_ADDR, *data);
+		go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR,
+					(addr << 9) | (command >> 8));
+		ret = 0;
+		goto i2c_done;
+	}
+
+	/* Otherwise, we're reading.  First clear i2c_rx_data_rdy. */
+	if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0)
+		goto i2c_done;
+
+	/* Send the target address plus read flag */
+	go7007_write_addr(go, I2C_DEV_UP_ADDR_REG_ADDR,
+			(addr << 9) | 0x0100 | (command >> 8));
+
+	/* Wait for i2c_rx_data_rdy */
+	for (i = 0; i < 10; ++i) {
+		if (go7007_read_addr(go, STATUS_REG_ADDR, &val) < 0)
+			goto i2c_done;
+		if (val & I2C_READ_READY_MASK)
+			break;
+		msleep(100);
+	}
+	if (i == 10) {
+		printk(KERN_ERR "go7007-i2c: I2C adapter is hung\n");
+		goto i2c_done;
+	}
+
+	/* Retrieve the read byte */
+	if (go7007_read_addr(go, I2C_DATA_REG_ADDR, &val) < 0)
+		goto i2c_done;
+	*data = val;
+	ret = 0;
+
+i2c_done:
+	if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) {
+		/* Isolate the I2C port on this GO7007 from the shared bus */
+		go7007_write_addr(go, 0x3c82, 0x0000);
+		up(&adlink_mpg24_i2c_lock);
+	}
+	up(&go->hw_lock);
+	return ret;
+}
+
+static int go7007_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
+		unsigned short flags, char read_write,
+		u8 command, int size, union i2c_smbus_data *data)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+
+	if (size != I2C_SMBUS_BYTE_DATA)
+		return -1;
+	return go7007_i2c_xfer(go, addr, read_write == I2C_SMBUS_READ, command,
+			flags & I2C_CLIENT_SCCB ? 0x10 : 0x00, &data->byte);
+}
+
+/* VERY LIMITED I2C master xfer function -- only needed because the
+ * SMBus functions only support 8-bit commands and the SAA7135 uses
+ * 16-bit commands.  The I2C interface on the GO7007, as limited as
+ * it is, does support this mode. */
+
+static int go7007_i2c_master_xfer(struct i2c_adapter *adapter,
+					struct i2c_msg msgs[], int num)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+	int i;
+
+	for (i = 0; i < num; ++i) {
+		/* We can only do two things here -- write three bytes, or
+		 * write two bytes and read one byte. */
+		if (msgs[i].len == 2) {
+			if (i + 1 == num || msgs[i].addr != msgs[i + 1].addr ||
+					(msgs[i].flags & I2C_M_RD) ||
+					!(msgs[i + 1].flags & I2C_M_RD) ||
+					msgs[i + 1].len != 1)
+				return -1;
+			if (go7007_i2c_xfer(go, msgs[i].addr, 1,
+					(msgs[i].buf[0] << 8) | msgs[i].buf[1],
+					0x01, &msgs[i + 1].buf[0]) < 0)
+				return -1;
+			++i;
+		} else if (msgs[i].len == 3) {
+			if (msgs[i].flags & I2C_M_RD)
+				return -1;
+			if (msgs[i].len != 3)
+				return -1;
+			if (go7007_i2c_xfer(go, msgs[i].addr, 0,
+					(msgs[i].buf[0] << 8) | msgs[i].buf[1],
+					0x01, &msgs[i].buf[2]) < 0)
+				return -1;
+		} else
+			return -1;
+	}
+
+	return 0;
+}
+
+static u32 go7007_functionality(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_SMBUS_BYTE_DATA;
+}
+
+static struct i2c_algorithm go7007_algo = {
+	.smbus_xfer	= go7007_smbus_xfer,
+	.master_xfer	= go7007_i2c_master_xfer,
+	.functionality	= go7007_functionality,
+};
+
+static struct i2c_adapter go7007_adap_templ = {
+	.owner			= THIS_MODULE,
+	.class			= I2C_CLASS_TV_ANALOG,
+	.name			= "WIS GO7007SB",
+	.id			= I2C_ALGO_GO7007,
+	.algo			= &go7007_algo,
+};
+
+int go7007_i2c_init(struct go7007 *go)
+{
+	memcpy(&go->i2c_adapter, &go7007_adap_templ,
+			sizeof(go7007_adap_templ));
+	go->i2c_adapter.dev.parent = go->dev;
+	i2c_set_adapdata(&go->i2c_adapter, go);
+	if (i2c_add_adapter(&go->i2c_adapter) < 0) {
+		printk(KERN_ERR
+			"go7007-i2c: error: i2c_add_adapter failed\n");
+		return -1;
+	}
+	return 0;
+}
diff --git a/drivers/staging/go7007/go7007-priv.h b/drivers/staging/go7007/go7007-priv.h
new file mode 100644
index 00000000000..005542d16a5
--- /dev/null
+++ b/drivers/staging/go7007/go7007-priv.h
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+/*
+ * This is the private include file for the go7007 driver.  It should not
+ * be included by anybody but the driver itself, and especially not by
+ * user-space applications.
+ */
+
+struct go7007;
+
+/* IDs to activate board-specific support code */
+#define GO7007_BOARDID_MATRIX_II	0
+#define GO7007_BOARDID_MATRIX_RELOAD	1
+#define GO7007_BOARDID_STAR_TREK	2
+#define GO7007_BOARDID_PCI_VOYAGER	3
+#define GO7007_BOARDID_XMEN		4
+#define GO7007_BOARDID_XMEN_II		5
+#define GO7007_BOARDID_XMEN_III		6
+#define GO7007_BOARDID_MATRIX_REV	7
+#define GO7007_BOARDID_PX_M402U		16
+#define GO7007_BOARDID_PX_TV402U_ANY	17 /* need to check tuner model */
+#define GO7007_BOARDID_PX_TV402U_NA	18 /* detected NTSC tuner */
+#define GO7007_BOARDID_PX_TV402U_EU	19 /* detected PAL tuner */
+#define GO7007_BOARDID_PX_TV402U_JP	20 /* detected NTSC-J tuner */
+#define GO7007_BOARDID_LIFEVIEW_LR192	21 /* TV Walker Ultra */
+#define GO7007_BOARDID_ENDURA		22
+#define GO7007_BOARDID_ADLINK_MPG24	23
+
+/* Various characteristics of each board */
+#define GO7007_BOARD_HAS_AUDIO		(1<<0)
+#define GO7007_BOARD_USE_ONBOARD_I2C	(1<<1)
+#define GO7007_BOARD_HAS_TUNER		(1<<2)
+
+/* Characteristics of sensor devices */
+#define GO7007_SENSOR_VALID_POLAR	(1<<0)
+#define GO7007_SENSOR_HREF_POLAR	(1<<1)
+#define GO7007_SENSOR_VREF_POLAR	(1<<2)
+#define GO7007_SENSOR_FIELD_ID_POLAR	(1<<3)
+#define GO7007_SENSOR_BIT_WIDTH		(1<<4)
+#define GO7007_SENSOR_VALID_ENABLE	(1<<5)
+#define GO7007_SENSOR_656		(1<<6)
+#define GO7007_SENSOR_CONFIG_MASK	0x7f
+#define GO7007_SENSOR_TV		(1<<7)
+#define GO7007_SENSOR_VBI		(1<<8)
+#define GO7007_SENSOR_SCALING		(1<<9)
+
+/* Characteristics of audio sensor devices */
+#define GO7007_AUDIO_I2S_MODE_1		(1)
+#define GO7007_AUDIO_I2S_MODE_2		(2)
+#define GO7007_AUDIO_I2S_MODE_3		(3)
+#define GO7007_AUDIO_BCLK_POLAR		(1<<2)
+#define GO7007_AUDIO_WORD_14		(14<<4)
+#define GO7007_AUDIO_WORD_16		(16<<4)
+#define GO7007_AUDIO_ONE_CHANNEL	(1<<11)
+#define GO7007_AUDIO_I2S_MASTER		(1<<16)
+#define GO7007_AUDIO_OKI_MODE		(1<<17)
+
+struct go7007_board_info {
+	char *firmware;
+	unsigned int flags;
+	int hpi_buffer_cap;
+	unsigned int sensor_flags;
+	int sensor_width;
+	int sensor_height;
+	int sensor_framerate;
+	int sensor_h_offset;
+	int sensor_v_offset;
+	unsigned int audio_flags;
+	int audio_rate;
+	int audio_bclk_div;
+	int audio_main_div;
+	int num_i2c_devs;
+	struct {
+		int id;
+		int addr;
+	} i2c_devs[4];
+	int num_inputs;
+	struct {
+		int video_input;
+		int audio_input;
+		char *name;
+	} inputs[4];
+};
+
+struct go7007_hpi_ops {
+	int (*interface_reset)(struct go7007 *go);
+	int (*write_interrupt)(struct go7007 *go, int addr, int data);
+	int (*read_interrupt)(struct go7007 *go);
+	int (*stream_start)(struct go7007 *go);
+	int (*stream_stop)(struct go7007 *go);
+	int (*send_firmware)(struct go7007 *go, u8 *data, int len);
+};
+
+/* The video buffer size must be a multiple of PAGE_SIZE */
+#define	GO7007_BUF_PAGES	(128 * 1024 / PAGE_SIZE)
+#define	GO7007_BUF_SIZE		(GO7007_BUF_PAGES << PAGE_SHIFT)
+
+struct go7007_buffer {
+	struct go7007 *go; /* Reverse reference for VMA ops */
+	int index; /* Reverse reference for DQBUF */
+	enum { BUF_STATE_IDLE, BUF_STATE_QUEUED, BUF_STATE_DONE } state;
+	u32 seq;
+	struct timeval timestamp;
+	struct list_head stream;
+	struct page *pages[GO7007_BUF_PAGES + 1]; /* extra for straddling */
+	unsigned long user_addr;
+	unsigned int page_count;
+	unsigned int offset;
+	unsigned int bytesused;
+	unsigned int frame_offset;
+	u32 modet_active;
+	int mapped;
+};
+
+struct go7007_file {
+	struct go7007 *go;
+	struct semaphore lock;
+	int buf_count;
+	struct go7007_buffer *bufs;
+};
+
+#define	GO7007_FORMAT_MJPEG	0
+#define GO7007_FORMAT_MPEG4	1
+#define GO7007_FORMAT_MPEG1	2
+#define GO7007_FORMAT_MPEG2	3
+#define GO7007_FORMAT_H263	4
+
+#define GO7007_RATIO_1_1	0
+#define GO7007_RATIO_4_3	1
+#define GO7007_RATIO_16_9	2
+
+enum go7007_parser_state {
+	STATE_DATA,
+	STATE_00,
+	STATE_00_00,
+	STATE_00_00_01,
+	STATE_FF,
+	STATE_VBI_LEN_A,
+	STATE_VBI_LEN_B,
+	STATE_MODET_MAP,
+	STATE_UNPARSED,
+};
+
+struct go7007 {
+	struct device *dev;
+	struct go7007_board_info *board_info;
+	unsigned int board_id;
+	int tuner_type;
+	int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */
+	char name[64];
+	struct video_device *video_dev;
+	int ref_count;
+	enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
+	spinlock_t spinlock;
+	struct semaphore hw_lock;
+	int streaming;
+	int in_use;
+	int audio_enabled;
+
+	/* Video input */
+	int input;
+	enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard;
+	int sensor_framerate;
+	int width;
+	int height;
+	int encoder_h_offset;
+	int encoder_v_offset;
+	unsigned int encoder_h_halve:1;
+	unsigned int encoder_v_halve:1;
+	unsigned int encoder_subsample:1;
+
+	/* Encoder config */
+	int format;
+	int bitrate;
+	int fps_scale;
+	int pali;
+	int aspect_ratio;
+	int gop_size;
+	unsigned int ipb:1;
+	unsigned int closed_gop:1;
+	unsigned int repeat_seqhead:1;
+	unsigned int seq_header_enable:1;
+	unsigned int gop_header_enable:1;
+	unsigned int dvd_mode:1;
+	unsigned int interlace_coding:1;
+
+	/* Motion detection */
+	unsigned int modet_enable:1;
+	struct {
+		unsigned int enable:1;
+		int pixel_threshold;
+		int motion_threshold;
+		int mb_threshold;
+	} modet[4];
+	unsigned char modet_map[1624];
+	unsigned char active_map[216];
+
+	/* Video streaming */
+	struct go7007_buffer *active_buf;
+	enum go7007_parser_state state;
+	int parse_length;
+	u16 modet_word;
+	int seen_frame;
+	u32 next_seq;
+	struct list_head stream;
+	wait_queue_head_t frame_waitq;
+
+	/* Audio streaming */
+	void (*audio_deliver)(struct go7007 *go, u8 *buf, int length);
+	void *snd_context;
+
+	/* I2C */
+	int i2c_adapter_online;
+	struct i2c_adapter i2c_adapter;
+
+	/* HPI driver */
+	struct go7007_hpi_ops *hpi_ops;
+	void *hpi_context;
+	int interrupt_available;
+	wait_queue_head_t interrupt_waitq;
+	unsigned short interrupt_value;
+	unsigned short interrupt_data;
+};
+
+/* All of these must be called with the hpi_lock semaphore held! */
+#define go7007_interface_reset(go) \
+			((go)->hpi_ops->interface_reset(go))
+#define	go7007_write_interrupt(go, x, y) \
+			((go)->hpi_ops->write_interrupt)((go), (x), (y))
+#define go7007_stream_start(go) \
+			((go)->hpi_ops->stream_start(go))
+#define go7007_stream_stop(go) \
+			((go)->hpi_ops->stream_stop(go))
+#define	go7007_send_firmware(go, x, y) \
+			((go)->hpi_ops->send_firmware)((go), (x), (y))
+#define go7007_write_addr(go, x, y) \
+			((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y))
+
+/* go7007-driver.c */
+int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data);
+int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data);
+int go7007_boot_encoder(struct go7007 *go, int init_i2c);
+int go7007_reset_encoder(struct go7007 *go);
+int go7007_register_encoder(struct go7007 *go);
+int go7007_start_encoder(struct go7007 *go);
+void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length);
+struct go7007 *go7007_alloc(struct go7007_board_info *board,
+					struct device *dev);
+void go7007_remove(struct go7007 *go);
+
+/* go7007-fw.c */
+int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen);
+
+/* go7007-i2c.c */
+int go7007_i2c_init(struct go7007 *go);
+int go7007_i2c_remove(struct go7007 *go);
+
+/* go7007-v4l2.c */
+int go7007_v4l2_init(struct go7007 *go);
+void go7007_v4l2_remove(struct go7007 *go);
+
+/* snd-go7007.c */
+int go7007_snd_init(struct go7007 *go);
+int go7007_snd_remove(struct go7007 *go);
diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c
new file mode 100644
index 00000000000..d4ed6d2b715
--- /dev/null
+++ b/drivers/staging/go7007/go7007-usb.c
@@ -0,0 +1,1229 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <asm/byteorder.h>
+#include <media/tvaudio.h>
+
+#include "go7007-priv.h"
+#include "wis-i2c.h"
+
+static unsigned int assume_endura;
+module_param(assume_endura, int, 0644);
+MODULE_PARM_DESC(assume_endura, "when probing fails, hardware is a Pelco Endura");
+
+/* #define GO7007_USB_DEBUG */
+/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
+
+#define	HPI_STATUS_ADDR	0xFFF4
+#define	INT_PARAM_ADDR	0xFFF6
+#define	INT_INDEX_ADDR	0xFFF8
+
+/*
+ * Pipes on EZ-USB interface:
+ * 	0 snd - Control
+ * 	0 rcv - Control
+ * 	2 snd - Download firmware (control)
+ * 	4 rcv - Read Interrupt (interrupt)
+ * 	6 rcv - Read Video (bulk)
+ * 	8 rcv - Read Audio (bulk)
+ */
+
+#define GO7007_USB_EZUSB		(1<<0)
+#define GO7007_USB_EZUSB_I2C		(1<<1)
+
+struct go7007_usb_board {
+	unsigned int flags;
+	struct go7007_board_info main_info;
+};
+
+struct go7007_usb {
+	struct go7007_usb_board *board;
+	struct semaphore i2c_lock;
+	struct usb_device *usbdev;
+	struct urb *video_urbs[8];
+	struct urb *audio_urbs[8];
+	struct urb *intr_urb;
+};
+
+/*********************** Product specification data ***********************/
+
+static struct go7007_usb_board board_matrix_ii = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.id	= I2C_DRIVERID_WIS_SAA7115,
+				.addr	= 0x20,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs 	 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 9,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
+static struct go7007_usb_board board_matrix_reload = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.id	= I2C_DRIVERID_WIS_SAA7113,
+				.addr	= 0x25,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs 	 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 9,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
+static struct go7007_usb_board board_star_trek = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = GO7007_BOARD_HAS_AUDIO, /* |
+					GO7007_BOARD_HAS_TUNER, */
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.id	= I2C_DRIVERID_WIS_SAA7115,
+				.addr	= 0x20,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs 	 = {
+			{
+				.video_input	= 1,
+			/*	.audio_input	= AUDIO_EXTERN, */
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+			/*	.audio_input	= AUDIO_EXTERN, */
+				.name		= "S-Video",
+			},
+		/*	{
+		 *		.video_input	= 3,
+		 *		.audio_input	= AUDIO_TUNER,
+		 *		.name		= "Tuner",
+		 *	},
+		 */
+		},
+	},
+};
+
+static struct go7007_usb_board board_px_tv402u = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_HAS_TUNER,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.num_i2c_devs	 = 3,
+		.i2c_devs	 = {
+			{
+				.id	= I2C_DRIVERID_WIS_SAA7115,
+				.addr	= 0x20,
+			},
+			{
+				.id	= I2C_DRIVERID_WIS_UDA1342,
+				.addr	= 0x1a,
+			},
+			{
+				.id	= I2C_DRIVERID_WIS_SONY_TUNER,
+				.addr	= 0x60,
+			},
+		},
+		.num_inputs	 = 3,
+		.inputs 	 = {
+			{
+				.video_input	= 1,
+		.audio_input	 = TVAUDIO_INPUT_EXTERN,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+				.audio_input	= TVAUDIO_INPUT_EXTERN,
+				.name		= "S-Video",
+			},
+			{
+				.video_input	= 3,
+				.audio_input	= TVAUDIO_INPUT_TUNER,
+				.name		= "Tuner",
+			},
+		},
+	},
+};
+
+static struct go7007_usb_board board_xmen = {
+	.flags		= 0,
+	.main_info	= {
+		.firmware	  = "go7007tv.bin",
+		.flags		  = GO7007_BOARD_USE_ONBOARD_I2C,
+		.hpi_buffer_cap   = 0,
+		.sensor_flags	  = GO7007_SENSOR_VREF_POLAR,
+		.sensor_width	  = 320,
+		.sensor_height	  = 240,
+		.sensor_framerate = 30030,
+		.audio_flags	  = GO7007_AUDIO_ONE_CHANNEL |
+					GO7007_AUDIO_I2S_MODE_3 |
+					GO7007_AUDIO_WORD_14 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_BCLK_POLAR |
+					GO7007_AUDIO_OKI_MODE,
+		.audio_rate	  = 8000,
+		.audio_bclk_div	  = 48,
+		.audio_main_div	  = 1,
+		.num_i2c_devs	  = 1,
+		.i2c_devs	  = {
+			{
+				.id	= I2C_DRIVERID_WIS_OV7640,
+				.addr	= 0x21,
+			},
+		},
+		.num_inputs	  = 1,
+		.inputs 	  = {
+			{
+				.name		= "Camera",
+			},
+		},
+	},
+};
+
+static struct go7007_usb_board board_matrix_revolution = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.id	= I2C_DRIVERID_WIS_TW9903,
+				.addr	= 0x44,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs 	 = {
+			{
+				.video_input	= 2,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 8,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
+static struct go7007_usb_board board_lifeview_lr192 = {
+	.flags		= GO7007_USB_EZUSB,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = GO7007_BOARD_HAS_AUDIO |
+					GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_VALID_ENABLE |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI |
+					GO7007_SENSOR_SCALING,
+		.num_i2c_devs	 = 0,
+		.num_inputs	 = 1,
+		.inputs 	 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+		},
+	},
+};
+
+static struct go7007_usb_board board_endura = {
+	.flags		= 0,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = 0,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 8000,
+		.audio_bclk_div	 = 48,
+		.audio_main_div	 = 8,
+		.hpi_buffer_cap  = 0,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.sensor_h_offset = 8,
+		.num_i2c_devs	 = 0,
+		.num_inputs	 = 1,
+		.inputs 	 = {
+			{
+				.name		= "Camera",
+			},
+		},
+	},
+};
+
+static struct go7007_usb_board board_adlink_mpg24 = {
+	.flags		= 0,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.flags		 = GO7007_BOARD_USE_ONBOARD_I2C,
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 0,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV |
+					GO7007_SENSOR_VBI,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.id	= I2C_DRIVERID_WIS_TW2804,
+				.addr	= 0x00, /* yes, really */
+			},
+		},
+		.num_inputs	 = 1,
+		.inputs 	 = {
+			{
+				.name		= "Composite",
+			},
+		},
+	},
+};
+
+static struct usb_device_id go7007_usb_id_table[] = {
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x200,   /* Revision number of XMen */
+		.bcdDevice_hi	= 0x200,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x202,   /* Revision number of Matrix II */
+		.bcdDevice_hi	= 0x202,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x204,   /* Revision number of Matrix */
+		.bcdDevice_hi	= 0x204,   /*     Reloaded */
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x205,   /* Revision number of XMen-II */
+		.bcdDevice_hi	= 0x205,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x208,   /* Revision number of Star Trek */
+		.bcdDevice_hi	= 0x208,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
+					USB_DEVICE_ID_MATCH_INT_INFO,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x209,   /* Revision number of XMen-III */
+		.bcdDevice_hi	= 0x209,
+		.bInterfaceClass	= 255,
+		.bInterfaceSubClass	= 0,
+		.bInterfaceProtocol	= 255,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
+		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
+		.bcdDevice_lo	= 0x210,   /* Revision number of Matrix */
+		.bcdDevice_hi	= 0x210,   /*     Revolution */
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
+		.idProduct	= 0xa102,  /* Product ID of M402U */
+		.bcdDevice_lo	= 0x1,	   /* revision number of Blueberry */
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
+		.idProduct	= 0xa104,  /* Product ID of TV402U */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
+	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x10fd,  /* Vendor ID of Anubis Electronics */
+		.idProduct	= 0xde00,  /* Product ID of Lifeview LR192 */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
+	},
+	{ }					/* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
+
+/********************* Driver for EZ-USB HPI interface *********************/
+
+static int go7007_usb_vendor_request(struct go7007 *go, int request,
+		int value, int index, void *transfer_buffer, int length, int in)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int timeout = 5000;
+
+	if (in) {
+		return usb_control_msg(usb->usbdev,
+				usb_rcvctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+				value, index, transfer_buffer, length, timeout);
+	} else {
+		return usb_control_msg(usb->usbdev,
+				usb_sndctrlpipe(usb->usbdev, 0), request,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				value, index, transfer_buffer, length, timeout);
+	}
+}
+
+static int go7007_usb_interface_reset(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	u16 intr_val, intr_data;
+
+	/* Reset encoder */
+	if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+		return -1;
+	msleep(100);
+
+	if (usb->board->flags & GO7007_USB_EZUSB) {
+		/* Reset buffer in EZ-USB */
+#ifdef GO7007_USB_DEBUG
+		printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
+#endif
+		if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
+		    go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
+			return -1;
+
+		/* Reset encoder again */
+		if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
+			return -1;
+		msleep(100);
+	}
+
+	/* Wait for an interrupt to indicate successful hardware reset */
+	if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
+			(intr_val & ~0x1) != 0x55aa) {
+		printk(KERN_ERR
+			"go7007-usb: unable to reset the USB interface\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
+						int addr, int data)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i, r;
+	u16 status_reg;
+	int timeout = 500;
+
+#ifdef GO7007_USB_DEBUG
+	printk(KERN_DEBUG
+		"go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
+#endif
+
+	for (i = 0; i < 100; ++i) {
+		r = usb_control_msg(usb->usbdev,
+				usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
+				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
+				0, HPI_STATUS_ADDR, &status_reg,
+				sizeof(status_reg), timeout);
+		if (r < 0)
+			goto write_int_error;
+		__le16_to_cpus(&status_reg);
+		if (!(status_reg & 0x0010))
+			break;
+		msleep(10);
+	}
+	if (i == 100) {
+		printk(KERN_ERR
+			"go7007-usb: device is hung, status reg = 0x%04x\n",
+			status_reg);
+		return -1;
+	}
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
+			USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
+			INT_PARAM_ADDR, NULL, 0, timeout);
+	if (r < 0)
+		goto write_int_error;
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
+			0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
+			INT_INDEX_ADDR, NULL, 0, timeout);
+	if (r < 0)
+		goto write_int_error;
+	return 0;
+
+write_int_error:
+	printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
+	return r;
+}
+
+static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
+						int addr, int data)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	u8 *tbuf;
+	int r;
+	int timeout = 500;
+
+#ifdef GO7007_USB_DEBUG
+	printk(KERN_DEBUG
+		"go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
+#endif
+
+	tbuf = kmalloc(8, GFP_KERNEL);
+	if (tbuf == NULL)
+		return -ENOMEM;
+	memset(tbuf, 0, 8);
+	tbuf[0] = data & 0xff;
+	tbuf[1] = data >> 8;
+	tbuf[2] = addr & 0xff;
+	tbuf[3] = addr >> 8;
+	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
+			USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
+			0xf0f0, tbuf, 8, timeout);
+	kfree(tbuf);
+	if (r < 0) {
+		printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
+		return r;
+	}
+	return 0;
+}
+
+static void go7007_usb_readinterrupt_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	u16 *regs = (u16 *)urb->transfer_buffer;
+
+	if (urb->status != 0) {
+		if (urb->status != -ESHUTDOWN &&
+				go->status != STATUS_SHUTDOWN) {
+			printk(KERN_ERR
+				"go7007-usb: error in read interrupt: %d\n",
+				urb->status);
+		} else {
+			wake_up(&go->interrupt_waitq);
+			return;
+		}
+	} else if (urb->actual_length != urb->transfer_buffer_length) {
+		printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
+	} else {
+		go->interrupt_available = 1;
+		go->interrupt_data = __le16_to_cpu(regs[0]);
+		go->interrupt_value = __le16_to_cpu(regs[1]);
+#ifdef GO7007_USB_DEBUG
+		printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
+				go->interrupt_value, go->interrupt_data);
+#endif
+	}
+
+	wake_up(&go->interrupt_waitq);
+}
+
+static int go7007_usb_read_interrupt(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int r;
+
+	r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
+	if (r < 0) {
+		printk(KERN_ERR
+			"go7007-usb: unable to submit interrupt urb: %d\n", r);
+		return r;
+	}
+	return 0;
+}
+
+static void go7007_usb_read_video_pipe_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	int r;
+
+	if (!go->streaming) {
+		wake_up_interruptible(&go->frame_waitq);
+		return;
+	}
+	if (urb->status != 0) {
+		printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
+				urb->status);
+		return;
+	}
+	if (urb->actual_length != urb->transfer_buffer_length) {
+		printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
+		return;
+	}
+	go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
+	r = usb_submit_urb(urb, GFP_ATOMIC);
+	if (r < 0)
+		printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
+}
+
+static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
+{
+	struct go7007 *go = (struct go7007 *)urb->context;
+	int r;
+
+	if (!go->streaming)
+		return;
+	if (urb->status != 0) {
+		printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
+				urb->status);
+		return;
+	}
+	if (urb->actual_length != urb->transfer_buffer_length) {
+		printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
+		return;
+	}
+	if (go->audio_deliver != NULL)
+		go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
+	r = usb_submit_urb(urb, GFP_ATOMIC);
+	if (r < 0)
+		printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
+}
+
+static int go7007_usb_stream_start(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i, r;
+
+	for (i = 0; i < 8; ++i) {
+		r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
+		if (r < 0) {
+			printk(KERN_ERR "go7007-usb: error submitting video "
+					"urb %d: %d\n", i, r);
+			goto video_submit_failed;
+		}
+	}
+	if (!go->audio_enabled)
+		return 0;
+
+	for (i = 0; i < 8; ++i) {
+		r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
+		if (r < 0) {
+			printk(KERN_ERR "go7007-usb: error submitting audio "
+					"urb %d: %d\n", i, r);
+			goto audio_submit_failed;
+		}
+	}
+	return 0;
+
+audio_submit_failed:
+	for (i = 0; i < 8; ++i)
+		usb_kill_urb(usb->audio_urbs[i]);
+video_submit_failed:
+	for (i = 0; i < 8; ++i)
+		usb_kill_urb(usb->video_urbs[i]);
+	return -1;
+}
+
+static int go7007_usb_stream_stop(struct go7007 *go)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int i;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return 0;
+	for (i = 0; i < 8; ++i)
+		usb_kill_urb(usb->video_urbs[i]);
+	if (go->audio_enabled)
+		for (i = 0; i < 8; ++i)
+			usb_kill_urb(usb->audio_urbs[i]);
+	return 0;
+}
+
+static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
+{
+	struct go7007_usb *usb = go->hpi_context;
+	int transferred, pipe;
+	int timeout = 500;
+
+#ifdef GO7007_USB_DEBUG
+	printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
+#endif
+
+	if (usb->board->flags & GO7007_USB_EZUSB)
+		pipe = usb_sndbulkpipe(usb->usbdev, 2);
+	else
+		pipe = usb_sndbulkpipe(usb->usbdev, 3);
+
+	return usb_bulk_msg(usb->usbdev, pipe, data, len,
+					&transferred, timeout);
+}
+
+static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
+	.interface_reset	= go7007_usb_interface_reset,
+	.write_interrupt	= go7007_usb_ezusb_write_interrupt,
+	.read_interrupt		= go7007_usb_read_interrupt,
+	.stream_start		= go7007_usb_stream_start,
+	.stream_stop		= go7007_usb_stream_stop,
+	.send_firmware		= go7007_usb_send_firmware,
+};
+
+static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
+	.interface_reset	= go7007_usb_interface_reset,
+	.write_interrupt	= go7007_usb_onboard_write_interrupt,
+	.read_interrupt		= go7007_usb_read_interrupt,
+	.stream_start		= go7007_usb_stream_start,
+	.stream_stop		= go7007_usb_stream_stop,
+	.send_firmware		= go7007_usb_send_firmware,
+};
+
+/********************* Driver for EZ-USB I2C adapter *********************/
+
+static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
+					struct i2c_msg msgs[], int num)
+{
+	struct go7007 *go = i2c_get_adapdata(adapter);
+	struct go7007_usb *usb = go->hpi_context;
+	u8 buf[16];
+	int buf_len, i;
+	int ret = -1;
+
+	if (go->status == STATUS_SHUTDOWN)
+		return -1;
+
+	down(&usb->i2c_lock);
+
+	for (i = 0; i < num; ++i) {
+		/* The hardware command is "write some bytes then read some
+		 * bytes", so we try to coalesce a write followed by a read
+		 * into a single USB transaction */
+		if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
+				!(msgs[i].flags & I2C_M_RD) &&
+				(msgs[i + 1].flags & I2C_M_RD)) {
+#ifdef GO7007_I2C_DEBUG
+			printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
+					"bytes on %02x\n", msgs[i].len,
+					msgs[i + 1].len, msgs[i].addr);
+#endif
+			buf[0] = 0x01;
+			buf[1] = msgs[i].len + 1;
+			buf[2] = msgs[i].addr << 1;
+			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+			buf_len = msgs[i].len + 3;
+			buf[buf_len++] = msgs[++i].len;
+		} else if (msgs[i].flags & I2C_M_RD) {
+#ifdef GO7007_I2C_DEBUG
+			printk(KERN_DEBUG "go7007-usb: i2c read %d "
+					"bytes on %02x\n", msgs[i].len,
+					msgs[i].addr);
+#endif
+			buf[0] = 0x01;
+			buf[1] = 1;
+			buf[2] = msgs[i].addr << 1;
+			buf[3] = msgs[i].len;
+			buf_len = 4;
+		} else {
+#ifdef GO7007_I2C_DEBUG
+			printk(KERN_DEBUG "go7007-usb: i2c write %d "
+					"bytes on %02x\n", msgs[i].len,
+					msgs[i].addr);
+#endif
+			buf[0] = 0x00;
+			buf[1] = msgs[i].len + 1;
+			buf[2] = msgs[i].addr << 1;
+			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
+			buf_len = msgs[i].len + 3;
+			buf[buf_len++] = 0;
+		}
+		if (go7007_usb_vendor_request(go, 0x24, 0, 0,
+						buf, buf_len, 0) < 0)
+			goto i2c_done;
+		if (msgs[i].flags & I2C_M_RD) {
+			memset(buf, 0, sizeof(buf));
+			if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
+						msgs[i].len + 1, 1) < 0)
+				goto i2c_done;
+			memcpy(msgs[i].buf, buf + 1, msgs[i].len);
+		}
+	}
+	ret = 0;
+
+i2c_done:
+	up(&usb->i2c_lock);
+	return ret;
+}
+
+static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
+{
+	/* No errors are reported by the hardware, so we don't bother
+	 * supporting quick writes to avoid confusing probing */
+	return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
+}
+
+static struct i2c_algorithm go7007_usb_algo = {
+	.master_xfer	= go7007_usb_i2c_master_xfer,
+	.functionality	= go7007_usb_functionality,
+};
+
+static struct i2c_adapter go7007_usb_adap_templ = {
+	.owner			= THIS_MODULE,
+	.class			= I2C_CLASS_TV_ANALOG,
+	.name			= "WIS GO7007SB EZ-USB",
+	.id			= I2C_ALGO_GO7007_USB,
+	.algo			= &go7007_usb_algo,
+};
+
+/********************* USB add/remove functions *********************/
+
+static int go7007_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	struct go7007 *go;
+	struct go7007_usb *usb;
+	struct go7007_usb_board *board;
+	struct usb_device *usbdev = interface_to_usbdev(intf);
+	char *name;
+	int video_pipe, i, v_urb_len;
+
+	printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
+
+	switch (id->driver_info) {
+	case GO7007_BOARDID_MATRIX_II:
+		name = "WIS Matrix II or compatible";
+		board = &board_matrix_ii;
+		break;
+	case GO7007_BOARDID_MATRIX_RELOAD:
+		name = "WIS Matrix Reloaded or compatible";
+		board = &board_matrix_reload;
+		break;
+	case GO7007_BOARDID_MATRIX_REV:
+		name = "WIS Matrix Revolution or compatible";
+		board = &board_matrix_revolution;
+		break;
+	case GO7007_BOARDID_STAR_TREK:
+		name = "WIS Star Trek or compatible";
+		board = &board_star_trek;
+		break;
+	case GO7007_BOARDID_XMEN:
+		name = "WIS XMen or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_XMEN_II:
+		name = "WIS XMen II or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_XMEN_III:
+		name = "WIS XMen III or compatible";
+		board = &board_xmen;
+		break;
+	case GO7007_BOARDID_PX_M402U:
+		name = "Plextor PX-M402U";
+		board = &board_matrix_ii;
+		break;
+	case GO7007_BOARDID_PX_TV402U_ANY:
+		name = "Plextor PX-TV402U (unknown tuner)";
+		board = &board_px_tv402u;
+		break;
+	case GO7007_BOARDID_LIFEVIEW_LR192:
+		printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
+				"is not supported.  Sorry!\n");
+		return 0;
+		name = "Lifeview TV Walker Ultra";
+		board = &board_lifeview_lr192;
+		break;
+	default:
+		printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
+				(unsigned int)id->driver_info);
+		return 0;
+	}
+
+	usb = kmalloc(sizeof(struct go7007_usb), GFP_KERNEL);
+	if (usb == NULL)
+		return -ENOMEM;
+	memset(usb, 0, sizeof(struct go7007_usb));
+
+	/* Allocate the URB and buffer for receiving incoming interrupts */
+	usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (usb->intr_urb == NULL)
+		goto allocfail;
+	usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
+	if (usb->intr_urb->transfer_buffer == NULL)
+		goto allocfail;
+
+	go = go7007_alloc(&board->main_info, &intf->dev);
+	if (go == NULL)
+		goto allocfail;
+	usb->board = board;
+	usb->usbdev = usbdev;
+	go->board_id = id->driver_info;
+	strncpy(go->name, name, sizeof(go->name));
+	if (board->flags & GO7007_USB_EZUSB)
+		go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
+	else
+		go->hpi_ops = &go7007_usb_onboard_hpi_ops;
+	go->hpi_context = usb;
+	usb_fill_int_urb(usb->intr_urb, usb->usbdev,
+			usb_rcvintpipe(usb->usbdev, 4),
+			usb->intr_urb->transfer_buffer, 2*sizeof(u16),
+			go7007_usb_readinterrupt_complete, go, 8);
+	usb_set_intfdata(intf, go);
+
+	/* Boot the GO7007 */
+	if (go7007_boot_encoder(go, go->board_info->flags &
+					GO7007_BOARD_USE_ONBOARD_I2C) < 0)
+		goto initfail;
+
+	/* Register the EZ-USB I2C adapter, if we're using it */
+	if (board->flags & GO7007_USB_EZUSB_I2C) {
+		memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
+				sizeof(go7007_usb_adap_templ));
+		init_MUTEX(&usb->i2c_lock);
+		go->i2c_adapter.dev.parent = go->dev;
+		i2c_set_adapdata(&go->i2c_adapter, go);
+		if (i2c_add_adapter(&go->i2c_adapter) < 0) {
+			printk(KERN_ERR
+				"go7007-usb: error: i2c_add_adapter failed\n");
+			goto initfail;
+		}
+		go->i2c_adapter_online = 1;
+	}
+
+	/* Pelco and Adlink reused the XMen and XMen-III vendor and product
+	 * IDs for their own incompatible designs.  We can detect XMen boards
+	 * by probing the sensor, but there is no way to probe the sensors on
+	 * the Pelco and Adlink designs so we default to the Adlink.  If it
+	 * is actually a Pelco, the user must set the assume_endura module
+	 * parameter. */
+	if ((go->board_id == GO7007_BOARDID_XMEN ||
+				go->board_id == GO7007_BOARDID_XMEN_III) &&
+			go->i2c_adapter_online) {
+		union i2c_smbus_data data;
+
+		/* Check to see if register 0x0A is 0x76 */
+		i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
+			I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
+		if (data.byte != 0x76) {
+			if (assume_endura) {
+				go->board_id = GO7007_BOARDID_ENDURA;
+				usb->board = board = &board_endura;
+				go->board_info = &board->main_info;
+				strncpy(go->name, "Pelco Endura",
+						sizeof(go->name));
+			} else {
+				u16 channel;
+
+				/* set GPIO5 to be an output, currently low */
+				go7007_write_addr(go, 0x3c82, 0x0000);
+				go7007_write_addr(go, 0x3c80, 0x00df);
+				/* read channel number from GPIO[1:0] */
+				go7007_read_addr(go, 0x3c81, &channel);
+				channel &= 0x3;
+				go->board_id = GO7007_BOARDID_ADLINK_MPG24;
+				usb->board = board = &board_adlink_mpg24;
+				go->board_info = &board->main_info;
+				go->channel_number = channel;
+				snprintf(go->name, sizeof(go->name),
+					"Adlink PCI-MPG24, channel #%d",
+					channel);
+			}
+		}
+	}
+
+	/* Probe the tuner model on the TV402U */
+	if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
+		u8 data[3];
+
+		/* Board strapping indicates tuner model */
+		if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
+			printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
+			goto initfail;
+		}
+		switch (data[0] >> 6) {
+		case 1:
+			go->board_id = GO7007_BOARDID_PX_TV402U_EU;
+			go->tuner_type = TUNER_SONY_BTF_PG472Z;
+			strncpy(go->name, "Plextor PX-TV402U-EU",
+					sizeof(go->name));
+			break;
+		case 2:
+			go->board_id = GO7007_BOARDID_PX_TV402U_JP;
+			go->tuner_type = TUNER_SONY_BTF_PK467Z;
+			strncpy(go->name, "Plextor PX-TV402U-JP",
+					sizeof(go->name));
+			break;
+		case 3:
+			go->board_id = GO7007_BOARDID_PX_TV402U_NA;
+			go->tuner_type = TUNER_SONY_BTF_PB463Z;
+			strncpy(go->name, "Plextor PX-TV402U-NA",
+					sizeof(go->name));
+			break;
+		default:
+			printk(KERN_DEBUG "go7007-usb: unable to detect "
+						"tuner type!\n");
+			break;
+		}
+		/* Configure tuner mode selection inputs connected
+		 * to the EZ-USB GPIO output pins */
+		if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
+					NULL, 0, 0) < 0) {
+			printk(KERN_ERR
+				"go7007-usb: GPIO write failed!\n");
+			goto initfail;
+		}
+	}
+
+	/* Print a nasty message if the user attempts to use a USB2.0 device in
+	 * a USB1.1 port.  There will be silent corruption of the stream. */
+	if ((board->flags & GO7007_USB_EZUSB) &&
+			usbdev->speed != USB_SPEED_HIGH)
+		printk(KERN_ERR "go7007-usb: *** WARNING ***  This device "
+				"must be connected to a USB 2.0 port!  "
+				"Attempting to capture video through a USB 1.1 "
+				"port will result in stream corruption, even "
+				"at low bitrates!\n");
+
+	/* Do any final GO7007 initialization, then register the
+	 * V4L2 and ALSA interfaces */
+	if (go7007_register_encoder(go) < 0)
+		goto initfail;
+
+	/* Allocate the URBs and buffers for receiving the video stream */
+	if (board->flags & GO7007_USB_EZUSB) {
+		v_urb_len = 1024;
+		video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
+	} else {
+		v_urb_len = 512;
+		video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
+	}
+	for (i = 0; i < 8; ++i) {
+		usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+		if (usb->video_urbs[i] == NULL)
+			goto initfail;
+		usb->video_urbs[i]->transfer_buffer =
+						kmalloc(v_urb_len, GFP_KERNEL);
+		if (usb->video_urbs[i]->transfer_buffer == NULL)
+			goto initfail;
+		usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
+				usb->video_urbs[i]->transfer_buffer, v_urb_len,
+				go7007_usb_read_video_pipe_complete, go);
+	}
+
+	/* Allocate the URBs and buffers for receiving the audio stream */
+	if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
+		for (i = 0; i < 8; ++i) {
+			usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
+			if (usb->audio_urbs[i] == NULL)
+				goto initfail;
+			usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
+								GFP_KERNEL);
+			if (usb->audio_urbs[i]->transfer_buffer == NULL)
+				goto initfail;
+			usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
+				usb_rcvbulkpipe(usb->usbdev, 8),
+				usb->audio_urbs[i]->transfer_buffer, 4096,
+				go7007_usb_read_audio_pipe_complete, go);
+		}
+
+
+	go->status = STATUS_ONLINE;
+	return 0;
+
+initfail:
+	go->status = STATUS_SHUTDOWN;
+	return 0;
+
+allocfail:
+	if (usb->intr_urb) {
+		kfree(usb->intr_urb->transfer_buffer);
+		usb_free_urb(usb->intr_urb);
+	}
+	kfree(usb);
+	return -ENOMEM;
+}
+
+static void go7007_usb_disconnect(struct usb_interface *intf)
+{
+	struct go7007 *go = usb_get_intfdata(intf);
+	struct go7007_usb *usb = go->hpi_context;
+	int i;
+
+	go->status = STATUS_SHUTDOWN;
+	usb_kill_urb(usb->intr_urb);
+
+	/* Free USB-related structs */
+	for (i = 0; i < 8; ++i) {
+		if (usb->video_urbs[i] != NULL) {
+			if (usb->video_urbs[i]->transfer_buffer != NULL)
+				kfree(usb->video_urbs[i]->transfer_buffer);
+			usb_free_urb(usb->video_urbs[i]);
+		}
+		if (usb->audio_urbs[i] != NULL) {
+			if (usb->audio_urbs[i]->transfer_buffer != NULL)
+				kfree(usb->audio_urbs[i]->transfer_buffer);
+			usb_free_urb(usb->audio_urbs[i]);
+		}
+	}
+	kfree(usb->intr_urb->transfer_buffer);
+	usb_free_urb(usb->intr_urb);
+
+	kfree(go->hpi_context);
+
+	go7007_remove(go);
+}
+
+static struct usb_driver go7007_usb_driver = {
+	.name		= "go7007",
+	.probe		= go7007_usb_probe,
+	.disconnect	= go7007_usb_disconnect,
+	.id_table	= go7007_usb_id_table,
+};
+
+static int __init go7007_usb_init(void)
+{
+	return usb_register(&go7007_usb_driver);
+}
+
+static void __exit go7007_usb_cleanup(void)
+{
+	usb_deregister(&go7007_usb_driver);
+}
+
+module_init(go7007_usb_init);
+module_exit(go7007_usb_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/go7007-v4l2.c b/drivers/staging/go7007/go7007-v4l2.c
new file mode 100644
index 00000000000..d54d0190d81
--- /dev/null
+++ b/drivers/staging/go7007/go7007-v4l2.c
@@ -0,0 +1,1503 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/fs.h>
+#include <linux/unistd.h>
+#include <linux/time.h>
+#include <linux/vmalloc.h>
+#include <linux/pagemap.h>
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
+#include <linux/i2c.h>
+#include <linux/semaphore.h>
+#include <linux/uaccess.h>
+#include <asm/system.h>
+
+#include "go7007.h"
+#include "go7007-priv.h"
+#include "wis-i2c.h"
+
+static void deactivate_buffer(struct go7007_buffer *gobuf)
+{
+	int i;
+
+	if (gobuf->state != BUF_STATE_IDLE) {
+		list_del(&gobuf->stream);
+		gobuf->state = BUF_STATE_IDLE;
+	}
+	if (gobuf->page_count > 0) {
+		for (i = 0; i < gobuf->page_count; ++i)
+			page_cache_release(gobuf->pages[i]);
+		gobuf->page_count = 0;
+	}
+}
+
+static void abort_queued(struct go7007 *go)
+{
+	struct go7007_buffer *gobuf, *next;
+
+	list_for_each_entry_safe(gobuf, next, &go->stream, stream) {
+		deactivate_buffer(gobuf);
+	}
+}
+
+static int go7007_streamoff(struct go7007 *go)
+{
+	int retval = -EINVAL;
+	unsigned long flags;
+
+	down(&go->hw_lock);
+	if (go->streaming) {
+		go->streaming = 0;
+		go7007_stream_stop(go);
+		spin_lock_irqsave(&go->spinlock, flags);
+		abort_queued(go);
+		spin_unlock_irqrestore(&go->spinlock, flags);
+		go7007_reset_encoder(go);
+		retval = 0;
+	}
+	up(&go->hw_lock);
+	return 0;
+}
+
+static int go7007_open(struct inode *inode, struct file *file)
+{
+	struct go7007 *go = video_get_drvdata(video_devdata(file));
+	struct go7007_file *gofh;
+
+	if (go->status != STATUS_ONLINE)
+		return -EBUSY;
+	gofh = kmalloc(sizeof(struct go7007_file), GFP_KERNEL);
+	if (gofh == NULL)
+		return -ENOMEM;
+	++go->ref_count;
+	gofh->go = go;
+	init_MUTEX(&gofh->lock);
+	gofh->buf_count = 0;
+	file->private_data = gofh;
+	return 0;
+}
+
+static int go7007_release(struct inode *inode, struct file *file)
+{
+	struct go7007_file *gofh = file->private_data;
+	struct go7007 *go = gofh->go;
+
+	if (gofh->buf_count > 0) {
+		go7007_streamoff(go);
+		go->in_use = 0;
+		kfree(gofh->bufs);
+		gofh->buf_count = 0;
+	}
+	kfree(gofh);
+	if (--go->ref_count == 0)
+		kfree(go);
+	file->private_data = NULL;
+	return 0;
+}
+
+static u32 get_frame_type_flag(struct go7007_buffer *gobuf, int format)
+{
+	u8 *f = page_address(gobuf->pages[0]);
+
+	switch (format) {
+	case GO7007_FORMAT_MJPEG:
+		return V4L2_BUF_FLAG_KEYFRAME;
+	case GO7007_FORMAT_MPEG4:
+		switch ((f[gobuf->frame_offset + 4] >> 6) & 0x3) {
+		case 0:
+			return V4L2_BUF_FLAG_KEYFRAME;
+		case 1:
+			return V4L2_BUF_FLAG_PFRAME;
+		case 2:
+			return V4L2_BUF_FLAG_BFRAME;
+		default:
+			return 0;
+		}
+	case GO7007_FORMAT_MPEG1:
+	case GO7007_FORMAT_MPEG2:
+		switch ((f[gobuf->frame_offset + 5] >> 3) & 0x7) {
+		case 1:
+			return V4L2_BUF_FLAG_KEYFRAME;
+		case 2:
+			return V4L2_BUF_FLAG_PFRAME;
+		case 3:
+			return V4L2_BUF_FLAG_BFRAME;
+		default:
+			return 0;
+		}
+	}
+
+	return 0;
+}
+
+static int set_capture_size(struct go7007 *go, struct v4l2_format *fmt, int try)
+{
+	int sensor_height = 0, sensor_width = 0;
+	int width, height, i;
+
+	if (fmt != NULL && fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG &&
+			fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG &&
+			fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG4)
+		return -EINVAL;
+
+	switch (go->standard) {
+	case GO7007_STD_NTSC:
+		sensor_width = 720;
+		sensor_height = 480;
+		break;
+	case GO7007_STD_PAL:
+		sensor_width = 720;
+		sensor_height = 576;
+		break;
+	case GO7007_STD_OTHER:
+		sensor_width = go->board_info->sensor_width;
+		sensor_height = go->board_info->sensor_height;
+		break;
+	}
+
+	if (fmt == NULL) {
+		width = sensor_width;
+		height = sensor_height;
+	} else if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) {
+		if (fmt->fmt.pix.width > sensor_width)
+			width = sensor_width;
+		else if (fmt->fmt.pix.width < 144)
+			width = 144;
+		else
+			width = fmt->fmt.pix.width & ~0x0f;
+
+		if (fmt->fmt.pix.height > sensor_height)
+			height = sensor_height;
+		else if (fmt->fmt.pix.height < 96)
+			height = 96;
+		else
+			height = fmt->fmt.pix.height & ~0x0f;
+	} else {
+		int requested_size = fmt->fmt.pix.width * fmt->fmt.pix.height;
+		int sensor_size = sensor_width * sensor_height;
+
+		if (64 * requested_size < 9 * sensor_size) {
+			width = sensor_width / 4;
+			height = sensor_height / 4;
+		} else if (64 * requested_size < 36 * sensor_size) {
+			width = sensor_width / 2;
+			height = sensor_height / 2;
+		} else {
+			width = sensor_width;
+			height = sensor_height;
+		}
+		width &= ~0xf;
+		height &= ~0xf;
+	}
+
+	if (fmt != NULL) {
+		u32 pixelformat = fmt->fmt.pix.pixelformat;
+
+		memset(fmt, 0, sizeof(*fmt));
+		fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		fmt->fmt.pix.width = width;
+		fmt->fmt.pix.height = height;
+		fmt->fmt.pix.pixelformat = pixelformat;
+		fmt->fmt.pix.field = V4L2_FIELD_NONE;
+		fmt->fmt.pix.bytesperline = 0;
+		fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE;
+		fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* ?? */
+	}
+
+	if (try)
+		return 0;
+
+	go->width = width;
+	go->height = height;
+	go->encoder_h_offset = go->board_info->sensor_h_offset;
+	go->encoder_v_offset = go->board_info->sensor_v_offset;
+	for (i = 0; i < 4; ++i)
+		go->modet[i].enable = 0;
+	for (i = 0; i < 1624; ++i)
+		go->modet_map[i] = 0;
+
+	if (go->board_info->sensor_flags & GO7007_SENSOR_SCALING) {
+		struct video_decoder_resolution res;
+
+		res.width = width;
+		if (height > sensor_height / 2) {
+			res.height = height / 2;
+			go->encoder_v_halve = 0;
+		} else {
+			res.height = height;
+			go->encoder_v_halve = 1;
+		}
+		if (go->i2c_adapter_online)
+			i2c_clients_command(&go->i2c_adapter,
+					DECODER_SET_RESOLUTION, &res);
+	} else {
+		if (width <= sensor_width / 4) {
+			go->encoder_h_halve = 1;
+			go->encoder_v_halve = 1;
+			go->encoder_subsample = 1;
+		} else if (width <= sensor_width / 2) {
+			go->encoder_h_halve = 1;
+			go->encoder_v_halve = 1;
+			go->encoder_subsample = 0;
+		} else {
+			go->encoder_h_halve = 0;
+			go->encoder_v_halve = 0;
+			go->encoder_subsample = 0;
+		}
+	}
+
+	if (fmt == NULL)
+		return 0;
+
+	switch (fmt->fmt.pix.pixelformat) {
+	case V4L2_PIX_FMT_MPEG:
+		if (go->format == GO7007_FORMAT_MPEG1 ||
+				go->format == GO7007_FORMAT_MPEG2 ||
+				go->format == GO7007_FORMAT_MPEG4)
+			break;
+		go->format = GO7007_FORMAT_MPEG1;
+		go->pali = 0;
+		go->aspect_ratio = GO7007_RATIO_1_1;
+		go->gop_size = go->sensor_framerate / 1000;
+		go->ipb = 0;
+		go->closed_gop = 1;
+		go->repeat_seqhead = 1;
+		go->seq_header_enable = 1;
+		go->gop_header_enable = 1;
+		go->dvd_mode = 0;
+		break;
+	/* Backwards compatibility only! */
+	case V4L2_PIX_FMT_MPEG4:
+		if (go->format == GO7007_FORMAT_MPEG4)
+			break;
+		go->format = GO7007_FORMAT_MPEG4;
+		go->pali = 0xf5;
+		go->aspect_ratio = GO7007_RATIO_1_1;
+		go->gop_size = go->sensor_framerate / 1000;
+		go->ipb = 0;
+		go->closed_gop = 1;
+		go->repeat_seqhead = 1;
+		go->seq_header_enable = 1;
+		go->gop_header_enable = 1;
+		go->dvd_mode = 0;
+		break;
+	case V4L2_PIX_FMT_MJPEG:
+		go->format = GO7007_FORMAT_MJPEG;
+		go->pali = 0;
+		go->aspect_ratio = GO7007_RATIO_1_1;
+		go->gop_size = 0;
+		go->ipb = 0;
+		go->closed_gop = 0;
+		go->repeat_seqhead = 0;
+		go->seq_header_enable = 0;
+		go->gop_header_enable = 0;
+		go->dvd_mode = 0;
+		break;
+	}
+	return 0;
+}
+
+static int clip_to_modet_map(struct go7007 *go, int region,
+		struct v4l2_clip *clip_list)
+{
+	struct v4l2_clip clip, *clip_ptr;
+	int x, y, mbnum;
+
+	/* Check if coordinates are OK and if any macroblocks are already
+	 * used by other regions (besides 0) */
+	clip_ptr = clip_list;
+	while (clip_ptr) {
+		if (copy_from_user(&clip, clip_ptr, sizeof(clip)))
+			return -EFAULT;
+		if (clip.c.left < 0 || (clip.c.left & 0xF) ||
+				clip.c.width <= 0 || (clip.c.width & 0xF))
+			return -EINVAL;
+		if (clip.c.left + clip.c.width > go->width)
+			return -EINVAL;
+		if (clip.c.top < 0 || (clip.c.top & 0xF) ||
+				clip.c.height <= 0 || (clip.c.height & 0xF))
+			return -EINVAL;
+		if (clip.c.top + clip.c.height > go->height)
+			return -EINVAL;
+		for (y = 0; y < clip.c.height; y += 16)
+			for (x = 0; x < clip.c.width; x += 16) {
+				mbnum = (go->width >> 4) *
+						((clip.c.top + y) >> 4) +
+					((clip.c.left + x) >> 4);
+				if (go->modet_map[mbnum] != 0 &&
+						go->modet_map[mbnum] != region)
+					return -EBUSY;
+			}
+		clip_ptr = clip.next;
+	}
+
+	/* Clear old region macroblocks */
+	for (mbnum = 0; mbnum < 1624; ++mbnum)
+		if (go->modet_map[mbnum] == region)
+			go->modet_map[mbnum] = 0;
+
+	/* Claim macroblocks in this list */
+	clip_ptr = clip_list;
+	while (clip_ptr) {
+		if (copy_from_user(&clip, clip_ptr, sizeof(clip)))
+			return -EFAULT;
+		for (y = 0; y < clip.c.height; y += 16)
+			for (x = 0; x < clip.c.width; x += 16) {
+				mbnum = (go->width >> 4) *
+						((clip.c.top + y) >> 4) +
+					((clip.c.left + x) >> 4);
+				go->modet_map[mbnum] = region;
+			}
+		clip_ptr = clip.next;
+	}
+	return 0;
+}
+
+static int go7007_do_ioctl(struct inode *inode, struct file *file,
+		unsigned int cmd, void *arg)
+{
+	struct go7007_file *gofh = file->private_data;
+	struct go7007 *go = gofh->go;
+	unsigned long flags;
+	int retval = 0;
+
+	switch (cmd) {
+	case VIDIOC_QUERYCAP:
+	{
+		struct v4l2_capability *cap = arg;
+
+		memset(cap, 0, sizeof(*cap));
+		strcpy(cap->driver, "go7007");
+		strncpy(cap->card, go->name, sizeof(cap->card));
+		cap->version = KERNEL_VERSION(0, 9, 8);
+		cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
+				V4L2_CAP_STREAMING; /* | V4L2_CAP_AUDIO; */
+		if (go->board_info->flags & GO7007_BOARD_HAS_TUNER)
+			cap->capabilities |= V4L2_CAP_TUNER;
+		return 0;
+	}
+	case VIDIOC_ENUM_FMT:
+	{
+		struct v4l2_fmtdesc *fmt = arg;
+		unsigned int index;
+		char *desc;
+		u32 pixelformat;
+
+		if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		switch (fmt->index) {
+		case 0:
+			pixelformat = V4L2_PIX_FMT_MJPEG;
+			desc = "Motion-JPEG";
+			break;
+		case 1:
+			pixelformat = V4L2_PIX_FMT_MPEG;
+			desc = "MPEG1/MPEG2/MPEG4";
+			break;
+		default:
+			return -EINVAL;
+		}
+		index = fmt->index;
+		memset(fmt, 0, sizeof(*fmt));
+		fmt->index = index;
+		fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		fmt->flags = V4L2_FMT_FLAG_COMPRESSED;
+		strncpy(fmt->description, desc, sizeof(fmt->description));
+		fmt->pixelformat = pixelformat;
+
+		return 0;
+	}
+	case VIDIOC_TRY_FMT:
+	{
+		struct v4l2_format *fmt = arg;
+
+		if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		return set_capture_size(go, fmt, 1);
+	}
+	case VIDIOC_G_FMT:
+	{
+		struct v4l2_format *fmt = arg;
+
+		if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		memset(fmt, 0, sizeof(*fmt));
+		fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		fmt->fmt.pix.width = go->width;
+		fmt->fmt.pix.height = go->height;
+		fmt->fmt.pix.pixelformat = go->format == GO7007_FORMAT_MJPEG ?
+			V4L2_PIX_FMT_MJPEG : V4L2_PIX_FMT_MPEG;
+		fmt->fmt.pix.field = V4L2_FIELD_NONE;
+		fmt->fmt.pix.bytesperline = 0;
+		fmt->fmt.pix.sizeimage = GO7007_BUF_SIZE;
+		fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* ?? */
+		return 0;
+	}
+	case VIDIOC_S_FMT:
+	{
+		struct v4l2_format *fmt = arg;
+
+		if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		if (go->streaming)
+			return -EBUSY;
+		return set_capture_size(go, fmt, 0);
+	}
+	case VIDIOC_G_FBUF:
+	case VIDIOC_S_FBUF:
+		return -EINVAL;
+	case VIDIOC_REQBUFS:
+	{
+		struct v4l2_requestbuffers *req = arg;
+		unsigned int count, i;
+
+		if (go->streaming)
+			return -EBUSY;
+		if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+				req->memory != V4L2_MEMORY_MMAP)
+			return -EINVAL;
+
+		down(&gofh->lock);
+		retval = -EBUSY;
+		for (i = 0; i < gofh->buf_count; ++i)
+			if (gofh->bufs[i].mapped > 0)
+				goto unlock_and_return;
+		down(&go->hw_lock);
+		if (go->in_use > 0 && gofh->buf_count == 0) {
+			up(&go->hw_lock);
+			goto unlock_and_return;
+		}
+		if (gofh->buf_count > 0)
+			kfree(gofh->bufs);
+		retval = -ENOMEM;
+		count = req->count;
+		if (count > 0) {
+			if (count < 2)
+				count = 2;
+			if (count > 32)
+				count = 32;
+			gofh->bufs = kmalloc(count *
+						sizeof(struct go7007_buffer),
+					GFP_KERNEL);
+			if (gofh->bufs == NULL) {
+				up(&go->hw_lock);
+				goto unlock_and_return;
+			}
+			memset(gofh->bufs, 0,
+					count * sizeof(struct go7007_buffer));
+			for (i = 0; i < count; ++i) {
+				gofh->bufs[i].go = go;
+				gofh->bufs[i].index = i;
+				gofh->bufs[i].state = BUF_STATE_IDLE;
+				gofh->bufs[i].mapped = 0;
+			}
+			go->in_use = 1;
+		} else {
+			go->in_use = 0;
+		}
+		gofh->buf_count = count;
+		up(&go->hw_lock);
+		up(&gofh->lock);
+		memset(req, 0, sizeof(*req));
+		req->count = count;
+		req->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		req->memory = V4L2_MEMORY_MMAP;
+		return 0;
+	}
+	case VIDIOC_QUERYBUF:
+	{
+		struct v4l2_buffer *buf = arg;
+		unsigned int index;
+
+		retval = -EINVAL;
+		if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		index = buf->index;
+		down(&gofh->lock);
+		if (index >= gofh->buf_count)
+			goto unlock_and_return;
+		memset(buf, 0, sizeof(*buf));
+		buf->index = index;
+		buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		switch (gofh->bufs[index].state) {
+		case BUF_STATE_QUEUED:
+			buf->flags = V4L2_BUF_FLAG_QUEUED;
+			break;
+		case BUF_STATE_DONE:
+			buf->flags = V4L2_BUF_FLAG_DONE;
+			break;
+		default:
+			buf->flags = 0;
+		}
+		if (gofh->bufs[index].mapped)
+			buf->flags |= V4L2_BUF_FLAG_MAPPED;
+		buf->memory = V4L2_MEMORY_MMAP;
+		buf->m.offset = index * GO7007_BUF_SIZE;
+		buf->length = GO7007_BUF_SIZE;
+		up(&gofh->lock);
+
+		return 0;
+	}
+	case VIDIOC_QBUF:
+	{
+		struct v4l2_buffer *buf = arg;
+		struct go7007_buffer *gobuf;
+		int ret;
+
+		retval = -EINVAL;
+		if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+				buf->memory != V4L2_MEMORY_MMAP)
+			return -EINVAL;
+		down(&gofh->lock);
+		if (buf->index < 0 || buf->index >= gofh->buf_count)
+			goto unlock_and_return;
+		gobuf = &gofh->bufs[buf->index];
+		if (gobuf->mapped == 0)
+			goto unlock_and_return;
+		retval = -EBUSY;
+		if (gobuf->state != BUF_STATE_IDLE)
+			goto unlock_and_return;
+		/* offset will be 0 until we really support USERPTR streaming */
+		gobuf->offset = gobuf->user_addr & ~PAGE_MASK;
+		gobuf->bytesused = 0;
+		gobuf->frame_offset = 0;
+		gobuf->modet_active = 0;
+		if (gobuf->offset > 0)
+			gobuf->page_count = GO7007_BUF_PAGES + 1;
+		else
+			gobuf->page_count = GO7007_BUF_PAGES;
+		retval = -ENOMEM;
+		down_read(&current->mm->mmap_sem);
+		ret = get_user_pages(current, current->mm,
+				gobuf->user_addr & PAGE_MASK, gobuf->page_count,
+				1, 1, gobuf->pages, NULL);
+		up_read(&current->mm->mmap_sem);
+		if (ret != gobuf->page_count) {
+			int i;
+			for (i = 0; i < ret; ++i)
+				page_cache_release(gobuf->pages[i]);
+			gobuf->page_count = 0;
+			goto unlock_and_return;
+		}
+		gobuf->state = BUF_STATE_QUEUED;
+		spin_lock_irqsave(&go->spinlock, flags);
+		list_add_tail(&gobuf->stream, &go->stream);
+		spin_unlock_irqrestore(&go->spinlock, flags);
+		up(&gofh->lock);
+		return 0;
+	}
+	case VIDIOC_DQBUF:
+	{
+		struct v4l2_buffer *buf = arg;
+		struct go7007_buffer *gobuf;
+		u32 frame_type_flag;
+		DEFINE_WAIT(wait);
+
+		if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		if (buf->memory != V4L2_MEMORY_MMAP)
+			return -EINVAL;
+		down(&gofh->lock);
+		retval = -EINVAL;
+		if (list_empty(&go->stream))
+			goto unlock_and_return;
+		gobuf = list_entry(go->stream.next,
+				struct go7007_buffer, stream);
+		retval = -EAGAIN;
+		if (gobuf->state != BUF_STATE_DONE &&
+				!(file->f_flags & O_NONBLOCK)) {
+			for (;;) {
+				prepare_to_wait(&go->frame_waitq, &wait,
+						TASK_INTERRUPTIBLE);
+				if (gobuf->state == BUF_STATE_DONE)
+					break;
+				if (signal_pending(current)) {
+					retval = -ERESTARTSYS;
+					break;
+				}
+				schedule();
+			}
+			finish_wait(&go->frame_waitq, &wait);
+		}
+		if (gobuf->state != BUF_STATE_DONE)
+			goto unlock_and_return;
+		spin_lock_irqsave(&go->spinlock, flags);
+		deactivate_buffer(gobuf);
+		spin_unlock_irqrestore(&go->spinlock, flags);
+		frame_type_flag = get_frame_type_flag(gobuf, go->format);
+		gobuf->state = BUF_STATE_IDLE;
+		memset(buf, 0, sizeof(*buf));
+		buf->index = gobuf->index;
+		buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		buf->bytesused = gobuf->bytesused;
+		buf->flags = V4L2_BUF_FLAG_MAPPED | frame_type_flag;
+		buf->field = V4L2_FIELD_NONE;
+		buf->timestamp = gobuf->timestamp;
+		buf->sequence = gobuf->seq;
+		buf->memory = V4L2_MEMORY_MMAP;
+		buf->m.offset = gobuf->index * GO7007_BUF_SIZE;
+		buf->length = GO7007_BUF_SIZE;
+		buf->reserved = gobuf->modet_active;
+		up(&gofh->lock);
+		return 0;
+	}
+	case VIDIOC_STREAMON:
+	{
+		unsigned int *type = arg;
+
+		if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		down(&gofh->lock);
+		down(&go->hw_lock);
+		if (!go->streaming) {
+			go->streaming = 1;
+			go->next_seq = 0;
+			go->active_buf = NULL;
+			if (go7007_start_encoder(go) < 0)
+				retval = -EIO;
+			else
+				retval = 0;
+		}
+		up(&go->hw_lock);
+		up(&gofh->lock);
+		return retval;
+	}
+	case VIDIOC_STREAMOFF:
+	{
+		unsigned int *type = arg;
+
+		if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		down(&gofh->lock);
+		go7007_streamoff(go);
+		up(&gofh->lock);
+		return 0;
+	}
+	case VIDIOC_QUERYCTRL:
+	{
+		struct v4l2_queryctrl *ctrl = arg;
+		u32 id;
+
+		if (!go->i2c_adapter_online)
+			return -EIO;
+		id = ctrl->id;
+		memset(ctrl, 0, sizeof(*ctrl));
+		ctrl->id = id;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_QUERYCTRL, arg);
+		return ctrl->name[0] == 0 ? -EINVAL : 0;
+	}
+	case VIDIOC_G_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+		struct v4l2_queryctrl query;
+
+		if (!go->i2c_adapter_online)
+			return -EIO;
+		memset(&query, 0, sizeof(query));
+		query.id = ctrl->id;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_QUERYCTRL, &query);
+		if (query.name[0] == 0)
+			return -EINVAL;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_G_CTRL, arg);
+		return 0;
+	}
+	case VIDIOC_S_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+		struct v4l2_queryctrl query;
+
+		if (!go->i2c_adapter_online)
+			return -EIO;
+		memset(&query, 0, sizeof(query));
+		query.id = ctrl->id;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_QUERYCTRL, &query);
+		if (query.name[0] == 0)
+			return -EINVAL;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_S_CTRL, arg);
+		return 0;
+	}
+	case VIDIOC_G_PARM:
+	{
+		struct v4l2_streamparm *parm = arg;
+		struct v4l2_fract timeperframe = {
+			.numerator = 1001 *  go->fps_scale,
+			.denominator = go->sensor_framerate,
+		};
+
+		if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		memset(parm, 0, sizeof(*parm));
+		parm->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		parm->parm.capture.capability |= V4L2_CAP_TIMEPERFRAME;
+		parm->parm.capture.timeperframe = timeperframe;
+		return 0;
+	}
+	case VIDIOC_S_PARM:
+	{
+		struct v4l2_streamparm *parm = arg;
+		unsigned int n, d;
+
+		if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		if (parm->parm.capture.capturemode != 0)
+			return -EINVAL;
+		n = go->sensor_framerate *
+			parm->parm.capture.timeperframe.numerator;
+		d = 1001 * parm->parm.capture.timeperframe.denominator;
+		if (n != 0 && d != 0 && n > d)
+			go->fps_scale = (n + d/2) / d;
+		else
+			go->fps_scale = 1;
+		return 0;
+	}
+	case VIDIOC_ENUMSTD:
+	{
+		struct v4l2_standard *std = arg;
+
+		if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
+				go->input == go->board_info->num_inputs - 1) {
+			if (!go->i2c_adapter_online)
+				return -EIO;
+			i2c_clients_command(&go->i2c_adapter,
+						VIDIOC_ENUMSTD, arg);
+			if (!std->id) /* hack to indicate EINVAL from tuner */
+				return -EINVAL;
+		} else if (go->board_info->sensor_flags & GO7007_SENSOR_TV) {
+			switch (std->index) {
+			case 0:
+				v4l2_video_std_construct(std,
+						V4L2_STD_NTSC, "NTSC");
+				break;
+			case 1:
+				v4l2_video_std_construct(std,
+						V4L2_STD_PAL | V4L2_STD_SECAM,
+						"PAL/SECAM");
+				break;
+			default:
+				return -EINVAL;
+			}
+		} else {
+			if (std->index != 0)
+				return -EINVAL;
+			memset(std, 0, sizeof(*std));
+			snprintf(std->name, sizeof(std->name), "%dx%d, %dfps",
+				go->board_info->sensor_width,
+				go->board_info->sensor_height,
+				go->board_info->sensor_framerate / 1000);
+			std->frameperiod.numerator = 1001;
+			std->frameperiod.denominator =
+					go->board_info->sensor_framerate;
+		}
+		return 0;
+	}
+	case VIDIOC_G_STD:
+	{
+		v4l2_std_id *std = arg;
+
+		if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
+				go->input == go->board_info->num_inputs - 1) {
+			if (!go->i2c_adapter_online)
+				return -EIO;
+			i2c_clients_command(&go->i2c_adapter,
+						VIDIOC_G_STD, arg);
+		} else if (go->board_info->sensor_flags & GO7007_SENSOR_TV) {
+			if (go->standard == GO7007_STD_NTSC)
+				*std = V4L2_STD_NTSC;
+			else
+				*std = V4L2_STD_PAL | V4L2_STD_SECAM;
+		} else
+			*std = 0;
+		return 0;
+	}
+	case VIDIOC_S_STD:
+	{
+		v4l2_std_id *std = arg;
+		int norm;
+
+		if (go->streaming)
+			return -EBUSY;
+		if (!(go->board_info->sensor_flags & GO7007_SENSOR_TV) &&
+				*std != 0)
+			return -EINVAL;
+		if (*std == 0)
+			return -EINVAL;
+		if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
+				go->input == go->board_info->num_inputs - 1) {
+			if (!go->i2c_adapter_online)
+				return -EIO;
+			i2c_clients_command(&go->i2c_adapter,
+						VIDIOC_S_STD, arg);
+			if (!*std) /* hack to indicate EINVAL from tuner */
+				return -EINVAL;
+		}
+		if (*std & V4L2_STD_NTSC) {
+			go->standard = GO7007_STD_NTSC;
+			go->sensor_framerate = 30000;
+			norm = VIDEO_MODE_NTSC;
+		} else if (*std & V4L2_STD_PAL) {
+			go->standard = GO7007_STD_PAL;
+			go->sensor_framerate = 25025;
+			norm = VIDEO_MODE_PAL;
+		} else if (*std & V4L2_STD_SECAM) {
+			go->standard = GO7007_STD_PAL;
+			go->sensor_framerate = 25025;
+			norm = VIDEO_MODE_SECAM;
+		} else
+			return -EINVAL;
+		if (go->i2c_adapter_online)
+			i2c_clients_command(&go->i2c_adapter,
+						DECODER_SET_NORM, &norm);
+		set_capture_size(go, NULL, 0);
+		return 0;
+	}
+	case VIDIOC_QUERYSTD:
+	{
+		v4l2_std_id *std = arg;
+
+		if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
+				go->input == go->board_info->num_inputs - 1) {
+			if (!go->i2c_adapter_online)
+				return -EIO;
+			i2c_clients_command(&go->i2c_adapter,
+						VIDIOC_QUERYSTD, arg);
+		} else if (go->board_info->sensor_flags & GO7007_SENSOR_TV)
+			*std = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM;
+		else
+			*std = 0;
+		return 0;
+	}
+	case VIDIOC_ENUMINPUT:
+	{
+		struct v4l2_input *inp = arg;
+		int index;
+
+		if (inp->index >= go->board_info->num_inputs)
+			return -EINVAL;
+		index = inp->index;
+		memset(inp, 0, sizeof(*inp));
+		inp->index = index;
+		strncpy(inp->name, go->board_info->inputs[index].name,
+				sizeof(inp->name));
+		/* If this board has a tuner, it will be the last input */
+		if ((go->board_info->flags & GO7007_BOARD_HAS_TUNER) &&
+				index == go->board_info->num_inputs - 1)
+			inp->type = V4L2_INPUT_TYPE_TUNER;
+		else
+			inp->type = V4L2_INPUT_TYPE_CAMERA;
+		inp->audioset = 0;
+		inp->tuner = 0;
+		if (go->board_info->sensor_flags & GO7007_SENSOR_TV)
+			inp->std = V4L2_STD_NTSC | V4L2_STD_PAL |
+							V4L2_STD_SECAM;
+		else
+			inp->std = 0;
+		return 0;
+	}
+	case VIDIOC_G_INPUT:
+	{
+		int *input = arg;
+
+		*input = go->input;
+		return 0;
+	}
+	case VIDIOC_S_INPUT:
+	{
+		int *input = arg;
+
+		if (*input >= go->board_info->num_inputs)
+			return -EINVAL;
+		if (go->streaming)
+			return -EBUSY;
+		go->input = *input;
+		if (go->i2c_adapter_online) {
+			i2c_clients_command(&go->i2c_adapter, DECODER_SET_INPUT,
+				&go->board_info->inputs[*input].video_input);
+			i2c_clients_command(&go->i2c_adapter, VIDIOC_S_AUDIO,
+				&go->board_info->inputs[*input].audio_input);
+		}
+		return 0;
+	}
+	case VIDIOC_G_TUNER:
+	{
+		struct v4l2_tuner *t = arg;
+
+		if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
+			return -EINVAL;
+		if (t->index != 0)
+			return -EINVAL;
+		if (!go->i2c_adapter_online)
+			return -EIO;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_G_TUNER, arg);
+		t->index = 0;
+		return 0;
+	}
+	case VIDIOC_S_TUNER:
+	{
+		struct v4l2_tuner *t = arg;
+
+		if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
+			return -EINVAL;
+		if (t->index != 0)
+			return -EINVAL;
+		if (!go->i2c_adapter_online)
+			return -EIO;
+		switch (go->board_id) {
+		case GO7007_BOARDID_PX_TV402U_NA:
+		case GO7007_BOARDID_PX_TV402U_JP:
+			/* No selectable options currently */
+			if (t->audmode != V4L2_TUNER_MODE_STEREO)
+				return -EINVAL;
+			break;
+		}
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_S_TUNER, arg);
+		return 0;
+	}
+	case VIDIOC_G_FREQUENCY:
+	{
+		struct v4l2_frequency *f = arg;
+
+		if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
+			return -EINVAL;
+		if (!go->i2c_adapter_online)
+			return -EIO;
+		memset(f, 0, sizeof(*f));
+		f->type = V4L2_TUNER_ANALOG_TV;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_G_FREQUENCY, arg);
+		return 0;
+	}
+	case VIDIOC_S_FREQUENCY:
+	{
+		if (!(go->board_info->flags & GO7007_BOARD_HAS_TUNER))
+			return -EINVAL;
+		if (!go->i2c_adapter_online)
+			return -EIO;
+		i2c_clients_command(&go->i2c_adapter, VIDIOC_S_FREQUENCY, arg);
+		return 0;
+	}
+	case VIDIOC_CROPCAP:
+	{
+		struct v4l2_cropcap *cropcap = arg;
+
+		if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		memset(cropcap, 0, sizeof(*cropcap));
+		cropcap->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		/* These specify the raw input of the sensor */
+		switch (go->standard) {
+		case GO7007_STD_NTSC:
+			cropcap->bounds.top = 0;
+			cropcap->bounds.left = 0;
+			cropcap->bounds.width = 720;
+			cropcap->bounds.height = 480;
+			cropcap->defrect.top = 0;
+			cropcap->defrect.left = 0;
+			cropcap->defrect.width = 720;
+			cropcap->defrect.height = 480;
+			break;
+		case GO7007_STD_PAL:
+			cropcap->bounds.top = 0;
+			cropcap->bounds.left = 0;
+			cropcap->bounds.width = 720;
+			cropcap->bounds.height = 576;
+			cropcap->defrect.top = 0;
+			cropcap->defrect.left = 0;
+			cropcap->defrect.width = 720;
+			cropcap->defrect.height = 576;
+			break;
+		case GO7007_STD_OTHER:
+			cropcap->bounds.top = 0;
+			cropcap->bounds.left = 0;
+			cropcap->bounds.width = go->board_info->sensor_width;
+			cropcap->bounds.height = go->board_info->sensor_height;
+			cropcap->defrect.top = 0;
+			cropcap->defrect.left = 0;
+			cropcap->defrect.width = go->board_info->sensor_width;
+			cropcap->defrect.height = go->board_info->sensor_height;
+			break;
+		}
+
+		return 0;
+	}
+	case VIDIOC_G_CROP:
+	{
+		struct v4l2_crop *crop = arg;
+
+		if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		memset(crop, 0, sizeof(*crop));
+		crop->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+		/* These specify the raw input of the sensor */
+		switch (go->standard) {
+		case GO7007_STD_NTSC:
+			crop->c.top = 0;
+			crop->c.left = 0;
+			crop->c.width = 720;
+			crop->c.height = 480;
+			break;
+		case GO7007_STD_PAL:
+			crop->c.top = 0;
+			crop->c.left = 0;
+			crop->c.width = 720;
+			crop->c.height = 576;
+			break;
+		case GO7007_STD_OTHER:
+			crop->c.top = 0;
+			crop->c.left = 0;
+			crop->c.width = go->board_info->sensor_width;
+			crop->c.height = go->board_info->sensor_height;
+			break;
+		}
+
+		return 0;
+	}
+	case VIDIOC_S_CROP:
+	{
+		struct v4l2_crop *crop = arg;
+
+		if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+			return -EINVAL;
+		return 0;
+	}
+	case VIDIOC_G_JPEGCOMP:
+	{
+		struct v4l2_jpegcompression *params = arg;
+
+		memset(params, 0, sizeof(*params));
+		params->quality = 50; /* ?? */
+		params->jpeg_markers = V4L2_JPEG_MARKER_DHT |
+					V4L2_JPEG_MARKER_DQT;
+
+		return 0;
+	}
+	case VIDIOC_S_JPEGCOMP:
+	{
+		struct v4l2_jpegcompression *params = arg;
+
+		if (params->quality != 50 ||
+				params->jpeg_markers != (V4L2_JPEG_MARKER_DHT |
+							V4L2_JPEG_MARKER_DQT))
+			return -EINVAL;
+		return 0;
+	}
+	/* Temporary ioctls for controlling compression characteristics */
+	case GO7007IOC_S_BITRATE:
+	{
+		int *bitrate = arg;
+
+		if (go->streaming)
+			return -EINVAL;
+		/* Upper bound is kind of arbitrary here */
+		if (*bitrate < 64000 || *bitrate > 10000000)
+			return -EINVAL;
+		go->bitrate = *bitrate;
+		return 0;
+	}
+	case GO7007IOC_G_BITRATE:
+	{
+		int *bitrate = arg;
+
+		*bitrate = go->bitrate;
+		return 0;
+	}
+	case GO7007IOC_S_COMP_PARAMS:
+	{
+		struct go7007_comp_params *comp = arg;
+
+		if (go->format == GO7007_FORMAT_MJPEG)
+			return -EINVAL;
+		if (comp->gop_size > 0)
+			go->gop_size = comp->gop_size;
+		else
+			go->gop_size = go->sensor_framerate / 1000;
+		if (go->gop_size != 15)
+			go->dvd_mode = 0;
+		/*go->ipb = comp->max_b_frames > 0;*/ /* completely untested */
+		if (go->board_info->sensor_flags & GO7007_SENSOR_TV) {
+			switch (comp->aspect_ratio) {
+			case GO7007_ASPECT_RATIO_4_3_NTSC:
+			case GO7007_ASPECT_RATIO_4_3_PAL:
+				go->aspect_ratio = GO7007_RATIO_4_3;
+				break;
+			case GO7007_ASPECT_RATIO_16_9_NTSC:
+			case GO7007_ASPECT_RATIO_16_9_PAL:
+				go->aspect_ratio = GO7007_RATIO_16_9;
+				break;
+			default:
+				go->aspect_ratio = GO7007_RATIO_1_1;
+				break;
+			}
+		}
+		if (comp->flags & GO7007_COMP_OMIT_SEQ_HEADER) {
+			go->dvd_mode = 0;
+			go->seq_header_enable = 0;
+		} else {
+			go->seq_header_enable = 1;
+		}
+		/* fall-through */
+	}
+	case GO7007IOC_G_COMP_PARAMS:
+	{
+		struct go7007_comp_params *comp = arg;
+
+		if (go->format == GO7007_FORMAT_MJPEG)
+			return -EINVAL;
+		memset(comp, 0, sizeof(*comp));
+		comp->gop_size = go->gop_size;
+		comp->max_b_frames = go->ipb ? 2 : 0;
+		switch (go->aspect_ratio) {
+		case GO7007_RATIO_4_3:
+			if (go->standard == GO7007_STD_NTSC)
+				comp->aspect_ratio =
+					GO7007_ASPECT_RATIO_4_3_NTSC;
+			else
+				comp->aspect_ratio =
+					GO7007_ASPECT_RATIO_4_3_PAL;
+			break;
+		case GO7007_RATIO_16_9:
+			if (go->standard == GO7007_STD_NTSC)
+				comp->aspect_ratio =
+					GO7007_ASPECT_RATIO_16_9_NTSC;
+			else
+				comp->aspect_ratio =
+					GO7007_ASPECT_RATIO_16_9_PAL;
+			break;
+		default:
+			comp->aspect_ratio = GO7007_ASPECT_RATIO_1_1;
+			break;
+		}
+		if (go->closed_gop)
+			comp->flags |= GO7007_COMP_CLOSED_GOP;
+		if (!go->seq_header_enable)
+			comp->flags |= GO7007_COMP_OMIT_SEQ_HEADER;
+		return 0;
+	}
+	case GO7007IOC_S_MPEG_PARAMS:
+	{
+		struct go7007_mpeg_params *mpeg = arg;
+
+		if (go->format != GO7007_FORMAT_MPEG1 &&
+				go->format != GO7007_FORMAT_MPEG2 &&
+				go->format != GO7007_FORMAT_MPEG4)
+			return -EINVAL;
+
+		if (mpeg->flags & GO7007_MPEG_FORCE_DVD_MODE) {
+			go->format = GO7007_FORMAT_MPEG2;
+			go->bitrate = 9800000;
+			go->gop_size = 15;
+			go->pali = 0x48;
+			go->closed_gop = 1;
+			go->repeat_seqhead = 0;
+			go->seq_header_enable = 1;
+			go->gop_header_enable = 1;
+			go->dvd_mode = 1;
+		} else {
+			switch (mpeg->mpeg_video_standard) {
+			case GO7007_MPEG_VIDEO_MPEG1:
+				go->format = GO7007_FORMAT_MPEG1;
+				go->pali = 0;
+				break;
+			case GO7007_MPEG_VIDEO_MPEG2:
+				go->format = GO7007_FORMAT_MPEG2;
+				if (mpeg->pali >> 24 == 2)
+					go->pali = mpeg->pali & 0xff;
+				else
+					go->pali = 0x48;
+				break;
+			case GO7007_MPEG_VIDEO_MPEG4:
+				go->format = GO7007_FORMAT_MPEG4;
+				if (mpeg->pali >> 24 == 4)
+					go->pali = mpeg->pali & 0xff;
+				else
+					go->pali = 0xf5;
+				break;
+			default:
+				return -EINVAL;
+			}
+			go->gop_header_enable =
+				mpeg->flags & GO7007_MPEG_OMIT_GOP_HEADER
+				? 0 : 1;
+			if (mpeg->flags & GO7007_MPEG_REPEAT_SEQHEADER)
+				go->repeat_seqhead = 1;
+			else
+				go->repeat_seqhead = 0;
+			go->dvd_mode = 0;
+		}
+		/* fall-through */
+	}
+	case GO7007IOC_G_MPEG_PARAMS:
+	{
+		struct go7007_mpeg_params *mpeg = arg;
+
+		memset(mpeg, 0, sizeof(*mpeg));
+		switch (go->format) {
+		case GO7007_FORMAT_MPEG1:
+			mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG1;
+			mpeg->pali = 0;
+			break;
+		case GO7007_FORMAT_MPEG2:
+			mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG2;
+			mpeg->pali = GO7007_MPEG_PROFILE(2, go->pali);
+			break;
+		case GO7007_FORMAT_MPEG4:
+			mpeg->mpeg_video_standard = GO7007_MPEG_VIDEO_MPEG4;
+			mpeg->pali = GO7007_MPEG_PROFILE(4, go->pali);
+			break;
+		default:
+			return -EINVAL;
+		}
+		if (!go->gop_header_enable)
+			mpeg->flags |= GO7007_MPEG_OMIT_GOP_HEADER;
+		if (go->repeat_seqhead)
+			mpeg->flags |= GO7007_MPEG_REPEAT_SEQHEADER;
+		if (go->dvd_mode)
+			mpeg->flags |= GO7007_MPEG_FORCE_DVD_MODE;
+		return 0;
+	}
+	case GO7007IOC_S_MD_PARAMS:
+	{
+		struct go7007_md_params *mdp = arg;
+
+		if (mdp->region > 3)
+			return -EINVAL;
+		if (mdp->trigger > 0) {
+			go->modet[mdp->region].pixel_threshold =
+					mdp->pixel_threshold >> 1;
+			go->modet[mdp->region].motion_threshold =
+					mdp->motion_threshold >> 1;
+			go->modet[mdp->region].mb_threshold =
+					mdp->trigger >> 1;
+			go->modet[mdp->region].enable = 1;
+		} else
+			go->modet[mdp->region].enable = 0;
+		/* fall-through */
+	}
+	case GO7007IOC_G_MD_PARAMS:
+	{
+		struct go7007_md_params *mdp = arg;
+		int region = mdp->region;
+
+		if (mdp->region > 3)
+			return -EINVAL;
+		memset(mdp, 0, sizeof(struct go7007_md_params));
+		mdp->region = region;
+		if (!go->modet[region].enable)
+			return 0;
+		mdp->pixel_threshold =
+			(go->modet[region].pixel_threshold << 1) + 1;
+		mdp->motion_threshold =
+			(go->modet[region].motion_threshold << 1) + 1;
+		mdp->trigger =
+			(go->modet[region].mb_threshold << 1) + 1;
+		return 0;
+	}
+	case GO7007IOC_S_MD_REGION:
+	{
+		struct go7007_md_region *region = arg;
+
+		if (region->region < 1 || region->region > 3)
+			return -EINVAL;
+		return clip_to_modet_map(go, region->region, region->clips);
+	}
+	default:
+		printk(KERN_DEBUG "go7007: unsupported ioctl %d\n", cmd);
+		return -ENOIOCTLCMD;
+	}
+	return 0;
+
+unlock_and_return:
+	up(&gofh->lock);
+	return retval;
+}
+
+static int go7007_ioctl(struct inode *inode, struct file *file,
+		unsigned int cmd, unsigned long arg)
+{
+	struct go7007_file *gofh = file->private_data;
+
+	if (gofh->go->status != STATUS_ONLINE)
+		return -EIO;
+
+	return video_usercopy(inode, file, cmd, arg, go7007_do_ioctl);
+}
+
+static ssize_t go7007_read(struct file *file, char __user *data,
+		size_t count, loff_t *ppos)
+{
+	return -EINVAL;
+}
+
+static void go7007_vm_open(struct vm_area_struct *vma)
+{
+	struct go7007_buffer *gobuf = vma->vm_private_data;
+
+	++gobuf->mapped;
+}
+
+static void go7007_vm_close(struct vm_area_struct *vma)
+{
+	struct go7007_buffer *gobuf = vma->vm_private_data;
+	unsigned long flags;
+
+	if (--gobuf->mapped == 0) {
+		spin_lock_irqsave(&gobuf->go->spinlock, flags);
+		deactivate_buffer(gobuf);
+		spin_unlock_irqrestore(&gobuf->go->spinlock, flags);
+	}
+}
+
+/* Copied from videobuf-dma-sg.c */
+static int go7007_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+	struct page *page;
+
+	page = alloc_page(GFP_USER | __GFP_DMA32);
+	if (!page)
+		return VM_FAULT_OOM;
+	clear_user_page(page_address(page), (unsigned long)vmf->virtual_address,
+			page);
+	vmf->page = page;
+	return 0;
+}
+
+static struct vm_operations_struct go7007_vm_ops = {
+	.open	= go7007_vm_open,
+	.close	= go7007_vm_close,
+	.fault	= go7007_vm_fault,
+};
+
+static int go7007_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct go7007_file *gofh = file->private_data;
+	unsigned int index;
+
+	if (gofh->go->status != STATUS_ONLINE)
+		return -EIO;
+	if (!(vma->vm_flags & VM_SHARED))
+		return -EINVAL; /* only support VM_SHARED mapping */
+	if (vma->vm_end - vma->vm_start != GO7007_BUF_SIZE)
+		return -EINVAL; /* must map exactly one full buffer */
+	down(&gofh->lock);
+	index = vma->vm_pgoff / GO7007_BUF_PAGES;
+	if (index >= gofh->buf_count) {
+		up(&gofh->lock);
+		return -EINVAL; /* trying to map beyond requested buffers */
+	}
+	if (index * GO7007_BUF_PAGES != vma->vm_pgoff) {
+		up(&gofh->lock);
+		return -EINVAL; /* offset is not aligned on buffer boundary */
+	}
+	if (gofh->bufs[index].mapped > 0) {
+		up(&gofh->lock);
+		return -EBUSY;
+	}
+	gofh->bufs[index].mapped = 1;
+	gofh->bufs[index].user_addr = vma->vm_start;
+	vma->vm_ops = &go7007_vm_ops;
+	vma->vm_flags |= VM_DONTEXPAND;
+	vma->vm_flags &= ~VM_IO;
+	vma->vm_private_data = &gofh->bufs[index];
+	up(&gofh->lock);
+	return 0;
+}
+
+static unsigned int go7007_poll(struct file *file, poll_table *wait)
+{
+	struct go7007_file *gofh = file->private_data;
+	struct go7007_buffer *gobuf;
+
+	if (list_empty(&gofh->go->stream))
+		return POLLERR;
+	gobuf = list_entry(gofh->go->stream.next, struct go7007_buffer, stream);
+	poll_wait(file, &gofh->go->frame_waitq, wait);
+	if (gobuf->state == BUF_STATE_DONE)
+		return POLLIN | POLLRDNORM;
+	return 0;
+}
+
+static void go7007_vfl_release(struct video_device *vfd)
+{
+	struct go7007 *go = video_get_drvdata(vfd);
+
+	video_device_release(vfd);
+	if (--go->ref_count == 0)
+		kfree(go);
+}
+
+static struct file_operations go7007_fops = {
+	.owner		= THIS_MODULE,
+	.open		= go7007_open,
+	.release	= go7007_release,
+	.ioctl		= go7007_ioctl,
+	.llseek		= no_llseek,
+	.read		= go7007_read,
+	.mmap		= go7007_mmap,
+	.poll		= go7007_poll,
+};
+
+static struct video_device go7007_template = {
+	.name		= "go7007",
+	.fops		= &go7007_fops,
+	.minor		= -1,
+	.release	= go7007_vfl_release,
+};
+
+int go7007_v4l2_init(struct go7007 *go)
+{
+	int rv;
+
+	go->video_dev = video_device_alloc();
+	if (go->video_dev == NULL)
+		return -ENOMEM;
+	memcpy(go->video_dev, &go7007_template, sizeof(go7007_template));
+	go->video_dev->parent = go->dev;
+	rv = video_register_device(go->video_dev, VFL_TYPE_GRABBER, -1);
+	if (rv < 0) {
+		video_device_release(go->video_dev);
+		go->video_dev = NULL;
+		return rv;
+	}
+	video_set_drvdata(go->video_dev, go);
+	++go->ref_count;
+
+	return 0;
+}
+
+void go7007_v4l2_remove(struct go7007 *go)
+{
+	unsigned long flags;
+
+	down(&go->hw_lock);
+	if (go->streaming) {
+		go->streaming = 0;
+		go7007_stream_stop(go);
+		spin_lock_irqsave(&go->spinlock, flags);
+		abort_queued(go);
+		spin_unlock_irqrestore(&go->spinlock, flags);
+	}
+	up(&go->hw_lock);
+	if (go->video_dev)
+		video_unregister_device(go->video_dev);
+}
diff --git a/drivers/staging/go7007/go7007.h b/drivers/staging/go7007/go7007.h
new file mode 100644
index 00000000000..7399c915a93
--- /dev/null
+++ b/drivers/staging/go7007/go7007.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and the associated README documentation file (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* DEPRECATED -- use V4L2_PIX_FMT_MPEG and then call GO7007IOC_S_MPEG_PARAMS
+ * to select between MPEG1, MPEG2, and MPEG4 */
+#define V4L2_PIX_FMT_MPEG4     v4l2_fourcc('M', 'P', 'G', '4') /* MPEG4 */
+
+/* These will be replaced with a better interface
+ * soon, so don't get too attached to them */
+#define	GO7007IOC_S_BITRATE	_IOW('V', BASE_VIDIOC_PRIVATE + 0, int)
+#define	GO7007IOC_G_BITRATE	_IOR('V', BASE_VIDIOC_PRIVATE + 1, int)
+
+enum go7007_aspect_ratio {
+	GO7007_ASPECT_RATIO_1_1 = 0,
+	GO7007_ASPECT_RATIO_4_3_NTSC = 1,
+	GO7007_ASPECT_RATIO_4_3_PAL = 2,
+	GO7007_ASPECT_RATIO_16_9_NTSC = 3,
+	GO7007_ASPECT_RATIO_16_9_PAL = 4,
+};
+
+/* Used to set generic compression parameters */
+struct go7007_comp_params {
+	__u32 gop_size;
+	__u32 max_b_frames;
+	enum go7007_aspect_ratio aspect_ratio;
+	__u32 flags;
+	__u32 reserved[8];
+};
+
+#define GO7007_COMP_CLOSED_GOP		0x00000001
+#define GO7007_COMP_OMIT_SEQ_HEADER	0x00000002
+
+enum go7007_mpeg_video_standard {
+	GO7007_MPEG_VIDEO_MPEG1 = 0,
+	GO7007_MPEG_VIDEO_MPEG2 = 1,
+	GO7007_MPEG_VIDEO_MPEG4 = 2,
+};
+
+/* Used to set parameters for V4L2_PIX_FMT_MPEG format */
+struct go7007_mpeg_params {
+	enum go7007_mpeg_video_standard mpeg_video_standard;
+	__u32 flags;
+	__u32 pali;
+	__u32 reserved[8];
+};
+
+#define GO7007_MPEG_FORCE_DVD_MODE	0x00000001
+#define GO7007_MPEG_OMIT_GOP_HEADER	0x00000002
+#define GO7007_MPEG_REPEAT_SEQHEADER	0x00000004
+
+#define GO7007_MPEG_PROFILE(format, pali)	(((format)<<24)|(pali))
+
+#define GO7007_MPEG2_PROFILE_MAIN_MAIN		GO7007_MPEG_PROFILE(2, 0x48)
+
+#define GO7007_MPEG4_PROFILE_S_L0		GO7007_MPEG_PROFILE(4, 0x08)
+#define GO7007_MPEG4_PROFILE_S_L1		GO7007_MPEG_PROFILE(4, 0x01)
+#define GO7007_MPEG4_PROFILE_S_L2		GO7007_MPEG_PROFILE(4, 0x02)
+#define GO7007_MPEG4_PROFILE_S_L3		GO7007_MPEG_PROFILE(4, 0x03)
+#define GO7007_MPEG4_PROFILE_ARTS_L1		GO7007_MPEG_PROFILE(4, 0x91)
+#define GO7007_MPEG4_PROFILE_ARTS_L2		GO7007_MPEG_PROFILE(4, 0x92)
+#define GO7007_MPEG4_PROFILE_ARTS_L3		GO7007_MPEG_PROFILE(4, 0x93)
+#define GO7007_MPEG4_PROFILE_ARTS_L4		GO7007_MPEG_PROFILE(4, 0x94)
+#define GO7007_MPEG4_PROFILE_AS_L0		GO7007_MPEG_PROFILE(4, 0xf0)
+#define GO7007_MPEG4_PROFILE_AS_L1		GO7007_MPEG_PROFILE(4, 0xf1)
+#define GO7007_MPEG4_PROFILE_AS_L2		GO7007_MPEG_PROFILE(4, 0xf2)
+#define GO7007_MPEG4_PROFILE_AS_L3		GO7007_MPEG_PROFILE(4, 0xf3)
+#define GO7007_MPEG4_PROFILE_AS_L4		GO7007_MPEG_PROFILE(4, 0xf4)
+#define GO7007_MPEG4_PROFILE_AS_L5		GO7007_MPEG_PROFILE(4, 0xf5)
+
+struct go7007_md_params {
+	__u16 region;
+	__u16 trigger;
+	__u16 pixel_threshold;
+	__u16 motion_threshold;
+	__u32 reserved[8];
+};
+
+struct go7007_md_region {
+	__u16 region;
+	__u16 flags;
+	struct v4l2_clip *clips;
+	__u32 reserved[8];
+};
+
+#define	GO7007IOC_S_MPEG_PARAMS	_IOWR('V', BASE_VIDIOC_PRIVATE + 2, \
+					struct go7007_mpeg_params)
+#define	GO7007IOC_G_MPEG_PARAMS	_IOR('V', BASE_VIDIOC_PRIVATE + 3, \
+					struct go7007_mpeg_params)
+#define	GO7007IOC_S_COMP_PARAMS	_IOWR('V', BASE_VIDIOC_PRIVATE + 4, \
+					struct go7007_comp_params)
+#define	GO7007IOC_G_COMP_PARAMS	_IOR('V', BASE_VIDIOC_PRIVATE + 5, \
+					struct go7007_comp_params)
+#define	GO7007IOC_S_MD_PARAMS	_IOWR('V', BASE_VIDIOC_PRIVATE + 6, \
+					struct go7007_md_params)
+#define	GO7007IOC_G_MD_PARAMS	_IOR('V', BASE_VIDIOC_PRIVATE + 7, \
+					struct go7007_md_params)
+#define	GO7007IOC_S_MD_REGION	_IOW('V', BASE_VIDIOC_PRIVATE + 8, \
+					struct go7007_md_region)
diff --git a/drivers/staging/go7007/saa7134-go7007.c b/drivers/staging/go7007/saa7134-go7007.c
new file mode 100644
index 00000000000..c4a6d8ef907
--- /dev/null
+++ b/drivers/staging/go7007/saa7134-go7007.c
@@ -0,0 +1,484 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/usb.h>
+#include <linux/i2c.h>
+#include <asm/byteorder.h>
+#include <media/audiochip.h>
+
+#include "saa7134-reg.h"
+#include "saa7134.h"
+#include "go7007-priv.h"
+
+#define GO7007_HPI_DEBUG
+
+enum hpi_address {
+	HPI_ADDR_VIDEO_BUFFER = 0xe4,
+	HPI_ADDR_INIT_BUFFER = 0xea,
+	HPI_ADDR_INTR_RET_VALUE = 0xee,
+	HPI_ADDR_INTR_RET_DATA = 0xec,
+	HPI_ADDR_INTR_STATUS = 0xf4,
+	HPI_ADDR_INTR_WR_PARAM = 0xf6,
+	HPI_ADDR_INTR_WR_INDEX = 0xf8,
+};
+
+enum gpio_command {
+	GPIO_COMMAND_RESET = 0x00, /* 000b */
+	GPIO_COMMAND_REQ1  = 0x04, /* 001b */
+	GPIO_COMMAND_WRITE = 0x20, /* 010b */
+	GPIO_COMMAND_REQ2  = 0x24, /* 011b */
+	GPIO_COMMAND_READ  = 0x80, /* 100b */
+	GPIO_COMMAND_VIDEO = 0x84, /* 101b */
+	GPIO_COMMAND_IDLE  = 0xA0, /* 110b */
+	GPIO_COMMAND_ADDR  = 0xA4, /* 111b */
+};
+
+struct saa7134_go7007 {
+	struct saa7134_dev *dev;
+	u8 *top;
+	u8 *bottom;
+	dma_addr_t top_dma;
+	dma_addr_t bottom_dma;
+};
+
+static struct go7007_board_info board_voyager = {
+	.firmware	 = "go7007tv.bin",
+	.flags		 = 0,
+	.sensor_flags	 = GO7007_SENSOR_656 |
+				GO7007_SENSOR_VALID_ENABLE |
+				GO7007_SENSOR_TV |
+				GO7007_SENSOR_VBI,
+	.audio_flags	= GO7007_AUDIO_I2S_MODE_1 |
+				GO7007_AUDIO_WORD_16,
+	.audio_rate	 = 48000,
+	.audio_bclk_div	 = 8,
+	.audio_main_div	 = 2,
+	.hpi_buffer_cap  = 7,
+	.num_inputs	 = 1,
+	.inputs 	 = {
+		{
+			.name		= "SAA7134",
+		},
+	},
+};
+
+/********************* Driver for GPIO HPI interface *********************/
+
+static int gpio_write(struct saa7134_dev *dev, u8 addr, u16 data)
+{
+	saa_writeb(SAA7134_GPIO_GPMODE0, 0xff);
+
+	/* Write HPI address */
+	saa_writeb(SAA7134_GPIO_GPSTATUS0, addr);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+
+	/* Write low byte */
+	saa_writeb(SAA7134_GPIO_GPSTATUS0, data & 0xff);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+
+	/* Write high byte */
+	saa_writeb(SAA7134_GPIO_GPSTATUS0, data >> 8);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+
+	return 0;
+}
+
+static int gpio_read(struct saa7134_dev *dev, u8 addr, u16 *data)
+{
+	saa_writeb(SAA7134_GPIO_GPMODE0, 0xff);
+
+	/* Write HPI address */
+	saa_writeb(SAA7134_GPIO_GPSTATUS0, addr);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+
+	saa_writeb(SAA7134_GPIO_GPMODE0, 0x00);
+
+	/* Read low byte */
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_READ);
+	saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+	saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+	*data = saa_readb(SAA7134_GPIO_GPSTATUS0);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+
+	/* Read high byte */
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_READ);
+	saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+	saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+	*data |= saa_readb(SAA7134_GPIO_GPSTATUS0) << 8;
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+
+	return 0;
+}
+
+static int saa7134_go7007_interface_reset(struct go7007 *go)
+{
+	struct saa7134_go7007 *saa = go->hpi_context;
+	struct saa7134_dev *dev = saa->dev;
+	u32 status;
+	u16 intr_val, intr_data;
+	int count = 20;
+
+	saa_clearb(SAA7134_TS_PARALLEL, 0x80); /* Disable TS interface */
+	saa_writeb(SAA7134_GPIO_GPMODE2, 0xa4);
+	saa_writeb(SAA7134_GPIO_GPMODE0, 0xff);
+
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_RESET);
+	msleep(1);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ2);
+	msleep(10);
+
+	saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+	saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+
+	status = saa_readb(SAA7134_GPIO_GPSTATUS2);
+	/*printk(KERN_DEBUG "status is %s\n", status & 0x40 ? "OK" : "not OK"); */
+
+	/* enter command mode...(?) */
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ2);
+
+	do {
+		saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+		saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN);
+		status = saa_readb(SAA7134_GPIO_GPSTATUS2);
+		/*printk(KERN_INFO "gpio is %08x\n", saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)); */
+	} while (--count > 0);
+
+	/* Wait for an interrupt to indicate successful hardware reset */
+	if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
+			(intr_val & ~0x1) != 0x55aa) {
+		printk(KERN_ERR
+			"saa7134-go7007: unable to reset the GO7007\n");
+		return -1;
+	}
+	return 0;
+}
+
+static int saa7134_go7007_write_interrupt(struct go7007 *go, int addr, int data)
+{
+	struct saa7134_go7007 *saa = go->hpi_context;
+	struct saa7134_dev *dev = saa->dev;
+	int i;
+	u16 status_reg;
+
+#ifdef GO7007_HPI_DEBUG
+	printk(KERN_DEBUG
+		"saa7134-go7007: WriteInterrupt: %04x %04x\n", addr, data);
+#endif
+
+	for (i = 0; i < 100; ++i) {
+		gpio_read(dev, HPI_ADDR_INTR_STATUS, &status_reg);
+		if (!(status_reg & 0x0010))
+			break;
+		msleep(10);
+	}
+	if (i == 100) {
+		printk(KERN_ERR
+			"saa7134-go7007: device is hung, status reg = 0x%04x\n",
+			status_reg);
+		return -1;
+	}
+	gpio_write(dev, HPI_ADDR_INTR_WR_PARAM, data);
+	gpio_write(dev, HPI_ADDR_INTR_WR_INDEX, addr);
+
+	return 0;
+}
+
+static int saa7134_go7007_read_interrupt(struct go7007 *go)
+{
+	struct saa7134_go7007 *saa = go->hpi_context;
+	struct saa7134_dev *dev = saa->dev;
+
+	/* XXX we need to wait if there is no interrupt available */
+	go->interrupt_available = 1;
+	gpio_read(dev, HPI_ADDR_INTR_RET_VALUE, &go->interrupt_value);
+	gpio_read(dev, HPI_ADDR_INTR_RET_DATA, &go->interrupt_data);
+#ifdef GO7007_HPI_DEBUG
+	printk(KERN_DEBUG "saa7134-go7007: ReadInterrupt: %04x %04x\n",
+			go->interrupt_value, go->interrupt_data);
+#endif
+	return 0;
+}
+
+static void saa7134_go7007_irq_ts_done(struct saa7134_dev *dev,
+						unsigned long status)
+{
+	struct go7007 *go = video_get_drvdata(dev->empress_dev);
+	struct saa7134_go7007 *saa = go->hpi_context;
+
+	if (!go->streaming)
+		return;
+	if (0 != (status & 0x000f0000))
+		printk(KERN_DEBUG "saa7134-go7007: irq: lost %ld\n",
+				(status >> 16) & 0x0f);
+	if (status & 0x100000) {
+		dma_sync_single(&dev->pci->dev,
+				saa->bottom_dma, PAGE_SIZE, DMA_FROM_DEVICE);
+		go7007_parse_video_stream(go, saa->bottom, PAGE_SIZE);
+		saa_writel(SAA7134_RS_BA2(5), cpu_to_le32(saa->bottom_dma));
+	} else {
+		dma_sync_single(&dev->pci->dev,
+				saa->top_dma, PAGE_SIZE, DMA_FROM_DEVICE);
+		go7007_parse_video_stream(go, saa->top, PAGE_SIZE);
+		saa_writel(SAA7134_RS_BA1(5), cpu_to_le32(saa->top_dma));
+	}
+}
+
+static int saa7134_go7007_stream_start(struct go7007 *go)
+{
+	struct saa7134_go7007 *saa = go->hpi_context;
+	struct saa7134_dev *dev = saa->dev;
+
+	saa->top_dma = dma_map_page(&dev->pci->dev, virt_to_page(saa->top),
+			0, PAGE_SIZE, DMA_FROM_DEVICE);
+	if (!saa->top_dma)
+		return -ENOMEM;
+	saa->bottom_dma = dma_map_page(&dev->pci->dev,
+			virt_to_page(saa->bottom),
+			0, PAGE_SIZE, DMA_FROM_DEVICE);
+	if (!saa->bottom_dma) {
+		dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE,
+				DMA_FROM_DEVICE);
+		return -ENOMEM;
+	}
+
+	saa_writel(SAA7134_VIDEO_PORT_CTRL0 >> 2, 0xA300B000);
+	saa_writel(SAA7134_VIDEO_PORT_CTRL4 >> 2, 0x40000200);
+
+	/* Set HPI interface for video */
+	saa_writeb(SAA7134_GPIO_GPMODE0, 0xff);
+	saa_writeb(SAA7134_GPIO_GPSTATUS0, HPI_ADDR_VIDEO_BUFFER);
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR);
+	saa_writeb(SAA7134_GPIO_GPMODE0, 0x00);
+
+	/* Enable TS interface */
+	saa_writeb(SAA7134_TS_PARALLEL, 0xe6);
+
+	/* Reset TS interface */
+	saa_setb(SAA7134_TS_SERIAL1, 0x01);
+	saa_clearb(SAA7134_TS_SERIAL1, 0x01);
+
+	/* Set up transfer block size */
+	saa_writeb(SAA7134_TS_PARALLEL_SERIAL, 128 - 1);
+	saa_writeb(SAA7134_TS_DMA0, (PAGE_SIZE >> 7) - 1);
+	saa_writeb(SAA7134_TS_DMA1, 0);
+	saa_writeb(SAA7134_TS_DMA2, 0);
+
+	/* Enable video streaming mode */
+	saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_VIDEO);
+
+	saa_writel(SAA7134_RS_BA1(5), cpu_to_le32(saa->top_dma));
+	saa_writel(SAA7134_RS_BA2(5), cpu_to_le32(saa->bottom_dma));
+	saa_writel(SAA7134_RS_PITCH(5), 128);
+	saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_MAX);
+
+	/* Enable TS FIFO */
+	saa_setl(SAA7134_MAIN_CTRL, SAA7134_MAIN_CTRL_TE5);
+
+	/* Enable DMA IRQ */
+	saa_setl(SAA7134_IRQ1,
+			SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0);
+
+	return 0;
+}
+
+static int saa7134_go7007_stream_stop(struct go7007 *go)
+{
+	struct saa7134_go7007 *saa = go->hpi_context;
+	struct saa7134_dev *dev = saa->dev;
+
+	/* Shut down TS FIFO */
+	saa_clearl(SAA7134_MAIN_CTRL, SAA7134_MAIN_CTRL_TE5);
+
+	/* Disable DMA IRQ */
+	saa_clearl(SAA7134_IRQ1,
+			SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0);
+
+	/* Disable TS interface */
+	saa_clearb(SAA7134_TS_PARALLEL, 0x80);
+
+	dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE,
+			DMA_FROM_DEVICE);
+	dma_unmap_page(&dev->pci->dev, saa->bottom_dma, PAGE_SIZE,
+			DMA_FROM_DEVICE);
+
+	return 0;
+}
+
+static int saa7134_go7007_send_firmware(struct go7007 *go, u8 *data, int len)
+{
+	struct saa7134_go7007 *saa = go->hpi_context;
+	struct saa7134_dev *dev = saa->dev;
+	u16 status_reg;
+	int i;
+
+#ifdef GO7007_HPI_DEBUG
+	printk(KERN_DEBUG "saa7134-go7007: DownloadBuffer "
+			"sending %d bytes\n", len);
+#endif
+
+	while (len > 0) {
+		i = len > 64 ? 64 : len;
+		saa_writeb(SAA7134_GPIO_GPMODE0, 0xff);
+		saa_writeb(SAA7134_GPIO_GPSTATUS0, HPI_ADDR_INIT_BUFFER);
+		saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR);
+		saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+		while (i-- > 0) {
+			saa_writeb(SAA7134_GPIO_GPSTATUS0, *data);
+			saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE);
+			saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE);
+			++data;
+			--len;
+		}
+		for (i = 0; i < 100; ++i) {
+			gpio_read(dev, HPI_ADDR_INTR_STATUS, &status_reg);
+			if (!(status_reg & 0x0002))
+				break;
+		}
+		if (i == 100) {
+			printk(KERN_ERR "saa7134-go7007: device is hung, "
+					"status reg = 0x%04x\n", status_reg);
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static struct go7007_hpi_ops saa7134_go7007_hpi_ops = {
+	.interface_reset	= saa7134_go7007_interface_reset,
+	.write_interrupt	= saa7134_go7007_write_interrupt,
+	.read_interrupt		= saa7134_go7007_read_interrupt,
+	.stream_start		= saa7134_go7007_stream_start,
+	.stream_stop		= saa7134_go7007_stream_stop,
+	.send_firmware		= saa7134_go7007_send_firmware,
+};
+
+/********************* Add/remove functions *********************/
+
+static int saa7134_go7007_init(struct saa7134_dev *dev)
+{
+	struct go7007 *go;
+	struct saa7134_go7007 *saa;
+
+	printk(KERN_DEBUG "saa7134-go7007: probing new SAA713X board\n");
+
+	saa = kmalloc(sizeof(struct saa7134_go7007), GFP_KERNEL);
+	if (saa == NULL)
+		return -ENOMEM;
+	memset(saa, 0, sizeof(struct saa7134_go7007));
+
+	/* Allocate a couple pages for receiving the compressed stream */
+	saa->top = (u8 *)get_zeroed_page(GFP_KERNEL);
+	if (!saa->top)
+		goto allocfail;
+	saa->bottom = (u8 *)get_zeroed_page(GFP_KERNEL);
+	if (!saa->bottom)
+		goto allocfail;
+
+	go = go7007_alloc(&board_voyager, &dev->pci->dev);
+	if (go == NULL)
+		goto allocfail;
+	go->board_id = GO7007_BOARDID_PCI_VOYAGER;
+	strncpy(go->name, saa7134_boards[dev->board].name, sizeof(go->name));
+	go->hpi_ops = &saa7134_go7007_hpi_ops;
+	go->hpi_context = saa;
+	saa->dev = dev;
+
+	/* Boot the GO7007 */
+	if (go7007_boot_encoder(go, go->board_info->flags &
+					GO7007_BOARD_USE_ONBOARD_I2C) < 0)
+		goto initfail;
+
+	/* Do any final GO7007 initialization, then register the
+	 * V4L2 and ALSA interfaces */
+	if (go7007_register_encoder(go) < 0)
+		goto initfail;
+	dev->empress_dev = go->video_dev;
+	video_set_drvdata(dev->empress_dev, go);
+
+	go->status = STATUS_ONLINE;
+	return 0;
+
+initfail:
+	go->status = STATUS_SHUTDOWN;
+	return 0;
+
+allocfail:
+	if (saa->top)
+		free_page((unsigned long)saa->top);
+	if (saa->bottom)
+		free_page((unsigned long)saa->bottom);
+	kfree(saa);
+	return -ENOMEM;
+}
+
+static int saa7134_go7007_fini(struct saa7134_dev *dev)
+{
+	struct go7007 *go;
+	struct saa7134_go7007 *saa;
+
+	if (NULL == dev->empress_dev)
+		return 0;
+
+	go = video_get_drvdata(dev->empress_dev);
+	saa = go->hpi_context;
+	go->status = STATUS_SHUTDOWN;
+	free_page((unsigned long)saa->top);
+	free_page((unsigned long)saa->bottom);
+	kfree(saa);
+	go7007_remove(go);
+	dev->empress_dev = NULL;
+
+	return 0;
+}
+
+static struct saa7134_mpeg_ops saa7134_go7007_ops = {
+	.type          = SAA7134_MPEG_GO7007,
+	.init          = saa7134_go7007_init,
+	.fini          = saa7134_go7007_fini,
+	.irq_ts_done   = saa7134_go7007_irq_ts_done,
+};
+
+static int __init saa7134_go7007_mod_init(void)
+{
+	return saa7134_ts_register(&saa7134_go7007_ops);
+}
+
+static void __exit saa7134_go7007_mod_cleanup(void)
+{
+	saa7134_ts_unregister(&saa7134_go7007_ops);
+}
+
+module_init(saa7134_go7007_mod_init);
+module_exit(saa7134_go7007_mod_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/snd-go7007.c b/drivers/staging/go7007/snd-go7007.c
new file mode 100644
index 00000000000..f5cac08b07e
--- /dev/null
+++ b/drivers/staging/go7007/snd-go7007.c
@@ -0,0 +1,305 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/vmalloc.h>
+#include <linux/time.h>
+#include <linux/mm.h>
+#include <linux/i2c.h>
+#include <linux/semaphore.h>
+#include <linux/uaccess.h>
+#include <asm/system.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+
+#include "go7007-priv.h"
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+module_param_array(id, charp, NULL, 0444);
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for the go7007 audio driver");
+MODULE_PARM_DESC(index, "ID string for the go7007 audio driver");
+MODULE_PARM_DESC(index, "Enable for the go7007 audio driver");
+
+struct go7007_snd {
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+	struct snd_pcm_substream *substream;
+	spinlock_t lock;
+	int w_idx;
+	int hw_ptr;
+	int avail;
+	int capturing;
+};
+
+static struct snd_pcm_hardware go7007_snd_capture_hw = {
+	.info			= (SNDRV_PCM_INFO_MMAP |
+					SNDRV_PCM_INFO_INTERLEAVED |
+					SNDRV_PCM_INFO_BLOCK_TRANSFER |
+					SNDRV_PCM_INFO_MMAP_VALID),
+	.formats		= SNDRV_PCM_FMTBIT_S16_LE,
+	.rates			= SNDRV_PCM_RATE_48000,
+	.rate_min		= 48000,
+	.rate_max		= 48000,
+	.channels_min		= 2,
+	.channels_max		= 2,
+	.buffer_bytes_max	= (128*1024),
+	.period_bytes_min	= 4096,
+	.period_bytes_max	= (128*1024),
+	.periods_min		= 1,
+	.periods_max		= 32,
+};
+
+static void parse_audio_stream_data(struct go7007 *go, u8 *buf, int length)
+{
+	struct go7007_snd *gosnd = go->snd_context;
+	struct snd_pcm_runtime *runtime = gosnd->substream->runtime;
+	int frames = bytes_to_frames(runtime, length);
+
+	spin_lock(&gosnd->lock);
+	gosnd->hw_ptr += frames;
+	if (gosnd->hw_ptr >= runtime->buffer_size)
+		gosnd->hw_ptr -= runtime->buffer_size;
+	gosnd->avail += frames;
+	spin_unlock(&gosnd->lock);
+	if (gosnd->w_idx + length > runtime->dma_bytes) {
+		int cpy = runtime->dma_bytes - gosnd->w_idx;
+
+		memcpy(runtime->dma_area + gosnd->w_idx, buf, cpy);
+		length -= cpy;
+		buf += cpy;
+		gosnd->w_idx = 0;
+	}
+	memcpy(runtime->dma_area + gosnd->w_idx, buf, length);
+	gosnd->w_idx += length;
+	spin_lock(&gosnd->lock);
+	if (gosnd->avail < runtime->period_size) {
+		spin_unlock(&gosnd->lock);
+		return;
+	}
+	gosnd->avail -= runtime->period_size;
+	spin_unlock(&gosnd->lock);
+	if (gosnd->capturing)
+		snd_pcm_period_elapsed(gosnd->substream);
+}
+
+static int go7007_snd_hw_params(struct snd_pcm_substream *substream,
+				struct snd_pcm_hw_params *hw_params)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	unsigned int bytes;
+
+	bytes = params_buffer_bytes(hw_params);
+	if (substream->runtime->dma_bytes > 0)
+		vfree(substream->runtime->dma_area);
+	substream->runtime->dma_bytes = 0;
+	substream->runtime->dma_area = vmalloc(bytes);
+	if (substream->runtime->dma_area == NULL)
+		return -ENOMEM;
+	substream->runtime->dma_bytes = bytes;
+	go->audio_deliver = parse_audio_stream_data;
+	return 0;
+}
+
+static int go7007_snd_hw_free(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+
+	go->audio_deliver = NULL;
+	if (substream->runtime->dma_bytes > 0)
+		vfree(substream->runtime->dma_area);
+	substream->runtime->dma_bytes = 0;
+	return 0;
+}
+
+static int go7007_snd_capture_open(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+	unsigned long flags;
+	int r;
+
+	spin_lock_irqsave(&gosnd->lock, flags);
+	if (gosnd->substream == NULL) {
+		gosnd->substream = substream;
+		substream->runtime->hw = go7007_snd_capture_hw;
+		r = 0;
+	} else
+		r = -EBUSY;
+	spin_unlock_irqrestore(&gosnd->lock, flags);
+	return r;
+}
+
+static int go7007_snd_capture_close(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+
+	gosnd->substream = NULL;
+	return 0;
+}
+
+static int go7007_snd_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	return 0;
+}
+
+static int go7007_snd_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+		/* Just set a flag to indicate we should signal ALSA when
+		 * sound comes in */
+		gosnd->capturing = 1;
+		return 0;
+	case SNDRV_PCM_TRIGGER_STOP:
+		gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0;
+		gosnd->capturing = 0;
+		return 0;
+	default:
+		return -EINVAL;
+	}
+}
+
+static snd_pcm_uframes_t go7007_snd_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct go7007 *go = snd_pcm_substream_chip(substream);
+	struct go7007_snd *gosnd = go->snd_context;
+
+	return gosnd->hw_ptr;
+}
+
+static struct page *go7007_snd_pcm_page(struct snd_pcm_substream *substream,
+					unsigned long offset)
+{
+	return vmalloc_to_page(substream->runtime->dma_area + offset);
+}
+
+static struct snd_pcm_ops go7007_snd_capture_ops = {
+	.open		= go7007_snd_capture_open,
+	.close		= go7007_snd_capture_close,
+	.ioctl		= snd_pcm_lib_ioctl,
+	.hw_params	= go7007_snd_hw_params,
+	.hw_free	= go7007_snd_hw_free,
+	.prepare	= go7007_snd_pcm_prepare,
+	.trigger	= go7007_snd_pcm_trigger,
+	.pointer	= go7007_snd_pcm_pointer,
+	.page		= go7007_snd_pcm_page,
+};
+
+static int go7007_snd_free(struct snd_device *device)
+{
+	struct go7007 *go = device->device_data;
+
+	kfree(go->snd_context);
+	go->snd_context = NULL;
+	if (--go->ref_count == 0)
+		kfree(go);
+	return 0;
+}
+
+static struct snd_device_ops go7007_snd_device_ops = {
+	.dev_free	= go7007_snd_free,
+};
+
+int go7007_snd_init(struct go7007 *go)
+{
+	static int dev;
+	struct go7007_snd *gosnd;
+	int ret = 0;
+
+	if (dev >= SNDRV_CARDS)
+		return -ENODEV;
+	if (!enable[dev]) {
+		dev++;
+		return -ENOENT;
+	}
+	gosnd = kmalloc(sizeof(struct go7007_snd), GFP_KERNEL);
+	if (gosnd == NULL)
+		return -ENOMEM;
+	spin_lock_init(&gosnd->lock);
+	gosnd->hw_ptr = gosnd->w_idx = gosnd->avail = 0;
+	gosnd->capturing = 0;
+	gosnd->card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+	if (gosnd->card == NULL) {
+		kfree(gosnd);
+		return -ENOMEM;
+	}
+	ret = snd_device_new(gosnd->card, SNDRV_DEV_LOWLEVEL, go,
+			&go7007_snd_device_ops);
+	if (ret < 0) {
+		kfree(gosnd);
+		return ret;
+	}
+	snd_card_set_dev(gosnd->card, go->dev);
+	ret = snd_pcm_new(gosnd->card, "go7007", 0, 0, 1, &gosnd->pcm);
+	if (ret < 0) {
+		snd_card_free(gosnd->card);
+		kfree(gosnd);
+		return ret;
+	}
+	strncpy(gosnd->card->driver, "go7007", sizeof(gosnd->card->driver));
+	strncpy(gosnd->card->shortname, go->name, sizeof(gosnd->card->driver));
+	strncpy(gosnd->card->longname, gosnd->card->shortname,
+			sizeof(gosnd->card->longname));
+
+	gosnd->pcm->private_data = go;
+	snd_pcm_set_ops(gosnd->pcm, SNDRV_PCM_STREAM_CAPTURE,
+			&go7007_snd_capture_ops);
+
+	ret = snd_card_register(gosnd->card);
+	if (ret < 0) {
+		snd_card_free(gosnd->card);
+		kfree(gosnd);
+		return ret;
+	}
+
+	gosnd->substream = NULL;
+	go->snd_context = gosnd;
+	++dev;
+	++go->ref_count;
+
+	return 0;
+}
+EXPORT_SYMBOL(go7007_snd_init);
+
+int go7007_snd_remove(struct go7007 *go)
+{
+	struct go7007_snd *gosnd = go->snd_context;
+
+	snd_card_disconnect(gosnd->card);
+	snd_card_free_when_closed(gosnd->card);
+	return 0;
+}
+EXPORT_SYMBOL(go7007_snd_remove);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/wis-i2c.h b/drivers/staging/go7007/wis-i2c.h
new file mode 100644
index 00000000000..993f658ad73
--- /dev/null
+++ b/drivers/staging/go7007/wis-i2c.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+/* Temporary I2C IDs -- these need to be replaced with real registered IDs */
+#define	I2C_DRIVERID_WIS_SAA7115	0xf0f0
+#define	I2C_DRIVERID_WIS_UDA1342	0xf0f1
+#define	I2C_DRIVERID_WIS_SONY_TUNER	0xf0f2
+#define	I2C_DRIVERID_WIS_TW9903		0xf0f3
+#define	I2C_DRIVERID_WIS_SAA7113	0xf0f4
+#define	I2C_DRIVERID_WIS_OV7640		0xf0f5
+#define	I2C_DRIVERID_WIS_TW2804		0xf0f6
+#define	I2C_ALGO_GO7007			0xf00000
+#define	I2C_ALGO_GO7007_USB		0xf10000
+
+/* Flag to indicate that the client needs to be accessed with SCCB semantics */
+/* We re-use the I2C_M_TEN value so the flag passes through the masks in the
+ * core I2C code.  Major kludge, but the I2C layer ain't exactly flexible. */
+#define	I2C_CLIENT_SCCB			0x10
+
+typedef int (*found_proc) (struct i2c_adapter *, int, int);
+int wis_i2c_add_driver(unsigned int id, found_proc found_proc);
+void wis_i2c_del_driver(found_proc found_proc);
+
+int wis_i2c_probe_device(struct i2c_adapter *adapter,
+				unsigned int id, int addr);
+
+/* Definitions for new video decoder commands */
+
+struct video_decoder_resolution {
+	unsigned int width;
+	unsigned int height;
+};
+
+#define	DECODER_SET_RESOLUTION	_IOW('d', 200, struct video_decoder_resolution)
+#define	DECODER_SET_CHANNEL	_IOW('d', 201, int)
+
+/* Sony tuner types */
+
+#define TUNER_SONY_BTF_PG472Z		200
+#define TUNER_SONY_BTF_PK467Z		201
+#define TUNER_SONY_BTF_PB463Z		202
diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c
new file mode 100644
index 00000000000..815615a6230
--- /dev/null
+++ b/drivers/staging/go7007/wis-ov7640.c
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+
+#include "wis-i2c.h"
+
+struct wis_ov7640 {
+	int brightness;
+	int contrast;
+	int saturation;
+	int hue;
+};
+
+static u8 initial_registers[] =
+{
+	0x12, 0x80,
+	0x12, 0x54,
+	0x14, 0x24,
+	0x15, 0x01,
+	0x28, 0x20,
+	0x75, 0x82,
+	0xFF, 0xFF, /* Terminator (reg 0xFF is unused) */
+};
+
+static int write_regs(struct i2c_client *client, u8 *regs)
+{
+	int i;
+
+	for (i = 0; regs[i] != 0xFF; i += 2)
+		if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0)
+			return -1;
+	return 0;
+}
+
+static struct i2c_driver wis_ov7640_driver;
+
+static struct i2c_client wis_ov7640_client_templ = {
+	.name		= "OV7640 (WIS)",
+	.driver		= &wis_ov7640_driver,
+};
+
+static int wis_ov7640_detect(struct i2c_adapter *adapter, int addr, int kind)
+{
+	struct i2c_client *client;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return 0;
+
+	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	if (client == NULL)
+		return -ENOMEM;
+	memcpy(client, &wis_ov7640_client_templ,
+			sizeof(wis_ov7640_client_templ));
+	client->adapter = adapter;
+	client->addr = addr;
+	client->flags = I2C_CLIENT_SCCB;
+
+	printk(KERN_DEBUG
+		"wis-ov7640: initializing OV7640 at address %d on %s\n",
+		addr, adapter->name);
+
+	if (write_regs(client, initial_registers) < 0) {
+		printk(KERN_ERR "wis-ov7640: error initializing OV7640\n");
+		kfree(client);
+		return 0;
+	}
+
+	i2c_attach_client(client);
+	return 0;
+}
+
+static int wis_ov7640_detach(struct i2c_client *client)
+{
+	int r;
+
+	r = i2c_detach_client(client);
+	if (r < 0)
+		return r;
+
+	kfree(client);
+	return 0;
+}
+
+static struct i2c_driver wis_ov7640_driver = {
+	.driver = {
+		.name	= "WIS OV7640 I2C driver",
+	},
+	.id		= I2C_DRIVERID_WIS_OV7640,
+	.detach_client	= wis_ov7640_detach,
+};
+
+static int __init wis_ov7640_init(void)
+{
+	int r;
+
+	r = i2c_add_driver(&wis_ov7640_driver);
+	if (r < 0)
+		return r;
+	return wis_i2c_add_driver(wis_ov7640_driver.id, wis_ov7640_detect);
+}
+
+static void __exit wis_ov7640_cleanup(void)
+{
+	wis_i2c_del_driver(wis_ov7640_detect);
+	i2c_del_driver(&wis_ov7640_driver);
+}
+
+module_init(wis_ov7640_init);
+module_exit(wis_ov7640_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c
new file mode 100644
index 00000000000..4b14ca88b1a
--- /dev/null
+++ b/drivers/staging/go7007/wis-saa7113.c
@@ -0,0 +1,363 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+#include <linux/ioctl.h>
+
+#include "wis-i2c.h"
+
+struct wis_saa7113 {
+	int norm;
+	int brightness;
+	int contrast;
+	int saturation;
+	int hue;
+};
+
+static u8 initial_registers[] =
+{
+	0x01, 0x08,
+	0x02, 0xc0,
+	0x03, 0x33,
+	0x04, 0x00,
+	0x05, 0x00,
+	0x06, 0xe9,
+	0x07, 0x0d,
+	0x08, 0xd8,
+	0x09, 0x40,
+	0x0a, 0x80,
+	0x0b, 0x47,
+	0x0c, 0x40,
+	0x0d, 0x00,
+	0x0e, 0x01,
+	0x0f, 0x2a,
+	0x10, 0x40,
+	0x11, 0x0c,
+	0x12, 0xfe,
+	0x13, 0x00,
+	0x14, 0x00,
+	0x15, 0x04,
+	0x16, 0x00,
+	0x17, 0x00,
+	0x18, 0x00,
+	0x19, 0x00,
+	0x1a, 0x00,
+	0x1b, 0x00,
+	0x1c, 0x00,
+	0x1d, 0x00,
+	0x1e, 0x00,
+	0x1f, 0xc8,
+	0x40, 0x00,
+	0x41, 0xff,
+	0x42, 0xff,
+	0x43, 0xff,
+	0x44, 0xff,
+	0x45, 0xff,
+	0x46, 0xff,
+	0x47, 0xff,
+	0x48, 0xff,
+	0x49, 0xff,
+	0x4a, 0xff,
+	0x4b, 0xff,
+	0x4c, 0xff,
+	0x4d, 0xff,
+	0x4e, 0xff,
+	0x4f, 0xff,
+	0x50, 0xff,
+	0x51, 0xff,
+	0x52, 0xff,
+	0x53, 0xff,
+	0x54, 0xff,
+	0x55, 0xff,
+	0x56, 0xff,
+	0x57, 0xff,
+	0x58, 0x00,
+	0x59, 0x54,
+	0x5a, 0x07,
+	0x5b, 0x83,
+	0x5c, 0x00,
+	0x5d, 0x00,
+	0x5e, 0x00,
+	0x5f, 0x00,
+	0x60, 0x00,
+	0x61, 0x00,
+	0x00, 0x00, /* Terminator (reg 0x00 is read-only) */
+};
+
+static int write_reg(struct i2c_client *client, u8 reg, u8 value)
+{
+	return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static int write_regs(struct i2c_client *client, u8 *regs)
+{
+	int i;
+
+	for (i = 0; regs[i] != 0x00; i += 2)
+		if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0)
+			return -1;
+	return 0;
+}
+
+static int wis_saa7113_command(struct i2c_client *client,
+				unsigned int cmd, void *arg)
+{
+	struct wis_saa7113 *dec = i2c_get_clientdata(client);
+
+	switch (cmd) {
+	case DECODER_SET_INPUT:
+	{
+		int *input = arg;
+
+		i2c_smbus_write_byte_data(client, 0x02, 0xC0 | *input);
+		i2c_smbus_write_byte_data(client, 0x09,
+				*input < 6 ? 0x40 : 0x80);
+		break;
+	}
+	case DECODER_SET_NORM:
+	{
+		int *input = arg;
+		dec->norm = *input;
+		switch (dec->norm) {
+		case VIDEO_MODE_PAL:
+			write_reg(client, 0x0e, 0x01);
+			write_reg(client, 0x10, 0x48);
+			break;
+		case VIDEO_MODE_NTSC:
+			write_reg(client, 0x0e, 0x01);
+			write_reg(client, 0x10, 0x40);
+			break;
+		case VIDEO_MODE_SECAM:
+			write_reg(client, 0x0e, 0x50);
+			write_reg(client, 0x10, 0x48);
+			break;
+		}
+		break;
+	}
+	case VIDIOC_QUERYCTRL:
+	{
+		struct v4l2_queryctrl *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Brightness", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 255;
+			ctrl->step = 1;
+			ctrl->default_value = 128;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Contrast", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 71;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_SATURATION:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Saturation", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 64;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_HUE:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Hue", sizeof(ctrl->name));
+			ctrl->minimum = -128;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 0;
+			ctrl->flags = 0;
+			break;
+		}
+		break;
+	}
+	case VIDIOC_S_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			if (ctrl->value > 255)
+				dec->brightness = 255;
+			else if (ctrl->value < 0)
+				dec->brightness = 0;
+			else
+				dec->brightness = ctrl->value;
+			write_reg(client, 0x0a, dec->brightness);
+			break;
+		case V4L2_CID_CONTRAST:
+			if (ctrl->value > 127)
+				dec->contrast = 127;
+			else if (ctrl->value < 0)
+				dec->contrast = 0;
+			else
+				dec->contrast = ctrl->value;
+			write_reg(client, 0x0b, dec->contrast);
+			break;
+		case V4L2_CID_SATURATION:
+			if (ctrl->value > 127)
+				dec->saturation = 127;
+			else if (ctrl->value < 0)
+				dec->saturation = 0;
+			else
+				dec->saturation = ctrl->value;
+			write_reg(client, 0x0c, dec->saturation);
+			break;
+		case V4L2_CID_HUE:
+			if (ctrl->value > 127)
+				dec->hue = 127;
+			else if (ctrl->value < -128)
+				dec->hue = -128;
+			else
+				dec->hue = ctrl->value;
+			write_reg(client, 0x0d, dec->hue);
+			break;
+		}
+		break;
+	}
+	case VIDIOC_G_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->value = dec->brightness;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->value = dec->contrast;
+			break;
+		case V4L2_CID_SATURATION:
+			ctrl->value = dec->saturation;
+			break;
+		case V4L2_CID_HUE:
+			ctrl->value = dec->hue;
+			break;
+		}
+		break;
+	}
+	default:
+		break;
+	}
+	return 0;
+}
+
+static struct i2c_driver wis_saa7113_driver;
+
+static struct i2c_client wis_saa7113_client_templ = {
+	.name		= "SAA7113 (WIS)",
+	.driver		= &wis_saa7113_driver,
+};
+
+static int wis_saa7113_detect(struct i2c_adapter *adapter, int addr, int kind)
+{
+	struct i2c_client *client;
+	struct wis_saa7113 *dec;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return 0;
+
+	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	if (client == NULL)
+		return -ENOMEM;
+	memcpy(client, &wis_saa7113_client_templ,
+			sizeof(wis_saa7113_client_templ));
+	client->adapter = adapter;
+	client->addr = addr;
+
+	dec = kmalloc(sizeof(struct wis_saa7113), GFP_KERNEL);
+	if (dec == NULL) {
+		kfree(client);
+		return -ENOMEM;
+	}
+	dec->norm = VIDEO_MODE_NTSC;
+	dec->brightness = 128;
+	dec->contrast = 71;
+	dec->saturation = 64;
+	dec->hue = 0;
+	i2c_set_clientdata(client, dec);
+
+	printk(KERN_DEBUG
+		"wis-saa7113: initializing SAA7113 at address %d on %s\n",
+		addr, adapter->name);
+
+	if (write_regs(client, initial_registers) < 0) {
+		printk(KERN_ERR
+			"wis-saa7113: error initializing SAA7113\n");
+		kfree(client);
+		kfree(dec);
+		return 0;
+	}
+
+	i2c_attach_client(client);
+	return 0;
+}
+
+static int wis_saa7113_detach(struct i2c_client *client)
+{
+	struct wis_saa7113 *dec = i2c_get_clientdata(client);
+	int r;
+
+	r = i2c_detach_client(client);
+	if (r < 0)
+		return r;
+
+	kfree(client);
+	kfree(dec);
+	return 0;
+}
+
+static struct i2c_driver wis_saa7113_driver = {
+	.driver = {
+		.name	= "WIS SAA7113 I2C driver",
+	},
+	.id		= I2C_DRIVERID_WIS_SAA7113,
+	.detach_client	= wis_saa7113_detach,
+	.command	= wis_saa7113_command,
+};
+
+static int __init wis_saa7113_init(void)
+{
+	int r;
+
+	r = i2c_add_driver(&wis_saa7113_driver);
+	if (r < 0)
+		return r;
+	return wis_i2c_add_driver(wis_saa7113_driver.id, wis_saa7113_detect);
+}
+
+static void __exit wis_saa7113_cleanup(void)
+{
+	wis_i2c_del_driver(wis_saa7113_detect);
+	i2c_del_driver(&wis_saa7113_driver);
+}
+
+module_init(wis_saa7113_init);
+module_exit(wis_saa7113_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c
new file mode 100644
index 00000000000..bd40bf4be28
--- /dev/null
+++ b/drivers/staging/go7007/wis-saa7115.c
@@ -0,0 +1,492 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+#include <linux/ioctl.h>
+
+#include "wis-i2c.h"
+
+struct wis_saa7115 {
+	int norm;
+	int brightness;
+	int contrast;
+	int saturation;
+	int hue;
+};
+
+static u8 initial_registers[] =
+{
+	0x01, 0x08,
+	0x02, 0xc0,
+	0x03, 0x20,
+	0x04, 0x80,
+	0x05, 0x80,
+	0x06, 0xeb,
+	0x07, 0xe0,
+	0x08, 0xf0,	/* always toggle FID */
+	0x09, 0x40,
+	0x0a, 0x80,
+	0x0b, 0x40,
+	0x0c, 0x40,
+	0x0d, 0x00,
+	0x0e, 0x03,
+	0x0f, 0x2a,
+	0x10, 0x0e,
+	0x11, 0x00,
+	0x12, 0x8d,
+	0x13, 0x00,
+	0x14, 0x00,
+	0x15, 0x11,
+	0x16, 0x01,
+	0x17, 0xda,
+	0x18, 0x40,
+	0x19, 0x80,
+	0x1a, 0x00,
+	0x1b, 0x42,
+	0x1c, 0xa9,
+	0x30, 0x66,
+	0x31, 0x90,
+	0x32, 0x01,
+	0x34, 0x00,
+	0x35, 0x00,
+	0x36, 0x20,
+	0x38, 0x03,
+	0x39, 0x20,
+	0x3a, 0x88,
+	0x40, 0x00,
+	0x41, 0xff,
+	0x42, 0xff,
+	0x43, 0xff,
+	0x44, 0xff,
+	0x45, 0xff,
+	0x46, 0xff,
+	0x47, 0xff,
+	0x48, 0xff,
+	0x49, 0xff,
+	0x4a, 0xff,
+	0x4b, 0xff,
+	0x4c, 0xff,
+	0x4d, 0xff,
+	0x4e, 0xff,
+	0x4f, 0xff,
+	0x50, 0xff,
+	0x51, 0xff,
+	0x52, 0xff,
+	0x53, 0xff,
+	0x54, 0xf4 /*0xff*/,
+	0x55, 0xff,
+	0x56, 0xff,
+	0x57, 0xff,
+	0x58, 0x40,
+	0x59, 0x47,
+	0x5a, 0x06 /*0x03*/,
+	0x5b, 0x83,
+	0x5d, 0x06,
+	0x5e, 0x00,
+	0x80, 0x30, /* window defined scaler operation, task A and B enabled */
+	0x81, 0x03, /* use scaler datapath generated V */
+	0x83, 0x00,
+	0x84, 0x00,
+	0x85, 0x00,
+	0x86, 0x45,
+	0x87, 0x31,
+	0x88, 0xc0,
+	0x90, 0x02, /* task A process top field */
+	0x91, 0x08,
+	0x92, 0x09,
+	0x93, 0x80,
+	0x94, 0x06,
+	0x95, 0x00,
+	0x96, 0xc0,
+	0x97, 0x02,
+	0x98, 0x12,
+	0x99, 0x00,
+	0x9a, 0xf2,
+	0x9b, 0x00,
+	0x9c, 0xd0,
+	0x9d, 0x02,
+	0x9e, 0xf2,
+	0x9f, 0x00,
+	0xa0, 0x01,
+	0xa1, 0x01,
+	0xa2, 0x01,
+	0xa4, 0x80,
+	0xa5, 0x40,
+	0xa6, 0x40,
+	0xa8, 0x00,
+	0xa9, 0x04,
+	0xaa, 0x00,
+	0xac, 0x00,
+	0xad, 0x02,
+	0xae, 0x00,
+	0xb0, 0x00,
+	0xb1, 0x04,
+	0xb2, 0x00,
+	0xb3, 0x04,
+	0xb4, 0x00,
+	0xb8, 0x00,
+	0xbc, 0x00,
+	0xc0, 0x03,	/* task B process bottom field */
+	0xc1, 0x08,
+	0xc2, 0x09,
+	0xc3, 0x80,
+	0xc4, 0x06,
+	0xc5, 0x00,
+	0xc6, 0xc0,
+	0xc7, 0x02,
+	0xc8, 0x12,
+	0xc9, 0x00,
+	0xca, 0xf2,
+	0xcb, 0x00,
+	0xcc, 0xd0,
+	0xcd, 0x02,
+	0xce, 0xf2,
+	0xcf, 0x00,
+	0xd0, 0x01,
+	0xd1, 0x01,
+	0xd2, 0x01,
+	0xd4, 0x80,
+	0xd5, 0x40,
+	0xd6, 0x40,
+	0xd8, 0x00,
+	0xd9, 0x04,
+	0xda, 0x00,
+	0xdc, 0x00,
+	0xdd, 0x02,
+	0xde, 0x00,
+	0xe0, 0x00,
+	0xe1, 0x04,
+	0xe2, 0x00,
+	0xe3, 0x04,
+	0xe4, 0x00,
+	0xe8, 0x00,
+	0x88, 0xf0, /* End of original static list */
+	0x00, 0x00, /* Terminator (reg 0x00 is read-only) */
+};
+
+static int write_reg(struct i2c_client *client, u8 reg, u8 value)
+{
+	return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static int write_regs(struct i2c_client *client, u8 *regs)
+{
+	int i;
+
+	for (i = 0; regs[i] != 0x00; i += 2)
+		if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0)
+			return -1;
+	return 0;
+}
+
+static int wis_saa7115_command(struct i2c_client *client,
+				unsigned int cmd, void *arg)
+{
+	struct wis_saa7115 *dec = i2c_get_clientdata(client);
+
+	switch (cmd) {
+	case DECODER_SET_INPUT:
+	{
+		int *input = arg;
+
+		i2c_smbus_write_byte_data(client, 0x02, 0xC0 | *input);
+		i2c_smbus_write_byte_data(client, 0x09,
+				*input < 6 ? 0x40 : 0xC0);
+		break;
+	}
+	case DECODER_SET_RESOLUTION:
+	{
+		struct video_decoder_resolution *res = arg;
+		/* Course-grained scaler */
+		int h_integer_scaler = res->width < 704 ? 704 / res->width : 1;
+		/* Fine-grained scaler to take care of remainder */
+		int h_scaling_increment = (704 / h_integer_scaler) *
+					1024 / res->width;
+		/* Fine-grained scaler only */
+		int v_scaling_increment = (dec->norm == VIDEO_MODE_NTSC ?
+				240 : 288) * 1024 / res->height;
+		u8 regs[] = {
+			0x88,	0xc0,
+			0x9c,	res->width & 0xff,
+			0x9d,	res->width >> 8,
+			0x9e,	res->height & 0xff,
+			0x9f,	res->height >> 8,
+			0xa0,	h_integer_scaler,
+			0xa1,	1,
+			0xa2,	1,
+			0xa8,	h_scaling_increment & 0xff,
+			0xa9,	h_scaling_increment >> 8,
+			0xac,	(h_scaling_increment / 2) & 0xff,
+			0xad,	(h_scaling_increment / 2) >> 8,
+			0xb0,	v_scaling_increment & 0xff,
+			0xb1,	v_scaling_increment >> 8,
+			0xb2,	v_scaling_increment & 0xff,
+			0xb3,	v_scaling_increment >> 8,
+			0xcc,	res->width & 0xff,
+			0xcd,	res->width >> 8,
+			0xce,	res->height & 0xff,
+			0xcf,	res->height >> 8,
+			0xd0,	h_integer_scaler,
+			0xd1,	1,
+			0xd2,	1,
+			0xd8,	h_scaling_increment & 0xff,
+			0xd9,	h_scaling_increment >> 8,
+			0xdc,	(h_scaling_increment / 2) & 0xff,
+			0xdd,	(h_scaling_increment / 2) >> 8,
+			0xe0,	v_scaling_increment & 0xff,
+			0xe1,	v_scaling_increment >> 8,
+			0xe2,	v_scaling_increment & 0xff,
+			0xe3,	v_scaling_increment >> 8,
+			0x88,	0xf0,
+			0,	0,
+		};
+		write_regs(client, regs);
+		break;
+	}
+	case DECODER_SET_NORM:
+	{
+		int *input = arg;
+		u8 regs[] = {
+			0x88,	0xc0,
+			0x98,	*input == VIDEO_MODE_NTSC ? 0x12 : 0x16,
+			0x9a,	*input == VIDEO_MODE_NTSC ? 0xf2 : 0x20,
+			0x9b,	*input == VIDEO_MODE_NTSC ? 0x00 : 0x01,
+			0xc8,	*input == VIDEO_MODE_NTSC ? 0x12 : 0x16,
+			0xca,	*input == VIDEO_MODE_NTSC ? 0xf2 : 0x20,
+			0xcb,	*input == VIDEO_MODE_NTSC ? 0x00 : 0x01,
+			0x88,	0xf0,
+			0x30,	*input == VIDEO_MODE_NTSC ? 0x66 : 0x00,
+			0x31,	*input == VIDEO_MODE_NTSC ? 0x90 : 0xe0,
+			0,	0,
+		};
+		write_regs(client, regs);
+		dec->norm = *input;
+		break;
+	}
+	case VIDIOC_QUERYCTRL:
+	{
+		struct v4l2_queryctrl *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Brightness", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 255;
+			ctrl->step = 1;
+			ctrl->default_value = 128;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Contrast", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 64;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_SATURATION:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Saturation", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 64;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_HUE:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Hue", sizeof(ctrl->name));
+			ctrl->minimum = -128;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 0;
+			ctrl->flags = 0;
+			break;
+		}
+		break;
+	}
+	case VIDIOC_S_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			if (ctrl->value > 255)
+				dec->brightness = 255;
+			else if (ctrl->value < 0)
+				dec->brightness = 0;
+			else
+				dec->brightness = ctrl->value;
+			write_reg(client, 0x0a, dec->brightness);
+			break;
+		case V4L2_CID_CONTRAST:
+			if (ctrl->value > 127)
+				dec->contrast = 127;
+			else if (ctrl->value < 0)
+				dec->contrast = 0;
+			else
+				dec->contrast = ctrl->value;
+			write_reg(client, 0x0b, dec->contrast);
+			break;
+		case V4L2_CID_SATURATION:
+			if (ctrl->value > 127)
+				dec->saturation = 127;
+			else if (ctrl->value < 0)
+				dec->saturation = 0;
+			else
+				dec->saturation = ctrl->value;
+			write_reg(client, 0x0c, dec->saturation);
+			break;
+		case V4L2_CID_HUE:
+			if (ctrl->value > 127)
+				dec->hue = 127;
+			else if (ctrl->value < -128)
+				dec->hue = -128;
+			else
+				dec->hue = ctrl->value;
+			write_reg(client, 0x0d, dec->hue);
+			break;
+		}
+		break;
+	}
+	case VIDIOC_G_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->value = dec->brightness;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->value = dec->contrast;
+			break;
+		case V4L2_CID_SATURATION:
+			ctrl->value = dec->saturation;
+			break;
+		case V4L2_CID_HUE:
+			ctrl->value = dec->hue;
+			break;
+		}
+		break;
+	}
+	default:
+		break;
+	}
+	return 0;
+}
+
+static struct i2c_driver wis_saa7115_driver;
+
+static struct i2c_client wis_saa7115_client_templ = {
+	.name		= "SAA7115 (WIS)",
+	.driver		= &wis_saa7115_driver,
+};
+
+static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind)
+{
+	struct i2c_client *client;
+	struct wis_saa7115 *dec;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return 0;
+
+	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	if (client == NULL)
+		return -ENOMEM;
+	memcpy(client, &wis_saa7115_client_templ,
+			sizeof(wis_saa7115_client_templ));
+	client->adapter = adapter;
+	client->addr = addr;
+
+	dec = kmalloc(sizeof(struct wis_saa7115), GFP_KERNEL);
+	if (dec == NULL) {
+		kfree(client);
+		return -ENOMEM;
+	}
+	dec->norm = VIDEO_MODE_NTSC;
+	dec->brightness = 128;
+	dec->contrast = 64;
+	dec->saturation = 64;
+	dec->hue = 0;
+	i2c_set_clientdata(client, dec);
+
+	printk(KERN_DEBUG
+		"wis-saa7115: initializing SAA7115 at address %d on %s\n",
+		addr, adapter->name);
+
+	if (write_regs(client, initial_registers) < 0) {
+		printk(KERN_ERR
+			"wis-saa7115: error initializing SAA7115\n");
+		kfree(client);
+		kfree(dec);
+		return 0;
+	}
+
+	i2c_attach_client(client);
+	return 0;
+}
+
+static int wis_saa7115_detach(struct i2c_client *client)
+{
+	struct wis_saa7115 *dec = i2c_get_clientdata(client);
+	int r;
+
+	r = i2c_detach_client(client);
+	if (r < 0)
+		return r;
+
+	kfree(client);
+	kfree(dec);
+	return 0;
+}
+
+static struct i2c_driver wis_saa7115_driver = {
+	.driver = {
+		.name	= "WIS SAA7115 I2C driver",
+	},
+	.id		= I2C_DRIVERID_WIS_SAA7115,
+	.detach_client	= wis_saa7115_detach,
+	.command	= wis_saa7115_command,
+};
+
+static int __init wis_saa7115_init(void)
+{
+	int r;
+
+	r = i2c_add_driver(&wis_saa7115_driver);
+	if (r < 0)
+		return r;
+	return wis_i2c_add_driver(wis_saa7115_driver.id, wis_saa7115_detect);
+}
+
+static void __exit wis_saa7115_cleanup(void)
+{
+	wis_i2c_del_driver(wis_saa7115_detect);
+	i2c_del_driver(&wis_saa7115_driver);
+}
+
+module_init(wis_saa7115_init);
+module_exit(wis_saa7115_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c
new file mode 100644
index 00000000000..82e66d65f36
--- /dev/null
+++ b/drivers/staging/go7007/wis-sony-tuner.c
@@ -0,0 +1,741 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <media/tuner.h>
+#include <media/v4l2-common.h>
+
+#include "wis-i2c.h"
+
+/* #define MPX_DEBUG */
+
+/* AS(IF/MPX) pin:      LOW      HIGH/OPEN
+ * IF/MPX address:   0x42/0x40   0x43/0x44
+ */
+#define IF_I2C_ADDR	0x43
+#define MPX_I2C_ADDR	0x44
+
+static v4l2_std_id force_band;
+static char force_band_str[] = "-";
+module_param_string(force_band, force_band_str, sizeof(force_band_str), 0644);
+static int force_mpx_mode = -1;
+module_param(force_mpx_mode, int, 0644);
+
+/* Store tuner info in the same format as tuner.c, so maybe we can put the
+ * Sony tuner support in there. */
+struct sony_tunertype {
+	char *name;
+	unsigned char Vendor; /* unused here */
+	unsigned char Type; /* unused here */
+
+	unsigned short thresh1; /*  band switch VHF_LO <=> VHF_HI */
+	unsigned short thresh2; /*  band switch VHF_HI <=> UHF */
+	unsigned char VHF_L;
+	unsigned char VHF_H;
+	unsigned char UHF;
+	unsigned char config;
+	unsigned short IFPCoff;
+};
+
+/* This array is indexed by (tuner_type - 200) */
+static struct sony_tunertype sony_tuners[] = {
+	{ "Sony PAL+SECAM (BTF-PG472Z)", 0, 0,
+	  16*144.25, 16*427.25, 0x01, 0x02, 0x04, 0xc6, 623},
+	{ "Sony NTSC_JP (BTF-PK467Z)", 0, 0,
+	  16*220.25, 16*467.25, 0x01, 0x02, 0x04, 0xc6, 940},
+	{ "Sony NTSC (BTF-PB463Z)", 0, 0,
+	  16*130.25, 16*364.25, 0x01, 0x02, 0x04, 0xc6, 732},
+};
+
+struct wis_sony_tuner {
+	int type;
+	v4l2_std_id std;
+	unsigned int freq;
+	int mpxmode;
+	u32 audmode;
+};
+
+/* Basically the same as default_set_tv_freq() in tuner.c */
+static int set_freq(struct i2c_client *client, int freq)
+{
+	struct wis_sony_tuner *t = i2c_get_clientdata(client);
+	char *band_name;
+	int n;
+	int band_select;
+	struct sony_tunertype *tun;
+	u8 buffer[4];
+
+	tun = &sony_tuners[t->type - 200];
+	if (freq < tun->thresh1) {
+		band_name = "VHF_L";
+		band_select = tun->VHF_L;
+	} else if (freq < tun->thresh2) {
+		band_name = "VHF_H";
+		band_select = tun->VHF_H;
+	} else {
+		band_name = "UHF";
+		band_select = tun->UHF;
+	}
+	printk(KERN_DEBUG "wis-sony-tuner: tuning to frequency %d.%04d (%s)\n",
+			freq / 16, (freq % 16) * 625, band_name);
+	n = freq + tun->IFPCoff;
+
+	buffer[0] = n >> 8;
+	buffer[1] = n & 0xff;
+	buffer[2] = tun->config;
+	buffer[3] = band_select;
+	i2c_master_send(client, buffer, 4);
+
+	return 0;
+}
+
+static int mpx_write(struct i2c_client *client, int dev, int addr, int val)
+{
+	u8 buffer[5];
+	struct i2c_msg msg;
+
+	buffer[0] = dev;
+	buffer[1] = addr >> 8;
+	buffer[2] = addr & 0xff;
+	buffer[3] = val >> 8;
+	buffer[4] = val & 0xff;
+	msg.addr = MPX_I2C_ADDR;
+	msg.flags = 0;
+	msg.len = 5;
+	msg.buf = buffer;
+	i2c_transfer(client->adapter, &msg, 1);
+	return 0;
+}
+
+/*
+ * MPX register values for the BTF-PG472Z:
+ *
+ *                                 FM_     NICAM_  SCART_
+ *          MODUS  SOURCE    ACB   PRESCAL PRESCAL PRESCAL SYSTEM  VOLUME
+ *         10/0030 12/0008 12/0013 12/000E 12/0010 12/0000 10/0020 12/0000
+ *         ---------------------------------------------------------------
+ * Auto     1003    0020    0100    2603    5000    XXXX    0001    7500
+ *
+ * B/G
+ *  Mono    1003    0020    0100    2603    5000    XXXX    0003    7500
+ *  A2      1003    0020    0100    2601    5000    XXXX    0003    7500
+ *  NICAM   1003    0120    0100    2603    5000    XXXX    0008    7500
+ *
+ * I
+ *  Mono    1003    0020    0100    2603    7900    XXXX    000A    7500
+ *  NICAM   1003    0120    0100    2603    7900    XXXX    000A    7500
+ *
+ * D/K
+ *  Mono    1003    0020    0100    2603    5000    XXXX    0004    7500
+ *  A2-1    1003    0020    0100    2601    5000    XXXX    0004    7500
+ *  A2-2    1003    0020    0100    2601    5000    XXXX    0005    7500
+ *  A2-3    1003    0020    0100    2601    5000    XXXX    0007    7500
+ *  NICAM   1003    0120    0100    2603    5000    XXXX    000B    7500
+ *
+ * L/L'
+ *  Mono    0003    0200    0100    7C03    5000    2200    0009    7500
+ *  NICAM   0003    0120    0100    7C03    5000    XXXX    0009    7500
+ *
+ * M
+ *  Mono    1003    0200    0100    2B03    5000    2B00    0002    7500
+ *
+ * For Asia, replace the 0x26XX in FM_PRESCALE with 0x14XX.
+ *
+ * Bilingual selection in A2/NICAM:
+ *
+ *         High byte of SOURCE     Left chan   Right chan
+ *                 0x01              MAIN         SUB
+ *                 0x03              MAIN         MAIN
+ *                 0x04              SUB          SUB
+ *
+ * Force mono in NICAM by setting the high byte of SOURCE to 0x02 (L/L') or
+ * 0x00 (all other bands).  Force mono in A2 with FMONO_A2:
+ *
+ *                      FMONO_A2
+ *                      10/0022
+ *                      --------
+ *     Forced mono ON     07F0
+ *     Forced mono OFF    0190
+ */
+
+static struct {
+	enum { AUD_MONO, AUD_A2, AUD_NICAM, AUD_NICAM_L } audio_mode;
+	u16 modus;
+	u16 source;
+	u16 acb;
+	u16 fm_prescale;
+	u16 nicam_prescale;
+	u16 scart_prescale;
+	u16 system;
+	u16 volume;
+} mpx_audio_modes[] = {
+	/* Auto */	{ AUD_MONO,	0x1003, 0x0020, 0x0100, 0x2603,
+					0x5000, 0x0000, 0x0001, 0x7500 },
+	/* B/G Mono */	{ AUD_MONO,	0x1003, 0x0020, 0x0100, 0x2603,
+					0x5000, 0x0000, 0x0003, 0x7500 },
+	/* B/G A2 */	{ AUD_A2,	0x1003, 0x0020, 0x0100, 0x2601,
+					0x5000, 0x0000, 0x0003, 0x7500 },
+	/* B/G NICAM */ { AUD_NICAM,	0x1003, 0x0120, 0x0100, 0x2603,
+					0x5000, 0x0000, 0x0008, 0x7500 },
+	/* I Mono */	{ AUD_MONO,	0x1003, 0x0020, 0x0100, 0x2603,
+					0x7900, 0x0000, 0x000A, 0x7500 },
+	/* I NICAM */	{ AUD_NICAM,	0x1003, 0x0120, 0x0100, 0x2603,
+					0x7900, 0x0000, 0x000A, 0x7500 },
+	/* D/K Mono */	{ AUD_MONO,	0x1003, 0x0020, 0x0100, 0x2603,
+					0x5000, 0x0000, 0x0004, 0x7500 },
+	/* D/K A2-1 */	{ AUD_A2,	0x1003, 0x0020, 0x0100, 0x2601,
+					0x5000, 0x0000, 0x0004, 0x7500 },
+	/* D/K A2-2 */	{ AUD_A2,	0x1003, 0x0020, 0x0100, 0x2601,
+					0x5000, 0x0000, 0x0005, 0x7500 },
+	/* D/K A2-3 */	{ AUD_A2,	0x1003, 0x0020, 0x0100, 0x2601,
+					0x5000, 0x0000, 0x0007, 0x7500 },
+	/* D/K NICAM */	{ AUD_NICAM,	0x1003, 0x0120, 0x0100, 0x2603,
+					0x5000, 0x0000, 0x000B, 0x7500 },
+	/* L/L' Mono */	{ AUD_MONO,	0x0003, 0x0200, 0x0100, 0x7C03,
+					0x5000, 0x2200, 0x0009, 0x7500 },
+	/* L/L' NICAM */{ AUD_NICAM_L,	0x0003, 0x0120, 0x0100, 0x7C03,
+					0x5000, 0x0000, 0x0009, 0x7500 },
+};
+
+#define MPX_NUM_MODES	ARRAY_SIZE(mpx_audio_modes)
+
+static int mpx_setup(struct i2c_client *client)
+{
+	struct wis_sony_tuner *t = i2c_get_clientdata(client);
+	u16 source = 0;
+	u8 buffer[3];
+	struct i2c_msg msg;
+
+	/* reset MPX */
+	buffer[0] = 0x00;
+	buffer[1] = 0x80;
+	buffer[2] = 0x00;
+	msg.addr = MPX_I2C_ADDR;
+	msg.flags = 0;
+	msg.len = 3;
+	msg.buf = buffer;
+	i2c_transfer(client->adapter, &msg, 1);
+	buffer[1] = 0x00;
+	i2c_transfer(client->adapter, &msg, 1);
+
+	if (mpx_audio_modes[t->mpxmode].audio_mode != AUD_MONO) {
+		switch (t->audmode) {
+		case V4L2_TUNER_MODE_MONO:
+			switch (mpx_audio_modes[t->mpxmode].audio_mode) {
+			case AUD_A2:
+				source = mpx_audio_modes[t->mpxmode].source;
+				break;
+			case AUD_NICAM:
+				source = 0x0000;
+				break;
+			case AUD_NICAM_L:
+				source = 0x0200;
+				break;
+			default:
+				break;
+			}
+			break;
+		case V4L2_TUNER_MODE_STEREO:
+			source = mpx_audio_modes[t->mpxmode].source;
+			break;
+		case V4L2_TUNER_MODE_LANG1:
+			source = 0x0300;
+			break;
+		case V4L2_TUNER_MODE_LANG2:
+			source = 0x0400;
+			break;
+		}
+		source |= mpx_audio_modes[t->mpxmode].source & 0x00ff;
+	} else
+		source = mpx_audio_modes[t->mpxmode].source;
+
+	mpx_write(client, 0x10, 0x0030, mpx_audio_modes[t->mpxmode].modus);
+	mpx_write(client, 0x12, 0x0008, source);
+	mpx_write(client, 0x12, 0x0013, mpx_audio_modes[t->mpxmode].acb);
+	mpx_write(client, 0x12, 0x000e,
+			mpx_audio_modes[t->mpxmode].fm_prescale);
+	mpx_write(client, 0x12, 0x0010,
+			mpx_audio_modes[t->mpxmode].nicam_prescale);
+	mpx_write(client, 0x12, 0x000d,
+			mpx_audio_modes[t->mpxmode].scart_prescale);
+	mpx_write(client, 0x10, 0x0020, mpx_audio_modes[t->mpxmode].system);
+	mpx_write(client, 0x12, 0x0000, mpx_audio_modes[t->mpxmode].volume);
+	if (mpx_audio_modes[t->mpxmode].audio_mode == AUD_A2)
+		mpx_write(client, 0x10, 0x0022,
+			t->audmode == V4L2_TUNER_MODE_MONO ?  0x07f0 : 0x0190);
+
+#ifdef MPX_DEBUG
+	{
+		u8 buf1[3], buf2[2];
+		struct i2c_msg msgs[2];
+
+		printk(KERN_DEBUG "wis-sony-tuner: MPX registers: %04x %04x "
+				"%04x %04x %04x %04x %04x %04x\n",
+				mpx_audio_modes[t->mpxmode].modus,
+				source,
+				mpx_audio_modes[t->mpxmode].acb,
+				mpx_audio_modes[t->mpxmode].fm_prescale,
+				mpx_audio_modes[t->mpxmode].nicam_prescale,
+				mpx_audio_modes[t->mpxmode].scart_prescale,
+				mpx_audio_modes[t->mpxmode].system,
+				mpx_audio_modes[t->mpxmode].volume);
+		buf1[0] = 0x11;
+		buf1[1] = 0x00;
+		buf1[2] = 0x7e;
+		msgs[0].addr = MPX_I2C_ADDR;
+		msgs[0].flags = 0;
+		msgs[0].len = 3;
+		msgs[0].buf = buf1;
+		msgs[1].addr = MPX_I2C_ADDR;
+		msgs[1].flags = I2C_M_RD;
+		msgs[1].len = 2;
+		msgs[1].buf = buf2;
+		i2c_transfer(client->adapter, msgs, 2);
+		printk(KERN_DEBUG "wis-sony-tuner: MPX system: %02x%02x\n",
+				buf2[0], buf2[1]);
+		buf1[0] = 0x11;
+		buf1[1] = 0x02;
+		buf1[2] = 0x00;
+		i2c_transfer(client->adapter, msgs, 2);
+		printk(KERN_DEBUG "wis-sony-tuner: MPX status: %02x%02x\n",
+				buf2[0], buf2[1]);
+	}
+#endif
+	return 0;
+}
+
+/*
+ * IF configuration values for the BTF-PG472Z:
+ *
+ *	B/G: 0x94 0x70 0x49
+ *	I:   0x14 0x70 0x4a
+ *	D/K: 0x14 0x70 0x4b
+ *	L:   0x04 0x70 0x4b
+ *	L':  0x44 0x70 0x53
+ *	M:   0x50 0x30 0x4c
+ */
+
+static int set_if(struct i2c_client *client)
+{
+	struct wis_sony_tuner *t = i2c_get_clientdata(client);
+	u8 buffer[4];
+	struct i2c_msg msg;
+	int default_mpx_mode = 0;
+
+	/* configure IF */
+	buffer[0] = 0;
+	if (t->std & V4L2_STD_PAL_BG) {
+		buffer[1] = 0x94;
+		buffer[2] = 0x70;
+		buffer[3] = 0x49;
+		default_mpx_mode = 1;
+	} else if (t->std & V4L2_STD_PAL_I) {
+		buffer[1] = 0x14;
+		buffer[2] = 0x70;
+		buffer[3] = 0x4a;
+		default_mpx_mode = 4;
+	} else if (t->std & V4L2_STD_PAL_DK) {
+		buffer[1] = 0x14;
+		buffer[2] = 0x70;
+		buffer[3] = 0x4b;
+		default_mpx_mode = 6;
+	} else if (t->std & V4L2_STD_SECAM_L) {
+		buffer[1] = 0x04;
+		buffer[2] = 0x70;
+		buffer[3] = 0x4b;
+		default_mpx_mode = 11;
+	}
+	msg.addr = IF_I2C_ADDR;
+	msg.flags = 0;
+	msg.len = 4;
+	msg.buf = buffer;
+	i2c_transfer(client->adapter, &msg, 1);
+
+	/* Select MPX mode if not forced by the user */
+	if (force_mpx_mode >= 0 || force_mpx_mode < MPX_NUM_MODES)
+		t->mpxmode = force_mpx_mode;
+	else
+		t->mpxmode = default_mpx_mode;
+	printk(KERN_DEBUG "wis-sony-tuner: setting MPX to mode %d\n",
+			t->mpxmode);
+	mpx_setup(client);
+
+	return 0;
+}
+
+static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
+{
+	struct wis_sony_tuner *t = i2c_get_clientdata(client);
+
+	switch (cmd) {
+#ifdef TUNER_SET_TYPE_ADDR
+	case TUNER_SET_TYPE_ADDR:
+	{
+		struct tuner_setup *tun_setup = arg;
+		int *type = &tun_setup->type;
+#else
+	case TUNER_SET_TYPE:
+	{
+		int *type = arg;
+#endif
+
+		if (t->type >= 0) {
+			if (t->type != *type)
+				printk(KERN_ERR "wis-sony-tuner: type already "
+					"set to %d, ignoring request for %d\n",
+					t->type, *type);
+			break;
+		}
+		t->type = *type;
+		switch (t->type) {
+		case TUNER_SONY_BTF_PG472Z:
+			switch (force_band_str[0]) {
+			case 'b':
+			case 'B':
+			case 'g':
+			case 'G':
+				printk(KERN_INFO "wis-sony-tuner: forcing "
+						"tuner to PAL-B/G bands\n");
+				force_band = V4L2_STD_PAL_BG;
+				break;
+			case 'i':
+			case 'I':
+				printk(KERN_INFO "wis-sony-tuner: forcing "
+						"tuner to PAL-I band\n");
+				force_band = V4L2_STD_PAL_I;
+				break;
+			case 'd':
+			case 'D':
+			case 'k':
+			case 'K':
+				printk(KERN_INFO "wis-sony-tuner: forcing "
+						"tuner to PAL-D/K bands\n");
+				force_band = V4L2_STD_PAL_I;
+				break;
+			case 'l':
+			case 'L':
+				printk(KERN_INFO "wis-sony-tuner: forcing "
+						"tuner to SECAM-L band\n");
+				force_band = V4L2_STD_SECAM_L;
+				break;
+			default:
+				force_band = 0;
+				break;
+			}
+			if (force_band)
+				t->std = force_band;
+			else
+				t->std = V4L2_STD_PAL_BG;
+			set_if(client);
+			break;
+		case TUNER_SONY_BTF_PK467Z:
+			t->std = V4L2_STD_NTSC_M_JP;
+			break;
+		case TUNER_SONY_BTF_PB463Z:
+			t->std = V4L2_STD_NTSC_M;
+			break;
+		default:
+			printk(KERN_ERR "wis-sony-tuner: tuner type %d is not "
+					"supported by this module\n", *type);
+			break;
+		}
+		if (type >= 0)
+			printk(KERN_INFO
+				"wis-sony-tuner: type set to %d (%s)\n",
+				t->type, sony_tuners[t->type - 200].name);
+		break;
+	}
+	case VIDIOC_G_FREQUENCY:
+	{
+		struct v4l2_frequency *f = arg;
+
+		f->frequency = t->freq;
+		break;
+	}
+	case VIDIOC_S_FREQUENCY:
+	{
+		struct v4l2_frequency *f = arg;
+
+		t->freq = f->frequency;
+		set_freq(client, t->freq);
+		break;
+	}
+	case VIDIOC_ENUMSTD:
+	{
+		struct v4l2_standard *std = arg;
+
+		switch (t->type) {
+		case TUNER_SONY_BTF_PG472Z:
+			switch (std->index) {
+			case 0:
+				v4l2_video_std_construct(std,
+						V4L2_STD_PAL_BG, "PAL-B/G");
+				break;
+			case 1:
+				v4l2_video_std_construct(std,
+						V4L2_STD_PAL_I, "PAL-I");
+				break;
+			case 2:
+				v4l2_video_std_construct(std,
+						V4L2_STD_PAL_DK, "PAL-D/K");
+				break;
+			case 3:
+				v4l2_video_std_construct(std,
+						V4L2_STD_SECAM_L, "SECAM-L");
+				break;
+			default:
+				std->id = 0; /* hack to indicate EINVAL */
+				break;
+			}
+			break;
+		case TUNER_SONY_BTF_PK467Z:
+			if (std->index != 0) {
+				std->id = 0; /* hack to indicate EINVAL */
+				break;
+			}
+			v4l2_video_std_construct(std,
+					V4L2_STD_NTSC_M_JP, "NTSC-J");
+			break;
+		case TUNER_SONY_BTF_PB463Z:
+			if (std->index != 0) {
+				std->id = 0; /* hack to indicate EINVAL */
+				break;
+			}
+			v4l2_video_std_construct(std, V4L2_STD_NTSC_M, "NTSC");
+			break;
+		}
+		break;
+	}
+	case VIDIOC_G_STD:
+	{
+		v4l2_std_id *std = arg;
+
+		*std = t->std;
+		break;
+	}
+	case VIDIOC_S_STD:
+	{
+		v4l2_std_id *std = arg;
+		v4l2_std_id old = t->std;
+
+		switch (t->type) {
+		case TUNER_SONY_BTF_PG472Z:
+			if (force_band && (*std & force_band) != *std &&
+					*std != V4L2_STD_PAL &&
+					*std != V4L2_STD_SECAM) {
+				printk(KERN_DEBUG "wis-sony-tuner: ignoring "
+						"requested TV standard in "
+						"favor of force_band value\n");
+				t->std = force_band;
+			} else if (*std & V4L2_STD_PAL_BG) { /* default */
+				t->std = V4L2_STD_PAL_BG;
+			} else if (*std & V4L2_STD_PAL_I) {
+				t->std = V4L2_STD_PAL_I;
+			} else if (*std & V4L2_STD_PAL_DK) {
+				t->std = V4L2_STD_PAL_DK;
+			} else if (*std & V4L2_STD_SECAM_L) {
+				t->std = V4L2_STD_SECAM_L;
+			} else {
+				printk(KERN_ERR "wis-sony-tuner: TV standard "
+						"not supported\n");
+				*std = 0; /* hack to indicate EINVAL */
+				break;
+			}
+			if (old != t->std)
+				set_if(client);
+			break;
+		case TUNER_SONY_BTF_PK467Z:
+			if (!(*std & V4L2_STD_NTSC_M_JP)) {
+				printk(KERN_ERR "wis-sony-tuner: TV standard "
+						"not supported\n");
+				*std = 0; /* hack to indicate EINVAL */
+			}
+			break;
+		case TUNER_SONY_BTF_PB463Z:
+			if (!(*std & V4L2_STD_NTSC_M)) {
+				printk(KERN_ERR "wis-sony-tuner: TV standard "
+						"not supported\n");
+				*std = 0; /* hack to indicate EINVAL */
+			}
+			break;
+		}
+		break;
+	}
+	case VIDIOC_QUERYSTD:
+	{
+		v4l2_std_id *std = arg;
+
+		switch (t->type) {
+		case TUNER_SONY_BTF_PG472Z:
+			if (force_band)
+				*std = force_band;
+			else
+				*std = V4L2_STD_PAL_BG | V4L2_STD_PAL_I |
+					V4L2_STD_PAL_DK | V4L2_STD_SECAM_L;
+			break;
+		case TUNER_SONY_BTF_PK467Z:
+			*std = V4L2_STD_NTSC_M_JP;
+			break;
+		case TUNER_SONY_BTF_PB463Z:
+			*std = V4L2_STD_NTSC_M;
+			break;
+		}
+		break;
+	}
+	case VIDIOC_G_TUNER:
+	{
+		struct v4l2_tuner *tun = arg;
+
+		memset(t, 0, sizeof(*tun));
+		strcpy(tun->name, "Television");
+		tun->type = V4L2_TUNER_ANALOG_TV;
+		tun->rangelow = 0UL; /* does anything use these? */
+		tun->rangehigh = 0xffffffffUL;
+		switch (t->type) {
+		case TUNER_SONY_BTF_PG472Z:
+			tun->capability = V4L2_TUNER_CAP_NORM |
+				V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
+				V4L2_TUNER_CAP_LANG2;
+			tun->rxsubchans = V4L2_TUNER_SUB_MONO |
+				V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_LANG1 |
+				V4L2_TUNER_SUB_LANG2;
+			break;
+		case TUNER_SONY_BTF_PK467Z:
+		case TUNER_SONY_BTF_PB463Z:
+			tun->capability = V4L2_TUNER_CAP_STEREO;
+			tun->rxsubchans = V4L2_TUNER_SUB_MONO |
+						V4L2_TUNER_SUB_STEREO;
+			break;
+		}
+		tun->audmode = t->audmode;
+		return 0;
+	}
+	case VIDIOC_S_TUNER:
+	{
+		struct v4l2_tuner *tun = arg;
+
+		switch (t->type) {
+		case TUNER_SONY_BTF_PG472Z:
+			if (tun->audmode != t->audmode) {
+				t->audmode = tun->audmode;
+				mpx_setup(client);
+			}
+			break;
+		case TUNER_SONY_BTF_PK467Z:
+		case TUNER_SONY_BTF_PB463Z:
+			break;
+		}
+		return 0;
+	}
+	default:
+		break;
+	}
+	return 0;
+}
+
+static struct i2c_driver wis_sony_tuner_driver;
+
+static struct i2c_client wis_sony_tuner_client_templ = {
+	.name		= "Sony TV Tuner (WIS)",
+	.driver		= &wis_sony_tuner_driver,
+};
+
+static int wis_sony_tuner_detect(struct i2c_adapter *adapter,
+					int addr, int kind)
+{
+	struct i2c_client *client;
+	struct wis_sony_tuner *t;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
+		return 0;
+
+	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	if (client == NULL)
+		return -ENOMEM;
+	memcpy(client, &wis_sony_tuner_client_templ,
+			sizeof(wis_sony_tuner_client_templ));
+	client->adapter = adapter;
+	client->addr = addr;
+
+	t = kmalloc(sizeof(struct wis_sony_tuner), GFP_KERNEL);
+	if (t == NULL) {
+		kfree(client);
+		return -ENOMEM;
+	}
+	t->type = -1;
+	t->freq = 0;
+	t->mpxmode = 0;
+	t->audmode = V4L2_TUNER_MODE_STEREO;
+	i2c_set_clientdata(client, t);
+
+	printk(KERN_DEBUG
+		"wis-sony-tuner: initializing tuner at address %d on %s\n",
+		addr, adapter->name);
+
+	i2c_attach_client(client);
+
+	return 0;
+}
+
+static int wis_sony_tuner_detach(struct i2c_client *client)
+{
+	struct wis_sony_tuner *t = i2c_get_clientdata(client);
+	int r;
+
+	r = i2c_detach_client(client);
+	if (r < 0)
+		return r;
+
+	kfree(t);
+	kfree(client);
+	return 0;
+}
+
+static struct i2c_driver wis_sony_tuner_driver = {
+	.driver = {
+		.name	= "WIS Sony TV Tuner I2C driver",
+	},
+	.id		= I2C_DRIVERID_WIS_SONY_TUNER,
+	.detach_client	= wis_sony_tuner_detach,
+	.command	= tuner_command,
+};
+
+static int __init wis_sony_tuner_init(void)
+{
+	int r;
+
+	r = i2c_add_driver(&wis_sony_tuner_driver);
+	if (r < 0)
+		return r;
+	return wis_i2c_add_driver(wis_sony_tuner_driver.id,
+					wis_sony_tuner_detect);
+}
+
+static void __exit wis_sony_tuner_cleanup(void)
+{
+	wis_i2c_del_driver(wis_sony_tuner_detect);
+	i2c_del_driver(&wis_sony_tuner_driver);
+}
+
+module_init(wis_sony_tuner_init);
+module_exit(wis_sony_tuner_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c
new file mode 100644
index 00000000000..69ed7bf0322
--- /dev/null
+++ b/drivers/staging/go7007/wis-tw2804.c
@@ -0,0 +1,381 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+#include <linux/ioctl.h>
+
+#include "wis-i2c.h"
+
+struct wis_tw2804 {
+	int channel;
+	int norm;
+	int brightness;
+	int contrast;
+	int saturation;
+	int hue;
+};
+
+static u8 global_registers[] =
+{
+	0x39, 0x00,
+	0x3a, 0xff,
+	0x3b, 0x84,
+	0x3c, 0x80,
+	0x3d, 0x80,
+	0x3e, 0x82,
+	0x3f, 0x82,
+	0xff, 0xff, /* Terminator (reg 0xff does not exist) */
+};
+
+static u8 channel_registers[] =
+{
+	0x01, 0xc4,
+	0x02, 0xa5,
+	0x03, 0x20,
+	0x04, 0xd0,
+	0x05, 0x20,
+	0x06, 0xd0,
+	0x07, 0x88,
+	0x08, 0x20,
+	0x09, 0x07,
+	0x0a, 0xf0,
+	0x0b, 0x07,
+	0x0c, 0xf0,
+	0x0d, 0x40,
+	0x0e, 0xd2,
+	0x0f, 0x80,
+	0x10, 0x80,
+	0x11, 0x80,
+	0x12, 0x80,
+	0x13, 0x1f,
+	0x14, 0x00,
+	0x15, 0x00,
+	0x16, 0x00,
+	0x17, 0x00,
+	0x18, 0xff,
+	0x19, 0xff,
+	0x1a, 0xff,
+	0x1b, 0xff,
+	0x1c, 0xff,
+	0x1d, 0xff,
+	0x1e, 0xff,
+	0x1f, 0xff,
+	0x20, 0x07,
+	0x21, 0x07,
+	0x22, 0x00,
+	0x23, 0x91,
+	0x24, 0x51,
+	0x25, 0x03,
+	0x26, 0x00,
+	0x27, 0x00,
+	0x28, 0x00,
+	0x29, 0x00,
+	0x2a, 0x00,
+	0x2b, 0x00,
+	0x2c, 0x00,
+	0x2d, 0x00,
+	0x2e, 0x00,
+	0x2f, 0x00,
+	0x30, 0x00,
+	0x31, 0x00,
+	0x32, 0x00,
+	0x33, 0x00,
+	0x34, 0x00,
+	0x35, 0x00,
+	0x36, 0x00,
+	0x37, 0x00,
+	0xff, 0xff, /* Terminator (reg 0xff does not exist) */
+};
+
+static int write_reg(struct i2c_client *client, u8 reg, u8 value, int channel)
+{
+	return i2c_smbus_write_byte_data(client, reg | (channel << 6), value);
+}
+
+static int write_regs(struct i2c_client *client, u8 *regs, int channel)
+{
+	int i;
+
+	for (i = 0; regs[i] != 0xff; i += 2)
+		if (i2c_smbus_write_byte_data(client,
+				regs[i] | (channel << 6), regs[i + 1]) < 0)
+			return -1;
+	return 0;
+}
+
+static int wis_tw2804_command(struct i2c_client *client,
+				unsigned int cmd, void *arg)
+{
+	struct wis_tw2804 *dec = i2c_get_clientdata(client);
+
+	if (cmd == DECODER_SET_CHANNEL) {
+		int *input = arg;
+
+		if (*input < 0 || *input > 3) {
+			printk(KERN_ERR "wis-tw2804: channel %d is not "
+					"between 0 and 3!\n", *input);
+			return 0;
+		}
+		dec->channel = *input;
+		printk(KERN_DEBUG "wis-tw2804: initializing TW2804 "
+				"channel %d\n", dec->channel);
+		if (dec->channel == 0 &&
+				write_regs(client, global_registers, 0) < 0) {
+			printk(KERN_ERR "wis-tw2804: error initializing "
+					"TW2804 global registers\n");
+			return 0;
+		}
+		if (write_regs(client, channel_registers, dec->channel) < 0) {
+			printk(KERN_ERR "wis-tw2804: error initializing "
+					"TW2804 channel %d\n", dec->channel);
+			return 0;
+		}
+		return 0;
+	}
+
+	if (dec->channel < 0) {
+		printk(KERN_DEBUG "wis-tw2804: ignoring command %08x until "
+				"channel number is set\n", cmd);
+		return 0;
+	}
+
+	switch (cmd) {
+	case DECODER_SET_NORM:
+	{
+		int *input = arg;
+		u8 regs[] = {
+			0x01, *input == VIDEO_MODE_NTSC ? 0xc4 : 0x84,
+			0x09, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04,
+			0x0a, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20,
+			0x0b, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04,
+			0x0c, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20,
+			0x0d, *input == VIDEO_MODE_NTSC ? 0x40 : 0x4a,
+			0x16, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40,
+			0x17, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40,
+			0x20, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f,
+			0x21, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f,
+			0xff,	0xff,
+		};
+		write_regs(client, regs, dec->channel);
+		dec->norm = *input;
+		break;
+	}
+	case VIDIOC_QUERYCTRL:
+	{
+		struct v4l2_queryctrl *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Brightness", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 255;
+			ctrl->step = 1;
+			ctrl->default_value = 128;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Contrast", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 255;
+			ctrl->step = 1;
+			ctrl->default_value = 128;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_SATURATION:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Saturation", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 255;
+			ctrl->step = 1;
+			ctrl->default_value = 128;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_HUE:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Hue", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 255;
+			ctrl->step = 1;
+			ctrl->default_value = 128;
+			ctrl->flags = 0;
+			break;
+		}
+		break;
+	}
+	case VIDIOC_S_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			if (ctrl->value > 255)
+				dec->brightness = 255;
+			else if (ctrl->value < 0)
+				dec->brightness = 0;
+			else
+				dec->brightness = ctrl->value;
+			write_reg(client, 0x12, dec->brightness, dec->channel);
+			break;
+		case V4L2_CID_CONTRAST:
+			if (ctrl->value > 255)
+				dec->contrast = 255;
+			else if (ctrl->value < 0)
+				dec->contrast = 0;
+			else
+				dec->contrast = ctrl->value;
+			write_reg(client, 0x11, dec->contrast, dec->channel);
+			break;
+		case V4L2_CID_SATURATION:
+			if (ctrl->value > 255)
+				dec->saturation = 255;
+			else if (ctrl->value < 0)
+				dec->saturation = 0;
+			else
+				dec->saturation = ctrl->value;
+			write_reg(client, 0x10, dec->saturation, dec->channel);
+			break;
+		case V4L2_CID_HUE:
+			if (ctrl->value > 255)
+				dec->hue = 255;
+			else if (ctrl->value < 0)
+				dec->hue = 0;
+			else
+				dec->hue = ctrl->value;
+			write_reg(client, 0x0f, dec->hue, dec->channel);
+			break;
+		}
+		break;
+	}
+	case VIDIOC_G_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->value = dec->brightness;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->value = dec->contrast;
+			break;
+		case V4L2_CID_SATURATION:
+			ctrl->value = dec->saturation;
+			break;
+		case V4L2_CID_HUE:
+			ctrl->value = dec->hue;
+			break;
+		}
+		break;
+	}
+	default:
+		break;
+	}
+	return 0;
+}
+
+static struct i2c_driver wis_tw2804_driver;
+
+static struct i2c_client wis_tw2804_client_templ = {
+	.name		= "TW2804 (WIS)",
+	.driver		= &wis_tw2804_driver,
+};
+
+static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind)
+{
+	struct i2c_client *client;
+	struct wis_tw2804 *dec;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return 0;
+
+	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	if (client == NULL)
+		return -ENOMEM;
+	memcpy(client, &wis_tw2804_client_templ,
+			sizeof(wis_tw2804_client_templ));
+	client->adapter = adapter;
+	client->addr = addr;
+
+	dec = kmalloc(sizeof(struct wis_tw2804), GFP_KERNEL);
+	if (dec == NULL) {
+		kfree(client);
+		return -ENOMEM;
+	}
+	dec->channel = -1;
+	dec->norm = VIDEO_MODE_NTSC;
+	dec->brightness = 128;
+	dec->contrast = 128;
+	dec->saturation = 128;
+	dec->hue = 128;
+	i2c_set_clientdata(client, dec);
+
+	printk(KERN_DEBUG "wis-tw2804: creating TW2804 at address %d on %s\n",
+		addr, adapter->name);
+
+	i2c_attach_client(client);
+	return 0;
+}
+
+static int wis_tw2804_detach(struct i2c_client *client)
+{
+	struct wis_tw2804 *dec = i2c_get_clientdata(client);
+	int r;
+
+	r = i2c_detach_client(client);
+	if (r < 0)
+		return r;
+
+	kfree(client);
+	kfree(dec);
+	return 0;
+}
+
+static struct i2c_driver wis_tw2804_driver = {
+	.driver = {
+		.name	= "WIS TW2804 I2C driver",
+	},
+	.id		= I2C_DRIVERID_WIS_TW2804,
+	.detach_client	= wis_tw2804_detach,
+	.command	= wis_tw2804_command,
+};
+
+static int __init wis_tw2804_init(void)
+{
+	int r;
+
+	r = i2c_add_driver(&wis_tw2804_driver);
+	if (r < 0)
+		return r;
+	return wis_i2c_add_driver(wis_tw2804_driver.id, wis_tw2804_detect);
+}
+
+static void __exit wis_tw2804_cleanup(void)
+{
+	wis_i2c_del_driver(wis_tw2804_detect);
+	i2c_del_driver(&wis_tw2804_driver);
+}
+
+module_init(wis_tw2804_init);
+module_exit(wis_tw2804_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c
new file mode 100644
index 00000000000..1cdf01a8b33
--- /dev/null
+++ b/drivers/staging/go7007/wis-tw9903.c
@@ -0,0 +1,363 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+#include <linux/ioctl.h>
+
+#include "wis-i2c.h"
+
+struct wis_tw9903 {
+	int norm;
+	int brightness;
+	int contrast;
+	int hue;
+};
+
+static u8 initial_registers[] =
+{
+	0x02, 0x44, /* input 1, composite */
+	0x03, 0x92, /* correct digital format */
+	0x04, 0x00,
+	0x05, 0x80, /* or 0x00 for PAL */
+	0x06, 0x40, /* second internal current reference */
+	0x07, 0x02, /* window */
+	0x08, 0x14, /* window */
+	0x09, 0xf0, /* window */
+	0x0a, 0x81, /* window */
+	0x0b, 0xd0, /* window */
+	0x0c, 0x8c,
+	0x0d, 0x00, /* scaling */
+	0x0e, 0x11, /* scaling */
+	0x0f, 0x00, /* scaling */
+	0x10, 0x00, /* brightness */
+	0x11, 0x60, /* contrast */
+	0x12, 0x01, /* sharpness */
+	0x13, 0x7f, /* U gain */
+	0x14, 0x5a, /* V gain */
+	0x15, 0x00, /* hue */
+	0x16, 0xc3, /* sharpness */
+	0x18, 0x00,
+	0x19, 0x58, /* vbi */
+	0x1a, 0x80,
+	0x1c, 0x0f, /* video norm */
+	0x1d, 0x7f, /* video norm */
+	0x20, 0xa0, /* clamping gain (working 0x50) */
+	0x21, 0x22,
+	0x22, 0xf0,
+	0x23, 0xfe,
+	0x24, 0x3c,
+	0x25, 0x38,
+	0x26, 0x44,
+	0x27, 0x20,
+	0x28, 0x00,
+	0x29, 0x15,
+	0x2a, 0xa0,
+	0x2b, 0x44,
+	0x2c, 0x37,
+	0x2d, 0x00,
+	0x2e, 0xa5, /* burst PLL control (working: a9) */
+	0x2f, 0xe0, /* 0xea is blue test frame -- 0xe0 for normal */
+	0x31, 0x00,
+	0x33, 0x22,
+	0x34, 0x11,
+	0x35, 0x35,
+	0x3b, 0x05,
+	0x06, 0xc0, /* reset device */
+	0x00, 0x00, /* Terminator (reg 0x00 is read-only) */
+};
+
+static int write_reg(struct i2c_client *client, u8 reg, u8 value)
+{
+	return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static int write_regs(struct i2c_client *client, u8 *regs)
+{
+	int i;
+
+	for (i = 0; regs[i] != 0x00; i += 2)
+		if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0)
+			return -1;
+	return 0;
+}
+
+static int wis_tw9903_command(struct i2c_client *client,
+				unsigned int cmd, void *arg)
+{
+	struct wis_tw9903 *dec = i2c_get_clientdata(client);
+
+	switch (cmd) {
+	case DECODER_SET_INPUT:
+	{
+		int *input = arg;
+
+		i2c_smbus_write_byte_data(client, 0x02, 0x40 | (*input << 1));
+		break;
+	}
+#if 0   /* The scaler on this thing seems to be horribly broken */
+	case DECODER_SET_RESOLUTION:
+	{
+		struct video_decoder_resolution *res = arg;
+		/*int hscale = 256 * 720 / res->width;*/
+		int hscale = 256 * 720 / (res->width - (res->width > 704 ? 0 : 8));
+		int vscale = 256 * (dec->norm == VIDEO_MODE_NTSC ?  240 : 288)
+				/ res->height;
+		u8 regs[] = {
+			0x0d, vscale & 0xff,
+			0x0f, hscale & 0xff,
+			0x0e, ((vscale & 0xf00) >> 4) | ((hscale & 0xf00) >> 8),
+			0x06, 0xc0, /* reset device */
+			0,	0,
+		};
+		printk(KERN_DEBUG "vscale is %04x, hscale is %04x\n",
+				vscale, hscale);
+		/*write_regs(client, regs);*/
+		break;
+	}
+#endif
+	case DECODER_SET_NORM:
+	{
+		int *input = arg;
+		u8 regs[] = {
+			0x05, *input == VIDEO_MODE_NTSC ? 0x80 : 0x00,
+			0x07, *input == VIDEO_MODE_NTSC ? 0x02 : 0x12,
+			0x08, *input == VIDEO_MODE_NTSC ? 0x14 : 0x18,
+			0x09, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20,
+			0,	0,
+		};
+		write_regs(client, regs);
+		dec->norm = *input;
+		break;
+	}
+	case VIDIOC_QUERYCTRL:
+	{
+		struct v4l2_queryctrl *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Brightness", sizeof(ctrl->name));
+			ctrl->minimum = -128;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 0x00;
+			ctrl->flags = 0;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Contrast", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 255;
+			ctrl->step = 1;
+			ctrl->default_value = 0x60;
+			ctrl->flags = 0;
+			break;
+#if 0
+		/* I don't understand how the Chroma Gain registers work... */
+		case V4L2_CID_SATURATION:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Saturation", sizeof(ctrl->name));
+			ctrl->minimum = 0;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 64;
+			ctrl->flags = 0;
+			break;
+#endif
+		case V4L2_CID_HUE:
+			ctrl->type = V4L2_CTRL_TYPE_INTEGER;
+			strncpy(ctrl->name, "Hue", sizeof(ctrl->name));
+			ctrl->minimum = -128;
+			ctrl->maximum = 127;
+			ctrl->step = 1;
+			ctrl->default_value = 0;
+			ctrl->flags = 0;
+			break;
+		}
+		break;
+	}
+	case VIDIOC_S_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			if (ctrl->value > 127)
+				dec->brightness = 127;
+			else if (ctrl->value < -128)
+				dec->brightness = -128;
+			else
+				dec->brightness = ctrl->value;
+			write_reg(client, 0x10, dec->brightness);
+			break;
+		case V4L2_CID_CONTRAST:
+			if (ctrl->value > 255)
+				dec->contrast = 255;
+			else if (ctrl->value < 0)
+				dec->contrast = 0;
+			else
+				dec->contrast = ctrl->value;
+			write_reg(client, 0x11, dec->contrast);
+			break;
+#if 0
+		case V4L2_CID_SATURATION:
+			if (ctrl->value > 127)
+				dec->saturation = 127;
+			else if (ctrl->value < 0)
+				dec->saturation = 0;
+			else
+				dec->saturation = ctrl->value;
+			/*write_reg(client, 0x0c, dec->saturation);*/
+			break;
+#endif
+		case V4L2_CID_HUE:
+			if (ctrl->value > 127)
+				dec->hue = 127;
+			else if (ctrl->value < -128)
+				dec->hue = -128;
+			else
+				dec->hue = ctrl->value;
+			write_reg(client, 0x15, dec->hue);
+			break;
+		}
+		break;
+	}
+	case VIDIOC_G_CTRL:
+	{
+		struct v4l2_control *ctrl = arg;
+
+		switch (ctrl->id) {
+		case V4L2_CID_BRIGHTNESS:
+			ctrl->value = dec->brightness;
+			break;
+		case V4L2_CID_CONTRAST:
+			ctrl->value = dec->contrast;
+			break;
+#if 0
+		case V4L2_CID_SATURATION:
+			ctrl->value = dec->saturation;
+			break;
+#endif
+		case V4L2_CID_HUE:
+			ctrl->value = dec->hue;
+			break;
+		}
+		break;
+	}
+	default:
+		break;
+	}
+	return 0;
+}
+
+static struct i2c_driver wis_tw9903_driver;
+
+static struct i2c_client wis_tw9903_client_templ = {
+	.name		= "TW9903 (WIS)",
+	.driver		= &wis_tw9903_driver,
+};
+
+static int wis_tw9903_detect(struct i2c_adapter *adapter, int addr, int kind)
+{
+	struct i2c_client *client;
+	struct wis_tw9903 *dec;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return 0;
+
+	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	if (client == NULL)
+		return -ENOMEM;
+	memcpy(client, &wis_tw9903_client_templ,
+			sizeof(wis_tw9903_client_templ));
+	client->adapter = adapter;
+	client->addr = addr;
+
+	dec = kmalloc(sizeof(struct wis_tw9903), GFP_KERNEL);
+	if (dec == NULL) {
+		kfree(client);
+		return -ENOMEM;
+	}
+	dec->norm = VIDEO_MODE_NTSC;
+	dec->brightness = 0;
+	dec->contrast = 0x60;
+	dec->hue = 0;
+	i2c_set_clientdata(client, dec);
+
+	printk(KERN_DEBUG
+		"wis-tw9903: initializing TW9903 at address %d on %s\n",
+		addr, adapter->name);
+
+	if (write_regs(client, initial_registers) < 0) {
+		printk(KERN_ERR "wis-tw9903: error initializing TW9903\n");
+		kfree(client);
+		kfree(dec);
+		return 0;
+	}
+
+	i2c_attach_client(client);
+	return 0;
+}
+
+static int wis_tw9903_detach(struct i2c_client *client)
+{
+	struct wis_tw9903 *dec = i2c_get_clientdata(client);
+	int r;
+
+	r = i2c_detach_client(client);
+	if (r < 0)
+		return r;
+
+	kfree(client);
+	kfree(dec);
+	return 0;
+}
+
+static struct i2c_driver wis_tw9903_driver = {
+	.driver = {
+		.name	= "WIS TW9903 I2C driver",
+	},
+	.id		= I2C_DRIVERID_WIS_TW9903,
+	.detach_client	= wis_tw9903_detach,
+	.command	= wis_tw9903_command,
+};
+
+static int __init wis_tw9903_init(void)
+{
+	int r;
+
+	r = i2c_add_driver(&wis_tw9903_driver);
+	if (r < 0)
+		return r;
+	return wis_i2c_add_driver(wis_tw9903_driver.id, wis_tw9903_detect);
+}
+
+static void __exit wis_tw9903_cleanup(void)
+{
+	wis_i2c_del_driver(wis_tw9903_detect);
+	i2c_del_driver(&wis_tw9903_driver);
+}
+
+module_init(wis_tw9903_init);
+module_exit(wis_tw9903_cleanup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c
new file mode 100644
index 00000000000..28c10bf3a47
--- /dev/null
+++ b/drivers/staging/go7007/wis-uda1342.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2005-2006 Micronas USA Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <media/tvaudio.h>
+#include <media/v4l2-common.h>
+
+#include "wis-i2c.h"
+
+static int write_reg(struct i2c_client *client, int reg, int value)
+{
+	/* UDA1342 wants MSB first, but SMBus sends LSB first */
+	i2c_smbus_write_word_data(client, reg, swab16(value));
+	return 0;
+}
+
+static int wis_uda1342_command(struct i2c_client *client,
+				unsigned int cmd, void *arg)
+{
+	switch (cmd) {
+	case VIDIOC_S_AUDIO:
+	{
+		int *inp = arg;
+
+		switch (*inp) {
+		case TVAUDIO_INPUT_TUNER:
+			write_reg(client, 0x00, 0x1441); /* select input 2 */
+			break;
+		case TVAUDIO_INPUT_EXTERN:
+			write_reg(client, 0x00, 0x1241); /* select input 1 */
+			break;
+		default:
+			printk(KERN_ERR "wis-uda1342: input %d not supported\n",
+					*inp);
+			break;
+		}
+		break;
+	}
+	default:
+		break;
+	}
+	return 0;
+}
+
+static struct i2c_driver wis_uda1342_driver;
+
+static struct i2c_client wis_uda1342_client_templ = {
+	.name		= "UDA1342 (WIS)",
+	.driver		= &wis_uda1342_driver,
+};
+
+static int wis_uda1342_detect(struct i2c_adapter *adapter, int addr, int kind)
+{
+	struct i2c_client *client;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA))
+		return 0;
+
+	client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+	if (client == NULL)
+		return -ENOMEM;
+	memcpy(client, &wis_uda1342_client_templ,
+			sizeof(wis_uda1342_client_templ));
+	client->adapter = adapter;
+	client->addr = addr;
+
+	printk(KERN_DEBUG
+		"wis-uda1342: initializing UDA1342 at address %d on %s\n",
+		addr, adapter->name);
+
+	write_reg(client, 0x00, 0x8000); /* reset registers */
+	write_reg(client, 0x00, 0x1241); /* select input 1 */
+
+	i2c_attach_client(client);
+	return 0;
+}
+
+static int wis_uda1342_detach(struct i2c_client *client)
+{
+	int r;
+
+	r = i2c_detach_client(client);
+	if (r < 0)
+		return r;
+
+	kfree(client);
+	return 0;
+}
+
+static struct i2c_driver wis_uda1342_driver = {
+	.driver = {
+		.name	= "WIS UDA1342 I2C driver",
+	},
+	.id		= I2C_DRIVERID_WIS_UDA1342,
+	.detach_client	= wis_uda1342_detach,
+	.command	= wis_uda1342_command,
+};
+
+static int __init wis_uda1342_init(void)
+{
+	int r;
+
+	r = i2c_add_driver(&wis_uda1342_driver);
+	if (r < 0)
+		return r;
+	return wis_i2c_add_driver(wis_uda1342_driver.id, wis_uda1342_detect);
+}
+
+static void __exit wis_uda1342_cleanup(void)
+{
+	wis_i2c_del_driver(wis_uda1342_detect);
+	i2c_del_driver(&wis_uda1342_driver);
+}
+
+module_init(wis_uda1342_init);
+module_exit(wis_uda1342_cleanup);
+
+MODULE_LICENSE("GPL v2");
-- 
GitLab


From 05a1f28e879e3b4d6a9c08e30b1898943f77b6e7 Mon Sep 17 00:00:00 2001
From: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Date: Wed, 9 Jul 2008 14:56:51 -0600
Subject: [PATCH 0344/2224] Staging: USB/IP: add common functions needed

This adds the common functions needed by both the host and client side
of the USB/IP code.

Brian Merrell cleaned up a lot of this code and submitted it for
inclusion.  Greg also did a lot of cleanup.

Signed-off-by: Brian G. Merrell <bgmerrell@novell.com>
Cc: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig              |   2 +
 drivers/staging/Makefile             |   1 +
 drivers/staging/usbip/Kconfig        |  14 +
 drivers/staging/usbip/Makefile       |   6 +
 drivers/staging/usbip/README         |   6 +
 drivers/staging/usbip/usbip_common.c | 997 +++++++++++++++++++++++++++
 drivers/staging/usbip/usbip_common.h | 406 +++++++++++
 drivers/staging/usbip/usbip_event.c  | 141 ++++
 8 files changed, 1573 insertions(+)
 create mode 100644 drivers/staging/usbip/Kconfig
 create mode 100644 drivers/staging/usbip/Makefile
 create mode 100644 drivers/staging/usbip/README
 create mode 100644 drivers/staging/usbip/usbip_common.c
 create mode 100644 drivers/staging/usbip/usbip_common.h
 create mode 100644 drivers/staging/usbip/usbip_event.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index f16bc9cdaf3..4dbf795df74 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -33,4 +33,6 @@ source "drivers/staging/me4000/Kconfig"
 
 source "drivers/staging/go7007/Kconfig"
 
+source "drivers/staging/usbip/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index aa61662e632..be42c0d4db0 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_SLICOSS)		+= slicoss/
 obj-$(CONFIG_SXG)		+= sxg/
 obj-$(CONFIG_ME4000)		+= me4000/
 obj-$(CONFIG_VIDEO_GO7007)	+= go7007/
+obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig
new file mode 100644
index 00000000000..37efb5e1bb8
--- /dev/null
+++ b/drivers/staging/usbip/Kconfig
@@ -0,0 +1,14 @@
+config USB_IP_COMMON
+	tristate "USB IP support (EXPERIMENTAL)"
+	depends on USB && EXPERIMENTAL
+	default N
+	---help---
+	  This enables pushing USB packets over IP to allow remote
+	  machines access to USB devices directly.  For more details,
+	  and links to the userspace utility programs to let this work
+	  properly, see http://usbip.naist.jp/
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbip_common_mod.
+
+	  If unsure, say N.
diff --git a/drivers/staging/usbip/Makefile b/drivers/staging/usbip/Makefile
new file mode 100644
index 00000000000..ce925caa608
--- /dev/null
+++ b/drivers/staging/usbip/Makefile
@@ -0,0 +1,6 @@
+obj-$(CONFIG_USB_IP_COMMON) += usbip_common_mod.o
+usbip_common_mod-objs := usbip_common.o usbip_event.o
+
+ifeq ($(CONFIG_USB_DEBUG),y)
+	EXTRA_CFLAGS += -DDEBUG
+endif
diff --git a/drivers/staging/usbip/README b/drivers/staging/usbip/README
new file mode 100644
index 00000000000..c11be573548
--- /dev/null
+++ b/drivers/staging/usbip/README
@@ -0,0 +1,6 @@
+TODO:
+	- more discussion about the protocol
+	- testing
+	- review of the userspace interface
+
+Please send patches for this code to Greg Kroah-Hartman <greg@kroah.com>
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
new file mode 100644
index 00000000000..e64918f42ff
--- /dev/null
+++ b/drivers/staging/usbip/usbip_common.c
@@ -0,0 +1,997 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/file.h>
+#include <linux/tcp.h>
+#include <linux/in.h>
+#include "usbip_common.h"
+
+/* version information */
+#define DRIVER_VERSION "1.0"
+#define DRIVER_AUTHOR "Takahiro Hirofuchi <hirofuchi _at_ users.sourceforge.net>"
+#define DRIVER_DESC "usbip common driver"
+
+/*-------------------------------------------------------------------------*/
+/* debug routines */
+
+#ifdef CONFIG_USB_DEBUG
+unsigned long usbip_debug_flag = 0xffffffff;
+#else
+unsigned long usbip_debug_flag;
+#endif
+EXPORT_SYMBOL_GPL(usbip_debug_flag);
+
+
+/* FIXME */
+struct device_attribute dev_attr_usbip_debug;
+EXPORT_SYMBOL_GPL(dev_attr_usbip_debug);
+
+
+static ssize_t show_flag(struct device *dev, struct device_attribute *attr,
+								char *buf)
+{
+	return sprintf(buf, "%lx\n", usbip_debug_flag);
+}
+
+static ssize_t store_flag(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	unsigned long flag;
+
+	sscanf(buf, "%lx", &flag);
+	usbip_debug_flag = flag;
+
+	return count;
+}
+DEVICE_ATTR(usbip_debug, (S_IRUGO | S_IWUSR), show_flag, store_flag);
+
+static void usbip_dump_buffer(char *buff, int bufflen)
+{
+	int i;
+
+	if (bufflen > 128) {
+		for (i = 0; i < 128; i++) {
+			if (i%24 == 0)
+				printk("   ");
+			printk("%02x ", (unsigned char) buff[i]);
+			if (i%4 == 3)
+				printk("| ");
+			if (i%24 == 23)
+				printk("\n");
+		}
+		printk("... (%d byte)\n", bufflen);
+		return;
+	}
+
+	for (i = 0; i < bufflen; i++) {
+		if (i%24 == 0)
+			printk("   ");
+		printk("%02x ", (unsigned char) buff[i]);
+		if (i%4 == 3)
+			printk("| ");
+		if (i%24 == 23)
+			printk("\n");
+	}
+	printk("\n");
+
+}
+
+static void usbip_dump_pipe(unsigned int p)
+{
+	unsigned char type = usb_pipetype(p);
+	unsigned char ep = usb_pipeendpoint(p);
+	unsigned char dev = usb_pipedevice(p);
+	unsigned char dir = usb_pipein(p);
+
+	printk("dev(%d) ", dev);
+	printk("ep(%d) ",  ep);
+	printk("%s ", dir ? "IN" : "OUT");
+
+	switch (type) {
+	case PIPE_ISOCHRONOUS:
+		printk("%s ", "ISO");
+		break;
+	case PIPE_INTERRUPT:
+		printk("%s ", "INT");
+		break;
+	case PIPE_CONTROL:
+		printk("%s ", "CTL");
+		break;
+	case PIPE_BULK:
+		printk("%s ", "BLK");
+		break;
+	default:
+		printk("ERR");
+	}
+
+	printk("\n");
+
+}
+
+static void usbip_dump_usb_device(struct usb_device *udev)
+{
+	struct device *dev = &udev->dev;
+	int i;
+
+	dev_dbg(dev, "       devnum(%d) devpath(%s)",
+		udev->devnum, udev->devpath);
+
+	switch (udev->speed) {
+	case USB_SPEED_HIGH:
+		printk(" SPD_HIGH");
+		break;
+	case USB_SPEED_FULL:
+		printk(" SPD_FULL");
+		break;
+	case USB_SPEED_LOW:
+		printk(" SPD_LOW");
+		break;
+	case USB_SPEED_UNKNOWN:
+		printk(" SPD_UNKNOWN");
+		break;
+	default:
+		printk(" SPD_ERROR");
+	}
+
+	printk(" tt %p, ttport %d", udev->tt, udev->ttport);
+	printk("\n");
+
+	dev_dbg(dev, "                    ");
+	for (i = 0; i < 16; i++)
+		printk(" %2u", i);
+	printk("\n");
+
+	dev_dbg(dev, "       toggle0(IN) :");
+	for (i = 0; i < 16; i++)
+		printk(" %2u", (udev->toggle[0] & (1 << i)) ? 1 : 0);
+	printk("\n");
+
+	dev_dbg(dev, "       toggle1(OUT):");
+	for (i = 0; i < 16; i++)
+		printk(" %2u", (udev->toggle[1] & (1 << i)) ? 1 : 0);
+	printk("\n");
+
+
+	dev_dbg(dev, "       epmaxp_in   :");
+	for (i = 0; i < 16; i++) {
+		if (udev->ep_in[i])
+			printk(" %2u",
+			     le16_to_cpu(udev->ep_in[i]->desc.wMaxPacketSize));
+	}
+	printk("\n");
+
+	dev_dbg(dev, "       epmaxp_out  :");
+	for (i = 0; i < 16; i++) {
+		if (udev->ep_out[i])
+			printk(" %2u",
+			     le16_to_cpu(udev->ep_out[i]->desc.wMaxPacketSize));
+	}
+	printk("\n");
+
+	dev_dbg(dev, "parent %p, bus %p\n", udev->parent, udev->bus);
+
+	dev_dbg(dev, "descriptor %p, config %p, actconfig %p, "
+		"rawdescriptors %p\n", &udev->descriptor, udev->config,
+		udev->actconfig, udev->rawdescriptors);
+
+	dev_dbg(dev, "have_langid %d, string_langid %d\n",
+		udev->have_langid, udev->string_langid);
+
+	dev_dbg(dev, "maxchild %d, children %p\n",
+		udev->maxchild, udev->children);
+}
+
+static void usbip_dump_request_type(__u8 rt)
+{
+	switch (rt & USB_RECIP_MASK) {
+	case USB_RECIP_DEVICE:
+		printk("DEVICE");
+		break;
+	case USB_RECIP_INTERFACE:
+		printk("INTERF");
+		break;
+	case USB_RECIP_ENDPOINT:
+		printk("ENDPOI");
+		break;
+	case USB_RECIP_OTHER:
+		printk("OTHER ");
+		break;
+	default:
+		printk("------");
+	}
+}
+
+static void usbip_dump_usb_ctrlrequest(struct usb_ctrlrequest *cmd)
+{
+	if (!cmd) {
+		printk("      %s : null pointer\n", __FUNCTION__);
+		return;
+	}
+
+	printk("       ");
+	printk("bRequestType(%02X) ", cmd->bRequestType);
+	printk("bRequest(%02X) " , cmd->bRequest);
+	printk("wValue(%04X) ", cmd->wValue);
+	printk("wIndex(%04X) ", cmd->wIndex);
+	printk("wLength(%04X) ", cmd->wLength);
+
+	printk("\n       ");
+
+	if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) {
+		printk("STANDARD ");
+		switch (cmd->bRequest) {
+		case USB_REQ_GET_STATUS:
+			printk("GET_STATUS");
+			break;
+		case USB_REQ_CLEAR_FEATURE:
+			printk("CLEAR_FEAT");
+			break;
+		case USB_REQ_SET_FEATURE:
+			printk("SET_FEAT  ");
+			break;
+		case USB_REQ_SET_ADDRESS:
+			printk("SET_ADDRRS");
+			break;
+		case USB_REQ_GET_DESCRIPTOR:
+			printk("GET_DESCRI");
+			break;
+		case USB_REQ_SET_DESCRIPTOR:
+			printk("SET_DESCRI");
+			break;
+		case USB_REQ_GET_CONFIGURATION:
+			printk("GET_CONFIG");
+			break;
+		case USB_REQ_SET_CONFIGURATION:
+			printk("SET_CONFIG");
+			break;
+		case USB_REQ_GET_INTERFACE:
+			printk("GET_INTERF");
+			break;
+		case USB_REQ_SET_INTERFACE:
+			printk("SET_INTERF");
+			break;
+		case USB_REQ_SYNCH_FRAME:
+			printk("SYNC_FRAME");
+			break;
+		default:
+			printk("REQ(%02X) ", cmd->bRequest);
+		}
+
+		printk(" ");
+		usbip_dump_request_type(cmd->bRequestType);
+
+	} else if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_CLASS)
+		printk("CLASS   ");
+
+	else if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_VENDOR)
+		printk("VENDOR  ");
+
+	else if ((cmd->bRequestType & USB_TYPE_MASK) == USB_TYPE_RESERVED)
+		printk("RESERVED");
+
+	printk("\n");
+}
+
+void usbip_dump_urb(struct urb *urb)
+{
+	struct device *dev;
+
+	if (!urb) {
+		printk(KERN_DEBUG KBUILD_MODNAME
+		       ":%s: urb: null pointer!!\n", __func__);
+		return;
+	}
+
+	if (!urb->dev) {
+		printk(KERN_DEBUG KBUILD_MODNAME
+		       ":%s: urb->dev: null pointer!!\n", __func__);
+		return;
+	}
+	dev = &urb->dev->dev;
+
+	dev_dbg(dev, "   urb                   :%p\n", urb);
+	dev_dbg(dev, "   dev                   :%p\n", urb->dev);
+
+	usbip_dump_usb_device(urb->dev);
+
+	dev_dbg(dev, "   pipe                  :%08x ", urb->pipe);
+
+	usbip_dump_pipe(urb->pipe);
+
+	dev_dbg(dev, "   status                :%d\n", urb->status);
+	dev_dbg(dev, "   transfer_flags        :%08X\n", urb->transfer_flags);
+	dev_dbg(dev, "   transfer_buffer       :%p\n", urb->transfer_buffer);
+	dev_dbg(dev, "   transfer_buffer_length:%d\n", urb->transfer_buffer_length);
+	dev_dbg(dev, "   actual_length         :%d\n", urb->actual_length);
+	dev_dbg(dev, "   setup_packet          :%p\n", urb->setup_packet);
+
+	if (urb->setup_packet && usb_pipetype(urb->pipe) == PIPE_CONTROL)
+			usbip_dump_usb_ctrlrequest(
+			(struct usb_ctrlrequest *)urb->setup_packet);
+
+	dev_dbg(dev, "   start_frame           :%d\n", urb->start_frame);
+	dev_dbg(dev, "   number_of_packets     :%d\n", urb->number_of_packets);
+	dev_dbg(dev, "   interval              :%d\n", urb->interval);
+	dev_dbg(dev, "   error_count           :%d\n", urb->error_count);
+	dev_dbg(dev, "   context               :%p\n", urb->context);
+	dev_dbg(dev, "   complete              :%p\n", urb->complete);
+}
+EXPORT_SYMBOL_GPL(usbip_dump_urb);
+
+void usbip_dump_header(struct usbip_header *pdu)
+{
+	udbg("BASE: cmd %u seq %u devid %u dir %u ep %u\n",
+			pdu->base.command,
+			pdu->base.seqnum,
+			pdu->base.devid,
+			pdu->base.direction,
+			pdu->base.ep);
+
+	switch (pdu->base.command) {
+	case USBIP_CMD_SUBMIT:
+		udbg("CMD_SUBMIT: x_flags %u x_len %u sf %u #p %u iv %u\n",
+				pdu->u.cmd_submit.transfer_flags,
+				pdu->u.cmd_submit.transfer_buffer_length,
+				pdu->u.cmd_submit.start_frame,
+				pdu->u.cmd_submit.number_of_packets,
+				pdu->u.cmd_submit.interval);
+				break;
+	case USBIP_CMD_UNLINK:
+		udbg("CMD_UNLINK: seq %u\n", pdu->u.cmd_unlink.seqnum);
+		break;
+	case USBIP_RET_SUBMIT:
+		udbg("RET_SUBMIT: st %d al %u sf %d ec %d\n",
+				pdu->u.ret_submit.status,
+				pdu->u.ret_submit.actual_length,
+				pdu->u.ret_submit.start_frame,
+				pdu->u.ret_submit.error_count);
+	case USBIP_RET_UNLINK:
+		udbg("RET_UNLINK: status %d\n", pdu->u.ret_unlink.status);
+		break;
+	default:
+		/* NOT REACHED */
+		udbg("UNKNOWN\n");
+	}
+}
+EXPORT_SYMBOL_GPL(usbip_dump_header);
+
+
+/*-------------------------------------------------------------------------*/
+/* thread routines */
+
+int usbip_thread(void *param)
+{
+	struct usbip_task *ut = param;
+
+	if (!ut)
+		return -EINVAL;
+
+	lock_kernel();
+	daemonize(ut->name);
+	allow_signal(SIGKILL);
+	ut->thread = current;
+	unlock_kernel();
+
+	/* srv.rb must wait for rx_thread starting */
+	complete(&ut->thread_done);
+
+	/* start of while loop */
+	ut->loop_ops(ut);
+
+	/* end of loop */
+	ut->thread = NULL;
+
+	complete_and_exit(&ut->thread_done, 0);
+}
+
+void usbip_start_threads(struct usbip_device *ud)
+{
+	/*
+	 * threads are invoked per one device (per one connection).
+	 */
+	kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0);
+	kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0);
+
+	/* confirm threads are starting */
+	wait_for_completion(&ud->tcp_rx.thread_done);
+	wait_for_completion(&ud->tcp_tx.thread_done);
+}
+EXPORT_SYMBOL_GPL(usbip_start_threads);
+
+void usbip_stop_threads(struct usbip_device *ud)
+{
+	/* kill threads related to this sdev, if v.c. exists */
+	if (ud->tcp_rx.thread != NULL) {
+		send_sig(SIGKILL, ud->tcp_rx.thread, 1);
+		wait_for_completion(&ud->tcp_rx.thread_done);
+		udbg("rx_thread for ud %p has finished\n", ud);
+	}
+
+	if (ud->tcp_tx.thread != NULL) {
+		send_sig(SIGKILL, ud->tcp_tx.thread, 1);
+		wait_for_completion(&ud->tcp_tx.thread_done);
+		udbg("tx_thread for ud %p has finished\n", ud);
+	}
+}
+EXPORT_SYMBOL_GPL(usbip_stop_threads);
+
+void usbip_task_init(struct usbip_task *ut, char *name,
+		void (*loop_ops)(struct usbip_task *))
+{
+	ut->thread = NULL;
+	init_completion(&ut->thread_done);
+	ut->name = name;
+	ut->loop_ops = loop_ops;
+}
+EXPORT_SYMBOL_GPL(usbip_task_init);
+
+
+/*-------------------------------------------------------------------------*/
+/* socket routines */
+
+ /*  Send/receive messages over TCP/IP. I refer drivers/block/nbd.c */
+int usbip_xmit(int send, struct socket *sock, char *buf,
+	       int size, int msg_flags)
+{
+	int result;
+	struct msghdr msg;
+	struct kvec iov;
+	int total = 0;
+
+	/* for blocks of if (dbg_flag_xmit) */
+	char *bp = buf;
+	int osize = size;
+
+	dbg_xmit("enter\n");
+
+	if (!sock || !buf || !size) {
+		printk(KERN_ERR "%s: invalid arg, sock %p buff %p size %d\n",
+		       __func__, sock, buf, size);
+		return -EINVAL;
+	}
+
+
+	if (dbg_flag_xmit) {
+		if (send) {
+			if (!in_interrupt())
+				printk(KERN_DEBUG "%-10s:", current->comm);
+			else
+				printk(KERN_DEBUG "interupt  :");
+
+			printk("%s: sending... , sock %p, buf %p, "
+			       "size %d, msg_flags %d\n", __func__,
+			       sock, buf, size, msg_flags);
+			usbip_dump_buffer(buf, size);
+		}
+	}
+
+
+	do {
+		sock->sk->sk_allocation = GFP_NOIO;
+		iov.iov_base    = buf;
+		iov.iov_len     = size;
+		msg.msg_name    = NULL;
+		msg.msg_namelen = 0;
+		msg.msg_control = NULL;
+		msg.msg_controllen = 0;
+		msg.msg_namelen    = 0;
+		msg.msg_flags      = msg_flags | MSG_NOSIGNAL;
+
+		if (send)
+			result = kernel_sendmsg(sock, &msg, &iov, 1, size);
+		else
+			result = kernel_recvmsg(sock, &msg, &iov, 1, size,
+								MSG_WAITALL);
+
+		if (result <= 0) {
+			udbg("usbip_xmit: %s sock %p buf %p size %u ret %d"
+					" total %d\n",
+					send ? "send" : "receive", sock, buf,
+					size, result, total);
+			goto err;
+		}
+
+		size -= result;
+		buf += result;
+		total += result;
+
+	} while (size > 0);
+
+
+	if (dbg_flag_xmit) {
+		if (!send) {
+			if (!in_interrupt())
+				printk(KERN_DEBUG "%-10s:", current->comm);
+			else
+				printk(KERN_DEBUG "interupt  :");
+
+			printk("usbip_xmit: receiving....\n");
+			usbip_dump_buffer(bp, osize);
+			printk("usbip_xmit: received, osize %d ret %d size %d "
+					"total %d\n", osize, result, size,
+					total);
+		}
+
+		if (send)
+			printk("usbip_xmit: send, total %d\n", total);
+	}
+
+	return total;
+
+err:
+	return result;
+}
+EXPORT_SYMBOL_GPL(usbip_xmit);
+
+
+/* now a usrland utility should set options. */
+#if 0
+int setquickack(struct socket *socket)
+{
+	mm_segment_t oldfs;
+	int val = 1;
+	int ret;
+
+	oldfs = get_fs();
+	set_fs(get_ds());
+	ret = socket->ops->setsockopt(socket, SOL_TCP, TCP_QUICKACK,
+			(char __user *) &val, sizeof(ret));
+	set_fs(oldfs);
+
+	return ret;
+}
+
+int setnodelay(struct socket *socket)
+{
+	mm_segment_t oldfs;
+	int val = 1;
+	int ret;
+
+	oldfs = get_fs();
+	set_fs(get_ds());
+	ret = socket->ops->setsockopt(socket, SOL_TCP, TCP_NODELAY,
+			(char __user *) &val, sizeof(ret));
+	set_fs(oldfs);
+
+	return ret;
+}
+
+int setkeepalive(struct socket *socket)
+{
+	mm_segment_t oldfs;
+	int val = 1;
+	int ret;
+
+	oldfs = get_fs();
+	set_fs(get_ds());
+	ret = socket->ops->setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE,
+			(char __user *) &val, sizeof(ret));
+	set_fs(oldfs);
+
+	return ret;
+}
+
+void setreuse(struct socket *socket)
+{
+	socket->sk->sk_reuse = 1;
+}
+#endif
+
+struct socket *sockfd_to_socket(unsigned int sockfd)
+{
+	struct socket *socket;
+	struct file *file;
+	struct inode *inode;
+
+	file = fget(sockfd);
+	if (!file) {
+		printk(KERN_ERR "%s: invalid sockfd\n", __func__);
+		return NULL;
+	}
+
+	inode = file->f_dentry->d_inode;
+
+	if (!inode || !S_ISSOCK(inode->i_mode))
+		return NULL;
+
+	socket = SOCKET_I(inode);
+
+	return socket;
+}
+EXPORT_SYMBOL_GPL(sockfd_to_socket);
+
+
+
+/*-------------------------------------------------------------------------*/
+/* pdu routines */
+
+/* there may be more cases to tweak the flags. */
+static unsigned int tweak_transfer_flags(unsigned int flags)
+{
+
+	if (flags & URB_NO_TRANSFER_DMA_MAP)
+		/*
+		 * vhci_hcd does not provide DMA-mapped I/O. The upper
+		 * driver does not need to set this flag. The remote
+		 * usbip.ko does not still perform DMA-mapped I/O for
+		 * DMA-caplable host controllers. So, clear this flag.
+		 */
+		flags &= ~URB_NO_TRANSFER_DMA_MAP;
+
+	if (flags & URB_NO_SETUP_DMA_MAP)
+		flags &= ~URB_NO_SETUP_DMA_MAP;
+
+	return flags;
+}
+
+static void usbip_pack_cmd_submit(struct usbip_header *pdu, struct urb *urb,
+								int pack)
+{
+	struct usbip_header_cmd_submit *spdu = &pdu->u.cmd_submit;
+
+	/*
+	 * Some members are not still implemented in usbip. I hope this issue
+	 * will be discussed when usbip is ported to other operating systems.
+	 */
+	if (pack) {
+		/* vhci_tx.c */
+		spdu->transfer_flags =
+				tweak_transfer_flags(urb->transfer_flags);
+		spdu->transfer_buffer_length	= urb->transfer_buffer_length;
+		spdu->start_frame		= urb->start_frame;
+		spdu->number_of_packets		= urb->number_of_packets;
+		spdu->interval			= urb->interval;
+	} else  {
+		/* stub_rx.c */
+		urb->transfer_flags         = spdu->transfer_flags;
+
+		urb->transfer_buffer_length = spdu->transfer_buffer_length;
+		urb->start_frame            = spdu->start_frame;
+		urb->number_of_packets      = spdu->number_of_packets;
+		urb->interval               = spdu->interval;
+	}
+}
+
+static void usbip_pack_ret_submit(struct usbip_header *pdu, struct urb *urb,
+								int pack)
+{
+	struct usbip_header_ret_submit *rpdu = &pdu->u.ret_submit;
+
+	if (pack) {
+		/* stub_tx.c */
+
+		rpdu->status		= urb->status;
+		rpdu->actual_length	= urb->actual_length;
+		rpdu->start_frame	= urb->start_frame;
+		rpdu->error_count	= urb->error_count;
+	} else {
+		/* vhci_rx.c */
+
+		urb->status		= rpdu->status;
+		urb->actual_length	= rpdu->actual_length;
+		urb->start_frame	= rpdu->start_frame;
+		urb->error_count	= rpdu->error_count;
+	}
+}
+
+
+void usbip_pack_pdu(struct usbip_header *pdu, struct urb *urb, int cmd,
+								int pack)
+{
+	switch (cmd) {
+	case USBIP_CMD_SUBMIT:
+		usbip_pack_cmd_submit(pdu, urb, pack);
+		break;
+	case USBIP_RET_SUBMIT:
+		usbip_pack_ret_submit(pdu, urb, pack);
+		break;
+	default:
+		err("unknown command");
+		/* NOTREACHED */
+		/* BUG(); */
+	}
+}
+EXPORT_SYMBOL_GPL(usbip_pack_pdu);
+
+
+static void correct_endian_basic(struct usbip_header_basic *base, int send)
+{
+	if (send) {
+		base->command	= cpu_to_be32(base->command);
+		base->seqnum	= cpu_to_be32(base->seqnum);
+		base->devid	= cpu_to_be32(base->devid);
+		base->direction	= cpu_to_be32(base->direction);
+		base->ep	= cpu_to_be32(base->ep);
+	} else {
+		base->command	= be32_to_cpu(base->command);
+		base->seqnum	= be32_to_cpu(base->seqnum);
+		base->devid	= be32_to_cpu(base->devid);
+		base->direction	= be32_to_cpu(base->direction);
+		base->ep	= be32_to_cpu(base->ep);
+	}
+}
+
+static void correct_endian_cmd_submit(struct usbip_header_cmd_submit *pdu,
+								int send)
+{
+	if (send) {
+		pdu->transfer_flags = cpu_to_be32(pdu->transfer_flags);
+
+		cpu_to_be32s(&pdu->transfer_buffer_length);
+		cpu_to_be32s(&pdu->start_frame);
+		cpu_to_be32s(&pdu->number_of_packets);
+		cpu_to_be32s(&pdu->interval);
+	} else {
+		pdu->transfer_flags = be32_to_cpu(pdu->transfer_flags);
+
+		be32_to_cpus(&pdu->transfer_buffer_length);
+		be32_to_cpus(&pdu->start_frame);
+		be32_to_cpus(&pdu->number_of_packets);
+		be32_to_cpus(&pdu->interval);
+	}
+}
+
+static void correct_endian_ret_submit(struct usbip_header_ret_submit *pdu,
+								int send)
+{
+	if (send) {
+		cpu_to_be32s(&pdu->status);
+		cpu_to_be32s(&pdu->actual_length);
+		cpu_to_be32s(&pdu->start_frame);
+		cpu_to_be32s(&pdu->error_count);
+	} else {
+		be32_to_cpus(&pdu->status);
+		be32_to_cpus(&pdu->actual_length);
+		be32_to_cpus(&pdu->start_frame);
+		be32_to_cpus(&pdu->error_count);
+	}
+}
+
+static void correct_endian_cmd_unlink(struct usbip_header_cmd_unlink *pdu,
+								int send)
+{
+	if (send)
+		pdu->seqnum = cpu_to_be32(pdu->seqnum);
+	else
+		pdu->seqnum = be32_to_cpu(pdu->seqnum);
+}
+
+static void correct_endian_ret_unlink(struct usbip_header_ret_unlink *pdu,
+								int send)
+{
+	if (send)
+		cpu_to_be32s(&pdu->status);
+	else
+		be32_to_cpus(&pdu->status);
+}
+
+void usbip_header_correct_endian(struct usbip_header *pdu, int send)
+{
+	__u32 cmd = 0;
+
+	if (send)
+		cmd = pdu->base.command;
+
+	correct_endian_basic(&pdu->base, send);
+
+	if (!send)
+		cmd = pdu->base.command;
+
+	switch (cmd) {
+	case USBIP_CMD_SUBMIT:
+		correct_endian_cmd_submit(&pdu->u.cmd_submit, send);
+		break;
+	case USBIP_RET_SUBMIT:
+		correct_endian_ret_submit(&pdu->u.ret_submit, send);
+		break;
+	case USBIP_CMD_UNLINK:
+		correct_endian_cmd_unlink(&pdu->u.cmd_unlink, send);
+		break;
+	case USBIP_RET_UNLINK:
+		correct_endian_ret_unlink(&pdu->u.ret_unlink, send);
+		break;
+	default:
+		/* NOTREACHED */
+		err("unknown command in pdu header: %d", cmd);
+		/* BUG(); */
+	}
+}
+EXPORT_SYMBOL_GPL(usbip_header_correct_endian);
+
+static void usbip_iso_pakcet_correct_endian(
+				struct usbip_iso_packet_descriptor *iso,
+				int send)
+{
+	/* does not need all members. but copy all simply. */
+	if (send) {
+		iso->offset	= cpu_to_be32(iso->offset);
+		iso->length	= cpu_to_be32(iso->length);
+		iso->status	= cpu_to_be32(iso->status);
+		iso->actual_length = cpu_to_be32(iso->actual_length);
+	} else {
+		iso->offset	= be32_to_cpu(iso->offset);
+		iso->length	= be32_to_cpu(iso->length);
+		iso->status	= be32_to_cpu(iso->status);
+		iso->actual_length = be32_to_cpu(iso->actual_length);
+	}
+}
+
+static void usbip_pack_iso(struct usbip_iso_packet_descriptor *iso,
+		struct usb_iso_packet_descriptor *uiso, int pack)
+{
+	if (pack) {
+		iso->offset		= uiso->offset;
+		iso->length		= uiso->length;
+		iso->status		= uiso->status;
+		iso->actual_length	= uiso->actual_length;
+	} else {
+		uiso->offset		= iso->offset;
+		uiso->length		= iso->length;
+		uiso->status		= iso->status;
+		uiso->actual_length	= iso->actual_length;
+	}
+}
+
+
+/* must free buffer */
+void *usbip_alloc_iso_desc_pdu(struct urb *urb, ssize_t *bufflen)
+{
+	void *buff;
+	struct usbip_iso_packet_descriptor *iso;
+	int np = urb->number_of_packets;
+	ssize_t size = np * sizeof(*iso);
+	int i;
+
+	buff = kzalloc(size, GFP_KERNEL);
+	if (!buff)
+		return NULL;
+
+	for (i = 0; i < np; i++) {
+		iso = buff + (i * sizeof(*iso));
+
+		usbip_pack_iso(iso, &urb->iso_frame_desc[i], 1);
+		usbip_iso_pakcet_correct_endian(iso, 1);
+	}
+
+	*bufflen = size;
+
+	return buff;
+}
+EXPORT_SYMBOL_GPL(usbip_alloc_iso_desc_pdu);
+
+/* some members of urb must be substituted before. */
+int usbip_recv_iso(struct usbip_device *ud, struct urb *urb)
+{
+	void *buff;
+	struct usbip_iso_packet_descriptor *iso;
+	int np = urb->number_of_packets;
+	int size = np * sizeof(*iso);
+	int i;
+	int ret;
+
+	if (!usb_pipeisoc(urb->pipe))
+		return 0;
+
+	/* my Bluetooth dongle gets ISO URBs which are np = 0 */
+	if (np == 0) {
+		/* uinfo("iso np == 0\n"); */
+		/* usbip_dump_urb(urb); */
+		return 0;
+	}
+
+	buff = kzalloc(size, GFP_KERNEL);
+	if (!buff)
+		return -ENOMEM;
+
+	ret = usbip_xmit(0, ud->tcp_socket, buff, size, 0);
+	if (ret != size) {
+		dev_err(&urb->dev->dev, "recv iso_frame_descriptor, %d\n",
+			ret);
+		kfree(buff);
+
+		if (ud->side == USBIP_STUB)
+			usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
+		else
+			usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+
+		return -EPIPE;
+	}
+
+	for (i = 0; i < np; i++) {
+		iso = buff + (i * sizeof(*iso));
+
+		usbip_iso_pakcet_correct_endian(iso, 0);
+		usbip_pack_iso(iso, &urb->iso_frame_desc[i], 0);
+	}
+
+
+	kfree(buff);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(usbip_recv_iso);
+
+
+/* some members of urb must be substituted before. */
+int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb)
+{
+	int ret;
+	int size;
+
+	if (ud->side == USBIP_STUB) {
+		/* stub_rx.c */
+		/* the direction of urb must be OUT. */
+		if (usb_pipein(urb->pipe))
+			return 0;
+
+		size = urb->transfer_buffer_length;
+	} else {
+		/* vhci_rx.c */
+		/* the direction of urb must be IN. */
+		if (usb_pipeout(urb->pipe))
+			return 0;
+
+		size = urb->actual_length;
+	}
+
+	/* no need to recv xbuff */
+	if (!(size > 0))
+		return 0;
+
+	ret = usbip_xmit(0, ud->tcp_socket, (char *)urb->transfer_buffer,
+			 size, 0);
+	if (ret != size) {
+		dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret);
+		if (ud->side == USBIP_STUB) {
+			usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
+		} else {
+			usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+			return -EPIPE;
+		}
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(usbip_recv_xbuff);
+
+
+/*-------------------------------------------------------------------------*/
+
+static int __init usbip_common_init(void)
+{
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "" DRIVER_VERSION);
+
+	return 0;
+}
+
+static void __exit usbip_common_exit(void)
+{
+	return;
+}
+
+
+
+
+module_init(usbip_common_init);
+module_exit(usbip_common_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h
new file mode 100644
index 00000000000..b0186b76637
--- /dev/null
+++ b/drivers/staging/usbip/usbip_common.h
@@ -0,0 +1,406 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#ifndef __VHCI_COMMON_H
+#define __VHCI_COMMON_H
+
+
+#include <linux/version.h>
+#include <linux/usb.h>
+#include <asm/byteorder.h>
+#include <net/sock.h>
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * define macros to print messages
+ */
+
+/**
+ * udbg - print debug messages if CONFIG_USB_DEBUG is defined
+ * @fmt:
+ * @args:
+ */
+
+#ifdef CONFIG_USB_DEBUG
+
+#define udbg(fmt, args...)						\
+	do {								\
+		printk(KERN_DEBUG "%-10s:(%s,%d) %s: " fmt,		\
+			(in_interrupt() ? "interrupt" : (current)->comm),\
+			__FILE__, __LINE__, __func__, ##args);	\
+	} while (0)
+
+#else  /* CONFIG_USB_DEBUG */
+
+#define udbg(fmt, args...)		do { } while (0)
+
+#endif /* CONFIG_USB_DEBUG */
+
+
+enum {
+	usbip_debug_xmit	= (1 << 0),
+	usbip_debug_sysfs	= (1 << 1),
+	usbip_debug_urb		= (1 << 2),
+	usbip_debug_eh		= (1 << 3),
+
+	usbip_debug_stub_cmp	= (1 << 8),
+	usbip_debug_stub_dev	= (1 << 9),
+	usbip_debug_stub_rx	= (1 << 10),
+	usbip_debug_stub_tx	= (1 << 11),
+
+	usbip_debug_vhci_rh	= (1 << 8),
+	usbip_debug_vhci_hc	= (1 << 9),
+	usbip_debug_vhci_rx	= (1 << 10),
+	usbip_debug_vhci_tx	= (1 << 11),
+	usbip_debug_vhci_sysfs  = (1 << 12)
+};
+
+#define dbg_flag_xmit		(usbip_debug_flag & usbip_debug_xmit)
+#define dbg_flag_vhci_rh	(usbip_debug_flag & usbip_debug_vhci_rh)
+#define dbg_flag_vhci_hc	(usbip_debug_flag & usbip_debug_vhci_hc)
+#define dbg_flag_vhci_rx	(usbip_debug_flag & usbip_debug_vhci_rx)
+#define dbg_flag_vhci_tx	(usbip_debug_flag & usbip_debug_vhci_tx)
+#define dbg_flag_vhci_sysfs	(usbip_debug_flag & usbip_debug_vhci_sysfs)
+#define dbg_flag_stub_rx	(usbip_debug_flag & usbip_debug_stub_rx)
+#define dbg_flag_stub_tx	(usbip_debug_flag & usbip_debug_stub_tx)
+
+extern unsigned long usbip_debug_flag;
+extern struct device_attribute dev_attr_usbip_debug;
+
+#define dbg_with_flag(flag, fmt, args...)		\
+	do {						\
+		if (flag & usbip_debug_flag)		\
+			udbg(fmt , ##args);		\
+	} while (0)
+
+#define dbg_sysfs(fmt, args...)		\
+	dbg_with_flag(usbip_debug_sysfs, fmt , ##args)
+#define dbg_xmit(fmt, args...)		\
+	dbg_with_flag(usbip_debug_xmit, fmt , ##args)
+#define dbg_urb(fmt, args...)		\
+	dbg_with_flag(usbip_debug_urb, fmt , ##args)
+#define dbg_eh(fmt, args...)		\
+	dbg_with_flag(usbip_debug_eh, fmt , ##args)
+
+#define dbg_vhci_rh(fmt, args...)	\
+	dbg_with_flag(usbip_debug_vhci_rh, fmt , ##args)
+#define dbg_vhci_hc(fmt, args...)	\
+	dbg_with_flag(usbip_debug_vhci_hc, fmt , ##args)
+#define dbg_vhci_rx(fmt, args...)	\
+	dbg_with_flag(usbip_debug_vhci_rx, fmt , ##args)
+#define dbg_vhci_tx(fmt, args...)	\
+	dbg_with_flag(usbip_debug_vhci_tx, fmt , ##args)
+#define dbg_vhci_sysfs(fmt, args...)	\
+	dbg_with_flag(usbip_debug_vhci_sysfs, fmt , ##args)
+
+#define dbg_stub_cmp(fmt, args...)	\
+	dbg_with_flag(usbip_debug_stub_cmp, fmt , ##args)
+#define dbg_stub_rx(fmt, args...)	\
+	dbg_with_flag(usbip_debug_stub_rx, fmt , ##args)
+#define dbg_stub_tx(fmt, args...)	\
+	dbg_with_flag(usbip_debug_stub_tx, fmt , ##args)
+
+
+/**
+ * uerr - print error messages
+ * @fmt:
+ * @args:
+ */
+#define uerr(fmt, args...)						\
+	do {								\
+		printk(KERN_ERR "%-10s: ***ERROR*** (%s,%d) %s: " fmt,	\
+			(in_interrupt() ? "interrupt" : (current)->comm),\
+			__FILE__, __LINE__, __func__, ##args);	\
+	} while (0)
+
+/**
+ * uinfo - print information messages
+ * @fmt:
+ * @args:
+ */
+#define uinfo(fmt, args...)					\
+	do {							\
+		printk(KERN_INFO "usbip: " fmt , ## args);	\
+	} while (0)
+
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * USB/IP request headers.
+ * Currently, we define 4 request types:
+ *
+ *  - CMD_SUBMIT transfers a USB request, corresponding to usb_submit_urb().
+ *    (client to server)
+ *  - RET_RETURN transfers the result of CMD_SUBMIT.
+ *    (server to client)
+ *  - CMD_UNLINK transfers an unlink request of a pending USB request.
+ *    (client to server)
+ *  - RET_UNLINK transfers the result of CMD_UNLINK.
+ *    (server to client)
+ *
+ * Note: The below request formats are based on the USB subsystem of Linux. Its
+ * details will be defined when other implementations come.
+ *
+ *
+ */
+
+/*
+ * A basic header followed by other additional headers.
+ */
+struct usbip_header_basic {
+#define USBIP_CMD_SUBMIT	0x0001
+#define USBIP_CMD_UNLINK	0x0002
+#define USBIP_RET_SUBMIT	0x0003
+#define USBIP_RET_UNLINK	0x0004
+	__u32 command;
+
+	 /* sequencial number which identifies requests.
+	  * incremented per connections */
+	__u32 seqnum;
+
+	/* devid is used to specify a remote USB device uniquely instead
+	 * of busnum and devnum in Linux. In the case of Linux stub_driver,
+	 * this value is ((busnum << 16) | devnum) */
+	__u32 devid;
+
+#define USBIP_DIR_OUT	0
+#define USBIP_DIR_IN 	1
+	__u32 direction;
+	__u32 ep;     /* endpoint number */
+} __attribute__ ((packed));
+
+/*
+ * An additional header for a CMD_SUBMIT packet.
+ */
+struct usbip_header_cmd_submit {
+	/* these values are basically the same as in a URB. */
+
+	/* the same in a URB. */
+	__u32 transfer_flags;
+
+	/* set the following data size (out),
+	 * or expected reading data size (in) */
+	__s32 transfer_buffer_length;
+
+	/* it is difficult for usbip to sync frames (reserved only?) */
+	__s32 start_frame;
+
+	/* the number of iso descriptors that follows this header */
+	__s32 number_of_packets;
+
+	/* the maximum time within which this request works in a host
+	 * controller of a server side */
+	__s32 interval;
+
+	/* set setup packet data for a CTRL request */
+	unsigned char setup[8];
+} __attribute__ ((packed));
+
+/*
+ * An additional header for a RET_SUBMIT packet.
+ */
+struct usbip_header_ret_submit {
+	__s32 status;
+	__s32 actual_length; /* returned data length */
+	__s32 start_frame; /* ISO and INT */
+	__s32 number_of_packets;  /* ISO only */
+	__s32 error_count; /* ISO only */
+} __attribute__ ((packed));
+
+/*
+ * An additional header for a CMD_UNLINK packet.
+ */
+struct usbip_header_cmd_unlink {
+	__u32 seqnum; /* URB's seqnum which will be unlinked */
+} __attribute__ ((packed));
+
+
+/*
+ * An additional header for a RET_UNLINK packet.
+ */
+struct usbip_header_ret_unlink {
+	__s32 status;
+} __attribute__ ((packed));
+
+
+/* the same as usb_iso_packet_descriptor but packed for pdu */
+struct usbip_iso_packet_descriptor {
+	__u32 offset;
+	__u32 length;            /* expected length */
+	__u32 actual_length;
+	__u32 status;
+} __attribute__ ((packed));
+
+
+/*
+ * All usbip packets use a common header to keep code simple.
+ */
+struct usbip_header {
+	struct usbip_header_basic base;
+
+	union {
+		struct usbip_header_cmd_submit	cmd_submit;
+		struct usbip_header_ret_submit	ret_submit;
+		struct usbip_header_cmd_unlink	cmd_unlink;
+		struct usbip_header_ret_unlink	ret_unlink;
+	} u;
+} __attribute__ ((packed));
+
+
+
+
+/*-------------------------------------------------------------------------*/
+
+
+int usbip_xmit(int, struct socket *, char *, int, int);
+int usbip_sendmsg(struct socket *, struct msghdr *, int);
+
+
+static inline int interface_to_busnum(struct usb_interface *interface)
+{
+	struct usb_device *udev = interface_to_usbdev(interface);
+	return udev->bus->busnum;
+}
+
+static inline int interface_to_devnum(struct usb_interface *interface)
+{
+	struct usb_device *udev = interface_to_usbdev(interface);
+	return udev->devnum;
+}
+
+static inline int interface_to_infnum(struct usb_interface *interface)
+{
+	return interface->cur_altsetting->desc.bInterfaceNumber;
+}
+
+#if 0
+int setnodelay(struct socket *);
+int setquickack(struct socket *);
+int setkeepalive(struct socket *socket);
+void setreuse(struct socket *);
+#endif
+
+struct socket *sockfd_to_socket(unsigned int);
+int set_sockaddr(struct socket *socket, struct sockaddr_storage *ss);
+
+void usbip_dump_urb(struct urb *purb);
+void usbip_dump_header(struct usbip_header *pdu);
+
+
+struct usbip_device;
+
+struct usbip_task {
+	struct task_struct *thread;
+	struct completion thread_done;
+	char *name;
+	void (*loop_ops)(struct usbip_task *);
+};
+
+enum usbip_side {
+	USBIP_VHCI,
+	USBIP_STUB,
+};
+
+enum usbip_status {
+	/* sdev is available. */
+	SDEV_ST_AVAILABLE = 0x01,
+	/* sdev is now used. */
+	SDEV_ST_USED,
+	/* sdev is unusable because of a fatal error. */
+	SDEV_ST_ERROR,
+
+	/* vdev does not connect a remote device. */
+	VDEV_ST_NULL,
+	/* vdev is used, but the USB address is not assigned yet */
+	VDEV_ST_NOTASSIGNED,
+	VDEV_ST_USED,
+	VDEV_ST_ERROR
+};
+
+/* a common structure for stub_device and vhci_device */
+struct usbip_device {
+	enum usbip_side side;
+
+	enum usbip_status status;
+
+	/* lock for status */
+	spinlock_t lock;
+
+	struct socket *tcp_socket;
+
+	struct usbip_task tcp_rx;
+	struct usbip_task tcp_tx;
+
+	/* event handler */
+#define USBIP_EH_SHUTDOWN	(1 << 0)
+#define USBIP_EH_BYE		(1 << 1)
+#define USBIP_EH_RESET		(1 << 2)
+#define USBIP_EH_UNUSABLE	(1 << 3)
+
+#define SDEV_EVENT_REMOVED	(USBIP_EH_SHUTDOWN | USBIP_EH_RESET | USBIP_EH_BYE)
+#define	SDEV_EVENT_DOWN		(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+#define	SDEV_EVENT_ERROR_TCP	(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+#define	SDEV_EVENT_ERROR_SUBMIT	(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+#define	SDEV_EVENT_ERROR_MALLOC	(USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+
+#define	VDEV_EVENT_REMOVED	(USBIP_EH_SHUTDOWN | USBIP_EH_BYE)
+#define	VDEV_EVENT_DOWN		(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+#define	VDEV_EVENT_ERROR_TCP	(USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+#define	VDEV_EVENT_ERROR_MALLOC	(USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+
+	unsigned long event;
+	struct usbip_task eh;
+	wait_queue_head_t eh_waitq;
+
+	struct eh_ops {
+		void (*shutdown)(struct usbip_device *);
+		void (*reset)(struct usbip_device *);
+		void (*unusable)(struct usbip_device *);
+	} eh_ops;
+};
+
+
+void usbip_task_init(struct usbip_task *ut, char *,
+				void (*loop_ops)(struct usbip_task *));
+
+void usbip_start_threads(struct usbip_device *ud);
+void usbip_stop_threads(struct usbip_device *ud);
+int usbip_thread(void *param);
+
+void usbip_pack_pdu(struct usbip_header *pdu, struct urb *urb, int cmd,
+								int pack);
+
+void usbip_header_correct_endian(struct usbip_header *pdu, int send);
+/* some members of urb must be substituted before. */
+int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb);
+/* some members of urb must be substituted before. */
+int usbip_recv_iso(struct usbip_device *ud, struct urb *urb);
+void *usbip_alloc_iso_desc_pdu(struct urb *urb, ssize_t *bufflen);
+
+
+/* usbip_event.c */
+void usbip_start_eh(struct usbip_device *ud);
+void usbip_stop_eh(struct usbip_device *ud);
+void usbip_event_add(struct usbip_device *ud, unsigned long event);
+int usbip_event_happend(struct usbip_device *ud);
+
+
+#endif
diff --git a/drivers/staging/usbip/usbip_event.c b/drivers/staging/usbip/usbip_event.c
new file mode 100644
index 00000000000..4318553ab20
--- /dev/null
+++ b/drivers/staging/usbip/usbip_event.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "usbip_common.h"
+
+static int event_handler(struct usbip_device *ud)
+{
+	dbg_eh("enter\n");
+
+	/*
+	 * Events are handled by only this thread.
+	 */
+	while (usbip_event_happend(ud)) {
+		dbg_eh("pending event %lx\n", ud->event);
+
+		/*
+		 * NOTE: shutdown must come first.
+		 * Shutdown the device.
+		 */
+		if (ud->event & USBIP_EH_SHUTDOWN) {
+			ud->eh_ops.shutdown(ud);
+
+			ud->event &= ~USBIP_EH_SHUTDOWN;
+
+			break;
+		}
+
+		/* Stop the error handler. */
+		if (ud->event & USBIP_EH_BYE)
+			return -1;
+
+		/* Reset the device. */
+		if (ud->event & USBIP_EH_RESET) {
+			ud->eh_ops.reset(ud);
+
+			ud->event &= ~USBIP_EH_RESET;
+
+			break;
+		}
+
+		/* Mark the device as unusable. */
+		if (ud->event & USBIP_EH_UNUSABLE) {
+			ud->eh_ops.unusable(ud);
+
+			ud->event &= ~USBIP_EH_UNUSABLE;
+
+			break;
+		}
+
+		/* NOTREACHED */
+		printk(KERN_ERR "%s: unknown event\n", __func__);
+		return -1;
+	}
+
+	return 0;
+}
+
+static void event_handler_loop(struct usbip_task *ut)
+{
+	struct usbip_device *ud = container_of(ut, struct usbip_device, eh);
+
+	while (1) {
+		if (signal_pending(current)) {
+			dbg_eh("signal catched!\n");
+			break;
+		}
+
+		if (event_handler(ud) < 0)
+			break;
+
+		wait_event_interruptible(ud->eh_waitq, usbip_event_happend(ud));
+		dbg_eh("wakeup\n");
+	}
+}
+
+void usbip_start_eh(struct usbip_device *ud)
+{
+	struct usbip_task *eh = &ud->eh;
+
+	init_waitqueue_head(&ud->eh_waitq);
+	ud->event = 0;
+
+	usbip_task_init(eh, "usbip_eh", event_handler_loop);
+
+	kernel_thread(usbip_thread, (void *)eh, 0);
+
+	wait_for_completion(&eh->thread_done);
+}
+EXPORT_SYMBOL_GPL(usbip_start_eh);
+
+void usbip_stop_eh(struct usbip_device *ud)
+{
+	struct usbip_task *eh = &ud->eh;
+
+	wait_for_completion(&eh->thread_done);
+	dbg_eh("usbip_eh has finished\n");
+}
+EXPORT_SYMBOL_GPL(usbip_stop_eh);
+
+void usbip_event_add(struct usbip_device *ud, unsigned long event)
+{
+	spin_lock(&ud->lock);
+
+	ud->event |= event;
+
+	wake_up(&ud->eh_waitq);
+
+	spin_unlock(&ud->lock);
+}
+EXPORT_SYMBOL_GPL(usbip_event_add);
+
+int usbip_event_happend(struct usbip_device *ud)
+{
+	int happend = 0;
+
+	spin_lock(&ud->lock);
+
+	if (ud->event != 0)
+		happend = 1;
+
+	spin_unlock(&ud->lock);
+
+	return happend;
+}
+EXPORT_SYMBOL_GPL(usbip_event_happend);
-- 
GitLab


From 04679b3489e048cd5dae79e050a3afed8e4e42b6 Mon Sep 17 00:00:00 2001
From: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Date: Wed, 9 Jul 2008 14:56:51 -0600
Subject: [PATCH 0345/2224] Staging: USB/IP: add client driver

This adds the USB IP client driver

Brian Merrell cleaned up a lot of this code and submitted it for
inclusion.  Greg also did a lot of cleanup.

Signed-off-by: Brian G. Merrell <bgmerrell@novell.com>
Cc: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/Kconfig      |   11 +
 drivers/staging/usbip/Makefile     |    3 +
 drivers/staging/usbip/vhci.h       |  142 ++++
 drivers/staging/usbip/vhci_hcd.c   | 1275 ++++++++++++++++++++++++++++
 drivers/staging/usbip/vhci_rx.c    |  251 ++++++
 drivers/staging/usbip/vhci_sysfs.c |  250 ++++++
 drivers/staging/usbip/vhci_tx.c    |  239 ++++++
 7 files changed, 2171 insertions(+)
 create mode 100644 drivers/staging/usbip/vhci.h
 create mode 100644 drivers/staging/usbip/vhci_hcd.c
 create mode 100644 drivers/staging/usbip/vhci_rx.c
 create mode 100644 drivers/staging/usbip/vhci_sysfs.c
 create mode 100644 drivers/staging/usbip/vhci_tx.c

diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig
index 37efb5e1bb8..c4d68e1581f 100644
--- a/drivers/staging/usbip/Kconfig
+++ b/drivers/staging/usbip/Kconfig
@@ -12,3 +12,14 @@ config USB_IP_COMMON
 	  module will be called usbip_common_mod.
 
 	  If unsure, say N.
+
+config USB_IP_VHCI_HCD
+	tristate "USB IP client driver"
+	depends on USB_IP_COMMON
+	default N
+	---help---
+	 This enables the USB IP host controller driver which will
+	 run on the client machine.
+
+	 To compile this driver as a module, choose M here: the
+	 module will be called vhci_hcd.
diff --git a/drivers/staging/usbip/Makefile b/drivers/staging/usbip/Makefile
index ce925caa608..6ef4c3913f4 100644
--- a/drivers/staging/usbip/Makefile
+++ b/drivers/staging/usbip/Makefile
@@ -1,6 +1,9 @@
 obj-$(CONFIG_USB_IP_COMMON) += usbip_common_mod.o
 usbip_common_mod-objs := usbip_common.o usbip_event.o
 
+obj-$(CONFIG_USB_IP_VHCI_HCD) += vhci-hcd.o
+vhci-hcd-objs := vhci_sysfs.o vhci_tx.o vhci_rx.o vhci_hcd.o
+
 ifeq ($(CONFIG_USB_DEBUG),y)
 	EXTRA_CFLAGS += -DDEBUG
 endif
diff --git a/drivers/staging/usbip/vhci.h b/drivers/staging/usbip/vhci.h
new file mode 100644
index 00000000000..5e375173bbc
--- /dev/null
+++ b/drivers/staging/usbip/vhci.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include <linux/platform_device.h>
+#include "../../usb/core/hcd.h"
+
+
+struct vhci_device {
+	struct usb_device *udev;
+
+	/*
+	 * devid specifies a remote usb device uniquely instead
+	 * of combination of busnum and devnum.
+	 */
+	__u32 devid;
+
+	/* speed of a remote device */
+	enum usb_device_speed speed;
+
+	/*  vhci root-hub port to which this device is attached  */
+	__u32 rhport;
+
+	struct usbip_device ud;
+
+
+	/* lock for the below link lists */
+	spinlock_t priv_lock;
+
+	/* vhci_priv is linked to one of them. */
+	struct list_head priv_tx;
+	struct list_head priv_rx;
+
+	/* vhci_unlink is linked to one of them */
+	struct list_head unlink_tx;
+	struct list_head unlink_rx;
+
+	/* vhci_tx thread sleeps for this queue */
+	wait_queue_head_t waitq_tx;
+};
+
+
+/* urb->hcpriv, use container_of() */
+struct vhci_priv {
+	unsigned long seqnum;
+	struct list_head list;
+
+	struct vhci_device *vdev;
+	struct urb *urb;
+};
+
+
+struct vhci_unlink {
+	/* seqnum of this request */
+	unsigned long seqnum;
+
+	struct list_head list;
+
+	/* seqnum of the unlink target */
+	unsigned long unlink_seqnum;
+};
+
+/*
+ * The number of ports is less than 16 ?
+ * USB_MAXCHILDREN is statically defined to 16 in usb.h.  Its maximum value
+ * would be 31 because the event_bits[1] of struct usb_hub is defined as
+ * unsigned long in hub.h
+ */
+#define VHCI_NPORTS 8
+
+/* for usb_bus.hcpriv */
+struct vhci_hcd {
+	spinlock_t	lock;
+
+	u32	port_status[VHCI_NPORTS];
+
+	unsigned	resuming:1;
+	unsigned long	re_timeout;
+
+	atomic_t seqnum;
+
+	/*
+	 * NOTE:
+	 * wIndex shows the port number and begins from 1.
+	 * But, the index of this array begins from 0.
+	 */
+	struct vhci_device vdev[VHCI_NPORTS];
+
+	/* vhci_device which has not been assiged its address yet */
+	int pending_port;
+};
+
+
+extern struct vhci_hcd *the_controller;
+extern struct attribute_group dev_attr_group;
+
+
+/*-------------------------------------------------------------------------*/
+/* prototype declaration */
+
+/* vhci_hcd.c */
+void rh_port_connect(int rhport, enum usb_device_speed speed);
+void rh_port_disconnect(int rhport);
+void vhci_rx_loop(struct usbip_task *ut);
+void vhci_tx_loop(struct usbip_task *ut);
+
+#define hardware		(&the_controller->pdev.dev)
+
+static inline struct vhci_device *port_to_vdev(__u32 port)
+{
+	return &the_controller->vdev[port];
+}
+
+static inline struct vhci_hcd *hcd_to_vhci(struct usb_hcd *hcd)
+{
+	return (struct vhci_hcd *) (hcd->hcd_priv);
+}
+
+static inline struct usb_hcd *vhci_to_hcd(struct vhci_hcd *vhci)
+{
+	return container_of((void *) vhci, struct usb_hcd, hcd_priv);
+}
+
+static inline struct device *vhci_dev(struct vhci_hcd *vhci)
+{
+	return vhci_to_hcd(vhci)->self.controller;
+}
diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
new file mode 100644
index 00000000000..5b5a2e348ec
--- /dev/null
+++ b/drivers/staging/usbip/vhci_hcd.c
@@ -0,0 +1,1275 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+
+#include "usbip_common.h"
+#include "vhci.h"
+
+#define DRIVER_VERSION "1.0"
+#define DRIVER_AUTHOR "Takahiro Hirofuchi"
+#define DRIVER_DESC "Virtual Host Controller Interface Driver for USB/IP"
+#define DRIVER_LICENCE "GPL"
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE(DRIVER_LICENCE);
+
+
+
+/*
+ * TODO
+ *	- update root hub emulation
+ *	- move the emulation code to userland ?
+ *		porting to other operating systems
+ *		minimize kernel code
+ *	- add suspend/resume code
+ *	- clean up everything
+ */
+
+
+/* See usb gadget dummy hcd */
+
+
+static int vhci_hub_status(struct usb_hcd *hcd, char *buff);
+static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+		u16 wIndex, char *buff, u16 wLength);
+static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
+							gfp_t mem_flags);
+static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status);
+static int vhci_start(struct usb_hcd *vhci_hcd);
+static void vhci_stop(struct usb_hcd *hcd);
+static int vhci_get_frame_number(struct usb_hcd *hcd);
+
+static const char driver_name[] = "vhci_hcd";
+static const char driver_desc[] = "USB/IP Virtual Host Contoroller";
+
+struct vhci_hcd *the_controller;
+
+static const char *bit_desc[] = {
+	"CONNECTION",		/*0*/
+	"ENABLE",		/*1*/
+	"SUSPEND",		/*2*/
+	"OVER_CURRENT",		/*3*/
+	"RESET",		/*4*/
+	"R5",		/*5*/
+	"R6",		/*6*/
+	"R7",		/*7*/
+	"POWER",		/*8*/
+	"LOWSPEED",		/*9*/
+	"HIGHSPEED",		/*10*/
+	"PORT_TEST",		/*11*/
+	"INDICATOR",		/*12*/
+	"R13",		/*13*/
+	"R14",		/*14*/
+	"R15",		/*15*/
+	"C_CONNECTION",		/*16*/
+	"C_ENABLE",		/*17*/
+	"C_SUSPEND",		/*18*/
+	"C_OVER_CURRENT",	/*19*/
+	"C_RESET",		/*20*/
+	"R21",		/*21*/
+	"R22",		/*22*/
+	"R23",		/*23*/
+	"R24",		/*24*/
+	"R25",		/*25*/
+	"R26",		/*26*/
+	"R27",		/*27*/
+	"R28",		/*28*/
+	"R29",		/*29*/
+	"R30",		/*30*/
+	"R31",		/*31*/
+};
+
+
+static void dump_port_status(u32 status)
+{
+	int i = 0;
+
+	printk(KERN_DEBUG "status %08x:", status);
+	for (i = 0; i < 32; i++) {
+		if (status & (1 << i))
+			printk(" %s", bit_desc[i]);
+	}
+
+	printk("\n");
+}
+
+
+
+void rh_port_connect(int rhport, enum usb_device_speed speed)
+{
+	unsigned long	flags;
+
+	dbg_vhci_rh("rh_port_connect %d\n", rhport);
+
+	spin_lock_irqsave(&the_controller->lock, flags);
+
+	the_controller->port_status[rhport] |= USB_PORT_STAT_CONNECTION
+		| (1 << USB_PORT_FEAT_C_CONNECTION);
+
+	switch (speed) {
+	case USB_SPEED_HIGH:
+		the_controller->port_status[rhport] |= USB_PORT_STAT_HIGH_SPEED;
+		break;
+	case USB_SPEED_LOW:
+		the_controller->port_status[rhport] |= USB_PORT_STAT_LOW_SPEED;
+		break;
+	default:
+		break;
+	}
+
+	/* spin_lock(&the_controller->vdev[rhport].ud.lock);
+	 * the_controller->vdev[rhport].ud.status = VDEV_CONNECT;
+	 * spin_unlock(&the_controller->vdev[rhport].ud.lock); */
+
+	the_controller->pending_port = rhport;
+
+	spin_unlock_irqrestore(&the_controller->lock, flags);
+
+	usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
+}
+
+void rh_port_disconnect(int rhport)
+{
+	unsigned long flags;
+
+	dbg_vhci_rh("rh_port_disconnect %d\n", rhport);
+
+	spin_lock_irqsave(&the_controller->lock, flags);
+	/* stop_activity(dum, driver); */
+	the_controller->port_status[rhport] &= ~USB_PORT_STAT_CONNECTION;
+	the_controller->port_status[rhport] |=
+					(1 << USB_PORT_FEAT_C_CONNECTION);
+
+
+	/* not yet complete the disconnection
+	 * spin_lock(&vdev->ud.lock);
+	 * vdev->ud.status = VHC_ST_DISCONNECT;
+	 * spin_unlock(&vdev->ud.lock); */
+
+	spin_unlock_irqrestore(&the_controller->lock, flags);
+}
+
+
+
+/*----------------------------------------------------------------------*/
+
+#define PORT_C_MASK \
+	((USB_PORT_STAT_C_CONNECTION \
+	  | USB_PORT_STAT_C_ENABLE \
+	  | USB_PORT_STAT_C_SUSPEND \
+	  | USB_PORT_STAT_C_OVERCURRENT \
+	  | USB_PORT_STAT_C_RESET) << 16)
+
+/*
+ * This function is almostly the same as dummy_hcd.c:dummy_hub_status() without
+ * suspend/resume support. But, it is modified to provide multiple ports.
+ *
+ * @buf: a bitmap to show which port status has been changed.
+ *  bit  0: reserved or used for another purpose?
+ *  bit  1: the status of port 0 has been changed.
+ *  bit  2: the status of port 1 has been changed.
+ *  ...
+ *  bit  7: the status of port 6 has been changed.
+ *  bit  8: the status of port 7 has been changed.
+ *  ...
+ *  bit 15: the status of port 14 has been changed.
+ *
+ * So, the maximum number of ports is 31 ( port 0 to port 30) ?
+ *
+ * The return value is the actual transfered length in byte. If nothing has
+ * been changed, return 0. In the case that the number of ports is less than or
+ * equal to 6 (VHCI_NPORTS==7), return 1.
+ *
+ */
+static int vhci_hub_status(struct usb_hcd *hcd, char *buf)
+{
+	struct vhci_hcd	*vhci;
+	unsigned long	flags;
+	int		retval = 0;
+
+	/* the enough buffer is allocated according to USB_MAXCHILDREN */
+	unsigned long	*event_bits = (unsigned long *) buf;
+	int		rhport;
+	int		changed = 0;
+
+
+	*event_bits = 0;
+
+	vhci = hcd_to_vhci(hcd);
+
+	spin_lock_irqsave(&vhci->lock, flags);
+	if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+		dbg_vhci_rh("hw accessible flag in on?\n");
+		goto done;
+	}
+
+	/* check pseudo status register for each port */
+	for (rhport = 0; rhport < VHCI_NPORTS; rhport++) {
+		if ((vhci->port_status[rhport] & PORT_C_MASK)) {
+			/* The status of a port has been changed, */
+			dbg_vhci_rh("port %d is changed\n", rhport);
+
+			*event_bits |= 1 << (rhport + 1);
+			changed = 1;
+		}
+	}
+
+	uinfo("changed %d\n", changed);
+
+	if (hcd->state == HC_STATE_SUSPENDED)
+		usb_hcd_resume_root_hub(hcd);
+
+	if (changed)
+		retval = 1 + (VHCI_NPORTS / 8);
+	else
+		retval = 0;
+
+done:
+	spin_unlock_irqrestore(&vhci->lock, flags);
+	return retval;
+}
+
+/* See hub_configure in hub.c */
+static inline void hub_descriptor(struct usb_hub_descriptor *desc)
+{
+	memset(desc, 0, sizeof(*desc));
+	desc->bDescriptorType = 0x29;
+	desc->bDescLength = 9;
+	desc->wHubCharacteristics = (__force __u16)
+		(__constant_cpu_to_le16(0x0001));
+	desc->bNbrPorts = VHCI_NPORTS;
+	desc->bitmap[0] = 0xff;
+	desc->bitmap[1] = 0xff;
+}
+
+static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+			    u16 wIndex, char *buf, u16 wLength)
+{
+	struct vhci_hcd	*dum;
+	int             retval = 0;
+	unsigned long   flags;
+	int		rhport;
+
+	u32 prev_port_status[VHCI_NPORTS];
+
+	if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))
+		return -ETIMEDOUT;
+
+	/*
+	 * NOTE:
+	 * wIndex shows the port number and begins from 1.
+	 */
+	dbg_vhci_rh("typeReq %x wValue %x wIndex %x\n", typeReq, wValue,
+								wIndex);
+	if (wIndex > VHCI_NPORTS)
+		printk(KERN_ERR "%s: invalid port number %d\n", __func__, wIndex);
+	rhport = ((__u8)(wIndex & 0x00ff)) - 1;
+
+	dum = hcd_to_vhci(hcd);
+
+	spin_lock_irqsave(&dum->lock, flags);
+
+	/* store old status and compare now and old later */
+	if (dbg_flag_vhci_rh) {
+		int i = 0;
+		for (i = 0; i < VHCI_NPORTS; i++)
+			prev_port_status[i] = dum->port_status[i];
+	}
+
+	switch (typeReq) {
+	case ClearHubFeature:
+		dbg_vhci_rh(" ClearHubFeature\n");
+		break;
+	case ClearPortFeature:
+		switch (wValue) {
+		case USB_PORT_FEAT_SUSPEND:
+			if (dum->port_status[rhport] & USB_PORT_STAT_SUSPEND) {
+				/* 20msec signaling */
+				dum->resuming = 1;
+				dum->re_timeout =
+					jiffies + msecs_to_jiffies(20);
+			}
+			break;
+		case USB_PORT_FEAT_POWER:
+			dbg_vhci_rh(" ClearPortFeature: USB_PORT_FEAT_POWER\n");
+			dum->port_status[rhport] = 0;
+			/* dum->address = 0; */
+			/* dum->hdev = 0; */
+			dum->resuming = 0;
+			break;
+		case USB_PORT_FEAT_C_RESET:
+			dbg_vhci_rh(" ClearPortFeature: "
+					"USB_PORT_FEAT_C_RESET\n");
+			switch (dum->vdev[rhport].speed) {
+			case USB_SPEED_HIGH:
+				dum->port_status[rhport] |=
+						USB_PORT_STAT_HIGH_SPEED;
+				break;
+			case USB_SPEED_LOW:
+				dum->port_status[rhport] |=
+						USB_PORT_STAT_LOW_SPEED;
+				break;
+			default:
+				break;
+			}
+		default:
+			dbg_vhci_rh(" ClearPortFeature: default %x\n", wValue);
+			dum->port_status[rhport] &= ~(1 << wValue);
+		}
+		break;
+	case GetHubDescriptor:
+		dbg_vhci_rh(" GetHubDescriptor\n");
+		hub_descriptor((struct usb_hub_descriptor *) buf);
+		break;
+	case GetHubStatus:
+		dbg_vhci_rh(" GetHubStatus\n");
+		*(__le32 *) buf = __constant_cpu_to_le32(0);
+		break;
+	case GetPortStatus:
+		dbg_vhci_rh(" GetPortStatus port %x\n", wIndex);
+		if (wIndex > VHCI_NPORTS || wIndex < 1) {
+			printk(KERN_ERR "%s: invalid port number %d\n",
+			       __func__, wIndex);
+			retval = -EPIPE;
+		}
+
+		/* we do no care of resume. */
+
+		/* whoever resets or resumes must GetPortStatus to
+		 * complete it!!
+		 *                                   */
+		if (dum->resuming && time_after(jiffies, dum->re_timeout)) {
+			printk(KERN_ERR "%s: not yet\n", __func__);
+			dum->port_status[rhport] |=
+					(1 << USB_PORT_FEAT_C_SUSPEND);
+			dum->port_status[rhport] &=
+					~(1 << USB_PORT_FEAT_SUSPEND);
+			dum->resuming = 0;
+			dum->re_timeout = 0;
+			/* if (dum->driver && dum->driver->resume) {
+			 *	spin_unlock (&dum->lock);
+			 *	dum->driver->resume (&dum->gadget);
+			 *	spin_lock (&dum->lock);
+			 * } */
+		}
+
+		if ((dum->port_status[rhport] & (1 << USB_PORT_FEAT_RESET)) !=
+				0 && time_after(jiffies, dum->re_timeout)) {
+			dum->port_status[rhport] |=
+						(1 << USB_PORT_FEAT_C_RESET);
+			dum->port_status[rhport] &=
+						~(1 << USB_PORT_FEAT_RESET);
+			dum->re_timeout = 0;
+
+			if (dum->vdev[rhport].ud.status ==
+							VDEV_ST_NOTASSIGNED) {
+				dbg_vhci_rh(" enable rhport %d (status %u)\n",
+						rhport,
+						dum->vdev[rhport].ud.status);
+				dum->port_status[rhport] |=
+							USB_PORT_STAT_ENABLE;
+			}
+#if 0
+			if (dum->driver) {
+
+				dum->port_status[rhport] |=
+							USB_PORT_STAT_ENABLE;
+				/* give it the best speed we agree on */
+				dum->gadget.speed = dum->driver->speed;
+				dum->gadget.ep0->maxpacket = 64;
+				switch (dum->gadget.speed) {
+				case USB_SPEED_HIGH:
+					dum->port_status[rhport] |=
+					USB_PORT_STAT_HIGH_SPEED;
+					break;
+				case USB_SPEED_LOW:
+					dum->gadget.ep0->maxpacket = 8;
+					dum->port_status[rhport] |=
+					USB_PORT_STAT_LOW_SPEED;
+					break;
+				default:
+					dum->gadget.speed = USB_SPEED_FULL;
+					break;
+				}
+			}
+#endif
+
+		}
+		((u16 *) buf)[0] = cpu_to_le16(dum->port_status[rhport]);
+		((u16 *) buf)[1] =
+				cpu_to_le16(dum->port_status[rhport] >> 16);
+
+		dbg_vhci_rh(" GetPortStatus bye %x %x\n", ((u16 *)buf)[0],
+							((u16 *)buf)[1]);
+		break;
+	case SetHubFeature:
+		dbg_vhci_rh(" SetHubFeature\n");
+		retval = -EPIPE;
+		break;
+	case SetPortFeature:
+		switch (wValue) {
+		case USB_PORT_FEAT_SUSPEND:
+			dbg_vhci_rh(" SetPortFeature: "
+					"USB_PORT_FEAT_SUSPEND\n");
+			printk(KERN_ERR "%s: not yet\n", __func__);
+#if 0
+			dum->port_status[rhport] |=
+						(1 << USB_PORT_FEAT_SUSPEND);
+			if (dum->driver->suspend) {
+				spin_unlock(&dum->lock);
+				dum->driver->suspend(&dum->gadget);
+				spin_lock(&dum->lock);
+			}
+#endif
+			break;
+		case USB_PORT_FEAT_RESET:
+			dbg_vhci_rh(" SetPortFeature: USB_PORT_FEAT_RESET\n");
+			/* if it's already running, disconnect first */
+			if (dum->port_status[rhport] & USB_PORT_STAT_ENABLE) {
+				dum->port_status[rhport] &=
+						~(USB_PORT_STAT_ENABLE |
+						  USB_PORT_STAT_LOW_SPEED |
+						  USB_PORT_STAT_HIGH_SPEED);
+#if 0
+				if (dum->driver) {
+					dev_dbg(hardware, "disconnect\n");
+					stop_activity(dum, dum->driver);
+				}
+#endif
+
+				/* FIXME test that code path! */
+			}
+			/* 50msec reset signaling */
+			dum->re_timeout = jiffies + msecs_to_jiffies(50);
+
+			/* FALLTHROUGH */
+		default:
+			dbg_vhci_rh(" SetPortFeature: default %d\n", wValue);
+			dum->port_status[rhport] |= (1 << wValue);
+		}
+		break;
+
+	default:
+		printk(KERN_ERR "%s: default: no such request\n", __func__);
+		/* dev_dbg (hardware,
+		 *		"hub control req%04x v%04x i%04x l%d\n",
+		 *		typeReq, wValue, wIndex, wLength); */
+
+		/* "protocol stall" on error */
+		retval = -EPIPE;
+	}
+
+	if (dbg_flag_vhci_rh) {
+		printk(KERN_DEBUG "port %d\n", rhport);
+		dump_port_status(prev_port_status[rhport]);
+		dump_port_status(dum->port_status[rhport]);
+	}
+	dbg_vhci_rh(" bye\n");
+
+	spin_unlock_irqrestore(&dum->lock, flags);
+
+	return retval;
+}
+
+
+
+/*----------------------------------------------------------------------*/
+
+static struct vhci_device *get_vdev(struct usb_device *udev)
+{
+	int i;
+
+	if (!udev)
+		return NULL;
+
+	for (i = 0; i < VHCI_NPORTS; i++)
+		if (the_controller->vdev[i].udev == udev)
+			return port_to_vdev(i);
+
+	return NULL;
+}
+
+static void vhci_tx_urb(struct urb *urb)
+{
+	struct vhci_device *vdev = get_vdev(urb->dev);
+	struct vhci_priv *priv;
+	unsigned long flag;
+
+	if (!vdev) {
+		err("could not get virtual device");
+		/* BUG(); */
+		return;
+	}
+
+	spin_lock_irqsave(&vdev->priv_lock, flag);
+
+	priv = kzalloc(sizeof(struct vhci_priv), GFP_ATOMIC);
+	if (!priv) {
+		dev_err(&urb->dev->dev, "malloc vhci_priv\n");
+		spin_unlock_irqrestore(&vdev->priv_lock, flag);
+		usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_MALLOC);
+		return;
+	}
+
+	priv->seqnum = atomic_inc_return(&the_controller->seqnum);
+	if (priv->seqnum == 0xffff)
+		uinfo("seqnum max\n");
+
+	priv->vdev = vdev;
+	priv->urb = urb;
+
+	urb->hcpriv = (void *) priv;
+
+
+	list_add_tail(&priv->list, &vdev->priv_tx);
+
+	wake_up(&vdev->waitq_tx);
+	spin_unlock_irqrestore(&vdev->priv_lock, flag);
+}
+
+static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
+			    gfp_t mem_flags)
+{
+	struct device *dev = &urb->dev->dev;
+	int ret = 0;
+	unsigned long flags;
+
+	dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n",
+		    hcd, urb, mem_flags);
+
+	/* patch to usb_sg_init() is in 2.5.60 */
+	BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length);
+
+	spin_lock_irqsave(&the_controller->lock, flags);
+
+	/* check HC is active or not */
+	if (!HC_IS_RUNNING(hcd->state)) {
+		dev_err(dev, "HC is not running\n");
+		spin_unlock_irqrestore(&the_controller->lock, flags);
+		return -ENODEV;
+	}
+
+	if (urb->status != -EINPROGRESS) {
+		dev_err(dev, "URB already unlinked!, status %d\n", urb->status);
+		spin_unlock_irqrestore(&the_controller->lock, flags);
+		return urb->status;
+	}
+
+	ret = usb_hcd_link_urb_to_ep(hcd, urb);
+	if (ret)
+		goto no_need_unlink;
+
+	/*
+	 * The enumelation process is as follows;
+	 *
+	 *  1. Get_Descriptor request to DevAddrs(0) EndPoint(0)
+	 *     to get max packet length of default pipe
+	 *
+	 *  2. Set_Address request to DevAddr(0) EndPoint(0)
+	 *
+	 */
+
+	if (usb_pipedevice(urb->pipe) == 0) {
+		__u8 type = usb_pipetype(urb->pipe);
+		struct usb_ctrlrequest *ctrlreq =
+				(struct usb_ctrlrequest *) urb->setup_packet;
+		struct vhci_device *vdev =
+				port_to_vdev(the_controller->pending_port);
+
+		if (type != PIPE_CONTROL || !ctrlreq) {
+			dev_err(dev, "invalid request to devnum 0\n");
+			ret = EINVAL;
+			goto no_need_xmit;
+		}
+
+		switch (ctrlreq->bRequest) {
+		case USB_REQ_SET_ADDRESS:
+			/* set_address may come when a device is reset */
+			dev_info(dev, "SetAddress Request (%d) to port %d\n",
+				 ctrlreq->wValue, vdev->rhport);
+
+			vdev->udev = urb->dev;
+
+			spin_lock(&vdev->ud.lock);
+			vdev->ud.status = VDEV_ST_USED;
+			spin_unlock(&vdev->ud.lock);
+
+			if (urb->status == -EINPROGRESS) {
+				/* This request is successfully completed. */
+				/* If not -EINPROGRESS, possibly unlinked. */
+				urb->status = 0;
+			}
+
+			goto no_need_xmit;
+
+		case USB_REQ_GET_DESCRIPTOR:
+			if (ctrlreq->wValue == (USB_DT_DEVICE << 8))
+				dbg_vhci_hc("Not yet?: "
+						"Get_Descriptor to device 0 "
+						"(get max pipe size)\n");
+
+			/* FIXME: reference count? (usb_get_dev()) */
+			vdev->udev = urb->dev;
+			goto out;
+
+		default:
+			/* NOT REACHED */
+			dev_err(dev, "invalid request to devnum 0 bRequest %u, "
+				"wValue %u\n", ctrlreq->bRequest,
+				ctrlreq->wValue);
+			ret =  -EINVAL;
+			goto no_need_xmit;
+		}
+
+	}
+
+out:
+	vhci_tx_urb(urb);
+
+	spin_unlock_irqrestore(&the_controller->lock, flags);
+
+	return 0;
+
+no_need_xmit:
+	usb_hcd_unlink_urb_from_ep(hcd, urb);
+no_need_unlink:
+	spin_unlock_irqrestore(&the_controller->lock, flags);
+
+	usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
+
+	return 0;
+}
+
+/*
+ * vhci_rx gives back the urb after receiving the reply of the urb.  If an
+ * unlink pdu is sent or not, vhci_rx receives a normal return pdu and gives
+ * back its urb. For the driver unlinking the urb, the content of the urb is
+ * not important, but the calling to its completion handler is important; the
+ * completion of unlinking is notified by the completion handler.
+ *
+ *
+ * CLIENT SIDE
+ *
+ * - When vhci_hcd receives RET_SUBMIT,
+ *
+ *	- case 1a). the urb of the pdu is not unlinking.
+ *		- normal case
+ *		=> just give back the urb
+ *
+ *	- case 1b). the urb of the pdu is unlinking.
+ *		- usbip.ko will return a reply of the unlinking request.
+ *		=> give back the urb now and go to case 2b).
+ *
+ * - When vhci_hcd receives RET_UNLINK,
+ *
+ *	- case 2a). a submit request is still pending in vhci_hcd.
+ *		- urb was really pending in usbip.ko and urb_unlink_urb() was
+ *		  completed there.
+ *		=> free a pending submit request
+ *		=> notify unlink completeness by giving back the urb
+ *
+ *	- case 2b). a submit request is *not* pending in vhci_hcd.
+ *		- urb was already given back to the core driver.
+ *		=> do not give back the urb
+ *
+ *
+ * SERVER SIDE
+ *
+ * - When usbip receives CMD_UNLINK,
+ *
+ *	- case 3a). the urb of the unlink request is now in submission.
+ *		=> do usb_unlink_urb().
+ *		=> after the unlink is completed, send RET_UNLINK.
+ *
+ *	- case 3b). the urb of the unlink request is not in submission.
+ *		- may be already completed or never be received
+ *		=> send RET_UNLINK
+ *
+ */
+static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
+{
+	unsigned long flags;
+	struct vhci_priv *priv;
+	struct vhci_device *vdev;
+
+	uinfo("vhci_hcd: dequeue a urb %p\n", urb);
+
+
+	spin_lock_irqsave(&the_controller->lock, flags);
+
+	priv = urb->hcpriv;
+	if (!priv) {
+		/* URB was never linked! or will be soon given back by
+		 * vhci_rx. */
+		spin_unlock_irqrestore(&the_controller->lock, flags);
+		return 0;
+	}
+
+	{
+		int ret = 0;
+		ret = usb_hcd_check_unlink_urb(hcd, urb, status);
+		if (ret) {
+			spin_unlock_irqrestore(&the_controller->lock, flags);
+			return 0;
+		}
+	}
+
+	 /* send unlink request here? */
+	vdev = priv->vdev;
+
+	if (!vdev->ud.tcp_socket) {
+		/* tcp connection is closed */
+		unsigned long flags2;
+
+		spin_lock_irqsave(&vdev->priv_lock, flags2);
+
+		uinfo("vhci_hcd: device %p seems to be disconnected\n", vdev);
+		list_del(&priv->list);
+		kfree(priv);
+		urb->hcpriv = NULL;
+
+		spin_unlock_irqrestore(&vdev->priv_lock, flags2);
+
+	} else {
+		/* tcp connection is alive */
+		unsigned long flags2;
+		struct vhci_unlink *unlink;
+
+		spin_lock_irqsave(&vdev->priv_lock, flags2);
+
+		/* setup CMD_UNLINK pdu */
+		unlink = kzalloc(sizeof(struct vhci_unlink), GFP_ATOMIC);
+		if (!unlink) {
+			uerr("malloc vhci_unlink\n");
+			spin_unlock_irqrestore(&vdev->priv_lock, flags2);
+			spin_unlock_irqrestore(&the_controller->lock, flags);
+			usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_MALLOC);
+			return -ENOMEM;
+		}
+
+		unlink->seqnum = atomic_inc_return(&the_controller->seqnum);
+		if (unlink->seqnum == 0xffff)
+			uinfo("seqnum max\n");
+
+		unlink->unlink_seqnum = priv->seqnum;
+
+		uinfo("vhci_hcd: device %p seems to be still connected\n",
+									vdev);
+
+		/* send cmd_unlink and try to cancel the pending URB in the
+		 * peer */
+		list_add_tail(&unlink->list, &vdev->unlink_tx);
+		wake_up(&vdev->waitq_tx);
+
+		spin_unlock_irqrestore(&vdev->priv_lock, flags2);
+	}
+
+
+	/*
+	 * If tcp connection is alive, we have sent CMD_UNLINK.
+	 * vhci_rx will receive RET_UNLINK and give back the URB.
+	 * Otherwise, we give back it here.
+	 */
+	if (!vdev->ud.tcp_socket) {
+		/* tcp connection is closed */
+		uinfo("vhci_hcd: vhci_urb_dequeue() gives back urb %p\n", urb);
+
+		usb_hcd_unlink_urb_from_ep(hcd, urb);
+
+		spin_unlock_irqrestore(&the_controller->lock, flags);
+		usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
+								urb->status);
+		spin_lock_irqsave(&the_controller->lock, flags);
+	}
+
+	spin_unlock_irqrestore(&the_controller->lock, flags);
+
+	dbg_vhci_hc("leave\n");
+	return 0;
+}
+
+
+static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
+{
+	struct vhci_unlink *unlink, *tmp;
+
+	spin_lock(&vdev->priv_lock);
+
+	list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
+		list_del(&unlink->list);
+		kfree(unlink);
+	}
+
+	list_for_each_entry_safe(unlink, tmp, &vdev->unlink_rx, list) {
+		list_del(&unlink->list);
+		kfree(unlink);
+	}
+
+	spin_unlock(&vdev->priv_lock);
+}
+
+/*
+ * The important thing is that only one context begins cleanup.
+ * This is why error handling and cleanup become simple.
+ * We do not want to consider race condition as possible.
+ */
+static void vhci_shutdown_connection(struct usbip_device *ud)
+{
+	struct vhci_device *vdev = container_of(ud, struct vhci_device, ud);
+
+	/* need this? see stub_dev.c */
+	if (ud->tcp_socket) {
+		udbg("shutdown tcp_socket %p\n", ud->tcp_socket);
+		kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);
+	}
+
+	usbip_stop_threads(&vdev->ud);
+	uinfo("stop threads\n");
+
+	/* active connection is closed */
+	if (vdev->ud.tcp_socket != NULL) {
+		sock_release(vdev->ud.tcp_socket);
+		vdev->ud.tcp_socket = NULL;
+	}
+	uinfo("release socket\n");
+
+	vhci_device_unlink_cleanup(vdev);
+
+	/*
+	 * rh_port_disconnect() is a trigger of ...
+	 *   usb_disable_device():
+	 *	disable all the endpoints for a USB device.
+	 *   usb_disable_endpoint():
+	 *	disable endpoints. pending urbs are unlinked(dequeued).
+	 *
+	 * NOTE: After calling rh_port_disconnect(), the USB device drivers of a
+	 * deteched device should release used urbs in a cleanup function(i.e.
+	 * xxx_disconnect()). Therefore, vhci_hcd does not need to release
+	 * pushed urbs and their private data in this function.
+	 *
+	 * NOTE: vhci_dequeue() must be considered carefully. When shutdowning
+	 * a connection, vhci_shutdown_connection() expects vhci_dequeue()
+	 * gives back pushed urbs and frees their private data by request of
+	 * the cleanup function of a USB driver. When unlinking a urb with an
+	 * active connection, vhci_dequeue() does not give back the urb which
+	 * is actually given back by vhci_rx after receiving its return pdu.
+	 *
+	 */
+	rh_port_disconnect(vdev->rhport);
+
+	uinfo("disconnect device\n");
+}
+
+
+static void vhci_device_reset(struct usbip_device *ud)
+{
+	struct vhci_device *vdev = container_of(ud, struct vhci_device, ud);
+
+	spin_lock(&ud->lock);
+
+	vdev->speed  = 0;
+	vdev->devid  = 0;
+
+	ud->tcp_socket = NULL;
+
+	ud->status = VDEV_ST_NULL;
+
+	spin_unlock(&ud->lock);
+}
+
+static void vhci_device_unusable(struct usbip_device *ud)
+{
+	spin_lock(&ud->lock);
+
+	ud->status = VDEV_ST_ERROR;
+
+	spin_unlock(&ud->lock);
+}
+
+static void vhci_device_init(struct vhci_device *vdev)
+{
+	memset(vdev, 0, sizeof(*vdev));
+
+	usbip_task_init(&vdev->ud.tcp_rx, "vhci_rx", vhci_rx_loop);
+	usbip_task_init(&vdev->ud.tcp_tx, "vhci_tx", vhci_tx_loop);
+
+	vdev->ud.side   = USBIP_VHCI;
+	vdev->ud.status = VDEV_ST_NULL;
+	/* vdev->ud.lock   = SPIN_LOCK_UNLOCKED; */
+	spin_lock_init(&vdev->ud.lock);
+
+	INIT_LIST_HEAD(&vdev->priv_rx);
+	INIT_LIST_HEAD(&vdev->priv_tx);
+	INIT_LIST_HEAD(&vdev->unlink_tx);
+	INIT_LIST_HEAD(&vdev->unlink_rx);
+	/* vdev->priv_lock = SPIN_LOCK_UNLOCKED; */
+	spin_lock_init(&vdev->priv_lock);
+
+	init_waitqueue_head(&vdev->waitq_tx);
+
+	vdev->ud.eh_ops.shutdown = vhci_shutdown_connection;
+	vdev->ud.eh_ops.reset = vhci_device_reset;
+	vdev->ud.eh_ops.unusable = vhci_device_unusable;
+
+	usbip_start_eh(&vdev->ud);
+}
+
+
+/*----------------------------------------------------------------------*/
+
+static int vhci_start(struct usb_hcd *hcd)
+{
+	struct vhci_hcd *vhci = hcd_to_vhci(hcd);
+	int rhport;
+	int err = 0;
+
+	dbg_vhci_hc("enter vhci_start\n");
+
+
+	/* initialize private data of usb_hcd */
+
+	for (rhport = 0; rhport < VHCI_NPORTS; rhport++) {
+		struct vhci_device *vdev = &vhci->vdev[rhport];
+		vhci_device_init(vdev);
+		vdev->rhport = rhport;
+	}
+
+	atomic_set(&vhci->seqnum, 0);
+	spin_lock_init(&vhci->lock);
+
+
+
+	hcd->power_budget = 0; /* no limit */
+	hcd->state  = HC_STATE_RUNNING;
+	hcd->uses_new_polling = 1;
+
+
+	/* vhci_hcd is now ready to be controlled through sysfs */
+	err = sysfs_create_group(&vhci_dev(vhci)->kobj, &dev_attr_group);
+	if (err) {
+		uerr("create sysfs files\n");
+		return err;
+	}
+
+	return 0;
+}
+
+static void vhci_stop(struct usb_hcd *hcd)
+{
+	struct vhci_hcd *vhci = hcd_to_vhci(hcd);
+	int rhport = 0;
+
+	dbg_vhci_hc("stop VHCI controller\n");
+
+
+	/* 1. remove the userland interface of vhci_hcd */
+	sysfs_remove_group(&vhci_dev(vhci)->kobj, &dev_attr_group);
+
+	/* 2. shutdown all the ports of vhci_hcd */
+	for (rhport = 0 ; rhport < VHCI_NPORTS; rhport++) {
+		struct vhci_device *vdev = &vhci->vdev[rhport];
+
+		usbip_event_add(&vdev->ud, VDEV_EVENT_REMOVED);
+		usbip_stop_eh(&vdev->ud);
+	}
+
+
+	uinfo("vhci_stop done\n");
+}
+
+/*----------------------------------------------------------------------*/
+
+static int vhci_get_frame_number(struct usb_hcd *hcd)
+{
+	uerr("Not yet implemented\n");
+	return 0;
+}
+
+
+#ifdef CONFIG_PM
+
+/* FIXME: suspend/resume */
+static int vhci_bus_suspend(struct usb_hcd *hcd)
+{
+	struct vhci_hcd *vhci = hcd_to_vhci(hcd);
+
+	dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__);
+
+	spin_lock_irq(&vhci->lock);
+	/* vhci->rh_state = DUMMY_RH_SUSPENDED;
+	 * set_link_state(vhci); */
+	hcd->state = HC_STATE_SUSPENDED;
+	spin_unlock_irq(&vhci->lock);
+
+	return 0;
+}
+
+static int vhci_bus_resume(struct usb_hcd *hcd)
+{
+	struct vhci_hcd *vhci = hcd_to_vhci(hcd);
+	int rc = 0;
+
+	dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__);
+
+	spin_lock_irq(&vhci->lock);
+	if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+		rc = -ESHUTDOWN;
+	} else {
+		/* vhci->rh_state = DUMMY_RH_RUNNING;
+		 * set_link_state(vhci);
+		 * if (!list_empty(&vhci->urbp_list))
+		 *	mod_timer(&vhci->timer, jiffies); */
+		hcd->state = HC_STATE_RUNNING;
+	}
+	spin_unlock_irq(&vhci->lock);
+	return rc;
+
+	return 0;
+}
+
+#else
+
+#define vhci_bus_suspend      NULL
+#define vhci_bus_resume       NULL
+#endif
+
+
+
+static struct hc_driver vhci_hc_driver = {
+	.description	= driver_name,
+	.product_desc	= driver_desc,
+	.hcd_priv_size	= sizeof(struct vhci_hcd),
+
+	.flags		= HCD_USB2,
+
+	.start		= vhci_start,
+	.stop 		= vhci_stop,
+
+	.urb_enqueue	= vhci_urb_enqueue,
+	.urb_dequeue	= vhci_urb_dequeue,
+
+	.get_frame_number = vhci_get_frame_number,
+
+	.hub_status_data = vhci_hub_status,
+	.hub_control    = vhci_hub_control,
+	.bus_suspend	= vhci_bus_suspend,
+	.bus_resume	= vhci_bus_resume,
+};
+
+static int vhci_hcd_probe(struct platform_device *pdev)
+{
+	struct usb_hcd		*hcd;
+	int			ret;
+
+	uinfo("proving...\n");
+
+	dbg_vhci_hc("name %s id %d\n", pdev->name, pdev->id);
+
+	/* will be removed */
+	if (pdev->dev.dma_mask) {
+		dev_info(&pdev->dev, "vhci_hcd DMA not supported\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Allocate and initialize hcd.
+	 * Our private data is also allocated automatically.
+	 */
+	hcd = usb_create_hcd(&vhci_hc_driver, &pdev->dev, pdev->dev.bus_id);
+	if (!hcd) {
+		uerr("create hcd failed\n");
+		return -ENOMEM;
+	}
+
+
+	/* this is private data for vhci_hcd */
+	the_controller = hcd_to_vhci(hcd);
+
+	/*
+	 * Finish generic HCD structure initialization and register.
+	 * Call the driver's reset() and start() routines.
+	 */
+	ret = usb_add_hcd(hcd, 0, 0);
+	if (ret != 0) {
+		uerr("usb_add_hcd failed %d\n", ret);
+		usb_put_hcd(hcd);
+		the_controller = NULL;
+		return ret;
+	}
+
+
+	dbg_vhci_hc("bye\n");
+	return 0;
+}
+
+
+static int vhci_hcd_remove(struct platform_device *pdev)
+{
+	struct usb_hcd	*hcd;
+
+	hcd = platform_get_drvdata(pdev);
+	if (!hcd)
+		return 0;
+
+	/*
+	 * Disconnects the root hub,
+	 * then reverses the effects of usb_add_hcd(),
+	 * invoking the HCD's stop() methods.
+	 */
+	usb_remove_hcd(hcd);
+	usb_put_hcd(hcd);
+	the_controller = NULL;
+
+
+	return 0;
+}
+
+
+
+#ifdef CONFIG_PM
+
+/* what should happen for USB/IP under suspend/resume? */
+static int vhci_hcd_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct usb_hcd *hcd;
+	int rhport = 0;
+	int connected = 0;
+	int ret = 0;
+
+	dev_dbg(&pdev->dev, "%s\n", __func__);
+
+	hcd = platform_get_drvdata(pdev);
+
+	spin_lock(&the_controller->lock);
+
+	for (rhport = 0; rhport < VHCI_NPORTS; rhport++)
+		if (the_controller->port_status[rhport] &
+						USB_PORT_STAT_CONNECTION)
+			connected += 1;
+
+	spin_unlock(&the_controller->lock);
+
+	if (connected > 0) {
+		uinfo("We have %d active connection%s. Do not suspend.\n",
+				connected, (connected == 1 ? "" : "s"));
+		ret =  -EBUSY;
+	} else {
+		uinfo("suspend vhci_hcd");
+		clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+	}
+
+	return ret;
+}
+
+static int vhci_hcd_resume(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd;
+
+	dev_dbg(&pdev->dev, "%s\n", __func__);
+
+	hcd = platform_get_drvdata(pdev);
+	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+	usb_hcd_poll_rh_status(hcd);
+
+	return 0;
+}
+
+#else
+
+#define vhci_hcd_suspend	NULL
+#define vhci_hcd_resume		NULL
+
+#endif
+
+
+static struct platform_driver vhci_driver = {
+	.probe	= vhci_hcd_probe,
+	.remove	= __devexit_p(vhci_hcd_remove),
+	.suspend = vhci_hcd_suspend,
+	.resume	= vhci_hcd_resume,
+	.driver	= {
+		.name = (char *) driver_name,
+		.owner = THIS_MODULE,
+	},
+};
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * The VHCI 'device' is 'virtual'; not a real plug&play hardware.
+ * We need to add this virtual device as a platform device arbitrarily:
+ *	1. platform_device_register()
+ */
+static void the_pdev_release(struct device *dev)
+{
+	return;
+}
+
+static struct platform_device the_pdev = {
+	/* should be the same name as driver_name */
+	.name = (char *) driver_name,
+	.id = -1,
+	.dev = {
+		/* .driver = &vhci_driver, */
+		.release = the_pdev_release,
+	},
+};
+
+static int __init vhci_init(void)
+{
+	int ret;
+
+	dbg_vhci_hc("enter\n");
+	if (usb_disabled())
+		return -ENODEV;
+
+	printk(KERN_INFO KBUILD_MODNAME ": %s, %s\n", driver_name,
+	       DRIVER_VERSION);
+
+	ret = platform_driver_register(&vhci_driver);
+	if (ret < 0)
+		goto err_driver_register;
+
+	ret = platform_device_register(&the_pdev);
+	if (ret < 0)
+		goto err_platform_device_register;
+
+	dbg_vhci_hc("bye\n");
+	return ret;
+
+	/* error occurred */
+err_platform_device_register:
+	platform_driver_unregister(&vhci_driver);
+
+err_driver_register:
+	dbg_vhci_hc("bye\n");
+	return ret;
+}
+module_init(vhci_init);
+
+static void __exit vhci_cleanup(void)
+{
+	dbg_vhci_hc("enter\n");
+
+	platform_device_unregister(&the_pdev);
+	platform_driver_unregister(&vhci_driver);
+
+	dbg_vhci_hc("bye\n");
+}
+module_exit(vhci_cleanup);
diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
new file mode 100644
index 00000000000..933ccaf50af
--- /dev/null
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "usbip_common.h"
+#include "vhci.h"
+
+
+/* get URB from transmitted urb queue */
+static struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
+					    __u32 seqnum)
+{
+	struct vhci_priv *priv, *tmp;
+	struct urb *urb = NULL;
+	int status;
+
+	spin_lock(&vdev->priv_lock);
+
+	list_for_each_entry_safe(priv, tmp, &vdev->priv_rx, list) {
+		if (priv->seqnum == seqnum) {
+			urb = priv->urb;
+			status = urb->status;
+
+			dbg_vhci_rx("find urb %p vurb %p seqnum %u\n",
+				    urb, priv, seqnum);
+
+			/* TODO: fix logic here to improve indent situtation */
+			if (status != -EINPROGRESS) {
+				if (status == -ENOENT ||
+				     status == -ECONNRESET)
+					dev_info(&urb->dev->dev,
+						 "urb %p was unlinked "
+						 "%ssynchronuously.\n", urb,
+						 status == -ENOENT ? "" : "a");
+				else
+					dev_info(&urb->dev->dev,
+						 "urb %p may be in a error, "
+						 "status %d\n", urb, status);
+			}
+
+			list_del(&priv->list);
+			kfree(priv);
+			urb->hcpriv = NULL;
+
+			break;
+		}
+	}
+
+	spin_unlock(&vdev->priv_lock);
+
+	return urb;
+}
+
+static void vhci_recv_ret_submit(struct vhci_device *vdev,
+						struct usbip_header *pdu)
+{
+	struct usbip_device *ud = &vdev->ud;
+	struct urb *urb;
+
+
+	urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
+
+
+	if (!urb) {
+		uerr("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
+		uinfo("max seqnum %d\n", atomic_read(&the_controller->seqnum));
+		usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+		return;
+	}
+
+
+	/* unpack the pdu to a urb */
+	usbip_pack_pdu(pdu, urb, USBIP_RET_SUBMIT, 0);
+
+
+	/* recv transfer buffer */
+	if (usbip_recv_xbuff(ud, urb) < 0)
+		return;
+
+
+	/* recv iso_packet_descriptor */
+	if (usbip_recv_iso(ud, urb) < 0)
+		return;
+
+
+	if (dbg_flag_vhci_rx)
+		usbip_dump_urb(urb);
+
+
+	dbg_vhci_rx("now giveback urb %p\n", urb);
+
+	spin_lock(&the_controller->lock);
+	usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
+	spin_unlock(&the_controller->lock);
+
+	usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
+
+
+	dbg_vhci_rx("Leave\n");
+
+	return;
+}
+
+
+static struct vhci_unlink *dequeue_pending_unlink(struct vhci_device *vdev,
+		struct usbip_header *pdu)
+{
+	struct vhci_unlink *unlink, *tmp;
+
+	spin_lock(&vdev->priv_lock);
+
+	list_for_each_entry_safe(unlink, tmp, &vdev->unlink_rx, list) {
+		uinfo("unlink->seqnum %lu\n", unlink->seqnum);
+		if (unlink->seqnum == pdu->base.seqnum) {
+			dbg_vhci_rx("found pending unlink, %lu\n",
+							unlink->seqnum);
+			list_del(&unlink->list);
+
+			spin_unlock(&vdev->priv_lock);
+			return unlink;
+		}
+	}
+
+	spin_unlock(&vdev->priv_lock);
+
+	return NULL;
+}
+
+
+static void vhci_recv_ret_unlink(struct vhci_device *vdev,
+						struct usbip_header *pdu)
+{
+	struct vhci_unlink *unlink;
+	struct urb *urb;
+
+	usbip_dump_header(pdu);
+
+	unlink = dequeue_pending_unlink(vdev, pdu);
+	if (!unlink) {
+		uinfo("cannot find the pending unlink %u\n", pdu->base.seqnum);
+		return;
+	}
+
+	urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
+	if (!urb) {
+		/*
+		 * I get the result of a unlink request. But, it seems that I
+		 * already received the result of its submit result and gave
+		 * back the URB.
+		 */
+		uinfo("the urb (seqnum %d) was already given backed\n",
+							pdu->base.seqnum);
+	} else {
+		dbg_vhci_rx("now giveback urb %p\n", urb);
+
+		/* If unlink is succeed, status is -ECONNRESET */
+		urb->status = pdu->u.ret_unlink.status;
+		uinfo("%d\n", urb->status);
+
+		spin_lock(&the_controller->lock);
+		usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
+		spin_unlock(&the_controller->lock);
+
+		usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
+								urb->status);
+	}
+
+	kfree(unlink);
+
+	return;
+}
+
+/* recv a pdu */
+static void vhci_rx_pdu(struct usbip_device *ud)
+{
+	int ret;
+	struct usbip_header pdu;
+	struct vhci_device *vdev = container_of(ud, struct vhci_device, ud);
+
+
+	dbg_vhci_rx("Enter\n");
+
+	memset(&pdu, 0, sizeof(pdu));
+
+
+	/* 1. receive a pdu header */
+	ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0);
+	if (ret != sizeof(pdu)) {
+		uerr("receiving pdu failed! size is %d, should be %d\n",
+				ret, sizeof(pdu));
+		usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+		return;
+	}
+
+	usbip_header_correct_endian(&pdu, 0);
+
+	if (dbg_flag_vhci_rx)
+		usbip_dump_header(&pdu);
+
+	switch (pdu.base.command) {
+	case USBIP_RET_SUBMIT:
+		vhci_recv_ret_submit(vdev, &pdu);
+		break;
+	case USBIP_RET_UNLINK:
+		vhci_recv_ret_unlink(vdev, &pdu);
+		break;
+	default:
+		/* NOTREACHED */
+		uerr("unknown pdu %u\n", pdu.base.command);
+		usbip_dump_header(&pdu);
+		usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+	}
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+void vhci_rx_loop(struct usbip_task *ut)
+{
+	struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_rx);
+
+
+	while (1) {
+		if (signal_pending(current)) {
+			dbg_vhci_rx("signal catched!\n");
+			break;
+		}
+
+
+		if (usbip_event_happend(ud))
+			break;
+
+		vhci_rx_pdu(ud);
+	}
+}
+
diff --git a/drivers/staging/usbip/vhci_sysfs.c b/drivers/staging/usbip/vhci_sysfs.c
new file mode 100644
index 00000000000..24c2851a8f8
--- /dev/null
+++ b/drivers/staging/usbip/vhci_sysfs.c
@@ -0,0 +1,250 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "usbip_common.h"
+#include "vhci.h"
+
+#include <linux/in.h>
+
+/* TODO: refine locking ?*/
+
+/* Sysfs entry to show port status */
+static ssize_t show_status(struct device *dev, struct device_attribute *attr,
+			   char *out)
+{
+	char *s = out;
+	int i = 0;
+
+	if (!the_controller || !out)
+		BUG();
+
+	spin_lock(&the_controller->lock);
+
+	/*
+	 * output example:
+	 * prt sta spd dev socket           local_busid
+	 * 000 004 000 000         c5a7bb80 1-2.3
+	 * 001 004 000 000         d8cee980 2-3.4
+	 *
+	 * IP address can be retrieved from a socket pointer address by looking
+	 * up /proc/net/{tcp,tcp6}. Also, a userland program may remember a
+	 * port number and its peer IP address.
+	 */
+	out += sprintf(out, "prt sta spd bus dev socket           "
+		       "local_busid\n");
+
+	for (i = 0; i < VHCI_NPORTS; i++) {
+		struct vhci_device *vdev = port_to_vdev(i);
+
+		spin_lock(&vdev->ud.lock);
+
+		out += sprintf(out, "%03u %03u ", i, vdev->ud.status);
+
+		if (vdev->ud.status == VDEV_ST_USED) {
+			out += sprintf(out, "%03u %08x ",
+					vdev->speed, vdev->devid);
+			out += sprintf(out, "%16p ", vdev->ud.tcp_socket);
+			out += sprintf(out, "%s", vdev->udev->dev.bus_id);
+
+		} else
+			out += sprintf(out, "000 000 000 0000000000000000 0-0");
+
+		out += sprintf(out, "\n");
+
+		spin_unlock(&vdev->ud.lock);
+	}
+
+	spin_unlock(&the_controller->lock);
+
+	return out - s;
+}
+static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
+
+/* Sysfs entry to shutdown a virtual connection */
+static int vhci_port_disconnect(__u32 rhport)
+{
+	struct vhci_device *vdev;
+
+	dbg_vhci_sysfs("enter\n");
+
+	/* lock */
+	spin_lock(&the_controller->lock);
+
+	vdev = port_to_vdev(rhport);
+
+	spin_lock(&vdev->ud.lock);
+	if (vdev->ud.status == VDEV_ST_NULL) {
+		uerr("not connected %d\n", vdev->ud.status);
+
+		/* unlock */
+		spin_unlock(&vdev->ud.lock);
+		spin_unlock(&the_controller->lock);
+
+		return -EINVAL;
+	}
+
+	/* unlock */
+	spin_unlock(&vdev->ud.lock);
+	spin_unlock(&the_controller->lock);
+
+	usbip_event_add(&vdev->ud, VDEV_EVENT_DOWN);
+
+	return 0;
+}
+
+static ssize_t store_detach(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	int err;
+	__u32 rhport = 0;
+
+	sscanf(buf, "%u", &rhport);
+
+	/* check rhport */
+	if (rhport >= VHCI_NPORTS) {
+		uerr("invalid port %u\n", rhport);
+		return -EINVAL;
+	}
+
+	err = vhci_port_disconnect(rhport);
+	if (err < 0)
+		return -EINVAL;
+
+	dbg_vhci_sysfs("Leave\n");
+	return count;
+}
+static DEVICE_ATTR(detach, S_IWUSR, NULL, store_detach);
+
+/* Sysfs entry to establish a virtual connection */
+static int valid_args(__u32 rhport, enum usb_device_speed speed)
+{
+	/* check rhport */
+	if ((rhport < 0) || (rhport >= VHCI_NPORTS)) {
+		uerr("port %u\n", rhport);
+		return -EINVAL;
+	}
+
+	/* check speed */
+	switch (speed) {
+	case USB_SPEED_LOW:
+	case USB_SPEED_FULL:
+	case USB_SPEED_HIGH:
+	case USB_SPEED_VARIABLE:
+		break;
+	default:
+		uerr("speed %d\n", speed);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*
+ * To start a new USB/IP attachment, a userland program needs to setup a TCP
+ * connection and then write its socket descriptor with remote device
+ * information into this sysfs file.
+ *
+ * A remote device is virtually attached to the root-hub port of @rhport with
+ * @speed. @devid is embedded into a request to specify the remote device in a
+ * server host.
+ *
+ * write() returns 0 on success, else negative errno.
+ */
+static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	struct vhci_device *vdev;
+	struct socket *socket;
+	int sockfd = 0;
+	__u32 rhport = 0, devid = 0, speed = 0;
+
+	/*
+	 * @rhport: port number of vhci_hcd
+	 * @sockfd: socket descriptor of an established TCP connection
+	 * @devid: unique device identifier in a remote host
+	 * @speed: usb device speed in a remote host
+	 */
+	sscanf(buf, "%u %u %u %u", &rhport, &sockfd, &devid, &speed);
+
+	dbg_vhci_sysfs("rhport(%u) sockfd(%u) devid(%u) speed(%u)\n",
+			rhport, sockfd, devid, speed);
+
+
+	/* check received parameters */
+	if (valid_args(rhport, speed) < 0)
+		return -EINVAL;
+
+	/* check sockfd */
+	socket = sockfd_to_socket(sockfd);
+	if (!socket)
+		return  -EINVAL;
+
+	/* now need lock until setting vdev status as used */
+
+	/* begin a lock */
+	spin_lock(&the_controller->lock);
+
+	vdev = port_to_vdev(rhport);
+
+	spin_lock(&vdev->ud.lock);
+
+	if (vdev->ud.status != VDEV_ST_NULL) {
+		/* end of the lock */
+		spin_unlock(&vdev->ud.lock);
+		spin_unlock(&the_controller->lock);
+
+		uerr("port %d already used\n", rhport);
+		return -EINVAL;
+	}
+
+	uinfo("rhport(%u) sockfd(%d) devid(%u) speed(%u)\n",
+			rhport, sockfd, devid, speed);
+
+	vdev->devid         = devid;
+	vdev->speed         = speed;
+	vdev->ud.tcp_socket = socket;
+	vdev->ud.status     = VDEV_ST_NOTASSIGNED;
+
+	spin_unlock(&vdev->ud.lock);
+	spin_unlock(&the_controller->lock);
+	/* end the lock */
+
+	/*
+	 * this function will sleep, so should be out of the lock. but, it's ok
+	 * because we already marked vdev as being used. really?
+	 */
+	usbip_start_threads(&vdev->ud);
+
+	rh_port_connect(rhport, speed);
+
+	return count;
+}
+static DEVICE_ATTR(attach, S_IWUSR, NULL, store_attach);
+
+static struct attribute *dev_attrs[] = {
+	&dev_attr_status.attr,
+	&dev_attr_detach.attr,
+	&dev_attr_attach.attr,
+	&dev_attr_usbip_debug.attr,
+	NULL,
+};
+
+struct attribute_group dev_attr_group = {
+	.attrs = dev_attrs,
+};
diff --git a/drivers/staging/usbip/vhci_tx.c b/drivers/staging/usbip/vhci_tx.c
new file mode 100644
index 00000000000..1f552a95f48
--- /dev/null
+++ b/drivers/staging/usbip/vhci_tx.c
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "usbip_common.h"
+#include "vhci.h"
+
+
+static void setup_cmd_submit_pdu(struct usbip_header *pdup,  struct urb *urb)
+{
+	struct vhci_priv *priv = ((struct vhci_priv *)urb->hcpriv);
+	struct vhci_device *vdev = priv->vdev;
+
+	dbg_vhci_tx("URB, local devnum %u, remote devid %u\n",
+				usb_pipedevice(urb->pipe), vdev->devid);
+
+	pdup->base.command = USBIP_CMD_SUBMIT;
+	pdup->base.seqnum  = priv->seqnum;
+	pdup->base.devid   = vdev->devid;
+	if (usb_pipein(urb->pipe))
+		pdup->base.direction = USBIP_DIR_IN;
+	else
+		pdup->base.direction = USBIP_DIR_OUT;
+	pdup->base.ep      = usb_pipeendpoint(urb->pipe);
+
+	usbip_pack_pdu(pdup, urb, USBIP_CMD_SUBMIT, 1);
+
+	if (urb->setup_packet)
+		memcpy(pdup->u.cmd_submit.setup, urb->setup_packet, 8);
+}
+
+static struct vhci_priv *dequeue_from_priv_tx(struct vhci_device *vdev)
+{
+	unsigned long flags;
+	struct vhci_priv *priv, *tmp;
+
+	spin_lock_irqsave(&vdev->priv_lock, flags);
+
+	list_for_each_entry_safe(priv, tmp, &vdev->priv_tx, list) {
+		list_move_tail(&priv->list, &vdev->priv_rx);
+		spin_unlock_irqrestore(&vdev->priv_lock, flags);
+		return priv;
+	}
+
+	spin_unlock_irqrestore(&vdev->priv_lock, flags);
+
+	return NULL;
+}
+
+
+
+static int vhci_send_cmd_submit(struct vhci_device *vdev)
+{
+	struct vhci_priv *priv = NULL;
+
+	struct msghdr msg;
+	struct kvec iov[3];
+	size_t txsize;
+
+	size_t total_size = 0;
+
+	while ((priv = dequeue_from_priv_tx(vdev)) != NULL) {
+		int ret;
+		struct urb *urb = priv->urb;
+		struct usbip_header pdu_header;
+		void *iso_buffer = NULL;
+
+		txsize = 0;
+		memset(&pdu_header, 0, sizeof(pdu_header));
+		memset(&msg, 0, sizeof(msg));
+		memset(&iov, 0, sizeof(iov));
+
+		dbg_vhci_tx("setup txdata urb %p\n", urb);
+
+
+		/* 1. setup usbip_header */
+		setup_cmd_submit_pdu(&pdu_header, urb);
+		usbip_header_correct_endian(&pdu_header, 1);
+
+		iov[0].iov_base = &pdu_header;
+		iov[0].iov_len  = sizeof(pdu_header);
+		txsize += sizeof(pdu_header);
+
+		/* 2. setup transfer buffer */
+		if (!usb_pipein(urb->pipe) && urb->transfer_buffer_length > 0) {
+			iov[1].iov_base = urb->transfer_buffer;
+			iov[1].iov_len  = urb->transfer_buffer_length;
+			txsize += urb->transfer_buffer_length;
+		}
+
+		/* 3. setup iso_packet_descriptor */
+		if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
+			ssize_t len = 0;
+
+			iso_buffer = usbip_alloc_iso_desc_pdu(urb, &len);
+			if (!iso_buffer) {
+				usbip_event_add(&vdev->ud,
+						SDEV_EVENT_ERROR_MALLOC);
+				return -1;
+			}
+
+			iov[2].iov_base = iso_buffer;
+			iov[2].iov_len  = len;
+			txsize += len;
+		}
+
+		ret = kernel_sendmsg(vdev->ud.tcp_socket, &msg, iov, 3, txsize);
+		if (ret != txsize) {
+			uerr("sendmsg failed!, retval %d for %zd\n", ret,
+								txsize);
+			kfree(iso_buffer);
+			usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_TCP);
+			return -1;
+		}
+
+		kfree(iso_buffer);
+		dbg_vhci_tx("send txdata\n");
+
+		total_size += txsize;
+	}
+
+	return total_size;
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+static struct vhci_unlink *dequeue_from_unlink_tx(struct vhci_device *vdev)
+{
+	unsigned long flags;
+	struct vhci_unlink *unlink, *tmp;
+
+	spin_lock_irqsave(&vdev->priv_lock, flags);
+
+	list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
+		list_move_tail(&unlink->list, &vdev->unlink_rx);
+		spin_unlock_irqrestore(&vdev->priv_lock, flags);
+		return unlink;
+	}
+
+	spin_unlock_irqrestore(&vdev->priv_lock, flags);
+
+	return NULL;
+}
+
+static int vhci_send_cmd_unlink(struct vhci_device *vdev)
+{
+	struct vhci_unlink *unlink = NULL;
+
+	struct msghdr msg;
+	struct kvec iov[3];
+	size_t txsize;
+
+	size_t total_size = 0;
+
+	while ((unlink = dequeue_from_unlink_tx(vdev)) != NULL) {
+		int ret;
+		struct usbip_header pdu_header;
+
+		txsize = 0;
+		memset(&pdu_header, 0, sizeof(pdu_header));
+		memset(&msg, 0, sizeof(msg));
+		memset(&iov, 0, sizeof(iov));
+
+		dbg_vhci_tx("setup cmd unlink, %lu \n", unlink->seqnum);
+
+
+		/* 1. setup usbip_header */
+		pdu_header.base.command = USBIP_CMD_UNLINK;
+		pdu_header.base.seqnum  = unlink->seqnum;
+		pdu_header.base.devid	= vdev->devid;
+		pdu_header.base.ep	= 0;
+		pdu_header.u.cmd_unlink.seqnum = unlink->unlink_seqnum;
+
+		usbip_header_correct_endian(&pdu_header, 1);
+
+		iov[0].iov_base = &pdu_header;
+		iov[0].iov_len  = sizeof(pdu_header);
+		txsize += sizeof(pdu_header);
+
+		ret = kernel_sendmsg(vdev->ud.tcp_socket, &msg, iov, 1, txsize);
+		if (ret != txsize) {
+			uerr("sendmsg failed!, retval %d for %zd\n", ret,
+								txsize);
+			usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_TCP);
+			return -1;
+		}
+
+
+		dbg_vhci_tx("send txdata\n");
+
+		total_size += txsize;
+	}
+
+	return total_size;
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+void vhci_tx_loop(struct usbip_task *ut)
+{
+	struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_tx);
+	struct vhci_device *vdev = container_of(ud, struct vhci_device, ud);
+
+	while (1) {
+		if (signal_pending(current)) {
+			uinfo("vhci_tx signal catched\n");
+			break;
+		}
+
+		if (vhci_send_cmd_submit(vdev) < 0)
+			break;
+
+		if (vhci_send_cmd_unlink(vdev) < 0)
+			break;
+
+		wait_event_interruptible(vdev->waitq_tx,
+				(!list_empty(&vdev->priv_tx) ||
+				 !list_empty(&vdev->unlink_tx)));
+
+		dbg_vhci_tx("pending urbs ?, now wake up\n");
+	}
+}
-- 
GitLab


From 4d7b5c7f8ad49b7f01fb8aed83c560ac43cfbda8 Mon Sep 17 00:00:00 2001
From: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Date: Wed, 9 Jul 2008 14:56:51 -0600
Subject: [PATCH 0346/2224] Staging: USB/IP: add host driver

This adds the USB IP client driver

Brian Merrell cleaned up a lot of this code and submitted it for
inclusion.  Greg also did a lot of cleanup.

Signed-off-by: Brian G. Merrell <bgmerrell@novell.com>
Cc: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/Kconfig     |  11 +
 drivers/staging/usbip/Makefile    |   3 +
 drivers/staging/usbip/stub.h      |  95 +++++
 drivers/staging/usbip/stub_dev.c  | 483 +++++++++++++++++++++++
 drivers/staging/usbip/stub_main.c | 300 +++++++++++++++
 drivers/staging/usbip/stub_rx.c   | 615 ++++++++++++++++++++++++++++++
 drivers/staging/usbip/stub_tx.c   | 371 ++++++++++++++++++
 7 files changed, 1878 insertions(+)
 create mode 100644 drivers/staging/usbip/stub.h
 create mode 100644 drivers/staging/usbip/stub_dev.c
 create mode 100644 drivers/staging/usbip/stub_main.c
 create mode 100644 drivers/staging/usbip/stub_rx.c
 create mode 100644 drivers/staging/usbip/stub_tx.c

diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig
index c4d68e1581f..7426235ccc4 100644
--- a/drivers/staging/usbip/Kconfig
+++ b/drivers/staging/usbip/Kconfig
@@ -23,3 +23,14 @@ config USB_IP_VHCI_HCD
 
 	 To compile this driver as a module, choose M here: the
 	 module will be called vhci_hcd.
+
+config USB_IP_HOST
+	tristate "USB IP host driver"
+	depends on USB_IP_COMMON
+	default N
+	---help---
+	 This enables the USB IP device driver which will run on the
+	 host machine.
+
+	 To compile this driver as a module, choose M here: the
+	 module will be called usbip.
diff --git a/drivers/staging/usbip/Makefile b/drivers/staging/usbip/Makefile
index 6ef4c3913f4..179f4211f96 100644
--- a/drivers/staging/usbip/Makefile
+++ b/drivers/staging/usbip/Makefile
@@ -4,6 +4,9 @@ usbip_common_mod-objs := usbip_common.o usbip_event.o
 obj-$(CONFIG_USB_IP_VHCI_HCD) += vhci-hcd.o
 vhci-hcd-objs := vhci_sysfs.o vhci_tx.o vhci_rx.o vhci_hcd.o
 
+obj-$(CONFIG_USB_IP_HOST) += usbip.o
+usbip-objs := stub_dev.o stub_main.o stub_rx.o stub_tx.o
+
 ifeq ($(CONFIG_USB_DEBUG),y)
 	EXTRA_CFLAGS += -DDEBUG
 endif
diff --git a/drivers/staging/usbip/stub.h b/drivers/staging/usbip/stub.h
new file mode 100644
index 00000000000..f541a3a83bd
--- /dev/null
+++ b/drivers/staging/usbip/stub.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/module.h>
+#include <linux/net.h>
+
+struct stub_device {
+	struct usb_interface *interface;
+	struct list_head list;
+
+	struct usbip_device ud;
+	__u32 devid;
+
+	/*
+	 * stub_priv preserves private data of each urb.
+	 * It is allocated as stub_priv_cache and assigned to urb->context.
+	 *
+	 * stub_priv is always linked to any one of 3 lists;
+	 *	priv_init: linked to this until the comletion of a urb.
+	 *	priv_tx  : linked to this after the completion of a urb.
+	 *	priv_free: linked to this after the sending of the result.
+	 *
+	 * Any of these list operations should be locked by priv_lock.
+	 */
+	spinlock_t priv_lock;
+	struct list_head priv_init;
+	struct list_head priv_tx;
+	struct list_head priv_free;
+
+	/* see comments for unlinking in stub_rx.c */
+	struct list_head unlink_tx;
+	struct list_head unlink_free;
+
+
+	wait_queue_head_t tx_waitq;
+};
+
+/* private data into urb->priv */
+struct stub_priv {
+	unsigned long seqnum;
+	struct list_head list;
+	struct stub_device *sdev;
+	struct urb *urb;
+
+	int unlinking;
+};
+
+struct stub_unlink {
+	unsigned long seqnum;
+	struct list_head list;
+	__u32 status;
+};
+
+
+extern struct kmem_cache *stub_priv_cache;
+
+
+/*-------------------------------------------------------------------------*/
+/* prototype declarations */
+
+/* stub_tx.c */
+void stub_complete(struct urb *);
+void stub_tx_loop(struct usbip_task *);
+
+/* stub_dev.c */
+extern struct usb_driver stub_driver;
+
+/* stub_rx.c */
+void stub_rx_loop(struct usbip_task *);
+void stub_enqueue_ret_unlink(struct stub_device *, __u32, __u32);
+
+/* stub_main.c */
+int match_busid(char *busid);
+void stub_device_cleanup_urbs(struct stub_device *sdev);
diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c
new file mode 100644
index 00000000000..ee455a087ea
--- /dev/null
+++ b/drivers/staging/usbip/stub_dev.c
@@ -0,0 +1,483 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "usbip_common.h"
+#include "stub.h"
+
+
+
+static int stub_probe(struct usb_interface *interface,
+				const struct usb_device_id *id);
+static void stub_disconnect(struct usb_interface *interface);
+
+
+/*
+ * Define device IDs here if you want to explicitly limit exportable devices.
+ * In the most cases, wild card matching will be ok because driver binding can
+ * be changed dynamically by a userland program.
+ */
+static struct usb_device_id stub_table[] = {
+#if 0
+	/* just an example */
+	{ USB_DEVICE(0x05ac, 0x0301) },   /* Mac 1 button mouse */
+	{ USB_DEVICE(0x0430, 0x0009) },   /* Plat Home Keyboard */
+	{ USB_DEVICE(0x059b, 0x0001) },   /* Iomega USB Zip 100 */
+	{ USB_DEVICE(0x04b3, 0x4427) },   /* IBM USB CD-ROM */
+	{ USB_DEVICE(0x05a9, 0xa511) },   /* LifeView USB cam */
+	{ USB_DEVICE(0x55aa, 0x0201) },   /* Imation card reader */
+	{ USB_DEVICE(0x046d, 0x0870) },   /* Qcam Express(QV-30) */
+	{ USB_DEVICE(0x04bb, 0x0101) },   /* IO-DATA HD 120GB */
+	{ USB_DEVICE(0x04bb, 0x0904) },   /* IO-DATA USB-ET/TX */
+	{ USB_DEVICE(0x04bb, 0x0201) },   /* IO-DATA USB-ET/TX */
+	{ USB_DEVICE(0x08bb, 0x2702) },   /* ONKYO USB Speaker */
+	{ USB_DEVICE(0x046d, 0x08b2) },   /* Logicool Qcam 4000 Pro */
+#endif
+	/* magic for wild card */
+	{ .driver_info = 1 },
+	{ 0, }                                     /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, stub_table);
+
+struct usb_driver stub_driver = {
+	.name		= "usbip",
+	.probe		= stub_probe,
+	.disconnect	= stub_disconnect,
+	.id_table	= stub_table,
+};
+
+
+/*-------------------------------------------------------------------------*/
+
+/* Define sysfs entries for a usbip-bound device */
+
+
+/*
+ * usbip_status shows status of usbip as long as this driver is bound to the
+ * target device.
+ */
+static ssize_t show_status(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	struct stub_device *sdev = dev_get_drvdata(dev);
+	int status;
+
+	if (!sdev) {
+		dev_err(dev, "sdev is null\n");
+		return -ENODEV;
+	}
+
+	spin_lock(&sdev->ud.lock);
+	status = sdev->ud.status;
+	spin_unlock(&sdev->ud.lock);
+
+	return snprintf(buf, PAGE_SIZE, "%d\n", status);
+}
+static DEVICE_ATTR(usbip_status, S_IRUGO, show_status, NULL);
+
+/*
+ * usbip_sockfd gets a socket descriptor of an established TCP connection that
+ * is used to transfer usbip requests by kernel threads. -1 is a magic number
+ * by which usbip connection is finished.
+ */
+static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	struct stub_device *sdev = dev_get_drvdata(dev);
+	int sockfd = 0;
+	struct socket *socket;
+
+	if (!sdev) {
+		dev_err(dev, "sdev is null\n");
+		return -ENODEV;
+	}
+
+	sscanf(buf, "%d", &sockfd);
+
+	if (sockfd != -1) {
+		dev_info(dev, "stub up\n");
+
+		spin_lock(&sdev->ud.lock);
+
+		if (sdev->ud.status != SDEV_ST_AVAILABLE) {
+			dev_err(dev, "not ready\n");
+			spin_unlock(&sdev->ud.lock);
+			return -EINVAL;
+		}
+
+		socket = sockfd_to_socket(sockfd);
+		if (!socket) {
+			spin_unlock(&sdev->ud.lock);
+			return -EINVAL;
+		}
+
+#if 0
+		setnodelay(socket);
+		setkeepalive(socket);
+		setreuse(socket);
+#endif
+
+		sdev->ud.tcp_socket = socket;
+
+		spin_unlock(&sdev->ud.lock);
+
+		usbip_start_threads(&sdev->ud);
+
+		spin_lock(&sdev->ud.lock);
+		sdev->ud.status = SDEV_ST_USED;
+		spin_unlock(&sdev->ud.lock);
+
+	} else {
+		dev_info(dev, "stub down\n");
+
+		spin_lock(&sdev->ud.lock);
+		if (sdev->ud.status != SDEV_ST_USED) {
+			spin_unlock(&sdev->ud.lock);
+			return -EINVAL;
+		}
+		spin_unlock(&sdev->ud.lock);
+
+		usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);
+	}
+
+	return count;
+}
+static DEVICE_ATTR(usbip_sockfd, S_IWUSR, NULL, store_sockfd);
+
+static int stub_add_files(struct device *dev)
+{
+	int err = 0;
+
+	err = device_create_file(dev, &dev_attr_usbip_status);
+	if (err)
+		goto err_status;
+
+	err = device_create_file(dev, &dev_attr_usbip_sockfd);
+	if (err)
+		goto err_sockfd;
+
+	err = device_create_file(dev, &dev_attr_usbip_debug);
+	if (err)
+		goto err_debug;
+
+	return 0;
+
+err_debug:
+	device_remove_file(dev, &dev_attr_usbip_sockfd);
+
+err_sockfd:
+	device_remove_file(dev, &dev_attr_usbip_status);
+
+err_status:
+	return err;
+}
+
+static void stub_remove_files(struct device *dev)
+{
+	device_remove_file(dev, &dev_attr_usbip_status);
+	device_remove_file(dev, &dev_attr_usbip_sockfd);
+	device_remove_file(dev, &dev_attr_usbip_debug);
+}
+
+
+
+/*-------------------------------------------------------------------------*/
+
+/* Event handler functions called by an event handler thread */
+
+static void stub_shutdown_connection(struct usbip_device *ud)
+{
+	struct stub_device *sdev = container_of(ud, struct stub_device, ud);
+
+	/*
+	 * When removing an exported device, kernel panic sometimes occurred
+	 * and then EIP was sk_wait_data of stub_rx thread. Is this because
+	 * sk_wait_data returned though stub_rx thread was already finished by
+	 * step 1?
+	 */
+	if (ud->tcp_socket) {
+		udbg("shutdown tcp_socket %p\n", ud->tcp_socket);
+		kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);
+	}
+
+	/* 1. stop threads */
+	usbip_stop_threads(ud);
+
+	/* 2. close the socket */
+	/*
+	 * tcp_socket is freed after threads are killed.
+	 * So usbip_xmit do not touch NULL socket.
+	 */
+	if (ud->tcp_socket) {
+		sock_release(ud->tcp_socket);
+		ud->tcp_socket = NULL;
+	}
+
+	/* 3. free used data */
+	stub_device_cleanup_urbs(sdev);
+
+	/* 4. free stub_unlink */
+	{
+		unsigned long flags;
+		struct stub_unlink *unlink, *tmp;
+
+		spin_lock_irqsave(&sdev->priv_lock, flags);
+
+		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) {
+			list_del(&unlink->list);
+			kfree(unlink);
+		}
+
+		list_for_each_entry_safe(unlink, tmp,
+						 &sdev->unlink_free, list) {
+			list_del(&unlink->list);
+			kfree(unlink);
+		}
+
+		spin_unlock_irqrestore(&sdev->priv_lock, flags);
+	}
+}
+
+static void stub_device_reset(struct usbip_device *ud)
+{
+	struct stub_device *sdev = container_of(ud, struct stub_device, ud);
+	struct usb_device *udev = interface_to_usbdev(sdev->interface);
+	int ret;
+
+	udbg("device reset");
+	ret = usb_lock_device_for_reset(udev, sdev->interface);
+	if (ret < 0) {
+		dev_err(&udev->dev, "lock for reset\n");
+
+		spin_lock(&ud->lock);
+		ud->status = SDEV_ST_ERROR;
+		spin_unlock(&ud->lock);
+
+		return;
+	}
+
+	/* try to reset the device */
+	ret = usb_reset_device(udev);
+
+	usb_unlock_device(udev);
+
+	spin_lock(&ud->lock);
+	if (ret) {
+		dev_err(&udev->dev, "device reset\n");
+		ud->status = SDEV_ST_ERROR;
+
+	} else {
+		dev_info(&udev->dev, "device reset\n");
+		ud->status = SDEV_ST_AVAILABLE;
+
+	}
+	spin_unlock(&ud->lock);
+
+	return;
+}
+
+static void stub_device_unusable(struct usbip_device *ud)
+{
+	spin_lock(&ud->lock);
+	ud->status = SDEV_ST_ERROR;
+	spin_unlock(&ud->lock);
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+/**
+ * stub_device_alloc - allocate a new stub_device struct
+ * @interface: usb_interface of a new device
+ *
+ * Allocates and initializes a new stub_device struct.
+ */
+static struct stub_device *stub_device_alloc(struct usb_interface *interface)
+{
+	struct stub_device *sdev;
+	int busnum = interface_to_busnum(interface);
+	int devnum = interface_to_devnum(interface);
+
+	dev_dbg(&interface->dev, "allocating stub device");
+
+	/* yes, it's a new device */
+	sdev = kzalloc(sizeof(struct stub_device), GFP_KERNEL);
+	if (!sdev) {
+		dev_err(&interface->dev, "no memory for stub_device\n");
+		return NULL;
+	}
+
+	sdev->interface = interface;
+
+	/*
+	 * devid is defined with devnum when this driver is first allocated.
+	 * devnum may change later if a device is reset. However, devid never
+	 * changes during a usbip connection.
+	 */
+	sdev->devid     = (busnum << 16) | devnum;
+
+	usbip_task_init(&sdev->ud.tcp_rx, "stub_rx", stub_rx_loop);
+	usbip_task_init(&sdev->ud.tcp_tx, "stub_tx", stub_tx_loop);
+
+	sdev->ud.side = USBIP_STUB;
+	sdev->ud.status = SDEV_ST_AVAILABLE;
+	/* sdev->ud.lock = SPIN_LOCK_UNLOCKED; */
+	spin_lock_init(&sdev->ud.lock);
+	sdev->ud.tcp_socket = NULL;
+
+	INIT_LIST_HEAD(&sdev->priv_init);
+	INIT_LIST_HEAD(&sdev->priv_tx);
+	INIT_LIST_HEAD(&sdev->priv_free);
+	INIT_LIST_HEAD(&sdev->unlink_free);
+	INIT_LIST_HEAD(&sdev->unlink_tx);
+	/* sdev->priv_lock = SPIN_LOCK_UNLOCKED; */
+	spin_lock_init(&sdev->priv_lock);
+
+	init_waitqueue_head(&sdev->tx_waitq);
+
+	sdev->ud.eh_ops.shutdown = stub_shutdown_connection;
+	sdev->ud.eh_ops.reset    = stub_device_reset;
+	sdev->ud.eh_ops.unusable = stub_device_unusable;
+
+	usbip_start_eh(&sdev->ud);
+
+	udbg("register new interface\n");
+	return sdev;
+}
+
+static int stub_device_free(struct stub_device *sdev)
+{
+	if (!sdev)
+		return -EINVAL;
+
+	kfree(sdev);
+	udbg("kfree udev ok\n");
+
+	return 0;
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * If a usb device has multiple active interfaces, this driver is bound to all
+ * the active interfaces. However, usbip exports *a* usb device (i.e., not *an*
+ * active interface). Currently, a userland program must ensure that it
+ * looks at the usbip's sysfs entries of only the first active interface.
+ *
+ * TODO: use "struct usb_device_driver" to bind a usb device.
+ * However, it seems it is not fully supported in mainline kernel yet
+ * (2.6.19.2).
+ */
+static int stub_probe(struct usb_interface *interface,
+		      const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(interface);
+	struct stub_device *sdev = NULL;
+	char *udev_busid = interface->dev.parent->bus_id;
+	int err = 0;
+
+	dev_dbg(&interface->dev, "Enter\n");
+
+	/* check we should claim or not by busid_table */
+	if (match_busid(udev_busid)) {
+		dev_info(&interface->dev,
+			 "this device %s is not in match_busid table. skip!\n",
+			 udev_busid);
+
+		/*
+		 * Return value should be ENODEV or ENOXIO to continue trying
+		 * other matched drivers by the driver core.
+		 * See driver_probe_device() in driver/base/dd.c
+		 */
+		return -ENODEV;
+	}
+
+	if (udev->descriptor.bDeviceClass ==  USB_CLASS_HUB) {
+		udbg("this device %s is a usb hub device. skip!\n",
+								udev_busid);
+		return -ENODEV;
+	}
+
+	if (!strcmp(udev->bus->bus_name, "vhci_hcd")) {
+		udbg("this device %s is attached on vhci_hcd. skip!\n",
+								udev_busid);
+		return -ENODEV;
+	}
+
+	/* ok. this is my device. */
+	sdev = stub_device_alloc(interface);
+	if (!sdev)
+		return -ENOMEM;
+
+	dev_info(&interface->dev, "USB/IP Stub: register a new interface "
+		 "(bus %u dev %u ifn %u)\n", udev->bus->busnum, udev->devnum,
+		 interface->cur_altsetting->desc.bInterfaceNumber);
+
+	/* set private data to usb_interface */
+	usb_set_intfdata(interface, sdev);
+
+	err = stub_add_files(&interface->dev);
+	if (err) {
+		dev_err(&interface->dev, "create sysfs files for %s\n",
+			udev_busid);
+		return err;
+	}
+
+	return 0;
+}
+
+
+/*
+ * called in usb_disconnect() or usb_deregister()
+ * but only if actconfig(active configuration) exists
+ */
+static void stub_disconnect(struct usb_interface *interface)
+{
+	struct stub_device *sdev = usb_get_intfdata(interface);
+
+	udbg("Enter\n");
+
+	/* get stub_device */
+	if (!sdev) {
+		err(" could not get device from inteface data");
+		/* BUG(); */
+		return;
+	}
+
+	usb_set_intfdata(interface, NULL);
+
+
+	/*
+	 * NOTE:
+	 * rx/tx threads are invoked for each usb_device.
+	 */
+	stub_remove_files(&interface->dev);
+
+	/* 1. shutdown the current connection */
+	usbip_event_add(&sdev->ud, SDEV_EVENT_REMOVED);
+
+	/* 2. wait for the stop of the event handler */
+	usbip_stop_eh(&sdev->ud);
+
+	/* 3. free sdev */
+	stub_device_free(sdev);
+
+
+	udbg("bye\n");
+}
diff --git a/drivers/staging/usbip/stub_main.c b/drivers/staging/usbip/stub_main.c
new file mode 100644
index 00000000000..c665d7f1ca9
--- /dev/null
+++ b/drivers/staging/usbip/stub_main.c
@@ -0,0 +1,300 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+
+#include "usbip_common.h"
+#include "stub.h"
+
+/* Version Information */
+#define DRIVER_VERSION "1.0"
+#define DRIVER_AUTHOR "Takahiro Hirofuchi"
+#define DRIVER_DESC "Stub Driver for USB/IP"
+
+/* stub_priv is allocated from stub_priv_cache */
+struct kmem_cache *stub_priv_cache;
+
+/*-------------------------------------------------------------------------*/
+
+/* Define sysfs entries for the usbip driver */
+
+
+/*
+ * busid_tables defines matching busids that usbip can grab. A user can change
+ * dynamically what device is locally used and what device is exported to a
+ * remote host.
+ */
+#define MAX_BUSID 16
+static char busid_table[MAX_BUSID][BUS_ID_SIZE];
+static spinlock_t busid_table_lock;
+
+
+int match_busid(char *busid)
+{
+	int i;
+
+	spin_lock(&busid_table_lock);
+
+	for (i = 0; i < MAX_BUSID; i++)
+		if (busid_table[i][0])
+			if (!strncmp(busid_table[i], busid, BUS_ID_SIZE)) {
+				/* already registerd */
+				spin_unlock(&busid_table_lock);
+				return 0;
+			}
+
+	spin_unlock(&busid_table_lock);
+
+	return 1;
+}
+
+static ssize_t show_match_busid(struct device_driver *drv, char *buf)
+{
+	int i;
+	char *out = buf;
+
+	spin_lock(&busid_table_lock);
+
+	for (i = 0; i < MAX_BUSID; i++)
+		if (busid_table[i][0])
+			out += sprintf(out, "%s ", busid_table[i]);
+
+	spin_unlock(&busid_table_lock);
+
+	out += sprintf(out, "\n");
+
+	return out - buf;
+}
+
+static int add_match_busid(char *busid)
+{
+	int i;
+
+	if (!match_busid(busid))
+		return 0;
+
+	spin_lock(&busid_table_lock);
+
+	for (i = 0; i < MAX_BUSID; i++)
+		if (!busid_table[i][0]) {
+			strncpy(busid_table[i], busid, BUS_ID_SIZE);
+			spin_unlock(&busid_table_lock);
+			return 0;
+		}
+
+	spin_unlock(&busid_table_lock);
+
+	return -1;
+}
+
+static int del_match_busid(char *busid)
+{
+	int i;
+
+	spin_lock(&busid_table_lock);
+
+	for (i = 0; i < MAX_BUSID; i++)
+		if (!strncmp(busid_table[i], busid, BUS_ID_SIZE)) {
+			/* found */
+			memset(busid_table[i], 0, BUS_ID_SIZE);
+			spin_unlock(&busid_table_lock);
+			return 0;
+		}
+
+	spin_unlock(&busid_table_lock);
+
+	return -1;
+}
+
+static ssize_t store_match_busid(struct device_driver *dev, const char *buf,
+		size_t count)
+{
+	int len;
+	char busid[BUS_ID_SIZE];
+
+	if (count < 5)
+		return -EINVAL;
+
+	/* strnlen() does not include \0 */
+	len = strnlen(buf + 4, BUS_ID_SIZE);
+
+	/* busid needs to include \0 termination */
+	if (!(len < BUS_ID_SIZE))
+		return -EINVAL;
+
+	strncpy(busid, buf + 4, BUS_ID_SIZE);
+
+
+	if (!strncmp(buf, "add ", 4)) {
+		if (add_match_busid(busid) < 0)
+			return -ENOMEM;
+		else {
+			udbg("add busid %s\n", busid);
+			return count;
+		}
+	} else if (!strncmp(buf, "del ", 4)) {
+		if (del_match_busid(busid) < 0)
+			return -ENODEV;
+		else {
+			udbg("del busid %s\n", busid);
+			return count;
+		}
+	} else
+		return -EINVAL;
+}
+
+static DRIVER_ATTR(match_busid, S_IRUSR|S_IWUSR, show_match_busid,
+							store_match_busid);
+
+
+
+/*-------------------------------------------------------------------------*/
+
+/* Cleanup functions used to free private data */
+
+static struct stub_priv *stub_priv_pop_from_listhead(struct list_head *listhead)
+{
+	struct stub_priv *priv, *tmp;
+
+	list_for_each_entry_safe(priv, tmp, listhead, list) {
+		list_del(&priv->list);
+		return priv;
+	}
+
+	return NULL;
+}
+
+static struct stub_priv *stub_priv_pop(struct stub_device *sdev)
+{
+	unsigned long flags;
+	struct stub_priv *priv;
+
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	priv = stub_priv_pop_from_listhead(&sdev->priv_init);
+	if (priv) {
+		spin_unlock_irqrestore(&sdev->priv_lock, flags);
+		return priv;
+	}
+
+	priv = stub_priv_pop_from_listhead(&sdev->priv_tx);
+	if (priv) {
+		spin_unlock_irqrestore(&sdev->priv_lock, flags);
+		return priv;
+	}
+
+	priv = stub_priv_pop_from_listhead(&sdev->priv_free);
+	if (priv) {
+		spin_unlock_irqrestore(&sdev->priv_lock, flags);
+		return priv;
+	}
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+	return NULL;
+}
+
+void stub_device_cleanup_urbs(struct stub_device *sdev)
+{
+	struct stub_priv *priv;
+
+	udbg("free sdev %p\n", sdev);
+
+	while ((priv = stub_priv_pop(sdev))) {
+		struct urb *urb = priv->urb;
+
+		udbg("   free urb %p\n", urb);
+		usb_kill_urb(urb);
+
+		kmem_cache_free(stub_priv_cache, priv);
+
+		if (urb->transfer_buffer != NULL)
+			kfree(urb->transfer_buffer);
+
+		if (urb->setup_packet != NULL)
+			kfree(urb->setup_packet);
+
+		usb_free_urb(urb);
+	}
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+static int __init usb_stub_init(void)
+{
+	int ret;
+
+	stub_priv_cache = kmem_cache_create("stub_priv",
+					    sizeof(struct stub_priv), 0,
+					    SLAB_HWCACHE_ALIGN, NULL);
+
+	if (!stub_priv_cache) {
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": create stub_priv_cache error\n");
+		return -ENOMEM;
+	}
+
+	ret = usb_register(&stub_driver);
+	if (ret) {
+		printk(KERN_ERR KBUILD_MODNAME ": usb_register failed %d\n",
+		       ret);
+		goto error_usb_register;
+	}
+
+	printk(KERN_INFO KBUILD_MODNAME ":"
+	       DRIVER_DESC ":" DRIVER_VERSION "\n");
+
+	memset(busid_table, 0, sizeof(busid_table));
+	spin_lock_init(&busid_table_lock);
+
+	ret = driver_create_file(&stub_driver.drvwrap.driver,
+				 &driver_attr_match_busid);
+
+	if (ret) {
+		printk(KERN_ERR KBUILD_MODNAME ": create driver sysfs\n");
+		goto error_create_file;
+	}
+
+	return ret;
+error_create_file:
+	usb_deregister(&stub_driver);
+error_usb_register:
+	kmem_cache_destroy(stub_priv_cache);
+	return ret;
+}
+
+static void __exit usb_stub_exit(void)
+{
+	driver_remove_file(&stub_driver.drvwrap.driver,
+			   &driver_attr_match_busid);
+
+	/*
+	 * deregister() calls stub_disconnect() for all devices. Device
+	 * specific data is cleared in stub_disconnect().
+	 */
+	usb_deregister(&stub_driver);
+
+	kmem_cache_destroy(stub_priv_cache);
+}
+
+module_init(usb_stub_init);
+module_exit(usb_stub_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c
new file mode 100644
index 00000000000..36ce898fced
--- /dev/null
+++ b/drivers/staging/usbip/stub_rx.c
@@ -0,0 +1,615 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "usbip_common.h"
+#include "stub.h"
+#include "../../usb/core/hcd.h"
+
+
+static int is_clear_halt_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+
+	 return (req->bRequest == USB_REQ_CLEAR_FEATURE) &&
+		 (req->bRequestType == USB_RECIP_ENDPOINT) &&
+		 (req->wValue == USB_ENDPOINT_HALT);
+}
+
+static int is_set_interface_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+
+	return (req->bRequest == USB_REQ_SET_INTERFACE) &&
+		   (req->bRequestType == USB_RECIP_INTERFACE);
+}
+
+static int is_set_configuration_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+
+	return (req->bRequest == USB_REQ_SET_CONFIGURATION) &&
+		   (req->bRequestType == USB_RECIP_DEVICE);
+}
+
+static int is_reset_device_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+	__u16 value;
+	__u16 index;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+	value = le16_to_cpu(req->wValue);
+	index = le16_to_cpu(req->wIndex);
+
+	if ((req->bRequest == USB_REQ_SET_FEATURE) &&
+			(req->bRequestType == USB_RT_PORT) &&
+			(value = USB_PORT_FEAT_RESET)) {
+		dbg_stub_rx("reset_device_cmd, port %u\n", index);
+		return 1;
+	} else
+		return 0;
+}
+
+static int tweak_clear_halt_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+	int target_endp;
+	int target_dir;
+	int target_pipe;
+	int ret;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+
+	/*
+	 * The stalled endpoint is specified in the wIndex value. The endpoint
+	 * of the urb is the target of this clear_halt request (i.e., control
+	 * endpoint).
+	 */
+	target_endp = le16_to_cpu(req->wIndex) & 0x000f;
+
+	/* the stalled endpoint direction is IN or OUT?. USB_DIR_IN is 0x80.  */
+	target_dir = le16_to_cpu(req->wIndex) & 0x0080;
+
+	if (target_dir)
+		target_pipe = usb_rcvctrlpipe(urb->dev, target_endp);
+	else
+		target_pipe = usb_sndctrlpipe(urb->dev, target_endp);
+
+	ret = usb_clear_halt(urb->dev, target_pipe);
+	if (ret < 0)
+		uinfo("clear_halt error: devnum %d endp %d, %d\n",
+				urb->dev->devnum, target_endp, ret);
+	else
+		uinfo("clear_halt done: devnum %d endp %d\n",
+				urb->dev->devnum, target_endp);
+
+	return ret;
+}
+
+static int tweak_set_interface_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+	__u16 alternate;
+	__u16 interface;
+	int ret;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+	alternate = le16_to_cpu(req->wValue);
+	interface = le16_to_cpu(req->wIndex);
+
+	dbg_stub_rx("set_interface: inf %u alt %u\n", interface, alternate);
+
+	ret = usb_set_interface(urb->dev, interface, alternate);
+	if (ret < 0)
+		uinfo("set_interface error: inf %u alt %u, %d\n",
+				interface, alternate, ret);
+	else
+		uinfo("set_interface done: inf %u alt %u\n",
+							interface,
+							alternate);
+
+	return ret;
+}
+
+static int tweak_set_configuration_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+	__u16 config;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+	config = le16_to_cpu(req->wValue);
+
+	/*
+	 * I have never seen a multi-config device. Very rare.
+	 * For most devices, this will be called to choose a default
+	 * configuration only once in an initialization phase.
+	 *
+	 * set_configuration may change a device configuration and its device
+	 * drivers will be unbound and assigned for a new device configuration.
+	 * This means this usbip driver will be also unbound when called, then
+	 * eventually reassigned to the device as far as driver matching
+	 * condition is kept.
+	 *
+	 * Unfortunatelly, an existing usbip connection will be dropped
+	 * due to this driver unbinding. So, skip here.
+	 * A user may need to set a special configuration value before
+	 * exporting the device.
+	 */
+	uinfo("set_configuration (%d) to %s\n", config, urb->dev->dev.bus_id);
+	uinfo("but, skip!\n");
+
+	return 0;
+	/* return usb_driver_set_configuration(urb->dev, config); */
+}
+
+static int tweak_reset_device_cmd(struct urb *urb)
+{
+	struct usb_ctrlrequest *req;
+	__u16 value;
+	__u16 index;
+	int ret;
+
+	req = (struct usb_ctrlrequest *) urb->setup_packet;
+	value = le16_to_cpu(req->wValue);
+	index = le16_to_cpu(req->wIndex);
+
+	uinfo("reset_device (port %d) to %s\n", index, urb->dev->dev.bus_id);
+
+	/* all interfaces should be owned by usbip driver, so just reset it.  */
+	ret = usb_lock_device_for_reset(urb->dev, NULL);
+	if (ret < 0) {
+		dev_err(&urb->dev->dev, "lock for reset\n");
+		return ret;
+	}
+
+	/* try to reset the device */
+	ret = usb_reset_device(urb->dev);
+	if (ret < 0)
+		dev_err(&urb->dev->dev, "device reset\n");
+
+	usb_unlock_device(urb->dev);
+
+	return ret;
+}
+
+/*
+ * clear_halt, set_interface, and set_configuration require special tricks.
+ */
+static void tweak_special_requests(struct urb *urb)
+{
+	if (!urb || !urb->setup_packet)
+		return;
+
+	if (usb_pipetype(urb->pipe) != PIPE_CONTROL)
+		return;
+
+	if (is_clear_halt_cmd(urb))
+		/* tweak clear_halt */
+		 tweak_clear_halt_cmd(urb);
+
+	else if (is_set_interface_cmd(urb))
+		/* tweak set_interface */
+		tweak_set_interface_cmd(urb);
+
+	else if (is_set_configuration_cmd(urb))
+		/* tweak set_configuration */
+		tweak_set_configuration_cmd(urb);
+
+	else if (is_reset_device_cmd(urb))
+		tweak_reset_device_cmd(urb);
+	else
+		dbg_stub_rx("no need to tweak\n");
+}
+
+/*
+ * stub_recv_unlink() unlinks the URB by a call to usb_unlink_urb().
+ * By unlinking the urb asynchronously, stub_rx can continuously
+ * process coming urbs.  Even if the urb is unlinked, its completion
+ * handler will be called and stub_tx will send a return pdu.
+ *
+ * See also comments about unlinking strategy in vhci_hcd.c.
+ */
+static int stub_recv_cmd_unlink(struct stub_device *sdev,
+						struct usbip_header *pdu)
+{
+	struct list_head *listhead = &sdev->priv_init;
+	struct list_head *ptr;
+	unsigned long flags;
+
+	struct stub_priv *priv;
+
+
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	for (ptr = listhead->next; ptr != listhead; ptr = ptr->next) {
+		priv = list_entry(ptr, struct stub_priv, list);
+		if (priv->seqnum == pdu->u.cmd_unlink.seqnum) {
+			int ret;
+
+			dev_info(&priv->urb->dev->dev, "unlink urb %p\n",
+				 priv->urb);
+
+			/*
+			 * This matched urb is not completed yet (i.e., be in
+			 * flight in usb hcd hardware/driver). Now we are
+			 * cancelling it. The unlinking flag means that we are
+			 * now not going to return the normal result pdu of a
+			 * submission request, but going to return a result pdu
+			 * of the unlink request.
+			 */
+			priv->unlinking = 1;
+
+			/*
+			 * In the case that unlinking flag is on, prev->seqnum
+			 * is changed from the seqnum of the cancelling urb to
+			 * the seqnum of the unlink request. This will be used
+			 * to make the result pdu of the unlink request.
+			 */
+			priv->seqnum = pdu->base.seqnum;
+
+			spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+			/*
+			 * usb_unlink_urb() is now out of spinlocking to avoid
+			 * spinlock recursion since stub_complete() is
+			 * sometimes called in this context but not in the
+			 * interrupt context.  If stub_complete() is executed
+			 * before we call usb_unlink_urb(), usb_unlink_urb()
+			 * will return an error value. In this case, stub_tx
+			 * will return the result pdu of this unlink request
+			 * though submission is completed and actual unlinking
+			 * is not executed. OK?
+			 */
+			/* In the above case, urb->status is not -ECONNRESET,
+			 * so a driver in a client host will know the failure
+			 * of the unlink request ?
+			 */
+			ret = usb_unlink_urb(priv->urb);
+			if (ret != -EINPROGRESS)
+				dev_err(&priv->urb->dev->dev,
+					"failed to unlink a urb %p, ret %d\n",
+					priv->urb, ret);
+			return 0;
+		}
+	}
+
+	dbg_stub_rx("seqnum %d is not pending\n", pdu->u.cmd_unlink.seqnum);
+
+	/*
+	 * The urb of the unlink target is not found in priv_init queue. It was
+	 * already completed and its results is/was going to be sent by a
+	 * CMD_RET pdu. In this case, usb_unlink_urb() is not needed. We only
+	 * return the completeness of this unlink request to vhci_hcd.
+	 */
+	stub_enqueue_ret_unlink(sdev, pdu->base.seqnum, 0);
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+
+	return 0;
+}
+
+static int valid_request(struct stub_device *sdev, struct usbip_header *pdu)
+{
+	struct usbip_device *ud = &sdev->ud;
+
+	if (pdu->base.devid == sdev->devid) {
+		spin_lock(&ud->lock);
+		if (ud->status == SDEV_ST_USED) {
+			/* A request is valid. */
+			spin_unlock(&ud->lock);
+			return 1;
+		}
+		spin_unlock(&ud->lock);
+	}
+
+	return 0;
+}
+
+static struct stub_priv *stub_priv_alloc(struct stub_device *sdev,
+					 struct usbip_header *pdu)
+{
+	struct stub_priv *priv;
+	struct usbip_device *ud = &sdev->ud;
+	unsigned long flags;
+
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	priv = kmem_cache_alloc(stub_priv_cache, GFP_ATOMIC);
+	if (!priv) {
+		dev_err(&sdev->interface->dev, "alloc stub_priv\n");
+		spin_unlock_irqrestore(&sdev->priv_lock, flags);
+		usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
+		return NULL;
+	}
+
+	memset(priv, 0, sizeof(struct stub_priv));
+
+	priv->seqnum = pdu->base.seqnum;
+	priv->sdev = sdev;
+
+	/*
+	 * After a stub_priv is linked to a list_head,
+	 * our error handler can free allocated data.
+	 */
+	list_add_tail(&priv->list, &sdev->priv_init);
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+	return priv;
+}
+
+
+static struct usb_host_endpoint *get_ep_from_epnum(struct usb_device *udev,
+		int epnum0)
+{
+	struct usb_host_config *config;
+	int i = 0, j = 0;
+	struct usb_host_endpoint *ep = NULL;
+	int epnum;
+	int found = 0;
+
+	if (epnum0 == 0)
+		return &udev->ep0;
+
+	config = udev->actconfig;
+	if (!config)
+		return NULL;
+
+	for (i = 0; i < config->desc.bNumInterfaces; i++) {
+		struct usb_host_interface *setting;
+
+		setting = config->interface[i]->cur_altsetting;
+
+		for (j = 0; j < setting->desc.bNumEndpoints; j++) {
+			ep = &setting->endpoint[j];
+			epnum = (ep->desc.bEndpointAddress & 0x7f);
+
+			if (epnum == epnum0) {
+				/* uinfo("found epnum %d\n", epnum0); */
+				found = 1;
+				break;
+			}
+		}
+	}
+
+	if (found)
+		return ep;
+	else
+		return NULL;
+}
+
+
+static int get_pipe(struct stub_device *sdev, int epnum, int dir)
+{
+	struct usb_device *udev = interface_to_usbdev(sdev->interface);
+	struct usb_host_endpoint *ep;
+	struct usb_endpoint_descriptor *epd = NULL;
+
+	ep = get_ep_from_epnum(udev, epnum);
+	if (!ep) {
+		dev_err(&sdev->interface->dev, "no such endpoint?, %d\n",
+			epnum);
+		BUG();
+	}
+
+	epd = &ep->desc;
+
+
+#if 0
+	/* epnum 0 is always control */
+	if (epnum == 0) {
+		if (dir == USBIP_DIR_OUT)
+			return usb_sndctrlpipe(udev, 0);
+		else
+			return usb_rcvctrlpipe(udev, 0);
+	}
+#endif
+
+	if (usb_endpoint_xfer_control(epd)) {
+		if (dir == USBIP_DIR_OUT)
+			return usb_sndctrlpipe(udev, epnum);
+		else
+			return usb_rcvctrlpipe(udev, epnum);
+	}
+
+	if (usb_endpoint_xfer_bulk(epd)) {
+		if (dir == USBIP_DIR_OUT)
+			return usb_sndbulkpipe(udev, epnum);
+		else
+			return usb_rcvbulkpipe(udev, epnum);
+	}
+
+	if (usb_endpoint_xfer_int(epd)) {
+		if (dir == USBIP_DIR_OUT)
+			return usb_sndintpipe(udev, epnum);
+		else
+			return usb_rcvintpipe(udev, epnum);
+	}
+
+	if (usb_endpoint_xfer_isoc(epd)) {
+		if (dir == USBIP_DIR_OUT)
+			return usb_sndisocpipe(udev, epnum);
+		else
+			return usb_rcvisocpipe(udev, epnum);
+	}
+
+	/* NOT REACHED */
+	dev_err(&sdev->interface->dev, "get pipe, epnum %d\n", epnum);
+	return 0;
+}
+
+static void stub_recv_cmd_submit(struct stub_device *sdev,
+				 struct usbip_header *pdu)
+{
+	int ret;
+	struct stub_priv *priv;
+	struct usbip_device *ud = &sdev->ud;
+	struct usb_device *udev = interface_to_usbdev(sdev->interface);
+	int pipe = get_pipe(sdev, pdu->base.ep, pdu->base.direction);
+
+
+	priv = stub_priv_alloc(sdev, pdu);
+	if (!priv)
+		return;
+
+	/* setup a urb */
+	if (usb_pipeisoc(pipe))
+		priv->urb = usb_alloc_urb(pdu->u.cmd_submit.number_of_packets,
+								GFP_KERNEL);
+	else
+		priv->urb = usb_alloc_urb(0, GFP_KERNEL);
+
+	if (!priv->urb) {
+		dev_err(&sdev->interface->dev, "malloc urb\n");
+		usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
+		return;
+	}
+
+	/* set priv->urb->transfer_buffer */
+	if (pdu->u.cmd_submit.transfer_buffer_length > 0) {
+		priv->urb->transfer_buffer =
+			kzalloc(pdu->u.cmd_submit.transfer_buffer_length,
+								GFP_KERNEL);
+		if (!priv->urb->transfer_buffer) {
+			dev_err(&sdev->interface->dev, "malloc x_buff\n");
+			usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
+			return;
+		}
+	}
+
+	/* set priv->urb->setup_packet */
+	priv->urb->setup_packet = kzalloc(8, GFP_KERNEL);
+	if (!priv->urb->setup_packet) {
+		dev_err(&sdev->interface->dev, "allocate setup_packet\n");
+		usbip_event_add(ud, SDEV_EVENT_ERROR_MALLOC);
+		return;
+	}
+	memcpy(priv->urb->setup_packet, &pdu->u.cmd_submit.setup, 8);
+
+	/* set other members from the base header of pdu */
+	priv->urb->context                = (void *) priv;
+	priv->urb->dev                    = udev;
+	priv->urb->pipe                   = pipe;
+	priv->urb->complete               = stub_complete;
+
+	usbip_pack_pdu(pdu, priv->urb, USBIP_CMD_SUBMIT, 0);
+
+
+	if (usbip_recv_xbuff(ud, priv->urb) < 0)
+		return;
+
+	if (usbip_recv_iso(ud, priv->urb) < 0)
+		return;
+
+	/* no need to submit an intercepted request, but harmless? */
+	tweak_special_requests(priv->urb);
+
+	/* urb is now ready to submit */
+	ret = usb_submit_urb(priv->urb, GFP_KERNEL);
+
+	if (ret == 0)
+		dbg_stub_rx("submit urb ok, seqnum %u\n", pdu->base.seqnum);
+	else {
+		dev_err(&sdev->interface->dev, "submit_urb error, %d\n", ret);
+		usbip_dump_header(pdu);
+		usbip_dump_urb(priv->urb);
+
+		/*
+		 * Pessimistic.
+		 * This connection will be discarded.
+		 */
+		usbip_event_add(ud, SDEV_EVENT_ERROR_SUBMIT);
+	}
+
+	dbg_stub_rx("Leave\n");
+	return;
+}
+
+/* recv a pdu */
+static void stub_rx_pdu(struct usbip_device *ud)
+{
+	int ret;
+	struct usbip_header pdu;
+	struct stub_device *sdev = container_of(ud, struct stub_device, ud);
+	struct device *dev = &sdev->interface->dev;
+
+	dbg_stub_rx("Enter\n");
+
+	memset(&pdu, 0, sizeof(pdu));
+
+	/* 1. receive a pdu header */
+	ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0);
+	if (ret != sizeof(pdu)) {
+		dev_err(dev, "recv a header, %d\n", ret);
+		usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
+		return;
+	}
+
+	usbip_header_correct_endian(&pdu, 0);
+
+	if (dbg_flag_stub_rx)
+		usbip_dump_header(&pdu);
+
+	if (!valid_request(sdev, &pdu)) {
+		dev_err(dev, "recv invalid request\n");
+		usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
+		return;
+	}
+
+	switch (pdu.base.command) {
+	case USBIP_CMD_UNLINK:
+		stub_recv_cmd_unlink(sdev, &pdu);
+		break;
+
+	case USBIP_CMD_SUBMIT:
+		stub_recv_cmd_submit(sdev, &pdu);
+		break;
+
+	default:
+		/* NOTREACHED */
+		dev_err(dev, "unknown pdu\n");
+		usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
+		return;
+	}
+
+}
+
+void stub_rx_loop(struct usbip_task *ut)
+{
+	struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_rx);
+
+	while (1) {
+		if (signal_pending(current)) {
+			dbg_stub_rx("signal caught!\n");
+			break;
+		}
+
+		if (usbip_event_happend(ud))
+			break;
+
+		stub_rx_pdu(ud);
+	}
+}
diff --git a/drivers/staging/usbip/stub_tx.c b/drivers/staging/usbip/stub_tx.c
new file mode 100644
index 00000000000..d5563cd980b
--- /dev/null
+++ b/drivers/staging/usbip/stub_tx.c
@@ -0,0 +1,371 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "usbip_common.h"
+#include "stub.h"
+
+
+static void stub_free_priv_and_urb(struct stub_priv *priv)
+{
+	struct urb *urb = priv->urb;
+
+	kfree(urb->setup_packet);
+	kfree(urb->transfer_buffer);
+	list_del(&priv->list);
+	kmem_cache_free(stub_priv_cache, priv);
+	usb_free_urb(urb);
+}
+
+/* be in spin_lock_irqsave(&sdev->priv_lock, flags) */
+void stub_enqueue_ret_unlink(struct stub_device *sdev, __u32 seqnum,
+			     __u32 status)
+{
+	struct stub_unlink *unlink;
+
+	unlink = kzalloc(sizeof(struct stub_unlink), GFP_ATOMIC);
+	if (!unlink) {
+		dev_err(&sdev->interface->dev, "alloc stub_unlink\n");
+		usbip_event_add(&sdev->ud, VDEV_EVENT_ERROR_MALLOC);
+		return;
+	}
+
+	unlink->seqnum = seqnum;
+	unlink->status = status;
+
+	list_add_tail(&unlink->list, &sdev->unlink_tx);
+}
+
+/**
+ * stub_complete - completion handler of a usbip urb
+ * @urb: pointer to the urb completed
+ * @regs:
+ *
+ * When a urb has completed, the USB core driver calls this function mostly in
+ * the interrupt context. To return the result of a urb, the completed urb is
+ * linked to the pending list of returning.
+ *
+ */
+void stub_complete(struct urb *urb)
+{
+	struct stub_priv *priv = (struct stub_priv *) urb->context;
+	struct stub_device *sdev = priv->sdev;
+	unsigned long flags;
+
+	dbg_stub_tx("complete! status %d\n", urb->status);
+
+
+	switch (urb->status) {
+	case 0:
+		/* OK */
+		break;
+	case -ENOENT:
+		uinfo("stopped by a call of usb_kill_urb() because of"
+					"cleaning up a virtual connection\n");
+		return;
+	case -ECONNRESET:
+		uinfo("unlinked by a call of usb_unlink_urb()\n");
+		break;
+	case -EPIPE:
+		uinfo("endpoint %d is stalled\n", usb_pipeendpoint(urb->pipe));
+		break;
+	case -ESHUTDOWN:
+		uinfo("device removed?\n");
+		break;
+	default:
+		uinfo("urb completion with non-zero status %d\n", urb->status);
+	}
+
+	/* link a urb to the queue of tx. */
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	if (priv->unlinking) {
+		stub_enqueue_ret_unlink(sdev, priv->seqnum, urb->status);
+		stub_free_priv_and_urb(priv);
+	} else
+		list_move_tail(&priv->list, &sdev->priv_tx);
+
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+	/* wake up tx_thread */
+	wake_up(&sdev->tx_waitq);
+}
+
+
+/*-------------------------------------------------------------------------*/
+/* fill PDU */
+
+static inline void setup_base_pdu(struct usbip_header_basic *base,
+		__u32 command, __u32 seqnum)
+{
+	base->command = command;
+	base->seqnum  = seqnum;
+	base->devid   = 0;
+	base->ep      = 0;
+	base->direction   = 0;
+}
+
+static void setup_ret_submit_pdu(struct usbip_header *rpdu, struct urb *urb)
+{
+	struct stub_priv *priv = (struct stub_priv *) urb->context;
+
+	setup_base_pdu(&rpdu->base, USBIP_RET_SUBMIT, priv->seqnum);
+
+	usbip_pack_pdu(rpdu, urb, USBIP_RET_SUBMIT, 1);
+}
+
+static void setup_ret_unlink_pdu(struct usbip_header *rpdu,
+		struct stub_unlink *unlink)
+{
+	setup_base_pdu(&rpdu->base, USBIP_RET_UNLINK, unlink->seqnum);
+
+	rpdu->u.ret_unlink.status = unlink->status;
+}
+
+
+/*-------------------------------------------------------------------------*/
+/* send RET_SUBMIT */
+
+static struct stub_priv *dequeue_from_priv_tx(struct stub_device *sdev)
+{
+	unsigned long flags;
+	struct stub_priv *priv, *tmp;
+
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	list_for_each_entry_safe(priv, tmp, &sdev->priv_tx, list) {
+		list_move_tail(&priv->list, &sdev->priv_free);
+		spin_unlock_irqrestore(&sdev->priv_lock, flags);
+		return priv;
+	}
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+	return NULL;
+}
+
+static int stub_send_ret_submit(struct stub_device *sdev)
+{
+	unsigned long flags;
+	struct stub_priv *priv, *tmp;
+
+	struct msghdr msg;
+	struct kvec iov[3];
+	size_t txsize;
+
+	size_t total_size = 0;
+
+	while ((priv = dequeue_from_priv_tx(sdev)) != NULL) {
+		int ret;
+		struct urb *urb = priv->urb;
+		struct usbip_header pdu_header;
+		void *iso_buffer = NULL;
+
+		txsize = 0;
+		memset(&pdu_header, 0, sizeof(pdu_header));
+		memset(&msg, 0, sizeof(msg));
+		memset(&iov, 0, sizeof(iov));
+
+		dbg_stub_tx("setup txdata urb %p\n", urb);
+
+
+		/* 1. setup usbip_header */
+		setup_ret_submit_pdu(&pdu_header, urb);
+		usbip_header_correct_endian(&pdu_header, 1);
+
+		iov[0].iov_base = &pdu_header;
+		iov[0].iov_len  = sizeof(pdu_header);
+		txsize += sizeof(pdu_header);
+
+		/* 2. setup transfer buffer */
+		if (usb_pipein(urb->pipe) && urb->actual_length > 0) {
+			iov[1].iov_base = urb->transfer_buffer;
+			iov[1].iov_len  = urb->actual_length;
+			txsize += urb->actual_length;
+		}
+
+		/* 3. setup iso_packet_descriptor */
+		if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
+			ssize_t len = 0;
+
+			iso_buffer = usbip_alloc_iso_desc_pdu(urb, &len);
+			if (!iso_buffer) {
+				usbip_event_add(&sdev->ud,
+						SDEV_EVENT_ERROR_MALLOC);
+				return -1;
+			}
+
+			iov[2].iov_base = iso_buffer;
+			iov[2].iov_len  = len;
+			txsize += len;
+		}
+
+		ret = kernel_sendmsg(sdev->ud.tcp_socket, &msg, iov,
+				     3, txsize);
+		if (ret != txsize) {
+			dev_err(&sdev->interface->dev,
+				"sendmsg failed!, retval %d for %zd\n",
+				ret, txsize);
+			kfree(iso_buffer);
+			usbip_event_add(&sdev->ud, SDEV_EVENT_ERROR_TCP);
+			return -1;
+		}
+
+		kfree(iso_buffer);
+		dbg_stub_tx("send txdata\n");
+
+		total_size += txsize;
+	}
+
+
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	list_for_each_entry_safe(priv, tmp, &sdev->priv_free, list) {
+		stub_free_priv_and_urb(priv);
+	}
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+	return total_size;
+}
+
+
+/*-------------------------------------------------------------------------*/
+/* send RET_UNLINK */
+
+static struct stub_unlink *dequeue_from_unlink_tx(struct stub_device *sdev)
+{
+	unsigned long flags;
+	struct stub_unlink *unlink, *tmp;
+
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) {
+		list_move_tail(&unlink->list, &sdev->unlink_free);
+		spin_unlock_irqrestore(&sdev->priv_lock, flags);
+		return unlink;
+	}
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+	return NULL;
+}
+
+
+static int stub_send_ret_unlink(struct stub_device *sdev)
+{
+	unsigned long flags;
+	struct stub_unlink *unlink, *tmp;
+
+	struct msghdr msg;
+	struct kvec iov[1];
+	size_t txsize;
+
+	size_t total_size = 0;
+
+	while ((unlink = dequeue_from_unlink_tx(sdev)) != NULL) {
+		int ret;
+		struct usbip_header pdu_header;
+
+		txsize = 0;
+		memset(&pdu_header, 0, sizeof(pdu_header));
+		memset(&msg, 0, sizeof(msg));
+		memset(&iov, 0, sizeof(iov));
+
+		dbg_stub_tx("setup ret unlink %lu\n", unlink->seqnum);
+
+		/* 1. setup usbip_header */
+		setup_ret_unlink_pdu(&pdu_header, unlink);
+		usbip_header_correct_endian(&pdu_header, 1);
+
+		iov[0].iov_base = &pdu_header;
+		iov[0].iov_len  = sizeof(pdu_header);
+		txsize += sizeof(pdu_header);
+
+		ret = kernel_sendmsg(sdev->ud.tcp_socket, &msg, iov,
+				     1, txsize);
+		if (ret != txsize) {
+			dev_err(&sdev->interface->dev,
+				"sendmsg failed!, retval %d for %zd\n",
+				ret, txsize);
+			usbip_event_add(&sdev->ud, SDEV_EVENT_ERROR_TCP);
+			return -1;
+		}
+
+
+		dbg_stub_tx("send txdata\n");
+
+		total_size += txsize;
+	}
+
+
+	spin_lock_irqsave(&sdev->priv_lock, flags);
+
+	list_for_each_entry_safe(unlink, tmp, &sdev->unlink_free, list) {
+		list_del(&unlink->list);
+		kfree(unlink);
+	}
+
+	spin_unlock_irqrestore(&sdev->priv_lock, flags);
+
+	return total_size;
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+void stub_tx_loop(struct usbip_task *ut)
+{
+	struct usbip_device *ud = container_of(ut, struct usbip_device, tcp_tx);
+	struct stub_device *sdev = container_of(ud, struct stub_device, ud);
+
+	while (1) {
+		if (signal_pending(current)) {
+			dbg_stub_tx("signal catched\n");
+			break;
+		}
+
+		if (usbip_event_happend(ud))
+			break;
+
+		/*
+		 * send_ret_submit comes earlier than send_ret_unlink.  stub_rx
+		 * looks at only priv_init queue. If the completion of a URB is
+		 * earlier than the receive of CMD_UNLINK, priv is moved to
+		 * priv_tx queue and stub_rx does not find the target priv. In
+		 * this case, vhci_rx receives the result of the submit request
+		 * and then receives the result of the unlink request. The
+		 * result of the submit is given back to the usbcore as the
+		 * completion of the unlink request. The request of the
+		 * unlink is ignored. This is ok because a driver who calls
+		 * usb_unlink_urb() understands the unlink was too late by
+		 * getting the status of the given-backed URB which has the
+		 * status of usb_submit_urb().
+		 */
+		if (stub_send_ret_submit(sdev) < 0)
+			break;
+
+		if (stub_send_ret_unlink(sdev) < 0)
+			break;
+
+		wait_event_interruptible(sdev->tx_waitq,
+				(!list_empty(&sdev->priv_tx) ||
+				 !list_empty(&sdev->unlink_tx)));
+	}
+}
-- 
GitLab


From 66101de10957e07a6fd0365d5af9adf650246d14 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@suse.cz>
Date: Wed, 1 Oct 2008 14:36:56 +0200
Subject: [PATCH 0347/2224] Staging: add w35und wifi driver

This is driver for w35und usb wifi -- also in kohjinsha
subnotebook. It should work well enough to associate and ping, but it
obviously needs to be rewritten two more times...

OTOH worst horrors (like embedded wifi stack) should have been fixed
already...

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                   |    2 +
 drivers/staging/Makefile                  |    1 +
 drivers/staging/winbond/Kconfig           |    7 +
 drivers/staging/winbond/Makefile          |   18 +
 drivers/staging/winbond/README            |   10 +
 drivers/staging/winbond/adapter.h         |   23 +
 drivers/staging/winbond/bss_f.h           |   59 +
 drivers/staging/winbond/bssdscpt.h        |  156 ++
 drivers/staging/winbond/ds_tkip.h         |   33 +
 drivers/staging/winbond/gl_80211.h        |  125 +
 drivers/staging/winbond/ioctls.h          |  678 ++++++
 drivers/staging/winbond/linux/common.h    |  143 ++
 drivers/staging/winbond/linux/sysdef.h    |   73 +
 drivers/staging/winbond/linux/wb35reg.c   |  747 ++++++
 drivers/staging/winbond/linux/wb35reg_f.h |   56 +
 drivers/staging/winbond/linux/wb35reg_s.h |  170 ++
 drivers/staging/winbond/linux/wb35rx.c    |  337 +++
 drivers/staging/winbond/linux/wb35rx_f.h  |   17 +
 drivers/staging/winbond/linux/wb35rx_s.h  |   48 +
 drivers/staging/winbond/linux/wb35tx.c    |  313 +++
 drivers/staging/winbond/linux/wb35tx_f.h  |   20 +
 drivers/staging/winbond/linux/wb35tx_s.h  |   47 +
 drivers/staging/winbond/linux/wbusb.c     |  404 ++++
 drivers/staging/winbond/linux/wbusb_f.h   |   34 +
 drivers/staging/winbond/linux/wbusb_s.h   |   42 +
 drivers/staging/winbond/localpara.h       |  275 +++
 drivers/staging/winbond/mac_structures.h  |  670 +++++
 drivers/staging/winbond/mds.c             |  630 +++++
 drivers/staging/winbond/mds_f.h           |   33 +
 drivers/staging/winbond/mds_s.h           |  183 ++
 drivers/staging/winbond/mlme_mib.h        |   84 +
 drivers/staging/winbond/mlme_s.h          |  195 ++
 drivers/staging/winbond/mlmetxrx.c        |  150 ++
 drivers/staging/winbond/mlmetxrx_f.h      |   52 +
 drivers/staging/winbond/mto.c             | 1229 ++++++++++
 drivers/staging/winbond/mto.h             |  265 ++
 drivers/staging/winbond/mto_f.h           |    7 +
 drivers/staging/winbond/os_common.h       |    2 +
 drivers/staging/winbond/phy_calibration.c | 1759 ++++++++++++++
 drivers/staging/winbond/phy_calibration.h |  101 +
 drivers/staging/winbond/reg.c             | 2683 +++++++++++++++++++++
 drivers/staging/winbond/rxisr.c           |   30 +
 drivers/staging/winbond/scan_s.h          |  115 +
 drivers/staging/winbond/sme_api.c         |   13 +
 drivers/staging/winbond/sme_api.h         |  265 ++
 drivers/staging/winbond/sme_s.h           |  228 ++
 drivers/staging/winbond/wb35_ver.h        |   30 +
 drivers/staging/winbond/wbhal.c           |  878 +++++++
 drivers/staging/winbond/wbhal_f.h         |  122 +
 drivers/staging/winbond/wbhal_s.h         |  615 +++++
 drivers/staging/winbond/wblinux.c         |  277 +++
 drivers/staging/winbond/wblinux_f.h       |   23 +
 drivers/staging/winbond/wblinux_s.h       |   45 +
 53 files changed, 14522 insertions(+)
 create mode 100644 drivers/staging/winbond/Kconfig
 create mode 100644 drivers/staging/winbond/Makefile
 create mode 100644 drivers/staging/winbond/README
 create mode 100644 drivers/staging/winbond/adapter.h
 create mode 100644 drivers/staging/winbond/bss_f.h
 create mode 100644 drivers/staging/winbond/bssdscpt.h
 create mode 100644 drivers/staging/winbond/ds_tkip.h
 create mode 100644 drivers/staging/winbond/gl_80211.h
 create mode 100644 drivers/staging/winbond/ioctls.h
 create mode 100644 drivers/staging/winbond/linux/common.h
 create mode 100644 drivers/staging/winbond/linux/sysdef.h
 create mode 100644 drivers/staging/winbond/linux/wb35reg.c
 create mode 100644 drivers/staging/winbond/linux/wb35reg_f.h
 create mode 100644 drivers/staging/winbond/linux/wb35reg_s.h
 create mode 100644 drivers/staging/winbond/linux/wb35rx.c
 create mode 100644 drivers/staging/winbond/linux/wb35rx_f.h
 create mode 100644 drivers/staging/winbond/linux/wb35rx_s.h
 create mode 100644 drivers/staging/winbond/linux/wb35tx.c
 create mode 100644 drivers/staging/winbond/linux/wb35tx_f.h
 create mode 100644 drivers/staging/winbond/linux/wb35tx_s.h
 create mode 100644 drivers/staging/winbond/linux/wbusb.c
 create mode 100644 drivers/staging/winbond/linux/wbusb_f.h
 create mode 100644 drivers/staging/winbond/linux/wbusb_s.h
 create mode 100644 drivers/staging/winbond/localpara.h
 create mode 100644 drivers/staging/winbond/mac_structures.h
 create mode 100644 drivers/staging/winbond/mds.c
 create mode 100644 drivers/staging/winbond/mds_f.h
 create mode 100644 drivers/staging/winbond/mds_s.h
 create mode 100644 drivers/staging/winbond/mlme_mib.h
 create mode 100644 drivers/staging/winbond/mlme_s.h
 create mode 100644 drivers/staging/winbond/mlmetxrx.c
 create mode 100644 drivers/staging/winbond/mlmetxrx_f.h
 create mode 100644 drivers/staging/winbond/mto.c
 create mode 100644 drivers/staging/winbond/mto.h
 create mode 100644 drivers/staging/winbond/mto_f.h
 create mode 100644 drivers/staging/winbond/os_common.h
 create mode 100644 drivers/staging/winbond/phy_calibration.c
 create mode 100644 drivers/staging/winbond/phy_calibration.h
 create mode 100644 drivers/staging/winbond/reg.c
 create mode 100644 drivers/staging/winbond/rxisr.c
 create mode 100644 drivers/staging/winbond/scan_s.h
 create mode 100644 drivers/staging/winbond/sme_api.c
 create mode 100644 drivers/staging/winbond/sme_api.h
 create mode 100644 drivers/staging/winbond/sme_s.h
 create mode 100644 drivers/staging/winbond/wb35_ver.h
 create mode 100644 drivers/staging/winbond/wbhal.c
 create mode 100644 drivers/staging/winbond/wbhal_f.h
 create mode 100644 drivers/staging/winbond/wbhal_s.h
 create mode 100644 drivers/staging/winbond/wblinux.c
 create mode 100644 drivers/staging/winbond/wblinux_f.h
 create mode 100644 drivers/staging/winbond/wblinux_s.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 4dbf795df74..fdbdf84e307 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -35,4 +35,6 @@ source "drivers/staging/go7007/Kconfig"
 
 source "drivers/staging/usbip/Kconfig"
 
+source "drivers/staging/winbond/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index be42c0d4db0..9b576c91b15 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_SXG)		+= sxg/
 obj-$(CONFIG_ME4000)		+= me4000/
 obj-$(CONFIG_VIDEO_GO7007)	+= go7007/
 obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
+obj-$(CONFIG_W35UND)		+= winbond/
diff --git a/drivers/staging/winbond/Kconfig b/drivers/staging/winbond/Kconfig
new file mode 100644
index 00000000000..10d72bec88a
--- /dev/null
+++ b/drivers/staging/winbond/Kconfig
@@ -0,0 +1,7 @@
+config W35UND
+	tristate "Winbond driver"
+	depends on MAC80211 && WLAN_80211 && EXPERIMENTAL && !4KSTACKS
+	default n
+	---help---
+	  This is highly experimental driver for winbond wifi card on some Kohjinsha notebooks
+	  Check http://code.google.com/p/winbondport/ for new version
diff --git a/drivers/staging/winbond/Makefile b/drivers/staging/winbond/Makefile
new file mode 100644
index 00000000000..29c98bf1bc9
--- /dev/null
+++ b/drivers/staging/winbond/Makefile
@@ -0,0 +1,18 @@
+	DRIVER_DIR=./linux
+
+w35und-objs := $(DRIVER_DIR)/wbusb.o $(DRIVER_DIR)/wb35reg.o $(DRIVER_DIR)/wb35rx.o $(DRIVER_DIR)/wb35tx.o \
+	mds.o \
+	mlmetxrx.o \
+	mto.o	\
+	phy_calibration.o	\
+	reg.o			\
+	rxisr.o			\
+	sme_api.o		\
+	wbhal.o			\
+	wblinux.o		\
+
+
+obj-$(CONFIG_W35UND) += w35und.o
+
+
+
diff --git a/drivers/staging/winbond/README b/drivers/staging/winbond/README
new file mode 100644
index 00000000000..707b6b354dc
--- /dev/null
+++ b/drivers/staging/winbond/README
@@ -0,0 +1,10 @@
+TODO:
+	- sparse cleanups
+	- checkpatch cleanups
+	- kerneldoc cleanups
+	- remove typedefs
+	- remove unused ioctls
+	- use cfg80211 for regulatory stuff
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
+Pavel Machek <pavel@suse.cz>
diff --git a/drivers/staging/winbond/adapter.h b/drivers/staging/winbond/adapter.h
new file mode 100644
index 00000000000..609701d21cf
--- /dev/null
+++ b/drivers/staging/winbond/adapter.h
@@ -0,0 +1,23 @@
+//
+// ADAPTER.H -
+// Windows NDIS global variable 'Adapter' typedef
+//
+#define MAX_ANSI_STRING		40
+typedef struct WB32_ADAPTER
+{
+	u32 AdapterIndex; // 20060703.4 Add for using pAdapterContext global Adapter point
+
+	WB_LOCALDESCRIPT	sLocalPara;		// Myself connected parameters
+	PWB_BSSDESCRIPTION	asBSSDescriptElement;
+
+	MLME_FRAME		sMlmeFrame;		// connect to peerSTA parameters
+
+	MTO_PARAMETERS		sMtoPara; // MTO_struct ...
+	hw_data_t			sHwData; //For HAL
+	MDS					Mds;
+
+	WBLINUX		WbLinux;
+        struct iw_statistics iw_stats;
+
+	u8	LinkName[MAX_ANSI_STRING];
+} WB32_ADAPTER, ADAPTER, *PWB32_ADAPTER, *PADAPTER;
diff --git a/drivers/staging/winbond/bss_f.h b/drivers/staging/winbond/bss_f.h
new file mode 100644
index 00000000000..c957bc94f08
--- /dev/null
+++ b/drivers/staging/winbond/bss_f.h
@@ -0,0 +1,59 @@
+//
+// BSS descriptor DataBase management global function
+//
+
+void vBSSdescriptionInit(PWB32_ADAPTER Adapter);
+void vBSSfoundList(PWB32_ADAPTER Adapter);
+u8 boChanFilter(PWB32_ADAPTER Adapter, u8 ChanNo);
+u16 wBSSallocateEntry(PWB32_ADAPTER Adapter);
+u16 wBSSGetEntry(PWB32_ADAPTER Adapter);
+void vSimpleHouseKeeping(PWB32_ADAPTER Adapter);
+u16 wBSShouseKeeping(PWB32_ADAPTER Adapter);
+void ClearBSSdescpt(PWB32_ADAPTER Adapter, u16 i);
+u16 wBSSfindBssID(PWB32_ADAPTER Adapter, u8 *pbBssid);
+u16 wBSSfindDedicateCandidate(PWB32_ADAPTER Adapter, struct SSID_Element *psSsid, u8 *pbBssid);
+u16 wBSSfindMACaddr(PWB32_ADAPTER Adapter, u8 *pbMacAddr);
+u16 wBSSsearchMACaddr(PWB32_ADAPTER Adapter, u8 *pbMacAddr, u8 band);
+u16 wBSSaddScanData(PWB32_ADAPTER, u16, psRXDATA);
+u16 wBSSUpdateScanData(PWB32_ADAPTER Adapter, u16 wBssIdx, psRXDATA psRcvData);
+u16 wBSScreateIBSSdata(PWB32_ADAPTER Adapter, PWB_BSSDESCRIPTION psDesData);
+void DesiredRate2BSSdescriptor(PWB32_ADAPTER Adapter, PWB_BSSDESCRIPTION psDesData,
+							 u8 *pBasicRateSet, u8 BasicRateCount,
+							 u8 *pOperationRateSet, u8 OperationRateCount);
+void DesiredRate2InfoElement(PWB32_ADAPTER Adapter, u8	*addr, u16 *iFildOffset,
+							 u8 *pBasicRateSet, u8 BasicRateCount,
+							 u8 *pOperationRateSet, u8 OperationRateCount);
+void BSSAddIBSSdata(PWB32_ADAPTER Adapter, PWB_BSSDESCRIPTION psDesData);
+unsigned char boCmpMacAddr( PUCHAR, PUCHAR );
+unsigned char boCmpSSID(struct SSID_Element *psSSID1, struct SSID_Element *psSSID2);
+u16 wBSSfindSSID(PWB32_ADAPTER Adapter, struct SSID_Element *psSsid);
+u16 wRoamingQuery(PWB32_ADAPTER Adapter);
+void vRateToBitmap(PWB32_ADAPTER Adapter, u16 index);
+u8 bRateToBitmapIndex(PWB32_ADAPTER Adapter, u8 bRate);
+u8 bBitmapToRate(u8 i);
+unsigned char boIsERPsta(PWB32_ADAPTER Adapter, u16 i);
+unsigned char boCheckConnect(PWB32_ADAPTER Adapter);
+unsigned char boCheckSignal(PWB32_ADAPTER Adapter);
+void AddIBSSIe(PWB32_ADAPTER Adapter,PWB_BSSDESCRIPTION psDesData );//added by ws for WPA_None06/01/04
+void BssScanUpToDate(PWB32_ADAPTER Adapter);
+void BssUpToDate(PWB32_ADAPTER Adapter);
+void RateSort(u8 *RateArray, u8 num, u8 mode);
+void RateReSortForSRate(PWB32_ADAPTER Adapter, u8 *RateArray, u8 num);
+void Assemble_IE(PWB32_ADAPTER Adapter, u16 wBssIdx);
+void SetMaxTxRate(PWB32_ADAPTER Adapter);
+
+void CreateWpaIE(PWB32_ADAPTER Adapter, u16* iFildOffset, PUCHAR msg, struct  Management_Frame* msgHeader,
+				 struct Association_Request_Frame_Body* msgBody, u16 iMSindex); //added by WS 05/14/05
+
+#ifdef _WPA2_
+void CreateRsnIE(PWB32_ADAPTER Adapter, u16* iFildOffset, PUCHAR msg, struct  Management_Frame* msgHeader,
+				 struct Association_Request_Frame_Body* msgBody, u16 iMSindex);//added by WS 05/14/05
+
+u16 SearchPmkid(PWB32_ADAPTER Adapter, struct  Management_Frame* msgHeader,
+				   struct PMKID_Information_Element * AssoReq_PMKID );
+#endif
+
+
+
+
+
diff --git a/drivers/staging/winbond/bssdscpt.h b/drivers/staging/winbond/bssdscpt.h
new file mode 100644
index 00000000000..97150a2655f
--- /dev/null
+++ b/drivers/staging/winbond/bssdscpt.h
@@ -0,0 +1,156 @@
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//	bssdscpt.c
+//		BSS descriptor data base
+//	history :
+//
+//	Description:
+//		BSS descriptor data base will store the information of the stations at the
+//		surrounding environment. The first entry( psBSS(0) ) will not be used and the
+//		second one( psBSS(1) ) will be used for the broadcast address.
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+//#define MAX_ACC_RSSI_COUNT		10
+#define MAX_ACC_RSSI_COUNT		6
+
+///////////////////////////////////////////////////////////////////////////
+//
+// BSS Description set Element , to store scan received Beacon information
+//
+// Our's differs slightly from the specs. The specify a PHY_Parameter_Set.
+// Since we're only doing a DS design right now, we just have a DS structure.
+//////////////////////////////////////////////////////////////////////////////
+typedef struct BSSDescriptionElement
+{
+	u32		SlotValid;
+	u32		PowerSaveMode;
+	RXLAYER1	RxLayer1;
+
+    u8		abPeerAddress[ MAC_ADDR_LENGTH + 2 ]; // peer MAC Address associated with this session. 6-OCTET value
+    u32		dwBgScanStamp;		// BgScan Sequence Counter stamp, record psROAM->dwScanCounter.
+
+	u16		Beacon_Period;
+	u16		wATIM_Window;
+
+    u8		abBssID[ MAC_ADDR_LENGTH + 2 ];				// 6B
+
+    u8		bBssType;
+    u8		DTIM_Period;        // 1 octet usually from TIM element, if present
+	u8		boInTimerHandler;
+	u8		boERP;			// analysis ERP or (extended) supported rate element
+
+	u8		Timestamp[8];
+	u8		BasicRate[32];
+	u8		OperationalRate[32];
+	u32		dwBasicRateBitmap;			//bit map, retrieve from SupportedRateSet
+	u32		dwOperationalRateBitmap;	//bit map, retrieve from SupportedRateSet and
+										// ExtendedSupportedRateSet
+	// For RSSI calculating
+	u32		HalRssi[MAX_ACC_RSSI_COUNT]; // Encode. It must use MACRO of HAL to get the LNA and AGC data
+	u32		HalRssiIndex;
+
+	////From beacon/probe response
+    struct SSID_Element SSID;				// 34B
+	u8	reserved_1[ 2 ];
+
+    struct Capability_Information_Element   CapabilityInformation;  // 2B
+	u8	reserved_2[ 2 ];
+
+    struct CF_Parameter_Set_Element    CF_Parameter_Set;		// 8B
+    struct IBSS_Parameter_Set_Element  IBSS_Parameter_Set;		// 4B
+    struct TIM_Element                 TIM_Element_Set; 			// 256B
+
+    struct DS_Parameter_Set_Element    DS_Parameter_Set;		// 3B
+	u8	reserved_3;
+
+	struct ERP_Information_Element		ERP_Information_Set;	// 3B
+	u8	reserved_4;
+
+    struct Supported_Rates_Element     SupportedRateSet;			// 10B
+	u8	reserved_5[2];
+
+	struct Extended_Supported_Rates_Element	ExtendedSupportedRateSet;	// 257B
+	u8	reserved_6[3];
+
+	u8	band;
+	u8	reserved_7[3];
+
+	// for MLME module
+    u16		wState;			// the current state of the system
+	u16		wIndex;			// THIS BSS element entry index
+
+	void*	psAdapter;		// pointer to THIS Adapter
+	OS_TIMER	nTimer;  // MLME timer
+
+    // Authentication
+    u16		wAuthAlgo;      // peer MAC MLME use Auth algorithm, default OPEN_AUTH
+    u16		wAuthSeqNum;    // current local MAC sendout AuthReq sequence number
+
+	u8		auth_challengeText[128];
+
+	////For XP:
+    u32		ies_len;		// information element length
+    u8		ies[256];		// information element
+
+	////For WPA
+	u8	RsnIe_Type[2];		//added by ws for distinguish WPA and WPA2 05/14/04
+	u8	RsnIe_len;
+    u8	Rsn_Num;
+
+    // to record the rsn cipher suites,addded by ws 09/05/04
+	SUITE_SELECTOR			group_cipher; // 4B
+	SUITE_SELECTOR			pairwise_key_cipher_suites[WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT];
+	SUITE_SELECTOR			auth_key_mgt_suites[WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT];
+
+	u16					pairwise_key_cipher_suite_count;
+	u16					auth_key_mgt_suite_count;
+
+	u8					pairwise_key_cipher_suite_selected;
+	u8					auth_key_mgt_suite_selected;
+	u8					reserved_8[2];
+
+	struct RSN_Capability_Element  rsn_capabilities; // 2B
+	u8					reserved_9[2];
+
+    //to record the rsn cipher suites for WPA2
+    #ifdef _WPA2_
+	u32					pre_auth;		//added by WS for distinguish for 05/04/04
+    SUITE_SELECTOR			wpa2_group_cipher; // 4B
+	SUITE_SELECTOR			wpa2_pairwise_key_cipher_suites[WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT];
+	SUITE_SELECTOR			wpa2_auth_key_mgt_suites[WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT];
+
+	u16					wpa2_pairwise_key_cipher_suite_count;
+	u16					wpa2_auth_key_mgt_suite_count;
+
+	u8					wpa2_pairwise_key_cipher_suite_selected;
+	u8					wpa2_auth_key_mgt_suite_selected;
+	u8					reserved_10[2];
+
+	struct RSN_Capability_Element  wpa2_rsn_capabilities; // 2B
+	u8					reserved_11[2];
+    #endif //endif _WPA2_
+
+	//For Replay protection
+//	u8		PairwiseTSC[6];
+//	u8		GroupTSC[6];
+
+	////For up-to-date
+	u32		ScanTimeStamp;	//for the decision whether the station/AP(may exist at
+							//different channels) has left. It must be detected by
+							//scanning. Local device may connected or disconnected.
+	u32		BssTimeStamp;	//Only for the decision whether the station/AP(exist in
+							//the same channel, and no scanning) if local device has
+							//connected successfully.
+
+	// 20061108 Add for storing WPS_IE. [E id][Length][OUI][Data]
+	u8		WPS_IE_Data[MAX_IE_APPEND_SIZE];
+	u16		WPS_IE_length;
+	u16		WPS_IE_length_tmp; // For verify there is an WPS_IE in Beacon or probe response
+
+} WB_BSSDESCRIPTION, *PWB_BSSDESCRIPTION;
+
+#define wBSSConnectedSTA(Adapter)             \
+    ((u16)(Adapter)->sLocalPara.wConnectedSTAindex)
+
+#define psBSS(i)			(&(Adapter->asBSSDescriptElement[(i)]))
+
+
diff --git a/drivers/staging/winbond/ds_tkip.h b/drivers/staging/winbond/ds_tkip.h
new file mode 100644
index 00000000000..29e5055b45a
--- /dev/null
+++ b/drivers/staging/winbond/ds_tkip.h
@@ -0,0 +1,33 @@
+// Rotation functions on 32 bit values
+#define ROL32( A, n ) \
+    ( ((A) << (n)) | ( ((A)>>(32-(n)))  & ( (1UL << (n)) - 1 ) ) )
+
+#define ROR32( A, n )   ROL32( (A), 32-(n) )
+
+
+typedef struct tkip
+{
+    u32	K0, K1;		// Key
+	union
+	{
+		struct // Current state
+		{
+			u32	L;
+			u32	R;
+		};
+		u8	LR[8];
+	};
+	union
+	{
+		u32	M;		// Message accumulator (single word)
+		u8	Mb[4];
+	};
+	s32		bytes_in_M;	// # bytes in M
+} tkip_t;
+
+//void _append_data( PUCHAR pData, u16 size, tkip_t *p );
+void Mds_MicGet(  void* Adapter,  void* pRxLayer1,  PUCHAR pKey,  PUCHAR pMic );
+void Mds_MicFill(  void* Adapter,  void* pDes,  PUCHAR XmitBufAddress );
+
+
+
diff --git a/drivers/staging/winbond/gl_80211.h b/drivers/staging/winbond/gl_80211.h
new file mode 100644
index 00000000000..1806d817496
--- /dev/null
+++ b/drivers/staging/winbond/gl_80211.h
@@ -0,0 +1,125 @@
+
+#ifndef __GL_80211_H__
+#define __GL_80211_H__
+
+/****************** CONSTANT AND MACRO SECTION ******************************/
+
+/* BSS Type */
+enum {
+    WLAN_BSSTYPE_INFRASTRUCTURE         = 0,
+    WLAN_BSSTYPE_INDEPENDENT,
+    WLAN_BSSTYPE_ANY_BSS,
+};
+
+
+
+/* Preamble_Type, see <SFS-802.11G-MIB-203> */
+typedef enum preamble_type {
+    WLAN_PREAMBLE_TYPE_SHORT,
+    WLAN_PREAMBLE_TYPE_LONG,
+}    preamble_type_e;
+
+
+/* Slot_Time_Type, see <SFS-802.11G-MIB-208> */
+typedef enum slot_time_type {
+    WLAN_SLOT_TIME_TYPE_LONG,
+    WLAN_SLOT_TIME_TYPE_SHORT,
+}    slot_time_type_e;
+
+/*--------------------------------------------------------------------------*/
+/* Encryption Mode */
+typedef enum {
+    WEP_DISABLE                                         = 0,
+    WEP_64,
+    WEP_128,
+
+    ENCRYPT_DISABLE,
+    ENCRYPT_WEP,
+    ENCRYPT_WEP_NOKEY,
+    ENCRYPT_TKIP,
+    ENCRYPT_TKIP_NOKEY,
+    ENCRYPT_CCMP,
+    ENCRYPT_CCMP_NOKEY,
+}    encryption_mode_e;
+
+typedef enum _WLAN_RADIO {
+    WLAN_RADIO_ON,
+    WLAN_RADIO_OFF,
+    WLAN_RADIO_MAX, // not a real type, defined as an upper bound
+} WLAN_RADIO;
+
+typedef struct _WLAN_RADIO_STATUS {
+	WLAN_RADIO HWStatus;
+	WLAN_RADIO SWStatus;
+} WLAN_RADIO_STATUS;
+
+//----------------------------------------------------------------------------
+// 20041021 1.1.81.1000 ybjiang
+// add for radio notification
+typedef
+void (*RADIO_NOTIFICATION_HANDLER)(
+	void *Data,
+	void *RadioStatusBuffer,
+	u32 RadioStatusBufferLen
+	);
+
+typedef struct _WLAN_RADIO_NOTIFICATION
+{
+    RADIO_NOTIFICATION_HANDLER RadioChangeHandler;
+    void *Data;
+} WLAN_RADIO_NOTIFICATION;
+
+//----------------------------------------------------------------------------
+// 20041102 1.1.91.1000 ybjiang
+// add for OID_802_11_CUST_REGION_CAPABILITIES and OID_802_11_OID_REGION
+typedef enum _WLAN_REGION_CODE
+{
+	WLAN_REGION_UNKNOWN,
+	WLAN_REGION_EUROPE,
+	WLAN_REGION_JAPAN,
+	WLAN_REGION_USA,
+	WLAN_REGION_FRANCE,
+	WLAN_REGION_SPAIN,
+	WLAN_REGION_ISRAEL,
+	WLAN_REGION_MAX, // not a real type, defined as an upper bound
+} WLAN_REGION_CODE;
+
+#define REGION_NAME_MAX_LENGTH   256
+
+typedef struct _WLAN_REGION_CHANNELS
+{
+	u32 Length;
+	u32 NameLength;
+	u8 Name[REGION_NAME_MAX_LENGTH];
+	WLAN_REGION_CODE Code;
+	u32 Frequency[1];
+} WLAN_REGION_CHANNELS;
+
+typedef struct _WLAN_REGION_CAPABILITIES
+{
+	u32 NumberOfItems;
+	WLAN_REGION_CHANNELS Region[1];
+} WLAN_REGION_CAPABILITIES;
+
+typedef struct _region_name_map {
+	WLAN_REGION_CODE region;
+	u8 *name;
+	u32 *channels;
+} region_name_map;
+
+/*--------------------------------------------------------------------------*/
+#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
+#define MACSTR "%02X:%02X:%02X:%02X:%02X:%02X"
+
+// TODO: 0627 kevin
+#define MIC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5], (a)[6], (a)[7]
+#define MICSTR "%02X %02X %02X %02X %02X %02X %02X %02X"
+
+#define MICKEY2STR(a)   MIC2STR(a)
+#define MICKEYSTR       MICSTR
+
+
+#endif /* __GL_80211_H__ */
+/*** end of file ***/
+
+
diff --git a/drivers/staging/winbond/ioctls.h b/drivers/staging/winbond/ioctls.h
new file mode 100644
index 00000000000..e8b35dc7e32
--- /dev/null
+++ b/drivers/staging/winbond/ioctls.h
@@ -0,0 +1,678 @@
+//============================================================================
+//  IOCTLS.H -
+//
+//  Description:
+//    Define the IOCTL codes.
+//
+//  Revision history:
+//  --------------------------------------------------------------------------
+//
+//  Copyright (c) 2002-2004 Winbond Electronics Corp. All rights reserved.
+//=============================================================================
+
+#ifndef _IOCTLS_H
+#define _IOCTLS_H
+
+// PD43 Keep it - Used with the Win33 application
+// #include <winioctl.h>
+
+//========================================================
+// 20040108 ADD the follow for test
+//========================================================
+#define INFORMATION_LENGTH sizeof(unsigned int)
+
+#define WB32_IOCTL_INDEX  0x0900 //­×§�ĽHŤKŹŰŽe//
+
+#define Wb32_RegisterRead			CTL_CODE(	\
+			FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 0,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb32_RegisterWrite			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 1,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb32_SendPacket				CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 2,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb32_QuerySendResult		CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 3,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb32_SetFragmentThreshold	CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 4,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb32_SetLinkStatus		CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 5,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb32_SetBulkIn			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 6,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb32_LoopbackTest			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 7,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_EEPromRead				CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 8,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_EEPromWrite			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 9,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_FlashReadData			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 10,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_FlashWrite				CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 11,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_FlashWriteBurst		CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 12,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_TxBurstStart			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 13,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_TxBurstStop			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 14,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+#define Wb35_TxBurstStatus			CTL_CODE(	\
+            FILE_DEVICE_UNKNOWN,				\
+            WB32_IOCTL_INDEX + 15,				\
+            METHOD_BUFFERED,					\
+            FILE_ANY_ACCESS)
+
+// For IOCTL interface
+//================================================
+#define LINKNAME_STRING     "\\DosDevices\\W35UND"
+#define NTDEVICE_STRING     "\\Device\\W35UND"
+#define APPLICATION_LINK	"\\\\.\\W35UND"
+
+#define WB_IOCTL_INDEX      0x0800
+#define WB_IOCTL_TS_INDEX   WB_IOCTL_INDEX + 60
+#define WB_IOCTL_DUT_INDEX  WB_IOCTL_TS_INDEX + 40
+
+//=============================================================================
+// IOCTLS defined for DUT (Device Under Test)
+
+// IOCTL_WB_802_11_DUT_MAC_ADDRESS
+// Query: Return the dot11StationID
+// Set  : Set the dot11StationID. Demo only.
+//
+#define IOCTL_WB_802_11_DUT_MAC_ADDRESS     CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                        \
+            WB_IOCTL_DUT_INDEX + 1,                     \
+            METHOD_BUFFERED,                            \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_BSS_DESCRIPTION
+// Query: Return the info. of the current connected BSS.
+// Set  : None.
+//
+#define IOCTL_WB_802_11_DUT_BSS_DESCRIPTION   CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                          \
+            WB_IOCTL_DUT_INDEX + 2,                       \
+            METHOD_BUFFERED,                              \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_TX_RATE
+// Query: Return the current transmission rate.
+// Set  : Set the transmission rate of the Tx packets.
+//
+#define IOCTL_WB_802_11_DUT_TX_RATE             CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 3,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_CURRENT_STA_STATE
+// Query: Return the current STA state. (WB_STASTATE type)
+// Set  : None.
+//
+#define IOCTL_WB_802_11_DUT_CURRENT_STA_STATE   CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 4,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+/////////// 10/31/02' Added /////////////////////
+
+// IOCTL_WB_802_11_DUT_START_IBSS_REQUEST
+// Query: None.
+// Set  : Start a new IBSS
+//
+#define IOCTL_WB_802_11_DUT_START_IBSS_REQUEST  CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 5,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_JOIN_REQUEST
+// Query: None.
+// Set  : Synchronize with the selected BSS
+//
+#define IOCTL_WB_802_11_DUT_JOIN_REQUEST        CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 6,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_AUTHEN_REQUEST
+// Query: None.
+// Set  : Authenticate with the BSS
+//
+#define IOCTL_WB_802_11_DUT_AUTHEN_REQUEST      CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 7,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_DEAUTHEN_REQUEST
+// Query: None.
+// Set  : DeAuthenticate withe the BSS
+//
+#define IOCTL_WB_802_11_DUT_DEAUTHEN_REQUEST    CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 8,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_ASSOC_REQUEST
+// Query: None.
+// Set  : Associate withe the BSS
+//
+#define IOCTL_WB_802_11_DUT_ASSOC_REQUEST       CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 9,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_REASSOC_REQUEST
+// Query: None.
+// Set  : ReAssociate withe the BSS
+//
+#define IOCTL_WB_802_11_DUT_REASSOC_REQUEST     CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 10,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+
+// IOCTL_WB_802_11_DUT_DISASSOC_REQUEST
+// Query: None.
+// Set  : DisAssociate withe the BSS
+//
+#define IOCTL_WB_802_11_DUT_DISASSOC_REQUEST    CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 11,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_FRAG_THRESHOLD
+// Query: Return the dot11FragmentThreshold
+// Set  : Set the dot11FragmentThreshold
+//
+#define IOCTL_WB_802_11_DUT_FRAG_THRESHOLD      CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 12,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_RTS_THRESHOLD
+// Query: Return the dot11RTSThreshold
+// Set  : Set the dot11RTSThresold
+//
+#define IOCTL_WB_802_11_DUT_RTS_THRESHOLD       CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 13,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_WEP_KEYMODE
+// Query: Get the WEP key mode.
+// Set  : Set the WEP key mode: disable/64 bits/128 bits
+//
+#define IOCTL_WB_802_11_DUT_WEP_KEYMODE         CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 14,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_WEP_KEYVALUE
+// Query: None.
+// Set  : fill in the WEP key value
+//
+#define IOCTL_WB_802_11_DUT_WEP_KEYVALUE        CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 15,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_RESET
+// Query: None.
+// Set  : Reset S/W and H/W
+//
+#define IOCTL_WB_802_11_DUT_RESET          CTL_CODE(       \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 16,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_POWER_SAVE
+// Query: None.
+// Set  : Set Power Save Mode
+//
+#define IOCTL_WB_802_11_DUT_POWER_SAVE    CTL_CODE(        \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 17,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_BSSID_LIST_SCAN
+// Query: None.
+// Set  :
+//
+#define IOCTL_WB_802_11_DUT_BSSID_LIST_SCAN CTL_CODE(      \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 18,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_BSSID_LIST
+// Query: Return the BSS info of BSSs in the last scanning process
+// Set  : None.
+//
+#define IOCTL_WB_802_11_DUT_BSSID_LIST    CTL_CODE(        \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 19,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_STATISTICS
+// Query: Return the statistics of Tx/Rx.
+// Set  : None.
+//
+#define IOCTL_WB_802_11_DUT_STATISTICS    CTL_CODE(        \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 20,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_ACCEPT_BEACON
+// Query: Return the current mode to accept beacon or not.
+// Set  : Enable or disable allowing the HW-MAC to pass the beacon to the SW-MAC
+// Arguments: unsigned char
+//
+#define IOCTL_WB_802_11_DUT_ACCEPT_BEACON  CTL_CODE(       \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 21,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_ROAMING
+// Query: Return the roaming function status
+// Set  : Enable/Disable the roaming function.
+#define IOCTL_WB_802_11_DUT_ROAMING        CTL_CODE(       \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 22,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_DTO
+// Query: Return the DTO(Data Throughput Optimization)
+//        function status (TRUE or FALSE)
+// Set  : Enable/Disable the DTO function.
+//
+#define IOCTL_WB_802_11_DUT_DTO            CTL_CODE(       \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 23,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_ANTENNA_DIVERSITY
+// Query: Return the antenna diversity status. (TRUE/ON or FALSE/OFF)
+// Set  : Enable/Disable the antenna diversity.
+//
+#define IOCTL_WB_802_11_DUT_ANTENNA_DIVERSITY CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 24,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+//-------------- new added for a+b+g ---------------------
+// IOCTL_WB_802_11_DUT_MAC_OPERATION_MODE
+// Query: Return the MAC operation mode. (MODE_802_11_BG, MODE_802_11_A,
+//			 MODE_802_11_ABG, MODE_802_11_BG_IBSS)
+// Set  : Set the MAC operation mode.
+//
+#define IOCTL_WB_802_11_DUT_MAC_OPERATION_MODE CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 25,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_TX_RATE_REDEFINED
+// Query: Return the current tx rate which follows the definition in spec. (for
+//			example, 5.5M => 0x0b)
+// Set  : None
+//
+#define IOCTL_WB_802_11_DUT_TX_RATE_REDEFINED CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 26,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_PREAMBLE_MODE
+// Query: Return the preamble mode. (auto or long)
+// Set  : Set the preamble mode.
+//
+#define IOCTL_WB_802_11_DUT_PREAMBLE_MODE CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 27,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_SLOT_TIME_MODE
+// Query: Return the slot time mode. (auto or long)
+// Set  : Set the slot time mode.
+//
+#define IOCTL_WB_802_11_DUT_SLOT_TIME_MODE CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 28,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+//------------------------------------------------------------------
+
+// IOCTL_WB_802_11_DUT_ADVANCE_STATUS
+// Query:
+// Set  : NONE
+//
+#define IOCTL_WB_802_11_DUT_ADVANCE_STATUS CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 29,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_TX_RATE_MODE
+// Query: Return the tx rate mode. (RATE_AUTO, RATE_1M, .., RATE_54M, RATE_MAX)
+// Set  : Set the tx rate mode.  (RATE_AUTO, RATE_1M, .., RATE_54M, RATE_MAX)
+//
+#define IOCTL_WB_802_11_DUT_TX_RATE_MODE CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 30,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_DTO_PARA
+// Query: Return the DTO parameters
+// Set  : Set the DTO parameters
+//
+#define IOCTL_WB_802_11_DUT_DTO_PARA CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 31,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_EVENT_LOG
+// Query: Return event log
+// Set  : Reset event log
+//
+#define IOCTL_WB_802_11_DUT_EVENT_LOG CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 32,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_CWMIN
+// Query: NONE(It will be obtained by IOCTL_WB_802_11_DUT_ADVANCE_STATUS)
+// Set  : Set CWMin value
+//
+#define IOCTL_WB_802_11_DUT_CWMIN CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 33,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_DUT_CWMAX
+// Query: NONE(It will be obtained by IOCTL_WB_802_11_DUT_ADVANCE_STATUS)
+// Set  : Set CWMax value
+//
+#define IOCTL_WB_802_11_DUT_CWMAX CTL_CODE(    \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_DUT_INDEX + 34,                        \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+
+//==========================================================
+// IOCTLs for Testing
+
+// IOCTL_WB_802_11_TS_SET_CXX_REG
+// Query: None
+// Set  : Write the value to one of Cxx register.
+//
+#define IOCTL_WB_802_11_TS_SET_CXX_REG  CTL_CODE(          \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 0,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_TS_GET_CXX_REG
+// Query: Return the value of the Cxx register.
+// Set  : Write the reg no. (0x00, 0x04, 0x08 etc)
+//
+#define IOCTL_WB_802_11_TS_GET_CXX_REG  CTL_CODE(          \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 1,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_TS_SET_DXX_REG
+// Query: None
+// Set  : Write the value to one of Dxx register.
+//
+#define IOCTL_WB_802_11_TS_SET_DXX_REG  CTL_CODE(          \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 2,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// IOCTL_WB_802_11_TS_GET_DXX_REG
+// Query: Return the value of the Dxx register.
+// Set  : Write the reg no. (0x00, 0x04, 0x08 etc)
+//
+#define IOCTL_WB_802_11_TS_GET_DXX_REG  CTL_CODE(          \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 3,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+//============================================================
+// [TS]
+
+#define IOCTL_WB_802_11_TS_TX_RATE              CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 4,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_CURRENT_CHANNEL      CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 5,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_ENABLE_SEQNO         CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 6,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_ENALBE_ACKEDPACKET   CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 7,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_INHIBIT_CRC          CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 8,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_RESET_RCV_COUNTER    CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 9,                          \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_SET_TX_TRIGGER       CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 10,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_FAILED_TX_COUNT       CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 11,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// [TS1]
+#define IOCTL_WB_802_11_TS_TX_POWER             CTL_CODE(   \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 12,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_MODE_ENABLE			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 13,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_MODE_DISABLE			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 14,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_ANTENNA				 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 15,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_ADAPTER_INFO			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 16,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_MAC_ADDRESS			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 17,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_BSSID				 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 18,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_RF_PARAMETER			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 19,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_FILTER				 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 20,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_CALIBRATION			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 21,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_BSS_MODE				 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 22,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_SET_SSID				 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 23,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_IBSS_CHANNEL			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 24,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+// set/query the slot time value(short or long slot time)
+#define IOCTL_WB_802_11_TS_SLOT_TIME			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 25,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_SLOT_TIME			 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 25,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#define IOCTL_WB_802_11_TS_RX_STATISTICS		 CTL_CODE(  \
+            FILE_DEVICE_UNKNOWN,                            \
+            WB_IOCTL_TS_INDEX + 26,                         \
+            METHOD_BUFFERED,                                \
+            FILE_ANY_ACCESS)
+
+#endif  // #ifndef _IOCTLS_H
+
+
diff --git a/drivers/staging/winbond/linux/common.h b/drivers/staging/winbond/linux/common.h
new file mode 100644
index 00000000000..6b00bad74f7
--- /dev/null
+++ b/drivers/staging/winbond/linux/common.h
@@ -0,0 +1,143 @@
+//
+// common.h
+//
+// This file contains the OS dependant definition and function.
+// Every OS has this file individual.
+//
+
+#define DebugUsbdStatusInformation( _A )
+
+#ifndef COMMON_DEF
+#define COMMON_DEF
+
+#include <linux/version.h>
+#include <linux/usb.h>
+#include <linux/kernel.h> //need for kernel alert
+#include <linux/autoconf.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
+#include <linux/slab.h> //memory allocate
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>//need for init and exit modules marco
+#include <linux/ctype.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/wireless.h>
+#include <linux/if_arp.h>
+#include <asm/uaccess.h>
+#include <net/iw_handler.h>
+#include <linux/skbuff.h>
+
+
+//#define DEBUG_ENABLED  1
+
+
+
+//===============================================================
+// Common type definition
+//===============================================================
+
+typedef u8*            PUCHAR;
+typedef s8*            PCHAR;
+typedef u8*            PBOOLEAN;
+typedef u16*           PUSHORT;
+typedef u32*           PULONG;
+typedef s16*   PSHORT;
+
+
+//===========================================
+#define IGNORE      2
+#define	SUCCESS     1
+#define	FAILURE     0
+
+
+#ifndef true
+#define true        1
+#endif
+
+#ifndef false
+#define false       0
+#endif
+
+// PD43 20021108
+#ifndef TRUE
+#define TRUE        1
+#endif
+
+#ifndef FALSE
+#define FALSE       0
+#endif
+
+#define STATUS_MEDIA_CONNECT 1
+#define STATUS_MEDIA_DISCONNECT 0
+
+#ifndef BIT
+#define BIT(x)                  (1 << (x))
+#endif
+
+typedef struct urb * PURB;
+
+
+
+//==================================================================================================
+// Common function definition
+//==================================================================================================
+#ifndef abs
+#define abs(_T)							((_T) < 0 ? -_T : _T)
+#endif
+#define DEBUG_ENABLED
+#define ETH_LENGTH_OF_ADDRESS	6
+#ifdef DEBUG_ENABLED
+#define WBDEBUG( _M )	printk _M
+#else
+#define WBDEBUG( _M )	0
+#endif
+
+#define OS_DISCONNECTED	0
+#define OS_CONNECTED	1
+
+
+#define OS_EVENT_INDICATE( _A, _B, _F )
+#define OS_PMKID_STATUS_EVENT( _A )
+
+
+/* Uff, no, longs are not atomic on all architectures Linux
+ * supports. This should really use atomic_t */
+
+#define OS_ATOMIC			u32
+#define OS_ATOMIC_READ( _A, _V )	_V
+#define OS_ATOMIC_INC( _A, _V )		EncapAtomicInc( _A, (void*)_V )
+#define OS_ATOMIC_DEC( _A, _V )		EncapAtomicDec( _A, (void*)_V )
+#define OS_MEMORY_CLEAR( _A, _S )	memset( (PUCHAR)_A,0,_S)
+#define OS_MEMORY_COMPARE( _A, _B, _S )	(memcmp(_A,_B,_S)? 0 : 1) // Definition is reverse with Ndis 1: the same 0: different
+
+
+#define OS_SPIN_LOCK				spinlock_t
+#define OS_SPIN_LOCK_ALLOCATE( _S )		spin_lock_init( _S );
+#define OS_SPIN_LOCK_FREE( _S )
+#define OS_SPIN_LOCK_ACQUIRED( _S )		spin_lock_irq( _S )
+#define OS_SPIN_LOCK_RELEASED( _S )		spin_unlock_irq( _S );
+
+#define OS_TIMER	struct timer_list
+#define OS_TIMER_INITIAL( _T, _F, _P )			\
+{							\
+	init_timer( _T );				\
+	(_T)->function = (void *)_F##_1a;		\
+	(_T)->data = (unsigned long)_P;			\
+}
+
+// _S : Millisecond
+// 20060420 At least 1 large than jiffies
+#define OS_TIMER_SET( _T, _S )					\
+{								\
+	(_T)->expires = jiffies + ((_S*HZ+999)/1000);\
+	add_timer( _T );					\
+}
+#define OS_TIMER_CANCEL( _T, _B )		del_timer_sync( _T )
+#define OS_TIMER_GET_SYS_TIME( _T )		(*_T=jiffies)
+
+
+#endif // COMMON_DEF
+
diff --git a/drivers/staging/winbond/linux/sysdef.h b/drivers/staging/winbond/linux/sysdef.h
new file mode 100644
index 00000000000..d46d63e5c67
--- /dev/null
+++ b/drivers/staging/winbond/linux/sysdef.h
@@ -0,0 +1,73 @@
+
+
+//
+// Winbond WLAN System Configuration defines
+//
+
+//=====================================================================
+// Current directory is Linux
+// The definition WB_LINUX is a keyword for this OS
+//=====================================================================
+#ifndef SYS_DEF_H
+#define SYS_DEF_H
+#define WB_LINUX
+#define WB_LINUX_WPA_PSK
+
+
+//#define _IBSS_BEACON_SEQ_STICK_
+#define _USE_FALLBACK_RATE_
+//#define ANTDIV_DEFAULT_ON
+
+#define _WPA2_	// 20061122 It's needed for current Linux driver
+
+
+#ifndef _WPA_PSK_DEBUG
+#undef  _WPA_PSK_DEBUG
+#endif
+
+// debug print options, mark what debug you don't need
+
+#ifdef FULL_DEBUG
+#define _PE_STATE_DUMP_
+#define _PE_TX_DUMP_
+#define _PE_RX_DUMP_
+#define _PE_OID_DUMP_
+#define _PE_DTO_DUMP_
+#define _PE_REG_DUMP_
+#define _PE_USB_INI_DUMP_
+#endif
+
+
+
+#include "common.h"	// Individual file depends on OS
+
+#include "../wb35_ver.h"
+#include "../mac_structures.h"
+#include "../ds_tkip.h"
+#include "../localpara.h"
+#include "../sme_s.h"
+#include "../scan_s.h"
+#include "../mds_s.h"
+#include "../mlme_s.h"
+#include "../bssdscpt.h"
+#include "../sme_api.h"
+#include "../gl_80211.h"
+#include "../mto.h"
+#include "../wblinux_s.h"
+#include "../wbhal_s.h"
+
+
+#include "../adapter.h"
+
+#include "../mlme_mib.h"
+#include "../mds_f.h"
+#include "../bss_f.h"
+#include "../mlmetxrx_f.h"
+#include "../mto_f.h"
+#include "../wbhal_f.h"
+#include "../wblinux_f.h"
+// Kernel Timer resolution, NDIS is 10ms, 10000us
+#define MIN_TIMEOUT_VAL	(10) //ms
+
+
+#endif
diff --git a/drivers/staging/winbond/linux/wb35reg.c b/drivers/staging/winbond/linux/wb35reg.c
new file mode 100644
index 00000000000..2c0b454e8ca
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35reg.c
@@ -0,0 +1,747 @@
+#include "sysdef.h"
+
+extern void phy_calibration_winbond(hw_data_t *phw_data, u32 frequency);
+
+// TRUE  : read command process successfully
+// FALSE : register not support
+// RegisterNo : start base
+// pRegisterData : data point
+// NumberOfData : number of register data
+// Flag : AUTO_INCREMENT - RegisterNo will auto increment 4
+//		  NO_INCREMENT - Function will write data into the same register
+unsigned char
+Wb35Reg_BurstWrite(phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterData, u8 NumberOfData, u8 Flag)
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+	PURB		pUrb = NULL;
+	PREG_QUEUE	pRegQueue = NULL;
+	u16		UrbSize;
+	struct      usb_ctrlrequest *dr;
+	u16		i, DataSize = NumberOfData*4;
+
+	// Module shutdown
+	if (pHwData->SurpriseRemove)
+		return FALSE;
+
+	// Trying to use burst write function if use new hardware
+	UrbSize = sizeof(REG_QUEUE) + DataSize + sizeof(struct usb_ctrlrequest);
+	OS_MEMORY_ALLOC( (void* *)&pRegQueue, UrbSize );
+	pUrb = wb_usb_alloc_urb(0);
+	if( pUrb && pRegQueue ) {
+		pRegQueue->DIRECT = 2;// burst write register
+		pRegQueue->INDEX = RegisterNo;
+		pRegQueue->pBuffer = (PULONG)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		memcpy( pRegQueue->pBuffer, pRegisterData, DataSize );
+		//the function for reversing register data from little endian to big endian
+		for( i=0; i<NumberOfData ; i++ )
+			pRegQueue->pBuffer[i] = cpu_to_le32( pRegQueue->pBuffer[i] );
+
+		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE) + DataSize);
+		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
+		dr->bRequest = 0x04; // USB or vendor-defined request code, burst mode
+		dr->wValue = cpu_to_le16( Flag ); // 0: Register number auto-increment, 1: No auto increment
+		dr->wIndex = cpu_to_le16( RegisterNo );
+		dr->wLength = cpu_to_le16( DataSize );
+		pRegQueue->Next = NULL;
+		pRegQueue->pUsbReq = dr;
+		pRegQueue->pUrb = pUrb;
+
+		OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+		if (pWb35Reg->pRegFirst == NULL)
+			pWb35Reg->pRegFirst = pRegQueue;
+		else
+			pWb35Reg->pRegLast->Next = pRegQueue;
+		pWb35Reg->pRegLast = pRegQueue;
+
+		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+
+		// Start EP0VM
+		Wb35Reg_EP0VM_start(pHwData);
+
+		return TRUE;
+	} else {
+		if (pUrb)
+			usb_free_urb(pUrb);
+		if (pRegQueue)
+			kfree(pRegQueue);
+		return FALSE;
+	}
+   return FALSE;
+}
+
+void
+Wb35Reg_Update(phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	switch (RegisterNo) {
+	case 0x3b0: pWb35Reg->U1B0 = RegisterValue; break;
+	case 0x3bc: pWb35Reg->U1BC_LEDConfigure = RegisterValue; break;
+	case 0x400: pWb35Reg->D00_DmaControl = RegisterValue; break;
+	case 0x800: pWb35Reg->M00_MacControl = RegisterValue; break;
+	case 0x804: pWb35Reg->M04_MulticastAddress1 = RegisterValue; break;
+	case 0x808: pWb35Reg->M08_MulticastAddress2 = RegisterValue; break;
+	case 0x824: pWb35Reg->M24_MacControl = RegisterValue; break;
+	case 0x828: pWb35Reg->M28_MacControl = RegisterValue; break;
+	case 0x82c: pWb35Reg->M2C_MacControl = RegisterValue; break;
+	case 0x838: pWb35Reg->M38_MacControl = RegisterValue; break;
+	case 0x840: pWb35Reg->M40_MacControl = RegisterValue; break;
+	case 0x844: pWb35Reg->M44_MacControl = RegisterValue; break;
+	case 0x848: pWb35Reg->M48_MacControl = RegisterValue; break;
+	case 0x84c: pWb35Reg->M4C_MacStatus = RegisterValue; break;
+	case 0x860: pWb35Reg->M60_MacControl = RegisterValue; break;
+	case 0x868: pWb35Reg->M68_MacControl = RegisterValue; break;
+	case 0x870: pWb35Reg->M70_MacControl = RegisterValue; break;
+	case 0x874: pWb35Reg->M74_MacControl = RegisterValue; break;
+	case 0x878: pWb35Reg->M78_ERPInformation = RegisterValue; break;
+	case 0x87C: pWb35Reg->M7C_MacControl = RegisterValue; break;
+	case 0x880: pWb35Reg->M80_MacControl = RegisterValue; break;
+	case 0x884: pWb35Reg->M84_MacControl = RegisterValue; break;
+	case 0x888: pWb35Reg->M88_MacControl = RegisterValue; break;
+	case 0x898: pWb35Reg->M98_MacControl = RegisterValue; break;
+	case 0x100c: pWb35Reg->BB0C = RegisterValue; break;
+	case 0x102c: pWb35Reg->BB2C = RegisterValue; break;
+	case 0x1030: pWb35Reg->BB30 = RegisterValue; break;
+	case 0x103c: pWb35Reg->BB3C = RegisterValue; break;
+	case 0x1048: pWb35Reg->BB48 = RegisterValue; break;
+	case 0x104c: pWb35Reg->BB4C = RegisterValue; break;
+	case 0x1050: pWb35Reg->BB50 = RegisterValue; break;
+	case 0x1054: pWb35Reg->BB54 = RegisterValue; break;
+	case 0x1058: pWb35Reg->BB58 = RegisterValue; break;
+	case 0x105c: pWb35Reg->BB5C = RegisterValue; break;
+	case 0x1060: pWb35Reg->BB60 = RegisterValue; break;
+	}
+}
+
+// TRUE  : read command process successfully
+// FALSE : register not support
+unsigned char
+Wb35Reg_WriteSync(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+	int ret = -1;
+
+	// Module shutdown
+	if (pHwData->SurpriseRemove)
+		return FALSE;
+
+	RegisterValue = cpu_to_le32(RegisterValue);
+
+	// update the register by send usb message------------------------------------
+	pWb35Reg->SyncIoPause = 1;
+
+	// 20060717.5 Wait until EP0VM stop
+	while (pWb35Reg->EP0vm_state != VM_STOP)
+		OS_SLEEP(10000);
+
+	// Sync IoCallDriver
+	pWb35Reg->EP0vm_state = VM_RUNNING;
+	ret = usb_control_msg( pHwData->WbUsb.udev,
+			       usb_sndctrlpipe( pHwData->WbUsb.udev, 0 ),
+			       0x03, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
+			       0x0,RegisterNo, &RegisterValue, 4, HZ*100 );
+	pWb35Reg->EP0vm_state = VM_STOP;
+	pWb35Reg->SyncIoPause = 0;
+
+	Wb35Reg_EP0VM_start(pHwData);
+
+	if (ret < 0) {
+		#ifdef _PE_REG_DUMP_
+		WBDEBUG(("EP0 Write register usb message sending error\n"));
+		#endif
+
+		pHwData->SurpriseRemove = 1; // 20060704.2
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+// TRUE  : read command process successfully
+// FALSE : register not support
+unsigned char
+Wb35Reg_Write(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	struct usb_ctrlrequest *dr;
+	PURB		pUrb = NULL;
+	PREG_QUEUE	pRegQueue = NULL;
+	u16		UrbSize;
+
+
+	// Module shutdown
+	if (pHwData->SurpriseRemove)
+		return FALSE;
+
+	// update the register by send urb request------------------------------------
+	UrbSize = sizeof(REG_QUEUE) + sizeof(struct usb_ctrlrequest);
+	OS_MEMORY_ALLOC( (void* *)&pRegQueue, UrbSize );
+	pUrb = wb_usb_alloc_urb(0);
+	if (pUrb && pRegQueue) {
+		pRegQueue->DIRECT = 1;// burst write register
+		pRegQueue->INDEX = RegisterNo;
+		pRegQueue->VALUE = cpu_to_le32(RegisterValue);
+		pRegQueue->RESERVED_VALID = FALSE;
+		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE;
+		dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode
+		dr->wValue = cpu_to_le16(0x0);
+		dr->wIndex = cpu_to_le16(RegisterNo);
+		dr->wLength = cpu_to_le16(4);
+
+		// Enter the sending queue
+		pRegQueue->Next = NULL;
+		pRegQueue->pUsbReq = dr;
+		pRegQueue->pUrb = pUrb;
+
+		OS_SPIN_LOCK_ACQUIRED(&pWb35Reg->EP0VM_spin_lock );
+		if (pWb35Reg->pRegFirst == NULL)
+			pWb35Reg->pRegFirst = pRegQueue;
+		else
+			pWb35Reg->pRegLast->Next = pRegQueue;
+		pWb35Reg->pRegLast = pRegQueue;
+
+		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+
+		// Start EP0VM
+		Wb35Reg_EP0VM_start(pHwData);
+
+		return TRUE;
+	} else {
+		if (pUrb)
+			usb_free_urb(pUrb);
+		kfree(pRegQueue);
+		return FALSE;
+	}
+}
+
+//This command will be executed with a user defined value. When it completes,
+//this value is useful. For example, hal_set_current_channel will use it.
+// TRUE  : read command process successfully
+// FALSE : register not support
+unsigned char
+Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue,
+				PCHAR pValue, s8 Len)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	struct usb_ctrlrequest *dr;
+	PURB		pUrb = NULL;
+	PREG_QUEUE	pRegQueue = NULL;
+	u16		UrbSize;
+
+	// Module shutdown
+	if (pHwData->SurpriseRemove)
+		return FALSE;
+
+	// update the register by send urb request------------------------------------
+	UrbSize = sizeof(REG_QUEUE) + sizeof(struct usb_ctrlrequest);
+	OS_MEMORY_ALLOC((void* *) &pRegQueue, UrbSize );
+	pUrb = wb_usb_alloc_urb(0);
+	if (pUrb && pRegQueue) {
+		pRegQueue->DIRECT = 1;// burst write register
+		pRegQueue->INDEX = RegisterNo;
+		pRegQueue->VALUE = cpu_to_le32(RegisterValue);
+		//NOTE : Users must guarantee the size of value will not exceed the buffer size.
+		memcpy(pRegQueue->RESERVED, pValue, Len);
+		pRegQueue->RESERVED_VALID = TRUE;
+		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE;
+		dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode
+		dr->wValue = cpu_to_le16(0x0);
+		dr->wIndex = cpu_to_le16(RegisterNo);
+		dr->wLength = cpu_to_le16(4);
+
+		// Enter the sending queue
+		pRegQueue->Next = NULL;
+		pRegQueue->pUsbReq = dr;
+		pRegQueue->pUrb = pUrb;
+		OS_SPIN_LOCK_ACQUIRED (&pWb35Reg->EP0VM_spin_lock );
+		if( pWb35Reg->pRegFirst == NULL )
+			pWb35Reg->pRegFirst = pRegQueue;
+		else
+			pWb35Reg->pRegLast->Next = pRegQueue;
+		pWb35Reg->pRegLast = pRegQueue;
+
+		OS_SPIN_LOCK_RELEASED ( &pWb35Reg->EP0VM_spin_lock );
+
+		// Start EP0VM
+		Wb35Reg_EP0VM_start(pHwData);
+		return TRUE;
+	} else {
+		if (pUrb)
+			usb_free_urb(pUrb);
+		kfree(pRegQueue);
+		return FALSE;
+	}
+}
+
+// TRUE  : read command process successfully
+// FALSE : register not support
+// pRegisterValue : It must be a resident buffer due to asynchronous read register.
+unsigned char
+Wb35Reg_ReadSync(  phw_data_t pHwData,  u16 RegisterNo,   PULONG pRegisterValue )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+	PULONG	pltmp = pRegisterValue;
+	int ret = -1;
+
+	// Module shutdown
+	if (pHwData->SurpriseRemove)
+		return FALSE;
+
+	// Read the register by send usb message------------------------------------
+
+	pWb35Reg->SyncIoPause = 1;
+
+	// 20060717.5 Wait until EP0VM stop
+	while (pWb35Reg->EP0vm_state != VM_STOP)
+		OS_SLEEP(10000);
+
+	pWb35Reg->EP0vm_state = VM_RUNNING;
+	ret = usb_control_msg( pHwData->WbUsb.udev,
+			       usb_rcvctrlpipe(pHwData->WbUsb.udev, 0),
+			       0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
+			       0x0, RegisterNo, pltmp, 4, HZ*100 );
+
+	*pRegisterValue = cpu_to_le32(*pltmp);
+
+	pWb35Reg->EP0vm_state = VM_STOP;
+
+	Wb35Reg_Update( pHwData, RegisterNo, *pRegisterValue );
+	pWb35Reg->SyncIoPause = 0;
+
+	Wb35Reg_EP0VM_start( pHwData );
+
+	if (ret < 0) {
+		#ifdef _PE_REG_DUMP_
+		WBDEBUG(("EP0 Read register usb message sending error\n"));
+		#endif
+
+		pHwData->SurpriseRemove = 1; // 20060704.2
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+// TRUE  : read command process successfully
+// FALSE : register not support
+// pRegisterValue : It must be a resident buffer due to asynchronous read register.
+unsigned char
+Wb35Reg_Read(phw_data_t pHwData, u16 RegisterNo,  PULONG pRegisterValue )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	struct usb_ctrlrequest * dr;
+	PURB		pUrb;
+	PREG_QUEUE	pRegQueue;
+	u16		UrbSize;
+
+	// Module shutdown
+	if (pHwData->SurpriseRemove)
+		return FALSE;
+
+	// update the variable by send Urb to read register ------------------------------------
+	UrbSize = sizeof(REG_QUEUE) + sizeof(struct usb_ctrlrequest);
+	OS_MEMORY_ALLOC( (void* *)&pRegQueue, UrbSize );
+	pUrb = wb_usb_alloc_urb(0);
+	if( pUrb && pRegQueue )
+	{
+		pRegQueue->DIRECT = 0;// read register
+		pRegQueue->INDEX = RegisterNo;
+		pRegQueue->pBuffer = pRegisterValue;
+		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		dr->bRequestType = USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN;
+		dr->bRequest = 0x01; // USB or vendor-defined request code, burst mode
+		dr->wValue = cpu_to_le16(0x0);
+		dr->wIndex = cpu_to_le16 (RegisterNo);
+		dr->wLength = cpu_to_le16 (4);
+
+		// Enter the sending queue
+		pRegQueue->Next = NULL;
+		pRegQueue->pUsbReq = dr;
+		pRegQueue->pUrb = pUrb;
+		OS_SPIN_LOCK_ACQUIRED ( &pWb35Reg->EP0VM_spin_lock );
+		if( pWb35Reg->pRegFirst == NULL )
+			pWb35Reg->pRegFirst = pRegQueue;
+		else
+			pWb35Reg->pRegLast->Next = pRegQueue;
+		pWb35Reg->pRegLast = pRegQueue;
+
+		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+
+		// Start EP0VM
+		Wb35Reg_EP0VM_start( pHwData );
+
+		return TRUE;
+	} else {
+		if (pUrb)
+			usb_free_urb( pUrb );
+		kfree(pRegQueue);
+		return FALSE;
+	}
+}
+
+
+void
+Wb35Reg_EP0VM_start(  phw_data_t pHwData )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+
+	if (OS_ATOMIC_INC( pHwData->Adapter, &pWb35Reg->RegFireCount) == 1) {
+		pWb35Reg->EP0vm_state = VM_RUNNING;
+		Wb35Reg_EP0VM(pHwData);
+	} else
+		OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Reg->RegFireCount );
+}
+
+void
+Wb35Reg_EP0VM(phw_data_t pHwData )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	PURB		pUrb;
+	struct usb_ctrlrequest *dr;
+	PULONG		pBuffer;
+	int			ret = -1;
+	PREG_QUEUE	pRegQueue;
+
+
+	if (pWb35Reg->SyncIoPause)
+		goto cleanup;
+
+	if (pHwData->SurpriseRemove)
+		goto cleanup;
+
+	// Get the register data and send to USB through Irp
+	OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+	pRegQueue = pWb35Reg->pRegFirst;
+	OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+
+	if (!pRegQueue)
+		goto cleanup;
+
+	// Get an Urb, send it
+	pUrb = (PURB)pRegQueue->pUrb;
+
+	dr = pRegQueue->pUsbReq;
+	pUrb = pRegQueue->pUrb;
+	pBuffer = pRegQueue->pBuffer;
+	if (pRegQueue->DIRECT == 1) // output
+		pBuffer = &pRegQueue->VALUE;
+
+	usb_fill_control_urb( pUrb, pHwData->WbUsb.udev,
+			      REG_DIRECTION(pHwData->WbUsb.udev,pRegQueue),
+			      (PUCHAR)dr,pBuffer,cpu_to_le16(dr->wLength),
+			      Wb35Reg_EP0VM_complete, (void*)pHwData);
+
+	pWb35Reg->EP0vm_state = VM_RUNNING;
+
+	ret = wb_usb_submit_urb( pUrb );
+
+	if (ret < 0) {
+#ifdef _PE_REG_DUMP_
+		WBDEBUG(("EP0 Irp sending error\n"));
+#endif
+		goto cleanup;
+	}
+
+	return;
+
+ cleanup:
+	pWb35Reg->EP0vm_state = VM_STOP;
+	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Reg->RegFireCount );
+}
+
+
+void
+Wb35Reg_EP0VM_complete(PURB pUrb)
+{
+	phw_data_t  pHwData = (phw_data_t)pUrb->context;
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	PREG_QUEUE	pRegQueue;
+
+
+	// Variable setting
+	pWb35Reg->EP0vm_state = VM_COMPLETED;
+	pWb35Reg->EP0VM_status = pUrb->status;
+
+	if (pHwData->SurpriseRemove) { // Let WbWlanHalt to handle surprise remove
+		pWb35Reg->EP0vm_state = VM_STOP;
+		OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Reg->RegFireCount );
+	} else {
+		// Complete to send, remove the URB from the first
+		OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+		pRegQueue = pWb35Reg->pRegFirst;
+		if (pRegQueue == pWb35Reg->pRegLast)
+			pWb35Reg->pRegLast = NULL;
+		pWb35Reg->pRegFirst = pWb35Reg->pRegFirst->Next;
+		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+
+		if (pWb35Reg->EP0VM_status) {
+#ifdef _PE_REG_DUMP_
+			WBDEBUG(("EP0 IoCompleteRoutine return error\n"));
+			DebugUsbdStatusInformation( pWb35Reg->EP0VM_status );
+#endif
+			pWb35Reg->EP0vm_state = VM_STOP;
+			pHwData->SurpriseRemove = 1;
+		} else {
+			// Success. Update the result
+
+			// Start the next send
+			Wb35Reg_EP0VM(pHwData);
+		}
+
+   		kfree(pRegQueue);
+	}
+
+	usb_free_urb(pUrb);
+}
+
+
+void
+Wb35Reg_destroy(phw_data_t pHwData)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	PURB		pUrb;
+	PREG_QUEUE	pRegQueue;
+
+
+	Uxx_power_off_procedure(pHwData);
+
+	// Wait for Reg operation completed
+	do {
+		OS_SLEEP(10000); // Delay for waiting function enter 940623.1.a
+	} while (pWb35Reg->EP0vm_state != VM_STOP);
+	OS_SLEEP(10000);  // Delay for waiting function enter 940623.1.b
+
+	// Release all the data in RegQueue
+	OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+	pRegQueue = pWb35Reg->pRegFirst;
+	while (pRegQueue) {
+		if (pRegQueue == pWb35Reg->pRegLast)
+			pWb35Reg->pRegLast = NULL;
+		pWb35Reg->pRegFirst = pWb35Reg->pRegFirst->Next;
+
+		pUrb = pRegQueue->pUrb;
+		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+		if (pUrb) {
+			usb_free_urb(pUrb);
+			kfree(pRegQueue);
+		} else {
+			#ifdef _PE_REG_DUMP_
+			WBDEBUG(("EP0 queue release error\n"));
+			#endif
+		}
+		OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+
+		pRegQueue = pWb35Reg->pRegFirst;
+	}
+	OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+
+	// Free resource
+	OS_SPIN_LOCK_FREE(  &pWb35Reg->EP0VM_spin_lock );
+}
+
+//====================================================================================
+// The function can be run in passive-level only.
+//====================================================================================
+unsigned char Wb35Reg_initial(phw_data_t pHwData)
+{
+	PWB35REG pWb35Reg=&pHwData->Wb35Reg;
+	u32 ltmp;
+	u32 SoftwareSet, VCO_trim, TxVga, Region_ScanInterval;
+
+	// Spin lock is acquired for read and write IRP command
+	OS_SPIN_LOCK_ALLOCATE( &pWb35Reg->EP0VM_spin_lock );
+
+	// Getting RF module type from EEPROM ------------------------------------
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x080d0000 ); // Start EEPROM access + Read + address(0x0d)
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
+
+	//Update RF module type and determine the PHY type by inf or EEPROM
+	pWb35Reg->EEPROMPhyType = (u8)( ltmp & 0xff );
+	// 0 V MAX2825, 1 V MAX2827, 2 V MAX2828, 3 V MAX2829
+	// 16V AL2230, 17 - AL7230, 18 - AL2230S
+	// 32 Reserved
+	// 33 - W89RF242(TxVGA 0~19), 34 - W89RF242(TxVGA 0~34)
+	if (pWb35Reg->EEPROMPhyType != RF_DECIDE_BY_INF) {
+		if( (pWb35Reg->EEPROMPhyType == RF_MAXIM_2825)	||
+			(pWb35Reg->EEPROMPhyType == RF_MAXIM_2827)	||
+			(pWb35Reg->EEPROMPhyType == RF_MAXIM_2828)	||
+			(pWb35Reg->EEPROMPhyType == RF_MAXIM_2829)	||
+			(pWb35Reg->EEPROMPhyType == RF_MAXIM_V1)	||
+			(pWb35Reg->EEPROMPhyType == RF_AIROHA_2230)	||
+			(pWb35Reg->EEPROMPhyType == RF_AIROHA_2230S)    ||
+			(pWb35Reg->EEPROMPhyType == RF_AIROHA_7230)	||
+			(pWb35Reg->EEPROMPhyType == RF_WB_242)		||
+			(pWb35Reg->EEPROMPhyType == RF_WB_242_1))
+			pHwData->phy_type = pWb35Reg->EEPROMPhyType;
+	}
+
+	// Power On procedure running. The relative parameter will be set according to phy_type
+	Uxx_power_on_procedure( pHwData );
+
+	// Reading MAC address
+	Uxx_ReadEthernetAddress( pHwData );
+
+	// Read VCO trim for RF parameter
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08200000 );
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &VCO_trim );
+
+	// Read Antenna On/Off of software flag
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08210000 );
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &SoftwareSet );
+
+	// Read TXVGA
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08100000 );
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &TxVga );
+
+	// Get Scan interval setting from EEPROM offset 0x1c
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x081d0000 );
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &Region_ScanInterval );
+
+	// Update Ethernet address
+	memcpy( pHwData->CurrentMacAddress, pHwData->PermanentMacAddress, ETH_LENGTH_OF_ADDRESS );
+
+	// Update software variable
+	pHwData->SoftwareSet = (u16)(SoftwareSet & 0xffff);
+	TxVga &= 0x000000ff;
+	pHwData->PowerIndexFromEEPROM = (u8)TxVga;
+	pHwData->VCO_trim = (u8)VCO_trim & 0xff;
+	if (pHwData->VCO_trim == 0xff)
+		pHwData->VCO_trim = 0x28;
+
+	pWb35Reg->EEPROMRegion = (u8)(Region_ScanInterval>>8); // 20060720
+	if( pWb35Reg->EEPROMRegion<1 || pWb35Reg->EEPROMRegion>6 )
+		pWb35Reg->EEPROMRegion = REGION_AUTO;
+
+	//For Get Tx VGA from EEPROM 20060315.5 move here
+	GetTxVgaFromEEPROM( pHwData );
+
+	// Set Scan Interval
+	pHwData->Scan_Interval = (u8)(Region_ScanInterval & 0xff) * 10;
+	if ((pHwData->Scan_Interval == 2550) || (pHwData->Scan_Interval < 10)) // Is default setting 0xff * 10
+		pHwData->Scan_Interval = SCAN_MAX_CHNL_TIME;
+
+	// Initial register
+	RFSynthesizer_initial(pHwData);
+
+	BBProcessor_initial(pHwData); // Async write, must wait until complete
+
+	Wb35Reg_phy_calibration(pHwData);
+
+	Mxx_initial(pHwData);
+	Dxx_initial(pHwData);
+
+	if (pHwData->SurpriseRemove)
+		return FALSE;
+	else
+		return TRUE; // Initial fail
+}
+
+//===================================================================================
+//  CardComputeCrc --
+//
+//  Description:
+//    Runs the AUTODIN II CRC algorithm on buffer Buffer of length, Length.
+//
+//  Arguments:
+//    Buffer - the input buffer
+//    Length - the length of Buffer
+//
+//  Return Value:
+//    The 32-bit CRC value.
+//
+//  Note:
+//    This is adapted from the comments in the assembly language
+//    version in _GENREQ.ASM of the DWB NE1000/2000 driver.
+//==================================================================================
+u32
+CardComputeCrc(PUCHAR Buffer, u32 Length)
+{
+    u32 Crc, Carry;
+    u32  i, j;
+    u8 CurByte;
+
+    Crc = 0xffffffff;
+
+    for (i = 0; i < Length; i++) {
+
+        CurByte = Buffer[i];
+
+        for (j = 0; j < 8; j++) {
+
+            Carry     = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01);
+            Crc     <<= 1;
+            CurByte >>= 1;
+
+            if (Carry) {
+                Crc =(Crc ^ 0x04c11db6) | Carry;
+            }
+        }
+    }
+
+    return Crc;
+}
+
+
+//==================================================================
+// BitReverse --
+//   Reverse the bits in the input argument, dwData, which is
+//   regarded as a string of bits with the length, DataLength.
+//
+// Arguments:
+//   dwData     :
+//   DataLength :
+//
+// Return:
+//   The converted value.
+//==================================================================
+u32 BitReverse( u32 dwData, u32 DataLength)
+{
+	u32   HalfLength, i, j;
+	u32   BitA, BitB;
+
+	if ( DataLength <= 0)       return 0;   // No conversion is done.
+	dwData = dwData & (0xffffffff >> (32 - DataLength));
+
+	HalfLength = DataLength / 2;
+	for ( i = 0, j = DataLength-1 ; i < HalfLength; i++, j--)
+	{
+		BitA = GetBit( dwData, i);
+		BitB = GetBit( dwData, j);
+		if (BitA && !BitB) {
+			dwData = ClearBit( dwData, i);
+			dwData = SetBit( dwData, j);
+		} else if (!BitA && BitB) {
+			dwData = SetBit( dwData, i);
+			dwData = ClearBit( dwData, j);
+		} else
+		{
+			// Do nothing since these two bits are of the save values.
+		}
+	}
+
+	return dwData;
+}
+
+void Wb35Reg_phy_calibration(  phw_data_t pHwData )
+{
+	u32 BB3c, BB54;
+
+	if ((pHwData->phy_type == RF_WB_242) ||
+		(pHwData->phy_type == RF_WB_242_1)) {
+		phy_calibration_winbond ( pHwData, 2412 ); // Sync operation
+		Wb35Reg_ReadSync( pHwData, 0x103c, &BB3c );
+		Wb35Reg_ReadSync( pHwData, 0x1054, &BB54 );
+
+		pHwData->BB3c_cal = BB3c;
+		pHwData->BB54_cal = BB54;
+
+		RFSynthesizer_initial(pHwData);
+		BBProcessor_initial(pHwData); // Async operation
+
+		Wb35Reg_WriteSync( pHwData, 0x103c, BB3c );
+		Wb35Reg_WriteSync( pHwData, 0x1054, BB54 );
+	}
+}
+
+
diff --git a/drivers/staging/winbond/linux/wb35reg_f.h b/drivers/staging/winbond/linux/wb35reg_f.h
new file mode 100644
index 00000000000..38e2906b51a
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35reg_f.h
@@ -0,0 +1,56 @@
+//====================================
+// Interface function declare
+//====================================
+unsigned char Wb35Reg_initial(  phw_data_t pHwData );
+void Uxx_power_on_procedure(  phw_data_t pHwData );
+void Uxx_power_off_procedure(  phw_data_t pHwData );
+void Uxx_ReadEthernetAddress(  phw_data_t pHwData );
+void Dxx_initial(  phw_data_t pHwData );
+void Mxx_initial(  phw_data_t pHwData );
+void RFSynthesizer_initial(  phw_data_t pHwData );
+//void RFSynthesizer_SwitchingChannel(  phw_data_t pHwData,  s8 Channel );
+void RFSynthesizer_SwitchingChannel(  phw_data_t pHwData,  ChanInfo Channel );
+void BBProcessor_initial(  phw_data_t pHwData );
+void BBProcessor_RateChanging(  phw_data_t pHwData,  u8 rate ); // 20060613.1
+//void RF_RateChanging(  phw_data_t pHwData,  u8 rate ); // 20060626.5.c Add
+u8 RFSynthesizer_SetPowerIndex(  phw_data_t pHwData,  u8 PowerIndex );
+u8 RFSynthesizer_SetMaxim2828_24Power(  phw_data_t,  u8 index );
+u8 RFSynthesizer_SetMaxim2828_50Power(  phw_data_t,  u8 index );
+u8 RFSynthesizer_SetMaxim2827_24Power(  phw_data_t,  u8 index );
+u8 RFSynthesizer_SetMaxim2827_50Power(  phw_data_t,  u8 index );
+u8 RFSynthesizer_SetMaxim2825Power(  phw_data_t,  u8 index );
+u8 RFSynthesizer_SetAiroha2230Power(  phw_data_t,  u8 index );
+u8 RFSynthesizer_SetAiroha7230Power(  phw_data_t,  u8 index );
+u8 RFSynthesizer_SetWinbond242Power(  phw_data_t,  u8 index );
+void GetTxVgaFromEEPROM(  phw_data_t pHwData );
+void EEPROMTxVgaAdjust(  phw_data_t pHwData ); // 20060619.5 Add
+
+#define RFWriteControlData( _A, _V ) Wb35Reg_Write( _A, 0x0864, _V )
+
+void Wb35Reg_destroy(  phw_data_t pHwData );
+
+unsigned char Wb35Reg_Read(  phw_data_t pHwData,  u16 RegisterNo,   PULONG pRegisterValue );
+unsigned char Wb35Reg_ReadSync(  phw_data_t pHwData,  u16 RegisterNo,   PULONG pRegisterValue );
+unsigned char Wb35Reg_Write(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue );
+unsigned char Wb35Reg_WriteSync(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue );
+unsigned char Wb35Reg_WriteWithCallbackValue(  phw_data_t pHwData,
+								 u16 RegisterNo,
+								 u32 RegisterValue,
+								 PCHAR pValue,
+								 s8	Len);
+unsigned char Wb35Reg_BurstWrite(  phw_data_t pHwData,  u16 RegisterNo,  PULONG pRegisterData,  u8 NumberOfData,  u8 Flag );
+
+void Wb35Reg_EP0VM(  phw_data_t pHwData );
+void Wb35Reg_EP0VM_start(  phw_data_t pHwData );
+void Wb35Reg_EP0VM_complete(  PURB pUrb );
+
+u32 BitReverse( u32 dwData, u32 DataLength);
+
+void CardGetMulticastBit(   u8 Address[MAC_ADDR_LENGTH],  u8 *Byte,  u8 *Value );
+u32 CardComputeCrc(  PUCHAR Buffer,  u32 Length );
+
+void Wb35Reg_phy_calibration(  phw_data_t pHwData );
+void Wb35Reg_Update(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue );
+unsigned char adjust_TXVGA_for_iq_mag(  phw_data_t pHwData );
+
+
diff --git a/drivers/staging/winbond/linux/wb35reg_s.h b/drivers/staging/winbond/linux/wb35reg_s.h
new file mode 100644
index 00000000000..a7595b1e733
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35reg_s.h
@@ -0,0 +1,170 @@
+//=======================================================================================
+/*
+				HAL setting function
+
+		========================================
+		|Uxx| 	|Dxx|	|Mxx|	|BB|	|RF|
+		========================================
+			|					|
+		Wb35Reg_Read		Wb35Reg_Write
+
+		----------------------------------------
+				WbUsb_CallUSBDASync					supplied By WbUsb module
+*/
+//=======================================================================================
+
+#define     GetBit( dwData, i)      ( dwData & (0x00000001 << i))
+#define     SetBit( dwData, i)      ( dwData | (0x00000001 << i))
+#define     ClearBit( dwData, i)    ( dwData & ~(0x00000001 << i))
+
+#define		IGNORE_INCREMENT	0
+#define		AUTO_INCREMENT		0
+#define		NO_INCREMENT		1
+#define REG_DIRECTION(_x,_y)   ((_y)->DIRECT ==0 ? usb_rcvctrlpipe(_x,0) : usb_sndctrlpipe(_x,0))
+#define REG_BUF_SIZE(_x)       ((_x)->bRequest== 0x04 ? cpu_to_le16((_x)->wLength) : 4)
+
+// 20060613.2 Add the follow definition
+#define BB48_DEFAULT_AL2230_11B		0x0033447c
+#define BB4C_DEFAULT_AL2230_11B		0x0A00FEFF
+#define BB48_DEFAULT_AL2230_11G		0x00332C1B
+#define BB4C_DEFAULT_AL2230_11G		0x0A00FEFF
+
+
+#define BB48_DEFAULT_WB242_11B		0x00292315	//backoff  2dB
+#define BB4C_DEFAULT_WB242_11B		0x0800FEFF	//backoff  2dB
+//#define BB48_DEFAULT_WB242_11B		0x00201B11	//backoff  4dB
+//#define BB4C_DEFAULT_WB242_11B		0x0600FF00	//backoff  4dB
+#define BB48_DEFAULT_WB242_11G		0x00453B24
+#define BB4C_DEFAULT_WB242_11G		0x0E00FEFF
+
+//====================================
+// Default setting for Mxx
+//====================================
+#define DEFAULT_CWMIN					31		//(M2C) CWmin. Its value is in the range 0-31.
+#define DEFAULT_CWMAX					1023	//(M2C) CWmax. Its value is in the range 0-1023.
+#define DEFAULT_AID						1		//(M34) AID. Its value is in the range 1-2007.
+
+#ifdef _USE_FALLBACK_RATE_
+#define DEFAULT_RATE_RETRY_LIMIT		2		//(M38) as named
+#else
+#define DEFAULT_RATE_RETRY_LIMIT		7		//(M38) as named
+#endif
+
+#define DEFAULT_LONG_RETRY_LIMIT		7		//(M38) LongRetryLimit. Its value is in the range 0-15.
+#define DEFAULT_SHORT_RETRY_LIMIT		7		//(M38) ShortRetryLimit. Its value is in the range 0-15.
+#define DEFAULT_PIFST					25		//(M3C) PIFS Time. Its value is in the range 0-65535.
+#define DEFAULT_EIFST					354		//(M3C) EIFS Time. Its value is in the range 0-1048575.
+#define DEFAULT_DIFST					45		//(M3C) DIFS Time. Its value is in the range 0-65535.
+#define DEFAULT_SIFST					5		//(M3C) SIFS Time. Its value is in the range 0-65535.
+#define DEFAULT_OSIFST					10		//(M3C) Original SIFS Time. Its value is in the range 0-15.
+#define DEFAULT_ATIMWD					0		//(M40) ATIM Window. Its value is in the range 0-65535.
+#define DEFAULT_SLOT_TIME				20		//(M40) ($) SlotTime. Its value is in the range 0-255.
+#define DEFAULT_MAX_TX_MSDU_LIFE_TIME	512	//(M44) MaxTxMSDULifeTime. Its value is in the range 0-4294967295.
+#define DEFAULT_BEACON_INTERVAL			500		//(M48) Beacon Interval. Its value is in the range 0-65535.
+#define DEFAULT_PROBE_DELAY_TIME		200		//(M48) Probe Delay Time. Its value is in the range 0-65535.
+#define DEFAULT_PROTOCOL_VERSION		0		//(M4C)
+#define DEFAULT_MAC_POWER_STATE			2		//(M4C) 2: MAC at power active
+#define DEFAULT_DTIM_ALERT_TIME			0
+
+
+typedef struct _REG_QUEUE
+{
+    struct  urb *pUrb;
+	void*	pUsbReq;
+	void*	Next;
+	union
+	{
+		u32	VALUE;
+		PULONG	pBuffer;
+	};
+	u8	RESERVED[4];// space reserved for communication
+
+    u16	INDEX; // For storing the register index
+    u8	RESERVED_VALID;	//Indicate whether the RESERVED space is valid at this command.
+	u8	DIRECT; // 0:In   1:Out
+
+} REG_QUEUE, *PREG_QUEUE;
+
+//====================================
+// Internal variable for module
+//====================================
+#define MAX_SQ3_FILTER_SIZE		5
+typedef struct _WB35REG
+{
+	//============================
+	// Register Bank backup
+	//============================
+	u32	U1B0;			//bit16 record the h/w radio on/off status
+	u32	U1BC_LEDConfigure;
+	u32	D00_DmaControl;
+	u32	M00_MacControl;
+	union {
+		struct {
+			u32	M04_MulticastAddress1;
+			u32	M08_MulticastAddress2;
+		};
+		u8		Multicast[8];	// contents of card multicast registers
+	};
+
+	u32	M24_MacControl;
+	u32	M28_MacControl;
+	u32	M2C_MacControl;
+	u32	M38_MacControl;
+	u32	M3C_MacControl; // 20060214 backup only
+	u32	M40_MacControl;
+	u32	M44_MacControl; // 20060214 backup only
+	u32	M48_MacControl; // 20060214 backup only
+	u32	M4C_MacStatus;
+	u32	M60_MacControl; // 20060214 backup only
+	u32	M68_MacControl; // 20060214 backup only
+	u32	M70_MacControl; // 20060214 backup only
+	u32	M74_MacControl; // 20060214 backup only
+	u32	M78_ERPInformation;//930206.2.b
+	u32	M7C_MacControl; // 20060214 backup only
+	u32	M80_MacControl; // 20060214 backup only
+	u32	M84_MacControl; // 20060214 backup only
+	u32	M88_MacControl; // 20060214 backup only
+	u32	M98_MacControl; // 20060214 backup only
+
+	//[20040722 WK]
+	//Baseband register
+	u32	BB0C;	// Used for LNA calculation
+	u32	BB2C;	//
+	u32	BB30;	//11b acquisition control register
+	u32	BB3C;
+	u32	BB48;	// 20051221.1.a 20060613.1 Fix OBW issue of 11b/11g rate
+	u32	BB4C;	// 20060613.1  Fix OBW issue of 11b/11g rate
+	u32	BB50;	//mode control register
+	u32	BB54;
+	u32 	BB58;	//IQ_ALPHA
+	u32	BB5C;	// For test
+	u32	BB60;	// for WTO read value
+
+	//-------------------
+	// VM
+	//-------------------
+	OS_SPIN_LOCK	EP0VM_spin_lock; // 4B
+	u32	        EP0VM_status;//$$
+	PREG_QUEUE	    pRegFirst;
+	PREG_QUEUE	    pRegLast;
+	OS_ATOMIC       RegFireCount;
+
+	// Hardware status
+	u8	EP0vm_state;
+	u8	mac_power_save;
+	u8	EEPROMPhyType; // 0 ~ 15 for Maxim (0 Ä„V MAX2825, 1 Ä„V MAX2827, 2 Ä„V MAX2828, 3 Ä„V MAX2829),
+						   // 16 ~ 31 for Airoha (16 Ä„V AL2230, 11 - AL7230)
+						   // 32 ~ Reserved
+						   // 33 ~ 47 For WB242 ( 33 - WB242, 34 - WB242 with new Txvga 0.5 db step)
+						   // 48 ~ 255 ARE RESERVED.
+	u8	EEPROMRegion;	//Region setting in EEPROM
+
+	u32	SyncIoPause; // If user use the Sync Io to access Hw, then pause the async access
+
+	u8	LNAValue[4]; //Table for speed up running
+	u32	SQ3_filter[MAX_SQ3_FILTER_SIZE];
+	u32	SQ3_index;
+
+} WB35REG, *PWB35REG;
+
+
diff --git a/drivers/staging/winbond/linux/wb35rx.c b/drivers/staging/winbond/linux/wb35rx.c
new file mode 100644
index 00000000000..26157eb3d5a
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35rx.c
@@ -0,0 +1,337 @@
+//============================================================================
+//  Copyright (c) 1996-2002 Winbond Electronic Corporation
+//
+//  Module Name:
+//    Wb35Rx.c
+//
+//  Abstract:
+//    Processing the Rx message from down layer
+//
+//============================================================================
+#include "sysdef.h"
+
+
+void Wb35Rx_start(phw_data_t pHwData)
+{
+	PWB35RX pWb35Rx = &pHwData->Wb35Rx;
+
+	// Allow only one thread to run into the Wb35Rx() function
+	if (OS_ATOMIC_INC(pHwData->Adapter, &pWb35Rx->RxFireCounter) == 1) {
+		pWb35Rx->EP3vm_state = VM_RUNNING;
+		Wb35Rx(pHwData);
+	} else
+		OS_ATOMIC_DEC(pHwData->Adapter, &pWb35Rx->RxFireCounter);
+}
+
+// This function cannot reentrain
+void Wb35Rx(  phw_data_t pHwData )
+{
+	PWB35RX	pWb35Rx = &pHwData->Wb35Rx;
+	PUCHAR	pRxBufferAddress;
+	PURB	pUrb = (PURB)pWb35Rx->RxUrb;
+	int	retv;
+	u32	RxBufferId;
+
+	//
+	// Issuing URB
+	//
+	do {
+		if (pHwData->SurpriseRemove || pHwData->HwStop)
+			break;
+
+		if (pWb35Rx->rx_halt)
+			break;
+
+		// Get RxBuffer's ID
+		RxBufferId = pWb35Rx->RxBufferId;
+		if (!pWb35Rx->RxOwner[RxBufferId]) {
+			// It's impossible to run here.
+			#ifdef _PE_RX_DUMP_
+			WBDEBUG(("Rx driver fifo unavailable\n"));
+			#endif
+			break;
+		}
+
+		// Update buffer point, then start to bulkin the data from USB
+		pWb35Rx->RxBufferId++;
+		pWb35Rx->RxBufferId %= MAX_USB_RX_BUFFER_NUMBER;
+
+		pWb35Rx->CurrentRxBufferId = RxBufferId;
+
+		if (1 != OS_MEMORY_ALLOC((void* *)&pWb35Rx->pDRx, MAX_USB_RX_BUFFER)) {
+			printk("w35und: Rx memory alloc failed\n");
+			break;
+		}
+		pRxBufferAddress = pWb35Rx->pDRx;
+
+		usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev,
+				  usb_rcvbulkpipe(pHwData->WbUsb.udev, 3),
+				  pRxBufferAddress, MAX_USB_RX_BUFFER,
+				  Wb35Rx_Complete, pHwData);
+
+		pWb35Rx->EP3vm_state = VM_RUNNING;
+
+		retv = wb_usb_submit_urb(pUrb);
+
+		if (retv != 0) {
+			printk("Rx URB sending error\n");
+			break;
+		}
+		return;
+	} while(FALSE);
+
+	// VM stop
+	pWb35Rx->EP3vm_state = VM_STOP;
+	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter );
+}
+
+void Wb35Rx_Complete(PURB pUrb)
+{
+	phw_data_t	pHwData = pUrb->context;
+	PWB35RX		pWb35Rx = &pHwData->Wb35Rx;
+	PUCHAR		pRxBufferAddress;
+	u32		SizeCheck;
+	u16		BulkLength;
+	u32		RxBufferId;
+	R00_DESCRIPTOR 	R00;
+
+	// Variable setting
+	pWb35Rx->EP3vm_state = VM_COMPLETED;
+	pWb35Rx->EP3VM_status = pUrb->status;//Store the last result of Irp
+
+	do {
+		RxBufferId = pWb35Rx->CurrentRxBufferId;
+
+		pRxBufferAddress = pWb35Rx->pDRx;
+		BulkLength = (u16)pUrb->actual_length;
+
+		// The IRP is completed
+		pWb35Rx->EP3vm_state = VM_COMPLETED;
+
+		if (pHwData->SurpriseRemove || pHwData->HwStop) // Must be here, or RxBufferId is invalid
+			break;
+
+		if (pWb35Rx->rx_halt)
+			break;
+
+		// Start to process the data only in successful condition
+		pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver
+		R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress);
+
+		// The URB is completed, check the result
+		if (pWb35Rx->EP3VM_status != 0) {
+			#ifdef _PE_USB_STATE_DUMP_
+			WBDEBUG(("EP3 IoCompleteRoutine return error\n"));
+			DebugUsbdStatusInformation( pWb35Rx->EP3VM_status );
+			#endif
+			pWb35Rx->EP3vm_state = VM_STOP;
+			break;
+		}
+
+		// 20060220 For recovering. check if operating in single USB mode
+		if (!HAL_USB_MODE_BURST(pHwData)) {
+			SizeCheck = R00.R00_receive_byte_count;  //20060926 anson's endian
+			if ((SizeCheck & 0x03) > 0)
+				SizeCheck -= 4;
+			SizeCheck = (SizeCheck + 3) & ~0x03;
+			SizeCheck += 12; // 8 + 4 badbeef
+			if ((BulkLength > 1600) ||
+				(SizeCheck > 1600) ||
+				(BulkLength != SizeCheck) ||
+				(BulkLength == 0)) { // Add for fail Urb
+				pWb35Rx->EP3vm_state = VM_STOP;
+				pWb35Rx->Ep3ErrorCount2++;
+			}
+		}
+
+		// Indicating the receiving data
+		pWb35Rx->ByteReceived += BulkLength;
+		pWb35Rx->RxBufferSize[ RxBufferId ] = BulkLength;
+
+		if (!pWb35Rx->RxOwner[ RxBufferId ])
+			Wb35Rx_indicate(pHwData);
+
+		kfree(pWb35Rx->pDRx);
+		// Do the next receive
+		Wb35Rx(pHwData);
+		return;
+
+	} while(FALSE);
+
+	pWb35Rx->RxOwner[ RxBufferId ] = 1; // Set the owner to hardware
+	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter );
+	pWb35Rx->EP3vm_state = VM_STOP;
+}
+
+//=====================================================================================
+unsigned char Wb35Rx_initial(phw_data_t pHwData)
+{
+	PWB35RX pWb35Rx = &pHwData->Wb35Rx;
+
+	// Initial the Buffer Queue
+	Wb35Rx_reset_descriptor( pHwData );
+
+	pWb35Rx->RxUrb = wb_usb_alloc_urb(0);
+	return (!!pWb35Rx->RxUrb);
+}
+
+void Wb35Rx_stop(phw_data_t pHwData)
+{
+	PWB35RX pWb35Rx = &pHwData->Wb35Rx;
+
+	// Canceling the Irp if already sends it out.
+	if (pWb35Rx->EP3vm_state == VM_RUNNING) {
+		usb_unlink_urb( pWb35Rx->RxUrb ); // Only use unlink, let Wb35Rx_destroy to free them
+		#ifdef _PE_RX_DUMP_
+		WBDEBUG(("EP3 Rx stop\n"));
+		#endif
+	}
+}
+
+// Needs process context
+void Wb35Rx_destroy(phw_data_t pHwData)
+{
+	PWB35RX pWb35Rx = &pHwData->Wb35Rx;
+
+	do {
+		OS_SLEEP(10000); // Delay for waiting function enter 940623.1.a
+	} while (pWb35Rx->EP3vm_state != VM_STOP);
+	OS_SLEEP(10000); // Delay for waiting function exit 940623.1.b
+
+	if (pWb35Rx->RxUrb)
+		usb_free_urb( pWb35Rx->RxUrb );
+	#ifdef _PE_RX_DUMP_
+	WBDEBUG(("Wb35Rx_destroy OK\n"));
+	#endif
+}
+
+void Wb35Rx_reset_descriptor(  phw_data_t pHwData )
+{
+	PWB35RX pWb35Rx = &pHwData->Wb35Rx;
+	u32	i;
+
+	pWb35Rx->ByteReceived = 0;
+	pWb35Rx->RxProcessIndex = 0;
+	pWb35Rx->RxBufferId = 0;
+	pWb35Rx->EP3vm_state = VM_STOP;
+	pWb35Rx->rx_halt = 0;
+
+	// Initial the Queue. The last buffer is reserved for used if the Rx resource is unavailable.
+	for( i=0; i<MAX_USB_RX_BUFFER_NUMBER; i++ )
+		pWb35Rx->RxOwner[i] = 1;
+}
+
+void Wb35Rx_adjust(PDESCRIPTOR pRxDes)
+{
+	PULONG	pRxBufferAddress;
+	u32	DecryptionMethod;
+	u32	i;
+	u16	BufferSize;
+
+	DecryptionMethod = pRxDes->R01.R01_decryption_method;
+	pRxBufferAddress = pRxDes->buffer_address[0];
+	BufferSize = pRxDes->buffer_size[0];
+
+	// Adjust the last part of data. Only data left
+	BufferSize -= 4; // For CRC-32
+	if (DecryptionMethod)
+		BufferSize -= 4;
+	if (DecryptionMethod == 3) // For CCMP
+		BufferSize -= 4;
+
+	// Adjust the IV field which after 802.11 header and ICV field.
+	if (DecryptionMethod == 1) // For WEP
+	{
+		for( i=6; i>0; i-- )
+			pRxBufferAddress[i] = pRxBufferAddress[i-1];
+		pRxDes->buffer_address[0] = pRxBufferAddress + 1;
+		BufferSize -= 4; // 4 byte for IV
+	}
+	else if( DecryptionMethod ) // For TKIP and CCMP
+	{
+		for (i=7; i>1; i--)
+			pRxBufferAddress[i] = pRxBufferAddress[i-2];
+		pRxDes->buffer_address[0] = pRxBufferAddress + 2;//Update the descriptor, shift 8 byte
+		BufferSize -= 8; // 8 byte for IV + ICV
+	}
+	pRxDes->buffer_size[0] = BufferSize;
+}
+
+extern void packet_came(char *pRxBufferAddress, int PacketSize);
+
+
+u16 Wb35Rx_indicate(phw_data_t pHwData)
+{
+	DESCRIPTOR	RxDes;
+	PWB35RX	pWb35Rx = &pHwData->Wb35Rx;
+	PUCHAR		pRxBufferAddress;
+	u16		PacketSize;
+	u16		stmp, BufferSize, stmp2 = 0;
+	u32		RxBufferId;
+
+	// Only one thread be allowed to run into the following
+	do {
+		RxBufferId = pWb35Rx->RxProcessIndex;
+		if (pWb35Rx->RxOwner[ RxBufferId ]) //Owner by VM
+			break;
+
+		pWb35Rx->RxProcessIndex++;
+		pWb35Rx->RxProcessIndex %= MAX_USB_RX_BUFFER_NUMBER;
+
+		pRxBufferAddress = pWb35Rx->pDRx;
+		BufferSize = pWb35Rx->RxBufferSize[ RxBufferId ];
+
+		// Parse the bulkin buffer
+		while (BufferSize >= 4) {
+			if ((cpu_to_le32(*(PULONG)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a
+				break;
+
+			// Get the R00 R01 first
+			RxDes.R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress);
+			PacketSize = (u16)RxDes.R00.R00_receive_byte_count;
+			RxDes.R01.value = le32_to_cpu(*((PULONG)(pRxBufferAddress+4)));
+			// For new DMA 4k
+			if ((PacketSize & 0x03) > 0)
+				PacketSize -= 4;
+
+			// Basic check for Rx length. Is length valid?
+			if (PacketSize > MAX_PACKET_SIZE) {
+				#ifdef _PE_RX_DUMP_
+				WBDEBUG(("Serious ERROR : Rx data size too long, size =%d\n", PacketSize));
+				#endif
+
+				pWb35Rx->EP3vm_state = VM_STOP;
+				pWb35Rx->Ep3ErrorCount2++;
+				break;
+			}
+
+			// Start to process Rx buffer
+//			RxDes.Descriptor_ID = RxBufferId; // Due to synchronous indicate, the field doesn't necessary to use.
+			BufferSize -= 8; //subtract 8 byte for 35's USB header length
+			pRxBufferAddress += 8;
+
+			RxDes.buffer_address[0] = pRxBufferAddress;
+			RxDes.buffer_size[0] = PacketSize;
+			RxDes.buffer_number = 1;
+			RxDes.buffer_start_index = 0;
+			RxDes.buffer_total_size = RxDes.buffer_size[0];
+			Wb35Rx_adjust(&RxDes);
+
+			packet_came(pRxBufferAddress, PacketSize);
+
+			// Move RxBuffer point to the next
+			stmp = PacketSize + 3;
+			stmp &= ~0x03; // 4n alignment
+			pRxBufferAddress += stmp;
+			BufferSize -= stmp;
+			stmp2 += stmp;
+		}
+
+		// Reclaim resource
+		pWb35Rx->RxOwner[ RxBufferId ] = 1;
+	} while(TRUE);
+
+	return stmp2;
+}
+
+
diff --git a/drivers/staging/winbond/linux/wb35rx_f.h b/drivers/staging/winbond/linux/wb35rx_f.h
new file mode 100644
index 00000000000..daa3e73042b
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35rx_f.h
@@ -0,0 +1,17 @@
+//====================================
+// Interface function declare
+//====================================
+void		Wb35Rx_reset_descriptor(  phw_data_t pHwData );
+unsigned char		Wb35Rx_initial(  phw_data_t pHwData );
+void		Wb35Rx_destroy(  phw_data_t pHwData );
+void		Wb35Rx_stop(  phw_data_t pHwData );
+u16		Wb35Rx_indicate(  phw_data_t pHwData );
+void		Wb35Rx_adjust(  PDESCRIPTOR pRxDes );
+void		Wb35Rx_start(  phw_data_t pHwData );
+
+void		Wb35Rx(  phw_data_t pHwData );
+void		Wb35Rx_Complete(  PURB pUrb );
+
+
+
+
diff --git a/drivers/staging/winbond/linux/wb35rx_s.h b/drivers/staging/winbond/linux/wb35rx_s.h
new file mode 100644
index 00000000000..53b831fdeb7
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35rx_s.h
@@ -0,0 +1,48 @@
+//============================================================================
+// wb35rx.h --
+//============================================================================
+
+// Definition for this module used
+#define MAX_USB_RX_BUFFER	4096	// This parameter must be 4096 931130.4.f
+
+#define MAX_USB_RX_BUFFER_NUMBER	ETHERNET_RX_DESCRIPTORS		// Maximum 254, 255 is RESERVED ID
+#define RX_INTERFACE				0	// Interface 1
+#define RX_PIPE						2	// Pipe 3
+#define MAX_PACKET_SIZE				1600 //1568	// 8 + 1532 + 4 + 24(IV EIV MIC ICV CRC) for check DMA data 931130.4.g
+#define RX_END_TAG					0x0badbeef
+
+
+//====================================
+// Internal variable for module
+//====================================
+typedef struct _WB35RX
+{
+	u32			ByteReceived;// For calculating throughput of BulkIn
+	OS_ATOMIC		RxFireCounter;// Does Wb35Rx module fire?
+
+	u8	RxBuffer[ MAX_USB_RX_BUFFER_NUMBER ][ ((MAX_USB_RX_BUFFER+3) & ~0x03 ) ];
+	u16	RxBufferSize[ ((MAX_USB_RX_BUFFER_NUMBER+1) & ~0x01) ];
+	u8	RxOwner[ ((MAX_USB_RX_BUFFER_NUMBER+3) & ~0x03 ) ];//Ownership of buffer  0: SW 1:HW
+
+	u32	RxProcessIndex;//The next index to process
+	u32	RxBufferId;
+	u32	EP3vm_state;
+
+	u32	rx_halt; // For VM stopping
+
+	u16	MoreDataSize;
+	u16	PacketSize;
+
+	u32	CurrentRxBufferId; // For complete routine usage
+	u32	Rx3UrbCancel;
+
+	u32	LastR1; // For RSSI reporting
+	struct urb *				RxUrb;
+	u32		Ep3ErrorCount2; // 20060625.1 Usbd for Rx DMA error count
+
+	int		EP3VM_status;
+	PUCHAR	pDRx;
+
+} WB35RX, *PWB35RX;
+
+
diff --git a/drivers/staging/winbond/linux/wb35tx.c b/drivers/staging/winbond/linux/wb35tx.c
new file mode 100644
index 00000000000..cf19c3bc524
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35tx.c
@@ -0,0 +1,313 @@
+//============================================================================
+//  Copyright (c) 1996-2002 Winbond Electronic Corporation
+//
+//  Module Name:
+//    Wb35Tx.c
+//
+//  Abstract:
+//    Processing the Tx message and put into down layer
+//
+//============================================================================
+#include "sysdef.h"
+
+
+unsigned char
+Wb35Tx_get_tx_buffer(phw_data_t pHwData, PUCHAR *pBuffer )
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+
+	*pBuffer = pWb35Tx->TxBuffer[0];
+	return TRUE;
+}
+
+void Wb35Tx_start(phw_data_t pHwData)
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+
+	// Allow only one thread to run into function
+	if (OS_ATOMIC_INC(pHwData->Adapter, &pWb35Tx->TxFireCounter) == 1) {
+		pWb35Tx->EP4vm_state = VM_RUNNING;
+		Wb35Tx(pHwData);
+	} else
+		OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxFireCounter );
+}
+
+
+void Wb35Tx(phw_data_t pHwData)
+{
+	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
+	PADAPTER	Adapter = pHwData->Adapter;
+	PUCHAR		pTxBufferAddress;
+	PMDS		pMds = &Adapter->Mds;
+	struct urb *	pUrb = (struct urb *)pWb35Tx->Tx4Urb;
+	int         	retv;
+	u32		SendIndex;
+
+
+	if (pHwData->SurpriseRemove || pHwData->HwStop)
+		goto cleanup;
+
+	if (pWb35Tx->tx_halt)
+		goto cleanup;
+
+	// Ownership checking
+	SendIndex = pWb35Tx->TxSendIndex;
+	if (!pMds->TxOwner[SendIndex]) //No more data need to be sent, return immediately
+		goto cleanup;
+
+	pTxBufferAddress = pWb35Tx->TxBuffer[SendIndex];
+	//
+	// Issuing URB
+	//
+	usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev,
+			  usb_sndbulkpipe(pHwData->WbUsb.udev, 4),
+			  pTxBufferAddress, pMds->TxBufferSize[ SendIndex ],
+			  Wb35Tx_complete, pHwData);
+
+	pWb35Tx->EP4vm_state = VM_RUNNING;
+	retv = wb_usb_submit_urb( pUrb );
+	if (retv<0) {
+		printk("EP4 Tx Irp sending error\n");
+		goto cleanup;
+	}
+
+	// Check if driver needs issue Irp for EP2
+	pWb35Tx->TxFillCount += pMds->TxCountInBuffer[SendIndex];
+	if (pWb35Tx->TxFillCount > 12)
+		Wb35Tx_EP2VM_start( pHwData );
+
+	pWb35Tx->ByteTransfer += pMds->TxBufferSize[SendIndex];
+	return;
+
+ cleanup:
+	pWb35Tx->EP4vm_state = VM_STOP;
+	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxFireCounter );
+}
+
+
+void Wb35Tx_complete(struct urb * pUrb)
+{
+	phw_data_t	pHwData = pUrb->context;
+	PADAPTER	Adapter = (PADAPTER)pHwData->Adapter;
+	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
+	PMDS		pMds = &Adapter->Mds;
+
+	printk("wb35: tx complete\n");
+	// Variable setting
+	pWb35Tx->EP4vm_state = VM_COMPLETED;
+	pWb35Tx->EP4VM_status = pUrb->status; //Store the last result of Irp
+	pMds->TxOwner[ pWb35Tx->TxSendIndex ] = 0;// Set the owner. Free the owner bit always.
+	pWb35Tx->TxSendIndex++;
+	pWb35Tx->TxSendIndex %= MAX_USB_TX_BUFFER_NUMBER;
+
+	do {
+		if (pHwData->SurpriseRemove || pHwData->HwStop) // Let WbWlanHalt to handle surprise remove
+			break;
+
+		if (pWb35Tx->tx_halt)
+			break;
+
+		// The URB is completed, check the result
+		if (pWb35Tx->EP4VM_status != 0) {
+			printk("URB submission failed\n");
+			pWb35Tx->EP4vm_state = VM_STOP;
+			break; // Exit while(FALSE);
+		}
+
+		Mds_Tx(Adapter);
+		Wb35Tx(pHwData);
+		return;
+	} while(FALSE);
+
+	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxFireCounter );
+	pWb35Tx->EP4vm_state = VM_STOP;
+}
+
+void Wb35Tx_reset_descriptor(  phw_data_t pHwData )
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+
+	pWb35Tx->TxSendIndex = 0;
+	pWb35Tx->tx_halt = 0;
+}
+
+unsigned char Wb35Tx_initial(phw_data_t pHwData)
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+
+	pWb35Tx->Tx4Urb = wb_usb_alloc_urb(0);
+	if (!pWb35Tx->Tx4Urb)
+		return FALSE;
+
+	pWb35Tx->Tx2Urb = wb_usb_alloc_urb(0);
+	if (!pWb35Tx->Tx2Urb)
+	{
+		usb_free_urb( pWb35Tx->Tx4Urb );
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+//======================================================
+void Wb35Tx_stop(phw_data_t pHwData)
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+
+	// Trying to canceling the Trp of EP2
+	if (pWb35Tx->EP2vm_state == VM_RUNNING)
+		usb_unlink_urb( pWb35Tx->Tx2Urb ); // Only use unlink, let Wb35Tx_destrot to free them
+	#ifdef _PE_TX_DUMP_
+	WBDEBUG(("EP2 Tx stop\n"));
+	#endif
+
+	// Trying to canceling the Irp of EP4
+	if (pWb35Tx->EP4vm_state == VM_RUNNING)
+		usb_unlink_urb( pWb35Tx->Tx4Urb ); // Only use unlink, let Wb35Tx_destrot to free them
+	#ifdef _PE_TX_DUMP_
+	WBDEBUG(("EP4 Tx stop\n"));
+	#endif
+}
+
+//======================================================
+void Wb35Tx_destroy(phw_data_t pHwData)
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+
+	// Wait for VM stop
+	do {
+		OS_SLEEP(10000);  // Delay for waiting function enter 940623.1.a
+	} while( (pWb35Tx->EP2vm_state != VM_STOP) && (pWb35Tx->EP4vm_state != VM_STOP) );
+	OS_SLEEP(10000);  // Delay for waiting function enter 940623.1.b
+
+	if (pWb35Tx->Tx4Urb)
+		usb_free_urb( pWb35Tx->Tx4Urb );
+
+	if (pWb35Tx->Tx2Urb)
+		usb_free_urb( pWb35Tx->Tx2Urb );
+
+	#ifdef _PE_TX_DUMP_
+	WBDEBUG(("Wb35Tx_destroy OK\n"));
+	#endif
+}
+
+void Wb35Tx_CurrentTime(phw_data_t pHwData, u32 TimeCount)
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+	unsigned char Trigger = FALSE;
+
+	if (pWb35Tx->TxTimer > TimeCount)
+		Trigger = TRUE;
+	else if (TimeCount > (pWb35Tx->TxTimer+500))
+		Trigger = TRUE;
+
+	if (Trigger) {
+		pWb35Tx->TxTimer = TimeCount;
+		Wb35Tx_EP2VM_start( pHwData );
+	}
+}
+
+void Wb35Tx_EP2VM_start(phw_data_t pHwData)
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+
+	// Allow only one thread to run into function
+	if (OS_ATOMIC_INC( pHwData->Adapter, &pWb35Tx->TxResultCount ) == 1) {
+		pWb35Tx->EP2vm_state = VM_RUNNING;
+		Wb35Tx_EP2VM( pHwData );
+	}
+	else
+		OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount );
+}
+
+
+void Wb35Tx_EP2VM(phw_data_t pHwData)
+{
+	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
+	struct urb *	pUrb = (struct urb *)pWb35Tx->Tx2Urb;
+	PULONG	pltmp = (PULONG)pWb35Tx->EP2_buf;
+	int		retv;
+
+	do {
+		if (pHwData->SurpriseRemove || pHwData->HwStop)
+			break;
+
+		if (pWb35Tx->tx_halt)
+			break;
+
+		//
+		// Issuing URB
+		//
+		usb_fill_int_urb( pUrb, pHwData->WbUsb.udev, usb_rcvintpipe(pHwData->WbUsb.udev,2),
+				  pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, pHwData, 32);
+
+		pWb35Tx->EP2vm_state = VM_RUNNING;
+		retv = wb_usb_submit_urb( pUrb );
+
+		if(retv < 0) {
+			#ifdef _PE_TX_DUMP_
+			WBDEBUG(("EP2 Tx Irp sending error\n"));
+			#endif
+			break;
+		}
+
+		return;
+
+	} while(FALSE);
+
+	pWb35Tx->EP2vm_state = VM_STOP;
+	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount );
+}
+
+
+void Wb35Tx_EP2VM_complete(struct urb * pUrb)
+{
+	phw_data_t	pHwData = pUrb->context;
+	T02_DESCRIPTOR	T02, TSTATUS;
+	PADAPTER	Adapter = (PADAPTER)pHwData->Adapter;
+	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
+	PULONG		pltmp = (PULONG)pWb35Tx->EP2_buf;
+	u32		i;
+	u16		InterruptInLength;
+
+
+	// Variable setting
+	pWb35Tx->EP2vm_state = VM_COMPLETED;
+	pWb35Tx->EP2VM_status = pUrb->status;
+
+	do {
+		// For Linux 2.4. Interrupt will always trigger
+		if( pHwData->SurpriseRemove || pHwData->HwStop ) // Let WbWlanHalt to handle surprise remove
+			break;
+
+		if( pWb35Tx->tx_halt )
+			break;
+
+		//The Urb is completed, check the result
+		if (pWb35Tx->EP2VM_status != 0) {
+			WBDEBUG(("EP2 IoCompleteRoutine return error\n"));
+			pWb35Tx->EP2vm_state= VM_STOP;
+			break; // Exit while(FALSE);
+		}
+
+		// Update the Tx result
+		InterruptInLength = pUrb->actual_length;
+		// Modify for minimum memory access and DWORD alignment.
+		T02.value = cpu_to_le32(pltmp[0]) >> 8; // [31:8] -> [24:0]
+		InterruptInLength -= 1;// 20051221.1.c Modify the follow for more stable
+		InterruptInLength >>= 2; // InterruptInLength/4
+		for (i=1; i<=InterruptInLength; i++) {
+			T02.value |= ((cpu_to_le32(pltmp[i]) & 0xff) << 24);
+
+			TSTATUS.value = T02.value;  //20061009 anson's endian
+			Mds_SendComplete( Adapter, &TSTATUS );
+			T02.value = cpu_to_le32(pltmp[i]) >> 8;
+		}
+
+		return;
+	} while(FALSE);
+
+	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount );
+	pWb35Tx->EP2vm_state = VM_STOP;
+}
+
diff --git a/drivers/staging/winbond/linux/wb35tx_f.h b/drivers/staging/winbond/linux/wb35tx_f.h
new file mode 100644
index 00000000000..7705a8454dc
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35tx_f.h
@@ -0,0 +1,20 @@
+//====================================
+// Interface function declare
+//====================================
+unsigned char Wb35Tx_initial(	 phw_data_t pHwData );
+void Wb35Tx_destroy(  phw_data_t pHwData );
+unsigned char Wb35Tx_get_tx_buffer(  phw_data_t pHwData,  PUCHAR *pBuffer );
+
+void Wb35Tx_EP2VM(  phw_data_t pHwData );
+void Wb35Tx_EP2VM_start(  phw_data_t pHwData );
+void Wb35Tx_EP2VM_complete(  PURB purb );
+
+void Wb35Tx_start(  phw_data_t pHwData );
+void Wb35Tx_stop(  phw_data_t pHwData );
+void Wb35Tx(  phw_data_t pHwData );
+void Wb35Tx_complete(  PURB purb );
+void Wb35Tx_reset_descriptor(  phw_data_t pHwData );
+
+void Wb35Tx_CurrentTime(  phw_data_t pHwData,  u32 TimeCount );
+
+
diff --git a/drivers/staging/winbond/linux/wb35tx_s.h b/drivers/staging/winbond/linux/wb35tx_s.h
new file mode 100644
index 00000000000..ac432573676
--- /dev/null
+++ b/drivers/staging/winbond/linux/wb35tx_s.h
@@ -0,0 +1,47 @@
+//====================================
+// IS89C35 Tx related definition
+//====================================
+#define TX_INTERFACE			0	// Interface 1
+#define TX_PIPE					3	// endpoint 4
+#define TX_INTERRUPT			1	// endpoint 2
+#define MAX_INTERRUPT_LENGTH	64	// It must be 64 for EP2 hardware
+
+
+
+//====================================
+// Internal variable for module
+//====================================
+
+
+typedef struct _WB35TX
+{
+	// For Tx buffer
+	u8	TxBuffer[ MAX_USB_TX_BUFFER_NUMBER ][ MAX_USB_TX_BUFFER ];
+
+	// For Interrupt pipe
+	u8	EP2_buf[MAX_INTERRUPT_LENGTH];
+
+	OS_ATOMIC	TxResultCount;// For thread control of EP2 931130.4.m
+	OS_ATOMIC	TxFireCounter;// For thread control of EP4 931130.4.n
+	u32			ByteTransfer;
+
+	u32	    TxSendIndex;// The next index of Mds array to be sent
+	u32	    EP2vm_state; // for EP2vm state
+	u32	    EP4vm_state; // for EP4vm state
+	u32	    tx_halt; // Stopping VM
+
+	struct urb *				Tx4Urb;
+	struct urb *				Tx2Urb;
+
+	int		EP2VM_status;
+	int		EP4VM_status;
+
+	u32	TxFillCount; // 20060928
+	u32	TxTimer; // 20060928 Add if sending packet not great than 13
+
+} WB35TX, *PWB35TX;
+
+
+
+
+
diff --git a/drivers/staging/winbond/linux/wbusb.c b/drivers/staging/winbond/linux/wbusb.c
new file mode 100644
index 00000000000..cbad5fb0595
--- /dev/null
+++ b/drivers/staging/winbond/linux/wbusb.c
@@ -0,0 +1,404 @@
+/*
+ * Copyright 2008 Pavel Machek <pavel@suse.cz>
+ *
+ * Distribute under GPLv2.
+ */
+#include "sysdef.h"
+#include <net/mac80211.h>
+
+
+MODULE_AUTHOR( DRIVER_AUTHOR );
+MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_LICENSE("GPL");
+MODULE_VERSION("0.1");
+
+
+//============================================================
+// vendor ID and product ID can into here for others
+//============================================================
+static struct usb_device_id Id_Table[] =
+{
+  {USB_DEVICE( 0x0416, 0x0035 )},
+  {USB_DEVICE( 0x18E8, 0x6201 )},
+  {USB_DEVICE( 0x18E8, 0x6206 )},
+  {USB_DEVICE( 0x18E8, 0x6217 )},
+  {USB_DEVICE( 0x18E8, 0x6230 )},
+  {USB_DEVICE( 0x18E8, 0x6233 )},
+  {USB_DEVICE( 0x1131, 0x2035 )},
+  {  }
+};
+
+MODULE_DEVICE_TABLE(usb, Id_Table);
+
+static struct usb_driver wb35_driver = {
+	.name =		"w35und",
+	.probe =	wb35_probe,
+	.disconnect = wb35_disconnect,
+	.id_table = Id_Table,
+};
+
+static const struct ieee80211_rate wbsoft_rates[] = {
+	{ .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+};
+
+static const struct ieee80211_channel wbsoft_channels[] = {
+	{ .center_freq = 2412},
+};
+
+int wbsoft_enabled;
+struct ieee80211_hw *my_dev;
+PADAPTER my_adapter;
+
+static int wbsoft_add_interface(struct ieee80211_hw *dev,
+				 struct ieee80211_if_init_conf *conf)
+{
+	printk("wbsoft_add interface called\n");
+	return 0;
+}
+
+static void wbsoft_remove_interface(struct ieee80211_hw *dev,
+				     struct ieee80211_if_init_conf *conf)
+{
+	printk("wbsoft_remove interface called\n");
+}
+
+static int wbsoft_nop(void)
+{
+	printk("wbsoft_nop called\n");
+	return 0;
+}
+
+static void wbsoft_configure_filter(struct ieee80211_hw *dev,
+				     unsigned int changed_flags,
+				     unsigned int *total_flags,
+				     int mc_count, struct dev_mc_list *mclist)
+{
+	unsigned int bit_nr, new_flags;
+	u32 mc_filter[2];
+	int i;
+
+	new_flags = 0;
+
+	if (*total_flags & FIF_PROMISC_IN_BSS) {
+		new_flags |= FIF_PROMISC_IN_BSS;
+		mc_filter[1] = mc_filter[0] = ~0;
+	} else if ((*total_flags & FIF_ALLMULTI) || (mc_count > 32)) {
+		new_flags |= FIF_ALLMULTI;
+		mc_filter[1] = mc_filter[0] = ~0;
+	} else {
+		mc_filter[1] = mc_filter[0] = 0;
+		for (i = 0; i < mc_count; i++) {
+			if (!mclist)
+				break;
+			printk("Should call ether_crc here\n");
+			//bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
+			bit_nr = 0;
+
+			bit_nr &= 0x3F;
+			mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
+			mclist = mclist->next;
+		}
+	}
+
+	dev->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;
+
+	*total_flags = new_flags;
+}
+
+static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
+		      struct ieee80211_tx_control *control)
+{
+	char *buffer = kmalloc(skb->len, GFP_ATOMIC);
+	printk("Sending frame %d bytes\n", skb->len);
+	memcpy(buffer, skb->data, skb->len);
+	if (1 == MLMESendFrame(my_adapter, buffer, skb->len, FRAME_TYPE_802_11_MANAGEMENT))
+		printk("frame sent ok (%d bytes)?\n", skb->len);
+	return NETDEV_TX_OK;
+}
+
+
+static int wbsoft_start(struct ieee80211_hw *dev)
+{
+	wbsoft_enabled = 1;
+	printk("wbsoft_start called\n");
+	return 0;
+}
+
+static int wbsoft_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
+{
+	ChanInfo ch;
+	printk("wbsoft_config called\n");
+
+	ch.band = 1;
+	ch.ChanNo = 1;	/* Should use channel_num, or something, as that is already pre-translated */
+
+
+	hal_set_current_channel(&my_adapter->sHwData, ch);
+	hal_set_beacon_period(&my_adapter->sHwData, conf->beacon_int);
+//	hal_set_cap_info(&my_adapter->sHwData, ?? );
+// hal_set_ssid(phw_data_t pHwData,  PUCHAR pssid,  u8 ssid_len); ??
+	hal_set_accept_broadcast(&my_adapter->sHwData, 1);
+	hal_set_accept_promiscuous(&my_adapter->sHwData,  1);
+	hal_set_accept_multicast(&my_adapter->sHwData,  1);
+	hal_set_accept_beacon(&my_adapter->sHwData,  1);
+	hal_set_radio_mode(&my_adapter->sHwData,  0);
+	//hal_set_antenna_number(  phw_data_t pHwData, u8 number )
+	//hal_set_rf_power(phw_data_t pHwData, u8 PowerIndex)
+
+
+//	hal_start_bss(&my_adapter->sHwData, WLAN_BSSTYPE_INFRASTRUCTURE);	??
+
+//void hal_set_rates(phw_data_t pHwData, PUCHAR pbss_rates,
+//		   u8 length, unsigned char basic_rate_set)
+
+	return 0;
+}
+
+static int wbsoft_config_interface(struct ieee80211_hw *dev,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_if_conf *conf)
+{
+	printk("wbsoft_config_interface called\n");
+	return 0;
+}
+
+static u64 wbsoft_get_tsf(struct ieee80211_hw *dev)
+{
+	printk("wbsoft_get_tsf called\n");
+	return 0;
+}
+
+static const struct ieee80211_ops wbsoft_ops = {
+	.tx			= wbsoft_tx,
+	.start			= wbsoft_start,		/* Start can be pretty much empty as we do WbWLanInitialize() during probe? */
+	.stop			= wbsoft_nop,
+	.add_interface		= wbsoft_add_interface,
+	.remove_interface	= wbsoft_remove_interface,
+	.config			= wbsoft_config,
+	.config_interface	= wbsoft_config_interface,
+	.configure_filter	= wbsoft_configure_filter,
+	.get_stats		= wbsoft_nop,
+	.get_tx_stats		= wbsoft_nop,
+	.get_tsf		= wbsoft_get_tsf,
+// conf_tx: hal_set_cwmin()/hal_set_cwmax;
+};
+
+struct wbsoft_priv {
+};
+
+
+int __init wb35_init(void)
+{
+	printk("[w35und]driver init\n");
+	return usb_register(&wb35_driver);
+}
+
+void __exit wb35_exit(void)
+{
+	printk("[w35und]driver exit\n");
+	usb_deregister( &wb35_driver );
+}
+
+module_init(wb35_init);
+module_exit(wb35_exit);
+
+// Usb kernel subsystem will call this function when a new device is plugged into.
+int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
+{
+	PADAPTER	Adapter;
+	PWBLINUX	pWbLinux;
+	PWBUSB		pWbUsb;
+        struct usb_host_interface *interface;
+	struct usb_endpoint_descriptor *endpoint;
+	int	i, ret = -1;
+	u32	ltmp;
+	struct usb_device *udev = interface_to_usbdev(intf);
+
+	usb_get_dev(udev);
+
+	printk("[w35und]wb35_probe ->\n");
+
+	do {
+		for (i=0; i<(sizeof(Id_Table)/sizeof(struct usb_device_id)); i++ ) {
+			if ((udev->descriptor.idVendor == Id_Table[i].idVendor) &&
+				(udev->descriptor.idProduct == Id_Table[i].idProduct)) {
+				printk("[w35und]Found supported hardware\n");
+				break;
+			}
+		}
+		if ((i == (sizeof(Id_Table)/sizeof(struct usb_device_id)))) {
+			#ifdef _PE_USB_INI_DUMP_
+			WBDEBUG(("[w35und] This is not the one we are interested about\n"));
+			#endif
+			return -ENODEV;
+		}
+
+		// 20060630.2 Check the device if it already be opened
+		ret = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ),
+				      0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
+				      0x0, 0x400, &ltmp, 4, HZ*100 );
+		if( ret < 0 )
+			break;
+
+		ltmp = cpu_to_le32(ltmp);
+		if (ltmp)  // Is already initialized?
+			break;
+
+
+		Adapter = kzalloc(sizeof(ADAPTER), GFP_KERNEL);
+
+		my_adapter = Adapter;
+		pWbLinux = &Adapter->WbLinux;
+		pWbUsb = &Adapter->sHwData.WbUsb;
+		pWbUsb->udev = udev;
+
+	        interface = intf->cur_altsetting;
+	        endpoint = &interface->endpoint[0].desc;
+
+		if (endpoint[2].wMaxPacketSize == 512) {
+			printk("[w35und] Working on USB 2.0\n");
+			pWbUsb->IsUsb20 = 1;
+		}
+
+		if (!WbWLanInitialize(Adapter)) {
+			printk("[w35und]WbWLanInitialize fail\n");
+			break;
+		}
+
+		{
+			struct wbsoft_priv *priv;
+			struct ieee80211_hw *dev;
+			int res;
+
+			dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
+
+			if (!dev) {
+				printk("w35und: ieee80211 alloc failed\n" );
+				BUG();
+			}
+
+			my_dev = dev;
+
+			SET_IEEE80211_DEV(dev, &udev->dev);
+			{
+				phw_data_t pHwData = &Adapter->sHwData;
+				unsigned char		dev_addr[MAX_ADDR_LEN];
+				hal_get_permanent_address(pHwData, dev_addr);
+				SET_IEEE80211_PERM_ADDR(dev, dev_addr);
+			}
+
+
+			dev->extra_tx_headroom = 12;	/* FIXME */
+			dev->flags = 0;
+
+			dev->channel_change_time = 1000;
+//			dev->max_rssi = 100;
+
+			dev->queues = 1;
+
+			static struct ieee80211_supported_band band;
+
+			band.channels = wbsoft_channels;
+			band.n_channels = ARRAY_SIZE(wbsoft_channels);
+			band.bitrates = wbsoft_rates;
+			band.n_bitrates = ARRAY_SIZE(wbsoft_rates);
+
+			dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band;
+#if 0
+			wbsoft_modes[0].num_channels = 1;
+			wbsoft_modes[0].channels = wbsoft_channels;
+			wbsoft_modes[0].mode = MODE_IEEE80211B;
+			wbsoft_modes[0].num_rates = ARRAY_SIZE(wbsoft_rates);
+			wbsoft_modes[0].rates = wbsoft_rates;
+
+			res = ieee80211_register_hwmode(dev, &wbsoft_modes[0]);
+			BUG_ON(res);
+#endif
+
+			res = ieee80211_register_hw(dev);
+			BUG_ON(res);
+		}
+
+		usb_set_intfdata( intf, Adapter );
+
+		printk("[w35und] _probe OK\n");
+		return 0;
+
+	} while(FALSE);
+
+	return -ENOMEM;
+}
+
+void packet_came(char *pRxBufferAddress, int PacketSize)
+{
+	struct sk_buff *skb;
+	struct ieee80211_rx_status rx_status = {0};
+
+	if (!wbsoft_enabled)
+		return;
+
+	skb = dev_alloc_skb(PacketSize);
+	if (!skb) {
+		printk("Not enough memory for packet, FIXME\n");
+		return;
+	}
+
+	memcpy(skb_put(skb, PacketSize),
+	       pRxBufferAddress,
+	       PacketSize);
+
+/*
+	rx_status.rate = 10;
+	rx_status.channel = 1;
+	rx_status.freq = 12345;
+	rx_status.phymode = MODE_IEEE80211B;
+*/
+
+	ieee80211_rx_irqsafe(my_dev, skb, &rx_status);
+}
+
+unsigned char
+WbUsb_initial(phw_data_t pHwData)
+{
+	return 1;
+}
+
+
+void
+WbUsb_destroy(phw_data_t pHwData)
+{
+}
+
+int wb35_open(struct net_device *netdev)
+{
+	PADAPTER Adapter = (PADAPTER)netdev->priv;
+	phw_data_t pHwData = &Adapter->sHwData;
+
+        netif_start_queue(netdev);
+
+	//TODO : put here temporarily
+	hal_set_accept_broadcast(pHwData, 1); // open accept broadcast
+
+	return 0;
+}
+
+int wb35_close(struct net_device *netdev)
+{
+	netif_stop_queue(netdev);
+	return 0;
+}
+
+void wb35_disconnect(struct usb_interface *intf)
+{
+	PWBLINUX pWbLinux;
+	PADAPTER Adapter = usb_get_intfdata(intf);
+	usb_set_intfdata(intf, NULL);
+
+        pWbLinux = &Adapter->WbLinux;
+
+	// Card remove
+	WbWlanHalt(Adapter);
+
+}
+
+
diff --git a/drivers/staging/winbond/linux/wbusb_f.h b/drivers/staging/winbond/linux/wbusb_f.h
new file mode 100644
index 00000000000..cae29e107e1
--- /dev/null
+++ b/drivers/staging/winbond/linux/wbusb_f.h
@@ -0,0 +1,34 @@
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+// Copyright (c) 1996-2004 Winbond Electronic Corporation
+//
+//  Module Name:
+//    wbusb_f.h
+//
+//  Abstract:
+//    Linux driver.
+//
+//  Author:
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+int wb35_open(struct net_device *netdev);
+int wb35_close(struct net_device *netdev);
+unsigned char WbUsb_initial(phw_data_t pHwData);
+void WbUsb_destroy(phw_data_t pHwData);
+unsigned char WbWLanInitialize(PADAPTER Adapter);
+#define	WbUsb_Stop( _A )
+
+int wb35_probe(struct usb_interface *intf,const struct usb_device_id *id_table);
+void wb35_disconnect(struct usb_interface *intf);
+
+
+#define wb_usb_submit_urb(_A) usb_submit_urb(_A, GFP_ATOMIC)
+#define wb_usb_alloc_urb(_A) usb_alloc_urb(_A, GFP_ATOMIC)
+
+#define WbUsb_CheckForHang( _P )
+#define WbUsb_DetectStart( _P, _I )
+
+
+
+
+
diff --git a/drivers/staging/winbond/linux/wbusb_s.h b/drivers/staging/winbond/linux/wbusb_s.h
new file mode 100644
index 00000000000..d5c1d53de70
--- /dev/null
+++ b/drivers/staging/winbond/linux/wbusb_s.h
@@ -0,0 +1,42 @@
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+// Copyright (c) 1996-2004 Winbond Electronic Corporation
+//
+//  Module Name:
+//    wbusb_s.h
+//
+//  Abstract:
+//    Linux driver.
+//
+//  Author:
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+#define OS_SLEEP( _MT )	{ set_current_state(TASK_INTERRUPTIBLE); \
+			  schedule_timeout( _MT*HZ/1000000 ); }
+
+
+//---------------------------------------------------------------------------
+//  RW_CONTEXT --
+//
+//  Used to track driver-generated io irps
+//---------------------------------------------------------------------------
+typedef struct _RW_CONTEXT
+{
+	void*			pHwData;
+	PURB			pUrb;
+	void*			pCallBackFunctionParameter;
+} RW_CONTEXT, *PRW_CONTEXT;
+
+
+
+
+#define DRIVER_AUTHOR "Original by: Jeff Lee<YY_Lee@issc.com.tw> Adapted to 2.6.x by Costantino Leandro (Rxart Desktop) <le_costantino@pixartargentina.com.ar>"
+#define DRIVER_DESC   "IS89C35 802.11bg WLAN USB Driver"
+
+
+
+typedef struct _WBUSB {
+	u32	IsUsb20;
+	struct usb_device *udev;
+	u32	DetectCount;
+} WBUSB, *PWBUSB;
diff --git a/drivers/staging/winbond/localpara.h b/drivers/staging/winbond/localpara.h
new file mode 100644
index 00000000000..268cf916ab4
--- /dev/null
+++ b/drivers/staging/winbond/localpara.h
@@ -0,0 +1,275 @@
+//=============================================================
+// LocalPara.h -
+//=============================================================
+//Define the local ability
+
+#define LOCAL_DEFAULT_BEACON_PERIOD			100		//ms
+#define LOCAL_DEFAULT_ATIM_WINDOW			0
+#define LOCAL_DEFAULT_ERP_CAPABILITY		0x0431	//0x0001:	ESS
+													//0x0010:	Privacy
+													//0x0020:	short preamble
+													//0x0400:	short slot time
+#define LOCAL_DEFAULT_LISTEN_INTERVAL		5
+
+//#define LOCAL_DEFAULT_24_CHANNEL_NUM		11		// channel 1..11
+#define LOCAL_DEFAULT_24_CHANNEL_NUM		13		// channel 1..13
+#define LOCAL_DEFAULT_5_CHANNEL_NUM			8		// channel 36..64
+
+#define LOCAL_USA_24_CHANNEL_NUM			11
+#define LOCAL_USA_5_CHANNEL_NUM				12
+#define LOCAL_EUROPE_24_CHANNEL_NUM			13
+#define LOCAL_EUROPE_5_CHANNEL_NUM			19
+#define LOCAL_JAPAN_24_CHANNEL_NUM			14
+#define LOCAL_JAPAN_5_CHANNEL_NUM			11
+#define LOCAL_UNKNOWN_24_CHANNEL_NUM		14
+#define LOCAL_UNKNOWN_5_CHANNEL_NUM			34	//not include 165
+
+
+#define psLOCAL			(&(Adapter->sLocalPara))
+
+#define MODE_802_11_BG			0
+#define MODE_802_11_A			1
+#define MODE_802_11_ABG			2
+#define MODE_802_11_BG_IBSS		3
+#define MODE_802_11_B			4
+#define MODE_AUTO				255
+
+#define BAND_TYPE_DSSS			0
+#define BAND_TYPE_OFDM_24		1
+#define BAND_TYPE_OFDM_5		2
+
+//refer Bitmap2RateValue table
+#define LOCAL_ALL_SUPPORTED_RATES_BITMAP		0x130c1a66	//the bitmap value of all the H/W supported rates
+															//1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54
+#define LOCAL_OFDM_SUPPORTED_RATES_BITMAP		0x130c1240	//the bitmap value of all the H/W supported rates
+															//except to non-OFDM rates
+															//6, 9, 12, 18, 24, 36, 48, 54
+
+#define LOCAL_11B_SUPPORTED_RATE_BITMAP			0x826
+#define LOCAL_11B_BASIC_RATE_BITMAP				0x826
+#define LOCAL_11B_OPERATION_RATE_BITMAP			0x826
+#define LOCAL_11G_BASIC_RATE_BITMAP				0x826		//1, 2, 5.5, 11
+#define LOCAL_11G_OPERATION_RATE_BITMAP			0x130c1240	//6, 9, 12, 18, 24, 36, 48, 54
+#define LOCAL_11A_BASIC_RATE_BITMAP				0x01001040	//6, 12, 24
+#define LOCAL_11A_OPERATION_RATE_BITMAP			0x120c0200	//9, 18, 36, 48, 54
+
+
+
+#define PWR_ACTIVE		0
+#define PWR_SAVE		1
+#define PWR_TX_IDLE_CYCLE			6
+
+//bPreambleMode and bSlotTimeMode
+#define AUTO_MODE			0
+#define LONG_MODE			1
+
+//Region definition
+#define REGION_AUTO			0xff
+#define REGION_UNKNOWN		0
+#define REGION_EUROPE		1	//ETSI
+#define REGION_JAPAN		2	//MKK
+#define REGION_USA			3	//FCC
+#define	REGION_FRANCE		4	//FRANCE
+#define REGION_SPAIN		5	//SPAIN
+#define REGION_ISRAEL		6	//ISRAEL
+//#define REGION_CANADA		7	//IC
+
+#define MAX_BSS_DESCRIPT_ELEMENT		32
+#define MAX_PMKID_CandidateList         16
+
+//High byte : Event number,  low byte : reason
+//Event definition
+//-- SME/MLME event
+#define EVENT_RCV_DEAUTH					0x0100
+#define EVENT_JOIN_FAIL						0x0200
+#define EVENT_AUTH_FAIL						0x0300
+#define EVENT_ASSOC_FAIL					0x0400
+#define EVENT_LOST_SIGNAL					0x0500
+#define EVENT_BSS_DESCRIPT_LACK				0x0600
+#define EVENT_COUNTERMEASURE				0x0700
+#define EVENT_JOIN_FILTER					0x0800
+//-- TX/RX event
+#define EVENT_RX_BUFF_UNAVAILABLE			0x4100
+
+#define EVENT_CONNECT						0x8100
+#define EVENT_DISCONNECT					0x8200
+#define EVENT_SCAN_REQ						0x8300
+
+//Reason of Event
+#define EVENT_REASON_FILTER_BASIC_RATE		0x0001
+#define EVENT_REASON_FILTER_PRIVACY			0x0002
+#define EVENT_REASON_FILTER_AUTH_MODE		0x0003
+#define EVENT_REASON_TIMEOUT				0x00ff
+
+// 20061108 WPS IE buffer
+#define MAX_IE_APPEND_SIZE					256 + 4 // Due to [E id][Length][OUI][Data] may 257 bytes
+
+typedef struct _EVENTLOG
+{
+	u16		Count;			//Total count from start
+	u16		index;			//Buffer index, 0 ~ 63
+	u32		EventValue[64];	//BYTE 3~2 : count, BYTE 1 : Event, BYTE 0 : reason
+} Event_Log, *pEvent_Log;
+
+typedef struct _ChanInfo
+{
+	u8		band;
+	u8		ChanNo;
+} ChanInfo, *pChanInfo;
+
+typedef struct _CHAN_LIST
+{
+	u16				Count;
+	ChanInfo		Channel[50]; // 100B
+} CHAN_LIST, *psCHAN_LIST;
+
+typedef struct _RadioOff
+{
+	u8			boHwRadioOff;
+	u8			boSwRadioOff;
+} RadioOff, *psRadioOff;
+
+//===========================================================================
+typedef struct LOCAL_PARA
+{
+	u8			PermanentAddress[ MAC_ADDR_LENGTH + 2 ]; 	// read from EPROM, manufacture set for each NetCard
+    u8    		ThisMacAddress[ MAC_ADDR_LENGTH + 2 ];			// the driver will use actually.
+
+	u32			MTUsize;				// Ind to Uplayer, Max transmission unit size
+
+	u8			region_INF;	//region setting from INF
+	u8			region;		//real region setting of the device
+	u8			Reserved_1[2];
+
+    //// power-save variables
+    u8  		  	iPowerSaveMode;     // 0 indicates it is on, 1 indicates it is off
+	u8			ShutDowned;
+	u8			ATIMmode;
+	u8			ExcludeUnencrypted;
+
+	u16			CheckCountForPS;	//Unit ime count for the decision to enter PS mode
+	u8			boHasTxActivity;	//tx activity has occurred
+	u8			boMacPsValid;		//Power save mode obtained from H/W is valid or not
+
+	//// Rate
+	u8			TxRateMode;				// Initial, input from Registry, may be updated by GUI
+											//Tx Rate Mode: auto(DTO on), max, 1M, 2M, ..
+	u8			CurrentTxRate;			// The current Tx rate
+	u8			CurrentTxRateForMng;	// The current Tx rate for management frames
+										// It will be decided before connection succeeds.
+	u8			CurrentTxFallbackRate;
+
+	//for Rate handler
+	u8			BRateSet[32];			//basic rate set
+	u8			SRateSet[32];			//support rate set
+
+	u8			NumOfBRate;
+	u8			NumOfSRate;
+	u8			NumOfDsssRateInSRate;	//number of DSSS rates in supported rate set
+	u8			reserved1;
+
+	u32			dwBasicRateBitmap;		//bit map of basic rates
+	u32			dwSupportRateBitmap;	//bit map of all support rates including
+										//basic and operational rates
+
+	////For SME/MLME handler
+	u16			wOldSTAindex;			// valid when boHandover=TRUE, store old connected STA index
+	u16			wConnectedSTAindex;		// Index of peerly connected AP or IBSS in
+										// the descriptionset.
+    u16			Association_ID;     	// The Association ID in the (Re)Association
+            	                    	// Response frame.
+    u16			ListenInterval;     	// The listen interval when SME invoking MLME_
+            	                    	// (Re)Associate_Request().
+
+	RadioOff		RadioOffStatus;
+	u8			Reserved0[2];
+
+	u8			boMsRadioOff;			// Ndis demands to be true when set Disassoc. OID and be false when set SSID OID.
+	u8			boAntennaDiversity;		//TRUE/ON or FALSE/OFF
+	u8			bAntennaNo;				//which antenna
+	u8			bConnectFlag;			//the connect status flag for roaming task
+
+	u8			RoamStatus;
+	u8			reserved7[3];
+
+	ChanInfo	CurrentChan;			//Current channel no. and channel band. It may be changed by scanning.
+	u8			boHandover;				// Roaming, Hnadover to other AP.
+	u8			boCCAbusy;
+
+	u16			CWMax;					// It may not be the real value that H/W used
+	u8			CWMin;					// 255: set according to 802.11 spec.
+	u8			reserved2;
+
+	//11G:
+	u8			bMacOperationMode;		// operation in 802.11b or 802.11g
+	u8			bSlotTimeMode;			//AUTO, s32
+	u8			bPreambleMode;			//AUTO, s32
+	u8			boNonERPpresent;
+
+	u8			boProtectMechanism;	// H/W will take the necessary action based on this variable
+	u8			boShortPreamble;	// H/W will take the necessary action based on this variable
+	u8			boShortSlotTime;	// H/W will take the necessary action based on this variable
+	u8			reserved_3;
+
+	u32       	RSN_IE_Bitmap;		//added by WS
+	u32      		RSN_OUI_Type;		//added by WS
+
+	//For the BSSID
+	u8			HwBssid[MAC_ADDR_LENGTH + 2];
+	u32			HwBssidValid;
+
+	//For scan list
+	u8			BssListCount;							//Total count of valid descriptor indexes
+	u8			boReceiveUncorrectInfo;	//important settings in beacon/probe resp. have been changed
+	u8			NoOfJoinerInIbss;
+	u8			reserved_4;
+
+	u8			BssListIndex[ (MAX_BSS_DESCRIPT_ELEMENT+3) & ~0x03 ];	//Store the valid descriptor indexes obtained from scannings
+	u8			JoinerInIbss[ (MAX_BSS_DESCRIPT_ELEMENT+3) & ~0x03 ];	//save the BssDescriptor index in this
+														//IBSS. The index 0 is local descriptor
+														//(psLOCAL->wConnectedSTAindex).
+														//If CONNECTED : NoOfJoinerInIbss >=2
+														//		else   : NoOfJoinerInIbss <=1
+
+	//// General Statistics, count at Rx_handler or Tx_callback interrupt handler
+    u64 	GS_XMIT_OK;				// Good Frames Transmitted
+    u64 	GS_RCV_OK;				// Good Frames Received
+	u32		GS_RCV_ERROR;			// Frames received with crc error
+	u32		GS_XMIT_ERROR;			// Bad Frames Transmitted
+	u32		GS_RCV_NO_BUFFER;		// Receive Buffer underrun
+	u32		GS_XMIT_ONE_COLLISION;	// one collision
+	u32		GS_XMIT_MORE_COLLISIONS;// more collisions
+
+    //================================================================
+    // Statistics (no matter whether it had done successfully) -wkchen
+    //================================================================
+    u32		   	_NumRxMSDU;
+    u32	   		_NumTxMSDU;
+    u32	   		_dot11WEPExcludedCount;
+    u32	   		_dot11WEPUndecryptableCount;
+    u32	   		_dot11FrameDuplicateCount;
+
+	ChanInfo	IbssChanSetting;	// 2B. Start IBSS Channel setting by registry or WWU.
+	u8		reserved_5[2];		//It may not be used after considering RF type,
+									//region and modulation type.
+
+	CHAN_LIST	sSupportChanList;	// 86B. It will be obtained according to RF type and region
+	u8		reserved_6[2];		//two variables are for wep key error detection added by ws 02/02/04
+
+    u32	      bWepKeyError;
+    u32         bToSelfPacketReceived;
+    u32         WepKeyDetectTimerCount;
+
+	Event_Log	EventLog;
+
+	u16		SignalLostTh;
+	u16		SignalRoamTh;
+
+	// 20061108 WPS IE Append
+	u8		IE_Append_data[MAX_IE_APPEND_SIZE];
+	u16		IE_Append_size;
+	u16		reserved_7;
+
+} WB_LOCALDESCRIPT, *PWB_LOCALDESCRIPT;
+
+
diff --git a/drivers/staging/winbond/mac_structures.h b/drivers/staging/winbond/mac_structures.h
new file mode 100644
index 00000000000..031d2cb6cd6
--- /dev/null
+++ b/drivers/staging/winbond/mac_structures.h
@@ -0,0 +1,670 @@
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+// MAC_Structures.h
+//
+// This file contains the definitions and data structures used by SW-MAC.
+//
+// Revision Histoy
+//=================
+// 0.1      2002        UN00
+// 0.2      20021004    PD43 CCLiu6
+//          20021018    PD43 CCLiu6
+//                      Add enum_TxRate type
+//                      Modify enum_STAState type
+// 0.3      20021023    PE23 CYLiu update MAC session struct
+//          20021108
+//          20021122    PD43 Austin
+//                      Deleted some unused.
+//          20021129    PD43 Austin
+//			20030617	increase the 802.11g definition
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+#ifndef _MAC_Structures_H_
+#define _MAC_Structures_H_
+
+
+//=========================================================
+// Some miscellaneous definitions
+//-----
+#define MAX_CHANNELS                        30
+#define MAC_ADDR_LENGTH                     6
+#define MAX_WEP_KEY_SIZE                    16  // 128 bits
+#define	MAX_802_11_FRAGMENT_NUMBER		10 // By spec
+
+//========================================================
+// 802.11 Frame define
+//-----
+#define MASK_PROTOCOL_VERSION_TYPE	0x0F
+#define MASK_FRAGMENT_NUMBER		0x000F
+#define SEQUENCE_NUMBER_SHIFT		4
+#define DIFFER_11_TO_3				18
+#define DOT_11_MAC_HEADER_SIZE		24
+#define DOT_11_SNAP_SIZE			6
+#define DOT_11_DURATION_OFFSET		2
+#define DOT_11_SEQUENCE_OFFSET		22 //Sequence control offset
+#define DOT_11_TYPE_OFFSET			30 //The start offset of 802.11 Frame//
+#define DOT_11_DATA_OFFSET          24
+#define DOT_11_DA_OFFSET			4
+#define DOT_3_TYPE_ARP				0x80F3
+#define DOT_3_TYPE_IPX				0x8137
+#define DOT_3_TYPE_OFFSET			12
+
+
+#define ETHERNET_HEADER_SIZE			14
+#define MAX_ETHERNET_PACKET_SIZE		1514
+
+
+//-----  management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
+#define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST    0x00
+#define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE   0x10
+#define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST  0x20
+#define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30
+#define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST    0x40
+#define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE   0x50
+#define MAC_SUBTYPE_MNGMNT_BEACON           0x80
+#define MAC_SUBTYPE_MNGMNT_ATIM             0x90
+#define MAC_SUBTYPE_MNGMNT_DISASSOCIATION   0xA0
+#define MAC_SUBTYPE_MNGMNT_AUTHENTICATION   0xB0
+#define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0
+
+//-----  control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
+#define MAC_SUBTYPE_CONTROL_PSPOLL          0xA4
+#define MAC_SUBTYPE_CONTROL_RTS             0xB4
+#define MAC_SUBTYPE_CONTROL_CTS             0xC4
+#define MAC_SUBTYPE_CONTROL_ACK             0xD4
+#define MAC_SUBTYPE_CONTROL_CFEND           0xE4
+#define MAC_SUBTYPE_CONTROL_CFEND_CFACK     0xF4
+
+//-----  data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
+#define MAC_SUBTYPE_DATA                    0x08
+#define MAC_SUBTYPE_DATA_CFACK              0x18
+#define MAC_SUBTYPE_DATA_CFPOLL             0x28
+#define MAC_SUBTYPE_DATA_CFACK_CFPOLL       0x38
+#define MAC_SUBTYPE_DATA_NULL               0x48
+#define MAC_SUBTYPE_DATA_CFACK_NULL         0x58
+#define MAC_SUBTYPE_DATA_CFPOLL_NULL        0x68
+#define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL  0x78
+
+//-----  Frame Type of Bits (2, 3)
+#define MAC_TYPE_MANAGEMENT                 0x00
+#define MAC_TYPE_CONTROL                    0x04
+#define MAC_TYPE_DATA                       0x08
+
+//----- definitions for Management Frame Element ID (1 BYTE)
+#define ELEMENT_ID_SSID                     0
+#define ELEMENT_ID_SUPPORTED_RATES          1
+#define ELEMENT_ID_FH_PARAMETER_SET         2
+#define ELEMENT_ID_DS_PARAMETER_SET         3
+#define ELEMENT_ID_CF_PARAMETER_SET         4
+#define ELEMENT_ID_TIM                      5
+#define ELEMENT_ID_IBSS_PARAMETER_SET       6
+// 7~15 reserverd
+#define ELEMENT_ID_CHALLENGE_TEXT           16
+// 17~31 reserved for challenge text extension
+// 32~255 reserved
+//--  11G  --
+#define ELEMENT_ID_ERP_INFORMATION			42
+#define ELEMENT_ID_EXTENDED_SUPPORTED_RATES 50
+
+//--  WPA  --
+
+#define ELEMENT_ID_RSN_WPA					221
+#ifdef _WPA2_
+#define ELEMENT_ID_RSN_WPA2				    48
+#endif //endif WPA2
+
+#define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT    ((u16) 6)
+#define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT  ((u16) 2)
+
+#ifdef WB_LINUX
+#define UNALIGNED
+#endif
+
+//========================================================
+typedef enum enum_PowerManagementMode
+{
+    ACTIVE = 0,
+    POWER_SAVE
+} WB_PM_Mode, *PWB_PM_MODE;
+
+//===================================================================
+//  Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen
+//  length of ReasonCode is 2 Octs.
+//===================================================================
+#define REASON_REASERED             0
+#define REASON_UNSPECIDIED          1
+#define REASON_PREAUTH_INVALID      2
+#define DEAUTH_REASON_LEFT_BSS      3
+#define DISASS_REASON_AP_INACTIVE   4
+#define DISASS_REASON_AP_BUSY       5
+#define REASON_CLASS2_FRAME_FROM_NONAUTH_STA    6
+#define REASON_CLASS3_FRAME_FROM_NONASSO_STA    7
+#define DISASS_REASON_LEFT_BSS      8
+#define REASON_NOT_AUTH_YET         9
+//802.11i define
+#define REASON_INVALID_IE						13
+#define REASON_MIC_ERROR						14
+#define REASON_4WAY_HANDSHAKE_TIMEOUT			15
+#define REASON_GROUPKEY_UPDATE_TIMEOUT			16
+#define REASON_IE_DIFF_4WAY_ASSOC				17
+#define REASON_INVALID_MULTICAST_CIPHER			18
+#define REASON_INVALID_UNICAST_CIPHER			19
+#define REASON_INVALID_AKMP						20
+#define REASON_UNSUPPORTED_RSNIE_VERSION		21
+#define REASON_INVALID_RSNIE_CAPABILITY			22
+#define REASON_802_1X_AUTH_FAIL					23
+#define	REASON_CIPHER_REJECT_PER_SEC_POLICY		14
+
+/*
+//===========================================================
+// enum_MMPDUResultCode --
+//   Status code (2 Octs) in the MMPDU's frame body. Table.19
+//
+//===========================================================
+enum enum_MMPDUResultCode
+{
+//    SUCCESS   = 0,      // Redefined
+    UNSPECIFIED_FAILURE                         = 1,
+
+    // 2 - 9 Reserved
+
+    NOT_SUPPROT_CAPABILITIES                    = 10,
+
+    //REASSOCIATION_DENIED
+    //
+    REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST       = 11,
+
+    //ASSOCIATION_DENIED_NOT_IN_STANDARD
+    //
+    ASSOC_DENIED_REASON_NOT_IN_STANDARD         = 12,
+    PEER_NOT_SUPPORT_AUTH_ALGORITHM             = 13,
+    AUTH_SEQNUM_OUT_OF_EXPECT                   = 14,
+    AUTH_REJECT_REASON_CHALLENGE_FAIL           = 15,
+    AUTH_REJECT_REASON_WAIT_TIMEOUT             = 16,
+    ASSOC_DENIED_REASON_AP_BUSY                 = 17,
+    ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE  = 18
+} WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE;
+*/
+
+//===========================================================
+// enum_TxRate --
+//   Define the transmission constants based on W89C32 MAC
+//   target specification.
+//===========================================================
+typedef enum enum_TxRate
+{
+    TXRATE_1M               = 0,
+    TXRATE_2MLONG           = 2,
+    TXRATE_2MSHORT          = 3,
+    TXRATE_55MLONG          = 4,
+    TXRATE_55MSHORT         = 5,
+    TXRATE_11MLONG          = 6,
+    TXRATE_11MSHORT         = 7,
+    TXRATE_AUTO             = 255           // PD43 20021108
+} WB_TXRATE, *PWB_TXRATE;
+
+
+#define	RATE_BITMAP_1M				1
+#define	RATE_BITMAP_2M				2
+#define	RATE_BITMAP_5dot5M			5
+#define RATE_BITMAP_6M				6
+#define RATE_BITMAP_9M				9
+#define RATE_BITMAP_11M				11
+#define RATE_BITMAP_12M				12
+#define RATE_BITMAP_18M				18
+#define RATE_BITMAP_22M				22
+#define RATE_BITMAP_24M				24
+#define RATE_BITMAP_33M				17
+#define RATE_BITMAP_36M				19
+#define RATE_BITMAP_48M				25
+#define RATE_BITMAP_54M				28
+
+#define RATE_AUTO					0
+#define RATE_1M						2
+#define RATE_2M						4
+#define RATE_5dot5M					11
+#define RATE_6M						12
+#define RATE_9M						18
+#define RATE_11M					22
+#define RATE_12M					24
+#define RATE_18M					36
+#define RATE_22M					44
+#define RATE_24M					48
+#define RATE_33M					66
+#define RATE_36M					72
+#define RATE_48M					96
+#define RATE_54M					108
+#define RATE_MAX					255
+
+//CAPABILITY
+#define CAPABILITY_ESS_BIT				0x0001
+#define CAPABILITY_IBSS_BIT				0x0002
+#define CAPABILITY_CF_POLL_BIT			0x0004
+#define CAPABILITY_CF_POLL_REQ_BIT		0x0008
+#define CAPABILITY_PRIVACY_BIT			0x0010
+#define CAPABILITY_SHORT_PREAMBLE_BIT	0x0020
+#define CAPABILITY_PBCC_BIT				0x0040
+#define CAPABILITY_CHAN_AGILITY_BIT		0x0080
+#define CAPABILITY_SHORT_SLOT_TIME_BIT	0x0400
+#define CAPABILITY_DSSS_OFDM_BIT		0x2000
+
+
+struct Capability_Information_Element
+{
+  union
+  {
+  	u16 __attribute__ ((packed)) wValue;
+    #ifdef _BIG_ENDIAN_  //20060926 add by anson's endian
+    struct _Capability
+    {
+        //--  11G  --
+	u8	Reserved3 : 2;
+	u8	DSSS_OFDM : 1;
+	u8	Reserved2 : 2;
+	u8	Short_Slot_Time : 1;
+	u8    Reserved1 : 2;
+	u8    Channel_Agility : 1;
+	u8    PBCC : 1;
+	u8    ShortPreamble : 1;
+	u8    CF_Privacy : 1;
+	u8    CF_Poll_Request : 1;
+	u8    CF_Pollable : 1;
+	u8    IBSS : 1;
+	u8    ESS : 1;
+    } __attribute__ ((packed)) Capability;
+    #else
+    struct _Capability
+    {
+        u8    ESS : 1;
+        u8    IBSS : 1;
+        u8    CF_Pollable : 1;
+        u8    CF_Poll_Request : 1;
+        u8    CF_Privacy : 1;
+        u8    ShortPreamble : 1;
+        u8    PBCC : 1;
+        u8    Channel_Agility : 1;
+        u8    Reserved1 : 2;
+		//--  11G  --
+		u8	Short_Slot_Time : 1;
+		u8	Reserved2 : 2;
+		u8	DSSS_OFDM : 1;
+		u8	Reserved3 : 2;
+    } __attribute__ ((packed)) Capability;
+    #endif
+  }__attribute__ ((packed)) ;
+}__attribute__ ((packed));
+
+struct FH_Parameter_Set_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    Dwell_Time[2];
+    u8    Hop_Set;
+    u8    Hop_Pattern;
+    u8    Hop_Index;
+};
+
+struct DS_Parameter_Set_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    Current_Channel;
+};
+
+struct Supported_Rates_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    SupportedRates[8];
+}__attribute__ ((packed));
+
+struct SSID_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    SSID[32];
+}__attribute__ ((packed)) ;
+
+struct CF_Parameter_Set_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    CFP_Count;
+    u8    CFP_Period;
+    u8    CFP_MaxDuration[2];     // in Time Units
+    u8    CFP_DurRemaining[2];    // in time units
+};
+
+struct TIM_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    DTIM_Count;
+    u8    DTIM_Period;
+    u8    Bitmap_Control;
+    u8    Partial_Virtual_Bitmap[251];
+};
+
+struct IBSS_Parameter_Set_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    ATIM_Window[2];
+};
+
+struct Challenge_Text_Element
+{
+    u8    Element_ID;
+    u8    Length;
+    u8    Challenge_Text[253];
+};
+
+struct PHY_Parameter_Set_Element
+{
+//  int     aSlotTime;
+//  int     aSifsTime;
+    s32     aCCATime;
+    s32     aRxTxTurnaroundTime;
+    s32     aTxPLCPDelay;
+    s32     RxPLCPDelay;
+    s32     aRxTxSwitchTime;
+    s32     aTxRampOntime;
+    s32     aTxRampOffTime;
+    s32     aTxRFDelay;
+    s32     aRxRFDelay;
+    s32     aAirPropagationTime;
+    s32     aMACProcessingDelay;
+    s32     aPreambleLength;
+    s32     aPLCPHeaderLength;
+    s32     aMPDUDurationFactor;
+    s32     aMPDUMaxLength;
+//  int     aCWmin;
+//  int     aCWmax;
+};
+
+//--  11G  --
+struct ERP_Information_Element
+{
+    u8	Element_ID;
+    u8	Length;
+    #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
+    	u8	Reserved:5;   //20060926 add by anson
+       u8	Barker_Preamble_Mode:1;
+	u8	Use_Protection:1;
+       u8	NonERP_Present:1;
+    #else
+	u8	NonERP_Present:1;
+	u8	Use_Protection:1;
+	u8	Barker_Preamble_Mode:1;
+	u8	Reserved:5;
+    #endif
+};
+
+struct Extended_Supported_Rates_Element
+{
+    u8	Element_ID;
+    u8	Length;
+    u8	ExtendedSupportedRates[255];
+}__attribute__ ((packed));
+
+//WPA(802.11i draft 3.0)
+#define VERSION_WPA				1
+#ifdef _WPA2_
+#define VERSION_WPA2            1
+#endif //end def  _WPA2_
+#define OUI_WPA					0x00F25000	//WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type
+#ifdef _WPA2_
+#define OUI_WPA2				0x00AC0F00	// for wpa2 change to 0x00ACOF04 by Ws 26/04/04
+#endif //end def _WPA2_
+
+#define OUI_WPA_ADDITIONAL		0x01
+#define WLAN_MIN_RSN_WPA_LENGTH                 6 //added by ws 09/10/04
+#ifdef _WPA2_
+#define WLAN_MIN_RSN_WPA2_LENGTH                2 // Fix to 2 09/14/05
+#endif //end def _WPA2_
+
+#define oui_wpa                  (u32)(OUI_WPA|OUI_WPA_ADDITIONAL)
+
+#define WPA_OUI_BIG    ((u32) 0x01F25000)//added by ws 09/23/04
+#define WPA_OUI_LITTLE  ((u32) 0x01F25001)//added by ws 09/23/04
+
+#define WPA_WPS_OUI				cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204
+
+//-----WPA2-----
+#ifdef _WPA2_
+#define WPA2_OUI_BIG    ((u32)0x01AC0F00)
+#define WPA2_OUI_LITTLE ((u32)0x01AC0F01)
+#endif //end def _WPA2_
+
+//Authentication suite
+#define OUI_AUTH_WPA_NONE           0x00 //for WPA_NONE
+#define OUI_AUTH_8021X				0x01
+#define OUI_AUTH_PSK				0x02
+//Cipher suite
+#define OUI_CIPHER_GROUP_KEY        0x00  //added by ws 05/21/04
+#define OUI_CIPHER_WEP_40			0x01
+#define OUI_CIPHER_TKIP				0x02
+#define OUI_CIPHER_CCMP				0x04
+#define OUI_CIPHER_WEP_104			0x05
+
+typedef struct _SUITE_SELECTOR_
+{
+	union
+	{
+		u8	Value[4];
+		struct _SUIT_
+		{
+			u8	OUI[3];
+			u8	Type;
+		}SuitSelector;
+	};
+}SUITE_SELECTOR;
+
+//--  WPA  --
+struct	RSN_Information_Element
+{
+	u8					Element_ID;
+	u8					Length;
+	UNALIGNED SUITE_SELECTOR	OuiWPAAdditional;//WPA version 2.0 additional field, and should be 00:50:F2:01
+	u16					Version;
+	SUITE_SELECTOR		GroupKeySuite;
+	u16					PairwiseKeySuiteCount;
+	SUITE_SELECTOR		PairwiseKeySuite[1];
+}__attribute__ ((packed));
+struct RSN_Auth_Sub_Information_Element
+{
+	u16				AuthKeyMngtSuiteCount;
+	SUITE_SELECTOR	AuthKeyMngtSuite[1];
+}__attribute__ ((packed));
+
+//--  WPA2  --
+struct RSN_Capability_Element
+{
+  union
+  {
+	u16	__attribute__ ((packed))	wValue;
+    #ifdef _BIG_ENDIAN_	 //20060927 add by anson's endian
+    struct _RSN_Capability
+    {
+    	u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
+	u16   __attribute__ ((packed))  Reserved1 : 2;
+	u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
+	u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
+	u16   __attribute__ ((packed))  No_Pairwise : 1;
+        u16   __attribute__ ((packed))  Pre_Auth : 1;
+    }__attribute__ ((packed))  RSN_Capability;
+    #else
+    struct _RSN_Capability
+    {
+        u16   __attribute__ ((packed))  Pre_Auth : 1;
+        u16   __attribute__ ((packed))  No_Pairwise : 1;
+        u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
+	    u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
+	    u16   __attribute__ ((packed))  Reserved1 : 2;
+	    u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
+    }__attribute__ ((packed))  RSN_Capability;
+    #endif
+
+  }__attribute__ ((packed)) ;
+}__attribute__ ((packed)) ;
+
+#ifdef _WPA2_
+typedef struct _PMKID
+{
+  u8 pValue[16];
+}PMKID;
+
+struct	WPA2_RSN_Information_Element
+{
+	u8					Element_ID;
+	u8					Length;
+	u16					Version;
+	SUITE_SELECTOR		GroupKeySuite;
+	u16					PairwiseKeySuiteCount;
+	SUITE_SELECTOR		PairwiseKeySuite[1];
+
+}__attribute__ ((packed));
+
+struct WPA2_RSN_Auth_Sub_Information_Element
+{
+	u16				AuthKeyMngtSuiteCount;
+	SUITE_SELECTOR	AuthKeyMngtSuite[1];
+}__attribute__ ((packed));
+
+
+struct PMKID_Information_Element
+{
+	u16				PMKID_Count;
+	PMKID pmkid [16] ;
+}__attribute__ ((packed));
+
+#endif //enddef _WPA2_
+//============================================================
+// MAC Frame structure (different type) and subfield structure
+//============================================================
+struct MAC_frame_control
+{
+    u8    mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype]
+    #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian
+    u8    order:1;
+    u8    WEP:1;
+    u8    more_data:1;
+    u8    pwr_mgt:1;
+    u8    retry:1;
+    u8    more_frag:1;
+    u8    from_ds:1;
+    u8    to_ds:1;
+    #else
+    u8    to_ds:1;
+    u8    from_ds:1;
+    u8    more_frag:1;
+    u8    retry:1;
+    u8    pwr_mgt:1;
+    u8    more_data:1;
+    u8    WEP:1;
+    u8    order:1;
+    #endif
+} __attribute__ ((packed));
+
+struct Management_Frame {
+    struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0
+    u16		duration;
+    u8		DA[MAC_ADDR_LENGTH];			// Addr1
+    u8		SA[MAC_ADDR_LENGTH];			// Addr2
+    u8		BSSID[MAC_ADDR_LENGTH];			// Addr3
+    u16		Sequence_Control;
+    // Management Frame Body <= 325 bytes
+    // FCS 4 bytes
+}__attribute__ ((packed));
+
+// SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it.
+struct Control_Frame {
+    struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0
+    u16		duration;
+    u8		RA[MAC_ADDR_LENGTH];
+    u8		TA[MAC_ADDR_LENGTH];
+    u16		FCS;
+}__attribute__ ((packed));
+
+struct Data_Frame {
+    struct MAC_frame_control frame_control;
+    u16		duration;
+    u8		Addr1[MAC_ADDR_LENGTH];
+    u8		Addr2[MAC_ADDR_LENGTH];
+    u8		Addr3[MAC_ADDR_LENGTH];
+    u16		Sequence_Control;
+    u8		Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1
+    // Data Frame Body <= 2312
+    // FCS
+}__attribute__ ((packed));
+
+struct Disassociation_Frame_Body
+{
+    u16    reasonCode;
+}__attribute__ ((packed));
+
+struct Association_Request_Frame_Body
+{
+    u16    capability_information;
+    u16    listenInterval;
+    u8     Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only
+    // SSID (2+32 bytes)
+    // Supported_Rates (2+8 bytes)
+}__attribute__ ((packed));
+
+struct Association_Response_Frame_Body
+{
+    u16    capability_information;
+    u16    statusCode;
+    u16    Association_ID;
+    struct Supported_Rates_Element supportedRates;
+}__attribute__ ((packed));
+
+/*struct Reassociation_Request_Frame_Body
+{
+    u16    capability_information;
+    u16    listenInterval;
+    u8     Current_AP_Address[MAC_ADDR_LENGTH];
+    // SSID (2+32 bytes)
+    // Supported_Rates (2+8 bytes)
+};*/
+// eliminated by WS 07/22/04 comboined with associateion request frame.
+
+struct Reassociation_Response_Frame_Body
+{
+    u16    capability_information;
+    u16    statusCode;
+    u16    Association_ID;
+    struct Supported_Rates_Element supportedRates;
+}__attribute__ ((packed));
+
+struct Deauthentication_Frame_Body
+{
+    u16    reasonCode;
+}__attribute__ ((packed));
+
+
+struct Probe_Response_Frame_Body
+{
+    u16    Timestamp;
+    u16    Beacon_Interval;
+    u16    Capability_Information;
+    // SSID
+    // Supported_Rates
+    // PHY parameter Set (DS Parameters)
+    // CF parameter Set
+    // IBSS parameter Set
+}__attribute__ ((packed));
+
+struct Authentication_Frame_Body
+{
+    u16    algorithmNumber;
+    u16    sequenceNumber;
+    u16    statusCode;
+    // NB: don't include ChallengeText in this structure
+	// struct Challenge_Text_Element sChallengeTextElement; // wkchen added
+}__attribute__ ((packed));
+
+
+#endif // _MAC_Structure_H_
+
+
diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c
new file mode 100644
index 00000000000..8ce6389c413
--- /dev/null
+++ b/drivers/staging/winbond/mds.c
@@ -0,0 +1,630 @@
+#include "os_common.h"
+
+void
+Mds_reset_descriptor(PADAPTER Adapter)
+{
+	PMDS pMds = &Adapter->Mds;
+
+	pMds->TxPause = 0;
+	pMds->TxThreadCount = 0;
+	pMds->TxFillIndex = 0;
+	pMds->TxDesIndex = 0;
+	pMds->ScanTxPause = 0;
+	memset(pMds->TxOwner, 0, ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03));
+}
+
+unsigned char
+Mds_initial(PADAPTER Adapter)
+{
+	PMDS pMds = &Adapter->Mds;
+
+	pMds->TxPause = FALSE;
+	pMds->TxRTSThreshold = DEFAULT_RTSThreshold;
+	pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
+
+	vRxTimerInit(Adapter);//for WPA countermeasure
+
+	return hal_get_tx_buffer( &Adapter->sHwData, &pMds->pTxBuffer );
+}
+
+void
+Mds_Destroy(PADAPTER Adapter)
+{
+	vRxTimerStop(Adapter);
+}
+
+void
+Mds_Tx(PADAPTER Adapter)
+{
+	phw_data_t	pHwData = &Adapter->sHwData;
+	PMDS		pMds = &Adapter->Mds;
+	DESCRIPTOR	TxDes;
+	PDESCRIPTOR	pTxDes = &TxDes;
+	PUCHAR		XmitBufAddress;
+	u16		XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
+	u8		FillIndex, TxDesIndex, FragmentCount, FillCount;
+	unsigned char	BufferFilled = FALSE, MICAdd = 0;
+
+
+	if (pMds->TxPause)
+		return;
+	if (!hal_driver_init_OK(pHwData))
+		return;
+
+	//Only one thread can be run here
+	if (!OS_ATOMIC_INC( Adapter, &pMds->TxThreadCount) == 1)
+		goto cleanup;
+
+	// Start to fill the data
+	do {
+		FillIndex = pMds->TxFillIndex;
+		if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No
+#ifdef _PE_TX_DUMP_
+			WBDEBUG(("[Mds_Tx] Tx Owner is H/W.\n"));
+#endif
+			break;
+		}
+
+		XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer
+		XmitBufSize = 0;
+		FillCount = 0;
+		do {
+			PacketSize = Adapter->sMlmeFrame.len;
+			if (!PacketSize)
+				break;
+
+			//For Check the buffer resource
+			FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
+			//931130.5.b
+			FragmentCount = PacketSize/FragmentThreshold + 1;
+			stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC
+			if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) {
+				printk("[Mds_Tx] Excess max tx buffer.\n");
+				break; // buffer is not enough
+			}
+
+
+			//
+			// Start transmitting
+			//
+			BufferFilled = TRUE;
+
+			/* Leaves first u8 intact */
+			memset((PUCHAR)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1);
+
+			TxDesIndex = pMds->TxDesIndex;//Get the current ID
+			pTxDes->Descriptor_ID = TxDesIndex;
+			pMds->TxDesFrom[ TxDesIndex ] = 2;//Storing the information of source comming from
+			pMds->TxDesIndex++;
+			pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR;
+
+			MLME_GetNextPacket( Adapter, pTxDes );
+
+			// Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type
+			Mds_HeaderCopy( Adapter, pTxDes, XmitBufAddress );
+
+			// For speed up Key setting
+			if (pTxDes->EapFix) {
+#ifdef _PE_TX_DUMP_
+				WBDEBUG(("35: EPA 4th frame detected. Size = %d\n", PacketSize));
+#endif
+				pHwData->IsKeyPreSet = 1;
+			}
+
+			// Copy (fragment) frame body, and set USB, 802.11 hdr flag
+			CurrentSize = Mds_BodyCopy(Adapter, pTxDes, XmitBufAddress);
+
+			// Set RTS/CTS and Normal duration field into buffer
+			Mds_DurationSet(Adapter, pTxDes, XmitBufAddress);
+
+			//
+			// Calculation MIC from buffer which maybe fragment, then fill into temporary address 8 byte
+			// 931130.5.e
+			if (MICAdd)
+				Mds_MicFill( Adapter, pTxDes, XmitBufAddress );
+
+			//Shift to the next address
+			XmitBufSize += CurrentSize;
+			XmitBufAddress += CurrentSize;
+
+#ifdef _IBSS_BEACON_SEQ_STICK_
+			if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr
+#endif
+				pMds->TxToggle = TRUE;
+
+			// Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data
+			MLME_SendComplete(Adapter, 0, TRUE);
+
+			// Software TSC count 20060214
+			pMds->TxTsc++;
+			if (pMds->TxTsc == 0)
+				pMds->TxTsc_2++;
+
+			FillCount++; // 20060928
+		} while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. FALSE = single TRUE = multiple sending
+
+		// Move to the next one, if necessary
+		if (BufferFilled) {
+			// size setting
+			pMds->TxBufferSize[ FillIndex ] = XmitBufSize;
+
+			// 20060928 set Tx count
+			pMds->TxCountInBuffer[FillIndex] = FillCount;
+
+			// Set owner flag
+			pMds->TxOwner[FillIndex] = 1;
+
+			pMds->TxFillIndex++;
+			pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER;
+			BufferFilled = FALSE;
+		} else
+			break;
+
+		if (!PacketSize) // No more pk for transmitting
+			break;
+
+	} while(TRUE);
+
+	//
+	// Start to send by lower module
+	//
+	if (!pHwData->IsKeyPreSet)
+		Wb35Tx_start(pHwData);
+
+ cleanup:
+	OS_ATOMIC_DEC( Adapter, &pMds->TxThreadCount );
+}
+
+void
+Mds_SendComplete(PADAPTER Adapter, PT02_DESCRIPTOR pT02)
+{
+	PMDS	pMds = &Adapter->Mds;
+	phw_data_t	pHwData = &Adapter->sHwData;
+	u8	PacketId = (u8)pT02->T02_Tx_PktID;
+	unsigned char	SendOK = TRUE;
+	u8	RetryCount, TxRate;
+
+	if (pT02->T02_IgnoreResult) // Don't care the result
+		return;
+	if (pT02->T02_IsLastMpdu) {
+		//TODO: DTO -- get the retry count and fragment count
+		// Tx rate
+		TxRate = pMds->TxRate[ PacketId ][ 0 ];
+		RetryCount = (u8)pT02->T02_MPDU_Cnt;
+		if (pT02->value & FLAG_ERROR_TX_MASK) {
+			SendOK = FALSE;
+
+			if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) {
+				//retry error
+				pHwData->dto_tx_retry_count += (RetryCount+1);
+				//[for tx debug]
+				if (RetryCount<7)
+					pHwData->tx_retry_count[RetryCount] += RetryCount;
+				else
+					pHwData->tx_retry_count[7] += RetryCount;
+				#ifdef _PE_STATE_DUMP_
+				WBDEBUG(("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count));
+				#endif
+				MTO_SetTxCount(Adapter, TxRate, RetryCount);
+			}
+			pHwData->dto_tx_frag_count += (RetryCount+1);
+
+			//[for tx debug]
+			if (pT02->T02_transmit_abort_due_to_TBTT)
+				pHwData->tx_TBTT_start_count++;
+			if (pT02->T02_transmit_without_encryption_due_to_wep_on_false)
+				pHwData->tx_WepOn_false_count++;
+			if (pT02->T02_discard_due_to_null_wep_key)
+				pHwData->tx_Null_key_count++;
+		} else {
+			if (pT02->T02_effective_transmission_rate)
+				pHwData->tx_ETR_count++;
+			MTO_SetTxCount(Adapter, TxRate, RetryCount);
+		}
+
+		// Clear send result buffer
+		pMds->TxResult[ PacketId ] = 0;
+	} else
+		pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff));
+}
+
+void
+Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
+{
+	PMDS	pMds = &Adapter->Mds;
+	PUCHAR	src_buffer = pDes->buffer_address[0];//931130.5.g
+	PT00_DESCRIPTOR	pT00;
+	PT01_DESCRIPTOR	pT01;
+	u16	stmp;
+	u8	i, ctmp1, ctmp2, ctmpf;
+	u16	FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD;
+
+
+	stmp = pDes->buffer_total_size;
+	//
+	// Set USB header 8 byte
+	//
+	pT00 = (PT00_DESCRIPTOR)TargetBuffer;
+	TargetBuffer += 4;
+	pT01 = (PT01_DESCRIPTOR)TargetBuffer;
+	TargetBuffer += 4;
+
+	pT00->value = 0;// Clear
+	pT01->value = 0;// Clear
+
+	pT00->T00_tx_packet_id = pDes->Descriptor_ID;// Set packet ID
+	pT00->T00_header_length = 24;// Set header length
+	pT01->T01_retry_abort_ebable = 1;//921013 931130.5.h
+
+	// Key ID setup
+	pT01->T01_wep_id = 0;
+
+	FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;	//Do not fragment
+	// Copy full data, the 1'st buffer contain all the data 931130.5.j
+	memcpy( TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE );// Copy header
+	pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE;
+	pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE;
+	pDes->buffer_size[0] = pDes->buffer_total_size;
+
+	// Set fragment threshold
+	FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4);
+	pDes->FragmentThreshold = FragmentThreshold;
+
+	// Set more frag bit
+	TargetBuffer[1] |= 0x04;// Set more frag bit
+
+	//
+	// Set tx rate
+	//
+	stmp = *(PUSHORT)(TargetBuffer+30); // 2n alignment address
+
+	//Use basic rate
+	ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG;
+
+	pDes->TxRate = ctmp1;
+	#ifdef _PE_TX_DUMP_
+	WBDEBUG(("Tx rate =%x\n", ctmp1));
+	#endif
+
+	pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1;
+
+	for( i=0; i<2; i++ ) {
+		if( i == 1 )
+			ctmp1 = ctmpf;
+
+		pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; // backup the ta rate and fall back rate
+
+		if( ctmp1 == 108) ctmp2 = 7;
+		else if( ctmp1 == 96 ) ctmp2 = 6; // Rate convert for USB
+		else if( ctmp1 == 72 ) ctmp2 = 5;
+		else if( ctmp1 == 48 ) ctmp2 = 4;
+		else if( ctmp1 == 36 ) ctmp2 = 3;
+		else if( ctmp1 == 24 ) ctmp2 = 2;
+		else if( ctmp1 == 18 ) ctmp2 = 1;
+		else if( ctmp1 == 12 ) ctmp2 = 0;
+		else if( ctmp1 == 22 ) ctmp2 = 3;
+		else if( ctmp1 == 11 ) ctmp2 = 2;
+		else if( ctmp1 == 4  ) ctmp2 = 1;
+		else ctmp2 = 0; // if( ctmp1 == 2  ) or default
+
+		if( i == 0 )
+			pT01->T01_transmit_rate = ctmp2;
+		else
+			pT01->T01_fall_back_rate = ctmp2;
+	}
+
+	//
+	// Set preamble type
+	//
+	if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0))	// RATE_1M
+		pDes->PreambleMode =  WLAN_PREAMBLE_TYPE_LONG;
+	else
+		pDes->PreambleMode =  CURRENT_PREAMBLE_MODE;
+	pT01->T01_plcp_header_length = pDes->PreambleMode;	// Set preamble
+
+}
+
+// The function return the 4n size of usb pk
+u16
+Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
+{
+	PT00_DESCRIPTOR	pT00;
+	PMDS	pMds = &Adapter->Mds;
+	PUCHAR	buffer, src_buffer, pctmp;
+	u16	Size = 0;
+	u16	SizeLeft, CopySize, CopyLeft, stmp;
+	u8	buf_index, FragmentCount = 0;
+
+
+	// Copy fragment body
+	buffer = TargetBuffer; // shift 8B usb + 24B 802.11
+	SizeLeft = pDes->buffer_total_size;
+	buf_index = pDes->buffer_start_index;
+
+	pT00 = (PT00_DESCRIPTOR)buffer;
+	while (SizeLeft) {
+		pT00 = (PT00_DESCRIPTOR)buffer;
+		CopySize = SizeLeft;
+		if (SizeLeft > pDes->FragmentThreshold) {
+			CopySize = pDes->FragmentThreshold;
+			pT00->T00_frame_length = 24 + CopySize;//Set USB length
+		} else
+			pT00->T00_frame_length = 24 + SizeLeft;//Set USB length
+
+		SizeLeft -= CopySize;
+
+		// 1 Byte operation
+		pctmp = (PUCHAR)( buffer + 8 + DOT_11_SEQUENCE_OFFSET );
+		*pctmp &= 0xf0;
+		*pctmp |= FragmentCount;//931130.5.m
+		if( !FragmentCount )
+			pT00->T00_first_mpdu = 1;
+
+		buffer += 32; // 8B usb + 24B 802.11 header
+		Size += 32;
+
+		// Copy into buffer
+		stmp = CopySize + 3;
+		stmp &= ~0x03;//4n Alignment
+		Size += stmp;// Current 4n offset of mpdu
+
+		while (CopySize) {
+			// Copy body
+			src_buffer = pDes->buffer_address[buf_index];
+			CopyLeft = CopySize;
+			if (CopySize >= pDes->buffer_size[buf_index]) {
+				CopyLeft = pDes->buffer_size[buf_index];
+
+				// Get the next buffer of descriptor
+				buf_index++;
+				buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
+			} else {
+				PUCHAR	pctmp = pDes->buffer_address[buf_index];
+				pctmp += CopySize;
+				pDes->buffer_address[buf_index] = pctmp;
+				pDes->buffer_size[buf_index] -= CopySize;
+			}
+
+			memcpy(buffer, src_buffer, CopyLeft);
+			buffer += CopyLeft;
+			CopySize -= CopyLeft;
+		}
+
+		// 931130.5.n
+		if (pMds->MicAdd) {
+			if (!SizeLeft) {
+				pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd;
+				pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd;
+				pMds->MicAdd = 0;
+			}
+			else if( SizeLeft < 8 ) //931130.5.p
+			{
+				pMds->MicAdd = SizeLeft;
+				pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft );
+				pMds->MicWriteSize[ pMds->MicWriteIndex ] = 8 - SizeLeft;
+				pMds->MicWriteIndex++;
+			}
+		}
+
+		// Does it need to generate the new header for next mpdu?
+		if (SizeLeft) {
+			buffer = TargetBuffer + Size; // Get the next 4n start address
+			memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11
+			pT00 = (PT00_DESCRIPTOR)buffer;
+			pT00->T00_first_mpdu = 0;
+		}
+
+		FragmentCount++;
+	}
+
+	pT00->T00_last_mpdu = 1;
+	pT00->T00_IsLastMpdu = 1;
+	buffer = (PUCHAR)pT00 + 8; // +8 for USB hdr
+	buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control
+	pDes->FragmentCount = FragmentCount; // Update the correct fragment number
+	return Size;
+}
+
+
+void
+Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR buffer )
+{
+	PT00_DESCRIPTOR	pT00;
+	PT01_DESCRIPTOR	pT01;
+	u16	Duration, NextBodyLen, OffsetSize;
+	u8	Rate, i;
+	unsigned char	CTS_on = FALSE, RTS_on = FALSE;
+	PT00_DESCRIPTOR pNextT00;
+	u16 BodyLen;
+	unsigned char boGroupAddr = FALSE;
+
+
+	OffsetSize = pDes->FragmentThreshold + 32 + 3;
+	OffsetSize &= ~0x03;
+	Rate = pDes->TxRate >> 1;
+	if (!Rate)
+		Rate = 1;
+
+	pT00 = (PT00_DESCRIPTOR)buffer;
+	pT01 = (PT01_DESCRIPTOR)(buffer+4);
+	pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
+
+	if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr
+		boGroupAddr = TRUE;
+
+	//========================================
+	// Set RTS/CTS mechanism
+	//========================================
+	if (!boGroupAddr)
+	{
+		//NOTE : If the protection mode is enabled and the MSDU will be fragmented,
+		//		 the tx rates of MPDUs will all be DSSS rates. So it will not use
+		//		 CTS-to-self in this case. CTS-To-self will only be used when without
+		//		 fragmentation. -- 20050112
+		BodyLen = (u16)pT00->T00_frame_length;	//include 802.11 header
+		BodyLen += 4;	//CRC
+
+		if( BodyLen >= CURRENT_RTS_THRESHOLD )
+			RTS_on = TRUE; // Using RTS
+		else
+		{
+			if( pT01->T01_modulation_type ) // Is using OFDM
+			{
+				if( CURRENT_PROTECT_MECHANISM ) // Is using protect
+					CTS_on = TRUE; // Using CTS
+			}
+		}
+	}
+
+	if( RTS_on || CTS_on )
+	{
+		if( pT01->T01_modulation_type) // Is using OFDM
+		{
+			//CTS duration
+			// 2 SIFS + DATA transmit time + 1 ACK
+			// ACK Rate : 24 Mega bps
+			// ACK frame length = 14 bytes
+			Duration = 2*DEFAULT_SIFSTIME +
+					   2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
+					   ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym +
+					   ((112 + 22 + 95)/96)*Tsym;
+		}
+		else	//DSSS
+		{
+			//CTS duration
+			// 2 SIFS + DATA transmit time + 1 ACK
+			// Rate : ?? Mega bps
+			// ACK frame length = 14 bytes
+			if( pT01->T01_plcp_header_length ) //long preamble
+				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
+			else
+				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2;
+
+			Duration += ( ((BodyLen + 14)*8 + Rate-1) / Rate +
+						DEFAULT_SIFSTIME*2 );
+		}
+
+		if( RTS_on )
+		{
+			if( pT01->T01_modulation_type ) // Is using OFDM
+			{
+				//CTS + 1 SIFS + CTS duration
+				//CTS Rate : 24 Mega bps
+				//CTS frame length = 14 bytes
+				Duration += (DEFAULT_SIFSTIME +
+								PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION +
+								((112 + 22 + 95)/96)*Tsym);
+			}
+			else
+			{
+				//CTS + 1 SIFS + CTS duration
+				//CTS Rate : ?? Mega bps
+				//CTS frame length = 14 bytes
+				if( pT01->T01_plcp_header_length ) //long preamble
+					Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
+				else
+					Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
+
+				Duration += ( ((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME );
+			}
+		}
+
+		// Set the value into USB descriptor
+		pT01->T01_add_rts = RTS_on ? 1 : 0;
+		pT01->T01_add_cts = CTS_on ? 1 : 0;
+		pT01->T01_rts_cts_duration = Duration;
+	}
+
+	//=====================================
+	// Fill the more fragment descriptor
+	//=====================================
+	if( boGroupAddr )
+		Duration = 0;
+	else
+	{
+		for( i=pDes->FragmentCount-1; i>0; i-- )
+		{
+			NextBodyLen = (u16)pNextT00->T00_frame_length;
+			NextBodyLen += 4;	//CRC
+
+			if( pT01->T01_modulation_type )
+			{
+				//OFDM
+				// data transmit time + 3 SIFS + 2 ACK
+				// Rate : ??Mega bps
+				// ACK frame length = 14 bytes, tx rate = 24M
+				Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3;
+				Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym +
+							(((2*14)*8 + 22 + 95)/96)*Tsym +
+							DEFAULT_SIFSTIME*3);
+			}
+			else
+			{
+				//DSSS
+				// data transmit time + 2 ACK + 3 SIFS
+				// Rate : ??Mega bps
+				// ACK frame length = 14 bytes
+				//TODO :
+				if( pT01->T01_plcp_header_length ) //long preamble
+					Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
+				else
+					Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3;
+
+				Duration += ( ((NextBodyLen + (2*14))*8 + Rate-1) / Rate +
+							DEFAULT_SIFSTIME*3 );
+			}
+
+			((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+
+			//----20061009 add by anson's endian
+			pNextT00->value = cpu_to_le32(pNextT00->value);
+			pT01->value = cpu_to_le32( pT01->value );
+			//----end 20061009 add by anson's endian
+
+			buffer += OffsetSize;
+			pT01 = (PT01_DESCRIPTOR)(buffer+4);
+			if (i != 1)	//The last fragment will not have the next fragment
+				pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize);
+		}
+
+		//=====================================
+		// Fill the last fragment descriptor
+		//=====================================
+		if( pT01->T01_modulation_type )
+		{
+			//OFDM
+			// 1 SIFS + 1 ACK
+			// Rate : 24 Mega bps
+			// ACK frame length = 14 bytes
+			Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION;
+			//The Tx rate of ACK use 24M
+			Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME );
+		}
+		else
+		{
+			// DSSS
+			// 1 ACK + 1 SIFS
+			// Rate : ?? Mega bps
+			// ACK frame length = 14 bytes(112 bits)
+			if( pT01->T01_plcp_header_length ) //long preamble
+				Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME;
+			else
+				Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME;
+
+			Duration += ( (112 + Rate-1)/Rate +	DEFAULT_SIFSTIME );
+		}
+	}
+
+	((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+	pT00->value = cpu_to_le32(pT00->value);
+	pT01->value = cpu_to_le32(pT01->value);
+	//--end 20061009 add
+
+}
+
+void MDS_EthernetPacketReceive(  PADAPTER Adapter,  PRXLAYER1 pRxLayer1 )
+{
+		OS_RECEIVE_PACKET_INDICATE( Adapter, pRxLayer1 );
+}
+
+
diff --git a/drivers/staging/winbond/mds_f.h b/drivers/staging/winbond/mds_f.h
new file mode 100644
index 00000000000..651188be106
--- /dev/null
+++ b/drivers/staging/winbond/mds_f.h
@@ -0,0 +1,33 @@
+unsigned char Mds_initial(  PADAPTER Adapter );
+void Mds_Destroy(  PADAPTER Adapter );
+void Mds_Tx(  PADAPTER Adapter );
+void Mds_HeaderCopy(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR TargetBuffer );
+u16 Mds_BodyCopy(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR TargetBuffer );
+void Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR TargetBuffer );
+void Mds_SendComplete(  PADAPTER Adapter,  PT02_DESCRIPTOR pT02 );
+void Mds_MpduProcess(  PADAPTER Adapter,  PDESCRIPTOR pRxDes );
+void Mds_reset_descriptor(  PADAPTER Adapter );
+extern void DataDmp(u8 *pdata, u32 len, u32 offset);
+
+
+void vRxTimerInit(PWB32_ADAPTER Adapter);
+void vRxTimerStart(PWB32_ADAPTER Adapter, int timeout_value);
+void RxTimerHandler_1a( PADAPTER Adapter);
+void vRxTimerStop(PWB32_ADAPTER Adapter);
+void RxTimerHandler( void*			SystemSpecific1,
+					   PWB32_ADAPTER 	Adapter,
+					   void*			SystemSpecific2,
+					   void*			SystemSpecific3);
+
+
+// For Asynchronous indicating. The routine collocates with USB.
+void Mds_MsduProcess(  PWB32_ADAPTER Adapter,  PRXLAYER1 pRxLayer1,  u8 SlotIndex);
+
+// For data frame sending 20060802
+u16 MDS_GetPacketSize(  PADAPTER Adapter );
+void MDS_GetNextPacket(  PADAPTER Adapter,  PDESCRIPTOR pDes );
+void MDS_GetNextPacketComplete(  PADAPTER Adapter,  PDESCRIPTOR pDes );
+void MDS_SendResult(  PADAPTER Adapter,  u8 PacketId,  unsigned char SendOK );
+void MDS_EthernetPacketReceive(  PADAPTER Adapter,  PRXLAYER1 pRxLayer1 );
+
+
diff --git a/drivers/staging/winbond/mds_s.h b/drivers/staging/winbond/mds_s.h
new file mode 100644
index 00000000000..4738279d5f3
--- /dev/null
+++ b/drivers/staging/winbond/mds_s.h
@@ -0,0 +1,183 @@
+////////////////////////////////////////////////////////////////////////////////////////////////////////
+#define MAX_USB_TX_DESCRIPTOR		15		// IS89C35 ability
+#define MAX_USB_TX_BUFFER_NUMBER	4		// Virtual pre-buffer number of MAX_USB_TX_BUFFER
+#define MAX_USB_TX_BUFFER			4096	// IS89C35 ability 4n alignment is required for hardware
+
+#define MDS_EVENT_INDICATE( _A, _B, _F )	OS_EVENT_INDICATE( _A, _B, _F )
+#define AUTH_REQUEST_PAIRWISE_ERROR			0		// _F flag setting
+#define AUTH_REQUEST_GROUP_ERROR			1		// _F flag setting
+
+// For variable setting
+#define CURRENT_BSS_TYPE				psBSS(psLOCAL->wConnectedSTAindex)->bBssType
+#define CURRENT_WEP_MODE				psSME->_dot11PrivacyInvoked
+#define CURRENT_BSSID					psBSS(psLOCAL->wConnectedSTAindex)->abBssID
+#define CURRENT_DESIRED_WPA_ENABLE		((psSME->bDesiredAuthMode==WPA_AUTH)||(psSME->bDesiredAuthMode==WPAPSK_AUTH))
+#ifdef _WPA2_
+#define CURRENT_DESIRED_WPA2_ENABLE		((psSME->bDesiredAuthMode==WPA2_AUTH)||(psSME->bDesiredAuthMode==WPA2PSK_AUTH))
+#endif //end def _WPA2_
+#define CURRENT_PAIRWISE_KEY_OK			psSME->pairwise_key_ok
+//[20040712 WS]
+#define CURRENT_GROUP_KEY_OK			psSME->group_key_ok
+#define CURRENT_PAIRWISE_KEY			psSME->tx_mic_key
+#define CURRENT_GROUP_KEY				psSME->group_tx_mic_key
+#define CURRENT_ENCRYPT_STATUS			psSME->encrypt_status
+#define CURRENT_WEP_ID					Adapter->sSmePara._dot11WEPDefaultKeyID
+#define CURRENT_CONTROL_PORT_BLOCK		( psSME->wpa_ok!=1 || (Adapter->Mds.boCounterMeasureBlock==1 && (CURRENT_ENCRYPT_STATUS==ENCRYPT_TKIP)) )
+#define CURRENT_FRAGMENT_THRESHOLD		(Adapter->Mds.TxFragmentThreshold & ~0x1)
+#define CURRENT_PREAMBLE_MODE			psLOCAL->boShortPreamble?WLAN_PREAMBLE_TYPE_SHORT:WLAN_PREAMBLE_TYPE_LONG
+#define CURRENT_LINK_ON					OS_LINK_STATUS
+#define CURRENT_TX_RATE					Adapter->sLocalPara.CurrentTxRate
+#define CURRENT_FALL_BACK_TX_RATE		Adapter->sLocalPara.CurrentTxFallbackRate
+#define CURRENT_TX_RATE_FOR_MNG			Adapter->sLocalPara.CurrentTxRateForMng
+#define CURRENT_PROTECT_MECHANISM		psLOCAL->boProtectMechanism
+#define CURRENT_RTS_THRESHOLD			Adapter->Mds.TxRTSThreshold
+
+#define MIB_GS_XMIT_OK_INC				Adapter->sLocalPara.GS_XMIT_OK++
+#define MIB_GS_RCV_OK_INC				Adapter->sLocalPara.GS_RCV_OK++
+#define MIB_GS_XMIT_ERROR_INC			Adapter->sLocalPara.GS_XMIT_ERROR
+
+//---------- TX -----------------------------------
+#define ETHERNET_TX_DESCRIPTORS         MAX_USB_TX_BUFFER_NUMBER
+
+//---------- RX ------------------------------------
+#define ETHERNET_RX_DESCRIPTORS			8	//It's not necessary to allocate more than 2 in sync indicate
+
+//================================================================
+// Configration default value
+//================================================================
+#define DEFAULT_MULTICASTLISTMAX		32 		// standard
+#define DEFAULT_TX_BURSTLENGTH			3 		// 32 Longwords
+#define DEFAULT_RX_BURSTLENGTH			3 		// 32 Longwords
+#define DEFAULT_TX_THRESHOLD			0 		// Full Packet
+#define DEFAULT_RX_THRESHOLD			0 		// Full Packet
+#define DEFAULT_MAXTXRATE				6 		// 11 Mbps (Long)
+#define DEFAULT_CHANNEL					3 		// Chennel 3
+#define DEFAULT_RTSThreshold			2347 	// Disable RTS
+//#define DEFAULT_PME						1 		// Enable
+#define DEFAULT_PME						0 		// Disable
+#define DEFAULT_SIFSTIME				10
+#define DEFAULT_ACKTIME_1ML             304     // 148+44+112 911220 by LCC
+#define DEFAULT_ACKTIME_2ML             248     // 148+44+56 911220 by LCC
+#define DEFAULT_FRAGMENT_THRESHOLD      2346 	// No fragment
+#define DEFAULT_PREAMBLE_LENGTH			72
+#define DEFAULT_PLCPHEADERTIME_LENGTH	24
+
+/*------------------------------------------------------------------------
+ 0.96 sec since time unit of the R03 for the current, W89C32 is about 60ns
+ instead of 960 ns. This shall be fixed in the future W89C32
+ -------------------------------------------------------------------------*/
+#define DEFAULT_MAX_RECEIVE_TIME        16440000
+
+#define RX_BUF_SIZE						2352        // 600 	// For 301 must be multiple of 8
+#define MAX_RX_DESCRIPTORS              18         // Rx Layer 2
+#define MAX_BUFFER_QUEUE	8 // The value is always equal 8 due to NDIS_PACKET's MiniportReserved field size
+
+
+// For brand-new rx system
+#define MDS_ID_IGNORE				ETHERNET_RX_DESCRIPTORS
+
+// For Tx Packet status classify
+#define PACKET_FREE_TO_USE						0
+#define PACKET_COME_FROM_NDIS					0x08
+#define PACKET_COME_FROM_MLME					0x80
+#define PACKET_SEND_COMPLETE					0xff
+
+typedef struct _MDS
+{
+	// For Tx usage
+	u8	TxOwner[ ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03) ];
+	PUCHAR	pTxBuffer;
+	u16	TxBufferSize[ ((MAX_USB_TX_BUFFER_NUMBER + 1) & ~0x01) ];
+	u8	TxDesFrom[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ];//931130.4.u // 1: MLME 2: NDIS control 3: NDIS data
+	u8	TxCountInBuffer[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ]; // 20060928
+
+	u8	TxFillIndex;//the next index of TxBuffer can be used
+	u8	TxDesIndex;//The next index of TxDes can be used
+	u8	ScanTxPause;	//data Tx pause because the scanning is progressing, but probe request Tx won't.
+	u8	TxPause;//For pause the Mds_Tx modult
+
+	OS_ATOMIC	TxThreadCount;//For thread counting 931130.4.v
+//950301 delete due to HW
+//	OS_ATOMIC	TxConcurrentCount;//931130.4.w
+
+	u16	TxResult[ ((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01) ];//Collect the sending result of Mpdu
+
+	u8	MicRedundant[8]; // For tmp use
+	PUCHAR	MicWriteAddress[2]; //The start address to fill the Mic, use 2 point due to Mic maybe fragment
+
+	u16	MicWriteSize[2]; //931130.4.x
+
+	u16	MicAdd; // If want to add the Mic, this variable equal to 8
+	u16	MicWriteIndex;//The number of MicWriteAddress 931130.4.y
+
+	u8	TxRate[ ((MAX_USB_TX_DESCRIPTOR+1)&~0x01) ][2]; // [0] current tx rate, [1] fall back rate
+	u8	TxInfo[ ((MAX_USB_TX_DESCRIPTOR+1)&~0x01) ];	//Store information for callback function
+
+	//WKCHEN added for scanning mechanism
+	u8	TxToggle;		//It is TRUE if there are tx activities in some time interval
+	u8	Reserved_[3];
+
+	//---------- for Tx Parameter
+	u16	TxFragmentThreshold;    	// For frame body only
+	u16	TxRTSThreshold;
+
+	u32		MaxReceiveTime;//911220.3 Add
+
+	// depend on OS,
+	u32					MulticastListNo;
+	u32					PacketFilter; // Setting by NDIS, the current packet filter in use.
+	u8					MulticastAddressesArray[DEFAULT_MULTICASTLISTMAX][MAC_ADDR_LENGTH];
+
+	//COUNTERMEASURE
+	u8		bMICfailCount;
+	u8		boCounterMeasureBlock;
+	u8		reserved_4[2];
+
+	//NDIS_MINIPORT_TIMER	nTimer;
+	OS_TIMER	nTimer;
+
+	u32	TxTsc; // 20060214
+	u32	TxTsc_2; // 20060214
+
+} MDS, *PMDS;
+
+
+typedef struct _RxBuffer
+{
+    PUCHAR  pBufferAddress;     // Pointer the received data buffer.
+	u16	BufferSize;
+	u8	RESERVED;
+	u8	BufferIndex;// Only 1 byte
+} RXBUFFER, *PRXBUFFER;
+
+//
+// Reveive Layer 1 Format.
+//----------------------------
+typedef struct _RXLAYER1
+{
+    u16  SequenceNumber;     // The sequence number of the last received packet.
+	u16	BufferTotalSize;
+
+	u32	InUsed;
+    u32   DecryptionMethod;   // The desired defragment number of the next incoming packet.
+
+	u8	DeFragmentNumber;
+	u8	FrameType;
+    u8	TypeEncapsulated;
+	u8	BufferNumber;
+
+	u32	FirstFrameArrivedTime;
+
+	RXBUFFER	BufferQueue[ MAX_BUFFER_QUEUE ];
+
+	u8		LastFrameType; // 20061004 for fix intel 3945 's bug
+	u8		RESERVED[3];  //@@ anson
+
+	/////////////////////////////////////////////////////////////////////////////////////////////
+	// For brand-new Rx system
+	u8	ReservedBuffer[ 2400 ];//If Buffer ID is reserved one, it must copy the data into this area
+	PUCHAR	ReservedBufferPoint;// Point to the next availabe address of reserved buffer
+
+}RXLAYER1, * PRXLAYER1;
+
+
diff --git a/drivers/staging/winbond/mlme_mib.h b/drivers/staging/winbond/mlme_mib.h
new file mode 100644
index 00000000000..89759739cba
--- /dev/null
+++ b/drivers/staging/winbond/mlme_mib.h
@@ -0,0 +1,84 @@
+//============================================================================
+//  MLMEMIB.H -
+//
+//  Description:
+//    Get and Set some of MLME MIB attributes.
+//
+//  Revision history:
+//  --------------------------------------------------------------------------
+//           20030117  PD43 Austin Liu
+//                     Initial release
+//
+//  Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
+//============================================================================
+
+#ifndef _MLME_MIB_H
+#define _MLME_MIB_H
+
+//============================================================================
+// MLMESetExcludeUnencrypted --
+//
+// Description:
+//   Set the dot11ExcludeUnencrypted value.
+//
+// Arguments:
+//   Adapter        - The pointer to the miniport adapter context.
+//   ExUnencrypted  - unsigned char type. The value to be set.
+//
+// Return values:
+//   None.
+//============================================================================
+#define MLMESetExcludeUnencrypted(Adapter, ExUnencrypted)     \
+{                                                              \
+    (Adapter)->sLocalPara.ExcludeUnencrypted = ExUnencrypted;             \
+}
+
+//============================================================================
+// MLMEGetExcludeUnencrypted --
+//
+// Description:
+//   Get the dot11ExcludeUnencrypted value.
+//
+// Arguments:
+//   Adapter        - The pointer to the miniport adapter context.
+//
+// Return values:
+//   unsigned char type. The current dot11ExcludeUnencrypted value.
+//============================================================================
+#define MLMEGetExcludeUnencrypted(Adapter) ((unsigned char) (Adapter)->sLocalPara.ExcludeUnencrypted)
+
+//============================================================================
+// MLMESetMaxReceiveLifeTime --
+//
+// Description:
+//   Set the dot11MaxReceiveLifeTime value.
+//
+// Arguments:
+//   Adapter        - The pointer to the miniport adapter context.
+//   ReceiveLifeTime- u32 type. The value to be set.
+//
+// Return values:
+//   None.
+//============================================================================
+#define MLMESetMaxReceiveLifeTime(Adapter, ReceiveLifeTime)    \
+{                                                               \
+    (Adapter)->Mds.MaxReceiveTime = ReceiveLifeTime;                \
+}
+
+//============================================================================
+// MLMESetMaxReceiveLifeTime --
+//
+// Description:
+//   Get the dot11MaxReceiveLifeTime value.
+//
+// Arguments:
+//   Adapter        - The pointer to the miniport adapter context.
+//
+// Return values:
+//   u32 type. The current dot11MaxReceiveLifeTime value.
+//============================================================================
+#define MLMEGetMaxReceiveLifeTime(Adapter) ((u32) (Adapter)->Mds.MaxReceiveTime)
+
+#endif
+
+
diff --git a/drivers/staging/winbond/mlme_s.h b/drivers/staging/winbond/mlme_s.h
new file mode 100644
index 00000000000..58094f61c03
--- /dev/null
+++ b/drivers/staging/winbond/mlme_s.h
@@ -0,0 +1,195 @@
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//	Mlme.h
+//		Define the related definitions of MLME module
+//	history -- 01/14/03' created
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+#define AUTH_REJECT_REASON_CHALLENGE_FAIL		1
+
+//====== the state of MLME module
+#define INACTIVE			0x0
+#define IDLE_SCAN			0x1
+
+//====== the state of MLME/ESS module
+#define STATE_1				0x2
+#define AUTH_REQ			0x3
+#define AUTH_WEP			0x4
+#define STATE_2				0x5
+#define ASSOC_REQ			0x6
+#define STATE_3				0x7
+
+//====== the state of MLME/IBSS module
+#define IBSS_JOIN_SYNC		0x8
+#define IBSS_AUTH_REQ		0x9
+#define IBSS_AUTH_CHANLGE	0xa
+#define IBSS_AUTH_WEP		0xb
+#define IBSS_AUTH_IND		0xc
+#define IBSS_STATE_2		0xd
+
+
+
+//=========================================
+//depend on D5C(MAC timing control 03 register): MaxTxMSDULifeTime default 0x80000us
+#define AUTH_FAIL_TIMEOUT		550
+#define ASSOC_FAIL_TIMEOUT		550
+#define REASSOC_FAIL_TIMEOUT	550
+
+
+
+//
+// MLME task global CONSTANTS, STRUCTURE, variables
+//
+
+
+/////////////////////////////////////////////////////////////
+//  enum_ResultCode --
+//  Result code returned from MLME to SME.
+//
+/////////////////////////////////////////////////////////////
+// PD43 20030829 Modifiled
+//#define	SUCCESS								0
+#define MLME_SUCCESS                        0 //follow spec.
+#define	INVALID_PARAMETERS					1 //Not following spec.
+#define	NOT_SUPPPORTED						2
+#define	TIMEOUT								3
+#define	TOO_MANY_SIMULTANEOUS_REQUESTS		4
+#define REFUSED								5
+#define	BSS_ALREADY_STARTED_OR_JOINED		6
+#define	TRANSMIT_FRAME_FAIL					7
+#define	NO_BSS_FOUND						8
+#define RETRY								9
+#define GIVE_UP								10
+
+
+#define OPEN_AUTH							0
+#define SHARE_AUTH							1
+#define ANY_AUTH							2
+#define WPA_AUTH							3	//for WPA
+#define WPAPSK_AUTH							4
+#define WPANONE_AUTH						5
+///////////////////////////////////////////// added by ws 04/19/04
+#ifdef _WPA2_
+#define WPA2_AUTH                           6//for WPA2
+#define WPA2PSK_AUTH                        7
+#endif //end def _WPA2_
+
+//////////////////////////////////////////////////////////////////
+//define the msg type of MLME module
+//////////////////////////////////////////////////////////////////
+//--------------------------------------------------------
+//from SME
+
+#define MLMEMSG_AUTH_REQ				0x0b
+#define MLMEMSG_DEAUTH_REQ				0x0c
+#define MLMEMSG_ASSOC_REQ				0x0d
+#define MLMEMSG_REASSOC_REQ				0x0e
+#define MLMEMSG_DISASSOC_REQ			0x0f
+#define MLMEMSG_START_IBSS_REQ			0x10
+#define MLMEMSG_IBSS_NET_CFM			0x11
+
+//from RX :
+#define MLMEMSG_RCV_MLMEFRAME			0x20
+#define MLMEMSG_RCV_ASSOCRSP			0x22
+#define MLMEMSG_RCV_REASSOCRSP			0x24
+#define MLMEMSG_RCV_DISASSOC			0x2b
+#define MLMEMSG_RCV_AUTH				0x2c
+#define MLMEMSG_RCV_DEAUTH				0x2d
+
+
+//from TX callback
+#define MLMEMSG_TX_CALLBACK				0x40
+#define MLMEMSG_ASSOCREQ_CALLBACK		0x41
+#define MLMEMSG_REASSOCREQ_CALLBACK		0x43
+#define MLMEMSG_DISASSOC_CALLBACK		0x4a
+#define MLMEMSG_AUTH_CALLBACK			0x4c
+#define MLMEMSG_DEAUTH_CALLBACK			0x4d
+
+//#define MLMEMSG_JOIN_FAIL				4
+//#define MLMEMSG_AUTHEN_FAIL			18
+#define MLMEMSG_TIMEOUT					0x50
+
+///////////////////////////////////////////////////////////////////////////
+//Global data structures
+#define MAX_NUM_TX_MMPDU	2
+#define MAX_MMPDU_SIZE		1512
+#define MAX_NUM_RX_MMPDU	6
+
+
+///////////////////////////////////////////////////////////////////////////
+//MACRO
+#define boMLME_InactiveState(_AA_)	(_AA_->wState==INACTIVE)
+#define boMLME_IdleScanState(_BB_)	(_BB_->wState==IDLE_SCAN)
+#define boMLME_FoundSTAinfo(_CC_)	(_CC_->wState>=IDLE_SCAN)
+
+typedef struct _MLME_FRAME
+{
+	//NDIS_PACKET		MLME_Packet;
+	PCHAR			pMMPDU;
+	u16			len;
+	u8			DataType;
+	u8			IsInUsed;
+
+	OS_SPIN_LOCK	MLMESpinLock;
+
+    u8		TxMMPDU[MAX_NUM_TX_MMPDU][MAX_MMPDU_SIZE];
+	u8		TxMMPDUInUse[ (MAX_NUM_TX_MMPDU+3) & ~0x03 ];
+
+	u16		wNumTxMMPDU;
+	u16		wNumTxMMPDUDiscarded;
+
+    u8		RxMMPDU[MAX_NUM_RX_MMPDU][MAX_MMPDU_SIZE];
+    u8	 	SaveRxBufSlotInUse[ (MAX_NUM_RX_MMPDU+3) & ~0x03 ];
+
+	u16		wNumRxMMPDU;
+	u16		wNumRxMMPDUDiscarded;
+
+	u16		wNumRxMMPDUInMLME; 	// Number of the Rx MMPDU
+	u16		reserved_1;			//  in MLME.
+                    	            //  excluding the discarded
+} MLME_FRAME, *psMLME_FRAME;
+
+typedef struct _AUTHREQ {
+
+	u8 	peerMACaddr[MAC_ADDR_LENGTH];
+	u16	wAuthAlgorithm;
+
+} MLME_AUTHREQ_PARA, *psMLME_AUTHREQ_PARA;
+
+struct _Reason_Code {
+
+	u8	peerMACaddr[MAC_ADDR_LENGTH];
+	u16	wReasonCode;
+};
+typedef struct _Reason_Code MLME_DEAUTHREQ_PARA, *psMLME_DEAUTHREQ_PARA;
+typedef struct _Reason_Code MLME_DISASSOCREQ_PARA, *psMLME_DISASSOCREQ_PARA;
+
+typedef struct _ASSOCREQ {
+  u8       PeerSTAAddr[MAC_ADDR_LENGTH];
+  u16       CapabilityInfo;
+  u16       ListenInterval;
+
+}__attribute__ ((packed)) MLME_ASSOCREQ_PARA, *psMLME_ASSOCREQ_PARA;
+
+typedef struct _REASSOCREQ {
+  u8       NewAPAddr[MAC_ADDR_LENGTH];
+  u16       CapabilityInfo;
+  u16       ListenInterval;
+
+}__attribute__ ((packed)) MLME_REASSOCREQ_PARA, *psMLME_REASSOCREQ_PARA;
+
+typedef struct _MLMECALLBACK {
+
+  u8 	*psFramePtr;
+  u8		bResult;
+
+} MLME_TXCALLBACK, *psMLME_TXCALLBACK;
+
+typedef struct _RXDATA
+{
+	s32		FrameLength;
+	u8	__attribute__ ((packed)) *pbFramePtr;
+
+}__attribute__ ((packed)) RXDATA, *psRXDATA;
+
+
diff --git a/drivers/staging/winbond/mlmetxrx.c b/drivers/staging/winbond/mlmetxrx.c
new file mode 100644
index 00000000000..46b091e9679
--- /dev/null
+++ b/drivers/staging/winbond/mlmetxrx.c
@@ -0,0 +1,150 @@
+//============================================================================
+//  Module Name:
+//    MLMETxRx.C
+//
+//  Description:
+//    The interface between MDS (MAC Data Service) and MLME.
+//
+//  Revision History:
+//  --------------------------------------------------------------------------
+//          200209      UN20 Jennifer Xu
+//                      Initial Release
+//          20021108    PD43 Austin Liu
+//          20030117    PD43 Austin Liu
+//                      Deleted MLMEReturnPacket and MLMEProcThread()
+//
+//  Copyright (c) 1996-2002 Winbond Electronics Corp. All Rights Reserved.
+//============================================================================
+#include "os_common.h"
+
+void MLMEResetTxRx(PWB32_ADAPTER Adapter)
+{
+	s32     i;
+
+	// Reset the interface between MDS and MLME
+	for (i = 0; i < MAX_NUM_TX_MMPDU; i++)
+		Adapter->sMlmeFrame.TxMMPDUInUse[i] = FALSE;
+	for (i = 0; i < MAX_NUM_RX_MMPDU; i++)
+		Adapter->sMlmeFrame.SaveRxBufSlotInUse[i] = FALSE;
+
+	Adapter->sMlmeFrame.wNumRxMMPDUInMLME   = 0;
+	Adapter->sMlmeFrame.wNumRxMMPDUDiscarded = 0;
+	Adapter->sMlmeFrame.wNumRxMMPDU          = 0;
+	Adapter->sMlmeFrame.wNumTxMMPDUDiscarded = 0;
+	Adapter->sMlmeFrame.wNumTxMMPDU          = 0;
+	Adapter->sLocalPara.boCCAbusy    = FALSE;
+	Adapter->sLocalPara.iPowerSaveMode     = PWR_ACTIVE;     // Power active
+}
+
+//=============================================================================
+//	Function:
+//    MLMEGetMMPDUBuffer()
+//
+//	Description:
+//    Return the pointer to an available data buffer with
+//    the size MAX_MMPDU_SIZE for a MMPDU.
+//
+//  Arguments:
+//    Adapter   - pointer to the miniport adapter context.
+//
+//	Return value:
+//    NULL     : No available data buffer available
+//    Otherwise: Pointer to the data buffer
+//=============================================================================
+
+/* FIXME: Should this just be replaced with kmalloc() and kfree()? */
+u8 *MLMEGetMMPDUBuffer(PWB32_ADAPTER Adapter)
+{
+	s32 i;
+	u8 *returnVal;
+
+	for (i = 0; i< MAX_NUM_TX_MMPDU; i++) {
+		if (Adapter->sMlmeFrame.TxMMPDUInUse[i] == FALSE)
+			break;
+	}
+	if (i >= MAX_NUM_TX_MMPDU) return NULL;
+
+	returnVal = (u8 *)&(Adapter->sMlmeFrame.TxMMPDU[i]);
+	Adapter->sMlmeFrame.TxMMPDUInUse[i] = TRUE;
+
+	return returnVal;
+}
+
+//=============================================================================
+u8 MLMESendFrame(PWB32_ADAPTER Adapter, u8 *pMMPDU, u16 len, u8 DataType)
+/*	DataType : FRAME_TYPE_802_11_MANAGEMENT, FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE,
+				FRAME_TYPE_802_11_DATA */
+{
+	if (Adapter->sMlmeFrame.IsInUsed != PACKET_FREE_TO_USE) {
+		Adapter->sMlmeFrame.wNumTxMMPDUDiscarded++;
+		return FALSE;
+	}
+	Adapter->sMlmeFrame.IsInUsed = PACKET_COME_FROM_MLME;
+
+	// Keep information for sending
+	Adapter->sMlmeFrame.pMMPDU = pMMPDU;
+	Adapter->sMlmeFrame.DataType = DataType;
+	// len must be the last setting due to QUERY_SIZE_SECOND of Mds
+	Adapter->sMlmeFrame.len = len;
+	Adapter->sMlmeFrame.wNumTxMMPDU++;
+
+	// H/W will enter power save by set the register. S/W don't send null frame
+	//with PWRMgt bit enbled to enter power save now.
+
+	// Transmit NDIS packet
+	Mds_Tx(Adapter);
+	return TRUE;
+}
+
+void
+MLME_GetNextPacket(PADAPTER Adapter, PDESCRIPTOR pDes)
+{
+#define DESCRIPTOR_ADD_BUFFER( _D, _A, _S ) \
+{\
+	_D->InternalUsed = _D->buffer_start_index + _D->buffer_number; \
+	_D->InternalUsed %= MAX_DESCRIPTOR_BUFFER_INDEX; \
+	_D->buffer_address[ _D->InternalUsed ] = _A; \
+	_D->buffer_size[ _D->InternalUsed ] = _S; \
+	_D->buffer_total_size += _S; \
+	_D->buffer_number++;\
+}
+
+	DESCRIPTOR_ADD_BUFFER( pDes, Adapter->sMlmeFrame.pMMPDU, Adapter->sMlmeFrame.len );
+	pDes->Type = Adapter->sMlmeFrame.DataType;
+}
+
+void MLMEfreeMMPDUBuffer(PWB32_ADAPTER Adapter, PCHAR pData)
+{
+	int i;
+
+	// Reclaim the data buffer
+	for (i = 0; i < MAX_NUM_TX_MMPDU; i++) {
+		if (pData == (PCHAR)&(Adapter->sMlmeFrame.TxMMPDU[i]))
+			break;
+	}
+	if (Adapter->sMlmeFrame.TxMMPDUInUse[i])
+		Adapter->sMlmeFrame.TxMMPDUInUse[i] = FALSE;
+	else  {
+		// Something wrong
+		// PD43 Add debug code here???
+	}
+}
+
+void
+MLME_SendComplete(PADAPTER Adapter, u8 PacketID, unsigned char SendOK)
+{
+	MLME_TXCALLBACK	TxCallback;
+
+    // Reclaim the data buffer
+	Adapter->sMlmeFrame.len = 0;
+	MLMEfreeMMPDUBuffer( Adapter, Adapter->sMlmeFrame.pMMPDU );
+
+
+	TxCallback.bResult = MLME_SUCCESS;
+
+	// Return resource
+	Adapter->sMlmeFrame.IsInUsed = PACKET_FREE_TO_USE;
+}
+
+
+
diff --git a/drivers/staging/winbond/mlmetxrx_f.h b/drivers/staging/winbond/mlmetxrx_f.h
new file mode 100644
index 00000000000..d74e225be21
--- /dev/null
+++ b/drivers/staging/winbond/mlmetxrx_f.h
@@ -0,0 +1,52 @@
+//================================================================
+// MLMETxRx.H --
+//
+//   Functions defined in MLMETxRx.c.
+//
+// Copyright (c) 2002 Winbond Electrics Corp. All Rights Reserved.
+//================================================================
+#ifndef _MLMETXRX_H
+#define _MLMETXRX_H
+
+void
+MLMEProcThread(
+     PWB32_ADAPTER    Adapter
+	);
+
+void MLMEResetTxRx( PWB32_ADAPTER Adapter);
+
+u8 *
+MLMEGetMMPDUBuffer(
+     PWB32_ADAPTER    Adapter
+   );
+
+void MLMEfreeMMPDUBuffer( PWB32_ADAPTER Adapter,  PCHAR pData);
+
+void MLME_GetNextPacket(  PADAPTER Adapter,  PDESCRIPTOR pDes );
+u8 MLMESendFrame( PWB32_ADAPTER Adapter,
+					u8	*pMMPDU,
+					u16	len,
+					 u8	DataType);
+
+void
+MLME_SendComplete(  PWB32_ADAPTER Adapter,  u8 PacketID,  unsigned char SendOK );
+
+void
+MLMERcvFrame(
+     PWB32_ADAPTER    Adapter,
+     PRXBUFFER        pRxBufferArray,
+     u8            NumOfBuffer,
+     u8            ReturnSlotIndex
+	);
+
+void
+MLMEReturnPacket(
+     PWB32_ADAPTER    Adapter,
+     PUCHAR           pRxBufer
+   );
+#ifdef _IBSS_BEACON_SEQ_STICK_
+s8 SendBCNullData(PWB32_ADAPTER Adapter, u16 wIdx);
+#endif
+
+#endif
+
diff --git a/drivers/staging/winbond/mto.c b/drivers/staging/winbond/mto.c
new file mode 100644
index 00000000000..2ef60e5120c
--- /dev/null
+++ b/drivers/staging/winbond/mto.c
@@ -0,0 +1,1229 @@
+//============================================================================
+//  MTO.C -
+//
+//  Description:
+//    MAC Throughput Optimization for W89C33 802.11g WLAN STA.
+//
+//    The following MIB attributes or internal variables will be affected
+//    while the MTO is being executed:
+//       dot11FragmentationThreshold,
+//       dot11RTSThreshold,
+//       transmission rate and PLCP preamble type,
+//       CCA mode,
+//       antenna diversity.
+//
+//  Revision history:
+//  --------------------------------------------------------------------------
+//           20031227  UN20 Pete Chao
+//                     First draft
+//  20031229           Turbo                copy from PD43
+//  20040210           Kevin                revised
+//  Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
+//============================================================================
+
+// LA20040210_DTO kevin
+#include "os_common.h"
+
+// Declare SQ3 to rate and fragmentation threshold table
+// Declare fragmentation thresholds table
+#define MTO_MAX_SQ3_LEVELS                      14
+#define MTO_MAX_FRAG_TH_LEVELS                  5
+#define MTO_MAX_DATA_RATE_LEVELS                12
+
+u16 MTO_Frag_Th_Tbl[MTO_MAX_FRAG_TH_LEVELS] =
+{
+    256, 384, 512, 768, 1536
+};
+
+u8  MTO_SQ3_Level[MTO_MAX_SQ3_LEVELS] =
+{
+    0, 26, 30, 32, 34, 35, 37, 42, 44, 46, 54, 62, 78, 81
+};
+u8  MTO_SQ3toRate[MTO_MAX_SQ3_LEVELS] =
+{
+    0, 1, 1, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
+};
+u8  MTO_SQ3toFrag[MTO_MAX_SQ3_LEVELS] =
+{
+    0, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4
+};
+
+// One Exchange Time table
+//
+u16 MTO_One_Exchange_Time_Tbl_l[MTO_MAX_FRAG_TH_LEVELS][MTO_MAX_DATA_RATE_LEVELS] =
+{
+    { 2554, 1474,  822,    0,    0,  636,    0,    0,    0,    0,    0,    0},
+    { 3578, 1986, 1009,    0,    0,  729,    0,    0,    0,    0,    0,    0},
+    { 4602, 2498, 1195,    0,    0,  822,    0,    0,    0,    0,    0,    0},
+    { 6650, 3522, 1567,    0,    0, 1009,    0,    0,    0,    0,    0,    0},
+    {12794, 6594, 2684,    0,    0, 1567,    0,    0,    0,    0,    0,    0}
+};
+
+u16 MTO_One_Exchange_Time_Tbl_s[MTO_MAX_FRAG_TH_LEVELS][MTO_MAX_DATA_RATE_LEVELS] =
+{
+    {    0, 1282,  630,  404,  288,  444,  232,  172,  144,  116,  100,   96},
+    {    0, 1794,  817,  572,  400,  537,  316,  228,  188,  144,  124,  116},
+    {    0, 2306, 1003,  744,  516,  630,  400,  288,  228,  172,  144,  136},
+    {    0, 3330, 1375, 1084,  744,  817,  572,  400,  316,  228,  188,  172},
+    {    0, 6402, 2492, 2108, 1424, 1375, 1084,  740,  572,  400,  316,  284}
+};
+
+#define MTO_ONE_EXCHANGE_TIME(preamble_type, frag_th_lvl, data_rate_lvl) \
+            (preamble_type) ?   MTO_One_Exchange_Time_Tbl_s[frag_th_lvl][data_rate_lvl] : \
+                                MTO_One_Exchange_Time_Tbl_l[frag_th_lvl][data_rate_lvl]
+
+// Declare data rate table
+//The following table will be changed at anytime if the opration rate supported by AP don't
+//match the table
+u8  MTO_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] =
+{
+    2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
+};
+
+//The Stardard_Data_Rate_Tbl and Level2PerTbl table is used to indirectly retreive PER
+//information from Rate_PER_TBL
+//The default settings is AP can support full rate set.
+static u8  Stardard_Data_Rate_Tbl[MTO_MAX_DATA_RATE_LEVELS] =
+{
+	2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
+};
+static u8  Level2PerTbl[MTO_MAX_DATA_RATE_LEVELS] =
+{
+	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
+};
+//How many kind of tx rate can be supported by AP
+//DTO will change Rate between MTO_Data_Rate_Tbl[0] and MTO_Data_Rate_Tbl[MTO_DataRateAvailableLevel-1]
+static u8  MTO_DataRateAvailableLevel = MTO_MAX_DATA_RATE_LEVELS;
+//Smoothed PER table for each different RATE based on packet length of 1514
+static int Rate_PER_TBL[91][MTO_MAX_DATA_RATE_LEVELS] = {
+//        1M    2M    5.5M  11M   6M    9M    12M     18M    24M    36M    48M   54M
+/* 0%  */{ 93,   177,  420,  538,  690,  774,  1001,  1401,  1768,  2358,  2838,  3039},
+/* 1%  */{ 92,   176,  416,  533,  683,  767,  992,   1389,  1752,  2336,  2811,  3010},
+/* 2%  */{ 91,   174,  412,  528,  675,  760,  983,   1376,  1735,  2313,  2783,  2979},
+/* 3%  */{ 90,   172,  407,  523,  667,  753,  973,   1363,  1719,  2290,  2755,  2948},
+/* 4%  */{ 90,   170,  403,  518,  659,  746,  964,   1350,  1701,  2266,  2726,  2916},
+/* 5%  */{ 89,   169,  398,  512,  651,  738,  954,   1336,  1684,  2242,  2696,  2884},
+/* 6%  */{ 88,   167,  394,  507,  643,  731,  944,   1322,  1666,  2217,  2665,  2851},
+/* 7%  */{ 87,   165,  389,  502,  635,  723,  935,   1308,  1648,  2192,  2634,  2817},
+/* 8%  */{ 86,   163,  384,  497,  626,  716,  924,   1294,  1629,  2166,  2602,  2782},
+/* 9%  */{ 85,   161,  380,  491,  618,  708,  914,   1279,  1611,  2140,  2570,  2747},
+/* 10% */{ 84,   160,  375,  486,  609,  700,  904,   1265,  1591,  2113,  2537,  2711},
+/* 11% */{ 83,   158,  370,  480,  600,  692,  894,   1250,  1572,  2086,  2503,  2675},
+/* 12% */{ 82,   156,  365,  475,  592,  684,  883,   1234,  1552,  2059,  2469,  2638},
+/* 13% */{ 81,   154,  360,  469,  583,  676,  872,   1219,  1532,  2031,  2435,  2600},
+/* 14% */{ 80,   152,  355,  464,  574,  668,  862,   1204,  1512,  2003,  2400,  2562},
+/* 15% */{ 79,   150,  350,  458,  565,  660,  851,   1188,  1492,  1974,  2365,  2524},
+/* 16% */{ 78,   148,  345,  453,  556,  652,  840,   1172,  1471,  1945,  2329,  2485},
+/* 17% */{ 77,   146,  340,  447,  547,  643,  829,   1156,  1450,  1916,  2293,  2446},
+/* 18% */{ 76,   144,  335,  441,  538,  635,  818,   1140,  1429,  1887,  2256,  2406},
+/* 19% */{ 75,   143,  330,  436,  529,  627,  807,   1124,  1408,  1857,  2219,  2366},
+/* 20% */{ 74,   141,  325,  430,  520,  618,  795,   1107,  1386,  1827,  2182,  2326},
+/* 21% */{ 73,   139,  320,  424,  510,  610,  784,   1091,  1365,  1797,  2145,  2285},
+/* 22% */{ 72,   137,  314,  418,  501,  601,  772,   1074,  1343,  1766,  2107,  2244},
+/* 23% */{ 71,   135,  309,  412,  492,  592,  761,   1057,  1321,  1736,  2069,  2203},
+/* 24% */{ 70,   133,  304,  407,  482,  584,  749,   1040,  1299,  1705,  2031,  2161},
+/* 25% */{ 69,   131,  299,  401,  473,  575,  738,   1023,  1277,  1674,  1992,  2120},
+/* 26% */{ 68,   129,  293,  395,  464,  566,  726,   1006,  1254,  1642,  1953,  2078},
+/* 27% */{ 67,   127,  288,  389,  454,  557,  714,   989,   1232,  1611,  1915,  2035},
+/* 28% */{ 66,   125,  283,  383,  445,  549,  703,   972,   1209,  1579,  1876,  1993},
+/* 29% */{ 65,   123,  278,  377,  436,  540,  691,   955,   1187,  1548,  1836,  1951},
+/* 30% */{ 64,   121,  272,  371,  426,  531,  679,   937,   1164,  1516,  1797,  1908},
+/* 31% */{ 63,   119,  267,  365,  417,  522,  667,   920,   1141,  1484,  1758,  1866},
+/* 32% */{ 62,   117,  262,  359,  407,  513,  655,   902,   1118,  1453,  1719,  1823},
+/* 33% */{ 61,   115,  256,  353,  398,  504,  643,   885,   1095,  1421,  1679,  1781},
+/* 34% */{ 60,   113,  251,  347,  389,  495,  631,   867,   1072,  1389,  1640,  1738},
+/* 35% */{ 59,   111,  246,  341,  379,  486,  619,   850,   1049,  1357,  1600,  1695},
+/* 36% */{ 58,   108,  240,  335,  370,  477,  607,   832,   1027,  1325,  1561,  1653},
+/* 37% */{ 57,   106,  235,  329,  361,  468,  595,   815,   1004,  1293,  1522,  1610},
+/* 38% */{ 56,   104,  230,  323,  351,  459,  584,   797,   981,   1261,  1483,  1568},
+/* 39% */{ 55,   102,  224,  317,  342,  450,  572,   780,   958,   1230,  1443,  1526},
+/* 40% */{ 54,   100,  219,  311,  333,  441,  560,   762,   935,   1198,  1404,  1484},
+/* 41% */{ 53,   98,   214,  305,  324,  432,  548,   744,   912,   1166,  1366,  1442},
+/* 42% */{ 52,   96,   209,  299,  315,  423,  536,   727,   889,   1135,  1327,  1400},
+/* 43% */{ 51,   94,   203,  293,  306,  414,  524,   709,   866,   1104,  1289,  1358},
+/* 44% */{ 50,   92,   198,  287,  297,  405,  512,   692,   844,   1072,  1250,  1317},
+/* 45% */{ 49,   90,   193,  281,  288,  396,  500,   675,   821,   1041,  1212,  1276},
+/* 46% */{ 48,   88,   188,  275,  279,  387,  488,   657,   799,   1011,  1174,  1236},
+/* 47% */{ 47,   86,   183,  269,  271,  378,  476,   640,   777,   980,   1137,  1195},
+/* 48% */{ 46,   84,   178,  262,  262,  369,  464,   623,   754,   949,   1100,  1155},
+/* 49% */{ 45,   82,   173,  256,  254,  360,  452,   606,   732,   919,   1063,  1116},
+/* 50% */{ 44,   80,   168,  251,  245,  351,  441,   589,   710,   889,   1026,  1076},
+/* 51% */{ 43,   78,   163,  245,  237,  342,  429,   572,   689,   860,   990,   1038},
+/* 52% */{ 42,   76,   158,  239,  228,  333,  417,   555,   667,   830,   955,   999},
+/* 53% */{ 41,   74,   153,  233,  220,  324,  406,   538,   645,   801,   919,   961},
+/* 54% */{ 40,   72,   148,  227,  212,  315,  394,   522,   624,   773,   884,   924},
+/* 55% */{ 39,   70,   143,  221,  204,  307,  383,   505,   603,   744,   850,   887},
+/* 56% */{ 38,   68,   138,  215,  196,  298,  371,   489,   582,   716,   816,   851},
+/* 57% */{ 37,   67,   134,  209,  189,  289,  360,   473,   562,   688,   783,   815},
+/* 58% */{ 36,   65,   129,  203,  181,  281,  349,   457,   541,   661,   750,   780},
+/* 59% */{ 35,   63,   124,  197,  174,  272,  338,   441,   521,   634,   717,   745},
+/* 60% */{ 34,   61,   120,  192,  166,  264,  327,   425,   501,   608,   686,   712},
+/* 61% */{ 33,   59,   115,  186,  159,  255,  316,   409,   482,   582,   655,   678},
+/* 62% */{ 32,   57,   111,  180,  152,  247,  305,   394,   462,   556,   624,   646},
+/* 63% */{ 31,   55,   107,  174,  145,  238,  294,   379,   443,   531,   594,   614},
+/* 64% */{ 30,   53,   102,  169,  138,  230,  283,   364,   425,   506,   565,   583},
+/* 65% */{ 29,   52,   98,   163,  132,  222,  273,   349,   406,   482,   536,   553},
+/* 66% */{ 28,   50,   94,   158,  125,  214,  262,   334,   388,   459,   508,   523},
+/* 67% */{ 27,   48,   90,   152,  119,  206,  252,   320,   370,   436,   481,   495},
+/* 68% */{ 26,   46,   86,   147,  113,  198,  242,   306,   353,   413,   455,   467},
+/* 69% */{ 26,   44,   82,   141,  107,  190,  231,   292,   336,   391,   429,   440},
+/* 70% */{ 25,   43,   78,   136,  101,  182,  221,   278,   319,   370,   405,   414},
+/* 71% */{ 24,   41,   74,   130,  95,   174,  212,   265,   303,   350,   381,   389},
+/* 72% */{ 23,   39,   71,   125,  90,   167,  202,   252,   287,   329,   358,   365},
+/* 73% */{ 22,   37,   67,   119,  85,   159,  192,   239,   271,   310,   335,   342},
+/* 74% */{ 21,   36,   63,   114,  80,   151,  183,   226,   256,   291,   314,   320},
+/* 75% */{ 20,   34,   60,   109,  75,   144,  174,   214,   241,   273,   294,   298},
+/* 76% */{ 19,   32,   57,   104,  70,   137,  164,   202,   227,   256,   274,   278},
+/* 77% */{ 18,   31,   53,   99,   66,   130,  155,   190,   213,   239,   256,   259},
+/* 78% */{ 17,   29,   50,   94,   62,   122,  146,   178,   200,   223,   238,   241},
+/* 79% */{ 16,   28,   47,   89,   58,   115,  138,   167,   187,   208,   222,   225},
+/* 80% */{ 16,   26,   44,   84,   54,   109,  129,   156,   175,   194,   206,   209},
+/* 81% */{ 15,   24,   41,   79,   50,   102,  121,   146,   163,   180,   192,   194},
+/* 82% */{ 14,   23,   39,   74,   47,   95,   113,   136,   151,   167,   178,   181},
+/* 83% */{ 13,   21,   36,   69,   44,   89,   105,   126,   140,   155,   166,   169},
+/* 84% */{ 12,   20,   33,   64,   41,   82,   97,    116,   130,   144,   155,   158},
+/* 85% */{ 11,   19,   31,   60,   39,   76,   89,    107,   120,   134,   145,   149},
+/* 86% */{ 11,   17,   29,   55,   36,   70,   82,    98,    110,   125,   136,   140},
+/* 87% */{ 10,   16,   26,   51,   34,   64,   75,    90,    102,   116,   128,   133},
+/* 88% */{ 9,    14,   24,   46,   32,   58,   68,    81,    93,    108,   121,   128},
+/* 89% */{ 8,    13,   22,   42,   31,   52,   61,    74,    86,    102,   116,   124},
+/* 90% */{ 7,    12,   21,   37,   29,   46,   54,    66,    79,    96,    112,   121}
+};
+
+#define RSSIBUF_NUM 10
+#define RSSI2RATE_SIZE 9
+
+static TXRETRY_REC TxRateRec={MTO_MAX_DATA_RATE_LEVELS - 1, 0};   //new record=>TxRateRec
+static int TxRetryRate;
+//static int SQ3, BSS_PK_CNT, NIDLESLOT, SLOT_CNT, INTERF_CNT, GAP_CNT, DS_EVM;
+static s32 RSSIBuf[RSSIBUF_NUM]={-70, -70, -70, -70, -70, -70, -70, -70, -70, -70};
+static s32 RSSISmoothed=-700;
+static int RSSIBufIndex=0;
+static u8 max_rssi_rate;
+static int rate_tbl[13] = {0,1,2,5,11,6,9,12,18,24,36,48,54};
+//[WKCHEN]static core_data_t *pMTOcore_data=NULL;
+
+static int TotalTxPkt = 0;
+static int TotalTxPktRetry = 0;
+static int TxPktPerAnt[3] = {0,0,0};
+static int RXRSSIANT[3] ={-70,-70,-70};
+static int TxPktRetryPerAnt[3] = {0,0,0};
+//static int TxDominateFlag=FALSE;
+static u8 old_antenna[4]={1 ,0 ,1 ,0};
+static int retryrate_rec[MTO_MAX_DATA_RATE_LEVELS];//this record the retry rate at different data rate
+
+static int PeriodTotalTxPkt = 0;
+static int PeriodTotalTxPktRetry = 0;
+
+typedef struct
+{
+	s32 RSSI;
+	u8  TxRate;
+}RSSI2RATE;
+
+static RSSI2RATE RSSI2RateTbl[RSSI2RATE_SIZE] =
+{
+	{-740, 108},  // 54M
+	{-760, 96},  // 48M
+	{-820, 72},  // 36M
+	{-850, 48},  // 24M
+	{-870, 36},  // 18M
+	{-890, 24},  // 12M
+	{-900, 12},  // 6M
+	{-920, 11}, // 5.5M
+	{-950, 4}, // 2M
+};
+static u8 untogglecount;
+static u8 last_rate_ant; //this is used for antenna backoff-hh
+
+u8	boSparseTxTraffic = FALSE;
+
+void MTO_Init(MTO_FUNC_INPUT);
+void AntennaToggleInitiator(MTO_FUNC_INPUT);
+void AntennaToggleState(MTO_FUNC_INPUT);
+void TxPwrControl(MTO_FUNC_INPUT);
+void GetFreshAntennaData(MTO_FUNC_INPUT);
+void TxRateReductionCtrl(MTO_FUNC_INPUT);
+/** 1.1.31.1000 Turbo modify */
+//void MTO_SetDTORateRange(int type);
+void MTO_SetDTORateRange(MTO_FUNC_INPUT, u8 *pRateArray, u8 ArraySize);
+void MTO_SetTxCount(MTO_FUNC_INPUT, u8 t0, u8 index);
+void MTO_TxFailed(MTO_FUNC_INPUT);
+void SmoothRSSI(s32 new_rssi);
+void hal_get_dto_para(MTO_FUNC_INPUT, char *buffer);
+u8 CalcNewRate(MTO_FUNC_INPUT, u8 old_rate, u32 retry_cnt, u32 tx_frag_cnt);
+u8 GetMaxRateLevelFromRSSI(void);
+u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT);
+int Divide(int a, int b);
+void multiagc(MTO_FUNC_INPUT, u8 high_gain_mode);
+
+//===========================================================================
+//  MTO_Init --
+//
+//  Description:
+//    Set DTO Tx Rate Scope because different AP could have different Rate set.
+//    After our staion join with AP, LM core will call this function to initialize
+//    Tx Rate table.
+//
+//  Arguments:
+//    pRateArray      - The pointer to the Tx Rate Array by the following order
+//                    - 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108
+//                    - DTO won't check whether rate order is invalid or not
+//    ArraySize       - The array size to indicate how many tx rate we can choose
+//
+//  sample code:
+//	{
+//		u8 RateArray[4] = {2, 4, 11, 22};
+//		MTO_SetDTORateRange(RateArray, 4);
+//	}
+//
+//  Return Value:
+//    None
+//============================================================================
+void MTO_SetDTORateRange(MTO_FUNC_INPUT,u8 *pRateArray, u8 ArraySize)
+{
+	u8	i, j=0;
+
+	for(i=0;i<ArraySize;i++)
+	{
+		if(pRateArray[i] == 22)
+			break;
+	}
+	if(i < ArraySize) //we need adjust the order of rate list because 11Mbps rate exists
+	{
+		for(;i>0;i--)
+		{
+			if(pRateArray[i-1] <= 11)
+				break;
+			pRateArray[i] = pRateArray[i-1];
+		}
+		pRateArray[i] = 22;
+		MTO_OFDM_RATE_LEVEL() = i;
+	}
+	else
+	{
+		for(i=0; i<ArraySize; i++)
+		{
+			if (pRateArray[i] >= 12)
+				break;
+		}
+		MTO_OFDM_RATE_LEVEL() = i;
+	}
+
+	for(i=0;i<ArraySize;i++)
+	{
+		MTO_Data_Rate_Tbl[i] = pRateArray[i];
+		for(;j<MTO_MAX_DATA_RATE_LEVELS;j++)
+		{
+			if(Stardard_Data_Rate_Tbl[j] == pRateArray[i])
+				break;
+		}
+		Level2PerTbl[i] = j;
+		#ifdef _PE_DTO_DUMP_
+		WBDEBUG(("[MTO]:Op Rate[%d]: %d\n",i, MTO_Data_Rate_Tbl[i]));
+		#endif
+	}
+	MTO_DataRateAvailableLevel = ArraySize;
+	if( MTO_DATA().RatePolicy ) // 0 means that no registry setting
+	{
+		if( MTO_DATA().RatePolicy == 1 )
+			TxRateRec.tx_rate = 0;	//ascent
+		else
+			TxRateRec.tx_rate = MTO_DataRateAvailableLevel -1 ;	//descent
+	}
+	else
+	{
+		if( MTO_INITTXRATE_MODE )
+			TxRateRec.tx_rate = 0;	//ascent
+		else
+			TxRateRec.tx_rate = MTO_DataRateAvailableLevel -1 ;	//descent
+	}
+	TxRateRec.tx_retry_rate = 0;
+	//set default rate for initial use
+	MTO_RATE_LEVEL() = TxRateRec.tx_rate;
+	MTO_FALLBACK_RATE_LEVEL() = MTO_RATE_LEVEL();
+}
+
+//===========================================================================
+//  MTO_Init --
+//
+//  Description:
+//    Initialize MTO parameters.
+//
+//    This function should be invoked during system initialization.
+//
+//  Arguments:
+//    Adapter      - The pointer to the Miniport Adapter Context
+//
+//  Return Value:
+//    None
+//============================================================================
+void MTO_Init(MTO_FUNC_INPUT)
+{
+    int i;
+	//WBDEBUG(("[MTO] -> MTO_Init()\n"));
+	//[WKCHEN]pMTOcore_data = pcore_data;
+// 20040510 Turbo add for global variable
+    MTO_TMR_CNT()       = 0;
+    MTO_TOGGLE_STATE()  = TOGGLE_STATE_IDLE;
+    MTO_TX_RATE_REDUCTION_STATE() = RATE_CHGSTATE_IDLE;
+    MTO_BACKOFF_TMR()   = 0;
+    MTO_LAST_RATE()     = 11;
+    MTO_CO_EFFICENT()   = 0;
+
+    //MTO_TH_FIXANT()     = MTO_DEFAULT_TH_FIXANT;
+    MTO_TH_CNT()        = MTO_DEFAULT_TH_CNT;
+    MTO_TH_SQ3()        = MTO_DEFAULT_TH_SQ3;
+    MTO_TH_IDLE_SLOT()  = MTO_DEFAULT_TH_IDLE_SLOT;
+    MTO_TH_PR_INTERF()  = MTO_DEFAULT_TH_PR_INTERF;
+
+    MTO_TMR_AGING()     = MTO_DEFAULT_TMR_AGING;
+    MTO_TMR_PERIODIC()  = MTO_DEFAULT_TMR_PERIODIC;
+
+    //[WKCHEN]MTO_CCA_MODE_SETUP()= (u8) hal_get_cca_mode(MTO_HAL());
+    //[WKCHEN]MTO_CCA_MODE()      = MTO_CCA_MODE_SETUP();
+
+    //MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_LONG;
+    MTO_PREAMBLE_TYPE() = MTO_PREAMBLE_SHORT;   // for test
+
+    MTO_ANT_SEL()       = hal_get_antenna_number(MTO_HAL());
+    MTO_ANT_MAC()       = MTO_ANT_SEL();
+    MTO_CNT_ANT(0)      = 0;
+    MTO_CNT_ANT(1)      = 0;
+    MTO_SQ_ANT(0)       = 0;
+    MTO_SQ_ANT(1)       = 0;
+    MTO_ANT_DIVERSITY() = MTO_ANTENNA_DIVERSITY_ON;
+    //CardSet_AntennaDiversity(Adapter, MTO_ANT_DIVERSITY());
+    //PLMESetAntennaDiversity( Adapter, MTO_ANT_DIVERSITY());
+
+    MTO_AGING_TIMEOUT() = 0;//MTO_TMR_AGING() / MTO_TMR_PERIODIC();
+
+    // The following parameters should be initialized to the values set by user
+    //
+    //MTO_RATE_LEVEL()            = 10;
+    MTO_RATE_LEVEL()            = 0;
+	MTO_FALLBACK_RATE_LEVEL()	= MTO_RATE_LEVEL();
+    MTO_FRAG_TH_LEVEL()         = 4;
+    /** 1.1.23.1000 Turbo modify from -1 to +1
+	MTO_RTS_THRESHOLD()         = MTO_FRAG_TH() - 1;
+    MTO_RTS_THRESHOLD_SETUP()   = MTO_FRAG_TH() - 1;
+	*/
+	MTO_RTS_THRESHOLD()         = MTO_FRAG_TH() + 1;
+    MTO_RTS_THRESHOLD_SETUP()   = MTO_FRAG_TH() + 1;
+    // 1.1.23.1000 Turbo add for mto change preamble from 0 to 1
+	MTO_RATE_CHANGE_ENABLE()    = 1;
+    MTO_FRAG_CHANGE_ENABLE()    = 0;          // 1.1.29.1000 Turbo add don't support frag
+	//The default valud of ANTDIV_DEFAULT_ON will be decided by EEPROM
+	//#ifdef ANTDIV_DEFAULT_ON
+    //MTO_ANT_DIVERSITY_ENABLE()  = 1;
+	//#else
+    //MTO_ANT_DIVERSITY_ENABLE()  = 0;
+	//#endif
+    MTO_POWER_CHANGE_ENABLE()   = 1;
+	MTO_PREAMBLE_CHANGE_ENABLE()= 1;
+    MTO_RTS_CHANGE_ENABLE()     = 0;          // 1.1.29.1000 Turbo add don't support frag
+    // 20040512 Turbo add
+	//old_antenna[0] = 1;
+	//old_antenna[1] = 0;
+	//old_antenna[2] = 1;
+	//old_antenna[3] = 0;
+	for (i=0;i<MTO_MAX_DATA_RATE_LEVELS;i++)
+		retryrate_rec[i]=5;
+
+	MTO_TXFLOWCOUNT() = 0;
+	//--------- DTO threshold parameters -------------
+	//MTOPARA_PERIODIC_CHECK_CYCLE() = 50;
+	MTOPARA_PERIODIC_CHECK_CYCLE() = 10;
+	MTOPARA_RSSI_TH_FOR_ANTDIV() = 10;
+	MTOPARA_TXCOUNT_TH_FOR_CALC_RATE() = 50;
+	MTOPARA_TXRATE_INC_TH()	= 10;
+	MTOPARA_TXRATE_DEC_TH() = 30;
+	MTOPARA_TXRATE_EQ_TH() = 40;
+	MTOPARA_TXRATE_BACKOFF() = 12;
+	MTOPARA_TXRETRYRATE_REDUCE() = 6;
+	if ( MTO_TXPOWER_FROM_EEPROM == 0xff)
+	{
+		switch( MTO_HAL()->phy_type)
+		{
+			case RF_AIROHA_2230:
+			case RF_AIROHA_2230S: // 20060420 Add this
+				MTOPARA_TXPOWER_INDEX() = 46; // MAX-8 // @@ Only for AL 2230
+				break;
+			case RF_AIROHA_7230:
+				MTOPARA_TXPOWER_INDEX() = 49;
+				break;
+			case RF_WB_242:
+				MTOPARA_TXPOWER_INDEX() = 10;
+				break;
+			case RF_WB_242_1:
+				MTOPARA_TXPOWER_INDEX() = 24; // ->10 20060316.1 modify
+				break;
+		}
+	}
+	else	//follow the setting from EEPROM
+		MTOPARA_TXPOWER_INDEX() = MTO_TXPOWER_FROM_EEPROM;
+	hal_set_rf_power(MTO_HAL(), (u8)MTOPARA_TXPOWER_INDEX());
+	//------------------------------------------------
+
+	// For RSSI turning 20060808.4 Cancel load from EEPROM
+	MTO_DATA().RSSI_high = -41;
+	MTO_DATA().RSSI_low = -60;
+}
+
+//---------------------------------------------------------------------------//
+static u32 DTO_Rx_Info[13][3];
+static u32 DTO_RxCRCFail_Info[13][3];
+static u32 AntennaToggleBkoffTimer=5;
+typedef struct{
+	int RxRate;
+	int RxRatePkts;
+	int index;
+}RXRATE_ANT;
+RXRATE_ANT RxRatePeakAnt[3];
+
+#define ANT0    0
+#define ANT1    1
+#define OLD_ANT 2
+
+void SearchPeakRxRate(int index)
+{
+	int i;
+	RxRatePeakAnt[index].RxRatePkts=0;
+	//Find out the best rx rate which is used on different antenna
+	for(i=1;i<13;i++)
+	{
+		if(DTO_Rx_Info[i][index] > (u32) RxRatePeakAnt[index].RxRatePkts)
+		{
+			RxRatePeakAnt[index].RxRatePkts = DTO_Rx_Info[i][index];
+			RxRatePeakAnt[index].RxRate = rate_tbl[i];
+			RxRatePeakAnt[index].index = i;
+		}
+	}
+}
+
+void ResetDTO_RxInfo(int index, MTO_FUNC_INPUT)
+{
+	int i;
+
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("ResetDTOrx\n"));
+	#endif
+
+	for(i=0;i<13;i++)
+		DTO_Rx_Info[i][index] = MTO_HAL()->rx_ok_count[i];
+
+	for(i=0;i<13;i++)
+		DTO_RxCRCFail_Info[i][index] = MTO_HAL()->rx_err_count[i];
+
+	TotalTxPkt = 0;
+	TotalTxPktRetry = 0;
+}
+
+void GetDTO_RxInfo(int index, MTO_FUNC_INPUT)
+{
+	int i;
+
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("GetDTOrx\n"));
+	#endif
+
+	//PDEBUG(("[MTO]:DTO_Rx_Info[%d]=%d, rx_ok_count=%d\n", index, DTO_Rx_Info[0][index], phw_data->rx_ok_count[0]));
+	for(i=0;i<13;i++)
+		DTO_Rx_Info[i][index] = abs(MTO_HAL()->rx_ok_count[i] - DTO_Rx_Info[i][index]);
+	if(DTO_Rx_Info[0][index]==0) DTO_Rx_Info[0][index] = 1;
+
+	for(i=0;i<13;i++)
+		DTO_RxCRCFail_Info[i][index] = MTO_HAL()->rx_err_count[i] - DTO_RxCRCFail_Info[i][index];
+
+	TxPktPerAnt[index] = TotalTxPkt;
+	TxPktRetryPerAnt[index] = TotalTxPktRetry;
+	TotalTxPkt = 0;
+	TotalTxPktRetry = 0;
+}
+
+void OutputDebugInfo(int index1, int index2)
+{
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("[HHDTO]:Total Rx (%d)\t\t(%d) \n ", DTO_Rx_Info[0][index1], DTO_Rx_Info[0][index2]));
+    WBDEBUG(("[HHDTO]:RECEIVE RSSI: (%d)\t\t(%d) \n ", RXRSSIANT[index1], RXRSSIANT[index2]));
+	WBDEBUG(("[HHDTO]:TX packet correct rate: (%d)%%\t\t(%d)%% \n ",Divide(TxPktPerAnt[index1]*100,TxPktRetryPerAnt[index1]), Divide(TxPktPerAnt[index2]*100,TxPktRetryPerAnt[index2])));
+	#endif
+	{
+		int tmp1, tmp2;
+		#ifdef _PE_DTO_DUMP_
+		WBDEBUG(("[HHDTO]:Total Tx (%d)\t\t(%d) \n ", TxPktPerAnt[index1], TxPktPerAnt[index2]));
+		WBDEBUG(("[HHDTO]:Total Tx retry (%d)\t\t(%d) \n ", TxPktRetryPerAnt[index1], TxPktRetryPerAnt[index2]));
+		#endif
+		tmp1 = TxPktPerAnt[index1] + DTO_Rx_Info[0][index1];
+		tmp2 = TxPktPerAnt[index2] + DTO_Rx_Info[0][index2];
+		#ifdef _PE_DTO_DUMP_
+		WBDEBUG(("[HHDTO]:Total Tx+RX (%d)\t\t(%d) \n ", tmp1, tmp2));
+		#endif
+	}
+}
+
+unsigned char TxDominate(int index)
+{
+	int tmp;
+
+	tmp = TxPktPerAnt[index] + DTO_Rx_Info[0][index];
+
+	if(Divide(TxPktPerAnt[index]*100, tmp) > 40)
+		return TRUE;
+	else
+		return FALSE;
+}
+
+unsigned char CmpTxRetryRate(int index1, int index2)
+{
+	int tx_retry_rate1, tx_retry_rate2;
+	tx_retry_rate1 = Divide((TxPktRetryPerAnt[index1] - TxPktPerAnt[index1])*100, TxPktRetryPerAnt[index1]);
+	tx_retry_rate2 = Divide((TxPktRetryPerAnt[index2] - TxPktPerAnt[index2])*100, TxPktRetryPerAnt[index2]);
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("[MTO]:TxRetry Ant0: (%d%%)  Ant1: (%d%%) \n ", tx_retry_rate1, tx_retry_rate2));
+	#endif
+
+	if(tx_retry_rate1 > tx_retry_rate2)
+		return TRUE;
+	else
+		return FALSE;
+}
+
+void GetFreshAntennaData(MTO_FUNC_INPUT)
+{
+    u8      x;
+
+	x = hal_get_antenna_number(MTO_HAL());
+	//hal_get_bss_pk_cnt(MTO_HAL());
+	//hal_get_est_sq3(MTO_HAL(), 1);
+	old_antenna[0] = x;
+	//if this is the function for timer
+	ResetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA);
+	if(AntennaToggleBkoffTimer)
+			AntennaToggleBkoffTimer--;
+	if (abs(last_rate_ant-MTO_RATE_LEVEL())>1)  //backoff timer reset
+		AntennaToggleBkoffTimer=0;
+
+	if (MTO_ANT_DIVERSITY() != MTO_ANTENNA_DIVERSITY_ON ||
+		MTO_ANT_DIVERSITY_ENABLE() != 1)
+	AntennaToggleBkoffTimer=1;
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("[HHDTO]:**last data rate=%d,now data rate=%d**antenna toggle timer=%d",last_rate_ant,MTO_RATE_LEVEL(),AntennaToggleBkoffTimer));
+	#endif
+	last_rate_ant=MTO_RATE_LEVEL();
+	if(AntennaToggleBkoffTimer==0)
+	{
+		MTO_TOGGLE_STATE() = TOGGLE_STATE_WAIT0;
+		#ifdef _PE_DTO_DUMP_
+		WBDEBUG(("[HHDTO]:===state is starting==for antenna toggle==="));
+		#endif
+	}
+	else
+		MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE;
+
+	if ((MTO_BACKOFF_TMR()!=0)&&(MTO_RATE_LEVEL()>MTO_DataRateAvailableLevel - 3))
+	{
+		MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE;
+		#ifdef _PE_DTO_DUMP_
+		WBDEBUG(("[HHDTO]:===the data rate is %d (good)and will not toogle  ===",MTO_DATA_RATE()>>1));
+		#endif
+	}
+
+
+}
+
+int WB_PCR[2]; //packet correct rate
+
+void AntennaToggleState(MTO_FUNC_INPUT)
+{
+    int decideantflag = 0;
+	u8      x;
+	s32     rssi;
+
+	if(MTO_ANT_DIVERSITY_ENABLE() != 1)
+		return;
+	x = hal_get_antenna_number(MTO_HAL());
+	switch(MTO_TOGGLE_STATE())
+	{
+
+	   //Missing.....
+	   case TOGGLE_STATE_IDLE:
+	 case TOGGLE_STATE_BKOFF:
+	             break;;
+
+		case TOGGLE_STATE_WAIT0://========
+	               GetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA);
+			sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi);
+			RXRSSIANT[x] = rssi;
+			#ifdef _PE_DTO_DUMP_
+			WBDEBUG(("[HHDTO] **wait0==== Collecting Ant%d--rssi=%d\n", x,RXRSSIANT[x]));
+			#endif
+
+			//change antenna and reset the data at changed antenna
+			x = (~x) & 0x01;
+			MTO_ANT_SEL() = x;
+			hal_set_antenna_number(MTO_HAL(), MTO_ANT_SEL());
+			LOCAL_ANTENNA_NO() = x;
+
+			MTO_TOGGLE_STATE() = TOGGLE_STATE_WAIT1;//go to wait1
+			ResetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA);
+			break;
+		case TOGGLE_STATE_WAIT1://=====wait1
+			//MTO_CNT_ANT(x) = hal_get_bss_pk_cnt(MTO_HAL());
+			//RXRSSIANT[x] = hal_get_rssi(MTO_HAL());
+			sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi);
+			RXRSSIANT[x] = rssi;
+			GetDTO_RxInfo(x, MTO_FUNC_INPUT_DATA);
+			#ifdef _PE_DTO_DUMP_
+			WBDEBUG(("[HHDTO] **wait1==== Collecting Ant%d--rssi=%d\n", x,RXRSSIANT[x]));
+			#endif
+			MTO_TOGGLE_STATE() = TOGGLE_STATE_MAKEDESISION;
+			break;
+		case TOGGLE_STATE_MAKEDESISION:
+			#ifdef _PE_DTO_DUMP_
+			WBDEBUG(("[HHDTO]:Ant--0-----------------1---\n"));
+			OutputDebugInfo(ANT0,ANT1);
+			#endif
+			//PDEBUG(("[HHDTO] **decision====\n "));
+
+			//=====following is the decision produrce
+			//
+			//    first: compare the rssi if difference >10
+			//           select the larger one
+			//           ,others go to second
+			//    second: comapre the tx+rx packet count if difference >100
+			//            use larger total packets antenna
+			//    third::compare the tx PER if packets>20
+			//                           if difference >5% using the bigger one
+			//
+			//    fourth:compare the RX PER if packets>20
+			//                    if PER difference <5%
+			//                   using old antenna
+			//
+			//
+			if (abs(RXRSSIANT[ANT0]-RXRSSIANT[ANT1]) > MTOPARA_RSSI_TH_FOR_ANTDIV())//====rssi_th
+			{
+				if (RXRSSIANT[ANT0]>RXRSSIANT[ANT1])
+				{
+					decideantflag=1;
+					MTO_ANT_MAC() = ANT0;
+				}
+				else
+				{
+					decideantflag=1;
+					MTO_ANT_MAC() = ANT1;
+				}
+				#ifdef _PE_DTO_DUMP_
+				WBDEBUG(("Select antenna by RSSI\n"));
+				#endif
+			}
+			else if  (abs(TxPktPerAnt[ANT0] + DTO_Rx_Info[0][ANT0]-TxPktPerAnt[ANT1]-DTO_Rx_Info[0][ANT1])<50)//=====total packet_th
+			{
+				#ifdef _PE_DTO_DUMP_
+				WBDEBUG(("Total tx/rx is close\n"));
+				#endif
+				if (TxDominate(ANT0) && TxDominate(ANT1))
+				{
+					if ((TxPktPerAnt[ANT0]>10) && (TxPktPerAnt[ANT1]>10))//====tx packet_th
+					{
+						WB_PCR[ANT0]=Divide(TxPktPerAnt[ANT0]*100,TxPktRetryPerAnt[ANT0]);
+						WB_PCR[ANT1]=Divide(TxPktPerAnt[ANT1]*100,TxPktRetryPerAnt[ANT1]);
+						if (abs(WB_PCR[ANT0]-WB_PCR[ANT1])>5)// tx PER_th
+						{
+							#ifdef _PE_DTO_DUMP_
+							WBDEBUG(("Decide by Tx correct rate\n"));
+							#endif
+							if (WB_PCR[ANT0]>WB_PCR[ANT1])
+							{
+								decideantflag=1;
+								MTO_ANT_MAC() = ANT0;
+							}
+							else
+							{
+								decideantflag=1;
+								MTO_ANT_MAC() = ANT1;
+							}
+						}
+						else
+						{
+							decideantflag=0;
+							untogglecount++;
+							MTO_ANT_MAC() = old_antenna[0];
+						}
+					}
+					else
+					{
+						decideantflag=0;
+						MTO_ANT_MAC() = old_antenna[0];
+					}
+				}
+				else if ((DTO_Rx_Info[0][ANT0]>10)&&(DTO_Rx_Info[0][ANT1]>10))//rx packet th
+				{
+					#ifdef _PE_DTO_DUMP_
+					WBDEBUG(("Decide by Rx\n"));
+					#endif
+					if (abs(DTO_Rx_Info[0][ANT0] - DTO_Rx_Info[0][ANT1])>50)
+					{
+						if (DTO_Rx_Info[0][ANT0] > DTO_Rx_Info[0][ANT1])
+						{
+							decideantflag=1;
+							MTO_ANT_MAC() = ANT0;
+						}
+						else
+						{
+							decideantflag=1;
+							MTO_ANT_MAC() = ANT1;
+						}
+					}
+					else
+					{
+						decideantflag=0;
+						untogglecount++;
+						MTO_ANT_MAC() = old_antenna[0];
+					}
+				}
+				else
+				{
+					decideantflag=0;
+					MTO_ANT_MAC() = old_antenna[0];
+				}
+			}
+			else if ((TxPktPerAnt[ANT0]+DTO_Rx_Info[0][ANT0])>(TxPktPerAnt[ANT1]+DTO_Rx_Info[0][ANT1]))//use more packekts
+			{
+				#ifdef _PE_DTO_DUMP_
+				WBDEBUG(("decide by total tx/rx : ANT 0\n"));
+				#endif
+
+				decideantflag=1;
+				MTO_ANT_MAC() = ANT0;
+			}
+			else
+			{
+				#ifdef _PE_DTO_DUMP_
+				WBDEBUG(("decide by total tx/rx : ANT 1\n"));
+				#endif
+				decideantflag=1;
+				MTO_ANT_MAC() = ANT1;
+
+			}
+			//this is force ant toggle
+			if (decideantflag==1)
+				untogglecount=0;
+
+			untogglecount=untogglecount%4;
+			if (untogglecount==3) //change antenna
+				MTO_ANT_MAC() = ((~old_antenna[0]) & 0x1);
+			#ifdef _PE_DTO_DUMP_
+			WBDEBUG(("[HHDTO]:==================untoggle-count=%d",untogglecount));
+			#endif
+
+
+
+
+			//PDEBUG(("[HHDTO] **********************************DTO ENABLE=%d",MTO_ANT_DIVERSITY_ENABLE()));
+			if(MTO_ANT_DIVERSITY_ENABLE() == 1)
+			{
+					MTO_ANT_SEL() = MTO_ANT_MAC();
+					hal_set_antenna_number(MTO_HAL(), MTO_ANT_SEL());
+					LOCAL_ANTENNA_NO() = MTO_ANT_SEL();
+					#ifdef _PE_DTO_DUMP_
+					WBDEBUG(("[HHDTO] ==decision==*******antflag=%d******************selected antenna=%d\n",decideantflag,MTO_ANT_SEL()));
+					#endif
+			}
+			if (decideantflag)
+			{
+				old_antenna[3]=old_antenna[2];//store antenna info
+				old_antenna[2]=old_antenna[1];
+				old_antenna[1]=old_antenna[0];
+				old_antenna[0]= MTO_ANT_MAC();
+			}
+			#ifdef _PE_DTO_DUMP_
+			WBDEBUG(("[HHDTO]:**old antenna=[%d][%d][%d][%d]\n",old_antenna[0],old_antenna[1],old_antenna[2],old_antenna[3]));
+			#endif
+			if (old_antenna[0]!=old_antenna[1])
+				AntennaToggleBkoffTimer=0;
+			else if (old_antenna[1]!=old_antenna[2])
+				AntennaToggleBkoffTimer=1;
+			else if (old_antenna[2]!=old_antenna[3])
+				AntennaToggleBkoffTimer=2;
+			else
+				AntennaToggleBkoffTimer=4;
+
+			#ifdef _PE_DTO_DUMP_
+			WBDEBUG(("[HHDTO]:**back off timer=%d",AntennaToggleBkoffTimer));
+			#endif
+
+			ResetDTO_RxInfo(MTO_ANT_MAC(), MTO_FUNC_INPUT_DATA);
+			if (AntennaToggleBkoffTimer==0 && decideantflag)
+				MTO_TOGGLE_STATE() = TOGGLE_STATE_WAIT0;
+			else
+				MTO_TOGGLE_STATE() = TOGGLE_STATE_IDLE;
+			break;
+	}
+
+}
+
+void multiagc(MTO_FUNC_INPUT, u8 high_gain_mode )
+{
+	s32		rssi;
+	hw_data_t	*pHwData = MTO_HAL();
+
+	sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi);
+
+	if( (RF_WB_242 == pHwData->phy_type) ||
+		(RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add
+	{
+		if (high_gain_mode==1)
+		{
+			//hw_set_dxx_reg(phw_data, 0x0C, 0xf8f52230);
+			//hw_set_dxx_reg(phw_data, 0x20, 0x06C43440);
+			Wb35Reg_Write( pHwData, 0x100C, 0xF2F32232 ); // 940916 0xf8f52230 );
+			Wb35Reg_Write( pHwData, 0x1020, 0x04cb3440 ); // 940915 0x06C43440
+		}
+		else if (high_gain_mode==0)
+		{
+			//hw_set_dxx_reg(phw_data, 0x0C, 0xEEEE000D);
+			//hw_set_dxx_reg(phw_data, 0x20, 0x06c41440);
+			Wb35Reg_Write( pHwData, 0x100C, 0xEEEE000D );
+			Wb35Reg_Write( pHwData, 0x1020, 0x04cb1440 ); // 940915 0x06c41440
+		}
+		#ifdef _PE_DTO_DUMP_
+		WBDEBUG(("[HHDTOAGC] **rssi=%d, high gain mode=%d", rssi, high_gain_mode));
+		#endif
+	}
+}
+
+void TxPwrControl(MTO_FUNC_INPUT)
+{
+    s32     rssi;
+	hw_data_t	*pHwData = MTO_HAL();
+
+	sme_get_rssi(MTO_FUNC_INPUT_DATA, &rssi);
+	if( (RF_WB_242 == pHwData->phy_type) ||
+		(RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add
+	{
+		static u8 high_gain_mode; //this is for winbond RF switch LNA
+		                          //using different register setting
+
+		if (high_gain_mode==1)
+		{
+			if( rssi > MTO_DATA().RSSI_high )
+			{
+				//hw_set_dxx_reg(phw_data, 0x0C, 0xf8f52230);
+				//hw_set_dxx_reg(phw_data, 0x20, 0x05541640);
+				high_gain_mode=0;
+			}
+			else
+			{
+				//hw_set_dxx_reg(phw_data, 0x0C, 0xf8f51830);
+				//hw_set_dxx_reg(phw_data, 0x20, 0x05543E40);
+				high_gain_mode=1;
+			}
+		}
+		else //if (high_gain_mode==0)
+		{
+			if( rssi < MTO_DATA().RSSI_low )
+			{
+				//hw_set_dxx_reg(phw_data, 0x0C, 0xf8f51830);
+				//hw_set_dxx_reg(phw_data, 0x20, 0x05543E40);
+				high_gain_mode=1;
+			}
+			else
+			{
+				//hw_set_dxx_reg(phw_data, 0x0C, 0xf8f52230);
+				//hw_set_dxx_reg(phw_data, 0x20, 0x05541640);
+				high_gain_mode=0;
+			}
+		}
+
+		// Always high gain 20051014. Using the initial value only.
+		multiagc(MTO_FUNC_INPUT_DATA, high_gain_mode);
+	}
+}
+
+
+u8 CalcNewRate(MTO_FUNC_INPUT, u8 old_rate, u32 retry_cnt, u32 tx_frag_cnt)
+{
+	int i;
+	u8 new_rate;
+    u32 retry_rate;
+	int TxThrouput1, TxThrouput2, TxThrouput3, BestThroupht;
+
+	if(tx_frag_cnt < MTOPARA_TXCOUNT_TH_FOR_CALC_RATE()) //too few packets transmit
+	{
+		return 0xff;
+	}
+	retry_rate = Divide(retry_cnt * 100, tx_frag_cnt);
+
+	if(retry_rate > 90) retry_rate = 90; //always truncate to 90% due to lookup table size
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("##### Current level =%d, Retry count =%d, Frag count =%d\n",
+						old_rate, retry_cnt, tx_frag_cnt));
+	WBDEBUG(("*##* Retry rate =%d, throughput =%d\n",
+						retry_rate, Rate_PER_TBL[retry_rate][old_rate]));
+	WBDEBUG(("TxRateRec.tx_rate =%d, Retry rate = %d, throughput = %d\n",
+						TxRateRec.tx_rate, TxRateRec.tx_retry_rate,
+						Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]]));
+	WBDEBUG(("old_rate-1 =%d, Retry rate = %d, throughput = %d\n",
+						old_rate-1, retryrate_rec[old_rate-1],
+						Rate_PER_TBL[retryrate_rec[old_rate-1]][old_rate-1]));
+	WBDEBUG(("old_rate+1 =%d, Retry rate = %d, throughput = %d\n",
+						old_rate+1, retryrate_rec[old_rate+1],
+						Rate_PER_TBL[retryrate_rec[old_rate+1]][old_rate+1]));
+	#endif
+
+	//following is for record the retry rate at the different data rate
+	if (abs(retry_rate-retryrate_rec[old_rate])<50)//---the per TH
+		retryrate_rec[old_rate] = retry_rate; //update retry rate
+	else
+	{
+		for (i=0;i<MTO_DataRateAvailableLevel;i++) //reset all retry rate
+			retryrate_rec[i]=0;
+		retryrate_rec[old_rate] = retry_rate;
+		#ifdef _PE_DTO_DUMP_
+		WBDEBUG(("Reset retry rate table\n"));
+		#endif
+	}
+
+	if(TxRateRec.tx_rate > old_rate)   //Decrease Tx Rate
+	{
+		TxThrouput1 = Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]];
+		TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]];
+		if(TxThrouput1 > TxThrouput2)
+		{
+			new_rate = TxRateRec.tx_rate;
+			BestThroupht = TxThrouput1;
+		}
+		else
+		{
+			new_rate = old_rate;
+			BestThroupht = TxThrouput2;
+		}
+		if((old_rate > 0) &&(retry_rate>MTOPARA_TXRATE_DEC_TH()))   //Min Rate
+		{
+			TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate-1]][Level2PerTbl[old_rate-1]];
+			if(BestThroupht < TxThrouput3)
+			{
+				new_rate = old_rate - 1;
+				#ifdef _PE_DTO_DUMP_
+				WBDEBUG(("--------\n"));
+				#endif
+				BestThroupht = TxThrouput3;
+			}
+		}
+	}
+	else if(TxRateRec.tx_rate < old_rate)  //Increase Tx Rate
+	{
+		TxThrouput1 = Rate_PER_TBL[TxRateRec.tx_retry_rate][Level2PerTbl[TxRateRec.tx_rate]];
+		TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]];
+		if(TxThrouput1 > TxThrouput2)
+		{
+			new_rate = TxRateRec.tx_rate;
+			BestThroupht = TxThrouput1;
+		}
+		else
+		{
+			new_rate = old_rate;
+			BestThroupht = TxThrouput2;
+		}
+		if ((old_rate < MTO_DataRateAvailableLevel - 1)&&(retry_rate<MTOPARA_TXRATE_INC_TH()))
+		{
+			//TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]];
+			if (retryrate_rec[old_rate+1] > MTOPARA_TXRETRYRATE_REDUCE())
+				TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]-MTOPARA_TXRETRYRATE_REDUCE()][Level2PerTbl[old_rate+1]];
+			else
+				TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]];
+			if(BestThroupht < TxThrouput3)
+			{
+				new_rate = old_rate + 1;
+				#ifdef _PE_DTO_DUMP_
+				WBDEBUG(("++++++++++\n"));
+				#endif
+				BestThroupht = TxThrouput3;
+			}
+		}
+	}
+	else  //Tx Rate no change
+	{
+		TxThrouput2 = Rate_PER_TBL[retry_rate][Level2PerTbl[old_rate]];
+		new_rate = old_rate;
+		BestThroupht = TxThrouput2;
+
+		if (retry_rate <MTOPARA_TXRATE_EQ_TH())    //th for change higher rate
+		{
+			if(old_rate < MTO_DataRateAvailableLevel - 1)
+			{
+				//TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]];
+				if (retryrate_rec[old_rate+1] > MTOPARA_TXRETRYRATE_REDUCE())
+					TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]-MTOPARA_TXRETRYRATE_REDUCE()][Level2PerTbl[old_rate+1]];
+				else
+					TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate+1]][Level2PerTbl[old_rate+1]];
+				if(BestThroupht < TxThrouput3)
+				{
+					new_rate = old_rate + 1;
+					BestThroupht = TxThrouput3;
+					#ifdef _PE_DTO_DUMP_
+					WBDEBUG(("=++++++++++\n"));
+					#endif
+				}
+			}
+		}
+		else
+		if(old_rate > 0)   //Min Rate
+		{
+			TxThrouput3 = Rate_PER_TBL[retryrate_rec[old_rate-1]][Level2PerTbl[old_rate-1]];
+			if(BestThroupht < TxThrouput3)
+			{
+				new_rate = old_rate - 1;
+				#ifdef _PE_DTO_DUMP_
+				WBDEBUG(("=--------\n"));
+				#endif
+				BestThroupht = TxThrouput3;
+			}
+		}
+	}
+
+	if (!LOCAL_IS_IBSS_MODE())
+	{
+	max_rssi_rate = GetMaxRateLevelFromRSSI();
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("[MTO]:RSSI2Rate=%d\n", MTO_Data_Rate_Tbl[max_rssi_rate]));
+	#endif
+	if(new_rate > max_rssi_rate)
+		new_rate = max_rssi_rate;
+	}
+
+	//save new rate;
+	TxRateRec.tx_rate = old_rate;
+	TxRateRec.tx_retry_rate = (u8) retry_rate;
+	TxRetryRate = retry_rate;
+	return new_rate;
+}
+
+void SmoothRSSI(s32 new_rssi)
+{
+	RSSISmoothed = RSSISmoothed + new_rssi - RSSIBuf[RSSIBufIndex];
+	RSSIBuf[RSSIBufIndex] = new_rssi;
+	RSSIBufIndex = (RSSIBufIndex + 1) % 10;
+}
+
+u8 GetMaxRateLevelFromRSSI(void)
+{
+	u8 i;
+	u8 TxRate;
+
+	for(i=0;i<RSSI2RATE_SIZE;i++)
+	{
+		if(RSSISmoothed > RSSI2RateTbl[i].RSSI)
+			break;
+	}
+	#ifdef _PE_DTO_DUMP_
+	WBDEBUG(("[MTO]:RSSI=%d\n", Divide(RSSISmoothed, 10)));
+	#endif
+	if(i < RSSI2RATE_SIZE)
+		TxRate = RSSI2RateTbl[i].TxRate;
+	else
+		TxRate = 2;  //divided by 2 = 1Mbps
+
+	for(i=MTO_DataRateAvailableLevel-1;i>0;i--)
+	{
+		if(TxRate >=MTO_Data_Rate_Tbl[i])
+			break;
+	}
+	return i;
+}
+
+//===========================================================================
+//  Description:
+//      If we enable DTO, we will ignore the tx count with different tx rate from
+//      DTO rate. This is because when we adjust DTO tx rate, there could be some
+//      packets in the tx queue with previous tx rate
+void MTO_SetTxCount(MTO_FUNC_INPUT, u8 tx_rate, u8 index)
+{
+	MTO_TXFLOWCOUNT()++;
+	if ((MTO_ENABLE==1) && (MTO_RATE_CHANGE_ENABLE()==1))
+	{
+		if(tx_rate == MTO_DATA_RATE())
+		{
+			if (index == 0)
+			{
+				if (boSparseTxTraffic)
+					MTO_HAL()->dto_tx_frag_count += MTOPARA_PERIODIC_CHECK_CYCLE();
+				else
+					MTO_HAL()->dto_tx_frag_count += 1;
+			}
+			else
+			{
+				if (index<8)
+				{
+					MTO_HAL()->dto_tx_retry_count += index;
+					MTO_HAL()->dto_tx_frag_count += (index+1);
+				}
+				else
+				{
+					MTO_HAL()->dto_tx_retry_count += 7;
+					MTO_HAL()->dto_tx_frag_count += 7;
+				}
+			}
+		}
+		else if(MTO_DATA_RATE()>48 && tx_rate ==48)
+		{//ALFRED
+			if (index<3) //for reduciing data rate scheme ,
+				         //do not calcu different data rate
+						 //3 is the reducing data rate at retry
+			{
+				MTO_HAL()->dto_tx_retry_count += index;
+				MTO_HAL()->dto_tx_frag_count += (index+1);
+			}
+			else
+			{
+				MTO_HAL()->dto_tx_retry_count += 3;
+				MTO_HAL()->dto_tx_frag_count += 3;
+			}
+
+		}
+	}
+	else
+	{
+		MTO_HAL()->dto_tx_retry_count += index;
+		MTO_HAL()->dto_tx_frag_count += (index+1);
+	}
+	TotalTxPkt ++;
+	TotalTxPktRetry += (index+1);
+
+	PeriodTotalTxPkt ++;
+	PeriodTotalTxPktRetry += (index+1);
+}
+
+u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT)
+{
+	return MTO_DATA_FALLBACK_RATE();
+}
+
+
+//===========================================================================
+//  MTO_TxFailed --
+//
+//  Description:
+//    Failure of transmitting a packet indicates that certain MTO parmeters
+//    may need to be adjusted. This function is called when NIC just failed
+//    to transmit a packet or when MSDULifeTime expired.
+//
+//  Arguments:
+//    Adapter      - The pointer to the Miniport Adapter Context
+//
+//  Return Value:
+//    None
+//============================================================================
+void MTO_TxFailed(MTO_FUNC_INPUT)
+{
+	return;
+}
+
+int Divide(int a, int b)
+{
+	if (b==0) b=1;
+	return a/b;
+}
+
+
diff --git a/drivers/staging/winbond/mto.h b/drivers/staging/winbond/mto.h
new file mode 100644
index 00000000000..f47936f46d1
--- /dev/null
+++ b/drivers/staging/winbond/mto.h
@@ -0,0 +1,265 @@
+//==================================================================
+// MTO.H
+//
+// Revision history
+//=================================
+//          20030110    UN20 Pete Chao
+//                      Initial Release
+//
+// Copyright (c) 2003 Winbond Electronics Corp. All rights reserved.
+//==================================================================
+#ifndef __MTO_H__
+#define __MTO_H__
+
+#define MTO_DEFAULT_TH_CNT              5
+#define MTO_DEFAULT_TH_SQ3              112  //OLD IS 13 reference JohnXu
+#define MTO_DEFAULT_TH_IDLE_SLOT        15
+#define MTO_DEFAULT_TH_PR_INTERF        30
+#define MTO_DEFAULT_TMR_AGING           25  // unit: slot time  10 reference JohnXu
+#define MTO_DEFAULT_TMR_PERIODIC        5   // unit: slot time
+
+#define MTO_ANTENNA_DIVERSITY_OFF       0
+#define MTO_ANTENNA_DIVERSITY_ON        1
+
+// LA20040210_DTO kevin
+//#define MTO_PREAMBLE_LONG               0
+//#define MTO_PREAMBLE_SHORT              1
+#define MTO_PREAMBLE_LONG               WLAN_PREAMBLE_TYPE_LONG
+#define MTO_PREAMBLE_SHORT              WLAN_PREAMBLE_TYPE_SHORT
+
+typedef enum {
+    TOGGLE_STATE_IDLE             = 0,
+    TOGGLE_STATE_WAIT0            = 1,
+    TOGGLE_STATE_WAIT1            = 2,
+    TOGGLE_STATE_MAKEDESISION     = 3,
+	TOGGLE_STATE_BKOFF            = 4
+} TOGGLE_STATE;
+
+typedef enum {
+    RATE_CHGSTATE_IDLE         = 0,
+    RATE_CHGSTATE_CALCULATE    = 1,
+    RATE_CHGSTATE_BACKOFF	   = 2
+} TX_RATE_REDUCTION_STATE;
+
+//============================================================================
+// struct _MTOParameters --
+//
+//   Defines the parameters used in the MAC Throughput Optimization algorithm
+//============================================================================
+typedef struct _MTO_PARAMETERS
+{
+	u8      Th_Fixant;
+	u8      Th_Cnt;
+	u8      Th_SQ3;
+	u8      Th_IdleSlot;
+
+	u16     Tmr_Aging;
+	u8      Th_PrInterf;
+	u8      Tmr_Periodic;
+
+	//---------        wkchen added      -------------
+	u32		TxFlowCount;	//to judge what kind the tx flow(sparse or busy) is
+	//------------------------------------------------
+
+	//--------- DTO threshold parameters -------------
+	u16		DTO_PeriodicCheckCycle;
+	u16		DTO_RssiThForAntDiv;
+
+	u16		DTO_TxCountThForCalcNewRate;
+	u16		DTO_TxRateIncTh;
+
+	u16		DTO_TxRateDecTh;
+	u16		DTO_TxRateEqTh;
+
+	u16		DTO_TxRateBackOff;
+	u16		DTO_TxRetryRateReduce;
+
+	u16		DTO_TxPowerIndex;	//0 ~ 31
+	u16		reserved_1;
+	//------------------------------------------------
+
+	u8      PowerChangeEnable;
+	u8      AntDiversityEnable;
+	u8      Ant_mac;
+	u8      Ant_div;
+
+	u8      CCA_Mode;
+	u8      CCA_Mode_Setup;
+	u8      Preamble_Type;
+	u8      PreambleChangeEnable;
+
+	u8      DataRateLevel;
+	u8      DataRateChangeEnable;
+	u8      FragThresholdLevel;
+	u8      FragThresholdChangeEnable;
+
+	u16     RTSThreshold;
+	u16     RTSThreshold_Setup;
+
+	u32     AvgIdleSlot;
+	u32     Pr_Interf;
+	u32     AvgGapBtwnInterf;
+
+	u8	   RTSChangeEnable;
+	u8      Ant_sel;
+	u8      aging_timeout;
+	u8	   reserved_2;
+
+	u32     Cnt_Ant[2];
+	u32     SQ_Ant[2];
+
+// 20040510 remove from globe vairable
+	u32                     TmrCnt;
+	u32                     BackoffTmr;
+	TOGGLE_STATE            ToggleState;
+	TX_RATE_REDUCTION_STATE TxRateReductionState;
+
+	u8                      Last_Rate;
+	u8                      Co_efficent;
+	u8		FallbackRateLevel;
+	u8		OfdmRateLevel;
+
+	u8		RatePolicy;
+	u8		reserved_3[3];
+
+	// For RSSI turning
+	s32		RSSI_high;
+	s32		RSSI_low;
+
+} MTO_PARAMETERS, *PMTO_PARAMETERS;
+
+
+#define MTO_FUNC_INPUT              PWB32_ADAPTER	Adapter
+#define MTO_FUNC_INPUT_DATA         Adapter
+#define MTO_DATA()                  (Adapter->sMtoPara)
+#define MTO_HAL()                   (&Adapter->sHwData)
+#define MTO_SET_PREAMBLE_TYPE(x)    // 20040511 Turbo mark LM_PREAMBLE_TYPE(&pcore_data->lm_data) = (x)
+#define MTO_ENABLE					(Adapter->sLocalPara.TxRateMode == RATE_AUTO)
+#define MTO_TXPOWER_FROM_EEPROM		(Adapter->sHwData.PowerIndexFromEEPROM)
+#define LOCAL_ANTENNA_NO()			(Adapter->sLocalPara.bAntennaNo)
+#define LOCAL_IS_CONNECTED()		(Adapter->sLocalPara.wConnectedSTAindex != 0)
+#define LOCAL_IS_IBSS_MODE()		(Adapter->asBSSDescriptElement[Adapter->sLocalPara.wConnectedSTAindex].bBssType == IBSS_NET)
+#define MTO_INITTXRATE_MODE			(Adapter->sHwData.SoftwareSet&0x2)	//bit 1
+// 20040510 Turbo add
+#define MTO_TMR_CNT()               MTO_DATA().TmrCnt
+#define MTO_TOGGLE_STATE()          MTO_DATA().ToggleState
+#define MTO_TX_RATE_REDUCTION_STATE() MTO_DATA().TxRateReductionState
+#define MTO_BACKOFF_TMR()           MTO_DATA().BackoffTmr
+#define MTO_LAST_RATE()             MTO_DATA().Last_Rate
+#define MTO_CO_EFFICENT()           MTO_DATA().Co_efficent
+
+#define MTO_TH_CNT()                MTO_DATA().Th_Cnt
+#define MTO_TH_SQ3()                MTO_DATA().Th_SQ3
+#define MTO_TH_IDLE_SLOT()          MTO_DATA().Th_IdleSlot
+#define MTO_TH_PR_INTERF()          MTO_DATA().Th_PrInterf
+
+#define MTO_TMR_AGING()             MTO_DATA().Tmr_Aging
+#define MTO_TMR_PERIODIC()          MTO_DATA().Tmr_Periodic
+
+#define MTO_POWER_CHANGE_ENABLE()   MTO_DATA().PowerChangeEnable
+#define MTO_ANT_DIVERSITY_ENABLE()  Adapter->sLocalPara.boAntennaDiversity
+#define MTO_ANT_MAC()               MTO_DATA().Ant_mac
+#define MTO_ANT_DIVERSITY()         MTO_DATA().Ant_div
+#define MTO_CCA_MODE()              MTO_DATA().CCA_Mode
+#define MTO_CCA_MODE_SETUP()        MTO_DATA().CCA_Mode_Setup
+#define MTO_PREAMBLE_TYPE()         MTO_DATA().Preamble_Type
+#define MTO_PREAMBLE_CHANGE_ENABLE()         MTO_DATA().PreambleChangeEnable
+
+#define MTO_RATE_LEVEL()            MTO_DATA().DataRateLevel
+#define MTO_FALLBACK_RATE_LEVEL()	MTO_DATA().FallbackRateLevel
+#define MTO_OFDM_RATE_LEVEL()		MTO_DATA().OfdmRateLevel
+#define MTO_RATE_CHANGE_ENABLE()    MTO_DATA().DataRateChangeEnable
+#define MTO_FRAG_TH_LEVEL()         MTO_DATA().FragThresholdLevel
+#define MTO_FRAG_CHANGE_ENABLE()    MTO_DATA().FragThresholdChangeEnable
+#define MTO_RTS_THRESHOLD()         MTO_DATA().RTSThreshold
+#define MTO_RTS_CHANGE_ENABLE()     MTO_DATA().RTSChangeEnable
+#define MTO_RTS_THRESHOLD_SETUP()   MTO_DATA().RTSThreshold_Setup
+
+#define MTO_AVG_IDLE_SLOT()         MTO_DATA().AvgIdleSlot
+#define MTO_PR_INTERF()             MTO_DATA().Pr_Interf
+#define MTO_AVG_GAP_BTWN_INTERF()   MTO_DATA().AvgGapBtwnInterf
+
+#define MTO_ANT_SEL()               MTO_DATA().Ant_sel
+#define MTO_CNT_ANT(x)              MTO_DATA().Cnt_Ant[(x)]
+#define MTO_SQ_ANT(x)               MTO_DATA().SQ_Ant[(x)]
+#define MTO_AGING_TIMEOUT()         MTO_DATA().aging_timeout
+
+
+#define MTO_TXFLOWCOUNT()			MTO_DATA().TxFlowCount
+//--------- DTO threshold parameters -------------
+#define	MTOPARA_PERIODIC_CHECK_CYCLE()		MTO_DATA().DTO_PeriodicCheckCycle
+#define	MTOPARA_RSSI_TH_FOR_ANTDIV()		MTO_DATA().DTO_RssiThForAntDiv
+#define	MTOPARA_TXCOUNT_TH_FOR_CALC_RATE()	MTO_DATA().DTO_TxCountThForCalcNewRate
+#define	MTOPARA_TXRATE_INC_TH()			MTO_DATA().DTO_TxRateIncTh
+#define	MTOPARA_TXRATE_DEC_TH()			MTO_DATA().DTO_TxRateDecTh
+#define MTOPARA_TXRATE_EQ_TH()			MTO_DATA().DTO_TxRateEqTh
+#define	MTOPARA_TXRATE_BACKOFF()		MTO_DATA().DTO_TxRateBackOff
+#define	MTOPARA_TXRETRYRATE_REDUCE()		MTO_DATA().DTO_TxRetryRateReduce
+#define MTOPARA_TXPOWER_INDEX()			MTO_DATA().DTO_TxPowerIndex
+//------------------------------------------------
+
+
+extern u8   MTO_Data_Rate_Tbl[];
+extern u16  MTO_Frag_Th_Tbl[];
+
+#define MTO_DATA_RATE()          MTO_Data_Rate_Tbl[MTO_RATE_LEVEL()]
+#define MTO_DATA_FALLBACK_RATE() MTO_Data_Rate_Tbl[MTO_FALLBACK_RATE_LEVEL()]	//next level
+#define MTO_FRAG_TH()            MTO_Frag_Th_Tbl[MTO_FRAG_TH_LEVEL()]
+
+typedef struct {
+	u8 tx_rate;
+	u8 tx_retry_rate;
+} TXRETRY_REC;
+
+typedef struct _STATISTICS_INFO {
+	u32   Rate54M;
+	u32   Rate48M;
+	u32   Rate36M;
+	u32   Rate24M;
+	u32   Rate18M;
+	u32   Rate12M;
+	u32   Rate9M;
+	u32   Rate6M;
+	u32   Rate11MS;
+	u32   Rate11ML;
+	u32   Rate55MS;
+	u32   Rate55ML;
+	u32   Rate2MS;
+	u32   Rate2ML;
+	u32   Rate1M;
+	u32   Rate54MOK;
+	u32   Rate48MOK;
+	u32   Rate36MOK;
+	u32   Rate24MOK;
+	u32   Rate18MOK;
+	u32   Rate12MOK;
+	u32   Rate9MOK;
+	u32   Rate6MOK;
+	u32   Rate11MSOK;
+	u32   Rate11MLOK;
+	u32   Rate55MSOK;
+	u32   Rate55MLOK;
+	u32   Rate2MSOK;
+	u32   Rate2MLOK;
+	u32   Rate1MOK;
+	u32   SQ3;
+	s32   RSSIAVG;
+	s32   RSSIMAX;
+	s32   TXRATE;
+	s32   TxRetryRate;
+	s32   BSS_PK_CNT;
+	s32   NIDLESLOT;
+	s32   SLOT_CNT;
+	s32   INTERF_CNT;
+	s32   GAP_CNT;
+	s32   DS_EVM;
+	s32   RcvBeaconNum;
+	s32   RXRATE;
+	s32   RxBytes;
+	s32   TxBytes;
+	s32   Antenna;
+} STATISTICS_INFO, *PSTATISTICS_INFO;
+
+#endif //__MTO_H__
+
+
diff --git a/drivers/staging/winbond/mto_f.h b/drivers/staging/winbond/mto_f.h
new file mode 100644
index 00000000000..30b3df2ccb3
--- /dev/null
+++ b/drivers/staging/winbond/mto_f.h
@@ -0,0 +1,7 @@
+extern void MTO_Init(PWB32_ADAPTER);
+extern void MTO_PeriodicTimerExpired(PWB32_ADAPTER);
+extern void MTO_SetDTORateRange(PWB32_ADAPTER, u8 *, u8);
+extern u8 MTO_GetTxRate(MTO_FUNC_INPUT, u32 fpdu_len);
+extern u8 MTO_GetTxFallbackRate(MTO_FUNC_INPUT);
+extern void MTO_SetTxCount(MTO_FUNC_INPUT, u8 t0, u8 index);
+
diff --git a/drivers/staging/winbond/os_common.h b/drivers/staging/winbond/os_common.h
new file mode 100644
index 00000000000..e24ff41e871
--- /dev/null
+++ b/drivers/staging/winbond/os_common.h
@@ -0,0 +1,2 @@
+#include "linux/sysdef.h"
+
diff --git a/drivers/staging/winbond/phy_calibration.c b/drivers/staging/winbond/phy_calibration.c
new file mode 100644
index 00000000000..272a65066ab
--- /dev/null
+++ b/drivers/staging/winbond/phy_calibration.c
@@ -0,0 +1,1759 @@
+/*
+ * phy_302_calibration.c
+ *
+ * Copyright (C) 2002, 2005  Winbond Electronics Corp.
+ *
+ * modification history
+ * ---------------------------------------------------------------------------
+ * 0.01.001, 2003-04-16, Kevin      created
+ *
+ */
+
+/****************** INCLUDE FILES SECTION ***********************************/
+#include "os_common.h"
+#include "phy_calibration.h"
+
+
+/****************** DEBUG CONSTANT AND MACRO SECTION ************************/
+
+/****************** LOCAL CONSTANT AND MACRO SECTION ************************/
+#define LOOP_TIMES      20
+#define US              1000//MICROSECOND
+
+#define AG_CONST        0.6072529350
+#define FIXED(X)        ((s32)((X) * 32768.0))
+#define DEG2RAD(X)      0.017453 * (X)
+
+/****************** LOCAL TYPE DEFINITION SECTION ***************************/
+typedef s32         fixed; /* 16.16 fixed-point */
+
+static const fixed Angles[]=
+{
+    FIXED(DEG2RAD(45.0)),    FIXED(DEG2RAD(26.565)),  FIXED(DEG2RAD(14.0362)),
+    FIXED(DEG2RAD(7.12502)), FIXED(DEG2RAD(3.57633)), FIXED(DEG2RAD(1.78991)),
+    FIXED(DEG2RAD(0.895174)),FIXED(DEG2RAD(0.447614)),FIXED(DEG2RAD(0.223811)),
+    FIXED(DEG2RAD(0.111906)),FIXED(DEG2RAD(0.055953)),FIXED(DEG2RAD(0.027977))
+};
+
+/****************** LOCAL FUNCTION DECLARATION SECTION **********************/
+//void    _phy_rf_write_delay(hw_data_t *phw_data);
+//void    phy_init_rf(hw_data_t *phw_data);
+
+/****************** FUNCTION DEFINITION SECTION *****************************/
+
+s32 _s13_to_s32(u32 data)
+{
+    u32     val;
+
+    val = (data & 0x0FFF);
+
+    if ((data & BIT(12)) != 0)
+    {
+        val |= 0xFFFFF000;
+    }
+
+    return ((s32) val);
+}
+
+u32 _s32_to_s13(s32 data)
+{
+    u32     val;
+
+    if (data > 4095)
+    {
+        data = 4095;
+    }
+    else if (data < -4096)
+    {
+        data = -4096;
+    }
+
+    val = data & 0x1FFF;
+
+    return val;
+}
+
+/****************************************************************************/
+s32 _s4_to_s32(u32 data)
+{
+    s32     val;
+
+    val = (data & 0x0007);
+
+    if ((data & BIT(3)) != 0)
+    {
+        val |= 0xFFFFFFF8;
+    }
+
+    return val;
+}
+
+u32 _s32_to_s4(s32 data)
+{
+    u32     val;
+
+    if (data > 7)
+    {
+        data = 7;
+    }
+    else if (data < -8)
+    {
+        data = -8;
+    }
+
+    val = data & 0x000F;
+
+    return val;
+}
+
+/****************************************************************************/
+s32 _s5_to_s32(u32 data)
+{
+    s32     val;
+
+    val = (data & 0x000F);
+
+    if ((data & BIT(4)) != 0)
+    {
+        val |= 0xFFFFFFF0;
+    }
+
+    return val;
+}
+
+u32 _s32_to_s5(s32 data)
+{
+    u32     val;
+
+    if (data > 15)
+    {
+        data = 15;
+    }
+    else if (data < -16)
+    {
+        data = -16;
+    }
+
+    val = data & 0x001F;
+
+    return val;
+}
+
+/****************************************************************************/
+s32 _s6_to_s32(u32 data)
+{
+    s32     val;
+
+    val = (data & 0x001F);
+
+    if ((data & BIT(5)) != 0)
+    {
+        val |= 0xFFFFFFE0;
+    }
+
+    return val;
+}
+
+u32 _s32_to_s6(s32 data)
+{
+    u32     val;
+
+    if (data > 31)
+    {
+        data = 31;
+    }
+    else if (data < -32)
+    {
+        data = -32;
+    }
+
+    val = data & 0x003F;
+
+    return val;
+}
+
+/****************************************************************************/
+s32 _s9_to_s32(u32 data)
+{
+    s32     val;
+
+    val = data & 0x00FF;
+
+    if ((data & BIT(8)) != 0)
+    {
+        val |= 0xFFFFFF00;
+    }
+
+    return val;
+}
+
+u32 _s32_to_s9(s32 data)
+{
+    u32     val;
+
+    if (data > 255)
+    {
+        data = 255;
+    }
+    else if (data < -256)
+    {
+        data = -256;
+    }
+
+    val = data & 0x01FF;
+
+    return val;
+}
+
+/****************************************************************************/
+s32 _floor(s32 n)
+{
+    if (n > 0)
+    {
+        n += 5;
+    }
+    else
+    {
+        n -= 5;
+    }
+
+    return (n/10);
+}
+
+/****************************************************************************/
+// The following code is sqare-root function.
+// sqsum is the input and the output is sq_rt;
+// The maximum of sqsum = 2^27 -1;
+u32 _sqrt(u32 sqsum)
+{
+    u32     sq_rt;
+
+    int     g0, g1, g2, g3, g4;
+    int     seed;
+    int     next;
+    int     step;
+
+    g4 =  sqsum / 100000000;
+    g3 = (sqsum - g4*100000000) /1000000;
+    g2 = (sqsum - g4*100000000 - g3*1000000) /10000;
+    g1 = (sqsum - g4*100000000 - g3*1000000 - g2*10000) /100;
+    g0 = (sqsum - g4*100000000 - g3*1000000 - g2*10000 - g1*100);
+
+    next = g4;
+    step = 0;
+    seed = 0;
+    while (((seed+1)*(step+1)) <= next)
+    {
+    	step++;
+    	seed++;
+    }
+
+    sq_rt = seed * 10000;
+    next = (next-(seed*step))*100 + g3;
+
+    step = 0;
+    seed = 2 * seed * 10;
+    while (((seed+1)*(step+1)) <= next)
+    {
+        step++;
+    	seed++;
+    }
+
+    sq_rt = sq_rt + step * 1000;
+    next = (next - seed * step) * 100 + g2;
+    seed = (seed + step) * 10;
+    step = 0;
+    while (((seed+1)*(step+1)) <= next)
+    {
+        step++;
+    	seed++;
+    }
+
+    sq_rt = sq_rt + step * 100;
+    next = (next - seed * step) * 100 + g1;
+    seed = (seed + step) * 10;
+    step = 0;
+
+    while (((seed+1)*(step+1)) <= next)
+    {
+        step++;
+    	seed++;
+    }
+
+    sq_rt = sq_rt + step * 10;
+    next = (next - seed* step) * 100 + g0;
+    seed = (seed + step) * 10;
+    step = 0;
+
+    while (((seed+1)*(step+1)) <= next)
+    {
+        step++;
+    	seed++;
+    }
+
+    sq_rt = sq_rt + step;
+
+    return sq_rt;
+}
+
+/****************************************************************************/
+void _sin_cos(s32 angle, s32 *sin, s32 *cos)
+{
+    fixed       X, Y, TargetAngle, CurrAngle;
+    unsigned    Step;
+
+    X=FIXED(AG_CONST);      // AG_CONST * cos(0)
+    Y=0;                    // AG_CONST * sin(0)
+    TargetAngle=abs(angle);
+    CurrAngle=0;
+
+    for (Step=0; Step < 12; Step++)
+    {
+        fixed NewX;
+
+        if(TargetAngle > CurrAngle)
+        {
+            NewX=X - (Y >> Step);
+            Y=(X >> Step) + Y;
+            X=NewX;
+            CurrAngle += Angles[Step];
+        }
+        else
+        {
+            NewX=X + (Y >> Step);
+            Y=-(X >> Step) + Y;
+            X=NewX;
+            CurrAngle -= Angles[Step];
+        }
+    }
+
+    if (angle > 0)
+    {
+        *cos = X;
+        *sin = Y;
+    }
+    else
+    {
+        *cos = X;
+        *sin = -Y;
+    }
+}
+
+
+void _reset_rx_cal(hw_data_t *phw_data)
+{
+	u32     val;
+
+	hw_get_dxx_reg(phw_data, 0x54, &val);
+
+	if (phw_data->revision == 0x2002) // 1st-cut
+	{
+		val &= 0xFFFF0000;
+	}
+	else // 2nd-cut
+	{
+		val &= 0x000003FF;
+	}
+
+	hw_set_dxx_reg(phw_data, 0x54, val);
+}
+
+
+// ************for winbond calibration*********
+//
+
+//
+//
+// *********************************************
+void _rxadc_dc_offset_cancellation_winbond(hw_data_t *phw_data, u32 frequency)
+{
+    u32     reg_agc_ctrl3;
+    u32     reg_a_acq_ctrl;
+    u32     reg_b_acq_ctrl;
+    u32     val;
+
+    PHY_DEBUG(("[CAL] -> [1]_rxadc_dc_offset_cancellation()\n"));
+    phy_init_rf(phw_data);
+
+    // set calibration channel
+    if( (RF_WB_242 == phw_data->phy_type) ||
+		(RF_WB_242_1 == phw_data->phy_type) ) // 20060619.5 Add
+    {
+        if ((frequency >= 2412) && (frequency <= 2484))
+        {
+            // w89rf242 change frequency to 2390Mhz
+            PHY_DEBUG(("[CAL] W89RF242/11G/Channel=2390Mhz\n"));
+			phy_set_rf_data(phw_data, 3, (3<<24)|0x025586);
+
+        }
+    }
+    else
+	{
+
+	}
+
+	// reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel
+	hw_get_dxx_reg(phw_data, 0x5C, &val);
+	val &= ~(0x03FF);
+	hw_set_dxx_reg(phw_data, 0x5C, val);
+
+	// reset the TX and RX IQ calibration data
+	hw_set_dxx_reg(phw_data, 0x3C, 0);
+	hw_set_dxx_reg(phw_data, 0x54, 0);
+
+	hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed
+
+	// a. Disable AGC
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
+	reg_agc_ctrl3 &= ~BIT(2);
+	reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
+
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
+	val |= MASK_AGC_FIX_GAIN;
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
+
+	// b. Turn off BB RX
+	hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, &reg_a_acq_ctrl);
+	reg_a_acq_ctrl |= MASK_AMER_OFF_REG;
+	hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl);
+
+	hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, &reg_b_acq_ctrl);
+	reg_b_acq_ctrl |= MASK_BMER_OFF_REG;
+	hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl);
+
+	// c. Make sure MAC is in receiving mode
+	// d. Turn ON ADC calibration
+	//    - ADC calibrator is triggered by this signal rising from 0 to 1
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val);
+	val &= ~MASK_ADC_DC_CAL_STR;
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
+
+	val |= MASK_ADC_DC_CAL_STR;
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
+	pa_stall_execution(US); // *MUST* wait for a while
+
+	// e. The result are shown in "adc_dc_cal_i[8:0] and adc_dc_cal_q[8:0]"
+#ifdef _DEBUG
+	hw_get_dxx_reg(phw_data, REG_OFFSET_READ, &val);
+	PHY_DEBUG(("[CAL]    REG_OFFSET_READ = 0x%08X\n", val));
+
+	PHY_DEBUG(("[CAL]    ** adc_dc_cal_i = %d (0x%04X)\n",
+			   _s9_to_s32(val&0x000001FF), val&0x000001FF));
+	PHY_DEBUG(("[CAL]    ** adc_dc_cal_q = %d (0x%04X)\n",
+			   _s9_to_s32((val&0x0003FE00)>>9), (val&0x0003FE00)>>9));
+#endif
+
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val);
+	val &= ~MASK_ADC_DC_CAL_STR;
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, val);
+
+	// f. Turn on BB RX
+	//hw_get_dxx_reg(phw_data, REG_A_ACQ_CTRL, &reg_a_acq_ctrl);
+	reg_a_acq_ctrl &= ~MASK_AMER_OFF_REG;
+	hw_set_dxx_reg(phw_data, REG_A_ACQ_CTRL, reg_a_acq_ctrl);
+
+	//hw_get_dxx_reg(phw_data, REG_B_ACQ_CTRL, &reg_b_acq_ctrl);
+	reg_b_acq_ctrl &= ~MASK_BMER_OFF_REG;
+	hw_set_dxx_reg(phw_data, REG_B_ACQ_CTRL, reg_b_acq_ctrl);
+
+	// g. Enable AGC
+	//hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val);
+	reg_agc_ctrl3 |= BIT(2);
+	reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
+}
+
+////////////////////////////////////////////////////////
+void _txidac_dc_offset_cancellation_winbond(hw_data_t *phw_data)
+{
+	u32     reg_agc_ctrl3;
+	u32     reg_mode_ctrl;
+	u32     reg_dc_cancel;
+	s32     iqcal_image_i;
+	s32     iqcal_image_q;
+	u32     sqsum;
+	s32     mag_0;
+	s32     mag_1;
+	s32     fix_cancel_dc_i = 0;
+	u32     val;
+	int     loop;
+
+	PHY_DEBUG(("[CAL] -> [2]_txidac_dc_offset_cancellation()\n"));
+
+	// a. Set to "TX calibration mode"
+
+	//0x01 0xEE3FC2  ; 3B8FF  ; Calibration (6a). enable TX IQ calibration loop circuits
+	phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2);
+	//0x0B 0x1905D6  ; 06417  ; Calibration (6b). enable TX I/Q cal loop squaring circuit
+	phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6);
+	//0x05 0x24C60A  ; 09318  ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized
+	phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A);
+    //0x06 0x06880C  ; 01A20  ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized
+	phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C);
+	//0x00 0xFDF1C0  ; 3F7C7  ; Calibration (6e). turn on IQ imbalance/Test mode
+	phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0);
+
+	hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed
+
+	// a. Disable AGC
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
+	reg_agc_ctrl3 &= ~BIT(2);
+	reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
+
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
+	val |= MASK_AGC_FIX_GAIN;
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
+
+	// b. set iqcal_mode[1:0] to 0x2 and set iqcal_tone[3:2] to 0
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
+
+	PHY_DEBUG(("[CAL]    MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
+	reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE);
+
+	// mode=2, tone=0
+	//reg_mode_ctrl |= (MASK_CALIB_START|2);
+
+	// mode=2, tone=1
+	//reg_mode_ctrl |= (MASK_CALIB_START|2|(1<<2));
+
+	// mode=2, tone=2
+	reg_mode_ctrl |= (MASK_CALIB_START|2|(2<<2));
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+	pa_stall_execution(US);
+
+	hw_get_dxx_reg(phw_data, 0x5C, &reg_dc_cancel);
+	PHY_DEBUG(("[CAL]    DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel));
+
+	for (loop = 0; loop < LOOP_TIMES; loop++)
+	{
+		PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop));
+
+		// c.
+		// reset cancel_dc_i[9:5] and cancel_dc_q[4:0] in register DC_Cancel
+		reg_dc_cancel &= ~(0x03FF);
+		PHY_DEBUG(("[CAL]    DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
+		hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
+		pa_stall_execution(US);
+
+		hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
+		PHY_DEBUG(("[CAL]    CALIB_READ2 = 0x%08X\n", val));
+
+		iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
+		iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
+		sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
+		mag_0 = (s32) _sqrt(sqsum);
+		PHY_DEBUG(("[CAL]    mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
+				   mag_0, iqcal_image_i, iqcal_image_q));
+
+		// d.
+		reg_dc_cancel |= (1 << CANCEL_DC_I_SHIFT);
+		PHY_DEBUG(("[CAL]    DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
+		hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
+		pa_stall_execution(US);
+
+		hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
+		PHY_DEBUG(("[CAL]    CALIB_READ2 = 0x%08X\n", val));
+
+		iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
+		iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
+		sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
+		mag_1 = (s32) _sqrt(sqsum);
+		PHY_DEBUG(("[CAL]    mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
+				   mag_1, iqcal_image_i, iqcal_image_q));
+
+		// e. Calculate the correct DC offset cancellation value for I
+		if (mag_0 != mag_1)
+		{
+			fix_cancel_dc_i = (mag_0*10000) / (mag_0*10000 - mag_1*10000);
+		}
+		else
+		{
+			if (mag_0 == mag_1)
+			{
+				PHY_DEBUG(("[CAL]   ***** mag_0 = mag_1 !!\n"));
+			}
+
+			fix_cancel_dc_i = 0;
+		}
+
+		PHY_DEBUG(("[CAL]    ** fix_cancel_dc_i = %d (0x%04X)\n",
+				   fix_cancel_dc_i, _s32_to_s5(fix_cancel_dc_i)));
+
+		if ((abs(mag_1-mag_0)*6) > mag_0)
+		{
+			break;
+		}
+	}
+
+	if ( loop >= 19 )
+	   fix_cancel_dc_i = 0;
+
+	reg_dc_cancel &= ~(0x03FF);
+	reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_i) << CANCEL_DC_I_SHIFT);
+	hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
+	PHY_DEBUG(("[CAL]    DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
+
+	// g.
+	reg_mode_ctrl &= ~MASK_CALIB_START;
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+	pa_stall_execution(US);
+}
+
+///////////////////////////////////////////////////////
+void _txqdac_dc_offset_cacellation_winbond(hw_data_t *phw_data)
+{
+	u32     reg_agc_ctrl3;
+	u32     reg_mode_ctrl;
+	u32     reg_dc_cancel;
+	s32     iqcal_image_i;
+	s32     iqcal_image_q;
+	u32     sqsum;
+	s32     mag_0;
+	s32     mag_1;
+	s32     fix_cancel_dc_q = 0;
+	u32     val;
+	int     loop;
+
+	PHY_DEBUG(("[CAL] -> [3]_txqdac_dc_offset_cacellation()\n"));
+	//0x01 0xEE3FC2  ; 3B8FF  ; Calibration (6a). enable TX IQ calibration loop circuits
+	phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2);
+	//0x0B 0x1905D6  ; 06417  ; Calibration (6b). enable TX I/Q cal loop squaring circuit
+	phy_set_rf_data(phw_data, 11, (11<<24)|0x1901D6);
+	//0x05 0x24C60A  ; 09318  ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized
+	phy_set_rf_data(phw_data, 5, (5<<24)|0x24C48A);
+    //0x06 0x06880C  ; 01A20  ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized
+	phy_set_rf_data(phw_data, 6, (6<<24)|0x06890C);
+	//0x00 0xFDF1C0  ; 3F7C7  ; Calibration (6e). turn on IQ imbalance/Test mode
+	phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0);
+
+	hw_set_dxx_reg(phw_data, 0x58, 0x30303030); // IQ_Alpha Changed
+
+	// a. Disable AGC
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
+	reg_agc_ctrl3 &= ~BIT(2);
+	reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
+
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
+	val |= MASK_AGC_FIX_GAIN;
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
+
+	// a. set iqcal_mode[1:0] to 0x3 and set iqcal_tone[3:2] to 0
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
+
+	//reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE);
+	reg_mode_ctrl &= ~(MASK_IQCAL_MODE);
+	reg_mode_ctrl |= (MASK_CALIB_START|3);
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+	pa_stall_execution(US);
+
+	hw_get_dxx_reg(phw_data, 0x5C, &reg_dc_cancel);
+	PHY_DEBUG(("[CAL]    DC_CANCEL (read) = 0x%08X\n", reg_dc_cancel));
+
+	for (loop = 0; loop < LOOP_TIMES; loop++)
+	{
+		PHY_DEBUG(("[CAL] [%d.] ==================================\n", loop));
+
+		// b.
+		// reset cancel_dc_q[4:0] in register DC_Cancel
+		reg_dc_cancel &= ~(0x001F);
+		PHY_DEBUG(("[CAL]    DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
+		hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
+		pa_stall_execution(US);
+
+		hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
+		PHY_DEBUG(("[CAL]    CALIB_READ2 = 0x%08X\n", val));
+		pa_stall_execution(US);
+
+		iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
+		iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
+		sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
+		mag_0 = _sqrt(sqsum);
+		PHY_DEBUG(("[CAL]    mag_0=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
+				   mag_0, iqcal_image_i, iqcal_image_q));
+
+		// c.
+		reg_dc_cancel |= (1 << CANCEL_DC_Q_SHIFT);
+		PHY_DEBUG(("[CAL]    DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
+		hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
+		pa_stall_execution(US);
+
+		hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
+		PHY_DEBUG(("[CAL]    CALIB_READ2 = 0x%08X\n", val));
+		pa_stall_execution(US);
+
+		iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
+		iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
+		sqsum = iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q;
+		mag_1 = _sqrt(sqsum);
+		PHY_DEBUG(("[CAL]    mag_1=%d (iqcal_image_i=%d, iqcal_image_q=%d)\n",
+				   mag_1, iqcal_image_i, iqcal_image_q));
+
+		// d. Calculate the correct DC offset cancellation value for I
+		if (mag_0 != mag_1)
+		{
+			fix_cancel_dc_q = (mag_0*10000) / (mag_0*10000 - mag_1*10000);
+		}
+		else
+		{
+			if (mag_0 == mag_1)
+			{
+				PHY_DEBUG(("[CAL]   ***** mag_0 = mag_1 !!\n"));
+			}
+
+			fix_cancel_dc_q = 0;
+		}
+
+		PHY_DEBUG(("[CAL]    ** fix_cancel_dc_q = %d (0x%04X)\n",
+				   fix_cancel_dc_q, _s32_to_s5(fix_cancel_dc_q)));
+
+		if ((abs(mag_1-mag_0)*6) > mag_0)
+		{
+			break;
+		}
+	}
+
+	if ( loop >= 19 )
+	   fix_cancel_dc_q = 0;
+
+	reg_dc_cancel &= ~(0x001F);
+	reg_dc_cancel |= (_s32_to_s5(fix_cancel_dc_q) << CANCEL_DC_Q_SHIFT);
+	hw_set_dxx_reg(phw_data, 0x5C, reg_dc_cancel);
+	PHY_DEBUG(("[CAL]    DC_CANCEL (write) = 0x%08X\n", reg_dc_cancel));
+
+
+	// f.
+	reg_mode_ctrl &= ~MASK_CALIB_START;
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+	pa_stall_execution(US);
+}
+
+//20060612.1.a 20060718.1 Modify
+u8 _tx_iq_calibration_loop_winbond(hw_data_t *phw_data,
+						   s32 a_2_threshold,
+						   s32 b_2_threshold)
+{
+	u32     reg_mode_ctrl;
+	s32     iq_mag_0_tx;
+	s32     iqcal_tone_i0;
+	s32     iqcal_tone_q0;
+	s32     iqcal_tone_i;
+	s32     iqcal_tone_q;
+	u32     sqsum;
+	s32     rot_i_b;
+	s32     rot_q_b;
+	s32     tx_cal_flt_b[4];
+	s32     tx_cal[4];
+	s32     tx_cal_reg[4];
+	s32     a_2, b_2;
+	s32     sin_b, sin_2b;
+	s32     cos_b, cos_2b;
+	s32     divisor;
+	s32     temp1, temp2;
+	u32     val;
+	u16     loop;
+	s32     iqcal_tone_i_avg,iqcal_tone_q_avg;
+	u8      verify_count;
+	int capture_time;
+
+	PHY_DEBUG(("[CAL] -> _tx_iq_calibration_loop()\n"));
+	PHY_DEBUG(("[CAL]    ** a_2_threshold = %d\n", a_2_threshold));
+	PHY_DEBUG(("[CAL]    ** b_2_threshold = %d\n", b_2_threshold));
+
+	verify_count = 0;
+
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
+
+	loop = LOOP_TIMES;
+
+	while (loop > 0)
+	{
+		PHY_DEBUG(("[CAL] [%d.] <_tx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1)));
+
+		iqcal_tone_i_avg=0;
+		iqcal_tone_q_avg=0;
+		if( !hw_set_dxx_reg(phw_data, 0x3C, 0x00) ) // 20060718.1 modify
+			return 0;
+		for(capture_time=0;capture_time<10;capture_time++)
+		{
+			// a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to
+			//    enable "IQ alibration Mode II"
+			reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE);
+			reg_mode_ctrl &= ~MASK_IQCAL_MODE;
+			reg_mode_ctrl |= (MASK_CALIB_START|0x02);
+			reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2);
+			hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+			PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+			pa_stall_execution(US);
+
+			// b.
+			hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
+			PHY_DEBUG(("[CAL]    CALIB_READ1 = 0x%08X\n", val));
+			pa_stall_execution(US);
+
+			iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF);
+			iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13);
+			PHY_DEBUG(("[CAL]    ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n",
+				   iqcal_tone_i0, iqcal_tone_q0));
+
+			sqsum = iqcal_tone_i0*iqcal_tone_i0 +
+			iqcal_tone_q0*iqcal_tone_q0;
+			iq_mag_0_tx = (s32) _sqrt(sqsum);
+			PHY_DEBUG(("[CAL]    ** iq_mag_0_tx=%d\n", iq_mag_0_tx));
+
+			// c. Set "calib_start" to 0x0
+			reg_mode_ctrl &= ~MASK_CALIB_START;
+			hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+			PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+			pa_stall_execution(US);
+
+			// d. Set iqcal_mode[1:0] to 0x3 and set "calib_start" to 0x1 to
+			//    enable "IQ alibration Mode II"
+			//hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &val);
+			hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
+			reg_mode_ctrl &= ~MASK_IQCAL_MODE;
+			reg_mode_ctrl |= (MASK_CALIB_START|0x03);
+			hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+			PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+			pa_stall_execution(US);
+
+			// e.
+			hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
+			PHY_DEBUG(("[CAL]    CALIB_READ1 = 0x%08X\n", val));
+			pa_stall_execution(US);
+
+			iqcal_tone_i = _s13_to_s32(val & 0x00001FFF);
+			iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13);
+			PHY_DEBUG(("[CAL]    ** iqcal_tone_i = %d, iqcal_tone_q = %d\n",
+			iqcal_tone_i, iqcal_tone_q));
+			if( capture_time == 0)
+			{
+				continue;
+			}
+			else
+			{
+				iqcal_tone_i_avg=( iqcal_tone_i_avg*(capture_time-1) +iqcal_tone_i)/capture_time;
+				iqcal_tone_q_avg=( iqcal_tone_q_avg*(capture_time-1) +iqcal_tone_q)/capture_time;
+			}
+		}
+
+		iqcal_tone_i = iqcal_tone_i_avg;
+		iqcal_tone_q = iqcal_tone_q_avg;
+
+
+		rot_i_b = (iqcal_tone_i * iqcal_tone_i0 +
+				   iqcal_tone_q * iqcal_tone_q0) / 1024;
+		rot_q_b = (iqcal_tone_i * iqcal_tone_q0 * (-1) +
+				   iqcal_tone_q * iqcal_tone_i0) / 1024;
+		PHY_DEBUG(("[CAL]    ** rot_i_b = %d, rot_q_b = %d\n",
+				   rot_i_b, rot_q_b));
+
+		// f.
+		divisor = ((iq_mag_0_tx * iq_mag_0_tx * 2)/1024 - rot_i_b) * 2;
+
+		if (divisor == 0)
+		{
+			PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n"));
+			PHY_DEBUG(("[CAL] ** divisor=0 to calculate EPS and THETA !!\n"));
+			PHY_DEBUG(("[CAL] ******************************************\n"));
+			break;
+		}
+
+		a_2 = (rot_i_b * 32768) / divisor;
+		b_2 = (rot_q_b * (-32768)) / divisor;
+		PHY_DEBUG(("[CAL]    ***** EPSILON/2 = %d\n", a_2));
+		PHY_DEBUG(("[CAL]    ***** THETA/2   = %d\n", b_2));
+
+		phw_data->iq_rsdl_gain_tx_d2 = a_2;
+		phw_data->iq_rsdl_phase_tx_d2 = b_2;
+
+		//if ((abs(a_2) < 150) && (abs(b_2) < 100))
+		//if ((abs(a_2) < 200) && (abs(b_2) < 200))
+		if ((abs(a_2) < a_2_threshold) && (abs(b_2) < b_2_threshold))
+		{
+			verify_count++;
+
+			PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n"));
+			PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count));
+			PHY_DEBUG(("[CAL] ******************************************\n"));
+
+			if (verify_count > 2)
+			{
+				PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n"));
+				PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION (EPS,THETA) OK !!\n"));
+				PHY_DEBUG(("[CAL] **************************************\n"));
+				return 0;
+			}
+
+			continue;
+		}
+		else
+		{
+			verify_count = 0;
+		}
+
+		_sin_cos(b_2, &sin_b, &cos_b);
+		_sin_cos(b_2*2, &sin_2b, &cos_2b);
+		PHY_DEBUG(("[CAL]    ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b));
+		PHY_DEBUG(("[CAL]    ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b));
+
+		if (cos_2b == 0)
+		{
+			PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> ERROR *******\n"));
+			PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n"));
+			PHY_DEBUG(("[CAL] ******************************************\n"));
+			break;
+		}
+
+		// 1280 * 32768 = 41943040
+		temp1 = (41943040/cos_2b)*cos_b;
+
+		//temp2 = (41943040/cos_2b)*sin_b*(-1);
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			temp2 = (41943040/cos_2b)*sin_b*(-1);
+		}
+		else // 2nd-cut
+		{
+			temp2 = (41943040*4/cos_2b)*sin_b*(-1);
+		}
+
+		tx_cal_flt_b[0] = _floor(temp1/(32768+a_2));
+		tx_cal_flt_b[1] = _floor(temp2/(32768+a_2));
+		tx_cal_flt_b[2] = _floor(temp2/(32768-a_2));
+		tx_cal_flt_b[3] = _floor(temp1/(32768-a_2));
+		PHY_DEBUG(("[CAL]    ** tx_cal_flt_b[0] = %d\n", tx_cal_flt_b[0]));
+		PHY_DEBUG(("[CAL]       tx_cal_flt_b[1] = %d\n", tx_cal_flt_b[1]));
+		PHY_DEBUG(("[CAL]       tx_cal_flt_b[2] = %d\n", tx_cal_flt_b[2]));
+		PHY_DEBUG(("[CAL]       tx_cal_flt_b[3] = %d\n", tx_cal_flt_b[3]));
+
+		tx_cal[2] = tx_cal_flt_b[2];
+		tx_cal[2] = tx_cal[2] +3;
+		tx_cal[1] = tx_cal[2];
+		tx_cal[3] = tx_cal_flt_b[3] - 128;
+		tx_cal[0] = -tx_cal[3]+1;
+
+		PHY_DEBUG(("[CAL]       tx_cal[0] = %d\n", tx_cal[0]));
+		PHY_DEBUG(("[CAL]       tx_cal[1] = %d\n", tx_cal[1]));
+		PHY_DEBUG(("[CAL]       tx_cal[2] = %d\n", tx_cal[2]));
+		PHY_DEBUG(("[CAL]       tx_cal[3] = %d\n", tx_cal[3]));
+
+		//if ((tx_cal[0] == 0) && (tx_cal[1] == 0) &&
+		//    (tx_cal[2] == 0) && (tx_cal[3] == 0))
+		//{
+		//    PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *************\n"));
+		//    PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION COMPLETE !!\n"));
+		//    PHY_DEBUG(("[CAL] ******************************************\n"));
+		//    return 0;
+		//}
+
+		// g.
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			hw_get_dxx_reg(phw_data, 0x54, &val);
+			PHY_DEBUG(("[CAL]    ** 0x54 = 0x%08X\n", val));
+			tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28);
+			tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24);
+			tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20);
+			tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16);
+		}
+		else // 2nd-cut
+		{
+			hw_get_dxx_reg(phw_data, 0x3C, &val);
+			PHY_DEBUG(("[CAL]    ** 0x3C = 0x%08X\n", val));
+			tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
+			tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
+			tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
+			tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
+
+		}
+
+		PHY_DEBUG(("[CAL]    ** tx_cal_reg[0] = %d\n", tx_cal_reg[0]));
+		PHY_DEBUG(("[CAL]       tx_cal_reg[1] = %d\n", tx_cal_reg[1]));
+		PHY_DEBUG(("[CAL]       tx_cal_reg[2] = %d\n", tx_cal_reg[2]));
+		PHY_DEBUG(("[CAL]       tx_cal_reg[3] = %d\n", tx_cal_reg[3]));
+
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			if (((tx_cal_reg[0]==7) || (tx_cal_reg[0]==(-8))) &&
+				((tx_cal_reg[3]==7) || (tx_cal_reg[3]==(-8))))
+			{
+				PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n"));
+				PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n"));
+				PHY_DEBUG(("[CAL] **************************************\n"));
+				break;
+			}
+		}
+		else // 2nd-cut
+		{
+			if (((tx_cal_reg[0]==31) || (tx_cal_reg[0]==(-32))) &&
+				((tx_cal_reg[3]==31) || (tx_cal_reg[3]==(-32))))
+			{
+				PHY_DEBUG(("[CAL] ** <_tx_iq_calibration_loop> *********\n"));
+				PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION SATUATION !!\n"));
+				PHY_DEBUG(("[CAL] **************************************\n"));
+				break;
+			}
+		}
+
+		tx_cal[0] = tx_cal[0] + tx_cal_reg[0];
+		tx_cal[1] = tx_cal[1] + tx_cal_reg[1];
+		tx_cal[2] = tx_cal[2] + tx_cal_reg[2];
+		tx_cal[3] = tx_cal[3] + tx_cal_reg[3];
+		PHY_DEBUG(("[CAL]    ** apply tx_cal[0] = %d\n", tx_cal[0]));
+		PHY_DEBUG(("[CAL]       apply tx_cal[1] = %d\n", tx_cal[1]));
+		PHY_DEBUG(("[CAL]       apply tx_cal[2] = %d\n", tx_cal[2]));
+		PHY_DEBUG(("[CAL]       apply tx_cal[3] = %d\n", tx_cal[3]));
+
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			val &= 0x0000FFFF;
+			val |= ((_s32_to_s4(tx_cal[0]) << 28)|
+					(_s32_to_s4(tx_cal[1]) << 24)|
+					(_s32_to_s4(tx_cal[2]) << 20)|
+					(_s32_to_s4(tx_cal[3]) << 16));
+			hw_set_dxx_reg(phw_data, 0x54, val);
+			PHY_DEBUG(("[CAL]    ** CALIB_DATA = 0x%08X\n", val));
+			return 0;
+		}
+		else // 2nd-cut
+		{
+			val &= 0x000003FF;
+			val |= ((_s32_to_s5(tx_cal[0]) << 27)|
+					(_s32_to_s6(tx_cal[1]) << 21)|
+					(_s32_to_s6(tx_cal[2]) << 15)|
+					(_s32_to_s5(tx_cal[3]) << 10));
+			hw_set_dxx_reg(phw_data, 0x3C, val);
+			PHY_DEBUG(("[CAL]    ** TX_IQ_CALIBRATION = 0x%08X\n", val));
+			return 0;
+		}
+
+		// i. Set "calib_start" to 0x0
+		reg_mode_ctrl &= ~MASK_CALIB_START;
+		hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+		PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+
+		loop--;
+	}
+
+	return 1;
+}
+
+void _tx_iq_calibration_winbond(hw_data_t *phw_data)
+{
+	u32     reg_agc_ctrl3;
+#ifdef _DEBUG
+	s32     tx_cal_reg[4];
+
+#endif
+	u32     reg_mode_ctrl;
+	u32     val;
+	u8      result;
+
+	PHY_DEBUG(("[CAL] -> [4]_tx_iq_calibration()\n"));
+
+	//0x01 0xEE3FC2  ; 3B8FF  ; Calibration (6a). enable TX IQ calibration loop circuits
+	phy_set_rf_data(phw_data, 1, (1<<24)|0xEE3FC2);
+	//0x0B 0x1905D6  ; 06417  ; Calibration (6b). enable TX I/Q cal loop squaring circuit
+	phy_set_rf_data(phw_data, 11, (11<<24)|0x19BDD6); // 20060612.1.a 0x1905D6);
+	//0x05 0x24C60A  ; 09318  ; Calibration (6c). setting TX-VGA gain: TXGCH=2 & GPK=110 --> to be optimized
+	phy_set_rf_data(phw_data, 5, (5<<24)|0x24C60A); //0x24C60A (high temperature)
+    //0x06 0x06880C  ; 01A20  ; Calibration (6d). RXGCH=00; RXGCL=100 000 (RXVGA=32) --> to be optimized
+	phy_set_rf_data(phw_data, 6, (6<<24)|0x34880C); // 20060612.1.a 0x06890C);
+	//0x00 0xFDF1C0  ; 3F7C7  ; Calibration (6e). turn on IQ imbalance/Test mode
+	phy_set_rf_data(phw_data, 0, (0<<24)|0xFDF1C0);
+	//; [BB-chip]: Calibration (6f).Send test pattern
+	//; [BB-chip]: Calibration (6g). Search RXGCL optimal value
+	//; [BB-chip]: Calibration (6h). Caculate TX-path IQ imbalance and setting TX path IQ compensation table
+	//phy_set_rf_data(phw_data, 3, (3<<24)|0x025586);
+
+	OS_SLEEP(30000); // 20060612.1.a 30ms delay. Add the follow 2 lines
+	//To adjust TXVGA to fit iq_mag_0 range from 1250 ~ 1750
+	adjust_TXVGA_for_iq_mag( phw_data );
+
+	// a. Disable AGC
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &reg_agc_ctrl3);
+	reg_agc_ctrl3 &= ~BIT(2);
+	reg_agc_ctrl3 |= (MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
+
+	hw_get_dxx_reg(phw_data, REG_AGC_CTRL5, &val);
+	val |= MASK_AGC_FIX_GAIN;
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL5, val);
+
+	result = _tx_iq_calibration_loop_winbond(phw_data, 150, 100);
+
+	if (result > 0)
+	{
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			hw_get_dxx_reg(phw_data, 0x54, &val);
+			val &= 0x0000FFFF;
+			hw_set_dxx_reg(phw_data, 0x54, val);
+		}
+		else // 2nd-cut
+		{
+			hw_get_dxx_reg(phw_data, 0x3C, &val);
+			val &= 0x000003FF;
+			hw_set_dxx_reg(phw_data, 0x3C, val);
+		}
+
+		result = _tx_iq_calibration_loop_winbond(phw_data, 300, 200);
+
+		if (result > 0)
+		{
+			if (phw_data->revision == 0x2002) // 1st-cut
+			{
+				hw_get_dxx_reg(phw_data, 0x54, &val);
+				val &= 0x0000FFFF;
+				hw_set_dxx_reg(phw_data, 0x54, val);
+			}
+			else // 2nd-cut
+			{
+				hw_get_dxx_reg(phw_data, 0x3C, &val);
+				val &= 0x000003FF;
+				hw_set_dxx_reg(phw_data, 0x3C, val);
+			}
+
+			result = _tx_iq_calibration_loop_winbond(phw_data, 500, 400);
+			if (result > 0)
+			{
+				if (phw_data->revision == 0x2002) // 1st-cut
+				{
+					hw_get_dxx_reg(phw_data, 0x54, &val);
+					val &= 0x0000FFFF;
+					hw_set_dxx_reg(phw_data, 0x54, val);
+				}
+				else // 2nd-cut
+				{
+					hw_get_dxx_reg(phw_data, 0x3C, &val);
+					val &= 0x000003FF;
+					hw_set_dxx_reg(phw_data, 0x3C, val);
+				}
+
+
+				result = _tx_iq_calibration_loop_winbond(phw_data, 700, 500);
+
+				if (result > 0)
+				{
+					PHY_DEBUG(("[CAL] ** <_tx_iq_calibration> **************\n"));
+					PHY_DEBUG(("[CAL] ** TX_IQ_CALIBRATION FAILURE !!\n"));
+					PHY_DEBUG(("[CAL] **************************************\n"));
+
+					if (phw_data->revision == 0x2002) // 1st-cut
+					{
+						hw_get_dxx_reg(phw_data, 0x54, &val);
+						val &= 0x0000FFFF;
+						hw_set_dxx_reg(phw_data, 0x54, val);
+					}
+					else // 2nd-cut
+					{
+						hw_get_dxx_reg(phw_data, 0x3C, &val);
+						val &= 0x000003FF;
+						hw_set_dxx_reg(phw_data, 0x3C, val);
+					}
+				}
+			}
+		}
+	}
+
+	// i. Set "calib_start" to 0x0
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
+	reg_mode_ctrl &= ~MASK_CALIB_START;
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+
+	// g. Enable AGC
+	//hw_get_dxx_reg(phw_data, REG_AGC_CTRL3, &val);
+	reg_agc_ctrl3 |= BIT(2);
+	reg_agc_ctrl3 &= ~(MASK_LNA_FIX_GAIN|MASK_AGC_FIX);
+	hw_set_dxx_reg(phw_data, REG_AGC_CTRL3, reg_agc_ctrl3);
+
+#ifdef _DEBUG
+	if (phw_data->revision == 0x2002) // 1st-cut
+	{
+		hw_get_dxx_reg(phw_data, 0x54, &val);
+		PHY_DEBUG(("[CAL]    ** 0x54 = 0x%08X\n", val));
+		tx_cal_reg[0] = _s4_to_s32((val & 0xF0000000) >> 28);
+		tx_cal_reg[1] = _s4_to_s32((val & 0x0F000000) >> 24);
+		tx_cal_reg[2] = _s4_to_s32((val & 0x00F00000) >> 20);
+		tx_cal_reg[3] = _s4_to_s32((val & 0x000F0000) >> 16);
+	}
+	else // 2nd-cut
+	{
+		hw_get_dxx_reg(phw_data, 0x3C, &val);
+		PHY_DEBUG(("[CAL]    ** 0x3C = 0x%08X\n", val));
+		tx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
+		tx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
+		tx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
+		tx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
+
+	}
+
+	PHY_DEBUG(("[CAL]    ** tx_cal_reg[0] = %d\n", tx_cal_reg[0]));
+	PHY_DEBUG(("[CAL]       tx_cal_reg[1] = %d\n", tx_cal_reg[1]));
+	PHY_DEBUG(("[CAL]       tx_cal_reg[2] = %d\n", tx_cal_reg[2]));
+	PHY_DEBUG(("[CAL]       tx_cal_reg[3] = %d\n", tx_cal_reg[3]));
+#endif
+
+
+	// for test - BEN
+	// RF Control Override
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+u8 _rx_iq_calibration_loop_winbond(hw_data_t *phw_data, u16 factor, u32 frequency)
+{
+	u32     reg_mode_ctrl;
+	s32     iqcal_tone_i;
+	s32     iqcal_tone_q;
+	s32     iqcal_image_i;
+	s32     iqcal_image_q;
+	s32     rot_tone_i_b;
+	s32     rot_tone_q_b;
+	s32     rot_image_i_b;
+	s32     rot_image_q_b;
+	s32     rx_cal_flt_b[4];
+	s32     rx_cal[4];
+	s32     rx_cal_reg[4];
+	s32     a_2, b_2;
+	s32     sin_b, sin_2b;
+	s32     cos_b, cos_2b;
+	s32     temp1, temp2;
+	u32     val;
+	u16     loop;
+
+	u32     pwr_tone;
+	u32     pwr_image;
+	u8      verify_count;
+
+	s32     iqcal_tone_i_avg,iqcal_tone_q_avg;
+	s32     iqcal_image_i_avg,iqcal_image_q_avg;
+	u16		capture_time;
+
+	PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration_loop()\n"));
+	PHY_DEBUG(("[CAL] ** factor = %d\n", factor));
+
+
+// RF Control Override
+	hw_get_cxx_reg(phw_data, 0x80, &val);
+	val |= BIT(19);
+	hw_set_cxx_reg(phw_data, 0x80, val);
+
+// RF_Ctrl
+	hw_get_cxx_reg(phw_data, 0xE4, &val);
+	val |= BIT(0);
+	hw_set_cxx_reg(phw_data, 0xE4, val);
+	PHY_DEBUG(("[CAL] ** RF_CTRL(0xE4) = 0x%08X", val));
+
+	hw_set_dxx_reg(phw_data, 0x58, 0x44444444); // IQ_Alpha
+
+	// b.
+
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
+
+	verify_count = 0;
+
+	//for (loop = 0; loop < 1; loop++)
+	//for (loop = 0; loop < LOOP_TIMES; loop++)
+	loop = LOOP_TIMES;
+	while (loop > 0)
+	{
+		PHY_DEBUG(("[CAL] [%d.] <_rx_iq_calibration_loop>\n", (LOOP_TIMES-loop+1)));
+		iqcal_tone_i_avg=0;
+		iqcal_tone_q_avg=0;
+		iqcal_image_i_avg=0;
+		iqcal_image_q_avg=0;
+		capture_time=0;
+
+		for(capture_time=0; capture_time<10; capture_time++)
+		{
+		// i. Set "calib_start" to 0x0
+		reg_mode_ctrl &= ~MASK_CALIB_START;
+		if( !hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl) )//20060718.1 modify
+			return 0;
+		PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+		pa_stall_execution(US);
+
+		reg_mode_ctrl &= ~MASK_IQCAL_MODE;
+		reg_mode_ctrl |= (MASK_CALIB_START|0x1);
+		hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+		PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+		pa_stall_execution(US);  //Should be read out after 450us
+
+		// c.
+		hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
+		PHY_DEBUG(("[CAL]    CALIB_READ1 = 0x%08X\n", val));
+
+		iqcal_tone_i = _s13_to_s32(val & 0x00001FFF);
+		iqcal_tone_q = _s13_to_s32((val & 0x03FFE000) >> 13);
+		PHY_DEBUG(("[CAL]    ** iqcal_tone_i = %d, iqcal_tone_q = %d\n",
+				   iqcal_tone_i, iqcal_tone_q));
+
+		hw_get_dxx_reg(phw_data, REG_CALIB_READ2, &val);
+		PHY_DEBUG(("[CAL]    CALIB_READ2 = 0x%08X\n", val));
+
+		iqcal_image_i = _s13_to_s32(val & 0x00001FFF);
+		iqcal_image_q = _s13_to_s32((val & 0x03FFE000) >> 13);
+		PHY_DEBUG(("[CAL]    ** iqcal_image_i = %d, iqcal_image_q = %d\n",
+				   iqcal_image_i, iqcal_image_q));
+			if( capture_time == 0)
+			{
+				continue;
+			}
+			else
+			{
+				iqcal_image_i_avg=( iqcal_image_i_avg*(capture_time-1) +iqcal_image_i)/capture_time;
+				iqcal_image_q_avg=( iqcal_image_q_avg*(capture_time-1) +iqcal_image_q)/capture_time;
+				iqcal_tone_i_avg=( iqcal_tone_i_avg*(capture_time-1) +iqcal_tone_i)/capture_time;
+				iqcal_tone_q_avg=( iqcal_tone_q_avg*(capture_time-1) +iqcal_tone_q)/capture_time;
+			}
+		}
+
+
+		iqcal_image_i = iqcal_image_i_avg;
+		iqcal_image_q = iqcal_image_q_avg;
+		iqcal_tone_i = iqcal_tone_i_avg;
+		iqcal_tone_q = iqcal_tone_q_avg;
+
+		// d.
+		rot_tone_i_b = (iqcal_tone_i * iqcal_tone_i +
+						iqcal_tone_q * iqcal_tone_q) / 1024;
+		rot_tone_q_b = (iqcal_tone_i * iqcal_tone_q * (-1) +
+						iqcal_tone_q * iqcal_tone_i) / 1024;
+		rot_image_i_b = (iqcal_image_i * iqcal_tone_i -
+						 iqcal_image_q * iqcal_tone_q) / 1024;
+		rot_image_q_b = (iqcal_image_i * iqcal_tone_q +
+						 iqcal_image_q * iqcal_tone_i) / 1024;
+
+		PHY_DEBUG(("[CAL]    ** rot_tone_i_b  = %d\n", rot_tone_i_b));
+		PHY_DEBUG(("[CAL]    ** rot_tone_q_b  = %d\n", rot_tone_q_b));
+		PHY_DEBUG(("[CAL]    ** rot_image_i_b = %d\n", rot_image_i_b));
+		PHY_DEBUG(("[CAL]    ** rot_image_q_b = %d\n", rot_image_q_b));
+
+		// f.
+		if (rot_tone_i_b == 0)
+		{
+			PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n"));
+			PHY_DEBUG(("[CAL] ** rot_tone_i_b=0 to calculate EPS and THETA !!\n"));
+			PHY_DEBUG(("[CAL] ******************************************\n"));
+			break;
+		}
+
+		a_2 = (rot_image_i_b * 32768) / rot_tone_i_b -
+			phw_data->iq_rsdl_gain_tx_d2;
+		b_2 = (rot_image_q_b * 32768) / rot_tone_i_b -
+			phw_data->iq_rsdl_phase_tx_d2;
+
+		PHY_DEBUG(("[CAL]    ** iq_rsdl_gain_tx_d2 = %d\n", phw_data->iq_rsdl_gain_tx_d2));
+		PHY_DEBUG(("[CAL]    ** iq_rsdl_phase_tx_d2= %d\n", phw_data->iq_rsdl_phase_tx_d2));
+		PHY_DEBUG(("[CAL]    ***** EPSILON/2 = %d\n", a_2));
+		PHY_DEBUG(("[CAL]    ***** THETA/2   = %d\n", b_2));
+
+		_sin_cos(b_2, &sin_b, &cos_b);
+		_sin_cos(b_2*2, &sin_2b, &cos_2b);
+		PHY_DEBUG(("[CAL]    ** sin(b/2)=%d, cos(b/2)=%d\n", sin_b, cos_b));
+		PHY_DEBUG(("[CAL]    ** sin(b)=%d, cos(b)=%d\n", sin_2b, cos_2b));
+
+		if (cos_2b == 0)
+		{
+			PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> ERROR *******\n"));
+			PHY_DEBUG(("[CAL] ** cos(b)=0 !!\n"));
+			PHY_DEBUG(("[CAL] ******************************************\n"));
+			break;
+		}
+
+		// 1280 * 32768 = 41943040
+		temp1 = (41943040/cos_2b)*cos_b;
+
+		//temp2 = (41943040/cos_2b)*sin_b*(-1);
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			temp2 = (41943040/cos_2b)*sin_b*(-1);
+		}
+		else // 2nd-cut
+		{
+			temp2 = (41943040*4/cos_2b)*sin_b*(-1);
+		}
+
+		rx_cal_flt_b[0] = _floor(temp1/(32768+a_2));
+		rx_cal_flt_b[1] = _floor(temp2/(32768-a_2));
+		rx_cal_flt_b[2] = _floor(temp2/(32768+a_2));
+		rx_cal_flt_b[3] = _floor(temp1/(32768-a_2));
+
+		PHY_DEBUG(("[CAL]    ** rx_cal_flt_b[0] = %d\n", rx_cal_flt_b[0]));
+		PHY_DEBUG(("[CAL]       rx_cal_flt_b[1] = %d\n", rx_cal_flt_b[1]));
+		PHY_DEBUG(("[CAL]       rx_cal_flt_b[2] = %d\n", rx_cal_flt_b[2]));
+		PHY_DEBUG(("[CAL]       rx_cal_flt_b[3] = %d\n", rx_cal_flt_b[3]));
+
+		rx_cal[0] = rx_cal_flt_b[0] - 128;
+		rx_cal[1] = rx_cal_flt_b[1];
+		rx_cal[2] = rx_cal_flt_b[2];
+		rx_cal[3] = rx_cal_flt_b[3] - 128;
+		PHY_DEBUG(("[CAL]    ** rx_cal[0] = %d\n", rx_cal[0]));
+		PHY_DEBUG(("[CAL]       rx_cal[1] = %d\n", rx_cal[1]));
+		PHY_DEBUG(("[CAL]       rx_cal[2] = %d\n", rx_cal[2]));
+		PHY_DEBUG(("[CAL]       rx_cal[3] = %d\n", rx_cal[3]));
+
+		// e.
+		pwr_tone = (iqcal_tone_i*iqcal_tone_i + iqcal_tone_q*iqcal_tone_q);
+		pwr_image = (iqcal_image_i*iqcal_image_i + iqcal_image_q*iqcal_image_q)*factor;
+
+		PHY_DEBUG(("[CAL]    ** pwr_tone  = %d\n", pwr_tone));
+		PHY_DEBUG(("[CAL]    ** pwr_image  = %d\n", pwr_image));
+
+		if (pwr_tone > pwr_image)
+		{
+			verify_count++;
+
+			PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *************\n"));
+			PHY_DEBUG(("[CAL] ** VERIFY OK # %d !!\n", verify_count));
+			PHY_DEBUG(("[CAL] ******************************************\n"));
+
+			if (verify_count > 2)
+			{
+				PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n"));
+				PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION OK !!\n"));
+				PHY_DEBUG(("[CAL] **************************************\n"));
+				return 0;
+			}
+
+			continue;
+		}
+		// g.
+		hw_get_dxx_reg(phw_data, 0x54, &val);
+		PHY_DEBUG(("[CAL]    ** 0x54 = 0x%08X\n", val));
+
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12);
+			rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >>  8);
+			rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >>  4);
+			rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F));
+		}
+		else // 2nd-cut
+		{
+			rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
+			rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
+			rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
+			rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
+		}
+
+		PHY_DEBUG(("[CAL]    ** rx_cal_reg[0] = %d\n", rx_cal_reg[0]));
+		PHY_DEBUG(("[CAL]       rx_cal_reg[1] = %d\n", rx_cal_reg[1]));
+		PHY_DEBUG(("[CAL]       rx_cal_reg[2] = %d\n", rx_cal_reg[2]));
+		PHY_DEBUG(("[CAL]       rx_cal_reg[3] = %d\n", rx_cal_reg[3]));
+
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			if (((rx_cal_reg[0]==7) || (rx_cal_reg[0]==(-8))) &&
+				((rx_cal_reg[3]==7) || (rx_cal_reg[3]==(-8))))
+			{
+				PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n"));
+				PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n"));
+				PHY_DEBUG(("[CAL] **************************************\n"));
+				break;
+			}
+		}
+		else // 2nd-cut
+		{
+			if (((rx_cal_reg[0]==31) || (rx_cal_reg[0]==(-32))) &&
+				((rx_cal_reg[3]==31) || (rx_cal_reg[3]==(-32))))
+			{
+				PHY_DEBUG(("[CAL] ** <_rx_iq_calibration_loop> *********\n"));
+				PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION SATUATION !!\n"));
+				PHY_DEBUG(("[CAL] **************************************\n"));
+				break;
+			}
+		}
+
+		rx_cal[0] = rx_cal[0] + rx_cal_reg[0];
+		rx_cal[1] = rx_cal[1] + rx_cal_reg[1];
+		rx_cal[2] = rx_cal[2] + rx_cal_reg[2];
+		rx_cal[3] = rx_cal[3] + rx_cal_reg[3];
+		PHY_DEBUG(("[CAL]    ** apply rx_cal[0] = %d\n", rx_cal[0]));
+		PHY_DEBUG(("[CAL]       apply rx_cal[1] = %d\n", rx_cal[1]));
+		PHY_DEBUG(("[CAL]       apply rx_cal[2] = %d\n", rx_cal[2]));
+		PHY_DEBUG(("[CAL]       apply rx_cal[3] = %d\n", rx_cal[3]));
+
+		hw_get_dxx_reg(phw_data, 0x54, &val);
+		if (phw_data->revision == 0x2002) // 1st-cut
+		{
+			val &= 0x0000FFFF;
+			val |= ((_s32_to_s4(rx_cal[0]) << 12)|
+					(_s32_to_s4(rx_cal[1]) <<  8)|
+					(_s32_to_s4(rx_cal[2]) <<  4)|
+					(_s32_to_s4(rx_cal[3])));
+			hw_set_dxx_reg(phw_data, 0x54, val);
+		}
+		else // 2nd-cut
+		{
+			val &= 0x000003FF;
+			val |= ((_s32_to_s5(rx_cal[0]) << 27)|
+					(_s32_to_s6(rx_cal[1]) << 21)|
+					(_s32_to_s6(rx_cal[2]) << 15)|
+					(_s32_to_s5(rx_cal[3]) << 10));
+			hw_set_dxx_reg(phw_data, 0x54, val);
+
+			if( loop == 3 )
+			return 0;
+		}
+		PHY_DEBUG(("[CAL]    ** CALIB_DATA = 0x%08X\n", val));
+
+		loop--;
+	}
+
+	return 1;
+}
+
+//////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////
+void _rx_iq_calibration_winbond(hw_data_t *phw_data, u32 frequency)
+{
+// figo 20050523 marked thsi flag for can't compile for relesase
+#ifdef _DEBUG
+	s32     rx_cal_reg[4];
+	u32     val;
+#endif
+
+	u8      result;
+
+	PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration()\n"));
+// a. Set RFIC to "RX calibration mode"
+	//; ----- Calibration (7). RX path IQ imbalance calibration loop
+	//	0x01 0xFFBFC2  ; 3FEFF  ; Calibration (7a). enable RX IQ calibration loop circuits
+	phy_set_rf_data(phw_data, 1, (1<<24)|0xEFBFC2);
+	//	0x0B 0x1A01D6  ; 06817  ; Calibration (7b). enable RX I/Q cal loop SW1 circuit
+	phy_set_rf_data(phw_data, 11, (11<<24)|0x1A05D6);
+	//0x05 0x24848A  ; 09212  ; Calibration (7c). setting TX-VGA gain (TXGCH) to 2 --> to be optimized
+	phy_set_rf_data(phw_data, 5, (5<<24)| phw_data->txvga_setting_for_cal);
+	//0x06 0x06840C  ; 01A10  ; Calibration (7d). RXGCH=00; RXGCL=010 000 (RXVGA) --> to be optimized
+	phy_set_rf_data(phw_data, 6, (6<<24)|0x06834C);
+	//0x00 0xFFF1C0  ; 3F7C7  ; Calibration (7e). turn on IQ imbalance/Test mode
+	phy_set_rf_data(phw_data, 0, (0<<24)|0xFFF1C0);
+
+	//  ; [BB-chip]: Calibration (7f). Send test pattern
+	//	; [BB-chip]: Calibration (7g). Search RXGCL optimal value
+	//	; [BB-chip]: Calibration (7h). Caculate RX-path IQ imbalance and setting RX path IQ compensation table
+
+	result = _rx_iq_calibration_loop_winbond(phw_data, 12589, frequency);
+
+	if (result > 0)
+	{
+		_reset_rx_cal(phw_data);
+		result = _rx_iq_calibration_loop_winbond(phw_data, 7943, frequency);
+
+		if (result > 0)
+		{
+			_reset_rx_cal(phw_data);
+			result = _rx_iq_calibration_loop_winbond(phw_data, 5011, frequency);
+
+			if (result > 0)
+			{
+				PHY_DEBUG(("[CAL] ** <_rx_iq_calibration> **************\n"));
+				PHY_DEBUG(("[CAL] ** RX_IQ_CALIBRATION FAILURE !!\n"));
+				PHY_DEBUG(("[CAL] **************************************\n"));
+				_reset_rx_cal(phw_data);
+			}
+		}
+	}
+
+#ifdef _DEBUG
+	hw_get_dxx_reg(phw_data, 0x54, &val);
+	PHY_DEBUG(("[CAL]    ** 0x54 = 0x%08X\n", val));
+
+	if (phw_data->revision == 0x2002) // 1st-cut
+	{
+		rx_cal_reg[0] = _s4_to_s32((val & 0x0000F000) >> 12);
+		rx_cal_reg[1] = _s4_to_s32((val & 0x00000F00) >>  8);
+		rx_cal_reg[2] = _s4_to_s32((val & 0x000000F0) >>  4);
+		rx_cal_reg[3] = _s4_to_s32((val & 0x0000000F));
+	}
+	else // 2nd-cut
+	{
+		rx_cal_reg[0] = _s5_to_s32((val & 0xF8000000) >> 27);
+		rx_cal_reg[1] = _s6_to_s32((val & 0x07E00000) >> 21);
+		rx_cal_reg[2] = _s6_to_s32((val & 0x001F8000) >> 15);
+		rx_cal_reg[3] = _s5_to_s32((val & 0x00007C00) >> 10);
+	}
+
+	PHY_DEBUG(("[CAL]    ** rx_cal_reg[0] = %d\n", rx_cal_reg[0]));
+	PHY_DEBUG(("[CAL]       rx_cal_reg[1] = %d\n", rx_cal_reg[1]));
+	PHY_DEBUG(("[CAL]       rx_cal_reg[2] = %d\n", rx_cal_reg[2]));
+	PHY_DEBUG(("[CAL]       rx_cal_reg[3] = %d\n", rx_cal_reg[3]));
+#endif
+
+}
+
+////////////////////////////////////////////////////////////////////////
+void phy_calibration_winbond(hw_data_t *phw_data, u32 frequency)
+{
+	u32     reg_mode_ctrl;
+	u32     iq_alpha;
+
+	PHY_DEBUG(("[CAL] -> phy_calibration_winbond()\n"));
+
+	// 20040701 1.1.25.1000 kevin
+	hw_get_cxx_reg(phw_data, 0x80, &mac_ctrl);
+	hw_get_cxx_reg(phw_data, 0xE4, &rf_ctrl);
+	hw_get_dxx_reg(phw_data, 0x58, &iq_alpha);
+
+
+
+	_rxadc_dc_offset_cancellation_winbond(phw_data, frequency);
+	//_txidac_dc_offset_cancellation_winbond(phw_data);
+	//_txqdac_dc_offset_cacellation_winbond(phw_data);
+
+	_tx_iq_calibration_winbond(phw_data);
+	_rx_iq_calibration_winbond(phw_data, frequency);
+
+	//------------------------------------------------------------------------
+	hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl);
+	reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE|MASK_CALIB_START); // set when finish
+	hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+	PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+
+	// i. Set RFIC to "Normal mode"
+	hw_set_cxx_reg(phw_data, 0x80, mac_ctrl);
+	hw_set_cxx_reg(phw_data, 0xE4, rf_ctrl);
+	hw_set_dxx_reg(phw_data, 0x58, iq_alpha);
+
+
+	//------------------------------------------------------------------------
+	phy_init_rf(phw_data);
+
+}
+
+//===========================
+void phy_set_rf_data(  phw_data_t pHwData,  u32 index,  u32 value )
+{
+   u32 ltmp=0;
+
+    switch( pHwData->phy_type )
+	{
+		case RF_MAXIM_2825:
+		case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331)
+			ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 );
+			break;
+
+		case RF_MAXIM_2827:
+			ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 );
+			break;
+
+		case RF_MAXIM_2828:
+			ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 );
+			break;
+
+		case RF_MAXIM_2829:
+			ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( value, 18 );
+			break;
+
+		case RF_AIROHA_2230:
+		case RF_AIROHA_2230S: // 20060420 Add this
+			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( value, 20 );
+			break;
+
+		case RF_AIROHA_7230:
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | (value&0xffffff);
+			break;
+
+		case RF_WB_242:
+		case RF_WB_242_1: // 20060619.5 Add
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( value, 24 );
+			break;
+	}
+
+	Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+}
+
+// 20060717 modify as Bruce's mail
+unsigned char adjust_TXVGA_for_iq_mag(hw_data_t *phw_data)
+{
+	int init_txvga = 0;
+	u32     reg_mode_ctrl;
+	u32     val;
+	s32     iqcal_tone_i0;
+	s32     iqcal_tone_q0;
+	u32     sqsum;
+	s32     iq_mag_0_tx;
+	u8		reg_state;
+	int		current_txvga;
+
+
+	reg_state = 0;
+	for( init_txvga=0; init_txvga<10; init_txvga++)
+	{
+		current_txvga = ( 0x24C40A|(init_txvga<<6) );
+		phy_set_rf_data(phw_data, 5, ((5<<24)|current_txvga) );
+		phw_data->txvga_setting_for_cal = current_txvga;
+
+		//pa_stall_execution(30000);//Sleep(30);
+		OS_SLEEP(30000); // 20060612.1.a
+
+		if( !hw_get_dxx_reg(phw_data, REG_MODE_CTRL, &reg_mode_ctrl) ) // 20060718.1 modify
+			return FALSE;
+
+		PHY_DEBUG(("[CAL]    MODE_CTRL (read) = 0x%08X\n", reg_mode_ctrl));
+
+		// a. Set iqcal_mode[1:0] to 0x2 and set "calib_start" to 0x1 to
+		//    enable "IQ alibration Mode II"
+		reg_mode_ctrl &= ~(MASK_IQCAL_TONE_SEL|MASK_IQCAL_MODE);
+		reg_mode_ctrl &= ~MASK_IQCAL_MODE;
+		reg_mode_ctrl |= (MASK_CALIB_START|0x02);
+		reg_mode_ctrl |= (MASK_CALIB_START|0x02|2<<2);
+		hw_set_dxx_reg(phw_data, REG_MODE_CTRL, reg_mode_ctrl);
+		PHY_DEBUG(("[CAL]    MODE_CTRL (write) = 0x%08X\n", reg_mode_ctrl));
+
+		//pa_stall_execution(US);
+		OS_SLEEP(1); // 20060612.1.a
+
+		//pa_stall_execution(300);//Sleep(30);
+		OS_SLEEP(300); // 20060612.1.a
+
+		// b.
+		hw_get_dxx_reg(phw_data, REG_CALIB_READ1, &val);
+
+		PHY_DEBUG(("[CAL]    CALIB_READ1 = 0x%08X\n", val));
+		//pa_stall_execution(US);
+		//pa_stall_execution(300);//Sleep(30);
+		OS_SLEEP(300); // 20060612.1.a
+
+		iqcal_tone_i0 = _s13_to_s32(val & 0x00001FFF);
+		iqcal_tone_q0 = _s13_to_s32((val & 0x03FFE000) >> 13);
+		PHY_DEBUG(("[CAL]    ** iqcal_tone_i0=%d, iqcal_tone_q0=%d\n",
+				   iqcal_tone_i0, iqcal_tone_q0));
+
+		sqsum = iqcal_tone_i0*iqcal_tone_i0 + iqcal_tone_q0*iqcal_tone_q0;
+		iq_mag_0_tx = (s32) _sqrt(sqsum);
+		PHY_DEBUG(("[CAL]    ** auto_adjust_txvga_for_iq_mag_0_tx=%d\n", iq_mag_0_tx));
+
+		if( iq_mag_0_tx>=700 && iq_mag_0_tx<=1750 )
+			break;
+		else if(iq_mag_0_tx > 1750)
+		{
+			init_txvga=-2;
+			continue;
+		}
+		else
+			continue;
+
+	}
+
+	if( iq_mag_0_tx>=700 && iq_mag_0_tx<=1750 )
+		return TRUE;
+	else
+		return FALSE;
+}
+
+
+
diff --git a/drivers/staging/winbond/phy_calibration.h b/drivers/staging/winbond/phy_calibration.h
new file mode 100644
index 00000000000..b6a65d31301
--- /dev/null
+++ b/drivers/staging/winbond/phy_calibration.h
@@ -0,0 +1,101 @@
+// 20031229 Turbo add
+#define REG_AGC_CTRL1               0x1000
+#define REG_AGC_CTRL2               0x1004
+#define REG_AGC_CTRL3               0x1008
+#define REG_AGC_CTRL4               0x100C
+#define REG_AGC_CTRL5               0x1010
+#define REG_AGC_CTRL6               0x1014
+#define REG_AGC_CTRL7               0x1018
+#define REG_AGC_CTRL8               0x101C
+#define REG_AGC_CTRL9               0x1020
+#define REG_AGC_CTRL10              0x1024
+#define REG_CCA_CTRL                0x1028
+#define REG_A_ACQ_CTRL              0x102C
+#define REG_B_ACQ_CTRL              0x1030
+#define REG_A_TXRX_CTRL             0x1034
+#define REG_B_TXRX_CTRL             0x1038
+#define REG_A_TX_COEF3              0x103C
+#define REG_A_TX_COEF2              0x1040
+#define REG_A_TX_COEF1              0x1044
+#define REG_B_TX_COEF2              0x1048
+#define REG_B_TX_COEF1              0x104C
+#define REG_MODE_CTRL               0x1050
+#define REG_CALIB_DATA              0x1054
+#define REG_IQ_ALPHA                0x1058
+#define REG_DC_CANCEL               0x105C
+#define REG_WTO_READ                0x1060
+#define REG_OFFSET_READ             0x1064
+#define REG_CALIB_READ1             0x1068
+#define REG_CALIB_READ2             0x106C
+#define REG_A_FREQ_EST              0x1070
+
+
+
+
+//  20031101 Turbo add
+#define MASK_AMER_OFF_REG          BIT(31)
+
+#define MASK_BMER_OFF_REG          BIT(31)
+
+#define MASK_LNA_FIX_GAIN          (BIT(3)|BIT(4))
+#define MASK_AGC_FIX               BIT(1)
+
+#define MASK_AGC_FIX_GAIN          0xFF00
+
+#define MASK_ADC_DC_CAL_STR        BIT(10)
+#define MASK_CALIB_START           BIT(4)
+#define MASK_IQCAL_TONE_SEL        (BIT(3)|BIT(2))
+#define MASK_IQCAL_MODE            (BIT(1)|BIT(0))
+
+#define MASK_TX_CAL_0              0xF0000000
+#define TX_CAL_0_SHIFT             28
+#define MASK_TX_CAL_1              0x0F000000
+#define TX_CAL_1_SHIFT             24
+#define MASK_TX_CAL_2              0x00F00000
+#define TX_CAL_2_SHIFT             20
+#define MASK_TX_CAL_3              0x000F0000
+#define TX_CAL_3_SHIFT             16
+#define MASK_RX_CAL_0              0x0000F000
+#define RX_CAL_0_SHIFT             12
+#define MASK_RX_CAL_1              0x00000F00
+#define RX_CAL_1_SHIFT             8
+#define MASK_RX_CAL_2              0x000000F0
+#define RX_CAL_2_SHIFT             4
+#define MASK_RX_CAL_3              0x0000000F
+#define RX_CAL_3_SHIFT             0
+
+#define MASK_CANCEL_DC_I           0x3E0
+#define CANCEL_DC_I_SHIFT          5
+#define MASK_CANCEL_DC_Q           0x01F
+#define CANCEL_DC_Q_SHIFT          0
+
+// LA20040210 kevin
+//#define MASK_ADC_DC_CAL_I(x)       (((x)&0x1FE00)>>9)
+//#define MASK_ADC_DC_CAL_Q(x)       ((x)&0x1FF)
+#define MASK_ADC_DC_CAL_I(x)       (((x)&0x0003FE00)>>9)
+#define MASK_ADC_DC_CAL_Q(x)       ((x)&0x000001FF)
+
+// LA20040210 kevin (Turbo has wrong definition)
+//#define MASK_IQCAL_TONE_I          0x7FFC000
+//#define SHIFT_IQCAL_TONE_I(x)      ((x)>>13)
+//#define MASK_IQCAL_TONE_Q          0x1FFF
+//#define SHIFT_IQCAL_TONE_Q(x)      ((x)>>0)
+#define MASK_IQCAL_TONE_I          0x00001FFF
+#define SHIFT_IQCAL_TONE_I(x)      ((x)>>0)
+#define MASK_IQCAL_TONE_Q          0x03FFE000
+#define SHIFT_IQCAL_TONE_Q(x)      ((x)>>13)
+
+// LA20040210 kevin (Turbo has wrong definition)
+//#define MASK_IQCAL_IMAGE_I         0x7FFC000
+//#define SHIFT_IQCAL_IMAGE_I(x)     ((x)>>13)
+//#define MASK_IQCAL_IMAGE_Q         0x1FFF
+//#define SHIFT_IQCAL_IMAGE_Q(x)     ((x)>>0)
+
+//#define MASK_IQCAL_IMAGE_I         0x00001FFF
+//#define SHIFT_IQCAL_IMAGE_I(x)     ((x)>>0)
+//#define MASK_IQCAL_IMAGE_Q         0x03FFE000
+//#define SHIFT_IQCAL_IMAGE_Q(x)     ((x)>>13)
+
+void phy_set_rf_data(  phw_data_t pHwData,  u32 index,  u32 value );
+#define phy_init_rf( _A )	//RFSynthesizer_initial( _A )
+
diff --git a/drivers/staging/winbond/reg.c b/drivers/staging/winbond/reg.c
new file mode 100644
index 00000000000..b475c7a7c42
--- /dev/null
+++ b/drivers/staging/winbond/reg.c
@@ -0,0 +1,2683 @@
+#include "os_common.h"
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Original Phy.h
+//*****************************************************************************
+
+/*****************************************************************************
+; For MAXIM2825/6/7 Ver. 331 or more
+; Edited by Tiger, Sep-17-2003
+; revised by Ben, Sep-18-2003
+
+0x00 0x000a2
+0x01 0x21cc0
+;0x02 0x13802
+0x02 0x1383a
+
+;channe1 01 ; 0x03 0x30142 ; 0x04 0x0b333;
+;channe1 02 ;0x03 0x32141 ;0x04 0x08444;
+;channe1 03 ;0x03 0x32143 ;0x04 0x0aeee;
+;channe1 04 ;0x03 0x32142 ;0x04 0x0b333;
+;channe1 05 ;0x03 0x31141 ;0x04 0x08444;
+;channe1 06 ;
+0x03 0x31143;
+0x04 0x0aeee;
+;channe1 07 ;0x03 0x31142 ;0x04 0x0b333;
+;channe1 08 ;0x03 0x33141 ;0x04 0x08444;
+;channe1 09 ;0x03 0x33143 ;0x04 0x0aeee;
+;channe1 10 ;0x03 0x33142 ;0x04 0x0b333;
+;channe1 11 ;0x03 0x30941 ;0x04 0x08444;
+;channe1 12 ;0x03 0x30943 ;0x04 0x0aeee;
+;channe1 13 ;0x03 0x30942 ;0x04 0x0b333;
+
+0x05 0x28986
+0x06 0x18008
+0x07 0x38400
+0x08 0x05100; 100 Hz DC
+;0x08 0x05900; 30 KHz DC
+0x09 0x24f08
+0x0a 0x17e00, 0x17ea0
+0x0b 0x37d80
+0x0c 0x0c900 // 0x0ca00 (lager power 9db than 0x0c000), 0x0c000
+*****************************************************************************/
+// MAX2825 (pure b/g)
+u32 max2825_rf_data[] =
+{
+    (0x00<<18)|0x000a2,
+    (0x01<<18)|0x21cc0,
+    (0x02<<18)|0x13806,
+    (0x03<<18)|0x30142,
+    (0x04<<18)|0x0b333,
+    (0x05<<18)|0x289A6,
+    (0x06<<18)|0x18008,
+    (0x07<<18)|0x38000,
+    (0x08<<18)|0x05100,
+    (0x09<<18)|0x24f08,
+    (0x0A<<18)|0x14000,
+    (0x0B<<18)|0x37d80,
+    (0x0C<<18)|0x0c100   // 11a: 0x0c300, 11g: 0x0c100
+};
+
+u32 max2825_channel_data_24[][3] =
+{
+    {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01
+    {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02
+    {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03
+    {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04
+    {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05
+    {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06
+    {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07
+    {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08
+    {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09
+    {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10
+    {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11
+    {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12
+    {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13
+    {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6} // 14 (2484MHz) hhmodify
+};
+
+u32 max2825_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
+
+/****************************************************************************/
+// MAX2827 (a/b/g)
+u32 max2827_rf_data[] =
+{
+    (0x00<<18)|0x000a2,
+    (0x01<<18)|0x21cc0,
+    (0x02<<18)|0x13806,
+    (0x03<<18)|0x30142,
+    (0x04<<18)|0x0b333,
+    (0x05<<18)|0x289A6,
+    (0x06<<18)|0x18008,
+    (0x07<<18)|0x38000,
+    (0x08<<18)|0x05100,
+    (0x09<<18)|0x24f08,
+    (0x0A<<18)|0x14000,
+    (0x0B<<18)|0x37d80,
+    (0x0C<<18)|0x0c100   // 11a: 0x0c300, 11g: 0x0c100
+};
+
+u32 max2827_channel_data_24[][3] =
+{
+    {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01
+    {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02
+    {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03
+    {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04
+    {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05
+    {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06
+    {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07
+    {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08
+    {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09
+    {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10
+    {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11
+    {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12
+    {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13
+    {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6}  // 14 (2484MHz) hhmodify
+};
+
+u32 max2827_channel_data_50[][3] =
+{
+    {(0x03<<18)|0x33cc3, (0x04<<18)|0x08ccc, (0x05<<18)|0x2A9A6}, // channel 36
+    {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x2A9A6}, // channel 40
+    {(0x03<<18)|0x302c2, (0x04<<18)|0x0b333, (0x05<<18)|0x2A9A6}, // channel 44
+    {(0x03<<18)|0x322c1, (0x04<<18)|0x09999, (0x05<<18)|0x2A9A6}, // channel 48
+    {(0x03<<18)|0x312c1, (0x04<<18)|0x0a666, (0x05<<18)|0x2A9A6}, // channel 52
+    {(0x03<<18)|0x332c3, (0x04<<18)|0x08ccc, (0x05<<18)|0x2A9A6}, // channel 56
+    {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x2A9A6}, // channel 60
+    {(0x03<<18)|0x30ac2, (0x04<<18)|0x0b333, (0x05<<18)|0x2A9A6} // channel 64
+};
+
+u32 max2827_power_data_24[] = {(0x0C<<18)|0x0C000, (0x0C<<18)|0x0D600, (0x0C<<18)|0x0C100};
+u32 max2827_power_data_50[] = {(0x0C<<18)|0x0C400, (0x0C<<18)|0x0D500, (0x0C<<18)|0x0C300};
+
+/****************************************************************************/
+// MAX2828 (a/b/g)
+u32 max2828_rf_data[] =
+{
+    (0x00<<18)|0x000a2,
+    (0x01<<18)|0x21cc0,
+    (0x02<<18)|0x13806,
+    (0x03<<18)|0x30142,
+    (0x04<<18)|0x0b333,
+    (0x05<<18)|0x289A6,
+    (0x06<<18)|0x18008,
+    (0x07<<18)|0x38000,
+    (0x08<<18)|0x05100,
+    (0x09<<18)|0x24f08,
+    (0x0A<<18)|0x14000,
+    (0x0B<<18)|0x37d80,
+    (0x0C<<18)|0x0c100   // 11a: 0x0c300, 11g: 0x0c100
+};
+
+u32 max2828_channel_data_24[][3] =
+{
+    {(0x03<<18)|0x30142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 01
+    {(0x03<<18)|0x32141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 02
+    {(0x03<<18)|0x32143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 03
+    {(0x03<<18)|0x32142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 04
+    {(0x03<<18)|0x31141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 05
+    {(0x03<<18)|0x31143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 06
+    {(0x03<<18)|0x31142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 07
+    {(0x03<<18)|0x33141, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 08
+    {(0x03<<18)|0x33143, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 09
+    {(0x03<<18)|0x33142, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 10
+    {(0x03<<18)|0x30941, (0x04<<18)|0x08444, (0x05<<18)|0x289A6}, // channe1 11
+    {(0x03<<18)|0x30943, (0x04<<18)|0x0aeee, (0x05<<18)|0x289A6}, // channe1 12
+    {(0x03<<18)|0x30942, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channe1 13
+    {(0x03<<18)|0x32941, (0x04<<18)|0x09999, (0x05<<18)|0x289A6}  // 14 (2484MHz) hhmodify
+};
+
+u32 max2828_channel_data_50[][3] =
+{
+    {(0x03<<18)|0x33cc3, (0x04<<18)|0x08ccc, (0x05<<18)|0x289A6}, // channel 36
+    {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x289A6}, // channel 40
+    {(0x03<<18)|0x302c2, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6}, // channel 44
+    {(0x03<<18)|0x322c1, (0x04<<18)|0x09999, (0x05<<18)|0x289A6}, // channel 48
+    {(0x03<<18)|0x312c1, (0x04<<18)|0x0a666, (0x05<<18)|0x289A6}, // channel 52
+    {(0x03<<18)|0x332c3, (0x04<<18)|0x08ccc, (0x05<<18)|0x289A6}, // channel 56
+    {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x289A6}, // channel 60
+    {(0x03<<18)|0x30ac2, (0x04<<18)|0x0b333, (0x05<<18)|0x289A6} // channel 64
+};
+
+u32 max2828_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
+u32 max2828_power_data_50[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
+
+/****************************************************************************/
+// LA20040728 kevin
+// MAX2829 (a/b/g)
+u32 max2829_rf_data[] =
+{
+    (0x00<<18)|0x000a2,
+    (0x01<<18)|0x23520,
+    (0x02<<18)|0x13802,
+    (0x03<<18)|0x30142,
+    (0x04<<18)|0x0b333,
+    (0x05<<18)|0x28906,
+    (0x06<<18)|0x18008,
+    (0x07<<18)|0x3B500,
+    (0x08<<18)|0x05100,
+    (0x09<<18)|0x24f08,
+    (0x0A<<18)|0x14000,
+    (0x0B<<18)|0x37d80,
+    (0x0C<<18)|0x0F300 //TXVGA=51, (MAX-6 dB)
+};
+
+u32 max2829_channel_data_24[][3] =
+{
+    {(3<<18)|0x30142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 01 (2412MHz)
+    {(3<<18)|0x32141, (4<<18)|0x08444, (5<<18)|0x289C6},  // 02 (2417MHz)
+    {(3<<18)|0x32143, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 03 (2422MHz)
+    {(3<<18)|0x32142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 04 (2427MHz)
+    {(3<<18)|0x31141, (4<<18)|0x08444, (5<<18)|0x289C6},  // 05 (2432MHz)
+    {(3<<18)|0x31143, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 06 (2437MHz)
+    {(3<<18)|0x31142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 07 (2442MHz)
+    {(3<<18)|0x33141, (4<<18)|0x08444, (5<<18)|0x289C6},  // 08 (2447MHz)
+    {(3<<18)|0x33143, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 09 (2452MHz)
+    {(3<<18)|0x33142, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 10 (2457MHz)
+    {(3<<18)|0x30941, (4<<18)|0x08444, (5<<18)|0x289C6},  // 11 (2462MHz)
+    {(3<<18)|0x30943, (4<<18)|0x0aeee, (5<<18)|0x289C6},  // 12 (2467MHz)
+    {(3<<18)|0x30942, (4<<18)|0x0b333, (5<<18)|0x289C6},  // 13 (2472MHz)
+    {(3<<18)|0x32941, (4<<18)|0x09999, (5<<18)|0x289C6},  // 14 (2484MHz) hh-modify
+};
+
+u32 max2829_channel_data_50[][4] =
+{
+     {36, (3<<18)|0x33cc3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 36 (5.180GHz)
+     {40, (3<<18)|0x302c0, (4<<18)|0x08000, (5<<18)|0x2A946}, // 40 (5.200GHz)
+     {44, (3<<18)|0x302c2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 44 (5.220GHz)
+     {48, (3<<18)|0x322c1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 48 (5.240GHz)
+     {52, (3<<18)|0x312c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 52 (5.260GHz)
+     {56, (3<<18)|0x332c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 56 (5.280GHz)
+     {60, (3<<18)|0x30ac0, (4<<18)|0x08000, (5<<18)|0x2A946}, // 60 (5.300GHz)
+     {64, (3<<18)|0x30ac2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 64 (5.320GHz)
+
+    {100, (3<<18)|0x30ec0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 100 (5.500GHz)
+    {104, (3<<18)|0x30ec2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 104 (5.520GHz)
+    {108, (3<<18)|0x32ec1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 108 (5.540GHz)
+    {112, (3<<18)|0x31ec1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 112 (5.560GHz)
+    {116, (3<<18)|0x33ec3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 116 (5.580GHz)
+    {120, (3<<18)|0x301c0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 120 (5.600GHz)
+    {124, (3<<18)|0x301c2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 124 (5.620GHz)
+    {128, (3<<18)|0x321c1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 128 (5.640GHz)
+    {132, (3<<18)|0x311c1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 132 (5.660GHz)
+    {136, (3<<18)|0x331c3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 136 (5.680GHz)
+    {140, (3<<18)|0x309c0, (4<<18)|0x08000, (5<<18)|0x2A9C6}, // 140 (5.700GHz)
+
+    {149, (3<<18)|0x329c2, (4<<18)|0x0b333, (5<<18)|0x2A9C6}, // 149 (5.745GHz)
+    {153, (3<<18)|0x319c1, (4<<18)|0x09999, (5<<18)|0x2A9C6}, // 153 (5.765GHz)
+    {157, (3<<18)|0x339c1, (4<<18)|0x0a666, (5<<18)|0x2A9C6}, // 157 (5.785GHz)
+    {161, (3<<18)|0x305c3, (4<<18)|0x08ccc, (5<<18)|0x2A9C6}, // 161 (5.805GHz)
+
+    // Japan
+    { 184, (3<<18)|0x308c2, (4<<18)|0x0b333, (5<<18)|0x2A946}, // 184 (4.920GHz)
+    { 188, (3<<18)|0x328c1, (4<<18)|0x09999, (5<<18)|0x2A946}, // 188 (4.940GHz)
+    { 192, (3<<18)|0x318c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, // 192 (4.960GHz)
+    { 196, (3<<18)|0x338c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, // 196 (4.980GHz)
+    {   8, (3<<18)|0x324c1, (4<<18)|0x09999, (5<<18)|0x2A946}, //   8 (5.040GHz)
+    {  12, (3<<18)|0x314c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, //  12 (5.060GHz)
+    {  16, (3<<18)|0x334c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, //  16 (5.080GHz)
+    {  34, (3<<18)|0x31cc2, (4<<18)|0x0b333, (5<<18)|0x2A946}, //  34 (5.170GHz)
+    {  38, (3<<18)|0x33cc1, (4<<18)|0x09999, (5<<18)|0x2A946}, //  38 (5.190GHz)
+    {  42, (3<<18)|0x302c1, (4<<18)|0x0a666, (5<<18)|0x2A946}, //  42 (5.210GHz)
+    {  46, (3<<18)|0x322c3, (4<<18)|0x08ccc, (5<<18)|0x2A946}, //  46 (5.230GHz)
+};
+
+/*****************************************************************************
+; For MAXIM2825/6/7 Ver. 317 or less
+; Edited by Tiger, Sep-17-2003  for 2.4Ghz channels
+; Updated by Tiger, Sep-22-2003 for 5.0Ghz channels
+; Corrected by Tiger, Sep-23-2003, for 0x03 and 0x04 of 5.0Ghz channels
+
+0x00 0x00080
+0x01 0x214c0
+0x02 0x13802
+
+;2.4GHz Channels
+;channe1 01 (2.412GHz); 0x03 0x30143 ;0x04 0x0accc
+;channe1 02 (2.417GHz); 0x03 0x32140 ;0x04 0x09111
+;channe1 03 (2.422GHz); 0x03 0x32142 ;0x04 0x0bbbb
+;channe1 04 (2.427GHz); 0x03 0x32143 ;0x04 0x0accc
+;channe1 05 (2.432GHz); 0x03 0x31140 ;0x04 0x09111
+;channe1 06 (2.437GHz); 0x03 0x31142 ;0x04 0x0bbbb
+;channe1 07 (2.442GHz); 0x03 0x31143 ;0x04 0x0accc
+;channe1 08 (2.447GHz); 0x03 0x33140 ;0x04 0x09111
+;channe1 09 (2.452GHz); 0x03 0x33142 ;0x04 0x0bbbb
+;channe1 10 (2.457GHz); 0x03 0x33143 ;0x04 0x0accc
+;channe1 11 (2.462GHz); 0x03 0x30940 ;0x04 0x09111
+;channe1 12 (2.467GHz); 0x03 0x30942 ;0x04 0x0bbbb
+;channe1 13 (2.472GHz); 0x03 0x30943 ;0x04 0x0accc
+
+;5.0Ghz Channels
+;channel 36 (5.180GHz); 0x03 0x33cc0 ;0x04 0x0b333
+;channel 40 (5.200GHz); 0x03 0x302c0 ;0x04 0x08000
+;channel 44 (5.220GHz); 0x03 0x302c2 ;0x04 0x0b333
+;channel 48 (5.240GHz); 0x03 0x322c1 ;0x04 0x09999
+;channel 52 (5.260GHz); 0x03 0x312c1 ;0x04 0x0a666
+;channel 56 (5.280GHz); 0x03 0x332c3 ;0x04 0x08ccc
+;channel 60 (5.300GHz); 0x03 0x30ac0 ;0x04 0x08000
+;channel 64 (5.320GHz); 0x03 0x30ac2 ;0x04 0x08333
+
+;2.4GHz band ;0x05 0x28986;
+;5.0GHz band
+0x05 0x2a986
+
+0x06 0x18008
+0x07 0x38400
+0x08 0x05108
+0x09 0x27ff8
+0x0a 0x14000
+0x0b 0x37f99
+0x0c 0x0c000
+*****************************************************************************/
+u32 maxim_317_rf_data[]     =
+{
+    (0x00<<18)|0x000a2,
+    (0x01<<18)|0x214c0,
+    (0x02<<18)|0x13802,
+    (0x03<<18)|0x30143,
+    (0x04<<18)|0x0accc,
+    (0x05<<18)|0x28986,
+    (0x06<<18)|0x18008,
+    (0x07<<18)|0x38400,
+    (0x08<<18)|0x05108,
+    (0x09<<18)|0x27ff8,
+    (0x0A<<18)|0x14000,
+    (0x0B<<18)|0x37f99,
+    (0x0C<<18)|0x0c000
+};
+
+u32 maxim_317_channel_data_24[][3]    =
+{
+    {(0x03<<18)|0x30143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 01
+    {(0x03<<18)|0x32140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 02
+    {(0x03<<18)|0x32142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 03
+    {(0x03<<18)|0x32143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 04
+    {(0x03<<18)|0x31140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 05
+    {(0x03<<18)|0x31142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 06
+    {(0x03<<18)|0x31143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 07
+    {(0x03<<18)|0x33140, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 08
+    {(0x03<<18)|0x33142, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 09
+    {(0x03<<18)|0x33143, (0x04<<18)|0x0accc, (0x05<<18)|0x28986}, // channe1 10
+    {(0x03<<18)|0x30940, (0x04<<18)|0x09111, (0x05<<18)|0x28986}, // channe1 11
+    {(0x03<<18)|0x30942, (0x04<<18)|0x0bbbb, (0x05<<18)|0x28986}, // channe1 12
+    {(0x03<<18)|0x30943, (0x04<<18)|0x0accc, (0x05<<18)|0x28986} // channe1 13
+};
+
+u32 maxim_317_channel_data_50[][3]    =
+{
+    {(0x03<<18)|0x33cc0, (0x04<<18)|0x0b333, (0x05<<18)|0x2a986}, // channel 36
+    {(0x03<<18)|0x302c0, (0x04<<18)|0x08000, (0x05<<18)|0x2a986}, // channel 40
+    {(0x03<<18)|0x302c3, (0x04<<18)|0x0accc, (0x05<<18)|0x2a986}, // channel 44
+    {(0x03<<18)|0x322c1, (0x04<<18)|0x09666, (0x05<<18)|0x2a986}, // channel 48
+    {(0x03<<18)|0x312c2, (0x04<<18)|0x09999, (0x05<<18)|0x2a986}, // channel 52
+    {(0x03<<18)|0x332c0, (0x04<<18)|0x0b333, (0x05<<18)|0x2a99e}, // channel 56
+    {(0x03<<18)|0x30ac0, (0x04<<18)|0x08000, (0x05<<18)|0x2a99e}, // channel 60
+    {(0x03<<18)|0x30ac3, (0x04<<18)|0x0accc, (0x05<<18)|0x2a99e} // channel 64
+};
+
+u32 maxim_317_power_data_24[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
+u32 maxim_317_power_data_50[] = {(0x0C<<18)|0x0c000, (0x0C<<18)|0x0c100};
+
+/*****************************************************************************
+;;AL2230 MP (Mass Production Version)
+;;RF Registers Setting for Airoha AL2230 silicon after June 1st, 2004
+;;Updated by Tiger Huang (June 1st, 2004)
+;;20-bit length and LSB first
+
+;;Ch01 (2412MHz) ;0x00 0x09EFC ;0x01 0x8CCCC;
+;;Ch02 (2417MHz) ;0x00 0x09EFC ;0x01 0x8CCCD;
+;;Ch03 (2422MHz) ;0x00 0x09E7C ;0x01 0x8CCCC;
+;;Ch04 (2427MHz) ;0x00 0x09E7C ;0x01 0x8CCCD;
+;;Ch05 (2432MHz) ;0x00 0x05EFC ;0x01 0x8CCCC;
+;;Ch06 (2437MHz) ;0x00 0x05EFC ;0x01 0x8CCCD;
+;;Ch07 (2442MHz) ;0x00 0x05E7C ;0x01 0x8CCCC;
+;;Ch08 (2447MHz) ;0x00 0x05E7C ;0x01 0x8CCCD;
+;;Ch09 (2452MHz) ;0x00 0x0DEFC ;0x01 0x8CCCC;
+;;Ch10 (2457MHz) ;0x00 0x0DEFC ;0x01 0x8CCCD;
+;;Ch11 (2462MHz) ;0x00 0x0DE7C ;0x01 0x8CCCC;
+;;Ch12 (2467MHz) ;0x00 0x0DE7C ;0x01 0x8CCCD;
+;;Ch13 (2472MHz) ;0x00 0x03EFC ;0x01 0x8CCCC;
+;;Ch14 (2484Mhz) ;0x00 0x03E7C ;0x01 0x86666;
+
+0x02 0x401D8; RXDCOC BW 100Hz for RXHP low
+;;0x02 0x481DC; RXDCOC BW 30Khz for RXHP low
+
+0x03 0xCFFF0
+0x04 0x23800
+0x05 0xA3B72
+0x06 0x6DA01
+0x07 0xE1688
+0x08 0x11600
+0x09 0x99E02
+0x0A 0x5DDB0
+0x0B 0xD9900
+0x0C 0x3FFBD
+0x0D 0xB0000
+0x0F 0xF00A0
+
+;RF Calibration for Airoha AL2230
+;Edit by Ben Chang (01/30/04)
+;Updated by Tiger Huang (03/03/04)
+0x0f 0xf00a0 ; Initial Setting
+0x0f 0xf00b0 ; Activate TX DCC
+0x0f 0xf02a0 ; Activate Phase Calibration
+0x0f 0xf00e0 ; Activate Filter RC Calibration
+0x0f 0xf00a0 ; Restore Initial Setting
+*****************************************************************************/
+
+u32 al2230_rf_data[]     =
+{
+    (0x00<<20)|0x09EFC,
+    (0x01<<20)|0x8CCCC,
+    (0x02<<20)|0x40058,// 20060627 Anson 0x401D8,
+    (0x03<<20)|0xCFFF0,
+    (0x04<<20)|0x24100,// 20060627 Anson 0x23800,
+    (0x05<<20)|0xA3B2F,// 20060627 Anson 0xA3B72
+    (0x06<<20)|0x6DA01,
+    (0x07<<20)|0xE3628,// 20060627 Anson 0xE1688,
+    (0x08<<20)|0x11600,
+    (0x09<<20)|0x9DC02,// 20060627 Anosn 0x97602,//0x99E02, //0x9AE02
+    (0x0A<<20)|0x5ddb0, // 941206 For QCOM interference 0x588b0,//0x5DDB0, 940601 adj 0x5aa30 for bluetooth
+    (0x0B<<20)|0xD9900,
+    (0x0C<<20)|0x3FFBD,
+    (0x0D<<20)|0xB0000,
+    (0x0F<<20)|0xF01A0 // 20060627 Anson 0xF00A0
+};
+
+u32 al2230s_rf_data[]     =
+{
+    (0x00<<20)|0x09EFC,
+    (0x01<<20)|0x8CCCC,
+    (0x02<<20)|0x40058,// 20060419 0x401D8,
+    (0x03<<20)|0xCFFF0,
+    (0x04<<20)|0x24100,// 20060419 0x23800,
+    (0x05<<20)|0xA3B2F,// 20060419 0xA3B72,
+    (0x06<<20)|0x6DA01,
+    (0x07<<20)|0xE3628,// 20060419 0xE1688,
+    (0x08<<20)|0x11600,
+    (0x09<<20)|0x9DC02,// 20060419 0x97602,//0x99E02, //0x9AE02
+    (0x0A<<20)|0x5DDB0,// 941206 For QCOM interference 0x588b0,//0x5DDB0, 940601 adj 0x5aa30 for bluetooth
+    (0x0B<<20)|0xD9900,
+    (0x0C<<20)|0x3FFBD,
+    (0x0D<<20)|0xB0000,
+    (0x0F<<20)|0xF01A0 // 20060419 0xF00A0
+};
+
+u32 al2230_channel_data_24[][2] =
+{
+    {(0x00<<20)|0x09EFC, (0x01<<20)|0x8CCCC}, // channe1 01
+    {(0x00<<20)|0x09EFC, (0x01<<20)|0x8CCCD}, // channe1 02
+    {(0x00<<20)|0x09E7C, (0x01<<20)|0x8CCCC}, // channe1 03
+    {(0x00<<20)|0x09E7C, (0x01<<20)|0x8CCCD}, // channe1 04
+    {(0x00<<20)|0x05EFC, (0x01<<20)|0x8CCCC}, // channe1 05
+    {(0x00<<20)|0x05EFC, (0x01<<20)|0x8CCCD}, // channe1 06
+    {(0x00<<20)|0x05E7C, (0x01<<20)|0x8CCCC}, // channe1 07
+    {(0x00<<20)|0x05E7C, (0x01<<20)|0x8CCCD}, // channe1 08
+    {(0x00<<20)|0x0DEFC, (0x01<<20)|0x8CCCC}, // channe1 09
+    {(0x00<<20)|0x0DEFC, (0x01<<20)|0x8CCCD}, // channe1 10
+    {(0x00<<20)|0x0DE7C, (0x01<<20)|0x8CCCC}, // channe1 11
+    {(0x00<<20)|0x0DE7C, (0x01<<20)|0x8CCCD}, // channe1 12
+    {(0x00<<20)|0x03EFC, (0x01<<20)|0x8CCCC}, // channe1 13
+    {(0x00<<20)|0x03E7C, (0x01<<20)|0x86666} // channe1 14
+};
+
+// Current setting. u32 airoha_power_data_24[] = {(0x09<<20)|0x90202, (0x09<<20)|0x96602, (0x09<<20)|0x97602};
+#define AIROHA_TXVGA_LOW_INDEX		31		// Index for 0x90202
+#define AIROHA_TXVGA_MIDDLE_INDEX	12		// Index for 0x96602
+#define AIROHA_TXVGA_HIGH_INDEX		8		// Index for 0x97602 1.0.24.0 1.0.28.0
+/*
+u32 airoha_power_data_24[] =
+{
+    0x9FE02,          // Max - 0 dB
+    0x9BE02,          // Max - 1 dB
+    0x9DE02,          // Max - 2 dB
+    0x99E02,          // Max - 3 dB
+    0x9EE02,          // Max - 4 dB
+    0x9AE02,          // Max - 5 dB
+    0x9CE02,          // Max - 6 dB
+    0x98E02,          // Max - 7 dB
+    0x97602,          // Max - 8 dB
+    0x93602,          // Max - 9 dB
+    0x95602,          // Max - 10 dB
+    0x91602,          // Max - 11 dB
+    0x96602,          // Max - 12 dB
+    0x92602,          // Max - 13 dB
+    0x94602,          // Max - 14 dB
+    0x90602,          // Max - 15 dB
+    0x97A02,          // Max - 16 dB
+    0x93A02,          // Max - 17 dB
+    0x95A02,          // Max - 18 dB
+    0x91A02,          // Max - 19 dB
+    0x96A02,          // Max - 20 dB
+    0x92A02,          // Max - 21 dB
+    0x94A02,          // Max - 22 dB
+    0x90A02,          // Max - 23 dB
+    0x97202,          // Max - 24 dB
+    0x93202,          // Max - 25 dB
+    0x95202,          // Max - 26 dB
+    0x91202,          // Max - 27 dB
+    0x96202,          // Max - 28 dB
+    0x92202,          // Max - 29 dB
+    0x94202,          // Max - 30 dB
+    0x90202           // Max - 31 dB
+};
+*/
+
+// 20040927 1.1.69.1000 ybjiang
+// from John
+u32 al2230_txvga_data[][2] =
+{
+	//value	, index
+	{0x090202, 0},
+	{0x094202, 2},
+	{0x092202, 4},
+	{0x096202, 6},
+	{0x091202, 8},
+	{0x095202, 10},
+	{0x093202, 12},
+	{0x097202, 14},
+	{0x090A02, 16},
+	{0x094A02, 18},
+	{0x092A02, 20},
+	{0x096A02, 22},
+	{0x091A02, 24},
+	{0x095A02, 26},
+	{0x093A02, 28},
+	{0x097A02, 30},
+	{0x090602, 32},
+	{0x094602, 34},
+	{0x092602, 36},
+	{0x096602, 38},
+	{0x091602, 40},
+	{0x095602, 42},
+	{0x093602, 44},
+	{0x097602, 46},
+	{0x090E02, 48},
+	{0x098E02, 49},
+	{0x094E02, 50},
+	{0x09CE02, 51},
+	{0x092E02, 52},
+	{0x09AE02, 53},
+	{0x096E02, 54},
+	{0x09EE02, 55},
+	{0x091E02, 56},
+	{0x099E02, 57},
+	{0x095E02, 58},
+	{0x09DE02, 59},
+	{0x093E02, 60},
+	{0x09BE02, 61},
+	{0x097E02, 62},
+	{0x09FE02, 63}
+};
+
+//--------------------------------
+// For Airoha AL7230, 2.4Ghz band
+// Edit by Tiger, (March, 9, 2005)
+// 24bit, MSB first
+
+//channel independent registers:
+u32 al7230_rf_data_24[]	=
+{
+	(0x00<<24)|0x003790,
+	(0x01<<24)|0x133331,
+	(0x02<<24)|0x841FF2,
+	(0x03<<24)|0x3FDFA3,
+	(0x04<<24)|0x7FD784,
+	(0x05<<24)|0x802B55,
+	(0x06<<24)|0x56AF36,
+	(0x07<<24)|0xCE0207,
+	(0x08<<24)|0x6EBC08,
+	(0x09<<24)|0x221BB9,
+	(0x0A<<24)|0xE0000A,
+	(0x0B<<24)|0x08071B,
+	(0x0C<<24)|0x000A3C,
+	(0x0D<<24)|0xFFFFFD,
+	(0x0E<<24)|0x00000E,
+	(0x0F<<24)|0x1ABA8F
+};
+
+u32 al7230_channel_data_24[][2] =
+{
+    {(0x00<<24)|0x003790, (0x01<<24)|0x133331}, // channe1 01
+    {(0x00<<24)|0x003790, (0x01<<24)|0x1B3331}, // channe1 02
+    {(0x00<<24)|0x003790, (0x01<<24)|0x033331}, // channe1 03
+    {(0x00<<24)|0x003790, (0x01<<24)|0x0B3331}, // channe1 04
+    {(0x00<<24)|0x0037A0, (0x01<<24)|0x133331}, // channe1 05
+    {(0x00<<24)|0x0037A0, (0x01<<24)|0x1B3331}, // channe1 06
+    {(0x00<<24)|0x0037A0, (0x01<<24)|0x033331}, // channe1 07
+    {(0x00<<24)|0x0037A0, (0x01<<24)|0x0B3331}, // channe1 08
+    {(0x00<<24)|0x0037B0, (0x01<<24)|0x133331}, // channe1 09
+    {(0x00<<24)|0x0037B0, (0x01<<24)|0x1B3331}, // channe1 10
+    {(0x00<<24)|0x0037B0, (0x01<<24)|0x033331}, // channe1 11
+    {(0x00<<24)|0x0037B0, (0x01<<24)|0x0B3331}, // channe1 12
+    {(0x00<<24)|0x0037C0, (0x01<<24)|0x133331}, // channe1 13
+	{(0x00<<24)|0x0037C0, (0x01<<24)|0x066661}  // channel 14
+};
+
+//channel independent registers:
+u32 al7230_rf_data_50[]	=
+{
+	(0x00<<24)|0x0FF520,
+	(0x01<<24)|0x000001,
+	(0x02<<24)|0x451FE2,
+	(0x03<<24)|0x5FDFA3,
+	(0x04<<24)|0x6FD784,
+	(0x05<<24)|0x853F55,
+	(0x06<<24)|0x56AF36,
+	(0x07<<24)|0xCE0207,
+	(0x08<<24)|0x6EBC08,
+	(0x09<<24)|0x221BB9,
+	(0x0A<<24)|0xE0600A,
+	(0x0B<<24)|0x08044B,
+	(0x0C<<24)|0x00143C,
+	(0x0D<<24)|0xFFFFFD,
+	(0x0E<<24)|0x00000E,
+	(0x0F<<24)|0x12BACF //5Ghz default state
+};
+
+u32 al7230_channel_data_5[][4] =
+{
+	//channel dependent registers: 0x00, 0x01 and 0x04
+	//11J ===========
+	{184, (0x00<<24)|0x0FF520, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 184
+	{188, (0x00<<24)|0x0FF520, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 188
+	{192, (0x00<<24)|0x0FF530, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 192
+	{196, (0x00<<24)|0x0FF530, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 196
+	{8,   (0x00<<24)|0x0FF540, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 008
+	{12,  (0x00<<24)|0x0FF540, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 012
+	{16,  (0x00<<24)|0x0FF550, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 016
+	{34,  (0x00<<24)|0x0FF560, (0x01<<24)|0x055551, (0x04<<24)|0x77F784}, // channel 034
+	{38,  (0x00<<24)|0x0FF570, (0x01<<24)|0x100001, (0x04<<24)|0x77F784}, // channel 038
+	{42,  (0x00<<24)|0x0FF570, (0x01<<24)|0x1AAAA1, (0x04<<24)|0x77F784}, // channel 042
+	{46,  (0x00<<24)|0x0FF570, (0x01<<24)|0x055551, (0x04<<24)|0x77F784}, // channel 046
+	//11 A/H =========
+	{36,  (0x00<<24)|0x0FF560, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 036
+	{40,  (0x00<<24)|0x0FF570, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 040
+	{44,  (0x00<<24)|0x0FF570, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 044
+	{48,  (0x00<<24)|0x0FF570, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 048
+	{52,  (0x00<<24)|0x0FF580, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 052
+	{56,  (0x00<<24)|0x0FF580, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 056
+	{60,  (0x00<<24)|0x0FF580, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 060
+	{64,  (0x00<<24)|0x0FF590, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 064
+	{100, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 100
+	{104, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 104
+	{108, (0x00<<24)|0x0FF5C0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 108
+	{112, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 112
+	{116, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 116
+	{120, (0x00<<24)|0x0FF5D0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 120
+	{124, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 124
+	{128, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 128
+	{132, (0x00<<24)|0x0FF5E0, (0x01<<24)|0x0AAAA1, (0x04<<24)|0x77F784}, // channel 132
+	{136, (0x00<<24)|0x0FF5F0, (0x01<<24)|0x155551, (0x04<<24)|0x77F784}, // channel 136
+	{140, (0x00<<24)|0x0FF5F0, (0x01<<24)|0x000001, (0x04<<24)|0x67F784}, // channel 140
+	{149, (0x00<<24)|0x0FF600, (0x01<<24)|0x180001, (0x04<<24)|0x77F784}, // channel 149
+	{153, (0x00<<24)|0x0FF600, (0x01<<24)|0x02AAA1, (0x04<<24)|0x77F784}, // channel 153
+	{157, (0x00<<24)|0x0FF600, (0x01<<24)|0x0D5551, (0x04<<24)|0x77F784}, // channel 157
+	{161, (0x00<<24)|0x0FF610, (0x01<<24)|0x180001, (0x04<<24)|0x77F784}, // channel 161
+	{165, (0x00<<24)|0x0FF610, (0x01<<24)|0x02AAA1, (0x04<<24)|0x77F784}  // channel 165
+};
+
+//; RF Calibration <=== Register 0x0F
+//0x0F 0x1ABA8F; start from 2.4Ghz default state
+//0x0F 0x9ABA8F; TXDC compensation
+//0x0F 0x3ABA8F; RXFIL adjustment
+//0x0F 0x1ABA8F; restore 2.4Ghz default state
+
+//;TXVGA Mapping Table <=== Register 0x0B
+u32 al7230_txvga_data[][2] =
+{
+	{0x08040B, 0}, //TXVGA=0;
+	{0x08041B, 1}, //TXVGA=1;
+	{0x08042B, 2}, //TXVGA=2;
+	{0x08043B, 3}, //TXVGA=3;
+	{0x08044B, 4}, //TXVGA=4;
+	{0x08045B, 5}, //TXVGA=5;
+	{0x08046B, 6}, //TXVGA=6;
+	{0x08047B, 7}, //TXVGA=7;
+	{0x08048B, 8}, //TXVGA=8;
+	{0x08049B, 9}, //TXVGA=9;
+	{0x0804AB, 10}, //TXVGA=10;
+	{0x0804BB, 11}, //TXVGA=11;
+	{0x0804CB, 12}, //TXVGA=12;
+	{0x0804DB, 13}, //TXVGA=13;
+	{0x0804EB, 14}, //TXVGA=14;
+	{0x0804FB, 15}, //TXVGA=15;
+	{0x08050B, 16}, //TXVGA=16;
+	{0x08051B, 17}, //TXVGA=17;
+	{0x08052B, 18}, //TXVGA=18;
+	{0x08053B, 19}, //TXVGA=19;
+	{0x08054B, 20}, //TXVGA=20;
+	{0x08055B, 21}, //TXVGA=21;
+	{0x08056B, 22}, //TXVGA=22;
+	{0x08057B, 23}, //TXVGA=23;
+	{0x08058B, 24}, //TXVGA=24;
+	{0x08059B, 25}, //TXVGA=25;
+	{0x0805AB, 26}, //TXVGA=26;
+	{0x0805BB, 27}, //TXVGA=27;
+	{0x0805CB, 28}, //TXVGA=28;
+	{0x0805DB, 29}, //TXVGA=29;
+	{0x0805EB, 30}, //TXVGA=30;
+	{0x0805FB, 31}, //TXVGA=31;
+	{0x08060B, 32}, //TXVGA=32;
+	{0x08061B, 33}, //TXVGA=33;
+	{0x08062B, 34}, //TXVGA=34;
+	{0x08063B, 35}, //TXVGA=35;
+	{0x08064B, 36}, //TXVGA=36;
+	{0x08065B, 37}, //TXVGA=37;
+	{0x08066B, 38}, //TXVGA=38;
+	{0x08067B, 39}, //TXVGA=39;
+	{0x08068B, 40}, //TXVGA=40;
+	{0x08069B, 41}, //TXVGA=41;
+	{0x0806AB, 42}, //TXVGA=42;
+	{0x0806BB, 43}, //TXVGA=43;
+	{0x0806CB, 44}, //TXVGA=44;
+	{0x0806DB, 45}, //TXVGA=45;
+	{0x0806EB, 46}, //TXVGA=46;
+	{0x0806FB, 47}, //TXVGA=47;
+	{0x08070B, 48}, //TXVGA=48;
+	{0x08071B, 49}, //TXVGA=49;
+	{0x08072B, 50}, //TXVGA=50;
+	{0x08073B, 51}, //TXVGA=51;
+	{0x08074B, 52}, //TXVGA=52;
+	{0x08075B, 53}, //TXVGA=53;
+	{0x08076B, 54}, //TXVGA=54;
+	{0x08077B, 55}, //TXVGA=55;
+	{0x08078B, 56}, //TXVGA=56;
+	{0x08079B, 57}, //TXVGA=57;
+	{0x0807AB, 58}, //TXVGA=58;
+	{0x0807BB, 59}, //TXVGA=59;
+	{0x0807CB, 60}, //TXVGA=60;
+	{0x0807DB, 61}, //TXVGA=61;
+	{0x0807EB, 62}, //TXVGA=62;
+	{0x0807FB, 63}, //TXVGA=63;
+};
+//--------------------------------
+
+
+//; W89RF242 RFIC SPI programming initial data
+//; Winbond WLAN 11g RFIC BB-SPI register -- version FA5976A rev 1.3b
+//; Update Date: Ocotber 3, 2005 by PP10 Hsiang-Te Ho
+//;
+//; Version 1.3b revision items: (Oct. 1, 2005 by HTHo) for FA5976A
+u32 w89rf242_rf_data[]     =
+{
+    (0x00<<24)|0xF86100, // 20060721 0xF86100, //; 3E184; MODA  (0x00) -- Normal mode ; calibration off
+    (0x01<<24)|0xEFFFC2, //; 3BFFF; MODB  (0x01) -- turn off RSSI, and other circuits are turned on
+    (0x02<<24)|0x102504, //; 04094; FSET  (0x02) -- default 20MHz crystal ; Icmp=1.5mA
+    (0x03<<24)|0x026286, //; 0098A; FCHN  (0x03) -- default CH7, 2442MHz
+    (0x04<<24)|0x000208, // 20060612.1.a 0x0002C8, // 20050818 // 20050816 0x000388
+						 //; 02008; FCAL  (0x04) -- XTAL Freq Trim=001000 (socket board#1); FA5976AYG_v1.3C
+    (0x05<<24)|0x24C60A, // 20060612.1.a 0x24C58A, // 941003 0x24C48A, // 20050818.2 0x24848A, // 20050818 // 20050816 0x24C48A
+						 //; 09316; GANA  (0x05) -- TX VGA default (TXVGA=0x18(12)) & TXGPK=110 ; FA5976A_1.3D
+    (0x06<<24)|0x3432CC, // 941003 0x26C34C, // 20050818 0x06B40C
+						 //; 0D0CB; GANB  (0x06) -- RXDC(DC offset) on; LNA=11; RXVGA=001011(11) ; RXFLSW=11(010001); RXGPK=00; RXGCF=00; -50dBm input
+    (0x07<<24)|0x0C68CE, // 20050818.2 0x0C66CE, // 20050818 // 20050816 0x0C68CE
+						 //; 031A3; FILT  (0x07) -- TX/RX filter with auto-tuning; TFLBW=011; RFLBW=100
+    (0x08<<24)|0x100010, //; 04000; TCAL  (0x08) -- //for LO
+    (0x09<<24)|0x004012, // 20060612.1.a 0x6E4012, // 0x004012,
+						 //; 1B900; RCALA (0x09) -- FASTS=11; HPDE=01 (100nsec); SEHP=1 (select B0 pin=RXHP); RXHP=1 (Turn on RXHP function)(FA5976A_1.3C)
+    (0x0A<<24)|0x704014, //; 1C100; RCALB (0x0A)
+    (0x0B<<24)|0x18BDD6, // 941003 0x1805D6, // 20050818.2 0x1801D6, // 20050818 // 20050816 0x1805D6
+						 //; 062F7; IQCAL (0x0B) -- Turn on LO phase tuner=0111 & RX-LO phase = 0111; FA5976A_1.3B (2005/09/29)
+    (0x0C<<24)|0x575558, // 20050818.2 0x555558, // 20050818 // 20050816 0x575558
+						 //; 15D55 ; IBSA  (0x0C) -- IFPre =11 ; TC5376A_v1.3A for corner
+    (0x0D<<24)|0x55545A, // 20060612.1.a 0x55555A,
+						 //; 15555 ; IBSB  (0x0D)
+    (0x0E<<24)|0x5557DC, // 20060612.1.a 0x55555C, // 941003 0x5557DC,
+						 //; 1555F ; IBSC  (0x0E) -- IRLNA & IRLNB (PTAT & Const current)=01/01; FA5976B_1.3F (2005/11/25)
+	(0x10<<24)|0x000C20, // 941003 0x000020, // 20050818
+						 //; 00030 ; TMODA (0x10) -- LNA_gain_step=0011 ; LNA=15/16dB
+	(0x11<<24)|0x0C0022, // 941003 0x030022  // 20050818.2 0x030022  // 20050818 // 20050816 0x0C0022
+						 //; 03000 ; TMODB (0x11) -- Turn ON RX-Q path Test Switch; To improve IQ path group delay (FA5976A_1.3C)
+	(0x12<<24)|0x000024  // 20060612.1.a 0x001824  // 941003 add
+						 //; TMODC (0x12) -- Turn OFF Tempearure sensor
+};
+
+u32 w89rf242_channel_data_24[][2] =
+{
+    {(0x03<<24)|0x025B06, (0x04<<24)|0x080408}, // channe1 01
+    {(0x03<<24)|0x025C46, (0x04<<24)|0x080408}, // channe1 02
+    {(0x03<<24)|0x025D86, (0x04<<24)|0x080408}, // channe1 03
+    {(0x03<<24)|0x025EC6, (0x04<<24)|0x080408}, // channe1 04
+    {(0x03<<24)|0x026006, (0x04<<24)|0x080408}, // channe1 05
+    {(0x03<<24)|0x026146, (0x04<<24)|0x080408}, // channe1 06
+    {(0x03<<24)|0x026286, (0x04<<24)|0x080408}, // channe1 07
+    {(0x03<<24)|0x0263C6, (0x04<<24)|0x080408}, // channe1 08
+    {(0x03<<24)|0x026506, (0x04<<24)|0x080408}, // channe1 09
+    {(0x03<<24)|0x026646, (0x04<<24)|0x080408}, // channe1 10
+    {(0x03<<24)|0x026786, (0x04<<24)|0x080408}, // channe1 11
+    {(0x03<<24)|0x0268C6, (0x04<<24)|0x080408}, // channe1 12
+    {(0x03<<24)|0x026A06, (0x04<<24)|0x080408}, // channe1 13
+    {(0x03<<24)|0x026D06, (0x04<<24)|0x080408}  // channe1 14
+};
+
+u32 w89rf242_power_data_24[] = {(0x05<<24)|0x24C48A, (0x05<<24)|0x24C48A, (0x05<<24)|0x24C48A};
+
+// 20060315.6 Enlarge for new scale
+// 20060316.6 20060619.2.a add mapping array
+u32 w89rf242_txvga_old_mapping[][2] =
+{
+	{0, 0} , // New <-> Old
+	{1, 1} ,
+	{2, 2} ,
+	{3, 3} ,
+	{4, 4} ,
+	{6, 5} ,
+	{8, 6 },
+	{10, 7 },
+	{12, 8 },
+	{14, 9 },
+	{16, 10},
+	{18, 11},
+	{20, 12},
+	{22, 13},
+	{24, 14},
+	{26, 15},
+	{28, 16},
+	{30, 17},
+	{32, 18},
+	{34, 19},
+
+
+};
+
+// 20060619.3 modify from Bruce's mail
+u32 w89rf242_txvga_data[][5] =
+{
+	//low gain mode
+	{ (0x05<<24)|0x24C00A, 0, 0x00292315, 0x0800FEFF, 0x52523131 },//  ; min gain
+	{ (0x05<<24)|0x24C80A, 1, 0x00292315, 0x0800FEFF, 0x52523131 },
+	{ (0x05<<24)|0x24C04A, 2, 0x00292315, 0x0800FEFF, 0x52523131 },//  (default) +14dBm (ANT)
+	{ (0x05<<24)|0x24C84A, 3, 0x00292315, 0x0800FEFF, 0x52523131 },
+
+	//TXVGA=0x10
+	{ (0x05<<24)|0x24C40A, 4, 0x00292315, 0x0800FEFF, 0x60603838 },
+	{ (0x05<<24)|0x24C40A, 5, 0x00262114, 0x0700FEFF, 0x65653B3B },
+
+	//TXVGA=0x11
+	{ (0x05<<24)|0x24C44A, 6, 0x00241F13, 0x0700FFFF, 0x58583333 },
+	{ (0x05<<24)|0x24C44A, 7, 0x00292315, 0x0800FEFF, 0x5E5E3737 },
+
+	//TXVGA=0x12
+	{ (0x05<<24)|0x24C48A, 8, 0x00262114, 0x0700FEFF, 0x53533030 },
+	{ (0x05<<24)|0x24C48A, 9, 0x00241F13, 0x0700FFFF, 0x59593434 },
+
+	//TXVGA=0x13
+	{ (0x05<<24)|0x24C4CA, 10, 0x00292315, 0x0800FEFF, 0x52523030 },
+	{ (0x05<<24)|0x24C4CA, 11, 0x00262114, 0x0700FEFF, 0x56563232 },
+
+	//TXVGA=0x14
+	{ (0x05<<24)|0x24C50A, 12, 0x00292315, 0x0800FEFF, 0x54543131 },
+	{ (0x05<<24)|0x24C50A, 13, 0x00262114, 0x0700FEFF, 0x58583434 },
+
+	//TXVGA=0x15
+	{ (0x05<<24)|0x24C54A, 14, 0x00292315, 0x0800FEFF, 0x54543131 },
+	{ (0x05<<24)|0x24C54A, 15, 0x00262114, 0x0700FEFF, 0x59593434 },
+
+	//TXVGA=0x16
+	{ (0x05<<24)|0x24C58A, 16, 0x00292315, 0x0800FEFF, 0x55553131 },
+	{ (0x05<<24)|0x24C58A, 17, 0x00292315, 0x0800FEFF, 0x5B5B3535 },
+
+	//TXVGA=0x17
+	{ (0x05<<24)|0x24C5CA, 18, 0x00262114, 0x0700FEFF, 0x51512F2F },
+	{ (0x05<<24)|0x24C5CA, 19, 0x00241F13, 0x0700FFFF, 0x55553131 },
+
+	//TXVGA=0x18
+	{ (0x05<<24)|0x24C60A, 20, 0x00292315, 0x0800FEFF, 0x4F4F2E2E },
+	{ (0x05<<24)|0x24C60A, 21, 0x00262114, 0x0700FEFF, 0x53533030 },
+
+	//TXVGA=0x19
+	{ (0x05<<24)|0x24C64A, 22, 0x00292315, 0x0800FEFF, 0x4E4E2D2D },
+	{ (0x05<<24)|0x24C64A, 23, 0x00262114, 0x0700FEFF, 0x53533030 },
+
+	//TXVGA=0x1A
+	{ (0x05<<24)|0x24C68A, 24, 0x00292315, 0x0800FEFF, 0x50502E2E },
+	{ (0x05<<24)|0x24C68A, 25, 0x00262114, 0x0700FEFF, 0x55553131 },
+
+	//TXVGA=0x1B
+	{ (0x05<<24)|0x24C6CA, 26, 0x00262114, 0x0700FEFF, 0x53533030 },
+	{ (0x05<<24)|0x24C6CA, 27, 0x00292315, 0x0800FEFF, 0x5A5A3434 },
+
+	//TXVGA=0x1C
+	{ (0x05<<24)|0x24C70A, 28, 0x00292315, 0x0800FEFF, 0x55553131 },
+	{ (0x05<<24)|0x24C70A, 29, 0x00292315, 0x0800FEFF, 0x5D5D3636 },
+
+	//TXVGA=0x1D
+	{ (0x05<<24)|0x24C74A, 30, 0x00292315, 0x0800FEFF, 0x5F5F3737 },
+	{ (0x05<<24)|0x24C74A, 31, 0x00262114, 0x0700FEFF, 0x65653B3B },
+
+	//TXVGA=0x1E
+	{ (0x05<<24)|0x24C78A, 32, 0x00292315, 0x0800FEFF, 0x66663B3B },
+	{ (0x05<<24)|0x24C78A, 33, 0x00262114, 0x0700FEFF, 0x70704141 },
+
+	//TXVGA=0x1F
+	{ (0x05<<24)|0x24C7CA, 34, 0x00292315, 0x0800FEFF, 0x72724242 }
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
+//=============================================================================================================
+//  Uxx_ReadEthernetAddress --
+//
+//  Routine Description:
+//    Reads in the Ethernet address from the IC.
+//
+//  Arguments:
+//    pHwData        - The pHwData structure
+//
+//  Return Value:
+//
+//    The address is stored in EthernetIDAddr.
+//=============================================================================================================
+void
+Uxx_ReadEthernetAddress(  phw_data_t pHwData )
+{
+	u32	ltmp;
+
+	// Reading Ethernet address from EEPROM and set into hardware due to MAC address maybe change.
+	// Only unplug and plug again can make hardware read EEPROM again. 20060727
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08000000 ); // Start EEPROM access + Read + address(0x0d)
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
+	*(PUSHORT)pHwData->PermanentMacAddress = cpu_to_le16((u16)ltmp); //20060926 anson's endian
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08010000 ); // Start EEPROM access + Read + address(0x0d)
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
+	*(PUSHORT)(pHwData->PermanentMacAddress + 2) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
+	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08020000 ); // Start EEPROM access + Read + address(0x0d)
+	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
+	*(PUSHORT)(pHwData->PermanentMacAddress + 4) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
+	*(PUSHORT)(pHwData->PermanentMacAddress + 6) = 0;
+	Wb35Reg_WriteSync( pHwData, 0x03e8, cpu_to_le32(*(PULONG)pHwData->PermanentMacAddress) ); //20060926 anson's endian
+	Wb35Reg_WriteSync( pHwData, 0x03ec, cpu_to_le32(*(PULONG)(pHwData->PermanentMacAddress+4)) ); //20060926 anson's endian
+}
+
+
+//===============================================================================================================
+//  CardGetMulticastBit --
+//  Description:
+//    For a given multicast address, returns the byte and bit in the card multicast registers that it hashes to.
+//    Calls CardComputeCrc() to determine the CRC value.
+//  Arguments:
+//    Address - the address
+//    Byte - the byte that it hashes to
+//    Value - will have a 1 in the relevant bit
+//  Return Value:
+//    None.
+//==============================================================================================================
+void CardGetMulticastBit(   u8 Address[ETH_LENGTH_OF_ADDRESS],
+						   u8 *Byte,  u8 *Value )
+{
+    u32 Crc;
+    u32 BitNumber;
+
+    // First compute the CRC.
+    Crc = CardComputeCrc(Address, ETH_LENGTH_OF_ADDRESS);
+
+	// The computed CRC is bit0~31 from left to right
+	//At first we should do right shift 25bits, and read 7bits by using '&', 2^7=128
+	BitNumber = (u32) ((Crc >> 26) & 0x3f);
+
+	*Byte  = (u8) (BitNumber >> 3);// 900514 original (BitNumber / 8)
+	*Value = (u8) ((u8)1 << (BitNumber % 8));
+}
+
+void Uxx_power_on_procedure(  phw_data_t pHwData )
+{
+	u32	ltmp, loop;
+
+	if( pHwData->phy_type <= RF_MAXIM_V1 )
+		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xffffff38 );
+	else
+	{
+		Wb35Reg_WriteSync( pHwData, 0x03f4, 0xFF5807FF );// 20060721 For NEW IC 0xFF5807FF
+
+		// 20060511.1 Fix the following 4 steps for Rx of RF 2230 initial fail
+		Wb35Reg_WriteSync( pHwData, 0x03d4, 0x80 );// regulator on only
+		OS_SLEEP(10000); // Modify 20051221.1.b
+		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xb8 );// REG_ON RF_RSTN on, and
+		OS_SLEEP(10000); // Modify 20051221.1.b
+
+		ltmp = 0x4968;
+		if( (pHwData->phy_type == RF_WB_242) ||
+			(RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add
+			ltmp = 0x4468;
+		Wb35Reg_WriteSync( pHwData, 0x03d0, ltmp );
+
+		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xa0 );// PLL_PD REF_PD set to 0
+
+		OS_SLEEP(20000); // Modify 20051221.1.b
+		Wb35Reg_ReadSync( pHwData, 0x03d0, &ltmp );
+		loop = 500; // Wait for 5 second 20061101
+		while( !(ltmp & 0x20) && loop-- )
+		{
+			OS_SLEEP(10000); // Modify 20051221.1.b
+			if( !Wb35Reg_ReadSync( pHwData, 0x03d0, &ltmp ) )
+				break;
+		}
+
+		Wb35Reg_WriteSync( pHwData, 0x03d4, 0xe0 );// MLK_EN
+	}
+
+	Wb35Reg_WriteSync( pHwData, 0x03b0, 1 );// Reset hardware first
+	OS_SLEEP(10000); // Add this 20051221.1.b
+
+	// Set burst write delay
+	Wb35Reg_WriteSync( pHwData, 0x03f8, 0x7ff );
+}
+
+void Set_ChanIndep_RfData_al7230_24(  phw_data_t pHwData, u32 *pltmp ,char number)
+{
+	u8	i;
+
+	for( i=0; i<number; i++ )
+	{
+		pHwData->phy_para[i] = al7230_rf_data_24[i];
+		pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_24[i]&0xffffff);
+	}
+}
+
+void Set_ChanIndep_RfData_al7230_50(  phw_data_t pHwData, u32 *pltmp, char number)
+{
+	u8	i;
+
+	for( i=0; i<number; i++ )
+	{
+		pHwData->phy_para[i] = al7230_rf_data_50[i];
+		pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_rf_data_50[i]&0xffffff);
+	}
+}
+
+
+//=============================================================================================================
+// RFSynthesizer_initial --
+//=============================================================================================================
+void
+RFSynthesizer_initial(phw_data_t pHwData)
+{
+	u32	altmp[32];
+	PULONG	pltmp = altmp;
+	u32	ltmp;
+	u8	number=0x00; // The number of register vale
+	u8	i;
+
+	//
+	// bit[31]      SPI Enable.
+	//              1=perform synthesizer program operation. This bit will
+	//              cleared automatically after the operation is completed.
+	// bit[30]      SPI R/W Control
+	//              0=write,    1=read
+	// bit[29:24]   SPI Data Format Length
+	// bit[17:4 ]   RF Data bits.
+	// bit[3 :0 ]   RF address.
+	switch( pHwData->phy_type )
+	{
+	case RF_MAXIM_2825:
+	case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331)
+		number = sizeof(max2825_rf_data)/sizeof(max2825_rf_data[0]);
+		for( i=0; i<number; i++ )
+		{
+			pHwData->phy_para[i] = max2825_rf_data[i];// Backup Rf parameter
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_rf_data[i], 18);
+		}
+		break;
+
+	case RF_MAXIM_2827:
+		number = sizeof(max2827_rf_data)/sizeof(max2827_rf_data[0]);
+		for( i=0; i<number; i++ )
+		{
+			pHwData->phy_para[i] = max2827_rf_data[i];
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_rf_data[i], 18);
+		}
+		break;
+
+	case RF_MAXIM_2828:
+		number = sizeof(max2828_rf_data)/sizeof(max2828_rf_data[0]);
+		for( i=0; i<number; i++ )
+		{
+			pHwData->phy_para[i] = max2828_rf_data[i];
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_rf_data[i], 18);
+		}
+		break;
+
+	case RF_MAXIM_2829:
+		number = sizeof(max2829_rf_data)/sizeof(max2829_rf_data[0]);
+		for( i=0; i<number; i++ )
+		{
+			pHwData->phy_para[i] = max2829_rf_data[i];
+			pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_rf_data[i], 18);
+		}
+		break;
+
+	case RF_AIROHA_2230:
+		number = sizeof(al2230_rf_data)/sizeof(al2230_rf_data[0]);
+		for( i=0; i<number; i++ )
+		{
+			pHwData->phy_para[i] = al2230_rf_data[i];
+			pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_rf_data[i], 20);
+		}
+		break;
+
+	case RF_AIROHA_2230S:
+		number = sizeof(al2230s_rf_data)/sizeof(al2230s_rf_data[0]);
+		for( i=0; i<number; i++ )
+		{
+			pHwData->phy_para[i] = al2230s_rf_data[i];
+			pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230s_rf_data[i], 20);
+		}
+		break;
+
+	case RF_AIROHA_7230:
+
+		//Start to fill RF parameters, PLL_ON should be pulled low.
+		Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000000 );
+#ifdef _PE_STATE_DUMP_
+		WBDEBUG(("* PLL_ON    low\n"));
+#endif
+
+		number = sizeof(al7230_rf_data_24)/sizeof(al7230_rf_data_24[0]);
+		Set_ChanIndep_RfData_al7230_24(pHwData, pltmp, number);
+		break;
+
+	case RF_WB_242:
+	case RF_WB_242_1: // 20060619.5 Add
+		number = sizeof(w89rf242_rf_data)/sizeof(w89rf242_rf_data[0]);
+		for( i=0; i<number; i++ )
+		{
+			ltmp = w89rf242_rf_data[i];
+			if( i == 4 ) // Update the VCO trim from EEPROM
+			{
+				ltmp &= ~0xff0; // Mask bit4 ~bit11
+				ltmp |= pHwData->VCO_trim<<4;
+			}
+
+			pHwData->phy_para[i] = ltmp;
+			pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( ltmp, 24);
+		}
+		break;
+	}
+
+	pHwData->phy_number = number;
+
+	 // The 16 is the maximum capability of hardware. Here use 12
+	if( number > 12 ) {
+		//Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 12, NO_INCREMENT );
+		for( i=0; i<12; i++ ) // For Al2230
+			Wb35Reg_WriteSync( pHwData, 0x0864, pltmp[i] );
+
+		pltmp += 12;
+		number -= 12;
+	}
+
+	// Write to register. number must less and equal than 16
+	for( i=0; i<number; i++ )
+		Wb35Reg_WriteSync( pHwData, 0x864, pltmp[i] );
+
+	// 20060630.1 Calibration only 1 time
+	if( pHwData->CalOneTime )
+		return;
+	pHwData->CalOneTime = 1;
+
+	switch( pHwData->phy_type )
+	{
+		case RF_AIROHA_2230:
+
+			// 20060511.1 --- Modifying the follow step for Rx issue-----------------
+			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x07<<20)|0xE168E, 20);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(10000);
+			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_rf_data[7], 20);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(10000);
+
+		case RF_AIROHA_2230S: // 20060420 Add this
+
+			// 20060511.1 --- Modifying the follow step for Rx issue-----------------
+			Wb35Reg_WriteSync( pHwData, 0x03d4, 0x80 );// regulator on only
+			OS_SLEEP(10000); // Modify 20051221.1.b
+
+			Wb35Reg_WriteSync( pHwData, 0x03d4, 0xa0 );// PLL_PD REF_PD set to 0
+			OS_SLEEP(10000); // Modify 20051221.1.b
+
+			Wb35Reg_WriteSync( pHwData, 0x03d4, 0xe0 );// MLK_EN
+			Wb35Reg_WriteSync( pHwData, 0x03b0, 1 );// Reset hardware first
+			OS_SLEEP(10000); // Add this 20051221.1.b
+			//------------------------------------------------------------------------
+
+			// The follow code doesn't use the burst-write mode
+			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01A0); //Raise Initial Setting
+			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01A0, 20);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			ltmp = pHwData->Wb35Reg.BB5C & 0xfffff000;
+			Wb35Reg_WriteSync( pHwData, 0x105c, ltmp );
+			pHwData->Wb35Reg.BB50 |= 0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START);//20060315.1 modify
+        	Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50);
+			OS_SLEEP(5000);
+
+			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01B0); //Activate Filter Cal.
+			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01B0, 20);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+
+			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01e0); //Activate TX DCC
+			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01E0, 20);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+
+			//phy_set_rf_data(phw_data, 0x0F, (0x0F<<20) | 0xF01A0); //Resotre Initial Setting
+			ltmp = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( (0x0F<<20) | 0xF01A0, 20);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+//			//Force TXI(Q)P(N) to normal control
+			Wb35Reg_WriteSync( pHwData, 0x105c, pHwData->Wb35Reg.BB5C );
+			pHwData->Wb35Reg.BB50 &= ~0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START);
+        	Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50);
+			break;
+
+		case RF_AIROHA_7230:
+
+			//RF parameters have filled completely, PLL_ON should be
+			//pulled high
+			Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000080 );
+			#ifdef _PE_STATE_DUMP_
+			WBDEBUG(("* PLL_ON    high\n"));
+			#endif
+
+			//2.4GHz
+			//ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F;
+			//Wb35Reg_WriteSync pHwData, 0x0864, ltmp );
+			//OS_SLEEP(1000); // Sleep 1 ms
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x1ABA8F;
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+
+			//5GHz
+			Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000000 );
+			#ifdef _PE_STATE_DUMP_
+			WBDEBUG(("* PLL_ON    low\n"));
+			#endif
+
+			number = sizeof(al7230_rf_data_50)/sizeof(al7230_rf_data_50[0]);
+			Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number);
+			// Write to register. number must less and equal than 16
+			for( i=0; i<number; i++ )
+				Wb35Reg_WriteSync( pHwData, 0x0864, pltmp[i] );
+			OS_SLEEP(5000);
+
+			Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000080 );
+			#ifdef _PE_STATE_DUMP_
+			WBDEBUG(("* PLL_ON    high\n"));
+			#endif
+
+			//ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x12BACF;
+			//Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x9ABA8F;
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x3ABA8F;
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x12BACF;
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000);
+
+			//Wb35Reg_WriteSync( pHwData, 0x03dc, 0x00000080 );
+			//WBDEBUG(("* PLL_ON    high\n"));
+			break;
+
+		case RF_WB_242:
+		case RF_WB_242_1: // 20060619.5 Add
+
+			//
+			// ; Version 1.3B revision items: for FA5976A , October 3, 2005 by HTHo
+			//
+			ltmp = pHwData->Wb35Reg.BB5C & 0xfffff000;
+			Wb35Reg_WriteSync( pHwData, 0x105c, ltmp );
+			Wb35Reg_WriteSync( pHwData, 0x1058, 0 );
+			pHwData->Wb35Reg.BB50 |= 0x3;//(MASK_IQCAL_MODE|MASK_CALIB_START);//20060630
+	      	Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50);
+
+			//----- Calibration (1). VCO frequency calibration
+			//Calibration (1a.0). Synthesizer reset (HTHo corrected 2005/05/10)
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00101E, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP( 5000 ); // Sleep 5ms
+			//Calibration (1a). VCO frequency calibration mode ; waiting 2msec VCO calibration time
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFE69c0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP( 2000 ); // Sleep 2ms
+
+			//----- Calibration (2). TX baseband Gm-C filter auto-tuning
+			//Calibration (2a). turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF8EBC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (2b.0). TX filter auto-tuning BW: TFLBW=101 (TC5376A default)
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x07<<24) | 0x0C68CE, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (2b). send TX reset signal (HTHo corrected May 10, 2005)
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00201E, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (2c). turn-on TX Gm-C filter auto-tuning
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFCEBC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP( 150 ); // Sleep 150 us
+			//turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF8EBC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			//----- Calibration (3). RX baseband Gm-C filter auto-tuning
+			//Calibration (3a). turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (3b.0). RX filter auto-tuning BW: RFLBW=100 (TC5376A+corner default; July 26, 2005)
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x07<<24) | 0x0C68CE, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (3b). send RX reset signal (HTHo corrected May 10, 2005)
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x0F<<24) | 0x00401E, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (3c). turn-on RX Gm-C filter auto-tuning
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFEEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP( 150 ); // Sleep 150 us
+			//Calibration (3e). turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			//----- Calibration (4). TX LO leakage calibration
+			//Calibration (4a). TX LO leakage calibration
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFD6BC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP( 150 ); // Sleep 150 us
+
+			//----- Calibration (5). RX DC offset calibration
+			//Calibration (5a). turn off ENCAL signal and set to RX SW DC caliration mode
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (5b). turn off AGC servo-loop & RSSI
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x01<<24) | 0xEBFFC2, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			//; for LNA=11 --------
+			//Calibration (5c-h). RX DC offset current bias ON; & LNA=11; RXVGA=111111
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x343FCC, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(2000); // Sleep 2ms
+			//Calibration (5f). turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			//; for LNA=10 --------
+			//Calibration (5c-m). RX DC offset current bias ON; & LNA=10; RXVGA=111111
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x342FCC, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(2000); // Sleep 2ms
+			//Calibration (5f). turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			//; for LNA=01 --------
+			//Calibration (5c-m). RX DC offset current bias ON; & LNA=01; RXVGA=111111
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x341FCC, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(2000); // Sleep 2ms
+			//Calibration (5f). turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			//; for LNA=00 --------
+			//Calibration (5c-l). RX DC offset current bias ON; & LNA=00; RXVGA=111111
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x06<<24) | 0x340FCC, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (5d). turn on RX DC offset cal function; and waiting 2 msec cal time
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFF6DC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(2000); // Sleep 2ms
+			//Calibration (5f). turn off ENCAL signal
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xFAEDC0, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			//Calibration (5g). turn on AGC servo-loop
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x01<<24) | 0xEFFFC2, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+
+			//; ----- Calibration (7). Switch RF chip to normal mode
+			//0x00 0xF86100 ; 3E184   ; Switch RF chip to normal mode
+//			OS_SLEEP(10000); // @@ 20060721
+			ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( (0x00<<24) | 0xF86100, 24);
+			Wb35Reg_WriteSync( pHwData, 0x0864, ltmp );
+			OS_SLEEP(5000); // Sleep 5 ms
+
+//			//write back
+//			Wb35Reg_WriteSync( pHwData, 0x105c, pHwData->Wb35Reg.BB5C );
+//			pHwData->Wb35Reg.BB50 &= ~0x13;//(MASK_IQCAL_MODE|MASK_CALIB_START); // 20060315.1 fix
+//      	Wb35Reg_WriteSync( pHwData, 0x1050, pHwData->Wb35Reg.BB50);
+//			OS_SLEEP(1000); // Sleep 1 ms
+			break;
+	}
+}
+
+void BBProcessor_AL7230_2400(  phw_data_t pHwData)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	u32	pltmp[12];
+
+	pltmp[0] = 0x16A8337A; // 0x16a5215f; // 0x1000 AGC_Ctrl1
+	pltmp[1] = 0x9AFF9AA6; // 0x9aff9ca6; // 0x1004 AGC_Ctrl2
+	pltmp[2] = 0x55D00A04; // 0x55d00a04; // 0x1008 AGC_Ctrl3
+	pltmp[3] = 0xFFF72031; // 0xFfFf2138; // 0x100c AGC_Ctrl4
+	pWb35Reg->BB0C = 0xFFF72031;
+	pltmp[4] = 0x0FacDCC5; // 0x1010 AGC_Ctrl5 // 20050927 0x0FacDCB7
+	pltmp[5] = 0x00CAA333; // 0x00eaa333; // 0x1014 AGC_Ctrl6
+	pltmp[6] = 0xF2211111; // 0x11111111; // 0x1018 AGC_Ctrl7
+	pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+	pltmp[8] = 0x06443440; // 0x1020 AGC_Ctrl9
+	pltmp[9] = 0xA8002A79; // 0xa9002A79; // 0x1024 AGC_Ctrl10
+	pltmp[10] = 0x40000528; // 20050927 0x40000228
+	pltmp[11] = 0x232D7F30; // 0x23457f30;// 0x102c A_ACQ_Ctrl
+	pWb35Reg->BB2C = 0x232D7F30;
+	Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+	pltmp[0] = 0x00002c54; // 0x1030 B_ACQ_Ctrl
+	pWb35Reg->BB30 = 0x00002c54;
+	pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+	pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
+	pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+	pWb35Reg->BB3C = 0x00000000;
+	pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+	pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+	pltmp[6] = 0x00332C1B; // 0x00453B24; // 0x1048 11b TX RC filter
+	pltmp[7] = 0x0A00FEFF; // 0x0E00FEFF; // 0x104c 11b TX RC filter
+	pltmp[8] = 0x2B106208; // 0x1050 MODE_Ctrl
+	pWb35Reg->BB50 = 0x2B106208;
+	pltmp[9] = 0; // 0x1054
+	pWb35Reg->BB54 = 0x00000000;
+	pltmp[10] = 0x52524242; // 0x64645252; // 0x1058 IQ_Alpha
+	pWb35Reg->BB58 = 0x52524242;
+	pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
+	Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+}
+
+void BBProcessor_AL7230_5000(  phw_data_t pHwData)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	u32	pltmp[12];
+
+	pltmp[0] = 0x16AA6678; // 0x1000 AGC_Ctrl1
+	pltmp[1] = 0x9AFFA0B2; // 0x1004 AGC_Ctrl2
+	pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3
+	pltmp[3] = 0xEFFF233E; // 0x100c AGC_Ctrl4
+	pWb35Reg->BB0C = 0xEFFF233E;
+	pltmp[4] = 0x0FacDCC5; // 0x1010 AGC_Ctrl5 // 20050927 0x0FacDCB7
+	pltmp[5] = 0x00CAA333; // 0x1014 AGC_Ctrl6
+	pltmp[6] = 0xF2432111; // 0x1018 AGC_Ctrl7
+	pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+	pltmp[8] = 0x05C43440; // 0x1020 AGC_Ctrl9
+	pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
+	pltmp[10] = 0x40000528; // 20050927 0x40000228
+	pltmp[11] = 0x232FDF30;// 0x102c A_ACQ_Ctrl
+	pWb35Reg->BB2C = 0x232FDF30;
+	Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+	pltmp[0] = 0x80002C7C; // 0x1030 B_ACQ_Ctrl
+	pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+	pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
+	pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+	pWb35Reg->BB3C = 0x00000000;
+	pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+	pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+	pltmp[6] = 0x00332C1B; // 0x1048 11b TX RC filter
+	pltmp[7] = 0x0A00FEFF; // 0x104c 11b TX RC filter
+	pltmp[8] = 0x2B107208; // 0x1050 MODE_Ctrl
+	pWb35Reg->BB50 = 0x2B107208;
+	pltmp[9] = 0; // 0x1054
+	pWb35Reg->BB54 = 0x00000000;
+	pltmp[10] = 0x52524242; // 0x1058 IQ_Alpha
+	pWb35Reg->BB58 = 0x52524242;
+	pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
+	Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+}
+
+//=============================================================================================================
+//  BBProcessorPowerupInit --
+//
+//  Description:
+//    Initialize the Baseband processor.
+//
+//  Arguments:
+//    pHwData    - Handle of the USB Device.
+//
+//  Return values:
+//    None.
+//=============================================================================================================
+void
+BBProcessor_initial(  phw_data_t pHwData )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	u32	i, pltmp[12];
+
+    switch( pHwData->phy_type )
+    {
+		case RF_MAXIM_V1: // Initializng the Winbond 2nd BB(with Phy board (v1) + Maxim 331)
+
+			pltmp[0] = 0x16F47E77; // 0x1000 AGC_Ctrl1
+			pltmp[1] = 0x9AFFAEA4; // 0x1004 AGC_Ctrl2
+			pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3
+			pltmp[3] = 0xEFFF1A34; // 0x100c AGC_Ctrl4
+			pWb35Reg->BB0C = 0xEFFF1A34;
+			pltmp[4] = 0x0FABE0B7; // 0x1010 AGC_Ctrl5
+			pltmp[5] = 0x00CAA332; // 0x1014 AGC_Ctrl6
+			pltmp[6] = 0xF6632111; // 0x1018 AGC_Ctrl7
+			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+			pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9
+			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
+			pltmp[10] = (pHwData->phy_type==3) ? 0x40000a28 : 0x40000228; // 0x1028 MAXIM_331(b31=0) + WBRF_V1(b11=1) : MAXIM_331(b31=0) + WBRF_V2(b11=0)
+			pltmp[11] = 0x232FDF30; // 0x102c A_ACQ_Ctrl
+			pWb35Reg->BB2C = 0x232FDF30; //Modify for 33's 1.0.95.xxx version, antenna 1
+			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
+			pWb35Reg->BB30 = 0x00002C54;
+			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+			pltmp[2] = 0x5B6C8769; // 0x1038 B_TXRX_Ctrl
+			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+			pWb35Reg->BB3C = 0x00000000;
+			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+			pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter
+			pltmp[7] = 0x0E00FEFF; // 0x104c 11b TX RC filter
+			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
+			pWb35Reg->BB50 = 0x27106208;
+			pltmp[9] = 0; // 0x1054
+			pWb35Reg->BB54 = 0x00000000;
+			pltmp[10] = 0x64646464; // 0x1058 IQ_Alpha
+			pWb35Reg->BB58 = 0x64646464;
+			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
+			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
+			break;
+
+		//------------------------------------------------------------------
+		//[20040722 WK]
+		//Only for baseband version 2
+//		case RF_MAXIM_317:
+		case RF_MAXIM_2825:
+		case RF_MAXIM_2827:
+		case RF_MAXIM_2828:
+
+			pltmp[0] = 0x16b47e77; // 0x1000 AGC_Ctrl1
+			pltmp[1] = 0x9affaea4; // 0x1004 AGC_Ctrl2
+			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
+			pltmp[3] = 0xefff1a34; // 0x100c AGC_Ctrl4
+			pWb35Reg->BB0C = 0xefff1a34;
+			pltmp[4] = 0x0fabe0b7; // 0x1010 AGC_Ctrl5
+			pltmp[5] = 0x00caa332; // 0x1014 AGC_Ctrl6
+			pltmp[6] = 0xf6632111; // 0x1018 AGC_Ctrl7
+			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+			pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9
+			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
+			pltmp[10] = 0x40000528; // 0x40000128; Modify for 33's 1.0.95
+			pltmp[11] = 0x232fdf30; // 0x102c A_ACQ_Ctrl
+			pWb35Reg->BB2C = 0x232fdf30; //Modify for 33's 1.0.95.xxx version, antenna 1
+			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
+			pWb35Reg->BB30 = 0x00002C54;
+			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+			pltmp[2] = 0x5B6C8769; // 0x1038 B_TXRX_Ctrl
+			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+			pWb35Reg->BB3C = 0x00000000;
+			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+			pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter
+			pltmp[7] = 0x0D00FDFF; // 0x104c 11b TX RC filter
+			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
+			pWb35Reg->BB50 = 0x27106208;
+			pltmp[9] = 0; // 0x1054
+			pWb35Reg->BB54 = 0x00000000;
+			pltmp[10] = 0x64646464; // 0x1058 IQ_Alpha
+			pWb35Reg->BB58 = 0x64646464;
+			pltmp[11] = 0xAA28C000; // 0x105c DC_Cancel
+			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
+			break;
+
+		case RF_MAXIM_2829:
+
+			pltmp[0] = 0x16b47e77; // 0x1000 AGC_Ctrl1
+			pltmp[1] = 0x9affaea4; // 0x1004 AGC_Ctrl2
+			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
+			pltmp[3] = 0xf4ff1632; // 0xefff1a34; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95
+			pWb35Reg->BB0C = 0xf4ff1632; // 0xefff1a34; Modify for 33's 1.0.95
+			pltmp[4] = 0x0fabe0b7; // 0x1010 AGC_Ctrl5
+			pltmp[5] = 0x00caa332; // 0x1014 AGC_Ctrl6
+			pltmp[6] = 0xf8632112; // 0xf6632111; // 0x1018 AGC_Ctrl7 Modify for 33's 1.0.95
+			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+			pltmp[8] = 0x04CC3640; // 0x1020 AGC_Ctrl9
+			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
+			pltmp[10] = 0x40000528; // 0x40000128; modify for 33's 1.0.95
+			pltmp[11] = 0x232fdf30; // 0x102c A_ACQ_Ctrl
+			pWb35Reg->BB2C = 0x232fdf30; //Modify for 33's 1.0.95.xxx version, antenna 1
+			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
+			pWb35Reg->BB30 = 0x00002C54;
+			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+			pltmp[2] = 0x5b2c8769; // 0x5B6C8769; // 0x1038 B_TXRX_Ctrl Modify for 33's 1.0.95
+			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+			pWb35Reg->BB3C = 0x00000000;
+			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+			pltmp[6] = 0x002c2617; // 0x00453B24; // 0x1048 11b TX RC filter Modify for 33's 1.0.95
+			pltmp[7] = 0x0800feff; // 0x0D00FDFF; // 0x104c 11b TX RC filter Modify for 33's 1.0.95
+			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
+			pWb35Reg->BB50 = 0x27106208;
+			pltmp[9] = 0; // 0x1054
+			pWb35Reg->BB54 = 0x00000000;
+			pltmp[10] = 0x64644a4a; // 0x64646464; // 0x1058 IQ_Alpha Modify for 33's 1.0.95
+			pWb35Reg->BB58 = 0x64646464;
+			pltmp[11] = 0xAA28C000; // 0x105c DC_Cancel
+			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
+			break;
+
+		case RF_AIROHA_2230:
+
+			pltmp[0] = 0X16764A77; // 0x1000 AGC_Ctrl1		//0x16765A77
+			pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2
+			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
+			pltmp[3] = 0xFFFd203c; // 0xFFFb203a; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95.xxx version
+			pWb35Reg->BB0C = 0xFFFd203c;
+			pltmp[4] = 0X0FBFDCc5; // 0X0FBFDCA0; // 0x1010 AGC_Ctrl5 //0x0FB2E0B7 Modify for 33's 1.0.95.xxx version
+			pltmp[5] = 0x00caa332; // 0x00caa333; // 0x1014 AGC_Ctrl6 Modify for 33's 1.0.95.xxx version
+			pltmp[6] = 0XF6632111; // 0XF1632112; // 0x1018 AGC_Ctrl7		//0xf6632112 Modify for 33's 1.0.95.xxx version
+			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+			pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9
+			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
+			pltmp[10] = 0X40000528;							//0x40000228
+			pltmp[11] = 0x232dfF30; // 0x232A9F30; // 0x102c A_ACQ_Ctrl	//0x232a9730
+			pWb35Reg->BB2C = 0x232dfF30; //Modify for 33's 1.0.95.xxx version, antenna 1
+			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
+			pWb35Reg->BB30 = 0x00002C54;
+			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl	//0x5B6C8769
+			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+			pWb35Reg->BB3C = 0x00000000;
+			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+			pltmp[6] = BB48_DEFAULT_AL2230_11G; // 0x1048 11b TX RC filter 20060613.2
+			pWb35Reg->BB48 = BB48_DEFAULT_AL2230_11G; // 20051221 ch14 20060613.2
+			pltmp[7] = BB4C_DEFAULT_AL2230_11G; // 0x104c 11b TX RC filter 20060613.2
+			pWb35Reg->BB4C = BB4C_DEFAULT_AL2230_11G; // 20060613.1 20060613.2
+			pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl
+			pWb35Reg->BB50 = 0x27106200;
+			pltmp[9] = 0; // 0x1054
+			pWb35Reg->BB54 = 0x00000000;
+			pltmp[10] = 0x52524242; // 0x1058 IQ_Alpha
+			pWb35Reg->BB58 = 0x52524242;
+			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
+			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
+			break;
+
+		case RF_AIROHA_2230S: // 20060420 Add this
+
+			pltmp[0] = 0X16764A77; // 0x1000 AGC_Ctrl1		//0x16765A77
+			pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2
+			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
+			pltmp[3] = 0xFFFd203c; // 0xFFFb203a; // 0x100c AGC_Ctrl4 Modify for 33's 1.0.95.xxx version
+			pWb35Reg->BB0C = 0xFFFd203c;
+			pltmp[4] = 0X0FBFDCc5; // 0X0FBFDCA0; // 0x1010 AGC_Ctrl5 //0x0FB2E0B7 Modify for 33's 1.0.95.xxx version
+			pltmp[5] = 0x00caa332; // 0x00caa333; // 0x1014 AGC_Ctrl6 Modify for 33's 1.0.95.xxx version
+			pltmp[6] = 0XF6632111; // 0XF1632112; // 0x1018 AGC_Ctrl7		//0xf6632112 Modify for 33's 1.0.95.xxx version
+			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+			pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9
+			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
+			pltmp[10] = 0X40000528;							//0x40000228
+			pltmp[11] = 0x232dfF30; // 0x232A9F30; // 0x102c A_ACQ_Ctrl	//0x232a9730
+			pWb35Reg->BB2C = 0x232dfF30; //Modify for 33's 1.0.95.xxx version, antenna 1
+			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
+			pWb35Reg->BB30 = 0x00002C54;
+			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl	//0x5B6C8769
+			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+			pWb35Reg->BB3C = 0x00000000;
+			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+			pltmp[6] = BB48_DEFAULT_AL2230_11G; // 0x1048 11b TX RC filter 20060613.2
+			pWb35Reg->BB48 = BB48_DEFAULT_AL2230_11G; // 20051221 ch14 20060613.2
+			pltmp[7] = BB4C_DEFAULT_AL2230_11G; // 0x104c 11b TX RC filter 20060613.2
+			pWb35Reg->BB4C = BB4C_DEFAULT_AL2230_11G; // 20060613.1
+			pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl
+			pWb35Reg->BB50 = 0x27106200;
+			pltmp[9] = 0; // 0x1054
+			pWb35Reg->BB54 = 0x00000000;
+			pltmp[10] = 0x52523232; // 20060419 0x52524242; // 0x1058 IQ_Alpha
+			pWb35Reg->BB58 = 0x52523232; // 20060419 0x52524242;
+			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
+			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
+			break;
+
+		case RF_AIROHA_7230:
+/*
+			pltmp[0] = 0x16a84a77; // 0x1000 AGC_Ctrl1
+			pltmp[1] = 0x9affafb2; // 0x1004 AGC_Ctrl2
+			pltmp[2] = 0x55d00a04; // 0x1008 AGC_Ctrl3
+			pltmp[3] = 0xFFFb203a; // 0x100c AGC_Ctrl4
+			pWb35Reg->BB0c = 0xFFFb203a;
+			pltmp[4] = 0x0FBFDCB7; // 0x1010 AGC_Ctrl5
+			pltmp[5] = 0x00caa333; // 0x1014 AGC_Ctrl6
+			pltmp[6] = 0xf6632112; // 0x1018 AGC_Ctrl7
+			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+			pltmp[8] = 0x04C43640; // 0x1020 AGC_Ctrl9
+			pltmp[9] = 0x00002A79; // 0x1024 AGC_Ctrl10
+			pltmp[10] = 0x40000228;
+			pltmp[11] = 0x232A9F30;// 0x102c A_ACQ_Ctrl
+			pWb35Reg->BB2c = 0x232A9F30;
+			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
+			pWb35Reg->BB30 = 0x00002C54;
+			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
+			pltmp[3] = 0x00000000; // 0x103c 11a TX LS filter
+			pWb35Reg->BB3c = 0x00000000;
+			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+			pltmp[6] = 0x00453B24; // 0x1048 11b TX RC filter
+			pltmp[7] = 0x0E00FEFF; // 0x104c 11b TX RC filter
+			pltmp[8] = 0x27106200; // 0x1050 MODE_Ctrl
+			pWb35Reg->BB50 = 0x27106200;
+			pltmp[9] = 0; // 0x1054
+			pWb35Reg->BB54 = 0x00000000;
+			pltmp[10] = 0x64645252; // 0x1058 IQ_Alpha
+			pWb35Reg->BB58 = 0x64645252;
+			pltmp[11] = 0xAA0AC000; // 0x105c DC_Cancel
+			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+*/
+			BBProcessor_AL7230_2400( pHwData );
+
+			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
+			break;
+
+		case RF_WB_242:
+		case RF_WB_242_1: // 20060619.5 Add
+
+			pltmp[0] = 0x16A8525D; // 0x1000 AGC_Ctrl1
+			pltmp[1] = 0x9AFF9ABA; // 0x1004 AGC_Ctrl2
+			pltmp[2] = 0x55D00A04; // 0x1008 AGC_Ctrl3
+			pltmp[3] = 0xEEE91C32; // 0x100c AGC_Ctrl4
+			pWb35Reg->BB0C = 0xEEE91C32;
+			pltmp[4] = 0x0FACDCC5; // 0x1010 AGC_Ctrl5
+			pltmp[5] = 0x000AA344; // 0x1014 AGC_Ctrl6
+			pltmp[6] = 0x22222221; // 0x1018 AGC_Ctrl7
+			pltmp[7] = 0x0FA3F0ED; // 0x101c AGC_Ctrl8
+			pltmp[8] = 0x04CC3440; // 20051018 0x03CB3440; // 0x1020 AGC_Ctrl9 20051014 0x03C33440
+			pltmp[9] = 0xA9002A79; // 0x1024 AGC_Ctrl10
+			pltmp[10] = 0x40000528; // 0x1028
+			pltmp[11] = 0x23457F30; // 0x102c A_ACQ_Ctrl
+			pWb35Reg->BB2C = 0x23457F30;
+			Wb35Reg_BurstWrite( pHwData, 0x1000, pltmp, 12, AUTO_INCREMENT );
+
+			pltmp[0] = 0x00002C54; // 0x1030 B_ACQ_Ctrl
+			pWb35Reg->BB30 = 0x00002C54;
+			pltmp[1] = 0x00C0D6C5; // 0x1034 A_TXRX_Ctrl
+			pltmp[2] = 0x5B2C8769; // 0x1038 B_TXRX_Ctrl
+			pltmp[3] = pHwData->BB3c_cal; // 0x103c 11a TX LS filter
+			pWb35Reg->BB3C = pHwData->BB3c_cal;
+			pltmp[4] = 0x00003F29; // 0x1040 11a TX LS filter
+			pltmp[5] = 0x0EFEFBFE; // 0x1044 11a TX LS filter
+			pltmp[6] = BB48_DEFAULT_WB242_11G; // 0x1048 11b TX RC filter 20060613.2
+			pWb35Reg->BB48 = BB48_DEFAULT_WB242_11G; // 20060613.1 20060613.2
+			pltmp[7] = BB4C_DEFAULT_WB242_11G; // 0x104c 11b TX RC filter 20060613.2
+			pWb35Reg->BB4C = BB4C_DEFAULT_WB242_11G; // 20060613.1 20060613.2
+			pltmp[8] = 0x27106208; // 0x1050 MODE_Ctrl
+			pWb35Reg->BB50 = 0x27106208;
+			pltmp[9] = pHwData->BB54_cal; // 0x1054
+			pWb35Reg->BB54 = pHwData->BB54_cal;
+			pltmp[10] = 0x52523131; // 0x1058 IQ_Alpha
+			pWb35Reg->BB58 = 0x52523131;
+			pltmp[11] = 0xAA0AC000; // 20060825 0xAA2AC000; // 0x105c DC_Cancel
+			Wb35Reg_BurstWrite( pHwData, 0x1030, pltmp, 12, AUTO_INCREMENT );
+
+			Wb35Reg_Write( pHwData, 0x1070, 0x00000045 );
+			break;
+    }
+
+	// Fill the LNA table
+	pWb35Reg->LNAValue[0] = (u8)(pWb35Reg->BB0C & 0xff);
+	pWb35Reg->LNAValue[1] = 0;
+	pWb35Reg->LNAValue[2] = (u8)((pWb35Reg->BB0C & 0xff00)>>8);
+	pWb35Reg->LNAValue[3] = 0;
+
+	// Fill SQ3 table
+	for( i=0; i<MAX_SQ3_FILTER_SIZE; i++ )
+		pWb35Reg->SQ3_filter[i] = 0x2f; // half of Bit 0 ~ 6
+}
+
+void set_tx_power_per_channel_max2829(  phw_data_t pHwData,  ChanInfo Channel)
+{
+	RFSynthesizer_SetPowerIndex( pHwData, 100 ); // 20060620.1 Modify
+}
+
+void set_tx_power_per_channel_al2230(  phw_data_t pHwData,  ChanInfo Channel )
+{
+	u8	index = 100;
+
+	if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff) // 20060620.1 Add
+		index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
+
+	RFSynthesizer_SetPowerIndex( pHwData, index );
+}
+
+void set_tx_power_per_channel_al7230(  phw_data_t pHwData,  ChanInfo Channel)
+{
+	u8	i, index = 100;
+
+	switch ( Channel.band )
+	{
+		case BAND_TYPE_DSSS:
+		case BAND_TYPE_OFDM_24:
+			{
+				if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff)
+					index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
+			}
+			break;
+		case BAND_TYPE_OFDM_5:
+			{
+				for (i =0; i<35; i++)
+				{
+					if (Channel.ChanNo == pHwData->TxVgaFor50[i].ChanNo)
+					{
+						if (pHwData->TxVgaFor50[i].TxVgaValue != 0xff)
+							index = pHwData->TxVgaFor50[i].TxVgaValue;
+						break;
+					}
+				}
+			}
+			break;
+	}
+	RFSynthesizer_SetPowerIndex( pHwData, index );
+}
+
+void set_tx_power_per_channel_wb242(  phw_data_t pHwData,  ChanInfo Channel)
+{
+	u8	index = 100;
+
+	switch ( Channel.band )
+	{
+		case BAND_TYPE_DSSS:
+		case BAND_TYPE_OFDM_24:
+			{
+				if (pHwData->TxVgaFor24[Channel.ChanNo - 1] != 0xff)
+					index = pHwData->TxVgaFor24[Channel.ChanNo - 1];
+			}
+			break;
+		case BAND_TYPE_OFDM_5:
+			break;
+	}
+	RFSynthesizer_SetPowerIndex( pHwData, index );
+}
+
+//=============================================================================================================
+// RFSynthesizer_SwitchingChannel --
+//
+// Description:
+//   Swithch the RF channel.
+//
+// Arguments:
+//   pHwData    - Handle of the USB Device.
+//   Channel    - The channel no.
+//
+// Return values:
+//   None.
+//=============================================================================================================
+void
+RFSynthesizer_SwitchingChannel(  phw_data_t pHwData,  ChanInfo Channel )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+	u32	pltmp[16]; // The 16 is the maximum capability of hardware
+	u32	count, ltmp;
+	u8	i, j, number;
+	u8	ChnlTmp;
+
+	switch( pHwData->phy_type )
+	{
+		case RF_MAXIM_2825:
+		case RF_MAXIM_V1: // 11g Winbond 2nd BB(with Phy board (v1) + Maxim 331)
+
+			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13
+			{
+				for( i=0; i<3; i++ )
+					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_channel_data_24[Channel.ChanNo-1][i], 18);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+			}
+			RFSynthesizer_SetPowerIndex( pHwData, 100 );
+			break;
+
+		case RF_MAXIM_2827:
+
+			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13
+			{
+				for( i=0; i<3; i++ )
+					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_channel_data_24[Channel.ChanNo-1][i], 18);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+			}
+			else if( Channel.band == BAND_TYPE_OFDM_5 ) // channel 36 ~ 64
+			{
+				ChnlTmp = (Channel.ChanNo - 36) / 4;
+				for( i=0; i<3; i++ )
+					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_channel_data_50[ChnlTmp][i], 18);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+			}
+			RFSynthesizer_SetPowerIndex( pHwData, 100 );
+			break;
+
+		case RF_MAXIM_2828:
+
+			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 13
+			{
+				for( i=0; i<3; i++ )
+					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_channel_data_24[Channel.ChanNo-1][i], 18);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+			}
+			else if( Channel.band == BAND_TYPE_OFDM_5 ) // channel 36 ~ 64
+			{
+				ChnlTmp = (Channel.ChanNo - 36) / 4;
+				for ( i = 0; i < 3; i++)
+					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_channel_data_50[ChnlTmp][i], 18);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+			}
+			RFSynthesizer_SetPowerIndex( pHwData, 100 );
+			break;
+
+		case RF_MAXIM_2829:
+
+			if( Channel.band <= BAND_TYPE_OFDM_24)
+			{
+				for( i=0; i<3; i++ )
+					pltmp[i] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_channel_data_24[Channel.ChanNo-1][i], 18);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+			}
+			else if( Channel.band == BAND_TYPE_OFDM_5 )
+			{
+				count = sizeof(max2829_channel_data_50) / sizeof(max2829_channel_data_50[0]);
+
+				for( i=0; i<count; i++ )
+				{
+					if( max2829_channel_data_50[i][0] == Channel.ChanNo )
+					{
+						for( j=0; j<3; j++ )
+							pltmp[j] = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2829_channel_data_50[i][j+1], 18);
+						Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+
+						if( (max2829_channel_data_50[i][3] & 0x3FFFF) == 0x2A946 )
+						{
+							ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( (5<<18)|0x2A906, 18);
+							Wb35Reg_Write( pHwData, 0x0864, ltmp );
+						}
+						else    // 0x2A9C6
+						{
+							ltmp = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( (5<<18)|0x2A986, 18);
+							Wb35Reg_Write( pHwData, 0x0864, ltmp );
+						}
+					}
+				}
+			}
+			set_tx_power_per_channel_max2829( pHwData, Channel );
+			break;
+
+		case RF_AIROHA_2230:
+		case RF_AIROHA_2230S: // 20060420 Add this
+
+			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 14
+			{
+				for( i=0; i<2; i++ )
+					pltmp[i] = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_channel_data_24[Channel.ChanNo-1][i], 20);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 2, NO_INCREMENT );
+			}
+			set_tx_power_per_channel_al2230( pHwData, Channel );
+			break;
+
+		case RF_AIROHA_7230:
+
+			//Start to fill RF parameters, PLL_ON should be pulled low.
+			//Wb35Reg_Write( pHwData, 0x03dc, 0x00000000 );
+			//WBDEBUG(("* PLL_ON    low\n"));
+
+			//Channel independent registers
+			if( Channel.band != pHwData->band)
+			{
+				if (Channel.band <= BAND_TYPE_OFDM_24)
+				{
+					//Update BB register
+					BBProcessor_AL7230_2400(pHwData);
+
+					number = sizeof(al7230_rf_data_24)/sizeof(al7230_rf_data_24[0]);
+					Set_ChanIndep_RfData_al7230_24(pHwData, pltmp, number);
+				}
+				else
+				{
+					//Update BB register
+					BBProcessor_AL7230_5000(pHwData);
+
+					number = sizeof(al7230_rf_data_50)/sizeof(al7230_rf_data_50[0]);
+					Set_ChanIndep_RfData_al7230_50(pHwData, pltmp, number);
+				}
+
+				// Write to register. number must less and equal than 16
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, number, NO_INCREMENT );
+				#ifdef _PE_STATE_DUMP_
+				WBDEBUG(("Band changed\n"));
+				#endif
+			}
+
+			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 14
+			{
+				for( i=0; i<2; i++ )
+					pltmp[i] = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_channel_data_24[Channel.ChanNo-1][i]&0xffffff);
+				Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 2, NO_INCREMENT );
+			}
+			else if( Channel.band == BAND_TYPE_OFDM_5 )
+			{
+				//Update Reg12
+				if ((Channel.ChanNo > 64) && (Channel.ChanNo <= 165))
+				{
+					ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00143c;
+					Wb35Reg_Write( pHwData, 0x0864, ltmp );
+				}
+				else	//reg12 = 0x00147c at Channel 4920 ~ 5320
+				{
+					ltmp = (1 << 31) | (0 << 30) | (24 << 24) | 0x00147c;
+					Wb35Reg_Write( pHwData, 0x0864, ltmp );
+				}
+
+				count = sizeof(al7230_channel_data_5) / sizeof(al7230_channel_data_5[0]);
+
+				for (i=0; i<count; i++)
+				{
+					if (al7230_channel_data_5[i][0] == Channel.ChanNo)
+					{
+						for( j=0; j<3; j++ )
+							pltmp[j] = (1 << 31) | (0 << 30) | (24 << 24) | ( al7230_channel_data_5[i][j+1]&0xffffff);
+						Wb35Reg_BurstWrite( pHwData, 0x0864, pltmp, 3, NO_INCREMENT );
+					}
+				}
+			}
+			set_tx_power_per_channel_al7230(pHwData, Channel);
+			break;
+
+		case RF_WB_242:
+		case RF_WB_242_1: // 20060619.5 Add
+
+			if( Channel.band <= BAND_TYPE_OFDM_24 ) // channel 1 ~ 14
+			{
+				ltmp = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( w89rf242_channel_data_24[Channel.ChanNo-1][0], 24);
+				Wb35Reg_Write( pHwData, 0x864, ltmp );
+			}
+			set_tx_power_per_channel_wb242(pHwData, Channel);
+			break;
+	}
+
+	if( Channel.band <= BAND_TYPE_OFDM_24 )
+	{
+        // BB: select 2.4 GHz, bit[12-11]=00
+		pWb35Reg->BB50 &= ~(BIT(11)|BIT(12));
+		Wb35Reg_Write( pHwData, 0x1050, pWb35Reg->BB50 ); // MODE_Ctrl
+        // MAC: select 2.4 GHz, bit[5]=0
+		pWb35Reg->M78_ERPInformation &= ~BIT(5);
+		Wb35Reg_Write( pHwData, 0x0878, pWb35Reg->M78_ERPInformation );
+        // enable 11b Baseband
+		pWb35Reg->BB30 &= ~BIT(31);
+		Wb35Reg_Write( pHwData, 0x1030, pWb35Reg->BB30 );
+	}
+	else if( (Channel.band == BAND_TYPE_OFDM_5) )
+	{
+        // BB: select 5 GHz
+		pWb35Reg->BB50 &= ~(BIT(11)|BIT(12));
+		if (Channel.ChanNo <=64 )
+			pWb35Reg->BB50 |= BIT(12);				// 10-5.25GHz
+		else if ((Channel.ChanNo >= 100) && (Channel.ChanNo <= 124))
+			pWb35Reg->BB50 |= BIT(11);				// 01-5.48GHz
+		else if ((Channel.ChanNo >=128) && (Channel.ChanNo <= 161))
+			pWb35Reg->BB50 |= (BIT(12)|BIT(11));	// 11-5.775GHz
+		else	//Chan 184 ~ 196 will use bit[12-11] = 10 in version sh-src-1.2.25
+			pWb35Reg->BB50 |= BIT(12);
+		Wb35Reg_Write( pHwData, 0x1050, pWb35Reg->BB50 ); // MODE_Ctrl
+
+		//(1) M78 should alway use 2.4G setting when using RF_AIROHA_7230
+		//(2) BB30 has been updated previously.
+		if (pHwData->phy_type != RF_AIROHA_7230)
+		{
+    	    // MAC: select 5 GHz, bit[5]=1
+			pWb35Reg->M78_ERPInformation |= BIT(5);
+			Wb35Reg_Write( pHwData, 0x0878, pWb35Reg->M78_ERPInformation );
+
+    	    // disable 11b Baseband
+			pWb35Reg->BB30 |= BIT(31);
+			Wb35Reg_Write( pHwData, 0x1030, pWb35Reg->BB30 );
+		}
+	}
+}
+
+//Set the tx power directly from DUT GUI, not from the EEPROM. Return the current setting
+u8 RFSynthesizer_SetPowerIndex(  phw_data_t pHwData,  u8 PowerIndex )
+{
+	u32	Band = pHwData->band;
+	u8	index=0;
+
+	if( pHwData->power_index == PowerIndex ) // 20060620.1 Add
+		return PowerIndex;
+
+	if (RF_MAXIM_2825 == pHwData->phy_type)
+	{
+		// Channel 1 - 13
+		index = RFSynthesizer_SetMaxim2825Power( pHwData, PowerIndex );
+	}
+	else if (RF_MAXIM_2827 == pHwData->phy_type)
+	{
+		if( Band <= BAND_TYPE_OFDM_24 )    // Channel 1 - 13
+			index = RFSynthesizer_SetMaxim2827_24Power( pHwData, PowerIndex );
+		else// if( Band == BAND_TYPE_OFDM_5 )  // Channel 36 - 64
+			index = RFSynthesizer_SetMaxim2827_50Power( pHwData, PowerIndex );
+	}
+	else if (RF_MAXIM_2828 == pHwData->phy_type)
+	{
+		if( Band <= BAND_TYPE_OFDM_24 )    // Channel 1 - 13
+			index = RFSynthesizer_SetMaxim2828_24Power( pHwData, PowerIndex );
+		else// if( Band == BAND_TYPE_OFDM_5 )  // Channel 36 - 64
+			index = RFSynthesizer_SetMaxim2828_50Power( pHwData, PowerIndex );
+	}
+	else if( RF_AIROHA_2230 == pHwData->phy_type )
+	{
+		//Power index: 0 ~ 63 // Channel 1 - 14
+		index = RFSynthesizer_SetAiroha2230Power( pHwData, PowerIndex );
+		index = (u8)al2230_txvga_data[index][1];
+	}
+	else if( RF_AIROHA_2230S == pHwData->phy_type ) // 20060420 Add this
+	{
+		//Power index: 0 ~ 63 // Channel 1 - 14
+		index = RFSynthesizer_SetAiroha2230Power( pHwData, PowerIndex );
+		index = (u8)al2230_txvga_data[index][1];
+	}
+	else if( RF_AIROHA_7230 == pHwData->phy_type )
+	{
+		//Power index: 0 ~ 63
+		index = RFSynthesizer_SetAiroha7230Power( pHwData, PowerIndex );
+		index = (u8)al7230_txvga_data[index][1];
+	}
+	else if( (RF_WB_242 == pHwData->phy_type) ||
+		 (RF_WB_242_1 == pHwData->phy_type) ) // 20060619.5 Add
+	{
+		//Power index: 0 ~ 19 for original. New range is 0 ~ 33
+		index = RFSynthesizer_SetWinbond242Power( pHwData, PowerIndex );
+		index = (u8)w89rf242_txvga_data[index][1];
+	}
+
+	pHwData->power_index = index;  // Backup current
+	return index;
+}
+
+//-- Sub function
+u8 RFSynthesizer_SetMaxim2828_24Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	if( index > 1 ) index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_power_data_24[index], 18);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return index;
+}
+//--
+u8 RFSynthesizer_SetMaxim2828_50Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	if( index > 1 ) index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2828_power_data_50[index], 18);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return index;
+}
+//--
+u8 RFSynthesizer_SetMaxim2827_24Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	if( index > 1 ) index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_power_data_24[index], 18);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return index;
+}
+//--
+u8 RFSynthesizer_SetMaxim2827_50Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	if( index > 1 ) index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2827_power_data_50[index], 18);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return index;
+}
+//--
+u8 RFSynthesizer_SetMaxim2825Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	if( index > 1 ) index = 1;
+	PowerData = (1 << 31) | (0 << 30) | (18 << 24) | BitReverse( max2825_power_data_24[index], 18);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return index;
+}
+//--
+u8 RFSynthesizer_SetAiroha2230Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	u8		i,count;
+
+	count = sizeof(al2230_txvga_data) / sizeof(al2230_txvga_data[0]);
+	for (i=0; i<count; i++)
+	{
+		if (al2230_txvga_data[i][1] >= index)
+			break;
+	}
+	if (i == count)
+		i--;
+
+	PowerData = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( al2230_txvga_data[i][0], 20);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return i;
+}
+//--
+u8 RFSynthesizer_SetAiroha7230Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	u8		i,count;
+
+	//PowerData = (1 << 31) | (0 << 30) | (20 << 24) | BitReverse( airoha_power_data_24[index], 20);
+	count = sizeof(al7230_txvga_data) / sizeof(al7230_txvga_data[0]);
+	for (i=0; i<count; i++)
+	{
+		if (al7230_txvga_data[i][1] >= index)
+			break;
+	}
+	if (i == count)
+		i--;
+	PowerData = (1 << 31) | (0 << 30) | (24 << 24) | (al7230_txvga_data[i][0]&0xffffff);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return i;
+}
+
+u8 RFSynthesizer_SetWinbond242Power(  phw_data_t pHwData, u8 index )
+{
+	u32		PowerData;
+	u8		i,count;
+
+	count = sizeof(w89rf242_txvga_data) / sizeof(w89rf242_txvga_data[0]);
+	for (i=0; i<count; i++)
+	{
+		if (w89rf242_txvga_data[i][1] >= index)
+			break;
+	}
+	if (i == count)
+		i--;
+
+	// Set TxVga into RF
+	PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( w89rf242_txvga_data[i][0], 24);
+	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+
+	// Update BB48 BB4C BB58 for high precision txvga
+	Wb35Reg_Write( pHwData, 0x1048, w89rf242_txvga_data[i][2] );
+	Wb35Reg_Write( pHwData, 0x104c, w89rf242_txvga_data[i][3] );
+	Wb35Reg_Write( pHwData, 0x1058, w89rf242_txvga_data[i][4] );
+
+// Rf vga 0 ~ 3 for temperature compensate. It will affect the scan Bss.
+// The i value equals to 8 or 7 usually. So It's not necessary to setup this RF register.
+//	if( i <= 3 )
+//		PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( 0x000024, 24 );
+//	else
+//		PowerData = (1 << 31) | (0 << 30) | (24 << 24) | BitReverse( 0x001824, 24 );
+//	Wb35Reg_Write( pHwData, 0x0864, PowerData );
+	return i;
+}
+
+//===========================================================================================================
+// Dxx_initial --
+// Mxx_initial --
+	//
+//  Routine Description:
+//		Initial the hardware setting and module variable
+	//
+//===========================================================================================================
+void Dxx_initial(  phw_data_t pHwData )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	// Old IC:Single mode only.
+	// New IC: operation decide by Software set bit[4]. 1:multiple 0: single
+	pWb35Reg->D00_DmaControl = 0xc0000004;	//Txon, Rxon, multiple Rx for new 4k DMA
+											//Txon, Rxon, single Rx for old 8k ASIC
+	if( !HAL_USB_MODE_BURST( pHwData ) )
+		pWb35Reg->D00_DmaControl = 0xc0000000;//Txon, Rxon, single Rx for new 4k DMA
+
+	Wb35Reg_WriteSync( pHwData, 0x0400, pWb35Reg->D00_DmaControl );
+}
+
+void Mxx_initial(  phw_data_t pHwData )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	u32		tmp;
+	u32		pltmp[11];
+	u16	i;
+
+
+	//======================================================
+	// Initial Mxx register
+	//======================================================
+
+	// M00 bit set
+#ifdef _IBSS_BEACON_SEQ_STICK_
+	pWb35Reg->M00_MacControl = 0; // Solve beacon sequence number stop by software
+#else
+	pWb35Reg->M00_MacControl = 0x80000000; // Solve beacon sequence number stop by hardware
+#endif
+
+	// M24 disable enter power save, BB RxOn and enable NAV attack
+	pWb35Reg->M24_MacControl = 0x08040042;
+	pltmp[0] = pWb35Reg->M24_MacControl;
+
+	pltmp[1] = 0; // Skip M28, because no initialize value is required.
+
+	// M2C CWmin and CWmax setting
+	pHwData->cwmin = DEFAULT_CWMIN;
+	pHwData->cwmax = DEFAULT_CWMAX;
+	pWb35Reg->M2C_MacControl = DEFAULT_CWMIN << 10;
+	pWb35Reg->M2C_MacControl |= DEFAULT_CWMAX;
+	pltmp[2] = pWb35Reg->M2C_MacControl;
+
+	// M30 BSSID
+	pltmp[3] = *(PULONG)pHwData->bssid;
+
+	// M34
+	pHwData->AID = DEFAULT_AID;
+	tmp = *(PUSHORT)(pHwData->bssid+4);
+	tmp |= DEFAULT_AID << 16;
+	pltmp[4] = tmp;
+
+	// M38
+	pWb35Reg->M38_MacControl = (DEFAULT_RATE_RETRY_LIMIT<<8) | (DEFAULT_LONG_RETRY_LIMIT << 4) | DEFAULT_SHORT_RETRY_LIMIT;
+	pltmp[5] = pWb35Reg->M38_MacControl;
+
+	// M3C
+	tmp = (DEFAULT_PIFST << 26) | (DEFAULT_EIFST << 16) | (DEFAULT_DIFST << 8) | (DEFAULT_SIFST << 4) | DEFAULT_OSIFST ;
+	pWb35Reg->M3C_MacControl = tmp;
+	pltmp[6] = tmp;
+
+	// M40
+	pHwData->slot_time_select = DEFAULT_SLOT_TIME;
+	tmp = (DEFAULT_ATIMWD << 16) | DEFAULT_SLOT_TIME;
+	pWb35Reg->M40_MacControl = tmp;
+	pltmp[7] = tmp;
+
+	// M44
+	tmp = DEFAULT_MAX_TX_MSDU_LIFE_TIME << 10; // *1024
+	pWb35Reg->M44_MacControl = tmp;
+	pltmp[8] = tmp;
+
+	// M48
+	pHwData->BeaconPeriod = DEFAULT_BEACON_INTERVAL;
+	pHwData->ProbeDelay = DEFAULT_PROBE_DELAY_TIME;
+	tmp = (DEFAULT_BEACON_INTERVAL << 16) | DEFAULT_PROBE_DELAY_TIME;
+	pWb35Reg->M48_MacControl = tmp;
+	pltmp[9] = tmp;
+
+	//M4C
+	pWb35Reg->M4C_MacStatus = (DEFAULT_PROTOCOL_VERSION << 30) | (DEFAULT_MAC_POWER_STATE << 28) | (DEFAULT_DTIM_ALERT_TIME << 24);
+	pltmp[10] = pWb35Reg->M4C_MacStatus;
+
+	// Burst write
+	//Wb35Reg_BurstWrite( pHwData, 0x0824, pltmp, 11, AUTO_INCREMENT );
+	for( i=0; i<11; i++ )
+		Wb35Reg_WriteSync( pHwData, 0x0824 + i*4, pltmp[i] );
+
+	// M60
+	Wb35Reg_WriteSync( pHwData, 0x0860, 0x12481248 );
+	pWb35Reg->M60_MacControl = 0x12481248;
+
+	// M68
+	Wb35Reg_WriteSync( pHwData, 0x0868, 0x00050900 ); // 20051018 0x000F0F00 ); // 940930 0x00131300
+	pWb35Reg->M68_MacControl = 0x00050900;
+
+	// M98
+	Wb35Reg_WriteSync( pHwData, 0x0898, 0xffff8888 );
+	pWb35Reg->M98_MacControl = 0xffff8888;
+}
+
+
+void Uxx_power_off_procedure(  phw_data_t pHwData )
+{
+	// SW, PMU reset and turn off clock
+	Wb35Reg_WriteSync( pHwData, 0x03b0, 3 );
+	Wb35Reg_WriteSync( pHwData, 0x03f0, 0xf9 );
+}
+
+//Decide the TxVga of every channel
+void GetTxVgaFromEEPROM(  phw_data_t pHwData )
+{
+	u32		i, j, ltmp;
+	u16		Value[MAX_TXVGA_EEPROM];
+	PUCHAR		pctmp;
+	u8		ctmp=0;
+
+	// Get the entire TxVga setting in EEPROM
+	for( i=0; i<MAX_TXVGA_EEPROM; i++ )
+	{
+		Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08100000 + 0x00010000*i );
+		Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
+		Value[i] = (u16)( ltmp & 0xffff ); // Get 16 bit available
+		Value[i] = cpu_to_le16( Value[i] ); // [7:0]2412 [7:0]2417 ....
+	}
+
+	// Adjust the filed which fills with reserved value.
+	pctmp = (PUCHAR)Value;
+	for( i=0; i<(MAX_TXVGA_EEPROM*2); i++ )
+	{
+		if( pctmp[i] != 0xff )
+			ctmp = pctmp[i];
+		else
+			pctmp[i] = ctmp;
+	}
+
+	// Adjust WB_242 to WB_242_1 TxVga scale
+	if( pHwData->phy_type == RF_WB_242 )
+	{
+		for( i=0; i<4; i++ ) // Only 2412 2437 2462 2484 case must be modified
+		{
+			for( j=0; j<(sizeof(w89rf242_txvga_old_mapping)/sizeof(w89rf242_txvga_old_mapping[0])); j++ )
+			{
+				if( pctmp[i] < (u8)w89rf242_txvga_old_mapping[j][1] )
+				{
+					pctmp[i] = (u8)w89rf242_txvga_old_mapping[j][0];
+					break;
+				}
+			}
+
+			if( j == (sizeof(w89rf242_txvga_old_mapping)/sizeof(w89rf242_txvga_old_mapping[0])) )
+				pctmp[i] = (u8)w89rf242_txvga_old_mapping[j-1][0];
+		}
+	}
+
+	// 20060621 Add
+	memcpy( pHwData->TxVgaSettingInEEPROM, pctmp, MAX_TXVGA_EEPROM*2 ); //MAX_TXVGA_EEPROM is u16 count
+	EEPROMTxVgaAdjust( pHwData );
+}
+
+// This function will affect the TxVga parameter in HAL. If hal_set_current_channel
+// or RFSynthesizer_SetPowerIndex be called, new TxVga will take effect.
+// TxVgaSettingInEEPROM of sHwData is an u8 array point to EEPROM contain for IS89C35
+// This function will use default TxVgaSettingInEEPROM data to calculate new TxVga.
+void EEPROMTxVgaAdjust(  phw_data_t pHwData ) // 20060619.5 Add
+{
+	PUCHAR		pTxVga = pHwData->TxVgaSettingInEEPROM;
+	s16		i, stmp;
+
+	//-- 2.4G -- 20060704.2 Request from Tiger
+	//channel 1 ~ 5
+	stmp = pTxVga[1] - pTxVga[0];
+	for( i=0; i<5; i++ )
+		pHwData->TxVgaFor24[i] = pTxVga[0] + stmp*i/4;
+	//channel 6 ~ 10
+	stmp = pTxVga[2] - pTxVga[1];
+	for( i=5; i<10; i++ )
+		pHwData->TxVgaFor24[i] = pTxVga[1] + stmp*(i-5)/4;
+	//channel 11 ~ 13
+	stmp = pTxVga[3] - pTxVga[2];
+	for( i=10; i<13; i++ )
+		pHwData->TxVgaFor24[i] = pTxVga[2] + stmp*(i-10)/2;
+	//channel 14
+	pHwData->TxVgaFor24[13] = pTxVga[3];
+
+	//-- 5G --
+	if( pHwData->phy_type == RF_AIROHA_7230 )
+	{
+		//channel 184
+		pHwData->TxVgaFor50[0].ChanNo = 184;
+		pHwData->TxVgaFor50[0].TxVgaValue = pTxVga[4];
+		//channel 196
+		pHwData->TxVgaFor50[3].ChanNo = 196;
+		pHwData->TxVgaFor50[3].TxVgaValue = pTxVga[5];
+		//interpolate
+		pHwData->TxVgaFor50[1].ChanNo = 188;
+		pHwData->TxVgaFor50[2].ChanNo = 192;
+		stmp = pTxVga[5] - pTxVga[4];
+		pHwData->TxVgaFor50[2].TxVgaValue = pTxVga[5] - stmp/3;
+		pHwData->TxVgaFor50[1].TxVgaValue = pTxVga[5] - stmp*2/3;
+
+		//channel 16
+		pHwData->TxVgaFor50[6].ChanNo = 16;
+		pHwData->TxVgaFor50[6].TxVgaValue = pTxVga[6];
+		pHwData->TxVgaFor50[4].ChanNo = 8;
+		pHwData->TxVgaFor50[4].TxVgaValue = pTxVga[6];
+		pHwData->TxVgaFor50[5].ChanNo = 12;
+		pHwData->TxVgaFor50[5].TxVgaValue = pTxVga[6];
+
+		//channel 36
+		pHwData->TxVgaFor50[8].ChanNo = 36;
+		pHwData->TxVgaFor50[8].TxVgaValue = pTxVga[7];
+		pHwData->TxVgaFor50[7].ChanNo = 34;
+		pHwData->TxVgaFor50[7].TxVgaValue = pTxVga[7];
+		pHwData->TxVgaFor50[9].ChanNo = 38;
+		pHwData->TxVgaFor50[9].TxVgaValue = pTxVga[7];
+
+		//channel 40
+		pHwData->TxVgaFor50[10].ChanNo = 40;
+		pHwData->TxVgaFor50[10].TxVgaValue = pTxVga[8];
+		//channel 48
+		pHwData->TxVgaFor50[14].ChanNo = 48;
+		pHwData->TxVgaFor50[14].TxVgaValue = pTxVga[9];
+		//interpolate
+		pHwData->TxVgaFor50[11].ChanNo = 42;
+		pHwData->TxVgaFor50[12].ChanNo = 44;
+		pHwData->TxVgaFor50[13].ChanNo = 46;
+		stmp = pTxVga[9] - pTxVga[8];
+		pHwData->TxVgaFor50[13].TxVgaValue = pTxVga[9] - stmp/4;
+		pHwData->TxVgaFor50[12].TxVgaValue = pTxVga[9] - stmp*2/4;
+		pHwData->TxVgaFor50[11].TxVgaValue = pTxVga[9] - stmp*3/4;
+
+		//channel 52
+		pHwData->TxVgaFor50[15].ChanNo = 52;
+		pHwData->TxVgaFor50[15].TxVgaValue = pTxVga[10];
+		//channel 64
+		pHwData->TxVgaFor50[18].ChanNo = 64;
+		pHwData->TxVgaFor50[18].TxVgaValue = pTxVga[11];
+		//interpolate
+		pHwData->TxVgaFor50[16].ChanNo = 56;
+		pHwData->TxVgaFor50[17].ChanNo = 60;
+		stmp = pTxVga[11] - pTxVga[10];
+		pHwData->TxVgaFor50[17].TxVgaValue = pTxVga[11] - stmp/3;
+		pHwData->TxVgaFor50[16].TxVgaValue = pTxVga[11] - stmp*2/3;
+
+		//channel 100
+		pHwData->TxVgaFor50[19].ChanNo = 100;
+		pHwData->TxVgaFor50[19].TxVgaValue = pTxVga[12];
+		//channel 112
+		pHwData->TxVgaFor50[22].ChanNo = 112;
+		pHwData->TxVgaFor50[22].TxVgaValue = pTxVga[13];
+		//interpolate
+		pHwData->TxVgaFor50[20].ChanNo = 104;
+		pHwData->TxVgaFor50[21].ChanNo = 108;
+		stmp = pTxVga[13] - pTxVga[12];
+		pHwData->TxVgaFor50[21].TxVgaValue = pTxVga[13] - stmp/3;
+		pHwData->TxVgaFor50[20].TxVgaValue = pTxVga[13] - stmp*2/3;
+
+		//channel 128
+		pHwData->TxVgaFor50[26].ChanNo = 128;
+		pHwData->TxVgaFor50[26].TxVgaValue = pTxVga[14];
+		//interpolate
+		pHwData->TxVgaFor50[23].ChanNo = 116;
+		pHwData->TxVgaFor50[24].ChanNo = 120;
+		pHwData->TxVgaFor50[25].ChanNo = 124;
+		stmp = pTxVga[14] - pTxVga[13];
+		pHwData->TxVgaFor50[25].TxVgaValue = pTxVga[14] - stmp/4;
+		pHwData->TxVgaFor50[24].TxVgaValue = pTxVga[14] - stmp*2/4;
+		pHwData->TxVgaFor50[23].TxVgaValue = pTxVga[14] - stmp*3/4;
+
+		//channel 140
+		pHwData->TxVgaFor50[29].ChanNo = 140;
+		pHwData->TxVgaFor50[29].TxVgaValue = pTxVga[15];
+		//interpolate
+		pHwData->TxVgaFor50[27].ChanNo = 132;
+		pHwData->TxVgaFor50[28].ChanNo = 136;
+		stmp = pTxVga[15] - pTxVga[14];
+		pHwData->TxVgaFor50[28].TxVgaValue = pTxVga[15] - stmp/3;
+		pHwData->TxVgaFor50[27].TxVgaValue = pTxVga[15] - stmp*2/3;
+
+		//channel 149
+		pHwData->TxVgaFor50[30].ChanNo = 149;
+		pHwData->TxVgaFor50[30].TxVgaValue = pTxVga[16];
+		//channel 165
+		pHwData->TxVgaFor50[34].ChanNo = 165;
+		pHwData->TxVgaFor50[34].TxVgaValue = pTxVga[17];
+		//interpolate
+		pHwData->TxVgaFor50[31].ChanNo = 153;
+		pHwData->TxVgaFor50[32].ChanNo = 157;
+		pHwData->TxVgaFor50[33].ChanNo = 161;
+		stmp = pTxVga[17] - pTxVga[16];
+		pHwData->TxVgaFor50[33].TxVgaValue = pTxVga[17] - stmp/4;
+		pHwData->TxVgaFor50[32].TxVgaValue = pTxVga[17] - stmp*2/4;
+		pHwData->TxVgaFor50[31].TxVgaValue = pTxVga[17] - stmp*3/4;
+	}
+
+	#ifdef _PE_STATE_DUMP_
+	WBDEBUG((" TxVgaFor24 : \n"));
+	DataDmp((u8 *)pHwData->TxVgaFor24, 14 ,0);
+	WBDEBUG((" TxVgaFor50 : \n"));
+	DataDmp((u8 *)pHwData->TxVgaFor50, 70 ,0);
+	#endif
+}
+
+void BBProcessor_RateChanging(  phw_data_t pHwData,  u8 rate ) // 20060613.1
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	unsigned char		Is11bRate;
+
+	Is11bRate = (rate % 6) ? 1 : 0;
+	switch( pHwData->phy_type )
+	{
+		case RF_AIROHA_2230:
+		case RF_AIROHA_2230S: // 20060420 Add this
+			if( Is11bRate )
+			{
+				if( (pWb35Reg->BB48 != BB48_DEFAULT_AL2230_11B) &&
+					(pWb35Reg->BB4C != BB4C_DEFAULT_AL2230_11B) )
+				{
+					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_AL2230_11B );
+					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_AL2230_11B );
+				}
+			}
+			else
+			{
+				if( (pWb35Reg->BB48 != BB48_DEFAULT_AL2230_11G) &&
+					(pWb35Reg->BB4C != BB4C_DEFAULT_AL2230_11G) )
+				{
+					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_AL2230_11G );
+					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_AL2230_11G );
+				}
+			}
+			break;
+
+		case RF_WB_242: // 20060623 The fix only for old TxVGA setting
+			if( Is11bRate )
+			{
+				if( (pWb35Reg->BB48 != BB48_DEFAULT_WB242_11B) &&
+					(pWb35Reg->BB4C != BB4C_DEFAULT_WB242_11B) )
+				{
+					pWb35Reg->BB48 = BB48_DEFAULT_WB242_11B;
+					pWb35Reg->BB4C = BB4C_DEFAULT_WB242_11B;
+					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_WB242_11B );
+					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_WB242_11B );
+				}
+			}
+			else
+			{
+				if( (pWb35Reg->BB48 != BB48_DEFAULT_WB242_11G) &&
+					(pWb35Reg->BB4C != BB4C_DEFAULT_WB242_11G) )
+				{
+					pWb35Reg->BB48 = BB48_DEFAULT_WB242_11G;
+					pWb35Reg->BB4C = BB4C_DEFAULT_WB242_11G;
+					Wb35Reg_Write( pHwData, 0x1048, BB48_DEFAULT_WB242_11G );
+					Wb35Reg_Write( pHwData, 0x104c, BB4C_DEFAULT_WB242_11G );
+				}
+			}
+			break;
+	}
+}
+
+
+
+
+
+
+
diff --git a/drivers/staging/winbond/rxisr.c b/drivers/staging/winbond/rxisr.c
new file mode 100644
index 00000000000..18e942c9b82
--- /dev/null
+++ b/drivers/staging/winbond/rxisr.c
@@ -0,0 +1,30 @@
+#include "os_common.h"
+
+void vRxTimerInit(PWB32_ADAPTER Adapter)
+{
+	OS_TIMER_INITIAL(&(Adapter->Mds.nTimer), (void*) RxTimerHandler, (void*) Adapter);
+}
+
+void vRxTimerStart(PWB32_ADAPTER Adapter, int timeout_value)
+{
+	if (timeout_value<MIN_TIMEOUT_VAL)
+		timeout_value=MIN_TIMEOUT_VAL;
+
+	OS_TIMER_SET( &(Adapter->Mds.nTimer), timeout_value );
+}
+
+void vRxTimerStop(PWB32_ADAPTER Adapter)
+{
+	OS_TIMER_CANCEL( &(Adapter->Mds.nTimer), 0 );
+}
+
+void RxTimerHandler_1a( PADAPTER Adapter)
+{
+	RxTimerHandler(NULL, Adapter, NULL, NULL);
+}
+
+void RxTimerHandler(void* SystemSpecific1, PWB32_ADAPTER Adapter,
+		    void* SystemSpecific2, void* SystemSpecific3)
+{
+	WARN_ON(1);
+}
diff --git a/drivers/staging/winbond/scan_s.h b/drivers/staging/winbond/scan_s.h
new file mode 100644
index 00000000000..1d1b0c4fec1
--- /dev/null
+++ b/drivers/staging/winbond/scan_s.h
@@ -0,0 +1,115 @@
+//
+// SCAN task global CONSTANTS, STRUCTURES, variables
+//
+
+//////////////////////////////////////////////////////////////////////////
+//define the msg type of SCAN module
+#define SCANMSG_SCAN_REQ			0x01
+#define SCANMSG_BEACON				0x02
+#define SCANMSG_PROBE_RESPONSE		0x03
+#define SCANMSG_TIMEOUT				0x04
+#define SCANMSG_TXPROBE_FAIL		0x05
+#define SCANMSG_ENABLE_BGSCAN		0x06
+#define SCANMSG_STOP_SCAN			0x07
+
+// BSS Type =>conform to
+// IBSS             : ToDS/FromDS = 00
+// Infrastructure   : ToDS/FromDS = 01
+#define IBSS_NET			0
+#define ESS_NET				1
+#define ANYBSS_NET			2
+
+// Scan Type
+#define ACTIVE_SCAN			0
+#define PASSIVE_SCAN		1
+
+///////////////////////////////////////////////////////////////////////////
+//Global data structures, Initial Scan & Background Scan
+typedef struct _SCAN_REQ_PARA	//mandatory parameters for SCAN request
+{
+	u32				ScanType;			//passive/active scan
+
+	CHAN_LIST		sChannelList;	// 86B
+	u8			reserved_1[2];
+
+	struct SSID_Element	sSSID; // 34B. scan only for this SSID
+	u8			reserved_2[2];
+
+} SCAN_REQ_PARA, *psSCAN_REQ_PARA;
+
+typedef struct _SCAN_PARAMETERS
+{
+	u16				wState;
+	u16				iCurrentChannelIndex;
+
+	SCAN_REQ_PARA	sScanReq;
+
+	u8				BSSID[MAC_ADDR_LENGTH + 2];		//scan only for this BSSID
+
+	u32				BssType;						//scan only for this BSS type
+
+	//struct SSID_Element	sSSID;						//scan only for this SSID
+	u16				ProbeDelay;
+	u16				MinChannelTime;
+
+	u16				MaxChannelTime;
+	u16				reserved_1;
+
+    s32				iBgScanPeriod;				// XP: 5 sec
+
+    u8				boBgScan;					// Wb: enable BG scan, For XP, this value must be FALSE
+    u8				boFastScan;					// Wb: reserved
+	u8				boCCAbusy;					// Wb: HWMAC CCA busy status
+	u8				reserved_2;
+
+	//NDIS_MINIPORT_TIMER	nTimer;
+	OS_TIMER			nTimer;
+
+	u32				ScanTimeStamp;			//Increase 1 per background scan(1 minute)
+	u32				BssTimeStamp;			//Increase 1 per connect status check
+	u32				RxNumPerAntenna[2];		//
+
+	u8				AntennaToggle;			//
+	u8				boInTimerHandler;
+	u8 				boTimerActive;				// Wb: reserved
+	u8				boSave;
+
+	u32				BScanEnable; // Background scan enable. Default is On
+
+} SCAN_PARAMETERS, *psSCAN_PARAMETERS;
+
+// Encapsulate 'Adapter' data structure
+#define psSCAN			(&(Adapter->sScanPara))
+#define psSCANREQ			(&(Adapter->sScanPara.sScanReq))
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//	scan.h
+//		Define the related definitions of scan module
+//	history -- 01/14/03' created
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+//Define the state of scan module
+#define SCAN_INACTIVE						0
+#define WAIT_PROBE_DELAY					1
+#define WAIT_RESPONSE_MIN					2
+#define WAIT_RESPONSE_MAX_ACTIVE			3
+#define WAIT_BEACON_MAX_PASSIVE				4
+#define SCAN_COMPLETE						5
+#define BG_SCAN								6
+#define BG_SCANNING							7
+
+
+// The value will load from EEPROM
+// If 0xff is set in EEPOM, the driver will use SCAN_MAX_CHNL_TIME instead.
+// The definition is in WbHal.h
+//	#define SCAN_MAX_CHNL_TIME				(50)
+
+
+
+// static functions
+
+//static void ScanTimerHandler(PWB32_ADAPTER Adapter);
+//static void vScanTimerStart(PWB32_ADAPTER	Adapter, int timeout_value);
+//static void vScanTimerStop(PWB32_ADAPTER Adapter);
+
diff --git a/drivers/staging/winbond/sme_api.c b/drivers/staging/winbond/sme_api.c
new file mode 100644
index 00000000000..40e93b7600e
--- /dev/null
+++ b/drivers/staging/winbond/sme_api.c
@@ -0,0 +1,13 @@
+//------------------------------------------------------------------------------------
+// sme_api.c
+//
+// Copyright(C) 2002 Winbond Electronics Corp.
+//
+//
+//------------------------------------------------------------------------------------
+#include "os_common.h"
+
+s8 sme_get_rssi(void *pcore_data, s32 *prssi)
+{
+       BUG();
+}
diff --git a/drivers/staging/winbond/sme_api.h b/drivers/staging/winbond/sme_api.h
new file mode 100644
index 00000000000..016b225ca4a
--- /dev/null
+++ b/drivers/staging/winbond/sme_api.h
@@ -0,0 +1,265 @@
+/*
+ * sme_api.h
+ *
+ * Copyright(C) 2002 Winbond Electronics Corp.
+ *
+ * modification history
+ * ---------------------------------------------------------------------------
+ * 1.00.001, 2003-04-21, Kevin       created
+ * 1.00.002, 2003-05-14, PD43 & PE20 modified
+ *
+ */
+
+#ifndef __SME_API_H__
+#define __SME_API_H__
+
+/****************** INCLUDE FILES SECTION ***********************************/
+//#include "GL\gl_core.h"
+
+/****************** CONSTANT AND MACRO SECTION ******************************/
+#define _INLINE      __inline
+
+#define MEDIA_STATE_DISCONNECTED    0
+#define MEDIA_STATE_CONNECTED       1
+
+//ARRAY CHECK
+#define MAX_POWER_TO_DB 32
+
+/****************** TYPE DEFINITION SECTION *********************************/
+
+/****************** EXPORTED FUNCTION DECLARATION SECTION *******************/
+
+// OID_802_11_BSSID
+s8 sme_get_bssid(void *pcore_data, u8 *pbssid);
+s8 sme_get_desired_bssid(void *pcore_data, u8 *pbssid);//Not use
+s8 sme_set_desired_bssid(void *pcore_data, u8 *pbssid);
+
+// OID_802_11_SSID
+s8 sme_get_ssid(void *pcore_data, u8 *pssid, u8 *pssid_len);
+s8 sme_get_desired_ssid(void *pcore_data, u8 *pssid, u8 *pssid_len);// Not use
+s8 sme_set_desired_ssid(void *pcore_data, u8 *pssid, u8 ssid_len);
+
+// OID_802_11_INFRASTRUCTURE_MODE
+s8 sme_get_bss_type(void *pcore_data, u8 *pbss_type);
+s8 sme_get_desired_bss_type(void *pcore_data, u8 *pbss_type);//Not use
+s8 sme_set_desired_bss_type(void *pcore_data, u8 bss_type);
+
+// OID_802_11_FRAGMENTATION_THRESHOLD
+s8 sme_get_fragment_threshold(void *pcore_data, u32 *pthreshold);
+s8 sme_set_fragment_threshold(void *pcore_data, u32 threshold);
+
+// OID_802_11_RTS_THRESHOLD
+s8 sme_get_rts_threshold(void *pcore_data, u32 *pthreshold);
+s8 sme_set_rts_threshold(void *pcore_data, u32 threshold);
+
+// OID_802_11_RSSI
+s8 sme_get_rssi(void *pcore_data, s32 *prssi);
+
+// OID_802_11_CONFIGURATION
+s8 sme_get_beacon_period(void *pcore_data, u16 *pbeacon_period);
+s8 sme_set_beacon_period(void *pcore_data, u16 beacon_period);
+
+s8 sme_get_atim_window(void *pcore_data, u16 *patim_window);
+s8 sme_set_atim_window(void *pcore_data, u16 atim_window);
+
+s8 sme_get_current_channel(void *pcore_data, u8 *pcurrent_channel);
+s8 sme_get_current_band(void *pcore_data, u8 *pcurrent_band);
+s8 sme_set_current_channel(void *pcore_data, u8 current_channel);
+
+// OID_802_11_BSSID_LIST
+s8 sme_get_scan_bss_count(void *pcore_data, u8 *pcount);
+s8 sme_get_scan_bss(void *pcore_data, u8 index, void **ppbss);
+
+s8 sme_get_connected_bss(void *pcore_data, void **ppbss_now);
+
+// OID_802_11_AUTHENTICATION_MODE
+s8 sme_get_auth_mode(void *pcore_data, u8 *pauth_mode);
+s8 sme_set_auth_mode(void *pcore_data, u8 auth_mode);
+
+// OID_802_11_WEP_STATUS / OID_802_11_ENCRYPTION_STATUS
+s8 sme_get_wep_mode(void *pcore_data, u8 *pwep_mode);
+s8 sme_set_wep_mode(void *pcore_data, u8 wep_mode);
+//s8 sme_get_encryption_status(void *pcore_data, u8 *pstatus);
+//s8 sme_set_encryption_status(void *pcore_data, u8 status);
+
+// ???????????????????????????????????????
+
+// OID_GEN_VENDOR_ID
+// OID_802_3_PERMANENT_ADDRESS
+s8 sme_get_permanent_mac_addr(void *pcore_data, u8 *pmac_addr);
+
+// OID_802_3_CURRENT_ADDRESS
+s8 sme_get_current_mac_addr(void *pcore_data, u8 *pmac_addr);
+
+// OID_802_11_NETWORK_TYPE_IN_USE
+s8 sme_get_network_type_in_use(void *pcore_data, u8 *ptype);
+s8 sme_set_network_type_in_use(void *pcore_data, u8 type);
+
+// OID_802_11_SUPPORTED_RATES
+s8 sme_get_supported_rate(void *pcore_data, u8 *prates);
+
+// OID_802_11_ADD_WEP
+//12/29/03' wkchen
+s8 sme_set_add_wep(void *pcore_data, u32 key_index, u32 key_len,
+					 u8 *Address, u8 *key);
+
+// OID_802_11_REMOVE_WEP
+s8 sme_set_remove_wep(void *pcre_data, u32 key_index);
+
+// OID_802_11_DISASSOCIATE
+s8 sme_set_disassociate(void *pcore_data);
+
+// OID_802_11_POWER_MODE
+s8 sme_get_power_mode(void *pcore_data, u8 *pmode);
+s8 sme_set_power_mode(void *pcore_data, u8 mode);
+
+// OID_802_11_BSSID_LIST_SCAN
+s8 sme_set_bssid_list_scan(void *pcore_data, void *pscan_para);
+
+// OID_802_11_RELOAD_DEFAULTS
+s8 sme_set_reload_defaults(void *pcore_data, u8 reload_type);
+
+
+// The following SME API functions are used for WPA
+//
+// Mandatory OIDs for WPA
+//
+
+// OID_802_11_ADD_KEY
+//s8 sme_set_add_key(void *pcore_data, NDIS_802_11_KEY *pkey);
+
+// OID_802_11_REMOVE_KEY
+//s8 sme_set_remove_key(void *pcore_data, NDIS_802_11_REMOVE_KEY *pkey);
+
+// OID_802_11_ASSOCIATION_INFORMATION
+//s8 sme_set_association_information(void *pcore_data,
+//                    NDIS_802_11_ASSOCIATION_INFORMATION *pinfo);
+
+// OID_802_11_TEST
+//s8 sme_set_test(void *pcore_data, NDIS_802_11_TEST *ptest_data);
+
+//--------------------------------------------------------------------------//
+/*
+// The left OIDs
+
+// OID_802_11_NETWORK_TYPES_SUPPORTED
+// OID_802_11_TX_POWER_LEVEL
+// OID_802_11_RSSI_TRIGGER
+// OID_802_11_NUMBER_OF_ANTENNAS
+// OID_802_11_RX_ANTENNA_SELECTED
+// OID_802_11_TX_ANTENNA_SELECTED
+// OID_802_11_STATISTICS
+// OID_802_11_DESIRED_RATES
+// OID_802_11_PRIVACY_FILTER
+
+*/
+
+/*------------------------- none-standard ----------------------------------*/
+s8 sme_get_connect_status(void *pcore_data, u8 *pstatus);
+
+/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
+//s8 sme_get_scan_type(void *pcore_data, u8 *pscan_type);
+//s8 sme_set_scan_type(void *pcore_data, u8 scan_type);
+
+//s8 sme_get_scan_channel_list(void *pcore_data, u8 *pscan_type);
+//s8 sme_set_scan_channel_list(void *pcore_data, u8 scan_type);
+
+
+void sme_get_encryption_status(void *pcore_data, u8 *EncryptStatus);
+void sme_set_encryption_status(void *pcore_data, u8 EncryptStatus);
+s8 sme_add_key(void		*pcore_data,
+					u32		key_index,
+					u8		key_len,
+					u8		key_type,
+					u8		*key_bssid,
+					//u8		*key_rsc,
+					u8		*ptx_tsc,
+					u8		*prx_tsc,
+					u8		*key_material);
+void sme_remove_default_key(void *pcore_data, int index);
+void sme_remove_mapping_key(void *pcore_data, u8 *pmac_addr);
+void sme_clear_all_mapping_key(void *pcore_data);
+void sme_clear_all_default_key(void *pcore_data);
+
+
+
+s8 sme_set_preamble_mode(void *pcore_data, u8 mode);
+s8 sme_get_preamble_mode(void *pcore_data, u8 *mode);
+s8 sme_get_preamble_type(void *pcore_data, u8 *type);
+s8 sme_set_slottime_mode(void *pcore_data, u8 mode);
+s8 sme_get_slottime_mode(void *pcore_data, u8 *mode);
+s8 sme_get_slottime_type(void *pcore_data, u8 *type);
+s8 sme_set_txrate_policy(void *pcore_data, u8 policy);
+s8 sme_get_txrate_policy(void *pcore_data, u8 *policy);
+s8 sme_get_cwmin_value(void *pcore_data, u8 *cwmin);
+s8 sme_get_cwmax_value(void *pcore_data, u16 *cwmax);
+s8 sme_get_ms_radio_mode(void *pcore_data, u8 * pMsRadioOff);
+s8 sme_set_ms_radio_mode(void *pcore_data, u8 boMsRadioOff);
+s8 sme_get_radio_mode(void *pcore_data, psRadioOff pRadioOffData);
+s8 sme_set_radio_mode(void *pcore_data, RadioOff RadioOffData);
+
+void sme_get_tx_power_level(void *pcore_data, u32 *TxPower);
+u8 sme_set_tx_power_level(void *pcore_data, u32 TxPower);
+void sme_get_antenna_count(void *pcore_data, u32 *AntennaCount);
+void sme_get_rx_antenna(void *pcore_data, u32 *RxAntenna);
+u8 sme_set_rx_antenna(void *pcore_data, u32 RxAntenna);
+void sme_get_tx_antenna(void *pcore_data, u32 *TxAntenna);
+s8 sme_set_tx_antenna(void *pcore_data, u32 TxAntenna);
+s8 sme_set_IBSS_chan(void *pcore_data, ChanInfo chan);
+
+//20061108 WPS
+s8 sme_set_IE_append(void *pcore_data, PUCHAR buffer, u16 buf_len);
+
+
+
+
+//================== Local functions ======================
+//#ifdef _HSINCHU
+//void drv_translate_rssi();   // HW RSSI bit -> NDIS RSSI representation
+//void drv_translate_bss_description(); // Local bss desc -> NDIS bss desc
+//void drv_translate_channel(u8 NetworkType, u8 ChannelNumber, u32 *freq); // channel number -> channel /freq.
+//#endif _HSINCHU
+//
+static const u32 PowerDbToMw[] =
+{
+	56,	//mW, MAX - 0,	17.5 dbm
+	40,	//mW, MAX - 1,	16.0 dbm
+	30,	//mW, MAX - 2,	14.8 dbm
+	20,	//mW, MAX - 3,	13.0 dbm
+	15,	//mW, MAX - 4,	11.8 dbm
+	12,	//mW, MAX - 5,	10.6 dbm
+	9,	//mW, MAX - 6,	 9.4 dbm
+	7,	//mW, MAX - 7,	 8.3 dbm
+	5,	//mW, MAX - 8,	 6.4 dbm
+	4,	//mW, MAX - 9,	 5.3 dbm
+	3,	//mW, MAX - 10,  4.0 dbm
+	2,	//mW, MAX - 11,  ? dbm
+	2,	//mW, MAX - 12,  ? dbm
+	2,	//mW, MAX - 13,  ? dbm
+	2,	//mW, MAX - 14,  ? dbm
+	2,	//mW, MAX - 15,  ? dbm
+	2,	//mW, MAX - 16,  ? dbm
+	2,	//mW, MAX - 17,  ? dbm
+	2,	//mW, MAX - 18,  ? dbm
+	1,	//mW, MAX - 19,  ? dbm
+	1,	//mW, MAX - 20,  ? dbm
+	1,	//mW, MAX - 21,  ? dbm
+	1,	//mW, MAX - 22,  ? dbm
+	1,	//mW, MAX - 23,  ? dbm
+	1,	//mW, MAX - 24,  ? dbm
+	1,	//mW, MAX - 25,  ? dbm
+	1,	//mW, MAX - 26,  ? dbm
+	1,	//mW, MAX - 27,  ? dbm
+	1,	//mW, MAX - 28,  ? dbm
+	1,	//mW, MAX - 29,  ? dbm
+	1,	//mW, MAX - 30,  ? dbm
+	1	//mW, MAX - 31,  ? dbm
+};
+
+
+
+
+
+#endif /* __SME_API_H__ */
+
+
diff --git a/drivers/staging/winbond/sme_s.h b/drivers/staging/winbond/sme_s.h
new file mode 100644
index 00000000000..dfd2fbc4ede
--- /dev/null
+++ b/drivers/staging/winbond/sme_s.h
@@ -0,0 +1,228 @@
+//
+// SME_S.H -
+// SME task global CONSTANTS, STRUCTURES, variables
+//
+
+//////////////////////////////////////////////////////////////////////////
+//define the msg type of SME module
+// 0x00~0x1F : MSG from GUI dispatch
+// 0x20~0x3F : MSG from MLME
+// 0x40~0x5F : MSG from SCAN
+// 0x60~0x6F : MSG from TX/RX
+// 0x70~0x7F : MSG from ROAMING
+// 0x80~0x8F : MSG from ISR
+// 0x90		 : MSG TimeOut
+
+// from GUI
+#define SMEMSG_SCAN_REQ					0x01
+//#define SMEMSG_PASSIVE_SCAN_REQ			0x02
+#define SMEMSG_JOIN_REQ					0x03
+#define SMEMSG_START_IBSS				0x04
+#define SMEMSG_DISCONNECT_REQ			0x05
+#define SMEMSG_AUTHEN_REQ				0x06
+#define SMEMSG_DEAUTHEN_REQ				0x07
+#define SMEMSG_ASSOC_REQ				0x08
+#define SMEMSG_REASSOC_REQ				0x09
+#define SMEMSG_DISASSOC_REQ				0x0a
+#define SMEMSG_POWERSAVE_REQ			0x0b
+
+
+// from MLME
+#define SMEMSG_AUTHEN_CFM				0x21
+#define SMEMSG_AUTHEN_IND				0x22
+#define SMEMSG_ASSOC_CFM				0x23
+#define SMEMSG_DEAUTHEN_IND				0x24
+#define SMEMSG_DISASSOC_IND				0x25
+// from SCAN
+#define SMEMSG_SCAN_CFM					0x41
+#define SMEMSG_START_IBSS_CFM			0x42
+// from MTO, function call to set SME parameters
+
+// 0x60~0x6F : MSG from TX/RX
+//#define SMEMSG_IBSS_JOIN_UPDATE_BSSID	0x61
+#define SMEMSG_COUNTERMEASURE_MICFAIL_TIMEOUT		0x62
+#define SMEMSG_COUNTERMEASURE_BLOCK_TIMEOUT	0x63
+// from ROAMING
+#define SMEMSG_HANDOVER_JOIN_REQ		0x71
+#define SMEMSG_END_ROAMING				0x72
+#define SMEMSG_SCAN_JOIN_REQ			0x73
+// from ISR
+#define SMEMSG_TSF_SYNC_IND				0x81
+// from TimeOut
+#define SMEMSG_TIMEOUT					0x91
+
+
+
+#define MAX_PMKID_Accunt                16
+//@added by ws 04/22/05
+#define Cipher_Disabled                 0
+#define Cipher_Wep                      1
+#define Cipher_Tkip                     2
+#define Cipher_Ccmp                     4
+
+
+///////////////////////////////////////////////////////////////////////////
+//Constants
+
+///////////////////////////////////////////////////////////////////////////
+//Global data structures
+
+#define NUMOFWEPENTRIES     64
+
+typedef enum _WEPKeyMode
+{
+    WEPKEY_DISABLED = 0,
+    WEPKEY_64       = 1,
+    WEPKEY_128      = 2
+
+} WEPKEYMODE, *pWEPKEYMODE;
+
+#ifdef _WPA2_
+
+typedef struct _BSSInfo
+{
+  u8        PreAuthBssID[6];
+  PMKID        pmkid_value;
+}BSSID_Info;
+
+typedef struct _PMKID_Table //added by ws 05/05/04
+{
+   u32  Length;
+   u32  BSSIDInfoCount;
+   BSSID_Info BSSIDInfo[16];
+
+} PMKID_Table;
+
+#endif //end def _WPA2_
+
+#define MAX_BASIC_RATE_SET          15
+#define MAX_OPT_RATE_SET            MAX_BASIC_RATE_SET
+
+
+typedef struct _SME_PARAMETERS
+{
+    u16				wState;
+	u8				boDUTmode;
+	u8				bDesiredPowerSave;
+
+	// SME timer and timeout value
+	//NDIS_MINIPORT_TIMER	nTimer;
+	OS_TIMER			nTimer;
+
+	u8				boInTimerHandler;
+	u8 				boAuthRetryActive;
+	u8				reserved_0[2];
+
+	u32				AuthenRetryTimerVal;	// NOTE: Assoc don't fail timeout
+	u32				JoinFailTimerVal;		// 10*Beacon-Interval
+
+	//Rates
+	u8				BSSBasicRateSet[(MAX_BASIC_RATE_SET + 3) & ~0x03 ];    // BSS basic rate set
+	u8				OperationalRateSet[(MAX_OPT_RATE_SET + 3) & ~0x03 ]; // Operational rate set
+
+	u8				NumOfBSSBasicRate;
+	u8				NumOfOperationalRate;
+	u8				reserved_1[2];
+
+	u32				BasicRateBitmap;
+	u32				OpRateBitmap;
+
+	// System parameters Set by GUI
+	//-------------------- start IBSS parameter ---------------------------//
+	u32				boStartIBSS;			//Start IBSS toggle
+
+	u16				wBeaconPeriod;
+	u16				wATIM_Window;
+
+	ChanInfo			IbssChan; // 2B	//channel setting when start IBSS
+	u8				reserved_2[2];
+
+    // Join related
+	u16				wDesiredJoinBSS;		// BSS index which desire to join
+	u8				boJoinReq;				//Join request toggle
+	u8				bDesiredBSSType;		//for Join request
+
+    u16				wCapabilityInfo;        // Used when invoking the MLME_Associate_request().
+	u16				wNonERPcapabilityInfo;
+
+    struct SSID_Element sDesiredSSID; // 34 B
+	u8				reserved_3[2];
+
+	u8    			abDesiredBSSID[MAC_ADDR_LENGTH + 2];
+
+	u8				bJoinScanCount;			// the time of scan-join action need to do
+	u8				bDesiredAuthMode;       // AUTH_OPEN_SYSTEM or AUTH_SHARED_KEY
+	u8				reserved_4[2];
+
+    // Encryption parameters
+	u8     			_dot11PrivacyInvoked;
+    u8             	_dot11PrivacyOptionImplemented;
+	u8				reserved_5[2];
+
+    //@ ws added
+    u8				DesiredEncrypt;
+	u8				encrypt_status;	//ENCRYPT_DISABLE, ENCRYPT_WEP, ENCRYPT_WEP_NOKEY, ENCRYPT_TKIP, ...
+	u8				key_length;
+	u8				pairwise_key_ok;
+
+	u8				group_key_ok;
+    u8				wpa_ok;             // indicate the control port of 802.1x is open or close
+	u8				pairwise_key_type;
+	u8				group_key_type;
+
+    u32               _dot11WEPDefaultKeyID;
+
+	u8              	tx_mic_key[8];      // TODO: 0627 kevin-TKIP
+	u8              	rx_mic_key[8];      // TODO: 0627 kevin-TKIP
+	u8				group_tx_mic_key[8];
+	u8				group_rx_mic_key[8];
+
+//	#ifdef _WPA_
+	u8				AssocReqVarIE[200];
+	u8				AssocRespVarIE[200];
+
+	u16				AssocReqVarLen;
+	u16				AssocRespVarLen;
+	u8				boReassoc;				//use assoc. or reassoc.
+	u8				reserved_6[3];
+	u16				AssocRespCapability;
+	u16				AssocRespStatus;
+//	#endif
+
+	#ifdef _WPA2_
+    u8               PmkIdTable[256];
+    u32               PmkidTableIndex;
+	#endif //end def _WPA2_
+
+} SME_PARAMETERS, *PSME_PARAMETERS;
+
+#define psSME			(&(Adapter->sSmePara))
+
+#define wSMEGetCurrentSTAState(Adapter)		((u16)(Adapter)->sSmePara.wState)
+
+
+
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+//	SmeModule.h
+//		Define the related definitions of SME module
+//	history -- 01/14/03' created
+//
+//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+//Define the state of SME module
+#define DISABLED						0
+#define INIT_SCAN						1
+#define SCAN_READY						2
+#define START_IBSS						3
+#define JOIN_PENDING					4
+#define JOIN_CFM						5
+#define AUTHENTICATE_PENDING			6
+#define AUTHENTICATED					7
+#define CONNECTED						8
+//#define EAP_STARTING					9
+//#define EAPOL_AUTHEN_PENDING			10
+//#define SECURE_CONNECTED				11
+
+
+// Static function
+
diff --git a/drivers/staging/winbond/wb35_ver.h b/drivers/staging/winbond/wb35_ver.h
new file mode 100644
index 00000000000..2433bc07300
--- /dev/null
+++ b/drivers/staging/winbond/wb35_ver.h
@@ -0,0 +1,30 @@
+//
+// Only define one of follow
+//
+
+#ifdef WB_WIN
+	#define VER_FILEVERSION             1,00,47,00
+	#define VER_FILEVERSION_STR         "1.00.47.00"
+	#define WB32_DRIVER_MAJOR_VERSION   0x0100
+	#define WB32_DRIVER_MINOR_VERSION   0x4700
+#endif
+
+#ifdef WB_CE
+	#define VER_FILEVERSION             2,00,47,00
+	#define VER_FILEVERSION_STR         "2.00.47.00"
+	#define WB32_DRIVER_MAJOR_VERSION   0x0200
+	#define WB32_DRIVER_MINOR_VERSION   0x4700
+#endif
+
+#ifdef WB_LINUX
+	#define VER_FILEVERSION             3,00,47,00
+	#define VER_FILEVERSION_STR         "3.00.47.00"
+	#define WB32_DRIVER_MAJOR_VERSION   0x0300
+	#define WB32_DRIVER_MINOR_VERSION   0x4700
+#endif
+
+
+
+
+
+
diff --git a/drivers/staging/winbond/wbhal.c b/drivers/staging/winbond/wbhal.c
new file mode 100644
index 00000000000..daf44224755
--- /dev/null
+++ b/drivers/staging/winbond/wbhal.c
@@ -0,0 +1,878 @@
+#include "os_common.h"
+
+void hal_get_ethernet_address( phw_data_t pHwData, PUCHAR current_address )
+{
+	if( pHwData->SurpriseRemove ) return;
+
+	memcpy( current_address, pHwData->CurrentMacAddress, ETH_LENGTH_OF_ADDRESS );
+}
+
+void hal_set_ethernet_address( phw_data_t pHwData, PUCHAR current_address )
+{
+	u32 ltmp[2];
+
+	if( pHwData->SurpriseRemove ) return;
+
+	memcpy( pHwData->CurrentMacAddress, current_address, ETH_LENGTH_OF_ADDRESS );
+
+	ltmp[0]= cpu_to_le32( *(PULONG)pHwData->CurrentMacAddress );
+	ltmp[1]= cpu_to_le32( *(PULONG)(pHwData->CurrentMacAddress + 4) ) & 0xffff;
+
+	Wb35Reg_BurstWrite( pHwData, 0x03e8, ltmp, 2, AUTO_INCREMENT );
+}
+
+void hal_get_permanent_address( phw_data_t pHwData, PUCHAR pethernet_address )
+{
+	if( pHwData->SurpriseRemove ) return;
+
+	memcpy( pethernet_address, pHwData->PermanentMacAddress, 6 );
+}
+
+u8 hal_init_hardware(phw_data_t pHwData, PWB32_ADAPTER Adapter)
+{
+	u16 SoftwareSet;
+	pHwData->Adapter = Adapter;
+
+	// Initial the variable
+	pHwData->MaxReceiveLifeTime = DEFAULT_MSDU_LIFE_TIME; // Setting Rx maximum MSDU life time
+	pHwData->FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; // Setting default fragment threshold
+
+	if (WbUsb_initial(pHwData)) {
+		pHwData->InitialResource = 1;
+		if( Wb35Reg_initial(pHwData)) {
+			pHwData->InitialResource = 2;
+			if (Wb35Tx_initial(pHwData)) {
+				pHwData->InitialResource = 3;
+				if (Wb35Rx_initial(pHwData)) {
+					pHwData->InitialResource = 4;
+					OS_TIMER_INITIAL( &pHwData->LEDTimer, hal_led_control, pHwData );
+					OS_TIMER_SET( &pHwData->LEDTimer, 1000 ); // 20060623
+
+					//
+					// For restrict to vendor's hardware
+					//
+					SoftwareSet = hal_software_set( pHwData );
+
+					#ifdef Vendor2
+					// Try to make sure the EEPROM contain
+					SoftwareSet >>= 8;
+					if( SoftwareSet != 0x82 )
+						return FALSE;
+					#endif
+
+					Wb35Rx_start( pHwData );
+					Wb35Tx_EP2VM_start( pHwData );
+
+					return TRUE;
+				}
+			}
+		}
+	}
+
+	pHwData->SurpriseRemove = 1;
+	return FALSE;
+}
+
+
+void hal_halt(phw_data_t pHwData, void *ppa_data)
+{
+	switch( pHwData->InitialResource )
+	{
+		case 4:
+		case 3: OS_TIMER_CANCEL( &pHwData->LEDTimer, &cancel );
+			OS_SLEEP(100000); // Wait for Timer DPC exit 940623.2
+			Wb35Rx_destroy( pHwData ); // Release the Rx
+		case 2: Wb35Tx_destroy( pHwData ); // Release the Tx
+		case 1: Wb35Reg_destroy( pHwData ); // Release the Wb35 Regisster resources
+				WbUsb_destroy( pHwData );// Release the WbUsb
+	}
+}
+
+//---------------------------------------------------------------------------------------------------
+void hal_set_rates(phw_data_t pHwData, PUCHAR pbss_rates,
+		   u8 length, unsigned char basic_rate_set)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	u32		tmp, tmp1;
+	u8		Rate[12]={ 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 };
+	u8		SupportedRate[16];
+	u8		i, j, k, Count1, Count2, Byte;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	if (basic_rate_set) {
+		pWb35Reg->M28_MacControl &= ~0x000fff00;
+		tmp1 = 0x00000100;
+	} else {
+		pWb35Reg->M28_MacControl &= ~0xfff00000;
+		tmp1 = 0x00100000;
+	}
+
+	tmp = 0;
+	for (i=0; i<length; i++) {
+		Byte = pbss_rates[i] & 0x7f;
+		for (j=0; j<12; j++) {
+			if( Byte == Rate[j] )
+				break;
+		}
+
+		if (j < 12)
+			tmp |= (tmp1<<j);
+	}
+
+	pWb35Reg->M28_MacControl |= tmp;
+	Wb35Reg_Write( pHwData, 0x0828, pWb35Reg->M28_MacControl );
+
+	// 930206.2.c M78 setting
+	j = k = Count1 = Count2 = 0;
+	memset( SupportedRate, 0, 16 );
+	tmp = 0x00100000;
+	tmp1 = 0x00000100;
+	for (i=0; i<12; i++) { // Get the supported rate
+		if (tmp & pWb35Reg->M28_MacControl) {
+			SupportedRate[j] = Rate[i];
+
+			if (tmp1 & pWb35Reg->M28_MacControl)
+				SupportedRate[j] |= 0x80;
+
+			if (k)
+				Count2++;
+			else
+				Count1++;
+
+			j++;
+		}
+
+		if (i==4 && k==0) {
+			if( !(pWb35Reg->M28_MacControl & 0x000ff000) ) // if basic rate in 11g domain)
+			{
+				k = 1;
+				j = 8;
+			}
+		}
+
+		tmp <<= 1;
+		tmp1 <<= 1;
+	}
+
+	// Fill data into support rate until buffer full
+	//---20060926 add by anson's endian
+	for (i=0; i<4; i++)
+		*(PULONG)(SupportedRate+(i<<2)) = cpu_to_le32( *(PULONG)(SupportedRate+(i<<2)) );
+	//--- end 20060926 add by anson's endian
+	Wb35Reg_BurstWrite( pHwData,0x087c, (PULONG)SupportedRate, 4, AUTO_INCREMENT );
+	pWb35Reg->M7C_MacControl = ((PULONG)SupportedRate)[0];
+	pWb35Reg->M80_MacControl = ((PULONG)SupportedRate)[1];
+	pWb35Reg->M84_MacControl = ((PULONG)SupportedRate)[2];
+	pWb35Reg->M88_MacControl = ((PULONG)SupportedRate)[3];
+
+	// Fill length
+	tmp = Count1<<28 | Count2<<24;
+	pWb35Reg->M78_ERPInformation &= ~0xff000000;
+	pWb35Reg->M78_ERPInformation |= tmp;
+	Wb35Reg_Write( pHwData, 0x0878, pWb35Reg->M78_ERPInformation );
+}
+
+
+//---------------------------------------------------------------------------------------------------
+void hal_set_beacon_period(  phw_data_t pHwData,  u16 beacon_period )
+{
+	u32	tmp;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	pHwData->BeaconPeriod = beacon_period;
+	tmp = pHwData->BeaconPeriod << 16;
+	tmp |= pHwData->ProbeDelay;
+	Wb35Reg_Write( pHwData, 0x0848, tmp );
+}
+
+
+void hal_set_current_channel_ex(  phw_data_t pHwData,  ChanInfo channel )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove )
+		return;
+
+	printk("Going to channel: %d/%d\n", channel.band, channel.ChanNo);
+
+	RFSynthesizer_SwitchingChannel( pHwData, channel );// Switch channel
+	pHwData->Channel = channel.ChanNo;
+	pHwData->band = channel.band;
+	#ifdef _PE_STATE_DUMP_
+	WBDEBUG(("Set channel is %d, band =%d\n", pHwData->Channel, pHwData->band));
+	#endif
+	pWb35Reg->M28_MacControl &= ~0xff; // Clean channel information field
+	pWb35Reg->M28_MacControl |= channel.ChanNo;
+	Wb35Reg_WriteWithCallbackValue( pHwData, 0x0828, pWb35Reg->M28_MacControl,
+					(PCHAR)&channel, sizeof(ChanInfo));
+}
+//---------------------------------------------------------------------------------------------------
+void hal_set_current_channel(  phw_data_t pHwData,  ChanInfo channel )
+{
+	hal_set_current_channel_ex( pHwData, channel );
+}
+//---------------------------------------------------------------------------------------------------
+void hal_get_current_channel(  phw_data_t pHwData,  ChanInfo *channel )
+{
+	channel->ChanNo = pHwData->Channel;
+	channel->band = pHwData->band;
+}
+//---------------------------------------------------------------------------------------------------
+void hal_set_accept_broadcast(  phw_data_t pHwData,  u8 enable )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	pWb35Reg->M00_MacControl &= ~0x02000000;//The HW value
+
+	if (enable)
+		pWb35Reg->M00_MacControl |= 0x02000000;//The HW value
+
+	Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl );
+}
+
+//for wep key error detection, we need to accept broadcast packets to be received temporary.
+void hal_set_accept_promiscuous( phw_data_t pHwData,  u8 enable)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if (pHwData->SurpriseRemove) return;
+	if (enable) {
+		pWb35Reg->M00_MacControl |= 0x00400000;
+		Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl );
+	} else {
+		pWb35Reg->M00_MacControl&=~0x00400000;
+		Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl );
+	}
+}
+
+void hal_set_accept_multicast(  phw_data_t pHwData,  u8 enable )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	pWb35Reg->M00_MacControl &= ~0x01000000;//The HW value
+	if (enable)  pWb35Reg->M00_MacControl |= 0x01000000;//The HW value
+	Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl );
+}
+
+void hal_set_accept_beacon(  phw_data_t pHwData,  u8 enable )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	// 20040108 debug
+	if( !enable )//Due to SME and MLME are not suitable for 35
+		return;
+
+	pWb35Reg->M00_MacControl &= ~0x04000000;//The HW value
+	if( enable )
+		pWb35Reg->M00_MacControl |= 0x04000000;//The HW value
+
+	Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl );
+}
+//---------------------------------------------------------------------------------------------------
+void hal_set_multicast_address( phw_data_t pHwData, PUCHAR address, u8 number )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	u8		Byte, Bit;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	//Erases and refills the card multicast registers. Used when an address
+	//    has been deleted and all bits must be recomputed.
+	pWb35Reg->M04_MulticastAddress1 = 0;
+	pWb35Reg->M08_MulticastAddress2 = 0;
+
+	while( number )
+	{
+		number--;
+		CardGetMulticastBit( (address+(number*ETH_LENGTH_OF_ADDRESS)), &Byte, &Bit);
+		pWb35Reg->Multicast[Byte] |= Bit;
+	}
+
+	// Updating register
+	Wb35Reg_BurstWrite( pHwData, 0x0804, (PULONG)pWb35Reg->Multicast, 2, AUTO_INCREMENT );
+}
+//---------------------------------------------------------------------------------------------------
+u8 hal_get_accept_beacon(  phw_data_t pHwData )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove ) return 0;
+
+	if( pWb35Reg->M00_MacControl & 0x04000000 )
+		return 1;
+	else
+		return 0;
+}
+
+unsigned char hal_reset_hardware( phw_data_t pHwData, void* ppa )
+{
+	// Not implement yet
+	return TRUE;
+}
+
+void hal_stop(  phw_data_t pHwData )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	pHwData->Wb35Rx.rx_halt = 1;
+	Wb35Rx_stop( pHwData );
+
+	pHwData->Wb35Tx.tx_halt = 1;
+	Wb35Tx_stop( pHwData );
+
+	pWb35Reg->D00_DmaControl &= ~0xc0000000;//Tx Off, Rx Off
+	Wb35Reg_Write( pHwData, 0x0400, pWb35Reg->D00_DmaControl );
+
+	WbUsb_Stop( pHwData ); // 20051230 Add.4
+}
+
+unsigned char hal_idle(phw_data_t pHwData)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	PWBUSB	pWbUsb = &pHwData->WbUsb;
+
+	if( !pHwData->SurpriseRemove && ( pWbUsb->DetectCount || pWb35Reg->EP0vm_state!=VM_STOP ) )
+		return FALSE;
+
+	return TRUE;
+}
+//---------------------------------------------------------------------------------------------------
+void hal_set_cwmin(  phw_data_t pHwData,  u8	cwin_min )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	pHwData->cwmin = cwin_min;
+	pWb35Reg->M2C_MacControl &= ~0x7c00;	//bit 10 ~ 14
+	pWb35Reg->M2C_MacControl |= (pHwData->cwmin<<10);
+	Wb35Reg_Write( pHwData, 0x082c, pWb35Reg->M2C_MacControl );
+}
+
+s32 hal_get_rssi(  phw_data_t pHwData,  u32 *HalRssiArry,  u8 Count )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+	R01_DESCRIPTOR	r01;
+	s32 ltmp = 0, tmp;
+	u8	i;
+
+	if( pHwData->SurpriseRemove ) return -200;
+	if( Count > MAX_ACC_RSSI_COUNT ) // Because the TS may use this funtion
+		Count = MAX_ACC_RSSI_COUNT;
+
+	// RSSI = C1 + C2 * (agc_state[7:0] + offset_map(lna_state[1:0]))
+	// C1 = -195, C2 = 0.66 = 85/128
+	for (i=0; i<Count; i++)
+	{
+		r01.value = HalRssiArry[i];
+		tmp = ((( r01.R01_AGC_state + pWb35Reg->LNAValue[r01.R01_LNA_state]) * 85 ) >>7 ) - 195;
+		ltmp += tmp;
+	}
+	ltmp /= Count;
+	if( pHwData->phy_type == RF_AIROHA_2230 ) ltmp -= 5; // 10;
+	if( pHwData->phy_type == RF_AIROHA_2230S ) ltmp -= 5; // 10; 20060420 Add this
+
+	//if( ltmp < -200 ) ltmp = -200;
+	if( ltmp < -110 ) ltmp = -110;// 1.0.24.0 For NJRC
+
+	return ltmp;
+}
+//----------------------------------------------------------------------------------------------------
+s32 hal_get_rssi_bss(  phw_data_t pHwData,  u16 idx,  u8 Count )
+{
+	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
+	R01_DESCRIPTOR	r01;
+	s32 ltmp = 0, tmp;
+	u8	i, j;
+	PADAPTER	Adapter = pHwData->Adapter;
+//	u32 *HalRssiArry = psBSS(idx)->HalRssi;
+
+	if( pHwData->SurpriseRemove ) return -200;
+	if( Count > MAX_ACC_RSSI_COUNT ) // Because the TS may use this funtion
+		Count = MAX_ACC_RSSI_COUNT;
+
+	// RSSI = C1 + C2 * (agc_state[7:0] + offset_map(lna_state[1:0]))
+	// C1 = -195, C2 = 0.66 = 85/128
+#if 0
+	for (i=0; i<Count; i++)
+	{
+		r01.value = HalRssiArry[i];
+		tmp = ((( r01.R01_AGC_state + pWb35Reg->LNAValue[r01.R01_LNA_state]) * 85 ) >>7 ) - 195;
+		ltmp += tmp;
+	}
+#else
+	if (psBSS(idx)->HalRssiIndex == 0)
+		psBSS(idx)->HalRssiIndex = MAX_ACC_RSSI_COUNT;
+	j = (u8)psBSS(idx)->HalRssiIndex-1;
+
+	for (i=0; i<Count; i++)
+	{
+		r01.value = psBSS(idx)->HalRssi[j];
+		tmp = ((( r01.R01_AGC_state + pWb35Reg->LNAValue[r01.R01_LNA_state]) * 85 ) >>7 ) - 195;
+		ltmp += tmp;
+		if (j == 0)
+		{
+			j = MAX_ACC_RSSI_COUNT;
+		}
+		j--;
+	}
+#endif
+	ltmp /= Count;
+	if( pHwData->phy_type == RF_AIROHA_2230 ) ltmp -= 5; // 10;
+	if( pHwData->phy_type == RF_AIROHA_2230S ) ltmp -= 5; // 10; 20060420 Add this
+
+	//if( ltmp < -200 ) ltmp = -200;
+	if( ltmp < -110 ) ltmp = -110;// 1.0.24.0 For NJRC
+
+	return ltmp;
+}
+
+//---------------------------------------------------------------------------
+void hal_led_control_1a(  phw_data_t pHwData )
+{
+	hal_led_control( NULL, pHwData, NULL, NULL );
+}
+
+void hal_led_control(  void* S1,  phw_data_t pHwData,  void* S3,  void* S4 )
+{
+	PADAPTER	Adapter = pHwData->Adapter;
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+	u32	LEDSet = (pHwData->SoftwareSet & HAL_LED_SET_MASK) >> HAL_LED_SET_SHIFT;
+	u8	LEDgray[20] = { 0,3,4,6,8,10,11,12,13,14,15,14,13,12,11,10,8,6,4,2 };
+	u8	LEDgray2[30] = { 7,8,9,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0,0,0,0,0,15,14,13,12,11,10,9,8 };
+	u32	TimeInterval = 500, ltmp, ltmp2;
+        ltmp=0;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	if( pHwData->LED_control ) {
+		ltmp2 = pHwData->LED_control & 0xff;
+		if( ltmp2 == 5 ) // 5 is WPS mode
+		{
+			TimeInterval = 100;
+			ltmp2 = (pHwData->LED_control>>8) & 0xff;
+			switch( ltmp2 )
+			{
+				case 1: // [0.2 On][0.1 Off]...
+					pHwData->LED_Blinking %= 3;
+					ltmp = 0x1010; // Led 1 & 0 Green and Red
+					if( pHwData->LED_Blinking == 2 ) // Turn off
+						ltmp = 0;
+					break;
+				case 2: // [0.1 On][0.1 Off]...
+					pHwData->LED_Blinking %= 2;
+					ltmp = 0x0010; // Led 0 red color
+					if( pHwData->LED_Blinking ) // Turn off
+						ltmp = 0;
+					break;
+				case 3: // [0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.1 On][0.1 Off][0.5 Off]...
+					pHwData->LED_Blinking %= 15;
+					ltmp = 0x0010; // Led 0 red color
+					if( (pHwData->LED_Blinking >= 9) || (pHwData->LED_Blinking%2) ) // Turn off 0.6 sec
+						ltmp = 0;
+					break;
+				case 4: // [300 On][ off ]
+					ltmp = 0x1000; // Led 1 Green color
+					if( pHwData->LED_Blinking >= 3000 )
+						ltmp = 0; // led maybe on after 300sec * 32bit counter overlap.
+					break;
+			}
+			pHwData->LED_Blinking++;
+
+			pWb35Reg->U1BC_LEDConfigure = ltmp;
+			if( LEDSet != 7 ) // Only 111 mode has 2 LEDs on PCB.
+			{
+				pWb35Reg->U1BC_LEDConfigure |= (ltmp &0xff)<<8; // Copy LED result to each LED control register
+				pWb35Reg->U1BC_LEDConfigure |= (ltmp &0xff00)>>8;
+			}
+			Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure );
+		}
+	}
+	else if( pHwData->CurrentRadioSw || pHwData->CurrentRadioHw ) // If radio off
+	{
+		if( pWb35Reg->U1BC_LEDConfigure & 0x1010 )
+		{
+			pWb35Reg->U1BC_LEDConfigure &= ~0x1010;
+			Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure );
+		}
+	}
+	else
+	{
+		switch( LEDSet )
+		{
+			case 4: // [100] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing
+				if( !pHwData->LED_LinkOn ) // Blink only if not Link On
+				{
+					// Blinking if scanning is on progress
+					if( pHwData->LED_Scanning )
+					{
+						if( pHwData->LED_Blinking == 0 )
+						{
+							pWb35Reg->U1BC_LEDConfigure |= 0x10;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 On
+							pHwData->LED_Blinking = 1;
+							TimeInterval = 300;
+						}
+						else
+						{
+							pWb35Reg->U1BC_LEDConfigure &= ~0x10;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off
+							pHwData->LED_Blinking = 0;
+							TimeInterval = 300;
+						}
+					}
+					else
+					{
+						//Turn Off LED_0
+						if( pWb35Reg->U1BC_LEDConfigure & 0x10 )
+						{
+							pWb35Reg->U1BC_LEDConfigure &= ~0x10;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off
+						}
+					}
+				}
+				else
+				{
+					// Turn On LED_0
+					if( (pWb35Reg->U1BC_LEDConfigure & 0x10) == 0 )
+					{
+						pWb35Reg->U1BC_LEDConfigure |= 0x10;
+						Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off
+					}
+				}
+				break;
+
+			case 6: // [110] Only 1 Led be placed on PCB and use pin 21 of IC. Use LED_0 for showing
+				if( !pHwData->LED_LinkOn ) // Blink only if not Link On
+				{
+					// Blinking if scanning is on progress
+					if( pHwData->LED_Scanning )
+					{
+						if( pHwData->LED_Blinking == 0 )
+						{
+							pWb35Reg->U1BC_LEDConfigure &= ~0xf;
+							pWb35Reg->U1BC_LEDConfigure |= 0x10;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 On
+							pHwData->LED_Blinking = 1;
+							TimeInterval = 300;
+						}
+						else
+						{
+							pWb35Reg->U1BC_LEDConfigure &= ~0x1f;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off
+							pHwData->LED_Blinking = 0;
+							TimeInterval = 300;
+						}
+					}
+					else
+					{
+						// 20060901 Gray blinking if in disconnect state and not scanning
+						ltmp = pWb35Reg->U1BC_LEDConfigure;
+						pWb35Reg->U1BC_LEDConfigure &= ~0x1f;
+						if( LEDgray2[(pHwData->LED_Blinking%30)] )
+						{
+							pWb35Reg->U1BC_LEDConfigure |= 0x10;
+							pWb35Reg->U1BC_LEDConfigure |= LEDgray2[ (pHwData->LED_Blinking%30) ];
+						}
+						pHwData->LED_Blinking++;
+						if( pWb35Reg->U1BC_LEDConfigure != ltmp )
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off
+						TimeInterval = 100;
+					}
+				}
+				else
+				{
+					// Turn On LED_0
+					if( (pWb35Reg->U1BC_LEDConfigure & 0x10) == 0 )
+					{
+						pWb35Reg->U1BC_LEDConfigure |= 0x10;
+						Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_0 Off
+					}
+				}
+				break;
+
+			case 5: // [101] Only 1 Led be placed on PCB and use LED_1 for showing
+				if( !pHwData->LED_LinkOn ) // Blink only if not Link On
+				{
+					// Blinking if scanning is on progress
+					if( pHwData->LED_Scanning )
+					{
+						if( pHwData->LED_Blinking == 0 )
+						{
+							pWb35Reg->U1BC_LEDConfigure |= 0x1000;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 On
+							pHwData->LED_Blinking = 1;
+							TimeInterval = 300;
+						}
+						else
+						{
+							pWb35Reg->U1BC_LEDConfigure &= ~0x1000;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 Off
+							pHwData->LED_Blinking = 0;
+							TimeInterval = 300;
+						}
+					}
+					else
+					{
+						//Turn Off LED_1
+						if( pWb35Reg->U1BC_LEDConfigure & 0x1000 )
+						{
+							pWb35Reg->U1BC_LEDConfigure &= ~0x1000;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 Off
+						}
+					}
+				}
+				else
+				{
+					// Is transmitting/receiving ??
+					if( (OS_CURRENT_RX_BYTE( Adapter ) != pHwData->RxByteCountLast ) ||
+						(OS_CURRENT_TX_BYTE( Adapter ) != pHwData->TxByteCountLast ) )
+					{
+						if( (pWb35Reg->U1BC_LEDConfigure & 0x3000) != 0x3000 )
+						{
+							pWb35Reg->U1BC_LEDConfigure |= 0x3000;
+							Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 On
+						}
+
+						// Update variable
+						pHwData->RxByteCountLast = OS_CURRENT_RX_BYTE( Adapter );
+						pHwData->TxByteCountLast = OS_CURRENT_TX_BYTE( Adapter );
+						TimeInterval = 200;
+					}
+					else
+					{
+						// Turn On LED_1 and blinking if transmitting/receiving
+						 if( (pWb35Reg->U1BC_LEDConfigure & 0x3000) != 0x1000 )
+						 {
+							 pWb35Reg->U1BC_LEDConfigure &= ~0x3000;
+							 pWb35Reg->U1BC_LEDConfigure |= 0x1000;
+							 Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure ); // LED_1 On
+						 }
+					}
+				}
+				break;
+
+			default: // Default setting. 2 LED be placed on PCB. LED_0: Link On LED_1 Active
+				if( (pWb35Reg->U1BC_LEDConfigure & 0x3000) != 0x3000 )
+				{
+					pWb35Reg->U1BC_LEDConfigure |= 0x3000;// LED_1 is always on and event enable
+					Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure );
+				}
+
+				if( pHwData->LED_Blinking )
+				{
+					// Gray blinking
+					pWb35Reg->U1BC_LEDConfigure &= ~0x0f;
+					pWb35Reg->U1BC_LEDConfigure |= 0x10;
+					pWb35Reg->U1BC_LEDConfigure |= LEDgray[ (pHwData->LED_Blinking-1)%20 ];
+					Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure );
+
+					pHwData->LED_Blinking += 2;
+					if( pHwData->LED_Blinking < 40 )
+						TimeInterval = 100;
+					else
+					{
+						pHwData->LED_Blinking = 0; // Stop blinking
+						pWb35Reg->U1BC_LEDConfigure &= ~0x0f;
+						Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure );
+					}
+					break;
+				}
+
+				if( pHwData->LED_LinkOn )
+				{
+					if( !(pWb35Reg->U1BC_LEDConfigure & 0x10) ) // Check the LED_0
+					{
+						//Try to turn ON LED_0 after gray blinking
+						pWb35Reg->U1BC_LEDConfigure |= 0x10;
+						pHwData->LED_Blinking = 1; //Start blinking
+						TimeInterval = 50;
+					}
+				}
+				else
+				{
+					if( pWb35Reg->U1BC_LEDConfigure & 0x10 ) // Check the LED_0
+					{
+						pWb35Reg->U1BC_LEDConfigure &= ~0x10;
+						Wb35Reg_Write( pHwData, 0x03bc, pWb35Reg->U1BC_LEDConfigure );
+					}
+				}
+				break;
+		}
+
+		//20060828.1 Active send null packet to avoid AP disconnect
+		if( pHwData->LED_LinkOn )
+		{
+			pHwData->NullPacketCount += TimeInterval;
+			if( pHwData->NullPacketCount >= DEFAULT_NULL_PACKET_COUNT )
+			{
+				pHwData->NullPacketCount = 0;
+			}
+		}
+	}
+
+	pHwData->time_count += TimeInterval;
+	Wb35Tx_CurrentTime( pHwData, pHwData->time_count ); // 20060928 add
+	OS_TIMER_SET( &pHwData->LEDTimer, TimeInterval ); // 20060623.1
+}
+
+
+void hal_set_phy_type(  phw_data_t pHwData,  u8 PhyType )
+{
+	pHwData->phy_type = PhyType;
+}
+
+void hal_get_phy_type(  phw_data_t pHwData,  u8 *PhyType )
+{
+	*PhyType = pHwData->phy_type;
+}
+
+void hal_reset_counter(  phw_data_t pHwData )
+{
+	pHwData->dto_tx_retry_count = 0;
+	pHwData->dto_tx_frag_count = 0;
+	memset( pHwData->tx_retry_count, 0, 8);
+}
+
+void hal_set_radio_mode( phw_data_t pHwData,  unsigned char radio_off)
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove ) return;
+
+	if (radio_off)	//disable Baseband receive off
+	{
+		pHwData->CurrentRadioSw = 1; // off
+		pWb35Reg->M24_MacControl &= 0xffffffbf;
+	}
+	else
+	{
+		pHwData->CurrentRadioSw = 0; // on
+		pWb35Reg->M24_MacControl |= 0x00000040;
+	}
+	Wb35Reg_Write( pHwData, 0x0824, pWb35Reg->M24_MacControl );
+}
+
+u8 hal_get_antenna_number(  phw_data_t pHwData )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if ((pWb35Reg->BB2C & BIT(11)) == 0)
+		return 0;
+	else
+		return 1;
+}
+
+void hal_set_antenna_number(  phw_data_t pHwData, u8 number )
+{
+
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if (number == 1) {
+		pWb35Reg->BB2C |= BIT(11);
+	} else {
+		pWb35Reg->BB2C &= ~BIT(11);
+	}
+	Wb35Reg_Write( pHwData, 0x102c, pWb35Reg->BB2C );
+#ifdef _PE_STATE_DUMP_
+	WBDEBUG(("Current antenna number : %d\n", number));
+#endif
+}
+
+//----------------------------------------------------------------------------------------------------
+//0 : radio on; 1: radio off
+u8 hal_get_hw_radio_off(  phw_data_t pHwData )
+{
+	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
+
+	if( pHwData->SurpriseRemove ) return 1;
+
+	//read the bit16 of register U1B0
+	Wb35Reg_Read( pHwData, 0x3b0, &pWb35Reg->U1B0 );
+	if ((pWb35Reg->U1B0 & 0x00010000)) {
+		pHwData->CurrentRadioHw = 1;
+		return 1;
+	} else {
+		pHwData->CurrentRadioHw = 0;
+		return 0;
+	}
+}
+
+unsigned char hal_get_dxx_reg(  phw_data_t pHwData,  u16 number,  PULONG pValue )
+{
+	if( number < 0x1000 )
+		number += 0x1000;
+	return Wb35Reg_ReadSync( pHwData, number, pValue );
+}
+
+unsigned char hal_set_dxx_reg(  phw_data_t pHwData,  u16 number,  u32 value )
+{
+	unsigned char	ret;
+
+	if( number < 0x1000 )
+		number += 0x1000;
+	ret = Wb35Reg_WriteSync( pHwData, number, value );
+	return ret;
+}
+
+void hal_scan_status_indicate(phw_data_t pHwData, unsigned char IsOnProgress)
+{
+	if( pHwData->SurpriseRemove ) return;
+	pHwData->LED_Scanning = IsOnProgress ? 1 : 0;
+}
+
+void hal_system_power_change(phw_data_t pHwData, u32 PowerState)
+{
+	if( PowerState != 0 )
+	{
+		pHwData->SurpriseRemove = 1;
+		if( pHwData->WbUsb.IsUsb20 )
+			hal_stop( pHwData );
+	}
+	else
+	{
+		if( !pHwData->WbUsb.IsUsb20 )
+			hal_stop( pHwData );
+	}
+}
+
+void hal_surprise_remove(  phw_data_t pHwData )
+{
+	PADAPTER Adapter = pHwData->Adapter;
+	if (OS_ATOMIC_INC( Adapter, &pHwData->SurpriseRemoveCount ) == 1) {
+		#ifdef _PE_STATE_DUMP_
+		WBDEBUG(("Calling hal_surprise_remove\n"));
+		#endif
+		OS_STOP( Adapter );
+	}
+}
+
+void hal_rate_change(  phw_data_t pHwData ) // Notify the HAL rate is changing 20060613.1
+{
+	PADAPTER	Adapter = pHwData->Adapter;
+	u8		rate = CURRENT_TX_RATE;
+
+	BBProcessor_RateChanging( pHwData, rate );
+}
+
+void hal_set_rf_power(phw_data_t pHwData, u8 PowerIndex)
+{
+	RFSynthesizer_SetPowerIndex( pHwData, PowerIndex );
+}
+
+unsigned char hal_set_LED(phw_data_t pHwData, u32 Mode) // 20061108 for WPS led control
+{
+	pHwData->LED_Blinking = 0;
+	pHwData->LED_control = Mode;
+	OS_TIMER_SET( &pHwData->LEDTimer, 10 ); // 20060623
+	return TRUE;
+}
+
diff --git a/drivers/staging/winbond/wbhal_f.h b/drivers/staging/winbond/wbhal_f.h
new file mode 100644
index 00000000000..fe25f97af72
--- /dev/null
+++ b/drivers/staging/winbond/wbhal_f.h
@@ -0,0 +1,122 @@
+//=====================================================================
+// Device related include
+//=====================================================================
+#ifdef WB_LINUX
+	#include "linux/wbusb_f.h"
+	#include "linux/wb35reg_f.h"
+	#include "linux/wb35tx_f.h"
+	#include "linux/wb35rx_f.h"
+#else
+	#include "wbusb_f.h"
+	#include "wb35reg_f.h"
+	#include "wb35tx_f.h"
+	#include "wb35rx_f.h"
+#endif
+
+//====================================================================================
+// Function declaration
+//====================================================================================
+void hal_remove_mapping_key(  phw_data_t pHwData,  PUCHAR pmac_addr );
+void hal_remove_default_key(  phw_data_t pHwData,  u32 index );
+unsigned char hal_set_mapping_key(  phw_data_t Adapter,  PUCHAR pmac_addr,  u8 null_key,  u8 wep_on,  PUCHAR ptx_tsc,  PUCHAR prx_tsc,  u8 key_type,  u8 key_len,  PUCHAR pkey_data );
+unsigned char hal_set_default_key(  phw_data_t Adapter,  u8 index,  u8 null_key,  u8 wep_on,  PUCHAR ptx_tsc,  PUCHAR prx_tsc,  u8 key_type,  u8 key_len,  PUCHAR pkey_data );
+void hal_clear_all_default_key(  phw_data_t pHwData );
+void hal_clear_all_group_key(  phw_data_t pHwData );
+void hal_clear_all_mapping_key(  phw_data_t pHwData );
+void hal_clear_all_key(  phw_data_t pHwData );
+void hal_get_ethernet_address(  phw_data_t pHwData,  PUCHAR current_address );
+void hal_set_ethernet_address(  phw_data_t pHwData,  PUCHAR current_address );
+void hal_get_permanent_address(  phw_data_t pHwData,  PUCHAR pethernet_address );
+unsigned char hal_init_hardware(  phw_data_t pHwData,  PADAPTER Adapter );
+void hal_set_power_save_mode(  phw_data_t pHwData,  unsigned char power_save,  unsigned char wakeup,  unsigned char dtim );
+void hal_get_power_save_mode(  phw_data_t pHwData,   PBOOLEAN pin_pwr_save );
+void hal_set_slot_time(  phw_data_t pHwData,  u8 type );
+#define hal_set_atim_window( _A, _ATM )
+void hal_set_rates(  phw_data_t pHwData,  PUCHAR pbss_rates,  u8 length,  unsigned char basic_rate_set );
+#define hal_set_basic_rates( _A, _R, _L ) hal_set_rates( _A, _R, _L, TRUE )
+#define hal_set_op_rates( _A, _R, _L ) hal_set_rates( _A, _R, _L, FALSE )
+void hal_start_bss(  phw_data_t pHwData,  u8 mac_op_mode );
+void hal_join_request(  phw_data_t pHwData,  u8 bss_type ); // 0:BSS STA 1:IBSS STA//
+void hal_stop_sync_bss(  phw_data_t pHwData );
+void hal_resume_sync_bss(  phw_data_t pHwData);
+void hal_set_aid(  phw_data_t pHwData,  u16 aid );
+void hal_set_bssid(  phw_data_t pHwData,  PUCHAR pbssid );
+void hal_get_bssid(  phw_data_t pHwData,  PUCHAR pbssid );
+void hal_set_beacon_period(  phw_data_t pHwData,  u16 beacon_period );
+void hal_set_listen_interval(  phw_data_t pHwData,  u16 listen_interval );
+void hal_set_cap_info(  phw_data_t pHwData,  u16 capability_info );
+void hal_set_ssid(  phw_data_t pHwData,  PUCHAR pssid,  u8 ssid_len );
+void hal_set_current_channel(  phw_data_t pHwData,  ChanInfo channel );
+void hal_set_current_channel_ex(  phw_data_t pHwData,  ChanInfo channel );
+void hal_get_current_channel(  phw_data_t pHwData,  ChanInfo *channel );
+void hal_set_accept_broadcast(  phw_data_t pHwData,  u8 enable );
+void hal_set_accept_multicast(  phw_data_t pHwData,  u8 enable );
+void hal_set_accept_beacon(  phw_data_t pHwData,  u8 enable );
+void hal_set_multicast_address(  phw_data_t pHwData,  PUCHAR address,  u8 number );
+u8 hal_get_accept_beacon(  phw_data_t pHwData );
+void hal_stop(  phw_data_t pHwData );
+void hal_halt(  phw_data_t pHwData, void *ppa_data );
+void hal_start_tx0(  phw_data_t pHwData );
+void hal_set_phy_type(  phw_data_t pHwData,  u8 PhyType );
+void hal_get_phy_type(  phw_data_t pHwData,  u8 *PhyType );
+unsigned char hal_reset_hardware(  phw_data_t pHwData,  void* ppa );
+void hal_set_cwmin(  phw_data_t pHwData,  u8	cwin_min );
+#define hal_get_cwmin( _A ) ( (_A)->cwmin )
+void hal_set_cwmax(  phw_data_t pHwData,  u16 cwin_max );
+#define hal_get_cwmax( _A ) ( (_A)->cwmax )
+void hal_set_rsn_wpa(  phw_data_t pHwData,  u32 * RSN_IE_Bitmap , u32 * RSN_OUI_type , unsigned char bDesiredAuthMode);
+//s32 hal_get_rssi(  phw_data_t pHwData,  u32 HalRssi );
+s32 hal_get_rssi(  phw_data_t pHwData,  u32 *HalRssiArry,  u8 Count );
+s32 hal_get_rssi_bss(  phw_data_t pHwData,  u16 idx,  u8 Count );
+void hal_set_connect_info(  phw_data_t pHwData,  unsigned char boConnect );
+u8 hal_get_est_sq3(  phw_data_t pHwData,  u8 Count );
+void hal_led_control_1a(  phw_data_t pHwData );
+void hal_led_control(  void* S1,  phw_data_t pHwData,  void* S3,  void* S4 );
+void hal_set_rf_power(  phw_data_t pHwData,  u8 PowerIndex ); // 20060621 Modify
+void hal_reset_counter(  phw_data_t pHwData );
+void hal_set_radio_mode(  phw_data_t pHwData,  unsigned char boValue);
+void hal_descriptor_indicate(  phw_data_t pHwData,  PDESCRIPTOR pDes );
+u8 hal_get_antenna_number(  phw_data_t pHwData );
+void hal_set_antenna_number(  phw_data_t pHwData, u8 number );
+u32 hal_get_bss_pk_cnt(  phw_data_t pHwData );
+#define hal_get_region_from_EEPROM( _A ) ( (_A)->Wb35Reg.EEPROMRegion )
+void hal_set_accept_promiscuous		(  phw_data_t pHwData,  u8 enable);
+#define hal_get_tx_buffer( _A, _B ) Wb35Tx_get_tx_buffer( _A, _B )
+u8 hal_get_hw_radio_off			(  phw_data_t pHwData );
+#define hal_software_set( _A )		(_A->SoftwareSet)
+#define hal_driver_init_OK( _A )	(_A->IsInitOK)
+#define hal_rssi_boundary_high( _A ) (_A->RSSI_high)
+#define hal_rssi_boundary_low( _A ) (_A->RSSI_low)
+#define hal_scan_interval( _A )		(_A->Scan_Interval)
+void hal_scan_status_indicate(  phw_data_t pHwData, u8 status);	// 0: complete, 1: in progress
+void hal_system_power_change(  phw_data_t pHwData, u32 PowerState ); // 20051230 -=D0 1=D1 ..
+void hal_surprise_remove(  phw_data_t pHwData );
+
+#define PHY_DEBUG( msg, args... )
+
+
+
+void hal_rate_change(  phw_data_t pHwData ); // Notify the HAL rate is changing 20060613.1
+unsigned char hal_get_dxx_reg(  phw_data_t pHwData,  u16 number,  PULONG pValue );
+unsigned char hal_set_dxx_reg(  phw_data_t pHwData,  u16 number,  u32 value );
+#define hal_get_time_count( _P )	(_P->time_count/10)	// return 100ms count
+#define hal_detect_error( _P )		(_P->WbUsb.DetectCount)
+unsigned char hal_set_LED(  phw_data_t pHwData,  u32 Mode ); // 20061108 for WPS led control
+
+//-------------------------------------------------------------------------
+// The follow function is unused for IS89C35
+//-------------------------------------------------------------------------
+#define hal_disable_interrupt(_A)
+#define hal_enable_interrupt(_A)
+#define hal_get_interrupt_type( _A)
+#define hal_get_clear_interrupt(_A)
+#define hal_ibss_disconnect(_A) hal_stop_sync_bss(_A)
+#define hal_join_request_stop(_A)
+unsigned char	hal_idle(  phw_data_t pHwData );
+#define pa_stall_execution( _A )	//OS_SLEEP( 1 )
+#define hw_get_cxx_reg( _A, _B, _C )
+#define hw_set_cxx_reg( _A, _B, _C )
+#define hw_get_dxx_reg( _A, _B, _C )	hal_get_dxx_reg( _A, _B, (PULONG)_C )
+#define hw_set_dxx_reg( _A, _B, _C )	hal_set_dxx_reg( _A, _B, (u32)_C )
+
+
diff --git a/drivers/staging/winbond/wbhal_s.h b/drivers/staging/winbond/wbhal_s.h
new file mode 100644
index 00000000000..5b862ff357b
--- /dev/null
+++ b/drivers/staging/winbond/wbhal_s.h
@@ -0,0 +1,615 @@
+//[20040722 WK]
+#define HAL_LED_SET_MASK		0x001c	//20060901 Extend
+#define HAL_LED_SET_SHIFT		2
+
+//supported RF type
+#define RF_MAXIM_2825		0
+#define RF_MAXIM_2827		1
+#define RF_MAXIM_2828		2
+#define RF_MAXIM_2829		3
+#define RF_MAXIM_V1			15
+#define RF_AIROHA_2230		16
+#define RF_AIROHA_7230		17
+#define RF_AIROHA_2230S		18	// 20060420 Add this
+// #define RF_RFMD_2959		32	// 20060626 Remove all about RFMD
+#define RF_WB_242			33
+#define RF_WB_242_1			34	// 20060619.5 Add
+#define RF_DECIDE_BY_INF	255
+
+//----------------------------------------------------------------
+// The follow define connect to upper layer
+//	User must modify for connection between HAL and upper layer
+//----------------------------------------------------------------
+
+
+
+
+/////////////////////////////////////////////////////////////////////////////////////////////////////
+//================================================================================================
+// Common define
+//================================================================================================
+#define HAL_USB_MODE_BURST( _H )	(_H->SoftwareSet & 0x20 ) // Bit 5 20060901 Modify
+
+// Scan interval
+#define SCAN_MAX_CHNL_TIME				(50)
+
+// For TxL2 Frame typr recognise
+#define FRAME_TYPE_802_3_DATA			0
+#define FRAME_TYPE_802_11_MANAGEMENT		1
+#define FRAME_TYPE_802_11_MANAGEMENT_CHALLENGE  2
+#define FRAME_TYPE_802_11_CONTROL		3
+#define FRAME_TYPE_802_11_DATA			4
+#define FRAME_TYPE_PROMISCUOUS			5
+
+// The follow definition is used for convert the frame--------------------
+#define DOT_11_SEQUENCE_OFFSET		22 //Sequence control offset
+#define DOT_3_TYPE_OFFSET			12
+#define DOT_11_MAC_HEADER_SIZE		24
+#define DOT_11_SNAP_SIZE			6
+#define DOT_11_TYPE_OFFSET			30 //The start offset of 802.11 Frame. Type encapsulatuin.
+#define DEFAULT_SIFSTIME			10
+#define DEFAULT_FRAGMENT_THRESHOLD		2346 // No fragment
+#define DEFAULT_MSDU_LIFE_TIME			0xffff
+
+#define LONG_PREAMBLE_PLUS_PLCPHEADER_TIME						(144+48)
+#define SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME 					(72+24)
+#define PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION				(16+4+6)
+#define Tsym 4
+
+//  Frame Type of Bits (2, 3)---------------------------------------------
+#define MAC_TYPE_MANAGEMENT			0x00
+#define MAC_TYPE_CONTROL			0x04
+#define MAC_TYPE_DATA				0x08
+#define MASK_FRAGMENT_NUMBER		0x000F
+#define SEQUENCE_NUMBER_SHIFT		4
+
+#define  HAL_WOL_TYPE_WAKEUP_FRAME		0x01
+#define  HAL_WOL_TYPE_MAGIC_PACKET		0x02
+
+// 20040106 ADDED
+#define HAL_KEYTYPE_WEP40                       0
+#define HAL_KEYTYPE_WEP104                      1
+#define HAL_KEYTYPE_TKIP                        2 // 128 bit key
+#define HAL_KEYTYPE_AES_CCMP                    3 // 128 bit key
+
+// For VM state
+enum {
+	VM_STOP = 0,
+	VM_RUNNING,
+	VM_COMPLETED
+};
+
+// Be used for 802.11 mac header
+typedef struct _MAC_FRAME_CONTROL {
+	u8	mac_frame_info; // this is a combination of the protovl version, type and subtype
+	u8	to_ds:1;
+	u8	from_ds:1;
+	u8	more_frag:1;
+	u8	retry:1;
+	u8	pwr_mgt:1;
+	u8	more_data:1;
+	u8	WEP:1;
+	u8	order:1;
+} MAC_FRAME_CONTROL, *PMAC_FRAME_CONTROL;
+
+//-----------------------------------------------------
+// Normal Key table format
+//-----------------------------------------------------
+// The order of KEY index is MAPPING_KEY_START_INDEX > GROUP_KEY_START_INDEX
+#define MAX_KEY_TABLE				24	// 24 entry for storing key data
+#define GROUP_KEY_START_INDEX		4
+#define MAPPING_KEY_START_INDEX		8
+typedef struct _KEY_TABLE
+{
+	u32	DW0_Valid:1;
+	u32	DW0_NullKey:1;
+	u32	DW0_Security_Mode:2;//0:WEP 40 bit 1:WEP 104 bit 2:TKIP 128 bit 3:CCMP 128 bit
+	u32	DW0_WEPON:1;
+	u32	DW0_RESERVED:11;
+	u32	DW0_Address1:16;
+
+	u32	DW1_Address2;
+
+	u32	DW2_RxSequenceCount1;
+
+	u32	DW3_RxSequenceCount2:16;
+	u32	DW3_RESERVED:16;
+
+	u32	DW4_TxSequenceCount1;
+
+	u32	DW5_TxSequenceCount2:16;
+	u32	DW5_RESERVED:16;
+
+} KEY_TABLE, *PKEY_TABLE;
+
+//--------------------------------------------------------
+// 			 Descriptor
+//--------------------------------------------------------
+#define MAX_DESCRIPTOR_BUFFER_INDEX	8	// Have to multiple of 2
+//#define FLAG_ERROR_TX_MASK			cpu_to_le32(0x000000bf) //20061009 marked by anson's endian
+#define FLAG_ERROR_TX_MASK			0x000000bf  //20061009 anson's endian
+//#define FLAG_ERROR_RX_MASK			0x00000c3f
+//#define FLAG_ERROR_RX_MASK			cpu_to_le32(0x0000083f)	//20061009 marked by anson's endian
+									//Don't care replay error,
+												//it is handled by S/W
+#define FLAG_ERROR_RX_MASK			0x0000083f	//20060926 anson's endian
+
+#define FLAG_BAND_RX_MASK			0x10000000	//Bit 28
+
+typedef struct _R00_DESCRIPTOR
+{
+	union
+	{
+		u32	value;
+		#ifdef _BIG_ENDIAN_  //20060926 anson's endian
+		struct
+		{
+			u32	R00_packet_or_buffer_status:1;
+			u32	R00_packet_in_fifo:1;
+			u32	R00_RESERVED:2;
+			u32	R00_receive_byte_count:12;
+			u32	R00_receive_time_index:16;
+		};
+		#else
+		struct
+		{
+			u32	R00_receive_time_index:16;
+			u32	R00_receive_byte_count:12;
+			u32	R00_RESERVED:2;
+			u32	R00_packet_in_fifo:1;
+			u32	R00_packet_or_buffer_status:1;
+		};
+		#endif
+	};
+} R00_DESCRIPTOR, *PR00_DESCRIPTOR;
+
+typedef struct _T00_DESCRIPTOR
+{
+	union
+	{
+		u32	value;
+		#ifdef _BIG_ENDIAN_  //20061009 anson's endian
+		struct
+		{
+			u32	T00_first_mpdu:1; // for hardware use
+			u32	T00_last_mpdu:1; // for hardware use
+			u32	T00_IsLastMpdu:1;// 0: not   1:Yes for software used
+			u32	T00_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
+			u32	T00_RESERVED_ID:2;//3 bit ID reserved
+			u32	T00_tx_packet_id:4;//930519.4.e 930810.3.c
+			u32	T00_RESERVED:4;
+			u32	T00_header_length:6;
+			u32	T00_frame_length:12;
+		};
+		#else
+		struct
+		{
+			u32	T00_frame_length:12;
+			u32	T00_header_length:6;
+			u32	T00_RESERVED:4;
+			u32	T00_tx_packet_id:4;//930519.4.e 930810.3.c
+			u32	T00_RESERVED_ID:2;//3 bit ID reserved
+			u32	T00_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
+			u32	T00_IsLastMpdu:1;// 0: not   1:Yes for software used
+			u32	T00_last_mpdu:1; // for hardware use
+			u32	T00_first_mpdu:1; // for hardware use
+		};
+		#endif
+	};
+} T00_DESCRIPTOR, *PT00_DESCRIPTOR;
+
+typedef struct _R01_DESCRIPTOR
+{
+	union
+	{
+		u32	value;
+		#ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
+		struct
+		{
+			u32	R01_RESERVED:3;
+			u32	R01_mod_type:1;
+			u32	R01_pre_type:1;
+			u32	R01_data_rate:3;
+			u32	R01_AGC_state:8;
+			u32	R01_LNA_state:2;
+			u32	R01_decryption_method:2;
+			u32	R01_mic_error:1;
+			u32	R01_replay:1;
+			u32	R01_broadcast_frame:1;
+			u32	R01_multicast_frame:1;
+			u32	R01_directed_frame:1;
+			u32	R01_receive_frame_antenna_selection:1;
+			u32	R01_frame_receive_during_atim_window:1;
+			u32	R01_protocol_version_error:1;
+			u32	R01_authentication_frame_icv_error:1;
+			u32	R01_null_key_to_authentication_frame:1;
+			u32	R01_icv_error:1;
+			u32	R01_crc_error:1;
+		};
+		#else
+		struct
+		{
+			u32	R01_crc_error:1;
+			u32	R01_icv_error:1;
+			u32	R01_null_key_to_authentication_frame:1;
+			u32	R01_authentication_frame_icv_error:1;
+			u32	R01_protocol_version_error:1;
+			u32	R01_frame_receive_during_atim_window:1;
+			u32	R01_receive_frame_antenna_selection:1;
+			u32	R01_directed_frame:1;
+			u32	R01_multicast_frame:1;
+			u32	R01_broadcast_frame:1;
+			u32	R01_replay:1;
+			u32	R01_mic_error:1;
+			u32	R01_decryption_method:2;
+			u32	R01_LNA_state:2;
+			u32	R01_AGC_state:8;
+			u32	R01_data_rate:3;
+			u32	R01_pre_type:1;
+			u32	R01_mod_type:1;
+			u32	R01_RESERVED:3;
+		};
+		#endif
+	};
+} R01_DESCRIPTOR, *PR01_DESCRIPTOR;
+
+typedef struct _T01_DESCRIPTOR
+{
+	union
+	{
+		u32	value;
+		#ifdef _BIG_ENDIAN_ //20061009 anson's endian
+		struct
+		{
+			u32	T01_rts_cts_duration:16;
+			u32	T01_fall_back_rate:3;
+			u32	T01_add_rts:1;
+			u32	T01_add_cts:1;
+			u32	T01_modulation_type:1;
+			u32	T01_plcp_header_length:1;
+			u32	T01_transmit_rate:3;
+			u32	T01_wep_id:2;
+			u32	T01_add_challenge_text:1;
+			u32	T01_inhibit_crc:1;
+			u32	T01_loop_back_wep_mode:1;
+			u32	T01_retry_abort_ebable:1;
+		};
+		#else
+		struct
+		{
+			u32	T01_retry_abort_ebable:1;
+			u32	T01_loop_back_wep_mode:1;
+			u32	T01_inhibit_crc:1;
+			u32	T01_add_challenge_text:1;
+			u32	T01_wep_id:2;
+			u32	T01_transmit_rate:3;
+			u32	T01_plcp_header_length:1;
+			u32	T01_modulation_type:1;
+			u32	T01_add_cts:1;
+			u32	T01_add_rts:1;
+			u32	T01_fall_back_rate:3;
+			u32	T01_rts_cts_duration:16;
+		};
+		#endif
+	};
+} T01_DESCRIPTOR, *PT01_DESCRIPTOR;
+
+typedef struct _T02_DESCRIPTOR
+{
+	union
+	{
+		u32	value;
+		#ifdef _BIG_ENDIAN_  //20061009 add by anson's endian
+		struct
+		{
+			u32	T02_IsLastMpdu:1;// The same mechanism with T00 setting
+			u32	T02_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
+			u32	T02_RESERVED_ID:2;// The same mechanism with T00 setting
+			u32	T02_Tx_PktID:4;
+			u32	T02_MPDU_Cnt:4;
+			u32	T02_RTS_Cnt:4;
+			u32	T02_RESERVED:7;
+			u32	T02_transmit_complete:1;
+			u32	T02_transmit_abort_due_to_TBTT:1;
+			u32	T02_effective_transmission_rate:1;
+			u32	T02_transmit_without_encryption_due_to_wep_on_false:1;
+			u32	T02_discard_due_to_null_wep_key:1;
+			u32	T02_RESERVED_1:1;
+			u32	T02_out_of_MaxTxMSDULiftTime:1;
+			u32	T02_transmit_abort:1;
+			u32	T02_transmit_fail:1;
+		};
+		#else
+		struct
+		{
+			u32	T02_transmit_fail:1;
+			u32	T02_transmit_abort:1;
+			u32	T02_out_of_MaxTxMSDULiftTime:1;
+			u32	T02_RESERVED_1:1;
+			u32	T02_discard_due_to_null_wep_key:1;
+			u32	T02_transmit_without_encryption_due_to_wep_on_false:1;
+			u32	T02_effective_transmission_rate:1;
+			u32	T02_transmit_abort_due_to_TBTT:1;
+			u32	T02_transmit_complete:1;
+			u32	T02_RESERVED:7;
+			u32	T02_RTS_Cnt:4;
+			u32	T02_MPDU_Cnt:4;
+			u32	T02_Tx_PktID:4;
+			u32	T02_RESERVED_ID:2;// The same mechanism with T00 setting
+			u32	T02_IgnoreResult:1;// The same mechanism with T00 setting. 050111 Modify for TS
+			u32	T02_IsLastMpdu:1;// The same mechanism with T00 setting
+		};
+		#endif
+	};
+} T02_DESCRIPTOR, *PT02_DESCRIPTOR;
+
+typedef struct _DESCRIPTOR {		// Skip length = 8 DWORD
+	// ID for descriptor ---, The field doesn't be cleard in the operation of Descriptor definition
+	u8	Descriptor_ID;
+	//----------------------The above region doesn't be cleared by DESCRIPTOR_RESET------
+	u8	RESERVED[3];
+
+	u16	FragmentThreshold;
+	u8	InternalUsed;//Only can be used by operation of descriptor definition
+	u8	Type;// 0: 802.3	1:802.11 data frame	2:802.11 management frame
+
+	u8	PreambleMode;// 0: short 1:long
+	u8	TxRate;
+	u8	FragmentCount;
+	u8	EapFix; // For speed up key install
+
+	// For R00 and T00 ----------------------------------------------
+	union
+	{
+		R00_DESCRIPTOR	R00;
+		T00_DESCRIPTOR	T00;
+	};
+
+	// For R01 and T01 ----------------------------------------------
+	union
+	{
+		R01_DESCRIPTOR	R01;
+		T01_DESCRIPTOR	T01;
+	};
+
+	// For R02 and T02 ----------------------------------------------
+	union
+	{
+		u32			R02;
+		T02_DESCRIPTOR	T02;
+	};
+
+	// For R03 and T03 ----------------------------------------------
+	// For software used
+	union
+	{
+		u32	R03;
+		u32	T03;
+		struct
+		{
+			u8	buffer_number;
+			u8	buffer_start_index;
+			u16	buffer_total_size;
+		};
+	};
+
+	// For storing the buffer
+	u16	buffer_size[ MAX_DESCRIPTOR_BUFFER_INDEX ];
+	void*	buffer_address[ MAX_DESCRIPTOR_BUFFER_INDEX ];//931130.4.q
+
+} DESCRIPTOR, *PDESCRIPTOR;
+
+
+#define DEFAULT_NULL_PACKET_COUNT		180000	//20060828.1 Add. 180 seconds
+
+#define MAX_TXVGA_EEPROM	9	//How many word(u16) of EEPROM will be used for TxVGA
+#define MAX_RF_PARAMETER	32
+
+typedef struct _TXVGA_FOR_50 {
+	u8	ChanNo;
+	u8	TxVgaValue;
+} TXVGA_FOR_50;
+
+
+//=====================================================================
+// Device related include
+//=====================================================================
+
+#include "linux/wbusb_s.h"
+#include "linux/wb35reg_s.h"
+#include "linux/wb35tx_s.h"
+#include "linux/wb35rx_s.h"
+
+
+// For Hal using ==================================================================
+typedef struct _HW_DATA_T
+{
+	// For compatible with 33
+	u32	revision;
+	u32	BB3c_cal; // The value for Tx calibration comes from EEPROM
+	u32	BB54_cal; // The value for Rx calibration comes from EEPROM
+
+
+	// For surprise remove
+	u32	SurpriseRemove; // 0: Normal 1: Surprise remove
+	u8	InitialResource;
+	u8	IsKeyPreSet;
+	u8	CalOneTime; // 20060630.1
+
+	u8	VCO_trim;
+
+	// For Fix 1'st DMA bug
+	u32	FragCount;
+	u32	DMAFix; //V1_DMA_FIX The variable can be removed if driver want to save mem space for V2.
+
+	//=======================================================================================
+	// For USB driver, hal need more variables. Due to
+	//	1. NDIS-WDM operation
+	//	2. The SME, MLME and OLD MDS need Adapter structure, but the driver under HAL doesn't
+	//		have that parameter when receiving and indicating packet.
+	//		The MDS must input the Adapter pointer as the second parameter of hal_init_hardware.
+	//		The function usage is different than PCI driver.
+	//=======================================================================================
+	void* Adapter;
+
+	//===============================================
+	// Definition for MAC address
+	//===============================================
+	u8		PermanentMacAddress[ETH_LENGTH_OF_ADDRESS + 2]; // The Enthernet addr that are stored in EEPROM.  + 2 to 8-byte alignment
+	u8		CurrentMacAddress[ETH_LENGTH_OF_ADDRESS + 2]; // The Enthernet addr that are in used.  + 2 to 8-byte alignment
+
+	//=====================================================================
+	// Definition for 802.11
+	//=====================================================================
+	PUCHAR	bssid_pointer; // Used by hal_get_bssid for return value
+	u8	bssid[8];// Only 6 byte will be used. 8 byte is required for read buffer
+	u8	ssid[32];// maximum ssid length is 32 byte
+
+	u16	AID;
+	u8	ssid_length;
+	u8	Channel;
+
+	u16	ListenInterval;
+	u16	CapabilityInformation;
+
+	u16	BeaconPeriod;
+	u16	ProbeDelay;
+
+	u8	bss_type;// 0: IBSS_NET or 1:ESS_NET
+	u8	preamble;// 0: short preamble, 1: long preamble
+	u8	slot_time_select;// 9 or 20 value
+	u8	phy_type;// Phy select
+
+	u32	phy_para[MAX_RF_PARAMETER];
+	u32	phy_number;
+
+	u32	CurrentRadioSw; // 20060320.2 0:On 1:Off
+	u32	CurrentRadioHw; // 20060825 0:On 1:Off
+
+	PUCHAR	power_save_point;  // Used by hal_get_power_save_mode for return value
+	u8	cwmin;
+	u8	desired_power_save;
+	u8	dtim;// Is running dtim
+	u8	mapping_key_replace_index;//In Key table, the next index be replaced 931130.4.r
+
+	u16	MaxReceiveLifeTime;
+	u16	FragmentThreshold;
+	u16	FragmentThreshold_tmp;
+	u16	cwmax;
+
+	u8	Key_slot[MAX_KEY_TABLE][8]; //Ownership record for key slot. For Alignment
+	u32	Key_content[MAX_KEY_TABLE][12]; // 10DW for each entry + 2 for burst command( Off and On valid bit)
+	u8	CurrentDefaultKeyIndex;
+	u32	CurrentDefaultKeyLength;
+
+	//========================================================================
+	// Variable for each module
+	//========================================================================
+	WBUSB		WbUsb; // Need WbUsb.h
+	WB35REG		Wb35Reg; // Need Wb35Reg.h
+	WB35TX		Wb35Tx; // Need Wb35Tx.h
+	WB35RX		Wb35Rx; // Need Wb35Rx.h
+
+	OS_TIMER	LEDTimer;// For LED
+
+	u32		LEDpoint;// For LED
+
+    u32         dto_tx_retry_count;         // LA20040210_DTO kevin
+    u32         dto_tx_frag_count;          // LA20040210_DTO kevin
+    u32         rx_ok_count[13];    // index=0: total rx ok
+    //u32         rx_ok_bytes[13];    // index=0, total rx ok bytes
+    u32         rx_err_count[13];   // index=0: total rx err
+
+	//for Tx debug
+	u32			tx_TBTT_start_count;
+	u32			tx_ETR_count;
+	u32			tx_WepOn_false_count;
+	u32			tx_Null_key_count;
+	u32			tx_retry_count[8];
+
+	u8		PowerIndexFromEEPROM; // For 2412MHz
+	u8		power_index;
+	u8		IsWaitJoinComplete;	// TRUE: set join request
+	u8		band;
+
+	u16		SoftwareSet;
+	u16		Reserved_s;
+
+	u32		IsInitOK; // 0: Driver starting   1: Driver init OK
+
+	// For Phy calibration
+    s32		iq_rsdl_gain_tx_d2;
+    s32		iq_rsdl_phase_tx_d2;
+	u32		txvga_setting_for_cal; // 20060703.1 Add
+
+	u8		TxVgaSettingInEEPROM[ (((MAX_TXVGA_EEPROM*2)+3) & ~0x03) ]; // 20060621 For backup EEPROM value
+	u8		TxVgaFor24[16]; // Max is 14, 2 for alignment
+	TXVGA_FOR_50	TxVgaFor50[36];	// 35 channels in 5G. 35x2 = 70 byte. 2 for alignments
+
+	u16		Scan_Interval;
+	u16		RESERVED6;
+
+	// LED control
+	u32		LED_control;
+		// LED_control 4 byte: Gray_Led_1[3]		Gray_Led_0[2]		Led[1]			Led[0]
+		// Gray_Led
+		//		For Led gray setting
+		// Led
+		//		0: normal control, LED behavior will decide by EEPROM setting
+		//		1: Turn off specific LED
+		//		2: Always on specific LED
+		//		3: slow blinking specific LED
+		//		4: fast blinking specific LED
+		//		5: WPS led control is set. Led0 is Red, Led1 id Green
+		//			Led[1] is parameter for WPS LED mode
+		//				 // 1:InProgress  2: Error 3: Session overlap 4: Success 20061108 control
+
+	u32		LED_LinkOn;		//Turn LED on control
+	u32		LED_Scanning;	// Let LED in scan process control
+	u32		LED_Blinking; // Temp variable for shining
+	u32		RxByteCountLast;
+	u32		TxByteCountLast;
+
+	s32		SurpriseRemoveCount;
+
+	// For global timer
+	u32		time_count;//TICK_TIME_100ms 1 = 100ms
+
+	// For error recover
+	u32		HwStop;
+
+	// 20060828.1 for avoid AP disconnect
+	u32		NullPacketCount;
+
+} hw_data_t, *phw_data_t;
+
+// The mapping of Rx and Tx descriptor field
+typedef struct _HAL_RATE
+{
+	// DSSS
+	u32	RESERVED_0;
+	u32   NumRate2MS;
+	u32   NumRate55MS;
+	u32   NumRate11MS;
+
+	u32	RESERVED_1[4];
+
+	u32   NumRate1M;
+	u32   NumRate2ML;
+	u32   NumRate55ML;
+	u32   NumRate11ML;
+
+	u32	RESERVED_2[4];
+
+	// OFDM
+	u32   NumRate6M;
+	u32   NumRate9M;
+	u32   NumRate12M;
+	u32   NumRate18M;
+	u32   NumRate24M;
+	u32   NumRate36M;
+	u32   NumRate48M;
+	u32   NumRate54M;
+} HAL_RATE, *PHAL_RATE;
+
+
diff --git a/drivers/staging/winbond/wblinux.c b/drivers/staging/winbond/wblinux.c
new file mode 100644
index 00000000000..2eade5a47b1
--- /dev/null
+++ b/drivers/staging/winbond/wblinux.c
@@ -0,0 +1,277 @@
+//============================================================================
+//  Copyright (c) 1996-2005 Winbond Electronic Corporation
+//
+//  Module Name:
+//    wblinux.c
+//
+//  Abstract:
+//    Linux releated routines
+//
+//============================================================================
+#include "os_common.h"
+
+u32
+WBLINUX_MemoryAlloc(void* *VirtualAddress, u32 Length)
+{
+	*VirtualAddress = kzalloc( Length, GFP_ATOMIC ); //GFP_KERNEL is not suitable
+
+	if (*VirtualAddress == NULL)
+		return 0;
+	return 1;
+}
+
+s32
+EncapAtomicInc(PADAPTER Adapter, void* pAtomic)
+{
+	PWBLINUX pWbLinux = &Adapter->WbLinux;
+	u32	ltmp;
+	PULONG	pltmp = (PULONG)pAtomic;
+	OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
+	(*pltmp)++;
+	ltmp = (*pltmp);
+	OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock );
+	return ltmp;
+}
+
+s32
+EncapAtomicDec(PADAPTER Adapter, void* pAtomic)
+{
+	PWBLINUX pWbLinux = &Adapter->WbLinux;
+	u32	ltmp;
+	PULONG	pltmp = (PULONG)pAtomic;
+	OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
+	(*pltmp)--;
+	ltmp = (*pltmp);
+	OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock );
+	return ltmp;
+}
+
+unsigned char
+WBLINUX_Initial(PADAPTER Adapter)
+{
+	PWBLINUX pWbLinux = &Adapter->WbLinux;
+
+	OS_SPIN_LOCK_ALLOCATE( &pWbLinux->SpinLock );
+	OS_SPIN_LOCK_ALLOCATE( &pWbLinux->AtomicSpinLock );
+	return TRUE;
+}
+
+void
+WBLinux_ReceivePacket(PADAPTER Adapter, PRXLAYER1 pRxLayer1)
+{
+	BUG();
+}
+
+
+void
+WBLINUX_GetNextPacket(PADAPTER Adapter,  PDESCRIPTOR pDes)
+{
+	BUG();
+}
+
+void
+WBLINUX_GetNextPacketCompleted(PADAPTER Adapter, PDESCRIPTOR pDes)
+{
+	BUG();
+}
+
+void
+WBLINUX_Destroy(PADAPTER Adapter)
+{
+	WBLINUX_stop( Adapter );
+	OS_SPIN_LOCK_FREE( &pWbNdis->SpinLock );
+#ifdef _PE_USB_INI_DUMP_
+	WBDEBUG(("[w35und] unregister_netdev!\n"));
+#endif
+}
+
+void
+WBLINUX_stop(  PADAPTER Adapter )
+{
+	PWBLINUX	pWbLinux = &Adapter->WbLinux;
+	struct sk_buff *pSkb;
+
+	if (OS_ATOMIC_INC( Adapter, &pWbLinux->ThreadCount ) == 1) {
+		// Shutdown module immediately
+		pWbLinux->shutdown = 1;
+
+		while (pWbLinux->skb_array[ pWbLinux->skb_GetIndex ]) {
+			// Trying to free the un-sending packet
+			pSkb = pWbLinux->skb_array[ pWbLinux->skb_GetIndex ];
+			pWbLinux->skb_array[ pWbLinux->skb_GetIndex ] = NULL;
+			if( in_irq() )
+				dev_kfree_skb_irq( pSkb );
+			else
+				dev_kfree_skb( pSkb );
+
+			pWbLinux->skb_GetIndex++;
+			pWbLinux->skb_GetIndex %= WBLINUX_PACKET_ARRAY_SIZE;
+		}
+
+#ifdef _PE_STATE_DUMP_
+		WBDEBUG(( "[w35und] SKB_RELEASE OK\n" ));
+#endif
+	}
+
+	OS_ATOMIC_DEC( Adapter, &pWbLinux->ThreadCount );
+}
+
+void
+WbWlanHalt(  PADAPTER Adapter )
+{
+	//---------------------
+	Adapter->sLocalPara.ShutDowned = TRUE;
+
+	Mds_Destroy( Adapter );
+
+	// Turn off Rx and Tx hardware ability
+	hal_stop( &Adapter->sHwData );
+#ifdef _PE_USB_INI_DUMP_
+	WBDEBUG(("[w35und] Hal_stop O.K.\n"));
+#endif
+	OS_SLEEP(100000);// Waiting Irp completed
+
+	// Destroy the NDIS module
+	WBLINUX_Destroy( Adapter );
+
+	// Halt the HAL
+	hal_halt(&Adapter->sHwData, NULL);
+}
+
+unsigned char
+WbWLanInitialize(PADAPTER Adapter)
+{
+	phw_data_t	pHwData;
+	PUCHAR		pMacAddr, pMacAddr2;
+	u32		InitStep = 0;
+	u8		EEPROM_region;
+	u8		HwRadioOff;
+
+	do {
+		//
+		// Setting default value for Linux
+		//
+		Adapter->sLocalPara.region_INF = REGION_AUTO;
+		Adapter->sLocalPara.TxRateMode = RATE_AUTO;
+		psLOCAL->bMacOperationMode = MODE_802_11_BG;	// B/G mode
+		Adapter->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
+		Adapter->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
+		hal_set_phy_type( &Adapter->sHwData, RF_WB_242_1 );
+		Adapter->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
+		psLOCAL->bPreambleMode = AUTO_MODE;
+		Adapter->sLocalPara.RadioOffStatus.boSwRadioOff = FALSE;
+		pHwData = &Adapter->sHwData;
+		hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );
+
+		//
+		// Initial each module and variable
+		//
+		if (!WBLINUX_Initial(Adapter)) {
+#ifdef _PE_USB_INI_DUMP_
+			WBDEBUG(("[w35und]WBNDIS initialization failed\n"));
+#endif
+			break;
+		}
+
+		// Initial Software variable
+		Adapter->sLocalPara.ShutDowned = FALSE;
+
+		//added by ws for wep key error detection
+		Adapter->sLocalPara.bWepKeyError= FALSE;
+		Adapter->sLocalPara.bToSelfPacketReceived = FALSE;
+		Adapter->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
+
+		// Initial USB hal
+		InitStep = 1;
+		pHwData = &Adapter->sHwData;
+		if (!hal_init_hardware(pHwData, Adapter))
+			break;
+
+		EEPROM_region = hal_get_region_from_EEPROM( pHwData );
+		if (EEPROM_region != REGION_AUTO)
+			psLOCAL->region = EEPROM_region;
+		else {
+			if (psLOCAL->region_INF != REGION_AUTO)
+				psLOCAL->region = psLOCAL->region_INF;
+			else
+				psLOCAL->region = REGION_USA;	//default setting
+		}
+
+		// Get Software setting flag from hal
+		Adapter->sLocalPara.boAntennaDiversity = FALSE;
+		if (hal_software_set(pHwData) & 0x00000001)
+			Adapter->sLocalPara.boAntennaDiversity = TRUE;
+
+		//
+		// For TS module
+		//
+		InitStep = 2;
+
+		// For MDS module
+		InitStep = 3;
+		Mds_initial(Adapter);
+
+		//=======================================
+		// Initialize the SME, SCAN, MLME, ROAM
+		//=======================================
+		InitStep = 4;
+		InitStep = 5;
+		InitStep = 6;
+
+		// If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
+		pMacAddr = Adapter->sLocalPara.ThisMacAddress;
+		pMacAddr2 = Adapter->sLocalPara.PermanentAddress;
+		hal_get_permanent_address( pHwData, Adapter->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
+		if (OS_MEMORY_COMPARE(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH )) // Is equal
+		{
+			memcpy( pMacAddr, pMacAddr2, MAC_ADDR_LENGTH );
+		} else {
+			// Set the user define MAC address
+			hal_set_ethernet_address( pHwData, Adapter->sLocalPara.ThisMacAddress );
+		}
+
+		//get current antenna
+		psLOCAL->bAntennaNo = hal_get_antenna_number(pHwData);
+#ifdef _PE_STATE_DUMP_
+		WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo));
+#endif
+		hal_get_hw_radio_off( pHwData );
+
+		// Waiting for HAL setting OK
+		while (!hal_idle(pHwData))
+			OS_SLEEP(10000);
+
+		MTO_Init(Adapter);
+
+		HwRadioOff = hal_get_hw_radio_off( pHwData );
+		psLOCAL->RadioOffStatus.boHwRadioOff = !!HwRadioOff;
+
+		hal_set_radio_mode( pHwData, (unsigned char)(psLOCAL->RadioOffStatus.boSwRadioOff || psLOCAL->RadioOffStatus.boHwRadioOff) );
+
+		hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
+		//set a tx power for reference.....
+//		sme_set_tx_power_level(Adapter, 12);	FIXME?
+		return TRUE;
+	}
+	while(FALSE);
+
+	switch (InitStep) {
+	case 5:
+	case 4:
+	case 3: Mds_Destroy( Adapter );
+	case 2:
+	case 1: WBLINUX_Destroy( Adapter );
+		hal_halt( pHwData, NULL );
+	case 0: break;
+	}
+
+	return FALSE;
+}
+
+void WBLINUX_ConnectStatus(PADAPTER Adapter, u32 flag)
+{
+	PWBLINUX	pWbLinux = &Adapter->WbLinux;
+
+	pWbLinux->LinkStatus = flag; // OS_DISCONNECTED	or  OS_CONNECTED
+}
+
diff --git a/drivers/staging/winbond/wblinux_f.h b/drivers/staging/winbond/wblinux_f.h
new file mode 100644
index 00000000000..68240c5fc80
--- /dev/null
+++ b/drivers/staging/winbond/wblinux_f.h
@@ -0,0 +1,23 @@
+//=========================================================================
+// Copyright (c) 1996-2004 Winbond Electronic Corporation
+//
+// wblinux_f.h
+//
+u32 WBLINUX_MemoryAlloc(  void* *VirtualAddress,  u32 Length );
+s32 EncapAtomicInc(  PADAPTER Adapter,  void* pAtomic );
+s32 EncapAtomicDec(  PADAPTER Adapter,  void* pAtomic );
+void WBLinux_ReceivePacket(  PADAPTER Adapter,  PRXLAYER1 pRxLayer1 );
+unsigned char WBLINUX_Initial(  PADAPTER Adapter );
+int wb35_start_xmit(struct sk_buff *skb, struct net_device *netdev );
+void WBLINUX_GetNextPacket(  PADAPTER Adapter,  PDESCRIPTOR pDes );
+void WBLINUX_GetNextPacketCompleted(  PADAPTER Adapter,  PDESCRIPTOR pDes );
+void WBLINUX_stop(  PADAPTER Adapter );
+void WBLINUX_Destroy(  PADAPTER Adapter );
+void wb35_set_multicast( struct net_device *netdev );
+struct net_device_stats * wb35_netdev_stats( struct net_device *netdev );
+void WBLINUX_stop(  PADAPTER Adapter );
+void WbWlanHalt(  PADAPTER Adapter );
+void WBLINUX_ConnectStatus(  PADAPTER Adapter,  u32 flag );
+
+
+
diff --git a/drivers/staging/winbond/wblinux_s.h b/drivers/staging/winbond/wblinux_s.h
new file mode 100644
index 00000000000..97e9167ab83
--- /dev/null
+++ b/drivers/staging/winbond/wblinux_s.h
@@ -0,0 +1,45 @@
+//============================================================
+// wblinux_s.h
+//
+#define OS_MEMORY_ALLOC( _V, _S )	WBLINUX_MemoryAlloc( _V, _S )
+#define OS_LINK_STATUS			(Adapter->WbLinux.LinkStatus == OS_CONNECTED)
+#define OS_SET_SHUTDOWN( _A )		_A->WbLinux.shutdown=1
+#define OS_SET_RESUME( _A )		_A->WbLinux.shutdown=0
+#define OS_CONNECT_STATUS_INDICATE( _A, _F )		WBLINUX_ConnectStatus( _A, _F )
+#define OS_DISCONNECTED	0
+#define OS_CONNECTED	1
+#define OS_STOP( _A )	WBLINUX_stop( _A )
+
+#define OS_CURRENT_RX_BYTE( _A )		_A->WbLinux.RxByteCount
+#define OS_CURRENT_TX_BYTE( _A )		_A->WbLinux.TxByteCount
+#define OS_EVENT_INDICATE( _A, _B, _F )
+#define OS_PMKID_STATUS_EVENT( _A )
+#define OS_RECEIVE_PACKET_INDICATE( _A, _D )		WBLinux_ReceivePacket( _A, _D )
+#define OS_RECEIVE_802_1X_PACKET_INDICATE( _A, _D )	EAP_ReceivePacket( _A, _D )
+#define OS_GET_PACKET( _A, _D )				WBLINUX_GetNextPacket( _A, _D )
+#define OS_GET_PACKET_COMPLETE( _A, _D )	WBLINUX_GetNextPacketCompleted( _A, _D )
+#define OS_SEND_RESULT( _A, _ID, _R )
+
+#define WBLINUX_PACKET_ARRAY_SIZE	(ETHERNET_TX_DESCRIPTORS*4)
+
+typedef struct _WBLINUX
+{
+	OS_SPIN_LOCK	AtomicSpinLock;
+	OS_SPIN_LOCK	SpinLock;
+	u32	shutdown;
+
+	OS_ATOMIC	ThreadCount;
+
+	u32	LinkStatus;		// OS_DISCONNECTED or OS_CONNECTED
+
+	u32	RxByteCount;
+	u32	TxByteCount;
+
+	struct sk_buff *skb_array[ WBLINUX_PACKET_ARRAY_SIZE ];
+	struct sk_buff *packet_return;
+	s32	skb_SetIndex;
+	s32	skb_GetIndex;
+	s32	netif_state_stop; // 1: stop  0: normal
+} WBLINUX, *PWBLINUX;
+
+
-- 
GitLab


From 00b3ed1685089ff52169a715de11106ed37df087 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 2 Oct 2008 11:29:28 -0700
Subject: [PATCH 0348/2224] Staging: add wlan-ng prism2 usb driver

This adds the wlan-ng prism2 USB driver to the drivers/staging tree.

The code was originally written by the linux-wlan-ng team, patched by
some Novell engineers to properly work on newer kernels, and then hacked
into place in order to get it to build properly in a single subdirectory
within the kernel tree by me.

It supports a wide range of older USB prism2 devices, and contains a
80211 stack to support this single driver.

Cc: Christian Zoz <zoz@suse.de>
Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Cc: John Linville <linville@tuxdriver.com>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: linux-wlan-ng <solomon@linux-wlan.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig                    |    2 +
 drivers/staging/Makefile                   |    1 +
 drivers/staging/wlan-ng/Kconfig            |   10 +
 drivers/staging/wlan-ng/Makefile           |    9 +
 drivers/staging/wlan-ng/README             |    8 +
 drivers/staging/wlan-ng/hfa384x.c          | 4018 ++++++++++++++++
 drivers/staging/wlan-ng/hfa384x.h          | 3067 ++++++++++++
 drivers/staging/wlan-ng/hfa384x_usb.c      | 5027 ++++++++++++++++++++
 drivers/staging/wlan-ng/p80211conv.c       |  683 +++
 drivers/staging/wlan-ng/p80211conv.h       |  186 +
 drivers/staging/wlan-ng/p80211hdr.h        |  299 ++
 drivers/staging/wlan-ng/p80211ioctl.h      |  123 +
 drivers/staging/wlan-ng/p80211meta.h       |  169 +
 drivers/staging/wlan-ng/p80211metadef.h    | 2524 ++++++++++
 drivers/staging/wlan-ng/p80211metamib.h    |  105 +
 drivers/staging/wlan-ng/p80211metamsg.h    |  105 +
 drivers/staging/wlan-ng/p80211metastruct.h |  644 +++
 drivers/staging/wlan-ng/p80211mgmt.h       |  575 +++
 drivers/staging/wlan-ng/p80211mod.c        |  216 +
 drivers/staging/wlan-ng/p80211msg.h        |  102 +
 drivers/staging/wlan-ng/p80211netdev.c     | 1502 ++++++
 drivers/staging/wlan-ng/p80211netdev.h     |  336 ++
 drivers/staging/wlan-ng/p80211req.c        |  329 ++
 drivers/staging/wlan-ng/p80211req.h        |   68 +
 drivers/staging/wlan-ng/p80211types.h      |  675 +++
 drivers/staging/wlan-ng/p80211wep.c        |  317 ++
 drivers/staging/wlan-ng/p80211wext.c       | 2048 ++++++++
 drivers/staging/wlan-ng/prism2_cs.c        | 1487 ++++++
 drivers/staging/wlan-ng/prism2_pci.c       |  332 ++
 drivers/staging/wlan-ng/prism2_plx.c       |  472 ++
 drivers/staging/wlan-ng/prism2_usb.c       |  361 ++
 drivers/staging/wlan-ng/prism2mgmt.c       | 2956 ++++++++++++
 drivers/staging/wlan-ng/prism2mgmt.h       |  182 +
 drivers/staging/wlan-ng/prism2mib.c        | 3799 +++++++++++++++
 drivers/staging/wlan-ng/prism2sta.c        | 2502 ++++++++++
 drivers/staging/wlan-ng/version.h          |   64 +
 drivers/staging/wlan-ng/wlan_compat.h      |  757 +++
 37 files changed, 36060 insertions(+)
 create mode 100644 drivers/staging/wlan-ng/Kconfig
 create mode 100644 drivers/staging/wlan-ng/Makefile
 create mode 100644 drivers/staging/wlan-ng/README
 create mode 100644 drivers/staging/wlan-ng/hfa384x.c
 create mode 100644 drivers/staging/wlan-ng/hfa384x.h
 create mode 100644 drivers/staging/wlan-ng/hfa384x_usb.c
 create mode 100644 drivers/staging/wlan-ng/p80211conv.c
 create mode 100644 drivers/staging/wlan-ng/p80211conv.h
 create mode 100644 drivers/staging/wlan-ng/p80211hdr.h
 create mode 100644 drivers/staging/wlan-ng/p80211ioctl.h
 create mode 100644 drivers/staging/wlan-ng/p80211meta.h
 create mode 100644 drivers/staging/wlan-ng/p80211metadef.h
 create mode 100644 drivers/staging/wlan-ng/p80211metamib.h
 create mode 100644 drivers/staging/wlan-ng/p80211metamsg.h
 create mode 100644 drivers/staging/wlan-ng/p80211metastruct.h
 create mode 100644 drivers/staging/wlan-ng/p80211mgmt.h
 create mode 100644 drivers/staging/wlan-ng/p80211mod.c
 create mode 100644 drivers/staging/wlan-ng/p80211msg.h
 create mode 100644 drivers/staging/wlan-ng/p80211netdev.c
 create mode 100644 drivers/staging/wlan-ng/p80211netdev.h
 create mode 100644 drivers/staging/wlan-ng/p80211req.c
 create mode 100644 drivers/staging/wlan-ng/p80211req.h
 create mode 100644 drivers/staging/wlan-ng/p80211types.h
 create mode 100644 drivers/staging/wlan-ng/p80211wep.c
 create mode 100644 drivers/staging/wlan-ng/p80211wext.c
 create mode 100644 drivers/staging/wlan-ng/prism2_cs.c
 create mode 100644 drivers/staging/wlan-ng/prism2_pci.c
 create mode 100644 drivers/staging/wlan-ng/prism2_plx.c
 create mode 100644 drivers/staging/wlan-ng/prism2_usb.c
 create mode 100644 drivers/staging/wlan-ng/prism2mgmt.c
 create mode 100644 drivers/staging/wlan-ng/prism2mgmt.h
 create mode 100644 drivers/staging/wlan-ng/prism2mib.c
 create mode 100644 drivers/staging/wlan-ng/prism2sta.c
 create mode 100644 drivers/staging/wlan-ng/version.h
 create mode 100644 drivers/staging/wlan-ng/wlan_compat.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index fdbdf84e307..762b471fded 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -37,4 +37,6 @@ source "drivers/staging/usbip/Kconfig"
 
 source "drivers/staging/winbond/Kconfig"
 
+source "drivers/staging/wlan-ng/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 9b576c91b15..574198479d6 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -7,3 +7,4 @@ obj-$(CONFIG_ME4000)		+= me4000/
 obj-$(CONFIG_VIDEO_GO7007)	+= go7007/
 obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
 obj-$(CONFIG_W35UND)		+= winbond/
+obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
diff --git a/drivers/staging/wlan-ng/Kconfig b/drivers/staging/wlan-ng/Kconfig
new file mode 100644
index 00000000000..10b1f0f634d
--- /dev/null
+++ b/drivers/staging/wlan-ng/Kconfig
@@ -0,0 +1,10 @@
+config PRISM2_USB
+	tristate "Prism2.5 USB driver"
+	depends on USB
+	default n
+	---help---
+	  This is the wlan-ng prism 2.5 USB driver for a wide range of
+	  old USB wireless devices.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called prism2_usb.
diff --git a/drivers/staging/wlan-ng/Makefile b/drivers/staging/wlan-ng/Makefile
new file mode 100644
index 00000000000..777b5111b3d
--- /dev/null
+++ b/drivers/staging/wlan-ng/Makefile
@@ -0,0 +1,9 @@
+obj-$(CONFIG_PRISM2_USB) += prism2_usb.o
+obj-$(CONFIG_PRISM2_USB) += p80211.o
+
+p80211-objs := p80211mod.o \
+		p80211conv.o \
+		p80211req.o \
+		p80211wep.o \
+		p80211wext.o \
+		p80211netdev.o
diff --git a/drivers/staging/wlan-ng/README b/drivers/staging/wlan-ng/README
new file mode 100644
index 00000000000..f50e4eb6c27
--- /dev/null
+++ b/drivers/staging/wlan-ng/README
@@ -0,0 +1,8 @@
+TODO:
+	- checkpatch.pl cleanups
+	- sparse warnings
+	- Lindent cleanups
+	- move to use the in-kernel wireless stack
+	- possible enable the pcmcia and pci portions of the driver
+
+Please send all patches to Greg Kroah-Hartman <greg@kroah.com>
diff --git a/drivers/staging/wlan-ng/hfa384x.c b/drivers/staging/wlan-ng/hfa384x.c
new file mode 100644
index 00000000000..04df3fd9c52
--- /dev/null
+++ b/drivers/staging/wlan-ng/hfa384x.c
@@ -0,0 +1,4018 @@
+/* src/prism2/driver/hfa384x.c
+*
+* Implements the functions of the Intersil hfa384x MAC
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file implements functions that correspond to the prism2/hfa384x
+* 802.11 MAC hardware and firmware host interface.
+*
+* The functions can be considered to represent several levels of
+* abstraction.  The lowest level functions are simply C-callable wrappers
+* around the register accesses.  The next higher level represents C-callable
+* prism2 API functions that match the Intersil documentation as closely
+* as is reasonable.  The next higher layer implements common sequences
+* of invokations of the API layer (e.g. write to bap, followed by cmd).
+*
+* Common sequences:
+* hfa384x_drvr_xxx	Highest level abstractions provided by the
+*			hfa384x code.  They are driver defined wrappers
+*			for common sequences.  These functions generally
+*			use the services of the lower levels.
+*
+* hfa384x_drvr_xxxconfig  An example of the drvr level abstraction. These
+*			functions are wrappers for the RID get/set
+*			sequence. They 	call copy_[to|from]_bap() and
+*			cmd_access().	These functions operate on the
+*			RIDs and buffers without validation.  The caller
+*			is responsible for that.
+*
+* API wrapper functions:
+* hfa384x_cmd_xxx	functions that provide access to the f/w commands.
+*			The function arguments correspond to each command
+*			argument, even command arguments that get packed
+*			into single registers.  These functions _just_
+*			issue the command by setting the cmd/parm regs
+*			& reading the status/resp regs.  Additional
+*			activities required to fully use a command
+*			(read/write from/to bap, get/set int status etc.)
+*			are implemented separately.  Think of these as
+*			C-callable prism2 commands.
+*
+* Lowest Layer Functions:
+* hfa384x_docmd_xxx	These functions implement the sequence required
+*			to issue any prism2 command.  Primarily used by the
+*			hfa384x_cmd_xxx functions.
+*
+* hfa384x_bap_xxx	BAP read/write access functions.
+*			Note: we usually use BAP0 for non-interrupt context
+*			 and BAP1 for interrupt context.
+*
+* hfa384x_dl_xxx	download related functions.
+*
+* Driver State Issues:
+* Note that there are two pairs of functions that manage the
+* 'initialized' and 'running' states of the hw/MAC combo.  The four
+* functions are create(), destroy(), start(), and stop().  create()
+* sets up the data structures required to support the hfa384x_*
+* functions and destroy() cleans them up.  The start() function gets
+* the actual hardware running and enables the interrupts.  The stop()
+* function shuts the hardware down.  The sequence should be:
+* create()
+*  .
+*  .  Self contained test routines can run here, particularly
+*  .  corereset() and test_hostif().
+*  .
+* start()
+*  .
+*  .  Do interesting things w/ the hardware
+*  .
+* stop()
+* destroy()
+*
+* Note that destroy() can be called without calling stop() first.
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+
+/* System Includes */
+#define WLAN_DBVAR	prism2_debug
+#include "version.h"
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <linux/timer.h>
+#include <asm/semaphore.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+#include <linux/list.h>
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+#include <linux/tqueue.h>
+#else
+#include <linux/workqueue.h>
+#endif
+
+#if (WLAN_HOSTIF == WLAN_PCMCIA)
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) )
+#include <pcmcia/version.h>
+#endif
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+#include <pcmcia/cisreg.h>
+#endif
+
+#if ((WLAN_HOSTIF == WLAN_PLX) || (WLAN_HOSTIF == WLAN_PCI))
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#endif
+
+#include "wlan_compat.h"
+
+// XXXX #define CMD_IRQ
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211mgmt.h"
+#include "p80211conv.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211req.h"
+#include "p80211metadef.h"
+#include "p80211metastruct.h"
+#include "hfa384x.h"
+#include "prism2mgmt.h"
+
+/*================================================================*/
+/* Local Constants */
+
+static const UINT16 crc16tab[256] =
+{
+	0x0000, 0xc0c1, 0xc181, 0x0140, 0xc301, 0x03c0, 0x0280, 0xc241,
+	0xc601, 0x06c0, 0x0780, 0xc741, 0x0500, 0xc5c1, 0xc481, 0x0440,
+	0xcc01, 0x0cc0, 0x0d80, 0xcd41, 0x0f00, 0xcfc1, 0xce81, 0x0e40,
+	0x0a00, 0xcac1, 0xcb81, 0x0b40, 0xc901, 0x09c0, 0x0880, 0xc841,
+	0xd801, 0x18c0, 0x1980, 0xd941, 0x1b00, 0xdbc1, 0xda81, 0x1a40,
+	0x1e00, 0xdec1, 0xdf81, 0x1f40, 0xdd01, 0x1dc0, 0x1c80, 0xdc41,
+	0x1400, 0xd4c1, 0xd581, 0x1540, 0xd701, 0x17c0, 0x1680, 0xd641,
+	0xd201, 0x12c0, 0x1380, 0xd341, 0x1100, 0xd1c1, 0xd081, 0x1040,
+	0xf001, 0x30c0, 0x3180, 0xf141, 0x3300, 0xf3c1, 0xf281, 0x3240,
+	0x3600, 0xf6c1, 0xf781, 0x3740, 0xf501, 0x35c0, 0x3480, 0xf441,
+	0x3c00, 0xfcc1, 0xfd81, 0x3d40, 0xff01, 0x3fc0, 0x3e80, 0xfe41,
+	0xfa01, 0x3ac0, 0x3b80, 0xfb41, 0x3900, 0xf9c1, 0xf881, 0x3840,
+	0x2800, 0xe8c1, 0xe981, 0x2940, 0xeb01, 0x2bc0, 0x2a80, 0xea41,
+	0xee01, 0x2ec0, 0x2f80, 0xef41, 0x2d00, 0xedc1, 0xec81, 0x2c40,
+	0xe401, 0x24c0, 0x2580, 0xe541, 0x2700, 0xe7c1, 0xe681, 0x2640,
+	0x2200, 0xe2c1, 0xe381, 0x2340, 0xe101, 0x21c0, 0x2080, 0xe041,
+	0xa001, 0x60c0, 0x6180, 0xa141, 0x6300, 0xa3c1, 0xa281, 0x6240,
+	0x6600, 0xa6c1, 0xa781, 0x6740, 0xa501, 0x65c0, 0x6480, 0xa441,
+	0x6c00, 0xacc1, 0xad81, 0x6d40, 0xaf01, 0x6fc0, 0x6e80, 0xae41,
+	0xaa01, 0x6ac0, 0x6b80, 0xab41, 0x6900, 0xa9c1, 0xa881, 0x6840,
+	0x7800, 0xb8c1, 0xb981, 0x7940, 0xbb01, 0x7bc0, 0x7a80, 0xba41,
+	0xbe01, 0x7ec0, 0x7f80, 0xbf41, 0x7d00, 0xbdc1, 0xbc81, 0x7c40,
+	0xb401, 0x74c0, 0x7580, 0xb541, 0x7700, 0xb7c1, 0xb681, 0x7640,
+	0x7200, 0xb2c1, 0xb381, 0x7340, 0xb101, 0x71c0, 0x7080, 0xb041,
+	0x5000, 0x90c1, 0x9181, 0x5140, 0x9301, 0x53c0, 0x5280, 0x9241,
+	0x9601, 0x56c0, 0x5780, 0x9741, 0x5500, 0x95c1, 0x9481, 0x5440,
+	0x9c01, 0x5cc0, 0x5d80, 0x9d41, 0x5f00, 0x9fc1, 0x9e81, 0x5e40,
+	0x5a00, 0x9ac1, 0x9b81, 0x5b40, 0x9901, 0x59c0, 0x5880, 0x9841,
+	0x8801, 0x48c0, 0x4980, 0x8941, 0x4b00, 0x8bc1, 0x8a81, 0x4a40,
+	0x4e00, 0x8ec1, 0x8f81, 0x4f40, 0x8d01, 0x4dc0, 0x4c80, 0x8c41,
+	0x4400, 0x84c1, 0x8581, 0x4540, 0x8701, 0x47c0, 0x4680, 0x8641,
+	0x8201, 0x42c0, 0x4380, 0x8341, 0x4100, 0x81c1, 0x8081, 0x4040
+};
+
+/*================================================================*/
+/* Local Macros */
+
+/*================================================================*/
+/* Local Types */
+
+/*================================================================*/
+/* Local Static Definitions */
+extern int prism2_debug;
+
+/*================================================================*/
+/* Local Function Declarations */
+
+static void	hfa384x_int_dtim(wlandevice_t *wlandev);
+static void	hfa384x_int_infdrop(wlandevice_t *wlandev);
+
+static void     hfa384x_bap_tasklet(unsigned long data);
+
+static void	hfa384x_int_info(wlandevice_t *wlandev);
+static void	hfa384x_int_txexc(wlandevice_t *wlandev);
+static void	hfa384x_int_tx(wlandevice_t *wlandev);
+static void	hfa384x_int_rx(wlandevice_t *wlandev);
+
+#ifdef CMD_IRQ
+static void	hfa384x_int_cmd(wlandevice_t *wlandev);
+#endif
+static void	hfa384x_int_rxmonitor( wlandevice_t *wlandev,
+			UINT16 rxfid, hfa384x_rx_frame_t *rxdesc);
+static void	hfa384x_int_alloc(wlandevice_t *wlandev);
+
+static int hfa384x_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd);
+
+static int hfa384x_dl_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd);
+
+static UINT16
+hfa384x_mkcrc16(UINT8 *p, int len);
+
+int hfa384x_copy_to_bap4(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset,
+			 void *buf, UINT len, void* buf2, UINT len2,
+			 void *buf3, UINT len3, void* buf4, UINT len4);
+
+/*================================================================*/
+/* Function Definitions */
+
+static UINT16
+txfid_queue_empty(hfa384x_t *hw)
+{
+	return (hw->txfid_head == hw->txfid_tail) ? 1 : 0;
+}
+
+static UINT16
+txfid_queue_remove(hfa384x_t *hw)
+{
+	UINT16 result= 0;
+
+	if (txfid_queue_empty(hw)) {
+		WLAN_LOG_DEBUG(3,"queue empty.\n");
+	} else {
+		result = hw->txfid_queue[hw->txfid_head];
+		hw->txfid_head = (hw->txfid_head + 1) % hw->txfid_N;
+	}
+
+	return (UINT16)result;
+}
+
+static INT16
+txfid_queue_add(hfa384x_t *hw, UINT16 val)
+{
+	INT16 result = 0;
+
+	if (hw->txfid_head == ((hw->txfid_tail + 1) % hw->txfid_N)) {
+		result = -1;
+		WLAN_LOG_DEBUG(3,"queue full.\n");
+	} else {
+		hw->txfid_queue[hw->txfid_tail] = val;
+		result = hw->txfid_tail;
+		hw->txfid_tail = (hw->txfid_tail + 1) % hw->txfid_N;
+	}
+
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_create
+*
+* Initializes the hfa384x_t data structure for use.  Note this
+* does _not_ intialize the actual hardware, just the data structures
+* we use to keep track of its state.
+*
+* Arguments:
+*	hw		device structure
+*	irq		device irq number
+*	iobase		[pcmcia] i/o base address for register access
+*			[pci] zero
+*			[plx] i/o base address for register access
+*	membase		[pcmcia] pcmcia_cs "link" pointer
+*			[pci] memory base address for register access
+*			[plx] memory base address for card attribute memory
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+void hfa384x_create(hfa384x_t *hw, UINT irq, UINT32 iobase,
+		    UINT8 __iomem *membase)
+{
+	DBFENTER;
+	memset(hw, 0, sizeof(hfa384x_t));
+	hw->irq = irq;
+	hw->iobase = iobase;
+	hw->membase = membase;
+	spin_lock_init(&(hw->cmdlock));
+
+	/* BAP setup */
+ 	spin_lock_init(&(hw->baplock));
+	tasklet_init(&hw->bap_tasklet,
+		     hfa384x_bap_tasklet,
+		     (unsigned long) hw);
+
+	init_waitqueue_head(&hw->cmdq);
+	sema_init(&hw->infofid_sem, 1);
+
+        hw->txfid_head = 0;
+        hw->txfid_tail = 0;
+        hw->txfid_N = HFA384x_DRVR_FIDSTACKLEN_MAX;
+        memset(hw->txfid_queue, 0, sizeof(hw->txfid_queue));
+
+	hw->isram16 = 1;
+
+	/* Init the auth queue head */
+	skb_queue_head_init(&hw->authq);
+
+	INIT_WORK2(&hw->link_bh, prism2sta_processing_defer);
+
+        INIT_WORK2(&hw->commsqual_bh, prism2sta_commsqual_defer);
+
+	init_timer(&hw->commsqual_timer);
+	hw->commsqual_timer.data = (unsigned long) hw;
+	hw->commsqual_timer.function = prism2sta_commsqual_timer;
+
+	hw->link_status = HFA384x_LINK_NOTCONNECTED;
+	hw->state = HFA384x_STATE_INIT;
+
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_destroy
+*
+* Partner to hfa384x_create().  This function cleans up the hw
+* structure so that it can be freed by the caller using a simple
+* kfree.  Currently, this function is just a placeholder.  If, at some
+* point in the future, an hw in the 'shutdown' state requires a 'deep'
+* kfree, this is where it should be done.  Note that if this function
+* is called on a _running_ hw structure, the drvr_stop() function is
+* called.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	nothing, this function is not allowed to fail.
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+void
+hfa384x_destroy( hfa384x_t *hw)
+{
+	struct sk_buff *skb;
+
+	DBFENTER;
+
+	if ( hw->state == HFA384x_STATE_RUNNING ) {
+		hfa384x_drvr_stop(hw);
+	}
+	hw->state = HFA384x_STATE_PREINIT;
+
+	if (hw->scanresults) {
+		kfree(hw->scanresults);
+		hw->scanresults = NULL;
+	}
+
+        /* Now to clean out the auth queue */
+        while ( (skb = skb_dequeue(&hw->authq)) ) {
+                dev_kfree_skb(skb);
+        }
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_getconfig
+*
+* Performs the sequence necessary to read a config/info item.
+*
+* Arguments:
+*	hw		device structure
+*	rid		config/info record id (host order)
+*	buf		host side record buffer.  Upon return it will
+*			contain the body portion of the record (minus the
+*			RID and len).
+*	len		buffer length (in bytes, should match record length)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*	-ENODATA 	length mismatch between argument and retrieved
+*			record.
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_getconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len)
+{
+	int 		result = 0;
+	DBFENTER;
+
+	result = hfa384x_cmd_access( hw, 0, rid, buf, len);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_setconfig
+*
+* Performs the sequence necessary to write a config/info item.
+*
+* Arguments:
+*	hw		device structure
+*	rid		config/info record id (in host order)
+*	buf		host side record buffer
+*	len		buffer length (in bytes)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_setconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len)
+{
+	int		result = 0;
+	DBFENTER;
+
+	result = hfa384x_cmd_access( hw, 1, rid, buf, len);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_readpda
+*
+* Performs the sequence to read the PDA space.  Note there is no
+* drvr_writepda() function.  Writing a PDA is
+* generally implemented by a calling component via calls to
+* cmd_download and writing to the flash download buffer via the
+* aux regs.
+*
+* Arguments:
+*	hw		device structure
+*	buf		buffer to store PDA in
+*	len		buffer length
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*	-ETIMEOUT	timout waiting for the cmd regs to become
+*			available, or waiting for the control reg
+*			to indicate the Aux port is enabled.
+*	-ENODATA	the buffer does NOT contain a valid PDA.
+*			Either the card PDA is bad, or the auxdata
+*			reads are giving us garbage.
+
+*
+* Side effects:
+*
+* Call context:
+*	process thread or non-card interrupt.
+----------------------------------------------------------------*/
+int hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, UINT len)
+{
+	int		result = 0;
+	UINT16		*pda = buf;
+	int		pdaok = 0;
+	int		morepdrs = 1;
+	int		currpdr = 0;	/* word offset of the current pdr */
+	int		i;
+	UINT16		pdrlen;		/* pdr length in bytes, host order */
+	UINT16		pdrcode;	/* pdr code, host order */
+	UINT16		crc;
+	UINT16		pdacrc;
+	struct pdaloc {
+		UINT32	cardaddr;
+		UINT16	auxctl;
+	} pdaloc[] =
+	{
+		{ HFA3842_PDA_BASE,		HFA384x_AUX_CTL_NV},
+		{ HFA3842_PDA_BASE,		HFA384x_AUX_CTL_EXTDS},
+		{ HFA3841_PDA_BASE,		HFA384x_AUX_CTL_NV},
+		{ HFA3841_PDA_BASE,		HFA384x_AUX_CTL_EXTDS},
+		{ HFA3841_PDA_BOGUS_BASE,	HFA384x_AUX_CTL_NV}
+	};
+
+	DBFENTER;
+	/* Check for aux available */
+	result = hfa384x_cmd_aux_enable(hw, 0);
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,"aux_enable() failed. result=%d\n", result);
+		goto failed;
+	}
+
+	/* Read the pda from each known address.  */
+	for ( i = 0; i < (sizeof(pdaloc)/sizeof(pdaloc[0])); i++) {
+		WLAN_LOG_DEBUG( 3, "Checking PDA@(0x%08x,%s)\n",
+			pdaloc[i].cardaddr,
+			pdaloc[i].auxctl == HFA384x_AUX_CTL_NV ?
+			"CTL_NV" : "CTL_EXTDS");
+
+		/* Copy bufsize bytes from our current pdaloc */
+		hfa384x_copy_from_aux(hw,
+			pdaloc[i].cardaddr,
+			pdaloc[i].auxctl,
+			buf,
+			len);
+
+		/* Test for garbage */
+		/* Traverse the PDR list Looking for PDA-END */
+		pdaok = 1;	/* intially assume good */
+		morepdrs = 1;
+		currpdr = 0;
+		while ( pdaok && morepdrs ) {
+			pdrlen = hfa384x2host_16(pda[currpdr]) * 2;
+			pdrcode = hfa384x2host_16(pda[currpdr+1]);
+
+			/* Test for completion at END record */
+			if ( pdrcode == HFA384x_PDR_END_OF_PDA ) {
+				if ( pdrlen == 4 ) {
+					morepdrs = 0;
+					/* Calculate CRC-16 and compare to PDA
+					 * value.  Note the addition of 2 words
+					 * for ENDREC.len and ENDREC.code
+					 * fields.
+					 */
+					crc = hfa384x_mkcrc16( (UINT8*)pda,
+						(currpdr + 2) * sizeof(UINT16));
+					pdacrc =hfa384x2host_16(pda[currpdr+2]);
+					if ( crc != pdacrc ) {
+						WLAN_LOG_DEBUG(3,
+						"PDA crc failed:"
+						"calc_crc=0x%04x,"
+						"pdr_crc=0x%04x.\n",
+						crc, pdacrc);
+						pdaok = 0;
+					}
+				} else {
+					WLAN_LOG_DEBUG(3,
+					"END record detected w/ "
+					"len(%d) != 2, assuming bad PDA\n",
+					pdrlen);
+					pdaok = 0;
+
+				}
+				break;
+			}
+
+			/* Test the record length */
+			if ( pdrlen > HFA384x_PDR_LEN_MAX || pdrlen == 0) {
+				WLAN_LOG_DEBUG(3,
+					"pdrlen for address #%d "
+					"at %#x:%#x:%d\n",
+					i, pdaloc[i].cardaddr,
+					pdaloc[i].auxctl, pdrlen);
+				WLAN_LOG_DEBUG(3,"pdrlen invalid=%d\n",
+					pdrlen);
+				pdaok = 0;
+				break;
+			}
+
+			/* Move to the next pdr */
+			if ( morepdrs ) {
+				/* note the access to pda[], we need words */
+				currpdr += hfa384x2host_16(pda[currpdr]) + 1;
+				if (currpdr*sizeof(UINT16) > len) {
+					WLAN_LOG_DEBUG(3,
+					"Didn't find PDA_END in buffer, "
+					"trying next location.\n");
+					pdaok = 0;
+					break;
+				}
+			}
+		}
+		if ( pdaok ) {
+			WLAN_LOG_INFO(
+				"PDA Read from 0x%08x in %s space.\n",
+				pdaloc[i].cardaddr,
+				pdaloc[i].auxctl == 0 ? "EXTDS" :
+				pdaloc[i].auxctl == 1 ? "NV" :
+				pdaloc[i].auxctl == 2 ? "PHY" :
+				pdaloc[i].auxctl == 3 ? "ICSRAM" :
+				"<bogus auxctl>");
+			break;
+		}
+	}
+	result = pdaok ? 0 : -ENODATA;
+
+	if ( result ) {
+		WLAN_LOG_DEBUG(3,"Failure: pda is not okay\n");
+	}
+
+	hfa384x_cmd_aux_disable(hw);
+failed:
+	DBFEXIT;
+	return result;
+}
+
+
+
+/*----------------------------------------------------------------
+* mkpda_crc
+*
+* Calculates the CRC16 for the given PDA and inserts the value
+* into the end record.
+*
+* Arguments:
+*	pda	ptr to the PDA data structure.
+*
+* Returns:
+*	0	- success
+*	~0	- failure (probably an errno)
+----------------------------------------------------------------*/
+static UINT16
+hfa384x_mkcrc16(UINT8 *p, int len)
+{
+	UINT16	crc = 0;
+	UINT8	*lim = p + len;
+
+	while (p < lim) {
+		crc = (crc >> 8 ) ^ crc16tab[(crc & 0xff) ^ *p++];
+	}
+
+	return crc;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_ramdl_enable
+*
+* Begins the ram download state.  Checks to see that we're not
+* already in a download state and that a port isn't enabled.
+* Sets the download state and calls cmd_download with the
+* ENABLE_VOLATILE subcommand and the exeaddr argument.
+*
+* Arguments:
+*	hw		device structure
+*	exeaddr		the card execution address that will be
+*                       jumped to when ramdl_disable() is called
+*			(host order).
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_ramdl_enable(hfa384x_t *hw, UINT32 exeaddr)
+{
+	int		result = 0;
+	UINT16		lowaddr;
+	UINT16		hiaddr;
+	int		i;
+	DBFENTER;
+	/* Check that a port isn't active */
+	for ( i = 0; i < HFA384x_PORTID_MAX; i++) {
+		if ( hw->port_enabled[i] ) {
+			WLAN_LOG_DEBUG(1,"Can't download with a port enabled.\n");
+			result = -EINVAL;
+			goto done;
+		}
+	}
+
+	/* Check that we're not already in a download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) {
+		WLAN_LOG_DEBUG(1,"Download state not disabled.\n");
+		result = -EINVAL;
+		goto done;
+	}
+
+	/* Are we supposed to go into genesis mode? */
+	if (exeaddr == 0x3f0000) {
+		UINT16 initseq[2] = { 0xe100, 0xffa1 };
+		UINT16 readbuf[2];
+		UINT8 hcr = 0x0f; /* Default to x16 SRAM */
+		hw->isram16 = 1;
+
+		WLAN_LOG_DEBUG(1, "Dropping into Genesis mode\n");
+
+		/* Issue card reset and enable aux port */
+		hfa384x_corereset(hw, prism2_reset_holdtime,
+				  prism2_reset_settletime, 0);
+		hfa384x_cmd_aux_enable(hw, 1);
+
+		/* Genesis set */
+		hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS,
+				    initseq, sizeof(initseq));
+
+		hfa384x_corereset(hw, prism2_reset_holdtime,
+				  prism2_reset_settletime, hcr);
+
+		/* Validate memory config */
+		hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS,
+				    initseq, sizeof(initseq));
+		hfa384x_copy_from_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS,
+				    readbuf, sizeof(initseq));
+		WLAN_HEX_DUMP(3, "readback", readbuf, sizeof(readbuf));
+
+		if (memcmp(initseq, readbuf, sizeof(readbuf))) {
+			hcr = 0x1f; /* x8 SRAM */
+			hw->isram16 = 0;
+
+			hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS,
+					    initseq, sizeof(initseq));
+			hfa384x_corereset(hw, prism2_reset_holdtime,
+					  prism2_reset_settletime, hcr);
+
+			hfa384x_copy_to_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS,
+					    initseq, sizeof(initseq));
+			hfa384x_copy_from_aux(hw, 0x7E0038, HFA384x_AUX_CTL_EXTDS,
+					    readbuf, sizeof(initseq));
+			WLAN_HEX_DUMP(2, "readback", readbuf, sizeof(readbuf));
+
+			if (memcmp(initseq, readbuf, sizeof(readbuf))) {
+				WLAN_LOG_ERROR("Genesis mode failed\n");
+				result = -1;
+				goto done;
+			}
+		}
+
+		/* Now we're in genesis mode */
+		hw->dlstate = HFA384x_DLSTATE_GENESIS;
+		goto done;
+	}
+
+	/* Retrieve the buffer loc&size and timeout */
+	if ( (result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER,
+				&(hw->bufinfo), sizeof(hw->bufinfo))) ) {
+		goto done;
+	}
+	hw->bufinfo.page = hfa384x2host_16(hw->bufinfo.page);
+	hw->bufinfo.offset = hfa384x2host_16(hw->bufinfo.offset);
+	hw->bufinfo.len = hfa384x2host_16(hw->bufinfo.len);
+	if ( (result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME,
+				&(hw->dltimeout))) ) {
+		goto done;
+	}
+	hw->dltimeout = hfa384x2host_16(hw->dltimeout);
+
+	/* Enable the aux port */
+	if ( (result = hfa384x_cmd_aux_enable(hw, 0)) ) {
+		WLAN_LOG_DEBUG(1,"Aux enable failed, result=%d.\n", result);
+		goto done;
+	}
+
+	/* Call the download(1,addr) function */
+	lowaddr = HFA384x_ADDR_CMD_MKOFF(exeaddr);
+	hiaddr =  HFA384x_ADDR_CMD_MKPAGE(exeaddr);
+
+	result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_RAM,
+			lowaddr, hiaddr, 0);
+	if ( result == 0) {
+		/* Set the download state */
+		hw->dlstate = HFA384x_DLSTATE_RAMENABLED;
+	} else {
+		WLAN_LOG_DEBUG(1,"cmd_download(0x%04x, 0x%04x) failed, result=%d.\n",
+				lowaddr,hiaddr, result);
+		/* Disable  the aux port */
+		hfa384x_cmd_aux_disable(hw);
+	}
+
+ done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_ramdl_disable
+*
+* Ends the ram download state.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_ramdl_disable(hfa384x_t *hw)
+{
+	DBFENTER;
+	/* Check that we're already in the download state */
+	if ( ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) &&
+	     ( hw->dlstate != HFA384x_DLSTATE_GENESIS ) ) {
+		return -EINVAL;
+	}
+
+	if (hw->dlstate == HFA384x_DLSTATE_GENESIS) {
+		hfa384x_corereset(hw, prism2_reset_holdtime,
+				  prism2_reset_settletime,
+				  hw->isram16 ? 0x07: 0x17);
+		goto done;
+	}
+
+	/* Disable the aux port */
+	hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0);
+
+ done:
+	hw->dlstate = HFA384x_DLSTATE_DISABLED;
+	hfa384x_cmd_aux_disable(hw);
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_ramdl_write
+*
+* Performs a RAM download of a chunk of data. First checks to see
+* that we're in the RAM download state, then uses the aux functions
+* to 1) copy the data, 2) readback and compare.  The download
+* state is unaffected.  When all data has been written using
+* this function, call drvr_ramdl_disable() to end the download state
+* and restart the MAC.
+*
+* Arguments:
+*	hw		device structure
+*	daddr		Card address to write to. (host order)
+*	buf		Ptr to data to write.
+*	len		Length of data (host order).
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_ramdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len)
+{
+	int		result = 0;
+	UINT8		*verbuf;
+	DBFENTER;
+	/* Check that we're in the ram download state */
+	if ( ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) &&
+	     ( hw->dlstate != HFA384x_DLSTATE_GENESIS ) ) {
+		return -EINVAL;
+	}
+
+	WLAN_LOG_INFO("Writing %d bytes to ram @0x%06x\n", len, daddr);
+#if 0
+WLAN_HEX_DUMP(1, "dldata", buf, len);
+#endif
+	/* Copy the data via the aux port */
+	hfa384x_copy_to_aux(hw, daddr, HFA384x_AUX_CTL_EXTDS, buf, len);
+
+	/* Create a buffer for the verify */
+	verbuf = kmalloc(len, GFP_KERNEL);
+	if (verbuf == NULL ) return 1;
+
+	/* Read back and compare */
+	hfa384x_copy_from_aux(hw, daddr, HFA384x_AUX_CTL_EXTDS, verbuf, len);
+
+	if ( memcmp(buf, verbuf, len) ) {
+		WLAN_LOG_DEBUG(1,"ramdl verify failed!\n");
+		result = -EINVAL;
+	}
+
+	kfree_s(verbuf, len);
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_flashdl_enable
+*
+* Begins the flash download state.  Checks to see that we're not
+* already in a download state and that a port isn't enabled.
+* Sets the download state and retrieves the flash download
+* buffer location, buffer size, and timeout length.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_flashdl_enable(hfa384x_t *hw)
+{
+	int		result = 0;
+	int		i;
+
+	DBFENTER;
+	/* Check that a port isn't active */
+	for ( i = 0; i < HFA384x_PORTID_MAX; i++) {
+		if ( hw->port_enabled[i] ) {
+			WLAN_LOG_DEBUG(1,"called when port enabled.\n");
+			return -EINVAL;
+		}
+	}
+
+	/* Check that we're not already in a download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) {
+		return -EINVAL;
+	}
+
+	/* Retrieve the buffer loc&size and timeout */
+	if ( (result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER,
+				&(hw->bufinfo), sizeof(hw->bufinfo))) ) {
+		return result;
+	}
+	hw->bufinfo.page = hfa384x2host_16(hw->bufinfo.page);
+	hw->bufinfo.offset = hfa384x2host_16(hw->bufinfo.offset);
+	hw->bufinfo.len = hfa384x2host_16(hw->bufinfo.len);
+	if ( (result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME,
+				&(hw->dltimeout))) ) {
+		return result;
+	}
+	hw->dltimeout = hfa384x2host_16(hw->dltimeout);
+
+	/* Enable the aux port */
+	if ( (result = hfa384x_cmd_aux_enable(hw, 0)) ) {
+		return result;
+	}
+
+	hw->dlstate = HFA384x_DLSTATE_FLASHENABLED;
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_flashdl_disable
+*
+* Ends the flash download state.  Note that this will cause the MAC
+* firmware to restart.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_flashdl_disable(hfa384x_t *hw)
+{
+	DBFENTER;
+	/* Check that we're already in the download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) {
+		return -EINVAL;
+	}
+
+	/* There isn't much we can do at this point, so I don't */
+	/*  bother  w/ the return value */
+	hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0);
+	hw->dlstate = HFA384x_DLSTATE_DISABLED;
+
+	/* Disable the aux port */
+	hfa384x_cmd_aux_disable(hw);
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_flashdl_write
+*
+* Performs a FLASH download of a chunk of data. First checks to see
+* that we're in the FLASH download state, then sets the download
+* mode, uses the aux functions to 1) copy the data to the flash
+* buffer, 2) sets the download 'write flash' mode, 3) readback and
+* compare.  Lather rinse, repeat as many times an necessary to get
+* all the given data into flash.
+* When all data has been written using this function (possibly
+* repeatedly), call drvr_flashdl_disable() to end the download state
+* and restart the MAC.
+*
+* Arguments:
+*	hw		device structure
+*	daddr		Card address to write to. (host order)
+*	buf		Ptr to data to write.
+*	len		Length of data (host order).
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_flashdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len)
+{
+	int		result = 0;
+	UINT8		*verbuf;
+	UINT32		dlbufaddr;
+	UINT32		currlen;
+	UINT32		currdaddr;
+	UINT16		destlo;
+	UINT16		desthi;
+	int		nwrites;
+	int		i;
+
+	DBFENTER;
+	/* Check that we're in the flash download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) {
+		return -EINVAL;
+	}
+
+	WLAN_LOG_INFO("Download %d bytes to flash @0x%06x\n", len, daddr);
+
+	/* Need a flat address for arithmetic */
+	dlbufaddr = HFA384x_ADDR_AUX_MKFLAT(
+			hw->bufinfo.page,
+			hw->bufinfo.offset);
+	verbuf = kmalloc(hw->bufinfo.len, GFP_KERNEL);
+
+#if 0
+WLAN_LOG_WARNING("dlbuf@0x%06lx len=%d to=%d\n", dlbufaddr, hw->bufinfo.len, hw->dltimeout);
+#endif
+	/* Figure out how many times to to the flash prog */
+	nwrites = len / hw->bufinfo.len;
+	nwrites += (len % hw->bufinfo.len) ? 1 : 0;
+
+	if ( verbuf == NULL ) {
+		WLAN_LOG_ERROR("Failed to allocate flash verify buffer\n");
+		return 1;
+	}
+	/* For each */
+	for ( i = 0; i < nwrites; i++) {
+		/* Get the dest address and len */
+		currlen = (len - (hw->bufinfo.len * i)) > hw->bufinfo.len ?
+				hw->bufinfo.len :
+				(len - (hw->bufinfo.len * i));
+		currdaddr = daddr + (hw->bufinfo.len * i);
+		destlo = HFA384x_ADDR_CMD_MKOFF(currdaddr);
+		desthi = HFA384x_ADDR_CMD_MKPAGE(currdaddr);
+		WLAN_LOG_INFO("Writing %d bytes to flash @0x%06x\n", currlen, currdaddr);
+#if 0
+WLAN_HEX_DUMP(1, "dldata", buf+(hw->bufinfo.len*i), currlen);
+#endif
+		/* Set the download mode */
+		result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_NV,
+				destlo, desthi, currlen);
+		if ( result ) {
+			WLAN_LOG_ERROR("download(NV,lo=%x,hi=%x,len=%x) "
+				"cmd failed, result=%d. Aborting d/l\n",
+				destlo, desthi, currlen, result);
+			goto exit_proc;
+		}
+		/* copy the data to the flash buffer */
+		hfa384x_copy_to_aux(hw, dlbufaddr, HFA384x_AUX_CTL_EXTDS,
+					buf+(hw->bufinfo.len*i), currlen);
+		/* set the download 'write flash' mode */
+		result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_NVWRITE, 0,0,0);
+		if ( result ) {
+			WLAN_LOG_ERROR(
+				"download(NVWRITE,lo=%x,hi=%x,len=%x) "
+				"cmd failed, result=%d. Aborting d/l\n",
+				destlo, desthi, currlen, result);
+			goto exit_proc;
+		}
+		/* readback and compare, if fail...bail */
+		hfa384x_copy_from_aux(hw,
+				currdaddr, HFA384x_AUX_CTL_NV,
+				verbuf, currlen);
+
+		if ( memcmp(buf+(hw->bufinfo.len*i), verbuf, currlen) ) {
+			return -EINVAL;
+		}
+	}
+
+exit_proc:
+         /* DOH! This kfree's for you Mark :-) My forehead hurts... */
+         kfree(verbuf);
+
+	/* Leave the firmware in the 'post-prog' mode.  flashdl_disable will */
+	/*  actually disable programming mode.  Remember, that will cause the */
+	/*  the firmware to effectively reset itself. */
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_initialize
+*
+* Issues the initialize command and sets the hw->state based
+* on the result.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_initialize(hfa384x_t *hw)
+{
+	int result = 0;
+	int i;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	/* we don't want to be interrupted during the reset */
+	hfa384x_setreg(hw, 0, HFA384x_INTEN);
+	hfa384x_setreg(hw, 0xffff, HFA384x_EVACK);
+
+	cmd.cmd = HFA384x_CMDCODE_INIT;
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	if ( result == 0 ) {
+		for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) {
+			hw->port_enabled[i] = 0;
+		}
+	}
+
+        hw->link_status = HFA384x_LINK_NOTCONNECTED;
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_commtallies
+*
+* Send a commtallies inquiry to the MAC.  Note that this is an async
+* call that will result in an info frame arriving sometime later.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	zero		success.
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_commtallies( hfa384x_t *hw )
+{
+	hfa384x_metacmd_t cmd;
+	int result;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMDCODE_INQ;
+	cmd.parm0 = HFA384x_IT_COMMTALLIES;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_enable
+*
+* Issues the enable command to enable communications on one of
+* the MACs 'ports'.  Only macport 0 is valid  for stations.
+* APs may also enable macports 1-6.  Only ports that are currently
+* disabled may be enabled.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_enable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+
+	DBFENTER;
+	if ((!hw->isap && macport != 0) ||
+	    (hw->isap && !(macport <= HFA384x_PORTID_MAX)) ||
+	    (hw->port_enabled[macport]) ){
+		result = -EINVAL;
+	} else {
+		result = hfa384x_cmd_enable(hw, macport);
+		if ( result == 0 ) {
+			hw->port_enabled[macport] = 1;
+		}
+	}
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_enable
+*
+* Issues the the enable command to enable communications on one of the
+* MACs 'ports'.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_enable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ENABLE) |
+		  HFA384x_CMD_MACPORT_SET(macport);
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_disable
+*
+* Issues the disable command to stop communications on one of
+* the MACs 'ports'.  Only macport 0 is valid  for stations.
+* APs may also disable macports 1-6.  Only ports that have been
+* previously enabled may be disabled.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_disable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+
+	DBFENTER;
+	if ((!hw->isap && macport != 0) ||
+	    (hw->isap && !(macport <= HFA384x_PORTID_MAX)) ||
+	    !(hw->port_enabled[macport]) ){
+		result = -EINVAL;
+	} else {
+		result = hfa384x_cmd_disable(hw, macport);
+		if ( result == 0 ) {
+			hw->port_enabled[macport] = 0;
+		}
+	}
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_disable
+*
+* Issues the command to disable a port.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_disable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DISABLE) |
+		  HFA384x_CMD_MACPORT_SET(macport);
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_diagnose
+*
+* Issues the diagnose command to test the: register interface,
+* MAC controller (including loopback), External RAM, Non-volatile
+* memory integrity, and synthesizers.  Following execution of this
+* command, MAC/firmware are in the 'initial state'.  Therefore,
+* the Initialize command should be issued after successful
+* completion of this command.  This function may only be called
+* when the MAC is in the 'communication disabled' state.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+#define DIAG_PATTERNA ((UINT16)0xaaaa)
+#define DIAG_PATTERNB ((UINT16)0x5555)
+
+int hfa384x_cmd_diagnose(hfa384x_t *hw)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DIAG);
+	cmd.parm0 = DIAG_PATTERNA;
+	cmd.parm1 = DIAG_PATTERNB;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_allocate
+*
+* Issues the allocate command instructing the firmware to allocate
+* a 'frame structure buffer' in MAC controller RAM.  This command
+* does not provide the result, it only initiates one of the f/w's
+* asynchronous processes to construct the buffer.  When the
+* allocation is complete, it will be indicated via the Alloc
+* bit in the EvStat register and the FID identifying the allocated
+* space will be available from the AllocFID register.  Some care
+* should be taken when waiting for the Alloc event.  If a Tx or
+* Notify command w/ Reclaim has been previously executed, it's
+* possible the first Alloc event after execution of this command
+* will be for the reclaimed buffer and not the one you asked for.
+* This case must be handled in the Alloc event handler.
+*
+* Arguments:
+*	hw		device structure
+*	len		allocation length, must be an even value
+*			in the range [4-2400]. (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_allocate(hfa384x_t *hw, UINT16 len)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	if ( (len % 2) ||
+	     len < HFA384x_CMD_ALLOC_LEN_MIN ||
+	     len > HFA384x_CMD_ALLOC_LEN_MAX ) {
+		result = -EINVAL;
+	} else {
+		cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ALLOC);
+		cmd.parm0 = len;
+		cmd.parm1 = 0;
+		cmd.parm2 = 0;
+
+		spin_lock_bh(&hw->cmdlock);
+		result = hfa384x_docmd_wait(hw, &cmd);
+		spin_unlock_bh(&hw->cmdlock);
+	}
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_transmit
+*
+* Instructs the firmware to transmit a frame previously copied
+* to a given buffer.  This function returns immediately, the Tx
+* results are available via the Tx or TxExc events (if the frame
+* control bits are set).  The reclaim argument specifies if the
+* FID passed will be used by the f/w tx process or returned for
+* use w/ another transmit command.  If reclaim is set, expect an
+* Alloc event signalling the availibility of the FID for reuse.
+*
+* NOTE: hw->cmdlock MUST BE HELD before calling this function!
+*
+* Arguments:
+*	hw		device structure
+*	reclaim		[0|1] indicates whether the given FID will
+*			be handed back (via Alloc event) for reuse.
+*			(host order)
+*	qos		[0-3] Value to put in the QoS field of the
+*			tx command, identifies a queue to place the
+*			outgoing frame in.
+*			(host order)
+*	fid		FID of buffer containing the frame that was
+*			previously copied to MAC memory via the bap.
+*			(host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*	hw->resp0 will contain the FID being used by async tx
+*	process.  If reclaim==0, resp0 will be the same as the fid
+*	argument.  If reclaim==1, resp0 will be the different and
+*	is the value to watch for in the Tx|TxExc to indicate completion
+*	of the frame passed in fid.
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_transmit(hfa384x_t *hw, UINT16 reclaim, UINT16 qos, UINT16 fid)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_TX) |
+		HFA384x_CMD_RECL_SET(reclaim) |
+		HFA384x_CMD_QOS_SET(qos);
+	cmd.parm0 = fid;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_clearpersist
+*
+* Instructs the firmware to clear the persistence bit in a given
+* FID.  This has the effect of telling the firmware to drop the
+* persistent frame.  The FID must be one that was previously used
+* to transmit a PRST frame.
+*
+* Arguments:
+*	hw		device structure
+*	fid		FID of the persistent frame (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_clearpersist(hfa384x_t *hw, UINT16 fid)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_CLRPRST);
+	cmd.parm0 = fid;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_notify
+*
+* Sends an info frame to the firmware to alter the behavior
+* of the f/w asynch processes.  Can only be called when the MAC
+* is in the enabled state.
+*
+* Arguments:
+*	hw		device structure
+*	reclaim		[0|1] indicates whether the given FID will
+*			be handed back (via Alloc event) for reuse.
+*			(host order)
+*	fid		FID of buffer containing the frame that was
+*			previously copied to MAC memory via the bap.
+*			(host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*	hw->resp0 will contain the FID being used by async notify
+*	process.  If reclaim==0, resp0 will be the same as the fid
+*	argument.  If reclaim==1, resp0 will be the different.
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_notify(hfa384x_t *hw, UINT16 reclaim, UINT16 fid,
+		       void *buf, UINT16 len)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_NOTIFY) |
+		HFA384x_CMD_RECL_SET(reclaim);
+	cmd.parm0 = fid;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+
+        /* Copy the record to FID */
+        result = hfa384x_copy_to_bap(hw, HFA384x_BAP_PROC, hw->infofid, 0, buf, len);
+        if ( result ) {
+                WLAN_LOG_DEBUG(1,
+			"copy_to_bap(%04x, 0, %d) failed, result=0x%x\n",
+                        hw->infofid, len, result);
+		result = -EIO;
+                goto failed;
+        }
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+ failed:
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+#if 0
+/*----------------------------------------------------------------
+* hfa384x_cmd_inquiry
+*
+* Requests an info frame from the firmware.  The info frame will
+* be delivered asynchronously via the Info event.
+*
+* Arguments:
+*	hw		device structure
+*	fid		FID of the info frame requested. (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int hfa384x_cmd_inquiry(hfa384x_t *hw, UINT16 fid)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_INQ);
+	cmd.parm0 = fid;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+#endif
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_access
+*
+* Requests that a given record be copied to/from the record
+* buffer.  If we're writing from the record buffer, the contents
+* must previously have been written to the record buffer via the
+* bap.  If we're reading into the record buffer, the record can
+* be read out of the record buffer after this call.
+*
+* Arguments:
+*	hw		device structure
+*	write		[0|1] copy the record buffer to the given
+*			configuration record. (host order)
+*	rid		RID of the record to read/write. (host order)
+*	buf		host side record buffer.  Upon return it will
+*			contain the body portion of the record (minus the
+*			RID and len).
+*	len		buffer length (in bytes, should match record length)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_access(hfa384x_t *hw, UINT16 write, UINT16 rid,
+		       void* buf, UINT16 len)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+	hfa384x_rec_t	rec;
+
+	DBFENTER;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0))
+	/* This should NOT be called in interrupt context! */
+	if (in_irq()) {
+		WLAN_LOG_ERROR("Krap, in Interrupt context!");
+#ifdef WLAN_INCLUDE_DEBUG
+		BUG();
+#endif
+	}
+#endif
+	spin_lock_bh(&hw->cmdlock);
+
+	if (write) {
+		rec.rid = host2hfa384x_16(rid);
+		rec.reclen = host2hfa384x_16((len/2) + 1); /* note conversion to words, +1 for rid field */
+		/* write the record */
+		result = hfa384x_copy_to_bap4( hw, HFA384x_BAP_PROC, rid, 0,
+					       &rec, sizeof(rec),
+					       buf, len,
+					       NULL, 0, NULL, 0);
+		if ( result ) {
+			WLAN_LOG_DEBUG(3,"Failure writing record header+data\n");
+			goto fail;
+		}
+
+	}
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ACCESS) |
+		HFA384x_CMD_WRITE_SET(write);
+	cmd.parm0 = rid;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+	if ( result ) {
+		WLAN_LOG_ERROR("Call to hfa384x_docmd_wait failed (%d %d)\n",
+				result, cmd.result.resp0);
+		goto fail;
+	}
+
+	if (!write) {
+		result = hfa384x_copy_from_bap( hw, HFA384x_BAP_PROC, rid, 0, &rec, sizeof(rec));
+		if ( result ) {
+			WLAN_LOG_DEBUG(3,"Call to hfa384x_copy_from_bap failed\n");
+			goto fail;
+		}
+
+		/* Validate the record length */
+		if ( ((hfa384x2host_16(rec.reclen)-1)*2) != len ) {  /* note body len calculation in bytes */
+			WLAN_LOG_DEBUG(1, "RID len mismatch, rid=0x%04x hlen=%d fwlen=%d\n",
+					rid, len, (hfa384x2host_16(rec.reclen)-1)*2);
+			result = -ENODATA;
+			goto fail;
+		}
+
+		result = hfa384x_copy_from_bap( hw, HFA384x_BAP_PROC, rid, sizeof(rec), buf, len);
+
+	}
+
+ fail:
+	spin_unlock_bh(&hw->cmdlock);
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_monitor
+*
+* Enables the 'monitor mode' of the MAC.  Here's the description of
+* monitor mode that I've received thus far:
+*
+*  "The "monitor mode" of operation is that the MAC passes all
+*  frames for which the PLCP checks are correct. All received
+*  MPDUs are passed to the host with MAC Port = 7, with a
+*  receive status of good, FCS error, or undecryptable. Passing
+*  certain MPDUs is a violation of the 802.11 standard, but useful
+*  for a debugging tool."  Normal communication is not possible
+*  while monitor mode is enabled.
+*
+* Arguments:
+*	hw		device structure
+*	enable		a code (0x0b|0x0f) that enables/disables
+*			monitor mode. (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_monitor(hfa384x_t *hw, UINT16 enable)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_MONITOR) |
+		HFA384x_CMD_AINFO_SET(enable);
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_download
+*
+* Sets the controls for the MAC controller code/data download
+* process.  The arguments set the mode and address associated
+* with a download.  Note that the aux registers should be enabled
+* prior to setting one of the download enable modes.
+*
+* Arguments:
+*	hw		device structure
+*	mode		0 - Disable programming and begin code exec
+*			1 - Enable volatile mem programming
+*			2 - Enable non-volatile mem programming
+*			3 - Program non-volatile section from NV download
+*			    buffer.
+*			(host order)
+*	lowaddr
+*	highaddr	For mode 1, sets the high & low order bits of
+*			the "destination address".  This address will be
+*			the execution start address when download is
+*			subsequently disabled.
+*			For mode 2, sets the high & low order bits of
+*			the destination in NV ram.
+*			For modes 0 & 3, should be zero. (host order)
+*			NOTE: these address args are in CMD format
+*	codelen		Length of the data to write in mode 2,
+*			zero otherwise. (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_download(hfa384x_t *hw, UINT16 mode, UINT16 lowaddr,
+				UINT16 highaddr, UINT16 codelen)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DOWNLD) |
+		HFA384x_CMD_PROGMODE_SET(mode);
+	cmd.parm0 = lowaddr;
+	cmd.parm1 = highaddr;
+	cmd.parm2 = codelen;
+
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_dl_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_aux_enable
+*
+* Goes through the process of enabling the auxilary port.  This
+* is necessary prior to raw reads/writes to card data space.
+* Direct access to the card data space is only used for downloading
+* code and debugging.
+* Note that a call to this function is required before attempting
+* a download.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_aux_enable(hfa384x_t *hw, int force)
+{
+	int		result = -ETIMEDOUT;
+	unsigned long	flags;
+	UINT32		retries_remaining;
+	UINT16		reg;
+	UINT		auxen_mirror = hw->auxen;
+
+	DBFENTER;
+
+	/* Check for existing enable */
+	if ( hw->auxen ) {
+		hw->auxen++;
+		return 0;
+	}
+
+	/* acquire the lock */
+	spin_lock_irqsave( &(hw->cmdlock), flags);
+	/* wait for cmd register busy bit to clear */
+	retries_remaining = 100000;
+	do {
+		reg = hfa384x_getreg(hw, HFA384x_CMD);
+		udelay(10);
+	}
+	while (HFA384x_CMD_ISBUSY(reg) && --retries_remaining);
+	if (retries_remaining != 0) {
+		/* busy bit clear, it's OK to write to ParamX regs */
+		hfa384x_setreg(hw, HFA384x_AUXPW0,
+			HFA384x_PARAM0);
+		hfa384x_setreg(hw, HFA384x_AUXPW1,
+			HFA384x_PARAM1);
+		hfa384x_setreg(hw, HFA384x_AUXPW2,
+			HFA384x_PARAM2);
+
+		/* Set the aux enable in the Control register */
+		hfa384x_setreg(hw, HFA384x_CONTROL_AUX_DOENABLE,
+			HFA384x_CONTROL);
+
+		/* Now wait for completion */
+		retries_remaining = 100000;
+		do {
+			reg = hfa384x_getreg(hw, HFA384x_CONTROL);
+			udelay(10);
+		}
+		while ( ((reg & (BIT14|BIT15)) != HFA384x_CONTROL_AUX_ISENABLED) &&
+			--retries_remaining );
+		if (retries_remaining != 0) {
+			result = 0;
+			hw->auxen++;
+		}
+	}
+
+	/* Force it enabled even if the command failed, if told.. */
+	if ((hw->auxen == auxen_mirror) && force)
+		hw->auxen++;
+
+	spin_unlock_irqrestore( &(hw->cmdlock), flags);
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_aux_disable
+*
+* Goes through the process of disabling the auxilary port
+* enabled with aux_enable().
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_cmd_aux_disable(hfa384x_t *hw)
+{
+	int		result = -ETIMEDOUT;
+	unsigned long   timeout;
+	UINT16		reg = 0;
+
+	DBFENTER;
+
+	/* See if there's more than one enable */
+	if (hw->auxen) hw->auxen--;
+	if (hw->auxen) return 0;
+
+	/* Clear the aux enable in the Control register */
+	hfa384x_setreg(hw, 0, HFA384x_PARAM0);
+	hfa384x_setreg(hw, 0, HFA384x_PARAM1);
+	hfa384x_setreg(hw, 0, HFA384x_PARAM2);
+	hfa384x_setreg(hw, HFA384x_CONTROL_AUX_DODISABLE,
+		HFA384x_CONTROL);
+
+	/* Now wait for completion */
+	timeout = jiffies + 1*HZ;
+	reg = hfa384x_getreg(hw, HFA384x_CONTROL);
+	while ( ((reg & (BIT14|BIT15)) != HFA384x_CONTROL_AUX_ISDISABLED) &&
+		time_before(jiffies,timeout) ){
+		udelay(10);
+		reg = hfa384x_getreg(hw, HFA384x_CONTROL);
+	}
+	if ((reg & (BIT14|BIT15)) == HFA384x_CONTROL_AUX_ISDISABLED ) {
+		result = 0;
+	}
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_low_level
+*
+* Write test commands to the card.  Some test commands don't make
+* sense without prior set-up.  For example, continous TX isn't very
+* useful until you set the channel.  That functionality should be
+*
+* Side effects:
+*
+* Call context:
+*      process thread
+* -----------------------------------------------------------------*/
+int hfa384x_drvr_low_level(hfa384x_t *hw, hfa384x_metacmd_t *cmd)
+{
+	int             result = 0;
+	DBFENTER;
+
+	/* Do i need a host2hfa... conversion ? */
+#if 0
+	printk(KERN_INFO "%#x %#x %#x %#x\n", cmd->cmd, cmd->parm0, cmd->parm1, cmd->parm2);
+#endif
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/* TODO: determine if these will ever be needed */
+#if 0
+int hfa384x_cmd_readmif(hfa384x_t *hw)
+{
+	DBFENTER;
+	DBFEXIT;
+	return 0;
+}
+
+
+int hfa384x_cmd_writemif(hfa384x_t *hw)
+{
+	DBFENTER;
+	DBFEXIT;
+	return 0;
+}
+#endif
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_mmi_read
+*
+* Read mmi registers.  mmi is intersil-speak for the baseband
+* processor registers.
+*
+* Arguments:
+*       hw              device structure
+*       register        The test register to be accessed (must be even #).
+*
+* Returns:
+*       0               success
+*       >0              f/w reported error - f/w status code
+*       <0              driver reported error
+*
+* Side effects:
+*
+* Call context:
+*       process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_mmi_read(hfa384x_t *hw, UINT32 addr, UINT32 *resp)
+{
+        int             result = 0;
+	hfa384x_metacmd_t cmd;
+
+        DBFENTER;
+	cmd.cmd = (UINT16) 0x30;
+	cmd.parm0 = (UINT16) addr;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+        /* Do i need a host2hfa... conversion ? */
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+	*resp = (UINT32) cmd.result.resp0;
+
+        DBFEXIT;
+        return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_mmi_write
+*
+* Read mmi registers.  mmi is intersil-speak for the baseband
+* processor registers.
+*
+* Arguments:
+*       hw              device structure
+*       addr            The test register to be accessed (must be even #).
+*       data            The data value to write to the register.
+*
+* Returns:
+*       0               success
+*       >0              f/w reported error - f/w status code
+*       <0              driver reported error
+*
+* Side effects:
+*
+* Call context:
+*       process thread
+----------------------------------------------------------------*/
+
+int
+hfa384x_drvr_mmi_write(hfa384x_t *hw, UINT32 addr, UINT32 data)
+{
+        int             result = 0;
+	hfa384x_metacmd_t cmd;
+
+        DBFENTER;
+	cmd.cmd = (UINT16) 0x31;
+	cmd.parm0 = (UINT16) addr;
+	cmd.parm1 = (UINT16) data;
+	cmd.parm2 = 0;
+
+        WLAN_LOG_DEBUG(1,"mmi write : addr = 0x%08x\n", addr);
+        WLAN_LOG_DEBUG(1,"mmi write : data = 0x%08x\n", data);
+
+        /* Do i need a host2hfa... conversion ? */
+	spin_lock_bh(&hw->cmdlock);
+	result = hfa384x_docmd_wait(hw, &cmd);
+	spin_unlock_bh(&hw->cmdlock);
+
+        DBFEXIT;
+        return result;
+}
+
+
+/* TODO: determine if these will ever be needed */
+#if 0
+int hfa384x_cmd_readmif(hfa384x_t *hw)
+{
+        DBFENTER;
+        DBFEXIT;
+        return 0;
+}
+
+
+int hfa384x_cmd_writemif(hfa384x_t *hw)
+{
+        DBFENTER;
+        DBFEXIT;
+        return 0;
+}
+#endif
+
+
+
+/*----------------------------------------------------------------
+* hfa384x_copy_from_bap
+*
+* Copies a collection of bytes from the MAC controller memory via
+* one set of BAP registers.
+*
+* Arguments:
+*	hw		device structure
+*	bap		[0|1] which BAP to use
+*	id		FID or RID, destined for the select register (host order)
+*	offset		An _even_ offset into the buffer for the given
+*			FID/RID.  We haven't the means to validate this,
+*			so be careful. (host order)
+*	buf		ptr to array of bytes
+*	len		length of data to transfer in bytes
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - value of offset reg.
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+*	interrupt
+----------------------------------------------------------------*/
+int hfa384x_copy_from_bap(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset,
+				void *buf, UINT len)
+{
+	int		result = 0;
+	unsigned long	flags = 0;
+	UINT8		*d = (UINT8*)buf;
+	UINT		selectreg;
+	UINT		offsetreg;
+	UINT		datareg;
+	UINT		i;
+	UINT16		reg = 0;
+
+	DBFENTER;
+
+	/* Validate bap, offset, buf, and len */
+	if ( (bap > 1) ||
+	     (offset > HFA384x_BAP_OFFSET_MAX) ||
+	     (offset % 2) ||
+	     (buf == NULL) ||
+	     (len > HFA384x_BAP_DATALEN_MAX) ){
+	     	result = -EINVAL;
+	} else {
+		selectreg = (bap == 1) ?  HFA384x_SELECT1 : HFA384x_SELECT0 ;
+		offsetreg = (bap == 1) ?  HFA384x_OFFSET1 : HFA384x_OFFSET0 ;
+		datareg =   (bap == 1) ?  HFA384x_DATA1 : HFA384x_DATA0 ;
+
+		/* Obtain lock */
+		spin_lock_irqsave( &(hw->baplock), flags);
+
+		/* Write id to select reg */
+		hfa384x_setreg(hw, id, selectreg);
+		/* Write offset to offset reg */
+		hfa384x_setreg(hw, offset, offsetreg);
+		/* Wait for offset[busy] to clear (see BAP_TIMEOUT) */
+		i = 0;
+		do {
+			reg = hfa384x_getreg(hw, offsetreg);
+			if ( i > 0 ) udelay(10);
+			i++;
+		} while ( i < prism2_bap_timeout && HFA384x_OFFSET_ISBUSY(reg));
+#if (WLAN_HOSTIF != WLAN_PCI)
+		/* Release lock */
+		spin_unlock_irqrestore( &(hw->baplock), flags);
+#endif
+
+		if ( HFA384x_OFFSET_ISBUSY(reg) ){
+			/* If timeout, return -ETIMEDOUT */
+			result = reg;
+		} else if ( HFA384x_OFFSET_ISERR(reg) ){
+			/* If offset[err] == 1, return -EINVAL */
+			result = reg;
+		} else {
+			/* Read even(len) buf contents from data reg */
+			for ( i = 0; i < (len & 0xfffe); i+=2 ) {
+				*(UINT16*)(&(d[i])) =
+					hfa384x_getreg_noswap(hw, datareg);
+			}
+			/* If len odd, handle last byte */
+			if ( len % 2 ){
+				reg = hfa384x_getreg_noswap(hw, datareg);
+				d[len-1] = ((UINT8*)(&reg))[0];
+			}
+		}
+
+		/* According to Intersil errata dated 9/16/02:
+
+		"In PRISM PCI MAC host interface, if both BAPs are concurrently
+		 requesing memory access, both will accept the Ack.   There is no
+		 firmware workaround possible.  To prevent BAP access failures or
+		 hang conditions the host MUST NOT access both BAPs in sucession
+		 unless at least 5us elapses between accesses.  The safest choice
+		 is to USE ONLY ONE BAP for all data movement operations."
+
+		 What this means:
+
+		 We have to serialize ALL BAP accesses, and furthermore, add a 5us
+		 delay after access if we're using a PCI platform.
+
+		 Unfortunately, this means we have to lock out interrupts througout
+		 the entire BAP copy.
+
+		 It remains to be seen if "BAP access" means "BAP setup" or the more
+		 literal definition of "copying data back and forth"  I'm erring for
+		 the latter, safer definition.  -- SLP.
+
+		*/
+
+#if (WLAN_HOSTIF == WLAN_PCI)
+		udelay(5);
+		/* Release lock */
+		spin_unlock_irqrestore( &(hw->baplock), flags);
+#endif
+
+	}
+
+	if (result) {
+	  WLAN_LOG_DEBUG(1,
+			  "copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n",
+			  reg, len, result);
+	}
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_copy_to_bap
+*
+* Copies a collection of bytes to the MAC controller memory via
+* one set of BAP registers.
+*
+* Arguments:
+*	hw		device structure
+*	bap		[0|1] which BAP to use
+*	id		FID or RID, destined for the select register (host order)
+*	offset		An _even_ offset into the buffer for the given
+*			FID/RID.  We haven't the means to validate this,
+*			so be careful. (host order)
+*	buf		ptr to array of bytes
+*	len		length of data to transfer (in bytes)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - value of offset reg.
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+*	interrupt
+----------------------------------------------------------------*/
+int hfa384x_copy_to_bap(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset,
+				void *buf, UINT len)
+{
+	return hfa384x_copy_to_bap4(hw, bap, id, offset, buf, len, NULL, 0, NULL, 0, NULL, 0);
+}
+
+int hfa384x_copy_to_bap4(hfa384x_t *hw, UINT16 bap, UINT16 id, UINT16 offset,
+			 void *buf, UINT len1, void* buf2, UINT len2,
+			 void *buf3, UINT len3, void *buf4, UINT len4)
+{
+	int		result = 0;
+	unsigned long	flags = 0;
+	UINT8		*d;
+	UINT		selectreg;
+	UINT		offsetreg;
+	UINT		datareg;
+	UINT		i;
+	UINT16		reg;
+
+	DBFENTER;
+
+//	printk(KERN_DEBUG "ctb1 %d id %04x o %d %d %d %d %d\n", bap, id, offset, len1, len2, len3, len4);
+
+	/* Validate bap, offset, buf, and len */
+	if ( (bap > 1) ||
+	     (offset > HFA384x_BAP_OFFSET_MAX) ||
+	     (offset % 2) ||
+	     (buf == NULL) ||
+	     (len1+len2+len3+len4 > HFA384x_BAP_DATALEN_MAX) ){
+	     	result = -EINVAL;
+	} else {
+		selectreg = (bap == 1) ? HFA384x_SELECT1 : HFA384x_SELECT0;
+		offsetreg = (bap == 1) ? HFA384x_OFFSET1 : HFA384x_OFFSET0;
+		datareg =   (bap == 1) ? HFA384x_DATA1   : HFA384x_DATA0;
+		/* Obtain lock */
+		spin_lock_irqsave( &(hw->baplock), flags);
+
+		/* Write id to select reg */
+		hfa384x_setreg(hw, id, selectreg);
+		udelay(10);
+		/* Write offset to offset reg */
+		hfa384x_setreg(hw, offset, offsetreg);
+		/* Wait for offset[busy] to clear (see BAP_TIMEOUT) */
+		i = 0;
+		do {
+			reg = hfa384x_getreg(hw, offsetreg);
+			if ( i > 0 ) udelay(10);
+			i++;
+		} while ( i < prism2_bap_timeout && HFA384x_OFFSET_ISBUSY(reg));
+
+#if (WLAN_HOSTIF != WLAN_PCI)
+		/* Release lock */
+		spin_unlock_irqrestore( &(hw->baplock), flags);
+#endif
+
+		if ( HFA384x_OFFSET_ISBUSY(reg) ){
+			/* If timeout, return reg */
+			result = reg;
+		} else if ( HFA384x_OFFSET_ISERR(reg) ){
+			/* If offset[err] == 1, return reg */
+			result = reg;
+		} else {
+			d = (UINT8*)buf;
+			/* Write even(len1) buf contents to data reg */
+			for ( i = 0; i < (len1 & 0xfffe); i+=2 ) {
+				hfa384x_setreg_noswap(hw,
+					*(UINT16*)(&(d[i])), datareg);
+			}
+			if (len1 & 1) {
+				UINT16 data;
+				UINT8 *b = (UINT8 *) &data;
+				b[0] = d[len1-1];
+				if (buf2 != NULL) {
+					d = (UINT8*)buf2;
+					b[1] = d[0];
+					len2--;
+					buf2++;
+				}
+				hfa384x_setreg_noswap(hw, data, datareg);
+			}
+			if ((buf2 != NULL) && (len2 > 0)) {
+				/* Write even(len2) buf contents to data reg */
+				d = (UINT8*)buf2;
+				for ( i = 0; i < (len2 & 0xfffe); i+=2 ) {
+					hfa384x_setreg_noswap(hw, *(UINT16*)(&(d[i])), datareg);
+				}
+				if (len2 & 1) {
+					UINT16 data;
+					UINT8 *b = (UINT8 *) &data;
+					b[0] = d[len2-1];
+					if (buf3 != NULL) {
+						d = (UINT8*)buf3;
+						b[1] = d[0];
+						len3--;
+						buf3++;
+					}
+					hfa384x_setreg_noswap(hw, data, datareg);
+				}
+			}
+
+			if ((buf3 != NULL) && (len3 > 0)) {
+				/* Write even(len3) buf contents to data reg */
+				d = (UINT8*)buf3;
+				for ( i = 0; i < (len3 & 0xfffe); i+=2 ) {
+					hfa384x_setreg_noswap(hw, *(UINT16*)(&(d[i])), datareg);
+				}
+				if (len3 & 1) {
+					UINT16 data;
+					UINT8 *b = (UINT8 *) &data;
+					b[0] = d[len3-1];
+					if (buf4 != NULL) {
+						d = (UINT8*)buf4;
+						b[1] = d[0];
+						len4--;
+						buf4++;
+					}
+					hfa384x_setreg_noswap(hw, data, datareg);
+				}
+			}
+			if ((buf4 != NULL) && (len4 > 0)) {
+				/* Write even(len4) buf contents to data reg */
+				d = (UINT8*)buf4;
+				for ( i = 0; i < (len4 & 0xfffe); i+=2 ) {
+					hfa384x_setreg_noswap(hw, *(UINT16*)(&(d[i])), datareg);
+				}
+				if (len4 & 1) {
+					UINT16 data;
+					UINT8 *b = (UINT8 *) &data;
+					b[0] = d[len4-1];
+					b[1] = 0;
+
+					hfa384x_setreg_noswap(hw, data, datareg);
+				}
+			}
+//			printk(KERN_DEBUG "ctb2 %d id %04x o %d %d %d %d %d\n", bap, id, offset, len1, len2, len3, len4);
+
+		}
+
+#if (WLAN_HOSTIF == WLAN_PCI)
+		udelay(5);
+		/* Release lock */
+		spin_unlock_irqrestore( &(hw->baplock), flags);
+#endif
+
+	}
+
+	if (result)
+		WLAN_LOG_ERROR("copy_to_bap() failed.\n");
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_copy_from_aux
+*
+* Copies a collection of bytes from the controller memory.  The
+* Auxiliary port MUST be enabled prior to calling this function.
+* We _might_ be in a download state.
+*
+* Arguments:
+*	hw		device structure
+*	cardaddr	address in hfa384x data space to read
+*	auxctl		address space select
+*	buf		ptr to destination host buffer
+*	len		length of data to transfer (in bytes)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	buf contains the data copied
+*
+* Call context:
+*	process thread
+*	interrupt
+----------------------------------------------------------------*/
+void
+hfa384x_copy_from_aux(
+	hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len)
+{
+	UINT16		currpage;
+	UINT16		curroffset;
+	UINT		i = 0;
+
+	DBFENTER;
+
+	if ( !(hw->auxen) ) {
+		WLAN_LOG_DEBUG(1,
+			"Attempt to read 0x%04x when aux not enabled\n",
+			cardaddr);
+		return;
+
+	}
+	/* Build appropriate aux page and offset */
+	currpage = HFA384x_AUX_MKPAGE(cardaddr);
+	curroffset = HFA384x_AUX_MKOFF(cardaddr, auxctl);
+	hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE);
+	hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET);
+	udelay(5);	/* beat */
+
+	/* read the data */
+	while ( i < len) {
+		*((UINT16*)(buf+i)) = hfa384x_getreg_noswap(hw, HFA384x_AUXDATA);
+		i+=2;
+		curroffset+=2;
+		if ( (curroffset&HFA384x_ADDR_AUX_OFF_MASK) >
+			HFA384x_ADDR_AUX_OFF_MAX ) {
+			currpage++;
+			curroffset = 0;
+			curroffset = HFA384x_AUX_MKOFF(curroffset, auxctl);
+			hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE);
+			hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET);
+			udelay(5);	/* beat */
+		}
+	}
+	/* Make sure the auxctl bits are clear */
+	hfa384x_setreg(hw, 0, HFA384x_AUXOFFSET);
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_copy_to_aux
+*
+* Copies a collection of bytes to the controller memory.  The
+* Auxiliary port MUST be enabled prior to calling this function.
+* We _might_ be in a download state.
+*
+* Arguments:
+*	hw		device structure
+*	cardaddr	address in hfa384x data space to read
+*	auxctl		address space select
+*	buf		ptr to destination host buffer
+*	len		length of data to transfer (in bytes)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	Controller memory now contains a copy of buf
+*
+* Call context:
+*	process thread
+*	interrupt
+----------------------------------------------------------------*/
+void
+hfa384x_copy_to_aux(
+	hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len)
+{
+	UINT16		currpage;
+	UINT16		curroffset;
+	UINT		i = 0;
+
+	DBFENTER;
+
+	if ( !(hw->auxen) ) {
+		WLAN_LOG_DEBUG(1,
+			"Attempt to read 0x%04x when aux not enabled\n",
+			cardaddr);
+		return;
+
+	}
+	/* Build appropriate aux page and offset */
+	currpage = HFA384x_AUX_MKPAGE(cardaddr);
+	curroffset = HFA384x_AUX_MKOFF(cardaddr, auxctl);
+	hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE);
+	hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET);
+	udelay(5);	/* beat */
+
+	/* write the data */
+	while ( i < len) {
+		hfa384x_setreg_noswap(hw,
+			*((UINT16*)(buf+i)), HFA384x_AUXDATA);
+		i+=2;
+		curroffset+=2;
+		if ( curroffset > HFA384x_ADDR_AUX_OFF_MAX ) {
+			currpage++;
+			curroffset = 0;
+			hfa384x_setreg(hw, currpage, HFA384x_AUXPAGE);
+			hfa384x_setreg(hw, curroffset, HFA384x_AUXOFFSET);
+			udelay(5);	/* beat */
+		}
+	}
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_wait
+*
+* Waits for availability of the Command register, then
+* issues the given command.  Then polls the Evstat register
+* waiting for command completion.  Timeouts shouldn't be
+* possible since we're preventing overlapping commands and all
+* commands should be cleared and acknowledged.
+*
+* Arguments:
+*	wlandev		device structure
+*       cmd             cmd structure.  Includes all arguments and result
+*                       data points.  All in host order.
+*
+* Returns:
+*	0		success
+*	-ETIMEDOUT	timed out waiting for register ready or
+*			command completion
+*	>0		command indicated error, Status and Resp0-2 are
+*			in hw structure.
+*
+* Side effects:
+*
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int hfa384x_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd)
+{
+	int		result = -ETIMEDOUT;
+	UINT16		reg = 0;
+	UINT16          counter;
+
+	DBFENTER;
+
+	hw->cmdflag = 0;
+	hw->cmddata = cmd;
+
+	/* wait for the busy bit to clear */
+	counter = 0;
+	reg = hfa384x_getreg(hw, HFA384x_CMD);
+	while ( HFA384x_CMD_ISBUSY(reg) &&
+		(counter < 10)) {
+		reg = hfa384x_getreg(hw, HFA384x_CMD);
+		counter++;
+		udelay(10);
+	}
+
+	if (HFA384x_CMD_ISBUSY(reg)) {
+		WLAN_LOG_ERROR("hfa384x_cmd timeout(1), reg=0x%0hx.\n", reg);
+		goto failed;
+	}
+	if (!HFA384x_CMD_ISBUSY(reg)) {
+		/* busy bit clear, write command */
+		hfa384x_setreg(hw, cmd->parm0, HFA384x_PARAM0);
+		hfa384x_setreg(hw, cmd->parm1, HFA384x_PARAM1);
+		hfa384x_setreg(hw, cmd->parm2, HFA384x_PARAM2);
+		hfa384x_setreg(hw, cmd->cmd, HFA384x_CMD);
+
+#ifdef CMD_IRQ
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0))
+		while (! hw->cmdflag)
+			interruptible_sleep_on(&hw->cmdq);
+#else
+		wait_event_interruptible(hw->cmdq, hw->cmdflag);
+#endif
+		result = HFA384x_STATUS_RESULT_GET(cmd->status);
+#else // CMD_IRQ
+		/* Now wait for completion */
+		counter = 0;
+		reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+		/* Initialization is the problem.  It takes about
+                   100ms. "normal" commands are typically is about
+                   200-400 us (I've never seen less than 200).  Longer
+                   is better so that we're not hammering the bus. */
+		while ( !HFA384x_EVSTAT_ISCMD(reg) &&
+			(counter < 5000)) {
+			reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+			counter++;
+			udelay(200);
+		}
+
+		if ( HFA384x_EVSTAT_ISCMD(reg) ) {
+			result = 0;
+			cmd->result.status = hfa384x_getreg(hw, HFA384x_STATUS);
+			cmd->result.resp0 = hfa384x_getreg(hw, HFA384x_RESP0);
+			cmd->result.resp1 = hfa384x_getreg(hw, HFA384x_RESP1);
+			cmd->result.resp2 = hfa384x_getreg(hw, HFA384x_RESP2);
+			hfa384x_setreg(hw, HFA384x_EVACK_CMD,
+				HFA384x_EVACK);
+			result = HFA384x_STATUS_RESULT_GET(cmd->result.status);
+		} else {
+			WLAN_LOG_ERROR("hfa384x_cmd timeout(2), reg=0x%0hx.\n", reg);
+		}
+#endif  /* CMD_IRQ */
+	}
+
+ failed:
+	hw->cmdflag = 0;
+	hw->cmddata = NULL;
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_dl_docmd_wait
+*
+* Waits for availability of the Command register, then
+* issues the given command.  Then polls the Evstat register
+* waiting for command completion.  Timeouts shouldn't be
+* possible since we're preventing overlapping commands and all
+* commands should be cleared and acknowledged.
+*
+* This routine is only used for downloads.  Since it doesn't lock out
+* interrupts the system response is much better.
+*
+* Arguments:
+*	wlandev		device structure
+*       cmd             cmd structure.  Includes all arguments and result
+*                       data points.  All in host order.
+*
+* Returns:
+*	0		success
+*	-ETIMEDOUT	timed out waiting for register ready or
+*			command completion
+*	>0		command indicated error, Status and Resp0-2 are
+*			in hw structure.
+*
+* Side effects:
+*
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int hfa384x_dl_docmd_wait( hfa384x_t *hw, hfa384x_metacmd_t *cmd)
+{
+	int		result = -ETIMEDOUT;
+	unsigned long	timeout;
+	UINT16		reg = 0;
+
+	DBFENTER;
+	/* wait for the busy bit to clear */
+	timeout = jiffies + 1*HZ;
+	reg = hfa384x_getreg(hw, HFA384x_CMD);
+	while ( HFA384x_CMD_ISBUSY(reg) && time_before( jiffies, timeout) ) {
+		reg = hfa384x_getreg(hw, HFA384x_CMD);
+		udelay(10);
+	}
+	if (HFA384x_CMD_ISBUSY(reg)) {
+		WLAN_LOG_WARNING("Timed out waiting for cmd register.\n");
+		goto failed;
+	}
+
+	if (!HFA384x_CMD_ISBUSY(reg)) {
+		/* busy bit clear, write command */
+		hfa384x_setreg(hw, cmd->parm0, HFA384x_PARAM0);
+		hfa384x_setreg(hw, cmd->parm1, HFA384x_PARAM1);
+		hfa384x_setreg(hw, cmd->parm2, HFA384x_PARAM2);
+		hfa384x_setreg(hw, cmd->cmd, HFA384x_CMD);
+
+		/* Now wait for completion */
+		if ( (HFA384x_CMD_CMDCODE_GET(cmd->cmd) == HFA384x_CMDCODE_DOWNLD) ) {
+			/* dltimeout is in ms */
+			timeout = (((UINT32)hw->dltimeout) / 1000UL) * HZ;
+			if ( timeout > 0 ) {
+				timeout += jiffies;
+			} else {
+				timeout = jiffies + 1*HZ;
+			}
+		} else {
+			timeout = jiffies + 1*HZ;
+		}
+		reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+		while ( !HFA384x_EVSTAT_ISCMD(reg) && time_before(jiffies,timeout) ) {
+			udelay(100);
+			reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+		}
+		if ( HFA384x_EVSTAT_ISCMD(reg) ) {
+			result = 0;
+			cmd->result.status = hfa384x_getreg(hw, HFA384x_STATUS);
+			cmd->result.resp0 = hfa384x_getreg(hw, HFA384x_RESP0);
+			cmd->result.resp1 = hfa384x_getreg(hw, HFA384x_RESP1);
+			cmd->result.resp2 = hfa384x_getreg(hw, HFA384x_RESP2);
+			hfa384x_setreg(hw, HFA384x_EVACK_CMD, HFA384x_EVACK);
+			result = HFA384x_STATUS_RESULT_GET(cmd->result.status);
+		}
+	}
+
+failed:
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_start
+*
+* Issues the MAC initialize command, sets up some data structures,
+* and enables the interrupts.  After this function completes, the
+* low-level stuff should be ready for any/all commands.
+*
+* Arguments:
+*	hw		device structure
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_start(hfa384x_t *hw)
+{
+	int	result = 0;
+	UINT16			reg;
+	int			i;
+	int			j;
+	DBFENTER;
+
+	/* call initialize */
+	result = hfa384x_cmd_initialize(hw);
+	if (result != 0) {
+		WLAN_LOG_ERROR("Initialize command failed.\n");
+		goto failed;
+	}
+
+	/* make sure interrupts are disabled and any layabout events cleared */
+	hfa384x_setreg(hw, 0, HFA384x_INTEN);
+	hfa384x_setreg(hw, 0xffff, HFA384x_EVACK);
+
+        hw->txfid_head = 0;
+        hw->txfid_tail = 0;
+        hw->txfid_N = HFA384x_DRVR_FIDSTACKLEN_MAX;
+        memset(hw->txfid_queue, 0, sizeof(hw->txfid_queue));
+
+	/* Allocate tx and notify FIDs */
+	/* First, tx */
+	for ( i = 0; i < HFA384x_DRVR_FIDSTACKLEN_MAX-1; i++) {
+		result = hfa384x_cmd_allocate(hw, HFA384x_DRVR_TXBUF_MAX);
+		if (result != 0) {
+			WLAN_LOG_ERROR("Allocate(tx) command failed.\n");
+			goto failed;
+		}
+		j = 0;
+		do {
+			reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+			udelay(10);
+			j++;
+		} while ( !HFA384x_EVSTAT_ISALLOC(reg) && j < 50); /* 50 is timeout */
+		if ( j >= 50 ) {
+			WLAN_LOG_ERROR("Timed out waiting for evalloc(tx).\n");
+			result = -ETIMEDOUT;
+			goto failed;
+		}
+		reg = hfa384x_getreg(hw, HFA384x_ALLOCFID);
+
+		txfid_queue_add(hw, reg);
+
+		WLAN_LOG_DEBUG(4,"hw->txfid_queue[%d]=0x%04x\n",i,reg);
+
+		reg = HFA384x_EVACK_ALLOC_SET(1);
+		hfa384x_setreg(hw, reg, HFA384x_EVACK);
+
+	}
+
+	/* Now, the info frame fid */
+	result = hfa384x_cmd_allocate(hw, HFA384x_INFOFRM_MAXLEN);
+	if (result != 0) {
+		WLAN_LOG_ERROR("Allocate(tx) command failed.\n");
+		goto failed;
+	}
+	i = 0;
+	do {
+		reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+		udelay(10);
+		i++;
+	} while ( !HFA384x_EVSTAT_ISALLOC(reg) && i < 50); /* 50 is timeout */
+	if ( i >= 50 ) {
+		WLAN_LOG_ERROR("Timed out waiting for evalloc(info).\n");
+		result = -ETIMEDOUT;
+		goto failed;
+	}
+	hw->infofid = hfa384x_getreg(hw, HFA384x_ALLOCFID);
+	reg = HFA384x_EVACK_ALLOC_SET(1);
+	hfa384x_setreg(hw, reg, HFA384x_EVACK);
+	WLAN_LOG_DEBUG(4,"hw->infofid=0x%04x\n", hw->infofid);
+
+	/* Set swsupport regs to magic # for card presence detection */
+	hfa384x_setreg(hw, HFA384x_DRVR_MAGIC, HFA384x_SWSUPPORT0);
+
+	/* Now enable the interrupts and set the running state */
+	hfa384x_setreg(hw, 0xffff, HFA384x_EVSTAT);
+	hfa384x_events_all(hw);
+
+	hw->state = HFA384x_STATE_RUNNING;
+
+	goto done;
+failed:
+	WLAN_LOG_ERROR("Failed, result=%d\n", result);
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_stop
+*
+* Issues the initialize command to leave us in the 'reset' state.
+*
+* Arguments:
+*	hw		device structure
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_stop(hfa384x_t *hw)
+{
+	int	result = 0;
+	int i;
+	DBFENTER;
+
+	del_timer_sync(&hw->commsqual_timer);
+
+	if ( hw->wlandev->hwremoved ) {
+		/* only flush when we're shutting down for good */
+		flush_scheduled_work();
+	}
+
+	if (hw->state == HFA384x_STATE_RUNNING) {
+		/*
+		 * Send the MAC initialize cmd.
+		 */
+		hfa384x_cmd_initialize(hw);
+
+		/*
+		 * Make absolutely sure interrupts are disabled and any
+		 * layabout events cleared
+		 */
+		hfa384x_setreg(hw, 0, HFA384x_INTEN);
+		hfa384x_setreg(hw, 0xffff, HFA384x_EVACK);
+	}
+
+	tasklet_kill(&hw->bap_tasklet);
+
+	hw->link_status = HFA384x_LINK_NOTCONNECTED;
+	hw->state = HFA384x_STATE_INIT;
+
+	/* Clear all the port status */
+	for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) {
+		hw->port_enabled[i] = 0;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_txframe
+*
+* Takes a frame from prism2sta and queues it for transmission.
+*
+* Arguments:
+*	hw		device structure
+*	skb		packet buffer struct.  Contains an 802.11
+*			data frame.
+*       p80211_hdr      points to the 802.11 header for the packet.
+* Returns:
+*	0		Success and more buffs available
+*	1		Success but no more buffs
+*	2		Allocation failure
+*	3		MAC Tx command failed
+*	4		Buffer full or queue busy
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+int hfa384x_drvr_txframe(hfa384x_t *hw, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep)
+{
+	hfa384x_tx_frame_t	txdesc;
+	UINT16			macq = 0;
+	UINT16			fid;
+	int			result;
+
+	DBFENTER;
+
+	/* Build Tx frame structure */
+	/* Set up the control field */
+	memset(&txdesc, 0, sizeof(txdesc));
+
+/* Tx complete and Tx exception disable per dleach.  Might be causing
+ * buf depletion
+ */
+#define DOBOTH 1
+#if DOBOTH
+	txdesc.tx_control =
+		HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) |
+		HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(1);
+#elif DOEXC
+	txdesc.tx_control =
+		HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) |
+		HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(0);
+#else
+	txdesc.tx_control =
+		HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) |
+		HFA384x_TX_TXEX_SET(0) | HFA384x_TX_TXOK_SET(0);
+#endif
+
+	/* if we're using host WEP, increase size by IV+ICV */
+	if (p80211_wep->data) {
+		txdesc.data_len = host2hfa384x_16(skb->len+8);
+		//		txdesc.tx_control |= HFA384x_TX_NOENCRYPT_SET(1);
+	} else {
+		txdesc.data_len =  host2hfa384x_16(skb->len);
+	}
+
+	txdesc.tx_control = host2hfa384x_16(txdesc.tx_control);
+	/* copy the header over to the txdesc */
+	memcpy(&(txdesc.frame_control), p80211_hdr, sizeof(p80211_hdr_t));
+
+	/* Since tbusy is set whenever the stack is empty, there should
+	 * always be something on the stack if we get to this point.
+	 * [MSM]: NOT TRUE!!!!! so I added the test of fid below.
+	 */
+
+	/* Allocate FID */
+
+	fid = txfid_queue_remove(hw);
+
+	if ( fid == 0 ) { /* stack or queue was empty */
+		return 4;
+	}
+
+	/* now let's get the cmdlock */
+	spin_lock(&hw->cmdlock);
+
+	/* Copy descriptor+payload to FID */
+        if (p80211_wep->data) {
+		result = hfa384x_copy_to_bap4(hw, HFA384x_BAP_PROC, fid, 0,
+					      &txdesc, sizeof(txdesc),
+					      p80211_wep->iv, sizeof(p80211_wep->iv),
+					      p80211_wep->data, skb->len,
+					      p80211_wep->icv, sizeof(p80211_wep->icv));
+	} else {
+		result = hfa384x_copy_to_bap4(hw, HFA384x_BAP_PROC, fid, 0,
+					      &txdesc, sizeof(txdesc),
+					      skb->data, skb->len,
+					      NULL, 0, NULL, 0);
+	}
+
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			"copy_to_bap(%04x, %d, %d) failed, result=0x%x\n",
+			fid,
+		 	sizeof(txdesc),
+	 		skb->len,
+			result);
+
+		/* put the fid back in the queue */
+		txfid_queue_add(hw, fid);
+
+		result = 3;
+		goto failed;
+	}
+
+	/* Issue Tx command */
+	result = hfa384x_cmd_transmit(hw, HFA384x_TXCMD_RECL, macq, fid);
+
+	if ( result != 0 ) {
+		txfid_queue_add(hw, fid);
+
+		WLAN_LOG_DEBUG(1,"cmd_tx(%04x) failed, result=%d\n",
+			fid, result);
+		result = 3;
+		goto failed;
+	}
+
+	/* indicate we haven't any buffers, int_alloc will clear */
+	result = txfid_queue_empty(hw);
+failed:
+
+	spin_unlock(&hw->cmdlock);
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_interrupt
+*
+* Driver interrupt handler.
+*
+* Arguments:
+*	irq		irq number
+*	dev_id		pointer to the device
+*	regs		registers
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	May result in a frame being passed up the stack or an info
+*	frame being handled.
+*
+* Call context:
+*	Ummm, could it be interrupt?
+----------------------------------------------------------------*/
+irqreturn_t hfa384x_interrupt(int irq, void *dev_id PT_REGS)
+{
+	int			reg;
+	wlandevice_t		*wlandev = (wlandevice_t*)dev_id;
+	hfa384x_t		*hw = wlandev->priv;
+	int			ev_read = 0;
+	DBFENTER;
+
+	if (!wlandev || wlandev->hwremoved)
+		return IRQ_NONE;  /* Not much we can do w/o hardware */
+#if (WLAN_HOSTIF == WLAN_PCMCIA)
+	if (hw->iobase == 0)  /* XXX FIXME Properly */
+		return IRQ_NONE;
+#endif
+
+	for (;;ev_read++) {
+		if (ev_read >= prism2_irq_evread_max)
+			break;
+
+		/* Check swsupport reg magic # for card presence */
+		reg = hfa384x_getreg(hw, HFA384x_SWSUPPORT0);
+		if ( reg != HFA384x_DRVR_MAGIC) {
+			WLAN_LOG_DEBUG(2, "irq=%d, no magic.  Card removed?.\n", irq);
+			break;
+		}
+
+		/* read the EvStat register for interrupt enabled events */
+		reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+
+		/* AND with the enabled interrupts */
+		reg &= hfa384x_getreg(hw, HFA384x_INTEN);
+
+		/* Handle the events */
+		if ( HFA384x_EVSTAT_ISWTERR(reg) ){
+			WLAN_LOG_ERROR(
+			"Error: WTERR interrupt received (unhandled).\n");
+			hfa384x_setreg(hw, HFA384x_EVACK_WTERR_SET(1),
+				HFA384x_EVACK);
+		}
+
+		if ( HFA384x_EVSTAT_ISINFDROP(reg) ){
+			hfa384x_int_infdrop(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_INFDROP_SET(1),
+				HFA384x_EVACK);
+		}
+
+		if (HFA384x_EVSTAT_ISBAP_OP(reg)) {
+			/* Disable the BAP interrupts */
+			hfa384x_events_nobap(hw);
+			tasklet_schedule(&hw->bap_tasklet);
+		}
+
+		if ( HFA384x_EVSTAT_ISALLOC(reg) ){
+			hfa384x_int_alloc(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_ALLOC_SET(1),
+				HFA384x_EVACK);
+		}
+
+		if ( HFA384x_EVSTAT_ISDTIM(reg) ){
+			hfa384x_int_dtim(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_DTIM_SET(1),
+				HFA384x_EVACK);
+		}
+#ifdef CMD_IRQ
+		if ( HFA384x_EVSTAT_ISCMD(reg) ){
+			hfa384x_int_cmd(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_CMD_SET(1),
+				       HFA384x_EVACK);
+		}
+#endif
+
+		/* allow the evstat to be updated after the evack */
+		udelay(20);
+	}
+
+	DBFEXIT;
+	return IRQ_HANDLED;
+}
+
+#ifdef CMD_IRQ
+/*----------------------------------------------------------------
+* hfa384x_int_cmd
+*
+* Handles command completion event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void hfa384x_int_cmd(wlandevice_t *wlandev)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	DBFENTER;
+
+	// check to make sure it's the right command?
+	if (hw->cmddata) {
+		hw->cmddata->status = hfa384x_getreg(hw, HFA384x_STATUS);
+		hw->cmddata->resp0 = hfa384x_getreg(hw, HFA384x_RESP0);
+		hw->cmddata->resp1 = hfa384x_getreg(hw, HFA384x_RESP1);
+		hw->cmddata->resp2 = hfa384x_getreg(hw, HFA384x_RESP2);
+	}
+	hw->cmdflag = 1;
+
+	printk(KERN_INFO "um. int_cmd\n");
+
+	wake_up_interruptible(&hw->cmdq);
+
+	// XXXX perform a bap copy too?
+
+	DBFEXIT;
+	return;
+}
+#endif
+
+/*----------------------------------------------------------------
+* hfa384x_int_dtim
+*
+* Handles the DTIM early warning event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_int_dtim(wlandevice_t *wlandev)
+{
+#if 0
+	hfa384x_t		*hw = wlandev->priv;
+#endif
+	DBFENTER;
+	prism2sta_ev_dtim(wlandev);
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_int_infdrop
+*
+* Handles the InfDrop event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_int_infdrop(wlandevice_t *wlandev)
+{
+#if 0
+	hfa384x_t		*hw = wlandev->priv;
+#endif
+	DBFENTER;
+	prism2sta_ev_infdrop(wlandev);
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_int_info
+*
+* Handles the Info event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	tasklet
+----------------------------------------------------------------*/
+static void hfa384x_int_info(wlandevice_t *wlandev)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	UINT16			reg;
+	hfa384x_InfFrame_t	inf;
+	int			result;
+	DBFENTER;
+	/* Retrieve the FID */
+	reg = hfa384x_getreg(hw, HFA384x_INFOFID);
+
+	/* Retrieve the length */
+	result = hfa384x_copy_from_bap( hw,
+		HFA384x_BAP_INT, reg, 0, &inf.framelen, sizeof(UINT16));
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			"copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n",
+			reg, sizeof(inf), result);
+		goto failed;
+	}
+	inf.framelen = hfa384x2host_16(inf.framelen);
+
+	/* Retrieve the rest */
+	result = hfa384x_copy_from_bap( hw,
+		HFA384x_BAP_INT, reg, sizeof(UINT16),
+		&(inf.infotype), inf.framelen * sizeof(UINT16));
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			"copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n",
+			reg, sizeof(inf), result);
+		goto failed;
+	}
+
+	prism2sta_ev_info(wlandev, &inf);
+failed:
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_int_txexc
+*
+* Handles the TxExc event.  A Transmit Exception event indicates
+* that the MAC's TX process was unsuccessful - so the packet did
+* not get transmitted.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	tasklet
+----------------------------------------------------------------*/
+static void hfa384x_int_txexc(wlandevice_t *wlandev)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	UINT16			status;
+	UINT16			fid;
+	int			result = 0;
+	DBFENTER;
+	/* Collect the status and display */
+	fid = hfa384x_getreg(hw, HFA384x_TXCOMPLFID);
+	result = hfa384x_copy_from_bap(hw, HFA384x_BAP_INT, fid, 0, &status, sizeof(status));
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			"copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n",
+			fid, sizeof(status), result);
+		goto failed;
+	}
+	status = hfa384x2host_16(status);
+	prism2sta_ev_txexc(wlandev, status);
+failed:
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_int_tx
+*
+* Handles the Tx event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	tasklet
+----------------------------------------------------------------*/
+static void hfa384x_int_tx(wlandevice_t *wlandev)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	UINT16			fid;
+	UINT16			status;
+	int			result = 0;
+	DBFENTER;
+	fid = hfa384x_getreg(hw, HFA384x_TXCOMPLFID);
+	result = hfa384x_copy_from_bap(hw, HFA384x_BAP_INT, fid, 0, &status, sizeof(status));
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			"copy_from_bap(0x%04x, 0, %d) failed, result=0x%x\n",
+			fid, sizeof(status), result);
+		goto failed;
+	}
+	status = hfa384x2host_16(status);
+	prism2sta_ev_tx(wlandev, status);
+failed:
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_int_rx
+*
+* Handles the Rx event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	tasklet
+----------------------------------------------------------------*/
+static void hfa384x_int_rx(wlandevice_t *wlandev)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	UINT16			rxfid;
+	hfa384x_rx_frame_t	rxdesc;
+	int			result;
+	int                     hdrlen;
+	UINT16                  fc;
+	p80211_rxmeta_t	*rxmeta;
+	struct sk_buff          *skb = NULL;
+	UINT8 *datap;
+
+	DBFENTER;
+
+	/* Get the FID */
+	rxfid = hfa384x_getreg(hw, HFA384x_RXFID);
+	/* Get the descriptor (including headers) */
+	result = hfa384x_copy_from_bap(hw,
+			HFA384x_BAP_INT,
+			rxfid,
+			0,
+			&rxdesc,
+			sizeof(rxdesc));
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			"copy_from_bap(0x%04x, %d, %d) failed, result=0x%x\n",
+			rxfid,
+			0,
+			sizeof(rxdesc),
+			result);
+		goto done;
+	}
+
+	/* Byte order convert once up front. */
+	rxdesc.status =	hfa384x2host_16(rxdesc.status);
+	rxdesc.time =	hfa384x2host_32(rxdesc.time);
+
+	/* drop errors and whatnot in promisc mode */
+	if (( wlandev->netdev->flags & IFF_PROMISC ) &&
+	    (HFA384x_RXSTATUS_ISFCSERR(rxdesc.status) ||
+	     HFA384x_RXSTATUS_ISUNDECR(rxdesc.status)))
+	  goto done;
+
+	/* Now handle frame based on port# */
+	switch( HFA384x_RXSTATUS_MACPORT_GET(rxdesc.status) )
+	{
+	case 0:
+
+		fc = ieee2host16(rxdesc.frame_control);
+
+		/* If exclude and we receive an unencrypted, drop it */
+		if ( (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED) &&
+		     !WLAN_GET_FC_ISWEP(fc)) {
+			goto done;
+		}
+
+		hdrlen = p80211_headerlen(fc);
+
+		/* Allocate the buffer, note CRC (aka FCS). pballoc */
+		/* assumes there needs to be space for one */
+		skb = dev_alloc_skb(hfa384x2host_16(rxdesc.data_len) + hdrlen + WLAN_CRC_LEN + 2); /* a little extra */
+
+		if ( ! skb ) {
+			WLAN_LOG_ERROR("alloc_skb failed.\n");
+			goto done;
+                }
+
+		skb->dev = wlandev->netdev;
+
+		/* theoretically align the IP header on a 32-bit word. */
+		if ( hdrlen == WLAN_HDR_A4_LEN )
+			skb_reserve(skb, 2);
+
+		/* Copy the 802.11 hdr to the buffer */
+		datap = skb_put(skb, WLAN_HDR_A3_LEN);
+		memcpy(datap, &rxdesc.frame_control, WLAN_HDR_A3_LEN);
+
+		/* Snag the A4 address if present */
+		if (hdrlen == WLAN_HDR_A4_LEN) {
+			datap = skb_put(skb, WLAN_ADDR_LEN);
+			memcpy(datap, &rxdesc.address4, WLAN_HDR_A3_LEN);
+		}
+
+		/* we can convert the data_len as we passed the original on */
+		rxdesc.data_len = hfa384x2host_16(rxdesc.data_len);
+
+		/* Copy the payload data to the buffer */
+		if ( rxdesc.data_len > 0 ) {
+			datap = skb_put(skb, rxdesc.data_len);
+			result = hfa384x_copy_from_bap(hw,
+				HFA384x_BAP_INT, rxfid, HFA384x_RX_DATA_OFF,
+				datap, rxdesc.data_len);
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,
+					"copy_from_bap(0x%04x, %d, %d) failed, result=0x%x\n",
+					rxfid,
+					HFA384x_RX_DATA_OFF,
+					rxdesc.data_len,
+					result);
+				goto failed;
+			}
+		}
+		/* the prism2 cards don't return the FCS */
+		datap = skb_put(skb, WLAN_CRC_LEN);
+		memset (datap, 0xff, WLAN_CRC_LEN);
+		skb_reset_mac_header(skb);
+
+		/* Attach the rxmeta, set some stuff */
+		p80211skb_rxmeta_attach(wlandev, skb);
+		rxmeta = P80211SKB_RXMETA(skb);
+		rxmeta->mactime = rxdesc.time;
+		rxmeta->rxrate = rxdesc.rate;
+		rxmeta->signal = rxdesc.signal - hw->dbmadjust;
+		rxmeta->noise = rxdesc.silence - hw->dbmadjust;
+
+		prism2sta_ev_rx(wlandev, skb);
+		goto done;
+	case 7:
+
+        	if ( ! HFA384x_RXSTATUS_ISFCSERR(rxdesc.status) ) {
+                        hfa384x_int_rxmonitor( wlandev, rxfid, &rxdesc);
+                } else {
+                        WLAN_LOG_DEBUG(3,"Received monitor frame: FCSerr set\n");
+                }
+		goto done;
+
+	default:
+
+		WLAN_LOG_WARNING("Received frame on unsupported port=%d\n",
+			HFA384x_RXSTATUS_MACPORT_GET(rxdesc.status) );
+		goto done;
+	}
+
+ failed:
+	dev_kfree_skb(skb);
+
+ done:
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_int_rxmonitor
+*
+* Helper function for int_rx.  Handles monitor frames.
+* Note that this function allocates space for the FCS and sets it
+* to 0xffffffff.  The hfa384x doesn't give us the FCS value but the
+* higher layers expect it.  0xffffffff is used as a flag to indicate
+* the FCS is bogus.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	rxfid		received FID
+*	rxdesc		rx descriptor read from card in int_rx
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	Allocates an skb and passes it up via the PF_PACKET interface.
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_int_rxmonitor( wlandevice_t *wlandev, UINT16 rxfid,
+				   hfa384x_rx_frame_t *rxdesc)
+{
+	hfa384x_t			*hw = wlandev->priv;
+	UINT				hdrlen = 0;
+	UINT				datalen = 0;
+	UINT				skblen = 0;
+	UINT				truncated = 0;
+	UINT8				*datap;
+	UINT16				fc;
+	struct sk_buff			*skb;
+
+	DBFENTER;
+	/* Don't forget the status, time, and data_len fields are in host order */
+	/* Figure out how big the frame is */
+	fc = ieee2host16(rxdesc->frame_control);
+	hdrlen = p80211_headerlen(fc);
+	datalen = hfa384x2host_16(rxdesc->data_len);
+
+	/* Allocate an ind message+framesize skb */
+	skblen = sizeof(p80211msg_lnxind_wlansniffrm_t) +
+		hdrlen + datalen + WLAN_CRC_LEN;
+
+	/* sanity check the length */
+	if ( skblen >
+		(sizeof(p80211msg_lnxind_wlansniffrm_t) +
+		WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN) ) {
+		WLAN_LOG_DEBUG(1, "overlen frm: len=%d\n",
+			skblen - sizeof(p80211msg_lnxind_wlansniffrm_t));
+	}
+
+	if ( (skb = dev_alloc_skb(skblen)) == NULL ) {
+		WLAN_LOG_ERROR("alloc_skb failed trying to allocate %d bytes\n", skblen);
+		return;
+	}
+
+	/* only prepend the prism header if in the right mode */
+	if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) &&
+	    (hw->sniffhdr == 0)) {
+		p80211msg_lnxind_wlansniffrm_t	*msg;
+		datap = skb_put(skb, sizeof(p80211msg_lnxind_wlansniffrm_t));
+		msg = (p80211msg_lnxind_wlansniffrm_t*) datap;
+
+		/* Initialize the message members */
+		msg->msgcode = DIDmsg_lnxind_wlansniffrm;
+		msg->msglen = sizeof(p80211msg_lnxind_wlansniffrm_t);
+		strcpy(msg->devname, wlandev->name);
+
+		msg->hosttime.did = DIDmsg_lnxind_wlansniffrm_hosttime;
+		msg->hosttime.status = 0;
+		msg->hosttime.len = 4;
+		msg->hosttime.data = jiffies;
+
+		msg->mactime.did = DIDmsg_lnxind_wlansniffrm_mactime;
+		msg->mactime.status = 0;
+		msg->mactime.len = 4;
+		msg->mactime.data = rxdesc->time * 1000;
+
+		msg->channel.did = DIDmsg_lnxind_wlansniffrm_channel;
+		msg->channel.status = 0;
+		msg->channel.len = 4;
+		msg->channel.data = hw->sniff_channel;
+
+		msg->rssi.did = DIDmsg_lnxind_wlansniffrm_rssi;
+		msg->rssi.status = P80211ENUM_msgitem_status_no_value;
+		msg->rssi.len = 4;
+		msg->rssi.data = 0;
+
+		msg->sq.did = DIDmsg_lnxind_wlansniffrm_sq;
+		msg->sq.status = P80211ENUM_msgitem_status_no_value;
+		msg->sq.len = 4;
+		msg->sq.data = 0;
+
+		msg->signal.did = DIDmsg_lnxind_wlansniffrm_signal;
+		msg->signal.status = 0;
+		msg->signal.len = 4;
+		msg->signal.data = rxdesc->signal;
+
+		msg->noise.did = DIDmsg_lnxind_wlansniffrm_noise;
+		msg->noise.status = 0;
+		msg->noise.len = 4;
+		msg->noise.data = rxdesc->silence;
+
+		msg->rate.did = DIDmsg_lnxind_wlansniffrm_rate;
+		msg->rate.status = 0;
+		msg->rate.len = 4;
+		msg->rate.data = rxdesc->rate / 5; /* set to 802.11 units */
+
+		msg->istx.did = DIDmsg_lnxind_wlansniffrm_istx;
+		msg->istx.status = 0;
+		msg->istx.len = 4;
+		msg->istx.data = P80211ENUM_truth_false;
+
+		msg->frmlen.did = DIDmsg_lnxind_wlansniffrm_frmlen;
+		msg->frmlen.status = 0;
+		msg->frmlen.len = 4;
+		msg->frmlen.data = hdrlen + datalen + WLAN_CRC_LEN;
+	} else if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) &&
+		   (hw->sniffhdr != 0)) {
+		p80211_caphdr_t		*caphdr;
+		/* The NEW header format! */
+		datap = skb_put(skb, sizeof(p80211_caphdr_t));
+		caphdr = (p80211_caphdr_t*) datap;
+
+		caphdr->version =	htonl(P80211CAPTURE_VERSION);
+		caphdr->length =	htonl(sizeof(p80211_caphdr_t));
+		caphdr->mactime =	__cpu_to_be64(rxdesc->time);
+		caphdr->hosttime =	__cpu_to_be64(jiffies);
+		caphdr->phytype =	htonl(4); /* dss_dot11_b */
+		caphdr->channel =	htonl(hw->sniff_channel);
+		caphdr->datarate =	htonl(rxdesc->rate);
+		caphdr->antenna =	htonl(0); /* unknown */
+		caphdr->priority =	htonl(0); /* unknown */
+		caphdr->ssi_type =	htonl(3); /* rssi_raw */
+		caphdr->ssi_signal =	htonl(rxdesc->signal);
+		caphdr->ssi_noise =	htonl(rxdesc->silence);
+		caphdr->preamble =	htonl(0); /* unknown */
+		caphdr->encoding =	htonl(1); /* cck */
+	}
+	/* Copy the 802.11 header to the skb (ctl frames may be less than a full header) */
+	datap = skb_put(skb, hdrlen);
+	memcpy( datap, &(rxdesc->frame_control), hdrlen);
+
+	/* If any, copy the data from the card to the skb */
+	if ( datalen > 0 )
+	{
+		/* Truncate the packet if the user wants us to */
+		UINT	dataread = datalen;
+		if(hw->sniff_truncate > 0 && dataread > hw->sniff_truncate) {
+			dataread = hw->sniff_truncate;
+			truncated = 1;
+		}
+
+		datap = skb_put(skb, dataread);
+		hfa384x_copy_from_bap(hw,
+			HFA384x_BAP_INT, rxfid, HFA384x_RX_DATA_OFF,
+			datap, dataread);
+
+		/* check for unencrypted stuff if WEP bit set. */
+		if (*(datap - hdrlen + 1) & 0x40) // wep set
+		  if ((*(datap) == 0xaa) && (*(datap+1) == 0xaa))
+		    *(datap - hdrlen + 1) &= 0xbf; // clear wep; it's the 802.2 header!
+	}
+
+	if (!truncated && hw->sniff_fcs) {
+		/* Set the FCS */
+		datap = skb_put(skb, WLAN_CRC_LEN);
+		memset( datap, 0xff, WLAN_CRC_LEN);
+	}
+
+	/* pass it back up */
+	prism2sta_ev_rx(wlandev, skb);
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_int_alloc
+*
+* Handles the Alloc event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_int_alloc(wlandevice_t *wlandev)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	UINT16			fid;
+	INT16			result;
+
+	DBFENTER;
+
+	/* Handle the reclaimed FID */
+	/*   collect the FID and push it onto the stack */
+	fid = hfa384x_getreg(hw, HFA384x_ALLOCFID);
+
+	if ( fid != hw->infofid ) { /* It's a transmit fid */
+		WLAN_LOG_DEBUG(5, "int_alloc(%#x)\n", fid);
+		result = txfid_queue_add(hw, fid);
+		if (result != -1) {
+			prism2sta_ev_alloc(wlandev);
+			WLAN_LOG_DEBUG(5, "q_add.\n");
+		} else {
+			WLAN_LOG_DEBUG(5, "q_full.\n");
+		}
+	} else {
+		/* unlock the info fid */
+		up(&hw->infofid_sem);
+	}
+
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_handover
+*
+* Sends a handover notification to the MAC.
+*
+* Arguments:
+*	hw		device structure
+*	addr		address of station that's left
+*
+* Returns:
+*	zero		success.
+*	-ERESTARTSYS	received signal while waiting for semaphore.
+*	-EIO		failed to write to bap, or failed in cmd.
+*
+* Side effects:
+*
+* Call context:
+*	process thread, NOTE: this call may block on a semaphore!
+----------------------------------------------------------------*/
+int hfa384x_drvr_handover( hfa384x_t *hw, UINT8 *addr)
+{
+	int			result = 0;
+        hfa384x_HandoverAddr_t  rec;
+        UINT                    len;
+        DBFENTER;
+
+	/* Acquire the infofid */
+	if ( down_interruptible(&hw->infofid_sem) ) {
+		result = -ERESTARTSYS;
+		goto failed;
+	}
+
+        /* Set up the record */
+        len = sizeof(hfa384x_HandoverAddr_t);
+        rec.framelen = host2hfa384x_16(len/2 - 1);
+        rec.infotype = host2hfa384x_16(HFA384x_IT_HANDOVERADDR);
+        memcpy(rec.handover_addr, addr, sizeof(rec.handover_addr));
+
+        /* Issue the command */
+        result = hfa384x_cmd_notify(hw, 1, hw->infofid, &rec, len);
+
+        if ( result != 0 ) {
+                WLAN_LOG_DEBUG(1,"cmd_notify(%04x) failed, result=%d",
+                        hw->infofid, result);
+		result = -EIO;
+                goto failed;
+        }
+
+failed:
+	DBFEXIT;
+	return result;
+}
+
+void hfa384x_tx_timeout(wlandevice_t *wlandev)
+{
+	DBFENTER;
+
+	WLAN_LOG_WARNING("Implement me.\n");
+
+	DBFEXIT;
+}
+
+/* Handles all "rx" BAP operations */
+static void     hfa384x_bap_tasklet(unsigned long data)
+{
+	hfa384x_t *hw = (hfa384x_t *) data;
+	wlandevice_t *wlandev = hw->wlandev;
+	int counter = prism2_irq_evread_max;
+	int			reg;
+
+	DBFENTER;
+
+	while (counter-- > 0) {
+		/* Get interrupt register */
+		reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
+
+		if ((reg == 0xffff) ||
+		    !(reg & HFA384x_INT_BAP_OP)) {
+			break;
+		}
+
+		if ( HFA384x_EVSTAT_ISINFO(reg) ){
+			hfa384x_int_info(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_INFO_SET(1),
+				HFA384x_EVACK);
+		}
+		if ( HFA384x_EVSTAT_ISTXEXC(reg) ){
+			hfa384x_int_txexc(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_TXEXC_SET(1),
+				HFA384x_EVACK);
+		}
+		if ( HFA384x_EVSTAT_ISTX(reg) ){
+			hfa384x_int_tx(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_TX_SET(1),
+				HFA384x_EVACK);
+		}
+		if ( HFA384x_EVSTAT_ISRX(reg) ){
+			hfa384x_int_rx(wlandev);
+			hfa384x_setreg(hw, HFA384x_EVACK_RX_SET(1),
+				HFA384x_EVACK);
+		}
+	}
+
+	/* re-enable interrupts */
+	hfa384x_events_all(hw);
+
+	DBFEXIT;
+}
diff --git a/drivers/staging/wlan-ng/hfa384x.h b/drivers/staging/wlan-ng/hfa384x.h
new file mode 100644
index 00000000000..a2054639d24
--- /dev/null
+++ b/drivers/staging/wlan-ng/hfa384x.h
@@ -0,0 +1,3067 @@
+/* hfa384x.h
+*
+* Defines the constants and data structures for the hfa384x
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+*   [Implementation and usage notes]
+*
+*   [References]
+*	CW10 Programmer's Manual v1.5
+*	IEEE 802.11 D10.0
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _HFA384x_H
+#define _HFA384x_H
+
+/*=============================================================*/
+#define HFA384x_FIRMWARE_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+
+#define HFA384x_LEVEL_TO_dBm(v)   (0x100 + (v) * 100 / 255 - 100)
+
+/*------ Constants --------------------------------------------*/
+/*--- Mins & Maxs -----------------------------------*/
+#define		HFA384x_CMD_ALLOC_LEN_MIN	((UINT16)4)
+#define		HFA384x_CMD_ALLOC_LEN_MAX	((UINT16)2400)
+#define		HFA384x_BAP_DATALEN_MAX		((UINT16)4096)
+#define		HFA384x_BAP_OFFSET_MAX		((UINT16)4096)
+#define		HFA384x_PORTID_MAX		((UINT16)7)
+#define		HFA384x_NUMPORTS_MAX		((UINT16)(HFA384x_PORTID_MAX+1))
+#define		HFA384x_PDR_LEN_MAX		((UINT16)512)	/* in bytes, from EK */
+#define		HFA384x_PDA_RECS_MAX		((UINT16)200)	/* a guess */
+#define		HFA384x_PDA_LEN_MAX		((UINT16)1024)	/* in bytes, from EK */
+#define		HFA384x_SCANRESULT_MAX		((UINT16)31)
+#define		HFA384x_HSCANRESULT_MAX		((UINT16)31)
+#define		HFA384x_CHINFORESULT_MAX	((UINT16)16)
+#define		HFA384x_DRVR_FIDSTACKLEN_MAX	(10)
+#define		HFA384x_DRVR_TXBUF_MAX		(sizeof(hfa384x_tx_frame_t) + \
+						WLAN_DATA_MAXLEN - \
+						WLAN_WEP_IV_LEN - \
+						WLAN_WEP_ICV_LEN + 2)
+#define		HFA384x_DRVR_MAGIC		(0x4a2d)
+#define		HFA384x_INFODATA_MAXLEN		(sizeof(hfa384x_infodata_t))
+#define		HFA384x_INFOFRM_MAXLEN		(sizeof(hfa384x_InfFrame_t))
+#define		HFA384x_RID_GUESSING_MAXLEN	2048  /* I'm not really sure */
+#define		HFA384x_RIDDATA_MAXLEN		HFA384x_RID_GUESSING_MAXLEN
+#define		HFA384x_USB_RWMEM_MAXLEN	2048
+
+/*--- Support Constants -----------------------------*/
+#define		HFA384x_BAP_PROC			((UINT16)0)
+#define		HFA384x_BAP_INT				((UINT16)1)
+#define		HFA384x_PORTTYPE_IBSS			((UINT16)0)
+#define		HFA384x_PORTTYPE_BSS			((UINT16)1)
+#define		HFA384x_PORTTYPE_WDS			((UINT16)2)
+#define		HFA384x_PORTTYPE_PSUEDOIBSS		((UINT16)3)
+#define		HFA384x_PORTTYPE_HOSTAP    		((UINT16)6)
+#define		HFA384x_WEPFLAGS_PRIVINVOKED		((UINT16)BIT0)
+#define		HFA384x_WEPFLAGS_EXCLUDE		((UINT16)BIT1)
+#define		HFA384x_WEPFLAGS_DISABLE_TXCRYPT	((UINT16)BIT4)
+#define		HFA384x_WEPFLAGS_DISABLE_RXCRYPT	((UINT16)BIT7)
+#define		HFA384x_WEPFLAGS_DISALLOW_MIXED 	((UINT16)BIT11)
+#define		HFA384x_WEPFLAGS_IV_INTERVAL1		((UINT16)0)
+#define		HFA384x_WEPFLAGS_IV_INTERVAL10		((UINT16)BIT5)
+#define		HFA384x_WEPFLAGS_IV_INTERVAL50		((UINT16)BIT6)
+#define		HFA384x_WEPFLAGS_IV_INTERVAL100		((UINT16)(BIT5 | BIT6))
+#define		HFA384x_WEPFLAGS_FIRMWARE_WPA  		((UINT16)BIT8)
+#define		HFA384x_WEPFLAGS_HOST_MIC      		((UINT16)BIT9)
+#define 	HFA384x_ROAMMODE_FWSCAN_FWROAM		((UINT16)1)
+#define 	HFA384x_ROAMMODE_FWSCAN_HOSTROAM	((UINT16)2)
+#define 	HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM	((UINT16)3)
+#define 	HFA384x_PORTSTATUS_DISABLED		((UINT16)1)
+#define 	HFA384x_PORTSTATUS_INITSRCH		((UINT16)2)
+#define 	HFA384x_PORTSTATUS_CONN_IBSS		((UINT16)3)
+#define 	HFA384x_PORTSTATUS_CONN_ESS		((UINT16)4)
+#define 	HFA384x_PORTSTATUS_OOR_ESS		((UINT16)5)
+#define 	HFA384x_PORTSTATUS_CONN_WDS		((UINT16)6)
+#define 	HFA384x_PORTSTATUS_HOSTAP		((UINT16)8)
+#define		HFA384x_RATEBIT_1			((UINT16)1)
+#define		HFA384x_RATEBIT_2			((UINT16)2)
+#define		HFA384x_RATEBIT_5dot5			((UINT16)4)
+#define		HFA384x_RATEBIT_11			((UINT16)8)
+
+/*--- Just some symbolic names for legibility -------*/
+#define		HFA384x_TXCMD_NORECL		((UINT16)0)
+#define		HFA384x_TXCMD_RECL		((UINT16)1)
+
+/*--- MAC Internal memory constants and macros ------*/
+/* masks and macros used to manipulate MAC internal memory addresses. */
+/* MAC internal memory addresses are 23 bit quantities.  The MAC uses
+ * a paged address space where the upper 16 bits are the page number
+ * and the lower 7 bits are the offset.  There are various Host API
+ * elements that require two 16-bit quantities to specify a MAC
+ * internal memory address.  Unfortunately, some of the API's use a
+ * page/offset format where the offset value is JUST the lower seven
+ * bits and the page is  the remaining 16 bits.  Some of the API's
+ * assume that the 23 bit address has been split at the 16th bit.  We
+ * refer to these two formats as AUX format and CMD format.  The
+ * macros below help handle some of this.
+ */
+
+/* Handy constant */
+#define		HFA384x_ADDR_AUX_OFF_MAX	((UINT16)0x007f)
+
+/* Mask bits for discarding unwanted pieces in a flat address */
+#define		HFA384x_ADDR_FLAT_AUX_PAGE_MASK	(0x007fff80)
+#define		HFA384x_ADDR_FLAT_AUX_OFF_MASK	(0x0000007f)
+#define		HFA384x_ADDR_FLAT_CMD_PAGE_MASK	(0xffff0000)
+#define		HFA384x_ADDR_FLAT_CMD_OFF_MASK	(0x0000ffff)
+
+/* Mask bits for discarding unwanted pieces in AUX format 16-bit address parts */
+#define		HFA384x_ADDR_AUX_PAGE_MASK	(0xffff)
+#define		HFA384x_ADDR_AUX_OFF_MASK	(0x007f)
+
+/* Mask bits for discarding unwanted pieces in CMD format 16-bit address parts */
+#define		HFA384x_ADDR_CMD_PAGE_MASK	(0x007f)
+#define		HFA384x_ADDR_CMD_OFF_MASK	(0xffff)
+
+/* Make a 32-bit flat address from AUX format 16-bit page and offset */
+#define		HFA384x_ADDR_AUX_MKFLAT(p,o)	\
+		(((UINT32)(((UINT16)(p))&HFA384x_ADDR_AUX_PAGE_MASK)) <<7) | \
+		((UINT32)(((UINT16)(o))&HFA384x_ADDR_AUX_OFF_MASK))
+
+/* Make a 32-bit flat address from CMD format 16-bit page and offset */
+#define		HFA384x_ADDR_CMD_MKFLAT(p,o)	\
+		(((UINT32)(((UINT16)(p))&HFA384x_ADDR_CMD_PAGE_MASK)) <<16) | \
+		((UINT32)(((UINT16)(o))&HFA384x_ADDR_CMD_OFF_MASK))
+
+/* Make AUX format offset and page from a 32-bit flat address */
+#define		HFA384x_ADDR_AUX_MKPAGE(f) \
+		((UINT16)((((UINT32)(f))&HFA384x_ADDR_FLAT_AUX_PAGE_MASK)>>7))
+#define		HFA384x_ADDR_AUX_MKOFF(f) \
+		((UINT16)(((UINT32)(f))&HFA384x_ADDR_FLAT_AUX_OFF_MASK))
+
+/* Make CMD format offset and page from a 32-bit flat address */
+#define		HFA384x_ADDR_CMD_MKPAGE(f) \
+		((UINT16)((((UINT32)(f))&HFA384x_ADDR_FLAT_CMD_PAGE_MASK)>>16))
+#define		HFA384x_ADDR_CMD_MKOFF(f) \
+		((UINT16)(((UINT32)(f))&HFA384x_ADDR_FLAT_CMD_OFF_MASK))
+
+/*--- Aux register masks/tests ----------------------*/
+/* Some of the upper bits of the AUX offset register are used to */
+/*  select address space. */
+#define		HFA384x_AUX_CTL_EXTDS	(0x00)
+#define		HFA384x_AUX_CTL_NV	(0x01)
+#define		HFA384x_AUX_CTL_PHY	(0x02)
+#define		HFA384x_AUX_CTL_ICSRAM	(0x03)
+
+/* Make AUX register offset and page values from a flat address */
+#define		HFA384x_AUX_MKOFF(f, c) \
+	(HFA384x_ADDR_AUX_MKOFF(f) | (((UINT16)(c))<<12))
+#define		HFA384x_AUX_MKPAGE(f)	HFA384x_ADDR_AUX_MKPAGE(f)
+
+
+/*--- Controller Memory addresses -------------------*/
+#define		HFA3842_PDA_BASE	(0x007f0000UL)
+#define		HFA3841_PDA_BASE	(0x003f0000UL)
+#define		HFA3841_PDA_BOGUS_BASE	(0x00390000UL)
+
+/*--- Driver Download states  -----------------------*/
+#define		HFA384x_DLSTATE_DISABLED		0
+#define		HFA384x_DLSTATE_RAMENABLED		1
+#define		HFA384x_DLSTATE_FLASHENABLED		2
+#define		HFA384x_DLSTATE_FLASHWRITTEN		3
+#define		HFA384x_DLSTATE_FLASHWRITEPENDING	4
+#define		HFA384x_DLSTATE_GENESIS 		5
+
+/*--- Register I/O offsets --------------------------*/
+#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX))
+
+#define		HFA384x_CMD_OFF			(0x00)
+#define		HFA384x_PARAM0_OFF		(0x02)
+#define		HFA384x_PARAM1_OFF		(0x04)
+#define		HFA384x_PARAM2_OFF		(0x06)
+#define		HFA384x_STATUS_OFF		(0x08)
+#define		HFA384x_RESP0_OFF		(0x0A)
+#define		HFA384x_RESP1_OFF		(0x0C)
+#define		HFA384x_RESP2_OFF		(0x0E)
+#define		HFA384x_INFOFID_OFF		(0x10)
+#define		HFA384x_RXFID_OFF		(0x20)
+#define		HFA384x_ALLOCFID_OFF		(0x22)
+#define		HFA384x_TXCOMPLFID_OFF		(0x24)
+#define		HFA384x_SELECT0_OFF		(0x18)
+#define		HFA384x_OFFSET0_OFF		(0x1C)
+#define		HFA384x_DATA0_OFF		(0x36)
+#define		HFA384x_SELECT1_OFF		(0x1A)
+#define		HFA384x_OFFSET1_OFF		(0x1E)
+#define		HFA384x_DATA1_OFF		(0x38)
+#define		HFA384x_EVSTAT_OFF		(0x30)
+#define		HFA384x_INTEN_OFF		(0x32)
+#define		HFA384x_EVACK_OFF		(0x34)
+#define		HFA384x_CONTROL_OFF		(0x14)
+#define		HFA384x_SWSUPPORT0_OFF		(0x28)
+#define		HFA384x_SWSUPPORT1_OFF		(0x2A)
+#define		HFA384x_SWSUPPORT2_OFF		(0x2C)
+#define		HFA384x_AUXPAGE_OFF		(0x3A)
+#define		HFA384x_AUXOFFSET_OFF		(0x3C)
+#define		HFA384x_AUXDATA_OFF		(0x3E)
+
+#elif (WLAN_HOSTIF == WLAN_PCI || WLAN_HOSTIF == WLAN_USB)
+
+#define		HFA384x_CMD_OFF			(0x00)
+#define		HFA384x_PARAM0_OFF		(0x04)
+#define		HFA384x_PARAM1_OFF		(0x08)
+#define		HFA384x_PARAM2_OFF		(0x0c)
+#define		HFA384x_STATUS_OFF		(0x10)
+#define		HFA384x_RESP0_OFF		(0x14)
+#define		HFA384x_RESP1_OFF		(0x18)
+#define		HFA384x_RESP2_OFF		(0x1c)
+#define		HFA384x_INFOFID_OFF		(0x20)
+#define		HFA384x_RXFID_OFF		(0x40)
+#define		HFA384x_ALLOCFID_OFF		(0x44)
+#define		HFA384x_TXCOMPLFID_OFF		(0x48)
+#define		HFA384x_SELECT0_OFF		(0x30)
+#define		HFA384x_OFFSET0_OFF		(0x38)
+#define		HFA384x_DATA0_OFF		(0x6c)
+#define		HFA384x_SELECT1_OFF		(0x34)
+#define		HFA384x_OFFSET1_OFF		(0x3c)
+#define		HFA384x_DATA1_OFF		(0x70)
+#define		HFA384x_EVSTAT_OFF		(0x60)
+#define		HFA384x_INTEN_OFF		(0x64)
+#define		HFA384x_EVACK_OFF		(0x68)
+#define		HFA384x_CONTROL_OFF		(0x28)
+#define		HFA384x_SWSUPPORT0_OFF		(0x50)
+#define		HFA384x_SWSUPPORT1_OFF		(0x54)
+#define		HFA384x_SWSUPPORT2_OFF		(0x58)
+#define		HFA384x_AUXPAGE_OFF		(0x74)
+#define		HFA384x_AUXOFFSET_OFF		(0x78)
+#define		HFA384x_AUXDATA_OFF		(0x7c)
+#define		HFA384x_PCICOR_OFF		(0x4c)
+#define		HFA384x_PCIHCR_OFF		(0x5c)
+#define		HFA384x_PCI_M0_ADDRH_OFF	(0x80)
+#define		HFA384x_PCI_M0_ADDRL_OFF	(0x84)
+#define		HFA384x_PCI_M0_LEN_OFF		(0x88)
+#define		HFA384x_PCI_M0_CTL_OFF		(0x8c)
+#define		HFA384x_PCI_STATUS_OFF		(0x98)
+#define		HFA384x_PCI_M1_ADDRH_OFF	(0xa0)
+#define		HFA384x_PCI_M1_ADDRL_OFF	(0xa4)
+#define		HFA384x_PCI_M1_LEN_OFF		(0xa8)
+#define		HFA384x_PCI_M1_CTL_OFF		(0xac)
+
+#endif
+
+/*--- Register Field Masks --------------------------*/
+#define		HFA384x_CMD_BUSY		((UINT16)BIT15)
+#define		HFA384x_CMD_AINFO		((UINT16)(BIT14 | BIT13 | BIT12 | BIT11 | BIT10 | BIT9 | BIT8))
+#define		HFA384x_CMD_MACPORT		((UINT16)(BIT10 | BIT9 | BIT8))
+#define		HFA384x_CMD_RECL		((UINT16)BIT8)
+#define		HFA384x_CMD_WRITE		((UINT16)BIT8)
+#define		HFA384x_CMD_PROGMODE		((UINT16)(BIT9 | BIT8))
+#define		HFA384x_CMD_CMDCODE		((UINT16)(BIT5 | BIT4 | BIT3 | BIT2 | BIT1 | BIT0))
+
+#define		HFA384x_STATUS_RESULT		((UINT16)(BIT14 | BIT13 | BIT12 | BIT11 | BIT10 | BIT9 | BIT8))
+#define		HFA384x_STATUS_CMDCODE		((UINT16)(BIT5 | BIT4 | BIT3 | BIT2 | BIT1 | BIT0))
+
+#define		HFA384x_OFFSET_BUSY		((UINT16)BIT15)
+#define		HFA384x_OFFSET_ERR		((UINT16)BIT14)
+#define		HFA384x_OFFSET_DATAOFF		((UINT16)(BIT11 | BIT10 | BIT9 | BIT8 | BIT7 | BIT6 | BIT5 | BIT4 | BIT3 | BIT2 | BIT1))
+
+#define		HFA384x_EVSTAT_TICK		((UINT16)BIT15)
+#define		HFA384x_EVSTAT_WTERR		((UINT16)BIT14)
+#define		HFA384x_EVSTAT_INFDROP		((UINT16)BIT13)
+#define		HFA384x_EVSTAT_INFO		((UINT16)BIT7)
+#define		HFA384x_EVSTAT_DTIM		((UINT16)BIT5)
+#define		HFA384x_EVSTAT_CMD		((UINT16)BIT4)
+#define		HFA384x_EVSTAT_ALLOC		((UINT16)BIT3)
+#define		HFA384x_EVSTAT_TXEXC		((UINT16)BIT2)
+#define		HFA384x_EVSTAT_TX		((UINT16)BIT1)
+#define		HFA384x_EVSTAT_RX		((UINT16)BIT0)
+
+#define         HFA384x_INT_BAP_OP           (HFA384x_EVSTAT_INFO|HFA384x_EVSTAT_RX|HFA384x_EVSTAT_TX|HFA384x_EVSTAT_TXEXC)
+
+#define         HFA384x_INT_NORMAL           (HFA384x_EVSTAT_INFO|HFA384x_EVSTAT_RX|HFA384x_EVSTAT_TX|HFA384x_EVSTAT_TXEXC|HFA384x_EVSTAT_INFDROP|HFA384x_EVSTAT_ALLOC|HFA384x_EVSTAT_DTIM)
+
+#define		HFA384x_INTEN_TICK		((UINT16)BIT15)
+#define		HFA384x_INTEN_WTERR		((UINT16)BIT14)
+#define		HFA384x_INTEN_INFDROP		((UINT16)BIT13)
+#define		HFA384x_INTEN_INFO		((UINT16)BIT7)
+#define		HFA384x_INTEN_DTIM		((UINT16)BIT5)
+#define		HFA384x_INTEN_CMD		((UINT16)BIT4)
+#define		HFA384x_INTEN_ALLOC		((UINT16)BIT3)
+#define		HFA384x_INTEN_TXEXC		((UINT16)BIT2)
+#define		HFA384x_INTEN_TX		((UINT16)BIT1)
+#define		HFA384x_INTEN_RX		((UINT16)BIT0)
+
+#define		HFA384x_EVACK_TICK		((UINT16)BIT15)
+#define		HFA384x_EVACK_WTERR		((UINT16)BIT14)
+#define		HFA384x_EVACK_INFDROP		((UINT16)BIT13)
+#define		HFA384x_EVACK_INFO		((UINT16)BIT7)
+#define		HFA384x_EVACK_DTIM		((UINT16)BIT5)
+#define		HFA384x_EVACK_CMD		((UINT16)BIT4)
+#define		HFA384x_EVACK_ALLOC		((UINT16)BIT3)
+#define		HFA384x_EVACK_TXEXC		((UINT16)BIT2)
+#define		HFA384x_EVACK_TX		((UINT16)BIT1)
+#define		HFA384x_EVACK_RX		((UINT16)BIT0)
+
+#define		HFA384x_CONTROL_AUXEN		((UINT16)(BIT15 | BIT14))
+
+
+/*--- Command Code Constants --------------------------*/
+/*--- Controller Commands --------------------------*/
+#define		HFA384x_CMDCODE_INIT		((UINT16)0x00)
+#define		HFA384x_CMDCODE_ENABLE		((UINT16)0x01)
+#define		HFA384x_CMDCODE_DISABLE		((UINT16)0x02)
+#define		HFA384x_CMDCODE_DIAG		((UINT16)0x03)
+
+/*--- Buffer Mgmt Commands --------------------------*/
+#define		HFA384x_CMDCODE_ALLOC		((UINT16)0x0A)
+#define		HFA384x_CMDCODE_TX		((UINT16)0x0B)
+#define		HFA384x_CMDCODE_CLRPRST		((UINT16)0x12)
+
+/*--- Regulate Commands --------------------------*/
+#define		HFA384x_CMDCODE_NOTIFY		((UINT16)0x10)
+#define		HFA384x_CMDCODE_INQ		((UINT16)0x11)
+
+/*--- Configure Commands --------------------------*/
+#define		HFA384x_CMDCODE_ACCESS		((UINT16)0x21)
+#define		HFA384x_CMDCODE_DOWNLD		((UINT16)0x22)
+
+/*--- Debugging Commands -----------------------------*/
+#define 	HFA384x_CMDCODE_MONITOR		((UINT16)(0x38))
+#define		HFA384x_MONITOR_ENABLE		((UINT16)(0x0b))
+#define		HFA384x_MONITOR_DISABLE		((UINT16)(0x0f))
+
+/*--- Result Codes --------------------------*/
+#define		HFA384x_SUCCESS			((UINT16)(0x00))
+#define		HFA384x_CARD_FAIL		((UINT16)(0x01))
+#define		HFA384x_NO_BUFF			((UINT16)(0x05))
+#define		HFA384x_CMD_ERR			((UINT16)(0x7F))
+
+/*--- Programming Modes --------------------------
+	MODE 0: Disable programming
+	MODE 1: Enable volatile memory programming
+	MODE 2: Enable non-volatile memory programming
+	MODE 3: Program non-volatile memory section
+--------------------------------------------------*/
+#define		HFA384x_PROGMODE_DISABLE	((UINT16)0x00)
+#define		HFA384x_PROGMODE_RAM		((UINT16)0x01)
+#define		HFA384x_PROGMODE_NV		((UINT16)0x02)
+#define		HFA384x_PROGMODE_NVWRITE	((UINT16)0x03)
+
+/*--- AUX register enable --------------------------*/
+#define		HFA384x_AUXPW0			((UINT16)0xfe01)
+#define		HFA384x_AUXPW1			((UINT16)0xdc23)
+#define		HFA384x_AUXPW2			((UINT16)0xba45)
+
+#define		HFA384x_CONTROL_AUX_ISDISABLED	((UINT16)0x0000)
+#define		HFA384x_CONTROL_AUX_ISENABLED	((UINT16)0xc000)
+#define		HFA384x_CONTROL_AUX_DOENABLE	((UINT16)0x8000)
+#define		HFA384x_CONTROL_AUX_DODISABLE	((UINT16)0x4000)
+
+/*--- Record ID Constants --------------------------*/
+/*--------------------------------------------------------------------
+Configuration RIDs: Network Parameters, Static Configuration Entities
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_CNFPORTTYPE		((UINT16)0xFC00)
+#define		HFA384x_RID_CNFOWNMACADDR	((UINT16)0xFC01)
+#define		HFA384x_RID_CNFDESIREDSSID	((UINT16)0xFC02)
+#define		HFA384x_RID_CNFOWNCHANNEL	((UINT16)0xFC03)
+#define		HFA384x_RID_CNFOWNSSID		((UINT16)0xFC04)
+#define		HFA384x_RID_CNFOWNATIMWIN	((UINT16)0xFC05)
+#define		HFA384x_RID_CNFSYSSCALE		((UINT16)0xFC06)
+#define		HFA384x_RID_CNFMAXDATALEN	((UINT16)0xFC07)
+#define		HFA384x_RID_CNFWDSADDR		((UINT16)0xFC08)
+#define		HFA384x_RID_CNFPMENABLED	((UINT16)0xFC09)
+#define		HFA384x_RID_CNFPMEPS		((UINT16)0xFC0A)
+#define		HFA384x_RID_CNFMULTICASTRX	((UINT16)0xFC0B)
+#define		HFA384x_RID_CNFMAXSLEEPDUR	((UINT16)0xFC0C)
+#define		HFA384x_RID_CNFPMHOLDDUR	((UINT16)0xFC0D)
+#define		HFA384x_RID_CNFOWNNAME		((UINT16)0xFC0E)
+#define		HFA384x_RID_CNFOWNDTIMPER	((UINT16)0xFC10)
+#define		HFA384x_RID_CNFWDSADDR1		((UINT16)0xFC11)
+#define		HFA384x_RID_CNFWDSADDR2		((UINT16)0xFC12)
+#define		HFA384x_RID_CNFWDSADDR3		((UINT16)0xFC13)
+#define		HFA384x_RID_CNFWDSADDR4		((UINT16)0xFC14)
+#define		HFA384x_RID_CNFWDSADDR5		((UINT16)0xFC15)
+#define		HFA384x_RID_CNFWDSADDR6		((UINT16)0xFC16)
+#define		HFA384x_RID_CNFMCASTPMBUFF	((UINT16)0xFC17)
+
+/*--------------------------------------------------------------------
+Configuration RID lengths: Network Params, Static Config Entities
+  This is the length of JUST the DATA part of the RID (does not
+  include the len or code fields)
+--------------------------------------------------------------------*/
+/* TODO: fill in the rest of these */
+#define		HFA384x_RID_CNFPORTTYPE_LEN	((UINT16)2)
+#define		HFA384x_RID_CNFOWNMACADDR_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFDESIREDSSID_LEN	((UINT16)34)
+#define		HFA384x_RID_CNFOWNCHANNEL_LEN	((UINT16)2)
+#define		HFA384x_RID_CNFOWNSSID_LEN	((UINT16)34)
+#define		HFA384x_RID_CNFOWNATIMWIN_LEN	((UINT16)2)
+#define		HFA384x_RID_CNFSYSSCALE_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFMAXDATALEN_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFWDSADDR_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFPMENABLED_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFPMEPS_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFMULTICASTRX_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFMAXSLEEPDUR_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFPMHOLDDUR_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFOWNNAME_LEN	((UINT16)34)
+#define		HFA384x_RID_CNFOWNDTIMPER_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFWDSADDR1_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFWDSADDR2_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFWDSADDR3_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFWDSADDR4_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFWDSADDR5_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFWDSADDR6_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFMCASTPMBUFF_LEN	((UINT16)0)
+#define		HFA384x_RID_CNFAUTHENTICATION_LEN ((UINT16)sizeof(UINT16))
+#define		HFA384x_RID_CNFMAXSLEEPDUR_LEN	((UINT16)0)
+
+/*--------------------------------------------------------------------
+Configuration RIDs: Network Parameters, Dynamic Configuration Entities
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_GROUPADDR		((UINT16)0xFC80)
+#define		HFA384x_RID_CREATEIBSS		((UINT16)0xFC81)
+#define		HFA384x_RID_FRAGTHRESH		((UINT16)0xFC82)
+#define		HFA384x_RID_RTSTHRESH		((UINT16)0xFC83)
+#define		HFA384x_RID_TXRATECNTL		((UINT16)0xFC84)
+#define		HFA384x_RID_PROMISCMODE		((UINT16)0xFC85)
+#define		HFA384x_RID_FRAGTHRESH0		((UINT16)0xFC90)
+#define		HFA384x_RID_FRAGTHRESH1		((UINT16)0xFC91)
+#define		HFA384x_RID_FRAGTHRESH2		((UINT16)0xFC92)
+#define		HFA384x_RID_FRAGTHRESH3		((UINT16)0xFC93)
+#define		HFA384x_RID_FRAGTHRESH4		((UINT16)0xFC94)
+#define		HFA384x_RID_FRAGTHRESH5		((UINT16)0xFC95)
+#define		HFA384x_RID_FRAGTHRESH6		((UINT16)0xFC96)
+#define		HFA384x_RID_RTSTHRESH0		((UINT16)0xFC97)
+#define		HFA384x_RID_RTSTHRESH1		((UINT16)0xFC98)
+#define		HFA384x_RID_RTSTHRESH2		((UINT16)0xFC99)
+#define		HFA384x_RID_RTSTHRESH3		((UINT16)0xFC9A)
+#define		HFA384x_RID_RTSTHRESH4		((UINT16)0xFC9B)
+#define		HFA384x_RID_RTSTHRESH5		((UINT16)0xFC9C)
+#define		HFA384x_RID_RTSTHRESH6		((UINT16)0xFC9D)
+#define		HFA384x_RID_TXRATECNTL0		((UINT16)0xFC9E)
+#define		HFA384x_RID_TXRATECNTL1		((UINT16)0xFC9F)
+#define		HFA384x_RID_TXRATECNTL2		((UINT16)0xFCA0)
+#define		HFA384x_RID_TXRATECNTL3		((UINT16)0xFCA1)
+#define		HFA384x_RID_TXRATECNTL4		((UINT16)0xFCA2)
+#define		HFA384x_RID_TXRATECNTL5		((UINT16)0xFCA3)
+#define		HFA384x_RID_TXRATECNTL6		((UINT16)0xFCA4)
+
+/*--------------------------------------------------------------------
+Configuration RID Lengths: Network Param, Dynamic Config Entities
+  This is the length of JUST the DATA part of the RID (does not
+  include the len or code fields)
+--------------------------------------------------------------------*/
+/* TODO: fill in the rest of these */
+#define		HFA384x_RID_GROUPADDR_LEN	((UINT16)16 * WLAN_ADDR_LEN)
+#define		HFA384x_RID_CREATEIBSS_LEN	((UINT16)0)
+#define		HFA384x_RID_FRAGTHRESH_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL_LEN	((UINT16)4)
+#define		HFA384x_RID_PROMISCMODE_LEN	((UINT16)2)
+#define		HFA384x_RID_FRAGTHRESH0_LEN	((UINT16)0)
+#define		HFA384x_RID_FRAGTHRESH1_LEN	((UINT16)0)
+#define		HFA384x_RID_FRAGTHRESH2_LEN	((UINT16)0)
+#define		HFA384x_RID_FRAGTHRESH3_LEN	((UINT16)0)
+#define		HFA384x_RID_FRAGTHRESH4_LEN	((UINT16)0)
+#define		HFA384x_RID_FRAGTHRESH5_LEN	((UINT16)0)
+#define		HFA384x_RID_FRAGTHRESH6_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH0_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH1_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH2_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH3_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH4_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH5_LEN	((UINT16)0)
+#define		HFA384x_RID_RTSTHRESH6_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL0_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL1_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL2_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL3_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL4_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL5_LEN	((UINT16)0)
+#define		HFA384x_RID_TXRATECNTL6_LEN	((UINT16)0)
+
+/*--------------------------------------------------------------------
+Configuration RIDs: Behavior Parameters
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_ITICKTIME		((UINT16)0xFCE0)
+
+/*--------------------------------------------------------------------
+Configuration RID Lengths: Behavior Parameters
+  This is the length of JUST the DATA part of the RID (does not
+  include the len or code fields)
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_ITICKTIME_LEN	((UINT16)2)
+
+/*----------------------------------------------------------------------
+Information RIDs: NIC Information
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_MAXLOADTIME		((UINT16)0xFD00)
+#define		HFA384x_RID_DOWNLOADBUFFER	((UINT16)0xFD01)
+#define		HFA384x_RID_PRIIDENTITY		((UINT16)0xFD02)
+#define		HFA384x_RID_PRISUPRANGE		((UINT16)0xFD03)
+#define		HFA384x_RID_PRI_CFIACTRANGES	((UINT16)0xFD04)
+#define		HFA384x_RID_NICSERIALNUMBER	((UINT16)0xFD0A)
+#define		HFA384x_RID_NICIDENTITY		((UINT16)0xFD0B)
+#define		HFA384x_RID_MFISUPRANGE		((UINT16)0xFD0C)
+#define		HFA384x_RID_CFISUPRANGE		((UINT16)0xFD0D)
+#define		HFA384x_RID_CHANNELLIST		((UINT16)0xFD10)
+#define		HFA384x_RID_REGULATORYDOMAINS	((UINT16)0xFD11)
+#define		HFA384x_RID_TEMPTYPE		((UINT16)0xFD12)
+#define		HFA384x_RID_CIS			((UINT16)0xFD13)
+#define		HFA384x_RID_STAIDENTITY		((UINT16)0xFD20)
+#define		HFA384x_RID_STASUPRANGE		((UINT16)0xFD21)
+#define		HFA384x_RID_STA_MFIACTRANGES	((UINT16)0xFD22)
+#define		HFA384x_RID_STA_CFIACTRANGES	((UINT16)0xFD23)
+#define		HFA384x_RID_BUILDSEQ		((UINT16)0xFFFE)
+#define		HFA384x_RID_FWID		((UINT16)0xFFFF)
+
+/*----------------------------------------------------------------------
+Information RID Lengths: NIC Information
+  This is the length of JUST the DATA part of the RID (does not
+  include the len or code fields)
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_MAXLOADTIME_LEN		((UINT16)0)
+#define		HFA384x_RID_DOWNLOADBUFFER_LEN		((UINT16)sizeof(hfa384x_downloadbuffer_t))
+#define		HFA384x_RID_PRIIDENTITY_LEN		((UINT16)8)
+#define		HFA384x_RID_PRISUPRANGE_LEN		((UINT16)10)
+#define		HFA384x_RID_CFIACTRANGES_LEN		((UINT16)10)
+#define		HFA384x_RID_NICSERIALNUMBER_LEN		((UINT16)12)
+#define		HFA384x_RID_NICIDENTITY_LEN		((UINT16)8)
+#define		HFA384x_RID_MFISUPRANGE_LEN		((UINT16)10)
+#define		HFA384x_RID_CFISUPRANGE_LEN		((UINT16)10)
+#define		HFA384x_RID_CHANNELLIST_LEN		((UINT16)0)
+#define		HFA384x_RID_REGULATORYDOMAINS_LEN	((UINT16)12)
+#define		HFA384x_RID_TEMPTYPE_LEN		((UINT16)0)
+#define		HFA384x_RID_CIS_LEN			((UINT16)480)
+#define		HFA384x_RID_STAIDENTITY_LEN		((UINT16)8)
+#define		HFA384x_RID_STASUPRANGE_LEN		((UINT16)10)
+#define		HFA384x_RID_MFIACTRANGES_LEN		((UINT16)10)
+#define		HFA384x_RID_CFIACTRANGES2_LEN		((UINT16)10)
+#define		HFA384x_RID_BUILDSEQ_LEN		((UINT16)sizeof(hfa384x_BuildSeq_t))
+#define		HFA384x_RID_FWID_LEN			((UINT16)sizeof(hfa384x_FWID_t))
+
+/*--------------------------------------------------------------------
+Information RIDs:  MAC Information
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_PORTSTATUS		((UINT16)0xFD40)
+#define		HFA384x_RID_CURRENTSSID		((UINT16)0xFD41)
+#define		HFA384x_RID_CURRENTBSSID	((UINT16)0xFD42)
+#define		HFA384x_RID_COMMSQUALITY	((UINT16)0xFD43)
+#define		HFA384x_RID_CURRENTTXRATE	((UINT16)0xFD44)
+#define		HFA384x_RID_CURRENTBCNINT	((UINT16)0xFD45)
+#define		HFA384x_RID_CURRENTSCALETHRESH	((UINT16)0xFD46)
+#define		HFA384x_RID_PROTOCOLRSPTIME	((UINT16)0xFD47)
+#define		HFA384x_RID_SHORTRETRYLIMIT	((UINT16)0xFD48)
+#define		HFA384x_RID_LONGRETRYLIMIT	((UINT16)0xFD49)
+#define		HFA384x_RID_MAXTXLIFETIME	((UINT16)0xFD4A)
+#define		HFA384x_RID_MAXRXLIFETIME	((UINT16)0xFD4B)
+#define		HFA384x_RID_CFPOLLABLE		((UINT16)0xFD4C)
+#define		HFA384x_RID_AUTHALGORITHMS	((UINT16)0xFD4D)
+#define		HFA384x_RID_PRIVACYOPTIMP	((UINT16)0xFD4F)
+#define		HFA384x_RID_DBMCOMMSQUALITY	((UINT16)0xFD51)
+#define		HFA384x_RID_CURRENTTXRATE1	((UINT16)0xFD80)
+#define		HFA384x_RID_CURRENTTXRATE2	((UINT16)0xFD81)
+#define		HFA384x_RID_CURRENTTXRATE3	((UINT16)0xFD82)
+#define		HFA384x_RID_CURRENTTXRATE4	((UINT16)0xFD83)
+#define		HFA384x_RID_CURRENTTXRATE5	((UINT16)0xFD84)
+#define		HFA384x_RID_CURRENTTXRATE6	((UINT16)0xFD85)
+#define		HFA384x_RID_OWNMACADDRESS	((UINT16)0xFD86)
+// #define	HFA384x_RID_PCFINFO		((UINT16)0xFD87)
+#define		HFA384x_RID_SCANRESULTS       	((UINT16)0xFD88) // NEW
+#define		HFA384x_RID_HOSTSCANRESULTS   	((UINT16)0xFD89) // NEW
+#define		HFA384x_RID_AUTHENTICATIONUSED	((UINT16)0xFD8A) // NEW
+#define		HFA384x_RID_ASSOCIATEFAILURE  	((UINT16)0xFD8D) // 1.8.0
+
+/*--------------------------------------------------------------------
+Information RID Lengths:  MAC Information
+  This is the length of JUST the DATA part of the RID (does not
+  include the len or code fields)
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_PORTSTATUS_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTSSID_LEN		((UINT16)34)
+#define		HFA384x_RID_CURRENTBSSID_LEN		((UINT16)WLAN_BSSID_LEN)
+#define		HFA384x_RID_COMMSQUALITY_LEN		((UINT16)sizeof(hfa384x_commsquality_t))
+#define		HFA384x_RID_DBMCOMMSQUALITY_LEN		((UINT16)sizeof(hfa384x_dbmcommsquality_t))
+#define		HFA384x_RID_CURRENTTXRATE_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTBCNINT_LEN		((UINT16)0)
+#define		HFA384x_RID_STACURSCALETHRESH_LEN	((UINT16)12)
+#define		HFA384x_RID_APCURSCALETHRESH_LEN	((UINT16)6)
+#define		HFA384x_RID_PROTOCOLRSPTIME_LEN		((UINT16)0)
+#define		HFA384x_RID_SHORTRETRYLIMIT_LEN		((UINT16)0)
+#define		HFA384x_RID_LONGRETRYLIMIT_LEN		((UINT16)0)
+#define		HFA384x_RID_MAXTXLIFETIME_LEN		((UINT16)0)
+#define		HFA384x_RID_MAXRXLIFETIME_LEN		((UINT16)0)
+#define		HFA384x_RID_CFPOLLABLE_LEN		((UINT16)0)
+#define		HFA384x_RID_AUTHALGORITHMS_LEN		((UINT16)4)
+#define		HFA384x_RID_PRIVACYOPTIMP_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTTXRATE1_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTTXRATE2_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTTXRATE3_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTTXRATE4_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTTXRATE5_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTTXRATE6_LEN		((UINT16)0)
+#define		HFA384x_RID_OWNMACADDRESS_LEN		((UINT16)6)
+#define		HFA384x_RID_PCFINFO_LEN			((UINT16)6)
+#define		HFA384x_RID_CNFAPPCFINFO_LEN		((UINT16)sizeof(hfa384x_PCFInfo_data_t))
+#define		HFA384x_RID_SCANREQUEST_LEN		((UINT16)sizeof(hfa384x_ScanRequest_data_t))
+#define		HFA384x_RID_JOINREQUEST_LEN		((UINT16)sizeof(hfa384x_JoinRequest_data_t))
+#define		HFA384x_RID_AUTHENTICATESTA_LEN		((UINT16)sizeof(hfa384x_authenticateStation_data_t))
+#define		HFA384x_RID_CHANNELINFOREQUEST_LEN	((UINT16)sizeof(hfa384x_ChannelInfoRequest_data_t))
+/*--------------------------------------------------------------------
+Information RIDs:  Modem Information
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_PHYTYPE		((UINT16)0xFDC0)
+#define		HFA384x_RID_CURRENTCHANNEL	((UINT16)0xFDC1)
+#define		HFA384x_RID_CURRENTPOWERSTATE	((UINT16)0xFDC2)
+#define		HFA384x_RID_CCAMODE		((UINT16)0xFDC3)
+#define		HFA384x_RID_SUPPORTEDDATARATES	((UINT16)0xFDC6)
+#define		HFA384x_RID_LFOSTATUS           ((UINT16)0xFDC7) // 1.7.1
+
+/*--------------------------------------------------------------------
+Information RID Lengths:  Modem Information
+  This is the length of JUST the DATA part of the RID (does not
+  include the len or code fields)
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_PHYTYPE_LEN			((UINT16)0)
+#define		HFA384x_RID_CURRENTCHANNEL_LEN		((UINT16)0)
+#define		HFA384x_RID_CURRENTPOWERSTATE_LEN	((UINT16)0)
+#define		HFA384x_RID_CCAMODE_LEN			((UINT16)0)
+#define		HFA384x_RID_SUPPORTEDDATARATES_LEN	((UINT16)10)
+
+/*--------------------------------------------------------------------
+API ENHANCEMENTS (NOT ALREADY IMPLEMENTED)
+--------------------------------------------------------------------*/
+#define		HFA384x_RID_CNFWEPDEFAULTKEYID	((UINT16)0xFC23)
+#define		HFA384x_RID_CNFWEPDEFAULTKEY0	((UINT16)0xFC24)
+#define		HFA384x_RID_CNFWEPDEFAULTKEY1	((UINT16)0xFC25)
+#define		HFA384x_RID_CNFWEPDEFAULTKEY2	((UINT16)0xFC26)
+#define		HFA384x_RID_CNFWEPDEFAULTKEY3	((UINT16)0xFC27)
+#define		HFA384x_RID_CNFWEPFLAGS		((UINT16)0xFC28)
+#define		HFA384x_RID_CNFWEPKEYMAPTABLE	((UINT16)0xFC29)
+#define		HFA384x_RID_CNFAUTHENTICATION	((UINT16)0xFC2A)
+#define		HFA384x_RID_CNFMAXASSOCSTATIONS	((UINT16)0xFC2B)
+#define		HFA384x_RID_CNFTXCONTROL	((UINT16)0xFC2C)
+#define		HFA384x_RID_CNFROAMINGMODE	((UINT16)0xFC2D)
+#define		HFA384x_RID_CNFHOSTAUTHASSOC	((UINT16)0xFC2E)
+#define		HFA384x_RID_CNFRCVCRCERROR	((UINT16)0xFC30)
+// #define		HFA384x_RID_CNFMMLIFE		((UINT16)0xFC31)
+#define		HFA384x_RID_CNFALTRETRYCNT	((UINT16)0xFC32)
+#define		HFA384x_RID_CNFAPBCNINT		((UINT16)0xFC33)
+#define		HFA384x_RID_CNFAPPCFINFO	((UINT16)0xFC34)
+#define		HFA384x_RID_CNFSTAPCFINFO	((UINT16)0xFC35)
+#define		HFA384x_RID_CNFPRIORITYQUSAGE	((UINT16)0xFC37)
+#define		HFA384x_RID_CNFTIMCTRL		((UINT16)0xFC40)
+#define		HFA384x_RID_CNFTHIRTY2TALLY	((UINT16)0xFC42)
+#define		HFA384x_RID_CNFENHSECURITY	((UINT16)0xFC43)
+#define		HFA384x_RID_CNFDBMADJUST  	((UINT16)0xFC46) // NEW
+#define		HFA384x_RID_CNFWPADATA       	((UINT16)0xFC48) // 1.7.0
+#define		HFA384x_RID_CNFPROPOGATIONDELAY	((UINT16)0xFC49) // 1.7.6
+#define		HFA384x_RID_CNFSHORTPREAMBLE	((UINT16)0xFCB0)
+#define		HFA384x_RID_CNFEXCLONGPREAMBLE	((UINT16)0xFCB1)
+#define		HFA384x_RID_CNFAUTHRSPTIMEOUT	((UINT16)0xFCB2)
+#define		HFA384x_RID_CNFBASICRATES	((UINT16)0xFCB3)
+#define		HFA384x_RID_CNFSUPPRATES	((UINT16)0xFCB4)
+#define		HFA384x_RID_CNFFALLBACKCTRL	((UINT16)0xFCB5) // NEW
+#define		HFA384x_RID_WEPKEYSTATUS   	((UINT16)0xFCB6) // NEW
+#define		HFA384x_RID_WEPKEYMAPINDEX 	((UINT16)0xFCB7) // NEW
+#define		HFA384x_RID_BROADCASTKEYID 	((UINT16)0xFCB8) // NEW
+#define		HFA384x_RID_ENTSECFLAGEYID 	((UINT16)0xFCB9) // NEW
+#define		HFA384x_RID_CNFPASSIVESCANCTRL	((UINT16)0xFCBA) // NEW STA
+#define		HFA384x_RID_CNFWPAHANDLING	((UINT16)0xFCBB) // 1.7.0
+#define		HFA384x_RID_MDCCONTROL        	((UINT16)0xFCBC) // 1.7.0/1.4.0
+#define		HFA384x_RID_MDCCOUNTRY        	((UINT16)0xFCBD) // 1.7.0/1.4.0
+#define		HFA384x_RID_TXPOWERMAX        	((UINT16)0xFCBE) // 1.7.0/1.4.0
+#define		HFA384x_RID_CNFLFOENBLED      	((UINT16)0xFCBF) // 1.6.3
+#define         HFA384x_RID_CAPINFO             ((UINT16)0xFCC0) // 1.7.0/1.3.7
+#define         HFA384x_RID_LISTENINTERVAL      ((UINT16)0xFCC1) // 1.7.0/1.3.7
+#define         HFA384x_RID_DIVERSITYENABLED    ((UINT16)0xFCC2) // 1.7.0/1.3.7
+#define         HFA384x_RID_LED_CONTROL         ((UINT16)0xFCC4) // 1.7.6
+#define         HFA384x_RID_HFO_DELAY           ((UINT16)0xFCC5) // 1.7.6
+#define         HFA384x_RID_DISSALOWEDBSSID     ((UINT16)0xFCC6) // 1.8.0
+#define		HFA384x_RID_SCANREQUEST		((UINT16)0xFCE1)
+#define		HFA384x_RID_JOINREQUEST		((UINT16)0xFCE2)
+#define		HFA384x_RID_AUTHENTICATESTA	((UINT16)0xFCE3)
+#define		HFA384x_RID_CHANNELINFOREQUEST	((UINT16)0xFCE4)
+#define		HFA384x_RID_HOSTSCAN          	((UINT16)0xFCE5) // NEW STA
+#define		HFA384x_RID_ASSOCIATESTA	((UINT16)0xFCE6)
+
+#define		HFA384x_RID_CNFWEPDEFAULTKEY_LEN	((UINT16)6)
+#define		HFA384x_RID_CNFWEP128DEFAULTKEY_LEN	((UINT16)14)
+#define		HFA384x_RID_CNFPRIOQUSAGE_LEN		((UINT16)4)
+/*--------------------------------------------------------------------
+PD Record codes
+--------------------------------------------------------------------*/
+#define HFA384x_PDR_PCB_PARTNUM		((UINT16)0x0001)
+#define HFA384x_PDR_PDAVER		((UINT16)0x0002)
+#define HFA384x_PDR_NIC_SERIAL		((UINT16)0x0003)
+#define HFA384x_PDR_MKK_MEASUREMENTS	((UINT16)0x0004)
+#define HFA384x_PDR_NIC_RAMSIZE		((UINT16)0x0005)
+#define HFA384x_PDR_MFISUPRANGE		((UINT16)0x0006)
+#define HFA384x_PDR_CFISUPRANGE		((UINT16)0x0007)
+#define HFA384x_PDR_NICID		((UINT16)0x0008)
+//#define HFA384x_PDR_REFDAC_MEASUREMENTS	((UINT16)0x0010)
+//#define HFA384x_PDR_VGDAC_MEASUREMENTS	((UINT16)0x0020)
+//#define HFA384x_PDR_LEVEL_COMP_MEASUREMENTS	((UINT16)0x0030)
+//#define HFA384x_PDR_MODEM_TRIMDAC_MEASUREMENTS	((UINT16)0x0040)
+//#define HFA384x_PDR_COREGA_HACK		((UINT16)0x00ff)
+#define HFA384x_PDR_MAC_ADDRESS		((UINT16)0x0101)
+//#define HFA384x_PDR_MKK_CALLNAME	((UINT16)0x0102)
+#define HFA384x_PDR_REGDOMAIN		((UINT16)0x0103)
+#define HFA384x_PDR_ALLOWED_CHANNEL	((UINT16)0x0104)
+#define HFA384x_PDR_DEFAULT_CHANNEL	((UINT16)0x0105)
+//#define HFA384x_PDR_PRIVACY_OPTION	((UINT16)0x0106)
+#define HFA384x_PDR_TEMPTYPE		((UINT16)0x0107)
+//#define HFA384x_PDR_REFDAC_SETUP	((UINT16)0x0110)
+//#define HFA384x_PDR_VGDAC_SETUP		((UINT16)0x0120)
+//#define HFA384x_PDR_LEVEL_COMP_SETUP	((UINT16)0x0130)
+//#define HFA384x_PDR_TRIMDAC_SETUP	((UINT16)0x0140)
+#define HFA384x_PDR_IFR_SETTING		((UINT16)0x0200)
+#define HFA384x_PDR_RFR_SETTING		((UINT16)0x0201)
+#define HFA384x_PDR_HFA3861_BASELINE	((UINT16)0x0202)
+#define HFA384x_PDR_HFA3861_SHADOW	((UINT16)0x0203)
+#define HFA384x_PDR_HFA3861_IFRF	((UINT16)0x0204)
+#define HFA384x_PDR_HFA3861_CHCALSP	((UINT16)0x0300)
+#define HFA384x_PDR_HFA3861_CHCALI	((UINT16)0x0301)
+#define HFA384x_PDR_MAX_TX_POWER  	((UINT16)0x0302)
+#define HFA384x_PDR_MASTER_CHAN_LIST	((UINT16)0x0303)
+#define HFA384x_PDR_3842_NIC_CONFIG	((UINT16)0x0400)
+#define HFA384x_PDR_USB_ID		((UINT16)0x0401)
+#define HFA384x_PDR_PCI_ID		((UINT16)0x0402)
+#define HFA384x_PDR_PCI_IFCONF		((UINT16)0x0403)
+#define HFA384x_PDR_PCI_PMCONF		((UINT16)0x0404)
+#define HFA384x_PDR_RFENRGY		((UINT16)0x0406)
+#define HFA384x_PDR_USB_POWER_TYPE      ((UINT16)0x0407)
+//#define HFA384x_PDR_UNKNOWN408		((UINT16)0x0408)
+#define HFA384x_PDR_USB_MAX_POWER	((UINT16)0x0409)
+#define HFA384x_PDR_USB_MANUFACTURER	((UINT16)0x0410)
+#define HFA384x_PDR_USB_PRODUCT  	((UINT16)0x0411)
+#define HFA384x_PDR_ANT_DIVERSITY   	((UINT16)0x0412)
+#define HFA384x_PDR_HFO_DELAY       	((UINT16)0x0413)
+#define HFA384x_PDR_SCALE_THRESH 	((UINT16)0x0414)
+
+#define HFA384x_PDR_HFA3861_MANF_TESTSP	((UINT16)0x0900)
+#define HFA384x_PDR_HFA3861_MANF_TESTI	((UINT16)0x0901)
+#define HFA384x_PDR_END_OF_PDA		((UINT16)0x0000)
+
+
+/*=============================================================*/
+/*------ Macros -----------------------------------------------*/
+
+/*--- Register ID macros ------------------------*/
+
+#define		HFA384x_CMD		HFA384x_CMD_OFF
+#define		HFA384x_PARAM0		HFA384x_PARAM0_OFF
+#define		HFA384x_PARAM1		HFA384x_PARAM1_OFF
+#define		HFA384x_PARAM2		HFA384x_PARAM2_OFF
+#define		HFA384x_STATUS		HFA384x_STATUS_OFF
+#define		HFA384x_RESP0		HFA384x_RESP0_OFF
+#define		HFA384x_RESP1		HFA384x_RESP1_OFF
+#define		HFA384x_RESP2		HFA384x_RESP2_OFF
+#define		HFA384x_INFOFID		HFA384x_INFOFID_OFF
+#define		HFA384x_RXFID		HFA384x_RXFID_OFF
+#define		HFA384x_ALLOCFID	HFA384x_ALLOCFID_OFF
+#define		HFA384x_TXCOMPLFID	HFA384x_TXCOMPLFID_OFF
+#define		HFA384x_SELECT0		HFA384x_SELECT0_OFF
+#define		HFA384x_OFFSET0		HFA384x_OFFSET0_OFF
+#define		HFA384x_DATA0		HFA384x_DATA0_OFF
+#define		HFA384x_SELECT1		HFA384x_SELECT1_OFF
+#define		HFA384x_OFFSET1		HFA384x_OFFSET1_OFF
+#define		HFA384x_DATA1		HFA384x_DATA1_OFF
+#define		HFA384x_EVSTAT		HFA384x_EVSTAT_OFF
+#define		HFA384x_INTEN		HFA384x_INTEN_OFF
+#define		HFA384x_EVACK		HFA384x_EVACK_OFF
+#define		HFA384x_CONTROL		HFA384x_CONTROL_OFF
+#define		HFA384x_SWSUPPORT0	HFA384x_SWSUPPORT0_OFF
+#define		HFA384x_SWSUPPORT1	HFA384x_SWSUPPORT1_OFF
+#define		HFA384x_SWSUPPORT2	HFA384x_SWSUPPORT2_OFF
+#define		HFA384x_AUXPAGE		HFA384x_AUXPAGE_OFF
+#define		HFA384x_AUXOFFSET	HFA384x_AUXOFFSET_OFF
+#define		HFA384x_AUXDATA		HFA384x_AUXDATA_OFF
+#define		HFA384x_PCICOR		HFA384x_PCICOR_OFF
+#define		HFA384x_PCIHCR		HFA384x_PCIHCR_OFF
+
+
+/*--- Register Test/Get/Set Field macros ------------------------*/
+
+#define		HFA384x_CMD_ISBUSY(value)		((UINT16)(((UINT16)value) & HFA384x_CMD_BUSY))
+#define		HFA384x_CMD_AINFO_GET(value)		((UINT16)(((UINT16)(value) & HFA384x_CMD_AINFO) >> 8))
+#define		HFA384x_CMD_AINFO_SET(value)		((UINT16)((UINT16)(value) << 8))
+#define		HFA384x_CMD_MACPORT_GET(value)		((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_MACPORT)))
+#define		HFA384x_CMD_MACPORT_SET(value)		((UINT16)HFA384x_CMD_AINFO_SET(value))
+#define		HFA384x_CMD_ISRECL(value)		((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_RECL)))
+#define		HFA384x_CMD_RECL_SET(value)		((UINT16)HFA384x_CMD_AINFO_SET(value))
+#define		HFA384x_CMD_QOS_GET(value)		((UINT16((((UINT16)(value))&((UINT16)0x3000)) >> 12))
+#define		HFA384x_CMD_QOS_SET(value)		((UINT16)((((UINT16)(value)) << 12) & 0x3000))
+#define		HFA384x_CMD_ISWRITE(value)		((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_WRITE)))
+#define		HFA384x_CMD_WRITE_SET(value)		((UINT16)HFA384x_CMD_AINFO_SET((UINT16)value))
+#define		HFA384x_CMD_PROGMODE_GET(value)		((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_PROGMODE)))
+#define		HFA384x_CMD_PROGMODE_SET(value)		((UINT16)HFA384x_CMD_AINFO_SET((UINT16)value))
+#define		HFA384x_CMD_CMDCODE_GET(value)		((UINT16)(((UINT16)(value)) & HFA384x_CMD_CMDCODE))
+#define		HFA384x_CMD_CMDCODE_SET(value)		((UINT16)(value))
+
+#define		HFA384x_STATUS_RESULT_GET(value)	((UINT16)((((UINT16)(value)) & HFA384x_STATUS_RESULT) >> 8))
+#define		HFA384x_STATUS_RESULT_SET(value)	(((UINT16)(value)) << 8)
+#define		HFA384x_STATUS_CMDCODE_GET(value)	(((UINT16)(value)) & HFA384x_STATUS_CMDCODE)
+#define		HFA384x_STATUS_CMDCODE_SET(value)	((UINT16)(value))
+
+#define		HFA384x_OFFSET_ISBUSY(value)		((UINT16)(((UINT16)(value)) & HFA384x_OFFSET_BUSY))
+#define		HFA384x_OFFSET_ISERR(value)		((UINT16)(((UINT16)(value)) & HFA384x_OFFSET_ERR))
+#define		HFA384x_OFFSET_DATAOFF_GET(value)	((UINT16)(((UINT16)(value)) & HFA384x_OFFSET_DATAOFF))
+#define		HFA384x_OFFSET_DATAOFF_SET(value)	((UINT16)(value))
+
+#define		HFA384x_EVSTAT_ISTICK(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_TICK))
+#define		HFA384x_EVSTAT_ISWTERR(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_WTERR))
+#define		HFA384x_EVSTAT_ISINFDROP(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_INFDROP))
+#define		HFA384x_EVSTAT_ISINFO(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_INFO))
+#define		HFA384x_EVSTAT_ISDTIM(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_DTIM))
+#define		HFA384x_EVSTAT_ISCMD(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_CMD))
+#define		HFA384x_EVSTAT_ISALLOC(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_ALLOC))
+#define		HFA384x_EVSTAT_ISTXEXC(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_TXEXC))
+#define		HFA384x_EVSTAT_ISTX(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_TX))
+#define		HFA384x_EVSTAT_ISRX(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVSTAT_RX))
+
+#define		HFA384x_EVSTAT_ISBAP_OP(value)		((UINT16)(((UINT16)(value)) & HFA384x_INT_BAP_OP))
+
+#define		HFA384x_INTEN_ISTICK(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_TICK))
+#define		HFA384x_INTEN_TICK_SET(value)		((UINT16)(((UINT16)(value)) << 15))
+#define		HFA384x_INTEN_ISWTERR(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_WTERR))
+#define		HFA384x_INTEN_WTERR_SET(value)		((UINT16)(((UINT16)(value)) << 14))
+#define		HFA384x_INTEN_ISINFDROP(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_INFDROP))
+#define		HFA384x_INTEN_INFDROP_SET(value)	((UINT16)(((UINT16)(value)) << 13))
+#define		HFA384x_INTEN_ISINFO(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_INFO))
+#define		HFA384x_INTEN_INFO_SET(value)		((UINT16)(((UINT16)(value)) << 7))
+#define		HFA384x_INTEN_ISDTIM(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_DTIM))
+#define		HFA384x_INTEN_DTIM_SET(value)		((UINT16)(((UINT16)(value)) << 5))
+#define		HFA384x_INTEN_ISCMD(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_CMD))
+#define		HFA384x_INTEN_CMD_SET(value)		((UINT16)(((UINT16)(value)) << 4))
+#define		HFA384x_INTEN_ISALLOC(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_ALLOC))
+#define		HFA384x_INTEN_ALLOC_SET(value)		((UINT16)(((UINT16)(value)) << 3))
+#define		HFA384x_INTEN_ISTXEXC(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_TXEXC))
+#define		HFA384x_INTEN_TXEXC_SET(value)		((UINT16)(((UINT16)(value)) << 2))
+#define		HFA384x_INTEN_ISTX(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_TX))
+#define		HFA384x_INTEN_TX_SET(value)		((UINT16)(((UINT16)(value)) << 1))
+#define		HFA384x_INTEN_ISRX(value)		((UINT16)(((UINT16)(value)) & HFA384x_INTEN_RX))
+#define		HFA384x_INTEN_RX_SET(value)		((UINT16)(((UINT16)(value)) << 0))
+
+#define		HFA384x_EVACK_ISTICK(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_TICK))
+#define		HFA384x_EVACK_TICK_SET(value)		((UINT16)(((UINT16)(value)) << 15))
+#define		HFA384x_EVACK_ISWTERR(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_WTERR))
+#define		HFA384x_EVACK_WTERR_SET(value)		((UINT16)(((UINT16)(value)) << 14))
+#define		HFA384x_EVACK_ISINFDROP(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_INFDROP))
+#define		HFA384x_EVACK_INFDROP_SET(value)	((UINT16)(((UINT16)(value)) << 13))
+#define		HFA384x_EVACK_ISINFO(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_INFO))
+#define		HFA384x_EVACK_INFO_SET(value)		((UINT16)(((UINT16)(value)) << 7))
+#define		HFA384x_EVACK_ISDTIM(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_DTIM))
+#define		HFA384x_EVACK_DTIM_SET(value)		((UINT16)(((UINT16)(value)) << 5))
+#define		HFA384x_EVACK_ISCMD(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_CMD))
+#define		HFA384x_EVACK_CMD_SET(value)		((UINT16)(((UINT16)(value)) << 4))
+#define		HFA384x_EVACK_ISALLOC(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_ALLOC))
+#define		HFA384x_EVACK_ALLOC_SET(value)		((UINT16)(((UINT16)(value)) << 3))
+#define		HFA384x_EVACK_ISTXEXC(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_TXEXC))
+#define		HFA384x_EVACK_TXEXC_SET(value)		((UINT16)(((UINT16)(value)) << 2))
+#define		HFA384x_EVACK_ISTX(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_TX))
+#define		HFA384x_EVACK_TX_SET(value)		((UINT16)(((UINT16)(value)) << 1))
+#define		HFA384x_EVACK_ISRX(value)		((UINT16)(((UINT16)(value)) & HFA384x_EVACK_RX))
+#define		HFA384x_EVACK_RX_SET(value)		((UINT16)(((UINT16)(value)) << 0))
+
+#define		HFA384x_CONTROL_AUXEN_SET(value)	((UINT16)(((UINT16)(value)) << 14))
+#define		HFA384x_CONTROL_AUXEN_GET(value)	((UINT16)(((UINT16)(value)) >> 14))
+
+/* Byte Order */
+#ifdef __KERNEL__
+#define hfa384x2host_16(n)	(__le16_to_cpu((UINT16)(n)))
+#define hfa384x2host_32(n)	(__le32_to_cpu((UINT32)(n)))
+#define host2hfa384x_16(n)	(__cpu_to_le16((UINT16)(n)))
+#define host2hfa384x_32(n)	(__cpu_to_le32((UINT32)(n)))
+#endif
+
+/* Host Maintained State Info */
+#define HFA384x_STATE_PREINIT	0
+#define HFA384x_STATE_INIT	1
+#define HFA384x_STATE_RUNNING	2
+
+/*=============================================================*/
+/*------ Types and their related constants --------------------*/
+
+#define HFA384x_HOSTAUTHASSOC_HOSTAUTH   BIT0
+#define HFA384x_HOSTAUTHASSOC_HOSTASSOC  BIT1
+
+#define HFA384x_WHAHANDLING_DISABLED     0
+#define HFA384x_WHAHANDLING_PASSTHROUGH  BIT1
+
+/*-------------------------------------------------------------*/
+/* Commonly used basic types */
+typedef struct hfa384x_bytestr
+{
+	UINT16	len;
+	UINT8	data[0];
+} __WLAN_ATTRIB_PACK__ hfa384x_bytestr_t;
+
+typedef struct hfa384x_bytestr32
+{
+	UINT16	len;
+	UINT8	data[32];
+} __WLAN_ATTRIB_PACK__ hfa384x_bytestr32_t;
+
+/*--------------------------------------------------------------------
+Configuration Record Structures:
+	Network Parameters, Static Configuration Entities
+--------------------------------------------------------------------*/
+/* Prototype structure: all configuration record structures start with
+these members */
+
+typedef struct hfa384x_record
+{
+	UINT16	reclen;
+	UINT16	rid;
+} __WLAN_ATTRIB_PACK__ hfa384x_rec_t;
+
+typedef struct hfa384x_record16
+{
+	UINT16	reclen;
+	UINT16	rid;
+	UINT16	val;
+} __WLAN_ATTRIB_PACK__ hfa384x_rec16_t;
+
+typedef struct hfa384x_record32
+{
+	UINT16	reclen;
+	UINT16	rid;
+	UINT32	val;
+} __WLAN_ATTRIB_PACK__ hfa384x_rec32;
+
+/*-- Hardware/Firmware Component Information ----------*/
+typedef struct hfa384x_compident
+{
+	UINT16	id;
+	UINT16	variant;
+	UINT16	major;
+	UINT16	minor;
+} __WLAN_ATTRIB_PACK__ hfa384x_compident_t;
+
+typedef struct hfa384x_caplevel
+{
+	UINT16	role;
+	UINT16	id;
+	UINT16	variant;
+	UINT16	bottom;
+	UINT16	top;
+} __WLAN_ATTRIB_PACK__ hfa384x_caplevel_t;
+
+/*-- Configuration Record: cnfPortType --*/
+typedef struct hfa384x_cnfPortType
+{
+	UINT16	cnfPortType;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfPortType_t;
+
+/*-- Configuration Record: cnfOwnMACAddress --*/
+typedef struct hfa384x_cnfOwnMACAddress
+{
+	UINT8	cnfOwnMACAddress[6];
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnMACAddress_t;
+
+/*-- Configuration Record: cnfDesiredSSID --*/
+typedef struct hfa384x_cnfDesiredSSID
+{
+	UINT8	cnfDesiredSSID[34];
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfDesiredSSID_t;
+
+/*-- Configuration Record: cnfOwnChannel --*/
+typedef struct hfa384x_cnfOwnChannel
+{
+	UINT16	cnfOwnChannel;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnChannel_t;
+
+/*-- Configuration Record: cnfOwnSSID --*/
+typedef struct hfa384x_cnfOwnSSID
+{
+	UINT8	cnfOwnSSID[34];
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnSSID_t;
+
+/*-- Configuration Record: cnfOwnATIMWindow --*/
+typedef struct hfa384x_cnfOwnATIMWindow
+{
+	UINT16	cnfOwnATIMWindow;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnATIMWindow_t;
+
+/*-- Configuration Record: cnfSystemScale --*/
+typedef struct hfa384x_cnfSystemScale
+{
+	UINT16	cnfSystemScale;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfSystemScale_t;
+
+/*-- Configuration Record: cnfMaxDataLength --*/
+typedef struct hfa384x_cnfMaxDataLength
+{
+	UINT16	cnfMaxDataLength;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfMaxDataLength_t;
+
+/*-- Configuration Record: cnfWDSAddress --*/
+typedef struct hfa384x_cnfWDSAddress
+{
+	UINT8	cnfWDSAddress[6];
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfWDSAddress_t;
+
+/*-- Configuration Record: cnfPMEnabled --*/
+typedef struct hfa384x_cnfPMEnabled
+{
+	UINT16	cnfPMEnabled;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfPMEnabled_t;
+
+/*-- Configuration Record: cnfPMEPS --*/
+typedef struct hfa384x_cnfPMEPS
+{
+	UINT16	cnfPMEPS;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfPMEPS_t;
+
+/*-- Configuration Record: cnfMulticastReceive --*/
+typedef struct hfa384x_cnfMulticastReceive
+{
+	UINT16	cnfMulticastReceive;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfMulticastReceive_t;
+
+/*-- Configuration Record: cnfAuthentication --*/
+#define HFA384x_CNFAUTHENTICATION_OPENSYSTEM	0x0001
+#define HFA384x_CNFAUTHENTICATION_SHAREDKEY	0x0002
+#define HFA384x_CNFAUTHENTICATION_LEAP     	0x0004
+
+/*-- Configuration Record: cnfMaxSleepDuration --*/
+typedef struct hfa384x_cnfMaxSleepDuration
+{
+	UINT16	cnfMaxSleepDuration;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfMaxSleepDuration_t;
+
+/*-- Configuration Record: cnfPMHoldoverDuration --*/
+typedef struct hfa384x_cnfPMHoldoverDuration
+{
+	UINT16	cnfPMHoldoverDuration;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfPMHoldoverDuration_t;
+
+/*-- Configuration Record: cnfOwnName --*/
+typedef struct hfa384x_cnfOwnName
+{
+	UINT8	cnfOwnName[34];
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnName_t;
+
+/*-- Configuration Record: cnfOwnDTIMPeriod --*/
+typedef struct hfa384x_cnfOwnDTIMPeriod
+{
+	UINT16	cnfOwnDTIMPeriod;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfOwnDTIMPeriod_t;
+
+/*-- Configuration Record: cnfWDSAddress --*/
+typedef struct hfa384x_cnfWDSAddressN
+{
+	UINT8	cnfWDSAddress[6];
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfWDSAddressN_t;
+
+/*-- Configuration Record: cnfMulticastPMBuffering --*/
+typedef struct hfa384x_cnfMulticastPMBuffering
+{
+	UINT16	cnfMulticastPMBuffering;
+} __WLAN_ATTRIB_PACK__ hfa384x_cnfMulticastPMBuffering_t;
+
+/*--------------------------------------------------------------------
+Configuration Record Structures:
+	Network Parameters, Dynamic Configuration Entities
+--------------------------------------------------------------------*/
+
+/*-- Configuration Record: GroupAddresses --*/
+typedef struct hfa384x_GroupAddresses
+{
+	UINT8	MACAddress[16][6];
+} __WLAN_ATTRIB_PACK__ hfa384x_GroupAddresses_t;
+
+/*-- Configuration Record: CreateIBSS --*/
+typedef struct hfa384x_CreateIBSS
+{
+	UINT16	CreateIBSS;
+} __WLAN_ATTRIB_PACK__ hfa384x_CreateIBSS_t;
+
+#define HFA384x_CREATEIBSS_JOINCREATEIBSS          0
+#define HFA384x_CREATEIBSS_JOINESS_JOINCREATEIBSS  1
+#define HFA384x_CREATEIBSS_JOINIBSS                2
+#define HFA384x_CREATEIBSS_JOINESS_JOINIBSS        3
+
+/*-- Configuration Record: FragmentationThreshold --*/
+typedef struct hfa384x_FragmentationThreshold
+{
+	UINT16	FragmentationThreshold;
+} __WLAN_ATTRIB_PACK__ hfa384x_FragmentationThreshold_t;
+
+/*-- Configuration Record: RTSThreshold --*/
+typedef struct hfa384x_RTSThreshold
+{
+	UINT16	RTSThreshold;
+} __WLAN_ATTRIB_PACK__ hfa384x_RTSThreshold_t;
+
+/*-- Configuration Record: TxRateControl --*/
+typedef struct hfa384x_TxRateControl
+{
+	UINT16	TxRateControl;
+} __WLAN_ATTRIB_PACK__ hfa384x_TxRateControl_t;
+
+/*-- Configuration Record: PromiscuousMode --*/
+typedef struct hfa384x_PromiscuousMode
+{
+	UINT16	PromiscuousMode;
+} __WLAN_ATTRIB_PACK__ hfa384x_PromiscuousMode_t;
+
+/*-- Configuration Record: ScanRequest (data portion only) --*/
+typedef struct hfa384x_ScanRequest_data
+{
+	UINT16	channelList;
+	UINT16	txRate;
+} __WLAN_ATTRIB_PACK__ hfa384x_ScanRequest_data_t;
+
+/*-- Configuration Record: HostScanRequest (data portion only) --*/
+typedef struct hfa384x_HostScanRequest_data
+{
+	UINT16	channelList;
+	UINT16	txRate;
+	hfa384x_bytestr32_t ssid;
+} __WLAN_ATTRIB_PACK__ hfa384x_HostScanRequest_data_t;
+
+/*-- Configuration Record: JoinRequest (data portion only) --*/
+typedef struct hfa384x_JoinRequest_data
+{
+	UINT8	bssid[WLAN_BSSID_LEN];
+	UINT16	channel;
+} __WLAN_ATTRIB_PACK__ hfa384x_JoinRequest_data_t;
+
+/*-- Configuration Record: authenticateStation (data portion only) --*/
+typedef struct hfa384x_authenticateStation_data
+{
+	UINT8	address[WLAN_ADDR_LEN];
+	UINT16	status;
+	UINT16	algorithm;
+} __WLAN_ATTRIB_PACK__ hfa384x_authenticateStation_data_t;
+
+/*-- Configuration Record: associateStation (data portion only) --*/
+typedef struct hfa384x_associateStation_data
+{
+	UINT8	address[WLAN_ADDR_LEN];
+	UINT16	status;
+	UINT16	type;
+} __WLAN_ATTRIB_PACK__ hfa384x_associateStation_data_t;
+
+/*-- Configuration Record: ChannelInfoRequest (data portion only) --*/
+typedef struct hfa384x_ChannelInfoRequest_data
+{
+	UINT16	channelList;
+	UINT16	channelDwellTime;
+} __WLAN_ATTRIB_PACK__ hfa384x_ChannelInfoRequest_data_t;
+
+/*-- Configuration Record: WEPKeyMapping (data portion only) --*/
+typedef struct hfa384x_WEPKeyMapping
+{
+	UINT8	address[WLAN_ADDR_LEN];
+	UINT16	key_index;
+	UINT8 	key[16];
+	UINT8 	mic_transmit_key[4];
+	UINT8 	mic_receive_key[4];
+} __WLAN_ATTRIB_PACK__ hfa384x_WEPKeyMapping_t;
+
+/*-- Configuration Record: WPAData       (data portion only) --*/
+typedef struct hfa384x_WPAData
+{
+	UINT16	datalen;
+        UINT8 	data[0]; // max 80
+} __WLAN_ATTRIB_PACK__ hfa384x_WPAData_t;
+
+/*--------------------------------------------------------------------
+Configuration Record Structures: Behavior Parameters
+--------------------------------------------------------------------*/
+
+/*-- Configuration Record: TickTime --*/
+typedef struct hfa384x_TickTime
+{
+	UINT16	TickTime;
+} __WLAN_ATTRIB_PACK__ hfa384x_TickTime_t;
+
+/*--------------------------------------------------------------------
+Information Record Structures: NIC Information
+--------------------------------------------------------------------*/
+
+/*-- Information Record: MaxLoadTime --*/
+typedef struct hfa384x_MaxLoadTime
+{
+	UINT16	MaxLoadTime;
+} __WLAN_ATTRIB_PACK__ hfa384x_MaxLoadTime_t;
+
+/*-- Information Record: DownLoadBuffer --*/
+/* NOTE: The page and offset are in AUX format */
+typedef struct hfa384x_downloadbuffer
+{
+	UINT16	page;
+	UINT16	offset;
+	UINT16	len;
+} __WLAN_ATTRIB_PACK__ hfa384x_downloadbuffer_t;
+
+/*-- Information Record: PRIIdentity --*/
+typedef struct hfa384x_PRIIdentity
+{
+	UINT16	PRICompID;
+	UINT16	PRIVariant;
+	UINT16	PRIMajorVersion;
+	UINT16	PRIMinorVersion;
+} __WLAN_ATTRIB_PACK__ hfa384x_PRIIdentity_t;
+
+/*-- Information Record: PRISupRange --*/
+typedef struct hfa384x_PRISupRange
+{
+	UINT16	PRIRole;
+	UINT16	PRIID;
+	UINT16	PRIVariant;
+	UINT16	PRIBottom;
+	UINT16	PRITop;
+} __WLAN_ATTRIB_PACK__ hfa384x_PRISupRange_t;
+
+/*-- Information Record: CFIActRanges --*/
+typedef struct hfa384x_CFIActRanges
+{
+	UINT16	CFIRole;
+	UINT16	CFIID;
+	UINT16	CFIVariant;
+	UINT16	CFIBottom;
+	UINT16	CFITop;
+} __WLAN_ATTRIB_PACK__ hfa384x_CFIActRanges_t;
+
+/*-- Information Record: NICSerialNumber --*/
+typedef struct hfa384x_NICSerialNumber
+{
+	UINT8	NICSerialNumber[12];
+} __WLAN_ATTRIB_PACK__ hfa384x_NICSerialNumber_t;
+
+/*-- Information Record: NICIdentity --*/
+typedef struct hfa384x_NICIdentity
+{
+	UINT16	NICCompID;
+	UINT16	NICVariant;
+	UINT16	NICMajorVersion;
+	UINT16	NICMinorVersion;
+} __WLAN_ATTRIB_PACK__ hfa384x_NICIdentity_t;
+
+/*-- Information Record: MFISupRange --*/
+typedef struct hfa384x_MFISupRange
+{
+	UINT16	MFIRole;
+	UINT16	MFIID;
+	UINT16	MFIVariant;
+	UINT16	MFIBottom;
+	UINT16	MFITop;
+} __WLAN_ATTRIB_PACK__ hfa384x_MFISupRange_t;
+
+/*-- Information Record: CFISupRange --*/
+typedef struct hfa384x_CFISupRange
+{
+	UINT16	CFIRole;
+	UINT16	CFIID;
+	UINT16	CFIVariant;
+	UINT16	CFIBottom;
+	UINT16	CFITop;
+} __WLAN_ATTRIB_PACK__ hfa384x_CFISupRange_t;
+
+/*-- Information Record: BUILDSEQ:BuildSeq --*/
+typedef struct hfa384x_BuildSeq {
+	UINT16	primary;
+	UINT16	secondary;
+} __WLAN_ATTRIB_PACK__ hfa384x_BuildSeq_t;
+
+/*-- Information Record: FWID --*/
+#define HFA384x_FWID_LEN	14
+typedef struct hfa384x_FWID {
+	UINT8	primary[HFA384x_FWID_LEN];
+	UINT8	secondary[HFA384x_FWID_LEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_FWID_t;
+
+/*-- Information Record: ChannelList --*/
+typedef struct hfa384x_ChannelList
+{
+	UINT16	ChannelList;
+} __WLAN_ATTRIB_PACK__ hfa384x_ChannelList_t;
+
+/*-- Information Record: RegulatoryDomains --*/
+typedef struct hfa384x_RegulatoryDomains
+{
+	UINT8	RegulatoryDomains[12];
+} __WLAN_ATTRIB_PACK__ hfa384x_RegulatoryDomains_t;
+
+/*-- Information Record: TempType --*/
+typedef struct hfa384x_TempType
+{
+	UINT16	TempType;
+} __WLAN_ATTRIB_PACK__ hfa384x_TempType_t;
+
+/*-- Information Record: CIS --*/
+typedef struct hfa384x_CIS
+{
+	UINT8	CIS[480];
+} __WLAN_ATTRIB_PACK__ hfa384x_CIS_t;
+
+/*-- Information Record: STAIdentity --*/
+typedef struct hfa384x_STAIdentity
+{
+	UINT16	STACompID;
+	UINT16	STAVariant;
+	UINT16	STAMajorVersion;
+	UINT16	STAMinorVersion;
+} __WLAN_ATTRIB_PACK__ hfa384x_STAIdentity_t;
+
+/*-- Information Record: STASupRange --*/
+typedef struct hfa384x_STASupRange
+{
+	UINT16	STARole;
+	UINT16	STAID;
+	UINT16	STAVariant;
+	UINT16	STABottom;
+	UINT16	STATop;
+} __WLAN_ATTRIB_PACK__ hfa384x_STASupRange_t;
+
+/*-- Information Record: MFIActRanges --*/
+typedef struct hfa384x_MFIActRanges
+{
+	UINT16	MFIRole;
+	UINT16	MFIID;
+	UINT16	MFIVariant;
+	UINT16	MFIBottom;
+	UINT16	MFITop;
+} __WLAN_ATTRIB_PACK__ hfa384x_MFIActRanges_t;
+
+/*--------------------------------------------------------------------
+Information Record Structures: NIC Information
+--------------------------------------------------------------------*/
+
+/*-- Information Record: PortStatus --*/
+typedef struct hfa384x_PortStatus
+{
+	UINT16	PortStatus;
+} __WLAN_ATTRIB_PACK__ hfa384x_PortStatus_t;
+
+#define HFA384x_PSTATUS_DISABLED	((UINT16)1)
+#define HFA384x_PSTATUS_SEARCHING	((UINT16)2)
+#define HFA384x_PSTATUS_CONN_IBSS	((UINT16)3)
+#define HFA384x_PSTATUS_CONN_ESS	((UINT16)4)
+#define HFA384x_PSTATUS_OUTOFRANGE	((UINT16)5)
+#define HFA384x_PSTATUS_CONN_WDS	((UINT16)6)
+
+/*-- Information Record: CurrentSSID --*/
+typedef struct hfa384x_CurrentSSID
+{
+	UINT8	CurrentSSID[34];
+} __WLAN_ATTRIB_PACK__ hfa384x_CurrentSSID_t;
+
+/*-- Information Record: CurrentBSSID --*/
+typedef struct hfa384x_CurrentBSSID
+{
+	UINT8	CurrentBSSID[6];
+} __WLAN_ATTRIB_PACK__ hfa384x_CurrentBSSID_t;
+
+/*-- Information Record: commsquality --*/
+typedef struct hfa384x_commsquality
+{
+	UINT16	CQ_currBSS;
+	UINT16	ASL_currBSS;
+	UINT16	ANL_currFC;
+} __WLAN_ATTRIB_PACK__ hfa384x_commsquality_t;
+
+/*-- Information Record: dmbcommsquality --*/
+typedef struct hfa384x_dbmcommsquality
+{
+	UINT16	CQdbm_currBSS;
+	UINT16	ASLdbm_currBSS;
+	UINT16	ANLdbm_currFC;
+} __WLAN_ATTRIB_PACK__ hfa384x_dbmcommsquality_t;
+
+/*-- Information Record: CurrentTxRate --*/
+typedef struct hfa384x_CurrentTxRate
+{
+	UINT16	CurrentTxRate;
+} __WLAN_ATTRIB_PACK__ hfa384x_CurrentTxRate_t;
+
+/*-- Information Record: CurrentBeaconInterval --*/
+typedef struct hfa384x_CurrentBeaconInterval
+{
+	UINT16	CurrentBeaconInterval;
+} __WLAN_ATTRIB_PACK__ hfa384x_CurrentBeaconInterval_t;
+
+/*-- Information Record: CurrentScaleThresholds --*/
+typedef struct hfa384x_CurrentScaleThresholds
+{
+	UINT16	EnergyDetectThreshold;
+	UINT16	CarrierDetectThreshold;
+	UINT16	DeferDetectThreshold;
+	UINT16	CellSearchThreshold; /* Stations only */
+	UINT16	DeadSpotThreshold; /* Stations only */
+} __WLAN_ATTRIB_PACK__ hfa384x_CurrentScaleThresholds_t;
+
+/*-- Information Record: ProtocolRspTime --*/
+typedef struct hfa384x_ProtocolRspTime
+{
+	UINT16	ProtocolRspTime;
+} __WLAN_ATTRIB_PACK__ hfa384x_ProtocolRspTime_t;
+
+/*-- Information Record: ShortRetryLimit --*/
+typedef struct hfa384x_ShortRetryLimit
+{
+	UINT16	ShortRetryLimit;
+} __WLAN_ATTRIB_PACK__ hfa384x_ShortRetryLimit_t;
+
+/*-- Information Record: LongRetryLimit --*/
+typedef struct hfa384x_LongRetryLimit
+{
+	UINT16	LongRetryLimit;
+} __WLAN_ATTRIB_PACK__ hfa384x_LongRetryLimit_t;
+
+/*-- Information Record: MaxTransmitLifetime --*/
+typedef struct hfa384x_MaxTransmitLifetime
+{
+	UINT16	MaxTransmitLifetime;
+} __WLAN_ATTRIB_PACK__ hfa384x_MaxTransmitLifetime_t;
+
+/*-- Information Record: MaxReceiveLifetime --*/
+typedef struct hfa384x_MaxReceiveLifetime
+{
+	UINT16	MaxReceiveLifetime;
+} __WLAN_ATTRIB_PACK__ hfa384x_MaxReceiveLifetime_t;
+
+/*-- Information Record: CFPollable --*/
+typedef struct hfa384x_CFPollable
+{
+	UINT16	CFPollable;
+} __WLAN_ATTRIB_PACK__ hfa384x_CFPollable_t;
+
+/*-- Information Record: AuthenticationAlgorithms --*/
+typedef struct hfa384x_AuthenticationAlgorithms
+{
+	UINT16	AuthenticationType;
+	UINT16	TypeEnabled;
+} __WLAN_ATTRIB_PACK__ hfa384x_AuthenticationAlgorithms_t;
+
+/*-- Information Record: AuthenticationAlgorithms
+(data only --*/
+typedef struct hfa384x_AuthenticationAlgorithms_data
+{
+	UINT16	AuthenticationType;
+	UINT16	TypeEnabled;
+} __WLAN_ATTRIB_PACK__ hfa384x_AuthenticationAlgorithms_data_t;
+
+/*-- Information Record: PrivacyOptionImplemented --*/
+typedef struct hfa384x_PrivacyOptionImplemented
+{
+	UINT16	PrivacyOptionImplemented;
+} __WLAN_ATTRIB_PACK__ hfa384x_PrivacyOptionImplemented_t;
+
+/*-- Information Record: OwnMACAddress --*/
+typedef struct hfa384x_OwnMACAddress
+{
+	UINT8	OwnMACAddress[6];
+} __WLAN_ATTRIB_PACK__ hfa384x_OwnMACAddress_t;
+
+/*-- Information Record: PCFInfo --*/
+typedef struct hfa384x_PCFInfo
+{
+	UINT16	MediumOccupancyLimit;
+	UINT16	CFPPeriod;
+	UINT16	CFPMaxDuration;
+	UINT16	CFPFlags;
+} __WLAN_ATTRIB_PACK__ hfa384x_PCFInfo_t;
+
+/*-- Information Record: PCFInfo (data portion only) --*/
+typedef struct hfa384x_PCFInfo_data
+{
+	UINT16	MediumOccupancyLimit;
+	UINT16	CFPPeriod;
+	UINT16	CFPMaxDuration;
+	UINT16	CFPFlags;
+} __WLAN_ATTRIB_PACK__ hfa384x_PCFInfo_data_t;
+
+/*--------------------------------------------------------------------
+Information Record Structures: Modem Information Records
+--------------------------------------------------------------------*/
+
+/*-- Information Record: PHYType --*/
+typedef struct hfa384x_PHYType
+{
+	UINT16	PHYType;
+} __WLAN_ATTRIB_PACK__ hfa384x_PHYType_t;
+
+/*-- Information Record: CurrentChannel --*/
+typedef struct hfa384x_CurrentChannel
+{
+	UINT16	CurrentChannel;
+} __WLAN_ATTRIB_PACK__ hfa384x_CurrentChannel_t;
+
+/*-- Information Record: CurrentPowerState --*/
+typedef struct hfa384x_CurrentPowerState
+{
+	UINT16	CurrentPowerState;
+} __WLAN_ATTRIB_PACK__ hfa384x_CurrentPowerState_t;
+
+/*-- Information Record: CCAMode --*/
+typedef struct hfa384x_CCAMode
+{
+	UINT16	CCAMode;
+} __WLAN_ATTRIB_PACK__ hfa384x_CCAMode_t;
+
+/*-- Information Record: SupportedDataRates --*/
+typedef struct hfa384x_SupportedDataRates
+{
+	UINT8	SupportedDataRates[10];
+} __WLAN_ATTRIB_PACK__ hfa384x_SupportedDataRates_t;
+
+/*-- Information Record: LFOStatus --*/
+typedef struct hfa384x_LFOStatus
+{
+	UINT16  TestResults;
+	UINT16  LFOResult;
+	UINT16  VRHFOResult;
+} __WLAN_ATTRIB_PACK__ hfa384x_LFOStatus_t;
+
+#define HFA384x_TESTRESULT_ALLPASSED    BIT0
+#define HFA384x_TESTRESULT_LFO_FAIL     BIT1
+#define HFA384x_TESTRESULT_VR_HF0_FAIL  BIT2
+#define HFA384x_HOST_FIRM_COORDINATE    BIT7
+#define HFA384x_TESTRESULT_COORDINATE   BIT15
+
+/*-- Information Record: LEDControl --*/
+typedef struct hfa384x_LEDControl
+{
+	UINT16  searching_on;
+	UINT16  searching_off;
+	UINT16  assoc_on;
+	UINT16  assoc_off;
+	UINT16  activity;
+} __WLAN_ATTRIB_PACK__ hfa384x_LEDControl_t;
+
+/*--------------------------------------------------------------------
+                 FRAME DESCRIPTORS AND FRAME STRUCTURES
+
+FRAME DESCRIPTORS: Offsets
+
+----------------------------------------------------------------------
+Control Info (offset 44-51)
+--------------------------------------------------------------------*/
+#define		HFA384x_FD_STATUS_OFF			((UINT16)0x44)
+#define		HFA384x_FD_TIME_OFF			((UINT16)0x46)
+#define		HFA384x_FD_SWSUPPORT_OFF		((UINT16)0x4A)
+#define		HFA384x_FD_SILENCE_OFF			((UINT16)0x4A)
+#define		HFA384x_FD_SIGNAL_OFF			((UINT16)0x4B)
+#define		HFA384x_FD_RATE_OFF			((UINT16)0x4C)
+#define		HFA384x_FD_RXFLOW_OFF			((UINT16)0x4D)
+#define		HFA384x_FD_RESERVED_OFF			((UINT16)0x4E)
+#define		HFA384x_FD_TXCONTROL_OFF		((UINT16)0x50)
+/*--------------------------------------------------------------------
+802.11 Header (offset 52-6B)
+--------------------------------------------------------------------*/
+#define		HFA384x_FD_FRAMECONTROL_OFF		((UINT16)0x52)
+#define		HFA384x_FD_DURATIONID_OFF		((UINT16)0x54)
+#define		HFA384x_FD_ADDRESS1_OFF			((UINT16)0x56)
+#define		HFA384x_FD_ADDRESS2_OFF			((UINT16)0x5C)
+#define		HFA384x_FD_ADDRESS3_OFF			((UINT16)0x62)
+#define		HFA384x_FD_SEQCONTROL_OFF		((UINT16)0x68)
+#define		HFA384x_FD_ADDRESS4_OFF			((UINT16)0x6A)
+#define		HFA384x_FD_DATALEN_OFF			((UINT16)0x70)
+/*--------------------------------------------------------------------
+802.3 Header (offset 72-7F)
+--------------------------------------------------------------------*/
+#define		HFA384x_FD_DESTADDRESS_OFF		((UINT16)0x72)
+#define		HFA384x_FD_SRCADDRESS_OFF		((UINT16)0x78)
+#define		HFA384x_FD_DATALENGTH_OFF		((UINT16)0x7E)
+
+/*--------------------------------------------------------------------
+FRAME STRUCTURES: Communication Frames
+----------------------------------------------------------------------
+Communication Frames: Transmit Frames
+--------------------------------------------------------------------*/
+/*-- Communication Frame: Transmit Frame Structure --*/
+typedef struct hfa384x_tx_frame
+{
+	UINT16	status;
+	UINT16	reserved1;
+	UINT16	reserved2;
+	UINT32	sw_support;
+	UINT8	tx_retrycount;
+	UINT8   tx_rate;
+	UINT16	tx_control;
+
+	/*-- 802.11 Header Information --*/
+
+	UINT16	frame_control;
+	UINT16	duration_id;
+	UINT8	address1[6];
+	UINT8	address2[6];
+	UINT8	address3[6];
+	UINT16	sequence_control;
+	UINT8	address4[6];
+	UINT16	data_len; /* little endian format */
+
+	/*-- 802.3 Header Information --*/
+
+	UINT8	dest_addr[6];
+	UINT8	src_addr[6];
+	UINT16	data_length; /* big endian format */
+} __WLAN_ATTRIB_PACK__ hfa384x_tx_frame_t;
+/*--------------------------------------------------------------------
+Communication Frames: Field Masks for Transmit Frames
+--------------------------------------------------------------------*/
+/*-- Status Field --*/
+#define		HFA384x_TXSTATUS_ACKERR			((UINT16)BIT5)
+#define		HFA384x_TXSTATUS_FORMERR		((UINT16)BIT3)
+#define		HFA384x_TXSTATUS_DISCON			((UINT16)BIT2)
+#define		HFA384x_TXSTATUS_AGEDERR		((UINT16)BIT1)
+#define		HFA384x_TXSTATUS_RETRYERR		((UINT16)BIT0)
+/*-- Transmit Control Field --*/
+#define		HFA384x_TX_CFPOLL			((UINT16)BIT12)
+#define		HFA384x_TX_PRST				((UINT16)BIT11)
+#define		HFA384x_TX_MACPORT			((UINT16)(BIT10 | BIT9 | BIT8))
+#define		HFA384x_TX_NOENCRYPT			((UINT16)BIT7)
+#define		HFA384x_TX_RETRYSTRAT			((UINT16)(BIT6 | BIT5))
+#define		HFA384x_TX_STRUCTYPE			((UINT16)(BIT4 | BIT3))
+#define		HFA384x_TX_TXEX				((UINT16)BIT2)
+#define		HFA384x_TX_TXOK				((UINT16)BIT1)
+/*--------------------------------------------------------------------
+Communication Frames: Test/Get/Set Field Values for Transmit Frames
+--------------------------------------------------------------------*/
+/*-- Status Field --*/
+#define HFA384x_TXSTATUS_ISERROR(v)	\
+	(((UINT16)(v))&\
+	(HFA384x_TXSTATUS_ACKERR|HFA384x_TXSTATUS_FORMERR|\
+	HFA384x_TXSTATUS_DISCON|HFA384x_TXSTATUS_AGEDERR|\
+	HFA384x_TXSTATUS_RETRYERR))
+
+#define	HFA384x_TXSTATUS_ISACKERR(v)	((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_ACKERR))
+#define	HFA384x_TXSTATUS_ISFORMERR(v)	((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_FORMERR))
+#define	HFA384x_TXSTATUS_ISDISCON(v)	((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_DISCON))
+#define	HFA384x_TXSTATUS_ISAGEDERR(v)	((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_AGEDERR))
+#define	HFA384x_TXSTATUS_ISRETRYERR(v)	((UINT16)(((UINT16)(v)) & HFA384x_TXSTATUS_RETRYERR))
+
+#define	HFA384x_TX_GET(v,m,s)		((((UINT16)(v))&((UINT16)(m)))>>((UINT16)(s)))
+#define	HFA384x_TX_SET(v,m,s)		((((UINT16)(v))<<((UINT16)(s)))&((UINT16)(m)))
+
+#define	HFA384x_TX_CFPOLL_GET(v)	HFA384x_TX_GET(v, HFA384x_TX_CFPOLL,12)
+#define	HFA384x_TX_CFPOLL_SET(v)	HFA384x_TX_SET(v, HFA384x_TX_CFPOLL,12)
+#define	HFA384x_TX_PRST_GET(v)		HFA384x_TX_GET(v, HFA384x_TX_PRST,11)
+#define	HFA384x_TX_PRST_SET(v)		HFA384x_TX_SET(v, HFA384x_TX_PRST,11)
+#define	HFA384x_TX_MACPORT_GET(v)	HFA384x_TX_GET(v, HFA384x_TX_MACPORT, 8)
+#define	HFA384x_TX_MACPORT_SET(v)	HFA384x_TX_SET(v, HFA384x_TX_MACPORT, 8)
+#define	HFA384x_TX_NOENCRYPT_GET(v)	HFA384x_TX_GET(v, HFA384x_TX_NOENCRYPT, 7)
+#define	HFA384x_TX_NOENCRYPT_SET(v)	HFA384x_TX_SET(v, HFA384x_TX_NOENCRYPT, 7)
+#define	HFA384x_TX_RETRYSTRAT_GET(v)	HFA384x_TX_GET(v, HFA384x_TX_RETRYSTRAT, 5)
+#define	HFA384x_TX_RETRYSTRAT_SET(v)	HFA384x_TX_SET(v, HFA384x_TX_RETRYSTRAT, 5)
+#define	HFA384x_TX_STRUCTYPE_GET(v)	HFA384x_TX_GET(v, HFA384x_TX_STRUCTYPE, 3)
+#define	HFA384x_TX_STRUCTYPE_SET(v)	HFA384x_TX_SET(v, HFA384x_TX_STRUCTYPE, 3)
+#define	HFA384x_TX_TXEX_GET(v)		HFA384x_TX_GET(v, HFA384x_TX_TXEX, 2)
+#define	HFA384x_TX_TXEX_SET(v)		HFA384x_TX_SET(v, HFA384x_TX_TXEX, 2)
+#define	HFA384x_TX_TXOK_GET(v)		HFA384x_TX_GET(v, HFA384x_TX_TXOK, 1)
+#define	HFA384x_TX_TXOK_SET(v)		HFA384x_TX_SET(v, HFA384x_TX_TXOK, 1)
+/*--------------------------------------------------------------------
+Communication Frames: Receive Frames
+--------------------------------------------------------------------*/
+/*-- Communication Frame: Receive Frame Structure --*/
+typedef struct hfa384x_rx_frame
+{
+	/*-- MAC rx descriptor (hfa384x byte order) --*/
+	UINT16	status;
+	UINT32	time;
+	UINT8	silence;
+	UINT8	signal;
+	UINT8	rate;
+	UINT8	rx_flow;
+	UINT16	reserved1;
+	UINT16	reserved2;
+
+	/*-- 802.11 Header Information (802.11 byte order) --*/
+	UINT16	frame_control;
+	UINT16	duration_id;
+	UINT8	address1[6];
+	UINT8	address2[6];
+	UINT8	address3[6];
+	UINT16	sequence_control;
+	UINT8	address4[6];
+	UINT16	data_len; /* hfa384x (little endian) format */
+
+	/*-- 802.3 Header Information --*/
+	UINT8	dest_addr[6];
+	UINT8	src_addr[6];
+	UINT16	data_length; /* IEEE? (big endian) format */
+} __WLAN_ATTRIB_PACK__ hfa384x_rx_frame_t;
+/*--------------------------------------------------------------------
+Communication Frames: Field Masks for Receive Frames
+--------------------------------------------------------------------*/
+/*-- Offsets --------*/
+#define		HFA384x_RX_DATA_LEN_OFF			((UINT16)44)
+#define		HFA384x_RX_80211HDR_OFF			((UINT16)14)
+#define		HFA384x_RX_DATA_OFF			((UINT16)60)
+
+/*-- Status Fields --*/
+#define		HFA384x_RXSTATUS_MSGTYPE		((UINT16)(BIT15 | BIT14 | BIT13))
+#define		HFA384x_RXSTATUS_MACPORT		((UINT16)(BIT10 | BIT9 | BIT8))
+#define		HFA384x_RXSTATUS_UNDECR			((UINT16)BIT1)
+#define		HFA384x_RXSTATUS_FCSERR			((UINT16)BIT0)
+/*--------------------------------------------------------------------
+Communication Frames: Test/Get/Set Field Values for Receive Frames
+--------------------------------------------------------------------*/
+#define		HFA384x_RXSTATUS_MSGTYPE_GET(value)	((UINT16)((((UINT16)(value)) & HFA384x_RXSTATUS_MSGTYPE) >> 13))
+#define		HFA384x_RXSTATUS_MSGTYPE_SET(value)	((UINT16)(((UINT16)(value)) << 13))
+#define		HFA384x_RXSTATUS_MACPORT_GET(value)	((UINT16)((((UINT16)(value)) & HFA384x_RXSTATUS_MACPORT) >> 8))
+#define		HFA384x_RXSTATUS_MACPORT_SET(value)	((UINT16)(((UINT16)(value)) << 8))
+#define		HFA384x_RXSTATUS_ISUNDECR(value)	((UINT16)(((UINT16)(value)) & HFA384x_RXSTATUS_UNDECR))
+#define		HFA384x_RXSTATUS_ISFCSERR(value)	((UINT16)(((UINT16)(value)) & HFA384x_RXSTATUS_FCSERR))
+/*--------------------------------------------------------------------
+ FRAME STRUCTURES: Information Types and Information Frame Structures
+----------------------------------------------------------------------
+Information Types
+--------------------------------------------------------------------*/
+#define		HFA384x_IT_HANDOVERADDR			((UINT16)0xF000UL)
+#define		HFA384x_IT_HANDOVERDEAUTHADDRESS	((UINT16)0xF001UL)//AP 1.3.7
+#define		HFA384x_IT_COMMTALLIES			((UINT16)0xF100UL)
+#define		HFA384x_IT_SCANRESULTS			((UINT16)0xF101UL)
+#define		HFA384x_IT_CHINFORESULTS		((UINT16)0xF102UL)
+#define		HFA384x_IT_HOSTSCANRESULTS		((UINT16)0xF103UL)
+#define		HFA384x_IT_LINKSTATUS			((UINT16)0xF200UL)
+#define		HFA384x_IT_ASSOCSTATUS			((UINT16)0xF201UL)
+#define		HFA384x_IT_AUTHREQ			((UINT16)0xF202UL)
+#define		HFA384x_IT_PSUSERCNT			((UINT16)0xF203UL)
+#define		HFA384x_IT_KEYIDCHANGED			((UINT16)0xF204UL)
+#define		HFA384x_IT_ASSOCREQ    			((UINT16)0xF205UL)
+#define		HFA384x_IT_MICFAILURE  			((UINT16)0xF206UL)
+
+/*--------------------------------------------------------------------
+Information Frames Structures
+----------------------------------------------------------------------
+Information Frames: Notification Frame Structures
+--------------------------------------------------------------------*/
+/*--  Notification Frame,MAC Mgmt: Handover Address --*/
+typedef struct hfa384x_HandoverAddr
+{
+	UINT16	framelen;
+	UINT16	infotype;
+	UINT8	handover_addr[WLAN_BSSID_LEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_HandoverAddr_t;
+
+/*--  Inquiry Frame, Diagnose: Communication Tallies --*/
+typedef struct hfa384x_CommTallies16
+{
+	UINT16	txunicastframes;
+	UINT16	txmulticastframes;
+	UINT16	txfragments;
+	UINT16	txunicastoctets;
+	UINT16	txmulticastoctets;
+	UINT16	txdeferredtrans;
+	UINT16	txsingleretryframes;
+	UINT16	txmultipleretryframes;
+	UINT16	txretrylimitexceeded;
+	UINT16	txdiscards;
+	UINT16	rxunicastframes;
+	UINT16	rxmulticastframes;
+	UINT16	rxfragments;
+	UINT16	rxunicastoctets;
+	UINT16	rxmulticastoctets;
+	UINT16	rxfcserrors;
+	UINT16	rxdiscardsnobuffer;
+	UINT16	txdiscardswrongsa;
+	UINT16	rxdiscardswepundecr;
+	UINT16	rxmsginmsgfrag;
+	UINT16	rxmsginbadmsgfrag;
+} __WLAN_ATTRIB_PACK__ hfa384x_CommTallies16_t;
+
+typedef struct hfa384x_CommTallies32
+{
+	UINT32	txunicastframes;
+	UINT32	txmulticastframes;
+	UINT32	txfragments;
+	UINT32	txunicastoctets;
+	UINT32	txmulticastoctets;
+	UINT32	txdeferredtrans;
+	UINT32	txsingleretryframes;
+	UINT32	txmultipleretryframes;
+	UINT32	txretrylimitexceeded;
+	UINT32	txdiscards;
+	UINT32	rxunicastframes;
+	UINT32	rxmulticastframes;
+	UINT32	rxfragments;
+	UINT32	rxunicastoctets;
+	UINT32	rxmulticastoctets;
+	UINT32	rxfcserrors;
+	UINT32	rxdiscardsnobuffer;
+	UINT32	txdiscardswrongsa;
+	UINT32	rxdiscardswepundecr;
+	UINT32	rxmsginmsgfrag;
+	UINT32	rxmsginbadmsgfrag;
+} __WLAN_ATTRIB_PACK__ hfa384x_CommTallies32_t;
+
+/*--  Inquiry Frame, Diagnose: Scan Results & Subfields--*/
+typedef struct hfa384x_ScanResultSub
+{
+	UINT16	chid;
+	UINT16	anl;
+	UINT16	sl;
+	UINT8	bssid[WLAN_BSSID_LEN];
+	UINT16	bcnint;
+	UINT16	capinfo;
+	hfa384x_bytestr32_t	ssid;
+	UINT8	supprates[10]; /* 802.11 info element */
+	UINT16	proberesp_rate;
+} __WLAN_ATTRIB_PACK__ hfa384x_ScanResultSub_t;
+
+typedef struct hfa384x_ScanResult
+{
+	UINT16	rsvd;
+	UINT16	scanreason;
+	hfa384x_ScanResultSub_t
+		result[HFA384x_SCANRESULT_MAX];
+} __WLAN_ATTRIB_PACK__ hfa384x_ScanResult_t;
+
+/*--  Inquiry Frame, Diagnose: ChInfo Results & Subfields--*/
+typedef struct hfa384x_ChInfoResultSub
+{
+	UINT16	chid;
+	UINT16	anl;
+	UINT16	pnl;
+	UINT16	active;
+} __WLAN_ATTRIB_PACK__ hfa384x_ChInfoResultSub_t;
+
+#define HFA384x_CHINFORESULT_BSSACTIVE	BIT0
+#define HFA384x_CHINFORESULT_PCFACTIVE	BIT1
+
+typedef struct hfa384x_ChInfoResult
+{
+	UINT16	scanchannels;
+	hfa384x_ChInfoResultSub_t
+		result[HFA384x_CHINFORESULT_MAX];
+} __WLAN_ATTRIB_PACK__ hfa384x_ChInfoResult_t;
+
+/*--  Inquiry Frame, Diagnose: Host Scan Results & Subfields--*/
+typedef struct hfa384x_HScanResultSub
+{
+	UINT16	chid;
+	UINT16	anl;
+	UINT16	sl;
+	UINT8	bssid[WLAN_BSSID_LEN];
+	UINT16	bcnint;
+	UINT16	capinfo;
+	hfa384x_bytestr32_t	ssid;
+	UINT8	supprates[10]; /* 802.11 info element */
+	UINT16	proberesp_rate;
+	UINT16	atim;
+} __WLAN_ATTRIB_PACK__ hfa384x_HScanResultSub_t;
+
+typedef struct hfa384x_HScanResult
+{
+	UINT16	nresult;
+	UINT16	rsvd;
+	hfa384x_HScanResultSub_t
+		result[HFA384x_HSCANRESULT_MAX];
+} __WLAN_ATTRIB_PACK__ hfa384x_HScanResult_t;
+
+/*--  Unsolicited Frame, MAC Mgmt: LinkStatus --*/
+
+#define HFA384x_LINK_NOTCONNECTED	((UINT16)0)
+#define HFA384x_LINK_CONNECTED		((UINT16)1)
+#define HFA384x_LINK_DISCONNECTED	((UINT16)2)
+#define HFA384x_LINK_AP_CHANGE		((UINT16)3)
+#define HFA384x_LINK_AP_OUTOFRANGE	((UINT16)4)
+#define HFA384x_LINK_AP_INRANGE		((UINT16)5)
+#define HFA384x_LINK_ASSOCFAIL		((UINT16)6)
+
+typedef struct hfa384x_LinkStatus
+{
+	UINT16	linkstatus;
+} __WLAN_ATTRIB_PACK__ hfa384x_LinkStatus_t;
+
+
+/*--  Unsolicited Frame, MAC Mgmt: AssociationStatus (--*/
+
+#define HFA384x_ASSOCSTATUS_STAASSOC	((UINT16)1)
+#define HFA384x_ASSOCSTATUS_REASSOC	((UINT16)2)
+#define HFA384x_ASSOCSTATUS_DISASSOC	((UINT16)3)
+#define HFA384x_ASSOCSTATUS_ASSOCFAIL	((UINT16)4)
+#define HFA384x_ASSOCSTATUS_AUTHFAIL	((UINT16)5)
+
+typedef struct hfa384x_AssocStatus
+{
+	UINT16	assocstatus;
+	UINT8	sta_addr[WLAN_ADDR_LEN];
+	/* old_ap_addr is only valid if assocstatus == 2 */
+	UINT8	old_ap_addr[WLAN_ADDR_LEN];
+	UINT16	reason;
+	UINT16	reserved;
+} __WLAN_ATTRIB_PACK__ hfa384x_AssocStatus_t;
+
+/*--  Unsolicited Frame, MAC Mgmt: AuthRequest (AP Only) --*/
+
+typedef struct hfa384x_AuthRequest
+{
+	UINT8	sta_addr[WLAN_ADDR_LEN];
+	UINT16	algorithm;
+} __WLAN_ATTRIB_PACK__ hfa384x_AuthReq_t;
+
+/*--  Unsolicited Frame, MAC Mgmt: AssocRequest (AP Only) --*/
+
+typedef struct hfa384x_AssocRequest
+{
+	UINT8	sta_addr[WLAN_ADDR_LEN];
+	UINT16	type;
+	UINT8   wpa_data[80];
+} __WLAN_ATTRIB_PACK__ hfa384x_AssocReq_t;
+
+
+#define HFA384x_ASSOCREQ_TYPE_ASSOC     0
+#define HFA384x_ASSOCREQ_TYPE_REASSOC   1
+
+/*--  Unsolicited Frame, MAC Mgmt: MIC Failure  (AP Only) --*/
+
+typedef struct hfa384x_MicFailure
+{
+	UINT8	sender[WLAN_ADDR_LEN];
+	UINT8	dest[WLAN_ADDR_LEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_MicFailure_t;
+
+/*--  Unsolicited Frame, MAC Mgmt: PSUserCount (AP Only) --*/
+
+typedef struct hfa384x_PSUserCount
+{
+	UINT16	usercnt;
+} __WLAN_ATTRIB_PACK__ hfa384x_PSUserCount_t;
+
+typedef struct hfa384x_KeyIDChanged
+{
+	UINT8	sta_addr[WLAN_ADDR_LEN];
+	UINT16	keyid;
+} __WLAN_ATTRIB_PACK__ hfa384x_KeyIDChanged_t;
+
+/*--  Collection of all Inf frames ---------------*/
+typedef union hfa384x_infodata {
+	hfa384x_CommTallies16_t	commtallies16;
+	hfa384x_CommTallies32_t	commtallies32;
+	hfa384x_ScanResult_t	scanresult;
+	hfa384x_ChInfoResult_t	chinforesult;
+	hfa384x_HScanResult_t	hscanresult;
+	hfa384x_LinkStatus_t	linkstatus;
+	hfa384x_AssocStatus_t	assocstatus;
+	hfa384x_AuthReq_t	authreq;
+	hfa384x_PSUserCount_t	psusercnt;
+	hfa384x_KeyIDChanged_t  keyidchanged;
+} __WLAN_ATTRIB_PACK__ hfa384x_infodata_t;
+
+typedef struct hfa384x_InfFrame
+{
+	UINT16			framelen;
+	UINT16			infotype;
+	hfa384x_infodata_t	info;
+} __WLAN_ATTRIB_PACK__ hfa384x_InfFrame_t;
+
+#if (WLAN_HOSTIF == WLAN_USB)
+/*--------------------------------------------------------------------
+USB Packet structures and constants.
+--------------------------------------------------------------------*/
+
+/* Should be sent to the ctrlout endpoint */
+#define HFA384x_USB_ENBULKIN	6
+
+/* Should be sent to the bulkout endpoint */
+#define HFA384x_USB_TXFRM	0
+#define HFA384x_USB_CMDREQ	1
+#define HFA384x_USB_WRIDREQ	2
+#define HFA384x_USB_RRIDREQ	3
+#define HFA384x_USB_WMEMREQ	4
+#define HFA384x_USB_RMEMREQ	5
+
+/* Received from the bulkin endpoint */
+#define HFA384x_USB_ISFRM(a)	(!((a) & 0x8000))
+#define HFA384x_USB_ISTXFRM(a)	(((a) & 0x9000) == 0x1000)
+#define HFA384x_USB_ISRXFRM(a)	(!((a) & 0x9000))
+#define HFA384x_USB_INFOFRM	0x8000
+#define HFA384x_USB_CMDRESP	0x8001
+#define HFA384x_USB_WRIDRESP	0x8002
+#define HFA384x_USB_RRIDRESP	0x8003
+#define HFA384x_USB_WMEMRESP	0x8004
+#define HFA384x_USB_RMEMRESP	0x8005
+#define HFA384x_USB_BUFAVAIL	0x8006
+#define HFA384x_USB_ERROR	0x8007
+
+/*------------------------------------*/
+/* Request (bulk OUT) packet contents */
+
+typedef struct hfa384x_usb_txfrm {
+	hfa384x_tx_frame_t	desc;
+	UINT8			data[WLAN_DATA_MAXLEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_txfrm_t;
+
+typedef struct hfa384x_usb_cmdreq {
+	UINT16		type;
+	UINT16		cmd;
+	UINT16		parm0;
+	UINT16		parm1;
+	UINT16		parm2;
+	UINT8		pad[54];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_cmdreq_t;
+
+typedef struct hfa384x_usb_wridreq {
+	UINT16		type;
+	UINT16		frmlen;
+	UINT16		rid;
+	UINT8		data[HFA384x_RIDDATA_MAXLEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_wridreq_t;
+
+typedef struct hfa384x_usb_rridreq {
+	UINT16		type;
+	UINT16		frmlen;
+	UINT16		rid;
+	UINT8		pad[58];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_rridreq_t;
+
+typedef struct hfa384x_usb_wmemreq {
+	UINT16		type;
+	UINT16		frmlen;
+	UINT16		offset;
+	UINT16		page;
+	UINT8		data[HFA384x_USB_RWMEM_MAXLEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_wmemreq_t;
+
+typedef struct hfa384x_usb_rmemreq {
+	UINT16		type;
+	UINT16		frmlen;
+	UINT16		offset;
+	UINT16		page;
+	UINT8		pad[56];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_rmemreq_t;
+
+/*------------------------------------*/
+/* Response (bulk IN) packet contents */
+
+typedef struct hfa384x_usb_rxfrm {
+	hfa384x_rx_frame_t	desc;
+	UINT8			data[WLAN_DATA_MAXLEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_rxfrm_t;
+
+typedef struct hfa384x_usb_infofrm {
+	UINT16			type;
+	hfa384x_InfFrame_t	info;
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_infofrm_t;
+
+typedef struct hfa384x_usb_statusresp {
+	UINT16		type;
+	UINT16		status;
+	UINT16		resp0;
+	UINT16		resp1;
+	UINT16		resp2;
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_cmdresp_t;
+
+typedef hfa384x_usb_cmdresp_t hfa384x_usb_wridresp_t;
+
+typedef struct hfa384x_usb_rridresp {
+	UINT16		type;
+	UINT16		frmlen;
+	UINT16		rid;
+	UINT8		data[HFA384x_RIDDATA_MAXLEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_rridresp_t;
+
+typedef hfa384x_usb_cmdresp_t hfa384x_usb_wmemresp_t;
+
+typedef struct hfa384x_usb_rmemresp {
+	UINT16		type;
+	UINT16		frmlen;
+	UINT8		data[HFA384x_USB_RWMEM_MAXLEN];
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_rmemresp_t;
+
+typedef struct hfa384x_usb_bufavail {
+	UINT16		type;
+	UINT16		frmlen;
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_bufavail_t;
+
+typedef struct hfa384x_usb_error {
+	UINT16		type;
+	UINT16		errortype;
+} __WLAN_ATTRIB_PACK__ hfa384x_usb_error_t;
+
+/*----------------------------------------------------------*/
+/* Unions for packaging all the known packet types together */
+
+typedef union hfa384x_usbout {
+	UINT16			type;
+	hfa384x_usb_txfrm_t	txfrm;
+	hfa384x_usb_cmdreq_t	cmdreq;
+	hfa384x_usb_wridreq_t	wridreq;
+	hfa384x_usb_rridreq_t	rridreq;
+	hfa384x_usb_wmemreq_t	wmemreq;
+	hfa384x_usb_rmemreq_t	rmemreq;
+} __WLAN_ATTRIB_PACK__ hfa384x_usbout_t;
+
+typedef union hfa384x_usbin {
+	UINT16			type;
+	hfa384x_usb_rxfrm_t	rxfrm;
+	hfa384x_usb_txfrm_t	txfrm;
+	hfa384x_usb_infofrm_t	infofrm;
+	hfa384x_usb_cmdresp_t	cmdresp;
+	hfa384x_usb_wridresp_t	wridresp;
+	hfa384x_usb_rridresp_t	rridresp;
+	hfa384x_usb_wmemresp_t	wmemresp;
+	hfa384x_usb_rmemresp_t	rmemresp;
+	hfa384x_usb_bufavail_t	bufavail;
+	hfa384x_usb_error_t	usberror;
+	UINT8			boguspad[3000];
+} __WLAN_ATTRIB_PACK__ hfa384x_usbin_t;
+
+#endif /* WLAN_USB */
+
+/*--------------------------------------------------------------------
+PD record structures.
+--------------------------------------------------------------------*/
+
+typedef struct hfa384x_pdr_pcb_partnum
+{
+	UINT8	num[8];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_pcb_partnum_t;
+
+typedef struct hfa384x_pdr_pcb_tracenum
+{
+	UINT8	num[8];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_pcb_tracenum_t;
+
+typedef struct hfa384x_pdr_nic_serial
+{
+	UINT8	num[12];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nic_serial_t;
+
+typedef struct hfa384x_pdr_mkk_measurements
+{
+	double	carrier_freq;
+	double	occupied_band;
+	double	power_density;
+	double	tx_spur_f1;
+	double	tx_spur_f2;
+	double	tx_spur_f3;
+	double	tx_spur_f4;
+	double	tx_spur_l1;
+	double	tx_spur_l2;
+	double	tx_spur_l3;
+	double	tx_spur_l4;
+	double	rx_spur_f1;
+	double	rx_spur_f2;
+	double	rx_spur_l1;
+	double	rx_spur_l2;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mkk_measurements_t;
+
+typedef struct hfa384x_pdr_nic_ramsize
+{
+	UINT8	size[12]; /* units of KB */
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nic_ramsize_t;
+
+typedef struct hfa384x_pdr_mfisuprange
+{
+	UINT16	id;
+	UINT16	variant;
+	UINT16	bottom;
+	UINT16	top;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mfisuprange_t;
+
+typedef struct hfa384x_pdr_cfisuprange
+{
+	UINT16	id;
+	UINT16	variant;
+	UINT16	bottom;
+	UINT16	top;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_cfisuprange_t;
+
+typedef struct hfa384x_pdr_nicid
+{
+	UINT16	id;
+	UINT16	variant;
+	UINT16	major;
+	UINT16	minor;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nicid_t;
+
+
+typedef struct hfa384x_pdr_refdac_measurements
+{
+	UINT16	value[0];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_refdac_measurements_t;
+
+typedef struct hfa384x_pdr_vgdac_measurements
+{
+	UINT16	value[0];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_vgdac_measurements_t;
+
+typedef struct hfa384x_pdr_level_comp_measurements
+{
+	UINT16	value[0];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_level_compc_measurements_t;
+
+typedef struct hfa384x_pdr_mac_address
+{
+	UINT8	addr[6];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mac_address_t;
+
+typedef struct hfa384x_pdr_mkk_callname
+{
+	UINT8	callname[8];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_mkk_callname_t;
+
+typedef struct hfa384x_pdr_regdomain
+{
+	UINT16	numdomains;
+	UINT16	domain[5];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_regdomain_t;
+
+typedef struct hfa384x_pdr_allowed_channel
+{
+	UINT16	ch_bitmap;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_allowed_channel_t;
+
+typedef struct hfa384x_pdr_default_channel
+{
+	UINT16	channel;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_default_channel_t;
+
+typedef struct hfa384x_pdr_privacy_option
+{
+	UINT16	available;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_privacy_option_t;
+
+typedef struct hfa384x_pdr_temptype
+{
+	UINT16	type;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_temptype_t;
+
+typedef struct hfa384x_pdr_refdac_setup
+{
+	UINT16	ch_value[14];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_refdac_setup_t;
+
+typedef struct hfa384x_pdr_vgdac_setup
+{
+	UINT16	ch_value[14];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_vgdac_setup_t;
+
+typedef struct hfa384x_pdr_level_comp_setup
+{
+	UINT16	ch_value[14];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_level_comp_setup_t;
+
+typedef struct hfa384x_pdr_trimdac_setup
+{
+	UINT16	trimidac;
+	UINT16	trimqdac;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_trimdac_setup_t;
+
+typedef struct hfa384x_pdr_ifr_setting
+{
+	UINT16	value[3];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_ifr_setting_t;
+
+typedef struct hfa384x_pdr_rfr_setting
+{
+	UINT16	value[3];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_rfr_setting_t;
+
+typedef struct hfa384x_pdr_hfa3861_baseline
+{
+	UINT16	value[50];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_baseline_t;
+
+typedef struct hfa384x_pdr_hfa3861_shadow
+{
+	UINT32	value[32];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_shadow_t;
+
+typedef struct hfa384x_pdr_hfa3861_ifrf
+{
+	UINT32	value[20];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_ifrf_t;
+
+typedef struct hfa384x_pdr_hfa3861_chcalsp
+{
+	UINT16	value[14];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_chcalsp_t;
+
+typedef struct hfa384x_pdr_hfa3861_chcali
+{
+	UINT16	value[17];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_chcali_t;
+
+typedef struct hfa384x_pdr_hfa3861_nic_config
+{
+	UINT16	config_bitmap;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_nic_config_t;
+
+typedef struct hfa384x_pdr_hfo_delay
+{
+	UINT8   hfo_delay;
+} __WLAN_ATTRIB_PACK__ hfa384x_hfo_delay_t;
+
+typedef struct hfa384x_pdr_hfa3861_manf_testsp
+{
+	UINT16	value[30];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_manf_testsp_t;
+
+typedef struct hfa384x_pdr_hfa3861_manf_testi
+{
+	UINT16	value[30];
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_hfa3861_manf_testi_t;
+
+typedef struct hfa384x_end_of_pda
+{
+	UINT16	crc;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdr_end_of_pda_t;
+
+typedef struct hfa384x_pdrec
+{
+	UINT16	len; /* in words */
+	UINT16	code;
+	union pdr {
+	hfa384x_pdr_pcb_partnum_t	pcb_partnum;
+	hfa384x_pdr_pcb_tracenum_t	pcb_tracenum;
+	hfa384x_pdr_nic_serial_t	nic_serial;
+	hfa384x_pdr_mkk_measurements_t	mkk_measurements;
+	hfa384x_pdr_nic_ramsize_t	nic_ramsize;
+	hfa384x_pdr_mfisuprange_t	mfisuprange;
+	hfa384x_pdr_cfisuprange_t	cfisuprange;
+	hfa384x_pdr_nicid_t		nicid;
+	hfa384x_pdr_refdac_measurements_t	refdac_measurements;
+	hfa384x_pdr_vgdac_measurements_t	vgdac_measurements;
+	hfa384x_pdr_level_compc_measurements_t	level_compc_measurements;
+	hfa384x_pdr_mac_address_t	mac_address;
+	hfa384x_pdr_mkk_callname_t	mkk_callname;
+	hfa384x_pdr_regdomain_t		regdomain;
+	hfa384x_pdr_allowed_channel_t	allowed_channel;
+	hfa384x_pdr_default_channel_t	default_channel;
+	hfa384x_pdr_privacy_option_t	privacy_option;
+	hfa384x_pdr_temptype_t		temptype;
+	hfa384x_pdr_refdac_setup_t	refdac_setup;
+	hfa384x_pdr_vgdac_setup_t	vgdac_setup;
+	hfa384x_pdr_level_comp_setup_t	level_comp_setup;
+	hfa384x_pdr_trimdac_setup_t	trimdac_setup;
+	hfa384x_pdr_ifr_setting_t	ifr_setting;
+	hfa384x_pdr_rfr_setting_t	rfr_setting;
+	hfa384x_pdr_hfa3861_baseline_t	hfa3861_baseline;
+	hfa384x_pdr_hfa3861_shadow_t	hfa3861_shadow;
+	hfa384x_pdr_hfa3861_ifrf_t	hfa3861_ifrf;
+	hfa384x_pdr_hfa3861_chcalsp_t	hfa3861_chcalsp;
+	hfa384x_pdr_hfa3861_chcali_t	hfa3861_chcali;
+	hfa384x_pdr_nic_config_t	nic_config;
+	hfa384x_hfo_delay_t             hfo_delay;
+	hfa384x_pdr_hfa3861_manf_testsp_t	hfa3861_manf_testsp;
+	hfa384x_pdr_hfa3861_manf_testi_t	hfa3861_manf_testi;
+	hfa384x_pdr_end_of_pda_t	end_of_pda;
+
+	} data;
+} __WLAN_ATTRIB_PACK__ hfa384x_pdrec_t;
+
+
+#ifdef __KERNEL__
+/*--------------------------------------------------------------------
+---  MAC state structure, argument to all functions --
+---  Also, a collection of support types --
+--------------------------------------------------------------------*/
+typedef struct hfa384x_statusresult
+{
+	UINT16	status;
+	UINT16	resp0;
+	UINT16	resp1;
+	UINT16	resp2;
+} hfa384x_cmdresult_t;
+
+#if (WLAN_HOSTIF == WLAN_USB)
+
+/* USB Control Exchange (CTLX):
+ *  A queue of the structure below is maintained for all of the
+ *  Request/Response type USB packets supported by Prism2.
+ */
+/* The following hfa384x_* structures are arguments to
+ * the usercb() for the different CTLX types.
+ */
+typedef hfa384x_cmdresult_t hfa384x_wridresult_t;
+typedef hfa384x_cmdresult_t hfa384x_wmemresult_t;
+
+typedef struct hfa384x_rridresult
+{
+	UINT16		rid;
+	const void	*riddata;
+	UINT		riddata_len;
+} hfa384x_rridresult_t;
+
+enum ctlx_state {
+	CTLX_START = 0,	/* Start state, not queued */
+
+	CTLX_COMPLETE,	/* CTLX successfully completed */
+	CTLX_REQ_FAILED,	/* OUT URB completed w/ error */
+
+	CTLX_PENDING,		/* Queued, data valid */
+	CTLX_REQ_SUBMITTED,	/* OUT URB submitted */
+	CTLX_REQ_COMPLETE,	/* OUT URB complete */
+	CTLX_RESP_COMPLETE	/* IN URB received */
+};
+typedef enum ctlx_state  CTLX_STATE;
+
+struct hfa384x_usbctlx;
+struct hfa384x;
+
+typedef void (*ctlx_cmdcb_t)( struct hfa384x*, const struct hfa384x_usbctlx* );
+
+typedef void (*ctlx_usercb_t)(
+	struct hfa384x	*hw,
+	void		*ctlxresult,
+	void		*usercb_data);
+
+typedef struct hfa384x_usbctlx
+{
+	struct list_head	list;
+
+	size_t			outbufsize;
+	hfa384x_usbout_t	outbuf;		/* pkt buf for OUT */
+	hfa384x_usbin_t		inbuf;		/* pkt buf for IN(a copy) */
+
+	CTLX_STATE		state;		/* Tracks running state */
+
+	struct completion	done;
+	volatile int		reapable;	/* Food for the reaper task */
+
+	ctlx_cmdcb_t		cmdcb;		/* Async command callback */
+	ctlx_usercb_t		usercb;		/* Async user callback, */
+	void			*usercb_data;	/*  at CTLX completion  */
+
+	int			variant;	/* Identifies cmd variant */
+} hfa384x_usbctlx_t;
+
+typedef struct hfa384x_usbctlxq
+{
+	spinlock_t		lock;
+	struct list_head	pending;
+	struct list_head	active;
+	struct list_head	completing;
+	struct list_head	reapable;
+} hfa384x_usbctlxq_t;
+#endif
+
+typedef struct hfa484x_metacmd
+{
+	UINT16		cmd;
+
+	UINT16          parm0;
+	UINT16          parm1;
+	UINT16          parm2;
+
+#if 0 //XXX cmd irq stuff
+	UINT16          bulkid;         /* what RID/FID to copy down. */
+	int             bulklen;        /* how much to copy from BAP */
+        char            *bulkdata;      /* And to where? */
+#endif
+
+	hfa384x_cmdresult_t result;
+} hfa384x_metacmd_t;
+
+#define	MAX_PRISM2_GRP_ADDR	16
+#define	MAX_GRP_ADDR		32
+#define WLAN_COMMENT_MAX	80  /* Max. length of user comment string. */
+
+#define MM_SAT_PCF		(BIT14)
+#define MM_GCSD_PCF		(BIT15)
+#define MM_GCSD_PCF_EB		(BIT14 | BIT15)
+
+#define WLAN_STATE_STOPPED	0   /* Network is not active. */
+#define WLAN_STATE_STARTED	1   /* Network has been started. */
+
+#define WLAN_AUTH_MAX           60  /* Max. # of authenticated stations. */
+#define WLAN_ACCESS_MAX		60  /* Max. # of stations in an access list. */
+#define WLAN_ACCESS_NONE	0   /* No stations may be authenticated. */
+#define WLAN_ACCESS_ALL		1   /* All stations may be authenticated. */
+#define WLAN_ACCESS_ALLOW	2   /* Authenticate only "allowed" stations. */
+#define WLAN_ACCESS_DENY	3   /* Do not authenticate "denied" stations. */
+
+/* XXX These are going away ASAP */
+typedef struct prism2sta_authlist
+{
+	UINT	cnt;
+	UINT8	addr[WLAN_AUTH_MAX][WLAN_ADDR_LEN];
+	UINT8	assoc[WLAN_AUTH_MAX];
+} prism2sta_authlist_t;
+
+typedef struct prism2sta_accesslist
+{
+	UINT	modify;
+	UINT	cnt;
+	UINT8	addr[WLAN_ACCESS_MAX][WLAN_ADDR_LEN];
+	UINT	cnt1;
+	UINT8	addr1[WLAN_ACCESS_MAX][WLAN_ADDR_LEN];
+} prism2sta_accesslist_t;
+
+typedef struct hfa384x
+{
+#if (WLAN_HOSTIF != WLAN_USB)
+	/* Resource config */
+	UINT32			iobase;
+	char			__iomem *membase;
+	UINT32			irq;
+#else
+	/* USB support data */
+	struct usb_device	*usb;
+	struct urb		rx_urb;
+	struct sk_buff		*rx_urb_skb;
+	struct urb		tx_urb;
+	struct urb		ctlx_urb;
+	hfa384x_usbout_t	txbuff;
+	hfa384x_usbctlxq_t	ctlxq;
+	struct timer_list	reqtimer;
+	struct timer_list	resptimer;
+
+	struct timer_list	throttle;
+
+	struct tasklet_struct	reaper_bh;
+	struct tasklet_struct	completion_bh;
+
+	struct work_struct	usb_work;
+
+	unsigned long		usb_flags;
+#define THROTTLE_RX	0
+#define THROTTLE_TX	1
+#define WORK_RX_HALT	2
+#define WORK_TX_HALT	3
+#define WORK_RX_RESUME	4
+#define WORK_TX_RESUME	5
+
+	unsigned short		req_timer_done:1;
+	unsigned short		resp_timer_done:1;
+
+	int                     endp_in;
+	int                     endp_out;
+#endif /* !USB */
+
+#if (WLAN_HOSTIF == WLAN_PCMCIA)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	struct pcmcia_device *pdev;
+#else
+	dev_link_t	*link;
+#endif
+	dev_node_t	node;
+#endif
+
+	int                     sniff_fcs;
+	int                     sniff_channel;
+	int                     sniff_truncate;
+	int                     sniffhdr;
+
+	wait_queue_head_t cmdq;	        /* wait queue itself */
+
+	/* Controller state */
+	UINT32		state;
+	UINT32		isap;
+	UINT8		port_enabled[HFA384x_NUMPORTS_MAX];
+#if (WLAN_HOSTIF != WLAN_USB)
+	UINT		auxen;
+	UINT            isram16;
+#endif /* !USB */
+
+	/* Download support */
+	UINT				dlstate;
+	hfa384x_downloadbuffer_t	bufinfo;
+	UINT16				dltimeout;
+
+#if (WLAN_HOSTIF != WLAN_USB)
+	spinlock_t	cmdlock;
+	volatile int    cmdflag;        /* wait queue flag */
+	hfa384x_metacmd_t *cmddata;      /* for our async callback */
+
+	/* BAP support */
+	spinlock_t	baplock;
+	struct tasklet_struct   bap_tasklet;
+
+	/* MAC buffer ids */
+        UINT16          txfid_head;
+        UINT16          txfid_tail;
+        UINT            txfid_N;
+        UINT16          txfid_queue[HFA384x_DRVR_FIDSTACKLEN_MAX];
+	UINT16			infofid;
+	struct semaphore	infofid_sem;
+#endif /* !USB */
+
+	int                          scanflag;    /* to signal scan comlete */
+	int                          join_ap;        /* are we joined to a specific ap */
+	int                          join_retries;   /* number of join retries till we fail */
+	hfa384x_JoinRequest_data_t   joinreq;        /* join request saved data */
+
+	wlandevice_t            *wlandev;
+	/* Timer to allow for the deferred processing of linkstatus messages */
+	struct work_struct 	link_bh;
+
+        struct work_struct      commsqual_bh;
+	hfa384x_commsquality_t  qual;
+	struct timer_list	commsqual_timer;
+
+	UINT16 link_status;
+	UINT16 link_status_new;
+	struct sk_buff_head        authq;
+
+	/* And here we have stuff that used to be in priv */
+
+	/* State variables */
+	UINT		presniff_port_type;
+	UINT16		presniff_wepflags;
+	UINT32		dot11_desired_bss_type;
+	int		ap;	/* AP flag: 0 - Station, 1 - Access Point. */
+
+	int             dbmadjust;
+
+	/* Group Addresses - right now, there are up to a total
+	of MAX_GRP_ADDR group addresses */
+	UINT8		dot11_grp_addr[MAX_GRP_ADDR][WLAN_ADDR_LEN];
+	UINT		dot11_grpcnt;
+
+	/* Component Identities */
+	hfa384x_compident_t	ident_nic;
+	hfa384x_compident_t	ident_pri_fw;
+	hfa384x_compident_t	ident_sta_fw;
+	hfa384x_compident_t	ident_ap_fw;
+	UINT16			mm_mods;
+
+	/* Supplier compatibility ranges */
+	hfa384x_caplevel_t	cap_sup_mfi;
+	hfa384x_caplevel_t	cap_sup_cfi;
+	hfa384x_caplevel_t	cap_sup_pri;
+	hfa384x_caplevel_t	cap_sup_sta;
+	hfa384x_caplevel_t	cap_sup_ap;
+
+	/* Actor compatibility ranges */
+	hfa384x_caplevel_t	cap_act_pri_cfi; /* pri f/w to controller interface */
+	hfa384x_caplevel_t	cap_act_sta_cfi; /* sta f/w to controller interface */
+	hfa384x_caplevel_t	cap_act_sta_mfi; /* sta f/w to modem interface */
+	hfa384x_caplevel_t	cap_act_ap_cfi;  /* ap f/w to controller interface */
+	hfa384x_caplevel_t	cap_act_ap_mfi;  /* ap f/w to modem interface */
+
+	UINT32			psusercount;  /* Power save user count. */
+	hfa384x_CommTallies32_t	tallies;      /* Communication tallies. */
+	UINT8			comment[WLAN_COMMENT_MAX+1]; /* User comment */
+
+	/* Channel Info request results (AP only) */
+	struct {
+		atomic_t		done;
+		UINT8			count;
+		hfa384x_ChInfoResult_t	results;
+	} channel_info;
+
+	hfa384x_InfFrame_t      *scanresults;
+
+
+        prism2sta_authlist_t	authlist;     /* Authenticated station list. */
+	UINT			accessmode;   /* Access mode. */
+        prism2sta_accesslist_t	allow;        /* Allowed station list. */
+        prism2sta_accesslist_t	deny;         /* Denied station list. */
+
+} hfa384x_t;
+
+/*=============================================================*/
+/*--- Function Declarations -----------------------------------*/
+/*=============================================================*/
+#if (WLAN_HOSTIF == WLAN_USB)
+void
+hfa384x_create(
+	hfa384x_t *hw,
+	struct usb_device *usb);
+#else
+void
+hfa384x_create(
+	hfa384x_t *hw,
+	UINT irq,
+	UINT32 iobase,
+	UINT8 __iomem *membase);
+#endif
+
+void hfa384x_destroy(hfa384x_t *hw);
+
+irqreturn_t
+hfa384x_interrupt(int irq, void *dev_id PT_REGS);
+int
+hfa384x_corereset( hfa384x_t *hw, int holdtime, int settletime, int genesis);
+int
+hfa384x_drvr_chinforesults( hfa384x_t *hw);
+int
+hfa384x_drvr_commtallies( hfa384x_t *hw);
+int
+hfa384x_drvr_disable(hfa384x_t *hw, UINT16 macport);
+int
+hfa384x_drvr_enable(hfa384x_t *hw, UINT16 macport);
+int
+hfa384x_drvr_flashdl_enable(hfa384x_t *hw);
+int
+hfa384x_drvr_flashdl_disable(hfa384x_t *hw);
+int
+hfa384x_drvr_flashdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len);
+int
+hfa384x_drvr_getconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len);
+int
+hfa384x_drvr_handover( hfa384x_t *hw, UINT8 *addr);
+int
+hfa384x_drvr_hostscanresults( hfa384x_t *hw);
+int
+hfa384x_drvr_low_level(hfa384x_t *hw, hfa384x_metacmd_t *cmd);
+int
+hfa384x_drvr_mmi_read(hfa384x_t *hw, UINT32 address, UINT32 *result);
+int
+hfa384x_drvr_mmi_write(hfa384x_t *hw, UINT32 address, UINT32 data);
+int
+hfa384x_drvr_ramdl_enable(hfa384x_t *hw, UINT32 exeaddr);
+int
+hfa384x_drvr_ramdl_disable(hfa384x_t *hw);
+int
+hfa384x_drvr_ramdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len);
+int
+hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, UINT len);
+int
+hfa384x_drvr_scanresults( hfa384x_t *hw);
+
+int
+hfa384x_drvr_setconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len);
+
+static inline int
+hfa384x_drvr_getconfig16(hfa384x_t *hw, UINT16 rid, void *val)
+{
+	int		result = 0;
+	result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(UINT16));
+	if ( result == 0 ) {
+		*((UINT16*)val) = hfa384x2host_16(*((UINT16*)val));
+	}
+	return result;
+}
+
+static inline int
+hfa384x_drvr_getconfig32(hfa384x_t *hw, UINT16 rid, void *val)
+{
+	int		result = 0;
+
+	result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(UINT32));
+	if ( result == 0 ) {
+		*((UINT32*)val) = hfa384x2host_32(*((UINT32*)val));
+	}
+
+	return result;
+}
+
+static inline int
+hfa384x_drvr_setconfig16(hfa384x_t *hw, UINT16 rid, UINT16 val)
+{
+	UINT16 value = host2hfa384x_16(val);
+	return hfa384x_drvr_setconfig(hw, rid, &value, sizeof(value));
+}
+
+static inline int
+hfa384x_drvr_setconfig32(hfa384x_t *hw, UINT16 rid, UINT32 val)
+{
+	UINT32 value = host2hfa384x_32(val);
+	return hfa384x_drvr_setconfig(hw, rid, &value, sizeof(value));
+}
+
+#if (WLAN_HOSTIF == WLAN_USB)
+int
+hfa384x_drvr_getconfig_async(hfa384x_t     *hw,
+                              UINT16        rid,
+                              ctlx_usercb_t usercb,
+                              void          *usercb_data);
+
+int
+hfa384x_drvr_setconfig_async(hfa384x_t *hw,
+                              UINT16 rid,
+                              void *buf,
+                              UINT16 len,
+                              ctlx_usercb_t usercb,
+                              void *usercb_data);
+#else
+static inline int
+hfa384x_drvr_setconfig_async(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len,
+			     void *ptr1, void *ptr2)
+{
+         (void)ptr1;
+         (void)ptr2;
+         return hfa384x_drvr_setconfig(hw, rid, buf, len);
+}
+#endif
+
+static inline int
+hfa384x_drvr_setconfig16_async(hfa384x_t *hw, UINT16 rid, UINT16 val)
+{
+	UINT16 value = host2hfa384x_16(val);
+	return hfa384x_drvr_setconfig_async(hw, rid, &value, sizeof(value),
+					    NULL , NULL);
+}
+
+static inline int
+hfa384x_drvr_setconfig32_async(hfa384x_t *hw, UINT16 rid, UINT32 val)
+{
+	UINT32 value = host2hfa384x_32(val);
+	return hfa384x_drvr_setconfig_async(hw, rid, &value, sizeof(value),
+					    NULL , NULL);
+}
+
+
+int
+hfa384x_drvr_start(hfa384x_t *hw);
+int
+hfa384x_drvr_stop(hfa384x_t *hw);
+int
+hfa384x_drvr_txframe(hfa384x_t *hw, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep);
+void
+hfa384x_tx_timeout(wlandevice_t *wlandev);
+
+int
+hfa384x_cmd_initialize(hfa384x_t *hw);
+int
+hfa384x_cmd_enable(hfa384x_t *hw, UINT16 macport);
+int
+hfa384x_cmd_disable(hfa384x_t *hw, UINT16 macport);
+int
+hfa384x_cmd_diagnose(hfa384x_t *hw);
+int
+hfa384x_cmd_allocate(hfa384x_t *hw, UINT16 len);
+int
+hfa384x_cmd_transmit(hfa384x_t *hw, UINT16 reclaim, UINT16 qos, UINT16 fid);
+int
+hfa384x_cmd_clearpersist(hfa384x_t *hw, UINT16 fid);
+int
+hfa384x_cmd_notify(hfa384x_t *hw, UINT16 reclaim, UINT16 fid, void *buf, UINT16 len);
+int
+hfa384x_cmd_inquire(hfa384x_t *hw, UINT16 fid);
+int
+hfa384x_cmd_access(hfa384x_t *hw, UINT16 write, UINT16 rid, void *buf, UINT16 len);
+int
+hfa384x_cmd_monitor(hfa384x_t *hw, UINT16 enable);
+int
+hfa384x_cmd_download(
+	hfa384x_t *hw,
+	UINT16 mode,
+	UINT16 lowaddr,
+	UINT16 highaddr,
+	UINT16 codelen);
+int
+hfa384x_cmd_aux_enable(hfa384x_t *hw, int force);
+int
+hfa384x_cmd_aux_disable(hfa384x_t *hw);
+int
+hfa384x_copy_from_bap(
+	hfa384x_t *hw,
+	UINT16	bap,
+	UINT16	id,
+	UINT16	offset,
+	void	*buf,
+	UINT	len);
+int
+hfa384x_copy_to_bap(
+	hfa384x_t *hw,
+	UINT16	bap,
+	UINT16	id,
+	UINT16	offset,
+	void	*buf,
+	UINT	len);
+void
+hfa384x_copy_from_aux(
+	hfa384x_t *hw,
+	UINT32	cardaddr,
+	UINT32	auxctl,
+	void	*buf,
+	UINT	len);
+void
+hfa384x_copy_to_aux(
+	hfa384x_t *hw,
+	UINT32	cardaddr,
+	UINT32	auxctl,
+	void	*buf,
+	UINT	len);
+
+#if (WLAN_HOSTIF != WLAN_USB)
+
+/*
+   HFA384x is a LITTLE ENDIAN part.
+
+   the get/setreg functions implicitly byte-swap the data to LE.
+   the _noswap variants do not perform a byte-swap on the data.
+*/
+
+static inline UINT16
+__hfa384x_getreg(hfa384x_t *hw, UINT reg);
+
+static inline void
+__hfa384x_setreg(hfa384x_t *hw, UINT16 val, UINT reg);
+
+static inline UINT16
+__hfa384x_getreg_noswap(hfa384x_t *hw, UINT reg);
+
+static inline void
+__hfa384x_setreg_noswap(hfa384x_t *hw, UINT16 val, UINT reg);
+
+#ifdef REVERSE_ENDIAN
+#define hfa384x_getreg __hfa384x_getreg_noswap
+#define hfa384x_setreg __hfa384x_setreg_noswap
+#define hfa384x_getreg_noswap __hfa384x_getreg
+#define hfa384x_setreg_noswap __hfa384x_setreg
+#else
+#define hfa384x_getreg __hfa384x_getreg
+#define hfa384x_setreg __hfa384x_setreg
+#define hfa384x_getreg_noswap __hfa384x_getreg_noswap
+#define hfa384x_setreg_noswap __hfa384x_setreg_noswap
+#endif
+
+/*----------------------------------------------------------------
+* hfa384x_getreg
+*
+* Retrieve the value of one of the MAC registers.  Done here
+* because different PRISM2 MAC parts use different buses and such.
+* NOTE: This function returns the value in HOST ORDER!!!!!!
+*
+* Arguments:
+*       hw         MAC part structure
+*       reg        Register identifier (offset for I/O based i/f)
+*
+* Returns:
+*       Value from the register in HOST ORDER!!!!
+----------------------------------------------------------------*/
+static inline UINT16
+__hfa384x_getreg(hfa384x_t *hw, UINT reg)
+{
+/*	printk(KERN_DEBUG "Reading from 0x%0x\n", hw->membase + reg); */
+#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX))
+	return wlan_inw_le16_to_cpu(hw->iobase+reg);
+#elif (WLAN_HOSTIF == WLAN_PCI)
+	return __le16_to_cpu(readw(hw->membase + reg));
+#endif
+}
+
+/*----------------------------------------------------------------
+* hfa384x_setreg
+*
+* Set the value of one of the MAC registers.  Done here
+* because different PRISM2 MAC parts use different buses and such.
+* NOTE: This function assumes the value is in HOST ORDER!!!!!!
+*
+* Arguments:
+*       hw	MAC part structure
+*	val	Value, in HOST ORDER!!, to put in the register
+*       reg	Register identifier (offset for I/O based i/f)
+*
+* Returns:
+*       Nothing
+----------------------------------------------------------------*/
+static inline void
+__hfa384x_setreg(hfa384x_t *hw, UINT16 val, UINT reg)
+{
+#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX))
+	wlan_outw_cpu_to_le16( val, hw->iobase + reg);
+	return;
+#elif (WLAN_HOSTIF == WLAN_PCI)
+	writew(__cpu_to_le16(val), hw->membase + reg);
+	return;
+#endif
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_getreg_noswap
+*
+* Retrieve the value of one of the MAC registers.  Done here
+* because different PRISM2 MAC parts use different buses and such.
+*
+* Arguments:
+*       hw         MAC part structure
+*       reg        Register identifier (offset for I/O based i/f)
+*
+* Returns:
+*       Value from the register.
+----------------------------------------------------------------*/
+static inline UINT16
+__hfa384x_getreg_noswap(hfa384x_t *hw, UINT reg)
+{
+#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX))
+	return wlan_inw(hw->iobase+reg);
+#elif (WLAN_HOSTIF == WLAN_PCI)
+	return readw(hw->membase + reg);
+#endif
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_setreg_noswap
+*
+* Set the value of one of the MAC registers.  Done here
+* because different PRISM2 MAC parts use different buses and such.
+*
+* Arguments:
+*       hw	MAC part structure
+*	val	Value to put in the register
+*       reg	Register identifier (offset for I/O based i/f)
+*
+* Returns:
+*       Nothing
+----------------------------------------------------------------*/
+static inline void
+__hfa384x_setreg_noswap(hfa384x_t *hw, UINT16 val, UINT reg)
+{
+#if ((WLAN_HOSTIF == WLAN_PCMCIA) || (WLAN_HOSTIF == WLAN_PLX))
+	wlan_outw( val, hw->iobase + reg);
+	return;
+#elif (WLAN_HOSTIF == WLAN_PCI)
+	writew(val, hw->membase + reg);
+	return;
+#endif
+}
+
+
+static inline void hfa384x_events_all(hfa384x_t *hw)
+{
+	hfa384x_setreg(hw,
+		       HFA384x_INT_NORMAL
+#ifdef CMD_IRQ
+		       | HFA384x_INTEN_CMD_SET(1)
+#endif
+		       ,
+		       HFA384x_INTEN);
+
+}
+
+static inline void hfa384x_events_nobap(hfa384x_t *hw)
+{
+	hfa384x_setreg(hw,
+		        (HFA384x_INT_NORMAL & ~HFA384x_INT_BAP_OP)
+#ifdef CMD_IRQ
+		       | HFA384x_INTEN_CMD_SET(1)
+#endif
+		       ,
+		       HFA384x_INTEN);
+
+}
+
+#endif /* WLAN_HOSTIF != WLAN_USB */
+#endif /* __KERNEL__ */
+
+#endif  /* _HFA384x_H */
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
new file mode 100644
index 00000000000..db0c502f5d9
--- /dev/null
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -0,0 +1,5027 @@
+/* src/prism2/driver/hfa384x_usb.c
+*
+* Functions that talk to the USB variantof the Intersil hfa384x MAC
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file implements functions that correspond to the prism2/hfa384x
+* 802.11 MAC hardware and firmware host interface.
+*
+* The functions can be considered to represent several levels of
+* abstraction.  The lowest level functions are simply C-callable wrappers
+* around the register accesses.  The next higher level represents C-callable
+* prism2 API functions that match the Intersil documentation as closely
+* as is reasonable.  The next higher layer implements common sequences
+* of invokations of the API layer (e.g. write to bap, followed by cmd).
+*
+* Common sequences:
+* hfa384x_drvr_xxx	Highest level abstractions provided by the
+*			hfa384x code.  They are driver defined wrappers
+*			for common sequences.  These functions generally
+*			use the services of the lower levels.
+*
+* hfa384x_drvr_xxxconfig  An example of the drvr level abstraction. These
+*			functions are wrappers for the RID get/set
+*			sequence. They 	call copy_[to|from]_bap() and
+*			cmd_access().	These functions operate on the
+*			RIDs and buffers without validation.  The caller
+*			is responsible for that.
+*
+* API wrapper functions:
+* hfa384x_cmd_xxx	functions that provide access to the f/w commands.
+*			The function arguments correspond to each command
+*			argument, even command arguments that get packed
+*			into single registers.  These functions _just_
+*			issue the command by setting the cmd/parm regs
+*			& reading the status/resp regs.  Additional
+*			activities required to fully use a command
+*			(read/write from/to bap, get/set int status etc.)
+*			are implemented separately.  Think of these as
+*			C-callable prism2 commands.
+*
+* Lowest Layer Functions:
+* hfa384x_docmd_xxx	These functions implement the sequence required
+*			to issue any prism2 command.  Primarily used by the
+*			hfa384x_cmd_xxx functions.
+*
+* hfa384x_bap_xxx	BAP read/write access functions.
+*			Note: we usually use BAP0 for non-interrupt context
+*			 and BAP1 for interrupt context.
+*
+* hfa384x_dl_xxx	download related functions.
+*
+* Driver State Issues:
+* Note that there are two pairs of functions that manage the
+* 'initialized' and 'running' states of the hw/MAC combo.  The four
+* functions are create(), destroy(), start(), and stop().  create()
+* sets up the data structures required to support the hfa384x_*
+* functions and destroy() cleans them up.  The start() function gets
+* the actual hardware running and enables the interrupts.  The stop()
+* function shuts the hardware down.  The sequence should be:
+* create()
+* start()
+*  .
+*  .  Do interesting things w/ the hardware
+*  .
+* stop()
+* destroy()
+*
+* Note that destroy() can be called without calling stop() first.
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+#define WLAN_DBVAR	prism2_debug
+
+#include "version.h"
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <linux/timer.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+#include <asm/bitops.h>
+#include <linux/list.h>
+#include <linux/usb.h>
+
+#include "wlan_compat.h"
+
+#if (WLAN_HOSTIF != WLAN_USB)
+#error "This file is specific to USB"
+#endif
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
+static int
+wait_for_completion_interruptible(struct completion *x)
+{
+  int ret = 0;
+
+  might_sleep();
+
+  spin_lock_irq(&x->wait.lock);
+  if (!x->done) {
+    DECLARE_WAITQUEUE(wait, current);
+
+    wait.flags |= WQ_FLAG_EXCLUSIVE;
+    __add_wait_queue_tail(&x->wait, &wait);
+    do {
+      if (signal_pending(current)) {
+        ret = -ERESTARTSYS;
+        __remove_wait_queue(&x->wait, &wait);
+        goto out;
+      }
+      __set_current_state(TASK_INTERRUPTIBLE);
+      spin_unlock_irq(&x->wait.lock);
+      schedule();
+      spin_lock_irq(&x->wait.lock);
+    } while (!x->done);
+    __remove_wait_queue(&x->wait, &wait);
+  }
+  x->done--;
+out:
+  spin_unlock_irq(&x->wait.lock);
+
+  return ret;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,69)
+static void
+usb_init_urb(struct urb *urb)
+{
+	memset(urb, 0, sizeof(*urb));
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) /* tune me! */
+	urb->count = (atomic_t)ATOMIC_INIT(1);
+#endif
+	spin_lock_init(&urb->lock);
+}
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) /* tune me! */
+#  define SUBMIT_URB(u,f)  usb_submit_urb(u,f)
+#else
+#  define SUBMIT_URB(u,f)  usb_submit_urb(u)
+#endif
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211mgmt.h"
+#include "p80211conv.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211req.h"
+#include "p80211metadef.h"
+#include "p80211metastruct.h"
+#include "hfa384x.h"
+#include "prism2mgmt.h"
+
+/*================================================================*/
+/* Local Constants */
+
+enum cmd_mode
+{
+  DOWAIT = 0,
+  DOASYNC
+};
+typedef enum cmd_mode CMD_MODE;
+
+#define THROTTLE_JIFFIES	(HZ/8)
+
+/*================================================================*/
+/* Local Macros */
+
+#define ROUNDUP64(a) (((a)+63)&~63)
+
+/*================================================================*/
+/* Local Types */
+
+/*================================================================*/
+/* Local Static Definitions */
+extern int prism2_debug;
+
+/*================================================================*/
+/* Local Function Declarations */
+
+#ifdef DEBUG_USB
+static void
+dbprint_urb(struct urb* urb);
+#endif
+
+static void
+hfa384x_int_rxmonitor(
+	wlandevice_t *wlandev,
+	hfa384x_usb_rxfrm_t *rxfrm);
+
+static void
+hfa384x_usb_defer(struct work_struct *data);
+
+static int
+submit_rx_urb(hfa384x_t *hw, gfp_t flags);
+
+static int
+submit_tx_urb(hfa384x_t *hw, struct urb *tx_urb, gfp_t flags);
+
+/*---------------------------------------------------*/
+/* Callbacks */
+#ifdef URB_ONLY_CALLBACK
+static void
+hfa384x_usbout_callback(struct urb *urb);
+static void
+hfa384x_ctlxout_callback(struct urb *urb);
+static void
+hfa384x_usbin_callback(struct urb *urb);
+#else
+static void
+hfa384x_usbout_callback(struct urb *urb, struct pt_regs *regs);
+static void
+hfa384x_ctlxout_callback(struct urb *urb, struct pt_regs *regs);
+static void
+hfa384x_usbin_callback(struct urb *urb, struct pt_regs *regs);
+#endif
+
+static void
+hfa384x_usbin_txcompl(wlandevice_t *wlandev, hfa384x_usbin_t *usbin);
+
+static void
+hfa384x_usbin_rx(wlandevice_t *wlandev, struct sk_buff *skb);
+
+static void
+hfa384x_usbin_info(wlandevice_t *wlandev, hfa384x_usbin_t *usbin);
+
+static void
+hfa384x_usbout_tx(wlandevice_t *wlandev, hfa384x_usbout_t *usbout);
+
+static void hfa384x_usbin_ctlx(hfa384x_t *hw, hfa384x_usbin_t *usbin,
+			       int urb_status);
+
+/*---------------------------------------------------*/
+/* Functions to support the prism2 usb command queue */
+
+static void
+hfa384x_usbctlxq_run(hfa384x_t *hw);
+
+static void
+hfa384x_usbctlx_reqtimerfn(unsigned long data);
+
+static void
+hfa384x_usbctlx_resptimerfn(unsigned long data);
+
+static void
+hfa384x_usb_throttlefn(unsigned long data);
+
+static void
+hfa384x_usbctlx_completion_task(unsigned long data);
+
+static void
+hfa384x_usbctlx_reaper_task(unsigned long data);
+
+static int
+hfa384x_usbctlx_submit(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx);
+
+static void
+unlocked_usbctlx_complete(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx);
+
+struct usbctlx_completor
+{
+	int (*complete)(struct usbctlx_completor*);
+};
+typedef struct usbctlx_completor usbctlx_completor_t;
+
+static int
+hfa384x_usbctlx_complete_sync(hfa384x_t *hw,
+                              hfa384x_usbctlx_t *ctlx,
+                              usbctlx_completor_t *completor);
+
+static int
+unlocked_usbctlx_cancel_async(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx);
+
+static void
+hfa384x_cb_status(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx);
+
+static void
+hfa384x_cb_rrid(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx);
+
+static int
+usbctlx_get_status(const hfa384x_usb_cmdresp_t *cmdresp,
+                   hfa384x_cmdresult_t *result);
+
+static void
+usbctlx_get_rridresult(const hfa384x_usb_rridresp_t *rridresp,
+                       hfa384x_rridresult_t *result);
+
+/*---------------------------------------------------*/
+/* Low level req/resp CTLX formatters and submitters */
+static int
+hfa384x_docmd(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	hfa384x_metacmd_t *cmd,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data);
+
+static int
+hfa384x_dorrid(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	rid,
+	void	*riddata,
+	UINT	riddatalen,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data);
+
+static int
+hfa384x_dowrid(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	rid,
+	void	*riddata,
+	UINT	riddatalen,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data);
+
+static int
+hfa384x_dormem(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	page,
+	UINT16	offset,
+	void	*data,
+	UINT	len,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data);
+
+static int
+hfa384x_dowmem(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	page,
+	UINT16	offset,
+	void	*data,
+	UINT	len,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data);
+
+static int
+hfa384x_isgood_pdrcode(UINT16 pdrcode);
+
+/*================================================================*/
+/* Function Definitions */
+static inline const char* ctlxstr(CTLX_STATE s)
+{
+	static const char* ctlx_str[] = {
+		"Initial state",
+		"Complete",
+		"Request failed",
+		"Request pending",
+		"Request packet submitted",
+		"Request packet completed",
+		"Response packet completed"
+	};
+
+	return ctlx_str[s];
+};
+
+
+static inline hfa384x_usbctlx_t*
+get_active_ctlx(hfa384x_t *hw)
+{
+	return list_entry(hw->ctlxq.active.next, hfa384x_usbctlx_t, list);
+}
+
+
+#ifdef DEBUG_USB
+void
+dbprint_urb(struct urb* urb)
+{
+	WLAN_LOG_DEBUG(3,"urb->pipe=0x%08x\n", urb->pipe);
+	WLAN_LOG_DEBUG(3,"urb->status=0x%08x\n", urb->status);
+	WLAN_LOG_DEBUG(3,"urb->transfer_flags=0x%08x\n", urb->transfer_flags);
+	WLAN_LOG_DEBUG(3,"urb->transfer_buffer=0x%08x\n", (UINT)urb->transfer_buffer);
+	WLAN_LOG_DEBUG(3,"urb->transfer_buffer_length=0x%08x\n", urb->transfer_buffer_length);
+	WLAN_LOG_DEBUG(3,"urb->actual_length=0x%08x\n", urb->actual_length);
+	WLAN_LOG_DEBUG(3,"urb->bandwidth=0x%08x\n", urb->bandwidth);
+	WLAN_LOG_DEBUG(3,"urb->setup_packet(ctl)=0x%08x\n", (UINT)urb->setup_packet);
+	WLAN_LOG_DEBUG(3,"urb->start_frame(iso/irq)=0x%08x\n", urb->start_frame);
+	WLAN_LOG_DEBUG(3,"urb->interval(irq)=0x%08x\n", urb->interval);
+	WLAN_LOG_DEBUG(3,"urb->error_count(iso)=0x%08x\n", urb->error_count);
+	WLAN_LOG_DEBUG(3,"urb->timeout=0x%08x\n", urb->timeout);
+	WLAN_LOG_DEBUG(3,"urb->context=0x%08x\n", (UINT)urb->context);
+	WLAN_LOG_DEBUG(3,"urb->complete=0x%08x\n", (UINT)urb->complete);
+}
+#endif
+
+
+/*----------------------------------------------------------------
+* submit_rx_urb
+*
+* Listen for input data on the BULK-IN pipe. If the pipe has
+* stalled then schedule it to be reset.
+*
+* Arguments:
+*	hw		device struct
+*	memflags	memory allocation flags
+*
+* Returns:
+*	error code from submission
+*
+* Call context:
+*	Any
+----------------------------------------------------------------*/
+static int
+submit_rx_urb(hfa384x_t *hw, gfp_t memflags)
+{
+	struct sk_buff *skb;
+	int result;
+
+	DBFENTER;
+
+	skb = dev_alloc_skb(sizeof(hfa384x_usbin_t));
+	if (skb == NULL) {
+		result = -ENOMEM;
+		goto done;
+	}
+
+	/* Post the IN urb */
+	usb_fill_bulk_urb(&hw->rx_urb, hw->usb,
+	              hw->endp_in,
+	              skb->data, sizeof(hfa384x_usbin_t),
+	              hfa384x_usbin_callback, hw->wlandev);
+
+	hw->rx_urb_skb = skb;
+
+	result = -ENOLINK;
+	if ( !hw->wlandev->hwremoved && !test_bit(WORK_RX_HALT, &hw->usb_flags)) {
+		result = SUBMIT_URB(&hw->rx_urb, memflags);
+
+		/* Check whether we need to reset the RX pipe */
+		if (result == -EPIPE) {
+			WLAN_LOG_WARNING("%s rx pipe stalled: requesting reset\n",
+			                 hw->wlandev->netdev->name);
+			if ( !test_and_set_bit(WORK_RX_HALT, &hw->usb_flags) )
+				schedule_work(&hw->usb_work);
+		}
+	}
+
+	/* Don't leak memory if anything should go wrong */
+	if (result != 0) {
+		dev_kfree_skb(skb);
+		hw->rx_urb_skb = NULL;
+	}
+
+ done:
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* submit_tx_urb
+*
+* Prepares and submits the URB of transmitted data. If the
+* submission fails then it will schedule the output pipe to
+* be reset.
+*
+* Arguments:
+*	hw		device struct
+*	tx_urb		URB of data for tranmission
+*	memflags	memory allocation flags
+*
+* Returns:
+*	error code from submission
+*
+* Call context:
+*	Any
+----------------------------------------------------------------*/
+static int
+submit_tx_urb(hfa384x_t *hw, struct urb *tx_urb, gfp_t memflags)
+{
+	struct net_device *netdev = hw->wlandev->netdev;
+	int result;
+
+	DBFENTER;
+
+	result = -ENOLINK;
+	if ( netif_running(netdev) ) {
+
+		if ( !hw->wlandev->hwremoved && !test_bit(WORK_TX_HALT, &hw->usb_flags) ) {
+			result = SUBMIT_URB(tx_urb, memflags);
+
+			/* Test whether we need to reset the TX pipe */
+			if (result == -EPIPE) {
+				WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n",
+				                 netdev->name);
+				set_bit(WORK_TX_HALT, &hw->usb_flags);
+				schedule_work(&hw->usb_work);
+			} else if (result == 0) {
+				netif_stop_queue(netdev);
+			}
+		}
+	}
+
+	DBFEXIT;
+
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa394x_usb_defer
+*
+* There are some things that the USB stack cannot do while
+* in interrupt context, so we arrange this function to run
+* in process context.
+*
+* Arguments:
+*	hw	device structure
+*
+* Returns:
+*	nothing
+*
+* Call context:
+*	process (by design)
+----------------------------------------------------------------*/
+static void
+hfa384x_usb_defer(struct work_struct *data)
+{
+	hfa384x_t *hw = container_of(data, struct hfa384x, usb_work);
+	struct net_device *netdev = hw->wlandev->netdev;
+
+	DBFENTER;
+
+	/* Don't bother trying to reset anything if the plug
+	 * has been pulled ...
+	 */
+	if ( hw->wlandev->hwremoved ) {
+		DBFEXIT;
+		return;
+	}
+
+	/* Reception has stopped: try to reset the input pipe */
+	if (test_bit(WORK_RX_HALT, &hw->usb_flags)) {
+		int ret;
+
+		usb_kill_urb(&hw->rx_urb);  /* Cannot be holding spinlock! */
+
+		ret = usb_clear_halt(hw->usb, hw->endp_in);
+		if (ret != 0) {
+			printk(KERN_ERR
+			       "Failed to clear rx pipe for %s: err=%d\n",
+			       netdev->name, ret);
+		} else {
+			printk(KERN_INFO "%s rx pipe reset complete.\n",
+			                 netdev->name);
+			clear_bit(WORK_RX_HALT, &hw->usb_flags);
+			set_bit(WORK_RX_RESUME, &hw->usb_flags);
+		}
+	}
+
+	/* Resume receiving data back from the device. */
+	if ( test_bit(WORK_RX_RESUME, &hw->usb_flags) ) {
+		int ret;
+
+		ret = submit_rx_urb(hw, GFP_KERNEL);
+		if (ret != 0) {
+			printk(KERN_ERR
+			       "Failed to resume %s rx pipe.\n", netdev->name);
+		} else {
+			clear_bit(WORK_RX_RESUME, &hw->usb_flags);
+		}
+	}
+
+	/* Transmission has stopped: try to reset the output pipe */
+	if (test_bit(WORK_TX_HALT, &hw->usb_flags)) {
+		int ret;
+
+		usb_kill_urb(&hw->tx_urb);
+		ret = usb_clear_halt(hw->usb, hw->endp_out);
+		if (ret != 0) {
+			printk(KERN_ERR
+			       "Failed to clear tx pipe for %s: err=%d\n",
+			       netdev->name, ret);
+		} else {
+			printk(KERN_INFO "%s tx pipe reset complete.\n",
+			                 netdev->name);
+			clear_bit(WORK_TX_HALT, &hw->usb_flags);
+			set_bit(WORK_TX_RESUME, &hw->usb_flags);
+
+			/* Stopping the BULK-OUT pipe also blocked
+			 * us from sending any more CTLX URBs, so
+			 * we need to re-run our queue ...
+			 */
+			hfa384x_usbctlxq_run(hw);
+		}
+	}
+
+	/* Resume transmitting. */
+	if ( test_and_clear_bit(WORK_TX_RESUME, &hw->usb_flags) ) {
+		p80211netdev_wake_queue(hw->wlandev);
+	}
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_create
+*
+* Sets up the hfa384x_t data structure for use.  Note this
+* does _not_ intialize the actual hardware, just the data structures
+* we use to keep track of its state.
+*
+* Arguments:
+*	hw		device structure
+*	irq		device irq number
+*	iobase		i/o base address for register access
+*	membase		memory base address for register access
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+void
+hfa384x_create( hfa384x_t *hw, struct usb_device *usb)
+{
+	DBFENTER;
+
+	memset(hw, 0, sizeof(hfa384x_t));
+	hw->usb = usb;
+
+	/* set up the endpoints */
+	hw->endp_in = usb_rcvbulkpipe(usb, 1);
+	hw->endp_out = usb_sndbulkpipe(usb, 2);
+
+	/* Set up the waitq */
+	init_waitqueue_head(&hw->cmdq);
+
+	/* Initialize the command queue */
+	spin_lock_init(&hw->ctlxq.lock);
+	INIT_LIST_HEAD(&hw->ctlxq.pending);
+	INIT_LIST_HEAD(&hw->ctlxq.active);
+	INIT_LIST_HEAD(&hw->ctlxq.completing);
+	INIT_LIST_HEAD(&hw->ctlxq.reapable);
+
+	/* Initialize the authentication queue */
+	skb_queue_head_init(&hw->authq);
+
+	tasklet_init(&hw->reaper_bh,
+	             hfa384x_usbctlx_reaper_task,
+	             (unsigned long)hw);
+	tasklet_init(&hw->completion_bh,
+	             hfa384x_usbctlx_completion_task,
+	             (unsigned long)hw);
+	INIT_WORK2(&hw->link_bh, prism2sta_processing_defer);
+	INIT_WORK2(&hw->usb_work, hfa384x_usb_defer);
+
+	init_timer(&hw->throttle);
+	hw->throttle.function = hfa384x_usb_throttlefn;
+	hw->throttle.data = (unsigned long)hw;
+
+	init_timer(&hw->resptimer);
+	hw->resptimer.function = hfa384x_usbctlx_resptimerfn;
+	hw->resptimer.data = (unsigned long)hw;
+
+	init_timer(&hw->reqtimer);
+	hw->reqtimer.function = hfa384x_usbctlx_reqtimerfn;
+	hw->reqtimer.data = (unsigned long)hw;
+
+	usb_init_urb(&hw->rx_urb);
+	usb_init_urb(&hw->tx_urb);
+	usb_init_urb(&hw->ctlx_urb);
+
+	hw->link_status = HFA384x_LINK_NOTCONNECTED;
+	hw->state = HFA384x_STATE_INIT;
+
+        INIT_WORK2(&hw->commsqual_bh, prism2sta_commsqual_defer);
+	init_timer(&hw->commsqual_timer);
+	hw->commsqual_timer.data = (unsigned long) hw;
+	hw->commsqual_timer.function = prism2sta_commsqual_timer;
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_destroy
+*
+* Partner to hfa384x_create().  This function cleans up the hw
+* structure so that it can be freed by the caller using a simple
+* kfree.  Currently, this function is just a placeholder.  If, at some
+* point in the future, an hw in the 'shutdown' state requires a 'deep'
+* kfree, this is where it should be done.  Note that if this function
+* is called on a _running_ hw structure, the drvr_stop() function is
+* called.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	nothing, this function is not allowed to fail.
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+void
+hfa384x_destroy( hfa384x_t *hw)
+{
+	struct sk_buff *skb;
+
+	DBFENTER;
+
+	if ( hw->state == HFA384x_STATE_RUNNING ) {
+		hfa384x_drvr_stop(hw);
+	}
+	hw->state = HFA384x_STATE_PREINIT;
+
+	if (hw->scanresults) {
+		kfree(hw->scanresults);
+		hw->scanresults = NULL;
+	}
+
+	/* Now to clean out the auth queue */
+        while ( (skb = skb_dequeue(&hw->authq)) ) {
+                dev_kfree_skb(skb);
+        }
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+ */
+static hfa384x_usbctlx_t* usbctlx_alloc(void)
+{
+	hfa384x_usbctlx_t *ctlx;
+
+	ctlx = kmalloc(sizeof(*ctlx), in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
+	if (ctlx != NULL)
+	{
+		memset(ctlx, 0, sizeof(*ctlx));
+		init_completion(&ctlx->done);
+	}
+
+	return ctlx;
+}
+
+
+/*----------------------------------------------------------------
+ *
+----------------------------------------------------------------*/
+static int
+usbctlx_get_status(const hfa384x_usb_cmdresp_t *cmdresp,
+                   hfa384x_cmdresult_t *result)
+{
+	DBFENTER;
+
+	result->status = hfa384x2host_16(cmdresp->status);
+	result->resp0 = hfa384x2host_16(cmdresp->resp0);
+	result->resp1 = hfa384x2host_16(cmdresp->resp1);
+	result->resp2 = hfa384x2host_16(cmdresp->resp2);
+
+	WLAN_LOG_DEBUG(4, "cmdresult:status=0x%04x "
+	                  "resp0=0x%04x resp1=0x%04x resp2=0x%04x\n",
+	                result->status,
+	                result->resp0,
+	                result->resp1,
+	                result->resp2);
+
+	DBFEXIT;
+	return (result->status & HFA384x_STATUS_RESULT);
+}
+
+static void
+usbctlx_get_rridresult(const hfa384x_usb_rridresp_t *rridresp,
+                       hfa384x_rridresult_t *result)
+{
+	DBFENTER;
+
+	result->rid = hfa384x2host_16(rridresp->rid);
+	result->riddata = rridresp->data;
+	result->riddata_len = ((hfa384x2host_16(rridresp->frmlen) - 1) * 2);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* Completor object:
+* This completor must be passed to hfa384x_usbctlx_complete_sync()
+* when processing a CTLX that returns a hfa384x_cmdresult_t structure.
+----------------------------------------------------------------*/
+struct usbctlx_cmd_completor
+{
+	usbctlx_completor_t	head;
+
+	const hfa384x_usb_cmdresp_t	*cmdresp;
+	hfa384x_cmdresult_t	*result;
+};
+typedef struct usbctlx_cmd_completor usbctlx_cmd_completor_t;
+
+static int usbctlx_cmd_completor_fn(usbctlx_completor_t *head)
+{
+	usbctlx_cmd_completor_t *complete = (usbctlx_cmd_completor_t*)head;
+	return usbctlx_get_status(complete->cmdresp, complete->result);
+}
+
+static inline usbctlx_completor_t*
+init_cmd_completor(usbctlx_cmd_completor_t *completor,
+                   const hfa384x_usb_cmdresp_t *cmdresp,
+                   hfa384x_cmdresult_t *result)
+{
+	completor->head.complete = usbctlx_cmd_completor_fn;
+	completor->cmdresp = cmdresp;
+	completor->result = result;
+	return &(completor->head);
+}
+
+/*----------------------------------------------------------------
+* Completor object:
+* This completor must be passed to hfa384x_usbctlx_complete_sync()
+* when processing a CTLX that reads a RID.
+----------------------------------------------------------------*/
+struct usbctlx_rrid_completor
+{
+	usbctlx_completor_t	head;
+
+	const hfa384x_usb_rridresp_t	*rridresp;
+	void			*riddata;
+	UINT			riddatalen;
+};
+typedef struct usbctlx_rrid_completor usbctlx_rrid_completor_t;
+
+static int usbctlx_rrid_completor_fn(usbctlx_completor_t *head)
+{
+	usbctlx_rrid_completor_t *complete = (usbctlx_rrid_completor_t*)head;
+	hfa384x_rridresult_t rridresult;
+
+	usbctlx_get_rridresult(complete->rridresp, &rridresult);
+
+	/* Validate the length, note body len calculation in bytes */
+	if ( rridresult.riddata_len != complete->riddatalen ) {
+		WLAN_LOG_WARNING(
+			"RID len mismatch, rid=0x%04x hlen=%d fwlen=%d\n",
+		        rridresult.rid,
+		        complete->riddatalen,
+		        rridresult.riddata_len);
+		return -ENODATA;
+	}
+
+	memcpy(complete->riddata,
+	       rridresult.riddata,
+	       complete->riddatalen);
+	return 0;
+}
+
+static inline usbctlx_completor_t*
+init_rrid_completor(usbctlx_rrid_completor_t *completor,
+                    const hfa384x_usb_rridresp_t *rridresp,
+                    void *riddata,
+                    UINT riddatalen)
+{
+	completor->head.complete = usbctlx_rrid_completor_fn;
+	completor->rridresp = rridresp;
+	completor->riddata = riddata;
+	completor->riddatalen = riddatalen;
+	return &(completor->head);
+}
+
+/*----------------------------------------------------------------
+* Completor object:
+* Interprets the results of a synchronous RID-write
+----------------------------------------------------------------*/
+typedef usbctlx_cmd_completor_t usbctlx_wrid_completor_t;
+#define init_wrid_completor  init_cmd_completor
+
+/*----------------------------------------------------------------
+* Completor object:
+* Interprets the results of a synchronous memory-write
+----------------------------------------------------------------*/
+typedef usbctlx_cmd_completor_t usbctlx_wmem_completor_t;
+#define init_wmem_completor  init_cmd_completor
+
+/*----------------------------------------------------------------
+* Completor object:
+* Interprets the results of a synchronous memory-read
+----------------------------------------------------------------*/
+struct usbctlx_rmem_completor
+{
+        usbctlx_completor_t           head;
+
+        const hfa384x_usb_rmemresp_t  *rmemresp;
+        void                          *data;
+        UINT                          len;
+};
+typedef struct usbctlx_rmem_completor usbctlx_rmem_completor_t;
+
+static int usbctlx_rmem_completor_fn(usbctlx_completor_t *head)
+{
+	usbctlx_rmem_completor_t *complete = (usbctlx_rmem_completor_t*)head;
+
+	WLAN_LOG_DEBUG(4,"rmemresp:len=%d\n", complete->rmemresp->frmlen);
+	memcpy(complete->data, complete->rmemresp->data, complete->len);
+	return 0;
+}
+
+static inline usbctlx_completor_t*
+init_rmem_completor(usbctlx_rmem_completor_t *completor,
+                    hfa384x_usb_rmemresp_t *rmemresp,
+                    void *data,
+                    UINT len)
+{
+	completor->head.complete = usbctlx_rmem_completor_fn;
+	completor->rmemresp = rmemresp;
+	completor->data = data;
+	completor->len = len;
+	return &(completor->head);
+}
+
+/*----------------------------------------------------------------
+* hfa384x_cb_status
+*
+* Ctlx_complete handler for async CMD type control exchanges.
+* mark the hw struct as such.
+*
+* Note: If the handling is changed here, it should probably be
+*       changed in docmd as well.
+*
+* Arguments:
+*	hw		hw struct
+*	ctlx		completed CTLX
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void
+hfa384x_cb_status(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx)
+{
+	DBFENTER;
+
+	if ( ctlx->usercb != NULL ) {
+		hfa384x_cmdresult_t cmdresult;
+
+		if (ctlx->state != CTLX_COMPLETE) {
+			memset(&cmdresult, 0, sizeof(cmdresult));
+			cmdresult.status = HFA384x_STATUS_RESULT_SET(HFA384x_CMD_ERR);
+		} else {
+			usbctlx_get_status(&ctlx->inbuf.cmdresp, &cmdresult);
+		}
+
+		ctlx->usercb(hw, &cmdresult, ctlx->usercb_data);
+	}
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cb_rrid
+*
+* CTLX completion handler for async RRID type control exchanges.
+*
+* Note: If the handling is changed here, it should probably be
+*       changed in dorrid as well.
+*
+* Arguments:
+*	hw		hw struct
+*	ctlx		completed CTLX
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void
+hfa384x_cb_rrid(hfa384x_t *hw, const hfa384x_usbctlx_t *ctlx)
+{
+	DBFENTER;
+
+	if ( ctlx->usercb != NULL ) {
+		hfa384x_rridresult_t rridresult;
+
+		if (ctlx->state != CTLX_COMPLETE) {
+			memset(&rridresult, 0, sizeof(rridresult));
+			rridresult.rid = hfa384x2host_16(ctlx->outbuf.rridreq.rid);
+		} else {
+			usbctlx_get_rridresult(&ctlx->inbuf.rridresp, &rridresult);
+		}
+
+		ctlx->usercb(hw, &rridresult, ctlx->usercb_data);
+	}
+
+	DBFEXIT;
+}
+
+static inline int
+hfa384x_docmd_wait(hfa384x_t *hw, hfa384x_metacmd_t *cmd)
+{
+	return hfa384x_docmd(hw, DOWAIT, cmd, NULL, NULL, NULL);
+}
+
+static inline int
+hfa384x_docmd_async(hfa384x_t *hw,
+                    hfa384x_metacmd_t *cmd,
+                    ctlx_cmdcb_t cmdcb,
+                    ctlx_usercb_t usercb,
+                    void *usercb_data)
+{
+	return hfa384x_docmd(hw, DOASYNC, cmd,
+	                        cmdcb, usercb, usercb_data);
+}
+
+static inline int
+hfa384x_dorrid_wait(hfa384x_t *hw, UINT16 rid, void *riddata, UINT riddatalen)
+{
+	return hfa384x_dorrid(hw, DOWAIT,
+	                      rid, riddata, riddatalen,
+	                      NULL, NULL, NULL);
+}
+
+static inline int
+hfa384x_dorrid_async(hfa384x_t *hw,
+                     UINT16 rid, void *riddata, UINT riddatalen,
+                     ctlx_cmdcb_t cmdcb,
+                     ctlx_usercb_t usercb,
+                     void *usercb_data)
+{
+	return hfa384x_dorrid(hw, DOASYNC,
+	                      rid, riddata, riddatalen,
+	                      cmdcb, usercb, usercb_data);
+}
+
+static inline int
+hfa384x_dowrid_wait(hfa384x_t *hw, UINT16 rid, void *riddata, UINT riddatalen)
+{
+	return hfa384x_dowrid(hw, DOWAIT,
+	                      rid, riddata, riddatalen,
+	                      NULL, NULL, NULL);
+}
+
+static inline int
+hfa384x_dowrid_async(hfa384x_t *hw,
+                     UINT16 rid, void *riddata, UINT riddatalen,
+                     ctlx_cmdcb_t cmdcb,
+                     ctlx_usercb_t usercb,
+                     void *usercb_data)
+{
+	return hfa384x_dowrid(hw, DOASYNC,
+	                      rid, riddata, riddatalen,
+	                      cmdcb, usercb, usercb_data);
+}
+
+static inline int
+hfa384x_dormem_wait(hfa384x_t *hw,
+                    UINT16 page, UINT16 offset, void *data, UINT len)
+{
+	return hfa384x_dormem(hw, DOWAIT,
+	                      page, offset, data, len,
+	                      NULL, NULL, NULL);
+}
+
+static inline int
+hfa384x_dormem_async(hfa384x_t *hw,
+                     UINT16 page, UINT16 offset, void *data, UINT len,
+                     ctlx_cmdcb_t cmdcb,
+                     ctlx_usercb_t usercb,
+                     void *usercb_data)
+{
+	return hfa384x_dormem(hw, DOASYNC,
+	                      page, offset, data, len,
+	                      cmdcb, usercb, usercb_data);
+}
+
+static inline int
+hfa384x_dowmem_wait(
+        hfa384x_t *hw,
+        UINT16  page,
+        UINT16  offset,
+        void    *data,
+        UINT    len)
+{
+	return hfa384x_dowmem(hw, DOWAIT,
+                                  page, offset, data, len,
+	                          NULL, NULL, NULL);
+}
+
+static inline int
+hfa384x_dowmem_async(
+        hfa384x_t *hw,
+        UINT16  page,
+        UINT16  offset,
+        void    *data,
+        UINT    len,
+        ctlx_cmdcb_t cmdcb,
+        ctlx_usercb_t usercb,
+        void    *usercb_data)
+{
+	return hfa384x_dowmem(hw, DOASYNC,
+                                  page, offset, data, len,
+	                          cmdcb, usercb, usercb_data);
+}
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_initialize
+*
+* Issues the initialize command and sets the hw->state based
+* on the result.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int
+hfa384x_cmd_initialize(hfa384x_t *hw)
+{
+	int	result = 0;
+	int	i;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+
+	cmd.cmd = HFA384x_CMDCODE_INIT;
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+
+	WLAN_LOG_DEBUG(3,"cmdresp.init: "
+		"status=0x%04x, resp0=0x%04x, "
+		"resp1=0x%04x, resp2=0x%04x\n",
+		cmd.result.status,
+		cmd.result.resp0,
+		cmd.result.resp1,
+		cmd.result.resp2);
+	if ( result == 0 ) {
+		for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) {
+			hw->port_enabled[i] = 0;
+		}
+	}
+
+        hw->link_status = HFA384x_LINK_NOTCONNECTED;
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_disable
+*
+* Issues the disable command to stop communications on one of
+* the MACs 'ports'.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_cmd_disable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DISABLE) |
+		  HFA384x_CMD_MACPORT_SET(macport);
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_enable
+*
+* Issues the enable command to enable communications on one of
+* the MACs 'ports'.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_cmd_enable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_ENABLE) |
+		  HFA384x_CMD_MACPORT_SET(macport);
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_notify
+*
+* Sends an info frame to the firmware to alter the behavior
+* of the f/w asynch processes.  Can only be called when the MAC
+* is in the enabled state.
+*
+* Arguments:
+*	hw		device structure
+*	reclaim		[0|1] indicates whether the given FID will
+*			be handed back (via Alloc event) for reuse.
+*			(host order)
+*	fid		FID of buffer containing the frame that was
+*			previously copied to MAC memory via the bap.
+*			(host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*	hw->resp0 will contain the FID being used by async notify
+*	process.  If reclaim==0, resp0 will be the same as the fid
+*	argument.  If reclaim==1, resp0 will be the different.
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_cmd_notify(hfa384x_t *hw, UINT16 reclaim, UINT16 fid,
+		       void *buf, UINT16 len)
+{
+#if 0
+	int	result = 0;
+	UINT16	cmd;
+	DBFENTER;
+	cmd =	HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_NOTIFY) |
+		HFA384x_CMD_RECL_SET(reclaim);
+	result = hfa384x_docmd_wait(hw, cmd);
+
+	DBFEXIT;
+	return result;
+#endif
+return 0;
+}
+
+
+#if 0
+/*----------------------------------------------------------------
+* hfa384x_cmd_inquiry
+*
+* Requests an info frame from the firmware.  The info frame will
+* be delivered asynchronously via the Info event.
+*
+* Arguments:
+*	hw		device structure
+*	fid		FID of the info frame requested. (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_cmd_inquiry(hfa384x_t *hw, UINT16 fid)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_INQ);
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+	DBFEXIT;
+	return result;
+}
+#endif
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_monitor
+*
+* Enables the 'monitor mode' of the MAC.  Here's the description of
+* monitor mode that I've received thus far:
+*
+*  "The "monitor mode" of operation is that the MAC passes all
+*  frames for which the PLCP checks are correct. All received
+*  MPDUs are passed to the host with MAC Port = 7, with a
+*  receive status of good, FCS error, or undecryptable. Passing
+*  certain MPDUs is a violation of the 802.11 standard, but useful
+*  for a debugging tool."  Normal communication is not possible
+*  while monitor mode is enabled.
+*
+* Arguments:
+*	hw		device structure
+*	enable		a code (0x0b|0x0f) that enables/disables
+*			monitor mode. (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_cmd_monitor(hfa384x_t *hw, UINT16 enable)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_MONITOR) |
+		HFA384x_CMD_AINFO_SET(enable);
+	cmd.parm0 = 0;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_cmd_download
+*
+* Sets the controls for the MAC controller code/data download
+* process.  The arguments set the mode and address associated
+* with a download.  Note that the aux registers should be enabled
+* prior to setting one of the download enable modes.
+*
+* Arguments:
+*	hw		device structure
+*	mode		0 - Disable programming and begin code exec
+*			1 - Enable volatile mem programming
+*			2 - Enable non-volatile mem programming
+*			3 - Program non-volatile section from NV download
+*			    buffer.
+*			(host order)
+*	lowaddr
+*	highaddr	For mode 1, sets the high & low order bits of
+*			the "destination address".  This address will be
+*			the execution start address when download is
+*			subsequently disabled.
+*			For mode 2, sets the high & low order bits of
+*			the destination in NV ram.
+*			For modes 0 & 3, should be zero. (host order)
+*			NOTE: these are CMD format.
+*	codelen		Length of the data to write in mode 2,
+*			zero otherwise. (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_cmd_download(hfa384x_t *hw, UINT16 mode, UINT16 lowaddr,
+				UINT16 highaddr, UINT16 codelen)
+{
+	int	result = 0;
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+	WLAN_LOG_DEBUG(5,
+		"mode=%d, lowaddr=0x%04x, highaddr=0x%04x, codelen=%d\n",
+		mode, lowaddr, highaddr, codelen);
+
+	cmd.cmd = (HFA384x_CMD_CMDCODE_SET(HFA384x_CMDCODE_DOWNLD) |
+		   HFA384x_CMD_PROGMODE_SET(mode));
+
+	cmd.parm0 = lowaddr;
+	cmd.parm1 = highaddr;
+	cmd.parm2 = codelen;
+
+	result = hfa384x_docmd_wait(hw, &cmd);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_copy_from_aux
+*
+* Copies a collection of bytes from the controller memory.  The
+* Auxiliary port MUST be enabled prior to calling this function.
+* We _might_ be in a download state.
+*
+* Arguments:
+*	hw		device structure
+*	cardaddr	address in hfa384x data space to read
+*	auxctl		address space select
+*	buf		ptr to destination host buffer
+*	len		length of data to transfer (in bytes)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	buf contains the data copied
+*
+* Call context:
+*	process
+*	interrupt
+----------------------------------------------------------------*/
+void
+hfa384x_copy_from_aux(
+	hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len)
+{
+	DBFENTER;
+	WLAN_LOG_ERROR("not used in USB.\n");
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_copy_to_aux
+*
+* Copies a collection of bytes to the controller memory.  The
+* Auxiliary port MUST be enabled prior to calling this function.
+* We _might_ be in a download state.
+*
+* Arguments:
+*	hw		device structure
+*	cardaddr	address in hfa384x data space to read
+*	auxctl		address space select
+*	buf		ptr to destination host buffer
+*	len		length of data to transfer (in bytes)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	Controller memory now contains a copy of buf
+*
+* Call context:
+*	process
+*	interrupt
+----------------------------------------------------------------*/
+void
+hfa384x_copy_to_aux(
+	hfa384x_t *hw, UINT32 cardaddr, UINT32 auxctl, void *buf, UINT len)
+{
+	DBFENTER;
+	WLAN_LOG_ERROR("not used in USB.\n");
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_corereset
+*
+* Perform a reset of the hfa38xx MAC core.  We assume that the hw
+* structure is in its "created" state.  That is, it is initialized
+* with proper values.  Note that if a reset is done after the
+* device has been active for awhile, the caller might have to clean
+* up some leftover cruft in the hw structure.
+*
+* Arguments:
+*	hw		device structure
+*	holdtime	how long (in ms) to hold the reset
+*	settletime	how long (in ms) to wait after releasing
+*			the reset
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
+{
+#if 0
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+	struct usb_device	*parent = hw->usb->parent;
+	int			i;
+	int			port = -1;
+#endif
+#endif
+	int 			result = 0;
+
+
+#define P2_USB_RT_PORT		(USB_TYPE_CLASS | USB_RECIP_OTHER)
+#define P2_USB_FEAT_RESET	4
+#define P2_USB_FEAT_C_RESET	20
+
+	DBFENTER;
+
+#if 0
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+	/* Find the hub port */
+	for ( i = 0; i < parent->maxchild; i++) {
+		if (parent->children[i] == hw->usb) {
+			port = i;
+			break;
+		}
+	}
+	if (port < 0) return -ENOENT;
+
+	/* Set and clear the reset */
+	usb_control_msg(parent, usb_sndctrlpipe(parent, 0),
+		USB_REQ_SET_FEATURE, P2_USB_RT_PORT, P2_USB_FEAT_RESET,
+		port+1, NULL, 0, 1*HZ);
+	wait_ms(holdtime);
+	usb_control_msg(parent, usb_sndctrlpipe(parent, 0),
+		USB_REQ_CLEAR_FEATURE, P2_USB_RT_PORT, P2_USB_FEAT_C_RESET,
+		port+1, NULL, 0, 1*HZ);
+	wait_ms(settletime);
+
+	/* Set the device address */
+	result=usb_set_address(hw->usb);
+	if (result < 0) {
+		WLAN_LOG_ERROR("reset_usbdev: Dev not accepting address, "
+			"result=%d\n", result);
+		clear_bit(hw->usb->devnum, &hw->usb->bus->devmap.devicemap);
+		hw->usb->devnum = -1;
+		goto done;
+	}
+	/* Let the address settle */
+	wait_ms(20);
+
+	/* Assume we're reusing the original descriptor data */
+
+	/* Set the configuration. */
+	WLAN_LOG_DEBUG(3, "Setting Configuration %d\n",
+		hw->usb->config[0].bConfigurationValue);
+	result=usb_set_configuration(hw->usb, hw->usb->config[0].bConfigurationValue);
+	if ( result ) {
+		WLAN_LOG_ERROR("usb_set_configuration() failed, result=%d.\n",
+				result);
+		goto done;
+	}
+	/* Let the configuration settle */
+	wait_ms(20);
+
+ done:
+#else
+	result=usb_reset_device(hw->usb);
+	if(result<0) {
+		WLAN_LOG_ERROR("usb_reset_device() failed, result=%d.\n",result);
+	}
+#endif
+#endif
+
+	result=usb_reset_device(hw->usb);
+	if(result<0) {
+		WLAN_LOG_ERROR("usb_reset_device() failed, result=%d.\n",result);
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbctlx_complete_sync
+*
+* Waits for a synchronous CTLX object to complete,
+* and then handles the response.
+*
+* Arguments:
+*	hw		device structure
+*	ctlx	 	CTLX ptr
+*	completor	functor object to decide what to
+*			do with the CTLX's result.
+*
+* Returns:
+*	0		Success
+*	-ERESTARTSYS	Interrupted by a signal
+*	-EIO		CTLX failed
+*	-ENODEV		Adapter was unplugged
+*	???		Result from completor
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+static int hfa384x_usbctlx_complete_sync(hfa384x_t *hw,
+					 hfa384x_usbctlx_t *ctlx,
+					 usbctlx_completor_t *completor)
+{
+	unsigned long flags;
+	int result;
+
+	DBFENTER;
+
+	result = wait_for_completion_interruptible(&ctlx->done);
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	/*
+	 * We can only handle the CTLX if the USB disconnect
+	 * function has not run yet ...
+	 */
+	cleanup:
+	if ( hw->wlandev->hwremoved )
+	{
+		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+		result = -ENODEV;
+	}
+	else if ( result != 0 )
+	{
+		int runqueue = 0;
+
+		/*
+		 * We were probably interrupted, so delete
+		 * this CTLX asynchronously, kill the timers
+		 * and the URB, and then start the next
+		 * pending CTLX.
+		 *
+		 * NOTE: We can only delete the timers and
+		 *       the URB if this CTLX is active.
+		 */
+		if (ctlx == get_active_ctlx(hw))
+		{
+			spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+			del_singleshot_timer_sync(&hw->reqtimer);
+			del_singleshot_timer_sync(&hw->resptimer);
+			hw->req_timer_done = 1;
+			hw->resp_timer_done = 1;
+			usb_kill_urb(&hw->ctlx_urb);
+
+			spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+			runqueue = 1;
+
+			/*
+			 * This scenario is so unlikely that I'm
+			 * happy with a grubby "goto" solution ...
+			 */
+			if ( hw->wlandev->hwremoved )
+				goto cleanup;
+		}
+
+		/*
+		 * The completion task will send this CTLX
+		 * to the reaper the next time it runs. We
+		 * are no longer in a hurry.
+		 */
+		ctlx->reapable = 1;
+		ctlx->state = CTLX_REQ_FAILED;
+		list_move_tail(&ctlx->list, &hw->ctlxq.completing);
+
+		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+		if (runqueue)
+			hfa384x_usbctlxq_run(hw);
+	} else {
+		if (ctlx->state == CTLX_COMPLETE) {
+			result = completor->complete(completor);
+		} else {
+			WLAN_LOG_WARNING("CTLX[%d] error: state(%s)\n",
+			                 hfa384x2host_16(ctlx->outbuf.type),
+			                 ctlxstr(ctlx->state));
+			result = -EIO;
+		}
+
+		list_del(&ctlx->list);
+		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+		kfree(ctlx);
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_docmd
+*
+* Constructs a command CTLX and submits it.
+*
+* NOTE: Any changes to the 'post-submit' code in this function
+*       need to be carried over to hfa384x_cbcmd() since the handling
+*       is virtually identical.
+*
+* Arguments:
+*	hw		device structure
+*	mode		DOWAIT or DOASYNC
+*       cmd             cmd structure.  Includes all arguments and result
+*                       data points.  All in host order. in host order
+*	cmdcb		command-specific callback
+*	usercb		user callback for async calls, NULL for DOWAIT calls
+*	usercb_data	user supplied data pointer for async calls, NULL
+*			for DOASYNC calls
+*
+* Returns:
+*	0		success
+*	-EIO		CTLX failure
+*	-ERESTARTSYS	Awakened on signal
+*	>0		command indicated error, Status and Resp0-2 are
+*			in hw structure.
+*
+* Side effects:
+*
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+static int
+hfa384x_docmd(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	hfa384x_metacmd_t *cmd,
+	ctlx_cmdcb_t	cmdcb,
+	ctlx_usercb_t	usercb,
+	void	*usercb_data)
+{
+	int			result;
+	hfa384x_usbctlx_t	*ctlx;
+
+	DBFENTER;
+	ctlx = usbctlx_alloc();
+	if ( ctlx == NULL ) {
+		result = -ENOMEM;
+		goto done;
+	}
+
+	/* Initialize the command */
+	ctlx->outbuf.cmdreq.type = 	host2hfa384x_16(HFA384x_USB_CMDREQ);
+	ctlx->outbuf.cmdreq.cmd =	host2hfa384x_16(cmd->cmd);
+	ctlx->outbuf.cmdreq.parm0 =	host2hfa384x_16(cmd->parm0);
+	ctlx->outbuf.cmdreq.parm1 =	host2hfa384x_16(cmd->parm1);
+	ctlx->outbuf.cmdreq.parm2 =	host2hfa384x_16(cmd->parm2);
+
+	ctlx->outbufsize = sizeof(ctlx->outbuf.cmdreq);
+
+	WLAN_LOG_DEBUG(4, "cmdreq: cmd=0x%04x "
+		"parm0=0x%04x parm1=0x%04x parm2=0x%04x\n",
+		cmd->cmd,
+		cmd->parm0,
+		cmd->parm1,
+		cmd->parm2);
+
+	ctlx->reapable = mode;
+	ctlx->cmdcb = cmdcb;
+	ctlx->usercb = usercb;
+	ctlx->usercb_data = usercb_data;
+
+	result = hfa384x_usbctlx_submit(hw, ctlx);
+	if (result != 0) {
+		kfree(ctlx);
+	} else if (mode == DOWAIT) {
+		usbctlx_cmd_completor_t completor;
+
+		result = hfa384x_usbctlx_complete_sync(
+		             hw, ctlx, init_cmd_completor(&completor,
+		                                          &ctlx->inbuf.cmdresp,
+		                                          &cmd->result) );
+	}
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_dorrid
+*
+* Constructs a read rid CTLX and issues it.
+*
+* NOTE: Any changes to the 'post-submit' code in this function
+*       need to be carried over to hfa384x_cbrrid() since the handling
+*       is virtually identical.
+*
+* Arguments:
+*	hw		device structure
+*	mode		DOWAIT or DOASYNC
+*	rid		Read RID number (host order)
+*	riddata		Caller supplied buffer that MAC formatted RID.data
+*			record will be written to for DOWAIT calls. Should
+*			be NULL for DOASYNC calls.
+*	riddatalen	Buffer length for DOWAIT calls. Zero for DOASYNC calls.
+*	cmdcb		command callback for async calls, NULL for DOWAIT calls
+*	usercb		user callback for async calls, NULL for DOWAIT calls
+*	usercb_data	user supplied data pointer for async calls, NULL
+*			for DOWAIT calls
+*
+* Returns:
+*	0		success
+*	-EIO		CTLX failure
+*	-ERESTARTSYS	Awakened on signal
+*	-ENODATA	riddatalen != macdatalen
+*	>0		command indicated error, Status and Resp0-2 are
+*			in hw structure.
+*
+* Side effects:
+*
+* Call context:
+*	interrupt (DOASYNC)
+*	process (DOWAIT or DOASYNC)
+----------------------------------------------------------------*/
+static int
+hfa384x_dorrid(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	rid,
+	void	*riddata,
+	UINT	riddatalen,
+        ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data)
+{
+	int			result;
+	hfa384x_usbctlx_t	*ctlx;
+
+	DBFENTER;
+	ctlx = usbctlx_alloc();
+	if ( ctlx == NULL ) {
+		result = -ENOMEM;
+		goto done;
+	}
+
+	/* Initialize the command */
+	ctlx->outbuf.rridreq.type =   host2hfa384x_16(HFA384x_USB_RRIDREQ);
+	ctlx->outbuf.rridreq.frmlen =
+		host2hfa384x_16(sizeof(ctlx->outbuf.rridreq.rid));
+	ctlx->outbuf.rridreq.rid =    host2hfa384x_16(rid);
+
+	ctlx->outbufsize = sizeof(ctlx->outbuf.rridreq);
+
+	ctlx->reapable = mode;
+	ctlx->cmdcb = cmdcb;
+	ctlx->usercb = usercb;
+	ctlx->usercb_data = usercb_data;
+
+	/* Submit the CTLX */
+	result = hfa384x_usbctlx_submit(hw, ctlx);
+	if (result != 0) {
+		kfree(ctlx);
+	} else if (mode == DOWAIT) {
+		usbctlx_rrid_completor_t completor;
+
+		result = hfa384x_usbctlx_complete_sync(
+		           hw, ctlx, init_rrid_completor(&completor,
+		                                         &ctlx->inbuf.rridresp,
+		                                         riddata,
+		                                         riddatalen) );
+	}
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_dowrid
+*
+* Constructs a write rid CTLX and issues it.
+*
+* NOTE: Any changes to the 'post-submit' code in this function
+*       need to be carried over to hfa384x_cbwrid() since the handling
+*       is virtually identical.
+*
+* Arguments:
+*	hw		device structure
+*	CMD_MODE	DOWAIT or DOASYNC
+*	rid		RID code
+*	riddata		Data portion of RID formatted for MAC
+*	riddatalen	Length of the data portion in bytes
+*       cmdcb           command callback for async calls, NULL for DOWAIT calls
+*	usercb		user callback for async calls, NULL for DOWAIT calls
+*	usercb_data	user supplied data pointer for async calls
+*
+* Returns:
+*	0		success
+*	-ETIMEDOUT	timed out waiting for register ready or
+*			command completion
+*	>0		command indicated error, Status and Resp0-2 are
+*			in hw structure.
+*
+* Side effects:
+*
+* Call context:
+*	interrupt (DOASYNC)
+*	process (DOWAIT or DOASYNC)
+----------------------------------------------------------------*/
+static int
+hfa384x_dowrid(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	rid,
+	void	*riddata,
+	UINT	riddatalen,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data)
+{
+	int			result;
+	hfa384x_usbctlx_t	*ctlx;
+
+	DBFENTER;
+	ctlx = usbctlx_alloc();
+	if ( ctlx == NULL ) {
+		result = -ENOMEM;
+		goto done;
+	}
+
+	/* Initialize the command */
+	ctlx->outbuf.wridreq.type =   host2hfa384x_16(HFA384x_USB_WRIDREQ);
+	ctlx->outbuf.wridreq.frmlen = host2hfa384x_16(
+					(sizeof(ctlx->outbuf.wridreq.rid) +
+					riddatalen + 1) / 2);
+	ctlx->outbuf.wridreq.rid =    host2hfa384x_16(rid);
+	memcpy(ctlx->outbuf.wridreq.data, riddata, riddatalen);
+
+	ctlx->outbufsize = sizeof(ctlx->outbuf.wridreq.type) +
+	                   sizeof(ctlx->outbuf.wridreq.frmlen) +
+	                   sizeof(ctlx->outbuf.wridreq.rid) +
+	                   riddatalen;
+
+	ctlx->reapable = mode;
+	ctlx->cmdcb = cmdcb;
+	ctlx->usercb = usercb;
+	ctlx->usercb_data = usercb_data;
+
+	/* Submit the CTLX */
+	result = hfa384x_usbctlx_submit(hw, ctlx);
+	if (result != 0) {
+		kfree(ctlx);
+	} else if (mode == DOWAIT) {
+		usbctlx_wrid_completor_t completor;
+		hfa384x_cmdresult_t wridresult;
+
+		result = hfa384x_usbctlx_complete_sync(
+		               hw,
+		               ctlx,
+		               init_wrid_completor(&completor,
+		                                   &ctlx->inbuf.wridresp,
+		                                   &wridresult) );
+	}
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_dormem
+*
+* Constructs a readmem CTLX and issues it.
+*
+* NOTE: Any changes to the 'post-submit' code in this function
+*       need to be carried over to hfa384x_cbrmem() since the handling
+*       is virtually identical.
+*
+* Arguments:
+*	hw		device structure
+*	mode		DOWAIT or DOASYNC
+*	page		MAC address space page (CMD format)
+*	offset		MAC address space offset
+*	data		Ptr to data buffer to receive read
+*	len		Length of the data to read (max == 2048)
+*	cmdcb		command callback for async calls, NULL for DOWAIT calls
+*	usercb		user callback for async calls, NULL for DOWAIT calls
+*	usercb_data	user supplied data pointer for async calls
+*
+* Returns:
+*	0		success
+*	-ETIMEDOUT	timed out waiting for register ready or
+*			command completion
+*	>0		command indicated error, Status and Resp0-2 are
+*			in hw structure.
+*
+* Side effects:
+*
+* Call context:
+*	interrupt (DOASYNC)
+*	process (DOWAIT or DOASYNC)
+----------------------------------------------------------------*/
+static int
+hfa384x_dormem(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	page,
+	UINT16	offset,
+	void	*data,
+	UINT	len,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data)
+{
+	int			result;
+	hfa384x_usbctlx_t	*ctlx;
+
+	DBFENTER;
+	ctlx = usbctlx_alloc();
+	if ( ctlx == NULL ) {
+		result = -ENOMEM;
+		goto done;
+	}
+
+	/* Initialize the command */
+	ctlx->outbuf.rmemreq.type =    host2hfa384x_16(HFA384x_USB_RMEMREQ);
+	ctlx->outbuf.rmemreq.frmlen =  host2hfa384x_16(
+					sizeof(ctlx->outbuf.rmemreq.offset) +
+					sizeof(ctlx->outbuf.rmemreq.page) +
+					len);
+	ctlx->outbuf.rmemreq.offset =	host2hfa384x_16(offset);
+	ctlx->outbuf.rmemreq.page =	host2hfa384x_16(page);
+
+	ctlx->outbufsize = sizeof(ctlx->outbuf.rmemreq);
+
+	WLAN_LOG_DEBUG(4,
+		"type=0x%04x frmlen=%d offset=0x%04x page=0x%04x\n",
+		ctlx->outbuf.rmemreq.type,
+		ctlx->outbuf.rmemreq.frmlen,
+		ctlx->outbuf.rmemreq.offset,
+		ctlx->outbuf.rmemreq.page);
+
+	WLAN_LOG_DEBUG(4,"pktsize=%zd\n",
+		ROUNDUP64(sizeof(ctlx->outbuf.rmemreq)));
+
+	ctlx->reapable = mode;
+	ctlx->cmdcb = cmdcb;
+	ctlx->usercb = usercb;
+	ctlx->usercb_data = usercb_data;
+
+	result = hfa384x_usbctlx_submit(hw, ctlx);
+	if (result != 0) {
+		kfree(ctlx);
+	} else if ( mode == DOWAIT ) {
+                usbctlx_rmem_completor_t completor;
+
+                result = hfa384x_usbctlx_complete_sync(
+                           hw, ctlx, init_rmem_completor(&completor,
+                                                         &ctlx->inbuf.rmemresp,
+                                                         data,
+                                                         len) );
+	}
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+
+/*----------------------------------------------------------------
+* hfa384x_dowmem
+*
+* Constructs a writemem CTLX and issues it.
+*
+* NOTE: Any changes to the 'post-submit' code in this function
+*       need to be carried over to hfa384x_cbwmem() since the handling
+*       is virtually identical.
+*
+* Arguments:
+*	hw		device structure
+*	mode		DOWAIT or DOASYNC
+*	page		MAC address space page (CMD format)
+*	offset		MAC address space offset
+*	data		Ptr to data buffer containing write data
+*	len		Length of the data to read (max == 2048)
+*	cmdcb		command callback for async calls, NULL for DOWAIT calls
+*	usercb		user callback for async calls, NULL for DOWAIT calls
+*	usercb_data	user supplied data pointer for async calls.
+*
+* Returns:
+*	0		success
+*	-ETIMEDOUT	timed out waiting for register ready or
+*			command completion
+*	>0		command indicated error, Status and Resp0-2 are
+*			in hw structure.
+*
+* Side effects:
+*
+* Call context:
+*	interrupt (DOWAIT)
+*	process (DOWAIT or DOASYNC)
+----------------------------------------------------------------*/
+static int
+hfa384x_dowmem(
+	hfa384x_t *hw,
+	CMD_MODE mode,
+	UINT16	page,
+	UINT16	offset,
+	void	*data,
+	UINT	len,
+	ctlx_cmdcb_t cmdcb,
+	ctlx_usercb_t usercb,
+	void	*usercb_data)
+{
+	int			result;
+	hfa384x_usbctlx_t	*ctlx;
+
+	DBFENTER;
+	WLAN_LOG_DEBUG(5, "page=0x%04x offset=0x%04x len=%d\n",
+		page,offset,len);
+
+	ctlx = usbctlx_alloc();
+	if ( ctlx == NULL ) {
+		result = -ENOMEM;
+		goto done;
+	}
+
+	/* Initialize the command */
+	ctlx->outbuf.wmemreq.type =   host2hfa384x_16(HFA384x_USB_WMEMREQ);
+	ctlx->outbuf.wmemreq.frmlen = host2hfa384x_16(
+					sizeof(ctlx->outbuf.wmemreq.offset) +
+					sizeof(ctlx->outbuf.wmemreq.page) +
+					len);
+	ctlx->outbuf.wmemreq.offset = host2hfa384x_16(offset);
+	ctlx->outbuf.wmemreq.page =   host2hfa384x_16(page);
+	memcpy(ctlx->outbuf.wmemreq.data, data, len);
+
+	ctlx->outbufsize = sizeof(ctlx->outbuf.wmemreq.type) +
+	                   sizeof(ctlx->outbuf.wmemreq.frmlen) +
+	                   sizeof(ctlx->outbuf.wmemreq.offset) +
+	                   sizeof(ctlx->outbuf.wmemreq.page) +
+	                   len;
+
+	ctlx->reapable = mode;
+	ctlx->cmdcb = cmdcb;
+	ctlx->usercb = usercb;
+	ctlx->usercb_data = usercb_data;
+
+	result = hfa384x_usbctlx_submit(hw, ctlx);
+	if (result != 0) {
+		kfree(ctlx);
+	} else if ( mode == DOWAIT ) {
+                usbctlx_wmem_completor_t completor;
+                hfa384x_cmdresult_t wmemresult;
+
+                result = hfa384x_usbctlx_complete_sync(
+                               hw,
+                               ctlx,
+                               init_wmem_completor(&completor,
+                                                   &ctlx->inbuf.wmemresp,
+                                                   &wmemresult) );
+	}
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_commtallies
+*
+* Send a commtallies inquiry to the MAC.  Note that this is an async
+* call that will result in an info frame arriving sometime later.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	zero		success.
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_commtallies( hfa384x_t *hw )
+{
+	hfa384x_metacmd_t cmd;
+
+	DBFENTER;
+
+	cmd.cmd = HFA384x_CMDCODE_INQ;
+	cmd.parm0 = HFA384x_IT_COMMTALLIES;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+	hfa384x_docmd_async(hw, &cmd, NULL, NULL, NULL);
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_disable
+*
+* Issues the disable command to stop communications on one of
+* the MACs 'ports'.  Only macport 0 is valid  for stations.
+* APs may also disable macports 1-6.  Only ports that have been
+* previously enabled may be disabled.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number (host order)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_disable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+
+	DBFENTER;
+	if ((!hw->isap && macport != 0) ||
+	    (hw->isap && !(macport <= HFA384x_PORTID_MAX)) ||
+	    !(hw->port_enabled[macport]) ){
+		result = -EINVAL;
+	} else {
+		result = hfa384x_cmd_disable(hw, macport);
+		if ( result == 0 ) {
+			hw->port_enabled[macport] = 0;
+		}
+	}
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_enable
+*
+* Issues the enable command to enable communications on one of
+* the MACs 'ports'.  Only macport 0 is valid  for stations.
+* APs may also enable macports 1-6.  Only ports that are currently
+* disabled may be enabled.
+*
+* Arguments:
+*	hw		device structure
+*	macport		MAC port number
+*
+* Returns:
+*	0		success
+*	>0		f/w reported failure - f/w status code
+*	<0		driver reported error (timeout|bad arg)
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_enable(hfa384x_t *hw, UINT16 macport)
+{
+	int	result = 0;
+
+	DBFENTER;
+	if ((!hw->isap && macport != 0) ||
+	    (hw->isap && !(macport <= HFA384x_PORTID_MAX)) ||
+	    (hw->port_enabled[macport]) ){
+		result = -EINVAL;
+	} else {
+		result = hfa384x_cmd_enable(hw, macport);
+		if ( result == 0 ) {
+			hw->port_enabled[macport] = 1;
+		}
+	}
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_flashdl_enable
+*
+* Begins the flash download state.  Checks to see that we're not
+* already in a download state and that a port isn't enabled.
+* Sets the download state and retrieves the flash download
+* buffer location, buffer size, and timeout length.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_flashdl_enable(hfa384x_t *hw)
+{
+	int		result = 0;
+	int		i;
+
+	DBFENTER;
+	/* Check that a port isn't active */
+	for ( i = 0; i < HFA384x_PORTID_MAX; i++) {
+		if ( hw->port_enabled[i] ) {
+			WLAN_LOG_DEBUG(1,"called when port enabled.\n");
+			return -EINVAL;
+		}
+	}
+
+	/* Check that we're not already in a download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) {
+		return -EINVAL;
+	}
+
+	/* Retrieve the buffer loc&size and timeout */
+	if ( (result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER,
+				&(hw->bufinfo), sizeof(hw->bufinfo))) ) {
+		return result;
+	}
+	hw->bufinfo.page = hfa384x2host_16(hw->bufinfo.page);
+	hw->bufinfo.offset = hfa384x2host_16(hw->bufinfo.offset);
+	hw->bufinfo.len = hfa384x2host_16(hw->bufinfo.len);
+	if ( (result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME,
+				&(hw->dltimeout))) ) {
+		return result;
+	}
+	hw->dltimeout = hfa384x2host_16(hw->dltimeout);
+
+	WLAN_LOG_DEBUG(1,"flashdl_enable\n");
+
+	hw->dlstate = HFA384x_DLSTATE_FLASHENABLED;
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_flashdl_disable
+*
+* Ends the flash download state.  Note that this will cause the MAC
+* firmware to restart.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_flashdl_disable(hfa384x_t *hw)
+{
+	DBFENTER;
+	/* Check that we're already in the download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) {
+		return -EINVAL;
+	}
+
+	WLAN_LOG_DEBUG(1,"flashdl_enable\n");
+
+	/* There isn't much we can do at this point, so I don't */
+	/*  bother  w/ the return value */
+	hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0);
+	hw->dlstate = HFA384x_DLSTATE_DISABLED;
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_flashdl_write
+*
+* Performs a FLASH download of a chunk of data. First checks to see
+* that we're in the FLASH download state, then sets the download
+* mode, uses the aux functions to 1) copy the data to the flash
+* buffer, 2) sets the download 'write flash' mode, 3) readback and
+* compare.  Lather rinse, repeat as many times an necessary to get
+* all the given data into flash.
+* When all data has been written using this function (possibly
+* repeatedly), call drvr_flashdl_disable() to end the download state
+* and restart the MAC.
+*
+* Arguments:
+*	hw		device structure
+*	daddr		Card address to write to. (host order)
+*	buf		Ptr to data to write.
+*	len		Length of data (host order).
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int
+hfa384x_drvr_flashdl_write(
+	hfa384x_t	*hw,
+	UINT32		daddr,
+	void		*buf,
+	UINT32		len)
+{
+	int		result = 0;
+	UINT32		dlbufaddr;
+	int		nburns;
+	UINT32		burnlen;
+	UINT32		burndaddr;
+	UINT16		burnlo;
+	UINT16		burnhi;
+	int		nwrites;
+	UINT8		*writebuf;
+	UINT16		writepage;
+	UINT16		writeoffset;
+	UINT32		writelen;
+	int		i;
+	int		j;
+
+	DBFENTER;
+	WLAN_LOG_DEBUG(5,"daddr=0x%08x len=%d\n", daddr, len);
+
+	/* Check that we're in the flash download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_FLASHENABLED ) {
+		return -EINVAL;
+	}
+
+	WLAN_LOG_INFO("Download %d bytes to flash @0x%06x\n", len, daddr);
+
+	/* Convert to flat address for arithmetic */
+	/* NOTE: dlbuffer RID stores the address in AUX format */
+	dlbufaddr = HFA384x_ADDR_AUX_MKFLAT(
+			hw->bufinfo.page, hw->bufinfo.offset);
+	WLAN_LOG_DEBUG(5,
+		"dlbuf.page=0x%04x dlbuf.offset=0x%04x dlbufaddr=0x%08x\n",
+		hw->bufinfo.page, hw->bufinfo.offset, dlbufaddr);
+
+#if 0
+WLAN_LOG_WARNING("dlbuf@0x%06lx len=%d to=%d\n", dlbufaddr, hw->bufinfo.len, hw->dltimeout);
+#endif
+	/* Calculations to determine how many fills of the dlbuffer to do
+	 * and how many USB wmemreq's to do for each fill.  At this point
+	 * in time, the dlbuffer size and the wmemreq size are the same.
+	 * Therefore, nwrites should always be 1.  The extra complexity
+	 * here is a hedge against future changes.
+	 */
+
+	/* Figure out how many times to do the flash programming */
+	nburns = len / hw->bufinfo.len;
+	nburns += (len % hw->bufinfo.len) ? 1 : 0;
+
+	/* For each flash program cycle, how many USB wmemreq's are needed? */
+	nwrites = hw->bufinfo.len / HFA384x_USB_RWMEM_MAXLEN;
+	nwrites += (hw->bufinfo.len % HFA384x_USB_RWMEM_MAXLEN) ? 1 : 0;
+
+	/* For each burn */
+	for ( i = 0; i < nburns; i++) {
+		/* Get the dest address and len */
+		burnlen = (len - (hw->bufinfo.len * i)) > hw->bufinfo.len ?
+				hw->bufinfo.len :
+				(len - (hw->bufinfo.len * i));
+		burndaddr = daddr + (hw->bufinfo.len * i);
+		burnlo = HFA384x_ADDR_CMD_MKOFF(burndaddr);
+		burnhi = HFA384x_ADDR_CMD_MKPAGE(burndaddr);
+
+		WLAN_LOG_INFO("Writing %d bytes to flash @0x%06x\n",
+			burnlen, burndaddr);
+
+		/* Set the download mode */
+		result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_NV,
+				burnlo, burnhi, burnlen);
+		if ( result ) {
+			WLAN_LOG_ERROR("download(NV,lo=%x,hi=%x,len=%x) "
+				"cmd failed, result=%d. Aborting d/l\n",
+				burnlo, burnhi, burnlen, result);
+			goto exit_proc;
+		}
+
+		/* copy the data to the flash download buffer */
+		for ( j=0; j < nwrites; j++) {
+			writebuf = buf +
+				(i*hw->bufinfo.len) +
+				(j*HFA384x_USB_RWMEM_MAXLEN);
+
+			writepage = HFA384x_ADDR_CMD_MKPAGE(
+					dlbufaddr +
+					(j*HFA384x_USB_RWMEM_MAXLEN));
+			writeoffset = HFA384x_ADDR_CMD_MKOFF(
+					dlbufaddr +
+					(j*HFA384x_USB_RWMEM_MAXLEN));
+
+			writelen = burnlen-(j*HFA384x_USB_RWMEM_MAXLEN);
+			writelen = writelen  > HFA384x_USB_RWMEM_MAXLEN ?
+					HFA384x_USB_RWMEM_MAXLEN :
+					writelen;
+
+			result = hfa384x_dowmem_wait( hw,
+					writepage,
+					writeoffset,
+					writebuf,
+					writelen );
+#if 0
+
+Comment out for debugging, assume the write was successful.
+			if (result) {
+				WLAN_LOG_ERROR(
+					"Write to dl buffer failed, "
+					"result=0x%04x. Aborting.\n",
+					result);
+				goto exit_proc;
+			}
+#endif
+
+		}
+
+		/* set the download 'write flash' mode */
+		result = hfa384x_cmd_download(hw,
+				HFA384x_PROGMODE_NVWRITE,
+				0,0,0);
+		if ( result ) {
+			WLAN_LOG_ERROR(
+				"download(NVWRITE,lo=%x,hi=%x,len=%x) "
+				"cmd failed, result=%d. Aborting d/l\n",
+				burnlo, burnhi, burnlen, result);
+			goto exit_proc;
+		}
+
+		/* TODO: We really should do a readback and compare. */
+	}
+
+exit_proc:
+
+	/* Leave the firmware in the 'post-prog' mode.  flashdl_disable will */
+	/*  actually disable programming mode.  Remember, that will cause the */
+	/*  the firmware to effectively reset itself. */
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_getconfig
+*
+* Performs the sequence necessary to read a config/info item.
+*
+* Arguments:
+*	hw		device structure
+*	rid		config/info record id (host order)
+*	buf		host side record buffer.  Upon return it will
+*			contain the body portion of the record (minus the
+*			RID and len).
+*	len		buffer length (in bytes, should match record length)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*	-ENODATA 	length mismatch between argument and retrieved
+*			record.
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_getconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len)
+{
+	int 			result;
+	DBFENTER;
+
+	result = hfa384x_dorrid_wait(hw, rid, buf, len);
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+ * hfa384x_drvr_getconfig_async
+ *
+ * Performs the sequence necessary to perform an async read of
+ * of a config/info item.
+ *
+ * Arguments:
+ *       hw              device structure
+ *       rid             config/info record id (host order)
+ *       buf             host side record buffer.  Upon return it will
+ *                       contain the body portion of the record (minus the
+ *                       RID and len).
+ *       len             buffer length (in bytes, should match record length)
+ *       cbfn            caller supplied callback, called when the command
+ *                       is done (successful or not).
+ *       cbfndata        pointer to some caller supplied data that will be
+ *                       passed in as an argument to the cbfn.
+ *
+ * Returns:
+ *       nothing         the cbfn gets a status argument identifying if
+ *                       any errors occur.
+ * Side effects:
+ *       Queues an hfa384x_usbcmd_t for subsequent execution.
+ *
+ * Call context:
+ *       Any
+ ----------------------------------------------------------------*/
+int
+hfa384x_drvr_getconfig_async(
+         hfa384x_t               *hw,
+         UINT16                  rid,
+         ctlx_usercb_t           usercb,
+         void                    *usercb_data)
+{
+         return hfa384x_dorrid_async(hw, rid, NULL, 0,
+				     hfa384x_cb_rrid, usercb, usercb_data);
+}
+
+/*----------------------------------------------------------------
+ * hfa384x_drvr_setconfig_async
+ *
+ * Performs the sequence necessary to write a config/info item.
+ *
+ * Arguments:
+ *       hw              device structure
+ *       rid             config/info record id (in host order)
+ *       buf             host side record buffer
+ *       len             buffer length (in bytes)
+ *       usercb          completion callback
+ *       usercb_data     completion callback argument
+ *
+ * Returns:
+ *       0               success
+ *       >0              f/w reported error - f/w status code
+ *       <0              driver reported error
+ *
+ * Side effects:
+ *
+ * Call context:
+ *       process
+ ----------------------------------------------------------------*/
+int
+hfa384x_drvr_setconfig_async(
+         hfa384x_t       *hw,
+         UINT16          rid,
+         void            *buf,
+         UINT16          len,
+         ctlx_usercb_t   usercb,
+         void            *usercb_data)
+{
+	return hfa384x_dowrid_async(hw, rid, buf, len,
+				    hfa384x_cb_status, usercb, usercb_data);
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_handover
+*
+* Sends a handover notification to the MAC.
+*
+* Arguments:
+*	hw		device structure
+*	addr		address of station that's left
+*
+* Returns:
+*	zero		success.
+*	-ERESTARTSYS	received signal while waiting for semaphore.
+*	-EIO		failed to write to bap, or failed in cmd.
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_handover( hfa384x_t *hw, UINT8 *addr)
+{
+        DBFENTER;
+	WLAN_LOG_ERROR("Not currently supported in USB!\n");
+	DBFEXIT;
+	return -EIO;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_low_level
+*
+* Write test commands to the card.  Some test commands don't make
+* sense without prior set-up.  For example, continous TX isn't very
+* useful until you set the channel.  That functionality should be
+*
+* Side effects:
+*
+* Call context:
+*      process thread
+* -----------------------------------------------------------------*/
+int hfa384x_drvr_low_level(hfa384x_t *hw, hfa384x_metacmd_t *cmd)
+{
+	int             result;
+	DBFENTER;
+
+	/* Do i need a host2hfa... conversion ? */
+
+	result = hfa384x_docmd_wait(hw, cmd);
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_mmi_read
+*
+* Read mmi registers.  mmi is intersil-speak for the baseband
+* processor registers.
+*
+* Arguments:
+*       hw              device structure
+*       register        The test register to be accessed (must be even #).
+*
+* Returns:
+*       0               success
+*       >0              f/w reported error - f/w status code
+*       <0              driver reported error
+*
+* Side effects:
+*
+* Call context:
+*       process
+----------------------------------------------------------------*/
+int hfa384x_drvr_mmi_read(hfa384x_t *hw, UINT32 addr, UINT32 *resp)
+{
+#if 0
+        int             result = 0;
+        UINT16  cmd_code = (UINT16) 0x30;
+        UINT16 param = (UINT16) addr;
+        DBFENTER;
+
+        /* Do i need a host2hfa... conversion ? */
+        result = hfa384x_docmd_wait(hw, cmd_code);
+
+        DBFEXIT;
+        return result;
+#endif
+return 0;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_mmi_write
+*
+* Read mmi registers.  mmi is intersil-speak for the baseband
+* processor registers.
+*
+* Arguments:
+*       hw              device structure
+*       addr            The test register to be accessed (must be even #).
+*       data            The data value to write to the register.
+*
+* Returns:
+*       0               success
+*       >0              f/w reported error - f/w status code
+*       <0              driver reported error
+*
+* Side effects:
+*
+* Call context:
+*       process
+----------------------------------------------------------------*/
+
+int
+hfa384x_drvr_mmi_write(hfa384x_t *hw, UINT32 addr, UINT32 data)
+{
+#if 0
+        int             result = 0;
+        UINT16  cmd_code = (UINT16) 0x31;
+        UINT16 param0 = (UINT16) addr;
+        UINT16 param1 = (UINT16) data;
+        DBFENTER;
+
+        WLAN_LOG_DEBUG(1,"mmi write : addr = 0x%08lx\n", addr);
+        WLAN_LOG_DEBUG(1,"mmi write : data = 0x%08lx\n", data);
+
+        /* Do i need a host2hfa... conversion ? */
+        result = hfa384x_docmd_wait(hw, cmd_code);
+
+        DBFEXIT;
+        return result;
+#endif
+return 0;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_ramdl_disable
+*
+* Ends the ram download state.
+*
+* Arguments:
+*	hw		device structure
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int
+hfa384x_drvr_ramdl_disable(hfa384x_t *hw)
+{
+	DBFENTER;
+	/* Check that we're already in the download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) {
+		return -EINVAL;
+	}
+
+	WLAN_LOG_DEBUG(3,"ramdl_disable()\n");
+
+	/* There isn't much we can do at this point, so I don't */
+	/*  bother  w/ the return value */
+	hfa384x_cmd_download(hw, HFA384x_PROGMODE_DISABLE, 0, 0 , 0);
+	hw->dlstate = HFA384x_DLSTATE_DISABLED;
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_ramdl_enable
+*
+* Begins the ram download state.  Checks to see that we're not
+* already in a download state and that a port isn't enabled.
+* Sets the download state and calls cmd_download with the
+* ENABLE_VOLATILE subcommand and the exeaddr argument.
+*
+* Arguments:
+*	hw		device structure
+*	exeaddr		the card execution address that will be
+*                       jumped to when ramdl_disable() is called
+*			(host order).
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int
+hfa384x_drvr_ramdl_enable(hfa384x_t *hw, UINT32 exeaddr)
+{
+	int		result = 0;
+	UINT16		lowaddr;
+	UINT16		hiaddr;
+	int		i;
+	DBFENTER;
+	/* Check that a port isn't active */
+	for ( i = 0; i < HFA384x_PORTID_MAX; i++) {
+		if ( hw->port_enabled[i] ) {
+			WLAN_LOG_ERROR(
+				"Can't download with a macport enabled.\n");
+			return -EINVAL;
+		}
+	}
+
+	/* Check that we're not already in a download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_DISABLED ) {
+		WLAN_LOG_ERROR(
+			"Download state not disabled.\n");
+		return -EINVAL;
+	}
+
+	WLAN_LOG_DEBUG(3,"ramdl_enable, exeaddr=0x%08x\n", exeaddr);
+
+	/* Call the download(1,addr) function */
+	lowaddr = HFA384x_ADDR_CMD_MKOFF(exeaddr);
+	hiaddr =  HFA384x_ADDR_CMD_MKPAGE(exeaddr);
+
+	result = hfa384x_cmd_download(hw, HFA384x_PROGMODE_RAM,
+			lowaddr, hiaddr, 0);
+
+	if ( result == 0) {
+		/* Set the download state */
+		hw->dlstate = HFA384x_DLSTATE_RAMENABLED;
+	} else {
+		WLAN_LOG_DEBUG(1,
+			"cmd_download(0x%04x, 0x%04x) failed, result=%d.\n",
+			lowaddr,
+			hiaddr,
+			result);
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_ramdl_write
+*
+* Performs a RAM download of a chunk of data. First checks to see
+* that we're in the RAM download state, then uses the [read|write]mem USB
+* commands to 1) copy the data, 2) readback and compare.  The download
+* state is unaffected.  When all data has been written using
+* this function, call drvr_ramdl_disable() to end the download state
+* and restart the MAC.
+*
+* Arguments:
+*	hw		device structure
+*	daddr		Card address to write to. (host order)
+*	buf		Ptr to data to write.
+*	len		Length of data (host order).
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int
+hfa384x_drvr_ramdl_write(hfa384x_t *hw, UINT32 daddr, void* buf, UINT32 len)
+{
+	int		result = 0;
+	int		nwrites;
+	UINT8		*data = buf;
+	int		i;
+	UINT32		curraddr;
+	UINT16		currpage;
+	UINT16		curroffset;
+	UINT16		currlen;
+	DBFENTER;
+	/* Check that we're in the ram download state */
+	if ( hw->dlstate != HFA384x_DLSTATE_RAMENABLED ) {
+		return -EINVAL;
+	}
+
+	WLAN_LOG_INFO("Writing %d bytes to ram @0x%06x\n", len, daddr);
+
+	/* How many dowmem calls?  */
+	nwrites = len / HFA384x_USB_RWMEM_MAXLEN;
+	nwrites += len % HFA384x_USB_RWMEM_MAXLEN ? 1 : 0;
+
+	/* Do blocking wmem's */
+	for(i=0; i < nwrites; i++) {
+		/* make address args */
+		curraddr = daddr + (i * HFA384x_USB_RWMEM_MAXLEN);
+		currpage = HFA384x_ADDR_CMD_MKPAGE(curraddr);
+		curroffset = HFA384x_ADDR_CMD_MKOFF(curraddr);
+		currlen = len - (i * HFA384x_USB_RWMEM_MAXLEN);
+		if ( currlen > HFA384x_USB_RWMEM_MAXLEN) {
+			currlen = HFA384x_USB_RWMEM_MAXLEN;
+		}
+
+	 	/* Do blocking ctlx */
+		result = hfa384x_dowmem_wait( hw,
+				currpage,
+				curroffset,
+				data + (i*HFA384x_USB_RWMEM_MAXLEN),
+				currlen );
+
+		if (result) break;
+
+		/* TODO: We really should have a readback. */
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_readpda
+*
+* Performs the sequence to read the PDA space.  Note there is no
+* drvr_writepda() function.  Writing a PDA is
+* generally implemented by a calling component via calls to
+* cmd_download and writing to the flash download buffer via the
+* aux regs.
+*
+* Arguments:
+*	hw		device structure
+*	buf		buffer to store PDA in
+*	len		buffer length
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*	-ETIMEOUT	timout waiting for the cmd regs to become
+*			available, or waiting for the control reg
+*			to indicate the Aux port is enabled.
+*	-ENODATA	the buffer does NOT contain a valid PDA.
+*			Either the card PDA is bad, or the auxdata
+*			reads are giving us garbage.
+
+*
+* Side effects:
+*
+* Call context:
+*	process or non-card interrupt.
+----------------------------------------------------------------*/
+int hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, UINT len)
+{
+	int		result = 0;
+	UINT16		*pda = buf;
+	int		pdaok = 0;
+	int		morepdrs = 1;
+	int		currpdr = 0;	/* word offset of the current pdr */
+	size_t		i;
+	UINT16		pdrlen;		/* pdr length in bytes, host order */
+	UINT16		pdrcode;	/* pdr code, host order */
+	UINT16		currpage;
+	UINT16		curroffset;
+	struct pdaloc {
+		UINT32	cardaddr;
+		UINT16	auxctl;
+	} pdaloc[] =
+	{
+		{ HFA3842_PDA_BASE,		0},
+		{ HFA3841_PDA_BASE,		0},
+		{ HFA3841_PDA_BOGUS_BASE,	0}
+	};
+
+	DBFENTER;
+
+	/* Read the pda from each known address.  */
+	for ( i = 0; i < ARRAY_SIZE(pdaloc); i++) {
+		/* Make address */
+		currpage = HFA384x_ADDR_CMD_MKPAGE(pdaloc[i].cardaddr);
+		curroffset = HFA384x_ADDR_CMD_MKOFF(pdaloc[i].cardaddr);
+
+		result = hfa384x_dormem_wait(hw,
+			currpage,
+			curroffset,
+			buf,
+			len);		/* units of bytes */
+
+		if (result) {
+			WLAN_LOG_WARNING(
+					  "Read from index %zd failed, continuing\n",
+				i );
+			continue;
+		}
+
+		/* Test for garbage */
+		pdaok = 1;	/* initially assume good */
+		morepdrs = 1;
+		while ( pdaok && morepdrs ) {
+			pdrlen = hfa384x2host_16(pda[currpdr]) * 2;
+			pdrcode = hfa384x2host_16(pda[currpdr+1]);
+			/* Test the record length */
+			if ( pdrlen > HFA384x_PDR_LEN_MAX || pdrlen == 0) {
+				WLAN_LOG_ERROR("pdrlen invalid=%d\n",
+					pdrlen);
+				pdaok = 0;
+				break;
+			}
+			/* Test the code */
+			if ( !hfa384x_isgood_pdrcode(pdrcode) ) {
+				WLAN_LOG_ERROR("pdrcode invalid=%d\n",
+					pdrcode);
+				pdaok = 0;
+				break;
+			}
+			/* Test for completion */
+			if ( pdrcode == HFA384x_PDR_END_OF_PDA) {
+				morepdrs = 0;
+			}
+
+			/* Move to the next pdr (if necessary) */
+			if ( morepdrs ) {
+				/* note the access to pda[], need words here */
+				currpdr += hfa384x2host_16(pda[currpdr]) + 1;
+			}
+		}
+		if ( pdaok ) {
+			WLAN_LOG_INFO(
+				"PDA Read from 0x%08x in %s space.\n",
+				pdaloc[i].cardaddr,
+				pdaloc[i].auxctl == 0 ? "EXTDS" :
+				pdaloc[i].auxctl == 1 ? "NV" :
+				pdaloc[i].auxctl == 2 ? "PHY" :
+				pdaloc[i].auxctl == 3 ? "ICSRAM" :
+				"<bogus auxctl>");
+			break;
+		}
+	}
+	result = pdaok ? 0 : -ENODATA;
+
+	if ( result ) {
+		WLAN_LOG_DEBUG(3,"Failure: pda is not okay\n");
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_setconfig
+*
+* Performs the sequence necessary to write a config/info item.
+*
+* Arguments:
+*	hw		device structure
+*	rid		config/info record id (in host order)
+*	buf		host side record buffer
+*	len		buffer length (in bytes)
+*
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_setconfig(hfa384x_t *hw, UINT16 rid, void *buf, UINT16 len)
+{
+	return hfa384x_dowrid_wait(hw, rid, buf, len);
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_start
+*
+* Issues the MAC initialize command, sets up some data structures,
+* and enables the interrupts.  After this function completes, the
+* low-level stuff should be ready for any/all commands.
+*
+* Arguments:
+*	hw		device structure
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int hfa384x_drvr_start(hfa384x_t *hw)
+{
+	int		result;
+	DBFENTER;
+
+	might_sleep();
+
+	if (usb_clear_halt(hw->usb, hw->endp_in)) {
+		WLAN_LOG_ERROR(
+			"Failed to reset bulk in endpoint.\n");
+	}
+
+	if (usb_clear_halt(hw->usb, hw->endp_out)) {
+		WLAN_LOG_ERROR(
+			"Failed to reset bulk out endpoint.\n");
+	}
+
+	/* Synchronous unlink, in case we're trying to restart the driver */
+	usb_kill_urb(&hw->rx_urb);
+
+	/* Post the IN urb */
+	result = submit_rx_urb(hw, GFP_KERNEL);
+	if (result != 0) {
+		WLAN_LOG_ERROR(
+			"Fatal, failed to submit RX URB, result=%d\n",
+			result);
+		goto done;
+	}
+
+	/* call initialize */
+	result = hfa384x_cmd_initialize(hw);
+	if (result != 0) {
+		usb_kill_urb(&hw->rx_urb);
+		WLAN_LOG_ERROR(
+			"cmd_initialize() failed, result=%d\n",
+			result);
+		goto done;
+	}
+
+	hw->state = HFA384x_STATE_RUNNING;
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_stop
+*
+* Shuts down the MAC to the point where it is safe to unload the
+* driver.  Any subsystem that may be holding a data or function
+* ptr into the driver must be cleared/deinitialized.
+*
+* Arguments:
+*	hw		device structure
+* Returns:
+*	0		success
+*	>0		f/w reported error - f/w status code
+*	<0		driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+int
+hfa384x_drvr_stop(hfa384x_t *hw)
+{
+	int	result = 0;
+	int	i;
+	DBFENTER;
+
+	might_sleep();
+
+	/* There's no need for spinlocks here. The USB "disconnect"
+	 * function sets this "removed" flag and then calls us.
+	 */
+	if ( !hw->wlandev->hwremoved ) {
+		/* Call initialize to leave the MAC in its 'reset' state */
+		hfa384x_cmd_initialize(hw);
+
+		/* Cancel the rxurb */
+		usb_kill_urb(&hw->rx_urb);
+	}
+
+	hw->link_status = HFA384x_LINK_NOTCONNECTED;
+	hw->state = HFA384x_STATE_INIT;
+
+	del_timer_sync(&hw->commsqual_timer);
+
+	/* Clear all the port status */
+	for ( i = 0; i < HFA384x_NUMPORTS_MAX; i++) {
+		hw->port_enabled[i] = 0;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_drvr_txframe
+*
+* Takes a frame from prism2sta and queues it for transmission.
+*
+* Arguments:
+*	hw		device structure
+*	skb		packet buffer struct.  Contains an 802.11
+*			data frame.
+*       p80211_hdr      points to the 802.11 header for the packet.
+* Returns:
+*	0		Success and more buffs available
+*	1		Success but no more buffs
+*	2		Allocation failure
+*	4		Buffer full or queue busy
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+int hfa384x_drvr_txframe(hfa384x_t *hw, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep)
+
+{
+	int		usbpktlen = sizeof(hfa384x_tx_frame_t);
+	int		result;
+	int		ret;
+	char		*ptr;
+
+	DBFENTER;
+
+	if (hw->tx_urb.status == -EINPROGRESS) {
+		WLAN_LOG_WARNING("TX URB already in use\n");
+		result = 3;
+		goto exit;
+	}
+
+	/* Build Tx frame structure */
+	/* Set up the control field */
+	memset(&hw->txbuff.txfrm.desc, 0, sizeof(hw->txbuff.txfrm.desc));
+
+	/* Setup the usb type field */
+	hw->txbuff.type = host2hfa384x_16(HFA384x_USB_TXFRM);
+
+	/* Set up the sw_support field to identify this frame */
+	hw->txbuff.txfrm.desc.sw_support = 0x0123;
+
+/* Tx complete and Tx exception disable per dleach.  Might be causing
+ * buf depletion
+ */
+//#define DOEXC  SLP -- doboth breaks horribly under load, doexc less so.
+#if defined(DOBOTH)
+	hw->txbuff.txfrm.desc.tx_control =
+		HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) |
+		HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(1);
+#elif defined(DOEXC)
+	hw->txbuff.txfrm.desc.tx_control =
+		HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) |
+		HFA384x_TX_TXEX_SET(1) | HFA384x_TX_TXOK_SET(0);
+#else
+	hw->txbuff.txfrm.desc.tx_control =
+		HFA384x_TX_MACPORT_SET(0) | HFA384x_TX_STRUCTYPE_SET(1) |
+		HFA384x_TX_TXEX_SET(0) | HFA384x_TX_TXOK_SET(0);
+#endif
+	hw->txbuff.txfrm.desc.tx_control =
+		host2hfa384x_16(hw->txbuff.txfrm.desc.tx_control);
+
+	/* copy the header over to the txdesc */
+	memcpy(&(hw->txbuff.txfrm.desc.frame_control), p80211_hdr, sizeof(p80211_hdr_t));
+
+	/* if we're using host WEP, increase size by IV+ICV */
+	if (p80211_wep->data) {
+		hw->txbuff.txfrm.desc.data_len = host2hfa384x_16(skb->len+8);
+		// hw->txbuff.txfrm.desc.tx_control |= HFA384x_TX_NOENCRYPT_SET(1);
+		usbpktlen+=8;
+	} else {
+		hw->txbuff.txfrm.desc.data_len = host2hfa384x_16(skb->len);
+	}
+
+	usbpktlen += skb->len;
+
+	/* copy over the WEP IV if we are using host WEP */
+	ptr = hw->txbuff.txfrm.data;
+	if (p80211_wep->data) {
+		memcpy(ptr, p80211_wep->iv, sizeof(p80211_wep->iv));
+		ptr+= sizeof(p80211_wep->iv);
+		memcpy(ptr, p80211_wep->data, skb->len);
+	} else {
+		memcpy(ptr, skb->data, skb->len);
+	}
+	/* copy over the packet data */
+	ptr+= skb->len;
+
+	/* copy over the WEP ICV if we are using host WEP */
+	if (p80211_wep->data) {
+		memcpy(ptr, p80211_wep->icv, sizeof(p80211_wep->icv));
+	}
+
+	/* Send the USB packet */
+	usb_fill_bulk_urb( &(hw->tx_urb), hw->usb,
+	               hw->endp_out,
+	               &(hw->txbuff), ROUNDUP64(usbpktlen),
+	               hfa384x_usbout_callback, hw->wlandev );
+	hw->tx_urb.transfer_flags |= USB_QUEUE_BULK;
+
+	result = 1;
+	ret = submit_tx_urb(hw, &hw->tx_urb, GFP_ATOMIC);
+	if ( ret != 0 ) {
+		WLAN_LOG_ERROR(
+			"submit_tx_urb() failed, error=%d\n", ret);
+		result = 3;
+	}
+
+ exit:
+	DBFEXIT;
+	return result;
+}
+
+void hfa384x_tx_timeout(wlandevice_t *wlandev)
+{
+	hfa384x_t	*hw = wlandev->priv;
+	unsigned long flags;
+
+	DBFENTER;
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	if ( !hw->wlandev->hwremoved &&
+	     /* Note the bitwise OR, not the logical OR. */
+	     ( !test_and_set_bit(WORK_TX_HALT, &hw->usb_flags) |
+	       !test_and_set_bit(WORK_RX_HALT, &hw->usb_flags) ) )
+	{
+		schedule_work(&hw->usb_work);
+	}
+
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_usbctlx_reaper_task
+*
+* Tasklet to delete dead CTLX objects
+*
+* Arguments:
+*	data	ptr to a hfa384x_t
+*
+* Returns:
+*
+* Call context:
+*	Interrupt
+----------------------------------------------------------------*/
+static void hfa384x_usbctlx_reaper_task(unsigned long data)
+{
+	hfa384x_t	*hw = (hfa384x_t*)data;
+	struct list_head *entry;
+	struct list_head *temp;
+	unsigned long	flags;
+
+	DBFENTER;
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	/* This list is guaranteed to be empty if someone
+	 * has unplugged the adapter.
+	 */
+	list_for_each_safe(entry, temp, &hw->ctlxq.reapable) {
+		hfa384x_usbctlx_t	*ctlx;
+
+		ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+		list_del(&ctlx->list);
+		kfree(ctlx);
+	}
+
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_usbctlx_completion_task
+*
+* Tasklet to call completion handlers for returned CTLXs
+*
+* Arguments:
+*	data	ptr to hfa384x_t
+*
+* Returns:
+*	Nothing
+*
+* Call context:
+*	Interrupt
+----------------------------------------------------------------*/
+static void hfa384x_usbctlx_completion_task(unsigned long data)
+{
+	hfa384x_t *hw = (hfa384x_t*)data;
+	struct list_head *entry;
+	struct list_head *temp;
+	unsigned long flags;
+
+	int reap = 0;
+
+	DBFENTER;
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	/* This list is guaranteed to be empty if someone
+	 * has unplugged the adapter ...
+	 */
+	list_for_each_safe(entry, temp, &hw->ctlxq.completing) {
+		hfa384x_usbctlx_t *ctlx;
+
+		ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+
+		/* Call the completion function that this
+		 * command was assigned, assuming it has one.
+		 */
+		if ( ctlx->cmdcb != NULL ) {
+			spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+			ctlx->cmdcb(hw, ctlx);
+			spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+			/* Make sure we don't try and complete
+			 * this CTLX more than once!
+			 */
+			ctlx->cmdcb = NULL;
+
+			/* Did someone yank the adapter out
+			 * while our list was (briefly) unlocked?
+			 */
+			if ( hw->wlandev->hwremoved )
+			{
+				reap = 0;
+				break;
+			}
+		}
+
+		/*
+		 * "Reapable" CTLXs are ones which don't have any
+		 * threads waiting for them to die. Hence they must
+		 * be delivered to The Reaper!
+		 */
+		if ( ctlx->reapable ) {
+			/* Move the CTLX off the "completing" list (hopefully)
+			 * on to the "reapable" list where the reaper task
+			 * can find it. And "reapable" means that this CTLX
+			 * isn't sitting on a wait-queue somewhere.
+			 */
+			list_move_tail(&ctlx->list, &hw->ctlxq.reapable);
+			reap = 1;
+		}
+
+		complete(&ctlx->done);
+	}
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	if (reap)
+		tasklet_schedule(&hw->reaper_bh);
+
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* unlocked_usbctlx_cancel_async
+*
+* Mark the CTLX dead asynchronously, and ensure that the
+* next command on the queue is run afterwards.
+*
+* Arguments:
+*	hw	ptr to the hfa384x_t structure
+*	ctlx	ptr to a CTLX structure
+*
+* Returns:
+*	0	the CTLX's URB is inactive
+* -EINPROGRESS	the URB is currently being unlinked
+*
+* Call context:
+*	Either process or interrupt, but presumably interrupt
+----------------------------------------------------------------*/
+static int unlocked_usbctlx_cancel_async(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx)
+{
+	int ret;
+
+	DBFENTER;
+
+	/*
+	 * Try to delete the URB containing our request packet.
+	 * If we succeed, then its completion handler will be
+	 * called with a status of -ECONNRESET.
+	 */
+	hw->ctlx_urb.transfer_flags |= URB_ASYNC_UNLINK;
+	ret = usb_unlink_urb(&hw->ctlx_urb);
+
+	if (ret != -EINPROGRESS) {
+		/*
+		 * The OUT URB had either already completed
+		 * or was still in the pending queue, so the
+		 * URB's completion function will not be called.
+		 * We will have to complete the CTLX ourselves.
+		 */
+		ctlx->state = CTLX_REQ_FAILED;
+		unlocked_usbctlx_complete(hw, ctlx);
+		ret = 0;
+	}
+
+	DBFEXIT;
+
+	return ret;
+}
+
+/*----------------------------------------------------------------
+* unlocked_usbctlx_complete
+*
+* A CTLX has completed.  It may have been successful, it may not
+* have been. At this point, the CTLX should be quiescent.  The URBs
+* aren't active and the timers should have been stopped.
+*
+* The CTLX is migrated to the "completing" queue, and the completing
+* tasklet is scheduled.
+*
+* Arguments:
+*	hw		ptr to a hfa384x_t structure
+*	ctlx		ptr to a ctlx structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	Either, assume interrupt
+----------------------------------------------------------------*/
+static void unlocked_usbctlx_complete(hfa384x_t *hw, hfa384x_usbctlx_t *ctlx)
+{
+	DBFENTER;
+
+	/* Timers have been stopped, and ctlx should be in
+	 * a terminal state. Retire it from the "active"
+	 * queue.
+	 */
+	list_move_tail(&ctlx->list, &hw->ctlxq.completing);
+	tasklet_schedule(&hw->completion_bh);
+
+	switch (ctlx->state) {
+	case CTLX_COMPLETE:
+	case CTLX_REQ_FAILED:
+		/* This are the correct terminating states. */
+		break;
+
+	default:
+		WLAN_LOG_ERROR("CTLX[%d] not in a terminating state(%s)\n",
+		               hfa384x2host_16(ctlx->outbuf.type),
+		               ctlxstr(ctlx->state));
+		break;
+	} /* switch */
+
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_usbctlxq_run
+*
+* Checks to see if the head item is running.  If not, starts it.
+*
+* Arguments:
+*	hw	ptr to hfa384x_t
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	any
+----------------------------------------------------------------*/
+static void
+hfa384x_usbctlxq_run(hfa384x_t	*hw)
+{
+	unsigned long		flags;
+	DBFENTER;
+
+	/* acquire lock */
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	/* Only one active CTLX at any one time, because there's no
+	 * other (reliable) way to match the response URB to the
+	 * correct CTLX.
+	 *
+	 * Don't touch any of these CTLXs if the hardware
+	 * has been removed or the USB subsystem is stalled.
+	 */
+	if ( !list_empty(&hw->ctlxq.active) ||
+	     test_bit(WORK_TX_HALT, &hw->usb_flags) ||
+	     hw->wlandev->hwremoved )
+		goto unlock;
+
+	while ( !list_empty(&hw->ctlxq.pending) ) {
+		hfa384x_usbctlx_t	*head;
+		int			result;
+
+		/* This is the first pending command */
+		head = list_entry(hw->ctlxq.pending.next,
+		                  hfa384x_usbctlx_t,
+		                  list);
+
+		/* We need to split this off to avoid a race condition */
+		list_move_tail(&head->list, &hw->ctlxq.active);
+
+		/* Fill the out packet */
+		usb_fill_bulk_urb( &(hw->ctlx_urb), hw->usb,
+		                   hw->endp_out,
+		                   &(head->outbuf), ROUNDUP64(head->outbufsize),
+		                   hfa384x_ctlxout_callback, hw);
+		hw->ctlx_urb.transfer_flags |= USB_QUEUE_BULK;
+
+		/* Now submit the URB and update the CTLX's state
+		 */
+		if ((result = SUBMIT_URB(&hw->ctlx_urb, GFP_ATOMIC)) == 0) {
+			/* This CTLX is now running on the active queue */
+			head->state = CTLX_REQ_SUBMITTED;
+
+			/* Start the OUT wait timer */
+			hw->req_timer_done = 0;
+			hw->reqtimer.expires = jiffies + HZ;
+			add_timer(&hw->reqtimer);
+
+			/* Start the IN wait timer */
+			hw->resp_timer_done = 0;
+			hw->resptimer.expires = jiffies + 2*HZ;
+			add_timer(&hw->resptimer);
+
+			break;
+		}
+
+		if (result == -EPIPE) {
+			/* The OUT pipe needs resetting, so put
+			 * this CTLX back in the "pending" queue
+			 * and schedule a reset ...
+			 */
+			WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n",
+			                 hw->wlandev->netdev->name);
+			list_move(&head->list, &hw->ctlxq.pending);
+			set_bit(WORK_TX_HALT, &hw->usb_flags);
+			schedule_work(&hw->usb_work);
+			break;
+		}
+
+		if (result == -ESHUTDOWN) {
+			WLAN_LOG_WARNING("%s urb shutdown!\n",
+					 hw->wlandev->netdev->name);
+			break;
+		}
+
+		WLAN_LOG_ERROR("Failed to submit CTLX[%d]: error=%d\n",
+		               hfa384x2host_16(head->outbuf.type), result);
+		unlocked_usbctlx_complete(hw, head);
+	} /* while */
+
+	unlock:
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbin_callback
+*
+* Callback for URBs on the BULKIN endpoint.
+*
+* Arguments:
+*	urb		ptr to the completed urb
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+#ifdef URB_ONLY_CALLBACK
+static void hfa384x_usbin_callback(struct urb *urb)
+#else
+static void hfa384x_usbin_callback(struct urb *urb, struct pt_regs *regs)
+#endif
+{
+	wlandevice_t		*wlandev = urb->context;
+	hfa384x_t		*hw;
+	hfa384x_usbin_t		*usbin = (hfa384x_usbin_t *) urb->transfer_buffer;
+	struct sk_buff          *skb = NULL;
+	int			result;
+	int                     urb_status;
+	UINT16			type;
+
+	enum USBIN_ACTION {
+		HANDLE,
+		RESUBMIT,
+		ABORT
+	} action;
+
+	DBFENTER;
+
+	if ( !wlandev ||
+	     !wlandev->netdev ||
+	     !netif_device_present(wlandev->netdev) )
+		goto exit;
+
+	hw = wlandev->priv;
+	if (!hw)
+		goto exit;
+
+	skb = hw->rx_urb_skb;
+	if (!skb || (skb->data != urb->transfer_buffer)) {
+		BUG();
+	}
+	hw->rx_urb_skb = NULL;
+
+	/* Check for error conditions within the URB */
+	switch (urb->status) {
+	case 0:
+		action = HANDLE;
+
+		/* Check for short packet */
+		if ( urb->actual_length == 0 ) {
+			++(wlandev->linux_stats.rx_errors);
+			++(wlandev->linux_stats.rx_length_errors);
+			action = RESUBMIT;
+		}
+		break;
+
+	case -EPIPE:
+		WLAN_LOG_WARNING("%s rx pipe stalled: requesting reset\n",
+		                 wlandev->netdev->name);
+		if ( !test_and_set_bit(WORK_RX_HALT, &hw->usb_flags) )
+			schedule_work(&hw->usb_work);
+		++(wlandev->linux_stats.rx_errors);
+		action = ABORT;
+		break;
+
+	case -EILSEQ:
+	case -ETIMEDOUT:
+	case -EPROTO:
+		if ( !test_and_set_bit(THROTTLE_RX, &hw->usb_flags) &&
+		     !timer_pending(&hw->throttle) ) {
+			mod_timer(&hw->throttle, jiffies + THROTTLE_JIFFIES);
+		}
+		++(wlandev->linux_stats.rx_errors);
+		action = ABORT;
+		break;
+
+	case -EOVERFLOW:
+		++(wlandev->linux_stats.rx_over_errors);
+		action = RESUBMIT;
+		break;
+
+	case -ENODEV:
+	case -ESHUTDOWN:
+		WLAN_LOG_DEBUG(3,"status=%d, device removed.\n", urb->status);
+		action = ABORT;
+		break;
+
+	case -ENOENT:
+	case -ECONNRESET:
+		WLAN_LOG_DEBUG(3,"status=%d, urb explicitly unlinked.\n", urb->status);
+		action = ABORT;
+		break;
+
+	default:
+		WLAN_LOG_DEBUG(3,"urb status=%d, transfer flags=0x%x\n",
+		                 urb->status, urb->transfer_flags);
+		++(wlandev->linux_stats.rx_errors);
+		action = RESUBMIT;
+		break;
+	}
+
+	urb_status = urb->status;
+
+	if (action != ABORT) {
+		/* Repost the RX URB */
+		result = submit_rx_urb(hw, GFP_ATOMIC);
+
+		if (result != 0) {
+			WLAN_LOG_ERROR(
+				"Fatal, failed to resubmit rx_urb. error=%d\n",
+				result);
+		}
+	}
+
+	/* Handle any USB-IN packet */
+	/* Note: the check of the sw_support field, the type field doesn't
+	 *       have bit 12 set like the docs suggest.
+	 */
+	type = hfa384x2host_16(usbin->type);
+	if (HFA384x_USB_ISRXFRM(type)) {
+		if (action == HANDLE) {
+			if (usbin->txfrm.desc.sw_support == 0x0123) {
+				hfa384x_usbin_txcompl(wlandev, usbin);
+			} else {
+				skb_put(skb, sizeof(*usbin));
+				hfa384x_usbin_rx(wlandev, skb);
+				skb = NULL;
+			}
+		}
+		goto exit;
+	}
+	if (HFA384x_USB_ISTXFRM(type)) {
+		if (action == HANDLE)
+			hfa384x_usbin_txcompl(wlandev, usbin);
+		goto exit;
+	}
+	switch (type) {
+	case HFA384x_USB_INFOFRM:
+		if (action == ABORT)
+			goto exit;
+		if (action == HANDLE)
+			hfa384x_usbin_info(wlandev, usbin);
+		break;
+
+	case HFA384x_USB_CMDRESP:
+	case HFA384x_USB_WRIDRESP:
+	case HFA384x_USB_RRIDRESP:
+	case HFA384x_USB_WMEMRESP:
+	case HFA384x_USB_RMEMRESP:
+		/* ALWAYS, ALWAYS, ALWAYS handle this CTLX!!!! */
+		hfa384x_usbin_ctlx(hw, usbin, urb_status);
+		break;
+
+	case HFA384x_USB_BUFAVAIL:
+		WLAN_LOG_DEBUG(3,"Received BUFAVAIL packet, frmlen=%d\n",
+			usbin->bufavail.frmlen);
+		break;
+
+	case HFA384x_USB_ERROR:
+		WLAN_LOG_DEBUG(3,"Received USB_ERROR packet, errortype=%d\n",
+			usbin->usberror.errortype);
+		break;
+
+	default:
+		WLAN_LOG_DEBUG(3,"Unrecognized USBIN packet, type=%x, status=%d\n",
+			usbin->type, urb_status);
+		break;
+	} /* switch */
+
+exit:
+
+	if (skb)
+		dev_kfree_skb(skb);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbin_ctlx
+*
+* We've received a URB containing a Prism2 "response" message.
+* This message needs to be matched up with a CTLX on the active
+* queue and our state updated accordingly.
+*
+* Arguments:
+*	hw		ptr to hfa384x_t
+*	usbin		ptr to USB IN packet
+*	urb_status	status of this Bulk-In URB
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_usbin_ctlx(hfa384x_t *hw, hfa384x_usbin_t *usbin,
+			       int urb_status)
+{
+	hfa384x_usbctlx_t	*ctlx;
+	int			run_queue = 0;
+	unsigned long		flags;
+
+	DBFENTER;
+
+retry:
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	/* There can be only one CTLX on the active queue
+	 * at any one time, and this is the CTLX that the
+	 * timers are waiting for.
+	 */
+	if ( list_empty(&hw->ctlxq.active) ) {
+		goto unlock;
+	}
+
+	/* Remove the "response timeout". It's possible that
+	 * we are already too late, and that the timeout is
+	 * already running. And that's just too bad for us,
+	 * because we could lose our CTLX from the active
+	 * queue here ...
+	 */
+	if (del_timer(&hw->resptimer) == 0) {
+		if (hw->resp_timer_done == 0) {
+			spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+			goto retry;
+		}
+	}
+	else {
+		hw->resp_timer_done = 1;
+	}
+
+	ctlx = get_active_ctlx(hw);
+
+	if (urb_status != 0) {
+		/*
+		 * Bad CTLX, so get rid of it. But we only
+		 * remove it from the active queue if we're no
+		 * longer expecting the OUT URB to complete.
+		 */
+		if (unlocked_usbctlx_cancel_async(hw, ctlx) == 0)
+			run_queue = 1;
+	} else {
+		const UINT16 intype = (usbin->type&~host2hfa384x_16(0x8000));
+
+		/*
+		 * Check that our message is what we're expecting ...
+		 */
+		if (ctlx->outbuf.type != intype) {
+			WLAN_LOG_WARNING("Expected IN[%d], received IN[%d] - ignored.\n",
+			                 hfa384x2host_16(ctlx->outbuf.type),
+			                 hfa384x2host_16(intype));
+			goto unlock;
+		}
+
+		/* This URB has succeeded, so grab the data ... */
+		memcpy(&ctlx->inbuf, usbin, sizeof(ctlx->inbuf));
+
+		switch (ctlx->state) {
+		case CTLX_REQ_SUBMITTED:
+			/*
+			 * We have received our response URB before
+			 * our request has been acknowledged. Odd,
+			 * but our OUT URB is still alive...
+			 */
+			WLAN_LOG_DEBUG(0, "Causality violation: please reboot Universe, or email linux-wlan-devel@lists.linux-wlan.com\n");
+			ctlx->state = CTLX_RESP_COMPLETE;
+			break;
+
+		case CTLX_REQ_COMPLETE:
+			/*
+			 * This is the usual path: our request
+			 * has already been acknowledged, and
+			 * now we have received the reply too.
+			 */
+			ctlx->state = CTLX_COMPLETE;
+			unlocked_usbctlx_complete(hw, ctlx);
+			run_queue = 1;
+			break;
+
+		default:
+			/*
+			 * Throw this CTLX away ...
+			 */
+			WLAN_LOG_ERROR("Matched IN URB, CTLX[%d] in invalid state(%s)."
+			               " Discarded.\n",
+			               hfa384x2host_16(ctlx->outbuf.type),
+			               ctlxstr(ctlx->state));
+			if (unlocked_usbctlx_cancel_async(hw, ctlx) == 0)
+				run_queue = 1;
+			break;
+		} /* switch */
+	}
+
+unlock:
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	if (run_queue)
+		hfa384x_usbctlxq_run(hw);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbin_txcompl
+*
+* At this point we have the results of a previous transmit.
+*
+* Arguments:
+*	wlandev		wlan device
+*	usbin		ptr to the usb transfer buffer
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_usbin_txcompl(wlandevice_t *wlandev, hfa384x_usbin_t *usbin)
+{
+	UINT16			status;
+	DBFENTER;
+
+	status = hfa384x2host_16(usbin->type); /* yeah I know it says type...*/
+
+	/* Was there an error? */
+	if (HFA384x_TXSTATUS_ISERROR(status)) {
+		prism2sta_ev_txexc(wlandev, status);
+	} else {
+		prism2sta_ev_tx(wlandev, status);
+	}
+	// prism2sta_ev_alloc(wlandev);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbin_rx
+*
+* At this point we have a successful received a rx frame packet.
+*
+* Arguments:
+*	wlandev		wlan device
+*	usbin		ptr to the usb transfer buffer
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_usbin_rx(wlandevice_t *wlandev, struct sk_buff *skb)
+{
+	hfa384x_usbin_t         *usbin = (hfa384x_usbin_t *) skb->data;
+	hfa384x_t               *hw = wlandev->priv;
+	int                     hdrlen;
+	p80211_rxmeta_t         *rxmeta;
+	UINT16                  data_len;
+	UINT16                  fc;
+
+	DBFENTER;
+
+	/* Byte order convert once up front. */
+	usbin->rxfrm.desc.status =
+		hfa384x2host_16(usbin->rxfrm.desc.status);
+	usbin->rxfrm.desc.time =
+		hfa384x2host_32(usbin->rxfrm.desc.time);
+
+	/* Now handle frame based on port# */
+	switch( HFA384x_RXSTATUS_MACPORT_GET(usbin->rxfrm.desc.status) )
+	{
+	case 0:
+		fc = ieee2host16(usbin->rxfrm.desc.frame_control);
+
+		/* If exclude and we receive an unencrypted, drop it */
+		if ( (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED) &&
+		     !WLAN_GET_FC_ISWEP(fc)){
+			goto done;
+		}
+
+		data_len = hfa384x2host_16(usbin->rxfrm.desc.data_len);
+
+		/* How much header data do we have? */
+		hdrlen = p80211_headerlen(fc);
+
+		/* Pull off the descriptor */
+		skb_pull(skb, sizeof(hfa384x_rx_frame_t));
+
+		/* Now shunt the header block up against the data block
+		 * with an "overlapping" copy
+		 */
+		memmove(skb_push(skb, hdrlen),
+		        &usbin->rxfrm.desc.frame_control,
+		        hdrlen);
+
+		skb->dev = wlandev->netdev;
+		skb->dev->last_rx = jiffies;
+
+		/* And set the frame length properly */
+		skb_trim(skb, data_len + hdrlen);
+
+		/* The prism2 series does not return the CRC */
+		memset(skb_put(skb, WLAN_CRC_LEN), 0xff, WLAN_CRC_LEN);
+
+		skb_reset_mac_header(skb);
+
+		/* Attach the rxmeta, set some stuff */
+		p80211skb_rxmeta_attach(wlandev, skb);
+		rxmeta = P80211SKB_RXMETA(skb);
+		rxmeta->mactime = usbin->rxfrm.desc.time;
+		rxmeta->rxrate = usbin->rxfrm.desc.rate;
+		rxmeta->signal = usbin->rxfrm.desc.signal - hw->dbmadjust;
+		rxmeta->noise = usbin->rxfrm.desc.silence - hw->dbmadjust;
+
+		prism2sta_ev_rx(wlandev, skb);
+
+		break;
+
+	case 7:
+		if ( ! HFA384x_RXSTATUS_ISFCSERR(usbin->rxfrm.desc.status) ) {
+			/* Copy to wlansnif skb */
+			hfa384x_int_rxmonitor( wlandev, &usbin->rxfrm);
+			dev_kfree_skb(skb);
+		} else {
+			WLAN_LOG_DEBUG(3,"Received monitor frame: FCSerr set\n");
+		}
+		break;
+
+	default:
+		WLAN_LOG_WARNING("Received frame on unsupported port=%d\n",
+			HFA384x_RXSTATUS_MACPORT_GET(usbin->rxfrm.desc.status) );
+		goto done;
+		break;
+	}
+
+done:
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_int_rxmonitor
+*
+* Helper function for int_rx.  Handles monitor frames.
+* Note that this function allocates space for the FCS and sets it
+* to 0xffffffff.  The hfa384x doesn't give us the FCS value but the
+* higher layers expect it.  0xffffffff is used as a flag to indicate
+* the FCS is bogus.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	rxfrm		rx descriptor read from card in int_rx
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	Allocates an skb and passes it up via the PF_PACKET interface.
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_int_rxmonitor( wlandevice_t *wlandev, hfa384x_usb_rxfrm_t *rxfrm)
+{
+	hfa384x_rx_frame_t              *rxdesc = &(rxfrm->desc);
+	UINT				hdrlen = 0;
+	UINT				datalen = 0;
+	UINT				skblen = 0;
+	p80211msg_lnxind_wlansniffrm_t	*msg;
+	UINT8				*datap;
+	UINT16				fc;
+	struct sk_buff			*skb;
+	hfa384x_t		        *hw = wlandev->priv;
+
+
+	DBFENTER;
+	/* Don't forget the status, time, and data_len fields are in host order */
+	/* Figure out how big the frame is */
+	fc = ieee2host16(rxdesc->frame_control);
+	hdrlen = p80211_headerlen(fc);
+	datalen = hfa384x2host_16(rxdesc->data_len);
+
+	/* Allocate an ind message+framesize skb */
+	skblen = sizeof(p80211msg_lnxind_wlansniffrm_t) +
+		hdrlen + datalen + WLAN_CRC_LEN;
+
+	/* sanity check the length */
+	if ( skblen >
+		(sizeof(p80211msg_lnxind_wlansniffrm_t) +
+		WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN) ) {
+		WLAN_LOG_DEBUG(1, "overlen frm: len=%zd\n",
+			skblen - sizeof(p80211msg_lnxind_wlansniffrm_t));
+	}
+
+	if ( (skb = dev_alloc_skb(skblen)) == NULL ) {
+		WLAN_LOG_ERROR("alloc_skb failed trying to allocate %d bytes\n", skblen);
+		return;
+	}
+
+	/* only prepend the prism header if in the right mode */
+	if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) &&
+	    (hw->sniffhdr == 0)) {
+		datap = skb_put(skb, sizeof(p80211msg_lnxind_wlansniffrm_t));
+		msg = (p80211msg_lnxind_wlansniffrm_t*) datap;
+
+		/* Initialize the message members */
+		msg->msgcode = DIDmsg_lnxind_wlansniffrm;
+		msg->msglen = sizeof(p80211msg_lnxind_wlansniffrm_t);
+		strcpy(msg->devname, wlandev->name);
+
+		msg->hosttime.did = DIDmsg_lnxind_wlansniffrm_hosttime;
+		msg->hosttime.status = 0;
+		msg->hosttime.len = 4;
+		msg->hosttime.data = jiffies;
+
+		msg->mactime.did = DIDmsg_lnxind_wlansniffrm_mactime;
+		msg->mactime.status = 0;
+		msg->mactime.len = 4;
+		msg->mactime.data = rxdesc->time;
+
+		msg->channel.did = DIDmsg_lnxind_wlansniffrm_channel;
+		msg->channel.status = 0;
+		msg->channel.len = 4;
+		msg->channel.data = hw->sniff_channel;
+
+		msg->rssi.did = DIDmsg_lnxind_wlansniffrm_rssi;
+		msg->rssi.status = P80211ENUM_msgitem_status_no_value;
+		msg->rssi.len = 4;
+		msg->rssi.data = 0;
+
+		msg->sq.did = DIDmsg_lnxind_wlansniffrm_sq;
+		msg->sq.status = P80211ENUM_msgitem_status_no_value;
+		msg->sq.len = 4;
+		msg->sq.data = 0;
+
+		msg->signal.did = DIDmsg_lnxind_wlansniffrm_signal;
+		msg->signal.status = 0;
+		msg->signal.len = 4;
+		msg->signal.data = rxdesc->signal;
+
+		msg->noise.did = DIDmsg_lnxind_wlansniffrm_noise;
+		msg->noise.status = 0;
+		msg->noise.len = 4;
+		msg->noise.data = rxdesc->silence;
+
+		msg->rate.did = DIDmsg_lnxind_wlansniffrm_rate;
+		msg->rate.status = 0;
+		msg->rate.len = 4;
+		msg->rate.data = rxdesc->rate / 5; /* set to 802.11 units */
+
+		msg->istx.did = DIDmsg_lnxind_wlansniffrm_istx;
+		msg->istx.status = 0;
+		msg->istx.len = 4;
+		msg->istx.data = P80211ENUM_truth_false;
+
+		msg->frmlen.did = DIDmsg_lnxind_wlansniffrm_frmlen;
+		msg->frmlen.status = 0;
+		msg->frmlen.len = 4;
+		msg->frmlen.data = hdrlen + datalen + WLAN_CRC_LEN;
+	} else if ((wlandev->netdev->type == ARPHRD_IEEE80211_PRISM) &&
+		   (hw->sniffhdr != 0)) {
+		p80211_caphdr_t		*caphdr;
+		/* The NEW header format! */
+		datap = skb_put(skb, sizeof(p80211_caphdr_t));
+		caphdr = (p80211_caphdr_t*) datap;
+
+		caphdr->version =	htonl(P80211CAPTURE_VERSION);
+		caphdr->length =	htonl(sizeof(p80211_caphdr_t));
+		caphdr->mactime =	__cpu_to_be64(rxdesc->time) * 1000;
+		caphdr->hosttime =	__cpu_to_be64(jiffies);
+		caphdr->phytype =	htonl(4); /* dss_dot11_b */
+		caphdr->channel =	htonl(hw->sniff_channel);
+		caphdr->datarate =	htonl(rxdesc->rate);
+		caphdr->antenna =	htonl(0); /* unknown */
+		caphdr->priority =	htonl(0); /* unknown */
+		caphdr->ssi_type =	htonl(3); /* rssi_raw */
+		caphdr->ssi_signal =	htonl(rxdesc->signal);
+		caphdr->ssi_noise =	htonl(rxdesc->silence);
+		caphdr->preamble =	htonl(0); /* unknown */
+		caphdr->encoding =	htonl(1); /* cck */
+	}
+
+	/* Copy the 802.11 header to the skb (ctl frames may be less than a full header) */
+	datap = skb_put(skb, hdrlen);
+	memcpy( datap, &(rxdesc->frame_control), hdrlen);
+
+	/* If any, copy the data from the card to the skb */
+	if ( datalen > 0 )
+	{
+		datap = skb_put(skb, datalen);
+		memcpy(datap, rxfrm->data, datalen);
+
+		/* check for unencrypted stuff if WEP bit set. */
+		if (*(datap - hdrlen + 1) & 0x40) // wep set
+		  if ((*(datap) == 0xaa) && (*(datap+1) == 0xaa))
+		    *(datap - hdrlen + 1) &= 0xbf; // clear wep; it's the 802.2 header!
+	}
+
+	if (hw->sniff_fcs) {
+		/* Set the FCS */
+		datap = skb_put(skb, WLAN_CRC_LEN);
+		memset( datap, 0xff, WLAN_CRC_LEN);
+	}
+
+	/* pass it back up */
+	prism2sta_ev_rx(wlandev, skb);
+
+	DBFEXIT;
+	return;
+}
+
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbin_info
+*
+* At this point we have a successful received a Prism2 info frame.
+*
+* Arguments:
+*	wlandev		wlan device
+*	usbin		ptr to the usb transfer buffer
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_usbin_info(wlandevice_t *wlandev, hfa384x_usbin_t *usbin)
+{
+	DBFENTER;
+
+	usbin->infofrm.info.framelen = hfa384x2host_16(usbin->infofrm.info.framelen);
+	prism2sta_ev_info(wlandev, &usbin->infofrm.info);
+
+	DBFEXIT;
+}
+
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbout_callback
+*
+* Callback for URBs on the BULKOUT endpoint.
+*
+* Arguments:
+*	urb		ptr to the completed urb
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+#ifdef URB_ONLY_CALLBACK
+static void hfa384x_usbout_callback(struct urb *urb)
+#else
+static void hfa384x_usbout_callback(struct urb *urb, struct pt_regs *regs)
+#endif
+{
+	wlandevice_t		*wlandev = urb->context;
+	hfa384x_usbout_t	*usbout = urb->transfer_buffer;
+	DBFENTER;
+
+#ifdef DEBUG_USB
+	dbprint_urb(urb);
+#endif
+
+	if ( wlandev &&
+	     wlandev->netdev ) {
+
+		switch(urb->status) {
+		case 0:
+			hfa384x_usbout_tx(wlandev, usbout);
+			break;
+
+		case -EPIPE:
+		{
+			hfa384x_t *hw = wlandev->priv;
+			WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n",
+			                 wlandev->netdev->name);
+			if ( !test_and_set_bit(WORK_TX_HALT, &hw->usb_flags) )
+				schedule_work(&hw->usb_work);
+			++(wlandev->linux_stats.tx_errors);
+			break;
+		}
+
+		case -EPROTO:
+		case -ETIMEDOUT:
+		case -EILSEQ:
+		{
+			hfa384x_t *hw = wlandev->priv;
+
+			if ( !test_and_set_bit(THROTTLE_TX, &hw->usb_flags)
+			     && !timer_pending(&hw->throttle) ) {
+				mod_timer(&hw->throttle,
+				          jiffies + THROTTLE_JIFFIES);
+			}
+			++(wlandev->linux_stats.tx_errors);
+			netif_stop_queue(wlandev->netdev);
+			break;
+		}
+
+		case -ENOENT:
+		case -ESHUTDOWN:
+			/* Ignorable errors */
+			break;
+
+		default:
+			WLAN_LOG_INFO("unknown urb->status=%d\n", urb->status);
+			++(wlandev->linux_stats.tx_errors);
+			break;
+		} /* switch */
+	}
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_ctlxout_callback
+*
+* Callback for control data on the BULKOUT endpoint.
+*
+* Arguments:
+*	urb		ptr to the completed urb
+*
+* Returns:
+* nothing
+*
+* Side effects:
+*
+* Call context:
+* interrupt
+----------------------------------------------------------------*/
+#ifdef URB_ONLY_CALLBACK
+static void hfa384x_ctlxout_callback(struct urb *urb)
+#else
+static void hfa384x_ctlxout_callback(struct urb *urb, struct pt_regs *regs)
+#endif
+{
+	hfa384x_t	*hw = urb->context;
+	int             delete_resptimer = 0;
+	int             timer_ok = 1;
+	int		run_queue = 0;
+	hfa384x_usbctlx_t	*ctlx;
+	unsigned long	flags;
+
+	DBFENTER;
+
+	WLAN_LOG_DEBUG(3,"urb->status=%d\n", urb->status);
+#ifdef DEBUG_USB
+	dbprint_urb(urb);
+#endif
+	if ( (urb->status == -ESHUTDOWN) ||
+	     (urb->status == -ENODEV) ||
+	     (hw == NULL) )
+		goto done;
+
+retry:
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	/*
+	 * Only one CTLX at a time on the "active" list, and
+	 * none at all if we are unplugged. However, we can
+	 * rely on the disconnect function to clean everything
+	 * up if someone unplugged the adapter.
+	 */
+	if ( list_empty(&hw->ctlxq.active) ) {
+		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+		goto done;
+	}
+
+	/*
+	 * Having something on the "active" queue means
+	 * that we have timers to worry about ...
+	 */
+	if (del_timer(&hw->reqtimer) == 0) {
+		if (hw->req_timer_done == 0) {
+			/*
+			 * This timer was actually running while we
+			 * were trying to delete it. Let it terminate
+			 * gracefully instead.
+			 */
+			spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+			goto retry;
+		}
+	}
+	else {
+		hw->req_timer_done = 1;
+	}
+
+	ctlx = get_active_ctlx(hw);
+
+	if ( urb->status == 0 ) {
+		/* Request portion of a CTLX is successful */
+		switch ( ctlx->state ) {
+		case CTLX_REQ_SUBMITTED:
+			/* This OUT-ACK received before IN */
+			ctlx->state = CTLX_REQ_COMPLETE;
+			break;
+
+		case CTLX_RESP_COMPLETE:
+			/* IN already received before this OUT-ACK,
+			 * so this command must now be complete.
+			 */
+			ctlx->state = CTLX_COMPLETE;
+			unlocked_usbctlx_complete(hw, ctlx);
+			run_queue = 1;
+			break;
+
+		default:
+			/* This is NOT a valid CTLX "success" state! */
+			WLAN_LOG_ERROR(
+			    "Illegal CTLX[%d] success state(%s, %d) in OUT URB\n",
+			    hfa384x2host_16(ctlx->outbuf.type),
+			    ctlxstr(ctlx->state), urb->status);
+			break;
+		} /* switch */
+	} else {
+		/* If the pipe has stalled then we need to reset it */
+		if ( (urb->status == -EPIPE) &&
+		      !test_and_set_bit(WORK_TX_HALT, &hw->usb_flags) ) {
+			WLAN_LOG_WARNING("%s tx pipe stalled: requesting reset\n",
+			                 hw->wlandev->netdev->name);
+			schedule_work(&hw->usb_work);
+		}
+
+		/* If someone cancels the OUT URB then its status
+		 * should be either -ECONNRESET or -ENOENT.
+		 */
+		ctlx->state = CTLX_REQ_FAILED;
+		unlocked_usbctlx_complete(hw, ctlx);
+		delete_resptimer = 1;
+		run_queue = 1;
+	}
+
+ delresp:
+	if (delete_resptimer) {
+		if ((timer_ok = del_timer(&hw->resptimer)) != 0) {
+			hw->resp_timer_done = 1;
+		}
+	}
+
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	if ( !timer_ok && (hw->resp_timer_done == 0) ) {
+		spin_lock_irqsave(&hw->ctlxq.lock, flags);
+		goto delresp;
+	}
+
+	if (run_queue)
+		hfa384x_usbctlxq_run(hw);
+
+ done:
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbctlx_reqtimerfn
+*
+* Timer response function for CTLX request timeouts.  If this
+* function is called, it means that the callback for the OUT
+* URB containing a Prism2.x XXX_Request was never called.
+*
+* Arguments:
+*	data		a ptr to the hfa384x_t
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void
+hfa384x_usbctlx_reqtimerfn(unsigned long data)
+{
+	hfa384x_t	*hw = (hfa384x_t*)data;
+	unsigned long   flags;
+	DBFENTER;
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	hw->req_timer_done = 1;
+
+	/* Removing the hardware automatically empties
+	 * the active list ...
+	 */
+	if ( !list_empty(&hw->ctlxq.active) )
+	{
+		/*
+		 * We must ensure that our URB is removed from
+		 * the system, if it hasn't already expired.
+		 */
+		hw->ctlx_urb.transfer_flags |= URB_ASYNC_UNLINK;
+		if (usb_unlink_urb(&hw->ctlx_urb) == -EINPROGRESS)
+		{
+			hfa384x_usbctlx_t *ctlx = get_active_ctlx(hw);
+
+			ctlx->state = CTLX_REQ_FAILED;
+
+			/* This URB was active, but has now been
+			 * cancelled. It will now have a status of
+			 * -ECONNRESET in the callback function.
+			 *
+			 * We are cancelling this CTLX, so we're
+			 * not going to need to wait for a response.
+			 * The URB's callback function will check
+			 * that this timer is truly dead.
+			 */
+			if (del_timer(&hw->resptimer) != 0)
+				hw->resp_timer_done = 1;
+		}
+	}
+
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbctlx_resptimerfn
+*
+* Timer response function for CTLX response timeouts.  If this
+* function is called, it means that the callback for the IN
+* URB containing a Prism2.x XXX_Response was never called.
+*
+* Arguments:
+*	data		a ptr to the hfa384x_t
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void
+hfa384x_usbctlx_resptimerfn(unsigned long data)
+{
+	hfa384x_t *hw = (hfa384x_t*)data;
+	unsigned long   flags;
+
+	DBFENTER;
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	hw->resp_timer_done = 1;
+
+	/* The active list will be empty if the
+	 * adapter has been unplugged ...
+	 */
+	if ( !list_empty(&hw->ctlxq.active) )
+	{
+		hfa384x_usbctlx_t *ctlx = get_active_ctlx(hw);
+
+		if ( unlocked_usbctlx_cancel_async(hw, ctlx) == 0 )
+		{
+			spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+			hfa384x_usbctlxq_run(hw);
+			goto done;
+		}
+	}
+
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+ done:
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_usb_throttlefn
+*
+*
+* Arguments:
+*	data	ptr to hw
+*
+* Returns:
+*	Nothing
+*
+* Side effects:
+*
+* Call context:
+*	Interrupt
+----------------------------------------------------------------*/
+static void
+hfa384x_usb_throttlefn(unsigned long data)
+{
+	hfa384x_t *hw = (hfa384x_t*)data;
+	unsigned long   flags;
+
+	DBFENTER;
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	/*
+	 * We need to check BOTH the RX and the TX throttle controls,
+	 * so we use the bitwise OR instead of the logical OR.
+	 */
+	WLAN_LOG_DEBUG(3, "flags=0x%lx\n", hw->usb_flags);
+	if ( !hw->wlandev->hwremoved &&
+	     (
+	       (test_and_clear_bit(THROTTLE_RX, &hw->usb_flags) &&
+	       !test_and_set_bit(WORK_RX_RESUME, &hw->usb_flags))
+	       |
+	       (test_and_clear_bit(THROTTLE_TX, &hw->usb_flags) &&
+	        !test_and_set_bit(WORK_TX_RESUME, &hw->usb_flags))
+	     ) )
+	{
+		schedule_work(&hw->usb_work);
+	}
+
+	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbctlx_submit
+*
+* Called from the doxxx functions to submit a CTLX to the queue
+*
+* Arguments:
+*	hw		ptr to the hw struct
+*	ctlx		ctlx structure to enqueue
+*
+* Returns:
+*	-ENODEV if the adapter is unplugged
+*	0
+*
+* Side effects:
+*
+* Call context:
+*	process or interrupt
+----------------------------------------------------------------*/
+static int
+hfa384x_usbctlx_submit(
+	hfa384x_t		*hw,
+	hfa384x_usbctlx_t	*ctlx)
+{
+	unsigned long flags;
+	int ret;
+
+	DBFENTER;
+
+	spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+	if (hw->wlandev->hwremoved) {
+		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+		ret = -ENODEV;
+	} else {
+		ctlx->state = CTLX_PENDING;
+		list_add_tail(&ctlx->list, &hw->ctlxq.pending);
+
+		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+		hfa384x_usbctlxq_run(hw);
+		ret = 0;
+	}
+
+	DBFEXIT;
+	return ret;
+}
+
+
+/*----------------------------------------------------------------
+* hfa384x_usbout_tx
+*
+* At this point we have finished a send of a frame.  Mark the URB
+* as available and call ev_alloc to notify higher layers we're
+* ready for more.
+*
+* Arguments:
+*	wlandev		wlan device
+*	usbout		ptr to the usb transfer buffer
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void hfa384x_usbout_tx(wlandevice_t *wlandev, hfa384x_usbout_t *usbout)
+{
+	DBFENTER;
+
+	prism2sta_ev_alloc(wlandev);
+
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* hfa384x_isgood_pdrcore
+*
+* Quick check of PDR codes.
+*
+* Arguments:
+*	pdrcode		PDR code number (host order)
+*
+* Returns:
+*	zero		not good.
+*	one		is good.
+*
+* Side effects:
+*
+* Call context:
+----------------------------------------------------------------*/
+static int
+hfa384x_isgood_pdrcode(UINT16 pdrcode)
+{
+	switch(pdrcode) {
+	case HFA384x_PDR_END_OF_PDA:
+	case HFA384x_PDR_PCB_PARTNUM:
+	case HFA384x_PDR_PDAVER:
+	case HFA384x_PDR_NIC_SERIAL:
+	case HFA384x_PDR_MKK_MEASUREMENTS:
+	case HFA384x_PDR_NIC_RAMSIZE:
+	case HFA384x_PDR_MFISUPRANGE:
+	case HFA384x_PDR_CFISUPRANGE:
+	case HFA384x_PDR_NICID:
+	case HFA384x_PDR_MAC_ADDRESS:
+	case HFA384x_PDR_REGDOMAIN:
+	case HFA384x_PDR_ALLOWED_CHANNEL:
+	case HFA384x_PDR_DEFAULT_CHANNEL:
+	case HFA384x_PDR_TEMPTYPE:
+	case HFA384x_PDR_IFR_SETTING:
+	case HFA384x_PDR_RFR_SETTING:
+	case HFA384x_PDR_HFA3861_BASELINE:
+	case HFA384x_PDR_HFA3861_SHADOW:
+	case HFA384x_PDR_HFA3861_IFRF:
+	case HFA384x_PDR_HFA3861_CHCALSP:
+	case HFA384x_PDR_HFA3861_CHCALI:
+	case HFA384x_PDR_3842_NIC_CONFIG:
+	case HFA384x_PDR_USB_ID:
+	case HFA384x_PDR_PCI_ID:
+	case HFA384x_PDR_PCI_IFCONF:
+	case HFA384x_PDR_PCI_PMCONF:
+	case HFA384x_PDR_RFENRGY:
+	case HFA384x_PDR_HFA3861_MANF_TESTSP:
+	case HFA384x_PDR_HFA3861_MANF_TESTI:
+		/* code is OK */
+		return 1;
+		break;
+	default:
+		if ( pdrcode < 0x1000 ) {
+			/* code is OK, but we don't know exactly what it is */
+			WLAN_LOG_DEBUG(3,
+				"Encountered unknown PDR#=0x%04x, "
+				"assuming it's ok.\n",
+				pdrcode);
+			return 1;
+		} else {
+			/* bad code */
+			WLAN_LOG_DEBUG(3,
+				"Encountered unknown PDR#=0x%04x, "
+				"(>=0x1000), assuming it's bad.\n",
+				pdrcode);
+			return 0;
+		}
+		break;
+	}
+	return 0; /* avoid compiler warnings */
+}
+
diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c
new file mode 100644
index 00000000000..68121b9b34f
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211conv.c
@@ -0,0 +1,683 @@
+/* src/p80211/p80211conv.c
+*
+* Ether/802.11 conversions and packet buffer routines
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file defines the functions that perform Ethernet to/from
+* 802.11 frame conversions.
+*
+* --------------------------------------------------------------------
+*/
+/*================================================================*/
+/* System Includes */
+
+#define __NO_VERSION__		/* prevent the static definition */
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/if_ether.h>
+
+#include <asm/byteorder.h>
+
+#include "version.h"
+#include "wlan_compat.h"
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211conv.h"
+#include "p80211mgmt.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211ioctl.h"
+#include "p80211req.h"
+
+
+/*================================================================*/
+/* Local Constants */
+
+/*================================================================*/
+/* Local Macros */
+
+
+/*================================================================*/
+/* Local Types */
+
+
+/*================================================================*/
+/* Local Static Definitions */
+
+static UINT8	oui_rfc1042[] = {0x00, 0x00, 0x00};
+static UINT8	oui_8021h[] = {0x00, 0x00, 0xf8};
+
+/*================================================================*/
+/* Local Function Declarations */
+
+
+/*================================================================*/
+/* Function Definitions */
+
+/*----------------------------------------------------------------
+* p80211pb_ether_to_80211
+*
+* Uses the contents of the ether frame and the etherconv setting
+* to build the elements of the 802.11 frame.
+*
+* We don't actually set
+* up the frame header here.  That's the MAC's job.  We're only handling
+* conversion of DIXII or 802.3+LLC frames to something that works
+* with 802.11.
+*
+* Note -- 802.11 header is NOT part of the skb.  Likewise, the 802.11
+*         FCS is also not present and will need to be added elsewhere.
+*
+* Arguments:
+*	ethconv		Conversion type to perform
+*	skb		skbuff containing the ether frame
+*       p80211_hdr      802.11 header
+*
+* Returns:
+*	0 on success, non-zero otherwise
+*
+* Call context:
+*	May be called in interrupt or non-interrupt context
+----------------------------------------------------------------*/
+int skb_ether_to_p80211( wlandevice_t *wlandev, UINT32 ethconv, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep)
+{
+
+	UINT16          fc;
+	UINT16          proto;
+	wlan_ethhdr_t   e_hdr;
+	wlan_llc_t      *e_llc;
+	wlan_snap_t     *e_snap;
+	int foo;
+
+	DBFENTER;
+	memcpy(&e_hdr, skb->data, sizeof(e_hdr));
+
+	if (skb->len <= 0) {
+		WLAN_LOG_DEBUG(1, "zero-length skb!\n");
+		return 1;
+	}
+
+	if ( ethconv == WLAN_ETHCONV_ENCAP ) { /* simplest case */
+	        WLAN_LOG_DEBUG(3, "ENCAP len: %d\n", skb->len);
+		/* here, we don't care what kind of ether frm. Just stick it */
+		/*  in the 80211 payload */
+		/* which is to say, leave the skb alone. */
+	} else {
+		/* step 1: classify ether frame, DIX or 802.3? */
+		proto = ntohs(e_hdr.type);
+		if ( proto <= 1500 ) {
+		        WLAN_LOG_DEBUG(3, "802.3 len: %d\n", skb->len);
+                        /* codes <= 1500 reserved for 802.3 lengths */
+			/* it's 802.3, pass ether payload unchanged,  */
+
+			/* trim off ethernet header */
+			skb_pull(skb, WLAN_ETHHDR_LEN);
+
+			/*   leave off any PAD octets.  */
+			skb_trim(skb, proto);
+		} else {
+		        WLAN_LOG_DEBUG(3, "DIXII len: %d\n", skb->len);
+			/* it's DIXII, time for some conversion */
+
+			/* trim off ethernet header */
+			skb_pull(skb, WLAN_ETHHDR_LEN);
+
+			/* tack on SNAP */
+			e_snap = (wlan_snap_t *) skb_push(skb, sizeof(wlan_snap_t));
+			e_snap->type = htons(proto);
+			if ( ethconv == WLAN_ETHCONV_8021h && p80211_stt_findproto(proto) ) {
+				memcpy( e_snap->oui, oui_8021h, WLAN_IEEE_OUI_LEN);
+			} else {
+				memcpy( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN);
+			}
+
+			/* tack on llc */
+			e_llc = (wlan_llc_t *) skb_push(skb, sizeof(wlan_llc_t));
+			e_llc->dsap = 0xAA;	/* SNAP, see IEEE 802 */
+			e_llc->ssap = 0xAA;
+			e_llc->ctl = 0x03;
+
+		}
+	}
+
+	/* Set up the 802.11 header */
+	/* It's a data frame */
+	fc = host2ieee16( WLAN_SET_FC_FTYPE(WLAN_FTYPE_DATA) |
+			  WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_DATAONLY));
+
+	switch ( wlandev->macmode ) {
+	case WLAN_MACMODE_IBSS_STA:
+		memcpy(p80211_hdr->a3.a1, &e_hdr.daddr, WLAN_ADDR_LEN);
+		memcpy(p80211_hdr->a3.a2, wlandev->netdev->dev_addr, WLAN_ADDR_LEN);
+		memcpy(p80211_hdr->a3.a3, wlandev->bssid, WLAN_ADDR_LEN);
+		break;
+	case WLAN_MACMODE_ESS_STA:
+		fc |= host2ieee16(WLAN_SET_FC_TODS(1));
+		memcpy(p80211_hdr->a3.a1, wlandev->bssid, WLAN_ADDR_LEN);
+		memcpy(p80211_hdr->a3.a2, wlandev->netdev->dev_addr, WLAN_ADDR_LEN);
+		memcpy(p80211_hdr->a3.a3, &e_hdr.daddr, WLAN_ADDR_LEN);
+		break;
+	case WLAN_MACMODE_ESS_AP:
+		fc |= host2ieee16(WLAN_SET_FC_FROMDS(1));
+		memcpy(p80211_hdr->a3.a1, &e_hdr.daddr, WLAN_ADDR_LEN);
+		memcpy(p80211_hdr->a3.a2, wlandev->bssid, WLAN_ADDR_LEN);
+		memcpy(p80211_hdr->a3.a3, &e_hdr.saddr, WLAN_ADDR_LEN);
+		break;
+	default:
+		WLAN_LOG_ERROR("Error: Converting eth to wlan in unknown mode.\n");
+		return 1;
+		break;
+	}
+
+	p80211_wep->data = NULL;
+
+	if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) && (wlandev->hostwep & HOSTWEP_ENCRYPT)) {
+		// XXXX need to pick keynum other than default?
+
+#if 1
+		p80211_wep->data = kmalloc(skb->len, GFP_ATOMIC);
+#else
+		p80211_wep->data = skb->data;
+#endif
+
+		if ((foo = wep_encrypt(wlandev, skb->data, p80211_wep->data,
+				       skb->len,
+				(wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK),
+				p80211_wep->iv, p80211_wep->icv))) {
+			WLAN_LOG_WARNING("Host en-WEP failed, dropping frame (%d).\n", foo);
+			return 2;
+		}
+		fc |= host2ieee16(WLAN_SET_FC_ISWEP(1));
+	}
+
+
+	//	skb->nh.raw = skb->data;
+
+	p80211_hdr->a3.fc = fc;
+	p80211_hdr->a3.dur = 0;
+	p80211_hdr->a3.seq = 0;
+
+	DBFEXIT;
+	return 0;
+}
+
+/* jkriegl: from orinoco, modified */
+static void orinoco_spy_gather(wlandevice_t *wlandev, char *mac,
+			       p80211_rxmeta_t *rxmeta)
+{
+        int i;
+
+        /* Gather wireless spy statistics: for each packet, compare the
+         * source address with out list, and if match, get the stats... */
+
+        for (i = 0; i < wlandev->spy_number; i++) {
+
+                if (!memcmp(wlandev->spy_address[i], mac, ETH_ALEN)) {
+			memcpy(wlandev->spy_address[i], mac, ETH_ALEN);
+                        wlandev->spy_stat[i].level = rxmeta->signal;
+                        wlandev->spy_stat[i].noise = rxmeta->noise;
+                        wlandev->spy_stat[i].qual = (rxmeta->signal > rxmeta->noise) ? \
+                                                     (rxmeta->signal - rxmeta->noise) : 0;
+                        wlandev->spy_stat[i].updated = 0x7;
+                }
+        }
+}
+
+/*----------------------------------------------------------------
+* p80211pb_80211_to_ether
+*
+* Uses the contents of a received 802.11 frame and the etherconv
+* setting to build an ether frame.
+*
+* This function extracts the src and dest address from the 802.11
+* frame to use in the construction of the eth frame.
+*
+* Arguments:
+*	ethconv		Conversion type to perform
+*	skb		Packet buffer containing the 802.11 frame
+*
+* Returns:
+*	0 on success, non-zero otherwise
+*
+* Call context:
+*	May be called in interrupt or non-interrupt context
+----------------------------------------------------------------*/
+int skb_p80211_to_ether( wlandevice_t *wlandev, UINT32 ethconv, struct sk_buff *skb)
+{
+	netdevice_t     *netdev = wlandev->netdev;
+	UINT16          fc;
+	UINT            payload_length;
+	UINT            payload_offset;
+	UINT8		daddr[WLAN_ETHADDR_LEN];
+	UINT8		saddr[WLAN_ETHADDR_LEN];
+	p80211_hdr_t    *w_hdr;
+	wlan_ethhdr_t   *e_hdr;
+	wlan_llc_t      *e_llc;
+	wlan_snap_t     *e_snap;
+
+	int foo;
+
+	DBFENTER;
+
+	payload_length = skb->len - WLAN_HDR_A3_LEN - WLAN_CRC_LEN;
+	payload_offset = WLAN_HDR_A3_LEN;
+
+	w_hdr = (p80211_hdr_t *) skb->data;
+
+        /* setup some vars for convenience */
+	fc = ieee2host16(w_hdr->a3.fc);
+	if ( (WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 0) ) {
+		memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN);
+		memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN);
+	} else if( (WLAN_GET_FC_TODS(fc) == 0) && (WLAN_GET_FC_FROMDS(fc) == 1) ) {
+		memcpy(daddr, w_hdr->a3.a1, WLAN_ETHADDR_LEN);
+		memcpy(saddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN);
+	} else if( (WLAN_GET_FC_TODS(fc) == 1) && (WLAN_GET_FC_FROMDS(fc) == 0) ) {
+		memcpy(daddr, w_hdr->a3.a3, WLAN_ETHADDR_LEN);
+		memcpy(saddr, w_hdr->a3.a2, WLAN_ETHADDR_LEN);
+	} else {
+		payload_offset = WLAN_HDR_A4_LEN;
+		payload_length -= ( WLAN_HDR_A4_LEN - WLAN_HDR_A3_LEN );
+		if (payload_length < 0 ) {
+			WLAN_LOG_ERROR("A4 frame too short!\n");
+			return 1;
+		}
+		memcpy(daddr, w_hdr->a4.a3, WLAN_ETHADDR_LEN);
+		memcpy(saddr, w_hdr->a4.a4, WLAN_ETHADDR_LEN);
+	}
+
+	/* perform de-wep if necessary.. */
+	if ((wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) && WLAN_GET_FC_ISWEP(fc) && (wlandev->hostwep & HOSTWEP_DECRYPT)) {
+		if (payload_length <= 8) {
+			WLAN_LOG_ERROR("WEP frame too short (%u).\n",
+					skb->len);
+			return 1;
+		}
+		if ((foo = wep_decrypt(wlandev, skb->data + payload_offset + 4,
+				       payload_length - 8, -1,
+				       skb->data + payload_offset,
+				       skb->data + payload_offset + payload_length - 4))) {
+			/* de-wep failed, drop skb. */
+			WLAN_LOG_DEBUG(1, "Host de-WEP failed, dropping frame (%d).\n", foo);
+			wlandev->rx.decrypt_err++;
+			return 2;
+		}
+
+		/* subtract the IV+ICV length off the payload */
+		payload_length -= 8;
+		/* chop off the IV */
+		skb_pull(skb, 4);
+		/* chop off the ICV. */
+		skb_trim(skb, skb->len - 4);
+
+		wlandev->rx.decrypt++;
+	}
+
+	e_hdr = (wlan_ethhdr_t *) (skb->data + payload_offset);
+
+	e_llc = (wlan_llc_t *) (skb->data + payload_offset);
+	e_snap = (wlan_snap_t *) (skb->data + payload_offset + sizeof(wlan_llc_t));
+
+	/* Test for the various encodings */
+	if ( (payload_length >= sizeof(wlan_ethhdr_t)) &&
+	     ( e_llc->dsap != 0xaa || e_llc->ssap != 0xaa ) &&
+	     ((memcmp(daddr, e_hdr->daddr, WLAN_ETHADDR_LEN) == 0) ||
+	     (memcmp(saddr, e_hdr->saddr, WLAN_ETHADDR_LEN) == 0))) {
+		WLAN_LOG_DEBUG(3, "802.3 ENCAP len: %d\n", payload_length);
+		/* 802.3 Encapsulated */
+		/* Test for an overlength frame */
+		if ( payload_length > (netdev->mtu + WLAN_ETHHDR_LEN)) {
+			/* A bogus length ethfrm has been encap'd. */
+			/* Is someone trying an oflow attack? */
+			WLAN_LOG_ERROR("ENCAP frame too large (%d > %d)\n",
+				payload_length, netdev->mtu + WLAN_ETHHDR_LEN);
+			return 1;
+		}
+
+		/* Chop off the 802.11 header.  it's already sane. */
+		skb_pull(skb, payload_offset);
+		/* chop off the 802.11 CRC */
+		skb_trim(skb, skb->len - WLAN_CRC_LEN);
+
+	} else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t)) &&
+		   (e_llc->dsap == 0xaa) &&
+		   (e_llc->ssap == 0xaa) &&
+		   (e_llc->ctl == 0x03) &&
+		   (((memcmp( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN)==0) &&
+		    (ethconv == WLAN_ETHCONV_8021h) &&
+		    (p80211_stt_findproto(ieee2host16(e_snap->type)))) ||
+		    (memcmp( e_snap->oui, oui_rfc1042, WLAN_IEEE_OUI_LEN)!=0)))
+	{
+		WLAN_LOG_DEBUG(3, "SNAP+RFC1042 len: %d\n", payload_length);
+		/* it's a SNAP + RFC1042 frame && protocol is in STT */
+		/* build 802.3 + RFC1042 */
+
+		/* Test for an overlength frame */
+		if ( payload_length > netdev->mtu ) {
+			/* A bogus length ethfrm has been sent. */
+			/* Is someone trying an oflow attack? */
+			WLAN_LOG_ERROR("SNAP frame too large (%d > %d)\n",
+				payload_length, netdev->mtu);
+			return 1;
+		}
+
+		/* chop 802.11 header from skb. */
+		skb_pull(skb, payload_offset);
+
+		/* create 802.3 header at beginning of skb. */
+		e_hdr = (wlan_ethhdr_t *) skb_push(skb, WLAN_ETHHDR_LEN);
+		memcpy(e_hdr->daddr, daddr, WLAN_ETHADDR_LEN);
+		memcpy(e_hdr->saddr, saddr, WLAN_ETHADDR_LEN);
+		e_hdr->type = htons(payload_length);
+
+		/* chop off the 802.11 CRC */
+		skb_trim(skb, skb->len - WLAN_CRC_LEN);
+
+	}  else if ((payload_length >= sizeof(wlan_llc_t) + sizeof(wlan_snap_t)) &&
+		    (e_llc->dsap == 0xaa) &&
+		    (e_llc->ssap == 0xaa) &&
+		    (e_llc->ctl == 0x03) ) {
+		WLAN_LOG_DEBUG(3, "802.1h/RFC1042 len: %d\n", payload_length);
+		/* it's an 802.1h frame || (an RFC1042 && protocol is not in STT) */
+		/* build a DIXII + RFC894 */
+
+		/* Test for an overlength frame */
+		if ((payload_length - sizeof(wlan_llc_t) - sizeof(wlan_snap_t))
+		    > netdev->mtu) {
+			/* A bogus length ethfrm has been sent. */
+			/* Is someone trying an oflow attack? */
+			WLAN_LOG_ERROR("DIXII frame too large (%ld > %d)\n",
+					(long int) (payload_length - sizeof(wlan_llc_t) -
+						    sizeof(wlan_snap_t)),
+					netdev->mtu);
+			return 1;
+		}
+
+		/* chop 802.11 header from skb. */
+		skb_pull(skb, payload_offset);
+
+		/* chop llc header from skb. */
+		skb_pull(skb, sizeof(wlan_llc_t));
+
+		/* chop snap header from skb. */
+		skb_pull(skb, sizeof(wlan_snap_t));
+
+		/* create 802.3 header at beginning of skb. */
+		e_hdr = (wlan_ethhdr_t *) skb_push(skb, WLAN_ETHHDR_LEN);
+		e_hdr->type = e_snap->type;
+		memcpy(e_hdr->daddr, daddr, WLAN_ETHADDR_LEN);
+		memcpy(e_hdr->saddr, saddr, WLAN_ETHADDR_LEN);
+
+		/* chop off the 802.11 CRC */
+		skb_trim(skb, skb->len - WLAN_CRC_LEN);
+	} else {
+		WLAN_LOG_DEBUG(3, "NON-ENCAP len: %d\n", payload_length);
+		/* any NON-ENCAP */
+		/* it's a generic 80211+LLC or IPX 'Raw 802.3' */
+		/*  build an 802.3 frame */
+		/* allocate space and setup hostbuf */
+
+		/* Test for an overlength frame */
+		if ( payload_length > netdev->mtu ) {
+			/* A bogus length ethfrm has been sent. */
+			/* Is someone trying an oflow attack? */
+			WLAN_LOG_ERROR("OTHER frame too large (%d > %d)\n",
+				payload_length,
+				netdev->mtu);
+			return 1;
+		}
+
+		/* Chop off the 802.11 header. */
+		skb_pull(skb, payload_offset);
+
+		/* create 802.3 header at beginning of skb. */
+		e_hdr = (wlan_ethhdr_t *) skb_push(skb, WLAN_ETHHDR_LEN);
+		memcpy(e_hdr->daddr, daddr, WLAN_ETHADDR_LEN);
+		memcpy(e_hdr->saddr, saddr, WLAN_ETHADDR_LEN);
+		e_hdr->type = htons(payload_length);
+
+		/* chop off the 802.11 CRC */
+		skb_trim(skb, skb->len - WLAN_CRC_LEN);
+
+	}
+
+	skb->protocol = eth_type_trans(skb, netdev);
+	skb_reset_mac_header(skb);
+
+        /* jkriegl: process signal and noise as set in hfa384x_int_rx() */
+	/* jkriegl: only process signal/noise if requested by iwspy */
+        if (wlandev->spy_number)
+                orinoco_spy_gather(wlandev, eth_hdr(skb)->h_source, P80211SKB_RXMETA(skb));
+
+	/* Free the metadata */
+	p80211skb_rxmeta_detach(skb);
+
+	DBFEXIT;
+	return 0;
+}
+
+/*----------------------------------------------------------------
+* p80211_stt_findproto
+*
+* Searches the 802.1h Selective Translation Table for a given
+* protocol.
+*
+* Arguments:
+*	proto	protocl number (in host order) to search for.
+*
+* Returns:
+*	1 - if the table is empty or a match is found.
+*	0 - if the table is non-empty and a match is not found.
+*
+* Call context:
+*	May be called in interrupt or non-interrupt context
+----------------------------------------------------------------*/
+int p80211_stt_findproto(UINT16 proto)
+{
+	/* Always return found for now.  This is the behavior used by the */
+	/*  Zoom Win95 driver when 802.1h mode is selected */
+	/* TODO: If necessary, add an actual search we'll probably
+		 need this to match the CMAC's way of doing things.
+		 Need to do some testing to confirm.
+	*/
+
+	if (proto == 0x80f3)  /* APPLETALK */
+		return 1;
+
+	return 0;
+}
+
+/*----------------------------------------------------------------
+* p80211skb_rxmeta_detach
+*
+* Disconnects the frmmeta and rxmeta from an skb.
+*
+* Arguments:
+*	wlandev		The wlandev this skb belongs to.
+*	skb		The skb we're attaching to.
+*
+* Returns:
+*	0 on success, non-zero otherwise
+*
+* Call context:
+*	May be called in interrupt or non-interrupt context
+----------------------------------------------------------------*/
+void
+p80211skb_rxmeta_detach(struct sk_buff *skb)
+{
+	p80211_rxmeta_t		*rxmeta;
+	p80211_frmmeta_t	*frmmeta;
+
+	DBFENTER;
+	/* Sanity checks */
+	if ( skb==NULL ) {			/* bad skb */
+		WLAN_LOG_DEBUG(1, "Called w/ null skb.\n");
+		goto exit;
+	}
+	frmmeta = P80211SKB_FRMMETA(skb);
+	if ( frmmeta == NULL ) { 		/* no magic */
+		WLAN_LOG_DEBUG(1, "Called w/ bad frmmeta magic.\n");
+		goto exit;
+	}
+	rxmeta = frmmeta->rx;
+	if ( rxmeta == NULL ) {			/* bad meta ptr */
+		WLAN_LOG_DEBUG(1, "Called w/ bad rxmeta ptr.\n");
+		goto exit;
+	}
+
+	/* Free rxmeta */
+	kfree(rxmeta);
+
+	/* Clear skb->cb */
+	memset(skb->cb, 0, sizeof(skb->cb));
+exit:
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* p80211skb_rxmeta_attach
+*
+* Allocates a p80211rxmeta structure, initializes it, and attaches
+* it to an skb.
+*
+* Arguments:
+*	wlandev		The wlandev this skb belongs to.
+*	skb		The skb we're attaching to.
+*
+* Returns:
+*	0 on success, non-zero otherwise
+*
+* Call context:
+*	May be called in interrupt or non-interrupt context
+----------------------------------------------------------------*/
+int
+p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb)
+{
+	int			result = 0;
+	p80211_rxmeta_t		*rxmeta;
+	p80211_frmmeta_t	*frmmeta;
+
+	DBFENTER;
+
+	/* If these already have metadata, we error out! */
+	if (P80211SKB_RXMETA(skb) != NULL) {
+		WLAN_LOG_ERROR("%s: RXmeta already attached!\n",
+				wlandev->name);
+		result = 0;
+		goto exit;
+	}
+
+	/* Allocate the rxmeta */
+	rxmeta = kmalloc(sizeof(p80211_rxmeta_t), GFP_ATOMIC);
+
+	if ( rxmeta == NULL ) {
+		WLAN_LOG_ERROR("%s: Failed to allocate rxmeta.\n",
+				wlandev->name);
+		result = 1;
+		goto exit;
+	}
+
+	/* Initialize the rxmeta */
+	memset(rxmeta, 0, sizeof(p80211_rxmeta_t));
+	rxmeta->wlandev = wlandev;
+	rxmeta->hosttime = jiffies;
+
+	/* Overlay a frmmeta_t onto skb->cb */
+	memset(skb->cb, 0, sizeof(p80211_frmmeta_t));
+	frmmeta = (p80211_frmmeta_t*)(skb->cb);
+	frmmeta->magic = P80211_FRMMETA_MAGIC;
+	frmmeta->rx = rxmeta;
+exit:
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* p80211skb_free
+*
+* Frees an entire p80211skb by checking and freeing the meta struct
+* and then freeing the skb.
+*
+* Arguments:
+*	wlandev		The wlandev this skb belongs to.
+*	skb		The skb we're attaching to.
+*
+* Returns:
+*	0 on success, non-zero otherwise
+*
+* Call context:
+*	May be called in interrupt or non-interrupt context
+----------------------------------------------------------------*/
+void
+p80211skb_free(struct wlandevice *wlandev, struct sk_buff *skb)
+{
+	p80211_frmmeta_t	*meta;
+	DBFENTER;
+	meta = P80211SKB_FRMMETA(skb);
+	if ( meta && meta->rx) {
+		p80211skb_rxmeta_detach(skb);
+	} else {
+		WLAN_LOG_ERROR("Freeing an skb (%p) w/ no frmmeta.\n", skb);
+	}
+
+	dev_kfree_skb(skb);
+	DBFEXIT;
+	return;
+}
diff --git a/drivers/staging/wlan-ng/p80211conv.h b/drivers/staging/wlan-ng/p80211conv.h
new file mode 100644
index 00000000000..3f5ab57cd9a
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211conv.h
@@ -0,0 +1,186 @@
+/* p80211conv.h
+*
+* Ether/802.11 conversions and packet buffer routines
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares the functions, types and macros that perform
+* Ethernet to/from 802.11 frame conversions.
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _LINUX_P80211CONV_H
+#define _LINUX_P80211CONV_H
+
+/*================================================================*/
+/* Constants */
+
+#define WLAN_ETHADDR_LEN	6
+#define WLAN_IEEE_OUI_LEN	3
+
+#define WLAN_ETHCONV_ENCAP	1
+#define WLAN_ETHCONV_RFC1042	2
+#define WLAN_ETHCONV_8021h	3
+
+#define WLAN_MIN_ETHFRM_LEN	60
+#define WLAN_MAX_ETHFRM_LEN	1514
+#define WLAN_ETHHDR_LEN		14
+
+#define P80211CAPTURE_VERSION	0x80211001
+
+/*================================================================*/
+/* Macros */
+
+#define	P80211_FRMMETA_MAGIC		0x802110
+
+#define P80211SKB_FRMMETA(s) \
+	(((((p80211_frmmeta_t*)((s)->cb))->magic)==P80211_FRMMETA_MAGIC) ? \
+		((p80211_frmmeta_t*)((s)->cb)) : \
+		(NULL))
+
+#define P80211SKB_RXMETA(s) \
+	(P80211SKB_FRMMETA((s)) ?  P80211SKB_FRMMETA((s))->rx : ((p80211_rxmeta_t*)(NULL)))
+
+typedef struct p80211_rxmeta
+{
+	struct wlandevice	*wlandev;
+
+	UINT64	mactime;	/* Hi-rez MAC-supplied time value */
+	UINT64	hosttime;	/* Best-rez host supplied time value */
+
+	UINT	rxrate;		/* Receive data rate in 100kbps */
+	UINT	priority;	/* 0-15, 0=contention, 6=CF */
+	INT	signal;		/* An SSI, see p80211netdev.h */
+	INT	noise;		/* An SSI, see p80211netdev.h */
+	UINT	channel;	/* Receive channel (mostly for snifs) */
+	UINT	preamble;	/* P80211ENUM_preambletype_* */
+	UINT	encoding;	/* P80211ENUM_encoding_* */
+
+} p80211_rxmeta_t;
+
+typedef struct p80211_frmmeta
+{
+	UINT			magic;
+	p80211_rxmeta_t		*rx;
+} p80211_frmmeta_t;
+
+void p80211skb_free(struct wlandevice *wlandev, struct sk_buff *skb);
+int p80211skb_rxmeta_attach(struct wlandevice *wlandev, struct sk_buff *skb);
+void p80211skb_rxmeta_detach(struct sk_buff *skb);
+
+/*================================================================*/
+/* Types */
+
+/*
+ * Frame capture header.  (See doc/capturefrm.txt)
+ */
+typedef struct p80211_caphdr
+{
+	UINT32		version;
+	UINT32		length;
+	UINT64		mactime;
+	UINT64		hosttime;
+	UINT32		phytype;
+	UINT32		channel;
+	UINT32		datarate;
+	UINT32		antenna;
+	UINT32		priority;
+	UINT32		ssi_type;
+	INT32		ssi_signal;
+	INT32		ssi_noise;
+	UINT32		preamble;
+	UINT32		encoding;
+} p80211_caphdr_t;
+
+/* buffer free method pointer type */
+typedef void (* freebuf_method_t)(void *buf, int size);
+
+typedef struct p80211_metawep {
+	void  *data;
+	UINT8 iv[4];
+	UINT8 icv[4];
+} p80211_metawep_t;
+
+/* local ether header type */
+typedef struct wlan_ethhdr
+{
+	UINT8	daddr[WLAN_ETHADDR_LEN];
+	UINT8	saddr[WLAN_ETHADDR_LEN];
+	UINT16	type;
+} __WLAN_ATTRIB_PACK__ wlan_ethhdr_t;
+
+/* local llc header type */
+typedef struct wlan_llc
+{
+	UINT8	dsap;
+	UINT8	ssap;
+	UINT8	ctl;
+} __WLAN_ATTRIB_PACK__ wlan_llc_t;
+
+/* local snap header type */
+typedef struct wlan_snap
+{
+	UINT8	oui[WLAN_IEEE_OUI_LEN];
+	UINT16	type;
+} __WLAN_ATTRIB_PACK__ wlan_snap_t;
+
+/* Circular include trick */
+struct wlandevice;
+
+/*================================================================*/
+/* Externs */
+
+/*================================================================*/
+/*Function Declarations */
+
+int skb_p80211_to_ether( struct wlandevice *wlandev, UINT32 ethconv,
+			 struct sk_buff *skb);
+int skb_ether_to_p80211( struct wlandevice *wlandev, UINT32 ethconv,
+			 struct sk_buff *skb, p80211_hdr_t *p80211_hdr,
+			 p80211_metawep_t *p80211_wep );
+
+int p80211_stt_findproto(UINT16 proto);
+int p80211_stt_addproto(UINT16 proto);
+
+#endif
diff --git a/drivers/staging/wlan-ng/p80211hdr.h b/drivers/staging/wlan-ng/p80211hdr.h
new file mode 100644
index 00000000000..b7b0872fd86
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211hdr.h
@@ -0,0 +1,299 @@
+/* p80211hdr.h
+*
+* Macros, types, and functions for handling 802.11 MAC headers
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares the constants and types used in the interface
+* between a wlan driver and the user mode utilities.
+*
+* Note:
+*  - Constant values are always in HOST byte order.  To assign
+*    values to multi-byte fields they _must_ be converted to
+*    ieee byte order.  To retrieve multi-byte values from incoming
+*    frames, they must be converted to host order.
+*
+* All functions declared here are implemented in p80211.c
+* --------------------------------------------------------------------
+*/
+
+#ifndef _P80211HDR_H
+#define _P80211HDR_H
+
+/*================================================================*/
+/* System Includes */
+
+/*================================================================*/
+/* Project Includes */
+
+#ifndef  _WLAN_COMPAT_H
+#include "wlan_compat.h"
+#endif
+
+
+/*================================================================*/
+/* Constants */
+
+/*--- Sizes -----------------------------------------------*/
+#define WLAN_ADDR_LEN			6
+#define WLAN_CRC_LEN			4
+#define WLAN_BSSID_LEN			6
+#define WLAN_BSS_TS_LEN			8
+#define WLAN_HDR_A3_LEN			24
+#define WLAN_HDR_A4_LEN			30
+#define WLAN_SSID_MAXLEN		32
+#define WLAN_DATA_MAXLEN		2312
+#define WLAN_A3FR_MAXLEN		(WLAN_HDR_A3_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)
+#define WLAN_A4FR_MAXLEN		(WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)
+#define WLAN_BEACON_FR_MAXLEN		(WLAN_HDR_A3_LEN + 334)
+#define WLAN_ATIM_FR_MAXLEN		(WLAN_HDR_A3_LEN + 0)
+#define WLAN_DISASSOC_FR_MAXLEN		(WLAN_HDR_A3_LEN + 2)
+#define WLAN_ASSOCREQ_FR_MAXLEN		(WLAN_HDR_A3_LEN + 48)
+#define WLAN_ASSOCRESP_FR_MAXLEN	(WLAN_HDR_A3_LEN + 16)
+#define WLAN_REASSOCREQ_FR_MAXLEN	(WLAN_HDR_A3_LEN + 54)
+#define WLAN_REASSOCRESP_FR_MAXLEN	(WLAN_HDR_A3_LEN + 16)
+#define WLAN_PROBEREQ_FR_MAXLEN		(WLAN_HDR_A3_LEN + 44)
+#define WLAN_PROBERESP_FR_MAXLEN	(WLAN_HDR_A3_LEN + 78)
+#define WLAN_AUTHEN_FR_MAXLEN		(WLAN_HDR_A3_LEN + 261)
+#define WLAN_DEAUTHEN_FR_MAXLEN		(WLAN_HDR_A3_LEN + 2)
+#define WLAN_WEP_NKEYS			4
+#define WLAN_WEP_MAXKEYLEN		13
+#define WLAN_CHALLENGE_IE_LEN		130
+#define WLAN_CHALLENGE_LEN		128
+#define WLAN_WEP_IV_LEN			4
+#define WLAN_WEP_ICV_LEN		4
+
+/*--- Frame Control Field -------------------------------------*/
+/* Frame Types */
+#define WLAN_FTYPE_MGMT			0x00
+#define WLAN_FTYPE_CTL			0x01
+#define WLAN_FTYPE_DATA			0x02
+
+/* Frame subtypes */
+/* Management */
+#define WLAN_FSTYPE_ASSOCREQ		0x00
+#define WLAN_FSTYPE_ASSOCRESP		0x01
+#define WLAN_FSTYPE_REASSOCREQ		0x02
+#define WLAN_FSTYPE_REASSOCRESP		0x03
+#define WLAN_FSTYPE_PROBEREQ		0x04
+#define WLAN_FSTYPE_PROBERESP		0x05
+#define WLAN_FSTYPE_BEACON		0x08
+#define WLAN_FSTYPE_ATIM		0x09
+#define WLAN_FSTYPE_DISASSOC		0x0a
+#define WLAN_FSTYPE_AUTHEN		0x0b
+#define WLAN_FSTYPE_DEAUTHEN		0x0c
+
+/* Control */
+#define WLAN_FSTYPE_BLOCKACKREQ		0x8
+#define WLAN_FSTYPE_BLOCKACK  		0x9
+#define WLAN_FSTYPE_PSPOLL		0x0a
+#define WLAN_FSTYPE_RTS			0x0b
+#define WLAN_FSTYPE_CTS			0x0c
+#define WLAN_FSTYPE_ACK			0x0d
+#define WLAN_FSTYPE_CFEND		0x0e
+#define WLAN_FSTYPE_CFENDCFACK		0x0f
+
+/* Data */
+#define WLAN_FSTYPE_DATAONLY		0x00
+#define WLAN_FSTYPE_DATA_CFACK		0x01
+#define WLAN_FSTYPE_DATA_CFPOLL		0x02
+#define WLAN_FSTYPE_DATA_CFACK_CFPOLL	0x03
+#define WLAN_FSTYPE_NULL		0x04
+#define WLAN_FSTYPE_CFACK		0x05
+#define WLAN_FSTYPE_CFPOLL		0x06
+#define WLAN_FSTYPE_CFACK_CFPOLL	0x07
+
+
+/*================================================================*/
+/* Macros */
+
+/*--- FC Macros ----------------------------------------------*/
+/* Macros to get/set the bitfields of the Frame Control Field */
+/*  GET_FC_??? - takes the host byte-order value of an FC     */
+/*               and retrieves the value of one of the        */
+/*               bitfields and moves that value so its lsb is */
+/*               in bit 0.                                    */
+/*  SET_FC_??? - takes a host order value for one of the FC   */
+/*               bitfields and moves it to the proper bit     */
+/*               location for ORing into a host order FC.     */
+/*               To send the FC produced from SET_FC_???,     */
+/*               one must put the bytes in IEEE order.        */
+/*  e.g.                                                      */
+/*     printf("the frame subtype is %x",                      */
+/*                 GET_FC_FTYPE( ieee2host( rx.fc )))         */
+/*                                                            */
+/*     tx.fc = host2ieee( SET_FC_FTYPE(WLAN_FTYP_CTL) |       */
+/*                        SET_FC_FSTYPE(WLAN_FSTYPE_RTS) );   */
+/*------------------------------------------------------------*/
+
+#define WLAN_GET_FC_PVER(n)	 (((UINT16)(n)) & (BIT0 | BIT1))
+#define WLAN_GET_FC_FTYPE(n)	((((UINT16)(n)) & (BIT2 | BIT3)) >> 2)
+#define WLAN_GET_FC_FSTYPE(n)	((((UINT16)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
+#define WLAN_GET_FC_TODS(n) 	((((UINT16)(n)) & (BIT8)) >> 8)
+#define WLAN_GET_FC_FROMDS(n)	((((UINT16)(n)) & (BIT9)) >> 9)
+#define WLAN_GET_FC_MOREFRAG(n) ((((UINT16)(n)) & (BIT10)) >> 10)
+#define WLAN_GET_FC_RETRY(n)	((((UINT16)(n)) & (BIT11)) >> 11)
+#define WLAN_GET_FC_PWRMGT(n)	((((UINT16)(n)) & (BIT12)) >> 12)
+#define WLAN_GET_FC_MOREDATA(n) ((((UINT16)(n)) & (BIT13)) >> 13)
+#define WLAN_GET_FC_ISWEP(n)	((((UINT16)(n)) & (BIT14)) >> 14)
+#define WLAN_GET_FC_ORDER(n)	((((UINT16)(n)) & (BIT15)) >> 15)
+
+#define WLAN_SET_FC_PVER(n)	((UINT16)(n))
+#define WLAN_SET_FC_FTYPE(n)	(((UINT16)(n)) << 2)
+#define WLAN_SET_FC_FSTYPE(n)	(((UINT16)(n)) << 4)
+#define WLAN_SET_FC_TODS(n) 	(((UINT16)(n)) << 8)
+#define WLAN_SET_FC_FROMDS(n)	(((UINT16)(n)) << 9)
+#define WLAN_SET_FC_MOREFRAG(n) (((UINT16)(n)) << 10)
+#define WLAN_SET_FC_RETRY(n)	(((UINT16)(n)) << 11)
+#define WLAN_SET_FC_PWRMGT(n)	(((UINT16)(n)) << 12)
+#define WLAN_SET_FC_MOREDATA(n) (((UINT16)(n)) << 13)
+#define WLAN_SET_FC_ISWEP(n)	(((UINT16)(n)) << 14)
+#define WLAN_SET_FC_ORDER(n)	(((UINT16)(n)) << 15)
+
+/*--- Duration Macros ----------------------------------------*/
+/* Macros to get/set the bitfields of the Duration Field      */
+/*  - the duration value is only valid when bit15 is zero     */
+/*  - the firmware handles these values, so I'm not going     */
+/*    these macros right now.                                 */
+/*------------------------------------------------------------*/
+
+/*--- Sequence Control  Macros -------------------------------*/
+/* Macros to get/set the bitfields of the Sequence Control    */
+/* Field.                                                     */
+/*------------------------------------------------------------*/
+#define WLAN_GET_SEQ_FRGNUM(n) (((UINT16)(n)) & (BIT0|BIT1|BIT2|BIT3))
+#define WLAN_GET_SEQ_SEQNUM(n) ((((UINT16)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
+
+/*--- Data ptr macro -----------------------------------------*/
+/* Creates a UINT8* to the data portion of a frame            */
+/* Assumes you're passing in a ptr to the beginning of the hdr*/
+/*------------------------------------------------------------*/
+#define WLAN_HDR_A3_DATAP(p) (((UINT8*)(p)) + WLAN_HDR_A3_LEN)
+#define WLAN_HDR_A4_DATAP(p) (((UINT8*)(p)) + WLAN_HDR_A4_LEN)
+
+#define DOT11_RATE5_ISBASIC_GET(r)     (((UINT8)(r)) & BIT7)
+
+/*================================================================*/
+/* Types */
+
+/* BSS Timestamp */
+typedef UINT8 wlan_bss_ts_t[WLAN_BSS_TS_LEN];
+
+/* Generic 802.11 Header types */
+
+typedef struct p80211_hdr_a3
+{
+	UINT16	fc;
+	UINT16	dur;
+	UINT8	a1[WLAN_ADDR_LEN];
+	UINT8	a2[WLAN_ADDR_LEN];
+	UINT8	a3[WLAN_ADDR_LEN];
+	UINT16	seq;
+} __WLAN_ATTRIB_PACK__ p80211_hdr_a3_t;
+
+typedef struct p80211_hdr_a4
+{
+	UINT16	fc;
+	UINT16	dur;
+	UINT8	a1[WLAN_ADDR_LEN];
+	UINT8	a2[WLAN_ADDR_LEN];
+	UINT8	a3[WLAN_ADDR_LEN];
+	UINT16	seq;
+	UINT8	a4[WLAN_ADDR_LEN];
+} __WLAN_ATTRIB_PACK__ p80211_hdr_a4_t;
+
+typedef union p80211_hdr
+{
+	p80211_hdr_a3_t		a3;
+	p80211_hdr_a4_t		a4;
+} __WLAN_ATTRIB_PACK__ p80211_hdr_t;
+
+
+/*================================================================*/
+/* Extern Declarations */
+
+
+/*================================================================*/
+/* Function Declarations */
+
+/* Frame and header lenght macros */
+
+#define WLAN_CTL_FRAMELEN(fstype) (\
+	(fstype) == WLAN_FSTYPE_BLOCKACKREQ	? 24 : \
+	(fstype) == WLAN_FSTYPE_BLOCKACK   	? 152 : \
+	(fstype) == WLAN_FSTYPE_PSPOLL		? 20 : \
+	(fstype) == WLAN_FSTYPE_RTS		? 20 : \
+	(fstype) == WLAN_FSTYPE_CTS		? 14 : \
+	(fstype) == WLAN_FSTYPE_ACK		? 14 : \
+	(fstype) == WLAN_FSTYPE_CFEND		? 20 : \
+	(fstype) == WLAN_FSTYPE_CFENDCFACK	? 20 : 4)
+
+#define WLAN_FCS_LEN			4
+
+/* ftcl in HOST order */
+inline static UINT16 p80211_headerlen(UINT16 fctl)
+{
+	UINT16 hdrlen = 0;
+
+	switch ( WLAN_GET_FC_FTYPE(fctl) ) {
+	case WLAN_FTYPE_MGMT:
+		hdrlen = WLAN_HDR_A3_LEN;
+		break;
+	case WLAN_FTYPE_DATA:
+		hdrlen = WLAN_HDR_A3_LEN;
+		if ( WLAN_GET_FC_TODS(fctl) && WLAN_GET_FC_FROMDS(fctl) ) {
+			hdrlen += WLAN_ADDR_LEN;
+		}
+		break;
+	case WLAN_FTYPE_CTL:
+		hdrlen = WLAN_CTL_FRAMELEN(WLAN_GET_FC_FSTYPE(fctl)) -
+			WLAN_FCS_LEN;
+		break;
+	default:
+		hdrlen = WLAN_HDR_A3_LEN;
+	}
+
+	return hdrlen;
+}
+
+#endif /* _P80211HDR_H */
diff --git a/drivers/staging/wlan-ng/p80211ioctl.h b/drivers/staging/wlan-ng/p80211ioctl.h
new file mode 100644
index 00000000000..25b2ea83622
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211ioctl.h
@@ -0,0 +1,123 @@
+/* p80211ioctl.h
+*
+* Declares constants and types for the p80211 ioctls
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+*  While this file is called 'ioctl' is purpose goes a little beyond
+*  that.  This file defines the types and contants used to implement
+*  the p80211 request/confirm/indicate interfaces on Linux.  The
+*  request/confirm interface is, in fact, normally implemented as an
+*  ioctl.  The indicate interface on the other hand, is implemented
+*  using the Linux 'netlink' interface.
+*
+*  The reason I say that request/confirm is 'normally' implemented
+*  via ioctl is that we're reserving the right to be able to send
+*  request commands via the netlink interface.  This will be necessary
+*  if we ever need to send request messages when there aren't any
+*  wlan network devices present (i.e. sending a message that only p80211
+*  cares about.
+* --------------------------------------------------------------------
+*/
+
+
+#ifndef _P80211IOCTL_H
+#define _P80211IOCTL_H
+
+/*================================================================*/
+/* Constants */
+
+/*----------------------------------------------------------------*/
+/* p80211 ioctl "request" codes.  See argument 2 of ioctl(2). */
+
+#define P80211_IFTEST		(SIOCDEVPRIVATE + 0)
+#define P80211_IFREQ		(SIOCDEVPRIVATE + 1)
+
+/*----------------------------------------------------------------*/
+/* Magic number, a quick test to see we're getting the desired struct */
+
+#define P80211_IOCTL_MAGIC	(0x4a2d464dUL)
+
+/*----------------------------------------------------------------*/
+/* Netlink protocol numbers for the indication interface */
+
+#define P80211_NL_SOCK_IND	NETLINK_USERSOCK
+
+/*----------------------------------------------------------------*/
+/* Netlink multicast bits for different types of messages */
+
+#define P80211_NL_MCAST_GRP_MLME	BIT0	/* Local station messages */
+#define P80211_NL_MCAST_GRP_SNIFF	BIT1	/* Sniffer messages */
+#define P80211_NL_MCAST_GRP_DIST	BIT2	/* Distribution system messages */
+
+/*================================================================*/
+/* Macros */
+
+
+/*================================================================*/
+/* Types */
+
+/*----------------------------------------------------------------*/
+/* A ptr to the following structure type is passed as the third */
+/*  argument to the ioctl system call when issuing a request to */
+/*  the p80211 module. */
+
+typedef struct p80211ioctl_req
+{
+	char 	name[WLAN_DEVNAMELEN_MAX];
+	caddr_t data;
+	UINT32	magic;
+	UINT16	len;
+	UINT32	result;
+} __WLAN_ATTRIB_PACK__ p80211ioctl_req_t;
+
+
+/*================================================================*/
+/* Extern Declarations */
+
+
+/*================================================================*/
+/* Function Declarations */
+
+
+#endif /* _P80211IOCTL_H */
diff --git a/drivers/staging/wlan-ng/p80211meta.h b/drivers/staging/wlan-ng/p80211meta.h
new file mode 100644
index 00000000000..5cb3f5ada4f
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211meta.h
@@ -0,0 +1,169 @@
+/* p80211meta.h
+*
+* Macros, constants, types, and funcs for p80211 metadata
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares some of the constants and types used in various
+* parts of the linux-wlan system.
+*
+* Notes:
+*   - Constant values are always in HOST byte order.
+*
+* All functions and statics declared here are implemented in p80211types.c
+*   --------------------------------------------------------------------
+*/
+
+#ifndef _P80211META_H
+#define _P80211META_H
+
+/*================================================================*/
+/* System Includes */
+
+/*================================================================*/
+/* Project Includes */
+
+#ifndef _WLAN_COMPAT_H
+#include "wlan_compat.h"
+#endif
+
+/*================================================================*/
+/* Constants */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Macros */
+
+/*----------------------------------------------------------------*/
+/* The following macros are used to ensure consistent naming */
+/*  conventions for all the different metadata lists. */
+
+#define MKREQMETANAME(name)		p80211meta_ ## req ## _ ## name
+#define MKINDMETANAME(name)		p80211meta_ ## ind ## _ ## name
+#define MKMIBMETANAME(name)		p80211meta_ ## mib ## _ ## name
+#define MKGRPMETANAME(name)		p80211meta_ ## grp ## _ ## name
+
+#define MKREQMETASIZE(name)		p80211meta_ ## req ## _ ## name ## _ ## size
+#define MKINDMETASIZE(name)		p80211meta_ ## ind ## _ ## name ## _ ## size
+#define MKMIBMETASIZE(name)		p80211meta_ ## mib ## _ ## name ## _ ## size
+#define MKGRPMETASIZE(name)		p80211meta_ ## grp ## _ ## name ## _ ## size
+
+#define GETMETASIZE(aptr)		(**((UINT32**)(aptr)))
+
+/*----------------------------------------------------------------*/
+/* The following ifdef depends on the following defines: */
+/*  P80211_NOINCLUDESTRINGS - if defined, all metadata name fields */
+/*                               are empty strings */
+
+#ifdef P80211_NOINCLUDESTRINGS
+	#define	MKITEMNAME(s)	("")
+#else
+	#define	MKITEMNAME(s)	(s)
+#endif
+
+/*================================================================*/
+/* Types */
+
+/*----------------------------------------------------------------*/
+/* The following structure types are used for the metadata */
+/* representation of category list metadata, group list metadata, */
+/* and data item metadata for both Mib and Messages. */
+
+typedef struct p80211meta
+{
+	char			*name;		/* data item name */
+	UINT32			did;		/* partial did */
+	UINT32			flags;		/* set of various flag bits */
+	UINT32			min;		/* min value of a BOUNDEDINT */
+	UINT32			max;		/* max value of a BOUNDEDINT */
+
+	UINT32			maxlen;		/* maxlen of a OCTETSTR or DISPLAYSTR */
+	UINT32			minlen;		/* minlen of a OCTETSTR or DISPLAYSTR */
+	p80211enum_t		*enumptr;	/* ptr to the enum type for ENUMINT */
+	p80211_totext_t		totextptr;	/* ptr to totext conversion function */
+	p80211_fromtext_t	fromtextptr;	/* ptr to totext conversion function */
+	p80211_valid_t		validfunptr;	/* ptr to totext conversion function */
+} p80211meta_t;
+
+typedef struct grplistitem
+{
+	char		*name;
+	p80211meta_t	*itemlist;
+} grplistitem_t;
+
+typedef struct catlistitem
+{
+	char		*name;
+	grplistitem_t	*grplist;
+} catlistitem_t;
+
+/*================================================================*/
+/* Extern Declarations */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Function Declarations */
+
+/*----------------------------------------------------------------*/
+/* */
+UINT32 p80211_text2did(catlistitem_t *catlist, char *catname, char *grpname, char *itemname);
+UINT32 p80211_text2catdid(catlistitem_t *list, char *name );
+UINT32 p80211_text2grpdid(grplistitem_t *list, char *name );
+UINT32 p80211_text2itemdid(p80211meta_t *list, char *name );
+UINT32 p80211_isvalid_did( catlistitem_t *catlist, UINT32 did );
+UINT32 p80211_isvalid_catdid( catlistitem_t *catlist, UINT32 did );
+UINT32 p80211_isvalid_grpdid( catlistitem_t *catlist, UINT32 did );
+UINT32 p80211_isvalid_itemdid( catlistitem_t *catlist, UINT32 did );
+catlistitem_t *p80211_did2cat( catlistitem_t *catlist, UINT32 did );
+grplistitem_t *p80211_did2grp( catlistitem_t *catlist, UINT32 did );
+p80211meta_t *p80211_did2item( catlistitem_t *catlist, UINT32 did );
+UINT32 p80211item_maxdatalen( struct catlistitem *metalist, UINT32 did );
+UINT32 p80211_metaname2did(struct catlistitem *metalist, char *itemname);
+UINT32 p80211item_getoffset( struct catlistitem *metalist, UINT32 did );
+int p80211item_gettype(p80211meta_t *meta);
+
+#endif /* _P80211META_H */
diff --git a/drivers/staging/wlan-ng/p80211metadef.h b/drivers/staging/wlan-ng/p80211metadef.h
new file mode 100644
index 00000000000..2c7f435a97e
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211metadef.h
@@ -0,0 +1,2524 @@
+/* This file is GENERATED AUTOMATICALLY.  DO NOT EDIT OR MODIFY.
+* --------------------------------------------------------------------
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _P80211MKMETADEF_H
+#define _P80211MKMETADEF_H
+
+
+#define DIDmsg_cat_dot11req \
+			P80211DID_MKSECTION(1)
+#define DIDmsg_dot11req_mibget \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(1))
+#define DIDmsg_dot11req_mibget_mibattribute \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_mibget_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_mibset \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2))
+#define DIDmsg_dot11req_mibset_mibattribute \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_mibset_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_powermgmt \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3))
+#define DIDmsg_dot11req_powermgmt_powermgmtmode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_powermgmt_wakeup \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_powermgmt_receivedtims \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_powermgmt_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_scan \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4))
+#define DIDmsg_dot11req_scan_bsstype \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_scan_bssid \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_scan_ssid \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_scan_scantype \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_scan_probedelay \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_dot11req_scan_channellist \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_dot11req_scan_minchanneltime \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_dot11req_scan_maxchanneltime \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_dot11req_scan_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(9) | 0x00000000)
+#define DIDmsg_dot11req_scan_numbss \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(10) | 0x00000000)
+#define DIDmsg_dot11req_scan_append \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(11) | 0x00000000)
+#define DIDmsg_dot11req_scan_results \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5))
+#define DIDmsg_dot11req_scan_results_bssindex \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_signal \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_noise \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_bssid \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_ssid \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_bsstype \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_beaconperiod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_dtimperiod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(9) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_timestamp \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(10) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_localtime \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(11) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_fhdwelltime \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(12) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_fhhopset \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(13) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_fhhoppattern \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(14) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_fhhopindex \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(15) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_dschannel \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(16) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_cfpcount \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(17) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_cfpperiod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(18) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_cfpmaxduration \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(19) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_cfpdurremaining \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(20) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_ibssatimwindow \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(21) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_cfpollable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(22) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_cfpollreq \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(23) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_privacy \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(24) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(25) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(26) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(27) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(28) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(29) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(30) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate7 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(31) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_basicrate8 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(32) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(33) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(34) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(35) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(36) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(37) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(38) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate7 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(39) | 0x00000000)
+#define DIDmsg_dot11req_scan_results_supprate8 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(40) | 0x00000000)
+#define DIDmsg_dot11req_join \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6))
+#define DIDmsg_dot11req_join_bssid \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_join_joinfailuretimeout \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate7 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(9) | 0x00000000)
+#define DIDmsg_dot11req_join_basicrate8 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(10) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(11) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(12) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(13) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(14) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(15) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(16) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate7 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(17) | 0x00000000)
+#define DIDmsg_dot11req_join_operationalrate8 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(18) | 0x00000000)
+#define DIDmsg_dot11req_join_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(19) | 0x00000000)
+#define DIDmsg_dot11req_authenticate \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(7))
+#define DIDmsg_dot11req_authenticate_peerstaaddress \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_authenticate_authenticationtype \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_authenticate_authenticationfailuretimeout \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_authenticate_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_deauthenticate \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(8))
+#define DIDmsg_dot11req_deauthenticate_peerstaaddress \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_deauthenticate_reasoncode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_deauthenticate_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_associate \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9))
+#define DIDmsg_dot11req_associate_peerstaaddress \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_associate_associatefailuretimeout \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_associate_cfpollable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_associate_cfpollreq \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_associate_privacy \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_dot11req_associate_listeninterval \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_dot11req_associate_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_dot11req_reassociate \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10))
+#define DIDmsg_dot11req_reassociate_newapaddress \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_reassociate_reassociatefailuretimeout \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_reassociate_cfpollable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_reassociate_cfpollreq \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_reassociate_privacy \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_dot11req_reassociate_listeninterval \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_dot11req_reassociate_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_dot11req_disassociate \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(11))
+#define DIDmsg_dot11req_disassociate_peerstaaddress \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(11) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_disassociate_reasoncode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(11) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_disassociate_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(11) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_reset \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(12))
+#define DIDmsg_dot11req_reset_setdefaultmib \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(12) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_reset_macaddress \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(12) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_reset_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(12) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_start \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13))
+#define DIDmsg_dot11req_start_ssid \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11req_start_bsstype \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11req_start_beaconperiod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11req_start_dtimperiod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_dot11req_start_cfpperiod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_dot11req_start_cfpmaxduration \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_dot11req_start_fhdwelltime \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_dot11req_start_fhhopset \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_dot11req_start_fhhoppattern \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(9) | 0x00000000)
+#define DIDmsg_dot11req_start_dschannel \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(10) | 0x00000000)
+#define DIDmsg_dot11req_start_ibssatimwindow \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(11) | 0x00000000)
+#define DIDmsg_dot11req_start_probedelay \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(12) | 0x00000000)
+#define DIDmsg_dot11req_start_cfpollable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(13) | 0x00000000)
+#define DIDmsg_dot11req_start_cfpollreq \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(14) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(15) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(16) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(17) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(18) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(19) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(20) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate7 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(21) | 0x00000000)
+#define DIDmsg_dot11req_start_basicrate8 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(22) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(23) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(24) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(25) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(26) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(27) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(28) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate7 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(29) | 0x00000000)
+#define DIDmsg_dot11req_start_operationalrate8 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(30) | 0x00000000)
+#define DIDmsg_dot11req_start_resultcode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(31) | 0x00000000)
+#define DIDmsg_cat_dot11ind \
+			P80211DID_MKSECTION(2)
+#define DIDmsg_dot11ind_authenticate \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1))
+#define DIDmsg_dot11ind_authenticate_peerstaaddress \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11ind_authenticate_authenticationtype \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11ind_deauthenticate \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2))
+#define DIDmsg_dot11ind_deauthenticate_peerstaaddress \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11ind_deauthenticate_reasoncode \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11ind_associate \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3))
+#define DIDmsg_dot11ind_associate_peerstaaddress \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11ind_associate_aid \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11ind_reassociate \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(4))
+#define DIDmsg_dot11ind_reassociate_peerstaaddress \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11ind_reassociate_aid \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_dot11ind_reassociate_oldapaddress \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_dot11ind_disassociate \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(5))
+#define DIDmsg_dot11ind_disassociate_peerstaaddress \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_dot11ind_disassociate_reasoncode \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_cat_lnxreq \
+			P80211DID_MKSECTION(3)
+#define DIDmsg_lnxreq_ifstate \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1))
+#define DIDmsg_lnxreq_ifstate_ifstate \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_lnxreq_ifstate_resultcode \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2))
+#define DIDmsg_lnxreq_wlansniff_enable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff_channel \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff_prismheader \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff_wlanheader \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff_keepwepflags \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff_stripfcs \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff_packet_trunc \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_lnxreq_wlansniff_resultcode \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_lnxreq_hostwep \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3))
+#define DIDmsg_lnxreq_hostwep_resultcode \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_lnxreq_hostwep_decrypt \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_lnxreq_hostwep_encrypt \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_lnxreq_commsquality \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4))
+#define DIDmsg_lnxreq_commsquality_resultcode \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_lnxreq_commsquality_dbm \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_lnxreq_commsquality_link \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_lnxreq_commsquality_level \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_lnxreq_commsquality_noise \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_lnxreq_autojoin \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5))
+#define DIDmsg_lnxreq_autojoin_ssid \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_lnxreq_autojoin_authtype \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_lnxreq_autojoin_resultcode \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_cat_lnxind \
+			P80211DID_MKSECTION(4)
+#define DIDmsg_lnxind_wlansniffrm \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1))
+#define DIDmsg_lnxind_wlansniffrm_hosttime \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_mactime \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_channel \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_rssi \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_sq \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_signal \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_noise \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_rate \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_istx \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(9) | 0x00000000)
+#define DIDmsg_lnxind_wlansniffrm_frmlen \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(10) | 0x00000000)
+#define DIDmsg_lnxind_roam \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(2))
+#define DIDmsg_lnxind_roam_reason \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_cat_p2req \
+			P80211DID_MKSECTION(5)
+#define DIDmsg_p2req_join \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1))
+#define DIDmsg_p2req_join_bssid \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate4 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate5 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate6 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate7 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_p2req_join_basicrate8 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(9) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(10) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(11) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(12) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate4 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(13) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate5 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(14) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate6 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(15) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate7 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(16) | 0x00000000)
+#define DIDmsg_p2req_join_operationalrate8 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(17) | 0x00000000)
+#define DIDmsg_p2req_join_ssid \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(18) | 0x00000000)
+#define DIDmsg_p2req_join_channel \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(19) | 0x00000000)
+#define DIDmsg_p2req_join_authtype \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(20) | 0x00000000)
+#define DIDmsg_p2req_join_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(21) | 0x00000000)
+#define DIDmsg_p2req_readpda \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2))
+#define DIDmsg_p2req_readpda_pda \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_readpda_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_readcis \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3))
+#define DIDmsg_p2req_readcis_cis \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_readcis_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_auxport_state \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(4))
+#define DIDmsg_p2req_auxport_state_enable \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_auxport_state_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_auxport_read \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5))
+#define DIDmsg_p2req_auxport_read_addr \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_auxport_read_len \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_auxport_read_data \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_auxport_read_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_auxport_write \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6))
+#define DIDmsg_p2req_auxport_write_addr \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_auxport_write_len \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_auxport_write_data \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_auxport_write_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_low_level \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7))
+#define DIDmsg_p2req_low_level_command \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_low_level_param0 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_low_level_param1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_low_level_param2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_low_level_resp0 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_p2req_low_level_resp1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_p2req_low_level_resp2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_p2req_low_level_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(8) | 0x00000000)
+#define DIDmsg_p2req_test_command \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8))
+#define DIDmsg_p2req_test_command_testcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_test_command_testparam \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_test_command_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_test_command_status \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_test_command_resp0 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_p2req_test_command_resp1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_p2req_test_command_resp2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(7) | 0x00000000)
+#define DIDmsg_p2req_mmi_read \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(9))
+#define DIDmsg_p2req_mmi_read_addr \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_mmi_read_value \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_mmi_read_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_mmi_write \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(10))
+#define DIDmsg_p2req_mmi_write_addr \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_mmi_write_data \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_mmi_write_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_ramdl_state \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(11))
+#define DIDmsg_p2req_ramdl_state_enable \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(11) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_ramdl_state_exeaddr \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(11) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_ramdl_state_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(11) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_ramdl_write \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(12))
+#define DIDmsg_p2req_ramdl_write_addr \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(12) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_ramdl_write_len \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(12) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_ramdl_write_data \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(12) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_ramdl_write_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(12) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_flashdl_state \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(13))
+#define DIDmsg_p2req_flashdl_state_enable \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_flashdl_state_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(13) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_flashdl_write \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(14))
+#define DIDmsg_p2req_flashdl_write_addr \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(14) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_flashdl_write_len \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(14) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_flashdl_write_data \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(14) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_flashdl_write_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(14) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_mm_state \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(15))
+#define DIDmsg_p2req_mm_state_enable \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(15) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_mm_state_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(15) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_dump_state \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(16))
+#define DIDmsg_p2req_dump_state_level \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(16) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_dump_state_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(16) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_channel_info \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(17))
+#define DIDmsg_p2req_channel_info_channellist \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(17) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_channel_info_channeldwelltime \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(17) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_channel_info_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(17) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_channel_info_numchinfo \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(17) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_channel_info_results \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(18))
+#define DIDmsg_p2req_channel_info_results_channel \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(18) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmsg_p2req_channel_info_results_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(18) | \
+			P80211DID_MKITEM(2) | 0x00000000)
+#define DIDmsg_p2req_channel_info_results_avgnoiselevel \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(18) | \
+			P80211DID_MKITEM(3) | 0x00000000)
+#define DIDmsg_p2req_channel_info_results_peaknoiselevel \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(18) | \
+			P80211DID_MKITEM(4) | 0x00000000)
+#define DIDmsg_p2req_channel_info_results_bssactive \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(18) | \
+			P80211DID_MKITEM(5) | 0x00000000)
+#define DIDmsg_p2req_channel_info_results_pcfactive \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(18) | \
+			P80211DID_MKITEM(6) | 0x00000000)
+#define DIDmsg_p2req_enable \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(19))
+#define DIDmsg_p2req_enable_resultcode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(19) | \
+			P80211DID_MKITEM(1) | 0x00000000)
+#define DIDmib_cat_dot11smt \
+			P80211DID_MKSECTION(1)
+#define DIDmib_dot11smt_p80211Table \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(1))
+#define DIDmib_dot11smt_p80211Table_p80211_ifstate \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2))
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11StationID \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11MediumOccupancyLimit \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11CFPollable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11CFPPeriod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(4) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11CFPMaxDuration \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(5) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticationResponseTimeOut \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(6) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11PrivacyOptionImplemented \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(7) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11PowerManagementMode \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(8) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredSSID \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(9) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredBSSType \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(10) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11OperationalRateSet \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(11) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11BeaconPeriod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(12) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11DTIMPeriod \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(13) | 0x18000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11AssociationResponseTimeOut \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(14) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11DisassociateReason \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(15) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11DisassociateStation \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(16) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11DeauthenticateReason \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(17) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11DeauthenticateStation \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(18) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticateFailStatus \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(19) | 0x10000000)
+#define DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticateFailStation \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(20) | 0x10000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3))
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x14000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x1c000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(3) | 0x14000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(4) | 0x1c000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(5) | 0x14000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(6) | 0x1c000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(7) | 0x14000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable4 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(8) | 0x1c000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(9) | 0x14000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable5 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(10) | 0x1c000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(11) | 0x14000000)
+#define DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable6 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(12) | 0x1c000000)
+#define DIDmib_dot11smt_dot11WEPDefaultKeysTable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4))
+#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(1) | 0x0c000000)
+#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(2) | 0x0c000000)
+#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(3) | 0x0c000000)
+#define DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3 \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(4) | 0x0c000000)
+#define DIDmib_dot11smt_dot11WEPKeyMappingsTable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5))
+#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingIndex \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(1) | 0x1c000000)
+#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingAddress \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(2) | 0x1c000000)
+#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingWEPOn \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(3) | 0x1c000000)
+#define DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingValue \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(4) | 0x1c000000)
+#define DIDmib_dot11smt_dot11PrivacyTable \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6))
+#define DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPKeyMappingLength \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(3) | 0x18000000)
+#define DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(4) | 0x18000000)
+#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPICVErrorCount \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_dot11smt_dot11PrivacyTable_dot11WEPExcludedCount \
+			(P80211DID_MKSECTION(1) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_cat_dot11mac \
+			P80211DID_MKSECTION(2)
+#define DIDmib_dot11mac_dot11OperationTable \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1))
+#define DIDmib_dot11mac_dot11OperationTable_dot11MACAddress \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(5) | 0x18000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11MaxReceiveLifetime \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(7) | 0x10000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11ManufacturerID \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(8) | 0x10000000)
+#define DIDmib_dot11mac_dot11OperationTable_dot11ProductID \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(9) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2))
+#define DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFragmentCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11MulticastTransmittedFrameCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11FailedCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11RetryCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11MultipleRetryCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11FrameDuplicateCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11RTSSuccessCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(7) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11RTSFailureCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(8) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11ACKFailureCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(9) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11ReceivedFragmentCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(10) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11MulticastReceivedFrameCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(11) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11FCSErrorCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(12) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFrameCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(13) | 0x10000000)
+#define DIDmib_dot11mac_dot11CountersTable_dot11WEPUndecryptableCount \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(14) | 0x10000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3))
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address1 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address2 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address3 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(3) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address4 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(4) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address5 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(5) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address6 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(6) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address7 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(7) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address8 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(8) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address9 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(9) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address10 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(10) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address11 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(11) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address12 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(12) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address13 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(13) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address14 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(14) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address15 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(15) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address16 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(16) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address17 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(17) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address18 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(18) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address19 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(19) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address20 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(20) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address21 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(21) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address22 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(22) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address23 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(23) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address24 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(24) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address25 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(25) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address26 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(26) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address27 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(27) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address28 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(28) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address29 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(29) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address30 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(30) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address31 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(31) | 0x1c000000)
+#define DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address32 \
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(32) | 0x1c000000)
+#define DIDmib_cat_dot11phy \
+			P80211DID_MKSECTION(3)
+#define DIDmib_dot11phy_dot11PhyOperationTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1))
+#define DIDmib_dot11phy_dot11PhyOperationTable_dot11PHYType \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyOperationTable_dot11CurrentRegDomain \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyOperationTable_dot11TempType \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityPresent \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityEnabled \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyOperationTable_dot11ShortPreambleEnabled \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyAntennaTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2))
+#define DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentTxAntenna \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyAntennaTable_dot11DiversitySupport \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentRxAntenna \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(3) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3))
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11NumberSupportedPowerLevels \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel1 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel2 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel3 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel4 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel5 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel6 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(7) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel7 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(8) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8 \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(9) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(10) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyFHSSTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4))
+#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11HopTime \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentChannelNumber \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11MaxDwellTime \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentDwellTime \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(4) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentSet \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(5) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentPattern \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(6) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentIndex \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(7) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyDSSSTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5))
+#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11CCAModeSupported \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(2) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentCCAMode \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11EDThreshold \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(4) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11ShortPreambleOptionImplemented \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyDSSSTable_dot11PBCCOptionImplemented \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_dot11phy_dot11PhyIRTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(6))
+#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMax \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMax \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMin \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(3) | 0x18000000)
+#define DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMin \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(4) | 0x18000000)
+#define DIDmib_dot11phy_dot11RegDomainsSupportedTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(7))
+#define DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportIndex \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(1) | 0x1c000000)
+#define DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportValue \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(2) | 0x14000000)
+#define DIDmib_dot11phy_dot11AntennasListTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(8))
+#define DIDmib_dot11phy_dot11AntennasListTable_dot11AntennaListIndex \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(1) | 0x1c000000)
+#define DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedTxAntenna \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(2) | 0x1c000000)
+#define DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedRxAntenna \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(3) | 0x1c000000)
+#define DIDmib_dot11phy_dot11AntennasListTable_dot11DiversitySelectionRx \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(8) | \
+			P80211DID_MKITEM(4) | 0x1c000000)
+#define DIDmib_dot11phy_dot11SupportedDataRatesTxTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(9))
+#define DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxIndex \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(1) | 0x1c000000)
+#define DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxValue \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(9) | \
+			P80211DID_MKITEM(2) | 0x14000000)
+#define DIDmib_dot11phy_dot11SupportedDataRatesRxTable \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(10))
+#define DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxIndex \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(1) | 0x1c000000)
+#define DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxValue \
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(10) | \
+			P80211DID_MKITEM(2) | 0x14000000)
+#define DIDmib_cat_lnx \
+			P80211DID_MKSECTION(4)
+#define DIDmib_lnx_lnxConfigTable \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1))
+#define DIDmib_lnx_lnxConfigTable_lnxRSNAIE \
+			(P80211DID_MKSECTION(4) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_cat_p2 \
+			P80211DID_MKSECTION(5)
+#define DIDmib_p2_p2Table \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1))
+#define DIDmib_p2_p2Table_p2MMTx \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_p2_p2Table_p2EarlyBeacon \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_p2_p2Table_p2ReceivedFrameStatistics \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_p2_p2Table_p2CommunicationTallies \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_p2_p2Table_p2Authenticated \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_p2_p2Table_p2Associated \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_p2_p2Table_p2PowerSaveUserCount \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(7) | 0x10000000)
+#define DIDmib_p2_p2Table_p2Comment \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(8) | 0x18000000)
+#define DIDmib_p2_p2Table_p2AccessMode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(9) | 0x18000000)
+#define DIDmib_p2_p2Table_p2AccessAllow \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(10) | 0x18000000)
+#define DIDmib_p2_p2Table_p2AccessDeny \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(11) | 0x18000000)
+#define DIDmib_p2_p2Table_p2ChannelInfoResults \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(12) | 0x10000000)
+#define DIDmib_p2_p2Static \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2))
+#define DIDmib_p2_p2Static_p2CnfPortType \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfOwnMACAddress \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfDesiredSSID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(3) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfOwnChannel \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(4) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfOwnSSID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(5) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfOwnATIMWindow \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(6) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfSystemScale \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(7) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfMaxDataLength \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(8) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWDSAddress \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(9) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfPMEnabled \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(10) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfPMEPS \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(11) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfMulticastReceive \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(12) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfMaxSleepDuration \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(13) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfPMHoldoverDuration \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(14) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfOwnName \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(15) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfOwnDTIMPeriod \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(16) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWDSAddress1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(17) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWDSAddress2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(18) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWDSAddress3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(19) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWDSAddress4 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(20) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWDSAddress5 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(21) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWDSAddress6 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(22) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfMulticastPMBuffering \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(23) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWEPDefaultKeyID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(24) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey0 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(25) | 0x08000000)
+#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(26) | 0x08000000)
+#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(27) | 0x08000000)
+#define DIDmib_p2_p2Static_p2CnfWEPDefaultKey3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(28) | 0x08000000)
+#define DIDmib_p2_p2Static_p2CnfWEPFlags \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(29) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfAuthentication \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(30) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfMaxAssociatedStations \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(31) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfTxControl \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(32) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfRoamingMode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(33) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfHostAuthentication \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(34) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfRcvCrcError \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(35) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfAltRetryCount \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(36) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfBeaconInterval \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(37) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfMediumOccupancyLimit \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(38) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfCFPPeriod \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(39) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfCFPMaxDuration \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(40) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfCFPFlags \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(41) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfSTAPCFInfo \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(42) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfPriorityQUsage \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(43) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfTIMCtrl \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(44) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfThirty2Tally \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(45) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfEnhSecurity \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(46) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfShortPreamble \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(47) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfExcludeLongPreamble \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(48) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfAuthenticationRspTO \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(49) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfBasicRates \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(50) | 0x18000000)
+#define DIDmib_p2_p2Static_p2CnfSupportedRates \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(2) | \
+			P80211DID_MKITEM(51) | 0x18000000)
+#define DIDmib_p2_p2Dynamic \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3))
+#define DIDmib_p2_p2Dynamic_p2CreateIBSS \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(2) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(3) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(4) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2PromiscuousMode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(5) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold0 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(6) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(7) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(8) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(9) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold4 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(10) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold5 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(11) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2FragmentationThreshold6 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(12) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold0 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(13) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(14) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(15) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(16) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold4 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(17) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold5 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(18) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2RTSThreshold6 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(19) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl0 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(20) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(21) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(22) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(23) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl4 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(24) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl5 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(25) | 0x18000000)
+#define DIDmib_p2_p2Dynamic_p2TxRateControl6 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(26) | 0x18000000)
+#define DIDmib_p2_p2Behavior \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(4))
+#define DIDmib_p2_p2Behavior_p2TickTime \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(4) | \
+			P80211DID_MKITEM(1) | 0x18000000)
+#define DIDmib_p2_p2NIC \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5))
+#define DIDmib_p2_p2NIC_p2MaxLoadTime \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2DLBufferPage \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(2) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2DLBufferOffset \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2DLBufferLength \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2PRIIdentity \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2PRISupRange \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2CFIActRanges \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(7) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2NICSerialNumber \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(8) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2NICIdentity \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(9) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2MFISupRange \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(10) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2CFISupRange \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(11) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2ChannelList \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(12) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2RegulatoryDomains \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(13) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2TempType \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(14) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2STAIdentity \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(15) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2STASupRange \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(16) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2MFIActRanges \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(17) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2STACFIActRanges \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(18) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2BuildSequence \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(19) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2PrimaryFWID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(20) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2SecondaryFWID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(21) | 0x10000000)
+#define DIDmib_p2_p2NIC_p2TertiaryFWID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(5) | \
+			P80211DID_MKITEM(22) | 0x10000000)
+#define DIDmib_p2_p2MAC \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6))
+#define DIDmib_p2_p2MAC_p2PortStatus \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentSSID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(2) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentBSSID \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CommsQuality \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CommsQualityCQ \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CommsQualityASL \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(6) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CommsQualityANL \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(7) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2dbmCommsQuality \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(8) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2dbmCommsQualityCQ \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(9) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2dbmCommsQualityASL \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(10) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2dbmCommsQualityANL \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(11) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentTxRate \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(12) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentBeaconInterval \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(13) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2StaCurrentScaleThresholds \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(14) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2APCurrentScaleThresholds \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(15) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2ProtocolRspTime \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(16) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2ShortRetryLimit \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(17) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2LongRetryLimit \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(18) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2MaxTransmitLifetime \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(19) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2MaxReceiveLifetime \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(20) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CFPollable \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(21) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2AuthenticationAlgorithms \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(22) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2PrivacyOptionImplemented \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(23) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentTxRate1 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(24) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentTxRate2 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(25) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentTxRate3 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(26) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentTxRate4 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(27) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentTxRate5 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(28) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2CurrentTxRate6 \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(29) | 0x10000000)
+#define DIDmib_p2_p2MAC_p2OwnMACAddress \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(6) | \
+			P80211DID_MKITEM(30) | 0x10000000)
+#define DIDmib_p2_p2Modem \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7))
+#define DIDmib_p2_p2Modem_p2PHYType \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(1) | 0x10000000)
+#define DIDmib_p2_p2Modem_p2CurrentChannel \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(2) | 0x10000000)
+#define DIDmib_p2_p2Modem_p2CurrentPowerState \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(3) | 0x10000000)
+#define DIDmib_p2_p2Modem_p2CCAMode \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(4) | 0x10000000)
+#define DIDmib_p2_p2Modem_p2SupportedDataRates \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(5) | 0x10000000)
+#define DIDmib_p2_p2Modem_p2TxPowerMax \
+			(P80211DID_MKSECTION(5) | \
+			P80211DID_MKGROUP(7) | \
+			P80211DID_MKITEM(6) | 0x18000000)
+#endif
diff --git a/drivers/staging/wlan-ng/p80211metamib.h b/drivers/staging/wlan-ng/p80211metamib.h
new file mode 100644
index 00000000000..19867fd314e
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211metamib.h
@@ -0,0 +1,105 @@
+/* p80211metamib.h
+*
+* Macros, const, types, and funcs for p80211 mib metadata
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares some of the constants and types used in various
+* parts of the linux-wlan system.
+*
+* Notes:
+*   - Constant values are always in HOST byte order.
+*
+* All functions and statics declared here are implemented in p80211types.c
+*   --------------------------------------------------------------------
+*/
+
+#ifndef _P80211METAMIB_H
+#define _P80211METAMIB_H
+
+/*================================================================*/
+/* System Includes */
+
+/*================================================================*/
+/* Project Includes */
+
+#ifndef _WLAN_COMPAT_H
+#include "wlan_compat.h"
+#endif
+
+/*================================================================*/
+/* Constants */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Macros */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Types */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Extern Declarations */
+
+/*----------------------------------------------------------------*/
+/* The following is the external declaration for the mib */
+/* category metadata list */
+
+extern catlistitem_t mib_catlist[];
+extern UINT32 mib_catlist_size;
+
+
+/*================================================================*/
+/* Function Declarations */
+
+/*----------------------------------------------------------------*/
+/* */
+
+#endif /* _P80211METAMIB_H */
diff --git a/drivers/staging/wlan-ng/p80211metamsg.h b/drivers/staging/wlan-ng/p80211metamsg.h
new file mode 100644
index 00000000000..4d6dfcc79b8
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211metamsg.h
@@ -0,0 +1,105 @@
+/* p80211metamsg.h
+*
+* Macros, const, types, and funcs for p80211 msg metadata
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares some of the constants and types used in various
+* parts of the linux-wlan system.
+*
+* Notes:
+*   - Constant values are always in HOST byte order.
+*
+* All functions and statics declared here are implemented in p80211types.c
+*   --------------------------------------------------------------------
+*/
+
+#ifndef _P80211METAMSG_H
+#define _P80211METAMSG_H
+
+/*================================================================*/
+/* System Includes */
+
+/*================================================================*/
+/* Project Includes */
+
+#ifndef _WLAN_COMPAT_H
+#include "wlan_compat.h"
+#endif
+
+/*================================================================*/
+/* Constants */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Macros */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Types */
+
+/*----------------------------------------------------------------*/
+/* */
+
+/*================================================================*/
+/* Extern Declarations */
+
+/*----------------------------------------------------------------*/
+/* The following is the external declaration for the message */
+/* category metadata list */
+
+extern catlistitem_t msg_catlist[];
+extern UINT32 msg_catlist_size;
+
+
+/*================================================================*/
+/* Function Declarations */
+
+/*----------------------------------------------------------------*/
+/* */
+
+#endif /* _P80211METAMSG_H */
diff --git a/drivers/staging/wlan-ng/p80211metastruct.h b/drivers/staging/wlan-ng/p80211metastruct.h
new file mode 100644
index 00000000000..715f4b2adc6
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211metastruct.h
@@ -0,0 +1,644 @@
+/* This file is GENERATED AUTOMATICALLY.  DO NOT EDIT OR MODIFY.
+* --------------------------------------------------------------------
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _P80211MKMETASTRUCT_H
+#define _P80211MKMETASTRUCT_H
+
+
+typedef struct p80211msg_dot11req_mibget
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_unk392_t	mibattribute	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_mibget_t;
+
+typedef struct p80211msg_dot11req_mibset
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_unk392_t	mibattribute	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_mibset_t;
+
+typedef struct p80211msg_dot11req_powermgmt
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	powermgmtmode	;
+	p80211item_uint32_t	wakeup	;
+	p80211item_uint32_t	receivedtims	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_powermgmt_t;
+
+typedef struct p80211msg_dot11req_scan
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	bsstype	;
+	p80211item_pstr6_t	bssid	;
+	UINT8	pad_0C[1]	;
+	p80211item_pstr32_t	ssid	;
+	UINT8	pad_1D[3]	;
+	p80211item_uint32_t	scantype	;
+	p80211item_uint32_t	probedelay	;
+	p80211item_pstr14_t	channellist	;
+	UINT8	pad_2C[1]	;
+	p80211item_uint32_t	minchanneltime	;
+	p80211item_uint32_t	maxchanneltime	;
+	p80211item_uint32_t	resultcode	;
+	p80211item_uint32_t	numbss	;
+	p80211item_uint32_t	append	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_scan_t;
+
+typedef struct p80211msg_dot11req_scan_results
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	bssindex	;
+	p80211item_uint32_t	resultcode	;
+	p80211item_uint32_t	signal	;
+	p80211item_uint32_t	noise	;
+	p80211item_pstr6_t	bssid	;
+	UINT8	pad_3C[1]	;
+	p80211item_pstr32_t	ssid	;
+	UINT8	pad_4D[3]	;
+	p80211item_uint32_t	bsstype	;
+	p80211item_uint32_t	beaconperiod	;
+	p80211item_uint32_t	dtimperiod	;
+	p80211item_uint32_t	timestamp	;
+	p80211item_uint32_t	localtime	;
+	p80211item_uint32_t	fhdwelltime	;
+	p80211item_uint32_t	fhhopset	;
+	p80211item_uint32_t	fhhoppattern	;
+	p80211item_uint32_t	fhhopindex	;
+	p80211item_uint32_t	dschannel	;
+	p80211item_uint32_t	cfpcount	;
+	p80211item_uint32_t	cfpperiod	;
+	p80211item_uint32_t	cfpmaxduration	;
+	p80211item_uint32_t	cfpdurremaining	;
+	p80211item_uint32_t	ibssatimwindow	;
+	p80211item_uint32_t	cfpollable	;
+	p80211item_uint32_t	cfpollreq	;
+	p80211item_uint32_t	privacy	;
+	p80211item_uint32_t	basicrate1	;
+	p80211item_uint32_t	basicrate2	;
+	p80211item_uint32_t	basicrate3	;
+	p80211item_uint32_t	basicrate4	;
+	p80211item_uint32_t	basicrate5	;
+	p80211item_uint32_t	basicrate6	;
+	p80211item_uint32_t	basicrate7	;
+	p80211item_uint32_t	basicrate8	;
+	p80211item_uint32_t	supprate1	;
+	p80211item_uint32_t	supprate2	;
+	p80211item_uint32_t	supprate3	;
+	p80211item_uint32_t	supprate4	;
+	p80211item_uint32_t	supprate5	;
+	p80211item_uint32_t	supprate6	;
+	p80211item_uint32_t	supprate7	;
+	p80211item_uint32_t	supprate8	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_scan_results_t;
+
+typedef struct p80211msg_dot11req_join
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	bssid	;
+	UINT8	pad_5C[1]	;
+	p80211item_uint32_t	joinfailuretimeout	;
+	p80211item_uint32_t	basicrate1	;
+	p80211item_uint32_t	basicrate2	;
+	p80211item_uint32_t	basicrate3	;
+	p80211item_uint32_t	basicrate4	;
+	p80211item_uint32_t	basicrate5	;
+	p80211item_uint32_t	basicrate6	;
+	p80211item_uint32_t	basicrate7	;
+	p80211item_uint32_t	basicrate8	;
+	p80211item_uint32_t	operationalrate1	;
+	p80211item_uint32_t	operationalrate2	;
+	p80211item_uint32_t	operationalrate3	;
+	p80211item_uint32_t	operationalrate4	;
+	p80211item_uint32_t	operationalrate5	;
+	p80211item_uint32_t	operationalrate6	;
+	p80211item_uint32_t	operationalrate7	;
+	p80211item_uint32_t	operationalrate8	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_join_t;
+
+typedef struct p80211msg_dot11req_authenticate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_6C[1]	;
+	p80211item_uint32_t	authenticationtype	;
+	p80211item_uint32_t	authenticationfailuretimeout	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_authenticate_t;
+
+typedef struct p80211msg_dot11req_deauthenticate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_7C[1]	;
+	p80211item_uint32_t	reasoncode	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_deauthenticate_t;
+
+typedef struct p80211msg_dot11req_associate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_8C[1]	;
+	p80211item_uint32_t	associatefailuretimeout	;
+	p80211item_uint32_t	cfpollable	;
+	p80211item_uint32_t	cfpollreq	;
+	p80211item_uint32_t	privacy	;
+	p80211item_uint32_t	listeninterval	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_associate_t;
+
+typedef struct p80211msg_dot11req_reassociate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	newapaddress	;
+	UINT8	pad_9C[1]	;
+	p80211item_uint32_t	reassociatefailuretimeout	;
+	p80211item_uint32_t	cfpollable	;
+	p80211item_uint32_t	cfpollreq	;
+	p80211item_uint32_t	privacy	;
+	p80211item_uint32_t	listeninterval	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_reassociate_t;
+
+typedef struct p80211msg_dot11req_disassociate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_10C[1]	;
+	p80211item_uint32_t	reasoncode	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_disassociate_t;
+
+typedef struct p80211msg_dot11req_reset
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	setdefaultmib	;
+	p80211item_pstr6_t	macaddress	;
+	UINT8	pad_11C[1]	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_reset_t;
+
+typedef struct p80211msg_dot11req_start
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr32_t	ssid	;
+	UINT8	pad_12D[3]	;
+	p80211item_uint32_t	bsstype	;
+	p80211item_uint32_t	beaconperiod	;
+	p80211item_uint32_t	dtimperiod	;
+	p80211item_uint32_t	cfpperiod	;
+	p80211item_uint32_t	cfpmaxduration	;
+	p80211item_uint32_t	fhdwelltime	;
+	p80211item_uint32_t	fhhopset	;
+	p80211item_uint32_t	fhhoppattern	;
+	p80211item_uint32_t	dschannel	;
+	p80211item_uint32_t	ibssatimwindow	;
+	p80211item_uint32_t	probedelay	;
+	p80211item_uint32_t	cfpollable	;
+	p80211item_uint32_t	cfpollreq	;
+	p80211item_uint32_t	basicrate1	;
+	p80211item_uint32_t	basicrate2	;
+	p80211item_uint32_t	basicrate3	;
+	p80211item_uint32_t	basicrate4	;
+	p80211item_uint32_t	basicrate5	;
+	p80211item_uint32_t	basicrate6	;
+	p80211item_uint32_t	basicrate7	;
+	p80211item_uint32_t	basicrate8	;
+	p80211item_uint32_t	operationalrate1	;
+	p80211item_uint32_t	operationalrate2	;
+	p80211item_uint32_t	operationalrate3	;
+	p80211item_uint32_t	operationalrate4	;
+	p80211item_uint32_t	operationalrate5	;
+	p80211item_uint32_t	operationalrate6	;
+	p80211item_uint32_t	operationalrate7	;
+	p80211item_uint32_t	operationalrate8	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11req_start_t;
+
+typedef struct p80211msg_dot11ind_authenticate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_13C[1]	;
+	p80211item_uint32_t	authenticationtype	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_authenticate_t;
+
+typedef struct p80211msg_dot11ind_deauthenticate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_14C[1]	;
+	p80211item_uint32_t	reasoncode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_deauthenticate_t;
+
+typedef struct p80211msg_dot11ind_associate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_15C[1]	;
+	p80211item_uint32_t	aid	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_associate_t;
+
+typedef struct p80211msg_dot11ind_reassociate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_16C[1]	;
+	p80211item_uint32_t	aid	;
+	p80211item_pstr6_t	oldapaddress	;
+	UINT8	pad_17C[1]	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_reassociate_t;
+
+typedef struct p80211msg_dot11ind_disassociate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	peerstaaddress	;
+	UINT8	pad_18C[1]	;
+	p80211item_uint32_t	reasoncode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_dot11ind_disassociate_t;
+
+typedef struct p80211msg_lnxreq_ifstate
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	ifstate	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_ifstate_t;
+
+typedef struct p80211msg_lnxreq_wlansniff
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	enable	;
+	p80211item_uint32_t	channel	;
+	p80211item_uint32_t	prismheader	;
+	p80211item_uint32_t	wlanheader	;
+	p80211item_uint32_t	keepwepflags	;
+	p80211item_uint32_t	stripfcs	;
+	p80211item_uint32_t	packet_trunc	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_wlansniff_t;
+
+typedef struct p80211msg_lnxreq_hostwep
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	resultcode	;
+	p80211item_uint32_t	decrypt	;
+	p80211item_uint32_t	encrypt	;
+} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_hostwep_t;
+
+typedef struct p80211msg_lnxreq_commsquality
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	resultcode	;
+	p80211item_uint32_t	dbm	;
+	p80211item_uint32_t	link	;
+	p80211item_uint32_t	level	;
+	p80211item_uint32_t	noise	;
+} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_commsquality_t;
+
+typedef struct p80211msg_lnxreq_autojoin
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr32_t	ssid	;
+	UINT8	pad_19D[3]	;
+	p80211item_uint32_t	authtype	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_lnxreq_autojoin_t;
+
+typedef struct p80211msg_lnxind_wlansniffrm
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	hosttime	;
+	p80211item_uint32_t	mactime	;
+	p80211item_uint32_t	channel	;
+	p80211item_uint32_t	rssi	;
+	p80211item_uint32_t	sq	;
+	p80211item_uint32_t	signal	;
+	p80211item_uint32_t	noise	;
+	p80211item_uint32_t	rate	;
+	p80211item_uint32_t	istx	;
+	p80211item_uint32_t	frmlen	;
+} __WLAN_ATTRIB_PACK__ p80211msg_lnxind_wlansniffrm_t;
+
+typedef struct p80211msg_lnxind_roam
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	reason	;
+} __WLAN_ATTRIB_PACK__ p80211msg_lnxind_roam_t;
+
+typedef struct p80211msg_p2req_join
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_pstr6_t	bssid	;
+	UINT8	pad_20C[1]	;
+	p80211item_uint32_t	basicrate1	;
+	p80211item_uint32_t	basicrate2	;
+	p80211item_uint32_t	basicrate3	;
+	p80211item_uint32_t	basicrate4	;
+	p80211item_uint32_t	basicrate5	;
+	p80211item_uint32_t	basicrate6	;
+	p80211item_uint32_t	basicrate7	;
+	p80211item_uint32_t	basicrate8	;
+	p80211item_uint32_t	operationalrate1	;
+	p80211item_uint32_t	operationalrate2	;
+	p80211item_uint32_t	operationalrate3	;
+	p80211item_uint32_t	operationalrate4	;
+	p80211item_uint32_t	operationalrate5	;
+	p80211item_uint32_t	operationalrate6	;
+	p80211item_uint32_t	operationalrate7	;
+	p80211item_uint32_t	operationalrate8	;
+	p80211item_pstr32_t	ssid	;
+	UINT8	pad_21D[3]	;
+	p80211item_uint32_t	channel	;
+	p80211item_uint32_t	authtype	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_join_t;
+
+typedef struct p80211msg_p2req_readpda
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_unk1024_t	pda	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_readpda_t;
+
+typedef struct p80211msg_p2req_readcis
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_unk1024_t	cis	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_readcis_t;
+
+typedef struct p80211msg_p2req_auxport_state
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	enable	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_auxport_state_t;
+
+typedef struct p80211msg_p2req_auxport_read
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	addr	;
+	p80211item_uint32_t	len	;
+	p80211item_unk1024_t	data	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_auxport_read_t;
+
+typedef struct p80211msg_p2req_auxport_write
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	addr	;
+	p80211item_uint32_t	len	;
+	p80211item_unk1024_t	data	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_auxport_write_t;
+
+typedef struct p80211msg_p2req_low_level
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	command	;
+	p80211item_uint32_t	param0	;
+	p80211item_uint32_t	param1	;
+	p80211item_uint32_t	param2	;
+	p80211item_uint32_t	resp0	;
+	p80211item_uint32_t	resp1	;
+	p80211item_uint32_t	resp2	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_low_level_t;
+
+typedef struct p80211msg_p2req_test_command
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	testcode	;
+	p80211item_uint32_t	testparam	;
+	p80211item_uint32_t	resultcode	;
+	p80211item_uint32_t	status	;
+	p80211item_uint32_t	resp0	;
+	p80211item_uint32_t	resp1	;
+	p80211item_uint32_t	resp2	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_test_command_t;
+
+typedef struct p80211msg_p2req_mmi_read
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	addr	;
+	p80211item_uint32_t	value	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_mmi_read_t;
+
+typedef struct p80211msg_p2req_mmi_write
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	addr	;
+	p80211item_uint32_t	data	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_mmi_write_t;
+
+typedef struct p80211msg_p2req_ramdl_state
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	enable	;
+	p80211item_uint32_t	exeaddr	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_ramdl_state_t;
+
+typedef struct p80211msg_p2req_ramdl_write
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	addr	;
+	p80211item_uint32_t	len	;
+	p80211item_unk4096_t	data	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_ramdl_write_t;
+
+typedef struct p80211msg_p2req_flashdl_state
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	enable	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_flashdl_state_t;
+
+typedef struct p80211msg_p2req_flashdl_write
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	addr	;
+	p80211item_uint32_t	len	;
+	p80211item_unk4096_t	data	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_flashdl_write_t;
+
+typedef struct p80211msg_p2req_mm_state
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	enable	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_mm_state_t;
+
+typedef struct p80211msg_p2req_dump_state
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	level	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_dump_state_t;
+
+typedef struct p80211msg_p2req_channel_info
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	channellist	;
+	p80211item_uint32_t	channeldwelltime	;
+	p80211item_uint32_t	resultcode	;
+	p80211item_uint32_t	numchinfo	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_channel_info_t;
+
+typedef struct p80211msg_p2req_channel_info_results
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	channel	;
+	p80211item_uint32_t	resultcode	;
+	p80211item_uint32_t	avgnoiselevel	;
+	p80211item_uint32_t	peaknoiselevel	;
+	p80211item_uint32_t	bssactive	;
+	p80211item_uint32_t	pcfactive	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_channel_info_results_t;
+
+typedef struct p80211msg_p2req_enable
+{
+	UINT32		msgcode	;
+	UINT32		msglen	;
+	UINT8		devname[WLAN_DEVNAMELEN_MAX]	;
+	p80211item_uint32_t	resultcode	;
+} __WLAN_ATTRIB_PACK__ p80211msg_p2req_enable_t;
+
+#endif
diff --git a/drivers/staging/wlan-ng/p80211mgmt.h b/drivers/staging/wlan-ng/p80211mgmt.h
new file mode 100644
index 00000000000..bd4c1629eab
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211mgmt.h
@@ -0,0 +1,575 @@
+/* p80211mgmt.h
+*
+* Macros, types, and functions to handle 802.11 mgmt frames
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares the constants and types used in the interface
+* between a wlan driver and the user mode utilities.
+*
+* Notes:
+*  - Constant values are always in HOST byte order.  To assign
+*    values to multi-byte fields they _must_ be converted to
+*    ieee byte order.  To retrieve multi-byte values from incoming
+*    frames, they must be converted to host order.
+*
+*  - The len member of the frame structure does NOT!!! include
+*    the MAC CRC.  Therefore, the len field on rx'd frames should
+*    have 4 subtracted from it.
+*
+* All functions declared here are implemented in p80211.c
+*
+* The types, macros, and functions defined here are primarily
+* used for encoding and decoding management frames.  They are
+* designed to follow these patterns of use:
+*
+* DECODE:
+* 1) a frame of length len is received into buffer b
+* 2) using the hdr structure and macros, we determine the type
+* 3) an appropriate mgmt frame structure, mf, is allocated and zeroed
+* 4) mf.hdr = b
+*    mf.buf = b
+*    mf.len = len
+* 5) call mgmt_decode( mf )
+* 6) the frame field pointers in mf are now set.  Note that any
+*    multi-byte frame field values accessed using the frame field
+*    pointers are in ieee byte order and will have to be converted
+*    to host order.
+*
+* ENCODE:
+* 1) Library client allocates buffer space for maximum length
+*    frame of the desired type
+* 2) Library client allocates a mgmt frame structure, called mf,
+*    of the desired type
+* 3) Set the following:
+*    mf.type = <desired type>
+*    mf.buf = <allocated buffer address>
+* 4) call mgmt_encode( mf )
+* 5) all of the fixed field pointers and fixed length information element
+*    pointers in mf are now set to their respective locations in the
+*    allocated space (fortunately, all variable length information elements
+*    fall at the end of their respective frames).
+* 5a) The length field is set to include the last of the fixed and fixed
+*     length fields.  It may have to be updated for optional or variable
+* 	length information elements.
+* 6) Optional and variable length information elements are special cases
+*    and must be handled individually by the client code.
+* --------------------------------------------------------------------
+*/
+
+#ifndef _P80211MGMT_H
+#define _P80211MGMT_H
+
+/*================================================================*/
+/* System Includes */
+
+/*================================================================*/
+/* Project Includes */
+
+#ifndef  _WLAN_COMPAT_H
+#include "wlan_compat.h"
+#endif
+
+#ifndef  _P80211HDR_H
+#include "p80211hdr.h"
+#endif
+
+
+/*================================================================*/
+/* Constants */
+
+/*-- Information Element IDs --------------------*/
+#define WLAN_EID_SSID		0
+#define WLAN_EID_SUPP_RATES	1
+#define WLAN_EID_FH_PARMS	2
+#define WLAN_EID_DS_PARMS	3
+#define WLAN_EID_CF_PARMS	4
+#define WLAN_EID_TIM		5
+#define WLAN_EID_IBSS_PARMS	6
+/*-- values 7-15 reserved --*/
+#define WLAN_EID_CHALLENGE	16
+/*-- values 17-31 reserved for challenge text extension --*/
+/*-- values 32-255 reserved --*/
+
+/*-- Reason Codes -------------------------------*/
+#define WLAN_MGMT_REASON_RSVD			0
+#define WLAN_MGMT_REASON_UNSPEC			1
+#define WLAN_MGMT_REASON_PRIOR_AUTH_INVALID	2
+#define WLAN_MGMT_REASON_DEAUTH_LEAVING		3
+#define WLAN_MGMT_REASON_DISASSOC_INACTIVE	4
+#define WLAN_MGMT_REASON_DISASSOC_AP_BUSY	5
+#define WLAN_MGMT_REASON_CLASS2_NONAUTH		6
+#define WLAN_MGMT_REASON_CLASS3_NONASSOC	7
+#define WLAN_MGMT_REASON_DISASSOC_STA_HASLEFT	8
+#define WLAN_MGMT_REASON_CANT_ASSOC_NONAUTH	9
+
+/*-- Status Codes -------------------------------*/
+#define WLAN_MGMT_STATUS_SUCCESS		0
+#define WLAN_MGMT_STATUS_UNSPEC_FAILURE		1
+#define WLAN_MGMT_STATUS_CAPS_UNSUPPORTED	10
+#define WLAN_MGMT_STATUS_REASSOC_NO_ASSOC	11
+#define WLAN_MGMT_STATUS_ASSOC_DENIED_UNSPEC	12
+#define WLAN_MGMT_STATUS_UNSUPPORTED_AUTHALG	13
+#define WLAN_MGMT_STATUS_RX_AUTH_NOSEQ		14
+#define WLAN_MGMT_STATUS_CHALLENGE_FAIL		15
+#define WLAN_MGMT_STATUS_AUTH_TIMEOUT		16
+#define WLAN_MGMT_STATUS_ASSOC_DENIED_BUSY	17
+#define WLAN_MGMT_STATUS_ASSOC_DENIED_RATES	18
+  /* p80211b additions */
+#define WLAN_MGMT_STATUS_ASSOC_DENIED_NOSHORT	19
+#define WLAN_MGMT_STATUS_ASSOC_DENIED_NOPBCC	20
+#define WLAN_MGMT_STATUS_ASSOC_DENIED_NOAGILITY	21
+
+
+
+/*-- Auth Algorithm Field ---------------------------*/
+#define WLAN_AUTH_ALG_OPENSYSTEM		0
+#define WLAN_AUTH_ALG_SHAREDKEY			1
+
+/*-- Management Frame Field Offsets -------------*/
+/* Note: Not all fields are listed because of variable lengths,   */
+/*       see the code in p80211.c to see how we search for fields */
+/* Note: These offsets are from the start of the frame data       */
+
+#define WLAN_BEACON_OFF_TS			0
+#define WLAN_BEACON_OFF_BCN_INT			8
+#define WLAN_BEACON_OFF_CAPINFO			10
+#define WLAN_BEACON_OFF_SSID			12
+
+#define WLAN_DISASSOC_OFF_REASON		0
+
+#define WLAN_ASSOCREQ_OFF_CAP_INFO		0
+#define WLAN_ASSOCREQ_OFF_LISTEN_INT		2
+#define WLAN_ASSOCREQ_OFF_SSID			4
+
+#define WLAN_ASSOCRESP_OFF_CAP_INFO		0
+#define WLAN_ASSOCRESP_OFF_STATUS		2
+#define WLAN_ASSOCRESP_OFF_AID			4
+#define WLAN_ASSOCRESP_OFF_SUPP_RATES		6
+
+#define WLAN_REASSOCREQ_OFF_CAP_INFO		0
+#define WLAN_REASSOCREQ_OFF_LISTEN_INT		2
+#define WLAN_REASSOCREQ_OFF_CURR_AP		4
+#define WLAN_REASSOCREQ_OFF_SSID		10
+
+#define WLAN_REASSOCRESP_OFF_CAP_INFO		0
+#define WLAN_REASSOCRESP_OFF_STATUS		2
+#define WLAN_REASSOCRESP_OFF_AID		4
+#define WLAN_REASSOCRESP_OFF_SUPP_RATES		6
+
+#define WLAN_PROBEREQ_OFF_SSID			0
+
+#define WLAN_PROBERESP_OFF_TS			0
+#define WLAN_PROBERESP_OFF_BCN_INT		8
+#define WLAN_PROBERESP_OFF_CAP_INFO		10
+#define WLAN_PROBERESP_OFF_SSID			12
+
+#define WLAN_AUTHEN_OFF_AUTH_ALG		0
+#define WLAN_AUTHEN_OFF_AUTH_SEQ		2
+#define WLAN_AUTHEN_OFF_STATUS			4
+#define WLAN_AUTHEN_OFF_CHALLENGE		6
+
+#define WLAN_DEAUTHEN_OFF_REASON		0
+
+
+/*================================================================*/
+/* Macros */
+
+/*-- Capability Field ---------------------------*/
+#define WLAN_GET_MGMT_CAP_INFO_ESS(n)		((n) & BIT0)
+#define WLAN_GET_MGMT_CAP_INFO_IBSS(n)		(((n) & BIT1) >> 1)
+#define WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(n)	(((n) & BIT2) >> 2)
+#define WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(n)	(((n) & BIT3) >> 3)
+#define WLAN_GET_MGMT_CAP_INFO_PRIVACY(n)	(((n) & BIT4) >> 4)
+  /* p80211b additions */
+#define WLAN_GET_MGMT_CAP_INFO_SHORT(n)		(((n) & BIT5) >> 5)
+#define WLAN_GET_MGMT_CAP_INFO_PBCC(n)		(((n) & BIT6) >> 6)
+#define WLAN_GET_MGMT_CAP_INFO_AGILITY(n)	(((n) & BIT7) >> 7)
+
+#define WLAN_SET_MGMT_CAP_INFO_ESS(n)		(n)
+#define WLAN_SET_MGMT_CAP_INFO_IBSS(n)		((n) << 1)
+#define WLAN_SET_MGMT_CAP_INFO_CFPOLLABLE(n)	((n) << 2)
+#define WLAN_SET_MGMT_CAP_INFO_CFPOLLREQ(n)	((n) << 3)
+#define WLAN_SET_MGMT_CAP_INFO_PRIVACY(n)	((n) << 4)
+  /* p80211b additions */
+#define WLAN_SET_MGMT_CAP_INFO_SHORT(n)		((n) << 5)
+#define WLAN_SET_MGMT_CAP_INFO_PBCC(n)		((n) << 6)
+#define WLAN_SET_MGMT_CAP_INFO_AGILITY(n)	((n) << 7)
+
+
+/*================================================================*/
+/* Types */
+
+/*-- Information Element Types --------------------*/
+/* prototype structure, all IEs start with these members */
+
+typedef struct wlan_ie
+{
+	UINT8	eid;
+	UINT8	len;
+} __WLAN_ATTRIB_PACK__ wlan_ie_t;
+
+/*-- Service Set Identity (SSID)  -----------------*/
+typedef struct wlan_ie_ssid
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT8	ssid[1];  /* may be zero, ptrs may overlap */
+} __WLAN_ATTRIB_PACK__ wlan_ie_ssid_t;
+
+/*-- Supported Rates  -----------------------------*/
+typedef struct wlan_ie_supp_rates
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT8	rates[1];  /* had better be at LEAST one! */
+} __WLAN_ATTRIB_PACK__ wlan_ie_supp_rates_t;
+
+/*-- FH Parameter Set  ----------------------------*/
+typedef struct wlan_ie_fh_parms
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT16	dwell;
+	UINT8	hopset;
+	UINT8	hoppattern;
+	UINT8	hopindex;
+} __WLAN_ATTRIB_PACK__ wlan_ie_fh_parms_t;
+
+/*-- DS Parameter Set  ----------------------------*/
+typedef struct wlan_ie_ds_parms
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT8	curr_ch;
+} __WLAN_ATTRIB_PACK__ wlan_ie_ds_parms_t;
+
+/*-- CF Parameter Set  ----------------------------*/
+
+typedef struct wlan_ie_cf_parms
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT8	cfp_cnt;
+	UINT8	cfp_period;
+	UINT16	cfp_maxdur;
+	UINT16	cfp_durremaining;
+} __WLAN_ATTRIB_PACK__ wlan_ie_cf_parms_t;
+
+/*-- TIM ------------------------------------------*/
+typedef struct wlan_ie_tim
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT8	dtim_cnt;
+	UINT8	dtim_period;
+	UINT8	bitmap_ctl;
+	UINT8	virt_bm[1];
+} __WLAN_ATTRIB_PACK__ wlan_ie_tim_t;
+
+/*-- IBSS Parameter Set ---------------------------*/
+typedef struct wlan_ie_ibss_parms
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT16	atim_win;
+} __WLAN_ATTRIB_PACK__ wlan_ie_ibss_parms_t;
+
+/*-- Challenge Text  ------------------------------*/
+typedef struct wlan_ie_challenge
+{
+	UINT8	eid;
+	UINT8	len;
+	UINT8	challenge[1];
+} __WLAN_ATTRIB_PACK__ wlan_ie_challenge_t;
+
+/*-------------------------------------------------*/
+/*  Frame Types  */
+
+/* prototype structure, all mgmt frame types will start with these members */
+typedef struct wlan_fr_mgmt
+{
+	UINT16			type;
+	UINT16			len;	/* DOES NOT include CRC !!!!*/
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	/*-- info elements ----------*/
+} wlan_fr_mgmt_t;
+
+/*-- Beacon ---------------------------------------*/
+typedef struct wlan_fr_beacon
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT64			*ts;
+	UINT16			*bcn_int;
+	UINT16			*cap_info;
+	/*-- info elements ----------*/
+	wlan_ie_ssid_t		*ssid;
+	wlan_ie_supp_rates_t	*supp_rates;
+	wlan_ie_fh_parms_t	*fh_parms;
+	wlan_ie_ds_parms_t	*ds_parms;
+	wlan_ie_cf_parms_t	*cf_parms;
+	wlan_ie_ibss_parms_t	*ibss_parms;
+	wlan_ie_tim_t		*tim;
+
+} wlan_fr_beacon_t;
+
+
+/*-- IBSS ATIM ------------------------------------*/
+typedef struct wlan_fr_ibssatim
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8*			buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+
+	/*-- fixed fields -----------*/
+	/*-- info elements ----------*/
+
+	/* this frame type has a null body */
+
+} wlan_fr_ibssatim_t;
+
+/*-- Disassociation -------------------------------*/
+typedef struct wlan_fr_disassoc
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT16			*reason;
+
+	/*-- info elements ----------*/
+
+} wlan_fr_disassoc_t;
+
+/*-- Association Request --------------------------*/
+typedef struct wlan_fr_assocreq
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8*			buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT16			*cap_info;
+	UINT16			*listen_int;
+	/*-- info elements ----------*/
+	wlan_ie_ssid_t		*ssid;
+	wlan_ie_supp_rates_t	*supp_rates;
+
+} wlan_fr_assocreq_t;
+
+/*-- Association Response -------------------------*/
+typedef struct wlan_fr_assocresp
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT16			*cap_info;
+	UINT16			*status;
+	UINT16			*aid;
+	/*-- info elements ----------*/
+	wlan_ie_supp_rates_t	*supp_rates;
+
+} wlan_fr_assocresp_t;
+
+/*-- Reassociation Request ------------------------*/
+typedef struct wlan_fr_reassocreq
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT16			*cap_info;
+	UINT16			*listen_int;
+	UINT8			*curr_ap;
+	/*-- info elements ----------*/
+	wlan_ie_ssid_t		*ssid;
+	wlan_ie_supp_rates_t	*supp_rates;
+
+} wlan_fr_reassocreq_t;
+
+/*-- Reassociation Response -----------------------*/
+typedef struct wlan_fr_reassocresp
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT16			*cap_info;
+	UINT16			*status;
+	UINT16			*aid;
+	/*-- info elements ----------*/
+	wlan_ie_supp_rates_t	*supp_rates;
+
+} wlan_fr_reassocresp_t;
+
+/*-- Probe Request --------------------------------*/
+typedef struct wlan_fr_probereq
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	/*-- info elements ----------*/
+	wlan_ie_ssid_t		*ssid;
+	wlan_ie_supp_rates_t	*supp_rates;
+
+} wlan_fr_probereq_t;
+
+/*-- Probe Response -------------------------------*/
+typedef struct wlan_fr_proberesp
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT64			*ts;
+	UINT16			*bcn_int;
+	UINT16			*cap_info;
+	/*-- info elements ----------*/
+	wlan_ie_ssid_t		*ssid;
+	wlan_ie_supp_rates_t	*supp_rates;
+	wlan_ie_fh_parms_t	*fh_parms;
+	wlan_ie_ds_parms_t	*ds_parms;
+	wlan_ie_cf_parms_t	*cf_parms;
+	wlan_ie_ibss_parms_t	*ibss_parms;
+} wlan_fr_proberesp_t;
+
+/*-- Authentication -------------------------------*/
+typedef struct wlan_fr_authen
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT16			*auth_alg;
+	UINT16			*auth_seq;
+	UINT16			*status;
+	/*-- info elements ----------*/
+	wlan_ie_challenge_t	*challenge;
+
+} wlan_fr_authen_t;
+
+/*-- Deauthenication -----------------------------*/
+typedef struct wlan_fr_deauthen
+{
+	UINT16			type;
+	UINT16			len;
+	UINT8			*buf;
+	p80211_hdr_t		*hdr;
+	/* used for target specific data, skb in Linux */
+	void			*priv;
+	/*-- fixed fields -----------*/
+	UINT16			*reason;
+
+	/*-- info elements ----------*/
+
+} wlan_fr_deauthen_t;
+
+
+/*================================================================*/
+/* Extern Declarations */
+
+
+/*================================================================*/
+/* Function Declarations */
+
+void wlan_mgmt_encode_beacon( wlan_fr_beacon_t  *f );
+void wlan_mgmt_decode_beacon( wlan_fr_beacon_t  *f );
+void wlan_mgmt_encode_disassoc( wlan_fr_disassoc_t  *f );
+void wlan_mgmt_decode_disassoc( wlan_fr_disassoc_t  *f );
+void wlan_mgmt_encode_assocreq( wlan_fr_assocreq_t  *f );
+void wlan_mgmt_decode_assocreq( wlan_fr_assocreq_t  *f );
+void wlan_mgmt_encode_assocresp( wlan_fr_assocresp_t  *f );
+void wlan_mgmt_decode_assocresp( wlan_fr_assocresp_t  *f );
+void wlan_mgmt_encode_reassocreq( wlan_fr_reassocreq_t  *f );
+void wlan_mgmt_decode_reassocreq( wlan_fr_reassocreq_t  *f );
+void wlan_mgmt_encode_reassocresp( wlan_fr_reassocresp_t  *f );
+void wlan_mgmt_decode_reassocresp( wlan_fr_reassocresp_t  *f );
+void wlan_mgmt_encode_probereq( wlan_fr_probereq_t  *f );
+void wlan_mgmt_decode_probereq( wlan_fr_probereq_t  *f );
+void wlan_mgmt_encode_proberesp( wlan_fr_proberesp_t  *f );
+void wlan_mgmt_decode_proberesp( wlan_fr_proberesp_t  *f );
+void wlan_mgmt_encode_authen( wlan_fr_authen_t  *f );
+void wlan_mgmt_decode_authen( wlan_fr_authen_t  *f );
+void wlan_mgmt_encode_deauthen( wlan_fr_deauthen_t  *f );
+void wlan_mgmt_decode_deauthen( wlan_fr_deauthen_t  *f );
+
+
+#endif /* _P80211MGMT_H */
diff --git a/drivers/staging/wlan-ng/p80211mod.c b/drivers/staging/wlan-ng/p80211mod.c
new file mode 100644
index 00000000000..e2c3f63be8b
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211mod.c
@@ -0,0 +1,216 @@
+/* src/p80211/p80211mod.c
+*
+* Module entry and exit for p80211
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file contains the p80211.o entry and exit points defined for linux
+* kernel modules.
+*
+* Notes:
+* - all module parameters for  p80211.o should be defined here.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,25))
+#include <linux/moduleparam.h>
+#endif
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+
+#include "version.h"
+#include "wlan_compat.h"
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211mgmt.h"
+#include "p80211conv.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211req.h"
+
+/*================================================================*/
+/* Local Constants */
+
+
+/*================================================================*/
+/* Local Macros */
+
+
+/*================================================================*/
+/* Local Types */
+
+
+/*================================================================*/
+/* Local Static Definitions */
+
+static char *version = "p80211.o: " WLAN_RELEASE;
+
+
+/*----------------------------------------------------------------*/
+/* --Module Parameters */
+
+int wlan_watchdog = 5000;
+module_param(wlan_watchdog, int, 0644);
+MODULE_PARM_DESC(wlan_watchdog, "transmit timeout in milliseconds");
+
+int wlan_wext_write = 0;
+#if WIRELESS_EXT > 12
+module_param(wlan_wext_write, int, 0644);
+MODULE_PARM_DESC(wlan_wext_write, "enable write wireless extensions");
+#endif
+
+#ifdef WLAN_INCLUDE_DEBUG
+int wlan_debug=0;
+module_param(wlan_debug, int, 0644);
+MODULE_PARM_DESC(wlan_debug, "p80211 debug level");
+#endif
+
+MODULE_LICENSE("Dual MPL/GPL");
+
+/*================================================================*/
+/* Local Function Declarations */
+
+int	init_module(void);
+void	cleanup_module(void);
+
+/*================================================================*/
+/* Function Definitions */
+
+/*----------------------------------------------------------------
+* init_module
+*
+* Module initialization routine, called once at module load time.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	0	- success
+*	~0	- failure, module is unloaded.
+*
+* Side effects:
+*	TODO: define
+*
+* Call context:
+*	process thread (insmod or modprobe)
+----------------------------------------------------------------*/
+int init_module(void)
+{
+        DBFENTER;
+
+#if 0
+        printk(KERN_NOTICE "%s (%s) Loaded\n", version, WLAN_BUILD_DATE);
+#endif
+
+	p80211netdev_startup();
+#ifdef CONFIG_HOTPLUG
+	p80211_run_sbin_hotplug(NULL, WLAN_HOTPLUG_STARTUP);
+#endif
+
+        DBFEXIT;
+        return 0;
+}
+
+
+/*----------------------------------------------------------------
+* cleanup_module
+*
+* Called at module unload time.  This is our last chance to
+* clean up after ourselves.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	TODO: define
+*
+* Call context:
+*	process thread
+*
+----------------------------------------------------------------*/
+void cleanup_module(void)
+{
+        DBFENTER;
+
+#ifdef CONFIG_HOTPLUG
+	p80211_run_sbin_hotplug(NULL, WLAN_HOTPLUG_SHUTDOWN);
+#endif
+	p80211netdev_shutdown();
+        printk(KERN_NOTICE "%s Unloaded\n", version);
+
+        DBFEXIT;
+        return;
+}
+
+EXPORT_SYMBOL(p80211netdev_hwremoved);
+EXPORT_SYMBOL(register_wlandev);
+EXPORT_SYMBOL(p80211netdev_rx);
+EXPORT_SYMBOL(unregister_wlandev);
+EXPORT_SYMBOL(wlan_setup);
+EXPORT_SYMBOL(wlan_unsetup);
+EXPORT_SYMBOL(p80211_suspend);
+EXPORT_SYMBOL(p80211_resume);
+
+EXPORT_SYMBOL(p80211skb_free);
+EXPORT_SYMBOL(p80211skb_rxmeta_attach);
+
+EXPORT_SYMBOL(p80211wext_event_associated);
diff --git a/drivers/staging/wlan-ng/p80211msg.h b/drivers/staging/wlan-ng/p80211msg.h
new file mode 100644
index 00000000000..c14e9fbbd68
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211msg.h
@@ -0,0 +1,102 @@
+/* p80211msg.h
+*
+* Macros, constants, types, and funcs for req and ind messages
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _P80211MSG_H
+#define _P80211MSG_H
+
+/*================================================================*/
+/* System Includes */
+
+/*================================================================*/
+/* Project Includes */
+
+#ifndef _WLAN_COMPAT_H
+#include "wlan_compat.h"
+#endif
+
+/*================================================================*/
+/* Constants */
+
+#define MSG_BUFF_LEN		4000
+#define WLAN_DEVNAMELEN_MAX	16
+
+/*================================================================*/
+/* Macros */
+
+/*================================================================*/
+/* Types */
+
+/*--------------------------------------------------------------------*/
+/*----- Message Structure Types --------------------------------------*/
+
+/*--------------------------------------------------------------------*/
+/* Prototype msg type */
+
+typedef struct p80211msg
+{
+	UINT32	msgcode;
+	UINT32	msglen;
+	UINT8	devname[WLAN_DEVNAMELEN_MAX];
+} __WLAN_ATTRIB_PACK__ p80211msg_t;
+
+typedef struct p80211msgd
+{
+	UINT32	msgcode;
+	UINT32	msglen;
+	UINT8	devname[WLAN_DEVNAMELEN_MAX];
+	UINT8	args[0];
+} __WLAN_ATTRIB_PACK__ p80211msgd_t;
+
+/*================================================================*/
+/* Extern Declarations */
+
+
+/*================================================================*/
+/* Function Declarations */
+
+#endif  /* _P80211MSG_H */
+
diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c
new file mode 100644
index 00000000000..11f84a829e1
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211netdev.c
@@ -0,0 +1,1502 @@
+/* src/p80211/p80211knetdev.c
+*
+* Linux Kernel net device interface
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* The functions required for a Linux network device are defined here.
+*
+* --------------------------------------------------------------------
+*/
+
+
+/*================================================================*/
+/* System Includes */
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/proc_fs.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/kmod.h>
+#include <linux/if_arp.h>
+#include <linux/wireless.h>
+#include <linux/sockios.h>
+#include <linux/etherdevice.h>
+
+#include <asm/bitops.h>
+#include <asm/uaccess.h>
+#include <asm/byteorder.h>
+
+#ifdef SIOCETHTOOL
+#include <linux/ethtool.h>
+#endif
+
+#if WIRELESS_EXT > 12
+#include <net/iw_handler.h>
+#endif
+#include <net/net_namespace.h>
+
+/*================================================================*/
+/* Project Includes */
+
+#include "version.h"
+#include "wlan_compat.h"
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211conv.h"
+#include "p80211mgmt.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211ioctl.h"
+#include "p80211req.h"
+#include "p80211metastruct.h"
+#include "p80211metadef.h"
+
+/*================================================================*/
+/* Local Constants */
+
+/*================================================================*/
+/* Local Macros */
+
+
+/*================================================================*/
+/* Local Types */
+
+/*================================================================*/
+/* Local Static Definitions */
+
+#define __NO_VERSION__		/* prevent the static definition */
+
+#ifdef CONFIG_PROC_FS
+static struct proc_dir_entry	*proc_p80211;
+#endif
+
+/*================================================================*/
+/* Local Function Declarations */
+
+/* Support functions */
+static void p80211netdev_rx_bh(unsigned long arg);
+
+/* netdevice method functions */
+static int p80211knetdev_init( netdevice_t *netdev);
+static struct net_device_stats* p80211knetdev_get_stats(netdevice_t *netdev);
+static int p80211knetdev_open( netdevice_t *netdev);
+static int p80211knetdev_stop( netdevice_t *netdev );
+static int p80211knetdev_hard_start_xmit( struct sk_buff *skb, netdevice_t *netdev);
+static void p80211knetdev_set_multicast_list(netdevice_t *dev);
+static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd);
+static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr);
+static void p80211knetdev_tx_timeout(netdevice_t *netdev);
+static int p80211_rx_typedrop( wlandevice_t *wlandev, UINT16 fc);
+
+#ifdef CONFIG_PROC_FS
+static int
+p80211netdev_proc_read(
+	char	*page,
+	char	**start,
+	off_t	offset,
+	int	count,
+	int	*eof,
+	void	*data);
+#endif
+
+/*================================================================*/
+/* Function Definitions */
+
+/*----------------------------------------------------------------
+* p80211knetdev_startup
+*
+* Initialize the wlandevice/netdevice part of 802.11 services at
+* load time.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	nothing
+----------------------------------------------------------------*/
+void p80211netdev_startup(void)
+{
+	DBFENTER;
+
+#ifdef CONFIG_PROC_FS
+	if (init_net.proc_net != NULL) {
+		proc_p80211 = create_proc_entry(
+				"p80211",
+				(S_IFDIR|S_IRUGO|S_IXUGO),
+				init_net.proc_net);
+	}
+#endif
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* p80211knetdev_shutdown
+*
+* Shutdown the wlandevice/netdevice part of 802.11 services at
+* unload time.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	nothing
+----------------------------------------------------------------*/
+void
+p80211netdev_shutdown(void)
+{
+	DBFENTER;
+#ifdef CONFIG_PROC_FS
+	if (proc_p80211 != NULL) {
+		remove_proc_entry("p80211", init_net.proc_net);
+	}
+#endif
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* p80211knetdev_init
+*
+* Init method for a Linux netdevice.  Called in response to
+* register_netdev.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	nothing
+----------------------------------------------------------------*/
+static int p80211knetdev_init( netdevice_t *netdev)
+{
+	DBFENTER;
+	/* Called in response to register_netdev */
+	/* This is usually the probe function, but the probe has */
+	/* already been done by the MSD and the create_kdev */
+	/* function.  All we do here is return success */
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* p80211knetdev_get_stats
+*
+* Statistics retrieval for linux netdevices.  Here we're reporting
+* the Linux i/f level statistics.  Hence, for the primary numbers,
+* we don't want to report the numbers from the MIB.  Eventually,
+* it might be useful to collect some of the error counters though.
+*
+* Arguments:
+*	netdev		Linux netdevice
+*
+* Returns:
+*	the address of the statistics structure
+----------------------------------------------------------------*/
+static struct net_device_stats*
+p80211knetdev_get_stats(netdevice_t *netdev)
+{
+	wlandevice_t	*wlandev = (wlandevice_t*)netdev->priv;
+	DBFENTER;
+
+	/* TODO: review the MIB stats for items that correspond to
+		linux stats */
+
+	DBFEXIT;
+	return &(wlandev->linux_stats);
+}
+
+
+/*----------------------------------------------------------------
+* p80211knetdev_open
+*
+* Linux netdevice open method.  Following a successful call here,
+* the device is supposed to be ready for tx and rx.  In our
+* situation that may not be entirely true due to the state of the
+* MAC below.
+*
+* Arguments:
+*	netdev		Linux network device structure
+*
+* Returns:
+*	zero on success, non-zero otherwise
+----------------------------------------------------------------*/
+static int p80211knetdev_open( netdevice_t *netdev )
+{
+	int 		result = 0; /* success */
+	wlandevice_t	*wlandev = (wlandevice_t*)(netdev->priv);
+
+	DBFENTER;
+
+	/* Check to make sure the MSD is running */
+	if ( wlandev->msdstate != WLAN_MSD_RUNNING ) {
+		return -ENODEV;
+	}
+
+	/* Tell the MSD to open */
+	if ( wlandev->open != NULL) {
+		result = wlandev->open(wlandev);
+		if ( result == 0 ) {
+#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,3,43) )
+			netdev->interrupt = 0;
+#endif
+			p80211netdev_start_queue(wlandev);
+			wlandev->state = WLAN_DEVICE_OPEN;
+		}
+	} else {
+		result = -EAGAIN;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* p80211knetdev_stop
+*
+* Linux netdevice stop (close) method.  Following this call,
+* no frames should go up or down through this interface.
+*
+* Arguments:
+*	netdev		Linux network device structure
+*
+* Returns:
+*	zero on success, non-zero otherwise
+----------------------------------------------------------------*/
+static int p80211knetdev_stop( netdevice_t *netdev )
+{
+	int		result = 0;
+	wlandevice_t	*wlandev = (wlandevice_t*)(netdev->priv);
+
+	DBFENTER;
+
+	if ( wlandev->close != NULL ) {
+		result = wlandev->close(wlandev);
+	}
+
+	p80211netdev_stop_queue(wlandev);
+	wlandev->state = WLAN_DEVICE_CLOSED;
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* p80211netdev_rx
+*
+* Frame receive function called by the mac specific driver.
+*
+* Arguments:
+*	wlandev		WLAN network device structure
+*	skb		skbuff containing a full 802.11 frame.
+* Returns:
+*	nothing
+* Side effects:
+*
+----------------------------------------------------------------*/
+void
+p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb )
+{
+	DBFENTER;
+
+	/* Enqueue for post-irq processing */
+	skb_queue_tail(&wlandev->nsd_rxq, skb);
+
+	tasklet_schedule(&wlandev->rx_bh);
+
+        DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* p80211netdev_rx_bh
+*
+* Deferred processing of all received frames.
+*
+* Arguments:
+*	wlandev		WLAN network device structure
+*	skb		skbuff containing a full 802.11 frame.
+* Returns:
+*	nothing
+* Side effects:
+*
+----------------------------------------------------------------*/
+static void p80211netdev_rx_bh(unsigned long arg)
+{
+	wlandevice_t *wlandev = (wlandevice_t *) arg;
+	struct sk_buff *skb = NULL;
+	netdevice_t     *dev = wlandev->netdev;
+	p80211_hdr_a3_t *hdr;
+	UINT16 fc;
+
+        DBFENTER;
+
+	/* Let's empty our our queue */
+	while ( (skb = skb_dequeue(&wlandev->nsd_rxq)) ) {
+		if (wlandev->state == WLAN_DEVICE_OPEN) {
+
+			if (dev->type != ARPHRD_ETHER) {
+				/* RAW frame; we shouldn't convert it */
+				// XXX Append the Prism Header here instead.
+
+				/* set up various data fields */
+				skb->dev = dev;
+				skb_reset_mac_header(skb);
+				skb->ip_summed = CHECKSUM_NONE;
+				skb->pkt_type = PACKET_OTHERHOST;
+				skb->protocol = htons(ETH_P_80211_RAW);
+				dev->last_rx = jiffies;
+
+				wlandev->linux_stats.rx_packets++;
+				wlandev->linux_stats.rx_bytes += skb->len;
+				netif_rx_ni(skb);
+				continue;
+			} else {
+				hdr = (p80211_hdr_a3_t *)skb->data;
+				fc = ieee2host16(hdr->fc);
+				if (p80211_rx_typedrop(wlandev, fc)) {
+					dev_kfree_skb(skb);
+					continue;
+				}
+
+				/* perform mcast filtering */
+				if (wlandev->netdev->flags & IFF_ALLMULTI) {
+					/* allow my local address through */
+					if (memcmp(hdr->a1, wlandev->netdev->dev_addr, WLAN_ADDR_LEN) != 0) {
+						/* but reject anything else that isn't multicast */
+						if (!(hdr->a1[0] & 0x01)) {
+							dev_kfree_skb(skb);
+							continue;
+						}
+					}
+				}
+
+				if ( skb_p80211_to_ether(wlandev, wlandev->ethconv, skb) == 0 ) {
+					skb->dev->last_rx = jiffies;
+					wlandev->linux_stats.rx_packets++;
+					wlandev->linux_stats.rx_bytes += skb->len;
+					netif_rx_ni(skb);
+					continue;
+				}
+				WLAN_LOG_DEBUG(1, "p80211_to_ether failed.\n");
+			}
+		}
+		dev_kfree_skb(skb);
+	}
+
+        DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* p80211knetdev_hard_start_xmit
+*
+* Linux netdevice method for transmitting a frame.
+*
+* Arguments:
+*	skb	Linux sk_buff containing the frame.
+*	netdev	Linux netdevice.
+*
+* Side effects:
+*	If the lower layers report that buffers are full. netdev->tbusy
+*	will be set to prevent higher layers from sending more traffic.
+*
+*	Note: If this function returns non-zero, higher layers retain
+*	      ownership of the skb.
+*
+* Returns:
+*	zero on success, non-zero on failure.
+----------------------------------------------------------------*/
+static int p80211knetdev_hard_start_xmit( struct sk_buff *skb, netdevice_t *netdev)
+{
+	int		result = 0;
+	int		txresult = -1;
+	wlandevice_t	*wlandev = (wlandevice_t*)netdev->priv;
+	p80211_hdr_t    p80211_hdr;
+	p80211_metawep_t p80211_wep;
+
+	DBFENTER;
+
+	if (skb == NULL) {
+		return 0;
+	}
+
+        if (wlandev->state != WLAN_DEVICE_OPEN) {
+		result = 1;
+		goto failed;
+	}
+
+	memset(&p80211_hdr, 0, sizeof(p80211_hdr_t));
+	memset(&p80211_wep, 0, sizeof(p80211_metawep_t));
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
+	if ( test_and_set_bit(0, (void*)&(netdev->tbusy)) != 0 ) {
+		/* We've been called w/ tbusy set, has the tx */
+		/* path stalled?   */
+		WLAN_LOG_DEBUG(1, "called when tbusy set\n");
+		result = 1;
+		goto failed;
+	}
+#else
+	if ( netif_queue_stopped(netdev) ) {
+		WLAN_LOG_DEBUG(1, "called when queue stopped.\n");
+		result = 1;
+		goto failed;
+	}
+
+	netif_stop_queue(netdev);
+
+	/* No timeout handling here, 2.3.38+ kernels call the
+	 * timeout function directly.
+	 * TODO: Add timeout handling.
+	*/
+#endif
+
+	/* Check to see that a valid mode is set */
+	switch( wlandev->macmode ) {
+	case WLAN_MACMODE_IBSS_STA:
+	case WLAN_MACMODE_ESS_STA:
+	case WLAN_MACMODE_ESS_AP:
+		break;
+	default:
+		/* Mode isn't set yet, just drop the frame
+		 * and return success .
+		 * TODO: we need a saner way to handle this
+		 */
+		if(skb->protocol != ETH_P_80211_RAW) {
+			p80211netdev_start_queue(wlandev);
+			WLAN_LOG_NOTICE(
+				"Tx attempt prior to association, frame dropped.\n");
+			wlandev->linux_stats.tx_dropped++;
+			result = 0;
+			goto failed;
+		}
+		break;
+	}
+
+	/* Check for raw transmits */
+	if(skb->protocol == ETH_P_80211_RAW) {
+		if (!capable(CAP_NET_ADMIN)) {
+			result = 1;
+			goto failed;
+		}
+		/* move the header over */
+		memcpy(&p80211_hdr, skb->data, sizeof(p80211_hdr_t));
+		skb_pull(skb, sizeof(p80211_hdr_t));
+	} else {
+		if ( skb_ether_to_p80211(wlandev, wlandev->ethconv, skb, &p80211_hdr, &p80211_wep) != 0 ) {
+			/* convert failed */
+			WLAN_LOG_DEBUG(1, "ether_to_80211(%d) failed.\n",
+					wlandev->ethconv);
+			result = 1;
+			goto failed;
+		}
+	}
+	if ( wlandev->txframe == NULL ) {
+		result = 1;
+		goto failed;
+	}
+
+	netdev->trans_start = jiffies;
+
+	wlandev->linux_stats.tx_packets++;
+	/* count only the packet payload */
+	wlandev->linux_stats.tx_bytes += skb->len;
+
+	txresult = wlandev->txframe(wlandev, skb, &p80211_hdr, &p80211_wep);
+
+	if ( txresult == 0) {
+		/* success and more buf */
+		/* avail, re: hw_txdata */
+		p80211netdev_wake_queue(wlandev);
+		result = 0;
+	} else if ( txresult == 1 ) {
+		/* success, no more avail */
+		WLAN_LOG_DEBUG(3, "txframe success, no more bufs\n");
+		/* netdev->tbusy = 1;  don't set here, irqhdlr */
+		/*   may have already cleared it */
+		result = 0;
+	} else if ( txresult == 2 ) {
+		/* alloc failure, drop frame */
+		WLAN_LOG_DEBUG(3, "txframe returned alloc_fail\n");
+		result = 1;
+	} else {
+		/* buffer full or queue busy, drop frame. */
+		WLAN_LOG_DEBUG(3, "txframe returned full or busy\n");
+		result = 1;
+	}
+
+ failed:
+	/* Free up the WEP buffer if it's not the same as the skb */
+	if ((p80211_wep.data) && (p80211_wep.data != skb->data))
+		kfree(p80211_wep.data);
+
+	/* we always free the skb here, never in a lower level. */
+	if (!result)
+		dev_kfree_skb(skb);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* p80211knetdev_set_multicast_list
+*
+* Called from higher lavers whenever there's a need to set/clear
+* promiscuous mode or rewrite the multicast list.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	nothing
+----------------------------------------------------------------*/
+static void p80211knetdev_set_multicast_list(netdevice_t *dev)
+{
+	wlandevice_t	*wlandev = (wlandevice_t*)dev->priv;
+
+	DBFENTER;
+
+	/* TODO:  real multicast support as well */
+
+	if (wlandev->set_multicast_list)
+		wlandev->set_multicast_list(wlandev, dev);
+
+	DBFEXIT;
+}
+
+#ifdef SIOCETHTOOL
+
+static int p80211netdev_ethtool(wlandevice_t *wlandev, void __user *useraddr)
+{
+	UINT32 ethcmd;
+	struct ethtool_drvinfo info;
+	struct ethtool_value edata;
+
+	memset(&info, 0, sizeof(info));
+	memset(&edata, 0, sizeof(edata));
+
+	if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
+		return -EFAULT;
+
+	switch (ethcmd) {
+	case ETHTOOL_GDRVINFO:
+		info.cmd = ethcmd;
+		snprintf(info.driver, sizeof(info.driver), "p80211_%s",
+			 wlandev->nsdname);
+		snprintf(info.version, sizeof(info.version), "%s",
+			 WLAN_RELEASE);
+
+		// info.fw_version
+		// info.bus_info
+
+		if (copy_to_user(useraddr, &info, sizeof(info)))
+			return -EFAULT;
+		return 0;
+#ifdef ETHTOOL_GLINK
+	case ETHTOOL_GLINK:
+		edata.cmd = ethcmd;
+
+		if (wlandev->linkstatus &&
+		    (wlandev->macmode != WLAN_MACMODE_NONE)) {
+			edata.data = 1;
+		} else {
+			edata.data = 0;
+		}
+
+		if (copy_to_user(useraddr, &edata, sizeof(edata)))
+                        return -EFAULT;
+		return 0;
+	}
+#endif
+
+	return -EOPNOTSUPP;
+}
+
+#endif
+
+/*----------------------------------------------------------------
+* p80211knetdev_do_ioctl
+*
+* Handle an ioctl call on one of our devices.  Everything Linux
+* ioctl specific is done here.  Then we pass the contents of the
+* ifr->data to the request message handler.
+*
+* Arguments:
+*	dev	Linux kernel netdevice
+*	ifr	Our private ioctl request structure, typed for the
+*		generic struct ifreq so we can use ptr to func
+*		w/o cast.
+*
+* Returns:
+*	zero on success, a negative errno on failure.  Possible values:
+*		-ENETDOWN Device isn't up.
+*		-EBUSY	cmd already in progress
+*		-ETIME	p80211 cmd timed out (MSD may have its own timers)
+*		-EFAULT memory fault copying msg from user buffer
+*		-ENOMEM unable to allocate kernel msg buffer
+*		-ENOSYS	bad magic, it the cmd really for us?
+*		-EINTR	sleeping on cmd, awakened by signal, cmd cancelled.
+*
+* Call Context:
+*	Process thread (ioctl caller).  TODO: SMP support may require
+*	locks.
+----------------------------------------------------------------*/
+static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd)
+{
+	int			result = 0;
+	p80211ioctl_req_t	*req = (p80211ioctl_req_t*)ifr;
+	wlandevice_t		*wlandev = (wlandevice_t*)dev->priv;
+	UINT8			*msgbuf;
+	DBFENTER;
+
+	WLAN_LOG_DEBUG(2, "rx'd ioctl, cmd=%d, len=%d\n", cmd, req->len);
+
+#if WIRELESS_EXT < 13
+	/* Is this a wireless extensions ioctl? */
+	if ((cmd >= SIOCIWFIRST) && (cmd <= SIOCIWLAST)) {
+		if ((result = p80211wext_support_ioctl(dev, ifr, cmd))
+		    != (-EOPNOTSUPP)) {
+			goto bail;
+		}
+	}
+#endif
+
+#ifdef SIOCETHTOOL
+	if (cmd == SIOCETHTOOL) {
+		result = p80211netdev_ethtool(wlandev, (void __user *) ifr->ifr_data);
+		goto bail;
+	}
+#endif
+
+	/* Test the magic, assume ifr is good if it's there */
+	if ( req->magic != P80211_IOCTL_MAGIC ) {
+		result = -ENOSYS;
+		goto bail;
+	}
+
+	if ( cmd == P80211_IFTEST ) {
+		result = 0;
+		goto bail;
+	} else if ( cmd != P80211_IFREQ ) {
+		result = -ENOSYS;
+		goto bail;
+	}
+
+	/* Allocate a buf of size req->len */
+	if ((msgbuf = kmalloc( req->len, GFP_KERNEL))) {
+		if ( copy_from_user( msgbuf, (void __user *) req->data, req->len) ) {
+			result = -EFAULT;
+		} else {
+			result = p80211req_dorequest( wlandev, msgbuf);
+		}
+
+		if ( result == 0 ) {
+			if ( copy_to_user( (void __user *) req->data, msgbuf, req->len)) {
+				result = -EFAULT;
+			}
+		}
+		kfree(msgbuf);
+	} else {
+		result = -ENOMEM;
+	}
+bail:
+	DBFEXIT;
+
+	return result; /* If allocate,copyfrom or copyto fails, return errno */
+}
+
+/*----------------------------------------------------------------
+* p80211knetdev_set_mac_address
+*
+* Handles the ioctl for changing the MACAddress of a netdevice
+*
+* references: linux/netdevice.h and drivers/net/net_init.c
+*
+* NOTE: [MSM] We only prevent address changes when the netdev is
+* up.  We don't control anything based on dot11 state.  If the
+* address is changed on a STA that's currently associated, you
+* will probably lose the ability to send and receive data frames.
+* Just be aware.  Therefore, this should usually only be done
+* prior to scan/join/auth/assoc.
+*
+* Arguments:
+*	dev	netdevice struct
+*	addr	the new MACAddress (a struct)
+*
+* Returns:
+*	zero on success, a negative errno on failure.  Possible values:
+*		-EBUSY	device is bussy (cmd not possible)
+*		-and errors returned by: p80211req_dorequest(..)
+*
+* by: Collin R. Mulliner <collin@mulliner.org>
+----------------------------------------------------------------*/
+static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr)
+{
+	struct sockaddr			*new_addr = addr;
+	p80211msg_dot11req_mibset_t	dot11req;
+	p80211item_unk392_t		*mibattr;
+	p80211item_pstr6_t		*macaddr;
+	p80211item_uint32_t		*resultcode;
+	int result = 0;
+
+	DBFENTER;
+	/* If we're running, we don't allow MAC address changes */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
+	if ( dev->start) {
+		return -EBUSY;
+	}
+#else
+	if (netif_running(dev)) {
+		return -EBUSY;
+	}
+#endif
+
+	/* Set up some convenience pointers. */
+	mibattr = &dot11req.mibattribute;
+	macaddr = (p80211item_pstr6_t*)&mibattr->data;
+	resultcode = &dot11req.resultcode;
+
+	/* Set up a dot11req_mibset */
+	memset(&dot11req, 0, sizeof(p80211msg_dot11req_mibset_t));
+	dot11req.msgcode = DIDmsg_dot11req_mibset;
+	dot11req.msglen = sizeof(p80211msg_dot11req_mibset_t);
+	memcpy(dot11req.devname,
+		((wlandevice_t*)(dev->priv))->name,
+		WLAN_DEVNAMELEN_MAX - 1);
+
+	/* Set up the mibattribute argument */
+	mibattr->did = DIDmsg_dot11req_mibset_mibattribute;
+	mibattr->status = P80211ENUM_msgitem_status_data_ok;
+	mibattr->len = sizeof(mibattr->data);
+
+	macaddr->did = DIDmib_dot11mac_dot11OperationTable_dot11MACAddress;
+	macaddr->status = P80211ENUM_msgitem_status_data_ok;
+	macaddr->len = sizeof(macaddr->data);
+	macaddr->data.len = WLAN_ADDR_LEN;
+	memcpy(&macaddr->data.data, new_addr->sa_data, WLAN_ADDR_LEN);
+
+	/* Set up the resultcode argument */
+	resultcode->did = DIDmsg_dot11req_mibset_resultcode;
+	resultcode->status = P80211ENUM_msgitem_status_no_value;
+	resultcode->len = sizeof(resultcode->data);
+	resultcode->data = 0;
+
+	/* now fire the request */
+	result = p80211req_dorequest(dev->priv, (UINT8*)&dot11req);
+
+	/* If the request wasn't successful, report an error and don't
+	 * change the netdev address
+	 */
+	if ( result != 0 || resultcode->data != P80211ENUM_resultcode_success) {
+		WLAN_LOG_ERROR(
+		"Low-level driver failed dot11req_mibset(dot11MACAddress).\n");
+		result = -EADDRNOTAVAIL;
+	} else {
+		/* everything's ok, change the addr in netdev */
+		memcpy(dev->dev_addr, new_addr->sa_data, dev->addr_len);
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+static int wlan_change_mtu(netdevice_t *dev, int new_mtu)
+{
+	DBFENTER;
+	// 2312 is max 802.11 payload, 20 is overhead, (ether + llc +snap)
+	// and another 8 for wep.
+        if ( (new_mtu < 68) || (new_mtu > (2312 - 20 - 8)))
+                return -EINVAL;
+
+        dev->mtu = new_mtu;
+
+	DBFEXIT;
+
+        return 0;
+}
+
+
+
+/*----------------------------------------------------------------
+* wlan_setup
+*
+* Roughly matches the functionality of ether_setup.  Here
+* we set up any members of the wlandevice structure that are common
+* to all devices.  Additionally, we allocate a linux 'struct device'
+* and perform the same setup as ether_setup.
+*
+* Note: It's important that the caller have setup the wlandev->name
+*	ptr prior to calling this function.
+*
+* Arguments:
+*	wlandev		ptr to the wlandev structure for the
+*			interface.
+* Returns:
+*	zero on success, non-zero otherwise.
+* Call Context:
+*	Should be process thread.  We'll assume it might be
+*	interrupt though.  When we add support for statically
+*	compiled drivers, this function will be called in the
+*	context of the kernel startup code.
+----------------------------------------------------------------*/
+int wlan_setup(wlandevice_t *wlandev)
+{
+	int		result = 0;
+	netdevice_t	*dev;
+
+	DBFENTER;
+
+	/* Set up the wlandev */
+	wlandev->state = WLAN_DEVICE_CLOSED;
+	wlandev->ethconv = WLAN_ETHCONV_8021h;
+	wlandev->macmode = WLAN_MACMODE_NONE;
+
+	/* Set up the rx queue */
+	skb_queue_head_init(&wlandev->nsd_rxq);
+	tasklet_init(&wlandev->rx_bh,
+		     p80211netdev_rx_bh,
+		     (unsigned long)wlandev);
+
+	/* Allocate and initialize the struct device */
+	dev = kmalloc(sizeof(netdevice_t), GFP_ATOMIC);
+	if ( dev == NULL ) {
+		WLAN_LOG_ERROR("Failed to alloc netdev.\n");
+		result = 1;
+	} else {
+		memset( dev, 0, sizeof(netdevice_t));
+		ether_setup(dev);
+		wlandev->netdev = dev;
+		dev->priv = wlandev;
+		dev->hard_start_xmit =	p80211knetdev_hard_start_xmit;
+		dev->get_stats =	p80211knetdev_get_stats;
+#ifdef HAVE_PRIVATE_IOCTL
+		dev->do_ioctl = 	p80211knetdev_do_ioctl;
+#endif
+#ifdef HAVE_MULTICAST
+		dev->set_multicast_list = p80211knetdev_set_multicast_list;
+#endif
+		dev->init =		p80211knetdev_init;
+		dev->open =		p80211knetdev_open;
+		dev->stop =		p80211knetdev_stop;
+
+#ifdef CONFIG_NET_WIRELESS
+#if ((WIRELESS_EXT < 17) && (WIRELESS_EXT < 21))
+		dev->get_wireless_stats = p80211wext_get_wireless_stats;
+#endif
+#if WIRELESS_EXT > 12
+		dev->wireless_handlers = &p80211wext_handler_def;
+#endif
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
+		dev->tbusy = 1;
+		dev->start = 0;
+#else
+		netif_stop_queue(dev);
+#endif
+#ifdef HAVE_CHANGE_MTU
+		dev->change_mtu = wlan_change_mtu;
+#endif
+#ifdef HAVE_SET_MAC_ADDR
+		dev->set_mac_address =	p80211knetdev_set_mac_address;
+#endif
+#ifdef HAVE_TX_TIMEOUT
+		dev->tx_timeout      =  &p80211knetdev_tx_timeout;
+		dev->watchdog_timeo  =  (wlan_watchdog * HZ) / 1000;
+#endif
+		netif_carrier_off(dev);
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* wlan_unsetup
+*
+* This function is paired with the wlan_setup routine.  It should
+* be called after unregister_wlandev.  Basically, all it does is
+* free the 'struct device' that's associated with the wlandev.
+* We do it here because the 'struct device' isn't allocated
+* explicitly in the driver code, it's done in wlan_setup.  To
+* do the free in the driver might seem like 'magic'.
+*
+* Arguments:
+*	wlandev		ptr to the wlandev structure for the
+*			interface.
+* Returns:
+*	zero on success, non-zero otherwise.
+* Call Context:
+*	Should be process thread.  We'll assume it might be
+*	interrupt though.  When we add support for statically
+*	compiled drivers, this function will be called in the
+*	context of the kernel startup code.
+----------------------------------------------------------------*/
+int wlan_unsetup(wlandevice_t *wlandev)
+{
+	int		result = 0;
+
+	DBFENTER;
+
+	tasklet_kill(&wlandev->rx_bh);
+
+	if (wlandev->netdev == NULL ) {
+		WLAN_LOG_ERROR("called without wlandev->netdev set.\n");
+		result = 1;
+	} else {
+		free_netdev(wlandev->netdev);
+		wlandev->netdev = NULL;
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+
+
+/*----------------------------------------------------------------
+* register_wlandev
+*
+* Roughly matches the functionality of register_netdev.  This function
+* is called after the driver has successfully probed and set up the
+* resources for the device.  It's now ready to become a named device
+* in the Linux system.
+*
+* First we allocate a name for the device (if not already set), then
+* we call the Linux function register_netdevice.
+*
+* Arguments:
+*	wlandev		ptr to the wlandev structure for the
+*			interface.
+* Returns:
+*	zero on success, non-zero otherwise.
+* Call Context:
+*	Can be either interrupt or not.
+----------------------------------------------------------------*/
+int register_wlandev(wlandevice_t *wlandev)
+{
+	int		i = 0;
+	netdevice_t	*dev = wlandev->netdev;
+
+	DBFENTER;
+
+	i = dev_alloc_name(wlandev->netdev, "wlan%d");
+	if (i >= 0) {
+		i = register_netdev(wlandev->netdev);
+	}
+	if (i != 0) {
+		return -EIO;
+	}
+
+#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) )
+	dev->name = wlandev->name;
+#else
+	strcpy(wlandev->name, dev->name);
+#endif
+
+#ifdef CONFIG_PROC_FS
+	if (proc_p80211) {
+		wlandev->procdir = proc_mkdir(wlandev->name, proc_p80211);
+		if ( wlandev->procdir )
+			wlandev->procwlandev =
+				create_proc_read_entry("wlandev", 0,
+						       wlandev->procdir,
+						       p80211netdev_proc_read,
+						       wlandev);
+		if (wlandev->nsd_proc_read)
+			create_proc_read_entry("nsd", 0,
+					       wlandev->procdir,
+					       wlandev->nsd_proc_read,
+					       wlandev);
+	}
+#endif
+
+#ifdef CONFIG_HOTPLUG
+	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_REGISTER);
+#endif
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* unregister_wlandev
+*
+* Roughly matches the functionality of unregister_netdev.  This
+* function is called to remove a named device from the system.
+*
+* First we tell linux that the device should no longer exist.
+* Then we remove it from the list of known wlan devices.
+*
+* Arguments:
+*	wlandev		ptr to the wlandev structure for the
+*			interface.
+* Returns:
+*	zero on success, non-zero otherwise.
+* Call Context:
+*	Can be either interrupt or not.
+----------------------------------------------------------------*/
+int unregister_wlandev(wlandevice_t *wlandev)
+{
+	struct sk_buff *skb;
+
+	DBFENTER;
+
+#ifdef CONFIG_HOTPLUG
+	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_REMOVE);
+#endif
+
+#ifdef CONFIG_PROC_FS
+	if ( wlandev->procwlandev ) {
+		remove_proc_entry("wlandev", wlandev->procdir);
+	}
+	if ( wlandev->nsd_proc_read ) {
+		remove_proc_entry("nsd", wlandev->procdir);
+	}
+	if (wlandev->procdir) {
+		remove_proc_entry(wlandev->name, proc_p80211);
+	}
+#endif
+
+	unregister_netdev(wlandev->netdev);
+
+	/* Now to clean out the rx queue */
+	while ( (skb = skb_dequeue(&wlandev->nsd_rxq)) ) {
+		dev_kfree_skb(skb);
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+#ifdef CONFIG_PROC_FS
+/*----------------------------------------------------------------
+* proc_read
+*
+* Read function for /proc/net/p80211/<device>/wlandev
+*
+* Arguments:
+*	buf
+*	start
+*	offset
+*	count
+*	eof
+*	data
+* Returns:
+*	zero on success, non-zero otherwise.
+* Call Context:
+*	Can be either interrupt or not.
+----------------------------------------------------------------*/
+static int
+p80211netdev_proc_read(
+	char	*page,
+	char	**start,
+	off_t	offset,
+	int	count,
+	int	*eof,
+	void	*data)
+{
+	char	 *p = page;
+	wlandevice_t *wlandev = (wlandevice_t *) data;
+
+	DBFENTER;
+	if (offset != 0) {
+		*eof = 1;
+		goto exit;
+	}
+
+	p += sprintf(p, "p80211 version: %s (%s)\n\n",
+		     WLAN_RELEASE, WLAN_BUILD_DATE);
+	p += sprintf(p, "name       : %s\n", wlandev->name);
+	p += sprintf(p, "nsd name   : %s\n", wlandev->nsdname);
+	p += sprintf(p, "address    : %02x:%02x:%02x:%02x:%02x:%02x\n",
+		     wlandev->netdev->dev_addr[0], wlandev->netdev->dev_addr[1], wlandev->netdev->dev_addr[2],
+		     wlandev->netdev->dev_addr[3], wlandev->netdev->dev_addr[4], wlandev->netdev->dev_addr[5]);
+	p += sprintf(p, "nsd caps   : %s%s%s%s%s%s%s%s%s%s\n",
+		     (wlandev->nsdcaps & P80211_NSDCAP_HARDWAREWEP) ? "wep_hw " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_TIEDWEP) ? "wep_tied " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_NOHOSTWEP) ? "wep_hw_only " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_PBCC) ? "pbcc " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_SHORT_PREAMBLE) ? "short_preamble " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_AGILITY) ? "agility " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_AP_RETRANSMIT) ? "ap_retransmit " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_HWFRAGMENT) ? "hw_frag " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_AUTOJOIN) ? "autojoin " : "",
+		     (wlandev->nsdcaps & P80211_NSDCAP_NOSCAN) ? "" : "scan ");
+
+
+	p += sprintf(p, "bssid      : %02x:%02x:%02x:%02x:%02x:%02x\n",
+		     wlandev->bssid[0], wlandev->bssid[1], wlandev->bssid[2],
+		     wlandev->bssid[3], wlandev->bssid[4], wlandev->bssid[5]);
+
+	p += sprintf(p, "Enabled    : %s%s\n",
+		     (wlandev->shortpreamble) ? "short_preamble " : "",
+		     (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED) ? "privacy" : "");
+
+
+ exit:
+	DBFEXIT;
+	return (p - page);
+}
+#endif
+
+/*----------------------------------------------------------------
+* p80211netdev_hwremoved
+*
+* Hardware removed notification. This function should be called
+* immediately after an MSD has detected that the underlying hardware
+* has been yanked out from under us.  The primary things we need
+* to do are:
+*   - Mark the wlandev
+*   - Prevent any further traffic from the knetdev i/f
+*   - Prevent any further requests from mgmt i/f
+*   - If there are any waitq'd mgmt requests or mgmt-frame exchanges,
+*     shut them down.
+*   - Call the MSD hwremoved function.
+*
+* The remainder of the cleanup will be handled by unregister().
+* Our primary goal here is to prevent as much tickling of the MSD
+* as possible since the MSD is already in a 'wounded' state.
+*
+* TODO: As new features are added, this function should be
+*       updated.
+*
+* Arguments:
+*	wlandev		WLAN network device structure
+* Returns:
+*	nothing
+* Side effects:
+*
+* Call context:
+*	Usually interrupt.
+----------------------------------------------------------------*/
+void p80211netdev_hwremoved(wlandevice_t *wlandev)
+{
+	DBFENTER;
+	wlandev->hwremoved = 1;
+	if ( wlandev->state == WLAN_DEVICE_OPEN) {
+		p80211netdev_stop_queue(wlandev);
+	}
+
+	netif_device_detach(wlandev->netdev);
+
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* p80211_rx_typedrop
+*
+* Classifies the frame, increments the appropriate counter, and
+* returns 0|1|2 indicating whether the driver should handle, ignore, or
+* drop the frame
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	fc		frame control field
+*
+* Returns:
+*	zero if the frame should be handled by the driver,
+*       one if the frame should be ignored
+*       anything else means we drop it.
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static int p80211_rx_typedrop( wlandevice_t *wlandev, UINT16 fc)
+{
+	UINT16	ftype;
+	UINT16	fstype;
+	int	drop = 0;
+	/* Classify frame, increment counter */
+	ftype = WLAN_GET_FC_FTYPE(fc);
+	fstype = WLAN_GET_FC_FSTYPE(fc);
+#if 0
+	WLAN_LOG_DEBUG(4,
+		"rx_typedrop : ftype=%d fstype=%d.\n", ftype, fstype);
+#endif
+	switch ( ftype ) {
+	case WLAN_FTYPE_MGMT:
+		if ((wlandev->netdev->flags & IFF_PROMISC) ||
+			(wlandev->netdev->flags & IFF_ALLMULTI)) {
+			drop = 1;
+			break;
+		}
+		WLAN_LOG_DEBUG(3, "rx'd mgmt:\n");
+		wlandev->rx.mgmt++;
+		switch( fstype ) {
+		case WLAN_FSTYPE_ASSOCREQ:
+			/* printk("assocreq"); */
+			wlandev->rx.assocreq++;
+			break;
+		case WLAN_FSTYPE_ASSOCRESP:
+			/* printk("assocresp"); */
+			wlandev->rx.assocresp++;
+			break;
+		case WLAN_FSTYPE_REASSOCREQ:
+			/* printk("reassocreq"); */
+			wlandev->rx.reassocreq++;
+			break;
+		case WLAN_FSTYPE_REASSOCRESP:
+			/* printk("reassocresp"); */
+			wlandev->rx.reassocresp++;
+			break;
+		case WLAN_FSTYPE_PROBEREQ:
+			/* printk("probereq"); */
+			wlandev->rx.probereq++;
+			break;
+		case WLAN_FSTYPE_PROBERESP:
+			/* printk("proberesp"); */
+			wlandev->rx.proberesp++;
+			break;
+		case WLAN_FSTYPE_BEACON:
+			/* printk("beacon"); */
+			wlandev->rx.beacon++;
+			break;
+		case WLAN_FSTYPE_ATIM:
+			/* printk("atim"); */
+			wlandev->rx.atim++;
+			break;
+		case WLAN_FSTYPE_DISASSOC:
+			/* printk("disassoc"); */
+			wlandev->rx.disassoc++;
+			break;
+		case WLAN_FSTYPE_AUTHEN:
+			/* printk("authen"); */
+			wlandev->rx.authen++;
+			break;
+		case WLAN_FSTYPE_DEAUTHEN:
+			/* printk("deauthen"); */
+			wlandev->rx.deauthen++;
+			break;
+		default:
+			/* printk("unknown"); */
+			wlandev->rx.mgmt_unknown++;
+			break;
+		}
+		/* printk("\n"); */
+		drop = 2;
+		break;
+
+	case WLAN_FTYPE_CTL:
+		if ((wlandev->netdev->flags & IFF_PROMISC) ||
+			(wlandev->netdev->flags & IFF_ALLMULTI)) {
+			drop = 1;
+			break;
+		}
+		WLAN_LOG_DEBUG(3, "rx'd ctl:\n");
+		wlandev->rx.ctl++;
+		switch( fstype ) {
+		case WLAN_FSTYPE_PSPOLL:
+			/* printk("pspoll"); */
+			wlandev->rx.pspoll++;
+			break;
+		case WLAN_FSTYPE_RTS:
+			/* printk("rts"); */
+			wlandev->rx.rts++;
+			break;
+		case WLAN_FSTYPE_CTS:
+			/* printk("cts"); */
+			wlandev->rx.cts++;
+			break;
+		case WLAN_FSTYPE_ACK:
+			/* printk("ack"); */
+			wlandev->rx.ack++;
+			break;
+		case WLAN_FSTYPE_CFEND:
+			/* printk("cfend"); */
+			wlandev->rx.cfend++;
+			break;
+		case WLAN_FSTYPE_CFENDCFACK:
+			/* printk("cfendcfack"); */
+			wlandev->rx.cfendcfack++;
+			break;
+		default:
+			/* printk("unknown"); */
+			wlandev->rx.ctl_unknown++;
+			break;
+		}
+		/* printk("\n"); */
+		drop = 2;
+		break;
+
+	case WLAN_FTYPE_DATA:
+		wlandev->rx.data++;
+		switch( fstype ) {
+		case WLAN_FSTYPE_DATAONLY:
+			wlandev->rx.dataonly++;
+			break;
+		case WLAN_FSTYPE_DATA_CFACK:
+			wlandev->rx.data_cfack++;
+			break;
+		case WLAN_FSTYPE_DATA_CFPOLL:
+			wlandev->rx.data_cfpoll++;
+			break;
+		case WLAN_FSTYPE_DATA_CFACK_CFPOLL:
+			wlandev->rx.data__cfack_cfpoll++;
+			break;
+		case WLAN_FSTYPE_NULL:
+			WLAN_LOG_DEBUG(3, "rx'd data:null\n");
+			wlandev->rx.null++;
+			break;
+		case WLAN_FSTYPE_CFACK:
+			WLAN_LOG_DEBUG(3, "rx'd data:cfack\n");
+			wlandev->rx.cfack++;
+			break;
+		case WLAN_FSTYPE_CFPOLL:
+			WLAN_LOG_DEBUG(3, "rx'd data:cfpoll\n");
+			wlandev->rx.cfpoll++;
+			break;
+		case WLAN_FSTYPE_CFACK_CFPOLL:
+			WLAN_LOG_DEBUG(3, "rx'd data:cfack_cfpoll\n");
+			wlandev->rx.cfack_cfpoll++;
+			break;
+		default:
+			/* printk("unknown"); */
+			wlandev->rx.data_unknown++;
+			break;
+		}
+
+		break;
+	}
+	return drop;
+}
+
+#ifdef CONFIG_HOTPLUG
+/* Notify userspace when a netdevice event occurs,
+ * by running '/sbin/hotplug net' with certain
+ * environment variables set.
+ */
+int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action)
+{
+        char *argv[3], *envp[7], ifname[12 + IFNAMSIZ], action_str[32];
+	char nsdname[32], wlan_wext[32];
+        int i;
+
+	if (wlandev) {
+		sprintf(ifname, "INTERFACE=%s", wlandev->name);
+		sprintf(nsdname, "NSDNAME=%s", wlandev->nsdname);
+	} else {
+		sprintf(ifname, "INTERFACE=null");
+		sprintf(nsdname, "NSDNAME=null");
+	}
+
+	sprintf(wlan_wext, "WLAN_WEXT=%s", wlan_wext_write ? "y" : "");
+        sprintf(action_str, "ACTION=%s", action);
+
+        i = 0;
+        argv[i++] = hotplug_path;
+        argv[i++] = "wlan";
+        argv[i] = NULL;
+
+        i = 0;
+        /* minimal command environment */
+        envp [i++] = "HOME=/";
+        envp [i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
+        envp [i++] = ifname;
+        envp [i++] = action_str;
+        envp [i++] = nsdname;
+        envp [i++] = wlan_wext;
+        envp [i] = NULL;
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,62))
+        return call_usermodehelper(argv [0], argv, envp);
+#else
+        return call_usermodehelper(argv [0], argv, envp, 0);
+#endif
+}
+
+#endif
+
+
+void    p80211_suspend(wlandevice_t *wlandev)
+{
+	DBFENTER;
+
+#ifdef CONFIG_HOTPLUG
+	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_SUSPEND);
+#endif
+
+	DBFEXIT;
+}
+
+void    p80211_resume(wlandevice_t *wlandev)
+{
+	DBFENTER;
+
+#ifdef CONFIG_HOTPLUG
+	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_RESUME);
+#endif
+
+	DBFEXIT;
+}
+
+static void p80211knetdev_tx_timeout( netdevice_t *netdev)
+{
+	wlandevice_t	*wlandev = (wlandevice_t*)netdev->priv;
+	DBFENTER;
+
+	if (wlandev->tx_timeout) {
+		wlandev->tx_timeout(wlandev);
+	} else {
+		WLAN_LOG_WARNING("Implement tx_timeout for %s\n",
+				 wlandev->nsdname);
+		p80211netdev_wake_queue(wlandev);
+	}
+
+	DBFEXIT;
+}
diff --git a/drivers/staging/wlan-ng/p80211netdev.h b/drivers/staging/wlan-ng/p80211netdev.h
new file mode 100644
index 00000000000..9b2e0cdcb44
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211netdev.h
@@ -0,0 +1,336 @@
+/* p80211netdev.h
+*
+* WLAN net device structure and functions
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares the structure type that represents each wlan
+* interface.
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _LINUX_P80211NETDEV_H
+#define _LINUX_P80211NETDEV_H
+
+#include <linux/interrupt.h>
+#include <linux/wireless.h>
+
+/*================================================================*/
+/* Constants */
+
+#define WLAN_DEVICE_CLOSED	0
+#define WLAN_DEVICE_OPEN	1
+
+#define WLAN_MACMODE_NONE	0
+#define WLAN_MACMODE_IBSS_STA	1
+#define WLAN_MACMODE_ESS_STA	2
+#define WLAN_MACMODE_ESS_AP	3
+
+/* MSD States */
+#define WLAN_MSD_START			-1
+#define WLAN_MSD_DRIVERLOADED		0
+#define WLAN_MSD_HWPRESENT_PENDING	1
+#define WLAN_MSD_HWFAIL			2
+#define WLAN_MSD_HWPRESENT		3
+#define WLAN_MSD_FWLOAD_PENDING		4
+#define WLAN_MSD_FWLOAD			5
+#define WLAN_MSD_RUNNING_PENDING	6
+#define WLAN_MSD_RUNNING		7
+
+#ifndef ETH_P_ECONET
+#define ETH_P_ECONET   0x0018    /* needed for 2.2.x kernels */
+#endif
+
+#define ETH_P_80211_RAW        (ETH_P_ECONET + 1)
+
+#ifndef ARPHRD_IEEE80211
+#define ARPHRD_IEEE80211 801     /* kernel 2.4.6 */
+#endif
+
+#ifndef ARPHRD_IEEE80211_PRISM  /* kernel 2.4.18 */
+#define ARPHRD_IEEE80211_PRISM 802
+#endif
+
+/*--- NSD Capabilities Flags ------------------------------*/
+#define P80211_NSDCAP_HARDWAREWEP           0x01  /* hardware wep engine */
+#define P80211_NSDCAP_TIEDWEP               0x02  /* can't decouple en/de */
+#define P80211_NSDCAP_NOHOSTWEP             0x04  /* must use hardware wep */
+#define P80211_NSDCAP_PBCC                  0x08  /* hardware supports PBCC */
+#define P80211_NSDCAP_SHORT_PREAMBLE        0x10  /* hardware supports */
+#define P80211_NSDCAP_AGILITY               0x20  /* hardware supports */
+#define P80211_NSDCAP_AP_RETRANSMIT         0x40  /* nsd handles retransmits */
+#define P80211_NSDCAP_HWFRAGMENT            0x80  /* nsd handles frag/defrag */
+#define P80211_NSDCAP_AUTOJOIN              0x100  /* nsd does autojoin */
+#define P80211_NSDCAP_NOSCAN                0x200  /* nsd can scan */
+
+/*================================================================*/
+/* Macros */
+
+/*================================================================*/
+/* Types */
+
+/* Received frame statistics */
+typedef struct p80211_frmrx_t
+{
+	UINT32	mgmt;
+	UINT32	assocreq;
+	UINT32	assocresp;
+	UINT32	reassocreq;
+	UINT32	reassocresp;
+	UINT32	probereq;
+	UINT32	proberesp;
+	UINT32	beacon;
+	UINT32	atim;
+	UINT32	disassoc;
+	UINT32	authen;
+	UINT32	deauthen;
+	UINT32	mgmt_unknown;
+	UINT32	ctl;
+	UINT32	pspoll;
+	UINT32	rts;
+	UINT32	cts;
+	UINT32	ack;
+	UINT32	cfend;
+	UINT32	cfendcfack;
+	UINT32	ctl_unknown;
+	UINT32	data;
+	UINT32	dataonly;
+	UINT32	data_cfack;
+	UINT32	data_cfpoll;
+	UINT32	data__cfack_cfpoll;
+	UINT32	null;
+	UINT32	cfack;
+	UINT32	cfpoll;
+	UINT32	cfack_cfpoll;
+	UINT32	data_unknown;
+	UINT32  decrypt;
+	UINT32  decrypt_err;
+} p80211_frmrx_t;
+
+#ifdef WIRELESS_EXT
+/* called by /proc/net/wireless */
+struct iw_statistics* p80211wext_get_wireless_stats(netdevice_t *dev);
+/* wireless extensions' ioctls */
+int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd);
+#if WIRELESS_EXT > 12
+extern struct iw_handler_def p80211wext_handler_def;
+#endif
+
+int p80211wext_event_associated(struct wlandevice *wlandev, int assoc);
+
+#endif /* wireless extensions */
+
+/* WEP stuff */
+#define NUM_WEPKEYS 4
+#define MAX_KEYLEN 32
+
+#define HOSTWEP_DEFAULTKEY_MASK (BIT1|BIT0)
+#define HOSTWEP_DECRYPT  BIT4
+#define HOSTWEP_ENCRYPT  BIT5
+#define HOSTWEP_PRIVACYINVOKED BIT6
+#define HOSTWEP_EXCLUDEUNENCRYPTED BIT7
+
+extern int wlan_watchdog;
+extern int wlan_wext_write;
+
+/* WLAN device type */
+typedef struct wlandevice
+{
+	struct wlandevice	*next;		/* link for list of devices */
+	void			*priv;		/* private data for MSD */
+
+	/* Subsystem State */
+	char		name[WLAN_DEVNAMELEN_MAX]; /* Dev name, from register_wlandev()*/
+	char		*nsdname;
+
+	UINT32          state;          /* Device I/F state (open/closed) */
+	UINT32		msdstate;	/* state of underlying driver */
+	UINT32		hwremoved;	/* Has the hw been yanked out? */
+
+	/* Hardware config */
+	UINT		irq;
+	UINT		iobase;
+	UINT		membase;
+	UINT32          nsdcaps;  /* NSD Capabilities flags */
+
+	/* Config vars */
+	UINT		ethconv;
+
+	/* device methods (init by MSD, used by p80211 */
+	int		(*open)(struct wlandevice *wlandev);
+	int		(*close)(struct wlandevice *wlandev);
+	void		(*reset)(struct wlandevice *wlandev );
+	int		(*txframe)(struct wlandevice *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep);
+	int		(*mlmerequest)(struct wlandevice *wlandev, p80211msg_t *msg);
+	int             (*set_multicast_list)(struct wlandevice *wlandev,
+					      netdevice_t *dev);
+	void		(*tx_timeout)(struct wlandevice *wlandev);
+
+#ifdef CONFIG_PROC_FS
+	int             (*nsd_proc_read)(char *page, char **start, off_t offset, int count, int	*eof, void *data);
+#endif
+
+	/* 802.11 State */
+	UINT8		bssid[WLAN_BSSID_LEN];
+	p80211pstr32_t	ssid;
+	UINT32		macmode;
+	int             linkstatus;
+	int             shortpreamble;  /* C bool */
+
+	/* WEP State */
+	UINT8 wep_keys[NUM_WEPKEYS][MAX_KEYLEN];
+	UINT8 wep_keylens[NUM_WEPKEYS];
+	int   hostwep;
+
+	/* Request/Confirm i/f state (used by p80211) */
+	unsigned long		request_pending; /* flag, access atomically */
+
+	/* netlink socket */
+	/* queue for indications waiting for cmd completion */
+	/* Linux netdevice and support */
+	netdevice_t		*netdev;	/* ptr to linux netdevice */
+	struct net_device_stats linux_stats;
+
+#ifdef CONFIG_PROC_FS
+	/* Procfs support */
+	struct proc_dir_entry	*procdir;
+	struct proc_dir_entry	*procwlandev;
+#endif
+
+	/* Rx bottom half */
+	struct tasklet_struct	rx_bh;
+
+	struct sk_buff_head	nsd_rxq;
+
+	/* 802.11 device statistics */
+	struct p80211_frmrx_t	rx;
+
+/* compatibility to wireless extensions */
+#ifdef WIRELESS_EXT
+	struct iw_statistics	wstats;
+
+	/* jkriegl: iwspy fields */
+        UINT8			spy_number;
+        char			spy_address[IW_MAX_SPY][ETH_ALEN];
+        struct iw_quality       spy_stat[IW_MAX_SPY];
+
+#endif
+
+} wlandevice_t;
+
+/* WEP stuff */
+int wep_change_key(wlandevice_t *wlandev, int keynum, UINT8* key, int keylen);
+int wep_decrypt(wlandevice_t *wlandev, UINT8 *buf, UINT32 len, int key_override, UINT8 *iv, UINT8 *icv);
+int wep_encrypt(wlandevice_t *wlandev, UINT8 *buf, UINT8 *dst, UINT32 len, int keynum, UINT8 *iv, UINT8 *icv);
+
+/*================================================================*/
+/* Externs */
+
+/*================================================================*/
+/* Function Declarations */
+
+void	p80211netdev_startup(void);
+void	p80211netdev_shutdown(void);
+int	wlan_setup(wlandevice_t *wlandev);
+int	wlan_unsetup(wlandevice_t *wlandev);
+int	register_wlandev(wlandevice_t *wlandev);
+int	unregister_wlandev(wlandevice_t *wlandev);
+void	p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
+void	p80211netdev_hwremoved(wlandevice_t *wlandev);
+void    p80211_suspend(wlandevice_t *wlandev);
+void    p80211_resume(wlandevice_t *wlandev);
+
+/*================================================================*/
+/* Function Definitions */
+
+static inline void
+p80211netdev_stop_queue(wlandevice_t *wlandev)
+{
+	if ( !wlandev ) return;
+	if ( !wlandev->netdev ) return;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
+	wlandev->netdev->tbusy = 1;
+	wlandev->netdev->start = 0;
+#else
+	netif_stop_queue(wlandev->netdev);
+#endif
+}
+
+static inline void
+p80211netdev_start_queue(wlandevice_t *wlandev)
+{
+	if ( !wlandev ) return;
+	if ( !wlandev->netdev ) return;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
+	wlandev->netdev->tbusy = 0;
+	wlandev->netdev->start = 1;
+#else
+	netif_start_queue(wlandev->netdev);
+#endif
+}
+
+static inline void
+p80211netdev_wake_queue(wlandevice_t *wlandev)
+{
+	if ( !wlandev ) return;
+	if ( !wlandev->netdev ) return;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
+	wlandev->netdev->tbusy = 0;
+	mark_bh(NET_BH);
+#else
+	netif_wake_queue(wlandev->netdev);
+#endif
+}
+
+#ifdef CONFIG_HOTPLUG
+#define WLAN_HOTPLUG_REGISTER "register"
+#define WLAN_HOTPLUG_REMOVE   "remove"
+#define WLAN_HOTPLUG_STARTUP  "startup"
+#define WLAN_HOTPLUG_SHUTDOWN "shutdown"
+#define WLAN_HOTPLUG_SUSPEND "suspend"
+#define WLAN_HOTPLUG_RESUME "resume"
+int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action);
+#endif
+
+#endif
diff --git a/drivers/staging/wlan-ng/p80211req.c b/drivers/staging/wlan-ng/p80211req.c
new file mode 100644
index 00000000000..0233abeccc4
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211req.c
@@ -0,0 +1,329 @@
+/* src/p80211/p80211req.c
+*
+* Request/Indication/MacMgmt interface handling functions
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file contains the functions, types, and macros to support the
+* MLME request interface that's implemented via the device ioctls.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/skbuff.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <net/sock.h>
+#include <linux/netlink.h>
+
+#include "version.h"
+#include "wlan_compat.h"
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211mgmt.h"
+#include "p80211conv.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211ioctl.h"
+#include "p80211metadef.h"
+#include "p80211metastruct.h"
+#include "p80211req.h"
+
+/*================================================================*/
+/* Local Constants */
+
+/* Maximum amount of time we'll wait for a request to complete */
+#define P80211REQ_MAXTIME	3*HZ	/* 3 seconds */
+
+/*================================================================*/
+/* Local Macros */
+
+/*================================================================*/
+/* Local Types */
+
+/*================================================================*/
+/* Local Static Definitions */
+
+/*================================================================*/
+/* Local Function Declarations */
+
+static void p80211req_handlemsg( wlandevice_t *wlandev, p80211msg_t *msg);
+static int p80211req_mibset_mibget(wlandevice_t *wlandev, p80211msg_dot11req_mibget_t *mib_msg, int isget);
+
+/*================================================================*/
+/* Function Definitions */
+
+
+/*----------------------------------------------------------------
+* p80211req_dorequest
+*
+* Handles an MLME reqest/confirm message.
+*
+* Arguments:
+*	wlandev		WLAN device struct
+*	msgbuf		Buffer containing a request message
+*
+* Returns:
+*	0 on success, an errno otherwise
+*
+* Call context:
+*	Potentially blocks the caller, so it's a good idea to
+*	not call this function from an interrupt context.
+----------------------------------------------------------------*/
+int p80211req_dorequest( wlandevice_t *wlandev, UINT8 *msgbuf)
+{
+	int		result = 0;
+	p80211msg_t	*msg = (p80211msg_t*)msgbuf;
+
+	DBFENTER;
+
+	/* Check to make sure the MSD is running */
+	if (
+	!((wlandev->msdstate == WLAN_MSD_HWPRESENT &&
+	msg->msgcode == DIDmsg_lnxreq_ifstate) ||
+	wlandev->msdstate == WLAN_MSD_RUNNING ||
+	wlandev->msdstate == WLAN_MSD_FWLOAD) ) {
+		return -ENODEV;
+	}
+
+	/* Check Permissions */
+	if (!capable(CAP_NET_ADMIN) &&
+	    (msg->msgcode != DIDmsg_dot11req_mibget)) {
+		WLAN_LOG_ERROR("%s: only dot11req_mibget allowed for non-root.\n", wlandev->name);
+		return -EPERM;
+	}
+
+	/* Check for busy status */
+	if ( test_and_set_bit(1, &(wlandev->request_pending))) {
+		return -EBUSY;
+	}
+
+	/* Allow p80211 to look at msg and handle if desired. */
+	/* So far, all p80211 msgs are immediate, no waitq/timer necessary */
+	/* This may change. */
+	p80211req_handlemsg(wlandev, msg);
+
+	/* Pass it down to wlandev via wlandev->mlmerequest */
+	if ( wlandev->mlmerequest != NULL )
+		wlandev->mlmerequest(wlandev, msg);
+
+	clear_bit( 1, &(wlandev->request_pending));
+	DBFEXIT;
+	return result;	/* if result==0, msg->status still may contain an err */
+}
+
+/*----------------------------------------------------------------
+* p80211req_handlemsg
+*
+* p80211 message handler.  Primarily looks for messages that
+* belong to p80211 and then dispatches the appropriate response.
+* TODO: we don't do anything yet.  Once the linuxMIB is better
+*	defined we'll need a get/set handler.
+*
+* Arguments:
+*	wlandev		WLAN device struct
+*	msg		message structure
+*
+* Returns:
+*	nothing (any results are set in the status field of the msg)
+*
+* Call context:
+*	Process thread
+----------------------------------------------------------------*/
+static void p80211req_handlemsg( wlandevice_t *wlandev, p80211msg_t *msg)
+{
+        DBFENTER;
+
+	switch (msg->msgcode) {
+
+	case DIDmsg_lnxreq_hostwep: {
+		p80211msg_lnxreq_hostwep_t *req = (p80211msg_lnxreq_hostwep_t*) msg;
+		wlandev->hostwep &= ~(HOSTWEP_DECRYPT|HOSTWEP_ENCRYPT);
+		if (req->decrypt.data == P80211ENUM_truth_true)
+			wlandev->hostwep |= HOSTWEP_DECRYPT;
+		if (req->encrypt.data == P80211ENUM_truth_true)
+			wlandev->hostwep |= HOSTWEP_ENCRYPT;
+
+		break;
+	}
+	case DIDmsg_dot11req_mibget:
+	case DIDmsg_dot11req_mibset: {
+		int isget = (msg->msgcode == DIDmsg_dot11req_mibget);
+		p80211msg_dot11req_mibget_t  *mib_msg = (p80211msg_dot11req_mibget_t *) msg;
+		p80211req_mibset_mibget (wlandev, mib_msg, isget);
+	}
+	default:
+		// XXX do nothing!
+		;
+	} /* switch msg->msgcode */
+
+	DBFEXIT;
+
+	return;
+}
+
+static int p80211req_mibset_mibget(wlandevice_t *wlandev,
+				   p80211msg_dot11req_mibget_t *mib_msg,
+				   int isget)
+{
+	p80211itemd_t   *mibitem = (p80211itemd_t *) mib_msg->mibattribute.data;
+	p80211pstrd_t  *pstr = (p80211pstrd_t*) mibitem->data;
+	UINT8 *key = mibitem->data + sizeof(p80211pstrd_t);
+
+	DBFENTER;
+
+	switch (mibitem->did) {
+	case DIDmib_dot11smt_p80211Table_p80211_ifstate: {
+		UINT32 *data = (UINT32 *) mibitem->data;
+		if (isget)
+			switch (wlandev->msdstate) {
+			case WLAN_MSD_HWPRESENT:
+				*data = P80211ENUM_ifstate_disable;
+				break;
+			case WLAN_MSD_FWLOAD:
+				*data = P80211ENUM_ifstate_fwload;
+				break;
+			case WLAN_MSD_RUNNING:
+				*data = P80211ENUM_ifstate_enable;
+				break;
+			default:
+				*data = P80211ENUM_ifstate_enable;
+			}
+		break;
+	}
+	case DIDmib_dot11phy_dot11PhyOperationTable_dot11ShortPreambleEnabled: {
+		UINT32 *data = (UINT32 *) mibitem->data;
+
+		if (isget)
+			*data = wlandev->shortpreamble;
+		else
+			wlandev->shortpreamble = *data;
+		break;
+	}
+	case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0: {
+		if (!isget)
+			wep_change_key(wlandev, 0, key, pstr->len);
+		break;
+	}
+	case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1: {
+		if (!isget)
+			wep_change_key(wlandev, 1, key, pstr->len);
+		break;
+	}
+	case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2: {
+		if (!isget)
+			wep_change_key(wlandev, 2, key, pstr->len);
+		break;
+	}
+	case DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3: {
+		if (!isget)
+			wep_change_key(wlandev, 3, key, pstr->len);
+		break;
+	}
+	case DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID: {
+		UINT32 *data = (UINT32 *) mibitem->data;
+
+		if (isget) {
+			*data = wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK;
+			} else {
+				wlandev->hostwep &= ~(HOSTWEP_DEFAULTKEY_MASK);
+
+				wlandev->hostwep |= (*data & HOSTWEP_DEFAULTKEY_MASK);
+			}
+		break;
+	}
+	case DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked: {
+		UINT32 *data = (UINT32 *) mibitem->data;
+
+		if (isget) {
+			if (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED)
+				*data = P80211ENUM_truth_true;
+			else
+				*data = P80211ENUM_truth_false;
+		} else {
+				wlandev->hostwep &= ~(HOSTWEP_PRIVACYINVOKED);
+				if (*data == P80211ENUM_truth_true)
+					wlandev->hostwep |= HOSTWEP_PRIVACYINVOKED;
+		}
+		break;
+	}
+	case DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted: {
+		UINT32 *data = (UINT32 *) mibitem->data;
+
+		if (isget) {
+			if (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED)
+				*data = P80211ENUM_truth_true;
+			else
+				*data = P80211ENUM_truth_false;
+		} else {
+			wlandev->hostwep &= ~(HOSTWEP_EXCLUDEUNENCRYPTED);
+			if (*data == P80211ENUM_truth_true)
+				wlandev->hostwep |= HOSTWEP_EXCLUDEUNENCRYPTED;
+		}
+		break;
+	}
+	default:
+		// XXXX do nothing!
+		;
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
diff --git a/drivers/staging/wlan-ng/p80211req.h b/drivers/staging/wlan-ng/p80211req.h
new file mode 100644
index 00000000000..54abdceedc5
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211req.h
@@ -0,0 +1,68 @@
+/* p80211req.h
+*
+* Request handling functions
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _LINUX_P80211REQ_H
+#define _LINUX_P80211REQ_H
+
+/*================================================================*/
+/* Constants */
+
+/*================================================================*/
+/* Macros */
+
+/*================================================================*/
+/* Types */
+
+/*================================================================*/
+/* Externs */
+
+/*================================================================*/
+/* Function Declarations */
+
+int	p80211req_dorequest(wlandevice_t *wlandev, UINT8 *msgbuf);
+
+#endif
diff --git a/drivers/staging/wlan-ng/p80211types.h b/drivers/staging/wlan-ng/p80211types.h
new file mode 100644
index 00000000000..811b0ce39bf
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211types.h
@@ -0,0 +1,675 @@
+/* p80211types.h
+*
+* Macros, constants, types, and funcs for p80211 data types
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file declares some of the constants and types used in various
+* parts of the linux-wlan system.
+*
+* Notes:
+*   - Constant values are always in HOST byte order.
+*
+* All functions and statics declared here are implemented in p80211types.c
+*   --------------------------------------------------------------------
+*/
+
+#ifndef _P80211TYPES_H
+#define _P80211TYPES_H
+
+/*================================================================*/
+/* System Includes */
+/*================================================================*/
+
+/*================================================================*/
+/* Project Includes */
+/*================================================================*/
+
+#ifndef _WLAN_COMPAT_H
+#include "wlan_compat.h"
+#endif
+
+/*================================================================*/
+/* Constants */
+/*================================================================*/
+
+/*----------------------------------------------------------------*/
+/* p80211 data type codes used for MIB items and message */
+/* arguments. The various metadata structures provide additional */
+/* information about these types. */
+
+#define P80211_TYPE_OCTETSTR		1	/* pascal array of bytes */
+#define P80211_TYPE_DISPLAYSTR		2	/* pascal array of bytes containing ascii */
+#define P80211_TYPE_INT			4	/* UINT32 min and max limited by 32 bits */
+#define P80211_TYPE_ENUMINT		5	/* UINT32 holding a numeric
+						   code that can be mapped
+						   to a textual name */
+#define P80211_TYPE_UNKDATA		6	/* Data item containing an
+						   unknown data type */
+#define P80211_TYPE_INTARRAY		7	/* Array of 32-bit integers. */
+#define P80211_TYPE_BITARRAY		8	/* Array of bits. */
+#define P80211_TYPE_MACARRAY		9	/* Array of MAC addresses. */
+
+/*----------------------------------------------------------------*/
+/* The following constants are indexes into the Mib Category List */
+/* and the Message Category List */
+
+/* Mib Category List */
+#define P80211_MIB_CAT_DOT11SMT		1
+#define P80211_MIB_CAT_DOT11MAC		2
+#define P80211_MIB_CAT_DOT11PHY		3
+
+#define P80211SEC_DOT11SMT		P80211_MIB_CAT_DOT11SMT
+#define P80211SEC_DOT11MAC		P80211_MIB_CAT_DOT11MAC
+#define P80211SEC_DOT11PHY		P80211_MIB_CAT_DOT11PHY
+
+/* Message Category List */
+#define P80211_MSG_CAT_DOT11REQ		1
+#define P80211_MSG_CAT_DOT11IND		2
+/* #define P80211_MSG_CAT_DOT11CFM		3 (doesn't exist at this time) */
+
+#define P80211SEC_DOT11REQ		P80211_MSG_CAT_DOT11REQ
+#define P80211SEC_DOT11IND		P80211_MSG_CAT_DOT11IND
+/* #define P80211SEC_DOT11CFM		P80211_MSG_CAT_DOT11CFM  (doesn't exist at this time */
+
+
+
+/*----------------------------------------------------------------*/
+/* p80211 DID field codes that represent access type and */
+/* is_table status. */
+
+#define P80211DID_ACCESS_READ		0x10000000
+#define P80211DID_ACCESS_WRITE		0x08000000
+#define P80211DID_WRITEONLY		0x00000001
+#define P80211DID_READONLY		0x00000002
+#define P80211DID_READWRITE		0x00000003
+#define P80211DID_ISTABLE_FALSE		0
+#define P80211DID_ISTABLE_TRUE		1
+
+/*----------------------------------------------------------------*/
+/* p80211 enumeration constants.  The value to text mappings for */
+/*  these is in p80211types.c.  These defines were generated */
+/*  from the mappings. */
+
+/* error codes for lookups */
+#define P80211ENUM_BAD				0xffffffffUL
+#define P80211ENUM_BADSTR			"P80211ENUM_BAD"
+
+#define P80211ENUM_truth_false			0
+#define P80211ENUM_truth_true			1
+#define P80211ENUM_ifstate_disable		0
+#define P80211ENUM_ifstate_fwload		1
+#define P80211ENUM_ifstate_enable		2
+#define P80211ENUM_powermgmt_active		1
+#define P80211ENUM_powermgmt_powersave		2
+#define P80211ENUM_bsstype_infrastructure	1
+#define P80211ENUM_bsstype_independent		2
+#define P80211ENUM_bsstype_any			3
+#define P80211ENUM_authalg_opensystem		1
+#define P80211ENUM_authalg_sharedkey		2
+#define P80211ENUM_phytype_fhss			1
+#define P80211ENUM_phytype_dsss			2
+#define P80211ENUM_phytype_irbaseband		3
+#define P80211ENUM_temptype_commercial		1
+#define P80211ENUM_temptype_industrial		2
+#define P80211ENUM_regdomain_fcc		16
+#define P80211ENUM_regdomain_doc		32
+#define P80211ENUM_regdomain_etsi		48
+#define P80211ENUM_regdomain_spain		49
+#define P80211ENUM_regdomain_france		50
+#define P80211ENUM_regdomain_mkk		64
+#define P80211ENUM_ccamode_edonly		1
+#define P80211ENUM_ccamode_csonly		2
+#define P80211ENUM_ccamode_edandcs		4
+#define P80211ENUM_ccamode_cswithtimer		8
+#define P80211ENUM_ccamode_hrcsanded		16
+#define P80211ENUM_diversity_fixedlist		1
+#define P80211ENUM_diversity_notsupported	2
+#define P80211ENUM_diversity_dynamic		3
+#define P80211ENUM_scantype_active		1
+#define P80211ENUM_scantype_passive		2
+#define P80211ENUM_scantype_both		3
+#define P80211ENUM_resultcode_success		1
+#define P80211ENUM_resultcode_invalid_parameters	2
+#define P80211ENUM_resultcode_not_supported	3
+#define P80211ENUM_resultcode_timeout		4
+#define P80211ENUM_resultcode_too_many_req	5
+#define P80211ENUM_resultcode_refused		6
+#define P80211ENUM_resultcode_bss_already	7
+#define P80211ENUM_resultcode_invalid_access	8
+#define P80211ENUM_resultcode_invalid_mibattribute	9
+#define P80211ENUM_resultcode_cant_set_readonly_mib	10
+#define P80211ENUM_resultcode_implementation_failure	11
+#define P80211ENUM_resultcode_cant_get_writeonly_mib	12
+#define P80211ENUM_reason_unspec_reason		1
+#define P80211ENUM_reason_auth_not_valid	2
+#define P80211ENUM_reason_deauth_lv_ss		3
+#define P80211ENUM_reason_inactivity		4
+#define P80211ENUM_reason_ap_overload		5
+#define P80211ENUM_reason_class23_err		6
+#define P80211ENUM_reason_class3_err		7
+#define P80211ENUM_reason_disas_lv_ss		8
+#define P80211ENUM_reason_asoc_not_auth		9
+#define P80211ENUM_status_successful		0
+#define P80211ENUM_status_unspec_failure	1
+#define P80211ENUM_status_unsup_cap		10
+#define P80211ENUM_status_reasoc_no_asoc	11
+#define P80211ENUM_status_fail_other		12
+#define P80211ENUM_status_unspt_alg		13
+#define P80211ENUM_status_auth_seq_fail		14
+#define P80211ENUM_status_chlng_fail		15
+#define P80211ENUM_status_auth_timeout		16
+#define P80211ENUM_status_ap_full		17
+#define P80211ENUM_status_unsup_rate		18
+#define P80211ENUM_status_unsup_shortpreamble	19
+#define P80211ENUM_status_unsup_pbcc		20
+#define P80211ENUM_status_unsup_agility		21
+#define P80211ENUM_msgitem_status_data_ok		0
+#define P80211ENUM_msgitem_status_no_value		1
+#define P80211ENUM_msgitem_status_invalid_itemname	2
+#define P80211ENUM_msgitem_status_invalid_itemdata	3
+#define P80211ENUM_msgitem_status_missing_itemdata	4
+#define P80211ENUM_msgitem_status_incomplete_itemdata	5
+#define P80211ENUM_msgitem_status_invalid_msg_did	6
+#define P80211ENUM_msgitem_status_invalid_mib_did	7
+#define P80211ENUM_msgitem_status_missing_conv_func	8
+#define P80211ENUM_msgitem_status_string_too_long	9
+#define P80211ENUM_msgitem_status_data_out_of_range	10
+#define P80211ENUM_msgitem_status_string_too_short	11
+#define P80211ENUM_msgitem_status_missing_valid_func	12
+#define P80211ENUM_msgitem_status_unknown		13
+#define P80211ENUM_msgitem_status_invalid_did		14
+#define P80211ENUM_msgitem_status_missing_print_func	15
+
+#define P80211ENUM_lnxroam_reason_unknown        0
+#define P80211ENUM_lnxroam_reason_beacon         1
+#define P80211ENUM_lnxroam_reason_signal         2
+#define P80211ENUM_lnxroam_reason_txretry        3
+#define P80211ENUM_lnxroam_reason_notjoined      4
+
+#define P80211ENUM_p2preamble_long               0
+#define P80211ENUM_p2preamble_short              2
+#define P80211ENUM_p2preamble_mixed              3
+
+/*----------------------------------------------------------------*/
+/* p80211 max length constants for the different pascal strings. */
+
+#define MAXLEN_PSTR6		(6)	/* pascal array of 6 bytes */
+#define MAXLEN_PSTR14		(14)	/* pascal array of 14 bytes */
+#define MAXLEN_PSTR32		(32)	/* pascal array of 32 bytes */
+#define MAXLEN_PSTR255		(255)	/* pascal array of 255 bytes */
+#define MAXLEN_MIBATTRIBUTE	(392)	/* maximum mibattribute */
+					/* where the size of the DATA itself */
+					/* is a DID-LEN-DATA triple */
+					/* with a max size of 4+4+384 */
+
+#define P80211_SET_INT(item, value) do { \
+	(item).data   = (value); \
+	(item).status = P80211ENUM_msgitem_status_data_ok; \
+	} while(0)
+/*----------------------------------------------------------------*/
+/* string constants */
+
+#define NOT_SET			"NOT_SET"
+#define NOT_SUPPORTED		"NOT_SUPPORTED"
+#define UNKNOWN_DATA		"UNKNOWN_DATA"
+
+
+/*--------------------------------------------------------------------*/
+/*  Metadata flags  */
+
+/* MSM: Do these belong in p80211meta.h? I'm not sure. */
+
+#define ISREQUIRED		(0x80000000UL)
+#define ISREQUEST		(0x40000000UL)
+#define ISCONFIRM		(0x20000000UL)
+
+
+/*================================================================*/
+/* Macros */
+
+/*--------------------------------------------------------------------*/
+/* The following macros are used to manipulate the 'flags' field in   */
+/*  the metadata.  These are only used when the metadata is for       */
+/*  command arguments to determine if the data item is required, and  */
+/*  whether the metadata item is for a request command, confirm       */
+/*  command or both.                                                  */
+/*--------------------------------------------------------------------*/
+/* MSM: Do these belong in p80211meta.h?  I'm not sure */
+
+#define P80211ITEM_SETFLAGS(q, r, c)	( q | r | c )
+
+#define P80211ITEM_ISREQUIRED(flags)	(((UINT32)(flags & ISREQUIRED)) >> 31 )
+#define P80211ITEM_ISREQUEST(flags)	(((UINT32)(flags & ISREQUEST)) >> 30 )
+#define P80211ITEM_ISCONFIRM(flags)	(((UINT32)(flags & ISCONFIRM)) >> 29 )
+
+/*----------------------------------------------------------------*/
+/* The following macro creates a name for an enum */
+
+#define MKENUMNAME(name) p80211enum_ ## name
+
+/*----------------------------------------------------------------
+* The following constants and macros are used to construct and
+* deconstruct the Data ID codes.  The coding is as follows:
+*
+*     ...rwtnnnnnnnniiiiiiggggggssssss      s - Section
+*                                           g - Group
+*                                           i - Item
+*                                           n - Index
+*                                           t - Table flag
+*                                           w - Write flag
+*                                           r - Read flag
+*                                           . - Unused
+*/
+
+#define P80211DID_INVALID		0xffffffffUL
+#define P80211DID_VALID			0x00000000UL
+
+#define P80211DID_LSB_SECTION		(0)
+#define P80211DID_LSB_GROUP		(6)
+#define P80211DID_LSB_ITEM		(12)
+#define P80211DID_LSB_INDEX		(18)
+#define P80211DID_LSB_ISTABLE		(26)
+#define P80211DID_LSB_ACCESS 		(27)
+
+#define P80211DID_MASK_SECTION		(0x0000003fUL)
+#define P80211DID_MASK_GROUP		(0x0000003fUL)
+#define P80211DID_MASK_ITEM		(0x0000003fUL)
+#define P80211DID_MASK_INDEX		(0x000000ffUL)
+#define P80211DID_MASK_ISTABLE		(0x00000001UL)
+#define P80211DID_MASK_ACCESS 		(0x00000003UL)
+
+
+#define P80211DID_MK(a,m,l)	((((UINT32)(a)) & (m)) << (l))
+
+#define P80211DID_MKSECTION(a)	P80211DID_MK(a, \
+					P80211DID_MASK_SECTION, \
+					P80211DID_LSB_SECTION )
+#define P80211DID_MKGROUP(a)	P80211DID_MK(a, \
+					P80211DID_MASK_GROUP, \
+					P80211DID_LSB_GROUP )
+#define P80211DID_MKITEM(a)	P80211DID_MK(a, \
+					P80211DID_MASK_ITEM, \
+					P80211DID_LSB_ITEM )
+#define P80211DID_MKINDEX(a)	P80211DID_MK(a, \
+					P80211DID_MASK_INDEX, \
+					P80211DID_LSB_INDEX )
+#define P80211DID_MKISTABLE(a)	P80211DID_MK(a, \
+					P80211DID_MASK_ISTABLE, \
+					P80211DID_LSB_ISTABLE )
+
+
+#define P80211DID_MKID(s,g,i,n,t,a)	(P80211DID_MKSECTION(s) | \
+						P80211DID_MKGROUP(g) | \
+				 		P80211DID_MKITEM(i) | \
+				 		P80211DID_MKINDEX(n) | \
+						P80211DID_MKISTABLE(t) | \
+						(a) )
+
+
+#define P80211DID_GET(a,m,l)	((((UINT32)(a)) >> (l)) & (m))
+
+#define P80211DID_SECTION(a)	P80211DID_GET(a, \
+					P80211DID_MASK_SECTION, \
+					P80211DID_LSB_SECTION)
+#define P80211DID_GROUP(a)	P80211DID_GET(a, \
+					P80211DID_MASK_GROUP, \
+					P80211DID_LSB_GROUP)
+#define P80211DID_ITEM(a)	P80211DID_GET(a, \
+					P80211DID_MASK_ITEM, \
+					P80211DID_LSB_ITEM)
+#define P80211DID_INDEX(a)	P80211DID_GET(a, \
+					P80211DID_MASK_INDEX, \
+					P80211DID_LSB_INDEX)
+#define P80211DID_ISTABLE(a)	P80211DID_GET(a, \
+					P80211DID_MASK_ISTABLE, \
+					P80211DID_LSB_ISTABLE)
+#define P80211DID_ACCESS(a)	P80211DID_GET(a, \
+					P80211DID_MASK_ACCESS, \
+					P80211DID_LSB_ACCESS)
+
+/*================================================================*/
+/* Types */
+
+/*----------------------------------------------------------------*/
+/* The following structure types are used for the represenation */
+/*  of ENUMINT type metadata. */
+
+typedef struct p80211enumpair
+{
+	UINT32			val;
+	char			*name;
+} p80211enumpair_t;
+
+typedef struct p80211enum
+{
+	INT			nitems;
+	p80211enumpair_t	*list;
+} p80211enum_t;
+
+/*----------------------------------------------------------------*/
+/* The following structure types are used to store data items in */
+/*  messages. */
+
+/* Template pascal string */
+typedef struct p80211pstr
+{
+	UINT8		len;
+} __WLAN_ATTRIB_PACK__ p80211pstr_t;
+
+typedef struct p80211pstrd
+{
+	UINT8		len;
+	UINT8		data[0];
+} __WLAN_ATTRIB_PACK__ p80211pstrd_t;
+
+/* Maximum pascal string */
+typedef struct p80211pstr255
+{
+	UINT8		len;
+	UINT8		data[MAXLEN_PSTR255];
+} __WLAN_ATTRIB_PACK__ p80211pstr255_t;
+
+/* pascal string for macaddress and bssid */
+typedef struct p80211pstr6
+{
+	UINT8		len;
+	UINT8		data[MAXLEN_PSTR6];
+} __WLAN_ATTRIB_PACK__ p80211pstr6_t;
+
+/* pascal string for channel list */
+typedef struct p80211pstr14
+{
+	UINT8		len;
+	UINT8		data[MAXLEN_PSTR14];
+} __WLAN_ATTRIB_PACK__ p80211pstr14_t;
+
+/* pascal string for ssid */
+typedef struct p80211pstr32
+{
+	UINT8		len;
+	UINT8		data[MAXLEN_PSTR32];
+} __WLAN_ATTRIB_PACK__ p80211pstr32_t;
+
+/* MAC address array */
+typedef struct p80211macarray
+{
+	UINT32		cnt;
+	UINT8		data[1][MAXLEN_PSTR6];
+} __WLAN_ATTRIB_PACK__ p80211macarray_t;
+
+/* prototype template */
+typedef struct p80211item
+{
+	UINT32		did;
+	UINT16		status;
+	UINT16		len;
+} __WLAN_ATTRIB_PACK__ p80211item_t;
+
+/* prototype template w/ data item */
+typedef struct p80211itemd
+{
+	UINT32		did;
+	UINT16		status;
+	UINT16		len;
+	UINT8		data[0];
+} __WLAN_ATTRIB_PACK__ p80211itemd_t;
+
+/* message data item for INT, BOUNDEDINT, ENUMINT */
+typedef struct p80211item_uint32
+{
+	UINT32		did;
+	UINT16		status;
+	UINT16		len;
+	UINT32		data;
+} __WLAN_ATTRIB_PACK__ p80211item_uint32_t;
+
+/* message data item for OCTETSTR, DISPLAYSTR */
+typedef struct p80211item_pstr6
+{
+	UINT32		did;
+	UINT16		status;
+	UINT16		len;
+	p80211pstr6_t	data;
+} __WLAN_ATTRIB_PACK__ p80211item_pstr6_t;
+
+/* message data item for OCTETSTR, DISPLAYSTR */
+typedef struct p80211item_pstr14
+{
+	UINT32			did;
+	UINT16			status;
+	UINT16			len;
+	p80211pstr14_t		data;
+} __WLAN_ATTRIB_PACK__ p80211item_pstr14_t;
+
+/* message data item for OCTETSTR, DISPLAYSTR */
+typedef struct p80211item_pstr32
+{
+	UINT32			did;
+	UINT16			status;
+	UINT16			len;
+	p80211pstr32_t		data;
+} __WLAN_ATTRIB_PACK__ p80211item_pstr32_t;
+
+/* message data item for OCTETSTR, DISPLAYSTR */
+typedef struct p80211item_pstr255
+{
+	UINT32			did;
+	UINT16			status;
+	UINT16			len;
+	p80211pstr255_t		data;
+} __WLAN_ATTRIB_PACK__ p80211item_pstr255_t;
+
+/* message data item for UNK 392, namely mib items */
+typedef struct  p80211item_unk392
+{
+	UINT32		did;
+	UINT16		status;
+	UINT16		len;
+	UINT8		data[MAXLEN_MIBATTRIBUTE];
+} __WLAN_ATTRIB_PACK__ p80211item_unk392_t;
+
+/* message data item for UNK 1025, namely p2 pdas */
+typedef struct  p80211item_unk1024
+{
+	UINT32		did;
+	UINT16		status;
+	UINT16		len;
+	UINT8		data[1024];
+}  __WLAN_ATTRIB_PACK__ p80211item_unk1024_t;
+
+/* message data item for UNK 4096, namely p2 download chunks */
+typedef struct  p80211item_unk4096
+{
+	UINT32		did;
+	UINT16		status;
+	UINT16		len;
+	UINT8		data[4096];
+}  __WLAN_ATTRIB_PACK__ p80211item_unk4096_t;
+
+struct catlistitem;
+
+/*----------------------------------------------------------------*/
+/* The following structure type is used to represent all of the */
+/*  metadata items.  Some components may choose to use more, */
+/*  less or different metadata items. */
+
+typedef void (*p80211_totext_t)( struct catlistitem *, UINT32 did, UINT8* itembuf, char *textbuf);
+typedef void (*p80211_fromtext_t)( struct catlistitem *, UINT32 did, UINT8* itembuf, char *textbuf);
+typedef UINT32 (*p80211_valid_t)( struct catlistitem *, UINT32 did, UINT8* itembuf);
+
+
+/*================================================================*/
+/* Extern Declarations */
+
+/*----------------------------------------------------------------*/
+/* Enumeration Lists */
+/*  The following are the external declarations */
+/*  for all enumerations  */
+
+extern p80211enum_t MKENUMNAME(truth);
+extern p80211enum_t MKENUMNAME(ifstate);
+extern p80211enum_t MKENUMNAME(powermgmt);
+extern p80211enum_t MKENUMNAME(bsstype);
+extern p80211enum_t MKENUMNAME(authalg);
+extern p80211enum_t MKENUMNAME(phytype);
+extern p80211enum_t MKENUMNAME(temptype);
+extern p80211enum_t MKENUMNAME(regdomain);
+extern p80211enum_t MKENUMNAME(ccamode);
+extern p80211enum_t MKENUMNAME(diversity);
+extern p80211enum_t MKENUMNAME(scantype);
+extern p80211enum_t MKENUMNAME(resultcode);
+extern p80211enum_t MKENUMNAME(reason);
+extern p80211enum_t MKENUMNAME(status);
+extern p80211enum_t MKENUMNAME(msgcode);
+extern p80211enum_t MKENUMNAME(msgitem_status);
+
+extern p80211enum_t MKENUMNAME(lnxroam_reason);
+
+extern p80211enum_t MKENUMNAME(p2preamble);
+
+/*================================================================*/
+/* Function Declarations */
+
+/*----------------------------------------------------------------*/
+/* The following declare some utility functions for use with the */
+/*  p80211enum_t type. */
+
+UINT32 p80211enum_text2int(p80211enum_t *ep, char *text);
+UINT32 p80211enum_int2text(p80211enum_t *ep, UINT32 val, char *text);
+void p80211_error2text(int err_code, char *err_str);
+
+/*----------------------------------------------------------------*/
+/* The following declare some utility functions for use with the */
+/*  p80211item_t and p80211meta_t types. */
+
+/*----------------------------------------------------------------*/
+/* The following declare functions that perform validation and    */
+/* text to binary conversions based on the metadata for interface */
+/* and MIB data items.                                            */
+/*----------------------------------------------------------------*/
+
+/*-- DISPLAYSTR ------------------------------------------------------*/
+/* pstr ==> cstr */
+void p80211_totext_displaystr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* cstr ==> pstr */
+void p80211_fromtext_displaystr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of a displaystr binary value */
+UINT32 p80211_isvalid_displaystr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+/*-- OCTETSTR --------------------------------------------------------*/
+/* pstr ==> "xx:xx:...." */
+void p80211_totext_octetstr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* "xx:xx:...." ==> pstr */
+void p80211_fromtext_octetstr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of an octetstr binary value */
+UINT32 p80211_isvalid_octetstr( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+/*-- INT -------------------------------------------------------------*/
+/* UINT32 ==> %d */
+void p80211_totext_int( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* %d ==> UINT32 */
+void p80211_fromtext_int( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of an int's binary value (always successful) */
+UINT32 p80211_isvalid_int( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+/*-- ENUMINT ---------------------------------------------------------*/
+/* UINT32 ==> <valuename> */
+void p80211_totext_enumint( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* <valuename> ==> UINT32 */
+void p80211_fromtext_enumint( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of an enum's binary value */
+UINT32 p80211_isvalid_enumint( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+/*-- INTARRAY --------------------------------------------------------*/
+/* UINT32[] => %d,%d,%d,... */
+void p80211_totext_intarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* %d,%d,%d,... ==> UINT32[] */
+void p80211_fromtext_intarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of an integer array's value */
+UINT32 p80211_isvalid_intarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+/*-- BITARRAY --------------------------------------------------------*/
+/* UINT32 ==> %d,%d,%d,... */
+void p80211_totext_bitarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* %d,%d,%d,... ==> UINT32 */
+void p80211_fromtext_bitarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of a bit array's value */
+UINT32 p80211_isvalid_bitarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+/*-- MACARRAY --------------------------------------------------------*/
+void p80211_totext_macarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+void p80211_fromtext_macarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of a MAC address array's value */
+UINT32 p80211_isvalid_macarray( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+/*-- MIBATTRIUBTE ------------------------------------------------------*/
+/* <mibvalue> ==> <textual representation identified in MIB metadata> */
+void p80211_totext_getmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+void p80211_totext_setmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+
+/* <textual representation identified in MIB metadata> ==> <mibvalue> */
+void p80211_fromtext_getmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+void p80211_fromtext_setmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf, char *textbuf );
+
+/* function that checks validity of a mibitem's binary value */
+UINT32 p80211_isvalid_getmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+UINT32 p80211_isvalid_setmibattribute( struct catlistitem *metalist, UINT32 did, UINT8 *itembuf );
+
+#endif /* _P80211TYPES_H */
+
diff --git a/drivers/staging/wlan-ng/p80211wep.c b/drivers/staging/wlan-ng/p80211wep.c
new file mode 100644
index 00000000000..53fe2985971
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211wep.c
@@ -0,0 +1,317 @@
+/* src/p80211/p80211wep.c
+*
+* WEP encode/decode for P80211.
+*
+* Copyright (C) 2002 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+
+
+#include <linux/version.h>
+
+#include <linux/netdevice.h>
+#include <linux/wireless.h>
+#include <linux/slab.h>
+#include <linux/random.h>
+
+#include "version.h"
+#include "wlan_compat.h"
+
+// #define WEP_DEBUG
+
+/*================================================================*/
+/* Project Includes */
+
+#include "version.h"
+#include "p80211hdr.h"
+#include "p80211types.h"
+#include "p80211msg.h"
+#include "p80211conv.h"
+#include "p80211netdev.h"
+
+/*================================================================*/
+/* Local Constants */
+
+#define SSWAP(a,b) {UINT8 tmp = s[a]; s[a] = s[b]; s[b] = tmp;}
+#define WEP_KEY(x)       (((x) & 0xC0) >> 6)
+
+/*================================================================*/
+/* Local Macros */
+
+
+/*================================================================*/
+/* Local Types */
+
+
+/*================================================================*/
+/* Local Static Definitions */
+
+static const UINT32 wep_crc32_table[256] = {
+        0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
+        0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
+        0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
+        0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
+        0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
+        0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
+        0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
+        0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
+        0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
+        0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
+        0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
+        0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
+        0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
+        0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
+        0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
+        0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
+        0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
+        0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
+        0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
+        0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
+        0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
+        0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
+        0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
+        0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
+        0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
+        0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
+        0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
+        0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
+        0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
+        0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
+        0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
+        0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
+        0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
+        0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
+        0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
+        0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
+        0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
+        0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
+        0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
+        0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
+        0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
+        0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
+        0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
+        0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
+        0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
+        0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
+        0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
+        0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
+        0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
+        0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
+        0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
+        0x2d02ef8dL
+};
+
+/*================================================================*/
+/* Local Function Declarations */
+
+/*================================================================*/
+/* Function Definitions */
+
+/* keylen in bytes! */
+
+int wep_change_key(wlandevice_t *wlandev, int keynum, UINT8* key, int keylen)
+{
+	if (keylen < 0)  return -1;
+	if (keylen >= MAX_KEYLEN) return -1;
+	if (key == NULL) return -1;
+	if (keynum < 0)  return -1;
+	if (keynum >= NUM_WEPKEYS) return -1;
+
+
+#ifdef WEP_DEBUG
+	printk(KERN_DEBUG "WEP key %d len %d = %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", keynum, keylen, key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]);
+#endif
+
+	wlandev->wep_keylens[keynum] = keylen;
+	memcpy(wlandev->wep_keys[keynum], key, keylen);
+
+	return 0;
+}
+
+/*
+  4-byte IV at start of buffer, 4-byte ICV at end of buffer.
+  if successful, buf start is payload begin, length -= 8;
+ */
+int wep_decrypt(wlandevice_t *wlandev, UINT8 *buf, UINT32 len, int key_override, UINT8 *iv, UINT8 *icv)
+{
+	UINT32 i, j, k, crc, keylen;
+	UINT8 s[256], key[64], c_crc[4];
+	UINT8 keyidx;
+
+	/* Needs to be at least 8 bytes of payload */
+	if (len <= 0) return -1;
+
+	/* initialize the first bytes of the key from the IV */
+	key[0] = iv[0];
+	key[1] = iv[1];
+	key[2] = iv[2];
+	keyidx = WEP_KEY(iv[3]);
+
+	if (key_override >= 0)
+		keyidx = key_override;
+
+	if (keyidx >= NUM_WEPKEYS) return -2;
+
+	keylen = wlandev->wep_keylens[keyidx];
+
+	if (keylen == 0) return -3;
+
+	/* copy the rest of the key over from the designated key */
+	memcpy(key+3, wlandev->wep_keys[keyidx], keylen);
+
+	keylen+=3;  /* add in IV bytes */
+
+#ifdef WEP_DEBUG
+	printk(KERN_DEBUG "D %d: %02x %02x %02x (%d %d) %02x:%02x:%02x:%02x:%02x\n", len, key[0], key[1], key[2], keyidx, keylen, key[3], key[4], key[5], key[6], key[7]);
+#endif
+
+	/* set up the RC4 state */
+	for (i = 0; i < 256; i++)
+		s[i] = i;
+	j = 0;
+	for (i = 0; i < 256; i++) {
+		j = (j + s[i] + key[i % keylen]) & 0xff;
+		SSWAP(i,j);
+	}
+
+	/* Apply the RC4 to the data, update the CRC32 */
+	crc = ~0;
+	i = j = 0;
+	for (k = 0; k < len; k++) {
+		i = (i+1) & 0xff;
+		j = (j+s[i]) & 0xff;
+		SSWAP(i,j);
+		buf[k] ^= s[(s[i] + s[j]) & 0xff];
+		crc = wep_crc32_table[(crc ^ buf[k]) & 0xff] ^ (crc >> 8);
+	}
+	crc = ~crc;
+
+	/* now let's check the crc */
+	c_crc[0] = crc;
+	c_crc[1] = crc >> 8;
+	c_crc[2] = crc >> 16;
+	c_crc[3] = crc >> 24;
+
+	for (k = 0; k < 4; k++) {
+		i = (i + 1) & 0xff;
+		j = (j+s[i]) & 0xff;
+		SSWAP(i,j);
+		if ((c_crc[k] ^ s[(s[i] + s[j]) & 0xff]) != icv[k])
+			return -(4 | (k << 4)) ; /* ICV mismatch */
+	}
+
+	return 0;
+}
+
+/* encrypts in-place. */
+int wep_encrypt(wlandevice_t *wlandev, UINT8 *buf, UINT8 *dst, UINT32 len, int keynum, UINT8 *iv, UINT8 *icv)
+{
+	UINT32 i, j, k, crc, keylen;
+	UINT8 s[256], key[64];
+
+	/* no point in WEPping an empty frame */
+	if (len <= 0) return -1;
+
+	/* we need to have a real key.. */
+	if (keynum >= NUM_WEPKEYS) return -2;
+	keylen = wlandev->wep_keylens[keynum];
+	if (keylen <= 0) return -3;
+
+	/* use a random IV.  And skip known weak ones. */
+	get_random_bytes(iv, 3);
+	while ((iv[1] == 0xff) && (iv[0] >= 3) && (iv[0] < keylen))
+		get_random_bytes(iv, 3);
+
+	iv[3] = (keynum & 0x03) << 6;
+
+	key[0] = iv[0];
+	key[1] = iv[1];
+	key[2] = iv[2];
+
+	/* copy the rest of the key over from the designated key */
+	memcpy(key+3, wlandev->wep_keys[keynum], keylen);
+
+	keylen+=3;  /* add in IV bytes */
+
+#ifdef WEP_DEBUG
+	printk(KERN_DEBUG "E %d (%d/%d %d) %02x %02x %02x %02x:%02x:%02x:%02x:%02x\n", len,  iv[3], keynum, keylen, key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]);
+#endif
+
+	/* set up the RC4 state */
+	for (i = 0; i < 256; i++)
+		s[i] = i;
+	j = 0;
+	for (i = 0; i < 256; i++) {
+		j = (j + s[i] + key[i % keylen]) & 0xff;
+		SSWAP(i,j);
+	}
+
+	/* Update CRC32 then apply RC4 to the data */
+	crc = ~0;
+	i = j = 0;
+	for (k = 0; k < len; k++) {
+		crc = wep_crc32_table[(crc ^ buf[k]) & 0xff] ^ (crc >> 8);
+		i = (i+1) & 0xff;
+		j = (j+s[i]) & 0xff;
+		SSWAP(i,j);
+		dst[k] = buf[k] ^ s[(s[i] + s[j]) & 0xff];
+	}
+	crc = ~crc;
+
+	/* now let's encrypt the crc */
+	icv[0] = crc;
+	icv[1] = crc >> 8;
+	icv[2] = crc >> 16;
+	icv[3] = crc >> 24;
+
+	for (k = 0; k < 4; k++) {
+		i = (i + 1) & 0xff;
+		j = (j+s[i]) & 0xff;
+		SSWAP(i,j);
+		icv[k] ^= s[(s[i] + s[j]) & 0xff];
+	}
+
+	return 0;
+}
diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c
new file mode 100644
index 00000000000..906ba439237
--- /dev/null
+++ b/drivers/staging/wlan-ng/p80211wext.c
@@ -0,0 +1,2048 @@
+/* src/p80211/p80211wext.c
+*
+* Glue code to make linux-wlan-ng a happy wireless extension camper.
+*
+* original author:  Reyk Floeter <reyk@synack.de>
+* Completely re-written by Solomon Peachy <solomon@linux-wlan.com>
+*
+* Copyright (C) 2002 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+
+
+#include <linux/version.h>
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/wireless.h>
+#if WIRELESS_EXT > 12
+#include <net/iw_handler.h>
+#endif
+#include <linux/if_arp.h>
+#include <asm/bitops.h>
+#include <asm/uaccess.h>
+#include <asm/byteorder.h>
+
+/*================================================================*/
+/* Project Includes */
+
+#include "version.h"
+#include "wlan_compat.h"
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211conv.h"
+#include "p80211mgmt.h"
+#include "p80211msg.h"
+#include "p80211metastruct.h"
+#include "p80211metadef.h"
+#include "p80211netdev.h"
+#include "p80211ioctl.h"
+#include "p80211req.h"
+
+static int p80211wext_giwrate(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      struct iw_param *rrq, char *extra);
+static int p80211wext_giwessid(netdevice_t *dev,
+			       struct iw_request_info *info,
+			       struct iw_point *data, char *essid);
+/* compatibility to wireless extensions */
+#ifdef WIRELESS_EXT
+
+static UINT8 p80211_mhz_to_channel(UINT16 mhz)
+{
+	if (mhz >= 5000) {
+		return ((mhz - 5000) / 5);
+	}
+
+	if (mhz == 2482)
+		return 14;
+
+	if (mhz >= 2407) {
+		return ((mhz - 2407) / 5);
+	}
+
+	return 0;
+}
+
+static UINT16 p80211_channel_to_mhz(UINT8 ch, int dot11a)
+{
+
+	if (ch == 0)
+		return 0;
+	if (ch > 200)
+		return 0;
+
+	/* 5G */
+
+	if (dot11a) {
+		return (5000 + (5 * ch));
+	}
+
+	/* 2.4G */
+
+	if (ch == 14)
+		return 2484;
+
+	if ((ch < 14) && (ch > 0)) {
+		return (2407 + (5 * ch));
+	}
+
+	return 0;
+}
+
+/* taken from orinoco.c ;-) */
+static const long p80211wext_channel_freq[] = {
+	2412, 2417, 2422, 2427, 2432, 2437, 2442,
+	2447, 2452, 2457, 2462, 2467, 2472, 2484
+};
+#define NUM_CHANNELS (sizeof(p80211wext_channel_freq) / sizeof(p80211wext_channel_freq[0]))
+
+/* steal a spare bit to store the shared/opensystems state. should default to open if not set */
+#define HOSTWEP_SHAREDKEY BIT3
+
+
+/** function declarations =============== */
+
+static int qual_as_percent(int snr ) {
+  if ( snr <= 0 )
+    return 0;
+  if ( snr <= 40 )
+    return snr*5/2;
+  return 100;
+}
+
+
+
+
+static int p80211wext_dorequest(wlandevice_t *wlandev, UINT32 did, UINT32 data)
+{
+	p80211msg_dot11req_mibset_t	msg;
+	p80211item_uint32_t		mibitem;
+	int	result;
+
+	DBFENTER;
+
+	msg.msgcode = DIDmsg_dot11req_mibset;
+	mibitem.did = did;
+	mibitem.data = data;
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	DBFEXIT;
+	return result;
+}
+
+static int p80211wext_autojoin(wlandevice_t *wlandev)
+{
+	p80211msg_lnxreq_autojoin_t     msg;
+	struct iw_point			data;
+	char ssid[IW_ESSID_MAX_SIZE];
+
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	/* Get ESSID */
+	result = p80211wext_giwessid(wlandev->netdev, NULL, &data, ssid);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	if ( wlandev->hostwep & HOSTWEP_SHAREDKEY )
+	  msg.authtype.data = P80211ENUM_authalg_sharedkey;
+	else
+	  msg.authtype.data = P80211ENUM_authalg_opensystem;
+
+	msg.msgcode = DIDmsg_lnxreq_autojoin;
+
+	/* Trim the last '\0' to fit the SSID format */
+
+	if (data.length && ssid[data.length-1] == '\0') {
+		data.length = data.length - 1;
+	}
+
+	memcpy(msg.ssid.data.data, ssid, data.length);
+	msg.ssid.data.len = data.length;
+
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+exit:
+
+	DBFEXIT;
+	return err;
+
+}
+
+/* called by /proc/net/wireless */
+struct iw_statistics* p80211wext_get_wireless_stats (netdevice_t *dev)
+{
+	p80211msg_lnxreq_commsquality_t  quality;
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	struct iw_statistics* wstats = &wlandev->wstats;
+	int retval;
+
+	DBFENTER;
+	/* Check */
+	if ( (wlandev == NULL) || (wlandev->msdstate != WLAN_MSD_RUNNING) )
+		return NULL;
+
+	/* XXX Only valid in station mode */
+	wstats->status = 0;
+
+	/* build request message */
+	quality.msgcode = DIDmsg_lnxreq_commsquality;
+	quality.dbm.data = P80211ENUM_truth_true;
+	quality.dbm.status = P80211ENUM_msgitem_status_data_ok;
+
+	/* send message to nsd */
+	if ( wlandev->mlmerequest == NULL )
+		return NULL;
+
+	retval = wlandev->mlmerequest(wlandev, (p80211msg_t*) &quality);
+
+	wstats->qual.qual = qual_as_percent(quality.link.data);    /* overall link quality */
+	wstats->qual.level = quality.level.data;  /* instant signal level */
+	wstats->qual.noise = quality.noise.data;  /* instant noise level */
+
+#if WIRELESS_EXT > 18
+	wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
+#else
+	wstats->qual.updated = 7;
+#endif
+	wstats->discard.code = wlandev->rx.decrypt_err;
+	wstats->discard.nwid = 0;
+	wstats->discard.misc = 0;
+
+#if WIRELESS_EXT > 11
+	wstats->discard.fragment = 0;  // incomplete fragments
+	wstats->discard.retries = 0;   // tx retries.
+	wstats->miss.beacon = 0;
+#endif
+
+	DBFEXIT;
+
+	return wstats;
+}
+
+static int p80211wext_giwname(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      char *name, char *extra)
+{
+	struct iw_param rate;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	result = p80211wext_giwrate(dev, NULL, &rate, NULL);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	switch (rate.value) {
+	case 1000000:
+	case 2000000:
+		strcpy(name, "IEEE 802.11-DS");
+		break;
+	case 5500000:
+	case 11000000:
+		strcpy(name, "IEEE 802.11-b");
+		break;
+	}
+exit:
+	DBFEXIT;
+	return err;
+}
+
+static int p80211wext_giwfreq(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      struct iw_freq *freq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	if (mibitem.data > NUM_CHANNELS) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	/* convert into frequency instead of a channel */
+	freq->e = 1;
+	freq->m = p80211_channel_to_mhz(mibitem.data, 0) * 100000;
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+static int p80211wext_siwfreq(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      struct iw_freq *freq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	msg.msgcode = DIDmsg_dot11req_mibset;
+	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
+	mibitem.status = P80211ENUM_msgitem_status_data_ok;
+
+	if ( (freq->e == 0) && (freq->m <= 1000) )
+		mibitem.data = freq->m;
+	else
+		mibitem.data = p80211_mhz_to_channel(freq->m);
+
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+#if WIRELESS_EXT > 8
+
+static int p80211wext_giwmode(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      __u32 *mode, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+
+	DBFENTER;
+
+	switch (wlandev->macmode) {
+	case WLAN_MACMODE_IBSS_STA:
+		*mode = IW_MODE_ADHOC;
+		break;
+	case WLAN_MACMODE_ESS_STA:
+		*mode = IW_MODE_INFRA;
+		break;
+	case WLAN_MACMODE_ESS_AP:
+		*mode = IW_MODE_MASTER;
+		break;
+	default:
+		/* Not set yet. */
+		*mode = IW_MODE_AUTO;
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+static int p80211wext_siwmode(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      __u32 *mode, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int 	result;
+	int     err = 0;
+
+	DBFENTER;
+
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
+	    *mode != IW_MODE_MASTER) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	/* Operation mode is the same with current mode */
+	if (*mode == wlandev->macmode)
+		goto exit;
+
+	switch (*mode) {
+	case IW_MODE_ADHOC:
+		wlandev->macmode = WLAN_MACMODE_IBSS_STA;
+		break;
+	case IW_MODE_INFRA:
+		wlandev->macmode = WLAN_MACMODE_ESS_STA;
+		break;
+	case IW_MODE_MASTER:
+		wlandev->macmode = WLAN_MACMODE_ESS_AP;
+		break;
+	default:
+		/* Not set yet. */
+		WLAN_LOG_INFO("Operation mode: %d not support\n", *mode);
+		return -EOPNOTSUPP;
+	}
+
+	/* Set Operation mode to the PORT TYPE RID */
+
+#warning "get rid of p2mib here"
+
+	msg.msgcode = DIDmsg_dot11req_mibset;
+	mibitem.did = DIDmib_p2_p2Static_p2CnfPortType;
+	mibitem.data = (*mode == IW_MODE_ADHOC) ? 0 : 1;
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result)
+		err = -EFAULT;
+
+ exit:
+	DBFEXIT;
+
+	return err;
+}
+
+
+static int p80211wext_giwrange(netdevice_t *dev,
+			       struct iw_request_info *info,
+			       struct iw_point *data, char *extra)
+{
+        struct iw_range *range = (struct iw_range *) extra;
+	int i, val;
+
+	DBFENTER;
+
+	// for backward compatability set size & zero everything we don't understand
+	data->length = sizeof(*range);
+	memset(range,0,sizeof(*range));
+
+#if WIRELESS_EXT > 9
+	range->txpower_capa = IW_TXPOW_DBM;
+	// XXX what about min/max_pmp, min/max_pmt, etc.
+#endif
+
+#if WIRELESS_EXT > 10
+	range->we_version_compiled = WIRELESS_EXT;
+	range->we_version_source = 13;
+
+	range->retry_capa = IW_RETRY_LIMIT;
+	range->retry_flags = IW_RETRY_LIMIT;
+	range->min_retry = 0;
+	range->max_retry = 255;
+#endif /* WIRELESS_EXT > 10 */
+
+#if WIRELESS_EXT > 16
+        range->event_capa[0] = (IW_EVENT_CAPA_K_0 |  //mode/freq/ssid
+                                IW_EVENT_CAPA_MASK(SIOCGIWAP) |
+                                IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
+        range->event_capa[1] = IW_EVENT_CAPA_K_1;  //encode
+        range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVQUAL) |
+                                IW_EVENT_CAPA_MASK(IWEVCUSTOM) );
+#endif
+
+	range->num_channels = NUM_CHANNELS;
+
+	/* XXX need to filter against the regulatory domain &| active set */
+	val = 0;
+	for (i = 0; i < NUM_CHANNELS ; i++) {
+		range->freq[val].i = i + 1;
+		range->freq[val].m = p80211wext_channel_freq[i] * 100000;
+		range->freq[val].e = 1;
+		val++;
+	}
+
+	range->num_frequency = val;
+
+	/* Max of /proc/net/wireless */
+	range->max_qual.qual = 100;
+	range->max_qual.level = 0;
+	range->max_qual.noise = 0;
+	range->sensitivity = 3;
+	// XXX these need to be nsd-specific!
+
+	range->min_rts = 0;
+	range->max_rts = 2347;
+	range->min_frag = 256;
+	range->max_frag = 2346;
+
+	range->max_encoding_tokens = NUM_WEPKEYS;
+	range->num_encoding_sizes = 2;
+	range->encoding_size[0] = 5;
+	range->encoding_size[1] = 13;
+
+	// XXX what about num_bitrates/throughput?
+	range->num_bitrates = 0;
+
+	/* estimated max throughput */
+	// XXX need to cap it if we're running at ~2Mbps..
+	range->throughput = 5500000;
+
+	DBFEXIT;
+	return 0;
+}
+#endif
+
+static int p80211wext_giwap(netdevice_t *dev,
+			    struct iw_request_info *info,
+			    struct sockaddr *ap_addr, char *extra)
+{
+
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+
+	DBFENTER;
+
+	memcpy(ap_addr->sa_data, wlandev->bssid, WLAN_BSSID_LEN);
+	ap_addr->sa_family = ARPHRD_ETHER;
+
+	DBFEXIT;
+	return 0;
+}
+
+#if WIRELESS_EXT > 8
+static int p80211wext_giwencode(netdevice_t *dev,
+				struct iw_request_info *info,
+				struct iw_point *erq, char *key)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	int err = 0;
+	int i;
+
+	DBFENTER;
+
+	if (wlandev->hostwep & HOSTWEP_PRIVACYINVOKED)
+		erq->flags = IW_ENCODE_ENABLED;
+	else
+		erq->flags = IW_ENCODE_DISABLED;
+
+	if (wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED)
+		erq->flags |= IW_ENCODE_RESTRICTED;
+	else
+		erq->flags |= IW_ENCODE_OPEN;
+
+	i = (erq->flags & IW_ENCODE_INDEX) - 1;
+
+	if (i == -1)
+		i = wlandev->hostwep & HOSTWEP_DEFAULTKEY_MASK;
+
+	if ((i < 0) || (i >= NUM_WEPKEYS)) {
+		err = -EINVAL;
+		goto exit;
+	}
+
+	erq->flags |= i + 1;
+
+	/* copy the key from the driver cache as the keys are read-only MIBs */
+	erq->length = wlandev->wep_keylens[i];
+	memcpy(key, wlandev->wep_keys[i], erq->length);
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+static int p80211wext_siwencode(netdevice_t *dev,
+				struct iw_request_info *info,
+				struct iw_point *erq, char *key)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211msg_dot11req_mibset_t	msg;
+	p80211item_pstr32_t		pstr;
+
+	int err = 0;
+	int result = 0;
+	int enable = 0;
+	int i;
+
+	DBFENTER;
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	/* Check the Key index first. */
+	if((i = (erq->flags & IW_ENCODE_INDEX))) {
+
+		if ((i < 1) || (i > NUM_WEPKEYS)) {
+			err = -EINVAL;
+			goto exit;
+		}
+		else
+			i--;
+
+		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, i);
+
+		if (result) {
+			err = -EFAULT;
+			goto exit;
+		}
+		else {
+			enable = 1;
+		}
+
+	}
+	else {
+		// Do not thing when no Key Index
+	}
+
+	/* Check if there is no key information in the iwconfig request */
+	if((erq->flags & IW_ENCODE_NOKEY) == 0 && enable == 1) {
+
+		/*------------------------------------------------------------
+		 * If there is WEP Key for setting, check the Key Information
+		 * and then set it to the firmware.
+		 -------------------------------------------------------------*/
+
+		if (erq->length > 0) {
+
+			/* copy the key from the driver cache as the keys are read-only MIBs */
+			wlandev->wep_keylens[i] = erq->length;
+			memcpy(wlandev->wep_keys[i], key, erq->length);
+
+			/* Prepare data struture for p80211req_dorequest. */
+			memcpy(pstr.data.data, key, erq->length);
+			pstr.data.len = erq->length;
+
+			switch(i)
+			{
+				case 0:
+					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
+					break;
+
+				case 1:
+					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
+					break;
+
+				case 2:
+					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
+					break;
+
+				case 3:
+					pstr.did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
+					break;
+
+				default:
+					err = -EINVAL;
+					goto exit;
+			}
+
+			msg.msgcode = DIDmsg_dot11req_mibset;
+			memcpy(&msg.mibattribute.data, &pstr, sizeof(pstr));
+			result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+			if (result) {
+				err = -EFAULT;
+				goto exit;
+			}
+		}
+
+	}
+
+	/* Check the PrivacyInvoked flag */
+	if (erq->flags & IW_ENCODE_DISABLED) {
+		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_false);
+	}
+	else if((erq->flags & IW_ENCODE_ENABLED) || enable == 1) {
+		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_true);
+	}
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	/* Check the ExcludeUnencrypted flag */
+	if (erq->flags & IW_ENCODE_RESTRICTED) {
+		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_true);
+	}
+	else if (erq->flags & IW_ENCODE_OPEN) {
+		result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_false);
+	}
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+ exit:
+
+	DBFEXIT;
+	return err;
+}
+
+static int p80211wext_giwessid(netdevice_t *dev,
+			       struct iw_request_info *info,
+			       struct iw_point *data, char *essid)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+
+	DBFENTER;
+
+	if (wlandev->ssid.len) {
+		data->length = wlandev->ssid.len;
+		data->flags = 1;
+		memcpy(essid, wlandev->ssid.data, data->length);
+		essid[data->length] = 0;
+#if (WIRELESS_EXT < 21)
+		data->length++;
+#endif
+	} else {
+	  	memset(essid, 0, sizeof(wlandev->ssid.data));
+		data->length = 0;
+		data->flags = 0;
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+static int p80211wext_siwessid(netdevice_t *dev,
+			       struct iw_request_info *info,
+			       struct iw_point *data, char *essid)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211msg_lnxreq_autojoin_t     msg;
+
+	int result;
+	int err = 0;
+	int length = data->length;
+
+	DBFENTER;
+
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+
+	if ( wlandev->hostwep & HOSTWEP_SHAREDKEY )
+	  msg.authtype.data = P80211ENUM_authalg_sharedkey;
+	else
+	  msg.authtype.data = P80211ENUM_authalg_opensystem;
+
+	msg.msgcode = DIDmsg_lnxreq_autojoin;
+
+#if (WIRELESS_EXT < 21)
+	if (length) length--;
+#endif
+
+	/* Trim the last '\0' to fit the SSID format */
+
+	if (length && essid[length-1] == '\0') {
+	  length--;
+	}
+
+	memcpy(msg.ssid.data.data, essid, length);
+	msg.ssid.data.len = length;
+
+	WLAN_LOG_DEBUG(1,"autojoin_ssid for %s \n",essid);
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+        WLAN_LOG_DEBUG(1,"autojoin_ssid %d\n",result);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+
+static int p80211wext_siwcommit(netdevice_t *dev,
+				struct iw_request_info *info,
+				struct iw_point *data, char *essid)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	int err = 0;
+
+	DBFENTER;
+
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	/* Auto Join */
+	err = p80211wext_autojoin(wlandev);
+
+ exit:
+ 	DBFEXIT;
+	return err;
+}
+
+
+static int p80211wext_giwrate(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      struct iw_param *rrq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	mibitem.did = DIDmib_p2_p2MAC_p2CurrentTxRate;
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	rrq->fixed = 0;   /* can it change? */
+	rrq->disabled = 0;
+	rrq->value = 0;
+
+#define		HFA384x_RATEBIT_1			((UINT16)1)
+#define		HFA384x_RATEBIT_2			((UINT16)2)
+#define		HFA384x_RATEBIT_5dot5			((UINT16)4)
+#define		HFA384x_RATEBIT_11			((UINT16)8)
+
+	switch (mibitem.data) {
+	case HFA384x_RATEBIT_1:
+		rrq->value = 1000000;
+		break;
+	case HFA384x_RATEBIT_2:
+		rrq->value = 2000000;
+		break;
+	case HFA384x_RATEBIT_5dot5:
+		rrq->value = 5500000;
+		break;
+	case HFA384x_RATEBIT_11:
+		rrq->value = 11000000;
+		break;
+	default:
+		err = -EINVAL;
+	}
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+static int p80211wext_giwrts(netdevice_t *dev,
+			     struct iw_request_info *info,
+			     struct iw_param *rts, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	rts->value = mibitem.data;
+	rts->disabled = (rts->value == 2347);
+	rts->fixed = 1;
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+
+static int p80211wext_siwrts(netdevice_t *dev,
+			     struct iw_request_info *info,
+			     struct iw_param *rts, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
+	if (rts->disabled)
+		mibitem.data = 2347;
+	else
+		mibitem.data = rts->value;
+
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+static int p80211wext_giwfrag(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      struct iw_param *frag, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	frag->value = mibitem.data;
+	frag->disabled = (frag->value == 2346);
+	frag->fixed = 1;
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+static int p80211wext_siwfrag(netdevice_t *dev,
+			      struct iw_request_info *info,
+			      struct iw_param *frag, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	msg.msgcode = DIDmsg_dot11req_mibset;
+	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;
+
+	if (frag->disabled)
+		mibitem.data = 2346;
+	else
+		mibitem.data = frag->value;
+
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+#endif  /* WIRELESS_EXT > 8 */
+
+#if WIRELESS_EXT > 10
+
+#ifndef IW_RETRY_LONG
+#define IW_RETRY_LONG IW_RETRY_MAX
+#endif
+
+#ifndef IW_RETRY_SHORT
+#define IW_RETRY_SHORT IW_RETRY_MIN
+#endif
+
+static int p80211wext_giwretry(netdevice_t *dev,
+			       struct iw_request_info *info,
+			       struct iw_param *rrq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+	UINT16 shortretry, longretry, lifetime;
+
+	DBFENTER;
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit;
+
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	shortretry = mibitem.data;
+
+	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit;
+
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	longretry = mibitem.data;
+
+	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime;
+
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	lifetime = mibitem.data;
+
+	rrq->disabled = 0;
+
+	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
+		rrq->flags = IW_RETRY_LIFETIME;
+		rrq->value = lifetime * 1024;
+	} else {
+		if (rrq->flags & IW_RETRY_LONG) {
+			rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
+			rrq->value = longretry;
+		} else {
+			rrq->flags = IW_RETRY_LIMIT;
+			rrq->value = shortretry;
+			if (shortretry != longretry)
+				rrq->flags |= IW_RETRY_SHORT;
+		}
+	}
+
+ exit:
+	DBFEXIT;
+	return err;
+
+}
+
+static int p80211wext_siwretry(netdevice_t *dev,
+			       struct iw_request_info *info,
+			       struct iw_param *rrq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	if (!wlan_wext_write) {
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	if (rrq->disabled) {
+		err = -EINVAL;
+		goto exit;
+	}
+
+	msg.msgcode = DIDmsg_dot11req_mibset;
+
+	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
+		mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime;
+		mibitem.data =  rrq->value /= 1024;
+
+		memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+		result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+		if (result) {
+			err = -EFAULT;
+			goto exit;
+		}
+	} else {
+		if (rrq->flags & IW_RETRY_LONG) {
+			mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit;
+			mibitem.data = rrq->value;
+
+			memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+			result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+			if (result) {
+				err = -EFAULT;
+				goto exit;
+			}
+		}
+
+		if (rrq->flags & IW_RETRY_SHORT) {
+			mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit;
+			mibitem.data = rrq->value;
+
+			memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+			result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+			if (result) {
+				err = -EFAULT;
+				goto exit;
+			}
+		}
+	}
+
+ exit:
+	DBFEXIT;
+	return err;
+
+}
+
+#endif /* WIRELESS_EXT > 10 */
+
+#if WIRELESS_EXT > 9
+static int p80211wext_siwtxpow(netdevice_t *dev,
+                               struct iw_request_info *info,
+                               struct iw_param *rrq, char *extra)
+{
+        wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+        p80211item_uint32_t             mibitem;
+        p80211msg_dot11req_mibset_t     msg;
+        int result;
+        int err = 0;
+
+        DBFENTER;
+
+       if (!wlan_wext_write) {
+                err = (-EOPNOTSUPP);
+                goto exit;
+        }
+
+        msg.msgcode = DIDmsg_dot11req_mibset;
+
+        switch (rrq->value) {
+
+          case 1 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel1; break;
+          case 2 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel2; break;
+          case 3 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel3; break;
+          case 4 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel4; break;
+          case 5 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel5; break;
+          case 6 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel6; break;
+          case 7 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel7; break;
+          case 8 : mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8; break;
+          default: mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8; break;
+	}
+
+        memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+        result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+        if (result) {
+                err = -EFAULT;
+                goto exit;
+        }
+
+ exit:
+        DBFEXIT;
+        return err;
+}
+
+static int p80211wext_giwtxpow(netdevice_t *dev,
+			       struct iw_request_info *info,
+			       struct iw_param *rrq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211item_uint32_t             mibitem;
+	p80211msg_dot11req_mibset_t     msg;
+	int result;
+	int err = 0;
+
+	DBFENTER;
+
+	msg.msgcode = DIDmsg_dot11req_mibget;
+	mibitem.did = DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;
+
+	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+
+	if (result) {
+		err = -EFAULT;
+		goto exit;
+	}
+
+	memcpy(&mibitem, &msg.mibattribute.data, sizeof(mibitem));
+
+	// XXX handle OFF by setting disabled = 1;
+
+	rrq->flags = 0; // IW_TXPOW_DBM;
+	rrq->disabled = 0;
+	rrq->fixed = 0;
+	rrq->value = mibitem.data;
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+#endif /* WIRELESS_EXT > 9 */
+
+static int p80211wext_siwspy(netdevice_t *dev,
+			     struct iw_request_info *info,
+			     struct iw_point *srq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+        struct sockaddr address[IW_MAX_SPY];
+        int number = srq->length;
+        int i;
+
+	DBFENTER;
+
+	/* Copy the data from the input buffer */
+	memcpy(address, extra, sizeof(struct sockaddr)*number);
+
+        wlandev->spy_number = 0;
+
+        if (number > 0) {
+
+                /* extract the addresses */
+                for (i = 0; i < number; i++) {
+
+                        memcpy(wlandev->spy_address[i], address[i].sa_data, ETH_ALEN);
+		}
+
+                /* reset stats */
+                memset(wlandev->spy_stat, 0, sizeof(struct iw_quality) * IW_MAX_SPY);
+
+                /* set number of addresses */
+                wlandev->spy_number = number;
+        }
+
+	DBFEXIT;
+	return 0;
+}
+
+/* jkriegl: from orinoco, modified */
+static int p80211wext_giwspy(netdevice_t *dev,
+			     struct iw_request_info *info,
+			     struct iw_point *srq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+
+        struct sockaddr address[IW_MAX_SPY];
+        struct iw_quality spy_stat[IW_MAX_SPY];
+        int number;
+        int i;
+
+	DBFENTER;
+
+        number = wlandev->spy_number;
+
+        if (number > 0) {
+
+                /* populate address and spy struct's */
+                for (i = 0; i < number; i++) {
+                        memcpy(address[i].sa_data, wlandev->spy_address[i], ETH_ALEN);
+                        address[i].sa_family = AF_UNIX;
+                	memcpy(&spy_stat[i], &wlandev->spy_stat[i], sizeof(struct iw_quality));
+                }
+
+		/* reset update flag */
+                for (i=0; i < number; i++)
+                        wlandev->spy_stat[i].updated = 0;
+        }
+
+        /* push stuff to user space */
+        srq->length = number;
+	memcpy(extra, address, sizeof(struct sockaddr)*number);
+	memcpy(extra+sizeof(struct sockaddr)*number, spy_stat, sizeof(struct iw_quality)*number);
+
+	DBFEXIT;
+	return 0;
+}
+
+static int prism2_result2err (int prism2_result)
+{
+	int err = 0;
+
+	switch (prism2_result) {
+		case P80211ENUM_resultcode_invalid_parameters:
+			err = -EINVAL;
+			break;
+		case P80211ENUM_resultcode_implementation_failure:
+			err = -EIO;
+			break;
+		case P80211ENUM_resultcode_not_supported:
+			err = -EOPNOTSUPP;
+			break;
+		default:
+			err = 0;
+			break;
+	}
+
+	return err;
+}
+
+#if WIRELESS_EXT > 13
+static int p80211wext_siwscan(netdevice_t *dev,
+			     struct iw_request_info *info,
+			     struct iw_point *srq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211msg_dot11req_scan_t	msg;
+	int result;
+	int err = 0;
+	int i = 0;
+
+	DBFENTER;
+
+	if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
+		WLAN_LOG_ERROR("Can't scan in AP mode\n");
+		err = (-EOPNOTSUPP);
+		goto exit;
+	}
+
+	memset(&msg, 0x00, sizeof(p80211msg_dot11req_scan_t));
+	msg.msgcode = DIDmsg_dot11req_scan;
+	msg.bsstype.data = P80211ENUM_bsstype_any;
+
+	memset(&(msg.bssid.data), 0xFF, sizeof (p80211item_pstr6_t));
+	msg.bssid.data.len = 6;
+
+	msg.scantype.data = P80211ENUM_scantype_active;
+	msg.probedelay.data = 0;
+
+	for (i = 1; i <= 14; i++)
+		msg.channellist.data.data[i-1] = i;
+	msg.channellist.data.len = 14;
+
+	msg.maxchanneltime.data = 250;
+	msg.minchanneltime.data = 200;
+
+	result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+	if (result)
+		err = prism2_result2err (msg.resultcode.data);
+
+ exit:
+	DBFEXIT;
+	return err;
+}
+
+
+/* Helper to translate scan into Wireless Extensions scan results.
+ * Inspired by the prism54 code, which was in turn inspired by the
+ * airo driver code.
+ */
+static char *
+wext_translate_bss(struct iw_request_info *info, char *current_ev,
+		   char *end_buf, p80211msg_dot11req_scan_results_t *bss)
+{
+	struct iw_event iwe;	/* Temporary buffer */
+
+	/* The first entry must be the MAC address */
+	memcpy(iwe.u.ap_addr.sa_data, bss->bssid.data.data, WLAN_BSSID_LEN);
+	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
+	iwe.cmd = SIOCGIWAP;
+	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
+
+	/* The following entries will be displayed in the same order we give them */
+
+	/* The ESSID. */
+	if (bss->ssid.data.len > 0) {
+		char essid[IW_ESSID_MAX_SIZE + 1];
+		int size;
+
+		size = wlan_min(IW_ESSID_MAX_SIZE, bss->ssid.data.len);
+		memset(&essid, 0, sizeof (essid));
+		memcpy(&essid, bss->ssid.data.data, size);
+		WLAN_LOG_DEBUG(1, " essid size = %d\n", size);
+		iwe.u.data.length = size;
+		iwe.u.data.flags = 1;
+		iwe.cmd = SIOCGIWESSID;
+		current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, &essid[0]);
+		WLAN_LOG_DEBUG(1, " essid size OK.\n");
+	}
+
+	switch (bss->bsstype.data) {
+		case P80211ENUM_bsstype_infrastructure:
+			iwe.u.mode = IW_MODE_MASTER;
+			break;
+
+		case P80211ENUM_bsstype_independent:
+			iwe.u.mode = IW_MODE_ADHOC;
+			break;
+
+		default:
+			iwe.u.mode = 0;
+			break;
+	}
+	iwe.cmd = SIOCGIWMODE;
+	if (iwe.u.mode)
+		current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
+
+	/* Encryption capability */
+	if (bss->privacy.data == P80211ENUM_truth_true)
+		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
+	else
+		iwe.u.data.flags = IW_ENCODE_DISABLED;
+	iwe.u.data.length = 0;
+	iwe.cmd = SIOCGIWENCODE;
+	current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, NULL);
+
+	/* Add frequency. (short) bss->channel is the frequency in MHz */
+	iwe.u.freq.m = bss->dschannel.data;
+	iwe.u.freq.e = 0;
+	iwe.cmd = SIOCGIWFREQ;
+	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
+
+	/* Add quality statistics */
+	iwe.u.qual.level = bss->signal.data;
+	iwe.u.qual.noise = bss->noise.data;
+	/* do a simple SNR for quality */
+	iwe.u.qual.qual = qual_as_percent(bss->signal.data - bss->noise.data);
+	iwe.cmd = IWEVQUAL;
+	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
+
+	return current_ev;
+}
+
+
+static int p80211wext_giwscan(netdevice_t *dev,
+			     struct iw_request_info *info,
+			     struct iw_point *srq, char *extra)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	p80211msg_dot11req_scan_results_t	msg;
+	int result = 0;
+	int err = 0;
+	int i = 0;
+	int scan_good = 0;
+	char *current_ev = extra;
+
+	DBFENTER;
+
+	/* Since wireless tools doesn't really have a way of passing how
+	 * many scan results results there were back here, keep grabbing them
+	 * until we fail.
+	 */
+	do {
+		memset(&msg, 0, sizeof(msg));
+		msg.msgcode = DIDmsg_dot11req_scan_results;
+		msg.bssindex.data = i;
+
+		result = p80211req_dorequest(wlandev, (UINT8*)&msg);
+		if ((result != 0) ||
+		    (msg.resultcode.data != P80211ENUM_resultcode_success)) {
+			break;
+		}
+
+		current_ev = wext_translate_bss(info, current_ev, extra + IW_SCAN_MAX_DATA, &msg);
+		scan_good = 1;
+		i++;
+	} while (i < IW_MAX_AP);
+
+	srq->length = (current_ev - extra);
+	srq->flags = 0;	/* todo */
+
+	if (result && !scan_good)
+		err = prism2_result2err (msg.resultcode.data);
+
+	DBFEXIT;
+	return err;
+}
+#endif
+
+/*****************************************************/
+//extra wireless extensions stuff to support NetworkManager (I hope)
+
+#if WIRELESS_EXT > 17
+/* SIOCSIWENCODEEXT */
+static int p80211wext_set_encodeext(struct net_device *dev,
+				struct iw_request_info *info,
+				union iwreq_data *wrqu, char *extra)
+{
+  wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+  struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
+	p80211msg_dot11req_mibset_t	msg;
+	p80211item_pstr32_t		*pstr;
+
+  int result = 0;
+  struct iw_point *encoding = &wrqu->encoding;
+  int idx = encoding->flags & IW_ENCODE_INDEX;
+
+  WLAN_LOG_DEBUG(1,"set_encode_ext flags[%d] alg[%d] keylen[%d]\n",ext->ext_flags,(int)ext->alg,(int)ext->key_len);
+
+
+  if ( ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY ) {
+    // set default key ? I'm not sure if this the the correct thing to do here
+
+    if ( idx ) {
+      if (idx < 1 || idx > NUM_WEPKEYS) {
+	return -EINVAL;
+      } else
+	idx--;
+    }
+    WLAN_LOG_DEBUG(1,"setting default key (%d)\n",idx);
+    result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, idx);
+    if ( result )
+      return -EFAULT;
+  }
+
+
+  if ( ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY ) {
+    if ( ! ext->alg & IW_ENCODE_ALG_WEP) {
+      WLAN_LOG_DEBUG(1,"asked to set a non wep key :(");
+      return -EINVAL;
+    }
+    if (idx) {
+      if (idx <1 || idx > NUM_WEPKEYS)
+	return -EINVAL;
+      else
+	idx--;
+    }
+    WLAN_LOG_DEBUG(1,"Set WEP key (%d)\n",idx);
+    wlandev->wep_keylens[idx] = ext->key_len;
+    memcpy(wlandev->wep_keys[idx], ext->key, ext->key_len);
+
+    memset( &msg,0,sizeof(msg));
+    pstr = (p80211item_pstr32_t*)&msg.mibattribute.data;
+    memcpy(pstr->data.data, ext->key,ext->key_len);
+    pstr->data.len = ext->key_len;
+    switch (idx) {
+    case 0:
+      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
+      break;
+    case 1:
+      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
+      break;
+    case 2:
+      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
+      break;
+    case 3:
+      pstr->did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
+      break;
+    default:
+      break;
+    }
+    msg.msgcode = DIDmsg_dot11req_mibset;
+    result = p80211req_dorequest(wlandev,(UINT8*)&msg);
+    WLAN_LOG_DEBUG(1,"result (%d)\n",result);
+  }
+  return result;
+}
+
+/* SIOCGIWENCODEEXT */
+static int p80211wext_get_encodeext(struct net_device *dev,
+				struct iw_request_info *info,
+				union iwreq_data *wrqu, char *extra)
+
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
+
+	struct iw_point *encoding = &wrqu->encoding;
+	int result = 0;
+	int max_len;
+	int idx;
+
+	DBFENTER;
+
+	WLAN_LOG_DEBUG(1,"get_encode_ext flags[%d] alg[%d] keylen[%d]\n",ext->ext_flags,(int)ext->alg,(int)ext->key_len);
+
+
+	max_len = encoding->length - sizeof(*ext);
+	if ( max_len <= 0) {
+		WLAN_LOG_DEBUG(1,"get_encodeext max_len [%d] invalid\n",max_len);
+		result = -EINVAL;
+		goto exit;
+	}
+	idx = encoding->flags & IW_ENCODE_INDEX;
+
+	WLAN_LOG_DEBUG(1,"get_encode_ext index [%d]\n",idx);
+
+	if (idx) {
+		if (idx < 1 || idx > NUM_WEPKEYS ) {
+			WLAN_LOG_DEBUG(1,"get_encode_ext invalid key index [%d]\n",idx);
+			result = -EINVAL;
+			goto exit;
+		}
+		idx--;
+	} else {
+		/* default key ? not sure what to do */
+		/* will just use key[0] for now ! FIX ME */
+	}
+
+	encoding->flags = idx + 1;
+	memset(ext,0,sizeof(*ext));
+
+	ext->alg = IW_ENCODE_ALG_WEP;
+	ext->key_len = wlandev->wep_keylens[idx];
+	memcpy( ext->key, wlandev->wep_keys[idx] , ext->key_len );
+
+	encoding->flags |= IW_ENCODE_ENABLED;
+exit:
+	DBFEXIT;
+
+	return result;
+}
+
+
+/* SIOCSIWAUTH */
+static int p80211_wext_set_iwauth (struct net_device *dev,
+				   struct iw_request_info *info,
+				   union iwreq_data *wrqu, char *extra)
+{
+  wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+  struct iw_param *param = &wrqu->param;
+  int result =0;
+
+  WLAN_LOG_DEBUG(1,"set_iwauth flags[%d]\n",(int)param->flags & IW_AUTH_INDEX );
+
+  switch (param->flags & IW_AUTH_INDEX) {
+  case IW_AUTH_DROP_UNENCRYPTED:
+    WLAN_LOG_DEBUG(1,"drop_unencrypted %d\n",param->value);
+    if (param->value)
+      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_true);
+    else
+      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted, P80211ENUM_truth_false);
+    break;
+
+  case IW_AUTH_PRIVACY_INVOKED:
+    WLAN_LOG_DEBUG(1,"privacy invoked %d\n",param->value);
+    if ( param->value)
+      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_true);
+    else
+      result = p80211wext_dorequest(wlandev, DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked, P80211ENUM_truth_false);
+
+    break;
+
+  case IW_AUTH_80211_AUTH_ALG:
+    if ( param->value & IW_AUTH_ALG_OPEN_SYSTEM ) {
+      WLAN_LOG_DEBUG(1,"set open_system\n");
+      wlandev->hostwep &= ~HOSTWEP_SHAREDKEY;
+    } else if ( param->value & IW_AUTH_ALG_SHARED_KEY) {
+      WLAN_LOG_DEBUG(1,"set shared key\n");
+      wlandev->hostwep |= HOSTWEP_SHAREDKEY;
+    } else {
+      /* don't know what to do know :( */
+      WLAN_LOG_DEBUG(1,"unknown AUTH_ALG (%d)\n",param->value);
+      result = -EINVAL;
+    }
+    break;
+
+  default:
+    break;
+  }
+
+
+
+  return result;
+}
+
+/* SIOCSIWAUTH */
+static int p80211_wext_get_iwauth (struct net_device *dev,
+				   struct iw_request_info *info,
+				   union iwreq_data *wrqu, char *extra)
+{
+  wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+  struct iw_param *param = &wrqu->param;
+  int result =0;
+
+  WLAN_LOG_DEBUG(1,"get_iwauth flags[%d]\n",(int)param->flags & IW_AUTH_INDEX );
+
+  switch (param->flags & IW_AUTH_INDEX) {
+  case IW_AUTH_DROP_UNENCRYPTED:
+    param->value = wlandev->hostwep & HOSTWEP_EXCLUDEUNENCRYPTED?1:0;
+    break;
+
+  case IW_AUTH_PRIVACY_INVOKED:
+    param->value = wlandev->hostwep & HOSTWEP_PRIVACYINVOKED?1:0;
+    break;
+
+  case IW_AUTH_80211_AUTH_ALG:
+    param->value = wlandev->hostwep & HOSTWEP_SHAREDKEY?IW_AUTH_ALG_SHARED_KEY:IW_AUTH_ALG_OPEN_SYSTEM;
+    break;
+
+
+  default:
+    break;
+  }
+
+
+
+  return result;
+}
+
+
+#endif
+
+
+
+
+
+
+/*****************************************************/
+
+
+
+
+
+/*
+typedef int (*iw_handler)(netdevice_t *dev, struct iw_request_info *info,
+                          union iwreq_data *wrqu, char *extra);
+*/
+
+#if WIRELESS_EXT > 12
+static iw_handler p80211wext_handlers[] =  {
+	(iw_handler) p80211wext_siwcommit,		/* SIOCSIWCOMMIT */
+	(iw_handler) p80211wext_giwname,		/* SIOCGIWNAME */
+	(iw_handler) NULL,				/* SIOCSIWNWID */
+	(iw_handler) NULL,				/* SIOCGIWNWID */
+	(iw_handler) p80211wext_siwfreq,  		/* SIOCSIWFREQ */
+	(iw_handler) p80211wext_giwfreq,  		/* SIOCGIWFREQ */
+	(iw_handler) p80211wext_siwmode,       		/* SIOCSIWMODE */
+	(iw_handler) p80211wext_giwmode,       		/* SIOCGIWMODE */
+	(iw_handler) NULL,                 		/* SIOCSIWSENS */
+	(iw_handler) NULL,                		/* SIOCGIWSENS */
+	(iw_handler) NULL, /* not used */     		/* SIOCSIWRANGE */
+	(iw_handler) p80211wext_giwrange,      		/* SIOCGIWRANGE */
+	(iw_handler) NULL, /* not used */     		/* SIOCSIWPRIV */
+	(iw_handler) NULL, /* kernel code */   		/* SIOCGIWPRIV */
+	(iw_handler) NULL, /* not used */     		/* SIOCSIWSTATS */
+	(iw_handler) NULL, /* kernel code */   		/* SIOCGIWSTATS */
+	(iw_handler) p80211wext_siwspy,			/* SIOCSIWSPY */
+	(iw_handler) p80211wext_giwspy,			/* SIOCGIWSPY */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,              		/* SIOCSIWAP */
+	(iw_handler) p80211wext_giwap,         		/* SIOCGIWAP */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,                  		/* SIOCGIWAPLIST */
+#if WIRELESS_EXT > 13
+	(iw_handler) p80211wext_siwscan,			/* SIOCSIWSCAN */
+	(iw_handler) p80211wext_giwscan,			/* SIOCGIWSCAN */
+#else /* WIRELESS_EXT > 13 */
+	(iw_handler) NULL,	/* null */		/* SIOCSIWSCAN */
+	(iw_handler) NULL,	/* null */		/* SIOCGIWSCAN */
+#endif /* WIRELESS_EXT > 13 */
+	(iw_handler) p80211wext_siwessid,  		/* SIOCSIWESSID */
+	(iw_handler) p80211wext_giwessid,      		/* SIOCGIWESSID */
+	(iw_handler) NULL,                 		/* SIOCSIWNICKN */
+	(iw_handler) p80211wext_giwessid,      		/* SIOCGIWNICKN */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,                		/* SIOCSIWRATE */
+	(iw_handler) p80211wext_giwrate,      		/* SIOCGIWRATE */
+	(iw_handler) p80211wext_siwrts,  		/* SIOCSIWRTS */
+	(iw_handler) p80211wext_giwrts,        		/* SIOCGIWRTS */
+	(iw_handler) p80211wext_siwfrag,      		/* SIOCSIWFRAG */
+	(iw_handler) p80211wext_giwfrag,   		/* SIOCGIWFRAG */
+	(iw_handler) p80211wext_siwtxpow,           	/* SIOCSIWTXPOW */
+	(iw_handler) p80211wext_giwtxpow,  		/* SIOCGIWTXPOW */
+	(iw_handler) p80211wext_siwretry,     		/* SIOCSIWRETRY */
+	(iw_handler) p80211wext_giwretry,  		/* SIOCGIWRETRY */
+	(iw_handler) p80211wext_siwencode,     		/* SIOCSIWENCODE */
+	(iw_handler) p80211wext_giwencode,  		/* SIOCGIWENCODE */
+	(iw_handler) NULL,                 		/* SIOCSIWPOWER */
+	(iw_handler) NULL,                  		/* SIOCGIWPOWER */
+#if WIRELESS_EXT > 17
+/* WPA operations */
+
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL,				/* -- hole -- */
+	(iw_handler) NULL, /* SIOCSIWGENIE	set generic IE */
+	(iw_handler) NULL, /* SIOCGIWGENIE	get generic IE */
+	(iw_handler) p80211_wext_set_iwauth, /* SIOCSIWAUTH	set authentication mode params */
+	(iw_handler) p80211_wext_get_iwauth, /* SIOCGIWAUTH	get authentication mode params */
+
+	(iw_handler) p80211wext_set_encodeext, /* SIOCSIWENCODEEXT  set encoding token & mode */
+	(iw_handler) p80211wext_get_encodeext, /* SIOCGIWENCODEEXT  get encoding token & mode */
+	(iw_handler) NULL, /* SIOCSIWPMKSA	PMKSA cache operation */
+#endif
+};
+
+struct iw_handler_def p80211wext_handler_def = {
+	.num_standard = sizeof(p80211wext_handlers) / sizeof(iw_handler),
+	.num_private = 0,
+	.num_private_args = 0,
+        .standard = p80211wext_handlers,
+	.private = NULL,
+	.private_args = NULL,
+#if WIRELESS_EXT > 16
+	.get_wireless_stats = p80211wext_get_wireless_stats
+#endif
+};
+
+#endif
+
+/* wireless extensions' ioctls */
+int p80211wext_support_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd)
+{
+	wlandevice_t *wlandev = (wlandevice_t*)dev->priv;
+
+#if WIRELESS_EXT < 13
+	struct iwreq *iwr = (struct iwreq*)ifr;
+#endif
+
+	p80211item_uint32_t             mibitem;
+	int err = 0;
+
+	DBFENTER;
+
+	mibitem.status = P80211ENUM_msgitem_status_data_ok;
+
+	if ( wlandev->msdstate != WLAN_MSD_RUNNING ) {
+		err = -ENODEV;
+		goto exit;
+	}
+
+	WLAN_LOG_DEBUG(1, "Received wireless extension ioctl #%d.\n", cmd);
+
+	switch (cmd) {
+#if WIRELESS_EXT < 13
+	case SIOCSIWNAME:  /* unused  */
+		err = (-EOPNOTSUPP);
+		break;
+	case SIOCGIWNAME: /* get name == wireless protocol */
+                err = p80211wext_giwname(dev, NULL, (char *) &iwr->u, NULL);
+		break;
+	case SIOCSIWNWID:
+	case SIOCGIWNWID:
+		err = (-EOPNOTSUPP);
+		break;
+	case SIOCSIWFREQ: /* set channel */
+                err = p80211wext_siwfreq(dev, NULL, &(iwr->u.freq), NULL);
+		break;
+	case SIOCGIWFREQ: /* get channel */
+                err = p80211wext_giwfreq(dev, NULL, &(iwr->u.freq), NULL);
+		break;
+	case SIOCSIWRANGE:
+	case SIOCSIWPRIV:
+	case SIOCSIWAP: /* set access point MAC addresses (BSSID) */
+		err = (-EOPNOTSUPP);
+		break;
+
+	case SIOCGIWAP:	/* get access point MAC addresses (BSSID) */
+                err = p80211wext_giwap(dev, NULL, &(iwr->u.ap_addr), NULL);
+		break;
+
+#if WIRELESS_EXT > 8
+	case SIOCSIWMODE: /* set operation mode */
+	case SIOCSIWESSID: /* set SSID (network name) */
+	case SIOCSIWRATE: /* set default bit rate (bps) */
+		err = (-EOPNOTSUPP);
+		break;
+
+	case SIOCGIWMODE: /* get operation mode */
+		err = p80211wext_giwmode(dev, NULL, &iwr->u.mode, NULL);
+
+		break;
+	case SIOCGIWNICKN: /* get node name/nickname */
+	case SIOCGIWESSID: /* get SSID */
+		if(iwr->u.essid.pointer) {
+                        char ssid[IW_ESSID_MAX_SIZE+1];
+			memset(ssid, 0, sizeof(ssid));
+
+			err = p80211wext_giwessid(dev, NULL, &iwr->u.essid, ssid);
+			if(copy_to_user(iwr->u.essid.pointer, ssid, sizeof(ssid)))
+				err = (-EFAULT);
+		}
+		break;
+	case SIOCGIWRATE:
+                err = p80211wext_giwrate(dev, NULL, &iwr->u.bitrate, NULL);
+		break;
+	case SIOCGIWRTS:
+		err = p80211wext_giwrts(dev, NULL, &iwr->u.rts, NULL);
+		break;
+	case SIOCGIWFRAG:
+		err = p80211wext_giwfrag(dev, NULL, &iwr->u.rts, NULL);
+		break;
+	case SIOCGIWENCODE:
+		if (!capable(CAP_NET_ADMIN))
+			err = -EPERM;
+		else if (iwr->u.encoding.pointer) {
+			char keybuf[MAX_KEYLEN];
+			err = p80211wext_giwencode(dev, NULL,
+						     &iwr->u.encoding, keybuf);
+			if (copy_to_user(iwr->u.encoding.pointer, keybuf,
+					 iwr->u.encoding.length))
+				err = -EFAULT;
+		}
+		break;
+	case SIOCGIWAPLIST:
+	case SIOCSIWRTS:
+	case SIOCSIWFRAG:
+	case SIOCSIWSENS:
+	case SIOCGIWSENS:
+	case SIOCSIWNICKN: /* set node name/nickname */
+	case SIOCSIWENCODE: /* set encoding token & mode */
+	case SIOCSIWSPY:
+	case SIOCGIWSPY:
+	case SIOCSIWPOWER:
+	case SIOCGIWPOWER:
+	case SIOCGIWPRIV:
+		err = (-EOPNOTSUPP);
+		break;
+	case SIOCGIWRANGE:
+		if(iwr->u.data.pointer != NULL) {
+                        struct iw_range range;
+                        err = p80211wext_giwrange(dev, NULL, &iwr->u.data,
+						  (char *) &range);
+			/* Push that up to the caller */
+			if (copy_to_user(iwr->u.data.pointer, &range, sizeof(range)))
+				err = -EFAULT;
+		}
+		break;
+#endif /* WIRELESS_EXT > 8 */
+#if WIRELESS_EXT > 9
+	case SIOCSIWTXPOW:
+		err = (-EOPNOTSUPP);
+		break;
+	case SIOCGIWTXPOW:
+		err = p80211wext_giwtxpow(dev, NULL, &iwr->u.txpower, NULL);
+		break;
+#endif /* WIRELESS_EXT > 9 */
+#if WIRELESS_EXT > 10
+	case SIOCSIWRETRY:
+		err = (-EOPNOTSUPP);
+		break;
+	case SIOCGIWRETRY:
+		err = p80211wext_giwretry(dev, NULL, &iwr->u.retry, NULL);
+		break;
+#endif /* WIRELESS_EXT > 10 */
+
+#endif /* WIRELESS_EXT <= 12 */
+
+	default:
+		err = (-EOPNOTSUPP);
+		break;
+	}
+
+ exit:
+	DBFEXIT;
+	return (err);
+}
+
+int p80211wext_event_associated(wlandevice_t *wlandev, int assoc)
+{
+        union iwreq_data data;
+
+        DBFENTER;
+
+#if WIRELESS_EXT > 13
+        /* Send the association state first */
+        data.ap_addr.sa_family = ARPHRD_ETHER;
+        if (assoc) {
+                memcpy(data.ap_addr.sa_data, wlandev->bssid, WLAN_ADDR_LEN);
+        } else {
+                memset(data.ap_addr.sa_data, 0, WLAN_ADDR_LEN);
+        }
+
+        if (wlan_wext_write)
+                wireless_send_event(wlandev->netdev, SIOCGIWAP, &data, NULL);
+
+        if (!assoc) goto done;
+
+        // XXX send association data, like IEs, etc etc.
+#endif
+ done:
+        DBFEXIT;
+        return 0;
+}
+
+
+#endif /* compatibility to wireless extensions */
+
+
+
+
diff --git a/drivers/staging/wlan-ng/prism2_cs.c b/drivers/staging/wlan-ng/prism2_cs.c
new file mode 100644
index 00000000000..63ce5659f21
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2_cs.c
@@ -0,0 +1,1487 @@
+#define WLAN_HOSTIF WLAN_PCMCIA
+#include "hfa384x.c"
+#include "prism2mgmt.c"
+#include "prism2mib.c"
+#include "prism2sta.c"
+
+#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,21) )
+#if (WLAN_CPU_FAMILY == WLAN_Ix86)
+#ifndef CONFIG_ISA
+#warning "You may need to enable ISA support in your kernel."
+#endif
+#endif
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) )
+static u_int	irq_mask = 0xdeb8;		/* Interrupt mask */
+static int	irq_list[4] = { -1 };		/* Interrupt list */
+#endif
+static u_int	prism2_ignorevcc=1;		/* Boolean, if set, we
+						 * ignore what the Vcc
+						 * is set to and what the CIS
+						 * says.
+						 */
+module_param( prism2_ignorevcc, int, 0644);
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) )
+#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,9))
+static int numlist = 4;
+module_param_array(irq_list, int, numlist, 0444);
+#else
+module_param_array(irq_list, int, NULL, 0444);
+#endif
+module_param( irq_mask, int, 0644);
+#endif
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
+static int prism2_cs_suspend(struct pcmcia_device *pdev);
+static int prism2_cs_resume(struct pcmcia_device *pdev);
+static void prism2_cs_remove(struct pcmcia_device *pdev);
+static int prism2_cs_probe(struct pcmcia_device *pdev);
+#else
+dev_link_t	*prism2sta_attach(void);
+static void	prism2sta_detach(dev_link_t *link);
+static void	prism2sta_config(dev_link_t *link);
+static void	prism2sta_release(u_long arg);
+static int 	prism2sta_event (event_t event, int priority, event_callback_args_t *args);
+
+static dev_link_t	*dev_list = NULL;	/* head of instance list */
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68))
+/*----------------------------------------------------------------
+* cs_error
+*
+* Utility function to print card services error messages.
+*
+* Arguments:
+*	handle	client handle identifying this CS client
+*	func	CS function number that generated the error
+*	ret	CS function return code
+*
+* Returns:
+*	nothing
+* Side effects:
+*
+* Call context:
+*	process thread
+*	interrupt
+----------------------------------------------------------------*/
+static void cs_error(client_handle_t handle, int func, int ret)
+{
+#if (defined(CS_RELEASE_CODE) && (CS_RELEASE_CODE < 0x2911))
+	CardServices(ReportError, dev_info, (void *)func, (void *)ret);
+#else
+	error_info_t err = { func, ret };
+	pcmcia_report_error(handle, &err);
+#endif
+}
+#else // kernel_version
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12)
+static struct pcmcia_device_id prism2_cs_ids[] = {
+	PCMCIA_DEVICE_PROD_ID12("INTERSIL",  "HFA384x/IEEE", 0x74c5e40d, 0xdb472a18), // Intersil PRISM2 Reference Design 11Mb/s 802.11b WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0x0138, 0x0002), // Compaq WL100/200 11Mb/s 802.11b WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0002), // Compaq iPaq HNW-100 11Mb/s 802.11b WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0x0250, 0x0002), // Samsung SWL2000-N 11Mb/s 802.11b WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0002), // Z-Com XI300 11Mb/s 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID12("ZoomAir 11Mbps High",  "Rate wireless Networking", 0x273fe3db, 0x32a1eaee), // ZoomAir 4100 11Mb/s 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID123("Instant Wireless ",  " Network PC CARD",  "Version 01.02", 0x11d901af, 0x6e9bd926, 0x4b74baa0), // Linksys WPC11 11Mbps 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID123("Addtron",  "AWP-100 Wireless PCMCIA",  "Version 01.02", 0xe6ec52ce, 0x8649af2, 0x4b74baa0), // Addtron AWP-100 11Mbps 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID123("D",  "Link DWL-650 11Mbps WLAN Card",  "Version 01.02", 0x71b18589, 0xb6f1b0ab, 0x4b74baa0), // D-Link DWL-650 11Mbps 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID123("SMC",  "SMC2632W",  "Version 01.02", 0xc4f8b18b, 0x474a1f2a, 0x4b74baa0), // SMC 2632W 11Mbps 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID1234("Intersil",  "PRISM 2_5 PCMCIA ADAPTER",  "ISL37300P",  "Eval-RevA", 0x4b801a17, 0x6345a0bf, 0xc9049a39, 0xc23adc0e), // BroMax Freeport 11Mbps 802.11b WLAN Card (Prism 2.5)
+	PCMCIA_DEVICE_PROD_ID123("U.S. Robotics",  "IEEE 802.11b PC-CARD",  "Version 01.02", 0xc7b8df9d, 0x1700d087, 0x4b74baa0), // U.S. Robotics IEEE 802.11b PC-CARD
+	PCMCIA_DEVICE_PROD_ID12("Digital Data Communications",  "WPC-0100", 0xfdd73470, 0xe0b6f146), // Level-One WPC-0100
+	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1612), // Bromax OEM 11Mbps 802.11b WLAN Card (Prism 2.5)
+	PCMCIA_DEVICE_MANF_CARD(0x0274, 0x1613), // Bromax OEM 11Mbps 802.11b WLAN Card (Prism 3)
+	PCMCIA_DEVICE_PROD_ID12("corega K.K.",  "Wireless LAN PCC-11", 0x5261440f, 0xa6405584), // corega K.K. Wireless LAN PCC-11
+	PCMCIA_DEVICE_PROD_ID12("corega K.K.",  "Wireless LAN PCCA-11", 0x5261440f, 0xdf6115f9), // corega K.K. Wireless LAN PCCA-11
+	PCMCIA_DEVICE_MANF_CARD(0xc001, 0x0008), // CONTEC FLEXSCAN/FX-DDS110-PCC
+	PCMCIA_DEVICE_PROD_ID12("PLANEX",  "GeoWave/GW-NS110", 0x209f40ab, 0x46263178), // PLANEX GeoWave/GW-NS110
+	PCMCIA_DEVICE_PROD_ID123("OEM",  "PRISM2 IEEE 802.11 PC-Card",  "Version 01.02", 0xfea54c90, 0x48f2bdd6, 0x4b74baa0), // Ambicom WL1100 11Mbps 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID123("LeArtery",  "SYNCBYAIR 11Mbps Wireless LAN PC Card",  "Version 01.02", 0x7e3b326a, 0x49893e92, 0x4b74baa0), // LeArtery SYNCBYAIR 11Mbps 802.11b WLAN Card
+PCMCIA_DEVICE_MANF_CARD(0x01ff, 0x0008), // Intermec MobileLAN 11Mbps 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID123("NETGEAR MA401 Wireless PC",  "Card",  "Version 01.00", 0xa37434e9, 0x9762e8f1, 0xa57adb8c), // NETGEAR MA401 11Mbps 802.11 WLAN Card
+	PCMCIA_DEVICE_PROD_ID1234("Intersil",  "PRISM Freedom PCMCIA Adapter",  "ISL37100P",  "Eval-RevA", 0x4b801a17, 0xf222ec2d, 0x630d52b2, 0xc23adc0e), // Intersil PRISM Freedom 11mbps 802.11 WLAN Card
+	PCMCIA_DEVICE_PROD_ID123("OTC",  "Wireless AirEZY 2411-PCC WLAN Card",  "Version 01.02", 0x4ac44287, 0x235a6bed, 0x4b74baa0), // OTC Wireless AirEZY 2411-PCC 11Mbps 802.11 WLAN Card
+	PCMCIA_DEVICE_PROD_ID1234("802.11",  "11Mbps Wireless LAN Card",  "v08C1",  ""   , 0xb67a610e, 0x655aa7b7, 0x264b451a, 0x0), // Dynalink L11HDT 11Mbps 802.11 WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0xc250, 0x0002), // Dynalink L11HDT 11Mbps 802.11 WLAN Card
+	PCMCIA_DEVICE_PROD_ID12("PROXIM",  "RangeLAN-DS/LAN PC CARD", 0xc6536a5e, 0x3f35797d), // PROXIM RangeLAN-DS/LAN PC CARD
+	PCMCIA_DEVICE_PROD_ID1234("ACTIONTEC",  "PRISM Wireless LAN PC Card",  "0381",  "RevA", 0x393089da, 0xa71e69d5, 0x90471fa9, 0x57a66194), // ACTIONTEC PRISM Wireless LAN PC Card
+	PCMCIA_DEVICE_MANF_CARD(0x1668, 0x0101), // ACTIONTEC PRISM Wireless LAN PC Card
+	PCMCIA_DEVICE_PROD_ID12("3Com",  "3CRWE737A AirConnect Wireless LAN PC Card", 0x41240e5b, 0x56010af3), // 3Com AirConnect 3CRWE737A
+	PCMCIA_DEVICE_PROD_ID12("3Com",  "3CRWE777A AirConnect Wireless LAN PCI Card"  , 0x41240e5b, 0xafc7c33e), // 3Com AirConnect 3CRWE777A
+	PCMCIA_DEVICE_PROD_ID12("ASUS",  "802_11b_PC_CARD_25", 0x78fc06ee, 0xdb9aa842), // ASUS WL-100 802.11b WLAN  PC Card
+	PCMCIA_DEVICE_PROD_ID12("ASUS",  "802_11B_CF_CARD_25", 0x78fc06ee, 0x45a50c1e), // ASUS WL-110 802.11b WLAN CF Card
+	PCMCIA_DEVICE_PROD_ID12("BUFFALO",  "WLI-CF-S11G", 0x2decece3, 0x82067c18), // BUFFALO WLI-CF-S11G 802.11b WLAN Card
+	PCMCIA_DEVICE_PROD_ID1234("The Linksys Group, Inc.", "Wireless Network CF Card", "ISL37300P", "RevA", 0xa5f472c2, 0x9c05598d, 0xc9049a39, 0x57a66194), // Linksys WCF11 11Mbps 802.11b WLAN Card (Prism 2.5)
+	PCMCIA_DEVICE_PROD_ID1234("Linksys",  "Wireless CompactFlash Card",  "",  "", 0x733cc81, 0xc52f395, 0x0, 0x0), // Linksys WCF12 11Mbps 802.11b WLAN Card (Prism 3)
+	PCMCIA_DEVICE_MANF_CARD(0x028a, 0x0673), // Linksys WCF12 11Mbps 802.11b WLAN Card (Prism 3)
+	PCMCIA_DEVICE_PROD_ID1234("NETGEAR MA401RA Wireless PC",  "Card",  "ISL37300P",  "Eval-RevA", 0x306467f, 0x9762e8f1, 0xc9049a39, 0xc23adc0e), // NETGEAR MA401RA 11Mbps 802.11 WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0xd601, 0x0005), // D-Link DCF-660W  11Mbps 802.11b WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0x02d2, 0x0001), // Microsoft Wireless Notebook Adapter MN-520
+	PCMCIA_DEVICE_MANF_CARD(0x0089, 0x0002), // AnyPoint(TM) Wireless II PC Card
+	PCMCIA_DEVICE_PROD_ID1234("D",  "Link DRC-650 11Mbps WLAN Card",  "Version 01.02",  "" , 0x71b18589, 0xf144e3ac, 0x4b74baa0, 0x0), // D-Link DRC-650 802.11b WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0x9005, 0x0021), // Adaptec AWN-8030
+	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7110), // D-Link DWL-650 rev P 802.11b WLAN card
+	// PCMCIA_DEVICE_PROD_ID1234("D-Link",  "DWL-650 Wireless PC Card RevP",  "ISL37101P-10",  "A3", 0x1a424a1c, 0x6ea57632, 0xdd97a26b, 0x56b21f52), // D-Link DWL-650 rev P 802.11b WLAN card
+	PCMCIA_DEVICE_PROD_ID123("INTERSIL",   "I-GATE 11M PC Card / PC Card plus",  "Version 01.02", 0x74c5e40d, 0x8304ff77, 0x4b74baa0), // I-Gate 11M PC Card
+	PCMCIA_DEVICE_PROD_ID1234("BENQ",  "AWL100 PCMCIA ADAPTER",  "ISL37300P",  "Eval-RevA", 0x35dadc74, 0x1f7fedb, 0xc9049a39, 0xc23adc0e), // benQ AWL100 802.11b WLAN Card
+	PCMCIA_DEVICE_MANF_CARD(0x000b, 0x7300), // benQ AWL100 802.11b WLAN Card
+	// PCMCIA_DEVICE_PROD_ID1("INTERSIL", 0x74c5e40d), // Intersil Prism 2 card
+	// PCMCIA_DEVICE_MANF_CARD(0x0156, 0x0002), // Intersil Prism 2 card
+
+	PCMCIA_DEVICE_NULL
+};
+
+MODULE_DEVICE_TABLE(pcmcia, prism2_cs_ids);
+#endif
+
+static struct pcmcia_driver prism2_cs_driver = {
+	.drv = {
+		.name = "prism2_cs",
+	},
+	.owner = THIS_MODULE,
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
+	.suspend = prism2_cs_suspend,
+	.resume = prism2_cs_resume,
+	.remove = prism2_cs_remove,
+	.probe = prism2_cs_probe,
+	.id_table = prism2_cs_ids,
+#else
+	.attach = prism2sta_attach,
+	.detach = prism2sta_detach,
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,12)
+	.id_table = prism2_cs_ids,
+	.event =  prism2sta_event,
+#endif // > 2.6.12
+#endif // <= 2.6.15
+};
+#endif /* kernel_version */
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
+#define CS_CHECK(fn, ret) \
+do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+#define CFG_CHECK(fn, retf) \
+do { int ret = (retf); \
+if (ret != 0) { \
+        WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \
+        cs_error(pdev, fn, ret); \
+        goto next_entry; \
+} \
+} while (0)
+
+static void prism2_cs_remove(struct pcmcia_device *pdev)
+{
+	struct wlandevice  *wlandev;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
+        dev_link_t *link = dev_to_instance(pdev);
+#endif
+
+	DBFENTER;
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	wlandev = pdev->priv;
+#else
+	wlandev = link->priv;
+#endif
+
+	if (wlandev) {
+		p80211netdev_hwremoved(wlandev);
+		unregister_wlandev(wlandev);
+		wlan_unsetup(wlandev);
+		if (wlandev->priv) {
+			hfa384x_t *hw = wlandev->priv;
+			wlandev->priv = NULL;
+			if (hw) {
+				hfa384x_destroy(hw);
+				kfree(hw);
+			}
+		}
+		kfree(wlandev);
+	}
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	pdev->priv = NULL;
+        pcmcia_disable_device(pdev);
+#else
+        if (link->state & DEV_CONFIG) {
+	        if (link->win)
+			pcmcia_release_window(link->win);
+		pcmcia_release_configuration(link->handle);
+		if (link->io.NumPorts1)
+			pcmcia_release_io(link->handle, &link->io);
+		if (link->irq.AssignedIRQ)
+			pcmcia_release_irq(link->handle, &link->irq);
+
+		link->state &= ~DEV_CONFIG;
+	}
+
+	link->priv = NULL;
+	kfree(link);
+#endif
+
+	DBFEXIT;
+	return;
+}
+
+static int prism2_cs_suspend(struct pcmcia_device *pdev)
+{
+	struct wlandevice  *wlandev;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
+        dev_link_t *link = dev_to_instance(pdev);
+#endif
+
+	DBFENTER;
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	wlandev = pdev->priv;
+	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+#else
+	wlandev = link->priv;
+
+        link->state |= DEV_SUSPEND;
+        if (link->state & DEV_CONFIG) {
+		prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+		pcmcia_release_configuration(link->handle);
+	}
+#endif
+
+	DBFEXIT;
+
+	return 0;
+}
+
+static int prism2_cs_resume(struct pcmcia_device *pdev)
+{
+	struct wlandevice  *wlandev;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
+        dev_link_t *link = dev_to_instance(pdev);
+#endif
+
+	DBFENTER;
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	wlandev = pdev->priv;
+	// XXX do something here?
+#else
+	wlandev = link->priv;
+        link->state &= ~DEV_SUSPEND;
+        if (link->state & DEV_CONFIG) {
+                pcmcia_request_configuration(link->handle, &link->conf);
+		// XXX do something here?
+	}
+#endif
+
+
+	DBFEXIT;
+
+	return 0;
+}
+
+static int prism2_cs_probe(struct pcmcia_device *pdev)
+{
+	int rval = 0;
+	struct wlandevice *wlandev = NULL;
+	hfa384x_t *hw = NULL;
+
+        config_info_t socketconf;
+        cisparse_t *parse = NULL;
+	tuple_t tuple;
+	uint8_t	buf[64];
+        int last_fn, last_ret;
+        cistpl_cftable_entry_t dflt = { 0 };
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
+	dev_link_t *link;
+#endif
+
+	DBFENTER;
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	/* Set up interrupt type */
+        pdev->conf.IntType = INT_MEMORY_AND_IO;
+#else
+        link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
+        if (link == NULL)
+                return -ENOMEM;
+        memset(link, 0, sizeof(dev_link_t));
+
+        link->conf.Vcc = 33;
+        link->conf.IntType = INT_MEMORY_AND_IO;
+
+        link->handle = pdev;
+        pdev->instance = link;
+        link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+
+#endif
+
+	// VCC crap?
+        parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);
+
+	wlandev = create_wlan();
+	if (!wlandev || !parse) {
+		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
+		rval = -EIO;
+		goto failed;
+	}
+	hw = wlandev->priv;
+
+	if ( wlan_setup(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
+		rval = -EIO;
+		goto failed;
+	}
+
+	/* Initialize the hw struct for now */
+	hfa384x_create(hw, 0, 0, NULL);
+	hw->wlandev = wlandev;
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	hw->pdev = pdev;
+	pdev->priv = wlandev;
+#else
+	hw->link = link;
+	link->priv = wlandev;
+#endif
+
+        tuple.DesiredTuple = CISTPL_CONFIG;
+        tuple.Attributes = 0;
+        tuple.TupleData = buf;
+        tuple.TupleDataMax = sizeof(buf);
+        tuple.TupleOffset = 0;
+        CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
+        CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple));
+        CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, parse));
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+        pdev->conf.ConfigBase = parse->config.base;
+        pdev->conf.Present = parse->config.rmask[0];
+#else
+        link->conf.ConfigBase = parse->config.base;
+        link->conf.Present = parse->config.rmask[0];
+
+	link->conf.Vcc = socketconf.Vcc;
+#endif
+        CS_CHECK(GetConfigurationInfo,
+                 pcmcia_get_configuration_info(pdev, &socketconf));
+
+	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
+	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
+        for (;;) {
+		cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
+                CFG_CHECK(GetTupleData,
+                           pcmcia_get_tuple_data(pdev, &tuple));
+                CFG_CHECK(ParseTuple,
+                           pcmcia_parse_tuple(pdev, &tuple, parse));
+
+                if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+                        dflt = *cfg;
+                if (cfg->index == 0)
+                        goto next_entry;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+                pdev->conf.ConfigIndex = cfg->index;
+#else
+                link->conf.ConfigIndex = cfg->index;
+#endif
+
+                /* Does this card need audio output? */
+                if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+                        pdev->conf.Attributes |= CONF_ENABLE_SPKR;
+                        pdev->conf.Status = CCSR_AUDIO_ENA;
+#else
+                        link->conf.Attributes |= CONF_ENABLE_SPKR;
+                        link->conf.Status = CCSR_AUDIO_ENA;
+#endif
+                }
+
+                /* Use power settings for Vcc and Vpp if present */
+                /*  Note that the CIS values need to be rescaled */
+                if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
+                        if (socketconf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
+                            10000 && !prism2_ignorevcc) {
+                                WLAN_LOG_DEBUG(1, "  Vcc mismatch - skipping"
+                                       " this entry\n");
+                                goto next_entry;
+                        }
+                } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
+                        if (socketconf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
+                            10000 && !prism2_ignorevcc) {
+                                WLAN_LOG_DEBUG(1, "  Vcc (default) mismatch "
+                                       "- skipping this entry\n");
+                                goto next_entry;
+                        }
+                }
+
+                if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) {
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+                        pdev->conf.Vpp =
+                                cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+#else
+                        link->conf.Vpp1 = link->conf.Vpp2 =
+                                cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
+#endif
+                } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) {
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+                        pdev->conf.Vpp =
+                                dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
+#else
+                        link->conf.Vpp1 = link->conf.Vpp2 =
+                                dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
+#endif
+		}
+
+		/* Do we need to allocate an interrupt? */
+		/* HACK: due to a bad CIS....we ALWAYS need an interrupt */
+		/* if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+		pdev->conf.Attributes |= CONF_ENABLE_IRQ;
+#else
+		link->conf.Attributes |= CONF_ENABLE_IRQ;
+#endif
+
+		/* IO window settings */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+		pdev->io.NumPorts1 = pdev->io.NumPorts2 = 0;
+		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
+			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
+			pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+			if (!(io->flags & CISTPL_IO_8BIT))
+				pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+			if (!(io->flags & CISTPL_IO_16BIT))
+				pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+			pdev->io.BasePort1 = io->win[0].base;
+			if  ( pdev->io.BasePort1 != 0 ) {
+				WLAN_LOG_WARNING(
+				"Brain damaged CIS: hard coded iobase="
+				"0x%x, try letting pcmcia_cs decide...\n",
+				pdev->io.BasePort1 );
+				pdev->io.BasePort1 = 0;
+			}
+			pdev->io.NumPorts1 = io->win[0].len;
+			if (io->nwin > 1) {
+				pdev->io.Attributes2 = pdev->io.Attributes1;
+				pdev->io.BasePort2 = io->win[1].base;
+				pdev->io.NumPorts2 = io->win[1].len;
+			}
+		}
+		/* This reserves IO space but doesn't actually enable it */
+		CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &pdev->io));
+#else
+		link->io.NumPorts1 = link->io.NumPorts2 = 0;
+		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
+			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
+			link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+			if (!(io->flags & CISTPL_IO_8BIT))
+				link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+			if (!(io->flags & CISTPL_IO_16BIT))
+				link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+			link->io.BasePort1 = io->win[0].base;
+			if  ( link->io.BasePort1 != 0 ) {
+				WLAN_LOG_WARNING(
+				"Brain damaged CIS: hard coded iobase="
+				"0x%x, try letting pcmcia_cs decide...\n",
+				link->io.BasePort1 );
+				link->io.BasePort1 = 0;
+			}
+			link->io.NumPorts1 = io->win[0].len;
+			if (io->nwin > 1) {
+				link->io.Attributes2 = link->io.Attributes1;
+				link->io.BasePort2 = io->win[1].base;
+				link->io.NumPorts2 = io->win[1].len;
+			}
+		}
+		/* This reserves IO space but doesn't actually enable it */
+		CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &link->io));
+#endif
+		/* If we got this far, we're cool! */
+		break;
+
+	next_entry:
+		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+			dflt = *cfg;
+		CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple));
+
+	}
+
+	/* Let pcmcia know the device name */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	pdev->dev_node = &hw->node;
+#else
+	link->dev = &hw->node;
+#endif
+
+	/* Register the network device and get assigned a name */
+	SET_MODULE_OWNER(wlandev->netdev);
+	SET_NETDEV_DEV(wlandev->netdev,  &handle_to_dev(pdev));
+	if (register_wlandev(wlandev) != 0) {
+		WLAN_LOG_NOTICE("prism2sta_cs: register_wlandev() failed.\n");
+		goto failed;
+	}
+
+	strcpy(hw->node.dev_name, wlandev->name);
+
+	/* Allocate an interrupt line.  Note that this does not assign a */
+	/* handler to the interrupt, unless the 'Handler' member of the */
+	/* irq structure is initialized. */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	if (pdev->conf.Attributes & CONF_ENABLE_IRQ) {
+		pdev->irq.IRQInfo1 = IRQ_LEVEL_ID;
+		pdev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+		pdev->irq.Handler = hfa384x_interrupt;
+		pdev->irq.Instance = wlandev;
+		CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
+	}
+#else
+	if (link->conf.Attributes & CONF_ENABLE_IRQ) {
+		link->irq.IRQInfo1 = IRQ_LEVEL_ID;
+		link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+		link->irq.Handler = hfa384x_interrupt;
+		link->irq.Instance = wlandev;
+		CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &link->irq));
+	}
+#endif
+
+	/* This actually configures the PCMCIA socket -- setting up */
+	/* the I/O windows and the interrupt mapping, and putting the */
+	/* card and host interface into "Memory and IO" mode. */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
+#else
+	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &link->conf));
+#endif
+
+	/* Fill the netdevice with this info */
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	wlandev->netdev->irq = pdev->irq.AssignedIRQ;
+	wlandev->netdev->base_addr = pdev->io.BasePort1;
+#else
+	wlandev->netdev->irq = link->irq.AssignedIRQ;
+	wlandev->netdev->base_addr = link->io.BasePort1;
+#endif
+
+	/* And the rest of the hw structure */
+	hw->irq = wlandev->netdev->irq;
+	hw->iobase = wlandev->netdev->base_addr;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
+	link->state |= DEV_CONFIG;
+	link->state &= ~DEV_CONFIG_PENDING;
+#endif
+
+	/* And now we're done! */
+	wlandev->msdstate = WLAN_MSD_HWPRESENT;
+
+	goto done;
+
+ cs_failed:
+        cs_error(pdev, last_fn, last_ret);
+
+failed:
+	// wlandev, hw, etc etc..
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	pdev->priv = NULL;
+#else
+	pdev->instance = NULL;
+	if (link) {
+		link->priv = NULL;
+		kfree(link);
+	}
+#endif
+	if (wlandev) {
+		wlan_unsetup(wlandev);
+		if (wlandev->priv) {
+			hw = wlandev->priv;
+			wlandev->priv = NULL;
+			if (hw) {
+				hfa384x_destroy(hw);
+				kfree(hw);
+			}
+		}
+		kfree(wlandev);
+	}
+
+done:
+	if (parse) kfree(parse);
+
+	DBFEXIT;
+	return rval;
+}
+#else  // <= 2.6.15
+#define CS_CHECK(fn, ret) \
+do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+#define CFG_CHECK(fn, retf) \
+do { int ret = (retf); \
+if (ret != 0) { \
+        WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \
+        cs_error(link->handle, fn, ret); \
+        goto next_entry; \
+} \
+} while (0)
+
+/*----------------------------------------------------------------
+* prism2sta_attach
+*
+* Half of the attach/detach pair.  Creates and registers a device
+* instance with Card Services.  In this case, it also creates the
+* wlandev structure and device private structure.  These are
+* linked to the device instance via its priv member.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	A valid ptr to dev_link_t on success, NULL otherwise
+*
+* Side effects:
+*
+*
+* Call context:
+*	process thread (insmod/init_module/register_pccard_driver)
+----------------------------------------------------------------*/
+dev_link_t *prism2sta_attach(void)
+{
+	client_reg_t		client_reg;
+	int			result;
+	dev_link_t		*link = NULL;
+	wlandevice_t		*wlandev = NULL;
+	hfa384x_t		*hw = NULL;
+
+	DBFENTER;
+
+	/* Alloc our structures */
+	link =		kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
+
+	if (!link || ((wlandev = create_wlan()) == NULL)) {
+		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
+		result = -EIO;
+		goto failed;
+	}
+	hw = wlandev->priv;
+
+	/* Clear all the structs */
+	memset(link, 0, sizeof(struct dev_link_t));
+
+	if ( wlan_setup(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
+		result = -EIO;
+		goto failed;
+	}
+
+	/* Initialize the hw struct for now */
+	hfa384x_create(hw, 0, 0, NULL);
+	hw->wlandev = wlandev;
+
+	/* Initialize the PC card device object. */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
+	init_timer(&link->release);
+	link->release.function = &prism2sta_release;
+	link->release.data = (u_long)link;
+#endif
+	link->conf.IntType = INT_MEMORY_AND_IO;
+	link->priv = wlandev;
+#if (defined(CS_RELEASE_CODE) && (CS_RELEASE_CODE < 0x2911))
+	link->irq.Instance = wlandev;
+#endif
+
+	/* Link in to the list of devices managed by this driver */
+	link->next = dev_list;
+	dev_list = link;
+
+	/* Register with Card Services */
+	client_reg.dev_info = &dev_info;
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) )
+	client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) )
+	client_reg.EventMask =
+		CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
+		CS_EVENT_RESET_REQUEST |
+		CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
+		CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
+	client_reg.event_handler = &prism2sta_event;
+#endif
+
+	client_reg.Version = 0x0210;
+	client_reg.event_callback_args.client_data = link;
+
+	result = pcmcia_register_client(&link->handle, &client_reg);
+	if (result != 0) {
+		cs_error(link->handle, RegisterClient, result);
+		prism2sta_detach(link);
+		return NULL;
+	}
+
+	goto done;
+
+ failed:
+	if (link)	kfree(link);
+	if (wlandev)	kfree(wlandev);
+	if (hw)		kfree(hw);
+	link = NULL;
+
+ done:
+	DBFEXIT;
+	return link;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_detach
+*
+* Remove one of the device instances managed by this driver.
+*   Search the list for the given instance,
+*   check our flags for a waiting timer'd release call
+*   call release
+*   Deregister the instance with Card Services
+*   (netdevice) unregister the network device.
+*   unlink the instance from the list
+*   free the link, priv, and priv->priv memory
+* Note: the dev_list variable is a driver scoped static used to
+*	maintain a list of device instances managed by this
+*	driver.
+*
+* Arguments:
+*	link	ptr to the instance to detach
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	the link structure is gone, the netdevice is gone
+*
+* Call context:
+*	Might be interrupt, don't block.
+----------------------------------------------------------------*/
+void prism2sta_detach(dev_link_t *link)
+{
+	dev_link_t		**linkp;
+	wlandevice_t		*wlandev;
+	hfa384x_t		*hw;
+
+	DBFENTER;
+
+	/* Locate prev device structure */
+	for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) {
+		if (*linkp == link) break;
+	}
+
+	if (*linkp != NULL) {
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
+		unsigned long	flags;
+		/* Get rid of any timer'd release call */
+		save_flags(flags);
+		cli();
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
+		if (link->state & DEV_RELEASE_PENDING) {
+			del_timer_sync(&link->release);
+			link->state &= ~DEV_RELEASE_PENDING;
+		}
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
+		restore_flags(flags);
+#endif
+
+		/* If link says we're still config'd, call release */
+		if (link->state & DEV_CONFIG) {
+			prism2sta_release((u_long)link);
+			if (link->state & DEV_STALE_CONFIG) {
+				link->state |= DEV_STALE_LINK;
+				return;
+			}
+		}
+
+		/* Tell Card Services we're not around any more */
+		if (link->handle) {
+			pcmcia_deregister_client(link->handle);
+		}
+
+		/* Unlink device structure, free bits */
+		*linkp = link->next;
+		if ( link->priv != NULL ) {
+			wlandev = (wlandevice_t*)link->priv;
+			p80211netdev_hwremoved(wlandev);
+			if (link->dev != NULL) {
+				unregister_wlandev(wlandev);
+			}
+			wlan_unsetup(wlandev);
+			if (wlandev->priv) {
+				hw = wlandev->priv;
+				wlandev->priv = NULL;
+				if (hw) {
+					hfa384x_destroy(hw);
+					kfree(hw);
+				}
+			}
+			link->priv = NULL;
+			kfree(wlandev);
+		}
+		kfree(link);
+	}
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_config
+*
+* Half of the config/release pair.  Usually called in response to
+* a card insertion event.  At this point, we _know_ there's some
+* physical device present.  That means we can start poking around
+* at the CIS and at any device specific config data we want.
+*
+* Note the gotos and the macros.  I recoded this once without
+* them, and it got incredibly ugly.  It's actually simpler with
+* them.
+*
+* Arguments:
+*	link	the dev_link_t structure created in attach that
+*		represents this device instance.
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	Resources (irq, io, mem) are allocated
+*	The pcmcia dev_link->node->name is set
+*	(For netcards) The device structure is finished and,
+*	  most importantly, registered.  This means that there
+*	  is now a _named_ device that can be configured from
+*	  userland.
+*
+* Call context:
+*	May be called from a timer.  Don't block!
+----------------------------------------------------------------*/
+#define CS_CHECK(fn, ret) \
+do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
+
+#define CFG_CHECK(fn, retf) \
+do { int ret = (retf); \
+if (ret != 0) { \
+        WLAN_LOG_DEBUG(1, "CardServices(" #fn ") returned %d\n", ret); \
+        cs_error(link->handle, fn, ret); \
+        goto next_entry; \
+} \
+} while (0)
+
+void prism2sta_config(dev_link_t *link)
+{
+	client_handle_t		handle;
+	wlandevice_t		*wlandev;
+	hfa384x_t               *hw;
+	int			last_fn;
+	int			last_ret;
+	tuple_t			tuple;
+	cisparse_t		parse;
+	config_info_t		socketconf;
+	UINT8			buf[64];
+	int			minVcc = 0;
+	int			maxVcc = 0;
+	cistpl_cftable_entry_t	dflt = { 0 };
+
+	DBFENTER;
+
+	handle = link->handle;
+	wlandev = (wlandevice_t*)link->priv;
+	hw = wlandev->priv;
+
+	/* Collect the config register info */
+	tuple.DesiredTuple = CISTPL_CONFIG;
+	tuple.Attributes = 0;
+	tuple.TupleData = buf;
+	tuple.TupleDataMax = sizeof(buf);
+	tuple.TupleOffset = 0;
+	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
+	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+
+	link->conf.ConfigBase = parse.config.base;
+	link->conf.Present = parse.config.rmask[0];
+
+	/* Configure card */
+	link->state |= DEV_CONFIG;
+
+	/* Acquire the current socket config (need Vcc setting) */
+	CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &socketconf));
+
+	/* Loop through the config table entries until we find one that works */
+	/* Assumes a complete and valid CIS */
+	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
+	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
+	while (1) {
+		cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
+		CFG_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
+		CFG_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+
+		if (cfg->index == 0) goto next_entry;
+		link->conf.ConfigIndex = cfg->index;
+
+		/* Lets print out the Vcc that the controller+pcmcia-cs set
+		 * for us, cause that's what we're going to use.
+		 */
+		WLAN_LOG_DEBUG(1,"Initial Vcc=%d/10v\n", socketconf.Vcc);
+		if (prism2_ignorevcc) {
+			link->conf.Vcc = socketconf.Vcc;
+			goto skipvcc;
+		}
+
+		/* Use power settings for Vcc and Vpp if present */
+		/* Note that the CIS values need to be rescaled */
+		if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
+			WLAN_LOG_DEBUG(1, "Vcc obtained from curtupl.VNOM\n");
+			minVcc = maxVcc =
+				cfg->vcc.param[CISTPL_POWER_VNOM]/10000;
+		} else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
+			WLAN_LOG_DEBUG(1, "Vcc set from dflt.VNOM\n");
+			minVcc = maxVcc =
+				dflt.vcc.param[CISTPL_POWER_VNOM]/10000;
+		} else if ((cfg->vcc.present & (1<<CISTPL_POWER_VMAX)) &&
+			   (cfg->vcc.present & (1<<CISTPL_POWER_VMIN)) ) {
+			WLAN_LOG_DEBUG(1, "Vcc set from curtupl(VMIN,VMAX)\n");			minVcc = cfg->vcc.param[CISTPL_POWER_VMIN]/10000;
+			maxVcc = cfg->vcc.param[CISTPL_POWER_VMAX]/10000;
+		} else if ((dflt.vcc.present & (1<<CISTPL_POWER_VMAX)) &&
+			   (dflt.vcc.present & (1<<CISTPL_POWER_VMIN)) ) {
+			WLAN_LOG_DEBUG(1, "Vcc set from dflt(VMIN,VMAX)\n");
+			minVcc = dflt.vcc.param[CISTPL_POWER_VMIN]/10000;
+			maxVcc = dflt.vcc.param[CISTPL_POWER_VMAX]/10000;
+		}
+
+		if ( socketconf.Vcc >= minVcc && socketconf.Vcc <= maxVcc) {
+			link->conf.Vcc = socketconf.Vcc;
+		} else {
+			/* [MSM]: Note that I've given up trying to change
+			 * the Vcc if a change is indicated.  It seems the
+			 * system&socketcontroller&card vendors can't seem
+			 * to get it right, so I'm tired of trying to hack
+			 * my way around it.  pcmcia-cs does its best using
+			 * the voltage sense pins but sometimes the controller
+			 * lies.  Then, even if we have a good read on the VS
+			 * pins, some system designs will silently ignore our
+			 * requests to set the voltage.  Additionally, some
+			 * vendors have 3.3v indicated on their sense pins,
+			 * but 5v specified in the CIS or vice-versa.  I've
+			 * had it.  My only recommendation is "let the buyer
+			 * beware".  Your system might supply 5v to a 3v card
+			 * (possibly causing damage) or a 3v capable system
+			 * might supply 5v to a 3v capable card (wasting
+			 * precious battery life).
+			 * My only recommendation (if you care) is to get
+			 * yourself an extender card (I don't know where, I
+			 * have only one myself) and a meter and test it for
+			 * yourself.
+			 */
+			goto next_entry;
+		}
+skipvcc:
+		WLAN_LOG_DEBUG(1, "link->conf.Vcc=%d\n", link->conf.Vcc);
+
+		/* Do we need to allocate an interrupt? */
+		/* HACK: due to a bad CIS....we ALWAYS need an interrupt */
+		/* if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) */
+			link->conf.Attributes |= CONF_ENABLE_IRQ;
+
+		/* IO window settings */
+		link->io.NumPorts1 = link->io.NumPorts2 = 0;
+		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
+			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
+			link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+			if (!(io->flags & CISTPL_IO_8BIT))
+				link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+			if (!(io->flags & CISTPL_IO_16BIT))
+				link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+			link->io.BasePort1 = io->win[0].base;
+			if  ( link->io.BasePort1 != 0 ) {
+				WLAN_LOG_WARNING(
+				"Brain damaged CIS: hard coded iobase="
+				"0x%x, try letting pcmcia_cs decide...\n",
+				link->io.BasePort1 );
+				link->io.BasePort1 = 0;
+			}
+			link->io.NumPorts1 = io->win[0].len;
+			if (io->nwin > 1) {
+				link->io.Attributes2 = link->io.Attributes1;
+				link->io.BasePort2 = io->win[1].base;
+				link->io.NumPorts2 = io->win[1].len;
+			}
+		}
+
+		/* This reserves IO space but doesn't actually enable it */
+		CFG_CHECK(RequestIO, pcmcia_request_io(link->handle, &link->io));
+
+		/* If we got this far, we're cool! */
+		break;
+
+next_entry:
+		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
+			dflt = *cfg;
+		CS_CHECK(GetNextTuple,
+                         pcmcia_get_next_tuple(handle, &tuple));
+	}
+
+	/* Allocate an interrupt line.  Note that this does not assign a */
+	/* handler to the interrupt, unless the 'Handler' member of the */
+	/* irq structure is initialized. */
+	if (link->conf.Attributes & CONF_ENABLE_IRQ)
+	{
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) )
+		int			i;
+		link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
+		if (irq_list[0] == -1)
+			link->irq.IRQInfo2 = irq_mask;
+		else
+			for (i=0; i<4; i++)
+				link->irq.IRQInfo2 |= 1 << irq_list[i];
+#else
+		link->irq.IRQInfo1 = IRQ_LEVEL_ID;
+#endif
+		link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
+		link->irq.Handler = hfa384x_interrupt;
+		link->irq.Instance = wlandev;
+		CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
+	}
+
+	/* This actually configures the PCMCIA socket -- setting up */
+	/* the I/O windows and the interrupt mapping, and putting the */
+	/* card and host interface into "Memory and IO" mode. */
+	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
+
+	/* Fill the netdevice with this info */
+	wlandev->netdev->irq = link->irq.AssignedIRQ;
+	wlandev->netdev->base_addr = link->io.BasePort1;
+
+	/* Report what we've done */
+	WLAN_LOG_INFO("%s: index 0x%02x: Vcc %d.%d",
+		dev_info, link->conf.ConfigIndex,
+		link->conf.Vcc/10, link->conf.Vcc%10);
+	if (link->conf.Vpp1)
+		printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10);
+	if (link->conf.Attributes & CONF_ENABLE_IRQ)
+		printk(", irq %d", link->irq.AssignedIRQ);
+	if (link->io.NumPorts1)
+		printk(", io 0x%04x-0x%04x", link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1-1);
+	if (link->io.NumPorts2)
+		printk(" & 0x%04x-0x%04x", link->io.BasePort2, link->io.BasePort2+link->io.NumPorts2-1);
+	printk("\n");
+
+	link->state &= ~DEV_CONFIG_PENDING;
+
+	/* Let pcmcia know the device name */
+	link->dev = &hw->node;
+
+	/* Register the network device and get assigned a name */
+	SET_MODULE_OWNER(wlandev->netdev);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11) )
+	SET_NETDEV_DEV(wlandev->netdev,  &handle_to_dev(link->handle));
+#endif
+	if (register_wlandev(wlandev) != 0) {
+		WLAN_LOG_NOTICE("prism2sta_cs: register_wlandev() failed.\n");
+		goto failed;
+	}
+
+	strcpy(hw->node.dev_name, wlandev->name);
+
+	/* Any device custom config/query stuff should be done here */
+	/* For a netdevice, we should at least grab the mac address */
+
+	return;
+cs_failed:
+	cs_error(link->handle, last_fn, last_ret);
+	WLAN_LOG_ERROR("NextTuple failure? It's probably a Vcc mismatch.\n");
+
+failed:
+	prism2sta_release((u_long)link);
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_release
+*
+* Half of the config/release pair.  Usually called in response to
+* a card ejection event.  Checks to make sure no higher layers
+* are still (or think they are) using the card via the link->open
+* field.
+*
+* NOTE: Don't forget to increment the link->open variable in the
+*  device_open method, and decrement it in the device_close
+*  method.
+*
+* Arguments:
+*	arg	a generic 32 bit variable.  It's the value that
+*		we assigned to link->release.data in sta_attach().
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*	All resources should be released after this function
+*	executes and finds the device !open.
+*
+* Call context:
+*	Possibly in a timer context.  Don't do anything that'll
+*	block.
+----------------------------------------------------------------*/
+void prism2sta_release(u_long arg)
+{
+        dev_link_t	*link = (dev_link_t *)arg;
+
+	DBFENTER;
+
+	/* First thing we should do is get the MSD back to the
+	 * HWPRESENT state.  I.e. everything quiescent.
+	 */
+	prism2sta_ifstate(link->priv, P80211ENUM_ifstate_disable);
+
+        if (link->open) {
+		/* TODO: I don't think we're even using this bit of code
+		 * and I don't think it's hurting us at the moment.
+		 */
+                WLAN_LOG_DEBUG(1,
+			"prism2sta_cs: release postponed, '%s' still open\n",
+			link->dev->dev_name);
+                link->state |= DEV_STALE_CONFIG;
+                return;
+        }
+
+        pcmcia_release_configuration(link->handle);
+        pcmcia_release_io(link->handle, &link->io);
+        pcmcia_release_irq(link->handle, &link->irq);
+
+        link->state &= ~(DEV_CONFIG | DEV_RELEASE_PENDING);
+
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_event
+*
+* Handler for card services events.
+*
+* Arguments:
+*	event		The event code
+*	priority	hi/low - REMOVAL is the only hi
+*	args		ptr to card services struct containing info about
+*			pcmcia status
+*
+* Returns:
+*	Zero on success, non-zero otherwise
+*
+* Side effects:
+*
+*
+* Call context:
+*	Both interrupt and process thread, depends on the event.
+----------------------------------------------------------------*/
+static int
+prism2sta_event (
+	event_t event,
+	int priority,
+	event_callback_args_t *args)
+{
+	int			result = 0;
+	dev_link_t		*link = (dev_link_t *) args->client_data;
+	wlandevice_t		*wlandev = (wlandevice_t*)link->priv;
+	hfa384x_t		*hw = NULL;
+
+	DBFENTER;
+
+	if (wlandev) hw = wlandev->priv;
+
+	switch (event)
+	{
+	case CS_EVENT_CARD_INSERTION:
+		WLAN_LOG_DEBUG(5,"event is INSERTION\n");
+		link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+		prism2sta_config(link);
+		if (!(link->state & DEV_CONFIG)) {
+			wlandev->netdev->irq = 0;
+			WLAN_LOG_ERROR(
+				"%s: Initialization failed!\n", dev_info);
+			wlandev->msdstate = WLAN_MSD_HWFAIL;
+			break;
+		}
+
+		/* Fill in the rest of the hw struct */
+		hw->irq = wlandev->netdev->irq;
+		hw->iobase = wlandev->netdev->base_addr;
+		hw->link = link;
+
+		if (prism2_doreset) {
+			result = hfa384x_corereset(hw,
+					prism2_reset_holdtime,
+					prism2_reset_settletime, 0);
+			if ( result ) {
+				WLAN_LOG_ERROR(
+					"corereset() failed, result=%d.\n",
+					result);
+				wlandev->msdstate = WLAN_MSD_HWFAIL;
+				break;
+			}
+		}
+
+#if 0
+		/*
+		 * TODO: test_hostif() not implemented yet.
+		 */
+		result = hfa384x_test_hostif(hw);
+		if (result) {
+			WLAN_LOG_ERROR(
+			"test_hostif() failed, result=%d.\n", result);
+			wlandev->msdstate = WLAN_MSD_HWFAIL;
+			break;
+		}
+#endif
+		wlandev->msdstate = WLAN_MSD_HWPRESENT;
+		break;
+
+	case CS_EVENT_CARD_REMOVAL:
+		WLAN_LOG_DEBUG(5,"event is REMOVAL\n");
+		link->state &= ~DEV_PRESENT;
+
+		if (wlandev) {
+			p80211netdev_hwremoved(wlandev);
+		}
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
+		if (link->state & DEV_CONFIG)
+		{
+			link->release.expires = jiffies + (HZ/20);
+			add_timer(&link->release);
+		}
+#endif
+		break;
+	case CS_EVENT_RESET_REQUEST:
+		WLAN_LOG_DEBUG(5,"event is RESET_REQUEST\n");
+		WLAN_LOG_NOTICE(
+			"prism2 card reset not supported "
+			"due to post-reset user mode configuration "
+			"requirements.\n");
+		WLAN_LOG_NOTICE(
+			"  From user mode, use "
+			"'cardctl suspend;cardctl resume' "
+			"instead.\n");
+		break;
+	case CS_EVENT_RESET_PHYSICAL:
+	case CS_EVENT_CARD_RESET:
+		WLAN_LOG_WARNING("Rx'd CS_EVENT_RESET_xxx, should not "
+			"be possible since RESET_REQUEST was denied.\n");
+		break;
+
+	case CS_EVENT_PM_SUSPEND:
+		WLAN_LOG_DEBUG(5,"event is SUSPEND\n");
+		link->state |= DEV_SUSPEND;
+		if (link->state & DEV_CONFIG)
+		{
+			prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+			pcmcia_release_configuration(link->handle);
+		}
+		break;
+
+	case CS_EVENT_PM_RESUME:
+		WLAN_LOG_DEBUG(5,"event is RESUME\n");
+		link->state &= ~DEV_SUSPEND;
+		if (link->state & DEV_CONFIG) {
+			pcmcia_request_configuration(link->handle, &link->conf);
+		}
+		break;
+	}
+
+	DBFEXIT;
+	return 0;  /* noone else does anthing with the return value */
+}
+#endif // <= 2.6.15
+
+
+
+int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
+{
+	int		result = 0;
+	conf_reg_t	reg;
+	UINT8		corsave;
+	DBFENTER;
+
+	WLAN_LOG_DEBUG(3, "Doing reset via CardServices().\n");
+
+	/* Collect COR */
+	reg.Function = 0;
+	reg.Action = CS_READ;
+	reg.Offset = CISREG_COR;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	result = pcmcia_access_configuration_register(hw->pdev, &reg);
+#else
+	result = pcmcia_access_configuration_register(
+			hw->link->handle,
+			&reg);
+#endif
+	if (result != CS_SUCCESS ) {
+		WLAN_LOG_ERROR(
+			":0: AccessConfigurationRegister(CS_READ) failed,"
+			"result=%d.\n", result);
+		result = -EIO;
+	}
+	corsave = reg.Value;
+
+	/* Write reset bit (BIT7) */
+	reg.Value |= BIT7;
+	reg.Action = CS_WRITE;
+	reg.Offset = CISREG_COR;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	result = pcmcia_access_configuration_register(hw->pdev, &reg);
+#else
+	result = pcmcia_access_configuration_register(
+			hw->link->handle,
+			&reg);
+#endif
+	if (result != CS_SUCCESS ) {
+		WLAN_LOG_ERROR(
+			":1: AccessConfigurationRegister(CS_WRITE) failed,"
+			"result=%d.\n", result);
+		result = -EIO;
+	}
+
+	/* Hold for holdtime */
+	mdelay(holdtime);
+
+	if (genesis) {
+		reg.Value = genesis;
+		reg.Action = CS_WRITE;
+		reg.Offset = CISREG_CCSR;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+		result = pcmcia_access_configuration_register(hw->pdev, &reg);
+#else
+		result = pcmcia_access_configuration_register(
+				      hw->link->handle,
+				      &reg);
+#endif
+		if (result != CS_SUCCESS ) {
+			WLAN_LOG_ERROR(
+				":1: AccessConfigurationRegister(CS_WRITE) failed,"
+				"result=%d.\n", result);
+			result = -EIO;
+		}
+	}
+
+	/* Hold for holdtime */
+	mdelay(holdtime);
+
+	/* Clear reset bit */
+	reg.Value &= ~BIT7;
+	reg.Action = CS_WRITE;
+	reg.Offset = CISREG_COR;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	result = pcmcia_access_configuration_register(hw->pdev, &reg);
+#else
+	result = pcmcia_access_configuration_register(
+				      hw->link->handle,
+				      &reg);
+#endif
+	if (result != CS_SUCCESS ) {
+		WLAN_LOG_ERROR(
+			":2: AccessConfigurationRegister(CS_WRITE) failed,"
+			"result=%d.\n", result);
+		result = -EIO;
+		goto done;
+	}
+
+	/* Wait for settletime */
+	mdelay(settletime);
+
+	/* Set non-reset bits back what they were */
+	reg.Value = corsave;
+	reg.Action = CS_WRITE;
+	reg.Offset = CISREG_COR;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
+	result = pcmcia_access_configuration_register(hw->pdev, &reg);
+#else
+	result = pcmcia_access_configuration_register(
+				      hw->link->handle,
+				      &reg);
+#endif
+	if (result != CS_SUCCESS ) {
+		WLAN_LOG_ERROR(
+			":2: AccessConfigurationRegister(CS_WRITE) failed,"
+			"result=%d.\n", result);
+		result = -EIO;
+		goto done;
+	}
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+#ifdef MODULE
+
+static int __init prism2cs_init(void)
+{
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68))
+	servinfo_t	serv;
+#endif
+
+	DBFENTER;
+
+        WLAN_LOG_NOTICE("%s Loaded\n", version);
+        WLAN_LOG_NOTICE("dev_info is: %s\n", dev_info);
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68))
+	pcmcia_get_card_services_info(&serv);
+	if ( serv.Revision != CS_RELEASE_CODE )
+	{
+		printk(KERN_NOTICE"%s: CardServices release does not match!\n", dev_info);
+		return -1;
+	}
+
+	/* This call will result in a call to prism2sta_attach */
+	/*   and eventually prism2sta_detach */
+	register_pccard_driver( &dev_info, &prism2sta_attach, &prism2sta_detach);
+#else
+	pcmcia_register_driver(&prism2_cs_driver);
+#endif
+
+	DBFEXIT;
+	return 0;
+}
+
+static void __exit prism2cs_cleanup(void)
+{
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68))
+        dev_link_t *link = dev_list;
+        dev_link_t *nlink;
+        DBFENTER;
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) )
+	for (link=dev_list; link != NULL; link = nlink) {
+		nlink = link->next;
+		if ( link->state & DEV_CONFIG ) {
+			prism2sta_release((u_long)link);
+		}
+		prism2sta_detach(link); /* remember detach() frees link */
+	}
+#endif
+
+	unregister_pccard_driver( &dev_info);
+#else
+	pcmcia_unregister_driver(&prism2_cs_driver);
+#endif
+
+        printk(KERN_NOTICE "%s Unloaded\n", version);
+
+        DBFEXIT;
+        return;
+}
+
+module_init(prism2cs_init);
+module_exit(prism2cs_cleanup);
+
+#endif // MODULE
+
diff --git a/drivers/staging/wlan-ng/prism2_pci.c b/drivers/staging/wlan-ng/prism2_pci.c
new file mode 100644
index 00000000000..afe32dfbf6b
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2_pci.c
@@ -0,0 +1,332 @@
+#define WLAN_HOSTIF WLAN_PCI
+#include "hfa384x.c"
+#include "prism2mgmt.c"
+#include "prism2mib.c"
+#include "prism2sta.c"
+
+#define PCI_SIZE		0x1000		/* Memory size - 4K bytes */
+
+/* ISL3874A 11Mb/s WLAN controller */
+#define PCIVENDOR_INTERSIL	0x1260UL
+#define PCIDEVICE_ISL3874	0x3873UL /* [MSM] yeah I know...the ID says
+					    3873. Trust me, it's a 3874. */
+
+/* Samsung SWL-2210P 11Mb/s WLAN controller (uses ISL3874A) */
+#define PCIVENDOR_SAMSUNG      0x167dUL
+#define PCIDEVICE_SWL_2210P    0xa000UL
+
+#define PCIVENDOR_NETGEAR      0x1385UL /* for MA311 */
+
+/* PCI Class & Sub-Class code, Network-'Other controller' */
+#define PCI_CLASS_NETWORK_OTHERS 0x280
+
+
+/*----------------------------------------------------------------
+* prism2sta_probe_pci
+*
+* Probe routine called when a PCI device w/ matching ID is found.
+* The ISL3874 implementation uses the following map:
+*   BAR0: Prism2.x registers memory mapped, size=4k
+* Here's the sequence:
+*   - Allocate the PCI resources.
+*   - Read the PCMCIA attribute memory to make sure we have a WLAN card
+*   - Reset the MAC
+*   - Initialize the netdev and wlan data
+*   - Initialize the MAC
+*
+* Arguments:
+*	pdev		ptr to pci device structure containing info about
+*			pci configuration.
+*	id		ptr to the device id entry that matched this device.
+*
+* Returns:
+*	zero		- success
+*	negative	- failed
+*
+* Side effects:
+*
+*
+* Call context:
+*	process thread
+*
+----------------------------------------------------------------*/
+static int __devinit
+prism2sta_probe_pci(
+	struct pci_dev *pdev,
+	const struct pci_device_id *id)
+{
+	int		result;
+	phys_t		phymem = 0;
+	void		__iomem *mem = NULL;
+        wlandevice_t    *wlandev = NULL;
+	hfa384x_t	*hw = NULL;
+
+	DBFENTER;
+
+	/* Enable the pci device */
+	if (pci_enable_device(pdev)) {
+		WLAN_LOG_ERROR("%s: pci_enable_device() failed.\n", dev_info);
+		result = -EIO;
+		goto fail;
+	}
+
+	/* Figure out our resources */
+	phymem = pci_resource_start(pdev, 0);
+
+        if (!request_mem_region(phymem, pci_resource_len(pdev, 0), "Prism2")) {
+		printk(KERN_ERR "prism2: Cannot reserve PCI memory region\n");
+		result = -EIO;
+		goto fail;
+        }
+
+	mem = ioremap(phymem, PCI_SIZE);
+	if ( mem == 0 ) {
+		WLAN_LOG_ERROR("%s: ioremap() failed.\n", dev_info);
+		result = -EIO;
+		goto fail;
+	}
+
+	/* Log the device */
+        WLAN_LOG_INFO("A Prism2.5 PCI device found, "
+		"phymem:0x%llx, irq:%d, mem:0x%p\n",
+		(unsigned long long)phymem, pdev->irq, mem);
+
+	if ((wlandev = create_wlan()) == NULL) {
+		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
+		result = -EIO;
+		goto fail;
+	}
+	hw = wlandev->priv;
+
+	if ( wlan_setup(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
+		result = -EIO;
+		goto fail;
+	}
+
+	/* Setup netdevice's ability to report resources
+	 * Note: the netdevice was allocated by wlan_setup()
+	 */
+        wlandev->netdev->irq = pdev->irq;
+        wlandev->netdev->mem_start = (unsigned long) mem;
+        wlandev->netdev->mem_end = wlandev->netdev->mem_start +
+		pci_resource_len(pdev, 0);
+
+	/* Initialize the hw data */
+        hfa384x_create(hw, wlandev->netdev->irq, 0, mem);
+	hw->wlandev = wlandev;
+
+	/* Register the wlandev, this gets us a name and registers the
+	 * linux netdevice.
+	 */
+	SET_MODULE_OWNER(wlandev->netdev);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+       SET_NETDEV_DEV(wlandev->netdev, &(pdev->dev));
+#endif
+        if ( register_wlandev(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
+		result = -EIO;
+		goto fail;
+        }
+
+#if 0
+	/* TODO: Move this and an irq test into an hfa384x_testif() routine.
+	 */
+	outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
+	reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
+	if ( reg != PRISM2STA_MAGIC ) {
+		WLAN_LOG_ERROR("MAC register access test failed!\n");
+		result = -EIO;
+		goto fail;
+	}
+#endif
+
+	/* Do a chip-level reset on the MAC */
+	if (prism2_doreset) {
+		result = hfa384x_corereset(hw,
+				prism2_reset_holdtime,
+				prism2_reset_settletime, 0);
+		if (result != 0) {
+			WLAN_LOG_ERROR(
+				"%s: hfa384x_corereset() failed.\n",
+				dev_info);
+			unregister_wlandev(wlandev);
+			hfa384x_destroy(hw);
+			result = -EIO;
+			goto fail;
+		}
+	}
+
+        pci_set_drvdata(pdev, wlandev);
+
+	/* Shouldn't actually hook up the IRQ until we
+	 * _know_ things are alright.  A test routine would help.
+	 */
+       	request_irq(wlandev->netdev->irq, hfa384x_interrupt,
+		SA_SHIRQ, wlandev->name, wlandev);
+
+	wlandev->msdstate = WLAN_MSD_HWPRESENT;
+
+	result = 0;
+	goto done;
+
+ fail:
+	pci_set_drvdata(pdev, NULL);
+	if (wlandev)	kfree(wlandev);
+	if (hw)		kfree(hw);
+        if (mem)        iounmap(mem);
+	pci_release_regions(pdev);
+        pci_disable_device(pdev);
+
+ done:
+	DBFEXIT;
+	return result;
+}
+
+static void __devexit prism2sta_remove_pci(struct pci_dev *pdev)
+{
+       	wlandevice_t		*wlandev;
+	hfa384x_t	*hw;
+
+	wlandev = (wlandevice_t *) pci_get_drvdata(pdev);
+	hw = wlandev->priv;
+
+	p80211netdev_hwremoved(wlandev);
+
+	/* reset hardware */
+	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+
+        if (pdev->irq)
+		free_irq(pdev->irq, wlandev);
+
+	unregister_wlandev(wlandev);
+
+	/* free local stuff */
+	if (hw) {
+		hfa384x_destroy(hw);
+		kfree(hw);
+	}
+
+	iounmap((void __iomem *)wlandev->netdev->mem_start);
+	wlan_unsetup(wlandev);
+
+	pci_release_regions(pdev);
+        pci_disable_device(pdev);
+	pci_set_drvdata(pdev, NULL);
+
+	kfree(wlandev);
+}
+
+
+static struct pci_device_id pci_id_tbl[] = {
+	{
+		PCIVENDOR_INTERSIL, PCIDEVICE_ISL3874,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Intersil Prism2.5 ISL3874 11Mb/s WLAN Controller"
+	},
+	{
+		PCIVENDOR_INTERSIL, 0x3872,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Intersil Prism2.5 ISL3872 11Mb/s WLAN Controller"
+	},
+        {
+               PCIVENDOR_SAMSUNG, PCIDEVICE_SWL_2210P,
+               PCI_ANY_ID, PCI_ANY_ID,
+               0, 0,
+               /* Driver data, we just put the name here */
+               (unsigned long)"Samsung MagicLAN SWL-2210P 11Mb/s WLAN Controller"
+	},
+	{ /* for NetGear MA311 */
+		PCIVENDOR_NETGEAR, 0x3872,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Netgear MA311 WLAN Controller"
+	},
+	{
+		0, 0, 0, 0, 0, 0, 0
+	}
+};
+
+MODULE_DEVICE_TABLE(pci, pci_id_tbl);
+
+/* Function declared here because of ptr reference below */
+static int  __devinit prism2sta_probe_pci(struct pci_dev *pdev,
+				const struct pci_device_id *id);
+static void  __devexit prism2sta_remove_pci(struct pci_dev *pdev);
+
+static struct pci_driver prism2_pci_drv_id = {
+        .name = "prism2_pci",
+        .id_table = pci_id_tbl,
+        .probe = prism2sta_probe_pci,
+        .remove = prism2sta_remove_pci,
+#ifdef CONFIG_PM
+        .suspend = prism2sta_suspend_pci,
+        .resume = prism2sta_resume_pci,
+#endif
+};
+
+#ifdef MODULE
+
+static int __init prism2pci_init(void)
+{
+        WLAN_LOG_NOTICE("%s Loaded\n", version);
+	return pci_module_init(&prism2_pci_drv_id);
+};
+
+static void __exit prism2pci_cleanup(void)
+{
+	pci_unregister_driver(&prism2_pci_drv_id);
+};
+
+module_init(prism2pci_init);
+module_exit(prism2pci_cleanup);
+
+#endif
+
+int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
+{
+	int		result = 0;
+	unsigned long	timeout;
+	UINT16	reg;
+	DBFENTER;
+
+	/* Assert reset and wait awhile
+	 * (note: these delays are _really_ long, but they appear to be
+	 *        necessary.)
+	 */
+	hfa384x_setreg(hw, 0xc5, HFA384x_PCICOR);
+	timeout = jiffies + HZ/4;
+	while(time_before(jiffies, timeout)) udelay(5);
+
+	if (genesis) {
+		hfa384x_setreg(hw, genesis, HFA384x_PCIHCR);
+		timeout = jiffies + HZ/4;
+		while(time_before(jiffies, timeout)) udelay(5);
+	}
+
+	/* Clear the reset and wait some more
+	 */
+	hfa384x_setreg(hw, 0x45, HFA384x_PCICOR);
+	timeout = jiffies + HZ/2;
+	while(time_before(jiffies, timeout)) udelay(5);
+
+	/* Wait for f/w to complete initialization (CMD:BUSY == 0)
+	 */
+	timeout = jiffies + 2*HZ;
+	reg = hfa384x_getreg(hw, HFA384x_CMD);
+	while ( HFA384x_CMD_ISBUSY(reg) && time_before( jiffies, timeout) ) {
+		reg = hfa384x_getreg(hw, HFA384x_CMD);
+		udelay(10);
+	}
+	if (HFA384x_CMD_ISBUSY(reg)) {
+		WLAN_LOG_WARNING("corereset: Timed out waiting for cmd register.\n");
+		result=1;
+	}
+	DBFEXIT;
+	return result;
+}
diff --git a/drivers/staging/wlan-ng/prism2_plx.c b/drivers/staging/wlan-ng/prism2_plx.c
new file mode 100644
index 00000000000..320443f37a8
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2_plx.c
@@ -0,0 +1,472 @@
+#define WLAN_HOSTIF WLAN_PLX
+#include "hfa384x.c"
+#include "prism2mgmt.c"
+#include "prism2mib.c"
+#include "prism2sta.c"
+
+#define PLX_ATTR_SIZE	0x1000	/* Attribute memory size - 4K bytes */
+#define COR_OFFSET	0x3e0	/* COR attribute offset of Prism2 PC card */
+#define COR_VALUE	0x41	/* Enable PC card with irq in level trigger */
+#define PLX_INTCSR	0x4c	/* Interrupt Control and Status Register */
+#define PLX_INTCSR_INTEN (1<<6) /* Interrupt Enable bit */
+#define PLX_MIN_ATTR_LEN 512    /* at least 2 x 256 is needed for CIS */
+
+/* 3Com 3CRW777A (PLX) board ID */
+#define PCIVENDOR_3COM       0x10B7
+#define PCIDEVICE_AIRCONNECT 0x7770
+
+/* Eumitcom PCI WL11000 PCI Adapter (PLX) board device+vendor ID */
+#define PCIVENDOR_EUMITCOM	0x1638UL
+#define PCIDEVICE_WL11000	0x1100UL
+
+/* Global Sun Tech GL24110P PCI Adapter (PLX) board device+vendor ID */
+#define PCIVENDOR_GLOBALSUN	0x16abUL
+#define PCIDEVICE_GL24110P	0x1101UL
+#define PCIDEVICE_GL24110P_ALT	0x1102UL
+
+/* Netgear MA301 PCI Adapter (PLX) board device+vendor ID */
+#define PCIVENDOR_NETGEAR	0x1385UL
+#define PCIDEVICE_MA301		0x4100UL
+
+/* US Robotics USR2410 PCI Adapter (PLX) board device+vendor ID */
+#define	PCIVENDOR_USROBOTICS    0x16ecUL
+#define PCIDEVICE_USR2410       0x3685UL
+
+/* Linksys WPC11 card with the WDT11 adapter (PLX) board device+vendor ID */
+#define	PCIVENDOR_Linksys       0x16abUL
+#define PCIDEVICE_Wpc11Wdt11    0x1102UL
+
+/* National Datacomm Corp SOHOware Netblaster II PCI */
+#define PCIVENDOR_NDC	        0x15e8UL
+#define PCIDEVICE_NCP130_PLX 	0x0130UL
+#define PCIDEVICE_NCP130_ASIC	0x0131UL
+
+/* NDC NCP130_PLX is also sold by Corega. Their name is CGWLPCIA11 */
+#define PCIVENDOR_COREGA       PCIVENDOR_NDC
+#define PCIDEVICE_CGWLPCIA11   PCIDEVICE_NCP130_PLX
+
+/* PCI Class & Sub-Class code, Network-'Other controller' */
+#define PCI_CLASS_NETWORK_OTHERS 0x280
+
+/*----------------------------------------------------------------
+* prism2sta_probe_plx
+*
+* Probe routine called when a PCI device w/ matching ID is found.
+* This PLX implementation uses the following map:
+*   BAR0: Unused
+*   BAR1: ????
+*   BAR2: PCMCIA attribute memory
+*   BAR3: PCMCIA i/o space
+* Here's the sequence:
+*   - Allocate the PCI resources.
+*   - Read the PCMCIA attribute memory to make sure we have a WLAN card
+*   - Reset the MAC using the PCMCIA COR
+*   - Initialize the netdev and wlan data
+*   - Initialize the MAC
+*
+* Arguments:
+*	pdev		ptr to pci device structure containing info about
+*			pci configuration.
+*	id		ptr to the device id entry that matched this device.
+*
+* Returns:
+*	zero		- success
+*	negative	- failed
+*
+* Side effects:
+*
+*
+* Call context:
+*	process thread
+*
+----------------------------------------------------------------*/
+static int __devinit
+prism2sta_probe_plx(
+	struct pci_dev			*pdev,
+	const struct pci_device_id	*id)
+{
+	int		result;
+        phys_t	pccard_ioaddr;
+	phys_t  pccard_attr_mem;
+        unsigned int    pccard_attr_len;
+	void __iomem *attr_mem = NULL;
+	UINT32		plx_addr;
+        wlandevice_t    *wlandev = NULL;
+	hfa384x_t	*hw = NULL;
+	int		reg;
+        u32		regic;
+
+	if (pci_enable_device(pdev))
+		return -EIO;
+
+	/* TMC7160 boards are special */
+	if ((pdev->vendor == PCIVENDOR_NDC) &&
+	    (pdev->device == PCIDEVICE_NCP130_ASIC)) {
+		unsigned long delay;
+
+		pccard_attr_mem = 0;
+		pccard_ioaddr = pci_resource_start(pdev, 1);
+
+		outb(0x45, pccard_ioaddr);
+		delay = jiffies + 1*HZ;
+		while (time_before(jiffies, delay));
+
+		if (inb(pccard_ioaddr) != 0x45) {
+			WLAN_LOG_ERROR("Initialize the TMC7160 failed. (0x%x)\n", inb(pccard_ioaddr));
+			return -EIO;
+		}
+
+		pccard_ioaddr = pci_resource_start(pdev, 2);
+		prism2_doreset = 0;
+
+		WLAN_LOG_INFO("NDC NCP130 with TMC716(ASIC) PCI interface device found at io:0x%x, irq:%d\n", pccard_ioaddr, pdev->irq);
+		goto init;
+	}
+
+	/* Collect the resource requirements */
+	pccard_attr_mem = pci_resource_start(pdev, 2);
+	pccard_attr_len = pci_resource_len(pdev, 2);
+        if (pccard_attr_len < PLX_MIN_ATTR_LEN)
+		return -EIO;
+
+	pccard_ioaddr = pci_resource_start(pdev, 3);
+
+	/* bjoern: We need to tell the card to enable interrupts, in
+	 * case the serial eprom didn't do this already. See the
+	 * PLX9052 data book, p8-1 and 8-24 for reference.
+	 * [MSM]: This bit of code came from the orinoco_cs driver.
+	 */
+	plx_addr = pci_resource_start(pdev, 1);
+
+	regic = 0;
+	regic = inl(plx_addr+PLX_INTCSR);
+	if(regic & PLX_INTCSR_INTEN) {
+		WLAN_LOG_DEBUG(1,
+			"%s: Local Interrupt already enabled\n", dev_info);
+	} else {
+		regic |= PLX_INTCSR_INTEN;
+		outl(regic, plx_addr+PLX_INTCSR);
+		regic = inl(plx_addr+PLX_INTCSR);
+		if(!(regic & PLX_INTCSR_INTEN)) {
+			WLAN_LOG_ERROR(
+				"%s: Couldn't enable Local Interrupts\n",
+				dev_info);
+			return -EIO;
+		}
+	}
+
+	/* These assignments are here in case of future mappings for
+	 * io space and irq that might be similar to ioremap
+	 */
+        if (!request_mem_region(pccard_attr_mem, pci_resource_len(pdev, 2), "Prism2")) {
+		WLAN_LOG_ERROR("%s: Couldn't reserve PCI memory region\n", dev_info);
+		return -EIO;
+        }
+
+	attr_mem = ioremap(pccard_attr_mem, pccard_attr_len);
+
+	WLAN_LOG_INFO("A PLX PCI/PCMCIA interface device found, "
+		"phymem:0x%llx, phyio=0x%x, irq:%d, "
+		"mem: 0x%lx\n",
+		(unsigned long long)pccard_attr_mem, pccard_ioaddr, pdev->irq,
+		(unsigned long)attr_mem);
+
+	/* Verify whether PC card is present.
+	 * [MSM] This needs improvement, the right thing to do is
+	 * probably to walk the CIS looking for the vendor and product
+	 * IDs.  It would be nice if this could be tied in with the
+	 * etc/pcmcia/wlan-ng.conf file.  Any volunteers?  ;-)
+	 */
+	if (
+	readb(attr_mem + 0) != 0x01 || readb(attr_mem + 2) != 0x03 ||
+	readb(attr_mem + 4) != 0x00 || readb(attr_mem + 6) != 0x00 ||
+	readb(attr_mem + 8) != 0xFF || readb(attr_mem + 10) != 0x17 ||
+	readb(attr_mem + 12) != 0x04 || readb(attr_mem + 14) != 0x67) {
+		WLAN_LOG_ERROR("Prism2 PC card CIS is invalid.\n");
+		return -EIO;
+        }
+        WLAN_LOG_INFO("A PCMCIA WLAN adapter was found.\n");
+
+        /* Write COR to enable PC card */
+	writeb(COR_VALUE, attr_mem + COR_OFFSET);
+	reg = readb(attr_mem + COR_OFFSET);
+
+ init:
+
+	/*
+	 * Now do everything the same as a PCI device
+	 * [MSM] TODO: We could probably factor this out of pcmcia/pci/plx
+	 * and perhaps usb.  Perhaps a task for another day.......
+	 */
+
+	if ((wlandev = create_wlan()) == NULL) {
+		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
+		result = -EIO;
+		goto failed;
+	}
+
+	hw = wlandev->priv;
+
+	if ( wlan_setup(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
+		result = -EIO;
+		goto failed;
+	}
+
+	/* Setup netdevice's ability to report resources
+	 * Note: the netdevice was allocated by wlan_setup()
+	 */
+        wlandev->netdev->irq = pdev->irq;
+        wlandev->netdev->base_addr = pccard_ioaddr;
+        wlandev->netdev->mem_start = (unsigned long)attr_mem;
+        wlandev->netdev->mem_end = (unsigned long)attr_mem + pci_resource_len(pdev, 0);
+
+	/* Initialize the hw data */
+        hfa384x_create(hw, wlandev->netdev->irq, pccard_ioaddr, attr_mem);
+	hw->wlandev = wlandev;
+
+	/* Register the wlandev, this gets us a name and registers the
+	 * linux netdevice.
+	 */
+	SET_MODULE_OWNER(wlandev->netdev);
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+       SET_NETDEV_DEV(wlandev->netdev, &(pdev->dev));
+#endif
+        if ( register_wlandev(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
+		result = -EIO;
+		goto failed;
+        }
+
+#if 0
+	/* TODO: Move this and an irq test into an hfa384x_testif() routine.
+	 */
+	outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
+	reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
+	if ( reg != PRISM2STA_MAGIC ) {
+		WLAN_LOG_ERROR("MAC register access test failed!\n");
+ 		result = -EIO;
+		goto failed;
+	}
+#endif
+
+	/* Do a chip-level reset on the MAC */
+	if (prism2_doreset) {
+		result = hfa384x_corereset(hw,
+				prism2_reset_holdtime,
+				prism2_reset_settletime, 0);
+		if (result != 0) {
+			unregister_wlandev(wlandev);
+			hfa384x_destroy(hw);
+			WLAN_LOG_ERROR(
+				"%s: hfa384x_corereset() failed.\n",
+				dev_info);
+			result = -EIO;
+			goto failed;
+		}
+	}
+
+	pci_set_drvdata(pdev, wlandev);
+
+	/* Shouldn't actually hook up the IRQ until we
+	 * _know_ things are alright.  A test routine would help.
+	 */
+       	request_irq(wlandev->netdev->irq, hfa384x_interrupt,
+		SA_SHIRQ, wlandev->name, wlandev);
+
+	wlandev->msdstate = WLAN_MSD_HWPRESENT;
+
+	result = 0;
+
+	goto done;
+
+ failed:
+
+	pci_set_drvdata(pdev, NULL);
+	if (wlandev)	kfree(wlandev);
+	if (hw)		kfree(hw);
+        if (attr_mem)        iounmap(attr_mem);
+	pci_release_regions(pdev);
+        pci_disable_device(pdev);
+
+ done:
+	DBFEXIT;
+        return result;
+}
+
+static void __devexit prism2sta_remove_plx(struct pci_dev *pdev)
+{
+       	wlandevice_t		*wlandev;
+	hfa384x_t               *hw;
+
+	wlandev = (wlandevice_t *) pci_get_drvdata(pdev);
+	hw = wlandev->priv;
+
+	p80211netdev_hwremoved(wlandev);
+
+	/* reset hardware */
+	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+
+        if (pdev->irq)
+		free_irq(pdev->irq, wlandev);
+
+	unregister_wlandev(wlandev);
+
+	/* free local stuff */
+	if (hw) {
+		hfa384x_destroy(hw);
+		kfree(hw);
+	}
+
+	iounmap((void __iomem *)wlandev->netdev->mem_start);
+	wlan_unsetup(wlandev);
+
+	pci_release_regions(pdev);
+        pci_disable_device(pdev);
+	pci_set_drvdata(pdev, NULL);
+
+	kfree(wlandev);
+}
+
+static struct pci_device_id plx_id_tbl[] = {
+	{
+		PCIVENDOR_EUMITCOM, PCIDEVICE_WL11000,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Eumitcom WL11000 PCI(PLX) card"
+	},
+	{
+		PCIVENDOR_GLOBALSUN, PCIDEVICE_GL24110P,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Global Sun Tech GL24110P PCI(PLX) card"
+	},
+	{
+		PCIVENDOR_GLOBALSUN, PCIDEVICE_GL24110P_ALT,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Global Sun Tech GL24110P PCI(PLX) card"
+	},
+	{
+		PCIVENDOR_NETGEAR, PCIDEVICE_MA301,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Global Sun Tech GL24110P PCI(PLX) card"
+	},
+	{
+		PCIVENDOR_USROBOTICS, PCIDEVICE_USR2410,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"US Robotics USR2410 PCI(PLX) card"
+	},
+	{
+		PCIVENDOR_Linksys, PCIDEVICE_Wpc11Wdt11,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"Linksys WPC11 with WDT11 PCI(PLX) adapter"
+	},
+	{
+	        PCIVENDOR_NDC, PCIDEVICE_NCP130_PLX,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"NDC Netblaster II PCI(PLX)"
+	},
+	{
+	        PCIVENDOR_NDC, PCIDEVICE_NCP130_ASIC,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"NDC Netblaster II PCI(TMC7160)"
+	},
+	{
+		PCIVENDOR_3COM, PCIDEVICE_AIRCONNECT,
+		PCI_ANY_ID, PCI_ANY_ID,
+		0, 0,
+		/* Driver data, we just put the name here */
+		(unsigned long)"3Com AirConnect PCI 802.11b 11Mb/s WLAN Controller"
+	},
+	{
+		0, 0, 0, 0, 0, 0, 0
+	}
+};
+
+MODULE_DEVICE_TABLE(pci, plx_id_tbl);
+
+/* Function declared here because of ptr reference below */
+static int __devinit prism2sta_probe_plx(struct pci_dev *pdev,
+					 const struct pci_device_id *);
+static void __devexit prism2sta_remove_plx(struct pci_dev *pdev);
+
+static struct pci_driver prism2_plx_drv_id = {
+        .name = "prism2_plx",
+        .id_table = plx_id_tbl,
+        .probe = prism2sta_probe_plx,
+        .remove = prism2sta_remove_plx,
+#ifdef CONFIG_PM
+        .suspend = prism2sta_suspend_pci,
+        .resume = prism2sta_resume_pci,
+#endif
+};
+
+#ifdef MODULE
+
+static int __init prism2plx_init(void)
+{
+        WLAN_LOG_NOTICE("%s Loaded\n", version);
+	return pci_module_init(&prism2_plx_drv_id);
+};
+
+static void __exit prism2plx_cleanup(void)
+{
+	pci_unregister_driver(&prism2_plx_drv_id);
+};
+
+module_init(prism2plx_init);
+module_exit(prism2plx_cleanup);
+
+#endif // MODULE
+
+
+int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
+{
+	int		result = 0;
+
+#define COR_OFFSET	0x3e0	/* COR attribute offset of Prism2 PC card */
+#define COR_VALUE	0x41	/* Enable PC card with irq in level trigger */
+
+#define HCR_OFFSET	0x3e2	/* HCR attribute offset of Prism2 PC card */
+
+	UINT8		corsave;
+	DBFENTER;
+
+	WLAN_LOG_DEBUG(3, "Doing reset via direct COR access.\n");
+
+	/* Collect COR */
+	corsave = readb(hw->membase + COR_OFFSET);
+	/* Write reset bit (BIT7) */
+	writeb(corsave | BIT7, hw->membase + COR_OFFSET);
+	/* Hold for holdtime */
+	mdelay(holdtime);
+
+	if (genesis) {
+		writeb(genesis, hw->membase + HCR_OFFSET);
+		/* Hold for holdtime */
+		mdelay(holdtime);
+	}
+
+	/* Clear reset bit */
+	writeb(corsave & ~BIT7, hw->membase + COR_OFFSET);
+	/* Wait for settletime */
+	mdelay(settletime);
+	/* Set non-reset bits back what they were */
+	writeb(corsave, hw->membase + COR_OFFSET);
+	DBFEXIT;
+	return result;
+}
diff --git a/drivers/staging/wlan-ng/prism2_usb.c b/drivers/staging/wlan-ng/prism2_usb.c
new file mode 100644
index 00000000000..e45be237450
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2_usb.c
@@ -0,0 +1,361 @@
+#define WLAN_HOSTIF WLAN_USB
+#include "hfa384x_usb.c"
+#include "prism2mgmt.c"
+#include "prism2mib.c"
+#include "prism2sta.c"
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
+#error "prism2_usb requires at least a 2.4.x kernel!"
+#endif
+
+#define PRISM_USB_DEVICE(vid, pid, name) \
+           USB_DEVICE(vid, pid),  \
+           .driver_info = (unsigned long) name
+
+static struct usb_device_id usb_prism_tbl[] = {
+	{PRISM_USB_DEVICE(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS")},
+	{PRISM_USB_DEVICE(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11")},
+	{PRISM_USB_DEVICE(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x049f, 0x0033, "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
+	{PRISM_USB_DEVICE(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
+	{PRISM_USB_DEVICE(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
+	{PRISM_USB_DEVICE(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter")},
+	{PRISM_USB_DEVICE(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x0967, 0x0204, "Acer Warplink USB Adapter")},
+	{PRISM_USB_DEVICE(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated")},
+	{PRISM_USB_DEVICE(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter")},
+	{PRISM_USB_DEVICE(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter")},
+        {PRISM_USB_DEVICE(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
+	{PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
+        {PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
+//	{PRISM_USB_DEVICE(0x0ace, 0x1201, "ZyDAS ZD1201 Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter")},
+	{PRISM_USB_DEVICE(0x50c2, 0x4013, "Averatec USB WLAN Adapter")},
+	{PRISM_USB_DEVICE(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter")},
+	{PRISM_USB_DEVICE(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter")},
+	{PRISM_USB_DEVICE(0x2821, 0x3300, "Hawking HighDB USB Adapter")},
+	{PRISM_USB_DEVICE(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter")},
+	{PRISM_USB_DEVICE(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter")},
+	{PRISM_USB_DEVICE(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter")},
+	{PRISM_USB_DEVICE(0x0bb2, 0x0302, "Ambit Microsystems Corp.")},
+	{PRISM_USB_DEVICE(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter")},
+	{PRISM_USB_DEVICE(0x0543, 0x0f01, "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)")},
+	{ /* terminator */ }
+};
+
+MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
+
+/*----------------------------------------------------------------
+* prism2sta_probe_usb
+*
+* Probe routine called by the USB subsystem.
+*
+* Arguments:
+*	dev		ptr to the usb_device struct
+*	ifnum		interface number being offered
+*
+* Returns:
+*	NULL		- we're not claiming the device+interface
+*	non-NULL	- we are claiming the device+interface and
+*			  this is a ptr to the data we want back
+*			  when disconnect is called.
+*
+* Side effects:
+*
+* Call context:
+*	I'm not sure, assume it's interrupt.
+*
+----------------------------------------------------------------*/
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+static void __devinit *prism2sta_probe_usb(
+	struct usb_device *dev,
+	unsigned int ifnum,
+	const struct usb_device_id *id)
+#else
+static int prism2sta_probe_usb(
+	struct usb_interface *interface,
+	const struct usb_device_id *id)
+#endif
+{
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+	struct usb_interface *interface;
+#else
+	struct usb_device *dev;
+#endif
+
+	wlandevice_t	*wlandev = NULL;
+	hfa384x_t	*hw = NULL;
+	int              result = 0;
+
+	DBFENTER;
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+	interface = &dev->actconfig->interface[ifnum];
+#else
+	dev = interface_to_usbdev(interface);
+#endif
+
+
+	if ((wlandev = create_wlan()) == NULL) {
+		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
+		result = -EIO;
+		goto failed;
+	}
+	hw = wlandev->priv;
+
+	if ( wlan_setup(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
+		result = -EIO;
+		goto failed;
+	}
+
+	/* Initialize the hw data */
+	hfa384x_create(hw, dev);
+	hw->wlandev = wlandev;
+
+	/* Register the wlandev, this gets us a name and registers the
+	 * linux netdevice.
+	 */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+	SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
+#endif
+        if ( register_wlandev(wlandev) != 0 ) {
+		WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
+		result = -EIO;
+		goto failed;
+        }
+
+	/* Do a chip-level reset on the MAC */
+	if (prism2_doreset) {
+		result = hfa384x_corereset(hw,
+				prism2_reset_holdtime,
+				prism2_reset_settletime, 0);
+		if (result != 0) {
+			unregister_wlandev(wlandev);
+			hfa384x_destroy(hw);
+			result = -EIO;
+			WLAN_LOG_ERROR(
+				"%s: hfa384x_corereset() failed.\n",
+				dev_info);
+			goto failed;
+		}
+	}
+
+#ifndef NEW_MODULE_CODE
+	usb_inc_dev_use(dev);
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+	usb_get_dev(dev);
+#endif
+
+	wlandev->msdstate = WLAN_MSD_HWPRESENT;
+
+	goto done;
+
+ failed:
+	if (wlandev)	kfree(wlandev);
+	if (hw)		kfree(hw);
+	wlandev = NULL;
+
+ done:
+	DBFEXIT;
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+	return wlandev;
+#else
+	usb_set_intfdata(interface, wlandev);
+	return result;
+#endif
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_disconnect_usb
+*
+* Called when a device previously claimed by probe is removed
+* from the USB.
+*
+* Arguments:
+*	dev		ptr to the usb_device struct
+*	ptr		ptr returned by probe() when the device
+*                       was claimed.
+*
+* Returns:
+*	Nothing
+*
+* Side effects:
+*
+* Call context:
+*	process
+----------------------------------------------------------------*/
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+static void __devexit
+prism2sta_disconnect_usb(struct usb_device *dev, void *ptr)
+#else
+static void
+prism2sta_disconnect_usb(struct usb_interface *interface)
+#endif
+{
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+	wlandevice_t		*wlandev;
+#else
+	wlandevice_t		*wlandev = (wlandevice_t*)ptr;
+#endif
+
+        DBFENTER;
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+	wlandev = (wlandevice_t *) usb_get_intfdata(interface);
+#endif
+
+	if ( wlandev != NULL ) {
+		LIST_HEAD(cleanlist);
+		struct list_head	*entry;
+		struct list_head	*temp;
+		unsigned long		flags;
+
+		hfa384x_t		*hw = wlandev->priv;
+
+		if (!hw)
+			goto exit;
+
+		spin_lock_irqsave(&hw->ctlxq.lock, flags);
+
+		p80211netdev_hwremoved(wlandev);
+		list_splice_init(&hw->ctlxq.reapable, &cleanlist);
+		list_splice_init(&hw->ctlxq.completing, &cleanlist);
+		list_splice_init(&hw->ctlxq.pending, &cleanlist);
+		list_splice_init(&hw->ctlxq.active, &cleanlist);
+
+		spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
+
+		/* There's no hardware to shutdown, but the driver
+		 * might have some tasks or tasklets that must be
+		 * stopped before we can tear everything down.
+		 */
+		prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+
+		del_singleshot_timer_sync(&hw->throttle);
+		del_singleshot_timer_sync(&hw->reqtimer);
+		del_singleshot_timer_sync(&hw->resptimer);
+
+		/* Unlink all the URBs. This "removes the wheels"
+		 * from the entire CTLX handling mechanism.
+		 */
+		usb_kill_urb(&hw->rx_urb);
+		usb_kill_urb(&hw->tx_urb);
+		usb_kill_urb(&hw->ctlx_urb);
+
+		tasklet_kill(&hw->completion_bh);
+		tasklet_kill(&hw->reaper_bh);
+
+		flush_scheduled_work();
+
+		/* Now we complete any outstanding commands
+		 * and tell everyone who is waiting for their
+		 * responses that we have shut down.
+		 */
+		list_for_each(entry, &cleanlist) {
+			hfa384x_usbctlx_t	*ctlx;
+
+			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+			complete(&ctlx->done);
+		}
+
+		/* Give any outstanding synchronous commands
+		 * a chance to complete. All they need to do
+		 * is "wake up", so that's easy.
+		 * (I'd like a better way to do this, really.)
+		 */
+		msleep(100);
+
+		/* Now delete the CTLXs, because no-one else can now. */
+		list_for_each_safe(entry, temp, &cleanlist) {
+			hfa384x_usbctlx_t *ctlx;
+
+			ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
+			kfree(ctlx);
+		}
+
+		/* Unhook the wlandev */
+		unregister_wlandev(wlandev);
+		wlan_unsetup(wlandev);
+
+#ifndef NEW_MODULE_CODE
+		usb_dec_dev_use(hw->usb);
+#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+		usb_put_dev(hw->usb);
+#endif
+
+		hfa384x_destroy(hw);
+		kfree(hw);
+
+		kfree(wlandev);
+	}
+
+ exit:
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+	usb_set_intfdata(interface, NULL);
+#endif
+	DBFEXIT;
+}
+
+
+static struct usb_driver prism2_usb_driver = {
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,4,19)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
+	.owner = THIS_MODULE,
+#endif
+	.name = "prism2_usb",
+	.probe = prism2sta_probe_usb,
+	.disconnect = prism2sta_disconnect_usb,
+	.id_table = usb_prism_tbl,
+	/* fops, minor? */
+};
+
+#ifdef MODULE
+
+static int __init prism2usb_init(void)
+{
+        DBFENTER;
+
+        WLAN_LOG_NOTICE("%s Loaded\n", version);
+        WLAN_LOG_NOTICE("dev_info is: %s\n", dev_info);
+
+	/* This call will result in calls to prism2sta_probe_usb. */
+	return usb_register(&prism2_usb_driver);
+
+	DBFEXIT;
+};
+
+static void __exit prism2usb_cleanup(void)
+{
+        DBFENTER;
+
+	usb_deregister(&prism2_usb_driver);
+
+        printk(KERN_NOTICE "%s Unloaded\n", version);
+
+	DBFEXIT;
+};
+
+module_init(prism2usb_init);
+module_exit(prism2usb_cleanup);
+
+#endif // module
diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
new file mode 100644
index 00000000000..c975025b6ae
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2mgmt.c
@@ -0,0 +1,2956 @@
+/* src/prism2/driver/prism2mgmt.c
+*
+* Management request handler functions.
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* The functions in this file handle management requests sent from
+* user mode.
+*
+* Most of these functions have two separate blocks of code that are
+* conditional on whether this is a station or an AP.  This is used
+* to separate out the STA and AP responses to these management primitives.
+* It's a choice (good, bad, indifferent?) to have the code in the same
+* place so it's clear that the same primitive is implemented in both
+* cases but has different behavior.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+#define WLAN_DBVAR	prism2_debug
+
+#include "version.h"
+
+
+#include <linux/version.h>
+
+#include <linux/if_arp.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/wait.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/byteorder.h>
+#include <linux/random.h>
+
+#if (WLAN_HOSTIF == WLAN_USB)
+#include <linux/usb.h>
+#endif
+
+#if (WLAN_HOSTIF == WLAN_PCMCIA)
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+#include <pcmcia/cisreg.h>
+#endif
+
+#include "wlan_compat.h"
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211mgmt.h"
+#include "p80211conv.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211metadef.h"
+#include "p80211metastruct.h"
+#include "hfa384x.h"
+#include "prism2mgmt.h"
+
+/*================================================================*/
+/* Local Constants */
+
+
+/*================================================================*/
+/* Local Macros */
+
+/* Converts 802.11 format rate specifications to prism2 */
+#define p80211rate_to_p2bit(n)	((((n)&~BIT7) == 2) ? BIT0 : \
+				 (((n)&~BIT7) == 4) ? BIT1 : \
+				 (((n)&~BIT7) == 11) ? BIT2 : \
+				 (((n)&~BIT7) == 22) ? BIT3 : 0)
+
+/*================================================================*/
+/* Local Types */
+
+
+/*================================================================*/
+/* Local Static Definitions */
+
+
+/*================================================================*/
+/* Local Function Declarations */
+
+
+/*================================================================*/
+/* Function Definitions */
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_powermgmt
+*
+* Set the power management state of this station's MAC.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_powermgmt(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_powermgmt_t	*msg = msgp;
+
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/*
+		 * Set CNFPMENABLED (on or off)
+		 * Set CNFMULTICASTRX (if PM on, otherwise clear)
+		 * Spout a notice stating that SleepDuration and
+		 * HoldoverDuration and PMEPS also have an impact.
+		 */
+		/* Powermgmt is currently unsupported for STA */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	} else {
+
+		/*** ACCESS POINT ***/
+
+		/* Powermgmt is never supported for AP */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_scan
+*
+* Initiate a scan for BSSs.
+*
+* This function corresponds to MLME-scan.request and part of
+* MLME-scan.confirm.  As far as I can tell in the standard, there
+* are no restrictions on when a scan.request may be issued.  We have
+* to handle in whatever state the driver/MAC happen to be.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_scan_t	*msg = msgp;
+        UINT16                  roamingmode, word;
+	int                     i, timeout;
+	int                     istmpenable = 0;
+
+        hfa384x_HostScanRequest_data_t  scanreq;
+
+	DBFENTER;
+
+        if (hw->ap) {
+                WLAN_LOG_ERROR("Prism2 in AP mode cannot perform scans.\n");
+                result = 1;
+                msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+                goto exit;
+        }
+
+        /* gatekeeper check */
+        if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
+                                     hw->ident_sta_fw.minor,
+                                     hw->ident_sta_fw.variant) <
+            HFA384x_FIRMWARE_VERSION(1,3,2)) {
+		WLAN_LOG_ERROR("HostScan not supported with current firmware (<1.3.2).\n");
+                result = 1;
+                msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		goto exit;
+	}
+
+        memset(&scanreq, 0, sizeof(scanreq));
+
+        /* save current roaming mode */
+        result = hfa384x_drvr_getconfig16(hw,
+                        HFA384x_RID_CNFROAMINGMODE, &roamingmode);
+        if ( result ) {
+                WLAN_LOG_ERROR("getconfig(ROAMMODE) failed. result=%d\n",
+                                result);
+                msg->resultcode.data =
+                        P80211ENUM_resultcode_implementation_failure;
+                goto exit;
+        }
+
+        /* drop into mode 3 for the scan */
+        result = hfa384x_drvr_setconfig16(hw,
+                        HFA384x_RID_CNFROAMINGMODE,
+			HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
+        if ( result ) {
+                WLAN_LOG_ERROR("setconfig(ROAMINGMODE) failed. result=%d\n",
+                                result);
+                msg->resultcode.data =
+                        P80211ENUM_resultcode_implementation_failure;
+                goto exit;
+        }
+
+        /* active or passive? */
+        if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
+                                     hw->ident_sta_fw.minor,
+                                     hw->ident_sta_fw.variant) >
+            HFA384x_FIRMWARE_VERSION(1,5,0)) {
+                if (msg->scantype.data != P80211ENUM_scantype_active) {
+                        word = host2hfa384x_16(msg->maxchanneltime.data);
+                } else {
+                        word = 0;
+                }
+                result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPASSIVESCANCTRL, word);
+                if ( result ) {
+                        WLAN_LOG_WARNING("Passive scan not supported with "
+					  "current firmware.  (<1.5.1)\n");
+                }
+        }
+
+	/* set up the txrate to be 2MBPS. Should be fastest basicrate... */
+	word = HFA384x_RATEBIT_2;
+	scanreq.txRate = host2hfa384x_16(word);
+
+        /* set up the channel list */
+        word = 0;
+        for (i = 0; i < msg->channellist.data.len; i++) {
+                UINT8 channel = msg->channellist.data.data[i];
+                if (channel > 14) continue;
+                /* channel 1 is BIT0 ... channel 14 is BIT13 */
+                word |= (1 << (channel-1));
+        }
+        scanreq.channelList = host2hfa384x_16(word);
+
+        /* set up the ssid, if present. */
+        scanreq.ssid.len = host2hfa384x_16(msg->ssid.data.len);
+        memcpy(scanreq.ssid.data, msg->ssid.data.data, msg->ssid.data.len);
+
+	/* Enable the MAC port if it's not already enabled  */
+	result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_PORTSTATUS, &word);
+	if ( result ) {
+		WLAN_LOG_ERROR("getconfig(PORTSTATUS) failed. "
+				"result=%d\n", result);
+		msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+		goto exit;
+	}
+	if (word == HFA384x_PORTSTATUS_DISABLED) {
+		UINT16 wordbuf[17];
+
+		result = hfa384x_drvr_setconfig16(hw,
+			HFA384x_RID_CNFROAMINGMODE,
+			HFA384x_ROAMMODE_HOSTSCAN_HOSTROAM);
+		if ( result ) {
+			WLAN_LOG_ERROR("setconfig(ROAMINGMODE) failed. result=%d\n", result);
+			msg->resultcode.data =
+				P80211ENUM_resultcode_implementation_failure;
+			goto exit;
+		}
+		/* Construct a bogus SSID and assign it to OwnSSID and
+		 * DesiredSSID
+		 */
+		wordbuf[0] = host2hfa384x_16(WLAN_SSID_MAXLEN);
+		get_random_bytes(&wordbuf[1], WLAN_SSID_MAXLEN);
+		result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFOWNSSID,
+				wordbuf, HFA384x_RID_CNFOWNSSID_LEN);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set OwnSSID.\n");
+			msg->resultcode.data =
+				P80211ENUM_resultcode_implementation_failure;
+			goto exit;
+		}
+		result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFDESIREDSSID,
+				wordbuf, HFA384x_RID_CNFDESIREDSSID_LEN);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set DesiredSSID.\n");
+			msg->resultcode.data =
+				P80211ENUM_resultcode_implementation_failure;
+			goto exit;
+		}
+		/* bsstype */
+		result = hfa384x_drvr_setconfig16(hw,
+				HFA384x_RID_CNFPORTTYPE,
+				HFA384x_PORTTYPE_IBSS);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set CNFPORTTYPE.\n");
+			msg->resultcode.data =
+				P80211ENUM_resultcode_implementation_failure;
+			goto exit;
+		}
+		/* ibss options */
+		result = hfa384x_drvr_setconfig16(hw,
+				HFA384x_RID_CREATEIBSS,
+				HFA384x_CREATEIBSS_JOINCREATEIBSS);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set CREATEIBSS.\n");
+			msg->resultcode.data =
+				P80211ENUM_resultcode_implementation_failure;
+			goto exit;
+		}
+		result = hfa384x_drvr_enable(hw, 0);
+		if ( result ) {
+			WLAN_LOG_ERROR("drvr_enable(0) failed. "
+					"result=%d\n", result);
+			msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+			goto exit;
+		}
+		istmpenable = 1;
+	}
+
+        /* Figure out our timeout first Kus, then HZ */
+        timeout = msg->channellist.data.len * msg->maxchanneltime.data;
+	timeout = (timeout * HZ)/1000;
+
+        /* Issue the scan request */
+        hw->scanflag = 0;
+
+	WLAN_HEX_DUMP(5,"hscanreq", &scanreq, sizeof(scanreq));
+
+        result = hfa384x_drvr_setconfig( hw,
+                        HFA384x_RID_HOSTSCAN, &scanreq,
+                        sizeof(hfa384x_HostScanRequest_data_t));
+        if ( result ) {
+                WLAN_LOG_ERROR("setconfig(SCANREQUEST) failed. result=%d\n",
+                                result);
+                msg->resultcode.data =
+                        P80211ENUM_resultcode_implementation_failure;
+                goto exit;
+        }
+
+        /* sleep until info frame arrives */
+        wait_event_interruptible_timeout(hw->cmdq, hw->scanflag, timeout);
+
+	msg->numbss.status = P80211ENUM_msgitem_status_data_ok;
+	if (hw->scanflag == -1)
+		hw->scanflag = 0;
+
+	msg->numbss.data = hw->scanflag;
+
+        hw->scanflag = 0;
+
+	/* Disable port if we temporarily enabled it. */
+	if (istmpenable) {
+		result = hfa384x_drvr_disable(hw, 0);
+		if ( result ) {
+			WLAN_LOG_ERROR("drvr_disable(0) failed. "
+					"result=%d\n", result);
+			msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+			goto exit;
+		}
+	}
+
+	/* restore original roaming mode */
+	result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE,
+					  roamingmode);
+        if ( result ) {
+                WLAN_LOG_ERROR("setconfig(ROAMMODE) failed. result=%d\n",
+                                result);
+                msg->resultcode.data =
+                        P80211ENUM_resultcode_implementation_failure;
+                goto exit;
+        }
+
+        result = 0;
+        msg->resultcode.data = P80211ENUM_resultcode_success;
+
+ exit:
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_scan_results
+*
+* Retrieve the BSS description for one of the BSSs identified in
+* a scan.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+        p80211msg_dot11req_scan_results_t       *req;
+	hfa384x_t		*hw = wlandev->priv;
+	hfa384x_HScanResultSub_t *item = NULL;
+
+	int count;
+
+	DBFENTER;
+
+        req = (p80211msg_dot11req_scan_results_t *) msgp;
+
+	req->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	if (hw->ap) {
+		result = 1;
+		req->resultcode.data = P80211ENUM_resultcode_not_supported;
+		goto exit;
+	}
+
+	if (! hw->scanresults) {
+		WLAN_LOG_ERROR("dot11req_scan_results can only be used after a successful dot11req_scan.\n");
+		result = 2;
+		req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+		goto exit;
+	}
+
+        count = (hw->scanresults->framelen - 3) / 32;
+	if (count > 32)  count = 32;
+
+	if (req->bssindex.data >= count) {
+		WLAN_LOG_DEBUG(0, "requested index (%d) out of range (%d)\n",
+				req->bssindex.data, count);
+		result = 2;
+		req->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+		goto exit;
+	}
+
+	item = &(hw->scanresults->info.hscanresult.result[req->bssindex.data]);
+	/* signal and noise */
+	req->signal.status = P80211ENUM_msgitem_status_data_ok;
+	req->noise.status = P80211ENUM_msgitem_status_data_ok;
+	req->signal.data = hfa384x2host_16(item->sl);
+	req->noise.data = hfa384x2host_16(item->anl);
+
+	/* BSSID */
+	req->bssid.status = P80211ENUM_msgitem_status_data_ok;
+	req->bssid.data.len = WLAN_BSSID_LEN;
+	memcpy(req->bssid.data.data, item->bssid, WLAN_BSSID_LEN);
+
+	/* SSID */
+	req->ssid.status = P80211ENUM_msgitem_status_data_ok;
+	req->ssid.data.len = hfa384x2host_16(item->ssid.len);
+	memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
+
+	/* supported rates */
+        for (count = 0; count < 10 ; count++)
+                if (item->supprates[count] == 0)
+                        break;
+
+#define REQBASICRATE(N) \
+	if ((count >= N) && DOT11_RATE5_ISBASIC_GET(item->supprates[(N)-1])) { \
+		req->basicrate ## N .data = item->supprates[(N)-1]; \
+		req->basicrate ## N .status = P80211ENUM_msgitem_status_data_ok; \
+	}
+
+	REQBASICRATE(1);
+	REQBASICRATE(2);
+	REQBASICRATE(3);
+	REQBASICRATE(4);
+	REQBASICRATE(5);
+	REQBASICRATE(6);
+	REQBASICRATE(7);
+	REQBASICRATE(8);
+
+#define REQSUPPRATE(N) \
+	if (count >= N) { \
+		req->supprate ## N .data = item->supprates[(N)-1]; \
+		req->supprate ## N .status = P80211ENUM_msgitem_status_data_ok; \
+	}
+
+	REQSUPPRATE(1);
+	REQSUPPRATE(2);
+	REQSUPPRATE(3);
+	REQSUPPRATE(4);
+	REQSUPPRATE(5);
+	REQSUPPRATE(6);
+	REQSUPPRATE(7);
+	REQSUPPRATE(8);
+
+	/* beacon period */
+	req->beaconperiod.status = P80211ENUM_msgitem_status_data_ok;
+	req->beaconperiod.data = hfa384x2host_16(item->bcnint);
+
+	/* timestamps */
+	req->timestamp.status = P80211ENUM_msgitem_status_data_ok;
+	req->timestamp.data = jiffies;
+	req->localtime.status = P80211ENUM_msgitem_status_data_ok;
+	req->localtime.data = jiffies;
+
+	/* atim window */
+	req->ibssatimwindow.status = P80211ENUM_msgitem_status_data_ok;
+	req->ibssatimwindow.data = hfa384x2host_16(item->atim);
+
+	/* Channel */
+	req->dschannel.status = P80211ENUM_msgitem_status_data_ok;
+	req->dschannel.data = hfa384x2host_16(item->chid);
+
+	/* capinfo bits */
+	count = hfa384x2host_16(item->capinfo);
+
+	/* privacy flag */
+	req->privacy.status = P80211ENUM_msgitem_status_data_ok;
+	req->privacy.data = WLAN_GET_MGMT_CAP_INFO_PRIVACY(count);
+
+	/* cfpollable */
+	req->cfpollable.status = P80211ENUM_msgitem_status_data_ok;
+	req->cfpollable.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLABLE(count);
+
+	/* cfpollreq */
+	req->cfpollreq.status = P80211ENUM_msgitem_status_data_ok;
+	req->cfpollreq.data = WLAN_GET_MGMT_CAP_INFO_CFPOLLREQ(count);
+
+	/* bsstype */
+	req->bsstype.status =  P80211ENUM_msgitem_status_data_ok;
+	req->bsstype.data = (WLAN_GET_MGMT_CAP_INFO_ESS(count)) ?
+		P80211ENUM_bsstype_infrastructure :
+		P80211ENUM_bsstype_independent;
+
+	// item->proberesp_rate
+/*
+	req->fhdwelltime
+	req->fhhopset
+	req->fhhoppattern
+	req->fhhopindex
+        req->cfpdurremaining
+*/
+
+	result = 0;
+	req->resultcode.data = P80211ENUM_resultcode_success;
+
+ exit:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_join
+*
+* Join a BSS whose BSS description was previously obtained with
+* a scan.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_join(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_join_t	*msg = msgp;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* TODO: Implement after scan */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	} else {
+
+		/*** ACCESS POINT ***/
+
+		/* Never supported by APs */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_p2_join
+*
+* Join a specific BSS
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_p2_join(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_join_t	*msg = msgp;
+	UINT16			reg;
+	p80211pstrd_t		*pstr;
+	UINT8			bytebuf[256];
+	hfa384x_bytestr_t	*p2bytestr = (hfa384x_bytestr_t*)bytebuf;
+        hfa384x_JoinRequest_data_t	joinreq;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		wlandev->macmode = WLAN_MACMODE_NONE;
+
+		/*** STATION ***/
+		/* Set the PortType */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+
+		/* ess port */
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 1);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set Port Type\n");
+			goto failed;
+		}
+
+		/* Set the auth type */
+		if ( msg->authtype.data == P80211ENUM_authalg_sharedkey ) {
+			reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY;
+		} else {
+			reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM;
+		}
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set Authentication\n");
+			goto failed;
+		}
+
+		/* Turn off all roaming */
+		hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFROAMINGMODE, 3);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to Turn off Roaming\n");
+			goto failed;
+		}
+
+		/* Basic rates */
+                reg = 0;
+		if ( msg->basicrate1.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg = p80211rate_to_p2bit(msg->basicrate1.data);
+		}
+		if ( msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->basicrate2.data);
+		}
+		if ( msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->basicrate3.data);
+		}
+		if ( msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->basicrate4.data);
+		}
+		if ( msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->basicrate5.data);
+		}
+		if ( msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->basicrate6.data);
+		}
+		if ( msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->basicrate7.data);
+		}
+		if ( msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->basicrate8.data);
+		}
+		if( reg == 0)
+			 reg = 0x03;
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, reg);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set basicrates=%d.\n", reg);
+			goto failed;
+		}
+
+		/* Operational rates (supprates and txratecontrol) */
+		reg = 0;
+		if ( msg->operationalrate1.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg = p80211rate_to_p2bit(msg->operationalrate1.data);
+		}
+		if ( msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->operationalrate2.data);
+		}
+		if ( msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->operationalrate3.data);
+		}
+		if ( msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->operationalrate4.data);
+		}
+		if ( msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->operationalrate5.data);
+		}
+		if ( msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->operationalrate6.data);
+		}
+		if ( msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->operationalrate7.data);
+		}
+		if ( msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok ) {
+			reg |= p80211rate_to_p2bit(msg->operationalrate8.data);
+		}
+		if( reg == 0)
+			 reg = 0x0f;
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, reg);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set supprates=%d.\n", reg);
+			goto failed;
+		}
+
+ 		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, reg);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set txrates=%d.\n", reg);
+			goto failed;
+		}
+
+		/* Set the ssid */
+		memset(bytebuf, 0, 256);
+		pstr = (p80211pstrd_t*)&(msg->ssid.data);
+		prism2mgmt_pstr2bytestr(p2bytestr, pstr);
+		result = hfa384x_drvr_setconfig(
+			hw, HFA384x_RID_CNFDESIREDSSID,
+			bytebuf, HFA384x_RID_CNFDESIREDSSID_LEN);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set SSID\n");
+			goto failed;
+		}
+
+		/* Enable the Port */
+		result = hfa384x_cmd_enable(hw, 0);
+		if ( result ) {
+			WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result);
+			goto failed;
+		}
+
+		/* Fill in the join request */
+		joinreq.channel = msg->channel.data;
+		memcpy( joinreq.bssid, ((unsigned char *) &msg->bssid.data) + 1, WLAN_BSSID_LEN);
+		hw->joinreq = joinreq;
+		hw->join_ap = 1;
+
+		/* Send the join request */
+		result = hfa384x_drvr_setconfig( hw,
+			HFA384x_RID_JOINREQUEST,
+			&joinreq, HFA384x_RID_JOINREQUEST_LEN);
+                if(result != 0) {
+			WLAN_LOG_ERROR("Join request failed, result=%d.\n", result);
+			goto failed;
+		}
+
+	} else {
+
+		/*** ACCESS POINT ***/
+
+		/* Never supported by APs */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	}
+
+        goto done;
+failed:
+	WLAN_LOG_DEBUG(1, "Failed to set a config option, result=%d\n", result);
+	msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+
+done:
+        result = 0;
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_authenticate
+*
+* Station should be begin an authentication exchange.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_authenticate(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_authenticate_t	*msg = msgp;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* TODO: Decide how we're going to handle this one w/ Prism2 */
+		/*       It could be entertaining since Prism2 doesn't have  */
+		/*       an explicit way to control this */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	} else {
+
+		/*** ACCESS POINT ***/
+
+		/* Never supported by APs */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_deauthenticate
+*
+* Send a deauthenticate notification.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_deauthenticate(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_deauthenticate_t	*msg = msgp;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* TODO: Decide how we're going to handle this one w/ Prism2 */
+		/*       It could be entertaining since Prism2 doesn't have  */
+		/*       an explicit way to control this */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	} else {
+
+		/*** ACCESS POINT ***/
+		hfa384x_drvr_handover(hw, msg->peerstaaddress.data.data);
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_associate
+*
+* Associate with an ESS.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_associate(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	int 			result = 0;
+	p80211msg_dot11req_associate_t	*msg = msgp;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+#if 0
+		/* Set the TxRates */
+		reg = 0x000f;
+		hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, reg);
+#endif
+
+		/* Set the PortType */
+		/* ess port */
+		hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 1);
+
+		/* Enable the Port */
+		hfa384x_drvr_enable(hw, 0);
+
+		/* Set the resultcode */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	} else {
+
+		/*** ACCESS POINT ***/
+
+		/* Never supported on AP */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_reassociate
+*
+* Renew association because of a BSS change.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_reassociate(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_reassociate_t	*msg = msgp;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* TODO: Not supported yet...not sure how we're going to do it */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	} else {
+
+		/*** ACCESS POINT ***/
+
+		/* Never supported on AP */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_disassociate
+*
+* Send a disassociation notification.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_disassociate(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_disassociate_t	*msg = msgp;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* TODO: Not supported yet...not sure how to do it */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	} else {
+
+		/*** ACCESS POINT ***/
+		hfa384x_drvr_handover(hw, msg->peerstaaddress.data.data);
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_reset
+*
+* Reset the MAC and MSD.  The p80211 layer has it's own handling
+* that should be done before and after this function.
+* Procedure:
+*   - disable system interrupts ??
+*   - disable MAC interrupts
+*   - restore system interrupts
+*   - issue the MAC initialize command
+*   - clear any MSD level state (including timers, queued events,
+*     etc.).  Note that if we're removing timer'd/queue events, we may
+*     need to have remained in the system interrupt disabled state.
+*     We should be left in the same state that we're in following
+*     driver initialization.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer, MAY BE NULL! for a driver local
+*			call.
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread, commonly wlanctl, but might be rmmod/pci_close.
+----------------------------------------------------------------*/
+int prism2mgmt_reset(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_reset_t	*msg = msgp;
+	DBFENTER;
+
+	/*
+	 * This is supported on both AP and STA and it's not allowed
+	 * to fail.
+	 */
+	if ( msgp ) {
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+		WLAN_LOG_INFO("dot11req_reset: the macaddress and "
+			"setdefaultmib arguments are currently unsupported.\n");
+	}
+
+	/*
+	 * If we got this far, the MSD must be in the MSDRUNNING state
+	 * therefore, we must stop and then restart the hw/MAC combo.
+	 */
+	hfa384x_drvr_stop(hw);
+	result = hfa384x_drvr_start(hw);
+	if (result != 0) {
+		WLAN_LOG_ERROR("dot11req_reset: Initialize command failed,"
+				" bad things will happen from here.\n");
+		return 0;
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_start
+*
+* Start a BSS.  Any station can do this for IBSS, only AP for ESS.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_start(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_dot11req_start_t	*msg = msgp;
+
+	p80211pstrd_t		*pstr;
+	UINT8			bytebuf[80];
+	hfa384x_bytestr_t	*p2bytestr = (hfa384x_bytestr_t*)bytebuf;
+	hfa384x_PCFInfo_data_t	*pcfinfo = (hfa384x_PCFInfo_data_t*)bytebuf;
+	UINT16			word;
+	DBFENTER;
+
+	wlandev->macmode = WLAN_MACMODE_NONE;
+
+	/* Set the SSID */
+	memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
+
+	if (!hw->ap) {
+		/*** ADHOC IBSS ***/
+		/* see if current f/w is less than 8c3 */
+		if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
+					     hw->ident_sta_fw.minor,
+					     hw->ident_sta_fw.variant) <
+		    HFA384x_FIRMWARE_VERSION(0,8,3)) {
+			/* Ad-Hoc not quite supported on Prism2 */
+			msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+			msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+			goto done;
+		}
+
+  		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+		/*** STATION ***/
+		/* Set the REQUIRED config items */
+		/* SSID */
+		pstr = (p80211pstrd_t*)&(msg->ssid.data);
+		prism2mgmt_pstr2bytestr(p2bytestr, pstr);
+		result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFOWNSSID,
+				bytebuf, HFA384x_RID_CNFOWNSSID_LEN);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set CnfOwnSSID\n");
+			goto failed;
+		}
+		result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFDESIREDSSID,
+				bytebuf, HFA384x_RID_CNFDESIREDSSID_LEN);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set CnfDesiredSSID\n");
+			goto failed;
+		}
+
+		/* bsstype - we use the default in the ap firmware */
+		/* IBSS port */
+		hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, 0);
+
+		/* beacon period */
+		word = msg->beaconperiod.data;
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNINT, word);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set beacon period=%d.\n", word);
+			goto failed;
+		}
+
+		/* dschannel */
+		word = msg->dschannel.data;
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set channel=%d.\n", word);
+			goto failed;
+		}
+		/* Basic rates */
+		word = p80211rate_to_p2bit(msg->basicrate1.data);
+		if ( msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->basicrate2.data);
+		}
+		if ( msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->basicrate3.data);
+		}
+		if ( msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->basicrate4.data);
+		}
+		if ( msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->basicrate5.data);
+		}
+		if ( msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->basicrate6.data);
+		}
+		if ( msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->basicrate7.data);
+		}
+		if ( msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->basicrate8.data);
+		}
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set basicrates=%d.\n", word);
+			goto failed;
+		}
+
+		/* Operational rates (supprates and txratecontrol) */
+		word = p80211rate_to_p2bit(msg->operationalrate1.data);
+		if ( msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->operationalrate2.data);
+		}
+		if ( msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->operationalrate3.data);
+		}
+		if ( msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->operationalrate4.data);
+		}
+		if ( msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->operationalrate5.data);
+		}
+		if ( msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->operationalrate6.data);
+		}
+		if ( msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->operationalrate7.data);
+		}
+		if ( msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok ) {
+			word |= p80211rate_to_p2bit(msg->operationalrate8.data);
+		}
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set supprates=%d.\n", word);
+			goto failed;
+		}
+
+ 		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, word);
+		if ( result ) {
+			WLAN_LOG_ERROR("Failed to set txrates=%d.\n", word);
+			goto failed;
+		}
+
+		/* Set the macmode so the frame setup code knows what to do */
+		if ( msg->bsstype.data == P80211ENUM_bsstype_independent ) {
+			wlandev->macmode = WLAN_MACMODE_IBSS_STA;
+			/* lets extend the data length a bit */
+			hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304);
+		}
+
+		/* Enable the Port */
+		result = hfa384x_drvr_enable(hw, 0);
+		if ( result ) {
+			WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result);
+			goto failed;
+		}
+
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+
+		goto done;
+	}
+
+	/*** ACCESS POINT ***/
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	/* Validate the command, if BSStype=infra is the tertiary loaded? */
+	if ( msg->bsstype.data == P80211ENUM_bsstype_independent ) {
+		WLAN_LOG_ERROR("AP driver cannot create IBSS.\n");
+		goto failed;
+	} else if ( hw->cap_sup_sta.id != 5) {
+		WLAN_LOG_ERROR("AP driver failed to detect AP firmware.\n");
+		goto failed;
+	}
+
+	/* Set the REQUIRED config items */
+	/* SSID */
+	pstr = (p80211pstrd_t*)&(msg->ssid.data);
+	prism2mgmt_pstr2bytestr(p2bytestr, pstr);
+	result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CNFOWNSSID,
+				bytebuf, HFA384x_RID_CNFOWNSSID_LEN);
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to set SSID, result=0x%04x\n", result);
+		goto failed;
+	}
+
+	/* bsstype - we use the default in the ap firmware */
+
+	/* beacon period */
+	word = msg->beaconperiod.data;
+	result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAPBCNINT, word);
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to set beacon period=%d.\n", word);
+		goto failed;
+	}
+
+	/* dschannel */
+	word = msg->dschannel.data;
+	result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNCHANNEL, word);
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to set channel=%d.\n", word);
+		goto failed;
+	}
+	/* Basic rates */
+	word = p80211rate_to_p2bit(msg->basicrate1.data);
+	if ( msg->basicrate2.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->basicrate2.data);
+	}
+	if ( msg->basicrate3.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->basicrate3.data);
+	}
+	if ( msg->basicrate4.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->basicrate4.data);
+	}
+	if ( msg->basicrate5.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->basicrate5.data);
+	}
+	if ( msg->basicrate6.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->basicrate6.data);
+	}
+	if ( msg->basicrate7.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->basicrate7.data);
+	}
+	if ( msg->basicrate8.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->basicrate8.data);
+	}
+	result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFBASICRATES, word);
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to set basicrates=%d.\n", word);
+		goto failed;
+	}
+
+	/* Operational rates (supprates and txratecontrol) */
+	word = p80211rate_to_p2bit(msg->operationalrate1.data);
+	if ( msg->operationalrate2.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->operationalrate2.data);
+	}
+	if ( msg->operationalrate3.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->operationalrate3.data);
+	}
+	if ( msg->operationalrate4.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->operationalrate4.data);
+	}
+	if ( msg->operationalrate5.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->operationalrate5.data);
+	}
+	if ( msg->operationalrate6.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->operationalrate6.data);
+	}
+	if ( msg->operationalrate7.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->operationalrate7.data);
+	}
+	if ( msg->operationalrate8.status == P80211ENUM_msgitem_status_data_ok ) {
+		word |= p80211rate_to_p2bit(msg->operationalrate8.data);
+	}
+	result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, word);
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to set supprates=%d.\n", word);
+		goto failed;
+	}
+	result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL0, word);
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to set txrates=%d.\n", word);
+		goto failed;
+	}
+
+	/* ibssatimwindow */
+	if (msg->ibssatimwindow.status == P80211ENUM_msgitem_status_data_ok) {
+		WLAN_LOG_INFO("prism2mgmt_start: atimwindow not used in "
+			       "Infrastructure mode, ignored.\n");
+	}
+
+	/* DTIM period */
+	word = msg->dtimperiod.data;
+	result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFOWNDTIMPER, word);
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to set dtim period=%d.\n", word);
+		goto failed;
+	}
+
+	/* probedelay */
+	if (msg->probedelay.status == P80211ENUM_msgitem_status_data_ok) {
+		WLAN_LOG_INFO("prism2mgmt_start: probedelay not "
+			       "supported in prism2, ignored.\n");
+	}
+
+	/* cfpollable, cfpollreq, cfpperiod, cfpmaxduration */
+	if (msg->cfpollable.data == P80211ENUM_truth_true &&
+	    msg->cfpollreq.data == P80211ENUM_truth_true ) {
+		WLAN_LOG_ERROR("cfpollable=cfpollreq=true is illegal.\n");
+		result = -1;
+		goto failed;
+	}
+
+	/* read the PCFInfo and update */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFAPPCFINFO,
+					pcfinfo, HFA384x_RID_CNFAPPCFINFO_LEN);
+	if ( result ) {
+		WLAN_LOG_INFO("prism2mgmt_start: read(pcfinfo) failed, "
+				"assume it's "
+				"not supported, pcf settings ignored.\n");
+		goto pcf_skip;
+	}
+	if ((msg->cfpollable.data == P80211ENUM_truth_false &&
+	     msg->cfpollreq.data == P80211ENUM_truth_false) ) {
+	    	pcfinfo->MediumOccupancyLimit = 0;
+		pcfinfo->CFPPeriod = 0;
+		pcfinfo->CFPMaxDuration = 0;
+		pcfinfo->CFPFlags &= host2hfa384x_16((UINT16)~BIT0);
+
+		if ( msg->cfpperiod.status == P80211ENUM_msgitem_status_data_ok ||
+		     msg->cfpmaxduration.status == P80211ENUM_msgitem_status_data_ok ) {
+			WLAN_LOG_WARNING(
+				"Setting cfpperiod or cfpmaxduration when "
+				"cfpollable and cfreq are false is pointless.\n");
+		}
+	}
+	if ((msg->cfpollable.data == P80211ENUM_truth_true ||
+	     msg->cfpollreq.data == P80211ENUM_truth_true) ) {
+		if ( msg->cfpollable.data == P80211ENUM_truth_true) {
+			pcfinfo->CFPFlags |= host2hfa384x_16((UINT16)BIT0);
+		}
+
+		if ( msg->cfpperiod.status == P80211ENUM_msgitem_status_data_ok) {
+			pcfinfo->CFPPeriod = msg->cfpperiod.data;
+			pcfinfo->CFPPeriod = host2hfa384x_16(pcfinfo->CFPPeriod);
+		}
+
+		if ( msg->cfpmaxduration.status == P80211ENUM_msgitem_status_data_ok) {
+			pcfinfo->CFPMaxDuration = msg->cfpmaxduration.data;
+			pcfinfo->CFPMaxDuration = host2hfa384x_16(pcfinfo->CFPMaxDuration);
+			pcfinfo->MediumOccupancyLimit = pcfinfo->CFPMaxDuration;
+		}
+	}
+	result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFAPPCFINFO,
+					pcfinfo, HFA384x_RID_CNFAPPCFINFO_LEN);
+	if ( result ) {
+		WLAN_LOG_ERROR("write(pcfinfo) failed.\n");
+		goto failed;
+	}
+
+pcf_skip:
+	/* Set the macmode so the frame setup code knows what to do */
+	if ( msg->bsstype.data == P80211ENUM_bsstype_infrastructure ) {
+		wlandev->macmode = WLAN_MACMODE_ESS_AP;
+		/* lets extend the data length a bit */
+		hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN, 2304);
+	}
+
+	/* Set the BSSID to the same as our MAC */
+	memcpy( wlandev->bssid, wlandev->netdev->dev_addr, WLAN_BSSID_LEN);
+
+	/* Enable the Port */
+	result = hfa384x_drvr_enable(hw, 0);
+	if ( result ) {
+		WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result);
+		goto failed;
+	}
+
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	goto done;
+failed:
+	WLAN_LOG_DEBUG(1, "Failed to set a config option, result=%d\n", result);
+	msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+
+done:
+	result = 0;
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_enable
+*
+* Start a BSS.  Any station can do this for IBSS, only AP for ESS.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_enable(wlandevice_t *wlandev, void *msgp)
+{
+	int			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_enable_t	*msg = msgp;
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* Ad-Hoc not quite supported on Prism2 */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		goto done;
+	}
+
+	/*** ACCESS POINT ***/
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	/* Is the tertiary loaded? */
+	if ( hw->cap_sup_sta.id != 5) {
+		WLAN_LOG_ERROR("AP driver failed to detect AP firmware.\n");
+		goto failed;
+	}
+
+	/* Set the macmode so the frame setup code knows what to do */
+	wlandev->macmode = WLAN_MACMODE_ESS_AP;
+
+	/* Set the BSSID to the same as our MAC */
+	memcpy( wlandev->bssid, wlandev->netdev->dev_addr, WLAN_BSSID_LEN);
+
+	/* Enable the Port */
+	result = hfa384x_drvr_enable(hw, 0);
+	if ( result ) {
+		WLAN_LOG_ERROR("Enable macport failed, result=%d.\n", result);
+		goto failed;
+	}
+
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	goto done;
+failed:
+	msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+
+done:
+	result = 0;
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_readpda
+*
+* Collect the PDA data and put it in the message.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_readpda_t	*msg = msgp;
+	int				result;
+	DBFENTER;
+
+	/* We only support collecting the PDA when in the FWLOAD
+	 * state.
+	 */
+	if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
+		WLAN_LOG_ERROR(
+			"PDA may only be read "
+			"in the fwload state.\n");
+		msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	} else {
+		/*  Call drvr_readpda(), it handles the auxport enable
+		 *  and validating the returned PDA.
+		 */
+		result = hfa384x_drvr_readpda(
+			hw,
+			msg->pda.data,
+			HFA384x_PDA_LEN_MAX);
+		if (result) {
+			WLAN_LOG_ERROR(
+				"hfa384x_drvr_readpda() failed, "
+				"result=%d\n",
+				result);
+
+			msg->resultcode.data =
+				P80211ENUM_resultcode_implementation_failure;
+			msg->resultcode.status =
+				P80211ENUM_msgitem_status_data_ok;
+			DBFEXIT;
+			return 0;
+		}
+		msg->pda.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_readcis
+*
+* Collect the CIS data and put it in the message.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_readcis(wlandevice_t *wlandev, void *msgp)
+{
+	int			result;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_readcis_t	*msg = msgp;
+
+	DBFENTER;
+
+        memset(msg->cis.data, 0, sizeof(msg->cis.data));
+
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CIS,
+					msg->cis.data, HFA384x_RID_CIS_LEN);
+	if ( result ) {
+		WLAN_LOG_INFO("prism2mgmt_readcis: read(cis) failed.\n");
+		msg->cis.status = P80211ENUM_msgitem_status_no_value;
+		msg->resultcode.data = P80211ENUM_resultcode_implementation_failure;
+
+		}
+	else {
+		msg->cis.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+		}
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	DBFEXIT;
+	return 0;
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_auxport_state
+*
+* Enables/Disables the card's auxiliary port.  Should be called
+* before and after a sequence of auxport_read()/auxport_write()
+* calls.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_auxport_state(wlandevice_t *wlandev, void *msgp)
+{
+	p80211msg_p2req_auxport_state_t	*msg = msgp;
+
+#if (WLAN_HOSTIF != WLAN_USB)
+	hfa384x_t		*hw = wlandev->priv;
+	DBFENTER;
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	if (msg->enable.data == P80211ENUM_truth_true) {
+		if ( hfa384x_cmd_aux_enable(hw, 0) ) {
+			msg->resultcode.data = P80211ENUM_resultcode_implementation_failure;
+		} else {
+			msg->resultcode.data = P80211ENUM_resultcode_success;
+		}
+	} else {
+		hfa384x_cmd_aux_disable(hw);
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+	}
+
+#else /* !USB */
+	DBFENTER;
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+
+#endif /* WLAN_HOSTIF != WLAN_USB */
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_auxport_read
+*
+* Copies data from the card using the auxport.  The auxport must
+* have previously been enabled.  Note: this is not the way to
+* do downloads, see the [ram|flash]dl functions.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_auxport_read(wlandevice_t *wlandev, void *msgp)
+{
+#if (WLAN_HOSTIF != WLAN_USB)
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_auxport_read_t	*msg = msgp;
+	UINT32			addr;
+	UINT32			len;
+	UINT8*			buf;
+	UINT32			maxlen = sizeof(msg->data.data);
+	DBFENTER;
+
+	if ( hw->auxen ) {
+		addr = msg->addr.data;
+		len = msg->len.data;
+		buf = msg->data.data;
+		if ( len <= maxlen ) {  /* max read/write size */
+			hfa384x_copy_from_aux(hw, addr, HFA384x_AUX_CTL_EXTDS, buf, len);
+			msg->resultcode.data = P80211ENUM_resultcode_success;
+		} else {
+			WLAN_LOG_DEBUG(1,"Attempt to read > maxlen from auxport.\n");
+			msg->resultcode.data = P80211ENUM_resultcode_refused;
+		}
+
+	} else {
+		msg->resultcode.data = P80211ENUM_resultcode_refused;
+	}
+	msg->data.status = P80211ENUM_msgitem_status_data_ok;
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	DBFEXIT;
+	return 0;
+#else
+	DBFENTER;
+
+	WLAN_LOG_ERROR("prism2mgmt_auxport_read: Not supported on USB.\n");
+
+	DBFEXIT;
+	return 0;
+#endif
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_auxport_write
+*
+* Copies data to the card using the auxport.  The auxport must
+* have previously been enabled.  Note: this is not the way to
+* do downloads, see the [ram|flash]dl functions.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_auxport_write(wlandevice_t *wlandev, void *msgp)
+{
+#if (WLAN_HOSTIF != WLAN_USB)
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_auxport_write_t	*msg = msgp;
+	UINT32			addr;
+	UINT32			len;
+	UINT8*			buf;
+	UINT32			maxlen = sizeof(msg->data.data);
+	DBFENTER;
+
+	if ( hw->auxen ) {
+		addr = msg->addr.data;
+		len = msg->len.data;
+		buf = msg->data.data;
+		if ( len <= maxlen ) {  /* max read/write size */
+			hfa384x_copy_to_aux(hw, addr, HFA384x_AUX_CTL_EXTDS, buf, len);
+		} else {
+			WLAN_LOG_DEBUG(1,"Attempt to write > maxlen from auxport.\n");
+			msg->resultcode.data = P80211ENUM_resultcode_refused;
+		}
+
+	} else {
+		msg->resultcode.data = P80211ENUM_resultcode_refused;
+	}
+	msg->data.status = P80211ENUM_msgitem_status_data_ok;
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	DBFEXIT;
+	return 0;
+#else
+	DBFENTER;
+	WLAN_LOG_ERROR("prism2mgmt_auxport_read: Not supported on USB.\n");
+	DBFEXIT;
+	return 0;
+#endif
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_low_level
+*
+* Puts the card into the desired test mode.
+*
+* Arguments:
+*       wlandev         wlan device structure
+*       msgp            ptr to msg buffer
+*
+* Returns:
+*       0       success and done
+*       <0      success, but we're waiting for something to finish.
+*       >0      an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*       process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_low_level(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+        p80211msg_p2req_low_level_t     *msg = msgp;
+	hfa384x_metacmd_t cmd;
+        DBFENTER;
+
+        msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+        /* call some routine to execute the test command */
+	cmd.cmd = (UINT16) msg->command.data;
+	cmd.parm0 = (UINT16) msg->param0.data;
+	cmd.parm1 = (UINT16) msg->param1.data;
+	cmd.parm2 = (UINT16) msg->param2.data;
+
+        hfa384x_drvr_low_level(hw,&cmd);
+
+        msg->resp0.data = (UINT32) cmd.result.resp0;
+        msg->resp1.data = (UINT32) cmd.result.resp1;
+        msg->resp2.data = (UINT32) cmd.result.resp2;
+
+        msg->resultcode.data = P80211ENUM_resultcode_success;
+
+        DBFEXIT;
+        return 0;
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_test_command
+*
+* Puts the card into the desired test mode.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_test_command(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_test_command_t	*msg = msgp;
+	hfa384x_metacmd_t cmd;
+
+        DBFENTER;
+
+	cmd.cmd = ((UINT16) msg->testcode.data) << 8 | 0x38;
+	cmd.parm0 = (UINT16) msg->testparam.data;
+	cmd.parm1 = 0;
+	cmd.parm2 = 0;
+
+        /* call some routine to execute the test command */
+
+        hfa384x_drvr_low_level(hw,&cmd);
+
+        msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+        msg->resultcode.data = P80211ENUM_resultcode_success;
+
+        msg->status.status = P80211ENUM_msgitem_status_data_ok;
+        msg->status.data = cmd.result.status;
+        msg->resp0.status = P80211ENUM_msgitem_status_data_ok;
+        msg->resp0.data = cmd.result.resp0;
+        msg->resp1.status = P80211ENUM_msgitem_status_data_ok;
+        msg->resp1.data = cmd.result.resp1;
+        msg->resp2.status = P80211ENUM_msgitem_status_data_ok;
+        msg->resp2.data = cmd.result.resp2;
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_mmi_read
+*
+* Read from one of the MMI registers.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_mmi_read(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_mmi_read_t	*msg = msgp;
+	UINT32 resp = 0;
+
+	DBFENTER;
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	/* call some routine to execute the test command */
+
+	hfa384x_drvr_mmi_read(hw, msg->addr.data, &resp);
+
+	/* I'm not sure if this is "architecturally" correct, but it
+           is expedient. */
+
+	msg->value.status = P80211ENUM_msgitem_status_data_ok;
+	msg->value.data = resp;
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	DBFEXIT;
+	return 0;
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_mmi_write
+*
+* Write a data value to one of the MMI registers.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_mmi_write(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_mmi_write_t	*msg = msgp;
+	DBFENTER;
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+
+	/* call some routine to execute the test command */
+
+	hfa384x_drvr_mmi_write(hw, msg->addr.data, msg->data.data);
+
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	DBFEXIT;
+	return 0;
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_ramdl_state
+*
+* Establishes the beginning/end of a card RAM download session.
+*
+* It is expected that the ramdl_write() function will be called
+* one or more times between the 'enable' and 'disable' calls to
+* this function.
+*
+* Note: This function should not be called when a mac comm port
+*       is active.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_ramdl_state_t	*msg = msgp;
+	DBFENTER;
+
+	if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
+		WLAN_LOG_ERROR(
+			"ramdl_state(): may only be called "
+			"in the fwload state.\n");
+		msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		DBFEXIT;
+		return 0;
+	}
+
+	/*
+	** Note: Interrupts are locked out if this is an AP and are NOT
+	** locked out if this is a station.
+	*/
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	if  ( msg->enable.data == P80211ENUM_truth_true ) {
+		if ( hfa384x_drvr_ramdl_enable(hw, msg->exeaddr.data) ) {
+			msg->resultcode.data = P80211ENUM_resultcode_implementation_failure;
+		} else {
+			msg->resultcode.data = P80211ENUM_resultcode_success;
+		}
+	} else {
+		hfa384x_drvr_ramdl_disable(hw);
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_ramdl_write
+*
+* Writes a buffer to the card RAM using the download state.  This
+* is for writing code to card RAM.  To just read or write raw data
+* use the aux functions.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_ramdl_write_t	*msg = msgp;
+	UINT32			addr;
+	UINT32			len;
+	UINT8			*buf;
+	DBFENTER;
+
+	if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
+		WLAN_LOG_ERROR(
+			"ramdl_write(): may only be called "
+			"in the fwload state.\n");
+		msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		DBFEXIT;
+		return 0;
+	}
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	/* first validate the length */
+	if  ( msg->len.data > sizeof(msg->data.data) ) {
+		msg->resultcode.status = P80211ENUM_resultcode_invalid_parameters;
+		return 0;
+	}
+	/* call the hfa384x function to do the write */
+	addr = msg->addr.data;
+	len = msg->len.data;
+	buf = msg->data.data;
+	if ( hfa384x_drvr_ramdl_write(hw, addr, buf, len) ) {
+		msg->resultcode.data = P80211ENUM_resultcode_refused;
+
+	}
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_flashdl_state
+*
+* Establishes the beginning/end of a card Flash download session.
+*
+* It is expected that the flashdl_write() function will be called
+* one or more times between the 'enable' and 'disable' calls to
+* this function.
+*
+* Note: This function should not be called when a mac comm port
+*       is active.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp)
+{
+	int			result = 0;
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_flashdl_state_t	*msg = msgp;
+	DBFENTER;
+
+	if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
+		WLAN_LOG_ERROR(
+			"flashdl_state(): may only be called "
+			"in the fwload state.\n");
+		msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		DBFEXIT;
+		return 0;
+	}
+
+	/*
+	** Note: Interrupts are locked out if this is an AP and are NOT
+	** locked out if this is a station.
+	*/
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	if  ( msg->enable.data == P80211ENUM_truth_true ) {
+		if ( hfa384x_drvr_flashdl_enable(hw) ) {
+			msg->resultcode.data = P80211ENUM_resultcode_implementation_failure;
+		} else {
+			msg->resultcode.data = P80211ENUM_resultcode_success;
+		}
+	} else {
+		hfa384x_drvr_flashdl_disable(hw);
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+		/* NOTE: At this point, the MAC is in the post-reset
+		 * state and the driver is in the fwload state.
+		 * We need to get the MAC back into the fwload
+		 * state.  To do this, we set the nsdstate to HWPRESENT
+		 * and then call the ifstate function to redo everything
+		 * that got us into the fwload state.
+		 */
+		wlandev->msdstate = WLAN_MSD_HWPRESENT;
+		result = prism2sta_ifstate(wlandev, P80211ENUM_ifstate_fwload);
+		if (result != P80211ENUM_resultcode_success) {
+			WLAN_LOG_ERROR("prism2sta_ifstate(fwload) failed,"
+				"P80211ENUM_resultcode=%d\n", result);
+			msg->resultcode.data =
+				P80211ENUM_resultcode_implementation_failure;
+			result = -1;
+		}
+	}
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_flashdl_write
+*
+*
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	p80211msg_p2req_flashdl_write_t	*msg = msgp;
+	UINT32			addr;
+	UINT32			len;
+	UINT8			*buf;
+	DBFENTER;
+
+	if (wlandev->msdstate != WLAN_MSD_FWLOAD) {
+		WLAN_LOG_ERROR(
+			"flashdl_write(): may only be called "
+			"in the fwload state.\n");
+		msg->resultcode.data =
+			P80211ENUM_resultcode_implementation_failure;
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		DBFEXIT;
+		return 0;
+	}
+
+	/*
+	** Note: Interrupts are locked out if this is an AP and are NOT
+	** locked out if this is a station.
+	*/
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	/* first validate the length */
+	if  ( msg->len.data > sizeof(msg->data.data) ) {
+		msg->resultcode.status =
+			P80211ENUM_resultcode_invalid_parameters;
+		return 0;
+	}
+	/* call the hfa384x function to do the write */
+	addr = msg->addr.data;
+	len = msg->len.data;
+	buf = msg->data.data;
+	if ( hfa384x_drvr_flashdl_write(hw, addr, buf, len) ) {
+		msg->resultcode.data = P80211ENUM_resultcode_refused;
+
+	}
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_dump_state
+*
+* Dumps the driver's and hardware's current state via the kernel
+* log at KERN_NOTICE level.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_dump_state(wlandevice_t *wlandev, void *msgp)
+{
+	p80211msg_p2req_dump_state_t	*msg = msgp;
+	int				result = 0;
+
+#if (WLAN_HOSTIF != WLAN_USB)
+	hfa384x_t		*hw = wlandev->priv;
+	UINT16				auxbuf[15];
+	DBFENTER;
+
+	WLAN_LOG_NOTICE("prism2 driver and hardware state:\n");
+	if  ( (result = hfa384x_cmd_aux_enable(hw, 0)) ) {
+		WLAN_LOG_ERROR("aux_enable failed, result=%d\n", result);
+		goto failed;
+	}
+	hfa384x_copy_from_aux(hw,
+		0x01e2,
+		HFA384x_AUX_CTL_EXTDS,
+		auxbuf,
+		sizeof(auxbuf));
+	hfa384x_cmd_aux_disable(hw);
+	WLAN_LOG_NOTICE("  cmac: FreeBlocks=%d\n", auxbuf[5]);
+	WLAN_LOG_NOTICE("  cmac: IntEn=0x%02x EvStat=0x%02x\n",
+		hfa384x_getreg(hw, HFA384x_INTEN),
+		hfa384x_getreg(hw, HFA384x_EVSTAT));
+
+	#ifdef USE_FID_STACK
+	WLAN_LOG_NOTICE("  drvr: txfid_top=%d stacksize=%d\n",
+		hw->txfid_top,HFA384x_DRVR_FIDSTACKLEN_MAX);
+	#else
+	WLAN_LOG_NOTICE("  drvr: txfid_head=%d txfid_tail=%d txfid_N=%d\n",
+		hw->txfid_head, hw->txfid_tail, hw->txfid_N);
+	#endif
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+#else /* (WLAN_HOSTIF == WLAN_USB) */
+
+	DBFENTER;
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+	goto failed;
+
+#endif /* (WLAN_HOSTIF != WLAN_USB) */
+
+failed:
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_channel_info
+*
+* Issues a ChannelInfoRequest.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_channel_info(wlandevice_t *wlandev, void *msgp)
+{
+	p80211msg_p2req_channel_info_t	*msg=msgp;
+	hfa384x_t			*hw = wlandev->priv;
+	int				result, i, n=0;
+	UINT16				channel_mask=0;
+	hfa384x_ChannelInfoRequest_data_t	chinforeq;
+	// unsigned long 			now;
+
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* Not supported in STA f/w */
+		P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_not_supported);
+		goto done;
+	}
+
+	/*** ACCESS POINT ***/
+
+#define CHINFO_TIMEOUT 2
+
+	P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_success);
+
+	/* setting default value for channellist = all channels */
+	if (!msg->channellist.data) {
+		P80211_SET_INT(msg->channellist, 0x00007FFE);
+	}
+	/* setting default value for channeldwelltime = 100 ms */
+	if (!msg->channeldwelltime.data) {
+		P80211_SET_INT(msg->channeldwelltime, 100);
+	}
+	channel_mask = (UINT16) (msg->channellist.data >> 1);
+	for (i=0, n=0; i < 14; i++) {
+		if (channel_mask & (1<<i)) {
+			n++;
+		}
+	}
+	P80211_SET_INT(msg->numchinfo, n);
+	chinforeq.channelList = host2hfa384x_16(channel_mask);
+	chinforeq.channelDwellTime = host2hfa384x_16(msg->channeldwelltime.data);
+
+	atomic_set(&hw->channel_info.done, 1);
+
+	result = hfa384x_drvr_setconfig( hw, HFA384x_RID_CHANNELINFOREQUEST,
+					 &chinforeq, HFA384x_RID_CHANNELINFOREQUEST_LEN);
+	if ( result ) {
+		WLAN_LOG_ERROR("setconfig(CHANNELINFOREQUEST) failed. result=%d\n",
+				result);
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		goto done;
+	}
+	/*
+	now = jiffies;
+	while (atomic_read(&hw->channel_info.done) != 1) {
+		if ((jiffies - now) > CHINFO_TIMEOUT*HZ) {
+			WLAN_LOG_NOTICE("ChannelInfo results not received in %d seconds, aborting.\n",
+					CHINFO_TIMEOUT);
+			msg->resultcode.data = P80211ENUM_resultcode_timeout;
+			goto done;
+		}
+		current->state = TASK_INTERRUPTIBLE;
+		schedule_timeout(HZ/4);
+		current->state = TASK_RUNNING;
+	}
+	*/
+
+done:
+
+	DBFEXIT;
+	return 0;
+}
+
+/*----------------------------------------------------------------
+* prism2mgmt_channel_info_results
+*
+* Returns required ChannelInfo result.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+----------------------------------------------------------------*/
+int prism2mgmt_channel_info_results(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t			*hw = wlandev->priv;
+
+	p80211msg_p2req_channel_info_results_t	*msg=msgp;
+	int				result=0;
+	int		channel;
+
+	DBFENTER;
+
+	if (!hw->ap) {
+
+		/*** STATION ***/
+
+		/* Not supported in STA f/w */
+		P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_not_supported);
+		goto done;
+	}
+
+	/*** ACCESS POINT ***/
+
+	switch (atomic_read(&hw->channel_info.done)) {
+	case 0: msg->resultcode.status = P80211ENUM_msgitem_status_no_value;
+		goto done;
+	case 1: msg->resultcode.status = P80211ENUM_msgitem_status_incomplete_itemdata;
+		goto done;
+	}
+
+	P80211_SET_INT(msg->resultcode, P80211ENUM_resultcode_success);
+	channel=msg->channel.data-1;
+
+	if (channel < 0 || ! (hw->channel_info.results.scanchannels & 1<<channel) ) {
+		msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+		goto done;
+	}
+	WLAN_LOG_DEBUG(2, "chinfo_results: channel %d, avg/peak level=%d/%d dB, active=%d\n",
+			channel+1,
+			hw->channel_info.results.result[channel].anl,
+			hw->channel_info.results.result[channel].pnl,
+			hw->channel_info.results.result[channel].active
+		);
+	P80211_SET_INT(msg->avgnoiselevel, hw->channel_info.results.result[channel].anl);
+	P80211_SET_INT(msg->peaknoiselevel, hw->channel_info.results.result[channel].pnl);
+	P80211_SET_INT(msg->bssactive, hw->channel_info.results.result[channel].active &
+		HFA384x_CHINFORESULT_BSSACTIVE
+                ? P80211ENUM_truth_true
+                : P80211ENUM_truth_false) ;
+	P80211_SET_INT(msg->pcfactive, hw->channel_info.results.result[channel].active &
+		HFA384x_CHINFORESULT_PCFACTIVE
+                ? P80211ENUM_truth_true
+                : P80211ENUM_truth_false) ;
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_autojoin
+*
+* Associate with an ESS.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t			*hw = wlandev->priv;
+	int 			result = 0;
+	UINT16			reg;
+	UINT16			port_type;
+	p80211msg_lnxreq_autojoin_t	*msg = msgp;
+	p80211pstrd_t		*pstr;
+	UINT8			bytebuf[256];
+	hfa384x_bytestr_t	*p2bytestr = (hfa384x_bytestr_t*)bytebuf;
+	DBFENTER;
+
+	wlandev->macmode = WLAN_MACMODE_NONE;
+
+	/* Set the SSID */
+	memcpy(&wlandev->ssid, &msg->ssid.data, sizeof(msg->ssid.data));
+
+	if (hw->ap) {
+
+		/*** ACCESS POINT ***/
+
+		/* Never supported on AP */
+		msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		goto done;
+	}
+
+	/* Disable the Port */
+	hfa384x_drvr_disable(hw, 0);
+
+	/*** STATION ***/
+	/* Set the TxRates */
+	hfa384x_drvr_setconfig16(hw, HFA384x_RID_TXRATECNTL, 0x000f);
+
+	/* Set the auth type */
+	if ( msg->authtype.data == P80211ENUM_authalg_sharedkey ) {
+		reg = HFA384x_CNFAUTHENTICATION_SHAREDKEY;
+	} else {
+		reg = HFA384x_CNFAUTHENTICATION_OPENSYSTEM;
+	}
+	hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFAUTHENTICATION, reg);
+
+	/* Set the ssid */
+	memset(bytebuf, 0, 256);
+	pstr = (p80211pstrd_t*)&(msg->ssid.data);
+	prism2mgmt_pstr2bytestr(p2bytestr, pstr);
+        result = hfa384x_drvr_setconfig(
+			hw, HFA384x_RID_CNFDESIREDSSID,
+			bytebuf, HFA384x_RID_CNFDESIREDSSID_LEN);
+#if 0
+	/* we can use the new-fangled auto-unknown mode if the firmware
+	   is 1.3.3 or newer */
+	if (HFA384x_FIRMARE_VERSION(hw->ident_sta_fw.major,
+				    hw->ident_sta_fw.minor,
+				    hw->ident_sta_fw.variant) >=
+	    HFA384x_FIRMWARE_VERSION(1,3,3)) {
+		/* Set up the IBSS options */
+		reg =  HFA384x_CREATEIBSS_JOINESS_JOINCREATEIBSS;
+		hfa384x_drvr_setconfig16(hw, HFA384x_RID_CREATEIBSS, reg);
+
+		/* Set the PortType */
+		port_type = HFA384x_PORTTYPE_IBSS;
+	} else {
+		port_type = HFA384x_PORTTYPE_BSS;
+	}
+#else
+	port_type = HFA384x_PORTTYPE_BSS;
+#endif
+	/* Set the PortType */
+	hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFPORTTYPE, port_type);
+
+	/* Enable the Port */
+	hfa384x_drvr_enable(hw, 0);
+
+	/* Set the resultcode */
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_wlansniff
+*
+* Start or stop sniffing.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
+{
+	int 			result = 0;
+	p80211msg_lnxreq_wlansniff_t	*msg = msgp;
+
+	hfa384x_t			*hw = wlandev->priv;
+	UINT16			word;
+
+	DBFENTER;
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	switch (msg->enable.data)
+	{
+	case P80211ENUM_truth_false:
+		/* Confirm that we're in monitor mode */
+		if ( wlandev->netdev->type == ARPHRD_ETHER ) {
+			msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+			result = 0;
+			goto exit;
+		}
+		/* Disable monitor mode */
+		result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE);
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+				"failed to disable monitor mode, result=%d\n",
+				result);
+			goto failed;
+		}
+		/* Disable port 0 */
+		result = hfa384x_drvr_disable(hw, 0);
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+			"failed to disable port 0 after sniffing, result=%d\n",
+			result);
+			goto failed;
+		}
+		/* Clear the driver state */
+		wlandev->netdev->type = ARPHRD_ETHER;
+
+		/* Restore the wepflags */
+		result = hfa384x_drvr_setconfig16(hw,
+				HFA384x_RID_CNFWEPFLAGS,
+				hw->presniff_wepflags);
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+			"failed to restore wepflags=0x%04x, result=%d\n",
+			hw->presniff_wepflags,
+			result);
+			goto failed;
+		}
+
+		/* Set the port to its prior type and enable (if necessary) */
+		if (hw->presniff_port_type != 0 ) {
+			word = hw->presniff_port_type;
+			result = hfa384x_drvr_setconfig16(hw,
+				HFA384x_RID_CNFPORTTYPE, word);
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,
+				"failed to restore porttype, result=%d\n",
+				result);
+				goto failed;
+			}
+
+			/* Enable the port */
+			result = hfa384x_drvr_enable(hw, 0);
+			if ( result ) {
+				WLAN_LOG_DEBUG(1, "failed to enable port to presniff setting, result=%d\n", result);
+				goto failed;
+			}
+		} else {
+			result = hfa384x_drvr_disable(hw, 0);
+
+		}
+
+		WLAN_LOG_INFO("monitor mode disabled\n");
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+		result = 0;
+		goto exit;
+		break;
+	case P80211ENUM_truth_true:
+		/* Disable the port (if enabled), only check Port 0 */
+		if ( hw->port_enabled[0]) {
+			if (wlandev->netdev->type == ARPHRD_ETHER) {
+				/* Save macport 0 state */
+				result = hfa384x_drvr_getconfig16(hw,
+								  HFA384x_RID_CNFPORTTYPE,
+								  &(hw->presniff_port_type));
+				if ( result ) {
+					WLAN_LOG_DEBUG(1,"failed to read porttype, result=%d\n", result);
+					goto failed;
+				}
+				/* Save the wepflags state */
+				result = hfa384x_drvr_getconfig16(hw,
+								  HFA384x_RID_CNFWEPFLAGS,
+								  &(hw->presniff_wepflags));
+				if ( result ) {
+					WLAN_LOG_DEBUG(1,"failed to read wepflags, result=%d\n", result);
+					goto failed;
+				}
+				hfa384x_drvr_stop(hw);
+				result = hfa384x_drvr_start(hw);
+				if ( result ) {
+					WLAN_LOG_DEBUG(1,
+						       "failed to restart the card for sniffing, result=%d\n",
+						       result);
+					goto failed;
+				}
+			} else {
+				/* Disable the port */
+				result = hfa384x_drvr_disable(hw, 0);
+				if ( result ) {
+					WLAN_LOG_DEBUG(1,
+						       "failed to enable port for sniffing, result=%d\n",
+						       result);
+					goto failed;
+				}
+			}
+		} else {
+			hw->presniff_port_type = 0;
+		}
+
+		/* Set the channel we wish to sniff  */
+		word = msg->channel.data;
+		result = hfa384x_drvr_setconfig16(hw,
+						  HFA384x_RID_CNFOWNCHANNEL, word);
+		hw->sniff_channel=word;
+
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+				       "failed to set channel %d, result=%d\n",
+					       word,
+				       result);
+			goto failed;
+		}
+
+		/* Now if we're already sniffing, we can skip the rest */
+		if (wlandev->netdev->type != ARPHRD_ETHER) {
+			/* Set the port type to pIbss */
+			word = HFA384x_PORTTYPE_PSUEDOIBSS;
+			result = hfa384x_drvr_setconfig16(hw,
+							  HFA384x_RID_CNFPORTTYPE, word);
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,
+					       "failed to set porttype %d, result=%d\n",
+					       word,
+					       result);
+				goto failed;
+			}
+			if ((msg->keepwepflags.status == P80211ENUM_msgitem_status_data_ok) && (msg->keepwepflags.data != P80211ENUM_truth_true)) {
+				/* Set the wepflags for no decryption */
+				word = HFA384x_WEPFLAGS_DISABLE_TXCRYPT |
+					HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
+				result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFWEPFLAGS, word);
+			}
+
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,
+					       "failed to set wepflags=0x%04x, result=%d\n",
+					       word,
+					       result);
+				goto failed;
+			}
+		}
+
+		/* Do we want to strip the FCS in monitor mode? */
+		if ((msg->stripfcs.status == P80211ENUM_msgitem_status_data_ok) && (msg->stripfcs.data == P80211ENUM_truth_true)) {
+			hw->sniff_fcs = 0;
+		} else {
+			hw->sniff_fcs = 1;
+		}
+
+		/* Do we want to truncate the packets? */
+		if (msg->packet_trunc.status == P80211ENUM_msgitem_status_data_ok) {
+			hw->sniff_truncate = msg->packet_trunc.data;
+		} else {
+			hw->sniff_truncate = 0;
+		}
+
+		/* Enable the port */
+		result = hfa384x_drvr_enable(hw, 0);
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+			"failed to enable port for sniffing, result=%d\n",
+			result);
+			goto failed;
+		}
+		/* Enable monitor mode */
+		result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE);
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+			"failed to enable monitor mode, result=%d\n",
+			result);
+			goto failed;
+		}
+
+		if (wlandev->netdev->type == ARPHRD_ETHER) {
+			WLAN_LOG_INFO("monitor mode enabled\n");
+		}
+
+		/* Set the driver state */
+		/* Do we want the prism2 header? */
+		if ((msg->prismheader.status == P80211ENUM_msgitem_status_data_ok) && (msg->prismheader.data == P80211ENUM_truth_true)) {
+			hw->sniffhdr = 0;
+			wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
+		} else if ((msg->wlanheader.status == P80211ENUM_msgitem_status_data_ok) && (msg->wlanheader.data == P80211ENUM_truth_true)) {
+			hw->sniffhdr = 1;
+			wlandev->netdev->type = ARPHRD_IEEE80211_PRISM;
+		} else {
+			wlandev->netdev->type = ARPHRD_IEEE80211;
+		}
+
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+		result = 0;
+		goto exit;
+		break;
+	default:
+		msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters;
+		result = 0;
+		goto exit;
+		break;
+	}
+
+failed:
+	msg->resultcode.data = P80211ENUM_resultcode_refused;
+	result = 0;
+exit:
+
+	DBFEXIT;
+	return result;
+}
diff --git a/drivers/staging/wlan-ng/prism2mgmt.h b/drivers/staging/wlan-ng/prism2mgmt.h
new file mode 100644
index 00000000000..733fd999c92
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2mgmt.h
@@ -0,0 +1,182 @@
+/* prism2mgmt.h
+*
+* Declares the mgmt command handler functions
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file contains the constants and data structures for interaction
+* with the hfa384x Wireless LAN (WLAN) Media Access Contoller (MAC).
+* The hfa384x is a portion of the Harris PRISM(tm) WLAN chipset.
+*
+* [Implementation and usage notes]
+*
+* [References]
+*   CW10 Programmer's Manual v1.5
+*   IEEE 802.11 D10.0
+*
+*    --------------------------------------------------------------------
+*/
+
+#ifndef _PRISM2MGMT_H
+#define _PRISM2MGMT_H
+
+
+/*=============================================================*/
+/*------ Constants --------------------------------------------*/
+
+/*=============================================================*/
+/*------ Macros -----------------------------------------------*/
+
+/*=============================================================*/
+/*------ Types and their related constants --------------------*/
+
+/*=============================================================*/
+/*------ Static variable externs ------------------------------*/
+
+#if (WLAN_HOSTIF != WLAN_USB)
+extern int      prism2_bap_timeout;
+extern int	prism2_irq_evread_max;
+#endif
+extern int	prism2_debug;
+extern int      prism2_reset_holdtime;
+extern int      prism2_reset_settletime;
+/*=============================================================*/
+/*--- Function Declarations -----------------------------------*/
+/*=============================================================*/
+
+UINT32
+prism2sta_ifstate(wlandevice_t *wlandev, UINT32 ifstate);
+
+void
+prism2sta_ev_dtim(wlandevice_t *wlandev);
+void
+prism2sta_ev_infdrop(wlandevice_t *wlandev);
+void
+prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+void
+prism2sta_ev_txexc(wlandevice_t *wlandev, UINT16 status);
+void
+prism2sta_ev_tx(wlandevice_t *wlandev, UINT16 status);
+void
+prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
+void
+prism2sta_ev_alloc(wlandevice_t *wlandev);
+
+
+int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_powermgmt(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_join(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_p2_join(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_authenticate(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_deauthenticate(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_associate(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_reassociate(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_disassociate(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_reset(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_start(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_readcis(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_auxport_state(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_auxport_read(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_auxport_write(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_low_level(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_test_command(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_mmi_read(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_mmi_write(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_mm_state(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_dump_state(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_enable(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_channel_info(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_channel_info_results(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp);
+
+/*---------------------------------------------------------------
+* conversion functions going between wlan message data types and
+* Prism2 data types
+---------------------------------------------------------------*/
+/* byte area conversion functions*/
+void prism2mgmt_pstr2bytearea(UINT8 *bytearea, p80211pstrd_t *pstr);
+void prism2mgmt_bytearea2pstr(UINT8 *bytearea, p80211pstrd_t *pstr, int len);
+
+/* byte string conversion functions*/
+void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr);
+void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr);
+
+/* integer conversion functions */
+void prism2mgmt_prism2int2p80211int(UINT16 *prism2int, UINT32 *wlanint);
+void prism2mgmt_p80211int2prism2int(UINT16 *prism2int, UINT32 *wlanint);
+
+/* enumerated integer conversion functions */
+void prism2mgmt_prism2enum2p80211enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid);
+void prism2mgmt_p80211enum2prism2enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid);
+
+/* functions to convert a bit area to/from an Operational Rate Set */
+void prism2mgmt_get_oprateset(UINT16 *rate, p80211pstrd_t *pstr);
+void prism2mgmt_set_oprateset(UINT16 *rate, p80211pstrd_t *pstr);
+
+/* functions to convert Group Addresses */
+void prism2mgmt_get_grpaddr(UINT32 did,
+	p80211pstrd_t *pstr, hfa384x_t *priv );
+int prism2mgmt_set_grpaddr(UINT32 did,
+	UINT8 *prism2buf, p80211pstrd_t *pstr, hfa384x_t *priv );
+int prism2mgmt_get_grpaddr_index( UINT32 did );
+
+void prism2sta_processing_defer(struct work_struct *data);
+
+void prism2sta_commsqual_defer(struct work_struct *data);
+void prism2sta_commsqual_timer(unsigned long data);
+
+/*=============================================================*/
+/*--- Inline Function Definitions (if supported) --------------*/
+/*=============================================================*/
+
+
+
+#endif
diff --git a/drivers/staging/wlan-ng/prism2mib.c b/drivers/staging/wlan-ng/prism2mib.c
new file mode 100644
index 00000000000..268fd9bba1e
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2mib.c
@@ -0,0 +1,3799 @@
+/* src/prism2/driver/prism2mib.c
+*
+* Management request for mibset/mibget
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* The functions in this file handle the mibset/mibget management
+* functions.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+#define WLAN_DBVAR	prism2_debug
+
+#include "version.h"
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+
+#include "wlan_compat.h"
+
+//#if (WLAN_HOSTIF == WLAN_PCMCIA)
+//#include <pcmcia/version.h>
+//#include <pcmcia/cs_types.h>
+//#include <pcmcia/cs.h>
+//#include <pcmcia/cistpl.h>
+//#include <pcmcia/ds.h>
+//#include <pcmcia/cisreg.h>
+//#endif
+//
+//#if ((WLAN_HOSTIF == WLAN_PLX) || (WLAN_HOSTIF == WLAN_PCI))
+//#include <linux/ioport.h>
+//#include <linux/pci.h>
+//endif
+
+//#if (WLAN_HOSTIF == WLAN_USB)
+#include <linux/usb.h>
+//#endif
+
+#include "wlan_compat.h"
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211mgmt.h"
+#include "p80211conv.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211metadef.h"
+#include "p80211metastruct.h"
+#include "hfa384x.h"
+#include "prism2mgmt.h"
+
+/*================================================================*/
+/* Local Constants */
+
+#define MIB_TMP_MAXLEN    200    /* Max length of RID record (in bytes). */
+
+/*================================================================*/
+/* Local Types */
+
+#define  F_AP         0x1        /* MIB is supported on Access Points. */
+#define  F_STA        0x2        /* MIB is supported on stations. */
+#define  F_READ       0x4        /* MIB may be read. */
+#define  F_WRITE      0x8        /* MIB may be written. */
+
+typedef struct mibrec
+{
+    UINT32   did;
+    UINT16   flag;
+    UINT16   parm1;
+    UINT16   parm2;
+    UINT16   parm3;
+    int      (*func)(struct mibrec                *mib,
+                     int                          isget,
+                     wlandevice_t                 *wlandev,
+                     hfa384x_t                    *hw,
+                     p80211msg_dot11req_mibset_t  *msg,
+                     void                         *data);
+} mibrec_t;
+
+/*================================================================*/
+/* Local Function Declarations */
+
+static int prism2mib_bytestr2pstr(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_bytearea2pstr(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_uint32(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_uint32array(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_uint32offset(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_truth(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_preamble(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_flag(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_appcfinfoflag(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_regulatorydomains(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_wepdefaultkey(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_powermanagement(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_privacyinvoked(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_excludeunencrypted(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_fragmentationthreshold(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_operationalrateset(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_groupaddress(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_fwid(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_authalg(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_authalgenable(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static int prism2mib_priv(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data);
+
+static void prism2mib_priv_authlist(
+hfa384x_t      *hw,
+prism2sta_authlist_t  *list);
+
+static void prism2mib_priv_accessmode(
+hfa384x_t         *hw,
+UINT32            mode);
+
+static void prism2mib_priv_accessallow(
+hfa384x_t         *hw,
+p80211macarray_t  *macarray);
+
+static void prism2mib_priv_accessdeny(
+hfa384x_t         *hw,
+p80211macarray_t  *macarray);
+
+static void prism2mib_priv_deauthenticate(
+hfa384x_t         *hw,
+UINT8             *addr);
+
+/*================================================================*/
+/* Local Static Definitions */
+
+static mibrec_t mibtab[] = {
+
+    /* dot11smt MIB's */
+
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11StationID,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11MediumOccupancyLimit,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 0,
+          prism2mib_uint32offset },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11CFPollable,
+          F_STA | F_READ,
+          HFA384x_RID_CFPOLLABLE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11CFPPeriod,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 1,
+          prism2mib_uint32offset },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11CFPMaxDuration,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 2,
+          prism2mib_uint32offset },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11AuthenticationResponseTimeOut,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFAUTHRSPTIMEOUT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11PrivacyOptionImplemented,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PRIVACYOPTIMP, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11PowerManagementMode,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFPMENABLED, 0, 0,
+          prism2mib_powermanagement },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredSSID,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFDESIREDSSID, HFA384x_RID_CNFDESIREDSSID_LEN, 0,
+          prism2mib_bytestr2pstr },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredBSSType,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11OperationalRateSet,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL, 0, 0,
+          prism2mib_operationalrateset },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11OperationalRateSet,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL0, 0, 0,
+          prism2mib_operationalrateset },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11BeaconPeriod,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPBCNINT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11DTIMPeriod,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNDTIMPER, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11smt_dot11StationConfigTable_dot11AssociationResponseTimeOut,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PROTOCOLRSPTIME, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm1,
+          F_AP | F_STA | F_READ,
+          1, 0, 0,
+          prism2mib_authalg },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm2,
+          F_AP | F_STA | F_READ,
+          2, 0, 0,
+          prism2mib_authalg },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm3,
+          F_AP | F_STA | F_READ,
+          3, 0, 0,
+          prism2mib_authalg },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm4,
+          F_AP | F_STA | F_READ,
+          4, 0, 0,
+          prism2mib_authalg },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm5,
+          F_AP | F_STA | F_READ,
+          5, 0, 0,
+          prism2mib_authalg },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithm6,
+          F_AP | F_STA | F_READ,
+          6, 0, 0,
+          prism2mib_authalg },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable1,
+          F_AP | F_STA | F_READ | F_WRITE,
+          1, 0, 0,
+          prism2mib_authalgenable },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable2,
+          F_AP | F_STA | F_READ | F_WRITE,
+          2, 0, 0,
+          prism2mib_authalgenable },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable3,
+          F_AP | F_STA | F_READ | F_WRITE,
+          3, 0, 0,
+          prism2mib_authalgenable },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable4,
+          F_AP | F_STA | F_READ | F_WRITE,
+          4, 0, 0,
+          prism2mib_authalgenable },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable5,
+          F_AP | F_STA | F_READ | F_WRITE,
+          5, 0, 0,
+          prism2mib_authalgenable },
+    { DIDmib_dot11smt_dot11AuthenticationAlgorithmsTable_dot11AuthenticationAlgorithmsEnable6,
+          F_AP | F_STA | F_READ | F_WRITE,
+          6, 0, 0,
+          prism2mib_authalgenable },
+    { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY3, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_PRIVINVOKED, 0,
+          prism2mib_privacyinvoked },
+    { DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEYID, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFWEPFLAGS, HFA384x_WEPFLAGS_EXCLUDE, 0,
+          prism2mib_excludeunencrypted },
+    { DIDmib_dot11phy_dot11PhyOperationTable_dot11ShortPreambleEnabled,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFSHORTPREAMBLE, 0, 0,
+          prism2mib_preamble },
+
+    /* dot11mac MIB's */
+
+    { DIDmib_dot11mac_dot11OperationTable_dot11MACAddress,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH0, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_SHORTRETRYLIMIT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_LONGRETRYLIMIT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH0, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_MAXTXLIFETIME, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11mac_dot11OperationTable_dot11MaxReceiveLifetime,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_MAXRXLIFETIME, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address1,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address2,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address3,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address4,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address5,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address6,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address7,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address8,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address9,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address10,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address11,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address12,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address13,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address14,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address15,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address16,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address17,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address18,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address19,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address20,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address21,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address22,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address23,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address24,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address25,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address26,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address27,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address28,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address29,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address30,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address31,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+    { DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address32,
+          F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_groupaddress },
+
+    /* dot11phy MIB's */
+
+    { DIDmib_dot11phy_dot11PhyOperationTable_dot11PHYType,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PHYTYPE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11phy_dot11PhyOperationTable_dot11TempType,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_TEMPTYPE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
+          F_STA | F_READ,
+          HFA384x_RID_CURRENTCHANNEL, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
+          F_AP | F_READ,
+          HFA384x_RID_CNFOWNCHANNEL, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentCCAMode,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_CCAMODE, 0, 0,
+          prism2mib_uint32 },
+
+    /* p2Table MIB's */
+
+    { DIDmib_p2_p2Table_p2MMTx,
+          F_AP | F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2EarlyBeacon,
+          F_AP | F_READ | F_WRITE,
+          BIT7, 0, 0,
+          prism2mib_appcfinfoflag },
+    { DIDmib_p2_p2Table_p2ReceivedFrameStatistics,
+          F_AP | F_STA | F_READ,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2CommunicationTallies,
+          F_AP | F_STA | F_READ,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2Authenticated,
+          F_AP | F_READ,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2Associated,
+          F_AP | F_READ,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2PowerSaveUserCount,
+          F_AP | F_READ,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2Comment,
+          F_AP | F_STA | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2AccessMode,
+          F_AP | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2AccessAllow,
+          F_AP | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2AccessDeny,
+          F_AP | F_READ | F_WRITE,
+          0, 0, 0,
+          prism2mib_priv },
+    { DIDmib_p2_p2Table_p2ChannelInfoResults,
+          F_AP | F_READ,
+          0, 0, 0,
+          prism2mib_priv },
+
+    /* p2Static MIB's */
+
+    { DIDmib_p2_p2Static_p2CnfPortType,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFPORTTYPE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfOwnMACAddress,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNMACADDR, HFA384x_RID_CNFOWNMACADDR_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfDesiredSSID,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFDESIREDSSID, HFA384x_RID_CNFDESIREDSSID_LEN, 0,
+          prism2mib_bytestr2pstr },
+    { DIDmib_p2_p2Static_p2CnfOwnChannel,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNCHANNEL, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfOwnSSID,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNSSID, HFA384x_RID_CNFOWNSSID_LEN, 0,
+          prism2mib_bytestr2pstr },
+    { DIDmib_p2_p2Static_p2CnfOwnATIMWindow,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNATIMWIN, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfSystemScale,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFSYSSCALE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfMaxDataLength,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFMAXDATALEN, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfWDSAddress,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFWDSADDR, HFA384x_RID_CNFWDSADDR_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfPMEnabled,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFPMENABLED, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Static_p2CnfPMEPS,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFPMEPS, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Static_p2CnfMulticastReceive,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFMULTICASTRX, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Static_p2CnfMaxSleepDuration,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFMAXSLEEPDUR, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfPMHoldoverDuration,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFPMHOLDDUR, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfOwnName,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNNAME, HFA384x_RID_CNFOWNNAME_LEN, 0,
+          prism2mib_bytestr2pstr },
+    { DIDmib_p2_p2Static_p2CnfOwnDTIMPeriod,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFOWNDTIMPER, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfWDSAddress1,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFWDSADDR1, HFA384x_RID_CNFWDSADDR1_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfWDSAddress2,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFWDSADDR2, HFA384x_RID_CNFWDSADDR2_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfWDSAddress3,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFWDSADDR3, HFA384x_RID_CNFWDSADDR3_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfWDSAddress4,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFWDSADDR4, HFA384x_RID_CNFWDSADDR4_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfWDSAddress5,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFWDSADDR5, HFA384x_RID_CNFWDSADDR5_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfWDSAddress6,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFWDSADDR6, HFA384x_RID_CNFWDSADDR6_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2Static_p2CnfMulticastPMBuffering,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFMCASTPMBUFF, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Static_p2CnfWEPDefaultKeyID,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEYID, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfWEPDefaultKey0,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY0, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_p2_p2Static_p2CnfWEPDefaultKey1,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY1, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_p2_p2Static_p2CnfWEPDefaultKey2,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY2, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_p2_p2Static_p2CnfWEPDefaultKey3,
+          F_AP | F_STA | F_WRITE,
+          HFA384x_RID_CNFWEPDEFAULTKEY3, 0, 0,
+          prism2mib_wepdefaultkey },
+    { DIDmib_p2_p2Static_p2CnfWEPFlags,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFWEPFLAGS, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfAuthentication,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFAUTHENTICATION, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfMaxAssociatedStations,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFMAXASSOCSTATIONS, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfTxControl,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFTXCONTROL, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfRoamingMode,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFROAMINGMODE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfHostAuthentication,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFHOSTAUTHASSOC, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Static_p2CnfRcvCrcError,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFRCVCRCERROR, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfAltRetryCount,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFALTRETRYCNT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfBeaconInterval,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPBCNINT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfMediumOccupancyLimit,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 0,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2Static_p2CnfCFPPeriod,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 1,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2Static_p2CnfCFPMaxDuration,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 2,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2Static_p2CnfCFPFlags,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFAPPCFINFO, HFA384x_RID_CNFAPPCFINFO_LEN, 3,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2Static_p2CnfSTAPCFInfo,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFSTAPCFINFO, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfPriorityQUsage,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFPRIORITYQUSAGE, HFA384x_RID_CNFPRIOQUSAGE_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2Static_p2CnfTIMCtrl,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFTIMCTRL, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfThirty2Tally,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFTHIRTY2TALLY, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Static_p2CnfEnhSecurity,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFENHSECURITY, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfShortPreamble,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFSHORTPREAMBLE, 0, 0,
+          prism2mib_preamble },
+    { DIDmib_p2_p2Static_p2CnfExcludeLongPreamble,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_CNFEXCLONGPREAMBLE, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Static_p2CnfAuthenticationRspTO,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFAUTHRSPTIMEOUT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfBasicRates,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFBASICRATES, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Static_p2CnfSupportedRates,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFSUPPRATES, 0, 0,
+          prism2mib_uint32 },
+
+    /* p2Dynamic MIB's */
+
+    { DIDmib_p2_p2Dynamic_p2CreateIBSS,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CREATEIBSS, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2PromiscuousMode,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_PROMISCMODE, 0, 0,
+          prism2mib_truth },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold0,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH0, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold1,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH1, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold2,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH2, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold3,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH3, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold4,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH4, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold5,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH5, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2FragmentationThreshold6,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_FRAGTHRESH6, 0, 0,
+          prism2mib_fragmentationthreshold },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold0,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH0, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold1,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH1, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold2,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH2, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold3,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH3, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold4,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH4, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold5,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH5, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2RTSThreshold6,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_RTSTHRESH6, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl0,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL0, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl1,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL1, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl2,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL2, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl3,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL3, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl4,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL4, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl5,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL5, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Dynamic_p2TxRateControl6,
+          F_AP | F_READ | F_WRITE,
+          HFA384x_RID_TXRATECNTL6, 0, 0,
+          prism2mib_uint32 },
+
+    /* p2Behavior MIB's */
+
+    { DIDmib_p2_p2Behavior_p2TickTime,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_ITICKTIME, 0, 0,
+          prism2mib_uint32 },
+
+    /* p2NIC MIB's */
+
+    { DIDmib_p2_p2NIC_p2MaxLoadTime,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_MAXLOADTIME, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2NIC_p2DLBufferPage,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_DOWNLOADBUFFER, HFA384x_RID_DOWNLOADBUFFER_LEN, 0,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2NIC_p2DLBufferOffset,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_DOWNLOADBUFFER, HFA384x_RID_DOWNLOADBUFFER_LEN, 1,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2NIC_p2DLBufferLength,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_DOWNLOADBUFFER, HFA384x_RID_DOWNLOADBUFFER_LEN, 2,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2NIC_p2PRIIdentity,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PRIIDENTITY, HFA384x_RID_PRIIDENTITY_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2PRISupRange,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PRISUPRANGE, HFA384x_RID_PRISUPRANGE_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2CFIActRanges,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PRI_CFIACTRANGES, HFA384x_RID_CFIACTRANGES_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2BuildSequence,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_BUILDSEQ, HFA384x_RID_BUILDSEQ_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2PrimaryFWID,
+          F_AP | F_STA | F_READ,
+          0, 0, 0,
+          prism2mib_fwid },
+    { DIDmib_p2_p2NIC_p2SecondaryFWID,
+          F_AP | F_STA | F_READ,
+          0, 0, 0,
+          prism2mib_fwid },
+    { DIDmib_p2_p2NIC_p2TertiaryFWID,
+          F_AP | F_READ,
+          0, 0, 0,
+          prism2mib_fwid },
+    { DIDmib_p2_p2NIC_p2NICSerialNumber,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_NICSERIALNUMBER, HFA384x_RID_NICSERIALNUMBER_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2NIC_p2NICIdentity,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_NICIDENTITY, HFA384x_RID_NICIDENTITY_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2MFISupRange,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_MFISUPRANGE, HFA384x_RID_MFISUPRANGE_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2CFISupRange,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_CFISUPRANGE, HFA384x_RID_CFISUPRANGE_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2ChannelList,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_CHANNELLIST, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2NIC_p2RegulatoryDomains,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_REGULATORYDOMAINS, HFA384x_RID_REGULATORYDOMAINS_LEN, 0,
+          prism2mib_regulatorydomains },
+    { DIDmib_p2_p2NIC_p2TempType,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_TEMPTYPE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2NIC_p2STAIdentity,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_STAIDENTITY, HFA384x_RID_STAIDENTITY_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2STASupRange,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_STASUPRANGE, HFA384x_RID_STASUPRANGE_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2MFIActRanges,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_STA_MFIACTRANGES, HFA384x_RID_MFIACTRANGES_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2NIC_p2STACFIActRanges,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_STA_CFIACTRANGES, HFA384x_RID_CFIACTRANGES2_LEN, 0,
+          prism2mib_uint32array },
+
+    /* p2MAC MIB's */
+
+    { DIDmib_p2_p2MAC_p2PortStatus,
+          F_STA | F_READ,
+          HFA384x_RID_PORTSTATUS, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentSSID,
+          F_STA | F_READ,
+          HFA384x_RID_CURRENTSSID, HFA384x_RID_CURRENTSSID_LEN, 0,
+          prism2mib_bytestr2pstr },
+    { DIDmib_p2_p2MAC_p2CurrentBSSID,
+          F_STA | F_READ,
+          HFA384x_RID_CURRENTBSSID, HFA384x_RID_CURRENTBSSID_LEN, 0,
+          prism2mib_bytearea2pstr },
+    { DIDmib_p2_p2MAC_p2CommsQuality,
+          F_STA | F_READ,
+          HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2MAC_p2CommsQualityCQ,
+          F_STA | F_READ,
+          HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 0,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2MAC_p2CommsQualityASL,
+          F_STA | F_READ,
+          HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 1,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2MAC_p2CommsQualityANL,
+          F_STA | F_READ,
+          HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 2,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2MAC_p2dbmCommsQuality,
+          F_STA | F_READ,
+          HFA384x_RID_DBMCOMMSQUALITY, HFA384x_RID_DBMCOMMSQUALITY_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2MAC_p2dbmCommsQualityCQ,
+          F_STA | F_READ,
+          HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 0,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2MAC_p2dbmCommsQualityASL,
+          F_STA | F_READ,
+          HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 1,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2MAC_p2dbmCommsQualityANL,
+          F_STA | F_READ,
+          HFA384x_RID_COMMSQUALITY, HFA384x_RID_COMMSQUALITY_LEN, 2,
+          prism2mib_uint32offset },
+    { DIDmib_p2_p2MAC_p2CurrentTxRate,
+          F_STA | F_READ,
+          HFA384x_RID_CURRENTTXRATE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentBeaconInterval,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_CURRENTBCNINT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2StaCurrentScaleThresholds,
+          F_STA | F_READ,
+          HFA384x_RID_CURRENTSCALETHRESH, HFA384x_RID_STACURSCALETHRESH_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2MAC_p2APCurrentScaleThresholds,
+          F_AP | F_READ,
+          HFA384x_RID_CURRENTSCALETHRESH, HFA384x_RID_APCURSCALETHRESH_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2MAC_p2ProtocolRspTime,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PROTOCOLRSPTIME, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2ShortRetryLimit,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_SHORTRETRYLIMIT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2LongRetryLimit,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_LONGRETRYLIMIT, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2MaxTransmitLifetime,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_MAXTXLIFETIME, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2MaxReceiveLifetime,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_MAXRXLIFETIME, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CFPollable,
+          F_STA | F_READ,
+          HFA384x_RID_CFPOLLABLE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2AuthenticationAlgorithms,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_AUTHALGORITHMS, HFA384x_RID_AUTHALGORITHMS_LEN, 0,
+          prism2mib_uint32array },
+    { DIDmib_p2_p2MAC_p2PrivacyOptionImplemented,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PRIVACYOPTIMP, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentTxRate1,
+          F_AP | F_READ,
+          HFA384x_RID_CURRENTTXRATE1, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentTxRate2,
+          F_AP | F_READ,
+          HFA384x_RID_CURRENTTXRATE2, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentTxRate3,
+          F_AP | F_READ,
+          HFA384x_RID_CURRENTTXRATE3, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentTxRate4,
+          F_AP | F_READ,
+          HFA384x_RID_CURRENTTXRATE4, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentTxRate5,
+          F_AP | F_READ,
+          HFA384x_RID_CURRENTTXRATE5, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2CurrentTxRate6,
+          F_AP | F_READ,
+          HFA384x_RID_CURRENTTXRATE6, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2MAC_p2OwnMACAddress,
+          F_AP | F_READ,
+          HFA384x_RID_OWNMACADDRESS, HFA384x_RID_OWNMACADDRESS_LEN, 0,
+          prism2mib_bytearea2pstr },
+
+    /* p2Modem MIB's */
+
+    { DIDmib_p2_p2Modem_p2PHYType,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_PHYTYPE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Modem_p2CurrentChannel,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_CURRENTCHANNEL, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Modem_p2CurrentPowerState,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_CURRENTPOWERSTATE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Modem_p2CCAMode,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_CCAMODE, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Modem_p2TxPowerMax,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_TXPOWERMAX, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
+          F_AP | F_STA | F_READ | F_WRITE,
+          HFA384x_RID_TXPOWERMAX, 0, 0,
+          prism2mib_uint32 },
+    { DIDmib_p2_p2Modem_p2SupportedDataRates,
+          F_AP | F_STA | F_READ,
+          HFA384x_RID_SUPPORTEDDATARATES, HFA384x_RID_SUPPORTEDDATARATES_LEN, 0,
+          prism2mib_bytestr2pstr },
+
+    /* And finally, lnx mibs */
+    { DIDmib_lnx_lnxConfigTable_lnxRSNAIE,
+          F_STA | F_READ | F_WRITE,
+          HFA384x_RID_CNFWPADATA, 0, 0,
+          prism2mib_priv },
+    { 0, 0, 0, 0, 0, NULL}};
+
+/*----------------------------------------------------------------
+These MIB's are not supported at this time:
+
+DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityPresent
+DIDmib_dot11phy_dot11PhyOperationTable_dot11ChannelAgilityEnabled
+DIDmib_dot11phy_dot11PhyDSSSTable_dot11PBCCOptionImplemented
+DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportIndex
+DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxIndex
+DIDmib_dot11phy_dot11SupportedDataRatesTxTable_dot11SupportedDataRatesTxValue
+DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxIndex
+DIDmib_dot11phy_dot11SupportedDataRatesRxTable_dot11SupportedDataRatesRxValue
+
+DIDmib_dot11phy_dot11RegDomainsSupportedTable_dot11RegDomainsSupportValue
+TODO: need to investigate why wlan has this as enumerated and Prism2 has this
+      as btye str.
+
+DIDmib_dot11phy_dot11PhyDSSSTable_dot11ShortPreambleOptionImplemented
+TODO: Find out the firmware version number(s) for identifying
+      whether the firmware is capable of short preamble. TRUE or FALSE
+      will be returned based on the version of the firmware.
+
+WEP Key mappings aren't supported in the f/w.
+DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingIndex
+DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingAddress
+DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingWEPOn
+DIDmib_dot11smt_dot11WEPKeyMappingsTable_dot11WEPKeyMappingValue
+DIDmib_dot11smt_dot11PrivacyTable_dot11WEPKeyMappingLength
+
+TODO: implement counters.
+DIDmib_dot11smt_dot11PrivacyTable_dot11WEPICVErrorCount
+DIDmib_dot11smt_dot11PrivacyTable_dot11WEPExcludedCount
+DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFragmentCount
+DIDmib_dot11mac_dot11CountersTable_dot11MulticastTransmittedFrameCount
+DIDmib_dot11mac_dot11CountersTable_dot11FailedCount
+DIDmib_dot11mac_dot11CountersTable_dot11RetryCount
+DIDmib_dot11mac_dot11CountersTable_dot11MultipleRetryCount
+DIDmib_dot11mac_dot11CountersTable_dot11FrameDuplicateCount
+DIDmib_dot11mac_dot11CountersTable_dot11RTSSuccessCount
+DIDmib_dot11mac_dot11CountersTable_dot11RTSFailureCount
+DIDmib_dot11mac_dot11CountersTable_dot11ACKFailureCount
+DIDmib_dot11mac_dot11CountersTable_dot11ReceivedFragmentCount
+DIDmib_dot11mac_dot11CountersTable_dot11MulticastReceivedFrameCount
+DIDmib_dot11mac_dot11CountersTable_dot11FCSErrorCount
+DIDmib_dot11mac_dot11CountersTable_dot11TransmittedFrameCount
+DIDmib_dot11mac_dot11CountersTable_dot11WEPUndecryptableCount
+
+TODO: implement sane values for these.
+DIDmib_dot11mac_dot11OperationTable_dot11ManufacturerID
+DIDmib_dot11mac_dot11OperationTable_dot11ProductID
+
+Not too worried about these at the moment.
+DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentTxAntenna
+DIDmib_dot11phy_dot11PhyAntennaTable_dot11DiversitySupport
+DIDmib_dot11phy_dot11PhyAntennaTable_dot11CurrentRxAntenna
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11NumberSupportedPowerLevels
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel1
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel2
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel3
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel4
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel5
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel6
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel7
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11TxPowerLevel8
+DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel
+
+Ummm, FH and IR don't apply
+DIDmib_dot11phy_dot11PhyFHSSTable_dot11HopTime
+DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentChannelNumber
+DIDmib_dot11phy_dot11PhyFHSSTable_dot11MaxDwellTime
+DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentDwellTime
+DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentSet
+DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentPattern
+DIDmib_dot11phy_dot11PhyFHSSTable_dot11CurrentIndex
+DIDmib_dot11phy_dot11PhyDSSSTable_dot11CCAModeSupported
+DIDmib_dot11phy_dot11PhyDSSSTable_dot11EDThreshold
+DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMax
+DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMax
+DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogTimerMin
+DIDmib_dot11phy_dot11PhyIRTable_dot11CCAWatchdogCountMin
+
+We just don't have enough antennas right now to worry about this.
+DIDmib_dot11phy_dot11AntennasListTable_dot11AntennaListIndex
+DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedTxAntenna
+DIDmib_dot11phy_dot11AntennasListTable_dot11SupportedRxAntenna
+DIDmib_dot11phy_dot11AntennasListTable_dot11DiversitySelectionRx
+
+------------------------------------------------------------------*/
+
+/*================================================================*/
+/* Function Definitions */
+
+/*----------------------------------------------------------------
+* prism2mgmt_mibset_mibget
+*
+* Set the value of a mib item.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+*	0	success and done
+*	<0	success, but we're waiting for something to finish.
+*	>0	an error occurred while handling the message.
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+
+int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp)
+{
+	hfa384x_t		*hw = wlandev->priv;
+	int			result, isget;
+	mibrec_t		*mib;
+	UINT16			which;
+
+	p80211msg_dot11req_mibset_t	*msg = msgp;
+	p80211itemd_t			*mibitem;
+
+	DBFENTER;
+
+	msg->resultcode.status = P80211ENUM_msgitem_status_data_ok;
+	msg->resultcode.data = P80211ENUM_resultcode_success;
+
+	/*
+	** Determine if this is an Access Point or a station.
+	*/
+
+	which = hw->ap ? F_AP : F_STA;
+
+	/*
+	** Find the MIB in the MIB table.  Note that a MIB may be in the
+	** table twice...once for an AP and once for a station.  Make sure
+	** to get the correct one.  Note that DID=0 marks the end of the
+	** MIB table.
+	*/
+
+	mibitem = (p80211itemd_t *) msg->mibattribute.data;
+
+	for (mib = mibtab; mib->did != 0; mib++)
+		if (mib->did == mibitem->did && (mib->flag & which))
+			break;
+
+	if (mib->did == 0) {
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		goto done;
+	}
+
+	/*
+	** Determine if this is a "mibget" or a "mibset".  If this is a
+	** "mibget", then make sure that the MIB may be read.  Otherwise,
+	** this is a "mibset" so make make sure that the MIB may be written.
+	*/
+
+	isget = (msg->msgcode == DIDmsg_dot11req_mibget);
+
+	if (isget) {
+		if (!(mib->flag & F_READ)) {
+			msg->resultcode.data =
+				P80211ENUM_resultcode_cant_get_writeonly_mib;
+			goto done;
+		}
+	} else {
+		if (!(mib->flag & F_WRITE)) {
+			msg->resultcode.data =
+				P80211ENUM_resultcode_cant_set_readonly_mib;
+			goto done;
+		}
+	}
+
+	/*
+	** Execute the MIB function.  If things worked okay, then make
+	** sure that the MIB function also worked okay.  If so, and this
+	** is a "mibget", then the status value must be set for both the
+	** "mibattribute" parameter and the mib item within the data
+	** portion of the "mibattribute".
+	*/
+
+	result = mib->func(mib, isget, wlandev, hw, msg,
+			   (void *) mibitem->data);
+
+	if (msg->resultcode.data == P80211ENUM_resultcode_success) {
+		if (result != 0) {
+			WLAN_LOG_DEBUG(1, "get/set failure, result=%d\n",
+					result);
+			msg->resultcode.data =
+				 P80211ENUM_resultcode_implementation_failure;
+		} else {
+			if (isget) {
+				msg->mibattribute.status =
+					P80211ENUM_msgitem_status_data_ok;
+				mibitem->status =
+					P80211ENUM_msgitem_status_data_ok;
+			}
+		}
+	}
+
+done:
+	DBFEXIT;
+
+	return(0);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_bytestr2pstr
+*
+* Get/set pstr data to/from a byte string.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Number of bytes of RID data.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_bytestr2pstr(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int                result;
+	p80211pstrd_t      *pstr = (p80211pstrd_t*) data;
+	UINT8              bytebuf[MIB_TMP_MAXLEN];
+	hfa384x_bytestr_t  *p2bytestr = (hfa384x_bytestr_t*) bytebuf;
+
+	DBFENTER;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig(hw, mib->parm1, bytebuf, mib->parm2);
+		prism2mgmt_bytestr2pstr(p2bytestr, pstr);
+	} else {
+		memset(bytebuf, 0, mib->parm2);
+		prism2mgmt_pstr2bytestr(p2bytestr, pstr);
+		result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, mib->parm2);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_bytearea2pstr
+*
+* Get/set pstr data to/from a byte area.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Number of bytes of RID data.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_bytearea2pstr(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int            result;
+	p80211pstrd_t  *pstr = (p80211pstrd_t*) data;
+	UINT8          bytebuf[MIB_TMP_MAXLEN];
+
+	DBFENTER;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig(hw, mib->parm1, bytebuf, mib->parm2);
+		prism2mgmt_bytearea2pstr(bytebuf, pstr,	mib->parm2);
+	} else {
+		memset(bytebuf, 0, mib->parm2);
+		prism2mgmt_pstr2bytearea(bytebuf, pstr);
+		result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, mib->parm2);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_uint32
+*
+* Get/set uint32 data.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_uint32(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+	UINT8   bytebuf[MIB_TMP_MAXLEN];
+	UINT16  *wordbuf = (UINT16*) bytebuf;
+
+	DBFENTER;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
+		*uint32 = *wordbuf;
+		/* [MSM] Removed, getconfig16 returns the value in host order.
+		 * prism2mgmt_prism2int2p80211int(wordbuf, uint32);
+		 */
+	} else {
+		/* [MSM] Removed, setconfig16 expects host order.
+		 * prism2mgmt_p80211int2prism2int(wordbuf, uint32);
+		 */
+		*wordbuf = *uint32;
+		result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_uint32array
+*
+* Get/set an array of uint32 data.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Number of bytes of RID data.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_uint32array(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32 *) data;
+	UINT8   bytebuf[MIB_TMP_MAXLEN];
+	UINT16  *wordbuf = (UINT16*) bytebuf;
+	int     i, cnt;
+
+	DBFENTER;
+
+	cnt = mib->parm2 / sizeof(UINT16);
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig(hw, mib->parm1, wordbuf, mib->parm2);
+		for (i = 0; i < cnt; i++)
+			prism2mgmt_prism2int2p80211int(wordbuf+i, uint32+i);
+	} else {
+		for (i = 0; i < cnt; i++)
+			prism2mgmt_p80211int2prism2int(wordbuf+i, uint32+i);
+		result = hfa384x_drvr_setconfig(hw, mib->parm1, wordbuf, mib->parm2);
+		}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_uint32offset
+*
+* Get/set a single element in an array of uint32 data.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Number of bytes of RID data.
+*       parm3    Element index.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_uint32offset(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+	UINT8   bytebuf[MIB_TMP_MAXLEN];
+	UINT16  *wordbuf = (UINT16*) bytebuf;
+	UINT16  cnt;
+
+	DBFENTER;
+
+	cnt = mib->parm2 / sizeof(UINT16);
+
+	result = hfa384x_drvr_getconfig(hw, mib->parm1, wordbuf, mib->parm2);
+	if (result == 0) {
+		if (isget) {
+			if (mib->parm3 < cnt)
+				prism2mgmt_prism2int2p80211int(wordbuf+mib->parm3, uint32);
+			else
+				*uint32 = 0;
+		} else {
+			if (mib->parm3 < cnt) {
+				prism2mgmt_p80211int2prism2int(wordbuf+mib->parm3, uint32);
+				result = hfa384x_drvr_setconfig(hw, mib->parm1, wordbuf, mib->parm2);
+			}
+		}
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_truth
+*
+* Get/set truth data.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_truth(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+	UINT8   bytebuf[MIB_TMP_MAXLEN];
+	UINT16  *wordbuf = (UINT16*) bytebuf;
+
+	DBFENTER;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
+		*uint32 = (*wordbuf) ?
+				P80211ENUM_truth_true : P80211ENUM_truth_false;
+	} else {
+		*wordbuf = ((*uint32) == P80211ENUM_truth_true) ? 1 : 0;
+		result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_flag
+*
+* Get/set a flag.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Bit to get/set.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_flag(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+	UINT8   bytebuf[MIB_TMP_MAXLEN];
+	UINT16  *wordbuf = (UINT16*) bytebuf;
+	UINT32  flags;
+
+	DBFENTER;
+
+	result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
+	if (result == 0) {
+		/* [MSM] Removed, getconfig16 returns the value in host order.
+		 * prism2mgmt_prism2int2p80211int(wordbuf, &flags);
+		 */
+		flags = *wordbuf;
+		if (isget) {
+			*uint32 = (flags & mib->parm2) ?
+				P80211ENUM_truth_true : P80211ENUM_truth_false;
+		} else {
+			if ((*uint32) == P80211ENUM_truth_true)
+				flags |= mib->parm2;
+			else
+				flags &= ~mib->parm2;
+			/* [MSM] Removed, setconfig16 expects host order.
+			 * prism2mgmt_p80211int2prism2int(wordbuf, &flags);
+			 */
+			*wordbuf = flags;
+			result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
+		}
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_appcfinfoflag
+*
+* Get/set a single flag in the APPCFINFO record.
+*
+* MIB record parameters:
+*       parm1    Bit to get/set.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_appcfinfoflag(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+	UINT8   bytebuf[MIB_TMP_MAXLEN];
+	UINT16  *wordbuf = (UINT16*) bytebuf;
+	UINT16  word;
+
+	DBFENTER;
+
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFAPPCFINFO,
+					bytebuf, HFA384x_RID_CNFAPPCFINFO_LEN);
+	if (result == 0) {
+		if (isget) {
+			*uint32 = (hfa384x2host_16(wordbuf[3]) & mib->parm1) ?
+				P80211ENUM_truth_true : P80211ENUM_truth_false;
+		} else {
+			word = hfa384x2host_16(wordbuf[3]);
+			word = ((*uint32) == P80211ENUM_truth_true) ?
+				(word | mib->parm1) : (word & ~mib->parm1);
+			wordbuf[3] = host2hfa384x_16(word);
+			result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFAPPCFINFO,
+					bytebuf, HFA384x_RID_CNFAPPCFINFO_LEN);
+		}
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_regulatorydomains
+*
+* Get regulatory domain data.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Number of bytes of RID data.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_regulatorydomains(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int            result;
+	UINT32         cnt;
+	p80211pstrd_t  *pstr = (p80211pstrd_t*) data;
+	UINT8          bytebuf[MIB_TMP_MAXLEN];
+	UINT16         *wordbuf = (UINT16*) bytebuf;
+
+	DBFENTER;
+
+	result = 0;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig(hw, mib->parm1, wordbuf, mib->parm2);
+		prism2mgmt_prism2int2p80211int(wordbuf, &cnt);
+		pstr->len = (UINT8) cnt;
+		memcpy(pstr->data, &wordbuf[1], pstr->len);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_wepdefaultkey
+*
+* Get/set WEP default keys.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Number of bytes of RID data.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_wepdefaultkey(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int            result;
+	p80211pstrd_t  *pstr = (p80211pstrd_t*) data;
+	UINT8          bytebuf[MIB_TMP_MAXLEN];
+	UINT16         len;
+
+	DBFENTER;
+
+	if (isget) {
+		result = 0;    /* Should never happen. */
+	} else {
+		len = (pstr->len > 5) ? HFA384x_RID_CNFWEP128DEFAULTKEY_LEN :
+					HFA384x_RID_CNFWEPDEFAULTKEY_LEN;
+		memset(bytebuf, 0, len);
+		prism2mgmt_pstr2bytearea(bytebuf, pstr);
+		result = hfa384x_drvr_setconfig(hw, mib->parm1, bytebuf, len);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_powermanagement
+*
+* Get/set 802.11 power management value.  Note that this is defined differently
+* by 802.11 and Prism2:
+*
+*       Meaning     802.11       Prism2
+*        active       1           false
+*      powersave      2           true
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_powermanagement(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+	UINT32  value;
+
+	DBFENTER;
+
+	if (isget) {
+		result = prism2mib_uint32(mib, isget, wlandev, hw, msg, &value);
+		*uint32 = (value == 0) ? 1 : 2;
+	} else {
+		value = ((*uint32) == 1) ? 0 : 1;
+		result = prism2mib_uint32(mib, isget, wlandev, hw, msg, &value);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_preamble
+*
+* Get/set Prism2 short preamble
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_preamble(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+	UINT8   bytebuf[MIB_TMP_MAXLEN];
+	UINT16  *wordbuf = (UINT16*) bytebuf;
+
+	DBFENTER;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
+		*uint32 = *wordbuf;
+	} else {
+		*wordbuf = *uint32;
+		result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_privacyinvoked
+*
+* Get/set the dot11PrivacyInvoked value.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Bit value for PrivacyInvoked flag.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_privacyinvoked(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+
+	DBFENTER;
+
+	if (wlandev->hostwep & HOSTWEP_DECRYPT) {
+		if (wlandev->hostwep & HOSTWEP_DECRYPT)
+			mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
+		if (wlandev->hostwep & HOSTWEP_ENCRYPT)
+			mib->parm2 |= HFA384x_WEPFLAGS_DISABLE_TXCRYPT;
+	}
+
+	result = prism2mib_flag(mib, isget, wlandev, hw, msg, data);
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_excludeunencrypted
+*
+* Get/set the dot11ExcludeUnencrypted value.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Bit value for ExcludeUnencrypted flag.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_excludeunencrypted(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+
+	DBFENTER;
+
+	result = prism2mib_flag(mib, isget, wlandev, hw, msg, data);
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_fragmentationthreshold
+*
+* Get/set the fragmentation threshold.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_fragmentationthreshold(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+
+	DBFENTER;
+
+	if (!isget)
+		if ((*uint32) % 2) {
+			WLAN_LOG_WARNING("Attempt to set odd number "
+					  "FragmentationThreshold\n");
+			msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+			return(0);
+		}
+
+	result = prism2mib_uint32(mib, isget, wlandev, hw, msg, data);
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_operationalrateset
+*
+* Get/set the operational rate set.
+*
+* MIB record parameters:
+*       parm1    Prism2 RID value.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_operationalrateset(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int            result;
+	p80211pstrd_t  *pstr = (p80211pstrd_t *) data;
+	UINT8          bytebuf[MIB_TMP_MAXLEN];
+	UINT16         *wordbuf = (UINT16*) bytebuf;
+
+	DBFENTER;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig16(hw, mib->parm1, wordbuf);
+		prism2mgmt_get_oprateset(wordbuf, pstr);
+	} else {
+		prism2mgmt_set_oprateset(wordbuf, pstr);
+		result = hfa384x_drvr_setconfig16(hw, mib->parm1, *wordbuf);
+		result = hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFSUPPRATES, *wordbuf);
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_groupaddress
+*
+* Get/set the dot11GroupAddressesTable.
+*
+* MIB record parameters:
+*       parm1    Not used.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_groupaddress(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int            result;
+	p80211pstrd_t  *pstr = (p80211pstrd_t *) data;
+	UINT8          bytebuf[MIB_TMP_MAXLEN];
+	UINT16         len;
+
+	DBFENTER;
+
+	/* TODO: fix this.  f/w doesn't support mcast filters */
+
+	if (isget) {
+		prism2mgmt_get_grpaddr(mib->did, pstr, hw);
+		return(0);
+	}
+
+	result = prism2mgmt_set_grpaddr(mib->did, bytebuf, pstr, hw);
+	if (result != 0) {
+		msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		return(result);
+	}
+
+	if (hw->dot11_grpcnt <= MAX_PRISM2_GRP_ADDR) {
+		len = hw->dot11_grpcnt * WLAN_ADDR_LEN;
+		memcpy(bytebuf, hw->dot11_grp_addr[0], len);
+		result = hfa384x_drvr_setconfig(hw, HFA384x_RID_GROUPADDR, bytebuf, len);
+
+		/*
+		** Turn off promiscuous mode if count is equal to MAX.  We may
+		** have been at a higher count in promiscuous mode and need to
+		** turn it off.
+		*/
+
+		/* but only if we're not already in promisc mode. :) */
+		if ((hw->dot11_grpcnt == MAX_PRISM2_GRP_ADDR) &&
+		    !( wlandev->netdev->flags & IFF_PROMISC)) {
+			result = hfa384x_drvr_setconfig16(hw,
+					     HFA384x_RID_PROMISCMODE, 0);
+		}
+	} else {
+
+		/*
+		** Clear group addresses in card and set to promiscuous mode.
+		*/
+
+		memset(bytebuf, 0, sizeof(bytebuf));
+		result = hfa384x_drvr_setconfig(hw, HFA384x_RID_GROUPADDR,
+						bytebuf, 0);
+		if (result == 0) {
+			result = hfa384x_drvr_setconfig16(hw,
+					HFA384x_RID_PROMISCMODE, 1);
+		}
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_fwid
+*
+* Get the firmware ID.
+*
+* MIB record parameters:
+*       parm1    Not used.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_fwid(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int             result;
+	p80211pstrd_t   *pstr = (p80211pstrd_t *) data;
+	hfa384x_FWID_t  fwid;
+
+	DBFENTER;
+
+	if (isget) {
+		result = hfa384x_drvr_getconfig(hw, HFA384x_RID_FWID,
+						&fwid, HFA384x_RID_FWID_LEN);
+		if (mib->did == DIDmib_p2_p2NIC_p2PrimaryFWID) {
+			fwid.primary[HFA384x_FWID_LEN - 1] = '\0';
+			pstr->len = strlen(fwid.primary);
+			memcpy(pstr->data, fwid.primary, pstr->len);
+		} else {
+			fwid.secondary[HFA384x_FWID_LEN - 1] = '\0';
+			pstr->len = strlen(fwid.secondary);
+			memcpy(pstr->data, fwid.secondary, pstr->len);
+		}
+	} else
+		result = 0;     /* Should never happen. */
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_authalg
+*
+* Get values from the AuhtenticationAlgorithmsTable.
+*
+* MIB record parameters:
+*       parm1    Table index (1-6).
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_authalg(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	UINT32  *uint32 = (UINT32*) data;
+
+	DBFENTER;
+
+	/* MSM: pkx supplied code that  code queries RID FD4D....but the f/w's
+         *  results are bogus. Therefore, we have to simulate the appropriate
+         *  results here in the driver based on our knowledge of existing MAC
+         *  features.  That's the whole point behind this ugly function.
+         */
+
+	if (isget) {
+		msg->resultcode.data = P80211ENUM_resultcode_success;
+		switch (mib->parm1) {
+			case 1: /* Open System */
+				*uint32 = P80211ENUM_authalg_opensystem;
+				break;
+			case 2: /* SharedKey */
+				*uint32 = P80211ENUM_authalg_sharedkey;
+				break;
+			default:
+				*uint32 = 0;
+				msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+				break;
+		}
+	}
+
+	DBFEXIT;
+	return(0);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_authalgenable
+*
+* Get/set the enable values from the AuhtenticationAlgorithmsTable.
+*
+* MIB record parameters:
+*       parm1    Table index (1-6).
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_authalgenable(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	int     result;
+	UINT32  *uint32 = (UINT32*) data;
+
+	int     index;
+	UINT16  cnf_auth;
+	UINT16	mask;
+
+	DBFENTER;
+
+	index = mib->parm1 - 1;
+
+	result = hfa384x_drvr_getconfig16( hw,
+			HFA384x_RID_CNFAUTHENTICATION, &cnf_auth);
+	WLAN_LOG_DEBUG(2,"cnfAuthentication0=%d, index=%d\n", cnf_auth, index);
+
+	if (isget) {
+		if ( index == 0 || index == 1 ) {
+			*uint32 = (cnf_auth & (1<<index)) ?
+				P80211ENUM_truth_true: P80211ENUM_truth_false;
+		} else {
+			*uint32 = P80211ENUM_truth_false;
+			msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		}
+	} else {
+		if ( index == 0 || index == 1 ) {
+			mask = 1 << index;
+			if (*uint32==P80211ENUM_truth_true ) {
+				cnf_auth |= mask;
+			} else {
+				cnf_auth &= ~mask;
+			}
+			result = hfa384x_drvr_setconfig16( hw,
+					HFA384x_RID_CNFAUTHENTICATION, cnf_auth);
+			WLAN_LOG_DEBUG(2,"cnfAuthentication:=%d\n", cnf_auth);
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,"Unable to set p2cnfAuthentication to %d\n", cnf_auth);
+				msg->resultcode.data = P80211ENUM_resultcode_implementation_failure;
+			}
+		} else {
+			msg->resultcode.data = P80211ENUM_resultcode_not_supported;
+		}
+	}
+
+	DBFEXIT;
+	return(result);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_priv
+*
+* Get/set values in the "priv" data structure.
+*
+* MIB record parameters:
+*       parm1    Not used.
+*       parm2    Not used.
+*       parm3    Not used.
+*
+* Arguments:
+*       mib      MIB record.
+*       isget    MIBGET/MIBSET flag.
+*       wlandev  wlan device structure.
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       msg      Message structure.
+*       data     Data buffer.
+*
+* Returns:
+*       0   - Success.
+*       ~0  - Error.
+*
+----------------------------------------------------------------*/
+
+static int prism2mib_priv(
+mibrec_t                     *mib,
+int                          isget,
+wlandevice_t                 *wlandev,
+hfa384x_t                    *hw,
+p80211msg_dot11req_mibset_t  *msg,
+void                         *data)
+{
+	UINT32            *uint32 = (UINT32*) data;
+	p80211pstrd_t     *pstr = (p80211pstrd_t*) data;
+	p80211macarray_t  *macarray = (p80211macarray_t *) data;
+
+	int  i, cnt, result, done;
+
+	prism2sta_authlist_t  old;
+
+	/*
+	** "test" is a lot longer than necessary but who cares?  ...as long as
+	** it is long enough!
+	*/
+
+	UINT8  test[sizeof(wlandev->rx) + sizeof(hw->tallies)];
+
+	DBFENTER;
+
+	switch (mib->did) {
+	case DIDmib_p2_p2Table_p2ReceivedFrameStatistics:
+
+		/*
+		** Note: The values in this record are changed by the
+		** interrupt handler and therefore cannot be guaranteed
+		** to be stable while they are being copied.  However,
+		** the interrupt handler will take priority over this
+		** code.  Hence, if the same values are copied twice,
+		** then we are ensured that the values have not been
+		** changed.  If they have, then just try again.  Don't
+		** try more than 10 times...if we still haven't got it,
+		** then the values we do have are probably good enough.
+		** This scheme for copying values is used in order to
+		** prevent having to block the interrupt handler while
+		** we copy the values.
+		*/
+
+		if (isget)
+			for (i = 0; i < 10; i++) {
+				memcpy(data, &wlandev->rx, sizeof(wlandev->rx));
+				memcpy(test, &wlandev->rx, sizeof(wlandev->rx));
+				if (memcmp(data, test, sizeof(wlandev->rx)) == 0) break;
+			}
+
+		break;
+
+	case DIDmib_p2_p2Table_p2CommunicationTallies:
+
+		/*
+		** Note: The values in this record are changed by the
+		** interrupt handler and therefore cannot be guaranteed
+		** to be stable while they are being copied.  See the
+		** note above about copying values.
+		*/
+
+		if (isget) {
+			result = hfa384x_drvr_commtallies(hw);
+
+			/* ?????? We need to wait a bit here for the */
+			/*   tallies to get updated. ?????? */
+			/* MSM: TODO: The right way to do this is to
+			 *      add a "commtallie" wait queue to the
+			 *      priv structure that gets run every time
+			 *      we receive a commtally info frame.
+			 *      This process would sleep on that
+			 *      queue and get awakened when the
+			 *      the requested info frame arrives.
+			 *      Don't have time to do and test this
+			 *      right now.
+			 */
+
+			/* Ugh, this is nasty. */
+			for (i = 0; i < 10; i++) {
+				memcpy(data,
+				       &hw->tallies,
+				       sizeof(hw->tallies));
+				memcpy(test,
+				       &hw->tallies,
+				       sizeof(hw->tallies));
+				if ( memcmp(data,
+					    test,
+					    sizeof(hw->tallies)) == 0)
+					break;
+			}
+		}
+
+		break;
+
+	case DIDmib_p2_p2Table_p2Authenticated:
+
+		if (isget) {
+			prism2mib_priv_authlist(hw, &old);
+
+			macarray->cnt = 0;
+			for (i = 0; i < old.cnt; i++) {
+				if (!old.assoc[i]) {
+					memcpy(macarray->data[macarray->cnt], old.addr[i], WLAN_ADDR_LEN);
+					macarray->cnt++;
+				}
+			}
+		}
+
+		break;
+
+	case DIDmib_p2_p2Table_p2Associated:
+
+		if (isget) {
+			prism2mib_priv_authlist(hw, &old);
+
+			macarray->cnt = 0;
+			for (i = 0; i < old.cnt; i++) {
+				if (old.assoc[i]) {
+					memcpy(macarray->data[macarray->cnt], old.addr[i], WLAN_ADDR_LEN);
+					macarray->cnt++;
+				}
+			}
+		}
+
+		break;
+
+	case DIDmib_p2_p2Table_p2PowerSaveUserCount:
+
+		if (isget)
+			*uint32 = hw->psusercount;
+
+		break;
+
+	case DIDmib_p2_p2Table_p2Comment:
+
+		if (isget) {
+			pstr->len = strlen(hw->comment);
+			memcpy(pstr->data, hw->comment, pstr->len);
+		} else {
+			cnt = pstr->len;
+			if (cnt < 0) cnt = 0;
+			if (cnt >= sizeof(hw->comment))
+				cnt = sizeof(hw->comment)-1;
+			memcpy(hw->comment, pstr->data, cnt);
+			pstr->data[cnt] = '\0';
+		}
+
+		break;
+
+	case DIDmib_p2_p2Table_p2AccessMode:
+
+		if (isget)
+			*uint32 = hw->accessmode;
+		else
+			prism2mib_priv_accessmode(hw, *uint32);
+
+		break;
+
+	case DIDmib_p2_p2Table_p2AccessAllow:
+
+		if (isget) {
+			macarray->cnt = hw->allow.cnt;
+			memcpy(macarray->data, hw->allow.addr,
+			       macarray->cnt*WLAN_ADDR_LEN);
+		} else {
+			prism2mib_priv_accessallow(hw, macarray);
+		}
+
+		break;
+
+	case DIDmib_p2_p2Table_p2AccessDeny:
+
+		if (isget) {
+			macarray->cnt = hw->deny.cnt;
+			memcpy(macarray->data, hw->deny.addr,
+			       macarray->cnt*WLAN_ADDR_LEN);
+		} else {
+			prism2mib_priv_accessdeny(hw, macarray);
+		}
+
+		break;
+
+	case DIDmib_p2_p2Table_p2ChannelInfoResults:
+
+		if (isget) {
+			done = atomic_read(&hw->channel_info.done);
+			if (done == 0) {
+				msg->resultcode.status = P80211ENUM_msgitem_status_no_value;
+				break;
+			}
+			if (done == 1) {
+				msg->resultcode.status = P80211ENUM_msgitem_status_incomplete_itemdata;
+				break;
+			}
+
+			for (i = 0; i < 14; i++, uint32 += 5) {
+				uint32[0] = i+1;
+				uint32[1] = hw->channel_info.results.result[i].anl;
+				uint32[2] = hw->channel_info.results.result[i].pnl;
+				uint32[3] = (hw->channel_info.results.result[i].active & HFA384x_CHINFORESULT_BSSACTIVE) ? 1 : 0;
+				uint32[4] = (hw->channel_info.results.result[i].active & HFA384x_CHINFORESULT_PCFACTIVE) ? 1 : 0;
+			}
+		}
+
+		break;
+
+	case DIDmib_dot11smt_dot11StationConfigTable_dot11DesiredBSSType:
+
+		if (isget)
+			*uint32 = hw->dot11_desired_bss_type;
+		else
+			hw->dot11_desired_bss_type = *uint32;
+
+		break;
+
+	case DIDmib_lnx_lnxConfigTable_lnxRSNAIE: {
+		hfa384x_WPAData_t wpa;
+		if (isget) {
+			hfa384x_drvr_getconfig( hw, HFA384x_RID_CNFWPADATA,
+						(UINT8 *) &wpa, sizeof(wpa));
+			pstr->len = hfa384x2host_16(wpa.datalen);
+			memcpy(pstr->data, wpa.data, pstr->len);
+		} else {
+			wpa.datalen = host2hfa384x_16(pstr->len);
+			memcpy(wpa.data, pstr->data, pstr->len);
+
+			result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFWPADATA,
+				(UINT8 *) &wpa, sizeof(wpa));
+		}
+		break;
+	}
+	default:
+		WLAN_LOG_ERROR("Unhandled DID 0x%08x\n", mib->did);
+	}
+
+	DBFEXIT;
+	return(0);
+}
+
+/*----------------------------------------------------------------
+* prism2mib_priv_authlist
+*
+* Get a copy of the list of authenticated stations.
+*
+* Arguments:
+*       priv     "priv" structure.
+*       list     List of authenticated stations.
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+static void prism2mib_priv_authlist(
+hfa384x_t             *hw,
+prism2sta_authlist_t  *list)
+{
+	prism2sta_authlist_t  test;
+	int                   i;
+
+	DBFENTER;
+
+	/*
+	** Note: The values in this record are changed by the interrupt
+	** handler and therefore cannot be guaranteed to be stable while
+	** they are being copied.  However, the interrupt handler will
+	** take priority over this code.  Hence, if the same values are
+	** copied twice, then we are ensured that the values have not
+	** been changed.  If they have, then just try again.  Don't try
+	** more than 10 times...the list of authenticated stations is
+	** unlikely to be changing frequently enough that we can't get
+	** a snapshot in 10 tries.  Don't try more than this so that we
+	** don't risk locking-up for long periods of time.  If we still
+	** haven't got the snapshot, then generate an error message and
+	** return an empty list (since this is the only valid list that
+	** we can guarentee).  This scheme for copying values is used in
+	** order to prevent having to block the interrupt handler while
+	** we copy the values.
+	*/
+
+	for (i = 0; i < 10; i++) {
+		memcpy(list, &hw->authlist, sizeof(prism2sta_authlist_t));
+		memcpy(&test, &hw->authlist, sizeof(prism2sta_authlist_t));
+		if (memcmp(list, &test, sizeof(prism2sta_authlist_t)) == 0)
+			break;
+	}
+
+	if (i >= 10) {
+		list->cnt = 0;
+		WLAN_LOG_ERROR("Could not obtain snapshot of authenticated stations.\n");
+		}
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2mib_priv_accessmode
+*
+* Set the Access Mode.
+*
+* Arguments:
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       mode     New access mode.
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+static void prism2mib_priv_accessmode(
+hfa384x_t         *hw,
+UINT32            mode)
+{
+	prism2sta_authlist_t  old;
+	int                   i, j, deauth;
+	UINT8                 *addr;
+
+	DBFENTER;
+
+	/*
+	** If the mode is not changing or it is changing to "All", then it's
+	** okay to go ahead without a lot of messing around.  Otherwise, the
+	** access mode is changing in a way that may leave some stations
+	** authenticated which should not be authenticated.  It will be
+	** necessary to de-authenticate these stations.
+	*/
+
+	if (mode == WLAN_ACCESS_ALL || mode == hw->accessmode) {
+		hw->accessmode = mode;
+		return;
+	}
+
+	/*
+	** Switch to the new access mode.  Once this is done, then the interrupt
+	** handler (which uses this value) will be prevented from authenticating
+	** ADDITIONAL stations which should not be authenticated.  Then get a
+	** copy of the current list of authenticated stations.
+	*/
+
+	hw->accessmode = mode;
+
+	prism2mib_priv_authlist(hw, &old);
+
+	/*
+	** Now go through the list of previously authenticated stations (some
+	** of which might de-authenticate themselves while we are processing it
+	** but that is okay).  Any station which no longer matches the access
+	** mode, must be de-authenticated.
+	*/
+
+	for (i = 0; i < old.cnt; i++) {
+		addr = old.addr[i];
+
+		if (mode == WLAN_ACCESS_NONE)
+			deauth = 1;
+		else {
+			if (mode == WLAN_ACCESS_ALLOW) {
+				for (j = 0; j < hw->allow.cnt; j++)
+					if (memcmp(addr, hw->allow.addr[j],
+							WLAN_ADDR_LEN) == 0)
+						break;
+				deauth = (j >= hw->allow.cnt);
+			} else {
+				for (j = 0; j < hw->deny.cnt; j++)
+					if (memcmp(addr, hw->deny.addr[j],
+							WLAN_ADDR_LEN) == 0)
+						break;
+				deauth = (j < hw->deny.cnt);
+			}
+		}
+
+		if (deauth) prism2mib_priv_deauthenticate(hw, addr);
+	}
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2mib_priv_accessallow
+*
+* Change the list of allowed MAC addresses.
+*
+* Arguments:
+*       priv      "priv" structure.
+*       hw        "hw" structure.
+*       macarray  New array of MAC addresses.
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+static void prism2mib_priv_accessallow(
+hfa384x_t         *hw,
+p80211macarray_t  *macarray)
+{
+	prism2sta_authlist_t  old;
+	int                   i, j;
+
+	DBFENTER;
+
+	/*
+	** Change the access list.  Note that the interrupt handler may be in
+	** the middle of using the access list!!!  Since the interrupt handler
+	** will	always have priority over this process and this is the only
+	** process that will modify the list, this problem can be handled as
+	** follows:
+	**
+	**    1. Set the "modify" flag.
+	**    2. Change the first copy of the list.
+	**    3. Clear the "modify" flag.
+	**    4. Change the backup copy of the list.
+	**
+	** The interrupt handler will check the "modify" flag.  If NOT set, then
+	** the first copy of the list is valid and may be used.  Otherwise, the
+	** first copy is being changed but the backup copy is valid and may be
+	** used.  Doing things this way prevents having to have the interrupt
+	** handler block while the list is being updated.
+	*/
+
+	hw->allow.modify = 1;
+
+	hw->allow.cnt = macarray->cnt;
+	memcpy(hw->allow.addr, macarray->data, macarray->cnt*WLAN_ADDR_LEN);
+
+	hw->allow.modify = 0;
+
+	hw->allow.cnt1 = macarray->cnt;
+	memcpy(hw->allow.addr1, macarray->data, macarray->cnt*WLAN_ADDR_LEN);
+
+	/*
+	** If the current access mode is "Allow", then changing the access
+	** list may leave some stations authenticated which should not be
+	** authenticated.  It will be necessary to de-authenticate these
+	** stations.  Otherwise, the list can be changed without a lot of fuss.
+	*/
+
+	if (hw->accessmode == WLAN_ACCESS_ALLOW) {
+
+		/*
+		** Go through the list of authenticated stations (some of
+		** which might de-authenticate themselves while we are
+		** processing it but that is okay).  Any station which is
+		** no longer in the list of allowed stations, must be
+		** de-authenticated.
+		*/
+
+		prism2mib_priv_authlist(hw, &old);
+
+		for (i = 0; i < old.cnt; i++) {
+			for (j = 0; j < hw->allow.cnt; j++)
+				if (memcmp(old.addr[i], hw->allow.addr[j],
+							WLAN_ADDR_LEN) == 0)
+					break;
+			if (j >= hw->allow.cnt)
+				prism2mib_priv_deauthenticate(hw, old.addr[i]);
+		}
+	}
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2mib_priv_accessdeny
+*
+* Change the list of denied MAC addresses.
+*
+* Arguments:
+*       priv      "priv" structure.
+*       hw        "hw" structure.
+*       macarray  New array of MAC addresses.
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+static void prism2mib_priv_accessdeny(
+hfa384x_t         *hw,
+p80211macarray_t  *macarray)
+{
+	prism2sta_authlist_t  old;
+	int                   i, j;
+
+	DBFENTER;
+
+	/*
+	** Change the access list.  Note that the interrupt handler may be in
+	** the middle of using the access list!!!  Since the interrupt handler
+	** will always have priority over this process and this is the only
+	** process that will modify the list, this problem can be handled as
+	** follows:
+	**
+	**    1. Set the "modify" flag.
+	**    2. Change the first copy of the list.
+	**    3. Clear the "modify" flag.
+	**    4. Change the backup copy of the list.
+	**
+	** The interrupt handler will check the "modify" flag.  If NOT set, then
+	** the first copy of the list is valid and may be used.  Otherwise, the
+	** first copy is being changed but the backup copy is valid and may be
+	** used.  Doing things this way prevents having to have the interrupt
+	** handler block while the list is being updated.
+	*/
+
+	hw->deny.modify = 1;
+
+	hw->deny.cnt = macarray->cnt;
+	memcpy(hw->deny.addr, macarray->data, macarray->cnt*WLAN_ADDR_LEN);
+
+	hw->deny.modify = 0;
+
+	hw->deny.cnt1 = macarray->cnt;
+	memcpy(hw->deny.addr1, macarray->data, macarray->cnt*WLAN_ADDR_LEN);
+
+	/*
+	** If the current access mode is "Deny", then changing the access
+	** list may leave some stations authenticated which should not be
+	** authenticated.  It will be necessary to de-authenticate these
+	** stations.  Otherwise, the list can be changed without a lot of fuss.
+	*/
+
+	if (hw->accessmode == WLAN_ACCESS_DENY) {
+
+		/*
+		** Go through the list of authenticated stations (some of
+		** which might de-authenticate themselves while we are
+		** processing it but that is okay).  Any station which is
+		** now in the list of denied stations, must be de-authenticated.
+		*/
+
+		prism2mib_priv_authlist(hw, &old);
+
+		for (i = 0; i < old.cnt; i++)
+			for (j = 0; j < hw->deny.cnt; j++)
+				if (memcmp(old.addr[i], hw->deny.addr[j],
+							 WLAN_ADDR_LEN) == 0) {
+					prism2mib_priv_deauthenticate(hw, old.addr[i]);
+					break;
+				}
+	}
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2mib_priv_deauthenticate
+*
+* De-authenticate a station.  This is done by sending a HandoverAddress
+* information frame to the firmware.  This should work, according to
+* Intersil.
+*
+* Arguments:
+*       priv     "priv" structure.
+*       hw       "hw" structure.
+*       addr     MAC address of station to be de-authenticated.
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+static void prism2mib_priv_deauthenticate(
+hfa384x_t         *hw,
+UINT8             *addr)
+{
+	DBFENTER;
+	hfa384x_drvr_handover(hw, addr);
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_pstr2bytestr
+*
+* Convert the pstr data in the WLAN message structure into an hfa384x
+* byte string format.
+*
+* Arguments:
+*	bytestr		hfa384x byte string data type
+*	pstr		wlan message data
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr)
+{
+	DBFENTER;
+
+	bytestr->len = host2hfa384x_16((UINT16)(pstr->len));
+	memcpy(bytestr->data, pstr->data, pstr->len);
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_pstr2bytearea
+*
+* Convert the pstr data in the WLAN message structure into an hfa384x
+* byte area format.
+*
+* Arguments:
+*	bytearea	hfa384x byte area data type
+*	pstr		wlan message data
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+void prism2mgmt_pstr2bytearea(UINT8 *bytearea, p80211pstrd_t *pstr)
+{
+	DBFENTER;
+
+	memcpy(bytearea, pstr->data, pstr->len);
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_bytestr2pstr
+*
+* Convert the data in an hfa384x byte string format into a
+* pstr in the WLAN message.
+*
+* Arguments:
+*	bytestr		hfa384x byte string data type
+*	msg		wlan message
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr)
+{
+	DBFENTER;
+
+	pstr->len = (UINT8)(hfa384x2host_16((UINT16)(bytestr->len)));
+	memcpy(pstr->data, bytestr->data, pstr->len);
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_bytearea2pstr
+*
+* Convert the data in an hfa384x byte area format into a pstr
+* in the WLAN message.
+*
+* Arguments:
+*	bytearea	hfa384x byte area data type
+*	msg		wlan message
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+void prism2mgmt_bytearea2pstr(UINT8 *bytearea, p80211pstrd_t *pstr, int len)
+{
+	DBFENTER;
+
+	pstr->len = (UINT8)len;
+	memcpy(pstr->data, bytearea, len);
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_prism2int2p80211int
+*
+* Convert an hfa384x integer into a wlan integer
+*
+* Arguments:
+*	prism2enum	pointer to hfa384x integer
+*	wlanenum	pointer to p80211 integer
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+void prism2mgmt_prism2int2p80211int(UINT16 *prism2int, UINT32 *wlanint)
+{
+	DBFENTER;
+
+	*wlanint = (UINT32)hfa384x2host_16(*prism2int);
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_p80211int2prism2int
+*
+* Convert a wlan integer into an hfa384x integer
+*
+* Arguments:
+*	prism2enum	pointer to hfa384x integer
+*	wlanenum	pointer to p80211 integer
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+
+void prism2mgmt_p80211int2prism2int(UINT16 *prism2int, UINT32 *wlanint)
+{
+	DBFENTER;
+
+	*prism2int = host2hfa384x_16((UINT16)(*wlanint));
+	DBFEXIT;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_prism2enum2p80211enum
+*
+* Convert the hfa384x enumerated int into a p80211 enumerated int
+*
+* Arguments:
+*	prism2enum	pointer to hfa384x integer
+*	wlanenum	pointer to p80211 integer
+*	rid		hfa384x record id
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+void prism2mgmt_prism2enum2p80211enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid)
+{
+	DBFENTER;
+
+	/* At the moment, the need for this functionality hasn't
+	presented itself. All the wlan enumerated values are
+	a 1-to-1 match against the Prism2 enumerated values*/
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_p80211enum2prism2enum
+*
+* Convert the p80211 enumerated int into an hfa384x enumerated int
+*
+* Arguments:
+*	prism2enum	pointer to hfa384x integer
+*	wlanenum	pointer to p80211 integer
+*	rid		hfa384x record id
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+void prism2mgmt_p80211enum2prism2enum(UINT16 *prism2enum, UINT32 *wlanenum, UINT16 rid)
+{
+	DBFENTER;
+
+	/* At the moment, the need for this functionality hasn't
+	presented itself. All the wlan enumerated values are
+	a 1-to-1 match against the Prism2 enumerated values*/
+	DBFEXIT;
+	return;
+}
+
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_get_oprateset
+*
+* Convert the hfa384x bit area into a wlan octet string.
+*
+* Arguments:
+*	rate		Prism2 bit area
+*	pstr		wlan octet string
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+void prism2mgmt_get_oprateset(UINT16 *rate, p80211pstrd_t *pstr)
+{
+	UINT8	len;
+	UINT8	*datarate;
+
+	DBFENTER;
+
+	len = 0;
+	datarate = pstr->data;
+
+ 	/* 1 Mbps */
+	if ( BIT0 & (*rate) ) {
+		len += (UINT8)1;
+		*datarate = (UINT8)2;
+		datarate++;
+	}
+
+ 	/* 2 Mbps */
+	if ( BIT1 & (*rate) ) {
+		len += (UINT8)1;
+		*datarate = (UINT8)4;
+		datarate++;
+	}
+
+ 	/* 5.5 Mbps */
+	if ( BIT2 & (*rate) ) {
+		len += (UINT8)1;
+		*datarate = (UINT8)11;
+		datarate++;
+	}
+
+ 	/* 11 Mbps */
+	if ( BIT3 & (*rate) ) {
+		len += (UINT8)1;
+		*datarate = (UINT8)22;
+		datarate++;
+	}
+
+	pstr->len = len;
+
+	DBFEXIT;
+	return;
+}
+
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_set_oprateset
+*
+* Convert the wlan octet string into an hfa384x bit area.
+*
+* Arguments:
+*	rate		Prism2 bit area
+*	pstr		wlan octet string
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+void prism2mgmt_set_oprateset(UINT16 *rate, p80211pstrd_t *pstr)
+{
+	UINT8	*datarate;
+	int	i;
+
+	DBFENTER;
+
+	*rate = 0;
+
+	datarate = pstr->data;
+
+	for ( i=0; i < pstr->len; i++, datarate++ ) {
+		switch (*datarate) {
+		case 2: /* 1 Mbps */
+			*rate |= BIT0;
+			break;
+		case 4: /* 2 Mbps */
+			*rate |= BIT1;
+			break;
+		case 11: /* 5.5 Mbps */
+			*rate |= BIT2;
+			break;
+		case 22: /* 11 Mbps */
+			*rate |= BIT3;
+			break;
+		default:
+			WLAN_LOG_DEBUG(1, "Unrecoginzed Rate of %d\n",
+				*datarate);
+			break;
+		}
+	}
+
+	DBFEXIT;
+	return;
+}
+
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_get_grpaddr
+*
+* Retrieves a particular group address from the list of
+* group addresses.
+*
+* Arguments:
+*	did		mibitem did
+*	pstr		wlan octet string
+*	priv		prism2 driver private data structure
+*
+* Returns:
+*	Nothing
+*
+----------------------------------------------------------------*/
+void prism2mgmt_get_grpaddr(UINT32 did, p80211pstrd_t *pstr,
+	hfa384x_t *hw )
+{
+	int	index;
+
+	DBFENTER;
+
+	index = prism2mgmt_get_grpaddr_index(did);
+
+	if ( index >= 0 ) {
+		pstr->len = WLAN_ADDR_LEN;
+		memcpy(pstr->data, hw->dot11_grp_addr[index],
+			WLAN_ADDR_LEN);
+	}
+
+	DBFEXIT;
+	return;
+}
+
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_set_grpaddr
+*
+* Convert the wlan octet string into an hfa384x bit area.
+*
+* Arguments:
+*	did		mibitem did
+*	buf
+*	groups
+*
+* Returns:
+*	0	Success
+*	!0	Error
+*
+----------------------------------------------------------------*/
+int prism2mgmt_set_grpaddr(UINT32 did, UINT8 *prism2buf,
+	p80211pstrd_t *pstr, hfa384x_t *hw )
+{
+	UINT8	no_addr[WLAN_ADDR_LEN];
+	int	index;
+
+	DBFENTER;
+
+	memset(no_addr, 0, WLAN_ADDR_LEN);
+	if (memcmp(no_addr, pstr->data, WLAN_ADDR_LEN) != 0) {
+
+		/*
+		** The address is NOT 0 so we are "adding" an address to the
+		** group address list.  Check to make sure we aren't trying
+		** to add more than the maximum allowed number of group
+		** addresses in the list.  The new address is added to the
+		** end of the list regardless of the DID used to add the
+		** address.
+		*/
+
+		if (hw->dot11_grpcnt >= MAX_GRP_ADDR) return(-1);
+
+		memcpy(hw->dot11_grp_addr[hw->dot11_grpcnt], pstr->data,
+								 WLAN_ADDR_LEN);
+		hw->dot11_grpcnt += 1;
+	} else {
+
+		/*
+		** The address is 0.  Interpret this as "deleting" an address
+		** from the group address list.  Get the address index from
+		** the DID.  If this is within the range of used addresses,
+		** then delete the specified address by shifting all following
+		** addresses down.  Then clear the last address (which should
+		** now be unused).  If the address index is NOT within the
+		** range of used addresses, then just ignore the address.
+		*/
+
+		index = prism2mgmt_get_grpaddr_index(did);
+		if (index >= 0 && index < hw->dot11_grpcnt) {
+			hw->dot11_grpcnt -= 1;
+			memmove(hw->dot11_grp_addr[index],
+				hw->dot11_grp_addr[index + 1],
+				((hw->dot11_grpcnt)-index) * WLAN_ADDR_LEN);
+			memset(hw->dot11_grp_addr[hw->dot11_grpcnt], 0,
+								 WLAN_ADDR_LEN);
+		}
+	}
+
+	DBFEXIT;
+	return(0);
+}
+
+
+/*----------------------------------------------------------------
+* prism2mgmt_get_grpaddr_index
+*
+* Gets the index in the group address list based on the did.
+*
+* Arguments:
+*	did		mibitem did
+*
+* Returns:
+*	>= 0	If valid did
+*	< 0	If not valid did
+*
+----------------------------------------------------------------*/
+int prism2mgmt_get_grpaddr_index( UINT32 did )
+{
+	int	index;
+
+	DBFENTER;
+
+	index = -1;
+
+	switch (did) {
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address1:
+		index = 0;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address2:
+		index = 1;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address3:
+		index = 2;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address4:
+		index = 3;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address5:
+		index = 4;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address6:
+		index = 5;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address7:
+		index = 6;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address8:
+		index = 7;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address9:
+		index = 8;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address10:
+		index = 9;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address11:
+		index = 10;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address12:
+		index = 11;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address13:
+		index = 12;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address14:
+		index = 13;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address15:
+		index = 14;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address16:
+		index = 15;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address17:
+		index = 16;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address18:
+		index = 17;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address19:
+		index = 18;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address20:
+		index = 19;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address21:
+		index = 20;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address22:
+		index = 21;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address23:
+		index = 22;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address24:
+		index = 23;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address25:
+		index = 24;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address26:
+		index = 25;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address27:
+		index = 26;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address28:
+		index = 27;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address29:
+		index = 28;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address30:
+		index = 29;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address31:
+		index = 30;
+		break;
+	case DIDmib_dot11mac_dot11GroupAddressesTable_dot11Address32:
+		index = 31;
+		break;
+	}
+
+	DBFEXIT;
+	return index;
+}
diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c
new file mode 100644
index 00000000000..18aa15f9e41
--- /dev/null
+++ b/drivers/staging/wlan-ng/prism2sta.c
@@ -0,0 +1,2502 @@
+/* src/prism2/driver/prism2sta.c
+*
+* Implements the station functionality for prism2
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*
+* This file implements the module and linux pcmcia routines for the
+* prism2 driver.
+*
+* --------------------------------------------------------------------
+*/
+
+/*================================================================*/
+/* System Includes */
+#define WLAN_DBVAR	prism2_debug
+
+#include "version.h"
+
+
+#include <linux/version.h>
+
+#include <linux/module.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,25))
+#include <linux/moduleparam.h>
+#endif
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/wireless.h>
+#include <linux/netdevice.h>
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+#include <linux/tqueue.h>
+#else
+#include <linux/workqueue.h>
+#endif
+
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+#include <linux/if_arp.h>
+
+#if (WLAN_HOSTIF == WLAN_PCMCIA)
+#include <pcmcia/version.h>
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/cistpl.h>
+#include <pcmcia/ds.h>
+#include <pcmcia/cisreg.h>
+#endif
+
+#include "wlan_compat.h"
+
+#if ((WLAN_HOSTIF == WLAN_PLX) || (WLAN_HOSTIF == WLAN_PCI))
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#endif
+
+/*================================================================*/
+/* Project Includes */
+
+#include "p80211types.h"
+#include "p80211hdr.h"
+#include "p80211mgmt.h"
+#include "p80211conv.h"
+#include "p80211msg.h"
+#include "p80211netdev.h"
+#include "p80211req.h"
+#include "p80211metadef.h"
+#include "p80211metastruct.h"
+#include "hfa384x.h"
+#include "prism2mgmt.h"
+
+/*================================================================*/
+/* Local Constants */
+
+/*================================================================*/
+/* Local Macros */
+
+/*================================================================*/
+/* Local Types */
+
+/*================================================================*/
+/* Local Static Definitions */
+
+#if (WLAN_HOSTIF == WLAN_PCMCIA)
+#define DRIVER_SUFFIX	"_cs"
+#elif (WLAN_HOSTIF == WLAN_PLX)
+#define DRIVER_SUFFIX	"_plx"
+typedef char* dev_info_t;
+#elif (WLAN_HOSTIF == WLAN_PCI)
+#define DRIVER_SUFFIX	"_pci"
+typedef char* dev_info_t;
+#elif (WLAN_HOSTIF == WLAN_USB)
+#define DRIVER_SUFFIX	"_usb"
+typedef char* dev_info_t;
+#else
+#error "HOSTIF unsupported or undefined!"
+#endif
+
+static char		*version = "prism2" DRIVER_SUFFIX ".o: " WLAN_RELEASE;
+static dev_info_t	dev_info = "prism2" DRIVER_SUFFIX;
+
+#if (WLAN_HOSTIF == WLAN_PLX || WLAN_HOSTIF == WLAN_PCI)
+#ifdef CONFIG_PM
+static int prism2sta_suspend_pci(struct pci_dev *pdev, pm_message_t state);
+static int prism2sta_resume_pci(struct pci_dev *pdev);
+#endif
+#endif
+
+#if (WLAN_HOSTIF == WLAN_PCI)
+
+#endif /* WLAN_PCI */
+
+static wlandevice_t *create_wlan(void);
+
+/*----------------------------------------------------------------*/
+/* --Module Parameters */
+
+int      prism2_reset_holdtime=30;	/* Reset hold time in ms */
+int	 prism2_reset_settletime=100;	/* Reset settle time in ms */
+
+#if (WLAN_HOSTIF == WLAN_USB)
+static int	prism2_doreset=0;		/* Do a reset at init? */
+#else
+static int      prism2_doreset=1;		/* Do a reset at init? */
+int             prism2_bap_timeout=1000;        /* BAP timeout */
+int		prism2_irq_evread_max=20;	/* Maximum number of
+						 * ev_reads (loops)
+						 * in irq handler
+						 */
+#endif
+
+#ifdef WLAN_INCLUDE_DEBUG
+int prism2_debug=0;
+module_param( prism2_debug, int, 0644);
+MODULE_PARM_DESC(prism2_debug, "prism2 debugging");
+#endif
+
+module_param( prism2_doreset, int, 0644);
+MODULE_PARM_DESC(prism2_doreset, "Issue a reset on initialization");
+
+module_param( prism2_reset_holdtime, int, 0644);
+MODULE_PARM_DESC( prism2_reset_holdtime, "reset hold time in ms");
+module_param( prism2_reset_settletime, int, 0644);
+MODULE_PARM_DESC( prism2_reset_settletime, "reset settle time in ms");
+
+#if (WLAN_HOSTIF != WLAN_USB)
+module_param( prism2_bap_timeout, int, 0644);
+MODULE_PARM_DESC(prism2_bap_timeout, "BufferAccessPath Timeout in 10*n us");
+module_param( prism2_irq_evread_max, int, 0644);
+MODULE_PARM_DESC( prism2_irq_evread_max, "Maximim number of event reads in interrupt handler");
+#endif
+
+MODULE_LICENSE("Dual MPL/GPL");
+
+/*================================================================*/
+/* Local Function Declarations */
+
+static int	prism2sta_open(wlandevice_t *wlandev);
+static int	prism2sta_close(wlandevice_t *wlandev);
+static void	prism2sta_reset(wlandevice_t *wlandev );
+static int      prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb, p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep);
+static int	prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg);
+static int	prism2sta_getcardinfo(wlandevice_t *wlandev);
+static int	prism2sta_globalsetup(wlandevice_t *wlandev);
+static int      prism2sta_setmulticast(wlandevice_t *wlandev,
+				       netdevice_t *dev);
+
+static void	prism2sta_inf_handover(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_tallies(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void     prism2sta_inf_hostscanresults(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_scanresults(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_chinforesults(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_linkstatus(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_assocstatus(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_authreq(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_authreq_defer(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+static void	prism2sta_inf_psusercnt(
+			wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+
+#ifdef CONFIG_PROC_FS
+static int
+prism2sta_proc_read(
+	char	*page,
+	char	**start,
+	off_t	offset,
+	int	count,
+	int	*eof,
+	void	*data);
+#endif
+
+/*================================================================*/
+/* Function Definitions */
+
+/*----------------------------------------------------------------
+* dmpmem
+*
+* Debug utility function to dump memory to the kernel debug log.
+*
+* Arguments:
+*	buf	ptr data we want dumped
+*	len	length of data
+*
+* Returns:
+*	nothing
+* Side effects:
+*
+* Call context:
+*	process thread
+*	interrupt
+----------------------------------------------------------------*/
+inline void dmpmem(void *buf, int n)
+{
+	int c;
+	for ( c= 0; c < n; c++) {
+		if ( (c % 16) == 0 ) printk(KERN_DEBUG"dmp[%d]: ", c);
+		printk("%02x ", ((UINT8*)buf)[c]);
+		if ( (c % 16) == 15 ) printk("\n");
+	}
+	if ( (c % 16) != 0 ) printk("\n");
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_open
+*
+* WLAN device open method.  Called from p80211netdev when kernel
+* device open (start) method is called in response to the
+* SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
+* from clear to set.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	0	success
+*	>0	f/w reported error
+*	<0	driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int prism2sta_open(wlandevice_t *wlandev)
+{
+	DBFENTER;
+
+#ifdef ANCIENT_MODULE_CODE
+	MOD_INC_USE_COUNT;
+#endif
+
+	/* We don't currently have to do anything else.
+	 * The setup of the MAC should be subsequently completed via
+	 * the mlme commands.
+	 * Higher layers know we're ready from dev->start==1 and
+	 * dev->tbusy==0.  Our rx path knows to pass up received/
+	 * frames because of dev->flags&IFF_UP is true.
+	 */
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_close
+*
+* WLAN device close method.  Called from p80211netdev when kernel
+* device close method is called in response to the
+* SIOCSIIFFLAGS ioctl changing the flags bit IFF_UP
+* from set to clear.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	0	success
+*	>0	f/w reported error
+*	<0	driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int prism2sta_close(wlandevice_t *wlandev)
+{
+	DBFENTER;
+
+#ifdef ANCIENT_MODULE_CODE
+	MOD_DEC_USE_COUNT;
+#endif
+
+	/* We don't currently have to do anything else.
+	 * Higher layers know we're not ready from dev->start==0 and
+	 * dev->tbusy==1.  Our rx path knows to not pass up received
+	 * frames because of dev->flags&IFF_UP is false.
+	 */
+
+	DBFEXIT;
+	return 0;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_reset
+*
+* Not currently implented.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	none
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static void prism2sta_reset(wlandevice_t *wlandev )
+{
+	DBFENTER;
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_txframe
+*
+* Takes a frame from p80211 and queues it for transmission.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	pb		packet buffer struct.  Contains an 802.11
+*			data frame.
+*       p80211_hdr      points to the 802.11 header for the packet.
+* Returns:
+*	0		Success and more buffs available
+*	1		Success but no more buffs
+*	2		Allocation failure
+*	4		Buffer full or queue busy
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int prism2sta_txframe(wlandevice_t *wlandev, struct sk_buff *skb,
+			     p80211_hdr_t *p80211_hdr,
+			     p80211_metawep_t *p80211_wep)
+{
+	hfa384x_t		*hw = (hfa384x_t *)wlandev->priv;
+	int			result;
+	DBFENTER;
+
+	/* If necessary, set the 802.11 WEP bit */
+	if ((wlandev->hostwep & (HOSTWEP_PRIVACYINVOKED | HOSTWEP_ENCRYPT)) == HOSTWEP_PRIVACYINVOKED) {
+		p80211_hdr->a3.fc |= host2ieee16(WLAN_SET_FC_ISWEP(1));
+	}
+
+	result = hfa384x_drvr_txframe(hw, skb, p80211_hdr, p80211_wep);
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_mlmerequest
+*
+* wlan command message handler.  All we do here is pass the message
+* over to the prism2sta_mgmt_handler.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msg		wlan command message
+* Returns:
+*	0		success
+*	<0		successful acceptance of message, but we're
+*			waiting for an async process to finish before
+*			we're done with the msg.  When the asynch
+*			process is done, we'll call the p80211
+*			function p80211req_confirm() .
+*	>0		An error occurred while we were handling
+*			the message.
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int prism2sta_mlmerequest(wlandevice_t *wlandev, p80211msg_t *msg)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+
+	int result = 0;
+	DBFENTER;
+
+	switch( msg->msgcode )
+	{
+	case DIDmsg_dot11req_mibget :
+		WLAN_LOG_DEBUG(2,"Received mibget request\n");
+		result = prism2mgmt_mibset_mibget(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_mibset :
+		WLAN_LOG_DEBUG(2,"Received mibset request\n");
+		result = prism2mgmt_mibset_mibget(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_powermgmt :
+		WLAN_LOG_DEBUG(2,"Received powermgmt request\n");
+		result = prism2mgmt_powermgmt(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_scan :
+		WLAN_LOG_DEBUG(2,"Received scan request\n");
+		result = prism2mgmt_scan(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_scan_results :
+		WLAN_LOG_DEBUG(2,"Received scan_results request\n");
+		result = prism2mgmt_scan_results(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_join :
+		WLAN_LOG_DEBUG(2,"Received join request\n");
+		result = prism2mgmt_join(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_authenticate :
+		WLAN_LOG_DEBUG(2,"Received authenticate request\n");
+		result = prism2mgmt_authenticate(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_deauthenticate :
+		WLAN_LOG_DEBUG(2,"Received mlme deauthenticate request\n");
+		result = prism2mgmt_deauthenticate(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_associate :
+		WLAN_LOG_DEBUG(2,"Received mlme associate request\n");
+		result = prism2mgmt_associate(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_reassociate :
+		WLAN_LOG_DEBUG(2,"Received mlme reassociate request\n");
+		result = prism2mgmt_reassociate(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_disassociate :
+		WLAN_LOG_DEBUG(2,"Received mlme disassociate request\n");
+		result = prism2mgmt_disassociate(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_reset :
+		WLAN_LOG_DEBUG(2,"Received mlme reset request\n");
+		result = prism2mgmt_reset(wlandev, msg);
+		break;
+	case DIDmsg_dot11req_start :
+		WLAN_LOG_DEBUG(2,"Received mlme start request\n");
+		result = prism2mgmt_start(wlandev, msg);
+		break;
+	/*
+	 * Prism2 specific messages
+	 */
+	case DIDmsg_p2req_join :
+		WLAN_LOG_DEBUG(2,"Received p2 join request\n");
+		result = prism2mgmt_p2_join(wlandev, msg);
+		break;
+       	case DIDmsg_p2req_readpda :
+		WLAN_LOG_DEBUG(2,"Received mlme readpda request\n");
+		result = prism2mgmt_readpda(wlandev, msg);
+		break;
+	case DIDmsg_p2req_readcis :
+		WLAN_LOG_DEBUG(2,"Received mlme readcis request\n");
+		result = prism2mgmt_readcis(wlandev, msg);
+		break;
+	case DIDmsg_p2req_auxport_state :
+		WLAN_LOG_DEBUG(2,"Received mlme auxport_state request\n");
+		result = prism2mgmt_auxport_state(wlandev, msg);
+		break;
+	case DIDmsg_p2req_auxport_read :
+		WLAN_LOG_DEBUG(2,"Received mlme auxport_read request\n");
+		result = prism2mgmt_auxport_read(wlandev, msg);
+		break;
+	case DIDmsg_p2req_auxport_write :
+		WLAN_LOG_DEBUG(2,"Received mlme auxport_write request\n");
+		result = prism2mgmt_auxport_write(wlandev, msg);
+		break;
+	case DIDmsg_p2req_low_level :
+		WLAN_LOG_DEBUG(2,"Received mlme low_level request\n");
+		result = prism2mgmt_low_level(wlandev, msg);
+		break;
+        case DIDmsg_p2req_test_command :
+                WLAN_LOG_DEBUG(2,"Received mlme test_command request\n");
+                result = prism2mgmt_test_command(wlandev, msg);
+                break;
+        case DIDmsg_p2req_mmi_read :
+                WLAN_LOG_DEBUG(2,"Received mlme mmi_read request\n");
+                result = prism2mgmt_mmi_read(wlandev, msg);
+                break;
+        case DIDmsg_p2req_mmi_write :
+                WLAN_LOG_DEBUG(2,"Received mlme mmi_write request\n");
+                result = prism2mgmt_mmi_write(wlandev, msg);
+                break;
+	case DIDmsg_p2req_ramdl_state :
+		WLAN_LOG_DEBUG(2,"Received mlme ramdl_state request\n");
+		result = prism2mgmt_ramdl_state(wlandev, msg);
+		break;
+	case DIDmsg_p2req_ramdl_write :
+		WLAN_LOG_DEBUG(2,"Received mlme ramdl_write request\n");
+		result = prism2mgmt_ramdl_write(wlandev, msg);
+		break;
+	case DIDmsg_p2req_flashdl_state :
+		WLAN_LOG_DEBUG(2,"Received mlme flashdl_state request\n");
+		result = prism2mgmt_flashdl_state(wlandev, msg);
+		break;
+	case DIDmsg_p2req_flashdl_write :
+		WLAN_LOG_DEBUG(2,"Received mlme flashdl_write request\n");
+		result = prism2mgmt_flashdl_write(wlandev, msg);
+		break;
+	case DIDmsg_p2req_dump_state :
+		WLAN_LOG_DEBUG(2,"Received mlme dump_state request\n");
+		result = prism2mgmt_dump_state(wlandev, msg);
+		break;
+	case DIDmsg_p2req_channel_info :
+		WLAN_LOG_DEBUG(2,"Received mlme channel_info request\n");
+		result = prism2mgmt_channel_info(wlandev, msg);
+		break;
+	case DIDmsg_p2req_channel_info_results :
+		WLAN_LOG_DEBUG(2,"Received mlme channel_info_results request\n");
+		result = prism2mgmt_channel_info_results(wlandev, msg);
+		break;
+	/*
+	 * Linux specific messages
+	 */
+	case DIDmsg_lnxreq_hostwep :
+		break;   // ignore me.
+        case DIDmsg_lnxreq_ifstate :
+		{
+		p80211msg_lnxreq_ifstate_t	*ifstatemsg;
+                WLAN_LOG_DEBUG(2,"Received mlme ifstate request\n");
+		ifstatemsg = (p80211msg_lnxreq_ifstate_t*)msg;
+                result = prism2sta_ifstate(wlandev, ifstatemsg->ifstate.data);
+		ifstatemsg->resultcode.status =
+			P80211ENUM_msgitem_status_data_ok;
+		ifstatemsg->resultcode.data = result;
+		result = 0;
+		}
+                break;
+        case DIDmsg_lnxreq_wlansniff :
+                WLAN_LOG_DEBUG(2,"Received mlme wlansniff request\n");
+                result = prism2mgmt_wlansniff(wlandev, msg);
+                break;
+	case DIDmsg_lnxreq_autojoin :
+		WLAN_LOG_DEBUG(2,"Received mlme autojoin request\n");
+		result = prism2mgmt_autojoin(wlandev, msg);
+		break;
+	case DIDmsg_p2req_enable :
+		WLAN_LOG_DEBUG(2,"Received mlme enable request\n");
+		result = prism2mgmt_enable(wlandev, msg);
+		break;
+	case DIDmsg_lnxreq_commsquality: {
+		p80211msg_lnxreq_commsquality_t *qualmsg;
+
+		WLAN_LOG_DEBUG(2,"Received commsquality request\n");
+
+		if (hw->ap)
+			break;
+
+		qualmsg = (p80211msg_lnxreq_commsquality_t*) msg;
+
+		qualmsg->link.status = P80211ENUM_msgitem_status_data_ok;
+		qualmsg->level.status = P80211ENUM_msgitem_status_data_ok;
+		qualmsg->noise.status = P80211ENUM_msgitem_status_data_ok;
+
+
+		qualmsg->link.data = hfa384x2host_16(hw->qual.CQ_currBSS);
+		qualmsg->level.data = hfa384x2host_16(hw->qual.ASL_currBSS);
+		qualmsg->noise.data = hfa384x2host_16(hw->qual.ANL_currFC);
+
+		break;
+	}
+	default:
+		WLAN_LOG_WARNING("Unknown mgmt request message 0x%08x", msg->msgcode);
+		break;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_ifstate
+*
+* Interface state.  This is the primary WLAN interface enable/disable
+* handler.  Following the driver/load/deviceprobe sequence, this
+* function must be called with a state of "enable" before any other
+* commands will be accepted.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	msgp		ptr to msg buffer
+*
+* Returns:
+* 	A p80211 message resultcode value.
+*
+* Side effects:
+*
+* Call context:
+*	process thread  (usually)
+*	interrupt
+----------------------------------------------------------------*/
+UINT32 prism2sta_ifstate(wlandevice_t *wlandev, UINT32 ifstate)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	UINT32 			result;
+	DBFENTER;
+
+	result = P80211ENUM_resultcode_implementation_failure;
+
+	WLAN_LOG_DEBUG(2, "Current MSD state(%d), requesting(%d)\n",
+	                  wlandev->msdstate, ifstate);
+	switch (ifstate)
+	{
+	case P80211ENUM_ifstate_fwload:
+		switch (wlandev->msdstate) {
+		case WLAN_MSD_HWPRESENT:
+			wlandev->msdstate = WLAN_MSD_FWLOAD_PENDING;
+			/*
+			 * Initialize the device+driver sufficiently
+			 * for firmware loading.
+			 */
+#if (WLAN_HOSTIF != WLAN_USB)
+			result=hfa384x_cmd_initialize(hw);
+#else
+			if ((result=hfa384x_drvr_start(hw))) {
+				WLAN_LOG_ERROR(
+					"hfa384x_drvr_start() failed,"
+					"result=%d\n", (int)result);
+				result =
+				P80211ENUM_resultcode_implementation_failure;
+				wlandev->msdstate = WLAN_MSD_HWPRESENT;
+				break;
+			}
+#endif
+			wlandev->msdstate = WLAN_MSD_FWLOAD;
+			result = P80211ENUM_resultcode_success;
+			break;
+		case WLAN_MSD_FWLOAD:
+			hfa384x_cmd_initialize(hw);
+			result = P80211ENUM_resultcode_success;
+			break;
+		case WLAN_MSD_RUNNING:
+			WLAN_LOG_WARNING(
+				"Cannot enter fwload state from enable state,"
+				"you must disable first.\n");
+			result = P80211ENUM_resultcode_invalid_parameters;
+			break;
+		case WLAN_MSD_HWFAIL:
+		default:
+			/* probe() had a problem or the msdstate contains
+			 * an unrecognized value, there's nothing we can do.
+			 */
+			result = P80211ENUM_resultcode_implementation_failure;
+			break;
+		}
+		break;
+	case P80211ENUM_ifstate_enable:
+		switch (wlandev->msdstate) {
+		case WLAN_MSD_HWPRESENT:
+		case WLAN_MSD_FWLOAD:
+			wlandev->msdstate = WLAN_MSD_RUNNING_PENDING;
+			/* Initialize the device+driver for full
+			 * operation. Note that this might me an FWLOAD to
+			 * to RUNNING transition so we must not do a chip
+			 * or board level reset.  Note that on failure,
+			 * the MSD state is set to HWPRESENT because we
+			 * can't make any assumptions about the state
+			 * of the hardware or a previous firmware load.
+			 */
+			if ((result=hfa384x_drvr_start(hw))) {
+				WLAN_LOG_ERROR(
+					"hfa384x_drvr_start() failed,"
+					"result=%d\n", (int)result);
+				result =
+				P80211ENUM_resultcode_implementation_failure;
+				wlandev->msdstate = WLAN_MSD_HWPRESENT;
+				break;
+			}
+
+			if ((result=prism2sta_getcardinfo(wlandev))) {
+				WLAN_LOG_ERROR(
+					"prism2sta_getcardinfo() failed,"
+					"result=%d\n", (int)result);
+				result =
+				P80211ENUM_resultcode_implementation_failure;
+				hfa384x_drvr_stop(hw);
+				wlandev->msdstate = WLAN_MSD_HWPRESENT;
+				break;
+			}
+			if ((result=prism2sta_globalsetup(wlandev))) {
+				WLAN_LOG_ERROR(
+					"prism2sta_globalsetup() failed,"
+					"result=%d\n", (int)result);
+				result =
+				P80211ENUM_resultcode_implementation_failure;
+				hfa384x_drvr_stop(hw);
+				wlandev->msdstate = WLAN_MSD_HWPRESENT;
+				break;
+			}
+			wlandev->msdstate = WLAN_MSD_RUNNING;
+			hw->join_ap = 0;
+			hw->join_retries = 60;
+			result = P80211ENUM_resultcode_success;
+			break;
+		case WLAN_MSD_RUNNING:
+			/* Do nothing, we're already in this state.*/
+			result = P80211ENUM_resultcode_success;
+			break;
+		case WLAN_MSD_HWFAIL:
+		default:
+			/* probe() had a problem or the msdstate contains
+			 * an unrecognized value, there's nothing we can do.
+			 */
+			result = P80211ENUM_resultcode_implementation_failure;
+			break;
+		}
+		break;
+	case P80211ENUM_ifstate_disable:
+		switch (wlandev->msdstate) {
+		case WLAN_MSD_HWPRESENT:
+			/* Do nothing, we're already in this state.*/
+			result = P80211ENUM_resultcode_success;
+			break;
+		case WLAN_MSD_FWLOAD:
+		case WLAN_MSD_RUNNING:
+			wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
+			/*
+			 * TODO: Shut down the MAC completely. Here a chip
+			 * or board level reset is probably called for.
+			 * After a "disable" _all_ results are lost, even
+			 * those from a fwload.
+			 */
+			if (!wlandev->hwremoved)
+				netif_carrier_off(wlandev->netdev);
+
+			hfa384x_drvr_stop(hw);
+
+			wlandev->macmode = WLAN_MACMODE_NONE;
+			wlandev->msdstate = WLAN_MSD_HWPRESENT;
+			result = P80211ENUM_resultcode_success;
+			break;
+		case WLAN_MSD_HWFAIL:
+		default:
+			/* probe() had a problem or the msdstate contains
+			 * an unrecognized value, there's nothing we can do.
+			 */
+			result = P80211ENUM_resultcode_implementation_failure;
+			break;
+		}
+		break;
+	default:
+		result = P80211ENUM_resultcode_invalid_parameters;
+		break;
+	}
+
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_getcardinfo
+*
+* Collect the NICID, firmware version and any other identifiers
+* we'd like to have in host-side data structures.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	0	success
+*	>0	f/w reported error
+*	<0	driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	Either.
+----------------------------------------------------------------*/
+static int prism2sta_getcardinfo(wlandevice_t *wlandev)
+{
+	int 			result = 0;
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	UINT16                  temp;
+	UINT8			snum[HFA384x_RID_NICSERIALNUMBER_LEN];
+	char			pstr[(HFA384x_RID_NICSERIALNUMBER_LEN * 4) + 1];
+
+	DBFENTER;
+
+	/* Collect version and compatibility info */
+	/*  Some are critical, some are not */
+	/* NIC identity */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICIDENTITY,
+			&hw->ident_nic, sizeof(hfa384x_compident_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve NICIDENTITY\n");
+		goto failed;
+	}
+
+	/* get all the nic id fields in host byte order */
+	hw->ident_nic.id = hfa384x2host_16(hw->ident_nic.id);
+	hw->ident_nic.variant = hfa384x2host_16(hw->ident_nic.variant);
+	hw->ident_nic.major = hfa384x2host_16(hw->ident_nic.major);
+	hw->ident_nic.minor = hfa384x2host_16(hw->ident_nic.minor);
+
+	WLAN_LOG_INFO( "ident: nic h/w: id=0x%02x %d.%d.%d\n",
+			hw->ident_nic.id, hw->ident_nic.major,
+			hw->ident_nic.minor, hw->ident_nic.variant);
+
+	/* Primary f/w identity */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRIIDENTITY,
+			&hw->ident_pri_fw, sizeof(hfa384x_compident_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve PRIIDENTITY\n");
+		goto failed;
+	}
+
+	/* get all the private fw id fields in host byte order */
+	hw->ident_pri_fw.id = hfa384x2host_16(hw->ident_pri_fw.id);
+	hw->ident_pri_fw.variant = hfa384x2host_16(hw->ident_pri_fw.variant);
+	hw->ident_pri_fw.major = hfa384x2host_16(hw->ident_pri_fw.major);
+	hw->ident_pri_fw.minor = hfa384x2host_16(hw->ident_pri_fw.minor);
+
+	WLAN_LOG_INFO( "ident: pri f/w: id=0x%02x %d.%d.%d\n",
+			hw->ident_pri_fw.id, hw->ident_pri_fw.major,
+			hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
+
+	/* Station (Secondary?) f/w identity */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STAIDENTITY,
+			&hw->ident_sta_fw, sizeof(hfa384x_compident_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve STAIDENTITY\n");
+		goto failed;
+	}
+
+	if (hw->ident_nic.id < 0x8000) {
+		WLAN_LOG_ERROR("FATAL: Card is not an Intersil Prism2/2.5/3\n");
+		result = -1;
+		goto failed;
+	}
+
+	/* get all the station fw id fields in host byte order */
+	hw->ident_sta_fw.id = hfa384x2host_16(hw->ident_sta_fw.id);
+	hw->ident_sta_fw.variant = hfa384x2host_16(hw->ident_sta_fw.variant);
+	hw->ident_sta_fw.major = hfa384x2host_16(hw->ident_sta_fw.major);
+	hw->ident_sta_fw.minor = hfa384x2host_16(hw->ident_sta_fw.minor);
+
+	/* strip out the 'special' variant bits */
+	hw->mm_mods = hw->ident_sta_fw.variant & (BIT14 | BIT15);
+	hw->ident_sta_fw.variant &= ~((UINT16)(BIT14 | BIT15));
+
+	if  ( hw->ident_sta_fw.id == 0x1f ) {
+		hw->ap = 0;
+		WLAN_LOG_INFO(
+			"ident: sta f/w: id=0x%02x %d.%d.%d\n",
+			hw->ident_sta_fw.id, hw->ident_sta_fw.major,
+			hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
+	} else {
+		hw->ap = 1;
+		WLAN_LOG_INFO(
+			"ident:  ap f/w: id=0x%02x %d.%d.%d\n",
+			hw->ident_sta_fw.id, hw->ident_sta_fw.major,
+			hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
+	}
+
+	/* Compatibility range, Modem supplier */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_MFISUPRANGE,
+			&hw->cap_sup_mfi, sizeof(hfa384x_caplevel_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve MFISUPRANGE\n");
+		goto failed;
+	}
+
+	/* get all the Compatibility range, modem interface supplier
+	fields in byte order */
+	hw->cap_sup_mfi.role = hfa384x2host_16(hw->cap_sup_mfi.role);
+	hw->cap_sup_mfi.id = hfa384x2host_16(hw->cap_sup_mfi.id);
+	hw->cap_sup_mfi.variant = hfa384x2host_16(hw->cap_sup_mfi.variant);
+	hw->cap_sup_mfi.bottom = hfa384x2host_16(hw->cap_sup_mfi.bottom);
+	hw->cap_sup_mfi.top = hfa384x2host_16(hw->cap_sup_mfi.top);
+
+	WLAN_LOG_INFO(
+		"MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_sup_mfi.role, hw->cap_sup_mfi.id,
+		hw->cap_sup_mfi.variant, hw->cap_sup_mfi.bottom,
+		hw->cap_sup_mfi.top);
+
+	/* Compatibility range, Controller supplier */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CFISUPRANGE,
+			&hw->cap_sup_cfi, sizeof(hfa384x_caplevel_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve CFISUPRANGE\n");
+		goto failed;
+	}
+
+	/* get all the Compatibility range, controller interface supplier
+	fields in byte order */
+	hw->cap_sup_cfi.role = hfa384x2host_16(hw->cap_sup_cfi.role);
+	hw->cap_sup_cfi.id = hfa384x2host_16(hw->cap_sup_cfi.id);
+	hw->cap_sup_cfi.variant = hfa384x2host_16(hw->cap_sup_cfi.variant);
+	hw->cap_sup_cfi.bottom = hfa384x2host_16(hw->cap_sup_cfi.bottom);
+	hw->cap_sup_cfi.top = hfa384x2host_16(hw->cap_sup_cfi.top);
+
+	WLAN_LOG_INFO(
+		"CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_sup_cfi.role, hw->cap_sup_cfi.id,
+		hw->cap_sup_cfi.variant, hw->cap_sup_cfi.bottom,
+		hw->cap_sup_cfi.top);
+
+	/* Compatibility range, Primary f/w supplier */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRISUPRANGE,
+			&hw->cap_sup_pri, sizeof(hfa384x_caplevel_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve PRISUPRANGE\n");
+		goto failed;
+	}
+
+	/* get all the Compatibility range, primary firmware supplier
+	fields in byte order */
+	hw->cap_sup_pri.role = hfa384x2host_16(hw->cap_sup_pri.role);
+	hw->cap_sup_pri.id = hfa384x2host_16(hw->cap_sup_pri.id);
+	hw->cap_sup_pri.variant = hfa384x2host_16(hw->cap_sup_pri.variant);
+	hw->cap_sup_pri.bottom = hfa384x2host_16(hw->cap_sup_pri.bottom);
+	hw->cap_sup_pri.top = hfa384x2host_16(hw->cap_sup_pri.top);
+
+	WLAN_LOG_INFO(
+		"PRI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_sup_pri.role, hw->cap_sup_pri.id,
+		hw->cap_sup_pri.variant, hw->cap_sup_pri.bottom,
+		hw->cap_sup_pri.top);
+
+	/* Compatibility range, Station f/w supplier */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STASUPRANGE,
+			&hw->cap_sup_sta, sizeof(hfa384x_caplevel_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve STASUPRANGE\n");
+		goto failed;
+	}
+
+	/* get all the Compatibility range, station firmware supplier
+	fields in byte order */
+	hw->cap_sup_sta.role = hfa384x2host_16(hw->cap_sup_sta.role);
+	hw->cap_sup_sta.id = hfa384x2host_16(hw->cap_sup_sta.id);
+	hw->cap_sup_sta.variant = hfa384x2host_16(hw->cap_sup_sta.variant);
+	hw->cap_sup_sta.bottom = hfa384x2host_16(hw->cap_sup_sta.bottom);
+	hw->cap_sup_sta.top = hfa384x2host_16(hw->cap_sup_sta.top);
+
+	if ( hw->cap_sup_sta.id == 0x04 ) {
+		WLAN_LOG_INFO(
+		"STA:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_sup_sta.role, hw->cap_sup_sta.id,
+		hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
+		hw->cap_sup_sta.top);
+	} else {
+		WLAN_LOG_INFO(
+		"AP:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_sup_sta.role, hw->cap_sup_sta.id,
+		hw->cap_sup_sta.variant, hw->cap_sup_sta.bottom,
+		hw->cap_sup_sta.top);
+	}
+
+	/* Compatibility range, primary f/w actor, CFI supplier */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_PRI_CFIACTRANGES,
+			&hw->cap_act_pri_cfi, sizeof(hfa384x_caplevel_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve PRI_CFIACTRANGES\n");
+		goto failed;
+	}
+
+	/* get all the Compatibility range, primary f/w actor, CFI supplier
+	fields in byte order */
+	hw->cap_act_pri_cfi.role = hfa384x2host_16(hw->cap_act_pri_cfi.role);
+	hw->cap_act_pri_cfi.id = hfa384x2host_16(hw->cap_act_pri_cfi.id);
+	hw->cap_act_pri_cfi.variant = hfa384x2host_16(hw->cap_act_pri_cfi.variant);
+	hw->cap_act_pri_cfi.bottom = hfa384x2host_16(hw->cap_act_pri_cfi.bottom);
+	hw->cap_act_pri_cfi.top = hfa384x2host_16(hw->cap_act_pri_cfi.top);
+
+	WLAN_LOG_INFO(
+		"PRI-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_act_pri_cfi.role, hw->cap_act_pri_cfi.id,
+		hw->cap_act_pri_cfi.variant, hw->cap_act_pri_cfi.bottom,
+		hw->cap_act_pri_cfi.top);
+
+	/* Compatibility range, sta f/w actor, CFI supplier */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_CFIACTRANGES,
+			&hw->cap_act_sta_cfi, sizeof(hfa384x_caplevel_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve STA_CFIACTRANGES\n");
+		goto failed;
+	}
+
+	/* get all the Compatibility range, station f/w actor, CFI supplier
+	fields in byte order */
+	hw->cap_act_sta_cfi.role = hfa384x2host_16(hw->cap_act_sta_cfi.role);
+	hw->cap_act_sta_cfi.id = hfa384x2host_16(hw->cap_act_sta_cfi.id);
+	hw->cap_act_sta_cfi.variant = hfa384x2host_16(hw->cap_act_sta_cfi.variant);
+	hw->cap_act_sta_cfi.bottom = hfa384x2host_16(hw->cap_act_sta_cfi.bottom);
+	hw->cap_act_sta_cfi.top = hfa384x2host_16(hw->cap_act_sta_cfi.top);
+
+	WLAN_LOG_INFO(
+		"STA-CFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_act_sta_cfi.role, hw->cap_act_sta_cfi.id,
+		hw->cap_act_sta_cfi.variant, hw->cap_act_sta_cfi.bottom,
+		hw->cap_act_sta_cfi.top);
+
+	/* Compatibility range, sta f/w actor, MFI supplier */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_STA_MFIACTRANGES,
+			&hw->cap_act_sta_mfi, sizeof(hfa384x_caplevel_t));
+	if ( result ) {
+		WLAN_LOG_ERROR("Failed to retrieve STA_MFIACTRANGES\n");
+		goto failed;
+	}
+
+	/* get all the Compatibility range, station f/w actor, MFI supplier
+	fields in byte order */
+	hw->cap_act_sta_mfi.role = hfa384x2host_16(hw->cap_act_sta_mfi.role);
+	hw->cap_act_sta_mfi.id = hfa384x2host_16(hw->cap_act_sta_mfi.id);
+	hw->cap_act_sta_mfi.variant = hfa384x2host_16(hw->cap_act_sta_mfi.variant);
+	hw->cap_act_sta_mfi.bottom = hfa384x2host_16(hw->cap_act_sta_mfi.bottom);
+	hw->cap_act_sta_mfi.top = hfa384x2host_16(hw->cap_act_sta_mfi.top);
+
+	WLAN_LOG_INFO(
+		"STA-MFI:ACT:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n",
+		hw->cap_act_sta_mfi.role, hw->cap_act_sta_mfi.id,
+		hw->cap_act_sta_mfi.variant, hw->cap_act_sta_mfi.bottom,
+		hw->cap_act_sta_mfi.top);
+
+	/* Serial Number */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_NICSERIALNUMBER,
+			snum, HFA384x_RID_NICSERIALNUMBER_LEN);
+	if ( !result ) {
+		wlan_mkprintstr(snum, HFA384x_RID_NICSERIALNUMBER_LEN,
+				pstr, sizeof(pstr));
+		WLAN_LOG_INFO("Prism2 card SN: %s\n", pstr);
+	} else {
+		WLAN_LOG_ERROR("Failed to retrieve Prism2 Card SN\n");
+		goto failed;
+	}
+
+	/* Collect the MAC address */
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_CNFOWNMACADDR,
+		wlandev->netdev->dev_addr, WLAN_ADDR_LEN);
+	if ( result != 0 ) {
+		WLAN_LOG_ERROR("Failed to retrieve mac address\n");
+		goto failed;
+	}
+
+	/* short preamble is always implemented */
+	wlandev->nsdcaps |= P80211_NSDCAP_SHORT_PREAMBLE;
+
+	/* find out if hardware wep is implemented */
+	hfa384x_drvr_getconfig16(hw, HFA384x_RID_PRIVACYOPTIMP, &temp);
+	if (temp)
+		wlandev->nsdcaps |= P80211_NSDCAP_HARDWAREWEP;
+
+	/* get the dBm Scaling constant */
+	hfa384x_drvr_getconfig16(hw, HFA384x_RID_CNFDBMADJUST, &temp);
+	hw->dbmadjust = temp;
+
+	/* Only enable scan by default on newer firmware */
+        if (HFA384x_FIRMWARE_VERSION(hw->ident_sta_fw.major,
+                                     hw->ident_sta_fw.minor,
+                                     hw->ident_sta_fw.variant) <
+	    HFA384x_FIRMWARE_VERSION(1,5,5)) {
+		wlandev->nsdcaps |= P80211_NSDCAP_NOSCAN;
+	}
+
+	/* TODO: Set any internally managed config items */
+
+	goto done;
+failed:
+	WLAN_LOG_ERROR("Failed, result=%d\n", result);
+done:
+	DBFEXIT;
+	return result;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_globalsetup
+*
+* Set any global RIDs that we want to set at device activation.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	0	success
+*	>0	f/w reported error
+*	<0	driver reported error
+*
+* Side effects:
+*
+* Call context:
+*	process thread
+----------------------------------------------------------------*/
+static int prism2sta_globalsetup(wlandevice_t *wlandev)
+{
+	hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+
+	/* Set the maximum frame size */
+	return hfa384x_drvr_setconfig16(hw, HFA384x_RID_CNFMAXDATALEN,
+	                                    WLAN_DATA_MAXLEN);
+}
+
+static int prism2sta_setmulticast(wlandevice_t *wlandev, netdevice_t *dev)
+{
+	int result = 0;
+	hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+
+	UINT16  promisc;
+
+	DBFENTER;
+
+	/* If we're not ready, what's the point? */
+	if ( hw->state != HFA384x_STATE_RUNNING )
+		goto exit;
+
+	/* If we're an AP, do nothing here */
+	if (hw->ap)
+		goto exit;
+
+	if ( (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0 )
+		promisc = P80211ENUM_truth_true;
+	else
+		promisc = P80211ENUM_truth_false;
+
+	result = hfa384x_drvr_setconfig16_async(hw, HFA384x_RID_PROMISCMODE, promisc);
+
+	/* XXX TODO: configure the multicast list */
+	// CLEAR_HW_MULTICAST_LIST
+	// struct dev_mc_list element = dev->mc_list;
+	// while (element != null) {
+	//  HW_ADD_MULTICAST_ADDR(element->dmi_addr, dmi_addrlen)
+	//  element = element->next;
+	// }
+
+ exit:
+	DBFEXIT;
+	return result;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_inf_handover
+*
+* Handles the receipt of a Handover info frame. Should only be present
+* in APs only.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_handover(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
+{
+	DBFENTER;
+	WLAN_LOG_DEBUG(2,"received infoframe:HANDOVER (unhandled)\n");
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_inf_tallies
+*
+* Handles the receipt of a CommTallies info frame.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_tallies(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	UINT16			*src16;
+	UINT32			*dst;
+	UINT32			*src32;
+	int			i;
+	int			cnt;
+
+	DBFENTER;
+
+	/*
+	** Determine if these are 16-bit or 32-bit tallies, based on the
+	** record length of the info record.
+	*/
+
+	cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(UINT32);
+	if (inf->framelen > 22) {
+		dst   = (UINT32 *) &hw->tallies;
+		src32 = (UINT32 *) &inf->info.commtallies32;
+		for (i = 0; i < cnt; i++, dst++, src32++)
+			*dst += hfa384x2host_32(*src32);
+	} else {
+		dst   = (UINT32 *) &hw->tallies;
+		src16 = (UINT16 *) &inf->info.commtallies16;
+		for (i = 0; i < cnt; i++, dst++, src16++)
+			*dst += hfa384x2host_16(*src16);
+	}
+
+	DBFEXIT;
+
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_inf_scanresults
+*
+* Handles the receipt of a Scan Results info frame.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_scanresults(wlandevice_t *wlandev,
+				      hfa384x_InfFrame_t *inf)
+{
+
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	int			nbss;
+	hfa384x_ScanResult_t	*sr = &(inf->info.scanresult);
+	int			i;
+	hfa384x_JoinRequest_data_t	joinreq;
+	int			result;
+	DBFENTER;
+
+	/* Get the number of results, first in bytes, then in results */
+	nbss = (inf->framelen * sizeof(UINT16)) -
+		sizeof(inf->infotype) -
+		sizeof(inf->info.scanresult.scanreason);
+	nbss /= sizeof(hfa384x_ScanResultSub_t);
+
+	/* Print em */
+	WLAN_LOG_DEBUG(1,"rx scanresults, reason=%d, nbss=%d:\n",
+		inf->info.scanresult.scanreason, nbss);
+	for ( i = 0; i < nbss; i++) {
+		WLAN_LOG_DEBUG(1, "chid=%d anl=%d sl=%d bcnint=%d\n",
+			sr->result[i].chid,
+			sr->result[i].anl,
+			sr->result[i].sl,
+			sr->result[i].bcnint);
+		WLAN_LOG_DEBUG(1, "  capinfo=0x%04x proberesp_rate=%d\n",
+			sr->result[i].capinfo,
+			sr->result[i].proberesp_rate);
+	}
+	/* issue a join request */
+	joinreq.channel = sr->result[0].chid;
+	memcpy( joinreq.bssid, sr->result[0].bssid, WLAN_BSSID_LEN);
+	result = hfa384x_drvr_setconfig( hw,
+			HFA384x_RID_JOINREQUEST,
+			&joinreq, HFA384x_RID_JOINREQUEST_LEN);
+	if (result) {
+		WLAN_LOG_ERROR("setconfig(joinreq) failed, result=%d\n", result);
+	}
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_inf_hostscanresults
+*
+* Handles the receipt of a Scan Results info frame.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_hostscanresults(wlandevice_t *wlandev,
+					  hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	int			nbss;
+	DBFENTER;
+
+	nbss = (inf->framelen - 3) / 32;
+	WLAN_LOG_DEBUG(1, "Received %d hostscan results\n", nbss);
+
+	if (nbss > 32)
+		nbss = 32;
+
+	if (hw->scanresults)
+		kfree(hw->scanresults);
+
+	hw->scanresults = kmalloc(sizeof(hfa384x_InfFrame_t), GFP_ATOMIC);
+	memcpy(hw->scanresults, inf, sizeof(hfa384x_InfFrame_t));
+
+	if (nbss == 0)
+		nbss = -1;
+
+        /* Notify/wake the sleeping caller. */
+        hw->scanflag = nbss;
+        wake_up_interruptible(&hw->cmdq);
+
+	DBFEXIT;
+};
+
+/*----------------------------------------------------------------
+* prism2sta_inf_chinforesults
+*
+* Handles the receipt of a Channel Info Results info frame.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_chinforesults(wlandevice_t *wlandev,
+					hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	unsigned int		i, n;
+
+	DBFENTER;
+	hw->channel_info.results.scanchannels =
+		hfa384x2host_16(inf->info.chinforesult.scanchannels);
+#if 0
+	memcpy(&inf->info.chinforesult, &hw->channel_info.results, sizeof(hfa384x_ChInfoResult_t));
+#endif
+
+	for (i=0, n=0; i<HFA384x_CHINFORESULT_MAX; i++) {
+		if (hw->channel_info.results.scanchannels & (1<<i)) {
+			int 	channel=hfa384x2host_16(inf->info.chinforesult.result[n].chid)-1;
+			hfa384x_ChInfoResultSub_t *chinforesult=&hw->channel_info.results.result[channel];
+			chinforesult->chid   = channel;
+			chinforesult->anl    = hfa384x2host_16(inf->info.chinforesult.result[n].anl);
+			chinforesult->pnl    = hfa384x2host_16(inf->info.chinforesult.result[n].pnl);
+			chinforesult->active = hfa384x2host_16(inf->info.chinforesult.result[n].active);
+			WLAN_LOG_DEBUG(2, "chinfo: channel %d, %s level (avg/peak)=%d/%d dB, pcf %d\n",
+					channel+1,
+					chinforesult->active &
+					HFA384x_CHINFORESULT_BSSACTIVE ? "signal" : "noise",
+					chinforesult->anl, chinforesult->pnl,
+					chinforesult->active & HFA384x_CHINFORESULT_PCFACTIVE ? 1 : 0
+			);
+			n++;
+		}
+	}
+	atomic_set(&hw->channel_info.done, 2);
+
+	hw->channel_info.count = n;
+	DBFEXIT;
+	return;
+}
+
+void prism2sta_processing_defer(struct work_struct *data)
+{
+	hfa384x_t		*hw = container_of(data, struct hfa384x, link_bh);
+	wlandevice_t            *wlandev = hw->wlandev;
+	hfa384x_bytestr32_t ssid;
+	int			result;
+
+	DBFENTER;
+	/* First let's process the auth frames */
+	{
+		struct sk_buff          *skb;
+		hfa384x_InfFrame_t *inf;
+
+		while ( (skb = skb_dequeue(&hw->authq)) ) {
+			inf = (hfa384x_InfFrame_t *) skb->data;
+			prism2sta_inf_authreq_defer(wlandev, inf);
+		}
+
+	}
+
+	/* Now let's handle the linkstatus stuff */
+	if (hw->link_status == hw->link_status_new)
+		goto failed;
+
+	hw->link_status = hw->link_status_new;
+
+	switch(hw->link_status) {
+	case HFA384x_LINK_NOTCONNECTED:
+		/* I'm currently assuming that this is the initial link
+		 * state.  It should only be possible immediately
+		 * following an Enable command.
+		 * Response:
+		 * Block Transmits, Ignore receives of data frames
+		 */
+		netif_carrier_off(wlandev->netdev);
+
+		WLAN_LOG_INFO("linkstatus=NOTCONNECTED (unhandled)\n");
+		break;
+
+	case HFA384x_LINK_CONNECTED:
+		/* This one indicates a successful scan/join/auth/assoc.
+		 * When we have the full MLME complement, this event will
+		 * signify successful completion of both mlme_authenticate
+		 * and mlme_associate.  State management will get a little
+		 * ugly here.
+		 * Response:
+		 * Indicate authentication and/or association
+		 * Enable Transmits, Receives and pass up data frames
+		 */
+
+		netif_carrier_on(wlandev->netdev);
+
+		/* If we are joining a specific AP, set our state and reset retries */
+		if(hw->join_ap == 1)
+			hw->join_ap = 2;
+		hw->join_retries = 60;
+
+		/* Don't call this in monitor mode */
+		if ( wlandev->netdev->type == ARPHRD_ETHER ) {
+			UINT16			portstatus;
+
+			WLAN_LOG_INFO("linkstatus=CONNECTED\n");
+
+			/* For non-usb devices, we can use the sync versions */
+			/* Collect the BSSID, and set state to allow tx */
+
+			result = hfa384x_drvr_getconfig(hw,
+							HFA384x_RID_CURRENTBSSID,
+							wlandev->bssid, WLAN_BSSID_LEN);
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,
+					       "getconfig(0x%02x) failed, result = %d\n",
+					       HFA384x_RID_CURRENTBSSID, result);
+				goto failed;
+			}
+
+			result = hfa384x_drvr_getconfig(hw,
+							HFA384x_RID_CURRENTSSID,
+							&ssid, sizeof(ssid));
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,
+					       "getconfig(0x%02x) failed, result = %d\n",
+					       HFA384x_RID_CURRENTSSID, result);
+				goto failed;
+			}
+			prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid,
+						(p80211pstrd_t *) &wlandev->ssid);
+
+			/* Collect the port status */
+			result = hfa384x_drvr_getconfig16(hw,
+							  HFA384x_RID_PORTSTATUS, &portstatus);
+			if ( result ) {
+				WLAN_LOG_DEBUG(1,
+					       "getconfig(0x%02x) failed, result = %d\n",
+					       HFA384x_RID_PORTSTATUS, result);
+				goto failed;
+			}
+			wlandev->macmode =
+				(portstatus == HFA384x_PSTATUS_CONN_IBSS) ?
+				WLAN_MACMODE_IBSS_STA : WLAN_MACMODE_ESS_STA;
+
+			/* Get the ball rolling on the comms quality stuff */
+			prism2sta_commsqual_defer(&hw->commsqual_bh);
+		}
+		break;
+
+	case HFA384x_LINK_DISCONNECTED:
+		/* This one indicates that our association is gone.  We've
+		 * lost connection with the AP and/or been disassociated.
+		 * This indicates that the MAC has completely cleared it's
+		 * associated state.  We * should send a deauth indication
+		 * (implying disassoc) up * to the MLME.
+		 * Response:
+		 * Indicate Deauthentication
+		 * Block Transmits, Ignore receives of data frames
+		 */
+		if(hw->join_ap == 2)
+		{
+			hfa384x_JoinRequest_data_t      joinreq;
+			joinreq = hw->joinreq;
+			/* Send the join request */
+			hfa384x_drvr_setconfig( hw,
+				HFA384x_RID_JOINREQUEST,
+				&joinreq, HFA384x_RID_JOINREQUEST_LEN);
+			WLAN_LOG_INFO("linkstatus=DISCONNECTED (re-submitting join)\n");
+		} else {
+			if (wlandev->netdev->type == ARPHRD_ETHER)
+				WLAN_LOG_INFO("linkstatus=DISCONNECTED (unhandled)\n");
+		}
+		wlandev->macmode = WLAN_MACMODE_NONE;
+
+		netif_carrier_off(wlandev->netdev);
+
+		break;
+
+	case HFA384x_LINK_AP_CHANGE:
+		/* This one indicates that the MAC has decided to and
+		 * successfully completed a change to another AP.  We
+		 * should probably implement a reassociation indication
+		 * in response to this one.  I'm thinking that the the
+		 * p80211 layer needs to be notified in case of
+		 * buffering/queueing issues.  User mode also needs to be
+		 * notified so that any BSS dependent elements can be
+		 * updated.
+		 * associated state.  We * should send a deauth indication
+		 * (implying disassoc) up * to the MLME.
+		 * Response:
+		 * Indicate Reassociation
+		 * Enable Transmits, Receives and pass up data frames
+		 */
+		WLAN_LOG_INFO("linkstatus=AP_CHANGE\n");
+
+		result = hfa384x_drvr_getconfig(hw,
+						HFA384x_RID_CURRENTBSSID,
+						wlandev->bssid, WLAN_BSSID_LEN);
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+				       "getconfig(0x%02x) failed, result = %d\n",
+				       HFA384x_RID_CURRENTBSSID, result);
+			goto failed;
+		}
+
+		result = hfa384x_drvr_getconfig(hw,
+						HFA384x_RID_CURRENTSSID,
+						&ssid, sizeof(ssid));
+		if ( result ) {
+			WLAN_LOG_DEBUG(1,
+				       "getconfig(0x%02x) failed, result = %d\n",
+				       HFA384x_RID_CURRENTSSID, result);
+			goto failed;
+		}
+		prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid,
+					(p80211pstrd_t *) &wlandev->ssid);
+
+
+		hw->link_status = HFA384x_LINK_CONNECTED;
+		netif_carrier_on(wlandev->netdev);
+
+		break;
+
+	case HFA384x_LINK_AP_OUTOFRANGE:
+		/* This one indicates that the MAC has decided that the
+		 * AP is out of range, but hasn't found a better candidate
+		 * so the MAC maintains its "associated" state in case
+		 * we get back in range.  We should block transmits and
+		 * receives in this state.  Do we need an indication here?
+		 * Probably not since a polling user-mode element would
+		 * get this status from from p2PortStatus(FD40). What about
+		 * p80211?
+		 * Response:
+		 * Block Transmits, Ignore receives of data frames
+		 */
+		WLAN_LOG_INFO("linkstatus=AP_OUTOFRANGE (unhandled)\n");
+
+		netif_carrier_off(wlandev->netdev);
+
+		break;
+
+	case HFA384x_LINK_AP_INRANGE:
+		/* This one indicates that the MAC has decided that the
+		 * AP is back in range.  We continue working with our
+		 * existing association.
+		 * Response:
+		 * Enable Transmits, Receives and pass up data frames
+		 */
+		WLAN_LOG_INFO("linkstatus=AP_INRANGE\n");
+
+		hw->link_status = HFA384x_LINK_CONNECTED;
+		netif_carrier_on(wlandev->netdev);
+
+		break;
+
+	case HFA384x_LINK_ASSOCFAIL:
+		/* This one is actually a peer to CONNECTED.  We've
+		 * requested a join for a given SSID and optionally BSSID.
+		 * We can use this one to indicate authentication and
+		 * association failures.  The trick is going to be
+		 * 1) identifying the failure, and 2) state management.
+		 * Response:
+		 * Disable Transmits, Ignore receives of data frames
+		 */
+		if(hw->join_ap && --hw->join_retries > 0)
+		{
+			hfa384x_JoinRequest_data_t      joinreq;
+			joinreq = hw->joinreq;
+			/* Send the join request */
+			hfa384x_drvr_setconfig( hw,
+				HFA384x_RID_JOINREQUEST,
+				&joinreq, HFA384x_RID_JOINREQUEST_LEN);
+			WLAN_LOG_INFO("linkstatus=ASSOCFAIL (re-submitting join)\n");
+		} else {
+			WLAN_LOG_INFO("linkstatus=ASSOCFAIL (unhandled)\n");
+		}
+
+		netif_carrier_off(wlandev->netdev);
+
+		break;
+
+	default:
+		/* This is bad, IO port problems? */
+		WLAN_LOG_WARNING(
+			"unknown linkstatus=0x%02x\n", hw->link_status);
+		goto failed;
+		break;
+	}
+
+	wlandev->linkstatus = (hw->link_status == HFA384x_LINK_CONNECTED);
+#ifdef WIRELESS_EXT
+	p80211wext_event_associated(wlandev, wlandev->linkstatus);
+#endif
+
+ failed:
+	DBFEXIT;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_inf_linkstatus
+*
+* Handles the receipt of a Link Status info frame.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_linkstatus(wlandevice_t *wlandev,
+				     hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+
+	DBFENTER;
+
+	hw->link_status_new = hfa384x2host_16(inf->info.linkstatus.linkstatus);
+
+	schedule_work(&hw->link_bh);
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_inf_assocstatus
+*
+* Handles the receipt of an Association Status info frame. Should
+* be present in APs only.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_assocstatus(wlandevice_t *wlandev,
+				      hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	hfa384x_AssocStatus_t	rec;
+	int			i;
+
+	DBFENTER;
+
+	memcpy(&rec, &inf->info.assocstatus, sizeof(rec));
+	rec.assocstatus = hfa384x2host_16(rec.assocstatus);
+	rec.reason      = hfa384x2host_16(rec.reason);
+
+	/*
+	** Find the address in the list of authenticated stations.  If it wasn't
+	** found, then this address has not been previously authenticated and
+	** something weird has happened if this is anything other than an
+	** "authentication failed" message.  If the address was found, then
+	** set the "associated" flag for that station, based on whether the
+	** station is associating or losing its association.  Something weird
+	** has also happened if we find the address in the list of authenticated
+	** stations but we are getting an "authentication failed" message.
+	*/
+
+	for (i = 0; i < hw->authlist.cnt; i++)
+		if (memcmp(rec.sta_addr, hw->authlist.addr[i], WLAN_ADDR_LEN) == 0)
+			break;
+
+	if (i >= hw->authlist.cnt) {
+		if (rec.assocstatus != HFA384x_ASSOCSTATUS_AUTHFAIL)
+			WLAN_LOG_WARNING("assocstatus info frame received for non-authenticated station.\n");
+	} else {
+		hw->authlist.assoc[i] =
+			(rec.assocstatus == HFA384x_ASSOCSTATUS_STAASSOC ||
+			 rec.assocstatus == HFA384x_ASSOCSTATUS_REASSOC);
+
+		if (rec.assocstatus == HFA384x_ASSOCSTATUS_AUTHFAIL)
+			WLAN_LOG_WARNING("authfail assocstatus info frame received for authenticated station.\n");
+	}
+
+	DBFEXIT;
+
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_inf_authreq
+*
+* Handles the receipt of an Authentication Request info frame. Should
+* be present in APs only.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+*
+----------------------------------------------------------------*/
+static void prism2sta_inf_authreq(wlandevice_t *wlandev,
+				  hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	struct sk_buff *skb;
+
+	DBFENTER;
+
+	skb = dev_alloc_skb(sizeof(*inf));
+	if (skb) {
+		skb_put(skb, sizeof(*inf));
+		memcpy(skb->data, inf, sizeof(*inf));
+		skb_queue_tail(&hw->authq, skb);
+		schedule_work(&hw->link_bh);
+	}
+
+	DBFEXIT;
+}
+
+static void prism2sta_inf_authreq_defer(wlandevice_t *wlandev,
+					hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+	hfa384x_authenticateStation_data_t  rec;
+
+	int    i, added, result, cnt;
+	UINT8  *addr;
+
+	DBFENTER;
+
+	/*
+	** Build the AuthenticateStation record.  Initialize it for denying
+	** authentication.
+	*/
+
+	memcpy(rec.address, inf->info.authreq.sta_addr, WLAN_ADDR_LEN);
+	rec.status = P80211ENUM_status_unspec_failure;
+
+	/*
+	** Authenticate based on the access mode.
+	*/
+
+	switch (hw->accessmode) {
+		case WLAN_ACCESS_NONE:
+
+			/*
+			** Deny all new authentications.  However, if a station
+			** is ALREADY authenticated, then accept it.
+			*/
+
+			for (i = 0; i < hw->authlist.cnt; i++)
+				if (memcmp(rec.address, hw->authlist.addr[i],
+						WLAN_ADDR_LEN) == 0) {
+					rec.status = P80211ENUM_status_successful;
+					break;
+				}
+
+			break;
+
+		case WLAN_ACCESS_ALL:
+
+			/*
+			** Allow all authentications.
+			*/
+
+			rec.status = P80211ENUM_status_successful;
+			break;
+
+		case WLAN_ACCESS_ALLOW:
+
+			/*
+			** Only allow the authentication if the MAC address
+			** is in the list of allowed addresses.
+			**
+			** Since this is the interrupt handler, we may be here
+			** while the access list is in the middle of being
+			** updated.  Choose the list which is currently okay.
+			** See "prism2mib_priv_accessallow()" for details.
+			*/
+
+			if (hw->allow.modify == 0) {
+				cnt  = hw->allow.cnt;
+				addr = hw->allow.addr[0];
+			} else {
+				cnt  = hw->allow.cnt1;
+				addr = hw->allow.addr1[0];
+			}
+
+			for (i = 0; i < cnt; i++, addr += WLAN_ADDR_LEN)
+				if (memcmp(rec.address, addr, WLAN_ADDR_LEN) == 0) {
+					rec.status = P80211ENUM_status_successful;
+					break;
+				}
+
+			break;
+
+		case WLAN_ACCESS_DENY:
+
+			/*
+			** Allow the authentication UNLESS the MAC address is
+			** in the list of denied addresses.
+			**
+			** Since this is the interrupt handler, we may be here
+			** while the access list is in the middle of being
+			** updated.  Choose the list which is currently okay.
+			** See "prism2mib_priv_accessdeny()" for details.
+			*/
+
+			if (hw->deny.modify == 0) {
+				cnt  = hw->deny.cnt;
+				addr = hw->deny.addr[0];
+			} else {
+				cnt  = hw->deny.cnt1;
+				addr = hw->deny.addr1[0];
+			}
+
+			rec.status = P80211ENUM_status_successful;
+
+			for (i = 0; i < cnt; i++, addr += WLAN_ADDR_LEN)
+				if (memcmp(rec.address, addr, WLAN_ADDR_LEN) == 0) {
+					rec.status = P80211ENUM_status_unspec_failure;
+					break;
+				}
+
+			break;
+	}
+
+	/*
+	** If the authentication is okay, then add the MAC address to the list
+	** of authenticated stations.  Don't add the address if it is already in
+	** the list.  (802.11b does not seem to disallow a station from issuing
+	** an authentication request when the station is already authenticated.
+	** Does this sort of thing ever happen?  We might as well do the check
+	** just in case.)
+	*/
+
+	added = 0;
+
+	if (rec.status == P80211ENUM_status_successful) {
+		for (i = 0; i < hw->authlist.cnt; i++)
+			if (memcmp(rec.address, hw->authlist.addr[i], WLAN_ADDR_LEN) == 0)
+				break;
+
+		if (i >= hw->authlist.cnt) {
+			if (hw->authlist.cnt >= WLAN_AUTH_MAX) {
+				rec.status = P80211ENUM_status_ap_full;
+			} else {
+				memcpy(hw->authlist.addr[hw->authlist.cnt],
+					rec.address, WLAN_ADDR_LEN);
+				hw->authlist.cnt++;
+				added = 1;
+			}
+		}
+	}
+
+	/*
+	** Send back the results of the authentication.  If this doesn't work,
+	** then make sure to remove the address from the authenticated list if
+	** it was added.
+	*/
+
+	rec.status = host2hfa384x_16(rec.status);
+	rec.algorithm = inf->info.authreq.algorithm;
+
+	result = hfa384x_drvr_setconfig(hw, HFA384x_RID_AUTHENTICATESTA,
+							&rec, sizeof(rec));
+	if (result) {
+		if (added) hw->authlist.cnt--;
+		WLAN_LOG_ERROR("setconfig(authenticatestation) failed, result=%d\n", result);
+	}
+
+	DBFEXIT;
+
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_inf_psusercnt
+*
+* Handles the receipt of a PowerSaveUserCount info frame. Should
+* be present in APs only.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to info frame (contents in hfa384x order)
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+static void prism2sta_inf_psusercnt(wlandevice_t *wlandev,
+				    hfa384x_InfFrame_t *inf)
+{
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+
+	DBFENTER;
+
+	hw->psusercount = hfa384x2host_16(inf->info.psusercnt.usercnt);
+
+	DBFEXIT;
+
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_ev_dtim
+*
+* Handles the DTIM early warning event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void prism2sta_ev_dtim(wlandevice_t *wlandev)
+{
+#if 0
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+#endif
+	DBFENTER;
+	WLAN_LOG_DEBUG(3, "DTIM event, currently unhandled.\n");
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_ev_infdrop
+*
+* Handles the InfDrop event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void prism2sta_ev_infdrop(wlandevice_t *wlandev)
+{
+#if 0
+        hfa384x_t               *hw = (hfa384x_t *)wlandev->priv;
+#endif
+	DBFENTER;
+	WLAN_LOG_DEBUG(3, "Info frame dropped due to card mem low.\n");
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_ev_info
+*
+* Handles the Info event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	inf		ptr to a generic info frame
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf)
+{
+	DBFENTER;
+	inf->infotype = hfa384x2host_16(inf->infotype);
+	/* Dispatch */
+	switch ( inf->infotype ) {
+		case HFA384x_IT_HANDOVERADDR:
+			prism2sta_inf_handover(wlandev, inf);
+			break;
+		case HFA384x_IT_COMMTALLIES:
+			prism2sta_inf_tallies(wlandev, inf);
+			break;
+               case HFA384x_IT_HOSTSCANRESULTS:
+                        prism2sta_inf_hostscanresults(wlandev, inf);
+                        break;
+		case HFA384x_IT_SCANRESULTS:
+			prism2sta_inf_scanresults(wlandev, inf);
+			break;
+		case HFA384x_IT_CHINFORESULTS:
+			prism2sta_inf_chinforesults(wlandev, inf);
+			break;
+		case HFA384x_IT_LINKSTATUS:
+			prism2sta_inf_linkstatus(wlandev, inf);
+			break;
+		case HFA384x_IT_ASSOCSTATUS:
+			prism2sta_inf_assocstatus(wlandev, inf);
+			break;
+		case HFA384x_IT_AUTHREQ:
+			prism2sta_inf_authreq(wlandev, inf);
+			break;
+		case HFA384x_IT_PSUSERCNT:
+			prism2sta_inf_psusercnt(wlandev, inf);
+			break;
+	        case HFA384x_IT_KEYIDCHANGED:
+			WLAN_LOG_WARNING("Unhandled IT_KEYIDCHANGED\n");
+			break;
+	        case HFA384x_IT_ASSOCREQ:
+			WLAN_LOG_WARNING("Unhandled IT_ASSOCREQ\n");
+			break;
+	        case HFA384x_IT_MICFAILURE:
+			WLAN_LOG_WARNING("Unhandled IT_MICFAILURE\n");
+			break;
+		default:
+			WLAN_LOG_WARNING(
+				"Unknown info type=0x%02x\n", inf->infotype);
+			break;
+	}
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_ev_txexc
+*
+* Handles the TxExc event.  A Transmit Exception event indicates
+* that the MAC's TX process was unsuccessful - so the packet did
+* not get transmitted.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	status		tx frame status word
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void prism2sta_ev_txexc(wlandevice_t *wlandev, UINT16 status)
+{
+	DBFENTER;
+
+	WLAN_LOG_DEBUG(3, "TxExc status=0x%x.\n", status);
+
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_ev_tx
+*
+* Handles the Tx event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*	status		tx frame status word
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void prism2sta_ev_tx(wlandevice_t *wlandev, UINT16 status)
+{
+	DBFENTER;
+	WLAN_LOG_DEBUG(4, "Tx Complete, status=0x%04x\n", status);
+	/* update linux network stats */
+	wlandev->linux_stats.tx_packets++;
+	DBFEXIT;
+	return;
+}
+
+
+/*----------------------------------------------------------------
+* prism2sta_ev_rx
+*
+* Handles the Rx event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb)
+{
+	DBFENTER;
+
+	p80211netdev_rx(wlandev, skb);
+
+	DBFEXIT;
+	return;
+}
+
+/*----------------------------------------------------------------
+* prism2sta_ev_alloc
+*
+* Handles the Alloc event.
+*
+* Arguments:
+*	wlandev		wlan device structure
+*
+* Returns:
+*	nothing
+*
+* Side effects:
+*
+* Call context:
+*	interrupt
+----------------------------------------------------------------*/
+void prism2sta_ev_alloc(wlandevice_t *wlandev)
+{
+	DBFENTER;
+
+	p80211netdev_wake_queue(wlandev);
+
+	DBFEXIT;
+	return;
+}
+
+#if (WLAN_HOSTIF == WLAN_PLX || WLAN_HOSTIF == WLAN_PCI)
+#ifdef CONFIG_PM
+static int prism2sta_suspend_pci(struct pci_dev *pdev, pm_message_t state)
+{
+       	wlandevice_t		*wlandev;
+
+	wlandev = (wlandevice_t *) pci_get_drvdata(pdev);
+
+	/* reset hardware */
+	if (wlandev) {
+		prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+		p80211_suspend(wlandev);
+	}
+
+	// call a netif_device_detach(wlandev->netdev) ?
+
+	return 0;
+}
+
+static int prism2sta_resume_pci (struct pci_dev *pdev)
+{
+       	wlandevice_t		*wlandev;
+
+	wlandev = (wlandevice_t *) pci_get_drvdata(pdev);
+
+	if (wlandev) {
+		prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
+		p80211_resume(wlandev);
+	}
+
+        return 0;
+}
+#endif
+#endif
+
+/*----------------------------------------------------------------
+* create_wlan
+*
+* Called at module init time.  This creates the wlandevice_t structure
+* and initializes it with relevant bits.
+*
+* Arguments:
+*	none
+*
+* Returns:
+*	the created wlandevice_t structure.
+*
+* Side effects:
+* 	also allocates the priv/hw structures.
+*
+* Call context:
+*	process thread
+*
+----------------------------------------------------------------*/
+static wlandevice_t *create_wlan(void)
+{
+        wlandevice_t    *wlandev = NULL;
+	hfa384x_t	*hw = NULL;
+
+      	/* Alloc our structures */
+	wlandev =	kmalloc(sizeof(wlandevice_t), GFP_KERNEL);
+	hw =		kmalloc(sizeof(hfa384x_t), GFP_KERNEL);
+
+	if (!wlandev || !hw) {
+		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
+		if (wlandev)	kfree(wlandev);
+		if (hw)		kfree(hw);
+		return NULL;
+	}
+
+	/* Clear all the structs */
+	memset(wlandev, 0, sizeof(wlandevice_t));
+	memset(hw, 0, sizeof(hfa384x_t));
+
+	/* Initialize the network device object. */
+	wlandev->nsdname = dev_info;
+	wlandev->msdstate = WLAN_MSD_HWPRESENT_PENDING;
+	wlandev->priv = hw;
+	wlandev->open = prism2sta_open;
+	wlandev->close = prism2sta_close;
+	wlandev->reset = prism2sta_reset;
+#ifdef CONFIG_PROC_FS
+	wlandev->nsd_proc_read = prism2sta_proc_read;
+#endif
+	wlandev->txframe = prism2sta_txframe;
+	wlandev->mlmerequest = prism2sta_mlmerequest;
+	wlandev->set_multicast_list = prism2sta_setmulticast;
+	wlandev->tx_timeout = hfa384x_tx_timeout;
+
+	wlandev->nsdcaps = P80211_NSDCAP_HWFRAGMENT |
+	                   P80211_NSDCAP_AUTOJOIN;
+
+	/* Initialize the device private data stucture. */
+        hw->dot11_desired_bss_type = 1;
+
+	return wlandev;
+}
+
+#ifdef CONFIG_PROC_FS
+static int
+prism2sta_proc_read(
+	char	*page,
+	char	**start,
+	off_t	offset,
+	int	count,
+	int	*eof,
+	void	*data)
+{
+	char	 *p = page;
+	wlandevice_t *wlandev = (wlandevice_t *) data;
+	hfa384x_t *hw = (hfa384x_t *) wlandev->priv;
+
+	UINT16 hwtype = 0;
+
+	DBFENTER;
+	if (offset != 0) {
+		*eof = 1;
+		goto exit;
+	}
+
+	// XXX 0x0001 for prism2.5/3, 0x0000 for prism2.
+	hwtype = BIT0;
+
+#if (WLAN_HOSTIF != WLAN_USB)
+	if (hw->isram16)
+		hwtype |= BIT1;
+#endif
+
+#if (WLAN_HOSTIF == WLAN_PCI)
+	hwtype |= BIT2;
+#endif
+
+#define PRISM2_CVS_ID "$Id: prism2sta.c 1826 2007-03-19 15:37:00Z pizza $"
+
+	p += sprintf(p, "# %s version %s (%s) '%s'\n\n",
+		     dev_info,
+		     WLAN_RELEASE, WLAN_BUILD_DATE, PRISM2_CVS_ID);
+
+	p += sprintf(p, "# nic h/w: id=0x%02x %d.%d.%d\n",
+		     hw->ident_nic.id, hw->ident_nic.major,
+		     hw->ident_nic.minor, hw->ident_nic.variant);
+
+	p += sprintf(p, "# pri f/w: id=0x%02x %d.%d.%d\n",
+		     hw->ident_pri_fw.id, hw->ident_pri_fw.major,
+		     hw->ident_pri_fw.minor, hw->ident_pri_fw.variant);
+
+	if (hw->ident_sta_fw.id == 0x1f) {
+		p += sprintf(p, "# sta f/w: id=0x%02x %d.%d.%d\n",
+			     hw->ident_sta_fw.id, hw->ident_sta_fw.major,
+			     hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
+	} else {
+		p += sprintf(p, "# ap f/w: id=0x%02x %d.%d.%d\n",
+			     hw->ident_sta_fw.id, hw->ident_sta_fw.major,
+			     hw->ident_sta_fw.minor, hw->ident_sta_fw.variant);
+	}
+
+#if (WLAN_HOSTIF != WLAN_USB)
+	p += sprintf(p, "# initial nic hw type, needed for SSF ramdl\n");
+	p += sprintf(p, "initnichw=%04x\n", hwtype);
+#endif
+
+ exit:
+	DBFEXIT;
+	return (p - page);
+}
+#endif
+
+void prism2sta_commsqual_defer(struct work_struct *data)
+{
+	hfa384x_t		*hw = container_of(data, struct hfa384x, commsqual_bh);
+        wlandevice_t            *wlandev = hw->wlandev;
+	hfa384x_bytestr32_t ssid;
+	int result = 0;
+
+	DBFENTER;
+
+	if (hw->wlandev->hwremoved)
+		goto done;
+
+	/* we don't care if we're in AP mode */
+	if ((wlandev->macmode == WLAN_MACMODE_NONE) ||
+	    (wlandev->macmode == WLAN_MACMODE_ESS_AP)) {
+		goto done;
+	}
+
+	/* It only makes sense to poll these in non-IBSS */
+	if (wlandev->macmode != WLAN_MACMODE_IBSS_STA) {
+		result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DBMCOMMSQUALITY,
+						&hw->qual,
+						HFA384x_RID_DBMCOMMSQUALITY_LEN);
+
+		if (result) {
+			WLAN_LOG_ERROR("error fetching commsqual\n");
+			goto done;
+		}
+
+		// qual.CQ_currBSS; // link
+		// ASL_currBSS;  // level
+		// qual.ANL_currFC; // noise
+
+		WLAN_LOG_DEBUG(3, "commsqual %d %d %d\n",
+			       hfa384x2host_16(hw->qual.CQ_currBSS),
+			       hfa384x2host_16(hw->qual.ASL_currBSS),
+			       hfa384x2host_16(hw->qual.ANL_currFC));
+	}
+
+	/* Lastly, we need to make sure the BSSID didn't change on us */
+	result = hfa384x_drvr_getconfig(hw,
+					HFA384x_RID_CURRENTBSSID,
+					wlandev->bssid, WLAN_BSSID_LEN);
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			       "getconfig(0x%02x) failed, result = %d\n",
+			       HFA384x_RID_CURRENTBSSID, result);
+		goto done;
+	}
+
+	result = hfa384x_drvr_getconfig(hw,
+					HFA384x_RID_CURRENTSSID,
+					&ssid, sizeof(ssid));
+	if ( result ) {
+		WLAN_LOG_DEBUG(1,
+			       "getconfig(0x%02x) failed, result = %d\n",
+			       HFA384x_RID_CURRENTSSID, result);
+		goto done;
+	}
+	prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *)&ssid,
+				(p80211pstrd_t *) &wlandev->ssid);
+
+
+	/* Reschedule timer */
+	mod_timer(&hw->commsqual_timer, jiffies + HZ);
+
+ done:
+	DBFEXIT;
+}
+
+void prism2sta_commsqual_timer(unsigned long data)
+{
+        hfa384x_t               *hw = (hfa384x_t *) data;
+
+	DBFENTER;
+
+	schedule_work(&hw->commsqual_bh);
+
+	DBFEXIT;
+}
diff --git a/drivers/staging/wlan-ng/version.h b/drivers/staging/wlan-ng/version.h
new file mode 100644
index 00000000000..305f8823944
--- /dev/null
+++ b/drivers/staging/wlan-ng/version.h
@@ -0,0 +1,64 @@
+/* src/include/wlan/version.h
+*
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+#ifndef _WLAN_VERSION_H
+#define _WLAN_VERSION_H
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
+/* WLAN_HOSTIF (generally set on the command line, not detected) */
+#define WLAN_NONE                       0
+#define WLAN_PCMCIA                     1
+#define WLAN_ISA                        2
+#define WLAN_PCI                        3
+#define WLAN_USB                        4
+#define WLAN_PLX                        5
+#define WLAN_SLAVE                      6
+#define WLAN_RELEASE	"0.2.8"
+#define WLAN_RELEASE_CODE 0x000208
+#define WLAN_BUILD_DATE "Thu Oct  2 11:04:42 PDT 2008"
+
+#endif
diff --git a/drivers/staging/wlan-ng/wlan_compat.h b/drivers/staging/wlan-ng/wlan_compat.h
new file mode 100644
index 00000000000..17026570708
--- /dev/null
+++ b/drivers/staging/wlan-ng/wlan_compat.h
@@ -0,0 +1,757 @@
+/* wlan_compat.h
+*
+* Types and macros to aid in portability
+*
+* Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
+* --------------------------------------------------------------------
+*
+* linux-wlan
+*
+*   The contents of this file are subject to the Mozilla Public
+*   License Version 1.1 (the "License"); you may not use this file
+*   except in compliance with the License. You may obtain a copy of
+*   the License at http://www.mozilla.org/MPL/
+*
+*   Software distributed under the License is distributed on an "AS
+*   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+*   implied. See the License for the specific language governing
+*   rights and limitations under the License.
+*
+*   Alternatively, the contents of this file may be used under the
+*   terms of the GNU Public License version 2 (the "GPL"), in which
+*   case the provisions of the GPL are applicable instead of the
+*   above.  If you wish to allow the use of your version of this file
+*   only under the terms of the GPL and not to allow others to use
+*   your version of this file under the MPL, indicate your decision
+*   by deleting the provisions above and replace them with the notice
+*   and other provisions required by the GPL.  If you do not delete
+*   the provisions above, a recipient may use your version of this
+*   file under either the MPL or the GPL.
+*
+* --------------------------------------------------------------------
+*
+* Inquiries regarding the linux-wlan Open Source project can be
+* made directly to:
+*
+* AbsoluteValue Systems Inc.
+* info@linux-wlan.com
+* http://www.linux-wlan.com
+*
+* --------------------------------------------------------------------
+*
+* Portions of the development of this software were funded by
+* Intersil Corporation as part of PRISM(R) chipset product development.
+*
+* --------------------------------------------------------------------
+*/
+
+#ifndef _WLAN_COMPAT_H
+#define _WLAN_COMPAT_H
+
+/*=============================================================*/
+/*------ Establish Platform Identity --------------------------*/
+/*=============================================================*/
+/* Key macros: */
+/* WLAN_CPU_FAMILY */
+	#define WLAN_Ix86			1
+	#define WLAN_PPC			2
+	#define WLAN_Ix96			3
+	#define WLAN_ARM			4
+	#define WLAN_ALPHA			5
+	#define WLAN_MIPS			6
+	#define WLAN_HPPA			7
+	#define WLAN_SPARC			8
+	#define WLAN_SH    			9
+	#define WLAN_x86_64                     10
+/* WLAN_SYSARCH */
+	#define WLAN_PCAT			1
+	#define WLAN_MBX			2
+	#define WLAN_RPX			3
+	#define WLAN_LWARCH			4
+	#define WLAN_PMAC			5
+	#define WLAN_SKIFF			6
+	#define WLAN_BITSY			7
+	#define WLAN_ALPHAARCH			7
+	#define WLAN_MIPSARCH			9
+	#define WLAN_HPPAARCH			10
+	#define WLAN_SPARCARCH			11
+	#define WLAN_SHARCH   			12
+
+/* Note: the PLX HOSTIF above refers to some vendors implementations for */
+/*       PCI.  It's a PLX chip that is a PCI to PCMCIA adapter, but it   */
+/*       isn't a real PCMCIA host interface adapter providing all the    */
+/*       card&socket services.                                           */
+
+#if (defined(CONFIG_PPC) || defined(CONFIG_8xx) || defined(__powerpc__))
+#ifndef __ppc__
+#define __ppc__
+#endif
+#endif
+
+#if defined(__KERNEL__)
+
+#ifndef AUTOCONF_INCLUDED
+#include <linux/config.h>
+#endif
+
+#if defined(__x86_64__)
+	#define WLAN_CPU_FAMILY		WLAN_x86_64
+	#define WLAN_SYSARCH		WLAN_PCAT
+#elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)
+	#define WLAN_CPU_FAMILY		WLAN_Ix86
+	#define WLAN_SYSARCH		WLAN_PCAT
+#elif defined(__ppc__)
+	#define WLAN_CPU_FAMILY		WLAN_PPC
+	#if defined(CONFIG_MBX)
+		#define WLAN_SYSARCH	WLAN_MBX
+	#elif defined(CONFIG_RPXLITE)
+		#define WLAN_SYSARCH	WLAN_RPX
+	#elif defined(CONFIG_RPXCLASSIC)
+		#define WLAN_SYSARCH	WLAN_RPX
+	#else
+		#define WLAN_SYSARCH	WLAN_PMAC
+	#endif
+#elif defined(__arm__)
+	#define WLAN_CPU_FAMILY		WLAN_ARM
+	#define WLAN_SYSARCH		WLAN_SKIFF
+#elif defined(__alpha__)
+	#define WLAN_CPU_FAMILY		WLAN_ALPHA
+	#define WLAN_SYSARCH		WLAN_ALPHAARCH
+#elif defined(__mips__)
+	#define WLAN_CPU_FAMILY		WLAN_MIPS
+	#define WLAN_SYSARCH		WLAN_MIPSARCH
+#elif defined(__hppa__)
+	#define WLAN_CPU_FAMILY		WLAN_HPPA
+	#define WLAN_SYSARCH		WLAN_HPPAARCH
+#elif defined(__sparc__)
+        #define WLAN_CPU_FAMILY         WLAN_SPARC
+        #define WLAN_SYSARCH            WLAN_SPARC
+#elif defined(__sh__)
+        #define WLAN_CPU_FAMILY         WLAN_SH
+        #define WLAN_SYSARCH            WLAN_SHARCH
+        #ifndef __LITTLE_ENDIAN__
+        #define __LITTLE_ENDIAN__
+        #endif
+#else
+	#error "No CPU identified!"
+#endif
+#endif /* __KERNEL__ */
+
+/*
+   Some big endian machines implicitly do all I/O in little endian mode.
+
+   In particular:
+          Linux/PPC on PowerMacs (PCI)
+	  Arm/Intel Xscale (PCI)
+
+   This may also affect PLX boards and other BE &| PPC platforms;
+   as new ones are discovered, add them below.
+*/
+
+#if defined(WLAN_HOSTIF)
+#if ((WLAN_HOSTIF == WLAN_PCI) || (WLAN_HOSTIF == WLAN_PLX))
+#if ((WLAN_SYSARCH == WLAN_SKIFF) || (WLAN_SYSARCH == WLAN_PMAC) || (WLAN_SYSARCH == WLAN_SPARC))
+#define REVERSE_ENDIAN
+#endif
+#endif
+#endif
+
+/*=============================================================*/
+/*------ Bit settings -----------------------------------------*/
+/*=============================================================*/
+
+#define BIT0	0x00000001
+#define BIT1	0x00000002
+#define BIT2	0x00000004
+#define BIT3	0x00000008
+#define BIT4	0x00000010
+#define BIT5	0x00000020
+#define BIT6	0x00000040
+#define BIT7	0x00000080
+#define BIT8	0x00000100
+#define BIT9	0x00000200
+#define BIT10	0x00000400
+#define BIT11	0x00000800
+#define BIT12	0x00001000
+#define BIT13	0x00002000
+#define BIT14	0x00004000
+#define BIT15	0x00008000
+#define BIT16	0x00010000
+#define BIT17	0x00020000
+#define BIT18	0x00040000
+#define BIT19	0x00080000
+#define BIT20	0x00100000
+#define BIT21	0x00200000
+#define BIT22	0x00400000
+#define BIT23	0x00800000
+#define BIT24	0x01000000
+#define BIT25	0x02000000
+#define BIT26	0x04000000
+#define BIT27	0x08000000
+#define BIT28	0x10000000
+#define BIT29	0x20000000
+#define BIT30	0x40000000
+#define BIT31	0x80000000
+
+#include <linux/types.h>
+
+typedef u_int8_t	UINT8;
+typedef u_int16_t	UINT16;
+typedef u_int32_t	UINT32;
+
+typedef int8_t		INT8;
+typedef int16_t		INT16;
+typedef int32_t		INT32;
+
+typedef unsigned int    UINT;
+typedef signed int      INT;
+
+typedef u_int64_t	UINT64;
+typedef int64_t		INT64;
+
+#define UINT8_MAX	(0xffUL)
+#define UINT16_MAX	(0xffffUL)
+#define UINT32_MAX	(0xffffffffUL)
+
+#define INT8_MAX	(0x7fL)
+#define INT16_MAX	(0x7fffL)
+#define INT32_MAX	(0x7fffffffL)
+
+/*=============================================================*/
+/*------ Compiler Portability Macros --------------------------*/
+/*=============================================================*/
+#define __WLAN_ATTRIB_PACK__		__attribute__ ((packed))
+
+/*=============================================================*/
+/*------ OS Portability Macros --------------------------------*/
+/*=============================================================*/
+
+#ifndef WLAN_DBVAR
+#define WLAN_DBVAR	wlan_debug
+#endif
+
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
+#  if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,8))
+#    include <linux/hardirq.h>
+#  else
+#    include <asm/hardirq.h>
+#  endif
+#elif defined(__KERNEL__)
+#  define PREEMPT_MASK  (0x000000FFUL)
+#  define preempt_count() (0UL)
+#endif
+
+#define WLAN_LOG_ERROR(x,args...) printk(KERN_ERR "%s: " x , __FUNCTION__ , ##args);
+
+#define WLAN_LOG_WARNING(x,args...) printk(KERN_WARNING "%s: " x , __FUNCTION__ , ##args);
+
+#define WLAN_LOG_NOTICE(x,args...) printk(KERN_NOTICE "%s: " x , __FUNCTION__ , ##args);
+
+#define WLAN_LOG_INFO(args... ) printk(KERN_INFO args)
+
+#if defined(WLAN_INCLUDE_DEBUG)
+	#define WLAN_ASSERT(c) if ((!(c)) && WLAN_DBVAR >= 1) { \
+		WLAN_LOG_DEBUG(1, "Assertion failure!\n"); }
+	#define WLAN_HEX_DUMP( l, x, p, n)	if( WLAN_DBVAR >= (l) ){ \
+		int __i__; \
+		printk(KERN_DEBUG x ":"); \
+		for( __i__=0; __i__ < (n); __i__++) \
+			printk( " %02x", ((UINT8*)(p))[__i__]); \
+		printk("\n"); }
+	#define DBFENTER { if ( WLAN_DBVAR >= 5 ){ WLAN_LOG_DEBUG(3,"---->\n"); } }
+	#define DBFEXIT  { if ( WLAN_DBVAR >= 5 ){ WLAN_LOG_DEBUG(3,"<----\n"); } }
+
+	#define WLAN_LOG_DEBUG(l,x,args...) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s(%lu): " x ,  __FUNCTION__, (preempt_count() & PREEMPT_MASK), ##args );
+#else
+	#define WLAN_ASSERT(c)
+	#define WLAN_HEX_DUMP( l, s, p, n)
+	#define DBFENTER
+	#define DBFEXIT
+
+	#define WLAN_LOG_DEBUG(l, s, args...)
+#endif
+
+#ifdef CONFIG_SMP
+#define __SMP__			1
+#endif
+
+#if defined(__KERNEL__)
+
+#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)))
+#define URB_ONLY_CALLBACK
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19))
+#define PT_REGS    , struct pt_regs *regs
+#else
+#define PT_REGS
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7))
+#  define del_singleshot_timer_sync(a)  del_timer_sync(a)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,17))
+#define CONFIG_NETLINK		1
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0))
+#define kfree_s(a, b)	kfree((a))
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,18))
+#ifndef init_waitqueue_head
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,0,16))
+#define init_waitqueue_head(p)  (*(p) = NULL)
+#else
+#define init_waitqueue_head(p)  init_waitqueue(p)
+#endif
+typedef struct wait_queue *wait_queue_head_t;
+typedef struct wait_queue wait_queue_t;
+#define set_current_state(b)  { current->state = (b); mb(); }
+#define init_waitqueue_entry(a, b) { (a)->task = current; }
+#endif
+#endif
+
+#ifndef wait_event_interruptible_timeout
+// retval == 0; signal met; we're good.
+// retval < 0; interrupted by signal.
+// retval > 0; timed out.
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0))  // fixme?
+
+#define __wait_event_interruptible_timeout(wq, condition, ret)            \
+do {                                                                      \
+          wait_queue_t __wait;                                            \
+          init_waitqueue_entry(&__wait, current);                         \
+	                                                                  \
+          add_wait_queue(&wq, &__wait);                                   \
+          for (;;) {                                                      \
+                  set_current_state(TASK_INTERRUPTIBLE);                  \
+                  if (condition)                                          \
+                          break;                                          \
+                  if (!signal_pending(current)) {                         \
+                          ret = schedule_timeout(ret)    ;                \
+                          if (!ret)                                       \
+                                 break;                                   \
+                          continue;                                       \
+                  }                                                       \
+                  ret = -ERESTARTSYS;                                     \
+                  break;                                                  \
+          }                                                               \
+          set_current_state(TASK_RUNNING);                                \
+          remove_wait_queue(&wq, &__wait);                                \
+} while (0)
+
+#else // 2.2
+
+
+#define __wait_event_interruptible_timeout(wq, condition, ret)          \
+do {                                                                    \
+        struct wait_queue __wait;                                       \
+                                                                        \
+        __wait.task = current;                                          \
+        add_wait_queue(&wq, &__wait);                                   \
+        for (;;) {                                                      \
+                current->state = TASK_INTERRUPTIBLE;                    \
+                if (condition)                                          \
+                        break;                                          \
+                if (!signal_pending(current)) {                         \
+                        ret = schedule_timeout(ret);                    \
+                        if (!ret)                                       \
+                               break;                                   \
+                        continue;                                       \
+                }                                                       \
+                ret = -ERESTARTSYS;                                     \
+                break;                                                  \
+        }                                                               \
+        current->state = TASK_RUNNING;                                  \
+        remove_wait_queue(&wq, &__wait);                                \
+} while (0)
+
+#endif  // version >= 2.4
+
+#define wait_event_interruptible_timeout(wq, condition, timeout)	  \
+({									  \
+	long __ret = timeout;						  \
+	if (!(condition))						  \
+		__wait_event_interruptible_timeout(wq, condition, __ret); \
+	__ret;								  \
+})
+
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
+#ifdef _LINUX_LIST_H
+
+static inline void list_move_tail(struct list_head *list,
+          struct list_head *head)
+{
+        __list_del(list->prev, list->next);
+        list_add_tail(list, head);
+}
+
+static inline void __list_splice(struct list_head *list,
+				 struct list_head *head)
+{
+      struct list_head *first = list->next;
+      struct list_head *last = list->prev;
+      struct list_head *at = head->next;
+
+      first->prev = head;
+      head->next = first;
+
+      last->next = at;
+      at->prev = last;
+}
+
+static inline void list_move(struct list_head *list, struct list_head *head)
+{
+      __list_del(list->prev, list->next);
+      list_add(list, head);
+}
+
+static inline void list_splice_init(struct list_head *list,
+            struct list_head *head)
+{
+	if (!list_empty(list)) {
+		__list_splice(list, head);
+		INIT_LIST_HEAD(list);
+	}
+}
+
+
+#endif  // LIST_H
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,90))
+#define spin_lock(l)            do { } while (0)
+#define spin_unlock(l)          do { } while (0)
+#define spin_lock_irqsave(l,f)  do { save_flags(f); cli(); } while (0)
+#define spin_unlock_irqrestore(l,f) do { restore_flags(f); } while (0)
+#define spin_lock_init(s)       do { } while (0)
+#define spin_trylock(l)         (1)
+typedef int spinlock_t;
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)) // XXX ???
+#define spin_lock_bh         spin_lock
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
+#ifdef CONFIG_SMP
+#define spin_is_locked(x)       (*(volatile char *)(&(x)->lock) <= 0)
+#else
+#define spin_is_locked(l)       (0)
+#endif
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,28))
+#define __user
+#define __iomem
+#endif
+
+#ifdef _LINUX_PROC_FS_H
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,25))
+
+extern inline struct proc_dir_entry *
+create_proc_read_entry(const char *name, mode_t mode,
+                       struct proc_dir_entry *base,
+                       read_proc_t *read_proc, void *data)
+{
+    struct proc_dir_entry *res = create_proc_entry(name, mode, base);
+    if (res) {
+        res->read_proc = read_proc;
+        res->data = data;
+    }
+    return res;
+}
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,29))
+#ifndef proc_mkdir
+#define proc_mkdir(name, root) create_proc_entry(name, S_IFDIR, root)
+#endif
+#endif
+#endif /* _LINUX_PROC_FS_H */
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+#ifndef INIT_TQUEUE
+#define PREPARE_TQUEUE(_tq, _routine, _data)                    \
+        do {                                                    \
+                (_tq)->routine = _routine;                      \
+                (_tq)->data = _data;                            \
+        } while (0)
+#define INIT_TQUEUE(_tq, _routine, _data)                       \
+        do {                                                    \
+                INIT_LIST_HEAD(&(_tq)->list);                   \
+                (_tq)->sync = 0;                                \
+                PREPARE_TQUEUE((_tq), (_routine), (_data));     \
+        } while (0)
+#endif
+
+#ifndef container_of
+#define container_of(ptr, type, member) ({			\
+        const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
+        (type *)( (char *)__mptr - offsetof(type,member) );})
+#endif
+
+#ifndef INIT_WORK
+#define work_struct tq_struct
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
+#define schedule_work(a)   queue_task(a, &tq_scheduler)
+#else
+#define schedule_work(a)  schedule_task(a)
+#endif
+
+#define flush_scheduled_work  flush_scheduled_tasks
+#define INIT_WORK2(_wq, _routine)  INIT_TQUEUE(_wq, (void (*)(void *))_routine, _wq)
+#endif
+
+#else // >= 2.5 kernel
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+#define INIT_WORK2(_wq, _routine)	INIT_WORK(_wq, (void (*)(void *))_routine, _wq)
+#else
+#define INIT_WORK2(_wq, _routine)	INIT_WORK(_wq, _routine)
+#endif
+
+#endif // >= 2.5 kernel
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38))
+typedef struct device netdevice_t;
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,4))
+typedef struct net_device netdevice_t;
+#else
+#undef netdevice_t
+typedef struct net_device netdevice_t;
+#endif
+
+#ifdef WIRELESS_EXT
+#if (WIRELESS_EXT < 13)
+struct iw_request_info
+{
+        __u16           cmd;            /* Wireless Extension command */
+        __u16           flags;          /* More to come ;-) */
+};
+#endif
+#endif
+
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,18))
+#define MODULE_PARM(a,b)        extern int __bogus_decl
+#define MODULE_AUTHOR(a)        extern int __bogus_decl
+#define MODULE_DESCRIPTION(a)   extern int __bogus_decl
+#define MODULE_SUPPORTED_DEVICE(a) extern int __bogus_decl
+#undef  GET_USE_COUNT
+#define GET_USE_COUNT(m)        mod_use_count_
+#endif
+
+#ifndef MODULE_OWNER
+#define MODULE_OWNER(a)         extern int __bogus_decl
+#define ANCIENT_MODULE_CODE
+#endif
+
+#ifndef MODULE_LICENSE
+#define MODULE_LICENSE(m)       extern int __bogus_decl
+#endif
+
+/* TODO:  Do we care about this? */
+#ifndef MODULE_DEVICE_TABLE
+#define MODULE_DEVICE_TABLE(foo,bar)
+#endif
+
+#define wlan_minutes2ticks(a) ((a)*(wlan_ticks_per_sec *  60))
+#define wlan_seconds2ticks(a) ((a)*(wlan_ticks_per_sec))
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,47))
+#define NEW_MODULE_CODE
+#ifdef ANCIENT_MODULE_CODE
+#undef ANCIENT_MODULE_CODE
+#endif
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,25))
+#define module_param(name, type, perm)                                       \
+        static inline void *__check_existence_##name(void) { return &name; } \
+        MODULE_PARM(name, _MODULE_PARM_STRING_ ## type)
+
+#define _MODULE_PARM_STRING_byte "b"
+#define _MODULE_PARM_STRING_short "h"
+#define _MODULE_PARM_STRING_ushort "h"
+#define _MODULE_PARM_STRING_int "i"
+#define _MODULE_PARM_STRING_uint "i"
+#define _MODULE_PARM_STRING_long "l"
+#define _MODULE_PARM_STRING_ulong "l"
+#define _MODULE_PARM_STRING_bool "i"
+#endif
+
+/* linux < 2.5.69 */
+#ifndef IRQ_NONE
+typedef void irqreturn_t;
+#define IRQ_NONE
+#define IRQ_HANDLED
+#define IRQ_RETVAL(x)
+#endif
+
+#ifndef in_atomic
+#define in_atomic()  0
+#endif
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13))
+#define URB_ASYNC_UNLINK 0
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7))
+#define URB_ASYNC_UNLINK  USB_ASYNC_UNLINK
+#define usb_fill_bulk_urb  FILL_BULK_URB
+#define usb_kill_urb  usb_unlink_urb
+#else
+#define USB_QUEUE_BULK 0
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11))
+typedef u32 pm_message_t;
+#endif
+
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9))
+#define hotplug_path  "/etc/hotplug/wlan.agent"
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
+#define free_netdev(x)       kfree(x)
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9))
+#define eth_hdr(x)           (x)->mac.ethernet
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
+#define del_timer_sync(a)       del_timer(a)
+#endif
+
+#ifndef might_sleep
+#define might_sleep(a)   do { } while (0)
+#endif
+
+/* Apparently 2.4.2 ethtool is quite different, maybe newer too? */
+#if (defined(SIOETHTOOL) && !defined(ETHTOOL_GDRVINFO))
+#undef SIOETHTOOL
+#endif
+
+// pcmcia-cs stuff
+#if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) && \
+     !defined(pcmcia_access_configuration_register))
+#define pcmcia_access_configuration_register(handle, reg) \
+        CardServices(AccessConfigurationRegister, handle, reg)
+#define pcmcia_register_client(handle, reg) \
+        CardServices(RegisterClient, handle, reg)
+#define pcmcia_deregister_client(handle) \
+        CardServices(DeregisterClient, handle)
+#define pcmcia_get_first_tuple(handle, tuple) \
+        CardServices(GetFirstTuple, handle, tuple)
+#define pcmcia_get_next_tuple(handle, tuple) \
+        CardServices(GetNextTuple, handle, tuple)
+#define pcmcia_get_tuple_data(handle, tuple) \
+        CardServices(GetTupleData, handle, tuple)
+#define pcmcia_parse_tuple(handle, tuple, parse) \
+        CardServices(ParseTuple, handle, tuple, parse)
+#define pcmcia_get_configuration_info(handle, config) \
+        CardServices(GetConfigurationInfo, handle, config)
+#define pcmcia_request_io(handle, req) \
+        CardServices(RequestIO, handle, req)
+#define pcmcia_request_irq(handle, req) \
+        CardServices(RequestIRQ, handle, req)
+#define pcmcia_request_configuration(handle, req) \
+        CardServices(RequestConfiguration, handle, req)
+#define pcmcia_release_configuration(handle) \
+        CardServices(ReleaseConfiguration, handle)
+#define pcmcia_release_io(handle, req) \
+        CardServices(ReleaseIO, handle, req)
+#define pcmcia_release_irq(handle, req) \
+        CardServices(ReleaseIRQ, handle, req)
+#define pcmcia_release_window(win) \
+        CardServices(ReleaseWindow, win)
+#define pcmcia_get_card_services_info(info) \
+        CardServices(GetCardServicesInfo, info)
+#define pcmcia_report_error(handle, err) \
+        CardServices(ReportError, handle, err)
+#endif
+
+#endif /* __KERNEL__ */
+
+/*=============================================================*/
+/*------ Hardware Portability Macros --------------------------*/
+/*=============================================================*/
+
+#define ieee2host16(n)	__le16_to_cpu(n)
+#define ieee2host32(n)	__le32_to_cpu(n)
+#define host2ieee16(n)	__cpu_to_le16(n)
+#define host2ieee32(n)	__cpu_to_le32(n)
+
+#if (WLAN_CPU_FAMILY != WLAN_MIPS)
+typedef UINT32 phys_t;
+#endif
+
+#if (WLAN_CPU_FAMILY == WLAN_PPC)
+       #define wlan_inw(a)                     in_be16((unsigned short *)((a)+_IO_BASE))
+       #define wlan_inw_le16_to_cpu(a)         inw((a))
+       #define wlan_outw(v,a)                  out_be16((unsigned short *)((a)+_IO_BASE), (v))
+       #define wlan_outw_cpu_to_le16(v,a)      outw((v),(a))
+#else
+       #define wlan_inw(a)                     inw((a))
+       #define wlan_inw_le16_to_cpu(a)         __cpu_to_le16(inw((a)))
+       #define wlan_outw(v,a)                  outw((v),(a))
+       #define wlan_outw_cpu_to_le16(v,a)      outw(__cpu_to_le16((v)),(a))
+#endif
+
+/*=============================================================*/
+/*--- General Macros ------------------------------------------*/
+/*=============================================================*/
+
+#define wlan_max(a, b) (((a) > (b)) ? (a) : (b))
+#define wlan_min(a, b) (((a) < (b)) ? (a) : (b))
+
+#define wlan_isprint(c)	(((c) > (0x19)) && ((c) < (0x7f)))
+
+#define wlan_hexchar(x) (((x) < 0x0a) ? ('0' + (x)) : ('a' + ((x) - 0x0a)))
+
+/* Create a string of printable chars from something that might not be */
+/* It's recommended that the str be 4*len + 1 bytes long */
+#define wlan_mkprintstr(buf, buflen, str, strlen) \
+{ \
+	int i = 0; \
+	int j = 0; \
+	memset(str, 0, (strlen)); \
+	for (i = 0; i < (buflen); i++) { \
+		if ( wlan_isprint((buf)[i]) ) { \
+			(str)[j] = (buf)[i]; \
+			j++; \
+		} else { \
+			(str)[j] = '\\'; \
+			(str)[j+1] = 'x'; \
+			(str)[j+2] = wlan_hexchar(((buf)[i] & 0xf0) >> 4); \
+			(str)[j+3] = wlan_hexchar(((buf)[i] & 0x0f)); \
+			j += 4; \
+		} \
+	} \
+}
+
+/*=============================================================*/
+/*--- Variables -----------------------------------------------*/
+/*=============================================================*/
+
+#ifdef WLAN_INCLUDE_DEBUG
+extern int wlan_debug;
+#endif
+
+extern int wlan_ethconv;		/* What's the default ethconv? */
+
+/*=============================================================*/
+/*--- Functions -----------------------------------------------*/
+/*=============================================================*/
+#endif /* _WLAN_COMPAT_H */
+
-- 
GitLab


From 10602db812fa270fc923f5e48fb47202288828f3 Mon Sep 17 00:00:00 2001
From: David Rowe <david@rowetel.com>
Date: Mon, 6 Oct 2008 21:41:46 -0700
Subject: [PATCH 0349/2224] Staging: add echo cancelation module

This is used by mISDN and Zaptel drivers.

From: Steve Underwood <steveu@coppice.org>
From: David Rowe <david@rowetel.com>
Cc: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig               |   2 +
 drivers/staging/Makefile              |   1 +
 drivers/staging/echo/Kconfig          |   9 +
 drivers/staging/echo/Makefile         |   1 +
 drivers/staging/echo/TODO             |  10 +
 drivers/staging/echo/bit_operations.h | 253 +++++++++++
 drivers/staging/echo/echo.c           | 632 ++++++++++++++++++++++++++
 drivers/staging/echo/echo.h           | 220 +++++++++
 drivers/staging/echo/fir.h            | 369 +++++++++++++++
 drivers/staging/echo/mmx.h            | 288 ++++++++++++
 10 files changed, 1785 insertions(+)
 create mode 100644 drivers/staging/echo/Kconfig
 create mode 100644 drivers/staging/echo/Makefile
 create mode 100644 drivers/staging/echo/TODO
 create mode 100644 drivers/staging/echo/bit_operations.h
 create mode 100644 drivers/staging/echo/echo.c
 create mode 100644 drivers/staging/echo/echo.h
 create mode 100644 drivers/staging/echo/fir.h
 create mode 100644 drivers/staging/echo/mmx.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 762b471fded..25338b7eac9 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -39,4 +39,6 @@ source "drivers/staging/winbond/Kconfig"
 
 source "drivers/staging/wlan-ng/Kconfig"
 
+source "drivers/staging/echo/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 574198479d6..93decb89b1d 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -8,3 +8,4 @@ obj-$(CONFIG_VIDEO_GO7007)	+= go7007/
 obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
 obj-$(CONFIG_W35UND)		+= winbond/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
+obj-$(CONFIG_ECHO)		+= echo/
diff --git a/drivers/staging/echo/Kconfig b/drivers/staging/echo/Kconfig
new file mode 100644
index 00000000000..f1d41ea9cd4
--- /dev/null
+++ b/drivers/staging/echo/Kconfig
@@ -0,0 +1,9 @@
+config ECHO
+	tristate "Line Echo Canceller support"
+	default n
+	---help---
+	  This driver provides line echo cancelling support for mISDN and
+	  Zaptel drivers.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called echo.
diff --git a/drivers/staging/echo/Makefile b/drivers/staging/echo/Makefile
new file mode 100644
index 00000000000..7d4caac12a8
--- /dev/null
+++ b/drivers/staging/echo/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_ECHO) += echo.o
diff --git a/drivers/staging/echo/TODO b/drivers/staging/echo/TODO
new file mode 100644
index 00000000000..1ca09afd603
--- /dev/null
+++ b/drivers/staging/echo/TODO
@@ -0,0 +1,10 @@
+TODO:
+	- checkpatch.pl cleanups
+	- Lindent
+	- typedef removals
+	- handle bit_operations.h (merge in or make part of common code?)
+	- remove proc interface, only use echo.h interface (proc interface is
+	  racy and not correct.)
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com> and Cc: Steve
+Underwood <steveu@coppice.org> and David Rowe <david@rowetel.com>
diff --git a/drivers/staging/echo/bit_operations.h b/drivers/staging/echo/bit_operations.h
new file mode 100644
index 00000000000..b32f4bf9939
--- /dev/null
+++ b/drivers/staging/echo/bit_operations.h
@@ -0,0 +1,253 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * bit_operations.h - Various bit level operations, such as bit reversal
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2006 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: bit_operations.h,v 1.11 2006/11/28 15:37:03 steveu Exp $
+ */
+
+/*! \file */
+
+#if !defined(_BIT_OPERATIONS_H_)
+#define _BIT_OPERATIONS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(__i386__)  ||  defined(__x86_64__)
+/*! \brief Find the bit position of the highest set bit in a word
+    \param bits The word to be searched
+    \return The bit number of the highest set bit, or -1 if the word is zero. */
+static __inline__ int top_bit(unsigned int bits)
+{
+    int res;
+
+    __asm__ (" xorl %[res],%[res];\n"
+             " decl %[res];\n"
+             " bsrl %[bits],%[res]\n"
+             : [res] "=&r" (res)
+             : [bits] "rm" (bits));
+    return res;
+}
+/*- End of function --------------------------------------------------------*/
+
+/*! \brief Find the bit position of the lowest set bit in a word
+    \param bits The word to be searched
+    \return The bit number of the lowest set bit, or -1 if the word is zero. */
+static __inline__ int bottom_bit(unsigned int bits)
+{
+    int res;
+
+    __asm__ (" xorl %[res],%[res];\n"
+             " decl %[res];\n"
+             " bsfl %[bits],%[res]\n"
+             : [res] "=&r" (res)
+             : [bits] "rm" (bits));
+    return res;
+}
+/*- End of function --------------------------------------------------------*/
+#else
+static __inline__ int top_bit(unsigned int bits)
+{
+    int i;
+
+    if (bits == 0)
+        return -1;
+    i = 0;
+    if (bits & 0xFFFF0000)
+    {
+        bits &= 0xFFFF0000;
+        i += 16;
+    }
+    if (bits & 0xFF00FF00)
+    {
+        bits &= 0xFF00FF00;
+        i += 8;
+    }
+    if (bits & 0xF0F0F0F0)
+    {
+        bits &= 0xF0F0F0F0;
+        i += 4;
+    }
+    if (bits & 0xCCCCCCCC)
+    {
+        bits &= 0xCCCCCCCC;
+        i += 2;
+    }
+    if (bits & 0xAAAAAAAA)
+    {
+        bits &= 0xAAAAAAAA;
+        i += 1;
+    }
+    return i;
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ int bottom_bit(unsigned int bits)
+{
+    int i;
+
+    if (bits == 0)
+        return -1;
+    i = 32;
+    if (bits & 0x0000FFFF)
+    {
+        bits &= 0x0000FFFF;
+        i -= 16;
+    }
+    if (bits & 0x00FF00FF)
+    {
+        bits &= 0x00FF00FF;
+        i -= 8;
+    }
+    if (bits & 0x0F0F0F0F)
+    {
+        bits &= 0x0F0F0F0F;
+        i -= 4;
+    }
+    if (bits & 0x33333333)
+    {
+        bits &= 0x33333333;
+        i -= 2;
+    }
+    if (bits & 0x55555555)
+    {
+        bits &= 0x55555555;
+        i -= 1;
+    }
+    return i;
+}
+/*- End of function --------------------------------------------------------*/
+#endif
+
+/*! \brief Bit reverse a byte.
+    \param data The byte to be reversed.
+    \return The bit reversed version of data. */
+static __inline__ uint8_t bit_reverse8(uint8_t x)
+{
+#if defined(__i386__)  ||  defined(__x86_64__)
+    /* If multiply is fast */
+    return ((x*0x0802U & 0x22110U) | (x*0x8020U & 0x88440U))*0x10101U >> 16;
+#else
+    /* If multiply is slow, but we have a barrel shifter */
+    x = (x >> 4) | (x << 4);
+    x = ((x & 0xCC) >> 2) | ((x & 0x33) << 2);
+    return ((x & 0xAA) >> 1) | ((x & 0x55) << 1);
+#endif
+}
+/*- End of function --------------------------------------------------------*/
+
+/*! \brief Bit reverse a 16 bit word.
+    \param data The word to be reversed.
+    \return The bit reversed version of data. */
+uint16_t bit_reverse16(uint16_t data);
+
+/*! \brief Bit reverse a 32 bit word.
+    \param data The word to be reversed.
+    \return The bit reversed version of data. */
+uint32_t bit_reverse32(uint32_t data);
+
+/*! \brief Bit reverse each of the four bytes in a 32 bit word.
+    \param data The word to be reversed.
+    \return The bit reversed version of data. */
+uint32_t bit_reverse_4bytes(uint32_t data);
+
+/*! \brief Find the number of set bits in a 32 bit word.
+    \param x The word to be searched.
+    \return The number of set bits. */
+int one_bits32(uint32_t x);
+
+/*! \brief Create a mask as wide as the number in a 32 bit word.
+    \param x The word to be searched.
+    \return The mask. */
+uint32_t make_mask32(uint32_t x);
+
+/*! \brief Create a mask as wide as the number in a 16 bit word.
+    \param x The word to be searched.
+    \return The mask. */
+uint16_t make_mask16(uint16_t x);
+
+/*! \brief Find the least significant one in a word, and return a word
+           with just that bit set.
+    \param x The word to be searched.
+    \return The word with the single set bit. */
+static __inline__ uint32_t least_significant_one32(uint32_t x)
+{
+    return (x & (-(int32_t) x));
+}
+/*- End of function --------------------------------------------------------*/
+
+/*! \brief Find the most significant one in a word, and return a word
+           with just that bit set.
+    \param x The word to be searched.
+    \return The word with the single set bit. */
+static __inline__ uint32_t most_significant_one32(uint32_t x)
+{
+#if defined(__i386__)  ||  defined(__x86_64__)
+    return 1 << top_bit(x);
+#else
+    x = make_mask32(x);
+    return (x ^ (x >> 1));
+#endif
+}
+/*- End of function --------------------------------------------------------*/
+
+/*! \brief Find the parity of a byte.
+    \param x The byte to be checked.
+    \return 1 for odd, or 0 for even. */
+static __inline__ int parity8(uint8_t x)
+{
+    x = (x ^ (x >> 4)) & 0x0F;
+    return (0x6996 >> x) & 1;
+}
+/*- End of function --------------------------------------------------------*/
+
+/*! \brief Find the parity of a 16 bit word.
+    \param x The word to be checked.
+    \return 1 for odd, or 0 for even. */
+static __inline__ int parity16(uint16_t x)
+{
+    x ^= (x >> 8);
+    x = (x ^ (x >> 4)) & 0x0F;
+    return (0x6996 >> x) & 1;
+}
+/*- End of function --------------------------------------------------------*/
+
+/*! \brief Find the parity of a 32 bit word.
+    \param x The word to be checked.
+    \return 1 for odd, or 0 for even. */
+static __inline__ int parity32(uint32_t x)
+{
+    x ^= (x >> 16);
+    x ^= (x >> 8);
+    x = (x ^ (x >> 4)) & 0x0F;
+    return (0x6996 >> x) & 1;
+}
+/*- End of function --------------------------------------------------------*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/*- End of file ------------------------------------------------------------*/
diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
new file mode 100644
index 00000000000..4a281b14fc5
--- /dev/null
+++ b/drivers/staging/echo/echo.c
@@ -0,0 +1,632 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * echo.c - A line echo canceller.  This code is being developed
+ *          against and partially complies with G168.
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *         and David Rowe <david_at_rowetel_dot_com>
+ *
+ * Copyright (C) 2001, 2003 Steve Underwood, 2007 David Rowe
+ *
+ * Based on a bit from here, a bit from there, eye of toad, ear of
+ * bat, 15 years of failed attempts by David and a few fried brain
+ * cells.
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: echo.c,v 1.20 2006/12/01 18:00:48 steveu Exp $
+ */
+
+/*! \file */
+
+/* Implementation Notes
+   David Rowe
+   April 2007
+
+   This code started life as Steve's NLMS algorithm with a tap
+   rotation algorithm to handle divergence during double talk.  I
+   added a Geigel Double Talk Detector (DTD) [2] and performed some
+   G168 tests.  However I had trouble meeting the G168 requirements,
+   especially for double talk - there were always cases where my DTD
+   failed, for example where near end speech was under the 6dB
+   threshold required for declaring double talk.
+
+   So I tried a two path algorithm [1], which has so far given better
+   results.  The original tap rotation/Geigel algorithm is available
+   in SVN http://svn.rowetel.com/software/oslec/tags/before_16bit.
+   It's probably possible to make it work if some one wants to put some
+   serious work into it.
+
+   At present no special treatment is provided for tones, which
+   generally cause NLMS algorithms to diverge.  Initial runs of a
+   subset of the G168 tests for tones (e.g ./echo_test 6) show the
+   current algorithm is passing OK, which is kind of surprising.  The
+   full set of tests needs to be performed to confirm this result.
+
+   One other interesting change is that I have managed to get the NLMS
+   code to work with 16 bit coefficients, rather than the original 32
+   bit coefficents.  This reduces the MIPs and storage required.
+   I evaulated the 16 bit port using g168_tests.sh and listening tests
+   on 4 real-world samples.
+
+   I also attempted the implementation of a block based NLMS update
+   [2] but although this passes g168_tests.sh it didn't converge well
+   on the real-world samples.  I have no idea why, perhaps a scaling
+   problem.  The block based code is also available in SVN
+   http://svn.rowetel.com/software/oslec/tags/before_16bit.  If this
+   code can be debugged, it will lead to further reduction in MIPS, as
+   the block update code maps nicely onto DSP instruction sets (it's a
+   dot product) compared to the current sample-by-sample update.
+
+   Steve also has some nice notes on echo cancellers in echo.h
+
+
+   References:
+
+   [1] Ochiai, Areseki, and Ogihara, "Echo Canceller with Two Echo
+       Path Models", IEEE Transactions on communications, COM-25,
+       No. 6, June
+       1977.
+       http://www.rowetel.com/images/echo/dual_path_paper.pdf
+
+   [2] The classic, very useful paper that tells you how to
+       actually build a real world echo canceller:
+         Messerschmitt, Hedberg, Cole, Haoui, Winship, "Digital Voice
+         Echo Canceller with a TMS320020,
+         http://www.rowetel.com/images/echo/spra129.pdf
+
+   [3] I have written a series of blog posts on this work, here is
+       Part 1: http://www.rowetel.com/blog/?p=18
+
+   [4] The source code http://svn.rowetel.com/software/oslec/
+
+   [5] A nice reference on LMS filters:
+         http://en.wikipedia.org/wiki/Least_mean_squares_filter
+
+   Credits:
+
+   Thanks to Steve Underwood, Jean-Marc Valin, and Ramakrishnan
+   Muthukrishnan for their suggestions and email discussions.  Thanks
+   also to those people who collected echo samples for me such as
+   Mark, Pawel, and Pavel.
+*/
+
+#include <linux/kernel.h>       /* We're doing kernel work */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#define malloc(a) kmalloc((a), GFP_KERNEL)
+#define free(a) kfree(a)
+
+#include "bit_operations.h"
+#include "echo.h"
+
+#define MIN_TX_POWER_FOR_ADAPTION   64
+#define MIN_RX_POWER_FOR_ADAPTION   64
+#define DTD_HANGOVER               600     /* 600 samples, or 75ms     */
+#define DC_LOG2BETA                  3     /* log2() of DC filter Beta */
+
+/*-----------------------------------------------------------------------*\
+                               FUNCTIONS
+\*-----------------------------------------------------------------------*/
+
+/* adapting coeffs using the traditional stochastic descent (N)LMS algorithm */
+
+
+#ifdef __BLACKFIN_ASM__
+static void __inline__ lms_adapt_bg(echo_can_state_t *ec, int clean, int shift)
+{
+    int i, j;
+    int offset1;
+    int offset2;
+    int factor;
+    int exp;
+    int16_t *phist;
+    int n;
+
+    if (shift > 0)
+	factor = clean << shift;
+    else
+	factor = clean >> -shift;
+
+    /* Update the FIR taps */
+
+    offset2 = ec->curr_pos;
+    offset1 = ec->taps - offset2;
+    phist = &ec->fir_state_bg.history[offset2];
+
+    /* st: and en: help us locate the assembler in echo.s */
+
+    //asm("st:");
+    n = ec->taps;
+    for (i = 0, j = offset2;  i < n;  i++, j++)
+    {
+       exp = *phist++ * factor;
+       ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15);
+    }
+    //asm("en:");
+
+    /* Note the asm for the inner loop above generated by Blackfin gcc
+       4.1.1 is pretty good (note even parallel instructions used):
+
+    	R0 = W [P0++] (X);
+	R0 *= R2;
+	R0 = R0 + R3 (NS) ||
+	R1 = W [P1] (X) ||
+	nop;
+	R0 >>>= 15;
+	R0 = R0 + R1;
+	W [P1++] = R0;
+
+	A block based update algorithm would be much faster but the
+	above can't be improved on much.  Every instruction saved in
+	the loop above is 2 MIPs/ch!  The for loop above is where the
+	Blackfin spends most of it's time - about 17 MIPs/ch measured
+	with speedtest.c with 256 taps (32ms).  Write-back and
+	Write-through cache gave about the same performance.
+    */
+}
+
+/*
+   IDEAS for further optimisation of lms_adapt_bg():
+
+   1/ The rounding is quite costly.  Could we keep as 32 bit coeffs
+   then make filter pluck the MS 16-bits of the coeffs when filtering?
+   However this would lower potential optimisation of filter, as I
+   think the dual-MAC architecture requires packed 16 bit coeffs.
+
+   2/ Block based update would be more efficient, as per comments above,
+   could use dual MAC architecture.
+
+   3/ Look for same sample Blackfin LMS code, see if we can get dual-MAC
+   packing.
+
+   4/ Execute the whole e/c in a block of say 20ms rather than sample
+   by sample.  Processing a few samples every ms is inefficient.
+*/
+
+#else
+static __inline__ void lms_adapt_bg(echo_can_state_t *ec, int clean, int shift)
+{
+    int i;
+
+    int offset1;
+    int offset2;
+    int factor;
+    int exp;
+
+    if (shift > 0)
+	factor = clean << shift;
+    else
+	factor = clean >> -shift;
+
+    /* Update the FIR taps */
+
+    offset2 = ec->curr_pos;
+    offset1 = ec->taps - offset2;
+
+    for (i = ec->taps - 1;  i >= offset1;  i--)
+    {
+       exp = (ec->fir_state_bg.history[i - offset1]*factor);
+       ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15);
+    }
+    for (  ;  i >= 0;  i--)
+    {
+       exp = (ec->fir_state_bg.history[i + offset2]*factor);
+       ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15);
+    }
+}
+#endif
+
+/*- End of function --------------------------------------------------------*/
+
+echo_can_state_t *echo_can_create(int len, int adaption_mode)
+{
+    echo_can_state_t *ec;
+    int i;
+    int j;
+
+    ec = kmalloc(sizeof(*ec), GFP_KERNEL);
+    if (ec == NULL)
+        return  NULL;
+    memset(ec, 0, sizeof(*ec));
+
+    ec->taps = len;
+    ec->log2taps = top_bit(len);
+    ec->curr_pos = ec->taps - 1;
+
+    for (i = 0;  i < 2;  i++)
+    {
+        if ((ec->fir_taps16[i] = (int16_t *) malloc((ec->taps)*sizeof(int16_t))) == NULL)
+        {
+            for (j = 0;  j < i;  j++)
+                kfree(ec->fir_taps16[j]);
+            kfree(ec);
+            return  NULL;
+        }
+        memset(ec->fir_taps16[i], 0, (ec->taps)*sizeof(int16_t));
+    }
+
+    fir16_create(&ec->fir_state,
+                 ec->fir_taps16[0],
+                 ec->taps);
+    fir16_create(&ec->fir_state_bg,
+                 ec->fir_taps16[1],
+                 ec->taps);
+
+    for(i=0; i<5; i++) {
+      ec->xvtx[i] = ec->yvtx[i] = ec->xvrx[i] = ec->yvrx[i] = 0;
+    }
+
+    ec->cng_level = 1000;
+    echo_can_adaption_mode(ec, adaption_mode);
+
+    ec->snapshot = (int16_t*)malloc(ec->taps*sizeof(int16_t));
+    memset(ec->snapshot, 0, sizeof(int16_t)*ec->taps);
+
+    ec->cond_met = 0;
+    ec->Pstates = 0;
+    ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0;
+    ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0;
+    ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0;
+    ec->Lbgn = ec->Lbgn_acc = 0;
+    ec->Lbgn_upper = 200;
+    ec->Lbgn_upper_acc = ec->Lbgn_upper << 13;
+
+    return  ec;
+}
+/*- End of function --------------------------------------------------------*/
+
+void echo_can_free(echo_can_state_t *ec)
+{
+	int i;
+
+	fir16_free(&ec->fir_state);
+	fir16_free(&ec->fir_state_bg);
+	for (i = 0;  i < 2;  i++)
+		kfree(ec->fir_taps16[i]);
+	kfree(ec->snapshot);
+	kfree(ec);
+}
+/*- End of function --------------------------------------------------------*/
+
+void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode)
+{
+    ec->adaption_mode = adaption_mode;
+}
+/*- End of function --------------------------------------------------------*/
+
+void echo_can_flush(echo_can_state_t *ec)
+{
+    int i;
+
+    ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0;
+    ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0;
+    ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0;
+
+    ec->Lbgn = ec->Lbgn_acc = 0;
+    ec->Lbgn_upper = 200;
+    ec->Lbgn_upper_acc = ec->Lbgn_upper << 13;
+
+    ec->nonupdate_dwell = 0;
+
+    fir16_flush(&ec->fir_state);
+    fir16_flush(&ec->fir_state_bg);
+    ec->fir_state.curr_pos = ec->taps - 1;
+    ec->fir_state_bg.curr_pos = ec->taps - 1;
+    for (i = 0;  i < 2;  i++)
+        memset(ec->fir_taps16[i], 0, ec->taps*sizeof(int16_t));
+
+    ec->curr_pos = ec->taps - 1;
+    ec->Pstates = 0;
+}
+/*- End of function --------------------------------------------------------*/
+
+void echo_can_snapshot(echo_can_state_t *ec) {
+    memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps*sizeof(int16_t));
+}
+/*- End of function --------------------------------------------------------*/
+
+/* Dual Path Echo Canceller ------------------------------------------------*/
+
+int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx)
+{
+    int32_t echo_value;
+    int clean_bg;
+    int tmp, tmp1;
+
+    /* Input scaling was found be required to prevent problems when tx
+       starts clipping.  Another possible way to handle this would be the
+       filter coefficent scaling. */
+
+    ec->tx = tx; ec->rx = rx;
+    tx >>=1;
+    rx >>=1;
+
+    /*
+       Filter DC, 3dB point is 160Hz (I think), note 32 bit precision required
+       otherwise values do not track down to 0. Zero at DC, Pole at (1-Beta)
+       only real axis.  Some chip sets (like Si labs) don't need
+       this, but something like a $10 X100P card does.  Any DC really slows
+       down convergence.
+
+       Note: removes some low frequency from the signal, this reduces
+       the speech quality when listening to samples through headphones
+       but may not be obvious through a telephone handset.
+
+       Note that the 3dB frequency in radians is approx Beta, e.g. for
+       Beta = 2^(-3) = 0.125, 3dB freq is 0.125 rads = 159Hz.
+    */
+
+    if (ec->adaption_mode & ECHO_CAN_USE_RX_HPF) {
+      tmp = rx << 15;
+#if 1
+        /* Make sure the gain of the HPF is 1.0. This can still saturate a little under
+           impulse conditions, and it might roll to 32768 and need clipping on sustained peak
+           level signals. However, the scale of such clipping is small, and the error due to
+           any saturation should not markedly affect the downstream processing. */
+        tmp -= (tmp >> 4);
+#endif
+      ec->rx_1 += -(ec->rx_1>>DC_LOG2BETA) + tmp - ec->rx_2;
+
+      /* hard limit filter to prevent clipping.  Note that at this stage
+	 rx should be limited to +/- 16383 due to right shift above */
+      tmp1 = ec->rx_1 >> 15;
+      if (tmp1 > 16383) tmp1 = 16383;
+      if (tmp1 < -16383) tmp1 = -16383;
+      rx = tmp1;
+      ec->rx_2 = tmp;
+    }
+
+    /* Block average of power in the filter states.  Used for
+       adaption power calculation. */
+
+    {
+	int new, old;
+
+	/* efficient "out with the old and in with the new" algorithm so
+	   we don't have to recalculate over the whole block of
+	   samples. */
+	new = (int)tx * (int)tx;
+	old = (int)ec->fir_state.history[ec->fir_state.curr_pos] *
+              (int)ec->fir_state.history[ec->fir_state.curr_pos];
+	ec->Pstates += ((new - old) + (1<<ec->log2taps)) >> ec->log2taps;
+	if (ec->Pstates < 0) ec->Pstates = 0;
+    }
+
+    /* Calculate short term average levels using simple single pole IIRs */
+
+    ec->Ltxacc += abs(tx) - ec->Ltx;
+    ec->Ltx = (ec->Ltxacc + (1<<4)) >> 5;
+    ec->Lrxacc += abs(rx) - ec->Lrx;
+    ec->Lrx = (ec->Lrxacc + (1<<4)) >> 5;
+
+    /* Foreground filter ---------------------------------------------------*/
+
+    ec->fir_state.coeffs = ec->fir_taps16[0];
+    echo_value = fir16(&ec->fir_state, tx);
+    ec->clean = rx - echo_value;
+    ec->Lcleanacc += abs(ec->clean) - ec->Lclean;
+    ec->Lclean = (ec->Lcleanacc + (1<<4)) >> 5;
+
+    /* Background filter ---------------------------------------------------*/
+
+    echo_value = fir16(&ec->fir_state_bg, tx);
+    clean_bg = rx - echo_value;
+    ec->Lclean_bgacc += abs(clean_bg) - ec->Lclean_bg;
+    ec->Lclean_bg = (ec->Lclean_bgacc + (1<<4)) >> 5;
+
+    /* Background Filter adaption -----------------------------------------*/
+
+    /* Almost always adap bg filter, just simple DT and energy
+       detection to minimise adaption in cases of strong double talk.
+       However this is not critical for the dual path algorithm.
+    */
+    ec->factor = 0;
+    ec->shift = 0;
+    if ((ec->nonupdate_dwell == 0)) {
+	int   P, logP, shift;
+
+	/* Determine:
+
+	   f = Beta * clean_bg_rx/P ------ (1)
+
+	   where P is the total power in the filter states.
+
+	   The Boffins have shown that if we obey (1) we converge
+	   quickly and avoid instability.
+
+	   The correct factor f must be in Q30, as this is the fixed
+	   point format required by the lms_adapt_bg() function,
+	   therefore the scaled version of (1) is:
+
+	   (2^30) * f  = (2^30) * Beta * clean_bg_rx/P
+	       factor  = (2^30) * Beta * clean_bg_rx/P         ----- (2)
+
+	   We have chosen Beta = 0.25 by experiment, so:
+
+	       factor  = (2^30) * (2^-2) * clean_bg_rx/P
+
+                                       (30 - 2 - log2(P))
+	       factor  = clean_bg_rx 2                         ----- (3)
+
+	   To avoid a divide we approximate log2(P) as top_bit(P),
+	   which returns the position of the highest non-zero bit in
+	   P.  This approximation introduces an error as large as a
+	   factor of 2, but the algorithm seems to handle it OK.
+
+	   Come to think of it a divide may not be a big deal on a
+	   modern DSP, so its probably worth checking out the cycles
+	   for a divide versus a top_bit() implementation.
+	*/
+
+	P = MIN_TX_POWER_FOR_ADAPTION + ec->Pstates;
+	logP = top_bit(P) + ec->log2taps;
+	shift = 30 - 2 - logP;
+	ec->shift = shift;
+
+	lms_adapt_bg(ec, clean_bg, shift);
+    }
+
+    /* very simple DTD to make sure we dont try and adapt with strong
+       near end speech */
+
+    ec->adapt = 0;
+    if ((ec->Lrx > MIN_RX_POWER_FOR_ADAPTION) && (ec->Lrx > ec->Ltx))
+	ec->nonupdate_dwell = DTD_HANGOVER;
+    if (ec->nonupdate_dwell)
+	ec->nonupdate_dwell--;
+
+    /* Transfer logic ------------------------------------------------------*/
+
+    /* These conditions are from the dual path paper [1], I messed with
+       them a bit to improve performance. */
+
+    if ((ec->adaption_mode & ECHO_CAN_USE_ADAPTION) &&
+	(ec->nonupdate_dwell == 0) &&
+	(8*ec->Lclean_bg < 7*ec->Lclean) /* (ec->Lclean_bg < 0.875*ec->Lclean) */ &&
+	(8*ec->Lclean_bg < ec->Ltx)      /* (ec->Lclean_bg < 0.125*ec->Ltx)    */ )
+    {
+	if (ec->cond_met == 6) {
+	    /* BG filter has had better results for 6 consecutive samples */
+	    ec->adapt = 1;
+	    memcpy(ec->fir_taps16[0], ec->fir_taps16[1], ec->taps*sizeof(int16_t));
+	}
+	else
+	    ec->cond_met++;
+    }
+    else
+	ec->cond_met = 0;
+
+    /* Non-Linear Processing ---------------------------------------------------*/
+
+    ec->clean_nlp = ec->clean;
+    if (ec->adaption_mode & ECHO_CAN_USE_NLP)
+    {
+        /* Non-linear processor - a fancy way to say "zap small signals, to avoid
+           residual echo due to (uLaw/ALaw) non-linearity in the channel.". */
+
+      if ((16*ec->Lclean < ec->Ltx))
+      {
+	/* Our e/c has improved echo by at least 24 dB (each factor of 2 is 6dB,
+	   so 2*2*2*2=16 is the same as 6+6+6+6=24dB) */
+        if (ec->adaption_mode & ECHO_CAN_USE_CNG)
+	{
+	    ec->cng_level = ec->Lbgn;
+
+	    /* Very elementary comfort noise generation.  Just random
+	       numbers rolled off very vaguely Hoth-like.  DR: This
+	       noise doesn't sound quite right to me - I suspect there
+	       are some overlfow issues in the filtering as it's too
+	       "crackly".  TODO: debug this, maybe just play noise at
+	       high level or look at spectrum.
+	    */
+
+	    ec->cng_rndnum = 1664525U*ec->cng_rndnum + 1013904223U;
+	    ec->cng_filter = ((ec->cng_rndnum & 0xFFFF) - 32768 + 5*ec->cng_filter) >> 3;
+	    ec->clean_nlp = (ec->cng_filter*ec->cng_level*8) >> 14;
+
+        }
+        else if (ec->adaption_mode & ECHO_CAN_USE_CLIP)
+	{
+	    /* This sounds much better than CNG */
+	    if (ec->clean_nlp > ec->Lbgn)
+	      ec->clean_nlp = ec->Lbgn;
+	    if (ec->clean_nlp < -ec->Lbgn)
+	      ec->clean_nlp = -ec->Lbgn;
+	}
+	else
+        {
+	  /* just mute the residual, doesn't sound very good, used mainly
+	     in G168 tests */
+          ec->clean_nlp = 0;
+        }
+      }
+      else {
+	  /* Background noise estimator.  I tried a few algorithms
+	     here without much luck.  This very simple one seems to
+	     work best, we just average the level using a slow (1 sec
+	     time const) filter if the current level is less than a
+	     (experimentally derived) constant.  This means we dont
+	     include high level signals like near end speech.  When
+	     combined with CNG or especially CLIP seems to work OK.
+	  */
+	  if (ec->Lclean < 40) {
+	      ec->Lbgn_acc += abs(ec->clean) - ec->Lbgn;
+	      ec->Lbgn = (ec->Lbgn_acc + (1<<11)) >> 12;
+	  }
+       }
+    }
+
+    /* Roll around the taps buffer */
+    if (ec->curr_pos <= 0)
+        ec->curr_pos = ec->taps;
+    ec->curr_pos--;
+
+    if (ec->adaption_mode & ECHO_CAN_DISABLE)
+      ec->clean_nlp = rx;
+
+    /* Output scaled back up again to match input scaling */
+
+    return (int16_t) ec->clean_nlp << 1;
+}
+
+/*- End of function --------------------------------------------------------*/
+
+/* This function is seperated from the echo canceller is it is usually called
+   as part of the tx process.  See rx HP (DC blocking) filter above, it's
+   the same design.
+
+   Some soft phones send speech signals with a lot of low frequency
+   energy, e.g. down to 20Hz.  This can make the hybrid non-linear
+   which causes the echo canceller to fall over.  This filter can help
+   by removing any low frequency before it gets to the tx port of the
+   hybrid.
+
+   It can also help by removing and DC in the tx signal.  DC is bad
+   for LMS algorithms.
+
+   This is one of the classic DC removal filters, adjusted to provide sufficient
+   bass rolloff to meet the above requirement to protect hybrids from things that
+   upset them. The difference between successive samples produces a lousy HPF, and
+   then a suitably placed pole flattens things out. The final result is a nicely
+   rolled off bass end. The filtering is implemented with extended fractional
+   precision, which noise shapes things, giving very clean DC removal.
+*/
+
+int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx) {
+    int tmp, tmp1;
+
+    if (ec->adaption_mode & ECHO_CAN_USE_TX_HPF) {
+        tmp = tx << 15;
+#if 1
+        /* Make sure the gain of the HPF is 1.0. The first can still saturate a little under
+           impulse conditions, and it might roll to 32768 and need clipping on sustained peak
+           level signals. However, the scale of such clipping is small, and the error due to
+           any saturation should not markedly affect the downstream processing. */
+        tmp -= (tmp >> 4);
+#endif
+        ec->tx_1 += -(ec->tx_1>>DC_LOG2BETA) + tmp - ec->tx_2;
+        tmp1 = ec->tx_1 >> 15;
+	if (tmp1 > 32767) tmp1 = 32767;
+	if (tmp1 < -32767) tmp1 = -32767;
+	tx = tmp1;
+        ec->tx_2 = tmp;
+    }
+
+    return tx;
+}
diff --git a/drivers/staging/echo/echo.h b/drivers/staging/echo/echo.h
new file mode 100644
index 00000000000..7a91b4390f3
--- /dev/null
+++ b/drivers/staging/echo/echo.h
@@ -0,0 +1,220 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * echo.c - A line echo canceller.  This code is being developed
+ *          against and partially complies with G168.
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *         and David Rowe <david_at_rowetel_dot_com>
+ *
+ * Copyright (C) 2001 Steve Underwood and 2007 David Rowe
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: echo.h,v 1.9 2006/10/24 13:45:28 steveu Exp $
+ */
+
+#ifndef __ECHO_H
+#define __ECHO_H
+
+/*! \page echo_can_page Line echo cancellation for voice
+
+\section echo_can_page_sec_1 What does it do?
+This module aims to provide G.168-2002 compliant echo cancellation, to remove
+electrical echoes (e.g. from 2-4 wire hybrids) from voice calls.
+
+\section echo_can_page_sec_2 How does it work?
+The heart of the echo cancellor is FIR filter. This is adapted to match the
+echo impulse response of the telephone line. It must be long enough to
+adequately cover the duration of that impulse response. The signal transmitted
+to the telephone line is passed through the FIR filter. Once the FIR is
+properly adapted, the resulting output is an estimate of the echo signal
+received from the line. This is subtracted from the received signal. The result
+is an estimate of the signal which originated at the far end of the line, free
+from echos of our own transmitted signal.
+
+The least mean squares (LMS) algorithm is attributed to Widrow and Hoff, and
+was introduced in 1960. It is the commonest form of filter adaption used in
+things like modem line equalisers and line echo cancellers. There it works very
+well.  However, it only works well for signals of constant amplitude. It works
+very poorly for things like speech echo cancellation, where the signal level
+varies widely.  This is quite easy to fix. If the signal level is normalised -
+similar to applying AGC - LMS can work as well for a signal of varying
+amplitude as it does for a modem signal. This normalised least mean squares
+(NLMS) algorithm is the commonest one used for speech echo cancellation. Many
+other algorithms exist - e.g. RLS (essentially the same as Kalman filtering),
+FAP, etc. Some perform significantly better than NLMS.  However, factors such
+as computational complexity and patents favour the use of NLMS.
+
+A simple refinement to NLMS can improve its performance with speech. NLMS tends
+to adapt best to the strongest parts of a signal. If the signal is white noise,
+the NLMS algorithm works very well. However, speech has more low frequency than
+high frequency content. Pre-whitening (i.e. filtering the signal to flatten its
+spectrum) the echo signal improves the adapt rate for speech, and ensures the
+final residual signal is not heavily biased towards high frequencies. A very
+low complexity filter is adequate for this, so pre-whitening adds little to the
+compute requirements of the echo canceller.
+
+An FIR filter adapted using pre-whitened NLMS performs well, provided certain
+conditions are met:
+
+    - The transmitted signal has poor self-correlation.
+    - There is no signal being generated within the environment being
+      cancelled.
+
+The difficulty is that neither of these can be guaranteed.
+
+If the adaption is performed while transmitting noise (or something fairly
+noise like, such as voice) the adaption works very well. If the adaption is
+performed while transmitting something highly correlative (typically narrow
+band energy such as signalling tones or DTMF), the adaption can go seriously
+wrong. The reason is there is only one solution for the adaption on a near
+random signal - the impulse response of the line. For a repetitive signal,
+there are any number of solutions which converge the adaption, and nothing
+guides the adaption to choose the generalised one. Allowing an untrained
+canceller to converge on this kind of narrowband energy probably a good thing,
+since at least it cancels the tones. Allowing a well converged canceller to
+continue converging on such energy is just a way to ruin its generalised
+adaption. A narrowband detector is needed, so adapation can be suspended at
+appropriate times.
+
+The adaption process is based on trying to eliminate the received signal. When
+there is any signal from within the environment being cancelled it may upset
+the adaption process. Similarly, if the signal we are transmitting is small,
+noise may dominate and disturb the adaption process. If we can ensure that the
+adaption is only performed when we are transmitting a significant signal level,
+and the environment is not, things will be OK. Clearly, it is easy to tell when
+we are sending a significant signal. Telling, if the environment is generating
+a significant signal, and doing it with sufficient speed that the adaption will
+not have diverged too much more we stop it, is a little harder.
+
+The key problem in detecting when the environment is sourcing significant
+energy is that we must do this very quickly. Given a reasonably long sample of
+the received signal, there are a number of strategies which may be used to
+assess whether that signal contains a strong far end component. However, by the
+time that assessment is complete the far end signal will have already caused
+major mis-convergence in the adaption process. An assessment algorithm is
+needed which produces a fairly accurate result from a very short burst of far
+end energy.
+
+\section echo_can_page_sec_3 How do I use it?
+The echo cancellor processes both the transmit and receive streams sample by
+sample. The processing function is not declared inline. Unfortunately,
+cancellation requires many operations per sample, so the call overhead is only
+a minor burden.
+*/
+
+#include "fir.h"
+
+/* Mask bits for the adaption mode */
+#define ECHO_CAN_USE_ADAPTION	0x01
+#define ECHO_CAN_USE_NLP	0x02
+#define ECHO_CAN_USE_CNG	0x04
+#define ECHO_CAN_USE_CLIP	0x08
+#define ECHO_CAN_USE_TX_HPF	0x10
+#define ECHO_CAN_USE_RX_HPF	0x20
+#define ECHO_CAN_DISABLE	0x40
+
+/*!
+    G.168 echo canceller descriptor. This defines the working state for a line
+    echo canceller.
+*/
+typedef struct
+{
+	int16_t tx,rx;
+	int16_t clean;
+	int16_t clean_nlp;
+
+	int nonupdate_dwell;
+	int curr_pos;
+	int taps;
+	int log2taps;
+	int adaption_mode;
+
+	int cond_met;
+	int32_t Pstates;
+	int16_t adapt;
+	int32_t factor;
+	int16_t shift;
+
+	/* Average levels and averaging filter states */
+	int Ltxacc, Lrxacc, Lcleanacc, Lclean_bgacc;
+	int Ltx, Lrx;
+	int Lclean;
+	int Lclean_bg;
+	int Lbgn, Lbgn_acc, Lbgn_upper, Lbgn_upper_acc;
+
+	/* foreground and background filter states */
+	fir16_state_t fir_state;
+	fir16_state_t fir_state_bg;
+	int16_t *fir_taps16[2];
+
+	/* DC blocking filter states */
+	int tx_1, tx_2, rx_1, rx_2;
+
+	/* optional High Pass Filter states */
+	int32_t xvtx[5], yvtx[5];
+	int32_t xvrx[5], yvrx[5];
+
+	/* Parameters for the optional Hoth noise generator */
+	int cng_level;
+	int cng_rndnum;
+	int cng_filter;
+
+	/* snapshot sample of coeffs used for development */
+	int16_t *snapshot;
+} echo_can_state_t;
+
+/*! Create a voice echo canceller context.
+    \param len The length of the canceller, in samples.
+    \return The new canceller context, or NULL if the canceller could not be created.
+*/
+echo_can_state_t *echo_can_create(int len, int adaption_mode);
+
+/*! Free a voice echo canceller context.
+    \param ec The echo canceller context.
+*/
+void echo_can_free(echo_can_state_t *ec);
+
+/*! Flush (reinitialise) a voice echo canceller context.
+    \param ec The echo canceller context.
+*/
+void echo_can_flush(echo_can_state_t *ec);
+
+/*! Set the adaption mode of a voice echo canceller context.
+    \param ec The echo canceller context.
+    \param adapt The mode.
+*/
+void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode);
+
+void echo_can_snapshot(echo_can_state_t *ec);
+
+/*! Process a sample through a voice echo canceller.
+    \param ec The echo canceller context.
+    \param tx The transmitted audio sample.
+    \param rx The received audio sample.
+    \return The clean (echo cancelled) received sample.
+*/
+int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx);
+
+/*! Process to high pass filter the tx signal.
+    \param ec The echo canceller context.
+    \param tx The transmitted auio sample.
+    \return The HP filtered transmit sample, send this to your D/A.
+*/
+int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx);
+
+#endif	/* __ECHO_H */
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
new file mode 100644
index 00000000000..e1bfc499488
--- /dev/null
+++ b/drivers/staging/echo/fir.h
@@ -0,0 +1,369 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * fir.h - General telephony FIR routines
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2002 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: fir.h,v 1.8 2006/10/24 13:45:28 steveu Exp $
+ */
+
+/*! \page fir_page FIR filtering
+\section fir_page_sec_1 What does it do?
+???.
+
+\section fir_page_sec_2 How does it work?
+???.
+*/
+
+#if !defined(_FIR_H_)
+#define _FIR_H_
+
+/*
+   Blackfin NOTES & IDEAS:
+
+   A simple dot product function is used to implement the filter.  This performs
+   just one MAC/cycle which is inefficient but was easy to implement as a first
+   pass.  The current Blackfin code also uses an unrolled form of the filter
+   history to avoid 0 length hardware loop issues.  This is wasteful of
+   memory.
+
+   Ideas for improvement:
+
+   1/ Rewrite filter for dual MAC inner loop.  The issue here is handling
+   history sample offsets that are 16 bit aligned - the dual MAC needs
+   32 bit aligmnent.  There are some good examples in libbfdsp.
+
+   2/ Use the hardware circular buffer facility tohalve memory usage.
+
+   3/ Consider using internal memory.
+
+   Using less memory might also improve speed as cache misses will be
+   reduced. A drop in MIPs and memory approaching 50% should be
+   possible.
+
+   The foreground and background filters currenlty use a total of
+   about 10 MIPs/ch as measured with speedtest.c on a 256 TAP echo
+   can.
+*/
+
+#if defined(USE_MMX)  ||  defined(USE_SSE2)
+#include "mmx.h"
+#endif
+
+/*!
+    16 bit integer FIR descriptor. This defines the working state for a single
+    instance of an FIR filter using 16 bit integer coefficients.
+*/
+typedef struct
+{
+	int taps;
+	int curr_pos;
+	const int16_t *coeffs;
+	int16_t *history;
+} fir16_state_t;
+
+/*!
+    32 bit integer FIR descriptor. This defines the working state for a single
+    instance of an FIR filter using 32 bit integer coefficients, and filtering
+    16 bit integer data.
+*/
+typedef struct
+{
+	int taps;
+	int curr_pos;
+	const int32_t *coeffs;
+	int16_t *history;
+} fir32_state_t;
+
+/*!
+    Floating point FIR descriptor. This defines the working state for a single
+    instance of an FIR filter using floating point coefficients and data.
+*/
+typedef struct
+{
+	int taps;
+	int curr_pos;
+	const float *coeffs;
+	float *history;
+} fir_float_state_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static __inline__ const int16_t *fir16_create(fir16_state_t *fir,
+                                              const int16_t *coeffs,
+                                              int taps)
+{
+	fir->taps = taps;
+	fir->curr_pos = taps - 1;
+	fir->coeffs = coeffs;
+#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__BLACKFIN_ASM__)
+	if ((fir->history = malloc(2*taps*sizeof(int16_t))))
+		memset(fir->history, 0, 2*taps*sizeof(int16_t));
+#else
+	if ((fir->history = (int16_t *) malloc(taps*sizeof(int16_t))))
+		memset(fir->history, 0, taps*sizeof(int16_t));
+#endif
+	return fir->history;
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ void fir16_flush(fir16_state_t *fir)
+{
+#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__BLACKFIN_ASM__)
+    memset(fir->history, 0, 2*fir->taps*sizeof(int16_t));
+#else
+    memset(fir->history, 0, fir->taps*sizeof(int16_t));
+#endif
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ void fir16_free(fir16_state_t *fir)
+{
+	free(fir->history);
+}
+/*- End of function --------------------------------------------------------*/
+
+#ifdef __BLACKFIN_ASM__
+static inline int32_t dot_asm(short *x, short *y, int len)
+{
+   int dot;
+
+   len--;
+
+   __asm__
+   (
+   "I0 = %1;\n\t"
+   "I1 = %2;\n\t"
+   "A0 = 0;\n\t"
+   "R0.L = W[I0++] || R1.L = W[I1++];\n\t"
+   "LOOP dot%= LC0 = %3;\n\t"
+   "LOOP_BEGIN dot%=;\n\t"
+      "A0 += R0.L * R1.L (IS) || R0.L = W[I0++] || R1.L = W[I1++];\n\t"
+   "LOOP_END dot%=;\n\t"
+   "A0 += R0.L*R1.L (IS);\n\t"
+   "R0 = A0;\n\t"
+   "%0 = R0;\n\t"
+   : "=&d" (dot)
+   : "a" (x), "a" (y), "a" (len)
+   : "I0", "I1", "A1", "A0", "R0", "R1"
+   );
+
+   return dot;
+}
+#endif
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ int16_t fir16(fir16_state_t *fir, int16_t sample)
+{
+    int32_t y;
+#if defined(USE_MMX)
+    int i;
+    mmx_t *mmx_coeffs;
+    mmx_t *mmx_hist;
+
+    fir->history[fir->curr_pos] = sample;
+    fir->history[fir->curr_pos + fir->taps] = sample;
+
+    mmx_coeffs = (mmx_t *) fir->coeffs;
+    mmx_hist = (mmx_t *) &fir->history[fir->curr_pos];
+    i = fir->taps;
+    pxor_r2r(mm4, mm4);
+    /* 8 samples per iteration, so the filter must be a multiple of 8 long. */
+    while (i > 0)
+    {
+        movq_m2r(mmx_coeffs[0], mm0);
+        movq_m2r(mmx_coeffs[1], mm2);
+        movq_m2r(mmx_hist[0], mm1);
+        movq_m2r(mmx_hist[1], mm3);
+        mmx_coeffs += 2;
+        mmx_hist += 2;
+        pmaddwd_r2r(mm1, mm0);
+        pmaddwd_r2r(mm3, mm2);
+        paddd_r2r(mm0, mm4);
+        paddd_r2r(mm2, mm4);
+        i -= 8;
+    }
+    movq_r2r(mm4, mm0);
+    psrlq_i2r(32, mm0);
+    paddd_r2r(mm0, mm4);
+    movd_r2m(mm4, y);
+    emms();
+#elif defined(USE_SSE2)
+    int i;
+    xmm_t *xmm_coeffs;
+    xmm_t *xmm_hist;
+
+    fir->history[fir->curr_pos] = sample;
+    fir->history[fir->curr_pos + fir->taps] = sample;
+
+    xmm_coeffs = (xmm_t *) fir->coeffs;
+    xmm_hist = (xmm_t *) &fir->history[fir->curr_pos];
+    i = fir->taps;
+    pxor_r2r(xmm4, xmm4);
+    /* 16 samples per iteration, so the filter must be a multiple of 16 long. */
+    while (i > 0)
+    {
+        movdqu_m2r(xmm_coeffs[0], xmm0);
+        movdqu_m2r(xmm_coeffs[1], xmm2);
+        movdqu_m2r(xmm_hist[0], xmm1);
+        movdqu_m2r(xmm_hist[1], xmm3);
+        xmm_coeffs += 2;
+        xmm_hist += 2;
+        pmaddwd_r2r(xmm1, xmm0);
+        pmaddwd_r2r(xmm3, xmm2);
+        paddd_r2r(xmm0, xmm4);
+        paddd_r2r(xmm2, xmm4);
+        i -= 16;
+    }
+    movdqa_r2r(xmm4, xmm0);
+    psrldq_i2r(8, xmm0);
+    paddd_r2r(xmm0, xmm4);
+    movdqa_r2r(xmm4, xmm0);
+    psrldq_i2r(4, xmm0);
+    paddd_r2r(xmm0, xmm4);
+    movd_r2m(xmm4, y);
+#elif defined(__BLACKFIN_ASM__)
+    fir->history[fir->curr_pos] = sample;
+    fir->history[fir->curr_pos + fir->taps] = sample;
+    y = dot_asm((int16_t*)fir->coeffs, &fir->history[fir->curr_pos], fir->taps);
+#else
+    int i;
+    int offset1;
+    int offset2;
+
+    fir->history[fir->curr_pos] = sample;
+
+    offset2 = fir->curr_pos;
+    offset1 = fir->taps - offset2;
+    y = 0;
+    for (i = fir->taps - 1;  i >= offset1;  i--)
+        y += fir->coeffs[i]*fir->history[i - offset1];
+    for (  ;  i >= 0;  i--)
+        y += fir->coeffs[i]*fir->history[i + offset2];
+#endif
+    if (fir->curr_pos <= 0)
+    	fir->curr_pos = fir->taps;
+    fir->curr_pos--;
+    return (int16_t) (y >> 15);
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ const int16_t *fir32_create(fir32_state_t *fir,
+                                              const int32_t *coeffs,
+                                              int taps)
+{
+    fir->taps = taps;
+    fir->curr_pos = taps - 1;
+    fir->coeffs = coeffs;
+    fir->history = (int16_t *) malloc(taps*sizeof(int16_t));
+    if (fir->history)
+    	memset(fir->history, '\0', taps*sizeof(int16_t));
+    return fir->history;
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ void fir32_flush(fir32_state_t *fir)
+{
+    memset(fir->history, 0, fir->taps*sizeof(int16_t));
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ void fir32_free(fir32_state_t *fir)
+{
+    free(fir->history);
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample)
+{
+    int i;
+    int32_t y;
+    int offset1;
+    int offset2;
+
+    fir->history[fir->curr_pos] = sample;
+    offset2 = fir->curr_pos;
+    offset1 = fir->taps - offset2;
+    y = 0;
+    for (i = fir->taps - 1;  i >= offset1;  i--)
+        y += fir->coeffs[i]*fir->history[i - offset1];
+    for (  ;  i >= 0;  i--)
+        y += fir->coeffs[i]*fir->history[i + offset2];
+    if (fir->curr_pos <= 0)
+    	fir->curr_pos = fir->taps;
+    fir->curr_pos--;
+    return (int16_t) (y >> 15);
+}
+/*- End of function --------------------------------------------------------*/
+
+#ifndef __KERNEL__
+static __inline__ const float *fir_float_create(fir_float_state_t *fir,
+                                                const float *coeffs,
+    	    	    	                        int taps)
+{
+    fir->taps = taps;
+    fir->curr_pos = taps - 1;
+    fir->coeffs = coeffs;
+    fir->history = (float *) malloc(taps*sizeof(float));
+    if (fir->history)
+        memset(fir->history, '\0', taps*sizeof(float));
+    return fir->history;
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ void fir_float_free(fir_float_state_t *fir)
+{
+    free(fir->history);
+}
+/*- End of function --------------------------------------------------------*/
+
+static __inline__ int16_t fir_float(fir_float_state_t *fir, int16_t sample)
+{
+    int i;
+    float y;
+    int offset1;
+    int offset2;
+
+    fir->history[fir->curr_pos] = sample;
+
+    offset2 = fir->curr_pos;
+    offset1 = fir->taps - offset2;
+    y = 0;
+    for (i = fir->taps - 1;  i >= offset1;  i--)
+        y += fir->coeffs[i]*fir->history[i - offset1];
+    for (  ;  i >= 0;  i--)
+        y += fir->coeffs[i]*fir->history[i + offset2];
+    if (fir->curr_pos <= 0)
+    	fir->curr_pos = fir->taps;
+    fir->curr_pos--;
+    return  (int16_t) y;
+}
+/*- End of function --------------------------------------------------------*/
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/*- End of file ------------------------------------------------------------*/
diff --git a/drivers/staging/echo/mmx.h b/drivers/staging/echo/mmx.h
new file mode 100644
index 00000000000..b5a3964865b
--- /dev/null
+++ b/drivers/staging/echo/mmx.h
@@ -0,0 +1,288 @@
+/*
+ * mmx.h
+ * Copyright (C) 1997-2001 H. Dietz and R. Fisher
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifndef AVCODEC_I386MMX_H
+#define AVCODEC_I386MMX_H
+
+/*
+ * The type of an value that fits in an MMX register (note that long
+ * long constant values MUST be suffixed by LL and unsigned long long
+ * values by ULL, lest they be truncated by the compiler)
+ */
+
+typedef        union {
+        long long               q;      /* Quadword (64-bit) value */
+        unsigned long long      uq;     /* Unsigned Quadword */
+        int                     d[2];   /* 2 Doubleword (32-bit) values */
+        unsigned int            ud[2];  /* 2 Unsigned Doubleword */
+        short                   w[4];   /* 4 Word (16-bit) values */
+        unsigned short          uw[4];  /* 4 Unsigned Word */
+        char                    b[8];   /* 8 Byte (8-bit) values */
+        unsigned char           ub[8];  /* 8 Unsigned Byte */
+        float                   s[2];   /* Single-precision (32-bit) value */
+} mmx_t;        /* On an 8-byte (64-bit) boundary */
+
+/* SSE registers */
+typedef union {
+	char b[16];
+} xmm_t;
+
+
+#define         mmx_i2r(op,imm,reg) \
+        __asm__ __volatile__ (#op " %0, %%" #reg \
+                              : /* nothing */ \
+                              : "i" (imm) )
+
+#define         mmx_m2r(op,mem,reg) \
+        __asm__ __volatile__ (#op " %0, %%" #reg \
+                              : /* nothing */ \
+                              : "m" (mem))
+
+#define         mmx_r2m(op,reg,mem) \
+        __asm__ __volatile__ (#op " %%" #reg ", %0" \
+                              : "=m" (mem) \
+                              : /* nothing */ )
+
+#define         mmx_r2r(op,regs,regd) \
+        __asm__ __volatile__ (#op " %" #regs ", %" #regd)
+
+
+#define         emms() __asm__ __volatile__ ("emms")
+
+#define         movd_m2r(var,reg)           mmx_m2r (movd, var, reg)
+#define         movd_r2m(reg,var)           mmx_r2m (movd, reg, var)
+#define         movd_r2r(regs,regd)         mmx_r2r (movd, regs, regd)
+
+#define         movq_m2r(var,reg)           mmx_m2r (movq, var, reg)
+#define         movq_r2m(reg,var)           mmx_r2m (movq, reg, var)
+#define         movq_r2r(regs,regd)         mmx_r2r (movq, regs, regd)
+
+#define         packssdw_m2r(var,reg)       mmx_m2r (packssdw, var, reg)
+#define         packssdw_r2r(regs,regd)     mmx_r2r (packssdw, regs, regd)
+#define         packsswb_m2r(var,reg)       mmx_m2r (packsswb, var, reg)
+#define         packsswb_r2r(regs,regd)     mmx_r2r (packsswb, regs, regd)
+
+#define         packuswb_m2r(var,reg)       mmx_m2r (packuswb, var, reg)
+#define         packuswb_r2r(regs,regd)     mmx_r2r (packuswb, regs, regd)
+
+#define         paddb_m2r(var,reg)          mmx_m2r (paddb, var, reg)
+#define         paddb_r2r(regs,regd)        mmx_r2r (paddb, regs, regd)
+#define         paddd_m2r(var,reg)          mmx_m2r (paddd, var, reg)
+#define         paddd_r2r(regs,regd)        mmx_r2r (paddd, regs, regd)
+#define         paddw_m2r(var,reg)          mmx_m2r (paddw, var, reg)
+#define         paddw_r2r(regs,regd)        mmx_r2r (paddw, regs, regd)
+
+#define         paddsb_m2r(var,reg)         mmx_m2r (paddsb, var, reg)
+#define         paddsb_r2r(regs,regd)       mmx_r2r (paddsb, regs, regd)
+#define         paddsw_m2r(var,reg)         mmx_m2r (paddsw, var, reg)
+#define         paddsw_r2r(regs,regd)       mmx_r2r (paddsw, regs, regd)
+
+#define         paddusb_m2r(var,reg)        mmx_m2r (paddusb, var, reg)
+#define         paddusb_r2r(regs,regd)      mmx_r2r (paddusb, regs, regd)
+#define         paddusw_m2r(var,reg)        mmx_m2r (paddusw, var, reg)
+#define         paddusw_r2r(regs,regd)      mmx_r2r (paddusw, regs, regd)
+
+#define         pand_m2r(var,reg)           mmx_m2r (pand, var, reg)
+#define         pand_r2r(regs,regd)         mmx_r2r (pand, regs, regd)
+
+#define         pandn_m2r(var,reg)          mmx_m2r (pandn, var, reg)
+#define         pandn_r2r(regs,regd)        mmx_r2r (pandn, regs, regd)
+
+#define         pcmpeqb_m2r(var,reg)        mmx_m2r (pcmpeqb, var, reg)
+#define         pcmpeqb_r2r(regs,regd)      mmx_r2r (pcmpeqb, regs, regd)
+#define         pcmpeqd_m2r(var,reg)        mmx_m2r (pcmpeqd, var, reg)
+#define         pcmpeqd_r2r(regs,regd)      mmx_r2r (pcmpeqd, regs, regd)
+#define         pcmpeqw_m2r(var,reg)        mmx_m2r (pcmpeqw, var, reg)
+#define         pcmpeqw_r2r(regs,regd)      mmx_r2r (pcmpeqw, regs, regd)
+
+#define         pcmpgtb_m2r(var,reg)        mmx_m2r (pcmpgtb, var, reg)
+#define         pcmpgtb_r2r(regs,regd)      mmx_r2r (pcmpgtb, regs, regd)
+#define         pcmpgtd_m2r(var,reg)        mmx_m2r (pcmpgtd, var, reg)
+#define         pcmpgtd_r2r(regs,regd)      mmx_r2r (pcmpgtd, regs, regd)
+#define         pcmpgtw_m2r(var,reg)        mmx_m2r (pcmpgtw, var, reg)
+#define         pcmpgtw_r2r(regs,regd)      mmx_r2r (pcmpgtw, regs, regd)
+
+#define         pmaddwd_m2r(var,reg)        mmx_m2r (pmaddwd, var, reg)
+#define         pmaddwd_r2r(regs,regd)      mmx_r2r (pmaddwd, regs, regd)
+
+#define         pmulhw_m2r(var,reg)         mmx_m2r (pmulhw, var, reg)
+#define         pmulhw_r2r(regs,regd)       mmx_r2r (pmulhw, regs, regd)
+
+#define         pmullw_m2r(var,reg)         mmx_m2r (pmullw, var, reg)
+#define         pmullw_r2r(regs,regd)       mmx_r2r (pmullw, regs, regd)
+
+#define         por_m2r(var,reg)            mmx_m2r (por, var, reg)
+#define         por_r2r(regs,regd)          mmx_r2r (por, regs, regd)
+
+#define         pslld_i2r(imm,reg)          mmx_i2r (pslld, imm, reg)
+#define         pslld_m2r(var,reg)          mmx_m2r (pslld, var, reg)
+#define         pslld_r2r(regs,regd)        mmx_r2r (pslld, regs, regd)
+#define         psllq_i2r(imm,reg)          mmx_i2r (psllq, imm, reg)
+#define         psllq_m2r(var,reg)          mmx_m2r (psllq, var, reg)
+#define         psllq_r2r(regs,regd)        mmx_r2r (psllq, regs, regd)
+#define         psllw_i2r(imm,reg)          mmx_i2r (psllw, imm, reg)
+#define         psllw_m2r(var,reg)          mmx_m2r (psllw, var, reg)
+#define         psllw_r2r(regs,regd)        mmx_r2r (psllw, regs, regd)
+
+#define         psrad_i2r(imm,reg)          mmx_i2r (psrad, imm, reg)
+#define         psrad_m2r(var,reg)          mmx_m2r (psrad, var, reg)
+#define         psrad_r2r(regs,regd)        mmx_r2r (psrad, regs, regd)
+#define         psraw_i2r(imm,reg)          mmx_i2r (psraw, imm, reg)
+#define         psraw_m2r(var,reg)          mmx_m2r (psraw, var, reg)
+#define         psraw_r2r(regs,regd)        mmx_r2r (psraw, regs, regd)
+
+#define         psrld_i2r(imm,reg)          mmx_i2r (psrld, imm, reg)
+#define         psrld_m2r(var,reg)          mmx_m2r (psrld, var, reg)
+#define         psrld_r2r(regs,regd)        mmx_r2r (psrld, regs, regd)
+#define         psrlq_i2r(imm,reg)          mmx_i2r (psrlq, imm, reg)
+#define         psrlq_m2r(var,reg)          mmx_m2r (psrlq, var, reg)
+#define         psrlq_r2r(regs,regd)        mmx_r2r (psrlq, regs, regd)
+#define         psrlw_i2r(imm,reg)          mmx_i2r (psrlw, imm, reg)
+#define         psrlw_m2r(var,reg)          mmx_m2r (psrlw, var, reg)
+#define         psrlw_r2r(regs,regd)        mmx_r2r (psrlw, regs, regd)
+
+#define         psubb_m2r(var,reg)          mmx_m2r (psubb, var, reg)
+#define         psubb_r2r(regs,regd)        mmx_r2r (psubb, regs, regd)
+#define         psubd_m2r(var,reg)          mmx_m2r (psubd, var, reg)
+#define         psubd_r2r(regs,regd)        mmx_r2r (psubd, regs, regd)
+#define         psubw_m2r(var,reg)          mmx_m2r (psubw, var, reg)
+#define         psubw_r2r(regs,regd)        mmx_r2r (psubw, regs, regd)
+
+#define         psubsb_m2r(var,reg)         mmx_m2r (psubsb, var, reg)
+#define         psubsb_r2r(regs,regd)       mmx_r2r (psubsb, regs, regd)
+#define         psubsw_m2r(var,reg)         mmx_m2r (psubsw, var, reg)
+#define         psubsw_r2r(regs,regd)       mmx_r2r (psubsw, regs, regd)
+
+#define         psubusb_m2r(var,reg)        mmx_m2r (psubusb, var, reg)
+#define         psubusb_r2r(regs,regd)      mmx_r2r (psubusb, regs, regd)
+#define         psubusw_m2r(var,reg)        mmx_m2r (psubusw, var, reg)
+#define         psubusw_r2r(regs,regd)      mmx_r2r (psubusw, regs, regd)
+
+#define         punpckhbw_m2r(var,reg)      mmx_m2r (punpckhbw, var, reg)
+#define         punpckhbw_r2r(regs,regd)    mmx_r2r (punpckhbw, regs, regd)
+#define         punpckhdq_m2r(var,reg)      mmx_m2r (punpckhdq, var, reg)
+#define         punpckhdq_r2r(regs,regd)    mmx_r2r (punpckhdq, regs, regd)
+#define         punpckhwd_m2r(var,reg)      mmx_m2r (punpckhwd, var, reg)
+#define         punpckhwd_r2r(regs,regd)    mmx_r2r (punpckhwd, regs, regd)
+
+#define         punpcklbw_m2r(var,reg)      mmx_m2r (punpcklbw, var, reg)
+#define         punpcklbw_r2r(regs,regd)    mmx_r2r (punpcklbw, regs, regd)
+#define         punpckldq_m2r(var,reg)      mmx_m2r (punpckldq, var, reg)
+#define         punpckldq_r2r(regs,regd)    mmx_r2r (punpckldq, regs, regd)
+#define         punpcklwd_m2r(var,reg)      mmx_m2r (punpcklwd, var, reg)
+#define         punpcklwd_r2r(regs,regd)    mmx_r2r (punpcklwd, regs, regd)
+
+#define         pxor_m2r(var,reg)           mmx_m2r (pxor, var, reg)
+#define         pxor_r2r(regs,regd)         mmx_r2r (pxor, regs, regd)
+
+
+/* 3DNOW extensions */
+
+#define         pavgusb_m2r(var,reg)        mmx_m2r (pavgusb, var, reg)
+#define         pavgusb_r2r(regs,regd)      mmx_r2r (pavgusb, regs, regd)
+
+
+/* AMD MMX extensions - also available in intel SSE */
+
+
+#define         mmx_m2ri(op,mem,reg,imm) \
+        __asm__ __volatile__ (#op " %1, %0, %%" #reg \
+                              : /* nothing */ \
+                              : "m" (mem), "i" (imm))
+#define         mmx_r2ri(op,regs,regd,imm) \
+        __asm__ __volatile__ (#op " %0, %%" #regs ", %%" #regd \
+                              : /* nothing */ \
+                              : "i" (imm) )
+
+#define         mmx_fetch(mem,hint) \
+        __asm__ __volatile__ ("prefetch" #hint " %0" \
+                              : /* nothing */ \
+                              : "m" (mem))
+
+
+#define         maskmovq(regs,maskreg)      mmx_r2ri (maskmovq, regs, maskreg)
+
+#define         movntq_r2m(mmreg,var)       mmx_r2m (movntq, mmreg, var)
+
+#define         pavgb_m2r(var,reg)          mmx_m2r (pavgb, var, reg)
+#define         pavgb_r2r(regs,regd)        mmx_r2r (pavgb, regs, regd)
+#define         pavgw_m2r(var,reg)          mmx_m2r (pavgw, var, reg)
+#define         pavgw_r2r(regs,regd)        mmx_r2r (pavgw, regs, regd)
+
+#define         pextrw_r2r(mmreg,reg,imm)   mmx_r2ri (pextrw, mmreg, reg, imm)
+
+#define         pinsrw_r2r(reg,mmreg,imm)   mmx_r2ri (pinsrw, reg, mmreg, imm)
+
+#define         pmaxsw_m2r(var,reg)         mmx_m2r (pmaxsw, var, reg)
+#define         pmaxsw_r2r(regs,regd)       mmx_r2r (pmaxsw, regs, regd)
+
+#define         pmaxub_m2r(var,reg)         mmx_m2r (pmaxub, var, reg)
+#define         pmaxub_r2r(regs,regd)       mmx_r2r (pmaxub, regs, regd)
+
+#define         pminsw_m2r(var,reg)         mmx_m2r (pminsw, var, reg)
+#define         pminsw_r2r(regs,regd)       mmx_r2r (pminsw, regs, regd)
+
+#define         pminub_m2r(var,reg)         mmx_m2r (pminub, var, reg)
+#define         pminub_r2r(regs,regd)       mmx_r2r (pminub, regs, regd)
+
+#define         pmovmskb(mmreg,reg) \
+        __asm__ __volatile__ ("movmskps %" #mmreg ", %" #reg)
+
+#define         pmulhuw_m2r(var,reg)        mmx_m2r (pmulhuw, var, reg)
+#define         pmulhuw_r2r(regs,regd)      mmx_r2r (pmulhuw, regs, regd)
+
+#define         prefetcht0(mem)             mmx_fetch (mem, t0)
+#define         prefetcht1(mem)             mmx_fetch (mem, t1)
+#define         prefetcht2(mem)             mmx_fetch (mem, t2)
+#define         prefetchnta(mem)            mmx_fetch (mem, nta)
+
+#define         psadbw_m2r(var,reg)         mmx_m2r (psadbw, var, reg)
+#define         psadbw_r2r(regs,regd)       mmx_r2r (psadbw, regs, regd)
+
+#define         pshufw_m2r(var,reg,imm)     mmx_m2ri(pshufw, var, reg, imm)
+#define         pshufw_r2r(regs,regd,imm)   mmx_r2ri(pshufw, regs, regd, imm)
+
+#define         sfence() __asm__ __volatile__ ("sfence\n\t")
+
+/* SSE2 */
+#define         pshufhw_m2r(var,reg,imm)    mmx_m2ri(pshufhw, var, reg, imm)
+#define         pshufhw_r2r(regs,regd,imm)  mmx_r2ri(pshufhw, regs, regd, imm)
+#define         pshuflw_m2r(var,reg,imm)    mmx_m2ri(pshuflw, var, reg, imm)
+#define         pshuflw_r2r(regs,regd,imm)  mmx_r2ri(pshuflw, regs, regd, imm)
+
+#define         pshufd_r2r(regs,regd,imm)   mmx_r2ri(pshufd, regs, regd, imm)
+
+#define         movdqa_m2r(var,reg)         mmx_m2r (movdqa, var, reg)
+#define         movdqa_r2m(reg,var)         mmx_r2m (movdqa, reg, var)
+#define         movdqa_r2r(regs,regd)       mmx_r2r (movdqa, regs, regd)
+#define         movdqu_m2r(var,reg)         mmx_m2r (movdqu, var, reg)
+#define         movdqu_r2m(reg,var)         mmx_r2m (movdqu, reg, var)
+#define         movdqu_r2r(regs,regd)       mmx_r2r (movdqu, regs, regd)
+
+#define         pmullw_r2m(reg,var)         mmx_r2m (pmullw, reg, var)
+
+#define         pslldq_i2r(imm,reg)         mmx_i2r (pslldq, imm, reg)
+#define         psrldq_i2r(imm,reg)         mmx_i2r (psrldq, imm, reg)
+
+#define         punpcklqdq_r2r(regs,regd)   mmx_r2r (punpcklqdq, regs, regd)
+#define         punpckhqdq_r2r(regs,regd)   mmx_r2r (punpckhqdq, regs, regd)
+
+
+#endif /* AVCODEC_I386MMX_H */
-- 
GitLab


From d63d692a44c918723895f792ffd17eab7bcfb8ef Mon Sep 17 00:00:00 2001
From: "J.R. Mauro" <jrm8005@gmail.com>
Date: Fri, 3 Oct 2008 12:21:49 -0400
Subject: [PATCH 0350/2224] Staging: Fix gcc warnings in sxg

Fix for compiler warning about format specifier in prints in
drivers/staging/sxg/sxg.c
Prints were using %x to print unsigned long data.


Signed-off-by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/sxg.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index a91c9f39727..0117d512940 100644
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -453,7 +453,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	// fails.  If we hit a minimum, fail.
 
 	for (;;) {
-		DBG_ERROR("%s Allocate XmtRings size[%x]\n", __FUNCTION__,
+		DBG_ERROR("%s Allocate XmtRings size[%lx]\n", __FUNCTION__,
 			  (sizeof(SXG_XMT_RING) * 1));
 
 		// Start with big items first - receive and transmit rings.  At the moment
@@ -470,7 +470,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 		}
 		memset(adapter->XmtRings, 0, sizeof(SXG_XMT_RING) * 1);
 
-		DBG_ERROR("%s Allocate RcvRings size[%x]\n", __FUNCTION__,
+		DBG_ERROR("%s Allocate RcvRings size[%lx]\n", __FUNCTION__,
 			  (sizeof(SXG_RCV_RING) * 1));
 		adapter->RcvRings =
 		    pci_alloc_consistent(adapter->pcidev,
@@ -531,7 +531,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 		return (STATUS_RESOURCES);
 	}
 
-	DBG_ERROR("%s Allocate EventRings size[%x]\n", __FUNCTION__,
+	DBG_ERROR("%s Allocate EventRings size[%lx]\n", __FUNCTION__,
 		  (sizeof(SXG_EVENT_RING) * RssIds));
 
 	// Allocate event queues.
@@ -562,7 +562,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	}
 	memset(adapter->Isr, 0, sizeof(u32) * IsrCount);
 
-	DBG_ERROR("%s Allocate shared XMT ring zero index location size[%x]\n",
+	DBG_ERROR("%s Allocate shared XMT ring zero index location size[%lx]\n",
 		  __FUNCTION__, sizeof(u32));
 
 	// Allocate shared XMT ring zero index location
-- 
GitLab


From df20d69ec968b33526461457c219ad4ba8ba8ac8 Mon Sep 17 00:00:00 2001
From: Ross Cohen <rcohen@snurgle.org>
Date: Mon, 29 Sep 2008 22:36:24 -0400
Subject: [PATCH 0351/2224] Staging: go7007 v4l fixes

Fix up some of the v4l issues that were recently changed to make the
go7007 driver a bit cleaner.


From: Ross Cohen <rcohen@snurgle.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/go7007/go7007-driver.c  |  2 +-
 drivers/staging/go7007/go7007-v4l2.c    | 12 ++++------
 drivers/staging/go7007/snd-go7007.c     |  4 ++--
 drivers/staging/go7007/wis-ov7640.c     |  3 +--
 drivers/staging/go7007/wis-saa7113.c    | 25 +++++++++------------
 drivers/staging/go7007/wis-saa7115.c    | 29 ++++++++++++-------------
 drivers/staging/go7007/wis-sony-tuner.c |  3 ++-
 drivers/staging/go7007/wis-tw2804.c     | 29 ++++++++++++-------------
 drivers/staging/go7007/wis-tw9903.c     | 21 +++++++++---------
 drivers/staging/go7007/wis-uda1342.c    |  2 +-
 10 files changed, 59 insertions(+), 71 deletions(-)

diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c
index 5a336ff2d9b..81ae4b0fa89 100644
--- a/drivers/staging/go7007/go7007-driver.c
+++ b/drivers/staging/go7007/go7007-driver.c
@@ -31,7 +31,7 @@
 #include <linux/semaphore.h>
 #include <linux/uaccess.h>
 #include <asm/system.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
 #include <media/tuner.h>
 #include <media/v4l2-common.h>
 
diff --git a/drivers/staging/go7007/go7007-v4l2.c b/drivers/staging/go7007/go7007-v4l2.c
index d54d0190d81..94e1141a1fc 100644
--- a/drivers/staging/go7007/go7007-v4l2.c
+++ b/drivers/staging/go7007/go7007-v4l2.c
@@ -26,8 +26,7 @@
 #include <linux/time.h>
 #include <linux/vmalloc.h>
 #include <linux/pagemap.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ioctl.h>
 #include <linux/i2c.h>
@@ -835,7 +834,6 @@ static int go7007_do_ioctl(struct inode *inode, struct file *file,
 	case VIDIOC_S_STD:
 	{
 		v4l2_std_id *std = arg;
-		int norm;
 
 		if (go->streaming)
 			return -EBUSY;
@@ -856,20 +854,17 @@ static int go7007_do_ioctl(struct inode *inode, struct file *file,
 		if (*std & V4L2_STD_NTSC) {
 			go->standard = GO7007_STD_NTSC;
 			go->sensor_framerate = 30000;
-			norm = VIDEO_MODE_NTSC;
 		} else if (*std & V4L2_STD_PAL) {
 			go->standard = GO7007_STD_PAL;
 			go->sensor_framerate = 25025;
-			norm = VIDEO_MODE_PAL;
 		} else if (*std & V4L2_STD_SECAM) {
 			go->standard = GO7007_STD_PAL;
 			go->sensor_framerate = 25025;
-			norm = VIDEO_MODE_SECAM;
 		} else
 			return -EINVAL;
 		if (go->i2c_adapter_online)
 			i2c_clients_command(&go->i2c_adapter,
-						DECODER_SET_NORM, &norm);
+					    VIDIOC_S_STD, std);
 		set_capture_size(go, NULL, 0);
 		return 0;
 	}
@@ -933,7 +928,7 @@ static int go7007_do_ioctl(struct inode *inode, struct file *file,
 			return -EBUSY;
 		go->input = *input;
 		if (go->i2c_adapter_online) {
-			i2c_clients_command(&go->i2c_adapter, DECODER_SET_INPUT,
+			i2c_clients_command(&go->i2c_adapter, VIDIOC_S_INPUT,
 				&go->board_info->inputs[*input].video_input);
 			i2c_clients_command(&go->i2c_adapter, VIDIOC_S_AUDIO,
 				&go->board_info->inputs[*input].audio_input);
@@ -1459,6 +1454,7 @@ static struct file_operations go7007_fops = {
 
 static struct video_device go7007_template = {
 	.name		= "go7007",
+	.vfl_type	= VID_TYPE_CAPTURE,
 	.fops		= &go7007_fops,
 	.minor		= -1,
 	.release	= go7007_vfl_release,
diff --git a/drivers/staging/go7007/snd-go7007.c b/drivers/staging/go7007/snd-go7007.c
index f5cac08b07e..382740c405f 100644
--- a/drivers/staging/go7007/snd-go7007.c
+++ b/drivers/staging/go7007/snd-go7007.c
@@ -44,8 +44,8 @@ module_param_array(index, int, NULL, 0444);
 module_param_array(id, charp, NULL, 0444);
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for the go7007 audio driver");
-MODULE_PARM_DESC(index, "ID string for the go7007 audio driver");
-MODULE_PARM_DESC(index, "Enable for the go7007 audio driver");
+MODULE_PARM_DESC(id, "ID string for the go7007 audio driver");
+MODULE_PARM_DESC(enable, "Enable for the go7007 audio driver");
 
 struct go7007_snd {
 	struct snd_card *card;
diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c
index 815615a6230..f5f11e927af 100644
--- a/drivers/staging/go7007/wis-ov7640.c
+++ b/drivers/staging/go7007/wis-ov7640.c
@@ -19,8 +19,7 @@
 #include <linux/init.h>
 #include <linux/version.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
 
 #include "wis-i2c.h"
 
diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c
index 4b14ca88b1a..c1aff1b923a 100644
--- a/drivers/staging/go7007/wis-saa7113.c
+++ b/drivers/staging/go7007/wis-saa7113.c
@@ -19,8 +19,7 @@
 #include <linux/init.h>
 #include <linux/version.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
 #include <linux/ioctl.h>
 
 #include "wis-i2c.h"
@@ -124,7 +123,7 @@ static int wis_saa7113_command(struct i2c_client *client,
 	struct wis_saa7113 *dec = i2c_get_clientdata(client);
 
 	switch (cmd) {
-	case DECODER_SET_INPUT:
+	case VIDIOC_S_INPUT:
 	{
 		int *input = arg;
 
@@ -133,23 +132,19 @@ static int wis_saa7113_command(struct i2c_client *client,
 				*input < 6 ? 0x40 : 0x80);
 		break;
 	}
-	case DECODER_SET_NORM:
+	case VIDIOC_S_STD:
 	{
-		int *input = arg;
+		v4l2_std_id *input = arg;
 		dec->norm = *input;
-		switch (dec->norm) {
-		case VIDEO_MODE_PAL:
-			write_reg(client, 0x0e, 0x01);
-			write_reg(client, 0x10, 0x48);
-			break;
-		case VIDEO_MODE_NTSC:
+		if (dec->norm & V4L2_STD_NTSC) {
 			write_reg(client, 0x0e, 0x01);
 			write_reg(client, 0x10, 0x40);
-			break;
-		case VIDEO_MODE_SECAM:
+		} else if (dec->norm & V4L2_STD_PAL) {
+			write_reg(client, 0x0e, 0x01);
+			write_reg(client, 0x10, 0x48);
+		} else if (dec->norm * V4L2_STD_SECAM) {
 			write_reg(client, 0x0e, 0x50);
 			write_reg(client, 0x10, 0x48);
-			break;
 		}
 		break;
 	}
@@ -295,7 +290,7 @@ static int wis_saa7113_detect(struct i2c_adapter *adapter, int addr, int kind)
 		kfree(client);
 		return -ENOMEM;
 	}
-	dec->norm = VIDEO_MODE_NTSC;
+	dec->norm = V4L2_STD_NTSC;
 	dec->brightness = 128;
 	dec->contrast = 71;
 	dec->saturation = 64;
diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c
index bd40bf4be28..5c94c883b31 100644
--- a/drivers/staging/go7007/wis-saa7115.c
+++ b/drivers/staging/go7007/wis-saa7115.c
@@ -19,8 +19,7 @@
 #include <linux/init.h>
 #include <linux/version.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
 #include <linux/ioctl.h>
 
 #include "wis-i2c.h"
@@ -204,7 +203,7 @@ static int wis_saa7115_command(struct i2c_client *client,
 	struct wis_saa7115 *dec = i2c_get_clientdata(client);
 
 	switch (cmd) {
-	case DECODER_SET_INPUT:
+	case VIDIOC_S_INPUT:
 	{
 		int *input = arg;
 
@@ -222,7 +221,7 @@ static int wis_saa7115_command(struct i2c_client *client,
 		int h_scaling_increment = (704 / h_integer_scaler) *
 					1024 / res->width;
 		/* Fine-grained scaler only */
-		int v_scaling_increment = (dec->norm == VIDEO_MODE_NTSC ?
+		int v_scaling_increment = (dec->norm & V4L2_STD_NTSC ?
 				240 : 288) * 1024 / res->height;
 		u8 regs[] = {
 			0x88,	0xc0,
@@ -262,20 +261,20 @@ static int wis_saa7115_command(struct i2c_client *client,
 		write_regs(client, regs);
 		break;
 	}
-	case DECODER_SET_NORM:
+	case VIDIOC_S_STD:
 	{
-		int *input = arg;
+		v4l2_std_id *input = arg;
 		u8 regs[] = {
 			0x88,	0xc0,
-			0x98,	*input == VIDEO_MODE_NTSC ? 0x12 : 0x16,
-			0x9a,	*input == VIDEO_MODE_NTSC ? 0xf2 : 0x20,
-			0x9b,	*input == VIDEO_MODE_NTSC ? 0x00 : 0x01,
-			0xc8,	*input == VIDEO_MODE_NTSC ? 0x12 : 0x16,
-			0xca,	*input == VIDEO_MODE_NTSC ? 0xf2 : 0x20,
-			0xcb,	*input == VIDEO_MODE_NTSC ? 0x00 : 0x01,
+			0x98,	*input & V4L2_STD_NTSC ? 0x12 : 0x16,
+			0x9a,	*input & V4L2_STD_NTSC ? 0xf2 : 0x20,
+			0x9b,	*input & V4L2_STD_NTSC ? 0x00 : 0x01,
+			0xc8,	*input & V4L2_STD_NTSC ? 0x12 : 0x16,
+			0xca,	*input & V4L2_STD_NTSC ? 0xf2 : 0x20,
+			0xcb,	*input & V4L2_STD_NTSC ? 0x00 : 0x01,
 			0x88,	0xf0,
-			0x30,	*input == VIDEO_MODE_NTSC ? 0x66 : 0x00,
-			0x31,	*input == VIDEO_MODE_NTSC ? 0x90 : 0xe0,
+			0x30,	*input & V4L2_STD_NTSC ? 0x66 : 0x00,
+			0x31,	*input & V4L2_STD_NTSC ? 0x90 : 0xe0,
 			0,	0,
 		};
 		write_regs(client, regs);
@@ -424,7 +423,7 @@ static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind)
 		kfree(client);
 		return -ENOMEM;
 	}
-	dec->norm = VIDEO_MODE_NTSC;
+	dec->norm = V4L2_STD_NTSC;
 	dec->brightness = 128;
 	dec->contrast = 64;
 	dec->saturation = 64;
diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c
index 82e66d65f36..5997fb47945 100644
--- a/drivers/staging/go7007/wis-sony-tuner.c
+++ b/drivers/staging/go7007/wis-sony-tuner.c
@@ -19,9 +19,10 @@
 #include <linux/init.h>
 #include <linux/version.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
 #include <media/tuner.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
 
 #include "wis-i2c.h"
 
diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c
index 69ed7bf0322..27fe4d0d4ed 100644
--- a/drivers/staging/go7007/wis-tw2804.c
+++ b/drivers/staging/go7007/wis-tw2804.c
@@ -19,8 +19,7 @@
 #include <linux/init.h>
 #include <linux/version.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
 #include <linux/ioctl.h>
 
 #include "wis-i2c.h"
@@ -159,20 +158,20 @@ static int wis_tw2804_command(struct i2c_client *client,
 	}
 
 	switch (cmd) {
-	case DECODER_SET_NORM:
+	case VIDIOC_S_STD:
 	{
-		int *input = arg;
+		v4l2_std_id *input = arg;
 		u8 regs[] = {
-			0x01, *input == VIDEO_MODE_NTSC ? 0xc4 : 0x84,
-			0x09, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04,
-			0x0a, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20,
-			0x0b, *input == VIDEO_MODE_NTSC ? 0x07 : 0x04,
-			0x0c, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20,
-			0x0d, *input == VIDEO_MODE_NTSC ? 0x40 : 0x4a,
-			0x16, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40,
-			0x17, *input == VIDEO_MODE_NTSC ? 0x00 : 0x40,
-			0x20, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f,
-			0x21, *input == VIDEO_MODE_NTSC ? 0x07 : 0x0f,
+			0x01, *input & V4L2_STD_NTSC ? 0xc4 : 0x84,
+			0x09, *input & V4L2_STD_NTSC ? 0x07 : 0x04,
+			0x0a, *input & V4L2_STD_NTSC ? 0xf0 : 0x20,
+			0x0b, *input & V4L2_STD_NTSC ? 0x07 : 0x04,
+			0x0c, *input & V4L2_STD_NTSC ? 0xf0 : 0x20,
+			0x0d, *input & V4L2_STD_NTSC ? 0x40 : 0x4a,
+			0x16, *input & V4L2_STD_NTSC ? 0x00 : 0x40,
+			0x17, *input & V4L2_STD_NTSC ? 0x00 : 0x40,
+			0x20, *input & V4L2_STD_NTSC ? 0x07 : 0x0f,
+			0x21, *input & V4L2_STD_NTSC ? 0x07 : 0x0f,
 			0xff,	0xff,
 		};
 		write_regs(client, regs, dec->channel);
@@ -322,7 +321,7 @@ static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind)
 		return -ENOMEM;
 	}
 	dec->channel = -1;
-	dec->norm = VIDEO_MODE_NTSC;
+	dec->norm = V4L2_STD_NTSC;
 	dec->brightness = 128;
 	dec->contrast = 128;
 	dec->saturation = 128;
diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c
index 1cdf01a8b33..d8e41968022 100644
--- a/drivers/staging/go7007/wis-tw9903.c
+++ b/drivers/staging/go7007/wis-tw9903.c
@@ -19,8 +19,7 @@
 #include <linux/init.h>
 #include <linux/version.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
 #include <linux/ioctl.h>
 
 #include "wis-i2c.h"
@@ -106,7 +105,7 @@ static int wis_tw9903_command(struct i2c_client *client,
 	struct wis_tw9903 *dec = i2c_get_clientdata(client);
 
 	switch (cmd) {
-	case DECODER_SET_INPUT:
+	case VIDIOC_S_INPUT:
 	{
 		int *input = arg;
 
@@ -119,7 +118,7 @@ static int wis_tw9903_command(struct i2c_client *client,
 		struct video_decoder_resolution *res = arg;
 		/*int hscale = 256 * 720 / res->width;*/
 		int hscale = 256 * 720 / (res->width - (res->width > 704 ? 0 : 8));
-		int vscale = 256 * (dec->norm == VIDEO_MODE_NTSC ?  240 : 288)
+		int vscale = 256 * (dec->norm & V4L2_STD_NTSC ?  240 : 288)
 				/ res->height;
 		u8 regs[] = {
 			0x0d, vscale & 0xff,
@@ -134,14 +133,14 @@ static int wis_tw9903_command(struct i2c_client *client,
 		break;
 	}
 #endif
-	case DECODER_SET_NORM:
+	case VIDIOC_S_STD:
 	{
-		int *input = arg;
+		v4l2_std_id *input = arg;
 		u8 regs[] = {
-			0x05, *input == VIDEO_MODE_NTSC ? 0x80 : 0x00,
-			0x07, *input == VIDEO_MODE_NTSC ? 0x02 : 0x12,
-			0x08, *input == VIDEO_MODE_NTSC ? 0x14 : 0x18,
-			0x09, *input == VIDEO_MODE_NTSC ? 0xf0 : 0x20,
+			0x05, *input & V4L2_STD_NTSC ? 0x80 : 0x00,
+			0x07, *input & V4L2_STD_NTSC ? 0x02 : 0x12,
+			0x08, *input & V4L2_STD_NTSC ? 0x14 : 0x18,
+			0x09, *input & V4L2_STD_NTSC ? 0xf0 : 0x20,
 			0,	0,
 		};
 		write_regs(client, regs);
@@ -297,7 +296,7 @@ static int wis_tw9903_detect(struct i2c_adapter *adapter, int addr, int kind)
 		kfree(client);
 		return -ENOMEM;
 	}
-	dec->norm = VIDEO_MODE_NTSC;
+	dec->norm = V4L2_STD_NTSC;
 	dec->brightness = 0;
 	dec->contrast = 0x60;
 	dec->hue = 0;
diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c
index 28c10bf3a47..a0894e3cb8c 100644
--- a/drivers/staging/go7007/wis-uda1342.c
+++ b/drivers/staging/go7007/wis-uda1342.c
@@ -19,7 +19,7 @@
 #include <linux/init.h>
 #include <linux/version.h>
 #include <linux/i2c.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
 #include <media/tvaudio.h>
 #include <media/v4l2-common.h>
 
-- 
GitLab


From e9eff9d6a0d14fa2e85953ce4115d243ff575e78 Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Sat, 4 Oct 2008 07:10:28 +0300
Subject: [PATCH 0352/2224] Staging: SLICOSS: lots of checkpatch fixes

Major cleanups of checkpatch warnings from the slicoss driver.

From: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/gbdownload.h       |   10 +-
 drivers/staging/slicoss/gbrcvucode.h       |    7 +-
 drivers/staging/slicoss/oasisdbgdownload.h |   10 +-
 drivers/staging/slicoss/oasisdownload.h    |   10 +-
 drivers/staging/slicoss/oasisrcvucode.h    |    6 +-
 drivers/staging/slicoss/slic.h             |  485 ++++---
 drivers/staging/slicoss/slic_os.h          |   85 +-
 drivers/staging/slicoss/slicbuild.h        |    1 -
 drivers/staging/slicoss/slicdbg.h          |    3 +-
 drivers/staging/slicoss/slicdump.h         |   89 +-
 drivers/staging/slicoss/slichw.h           |  653 +++++-----
 drivers/staging/slicoss/slicinc.h          |  262 ++--
 drivers/staging/slicoss/slicoss.c          | 1351 +++++++++-----------
 13 files changed, 1353 insertions(+), 1619 deletions(-)

diff --git a/drivers/staging/slicoss/gbdownload.h b/drivers/staging/slicoss/gbdownload.h
index 0350fb96c23..794432bd1d7 100644
--- a/drivers/staging/slicoss/gbdownload.h
+++ b/drivers/staging/slicoss/gbdownload.h
@@ -1,14 +1,14 @@
-#define MOJAVE_UCODE_VERS_STRING	"$Revision: 1.2 $"
-#define MOJAVE_UCODE_VERS_DATE  	"$Date: 2006/03/27 15:12:22 $"
+#define MOJAVE_UCODE_VERS_STRING	"1.2"
+#define MOJAVE_UCODE_VERS_DATE  	"2006/03/27 15:12:22"
 #define MOJAVE_UCODE_HOSTIF_ID  	3
 
-static LONG	MNumSections = 0x2;
-static ULONG	MSectionSize[] =
+static s32 MNumSections = 0x2;
+static u32 MSectionSize[] =
 {
 	0x00008000, 0x00010000,
 };
 
-static ULONG	MSectionStart[] =
+static u32 MSectionStart[] =
 {
 	0x00000000, 0x00008000,
 };
diff --git a/drivers/staging/slicoss/gbrcvucode.h b/drivers/staging/slicoss/gbrcvucode.h
index dc008349ddd..4fa5a4c23e5 100644
--- a/drivers/staging/slicoss/gbrcvucode.h
+++ b/drivers/staging/slicoss/gbrcvucode.h
@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 1997-2002 Alacritech, Inc. All rights reserved
  *
- * $Id: gbrcvucode.h,v 1.2 2006/03/27 15:12:15 mook Exp $
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -32,10 +31,10 @@
  * official policies, either expressed or implied, of Alacritech, Inc.
  *
  **************************************************************************/
-#define GB_RCVUCODE_VERS_STRING	"$Revision: 1.2 $"
-#define GB_RCVUCODE_VERS_DATE  	"$Date: 2006/03/27 15:12:15 $"
+#define GB_RCVUCODE_VERS_STRING	"1.2"
+#define GB_RCVUCODE_VERS_DATE  	"2006/03/27 15:12:15"
 
-static ULONG GBRcvUCodeLen = 512;
+static u32 GBRcvUCodeLen = 512;
 
 static u8 GBRcvUCode[2560] =
 {
diff --git a/drivers/staging/slicoss/oasisdbgdownload.h b/drivers/staging/slicoss/oasisdbgdownload.h
index cae5d55d285..519e00797d4 100644
--- a/drivers/staging/slicoss/oasisdbgdownload.h
+++ b/drivers/staging/slicoss/oasisdbgdownload.h
@@ -1,14 +1,14 @@
-#define OASIS_UCODE_VERS_STRING	"$Revision: 1.2 $"
-#define OASIS_UCODE_VERS_DATE  	"$Date: 2006/03/27 15:11:22 $"
+#define OASIS_UCODE_VERS_STRING	"1.2"
+#define OASIS_UCODE_VERS_DATE  	"2006/03/27 15:11:22"
 #define OASIS_UCODE_HOSTIF_ID  	3
 
-static LONG	ONumSections = 0x2;
-static ULONG	OSectionSize[] =
+static s32 ONumSections = 0x2;
+static u32 OSectionSize[] =
 {
 	0x00004000, 0x00010000,
 };
 
-static ULONG	OSectionStart[] =
+static u32 OSectionStart[] =
 {
 	0x00000000, 0x00008000,
 };
diff --git a/drivers/staging/slicoss/oasisdownload.h b/drivers/staging/slicoss/oasisdownload.h
index 89a440c4c3a..6438c23d754 100644
--- a/drivers/staging/slicoss/oasisdownload.h
+++ b/drivers/staging/slicoss/oasisdownload.h
@@ -1,13 +1,13 @@
-#define OASIS_UCODE_VERS_STRING	"$Revision: 1.2 $"
-#define OASIS_UCODE_VERS_DATE  	"$Date: 2006/03/27 15:10:37 $"
+#define OASIS_UCODE_VERS_STRING	"1.2"
+#define OASIS_UCODE_VERS_DATE  	"2006/03/27 15:10:37"
 #define OASIS_UCODE_HOSTIF_ID  	3
 
-static LONG ONumSections = 0x2;
-static ULONG OSectionSize[] = {
+static s32 ONumSections = 0x2;
+static u32 OSectionSize[] = {
 	0x00004000, 0x00010000,
 };
 
-static ULONG OSectionStart[] = {
+static u32 OSectionStart[] = {
 	0x00000000, 0x00008000,
 };
 
diff --git a/drivers/staging/slicoss/oasisrcvucode.h b/drivers/staging/slicoss/oasisrcvucode.h
index ef9163245b8..5b3531f04cb 100644
--- a/drivers/staging/slicoss/oasisrcvucode.h
+++ b/drivers/staging/slicoss/oasisrcvucode.h
@@ -1,7 +1,7 @@
-#define OASIS_RCVUCODE_VERS_STRING	"$Revision: 1.2 $"
-#define OASIS_RCVUCODE_VERS_DATE  	"$Date: 2006/03/27 15:10:28 $"
+#define OASIS_RCVUCODE_VERS_STRING	"1.2"
+#define OASIS_RCVUCODE_VERS_DATE  	"2006/03/27 15:10:28"
 
-static ULONG OasisRcvUCodeLen = 512;
+static u32 OasisRcvUCodeLen = 512;
 
 static u8 OasisRcvUCode[2560] =
 {
diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
index 9707e5a7023..0d5dc24c0b7 100644
--- a/drivers/staging/slicoss/slic.h
+++ b/drivers/staging/slicoss/slic.h
@@ -2,7 +2,6 @@
  *
  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
  *
- * $Id: slic.h,v 1.3 2006/07/14 16:43:02 mook Exp $
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -51,14 +50,14 @@ struct slic_spinlock {
 #define SLIC_RSPQ_PAGES_GB        10
 #define SLIC_RSPQ_BUFSINPAGE      (PAGE_SIZE / SLIC_RSPBUF_SIZE)
 
-typedef struct _slic_rspqueue_t {
-    ulong32             offset;
-    ulong32             pageindex;
-    ulong32             num_pages;
-    p_slic_rspbuf_t     rspbuf;
-    pulong32            vaddr[SLIC_RSPQ_PAGES_GB];
+struct slic_rspqueue {
+    u32             offset;
+    u32             pageindex;
+    u32             num_pages;
+    struct slic_rspbuf *rspbuf;
+    u32 *vaddr[SLIC_RSPQ_PAGES_GB];
     dma_addr_t          paddr[SLIC_RSPQ_PAGES_GB];
-}    slic_rspqueue_t, *p_slic_rspqueue_t;
+};
 
 #define SLIC_RCVQ_EXPANSION         1
 #define SLIC_RCVQ_ENTRIES           (256 * SLIC_RCVQ_EXPANSION)
@@ -68,45 +67,45 @@ typedef struct _slic_rspqueue_t {
 #define SLIC_RCVQ_FILLENTRIES       (16 * SLIC_RCVQ_EXPANSION)
 #define SLIC_RCVQ_FILLTHRESH        (SLIC_RCVQ_ENTRIES - SLIC_RCVQ_FILLENTRIES)
 
-typedef struct _slic_rcvqueue_t {
+struct slic_rcvqueue {
     struct sk_buff    *head;
     struct sk_buff    *tail;
-    ulong32            count;
-    ulong32            size;
-    ulong32            errors;
-} slic_rcvqueue_t, *p_slic_rcvqueue_t;
-
-typedef struct _slic_rcvbuf_info_t {
-    ulong32     id;
-    ulong32     starttime;
-    ulong32     stoptime;
-    ulong32     slicworld;
-    ulong32     lasttime;
-    ulong32     lastid;
-}  slic_rcvbuf_info_t, *pslic_rcvbuf_info_t;
+    u32            count;
+    u32            size;
+    u32            errors;
+};
+
+struct slic_rcvbuf_info {
+    u32     id;
+    u32     starttime;
+    u32     stoptime;
+    u32     slicworld;
+    u32     lasttime;
+    u32     lastid;
+};
 /*
  SLIC Handle structure.  Used to restrict handle values to
  32 bits by using an index rather than an address.
  Simplifies ucode in 64-bit systems
 */
-typedef struct _slic_handle_word_t {
+struct slic_handle_word {
 	union {
 		struct {
 			ushort      index;
 			ushort      bottombits; /* to denote num bufs to card */
 		}  parts;
-		ulong32         whole;
+		u32         whole;
 	}  handle;
-}  slic_handle_word_t, *pslic_handle_word_t;
+};
 
-typedef struct _slic_handle_t {
-    slic_handle_word_t          token;   /* token passed between host and card*/
+struct slic_handle {
+    struct slic_handle_word  token;  /* token passed between host and card*/
     ushort                      type;
-    pvoid                       address;    /* actual address of the object*/
+    void *address;    /* actual address of the object*/
     ushort                      offset;
-    struct _slic_handle_t       *other_handle;
-    struct _slic_handle_t       *next;
-} slic_handle_t, *pslic_handle_t;
+    struct slic_handle       *other_handle;
+    struct slic_handle       *next;
+};
 
 #define SLIC_HANDLE_FREE        0x0000
 #define SLIC_HANDLE_DATA        0x0001
@@ -120,19 +119,19 @@ typedef struct _slic_handle_t {
 
 #define SLIC_HOSTCMD_SIZE    512
 
-typedef struct _slic_hostcmd_t {
-    slic_host64_cmd_t          cmd64;
-    ulong32                    type;
+struct slic_hostcmd {
+    struct slic_host64_cmd  cmd64;
+    u32                    type;
     struct sk_buff            *skb;
-    ulong32                    paddrl;
-    ulong32                    paddrh;
-    ulong32                    busy;
-    ulong32                    cmdsize;
+    u32                    paddrl;
+    u32                    paddrh;
+    u32                    busy;
+    u32                    cmdsize;
     ushort                     numbufs;
-    pslic_handle_t             pslic_handle;/* handle associated with command */
-    struct _slic_hostcmd_t    *next;
-    struct _slic_hostcmd_t    *next_all;
-} slic_hostcmd_t, *p_slic_hostcmd_t;
+    struct slic_handle    *pslic_handle;/* handle associated with command */
+    struct slic_hostcmd    *next;
+    struct slic_hostcmd    *next_all;
+};
 
 #define SLIC_CMDQ_CMDSINPAGE    (PAGE_SIZE / SLIC_HOSTCMD_SIZE)
 #define SLIC_CMD_DUMB            3
@@ -142,18 +141,18 @@ typedef struct _slic_hostcmd_t {
 #define SLIC_CMDQ_MAXPAGES       (SLIC_CMDQ_MAXCMDS / SLIC_CMDQ_CMDSINPAGE)
 #define SLIC_CMDQ_INITPAGES      (SLIC_CMDQ_INITCMDS / SLIC_CMDQ_CMDSINPAGE)
 
-typedef struct _slic_cmdqmem_t {
-    int               pagecnt;
-    pulong32          pages[SLIC_CMDQ_MAXPAGES];
-    dma_addr_t        dma_pages[SLIC_CMDQ_MAXPAGES];
-}          slic_cmdqmem_t, *p_slic_cmdqmem_t;
+struct slic_cmdqmem {
+	int pagecnt;
+	u32 *pages[SLIC_CMDQ_MAXPAGES];
+	dma_addr_t dma_pages[SLIC_CMDQ_MAXPAGES];
+};
 
-typedef struct _slic_cmdqueue_t {
-    p_slic_hostcmd_t   head;
-    p_slic_hostcmd_t   tail;
-    int                count;
-    struct slic_spinlock	lock;
-}    slic_cmdqueue_t, *p_slic_cmdqueue_t;
+struct slic_cmdqueue {
+	struct slic_hostcmd *head;
+	struct slic_hostcmd *tail;
+	int count;
+	struct slic_spinlock lock;
+};
 
 #ifdef STATUS_SUCCESS
 #undef STATUS_SUCCESS
@@ -181,10 +180,10 @@ just set this at 15K, shouldnt make that much of a diff.
 #endif
 
 
-typedef struct _mcast_address_t {
-    uchar                     address[6];
-    struct _mcast_address_t   *next;
-}  mcast_address_t, *p_mcast_address_t;
+struct mcast_address {
+	unsigned char address[6];
+	struct mcast_address *next;
+};
 
 #define CARD_DOWN        0x00000000
 #define CARD_UP          0x00000001
@@ -236,38 +235,37 @@ typedef struct _mcast_address_t {
 #define SLIC_ADAPTER_STATE(x) ((x == ADAPT_UP) ? "UP" : "Down")
 #define SLIC_CARD_STATE(x)    ((x == CARD_UP) ? "UP" : "Down")
 
-typedef struct _slic_iface_stats {
+struct slic_iface_stats {
     /*
      * Stats
      */
-    ulong64        xmt_bytes;
-    ulong64        xmt_ucast;
-    ulong64        xmt_mcast;
-    ulong64        xmt_bcast;
-    ulong64        xmt_errors;
-    ulong64        xmt_discards;
-    ulong64        xmit_collisions;
-    ulong64        xmit_excess_xmit_collisions;
-    ulong64        rcv_bytes;
-    ulong64        rcv_ucast;
-    ulong64        rcv_mcast;
-    ulong64        rcv_bcast;
-    ulong64        rcv_errors;
-    ulong64        rcv_discards;
-} slic_iface_stats_t, *p_slic_iface_stats_t;
-
-typedef struct _slic_tcp_stats {
-    ulong64        xmit_tcp_segs;
-    ulong64        xmit_tcp_bytes;
-    ulong64        rcv_tcp_segs;
-    ulong64        rcv_tcp_bytes;
-} slic_tcp_stats_t, *p_slic_tcp_stats_t;
-
-typedef struct _slicnet_stats {
-    slic_tcp_stats_t        tcp;
-    slic_iface_stats_t      iface;
-
-} slicnet_stats_t, *p_slicnet_stats_t;
+    u64        xmt_bytes;
+    u64        xmt_ucast;
+    u64        xmt_mcast;
+    u64        xmt_bcast;
+    u64        xmt_errors;
+    u64        xmt_discards;
+    u64        xmit_collisions;
+    u64        xmit_excess_xmit_collisions;
+    u64        rcv_bytes;
+    u64        rcv_ucast;
+    u64        rcv_mcast;
+    u64        rcv_bcast;
+    u64        rcv_errors;
+    u64        rcv_discards;
+};
+
+struct sliccp_stats {
+    u64        xmit_tcp_segs;
+    u64        xmit_tcp_bytes;
+    u64        rcv_tcp_segs;
+    u64        rcv_tcp_bytes;
+};
+
+struct slicnet_stats {
+    struct sliccp_stats        tcp;
+    struct slic_iface_stats      iface;
+};
 
 #define SLIC_LOADTIMER_PERIOD     1
 #define SLIC_INTAGG_DEFAULT       200
@@ -294,13 +292,13 @@ typedef struct _slicnet_stats {
 #define SLIC_INTAGG_4GB           100
 #define SLIC_INTAGG_5GB           100
 
-typedef struct _ether_header {
-    uchar    ether_dhost[6];
-    uchar    ether_shost[6];
+struct ether_header {
+    unsigned char    ether_dhost[6];
+    unsigned char    ether_shost[6];
     ushort   ether_type;
-} ether_header, *p_ether_header;
+};
 
-typedef struct _sliccard_t {
+struct sliccard {
     uint              busnumber;
     uint              slotnumber;
     uint              state;
@@ -310,114 +308,111 @@ typedef struct _sliccard_t {
     uint              adapters_allocated;
     uint              adapters_sleeping;
     uint              gennumber;
-    ulong32           events;
-    ulong32           loadlevel_current;
-    ulong32           load;
+    u32           events;
+    u32           loadlevel_current;
+    u32           load;
     uint              reset_in_progress;
-    ulong32           pingstatus;
-    ulong32           bad_pingstatus;
+    u32           pingstatus;
+    u32           bad_pingstatus;
     struct timer_list loadtimer;
-    ulong32           loadtimerset;
+    u32           loadtimerset;
     uint              config_set;
-    slic_config_t     config;
+    struct slic_config  config;
     struct dentry      *debugfs_dir;
     struct dentry      *debugfs_cardinfo;
-    struct _adapter_t  *master;
-    struct _adapter_t  *adapter[SLIC_MAX_PORTS];
-    struct _sliccard_t *next;
-    ulong32             error_interrupts;
-    ulong32             error_rmiss_interrupts;
-    ulong32             rcv_interrupts;
-    ulong32             xmit_interrupts;
-    ulong32             num_isrs;
-    ulong32             false_interrupts;
-    ulong32             max_isr_rcvs;
-    ulong32             max_isr_xmits;
-    ulong32             rcv_interrupt_yields;
-    ulong32             tx_packets;
+    struct adapter  *master;
+    struct adapter  *adapter[SLIC_MAX_PORTS];
+    struct sliccard *next;
+    u32             error_interrupts;
+    u32             error_rmiss_interrupts;
+    u32             rcv_interrupts;
+    u32             xmit_interrupts;
+    u32             num_isrs;
+    u32             false_interrupts;
+    u32             max_isr_rcvs;
+    u32             max_isr_xmits;
+    u32             rcv_interrupt_yields;
+    u32             tx_packets;
 #if SLIC_DUMP_ENABLED
-    ulong32             dumpstatus;           /* Result of dump UPR */
-    pvoid               cmdbuffer;
+    u32             dumpstatus;           /* Result of dump UPR */
+    void *cmdbuffer;
 
     ulong               cmdbuffer_phys;
-    ulong32             cmdbuffer_physl;
-    ulong32             cmdbuffer_physh;
+    u32             cmdbuffer_physl;
+    u32             cmdbuffer_physh;
 
-    ulong32             dump_count;
+    u32             dump_count;
     struct task_struct *dump_task_id;
-    ulong32             dump_wait_count;
+    u32             dump_wait_count;
     uint                dumpthread_running; /* has a dump thread been init'd  */
     uint                dump_requested;     /* 0 no, 1 = reqstd 2=curr 3=done */
-    ulong32             dumptime_start;
-    ulong32             dumptime_complete;
-    ulong32             dumptime_delta;
-    pvoid               dumpbuffer;
+    u32             dumptime_start;
+    u32             dumptime_complete;
+    u32             dumptime_delta;
+    void *dumpbuffer;
     ulong               dumpbuffer_phys;
-    ulong32             dumpbuffer_physl;
-    ulong32             dumpbuffer_physh;
+    u32             dumpbuffer_physl;
+    u32             dumpbuffer_physh;
     wait_queue_head_t   dump_wq;
     struct file        *dumphandle;
     mm_segment_t        dumpfile_fs;
 #endif
-    ulong32             debug_ix;
+    u32             debug_ix;
     ushort              reg_type[32];
     ushort              reg_offset[32];
-    ulong32             reg_value[32];
-    ulong32             reg_valueh[32];
-} sliccard_t, *p_sliccard_t;
+    u32             reg_value[32];
+    u32             reg_valueh[32];
+};
 
 #define NUM_CFG_SPACES      2
 #define NUM_CFG_REGS        64
-#define NUM_CFG_REG_ULONGS  (NUM_CFG_REGS / sizeof(ulong32))
+#define NUM_CFG_REG_ULONGS  (NUM_CFG_REGS / sizeof(u32))
 
-typedef struct _physcard_t {
-    struct _adapter_t  *adapter[SLIC_MAX_PORTS];
-    struct _physcard_t *next;
+struct physcard {
+    struct adapter  *adapter[SLIC_MAX_PORTS];
+    struct physcard *next;
     uint                adapters_allocd;
 
  /*  the following is not currently needed
-    ulong32               bridge_busnum;
-    ulong32               bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS];
+    u32               bridge_busnum;
+    u32               bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS];
  */
-} physcard_t, *p_physcard_t;
+};
 
-typedef struct _base_driver {
+struct base_driver {
     struct slic_spinlock driver_lock;
-    ulong32              num_slic_cards;
-    ulong32              num_slic_ports;
-    ulong32              num_slic_ports_active;
-    ulong32              dynamic_intagg;
-    p_sliccard_t         slic_card;
-    p_physcard_t         phys_card;
+    u32              num_slic_cards;
+    u32              num_slic_ports;
+    u32              num_slic_ports_active;
+    u32              dynamic_intagg;
+    struct sliccard  *slic_card;
+    struct physcard  *phys_card;
     uint                 cardnuminuse[SLIC_MAX_CARDS];
-} base_driver_t, *p_base_driver_t;
-
-extern base_driver_t   slic_global;
-
-typedef struct _slic_shmem_t {
-    volatile ulong32          isr;
-    volatile ulong32          linkstatus;
-    volatile slic_stats_t     inicstats;
-} slic_shmem_t, *p_slic_shmem_t;
-
-typedef struct _slic_reg_params_t {
-    ulong32       linkspeed;
-    ulong32       linkduplex;
-    ulong32       fail_on_bad_eeprom;
-} slic_reg_params_t, *p_reg_params_t;
-
-typedef struct _slic_upr_t {
-    uint                  adapter;
-    ulong32               upr_request;
-    ulong32               upr_data;
-    ulong32               upr_data_h;
-    ulong32               upr_buffer;
-    ulong32               upr_buffer_h;
-    struct _slic_upr_t *next;
-
-} slic_upr_t, *p_slic_upr_t;
-
-typedef struct _slic_ifevents_ti {
+};
+
+struct slic_shmem {
+    volatile u32          isr;
+    volatile u32          linkstatus;
+    volatile struct slic_stats     inicstats;
+};
+
+struct slic_reg_params {
+    u32       linkspeed;
+    u32       linkduplex;
+    u32       fail_on_bad_eeprom;
+};
+
+struct slic_upr {
+    uint               adapter;
+    u32            upr_request;
+    u32            upr_data;
+    u32            upr_data_h;
+    u32            upr_buffer;
+    u32            upr_buffer_h;
+    struct slic_upr *next;
+};
+
+struct slic_ifevents {
     uint        oflow802;
     uint        uflow802;
     uint        Tprtoflow;
@@ -434,19 +429,19 @@ typedef struct _slic_ifevents_ti {
     uint        IpCsum;
     uint        TpCsum;
     uint        TpHlen;
-} slic_ifevents_t;
+};
 
-typedef struct _adapter_t {
-    pvoid               ifp;
-    p_sliccard_t        card;
+struct adapter {
+    void *ifp;
+    struct sliccard *card;
     uint                port;
-    p_physcard_t        physcard;
+    struct physcard *physcard;
     uint                physport;
     uint                cardindex;
     uint                card_size;
     uint                chipid;
-    struct net_device        *netdev;
-    struct net_device        *next_netdevice;
+    struct net_device  *netdev;
+    struct net_device  *next_netdevice;
     struct slic_spinlock     adapter_lock;
     struct slic_spinlock     reset_lock;
     struct pci_dev     *pcidev;
@@ -456,90 +451,90 @@ typedef struct _adapter_t {
     ushort              vendid;
     ushort              devid;
     ushort              subsysid;
-    ulong32             irq;
+    u32             irq;
     void __iomem *memorybase;
-    ulong32             memorylength;
-    ulong32             drambase;
-    ulong32             dramlength;
+    u32             memorylength;
+    u32             drambase;
+    u32             dramlength;
     uint                queues_initialized;
     uint                allocated;
     uint                activated;
-    ulong32             intrregistered;
+    u32             intrregistered;
     uint                isp_initialized;
     uint                gennumber;
-    ulong32             curaddrupper;
-    p_slic_shmem_t      pshmem;
+    u32             curaddrupper;
+    struct slic_shmem      *pshmem;
     dma_addr_t          phys_shmem;
-    ulong32             isrcopy;
-    p_slic_regs_t       slic_regs;
-    uchar               state;
-    uchar               linkstate;
-    uchar               linkspeed;
-    uchar               linkduplex;
+    u32             isrcopy;
+    __iomem struct slic_regs       *slic_regs;
+    unsigned char               state;
+    unsigned char               linkstate;
+    unsigned char               linkspeed;
+    unsigned char               linkduplex;
     uint                flags;
-    uchar               macaddr[6];
-    uchar               currmacaddr[6];
-    ulong32             macopts;
+    unsigned char               macaddr[6];
+    unsigned char               currmacaddr[6];
+    u32             macopts;
     ushort              devflags_prev;
-    ulong64             mcastmask;
-    p_mcast_address_t   mcastaddrs;
-    p_slic_upr_t        upr_list;
+    u64             mcastmask;
+    struct mcast_address   *mcastaddrs;
+    struct slic_upr   *upr_list;
     uint                upr_busy;
     struct timer_list   pingtimer;
-    ulong32             pingtimerset;
+    u32             pingtimerset;
     struct timer_list   statstimer;
-    ulong32             statstimerset;
+    u32             statstimerset;
     struct timer_list   loadtimer;
-    ulong32             loadtimerset;
+    u32             loadtimerset;
     struct dentry      *debugfs_entry;
     struct slic_spinlock     upr_lock;
     struct slic_spinlock     bit64reglock;
-    slic_rspqueue_t     rspqueue;
-    slic_rcvqueue_t     rcvqueue;
-    slic_cmdqueue_t     cmdq_free;
-    slic_cmdqueue_t     cmdq_done;
-    slic_cmdqueue_t     cmdq_all;
-    slic_cmdqmem_t      cmdqmem;
+    struct slic_rspqueue     rspqueue;
+    struct slic_rcvqueue     rcvqueue;
+    struct slic_cmdqueue     cmdq_free;
+    struct slic_cmdqueue     cmdq_done;
+    struct slic_cmdqueue     cmdq_all;
+    struct slic_cmdqmem      cmdqmem;
     /*
      *  SLIC Handles
     */
-    slic_handle_t       slic_handles[SLIC_CMDQ_MAXCMDS+1]; /* Object handles*/
-    pslic_handle_t      pfree_slic_handles;             /* Free object handles*/
+    struct slic_handle slic_handles[SLIC_CMDQ_MAXCMDS+1]; /* Object handles*/
+    struct slic_handle *pfree_slic_handles;          /* Free object handles*/
     struct slic_spinlock     handle_lock;           /* Object handle list lock*/
     ushort              slic_handle_ix;
 
-    ulong32             xmitq_full;
-    ulong32             all_reg_writes;
-    ulong32             icr_reg_writes;
-    ulong32             isr_reg_writes;
-    ulong32             error_interrupts;
-    ulong32             error_rmiss_interrupts;
-    ulong32             rx_errors;
-    ulong32             rcv_drops;
-    ulong32             rcv_interrupts;
-    ulong32             xmit_interrupts;
-    ulong32             linkevent_interrupts;
-    ulong32             upr_interrupts;
-    ulong32             num_isrs;
-    ulong32             false_interrupts;
-    ulong32             tx_packets;
-    ulong32             xmit_completes;
-    ulong32             tx_drops;
-    ulong32             rcv_broadcasts;
-    ulong32             rcv_multicasts;
-    ulong32             rcv_unicasts;
-    ulong32             max_isr_rcvs;
-    ulong32             max_isr_xmits;
-    ulong32             rcv_interrupt_yields;
-    ulong32             intagg_period;
-    p_inicpm_state_t    inicpm_info;
-    pvoid               pinicpm_info;
-    slic_reg_params_t   reg_params;
-    slic_ifevents_t     if_events;
-    slic_stats_t        inicstats_prev;
-    slicnet_stats_t     slic_stats;
+    u32             xmitq_full;
+    u32             all_reg_writes;
+    u32             icr_reg_writes;
+    u32             isr_reg_writes;
+    u32             error_interrupts;
+    u32             error_rmiss_interrupts;
+    u32             rx_errors;
+    u32             rcv_drops;
+    u32             rcv_interrupts;
+    u32             xmit_interrupts;
+    u32             linkevent_interrupts;
+    u32             upr_interrupts;
+    u32             num_isrs;
+    u32             false_interrupts;
+    u32             tx_packets;
+    u32             xmit_completes;
+    u32             tx_drops;
+    u32             rcv_broadcasts;
+    u32             rcv_multicasts;
+    u32             rcv_unicasts;
+    u32             max_isr_rcvs;
+    u32             max_isr_xmits;
+    u32             rcv_interrupt_yields;
+    u32             intagg_period;
+    struct inicpm_state    *inicpm_info;
+    void *pinicpm_info;
+    struct slic_reg_params   reg_params;
+    struct slic_ifevents  if_events;
+    struct slic_stats        inicstats_prev;
+    struct slicnet_stats     slic_stats;
     struct net_device_stats stats;
-} adapter_t, *p_adapter_t;
+};
 
 #if SLIC_DUMP_ENABLED
 #define SLIC_DUMP_REQUESTED      1
@@ -552,10 +547,10 @@ typedef struct _adapter_t {
  * structure is written out to the card's SRAM when the microcode panic's.
  *
  ****************************************************************************/
-typedef struct _slic_crash_info {
+struct slic_crash_info {
     ushort  cpu_id;
     ushort  crash_pc;
-} slic_crash_info, *p_slic_crash_info;
+};
 
 #define CRASH_INFO_OFFSET   0x155C
 
@@ -577,20 +572,20 @@ typedef struct _slic_crash_info {
 #define ETHER_EQ_ADDR(_AddrA, _AddrB, _Result)                           \
 {                                                                        \
     _Result = TRUE;                                                      \
-    if (*(pulong32)(_AddrA) != *(pulong32)(_AddrB))                          \
+    if (*(u32 *)(_AddrA) != *(u32 *)(_AddrB))                          \
 	_Result = FALSE;                                                 \
-    if (*(pushort)(&((_AddrA)[4])) != *(pushort)(&((_AddrB)[4])))        \
+    if (*(u16 *)(&((_AddrA)[4])) != *(u16 *)(&((_AddrB)[4])))        \
 	_Result = FALSE;                                                 \
 }
 
 #if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
-#define   SLIC_GET_ADDR_LOW(_addr)  (ulong32)((ulong64)(_addr) & \
+#define   SLIC_GET_ADDR_LOW(_addr)  (u32)((u64)(_addr) & \
 	0x00000000FFFFFFFF)
-#define   SLIC_GET_ADDR_HIGH(_addr)  (ulong32)(((ulong64)(_addr) >> 32) & \
+#define   SLIC_GET_ADDR_HIGH(_addr)  (u32)(((u64)(_addr) >> 32) & \
 	0x00000000FFFFFFFF)
 #else
-#define   SLIC_GET_ADDR_LOW(_addr)   (ulong32)_addr
-#define   SLIC_GET_ADDR_HIGH(_addr)  (ulong32)0
+#define   SLIC_GET_ADDR_LOW(_addr)   (u32)_addr
+#define   SLIC_GET_ADDR_HIGH(_addr)  (u32)0
 #endif
 
 #define FLUSH       TRUE
diff --git a/drivers/staging/slicoss/slic_os.h b/drivers/staging/slicoss/slic_os.h
index 2064673f914..b0d2883034c 100644
--- a/drivers/staging/slicoss/slic_os.h
+++ b/drivers/staging/slicoss/slic_os.h
@@ -2,7 +2,6 @@
  *
  * Copyright (c)2000-2002 Alacritech, Inc.  All rights reserved.
  *
- * $Id: slic_os.h,v 1.2 2006/03/27 15:10:15 mook Exp $
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -43,87 +42,9 @@
 #ifndef _SLIC_OS_SPECIFIC_H_
 #define _SLIC_OS_SPECIFIC_H_
 
-typedef unsigned char       uchar;
-typedef u64               ulong64;
-typedef char              *pchar;
-typedef unsigned char     *puchar;
-typedef u16             *pushort;
-typedef u32               ulong32;
-typedef u32             *pulong32;
-typedef int               *plong32;
-typedef unsigned int      *puint;
-typedef void                *pvoid;
-typedef unsigned long      *pulong;
-typedef unsigned int        boolean;
-typedef unsigned int        wchar;
-typedef unsigned int       *pwchar;
-typedef unsigned char       UCHAR;
-typedef u32               ULONG;
-typedef s32               LONG;
 #define FALSE               (0)
 #define TRUE                (1)
 
-#define SLIC_INIT_SPINLOCK(x)                                                 \
-      {                                                                       \
-	spin_lock_init(&((x).lock));                                         \
-      }
-#define SLIC_ACQUIRE_SPINLOCK(x)                                              \
-      {                                                                       \
-	spin_lock(&((x).lock));                                              \
-      }
-
-#define SLIC_RELEASE_SPINLOCK(x)                                              \
-      {                                                                       \
-	spin_unlock(&((x).lock));                                            \
-      }
-
-#define SLIC_ACQUIRE_IRQ_SPINLOCK(x)                                          \
-      {                                                                       \
-	spin_lock_irqsave(&((x).lock), (x).flags);                           \
-      }
-
-#define SLIC_RELEASE_IRQ_SPINLOCK(x)                                          \
-      {                                                                       \
-	spin_unlock_irqrestore(&((x).lock), (x).flags);                      \
-      }
-
-#define ATK_DEBUG  1
-
-#if ATK_DEBUG
-#define SLIC_TIMESTAMP(value) {                                             \
-	struct timeval  timev;                                              \
-	do_gettimeofday(&timev);                                            \
-	value = timev.tv_sec*1000000 + timev.tv_usec;                       \
-}
-#else
-#define SLIC_TIMESTAMP(value)
-#endif
-
-#define SLIC_ALLOCATE_MEM(len, flag)         kmalloc(len, flag)
-#define SLIC_DEALLOCATE_MEM(mem)             kfree(mem)
-#define SLIC_DEALLOCATE_IRQ_MEM(mem)         free(mem)
-#define SLIC_ALLOCATE_PAGE(x)                (pulong32)get_free_page(GFP_KERNEL)
-#define SLIC_DEALLOCATE_PAGE(addr)           free_page((ulong32)addr)
-#define SLIC_ALLOCATE_PCIMEM(a, sz, physp)    \
-		pci_alloc_consistent((a)->pcidev, (sz), &(physp))
-#define SLIC_DEALLOCATE_PCIMEM(a, sz, vp, pp) \
-		pci_free_consistent((a)->pcidev, (sz), (vp), (pp))
-#define SLIC_GET_PHYSICAL_ADDRESS(addr)       virt_to_bus((addr))
-#define SLIC_GET_PHYSICAL_ADDRESS_HIGH(addr)  0
-
-#define SLIC_GET_DMA_ADDRESS_WRITE(a, ptr, sz)  \
-		pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_TODEVICE)
-#define SLIC_GET_DMA_ADDRESS_READ(a, ptr, sz)   \
-		pci_map_single((a)->pcidev, (ptr), (sz), PCI_DMA_FROMDEVICE)
-#define SLIC_UNGET_DMA_ADDRESS_WRITE(a, pa, sz) \
-		pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_TODEVICE)
-#define SLIC_UNGET_DMA_ADDRESS_READ(a, pa, sz)  \
-		pci_unmap_single((a)->pcidev, (pa), (sz), PCI_DMA_FROMDEVICE)
-
-#define SLIC_ZERO_MEMORY(p, sz)            memset((p), 0, (sz))
-#define SLIC_EQUAL_MEMORY(src1, src2, len) (!memcmp(src1, src2, len))
-#define SLIC_MOVE_MEMORY(dst, src, len)    memcpy((dst), (src), (len))
-
 #define SLIC_SECS_TO_JIFFS(x)  ((x) * HZ)
 #define SLIC_MS_TO_JIFFIES(x)  (SLIC_SECS_TO_JIFFS((x)) / 1000)
 
@@ -132,7 +53,7 @@ typedef s32               LONG;
 	{                                                           \
 		adapter->card->reg_type[adapter->card->debug_ix] = 0;   \
 		adapter->card->reg_offset[adapter->card->debug_ix] = \
-			((puchar)(&reg)) - ((puchar)adapter->slic_regs); \
+			((unsigned char *)(&reg)) - ((unsigned char *)adapter->slic_regs); \
 		adapter->card->reg_value[adapter->card->debug_ix++] = value;  \
 		if (adapter->card->debug_ix == 32) \
 			adapter->card->debug_ix = 0;                      \
@@ -142,7 +63,7 @@ typedef s32               LONG;
 	{                                                           \
 		adapter->card->reg_type[adapter->card->debug_ix] = 1;        \
 		adapter->card->reg_offset[adapter->card->debug_ix] = \
-			((puchar)(&reg)) - ((puchar)adapter->slic_regs); \
+			((unsigned char *)(&reg)) - ((unsigned char *)adapter->slic_regs); \
 		adapter->card->reg_value[adapter->card->debug_ix] = value;   \
 		adapter->card->reg_valueh[adapter->card->debug_ix++] = valh;  \
 		if (adapter->card->debug_ix == 32) \
@@ -156,8 +77,6 @@ typedef s32               LONG;
 #define WRITE_REG64(a, reg, value, regh, valh, flush) \
 	slic_reg64_write((a), (&reg), (value), (&regh), (valh), (flush))
 #endif
-#define READ_REG(reg, flush)                    slic_reg32_read((&reg), (flush))
-#define READ_REGP16(reg, flush)                 slic_reg16_read((&reg), (flush))
 
 #endif  /* _SLIC_OS_SPECIFIC_H_  */
 
diff --git a/drivers/staging/slicoss/slicbuild.h b/drivers/staging/slicoss/slicbuild.h
index ddf16650ad8..ae05e043d07 100644
--- a/drivers/staging/slicoss/slicbuild.h
+++ b/drivers/staging/slicoss/slicbuild.h
@@ -2,7 +2,6 @@
  *
  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
  *
- * $Id: slicbuild.h,v 1.2 2006/03/27 15:10:10 mook Exp $
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/drivers/staging/slicoss/slicdbg.h b/drivers/staging/slicoss/slicdbg.h
index c1be56f9627..c54e44fb1f6 100644
--- a/drivers/staging/slicoss/slicdbg.h
+++ b/drivers/staging/slicoss/slicdbg.h
@@ -2,7 +2,6 @@
  *
  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
  *
- * $Id: slicdbg.h,v 1.2 2006/03/27 15:10:04 mook Exp $
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -66,7 +65,7 @@
 #ifdef CONFIG_X86_64
 #define VALID_ADDRESS(p)  (1)
 #else
-#define VALID_ADDRESS(p)  (((ulong32)(p) & 0x80000000) || ((ulong32)(p) == 0))
+#define VALID_ADDRESS(p)  (((u32)(p) & 0x80000000) || ((u32)(p) == 0))
 #endif
 #ifndef ASSERT
 #define ASSERT(a)                                                             \
diff --git a/drivers/staging/slicoss/slicdump.h b/drivers/staging/slicoss/slicdump.h
index 3c46094eff5..ca0a2216f70 100644
--- a/drivers/staging/slicoss/slicdump.h
+++ b/drivers/staging/slicoss/slicdump.h
@@ -1,5 +1,4 @@
 /*
- * $Id: slicdump.h,v 1.2 2006/03/27 15:09:57 mook Exp $
  *
  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
  *
@@ -148,32 +147,32 @@
 /*
  * Break and Reset Break command structure
  */
-typedef struct _BREAK {
-    uchar     command;    /* Command word defined above */
-    uchar     resvd;
+struct BREAK {
+    unsigned char     command;    /* Command word defined above */
+    unsigned char     resvd;
     ushort    count;      /* Number of executions before break */
-    ulong32   addr;       /* Address of break point */
-} BREAK, *PBREAK;
+    u32   addr;       /* Address of break point */
+};
 
 /*
  * Dump and Load command structure
  */
-typedef struct _dump_cmd {
-    uchar     cmd;        /* Command word defined above */
-    uchar     desc;       /* Descriptor values - defined below */
+struct dump_cmd {
+    unsigned char     cmd;        /* Command word defined above */
+    unsigned char     desc;       /* Descriptor values - defined below */
     ushort    count;      /* number of 4 byte words to be transferred */
-    ulong32   addr;       /* start address of dump or load */
-} dump_cmd_t, *pdump_cmd_t;
+    u32   addr;       /* start address of dump or load */
+};
 
 /*
  * Receive or Transmit a frame.
  */
-typedef struct _RCV_OR_XMT_FRAME {
-    uchar     command;    /* Command word defined above */
-    uchar     MacId;      /* Mac ID of interface - transmit only */
+struct RCV_OR_XMT_FRAME {
+    unsigned char     command;    /* Command word defined above */
+    unsigned char     MacId;      /* Mac ID of interface - transmit only */
     ushort    count;      /* Length of frame in bytes */
-    ulong32   pad;        /* not used */
-} RCV_OR_XMT_FRAME, *PRCV_OR_XMT_FRAME;
+    u32   pad;        /* not used */
+};
 
 /*
  * Values of desc field in DUMP_OR_LOAD structure
@@ -196,12 +195,12 @@ typedef struct _RCV_OR_XMT_FRAME {
 /*
  * Map command to replace a command in ROM with a command in WCS
  */
-typedef struct _MAP {
-    uchar   command;    /* Command word defined above */
-    uchar   not_used[3];
+struct MAP {
+    unsigned char   command;    /* Command word defined above */
+    unsigned char   not_used[3];
     ushort  map_to;     /* Instruction address in WCS */
     ushort  map_out;    /* Instruction address in ROM */
-} MAP, *PMAP;
+};
 
 /*
  * Misc definitions
@@ -221,35 +220,35 @@ typedef struct _MAP {
 /*
  * Coredump header structure
  */
-typedef struct _CORE_Q {
-    ulong32   queueOff;           /* Offset of queue */
-    ulong32   queuesize;          /* size of queue */
-} CORE_Q;
+struct CORE_Q {
+    u32   queueOff;           /* Offset of queue */
+    u32   queuesize;          /* size of queue */
+};
 
 #define DRIVER_NAME_SIZE    32
 
-typedef struct _sliccore_hdr_t {
-    uchar   driver_version[DRIVER_NAME_SIZE];    /* Driver version string */
-    ulong32   RcvRegOff;          /* Offset of receive registers */
-    ulong32   RcvRegsize;         /* size of receive registers */
-    ulong32   XmtRegOff;          /* Offset of transmit registers */
-    ulong32   XmtRegsize;         /* size of transmit registers */
-    ulong32   FileRegOff;         /* Offset of register file */
-    ulong32   FileRegsize;        /* size of register file */
-    ulong32   SramOff;            /* Offset of Sram */
-    ulong32   Sramsize;           /* size of Sram */
-    ulong32   DramOff;            /* Offset of Dram */
-    ulong32   Dramsize;           /* size of Dram */
+struct sliccore_hdr {
+    unsigned char   driver_version[DRIVER_NAME_SIZE];    /* Driver version string */
+    u32   RcvRegOff;          /* Offset of receive registers */
+    u32   RcvRegsize;         /* size of receive registers */
+    u32   XmtRegOff;          /* Offset of transmit registers */
+    u32   XmtRegsize;         /* size of transmit registers */
+    u32   FileRegOff;         /* Offset of register file */
+    u32   FileRegsize;        /* size of register file */
+    u32   SramOff;            /* Offset of Sram */
+    u32   Sramsize;           /* size of Sram */
+    u32   DramOff;            /* Offset of Dram */
+    u32   Dramsize;           /* size of Dram */
     CORE_Q    queues[SLIC_MAX_QUEUE]; /* size and offsets of queues */
-    ulong32   CamAMOff;           /* Offset of CAM A contents */
-    ulong32   CamASize;           /* Size of Cam A */
-    ulong32   CamBMOff;           /* Offset of CAM B contents */
-    ulong32   CamBSize;           /* Size of Cam B */
-    ulong32   CamCMOff;           /* Offset of CAM C contents */
-    ulong32   CamCSize;           /* Size of Cam C */
-    ulong32   CamDMOff;           /* Offset of CAM D contents */
-    ulong32   CamDSize;           /* Size of Cam D */
-} sliccore_hdr_t, *p_sliccore_hdr_t;
+    u32   CamAMOff;           /* Offset of CAM A contents */
+    u32   CamASize;           /* Size of Cam A */
+    u32   CamBMOff;           /* Offset of CAM B contents */
+    u32   CamBSize;           /* Size of Cam B */
+    u32   CamCMOff;           /* Offset of CAM C contents */
+    u32   CamCSize;           /* Size of Cam C */
+    u32   CamDMOff;           /* Offset of CAM D contents */
+    u32   CamDSize;           /* Size of Cam D */
+};
 
 /*
  * definitions needed for our kernel-mode gdb stub.
diff --git a/drivers/staging/slicoss/slichw.h b/drivers/staging/slicoss/slichw.h
index d5765c4dc66..4c5c15d49e6 100644
--- a/drivers/staging/slicoss/slichw.h
+++ b/drivers/staging/slicoss/slichw.h
@@ -2,7 +2,6 @@
  *
  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
  *
- * $Id: slichw.h,v 1.3 2008/03/17 19:27:26 chris Exp $
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -236,110 +235,106 @@
 #define TRUE   1
 #endif
 
-typedef struct _slic_rcvbuf_t {
-    uchar     pad1[6];
+struct slic_rcvbuf {
+    unsigned char     pad1[6];
     ushort    pad2;
-    ulong32   pad3;
-    ulong32   pad4;
-    ulong32   buffer;
-    ulong32   length;
-    ulong32   status;
-    ulong32   pad5;
+    u32   pad3;
+    u32   pad4;
+    u32   buffer;
+    u32   length;
+    u32   status;
+    u32   pad5;
     ushort    pad6;
-    uchar     data[SLIC_RCVBUF_DATASIZE];
-}  slic_rcvbuf_t, *p_slic_rcvbuf_t;
+    unsigned char     data[SLIC_RCVBUF_DATASIZE];
+};
 
-typedef struct _slic_hddr_wds {
+ struct slic_hddr_wds {
   union {
     struct {
-	ulong32    frame_status;
-	ulong32    frame_status_b;
-	ulong32    time_stamp;
-	ulong32    checksum;
+	u32    frame_status;
+	u32    frame_status_b;
+	u32    time_stamp;
+	u32    checksum;
     } hdrs_14port;
     struct {
-	ulong32    frame_status;
+	u32    frame_status;
 	ushort     ByteCnt;
 	ushort     TpChksum;
 	ushort     CtxHash;
 	ushort     MacHash;
-	ulong32    BufLnk;
+	u32    BufLnk;
     } hdrs_gbit;
   } u0;
-} slic_hddr_wds_t, *p_slic_hddr_wds;
+};
 
 #define frame_status14        u0.hdrs_14port.frame_status
 #define frame_status_b14      u0.hdrs_14port.frame_status_b
 #define frame_statusGB        u0.hdrs_gbit.frame_status
 
-typedef struct _slic_host64sg_t {
-	ulong32        paddrl;
-	ulong32        paddrh;
-	ulong32        length;
-} slic_host64sg_t, *p_slic_host64sg_t;
-
-typedef struct _slic_host64_cmd_t {
-    ulong32       hosthandle;
-    ulong32       RSVD;
-    uchar         command;
-    uchar         flags;
+struct slic_host64sg {
+	u32        paddrl;
+	u32        paddrh;
+	u32        length;
+};
+
+struct slic_host64_cmd {
+    u32       hosthandle;
+    u32       RSVD;
+    unsigned char         command;
+    unsigned char         flags;
     union {
 	ushort          rsv1;
 	ushort          rsv2;
     } u0;
     union {
 	struct {
-		ulong32            totlen;
-		slic_host64sg_t    bufs[SLIC_MAX64_BCNT];
+		u32            totlen;
+		struct slic_host64sg    bufs[SLIC_MAX64_BCNT];
 	} slic_buffers;
     } u;
+};
 
-} slic_host64_cmd_t, *p_slic_host64_cmd_t;
+struct slic_rspbuf {
+    u32   hosthandle;
+    u32   pad0;
+    u32   pad1;
+    u32   status;
+    u32   pad2[4];
 
-typedef struct _slic_rspbuf_t {
-    ulong32   hosthandle;
-    ulong32   pad0;
-    ulong32   pad1;
-    ulong32   status;
-    ulong32   pad2[4];
+};
 
-}  slic_rspbuf_t, *p_slic_rspbuf_t;
+struct slic_regs {
+	u32	slic_reset;		/* Reset Register */
+	u32	pad0;
 
-typedef ulong32 SLIC_REG;
-
-
-typedef struct _slic_regs_t {
-	ULONG	slic_reset;		/* Reset Register */
-	ULONG	pad0;
-
-	ULONG	slic_icr;		/* Interrupt Control Register */
-	ULONG	pad2;
+	u32	slic_icr;		/* Interrupt Control Register */
+	u32	pad2;
 #define SLIC_ICR		0x0008
 
-	ULONG	slic_isp;		/* Interrupt status pointer */
-	ULONG	pad1;
+	u32	slic_isp;		/* Interrupt status pointer */
+	u32	pad1;
 #define SLIC_ISP		0x0010
 
-    ULONG	slic_isr;		/* Interrupt status */
-	ULONG	pad3;
+    u32	slic_isr;		/* Interrupt status */
+	u32	pad3;
 #define SLIC_ISR		0x0018
 
-    SLIC_REG	slic_hbar;		/* Header buffer address reg */
-	ULONG		pad4;
+    u32	slic_hbar;		/* Header buffer address reg */
+	u32		pad4;
 	/* 31-8 - phy addr of set of contiguous hdr buffers
 	    7-0 - number of buffers passed
 	   Buffers are 256 bytes long on 256-byte boundaries. */
 #define SLIC_HBAR		0x0020
 #define SLIC_HBAR_CNT_MSK	0x000000FF
 
-    SLIC_REG	slic_dbar;	/* Data buffer handle & address reg */
-	ULONG		pad5;
+    u32	slic_dbar;	/* Data buffer handle & address reg */
+	u32		pad5;
 
 	/* 4 sets of registers; Buffers are 2K bytes long 2 per 4K page. */
 #define SLIC_DBAR		0x0028
 #define SLIC_DBAR_SIZE		2048
 
-    SLIC_REG	slic_cbar;		 	/* Xmt Cmd buf addr regs.*/
+    u32	slic_cbar;		 	/* Xmt Cmd buf addr regs.*/
 	/* 1 per XMT interface
 	   31-5 - phy addr of host command buffer
 	    4-0 - length of cmd in multiples of 32 bytes
@@ -348,13 +343,13 @@ typedef struct _slic_regs_t {
 #define SLIC_CBAR_LEN_MSK	0x0000001F
 #define SLIC_CBAR_ALIGN		0x00000020
 
-	SLIC_REG	slic_wcs;		/* write control store*/
+	u32	slic_wcs;		/* write control store*/
 #define	SLIC_WCS		0x0034
 #define SLIC_WCS_START		0x80000000	/*Start the SLIC (Jump to WCS)*/
 #define SLIC_WCS_COMPARE	0x40000000	/* Compare with value in WCS*/
 
-    SLIC_REG	slic_rbar;		/* Response buffer address reg.*/
-	ULONG		pad7;
+    u32	slic_rbar;		/* Response buffer address reg.*/
+	u32		pad7;
 	 /*31-8 - phy addr of set of contiguous response buffers
 	  7-0 - number of buffers passed
 	 Buffers are 32 bytes long on 32-byte boundaries.*/
@@ -362,166 +357,166 @@ typedef struct _slic_regs_t {
 #define SLIC_RBAR_CNT_MSK	0x000000FF
 #define SLIC_RBAR_SIZE		32
 
-	SLIC_REG	slic_stats;		/* read statistics (UPR) */
-	ULONG		pad8;
+	u32	slic_stats;		/* read statistics (UPR) */
+	u32		pad8;
 #define	SLIC_RSTAT		0x0040
 
-	SLIC_REG	slic_rlsr;			/* read link status */
-	ULONG		pad9;
+	u32	slic_rlsr;			/* read link status */
+	u32		pad9;
 #define SLIC_LSTAT		0x0048
 
-	SLIC_REG	slic_wmcfg;			/* Write Mac Config */
-	ULONG		pad10;
+	u32	slic_wmcfg;			/* Write Mac Config */
+	u32		pad10;
 #define	SLIC_WMCFG		0x0050
 
-	SLIC_REG	slic_wphy;			/* Write phy register */
-	ULONG		pad11;
+	u32	slic_wphy;			/* Write phy register */
+	u32		pad11;
 #define SLIC_WPHY		0x0058
 
-	SLIC_REG	slic_rcbar;			/*Rcv Cmd buf addr reg*/
-	ULONG		pad12;
+	u32	slic_rcbar;			/*Rcv Cmd buf addr reg*/
+	u32		pad12;
 #define	SLIC_RCBAR		0x0060
 
-	SLIC_REG	slic_rconfig;		/* Read SLIC Config*/
-	ULONG		pad13;
+	u32	slic_rconfig;		/* Read SLIC Config*/
+	u32		pad13;
 #define SLIC_RCONFIG	0x0068
 
-	SLIC_REG	slic_intagg;		/* Interrupt aggregation time*/
-	ULONG		pad14;
+	u32	slic_intagg;		/* Interrupt aggregation time*/
+	u32		pad14;
 #define SLIC_INTAGG		0x0070
 
-	SLIC_REG	slic_wxcfg;		/* Write XMIT config reg*/
-	ULONG		pad16;
+	u32	slic_wxcfg;		/* Write XMIT config reg*/
+	u32		pad16;
 #define	SLIC_WXCFG		0x0078
 
-	SLIC_REG	slic_wrcfg;		/* Write RCV config reg*/
-	ULONG		pad17;
+	u32	slic_wrcfg;		/* Write RCV config reg*/
+	u32		pad17;
 #define	SLIC_WRCFG		0x0080
 
-	SLIC_REG	slic_wraddral;		/* Write rcv addr a low*/
-	ULONG		pad18;
+	u32	slic_wraddral;		/* Write rcv addr a low*/
+	u32		pad18;
 #define	SLIC_WRADDRAL	0x0088
 
-	SLIC_REG	slic_wraddrah;		/* Write rcv addr a high*/
-	ULONG		pad19;
+	u32	slic_wraddrah;		/* Write rcv addr a high*/
+	u32		pad19;
 #define	SLIC_WRADDRAH	0x0090
 
-	SLIC_REG	slic_wraddrbl;		/* Write rcv addr b low*/
-	ULONG		pad20;
+	u32	slic_wraddrbl;		/* Write rcv addr b low*/
+	u32		pad20;
 #define	SLIC_WRADDRBL	0x0098
 
-	SLIC_REG	slic_wraddrbh;		/* Write rcv addr b high*/
-	ULONG		pad21;
+	u32	slic_wraddrbh;		/* Write rcv addr b high*/
+	u32		pad21;
 #define	SLIC_WRADDRBH	0x00a0
 
-	SLIC_REG	slic_mcastlow;		/* Low bits of mcast mask*/
-	ULONG		pad22;
+	u32	slic_mcastlow;		/* Low bits of mcast mask*/
+	u32		pad22;
 #define	SLIC_MCASTLOW	0x00a8
 
-	SLIC_REG	slic_mcasthigh;		/* High bits of mcast mask*/
-	ULONG		pad23;
+	u32	slic_mcasthigh;		/* High bits of mcast mask*/
+	u32		pad23;
 #define	SLIC_MCASTHIGH	0x00b0
 
-	SLIC_REG	slic_ping;			/* Ping the card*/
-	ULONG		pad24;
+	u32	slic_ping;			/* Ping the card*/
+	u32		pad24;
 #define SLIC_PING		0x00b8
 
-	SLIC_REG	slic_dump_cmd;		/* Dump command */
-	ULONG		pad25;
+	u32	slic_dump_cmd;		/* Dump command */
+	u32		pad25;
 #define SLIC_DUMP_CMD	0x00c0
 
-	SLIC_REG	slic_dump_data;		/* Dump data pointer */
-	ULONG		pad26;
+	u32	slic_dump_data;		/* Dump data pointer */
+	u32		pad26;
 #define SLIC_DUMP_DATA	0x00c8
 
-	SLIC_REG	slic_pcistatus;	/* Read card's pci_status register */
-	ULONG		pad27;
+	u32	slic_pcistatus;	/* Read card's pci_status register */
+	u32		pad27;
 #define	SLIC_PCISTATUS	0x00d0
 
-	SLIC_REG	slic_wrhostid;		/* Write hostid field */
-	ULONG		pad28;
+	u32	slic_wrhostid;		/* Write hostid field */
+	u32		pad28;
 #define SLIC_WRHOSTID		 0x00d8
 #define SLIC_RDHOSTID_1GB	 0x1554
 #define SLIC_RDHOSTID_2GB	 0x1554
 
-	SLIC_REG	slic_low_power;	/* Put card in a low power state */
-	ULONG		pad29;
+	u32	slic_low_power;	/* Put card in a low power state */
+	u32		pad29;
 #define SLIC_LOW_POWER	0x00e0
 
-	SLIC_REG	slic_quiesce;	/* force slic into quiescent state
+	u32	slic_quiesce;	/* force slic into quiescent state
 					 before soft reset */
-	ULONG		pad30;
+	u32		pad30;
 #define SLIC_QUIESCE	0x00e8
 
-	SLIC_REG	slic_reset_iface;	/* reset interface queues */
-	ULONG		pad31;
+	u32	slic_reset_iface;	/* reset interface queues */
+	u32		pad31;
 #define SLIC_RESET_IFACE 0x00f0
 
-    SLIC_REG	slic_addr_upper;	/* Bits 63-32 for host i/f addrs */
-	ULONG		pad32;
+    u32	slic_addr_upper;	/* Bits 63-32 for host i/f addrs */
+	u32		pad32;
 #define SLIC_ADDR_UPPER	0x00f8 /*Register is only written when it has changed*/
 
-    SLIC_REG	slic_hbar64;		/* 64 bit Header buffer address reg */
-	ULONG		pad33;
+    u32	slic_hbar64;		/* 64 bit Header buffer address reg */
+	u32		pad33;
 #define SLIC_HBAR64		0x0100
 
-    SLIC_REG	slic_dbar64;	/* 64 bit Data buffer handle & address reg */
-	ULONG		pad34;
+    u32	slic_dbar64;	/* 64 bit Data buffer handle & address reg */
+	u32		pad34;
 #define SLIC_DBAR64		0x0108
 
-    SLIC_REG	slic_cbar64;	 	/* 64 bit Xmt Cmd buf addr regs. */
-	ULONG		pad35;
+    u32	slic_cbar64;	 	/* 64 bit Xmt Cmd buf addr regs. */
+	u32		pad35;
 #define SLIC_CBAR64		0x0110
 
-    SLIC_REG	slic_rbar64;		/* 64 bit Response buffer address reg.*/
-	ULONG		pad36;
+    u32	slic_rbar64;		/* 64 bit Response buffer address reg.*/
+	u32		pad36;
 #define SLIC_RBAR64		0x0118
 
-	SLIC_REG	slic_rcbar64;		/* 64 bit Rcv Cmd buf addr reg*/
-	ULONG		pad37;
+	u32	slic_rcbar64;		/* 64 bit Rcv Cmd buf addr reg*/
+	u32		pad37;
 #define	SLIC_RCBAR64	0x0120
 
-	SLIC_REG	slic_stats64;		/*read statistics (64 bit UPR)*/
-	ULONG		pad38;
+	u32	slic_stats64;		/*read statistics (64 bit UPR)*/
+	u32		pad38;
 #define	SLIC_RSTAT64	0x0128
 
-	SLIC_REG	slic_rcv_wcs;	/*Download Gigabit RCV sequencer ucode*/
-	ULONG		pad39;
+	u32	slic_rcv_wcs;	/*Download Gigabit RCV sequencer ucode*/
+	u32		pad39;
 #define SLIC_RCV_WCS	0x0130
 #define SLIC_RCVWCS_BEGIN	0x40000000
 #define SLIC_RCVWCS_FINISH	0x80000000
 
-	SLIC_REG	slic_wrvlanid;		/* Write VlanId field */
-	ULONG		pad40;
+	u32	slic_wrvlanid;		/* Write VlanId field */
+	u32		pad40;
 #define SLIC_WRVLANID	0x0138
 
-	SLIC_REG	slic_read_xf_info;  /* Read Transformer info */
-	ULONG		pad41;
+	u32	slic_read_xf_info;  /* Read Transformer info */
+	u32		pad41;
 #define SLIC_READ_XF_INFO 	0x0140
 
-	SLIC_REG	slic_write_xf_info; /* Write Transformer info */
-	ULONG		pad42;
+	u32	slic_write_xf_info; /* Write Transformer info */
+	u32		pad42;
 #define SLIC_WRITE_XF_INFO 	0x0148
 
-	SLIC_REG	RSVD1;              /* TOE Only */
-	ULONG		pad43;
+	u32	RSVD1;              /* TOE Only */
+	u32		pad43;
 
-	SLIC_REG	RSVD2; 	            /* TOE Only */
-	ULONG		pad44;
+	u32	RSVD2; 	            /* TOE Only */
+	u32		pad44;
 
-	SLIC_REG	RSVD3;              /* TOE Only */
-	ULONG		pad45;
+	u32	RSVD3;              /* TOE Only */
+	u32		pad45;
 
-	SLIC_REG	RSVD4;              /* TOE Only */
-	ULONG		pad46;
+	u32	RSVD4;              /* TOE Only */
+	u32		pad46;
 
-	SLIC_REG	slic_ticks_per_sec; /* Write card ticks per second */
-	ULONG		pad47;
+	u32	slic_ticks_per_sec; /* Write card ticks per second */
+	u32		pad47;
 #define SLIC_TICKS_PER_SEC	0x0170
 
-} __iomem slic_regs_t, *p_slic_regs_t, SLIC_REGS, *PSLIC_REGS;
+};
 
-typedef enum _UPR_REQUEST {
+enum UPR_REQUEST {
     SLIC_UPR_STATS,
     SLIC_UPR_RLSR,
     SLIC_UPR_WCFG,
@@ -532,103 +527,102 @@ typedef enum _UPR_REQUEST {
     SLIC_UPR_PDWN,
     SLIC_UPR_PING,
     SLIC_UPR_DUMP,
-} UPR_REQUEST;
-
-typedef struct _inicpm_wakepattern {
-    ulong32    patternlength;
-    uchar      pattern[SLIC_PM_PATTERNSIZE];
-    uchar      mask[SLIC_PM_PATTERNSIZE];
-} inicpm_wakepattern_t, *p_inicpm_wakepattern_t;
-
-typedef struct _inicpm_state {
-    ulong32                 powercaps;
-    ulong32                 powerstate;
-    ulong32                 wake_linkstatus;
-    ulong32                 wake_magicpacket;
-    ulong32                 wake_framepattern;
-    inicpm_wakepattern_t    wakepattern[SLIC_PM_MAXPATTERNS];
-} inicpm_state_t, *p_inicpm_state_t;
-
-typedef struct _slicpm_packet_pattern {
-    ulong32     priority;
-    ulong32     reserved;
-    ulong32     masksize;
-    ulong32     patternoffset;
-    ulong32     patternsize;
-    ulong32     patternflags;
-} slicpm_packet_pattern_t, *p_slicpm_packet_pattern_t;
-
-typedef enum _slicpm_power_state {
+};
+
+struct inicpm_wakepattern {
+    u32    patternlength;
+    unsigned char      pattern[SLIC_PM_PATTERNSIZE];
+    unsigned char      mask[SLIC_PM_PATTERNSIZE];
+};
+
+struct inicpm_state {
+    u32                 powercaps;
+    u32                 powerstate;
+    u32                 wake_linkstatus;
+    u32                 wake_magicpacket;
+    u32                 wake_framepattern;
+    struct inicpm_wakepattern    wakepattern[SLIC_PM_MAXPATTERNS];
+};
+
+struct slicpm_packet_pattern {
+    u32     priority;
+    u32     reserved;
+    u32     masksize;
+    u32     patternoffset;
+    u32     patternsize;
+    u32     patternflags;
+};
+
+enum slicpm_power_state {
     slicpm_state_unspecified = 0,
     slicpm_state_d0,
     slicpm_state_d1,
     slicpm_state_d2,
     slicpm_state_d3,
     slicpm_state_maximum
-} slicpm_state_t, *p_slicpm_state_t;
-
-typedef struct _slicpm_wakeup_capabilities {
-    slicpm_state_t  min_magic_packet_wakeup;
-    slicpm_state_t  min_pattern_wakeup;
-    slicpm_state_t  min_link_change_wakeup;
-}  slicpm_wakeup_capabilities_t, *p_slicpm_wakeup_capabilities_t;
-
-
-typedef struct _slic_pnp_capabilities {
-    ulong32                         flags;
-    slicpm_wakeup_capabilities_t  wakeup_capabilities;
-}  slic_pnp_capabilities_t, *p_slic_pnp_capabilities_t;
-
-typedef struct _xmt_stats_t {
-    ulong32       xmit_tcp_bytes;
-    ulong32       xmit_tcp_segs;
-    ulong32       xmit_bytes;
-    ulong32       xmit_collisions;
-    ulong32       xmit_unicasts;
-    ulong32       xmit_other_error;
-    ulong32       xmit_excess_collisions;
-}   xmt_stats100_t;
-
-typedef struct _rcv_stats_t {
-    ulong32       rcv_tcp_bytes;
-    ulong32       rcv_tcp_segs;
-    ulong32       rcv_bytes;
-    ulong32       rcv_unicasts;
-    ulong32       rcv_other_error;
-    ulong32       rcv_drops;
-}   rcv_stats100_t;
-
-typedef struct _xmt_statsgb_t {
-    ulong64       xmit_tcp_bytes;
-    ulong64       xmit_tcp_segs;
-    ulong64       xmit_bytes;
-    ulong64       xmit_collisions;
-    ulong64       xmit_unicasts;
-    ulong64       xmit_other_error;
-    ulong64       xmit_excess_collisions;
-}   xmt_statsGB_t;
-
-typedef struct _rcv_statsgb_t {
-    ulong64       rcv_tcp_bytes;
-    ulong64       rcv_tcp_segs;
-    ulong64       rcv_bytes;
-    ulong64       rcv_unicasts;
-    u64       rcv_other_error;
-    ulong64       rcv_drops;
-}   rcv_statsGB_t;
-
-typedef struct _slic_stats {
+};
+
+struct slicpm_wakeup_capabilities {
+    enum slicpm_power_state  min_magic_packet_wakeup;
+    enum slicpm_power_state  min_pattern_wakeup;
+    enum slicpm_power_state  min_link_change_wakeup;
+};
+
+struct slic_pnp_capabilities {
+	u32 flags;
+	struct slicpm_wakeup_capabilities wakeup_capabilities;
+};
+
+struct xmt_stats {
+	u32 xmit_tcp_bytes;
+	u32 xmit_tcp_segs;
+	u32 xmit_bytes;
+	u32 xmit_collisions;
+	u32 xmit_unicasts;
+	u32 xmit_other_error;
+	u32 xmit_excess_collisions;
+};
+
+struct rcv_stats {
+	u32 rcv_tcp_bytes;
+	u32 rcv_tcp_segs;
+	u32 rcv_bytes;
+	u32 rcv_unicasts;
+	u32 rcv_other_error;
+	u32 rcv_drops;
+};
+
+struct xmt_statsgb {
+	u64 xmit_tcp_bytes;
+	u64 xmit_tcp_segs;
+	u64 xmit_bytes;
+	u64 xmit_collisions;
+	u64 xmit_unicasts;
+	u64 xmit_other_error;
+	u64 xmit_excess_collisions;
+};
+
+struct rcv_statsgb {
+	u64 rcv_tcp_bytes;
+	u64 rcv_tcp_segs;
+	u64 rcv_bytes;
+	u64 rcv_unicasts;
+	u64 rcv_other_error;
+	u64 rcv_drops;
+};
+
+struct slic_stats {
     union {
 	struct {
-		xmt_stats100_t      xmt100;
-		rcv_stats100_t      rcv100;
+		struct xmt_stats  xmt100;
+		struct rcv_stats  rcv100;
 	} stats_100;
 	struct {
-		xmt_statsGB_t     xmtGB;
-		rcv_statsGB_t     rcvGB;
+		struct xmt_statsgb     xmtGB;
+		struct rcv_statsgb     rcvGB;
 	} stats_GB;
     } u;
-} slic_stats_t, *p_slic_stats_t;
+};
 
 #define xmit_tcp_segs100           u.stats_100.xmt100.xmit_tcp_segs
 #define xmit_tcp_bytes100          u.stats_100.xmt100.xmit_tcp_bytes
@@ -658,10 +652,9 @@ typedef struct _slic_stats {
 #define rcv_other_error_gb         u.stats_GB.rcvGB.rcv_other_error
 #define rcv_drops_gb               u.stats_GB.rcvGB.rcv_drops
 
-typedef struct _slic_config_mac_t {
-    uchar        macaddrA[6];
-
-}   slic_config_mac_t, *pslic_config_mac_t;
+struct slic_config_mac {
+    unsigned char        macaddrA[6];
+};
 
 #define ATK_FRU_FORMAT        0x00
 #define VENDOR1_FRU_FORMAT    0x01
@@ -670,68 +663,68 @@ typedef struct _slic_config_mac_t {
 #define VENDOR4_FRU_FORMAT    0x04
 #define NO_FRU_FORMAT         0xFF
 
-typedef struct _atk_fru_t {
-    uchar        assembly[6];
-    uchar        revision[2];
-    uchar        serial[14];
-    uchar        pad[3];
-} atk_fru_t, *patk_fru_t;
-
-typedef struct _vendor1_fru_t {
-    uchar        commodity;
-    uchar        assembly[4];
-    uchar        revision[2];
-    uchar        supplier[2];
-    uchar        date[2];
-    uchar        sequence[3];
-    uchar        pad[13];
-} vendor1_fru_t, *pvendor1_fru_t;
-
-typedef struct _vendor2_fru_t {
-    uchar        part[8];
-    uchar        supplier[5];
-    uchar        date[3];
-    uchar        sequence[4];
-    uchar        pad[7];
-} vendor2_fru_t, *pvendor2_fru_t;
-
-typedef struct _vendor3_fru_t {
-    uchar        assembly[6];
-    uchar        revision[2];
-    uchar        serial[14];
-    uchar        pad[3];
-} vendor3_fru_t, *pvendor3_fru_t;
-
-typedef struct _vendor4_fru_t {
-    uchar        number[8];
-    uchar        part[8];
-    uchar        version[8];
-    uchar        pad[3];
-} vendor4_fru_t, *pvendor4_fru_t;
-
-typedef union _oemfru_t {
-    vendor1_fru_t   vendor1_fru;
-    vendor2_fru_t   vendor2_fru;
-    vendor3_fru_t   vendor3_fru;
-    vendor4_fru_t   vendor4_fru;
-}  oemfru_t, *poemfru_t;
+struct atk_fru {
+    unsigned char        assembly[6];
+    unsigned char        revision[2];
+    unsigned char        serial[14];
+    unsigned char        pad[3];
+};
+
+struct vendor1_fru {
+    unsigned char        commodity;
+    unsigned char        assembly[4];
+    unsigned char        revision[2];
+    unsigned char        supplier[2];
+    unsigned char        date[2];
+    unsigned char        sequence[3];
+    unsigned char        pad[13];
+};
+
+struct vendor2_fru {
+    unsigned char        part[8];
+    unsigned char        supplier[5];
+    unsigned char        date[3];
+    unsigned char        sequence[4];
+    unsigned char        pad[7];
+};
+
+struct vendor3_fru {
+    unsigned char        assembly[6];
+    unsigned char        revision[2];
+    unsigned char        serial[14];
+    unsigned char        pad[3];
+};
+
+struct vendor4_fru {
+    unsigned char        number[8];
+    unsigned char        part[8];
+    unsigned char        version[8];
+    unsigned char        pad[3];
+};
+
+union oemfru_t {
+    struct vendor1_fru   vendor1_fru;
+    struct vendor2_fru   vendor2_fru;
+    struct vendor3_fru   vendor3_fru;
+    struct vendor4_fru   vendor4_fru;
+};
 
 /*
    SLIC EEPROM structure for Mojave
 */
-typedef struct _slic_eeprom {
+struct slic_eeprom {
 	ushort		Id;		/* 00 EEPROM/FLASH Magic code 'A5A5'*/
 	ushort		EecodeSize;	/* 01 Size of EEPROM Codes (bytes * 4)*/
 	ushort		FlashSize;	/* 02 Flash size */
 	ushort		EepromSize;	/* 03 EEPROM Size */
 	ushort		VendorId;	/* 04 Vendor ID */
 	ushort		DeviceId;	/* 05 Device ID */
-	uchar		RevisionId;	/* 06 Revision ID */
-	uchar		ClassCode[3];	/* 07 Class Code */
-	uchar		DbgIntPin;	/* 08 Debug Interrupt pin */
-	uchar		NetIntPin0;	/*    Network Interrupt Pin */
-	uchar		MinGrant;	/* 09 Minimum grant */
-	uchar		MaxLat;		/*    Maximum Latency */
+	unsigned char		RevisionId;	/* 06 Revision ID */
+	unsigned char		ClassCode[3];	/* 07 Class Code */
+	unsigned char		DbgIntPin;	/* 08 Debug Interrupt pin */
+	unsigned char		NetIntPin0;	/*    Network Interrupt Pin */
+	unsigned char		MinGrant;	/* 09 Minimum grant */
+	unsigned char		MaxLat;		/*    Maximum Latency */
 	ushort		PciStatus;	/* 10 PCI Status */
 	ushort		SubSysVId;	/* 11 Subsystem Vendor Id */
 	ushort		SubSysId;	/* 12 Subsystem ID */
@@ -739,58 +732,60 @@ typedef struct _slic_eeprom {
 	ushort		DramRomFn;	/* 14 Dram/Rom function */
 	ushort		DSize2Pci;	/* 15 DRAM size to PCI (bytes * 64K) */
 	ushort	RSize2Pci;	/* 16 ROM extension size to PCI (bytes * 4k) */
-	uchar	NetIntPin1; /* 17 Network Interface Pin 1 (simba/leone only) */
-	uchar	NetIntPin2; /*    Network Interface Pin 2 (simba/leone only) */
+	unsigned char NetIntPin1;/* 17 Network Interface Pin 1
+				    (simba/leone only) */
+	unsigned char NetIntPin2; /*Network Interface Pin 2 (simba/leone only)*/
 	union {
-		uchar	NetIntPin3;/* 18 Network Interface Pin 3 (simba only) */
-		uchar	FreeTime;/*    FreeTime setting (leone/mojave only) */
+		unsigned char NetIntPin3;/*18 Network Interface Pin 3
+					   (simba only)*/
+		unsigned char FreeTime;/*FreeTime setting (leone/mojave only) */
 	} u1;
-	uchar		TBIctl;	/*    10-bit interface control (Mojave only) */
+	unsigned char	TBIctl;	/*    10-bit interface control (Mojave only) */
 	ushort		DramSize;	/* 19 DRAM size (bytes * 64k) */
 	union {
 		struct {
 			/* Mac Interface Specific portions */
-			slic_config_mac_t	MacInfo[SLIC_NBR_MACS];
+			struct slic_config_mac	MacInfo[SLIC_NBR_MACS];
 		} mac;				/* MAC access for all boards */
 		struct {
 			/* use above struct for MAC access */
-			slic_config_mac_t	pad[SLIC_NBR_MACS - 1];
+			struct slic_config_mac	pad[SLIC_NBR_MACS - 1];
 			ushort		DeviceId2;	/* Device ID for 2nd
 								PCI function */
-			uchar		IntPin2;	/* Interrupt pin for
+			unsigned char	IntPin2;	/* Interrupt pin for
 							   2nd PCI function */
-			uchar		ClassCode2[3];	/* Class Code for 2nd
+			unsigned char	ClassCode2[3];	/* Class Code for 2nd
 								PCI function */
 		} mojave;	/* 2nd function access for gigabit board */
 	} u2;
 	ushort		CfgByte6;	/* Config Byte 6 */
 	ushort		PMECapab;	/* Power Mgment capabilities */
 	ushort		NwClkCtrls;	/* NetworkClockControls */
-	uchar		FruFormat;	/* Alacritech FRU format type */
-	atk_fru_t   AtkFru;		/* Alacritech FRU information */
-	uchar		OemFruFormat;	/* optional OEM FRU format type */
-    oemfru_t    OemFru;         /* optional OEM FRU information */
-	uchar		Pad[4];	/* Pad to 128 bytes - includes 2 cksum bytes
+	unsigned char	FruFormat;	/* Alacritech FRU format type */
+	struct atk_fru   AtkFru;	/* Alacritech FRU information */
+	unsigned char	OemFruFormat;	/* optional OEM FRU format type */
+	union oemfru_t    OemFru;         /* optional OEM FRU information */
+	unsigned char	Pad[4];	/* Pad to 128 bytes - includes 2 cksum bytes
 				 *(if OEM FRU info exists) and two unusable
 				 * bytes at the end */
-} slic_eeprom_t, *pslic_eeprom_t;
+};
 
 /* SLIC EEPROM structure for Oasis */
-typedef struct _oslic_eeprom_t {
+struct oslic_eeprom {
 	ushort		Id;		/* 00 EEPROM/FLASH Magic code 'A5A5' */
 	ushort		EecodeSize;	/* 01 Size of EEPROM Codes (bytes * 4)*/
 	ushort		FlashConfig0;	/* 02 Flash Config for SPI device 0 */
 	ushort		FlashConfig1;	/* 03 Flash Config for SPI device 1 */
 	ushort		VendorId;	/* 04 Vendor ID */
 	ushort		DeviceId;	/* 05 Device ID (function 0) */
-	uchar		RevisionId;	/* 06 Revision ID */
-	uchar		ClassCode[3];	/* 07 Class Code for PCI function 0 */
-	uchar		IntPin1;	/* 08 Interrupt pin for PCI function 1*/
-	uchar		ClassCode2[3];	/* 09 Class Code for PCI function 1 */
-	uchar		IntPin2;	/* 10 Interrupt pin for PCI function 2*/
-	uchar		IntPin0;	/*    Interrupt pin for PCI function 0*/
-	uchar		MinGrant;	/* 11 Minimum grant */
-	uchar		MaxLat;		/*    Maximum Latency */
+	unsigned char	RevisionId;	/* 06 Revision ID */
+	unsigned char	ClassCode[3];	/* 07 Class Code for PCI function 0 */
+	unsigned char	IntPin1;	/* 08 Interrupt pin for PCI function 1*/
+	unsigned char	ClassCode2[3];	/* 09 Class Code for PCI function 1 */
+	unsigned char	IntPin2;	/* 10 Interrupt pin for PCI function 2*/
+	unsigned char	IntPin0;	/*    Interrupt pin for PCI function 0*/
+	unsigned char		MinGrant;	/* 11 Minimum grant */
+	unsigned char		MaxLat;		/*    Maximum Latency */
 	ushort		SubSysVId;	/* 12 Subsystem Vendor Id */
 	ushort		SubSysId;	/* 13 Subsystem ID */
 	ushort		FlashSize;	/* 14 Flash size (bytes / 4K) */
@@ -801,8 +796,8 @@ typedef struct _oslic_eeprom_t {
 	ushort		DeviceId2;	/* 18 Device Id (function 2) */
 	ushort		CfgByte6;	/* 19 Device Status Config Bytes 6-7 */
 	ushort		PMECapab;	/* 20 Power Mgment capabilities */
-	uchar		MSICapab;	/* 21 MSI capabilities */
-	uchar		ClockDivider;	/*    Clock divider */
+	unsigned char		MSICapab;	/* 21 MSI capabilities */
+	unsigned char		ClockDivider;	/*    Clock divider */
 	ushort		PciStatusLow;	/* 22 PCI Status bits 15:0 */
 	ushort		PciStatusHigh;	/* 23 PCI Status bits 31:16 */
 	ushort		DramConfigLow;	/* 24 DRAM Configuration bits 15:0 */
@@ -810,18 +805,18 @@ typedef struct _oslic_eeprom_t {
 	ushort		DramSize;	/* 26 DRAM size (bytes / 64K) */
 	ushort		GpioTbiCtl;/* 27 GPIO/TBI controls for functions 1/0 */
 	ushort		EepromSize;		/* 28 EEPROM Size */
-	slic_config_mac_t	MacInfo[2];	/* 29 MAC addresses (2 ports) */
-	uchar		FruFormat;	/* 35 Alacritech FRU format type */
-	atk_fru_t	AtkFru;		/* Alacritech FRU information */
-	uchar		OemFruFormat;	/* optional OEM FRU format type */
-	oemfru_t    OemFru;         /* optional OEM FRU information */
-	uchar		Pad[4];	/* Pad to 128 bytes - includes 2 checksum bytes
+	struct slic_config_mac MacInfo[2];	/* 29 MAC addresses (2 ports) */
+	unsigned char	FruFormat;	/* 35 Alacritech FRU format type */
+	struct atk_fru	AtkFru;	/* Alacritech FRU information */
+	unsigned char	OemFruFormat;	/* optional OEM FRU format type */
+	union oemfru_t    OemFru;         /* optional OEM FRU information */
+	unsigned char	Pad[4];	/* Pad to 128 bytes - includes 2 checksum bytes
 				 * (if OEM FRU info exists) and two unusable
 				 * bytes at the end
 				 */
-} oslic_eeprom_t, *poslic_eeprom_t;
+};
 
-#define	MAX_EECODE_SIZE	sizeof(slic_eeprom_t)
+#define	MAX_EECODE_SIZE	sizeof(struct slic_eeprom)
 #define MIN_EECODE_SIZE	0x62	/* code size without optional OEM FRU stuff */
 
 /* SLIC CONFIG structure
@@ -830,20 +825,20 @@ typedef struct _oslic_eeprom_t {
  board types.  It is filled in from the appropriate EEPROM structure
  by SlicGetConfigData().
 */
-typedef struct _slic_config_t {
-	boolean		EepromValid;	/* Valid EEPROM flag (checksum good?) */
+struct slic_config {
+	bool EepromValid;	/* Valid EEPROM flag (checksum good?) */
 	ushort		DramSize;	/* DRAM size (bytes / 64K) */
-	slic_config_mac_t	MacInfo[SLIC_NBR_MACS];	/* MAC addresses */
-	uchar		FruFormat;	/* Alacritech FRU format type */
-	atk_fru_t	AtkFru;		/* Alacritech FRU information */
-	uchar		OemFruFormat;	/* optional OEM FRU format type */
-    union {
-      vendor1_fru_t   vendor1_fru;
-      vendor2_fru_t   vendor2_fru;
-      vendor3_fru_t   vendor3_fru;
-      vendor4_fru_t   vendor4_fru;
-    } OemFru;
-} slic_config_t, *pslic_config_t;
+	struct slic_config_mac MacInfo[SLIC_NBR_MACS]; /* MAC addresses */
+	unsigned char		FruFormat;	/* Alacritech FRU format type */
+	struct atk_fru	AtkFru;	/* Alacritech FRU information */
+	unsigned char	OemFruFormat;	/* optional OEM FRU format type */
+	union {
+		struct vendor1_fru   vendor1_fru;
+		struct vendor2_fru   vendor2_fru;
+		struct vendor3_fru   vendor3_fru;
+		struct vendor4_fru   vendor4_fru;
+	} OemFru;
+};
 
 #pragma pack()
 
diff --git a/drivers/staging/slicoss/slicinc.h b/drivers/staging/slicoss/slicinc.h
index 9910306ac33..610c1abd988 100644
--- a/drivers/staging/slicoss/slicinc.h
+++ b/drivers/staging/slicoss/slicinc.h
@@ -2,7 +2,6 @@
  *
  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
  *
- * $Id: slicinc.h,v 1.4 2006/07/14 16:42:56 mook Exp $
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -48,164 +47,135 @@
 #include "slichw.h"
 #include "slic.h"
 
-int slic_entry_probe(struct pci_dev              *pcidev,
+static int slic_entry_probe(struct pci_dev              *pcidev,
 			const struct pci_device_id  *ent);
-int slic_init(struct pci_dev           *pcidev,
-	const struct pci_device_id     *pci_tbl_entry,
-	long                      memaddr,
-	int                       chip_idx,
-	int                       acpi_idle_state);
-void slic_entry_remove(struct pci_dev *pcidev);
+static void slic_entry_remove(struct pci_dev *pcidev);
 
-void slic_init_driver(void);
-int  slic_entry_open(struct net_device *dev);
-int  slic_entry_halt(struct net_device *dev);
-int  slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-int  slic_xmit_start(struct sk_buff *skb, struct net_device *dev);
-void slic_xmit_fail(p_adapter_t        adapter,
+static void slic_init_driver(void);
+static int  slic_entry_open(struct net_device *dev);
+static int  slic_entry_halt(struct net_device *dev);
+static int  slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+static int  slic_xmit_start(struct sk_buff *skb, struct net_device *dev);
+static void slic_xmit_fail(struct adapter    *adapter,
 			struct sk_buff   *skb,
-			pvoid              cmd,
-			ulong32              skbtype,
-			ulong32              status);
-void slic_xmit_timeout(struct net_device *dev);
-void slic_config_pci(struct pci_dev *pcidev);
-struct sk_buff *slic_rcvqueue_getnext(p_adapter_t  adapter);
+			void *cmd,
+			u32           skbtype,
+			u32           status);
+static void slic_xmit_timeout(struct net_device *dev);
+static void slic_config_pci(struct pci_dev *pcidev);
+static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter);
 
-inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush);
-inline void slic_reg64_write(p_adapter_t adapter, void __iomem *reg,
-	ulong32 value, void __iomem *regh, ulong32 paddrh, uint flush);
-inline ulong32 slic_reg32_read(pulong32 reg, uint flush);
-inline ulong32 slic_reg16_read(pulong32 reg, uint flush);
+static inline void slic_reg32_write(void __iomem *reg, u32 value, uint flush);
+static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg,
+	u32 value, void __iomem *regh, u32 paddrh, uint flush);
 
 #if SLIC_GET_STATS_ENABLED
-struct net_device_stats *slic_get_stats(struct net_device *dev);
+static struct net_device_stats *slic_get_stats(struct net_device *dev);
 #endif
 
-int slic_mac_set_address(struct net_device *dev, pvoid ptr);
+static int slic_mac_set_address(struct net_device *dev, void *ptr);
+static void slic_rcv_handler(struct adapter *adapter);
+static void slic_link_event_handler(struct adapter *adapter);
+static void slic_xmit_complete(struct adapter *adapter);
+static void slic_upr_request_complete(struct adapter *adapter, u32 isr);
+static int   slic_rspqueue_init(struct adapter *adapter);
+static int   slic_rspqueue_reset(struct adapter *adapter);
+static void  slic_rspqueue_free(struct adapter *adapter);
+static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter);
+static void  slic_cmdqmem_init(struct adapter *adapter);
+static void  slic_cmdqmem_free(struct adapter *adapter);
+static u32 *slic_cmdqmem_addpage(struct adapter *adapter);
+static int   slic_cmdq_init(struct adapter *adapter);
+static void  slic_cmdq_free(struct adapter *adapter);
+static void  slic_cmdq_reset(struct adapter *adapter);
+static void  slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page);
+static void  slic_cmdq_getdone(struct adapter *adapter);
+static void  slic_cmdq_putdone(struct adapter *adapter,
+						struct slic_hostcmd *cmd);
+static void  slic_cmdq_putdone_irq(struct adapter *adapter,
+						struct slic_hostcmd *cmd);
+static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter);
+static int   slic_rcvqueue_init(struct adapter *adapter);
+static int   slic_rcvqueue_reset(struct adapter *adapter);
+static int   slic_rcvqueue_fill(struct adapter *adapter);
+static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb);
+static void  slic_rcvqueue_free(struct adapter *adapter);
+static void slic_rcv_handle_error(struct adapter *adapter,
+					struct slic_rcvbuf *rcvbuf);
+static void slic_adapter_set_hwaddr(struct adapter *adapter);
+static void slic_card_halt(struct sliccard *card, struct adapter *adapter);
+static int slic_card_init(struct sliccard *card, struct adapter *adapter);
+static void slic_intagg_set(struct adapter *adapter, u32 value);
+static int  slic_card_download(struct adapter *adapter);
+static u32 slic_card_locate(struct adapter *adapter);
 
-int slicproc_card_read(char *page, char **start, off_t off, int count,
-			int *eof, void *data);
-int slicproc_card_write(struct file *file, const char __user *buffer,
-			ulong count, void *data);
-void slicproc_card_create(p_sliccard_t card);
-void slicproc_card_destroy(p_sliccard_t card);
-int slicproc_adapter_read(char *page, char **start, off_t off, int count,
-			int *eof, void *data);
-int slicproc_adapter_write(struct file *file, const char __user *buffer,
-			ulong count, void *data);
-void slicproc_adapter_create(p_adapter_t adapter);
-void slicproc_adapter_destroy(p_adapter_t adapter);
-void slicproc_create(void);
-void slicproc_destroy(void);
-
-void slic_interrupt_process(p_adapter_t  adapter, ulong32 isr);
-void slic_rcv_handler(p_adapter_t  adapter);
-void slic_upr_handler(p_adapter_t  adapter);
-void slic_link_event_handler(p_adapter_t  adapter);
-void slic_xmit_complete(p_adapter_t  adapter);
-void slic_upr_request_complete(p_adapter_t  adapter, ulong32 isr);
-int   slic_rspqueue_init(p_adapter_t  adapter);
-int   slic_rspqueue_reset(p_adapter_t  adapter);
-void  slic_rspqueue_free(p_adapter_t  adapter);
-p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t  adapter);
-void  slic_cmdqmem_init(p_adapter_t  adapter);
-void  slic_cmdqmem_free(p_adapter_t  adapter);
-pulong32 slic_cmdqmem_addpage(p_adapter_t  adapter);
-int   slic_cmdq_init(p_adapter_t  adapter);
-void  slic_cmdq_free(p_adapter_t  adapter);
-void  slic_cmdq_reset(p_adapter_t  adapter);
-void  slic_cmdq_addcmdpage(p_adapter_t  adapter, pulong32 page);
-void  slic_cmdq_getdone(p_adapter_t  adapter);
-void  slic_cmdq_putdone(p_adapter_t  adapter, p_slic_hostcmd_t cmd);
-void  slic_cmdq_putdone_irq(p_adapter_t  adapter, p_slic_hostcmd_t cmd);
-p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t  adapter);
-int   slic_rcvqueue_init(p_adapter_t  adapter);
-int   slic_rcvqueue_reset(p_adapter_t  adapter);
-int   slic_rcvqueue_fill(p_adapter_t  adapter);
-ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb);
-void  slic_rcvqueue_free(p_adapter_t  adapter);
-void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t    rcvbuf);
-void slic_adapter_set_hwaddr(p_adapter_t adapter);
-void slic_card_halt(p_sliccard_t card, p_adapter_t adapter);
-int slic_card_init(p_sliccard_t card, p_adapter_t adapter);
-void slic_intagg_set(p_adapter_t  adapter, ulong32 value);
-int  slic_card_download(p_adapter_t  adapter);
-ulong32 slic_card_locate(p_adapter_t  adapter);
-int  slic_card_removeadapter(p_adapter_t  adapter);
-void slic_card_remaster(p_adapter_t  adapter);
-void slic_card_softreset(p_adapter_t  adapter);
-void slic_card_up(p_adapter_t  adapter);
-void slic_card_down(p_adapter_t  adapter);
-
-void slic_if_stop_queue(p_adapter_t adapter);
-void slic_if_start_queue(p_adapter_t adapter);
-int  slic_if_init(p_adapter_t  adapter);
-void slic_adapter_close(p_adapter_t  adapter);
-int  slic_adapter_allocresources(p_adapter_t  adapter);
-void slic_adapter_freeresources(p_adapter_t  adapter);
-void slic_link_config(p_adapter_t  adapter, ulong32 linkspeed,
-			ulong32 linkduplex);
-void slic_unmap_mmio_space(p_adapter_t adapter);
-void slic_card_cleanup(p_sliccard_t card);
-void slic_init_cleanup(p_adapter_t adapter);
-void slic_card_reclaim_buffers(p_adapter_t adapter);
-void slic_soft_reset(p_adapter_t adapter);
-void slic_card_reset(p_adapter_t adapter);
-boolean slic_mac_filter(p_adapter_t  adapter, p_ether_header ether_frame);
-void slic_mac_address_config(p_adapter_t  adapter);
-void slic_mac_config(p_adapter_t  adapter);
-void slic_mcast_set_mask(p_adapter_t  adapter);
-void slic_mac_setmcastaddrs(p_adapter_t  adapter);
-int slic_mcast_add_list(p_adapter_t adapter, pchar address);
-uchar slic_mcast_get_mac_hash(pchar macaddr);
-void  slic_mcast_set_bit(p_adapter_t adapter, pchar address);
-void slic_config_set(p_adapter_t adapter, boolean linkchange);
-void slic_config_clear(p_adapter_t  adapter);
-void slic_config_get(p_adapter_t  adapter, ulong32 config, ulong32 configh);
-void slic_timer_get_stats(ulong device);
-void slic_timer_load_check(ulong context);
-void slic_timer_ping(ulong dev);
-void slic_stall_msec(int stall);
-void slic_stall_usec(int stall);
-void slic_assert_fail(void);
-ushort slic_eeprom_cksum(pchar m, int len);
+static void slic_if_stop_queue(struct adapter *adapter);
+static void slic_if_start_queue(struct adapter *adapter);
+static int  slic_if_init(struct adapter *adapter);
+static int  slic_adapter_allocresources(struct adapter *adapter);
+static void slic_adapter_freeresources(struct adapter *adapter);
+static void slic_link_config(struct adapter *adapter, u32 linkspeed,
+			u32 linkduplex);
+static void slic_unmap_mmio_space(struct adapter *adapter);
+static void slic_card_cleanup(struct sliccard *card);
+static void slic_init_cleanup(struct adapter *adapter);
+static void slic_soft_reset(struct adapter *adapter);
+static void slic_card_reset(struct adapter *adapter);
+static bool slic_mac_filter(struct adapter *adapter,
+			struct ether_header *ether_frame);
+static void slic_mac_address_config(struct adapter *adapter);
+static void slic_mac_config(struct adapter *adapter);
+static void slic_mcast_set_mask(struct adapter *adapter);
+static int slic_mcast_add_list(struct adapter *adapter, char *address);
+static unsigned char slic_mcast_get_mac_hash(char *macaddr);
+static void  slic_mcast_set_bit(struct adapter *adapter, char *address);
+static void slic_config_set(struct adapter *adapter, bool linkchange);
+static void slic_config_clear(struct adapter *adapter);
+static void slic_config_get(struct adapter *adapter, u32 config,
+			u32 configh);
+static void slic_timer_get_stats(ulong device);
+static void slic_timer_load_check(ulong context);
+static void slic_timer_ping(ulong dev);
+static void slic_assert_fail(void);
+static ushort slic_eeprom_cksum(char *m, int len);
 /* upr */
-void slic_upr_start(p_adapter_t  adapter);
-void slic_link_upr_complete(p_adapter_t  adapter, ulong32 Isr);
-int  slic_upr_request(p_adapter_t      adapter,
-			ulong32            upr_request,
-			ulong32            upr_data,
-			ulong32            upr_data_h,
-			ulong32            upr_buffer,
-			ulong32            upr_buffer_h);
-int  slic_upr_queue_request(p_adapter_t      adapter,
-				ulong32            upr_request,
-				ulong32            upr_data,
-				ulong32            upr_data_h,
-				ulong32            upr_buffer,
-				ulong32            upr_buffer_h);
-void slic_mcast_set_list(struct net_device *dev);
-void  slic_mcast_init_crc32(void);
+static void slic_upr_start(struct adapter *adapter);
+static void slic_link_upr_complete(struct adapter *adapter, u32 Isr);
+static int  slic_upr_request(struct adapter    *adapter,
+			u32            upr_request,
+			u32            upr_data,
+			u32            upr_data_h,
+			u32            upr_buffer,
+			u32            upr_buffer_h);
+static int  slic_upr_queue_request(struct adapter      *adapter,
+				u32            upr_request,
+				u32            upr_data,
+				u32            upr_data_h,
+				u32            upr_buffer,
+				u32            upr_buffer_h);
+static void slic_mcast_set_list(struct net_device *dev);
+static void slic_mcast_init_crc32(void);
 
 #if SLIC_DUMP_ENABLED
-int   slic_dump_thread(void *context);
-uint  slic_init_dump_thread(p_sliccard_t card);
-uchar slic_get_dump_index(pchar path);
-ulong32 slic_dump_card(p_sliccard_t card, boolean resume);
-ulong32 slic_dump_halt(p_sliccard_t card, uchar proc);
-ulong32 slic_dump_reg(p_sliccard_t card, uchar proc);
-ulong32 slic_dump_data(p_sliccard_t card, ulong32 addr,
-			ushort count, uchar desc);
-ulong32 slic_dump_queue(p_sliccard_t card, ulong32 buf_phys,
-			ulong32 buf_physh, ulong32 queue);
-ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue);
-ulong32 slic_dump_cam(p_sliccard_t card, ulong32 addr,
-			ulong32 count, uchar desc);
+static int   slic_dump_thread(void *context);
+static uint  slic_init_dump_thread(struct sliccard *card);
+static unsigned char slic_get_dump_index(char *path);
+static u32 slic_dump_card(struct sliccard *card, bool resume);
+static u32 slic_dump_halt(struct sliccard *card, unsigned char proc);
+static u32 slic_dump_reg(struct sliccard *card, unsigned char proc);
+static u32 slic_dump_data(struct sliccard *card, u32 addr,
+			ushort count, unsigned char desc);
+static u32 slic_dump_queue(struct sliccard *card, u32 buf_phys,
+			u32 buf_physh, u32 queue);
+static u32 slic_dump_load_queue(struct sliccard *card, u32 data,
+				u32 queue);
+static u32 slic_dump_cam(struct sliccard *card, u32 addr,
+			u32 count, unsigned char desc);
 
-ulong32 slic_dump_resume(p_sliccard_t card, uchar proc);
-ulong32 slic_dump_send_cmd(p_sliccard_t card, ulong32 cmd_phys,
-				ulong32 cmd_physh, ulong32 buf_phys,
-				ulong32 buf_physh);
+static u32 slic_dump_resume(struct sliccard *card, unsigned char proc);
+static u32 slic_dump_send_cmd(struct sliccard *card, u32 cmd_phys,
+				u32 cmd_physh, u32 buf_phys,
+				u32 buf_physh);
 
 #define create_file(x)         STATUS_SUCCESS
 #define write_file(w, x, y, z) STATUS_SUCCESS
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index a8c264822de..eb615652a08 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -143,7 +143,7 @@ static int slic_debug = 1;
 static int debug = -1;
 static struct net_device *head_netdevice;
 
-base_driver_t slic_global = { {}, 0, 0, 0, 1, NULL, NULL };
+static struct base_driver slic_global = { {}, 0, 0, 0, 1, NULL, NULL };
 static int intagg_delay = 100;
 static u32 dynamic_intagg;
 static int errormsg;
@@ -183,44 +183,49 @@ MODULE_DEVICE_TABLE(pci, slic_pci_tbl);
 
 #define SLIC_GET_SLIC_HANDLE(_adapter, _pslic_handle)                   \
 {                                                                       \
-    SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+    spin_lock_irqsave(&_adapter->handle_lock.lock,                      \
+			_adapter->handle_lock.flags);                   \
     _pslic_handle  =  _adapter->pfree_slic_handles;                     \
     if (_pslic_handle) {                                                \
 	ASSERT(_pslic_handle->type == SLIC_HANDLE_FREE);                \
 	_adapter->pfree_slic_handles = _pslic_handle->next;             \
     }                                                                   \
-    SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+    spin_unlock_irqrestore(&_adapter->handle_lock.lock,                 \
+			_adapter->handle_lock.flags);                   \
 }
 
 #define SLIC_FREE_SLIC_HANDLE(_adapter, _pslic_handle)                  \
 {                                                                       \
     _pslic_handle->type = SLIC_HANDLE_FREE;                             \
-    SLIC_ACQUIRE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+    spin_lock_irqsave(&_adapter->handle_lock.lock,                      \
+			_adapter->handle_lock.flags);                   \
     _pslic_handle->next = _adapter->pfree_slic_handles;                 \
     _adapter->pfree_slic_handles = _pslic_handle;                       \
-    SLIC_RELEASE_IRQ_SPINLOCK(_adapter->handle_lock);                   \
+    spin_unlock_irqrestore(&_adapter->handle_lock.lock,                 \
+			_adapter->handle_lock.flags);                   \
 }
 
 static void slic_debug_init(void);
 static void slic_debug_cleanup(void);
-static void slic_debug_adapter_create(p_adapter_t adapter);
-static void slic_debug_adapter_destroy(p_adapter_t adapter);
-static void slic_debug_card_create(p_sliccard_t card);
-static void slic_debug_card_destroy(p_sliccard_t card);
+static void slic_debug_adapter_create(struct adapter *adapter);
+static void slic_debug_adapter_destroy(struct adapter *adapter);
+static void slic_debug_card_create(struct sliccard *card);
+static void slic_debug_card_destroy(struct sliccard *card);
 
-inline void slic_reg32_write(void __iomem *reg, ulong32 value, uint flush)
+static inline void slic_reg32_write(void __iomem *reg, u32 value, uint flush)
 {
 	writel(value, reg);
 	if (flush)
 		mb();
 }
 
-inline void slic_reg64_write(p_adapter_t adapter,
+static inline void slic_reg64_write(struct adapter *adapter,
 			       void __iomem *reg,
-			       ulong32 value,
-			       void __iomem *regh, ulong32 paddrh, uint flush)
+			       u32 value,
+			       void __iomem *regh, u32 paddrh, uint flush)
 {
-	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock);
+	spin_lock_irqsave(&adapter->bit64reglock.lock,
+				adapter->bit64reglock.flags);
 	if (paddrh != adapter->curaddrupper) {
 		adapter->curaddrupper = paddrh;
 		writel(paddrh, regh);
@@ -228,31 +233,22 @@ inline void slic_reg64_write(p_adapter_t adapter,
 	writel(value, reg);
 	if (flush)
 		mb();
-	SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock);
+	spin_unlock_irqrestore(&adapter->bit64reglock.lock,
+				adapter->bit64reglock.flags);
 }
 
-inline ulong32 slic_reg32_read(u32 __iomem *reg, uint flush)
-{
-	return readl(reg);
-}
-
-inline ulong32 slic_reg16_read(pulong32 reg, uint flush)
-{
-	return (ushort) readw(reg);
-}
-
-void slic_init_driver(void)
+static void slic_init_driver(void)
 {
 	if (slic_first_init) {
 		DBG_MSG("slicoss: %s slic_first_init set jiffies[%lx]\n",
 			__func__, jiffies);
 		slic_first_init = 0;
-		SLIC_INIT_SPINLOCK(slic_global.driver_lock);
+		spin_lock_init(&slic_global.driver_lock.lock);
 		slic_debug_init();
 	}
 }
 
-static void slic_dbg_macaddrs(p_adapter_t adapter)
+static void slic_dbg_macaddrs(struct adapter *adapter)
 {
 	DBG_MSG("  (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
 		adapter->netdev->name, adapter->currmacaddr[0],
@@ -267,7 +263,8 @@ static void slic_dbg_macaddrs(p_adapter_t adapter)
 }
 
 #ifdef DEBUG_REGISTER_TRACE
-static void slic_dbg_register_trace(p_adapter_t adapter, p_sliccard_t card)
+static void slic_dbg_register_trace(struct adapter *adapter,
+					struct sliccard *card)
 {
 	uint i;
 
@@ -287,9 +284,8 @@ static void slic_init_adapter(struct net_device *netdev,
 			      void __iomem *memaddr, int chip_idx)
 {
 	ushort index;
-	pslic_handle_t pslic_handle;
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(netdev);
-
+	struct slic_handle *pslic_handle;
+	struct adapter *adapter = (struct adapter *)netdev_priv(netdev);
 /*
     DBG_MSG("slicoss: %s (%s)\n    netdev [%p]\n    adapter[%p]\n    "
 	    "pcidev [%p]\n", __func__, netdev->name, netdev, adapter, pcidev);*/
@@ -301,7 +297,7 @@ static void slic_init_adapter(struct net_device *netdev,
 	adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
 	adapter->functionnumber = (pcidev->devfn & 0x7);
 	adapter->memorylength = pci_resource_len(pcidev, 0);
-	adapter->slic_regs = (p_slic_regs_t) memaddr;
+	adapter->slic_regs = (__iomem struct slic_regs *)memaddr;
 	adapter->irq = pcidev->irq;
 /*	adapter->netdev = netdev;*/
 	adapter->next_netdevice = head_netdevice;
@@ -310,11 +306,11 @@ static void slic_init_adapter(struct net_device *netdev,
 	adapter->port = 0;	/*adapter->functionnumber;*/
 	adapter->cardindex = adapter->port;
 	adapter->memorybase = memaddr;
-	SLIC_INIT_SPINLOCK(adapter->upr_lock);
-	SLIC_INIT_SPINLOCK(adapter->bit64reglock);
-	SLIC_INIT_SPINLOCK(adapter->adapter_lock);
-	SLIC_INIT_SPINLOCK(adapter->reset_lock);
-	SLIC_INIT_SPINLOCK(adapter->handle_lock);
+	spin_lock_init(&adapter->upr_lock.lock);
+	spin_lock_init(&adapter->bit64reglock.lock);
+	spin_lock_init(&adapter->adapter_lock.lock);
+	spin_lock_init(&adapter->reset_lock.lock);
+	spin_lock_init(&adapter->handle_lock.lock);
 
 	adapter->card_size = 1;
 	/*
@@ -335,36 +331,36 @@ static void slic_init_adapter(struct net_device *netdev,
 /*
     DBG_MSG(".........\nix[%d] phandle[%p] pfree[%p] next[%p]\n",
 	index, pslic_handle, adapter->pfree_slic_handles, pslic_handle->next);*/
-	adapter->pshmem = (p_slic_shmem_t) pci_alloc_consistent(adapter->pcidev,
-								sizeof
-								(slic_shmem_t),
-								&adapter->
-								phys_shmem);
+	adapter->pshmem = (struct slic_shmem *)
+					pci_alloc_consistent(adapter->pcidev,
+					sizeof(struct slic_shmem *),
+					&adapter->
+					phys_shmem);
 /*
       DBG_MSG("slicoss: %s (%s)\n   pshmem    [%p]\n   phys_shmem[%p]\n"\
 		"slic_regs [%p]\n", __func__, netdev->name, adapter->pshmem,
-		(pvoid)adapter->phys_shmem, adapter->slic_regs);
+		(void *)adapter->phys_shmem, adapter->slic_regs);
 */
 	ASSERT(adapter->pshmem);
 
-	SLIC_ZERO_MEMORY(adapter->pshmem, sizeof(slic_shmem_t));
+	memset(adapter->pshmem, 0, sizeof(struct slic_shmem));
 
 	return;
 }
 
-int __devinit slic_entry_probe(struct pci_dev *pcidev,
+static int __devinit slic_entry_probe(struct pci_dev *pcidev,
 			       const struct pci_device_id *pci_tbl_entry)
 {
 	static int cards_found;
 	static int did_version;
 	int err;
 	struct net_device *netdev;
-	p_adapter_t adapter;
+	struct adapter *adapter;
 	void __iomem *memmapped_ioaddr = NULL;
-	ulong32 status = 0;
+	u32 status = 0;
 	ulong mmio_start = 0;
 	ulong mmio_len = 0;
-	p_sliccard_t card = NULL;
+	struct sliccard *card = NULL;
 
 	DBG_MSG("slicoss: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n",
 		__func__, jiffies, smp_processor_id());
@@ -408,7 +404,7 @@ int __devinit slic_entry_probe(struct pci_dev *pcidev,
 	pci_set_master(pcidev);
 
 	DBG_MSG("call alloc_etherdev\n");
-	netdev = alloc_etherdev(sizeof(adapter_t));
+	netdev = alloc_etherdev(sizeof(struct adapter));
 	if (!netdev) {
 		err = -ENOMEM;
 		goto err_out_exit_slic_probe;
@@ -428,7 +424,7 @@ int __devinit slic_entry_probe(struct pci_dev *pcidev,
 	DBG_MSG("slicoss: call ioremap(mmio_start[%lx], mmio_len[%lx])\n",
 		mmio_start, mmio_len);
 
-/*  memmapped_ioaddr =  (ulong32)ioremap_nocache(mmio_start, mmio_len);*/
+/*  memmapped_ioaddr =  (u32)ioremap_nocache(mmio_start, mmio_len);*/
 	memmapped_ioaddr = ioremap(mmio_start, mmio_len);
 	DBG_MSG("slicoss: %s MEMMAPPED_IOADDR [%p]\n", __func__,
 		memmapped_ioaddr);
@@ -530,11 +526,11 @@ err_out_exit_slic_probe:
 	return -ENODEV;
 }
 
-int slic_entry_open(struct net_device *dev)
+static int slic_entry_open(struct net_device *dev)
 {
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-	p_sliccard_t card = adapter->card;
-	ulong32 locked = 0;
+	struct adapter *adapter = (struct adapter *) netdev_priv(dev);
+	struct sliccard *card = adapter->card;
+	u32 locked = 0;
 	int status;
 
 	ASSERT(adapter);
@@ -552,7 +548,8 @@ int slic_entry_open(struct net_device *dev)
 
 	netif_stop_queue(adapter->netdev);
 
-	SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
+	spin_lock_irqsave(&slic_global.driver_lock.lock,
+				slic_global.driver_lock.flags);
 	locked = 1;
 	if (!adapter->activated) {
 		card->adapters_activated++;
@@ -568,7 +565,8 @@ int slic_entry_open(struct net_device *dev)
 			adapter->activated = 0;
 		}
 		if (locked) {
-			SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+			spin_unlock_irqrestore(&slic_global.driver_lock.lock,
+						slic_global.driver_lock.flags);
 			locked = 0;
 		}
 		return status;
@@ -583,7 +581,8 @@ int slic_entry_open(struct net_device *dev)
 #endif
 
 	if (locked) {
-		SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+		spin_unlock_irqrestore(&slic_global.driver_lock.lock,
+					slic_global.driver_lock.flags);
 		locked = 0;
 	}
 #if SLIC_DUMP_ENABLED
@@ -599,13 +598,13 @@ int slic_entry_open(struct net_device *dev)
 	return STATUS_SUCCESS;
 }
 
-void __devexit slic_entry_remove(struct pci_dev *pcidev)
+static void __devexit slic_entry_remove(struct pci_dev *pcidev)
 {
 	struct net_device *dev = pci_get_drvdata(pcidev);
-	ulong32 mmio_start = 0;
+	u32 mmio_start = 0;
 	uint mmio_len = 0;
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-	p_sliccard_t card;
+	struct adapter *adapter = (struct adapter *) netdev_priv(dev);
+	struct sliccard *card;
 
 	ASSERT(adapter);
 	DBG_MSG("slicoss: %s ENTER dev[%p] adapter[%p]\n", __func__, dev,
@@ -635,7 +634,7 @@ void __devexit slic_entry_remove(struct pci_dev *pcidev)
 	     __func__, card->adapters_activated, card->adapters_allocated,
 	     card, adapter);
 	if (!card->adapters_allocated) {
-		p_sliccard_t curr_card = slic_global.slic_card;
+		struct sliccard *curr_card = slic_global.slic_card;
 		if (curr_card == card) {
 			slic_global.slic_card = card->next;
 		} else {
@@ -649,17 +648,18 @@ void __devexit slic_entry_remove(struct pci_dev *pcidev)
 		slic_card_cleanup(card);
 	}
 	DBG_MSG("slicoss: %s deallocate device\n", __func__);
-	SLIC_DEALLOCATE_MEM(dev);
+	kfree(dev);
 	DBG_MSG("slicoss: %s EXIT\n", __func__);
 }
 
-int slic_entry_halt(struct net_device *dev)
+static int slic_entry_halt(struct net_device *dev)
 {
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-	p_sliccard_t card = adapter->card;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct sliccard *card = adapter->card;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
-	SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
+	spin_lock_irqsave(&slic_global.driver_lock.lock,
+				slic_global.driver_lock.flags);
 	ASSERT(card);
 	DBG_MSG("slicoss: %s (%s) ENTER\n", __func__, dev->name);
 	DBG_MSG("slicoss: %s (%s) actvtd[%d] alloc[%d] state[%x] adapt[%p]\n",
@@ -730,11 +730,12 @@ int slic_entry_halt(struct net_device *dev)
 
 	DBG_MSG("slicoss: %s (%s) EXIT\n", __func__, dev->name);
 	DBG_MSG("slicoss: %s EXIT\n", __func__);
-	SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+	spin_unlock_irqrestore(&slic_global.driver_lock.lock,
+				slic_global.driver_lock.flags);
 	return STATUS_SUCCESS;
 }
 
-int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
 	ASSERT(rq);
 /*
@@ -743,9 +744,10 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	switch (cmd) {
 	case SIOCSLICSETINTAGG:
 		{
-			p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-			ulong32 data[7];
-			ulong32 intagg;
+			struct adapter *adapter = (struct adapter *)
+							netdev_priv(dev);
+			u32 data[7];
+			u32 intagg;
 
 			if (copy_from_user(data, rq->ifr_data, 28)) {
 				DBG_ERROR
@@ -763,8 +765,9 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 #ifdef SLIC_USER_REQUEST_DUMP_ENABLED
 	case SIOCSLICDUMPCARD:
 		{
-			p_adapter_t adapter = (p_adapter_t) dev->priv;
-			p_sliccard_t card;
+			struct adapter *adapter = (struct adapter *)
+							dev->priv;
+			struct sliccard *card;
 
 			ASSERT(adapter);
 			ASSERT(adapter->card)
@@ -833,7 +836,8 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 #if SLIC_ETHTOOL_SUPPORT
 	case SIOCETHTOOL:
 		{
-			p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+			struct adapter *adapter = (struct adapter *)
+							netdev_priv(dev);
 			struct ethtool_cmd data;
 			struct ethtool_cmd ecmd;
 
@@ -892,8 +896,8 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 				data.maxrxpkt = 1;
 				if ((ecmd.speed != data.speed) ||
 				    (ecmd.duplex != data.duplex)) {
-					ulong32 speed;
-					ulong32 duplex;
+					u32 speed;
+					u32 duplex;
 
 					if (ecmd.speed == SPEED_10) {
 						speed = 0;
@@ -935,10 +939,10 @@ int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 #define  XMIT_FAIL_ZERO_LENGTH              2
 #define  XMIT_FAIL_HOSTCMD_FAIL             3
 
-static void slic_xmit_build_request(p_adapter_t adapter,
-			     p_slic_hostcmd_t hcmd, struct sk_buff *skb)
+static void slic_xmit_build_request(struct adapter *adapter,
+			     struct slic_hostcmd *hcmd, struct sk_buff *skb)
 {
-	p_slic_host64_cmd_t ihcmd;
+	struct slic_host64_cmd *ihcmd;
 	ulong phys_addr;
 
 	ihcmd = &hcmd->cmd64;
@@ -946,16 +950,17 @@ static void slic_xmit_build_request(p_adapter_t adapter,
 	ihcmd->flags = (adapter->port << IHFLG_IFSHFT);
 	ihcmd->command = IHCMD_XMT_REQ;
 	ihcmd->u.slic_buffers.totlen = skb->len;
-	phys_addr = SLIC_GET_DMA_ADDRESS_WRITE(adapter, skb->data, skb->len);
+	phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len,
+			PCI_DMA_TODEVICE);
 	ihcmd->u.slic_buffers.bufs[0].paddrl = SLIC_GET_ADDR_LOW(phys_addr);
 	ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
 	ihcmd->u.slic_buffers.bufs[0].length = skb->len;
 #if defined(CONFIG_X86_64)
-	hcmd->cmdsize = (ulong32) ((((ulong64)&ihcmd->u.slic_buffers.bufs[1] -
-				     (ulong64) hcmd) + 31) >> 5);
+	hcmd->cmdsize = (u32) ((((u64)&ihcmd->u.slic_buffers.bufs[1] -
+				     (u64) hcmd) + 31) >> 5);
 #elif defined(CONFIG_X86)
-	hcmd->cmdsize = ((((ulong32) &ihcmd->u.slic_buffers.bufs[1] -
-			   (ulong32) hcmd) + 31) >> 5);
+	hcmd->cmdsize = ((((u32) &ihcmd->u.slic_buffers.bufs[1] -
+			   (u32) hcmd) + 31) >> 5);
 #else
 	Stop Compilation;
 #endif
@@ -963,14 +968,14 @@ static void slic_xmit_build_request(p_adapter_t adapter,
 
 #define NORMAL_ETHFRAME     0
 
-int slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
+static int slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
 {
-	p_sliccard_t card;
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-	p_slic_hostcmd_t hcmd = NULL;
-	ulong32 status = 0;
-	ulong32 skbtype = NORMAL_ETHFRAME;
-	pvoid offloadcmd = NULL;
+	struct sliccard *card;
+	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct slic_hostcmd *hcmd = NULL;
+	u32 status = 0;
+	u32 skbtype = NORMAL_ETHFRAME;
+	void *offloadcmd = NULL;
 
 	card = adapter->card;
 	ASSERT(card);
@@ -1035,9 +1040,9 @@ xmit_fail:
 	goto xmit_done;
 }
 
-void slic_xmit_fail(p_adapter_t adapter,
+static void slic_xmit_fail(struct adapter *adapter,
 		    struct sk_buff *skb,
-		    pvoid cmd, ulong32 skbtype, ulong32 status)
+		    void *cmd, u32 skbtype, u32 status)
 {
 	if (adapter->xmitq_full)
 		slic_if_stop_queue(adapter);
@@ -1072,31 +1077,10 @@ void slic_xmit_fail(p_adapter_t adapter,
 	adapter->stats.tx_dropped++;
 }
 
-void slic_xmit_timeout(struct net_device *dev)
-{
-	p_sliccard_t card;
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-	ulong32 i;
-
-	ASSERT(adapter);
-	card = adapter->card;
-	ASSERT(card);
-	for (i = 0; i < card->card_size; i++) {
-		if (card->adapter[i])
-			slic_if_stop_queue(card->adapter[i]);
-	}
-	if (!card->reset_in_progress) {
-		DBG_ERROR
-		    ("%s card[%p] state[%x] adapter[%p] port[%d] state[%x]\n",
-		     __func__, card, card->state, adapter, adapter->port,
-		     adapter->state);
-		slic_card_reset(adapter);
-	}
-}
-
-void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf)
+static void slic_rcv_handle_error(struct adapter *adapter,
+					struct slic_rcvbuf *rcvbuf)
 {
-	p_slic_hddr_wds hdr = (p_slic_hddr_wds) rcvbuf->data;
+	struct slic_hddr_wds *hdr = (struct slic_hddr_wds *)rcvbuf->data;
 
 	if (adapter->devid != SLIC_1GB_DEVICE_ID) {
 		if (hdr->frame_status14 & VRHSTAT_802OE)
@@ -1141,7 +1125,7 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf)
 			adapter->if_events.IpHlen++;
 	} else {
 		if (hdr->frame_statusGB & VGBSTAT_XPERR) {
-			ulong32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
+			u32 xerr = hdr->frame_statusGB >> VGBSTAT_XERRSHFT;
 
 			if (xerr == VGBSTAT_XCSERR)
 				adapter->if_events.TpCsum++;
@@ -1151,7 +1135,7 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf)
 				adapter->if_events.TpHlen++;
 		}
 		if (hdr->frame_statusGB & VGBSTAT_NETERR) {
-			ulong32 nerr =
+			u32 nerr =
 			    (hdr->
 			     frame_statusGB >> VGBSTAT_NERRSHFT) &
 			    VGBSTAT_NERRMSK;
@@ -1163,7 +1147,7 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf)
 				adapter->if_events.IpHlen++;
 		}
 		if (hdr->frame_statusGB & VGBSTAT_LNKERR) {
-			ulong32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
+			u32 lerr = hdr->frame_statusGB & VGBSTAT_LERRMSK;
 
 			if (lerr == VGBSTAT_LDEARLY)
 				adapter->if_events.rcvearly++;
@@ -1187,17 +1171,17 @@ void slic_rcv_handle_error(p_adapter_t adapter, p_slic_rcvbuf_t rcvbuf)
 #define TCP_OFFLOAD_FRAME_PUSHFLAG  0x10000000
 #define M_FAST_PATH                 0x0040
 
-void slic_rcv_handler(p_adapter_t adapter)
+static void slic_rcv_handler(struct adapter *adapter)
 {
 	struct sk_buff *skb;
-	p_slic_rcvbuf_t rcvbuf;
-	ulong32 frames = 0;
+	struct slic_rcvbuf *rcvbuf;
+	u32 frames = 0;
 
 	while ((skb = slic_rcvqueue_getnext(adapter))) {
-		ulong32 rx_bytes;
+		u32 rx_bytes;
 
 		ASSERT(skb->head);
-		rcvbuf = (p_slic_rcvbuf_t) skb->head;
+		rcvbuf = (struct slic_rcvbuf *)skb->head;
 		adapter->card->events++;
 		if (rcvbuf->status & IRHDDR_ERR) {
 			adapter->rx_errors++;
@@ -1206,7 +1190,8 @@ void slic_rcv_handler(p_adapter_t adapter)
 			continue;
 		}
 
-		if (!slic_mac_filter(adapter, (p_ether_header) rcvbuf->data)) {
+		if (!slic_mac_filter(adapter, (struct ether_header *)
+					rcvbuf->data)) {
 #if 0
 			DBG_MSG
 			    ("slicoss: %s (%s) drop frame due to mac filter\n",
@@ -1239,12 +1224,12 @@ void slic_rcv_handler(p_adapter_t adapter)
 	adapter->max_isr_rcvs = max(adapter->max_isr_rcvs, frames);
 }
 
-void slic_xmit_complete(p_adapter_t adapter)
+static void slic_xmit_complete(struct adapter *adapter)
 {
-	p_slic_hostcmd_t hcmd;
-	p_slic_rspbuf_t rspbuf;
-	ulong32 frames = 0;
-	slic_handle_word_t slic_handle_word;
+	struct slic_hostcmd *hcmd;
+	struct slic_rspbuf *rspbuf;
+	u32 frames = 0;
+	struct slic_handle_word slic_handle_word;
 
 	do {
 		rspbuf = slic_rspqueue_getnext(adapter);
@@ -1259,10 +1244,10 @@ void slic_xmit_complete(p_adapter_t adapter)
 		ASSERT(slic_handle_word.handle_index);
 		ASSERT(slic_handle_word.handle_index <= SLIC_CMDQ_MAXCMDS);
 		hcmd =
-		    (p_slic_hostcmd_t) adapter->slic_handles[slic_handle_word.
-							     handle_index].
-		    address;
-/*      hcmd = (p_slic_hostcmd_t) rspbuf->hosthandle; */
+		    (struct slic_hostcmd *)
+			adapter->slic_handles[slic_handle_word.handle_index].
+									address;
+/*      hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */
 		ASSERT(hcmd);
 		ASSERT(hcmd->pslic_handle ==
 		       &adapter->slic_handles[slic_handle_word.handle_index]);
@@ -1286,9 +1271,9 @@ void slic_xmit_complete(p_adapter_t adapter)
 
 static irqreturn_t slic_interrupt(int irq, void *dev_id)
 {
-	struct net_device *dev = (struct net_device *) dev_id;
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-	ulong32 isr;
+	struct net_device *dev = (struct net_device *)dev_id;
+	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	u32 isr;
 
 	if ((adapter->pshmem) && (adapter->pshmem->isr)) {
 		WRITE_REG(adapter->slic_regs->slic_icr, ICR_INT_MASK, FLUSH);
@@ -1305,7 +1290,7 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id)
 						int pre_count;
 						int errors;
 
-						p_slic_rcvqueue_t rcvq =
+						struct slic_rcvqueue *rcvq =
 						    &adapter->rcvqueue;
 
 						adapter->
@@ -1400,17 +1385,17 @@ static irqreturn_t slic_interrupt(int irq, void *dev_id)
  * will also complete asynchronously.
  *
  */
-void slic_link_event_handler(p_adapter_t adapter)
+static void slic_link_event_handler(struct adapter *adapter)
 {
 	int status;
-	p_slic_shmem_t pshmem;
+	struct slic_shmem *pshmem;
 
 	if (adapter->state != ADAPT_UP) {
 		/* Adapter is not operational.  Ignore.  */
 		return;
 	}
 
-	pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+	pshmem = (struct slic_shmem *)adapter->phys_shmem;
 
 #if defined(CONFIG_X86_64)
 /*
@@ -1425,7 +1410,7 @@ void slic_link_event_handler(p_adapter_t adapter)
 				  0, 0);
 #elif defined(CONFIG_X86)
 	status = slic_upr_request(adapter, SLIC_UPR_RLSR,
-		(ulong32) &pshmem->linkstatus,	/* no 4GB wrap guaranteed */
+		(u32) &pshmem->linkstatus,	/* no 4GB wrap guaranteed */
 				  0, 0, 0);
 #else
 	Stop compilation;
@@ -1433,7 +1418,7 @@ void slic_link_event_handler(p_adapter_t adapter)
 	ASSERT((status == STATUS_SUCCESS) || (status == STATUS_PENDING));
 }
 
-void slic_init_cleanup(p_adapter_t adapter)
+static void slic_init_cleanup(struct adapter *adapter)
 {
 	DBG_MSG("slicoss: %s ENTER adapter[%p] ", __func__, adapter);
 	if (adapter->intrregistered) {
@@ -1445,9 +1430,9 @@ void slic_init_cleanup(p_adapter_t adapter)
 	if (adapter->pshmem) {
 		DBG_MSG("FREE_SHMEM ");
 		DBG_MSG("adapter[%p] port %d pshmem[%p] FreeShmem ",
-			adapter, adapter->port, (pvoid) adapter->pshmem);
+			adapter, adapter->port, (void *) adapter->pshmem);
 		pci_free_consistent(adapter->pcidev,
-				    sizeof(slic_shmem_t),
+				    sizeof(struct slic_shmem *),
 				    adapter->pshmem, adapter->phys_shmem);
 		adapter->pshmem = NULL;
 		adapter->phys_shmem = (dma_addr_t) NULL;
@@ -1475,9 +1460,9 @@ void slic_init_cleanup(p_adapter_t adapter)
 }
 
 #if SLIC_GET_STATS_ENABLED
-struct net_device_stats *slic_get_stats(struct net_device *dev)
+static struct net_device_stats *slic_get_stats(struct net_device *dev)
 {
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
 	struct net_device_stats *stats;
 
 	ASSERT(adapter);
@@ -1500,10 +1485,10 @@ struct net_device_stats *slic_get_stats(struct net_device *dev)
  *  Allocate a mcast_address structure to hold the multicast address.
  *  Link it in.
  */
-int slic_mcast_add_list(p_adapter_t adapter, pchar address)
+static int slic_mcast_add_list(struct adapter *adapter, char *address)
 {
-	p_mcast_address_t mcaddr, mlist;
-	boolean equaladdr;
+	struct mcast_address *mcaddr, *mlist;
+	bool equaladdr;
 
 	/* Check to see if it already exists */
 	mlist = adapter->mcastaddrs;
@@ -1515,7 +1500,7 @@ int slic_mcast_add_list(p_adapter_t adapter, pchar address)
 	}
 
 	/* Doesn't already exist.  Allocate a structure to hold it */
-	mcaddr = SLIC_ALLOCATE_MEM(sizeof(mcast_address_t), GFP_ATOMIC);
+	mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC);
 	if (mcaddr == NULL)
 		return 1;
 
@@ -1545,10 +1530,10 @@ static u32 slic_crc_init;	/* Is table initialized */
 /*
  *  Contruct the CRC32 table
  */
-void slic_mcast_init_crc32(void)
+static void slic_mcast_init_crc32(void)
 {
-	ulong32 c;		/*  CRC shit reg                 */
-	ulong32 e = 0;		/*  Poly X-or pattern            */
+	u32 c;		/*  CRC shit reg                 */
+	u32 e = 0;		/*  Poly X-or pattern            */
 	int i;			/*  counter                      */
 	int k;			/*  byte being shifted into crc  */
 
@@ -1568,12 +1553,12 @@ void slic_mcast_init_crc32(void)
 /*
  *  Return the MAC hast as described above.
  */
-uchar slic_mcast_get_mac_hash(pchar macaddr)
+static unsigned char slic_mcast_get_mac_hash(char *macaddr)
 {
-	ulong32 crc;
-	pchar p;
+	u32 crc;
+	char *p;
 	int i;
-	uchar machash = 0;
+	unsigned char machash = 0;
 
 	if (!slic_crc_init) {
 		slic_mcast_init_crc32();
@@ -1591,9 +1576,9 @@ uchar slic_mcast_get_mac_hash(pchar macaddr)
 	return machash;
 }
 
-void slic_mcast_set_bit(p_adapter_t adapter, pchar address)
+static void slic_mcast_set_bit(struct adapter *adapter, char *address)
 {
-	uchar crcpoly;
+	unsigned char crcpoly;
 
 	/* Get the CRC polynomial for the mac address */
 	crcpoly = slic_mcast_get_mac_hash(address);
@@ -1604,22 +1589,22 @@ void slic_mcast_set_bit(p_adapter_t adapter, pchar address)
 	crcpoly &= 0x3F;
 
 	/* OR in the new bit into our 64 bit mask. */
-	adapter->mcastmask |= (ulong64) 1 << crcpoly;
+	adapter->mcastmask |= (u64) 1 << crcpoly;
 }
 
-void slic_mcast_set_list(struct net_device *dev)
+static void slic_mcast_set_list(struct net_device *dev)
 {
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
 	int status = STATUS_SUCCESS;
 	int i;
-	pchar addresses;
+	char *addresses;
 	struct dev_mc_list *mc_list = dev->mc_list;
 	int mc_count = dev->mc_count;
 
 	ASSERT(adapter);
 
 	for (i = 1; i <= mc_count; i++) {
-		addresses = (pchar) &mc_list->dmi_addr;
+		addresses = (char *) &mc_list->dmi_addr;
 		if (mc_list->dmi_addrlen == 6) {
 			status = slic_mcast_add_list(adapter, addresses);
 			if (status != STATUS_SUCCESS)
@@ -1657,9 +1642,9 @@ void slic_mcast_set_list(struct net_device *dev)
 	return;
 }
 
-void slic_mcast_set_mask(p_adapter_t adapter)
+static void slic_mcast_set_mask(struct adapter *adapter)
 {
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
 	DBG_MSG("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__,
 		adapter->netdev->name, (uint) adapter->macopts,
@@ -1687,20 +1672,20 @@ void slic_mcast_set_mask(p_adapter_t adapter)
 			((ulong) ((adapter->mcastmask >> 32) & 0xFFFFFFFF)));
 
 		WRITE_REG(slic_regs->slic_mcastlow,
-			  (ulong32) (adapter->mcastmask & 0xFFFFFFFF), FLUSH);
+			  (u32) (adapter->mcastmask & 0xFFFFFFFF), FLUSH);
 		WRITE_REG(slic_regs->slic_mcasthigh,
-			  (ulong32) ((adapter->mcastmask >> 32) & 0xFFFFFFFF),
+			  (u32) ((adapter->mcastmask >> 32) & 0xFFFFFFFF),
 			  FLUSH);
 	}
 }
 
-void slic_timer_ping(ulong dev)
+static void slic_timer_ping(ulong dev)
 {
-	p_adapter_t adapter;
-	p_sliccard_t card;
+	struct adapter *adapter;
+	struct sliccard *card;
 
 	ASSERT(dev);
-	adapter = (p_adapter_t) ((struct net_device *) dev)->priv;
+	adapter = (struct adapter *)((struct net_device *) dev)->priv;
 	ASSERT(adapter);
 	card = adapter->card;
 	ASSERT(card);
@@ -1741,12 +1726,12 @@ void slic_timer_ping(ulong dev)
 	add_timer(&adapter->pingtimer);
 }
 
-void slic_if_stop_queue(p_adapter_t adapter)
+static void slic_if_stop_queue(struct adapter *adapter)
 {
 	netif_stop_queue(adapter->netdev);
 }
 
-void slic_if_start_queue(p_adapter_t adapter)
+static void slic_if_start_queue(struct adapter *adapter)
 {
 	netif_start_queue(adapter->netdev);
 }
@@ -1757,12 +1742,12 @@ void slic_if_start_queue(p_adapter_t adapter)
  *  Perform initialization of our slic interface.
  *
  */
-int slic_if_init(p_adapter_t adapter)
+static int slic_if_init(struct adapter *adapter)
 {
-	p_sliccard_t card = adapter->card;
+	struct sliccard *card = adapter->card;
 	struct net_device *dev = adapter->netdev;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
-	p_slic_shmem_t pshmem;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
+	struct slic_shmem *pshmem;
 	int status = 0;
 
 	ASSERT(card);
@@ -1829,12 +1814,13 @@ int slic_if_init(p_adapter_t adapter)
 	DBG_MSG("slicoss: %s disable interrupts(slic)\n", __func__);
 
 	WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
-	slic_stall_msec(1);
+	mdelay(1);
 
 	if (!adapter->isp_initialized) {
-		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+		pshmem = (struct slic_shmem *)adapter->phys_shmem;
 
-		SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock);
+		spin_lock_irqsave(&adapter->bit64reglock.lock,
+					adapter->bit64reglock.flags);
 
 #if defined(CONFIG_X86_64)
 		WRITE_REG(slic_regs->slic_addr_upper,
@@ -1842,12 +1828,13 @@ int slic_if_init(p_adapter_t adapter)
 		WRITE_REG(slic_regs->slic_isp,
 			  SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
 #elif defined(CONFIG_X86)
-		WRITE_REG(slic_regs->slic_addr_upper, (ulong32) 0, DONT_FLUSH);
-		WRITE_REG(slic_regs->slic_isp, (ulong32) &pshmem->isr, FLUSH);
+		WRITE_REG(slic_regs->slic_addr_upper, (u32) 0, DONT_FLUSH);
+		WRITE_REG(slic_regs->slic_isp, (u32) &pshmem->isr, FLUSH);
 #else
 		Stop Compilations
 #endif
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock);
+		spin_unlock_irqrestore(&adapter->bit64reglock.lock,
+					adapter->bit64reglock.flags);
 		adapter->isp_initialized = 1;
 	}
 
@@ -1908,7 +1895,7 @@ int slic_if_init(p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-void slic_unmap_mmio_space(p_adapter_t adapter)
+static void slic_unmap_mmio_space(struct adapter *adapter)
 {
 #if LINUX_FREES_ADAPTER_RESOURCES
 	if (adapter->slic_regs)
@@ -1917,7 +1904,7 @@ void slic_unmap_mmio_space(p_adapter_t adapter)
 #endif
 }
 
-int slic_adapter_allocresources(p_adapter_t adapter)
+static int slic_adapter_allocresources(struct adapter *adapter)
 {
 	if (!adapter->intrregistered) {
 		int retval;
@@ -1929,14 +1916,16 @@ int slic_adapter_allocresources(p_adapter_t adapter)
 		     (void *)adapter->phys_shmem, adapter->netdev->irq,
 		     NR_IRQS);
 
-		SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
+		spin_unlock_irqrestore(&slic_global.driver_lock.lock,
+					slic_global.driver_lock.flags);
 
 		retval = request_irq(adapter->netdev->irq,
 				     &slic_interrupt,
 				     IRQF_SHARED,
 				     adapter->netdev->name, adapter->netdev);
 
-		SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
+		spin_lock_irqsave(&slic_global.driver_lock.lock,
+					slic_global.driver_lock.flags);
 
 		if (retval) {
 			DBG_ERROR("slicoss: request_irq (%s) FAILED [%x]\n",
@@ -1953,7 +1942,7 @@ int slic_adapter_allocresources(p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-void slic_config_pci(struct pci_dev *pcidev)
+static void slic_config_pci(struct pci_dev *pcidev)
 {
 	u16 pci_command;
 	u16 new_command;
@@ -1972,11 +1961,11 @@ void slic_config_pci(struct pci_dev *pcidev)
 	}
 }
 
-void slic_adapter_freeresources(p_adapter_t adapter)
+static void slic_adapter_freeresources(struct adapter *adapter)
 {
 	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
 	slic_init_cleanup(adapter);
-	SLIC_ZERO_MEMORY(&adapter->stats, sizeof(struct net_device_stats));
+	memset(&adapter->stats, 0, sizeof(struct net_device_stats));
 	adapter->error_interrupts = 0;
 	adapter->rcv_interrupts = 0;
 	adapter->xmit_interrupts = 0;
@@ -1996,14 +1985,14 @@ void slic_adapter_freeresources(p_adapter_t adapter)
  *  Write phy control to configure link duplex/speed
  *
  */
-void slic_link_config(p_adapter_t adapter,
-		      ulong32 linkspeed, ulong32 linkduplex)
+static void slic_link_config(struct adapter *adapter,
+		      u32 linkspeed, u32 linkduplex)
 {
-	ulong32 speed;
-	ulong32 duplex;
-	ulong32 phy_config;
-	ulong32 phy_advreg;
-	ulong32 phy_gctlreg;
+	u32 speed;
+	u32 duplex;
+	u32 phy_config;
+	u32 phy_advreg;
+	u32 phy_gctlreg;
 
 	if (adapter->state != ADAPT_UP) {
 		DBG_MSG
@@ -2052,7 +2041,7 @@ void slic_link_config(p_adapter_t adapter,
 					  phy_config, FLUSH);
 				/* wait, Marvell says 1 sec,
 				   try to get away with 10 ms  */
-				slic_stall_msec(10);
+				mdelay(10);
 
 				/* disable auto-neg, set speed/duplex,
 				   soft reset phy, powerup */
@@ -2140,7 +2129,7 @@ void slic_link_config(p_adapter_t adapter,
 		WRITE_REG(adapter->slic_regs->slic_wphy, phy_config, FLUSH);
 
 		/* wait, Marvell says 1 sec, try to get away with 10 ms */
-		slic_stall_msec(10);
+		mdelay(10);
 
 		if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
 			/* if a Marvell PHY
@@ -2164,24 +2153,24 @@ void slic_link_config(p_adapter_t adapter,
 	    phy_config);
 }
 
-void slic_card_cleanup(p_sliccard_t card)
+static void slic_card_cleanup(struct sliccard *card)
 {
 	DBG_MSG("slicoss: %s ENTER\n", __func__);
 
 #if SLIC_DUMP_ENABLED
 	if (card->dumpbuffer) {
-		SLIC_DEALLOCATE_MEM(card->dumpbuffer);
-		card->dumpbuffer = NULL;
 		card->dumpbuffer_phys = 0;
 		card->dumpbuffer_physl = 0;
 		card->dumpbuffer_physh = 0;
+		kfree(card->dumpbuffer);
+		card->dumpbuffer = NULL;
 	}
 	if (card->cmdbuffer) {
-		SLIC_DEALLOCATE_MEM(card->cmdbuffer);
-		card->cmdbuffer = NULL;
 		card->cmdbuffer_phys = 0;
 		card->cmdbuffer_physl = 0;
 		card->cmdbuffer_physh = 0;
+		kfree(card->cmdbuffer);
+		card->cmdbuffer = NULL;
 	}
 #endif
 
@@ -2192,24 +2181,24 @@ void slic_card_cleanup(p_sliccard_t card)
 
 	slic_debug_card_destroy(card);
 
-	SLIC_DEALLOCATE_MEM(card);
+	kfree(card);
 	DBG_MSG("slicoss: %s EXIT\n", __func__);
 }
 
-static int slic_card_download_gbrcv(p_adapter_t adapter)
+static int slic_card_download_gbrcv(struct adapter *adapter)
 {
-	p_slic_regs_t slic_regs = adapter->slic_regs;
-	ulong32 codeaddr;
-	puchar instruction = NULL;
-	ulong32 rcvucodelen = 0;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
+	u32 codeaddr;
+	unsigned char *instruction = NULL;
+	u32 rcvucodelen = 0;
 
 	switch (adapter->devid) {
 	case SLIC_2GB_DEVICE_ID:
-		instruction = (puchar) &OasisRcvUCode[0];
+		instruction = (unsigned char *)&OasisRcvUCode[0];
 		rcvucodelen = OasisRcvUCodeLen;
 		break;
 	case SLIC_1GB_DEVICE_ID:
-		instruction = (puchar) &GBRcvUCode[0];
+		instruction = (unsigned char *)&GBRcvUCode[0];
 		rcvucodelen = GBRcvUCodeLen;
 		break;
 	default:
@@ -2227,11 +2216,11 @@ static int slic_card_download_gbrcv(p_adapter_t adapter)
 
 		/* write out the instruction data low addr */
 		WRITE_REG(slic_regs->slic_rcv_wcs,
-			  (ulong32) *(pulong32) instruction, FLUSH);
+			  (u32) *(u32 *) instruction, FLUSH);
 		instruction += 4;
 
 		/* write out the instruction data high addr */
-		WRITE_REG(slic_regs->slic_rcv_wcs, (ulong32) *instruction,
+		WRITE_REG(slic_regs->slic_rcv_wcs, (u32) *instruction,
 			  FLUSH);
 		instruction += 1;
 	}
@@ -2242,22 +2231,22 @@ static int slic_card_download_gbrcv(p_adapter_t adapter)
 	return 0;
 }
 
-int slic_card_download(p_adapter_t adapter)
+static int slic_card_download(struct adapter *adapter)
 {
-	ulong32 section;
+	u32 section;
 	int thissectionsize;
 	int codeaddr;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
-	ulong32 *instruction = NULL;
-	ulong32 *lastinstruct = NULL;
-	ulong32 *startinstruct = NULL;
-	puchar nextinstruct;
-	ulong32 baseaddress;
-	ulong32 failure;
-	ulong32 i;
-	ulong32 numsects = 0;
-	ulong32 sectsize[3];
-	ulong32 sectstart[3];
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
+	u32 *instruction = NULL;
+	u32 *lastinstruct = NULL;
+	u32 *startinstruct = NULL;
+	unsigned char *nextinstruct;
+	u32 baseaddress;
+	u32 failure;
+	u32 i;
+	u32 numsects = 0;
+	u32 sectsize[3];
+	u32 sectstart[3];
 
 /*      DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x] \
 	jiffies[%lx] cpu %d\n", __func__, adapter->netdev->name, adapter,
@@ -2292,19 +2281,19 @@ int slic_card_download(p_adapter_t adapter)
 	for (section = 0; section < numsects; section++) {
 		switch (adapter->devid) {
 		case SLIC_2GB_DEVICE_ID:
-			instruction = (pulong32) &OasisUCode[section][0];
+			instruction = (u32 *) &OasisUCode[section][0];
 			baseaddress = sectstart[section];
 			thissectionsize = sectsize[section] >> 3;
 			lastinstruct =
-			    (pulong32) &OasisUCode[section][sectsize[section] -
+			    (u32 *) &OasisUCode[section][sectsize[section] -
 							     8];
 			break;
 		case SLIC_1GB_DEVICE_ID:
-			instruction = (pulong32) &MojaveUCode[section][0];
+			instruction = (u32 *) &MojaveUCode[section][0];
 			baseaddress = sectstart[section];
 			thissectionsize = sectsize[section] >> 3;
 			lastinstruct =
-			    (pulong32) &MojaveUCode[section][sectsize[section]
+			    (u32 *) &MojaveUCode[section][sectsize[section]
 							      - 8];
 			break;
 		default:
@@ -2317,21 +2306,21 @@ int slic_card_download(p_adapter_t adapter)
 
 		for (codeaddr = 0; codeaddr < thissectionsize; codeaddr++) {
 			startinstruct = instruction;
-			nextinstruct = ((puchar) instruction) + 8;
+			nextinstruct = ((unsigned char *)instruction) + 8;
 			/* Write out instruction address */
 			WRITE_REG(slic_regs->slic_wcs, baseaddress + codeaddr,
 				  FLUSH);
 			/* Write out instruction to low addr */
 			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
 #ifdef CONFIG_X86_64
-			instruction = (pulong32) ((puchar) instruction + 4);
+			instruction = (u32 *)((unsigned char *)instruction + 4);
 #else
 			instruction++;
 #endif
 			/* Write out instruction to high addr */
 			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
 #ifdef CONFIG_X86_64
-			instruction = (pulong32) ((puchar) instruction + 4);
+			instruction = (u32 *)((unsigned char *)instruction + 4);
 #else
 			instruction++;
 #endif
@@ -2341,10 +2330,10 @@ int slic_card_download(p_adapter_t adapter)
 	for (section = 0; section < numsects; section++) {
 		switch (adapter->devid) {
 		case SLIC_2GB_DEVICE_ID:
-			instruction = (pulong32) &OasisUCode[section][0];
+			instruction = (u32 *)&OasisUCode[section][0];
 			break;
 		case SLIC_1GB_DEVICE_ID:
-			instruction = (pulong32) &MojaveUCode[section][0];
+			instruction = (u32 *)&MojaveUCode[section][0];
 			break;
 		default:
 			ASSERT(0);
@@ -2367,19 +2356,19 @@ int slic_card_download(p_adapter_t adapter)
 			/* Write out instruction to low addr */
 			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
 #ifdef CONFIG_X86_64
-			instruction = (pulong32) ((puchar) instruction + 4);
+			instruction = (u32 *)((unsigned char *)instruction + 4);
 #else
 			instruction++;
 #endif
 			/* Write out instruction to high addr */
 			WRITE_REG(slic_regs->slic_wcs, *instruction, FLUSH);
 #ifdef CONFIG_X86_64
-			instruction = (pulong32) ((puchar) instruction + 4);
+			instruction = (u32 *)((unsigned char *)instruction + 4);
 #else
 			instruction++;
 #endif
 			/* Check SRAM location zero. If it is non-zero. Abort.*/
-			failure = READ_REG(slic_regs->slic_reset, 0);
+			failure = readl((u32 __iomem *)&slic_regs->slic_reset);
 			if (failure) {
 				DBG_MSG
 				    ("slicoss: %s FAILURE EXIT codeaddr[%x] \
@@ -2394,12 +2383,12 @@ int slic_card_download(p_adapter_t adapter)
 /*    DBG_MSG ("slicoss: Compare done\n");*/
 
 	/* Everything OK, kick off the card */
-	slic_stall_msec(10);
+	mdelay(10);
 	WRITE_REG(slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
 
 	/* stall for 20 ms, long enough for ucode to init card
 	   and reach mainloop */
-	slic_stall_msec(20);
+	mdelay(20);
 
 	DBG_MSG("slicoss: %s (%s) EXIT adapter[%p] card[%p]\n",
 		__func__, adapter->netdev->name, adapter, adapter->card);
@@ -2407,9 +2396,9 @@ int slic_card_download(p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-void slic_adapter_set_hwaddr(p_adapter_t adapter)
+static void slic_adapter_set_hwaddr(struct adapter *adapter)
 {
-	p_sliccard_t card = adapter->card;
+	struct sliccard *card = adapter->card;
 
 /*  DBG_MSG ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n",
     __func__, card->config_set, adapter->port, adapter->physport,
@@ -2420,7 +2409,7 @@ void slic_adapter_set_hwaddr(p_adapter_t adapter)
 	if ((adapter->card) && (card->config_set)) {
 		memcpy(adapter->macaddr,
 		       card->config.MacInfo[adapter->functionnumber].macaddrA,
-		       sizeof(slic_config_mac_t));
+		       sizeof(struct slic_config_mac));
 /*      DBG_MSG ("%s AFTER copying from config.macinfo into currmacaddr\n",
 	__func__);
 	slic_dbg_macaddrs(adapter);*/
@@ -2438,53 +2427,35 @@ void slic_adapter_set_hwaddr(p_adapter_t adapter)
     slic_dbg_macaddrs(adapter); */
 }
 
-void slic_card_halt(p_sliccard_t card, p_adapter_t adapter)
+static void slic_intagg_set(struct adapter *adapter, u32 value)
 {
-	p_slic_regs_t slic_regs = adapter->slic_regs;
-
-	DBG_MSG("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x]\n",
-		__func__, card, adapter, card->state);
-	WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
-	adapter->all_reg_writes++;
-	adapter->icr_reg_writes++;
-	slic_config_clear(adapter);
-	WRITE_REG(slic_regs->slic_reset_iface, 0, FLUSH);
-	slic_soft_reset(adapter);
-	DBG_MSG("slicoss: %s EXIT card[%p] adapter[%p] card->state[%x]\n",
-		__func__, card, adapter, card->state);
-	return;
-
-}
-
-void slic_intagg_set(p_adapter_t adapter, ulong32 value)
-{
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
 	WRITE_REG(slic_regs->slic_intagg, value, FLUSH);
 	adapter->card->loadlevel_current = value;
 }
 
-int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
+static int slic_card_init(struct sliccard *card, struct adapter *adapter)
 {
-	p_slic_regs_t slic_regs = adapter->slic_regs;
-	pslic_eeprom_t peeprom;
-	poslic_eeprom_t pOeeprom;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
+	struct slic_eeprom *peeprom;
+	struct oslic_eeprom *pOeeprom;
 	dma_addr_t phys_config;
-	ulong32 phys_configh;
-	ulong32 phys_configl;
-	ulong32 i = 0;
-	p_slic_shmem_t pshmem;
+	u32 phys_configh;
+	u32 phys_configl;
+	u32 i = 0;
+	struct slic_shmem *pshmem;
 	int status;
 	uint macaddrs = card->card_size;
 	ushort eecodesize;
 	ushort dramsize;
 	ushort ee_chksum;
 	ushort calc_chksum;
-	pslic_config_mac_t pmac;
-	uchar fruformat;
-	uchar oemfruformat;
-	patk_fru_t patkfru;
-	poemfru_t poemfru;
+	struct slic_config_mac *pmac;
+	unsigned char fruformat;
+	unsigned char oemfruformat;
+	struct atk_fru *patkfru;
+	union oemfru_t *poemfru;
 
 	DBG_MSG
 	    ("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x] \
@@ -2505,7 +2476,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 
 	if (!card->config_set) {
 		peeprom = pci_alloc_consistent(adapter->pcidev,
-					       sizeof(slic_eeprom_t),
+					       sizeof(struct slic_eeprom),
 					       &phys_config);
 
 		phys_configl = SLIC_GET_ADDR_LOW(phys_config);
@@ -2515,8 +2486,9 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 			"size        [%x]\n    peeprom     [%p]\n    "
 			"phys_config [%p]\n    phys_configl[%x]\n    "
 			"phys_configh[%x]\n",
-			__func__, adapter, (ulong32) sizeof(slic_eeprom_t),
-			peeprom, (pvoid) phys_config, phys_configl,
+			__func__, adapter,
+			(u32)sizeof(struct slic_eeprom),
+			peeprom, (void *) phys_config, phys_configl,
 			phys_configh);
 		if (!peeprom) {
 			DBG_ERROR
@@ -2526,17 +2498,19 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 			     (uint) adapter->slotnumber);
 			return -ENOMEM;
 		} else {
-			SLIC_ZERO_MEMORY(peeprom, sizeof(slic_eeprom_t));
+			memset(peeprom, 0, sizeof(struct slic_eeprom));
 		}
 		WRITE_REG(slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
-		slic_stall_msec(1);
-		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+		mdelay(1);
+		pshmem = (struct slic_shmem *)adapter->phys_shmem;
 
-		SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->bit64reglock);
+		spin_lock_irqsave(&adapter->bit64reglock.lock,
+					adapter->bit64reglock.flags);
 		WRITE_REG(slic_regs->slic_addr_upper, 0, DONT_FLUSH);
 		WRITE_REG(slic_regs->slic_isp,
 			  SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->bit64reglock);
+		spin_unlock_irqrestore(&adapter->bit64reglock.lock,
+					adapter->bit64reglock.flags);
 
 		slic_config_get(adapter, phys_configl, phys_configh);
 
@@ -2564,7 +2538,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 						  FLUSH);
 				}
 			} else {
-				slic_stall_msec(1);
+				mdelay(1);
 				i++;
 				if (i > 5000) {
 					DBG_ERROR
@@ -2586,7 +2560,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 		/* Oasis card */
 		case SLIC_2GB_DEVICE_ID:
 			/* extract EEPROM data and pointers to EEPROM data */
-			pOeeprom = (poslic_eeprom_t) peeprom;
+			pOeeprom = (struct oslic_eeprom *) peeprom;
 			eecodesize = pOeeprom->EecodeSize;
 			dramsize = pOeeprom->DramSize;
 			pmac = pOeeprom->MacInfo;
@@ -2619,12 +2593,12 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 		    (eecodesize >= MIN_EECODE_SIZE)) {
 
 			ee_chksum =
-			    *(pushort) ((pchar) peeprom + (eecodesize - 2));
+			    *(u16 *) ((char *) peeprom + (eecodesize - 2));
 			/*
 			    calculate the EEPROM checksum
 			*/
 			calc_chksum =
-			    ~slic_eeprom_cksum((pchar) peeprom,
+			    ~slic_eeprom_cksum((char *) peeprom,
 					       (eecodesize - 2));
 			/*
 			    if the ucdoe chksum flag bit worked,
@@ -2639,24 +2613,25 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 		/*  copy in the MAC address(es) */
 		for (i = 0; i < macaddrs; i++) {
 			memcpy(&card->config.MacInfo[i],
-			       &pmac[i], sizeof(slic_config_mac_t));
+			       &pmac[i], sizeof(struct slic_config_mac));
 		}
 /*      DBG_MSG ("%s EEPROM Checksum Good? %d  MacAddress\n",__func__,
 		card->config.EepromValid); */
 
 		/*  copy the Alacritech FRU information */
 		card->config.FruFormat = fruformat;
-		memcpy(&card->config.AtkFru, patkfru, sizeof(atk_fru_t));
+		memcpy(&card->config.AtkFru, patkfru,
+						sizeof(struct atk_fru));
 
 		pci_free_consistent(adapter->pcidev,
-				    sizeof(slic_eeprom_t),
+				    sizeof(struct slic_eeprom),
 				    peeprom, phys_config);
 		DBG_MSG
 		    ("slicoss: %s adapter%d [%p] size[%x] FREE peeprom[%p] \
 		     phys_config[%p]\n",
 		     __func__, adapter->port, adapter,
-		     (ulong32) sizeof(slic_eeprom_t), peeprom,
-		     (pvoid) phys_config);
+		     (u32) sizeof(struct slic_eeprom), peeprom,
+		     (void *) phys_config);
 
 		if ((!card->config.EepromValid) &&
 		    (adapter->reg_params.fail_on_bad_eeprom)) {
@@ -2698,8 +2673,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 
 #if SLIC_DUMP_ENABLED
 	if (!card->dumpbuffer) {
-		card->dumpbuffer =
-		    SLIC_ALLOCATE_MEM(DUMP_PAGE_SIZE, GFP_ATOMIC);
+		card->dumpbuffer = kmalloc(DUMP_PAGE_SIZE, GFP_ATOMIC);
 
 		ASSERT(card->dumpbuffer);
 		if (card->dumpbuffer == NULL)
@@ -2709,8 +2683,8 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 	 *  Smear the shared memory structure and then obtain
 	 *  the PHYSICAL address of this structure
 	 */
-	SLIC_ZERO_MEMORY(card->dumpbuffer, DUMP_PAGE_SIZE);
-	card->dumpbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->dumpbuffer);
+	memset(card->dumpbuffer, 0, DUMP_PAGE_SIZE);
+	card->dumpbuffer_phys = virt_to_bus(card->dumpbuffer);
 	card->dumpbuffer_physh = SLIC_GET_ADDR_HIGH(card->dumpbuffer_phys);
 	card->dumpbuffer_physl = SLIC_GET_ADDR_LOW(card->dumpbuffer_phys);
 
@@ -2718,8 +2692,7 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 	 *  Allocate COMMAND BUFFER
 	 */
 	if (!card->cmdbuffer) {
-		card->cmdbuffer =
-		    SLIC_ALLOCATE_MEM(sizeof(dump_cmd_t), GFP_ATOMIC);
+		card->cmdbuffer = kmalloc(sizeof(dump_cmd_t), GFP_ATOMIC);
 
 		ASSERT(card->cmdbuffer);
 		if (card->cmdbuffer == NULL)
@@ -2729,8 +2702,8 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 	 *  Smear the shared memory structure and then obtain
 	 *  the PHYSICAL address of this structure
 	 */
-	SLIC_ZERO_MEMORY(card->cmdbuffer, sizeof(dump_cmd_t));
-	card->cmdbuffer_phys = SLIC_GET_PHYSICAL_ADDRESS(card->cmdbuffer);
+	memset(card->cmdbuffer, 0, sizeof(dump_cmd_t));
+	card->cmdbuffer_phys = virt_to_bus(card->cmdbuffer);
 	card->cmdbuffer_physh = SLIC_GET_ADDR_HIGH(card->cmdbuffer_phys);
 	card->cmdbuffer_physl = SLIC_GET_ADDR_LOW(card->cmdbuffer_phys);
 #endif
@@ -2746,10 +2719,10 @@ int slic_card_init(p_sliccard_t card, p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-ulong32 slic_card_locate(p_adapter_t adapter)
+static u32 slic_card_locate(struct adapter *adapter)
 {
-	p_sliccard_t card = slic_global.slic_card;
-	p_physcard_t physcard = slic_global.phys_card;
+	struct sliccard *card = slic_global.slic_card;
+	struct physcard *physcard = slic_global.phys_card;
 	ushort card_hostid;
 	u16 __iomem *hostid_reg;
 	uint i;
@@ -2777,13 +2750,12 @@ ulong32 slic_card_locate(p_adapter_t adapter)
 	DBG_MSG("slicoss: %s *hostid_reg[%p] == ", __func__, hostid_reg);
 
 	/* read the 16 bit hostid from SRAM */
-/*  card_hostid = READ_REGP16(hostid_reg, 0);*/
 	card_hostid = (ushort) readw(hostid_reg);
 	DBG_MSG(" card_hostid[%x]\n", card_hostid);
 
 	/* Initialize a new card structure if need be */
 	if (card_hostid == SLIC_HOSTID_DEFAULT) {
-		card = kzalloc(sizeof(sliccard_t), GFP_KERNEL);
+		card = kzalloc(sizeof(struct sliccard), GFP_KERNEL);
 		if (card == NULL)
 			return -ENOMEM;
 
@@ -2861,11 +2833,9 @@ ulong32 slic_card_locate(p_adapter_t adapter)
 	}
 	if (!physcard) {
 		/* no structure allocated for this physical card yet */
-		physcard =
-		    (p_physcard_t) SLIC_ALLOCATE_MEM(sizeof(physcard_t),
-						     GFP_ATOMIC);
+		physcard = kmalloc(sizeof(struct physcard *), GFP_ATOMIC);
 		ASSERT(physcard);
-		SLIC_ZERO_MEMORY(physcard, sizeof(physcard_t));
+		memset(physcard, 0, sizeof(struct physcard *));
 
 		DBG_MSG
 		    ("\n%s Allocate a PHYSICALcard:\n    PHYSICAL_Card[%p]\n\
@@ -2890,130 +2860,27 @@ ulong32 slic_card_locate(p_adapter_t adapter)
 	return 0;
 }
 
-void slic_card_remaster(p_adapter_t adapter)
-{
-	p_sliccard_t card = adapter->card;
-	int i;
-
-	DBG_MSG("slicoss: %s card->master[%p] == adapter[%p]??\n",
-		__func__, card->master, adapter);
-	if (card->master != adapter)
-		return;
-	card->master = NULL;
-	for (i = 0; i < SLIC_MAX_PORTS; i++) {
-		if (card->adapter[i] && (card->adapter[i] != adapter)) {
-			card->master = card->adapter[i];
-			DBG_MSG("slicoss: %s NEW MASTER SET card->master[%p]"
-				" == card->adapter[%d]\n", __func__,
-				card->master, i);
-			break;
-		}
-	}
-}
-
-void slic_soft_reset(p_adapter_t adapter)
+static void slic_soft_reset(struct adapter *adapter)
 {
 	if (adapter->card->state == CARD_UP) {
 		DBG_MSG("slicoss: %s QUIESCE adapter[%p] card[%p] devid[%x]\n",
 			__func__, adapter, adapter->card, adapter->devid);
 		WRITE_REG(adapter->slic_regs->slic_quiesce, 0, FLUSH);
-		slic_stall_msec(1);
+		mdelay(1);
 	}
 /*      DBG_MSG ("slicoss: %s (%s) adapter[%p] card[%p] devid[%x]\n",
 	__func__, adapter->netdev->name, adapter, adapter->card,
 	   adapter->devid); */
 
 	WRITE_REG(adapter->slic_regs->slic_reset, SLIC_RESET_MAGIC, FLUSH);
-	slic_stall_msec(1);
-}
-
-void slic_card_reset(p_adapter_t adapter)
-{
-	p_sliccard_t card = adapter->card;
-	p_slic_upr_t upr = adapter->upr_list;
-	p_slic_upr_t upr_next = NULL;
-	ulong32 i;
-#if SLIC_FAILURE_RESET
-	ulong32 status = 0;
-#endif
-	DBG_MSG
-	    ("slicoss: %s adapter[%p] port[%d] state[%x] card[%p] state[%x]\n",
-	     __func__, adapter, adapter->port, adapter->state, card,
-	     card->state);
-	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->adapter_lock);
-	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->reset_lock);
-	if (card->state == CARD_DIAG) {
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock);
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock);
-		return;
-	}
-	SLIC_ACQUIRE_IRQ_SPINLOCK(slic_global.driver_lock);
-	card->reset_in_progress = 1;
-#if SLIC_FAILURE_RESET
-	if (adapter->state != ADAPT_RESET) {
-		SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock);
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock);
-		return;
-	}
-
-	adapter->state = ADAPT_DOWN;
-	adapter->linkstate = LINK_DOWN;
-#endif
-	if (adapter->gennumber == card->gennumber) {
-		for (i = 0; i < card->card_size; i++) {
-			if (card->adapter[i]) {
-				if (card->adapter[i] == adapter)
-					continue;
-				if (card->adapter[i]->state == ADAPT_UP) {
-					card->adapter[i]->state = ADAPT_RESET;
-					adapter->linkstate = LINK_DOWN;
-				}
-			}
-		}
-#if SLIC_FAILURE_RESET
-		slic_soft_reset(adapter);
-		card->state = CARD_DOWN;
-		card->master = NULL;
-		card->adapters_activated = 0;
-#endif
-		card->gennumber++;
-	}
-	adapter->gennumber = card->gennumber;
-	adapter->pshmem->isr = 0;
-	adapter->isrcopy = 0;
-	SLIC_RELEASE_IRQ_SPINLOCK(adapter->reset_lock);
-	for (i = 0; i < card->card_size; i++) {
-		if (card->adapter[i])
-			slic_cmdq_reset(card->adapter[i]);
-	}
-	while (upr) {
-		upr_next = upr->next;
-		SLIC_DEALLOCATE_MEM(upr);
-		upr = upr_next;
-	}
-	adapter->upr_list = NULL;
-	adapter->upr_busy = 0;
-#if SLIC_FAILURE_RESET
-	status = slic_if_init(adapter);
-	if ((status == 0) && (!card->master))
-		card->master = adapter;
-	slic_mcast_set_mask(adapter);
-#endif
-	SLIC_RELEASE_IRQ_SPINLOCK(slic_global.driver_lock);
-	SLIC_RELEASE_IRQ_SPINLOCK(adapter->adapter_lock);
-	DBG_MSG
-	    ("slicoss: %s EXIT adapter[%p] port[%d] state[%x] card[%p] \
-	      state[%x]\n", __func__, adapter, adapter->port, adapter->state,
-	      card, card->state);
-	return;
+	mdelay(1);
 }
 
-void slic_config_set(p_adapter_t adapter, boolean linkchange)
+static void slic_config_set(struct adapter *adapter, bool linkchange)
 {
-	ulong32 value;
-	ulong32 RcrReset;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	u32 value;
+	u32 RcrReset;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
 	DBG_MSG("slicoss: %s (%s) slic_interface_enable[%p](%d)\n",
 		__func__, adapter->netdev->name, adapter,
@@ -3075,11 +2942,11 @@ void slic_config_set(p_adapter_t adapter, boolean linkchange)
 /*
  *  Turn off RCV and XMT, power down PHY
  */
-void slic_config_clear(p_adapter_t adapter)
+static void slic_config_clear(struct adapter *adapter)
 {
-	ulong32 value;
-	ulong32 phy_config;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	u32 value;
+	u32 phy_config;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
 	/* Setup xmtcfg */
 	value = (GXCR_RESET |	/* Always reset */
@@ -3099,28 +2966,29 @@ void slic_config_clear(p_adapter_t adapter)
 	WRITE_REG(slic_regs->slic_wphy, phy_config, FLUSH);
 }
 
-void slic_config_get(p_adapter_t adapter, ulong32 config, ulong32 config_h)
+static void slic_config_get(struct adapter *adapter, u32 config,
+							u32 config_h)
 {
 	int status;
 
 	status = slic_upr_request(adapter,
 				  SLIC_UPR_RCONFIG,
-				  (ulong32) config, (ulong32) config_h, 0, 0);
+				  (u32) config, (u32) config_h, 0, 0);
 	ASSERT(status == 0);
 }
 
-void slic_mac_address_config(p_adapter_t adapter)
+static void slic_mac_address_config(struct adapter *adapter)
 {
-	ulong32 value;
-	ulong32 value2;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	u32 value;
+	u32 value2;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
-	value = *(pulong32) &adapter->currmacaddr[2];
+	value = *(u32 *) &adapter->currmacaddr[2];
 	value = ntohl(value);
 	WRITE_REG(slic_regs->slic_wraddral, value, FLUSH);
 	WRITE_REG(slic_regs->slic_wraddrbl, value, FLUSH);
 
-	value2 = (ulong32) ((adapter->currmacaddr[0] << 8 |
+	value2 = (u32) ((adapter->currmacaddr[0] << 8 |
 			     adapter->currmacaddr[1]) & 0xFFFF);
 
 	WRITE_REG(slic_regs->slic_wraddrah, value2, FLUSH);
@@ -3136,10 +3004,10 @@ void slic_mac_address_config(p_adapter_t adapter)
 	slic_mcast_set_mask(adapter);
 }
 
-void slic_mac_config(p_adapter_t adapter)
+static void slic_mac_config(struct adapter *adapter)
 {
-	ulong32 value;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	u32 value;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
 	/* Setup GMAC gaps */
 	if (adapter->linkspeed == LINK_1000MB) {
@@ -3169,12 +3037,13 @@ void slic_mac_config(p_adapter_t adapter)
 	slic_mac_address_config(adapter);
 }
 
-boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame)
+static bool slic_mac_filter(struct adapter *adapter,
+			struct ether_header *ether_frame)
 {
-	ulong32 opts = adapter->macopts;
-	pulong32 dhost4 = (pulong32) &ether_frame->ether_dhost[0];
-	pushort dhost2 = (pushort) &ether_frame->ether_dhost[4];
-	boolean equaladdr;
+	u32 opts = adapter->macopts;
+	u32 *dhost4 = (u32 *)&ether_frame->ether_dhost[0];
+	u16 *dhost2 = (u16 *)&ether_frame->ether_dhost[4];
+	bool equaladdr;
 
 	if (opts & MAC_PROMISC) {
 		DBG_MSG("slicoss: %s (%s) PROMISCUOUS. Accept frame\n",
@@ -3198,7 +3067,7 @@ boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame)
 			return TRUE;
 		}
 		if (opts & MAC_MCAST) {
-			p_mcast_address_t mcaddr = adapter->mcastaddrs;
+			struct mcast_address *mcaddr = adapter->mcastaddrs;
 
 			while (mcaddr) {
 				ETHER_EQ_ADDR(mcaddr->address,
@@ -3224,9 +3093,9 @@ boolean slic_mac_filter(p_adapter_t adapter, p_ether_header ether_frame)
 
 }
 
-int slic_mac_set_address(struct net_device *dev, pvoid ptr)
+static int slic_mac_set_address(struct net_device *dev, void *ptr)
 {
-	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
 	struct sockaddr *addr = ptr;
 
 	DBG_MSG("%s ENTER (%s)\n", __func__, adapter->netdev->name);
@@ -3259,21 +3128,21 @@ int slic_mac_set_address(struct net_device *dev, pvoid ptr)
  * 50 seconds or whatever STATS_TIMER_INTERVAL is set to.
  *
  */
-void slic_timer_get_stats(ulong dev)
+static void slic_timer_get_stats(ulong dev)
 {
-	p_adapter_t adapter;
-	p_sliccard_t card;
-	p_slic_shmem_t pshmem;
+	struct adapter *adapter;
+	struct sliccard *card;
+	struct slic_shmem *pshmem;
 
 	ASSERT(dev);
-	adapter = (p_adapter_t) ((struct net_device *)dev)->priv;
+	adapter = (struct adapter *)((struct net_device *)dev)->priv;
 	ASSERT(adapter);
 	card = adapter->card;
 	ASSERT(card);
 
 	if ((card->state == CARD_UP) &&
 	    (adapter->state == ADAPT_UP) && (adapter->linkstate == LINK_UP)) {
-		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+		pshmem = (struct slic_shmem *)adapter->phys_shmem;
 #ifdef CONFIG_X86_64
 		slic_upr_request(adapter,
 				 SLIC_UPR_STATS,
@@ -3282,7 +3151,7 @@ void slic_timer_get_stats(ulong dev)
 #elif defined(CONFIG_X86)
 		slic_upr_request(adapter,
 				 SLIC_UPR_STATS,
-				 (ulong32) &pshmem->inicstats, 0, 0, 0);
+				 (u32) &pshmem->inicstats, 0, 0, 0);
 #else
 		Stop compilation;
 #endif
@@ -3295,12 +3164,12 @@ void slic_timer_get_stats(ulong dev)
 	add_timer(&adapter->statstimer);
 }
 
-void slic_timer_load_check(ulong cardaddr)
+static void slic_timer_load_check(ulong cardaddr)
 {
-	p_sliccard_t card = (p_sliccard_t) cardaddr;
-	p_adapter_t adapter = card->master;
-	ulong32 load = card->events;
-	ulong32 level = 0;
+	struct sliccard *card = (struct sliccard *)cardaddr;
+	struct adapter *adapter = card->master;
+	u32 load = card->events;
+	u32 level = 0;
 
 	if ((adapter) && (adapter->state == ADAPT_UP) &&
 	    (card->state == CARD_UP) && (slic_global.dynamic_intagg)) {
@@ -3352,36 +3221,26 @@ void slic_timer_load_check(ulong cardaddr)
 	add_timer(&card->loadtimer);
 }
 
-void slic_stall_msec(int stall)
-{
-	mdelay(stall);
-}
-
-void slic_stall_usec(int stall)
-{
-	udelay(stall);
-}
-
-void slic_assert_fail(void)
+static void slic_assert_fail(void)
 {
-	ulong32 cpuid;
-	ulong32 curr_pid;
+	u32 cpuid;
+	u32 curr_pid;
 	cpuid = smp_processor_id();
 	curr_pid = current->pid;
 
 	DBG_ERROR("%s CPU # %d ---- PID # %d\n", __func__, cpuid, curr_pid);
 }
 
-int slic_upr_queue_request(p_adapter_t adapter,
-			   ulong32 upr_request,
-			   ulong32 upr_data,
-			   ulong32 upr_data_h,
-			   ulong32 upr_buffer, ulong32 upr_buffer_h)
+static int slic_upr_queue_request(struct adapter *adapter,
+			   u32 upr_request,
+			   u32 upr_data,
+			   u32 upr_data_h,
+			   u32 upr_buffer, u32 upr_buffer_h)
 {
-	p_slic_upr_t upr;
-	p_slic_upr_t uprqueue;
+	struct slic_upr *upr;
+	struct slic_upr *uprqueue;
 
-	upr = SLIC_ALLOCATE_MEM(sizeof(slic_upr_t), GFP_ATOMIC);
+	upr = kmalloc(sizeof(struct slic_upr), GFP_ATOMIC);
 	if (!upr) {
 		DBG_MSG("%s COULD NOT ALLOCATE UPR MEM\n", __func__);
 
@@ -3406,42 +3265,45 @@ int slic_upr_queue_request(p_adapter_t adapter,
 	return STATUS_SUCCESS;
 }
 
-int slic_upr_request(p_adapter_t adapter,
-		     ulong32 upr_request,
-		     ulong32 upr_data,
-		     ulong32 upr_data_h,
-		     ulong32 upr_buffer, ulong32 upr_buffer_h)
+static int slic_upr_request(struct adapter *adapter,
+		     u32 upr_request,
+		     u32 upr_data,
+		     u32 upr_data_h,
+		     u32 upr_buffer, u32 upr_buffer_h)
 {
 	int status;
 
-	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock);
+	spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
 	status = slic_upr_queue_request(adapter,
 					upr_request,
 					upr_data,
 					upr_data_h, upr_buffer, upr_buffer_h);
 	if (status != STATUS_SUCCESS) {
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+		spin_unlock_irqrestore(&adapter->upr_lock.lock,
+					adapter->upr_lock.flags);
 		return status;
 	}
 	slic_upr_start(adapter);
-	SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+	spin_unlock_irqrestore(&adapter->upr_lock.lock,
+				adapter->upr_lock.flags);
 	return STATUS_PENDING;
 }
 
-void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr)
+static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
 {
-	p_sliccard_t card = adapter->card;
-	p_slic_upr_t upr;
+	struct sliccard *card = adapter->card;
+	struct slic_upr *upr;
 
 /*    if (card->dump_requested) {
 	DBG_MSG("ENTER slic_upr_request_complete Dump in progress ISR[%x]\n",
 		isr);
       } */
-	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->upr_lock);
+	spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
 	upr = adapter->upr_list;
 	if (!upr) {
 		ASSERT(0);
-		SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+		spin_unlock_irqrestore(&adapter->upr_lock.lock,
+					adapter->upr_lock.flags);
 		return;
 	}
 	adapter->upr_list = upr->next;
@@ -3452,11 +3314,11 @@ void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr)
 	case SLIC_UPR_STATS:
 		{
 #if SLIC_GET_STATS_ENABLED
-			p_slic_stats_t slicstats =
-			    (p_slic_stats_t) &adapter->pshmem->inicstats;
-			p_slic_stats_t newstats = slicstats;
-			p_slic_stats_t old = &adapter->inicstats_prev;
-			p_slicnet_stats_t stst = &adapter->slic_stats;
+			struct slic_stats *slicstats =
+			    (struct slic_stats *) &adapter->pshmem->inicstats;
+			struct slic_stats *newstats = slicstats;
+			struct slic_stats  *old = &adapter->inicstats_prev;
+			struct slicnet_stats *stst = &adapter->slic_stats;
 #endif
 			if (isr & ISR_UPCERR) {
 				DBG_ERROR
@@ -3540,7 +3402,7 @@ void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr)
 				    (newstats->rcv_drops_gb -
 				     old->rcv_drops_gb);
 			}
-			memcpy(old, newstats, sizeof(slic_stats_t));
+			memcpy(old, newstats, sizeof(struct slic_stats));
 #endif
 			break;
 		}
@@ -3572,15 +3434,16 @@ void slic_upr_request_complete(p_adapter_t adapter, ulong32 isr)
 	default:
 		ASSERT(0);
 	}
-	SLIC_DEALLOCATE_MEM(upr);
+	kfree(upr);
 	slic_upr_start(adapter);
-	SLIC_RELEASE_IRQ_SPINLOCK(adapter->upr_lock);
+	spin_unlock_irqrestore(&adapter->upr_lock.lock,
+				adapter->upr_lock.flags);
 }
 
-void slic_upr_start(p_adapter_t adapter)
+static void slic_upr_start(struct adapter *adapter)
 {
-	p_slic_upr_t upr;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
+	struct slic_upr *upr;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 /*
     char * ptr1;
     char * ptr2;
@@ -3670,21 +3533,21 @@ void slic_upr_start(p_adapter_t adapter)
 	}
 }
 
-void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr)
+static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
 {
-	ulong32 linkstatus = adapter->pshmem->linkstatus;
+	u32 linkstatus = adapter->pshmem->linkstatus;
 	uint linkup;
-	uchar linkspeed;
-	uchar linkduplex;
+	unsigned char linkspeed;
+	unsigned char linkduplex;
 
 	DBG_MSG("%s: %s ISR[%x] linkstatus[%x]\n   adapter[%p](%d)\n",
 		__func__, adapter->netdev->name, isr, linkstatus, adapter,
 		adapter->cardindex);
 
 	if ((isr & ISR_UPCERR) || (isr & ISR_UPCBSY)) {
-		p_slic_shmem_t pshmem;
+		struct slic_shmem *pshmem;
 
-		pshmem = (p_slic_shmem_t) adapter->phys_shmem;
+		pshmem = (struct slic_shmem *)adapter->phys_shmem;
 #if defined(CONFIG_X86_64)
 		slic_upr_queue_request(adapter,
 				       SLIC_UPR_RLSR,
@@ -3694,7 +3557,7 @@ void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr)
 #elif defined(CONFIG_X86)
 		slic_upr_queue_request(adapter,
 				       SLIC_UPR_RLSR,
-				       (ulong32) &pshmem->linkstatus,
+				       (u32) &pshmem->linkstatus,
 				       SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
 #else
 		Stop Compilation;
@@ -3792,16 +3655,16 @@ void slic_link_upr_complete(p_adapter_t adapter, ulong32 isr)
  *  which prevens us from using the ucode result.
  *  remove this once ucode is fixed.
  */
-ushort slic_eeprom_cksum(pchar m, int len)
+static ushort slic_eeprom_cksum(char *m, int len)
 {
 #define ADDCARRY(x)  (x > 65535 ? x -= 65535 : x)
 #define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; ADDCARRY(sum);\
 		}
 
-	pushort w;
-	ulong32 sum = 0;
-	ulong32 byte_swapped = 0;
-	ulong32 w_int;
+	u16 *w;
+	u32 sum = 0;
+	u32 byte_swapped = 0;
+	u32 w_int;
 
 	union {
 		char c[2];
@@ -3816,17 +3679,17 @@ ushort slic_eeprom_cksum(pchar m, int len)
 	l_util.l = 0;
 	s_util.s = 0;
 
-	w = (pushort) m;
+	w = (u16 *)m;
 #ifdef CONFIG_X86_64
-	w_int = (ulong32) ((ulong) w & 0x00000000FFFFFFFF);
+	w_int = (u32) ((ulong) w & 0x00000000FFFFFFFF);
 #else
-	w_int = (ulong32) (w);
+	w_int = (u32) (w);
 #endif
 	if ((1 & w_int) && (len > 0)) {
 		REDUCE;
 		sum <<= 8;
-		s_util.c[0] = *(puchar) w;
-		w = (pushort) ((char *)w + 1);
+		s_util.c[0] = *(unsigned char *)w;
+		w = (u16 *)((char *)w + 1);
 		len--;
 		byte_swapped = 1;
 	}
@@ -3849,7 +3712,7 @@ ushort slic_eeprom_cksum(pchar m, int len)
 		sum += w[13];
 		sum += w[14];
 		sum += w[15];
-		w = (pushort) ((ulong) w + 16);	/* verify */
+		w = (u16 *)((ulong) w + 16);	/* verify */
 	}
 	len += 32;
 	while ((len -= 8) >= 0) {
@@ -3857,7 +3720,7 @@ ushort slic_eeprom_cksum(pchar m, int len)
 		sum += w[1];
 		sum += w[2];
 		sum += w[3];
-		w = (pushort) ((ulong) w + 4);	/* verify */
+		w = (u16 *)((ulong) w + 4);	/* verify */
 	}
 	len += 8;
 	if (len != 0 || byte_swapped != 0) {
@@ -3869,7 +3732,7 @@ ushort slic_eeprom_cksum(pchar m, int len)
 			sum <<= 8;
 			byte_swapped = 0;
 			if (len == -1) {
-				s_util.c[1] = *(pchar) w;
+				s_util.c[1] = *(char *) w;
 				sum += s_util.s;
 				len = 0;
 			} else {
@@ -3877,7 +3740,7 @@ ushort slic_eeprom_cksum(pchar m, int len)
 			}
 
 		} else if (len == -1) {
-			s_util.c[0] = *(pchar) w;
+			s_util.c[0] = *(char *) w;
 		}
 
 		if (len == -1) {
@@ -3889,17 +3752,17 @@ ushort slic_eeprom_cksum(pchar m, int len)
 	return (ushort) sum;
 }
 
-int slic_rspqueue_init(p_adapter_t adapter)
+static int slic_rspqueue_init(struct adapter *adapter)
 {
 	int i;
-	p_slic_rspqueue_t rspq = &adapter->rspqueue;
-	p_slic_regs_t slic_regs = adapter->slic_regs;
-	ulong32 paddrh = 0;
+	struct slic_rspqueue *rspq = &adapter->rspqueue;
+	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
+	u32 paddrh = 0;
 
 	DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__,
 		adapter->netdev->name, adapter);
 	ASSERT(adapter->state == ADAPT_DOWN);
-	SLIC_ZERO_MEMORY(rspq, sizeof(slic_rspqueue_t));
+	memset(rspq, 0, sizeof(struct slic_rspqueue));
 
 	rspq->num_pages = SLIC_RSPQ_PAGES_GB;
 
@@ -3914,12 +3777,12 @@ int slic_rspqueue_init(p_adapter_t adapter)
 			return STATUS_FAILURE;
 		}
 #ifndef CONFIG_X86_64
-		ASSERT(((ulong32) rspq->vaddr[i] & 0xFFFFF000) ==
-		       (ulong32) rspq->vaddr[i]);
-		ASSERT(((ulong32) rspq->paddr[i] & 0xFFFFF000) ==
-		       (ulong32) rspq->paddr[i]);
+		ASSERT(((u32) rspq->vaddr[i] & 0xFFFFF000) ==
+		       (u32) rspq->vaddr[i]);
+		ASSERT(((u32) rspq->paddr[i] & 0xFFFFF000) ==
+		       (u32) rspq->paddr[i]);
 #endif
-		SLIC_ZERO_MEMORY(rspq->vaddr[i], PAGE_SIZE);
+		memset(rspq->vaddr[i], 0, PAGE_SIZE);
 /*              DBG_MSG("slicoss: %s UPLOAD RSPBUFF Page pageix[%x] paddr[%p] "
 			"vaddr[%p]\n",
 			__func__, i, (void *)rspq->paddr[i], rspq->vaddr[i]); */
@@ -3938,15 +3801,15 @@ int slic_rspqueue_init(p_adapter_t adapter)
 	}
 	rspq->offset = 0;
 	rspq->pageindex = 0;
-	rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[0];
+	rspq->rspbuf = (struct slic_rspbuf *)rspq->vaddr[0];
 	DBG_MSG("slicoss: %s (%s) EXIT adapter[%p]\n", __func__,
 		adapter->netdev->name, adapter);
 	return STATUS_SUCCESS;
 }
 
-int slic_rspqueue_reset(p_adapter_t adapter)
+static int slic_rspqueue_reset(struct adapter *adapter)
 {
-	p_slic_rspqueue_t rspq = &adapter->rspqueue;
+	struct slic_rspqueue *rspq = &adapter->rspqueue;
 
 	DBG_MSG("slicoss: %s (%s) ENTER adapter[%p]\n", __func__,
 		adapter->netdev->name, adapter);
@@ -3964,10 +3827,10 @@ int slic_rspqueue_reset(p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-void slic_rspqueue_free(p_adapter_t adapter)
+static void slic_rspqueue_free(struct adapter *adapter)
 {
 	int i;
-	slic_rspqueue_t *rspq = &adapter->rspqueue;
+	struct slic_rspqueue *rspq = &adapter->rspqueue;
 
 	DBG_MSG("slicoss: %s adapter[%p] port %d rspq[%p] FreeRSPQ\n",
 		__func__, adapter, adapter->physport, rspq);
@@ -3976,7 +3839,7 @@ void slic_rspqueue_free(p_adapter_t adapter)
 			DBG_MSG
 			    ("slicoss:  pci_free_consistent rspq->vaddr[%p] \
 			    paddr[%p]\n",
-			     rspq->vaddr[i], (pvoid) rspq->paddr[i]);
+			     rspq->vaddr[i], (void *) rspq->paddr[i]);
 			pci_free_consistent(adapter->pcidev, PAGE_SIZE,
 					    rspq->vaddr[i], rspq->paddr[i]);
 		}
@@ -3988,10 +3851,10 @@ void slic_rspqueue_free(p_adapter_t adapter)
 	rspq->rspbuf = NULL;
 }
 
-p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter)
+static struct slic_rspbuf *slic_rspqueue_getnext(struct adapter *adapter)
 {
-	p_slic_rspqueue_t rspq = &adapter->rspqueue;
-	p_slic_rspbuf_t buf;
+	struct slic_rspqueue *rspq = &adapter->rspqueue;
+	struct slic_rspbuf *buf;
 
 	if (!(rspq->rspbuf->status))
 		return NULL;
@@ -4004,8 +3867,8 @@ p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter)
 	if (++rspq->offset < SLIC_RSPQ_BUFSINPAGE) {
 		rspq->rspbuf++;
 #ifndef CONFIG_X86_64
-		ASSERT(((ulong32) rspq->rspbuf & 0xFFFFFFE0) ==
-		       (ulong32) rspq->rspbuf);
+		ASSERT(((u32) rspq->rspbuf & 0xFFFFFFE0) ==
+		       (u32) rspq->rspbuf);
 #endif
 	} else {
 		ASSERT(rspq->offset == SLIC_RSPQ_BUFSINPAGE);
@@ -4016,28 +3879,29 @@ p_slic_rspbuf_t slic_rspqueue_getnext(p_adapter_t adapter)
 			    adapter->slic_regs->slic_addr_upper, 0, DONT_FLUSH);
 		rspq->pageindex = (++rspq->pageindex) % rspq->num_pages;
 		rspq->offset = 0;
-		rspq->rspbuf = (p_slic_rspbuf_t) rspq->vaddr[rspq->pageindex];
+		rspq->rspbuf = (struct slic_rspbuf *)
+						rspq->vaddr[rspq->pageindex];
 #ifndef CONFIG_X86_64
-		ASSERT(((ulong32) rspq->rspbuf & 0xFFFFF000) ==
-		       (ulong32) rspq->rspbuf);
+		ASSERT(((u32) rspq->rspbuf & 0xFFFFF000) ==
+		       (u32) rspq->rspbuf);
 #endif
 	}
 #ifndef CONFIG_X86_64
-	ASSERT(((ulong32) buf & 0xFFFFFFE0) == (ulong32) buf);
+	ASSERT(((u32) buf & 0xFFFFFFE0) == (u32) buf);
 #endif
 	return buf;
 }
 
-void slic_cmdqmem_init(p_adapter_t adapter)
+static void slic_cmdqmem_init(struct adapter *adapter)
 {
-	slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem;
+	struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
 
-	SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t));
+	memset(cmdqmem, 0, sizeof(struct slic_cmdqmem));
 }
 
-void slic_cmdqmem_free(p_adapter_t adapter)
+static void slic_cmdqmem_free(struct adapter *adapter)
 {
-	slic_cmdqmem_t *cmdqmem = &adapter->cmdqmem;
+	struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
 	int i;
 
 	DBG_MSG("slicoss: (%s) adapter[%p] port %d rspq[%p] Free CMDQ Memory\n",
@@ -4045,20 +3909,20 @@ void slic_cmdqmem_free(p_adapter_t adapter)
 	for (i = 0; i < SLIC_CMDQ_MAXPAGES; i++) {
 		if (cmdqmem->pages[i]) {
 			DBG_MSG("slicoss: %s Deallocate page  CmdQPage[%p]\n",
-				__func__, (pvoid) cmdqmem->pages[i]);
+				__func__, (void *) cmdqmem->pages[i]);
 			pci_free_consistent(adapter->pcidev,
 					    PAGE_SIZE,
-					    (pvoid) cmdqmem->pages[i],
+					    (void *) cmdqmem->pages[i],
 					    cmdqmem->dma_pages[i]);
 		}
 	}
-	SLIC_ZERO_MEMORY(cmdqmem, sizeof(slic_cmdqmem_t));
+	memset(cmdqmem, 0, sizeof(struct slic_cmdqmem));
 }
 
-pulong32 slic_cmdqmem_addpage(p_adapter_t adapter)
+static u32 *slic_cmdqmem_addpage(struct adapter *adapter)
 {
-	p_slic_cmdqmem_t cmdqmem = &adapter->cmdqmem;
-	pulong32 pageaddr;
+	struct slic_cmdqmem *cmdqmem = &adapter->cmdqmem;
+	u32 *pageaddr;
 
 	if (cmdqmem->pagecnt >= SLIC_CMDQ_MAXPAGES)
 		return NULL;
@@ -4068,32 +3932,32 @@ pulong32 slic_cmdqmem_addpage(p_adapter_t adapter)
 	if (!pageaddr)
 		return NULL;
 #ifndef CONFIG_X86_64
-	ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr);
+	ASSERT(((u32) pageaddr & 0xFFFFF000) == (u32) pageaddr);
 #endif
 	cmdqmem->pages[cmdqmem->pagecnt] = pageaddr;
 	cmdqmem->pagecnt++;
 	return pageaddr;
 }
 
-int slic_cmdq_init(p_adapter_t adapter)
+static int slic_cmdq_init(struct adapter *adapter)
 {
 	int i;
-	pulong32 pageaddr;
+	u32 *pageaddr;
 
 	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
 	ASSERT(adapter->state == ADAPT_DOWN);
-	SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t));
-	SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t));
-	SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t));
-	SLIC_INIT_SPINLOCK(adapter->cmdq_all.lock);
-	SLIC_INIT_SPINLOCK(adapter->cmdq_free.lock);
-	SLIC_INIT_SPINLOCK(adapter->cmdq_done.lock);
+	memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
+	memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
+	memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
+	spin_lock_init(&adapter->cmdq_all.lock.lock);
+	spin_lock_init(&adapter->cmdq_free.lock.lock);
+	spin_lock_init(&adapter->cmdq_done.lock.lock);
 	slic_cmdqmem_init(adapter);
 	adapter->slic_handle_ix = 1;
 	for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
 		pageaddr = slic_cmdqmem_addpage(adapter);
 #ifndef CONFIG_X86_64
-		ASSERT(((ulong32) pageaddr & 0xFFFFF000) == (ulong32) pageaddr);
+		ASSERT(((u32) pageaddr & 0xFFFFF000) == (u32) pageaddr);
 #endif
 		if (!pageaddr) {
 			slic_cmdq_free(adapter);
@@ -4107,9 +3971,9 @@ int slic_cmdq_init(p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-void slic_cmdq_free(p_adapter_t adapter)
+static void slic_cmdq_free(struct adapter *adapter)
 {
-	p_slic_hostcmd_t cmd;
+	struct slic_hostcmd *cmd;
 
 	DBG_MSG("slicoss: %s adapter[%p] port %d FreeCommandsFrom CMDQ\n",
 		__func__, adapter, adapter->physport);
@@ -4126,21 +3990,23 @@ void slic_cmdq_free(p_adapter_t adapter)
 		}
 		cmd = cmd->next_all;
 	}
-	SLIC_ZERO_MEMORY(&adapter->cmdq_all, sizeof(slic_cmdqueue_t));
-	SLIC_ZERO_MEMORY(&adapter->cmdq_free, sizeof(slic_cmdqueue_t));
-	SLIC_ZERO_MEMORY(&adapter->cmdq_done, sizeof(slic_cmdqueue_t));
+	memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
+	memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
+	memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
 	slic_cmdqmem_free(adapter);
 }
 
-void slic_cmdq_reset(p_adapter_t adapter)
+static void slic_cmdq_reset(struct adapter *adapter)
 {
-	p_slic_hostcmd_t hcmd;
+	struct slic_hostcmd *hcmd;
 	struct sk_buff *skb;
-	ulong32 outstanding;
+	u32 outstanding;
 
 	DBG_MSG("%s ENTER adapter[%p]\n", __func__, adapter);
-	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_free.lock);
-	SLIC_ACQUIRE_IRQ_SPINLOCK(adapter->cmdq_done.lock);
+	spin_lock_irqsave(&adapter->cmdq_free.lock.lock,
+			adapter->cmdq_free.lock.flags);
+	spin_lock_irqsave(&adapter->cmdq_done.lock.lock,
+			adapter->cmdq_done.lock.flags);
 	outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
 	outstanding -= adapter->cmdq_free.count;
 	hcmd = adapter->cmdq_all.head;
@@ -4174,31 +4040,33 @@ void slic_cmdq_reset(p_adapter_t adapter)
 		DBG_ERROR("%s free_count %d != all count %d\n", __func__,
 			  adapter->cmdq_free.count, adapter->cmdq_all.count);
 	}
-	SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_done.lock);
-	SLIC_RELEASE_IRQ_SPINLOCK(adapter->cmdq_free.lock);
+	spin_unlock_irqrestore(&adapter->cmdq_done.lock.lock,
+				adapter->cmdq_done.lock.flags);
+	spin_unlock_irqrestore(&adapter->cmdq_free.lock.lock,
+				adapter->cmdq_free.lock.flags);
 	DBG_MSG("%s EXIT adapter[%p]\n", __func__, adapter);
 }
 
-void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page)
+static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
 {
-	p_slic_hostcmd_t cmd;
-	p_slic_hostcmd_t prev;
-	p_slic_hostcmd_t tail;
-	p_slic_cmdqueue_t cmdq;
+	struct slic_hostcmd *cmd;
+	struct slic_hostcmd *prev;
+	struct slic_hostcmd *tail;
+	struct slic_cmdqueue *cmdq;
 	int cmdcnt;
-	pvoid cmdaddr;
+	void *cmdaddr;
 	ulong phys_addr;
-	ulong32 phys_addrl;
-	ulong32 phys_addrh;
-	pslic_handle_t pslic_handle;
+	u32 phys_addrl;
+	u32 phys_addrh;
+	struct slic_handle *pslic_handle;
 
 	cmdaddr = page;
-	cmd = (p_slic_hostcmd_t) cmdaddr;
+	cmd = (struct slic_hostcmd *)cmdaddr;
 /*  DBG_MSG("CMDQ Page addr[%p] ix[%d] pfree[%p]\n", cmdaddr, slic_handle_ix,
     adapter->pfree_slic_handles); */
 	cmdcnt = 0;
 
-	phys_addr = SLIC_GET_PHYSICAL_ADDRESS((void *)page);
+	phys_addr = virt_to_bus((void *)page);
 	phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
 	phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
 
@@ -4214,7 +4082,7 @@ void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page)
 		       &adapter->slic_handles[pslic_handle->token.
 					      handle_index]);
 		pslic_handle->type = SLIC_HANDLE_CMD;
-		pslic_handle->address = (pvoid) cmd;
+		pslic_handle->address = (void *) cmd;
 		pslic_handle->offset = (ushort) adapter->slic_handle_ix++;
 		pslic_handle->other_handle = NULL;
 		pslic_handle->next = NULL;
@@ -4230,7 +4098,7 @@ void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page)
 		phys_addrl += SLIC_HOSTCMD_SIZE;
 		cmdaddr += SLIC_HOSTCMD_SIZE;
 
-		cmd = (p_slic_hostcmd_t) cmdaddr;
+		cmd = (struct slic_hostcmd *)cmdaddr;
 		cmdcnt++;
 	}
 
@@ -4240,36 +4108,37 @@ void slic_cmdq_addcmdpage(p_adapter_t adapter, pulong32 page)
 	ASSERT(VALID_ADDRESS(prev));
 	cmdq->head = prev;
 	cmdq = &adapter->cmdq_free;
-	SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock);
+	spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
 	cmdq->count += cmdcnt;	/*  SLIC_CMDQ_CMDSINPAGE;   mooktodo */
 	tail->next = cmdq->head;
 	ASSERT(VALID_ADDRESS(prev));
 	cmdq->head = prev;
-	SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
+	spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
 }
 
-p_slic_hostcmd_t slic_cmdq_getfree(p_adapter_t adapter)
+static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter)
 {
-	p_slic_cmdqueue_t cmdq = &adapter->cmdq_free;
-	p_slic_hostcmd_t cmd = NULL;
+	struct slic_cmdqueue *cmdq = &adapter->cmdq_free;
+	struct slic_hostcmd *cmd = NULL;
 
 lock_and_retry:
-	SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock);
+	spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
 retry:
 	cmd = cmdq->head;
 	if (cmd) {
 		cmdq->head = cmd->next;
 		cmdq->count--;
-		SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
+		spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
 	} else {
 		slic_cmdq_getdone(adapter);
 		cmd = cmdq->head;
 		if (cmd) {
 			goto retry;
 		} else {
-			pulong32 pageaddr;
+			u32 *pageaddr;
 
-			SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
+			spin_unlock_irqrestore(&cmdq->lock.lock,
+						cmdq->lock.flags);
 			pageaddr = slic_cmdqmem_addpage(adapter);
 			if (pageaddr) {
 				slic_cmdq_addcmdpage(adapter, pageaddr);
@@ -4280,13 +4149,13 @@ retry:
 	return cmd;
 }
 
-void slic_cmdq_getdone(p_adapter_t adapter)
+static void slic_cmdq_getdone(struct adapter *adapter)
 {
-	p_slic_cmdqueue_t done_cmdq = &adapter->cmdq_done;
-	p_slic_cmdqueue_t free_cmdq = &adapter->cmdq_free;
+	struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done;
+	struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free;
 
 	ASSERT(free_cmdq->head == NULL);
-	SLIC_ACQUIRE_IRQ_SPINLOCK(done_cmdq->lock);
+	spin_lock_irqsave(&done_cmdq->lock.lock, done_cmdq->lock.flags);
 	ASSERT(VALID_ADDRESS(done_cmdq->head));
 
 	free_cmdq->head = done_cmdq->head;
@@ -4294,28 +4163,15 @@ void slic_cmdq_getdone(p_adapter_t adapter)
 	done_cmdq->head = NULL;
 	done_cmdq->tail = NULL;
 	done_cmdq->count = 0;
-	SLIC_RELEASE_IRQ_SPINLOCK(done_cmdq->lock);
+	spin_unlock_irqrestore(&done_cmdq->lock.lock, done_cmdq->lock.flags);
 }
 
-void slic_cmdq_putdone(p_adapter_t adapter, p_slic_hostcmd_t cmd)
+static void slic_cmdq_putdone_irq(struct adapter *adapter,
+				struct slic_hostcmd *cmd)
 {
-	p_slic_cmdqueue_t cmdq = &adapter->cmdq_done;
+	struct slic_cmdqueue *cmdq = &adapter->cmdq_done;
 
-	SLIC_ACQUIRE_IRQ_SPINLOCK(cmdq->lock);
-	cmd->busy = 0;
-	ASSERT(VALID_ADDRESS(cmdq->head));
-	cmd->next = cmdq->head;
-	ASSERT(VALID_ADDRESS(cmd));
-	cmdq->head = cmd;
-	cmdq->count++;
-	SLIC_RELEASE_IRQ_SPINLOCK(cmdq->lock);
-}
-
-void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd)
-{
-	p_slic_cmdqueue_t cmdq = &adapter->cmdq_done;
-
-	SLIC_ACQUIRE_SPINLOCK(cmdq->lock);
+	spin_lock(&cmdq->lock.lock);
 	cmd->busy = 0;
 	ASSERT(VALID_ADDRESS(cmdq->head));
 	cmd->next = cmdq->head;
@@ -4324,13 +4180,13 @@ void slic_cmdq_putdone_irq(p_adapter_t adapter, p_slic_hostcmd_t cmd)
 	cmdq->count++;
 	if ((adapter->xmitq_full) && (cmdq->count > 10))
 		netif_wake_queue(adapter->netdev);
-	SLIC_RELEASE_SPINLOCK(cmdq->lock);
+	spin_unlock(&cmdq->lock.lock);
 }
 
-int slic_rcvqueue_init(p_adapter_t adapter)
+static int slic_rcvqueue_init(struct adapter *adapter)
 {
 	int i, count;
-	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+	struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
 
 	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
 	ASSERT(adapter->state == ADAPT_DOWN);
@@ -4353,9 +4209,9 @@ int slic_rcvqueue_init(p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-int slic_rcvqueue_reset(p_adapter_t adapter)
+static int slic_rcvqueue_reset(struct adapter *adapter)
 {
-	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+	struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
 
 	DBG_MSG("slicoss: %s ENTER adapter[%p]\n", __func__, adapter);
 	ASSERT(adapter->state == ADAPT_DOWN);
@@ -4371,9 +4227,9 @@ int slic_rcvqueue_reset(p_adapter_t adapter)
 	return STATUS_SUCCESS;
 }
 
-void slic_rcvqueue_free(p_adapter_t adapter)
+static void slic_rcvqueue_free(struct adapter *adapter)
 {
-	slic_rcvqueue_t *rcvq = &adapter->rcvqueue;
+	struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
 	struct sk_buff *skb;
 
 	while (rcvq->head) {
@@ -4386,16 +4242,16 @@ void slic_rcvqueue_free(p_adapter_t adapter)
 	rcvq->count = 0;
 }
 
-struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter)
+static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter)
 {
-	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+	struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
 	struct sk_buff *skb;
-	p_slic_rcvbuf_t rcvbuf;
+	struct slic_rcvbuf *rcvbuf;
 	int count;
 
 	if (rcvq->count) {
 		skb = rcvq->head;
-		rcvbuf = (p_slic_rcvbuf_t) skb->head;
+		rcvbuf = (struct slic_rcvbuf *)skb->head;
 		ASSERT(rcvbuf);
 
 		if (rcvbuf->status & IRHDDR_SVALID) {
@@ -4420,30 +4276,31 @@ struct sk_buff *slic_rcvqueue_getnext(p_adapter_t adapter)
 	return skb;
 }
 
-int slic_rcvqueue_fill(p_adapter_t adapter)
+static int slic_rcvqueue_fill(struct adapter *adapter)
 {
-	pvoid paddr;
-	ulong32 paddrl;
-	ulong32 paddrh;
-	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
+	void *paddr;
+	u32 paddrl;
+	u32 paddrh;
+	struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
 	int i = 0;
 
 	while (i < SLIC_RCVQ_FILLENTRIES) {
-		p_slic_rcvbuf_t rcvbuf;
+		struct slic_rcvbuf *rcvbuf;
 		struct sk_buff *skb;
 #ifdef KLUDGE_FOR_4GB_BOUNDARY
 retry_rcvqfill:
 #endif
 		skb = alloc_skb(SLIC_RCVQ_RCVBUFSIZE, GFP_ATOMIC);
 		if (skb) {
-			paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter,
+			paddr = (void *)pci_map_single(adapter->pcidev,
 							  skb->data,
-							  SLIC_RCVQ_RCVBUFSIZE);
+							  SLIC_RCVQ_RCVBUFSIZE,
+							  PCI_DMA_FROMDEVICE);
 			paddrl = SLIC_GET_ADDR_LOW(paddr);
 			paddrh = SLIC_GET_ADDR_HIGH(paddr);
 
 			skb->len = SLIC_RCVBUF_HEADSIZE;
-			rcvbuf = (p_slic_rcvbuf_t) skb->head;
+			rcvbuf = (struct slic_rcvbuf *)skb->head;
 			rcvbuf->status = 0;
 			skb->next = NULL;
 #ifdef KLUDGE_FOR_4GB_BOUNDARY
@@ -4479,13 +4336,13 @@ retry_rcvqfill:
 #endif
 			if (paddrh == 0) {
 				WRITE_REG(adapter->slic_regs->slic_hbar,
-					  (ulong32) paddrl, DONT_FLUSH);
+					  (u32) paddrl, DONT_FLUSH);
 			} else {
 				WRITE_REG64(adapter,
 					    adapter->slic_regs->slic_hbar64,
-					    (ulong32) paddrl,
+					    (u32) paddrl,
 					    adapter->slic_regs->slic_addr_upper,
-					    (ulong32) paddrh, DONT_FLUSH);
+					    (u32) paddrh, DONT_FLUSH);
 			}
 			if (rcvq->head)
 				rcvq->tail->next = skb;
@@ -4505,18 +4362,18 @@ retry_rcvqfill:
 	return i;
 }
 
-ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb)
+static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
 {
-	p_slic_rcvqueue_t rcvq = &adapter->rcvqueue;
-	pvoid paddr;
-	ulong32 paddrl;
-	ulong32 paddrh;
-	p_slic_rcvbuf_t rcvbuf = (p_slic_rcvbuf_t) skb->head;
+	struct slic_rcvqueue *rcvq = &adapter->rcvqueue;
+	void *paddr;
+	u32 paddrl;
+	u32 paddrh;
+	struct slic_rcvbuf *rcvbuf = (struct slic_rcvbuf *)skb->head;
 
 	ASSERT(skb->len == SLIC_RCVBUF_HEADSIZE);
-	paddr = (void *)SLIC_GET_DMA_ADDRESS_READ(adapter,
-						  skb->head,
-						  SLIC_RCVQ_RCVBUFSIZE);
+
+	paddr = (void *)pci_map_single(adapter->pcidev, skb->head,
+				  SLIC_RCVQ_RCVBUFSIZE, PCI_DMA_FROMDEVICE);
 	rcvbuf->status = 0;
 	skb->next = NULL;
 
@@ -4536,7 +4393,7 @@ ulong32 slic_rcvqueue_reinsert(p_adapter_t adapter, struct sk_buff *skb)
 			  rcvq->count);
 	}
 	if (paddrh == 0) {
-		WRITE_REG(adapter->slic_regs->slic_hbar, (ulong32) paddrl,
+		WRITE_REG(adapter->slic_regs->slic_hbar, (u32) paddrl,
 			  DONT_FLUSH);
 	} else {
 		WRITE_REG64(adapter,
@@ -4558,10 +4415,10 @@ static int slic_debug_card_show(struct seq_file *seq, void *v)
 {
 #ifdef MOOKTODO
 	int i;
-	p_sliccard_t card = seq->private;
+	struct sliccard *card = seq->private;
 	pslic_config_t config = &card->config;
-	puchar fru = (puchar) (&card->config.atk_fru);
-	puchar oemfru = (puchar) (&card->config.OemFru);
+	unsigned char *fru = (unsigned char *)(&card->config.atk_fru);
+	unsigned char *oemfru = (unsigned char *)(&card->config.OemFru);
 #endif
 
 	seq_printf(seq, "driver_version           : %s", slic_proc_version);
@@ -4600,7 +4457,7 @@ static int slic_debug_card_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "     IF  Init State Duplex/Speed irq\n");
 	seq_printf(seq, "     -------------------------------\n");
 	for (i = 0; i < card->adapters_allocated; i++) {
-		p_adapter_t adapter;
+		struct adapter *adapter;
 
 		adapter = card->adapter[i];
 		if (adapter) {
@@ -4768,7 +4625,7 @@ static int slic_debug_card_show(struct seq_file *seq, void *v)
 
 static int slic_debug_adapter_show(struct seq_file *seq, void *v)
 {
-	p_adapter_t adapter = seq->private;
+	struct adapter *adapter = seq->private;
 
 	if ((adapter->netdev) && (adapter->netdev->name)) {
 		seq_printf(seq, "info: interface          : %s\n",
@@ -4801,21 +4658,21 @@ static int slic_debug_adapter_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "rx stats: unicasts                 : %8.8X\n",
 		    adapter->rcv_unicasts);
 	seq_printf(seq, "rx stats: errors                   : %8.8X\n",
-		    (ulong32) adapter->slic_stats.iface.rcv_errors);
+		    (u32) adapter->slic_stats.iface.rcv_errors);
 	seq_printf(seq, "rx stats: Missed errors            : %8.8X\n",
-		    (ulong32) adapter->slic_stats.iface.rcv_discards);
+		    (u32) adapter->slic_stats.iface.rcv_discards);
 	seq_printf(seq, "rx stats: drops                    : %8.8X\n",
-			(ulong32) adapter->rcv_drops);
+			(u32) adapter->rcv_drops);
 	seq_printf(seq, "tx stats: packets                  : %8.8lX\n",
 			adapter->stats.tx_packets);
 	seq_printf(seq, "tx stats: bytes                    : %8.8lX\n",
 			adapter->stats.tx_bytes);
 	seq_printf(seq, "tx stats: errors                   : %8.8X\n",
-			(ulong32) adapter->slic_stats.iface.xmt_errors);
+			(u32) adapter->slic_stats.iface.xmt_errors);
 	seq_printf(seq, "rx stats: multicasts               : %8.8lX\n",
 			adapter->stats.multicast);
 	seq_printf(seq, "tx stats: collision errors         : %8.8X\n",
-			(ulong32) adapter->slic_stats.iface.xmit_collisions);
+			(u32) adapter->slic_stats.iface.xmit_collisions);
 	seq_printf(seq, "perf: Max rcv frames/isr           : %8.8X\n",
 			adapter->max_isr_rcvs);
 	seq_printf(seq, "perf: Rcv interrupt yields         : %8.8X\n",
@@ -4905,11 +4762,11 @@ static const struct file_operations slic_debug_card_fops = {
 	.release	= single_release,
 };
 
-static void slic_debug_adapter_create(p_adapter_t adapter)
+static void slic_debug_adapter_create(struct adapter *adapter)
 {
 	struct dentry *d;
 	char    name[7];
-	p_sliccard_t card = adapter->card;
+	struct sliccard *card = adapter->card;
 
 	if (!card->debugfs_dir)
 		return;
@@ -4924,7 +4781,7 @@ static void slic_debug_adapter_create(p_adapter_t adapter)
 		adapter->debugfs_entry = d;
 }
 
-static void slic_debug_adapter_destroy(p_adapter_t adapter)
+static void slic_debug_adapter_destroy(struct adapter *adapter)
 {
 	if (adapter->debugfs_entry) {
 		debugfs_remove(adapter->debugfs_entry);
@@ -4932,7 +4789,7 @@ static void slic_debug_adapter_destroy(p_adapter_t adapter)
 	}
 }
 
-static void slic_debug_card_create(p_sliccard_t card)
+static void slic_debug_card_create(struct sliccard *card)
 {
 	struct dentry *d;
 	char    name[IFNAMSIZ];
@@ -4955,12 +4812,12 @@ static void slic_debug_card_create(p_sliccard_t card)
 	}
 }
 
-static void slic_debug_card_destroy(p_sliccard_t card)
+static void slic_debug_card_destroy(struct sliccard *card)
 {
 	int i;
 
 	for (i = 0; i < card->card_size; i++) {
-		p_adapter_t adapter;
+		struct adapter *adapter;
 
 		adapter = card->adapter[i];
 		if (adapter)
@@ -5013,17 +4870,17 @@ static void slic_debug_cleanup(void)
 
 #include <stdarg.h>
 
-pvoid slic_dump_handle;		/* thread handle */
+void *slic_dump_handle;		/* thread handle */
 
 /*
  * These are the only things you should do on a core-file: use only these
  * functions to write out all the necessary info.
  */
-static int slic_dump_seek(struct file *SLIChandle, ulong32 file_offset)
+static int slic_dump_seek(struct file *SLIChandle, u32 file_offset)
 {
 	if (SLIChandle->f_pos != file_offset) {
 		/*DBG_MSG("slic_dump_seek  now needed [%x : %x]\n",
-			(ulong32)SLIChandle->f_pos, (ulong32)file_offset); */
+			(u32)SLIChandle->f_pos, (u32)file_offset); */
 		if (SLIChandle->f_op->llseek) {
 			if (SLIChandle->f_op->
 			    llseek(SLIChandle, file_offset, 0) != file_offset)
@@ -5035,11 +4892,11 @@ static int slic_dump_seek(struct file *SLIChandle, ulong32 file_offset)
 	return 1;
 }
 
-static int slic_dump_write(p_sliccard_t card,
-			   const void *addr, int size, ulong32 file_offset)
+static int slic_dump_write(struct sliccard *card,
+			   const void *addr, int size, u32 file_offset)
 {
 	int r = 1;
-	ulong32 result = 0;
+	u32 result = 0;
 	struct file *SLIChandle = card->dumphandle;
 
 #ifdef HISTORICAL		/* legacy */
@@ -5069,7 +4926,7 @@ static int slic_dump_write(p_sliccard_t card,
 	return r;
 }
 
-uint slic_init_dump_thread(p_sliccard_t card)
+static uint slic_init_dump_thread(struct sliccard *card)
 {
 	card->dump_task_id = kthread_run(slic_dump_thread, (void *)card, 0);
 
@@ -5082,17 +4939,17 @@ uint slic_init_dump_thread(p_sliccard_t card)
 	return STATUS_SUCCESS;
 }
 
-int slic_dump_thread(void *context)
+static int slic_dump_thread(void *context)
 {
-	p_sliccard_t card = (p_sliccard_t) context;
-	p_adapter_t adapter;
-	p_adapter_t dump_adapter = NULL;
-	ulong32 dump_complete = 0;
-	ulong32 delay = SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL);
-	p_slic_regs_t pregs;
-	ulong32 i;
-	p_slic_upr_t upr, uprnext;
-	ulong32 dump_card;
+	struct sliccard *card = (struct sliccard *)context;
+	struct adapter *adapter;
+	struct adapter *dump_adapter = NULL;
+	u32 dump_complete = 0;
+	u32 delay = SLIC_SECS_TO_JIFFS(PING_TIMER_INTERVAL);
+	struct slic_regs *pregs;
+	u32 i;
+	struct slic_upr *upr, *uprnext;
+	u32 dump_card;
 
 	ASSERT(card);
 
@@ -5248,19 +5105,20 @@ int slic_dump_thread(void *context)
 					 * now.
 					 */
 					if (!card->pingstatus) {
-						SLIC_ACQUIRE_IRQ_SPINLOCK
-						    (adapter->upr_lock);
+						spin_lock_irqsave(
+						    &adapter->upr_lock.lock,
+						    adapter->upr_lock.flags);
 						upr = adapter->upr_list;
 						while (upr) {
 							uprnext = upr->next;
-							SLIC_DEALLOCATE_MEM
-							    (upr);
+							kfree(upr);
 							upr = uprnext;
 						}
 						adapter->upr_list = 0;
 						adapter->upr_busy = 0;
-						SLIC_RELEASE_IRQ_SPINLOCK
-						    (adapter->upr_lock);
+						spin_unlock_irqrestore(
+						    &adapter->upr_lock.lock,
+						    adapter->upr_lock.flags);
 					}
 
 					slic_dump_card(card, FALSE);
@@ -5340,13 +5198,13 @@ end_thread:
  * value is used as our suffix for our dump path.  The
  * value is incremented and written back to the file
  */
-uchar slic_get_dump_index(pchar path)
+static unsigned char slic_get_dump_index(char *path)
 {
-	uchar index = 0;
+	unsigned char index = 0;
 #ifdef SLIC_DUMP_INDEX_SUPPORT
-	ulong32 status;
-	pvoid FileHandle;
-	ulong32 offset;
+	u32 status;
+	void *FileHandle;
+	u32 offset;
 
 	offset = 0;
 
@@ -5356,7 +5214,7 @@ uchar slic_get_dump_index(pchar path)
 	status = create_file(&FileHandle);
 
 	if (status != STATUS_SUCCESS)
-		return (uchar) 0;
+		return (unsigned char) 0;
 
 	status = read_file(FileHandle, &index, 1, &offset);
 
@@ -5371,7 +5229,7 @@ uchar slic_get_dump_index(pchar path)
 	return index;
 }
 
-struct file *slic_dump_open_file(p_sliccard_t card)
+static struct file *slic_dump_open_file(struct sliccard *card)
 {
 	struct file *SLIChandle = NULL;
 	struct dentry *dentry = NULL;
@@ -5434,7 +5292,7 @@ end_slicdump:
 	return NULL;
 }
 
-void slic_dump_close_file(p_sliccard_t card)
+static void slic_dump_close_file(struct sliccard *card)
 {
 
 /*  DBG_MSG("[slicmon] slic_dump_CLOSE_file close SLIChandle[%p]\n",
@@ -5445,19 +5303,19 @@ void slic_dump_close_file(p_sliccard_t card)
 	set_fs(card->dumpfile_fs);
 }
 
-ulong32 slic_dump_card(p_sliccard_t card, boolean resume)
+static u32 slic_dump_card(struct sliccard *card, bool resume)
 {
-	p_adapter_t adapter = card->master;
-	ulong32 status;
-	ulong32 queue;
-	ulong32 len, offset;
-	ulong32 sram_size, dram_size, regs;
+	struct adapter *adapter = card->master;
+	u32 status;
+	u32 queue;
+	u32 len, offset;
+	u32 sram_size, dram_size, regs;
 	sliccore_hdr_t corehdr;
-	ulong32 file_offset;
-	pchar namestr;
-	ulong32 i;
-	ulong32 max_queues = 0;
-	ulong32 result;
+	u32 file_offset;
+	char *namestr;
+	u32 i;
+	u32 max_queues = 0;
+	u32 result;
 
 	card->dumphandle = slic_dump_open_file(card);
 
@@ -5672,12 +5530,12 @@ ulong32 slic_dump_card(p_sliccard_t card, boolean resume)
 	max_queues = SLIC_MAX_QUEUE;
 
 	for (queue = 0; queue < max_queues; queue++) {
-		pulong32 qarray = (pulong32) card->dumpbuffer;
-		ulong32 qarray_physl = card->dumpbuffer_physl;
-		ulong32 qarray_physh = card->dumpbuffer_physh;
-		ulong32 qstart;
-		ulong32 qdelta;
-		ulong32 qtotal = 0;
+		u32 *qarray = (u32 *) card->dumpbuffer;
+		u32 qarray_physl = card->dumpbuffer_physl;
+		u32 qarray_physh = card->dumpbuffer_physh;
+		u32 qstart;
+		u32 qdelta;
+		u32 qtotal = 0;
 
 		DBG_MSG("[slicmon] Start Dump of QUEUE #0x%x\n", (uint) queue);
 
@@ -5823,9 +5681,9 @@ done:
 	return status;
 }
 
-ulong32 slic_dump_halt(p_sliccard_t card, uchar proc)
+static u32 slic_dump_halt(struct sliccard *card, unsigned char proc)
 {
-	puchar cmd = card->cmdbuffer;
+	unsigned char *cmd = card->cmdbuffer;
 
 	*cmd = COMMAND_BYTE(CMD_HALT, 0, proc);
 
@@ -5834,9 +5692,9 @@ ulong32 slic_dump_halt(p_sliccard_t card, uchar proc)
 				   card->cmdbuffer_physh, 0, 0);
 }
 
-ulong32 slic_dump_resume(p_sliccard_t card, uchar proc)
+static u32 slic_dump_resume(struct sliccard *card, unsigned char proc)
 {
-	puchar cmd = card->cmdbuffer;
+	unsigned char *cmd = card->cmdbuffer;
 
 	*cmd = COMMAND_BYTE(CMD_RUN, 0, proc);
 
@@ -5845,7 +5703,7 @@ ulong32 slic_dump_resume(p_sliccard_t card, uchar proc)
 				   card->cmdbuffer_physh, 0, 0);
 }
 
-ulong32 slic_dump_reg(p_sliccard_t card, uchar proc)
+static u32 slic_dump_reg(struct sliccard *card, unsigned char proc)
 {
 	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
 
@@ -5861,8 +5719,8 @@ ulong32 slic_dump_reg(p_sliccard_t card, uchar proc)
 				   card->dumpbuffer_physh);
 }
 
-ulong32 slic_dump_data(p_sliccard_t card,
-		       ulong32 addr, ushort count, uchar desc)
+static u32 slic_dump_data(struct sliccard *card,
+		       u32 addr, ushort count, unsigned char desc)
 {
 	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
 
@@ -5878,8 +5736,8 @@ ulong32 slic_dump_data(p_sliccard_t card,
 				   card->dumpbuffer_physh);
 }
 
-ulong32 slic_dump_queue(p_sliccard_t card,
-			ulong32 addr, ulong32 buf_physh, ulong32 queue)
+static u32 slic_dump_queue(struct sliccard *card,
+			u32 addr, u32 buf_physh, u32 queue)
 {
 	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
 
@@ -5894,7 +5752,8 @@ ulong32 slic_dump_queue(p_sliccard_t card,
 				   addr, card->dumpbuffer_physh);
 }
 
-ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue)
+static u32 slic_dump_load_queue(struct sliccard *card, u32 data,
+				u32 queue)
 {
 	pdump_cmd_t load = (pdump_cmd_t) card->cmdbuffer;
 
@@ -5908,8 +5767,8 @@ ulong32 slic_dump_load_queue(p_sliccard_t card, ulong32 data, ulong32 queue)
 				   card->cmdbuffer_physh, 0, 0);
 }
 
-ulong32 slic_dump_cam(p_sliccard_t card,
-		      ulong32 addr, ulong32 count, uchar desc)
+static u32 slic_dump_cam(struct sliccard *card,
+		      u32 addr, u32 count, unsigned char desc)
 {
 	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
 
@@ -5924,15 +5783,15 @@ ulong32 slic_dump_cam(p_sliccard_t card,
 				   addr, card->dumpbuffer_physh);
 }
 
-ulong32 slic_dump_send_cmd(p_sliccard_t card,
-			   ulong32 cmd_physl,
-			   ulong32 cmd_physh,
-			   ulong32 buf_physl, ulong32 buf_physh)
+static u32 slic_dump_send_cmd(struct sliccard *card,
+			   u32 cmd_physl,
+			   u32 cmd_physh,
+			   u32 buf_physl, u32 buf_physh)
 {
 	ulong timeout = SLIC_MS_TO_JIFFIES(500);	/* 500 msec */
-	ulong32 attempts = 5;
-	ulong32 delay = SLIC_MS_TO_JIFFIES(10);	/* 10 msec */
-	p_adapter_t adapter = card->master;
+	u32 attempts = 5;
+	u32 delay = SLIC_MS_TO_JIFFIES(10);	/* 10 msec */
+	struct adapter *adapter = card->master;
 
 	ASSERT(adapter);
 	do {
-- 
GitLab


From 4578ca0fc2be611ea98618b028ecfbb2415cd990 Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Sun, 5 Oct 2008 15:35:46 +0300
Subject: [PATCH 0353/2224] Staging: SLICOSS: Fix warnings due to static usage

Fix a few warning messages that crept in due to conversion of all the
functions to static

Signed-off-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/slicinc.h | 6 ------
 drivers/staging/slicoss/slicoss.c | 3 ++-
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/slicoss/slicinc.h b/drivers/staging/slicoss/slicinc.h
index 610c1abd988..71288c4f7be 100644
--- a/drivers/staging/slicoss/slicinc.h
+++ b/drivers/staging/slicoss/slicinc.h
@@ -61,7 +61,6 @@ static void slic_xmit_fail(struct adapter    *adapter,
 			void *cmd,
 			u32           skbtype,
 			u32           status);
-static void slic_xmit_timeout(struct net_device *dev);
 static void slic_config_pci(struct pci_dev *pcidev);
 static struct sk_buff *slic_rcvqueue_getnext(struct adapter *adapter);
 
@@ -90,8 +89,6 @@ static void  slic_cmdq_free(struct adapter *adapter);
 static void  slic_cmdq_reset(struct adapter *adapter);
 static void  slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page);
 static void  slic_cmdq_getdone(struct adapter *adapter);
-static void  slic_cmdq_putdone(struct adapter *adapter,
-						struct slic_hostcmd *cmd);
 static void  slic_cmdq_putdone_irq(struct adapter *adapter,
 						struct slic_hostcmd *cmd);
 static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter);
@@ -103,7 +100,6 @@ static void  slic_rcvqueue_free(struct adapter *adapter);
 static void slic_rcv_handle_error(struct adapter *adapter,
 					struct slic_rcvbuf *rcvbuf);
 static void slic_adapter_set_hwaddr(struct adapter *adapter);
-static void slic_card_halt(struct sliccard *card, struct adapter *adapter);
 static int slic_card_init(struct sliccard *card, struct adapter *adapter);
 static void slic_intagg_set(struct adapter *adapter, u32 value);
 static int  slic_card_download(struct adapter *adapter);
@@ -120,7 +116,6 @@ static void slic_unmap_mmio_space(struct adapter *adapter);
 static void slic_card_cleanup(struct sliccard *card);
 static void slic_init_cleanup(struct adapter *adapter);
 static void slic_soft_reset(struct adapter *adapter);
-static void slic_card_reset(struct adapter *adapter);
 static bool slic_mac_filter(struct adapter *adapter,
 			struct ether_header *ether_frame);
 static void slic_mac_address_config(struct adapter *adapter);
@@ -133,7 +128,6 @@ static void slic_config_set(struct adapter *adapter, bool linkchange);
 static void slic_config_clear(struct adapter *adapter);
 static void slic_config_get(struct adapter *adapter, u32 config,
 			u32 configh);
-static void slic_timer_get_stats(ulong device);
 static void slic_timer_load_check(ulong context);
 static void slic_timer_ping(ulong dev);
 static void slic_assert_fail(void);
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index eb615652a08..f2424779726 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -3128,6 +3128,7 @@ static int slic_mac_set_address(struct net_device *dev, void *ptr)
  * 50 seconds or whatever STATS_TIMER_INTERVAL is set to.
  *
  */
+#if SLIC_GET_STATS_TIMER_ENABLED
 static void slic_timer_get_stats(ulong dev)
 {
 	struct adapter *adapter;
@@ -3163,7 +3164,7 @@ static void slic_timer_get_stats(ulong dev)
 	    SLIC_SECS_TO_JIFFS(STATS_TIMER_INTERVAL);
 	add_timer(&adapter->statstimer);
 }
-
+#endif
 static void slic_timer_load_check(ulong cardaddr)
 {
 	struct sliccard *card = (struct sliccard *)cardaddr;
-- 
GitLab


From 68cf95f3183c7bd60feab3bb774e1e4c7f36fe71 Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Tue, 7 Oct 2008 14:14:04 +0200
Subject: [PATCH 0354/2224] Staging: SLICOSS: Fix remaining type names

Fix the remaining variables that still had '_t' as a postfix and also
a couple of checkpatch warnings.

Signed-off-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/slic_os.h  |  6 ++++--
 drivers/staging/slicoss/slicdump.h |  2 +-
 drivers/staging/slicoss/slichw.h   |  6 +++---
 drivers/staging/slicoss/slicoss.c  | 30 +++++++++++++++---------------
 4 files changed, 23 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/slicoss/slic_os.h b/drivers/staging/slicoss/slic_os.h
index b0d2883034c..46c678440d2 100644
--- a/drivers/staging/slicoss/slic_os.h
+++ b/drivers/staging/slicoss/slic_os.h
@@ -53,7 +53,8 @@
 	{                                                           \
 		adapter->card->reg_type[adapter->card->debug_ix] = 0;   \
 		adapter->card->reg_offset[adapter->card->debug_ix] = \
-			((unsigned char *)(&reg)) - ((unsigned char *)adapter->slic_regs); \
+		((unsigned char *)(&reg)) - \
+		((unsigned char *)adapter->slic_regs); \
 		adapter->card->reg_value[adapter->card->debug_ix++] = value;  \
 		if (adapter->card->debug_ix == 32) \
 			adapter->card->debug_ix = 0;                      \
@@ -63,7 +64,8 @@
 	{                                                           \
 		adapter->card->reg_type[adapter->card->debug_ix] = 1;        \
 		adapter->card->reg_offset[adapter->card->debug_ix] = \
-			((unsigned char *)(&reg)) - ((unsigned char *)adapter->slic_regs); \
+		((unsigned char *)(&reg)) - \
+		((unsigned char *)adapter->slic_regs); \
 		adapter->card->reg_value[adapter->card->debug_ix] = value;   \
 		adapter->card->reg_valueh[adapter->card->debug_ix++] = valh;  \
 		if (adapter->card->debug_ix == 32) \
diff --git a/drivers/staging/slicoss/slicdump.h b/drivers/staging/slicoss/slicdump.h
index ca0a2216f70..92a9b44bcad 100644
--- a/drivers/staging/slicoss/slicdump.h
+++ b/drivers/staging/slicoss/slicdump.h
@@ -228,7 +228,7 @@ struct CORE_Q {
 #define DRIVER_NAME_SIZE    32
 
 struct sliccore_hdr {
-    unsigned char   driver_version[DRIVER_NAME_SIZE];    /* Driver version string */
+    unsigned char driver_version[DRIVER_NAME_SIZE]; /* Driver version string */
     u32   RcvRegOff;          /* Offset of receive registers */
     u32   RcvRegsize;         /* size of receive registers */
     u32   XmtRegOff;          /* Offset of transmit registers */
diff --git a/drivers/staging/slicoss/slichw.h b/drivers/staging/slicoss/slichw.h
index 4c5c15d49e6..d03e90b0675 100644
--- a/drivers/staging/slicoss/slichw.h
+++ b/drivers/staging/slicoss/slichw.h
@@ -702,7 +702,7 @@ struct vendor4_fru {
     unsigned char        pad[3];
 };
 
-union oemfru_t {
+union oemfru {
     struct vendor1_fru   vendor1_fru;
     struct vendor2_fru   vendor2_fru;
     struct vendor3_fru   vendor3_fru;
@@ -764,7 +764,7 @@ struct slic_eeprom {
 	unsigned char	FruFormat;	/* Alacritech FRU format type */
 	struct atk_fru   AtkFru;	/* Alacritech FRU information */
 	unsigned char	OemFruFormat;	/* optional OEM FRU format type */
-	union oemfru_t    OemFru;         /* optional OEM FRU information */
+	union oemfru    OemFru;         /* optional OEM FRU information */
 	unsigned char	Pad[4];	/* Pad to 128 bytes - includes 2 cksum bytes
 				 *(if OEM FRU info exists) and two unusable
 				 * bytes at the end */
@@ -809,7 +809,7 @@ struct oslic_eeprom {
 	unsigned char	FruFormat;	/* 35 Alacritech FRU format type */
 	struct atk_fru	AtkFru;	/* Alacritech FRU information */
 	unsigned char	OemFruFormat;	/* optional OEM FRU format type */
-	union oemfru_t    OemFru;         /* optional OEM FRU information */
+	union oemfru    OemFru;         /* optional OEM FRU information */
 	unsigned char	Pad[4];	/* Pad to 128 bytes - includes 2 checksum bytes
 				 * (if OEM FRU info exists) and two unusable
 				 * bytes at the end
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index f2424779726..c129e83e2f4 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -1015,7 +1015,7 @@ static int slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
 
 #ifdef DEBUG_DUMP
 	if (adapter->kill_card) {
-		p_slic_host64_cmd_t ihcmd;
+		struct slic_host64_cmd ihcmd;
 
 		ihcmd = &hcmd->cmd64;
 
@@ -2455,7 +2455,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
 	unsigned char fruformat;
 	unsigned char oemfruformat;
 	struct atk_fru *patkfru;
-	union oemfru_t *poemfru;
+	union oemfru *poemfru;
 
 	DBG_MSG
 	    ("slicoss: %s ENTER card[%p] adapter[%p] card->state[%x] \
@@ -2692,7 +2692,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
 	 *  Allocate COMMAND BUFFER
 	 */
 	if (!card->cmdbuffer) {
-		card->cmdbuffer = kmalloc(sizeof(dump_cmd_t), GFP_ATOMIC);
+		card->cmdbuffer = kmalloc(sizeof(struct dump_cmd), GFP_ATOMIC);
 
 		ASSERT(card->cmdbuffer);
 		if (card->cmdbuffer == NULL)
@@ -2702,7 +2702,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
 	 *  Smear the shared memory structure and then obtain
 	 *  the PHYSICAL address of this structure
 	 */
-	memset(card->cmdbuffer, 0, sizeof(dump_cmd_t));
+	memset(card->cmdbuffer, 0, sizeof(struct dump_cmd));
 	card->cmdbuffer_phys = virt_to_bus(card->cmdbuffer);
 	card->cmdbuffer_physh = SLIC_GET_ADDR_HIGH(card->cmdbuffer_phys);
 	card->cmdbuffer_physl = SLIC_GET_ADDR_LOW(card->cmdbuffer_phys);
@@ -4417,7 +4417,7 @@ static int slic_debug_card_show(struct seq_file *seq, void *v)
 #ifdef MOOKTODO
 	int i;
 	struct sliccard *card = seq->private;
-	pslic_config_t config = &card->config;
+	struct slic_config *config = &card->config;
 	unsigned char *fru = (unsigned char *)(&card->config.atk_fru);
 	unsigned char *oemfru = (unsigned char *)(&card->config.OemFru);
 #endif
@@ -5311,7 +5311,7 @@ static u32 slic_dump_card(struct sliccard *card, bool resume)
 	u32 queue;
 	u32 len, offset;
 	u32 sram_size, dram_size, regs;
-	sliccore_hdr_t corehdr;
+	struct sliccore_hdr corehdr;
 	u32 file_offset;
 	char *namestr;
 	u32 i;
@@ -5344,7 +5344,7 @@ static u32 slic_dump_card(struct sliccard *card, bool resume)
 	}
 	corehdr.driver_version[i] = 0;
 
-	file_offset = sizeof(sliccore_hdr_t);
+	file_offset = sizeof(struct sliccore_hdr);
 
 	/*
 	 * Issue the following debug commands to the SLIC:
@@ -5651,10 +5651,10 @@ done:
 	 */
 	file_offset = 0;
 	DBG_MSG("[slicmon] Write CoreHeader len[%x] offset[%x]\n",
-		(uint) sizeof(sliccore_hdr_t), file_offset);
+		(uint) sizeof(struct sliccore_hdr), file_offset);
 
 	result =
-	    slic_dump_write(card, &corehdr, sizeof(sliccore_hdr_t),
+	    slic_dump_write(card, &corehdr, sizeof(struct sliccore_hdr),
 			    file_offset);
 	DBG_MSG("[slicmon] corehdr  xoff[%x] xsz[%x]\n"
 		"    roff[%x] rsz[%x] fileoff[%x] filesz[%x]\n"
@@ -5663,7 +5663,7 @@ done:
 		corehdr.XmtRegsize, corehdr.RcvRegOff, corehdr.RcvRegsize,
 		corehdr.FileRegOff, corehdr.FileRegsize, corehdr.SramOff,
 		corehdr.Sramsize, corehdr.DramOff, corehdr.Dramsize,
-		(uint) sizeof(sliccore_hdr_t));
+		(uint) sizeof(struct sliccore_hdr));
 	for (i = 0; i < max_queues; i++) {
 		DBG_MSG("[slicmon]  QUEUE 0x%x  offset[%x] size[%x]\n",
 			(uint) i, corehdr.queues[i].queueOff,
@@ -5706,7 +5706,7 @@ static u32 slic_dump_resume(struct sliccard *card, unsigned char proc)
 
 static u32 slic_dump_reg(struct sliccard *card, unsigned char proc)
 {
-	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+	struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer;
 
 	dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, proc);
 	dump->desc = DESC_REG;
@@ -5723,7 +5723,7 @@ static u32 slic_dump_reg(struct sliccard *card, unsigned char proc)
 static u32 slic_dump_data(struct sliccard *card,
 		       u32 addr, ushort count, unsigned char desc)
 {
-	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+	struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer;
 
 	dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE);
 	dump->desc = desc;
@@ -5740,7 +5740,7 @@ static u32 slic_dump_data(struct sliccard *card,
 static u32 slic_dump_queue(struct sliccard *card,
 			u32 addr, u32 buf_physh, u32 queue)
 {
-	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+	struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer;
 
 	dump->cmd = COMMAND_BYTE(CMD_DUMP, 0, PROC_RECEIVE);
 	dump->desc = DESC_QUEUE;
@@ -5756,7 +5756,7 @@ static u32 slic_dump_queue(struct sliccard *card,
 static u32 slic_dump_load_queue(struct sliccard *card, u32 data,
 				u32 queue)
 {
-	pdump_cmd_t load = (pdump_cmd_t) card->cmdbuffer;
+	struct dump_cmd *load = (struct dump_cmd *) card->cmdbuffer;
 
 	load->cmd = COMMAND_BYTE(CMD_LOAD, 0, PROC_RECEIVE);
 	load->desc = DESC_QUEUE;
@@ -5771,7 +5771,7 @@ static u32 slic_dump_load_queue(struct sliccard *card, u32 data,
 static u32 slic_dump_cam(struct sliccard *card,
 		      u32 addr, u32 count, unsigned char desc)
 {
-	pdump_cmd_t dump = (pdump_cmd_t) card->cmdbuffer;
+	struct dump_cmd *dump = (struct dump_cmd *)card->cmdbuffer;
 
 	dump->cmd = COMMAND_BYTE(CMD_CAM_OPS, 0, PROC_NONE);
 	dump->desc = desc;
-- 
GitLab


From f25fda728dfb5c23d1147279fc6a537451603369 Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Wed, 8 Oct 2008 11:37:37 +0200
Subject: [PATCH 0355/2224] Staging: SLICOSS: Call pci_release_regions at
 driver exit

slic_entry_probe() calls pci_request_regions() but there's no matching
pci_release_regions() at driver's exit or if slic_entry_probe() fails.

Signed-off-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/slicoss.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index c129e83e2f4..b61ac4b2db9 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -520,6 +520,7 @@ err_out_free_mmio_region:
 	release_mem_region(mmio_start, mmio_len);
 
 err_out_exit_slic_probe:
+	pci_release_regions(pcidev);
 	DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __func__, jiffies,
 		  smp_processor_id());
 
@@ -649,6 +650,7 @@ static void __devexit slic_entry_remove(struct pci_dev *pcidev)
 	}
 	DBG_MSG("slicoss: %s deallocate device\n", __func__);
 	kfree(dev);
+	pci_release_regions(pcidev);
 	DBG_MSG("slicoss: %s EXIT\n", __func__);
 }
 
-- 
GitLab


From 5c7514e0610249a4e7710eefd801c2b0442eb8ea Mon Sep 17 00:00:00 2001
From: "J.R. Mauro" <jrm8005@gmail.com>
Date: Sun, 5 Oct 2008 20:38:52 -0400
Subject: [PATCH 0356/2224] Staging: Lindent sxg.c

Lindent drivers/staging/sxg/sxg.c

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/sxg.c | 146 +++++++++++++++++++++-----------------
 1 file changed, 81 insertions(+), 65 deletions(-)

diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index 0117d512940..6ccbee875ab 100644
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -80,9 +80,15 @@
 #include "sxgphycode.h"
 #include "saharadbgdownload.h"
 
-static int sxg_allocate_buffer_memory(p_adapter_t adapter, u32 Size, SXG_BUFFER_TYPE BufferType);
-static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, void * RcvBlock, dma_addr_t PhysicalAddress, u32 Length);
-static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter, PSXG_SCATTER_GATHER SxgSgl, dma_addr_t PhysicalAddress, u32 Length);
+static int sxg_allocate_buffer_memory(p_adapter_t adapter, u32 Size,
+				      SXG_BUFFER_TYPE BufferType);
+static void sxg_allocate_rcvblock_complete(p_adapter_t adapter, void *RcvBlock,
+					   dma_addr_t PhysicalAddress,
+					   u32 Length);
+static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter,
+					     PSXG_SCATTER_GATHER SxgSgl,
+					     dma_addr_t PhysicalAddress,
+					     u32 Length);
 
 static void sxg_mcast_init_crc32(void);
 
@@ -100,13 +106,13 @@ static void sxg_complete_slow_send(p_adapter_t adapter);
 static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event);
 static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus);
 static bool sxg_mac_filter(p_adapter_t adapter,
-		       p_ether_header EtherHdr, ushort length);
+			   p_ether_header EtherHdr, ushort length);
 
 #if SLIC_GET_STATS_ENABLED
 static struct net_device_stats *sxg_get_stats(p_net_device dev);
 #endif
 
-static int sxg_mac_set_address(p_net_device dev, void * ptr);
+static int sxg_mac_set_address(p_net_device dev, void *ptr);
 
 static void sxg_adapter_set_hwaddr(p_adapter_t adapter);
 
@@ -115,20 +121,19 @@ static void sxg_mcast_set_mask(p_adapter_t adapter);
 
 static int sxg_initialize_adapter(p_adapter_t adapter);
 static void sxg_stock_rcv_buffers(p_adapter_t adapter);
-static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index);
+static void sxg_complete_descriptor_blocks(p_adapter_t adapter,
+					   unsigned char Index);
 static int sxg_initialize_link(p_adapter_t adapter);
 static int sxg_phy_init(p_adapter_t adapter);
 static void sxg_link_event(p_adapter_t adapter);
 static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter);
 static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState);
 static int sxg_write_mdio_reg(p_adapter_t adapter,
-		       u32 DevAddr, u32 RegAddr, u32 Value);
+			      u32 DevAddr, u32 RegAddr, u32 Value);
 static int sxg_read_mdio_reg(p_adapter_t adapter,
-		      u32 DevAddr, u32 RegAddr, u32 * pValue);
+			     u32 DevAddr, u32 RegAddr, u32 *pValue);
 static void sxg_mcast_set_list(p_net_device dev);
 
-
-
 #define XXXTODO 0
 
 static unsigned int sxg_first_init = 1;
@@ -164,6 +169,7 @@ static struct pci_device_id sxg_pci_tbl[] __devinitdata = {
 	{PCI_DEVICE(SXG_VENDOR_ID, SXG_DEVICE_ID)},
 	{0,}
 };
+
 MODULE_DEVICE_TABLE(pci, sxg_pci_tbl);
 
 /***********************************************************************
@@ -242,7 +248,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 	PSXG_HW_REGS HwRegs = adapter->HwRegs;
 	u32 Section;
 	u32 ThisSectionSize;
-	u32 * Instruction = NULL;
+	u32 *Instruction = NULL;
 	u32 BaseAddress, AddressOffset, Address;
 //      u32                         Failure;
 	u32 ValueRead;
@@ -606,7 +612,7 @@ static void sxg_config_pci(struct pci_dev *pcidev)
 				     PCI_COMMAND_MASTER |	// Bus master enable
 				     PCI_COMMAND_INVALIDATE |	// Memory write and invalidate
 				     PCI_COMMAND_PARITY |	// Parity error response
-				     PCI_COMMAND_SERR |		// System ERR
+				     PCI_COMMAND_SERR |	// System ERR
 				     PCI_COMMAND_FAST_BACK);	// Fast back-to-back
 	if (pci_command != new_command) {
 		DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n",
@@ -695,17 +701,19 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 		  mmio_start, mmio_len);
 
 	memmapped_ioaddr = ioremap(mmio_start, mmio_len);
-	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __FUNCTION__, memmapped_ioaddr);
+	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __FUNCTION__,
+		  memmapped_ioaddr);
 	if (!memmapped_ioaddr) {
 		DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
 			  __FUNCTION__, mmio_len, mmio_start);
 		goto err_out_free_mmio_region;
 	}
 
-	DBG_ERROR("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] len[%lx], IRQ %d.\n",
+	DBG_ERROR
+	    ("sxg: %s found Alacritech SXG PCI, MMIO at %p, start[%lx] len[%lx], IRQ %d.\n",
 	     __func__, memmapped_ioaddr, mmio_start, mmio_len, pcidev->irq);
 
-	adapter->HwRegs = (void *) memmapped_ioaddr;
+	adapter->HwRegs = (void *)memmapped_ioaddr;
 	adapter->base_addr = memmapped_ioaddr;
 
 	mmio_start = pci_resource_start(pcidev, 2);
@@ -715,7 +723,8 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 		  mmio_start, mmio_len);
 
 	memmapped_ioaddr = ioremap(mmio_start, mmio_len);
-	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __func__, memmapped_ioaddr);
+	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __func__,
+		  memmapped_ioaddr);
 	if (!memmapped_ioaddr) {
 		DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
 			  __FUNCTION__, mmio_len, mmio_start);
@@ -845,7 +854,6 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	return -ENODEV;
 }
 
-
 /***********************************************************************
  * LINE BASE Interrupt routines..
  ***********************************************************************/
@@ -957,7 +965,8 @@ static irqreturn_t sxg_isr(int irq, void *dev_id)
 			PSXG_EVENT_RING EventRing = &adapter->EventRings[i];
 			PSXG_EVENT Event =
 			    &EventRing->Ring[adapter->NextEvent[i]];
-			unsigned char Cpu = adapter->RssSystemInfo->RssIdToCpu[i];
+			unsigned char Cpu =
+			    adapter->RssSystemInfo->RssIdToCpu[i];
 			if (Event->Status & EVENT_STATUS_VALID) {
 				adapter->IsrDpcsPending++;
 				CpuMask |= (1 << Cpu);
@@ -1078,7 +1087,8 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
 		if (Isr & SXG_ISR_DEAD) {
 			// Set aside the crash info and set the adapter state to RESET
 			adapter->CrashCpu =
-			    (unsigned char) ((Isr & SXG_ISR_CPU) >> SXG_ISR_CPU_SHIFT);
+			    (unsigned char)((Isr & SXG_ISR_CPU) >>
+					    SXG_ISR_CPU_SHIFT);
 			adapter->CrashLocation = (ushort) (Isr & SXG_ISR_CRASH);
 			adapter->Dead = TRUE;
 			DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __FUNCTION__,
@@ -1286,7 +1296,7 @@ static void sxg_complete_slow_send(p_adapter_t adapter)
 {
 	PSXG_XMT_RING XmtRing = &adapter->XmtRings[0];
 	PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo;
-	u32 * ContextType;
+	u32 *ContextType;
 	PSXG_CMD XmtCmd;
 
 	// NOTE - This lock is dropped and regrabbed in this loop.
@@ -1380,11 +1390,9 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvError",
 			  Event, Event->Status, Event->HostHandle, 0);
 		// XXXTODO - Remove this print later
-		DBG_ERROR("SXG: Receive error %x\n",
-			  *(u32 *)
+		DBG_ERROR("SXG: Receive error %x\n", *(u32 *)
 			  SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr));
-		sxg_process_rcv_error(adapter,
-				      *(u32 *)
+		sxg_process_rcv_error(adapter, *(u32 *)
 				      SXG_RECEIVE_DATA_LOCATION
 				      (RcvDataBufferHdr));
 		goto drop;
@@ -1406,8 +1414,7 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
 	//
 	// Dumb-nic frame.  See if it passes our mac filter and update stats
 	//
-	if (!sxg_mac_filter(adapter,
-			    (p_ether_header)
+	if (!sxg_mac_filter(adapter, (p_ether_header)
 			    SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr),
 			    Event->Length)) {
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvFiltr",
@@ -1527,7 +1534,8 @@ static void sxg_process_rcv_error(p_adapter_t adapter, u32 ErrorStatus)
  * Return Value:
  * 	TRUE if the frame is to be allowed
  */
-static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr, ushort length)
+static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr,
+			   ushort length)
 {
 	bool EqualAddr;
 
@@ -1600,7 +1608,8 @@ static int sxg_register_interrupt(p_adapter_t adapter)
 		    ("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x] %x\n",
 		     __FUNCTION__, adapter, adapter->netdev->irq, NR_IRQS);
 
-		spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags);
+		spin_unlock_irqrestore(&sxg_global.driver_lock,
+				       sxg_global.flags);
 
 		retval = request_irq(adapter->netdev->irq,
 				     &sxg_isr,
@@ -1729,7 +1738,6 @@ static int sxg_entry_open(p_net_device dev)
 		sxg_global.num_sxg_ports_active++;
 		adapter->activated = 1;
 	}
-
 	// Initialize the adapter
 	DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __FUNCTION__);
 	status = sxg_initialize_adapter(adapter);
@@ -1786,7 +1794,7 @@ static void __devexit sxg_entry_remove(struct pci_dev *pcidev)
 	release_mem_region(mmio_start, mmio_len);
 
 	DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __FUNCTION__,
-		  (unsigned int) dev->base_addr);
+		  (unsigned int)dev->base_addr);
 	iounmap((char *)dev->base_addr);
 
 	DBG_ERROR("sxg: %s deallocate device\n", __FUNCTION__);
@@ -1929,7 +1937,7 @@ static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb)
 {
 	PSCATTER_GATHER_LIST pSgl;
 	PSXG_SCATTER_GATHER SxgSgl;
-	void * SglBuffer;
+	void *SglBuffer;
 	u32 SglBufferLength;
 
 	// The vast majority of work is done in the shared
@@ -2038,7 +2046,9 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl)
 #endif
 	// Fill in the command
 	// Copy out the first SGE to the command and adjust for offset
-	phys_addr = pci_map_single(adapter->pcidev, skb->data, skb->len, PCI_DMA_TODEVICE);
+	phys_addr =
+	    pci_map_single(adapter->pcidev, skb->data, skb->len,
+			   PCI_DMA_TODEVICE);
 	XmtCmd->Buffer.FirstSgeAddress = SXG_GET_ADDR_HIGH(phys_addr);
 	XmtCmd->Buffer.FirstSgeAddress = XmtCmd->Buffer.FirstSgeAddress << 32;
 	XmtCmd->Buffer.FirstSgeAddress =
@@ -2422,7 +2432,8 @@ static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter)
 	return (SXG_LINK_DOWN);
 }
 
-static void sxg_indicate_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
+static void sxg_indicate_link_state(p_adapter_t adapter,
+				    SXG_LINK_STATE LinkState)
 {
 	if (adapter->LinkState == SXG_LINK_UP) {
 		DBG_ERROR("%s: LINK now UP, call netif_start_queue\n",
@@ -2487,11 +2498,11 @@ static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
  *	status
  */
 static int sxg_write_mdio_reg(p_adapter_t adapter,
-		   u32 DevAddr, u32 RegAddr, u32 Value)
+			      u32 DevAddr, u32 RegAddr, u32 Value)
 {
 	PSXG_HW_REGS HwRegs = adapter->HwRegs;
 	u32 AddrOp;		// Address operation (written to MIIM field reg)
-	u32 WriteOp;	// Write operation (written to MIIM field reg)
+	u32 WriteOp;		// Write operation (written to MIIM field reg)
 	u32 Cmd;		// Command (written to MIIM command reg)
 	u32 ValueRead;
 	u32 Timeout;
@@ -2577,7 +2588,7 @@ static int sxg_write_mdio_reg(p_adapter_t adapter,
  *	status
  */
 static int sxg_read_mdio_reg(p_adapter_t adapter,
-		  u32 DevAddr, u32 RegAddr, u32 * pValue)
+			     u32 DevAddr, u32 RegAddr, u32 *pValue)
 {
 	PSXG_HW_REGS HwRegs = adapter->HwRegs;
 	u32 AddrOp;		// Address operation (written to MIIM field reg)
@@ -2698,7 +2709,7 @@ static int sxg_mcast_add_list(p_adapter_t adapter, char *address)
  * we must then transpose the value and return bits 30-23.
  *
  */
-static u32 sxg_crc_table[256]; /* Table of CRC's for all possible byte values */
+static u32 sxg_crc_table[256];	/* Table of CRC's for all possible byte values */
 static u32 sxg_crc_init;	/* Is table initialized                        */
 
 /*
@@ -2706,7 +2717,7 @@ static u32 sxg_crc_init;	/* Is table initialized                        */
  */
 static void sxg_mcast_init_crc32(void)
 {
-	u32 c;		/*  CRC shit reg                 */
+	u32 c;			/*  CRC shit reg                 */
 	u32 e = 0;		/*  Poly X-or pattern            */
 	int i;			/*  counter                      */
 	int k;			/*  byte being shifted into crc  */
@@ -2783,7 +2794,7 @@ static void sxg_mcast_set_list(p_net_device dev)
 	ASSERT(adapter);
 
 	for (i = 1; i <= mc_count; i++) {
-		addresses = (char *) & mc_list->dmi_addr;
+		addresses = (char *)&mc_list->dmi_addr;
 		if (mc_list->dmi_addrlen == 6) {
 			status = sxg_mcast_add_list(adapter, addresses);
 			if (status != STATUS_SUCCESS) {
@@ -2833,7 +2844,7 @@ static void sxg_mcast_set_mask(p_adapter_t adapter)
 	PSXG_UCODE_REGS sxg_regs = adapter->UcodeRegs;
 
 	DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __FUNCTION__,
-		  adapter->netdev->name, (unsigned int) adapter->MacFilter,
+		  adapter->netdev->name, (unsigned int)adapter->MacFilter,
 		  adapter->MulticastMask);
 
 	if (adapter->MacFilter & (MAC_ALLMCAST | MAC_PROMISC)) {
@@ -2857,12 +2868,10 @@ static void sxg_mcast_set_mask(p_adapter_t adapter)
 			   ((adapter->MulticastMask >> 32) & 0xFFFFFFFF)));
 
 		WRITE_REG(sxg_regs->McastLow,
-			  (u32) (adapter->MulticastMask & 0xFFFFFFFF),
-			  FLUSH);
+			  (u32) (adapter->MulticastMask & 0xFFFFFFFF), FLUSH);
 		WRITE_REG(sxg_regs->McastHigh,
 			  (u32) ((adapter->
-				      MulticastMask >> 32) & 0xFFFFFFFF),
-			  FLUSH);
+				  MulticastMask >> 32) & 0xFFFFFFFF), FLUSH);
 	}
 }
 
@@ -2991,9 +3000,9 @@ void SxgFreeResources(p_adapter_t adapter)
  *	None.
  */
 static void sxg_allocate_complete(p_adapter_t adapter,
-		      void *VirtualAddress,
-		      dma_addr_t PhysicalAddress,
-		      u32 Length, SXG_BUFFER_TYPE Context)
+				  void *VirtualAddress,
+				  dma_addr_t PhysicalAddress,
+				  u32 Length, SXG_BUFFER_TYPE Context)
 {
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocCmp",
 		  adapter, VirtualAddress, Length, Context);
@@ -3008,8 +3017,7 @@ static void sxg_allocate_complete(p_adapter_t adapter,
 					       PhysicalAddress, Length);
 		break;
 	case SXG_BUFFER_TYPE_SGL:
-		sxg_allocate_sgl_buffer_complete(adapter,
-						 (PSXG_SCATTER_GATHER)
+		sxg_allocate_sgl_buffer_complete(adapter, (PSXG_SCATTER_GATHER)
 						 VirtualAddress,
 						 PhysicalAddress, Length);
 		break;
@@ -3031,10 +3039,10 @@ static void sxg_allocate_complete(p_adapter_t adapter,
  *	int
  */
 static int sxg_allocate_buffer_memory(p_adapter_t adapter,
-			   u32 Size, SXG_BUFFER_TYPE BufferType)
+				      u32 Size, SXG_BUFFER_TYPE BufferType)
 {
 	int status;
-	void * Buffer;
+	void *Buffer;
 	dma_addr_t pBuffer;
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocMem",
@@ -3083,8 +3091,9 @@ static int sxg_allocate_buffer_memory(p_adapter_t adapter,
  *
  */
 static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
-			       void * RcvBlock,
-			       dma_addr_t PhysicalAddress, u32 Length)
+					   void *RcvBlock,
+					   dma_addr_t PhysicalAddress,
+					   u32 Length)
 {
 	u32 i;
 	u32 BufferSize = adapter->ReceiveBufferSize;
@@ -3160,9 +3169,10 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 	}
 
 	// Locate the descriptor block and put it on a separate free queue
-	RcvDescriptorBlock = (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock +
-							  SXG_RCV_DESCRIPTOR_BLOCK_OFFSET
-							  (BufferSize));
+	RcvDescriptorBlock =
+	    (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock +
+					 SXG_RCV_DESCRIPTOR_BLOCK_OFFSET
+					 (BufferSize));
 	RcvDescriptorBlockHdr =
 	    (PSXG_RCV_DESCRIPTOR_BLOCK_HDR) ((unsigned char *)RcvBlock +
 					     SXG_RCV_DESCRIPTOR_BLOCK_HDR_OFFSET
@@ -3210,8 +3220,9 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
  *
  */
 static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter,
-				 PSXG_SCATTER_GATHER SxgSgl,
-				 dma_addr_t PhysicalAddress, u32 Length)
+					     PSXG_SCATTER_GATHER SxgSgl,
+					     dma_addr_t PhysicalAddress,
+					     u32 Length)
 {
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlSglCmp",
 		  adapter, SxgSgl, Length, 0);
@@ -3228,7 +3239,8 @@ static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter,
 		  adapter, SxgSgl, Length, 0);
 }
 
-static unsigned char temp_mac_address[6] = { 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 };
+static unsigned char temp_mac_address[6] =
+    { 0x00, 0xab, 0xcd, 0xef, 0x12, 0x69 };
 
 static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
 {
@@ -3255,7 +3267,7 @@ static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
 
 }
 
-static int sxg_mac_set_address(p_net_device dev, void * ptr)
+static int sxg_mac_set_address(p_net_device dev, void *ptr)
 {
 #if XXXTODO
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
@@ -3400,7 +3412,8 @@ static int sxg_initialize_adapter(p_adapter_t adapter)
  *	status
  */
 static int sxg_fill_descriptor_block(p_adapter_t adapter,
-			  PSXG_RCV_DESCRIPTOR_BLOCK_HDR RcvDescriptorBlockHdr)
+				     PSXG_RCV_DESCRIPTOR_BLOCK_HDR
+				     RcvDescriptorBlockHdr)
 {
 	u32 i;
 	PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo;
@@ -3436,7 +3449,8 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter,
 		ASSERT(RcvDataBufferHdr);
 		SXG_REINIATIALIZE_PACKET(RcvDataBufferHdr->SxgDumbRcvPacket);
 		RcvDataBufferHdr->State = SXG_BUFFER_ONCARD;
-		RcvDescriptorBlock->Descriptors[i].VirtualAddress = (void *)RcvDataBufferHdr;
+		RcvDescriptorBlock->Descriptors[i].VirtualAddress =
+		    (void *)RcvDataBufferHdr;
 		RcvDescriptorBlock->Descriptors[i].PhysicalAddress =
 		    RcvDataBufferHdr->PhysicalAddress;
 	}
@@ -3497,7 +3511,9 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter)
 		RcvDescriptorBlockHdr = NULL;
 		if (adapter->FreeRcvBlockCount) {
 			_ple = RemoveHeadList(&adapter->FreeRcvBlocks);
-			RcvDescriptorBlockHdr = container_of(_ple, SXG_RCV_DESCRIPTOR_BLOCK_HDR, FreeList);
+			RcvDescriptorBlockHdr =
+			    container_of(_ple, SXG_RCV_DESCRIPTOR_BLOCK_HDR,
+					 FreeList);
 			adapter->FreeRcvBlockCount--;
 			RcvDescriptorBlockHdr->State = SXG_BUFFER_BUSY;
 		}
@@ -3533,7 +3549,8 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter)
  * Return
  *	None
  */
-static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char Index)
+static void sxg_complete_descriptor_blocks(p_adapter_t adapter,
+					   unsigned char Index)
 {
 	PSXG_RCV_RING RingZero = &adapter->RcvRings[0];
 	PSXG_RING_INFO RcvRingInfo = &adapter->RcvRingZeroInfo;
@@ -3576,7 +3593,6 @@ static void sxg_complete_descriptor_blocks(p_adapter_t adapter, unsigned char In
 		  adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail);
 }
 
-
 static struct pci_driver sxg_driver = {
 	.name = DRV_NAME,
 	.id_table = sxg_pci_tbl,
-- 
GitLab


From 2767840a5ca73fde62b25e0209aa9269ec4fa7c7 Mon Sep 17 00:00:00 2001
From: Roland Dreier <rolandd@cisco.com>
Date: Fri, 10 Oct 2008 15:58:52 -0700
Subject: [PATCH 0357/2224] IPoIB: Always initialize poll_timer to avoid crash
 on unload

ipoib_ib_dev_stop() does del_timer_sync(&priv->poll_timer), but if a
P_key for an interface is not found, poll_timer is not initialized, so
this leads to a crash or hang.  Fix this by moving where poll_timer is
initialized to ipoib_ib_dev_init(), which is always called.

This fixes <https://bugs.openfabrics.org/show_bug.cgi?id=1172>.

Debugged-by: Yosef Etigin <yosefe@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/ulp/ipoib/ipoib_ib.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 0e748aeeae9..28eb6f03c58 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -685,10 +685,6 @@ int ipoib_ib_dev_open(struct net_device *dev)
 	queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task,
 			   round_jiffies_relative(HZ));
 
-	init_timer(&priv->poll_timer);
-	priv->poll_timer.function = ipoib_ib_tx_timer_func;
-	priv->poll_timer.data = (unsigned long)dev;
-
 	set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags);
 
 	return 0;
@@ -906,6 +902,9 @@ int ipoib_ib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
 		return -ENODEV;
 	}
 
+	setup_timer(&priv->poll_timer, ipoib_ib_tx_timer_func,
+		    (unsigned long) dev);
+
 	if (dev->flags & IFF_UP) {
 		if (ipoib_ib_dev_open(dev)) {
 			ipoib_transport_dev_cleanup(dev);
-- 
GitLab


From cab893d9096a2cfe604fcad84c745def3a31a721 Mon Sep 17 00:00:00 2001
From: Martin Michlmayr <tbm@cyrius.com>
Date: Fri, 17 Oct 2008 15:03:38 -0400
Subject: [PATCH 0358/2224] ext4: Remove an old reference to ext4dev in
 Makefile comment

Remove an old reference to ext4dev.

Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/Makefile b/fs/Makefile
index d0c69f57e5b..2168c902d5c 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -71,7 +71,7 @@ obj-$(CONFIG_DLM)		+= dlm/
 # Do not add any filesystems before this line
 obj-$(CONFIG_REISERFS_FS)	+= reiserfs/
 obj-$(CONFIG_EXT3_FS)		+= ext3/ # Before ext2 so root fs can be ext3
-obj-$(CONFIG_EXT4_FS)		+= ext4/ # Before ext2 so root fs can be ext4dev
+obj-$(CONFIG_EXT4_FS)		+= ext4/ # Before ext2 so root fs can be ext4
 obj-$(CONFIG_JBD)		+= jbd/
 obj-$(CONFIG_JBD2)		+= jbd2/
 obj-$(CONFIG_EXT2_FS)		+= ext2/
-- 
GitLab


From 473dc8eddb049055ef823e000ad968ebd56cdaca Mon Sep 17 00:00:00 2001
From: Manish Katiyar <mkatiyar@gmail.com>
Date: Mon, 13 Oct 2008 09:01:02 -0400
Subject: [PATCH 0359/2224] ext4: Fix Kconfig typo for ext4dev

Looks like there is one more instance where ext4dev should be changed
to ext4 because the module name will be "ext4" unless EXT4DEV_COMPAT
is selected.

Signed-off-by: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/Kconfig b/fs/Kconfig
index 9e9d70c02a0..d0a1174fb51 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -160,7 +160,7 @@ config EXT4_FS
 	  filesystem initially.
 
 	  To compile this file system support as a module, choose M here. The
-	  module will be called ext4dev.
+	  module will be called ext4.
 
 	  If unsure, say N.
 
-- 
GitLab


From 688f05a01983711a4e715b1d6e15a89a89c96a66 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Mon, 13 Oct 2008 12:14:14 -0400
Subject: [PATCH 0360/2224] ext4: Free ext4_prealloc_space using
 kmem_cache_free

We should use kmem_cache_free to free memory allocated
via kmem_cache_alloc

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index b580714f0d8..154f8dec97e 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2568,7 +2568,7 @@ static void ext4_mb_cleanup_pa(struct ext4_group_info *grp)
 		pa = list_entry(cur, struct ext4_prealloc_space, pa_group_list);
 		list_del(&pa->pa_group_list);
 		count++;
-		kfree(pa);
+		kmem_cache_free(ext4_pspace_cachep, pa);
 	}
 	if (count)
 		mb_debug("mballoc: %u PAs left\n", count);
-- 
GitLab


From c2774d84fd6cab2bfa2a2fae0b1ca8d8ebde48a2 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Fri, 10 Oct 2008 20:07:20 -0400
Subject: [PATCH 0361/2224] ext4: Do mballoc init before doing filesystem
 recovery

During filesystem recovery we may be doing a truncate
which expects some of the mballoc data structures to
be initialized. So do ext4_mb_init before recovery.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/ext4/super.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index dea8f13c2fd..4f41107021c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2456,6 +2456,21 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 			"available.\n");
 	}
 
+	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
+		printk(KERN_WARNING "EXT4-fs: Ignoring delalloc option - "
+				"requested data journaling mode\n");
+		clear_opt(sbi->s_mount_opt, DELALLOC);
+	} else if (test_opt(sb, DELALLOC))
+		printk(KERN_INFO "EXT4-fs: delayed allocation enabled\n");
+
+	ext4_ext_init(sb);
+	err = ext4_mb_init(sb, needs_recovery);
+	if (err) {
+		printk(KERN_ERR "EXT4-fs: failed to initalize mballoc (%d)\n",
+		       err);
+		goto failed_mount4;
+	}
+
 	/*
 	 * akpm: core read_super() calls in here with the superblock locked.
 	 * That deadlocks, because orphan cleanup needs to lock the superblock
@@ -2475,21 +2490,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	       test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA ? "ordered":
 	       "writeback");
 
-	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
-		printk(KERN_WARNING "EXT4-fs: Ignoring delalloc option - "
-				"requested data journaling mode\n");
-		clear_opt(sbi->s_mount_opt, DELALLOC);
-	} else if (test_opt(sb, DELALLOC))
-		printk(KERN_INFO "EXT4-fs: delayed allocation enabled\n");
-
-	ext4_ext_init(sb);
-	err = ext4_mb_init(sb, needs_recovery);
-	if (err) {
-		printk(KERN_ERR "EXT4-fs: failed to initalize mballoc (%d)\n",
-		       err);
-		goto failed_mount4;
-	}
-
 	lock_kernel();
 	return 0;
 
-- 
GitLab


From c894058d66637c7720569fbe12957f4de64d9991 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 10:14:27 -0400
Subject: [PATCH 0362/2224] ext4: Use an rbtree for tracking blocks freed
 during transaction.

With this patch we track the block freed during a transaction using
red-black tree.  We also make sure contiguous blocks freed are collected
in one node in the tree.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 184 +++++++++++++++++++++++++++++-----------------
 fs/ext4/mballoc.h |  26 ++++---
 2 files changed, 133 insertions(+), 77 deletions(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 154f8dec97e..bd9b011941a 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2300,6 +2300,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
 	}
 
 	INIT_LIST_HEAD(&meta_group_info[i]->bb_prealloc_list);
+	meta_group_info[i]->bb_free_root.rb_node = NULL;;
 
 #ifdef DOUBLE_CHECK
 	{
@@ -2647,13 +2648,11 @@ int ext4_mb_release(struct super_block *sb)
 static noinline_for_stack void
 ext4_mb_free_committed_blocks(struct super_block *sb)
 {
-	struct ext4_sb_info *sbi = EXT4_SB(sb);
-	int err;
-	int i;
-	int count = 0;
-	int count2 = 0;
-	struct ext4_free_metadata *md;
 	struct ext4_buddy e4b;
+	struct ext4_group_info *db;
+	struct ext4_sb_info *sbi = EXT4_SB(sb);
+	int err, count = 0, count2 = 0;
+	struct ext4_free_data *entry;
 
 	if (list_empty(&sbi->s_committed_transaction))
 		return;
@@ -2661,44 +2660,46 @@ ext4_mb_free_committed_blocks(struct super_block *sb)
 	/* there is committed blocks to be freed yet */
 	do {
 		/* get next array of blocks */
-		md = NULL;
+		entry = NULL;
 		spin_lock(&sbi->s_md_lock);
 		if (!list_empty(&sbi->s_committed_transaction)) {
-			md = list_entry(sbi->s_committed_transaction.next,
-					struct ext4_free_metadata, list);
-			list_del(&md->list);
+			entry = list_entry(sbi->s_committed_transaction.next,
+					struct ext4_free_data, list);
+			list_del(&entry->list);
 		}
 		spin_unlock(&sbi->s_md_lock);
 
-		if (md == NULL)
+		if (entry == NULL)
 			break;
 
 		mb_debug("gonna free %u blocks in group %lu (0x%p):",
-				md->num, md->group, md);
+				entry->count, entry->group, entry);
 
-		err = ext4_mb_load_buddy(sb, md->group, &e4b);
+		err = ext4_mb_load_buddy(sb, entry->group, &e4b);
 		/* we expect to find existing buddy because it's pinned */
 		BUG_ON(err != 0);
 
+		db = e4b.bd_info;
 		/* there are blocks to put in buddy to make them really free */
-		count += md->num;
+		count += entry->count;
 		count2++;
-		ext4_lock_group(sb, md->group);
-		for (i = 0; i < md->num; i++) {
-			mb_debug(" %u", md->blocks[i]);
-			mb_free_blocks(NULL, &e4b, md->blocks[i], 1);
+		ext4_lock_group(sb, entry->group);
+		/* Take it out of per group rb tree */
+		rb_erase(&entry->node, &(db->bb_free_root));
+		mb_free_blocks(NULL, &e4b, entry->start_blk, entry->count);
+
+		if (!db->bb_free_root.rb_node) {
+			/* No more items in the per group rb tree
+			 * balance refcounts from ext4_mb_free_metadata()
+			 */
+			page_cache_release(e4b.bd_buddy_page);
+			page_cache_release(e4b.bd_bitmap_page);
 		}
-		mb_debug("\n");
-		ext4_unlock_group(sb, md->group);
-
-		/* balance refcounts from ext4_mb_free_metadata() */
-		page_cache_release(e4b.bd_buddy_page);
-		page_cache_release(e4b.bd_bitmap_page);
+		ext4_unlock_group(sb, entry->group);
 
-		kfree(md);
+		kmem_cache_free(ext4_free_ext_cachep, entry);
 		ext4_mb_release_desc(&e4b);
-
-	} while (md);
+	} while (1);
 
 	mb_debug("freed %u blocks in %u structures\n", count, count2);
 }
@@ -2771,6 +2772,16 @@ int __init init_ext4_mballoc(void)
 		kmem_cache_destroy(ext4_pspace_cachep);
 		return -ENOMEM;
 	}
+
+	ext4_free_ext_cachep =
+		kmem_cache_create("ext4_free_block_extents",
+				     sizeof(struct ext4_free_data),
+				     0, SLAB_RECLAIM_ACCOUNT, NULL);
+	if (ext4_free_ext_cachep == NULL) {
+		kmem_cache_destroy(ext4_pspace_cachep);
+		kmem_cache_destroy(ext4_ac_cachep);
+		return -ENOMEM;
+	}
 	return 0;
 }
 
@@ -2779,6 +2790,7 @@ void exit_ext4_mballoc(void)
 	/* XXX: synchronize_rcu(); */
 	kmem_cache_destroy(ext4_pspace_cachep);
 	kmem_cache_destroy(ext4_ac_cachep);
+	kmem_cache_destroy(ext4_free_ext_cachep);
 }
 
 
@@ -4415,6 +4427,21 @@ static void ext4_mb_poll_new_transaction(struct super_block *sb,
 	ext4_mb_free_committed_blocks(sb);
 }
 
+/*
+ * We can merge two free data extents only if the physical blocks
+ * are contiguous, AND the extents were freed by the same transaction,
+ * AND the blocks are associated with the same group.
+ */
+static int can_merge(struct ext4_free_data *entry1,
+			struct ext4_free_data *entry2)
+{
+	if ((entry1->t_tid == entry2->t_tid) &&
+	    (entry1->group == entry2->group) &&
+	    ((entry1->start_blk + entry1->count) == entry2->start_blk))
+		return 1;
+	return 0;
+}
+
 static noinline_for_stack int
 ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
 			  ext4_group_t group, ext4_grpblk_t block, int count)
@@ -4422,57 +4449,80 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
 	struct ext4_group_info *db = e4b->bd_info;
 	struct super_block *sb = e4b->bd_sb;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
-	struct ext4_free_metadata *md;
-	int i;
+	struct ext4_free_data *entry, *new_entry;
+	struct rb_node **n = &db->bb_free_root.rb_node, *node;
+	struct rb_node *parent = NULL, *new_node;
+
 
 	BUG_ON(e4b->bd_bitmap_page == NULL);
 	BUG_ON(e4b->bd_buddy_page == NULL);
 
+	new_entry  = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS);
+	new_entry->start_blk = block;
+	new_entry->group  = group;
+	new_entry->count = count;
+	new_entry->t_tid = handle->h_transaction->t_tid;
+	new_node = &new_entry->node;
+
 	ext4_lock_group(sb, group);
-	for (i = 0; i < count; i++) {
-		md = db->bb_md_cur;
-		if (md && db->bb_tid != handle->h_transaction->t_tid) {
-			db->bb_md_cur = NULL;
-			md = NULL;
+	if (!*n) {
+		/* first free block exent. We need to
+		   protect buddy cache from being freed,
+		 * otherwise we'll refresh it from
+		 * on-disk bitmap and lose not-yet-available
+		 * blocks */
+		page_cache_get(e4b->bd_buddy_page);
+		page_cache_get(e4b->bd_bitmap_page);
+	}
+	while (*n) {
+		parent = *n;
+		entry = rb_entry(parent, struct ext4_free_data, node);
+		if (block < entry->start_blk)
+			n = &(*n)->rb_left;
+		else if (block >= (entry->start_blk + entry->count))
+			n = &(*n)->rb_right;
+		else {
+			ext4_error(sb, __func__,
+			    "Double free of blocks %d (%d %d)\n",
+			    block, entry->start_blk, entry->count);
+			return 0;
 		}
+	}
 
-		if (md == NULL) {
-			ext4_unlock_group(sb, group);
-			md = kmalloc(sizeof(*md), GFP_NOFS);
-			if (md == NULL)
-				return -ENOMEM;
-			md->num = 0;
-			md->group = group;
-
-			ext4_lock_group(sb, group);
-			if (db->bb_md_cur == NULL) {
-				spin_lock(&sbi->s_md_lock);
-				list_add(&md->list, &sbi->s_active_transaction);
-				spin_unlock(&sbi->s_md_lock);
-				/* protect buddy cache from being freed,
-				 * otherwise we'll refresh it from
-				 * on-disk bitmap and lose not-yet-available
-				 * blocks */
-				page_cache_get(e4b->bd_buddy_page);
-				page_cache_get(e4b->bd_bitmap_page);
-				db->bb_md_cur = md;
-				db->bb_tid = handle->h_transaction->t_tid;
-				mb_debug("new md 0x%p for group %lu\n",
-						md, md->group);
-			} else {
-				kfree(md);
-				md = db->bb_md_cur;
-			}
+	rb_link_node(new_node, parent, n);
+	rb_insert_color(new_node, &db->bb_free_root);
+
+	/* Now try to see the extent can be merged to left and right */
+	node = rb_prev(new_node);
+	if (node) {
+		entry = rb_entry(node, struct ext4_free_data, node);
+		if (can_merge(entry, new_entry)) {
+			new_entry->start_blk = entry->start_blk;
+			new_entry->count += entry->count;
+			rb_erase(node, &(db->bb_free_root));
+			spin_lock(&sbi->s_md_lock);
+			list_del(&entry->list);
+			spin_unlock(&sbi->s_md_lock);
+			kmem_cache_free(ext4_free_ext_cachep, entry);
 		}
+	}
 
-		BUG_ON(md->num >= EXT4_BB_MAX_BLOCKS);
-		md->blocks[md->num] = block + i;
-		md->num++;
-		if (md->num == EXT4_BB_MAX_BLOCKS) {
-			/* no more space, put full container on a sb's list */
-			db->bb_md_cur = NULL;
+	node = rb_next(new_node);
+	if (node) {
+		entry = rb_entry(node, struct ext4_free_data, node);
+		if (can_merge(new_entry, entry)) {
+			new_entry->count += entry->count;
+			rb_erase(node, &(db->bb_free_root));
+			spin_lock(&sbi->s_md_lock);
+			list_del(&entry->list);
+			spin_unlock(&sbi->s_md_lock);
+			kmem_cache_free(ext4_free_ext_cachep, entry);
 		}
 	}
+	/* Add the extent to active_transaction list */
+	spin_lock(&sbi->s_md_lock);
+	list_add(&new_entry->list, &sbi->s_active_transaction);
+	spin_unlock(&sbi->s_md_lock);
 	ext4_unlock_group(sb, group);
 	return 0;
 }
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index b3b4828f8b8..9e815c4e37d 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -98,23 +98,29 @@
 
 static struct kmem_cache *ext4_pspace_cachep;
 static struct kmem_cache *ext4_ac_cachep;
+static struct kmem_cache *ext4_free_ext_cachep;
 
-#ifdef EXT4_BB_MAX_BLOCKS
-#undef EXT4_BB_MAX_BLOCKS
-#endif
-#define EXT4_BB_MAX_BLOCKS	30
+struct ext4_free_data {
+	/* this links the free block information from group_info */
+	struct rb_node node;
 
-struct ext4_free_metadata {
-	ext4_group_t group;
-	unsigned short num;
-	ext4_grpblk_t  blocks[EXT4_BB_MAX_BLOCKS];
+	/* this links the free block information from ext4_sb_info */
 	struct list_head list;
+
+	/* group which free block extent belongs */
+	ext4_group_t group;
+
+	/* free block extent */
+	ext4_grpblk_t start_blk;
+	ext4_grpblk_t count;
+
+	/* transaction which freed this extent */
+	tid_t	t_tid;
 };
 
 struct ext4_group_info {
 	unsigned long	bb_state;
-	unsigned long	bb_tid;
-	struct ext4_free_metadata *bb_md_cur;
+	struct rb_root  bb_free_root;
 	unsigned short	bb_first_free;
 	unsigned short	bb_free;
 	unsigned short	bb_fragments;
-- 
GitLab


From a1aebc1e2da9a7bee4ff8cce510b08f469d1929e Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Fri, 10 Oct 2008 20:13:31 -0400
Subject: [PATCH 0363/2224] ext4: Don't reuse released data blocks until
 transaction commits

We need to make sure we don't reuse the data blocks released
during the transaction untill the transaction commits. We force
this mode only for ordered and journalled mode. Writeback mode
already don't provided data consistency.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/ext4/balloc.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index bd2ece22882..b9821be709b 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -568,8 +568,16 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
 
 	/* this isn't the right place to decide whether block is metadata
 	 * inode.c/extents.c knows better, but for safety ... */
-	if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode) ||
-			ext4_should_journal_data(inode))
+	if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))
+		metadata = 1;
+
+	/* We need to make sure we don't reuse
+	 * block released untill the transaction commit.
+	 * writeback mode have weak data consistency so
+	 * don't force data as metadata when freeing block
+	 * for writeback mode.
+	 */
+	if (metadata == 0 && !ext4_should_writeback_data(inode))
 		metadata = 1;
 
 	sb = inode->i_sb;
-- 
GitLab


From 6a0b93bae96f292b6c091cce5abfb9a644e649e9 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:16 -0600
Subject: [PATCH 0364/2224] PNP: fix debug formatting (cosmetic)

This patch just fixes indentation of a couple debug messages.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/pnp/resource.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 4cfe3a1efdf..e0206da6851 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -294,7 +294,7 @@ static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci,
 	u8 progif;
 
 	if (pci->irq == irq) {
-		dev_dbg(&pnp->dev, "device %s using irq %d\n",
+		dev_dbg(&pnp->dev, "  device %s using irq %d\n",
 			pci_name(pci), irq);
 		return 1;
 	}
@@ -316,7 +316,7 @@ static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci,
 		if ((progif & 0x5) != 0x5)
 			if (pci_get_legacy_ide_irq(pci, 0) == irq ||
 			    pci_get_legacy_ide_irq(pci, 1) == irq) {
-				dev_dbg(&pnp->dev, "legacy IDE device %s "
+				dev_dbg(&pnp->dev, "  legacy IDE device %s "
 					"using irq %d\n", pci_name(pci), irq);
 				return 1;
 			}
-- 
GitLab


From 958a1fdd3904b009c926cb840be48ce3c5f2389e Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:21 -0600
Subject: [PATCH 0365/2224] PNPACPI: use dev_printk when possible

Use dev_printk() when possible for more informative error messages.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/pnp/pnpacpi/rsparser.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 95015cbfd33..0461d4b82c4 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -132,7 +132,8 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
 	pnp_add_irq_resource(dev, irq, flags);
 }
 
-static int dma_flags(int type, int bus_master, int transfer)
+static int dma_flags(struct pnp_dev *dev, int type, int bus_master,
+		     int transfer)
 {
 	int flags = 0;
 
@@ -154,7 +155,7 @@ static int dma_flags(int type, int bus_master, int transfer)
 	default:
 		/* Set a default value ? */
 		flags |= IORESOURCE_DMA_COMPATIBLE;
-		pnp_err("Invalid DMA type");
+		dev_err(&dev->dev, "invalid DMA type %d\n", type);
 	}
 	switch (transfer) {
 	case ACPI_TRANSFER_8:
@@ -169,7 +170,7 @@ static int dma_flags(int type, int bus_master, int transfer)
 	default:
 		/* Set a default value ? */
 		flags |= IORESOURCE_DMA_8AND16BIT;
-		pnp_err("Invalid DMA transfer type");
+		dev_err(&dev->dev, "invalid DMA transfer type %d\n", transfer);
 	}
 
 	return flags;
@@ -336,7 +337,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
 	case ACPI_RESOURCE_TYPE_DMA:
 		dma = &res->data.dma;
 		if (dma->channel_count > 0 && dma->channels[0] != (u8) -1)
-			flags = dma_flags(dma->type, dma->bus_master,
+			flags = dma_flags(dev, dma->type, dma->bus_master,
 					  dma->transfer);
 		else
 			flags = IORESOURCE_DISABLED;
@@ -477,7 +478,7 @@ static __init void pnpacpi_parse_dma_option(struct pnp_dev *dev,
 	for (i = 0; i < p->channel_count; i++)
 		map |= 1 << p->channels[i];
 
-	flags = dma_flags(p->type, p->bus_master, p->transfer);
+	flags = dma_flags(dev, p->type, p->bus_master, p->transfer);
 	pnp_register_dma_resource(dev, option_flags, map, flags);
 }
 
@@ -608,8 +609,8 @@ static __init void pnpacpi_parse_address_option(struct pnp_dev *dev,
 	unsigned char flags = 0;
 
 	status = acpi_resource_to_address64(r, p);
-	if (!ACPI_SUCCESS(status)) {
-		pnp_warn("PnPACPI: failed to convert resource type %d",
+	if (ACPI_FAILURE(status)) {
+		dev_warn(&dev->dev, "can't convert resource type %d\n",
 			 r->type);
 		return;
 	}
-- 
GitLab


From c865d2f6eb160c15b74245b4891c8e945d67d96c Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:26 -0600
Subject: [PATCH 0366/2224] PNP: convert the last few pnp_info() uses to
 printk()

There are only a few remaining uses of pnp_info(), so I just
converted them to printk and removed the pnp_err(), pnp_info(),
pnp_warn(), and pnp_dbg() wrappers.

I also removed a couple debug messages that don't seem useful any
more ("driver registered", "driver unregistered", "driver attached").

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/pnp/driver.c       |  4 ----
 drivers/pnp/pnpacpi/core.c |  6 +++---
 include/linux/pnp.h        | 10 ----------
 3 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index d3f869ee1d9..54673a4f590 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -114,7 +114,6 @@ static int pnp_device_probe(struct device *dev)
 	} else
 		goto fail;
 
-	dev_dbg(dev, "driver attached\n");
 	return error;
 
 fail:
@@ -210,8 +209,6 @@ struct bus_type pnp_bus_type = {
 
 int pnp_register_driver(struct pnp_driver *drv)
 {
-	pnp_dbg("the driver '%s' has been registered", drv->name);
-
 	drv->driver.name = drv->name;
 	drv->driver.bus = &pnp_bus_type;
 
@@ -221,7 +218,6 @@ int pnp_register_driver(struct pnp_driver *drv)
 void pnp_unregister_driver(struct pnp_driver *drv)
 {
 	driver_unregister(&drv->driver);
-	pnp_dbg("the driver '%s' has been unregistered", drv->name);
 }
 
 /**
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index c1b9ea34977..67c651bcaf7 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -255,14 +255,14 @@ int pnpacpi_disabled __initdata;
 static int __init pnpacpi_init(void)
 {
 	if (acpi_disabled || pnpacpi_disabled) {
-		pnp_info("PnP ACPI: disabled");
+		printk(KERN_INFO "pnp: PnP ACPI: disabled\n");
 		return 0;
 	}
-	pnp_info("PnP ACPI init");
+	printk(KERN_INFO "pnp: PnP ACPI init\n");
 	pnp_register_protocol(&pnpacpi_protocol);
 	register_acpi_bus_type(&acpi_pnp_bus);
 	acpi_get_devices(NULL, pnpacpi_add_device_handler, NULL, NULL);
-	pnp_info("PnP ACPI: found %d devices", num);
+	printk(KERN_INFO "pnp: PnP ACPI: found %d devices\n", num);
 	unregister_acpi_bus_type(&acpi_pnp_bus);
 	pnp_platform_devices = 1;
 	return 0;
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index be764e514e3..05daecec16c 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -483,14 +483,4 @@ static inline void pnp_unregister_driver(struct pnp_driver *drv) { }
 
 #endif /* CONFIG_PNP */
 
-#define pnp_err(format, arg...) printk(KERN_ERR "pnp: " format "\n" , ## arg)
-#define pnp_info(format, arg...) printk(KERN_INFO "pnp: " format "\n" , ## arg)
-#define pnp_warn(format, arg...) printk(KERN_WARNING "pnp: " format "\n" , ## arg)
-
-#ifdef CONFIG_PNP_DEBUG
-#define pnp_dbg(format, arg...) printk(KERN_DEBUG "pnp: " format "\n" , ## arg)
-#else
-#define pnp_dbg(format, arg...) do {} while (0)
-#endif
-
 #endif /* _LINUX_PNP_H */
-- 
GitLab


From 668b21de141edcba3fb13a4f810641eea4740fd7 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:31 -0600
Subject: [PATCH 0367/2224] PNP: use new vsprintf symbolic function pointer
 format

Use the '%pF' format to get rid of an "#ifdef DEBUG".

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/pnp/quirks.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index 0bdf9b8a5e5..414bb094572 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -337,10 +337,8 @@ void pnp_fixup_device(struct pnp_dev *dev)
 	for (f = pnp_fixups; *f->id; f++) {
 		if (!compare_pnp_id(dev->id, f->id))
 			continue;
-#ifdef DEBUG
-		dev_dbg(&dev->dev, "%s: calling ", f->id);
-		print_fn_descriptor_symbol("%s\n", f->quirk_function);
-#endif
+		dev_dbg(&dev->dev, "%s: calling %pF\n", f->id,
+			f->quirk_function);
 		f->quirk_function(dev);
 	}
 }
-- 
GitLab


From 2663f60d434139298835af690f4891cec5c1e501 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:36 -0600
Subject: [PATCH 0368/2224] PNP: remove some uses of DEBUG ifdef

Use scnprintf() to build up a buffer of PNP IDs to print.  This
makes the printk atomic and helps get rid of an #ifdef.

Also remove an "#ifdef DEBUG" from some debug functions.  The
functions only produce debug output, so it's OK to run the
function and just have the output be dropped at the end.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/pnp/core.c    | 18 ++++++++----------
 drivers/pnp/support.c |  4 ----
 2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index a411582bcd7..7cb1ffc14d4 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -185,6 +185,9 @@ int __pnp_add_device(struct pnp_dev *dev)
 int pnp_add_device(struct pnp_dev *dev)
 {
 	int ret;
+	char buf[128];
+	int len = 0;
+	struct pnp_id *id;
 
 	if (dev->card)
 		return -EINVAL;
@@ -193,17 +196,12 @@ int pnp_add_device(struct pnp_dev *dev)
 	if (ret)
 		return ret;
 
-#ifdef CONFIG_PNP_DEBUG
-	{
-		struct pnp_id *id;
+	buf[0] = '\0';
+	for (id = dev->id; id; id = id->next)
+		len += scnprintf(buf + len, sizeof(buf) - len, " %s", id->id);
 
-		dev_printk(KERN_DEBUG, &dev->dev, "%s device, IDs",
-			dev->protocol->name);
-		for (id = dev->id; id; id = id->next)
-			printk(" %s", id->id);
-		printk(" (%s)\n", dev->active ? "active" : "disabled");
-	}
-#endif
+	dev_dbg(&dev->dev, "%s device, IDs%s (%s)\n",
+		dev->protocol->name, buf, dev->active ? "active" : "disabled");
 	return 0;
 }
 
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index b42df162071..714918655e0 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -75,7 +75,6 @@ char *pnp_resource_type_name(struct resource *res)
 
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
 {
-#ifdef DEBUG
 	char buf[128];
 	int len;
 	struct pnp_resource *pnp_res;
@@ -118,7 +117,6 @@ void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
 		}
 		dev_dbg(&dev->dev, "%s\n", buf);
 	}
-#endif
 }
 
 char *pnp_option_priority_name(struct pnp_option *option)
@@ -136,7 +134,6 @@ char *pnp_option_priority_name(struct pnp_option *option)
 
 void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option)
 {
-#ifdef DEBUG
 	char buf[128];
 	int len = 0, i;
 	struct pnp_port *port;
@@ -209,5 +206,4 @@ void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option)
 		break;
 	}
 	dev_dbg(&dev->dev, "%s\n", buf);
-#endif
 }
-- 
GitLab


From 97ef062bbe08f46903f29ecdf432be302c977f3b Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:41 -0600
Subject: [PATCH 0369/2224] PNP: add CONFIG_PNP_DEBUG_MESSAGES and pnp_dbg()

This adds the core function pnp_dbg() and a new config option to
enable it.

The PNP core debugging messages can be enabled at boot-time with the
"pnp.debug" kernel parameter.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/kernel-parameters.txt |  4 ++++
 drivers/pnp/Kconfig                 | 14 ++++++++++++++
 drivers/pnp/base.h                  | 10 ++++++++++
 drivers/pnp/core.c                  | 11 +++++++++++
 4 files changed, 39 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1150444a21a..7164d4e4136 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1660,6 +1660,10 @@ and is between 256 and 4096 characters. It is defined in the file
 			Override pmtimer IOPort with a hex value.
 			e.g. pmtmr=0x508
 
+	pnp.debug	[PNP]
+			Enable PNP debug messages.  This depends on the
+			CONFIG_PNP_DEBUG_MESSAGES option.
+
 	pnpacpi=	[ACPI]
 			{ off }
 
diff --git a/drivers/pnp/Kconfig b/drivers/pnp/Kconfig
index 821933f9aa5..8a3237f9f2a 100644
--- a/drivers/pnp/Kconfig
+++ b/drivers/pnp/Kconfig
@@ -20,6 +20,20 @@ menuconfig PNP
 
 	  If unsure, say Y.
 
+config PNP_DEBUG_MESSAGES
+	default y
+	bool "PNP debugging messages"
+	depends on PNP
+	help
+	  Say Y here if you want the PNP layer to be able to produce debugging
+	  messages if needed.  The messages can be enabled at boot-time with
+	  the pnp.debug kernel parameter.
+
+	  This option allows you to save a bit of space if you do not want
+	  the messages to even be built into the kernel.
+
+	  If you have any doubts about this, say Y here.
+
 if PNP
 
 config PNP_DEBUG
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 9fd7bb9b7dc..5e4e82c8265 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -166,3 +166,13 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
 struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
 					  resource_size_t start,
 					  resource_size_t end, int flags);
+
+extern int pnp_debug;
+
+#if defined(CONFIG_PNP_DEBUG_MESSAGES)
+#define pnp_dbg(dev, format, arg...)					\
+	({ if (pnp_debug) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; })
+#else
+#define pnp_dbg(dev, format, arg...)					\
+	({ if (0) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; })
+#endif
diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index 7cb1ffc14d4..61291b5bfe1 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -221,3 +221,14 @@ static int __init pnp_init(void)
 }
 
 subsys_initcall(pnp_init);
+
+int pnp_debug;
+
+#if defined(CONFIG_PNP_DEBUG_MESSAGES)
+static int __init pnp_debug_setup(char *__unused)
+{
+	pnp_debug = 1;
+	return 1;
+}
+__setup("pnp.debug", pnp_debug_setup);
+#endif
-- 
GitLab


From 2f53432c2aedbe79020e44525eb069d9138a01dd Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:47 -0600
Subject: [PATCH 0370/2224] PNP: convert to using pnp_dbg()

pnp_dbg() is equivalent to dev_dbg() except that we can turn it
on at boot-time with the "pnp.debug" kernel parameter, so we don't
have to build a new kernel image.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/pnp/core.c             |  2 +-
 drivers/pnp/isapnp/core.c      | 12 ++++++------
 drivers/pnp/manager.c          | 34 +++++++++++++++++-----------------
 drivers/pnp/pnpacpi/core.c     |  4 ++--
 drivers/pnp/pnpacpi/rsparser.c | 28 ++++++++++++++--------------
 drivers/pnp/pnpbios/core.c     |  4 ++--
 drivers/pnp/pnpbios/rsparser.c | 18 +++++++++---------
 drivers/pnp/quirks.c           |  2 +-
 drivers/pnp/resource.c         | 12 ++++++------
 drivers/pnp/support.c          | 10 +++++-----
 10 files changed, 63 insertions(+), 63 deletions(-)

diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c
index 61291b5bfe1..521561509a7 100644
--- a/drivers/pnp/core.c
+++ b/drivers/pnp/core.c
@@ -200,7 +200,7 @@ int pnp_add_device(struct pnp_dev *dev)
 	for (id = dev->id; id; id = id->next)
 		len += scnprintf(buf + len, sizeof(buf) - len, " %s", id->id);
 
-	dev_dbg(&dev->dev, "%s device, IDs%s (%s)\n",
+	pnp_dbg(&dev->dev, "%s device, IDs%s (%s)\n",
 		dev->protocol->name, buf, dev->active ? "active" : "disabled");
 	return 0;
 }
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c
index 101a835e875..bd213ffbcd9 100644
--- a/drivers/pnp/isapnp/core.c
+++ b/drivers/pnp/isapnp/core.c
@@ -901,7 +901,7 @@ static int isapnp_get_resources(struct pnp_dev *dev)
 {
 	int i, ret;
 
-	dev_dbg(&dev->dev, "get resources\n");
+	pnp_dbg(&dev->dev, "get resources\n");
 	pnp_init_resources(dev);
 	isapnp_cfg_begin(dev->card->number, dev->number);
 	dev->active = isapnp_read_byte(ISAPNP_CFG_ACTIVATE);
@@ -939,13 +939,13 @@ static int isapnp_set_resources(struct pnp_dev *dev)
 	struct resource *res;
 	int tmp;
 
-	dev_dbg(&dev->dev, "set resources\n");
+	pnp_dbg(&dev->dev, "set resources\n");
 	isapnp_cfg_begin(dev->card->number, dev->number);
 	dev->active = 1;
 	for (tmp = 0; tmp < ISAPNP_MAX_PORT; tmp++) {
 		res = pnp_get_resource(dev, IORESOURCE_IO, tmp);
 		if (pnp_resource_enabled(res)) {
-			dev_dbg(&dev->dev, "  set io  %d to %#llx\n",
+			pnp_dbg(&dev->dev, "  set io  %d to %#llx\n",
 				tmp, (unsigned long long) res->start);
 			isapnp_write_word(ISAPNP_CFG_PORT + (tmp << 1),
 					  res->start);
@@ -957,14 +957,14 @@ static int isapnp_set_resources(struct pnp_dev *dev)
 			int irq = res->start;
 			if (irq == 2)
 				irq = 9;
-			dev_dbg(&dev->dev, "  set irq %d to %d\n", tmp, irq);
+			pnp_dbg(&dev->dev, "  set irq %d to %d\n", tmp, irq);
 			isapnp_write_byte(ISAPNP_CFG_IRQ + (tmp << 1), irq);
 		}
 	}
 	for (tmp = 0; tmp < ISAPNP_MAX_DMA; tmp++) {
 		res = pnp_get_resource(dev, IORESOURCE_DMA, tmp);
 		if (pnp_resource_enabled(res)) {
-			dev_dbg(&dev->dev, "  set dma %d to %lld\n",
+			pnp_dbg(&dev->dev, "  set dma %d to %lld\n",
 				tmp, (unsigned long long) res->start);
 			isapnp_write_byte(ISAPNP_CFG_DMA + tmp, res->start);
 		}
@@ -972,7 +972,7 @@ static int isapnp_set_resources(struct pnp_dev *dev)
 	for (tmp = 0; tmp < ISAPNP_MAX_MEM; tmp++) {
 		res = pnp_get_resource(dev, IORESOURCE_MEM, tmp);
 		if (pnp_resource_enabled(res)) {
-			dev_dbg(&dev->dev, "  set mem %d to %#llx\n",
+			pnp_dbg(&dev->dev, "  set mem %d to %#llx\n",
 				tmp, (unsigned long long) res->start);
 			isapnp_write_word(ISAPNP_CFG_MEM + (tmp << 3),
 					  (res->start >> 8) & 0xffff);
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index b526eaad3f6..00fd3577b98 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -25,7 +25,7 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
 
 	res = pnp_get_resource(dev, IORESOURCE_IO, idx);
 	if (res) {
-		dev_dbg(&dev->dev, "  io %d already set to %#llx-%#llx "
+		pnp_dbg(&dev->dev, "  io %d already set to %#llx-%#llx "
 			"flags %#lx\n", idx, (unsigned long long) res->start,
 			(unsigned long long) res->end, res->flags);
 		return 0;
@@ -38,7 +38,7 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
 
 	if (!rule->size) {
 		res->flags |= IORESOURCE_DISABLED;
-		dev_dbg(&dev->dev, "  io %d disabled\n", idx);
+		pnp_dbg(&dev->dev, "  io %d disabled\n", idx);
 		goto __add;
 	}
 
@@ -49,7 +49,7 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
 		res->start += rule->align;
 		res->end = res->start + rule->size - 1;
 		if (res->start > rule->max || !rule->align) {
-			dev_dbg(&dev->dev, "  couldn't assign io %d "
+			pnp_dbg(&dev->dev, "  couldn't assign io %d "
 				"(min %#llx max %#llx)\n", idx,
 				(unsigned long long) rule->min,
 				(unsigned long long) rule->max);
@@ -68,7 +68,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
 
 	res = pnp_get_resource(dev, IORESOURCE_MEM, idx);
 	if (res) {
-		dev_dbg(&dev->dev, "  mem %d already set to %#llx-%#llx "
+		pnp_dbg(&dev->dev, "  mem %d already set to %#llx-%#llx "
 			"flags %#lx\n", idx, (unsigned long long) res->start,
 			(unsigned long long) res->end, res->flags);
 		return 0;
@@ -90,7 +90,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
 
 	if (!rule->size) {
 		res->flags |= IORESOURCE_DISABLED;
-		dev_dbg(&dev->dev, "  mem %d disabled\n", idx);
+		pnp_dbg(&dev->dev, "  mem %d disabled\n", idx);
 		goto __add;
 	}
 
@@ -101,7 +101,7 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx)
 		res->start += rule->align;
 		res->end = res->start + rule->size - 1;
 		if (res->start > rule->max || !rule->align) {
-			dev_dbg(&dev->dev, "  couldn't assign mem %d "
+			pnp_dbg(&dev->dev, "  couldn't assign mem %d "
 				"(min %#llx max %#llx)\n", idx,
 				(unsigned long long) rule->min,
 				(unsigned long long) rule->max);
@@ -126,7 +126,7 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
 
 	res = pnp_get_resource(dev, IORESOURCE_IRQ, idx);
 	if (res) {
-		dev_dbg(&dev->dev, "  irq %d already set to %d flags %#lx\n",
+		pnp_dbg(&dev->dev, "  irq %d already set to %d flags %#lx\n",
 			idx, (int) res->start, res->flags);
 		return 0;
 	}
@@ -138,7 +138,7 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
 
 	if (bitmap_empty(rule->map.bits, PNP_IRQ_NR)) {
 		res->flags |= IORESOURCE_DISABLED;
-		dev_dbg(&dev->dev, "  irq %d disabled\n", idx);
+		pnp_dbg(&dev->dev, "  irq %d disabled\n", idx);
 		goto __add;
 	}
 
@@ -160,11 +160,11 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx)
 		res->start = -1;
 		res->end = -1;
 		res->flags |= IORESOURCE_DISABLED;
-		dev_dbg(&dev->dev, "  irq %d disabled (optional)\n", idx);
+		pnp_dbg(&dev->dev, "  irq %d disabled (optional)\n", idx);
 		goto __add;
 	}
 
-	dev_dbg(&dev->dev, "  couldn't assign irq %d\n", idx);
+	pnp_dbg(&dev->dev, "  couldn't assign irq %d\n", idx);
 	return -EBUSY;
 
 __add:
@@ -184,7 +184,7 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
 
 	res = pnp_get_resource(dev, IORESOURCE_DMA, idx);
 	if (res) {
-		dev_dbg(&dev->dev, "  dma %d already set to %d flags %#lx\n",
+		pnp_dbg(&dev->dev, "  dma %d already set to %d flags %#lx\n",
 			idx, (int) res->start, res->flags);
 		return 0;
 	}
@@ -205,7 +205,7 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
 	res->start = res->end = MAX_DMA_CHANNELS;
 #endif
 	res->flags |= IORESOURCE_DISABLED;
-	dev_dbg(&dev->dev, "  disable dma %d\n", idx);
+	pnp_dbg(&dev->dev, "  disable dma %d\n", idx);
 
 __add:
 	pnp_add_dma_resource(dev, res->start, res->flags);
@@ -238,7 +238,7 @@ static int pnp_assign_resources(struct pnp_dev *dev, int set)
 	int nport = 0, nmem = 0, nirq = 0, ndma = 0;
 	int ret = 0;
 
-	dev_dbg(&dev->dev, "pnp_assign_resources, try dependent set %d\n", set);
+	pnp_dbg(&dev->dev, "pnp_assign_resources, try dependent set %d\n", set);
 	mutex_lock(&pnp_res_mutex);
 	pnp_clean_resource_table(dev);
 
@@ -270,7 +270,7 @@ static int pnp_assign_resources(struct pnp_dev *dev, int set)
 
 	mutex_unlock(&pnp_res_mutex);
 	if (ret < 0) {
-		dev_dbg(&dev->dev, "pnp_assign_resources failed (%d)\n", ret);
+		pnp_dbg(&dev->dev, "pnp_assign_resources failed (%d)\n", ret);
 		pnp_clean_resource_table(dev);
 	} else
 		dbg_pnp_show_resources(dev, "pnp_assign_resources succeeded");
@@ -286,7 +286,7 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
 	int i, ret;
 
 	if (!pnp_can_configure(dev)) {
-		dev_dbg(&dev->dev, "configuration not supported\n");
+		pnp_dbg(&dev->dev, "configuration not supported\n");
 		return -ENODEV;
 	}
 
@@ -313,7 +313,7 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
 int pnp_start_dev(struct pnp_dev *dev)
 {
 	if (!pnp_can_write(dev)) {
-		dev_dbg(&dev->dev, "activation not supported\n");
+		pnp_dbg(&dev->dev, "activation not supported\n");
 		return -EINVAL;
 	}
 
@@ -336,7 +336,7 @@ int pnp_start_dev(struct pnp_dev *dev)
 int pnp_stop_dev(struct pnp_dev *dev)
 {
 	if (!pnp_can_disable(dev)) {
-		dev_dbg(&dev->dev, "disabling not supported\n");
+		pnp_dbg(&dev->dev, "disabling not supported\n");
 		return -EINVAL;
 	}
 	if (dev->protocol->disable(dev) < 0) {
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 67c651bcaf7..b57d9d59dca 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -75,7 +75,7 @@ static int __init ispnpidacpi(char *id)
 
 static int pnpacpi_get_resources(struct pnp_dev *dev)
 {
-	dev_dbg(&dev->dev, "get resources\n");
+	pnp_dbg(&dev->dev, "get resources\n");
 	return pnpacpi_parse_allocated_resource(dev);
 }
 
@@ -86,7 +86,7 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
 	int ret;
 	acpi_status status;
 
-	dev_dbg(&dev->dev, "set resources\n");
+	pnp_dbg(&dev->dev, "set resources\n");
 	ret = pnpacpi_build_resource_template(dev, &buffer);
 	if (ret)
 		return ret;
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 0461d4b82c4..adf17856bac 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -450,7 +450,7 @@ int pnpacpi_parse_allocated_resource(struct pnp_dev *dev)
 	acpi_handle handle = dev->data;
 	acpi_status status;
 
-	dev_dbg(&dev->dev, "parse allocated resources\n");
+	pnp_dbg(&dev->dev, "parse allocated resources\n");
 
 	pnp_init_resources(dev);
 
@@ -736,7 +736,7 @@ int __init pnpacpi_parse_resource_option_data(struct pnp_dev *dev)
 	acpi_status status;
 	struct acpipnp_parse_option_s parse_data;
 
-	dev_dbg(&dev->dev, "parse resource options\n");
+	pnp_dbg(&dev->dev, "parse resource options\n");
 
 	parse_data.dev = dev;
 	parse_data.option_flags = 0;
@@ -844,7 +844,7 @@ static void pnpacpi_encode_irq(struct pnp_dev *dev,
 
 	if (!pnp_resource_enabled(p)) {
 		irq->interrupt_count = 0;
-		dev_dbg(&dev->dev, "  encode irq (%s)\n",
+		pnp_dbg(&dev->dev, "  encode irq (%s)\n",
 			p ? "disabled" : "missing");
 		return;
 	}
@@ -856,7 +856,7 @@ static void pnpacpi_encode_irq(struct pnp_dev *dev,
 	irq->interrupt_count = 1;
 	irq->interrupts[0] = p->start;
 
-	dev_dbg(&dev->dev, "  encode irq %d %s %s %s (%d-byte descriptor)\n",
+	pnp_dbg(&dev->dev, "  encode irq %d %s %s %s (%d-byte descriptor)\n",
 		(int) p->start,
 		triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
 		polarity == ACPI_ACTIVE_LOW ? "low" : "high",
@@ -873,7 +873,7 @@ static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
 
 	if (!pnp_resource_enabled(p)) {
 		extended_irq->interrupt_count = 0;
-		dev_dbg(&dev->dev, "  encode extended irq (%s)\n",
+		pnp_dbg(&dev->dev, "  encode extended irq (%s)\n",
 			p ? "disabled" : "missing");
 		return;
 	}
@@ -886,7 +886,7 @@ static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
 	extended_irq->interrupt_count = 1;
 	extended_irq->interrupts[0] = p->start;
 
-	dev_dbg(&dev->dev, "  encode irq %d %s %s %s\n", (int) p->start,
+	pnp_dbg(&dev->dev, "  encode irq %d %s %s %s\n", (int) p->start,
 		triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
 		polarity == ACPI_ACTIVE_LOW ? "low" : "high",
 		extended_irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
@@ -900,7 +900,7 @@ static void pnpacpi_encode_dma(struct pnp_dev *dev,
 
 	if (!pnp_resource_enabled(p)) {
 		dma->channel_count = 0;
-		dev_dbg(&dev->dev, "  encode dma (%s)\n",
+		pnp_dbg(&dev->dev, "  encode dma (%s)\n",
 			p ? "disabled" : "missing");
 		return;
 	}
@@ -935,7 +935,7 @@ static void pnpacpi_encode_dma(struct pnp_dev *dev,
 	dma->channel_count = 1;
 	dma->channels[0] = p->start;
 
-	dev_dbg(&dev->dev, "  encode dma %d "
+	pnp_dbg(&dev->dev, "  encode dma %d "
 		"type %#x transfer %#x master %d\n",
 		(int) p->start, dma->type, dma->transfer, dma->bus_master);
 }
@@ -959,7 +959,7 @@ static void pnpacpi_encode_io(struct pnp_dev *dev,
 		io->address_length = 0;
 	}
 
-	dev_dbg(&dev->dev, "  encode io %#x-%#x decode %#x\n", io->minimum,
+	pnp_dbg(&dev->dev, "  encode io %#x-%#x decode %#x\n", io->minimum,
 		io->minimum + io->address_length - 1, io->io_decode);
 }
 
@@ -977,7 +977,7 @@ static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,
 		fixed_io->address_length = 0;
 	}
 
-	dev_dbg(&dev->dev, "  encode fixed_io %#x-%#x\n", fixed_io->address,
+	pnp_dbg(&dev->dev, "  encode fixed_io %#x-%#x\n", fixed_io->address,
 		fixed_io->address + fixed_io->address_length - 1);
 }
 
@@ -1000,7 +1000,7 @@ static void pnpacpi_encode_mem24(struct pnp_dev *dev,
 		memory24->address_length = 0;
 	}
 
-	dev_dbg(&dev->dev, "  encode mem24 %#x-%#x write_protect %#x\n",
+	pnp_dbg(&dev->dev, "  encode mem24 %#x-%#x write_protect %#x\n",
 		memory24->minimum,
 		memory24->minimum + memory24->address_length - 1,
 		memory24->write_protect);
@@ -1024,7 +1024,7 @@ static void pnpacpi_encode_mem32(struct pnp_dev *dev,
 		memory32->alignment = 0;
 	}
 
-	dev_dbg(&dev->dev, "  encode mem32 %#x-%#x write_protect %#x\n",
+	pnp_dbg(&dev->dev, "  encode mem32 %#x-%#x write_protect %#x\n",
 		memory32->minimum,
 		memory32->minimum + memory32->address_length - 1,
 		memory32->write_protect);
@@ -1047,7 +1047,7 @@ static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
 		fixed_memory32->address_length = 0;
 	}
 
-	dev_dbg(&dev->dev, "  encode fixed_mem32 %#x-%#x write_protect %#x\n",
+	pnp_dbg(&dev->dev, "  encode fixed_mem32 %#x-%#x write_protect %#x\n",
 		fixed_memory32->address,
 		fixed_memory32->address + fixed_memory32->address_length - 1,
 		fixed_memory32->write_protect);
@@ -1061,7 +1061,7 @@ int pnpacpi_encode_resources(struct pnp_dev *dev, struct acpi_buffer *buffer)
 	struct acpi_resource *resource = buffer->pointer;
 	int port = 0, irq = 0, dma = 0, mem = 0;
 
-	dev_dbg(&dev->dev, "encode %d resources\n", res_cnt);
+	pnp_dbg(&dev->dev, "encode %d resources\n", res_cnt);
 	while (i < res_cnt) {
 		switch (resource->type) {
 		case ACPI_RESOURCE_TYPE_IRQ:
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 19a4be1a9a3..2f79eb2190e 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -211,7 +211,7 @@ static int pnpbios_get_resources(struct pnp_dev *dev)
 	if (!pnpbios_is_dynamic(dev))
 		return -EPERM;
 
-	dev_dbg(&dev->dev, "get resources\n");
+	pnp_dbg(&dev->dev, "get resources\n");
 	node = kzalloc(node_info.max_node_size, GFP_KERNEL);
 	if (!node)
 		return -1;
@@ -234,7 +234,7 @@ static int pnpbios_set_resources(struct pnp_dev *dev)
 	if (!pnpbios_is_dynamic(dev))
 		return -EPERM;
 
-	dev_dbg(&dev->dev, "set resources\n");
+	pnp_dbg(&dev->dev, "set resources\n");
 	node = kzalloc(node_info.max_node_size, GFP_KERNEL);
 	if (!node)
 		return -1;
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index ca567671379..87b4f49a525 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -87,7 +87,7 @@ static unsigned char *pnpbios_parse_allocated_resource_data(struct pnp_dev *dev,
 	if (!p)
 		return NULL;
 
-	dev_dbg(&dev->dev, "parse allocated resources\n");
+	pnp_dbg(&dev->dev, "parse allocated resources\n");
 
 	pnp_init_resources(dev);
 
@@ -324,7 +324,7 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
 	if (!p)
 		return NULL;
 
-	dev_dbg(&dev->dev, "parse resource options\n");
+	pnp_dbg(&dev->dev, "parse resource options\n");
 	option_flags = 0;
 	while ((char *)p < (char *)end) {
 
@@ -519,7 +519,7 @@ static void pnpbios_encode_mem(struct pnp_dev *dev, unsigned char *p,
 	p[10] = (len >> 8) & 0xff;
 	p[11] = ((len >> 8) >> 8) & 0xff;
 
-	dev_dbg(&dev->dev, "  encode mem %#lx-%#lx\n", base, base + len - 1);
+	pnp_dbg(&dev->dev, "  encode mem %#lx-%#lx\n", base, base + len - 1);
 }
 
 static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p,
@@ -549,7 +549,7 @@ static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p,
 	p[18] = (len >> 16) & 0xff;
 	p[19] = (len >> 24) & 0xff;
 
-	dev_dbg(&dev->dev, "  encode mem32 %#lx-%#lx\n", base, base + len - 1);
+	pnp_dbg(&dev->dev, "  encode mem32 %#lx-%#lx\n", base, base + len - 1);
 }
 
 static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p,
@@ -575,7 +575,7 @@ static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p,
 	p[10] = (len >> 16) & 0xff;
 	p[11] = (len >> 24) & 0xff;
 
-	dev_dbg(&dev->dev, "  encode fixed_mem32 %#lx-%#lx\n", base,
+	pnp_dbg(&dev->dev, "  encode fixed_mem32 %#lx-%#lx\n", base,
 		base + len - 1);
 }
 
@@ -592,7 +592,7 @@ static void pnpbios_encode_irq(struct pnp_dev *dev, unsigned char *p,
 	p[1] = map & 0xff;
 	p[2] = (map >> 8) & 0xff;
 
-	dev_dbg(&dev->dev, "  encode irq mask %#lx\n", map);
+	pnp_dbg(&dev->dev, "  encode irq mask %#lx\n", map);
 }
 
 static void pnpbios_encode_dma(struct pnp_dev *dev, unsigned char *p,
@@ -607,7 +607,7 @@ static void pnpbios_encode_dma(struct pnp_dev *dev, unsigned char *p,
 
 	p[1] = map & 0xff;
 
-	dev_dbg(&dev->dev, "  encode dma mask %#lx\n", map);
+	pnp_dbg(&dev->dev, "  encode dma mask %#lx\n", map);
 }
 
 static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p,
@@ -630,7 +630,7 @@ static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p,
 	p[5] = (base >> 8) & 0xff;
 	p[7] = len & 0xff;
 
-	dev_dbg(&dev->dev, "  encode io %#lx-%#lx\n", base, base + len - 1);
+	pnp_dbg(&dev->dev, "  encode io %#lx-%#lx\n", base, base + len - 1);
 }
 
 static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p,
@@ -651,7 +651,7 @@ static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p,
 	p[2] = (base >> 8) & 0xff;
 	p[3] = len & 0xff;
 
-	dev_dbg(&dev->dev, "  encode fixed_io %#lx-%#lx\n", base,
+	pnp_dbg(&dev->dev, "  encode fixed_io %#lx-%#lx\n", base,
 		base + len - 1);
 }
 
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index 414bb094572..3d2e5609478 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -337,7 +337,7 @@ void pnp_fixup_device(struct pnp_dev *dev)
 	for (f = pnp_fixups; *f->id; f++) {
 		if (!compare_pnp_id(dev->id, f->id))
 			continue;
-		dev_dbg(&dev->dev, "%s: calling %pF\n", f->id,
+		pnp_dbg(&dev->dev, "%s: calling %pF\n", f->id,
 			f->quirk_function);
 		f->quirk_function(dev);
 	}
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index e0206da6851..5ef463d89f1 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -294,7 +294,7 @@ static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci,
 	u8 progif;
 
 	if (pci->irq == irq) {
-		dev_dbg(&pnp->dev, "  device %s using irq %d\n",
+		pnp_dbg(&pnp->dev, "  device %s using irq %d\n",
 			pci_name(pci), irq);
 		return 1;
 	}
@@ -316,7 +316,7 @@ static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci,
 		if ((progif & 0x5) != 0x5)
 			if (pci_get_legacy_ide_irq(pci, 0) == irq ||
 			    pci_get_legacy_ide_irq(pci, 1) == irq) {
-				dev_dbg(&pnp->dev, "  legacy IDE device %s "
+				pnp_dbg(&pnp->dev, "  legacy IDE device %s "
 					"using irq %d\n", pci_name(pci), irq);
 				return 1;
 			}
@@ -517,7 +517,7 @@ struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq,
 	res->start = irq;
 	res->end = irq;
 
-	dev_dbg(&dev->dev, "  add irq %d flags %#x\n", irq, flags);
+	pnp_dbg(&dev->dev, "  add irq %d flags %#x\n", irq, flags);
 	return pnp_res;
 }
 
@@ -538,7 +538,7 @@ struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma,
 	res->start = dma;
 	res->end = dma;
 
-	dev_dbg(&dev->dev, "  add dma %d flags %#x\n", dma, flags);
+	pnp_dbg(&dev->dev, "  add dma %d flags %#x\n", dma, flags);
 	return pnp_res;
 }
 
@@ -562,7 +562,7 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
 	res->start = start;
 	res->end = end;
 
-	dev_dbg(&dev->dev, "  add io  %#llx-%#llx flags %#x\n",
+	pnp_dbg(&dev->dev, "  add io  %#llx-%#llx flags %#x\n",
 		(unsigned long long) start, (unsigned long long) end, flags);
 	return pnp_res;
 }
@@ -587,7 +587,7 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
 	res->start = start;
 	res->end = end;
 
-	dev_dbg(&dev->dev, "  add mem %#llx-%#llx flags %#x\n",
+	pnp_dbg(&dev->dev, "  add mem %#llx-%#llx flags %#x\n",
 		(unsigned long long) start, (unsigned long long) end, flags);
 	return pnp_res;
 }
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index 714918655e0..63087d5ce60 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -81,11 +81,11 @@ void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
 	struct resource *res;
 
 	if (list_empty(&dev->resources)) {
-		dev_dbg(&dev->dev, "%s: no current resources\n", desc);
+		pnp_dbg(&dev->dev, "%s: no current resources\n", desc);
 		return;
 	}
 
-	dev_dbg(&dev->dev, "%s: current resources:\n", desc);
+	pnp_dbg(&dev->dev, "%s: current resources:\n", desc);
 	list_for_each_entry(pnp_res, &dev->resources, list) {
 		res = &pnp_res->res;
 		len = 0;
@@ -94,7 +94,7 @@ void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
 				 pnp_resource_type_name(res));
 
 		if (res->flags & IORESOURCE_DISABLED) {
-			dev_dbg(&dev->dev, "%sdisabled\n", buf);
+			pnp_dbg(&dev->dev, "%sdisabled\n", buf);
 			continue;
 		}
 
@@ -115,7 +115,7 @@ void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
 					 res->flags);
 			break;
 		}
-		dev_dbg(&dev->dev, "%s\n", buf);
+		pnp_dbg(&dev->dev, "%s\n", buf);
 	}
 }
 
@@ -205,5 +205,5 @@ void dbg_pnp_show_option(struct pnp_dev *dev, struct pnp_option *option)
 				 "flags %#x", dma->map, dma->flags);
 		break;
 	}
-	dev_dbg(&dev->dev, "%s\n", buf);
+	pnp_dbg(&dev->dev, "%s\n", buf);
 }
-- 
GitLab


From ac88a8f3f7df04774b386ddaf586040adb819b58 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Tue, 19 Aug 2008 16:53:52 -0600
Subject: [PATCH 0371/2224] PNP: remove old CONFIG_PNP_DEBUG option

CONFIG_PNP_DEBUG is no longer used to turn on dev_dbg() in PNP,
since we have pnp_dbg() which can be enabled at boot-time, so
this patch removes the config option.

Note that pnp_dock_event() checks "#ifdef DEBUG".  But there's
never been a clear path for enabling that via configgery.  It
happened that CONFIG_PNP_DEBUG enabled it after 1bd17e63a068db6,
but that was accidental and only in 2.6.26.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/pnp/Kconfig          | 6 ------
 drivers/pnp/Makefile         | 4 ----
 drivers/pnp/isapnp/Makefile  | 4 ----
 drivers/pnp/pnpacpi/Makefile | 4 ----
 drivers/pnp/pnpbios/Makefile | 4 ----
 5 files changed, 22 deletions(-)

diff --git a/drivers/pnp/Kconfig b/drivers/pnp/Kconfig
index 8a3237f9f2a..2a37b3fedb8 100644
--- a/drivers/pnp/Kconfig
+++ b/drivers/pnp/Kconfig
@@ -36,12 +36,6 @@ config PNP_DEBUG_MESSAGES
 
 if PNP
 
-config PNP_DEBUG
-	bool "PnP Debug Messages"
-	help
-	  Say Y if you want the Plug and Play Layer to print debug messages.
-	  This is useful if you are developing a PnP driver or troubleshooting.
-
 comment "Protocols"
 
 source "drivers/pnp/isapnp/Kconfig"
diff --git a/drivers/pnp/Makefile b/drivers/pnp/Makefile
index 26f5abc9c3f..a381a92fd1b 100644
--- a/drivers/pnp/Makefile
+++ b/drivers/pnp/Makefile
@@ -7,7 +7,3 @@ obj-y		:= core.o card.o driver.o resource.o manager.o support.o interface.o quir
 obj-$(CONFIG_PNPACPI)		+= pnpacpi/
 obj-$(CONFIG_PNPBIOS)		+= pnpbios/
 obj-$(CONFIG_ISAPNP)		+= isapnp/
-
-ifeq ($(CONFIG_PNP_DEBUG),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
diff --git a/drivers/pnp/isapnp/Makefile b/drivers/pnp/isapnp/Makefile
index 3e38f06f8d7..cac18bbfb81 100644
--- a/drivers/pnp/isapnp/Makefile
+++ b/drivers/pnp/isapnp/Makefile
@@ -5,7 +5,3 @@
 isapnp-proc-$(CONFIG_PROC_FS) = proc.o
 
 obj-y := core.o compat.o $(isapnp-proc-y)
-
-ifeq ($(CONFIG_PNP_DEBUG),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
diff --git a/drivers/pnp/pnpacpi/Makefile b/drivers/pnp/pnpacpi/Makefile
index 2d7a1e6908b..905326fcca8 100644
--- a/drivers/pnp/pnpacpi/Makefile
+++ b/drivers/pnp/pnpacpi/Makefile
@@ -3,7 +3,3 @@
 #
 
 obj-y := core.o rsparser.o
-
-ifeq ($(CONFIG_PNP_DEBUG),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
diff --git a/drivers/pnp/pnpbios/Makefile b/drivers/pnp/pnpbios/Makefile
index 310e2b3a771..3cd3ed76060 100644
--- a/drivers/pnp/pnpbios/Makefile
+++ b/drivers/pnp/pnpbios/Makefile
@@ -5,7 +5,3 @@
 pnpbios-proc-$(CONFIG_PNPBIOS_PROC_FS) = proc.o
 
 obj-y := core.o bioscalls.o rsparser.o $(pnpbios-proc-y)
-
-ifeq ($(CONFIG_PNP_DEBUG),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
-- 
GitLab


From ee297533279a802eac8b1cbea8e65b24b36a1aac Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 24 Sep 2008 19:04:31 -0700
Subject: [PATCH 0372/2224] ACPI: don't load acpi_cpufreq if acpi=off

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index dd097b83583..9943b4c8774 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -779,6 +779,9 @@ static int __init acpi_cpufreq_init(void)
 {
 	int ret;
 
+	if (acpi_disabled)
+		return 0;
+
 	dprintk("acpi_cpufreq_init\n");
 
 	ret = acpi_cpufreq_early_init();
-- 
GitLab


From fa89b6089b5f4c7a5244b642caaca3e72b06ebe4 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 24 Sep 2008 19:04:32 -0700
Subject: [PATCH 0373/2224] ACPI: remove unused have_arch_parse_srat

This was a workaround for 32bit numa SRAT processing, and we removed those
workarounds, making 32 bit more like 64 bit.  HAVE_ARCH_PARSE_SRAT is no
longer defined anywhere.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/linux/acpi.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 702f79dad16..fd6a452b0ce 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -94,18 +94,10 @@ int acpi_parse_mcfg (struct acpi_table_header *header);
 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
 
 /* the following four functions are architecture-dependent */
-#ifdef CONFIG_HAVE_ARCH_PARSE_SRAT
-#define NR_NODE_MEMBLKS MAX_NUMNODES
-#define acpi_numa_slit_init(slit) do {} while (0)
-#define acpi_numa_processor_affinity_init(pa) do {} while (0)
-#define acpi_numa_memory_affinity_init(ma) do {} while (0)
-#define acpi_numa_arch_fixup() do {} while (0)
-#else
 void acpi_numa_slit_init (struct acpi_table_slit *slit);
 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
 void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
 void acpi_numa_arch_fixup(void);
-#endif
 
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 /* Arch dependent functions for cpu hotplug support */
-- 
GitLab


From ae3a1b46099aa87f1662621580c985432ca1c9d9 Mon Sep 17 00:00:00 2001
From: Carlos Corbacho <carlos@strangeworlds.co.uk>
Date: Fri, 10 Oct 2008 17:33:35 +0100
Subject: [PATCH 0374/2224] acer-wmi: Remove private workqueue

As per Dmitry Torokhov's suggestion, acer-wmi doesn't need a private
workqueue, so remove it.

Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/acer-wmi.c | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index 8708d319378..cf4c39fbc66 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -930,8 +930,6 @@ static void acer_backlight_exit(void)
 /*
  * Rfkill devices
  */
-static struct workqueue_struct *rfkill_workqueue;
-
 static void acer_rfkill_update(struct work_struct *ignored);
 static DECLARE_DELAYED_WORK(acer_rfkill_work, acer_rfkill_update);
 static void acer_rfkill_update(struct work_struct *ignored)
@@ -952,8 +950,7 @@ static void acer_rfkill_update(struct work_struct *ignored)
 				RFKILL_STATE_SOFT_BLOCKED);
 	}
 
-	queue_delayed_work(rfkill_workqueue, &acer_rfkill_work,
-		round_jiffies_relative(HZ));
+	schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
 }
 
 static int acer_rfkill_set(void *data, enum rfkill_state state)
@@ -1018,17 +1015,7 @@ static int acer_rfkill_init(struct device *dev)
 		}
 	}
 
-	rfkill_workqueue = create_singlethread_workqueue("rfkill_workqueue");
-	if (!rfkill_workqueue) {
-		if (has_cap(ACER_CAP_BLUETOOTH)) {
-			kfree(bluetooth_rfkill->data);
-			rfkill_unregister(bluetooth_rfkill);
-		}
-		kfree(wireless_rfkill->data);
-		rfkill_unregister(wireless_rfkill);
-		return -ENOMEM;
-	}
-	queue_delayed_work(rfkill_workqueue, &acer_rfkill_work, HZ);
+	schedule_delayed_work(&acer_rfkill_work, round_jiffies_relative(HZ));
 
 	return 0;
 }
@@ -1036,7 +1023,6 @@ static int acer_rfkill_init(struct device *dev)
 static void acer_rfkill_exit(void)
 {
 	cancel_delayed_work_sync(&acer_rfkill_work);
-	destroy_workqueue(rfkill_workqueue);
 	kfree(wireless_rfkill->data);
 	rfkill_unregister(wireless_rfkill);
 	if (has_cap(ACER_CAP_BLUETOOTH)) {
-- 
GitLab


From 0a918a9432cc30aede10f904253b66ea6ab485ac Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Sat, 11 Oct 2008 00:15:04 -0400
Subject: [PATCH 0375/2224] Subject: ACPI dock: Use ACPI_EXCEPTION instead of
 printk(KERN_ERR

lenb: stripped patch down to what still applied to new dock.c

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dock.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index b7d15818215..913bb1e89dd 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -488,8 +488,9 @@ static void handle_dock(struct dock_station *ds, int dock)
 	arg.integer.value = dock;
 	status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer);
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
-		printk(KERN_ERR PREFIX "%s - failed to execute _DCK\n",
-			 (char *)name_buffer.pointer);
+		ACPI_EXCEPTION((AE_INFO, status, "%s - failed to execute"
+			" _DCK\n", (char *)name_buffer.pointer));
+
 	kfree(buffer.pointer);
 	kfree(name_buffer.pointer);
 }
-- 
GitLab


From 455c8793d2c49eaecad038c8de83dade9fc3759f Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 6 Oct 2008 10:31:36 +0800
Subject: [PATCH 0376/2224] ACPI: Enable EC device immediately after ACPI full
 initialization

when there is no ECDT table and no _INI object for EC device, it will be
enabled before scanning ACPI device. But it is too late after the following
the commit is merged.
    >commit 7752d5cfe3d11ca0bb9c673ec38bd78ba6578f8e
    > Author: Robert Hancock <hancockr@shaw.ca>
    > Date:   Fri Feb 15 01:27:20 2008 -0800
       >x86: validate against acpi motherboard resources

   After the above commit is merged, OS will check whether MCFG area is
reserved in ACPI motherboard resources by calling the function of
acpi_get_devices when there exists MCFG table. In the acpi_get_devices the _STA
object will be evaluated to check the status of the ACPI device. On some broken
BIOS the MYEC object of EC device is initialized as one, which indicates that
EC operation region is already accessible before enabling EC device.So on these
broken BIOS the EC operation region will be accessed in course of evaluating
the _STA object before enabling EC device, which causes that OS will print the
following warning messages:
    >ACPI Error (evregion-0315): No handler for Region [EC__] (ffff88007f8145e8)
[EmbeddedControl] [20080609]
    >ACPI Error (exfldio-0290): Region EmbeddedControl(3) has no handler [20080321]
    >ACPI Error (psparse-0530): Method parse/execution failed [\_SB_.PCI0.SBRG.
         EC__.BAT1._STA] (Node ffff81013fc17a00), AE_NOT_EXIST
    >ACPI Error (uteval-0233): Method execution failed [\_SB_.PCI0.SBRG.EC__.BAT1.
         _STA] (Node ffff81013fc17a00), AE_NOT_EXIST

Although the above warning message is harmless, it looks confusing.
So it is necessary to enable EC device as early as possible.Maybe it is
appropriate to enable it immediately after ACPI full initialization.

http://bugzilla.kernel.org/show_bug.cgi?id=11255
http://bugzilla.kernel.org/show_bug.cgi?id=11374
http://bugzilla.kernel.org/show_bug.cgi?id=11660

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/bus.c          | 6 ++++++
 drivers/acpi/scan.c         | 4 ----
 include/acpi/acpi_drivers.h | 1 +
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ccae305ee55..0e0bbc6209e 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -749,6 +749,12 @@ static int __init acpi_bus_init(void)
 		goto error1;
 	}
 
+	/*
+	 * Maybe EC region is required at bus_scan/acpi_get_devices. So it
+	 * is necessary to enable it as early as possible.
+	 */
+	acpi_boot_ec_enable();
+
 	printk(KERN_INFO PREFIX "Interpreter enabled\n");
 
 	/* Initialize sleep structures */
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f6f52c1a2ab..2ae218f5ea5 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1545,7 +1545,6 @@ static int acpi_bus_scan_fixed(struct acpi_device *root)
 	return result;
 }
 
-int __init acpi_boot_ec_enable(void);
 
 static int __init acpi_scan_init(void)
 {
@@ -1579,9 +1578,6 @@ static int __init acpi_scan_init(void)
 	 */
 	result = acpi_bus_scan_fixed(acpi_root);
 
-	/* EC region might be needed at bus_scan, so enable it now */
-	acpi_boot_ec_enable();
-
 	if (!result)
 		result = acpi_bus_scan(acpi_root, &ops);
 
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index e5f38e5ce86..ab926a70b39 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -100,6 +100,7 @@ int acpi_power_transition(struct acpi_device *device, int state);
    -------------------------------------------------------------------------- */
 #ifdef CONFIG_ACPI_EC
 int acpi_ec_ecdt_probe(void);
+int acpi_boot_ec_enable(void);
 #endif
 
 /* --------------------------------------------------------------------------
-- 
GitLab


From 27663c5855b10af9ec67bc7dfba001426ba21222 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <willy@linux.intel.com>
Date: Fri, 10 Oct 2008 02:22:59 -0400
Subject: [PATCH 0377/2224] ACPI: Change acpi_evaluate_integer to support
 64-bit on 32-bit kernels

As of version 2.0, ACPI can return 64-bit integers.  The current
acpi_evaluate_integer only supports 64-bit integers on 64-bit platforms.
Change the argument to take a pointer to an acpi_integer so we support
64-bit integers on all platforms.

lenb: replaced use of "acpi_integer" with "unsigned long long"
lenb: fixed bug in acpi_thermal_trips_update()

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/ia64/sn/kernel/io_acpi_init.c  |  8 +++---
 drivers/acpi/ac.c                   |  2 +-
 drivers/acpi/acpi_memhotplug.c      |  5 ++--
 drivers/acpi/asus_acpi.c            |  2 +-
 drivers/acpi/bay.c                  |  2 +-
 drivers/acpi/bus.c                  |  4 +--
 drivers/acpi/button.c               |  4 +--
 drivers/acpi/container.c            |  2 +-
 drivers/acpi/dock.c                 |  6 ++--
 drivers/acpi/ec.c                   |  7 +++--
 drivers/acpi/numa.c                 |  2 +-
 drivers/acpi/osl.c                  |  5 ++--
 drivers/acpi/pci_root.c             |  2 +-
 drivers/acpi/pci_slot.c             | 10 +++----
 drivers/acpi/power.c                |  2 +-
 drivers/acpi/processor_core.c       |  4 +--
 drivers/acpi/processor_perflib.c    |  2 +-
 drivers/acpi/processor_throttling.c |  2 +-
 drivers/acpi/sbshc.c                |  2 +-
 drivers/acpi/sleep/main.c           |  2 +-
 drivers/acpi/thermal.c              | 43 ++++++++++++++++++-----------
 drivers/acpi/utils.c                |  4 +--
 drivers/acpi/video.c                | 42 ++++++++++++++--------------
 drivers/ata/libata-acpi.c           |  2 +-
 drivers/misc/asus-laptop.c          | 12 ++++----
 drivers/misc/eeepc-laptop.c         |  2 +-
 drivers/misc/fujitsu-laptop.c       |  8 +++---
 drivers/misc/intel_menlow.c         | 27 +++++++++---------
 drivers/pci/hotplug/acpiphp_glue.c  | 14 +++++-----
 drivers/pci/hotplug/acpiphp_ibm.c   |  2 +-
 drivers/pci/hotplug/sgi_hotplug.c   |  4 +--
 include/acpi/acpi_bus.h             |  2 +-
 32 files changed, 125 insertions(+), 112 deletions(-)

diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 6568942a95f..a15baacaba4 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -232,7 +232,7 @@ exit:
 static unsigned int
 get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
 {
-	unsigned long adr;
+	unsigned long long adr;
 	acpi_handle child;
 	unsigned int devfn;
 	int function;
@@ -292,8 +292,8 @@ get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
 static acpi_status
 find_matching_device(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-	unsigned long bbn = -1;
-	unsigned long adr;
+	unsigned long long bbn = -1;
+	unsigned long long adr;
 	acpi_handle parent = NULL;
 	acpi_status status;
 	unsigned int devfn;
@@ -348,7 +348,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
 	unsigned int host_devfn;
 	struct sn_pcidev_match pcidev_match;
 	acpi_handle rootbus_handle;
-	unsigned long segment;
+	unsigned long long segment;
 	acpi_status status;
 
 	rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle;
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 831883b7d6c..5e57a80c6cf 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -85,7 +85,7 @@ struct acpi_ac {
 	struct power_supply charger;
 #endif
 	struct acpi_device * device;
-	unsigned long state;
+	unsigned long long state;
 };
 
 #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger);
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 5f1127ad5a9..2b773160e9c 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -194,8 +194,7 @@ acpi_memory_get_device(acpi_handle handle,
 
 static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
 {
-	unsigned long current_status;
-
+	unsigned long long current_status;
 
 	/* Get device present/absent information from the _STA */
 	if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->device->handle, "_STA",
@@ -264,7 +263,7 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
 	acpi_status status;
 	struct acpi_object_list arg_list;
 	union acpi_object arg;
-	unsigned long current_status;
+	unsigned long long current_status;
 
 
 	/* Issue the _EJ0 command */
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index d3d0886d637..4434209e453 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -753,7 +753,7 @@ static int get_lcd_state(void)
 			/* That's what the AML code does */
 			lcd = out_obj.integer.value >> 8;
 	} else if (hotk->model == F3Sa) {
-		unsigned long tmp;
+		unsigned long long tmp;
 		union acpi_object param;
 		struct acpi_object_list input;
 		acpi_status status;
diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
index 61b6c5beb2d..23a51e4779f 100644
--- a/drivers/acpi/bay.c
+++ b/drivers/acpi/bay.c
@@ -90,7 +90,7 @@ static int is_ejectable(acpi_handle handle)
  */
 static int bay_present(struct bay *bay)
 {
-	unsigned long sta;
+	unsigned long long sta;
 	acpi_status status;
 
 	if (bay) {
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ccae305ee55..0885fc796fa 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -77,7 +77,7 @@ EXPORT_SYMBOL(acpi_bus_get_device);
 int acpi_bus_get_status(struct acpi_device *device)
 {
 	acpi_status status = AE_OK;
-	unsigned long sta = 0;
+	unsigned long long sta = 0;
 
 
 	if (!device)
@@ -155,7 +155,7 @@ int acpi_bus_get_power(acpi_handle handle, int *state)
 	int result = 0;
 	acpi_status status = 0;
 	struct acpi_device *device = NULL;
-	unsigned long psc = 0;
+	unsigned long long psc = 0;
 
 
 	result = acpi_bus_get_device(handle, &device);
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 1dfec413588..baeb661ca95 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -145,7 +145,7 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset)
 {
 	struct acpi_button *button = seq->private;
 	acpi_status status;
-	unsigned long state;
+	unsigned long long state;
 
 	if (!button || !button->device)
 		return 0;
@@ -253,7 +253,7 @@ static int acpi_button_remove_fs(struct acpi_device *device)
    -------------------------------------------------------------------------- */
 static int acpi_lid_send_state(struct acpi_button *button)
 {
-	unsigned long state;
+	unsigned long long state;
 	acpi_status status;
 
 	status = acpi_evaluate_integer(button->device->handle, "_LID", NULL,
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 3c25ec7a187..cfa5fd68168 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -76,7 +76,7 @@ static int is_device_present(acpi_handle handle)
 {
 	acpi_handle temp;
 	acpi_status status;
-	unsigned long sta;
+	unsigned long long sta;
 
 
 	status = acpi_get_handle(handle, "_STA", &temp);
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 7d2edf143f1..94857112b64 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -229,7 +229,7 @@ EXPORT_SYMBOL_GPL(is_dock_device);
  */
 static int dock_present(struct dock_station *ds)
 {
-	unsigned long sta;
+	unsigned long long sta;
 	acpi_status status;
 
 	if (ds) {
@@ -727,13 +727,13 @@ static DEVICE_ATTR(undock, S_IWUSR, NULL, write_undock);
 static ssize_t show_dock_uid(struct device *dev,
 			     struct device_attribute *attr, char *buf)
 {
-	unsigned long lbuf;
+	unsigned long long lbuf;
 	acpi_status status = acpi_evaluate_integer(dock_station->handle,
 					"_UID", NULL, &lbuf);
 	if (ACPI_FAILURE(status))
 	    return 0;
 
-	return snprintf(buf, PAGE_SIZE, "%lx\n", lbuf);
+	return snprintf(buf, PAGE_SIZE, "%llx\n", lbuf);
 }
 static DEVICE_ATTR(uid, S_IRUGO, show_dock_uid, NULL);
 
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 13593f9f219..638a68679a4 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -718,6 +718,7 @@ static acpi_status
 ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
 {
 	acpi_status status;
+	unsigned long long tmp;
 
 	struct acpi_ec *ec = context;
 	status = acpi_walk_resources(handle, METHOD_NAME__CRS,
@@ -727,11 +728,13 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval)
 
 	/* Get GPE bit assignment (EC events). */
 	/* TODO: Add support for _GPE returning a package */
-	status = acpi_evaluate_integer(handle, "_GPE", NULL, &ec->gpe);
+	status = acpi_evaluate_integer(handle, "_GPE", NULL, &tmp);
 	if (ACPI_FAILURE(status))
 		return status;
+	ec->gpe = tmp;
 	/* Use the global lock for all EC transactions? */
-	acpi_evaluate_integer(handle, "_GLK", NULL, &ec->global_lock);
+	acpi_evaluate_integer(handle, "_GLK", NULL, &tmp);
+	ec->global_lock = tmp;
 	ec->handle = handle;
 	return AE_CTRL_TERMINATE;
 }
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index cb9864e39ba..25ceae9191e 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -258,7 +258,7 @@ int __init acpi_numa_init(void)
 
 int acpi_get_pxm(acpi_handle h)
 {
-	unsigned long pxm;
+	unsigned long long pxm;
 	acpi_status status;
 	acpi_handle handle;
 	acpi_handle phandle = h;
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 235a1386888..f58fcbbc810 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -608,7 +608,7 @@ static void acpi_os_derive_pci_id_2(acpi_handle rhandle,	/* upper bound  */
 	acpi_handle handle;
 	struct acpi_pci_id *pci_id = *id;
 	acpi_status status;
-	unsigned long temp;
+	unsigned long long temp;
 	acpi_object_type type;
 
 	acpi_get_parent(chandle, &handle);
@@ -620,8 +620,7 @@ static void acpi_os_derive_pci_id_2(acpi_handle rhandle,	/* upper bound  */
 		if ((ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE))
 			return;
 
-		status =
-		    acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
+		status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
 					  &temp);
 		if (ACPI_SUCCESS(status)) {
 			u32 val;
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index c3fed31166b..18ff4e5c8d8 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -190,7 +190,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 	struct acpi_pci_root *root = NULL;
 	struct acpi_pci_root *tmp;
 	acpi_status status = AE_OK;
-	unsigned long value = 0;
+	unsigned long long value = 0;
 	acpi_handle handle = NULL;
 	struct acpi_device *child;
 
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index d5b4ef89887..9bb84d4596b 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -76,10 +76,10 @@ static struct acpi_pci_driver acpi_pci_slot_driver = {
 };
 
 static int
-check_slot(acpi_handle handle, unsigned long *sun)
+check_slot(acpi_handle handle, unsigned long long *sun)
 {
 	int device = -1;
-	unsigned long adr, sta;
+	unsigned long long adr, sta;
 	acpi_status status;
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
@@ -132,7 +132,7 @@ static acpi_status
 register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
 	int device;
-	unsigned long sun;
+	unsigned long long sun;
 	char name[SLOT_NAME_SIZE];
 	struct acpi_pci_slot *slot;
 	struct pci_slot *pci_slot;
@@ -182,7 +182,7 @@ static acpi_status
 walk_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
 	int device, function;
-	unsigned long adr;
+	unsigned long long adr;
 	acpi_status status;
 	acpi_handle dummy_handle;
 	acpi_walk_callback user_function;
@@ -239,7 +239,7 @@ static int
 walk_root_bridge(acpi_handle handle, acpi_walk_callback user_function)
 {
 	int seg, bus;
-	unsigned long tmp;
+	unsigned long long tmp;
 	acpi_status status;
 	acpi_handle dummy_handle;
 	struct pci_bus *pci_bus;
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 4ab21cb1c8c..89e5d2a8c33 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -131,7 +131,7 @@ acpi_power_get_context(acpi_handle handle,
 static int acpi_power_get_state(struct acpi_power_resource *resource, int *state)
 {
 	acpi_status status = AE_OK;
-	unsigned long sta = 0;
+	unsigned long long sta = 0;
 
 
 	if (!resource || !state)
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index ee68ac54c0d..8a2787141f8 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -563,7 +563,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid)
 
 	/* Check if it is a Device with HID and UID */
 	if (has_uid) {
-		unsigned long value;
+		unsigned long long value;
 		status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
 						NULL, &value);
 		if (ACPI_FAILURE(status)) {
@@ -875,7 +875,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
 static int is_processor_present(acpi_handle handle)
 {
 	acpi_status status;
-	unsigned long sta = 0;
+	unsigned long long sta = 0;
 
 
 	status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 80c251ec6d2..f8129c7277f 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -126,7 +126,7 @@ static struct notifier_block acpi_ppc_notifier_block = {
 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
 {
 	acpi_status status = 0;
-	unsigned long ppc = 0;
+	unsigned long long ppc = 0;
 
 
 	if (!pr)
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index a56fc6c4394..3097b752003 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -274,7 +274,7 @@ static int acpi_processor_throttling_notifier(unsigned long event, void *data)
 static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
 {
 	acpi_status status = 0;
-	unsigned long tpc = 0;
+	unsigned long long tpc = 0;
 
 	if (!pr)
 		return -EINVAL;
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index a4e3767b8c6..81d23d38ec9 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -258,7 +258,7 @@ extern int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
 static int acpi_smbus_hc_add(struct acpi_device *device)
 {
 	int status;
-	unsigned long val;
+	unsigned long long val;
 	struct acpi_smb_hc *hc;
 
 	if (!device)
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index d13194a031b..b32ba565e69 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -444,7 +444,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p)
 	acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
 	struct acpi_device *adev;
 	char acpi_method[] = "_SxD";
-	unsigned long d_min, d_max;
+	unsigned long long d_min, d_max;
 
 	if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
 		printk(KERN_DEBUG "ACPI handle has no context!\n");
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 912703691d3..47abb94bdfb 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -246,18 +246,18 @@ static const struct file_operations acpi_thermal_polling_fops = {
 static int acpi_thermal_get_temperature(struct acpi_thermal *tz)
 {
 	acpi_status status = AE_OK;
-
+	unsigned long long tmp;
 
 	if (!tz)
 		return -EINVAL;
 
 	tz->last_temperature = tz->temperature;
 
-	status =
-	    acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tz->temperature);
+	status = acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tmp);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
+	tz->temperature = tmp;
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n",
 			  tz->temperature));
 
@@ -267,17 +267,16 @@ static int acpi_thermal_get_temperature(struct acpi_thermal *tz)
 static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
 {
 	acpi_status status = AE_OK;
-
+	unsigned long long tmp;
 
 	if (!tz)
 		return -EINVAL;
 
-	status =
-	    acpi_evaluate_integer(tz->device->handle, "_TZP", NULL,
-				  &tz->polling_frequency);
+	status = acpi_evaluate_integer(tz->device->handle, "_TZP", NULL, &tmp);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
+	tz->polling_frequency = tmp;
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n",
 			  tz->polling_frequency));
 
@@ -356,6 +355,7 @@ do {	\
 static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 {
 	acpi_status status = AE_OK;
+	unsigned long long tmp;
 	struct acpi_handle_list devices;
 	int valid = 0;
 	int i;
@@ -363,7 +363,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	/* Critical Shutdown (required) */
 	if (flag & ACPI_TRIPS_CRITICAL) {
 		status = acpi_evaluate_integer(tz->device->handle,
-				"_CRT", NULL, &tz->trips.critical.temperature);
+				"_CRT", NULL, &tmp);
+		tz->trips.critical.temperature = tmp;
 		/*
 		 * Treat freezing temperatures as invalid as well; some
 		 * BIOSes return really low values and cause reboots at startup.
@@ -399,12 +400,13 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	/* Critical Sleep (optional) */
 	if (flag & ACPI_TRIPS_HOT) {
 		status = acpi_evaluate_integer(tz->device->handle,
-				"_HOT", NULL, &tz->trips.hot.temperature);
+				"_HOT", NULL, &tmp);
 		if (ACPI_FAILURE(status)) {
 			tz->trips.hot.flags.valid = 0;
 			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 					"No hot threshold\n"));
 		} else {
+			tz->trips.hot.temperature = tmp;
 			tz->trips.hot.flags.valid = 1;
 			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 					"Found hot threshold [%lu]\n",
@@ -418,33 +420,40 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 		if (psv == -1) {
 			status = AE_SUPPORT;
 		} else if (psv > 0) {
-			tz->trips.passive.temperature = CELSIUS_TO_KELVIN(psv);
+			tmp = CELSIUS_TO_KELVIN(psv);
 			status = AE_OK;
 		} else {
 			status = acpi_evaluate_integer(tz->device->handle,
-				"_PSV", NULL, &tz->trips.passive.temperature);
+				"_PSV", NULL, &tmp);
 		}
 
 		if (ACPI_FAILURE(status))
 			tz->trips.passive.flags.valid = 0;
 		else {
+			tz->trips.passive.temperature = tmp;
 			tz->trips.passive.flags.valid = 1;
 			if (flag == ACPI_TRIPS_INIT) {
 				status = acpi_evaluate_integer(
 						tz->device->handle, "_TC1",
-						NULL, &tz->trips.passive.tc1);
+						NULL, &tmp);
 				if (ACPI_FAILURE(status))
 					tz->trips.passive.flags.valid = 0;
+				else
+					tz->trips.passive.tc1 = tmp;
 				status = acpi_evaluate_integer(
 						tz->device->handle, "_TC2",
-						NULL, &tz->trips.passive.tc2);
+						NULL, &tmp);
 				if (ACPI_FAILURE(status))
 					tz->trips.passive.flags.valid = 0;
+				else
+					tz->trips.passive.tc2 = tmp;
 				status = acpi_evaluate_integer(
 						tz->device->handle, "_TSP",
-						NULL, &tz->trips.passive.tsp);
+						NULL, &tmp);
 				if (ACPI_FAILURE(status))
 					tz->trips.passive.flags.valid = 0;
+				else
+					tz->trips.passive.tsp = tmp;
 			}
 		}
 	}
@@ -479,7 +488,7 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 
 		if (flag & ACPI_TRIPS_ACTIVE) {
 			status = acpi_evaluate_integer(tz->device->handle,
-				name, NULL, &tz->trips.active[i].temperature);
+							name, NULL, &tmp);
 			if (ACPI_FAILURE(status)) {
 				tz->trips.active[i].flags.valid = 0;
 				if (i == 0)
@@ -500,8 +509,10 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 						tz->trips.active[i - 2].temperature :
 						CELSIUS_TO_KELVIN(act));
 				break;
-			} else
+			} else {
+				tz->trips.active[i].temperature = tmp;
 				tz->trips.active[i].flags.valid = 1;
+			}
 		}
 
 		name[2] = 'L';
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 10092614381..e827be36ee8 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -256,7 +256,7 @@ EXPORT_SYMBOL(acpi_extract_package);
 acpi_status
 acpi_evaluate_integer(acpi_handle handle,
 		      acpi_string pathname,
-		      struct acpi_object_list *arguments, unsigned long *data)
+		      struct acpi_object_list *arguments, unsigned long long *data)
 {
 	acpi_status status = AE_OK;
 	union acpi_object *element;
@@ -288,7 +288,7 @@ acpi_evaluate_integer(acpi_handle handle,
 	*data = element->integer.value;
 	kfree(element);
 
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%lu]\n", *data));
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%llu]\n", *data));
 
 	return AE_OK;
 }
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index e8a51a1700f..79409c9d2ad 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -291,20 +291,20 @@ static int acpi_video_device_lcd_set_level(struct acpi_video_device *device,
 			int level);
 static int acpi_video_device_lcd_get_level_current(
 			struct acpi_video_device *device,
-			unsigned long *level);
+			unsigned long long *level);
 static int acpi_video_get_next_level(struct acpi_video_device *device,
 				     u32 level_current, u32 event);
 static void acpi_video_switch_brightness(struct acpi_video_device *device,
 					 int event);
 static int acpi_video_device_get_state(struct acpi_video_device *device,
-			    unsigned long *state);
+			    unsigned long long *state);
 static int acpi_video_output_get(struct output_device *od);
 static int acpi_video_device_set_state(struct acpi_video_device *device, int state);
 
 /*backlight device sysfs support*/
 static int acpi_video_get_brightness(struct backlight_device *bd)
 {
-	unsigned long cur_level;
+	unsigned long long cur_level;
 	int i;
 	struct acpi_video_device *vd =
 		(struct acpi_video_device *)bl_get_data(bd);
@@ -336,7 +336,7 @@ static struct backlight_ops acpi_backlight_ops = {
 /*video output device sysfs support*/
 static int acpi_video_output_get(struct output_device *od)
 {
-	unsigned long state;
+	unsigned long long state;
 	struct acpi_video_device *vd =
 		(struct acpi_video_device *)dev_get_drvdata(&od->dev);
 	acpi_video_device_get_state(vd, &state);
@@ -370,7 +370,7 @@ static int video_get_cur_state(struct thermal_cooling_device *cdev, char *buf)
 {
 	struct acpi_device *device = cdev->devdata;
 	struct acpi_video_device *video = acpi_driver_data(device);
-	unsigned long level;
+	unsigned long long level;
 	int state;
 
 	acpi_video_device_lcd_get_level_current(video, &level);
@@ -410,7 +410,7 @@ static struct thermal_cooling_device_ops video_cooling_ops = {
 /* device */
 
 static int
-acpi_video_device_query(struct acpi_video_device *device, unsigned long *state)
+acpi_video_device_query(struct acpi_video_device *device, unsigned long long *state)
 {
 	int status;
 
@@ -421,7 +421,7 @@ acpi_video_device_query(struct acpi_video_device *device, unsigned long *state)
 
 static int
 acpi_video_device_get_state(struct acpi_video_device *device,
-			    unsigned long *state)
+			    unsigned long long *state)
 {
 	int status;
 
@@ -436,7 +436,7 @@ acpi_video_device_set_state(struct acpi_video_device *device, int state)
 	int status;
 	union acpi_object arg0 = { ACPI_TYPE_INTEGER };
 	struct acpi_object_list args = { 1, &arg0 };
-	unsigned long ret;
+	unsigned long long ret;
 
 
 	arg0.integer.value = state;
@@ -495,7 +495,7 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level)
 
 static int
 acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
-					unsigned long *level)
+					unsigned long long *level)
 {
 	if (device->cap._BQC)
 		return acpi_evaluate_integer(device->dev->handle, "_BQC", NULL,
@@ -549,7 +549,7 @@ static int
 acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option)
 {
 	int status;
-	unsigned long tmp;
+	unsigned long long tmp;
 	union acpi_object arg0 = { ACPI_TYPE_INTEGER };
 	struct acpi_object_list args = { 1, &arg0 };
 
@@ -564,7 +564,7 @@ acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option)
 }
 
 static int
-acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long *id)
+acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long long *id)
 {
 	int status;
 
@@ -575,7 +575,7 @@ acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long *id)
 
 static int
 acpi_video_bus_POST_options(struct acpi_video_bus *video,
-			    unsigned long *options)
+			    unsigned long long *options)
 {
 	int status;
 
@@ -918,7 +918,7 @@ static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset)
 {
 	int status;
 	struct acpi_video_device *dev = seq->private;
-	unsigned long state;
+	unsigned long long state;
 
 
 	if (!dev)
@@ -927,14 +927,14 @@ static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset)
 	status = acpi_video_device_get_state(dev, &state);
 	seq_printf(seq, "state:     ");
 	if (ACPI_SUCCESS(status))
-		seq_printf(seq, "0x%02lx\n", state);
+		seq_printf(seq, "0x%02llx\n", state);
 	else
 		seq_printf(seq, "<not supported>\n");
 
 	status = acpi_video_device_query(dev, &state);
 	seq_printf(seq, "query:     ");
 	if (ACPI_SUCCESS(status))
-		seq_printf(seq, "0x%02lx\n", state);
+		seq_printf(seq, "0x%02llx\n", state);
 	else
 		seq_printf(seq, "<not supported>\n");
 
@@ -1217,7 +1217,7 @@ static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file)
 static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset)
 {
 	struct acpi_video_bus *video = seq->private;
-	unsigned long options;
+	unsigned long long options;
 	int status;
 
 
@@ -1232,7 +1232,7 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset)
 			printk(KERN_WARNING PREFIX
 			       "This indicates a BIOS bug. Please contact the manufacturer.\n");
 		}
-		printk("%lx\n", options);
+		printk("%llx\n", options);
 		seq_printf(seq, "can POST: <integrated video>");
 		if (options & 2)
 			seq_printf(seq, " <PCI video>");
@@ -1256,7 +1256,7 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset)
 {
 	struct acpi_video_bus *video = seq->private;
 	int status;
-	unsigned long id;
+	unsigned long long id;
 
 
 	if (!video)
@@ -1303,7 +1303,7 @@ acpi_video_bus_write_POST(struct file *file,
 	struct seq_file *m = file->private_data;
 	struct acpi_video_bus *video = m->private;
 	char str[12] = { 0 };
-	unsigned long opt, options;
+	unsigned long long opt, options;
 
 
 	if (!video || count + 1 > sizeof str)
@@ -1473,7 +1473,7 @@ static int
 acpi_video_bus_get_one_device(struct acpi_device *device,
 			      struct acpi_video_bus *video)
 {
-	unsigned long device_id;
+	unsigned long long device_id;
 	int status;
 	struct acpi_video_device *data;
 	struct acpi_video_device_attrib* attribute;
@@ -1724,7 +1724,7 @@ acpi_video_get_next_level(struct acpi_video_device *device,
 static void
 acpi_video_switch_brightness(struct acpi_video_device *device, int event)
 {
-	unsigned long level_current, level_next;
+	unsigned long long level_current, level_next;
 	if (!device->brightness)
 		return;
 	acpi_video_device_lcd_get_level_current(device, &level_current);
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 9330b7922f6..ae451876b8e 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -180,7 +180,7 @@ static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev,
 	int wait = 0;
 	unsigned long flags;
 	acpi_handle handle, tmphandle;
-	unsigned long sta;
+	unsigned long long sta;
 	acpi_status status;
 
 	if (dev) {
diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index 7c6dfd03de9..967ecec8257 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -280,7 +280,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
 
 static int read_wireless_status(int mask)
 {
-	ulong status;
+	unsigned long long status;
 	acpi_status rv = AE_OK;
 
 	if (!wireless_status_handle)
@@ -297,7 +297,7 @@ static int read_wireless_status(int mask)
 
 static int read_gps_status(void)
 {
-	ulong status;
+	unsigned long long status;
 	acpi_status rv = AE_OK;
 
 	rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status);
@@ -404,7 +404,7 @@ static void lcd_blank(int blank)
 
 static int read_brightness(struct backlight_device *bd)
 {
-	ulong value;
+	unsigned long long value;
 	acpi_status rv = AE_OK;
 
 	rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value);
@@ -455,7 +455,7 @@ static ssize_t show_infos(struct device *dev,
 			  struct device_attribute *attr, char *page)
 {
 	int len = 0;
-	ulong temp;
+	unsigned long long temp;
 	char buf[16];		//enough for all info
 	acpi_status rv = AE_OK;
 
@@ -603,7 +603,7 @@ static void set_display(int value)
 
 static int read_display(void)
 {
-	ulong value = 0;
+	unsigned long long value = 0;
 	acpi_status rv = AE_OK;
 
 	/* In most of the case, we know how to set the display, but sometime
@@ -849,7 +849,7 @@ static int asus_hotk_get_info(void)
 {
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	union acpi_object *model = NULL;
-	ulong bsts_result, hwrs_result;
+	unsigned long long bsts_result, hwrs_result;
 	char *string = NULL;
 	acpi_status status;
 
diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c
index 1ee8501e90f..616bcbd8def 100644
--- a/drivers/misc/eeepc-laptop.c
+++ b/drivers/misc/eeepc-laptop.c
@@ -204,7 +204,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
 static int read_acpi_int(acpi_handle handle, const char *method, int *val)
 {
 	acpi_status status;
-	ulong result;
+	unsigned long long result;
 
 	status = acpi_evaluate_integer(handle, (char *)method, NULL, &result);
 	if (ACPI_FAILURE(status)) {
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index 3e56203e494..efd395a6472 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -224,7 +224,7 @@ static int set_lcd_level_alt(int level)
 
 static int get_lcd_level(void)
 {
-	unsigned long state = 0;
+	unsigned long long state = 0;
 	acpi_status status = AE_OK;
 
 	vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n");
@@ -246,7 +246,7 @@ static int get_lcd_level(void)
 
 static int get_max_brightness(void)
 {
-	unsigned long state = 0;
+	unsigned long long state = 0;
 	acpi_status status = AE_OK;
 
 	vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n");
@@ -263,7 +263,7 @@ static int get_max_brightness(void)
 
 static int get_lcd_level_alt(void)
 {
-	unsigned long state = 0;
+	unsigned long long state = 0;
 	acpi_status status = AE_OK;
 
 	vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n");
@@ -384,7 +384,7 @@ static ssize_t store_lcd_level(struct device *dev,
 
 static int get_irb(void)
 {
-	unsigned long state = 0;
+	unsigned long long state = 0;
 	acpi_status status = AE_OK;
 
 	vdbg_printk(FUJLAPTOP_DBG_TRACE, "Get irb\n");
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index 80a13635240..bd372ea11b0 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -57,7 +57,7 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
 {
 	struct acpi_device *device = cdev->devdata;
 	acpi_handle handle = device->handle;
-	unsigned long value;
+	unsigned long long value;
 	struct acpi_object_list arg_list;
 	union acpi_object arg;
 	acpi_status status = AE_OK;
@@ -90,7 +90,7 @@ static int memory_get_cur_bandwidth(struct thermal_cooling_device *cdev,
 {
 	struct acpi_device *device = cdev->devdata;
 	acpi_handle handle = device->handle;
-	unsigned long value;
+	unsigned long long value;
 	struct acpi_object_list arg_list;
 	union acpi_object arg;
 	acpi_status status = AE_OK;
@@ -115,7 +115,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
 	struct acpi_object_list arg_list;
 	union acpi_object arg;
 	acpi_status status;
-	int temp;
+	unsigned long long temp;
 	unsigned long max_state;
 
 	if (memory_get_int_max_bandwidth(cdev, &max_state))
@@ -131,7 +131,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
 
 	status =
 	    acpi_evaluate_integer(handle, MEMORY_SET_BANDWIDTH, &arg_list,
-				  (unsigned long *)&temp);
+				  &temp);
 
 	printk(KERN_INFO
 	       "Bandwidth value was %d: status is %d\n", state, status);
@@ -252,7 +252,8 @@ static DEFINE_MUTEX(intel_menlow_attr_lock);
  * @auxtype : AUX0/AUX1
  * @buf: syfs buffer
  */
-static int sensor_get_auxtrip(acpi_handle handle, int index, int *value)
+static int sensor_get_auxtrip(acpi_handle handle, int index,
+							unsigned long long *value)
 {
 	acpi_status status;
 
@@ -260,7 +261,7 @@ static int sensor_get_auxtrip(acpi_handle handle, int index, int *value)
 		return -EINVAL;
 
 	status = acpi_evaluate_integer(handle, index ? GET_AUX1 : GET_AUX0,
-				       NULL, (unsigned long *)value);
+				       NULL, value);
 	if (ACPI_FAILURE(status))
 		return -EIO;
 
@@ -282,13 +283,13 @@ static int sensor_set_auxtrip(acpi_handle handle, int index, int value)
 	struct acpi_object_list args = {
 		1, &arg
 	};
-	int temp;
+	unsigned long long temp;
 
 	if (index != 0 && index != 1)
 		return -EINVAL;
 
 	status = acpi_evaluate_integer(handle, index ? GET_AUX0 : GET_AUX1,
-				       NULL, (unsigned long *)&temp);
+				       NULL, &temp);
 	if (ACPI_FAILURE(status))
 		return -EIO;
 	if ((index && value < temp) || (!index && value > temp))
@@ -296,7 +297,7 @@ static int sensor_set_auxtrip(acpi_handle handle, int index, int value)
 
 	arg.integer.value = value;
 	status = acpi_evaluate_integer(handle, index ? SET_AUX1 : SET_AUX0,
-				       &args, (unsigned long *)&temp);
+				       &args, &temp);
 	if (ACPI_FAILURE(status))
 		return -EIO;
 
@@ -312,7 +313,7 @@ static ssize_t aux0_show(struct device *dev,
 			 struct device_attribute *dev_attr, char *buf)
 {
 	struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr);
-	int value;
+	unsigned long long value;
 	int result;
 
 	result = sensor_get_auxtrip(attr->handle, 0, &value);
@@ -324,7 +325,7 @@ static ssize_t aux1_show(struct device *dev,
 			 struct device_attribute *dev_attr, char *buf)
 {
 	struct intel_menlow_attribute *attr = to_intel_menlow_attr(dev_attr);
-	int value;
+	unsigned long long value;
 	int result;
 
 	result = sensor_get_auxtrip(attr->handle, 1, &value);
@@ -376,7 +377,7 @@ static ssize_t bios_enabled_show(struct device *dev,
 				 struct device_attribute *attr, char *buf)
 {
 	acpi_status status;
-	unsigned long bios_enabled;
+	unsigned long long bios_enabled;
 
 	status = acpi_evaluate_integer(NULL, BIOS_ENABLED, NULL, &bios_enabled);
 	if (ACPI_FAILURE(status))
@@ -492,7 +493,7 @@ static int __init intel_menlow_module_init(void)
 {
 	int result = -ENODEV;
 	acpi_status status;
-	unsigned long enable;
+	unsigned long long enable;
 
 	if (acpi_disabled)
 		return result;
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index a3e4705dd8f..3baee56fa81 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -180,7 +180,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 	struct acpiphp_func *newfunc;
 	acpi_handle tmp;
 	acpi_status status = AE_OK;
-	unsigned long adr, sun;
+	unsigned long long adr, sun;
 	int device, function, retval;
 
 	status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
@@ -528,7 +528,7 @@ find_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
 	acpi_status status;
 	acpi_handle dummy_handle;
-	unsigned long tmp;
+	unsigned long long tmp;
 	int device, function;
 	struct pci_dev *dev;
 	struct pci_bus *pci_bus = context;
@@ -573,7 +573,7 @@ find_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
 static int add_bridge(acpi_handle handle)
 {
 	acpi_status status;
-	unsigned long tmp;
+	unsigned long long tmp;
 	int seg, bus;
 	acpi_handle dummy_handle;
 	struct pci_bus *pci_bus;
@@ -767,7 +767,7 @@ static int get_gsi_base(acpi_handle handle, u32 *gsi_base)
 {
 	acpi_status status;
 	int result = -1;
-	unsigned long gsb;
+	unsigned long long gsb;
 	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
 	union acpi_object *obj;
 	void *table;
@@ -808,7 +808,7 @@ static acpi_status
 ioapic_add(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
 	acpi_status status;
-	unsigned long sta;
+	unsigned long long sta;
 	acpi_handle tmp;
 	struct pci_dev *pdev;
 	u32 gsi_base;
@@ -872,7 +872,7 @@ static acpi_status
 ioapic_remove(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
 	acpi_status status;
-	unsigned long sta;
+	unsigned long long sta;
 	acpi_handle tmp;
 	u32 gsi_base;
 	struct acpiphp_ioapic *pos, *n, *ioapic = NULL;
@@ -1264,7 +1264,7 @@ static int disable_device(struct acpiphp_slot *slot)
 static unsigned int get_slot_status(struct acpiphp_slot *slot)
 {
 	acpi_status status;
-	unsigned long sta = 0;
+	unsigned long long sta = 0;
 	u32 dvid;
 	struct list_head *l;
 	struct acpiphp_func *func;
diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 2b7c45e3937..b291ee68b4f 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -183,7 +183,7 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
 	union acpi_object args[2]; 
 	struct acpi_object_list params = { .pointer = args, .count = 2 };
 	acpi_status stat; 
-	unsigned long rc;
+	unsigned long long rc;
 	union apci_descriptor *ibm_slot;
 
 	ibm_slot = ibm_slot_from_id(hpslot_to_sun(slot));
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index 410fe0394a8..59f42501acc 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -418,7 +418,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 	/*
 	 * Add the slot's devices to the ACPI infrastructure */
 	if (SN_ACPI_BASE_SUPPORT() && ssdt) {
-		unsigned long adr;
+		unsigned long long adr;
 		struct acpi_device *pdevice;
 		struct acpi_device *device;
 		acpi_handle phandle;
@@ -510,7 +510,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
 	/* free the ACPI resources for the slot */
 	if (SN_ACPI_BASE_SUPPORT() &&
             PCI_CONTROLLER(slot->pci_bus)->acpi_handle) {
-		unsigned long adr;
+		unsigned long long adr;
 		struct acpi_device *device;
 		acpi_handle phandle;
 		acpi_handle chandle = NULL;
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a5ac0bc7f52..c52f10dee36 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -46,7 +46,7 @@ acpi_extract_package(union acpi_object *package,
 acpi_status
 acpi_evaluate_integer(acpi_handle handle,
 		      acpi_string pathname,
-		      struct acpi_object_list *arguments, unsigned long *data);
+		      struct acpi_object_list *arguments, unsigned long long *data);
 acpi_status
 acpi_evaluate_reference(acpi_handle handle,
 			acpi_string pathname,
-- 
GitLab


From 030aebd2e439a2ebcca2b0ce30a02ed84feb043e Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sat, 11 Oct 2008 12:25:45 -0700
Subject: [PATCH 0378/2224] rangetimer: fix BUG_ON reported by Ingo

There's a small race/chance that, while hrtimers are enabled globally,
they're later not enabled when we're calling the hrtimer_interrupt() function,
which then BUG_ON()'s for that. This patch closes that race/gap.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 kernel/hrtimer.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index eb2cf984959..b17657d8d81 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1395,11 +1395,15 @@ void hrtimer_peek_ahead_timers(void)
 	unsigned long flags;
 	struct tick_device *td;
 	struct clock_event_device *dev;
-
+	struct hrtimer_cpu_base *cpu_base;
 	if (hrtimer_hres_active())
 		return;
 
 	local_irq_save(flags);
+	cpu_base = &__get_cpu_var(hrtimer_bases);
+	if (!cpu_base->hres_active)
+		goto out;
+
 	td = &__get_cpu_var(tick_cpu_device);
 	if (!td)
 		goto out;
-- 
GitLab


From 1d3ba686ed706a0e8563878b2ec415e125178607 Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Date: Mon, 13 Oct 2008 12:42:25 +0200
Subject: [PATCH 0379/2224] avr32: Kconfig: Remove pointless if around
 atstk1000 include

The contents of the ATSTK1000 Kconfig file itself is completely
conditional, so including it conditionally makes no sense and only adds
clutter.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/Kconfig | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 7c239a91627..a90d85d44fc 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -121,9 +121,7 @@ config BOARD_ATNGW100
 	select CPU_AT32AP7000
 endchoice
 
-if BOARD_ATSTK1000
 source "arch/avr32/boards/atstk1000/Kconfig"
-endif
 
 choice
 	prompt "Boot loader type"
-- 
GitLab


From a3bee42f058c2f9fe281df942eff397924630a12 Mon Sep 17 00:00:00 2001
From: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Date: Tue, 1 Jul 2008 08:29:27 +0000
Subject: [PATCH 0380/2224] avr32: Add support for EVKLCD10X addon boards

This patch lets the user enable support for EVKLCD100 and EVKLCD101
(refered to by EVKLCD10X). By enabling EVKLCD10X support the LCD
controller and AC97 controller platform devices are added.

The user can also choose between the EVKLCD100 (QVGA display) and the
EVKLCD101 (VGA display), this is added to automagically select the
correct panel timing and resolution parameters.

Enabling support for EVKLCD10X addon board will cripple the MCI platform
device a bit since they share two GPIO lines (detect and write-protect).
These two lines are disabled when EVKLCD10X is enabled.

The default configurations are based upon ATNGW100, but with added AC97C
and LCDC driver. Virtual terminal is also enabled by default for
EVKLCD10X boards.

Verified on hardware with a NGW100 + EVKLCD100/101.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/Kconfig                            |    1 +
 arch/avr32/boards/atngw100/Kconfig            |   35 +
 arch/avr32/boards/atngw100/Makefile           |    3 +-
 arch/avr32/boards/atngw100/evklcd10x.c        |  155 ++
 arch/avr32/boards/atngw100/setup.c            |    5 +
 .../configs/atngw100_evklcd100_defconfig      | 1264 +++++++++++++++++
 .../configs/atngw100_evklcd101_defconfig      | 1264 +++++++++++++++++
 7 files changed, 2726 insertions(+), 1 deletion(-)
 create mode 100644 arch/avr32/boards/atngw100/Kconfig
 create mode 100644 arch/avr32/boards/atngw100/evklcd10x.c
 create mode 100644 arch/avr32/configs/atngw100_evklcd100_defconfig
 create mode 100644 arch/avr32/configs/atngw100_evklcd101_defconfig

diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index a90d85d44fc..5c6d429505e 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -122,6 +122,7 @@ config BOARD_ATNGW100
 endchoice
 
 source "arch/avr32/boards/atstk1000/Kconfig"
+source "arch/avr32/boards/atngw100/Kconfig"
 
 choice
 	prompt "Boot loader type"
diff --git a/arch/avr32/boards/atngw100/Kconfig b/arch/avr32/boards/atngw100/Kconfig
new file mode 100644
index 00000000000..b3f99477bbe
--- /dev/null
+++ b/arch/avr32/boards/atngw100/Kconfig
@@ -0,0 +1,35 @@
+# NGW100 customization
+
+if BOARD_ATNGW100
+
+config BOARD_ATNGW100_EVKLCD10X
+	bool "Add support for EVKLCD10X addon board"
+	help
+	  This enables support for the EVKLCD100 (QVGA) or EVKLCD101 (VGA)
+	  addon board for the NGW100. By enabling this the LCD controller and
+	  AC97 controller is added as platform devices.
+
+	  This choice disables the detect pin and the write-protect pin for the
+	  MCI platform device, since it conflicts with the LCD platform device.
+	  The MCI pins can be reenabled by editing the "add device function" but
+	  this may break the setup for other displays that use these pins.
+
+	  Choose 'Y' here if you have a EVKLCD100/101 connected to the NGW100.
+
+choice
+	prompt "LCD panel resolution on EVKLCD10X"
+	depends on BOARD_ATNGW100_EVKLCD10X
+	default BOARD_ATNGW100_EVKLCD10X_VGA
+
+config BOARD_ATNGW100_EVKLCD10X_QVGA
+	bool "QVGA (320x240)"
+
+config BOARD_ATNGW100_EVKLCD10X_VGA
+	bool "VGA (640x480)"
+
+config BOARD_ATNGW100_EVKLCD10X_POW_QVGA
+	bool "Powertip QVGA (320x240)"
+
+endchoice
+
+endif	# BOARD_ATNGW100
diff --git a/arch/avr32/boards/atngw100/Makefile b/arch/avr32/boards/atngw100/Makefile
index c740aa11675..6376f5322e4 100644
--- a/arch/avr32/boards/atngw100/Makefile
+++ b/arch/avr32/boards/atngw100/Makefile
@@ -1 +1,2 @@
-obj-y				+= setup.o flash.o
+obj-y					+= setup.o flash.o
+obj-$(CONFIG_BOARD_ATNGW100_EVKLCD10X)	+= evklcd10x.o
diff --git a/arch/avr32/boards/atngw100/evklcd10x.c b/arch/avr32/boards/atngw100/evklcd10x.c
new file mode 100644
index 00000000000..8140b22b346
--- /dev/null
+++ b/arch/avr32/boards/atngw100/evklcd10x.c
@@ -0,0 +1,155 @@
+/*
+ * Board-specific setup code for the ATEVKLCD10X addon board to the ATNGW100
+ * Network Gateway
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/setup.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+
+static struct ac97c_platform_data __initdata ac97c0_data = {
+	.dma_rx_periph_id	= 3,
+	.dma_tx_periph_id	= 4,
+	.dma_controller_id	= 0,
+	.reset_pin		= GPIO_PIN_PB(19),
+};
+
+#ifdef CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA
+static struct fb_videomode __initdata tcg057vglad_modes[] = {
+	{
+		.name		= "640x480 @ 60",
+		.refresh	= 60,
+		.xres		= 640,		.yres		= 480,
+		.pixclock	= KHZ2PICOS(25180),
+
+		.left_margin	= 64,		.right_margin	= 31,
+		.upper_margin	= 34,		.lower_margin	= 2,
+		.hsync_len	= 96,		.vsync_len	= 4,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
+	.manufacturer		= "KYO",
+	.monitor		= "TCG057VGLAD",
+	.modedb			= tcg057vglad_modes,
+	.modedb_len		= ARRAY_SIZE(tcg057vglad_modes),
+	.hfmin			= 19948,
+	.hfmax			= 31478,
+	.vfmin			= 50,
+	.vfmax			= 67,
+	.dclkmax		= 28330000,
+};
+
+static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &atevklcd10x_default_monspecs,
+	.guard_time		= 2,
+};
+#elif CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA
+static struct fb_videomode __initdata tcg057qvlad_modes[] = {
+	{
+		.name		= "320x240 @ 60",
+		.refresh	= 60,
+		.xres		= 320,		.yres		= 240,
+		.pixclock	= KHZ2PICOS(6300),
+
+		.left_margin	= 52,		.right_margin	= 28,
+		.upper_margin	= 7,		.lower_margin	= 2,
+		.hsync_len	= 96,		.vsync_len	= 4,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
+	.manufacturer		= "KYO",
+	.monitor		= "TCG057QVLAD",
+	.modedb			= tcg057qvlad_modes,
+	.modedb_len		= ARRAY_SIZE(tcg057qvlad_modes),
+	.hfmin			= 19948,
+	.hfmax			= 31478,
+	.vfmin			= 50,
+	.vfmax			= 67,
+	.dclkmax		= 7000000,
+};
+
+static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &atevklcd10x_default_monspecs,
+	.guard_time		= 2,
+};
+#elif CONFIG_BOARD_ATNGW100_EVKLCD10X_POW_QVGA
+static struct fb_videomode __initdata ph320240t_modes[] = {
+	{
+		.name		= "320x240 @ 60",
+		.refresh	= 60,
+		.xres		= 320,		.yres		= 240,
+		.pixclock	= KHZ2PICOS(6300),
+
+		.left_margin	= 38,		.right_margin	= 20,
+		.upper_margin	= 15,		.lower_margin	= 5,
+		.hsync_len	= 30,		.vsync_len	= 3,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata atevklcd10x_default_monspecs = {
+	.manufacturer		= "POW",
+	.monitor		= "PH320240T",
+	.modedb			= ph320240t_modes,
+	.modedb_len		= ARRAY_SIZE(ph320240t_modes),
+	.hfmin			= 14400,
+	.hfmax			= 21600,
+	.vfmin			= 50,
+	.vfmax			= 90,
+	.dclkmax		= 6400000,
+};
+
+static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &atevklcd10x_default_monspecs,
+	.guard_time		= 2,
+};
+#endif
+
+static int __init atevklcd10x_init(void)
+{
+	at32_add_device_ac97c(0, &ac97c0_data);
+
+	at32_add_device_lcdc(0, &atevklcd10x_lcdc_data,
+			fbmem_start, fbmem_size, 1);
+	return 0;
+}
+postcore_initcall(atevklcd10x_init);
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index 6c54580a66d..af38ab3e450 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -56,8 +56,13 @@ static struct spi_board_info spi0_board_info[] __initdata = {
 static struct mci_platform_data __initdata mci0_data = {
 	.slot[0] = {
 		.bus_width	= 4,
+#ifndef CONFIG_BOARD_ATNGW100_EVKLCD10X
 		.detect_pin	= GPIO_PIN_PC(25),
 		.wp_pin		= GPIO_PIN_PE(0),
+#else
+		.detect_pin	= GPIO_PIN_NONE,
+		.wp_pin		= GPIO_PIN_NONE,
+#endif
 	},
 };
 
diff --git a/arch/avr32/configs/atngw100_evklcd100_defconfig b/arch/avr32/configs/atngw100_evklcd100_defconfig
new file mode 100644
index 00000000000..b0572d21382
--- /dev/null
+++ b/arch/avr32/configs/atngw100_evklcd100_defconfig
@@ -0,0 +1,1264 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.25.6
+# Wed Jun 18 16:06:32 2008
+#
+CONFIG_AVR32=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_BUG=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BSD_PROCESS_ACCT_V3=y
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_BASE_FULL is not set
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=m
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_HAVE_KPROBES=y
+# CONFIG_HAVE_KRETPROBES is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=1
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type and features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_SUBARCH_AVR32B=y
+CONFIG_MMU=y
+CONFIG_PERFORMANCE_COUNTERS=y
+CONFIG_PLATFORM_AT32AP=y
+CONFIG_CPU_AT32AP700X=y
+CONFIG_CPU_AT32AP7000=y
+# CONFIG_BOARD_ATSTK1000 is not set
+CONFIG_BOARD_ATNGW100=y
+CONFIG_BOARD_ATNGW100_EVKLCD10X=y
+CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA=y
+# CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA is not set
+# CONFIG_BOARD_ATNGW100_EVKLCD10X_POW_QVGA is not set
+CONFIG_BOARD_ATNGW100_I2C_GPIO=y
+CONFIG_LOADER_U_BOOT=y
+
+#
+# Atmel AVR32 AP options
+#
+# CONFIG_AP700X_32_BIT_SMC is not set
+CONFIG_AP700X_16_BIT_SMC=y
+# CONFIG_AP700X_8_BIT_SMC is not set
+CONFIG_GPIO_DEV=y
+CONFIG_LOAD_ADDRESS=0x10000000
+CONFIG_ENTRY_ADDRESS=0x90000000
+CONFIG_PHYS_OFFSET=0x10000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+# CONFIG_HAVE_ARCH_BOOTMEM_NODE is not set
+# CONFIG_ARCH_HAVE_MEMORY_PRESENT is not set
+# CONFIG_NEED_NODE_MEMMAP_SIZE is not set
+CONFIG_ARCH_FLATMEM_ENABLE=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+# CONFIG_ARCH_SPARSEMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_OWNERSHIP_TRACE is not set
+CONFIG_NMI_DEBUGGING=y
+CONFIG_DW_DMAC=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_CMDLINE=""
+
+#
+# Power management options
+#
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_PM=y
+# CONFIG_PM_LEGACY is not set
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+
+#
+# CPU Frequency scaling
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+# CONFIG_CPU_FREQ_STAT is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_AT32AP=y
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_XFRM_USER=y
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+# CONFIG_IP_PIMSM_V2 is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+CONFIG_INET_AH=y
+CONFIG_INET_ESP=y
+CONFIG_INET_IPCOMP=y
+CONFIG_INET_XFRM_TUNNEL=y
+CONFIG_INET_TUNNEL=y
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IP_VS is not set
+CONFIG_IPV6=y
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=y
+CONFIG_INET6_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_TRANSPORT=y
+CONFIG_INET6_XFRM_MODE_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_BEET=y
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=y
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_NETWORK_SECMARK is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+# CONFIG_NETFILTER_ADVANCED is not set
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CONNTRACK_FTP=m
+CONFIG_NF_CONNTRACK_IRC=m
+CONFIG_NF_CONNTRACK_SIP=m
+CONFIG_NF_CT_NETLINK=m
+CONFIG_NETFILTER_XTABLES=y
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_CONNTRACK_PROC_COMPAT=y
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_LOG=m
+# CONFIG_IP_NF_TARGET_ULOG is not set
+CONFIG_NF_NAT=m
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_NF_NAT_FTP=m
+CONFIG_NF_NAT_IRC=m
+# CONFIG_NF_NAT_TFTP is not set
+# CONFIG_NF_NAT_AMANDA is not set
+# CONFIG_NF_NAT_PPTP is not set
+# CONFIG_NF_NAT_H323 is not set
+CONFIG_NF_NAT_SIP=m
+CONFIG_IP_NF_MANGLE=m
+
+#
+# IPv6: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_MATCH_IPV6HEADER=m
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_MANGLE=m
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+CONFIG_BRIDGE=m
+CONFIG_VLAN_8021Q=m
+# CONFIG_DECNET is not set
+CONFIG_LLC=m
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x80000000
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UBI_BEB_RESERVE=1
+# CONFIG_MTD_UBI_GLUEBI is not set
+
+#
+# UBI debugging options
+#
+# CONFIG_MTD_UBI_DEBUG is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=m
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ATMEL_PWM is not set
+CONFIG_ATMEL_TCLIB=y
+CONFIG_ATMEL_TCB_CLKSRC=y
+CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ATMEL_SSC is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HAVE_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+CONFIG_MACB=y
+# CONFIG_ENC28J60 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_WAN is not set
+CONFIG_PPP=m
+# CONFIG_PPP_MULTILINK is not set
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+# CONFIG_PPP_SYNC_TTY is not set
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_MPPE=m
+CONFIG_PPPOE=m
+# CONFIG_PPPOL2TP is not set
+# CONFIG_SLIP is not set
+CONFIG_SLHC=m
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=m
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+CONFIG_SERIAL_ATMEL_PDC=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=m
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=m
+
+#
+# I2C Algorithms
+#
+CONFIG_I2C_ALGOBIT=m
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+CONFIG_I2C_ATMELTWI=m
+CONFIG_I2C_GPIO=m
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# SPI support
+#
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+CONFIG_SPI_SPIDEV=m
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_HAVE_GPIO_LIB=y
+
+#
+# GPIO Support
+#
+# CONFIG_DEBUG_GPIO is not set
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_AT32AP700X_WDT=y
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_SYS_FOPS is not set
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_ATMEL=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+# CONFIG_LOGO is not set
+
+#
+# Sound
+#
+CONFIG_SOUND=y
+
+#
+# Advanced Linux Sound Architecture
+#
+CONFIG_SND=y
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+# CONFIG_SND_SEQUENCER is not set
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_DYNAMIC_MINORS is not set
+# CONFIG_SND_SUPPORT_OLD_API is not set
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+
+#
+# Generic devices
+#
+CONFIG_SND_AC97_CODEC=m
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# AVR32 devices
+#
+CONFIG_SND_ATMEL_AC97=m
+
+#
+# SPI devices
+#
+
+#
+# System on Chip audio support
+#
+# CONFIG_SND_SOC is not set
+
+#
+# SoC Audio support for SuperH
+#
+
+#
+# ALSA SoC audio for Freescale SOCs
+#
+
+#
+# Open Sound System
+#
+# CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=m
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+CONFIG_USB_SUPPORT=y
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_USB_ATMEL_USBA=y
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+CONFIG_USB_ZERO=m
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+CONFIG_USB_GADGETFS=m
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+
+#
+# MMC/SD Host Controller Drivers
+#
+CONFIG_MMC_ATMELMCI=y
+# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_GPIO=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_AT32AP700X=y
+
+#
+# Userspace I/O
+#
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=850
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_CONFIGFS_FS=y
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_UBIFS_FS=y
+# CONFIG_UBIFS_FS_XATTR is not set
+# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
+CONFIG_UBIFS_FS_LZO=y
+CONFIG_UBIFS_FS_ZLIB=y
+# CONFIG_UBIFS_FS_DEBUG is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=m
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_NFSD_TCP=y
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=m
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+CONFIG_CIFS=m
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CIFS_WEAK_PW_HASH is not set
+# CONFIG_CIFS_XATTR is not set
+# CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_CIFS_EXPERIMENTAL is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=m
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=m
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
+# CONFIG_CRYPTO_SEQIV is not set
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_SHA1=y
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_XTS is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+CONFIG_CRYPTO_ARC4=m
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+CONFIG_CRYPTO_DEFLATE=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_TEST is not set
+CONFIG_CRYPTO_AUTHENC=y
+CONFIG_CRYPTO_LZO=y
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_CRC_CCITT=m
+CONFIG_CRC16=y
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/avr32/configs/atngw100_evklcd101_defconfig b/arch/avr32/configs/atngw100_evklcd101_defconfig
new file mode 100644
index 00000000000..c5b898d2107
--- /dev/null
+++ b/arch/avr32/configs/atngw100_evklcd101_defconfig
@@ -0,0 +1,1264 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.25.6
+# Wed Jun 18 16:09:32 2008
+#
+CONFIG_AVR32=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_BUG=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BSD_PROCESS_ACCT_V3=y
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_BASE_FULL is not set
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=m
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_HAVE_KPROBES=y
+# CONFIG_HAVE_KRETPROBES is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=1
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type and features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_SUBARCH_AVR32B=y
+CONFIG_MMU=y
+CONFIG_PERFORMANCE_COUNTERS=y
+CONFIG_PLATFORM_AT32AP=y
+CONFIG_CPU_AT32AP700X=y
+CONFIG_CPU_AT32AP7000=y
+# CONFIG_BOARD_ATSTK1000 is not set
+CONFIG_BOARD_ATNGW100=y
+CONFIG_BOARD_ATNGW100_EVKLCD10X=y
+# CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA is not set
+CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA=y
+# CONFIG_BOARD_ATNGW100_EVKLCD10X_POW_QVGA is not set
+CONFIG_BOARD_ATNGW100_I2C_GPIO=y
+CONFIG_LOADER_U_BOOT=y
+
+#
+# Atmel AVR32 AP options
+#
+# CONFIG_AP700X_32_BIT_SMC is not set
+CONFIG_AP700X_16_BIT_SMC=y
+# CONFIG_AP700X_8_BIT_SMC is not set
+CONFIG_GPIO_DEV=y
+CONFIG_LOAD_ADDRESS=0x10000000
+CONFIG_ENTRY_ADDRESS=0x90000000
+CONFIG_PHYS_OFFSET=0x10000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+# CONFIG_HAVE_ARCH_BOOTMEM_NODE is not set
+# CONFIG_ARCH_HAVE_MEMORY_PRESENT is not set
+# CONFIG_NEED_NODE_MEMMAP_SIZE is not set
+CONFIG_ARCH_FLATMEM_ENABLE=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+# CONFIG_ARCH_SPARSEMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_OWNERSHIP_TRACE is not set
+CONFIG_NMI_DEBUGGING=y
+CONFIG_DW_DMAC=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_CMDLINE=""
+
+#
+# Power management options
+#
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_PM=y
+# CONFIG_PM_LEGACY is not set
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+
+#
+# CPU Frequency scaling
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+# CONFIG_CPU_FREQ_STAT is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_AT32AP=y
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_XFRM_USER=y
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+# CONFIG_IP_PIMSM_V2 is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+CONFIG_INET_AH=y
+CONFIG_INET_ESP=y
+CONFIG_INET_IPCOMP=y
+CONFIG_INET_XFRM_TUNNEL=y
+CONFIG_INET_TUNNEL=y
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IP_VS is not set
+CONFIG_IPV6=y
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=y
+CONFIG_INET6_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_TRANSPORT=y
+CONFIG_INET6_XFRM_MODE_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_BEET=y
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=y
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_NETWORK_SECMARK is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+# CONFIG_NETFILTER_ADVANCED is not set
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CONNTRACK_FTP=m
+CONFIG_NF_CONNTRACK_IRC=m
+CONFIG_NF_CONNTRACK_SIP=m
+CONFIG_NF_CT_NETLINK=m
+CONFIG_NETFILTER_XTABLES=y
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_CONNTRACK_PROC_COMPAT=y
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_LOG=m
+# CONFIG_IP_NF_TARGET_ULOG is not set
+CONFIG_NF_NAT=m
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_NF_NAT_FTP=m
+CONFIG_NF_NAT_IRC=m
+# CONFIG_NF_NAT_TFTP is not set
+# CONFIG_NF_NAT_AMANDA is not set
+# CONFIG_NF_NAT_PPTP is not set
+# CONFIG_NF_NAT_H323 is not set
+CONFIG_NF_NAT_SIP=m
+CONFIG_IP_NF_MANGLE=m
+
+#
+# IPv6: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_MATCH_IPV6HEADER=m
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_MANGLE=m
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+CONFIG_BRIDGE=m
+CONFIG_VLAN_8021Q=m
+# CONFIG_DECNET is not set
+CONFIG_LLC=m
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x80000000
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UBI_BEB_RESERVE=1
+# CONFIG_MTD_UBI_GLUEBI is not set
+
+#
+# UBI debugging options
+#
+# CONFIG_MTD_UBI_DEBUG is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=m
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ATMEL_PWM is not set
+CONFIG_ATMEL_TCLIB=y
+CONFIG_ATMEL_TCB_CLKSRC=y
+CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ATMEL_SSC is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HAVE_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+CONFIG_MACB=y
+# CONFIG_ENC28J60 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_WAN is not set
+CONFIG_PPP=m
+# CONFIG_PPP_MULTILINK is not set
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+# CONFIG_PPP_SYNC_TTY is not set
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_MPPE=m
+CONFIG_PPPOE=m
+# CONFIG_PPPOL2TP is not set
+# CONFIG_SLIP is not set
+CONFIG_SLHC=m
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=m
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+CONFIG_SERIAL_ATMEL_PDC=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=m
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=m
+
+#
+# I2C Algorithms
+#
+CONFIG_I2C_ALGOBIT=m
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+CONFIG_I2C_ATMELTWI=m
+CONFIG_I2C_GPIO=m
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# SPI support
+#
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+CONFIG_SPI_SPIDEV=m
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_HAVE_GPIO_LIB=y
+
+#
+# GPIO Support
+#
+# CONFIG_DEBUG_GPIO is not set
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_AT32AP700X_WDT=y
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_SYS_FOPS is not set
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_ATMEL=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+# CONFIG_LOGO is not set
+
+#
+# Sound
+#
+CONFIG_SOUND=y
+
+#
+# Advanced Linux Sound Architecture
+#
+CONFIG_SND=y
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+# CONFIG_SND_SEQUENCER is not set
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_DYNAMIC_MINORS is not set
+# CONFIG_SND_SUPPORT_OLD_API is not set
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+
+#
+# Generic devices
+#
+CONFIG_SND_AC97_CODEC=m
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# AVR32 devices
+#
+CONFIG_SND_ATMEL_AC97=m
+
+#
+# SPI devices
+#
+
+#
+# System on Chip audio support
+#
+# CONFIG_SND_SOC is not set
+
+#
+# SoC Audio support for SuperH
+#
+
+#
+# ALSA SoC audio for Freescale SOCs
+#
+
+#
+# Open Sound System
+#
+# CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=m
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+CONFIG_USB_SUPPORT=y
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_USB_ATMEL_USBA=y
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+CONFIG_USB_ZERO=m
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+CONFIG_USB_GADGETFS=m
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+
+#
+# MMC/SD Host Controller Drivers
+#
+CONFIG_MMC_ATMELMCI=y
+# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_GPIO=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_AT32AP700X=y
+
+#
+# Userspace I/O
+#
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=850
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_CONFIGFS_FS=y
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_UBIFS_FS=y
+# CONFIG_UBIFS_FS_XATTR is not set
+# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
+CONFIG_UBIFS_FS_LZO=y
+CONFIG_UBIFS_FS_ZLIB=y
+# CONFIG_UBIFS_FS_DEBUG is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=m
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_NFSD_TCP=y
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=m
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+CONFIG_CIFS=m
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CIFS_WEAK_PW_HASH is not set
+# CONFIG_CIFS_XATTR is not set
+# CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_CIFS_EXPERIMENTAL is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=m
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=m
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
+# CONFIG_CRYPTO_SEQIV is not set
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_SHA1=y
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_XTS is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+CONFIG_CRYPTO_ARC4=m
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+CONFIG_CRYPTO_DEFLATE=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_TEST is not set
+CONFIG_CRYPTO_AUTHENC=y
+CONFIG_CRYPTO_LZO=y
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_CRC_CCITT=m
+CONFIG_CRC16=y
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
-- 
GitLab


From f0c0a376d0fcd4c5579ecf5e95f88387cba85211 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sun, 17 Aug 2008 15:24:38 -0500
Subject: [PATCH 0381/2224] [SCSI] Add helper code so transport classes/driver
 can control queueing (v3)

SCSI-ml manages the queueing limits for the device and host, but
does not do so at the target level. However something something similar
can come in userful when a driver is transitioning a transport object to
the the blocked state, becuase at that time we do not want to queue
io and we do not want the queuecommand to be called again.

The patch adds code similar to the exisiting SCSI_ML_*BUSY handlers.
You can now return SCSI_MLQUEUE_TARGET_BUSY when we hit
a transport level queueing issue like the hw cannot allocate some
resource at the iscsi session/connection level, or the target has temporarily
closed or shrunk the queueing window, or if we are transitioning
to the blocked state.

bnx2i, when they rework their firmware according to netdev
developers requests, will also need to be able to limit queueing at this
level. bnx2i will hook into libiscsi, but will allocate a scsi host per
netdevice/hba, so unlike pure software iscsi/iser which is allocating
a host per session, it cannot set the scsi_host->can_queue and return
SCSI_MLQUEUE_HOST_BUSY to reflect queueing limits on the transport.

The iscsi class/driver can also set a scsi_target->can_queue value which
reflects the max commands the driver/class can support. For iscsi this
reflects the number of commands we can support for each session due to
session/connection hw limits, driver limits, and to also reflect the
session/targets's queueing window.

Changes:
v1 - initial patch.
v2 - Fix scsi_run_queue handling of multiple blocked targets.
Previously we would break from the main loop if a device was added back on
the starved list. We now run over the list and check if any target is
blocked.
v3 - Rediff for scsi-misc.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi.c        |  10 +++-
 drivers/scsi/scsi_lib.c    | 104 +++++++++++++++++++++++++++++++------
 drivers/scsi/scsi_scan.c   |   1 +
 include/scsi/scsi.h        |   1 +
 include/scsi/scsi_device.h |  10 ++++
 5 files changed, 108 insertions(+), 18 deletions(-)

diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 2ac3cb2b908..f8b79d401d5 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -754,8 +754,12 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
 	}
 	spin_unlock_irqrestore(host->host_lock, flags);
 	if (rtn) {
-		scsi_queue_insert(cmd, (rtn == SCSI_MLQUEUE_DEVICE_BUSY) ?
-						rtn : SCSI_MLQUEUE_HOST_BUSY);
+		if (rtn != SCSI_MLQUEUE_DEVICE_BUSY &&
+		    rtn != SCSI_MLQUEUE_TARGET_BUSY)
+			rtn = SCSI_MLQUEUE_HOST_BUSY;
+
+		scsi_queue_insert(cmd, rtn);
+
 		SCSI_LOG_MLQUEUE(3,
 		    printk("queuecommand : request rejected\n"));
 	}
@@ -800,6 +804,7 @@ static struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
 void scsi_finish_command(struct scsi_cmnd *cmd)
 {
 	struct scsi_device *sdev = cmd->device;
+	struct scsi_target *starget = scsi_target(sdev);
 	struct Scsi_Host *shost = sdev->host;
 	struct scsi_driver *drv;
 	unsigned int good_bytes;
@@ -815,6 +820,7 @@ void scsi_finish_command(struct scsi_cmnd *cmd)
 	 * XXX(hch): What about locking?
          */
         shost->host_blocked = 0;
+	starget->target_blocked = 0;
         sdev->device_blocked = 0;
 
 	/*
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 98ee55ced59..91c74c55aa5 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -114,6 +114,7 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
 {
 	struct Scsi_Host *host = cmd->device->host;
 	struct scsi_device *device = cmd->device;
+	struct scsi_target *starget = scsi_target(device);
 	struct request_queue *q = device->request_queue;
 	unsigned long flags;
 
@@ -133,10 +134,17 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
 	 * if a command is requeued with no other commands outstanding
 	 * either for the device or for the host.
 	 */
-	if (reason == SCSI_MLQUEUE_HOST_BUSY)
+	switch (reason) {
+	case SCSI_MLQUEUE_HOST_BUSY:
 		host->host_blocked = host->max_host_blocked;
-	else if (reason == SCSI_MLQUEUE_DEVICE_BUSY)
+		break;
+	case SCSI_MLQUEUE_DEVICE_BUSY:
 		device->device_blocked = device->max_device_blocked;
+		break;
+	case SCSI_MLQUEUE_TARGET_BUSY:
+		starget->target_blocked = starget->max_target_blocked;
+		break;
+	}
 
 	/*
 	 * Decrement the counters, since these commands are no longer
@@ -460,10 +468,12 @@ static void scsi_init_cmd_errh(struct scsi_cmnd *cmd)
 void scsi_device_unbusy(struct scsi_device *sdev)
 {
 	struct Scsi_Host *shost = sdev->host;
+	struct scsi_target *starget = scsi_target(sdev);
 	unsigned long flags;
 
 	spin_lock_irqsave(shost->host_lock, flags);
 	shost->host_busy--;
+	starget->target_busy--;
 	if (unlikely(scsi_host_in_recovery(shost) &&
 		     (shost->host_failed || shost->host_eh_scheduled)))
 		scsi_eh_wakeup(shost);
@@ -519,6 +529,13 @@ static void scsi_single_lun_run(struct scsi_device *current_sdev)
 	spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
+static inline int scsi_target_is_busy(struct scsi_target *starget)
+{
+	return ((starget->can_queue > 0 &&
+		 starget->target_busy >= starget->can_queue) ||
+		 starget->target_blocked);
+}
+
 /*
  * Function:	scsi_run_queue()
  *
@@ -533,7 +550,7 @@ static void scsi_single_lun_run(struct scsi_device *current_sdev)
  */
 static void scsi_run_queue(struct request_queue *q)
 {
-	struct scsi_device *sdev = q->queuedata;
+	struct scsi_device *starved_head = NULL, *sdev = q->queuedata;
 	struct Scsi_Host *shost = sdev->host;
 	unsigned long flags;
 
@@ -560,6 +577,21 @@ static void scsi_run_queue(struct request_queue *q)
 		 */
 		sdev = list_entry(shost->starved_list.next,
 					  struct scsi_device, starved_entry);
+		/*
+		 * The *queue_ready functions can add a device back onto the
+		 * starved list's tail, so we must check for a infinite loop.
+		 */
+		if (sdev == starved_head)
+			break;
+		if (!starved_head)
+			starved_head = sdev;
+
+		if (scsi_target_is_busy(scsi_target(sdev))) {
+			list_move_tail(&sdev->starved_entry,
+				       &shost->starved_list);
+			continue;
+		}
+
 		list_del_init(&sdev->starved_entry);
 		spin_unlock(shost->host_lock);
 
@@ -575,13 +607,6 @@ static void scsi_run_queue(struct request_queue *q)
 		spin_unlock(sdev->request_queue->queue_lock);
 
 		spin_lock(shost->host_lock);
-		if (unlikely(!list_empty(&sdev->starved_entry)))
-			/*
-			 * sdev lost a race, and was put back on the
-			 * starved list. This is unlikely but without this
-			 * in theory we could loop forever.
-			 */
-			break;
 	}
 	spin_unlock_irqrestore(shost->host_lock, flags);
 
@@ -1344,6 +1369,52 @@ static inline int scsi_dev_queue_ready(struct request_queue *q,
 	return 1;
 }
 
+
+/*
+ * scsi_target_queue_ready: checks if there we can send commands to target
+ * @sdev: scsi device on starget to check.
+ *
+ * Called with the host lock held.
+ */
+static inline int scsi_target_queue_ready(struct Scsi_Host *shost,
+					   struct scsi_device *sdev)
+{
+	struct scsi_target *starget = scsi_target(sdev);
+
+	if (starget->single_lun) {
+		if (starget->starget_sdev_user &&
+		    starget->starget_sdev_user != sdev)
+			return 0;
+		starget->starget_sdev_user = sdev;
+	}
+
+	if (starget->target_busy == 0 && starget->target_blocked) {
+		/*
+		 * unblock after target_blocked iterates to zero
+		 */
+		if (--starget->target_blocked == 0) {
+			SCSI_LOG_MLQUEUE(3, starget_printk(KERN_INFO, starget,
+					 "unblocking target at zero depth\n"));
+		} else {
+			blk_plug_device(sdev->request_queue);
+			return 0;
+		}
+	}
+
+	if (scsi_target_is_busy(starget)) {
+		if (list_empty(&sdev->starved_entry)) {
+			list_add_tail(&sdev->starved_entry,
+				      &shost->starved_list);
+			return 0;
+		}
+	}
+
+	/* We're OK to process the command, so we can't be starved */
+	if (!list_empty(&sdev->starved_entry))
+		list_del_init(&sdev->starved_entry);
+	return 1;
+}
+
 /*
  * scsi_host_queue_ready: if we can send requests to shost, return 1 else
  * return 0. We must end up running the queue again whenever 0 is
@@ -1390,6 +1461,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
 {
 	struct scsi_cmnd *cmd = req->special;
 	struct scsi_device *sdev = cmd->device;
+	struct scsi_target *starget = scsi_target(sdev);
 	struct Scsi_Host *shost = sdev->host;
 
 	blkdev_dequeue_request(req);
@@ -1413,6 +1485,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q)
 	spin_unlock(sdev->request_queue->queue_lock);
 	spin_lock(shost->host_lock);
 	shost->host_busy++;
+	starget->target_busy++;
 	spin_unlock(shost->host_lock);
 	spin_lock(sdev->request_queue->queue_lock);
 
@@ -1550,14 +1623,13 @@ static void scsi_request_fn(struct request_queue *q)
 			goto not_ready;
 		}
 
+		if (!scsi_target_queue_ready(shost, sdev))
+			goto not_ready;
+
 		if (!scsi_host_queue_ready(q, shost, sdev))
 			goto not_ready;
-		if (scsi_target(sdev)->single_lun) {
-			if (scsi_target(sdev)->starget_sdev_user &&
-			    scsi_target(sdev)->starget_sdev_user != sdev)
-				goto not_ready;
-			scsi_target(sdev)->starget_sdev_user = sdev;
-		}
+
+		scsi_target(sdev)->target_busy++;
 		shost->host_busy++;
 
 		/*
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 334862e26a1..b14dc02c3de 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -419,6 +419,7 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
 	dev->type = &scsi_target_type;
 	starget->id = id;
 	starget->channel = channel;
+	starget->can_queue = 0;
 	INIT_LIST_HEAD(&starget->siblings);
 	INIT_LIST_HEAD(&starget->devices);
 	starget->state = STARGET_CREATED;
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 192f8716aa9..3a5662b2817 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -426,6 +426,7 @@ static inline int scsi_is_wlun(unsigned int lun)
 #define SCSI_MLQUEUE_HOST_BUSY   0x1055
 #define SCSI_MLQUEUE_DEVICE_BUSY 0x1056
 #define SCSI_MLQUEUE_EH_RETRY    0x1057
+#define SCSI_MLQUEUE_TARGET_BUSY 0x1058
 
 /*
  *  Use these to separate status msg and our bytes
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index b49e725be03..a37a8148a31 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -238,6 +238,16 @@ struct scsi_target {
 						 * for the device at a time. */
 	unsigned int		pdt_1f_for_no_lun;	/* PDT = 0x1f */
 						/* means no lun present */
+	/* commands actually active on LLD. protected by host lock. */
+	unsigned int		target_busy;
+	/*
+	 * LLDs should set this in the slave_alloc host template callout.
+	 * If set to zero then there is not limit.
+	 */
+	unsigned int		can_queue;
+	unsigned int		target_blocked;
+	unsigned int		max_target_blocked;
+#define SCSI_DEFAULT_TARGET_BLOCKED	3
 
 	char			scsi_level;
 	struct execute_work	ew;
-- 
GitLab


From c5e98e912c5423a0ec2eed7aa1064578d44f8a8e Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sun, 17 Aug 2008 15:24:39 -0500
Subject: [PATCH 0382/2224] [SCSI] qla4xxx: return SCSI_MLQUEUE_TARGET_BUSY
 when driver has detected session error

When qla4xxx begins recovery and the iscsi class is firing up to handle
it, we need to retrn SCSI_MLQUEUE_TARGET_BUSY from the driver instead
of host busy, because the session recovery only affects the one target.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: David C Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/qla4xxx/ql4_os.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index de8279ad7d8..4255b36ff96 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -439,7 +439,7 @@ static int qla4xxx_queuecommand(struct scsi_cmnd *cmd,
 			cmd->result = DID_NO_CONNECT << 16;
 			goto qc_fail_command;
 		}
-		goto qc_host_busy;
+		return SCSI_MLQUEUE_TARGET_BUSY;
 	}
 
 	if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags))
-- 
GitLab


From 7b594131c4f38edeb13d8c6c0147949173c47013 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sun, 17 Aug 2008 15:24:40 -0500
Subject: [PATCH 0383/2224] [SCSI] qla2xxx: return SCSI_MLQUEUE_TARGET_BUSY
 when driver has detected rport error or race

If the fcport is not online then we do not want to block IO to all ports on
the host. We just want to stop IO on port not online, so we should be using
the SCSI_MLQUEUE_TARGET_BUSY return value.

For the case where we race with the rport memset initialization
we do not want the queuecommand to be called again so we can just use
SCSI_MLQUEUE_TARGET_BUSY for this.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/qla2xxx/qla_os.c | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 3433441b956..2aed4721c0d 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -394,10 +394,8 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 	}
 
 	/* Close window on fcport/rport state-transitioning. */
-	if (fcport->drport) {
-		cmd->result = DID_IMM_RETRY << 16;
-		goto qc_fail_command;
-	}
+	if (fcport->drport)
+		goto qc_target_busy;
 
 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
@@ -405,7 +403,7 @@ qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 			cmd->result = DID_NO_CONNECT << 16;
 			goto qc_fail_command;
 		}
-		goto qc_host_busy;
+		goto qc_target_busy;
 	}
 
 	spin_unlock_irq(ha->host->host_lock);
@@ -428,10 +426,11 @@ qc_host_busy_free_sp:
 
 qc_host_busy_lock:
 	spin_lock_irq(ha->host->host_lock);
-
-qc_host_busy:
 	return SCSI_MLQUEUE_HOST_BUSY;
 
+qc_target_busy:
+	return SCSI_MLQUEUE_TARGET_BUSY;
+
 qc_fail_command:
 	done(cmd);
 
@@ -461,10 +460,8 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 	}
 
 	/* Close window on fcport/rport state-transitioning. */
-	if (fcport->drport) {
-		cmd->result = DID_IMM_RETRY << 16;
-		goto qc24_fail_command;
-	}
+	if (fcport->drport)
+		goto qc24_target_busy;
 
 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
@@ -472,7 +469,7 @@ qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 			cmd->result = DID_NO_CONNECT << 16;
 			goto qc24_fail_command;
 		}
-		goto qc24_host_busy;
+		goto qc24_target_busy;
 	}
 
 	spin_unlock_irq(ha->host->host_lock);
@@ -495,10 +492,11 @@ qc24_host_busy_free_sp:
 
 qc24_host_busy_lock:
 	spin_lock_irq(ha->host->host_lock);
-
-qc24_host_busy:
 	return SCSI_MLQUEUE_HOST_BUSY;
 
+qc24_target_busy:
+	return SCSI_MLQUEUE_TARGET_BUSY;
+
 qc24_fail_command:
 	done(cmd);
 
-- 
GitLab


From d6d13ee19da6d291c99f980dcb76f6b7dc676804 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sun, 17 Aug 2008 15:24:43 -0500
Subject: [PATCH 0384/2224] [SCSI] libiscsi: Use SCSI_MLQUEUE_TARGET_BUSY

For the conditions below we do not want the queuecommand
function to call us right back, so return SCSI_MLQUEUE_TARGET_BUSY.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/libiscsi.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index da7b67d30d9..521dbf7e521 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1194,12 +1194,10 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
 		switch (session->state) {
 		case ISCSI_STATE_IN_RECOVERY:
 			reason = FAILURE_SESSION_IN_RECOVERY;
-			sc->result = DID_IMM_RETRY << 16;
-			break;
+			goto reject;
 		case ISCSI_STATE_LOGGING_OUT:
 			reason = FAILURE_SESSION_LOGGING_OUT;
-			sc->result = DID_IMM_RETRY << 16;
-			break;
+			goto reject;
 		case ISCSI_STATE_RECOVERY_FAILED:
 			reason = FAILURE_SESSION_RECOVERY_TIMEOUT;
 			sc->result = DID_NO_CONNECT << 16;
@@ -1267,7 +1265,7 @@ reject:
 	spin_unlock(&session->lock);
 	debug_scsi("cmd 0x%x rejected (%d)\n", sc->cmnd[0], reason);
 	spin_lock(host->host_lock);
-	return SCSI_MLQUEUE_HOST_BUSY;
+	return SCSI_MLQUEUE_TARGET_BUSY;
 
 fault:
 	spin_unlock(&session->lock);
-- 
GitLab


From a93ce0244f2e94dd48e0b4a2742a4e3bf196ab53 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sun, 17 Aug 2008 15:24:41 -0500
Subject: [PATCH 0385/2224] [SCSI] lpfc: use SCSI_MLQUEUE_TARGET_BUSY when
 catching the rport transition race

We do want to call right back into the queuecommand during the race,
so we can just use SCSI_MLQUEUE_TARGET_BUSY.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc_scsi.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 1bcebbd3dfa..a22bdf9548a 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -966,10 +966,9 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	 * Catch race where our node has transitioned, but the
 	 * transport is still transitioning.
 	 */
-	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
-		cmnd->result = ScsiResult(DID_BUS_BUSY, 0);
-		goto out_fail_command;
-	}
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
+		goto out_target_busy;
+
 	lpfc_cmd = lpfc_get_scsi_buf(phba);
 	if (lpfc_cmd == NULL) {
 		lpfc_adjust_queue_depth(phba);
@@ -1014,6 +1013,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	lpfc_release_scsi_buf(phba, lpfc_cmd);
  out_host_busy:
 	return SCSI_MLQUEUE_HOST_BUSY;
+ out_target_busy:
+	return SCSI_MLQUEUE_TARGET_BUSY;
 
  out_fail_command:
 	done(cmnd);
-- 
GitLab


From fff9d40ce0eb4b46f3e186823ceab6bc02c3e5d3 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:23 -0500
Subject: [PATCH 0386/2224] [SCSI] fc class: unblock target after calling
 terminate callback (take 2)

When we block a rport and the driver implements the terminate
callback we will fail IO that was running quickly. However
IO that was in the scsi_device/block queue sits there until
the dev_loss_tmo fires, and this can make it look like IO is
lost because new IO will get executed but that IO stuck in
the blocked queue sits there for some time longer.

With this patch when the fast io fail tmo fires, we will
fail the blocked IO and any new IO. This patch also allows
all drivers to partially support the fast io fail tmo. If the
terminate io callback is not implemented, we will still fail blocked
IO and any new IO, so multipath can handle that.

This patch also allows the fc and iscsi classes to implement the
same behavior. The timers are just unfornately named differently.

This patch also fixes the problem where drivers were unblocking
the target in their terminate callback, which was needed for
rport removal, but for fast io fail timeout it would cause
IO to bounce arround the scsi/block layer and the LLD queuecommand.
And it for drivers that could have IO stuck but did not have
a terminate callback the unblock calls in the class will fix
them.

v2.
- fix up bit setting style to meet JamesS's pref.
- Broke out new host byte error changes to make it easier to read.
- added JamesS's ack from list.
v1
- initial patch

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_transport_fc.c | 47 +++++++++++++++++++-------------
 include/scsi/scsi_transport_fc.h |  6 +++-
 2 files changed, 33 insertions(+), 20 deletions(-)

diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index d5f7653bb94..1e71abf0607 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -2133,8 +2133,7 @@ fc_attach_transport(struct fc_function_template *ft)
 	SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(roles);
 	SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(port_state);
 	SETUP_PRIVATE_RPORT_ATTRIBUTE_RD(scsi_target_id);
-	if (ft->terminate_rport_io)
-		SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo);
+	SETUP_PRIVATE_RPORT_ATTRIBUTE_RW(fast_io_fail_tmo);
 
 	BUG_ON(count > FC_RPORT_NUM_ATTRS);
 
@@ -2328,6 +2327,22 @@ fc_remove_host(struct Scsi_Host *shost)
 }
 EXPORT_SYMBOL(fc_remove_host);
 
+static void fc_terminate_rport_io(struct fc_rport *rport)
+{
+	struct Scsi_Host *shost = rport_to_shost(rport);
+	struct fc_internal *i = to_fc_internal(shost->transportt);
+
+	/* Involve the LLDD if possible to terminate all io on the rport. */
+	if (i->f->terminate_rport_io)
+		i->f->terminate_rport_io(rport);
+
+	/*
+	 * must unblock to flush queued IO. The caller will have set
+	 * the port_state or flags, so that fc_remote_port_chkready will
+	 * fail IO.
+	 */
+	scsi_target_unblock(&rport->dev);
+}
 
 /**
  * fc_starget_delete - called to delete the scsi decendents of an rport
@@ -2340,13 +2355,8 @@ fc_starget_delete(struct work_struct *work)
 {
 	struct fc_rport *rport =
 		container_of(work, struct fc_rport, stgt_delete_work);
-	struct Scsi_Host *shost = rport_to_shost(rport);
-	struct fc_internal *i = to_fc_internal(shost->transportt);
-
-	/* Involve the LLDD if possible to terminate all io on the rport. */
-	if (i->f->terminate_rport_io)
-		i->f->terminate_rport_io(rport);
 
+	fc_terminate_rport_io(rport);
 	scsi_remove_target(&rport->dev);
 }
 
@@ -2372,10 +2382,7 @@ fc_rport_final_delete(struct work_struct *work)
 	if (rport->flags & FC_RPORT_SCAN_PENDING)
 		scsi_flush_work(shost);
 
-	/* involve the LLDD to terminate all pending i/o */
-	if (i->f->terminate_rport_io)
-		i->f->terminate_rport_io(rport);
-
+	fc_terminate_rport_io(rport);
 	/*
 	 * Cancel any outstanding timers. These should really exist
 	 * only when rmmod'ing the LLDD and we're asking for
@@ -2639,7 +2646,8 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel,
 
 				spin_lock_irqsave(shost->host_lock, flags);
 
-				rport->flags &= ~FC_RPORT_DEVLOSS_PENDING;
+				rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT |
+						  FC_RPORT_DEVLOSS_PENDING);
 
 				/* if target, initiate a scan */
 				if (rport->scsi_target_id != -1) {
@@ -2702,6 +2710,7 @@ fc_remote_port_add(struct Scsi_Host *shost, int channel,
 			rport->port_id = ids->port_id;
 			rport->roles = ids->roles;
 			rport->port_state = FC_PORTSTATE_ONLINE;
+			rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT;
 
 			if (fci->f->dd_fcrport_size)
 				memset(rport->dd_data, 0,
@@ -2784,7 +2793,6 @@ void
 fc_remote_port_delete(struct fc_rport  *rport)
 {
 	struct Scsi_Host *shost = rport_to_shost(rport);
-	struct fc_internal *i = to_fc_internal(shost->transportt);
 	int timeout = rport->dev_loss_tmo;
 	unsigned long flags;
 
@@ -2830,7 +2838,7 @@ fc_remote_port_delete(struct fc_rport  *rport)
 
 	/* see if we need to kill io faster than waiting for device loss */
 	if ((rport->fast_io_fail_tmo != -1) &&
-	    (rport->fast_io_fail_tmo < timeout) && (i->f->terminate_rport_io))
+	    (rport->fast_io_fail_tmo < timeout))
 		fc_queue_devloss_work(shost, &rport->fail_io_work,
 					rport->fast_io_fail_tmo * HZ);
 
@@ -2906,7 +2914,8 @@ fc_remote_port_rolechg(struct fc_rport  *rport, u32 roles)
 			fc_flush_devloss(shost);
 
 		spin_lock_irqsave(shost->host_lock, flags);
-		rport->flags &= ~FC_RPORT_DEVLOSS_PENDING;
+		rport->flags &= ~(FC_RPORT_FAST_FAIL_TIMEDOUT |
+				  FC_RPORT_DEVLOSS_PENDING);
 		spin_unlock_irqrestore(shost->host_lock, flags);
 
 		/* ensure any stgt delete functions are done */
@@ -3001,6 +3010,7 @@ fc_timeout_deleted_rport(struct work_struct *work)
 	rport->supported_classes = FC_COS_UNSPECIFIED;
 	rport->roles = FC_PORT_ROLE_UNKNOWN;
 	rport->port_state = FC_PORTSTATE_NOTPRESENT;
+	rport->flags &= ~FC_RPORT_FAST_FAIL_TIMEDOUT;
 
 	/* remove the identifiers that aren't used in the consisting binding */
 	switch (fc_host->tgtid_bind_type) {
@@ -3043,13 +3053,12 @@ fc_timeout_fail_rport_io(struct work_struct *work)
 {
 	struct fc_rport *rport =
 		container_of(work, struct fc_rport, fail_io_work.work);
-	struct Scsi_Host *shost = rport_to_shost(rport);
-	struct fc_internal *i = to_fc_internal(shost->transportt);
 
 	if (rport->port_state != FC_PORTSTATE_BLOCKED)
 		return;
 
-	i->f->terminate_rport_io(rport);
+	rport->flags |= FC_RPORT_FAST_FAIL_TIMEDOUT;
+	fc_terminate_rport_io(rport);
 }
 
 /**
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 21018a4df45..fb8d0137066 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -357,6 +357,7 @@ struct fc_rport {	/* aka fc_starget_attrs */
 /* bit field values for struct fc_rport "flags" field: */
 #define FC_RPORT_DEVLOSS_PENDING	0x01
 #define FC_RPORT_SCAN_PENDING		0x02
+#define FC_RPORT_FAST_FAIL_TIMEDOUT	0x03
 
 #define	dev_to_rport(d)				\
 	container_of(d, struct fc_rport, dev)
@@ -683,7 +684,10 @@ fc_remote_port_chkready(struct fc_rport *rport)
 			result = DID_NO_CONNECT << 16;
 		break;
 	case FC_PORTSTATE_BLOCKED:
-		result = DID_IMM_RETRY << 16;
+		if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)
+			result = DID_NO_CONNECT << 16;
+		else
+			result = DID_IMM_RETRY << 16;
 		break;
 	default:
 		result = DID_NO_CONNECT << 16;
-- 
GitLab


From 9cc328f502eacfcc52ab1c1bf9a7729cf12f14be Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:24 -0500
Subject: [PATCH 0387/2224] [SCSI] ibmvfc, qla2xxx, lpfc: remove
 scsi_target_unblock calls in terminate callbacks

The fc class now calls scsi_target_unblock after calling the
terminate callback, so this patch removes the calls from the
drivers.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/ibmvscsi/ibmvfc.c   | 2 --
 drivers/scsi/lpfc/lpfc_hbadisc.c | 8 --------
 drivers/scsi/qla2xxx/qla_attr.c  | 1 -
 3 files changed, 11 deletions(-)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 4e0b7c8eb32..7650707a40d 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2031,8 +2031,6 @@ static void ibmvfc_terminate_rport_io(struct fc_rport *rport)
 		spin_unlock_irqrestore(shost->host_lock, flags);
 	} else
 		ibmvfc_issue_fc_host_lip(shost);
-
-	scsi_target_unblock(&rport->dev);
 	LEAVE;
 }
 
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index a98d11bf357..aaf398e5c93 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -88,14 +88,6 @@ lpfc_terminate_rport_io(struct fc_rport *rport)
 			&phba->sli.ring[phba->sli.fcp_ring],
 			ndlp->nlp_sid, 0, LPFC_CTX_TGT);
 	}
-
-	/*
-	 * A device is normally blocked for rediscovery and unblocked when
-	 * devloss timeout happens.  In case a vport is removed or driver
-	 * unloaded before devloss timeout happens, we need to unblock here.
-	 */
-	scsi_target_unblock(&rport->dev);
-	return;
 }
 
 /*
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 0ddfe7106b3..ed731968f15 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1006,7 +1006,6 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
 	}
 
 	qla2x00_abort_fcport_cmds(fcport);
-	scsi_target_unblock(&rport->dev);
 }
 
 static int
-- 
GitLab


From a4dfaa6f2e55b736adf2719133996f7e7dc309bc Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:25 -0500
Subject: [PATCH 0388/2224] [SCSI] scsi: add transport host byte errors (v3)

Currently, if there is a transport problem the iscsi drivers will return
outstanding commands (commands being exeucted by the driver/fw/hw) with
DID_BUS_BUSY and block the session so no new commands can be queued.
Commands that are caught between the failure handling and blocking are
failed with DID_IMM_RETRY or one of the scsi ml queuecommand return values.
When the recovery_timeout fires, the iscsi drivers then fail IO with
DID_NO_CONNECT.

For fcp, some drivers will fail some outstanding IO (disk but possibly not
tape) with DID_BUS_BUSY or DID_ERROR or some other value that causes a retry
and hits the scsi_error.c failfast check, block the rport, and commands
caught in the race are failed with DID_IMM_RETRY. Other drivers, may
hold onto all IO and wait for the terminate_rport_io or dev_loss_tmo_callbk
to be called.

The following patches attempt to unify what upper layers will see drivers
like multipath can make a good guess. This relies on drivers being
hooked into their transport class.

This first patch just defines two new host byte errors so drivers can
return the same value for when a rport/session is blocked and for
when the fast_io_fail_tmo fires.

The idea is that if the LLD/class detects a problem and is going to block
a rport/session, then if the LLD wants or must return the command to scsi-ml,
then it can return it with DID_TRANSPORT_DISRUPTED. This will requeue
the IO into the same scsi queue it came from, until the fast io fail timer
fires and the class decides what to do.

When using multipath and the fast_io_fail_tmo fires then the class
can fail commands with DID_TRANSPORT_FAILFAST or drivers can use
DID_TRANSPORT_FAILFAST in their terminate_rport_io callbacks or
the equivlent in iscsi if we ever implement more advanced recovery methods.
A LLD, like lpfc, could continue to return DID_ERROR and then it will hit
the normal failfast path, so drivers do not have fully be ported to
work better. The point of the patches is that upper layers will
not see a failure that could be recovered from while the rport/session is
blocked until fast_io_fail_tmo/recovery_timeout fires.

V3
Remove some comments.
V2
Fixed patch/diff errors and renamed DID_TRANSPORT_BLOCKED to
DID_TRANSPORT_DISRUPTED.
V1
initial patch.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/constants.c  |  3 ++-
 drivers/scsi/scsi_error.c | 15 ++++++++++++++-
 include/scsi/scsi.h       |  5 +++++
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index 9785d738419..4003deefb7d 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -1364,7 +1364,8 @@ EXPORT_SYMBOL(scsi_print_sense);
 static const char * const hostbyte_table[]={
 "DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET",
 "DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR",
-"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE"};
+"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE",
+"DID_TRANSPORT_DISRUPTED", "DID_TRANSPORT_FAILFAST" };
 #define NUM_HOSTBYTE_STRS ARRAY_SIZE(hostbyte_table)
 
 static const char * const driverbyte_table[]={
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index fecefa05cb6..5bf8be21a16 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1290,7 +1290,20 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
 
 	case DID_REQUEUE:
 		return ADD_TO_MLQUEUE;
-
+	case DID_TRANSPORT_DISRUPTED:
+		/*
+		 * LLD/transport was disrupted during processing of the IO.
+		 * The transport class is now blocked/blocking,
+		 * and the transport will decide what to do with the IO
+		 * based on its timers and recovery capablilities.
+		 */
+		return ADD_TO_MLQUEUE;
+	case DID_TRANSPORT_FAILFAST:
+		/*
+		 * The transport decided to failfast the IO (most likely
+		 * the fast io fail tmo fired), so send IO directly upwards.
+		 */
+		return SUCCESS;
 	case DID_ERROR:
 		if (msg_byte(scmd->result) == COMMAND_COMPLETE &&
 		    status_byte(scmd->result) == RESERVATION_CONFLICT)
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 3a5662b2817..a109165714d 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -381,6 +381,11 @@ static inline int scsi_is_wlun(unsigned int lun)
 #define DID_IMM_RETRY   0x0c	/* Retry without decrementing retry count  */
 #define DID_REQUEUE	0x0d	/* Requeue command (no immediate retry) also
 				 * without decrementing the retry count	   */
+#define DID_TRANSPORT_DISRUPTED 0x0e /* Transport error disrupted execution
+				      * and the driver blocked the port to
+				      * recover the link. Transport class will
+				      * retry or fail IO */
+#define DID_TRANSPORT_FAILFAST	0x0f /* Transport class fastfailed the io */
 #define DRIVER_OK       0x00	/* Driver status                           */
 
 /*
-- 
GitLab


From 56d7fcfa815564b40a1b0ec7a30ea8cb3bc0713e Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:26 -0500
Subject: [PATCH 0389/2224] [SCSI] iscsi class, libiscsi and qla4xxx: convert
 to new transport host byte values

This patch converts the iscsi drivers to the new host byte values.

v2
Drop some conversions. Want to avoid conflicts with other patches.
v1
initial patch.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/libiscsi.c             | 8 +++++---
 drivers/scsi/qla4xxx/ql4_isr.c      | 4 ++--
 drivers/scsi/scsi_transport_iscsi.c | 4 ++--
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 521dbf7e521..0e8f26baca6 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1200,7 +1200,7 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
 			goto reject;
 		case ISCSI_STATE_RECOVERY_FAILED:
 			reason = FAILURE_SESSION_RECOVERY_TIMEOUT;
-			sc->result = DID_NO_CONNECT << 16;
+			sc->result = DID_TRANSPORT_FAILFAST << 16;
 			break;
 		case ISCSI_STATE_TERMINATE:
 			reason = FAILURE_SESSION_TERMINATE;
@@ -2333,8 +2333,10 @@ static void iscsi_start_session_recovery(struct iscsi_session *session,
 	 * flush queues.
 	 */
 	spin_lock_bh(&session->lock);
-	fail_all_commands(conn, -1,
-			STOP_CONN_RECOVER ? DID_BUS_BUSY : DID_ERROR);
+	if (STOP_CONN_RECOVER)
+		fail_all_commands(conn, -1, DID_TRANSPORT_DISRUPTED);
+	else
+		fail_all_commands(conn, -1, DID_ERROR);
 	flush_control_queues(session, conn);
 	spin_unlock_bh(&session->lock);
 	mutex_unlock(&session->eh_mutex);
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index a91a57c57bf..799120fcb9b 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -139,7 +139,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 			      ha->host_no, cmd->device->channel,
 			      cmd->device->id, cmd->device->lun));
 
-		cmd->result = DID_BUS_BUSY << 16;
+		cmd->result = DID_TRANSPORT_DISRUPTED << 16;
 
 		/*
 		 * Mark device missing so that we won't continue to send
@@ -243,7 +243,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
 		if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
 			qla4xxx_mark_device_missing(ha, ddb_entry);
 
-		cmd->result = DID_BUS_BUSY << 16;
+		cmd->result = DID_TRANSPORT_DISRUPTED << 16;
 		break;
 
 	case SCS_QUEUE_FULL:
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 0ce5f7cdfe2..cbaae48f47e 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -374,10 +374,10 @@ int iscsi_session_chkready(struct iscsi_cls_session *session)
 		err = 0;
 		break;
 	case ISCSI_SESSION_FAILED:
-		err = DID_IMM_RETRY << 16;
+		err = DID_TRANSPORT_DISRUPTED << 16;
 		break;
 	case ISCSI_SESSION_FREE:
-		err = DID_NO_CONNECT << 16;
+		err = DID_TRANSPORT_FAILFAST << 16;
 		break;
 	default:
 		err = DID_NO_CONNECT << 16;
-- 
GitLab


From f46e307da925a7b71a0018c0510cdc6e588b87fc Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:27 -0500
Subject: [PATCH 0390/2224] [SCSI] fc class: Add support for new transport
 errors

If the target is blocked and fast io fail tmo has not fired
then we requeue with DID_TRANSPORT_DISRUPTED. Once that
tmo fires we fail with DID_TRANSPORT_FAILFAST.

v2
- seperate from
"fc class: unblock target after calling terminate callback"
to make it easier to review.
- Add JamesS's ack from list.
v2
- initial patch

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 include/scsi/scsi_transport_fc.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index fb8d0137066..49d8913c4f8 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -679,15 +679,15 @@ fc_remote_port_chkready(struct fc_rport *rport)
 		if (rport->roles & FC_PORT_ROLE_FCP_TARGET)
 			result = 0;
 		else if (rport->flags & FC_RPORT_DEVLOSS_PENDING)
-			result = DID_IMM_RETRY << 16;
+			result = DID_TRANSPORT_DISRUPTED << 16;
 		else
 			result = DID_NO_CONNECT << 16;
 		break;
 	case FC_PORTSTATE_BLOCKED:
 		if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)
-			result = DID_NO_CONNECT << 16;
+			result = DID_TRANSPORT_FAILFAST << 16;
 		else
-			result = DID_IMM_RETRY << 16;
+			result = DID_TRANSPORT_DISRUPTED << 16;
 		break;
 	default:
 		result = DID_NO_CONNECT << 16;
-- 
GitLab


From 056a44834950ffa51fafa6c76a720fa32e86851a Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:29 -0500
Subject: [PATCH 0391/2224] [SCSI] qla2xxx: use new host byte transport errors.

This has qla2xxx use the new transport error values instead of
DID_BUS_BUSY. I am not sure if all the errors
in qla_isr.c I changed are transport related. We end up blocking/deleting
the rport for all of them so it is better to use the new transport error since
the fc classs will decide when to fail the IO.

With this patch if I pull a cable then IO that had reached
the driver, will be failed with DID_TRANSPORT_DISRUPTED (not including
tape). The fc class will then fail the IO when the fast io fail tmo
has fired, and the driver will flush any other commands running.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/qla2xxx/qla_isr.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index fc4bfa7f839..a76efd99d00 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1187,7 +1187,12 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 		    cp->serial_number, comp_status,
 		    atomic_read(&fcport->state)));
 
-		cp->result = DID_BUS_BUSY << 16;
+		/*
+		 * We are going to have the fc class block the rport
+		 * while we try to recover so instruct the mid layer
+		 * to requeue until the class decides how to handle this.
+		 */
+		cp->result = DID_TRANSPORT_DISRUPTED << 16;
 		if (atomic_read(&fcport->state) == FCS_ONLINE)
 			qla2x00_mark_device_lost(fcport->ha, fcport, 1, 1);
 		break;
@@ -1214,7 +1219,12 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 		break;
 
 	case CS_TIMEOUT:
-		cp->result = DID_BUS_BUSY << 16;
+		/*
+		 * We are going to have the fc class block the rport
+		 * while we try to recover so instruct the mid layer
+		 * to requeue until the class decides how to handle this.
+		 */
+		cp->result = DID_TRANSPORT_DISRUPTED << 16;
 
 		if (IS_FWI2_CAPABLE(ha)) {
 			DEBUG2(printk(KERN_INFO
-- 
GitLab


From 6000a368cd8e6da1caf101411bdb494cd6fb8b09 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:30 -0500
Subject: [PATCH 0392/2224] [SCSI] block: separate failfast into multiple bits.

Multipath is best at handling transport errors. If it gets a device
error then there is not much the multipath layer can do. It will just
access the same device but from a different path.

This patch breaks up failfast into device, transport and driver errors.
The multipath layers (md and dm mutlipath) only ask the lower levels to
fast fail transport errors. The user of failfast, read ahead, will ask
to fast fail on all errors.

Note that blk_noretry_request will return true if any failfast bit
is set. This allows drivers that do not support the multipath failfast
bits to continue to fail on any failfast error like before. Drivers
like scsi that are able to fail fast specific errors can check
for the specific fail fast type. In the next patch I will convert
scsi.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 block/blk-core.c                            | 11 +++++++--
 drivers/md/dm-mpath.c                       |  2 +-
 drivers/md/multipath.c                      |  4 ++--
 drivers/s390/block/dasd_diag.c              |  2 +-
 drivers/s390/block/dasd_eckd.c              |  2 +-
 drivers/s390/block/dasd_fba.c               |  2 +-
 drivers/scsi/device_handler/scsi_dh_alua.c  |  3 ++-
 drivers/scsi/device_handler/scsi_dh_emc.c   |  3 ++-
 drivers/scsi/device_handler/scsi_dh_hp_sw.c |  6 +++--
 drivers/scsi/device_handler/scsi_dh_rdac.c  |  3 ++-
 drivers/scsi/scsi_transport_spi.c           |  4 +++-
 include/linux/bio.h                         | 26 ++++++++++++++-------
 include/linux/blkdev.h                      | 15 +++++++++---
 13 files changed, 57 insertions(+), 26 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 2d053b58441..9e79a485e4f 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1075,8 +1075,15 @@ void init_request_from_bio(struct request *req, struct bio *bio)
 	/*
 	 * inherit FAILFAST from bio (for read-ahead, and explicit FAILFAST)
 	 */
-	if (bio_rw_ahead(bio) || bio_failfast(bio))
-		req->cmd_flags |= REQ_FAILFAST;
+	if (bio_rw_ahead(bio))
+		req->cmd_flags |= (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
+				   REQ_FAILFAST_DRIVER);
+	if (bio_failfast_dev(bio))
+		req->cmd_flags |= REQ_FAILFAST_DEV;
+	if (bio_failfast_transport(bio))
+		req->cmd_flags |= REQ_FAILFAST_TRANSPORT;
+	if (bio_failfast_driver(bio))
+		req->cmd_flags |= REQ_FAILFAST_DRIVER;
 
 	/*
 	 * REQ_BARRIER implies no merging, but lets make it explicit
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 103304c1e3b..9bf3460c554 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -849,7 +849,7 @@ static int multipath_map(struct dm_target *ti, struct bio *bio,
 	dm_bio_record(&mpio->details, bio);
 
 	map_context->ptr = mpio;
-	bio->bi_rw |= (1 << BIO_RW_FAILFAST);
+	bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
 	r = map_io(m, bio, mpio, 0);
 	if (r < 0 || r == DM_MAPIO_REQUEUE)
 		mempool_free(mpio, m->mpio_pool);
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 8bb8794129b..7ae33ebaf7e 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -176,7 +176,7 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
 	mp_bh->bio = *bio;
 	mp_bh->bio.bi_sector += multipath->rdev->data_offset;
 	mp_bh->bio.bi_bdev = multipath->rdev->bdev;
-	mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST);
+	mp_bh->bio.bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
 	mp_bh->bio.bi_end_io = multipath_end_request;
 	mp_bh->bio.bi_private = mp_bh;
 	generic_make_request(&mp_bh->bio);
@@ -402,7 +402,7 @@ static void multipathd (mddev_t *mddev)
 			*bio = *(mp_bh->master_bio);
 			bio->bi_sector += conf->multipaths[mp_bh->path].rdev->data_offset;
 			bio->bi_bdev = conf->multipaths[mp_bh->path].rdev->bdev;
-			bio->bi_rw |= (1 << BIO_RW_FAILFAST);
+			bio->bi_rw |= (1 << BIO_RW_FAILFAST_TRANSPORT);
 			bio->bi_end_io = multipath_end_request;
 			bio->bi_private = mp_bh;
 			generic_make_request(bio);
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 85fcb437105..7844461a995 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -544,7 +544,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev,
 	}
 	cqr->retries = DIAG_MAX_RETRIES;
 	cqr->buildclk = get_clock();
-	if (req->cmd_flags & REQ_FAILFAST)
+	if (blk_noretry_request(req))
 		set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
 	cqr->startdev = memdev;
 	cqr->memdev = memdev;
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 49f9d221e23..2e60d5f968c 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1700,7 +1700,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,
 			recid++;
 		}
 	}
-	if (req->cmd_flags & REQ_FAILFAST)
+	if (blk_noretry_request(req))
 		set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
 	cqr->startdev = startdev;
 	cqr->memdev = startdev;
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 93d9b6452a9..7d442aeff3d 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -355,7 +355,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev,
 			recid++;
 		}
 	}
-	if (req->cmd_flags & REQ_FAILFAST)
+	if (blk_noretry_request(req))
 		set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);
 	cqr->startdev = memdev;
 	cqr->memdev = memdev;
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index 708e475896b..cb8aa3b58c2 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -109,7 +109,8 @@ static struct request *get_alua_req(struct scsi_device *sdev,
 	}
 
 	rq->cmd_type = REQ_TYPE_BLOCK_PC;
-	rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE;
+	rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
+			 REQ_FAILFAST_DRIVER | REQ_NOMERGE;
 	rq->retries = ALUA_FAILOVER_RETRIES;
 	rq->timeout = ALUA_FAILOVER_TIMEOUT;
 
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index 8f45570a8a0..0e572d2c5b0 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -303,7 +303,8 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
 
 	rq->cmd[4] = len;
 	rq->cmd_type = REQ_TYPE_BLOCK_PC;
-	rq->cmd_flags |= REQ_FAILFAST;
+	rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
+			 REQ_FAILFAST_DRIVER;
 	rq->timeout = CLARIION_TIMEOUT;
 	rq->retries = CLARIION_RETRIES;
 
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index 5e93c88ad66..9aec4ca64e5 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -112,7 +112,8 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
 		return SCSI_DH_RES_TEMP_UNAVAIL;
 
 	req->cmd_type = REQ_TYPE_BLOCK_PC;
-	req->cmd_flags |= REQ_FAILFAST;
+	req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
+			  REQ_FAILFAST_DRIVER;
 	req->cmd_len = COMMAND_SIZE(TEST_UNIT_READY);
 	req->cmd[0] = TEST_UNIT_READY;
 	req->timeout = HP_SW_TIMEOUT;
@@ -204,7 +205,8 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
 		return SCSI_DH_RES_TEMP_UNAVAIL;
 
 	req->cmd_type = REQ_TYPE_BLOCK_PC;
-	req->cmd_flags |= REQ_FAILFAST;
+	req->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
+			  REQ_FAILFAST_DRIVER;
 	req->cmd_len = COMMAND_SIZE(START_STOP);
 	req->cmd[0] = START_STOP;
 	req->cmd[4] = 1;	/* Start spin cycle */
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 50bf95f3b5c..a43c3ed4df2 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -226,7 +226,8 @@ static struct request *get_rdac_req(struct scsi_device *sdev,
 	}
 
 	rq->cmd_type = REQ_TYPE_BLOCK_PC;
-	rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE;
+	rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
+			 REQ_FAILFAST_DRIVER;
 	rq->retries = RDAC_RETRIES;
 	rq->timeout = RDAC_TIMEOUT;
 
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index b29360ed0bd..7c2d28924d2 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -109,7 +109,9 @@ static int spi_execute(struct scsi_device *sdev, const void *cmd,
 	for(i = 0; i < DV_RETRIES; i++) {
 		result = scsi_execute(sdev, cmd, dir, buffer, bufflen,
 				      sense, DV_TIMEOUT, /* retries */ 1,
-				      REQ_FAILFAST);
+				      REQ_FAILFAST_DEV |
+				      REQ_FAILFAST_TRANSPORT |
+				      REQ_FAILFAST_DRIVER);
 		if (result & DRIVER_SENSE) {
 			struct scsi_sense_hdr sshdr_tmp;
 			if (!sshdr)
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ff5b4cf9e2d..1beda208cbf 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -129,25 +129,30 @@ struct bio {
  * bit 2 -- barrier
  *	Insert a serialization point in the IO queue, forcing previously
  *	submitted IO to be completed before this oen is issued.
- * bit 3 -- fail fast, don't want low level driver retries
- * bit 4 -- synchronous I/O hint: the block layer will unplug immediately
+ * bit 3 -- synchronous I/O hint: the block layer will unplug immediately
  *	Note that this does NOT indicate that the IO itself is sync, just
  *	that the block layer will not postpone issue of this IO by plugging.
- * bit 5 -- metadata request
+ * bit 4 -- metadata request
  *	Used for tracing to differentiate metadata and data IO. May also
  *	get some preferential treatment in the IO scheduler
- * bit 6 -- discard sectors
+ * bit 5 -- discard sectors
  *	Informs the lower level device that this range of sectors is no longer
  *	used by the file system and may thus be freed by the device. Used
  *	for flash based storage.
+ * bit 6 -- fail fast device errors
+ * bit 7 -- fail fast transport errors
+ * bit 8 -- fail fast driver errors
+ *	Don't want driver retries for any fast fail whatever the reason.
  */
 #define BIO_RW		0	/* Must match RW in req flags (blkdev.h) */
 #define BIO_RW_AHEAD	1	/* Must match FAILFAST in req flags */
 #define BIO_RW_BARRIER	2
-#define BIO_RW_FAILFAST	3
-#define BIO_RW_SYNC	4
-#define BIO_RW_META	5
-#define BIO_RW_DISCARD	6
+#define BIO_RW_SYNC	3
+#define BIO_RW_META	4
+#define BIO_RW_DISCARD	5
+#define BIO_RW_FAILFAST_DEV		6
+#define BIO_RW_FAILFAST_TRANSPORT	7
+#define BIO_RW_FAILFAST_DRIVER		8
 
 /*
  * upper 16 bits of bi_rw define the io priority of this bio
@@ -174,7 +179,10 @@ struct bio {
 #define bio_sectors(bio)	((bio)->bi_size >> 9)
 #define bio_barrier(bio)	((bio)->bi_rw & (1 << BIO_RW_BARRIER))
 #define bio_sync(bio)		((bio)->bi_rw & (1 << BIO_RW_SYNC))
-#define bio_failfast(bio)	((bio)->bi_rw & (1 << BIO_RW_FAILFAST))
+#define bio_failfast_dev(bio)	((bio)->bi_rw &	(1 << BIO_RW_FAILFAST_DEV))
+#define bio_failfast_transport(bio)	\
+	((bio)->bi_rw & (1 << BIO_RW_FAILFAST_TRANSPORT))
+#define bio_failfast_driver(bio) ((bio)->bi_rw & (1 << BIO_RW_FAILFAST_DRIVER))
 #define bio_rw_ahead(bio)	((bio)->bi_rw & (1 << BIO_RW_AHEAD))
 #define bio_rw_meta(bio)	((bio)->bi_rw & (1 << BIO_RW_META))
 #define bio_discard(bio)	((bio)->bi_rw & (1 << BIO_RW_DISCARD))
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a92d9e4ea96..f3491d22526 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -87,7 +87,9 @@ enum {
  */
 enum rq_flag_bits {
 	__REQ_RW,		/* not set, read. set, write */
-	__REQ_FAILFAST,		/* no low level driver retries */
+	__REQ_FAILFAST_DEV,	/* no driver retries of device errors */
+	__REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */
+	__REQ_FAILFAST_DRIVER,	/* no driver retries of driver errors */
 	__REQ_DISCARD,		/* request to discard sectors */
 	__REQ_SORTED,		/* elevator knows about this request */
 	__REQ_SOFTBARRIER,	/* may not be passed by ioscheduler */
@@ -111,8 +113,10 @@ enum rq_flag_bits {
 };
 
 #define REQ_RW		(1 << __REQ_RW)
+#define REQ_FAILFAST_DEV	(1 << __REQ_FAILFAST_DEV)
+#define REQ_FAILFAST_TRANSPORT	(1 << __REQ_FAILFAST_TRANSPORT)
+#define REQ_FAILFAST_DRIVER	(1 << __REQ_FAILFAST_DRIVER)
 #define REQ_DISCARD	(1 << __REQ_DISCARD)
-#define REQ_FAILFAST	(1 << __REQ_FAILFAST)
 #define REQ_SORTED	(1 << __REQ_SORTED)
 #define REQ_SOFTBARRIER	(1 << __REQ_SOFTBARRIER)
 #define REQ_HARDBARRIER	(1 << __REQ_HARDBARRIER)
@@ -560,7 +564,12 @@ enum {
 #define blk_special_request(rq)	((rq)->cmd_type == REQ_TYPE_SPECIAL)
 #define blk_sense_request(rq)	((rq)->cmd_type == REQ_TYPE_SENSE)
 
-#define blk_noretry_request(rq)	((rq)->cmd_flags & REQ_FAILFAST)
+#define blk_failfast_dev(rq)	((rq)->cmd_flags & REQ_FAILFAST_DEV)
+#define blk_failfast_transport(rq) ((rq)->cmd_flags & REQ_FAILFAST_TRANSPORT)
+#define blk_failfast_driver(rq)	((rq)->cmd_flags & REQ_FAILFAST_DRIVER)
+#define blk_noretry_request(rq)	(blk_failfast_dev(rq) ||	\
+				 blk_failfast_transport(rq) ||	\
+				 blk_failfast_driver(rq))
 #define blk_rq_started(rq)	((rq)->cmd_flags & REQ_STARTED)
 
 #define blk_account_rq(rq)	(blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq))) 
-- 
GitLab


From 4a27446f3e39b06c28d1c8e31d33a5340826ed5c Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Tue, 19 Aug 2008 18:45:31 -0500
Subject: [PATCH 0393/2224] [SCSI] modify scsi to handle new fail fast flags.

This checks the errors the scsi-ml determined were retryable
and returns if we should fast fail it based on the request
fail fast flags.

Without the patch, drivers like lpfc, qla2xxx and fcoe would return
DID_ERROR for what it determines is a temporary communication problem.
There is no loss of connectivity at that time and the driver thinks
that it would be fast to retry at the driver level. SCSI-ml will however
sees fast fail on the request and DID_ERROR and will fast fail the io.
This will then cause dm-multipath to fail the path and possibley switch
target controllers when we should be retrying at the scsi layer.

We also were fast failing device errors to dm multiapth when
unless the scsi_dh modules think otherwis we want to retry at
the scsi layer because multipath can only retry the IO like scsi
should have done. multipath is a little dumber though because it
does not what the error was for and assumes that it should fail
the paths.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_error.c | 38 ++++++++++++++++++++++++++++++++++++--
 drivers/scsi/scsi_lib.c   |  2 +-
 drivers/scsi/scsi_priv.h  |  1 +
 3 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 5bf8be21a16..ad019ece213 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1218,6 +1218,40 @@ static void scsi_eh_offline_sdevs(struct list_head *work_q,
 	return;
 }
 
+/**
+ * scsi_noretry_cmd - determinte if command should be failed fast
+ * @scmd:	SCSI cmd to examine.
+ */
+int scsi_noretry_cmd(struct scsi_cmnd *scmd)
+{
+	switch (host_byte(scmd->result)) {
+	case DID_OK:
+		break;
+	case DID_BUS_BUSY:
+		return blk_failfast_transport(scmd->request);
+	case DID_PARITY:
+		return blk_failfast_dev(scmd->request);
+	case DID_ERROR:
+		if (msg_byte(scmd->result) == COMMAND_COMPLETE &&
+		    status_byte(scmd->result) == RESERVATION_CONFLICT)
+			return 0;
+		/* fall through */
+	case DID_SOFT_ERROR:
+		return blk_failfast_driver(scmd->request);
+	}
+
+	switch (status_byte(scmd->result)) {
+	case CHECK_CONDITION:
+		/*
+		 * assume caller has checked sense and determinted
+		 * the check condition was retryable.
+		 */
+		return blk_failfast_dev(scmd->request);
+	}
+
+	return 0;
+}
+
 /**
  * scsi_decide_disposition - Disposition a cmd on return from LLD.
  * @scmd:	SCSI cmd to examine.
@@ -1396,7 +1430,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
 	 * even if the request is marked fast fail, we still requeue
 	 * for queue congestion conditions (QUEUE_FULL or BUSY) */
 	if ((++scmd->retries) <= scmd->allowed
-	    && !blk_noretry_request(scmd->request)) {
+	    && !scsi_noretry_cmd(scmd)) {
 		return NEEDS_RETRY;
 	} else {
 		/*
@@ -1521,7 +1555,7 @@ void scsi_eh_flush_done_q(struct list_head *done_q)
 	list_for_each_entry_safe(scmd, next, done_q, eh_entry) {
 		list_del_init(&scmd->eh_entry);
 		if (scsi_device_online(scmd->device) &&
-		    !blk_noretry_request(scmd->request) &&
+		    !scsi_noretry_cmd(scmd) &&
 		    (++scmd->retries <= scmd->allowed)) {
 			SCSI_LOG_ERROR_RECOVERY(3, printk("%s: flush"
 							  " retry cmd: %p\n",
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 91c74c55aa5..e5a9526d203 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -706,7 +706,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int error,
 			leftover = req->data_len;
 
 		/* kill remainder if no retrys */
-		if (error && blk_noretry_request(req))
+		if (error && scsi_noretry_cmd(cmd))
 			blk_end_request(req, error, leftover);
 		else {
 			if (requeue) {
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 6cddd5dd323..e1850904ff7 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -59,6 +59,7 @@ void scsi_eh_ready_devs(struct Scsi_Host *shost,
 			struct list_head *done_q);
 int scsi_eh_get_sense(struct list_head *work_q,
 		      struct list_head *done_q);
+int scsi_noretry_cmd(struct scsi_cmnd *scmd);
 
 /* scsi_lib.c */
 extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
-- 
GitLab


From e59058c44025d71c9b7f260076a932935d3bba95 Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:49:00 -0400
Subject: [PATCH 0394/2224] [SCSI] lpfc 8.2.8 : Add kernel-doc function headers

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc_attr.c    |  919 +++++++++++++++++++-
 drivers/scsi/lpfc/lpfc_debugfs.c |  327 +++++++-
 drivers/scsi/lpfc/lpfc_els.c     | 1345 +++++++++++++++++++++++++++++-
 drivers/scsi/lpfc/lpfc_init.c    |  575 ++++++++++---
 drivers/scsi/lpfc/lpfc_mbox.c    |  468 +++++++++--
 drivers/scsi/lpfc/lpfc_mem.c     |  115 ++-
 drivers/scsi/lpfc/lpfc_sli.c     | 1063 ++++++++++++++++++++++-
 7 files changed, 4556 insertions(+), 256 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 37bfa0bd1da..2926a2a7ee7 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -49,6 +49,21 @@
 #define LPFC_LINK_SPEED_BITMAP 0x00000117
 #define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8"
 
+/**
+ * lpfc_jedec_to_ascii: Hex to ascii convertor according to JEDEC rules.
+ * @incr: integer to convert.
+ * @hdw: ascii string holding converted integer plus a string terminator.
+ *
+ * Description:
+ * JEDEC Joint Electron Device Engineering Council.
+ * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
+ * character string. The string is then terminated with a NULL in byte 9.
+ * Hex 0-9 becomes ascii '0' to '9'.
+ * Hex a-f becomes ascii '=' to 'B' capital B.
+ *
+ * Notes:
+ * Coded for 32 bit integers only.
+ **/
 static void
 lpfc_jedec_to_ascii(int incr, char hdw[])
 {
@@ -65,6 +80,14 @@ lpfc_jedec_to_ascii(int incr, char hdw[])
 	return;
 }
 
+/**
+ * lpfc_drvr_version_show: Return the Emulex driver string with version number.
+ * @dev: class unused variable.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the module description text.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
 		       char *buf)
@@ -72,6 +95,14 @@ lpfc_drvr_version_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, LPFC_MODULE_DESC "\n");
 }
 
+/**
+ * lpfc_info_show: Return some pci info about the host in ascii.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the formatted text from lpfc_info().
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_info_show(struct device *dev, struct device_attribute *attr,
 	       char *buf)
@@ -81,6 +112,14 @@ lpfc_info_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n",lpfc_info(host));
 }
 
+/**
+ * lpfc_serialnum_show: Return the hba serial number in ascii.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the formatted text serial number.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
 		    char *buf)
@@ -92,6 +131,18 @@ lpfc_serialnum_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n",phba->SerialNumber);
 }
 
+/**
+ * lpfc_temp_sensor_show: Return the temperature sensor level.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the formatted support level.
+ *
+ * Description:
+ * Returns a number indicating the temperature sensor level currently
+ * supported, zero or one in ascii.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
 		      char *buf)
@@ -102,6 +153,14 @@ lpfc_temp_sensor_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support);
 }
 
+/**
+ * lpfc_modeldesc_show: Return the model description of the hba.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd model description.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
 		    char *buf)
@@ -113,6 +172,14 @@ lpfc_modeldesc_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelDesc);
 }
 
+/**
+ * lpfc_modelname_show: Return the model name of the hba.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd model name.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
 		    char *buf)
@@ -124,6 +191,14 @@ lpfc_modelname_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n",phba->ModelName);
 }
 
+/**
+ * lpfc_programtype_show: Return the program type of the hba.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
 		      char *buf)
@@ -135,6 +210,14 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
 }
 
+/**
+ * lpfc_vportnum_show: Return the port number in ascii of the hba.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
 		   char *buf)
@@ -146,6 +229,14 @@ lpfc_vportnum_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n",phba->Port);
 }
 
+/**
+ * lpfc_fwrev_show: Return the firmware rev running in the hba.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
 		char *buf)
@@ -159,6 +250,14 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s, sli-%d\n", fwrev, phba->sli_rev);
 }
 
+/**
+ * lpfc_hdw_show: Return the jedec information about the hba.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the scsi vpd program type.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
@@ -171,6 +270,15 @@ lpfc_hdw_show(struct device *dev, struct device_attribute *attr, char *buf)
 	lpfc_jedec_to_ascii(vp->rev.biuRev, hdw);
 	return snprintf(buf, PAGE_SIZE, "%s\n", hdw);
 }
+
+/**
+ * lpfc_option_rom_version_show: Return the adapter ROM FCode version.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the ROM and FCode ascii strings.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)
@@ -181,6 +289,18 @@ lpfc_option_rom_version_show(struct device *dev, struct device_attribute *attr,
 
 	return snprintf(buf, PAGE_SIZE, "%s\n", phba->OptionROMVersion);
 }
+
+/**
+ * lpfc_state_show: Return the link state of the port.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains text describing the state of the link.
+ *
+ * Notes:
+ * The switch statement has no default so zero will be returned.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
 		     char *buf)
@@ -253,6 +373,18 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
 	return len;
 }
 
+/**
+ * lpfc_num_discovered_ports_show: Return sum of mapped and unmapped vports.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the sum of fc mapped and unmapped.
+ *
+ * Description:
+ * Returns the ascii text number of the sum of the fc mapped and unmapped
+ * vport counts.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_num_discovered_ports_show(struct device *dev,
 			       struct device_attribute *attr, char *buf)
@@ -264,7 +396,20 @@ lpfc_num_discovered_ports_show(struct device *dev,
 			vport->fc_map_cnt + vport->fc_unmap_cnt);
 }
 
-
+/**
+ * lpfc_issue_lip: Misnomer, name carried over from long ago.
+ * @shost: Scsi_Host pointer.
+ *
+ * Description:
+ * Bring the link down gracefully then re-init the link. The firmware will
+ * re-init the fiber channel interface as required. Does not issue a LIP.
+ *
+ * Returns:
+ * -EPERM port offline or management commands are being blocked
+ * -ENOMEM cannot allocate memory for the mailbox command
+ * -EIO error sending the mailbox command
+ * zero for success
+ **/
 static int
 lpfc_issue_lip(struct Scsi_Host *shost)
 {
@@ -306,6 +451,21 @@ lpfc_issue_lip(struct Scsi_Host *shost)
 	return 0;
 }
 
+/**
+ * lpfc_do_offline: Issues a mailbox command to bring the link down.
+ * @phba: lpfc_hba pointer.
+ * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
+ *
+ * Notes:
+ * Assumes any error from lpfc_do_offline() will be negative.
+ * Can wait up to 5 seconds for the port ring buffers count
+ * to reach zero, prints a warning if it is not zero and continues.
+ * lpfc_workq_post_event() returns a non-zero return coce if call fails.
+ *
+ * Returns:
+ * -EIO error posting the event
+ * zero for success
+ **/
 static int
 lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
 {
@@ -353,6 +513,22 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type)
 	return 0;
 }
 
+/**
+ * lpfc_selective_reset: Offline then onlines the port.
+ * @phba: lpfc_hba pointer.
+ *
+ * Description:
+ * If the port is configured to allow a reset then the hba is brought
+ * offline then online.
+ *
+ * Notes:
+ * Assumes any error from lpfc_do_offline() will be negative.
+ *
+ * Returns:
+ * lpfc_do_offline() return code if not zero
+ * -EIO reset not configured or error posting the event
+ * zero for success
+ **/
 static int
 lpfc_selective_reset(struct lpfc_hba *phba)
 {
@@ -378,6 +554,27 @@ lpfc_selective_reset(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_issue_reset: Selectively resets an adapter.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the string "selective".
+ * @count: unused variable.
+ *
+ * Description:
+ * If the buf contains the string "selective" then lpfc_selective_reset()
+ * is called to perform the reset.
+ *
+ * Notes:
+ * Assumes any error from lpfc_selective_reset() will be negative.
+ * If lpfc_selective_reset() returns zero then the length of the buffer
+ * is returned which indicates succcess
+ *
+ * Returns:
+ * -EINVAL if the buffer does not contain the string "selective"
+ * length of buf if lpfc-selective_reset() if the call succeeds
+ * return value of lpfc_selective_reset() if the call fails
+**/
 static ssize_t
 lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
 		 const char *buf, size_t count)
@@ -397,6 +594,14 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr,
 		return status;
 }
 
+/**
+ * lpfc_nport_evt_cnt_show: Return the number of nport events.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the ascii number of nport events.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
 			char *buf)
@@ -408,6 +613,14 @@ lpfc_nport_evt_cnt_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%d\n", phba->nport_event_cnt);
 }
 
+/**
+ * lpfc_board_mode_show: Return the state of the board.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the state of the adapter.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
 		     char *buf)
@@ -429,6 +642,19 @@ lpfc_board_mode_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n", state);
 }
 
+/**
+ * lpfc_board_mode_store: Puts the hba in online, offline, warm or error state.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing one of the strings "online", "offline", "warm" or "error".
+ * @count: unused variable.
+ *
+ * Returns:
+ * -EACCES if enable hba reset not enabled
+ * -EINVAL if the buffer does not contain a valid string (see above)
+ * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
+ * buf length greater than zero indicates success
+ **/
 static ssize_t
 lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
 		      const char *buf, size_t count)
@@ -462,6 +688,24 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
 		return -EIO;
 }
 
+/**
+ * lpfc_get_hba_info: Return various bits of informaton about the adapter.
+ * @phba: pointer to the adapter structure.
+ * @mxri max xri count.
+ * @axri available xri count.
+ * @mrpi max rpi count.
+ * @arpi available rpi count.
+ * @mvpi max vpi count.
+ * @avpi available vpi count.
+ *
+ * Description:
+ * If an integer pointer for an count is not null then the value for the
+ * count is returned.
+ *
+ * Returns:
+ * zero on error
+ * one for success
+ **/
 static int
 lpfc_get_hba_info(struct lpfc_hba *phba,
 		  uint32_t *mxri, uint32_t *axri,
@@ -524,6 +768,20 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
 	return 1;
 }
 
+/**
+ * lpfc_max_rpi_show: Return maximum rpi.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the maximum rpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
 		  char *buf)
@@ -538,6 +796,20 @@ lpfc_max_rpi_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "Unknown\n");
 }
 
+/**
+ * lpfc_used_rpi_show: Return maximum rpi minus available rpi.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the used rpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
 		   char *buf)
@@ -552,6 +824,20 @@ lpfc_used_rpi_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "Unknown\n");
 }
 
+/**
+ * lpfc_max_xri_show: Return maximum xri.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the maximum xri count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mrpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
 		  char *buf)
@@ -566,6 +852,20 @@ lpfc_max_xri_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "Unknown\n");
 }
 
+/**
+ * lpfc_used_xri_show: Return maximum xpi minus the available xpi.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the used xri count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
 		   char *buf)
@@ -580,6 +880,20 @@ lpfc_used_xri_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "Unknown\n");
 }
 
+/**
+ * lpfc_max_vpi_show: Return maximum vpi.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the maximum vpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mvpi count.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
 		  char *buf)
@@ -594,6 +908,20 @@ lpfc_max_vpi_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "Unknown\n");
 }
 
+/**
+ * lpfc_used_vpi_show: Return maximum vpi minus the available vpi.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the used vpi count in decimal or "Unknown".
+ *
+ * Description:
+ * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
+ * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
+ * to "Unknown" and the buffer length is returned, therefore the caller
+ * must check for "Unknown" in the buffer to detect a failure.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
 		   char *buf)
@@ -608,6 +936,19 @@ lpfc_used_vpi_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "Unknown\n");
 }
 
+/**
+ * lpfc_npiv_info_show: Return text about NPIV support for the adapter.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: text that must be interpreted to determine if npiv is supported.
+ *
+ * Description:
+ * Buffer will contain text indicating npiv is not suppoerted on the port,
+ * the port is an NPIV physical port, or it is an npiv virtual port with
+ * the id of the vport.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
 		    char *buf)
@@ -623,6 +964,17 @@ lpfc_npiv_info_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "NPIV Virtual (VPI %d)\n", vport->vpi);
 }
 
+/**
+ * lpfc_poll_show: Return text about poll support for the adapter.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the cfg_poll in hex.
+ *
+ * Notes:
+ * cfg_poll should be a lpfc_polling_flags type.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_poll_show(struct device *dev, struct device_attribute *attr,
 	       char *buf)
@@ -634,6 +986,20 @@ lpfc_poll_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%#x\n", phba->cfg_poll);
 }
 
+/**
+ * lpfc_poll_store: Set the value of cfg_poll for the adapter.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: one or more lpfc_polling_flags values.
+ * @count: not used.
+ *
+ * Notes:
+ * buf contents converted to integer and checked for a valid value.
+ *
+ * Returns:
+ * -EINVAL if the buffer connot be converted or is out of range
+ * length of the buf on success
+ **/
 static ssize_t
 lpfc_poll_store(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
@@ -692,6 +1058,20 @@ lpfc_poll_store(struct device *dev, struct device_attribute *attr,
 	return strlen(buf);
 }
 
+/**
+ * lpfc_param_show: Return a cfg attribute value in decimal.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_show.
+ *
+ * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in decimal.
+ *
+ * Returns: size of formatted string.
+ **/
 #define lpfc_param_show(attr)	\
 static ssize_t \
 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
@@ -706,6 +1086,20 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
 			phba->cfg_##attr);\
 }
 
+/**
+ * lpfc_param_hex_show: Return a cfg attribute value in hex.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_show
+ *
+ * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in hexidecimal.
+ *
+ * Returns: size of formatted string.
+ **/
 #define lpfc_param_hex_show(attr)	\
 static ssize_t \
 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
@@ -720,6 +1114,25 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
 			phba->cfg_##attr);\
 }
 
+/**
+ * lpfc_param_init: Intializes a cfg attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_init. The macro also
+ * takes a default argument, a minimum and maximum argument.
+ *
+ * lpfc_##attr##_init: Initializes an attribute.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Validates the min and max values then sets the adapter config field
+ * accordingly, or uses the default if out of range and prints an error message.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if default used
+ **/
 #define lpfc_param_init(attr, default, minval, maxval)	\
 static int \
 lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
@@ -735,6 +1148,26 @@ lpfc_##attr##_init(struct lpfc_hba *phba, int val) \
 	return -EINVAL;\
 }
 
+/**
+ * lpfc_param_set: Set a cfg attribute value.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_set
+ *
+ * lpfc_##attr##_set: Sets an attribute value.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Description:
+ * Validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ **/
 #define lpfc_param_set(attr, default, minval, maxval)	\
 static int \
 lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
@@ -749,6 +1182,27 @@ lpfc_##attr##_set(struct lpfc_hba *phba, int val) \
 	return -EINVAL;\
 }
 
+/**
+ * lpfc_param_store: Set a vport attribute value.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_store.
+ *
+ * lpfc_##attr##_store: Set an sttribute value.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: contains the attribute value in ascii.
+ * @count: not used.
+ *
+ * Description:
+ * Convert the ascii text number to an integer, then
+ * use the lpfc_##attr##_set function to set the value.
+ *
+ * Returns:
+ * -EINVAL if val is invalid or lpfc_##attr##_set() fails
+ * length of buffer upon success.
+ **/
 #define lpfc_param_store(attr)	\
 static ssize_t \
 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
@@ -768,6 +1222,20 @@ lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
 		return -EINVAL;\
 }
 
+/**
+ * lpfc_vport_param_show: Return decimal formatted cfg attribute value.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_show
+ *
+ * lpfc_##attr##_show: prints the attribute value in decimal.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in decimal.
+ *
+ * Returns: length of formatted string.
+ **/
 #define lpfc_vport_param_show(attr)	\
 static ssize_t \
 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
@@ -780,6 +1248,21 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
 	return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
 }
 
+/**
+ * lpfc_vport_param_hex_show: Return hex formatted attribute value.
+ *
+ * Description:
+ * Macro that given an attr e.g.
+ * hba_queue_depth expands into a function with the name
+ * lpfc_hba_queue_depth_show
+ *
+ * lpfc_##attr##_show: prints the attribute value in hexidecimal.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the attribute value in hexidecimal.
+ *
+ * Returns: length of formatted string.
+ **/
 #define lpfc_vport_param_hex_show(attr)	\
 static ssize_t \
 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
@@ -792,6 +1275,24 @@ lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
 	return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
 }
 
+/**
+ * lpfc_vport_param_init: Initialize a vport cfg attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_init. The macro also
+ * takes a default argument, a minimum and maximum argument.
+ *
+ * lpfc_##attr##_init: validates the min and max values then sets the
+ * adapter config field accordingly, or uses the default if out of range
+ * and prints an error message.
+ * @phba: pointer the the adapter structure.
+ * @val: integer attribute value.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if default used
+ **/
 #define lpfc_vport_param_init(attr, default, minval, maxval)	\
 static int \
 lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
@@ -807,6 +1308,23 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
 	return -EINVAL;\
 }
 
+/**
+ * lpfc_vport_param_set: Set a vport cfg attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth expands
+ * into a function with the name lpfc_hba_queue_depth_set
+ *
+ * lpfc_##attr##_set: validates the min and max values then sets the
+ * adapter config field if in the valid range. prints error message
+ * and does not set the parameter if invalid.
+ * @phba: pointer the the adapter structure.
+ * @val:	integer attribute value.
+ *
+ * Returns:
+ * zero on success
+ * -EINVAL if val is invalid
+ **/
 #define lpfc_vport_param_set(attr, default, minval, maxval)	\
 static int \
 lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
@@ -821,6 +1339,23 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
 	return -EINVAL;\
 }
 
+/**
+ * lpfc_vport_param_store: Set a vport attribute.
+ *
+ * Description:
+ * Macro that given an attr e.g. hba_queue_depth
+ * expands into a function with the name lpfc_hba_queue_depth_store
+ *
+ * lpfc_##attr##_store: convert the ascii text number to an integer, then
+ * use the lpfc_##attr##_set function to set the value.
+ * @cdev: class device that is converted into a Scsi_host.
+ * @buf:	contains the attribute value in decimal.
+ * @count: not used.
+ *
+ * Returns:
+ * -EINVAL if val is invalid or lpfc_##attr##_set() fails
+ * length of buffer upon success.
+ **/
 #define lpfc_vport_param_store(attr)	\
 static ssize_t \
 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
@@ -958,6 +1493,17 @@ static DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, NULL);
 
 static char *lpfc_soft_wwn_key = "C99G71SL8032A";
 
+/**
+ * lpfc_soft_wwn_enable_store: Allows setting of the wwn if the key is valid.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: containing the string lpfc_soft_wwn_key.
+ * @count: must be size of lpfc_soft_wwn_key.
+ *
+ * Returns:
+ * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
+ * length of buf indicates success
+ **/
 static ssize_t
 lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
 			   const char *buf, size_t count)
@@ -994,6 +1540,14 @@ lpfc_soft_wwn_enable_store(struct device *dev, struct device_attribute *attr,
 static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
 		   lpfc_soft_wwn_enable_store);
 
+/**
+ * lpfc_soft_wwpn_show: Return the cfg soft ww port name of the adapter.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the wwpn in hexidecimal.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
 		    char *buf)
@@ -1006,7 +1560,19 @@ lpfc_soft_wwpn_show(struct device *dev, struct device_attribute *attr,
 			(unsigned long long)phba->cfg_soft_wwpn);
 }
 
-
+/**
+ * lpfc_soft_wwpn_store: Set the ww port name of the adapter.
+ * @dev class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: contains the wwpn in hexidecimal.
+ * @count: number of wwpn bytes in buf
+ *
+ * Returns:
+ * -EACCES hba reset not enabled, adapter over temp
+ * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
+ * -EIO error taking adapter offline or online
+ * value of count on success
+ **/
 static ssize_t
 lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
 		     const char *buf, size_t count)
@@ -1080,6 +1646,14 @@ lpfc_soft_wwpn_store(struct device *dev, struct device_attribute *attr,
 static DEVICE_ATTR(lpfc_soft_wwpn, S_IRUGO | S_IWUSR,\
 		   lpfc_soft_wwpn_show, lpfc_soft_wwpn_store);
 
+/**
+ * lpfc_soft_wwnn_show: Return the cfg soft ww node name for the adapter.
+ * @dev: class device that is converted into a Scsi_host.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the wwnn in hexidecimal.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
 		    char *buf)
@@ -1090,7 +1664,16 @@ lpfc_soft_wwnn_show(struct device *dev, struct device_attribute *attr,
 			(unsigned long long)phba->cfg_soft_wwnn);
 }
 
-
+/**
+ * lpfc_soft_wwnn_store: sets the ww node name of the adapter.
+ * @cdev: class device that is converted into a Scsi_host.
+ * @buf: contains the ww node name in hexidecimal.
+ * @count: number of wwnn bytes in buf.
+ *
+ * Returns:
+ * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
+ * value of count on success
+ **/
 static ssize_t
 lpfc_soft_wwnn_store(struct device *dev, struct device_attribute *attr,
 		     const char *buf, size_t count)
@@ -1178,6 +1761,15 @@ module_param(lpfc_nodev_tmo, int, 0);
 MODULE_PARM_DESC(lpfc_nodev_tmo,
 		 "Seconds driver will hold I/O waiting "
 		 "for a device to come back");
+
+/**
+ * lpfc_nodev_tmo_show: Return the hba dev loss timeout value.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the dev loss timeout in decimal.
+ *
+ * Returns: size of formatted string.
+ **/
 static ssize_t
 lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
 		    char *buf)
@@ -1189,6 +1781,21 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%d\n",	vport->cfg_devloss_tmo);
 }
 
+/**
+ * lpfc_nodev_tmo_init: Set the hba nodev timeout value.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the nodev timeout value.
+ *
+ * Description:
+ * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
+ * a kernel error message is printed and zero is returned.
+ * Else if val is in range then nodev tmo and devloss tmo are set to val.
+ * Otherwise nodev tmo is set to the default value.
+ *
+ * Returns:
+ * zero if already set or if val is in range
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
 {
@@ -1215,6 +1822,13 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
 	return -EINVAL;
 }
 
+/**
+ * lpfc_update_rport_devloss_tmo: Update dev loss tmo value.
+ * @vport: lpfc vport structure pointer.
+ *
+ * Description:
+ * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
+ **/
 static void
 lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
 {
@@ -1229,6 +1843,21 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
 	spin_unlock_irq(shost->host_lock);
 }
 
+/**
+ * lpfc_nodev_tmo_set: Set the vport nodev tmo and devloss tmo values.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the tmo value.
+ *
+ * Description:
+ * If the devloss tmo is already set or the vport dev loss tmo has changed
+ * then a kernel error message is printed and zero is returned.
+ * Else if val is in range then nodev tmo and devloss tmo are set to val.
+ * Otherwise nodev tmo is set to the default value.
+ *
+ * Returns:
+ * zero if already set or if val is in range
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_nodev_tmo_set(struct lpfc_vport *vport, int val)
 {
@@ -1269,6 +1898,21 @@ MODULE_PARM_DESC(lpfc_devloss_tmo,
 lpfc_vport_param_init(devloss_tmo, LPFC_DEF_DEVLOSS_TMO,
 		      LPFC_MIN_DEVLOSS_TMO, LPFC_MAX_DEVLOSS_TMO)
 lpfc_vport_param_show(devloss_tmo)
+
+/**
+ * lpfc_devloss_tmo_set: Sets vport nodev tmo, devloss tmo values, changed bit.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the tmo value.
+ *
+ * Description:
+ * If val is in a valid range then set the vport nodev tmo,
+ * devloss tmo, also set the vport dev loss tmo changed flag.
+ * Else a kernel error message is printed.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_devloss_tmo_set(struct lpfc_vport *vport, int val)
 {
@@ -1366,6 +2010,21 @@ MODULE_PARM_DESC(lpfc_restrict_login,
 		 "Restrict virtual ports login to remote initiators.");
 lpfc_vport_param_show(restrict_login);
 
+/**
+ * lpfc_restrict_login_init: Set the vport restrict login flag.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the restrict login value.
+ *
+ * Description:
+ * If val is not in a valid range then log a kernel error message and set
+ * the vport restrict login to one.
+ * If the port type is physical clear the restrict login flag and return.
+ * Else set the restrict login flag to val.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
 {
@@ -1385,6 +2044,22 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
 	return 0;
 }
 
+/**
+ * lpfc_restrict_login_set: Set the vport restrict login flag.
+ * @vport: lpfc vport structure pointer.
+ * @val: contains the restrict login value.
+ *
+ * Description:
+ * If val is not in a valid range then log a kernel error message and set
+ * the vport restrict login to one.
+ * If the port type is physical and the val is not zero log a kernel
+ * error message, clear the restrict login flag and return zero.
+ * Else set the restrict login flag to val.
+ *
+ * Returns:
+ * zero if val is in range
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
 {
@@ -1441,6 +2116,23 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1,
 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
 # Default value is 0.
 */
+
+/**
+ * lpfc_topology_set: Set the adapters topology field.
+ * @phba: lpfc_hba pointer.
+ * @val: topology value.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's topology field and
+ * issue a lip; if the lip fails reset the topology to the old value.
+ *
+ * If the value is not in range log a kernel error message and return an error.
+ *
+ * Returns:
+ * zero if val is in range and lip okay
+ * non-zero return value from lpfc_issue_lip()
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_topology_set(struct lpfc_hba *phba, int val)
 {
@@ -1479,6 +2171,24 @@ static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
 #       8  = 8 Gigabaud
 # Value range is [0,8]. Default value is 0.
 */
+
+/**
+ * lpfc_link_speed_set: Set the adapters link speed.
+ * @phba: lpfc_hba pointer.
+ * @val: link speed value.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's link speed field and
+ * issue a lip; if the lip fails reset the link speed to the old value.
+ *
+ * Notes:
+ * If the value is not in range log a kernel error message and return an error.
+ *
+ * Returns:
+ * zero if val is in range and lip okay.
+ * non-zero return value from lpfc_issue_lip()
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_link_speed_set(struct lpfc_hba *phba, int val)
 {
@@ -1513,6 +2223,23 @@ static int lpfc_link_speed = 0;
 module_param(lpfc_link_speed, int, 0);
 MODULE_PARM_DESC(lpfc_link_speed, "Select link speed");
 lpfc_param_show(link_speed)
+
+/**
+ * lpfc_link_speed_init: Set the adapters link speed.
+ * @phba: lpfc_hba pointer.
+ * @val: link speed value.
+ *
+ * Description:
+ * If val is in a valid range then set the adapter's link speed field.
+ *
+ * Notes:
+ * If the value is not in range log a kernel error message, clear the link
+ * speed and return an error.
+ *
+ * Returns:
+ * zero if val saved.
+ * -EINVAL val out of range
+ **/
 static int
 lpfc_link_speed_init(struct lpfc_hba *phba, int val)
 {
@@ -1734,6 +2461,24 @@ struct device_attribute *lpfc_vport_attrs[] = {
 	NULL,
 };
 
+/**
+ * sysfs_ctlreg_write: Write method for writing to ctlreg.
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: contains the data to be written to the adapter IOREG space.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
+ * Uses the adapter io control registers to send buf contents to the adapter.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * -EPERM adapter is offline
+ * value of count, buf contents written
+ **/
 static ssize_t
 sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 		   char *buf, loff_t off, size_t count)
@@ -1766,6 +2511,23 @@ sysfs_ctlreg_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 	return count;
 }
 
+/**
+ * sysfs_ctlreg_read: Read method for reading from ctlreg.
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: if succesful contains the data from the adapter IOREG space.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
+ * Uses the adapter io control registers to read data into buf.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * value of count, buf contents read
+ **/
 static ssize_t
 sysfs_ctlreg_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 		  char *buf, loff_t off, size_t count)
@@ -1810,7 +2572,10 @@ static struct bin_attribute sysfs_ctlreg_attr = {
 	.write = sysfs_ctlreg_write,
 };
 
-
+/**
+ * sysfs_mbox_idle: frees the sysfs mailbox.
+ * @phba: lpfc_hba pointer
+ **/
 static void
 sysfs_mbox_idle(struct lpfc_hba *phba)
 {
@@ -1824,6 +2589,27 @@ sysfs_mbox_idle(struct lpfc_hba *phba)
 	}
 }
 
+/**
+ * sysfs_mbox_write: Write method for writing information via mbox.
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: contains the data to be written to sysfs mbox.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/mbox.
+ * Uses the sysfs mbox to send buf contents to the adapter.
+ *
+ * Returns:
+ * -ERANGE off and count combo out of range
+ * -EINVAL off, count or buff address invalid
+ * zero if count is zero
+ * -EPERM adapter is offline
+ * -ENOMEM failed to allocate memory for the mail box
+ * -EAGAIN offset, state or mbox is NULL
+ * count number of bytes transferred
+ **/
 static ssize_t
 sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 		 char *buf, loff_t off, size_t count)
@@ -1878,6 +2664,29 @@ sysfs_mbox_write(struct kobject *kobj, struct bin_attribute *bin_attr,
 	return count;
 }
 
+/**
+ * sysfs_mbox_read: Read method for reading information via mbox.
+ * @kobj: kernel kobject that contains the kernel class device.
+ * @bin_attr: kernel attributes passed to us.
+ * @buf: contains the data to be read from sysfs mbox.
+ * @off: offset into buffer to beginning of data.
+ * @count: bytes to transfer.
+ *
+ * Description:
+ * Accessed via /sys/class/scsi_host/hostxxx/mbox.
+ * Uses the sysfs mbox to receive data from to the adapter.
+ *
+ * Returns:
+ * -ERANGE off greater than mailbox command size
+ * -EINVAL off, count or buff address invalid
+ * zero if off and count are zero
+ * -EACCES adapter over temp
+ * -EPERM garbage can value to catch a multitude of errors
+ * -EAGAIN management IO not permitted, state or off error
+ * -ETIME mailbox timeout
+ * -ENODEV mailbox error
+ * count number of bytes transferred
+ **/
 static ssize_t
 sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 		char *buf, loff_t off, size_t count)
@@ -2059,6 +2868,14 @@ static struct bin_attribute sysfs_mbox_attr = {
 	.write = sysfs_mbox_write,
 };
 
+/**
+ * lpfc_alloc_sysfs_attr: Creates the sysfs, ctlreg, menlo and mbox entries.
+ * @vport: address of lpfc vport structure.
+ *
+ * Return codes:
+ * zero on success
+ * error return code from sysfs_create_bin_file()
+ **/
 int
 lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
 {
@@ -2082,6 +2899,10 @@ out:
 	return error;
 }
 
+/**
+ * lpfc_free_sysfs_attr: Removes the sysfs, ctlreg, menlo and mbox entries.
+ * @vport: address of lpfc vport structure.
+ **/
 void
 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
 {
@@ -2096,6 +2917,10 @@ lpfc_free_sysfs_attr(struct lpfc_vport *vport)
  * Dynamic FC Host Attributes Support
  */
 
+/**
+ * lpfc_get_host_port_id: Copy the vport DID into the scsi host port id.
+ * @shost: kernel scsi host pointer.
+ **/
 static void
 lpfc_get_host_port_id(struct Scsi_Host *shost)
 {
@@ -2105,6 +2930,10 @@ lpfc_get_host_port_id(struct Scsi_Host *shost)
 	fc_host_port_id(shost) = vport->fc_myDID;
 }
 
+/**
+ * lpfc_get_host_port_type: Set the value of the scsi host port type.
+ * @shost: kernel scsi host pointer.
+ **/
 static void
 lpfc_get_host_port_type(struct Scsi_Host *shost)
 {
@@ -2133,6 +2962,10 @@ lpfc_get_host_port_type(struct Scsi_Host *shost)
 	spin_unlock_irq(shost->host_lock);
 }
 
+/**
+ * lpfc_get_host_port_state: Set the value of the scsi host port state.
+ * @shost: kernel scsi host pointer.
+ **/
 static void
 lpfc_get_host_port_state(struct Scsi_Host *shost)
 {
@@ -2167,6 +3000,10 @@ lpfc_get_host_port_state(struct Scsi_Host *shost)
 	spin_unlock_irq(shost->host_lock);
 }
 
+/**
+ * lpfc_get_host_speed: Set the value of the scsi host speed.
+ * @shost: kernel scsi host pointer.
+ **/
 static void
 lpfc_get_host_speed(struct Scsi_Host *shost)
 {
@@ -2199,6 +3036,10 @@ lpfc_get_host_speed(struct Scsi_Host *shost)
 	spin_unlock_irq(shost->host_lock);
 }
 
+/**
+ * lpfc_get_host_fabric_name: Set the value of the scsi host fabric name.
+ * @shost: kernel scsi host pointer.
+ **/
 static void
 lpfc_get_host_fabric_name (struct Scsi_Host *shost)
 {
@@ -2221,6 +3062,18 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost)
 	fc_host_fabric_name(shost) = node_name;
 }
 
+/**
+ * lpfc_get_stats: Return statistical information about the adapter.
+ * @shost: kernel scsi host pointer.
+ *
+ * Notes:
+ * NULL on error for link down, no mbox pool, sli2 active,
+ * management not allowed, memory allocation error, or mbox error.
+ *
+ * Returns:
+ * NULL for error
+ * address of the adapter host statistics
+ **/
 static struct fc_host_statistics *
 lpfc_get_stats(struct Scsi_Host *shost)
 {
@@ -2334,6 +3187,10 @@ lpfc_get_stats(struct Scsi_Host *shost)
 	return hs;
 }
 
+/**
+ * lpfc_reset_stats: Copy the adapter link stats information.
+ * @shost: kernel scsi host pointer.
+ **/
 static void
 lpfc_reset_stats(struct Scsi_Host *shost)
 {
@@ -2411,6 +3268,14 @@ lpfc_reset_stats(struct Scsi_Host *shost)
  * are no sysfs handlers for link_down_tmo.
  */
 
+/**
+ * lpfc_get_node_by_target: Return the nodelist for a target.
+ * @starget: kernel scsi target pointer.
+ *
+ * Returns:
+ * address of the node list if found
+ * NULL target not found
+ **/
 static struct lpfc_nodelist *
 lpfc_get_node_by_target(struct scsi_target *starget)
 {
@@ -2432,6 +3297,10 @@ lpfc_get_node_by_target(struct scsi_target *starget)
 	return NULL;
 }
 
+/**
+ * lpfc_get_starget_port_id: Set the target port id to the ndlp DID or -1.
+ * @starget: kernel scsi target pointer.
+ **/
 static void
 lpfc_get_starget_port_id(struct scsi_target *starget)
 {
@@ -2440,6 +3309,12 @@ lpfc_get_starget_port_id(struct scsi_target *starget)
 	fc_starget_port_id(starget) = ndlp ? ndlp->nlp_DID : -1;
 }
 
+/**
+ * lpfc_get_starget_node_name: Set the target node name.
+ * @starget: kernel scsi target pointer.
+ *
+ * Description: Set the target node name to the ndlp node name wwn or zero.
+ **/
 static void
 lpfc_get_starget_node_name(struct scsi_target *starget)
 {
@@ -2449,6 +3324,12 @@ lpfc_get_starget_node_name(struct scsi_target *starget)
 		ndlp ? wwn_to_u64(ndlp->nlp_nodename.u.wwn) : 0;
 }
 
+/**
+ * lpfc_get_starget_port_name: Set the target port name.
+ * @starget: kernel scsi target pointer.
+ *
+ * Description:  set the target port name to the ndlp port name wwn or zero.
+ **/
 static void
 lpfc_get_starget_port_name(struct scsi_target *starget)
 {
@@ -2458,6 +3339,15 @@ lpfc_get_starget_port_name(struct scsi_target *starget)
 		ndlp ? wwn_to_u64(ndlp->nlp_portname.u.wwn) : 0;
 }
 
+/**
+ * lpfc_set_rport_loss_tmo: Set the rport dev loss tmo.
+ * @rport: fc rport address.
+ * @timeout: new value for dev loss tmo.
+ *
+ * Description:
+ * If timeout is non zero set the dev_loss_tmo to timeout, else set
+ * dev_loss_tmo to one.
+ **/
 static void
 lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 {
@@ -2467,7 +3357,18 @@ lpfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
 		rport->dev_loss_tmo = 1;
 }
 
-
+/**
+ * lpfc_rport_show_function: Return rport target information.
+ *
+ * Description:
+ * Macro that uses field to generate a function with the name lpfc_show_rport_
+ *
+ * lpfc_show_rport_##field: returns the bytes formatted in buf
+ * @cdev: class converted to an fc_rport.
+ * @buf: on return contains the target_field or zero.
+ *
+ * Returns: size of formatted string.
+ **/
 #define lpfc_rport_show_function(field, format_string, sz, cast)	\
 static ssize_t								\
 lpfc_show_rport_##field (struct device *dev,				\
@@ -2602,6 +3503,10 @@ struct fc_function_template lpfc_vport_transport_functions = {
 	.vport_disable = lpfc_vport_disable,
 };
 
+/**
+ * lpfc_get_cfgparam: Used during probe_one to init the adapter structure.
+ * @phba: lpfc_hba pointer.
+ **/
 void
 lpfc_get_cfgparam(struct lpfc_hba *phba)
 {
@@ -2637,6 +3542,10 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
 	return;
 }
 
+/**
+ * lpfc_get_vport_cfgparam: Used during port create, init the vport structure.
+ * @vport: lpfc_vport pointer.
+ **/
 void
 lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
 {
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 094b47e94b2..2588eadffbb 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2007 Emulex.  All rights reserved.                *
+ * Copyright (C) 2007-2008 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  *                                                                 *
@@ -46,13 +46,14 @@
 #include "lpfc_debugfs.h"
 
 #ifdef CONFIG_LPFC_DEBUG_FS
-/* debugfs interface
+/**
+ * debugfs interface
  *
  * To access this interface the user should:
  * # mkdir /debug
  * # mount -t debugfs none /debug
  *
- * The lpfc debugfs directory hierachy is:
+ * The lpfc debugfs directory hierarchy is:
  * lpfc/lpfcX/vportY
  * where X is the lpfc hba unique_id
  * where Y is the vport VPI on that hba
@@ -61,14 +62,21 @@
  * discovery_trace
  * This is an ACSII readable file that contains a trace of the last
  * lpfc_debugfs_max_disc_trc events that happened on a specific vport.
- * See lpfc_debugfs.h for different categories of
- * discovery events. To enable the discovery trace, the following
- * module parameters must be set:
+ * See lpfc_debugfs.h for different categories of  discovery events.
+ * To enable the discovery trace, the following module parameters must be set:
  * lpfc_debugfs_enable=1         Turns on lpfc debugfs filesystem support
  * lpfc_debugfs_max_disc_trc=X   Where X is the event trace depth for
  *                               EACH vport. X MUST also be a power of 2.
  * lpfc_debugfs_mask_disc_trc=Y  Where Y is an event mask as defined in
  *                               lpfc_debugfs.h .
+ *
+ * slow_ring_trace
+ * This is an ACSII readable file that contains a trace of the last
+ * lpfc_debugfs_max_slow_ring_trc events that happened on a specific HBA.
+ * To enable the slow ring trace, the following module parameters must be set:
+ * lpfc_debugfs_enable=1         Turns on lpfc debugfs filesystem support
+ * lpfc_debugfs_max_slow_ring_trc=X   Where X is the event trace depth for
+ *                               the HBA. X MUST also be a power of 2.
  */
 static int lpfc_debugfs_enable = 1;
 module_param(lpfc_debugfs_enable, int, 0);
@@ -117,6 +125,25 @@ struct lpfc_debug {
 static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0);
 static unsigned long lpfc_debugfs_start_time = 0L;
 
+/**
+ * lpfc_debugfs_disc_trc_data - Dump discovery logging to a buffer.
+ * @vport: The vport to gather the log info from.
+ * @buf: The buffer to dump log into.
+ * @size: The maximum amount of data to process.
+ *
+ * Description:
+ * This routine gathers the lpfc discovery debugfs data from the @vport and
+ * dumps it to @buf up to @size number of bytes. It will start at the next entry
+ * in the log and process the log until the end of the buffer. Then it will
+ * gather from the beginning of the log and process until the current entry.
+ *
+ * Notes:
+ * Discovery logging will be disabled while while this routine dumps the log.
+ *
+ * Return Value:
+ * This routine returns the amount of bytes that were dumped into @buf and will
+ * not exceed @size.
+ **/
 static int
 lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
 {
@@ -125,7 +152,6 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
 	struct lpfc_debugfs_trc *dtp;
 	char buffer[LPFC_DEBUG_TRC_ENTRY_SIZE];
 
-
 	enable = lpfc_debugfs_enable;
 	lpfc_debugfs_enable = 0;
 
@@ -159,6 +185,25 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size)
 	return len;
 }
 
+/**
+ * lpfc_debugfs_slow_ring_trc_data - Dump slow ring logging to a buffer.
+ * @phba: The HBA to gather the log info from.
+ * @buf: The buffer to dump log into.
+ * @size: The maximum amount of data to process.
+ *
+ * Description:
+ * This routine gathers the lpfc slow ring debugfs data from the @phba and
+ * dumps it to @buf up to @size number of bytes. It will start at the next entry
+ * in the log and process the log until the end of the buffer. Then it will
+ * gather from the beginning of the log and process until the current entry.
+ *
+ * Notes:
+ * Slow ring logging will be disabled while while this routine dumps the log.
+ *
+ * Return Value:
+ * This routine returns the amount of bytes that were dumped into @buf and will
+ * not exceed @size.
+ **/
 static int
 lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
 {
@@ -203,6 +248,25 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size)
 
 static int lpfc_debugfs_last_hbq = -1;
 
+/**
+ * lpfc_debugfs_hbqinfo_data - Dump host buffer queue info to a buffer.
+ * @phba: The HBA to gather host buffer info from.
+ * @buf: The buffer to dump log into.
+ * @size: The maximum amount of data to process.
+ *
+ * Description:
+ * This routine dumps the host buffer queue info from the @phba to @buf up to
+ * @size number of bytes. A header that describes the current hbq state will be
+ * dumped to @buf first and then info on each hbq entry will be dumped to @buf
+ * until @size bytes have been dumped or all the hbq info has been dumped.
+ *
+ * Notes:
+ * This routine will rotate through each configured HBQ each time called.
+ *
+ * Return Value:
+ * This routine returns the amount of bytes that were dumped into @buf and will
+ * not exceed @size.
+ **/
 static int
 lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size)
 {
@@ -303,6 +367,24 @@ skipit:
 
 static int lpfc_debugfs_last_hba_slim_off;
 
+/**
+ * lpfc_debugfs_dumpHBASlim_data - Dump HBA SLIM info to a buffer.
+ * @phba: The HBA to gather SLIM info from.
+ * @buf: The buffer to dump log into.
+ * @size: The maximum amount of data to process.
+ *
+ * Description:
+ * This routine dumps the current contents of HBA SLIM for the HBA associated
+ * with @phba to @buf up to @size bytes of data. This is the raw HBA SLIM data.
+ *
+ * Notes:
+ * This routine will only dump up to 1024 bytes of data each time called and
+ * should be called multiple times to dump the entire HBA SLIM.
+ *
+ * Return Value:
+ * This routine returns the amount of bytes that were dumped into @buf and will
+ * not exceed @size.
+ **/
 static int
 lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
 {
@@ -342,6 +424,21 @@ lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size)
 	return len;
 }
 
+/**
+ * lpfc_debugfs_dumpHostSlim_data - Dump host SLIM info to a buffer.
+ * @phba: The HBA to gather Host SLIM info from.
+ * @buf: The buffer to dump log into.
+ * @size: The maximum amount of data to process.
+ *
+ * Description:
+ * This routine dumps the current contents of host SLIM for the host associated
+ * with @phba to @buf up to @size bytes of data. The dump will contain the
+ * Mailbox, PCB, Rings, and Registers that are located in host memory.
+ *
+ * Return Value:
+ * This routine returns the amount of bytes that were dumped into @buf and will
+ * not exceed @size.
+ **/
 static int
 lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
 {
@@ -430,6 +527,21 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
 	return len;
 }
 
+/**
+ * lpfc_debugfs_nodelist_data - Dump target node list to a buffer.
+ * @vport: The vport to gather target node info from.
+ * @buf: The buffer to dump log into.
+ * @size: The maximum amount of data to process.
+ *
+ * Description:
+ * This routine dumps the current target node list associated with @vport to
+ * @buf up to @size bytes of data. Each node entry in the dump will contain a
+ * node state, DID, WWPN, WWNN, RPI, flags, type, and other useful fields.
+ *
+ * Return Value:
+ * This routine returns the amount of bytes that were dumped into @buf and will
+ * not exceed @size.
+ **/
 static int
 lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
 {
@@ -513,7 +625,22 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
 }
 #endif
 
-
+/**
+ * lpfc_debugfs_disc_trc - Store discovery trace log.
+ * @vport: The vport to associate this trace string with for retrieval.
+ * @mask: Log entry classification.
+ * @fmt: Format string to be displayed when dumping the log.
+ * @data1: 1st data parameter to be applied to @fmt.
+ * @data2: 2nd data parameter to be applied to @fmt.
+ * @data3: 3rd data parameter to be applied to @fmt.
+ *
+ * Description:
+ * This routine is used by the driver code to add a debugfs log entry to the
+ * discovery trace buffer associated with @vport. Only entries with a @mask that
+ * match the current debugfs discovery mask will be saved. Entries that do not
+ * match will be thrown away. @fmt, @data1, @data2, and @data3 are used like
+ * printf when displaying the log.
+ **/
 inline void
 lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
 	uint32_t data1, uint32_t data2, uint32_t data3)
@@ -542,6 +669,19 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt,
 	return;
 }
 
+/**
+ * lpfc_debugfs_slow_ring_trc - Store slow ring trace log.
+ * @phba: The phba to associate this trace string with for retrieval.
+ * @fmt: Format string to be displayed when dumping the log.
+ * @data1: 1st data parameter to be applied to @fmt.
+ * @data2: 2nd data parameter to be applied to @fmt.
+ * @data3: 3rd data parameter to be applied to @fmt.
+ *
+ * Description:
+ * This routine is used by the driver code to add a debugfs log entry to the
+ * discovery trace buffer associated with @vport. @fmt, @data1, @data2, and
+ * @data3 are used like printf when displaying the log.
+ **/
 inline void
 lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
 	uint32_t data1, uint32_t data2, uint32_t data3)
@@ -568,6 +708,21 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt,
 }
 
 #ifdef CONFIG_LPFC_DEBUG_FS
+/**
+ * lpfc_debugfs_disc_trc_open - Open the discovery trace log.
+ * @inode: The inode pointer that contains a vport pointer.
+ * @file: The file pointer to attach the log output.
+ *
+ * Description:
+ * This routine is the entry point for the debugfs open file operation. It gets
+ * the vport from the i_private field in @inode, allocates the necessary buffer
+ * for the log, fills the buffer from the in-memory log for this vport, and then
+ * returns a pointer to that log in the private_data field in @file.
+ *
+ * Returns:
+ * This function returns zero if successful. On error it will return an negative
+ * error value.
+ **/
 static int
 lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
 {
@@ -585,7 +740,7 @@ lpfc_debugfs_disc_trc_open(struct inode *inode, struct file *file)
 	if (!debug)
 		goto out;
 
-	/* Round to page boundry */
+	/* Round to page boundary */
 	size =  (lpfc_debugfs_max_disc_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
 	size = PAGE_ALIGN(size);
 
@@ -603,6 +758,21 @@ out:
 	return rc;
 }
 
+/**
+ * lpfc_debugfs_slow_ring_trc_open - Open the Slow Ring trace log.
+ * @inode: The inode pointer that contains a vport pointer.
+ * @file: The file pointer to attach the log output.
+ *
+ * Description:
+ * This routine is the entry point for the debugfs open file operation. It gets
+ * the vport from the i_private field in @inode, allocates the necessary buffer
+ * for the log, fills the buffer from the in-memory log for this vport, and then
+ * returns a pointer to that log in the private_data field in @file.
+ *
+ * Returns:
+ * This function returns zero if successful. On error it will return an negative
+ * error value.
+ **/
 static int
 lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
 {
@@ -620,7 +790,7 @@ lpfc_debugfs_slow_ring_trc_open(struct inode *inode, struct file *file)
 	if (!debug)
 		goto out;
 
-	/* Round to page boundry */
+	/* Round to page boundary */
 	size =  (lpfc_debugfs_max_slow_ring_trc * LPFC_DEBUG_TRC_ENTRY_SIZE);
 	size = PAGE_ALIGN(size);
 
@@ -638,6 +808,21 @@ out:
 	return rc;
 }
 
+/**
+ * lpfc_debugfs_hbqinfo_open - Open the hbqinfo debugfs buffer.
+ * @inode: The inode pointer that contains a vport pointer.
+ * @file: The file pointer to attach the log output.
+ *
+ * Description:
+ * This routine is the entry point for the debugfs open file operation. It gets
+ * the vport from the i_private field in @inode, allocates the necessary buffer
+ * for the log, fills the buffer from the in-memory log for this vport, and then
+ * returns a pointer to that log in the private_data field in @file.
+ *
+ * Returns:
+ * This function returns zero if successful. On error it will return an negative
+ * error value.
+ **/
 static int
 lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
 {
@@ -649,7 +834,7 @@ lpfc_debugfs_hbqinfo_open(struct inode *inode, struct file *file)
 	if (!debug)
 		goto out;
 
-	/* Round to page boundry */
+	/* Round to page boundary */
 	debug->buffer = kmalloc(LPFC_HBQINFO_SIZE, GFP_KERNEL);
 	if (!debug->buffer) {
 		kfree(debug);
@@ -665,6 +850,21 @@ out:
 	return rc;
 }
 
+/**
+ * lpfc_debugfs_dumpHBASlim_open - Open the Dump HBA SLIM debugfs buffer.
+ * @inode: The inode pointer that contains a vport pointer.
+ * @file: The file pointer to attach the log output.
+ *
+ * Description:
+ * This routine is the entry point for the debugfs open file operation. It gets
+ * the vport from the i_private field in @inode, allocates the necessary buffer
+ * for the log, fills the buffer from the in-memory log for this vport, and then
+ * returns a pointer to that log in the private_data field in @file.
+ *
+ * Returns:
+ * This function returns zero if successful. On error it will return an negative
+ * error value.
+ **/
 static int
 lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
 {
@@ -676,7 +876,7 @@ lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file)
 	if (!debug)
 		goto out;
 
-	/* Round to page boundry */
+	/* Round to page boundary */
 	debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL);
 	if (!debug->buffer) {
 		kfree(debug);
@@ -692,6 +892,21 @@ out:
 	return rc;
 }
 
+/**
+ * lpfc_debugfs_dumpHostSlim_open - Open the Dump Host SLIM debugfs buffer.
+ * @inode: The inode pointer that contains a vport pointer.
+ * @file: The file pointer to attach the log output.
+ *
+ * Description:
+ * This routine is the entry point for the debugfs open file operation. It gets
+ * the vport from the i_private field in @inode, allocates the necessary buffer
+ * for the log, fills the buffer from the in-memory log for this vport, and then
+ * returns a pointer to that log in the private_data field in @file.
+ *
+ * Returns:
+ * This function returns zero if successful. On error it will return an negative
+ * error value.
+ **/
 static int
 lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
 {
@@ -703,7 +918,7 @@ lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file)
 	if (!debug)
 		goto out;
 
-	/* Round to page boundry */
+	/* Round to page boundary */
 	debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL);
 	if (!debug->buffer) {
 		kfree(debug);
@@ -719,6 +934,21 @@ out:
 	return rc;
 }
 
+/**
+ * lpfc_debugfs_nodelist_open - Open the nodelist debugfs file.
+ * @inode: The inode pointer that contains a vport pointer.
+ * @file: The file pointer to attach the log output.
+ *
+ * Description:
+ * This routine is the entry point for the debugfs open file operation. It gets
+ * the vport from the i_private field in @inode, allocates the necessary buffer
+ * for the log, fills the buffer from the in-memory log for this vport, and then
+ * returns a pointer to that log in the private_data field in @file.
+ *
+ * Returns:
+ * This function returns zero if successful. On error it will return an negative
+ * error value.
+ **/
 static int
 lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
 {
@@ -730,7 +960,7 @@ lpfc_debugfs_nodelist_open(struct inode *inode, struct file *file)
 	if (!debug)
 		goto out;
 
-	/* Round to page boundry */
+	/* Round to page boundary */
 	debug->buffer = kmalloc(LPFC_NODELIST_SIZE, GFP_KERNEL);
 	if (!debug->buffer) {
 		kfree(debug);
@@ -746,6 +976,23 @@ out:
 	return rc;
 }
 
+/**
+ * lpfc_debugfs_lseek - Seek through a debugfs file.
+ * @file: The file pointer to seek through.
+ * @off: The offset to seek to or the amount to seek by.
+ * @whence: Indicates how to seek.
+ *
+ * Description:
+ * This routine is the entry point for the debugfs lseek file operation. The
+ * @whence parameter indicates whether @off is the offset to directly seek to,
+ * or if it is a value to seek forward or reverse by. This function figures out
+ * what the new offset of the debugfs file will be and assigns that value to the
+ * f_pos field of @file.
+ *
+ * Returns:
+ * This function returns the new offset if successful and returns a negative
+ * error if unable to process the seek.
+ **/
 static loff_t
 lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
 {
@@ -767,6 +1014,22 @@ lpfc_debugfs_lseek(struct file *file, loff_t off, int whence)
 	return (pos < 0 || pos > debug->len) ? -EINVAL : (file->f_pos = pos);
 }
 
+/**
+ * lpfc_debugfs_read - Read a debugfs file.
+ * @file: The file pointer to read from.
+ * @buf: The buffer to copy the data to.
+ * @nbytes: The number of bytes to read.
+ * @ppos: The position in the file to start reading from.
+ *
+ * Description:
+ * This routine reads data from from the buffer indicated in the private_data
+ * field of @file. It will start reading at @ppos and copy up to @nbytes of
+ * data to @buf.
+ *
+ * Returns:
+ * This function returns the amount of data that was read (this could be less
+ * than @nbytes if the end of the file was reached) or a negative error value.
+ **/
 static ssize_t
 lpfc_debugfs_read(struct file *file, char __user *buf,
 		  size_t nbytes, loff_t *ppos)
@@ -776,6 +1039,18 @@ lpfc_debugfs_read(struct file *file, char __user *buf,
 				       debug->len);
 }
 
+/**
+ * lpfc_debugfs_release - Release the buffer used to store debugfs file data.
+ * @inode: The inode pointer that contains a vport pointer. (unused)
+ * @file: The file pointer that contains the buffer to release.
+ *
+ * Description:
+ * This routine frees the buffer that was allocated when the debugfs file was
+ * opened.
+ *
+ * Returns:
+ * This function returns zero.
+ **/
 static int
 lpfc_debugfs_release(struct inode *inode, struct file *file)
 {
@@ -845,6 +1120,16 @@ static struct dentry *lpfc_debugfs_root = NULL;
 static atomic_t lpfc_debugfs_hba_count;
 #endif
 
+/**
+ * lpfc_debugfs_initialize - Initialize debugfs for a vport.
+ * @vport: The vport pointer to initialize.
+ *
+ * Description:
+ * When Debugfs is configured this routine sets up the lpfc debugfs file system.
+ * If not already created, this routine will create the lpfc directory, and
+ * lpfcX directory (for this HBA), and vportX directory for this vport. It will
+ * also create each file used to access lpfc specific debugfs information.
+ **/
 inline void
 lpfc_debugfs_initialize(struct lpfc_vport *vport)
 {
@@ -1033,7 +1318,17 @@ debug_failed:
 #endif
 }
 
-
+/**
+ * lpfc_debugfs_terminate -  Tear down debugfs infrastructure for this vport.
+ * @vport: The vport pointer to remove from debugfs.
+ *
+ * Description:
+ * When Debugfs is configured this routine removes debugfs file system elements
+ * that are specific to this vport. It also checks to see if there are any
+ * users left for the debugfs directories associated with the HBA and driver. If
+ * this is the last user of the HBA directory or driver directory then it will
+ * remove those from the debugfs infrastructure as well.
+ **/
 inline void
 lpfc_debugfs_terminate(struct lpfc_vport *vport)
 {
@@ -1096,5 +1391,3 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport)
 #endif
 	return;
 }
-
-
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index f54e0f7eaee..43049b9d64c 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -53,6 +53,28 @@ static void lpfc_register_new_vport(struct lpfc_hba *phba,
 
 static int lpfc_max_els_tries = 3;
 
+/**
+ * lpfc_els_chk_latt: Check host link attention event for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine checks whether there is an outstanding host link
+ * attention event during the discovery process with the @vport. It is done
+ * by reading the HBA's Host Attention (HA) register. If there is any host
+ * link attention events during this @vport's discovery process, the @vport
+ * shall be marked as FC_ABORT_DISCOVERY, a host link attention clear shall
+ * be issued if the link state is not already in host link cleared state,
+ * and a return code shall indicate whether the host link attention event
+ * had happened.
+ *
+ * Note that, if either the host link is in state LPFC_LINK_DOWN or @vport
+ * state in LPFC_VPORT_READY, the request for checking host link attention
+ * event will be ignored and a return code shall indicate no host link
+ * attention event had happened.
+ *
+ * Return codes
+ *   0 - no host link attention event happened
+ *   1 - host link attention event happened
+ **/
 int
 lpfc_els_chk_latt(struct lpfc_vport *vport)
 {
@@ -92,6 +114,34 @@ lpfc_els_chk_latt(struct lpfc_vport *vport)
 	return 1;
 }
 
+/**
+ * lpfc_prep_els_iocb: Allocate and prepare a lpfc iocb data structure.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @expectRsp: flag indicating whether response is expected.
+ * @cmdSize: size of the ELS command.
+ * @retry: number of retries to the command IOCB when it fails.
+ * @ndlp: pointer to a node-list data structure.
+ * @did: destination identifier.
+ * @elscmd: the ELS command code.
+ *
+ * This routine is used for allocating a lpfc-IOCB data structure from
+ * the driver lpfc-IOCB free-list and prepare the IOCB with the parameters
+ * passed into the routine for discovery state machine to issue an Extended
+ * Link Service (ELS) commands. It is a generic lpfc-IOCB allocation
+ * and preparation routine that is used by all the discovery state machine
+ * routines and the ELS command-specific fields will be later set up by
+ * the individual discovery machine routines after calling this routine
+ * allocating and preparing a generic IOCB data structure. It fills in the
+ * Buffer Descriptor Entries (BDEs), allocates buffers for both command
+ * payload and response payload (if expected). The reference count on the
+ * ndlp is incremented by 1 and the reference to the ndlp is put into
+ * context1 of the IOCB data structure for this IOCB to hold the ndlp
+ * reference for the command's callback function to access later.
+ *
+ * Return code
+ *   Pointer to the newly allocated/prepared els iocb data structure
+ *   NULL - when els iocb data structure allocation/preparation failed
+ **/
 static struct lpfc_iocbq *
 lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
 		   uint16_t cmdSize, uint8_t retry,
@@ -233,6 +283,22 @@ els_iocb_free_pcmb_exit:
 	return NULL;
 }
 
+/**
+ * lpfc_issue_fabric_reglogin: Issue fabric registration login for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine issues a fabric registration login for a @vport. An
+ * active ndlp node with Fabric_DID must already exist for this @vport.
+ * The routine invokes two mailbox commands to carry out fabric registration
+ * login through the HBA firmware: the first mailbox command requests the
+ * HBA to perform link configuration for the @vport; and the second mailbox
+ * command requests the HBA to perform the actual fabric registration login
+ * with the @vport.
+ *
+ * Return code
+ *   0 - successfully issued fabric registration login for @vport
+ *   -ENXIO -- failed to issue fabric registration login for @vport
+ **/
 static int
 lpfc_issue_fabric_reglogin(struct lpfc_vport *vport)
 {
@@ -313,6 +379,26 @@ fail:
 	return -ENXIO;
 }
 
+/**
+ * lpfc_cmpl_els_flogi_fabric: Completion function for flogi to a fabric port.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @sp: pointer to service parameter data structure.
+ * @irsp: pointer to the IOCB within the lpfc response IOCB.
+ *
+ * This routine is invoked by the lpfc_cmpl_els_flogi() completion callback
+ * function to handle the completion of a Fabric Login (FLOGI) into a fabric
+ * port in a fabric topology. It properly sets up the parameters to the @ndlp
+ * from the IOCB response. It also check the newly assigned N_Port ID to the
+ * @vport against the previously assigned N_Port ID. If it is different from
+ * the previously assigned Destination ID (DID), the lpfc_unreg_rpi() routine
+ * is invoked on all the remaining nodes with the @vport to unregister the
+ * Remote Port Indicators (RPIs). Finally, the lpfc_issue_fabric_reglogin()
+ * is invoked to register login to the fabric.
+ *
+ * Return code
+ *   0 - Success (currently, always return 0)
+ **/
 static int
 lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			   struct serv_parm *sp, IOCB_t *irsp)
@@ -416,9 +502,26 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	return 0;
 }
 
-/*
- * We FLOGIed into an NPort, initiate pt2pt protocol
- */
+/**
+ * lpfc_cmpl_els_flogi_nport: Completion function for flogi to an N_Port.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @sp: pointer to service parameter data structure.
+ *
+ * This routine is invoked by the lpfc_cmpl_els_flogi() completion callback
+ * function to handle the completion of a Fabric Login (FLOGI) into an N_Port
+ * in a point-to-point topology. First, the @vport's N_Port Name is compared
+ * with the received N_Port Name: if the @vport's N_Port Name is greater than
+ * the received N_Port Name lexicographically, this node shall assign local
+ * N_Port ID (PT2PT_LocalID: 1) and remote N_Port ID (PT2PT_RemoteID: 2) and
+ * will send out Port Login (PLOGI) with the N_Port IDs assigned. Otherwise,
+ * this node shall just wait for the remote node to issue PLOGI and assign
+ * N_Port IDs.
+ *
+ * Return code
+ *   0 - Success
+ *   -ENXIO - Fail
+ **/
 static int
 lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			  struct serv_parm *sp)
@@ -516,6 +619,29 @@ fail:
 	return -ENXIO;
 }
 
+/**
+ * lpfc_cmpl_els_flogi: Completion callback function for flogi.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the top-level completion callback function for issuing
+ * a Fabric Login (FLOGI) command. If the response IOCB reported error,
+ * the lpfc_els_retry() routine shall be invoked to retry the FLOGI. If
+ * retry has been made (either immediately or delayed with lpfc_els_retry()
+ * returning 1), the command IOCB will be released and function returned.
+ * If the retry attempt has been given up (possibly reach the maximum
+ * number of retries), one additional decrement of ndlp reference shall be
+ * invoked before going out after releasing the command IOCB. This will
+ * actually release the remote node (Note, lpfc_els_free_iocb() will also
+ * invoke one decrement of ndlp reference count). If no error reported in
+ * the IOCB status, the command Port ID field is used to determine whether
+ * this is a point-to-point topology or a fabric topology: if the Port ID
+ * field is assigned, it is a fabric topology; otherwise, it is a
+ * point-to-point topology. The routine lpfc_cmpl_els_flogi_fabric() or
+ * lpfc_cmpl_els_flogi_nport() shall be invoked accordingly to handle the
+ * specific topology completion conditions.
+ **/
 static void
 lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		    struct lpfc_iocbq *rspiocb)
@@ -618,6 +744,28 @@ out:
 	lpfc_els_free_iocb(phba, cmdiocb);
 }
 
+/**
+ * lpfc_issue_els_flogi: Issue an flogi iocb command for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine issues a Fabric Login (FLOGI) Request ELS command
+ * for a @vport. The initiator service parameters are put into the payload
+ * of the FLOGI Request IOCB and the top-level callback function pointer
+ * to lpfc_cmpl_els_flogi() routine is put to the IOCB completion callback
+ * function field. The lpfc_issue_fabric_iocb routine is invoked to send
+ * out FLOGI ELS command with one outstanding fabric IOCB at a time.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the FLOGI ELS command.
+ *
+ * Return code
+ *   0 - successfully issued flogi iocb for @vport
+ *   1 - failed to issue flogi iocb for @vport
+ **/
 static int
 lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		     uint8_t retry)
@@ -694,6 +842,20 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	return 0;
 }
 
+/**
+ * lpfc_els_abort_flogi: Abort all outstanding flogi iocbs.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs
+ * with a @phba. This routine walks all the outstanding IOCBs on the txcmplq
+ * list and issues an abort IOCB commond on each outstanding IOCB that
+ * contains a active Fabric_DID ndlp. Note that this function is to issue
+ * the abort IOCB command on all the outstanding IOCBs, thus when this
+ * function returns, it does not guarantee all the IOCBs are actually aborted.
+ *
+ * Return code
+ *   0 - Sucessfully issued abort iocb on all outstanding flogis (Always 0)
+ **/
 int
 lpfc_els_abort_flogi(struct lpfc_hba *phba)
 {
@@ -729,6 +891,22 @@ lpfc_els_abort_flogi(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_initial_flogi: Issue an initial fabric login for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine issues an initial Fabric Login (FLOGI) for the @vport
+ * specified. It first searches the ndlp with the Fabric_DID (0xfffffe) from
+ * the @vport's ndlp list. If no such ndlp found, it will create an ndlp and
+ * put it into the @vport's ndlp list. If an inactive ndlp found on the list,
+ * it will just be enabled and made active. The lpfc_issue_els_flogi() routine
+ * is then invoked with the @vport and the ndlp to perform the FLOGI for the
+ * @vport.
+ *
+ * Return code
+ *   0 - failed to issue initial flogi for @vport
+ *   1 - successfully issued initial flogi for @vport
+ **/
 int
 lpfc_initial_flogi(struct lpfc_vport *vport)
 {
@@ -764,6 +942,22 @@ lpfc_initial_flogi(struct lpfc_vport *vport)
 	return 1;
 }
 
+/**
+ * lpfc_initial_fdisc: Issue an initial fabric discovery for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine issues an initial Fabric Discover (FDISC) for the @vport
+ * specified. It first searches the ndlp with the Fabric_DID (0xfffffe) from
+ * the @vport's ndlp list. If no such ndlp found, it will create an ndlp and
+ * put it into the @vport's ndlp list. If an inactive ndlp found on the list,
+ * it will just be enabled and made active. The lpfc_issue_els_fdisc() routine
+ * is then invoked with the @vport and the ndlp to perform the FDISC for the
+ * @vport.
+ *
+ * Return code
+ *   0 - failed to issue initial fdisc for @vport
+ *   1 - successfully issued initial fdisc for @vport
+ **/
 int
 lpfc_initial_fdisc(struct lpfc_vport *vport)
 {
@@ -797,6 +991,17 @@ lpfc_initial_fdisc(struct lpfc_vport *vport)
 	return 1;
 }
 
+/**
+ * lpfc_more_plogi: Check and issue remaining plogis for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine checks whether there are more remaining Port Logins
+ * (PLOGI) to be issued for the @vport. If so, it will invoke the routine
+ * lpfc_els_disc_plogi() to go through the Node Port Recovery (NPR) nodes
+ * to issue ELS PLOGIs up to the configured discover threads with the
+ * @vport (@vport->cfg_discovery_threads). The function also decrement
+ * the @vport's num_disc_node by 1 if it is not already 0.
+ **/
 void
 lpfc_more_plogi(struct lpfc_vport *vport)
 {
@@ -819,6 +1024,37 @@ lpfc_more_plogi(struct lpfc_vport *vport)
 	return;
 }
 
+/**
+ * lpfc_plogi_confirm_nport: Confirm pologi wwpn matches stored ndlp.
+ * @phba: pointer to lpfc hba data structure.
+ * @prsp: pointer to response IOCB payload.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine checks and indicates whether the WWPN of an N_Port, retrieved
+ * from a PLOGI, matches the WWPN that is stored in the @ndlp for that N_POrt.
+ * The following cases are considered N_Port confirmed:
+ * 1) The N_Port is a Fabric ndlp; 2) The @ndlp is on vport list and matches
+ * the WWPN of the N_Port logged into; 3) The @ndlp is not on vport list but
+ * it does not have WWPN assigned either. If the WWPN is confirmed, the
+ * pointer to the @ndlp will be returned. If the WWPN is not confirmed:
+ * 1) if there is a node on vport list other than the @ndlp with the same
+ * WWPN of the N_Port PLOGI logged into, the lpfc_unreg_rpi() will be invoked
+ * on that node to release the RPI associated with the node; 2) if there is
+ * no node found on vport list with the same WWPN of the N_Port PLOGI logged
+ * into, a new node shall be allocated (or activated). In either case, the
+ * parameters of the @ndlp shall be copied to the new_ndlp, the @ndlp shall
+ * be released and the new_ndlp shall be put on to the vport node list and
+ * its pointer returned as the confirmed node.
+ *
+ * Note that before the @ndlp got "released", the keepDID from not-matching
+ * or inactive "new_ndlp" on the vport node list is assigned to the nlp_DID
+ * of the @ndlp. This is because the release of @ndlp is actually to put it
+ * into an inactive state on the vport node list and the vport node list
+ * management algorithm does not allow two node with a same DID.
+ *
+ * Return code
+ *   pointer to the PLOGI N_Port @ndlp
+ **/
 static struct lpfc_nodelist *
 lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
 			 struct lpfc_nodelist *ndlp)
@@ -922,6 +1158,17 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
 	return new_ndlp;
 }
 
+/**
+ * lpfc_end_rscn: Check and handle more rscn for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine checks whether more Registration State Change
+ * Notifications (RSCNs) came in while the discovery state machine was in
+ * the FC_RSCN_MODE. If so, the lpfc_els_handle_rscn() routine will be
+ * invoked to handle the additional RSCNs for the @vport. Otherwise, the
+ * FC_RSCN_MODE bit will be cleared with the @vport to mark as the end of
+ * handling the RSCNs.
+ **/
 void
 lpfc_end_rscn(struct lpfc_vport *vport)
 {
@@ -943,6 +1190,26 @@ lpfc_end_rscn(struct lpfc_vport *vport)
 	}
 }
 
+/**
+ * lpfc_cmpl_els_plogi: Completion callback function for plogi.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion callback function for issuing the Port
+ * Login (PLOGI) command. For PLOGI completion, there must be an active
+ * ndlp on the vport node list that matches the remote node ID from the
+ * PLOGI reponse IOCB. If such ndlp does not exist, the PLOGI is simply
+ * ignored and command IOCB released. The PLOGI response IOCB status is
+ * checked for error conditons. If there is error status reported, PLOGI
+ * retry shall be attempted by invoking the lpfc_els_retry() routine.
+ * Otherwise, the lpfc_plogi_confirm_nport() routine shall be invoked on
+ * the ndlp and the NLP_EVT_CMPL_PLOGI state to the Discover State Machine
+ * (DSM) is set for this PLOGI completion. Finally, it checks whether
+ * there are additional N_Port nodes with the vport that need to perform
+ * PLOGI. If so, the lpfc_more_plogi() routine is invoked to issue addition
+ * PLOGIs.
+ **/
 static void
 lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		    struct lpfc_iocbq *rspiocb)
@@ -1048,6 +1315,27 @@ out:
 	return;
 }
 
+/**
+ * lpfc_issue_els_plogi: Issue an plogi iocb command for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @did: destination port identifier.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine issues a Port Login (PLOGI) command to a remote N_Port
+ * (with the @did) for a @vport. Before issuing a PLOGI to a remote N_Port,
+ * the ndlp with the remote N_Port DID must exist on the @vport's ndlp list.
+ * This routine constructs the proper feilds of the PLOGI IOCB and invokes
+ * the lpfc_sli_issue_iocb() routine to send out PLOGI ELS command.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the PLOGI ELS command.
+ *
+ * Return code
+ *   0 - Successfully issued a plogi for @vport
+ *   1 - failed to issue a plogi for @vport
+ **/
 int
 lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
 {
@@ -1106,6 +1394,19 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
 	return 0;
 }
 
+/**
+ * lpfc_cmpl_els_prli: Completion callback function for prli.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion callback function for a Process Login
+ * (PRLI) ELS command. The PRLI response IOCB status is checked for error
+ * status. If there is error status reported, PRLI retry shall be attempted
+ * by invoking the lpfc_els_retry() routine. Otherwise, the state
+ * NLP_EVT_CMPL_PRLI is sent to the Discover State Machine (DSM) for this
+ * ndlp to mark the PRLI completion.
+ **/
 static void
 lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		   struct lpfc_iocbq *rspiocb)
@@ -1164,6 +1465,27 @@ out:
 	return;
 }
 
+/**
+ * lpfc_issue_els_prli: Issue a prli iocb command for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine issues a Process Login (PRLI) ELS command for the
+ * @vport. The PRLI service parameters are set up in the payload of the
+ * PRLI Request command and the pointer to lpfc_cmpl_els_prli() routine
+ * is put to the IOCB completion callback func field before invoking the
+ * routine lpfc_sli_issue_iocb() to send out PRLI command.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the PRLI ELS command.
+ *
+ * Return code
+ *   0 - successfully issued prli iocb command for @vport
+ *   1 - failed to issue prli iocb command for @vport
+ **/
 int
 lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		    uint8_t retry)
@@ -1233,6 +1555,15 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	return 0;
 }
 
+/**
+ * lpfc_more_adisc: Issue more adisc as needed.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine determines whether there are more ndlps on a @vport
+ * node list need to have Address Discover (ADISC) issued. If so, it will
+ * invoke the lpfc_els_disc_adisc() routine to issue ADISC on the @vport's
+ * remaining nodes which need to have ADISC sent.
+ **/
 void
 lpfc_more_adisc(struct lpfc_vport *vport)
 {
@@ -1255,6 +1586,18 @@ lpfc_more_adisc(struct lpfc_vport *vport)
 	return;
 }
 
+/**
+ * lpfc_rscn_disc: Perform rscn discovery for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine performs Registration State Change Notification (RSCN)
+ * discovery for a @vport. If the @vport's node port recovery count is not
+ * zero, it will invoke the lpfc_els_disc_plogi() to perform PLOGI for all
+ * the nodes that need recovery. If none of the PLOGI were needed through
+ * the lpfc_els_disc_plogi() routine, the lpfc_end_rscn() routine shall be
+ * invoked to check and handle possible more RSCN came in during the period
+ * of processing the current ones.
+ **/
 static void
 lpfc_rscn_disc(struct lpfc_vport *vport)
 {
@@ -1269,6 +1612,22 @@ lpfc_rscn_disc(struct lpfc_vport *vport)
 	lpfc_end_rscn(vport);
 }
 
+/**
+ * lpfc_cmpl_els_adisc: Completion callback function for adisc.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion function for issuing the Address Discover
+ * (ADISC) command. It first checks to see whether link went down during
+ * the discovery process. If so, the node will be marked as node port
+ * recovery for issuing discover IOCB by the link attention handler and
+ * exit. Otherwise, the response status is checked. If error was reported
+ * in the response status, the ADISC command shall be retried by invoking
+ * the lpfc_els_retry() routine. Otherwise, if no error was reported in
+ * the response status, the state machine is invoked to set transition
+ * with respect to NLP_EVT_CMPL_ADISC event.
+ **/
 static void
 lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		    struct lpfc_iocbq *rspiocb)
@@ -1384,6 +1743,26 @@ out:
 	return;
 }
 
+/**
+ * lpfc_issue_els_adisc: Issue an address discover iocb to an node on a vport.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine issues an Address Discover (ADISC) for an @ndlp on a
+ * @vport. It prepares the payload of the ADISC ELS command, updates the
+ * and states of the ndlp, and invokes the lpfc_sli_issue_iocb() routine
+ * to issue the ADISC ELS command.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the ADISC ELS command.
+ *
+ * Return code
+ *   0 - successfully issued adisc
+ *   1 - failed to issue adisc
+ **/
 int
 lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		     uint8_t retry)
@@ -1437,6 +1816,18 @@ lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	return 0;
 }
 
+/**
+ * lpfc_cmpl_els_logo: Completion callback function for logo.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion function for issuing the ELS Logout (LOGO)
+ * command. If no error status was reported from the LOGO response, the
+ * state machine of the associated ndlp shall be invoked for transition with
+ * respect to NLP_EVT_CMPL_LOGO event. Otherwise, if error status was reported,
+ * the lpfc_els_retry() routine will be invoked to retry the LOGO command.
+ **/
 static void
 lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		   struct lpfc_iocbq *rspiocb)
@@ -1502,6 +1893,26 @@ out:
 	return;
 }
 
+/**
+ * lpfc_issue_els_logo: Issue a logo to an node on a vport.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine constructs and issues an ELS Logout (LOGO) iocb command
+ * to a remote node, referred by an @ndlp on a @vport. It constructs the
+ * payload of the IOCB, properly sets up the @ndlp state, and invokes the
+ * lpfc_sli_issue_iocb() routine to send out the LOGO ELS command.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the LOGO ELS command.
+ *
+ * Return code
+ *   0 - successfully issued logo
+ *   1 - failed to issue logo
+ **/
 int
 lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		    uint8_t retry)
@@ -1563,6 +1974,22 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	return 0;
 }
 
+/**
+ * lpfc_cmpl_els_cmd: Completion callback function for generic els command.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is a generic completion callback function for ELS commands.
+ * Specifically, it is the callback function which does not need to perform
+ * any command specific operations. It is currently used by the ELS command
+ * issuing routines for the ELS State Change  Request (SCR),
+ * lpfc_issue_els_scr(), and the ELS Fibre Channel Address Resolution
+ * Protocol Response (FARPR) routine, lpfc_issue_els_farpr(). Other than
+ * certain debug loggings, this callback function simply invokes the
+ * lpfc_els_chk_latt() routine to check whether link went down during the
+ * discovery process.
+ **/
 static void
 lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		  struct lpfc_iocbq *rspiocb)
@@ -1587,6 +2014,28 @@ lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	return;
 }
 
+/**
+ * lpfc_issue_els_scr: Issue a scr to an node on a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @nportid: N_Port identifier to the remote node.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine issues a State Change Request (SCR) to a fabric node
+ * on a @vport. The remote node @nportid is passed into the function. It
+ * first search the @vport node list to find the matching ndlp. If no such
+ * ndlp is found, a new ndlp shall be created for this (SCR) purpose. An
+ * IOCB is allocated, payload prepared, and the lpfc_sli_issue_iocb()
+ * routine is invoked to send the SCR IOCB.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the SCR ELS command.
+ *
+ * Return code
+ *   0 - Successfully issued scr command
+ *   1 - Failed to issue scr command
+ **/
 int
 lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
 {
@@ -1659,6 +2108,28 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
 	return 0;
 }
 
+/**
+ * lpfc_issue_els_farpr: Issue a farp to an node on a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @nportid: N_Port identifier to the remote node.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine issues a Fibre Channel Address Resolution Response
+ * (FARPR) to a node on a vport. The remote node N_Port identifier (@nportid)
+ * is passed into the function. It first search the @vport node list to find
+ * the matching ndlp. If no such ndlp is found, a new ndlp shall be created
+ * for this (FARPR) purpose. An IOCB is allocated, payload prepared, and the
+ * lpfc_sli_issue_iocb() routine is invoked to send the FARPR ELS command.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the PARPR ELS command.
+ *
+ * Return code
+ *   0 - Successfully issued farpr command
+ *   1 - Failed to issue farpr command
+ **/
 static int
 lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
 {
@@ -1748,6 +2219,18 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
 	return 0;
 }
 
+/**
+ * lpfc_cancel_retry_delay_tmo: Cancel the timer with delayed iocb-cmd retry.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @nlp: pointer to a node-list data structure.
+ *
+ * This routine cancels the timer with a delayed IOCB-command retry for
+ * a @vport's @ndlp. It stops the timer for the delayed function retrial and
+ * removes the ELS retry event if it presents. In addition, if the
+ * NLP_NPR_2B_DISC bit is set in the @nlp's nlp_flag bitmap, ADISC IOCB
+ * commands are sent for the @vport's nodes that require issuing discovery
+ * ADISC.
+ **/
 void
 lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
 {
@@ -1794,6 +2277,20 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
 	return;
 }
 
+/**
+ * lpfc_els_retry_delay: Timer function with a ndlp delayed function timer.
+ * @ptr: holder for the pointer to the timer function associated data (ndlp).
+ *
+ * This routine is invoked by the ndlp delayed-function timer to check
+ * whether there is any pending ELS retry event(s) with the node. If not, it
+ * simply returns. Otherwise, if there is at least one ELS delayed event, it
+ * adds the delayed events to the HBA work list and invokes the
+ * lpfc_worker_wake_up() routine to wake up worker thread to process the
+ * event. Note that lpfc_nlp_get() is called before posting the event to
+ * the work list to hold reference count of ndlp so that it guarantees the
+ * reference to ndlp will still be available when the worker thread gets
+ * to the event associated with the ndlp.
+ **/
 void
 lpfc_els_retry_delay(unsigned long ptr)
 {
@@ -1822,6 +2319,15 @@ lpfc_els_retry_delay(unsigned long ptr)
 	return;
 }
 
+/**
+ * lpfc_els_retry_delay_handler: Work thread handler for ndlp delayed function.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine is the worker-thread handler for processing the @ndlp delayed
+ * event(s), posted by the lpfc_els_retry_delay() routine. It simply retrieves
+ * the last ELS command from the associated ndlp and invokes the proper ELS
+ * function according to the delayed ELS command to retry the command.
+ **/
 void
 lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
 {
@@ -1884,6 +2390,27 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
 	return;
 }
 
+/**
+ * lpfc_els_retry: Make retry decision on an els command iocb.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine makes a retry decision on an ELS command IOCB, which has
+ * failed. The following ELS IOCBs use this function for retrying the command
+ * when previously issued command responsed with error status: FLOGI, PLOGI,
+ * PRLI, ADISC, LOGO, and FDISC. Based on the ELS command type and the
+ * returned error status, it makes the decision whether a retry shall be
+ * issued for the command, and whether a retry shall be made immediately or
+ * delayed. In the former case, the corresponding ELS command issuing-function
+ * is called to retry the command. In the later case, the ELS command shall
+ * be posted to the ndlp delayed event and delayed function timer set to the
+ * ndlp for the delayed command issusing.
+ *
+ * Return code
+ *   0 - No retry of els command is made
+ *   1 - Immediate or delayed retry of els command is made
+ **/
 static int
 lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	       struct lpfc_iocbq *rspiocb)
@@ -2182,12 +2709,26 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_free_data: Free lpfc dma buffer and data structure with an iocb.
+ * @phba: pointer to lpfc hba data structure.
+ * @buf_ptr1: pointer to the lpfc DMA buffer data structure.
+ *
+ * This routine releases the lpfc DMA (Direct Memory Access) buffer(s)
+ * associated with a command IOCB back to the lpfc DMA buffer pool. It first
+ * checks to see whether there is a lpfc DMA buffer associated with the
+ * response of the command IOCB. If so, it will be released before releasing
+ * the lpfc DMA buffer associated with the IOCB itself.
+ *
+ * Return code
+ *   0 - Successfully released lpfc DMA buffer (currently, always return 0)
+ **/
 static int
 lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1)
 {
 	struct lpfc_dmabuf *buf_ptr;
 
-	/* Free the response before processing the command.  */
+	/* Free the response before processing the command. */
 	if (!list_empty(&buf_ptr1->list)) {
 		list_remove_head(&buf_ptr1->list, buf_ptr,
 				 struct lpfc_dmabuf,
@@ -2200,6 +2741,18 @@ lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1)
 	return 0;
 }
 
+/**
+ * lpfc_els_free_bpl: Free lpfc dma buffer and data structure with bpl.
+ * @phba: pointer to lpfc hba data structure.
+ * @buf_ptr: pointer to the lpfc dma buffer data structure.
+ *
+ * This routine releases the lpfc Direct Memory Access (DMA) buffer
+ * associated with a Buffer Pointer List (BPL) back to the lpfc DMA buffer
+ * pool.
+ *
+ * Return code
+ *   0 - Successfully released lpfc DMA buffer (currently, always return 0)
+ **/
 static int
 lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr)
 {
@@ -2208,6 +2761,33 @@ lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr)
 	return 0;
 }
 
+/**
+ * lpfc_els_free_iocb: Free a command iocb and its associated resources.
+ * @phba: pointer to lpfc hba data structure.
+ * @elsiocb: pointer to lpfc els command iocb data structure.
+ *
+ * This routine frees a command IOCB and its associated resources. The
+ * command IOCB data structure contains the reference to various associated
+ * resources, these fields must be set to NULL if the associated reference
+ * not present:
+ *   context1 - reference to ndlp
+ *   context2 - reference to cmd
+ *   context2->next - reference to rsp
+ *   context3 - reference to bpl
+ *
+ * It first properly decrements the reference count held on ndlp for the
+ * IOCB completion callback function. If LPFC_DELAY_MEM_FREE flag is not
+ * set, it invokes the lpfc_els_free_data() routine to release the Direct
+ * Memory Access (DMA) buffers associated with the IOCB. Otherwise, it
+ * adds the DMA buffer the @phba data structure for the delayed release.
+ * If reference to the Buffer Pointer List (BPL) is present, the
+ * lpfc_els_free_bpl() routine is invoked to release the DMA memory
+ * associated with BPL. Finally, the lpfc_sli_release_iocbq() routine is
+ * invoked to release the IOCB data structure back to @phba IOCBQ list.
+ *
+ * Return code
+ *   0 - Success (currently, always return 0)
+ **/
 int
 lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb)
 {
@@ -2274,6 +2854,23 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb)
 	return 0;
 }
 
+/**
+ * lpfc_cmpl_els_logo_acc: Completion callback function to logo acc response.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion callback function to the Logout (LOGO)
+ * Accept (ACC) Response ELS command. This routine is invoked to indicate
+ * the completion of the LOGO process. It invokes the lpfc_nlp_not_used() to
+ * release the ndlp if it has the last reference remaining (reference count
+ * is 1). If succeeded (meaning ndlp released), it sets the IOCB context1
+ * field to NULL to inform the following lpfc_els_free_iocb() routine no
+ * ndlp reference count needs to be decremented. Otherwise, the ndlp
+ * reference use-count shall be decremented by the lpfc_els_free_iocb()
+ * routine. Finally, the lpfc_els_free_iocb() is invoked to release the
+ * IOCB data structure.
+ **/
 static void
 lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		       struct lpfc_iocbq *rspiocb)
@@ -2311,6 +2908,19 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	return;
 }
 
+/**
+ * lpfc_mbx_cmpl_dflt_rpi: Completion callbk func for unreg dflt rpi mbox cmd.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * This routine is the completion callback function for unregister default
+ * RPI (Remote Port Index) mailbox command to the @phba. It simply releases
+ * the associated lpfc Direct Memory Access (DMA) buffer back to the pool and
+ * decrements the ndlp reference count held for this completion callback
+ * function. After that, it invokes the lpfc_nlp_not_used() to check
+ * whether there is only one reference left on the ndlp. If so, it will
+ * perform one more decrement and trigger the release of the ndlp.
+ **/
 void
 lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
@@ -2332,6 +2942,22 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	return;
 }
 
+/**
+ * lpfc_cmpl_els_rsp: Completion callback function for els response iocb cmd.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion callback function for ELS Response IOCB
+ * command. In normal case, this callback function just properly sets the
+ * nlp_flag bitmap in the ndlp data structure, if the mbox command reference
+ * field in the command IOCB is not NULL, the referred mailbox command will
+ * be send out, and then invokes the lpfc_els_free_iocb() routine to release
+ * the IOCB. Under error conditions, such as when a LS_RJT is returned or a
+ * link down event occurred during the discovery, the lpfc_nlp_not_used()
+ * routine shall be invoked trying to release the ndlp if no other threads
+ * are currently referring it.
+ **/
 static void
 lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		  struct lpfc_iocbq *rspiocb)
@@ -2487,6 +3113,31 @@ out:
 	return;
 }
 
+/**
+ * lpfc_els_rsp_acc: Prepare and issue an acc response iocb command.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @flag: the els command code to be accepted.
+ * @oldiocb: pointer to the original lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @mbox: pointer to the driver internal queue element for mailbox command.
+ *
+ * This routine prepares and issues an Accept (ACC) response IOCB
+ * command. It uses the @flag to properly set up the IOCB field for the
+ * specific ACC response command to be issued and invokes the
+ * lpfc_sli_issue_iocb() routine to send out ACC response IOCB. If a
+ * @mbox pointer is passed in, it will be put into the context_un.mbox
+ * field of the IOCB for the completion callback function to issue the
+ * mailbox command to the HBA later when callback is invoked.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the corresponding response ELS IOCB command.
+ *
+ * Return code
+ *   0 - Successfully issued acc response
+ *   1 - Failed to issue acc response
+ **/
 int
 lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
 		 struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp,
@@ -2601,6 +3252,28 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
 	return 0;
 }
 
+/**
+ * lpfc_els_rsp_reject: Propare and issue a rjt response iocb command.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @rejectError:
+ * @oldiocb: pointer to the original lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @mbox: pointer to the driver internal queue element for mailbox command.
+ *
+ * This routine prepares and issue an Reject (RJT) response IOCB
+ * command. If a @mbox pointer is passed in, it will be put into the
+ * context_un.mbox field of the IOCB for the completion callback function
+ * to issue to the HBA later.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the reject response ELS IOCB command.
+ *
+ * Return code
+ *   0 - Successfully issued reject response
+ *   1 - Failed to issue reject response
+ **/
 int
 lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError,
 		    struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp,
@@ -2660,6 +3333,25 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError,
 	return 0;
 }
 
+/**
+ * lpfc_els_rsp_adisc_acc: Prepare and issue acc response to adisc iocb cmd.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @oldiocb: pointer to the original lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine prepares and issues an Accept (ACC) response to Address
+ * Discover (ADISC) ELS command. It simply prepares the payload of the IOCB
+ * and invokes the lpfc_sli_issue_iocb() routine to send out the command.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the ADISC Accept response ELS IOCB command.
+ *
+ * Return code
+ *   0 - Successfully issued acc adisc response
+ *   1 - Failed to issue adisc acc response
+ **/
 int
 lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
 		       struct lpfc_nodelist *ndlp)
@@ -2716,6 +3408,25 @@ lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rsp_prli_acc: Prepare and issue acc response to prli iocb cmd.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @oldiocb: pointer to the original lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine prepares and issues an Accept (ACC) response to Process
+ * Login (PRLI) ELS command. It simply prepares the payload of the IOCB
+ * and invokes the lpfc_sli_issue_iocb() routine to send out the command.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the PRLI Accept response ELS IOCB command.
+ *
+ * Return code
+ *   0 - Successfully issued acc prli response
+ *   1 - Failed to issue acc prli response
+ **/
 int
 lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
 		      struct lpfc_nodelist *ndlp)
@@ -2795,6 +3506,32 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rsp_rnid_acc: Issue rnid acc response iocb command.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @format: rnid command format.
+ * @oldiocb: pointer to the original lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine issues a Request Node Identification Data (RNID) Accept
+ * (ACC) response. It constructs the RNID ACC response command according to
+ * the proper @format and then calls the lpfc_sli_issue_iocb() routine to
+ * issue the response. Note that this command does not need to hold the ndlp
+ * reference count for the callback. So, the ndlp reference count taken by
+ * the lpfc_prep_els_iocb() routine is put back and the context1 field of
+ * IOCB is set to NULL to indicate to the lpfc_els_free_iocb() routine that
+ * there is no ndlp reference available.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function. However, for the RNID Accept Response ELS command,
+ * this is undone later by this routine after the IOCB is allocated.
+ *
+ * Return code
+ *   0 - Successfully issued acc rnid response
+ *   1 - Failed to issue acc rnid response
+ **/
 static int
 lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
 		      struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp)
@@ -2875,6 +3612,25 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
 	return 0;
 }
 
+/**
+ * lpfc_els_disc_adisc: Issue remaining adisc iocbs to npr nodes of a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine issues Address Discover (ADISC) ELS commands to those
+ * N_Ports which are in node port recovery state and ADISC has not been issued
+ * for the @vport. Each time an ELS ADISC IOCB is issued by invoking the
+ * lpfc_issue_els_adisc() routine, the per @vport number of discover count
+ * (num_disc_nodes) shall be incremented. If the num_disc_nodes reaches a
+ * pre-configured threshold (cfg_discovery_threads), the @vport fc_flag will
+ * be marked with FC_NLP_MORE bit and the process of issuing remaining ADISC
+ * IOCBs quit for later pick up. On the other hand, after walking through
+ * all the ndlps with the @vport and there is none ADISC IOCB issued, the
+ * @vport fc_flag shall be cleared with FC_NLP_MORE bit indicating there is
+ * no more ADISC need to be sent.
+ *
+ * Return code
+ *    The number of N_Ports with adisc issued.
+ **/
 int
 lpfc_els_disc_adisc(struct lpfc_vport *vport)
 {
@@ -2914,6 +3670,25 @@ lpfc_els_disc_adisc(struct lpfc_vport *vport)
 	return sentadisc;
 }
 
+/**
+ * lpfc_els_disc_plogi: Issue plogi for all npr nodes of a vport before adisc.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine issues Port Login (PLOGI) ELS commands to all the N_Ports
+ * which are in node port recovery state, with a @vport. Each time an ELS
+ * ADISC PLOGI IOCB is issued by invoking the lpfc_issue_els_plogi() routine,
+ * the per @vport number of discover count (num_disc_nodes) shall be
+ * incremented. If the num_disc_nodes reaches a pre-configured threshold
+ * (cfg_discovery_threads), the @vport fc_flag will be marked with FC_NLP_MORE
+ * bit set and quit the process of issuing remaining ADISC PLOGIN IOCBs for
+ * later pick up. On the other hand, after walking through all the ndlps with
+ * the @vport and there is none ADISC PLOGI IOCB issued, the @vport fc_flag
+ * shall be cleared with the FC_NLP_MORE bit indicating there is no more ADISC
+ * PLOGI need to be sent.
+ *
+ * Return code
+ *   The number of N_Ports with plogi issued.
+ **/
 int
 lpfc_els_disc_plogi(struct lpfc_vport *vport)
 {
@@ -2954,6 +3729,15 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
 	return sentplogi;
 }
 
+/**
+ * lpfc_els_flush_rscn: Clean up any rscn activities with a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine cleans up any Registration State Change Notification
+ * (RSCN) activity with a @vport. Note that the fc_rscn_flush flag of the
+ * @vport together with the host_lock is used to prevent multiple thread
+ * trying to access the RSCN array on a same @vport at the same time.
+ **/
 void
 lpfc_els_flush_rscn(struct lpfc_vport *vport)
 {
@@ -2984,6 +3768,18 @@ lpfc_els_flush_rscn(struct lpfc_vport *vport)
 	vport->fc_rscn_flush = 0;
 }
 
+/**
+ * lpfc_rscn_payload_check: Check whether there is a pending rscn to a did.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @did: remote destination port identifier.
+ *
+ * This routine checks whether there is any pending Registration State
+ * Configuration Notification (RSCN) to a @did on @vport.
+ *
+ * Return code
+ *   None zero - The @did matched with a pending rscn
+ *   0 - not able to match @did with a pending rscn
+ **/
 int
 lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did)
 {
@@ -3053,6 +3849,17 @@ return_did_out:
 	return did;
 }
 
+/**
+ * lpfc_rscn_recovery_check: Send recovery event to vport nodes matching rscn
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine sends recovery (NLP_EVT_DEVICE_RECOVERY) event to the
+ * state machine for a @vport's nodes that are with pending RSCN (Registration
+ * State Change Notification).
+ *
+ * Return code
+ *   0 - Successful (currently alway return 0)
+ **/
 static int
 lpfc_rscn_recovery_check(struct lpfc_vport *vport)
 {
@@ -3071,6 +3878,28 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport)
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_rscn: Process an unsolicited rscn iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes an unsolicited RSCN (Registration State Change
+ * Notification) IOCB. First, the payload of the unsolicited RSCN is walked
+ * to invoke fc_host_post_event() routine to the FC transport layer. If the
+ * discover state machine is about to begin discovery, it just accepts the
+ * RSCN and the discovery process will satisfy the RSCN. If this RSCN only
+ * contains N_Port IDs for other vports on this HBA, it just accepts the
+ * RSCN and ignore processing it. If the state machine is in the recovery
+ * state, the fc_rscn_id_list of this @vport is walked and the
+ * lpfc_rscn_recovery_check() routine is invoked to send recovery event for
+ * all nodes that match RSCN payload. Otherwise, the lpfc_els_handle_rscn()
+ * routine is invoked to handle the RSCN event.
+ *
+ * Return code
+ *   0 - Just sent the acc response
+ *   1 - Sent the acc response and waited for name server completion
+ **/
 static int
 lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		  struct lpfc_nodelist *ndlp)
@@ -3241,6 +4070,22 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return lpfc_els_handle_rscn(vport);
 }
 
+/**
+ * lpfc_els_handle_rscn: Handle rscn for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine handles the Registration State Configuration Notification
+ * (RSCN) for a @vport. If login to NameServer does not exist, a new ndlp shall
+ * be created and a Port Login (PLOGI) to the NameServer is issued. Otherwise,
+ * if the ndlp to NameServer exists, a Common Transport (CT) command to the
+ * NameServer shall be issued. If CT command to the NameServer fails to be
+ * issued, the lpfc_els_flush_rscn() routine shall be invoked to clean up any
+ * RSCN activities with the @vport.
+ *
+ * Return code
+ *   0 - Cleaned up rscn on the @vport
+ *   1 - Wait for plogi to name server before proceed
+ **/
 int
 lpfc_els_handle_rscn(struct lpfc_vport *vport)
 {
@@ -3313,6 +4158,31 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_flogi: Process an unsolicited flogi iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Fabric Login (FLOGI) IOCB received as an ELS
+ * unsolicited event. An unsolicited FLOGI can be received in a point-to-
+ * point topology. As an unsolicited FLOGI should not be received in a loop
+ * mode, any unsolicited FLOGI received in loop mode shall be ignored. The
+ * lpfc_check_sparm() routine is invoked to check the parameters in the
+ * unsolicited FLOGI. If parameters validation failed, the routine
+ * lpfc_els_rsp_reject() shall be called with reject reason code set to
+ * LSEXP_SPARM_OPTIONS to reject the FLOGI. Otherwise, the Port WWN in the
+ * FLOGI shall be compared with the Port WWN of the @vport to determine who
+ * will initiate PLOGI. The higher lexicographical value party shall has
+ * higher priority (as the winning port) and will initiate PLOGI and
+ * communicate Port_IDs (Addresses) for both nodes in PLOGI. The result
+ * of this will be marked in the @vport fc_flag field with FC_PT2PT_PLOGI
+ * and then the lpfc_els_rsp_acc() routine is invoked to accept the FLOGI.
+ *
+ * Return code
+ *   0 - Successfully processed the unsolicited flogi
+ *   1 - Failed to process the unsolicited flogi
+ **/
 static int
 lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		   struct lpfc_nodelist *ndlp)
@@ -3402,6 +4272,22 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_rnid: Process an unsolicited rnid iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Request Node Identification Data (RNID) IOCB
+ * received as an ELS unsolicited event. Only when the RNID specified format
+ * 0x0 or 0xDF (Topology Discovery Specific Node Identification Data)
+ * present, this routine will invoke the lpfc_els_rsp_rnid_acc() routine to
+ * Accept (ACC) the RNID ELS command. All the other RNID formats are
+ * rejected by invoking the lpfc_els_rsp_reject() routine.
+ *
+ * Return code
+ *   0 - Successfully processed rnid iocb (currently always return 0)
+ **/
 static int
 lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		  struct lpfc_nodelist *ndlp)
@@ -3441,6 +4327,19 @@ lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_lirr: Process an unsolicited lirr iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes a Link Incident Report Registration(LIRR) IOCB
+ * received as an ELS unsolicited event. Currently, this function just invokes
+ * the lpfc_els_rsp_reject() routine to reject the LIRR IOCB unconditionally.
+ *
+ * Return code
+ *   0 - Successfully processed lirr iocb (currently always return 0)
+ **/
 static int
 lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		  struct lpfc_nodelist *ndlp)
@@ -3456,6 +4355,25 @@ lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rsp_rps_acc: Completion callbk func for MBX_READ_LNK_STAT mbox cmd.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * This routine is the completion callback function for the MBX_READ_LNK_STAT
+ * mailbox command. This callback function is to actually send the Accept
+ * (ACC) response to a Read Port Status (RPS) unsolicited IOCB event. It
+ * collects the link statistics from the completion of the MBX_READ_LNK_STAT
+ * mailbox command, constructs the RPS response with the link statistics
+ * collected, and then invokes the lpfc_sli_issue_iocb() routine to send ACC
+ * response to the RPS.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the RPS Accept Response ELS IOCB command.
+ *
+ **/
 static void
 lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
@@ -3531,6 +4449,24 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	return;
 }
 
+/**
+ * lpfc_els_rcv_rps: Process an unsolicited rps iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Read Port Status (RPS) IOCB received as an
+ * ELS unsolicited event. It first checks the remote port state. If the
+ * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE
+ * state, it invokes the lpfc_els_rsp_reject() routine to send the reject
+ * response. Otherwise, it issue the MBX_READ_LNK_STAT mailbox command
+ * for reading the HBA link statistics. It is for the callback function,
+ * lpfc_els_rsp_rps_acc(), set to the MBX_READ_LNK_STAT mailbox command
+ * to actually sending out RPS Accept (ACC) response.
+ *
+ * Return codes
+ *   0 - Successfully processed rps iocb (currently always return 0)
+ **/
 static int
 lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		 struct lpfc_nodelist *ndlp)
@@ -3592,6 +4528,25 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rsp_rpl_acc: Issue an accept rpl els command.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdsize: size of the ELS command.
+ * @oldiocb: pointer to the original lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine issuees an Accept (ACC) Read Port List (RPL) ELS command.
+ * It is to be called by the lpfc_els_rcv_rpl() routine to accept the RPL.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the RPL Accept Response ELS command.
+ *
+ * Return code
+ *   0 - Successfully issued ACC RPL ELS command
+ *   1 - Failed to issue ACC RPL ELS command
+ **/
 static int
 lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize,
 		     struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp)
@@ -3645,6 +4600,22 @@ lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize,
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_rpl: Process an unsolicited rpl iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Read Port List (RPL) IOCB received as an ELS
+ * unsolicited event. It first checks the remote port state. If the remote
+ * port is not in NLP_STE_UNMAPPED_NODE and NLP_STE_MAPPED_NODE states, it
+ * invokes the lpfc_els_rsp_reject() routine to send reject response.
+ * Otherwise, this routine then invokes the lpfc_els_rsp_rpl_acc() routine
+ * to accept the RPL.
+ *
+ * Return code
+ *   0 - Successfully processed rpl iocb (currently always return 0)
+ **/
 static int
 lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		 struct lpfc_nodelist *ndlp)
@@ -3685,6 +4656,30 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_farp: Process an unsolicited farp request els command.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Fibre Channel Address Resolution Protocol
+ * (FARP) Request IOCB received as an ELS unsolicited event. Currently,
+ * the lpfc driver only supports matching on WWPN or WWNN for FARP. As such,
+ * FARP_MATCH_PORT flag and FARP_MATCH_NODE flag are checked against the
+ * Match Flag in the FARP request IOCB: if FARP_MATCH_PORT flag is set, the
+ * remote PortName is compared against the FC PortName stored in the @vport
+ * data structure; if FARP_MATCH_NODE flag is set, the remote NodeName is
+ * compared against the FC NodeName stored in the @vport data structure.
+ * If any of these matches and the FARP_REQUEST_FARPR flag is set in the
+ * FARP request IOCB Response Flag, the lpfc_issue_els_farpr() routine is
+ * invoked to send out FARP Response to the remote node. Before sending the
+ * FARP Response, however, the FARP_REQUEST_PLOGI flag is check in the FARP
+ * request IOCB Response Flag and, if it is set, the lpfc_issue_els_plogi()
+ * routine is invoked to log into the remote port first.
+ *
+ * Return code
+ *   0 - Either the FARP Match Mode not supported or successfully processed
+ **/
 static int
 lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		  struct lpfc_nodelist *ndlp)
@@ -3744,6 +4739,20 @@ lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_farpr: Process an unsolicited farp response iocb.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes Fibre Channel Address Resolution Protocol
+ * Response (FARPR) IOCB received as an ELS unsolicited event. It simply
+ * invokes the lpfc_els_rsp_acc() routine to the remote node to accept
+ * the FARP response request.
+ *
+ * Return code
+ *   0 - Successfully processed FARPR IOCB (currently always return 0)
+ **/
 static int
 lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		   struct lpfc_nodelist  *ndlp)
@@ -3768,6 +4777,25 @@ lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_rcv_fan: Process an unsolicited fan iocb command.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @fan_ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes a Fabric Address Notification (FAN) IOCB
+ * command received as an ELS unsolicited event. The FAN ELS command will
+ * only be processed on a physical port (i.e., the @vport represents the
+ * physical port). The fabric NodeName and PortName from the FAN IOCB are
+ * compared against those in the phba data structure. If any of those is
+ * different, the lpfc_initial_flogi() routine is invoked to initialize
+ * Fabric Login (FLOGI) to the fabric to start the discover over. Otherwise,
+ * if both of those are identical, the lpfc_issue_fabric_reglogin() routine
+ * is invoked to register login to the fabric.
+ *
+ * Return code
+ *   0 - Successfully processed fan iocb (currently always return 0).
+ **/
 static int
 lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		 struct lpfc_nodelist *fan_ndlp)
@@ -3797,6 +4825,16 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	return 0;
 }
 
+/**
+ * lpfc_els_timeout: Handler funciton to the els timer.
+ * @ptr: holder for the timer function associated data.
+ *
+ * This routine is invoked by the ELS timer after timeout. It posts the ELS
+ * timer timeout event by setting the WORKER_ELS_TMO bit to the work port
+ * event bitmap and then invokes the lpfc_worker_wake_up() routine to wake
+ * up the worker thread. It is for the worker thread to invoke the routine
+ * lpfc_els_timeout_handler() to work on the posted event WORKER_ELS_TMO.
+ **/
 void
 lpfc_els_timeout(unsigned long ptr)
 {
@@ -3816,6 +4854,15 @@ lpfc_els_timeout(unsigned long ptr)
 	return;
 }
 
+/**
+ * lpfc_els_timeout_handler: Process an els timeout event.
+ * @vport: pointer to a virtual N_Port data structure.
+ *
+ * This routine is the actual handler function that processes an ELS timeout
+ * event. It walks the ELS ring to get and abort all the IOCBs (except the
+ * ABORT/CLOSE/FARP/FARPR/FDISC), which are associated with the @vport by
+ * invoking the lpfc_sli_issue_abort_iotag() routine.
+ **/
 void
 lpfc_els_timeout_handler(struct lpfc_vport *vport)
 {
@@ -3886,6 +4933,26 @@ lpfc_els_timeout_handler(struct lpfc_vport *vport)
 		mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
 }
 
+/**
+ * lpfc_els_flush_cmd: Clean up the outstanding els commands to a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine is used to clean up all the outstanding ELS commands on a
+ * @vport. It first aborts the @vport by invoking lpfc_fabric_abort_vport()
+ * routine. After that, it walks the ELS transmit queue to remove all the
+ * IOCBs with the @vport other than the QUE_RING and ABORT/CLOSE IOCBs. For
+ * the IOCBs with a non-NULL completion callback function, the callback
+ * function will be invoked with the status set to IOSTAT_LOCAL_REJECT and
+ * un.ulpWord[4] set to IOERR_SLI_ABORTED. For IOCBs with a NULL completion
+ * callback function, the IOCB will simply be released. Finally, it walks
+ * the ELS transmit completion queue to issue an abort IOCB to any transmit
+ * completion queue IOCB that is associated with the @vport and is not
+ * an IOCB from libdfc (i.e., the management plane IOCBs that are not
+ * part of the discovery state machine) out to HBA by invoking the
+ * lpfc_sli_issue_abort_iotag() routine. Note that this function issues the
+ * abort IOCB to any transmit completion queueed IOCB, it does not guarantee
+ * the IOCBs are aborted when this function returns.
+ **/
 void
 lpfc_els_flush_cmd(struct lpfc_vport *vport)
 {
@@ -3948,6 +5015,23 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport)
 	return;
 }
 
+/**
+ * lpfc_els_flush_all_cmd: Clean up all the outstanding els commands to a HBA.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is used to clean up all the outstanding ELS commands on a
+ * @phba. It first aborts the @phba by invoking the lpfc_fabric_abort_hba()
+ * routine. After that, it walks the ELS transmit queue to remove all the
+ * IOCBs to the @phba other than the QUE_RING and ABORT/CLOSE IOCBs. For
+ * the IOCBs with the completion callback function associated, the callback
+ * function will be invoked with the status set to IOSTAT_LOCAL_REJECT and
+ * un.ulpWord[4] set to IOERR_SLI_ABORTED. For IOCBs without the completion
+ * callback function associated, the IOCB will simply be released. Finally,
+ * it walks the ELS transmit completion queue to issue an abort IOCB to any
+ * transmit completion queue IOCB that is not an IOCB from libdfc (i.e., the
+ * management plane IOCBs that are not part of the discovery state machine)
+ * out to HBA by invoking the lpfc_sli_issue_abort_iotag() routine.
+ **/
 void
 lpfc_els_flush_all_cmd(struct lpfc_hba  *phba)
 {
@@ -3992,6 +5076,20 @@ lpfc_els_flush_all_cmd(struct lpfc_hba  *phba)
 	return;
 }
 
+/**
+ * lpfc_els_unsol_buffer: Process an unsolicited event data buffer.
+ * @phba: pointer to lpfc hba data structure.
+ * @pring: pointer to a SLI ring.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @elsiocb: pointer to lpfc els command iocb data structure.
+ *
+ * This routine is used for processing the IOCB associated with a unsolicited
+ * event. It first determines whether there is an existing ndlp that matches
+ * the DID from the unsolicited IOCB. If not, it will create a new one with
+ * the DID from the unsolicited IOCB. The ELS command from the unsolicited
+ * IOCB is then used to invoke the proper routine and to set up proper state
+ * of the discovery state machine.
+ **/
 static void
 lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		      struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb)
@@ -4282,6 +5380,19 @@ dropit:
 	phba->fc_stat.elsRcvDrop++;
 }
 
+/**
+ * lpfc_find_vport_by_vpid: Find a vport on a HBA through vport identifier.
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: host virtual N_Port identifier.
+ *
+ * This routine finds a vport on a HBA (referred by @phba) through a
+ * @vpi. The function walks the HBA's vport list and returns the address
+ * of the vport with the matching @vpi.
+ *
+ * Return code
+ *    NULL - No vport with the matching @vpi found
+ *    Otherwise - Address to the vport with the matching @vpi.
+ **/
 static struct lpfc_vport *
 lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
 {
@@ -4299,6 +5410,18 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
 	return NULL;
 }
 
+/**
+ * lpfc_els_unsol_event: Process an unsolicited event from an els sli ring.
+ * @phba: pointer to lpfc hba data structure.
+ * @pring: pointer to a SLI ring.
+ * @elsiocb: pointer to lpfc els iocb data structure.
+ *
+ * This routine is used to process an unsolicited event received from a SLI
+ * (Service Level Interface) ring. The actual processing of the data buffer
+ * associated with the unsolicited event is done by invoking the routine
+ * lpfc_els_unsol_buffer() after properly set up the iocb buffer from the
+ * SLI ring on which the unsolicited event was received.
+ **/
 void
 lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		     struct lpfc_iocbq *elsiocb)
@@ -4376,6 +5499,19 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	}
 }
 
+/**
+ * lpfc_do_scr_ns_plogi: Issue a plogi to the name server for scr.
+ * @phba: pointer to lpfc hba data structure.
+ * @vport: pointer to a virtual N_Port data structure.
+ *
+ * This routine issues a Port Login (PLOGI) to the Name Server with
+ * State Change Request (SCR) for a @vport. This routine will create an
+ * ndlp for the Name Server associated to the @vport if such node does
+ * not already exist. The PLOGI to Name Server is issued by invoking the
+ * lpfc_issue_els_plogi() routine. If Fabric-Device Management Interface
+ * (FDMI) is configured to the @vport, a FDMI node will be created and
+ * the PLOGI to FDMI is issued by invoking lpfc_issue_els_plogi() routine.
+ **/
 void
 lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
 {
@@ -4434,6 +5570,18 @@ lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport)
 	return;
 }
 
+/**
+ * lpfc_cmpl_reg_new_vport: Completion callback function to register new vport.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * This routine is the completion callback function to register new vport
+ * mailbox command. If the new vport mailbox command completes successfully,
+ * the fabric registration login shall be performed on physical port (the
+ * new vport created is actually a physical port, with VPI 0) or the port
+ * login to Name Server for State Change Request (SCR) will be performed
+ * on virtual port (real virtual port, with VPI greater than 0).
+ **/
 static void
 lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
@@ -4491,6 +5639,15 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	return;
 }
 
+/**
+ * lpfc_register_new_vport: Register a new vport with a HBA.
+ * @phba: pointer to lpfc hba data structure.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine registers the @vport as a new virtual port with a HBA.
+ * It is done through a registering vpi mailbox command.
+ **/
 static void
 lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport,
 			struct lpfc_nodelist *ndlp)
@@ -4531,6 +5688,26 @@ mbox_err_exit:
 	return;
 }
 
+/**
+ * lpfc_cmpl_els_fdisc: Completion function for fdisc iocb command.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion callback function to a Fabric Discover
+ * (FDISC) ELS command. Since all the FDISC ELS commands are issued
+ * single threaded, each FDISC completion callback function will reset
+ * the discovery timer for all vports such that the timers will not get
+ * unnecessary timeout. The function checks the FDISC IOCB status. If error
+ * detected, the vport will be set to FC_VPORT_FAILED state. Otherwise,the
+ * vport will set to FC_VPORT_ACTIVE state. It then checks whether the DID
+ * assigned to the vport has been changed with the completion of the FDISC
+ * command. If so, both RPI (Remote Port Index) and VPI (Virtual Port Index)
+ * are unregistered from the HBA, and then the lpfc_register_new_vport()
+ * routine is invoked to register new vport with the HBA. Otherwise, the
+ * lpfc_do_scr_ns_plogi() routine is invoked to issue a PLOGI to the Name
+ * Server for State Change Request (SCR).
+ **/
 static void
 lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		    struct lpfc_iocbq *rspiocb)
@@ -4617,6 +5794,26 @@ out:
 	lpfc_els_free_iocb(phba, cmdiocb);
 }
 
+/**
+ * lpfc_issue_els_fdisc: Issue a fdisc iocb command.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ * @retry: number of retries to the command IOCB.
+ *
+ * This routine prepares and issues a Fabric Discover (FDISC) IOCB to
+ * a remote node (@ndlp) off a @vport. It uses the lpfc_issue_fabric_iocb()
+ * routine to issue the IOCB, which makes sure only one outstanding fabric
+ * IOCB will be sent off HBA at any given time.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the FDISC ELS command.
+ *
+ * Return code
+ *   0 - Successfully issued fdisc iocb command
+ *   1 - Failed to issue fdisc iocb command
+ **/
 static int
 lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		     uint8_t retry)
@@ -4691,6 +5888,20 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	return 0;
 }
 
+/**
+ * lpfc_cmpl_els_npiv_logo: Completion function with vport logo.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the completion callback function to the issuing of a LOGO
+ * ELS command off a vport. It frees the command IOCB and then decrement the
+ * reference count held on ndlp for this completion function, indicating that
+ * the reference to the ndlp is no long needed. Note that the
+ * lpfc_els_free_iocb() routine decrements the ndlp reference held for this
+ * callback function and an additional explicit ndlp reference decrementation
+ * will trigger the actual release of the ndlp.
+ **/
 static void
 lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			struct lpfc_iocbq *rspiocb)
@@ -4712,6 +5923,22 @@ lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	lpfc_nlp_put(ndlp);
 }
 
+/**
+ * lpfc_issue_els_npiv_logo: Issue a logo off a vport.
+ * @vport: pointer to a virtual N_Port data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine issues a LOGO ELS command to an @ndlp off a @vport.
+ *
+ * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp
+ * will be incremented by 1 for holding the ndlp and the reference to ndlp
+ * will be stored into the context1 field of the IOCB for the completion
+ * callback function to the LOGO ELS command.
+ *
+ * Return codes
+ *   0 - Successfully issued logo off the @vport
+ *   1 - Failed to issue logo off the @vport
+ **/
 int
 lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 {
@@ -4757,6 +5984,17 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	return 0;
 }
 
+/**
+ * lpfc_fabric_block_timeout: Handler function to the fabric block timer.
+ * @ptr: holder for the timer function associated data.
+ *
+ * This routine is invoked by the fabric iocb block timer after
+ * timeout. It posts the fabric iocb block timeout event by setting the
+ * WORKER_FABRIC_BLOCK_TMO bit to work port event bitmap and then invokes
+ * lpfc_worker_wake_up() routine to wake up the worker thread. It is for
+ * the worker thread to invoke the lpfc_unblock_fabric_iocbs() on the
+ * posted event WORKER_FABRIC_BLOCK_TMO.
+ **/
 void
 lpfc_fabric_block_timeout(unsigned long ptr)
 {
@@ -4775,6 +6013,16 @@ lpfc_fabric_block_timeout(unsigned long ptr)
 	return;
 }
 
+/**
+ * lpfc_resume_fabric_iocbs: Issue a fabric iocb from driver internal list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine issues one fabric iocb from the driver internal list to
+ * the HBA. It first checks whether it's ready to issue one fabric iocb to
+ * the HBA (whether there is no outstanding fabric iocb). If so, it shall
+ * remove one pending fabric iocb from the driver internal list and invokes
+ * lpfc_sli_issue_iocb() routine to send the fabric iocb to the HBA.
+ **/
 static void
 lpfc_resume_fabric_iocbs(struct lpfc_hba *phba)
 {
@@ -4824,6 +6072,15 @@ repeat:
 	return;
 }
 
+/**
+ * lpfc_unblock_fabric_iocbs: Unblock issuing fabric iocb command.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine unblocks the  issuing fabric iocb command. The function
+ * will clear the fabric iocb block bit and then invoke the routine
+ * lpfc_resume_fabric_iocbs() to issue one of the pending fabric iocb
+ * from the driver internal fabric iocb list.
+ **/
 void
 lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba)
 {
@@ -4833,6 +6090,15 @@ lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba)
 	return;
 }
 
+/**
+ * lpfc_block_fabric_iocbs: Block issuing fabric iocb command.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine blocks the issuing fabric iocb for a specified amount of
+ * time (currently 100 ms). This is done by set the fabric iocb block bit
+ * and set up a timeout timer for 100ms. When the block bit is set, no more
+ * fabric iocb will be issued out of the HBA.
+ **/
 static void
 lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
 {
@@ -4846,6 +6112,19 @@ lpfc_block_fabric_iocbs(struct lpfc_hba *phba)
 	return;
 }
 
+/**
+ * lpfc_cmpl_fabric_iocb: Completion callback function for fabric iocb.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @rspiocb: pointer to lpfc response iocb data structure.
+ *
+ * This routine is the callback function that is put to the fabric iocb's
+ * callback function pointer (iocb->iocb_cmpl). The original iocb's callback
+ * function pointer has been stored in iocb->fabric_iocb_cmpl. This callback
+ * function first restores and invokes the original iocb's callback function
+ * and then invokes the lpfc_resume_fabric_iocbs() routine to issue the next
+ * fabric bound iocb from the driver internal fabric iocb list onto the wire.
+ **/
 static void
 lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	struct lpfc_iocbq *rspiocb)
@@ -4892,6 +6171,30 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	}
 }
 
+/**
+ * lpfc_issue_fabric_iocb: Issue a fabric iocb command.
+ * @phba: pointer to lpfc hba data structure.
+ * @iocb: pointer to lpfc command iocb data structure.
+ *
+ * This routine is used as the top-level API for issuing a fabric iocb command
+ * such as FLOGI and FDISC. To accommodate certain switch fabric, this driver
+ * function makes sure that only one fabric bound iocb will be outstanding at
+ * any given time. As such, this function will first check to see whether there
+ * is already an outstanding fabric iocb on the wire. If so, it will put the
+ * newly issued iocb onto the driver internal fabric iocb list, waiting to be
+ * issued later. Otherwise, it will issue the iocb on the wire and update the
+ * fabric iocb count it indicate that there is one fabric iocb on the wire.
+ *
+ * Note, this implementation has a potential sending out fabric IOCBs out of
+ * order. The problem is caused by the construction of the "ready" boolen does
+ * not include the condition that the internal fabric IOCB list is empty. As
+ * such, it is possible a fabric IOCB issued by this routine might be "jump"
+ * ahead of the fabric IOCBs in the internal list.
+ *
+ * Return code
+ *   IOCB_SUCCESS - either fabric iocb put on the list or issued successfully
+ *   IOCB_ERROR - failed to issue fabric iocb
+ **/
 static int
 lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
 {
@@ -4937,7 +6240,17 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
 	return ret;
 }
 
-
+/**
+ * lpfc_fabric_abort_vport: Abort a vport's iocbs from driver fabric iocb list.
+ * @vport: pointer to a virtual N_Port data structure.
+ *
+ * This routine aborts all the IOCBs associated with a @vport from the
+ * driver internal fabric IOCB list. The list contains fabric IOCBs to be
+ * issued to the ELS IOCB ring. This abort function walks the fabric IOCB
+ * list, removes each IOCB associated with the @vport off the list, set the
+ * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function
+ * associated with the IOCB.
+ **/
 static void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
 {
 	LIST_HEAD(completions);
@@ -4967,6 +6280,17 @@ static void lpfc_fabric_abort_vport(struct lpfc_vport *vport)
 	}
 }
 
+/**
+ * lpfc_fabric_abort_nport: Abort a ndlp's iocbs from driver fabric iocb list.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine aborts all the IOCBs associated with an @ndlp from the
+ * driver internal fabric IOCB list. The list contains fabric IOCBs to be
+ * issued to the ELS IOCB ring. This abort function walks the fabric IOCB
+ * list, removes each IOCB associated with the @ndlp off the list, set the
+ * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function
+ * associated with the IOCB.
+ **/
 void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
 {
 	LIST_HEAD(completions);
@@ -4996,6 +6320,17 @@ void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp)
 	}
 }
 
+/**
+ * lpfc_fabric_abort_hba: Abort all iocbs on driver fabric iocb list.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine aborts all the IOCBs currently on the driver internal
+ * fabric IOCB list. The list contains fabric IOCBs to be issued to the ELS
+ * IOCB ring. This function takes the entire IOCB list off the fabric IOCB
+ * list, removes IOCBs off the list, set the status feild to
+ * IOSTAT_LOCAL_REJECT, and invokes the callback function associated with
+ * the IOCB.
+ **/
 void lpfc_fabric_abort_hba(struct lpfc_hba *phba)
 {
 	LIST_HEAD(completions);
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index d51a2a4b43e..b9d553c2ac4 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -52,17 +52,20 @@ static struct scsi_transport_template *lpfc_transport_template = NULL;
 static struct scsi_transport_template *lpfc_vport_transport_template = NULL;
 static DEFINE_IDR(lpfc_hba_index);
 
-/************************************************************************/
-/*                                                                      */
-/*    lpfc_config_port_prep                                             */
-/*    This routine will do LPFC initialization prior to the             */
-/*    CONFIG_PORT mailbox command. This will be initialized             */
-/*    as a SLI layer callback routine.                                  */
-/*    This routine returns 0 on success or -ERESTART if it wants        */
-/*    the SLI layer to reset the HBA and try again. Any                 */
-/*    other return value indicates an error.                            */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_config_port_prep: Perform lpfc initialization prior to config port.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine will do LPFC initialization prior to issuing the CONFIG_PORT
+ * mailbox command. It retrieves the revision information from the HBA and
+ * collects the Vital Product Data (VPD) about the HBA for preparing the
+ * configuration of the HBA.
+ *
+ * Return codes:
+ *   0 - success.
+ *   -ERESTART - requests the SLI layer to reset the HBA and try again.
+ *   Any other value - indicates an error.
+ **/
 int
 lpfc_config_port_prep(struct lpfc_hba *phba)
 {
@@ -214,7 +217,16 @@ out_free_mbox:
 	return 0;
 }
 
-/* Completion handler for config async event mailbox command. */
+/**
+ * lpfc_config_async_cmpl: Completion handler for config async event mbox cmd.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmboxq: pointer to the driver internal queue element for mailbox command.
+ *
+ * This is the completion handler for driver's configuring asynchronous event
+ * mailbox command to the device. If the mailbox command returns successfully,
+ * it will set internal async event support flag to 1; otherwise, it will
+ * set internal async event support flag to 0.
+ **/
 static void
 lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 {
@@ -226,16 +238,19 @@ lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 	return;
 }
 
-/************************************************************************/
-/*                                                                      */
-/*    lpfc_config_port_post                                             */
-/*    This routine will do LPFC initialization after the                */
-/*    CONFIG_PORT mailbox command. This will be initialized             */
-/*    as a SLI layer callback routine.                                  */
-/*    This routine returns 0 on success. Any other return value         */
-/*    indicates an error.                                               */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_config_port_post: Perform lpfc initialization after config port.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine will do LPFC initialization after the CONFIG_PORT mailbox
+ * command call. It performs all internal resource and state setups on the
+ * port: post IOCB buffers, enable appropriate host interrupt attentions,
+ * ELS ring timers, etc.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
 int
 lpfc_config_port_post(struct lpfc_hba *phba)
 {
@@ -450,16 +465,17 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 	return (0);
 }
 
-/************************************************************************/
-/*                                                                      */
-/*    lpfc_hba_down_prep                                                */
-/*    This routine will do LPFC uninitialization before the             */
-/*    HBA is reset when bringing down the SLI Layer. This will be       */
-/*    initialized as a SLI layer callback routine.                      */
-/*    This routine returns 0 on success. Any other return value         */
-/*    indicates an error.                                               */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_hba_down_prep: Perform lpfc uninitialization prior to HBA reset.
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will do LPFC uninitialization before the HBA is reset when
+ * bringing down the SLI Layer.
+ *
+ * Return codes
+ *   0 - success.
+ *   Any other value - error.
+ **/
 int
 lpfc_hba_down_prep(struct lpfc_hba *phba)
 {
@@ -481,15 +497,17 @@ lpfc_hba_down_prep(struct lpfc_hba *phba)
 	return 0;
 }
 
-/************************************************************************/
-/*                                                                      */
-/*    lpfc_hba_down_post                                                */
-/*    This routine will do uninitialization after the HBA is reset      */
-/*    when bringing down the SLI Layer.                                 */
-/*    This routine returns 0 on success. Any other return value         */
-/*    indicates an error.                                               */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_hba_down_post: Perform lpfc uninitialization after HBA reset.
+ * @phba: pointer to lpfc HBA data structure.
+ *
+ * This routine will do uninitialization after the HBA is reset when bring
+ * down the SLI Layer.
+ *
+ * Return codes
+ *   0 - sucess.
+ *   Any other value - error.
+ **/
 int
 lpfc_hba_down_post(struct lpfc_hba *phba)
 {
@@ -548,7 +566,18 @@ lpfc_hba_down_post(struct lpfc_hba *phba)
 	return 0;
 }
 
-/* HBA heart beat timeout handler */
+/**
+ * lpfc_hb_timeout: The HBA-timer timeout handler.
+ * @ptr: unsigned long holds the pointer to lpfc hba data structure.
+ *
+ * This is the HBA-timer timeout handler registered to the lpfc driver. When
+ * this timer fires, a HBA timeout event shall be posted to the lpfc driver
+ * work-port-events bitmap and the worker thread is notified. This timeout
+ * event will be used by the worker thread to invoke the actual timeout
+ * handler routine, lpfc_hb_timeout_handler. Any periodical operations will
+ * be performed in the timeout handler and the HBA timeout event bit shall
+ * be cleared by the worker thread after it has taken the event bitmap out.
+ **/
 static void
 lpfc_hb_timeout(unsigned long ptr)
 {
@@ -568,6 +597,22 @@ lpfc_hb_timeout(unsigned long ptr)
 	return;
 }
 
+/**
+ * lpfc_hb_mbox_cmpl: The lpfc heart-beat mailbox command callback function.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmboxq: pointer to the driver internal queue element for mailbox command.
+ *
+ * This is the callback function to the lpfc heart-beat mailbox command.
+ * If configured, the lpfc driver issues the heart-beat mailbox command to
+ * the HBA every LPFC_HB_MBOX_INTERVAL (current 5) seconds. At the time the
+ * heart-beat mailbox command is issued, the driver shall set up heart-beat
+ * timeout timer to LPFC_HB_MBOX_TIMEOUT (current 30) seconds and marks
+ * heart-beat outstanding state. Once the mailbox command comes back and
+ * no error conditions detected, the heart-beat mailbox command timer is
+ * reset to LPFC_HB_MBOX_INTERVAL seconds and the heart-beat outstanding
+ * state is cleared for the next heart-beat. If the timer expired with the
+ * heart-beat outstanding state set, the driver will put the HBA offline.
+ **/
 static void
 lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 {
@@ -586,6 +631,22 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 	return;
 }
 
+/**
+ * lpfc_hb_timeout_handler: The HBA-timer timeout handler.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This is the actual HBA-timer timeout handler to be invoked by the worker
+ * thread whenever the HBA timer fired and HBA-timeout event posted. This
+ * handler performs any periodic operations needed for the device. If such
+ * periodic event has already been attended to either in the interrupt handler
+ * or by processing slow-ring or fast-ring events within the HBA-timer
+ * timeout window (LPFC_HB_MBOX_INTERVAL), this handler just simply resets
+ * the timer for the next timeout period. If lpfc heart-beat mailbox command
+ * is configured and there is no heart-beat mailbox command outstanding, a
+ * heart-beat mailbox is issued and timer set properly. Otherwise, if there
+ * has been a heart-beat mailbox command outstanding, the HBA shall be put
+ * to offline.
+ **/
 void
 lpfc_hb_timeout_handler(struct lpfc_hba *phba)
 {
@@ -684,6 +745,13 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
 	}
 }
 
+/**
+ * lpfc_offline_eratt: Bring lpfc offline on hardware error attention.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is called to bring the HBA offline when HBA hardware error
+ * other than Port Error 6 has been detected.
+ **/
 static void
 lpfc_offline_eratt(struct lpfc_hba *phba)
 {
@@ -704,14 +772,16 @@ lpfc_offline_eratt(struct lpfc_hba *phba)
 	return;
 }
 
-/************************************************************************/
-/*                                                                      */
-/*    lpfc_handle_eratt                                                 */
-/*    This routine will handle processing a Host Attention              */
-/*    Error Status event. This will be initialized                      */
-/*    as a SLI layer callback routine.                                  */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_handle_eratt: The HBA hardware error handler.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to handle the following HBA hardware error
+ * conditions:
+ * 1 - HBA error attention interrupt
+ * 2 - DMA ring index out of range
+ * 3 - Mailbox command came back as unknown
+ **/
 void
 lpfc_handle_eratt(struct lpfc_hba *phba)
 {
@@ -810,14 +880,13 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 	}
 }
 
-/************************************************************************/
-/*                                                                      */
-/*    lpfc_handle_latt                                                  */
-/*    This routine will handle processing a Host Attention              */
-/*    Link Status event. This will be initialized                       */
-/*    as a SLI layer callback routine.                                  */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_handle_latt: The HBA link event handler.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked from the worker thread to handle a HBA host
+ * attention link event.
+ **/
 void
 lpfc_handle_latt(struct lpfc_hba *phba)
 {
@@ -898,12 +967,20 @@ lpfc_handle_latt_err_exit:
 	return;
 }
 
-/************************************************************************/
-/*                                                                      */
-/*   lpfc_parse_vpd                                                     */
-/*   This routine will parse the VPD data                               */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_parse_vpd: Parse VPD (Vital Product Data).
+ * @phba: pointer to lpfc hba data structure.
+ * @vpd: pointer to the vital product data.
+ * @len: length of the vital product data in bytes.
+ *
+ * This routine parses the Vital Product Data (VPD). The VPD is treated as
+ * an array of characters. In this routine, the ModelName, ProgramType, and
+ * ModelDesc, etc. fields of the phba data structure will be populated.
+ *
+ * Return codes
+ *   0 - pointer to the VPD passed in is NULL
+ *   1 - success
+ **/
 static int
 lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
 {
@@ -1040,6 +1117,18 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
 	return(1);
 }
 
+/**
+ * lpfc_get_hba_model_desc: Retrieve HBA device model name and description.
+ * @phba: pointer to lpfc hba data structure.
+ * @mdp: pointer to the data structure to hold the derived model name.
+ * @descp: pointer to the data structure to hold the derived description.
+ *
+ * This routine retrieves HBA's description based on its registered PCI device
+ * ID. The @descp passed into this function points to an array of 256 chars. It
+ * shall be returned with the model name, maximum speed, and the host bus type.
+ * The @mdp passed into this function points to an array of 80 chars. When the
+ * function returns, the @mdp will be filled with the model name.
+ **/
 static void
 lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 {
@@ -1190,14 +1279,18 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 			 m.name, m.max_speed, m.bus);
 }
 
-/**************************************************/
-/*   lpfc_post_buffer                             */
-/*                                                */
-/*   This routine will post count buffers to the  */
-/*   ring with the QUE_RING_BUF_CN command. This  */
-/*   allows 3 buffers / command to be posted.     */
-/*   Returns the number of buffers NOT posted.    */
-/**************************************************/
+/**
+ * lpfc_post_buffer: Post IOCB(s) with DMA buffer descriptor(s) to a IOCB ring.
+ * @phba: pointer to lpfc hba data structure.
+ * @pring: pointer to a IOCB ring.
+ * @cnt: the number of IOCBs to be posted to the IOCB ring.
+ *
+ * This routine posts a given number of IOCBs with the associated DMA buffer
+ * descriptors specified by the cnt argument to the given IOCB ring.
+ *
+ * Return codes
+ *   The number of IOCBs NOT able to be posted to the IOCB ring.
+ **/
 int
 lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
 {
@@ -1287,12 +1380,17 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt)
 	return 0;
 }
 
-/************************************************************************/
-/*                                                                      */
-/*   lpfc_post_rcv_buf                                                  */
-/*   This routine post initial rcv buffers to the configured rings      */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_post_rcv_buf: Post the initial receive IOCB buffers to ELS ring.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine posts initial receive IOCB buffers to the ELS ring. The
+ * current number of initial IOCB buffers specified by LPFC_BUF_RING0 is
+ * set to 64 IOCBs.
+ *
+ * Return codes
+ *   0 - success (currently always success)
+ **/
 static int
 lpfc_post_rcv_buf(struct lpfc_hba *phba)
 {
@@ -1307,11 +1405,13 @@ lpfc_post_rcv_buf(struct lpfc_hba *phba)
 
 #define S(N,V) (((V)<<(N))|((V)>>(32-(N))))
 
-/************************************************************************/
-/*                                                                      */
-/*   lpfc_sha_init                                                      */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_sha_init: Set up initial array of hash table entries.
+ * @HashResultPointer: pointer to an array as hash table.
+ *
+ * This routine sets up the initial values to the array of hash table entries
+ * for the LC HBAs.
+ **/
 static void
 lpfc_sha_init(uint32_t * HashResultPointer)
 {
@@ -1322,11 +1422,16 @@ lpfc_sha_init(uint32_t * HashResultPointer)
 	HashResultPointer[4] = 0xC3D2E1F0;
 }
 
-/************************************************************************/
-/*                                                                      */
-/*   lpfc_sha_iterate                                                   */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_sha_iterate: Iterate initial hash table with the working hash table.
+ * @HashResultPointer: pointer to an initial/result hash table.
+ * @HashWorkingPointer: pointer to an working hash table.
+ *
+ * This routine iterates an initial hash table pointed by @HashResultPointer
+ * with the values from the working hash table pointeed by @HashWorkingPointer.
+ * The results are putting back to the initial hash table, returned through
+ * the @HashResultPointer as the result hash table.
+ **/
 static void
 lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
 {
@@ -1374,22 +1479,29 @@ lpfc_sha_iterate(uint32_t * HashResultPointer, uint32_t * HashWorkingPointer)
 
 }
 
-/************************************************************************/
-/*                                                                      */
-/*   lpfc_challenge_key                                                 */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_challenge_key: Create challenge key based on WWPN of the HBA.
+ * @RandomChallenge: pointer to the entry of host challenge random number array.
+ * @HashWorking: pointer to the entry of the working hash array.
+ *
+ * This routine calculates the working hash array referred by @HashWorking
+ * from the challenge random numbers associated with the host, referred by
+ * @RandomChallenge. The result is put into the entry of the working hash
+ * array and returned by reference through @HashWorking.
+ **/
 static void
 lpfc_challenge_key(uint32_t * RandomChallenge, uint32_t * HashWorking)
 {
 	*HashWorking = (*RandomChallenge ^ *HashWorking);
 }
 
-/************************************************************************/
-/*                                                                      */
-/*   lpfc_hba_init                                                      */
-/*                                                                      */
-/************************************************************************/
+/**
+ * lpfc_hba_init: Perform special handling for LC HBA initialization.
+ * @phba: pointer to lpfc hba data structure.
+ * @hbainit: pointer to an array of unsigned 32-bit integers.
+ *
+ * This routine performs the special handling for LC HBA initialization.
+ **/
 void
 lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
 {
@@ -1412,6 +1524,15 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit)
 	kfree(HashWorking);
 }
 
+/**
+ * lpfc_cleanup: Performs vport cleanups before deleting a vport.
+ * @vport: pointer to a virtual N_Port data structure.
+ *
+ * This routine performs the necessary cleanups before deleting the @vport.
+ * It invokes the discovery state machine to perform necessary state
+ * transitions and to release the ndlps associated with the @vport. Note,
+ * the physical port is treated as @vport 0.
+ **/
 void
 lpfc_cleanup(struct lpfc_vport *vport)
 {
@@ -1498,6 +1619,14 @@ lpfc_cleanup(struct lpfc_vport *vport)
 	return;
 }
 
+/**
+ * lpfc_stop_vport_timers: Stop all the timers associated with a vport.
+ * @vport: pointer to a virtual N_Port data structure.
+ *
+ * This routine stops all the timers associated with a @vport. This function
+ * is invoked before disabling or deleting a @vport. Note that the physical
+ * port is treated as @vport 0.
+ **/
 void
 lpfc_stop_vport_timers(struct lpfc_vport *vport)
 {
@@ -1507,6 +1636,13 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport)
 	return;
 }
 
+/**
+ * lpfc_stop_phba_timers: Stop all the timers associated with an HBA.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine stops all the timers associated with a HBA. This function is
+ * invoked before either putting a HBA offline or unloading the driver.
+ **/
 static void
 lpfc_stop_phba_timers(struct lpfc_hba *phba)
 {
@@ -1519,6 +1655,16 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba)
 	return;
 }
 
+/**
+ * lpfc_block_mgmt_io: Mark a HBA's management interface as blocked.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine marks a HBA's management interface as blocked. Once the HBA's
+ * management interface is marked as blocked, all the user space access to
+ * the HBA, whether they are from sysfs interface or libdfc interface will
+ * all be blocked. The HBA is set to block the management interface when the
+ * driver prepares the HBA interface for online or offline.
+ **/
 static void
 lpfc_block_mgmt_io(struct lpfc_hba * phba)
 {
@@ -1529,6 +1675,18 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba)
 	spin_unlock_irqrestore(&phba->hbalock, iflag);
 }
 
+/**
+ * lpfc_online: Initialize and bring a HBA online.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine initializes the HBA and brings a HBA online. During this
+ * process, the management interface is blocked to prevent user space access
+ * to the HBA interfering with the driver initialization.
+ *
+ * Return codes
+ *   0 - successful
+ *   1 - failed
+ **/
 int
 lpfc_online(struct lpfc_hba *phba)
 {
@@ -1574,6 +1732,17 @@ lpfc_online(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_unblock_mgmt_io: Mark a HBA's management interface to be not blocked.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine marks a HBA's management interface as not blocked. Once the
+ * HBA's management interface is marked as not blocked, all the user space
+ * access to the HBA, whether they are from sysfs interface or libdfc
+ * interface will be allowed. The HBA is set to block the management interface
+ * when the driver prepares the HBA interface for online or offline and then
+ * set to unblock the management interface afterwards.
+ **/
 void
 lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
 {
@@ -1584,6 +1753,14 @@ lpfc_unblock_mgmt_io(struct lpfc_hba * phba)
 	spin_unlock_irqrestore(&phba->hbalock, iflag);
 }
 
+/**
+ * lpfc_offline_prep: Prepare a HBA to be brought offline.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to prepare a HBA to be brought offline. It performs
+ * unregistration login to all the nodes on all vports and flushes the mailbox
+ * queue to make it ready to be brought offline.
+ **/
 void
 lpfc_offline_prep(struct lpfc_hba * phba)
 {
@@ -1633,6 +1810,14 @@ lpfc_offline_prep(struct lpfc_hba * phba)
 	lpfc_sli_flush_mbox_queue(phba);
 }
 
+/**
+ * lpfc_offline: Bring a HBA offline.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine actually brings a HBA offline. It stops all the timers
+ * associated with the HBA, brings down the SLI layer, and eventually
+ * marks the HBA as in offline state for the upper layer protocol.
+ **/
 void
 lpfc_offline(struct lpfc_hba *phba)
 {
@@ -1670,12 +1855,17 @@ lpfc_offline(struct lpfc_hba *phba)
 	lpfc_destroy_vport_work_array(phba, vports);
 }
 
-/******************************************************************************
-* Function name: lpfc_scsi_free
-*
-* Description: Called from lpfc_pci_remove_one free internal driver resources
-*
-******************************************************************************/
+/**
+ * lpfc_scsi_free: Free all the SCSI buffers and IOCBs from driver lists.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to free all the SCSI buffers and IOCBs from the driver
+ * list back to kernel. It is called from lpfc_pci_remove_one to free
+ * the internal resources before the device is removed from the system.
+ *
+ * Return codes
+ *   0 - successful (for now, it always returns 0)
+ **/
 static int
 lpfc_scsi_free(struct lpfc_hba *phba)
 {
@@ -1704,6 +1894,22 @@ lpfc_scsi_free(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_create_port: Create an FC port.
+ * @phba: pointer to lpfc hba data structure.
+ * @instance: a unique integer ID to this FC port.
+ * @dev: pointer to the device data structure.
+ *
+ * This routine creates a FC port for the upper layer protocol. The FC port
+ * can be created on top of either a physical port or a virtual port provided
+ * by the HBA. This routine also allocates a SCSI host data structure (shost)
+ * and associates the FC port created before adding the shost into the SCSI
+ * layer.
+ *
+ * Return codes
+ *   @vport - pointer to the virtual N_Port data structure.
+ *   NULL - port create failed.
+ **/
 struct lpfc_vport *
 lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
 {
@@ -1777,6 +1983,13 @@ out:
 	return NULL;
 }
 
+/**
+ * destroy_port: Destroy an FC port.
+ * @vport: pointer to an lpfc virtual N_Port data structure.
+ *
+ * This routine destroys a FC port from the upper layer protocol. All the
+ * resources associated with the port are released.
+ **/
 void
 destroy_port(struct lpfc_vport *vport)
 {
@@ -1797,6 +2010,16 @@ destroy_port(struct lpfc_vport *vport)
 	return;
 }
 
+/**
+ * lpfc_get_instance: Get a unique integer ID.
+ *
+ * This routine allocates a unique integer ID from lpfc_hba_index pool. It
+ * uses the kernel idr facility to perform the task.
+ *
+ * Return codes:
+ *   instance - a unique integer ID allocated as the new instance.
+ *   -1 - lpfc get instance failed.
+ **/
 int
 lpfc_get_instance(void)
 {
@@ -1810,11 +2033,21 @@ lpfc_get_instance(void)
 	return instance;
 }
 
-/*
- * Note: there is no scan_start function as adapter initialization
- * will have asynchronously kicked off the link initialization.
- */
-
+/**
+ * lpfc_scan_finished: method for SCSI layer to detect whether scan is done.
+ * @shost: pointer to SCSI host data structure.
+ * @time: elapsed time of the scan in jiffies.
+ *
+ * This routine is called by the SCSI layer with a SCSI host to determine
+ * whether the scan host is finished.
+ *
+ * Note: there is no scan_start function as adapter initialization will have
+ * asynchronously kicked off the link initialization.
+ *
+ * Return codes
+ *   0 - SCSI host scan is not over yet.
+ *   1 - SCSI host scan is over.
+ **/
 int lpfc_scan_finished(struct Scsi_Host *shost, unsigned long time)
 {
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
@@ -1858,6 +2091,13 @@ finished:
 	return stat;
 }
 
+/**
+ * lpfc_host_attrib_init: Initialize SCSI host attributes on a FC port.
+ * @shost: pointer to SCSI host data structure.
+ *
+ * This routine initializes a given SCSI host attributes on a FC port. The
+ * SCSI host can be either on top of a physical port or a virtual port.
+ **/
 void lpfc_host_attrib_init(struct Scsi_Host *shost)
 {
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
@@ -1906,6 +2146,25 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
 	spin_unlock_irq(shost->host_lock);
 }
 
+/**
+ * lpfc_enable_msix: Enable MSI-X interrupt mode.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to enable the MSI-X interrupt vectors. The kernel
+ * function pci_enable_msix() is called to enable the MSI-X vectors. Note that
+ * pci_enable_msix(), once invoked, enables either all or nothing, depending
+ * on the current availability of PCI vector resources. The device driver is
+ * responsible for calling the individual request_irq() to register each MSI-X
+ * vector with a interrupt handler, which is done in this function. Note that
+ * later when device is unloading, the driver should always call free_irq()
+ * on all MSI-X vectors it has done request_irq() on before calling
+ * pci_disable_msix(). Failure to do so results in a BUG_ON() and a device
+ * will be left with MSI-X enabled and leaks its vectors.
+ *
+ * Return codes
+ *   0 - sucessful
+ *   other values - error
+ **/
 static int
 lpfc_enable_msix(struct lpfc_hba *phba)
 {
@@ -1935,6 +2194,13 @@ lpfc_enable_msix(struct lpfc_hba *phba)
 	return error;
 }
 
+/**
+ * lpfc_disable_msix: Disable MSI-X interrupt mode.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is invoked to release the MSI-X vectors and then disable the
+ * MSI-X interrupt mode.
+ **/
 static void
 lpfc_disable_msix(struct lpfc_hba *phba)
 {
@@ -1942,6 +2208,23 @@ lpfc_disable_msix(struct lpfc_hba *phba)
 	pci_disable_msix(phba->pcidev);
 }
 
+/**
+ * lpfc_pci_probe_one: lpfc PCI probe func to register device to PCI subsystem.
+ * @pdev: pointer to PCI device
+ * @pid: pointer to PCI device identifier
+ *
+ * This routine is to be registered to the kernel's PCI subsystem. When an
+ * Emulex HBA is presented in PCI bus, the kernel PCI subsystem looks at
+ * PCI device-specific information of the device and driver to see if the
+ * driver state that it can support this kind of device. If the match is
+ * successful, the driver core invokes this routine. If this routine
+ * determines it can claim the HBA, it does all the initialization that it
+ * needs to do to handle the HBA properly.
+ *
+ * Return code
+ *   0 - driver can claim the device
+ *   negative value - driver can not claim the device
+ **/
 static int __devinit
 lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 {
@@ -2262,6 +2545,14 @@ out:
 	return error;
 }
 
+/**
+ * lpfc_pci_remove_one: lpfc PCI func to unregister device from PCI subsystem.
+ * @pdev: pointer to PCI device
+ *
+ * This routine is to be registered to the kernel's PCI subsystem. When an
+ * Emulex HBA is removed from PCI bus. It perform all the necessary cleanup
+ * for the HBA device to be removed from the PCI subsystem properly.
+ **/
 static void __devexit
 lpfc_pci_remove_one(struct pci_dev *pdev)
 {
@@ -2336,13 +2627,21 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
 }
 
 /**
- * lpfc_io_error_detected - called when PCI error is detected
- * @pdev: Pointer to PCI device
- * @state: The current pci conneection state
+ * lpfc_io_error_detected: Driver method for handling PCI I/O error detected.
+ * @pdev: pointer to PCI device.
+ * @state: the current PCI connection state.
  *
- * This function is called after a PCI bus error affecting
- * this device has been detected.
- */
+ * This routine is registered to the PCI subsystem for error handling. This
+ * function is called by the PCI subsystem after a PCI bus error affecting
+ * this device has been detected. When this function is invoked, it will
+ * need to stop all the I/Os and interrupt(s) to the device. Once that is
+ * done, it will return PCI_ERS_RESULT_NEED_RESET for the PCI subsystem to
+ * perform proper recovery as desired.
+ *
+ * Return codes
+ *   PCI_ERS_RESULT_NEED_RESET - need to reset before recovery
+ *   PCI_ERS_RESULT_DISCONNECT - device could not be recovered
+ **/
 static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
 				pci_channel_state_t state)
 {
@@ -2376,10 +2675,21 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
 }
 
 /**
- * lpfc_io_slot_reset - called after the pci bus has been reset.
- * @pdev: Pointer to PCI device
+ * lpfc_io_slot_reset: Restart a PCI device from scratch.
+ * @pdev: pointer to PCI device.
+ *
+ * This routine is registered to the PCI subsystem for error handling. This is
+ * called after PCI bus has been reset to restart the PCI card from scratch,
+ * as if from a cold-boot. During the PCI subsystem error recovery, after the
+ * driver returns PCI_ERS_RESULT_NEED_RESET, the PCI subsystem will perform
+ * proper error recovery and then call this routine before calling the .resume
+ * method to recover the device. This function will initialize the HBA device,
+ * enable the interrupt, but it will just put the HBA to offline state without
+ * passing any I/O traffic.
  *
- * Restart the card from scratch, as if from a cold-boot.
+ * Return codes
+ *   PCI_ERS_RESULT_RECOVERED - the device has been recovered
+ *   PCI_ERS_RESULT_DISCONNECT - device could not be recovered
  */
 static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
 {
@@ -2440,11 +2750,13 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
 }
 
 /**
- * lpfc_io_resume - called when traffic can start flowing again.
- * @pdev: Pointer to PCI device
+ * lpfc_io_resume: Resume PCI I/O operation.
+ * @pdev: pointer to PCI device
  *
- * This callback is called when the error recovery driver tells us that
- * its OK to resume normal operation.
+ * This routine is registered to the PCI subsystem for error handling. It is
+ * called when kernel error recovery tells the lpfc driver that it is ok to
+ * resume normal PCI operation after PCI bus error recovery. After this call,
+ * traffic can start to flow from this device again.
  */
 static void lpfc_io_resume(struct pci_dev *pdev)
 {
@@ -2540,6 +2852,18 @@ static struct pci_driver lpfc_driver = {
 	.err_handler    = &lpfc_err_handler,
 };
 
+/**
+ * lpfc_init: lpfc module initialization routine.
+ *
+ * This routine is to be invoked when the lpfc module is loaded into the
+ * kernel. The special kernel macro module_init() is used to indicate the
+ * role of this routine to the kernel as lpfc module entry point.
+ *
+ * Return codes
+ *   0 - successful
+ *   -ENOMEM - FC attach transport failed
+ *   all others - failed
+ */
 static int __init
 lpfc_init(void)
 {
@@ -2573,6 +2897,13 @@ lpfc_init(void)
 	return error;
 }
 
+/**
+ * lpfc_exit: lpfc module removal routine.
+ *
+ * This routine is invoked when the lpfc module is removed from the kernel.
+ * The special kernel macro module_exit() is used to indicate the role of
+ * this routine to the kernel as lpfc module exit point.
+ */
 static void __exit
 lpfc_exit(void)
 {
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 7a9be4c5b7c..7413bfdf89a 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -37,10 +37,20 @@
 #include "lpfc_crtn.h"
 #include "lpfc_compat.h"
 
-/**********************************************/
-
-/*                mailbox command             */
-/**********************************************/
+/**
+ * lpfc_dump_mem: Prepare a mailbox command for retrieving HBA's VPD memory.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ * @offset: offset for dumping VPD memory mailbox command.
+ *
+ * The dump mailbox command provides a method for the device driver to obtain
+ * various types of information from the HBA device.
+ *
+ * This routine prepares the mailbox command for dumping HBA Vital Product
+ * Data (VPD) memory. This mailbox command is to be used for retrieving a
+ * portion (DMP_RSP_SIZE bytes) of a HBA's VPD from the HBA at an address
+ * offset specified by the offset parameter.
+ **/
 void
 lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
 {
@@ -65,10 +75,17 @@ lpfc_dump_mem(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, uint16_t offset)
 	return;
 }
 
-/**********************************************/
-/*  lpfc_read_nv  Issue a READ NVPARAM        */
-/*                mailbox command             */
-/**********************************************/
+/**
+ * lpfc_read_nv: Prepare a mailbox command for reading HBA's NVRAM param.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The read NVRAM mailbox command returns the HBA's non-volatile parameters
+ * that are used as defaults when the Fibre Channel link is brought on-line.
+ *
+ * This routine prepares the mailbox command for reading information stored
+ * in the HBA's NVRAM. Specifically, the HBA's WWNN and WWPN.
+ **/
 void
 lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -81,10 +98,19 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
-/**********************************************/
-/*  lpfc_config_async  Issue a                */
-/*  MBX_ASYNC_EVT_ENABLE mailbox command      */
-/**********************************************/
+/**
+ * lpfc_config_async: Prepare a mailbox command for enabling HBA async event.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ * @ring: ring number for the asynchronous event to be configured.
+ *
+ * The asynchronous event enable mailbox command is used to enable the
+ * asynchronous event posting via the ASYNC_STATUS_CN IOCB response and
+ * specifies the default ring to which events are posted.
+ *
+ * This routine prepares the mailbox command for enabling HBA asynchronous
+ * event support on a IOCB ring.
+ **/
 void
 lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
 		uint32_t ring)
@@ -99,10 +125,19 @@ lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
 	return;
 }
 
-/**********************************************/
-/*  lpfc_heart_beat  Issue a HEART_BEAT       */
-/*                mailbox command             */
-/**********************************************/
+/**
+ * lpfc_heart_beat: Prepare a mailbox command for heart beat.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The heart beat mailbox command is used to detect an unresponsive HBA, which
+ * is defined as any device where no error attention is sent and both mailbox
+ * and rings are not processed.
+ *
+ * This routine prepares the mailbox command for issuing a heart beat in the
+ * form of mailbox command to the HBA. The timely completion of the heart
+ * beat mailbox command indicates the health of the HBA.
+ **/
 void
 lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -115,10 +150,26 @@ lpfc_heart_beat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
-/**********************************************/
-/*  lpfc_read_la  Issue a READ LA             */
-/*                mailbox command             */
-/**********************************************/
+/**
+ * lpfc_read_la: Prepare a mailbox command for reading HBA link attention.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ * @mp: DMA buffer memory for reading the link attention information into.
+ *
+ * The read link attention mailbox command is issued to read the Link Event
+ * Attention information indicated by the HBA port when the Link Event bit
+ * of the Host Attention (HSTATT) register is set to 1. A Link Event
+ * Attention occurs based on an exception detected at the Fibre Channel link
+ * interface.
+ *
+ * This routine prepares the mailbox command for reading HBA link attention
+ * information. A DMA memory has been set aside and address passed to the
+ * HBA through @mp for the HBA to DMA link attention information into the
+ * memory as part of the execution of the mailbox command.
+ *
+ * Return codes
+ *    0 - Success (currently always return 0)
+ **/
 int
 lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
 {
@@ -143,10 +194,21 @@ lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp)
 	return (0);
 }
 
-/**********************************************/
-/*  lpfc_clear_la  Issue a CLEAR LA           */
-/*                 mailbox command            */
-/**********************************************/
+/**
+ * lpfc_clear_la: Prepare a mailbox command for clearing HBA link attention.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The clear link attention mailbox command is issued to clear the link event
+ * attention condition indicated by the Link Event bit of the Host Attention
+ * (HSTATT) register. The link event attention condition is cleared only if
+ * the event tag specified matches that of the current link event counter.
+ * The current event tag is read using the read link attention event mailbox
+ * command.
+ *
+ * This routine prepares the mailbox command for clearing HBA link attention
+ * information.
+ **/
 void
 lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -161,10 +223,20 @@ lpfc_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
-/**************************************************/
-/*  lpfc_config_link  Issue a CONFIG LINK         */
-/*                    mailbox command             */
-/**************************************************/
+/**
+ * lpfc_config_link: Prepare a mailbox command for configuring link on a HBA.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The configure link mailbox command is used before the initialize link
+ * mailbox command to override default value and to configure link-oriented
+ * parameters such as DID address and various timers. Typically, this
+ * command would be used after an F_Port login to set the returned DID address
+ * and the fabric timeout values. This command is not valid before a configure
+ * port command has configured the HBA port.
+ *
+ * This routine prepares the mailbox command for configuring link on a HBA.
+ **/
 void
 lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -199,10 +271,20 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
-/**********************************************/
-/*  lpfc_init_link  Issue an INIT LINK        */
-/*                  mailbox command           */
-/**********************************************/
+/**
+ * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ * @topology: the link topology for the link to be initialized to.
+ * @linkspeed: the link speed for the link to be initialized to.
+ *
+ * The initialize link mailbox command is used to initialize the Fibre
+ * Channel link. This command must follow a configure port command that
+ * establishes the mode of operation.
+ *
+ * This routine prepares the mailbox command for initializing link on a HBA
+ * with the specified link topology and speed.
+ **/
 void
 lpfc_init_link(struct lpfc_hba * phba,
 	       LPFC_MBOXQ_t * pmb, uint32_t topology, uint32_t linkspeed)
@@ -269,10 +351,27 @@ lpfc_init_link(struct lpfc_hba * phba,
 	return;
 }
 
-/**********************************************/
-/*  lpfc_read_sparam  Issue a READ SPARAM     */
-/*                    mailbox command         */
-/**********************************************/
+/**
+ * lpfc_read_sparam: Prepare a mailbox command for reading HBA parameters.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ * @vpi: virtual N_Port identifier.
+ *
+ * The read service parameter mailbox command is used to read the HBA port
+ * service parameters. The service parameters are read into the buffer
+ * specified directly by a BDE in the mailbox command. These service
+ * parameters may then be used to build the payload of an N_Port/F_POrt
+ * login request and reply (LOGI/ACC).
+ *
+ * This routine prepares the mailbox command for reading HBA port service
+ * parameters. The DMA memory is allocated in this function and the addresses
+ * are populated into the mailbox command for the HBA to DMA the service
+ * parameters into.
+ *
+ * Return codes
+ *    0 - Success
+ *    1 - DMA memory allocation failed
+ **/
 int
 lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
 {
@@ -312,10 +411,21 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi)
 	return (0);
 }
 
-/********************************************/
-/*  lpfc_unreg_did  Issue a UNREG_DID       */
-/*                  mailbox command         */
-/********************************************/
+/**
+ * lpfc_unreg_did: Prepare a mailbox command for unregistering DID.
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: virtual N_Port identifier.
+ * @did: remote port identifier.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The unregister DID mailbox command is used to unregister an N_Port/F_Port
+ * login for an unknown RPI by specifying the DID of a remote port. This
+ * command frees an RPI context in the HBA port. This has the effect of
+ * performing an implicit N_Port/F_Port logout.
+ *
+ * This routine prepares the mailbox command for unregistering a remote
+ * N_Port/F_Port (DID) login.
+ **/
 void
 lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
 	       LPFC_MBOXQ_t * pmb)
@@ -333,10 +443,19 @@ lpfc_unreg_did(struct lpfc_hba * phba, uint16_t vpi, uint32_t did,
 	return;
 }
 
-/**********************************************/
-/*  lpfc_read_nv  Issue a READ CONFIG         */
-/*                mailbox command             */
-/**********************************************/
+/**
+ * lpfc_read_config: Prepare a mailbox command for reading HBA configuration.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The read configuration mailbox command is used to read the HBA port
+ * configuration parameters. This mailbox command provides a method for
+ * seeing any parameters that may have changed via various configuration
+ * mailbox commands.
+ *
+ * This routine prepares the mailbox command for reading out HBA configuration
+ * parameters.
+ **/
 void
 lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -350,10 +469,18 @@ lpfc_read_config(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
-/*************************************************/
-/*  lpfc_read_lnk_stat  Issue a READ LINK STATUS */
-/*                mailbox command                */
-/*************************************************/
+/**
+ * lpfc_read_lnk_stat: Prepare a mailbox command for reading HBA link stats.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The read link status mailbox command is used to read the link status from
+ * the HBA. Link status includes all link-related error counters. These
+ * counters are maintained by the HBA and originated in the link hardware
+ * unit. Note that all of these counters wrap.
+ *
+ * This routine prepares the mailbox command for reading out HBA link status.
+ **/
 void
 lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -367,10 +494,30 @@ lpfc_read_lnk_stat(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
-/********************************************/
-/*  lpfc_reg_login  Issue a REG_LOGIN       */
-/*                  mailbox command         */
-/********************************************/
+/**
+ * lpfc_reg_login: Prepare a mailbox command for registering remote login.
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: virtual N_Port identifier.
+ * @did: remote port identifier.
+ * @param: pointer to memory holding the server parameters.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ * @flag: action flag to be passed back for the complete function.
+ *
+ * The registration login mailbox command is used to register an N_Port or
+ * F_Port login. This registration allows the HBA to cache the remote N_Port
+ * service parameters internally and thereby make the appropriate FC-2
+ * decisions. The remote port service parameters are handed off by the driver
+ * to the HBA using a descriptor entry that directly identifies a buffer in
+ * host memory. In exchange, the HBA returns an RPI identifier.
+ *
+ * This routine prepares the mailbox command for registering remote port login.
+ * The function allocates DMA buffer for passing the service parameters to the
+ * HBA with the mailbox command.
+ *
+ * Return codes
+ *    0 - Success
+ *    1 - DMA memory allocation failed
+ **/
 int
 lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
 	       uint8_t *param, LPFC_MBOXQ_t *pmb, uint32_t flag)
@@ -418,10 +565,20 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did,
 	return (0);
 }
 
-/**********************************************/
-/*  lpfc_unreg_login  Issue a UNREG_LOGIN     */
-/*                    mailbox command         */
-/**********************************************/
+/**
+ * lpfc_unreg_login: Prepare a mailbox command for unregistering remote login.
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: virtual N_Port identifier.
+ * @rpi: remote port identifier
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The unregistration login mailbox command is used to unregister an N_Port
+ * or F_Port login. This command frees an RPI context in the HBA. It has the
+ * effect of performing an implicit N_Port/F_Port logout.
+ *
+ * This routine prepares the mailbox command for unregistering remote port
+ * login.
+ **/
 void
 lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
 		 LPFC_MBOXQ_t * pmb)
@@ -440,10 +597,21 @@ lpfc_unreg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t rpi,
 	return;
 }
 
-/**************************************************/
-/*  lpfc_reg_vpi   Issue a REG_VPI                */
-/*                    mailbox command             */
-/**************************************************/
+/**
+ * lpfc_reg_vpi: Prepare a mailbox command for registering vport identifier.
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: virtual N_Port identifier.
+ * @sid: Fibre Channel S_ID (N_Port_ID assigned to a virtual N_Port).
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The registration vport identifier mailbox command is used to activate a
+ * virtual N_Port after it has acquired an N_Port_ID. The HBA validates the
+ * N_Port_ID against the information in the selected virtual N_Port context
+ * block and marks it active to allow normal processing of IOCB commands and
+ * received unsolicited exchanges.
+ *
+ * This routine prepares the mailbox command for registering a virtual N_Port.
+ **/
 void
 lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid,
 	     LPFC_MBOXQ_t *pmb)
@@ -461,10 +629,22 @@ lpfc_reg_vpi(struct lpfc_hba *phba, uint16_t vpi, uint32_t sid,
 
 }
 
-/**************************************************/
-/*  lpfc_unreg_vpi   Issue a UNREG_VNPI           */
-/*                    mailbox command             */
-/**************************************************/
+/**
+ * lpfc_unreg_vpi: Prepare a mailbox command for unregistering vport id.
+ * @phba: pointer to lpfc hba data structure.
+ * @vpi: virtual N_Port identifier.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The unregistration vport identifier mailbox command is used to inactivate
+ * a virtual N_Port. The driver must have logged out and unregistered all
+ * remote N_Ports to abort any activity on the virtual N_Port. The HBA will
+ * unregisters any default RPIs associated with the specified vpi, aborting
+ * any active exchanges. The HBA will post the mailbox response after making
+ * the virtual N_Port inactive.
+ *
+ * This routine prepares the mailbox command for unregistering a virtual
+ * N_Port.
+ **/
 void
 lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
 {
@@ -479,6 +659,13 @@ lpfc_unreg_vpi(struct lpfc_hba *phba, uint16_t vpi, LPFC_MBOXQ_t *pmb)
 
 }
 
+/**
+ * lpfc_config_pcb_setup: Set up IOCB rings in the Port Control Block (PCB)
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine sets up and initializes the IOCB rings in the Port Control
+ * Block (PCB).
+ **/
 static void
 lpfc_config_pcb_setup(struct lpfc_hba * phba)
 {
@@ -536,6 +723,20 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba)
 	}
 }
 
+/**
+ * lpfc_read_rev: Prepare a mailbox command for reading HBA revision.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The read revision mailbox command is used to read the revision levels of
+ * the HBA components. These components include hardware units, resident
+ * firmware, and available firmware. HBAs that supports SLI-3 mode of
+ * operation provide different response information depending on the version
+ * requested by the driver.
+ *
+ * This routine prepares the mailbox command for reading HBA revision
+ * information.
+ **/
 void
 lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -548,6 +749,16 @@ lpfc_read_rev(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
+/**
+ * lpfc_build_hbq_profile2: Set up the HBQ Selection Profile 2.
+ * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
+ * @hbq_desc: pointer to the HBQ selection profile descriptor.
+ *
+ * The Host Buffer Queue (HBQ) Selection Profile 2 specifies that the HBA
+ * tests the incoming frames' R_CTL/TYPE fields with works 10:15 and performs
+ * the Sequence Length Test using the fields in the Selection Profile 2
+ * extension in words 20:31.
+ **/
 static void
 lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
 			struct lpfc_hbq_init  *hbq_desc)
@@ -557,6 +768,16 @@ lpfc_build_hbq_profile2(struct config_hbq_var *hbqmb,
 	hbqmb->profiles.profile2.seqlenoff  = hbq_desc->seqlenoff;
 }
 
+/**
+ * lpfc_build_hbq_profile3: Set up the HBQ Selection Profile 3.
+ * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
+ * @hbq_desc: pointer to the HBQ selection profile descriptor.
+ *
+ * The Host Buffer Queue (HBQ) Selection Profile 3 specifies that the HBA
+ * tests the incoming frame's R_CTL/TYPE fields with words 10:15 and performs
+ * the Sequence Length Test and Byte Field Test using the fields in the
+ * Selection Profile 3 extension in words 20:31.
+ **/
 static void
 lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
 			struct lpfc_hbq_init  *hbq_desc)
@@ -569,6 +790,17 @@ lpfc_build_hbq_profile3(struct config_hbq_var *hbqmb,
 	       sizeof(hbqmb->profiles.profile3.cmdmatch));
 }
 
+/**
+ * lpfc_build_hbq_profile5: Set up the HBQ Selection Profile 5.
+ * @hbqmb: pointer to the HBQ configuration data structure in mailbox command.
+ * @hbq_desc: pointer to the HBQ selection profile descriptor.
+ *
+ * The Host Buffer Queue (HBQ) Selection Profile 5 specifies a header HBQ. The
+ * HBA tests the initial frame of an incoming sequence using the frame's
+ * R_CTL/TYPE fields with words 10:15 and performs the Sequence Length Test
+ * and Byte Field Test using the fields in the Selection Profile 5 extension
+ * words 20:31.
+ **/
 static void
 lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
 			struct lpfc_hbq_init  *hbq_desc)
@@ -581,6 +813,20 @@ lpfc_build_hbq_profile5(struct config_hbq_var *hbqmb,
 	       sizeof(hbqmb->profiles.profile5.cmdmatch));
 }
 
+/**
+ * lpfc_config_hbq: Prepare a mailbox command for configuring an HBQ.
+ * @phba: pointer to lpfc hba data structure.
+ * @id: HBQ identifier.
+ * @hbq_desc: pointer to the HBA descriptor data structure.
+ * @hbq_entry_index: index of the HBQ entry data structures.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The configure HBQ (Host Buffer Queue) mailbox command is used to configure
+ * an HBQ. The configuration binds events that require buffers to a particular
+ * ring and HBQ based on a selection profile.
+ *
+ * This routine prepares the mailbox command for configuring an HBQ.
+ **/
 void
 lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
 		 struct lpfc_hbq_init *hbq_desc,
@@ -641,8 +887,23 @@ lpfc_config_hbq(struct lpfc_hba *phba, uint32_t id,
 	return;
 }
 
-
-
+/**
+ * lpfc_config_ring: Prepare a mailbox command for configuring an IOCB ring.
+ * @phba: pointer to lpfc hba data structure.
+ * @ring:
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The configure ring mailbox command is used to configure an IOCB ring. This
+ * configuration binds from one to six of HBA RC_CTL/TYPE mask entries to the
+ * ring. This is used to map incoming sequences to a particular ring whose
+ * RC_CTL/TYPE mask entry matches that of the sequence. The driver should not
+ * attempt to configure a ring whose number is greater than the number
+ * specified in the Port Control Block (PCB). It is an error to issue the
+ * configure ring command more than once with the same ring number. The HBA
+ * returns an error if the driver attempts this.
+ *
+ * This routine prepares the mailbox command for configuring IOCB ring.
+ **/
 void
 lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
 {
@@ -684,6 +945,20 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
+/**
+ * lpfc_config_port: Prepare a mailbox command for configuring port.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The configure port mailbox command is used to identify the Port Control
+ * Block (PCB) in the driver memory. After this command is issued, the
+ * driver must not access the mailbox in the HBA without first resetting
+ * the HBA. The HBA may copy the PCB information to internal storage for
+ * subsequent use; the driver can not change the PCB information unless it
+ * resets the HBA.
+ *
+ * This routine prepares the mailbox command for configuring port.
+ **/
 void
 lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
@@ -839,6 +1114,21 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 			      sizeof(PCB_t));
 }
 
+/**
+ * lpfc_kill_board: Prepare a mailbox command for killing board.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The kill board mailbox command is used to tell firmware to perform a
+ * graceful shutdown of a channel on a specified board to prepare for reset.
+ * When the kill board mailbox command is received, the ER3 bit is set to 1
+ * in the Host Status register and the ER Attention bit is set to 1 in the
+ * Host Attention register of the HBA function that received the kill board
+ * command.
+ *
+ * This routine prepares the mailbox command for killing the board in
+ * preparation for a graceful shutdown.
+ **/
 void
 lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 {
@@ -850,6 +1140,16 @@ lpfc_kill_board(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
+/**
+ * lpfc_mbox_put: Put a mailbox cmd into the tail of driver's mailbox queue.
+ * @phba: pointer to lpfc hba data structure.
+ * @mbq: pointer to the driver internal queue element for mailbox command.
+ *
+ * Driver maintains a internal mailbox command queue implemented as a linked
+ * list. When a mailbox command is issued, it shall be put into the mailbox
+ * command queue such that they shall be processed orderly as HBA can process
+ * one mailbox command at a time.
+ **/
 void
 lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 {
@@ -864,6 +1164,20 @@ lpfc_mbox_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 	return;
 }
 
+/**
+ * lpfc_mbox_get: Remove a mailbox cmd from the head of driver's mailbox queue.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * Driver maintains a internal mailbox command queue implemented as a linked
+ * list. When a mailbox command is issued, it shall be put into the mailbox
+ * command queue such that they shall be processed orderly as HBA can process
+ * one mailbox command at a time. After HBA finished processing a mailbox
+ * command, the driver will remove a pending mailbox command from the head of
+ * the mailbox command queue and send to the HBA for processing.
+ *
+ * Return codes
+ *    pointer to the driver internal queue element for mailbox command.
+ **/
 LPFC_MBOXQ_t *
 lpfc_mbox_get(struct lpfc_hba * phba)
 {
@@ -877,6 +1191,17 @@ lpfc_mbox_get(struct lpfc_hba * phba)
 	return mbq;
 }
 
+/**
+ * lpfc_mbox_cmpl_put: Put mailbox command into mailbox command complete list.
+ * @phba: pointer to lpfc hba data structure.
+ * @mbq: pointer to the driver internal queue element for mailbox command.
+ *
+ * This routine put the completed mailbox command into the mailbox command
+ * complete list. This routine is called from driver interrupt handler
+ * context.The mailbox complete list is used by the driver worker thread
+ * to process mailbox complete callback functions outside the driver interrupt
+ * handler.
+ **/
 void
 lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 {
@@ -887,6 +1212,17 @@ lpfc_mbox_cmpl_put(struct lpfc_hba * phba, LPFC_MBOXQ_t * mbq)
 	return;
 }
 
+/**
+ * lpfc_mbox_tmo_val: Retrieve mailbox command timeout value.
+ * @phba: pointer to lpfc hba data structure.
+ * @cmd: mailbox command code.
+ *
+ * This routine retrieves the proper timeout value according to the mailbox
+ * command code.
+ *
+ * Return codes
+ *    Timeout value to be used for the given mailbox command
+ **/
 int
 lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd)
 {
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 3c0cebc7180..50d9136a6e0 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
+ * Copyright (C) 2004-2008 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
@@ -39,7 +39,21 @@
 #define LPFC_MEM_POOL_SIZE      64      /* max elem in non-DMA safety pool */
 
 
-
+/**
+ * lpfc_mem_alloc: create and allocate all PCI and memory pools
+ * @phba: HBA to allocate pools for
+ *
+ * Description: Creates and allocates PCI pools lpfc_scsi_dma_buf_pool,
+ * lpfc_mbuf_pool, lpfc_hbq_pool.  Creates and allocates kmalloc-backed mempools
+ * for LPFC_MBOXQ_t and lpfc_nodelist.  Also allocates the VPI bitmask.
+ *
+ * Notes: Not interrupt-safe.  Must be called with no locks held.  If any
+ * allocation fails, frees all successfully allocated memory before returning.
+ *
+ * Returns:
+ *   0 on success
+ *   -ENOMEM on failure (if any memory allocations fail)
+ **/
 int
 lpfc_mem_alloc(struct lpfc_hba * phba)
 {
@@ -120,6 +134,16 @@ lpfc_mem_alloc(struct lpfc_hba * phba)
 	return -ENOMEM;
 }
 
+/**
+ * lpfc_mem_free: Frees all PCI and memory allocated by lpfc_mem_alloc
+ * @phba: HBA to free memory for
+ *
+ * Description: Frees PCI pools lpfc_scsi_dma_buf_pool, lpfc_mbuf_pool,
+ * lpfc_hbq_pool.  Frees kmalloc-backed mempools for LPFC_MBOXQ_t and
+ * lpfc_nodelist.  Also frees the VPI bitmask.
+ *
+ * Returns: None
+ **/
 void
 lpfc_mem_free(struct lpfc_hba * phba)
 {
@@ -181,12 +205,29 @@ lpfc_mem_free(struct lpfc_hba * phba)
 	phba->lpfc_scsi_dma_buf_pool = NULL;
 	phba->lpfc_mbuf_pool = NULL;
 
-				/* Free the iocb lookup array */
+	/* Free the iocb lookup array */
 	kfree(psli->iocbq_lookup);
 	psli->iocbq_lookup = NULL;
-
 }
 
+/**
+ * lpfc_mbuf_alloc: Allocate an mbuf from the lpfc_mbuf_pool PCI pool
+ * @phba: HBA which owns the pool to allocate from
+ * @mem_flags: indicates if this is a priority (MEM_PRI) allocation
+ * @handle: used to return the DMA-mapped address of the mbuf
+ *
+ * Description: Allocates a DMA-mapped buffer from the lpfc_mbuf_pool PCI pool.
+ * Allocates from generic pci_pool_alloc function first and if that fails and
+ * mem_flags has MEM_PRI set (the only defined flag), returns an mbuf from the
+ * HBA's pool.
+ *
+ * Notes: Not interrupt-safe.  Must be called with no locks held.  Takes
+ * phba->hbalock.
+ *
+ * Returns:
+ *   pointer to the allocated mbuf on success
+ *   NULL on failure
+ **/
 void *
 lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
 {
@@ -206,6 +247,20 @@ lpfc_mbuf_alloc(struct lpfc_hba *phba, int mem_flags, dma_addr_t *handle)
 	return ret;
 }
 
+/**
+ * __lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (locked)
+ * @phba: HBA which owns the pool to return to
+ * @virt: mbuf to free
+ * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
+ *
+ * Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if
+ * it is below its max_count, frees the mbuf otherwise.
+ *
+ * Notes: Must be called with phba->hbalock held to synchronize access to
+ * lpfc_mbuf_safety_pool.
+ *
+ * Returns: None
+ **/
 void
 __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
 {
@@ -221,7 +276,21 @@ __lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
 	return;
 }
 
+/**
+ * lpfc_mem_free: Free an mbuf from the lpfc_mbuf_pool PCI pool (unlocked)
+ * @phba: HBA which owns the pool to return to
+ * @virt: mbuf to free
+ * @dma: the DMA-mapped address of the lpfc_mbuf_pool to be freed
+ *
+ * Description: Returns an mbuf lpfc_mbuf_pool to the lpfc_mbuf_safety_pool if
+ * it is below its max_count, frees the mbuf otherwise.
+ *
+ * Notes: Takes phba->hbalock.  Can be called with or without other locks held.
+ *
+ * Returns: None
+ **/
 void
+
 lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
 {
 	unsigned long iflags;
@@ -232,6 +301,19 @@ lpfc_mbuf_free(struct lpfc_hba * phba, void *virt, dma_addr_t dma)
 	return;
 }
 
+/**
+ * lpfc_els_hbq_alloc: Allocate an HBQ buffer
+ * @phba: HBA to allocate HBQ buffer for
+ *
+ * Description: Allocates a DMA-mapped HBQ buffer from the lpfc_hbq_pool PCI
+ * pool along a non-DMA-mapped container for it.
+ *
+ * Notes: Not interrupt-safe.  Must be called with no locks held.
+ *
+ * Returns:
+ *   pointer to HBQ on success
+ *   NULL on failure
+ **/
 struct hbq_dmabuf *
 lpfc_els_hbq_alloc(struct lpfc_hba *phba)
 {
@@ -251,6 +333,18 @@ lpfc_els_hbq_alloc(struct lpfc_hba *phba)
 	return hbqbp;
 }
 
+/**
+ * lpfc_mem_hbq_free: Frees an HBQ buffer allocated with lpfc_els_hbq_alloc
+ * @phba: HBA buffer was allocated for
+ * @hbqbp: HBQ container returned by lpfc_els_hbq_alloc
+ *
+ * Description: Frees both the container and the DMA-mapped buffer returned by
+ * lpfc_els_hbq_alloc.
+ *
+ * Notes: Can be called with or without locks held.
+ *
+ * Returns: None
+ **/
 void
 lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
 {
@@ -259,7 +353,18 @@ lpfc_els_hbq_free(struct lpfc_hba *phba, struct hbq_dmabuf *hbqbp)
 	return;
 }
 
-/* This is ONLY called for the LPFC_ELS_HBQ */
+/**
+ * lpfc_in_buf_free: Free a DMA buffer
+ * @phba: HBA buffer is associated with
+ * @mp: Buffer to free
+ *
+ * Description: Frees the given DMA buffer in the appropriate way given if the
+ * HBA is running in SLI3 mode with HBQs enabled.
+ *
+ * Notes: Takes phba->hbalock.  Can be called with or without other locks held.
+ *
+ * Returns: None
+ **/
 void
 lpfc_in_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp)
 {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 50fe0764673..3cf488496d8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -66,10 +66,16 @@ typedef enum _lpfc_iocb_type {
 	LPFC_ABORT_IOCB
 } lpfc_iocb_type;
 
-		/* SLI-2/SLI-3 provide different sized iocbs.  Given a pointer
-		 * to the start of the ring, and the slot number of the
-		 * desired iocb entry, calc a pointer to that entry.
-		 */
+/**
+ * lpfc_cmd_iocb: Get next command iocb entry in the ring.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function returns pointer to next command iocb entry
+ * in the command ring. The caller must hold hbalock to prevent
+ * other threads consume the next command iocb.
+ * SLI-2/SLI-3 provide different sized iocbs.
+ **/
 static inline IOCB_t *
 lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -77,6 +83,16 @@ lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 			   pring->cmdidx * phba->iocb_cmd_size);
 }
 
+/**
+ * lpfc_resp_iocb: Get next response iocb entry in the ring.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function returns pointer to next response iocb entry
+ * in the response ring. The caller must hold hbalock to make sure
+ * that no other thread consume the next response iocb.
+ * SLI-2/SLI-3 provide different sized iocbs.
+ **/
 static inline IOCB_t *
 lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -84,6 +100,15 @@ lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 			   pring->rspidx * phba->iocb_rsp_size);
 }
 
+/**
+ * __lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called with hbalock held. This function
+ * allocates a new driver iocb object from the iocb pool. If the
+ * allocation is successful, it returns pointer to the newly
+ * allocated iocb object else it returns NULL.
+ **/
 static struct lpfc_iocbq *
 __lpfc_sli_get_iocbq(struct lpfc_hba *phba)
 {
@@ -94,6 +119,15 @@ __lpfc_sli_get_iocbq(struct lpfc_hba *phba)
 	return iocbq;
 }
 
+/**
+ * lpfc_sli_get_iocbq: Allocates an iocb object from iocb pool.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called with no lock held. This function
+ * allocates a new driver iocb object from the iocb pool. If the
+ * allocation is successful, it returns pointer to the newly
+ * allocated iocb object else it returns NULL.
+ **/
 struct lpfc_iocbq *
 lpfc_sli_get_iocbq(struct lpfc_hba *phba)
 {
@@ -106,6 +140,16 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba)
 	return iocbq;
 }
 
+/**
+ * __lpfc_sli_release_iocbq: Release iocb to the iocb pool.
+ * @phba: Pointer to HBA context object.
+ * @iocbq: Pointer to driver iocb object.
+ *
+ * This function is called with hbalock held to release driver
+ * iocb object to the iocb pool. The iotag in the iocb object
+ * does not change for each use of the iocb object. This function
+ * clears all other fields of the iocb object when it is freed.
+ **/
 static void
 __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 {
@@ -118,6 +162,14 @@ __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 	list_add_tail(&iocbq->list, &phba->lpfc_iocb_list);
 }
 
+/**
+ * lpfc_sli_release_iocbq: Release iocb to the iocb pool.
+ * @phba: Pointer to HBA context object.
+ * @iocbq: Pointer to driver iocb object.
+ *
+ * This function is called with no lock held to release the iocb to
+ * iocb pool.
+ **/
 void
 lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 {
@@ -131,10 +183,21 @@ lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 	spin_unlock_irqrestore(&phba->hbalock, iflags);
 }
 
-/*
- * Translate the iocb command to an iocb command type used to decide the final
- * disposition of each completed IOCB.
- */
+/**
+ * lpfc_sli_iocb_cmd_type: Get the iocb type.
+ * @iocb_cmnd : iocb command code.
+ *
+ * This function is called by ring event handler function to get the iocb type.
+ * This function translates the iocb command to an iocb command type used to
+ * decide the final disposition of each completed IOCB.
+ * The function returns
+ * LPFC_UNKNOWN_IOCB if it is an unsupported iocb
+ * LPFC_SOL_IOCB     if it is a solicited iocb completion
+ * LPFC_ABORT_IOCB   if it is an abort iocb
+ * LPFC_UNSOL_IOCB   if it is an unsolicited iocb
+ *
+ * The caller is not required to hold any lock.
+ **/
 static lpfc_iocb_type
 lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
 {
@@ -230,6 +293,17 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
 	return type;
 }
 
+/**
+ * lpfc_sli_ring_map: Issue config_ring mbox for all rings.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called from SLI initialization code
+ * to configure every ring of the HBA's SLI interface. The
+ * caller is not required to hold any lock. This function issues
+ * a config_ring mailbox command for each ring.
+ * This function returns zero if successful else returns a negative
+ * error code.
+ **/
 static int
 lpfc_sli_ring_map(struct lpfc_hba *phba)
 {
@@ -262,6 +336,18 @@ lpfc_sli_ring_map(struct lpfc_hba *phba)
 	return ret;
 }
 
+/**
+ * lpfc_sli_ringtxcmpl_put: Adds new iocb to the txcmplq.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @piocb: Pointer to the driver iocb object.
+ *
+ * This function is called with hbalock held. The function adds the
+ * new iocb to txcmplq of the given ring. This function always returns
+ * 0. If this function is called for ELS ring, this function checks if
+ * there is a vport associated with the ELS command. This function also
+ * starts els_tmofunc timer if this is an ELS command.
+ **/
 static int
 lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			struct lpfc_iocbq *piocb)
@@ -282,6 +368,16 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return 0;
 }
 
+/**
+ * lpfc_sli_ringtx_get: Get first element of the txq.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function is called with hbalock held to get next
+ * iocb in txq of the given ring. If there is any iocb in
+ * the txq, the function returns first iocb in the list after
+ * removing the iocb from the list, else it returns NULL.
+ **/
 static struct lpfc_iocbq *
 lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -293,6 +389,20 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	return cmd_iocb;
 }
 
+/**
+ * lpfc_sli_next_iocb_slot: Get next iocb slot in the ring.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function is called with hbalock held and the caller must post the
+ * iocb without releasing the lock. If the caller releases the lock,
+ * iocb slot returned by the function is not guaranteed to be available.
+ * The function returns pointer to the next available iocb slot if there
+ * is available slot in the ring, else it returns NULL.
+ * If the get index of the ring is ahead of the put index, the function
+ * will post an error attention event to the worker thread to take the
+ * HBA to offline state.
+ **/
 static IOCB_t *
 lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -336,6 +446,18 @@ lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	return lpfc_cmd_iocb(phba, pring);
 }
 
+/**
+ * lpfc_sli_next_iotag: Get an iotag for the iocb.
+ * @phba: Pointer to HBA context object.
+ * @iocbq: Pointer to driver iocb object.
+ *
+ * This function gets an iotag for the iocb. If there is no unused iotag and
+ * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup
+ * array and assigns a new iotag.
+ * The function returns the allocated iotag if successful, else returns zero.
+ * Zero is not a valid iotag.
+ * The caller is not required to hold any lock.
+ **/
 uint16_t
 lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 {
@@ -399,6 +521,20 @@ lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 	return 0;
 }
 
+/**
+ * lpfc_sli_submit_iocb: Submit an iocb to the firmware.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @iocb: Pointer to iocb slot in the ring.
+ * @nextiocb: Pointer to driver iocb object which need to be
+ *            posted to firmware.
+ *
+ * This function is called with hbalock held to post a new iocb to
+ * the firmware. This function copies the new iocb to ring iocb slot and
+ * updates the ring pointers. It adds the new iocb to txcmplq if there is
+ * a completion call back for this iocb else the function will free the
+ * iocb object.
+ **/
 static void
 lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		IOCB_t *iocb, struct lpfc_iocbq *nextiocb)
@@ -441,6 +577,18 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	writel(pring->cmdidx, &phba->host_gp[pring->ringno].cmdPutInx);
 }
 
+/**
+ * lpfc_sli_update_full_ring: Update the chip attention register.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * The caller is not required to hold any lock for calling this function.
+ * This function updates the chip attention bits for the ring to inform firmware
+ * that there are pending work to be done for this ring and requests an
+ * interrupt when there is space available in the ring. This function is
+ * called when the driver is unable to post more iocbs to the ring due
+ * to unavailability of space in the ring.
+ **/
 static void
 lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -460,6 +608,15 @@ lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	pring->stats.iocb_cmd_full++;
 }
 
+/**
+ * lpfc_sli_update_ring: Update chip attention register.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function updates the chip attention register bit for the
+ * given ring to inform HBA that there is more work to be done
+ * in this ring. The caller is not required to hold any lock.
+ **/
 static void
 lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -473,6 +630,15 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	readl(phba->CAregaddr); /* flush */
 }
 
+/**
+ * lpfc_sli_resume_iocb: Process iocbs in the txq.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function is called with hbalock held to post pending iocbs
+ * in the txq to the firmware. This function is called when driver
+ * detects space available in the ring.
+ **/
 static void
 lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -504,6 +670,16 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	return;
 }
 
+/**
+ * lpfc_sli_next_hbq_slot: Get next hbq entry for the HBQ.
+ * @phba: Pointer to HBA context object.
+ * @hbqno: HBQ number.
+ *
+ * This function is called with hbalock held to get the next
+ * available slot for the given HBQ. If there is free slot
+ * available for the HBQ it will return pointer to the next available
+ * HBQ entry else it will return NULL.
+ **/
 static struct lpfc_hbq_entry *
 lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno)
 {
@@ -539,6 +715,15 @@ lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno)
 			hbqp->hbqPutIdx;
 }
 
+/**
+ * lpfc_sli_hbqbuf_free_all: Free all the hbq buffers.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called with no lock held to free all the
+ * hbq buffers while uninitializing the SLI interface. It also
+ * frees the HBQ buffers returned by the firmware but not yet
+ * processed by the upper layers.
+ **/
 void
 lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
 {
@@ -584,6 +769,18 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
 	spin_unlock_irqrestore(&phba->hbalock, flags);
 }
 
+/**
+ * lpfc_sli_hbq_to_firmware: Post the hbq buffer to firmware.
+ * @phba: Pointer to HBA context object.
+ * @hbqno: HBQ number.
+ * @hbq_buf: Pointer to HBQ buffer.
+ *
+ * This function is called with the hbalock held to post a
+ * hbq buffer to the firmware. If the function finds an empty
+ * slot in the HBQ, it will post the buffer. The function will return
+ * pointer to the hbq entry if it successfully post the buffer
+ * else it will return NULL.
+ **/
 static struct lpfc_hbq_entry *
 lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno,
 			 struct hbq_dmabuf *hbq_buf)
@@ -612,6 +809,7 @@ lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno,
 	return hbqe;
 }
 
+/* HBQ for ELS and CT traffic. */
 static struct lpfc_hbq_init lpfc_els_hbq = {
 	.rn = 1,
 	.entry_count = 200,
@@ -623,6 +821,7 @@ static struct lpfc_hbq_init lpfc_els_hbq = {
 	.add_count = 5,
 };
 
+/* HBQ for the extra ring if needed */
 static struct lpfc_hbq_init lpfc_extra_hbq = {
 	.rn = 1,
 	.entry_count = 200,
@@ -634,11 +833,22 @@ static struct lpfc_hbq_init lpfc_extra_hbq = {
 	.add_count = 5,
 };
 
+/* Array of HBQs */
 struct lpfc_hbq_init *lpfc_hbq_defs[] = {
 	&lpfc_els_hbq,
 	&lpfc_extra_hbq,
 };
 
+/**
+ * lpfc_sli_hbqbuf_fill_hbqs: Post more hbq buffers to HBQ.
+ * @phba: Pointer to HBA context object.
+ * @hbqno: HBQ number.
+ * @count: Number of HBQ buffers to be posted.
+ *
+ * This function is called with no lock held to post more
+ * hbq buffers to the given HBQ. The function returns 0
+ * when successful and returns 1 other wise.
+ **/
 static int
 lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
 {
@@ -679,6 +889,15 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
 	return 1;
 }
 
+/**
+ * lpfc_sli_hbqbuf_add_hbqs: Post more HBQ buffers to firmware.
+ * @phba: Pointer to HBA context object.
+ * @qno: HBQ number.
+ *
+ * This function posts more buffers to the HBQ. This function
+ * is called with no lock held. The function returns 0 when
+ * successful and returns 1 otherwise.
+ **/
 int
 lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
 {
@@ -686,6 +905,15 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
 					 lpfc_hbq_defs[qno]->add_count));
 }
 
+/**
+ * lpfc_sli_hbqbuf_init_hbqs: Post initial buffers to the HBQ.
+ * @phba: Pointer to HBA context object.
+ * @qno:  HBQ queue number.
+ *
+ * This function is called from SLI initialization code path with
+ * no lock held to post initial HBQ buffers to firmware. The
+ * function returns 0 when successful and returns 1 otherwise.
+ **/
 static int
 lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
 {
@@ -693,6 +921,16 @@ lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
 					 lpfc_hbq_defs[qno]->init_count));
 }
 
+/**
+ * lpfc_sli_hbqbuf_find: Find the hbq buffer associated with a tag.
+ * @phba: Pointer to HBA context object.
+ * @tag: Tag of the hbq buffer.
+ *
+ * This function is called with hbalock held. This function searches
+ * for the hbq buffer associated with the given tag in the hbq buffer
+ * list. If it finds the hbq buffer, it returns the hbq_buffer other wise
+ * it returns NULL.
+ **/
 static struct hbq_dmabuf *
 lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag)
 {
@@ -716,6 +954,15 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag)
 	return NULL;
 }
 
+/**
+ * lpfc_sli_free_hbq: Give back the hbq buffer to firmware.
+ * @phba: Pointer to HBA context object.
+ * @hbq_buffer: Pointer to HBQ buffer.
+ *
+ * This function is called with hbalock. This function gives back
+ * the hbq buffer to firmware. If the HBQ does not have space to
+ * post the buffer, it will free the buffer.
+ **/
 void
 lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer)
 {
@@ -729,6 +976,15 @@ lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer)
 	}
 }
 
+/**
+ * lpfc_sli_chk_mbx_command: Check if the mailbox is a legitimate mailbox.
+ * @mbxCommand: mailbox command code.
+ *
+ * This function is called by the mailbox event handler function to verify
+ * that the completed mailbox command is a legitimate mailbox command. If the
+ * completed mailbox is not known to the function, it will return MBX_SHUTDOWN
+ * and the mailbox event handler will take the HBA offline.
+ **/
 static int
 lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
 {
@@ -793,6 +1049,19 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
 	}
 	return ret;
 }
+
+/**
+ * lpfc_sli_wake_mbox_wait: Completion handler for mbox issued from
+ *          lpfc_sli_issue_mbox_wait.
+ * @phba: Pointer to HBA context object.
+ * @pmboxq: Pointer to mailbox command.
+ *
+ * This is completion handler function for mailbox commands issued from
+ * lpfc_sli_issue_mbox_wait function. This function is called by the
+ * mailbox event handler function with no lock held. This function
+ * will wake up thread waiting on the wait queue pointed by context1
+ * of the mailbox.
+ **/
 static void
 lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
 {
@@ -812,6 +1081,17 @@ lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
 	return;
 }
 
+
+/**
+ * lpfc_sli_def_mbox_cmpl: Default mailbox completion handler.
+ * @phba: Pointer to HBA context object.
+ * @pmb: Pointer to mailbox object.
+ *
+ * This function is the default mailbox completion handler. It
+ * frees the memory resources associated with the completed mailbox
+ * command. If the completed command is a REG_LOGIN mailbox command,
+ * this function will issue a UREG_LOGIN to re-claim the RPI.
+ **/
 void
 lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 {
@@ -846,6 +1126,19 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	return;
 }
 
+/**
+ * lpfc_sli_handle_mb_event: Handle mailbox completions from firmware.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called with no lock held. This function processes all
+ * the completed mailbox commands and gives it to upper layers. The interrupt
+ * service routine processes mailbox completion interrupt and adds completed
+ * mailbox commands to the mboxq_cmpl queue and signals the worker thread.
+ * Worker thread call lpfc_sli_handle_mb_event, which will return the
+ * completed mailbox commands in mboxq_cmpl queue to the upper layers. This
+ * function returns the mailbox commands to the upper layer by calling the
+ * completion handler function of each mailbox.
+ **/
 int
 lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
 {
@@ -953,6 +1246,16 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_sli_replace_hbqbuff: Replace the HBQ buffer with a new buffer.
+ * @phba: Pointer to HBA context object.
+ * @tag: Tag for the HBQ buffer.
+ *
+ * This function is called from unsolicited event handler code path to get the
+ * HBQ buffer associated with an unsolicited iocb. This function is called with
+ * no lock held. It returns the buffer associated with the given tag and posts
+ * another buffer to the firmware.
+ **/
 static struct lpfc_dmabuf *
 lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
 {
@@ -997,6 +1300,18 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
 	return &new_hbq_entry->dbuf;
 }
 
+/**
+ * lpfc_sli_get_buff: Get the buffer associated with the buffer tag.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @tag: buffer tag.
+ *
+ * This function is called with no lock held. When QUE_BUFTAG_BIT bit
+ * is set in the tag the buffer is posted for a particular exchange,
+ * the function will return the buffer without replacing the buffer.
+ * If the buffer is for unsolicited ELS or CT traffic, this function
+ * returns the buffer and also posts another buffer to the firmware.
+ **/
 static struct lpfc_dmabuf *
 lpfc_sli_get_buff(struct lpfc_hba *phba,
 			struct lpfc_sli_ring *pring,
@@ -1008,6 +1323,21 @@ lpfc_sli_get_buff(struct lpfc_hba *phba,
 		return lpfc_sli_replace_hbqbuff(phba, tag);
 }
 
+
+/**
+ * lpfc_sli_process_unsol_iocb: Unsolicited iocb handler.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @saveq: Pointer to the unsolicited iocb.
+ *
+ * This function is called with no lock held by the ring event handler
+ * when there is an unsolicited iocb posted to the response ring by the
+ * firmware. This function gets the buffer associated with the iocbs
+ * and calls the event handler for the ring. This function handles both
+ * qring buffers and hbq buffers.
+ * When the function returns 1 the caller can free the iocb object otherwise
+ * upper layer functions will free the iocb objects.
+ **/
 static int
 lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			    struct lpfc_iocbq *saveq)
@@ -1192,6 +1522,18 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return 1;
 }
 
+/**
+ * lpfc_sli_iocbq_lookup: Find command iocb for the given response iocb.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @prspiocb: Pointer to response iocb object.
+ *
+ * This function looks up the iocb_lookup table to get the command iocb
+ * corresponding to the given response iocb using the iotag of the
+ * response iocb. This function is called with the hbalock held.
+ * This function returns the command iocb object if it finds the command
+ * iocb else returns NULL.
+ **/
 static struct lpfc_iocbq *
 lpfc_sli_iocbq_lookup(struct lpfc_hba *phba,
 		      struct lpfc_sli_ring *pring,
@@ -1217,6 +1559,23 @@ lpfc_sli_iocbq_lookup(struct lpfc_hba *phba,
 	return NULL;
 }
 
+/**
+ * lpfc_sli_process_sol_iocb: process solicited iocb completion.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @saveq: Pointer to the response iocb to be processed.
+ *
+ * This function is called by the ring event handler for non-fcp
+ * rings when there is a new response iocb in the response ring.
+ * The caller is not required to hold any locks. This function
+ * gets the command iocb associated with the response iocb and
+ * calls the completion handler for the command iocb. If there
+ * is no completion handler, the function will free the resources
+ * associated with command iocb. If the response iocb is for
+ * an already aborted command iocb, the status of the completion
+ * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED.
+ * This function always returns 1.
+ **/
 static int
 lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			  struct lpfc_iocbq *saveq)
@@ -1282,6 +1641,16 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return rc;
 }
 
+/**
+ * lpfc_sli_rsp_pointers_error: Response ring pointer error handler.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function is called from the iocb ring event handlers when
+ * put pointer is ahead of the get pointer for a ring. This function signal
+ * an error attention condition to the worker thread and the worker
+ * thread will transition the HBA to offline state.
+ **/
 static void
 lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -1312,6 +1681,21 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	return;
 }
 
+/**
+ * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called from lpfc_queuecommand, lpfc_poll_timeout,
+ * lpfc_abort_handler and lpfc_slave_configure when FCP_RING_POLLING
+ * is enabled.
+ *
+ * The caller does not hold any lock.
+ * The function processes each response iocb in the response ring until it
+ * finds an iocb with LE bit set and chains all the iocbs upto the iocb with
+ * LE bit set. The function will call the completion handler of the command iocb
+ * if the response iocb indicates a completion for a command iocb or it is
+ * an abort completion.
+ **/
 void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
 {
 	struct lpfc_sli      *psli  = &phba->sli;
@@ -1465,10 +1849,23 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
 	return;
 }
 
-/*
+/**
+ * lpfc_sli_handle_fast_ring_event: Handle ring events on FCP ring.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @mask: Host attention register mask for this ring.
+ *
+ * This function is called from the interrupt context when there is a ring
+ * event for the fcp ring. The caller does not hold any lock.
+ * The function processes each response iocb in the response ring until it
+ * finds an iocb with LE bit set and chains all the iocbs upto the iocb with
+ * LE bit set. The function will call the completion handler of the command iocb
+ * if the response iocb indicates a completion for a command iocb or it is
+ * an abort completion. The function will call lpfc_sli_process_unsol_iocb
+ * function if this is an unsolicited iocb.
  * This routine presumes LPFC_FCP_RING handling and doesn't bother
- * to check it explicitly.
- */
+ * to check it explicitly. This function always returns 1.
+ **/
 static int
 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
 				struct lpfc_sli_ring *pring, uint32_t mask)
@@ -1646,6 +2043,23 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
 	return rc;
 }
 
+/**
+ * lpfc_sli_handle_slow_ring_event: Handle ring events for non-FCP rings.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @mask: Host attention register mask for this ring.
+ *
+ * This function is called from the worker thread when there is a ring
+ * event for non-fcp rings. The caller does not hold any lock .
+ * The function processes each response iocb in the response ring until it
+ * finds an iocb with LE bit set and chains all the iocbs upto the iocb with
+ * LE bit set. The function will call lpfc_sli_process_sol_iocb function if the
+ * response iocb indicates a completion of a command iocb. The function
+ * will call lpfc_sli_process_unsol_iocb function if this is an unsolicited
+ * iocb. The function frees the resources or calls the completion handler if
+ * this iocb is an abort completion. The function returns 0 when the allocated
+ * iocbs are not freed, otherwise returns 1.
+ **/
 int
 lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
 				struct lpfc_sli_ring *pring, uint32_t mask)
@@ -1904,6 +2318,16 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
 	return rc;
 }
 
+/**
+ * lpfc_sli_abort_iocb_ring: Abort all iocbs in the ring.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ *
+ * This function aborts all iocbs in the given ring and frees all the iocb
+ * objects in txq. This function issues an abort iocb for all the iocb commands
+ * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
+ * the return of this function. The caller is not required to hold any locks.
+ **/
 void
 lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
@@ -1943,6 +2367,19 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	}
 }
 
+/**
+ * lpfc_sli_brdready: Check for host status bits.
+ * @phba: Pointer to HBA context object.
+ * @mask: Bit mask to be checked.
+ *
+ * This function reads the host status register and compares
+ * with the provided bit mask to check if HBA completed
+ * the restart. This function will wait in a loop for the
+ * HBA to complete restart. If the HBA does not restart within
+ * 15 iterations, the function will reset the HBA again. The
+ * function returns 1 when HBA fail to restart otherwise returns
+ * zero.
+ **/
 int
 lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask)
 {
@@ -1990,6 +2427,13 @@ lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask)
 
 #define BARRIER_TEST_PATTERN (0xdeadbeef)
 
+/**
+ * lpfc_reset_barrier: Make HBA ready for HBA reset.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called before resetting an HBA. This
+ * function requests HBA to quiesce DMAs before a reset.
+ **/
 void lpfc_reset_barrier(struct lpfc_hba *phba)
 {
 	uint32_t __iomem *resp_buf;
@@ -2063,6 +2507,17 @@ restore_hc:
 	readl(phba->HCregaddr); /* flush */
 }
 
+/**
+ * lpfc_sli_brdkill: Issue a kill_board mailbox command.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function issues a kill_board mailbox command and waits for
+ * the error attention interrupt. This function is called for stopping
+ * the firmware processing. The caller is not required to hold any
+ * locks. This function calls lpfc_hba_down_post function to free
+ * any pending commands after the kill. The function will return 1 when it
+ * fails to kill the board else will return 0.
+ **/
 int
 lpfc_sli_brdkill(struct lpfc_hba *phba)
 {
@@ -2139,6 +2594,17 @@ lpfc_sli_brdkill(struct lpfc_hba *phba)
 	return ha_copy & HA_ERATT ? 0 : 1;
 }
 
+/**
+ * lpfc_sli_brdreset: Reset the HBA.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function resets the HBA by writing HC_INITFF to the control
+ * register. After the HBA resets, this function resets all the iocb ring
+ * indices. This function disables PCI layer parity checking during
+ * the reset.
+ * This function returns 0 always.
+ * The caller is not required to hold any locks.
+ **/
 int
 lpfc_sli_brdreset(struct lpfc_hba *phba)
 {
@@ -2191,6 +2657,19 @@ lpfc_sli_brdreset(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_sli_brdrestart: Restart the HBA.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called in the SLI initialization code path to
+ * restart the HBA. The caller is not required to hold any lock.
+ * This function writes MBX_RESTART mailbox command to the SLIM and
+ * resets the HBA. At the end of the function, it calls lpfc_hba_down_post
+ * function to free any pending commands. The function enables
+ * POST only during the first initialization. The function returns zero.
+ * The function does not guarantee completion of MBX_RESTART mailbox
+ * command before the return of this function.
+ **/
 int
 lpfc_sli_brdrestart(struct lpfc_hba *phba)
 {
@@ -2251,6 +2730,16 @@ lpfc_sli_brdrestart(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_sli_chipset_init: Wait for the restart of the HBA after a restart.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called after a HBA restart to wait for successful
+ * restart of the HBA. Successful restart of the HBA is indicated by
+ * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15
+ * iteration, the function will restart the HBA again. The function returns
+ * zero if HBA successfully restarted else returns negative error code.
+ **/
 static int
 lpfc_sli_chipset_init(struct lpfc_hba *phba)
 {
@@ -2336,12 +2825,25 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_sli_hbq_count: Get the number of HBQs to be configured.
+ *
+ * This function calculates and returns the number of HBQs required to be
+ * configured.
+ **/
 int
 lpfc_sli_hbq_count(void)
 {
 	return ARRAY_SIZE(lpfc_hbq_defs);
 }
 
+/**
+ * lpfc_sli_hbq_entry_count: Calculate total number of hbq entries.
+ *
+ * This function adds the number of hbq entries in every HBQ to get
+ * the total number of hbq entries required for the HBA and returns
+ * the total count.
+ **/
 static int
 lpfc_sli_hbq_entry_count(void)
 {
@@ -2354,12 +2856,27 @@ lpfc_sli_hbq_entry_count(void)
 	return count;
 }
 
+/**
+ * lpfc_sli_hbq_size: Calculate memory required for all hbq entries.
+ *
+ * This function calculates amount of memory required for all hbq entries
+ * to be configured and returns the total memory required.
+ **/
 int
 lpfc_sli_hbq_size(void)
 {
 	return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry);
 }
 
+/**
+ * lpfc_sli_hbq_setup: configure and initialize HBQs.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called during the SLI initialization to configure
+ * all the HBQs and post buffers to the HBQ. The caller is not
+ * required to hold any locks. This function will return zero if successful
+ * else it will return negative error code.
+ **/
 static int
 lpfc_sli_hbq_setup(struct lpfc_hba *phba)
 {
@@ -2422,6 +2939,19 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_do_config_port: Issue config port mailbox command.
+ * @phba: Pointer to HBA context object.
+ * @sli_mode: sli mode - 2/3
+ *
+ * This function is called by the sli intialization code path
+ * to issue config_port mailbox command. This function restarts the
+ * HBA firmware and issues a config_port mailbox command to configure
+ * the SLI interface in the sli mode specified by sli_mode
+ * variable. The caller is not required to hold any locks.
+ * The function returns 0 if successful, else returns negative error
+ * code.
+ **/
 static int
 lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
 {
@@ -2500,6 +3030,20 @@ do_prep_failed:
 	return rc;
 }
 
+
+/**
+ * lpfc_sli_hba_setup: SLI intialization function.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is the main SLI intialization function. This function
+ * is called by the HBA intialization code, HBA reset code and HBA
+ * error attention handler code. Caller is not required to hold any
+ * locks. This function issues config_port mailbox command to configure
+ * the SLI, setup iocb rings and HBQ rings. In the end the function
+ * calls the config_port_post function to issue init_link mailbox
+ * command and to start the discovery. The function will return zero
+ * if successful, else it will return negative error code.
+ **/
 int
 lpfc_sli_hba_setup(struct lpfc_hba *phba)
 {
@@ -2581,19 +3125,19 @@ lpfc_sli_hba_setup_error:
 	return rc;
 }
 
-/*! lpfc_mbox_timeout
- *
- * \pre
- * \post
- * \param hba Pointer to per struct lpfc_hba structure
- * \param l1  Pointer to the driver's mailbox queue.
- * \return
- *   void
- *
- * \b Description:
+
+/**
+ * lpfc_mbox_timeout: Timeout call back function for mbox timer.
+ * @ptr: context object - pointer to hba structure.
  *
- * This routine handles mailbox timeout events at timer interrupt context.
- */
+ * This is the callback function for mailbox timer. The mailbox
+ * timer is armed when a new mailbox command is issued and the timer
+ * is deleted when the mailbox complete. The function is called by
+ * the kernel timer code when a mailbox does not complete within
+ * expected time. This function wakes up the worker thread to
+ * process the mailbox timeout and returns. All the processing is
+ * done by the worker thread function lpfc_mbox_timeout_handler.
+ **/
 void
 lpfc_mbox_timeout(unsigned long ptr)
 {
@@ -2612,6 +3156,15 @@ lpfc_mbox_timeout(unsigned long ptr)
 	return;
 }
 
+
+/**
+ * lpfc_mbox_timeout_handler: Worker thread function to handle mailbox timeout.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called from worker thread when a mailbox command times out.
+ * The caller is not required to hold any locks. This function will reset the
+ * HBA and recover all the pending commands.
+ **/
 void
 lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
 {
@@ -2666,6 +3219,32 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
 	return;
 }
 
+/**
+ * lpfc_sli_issue_mbox: Issue a mailbox command to firmware.
+ * @phba: Pointer to HBA context object.
+ * @pmbox: Pointer to mailbox object.
+ * @flag: Flag indicating how the mailbox need to be processed.
+ *
+ * This function is called by discovery code and HBA management code
+ * to submit a mailbox command to firmware. This function gets the
+ * hbalock to protect the data structures.
+ * The mailbox command can be submitted in polling mode, in which case
+ * this function will wait in a polling loop for the completion of the
+ * mailbox.
+ * If the mailbox is submitted in no_wait mode (not polling) the
+ * function will submit the command and returns immediately without waiting
+ * for the mailbox completion. The no_wait is supported only when HBA
+ * is in SLI2/SLI3 mode - interrupts are enabled.
+ * The SLI interface allows only one mailbox pending at a time. If the
+ * mailbox is issued in polling mode and there is already a mailbox
+ * pending, then the function will return an error. If the mailbox is issued
+ * in NO_WAIT mode and there is a mailbox pending already, the function
+ * will return MBX_BUSY after queuing the mailbox into mailbox queue.
+ * The sli layer owns the mailbox object until the completion of mailbox
+ * command if this function return MBX_BUSY or MBX_SUCCESS. For all other
+ * return codes the caller owns the mailbox command after the return of
+ * the function.
+ **/
 int
 lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 {
@@ -2980,9 +3559,16 @@ out_not_finished:
 	return MBX_NOT_FINISHED;
 }
 
-/*
- * Caller needs to hold lock.
- */
+/**
+ * __lpfc_sli_ringtx_put: Add an iocb to the txq.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @piocb: Pointer to address of newly added command iocb.
+ *
+ * This function is called with hbalock held to add a command
+ * iocb to the txq when SLI layer cannot submit the command iocb
+ * to the ring.
+ **/
 static void
 __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		    struct lpfc_iocbq *piocb)
@@ -2992,6 +3578,23 @@ __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	pring->txq_cnt++;
 }
 
+/**
+ * lpfc_sli_next_iocb: Get the next iocb in the txq.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @piocb: Pointer to address of newly added command iocb.
+ *
+ * This function is called with hbalock held before a new
+ * iocb is submitted to the firmware. This function checks
+ * txq to flush the iocbs in txq to Firmware before
+ * submitting new iocbs to the Firmware.
+ * If there are iocbs in the txq which need to be submitted
+ * to firmware, lpfc_sli_next_iocb returns the first element
+ * of the txq after dequeuing it from txq.
+ * If there is no iocb in the txq then the function will return
+ * *piocb and *piocb is set to NULL. Caller needs to check
+ * *piocb to find if there are more commands in the txq.
+ **/
 static struct lpfc_iocbq *
 lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		   struct lpfc_iocbq **piocb)
@@ -3007,9 +3610,30 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return nextiocb;
 }
 
-/*
- * Lockless version of lpfc_sli_issue_iocb.
- */
+/**
+ * __lpfc_sli_issue_iocb: Lockless version of lpfc_sli_issue_iocb.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @piocb: Pointer to command iocb.
+ * @flag: Flag indicating if this command can be put into txq.
+ *
+ * __lpfc_sli_issue_iocb is used by other functions in the driver
+ * to issue an iocb command to the HBA. If the PCI slot is recovering
+ * from error state or if HBA is resetting or if LPFC_STOP_IOCB_EVENT
+ * flag is turned on, the function returns IOCB_ERROR.
+ * When the link is down, this function allows only iocbs for
+ * posting buffers.
+ * This function finds next available slot in the command ring and
+ * posts the command to the available slot and writes the port
+ * attention register to request HBA start processing new iocb.
+ * If there is no slot available in the ring and
+ * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the
+ * txq, otherwise the function returns IOCB_BUSY.
+ *
+ * This function is called with hbalock held.
+ * The function will return success after it successfully submit the
+ * iocb to firmware or after adding to the txq.
+ **/
 static int
 __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		    struct lpfc_iocbq *piocb, uint32_t flag)
@@ -3106,6 +3730,19 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 }
 
 
+/**
+ * lpfc_sli_issue_iocb: Wrapper function for __lpfc_sli_issue_iocb.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @piocb: Pointer to command iocb.
+ * @flag: Flag indicating if this command can be put into txq.
+ *
+ * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb
+ * function. This function gets the hbalock and calls
+ * __lpfc_sli_issue_iocb function and will return the error returned
+ * by __lpfc_sli_issue_iocb function. This wrapper is used by
+ * functions which do not hold hbalock.
+ **/
 int
 lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		    struct lpfc_iocbq *piocb, uint32_t flag)
@@ -3120,6 +3757,17 @@ lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return rc;
 }
 
+/**
+ * lpfc_extra_ring_setup: Extra ring setup function.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function is called while driver attaches with the
+ * HBA to setup the extra ring. The extra ring is used
+ * only when driver needs to support target mode functionality
+ * or IP over FC functionalities.
+ *
+ * This function is called with no lock held.
+ **/
 static int
 lpfc_extra_ring_setup( struct lpfc_hba *phba)
 {
@@ -3155,6 +3803,19 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_sli_async_event_handler: ASYNC iocb handler function.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @iocbq: Pointer to iocb object.
+ *
+ * This function is called by the slow ring event handler
+ * function when there is an ASYNC event iocb in the ring.
+ * This function is called with no lock held.
+ * Currently this function handles only temperature related
+ * ASYNC events. The function decodes the temperature sensor
+ * event message and posts events for the management applications.
+ **/
 static void
 lpfc_sli_async_event_handler(struct lpfc_hba * phba,
 	struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq)
@@ -3210,6 +3871,17 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
 }
 
 
+/**
+ * lpfc_sli_setup: SLI ring setup function.
+ * @phba: Pointer to HBA context object.
+ *
+ * lpfc_sli_setup sets up rings of the SLI interface with
+ * number of iocbs per ring and iotags. This function is
+ * called while driver attach to the HBA and before the
+ * interrupts are enabled. So there is no need for locking.
+ *
+ * This function always returns 0.
+ **/
 int
 lpfc_sli_setup(struct lpfc_hba *phba)
 {
@@ -3321,6 +3993,17 @@ lpfc_sli_setup(struct lpfc_hba *phba)
 	return 0;
 }
 
+/**
+ * lpfc_sli_queue_setup: Queue initialization function.
+ * @phba: Pointer to HBA context object.
+ *
+ * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each
+ * ring. This function also initializes ring indices of each ring.
+ * This function is called during the initialization of the SLI
+ * interface of an HBA.
+ * This function is called with no lock held and always returns
+ * 1.
+ **/
 int
 lpfc_sli_queue_setup(struct lpfc_hba *phba)
 {
@@ -3349,6 +4032,23 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba)
 	return 1;
 }
 
+/**
+ * lpfc_sli_host_down: Vport cleanup function.
+ * @vport: Pointer to virtual port object.
+ *
+ * lpfc_sli_host_down is called to clean up the resources
+ * associated with a vport before destroying virtual
+ * port data structures.
+ * This function does following operations:
+ * - Free discovery resources associated with this virtual
+ *   port.
+ * - Free iocbs associated with this virtual port in
+ *   the txq.
+ * - Send abort for all iocb commands associated with this
+ *   vport in txcmplq.
+ *
+ * This function is called with no lock held and always returns 1.
+ **/
 int
 lpfc_sli_host_down(struct lpfc_vport *vport)
 {
@@ -3411,6 +4111,21 @@ lpfc_sli_host_down(struct lpfc_vport *vport)
 	return 1;
 }
 
+/**
+ * lpfc_sli_hba_down: Resource cleanup function for the HBA.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function cleans up all iocb, buffers, mailbox commands
+ * while shutting down the HBA. This function is called with no
+ * lock held and always returns 1.
+ * This function does the following to cleanup driver resources:
+ * - Free discovery resources for each virtual port
+ * - Cleanup any pending fabric iocbs
+ * - Iterate through the iocb txq and free each entry
+ *   in the list.
+ * - Free up any buffer posted to the HBA
+ * - Free mailbox commands in the mailbox queue.
+ **/
 int
 lpfc_sli_hba_down(struct lpfc_hba *phba)
 {
@@ -3501,6 +4216,18 @@ lpfc_sli_hba_down(struct lpfc_hba *phba)
 	return 1;
 }
 
+/**
+ * lpfc_sli_pcimem_bcopy: SLI memory copy function.
+ * @srcp: Source memory pointer.
+ * @destp: Destination memory pointer.
+ * @cnt: Number of words required to be copied.
+ *
+ * This function is used for copying data between driver memory
+ * and the SLI memory. This function also changes the endianness
+ * of each word if native endianness is different from SLI
+ * endianness. This function can be called with or without
+ * lock.
+ **/
 void
 lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
 {
@@ -3518,6 +4245,17 @@ lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
 	}
 }
 
+
+/**
+ * lpfc_sli_ringpostbuf_put: Function to add a buffer to postbufq.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @mp: Pointer to driver buffer object.
+ *
+ * This function is called with no lock held.
+ * It always return zero after adding the buffer to the postbufq
+ * buffer list.
+ **/
 int
 lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			 struct lpfc_dmabuf *mp)
@@ -3531,6 +4269,18 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return 0;
 }
 
+/**
+ * lpfc_sli_get_buffer_tag: Tag allocation function for a buffer posted
+ *          using CMD_QUE_XRI64_CX iocb.
+ * @phba: Pointer to HBA context object.
+ *
+ * When HBQ is enabled, buffers are searched based on tags. This function
+ * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The
+ * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag
+ * does not conflict with tags of buffer posted for unsolicited events.
+ * The function returns the allocated tag. The function is called with
+ * no locks held.
+ **/
 uint32_t
 lpfc_sli_get_buffer_tag(struct lpfc_hba *phba)
 {
@@ -3545,6 +4295,22 @@ lpfc_sli_get_buffer_tag(struct lpfc_hba *phba)
 	return phba->buffer_tag_count;
 }
 
+/**
+ * lpfc_sli_ring_taggedbuf_get: Search HBQ buffer associated with
+ *              posted using CMD_QUE_XRI64_CX iocb.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @tag: Buffer tag.
+ *
+ * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq
+ * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX
+ * iocb is posted to the response ring with the tag of the buffer.
+ * This function searches the pring->postbufq list using the tag
+ * to find buffer associated with CMD_IOCB_RET_XRI64_CX
+ * iocb. If the buffer is found then lpfc_dmabuf object of the
+ * buffer is returned to the caller else NULL is returned.
+ * This function is called with no lock held.
+ **/
 struct lpfc_dmabuf *
 lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			uint32_t tag)
@@ -3573,6 +4339,23 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return NULL;
 }
 
+/**
+ * lpfc_sli_ringpostbuf_get: SLI2 buffer search function for
+ *      unsolicited ct and els events.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @phys: DMA address of the buffer.
+ *
+ * This function searches the buffer list using the dma_address
+ * of unsolicited event to find the driver's lpfc_dmabuf object
+ * corresponding to the dma_address. The function returns the
+ * lpfc_dmabuf object if a buffer is found else it returns NULL.
+ * This function is called by the ct and els unsolicited event
+ * handlers to get the buffer associated with the unsolicited
+ * event.
+ *
+ * This function is called with no lock held.
+ **/
 struct lpfc_dmabuf *
 lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			 dma_addr_t phys)
@@ -3600,6 +4383,17 @@ lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	return NULL;
 }
 
+/**
+ * lpfc_sli_abort_els_cmpl: Completion handler for the els abort iocbs.
+ * @phba: Pointer to HBA context object.
+ * @cmdiocb: Pointer to driver command iocb object.
+ * @rspiocb: Pointer to driver response iocb object.
+ *
+ * This function is the completion handler for the abort iocbs for
+ * ELS commands. This function is called from the ELS ring event
+ * handler with no lock held. This function frees memory resources
+ * associated with the abort iocb.
+ **/
 static void
 lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			struct lpfc_iocbq *rspiocb)
@@ -3665,6 +4459,17 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	return;
 }
 
+/**
+ * lpfc_ignore_els_cmpl: Completion handler for aborted ELS command.
+ * @phba: Pointer to HBA context object.
+ * @cmdiocb: Pointer to driver command iocb object.
+ * @rspiocb: Pointer to driver response iocb object.
+ *
+ * The function is called from SLI ring event handler with no
+ * lock held. This function is the completion handler for ELS commands
+ * which are aborted. The function frees memory resources used for
+ * the aborted ELS commands.
+ **/
 static void
 lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		     struct lpfc_iocbq *rspiocb)
@@ -3684,6 +4489,17 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	return;
 }
 
+/**
+ * lpfc_sli_issue_abort_iotag: Abort function for a command iocb.
+ * @phba: Pointer to HBA context object.
+ * @pring: Pointer to driver SLI ring object.
+ * @cmdiocb: Pointer to driver command iocb object.
+ *
+ * This function issues an abort iocb for the provided command
+ * iocb. This function is called with hbalock held.
+ * The function returns 0 when it fails due to memory allocation
+ * failure or when the command iocb is an abort request.
+ **/
 int
 lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			   struct lpfc_iocbq *cmdiocb)
@@ -3757,6 +4573,29 @@ abort_iotag_exit:
 	return retval;
 }
 
+/**
+ * lpfc_sli_validate_fcp_iocb: Filtering function, used to find commands
+ *                    associated with a vport/SCSI target/lun.
+ * @iocbq: Pointer to driver iocb object.
+ * @vport: Pointer to driver virtual port object.
+ * @tgt_id: SCSI ID of the target.
+ * @lun_id: LUN ID of the scsi device.
+ * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST
+ *
+ * This function acts as iocb filter for functions which abort or count
+ * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return
+ * 0 if the filtering criteria is met for the given iocb and will return
+ * 1 if the filtering criteria is not met.
+ * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the
+ * given iocb is for the SCSI device specified by vport, tgt_id and
+ * lun_id parameter.
+ * If ctx_cmd == LPFC_CTX_TGT,  the function returns 0 only if the
+ * given iocb is for the SCSI target specified by vport and tgt_id
+ * parameters.
+ * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the
+ * given iocb is for the SCSI host associated with the given vport.
+ * This function is called with no locks held.
+ **/
 static int
 lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
 			   uint16_t tgt_id, uint64_t lun_id,
@@ -3800,6 +4639,25 @@ lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
 	return rc;
 }
 
+/**
+ * lpfc_sli_sum_iocb: Function to count the number of FCP iocbs pending.
+ * @vport: Pointer to virtual port.
+ * @tgt_id: SCSI ID of the target.
+ * @lun_id: LUN ID of the scsi device.
+ * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
+ *
+ * This function returns number of FCP commands pending for the vport.
+ * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP
+ * commands pending on the vport associated with SCSI device specified
+ * by tgt_id and lun_id parameters.
+ * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP
+ * commands pending on the vport associated with SCSI target specified
+ * by tgt_id parameter.
+ * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP
+ * commands pending on the vport.
+ * This function returns the number of iocbs which satisfy the filter.
+ * This function is called without any lock held.
+ **/
 int
 lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
 		  lpfc_ctx_cmd ctx_cmd)
@@ -3819,6 +4677,17 @@ lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
 	return sum;
 }
 
+/**
+ * lpfc_sli_abort_fcp_cmpl: Completion handler function for an aborted
+ *       FCP iocb.
+ * @phba: Pointer to HBA context object
+ * @cmdiocb: Pointer to command iocb object.
+ * @rspiocb: Pointer to response iocb object.
+ *
+ * This function is called when an aborted FCP iocb completes. This
+ * function is called by the ring event handler with no lock held.
+ * This function frees the iocb.
+ **/
 void
 lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			struct lpfc_iocbq *rspiocb)
@@ -3827,6 +4696,28 @@ lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	return;
 }
 
+/**
+ * lpfc_sli_abort_iocb: This function issue abort for all SCSI commands
+ *          pending on a SCSI host(vport)/target/lun.
+ * @vport: Pointer to virtual port.
+ * @pring: Pointer to driver SLI ring object.
+ * @tgt_id: SCSI ID of the target.
+ * @lun_id: LUN ID of the scsi device.
+ * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
+ *
+ * This function sends an abort command for every SCSI command
+ * associated with the given virtual port pending on the ring
+ * filtered by lpfc_sli_validate_fcp_iocb function.
+ * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the
+ * FCP iocbs associated with lun specified by tgt_id and lun_id
+ * parameters
+ * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the
+ * FCP iocbs associated with SCSI target specified by tgt_id parameter.
+ * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all
+ * FCP iocbs associated with virtual port.
+ * This function returns number of iocbs it failed to abort.
+ * This function is called with no locks held.
+ **/
 int
 lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
 		    uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd)
@@ -3878,6 +4769,24 @@ lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
 	return errcnt;
 }
 
+/**
+ * lpfc_sli_wake_iocb_wait: iocb completion handler for iocb issued using
+ *                          lpfc_sli_issue_iocb_wait.
+ * @phba: Pointer to HBA context object.
+ * @cmdiocbq: Pointer to command iocb.
+ * @rspiocbq: Pointer to response iocb.
+ *
+ * This function is the completion handler for iocbs issued using
+ * lpfc_sli_issue_iocb_wait function. This function is called by the
+ * ring event handler function without any lock held. This function
+ * can be called from both worker thread context and interrupt
+ * context. This function also can be called from other thread which
+ * cleans up the SLI layer objects.
+ * This function copy the contents of the response iocb to the
+ * response iocb memory object provided by the caller of
+ * lpfc_sli_issue_iocb_wait and then wakes up the thread which
+ * sleeps for the iocb completion.
+ **/
 static void
 lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
 			struct lpfc_iocbq *cmdiocbq,
@@ -3899,13 +4808,36 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
 	return;
 }
 
-/*
- * Issue the caller's iocb and wait for its completion, but no longer than the
- * caller's timeout.  Note that iocb_flags is cleared before the
- * lpfc_sli_issue_call since the wake routine sets a unique value and by
- * definition this is a wait function.
- */
-
+/**
+ * lpfc_sli_issue_iocb_wait: Synchronous function to issue iocb commands.
+ * @phba: Pointer to HBA context object..
+ * @pring: Pointer to sli ring.
+ * @piocb: Pointer to command iocb.
+ * @prspiocbq: Pointer to response iocb.
+ * @timeout: Timeout in number of seconds.
+ *
+ * This function issues the iocb to firmware and waits for the
+ * iocb to complete. If the iocb command is not
+ * completed within timeout seconds, it returns IOCB_TIMEDOUT.
+ * Caller should not free the iocb resources if this function
+ * returns IOCB_TIMEDOUT.
+ * The function waits for the iocb completion using an
+ * non-interruptible wait.
+ * This function will sleep while waiting for iocb completion.
+ * So, this function should not be called from any context which
+ * does not allow sleeping. Due to the same reason, this function
+ * cannot be called with interrupt disabled.
+ * This function assumes that the iocb completions occur while
+ * this function sleep. So, this function cannot be called from
+ * the thread which process iocb completion for this ring.
+ * This function clears the iocb_flag of the iocb object before
+ * issuing the iocb and the iocb completion handler sets this
+ * flag and wakes this thread when the iocb completes.
+ * The contents of the response iocb will be copied to prspiocbq
+ * by the completion handler when the command completes.
+ * This function returns IOCB_SUCCESS when success.
+ * This function is called with no lock held.
+ **/
 int
 lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba,
 			 struct lpfc_sli_ring *pring,
@@ -3983,6 +4915,32 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba,
 	return retval;
 }
 
+/**
+ * lpfc_sli_issue_mbox_wait: Synchronous function to issue mailbox.
+ * @phba: Pointer to HBA context object.
+ * @pmboxq: Pointer to driver mailbox object.
+ * @timeout: Timeout in number of seconds.
+ *
+ * This function issues the mailbox to firmware and waits for the
+ * mailbox command to complete. If the mailbox command is not
+ * completed within timeout seconds, it returns MBX_TIMEOUT.
+ * The function waits for the mailbox completion using an
+ * interruptible wait. If the thread is woken up due to a
+ * signal, MBX_TIMEOUT error is returned to the caller. Caller
+ * should not free the mailbox resources, if this function returns
+ * MBX_TIMEOUT.
+ * This function will sleep while waiting for mailbox completion.
+ * So, this function should not be called from any context which
+ * does not allow sleeping. Due to the same reason, this function
+ * cannot be called with interrupt disabled.
+ * This function assumes that the mailbox completion occurs while
+ * this function sleep. So, this function cannot be called from
+ * the worker thread which processes mailbox completion.
+ * This function is called in the context of HBA management
+ * applications.
+ * This function returns MBX_SUCCESS when successful.
+ * This function is called with no lock held.
+ **/
 int
 lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
 			 uint32_t timeout)
@@ -4027,6 +4985,18 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
 	return retval;
 }
 
+/**
+ * lpfc_sli_flush_mbox_queue: mailbox queue cleanup function.
+ * @phba: Pointer to HBA context.
+ *
+ * This function is called to cleanup any pending mailbox
+ * objects in the driver queue before bringing the HBA offline.
+ * This function is called while resetting the HBA.
+ * The function is called without any lock held. The function
+ * takes hbalock to update SLI data structure.
+ * This function returns 1 when there is an active mailbox
+ * command pending else returns 0.
+ **/
 int
 lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba)
 {
@@ -4058,6 +5028,27 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba)
 	return (phba->sli.sli_flag & LPFC_SLI_MBOX_ACTIVE) ? 1 : 0;
 }
 
+/**
+ * lpfc_intr_handler: The interrupt handler of lpfc driver.
+ * @irq: Interrupt number.
+ * @dev_id: The device context pointer.
+ *
+ * This function is called from the PCI layer when there is
+ * an event in the HBA which requires driver attention. When
+ * the PCI slot is in error recovery or the HBA is undergoing
+ * initialization the interrupt handler will not process the
+ * interrupt.
+ * The error attention, link attention and els ring attention
+ * events are handled by the worker thread. The interrupt
+ * handler signals the worker thread and returns for these
+ * events.
+ * The SCSI ring event and mailbox events are handled in the
+ * interrupt context.
+ * This function is called without any lock held. It gets the
+ * hbalock to access and update SLI data structures.
+ * This function returns IRQ_HANDLED when interrupt is handled
+ * else it returns IRQ_NONE.
+ **/
 irqreturn_t
 lpfc_intr_handler(int irq, void *dev_id)
 {
-- 
GitLab


From 90160e010b6f3a91a9bb044bbe6723731e6f366c Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:49:45 -0400
Subject: [PATCH 0395/2224] [SCSI] lpfc 8.2.8 : Miscellaneous Discovery Fixes

Miscellaneous Discovery fixes:
- Fix rejection followed by acceptance in handling RPL and RPS
  unsolicited events
- Fix for vport delete crash
- Fix PLOGI vs ADISC race condition

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc_els.c       | 186 +++++++++++++++--------------
 drivers/scsi/lpfc/lpfc_init.c      |   8 --
 drivers/scsi/lpfc/lpfc_nportdisc.c |  14 +--
 drivers/scsi/lpfc/lpfc_vport.c     |  74 ++++++++++++
 4 files changed, 172 insertions(+), 110 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 43049b9d64c..2e24b4fe2be 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1555,6 +1555,83 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	return 0;
 }
 
+/**
+ * lpfc_rscn_disc: Perform rscn discovery for a vport.
+ * @vport: pointer to a host virtual N_Port data structure.
+ *
+ * This routine performs Registration State Change Notification (RSCN)
+ * discovery for a @vport. If the @vport's node port recovery count is not
+ * zero, it will invoke the lpfc_els_disc_plogi() to perform PLOGI for all
+ * the nodes that need recovery. If none of the PLOGI were needed through
+ * the lpfc_els_disc_plogi() routine, the lpfc_end_rscn() routine shall be
+ * invoked to check and handle possible more RSCN came in during the period
+ * of processing the current ones.
+ **/
+static void
+lpfc_rscn_disc(struct lpfc_vport *vport)
+{
+	lpfc_can_disctmo(vport);
+
+	/* RSCN discovery */
+	/* go thru NPR nodes and issue ELS PLOGIs */
+	if (vport->fc_npr_cnt)
+		if (lpfc_els_disc_plogi(vport))
+			return;
+
+	lpfc_end_rscn(vport);
+}
+
+/**
+ * lpfc_adisc_done: Complete the adisc phase of discovery.
+ * @vport: pointer to lpfc_vport hba data structure that finished all ADISCs.
+ *
+ * This function is called when the final ADISC is completed during discovery.
+ * This function handles clearing link attention or issuing reg_vpi depending
+ * on whether npiv is enabled. This function also kicks off the PLOGI phase of
+ * discovery.
+ * This function is called with no locks held.
+ **/
+static void
+lpfc_adisc_done(struct lpfc_vport *vport)
+{
+	struct Scsi_Host   *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_hba   *phba = vport->phba;
+
+	/*
+	 * For NPIV, cmpl_reg_vpi will set port_state to READY,
+	 * and continue discovery.
+	 */
+	if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
+	    !(vport->fc_flag & FC_RSCN_MODE)) {
+		lpfc_issue_reg_vpi(phba, vport);
+		return;
+	}
+	/*
+	* For SLI2, we need to set port_state to READY
+	* and continue discovery.
+	*/
+	if (vport->port_state < LPFC_VPORT_READY) {
+		/* If we get here, there is nothing to ADISC */
+		if (vport->port_type == LPFC_PHYSICAL_PORT)
+			lpfc_issue_clear_la(phba, vport);
+		if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) {
+			vport->num_disc_nodes = 0;
+			/* go thru NPR list, issue ELS PLOGIs */
+			if (vport->fc_npr_cnt)
+				lpfc_els_disc_plogi(vport);
+			if (!vport->num_disc_nodes) {
+				spin_lock_irq(shost->host_lock);
+				vport->fc_flag &= ~FC_NDISC_ACTIVE;
+				spin_unlock_irq(shost->host_lock);
+				lpfc_can_disctmo(vport);
+				lpfc_end_rscn(vport);
+			}
+		}
+		vport->port_state = LPFC_VPORT_READY;
+	} else
+		lpfc_rscn_disc(vport);
+}
+
 /**
  * lpfc_more_adisc: Issue more adisc as needed.
  * @vport: pointer to a host virtual N_Port data structure.
@@ -1583,35 +1660,11 @@ lpfc_more_adisc(struct lpfc_vport *vport)
 		/* go thru NPR nodes and issue any remaining ELS ADISCs */
 		sentadisc = lpfc_els_disc_adisc(vport);
 	}
+	if (!vport->num_disc_nodes)
+		lpfc_adisc_done(vport);
 	return;
 }
 
-/**
- * lpfc_rscn_disc: Perform rscn discovery for a vport.
- * @vport: pointer to a host virtual N_Port data structure.
- *
- * This routine performs Registration State Change Notification (RSCN)
- * discovery for a @vport. If the @vport's node port recovery count is not
- * zero, it will invoke the lpfc_els_disc_plogi() to perform PLOGI for all
- * the nodes that need recovery. If none of the PLOGI were needed through
- * the lpfc_els_disc_plogi() routine, the lpfc_end_rscn() routine shall be
- * invoked to check and handle possible more RSCN came in during the period
- * of processing the current ones.
- **/
-static void
-lpfc_rscn_disc(struct lpfc_vport *vport)
-{
-	lpfc_can_disctmo(vport);
-
-	/* RSCN discovery */
-	/* go thru NPR nodes and issue ELS PLOGIs */
-	if (vport->fc_npr_cnt)
-		if (lpfc_els_disc_plogi(vport))
-			return;
-
-	lpfc_end_rscn(vport);
-}
-
 /**
  * lpfc_cmpl_els_adisc: Completion callback function for adisc.
  * @phba: pointer to lpfc hba data structure.
@@ -1692,52 +1745,9 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		lpfc_disc_state_machine(vport, ndlp, cmdiocb,
 					NLP_EVT_CMPL_ADISC);
 
-	if (disc && vport->num_disc_nodes) {
-		/* Check to see if there are more ADISCs to be sent */
+	/* Check to see if there are more ADISCs to be sent */
+	if (disc && vport->num_disc_nodes)
 		lpfc_more_adisc(vport);
-
-		/* Check to see if we are done with ADISC authentication */
-		if (vport->num_disc_nodes == 0) {
-			/* If we get here, there is nothing left to ADISC */
-			/*
-			 * For NPIV, cmpl_reg_vpi will set port_state to READY,
-			 * and continue discovery.
-			 */
-			if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
-			   !(vport->fc_flag & FC_RSCN_MODE)) {
-				lpfc_issue_reg_vpi(phba, vport);
-				goto out;
-			}
-			/*
-			 * For SLI2, we need to set port_state to READY
-			 * and continue discovery.
-			 */
-			if (vport->port_state < LPFC_VPORT_READY) {
-				/* If we get here, there is nothing to ADISC */
-				if (vport->port_type == LPFC_PHYSICAL_PORT)
-					lpfc_issue_clear_la(phba, vport);
-
-				if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) {
-					vport->num_disc_nodes = 0;
-					/* go thru NPR list, issue ELS PLOGIs */
-					if (vport->fc_npr_cnt)
-						lpfc_els_disc_plogi(vport);
-
-					if (!vport->num_disc_nodes) {
-						spin_lock_irq(shost->host_lock);
-						vport->fc_flag &=
-							~FC_NDISC_ACTIVE;
-						spin_unlock_irq(
-							shost->host_lock);
-						lpfc_can_disctmo(vport);
-					}
-				}
-				vport->port_state = LPFC_VPORT_READY;
-			} else {
-				lpfc_rscn_disc(vport);
-			}
-		}
-	}
 out:
 	lpfc_els_free_iocb(phba, cmdiocb);
 	return;
@@ -2258,19 +2268,16 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp)
 			if (vport->port_state < LPFC_VPORT_READY) {
 				/* Check if there are more ADISCs to be sent */
 				lpfc_more_adisc(vport);
-				if ((vport->num_disc_nodes == 0) &&
-				    (vport->fc_npr_cnt))
-					lpfc_els_disc_plogi(vport);
 			} else {
 				/* Check if there are more PLOGIs to be sent */
 				lpfc_more_plogi(vport);
-			}
-			if (vport->num_disc_nodes == 0) {
-				spin_lock_irq(shost->host_lock);
-				vport->fc_flag &= ~FC_NDISC_ACTIVE;
-				spin_unlock_irq(shost->host_lock);
-				lpfc_can_disctmo(vport);
-				lpfc_end_rscn(vport);
+				if (vport->num_disc_nodes == 0) {
+					spin_lock_irq(shost->host_lock);
+					vport->fc_flag &= ~FC_NDISC_ACTIVE;
+					spin_unlock_irq(shost->host_lock);
+					lpfc_can_disctmo(vport);
+					lpfc_end_rscn(vport);
+				}
 			}
 		}
 	}
@@ -4480,14 +4487,9 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	struct ls_rjt stat;
 
 	if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
-	    (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
-		stat.un.b.lsRjtRsvd0 = 0;
-		stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
-		stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
-		stat.un.b.vendorUnique = 0;
-		lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
-			NULL);
-	}
+	    (ndlp->nlp_state != NLP_STE_MAPPED_NODE))
+		/* reject the unsolicited RPS request and done with it */
+		goto reject_out;
 
 	pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
 	lp = (uint32_t *) pcmd->virt;
@@ -4520,6 +4522,9 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 			mempool_free(mbox, phba->mbox_mem_pool);
 		}
 	}
+
+reject_out:
+	/* issue rejection response */
 	stat.un.b.lsRjtRsvd0 = 0;
 	stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
 	stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
@@ -4629,12 +4634,15 @@ lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 
 	if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
 	    (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) {
+		/* issue rejection response */
 		stat.un.b.lsRjtRsvd0 = 0;
 		stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
 		stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA;
 		stat.un.b.vendorUnique = 0;
 		lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
 			NULL);
+		/* rejected the unsolicited RPL request and done with it */
+		return 0;
 	}
 
 	pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index b9d553c2ac4..93fd09daca8 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1580,14 +1580,6 @@ lpfc_cleanup(struct lpfc_vport *vport)
 		lpfc_disc_state_machine(vport, ndlp, NULL,
 					     NLP_EVT_DEVICE_RM);
 
-		/* nlp_type zero is not defined, nlp_flag zero also not defined,
-		 * nlp_state is unused, this happens when
-		 * an initiator has logged
-		 * into us so cleanup this ndlp.
-		 */
-		if ((ndlp->nlp_type == 0) && (ndlp->nlp_flag == 0) &&
-			(ndlp->nlp_state == 0))
-			lpfc_nlp_put(ndlp);
 	}
 
 	/* At this point, ALL ndlp's should be gone
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 6688a8689b5..705c4ae1bdc 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1003,20 +1003,8 @@ lpfc_rcv_plogi_adisc_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			spin_lock_irq(shost->host_lock);
 			ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
 			spin_unlock_irq(shost->host_lock);
-
-			if (vport->num_disc_nodes) {
+			if (vport->num_disc_nodes)
 				lpfc_more_adisc(vport);
-				if ((vport->num_disc_nodes == 0) &&
-				    (vport->fc_npr_cnt))
-					lpfc_els_disc_plogi(vport);
-				if (vport->num_disc_nodes == 0) {
-					spin_lock_irq(shost->host_lock);
-					vport->fc_flag &= ~FC_NDISC_ACTIVE;
-					spin_unlock_irq(shost->host_lock);
-					lpfc_can_disctmo(vport);
-					lpfc_end_rscn(vport);
-				}
-			}
 		}
 		return ndlp->nlp_state;
 	}
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 109f89d9883..ad0f6531387 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -204,6 +204,77 @@ lpfc_unique_wwpn(struct lpfc_hba *phba, struct lpfc_vport *new_vport)
 	return 1;
 }
 
+/**
+ * lpfc_discovery_wait: Wait for driver discovery to quiesce.
+ * @vport: The virtual port for which this call is being executed.
+ *
+ * This driver calls this routine specifically from lpfc_vport_delete
+ * to enforce a synchronous execution of vport
+ * delete relative to discovery activities.  The
+ * lpfc_vport_delete routine should not return until it
+ * can reasonably guarantee that discovery has quiesced.
+ * Post FDISC LOGO, the driver must wait until its SAN teardown is
+ * complete and all resources recovered before allowing
+ * cleanup.
+ *
+ * This routine does not require any locks held.
+ **/
+static void lpfc_discovery_wait(struct lpfc_vport *vport)
+{
+	struct lpfc_hba *phba = vport->phba;
+	uint32_t wait_flags = 0;
+	unsigned long wait_time_max;
+	unsigned long start_time;
+
+	wait_flags = FC_RSCN_MODE | FC_RSCN_DISCOVERY | FC_NLP_MORE |
+		     FC_RSCN_DEFERRED | FC_NDISC_ACTIVE | FC_DISC_TMO;
+
+	/*
+	 * The time constraint on this loop is a balance between the
+	 * fabric RA_TOV value and dev_loss tmo.  The driver's
+	 * devloss_tmo is 10 giving this loop a 3x multiplier minimally.
+	 */
+	wait_time_max = msecs_to_jiffies(((phba->fc_ratov * 3) + 3) * 1000);
+	wait_time_max += jiffies;
+	start_time = jiffies;
+	while (time_before(jiffies, wait_time_max)) {
+		if ((vport->num_disc_nodes > 0)    ||
+		    (vport->fc_flag & wait_flags)  ||
+		    ((vport->port_state > LPFC_VPORT_FAILED) &&
+		     (vport->port_state < LPFC_VPORT_READY))) {
+			lpfc_printf_log(phba, KERN_INFO, LOG_VPORT,
+					"1833 Vport discovery quiesce Wait:"
+					" vpi x%x state x%x fc_flags x%x"
+					" num_nodes x%x, waiting 1000 msecs"
+					" total wait msecs x%x\n",
+					vport->vpi, vport->port_state,
+					vport->fc_flag, vport->num_disc_nodes,
+					jiffies_to_msecs(jiffies - start_time));
+			msleep(1000);
+		} else {
+			/* Base case.  Wait variants satisfied.  Break out */
+			lpfc_printf_log(phba, KERN_INFO, LOG_VPORT,
+					 "1834 Vport discovery quiesced:"
+					 " vpi x%x state x%x fc_flags x%x"
+					 " wait msecs x%x\n",
+					 vport->vpi, vport->port_state,
+					 vport->fc_flag,
+					 jiffies_to_msecs(jiffies
+						- start_time));
+			break;
+		}
+	}
+
+	if (time_after(jiffies, wait_time_max))
+		lpfc_printf_log(phba, KERN_ERR, LOG_VPORT,
+				"1835 Vport discovery quiesce failed:"
+				" vpi x%x state x%x fc_flags x%x"
+				" wait msecs x%x\n",
+				vport->vpi, vport->port_state,
+				vport->fc_flag,
+				jiffies_to_msecs(jiffies - start_time));
+}
+
 int
 lpfc_vport_create(struct fc_vport *fc_vport, bool disable)
 {
@@ -602,6 +673,9 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 				timeout = schedule_timeout(timeout);
 	}
 
+	if (!(phba->pport->load_flag & FC_UNLOADING))
+		lpfc_discovery_wait(vport);
+
 skip_logo:
 	lpfc_cleanup(vport);
 	lpfc_sli_host_down(vport);
-- 
GitLab


From 34b02dcdcf1865405f4762b991965c0c3b8a3ae0 Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:49:55 -0400
Subject: [PATCH 0396/2224] [SCSI] lpfc 8.2.8 : Update driver for new SLI-3
 features

Update driver for new SLI-3 features:
- interrupt enhancements
- lose adapter doorbell writes
- inlining support for FCP_Ixx cmds

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc.h         |  22 +++--
 drivers/scsi/lpfc/lpfc_ct.c      |   4 +-
 drivers/scsi/lpfc/lpfc_debugfs.c |  52 +++-------
 drivers/scsi/lpfc/lpfc_els.c     |   4 +-
 drivers/scsi/lpfc/lpfc_hw.h      |  63 ++++++++----
 drivers/scsi/lpfc/lpfc_init.c    |  28 +++---
 drivers/scsi/lpfc/lpfc_mbox.c    |  75 +++++++-------
 drivers/scsi/lpfc/lpfc_scsi.c    | 163 ++++++++++++++++++++++---------
 drivers/scsi/lpfc/lpfc_sli.c     | 122 ++++++++++++-----------
 9 files changed, 314 insertions(+), 219 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index e0e018d1265..327eeb05108 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -407,10 +407,11 @@ struct lpfc_hba {
 	struct lpfc_sli sli;
 	uint32_t sli_rev;		/* SLI2 or SLI3 */
 	uint32_t sli3_options;		/* Mask of enabled SLI3 options */
-#define LPFC_SLI3_ENABLED	 0x01
-#define LPFC_SLI3_HBQ_ENABLED	 0x02
-#define LPFC_SLI3_NPIV_ENABLED	 0x04
-#define LPFC_SLI3_VPORT_TEARDOWN 0x08
+#define LPFC_SLI3_HBQ_ENABLED		0x01
+#define LPFC_SLI3_NPIV_ENABLED		0x02
+#define LPFC_SLI3_VPORT_TEARDOWN	0x04
+#define LPFC_SLI3_CRP_ENABLED		0x08
+#define LPFC_SLI3_INB_ENABLED		0x10
 	uint32_t iocb_cmd_size;
 	uint32_t iocb_rsp_size;
 
@@ -422,10 +423,16 @@ struct lpfc_hba {
 #define LS_NPIV_FAB_SUPPORTED 0x2	/* Fabric supports NPIV */
 #define LS_IGNORE_ERATT       0x4	/* intr handler should ignore ERATT */
 
-	struct lpfc_sli2_slim *slim2p;
-	struct lpfc_dmabuf hbqslimp;
+	struct lpfc_dmabuf slim2p;
+
+	MAILBOX_t *mbox;
+	uint32_t *inb_ha_copy;
+	uint32_t *inb_counter;
+	uint32_t inb_last_counter;
+	struct _PCB *pcb;
+	struct _IOCB *IOCBs;
 
-	dma_addr_t slim2p_mapping;
+	struct lpfc_dmabuf hbqslimp;
 
 	uint16_t pci_cfg_value;
 
@@ -514,6 +521,7 @@ struct lpfc_hba {
 	void __iomem *HCregaddr;	/* virtual address for host ctl reg */
 
 	struct lpfc_hgp __iomem *host_gp; /* Host side get/put pointers */
+	struct lpfc_pgp   *port_gp;
 	uint32_t __iomem  *hbq_put;     /* Address in SLIM to HBQ put ptrs */
 	uint32_t          *hbq_get;     /* Host mem address of HBQ get ptrs */
 
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 7fc74cf5823..0f387862cf7 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -212,7 +212,7 @@ lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
 		else
 			list_add_tail(&mp->list, &mlist->list);
 
-		bpl->tus.f.bdeFlags = BUFF_USE_RCV;
+		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
 		/* build buffer ptr list for IOCB */
 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
@@ -283,7 +283,7 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
-	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
+	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
 
 	if (usr_flg)
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 2588eadffbb..2f6d34924b7 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -454,7 +454,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
 	spin_lock_irq(&phba->hbalock);
 
 	len +=  snprintf(buf+len, size-len, "SLIM Mailbox\n");
-	ptr = (uint32_t *)phba->slim2p;
+	ptr = (uint32_t *)phba->slim2p.virt;
 	i = sizeof(MAILBOX_t);
 	while (i > 0) {
 		len +=  snprintf(buf+len, size-len,
@@ -467,7 +467,7 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
 	}
 
 	len +=  snprintf(buf+len, size-len, "SLIM PCB\n");
-	ptr = (uint32_t *)&phba->slim2p->pcb;
+	ptr = (uint32_t *)phba->pcb;
 	i = sizeof(PCB_t);
 	while (i > 0) {
 		len +=  snprintf(buf+len, size-len,
@@ -479,44 +479,16 @@ lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size)
 		off += (8 * sizeof(uint32_t));
 	}
 
-	pgpp = (struct lpfc_pgp *)&phba->slim2p->mbx.us.s3_pgp.port;
-	pring = &psli->ring[0];
-	len +=  snprintf(buf+len, size-len,
-		"Ring 0: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x)  "
-		"RSP PutInx:%d Max:%d\n",
-		pgpp->cmdGetInx, pring->numCiocb,
-		pring->next_cmdidx, pring->local_getidx, pring->flag,
-		pgpp->rspPutInx, pring->numRiocb);
-	pgpp++;
-
-	pring = &psli->ring[1];
-	len +=  snprintf(buf+len, size-len,
-		"Ring 1: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x)  "
-		"RSP PutInx:%d Max:%d\n",
-		pgpp->cmdGetInx, pring->numCiocb,
-		pring->next_cmdidx, pring->local_getidx, pring->flag,
-		pgpp->rspPutInx, pring->numRiocb);
-	pgpp++;
-
-	pring = &psli->ring[2];
-	len +=  snprintf(buf+len, size-len,
-		"Ring 2: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x)  "
-		"RSP PutInx:%d Max:%d\n",
-		pgpp->cmdGetInx, pring->numCiocb,
-		pring->next_cmdidx, pring->local_getidx, pring->flag,
-		pgpp->rspPutInx, pring->numRiocb);
-	pgpp++;
-
-	pring = &psli->ring[3];
-	len +=  snprintf(buf+len, size-len,
-		"Ring 3: CMD GetInx:%d (Max:%d Next:%d Local:%d flg:x%x)  "
-		"RSP PutInx:%d Max:%d\n",
-		pgpp->cmdGetInx, pring->numCiocb,
-		pring->next_cmdidx, pring->local_getidx, pring->flag,
-		pgpp->rspPutInx, pring->numRiocb);
-
-
-	ptr = (uint32_t *)&phba->slim2p->mbx.us.s3_pgp.hbq_get;
+	for (i = 0; i < 4; i++) {
+		pgpp = &phba->port_gp[i];
+		pring = &psli->ring[i];
+		len +=  snprintf(buf+len, size-len,
+				 "Ring %d: CMD GetInx:%d (Max:%d Next:%d "
+				 "Local:%d flg:x%x)  RSP PutInx:%d Max:%d\n",
+				 i, pgpp->cmdGetInx, pring->numCiocb,
+				 pring->next_cmdidx, pring->local_getidx,
+				 pring->flag, pgpp->rspPutInx, pring->numRiocb);
+	}
 	word0 = readl(phba->HAregaddr);
 	word1 = readl(phba->CAregaddr);
 	word2 = readl(phba->HSregaddr);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 2e24b4fe2be..89bd9ab46de 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -200,7 +200,7 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
 
 	icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
 	icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
-	icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL;
+	icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
 	icmd->un.elsreq64.remoteID = did;	/* DID */
 	if (expectRsp) {
 		icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64));
@@ -235,7 +235,7 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
 		bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys));
 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys));
 		bpl->tus.f.bdeSize = FCELSSIZE;
-		bpl->tus.f.bdeFlags = BUFF_USE_RCV;
+		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
 	}
 
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 7773b949aa7..a986332fecf 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1474,24 +1474,18 @@ struct ulp_bde64 {	/* SLI-2 */
 			uint32_t bdeFlags:8;	/* BDE Flags 0 IS A SUPPORTED
 						   VALUE !! */
 #endif
-
-#define BUFF_USE_RSVD       0x01	/* bdeFlags */
-#define BUFF_USE_INTRPT     0x02	/* Not Implemented with LP6000 */
-#define BUFF_USE_CMND       0x04	/* Optional, 1=cmd/rsp 0=data buffer */
-#define BUFF_USE_RCV        0x08	/*  "" "", 1=rcv buffer, 0=xmit
-					    buffer */
-#define BUFF_TYPE_32BIT     0x10	/*  "" "", 1=32 bit addr 0=64 bit
-					    addr */
-#define BUFF_TYPE_SPECIAL   0x20	/* Not Implemented with LP6000  */
-#define BUFF_TYPE_BDL       0x40	/* Optional,  may be set in BDL */
-#define BUFF_TYPE_INVALID   0x80	/*  ""  "" */
+#define BUFF_TYPE_BDE_64    0x00	/* BDE (Host_resident) */
+#define BUFF_TYPE_BDE_IMMED 0x01	/* Immediate Data BDE */
+#define BUFF_TYPE_BDE_64P   0x02	/* BDE (Port-resident) */
+#define BUFF_TYPE_BDE_64I   0x08	/* Input BDE (Host-resident) */
+#define BUFF_TYPE_BDE_64IP  0x0A	/* Input BDE (Port-resident) */
+#define BUFF_TYPE_BLP_64    0x40	/* BLP (Host-resident) */
+#define BUFF_TYPE_BLP_64P   0x42	/* BLP (Port-resident) */
 		} f;
 	} tus;
 	uint32_t addrLow;
 	uint32_t addrHigh;
 };
-#define BDE64_SIZE_WORD 0
-#define BPL64_SIZE_WORD 0x40
 
 typedef struct ULP_BDL {	/* SLI-2 */
 #ifdef __BIG_ENDIAN_BITFIELD
@@ -2715,11 +2709,19 @@ struct sli3_pgp {
 	uint32_t hbq_get[16];
 };
 
-typedef union {
-	struct sli2_desc s2;
-	struct sli3_desc s3;
-	struct sli3_pgp  s3_pgp;
-} SLI_VAR;
+struct sli3_inb_pgp {
+	uint32_t ha_copy;
+	uint32_t counter;
+	struct lpfc_pgp port[MAX_RINGS];
+	uint32_t hbq_get[16];
+};
+
+union sli_var {
+	struct sli2_desc	s2;
+	struct sli3_desc	s3;
+	struct sli3_pgp		s3_pgp;
+	struct sli3_inb_pgp	s3_inb_pgp;
+};
 
 typedef struct {
 #ifdef __BIG_ENDIAN_BITFIELD
@@ -2737,7 +2739,7 @@ typedef struct {
 #endif
 
 	MAILVARIANTS un;
-	SLI_VAR us;
+	union sli_var us;
 } MAILBOX_t;
 
 /*
@@ -3105,6 +3107,27 @@ struct que_xri64cx_ext_fields {
 	struct lpfc_hbq_entry	buff[5];
 };
 
+#define LPFC_EXT_DATA_BDE_COUNT 3
+struct fcp_irw_ext {
+	uint32_t	io_tag64_low;
+	uint32_t	io_tag64_high;
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint8_t		reserved1;
+	uint8_t		reserved2;
+	uint8_t		reserved3;
+	uint8_t		ebde_count;
+#else  /* __LITTLE_ENDIAN */
+	uint8_t		ebde_count;
+	uint8_t		reserved3;
+	uint8_t		reserved2;
+	uint8_t		reserved1;
+#endif
+	uint32_t	reserved4;
+	struct ulp_bde64 rbde;		/* response bde */
+	struct ulp_bde64 dbde[LPFC_EXT_DATA_BDE_COUNT];	/* data BDE or BPL */
+	uint8_t icd[32];		/* immediate command data (32 bytes) */
+};
+
 typedef struct _IOCB {	/* IOCB structure */
 	union {
 		GENERIC_RSP grsp;	/* Generic response */
@@ -3190,7 +3213,7 @@ typedef struct _IOCB {	/* IOCB structure */
 
 		/* words 8-31 used for que_xri_cx iocb */
 		struct que_xri64cx_ext_fields que_xri64cx_ext_words;
-
+		struct fcp_irw_ext fcp_ext;
 		uint32_t sli3Words[24]; /* 96 extra bytes for SLI-3 */
 	} unsli3;
 
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 93fd09daca8..6a7a039e890 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2312,12 +2312,18 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	}
 
 	/* Allocate memory for SLI-2 structures */
-	phba->slim2p = dma_alloc_coherent(&phba->pcidev->dev, SLI2_SLIM_SIZE,
-					  &phba->slim2p_mapping, GFP_KERNEL);
-	if (!phba->slim2p)
+	phba->slim2p.virt = dma_alloc_coherent(&phba->pcidev->dev,
+					       SLI2_SLIM_SIZE,
+					       &phba->slim2p.phys,
+					       GFP_KERNEL);
+	if (!phba->slim2p.virt)
 		goto out_iounmap;
 
-	memset(phba->slim2p, 0, SLI2_SLIM_SIZE);
+	memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
+	phba->mbox = phba->slim2p.virt;
+	phba->pcb = (phba->slim2p.virt + sizeof(MAILBOX_t));
+	phba->IOCBs = (phba->slim2p.virt + sizeof(MAILBOX_t) +
+		       sizeof(struct _PCB));
 
 	phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
 						 lpfc_sli_hbq_size(),
@@ -2513,11 +2519,11 @@ out_free_iocbq:
 	}
 	lpfc_mem_free(phba);
 out_free_hbqslimp:
-	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
-			  phba->hbqslimp.phys);
+	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
+			  phba->hbqslimp.virt, phba->hbqslimp.phys);
 out_free_slim:
-	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE, phba->slim2p,
-							phba->slim2p_mapping);
+	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
+			  phba->slim2p.virt, phba->slim2p.phys);
 out_iounmap:
 	iounmap(phba->ctrl_regs_memmap_p);
 out_iounmap_slim:
@@ -2599,12 +2605,12 @@ lpfc_pci_remove_one(struct pci_dev *pdev)
 	lpfc_scsi_free(phba);
 	lpfc_mem_free(phba);
 
-	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(), phba->hbqslimp.virt,
-			  phba->hbqslimp.phys);
+	dma_free_coherent(&pdev->dev, lpfc_sli_hbq_size(),
+			  phba->hbqslimp.virt, phba->hbqslimp.phys);
 
 	/* Free resources associated with SLI2 interface */
 	dma_free_coherent(&pdev->dev, SLI2_SLIM_SIZE,
-			  phba->slim2p, phba->slim2p_mapping);
+			  phba->slim2p.virt, phba->slim2p.phys);
 
 	/* unmap adapter SLIM and Control Registers */
 	iounmap(phba->ctrl_regs_memmap_p);
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 7413bfdf89a..ca358355ec9 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -671,7 +671,7 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba)
 {
 	struct lpfc_sli *psli = &phba->sli;
 	struct lpfc_sli_ring *pring;
-	PCB_t *pcbp = &phba->slim2p->pcb;
+	PCB_t *pcbp = phba->pcb;
 	dma_addr_t pdma_addr;
 	uint32_t offset;
 	uint32_t iocbCnt = 0;
@@ -700,23 +700,23 @@ lpfc_config_pcb_setup(struct lpfc_hba * phba)
 			continue;
 		}
 		/* Command ring setup for ring */
-		pring->cmdringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt];
+		pring->cmdringaddr = (void *)&phba->IOCBs[iocbCnt];
 		pcbp->rdsc[i].cmdEntries = pring->numCiocb;
 
-		offset = (uint8_t *) &phba->slim2p->IOCBs[iocbCnt] -
-			 (uint8_t *) phba->slim2p;
-		pdma_addr = phba->slim2p_mapping + offset;
+		offset = (uint8_t *) &phba->IOCBs[iocbCnt] -
+			 (uint8_t *) phba->slim2p.virt;
+		pdma_addr = phba->slim2p.phys + offset;
 		pcbp->rdsc[i].cmdAddrHigh = putPaddrHigh(pdma_addr);
 		pcbp->rdsc[i].cmdAddrLow = putPaddrLow(pdma_addr);
 		iocbCnt += pring->numCiocb;
 
 		/* Response ring setup for ring */
-		pring->rspringaddr = (void *) &phba->slim2p->IOCBs[iocbCnt];
+		pring->rspringaddr = (void *) &phba->IOCBs[iocbCnt];
 
 		pcbp->rdsc[i].rspEntries = pring->numRiocb;
-		offset = (uint8_t *)&phba->slim2p->IOCBs[iocbCnt] -
-			 (uint8_t *)phba->slim2p;
-		pdma_addr = phba->slim2p_mapping + offset;
+		offset = (uint8_t *)&phba->IOCBs[iocbCnt] -
+			 (uint8_t *)phba->slim2p.virt;
+		pdma_addr = phba->slim2p.phys + offset;
 		pcbp->rdsc[i].rspAddrHigh = putPaddrHigh(pdma_addr);
 		pcbp->rdsc[i].rspAddrLow = putPaddrLow(pdma_addr);
 		iocbCnt += pring->numRiocb;
@@ -977,8 +977,8 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 
 	mb->un.varCfgPort.pcbLen = sizeof(PCB_t);
 
-	offset = (uint8_t *)&phba->slim2p->pcb - (uint8_t *)phba->slim2p;
-	pdma_addr = phba->slim2p_mapping + offset;
+	offset = (uint8_t *)phba->pcb - (uint8_t *)phba->slim2p.virt;
+	pdma_addr = phba->slim2p.phys + offset;
 	mb->un.varCfgPort.pcbLow = putPaddrLow(pdma_addr);
 	mb->un.varCfgPort.pcbHigh = putPaddrHigh(pdma_addr);
 
@@ -986,12 +986,13 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 
 	if (phba->sli_rev == 3 && phba->vpd.sli3Feat.cerbm) {
 		mb->un.varCfgPort.cerbm = 1; /* Request HBQs */
+		mb->un.varCfgPort.ccrp = 1; /* Command Ring Polling */
+		mb->un.varCfgPort.cinb = 1; /* Interrupt Notification Block */
 		mb->un.varCfgPort.max_hbq = lpfc_sli_hbq_count();
 		if (phba->max_vpi && phba->cfg_enable_npiv &&
 		    phba->vpd.sli3Feat.cmv) {
 			mb->un.varCfgPort.max_vpi = phba->max_vpi;
 			mb->un.varCfgPort.cmv = 1;
-			phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
 		} else
 			mb->un.varCfgPort.max_vpi = phba->max_vpi = 0;
 	} else
@@ -999,16 +1000,15 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	mb->un.varCfgPort.sli_mode = phba->sli_rev;
 
 	/* Now setup pcb */
-	phba->slim2p->pcb.type = TYPE_NATIVE_SLI2;
-	phba->slim2p->pcb.feature = FEATURE_INITIAL_SLI2;
+	phba->pcb->type = TYPE_NATIVE_SLI2;
+	phba->pcb->feature = FEATURE_INITIAL_SLI2;
 
 	/* Setup Mailbox pointers */
-	phba->slim2p->pcb.mailBoxSize = offsetof(MAILBOX_t, us) +
-		sizeof(struct sli2_desc);
-	offset = (uint8_t *)&phba->slim2p->mbx - (uint8_t *)phba->slim2p;
-	pdma_addr = phba->slim2p_mapping + offset;
-	phba->slim2p->pcb.mbAddrHigh = putPaddrHigh(pdma_addr);
-	phba->slim2p->pcb.mbAddrLow = putPaddrLow(pdma_addr);
+	phba->pcb->mailBoxSize = sizeof(MAILBOX_t);
+	offset = (uint8_t *)phba->mbox - (uint8_t *)phba->slim2p.virt;
+	pdma_addr = phba->slim2p.phys + offset;
+	phba->pcb->mbAddrHigh = putPaddrHigh(pdma_addr);
+	phba->pcb->mbAddrLow = putPaddrLow(pdma_addr);
 
 	/*
 	 * Setup Host Group ring pointer.
@@ -1069,13 +1069,13 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	}
 
 	/* mask off BAR0's flag bits 0 - 3 */
-	phba->slim2p->pcb.hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
-		(void __iomem *) phba->host_gp -
+	phba->pcb->hgpAddrLow = (bar_low & PCI_BASE_ADDRESS_MEM_MASK) +
+		(void __iomem *)phba->host_gp -
 		(void __iomem *)phba->MBslimaddr;
 	if (bar_low & PCI_BASE_ADDRESS_MEM_TYPE_64)
-		phba->slim2p->pcb.hgpAddrHigh = bar_high;
+		phba->pcb->hgpAddrHigh = bar_high;
 	else
-		phba->slim2p->pcb.hgpAddrHigh = 0;
+		phba->pcb->hgpAddrHigh = 0;
 	/* write HGP data to SLIM at the required longword offset */
 	memset(&hgp, 0, sizeof(struct lpfc_hgp));
 
@@ -1085,17 +1085,19 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	}
 
 	/* Setup Port Group ring pointer */
-	if (phba->sli_rev == 3)
-		pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s3_pgp.port -
-			(uint8_t *)phba->slim2p;
-	else
-		pgp_offset = (uint8_t *)&phba->slim2p->mbx.us.s2.port -
-			(uint8_t *)phba->slim2p;
-
-	pdma_addr = phba->slim2p_mapping + pgp_offset;
-	phba->slim2p->pcb.pgpAddrHigh = putPaddrHigh(pdma_addr);
-	phba->slim2p->pcb.pgpAddrLow = putPaddrLow(pdma_addr);
-	phba->hbq_get = &phba->slim2p->mbx.us.s3_pgp.hbq_get[0];
+	if (phba->sli3_options & LPFC_SLI3_INB_ENABLED) {
+		pgp_offset = offsetof(struct lpfc_sli2_slim,
+				      mbx.us.s3_inb_pgp.port);
+		phba->hbq_get = phba->mbox->us.s3_inb_pgp.hbq_get;
+	} else if (phba->sli_rev == 3) {
+		pgp_offset = offsetof(struct lpfc_sli2_slim,
+				      mbx.us.s3_pgp.port);
+		phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get;
+	} else
+		pgp_offset = offsetof(struct lpfc_sli2_slim, mbx.us.s2.port);
+	pdma_addr = phba->slim2p.phys + pgp_offset;
+	phba->pcb->pgpAddrHigh = putPaddrHigh(pdma_addr);
+	phba->pcb->pgpAddrLow = putPaddrLow(pdma_addr);
 
 	/* Use callback routine to setp rings in the pcb */
 	lpfc_config_pcb_setup(phba);
@@ -1110,8 +1112,7 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	}
 
 	/* Swap PCB if needed */
-	lpfc_sli_pcimem_bcopy(&phba->slim2p->pcb, &phba->slim2p->pcb,
-			      sizeof(PCB_t));
+	lpfc_sli_pcimem_bcopy(phba->pcb, phba->pcb, sizeof(PCB_t));
 }
 
 /**
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index a22bdf9548a..c1bb90cf0d0 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -198,7 +198,9 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport)
 	struct lpfc_scsi_buf *psb;
 	struct ulp_bde64 *bpl;
 	IOCB_t *iocb;
-	dma_addr_t pdma_phys;
+	dma_addr_t pdma_phys_fcp_cmd;
+	dma_addr_t pdma_phys_fcp_rsp;
+	dma_addr_t pdma_phys_bpl;
 	uint16_t iotag;
 
 	psb = kzalloc(sizeof(struct lpfc_scsi_buf), GFP_KERNEL);
@@ -238,40 +240,60 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport)
 
 	/* Initialize local short-hand pointers. */
 	bpl = psb->fcp_bpl;
-	pdma_phys = psb->dma_handle;
+	pdma_phys_fcp_cmd = psb->dma_handle;
+	pdma_phys_fcp_rsp = psb->dma_handle + sizeof(struct fcp_cmnd);
+	pdma_phys_bpl = psb->dma_handle + sizeof(struct fcp_cmnd) +
+			sizeof(struct fcp_rsp);
 
 	/*
 	 * The first two bdes are the FCP_CMD and FCP_RSP.  The balance are sg
 	 * list bdes.  Initialize the first two and leave the rest for
 	 * queuecommand.
 	 */
-	bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys));
-	bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys));
-	bpl->tus.f.bdeSize = sizeof (struct fcp_cmnd);
-	bpl->tus.f.bdeFlags = BUFF_USE_CMND;
-	bpl->tus.w = le32_to_cpu(bpl->tus.w);
-	bpl++;
+	bpl[0].addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys_fcp_cmd));
+	bpl[0].addrLow = le32_to_cpu(putPaddrLow(pdma_phys_fcp_cmd));
+	bpl[0].tus.f.bdeSize = sizeof(struct fcp_cmnd);
+	bpl[0].tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+	bpl[0].tus.w = le32_to_cpu(bpl->tus.w);
 
 	/* Setup the physical region for the FCP RSP */
-	pdma_phys += sizeof (struct fcp_cmnd);
-	bpl->addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys));
-	bpl->addrLow = le32_to_cpu(putPaddrLow(pdma_phys));
-	bpl->tus.f.bdeSize = sizeof (struct fcp_rsp);
-	bpl->tus.f.bdeFlags = (BUFF_USE_CMND | BUFF_USE_RCV);
-	bpl->tus.w = le32_to_cpu(bpl->tus.w);
+	bpl[1].addrHigh = le32_to_cpu(putPaddrHigh(pdma_phys_fcp_rsp));
+	bpl[1].addrLow = le32_to_cpu(putPaddrLow(pdma_phys_fcp_rsp));
+	bpl[1].tus.f.bdeSize = sizeof(struct fcp_rsp);
+	bpl[1].tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+	bpl[1].tus.w = le32_to_cpu(bpl->tus.w);
 
 	/*
 	 * Since the IOCB for the FCP I/O is built into this lpfc_scsi_buf,
 	 * initialize it with all known data now.
 	 */
-	pdma_phys += (sizeof (struct fcp_rsp));
 	iocb = &psb->cur_iocbq.iocb;
 	iocb->un.fcpi64.bdl.ulpIoTag32 = 0;
-	iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys);
-	iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys);
-	iocb->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64));
-	iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDL;
-	iocb->ulpBdeCount = 1;
+	if (phba->sli_rev == 3) {
+		/* fill in immediate fcp command BDE */
+		iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BDE_IMMED;
+		iocb->un.fcpi64.bdl.bdeSize = sizeof(struct fcp_cmnd);
+		iocb->un.fcpi64.bdl.addrLow = offsetof(IOCB_t,
+						       unsli3.fcp_ext.icd);
+		iocb->un.fcpi64.bdl.addrHigh = 0;
+		iocb->ulpBdeCount = 0;
+		iocb->ulpLe = 0;
+		/* fill in responce BDE */
+		iocb->unsli3.fcp_ext.rbde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+		iocb->unsli3.fcp_ext.rbde.tus.f.bdeSize =
+						sizeof(struct fcp_rsp);
+		iocb->unsli3.fcp_ext.rbde.addrLow =
+						putPaddrLow(pdma_phys_fcp_rsp);
+		iocb->unsli3.fcp_ext.rbde.addrHigh =
+						putPaddrHigh(pdma_phys_fcp_rsp);
+	} else {
+		iocb->un.fcpi64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
+		iocb->un.fcpi64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64));
+		iocb->un.fcpi64.bdl.addrLow = putPaddrLow(pdma_phys_bpl);
+		iocb->un.fcpi64.bdl.addrHigh = putPaddrHigh(pdma_phys_bpl);
+		iocb->ulpBdeCount = 1;
+		iocb->ulpLe = 1;
+	}
 	iocb->ulpClass = CLASS3;
 
 	return psb;
@@ -313,8 +335,9 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 	struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
 	struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl;
 	IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
+	struct ulp_bde64 *data_bde = iocb_cmd->unsli3.fcp_ext.dbde;
 	dma_addr_t physaddr;
-	uint32_t i, num_bde = 0;
+	uint32_t num_bde = 0;
 	int nseg, datadir = scsi_cmnd->sc_data_direction;
 
 	/*
@@ -352,33 +375,64 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 		 * during probe that limits the number of sg elements in any
 		 * single scsi command.  Just run through the seg_cnt and format
 		 * the bde's.
+		 * When using SLI-3 the driver will try to fit all the BDEs into
+		 * the IOCB. If it can't then the BDEs get added to a BPL as it
+		 * does for SLI-2 mode.
 		 */
-		scsi_for_each_sg(scsi_cmnd, sgel, nseg, i) {
+		scsi_for_each_sg(scsi_cmnd, sgel, nseg, num_bde) {
 			physaddr = sg_dma_address(sgel);
-			bpl->addrLow = le32_to_cpu(putPaddrLow(physaddr));
-			bpl->addrHigh = le32_to_cpu(putPaddrHigh(physaddr));
-			bpl->tus.f.bdeSize = sg_dma_len(sgel);
-			if (datadir == DMA_TO_DEVICE)
-				bpl->tus.f.bdeFlags = 0;
-			else
-				bpl->tus.f.bdeFlags = BUFF_USE_RCV;
-			bpl->tus.w = le32_to_cpu(bpl->tus.w);
-			bpl++;
-			num_bde++;
+			if (phba->sli_rev == 3 &&
+			    nseg <= LPFC_EXT_DATA_BDE_COUNT) {
+				data_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+				data_bde->tus.f.bdeSize = sg_dma_len(sgel);
+				data_bde->addrLow = putPaddrLow(physaddr);
+				data_bde->addrHigh = putPaddrHigh(physaddr);
+				data_bde++;
+			} else {
+				bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+				bpl->tus.f.bdeSize = sg_dma_len(sgel);
+				bpl->tus.w = le32_to_cpu(bpl->tus.w);
+				bpl->addrLow =
+					le32_to_cpu(putPaddrLow(physaddr));
+				bpl->addrHigh =
+					le32_to_cpu(putPaddrHigh(physaddr));
+				bpl++;
+			}
 		}
 	}
 
 	/*
 	 * Finish initializing those IOCB fields that are dependent on the
-	 * scsi_cmnd request_buffer.  Note that the bdeSize is explicitly
-	 * reinitialized since all iocb memory resources are used many times
-	 * for transmit, receive, and continuation bpl's.
+	 * scsi_cmnd request_buffer.  Note that for SLI-2 the bdeSize is
+	 * explicitly reinitialized and for SLI-3 the extended bde count is
+	 * explicitly reinitialized since all iocb memory resources are reused.
 	 */
-	iocb_cmd->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64));
-	iocb_cmd->un.fcpi64.bdl.bdeSize +=
-		(num_bde * sizeof (struct ulp_bde64));
-	iocb_cmd->ulpBdeCount = 1;
-	iocb_cmd->ulpLe = 1;
+	if (phba->sli_rev == 3) {
+		if (num_bde > LPFC_EXT_DATA_BDE_COUNT) {
+			/*
+			 * The extended IOCB format can only fit 3 BDE or a BPL.
+			 * This I/O has more than 3 BDE so the 1st data bde will
+			 * be a BPL that is filled in here.
+			 */
+			physaddr = lpfc_cmd->dma_handle;
+			data_bde->tus.f.bdeFlags = BUFF_TYPE_BLP_64;
+			data_bde->tus.f.bdeSize = (num_bde *
+						   sizeof(struct ulp_bde64));
+			physaddr += (sizeof(struct fcp_cmnd) +
+				     sizeof(struct fcp_rsp) +
+				     (2 * sizeof(struct ulp_bde64)));
+			data_bde->addrHigh = putPaddrHigh(physaddr);
+			data_bde->addrLow = putPaddrLow(physaddr);
+			/* ebde count includes the responce bde and data bpl */
+			iocb_cmd->unsli3.fcp_ext.ebde_count = 2;
+		} else {
+			/* ebde count includes the responce bde and data bdes */
+			iocb_cmd->unsli3.fcp_ext.ebde_count = (num_bde + 1);
+		}
+	} else {
+		iocb_cmd->un.fcpi64.bdl.bdeSize =
+			((num_bde + 2) * sizeof(struct ulp_bde64));
+	}
 	fcp_cmnd->fcpDl = cpu_to_be32(scsi_bufflen(scsi_cmnd));
 	return 0;
 }
@@ -692,6 +746,24 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	lpfc_release_scsi_buf(phba, lpfc_cmd);
 }
 
+/**
+ * lpfc_fcpcmd_to_iocb - copy the fcp_cmd data into the IOCB.
+ * @data: A pointer to the immediate command data portion of the IOCB.
+ * @fcp_cmnd: The FCP Command that is provided by the SCSI layer.
+ *
+ * The routine copies the entire FCP command from @fcp_cmnd to @data while
+ * byte swapping the data to big endian format for transmission on the wire.
+ **/
+static void
+lpfc_fcpcmd_to_iocb(uint8_t *data, struct fcp_cmnd *fcp_cmnd)
+{
+	int i, j;
+	for (i = 0, j = 0; i < sizeof(struct fcp_cmnd);
+	     i += sizeof(uint32_t), j++) {
+		((uint32_t *)data)[j] = cpu_to_be32(((uint32_t *)fcp_cmnd)[j]);
+	}
+}
+
 static void
 lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 		    struct lpfc_nodelist *pnode)
@@ -758,7 +830,8 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 		fcp_cmnd->fcpCntl3 = 0;
 		phba->fc4ControlRequests++;
 	}
-
+	if (phba->sli_rev == 3)
+		lpfc_fcpcmd_to_iocb(iocb_cmd->unsli3.fcp_ext.icd, fcp_cmnd);
 	/*
 	 * Finish initializing those IOCB fields that are independent
 	 * of the scsi_cmnd request_buffer
@@ -798,11 +871,13 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport,
 	piocb = &piocbq->iocb;
 
 	fcp_cmnd = lpfc_cmd->fcp_cmnd;
-	int_to_scsilun(lun, &lpfc_cmd->fcp_cmnd->fcp_lun);
+	/* Clear out any old data in the FCP command area */
+	memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd));
+	int_to_scsilun(lun, &fcp_cmnd->fcp_lun);
 	fcp_cmnd->fcpCntl2 = task_mgmt_cmd;
-
+	if (vport->phba->sli_rev == 3)
+		lpfc_fcpcmd_to_iocb(piocb->unsli3.fcp_ext.icd, fcp_cmnd);
 	piocb->ulpCommand = CMD_FCP_ICMND64_CR;
-
 	piocb->ulpContext = ndlp->nlp_rpi;
 	if (ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
 		piocb->ulpFCP2Rcvy = 1;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 3cf488496d8..77afa2ba6a2 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -406,11 +406,8 @@ lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 static IOCB_t *
 lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
-	struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
-		&phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
-		&phba->slim2p->mbx.us.s2.port[pring->ringno];
+	struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
 	uint32_t  max_cmd_idx = pring->numCiocb;
-
 	if ((pring->next_cmdidx == pring->cmdidx) &&
 	   (++pring->next_cmdidx >= max_cmd_idx))
 		pring->next_cmdidx = 0;
@@ -625,9 +622,11 @@ lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	/*
 	 * Tell the HBA that there is work to do in this ring.
 	 */
-	wmb();
-	writel(CA_R0ATT << (ringno * 4), phba->CAregaddr);
-	readl(phba->CAregaddr); /* flush */
+	if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) {
+		wmb();
+		writel(CA_R0ATT << (ringno * 4), phba->CAregaddr);
+		readl(phba->CAregaddr); /* flush */
+	}
 }
 
 /**
@@ -1654,9 +1653,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 static void
 lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 {
-	struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
-		&phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
-		&phba->slim2p->mbx.us.s2.port[pring->ringno];
+	struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
 	/*
 	 * Ring <ringno> handler: portRspPut <portRspPut> is bigger then
 	 * rsp ring <portRspMax>
@@ -1704,7 +1701,7 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
 	IOCB_t *entry = NULL;
 	struct lpfc_iocbq *cmdiocbq = NULL;
 	struct lpfc_iocbq rspiocbq;
-	struct lpfc_pgp *pgp;
+	struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
 	uint32_t status;
 	uint32_t portRspPut, portRspMax;
 	int type;
@@ -1714,11 +1711,6 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
 
 	pring->stats.iocb_event++;
 
-	pgp = (phba->sli_rev == 3) ?
-		&phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
-		&phba->slim2p->mbx.us.s2.port[pring->ringno];
-
-
 	/*
 	 * The next available response entry should never exceed the maximum
 	 * entries.  If it does, treat it as an adapter hardware error.
@@ -1870,9 +1862,7 @@ static int
 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
 				struct lpfc_sli_ring *pring, uint32_t mask)
 {
-	struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
-		&phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
-		&phba->slim2p->mbx.us.s2.port[pring->ringno];
+	struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
 	IOCB_t *irsp = NULL;
 	IOCB_t *entry = NULL;
 	struct lpfc_iocbq *cmdiocbq = NULL;
@@ -2064,9 +2054,7 @@ int
 lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
 				struct lpfc_sli_ring *pring, uint32_t mask)
 {
-	struct lpfc_pgp *pgp = (phba->sli_rev == 3) ?
-		&phba->slim2p->mbx.us.s3_pgp.port[pring->ringno] :
-		&phba->slim2p->mbx.us.s2.port[pring->ringno];
+	struct lpfc_pgp *pgp;
 	IOCB_t *entry;
 	IOCB_t *irsp = NULL;
 	struct lpfc_iocbq *rspiocbp = NULL;
@@ -2080,6 +2068,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
 	int rc = 1;
 	unsigned long iflag;
 
+	pgp = &phba->port_gp[pring->ringno];
 	spin_lock_irqsave(&phba->hbalock, iflag);
 	pring->stats.iocb_event++;
 
@@ -2990,13 +2979,15 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
 		if (rc == -ERESTART) {
 			phba->link_state = LPFC_LINK_UNKNOWN;
 			continue;
-		} else if (rc) {
+		} else if (rc)
 			break;
-		}
-
 		phba->link_state = LPFC_INIT_MBX_CMDS;
 		lpfc_config_port(phba, pmb);
 		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+		phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED |
+					LPFC_SLI3_HBQ_ENABLED |
+					LPFC_SLI3_CRP_ENABLED |
+					LPFC_SLI3_INB_ENABLED);
 		if (rc != MBX_SUCCESS) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0442 Adapter failed to init, mbxCmd x%x "
@@ -3006,25 +2997,44 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
 			phba->sli.sli_flag &= ~LPFC_SLI2_ACTIVE;
 			spin_unlock_irq(&phba->hbalock);
 			rc = -ENXIO;
-		} else {
+		} else
 			done = 1;
-			phba->max_vpi = (phba->max_vpi &&
-					 pmb->mb.un.varCfgPort.gmv) != 0
-				? pmb->mb.un.varCfgPort.max_vpi
-				: 0;
-		}
 	}
-
 	if (!done) {
 		rc = -EINVAL;
 		goto do_prep_failed;
 	}
-
-	if ((pmb->mb.un.varCfgPort.sli_mode == 3) &&
-		(!pmb->mb.un.varCfgPort.cMA)) {
-		rc = -ENXIO;
+	if (pmb->mb.un.varCfgPort.sli_mode == 3) {
+		if (!pmb->mb.un.varCfgPort.cMA) {
+			rc = -ENXIO;
+			goto do_prep_failed;
+		}
+		if (phba->max_vpi && pmb->mb.un.varCfgPort.gmv) {
+			phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
+			phba->max_vpi = pmb->mb.un.varCfgPort.max_vpi;
+		} else
+			phba->max_vpi = 0;
+		if (pmb->mb.un.varCfgPort.gerbm)
+			phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED;
+		if (pmb->mb.un.varCfgPort.gcrp)
+			phba->sli3_options |= LPFC_SLI3_CRP_ENABLED;
+		if (pmb->mb.un.varCfgPort.ginb) {
+			phba->sli3_options |= LPFC_SLI3_INB_ENABLED;
+			phba->port_gp = phba->mbox->us.s3_inb_pgp.port;
+			phba->inb_ha_copy = &phba->mbox->us.s3_inb_pgp.ha_copy;
+			phba->inb_counter = &phba->mbox->us.s3_inb_pgp.counter;
+			phba->inb_last_counter =
+					phba->mbox->us.s3_inb_pgp.counter;
+		} else {
+			phba->port_gp = phba->mbox->us.s3_pgp.port;
+			phba->inb_ha_copy = NULL;
+			phba->inb_counter = NULL;
+		}
+	} else {
+		phba->port_gp = phba->mbox->us.s2.port;
+		phba->inb_ha_copy = NULL;
+		phba->inb_counter = NULL;
 	}
-
 do_prep_failed:
 	mempool_free(pmb, phba->mbox_mem_pool);
 	return rc;
@@ -3085,9 +3095,6 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba)
 	if (phba->sli_rev == 3) {
 		phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE;
 		phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE;
-		phba->sli3_options |= LPFC_SLI3_ENABLED;
-		phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED;
-
 	} else {
 		phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE;
 		phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE;
@@ -3255,7 +3262,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 	int i;
 	unsigned long timeout;
 	unsigned long drvr_flag = 0;
-	volatile uint32_t word0, ldata;
+	uint32_t word0, ldata;
 	void __iomem *to_slim;
 	int processing_queue = 0;
 
@@ -3415,12 +3422,11 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 
 	if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
 		/* First copy command data to host SLIM area */
-		lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx, MAILBOX_CMD_SIZE);
+		lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE);
 	} else {
 		if (mb->mbxCommand == MBX_CONFIG_PORT) {
 			/* copy command data into host mbox for cmpl */
-			lpfc_sli_pcimem_bcopy(mb, &phba->slim2p->mbx,
-					      MAILBOX_CMD_SIZE);
+			lpfc_sli_pcimem_bcopy(mb, phba->mbox, MAILBOX_CMD_SIZE);
 		}
 
 		/* First copy mbox command data to HBA SLIM, skip past first
@@ -3430,7 +3436,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 			    MAILBOX_CMD_SIZE - sizeof (uint32_t));
 
 		/* Next copy over first word, with mbxOwner set */
-		ldata = *((volatile uint32_t *)mb);
+		ldata = *((uint32_t *)mb);
 		to_slim = phba->MBslimaddr;
 		writel(ldata, to_slim);
 		readl(to_slim); /* flush */
@@ -3462,7 +3468,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 
 		if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
 			/* First read mbox status word */
-			word0 = *((volatile uint32_t *)&phba->slim2p->mbx);
+			word0 = *((uint32_t *)phba->mbox);
 			word0 = le32_to_cpu(word0);
 		} else {
 			/* First read mbox status word */
@@ -3501,12 +3507,11 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 
 			if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
 				/* First copy command data */
-				word0 = *((volatile uint32_t *)
-						&phba->slim2p->mbx);
+				word0 = *((uint32_t *)phba->mbox);
 				word0 = le32_to_cpu(word0);
 				if (mb->mbxCommand == MBX_CONFIG_PORT) {
 					MAILBOX_t *slimmb;
-					volatile uint32_t slimword0;
+					uint32_t slimword0;
 					/* Check real SLIM for any errors */
 					slimword0 = readl(phba->MBslimaddr);
 					slimmb = (MAILBOX_t *) & slimword0;
@@ -3527,8 +3532,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
 
 		if (psli->sli_flag & LPFC_SLI2_ACTIVE) {
 			/* copy results back to user */
-			lpfc_sli_pcimem_bcopy(&phba->slim2p->mbx, mb,
-					      MAILBOX_CMD_SIZE);
+			lpfc_sli_pcimem_bcopy(phba->mbox, mb, MAILBOX_CMD_SIZE);
 		} else {
 			/* First copy command data */
 			lpfc_memcpy_from_slim(mb, phba->MBslimaddr,
@@ -5095,7 +5099,16 @@ lpfc_intr_handler(int irq, void *dev_id)
 	 * preserve status) and Link Attention
 	 */
 	spin_lock(&phba->hbalock);
-	ha_copy = readl(phba->HAregaddr);
+	if (phba->sli3_options & LPFC_SLI3_INB_ENABLED &&
+	    (phba->inb_last_counter != *phba->inb_counter)) {
+		phba->inb_last_counter = *phba->inb_counter;
+		ha_copy = le32_to_cpu(*phba->inb_ha_copy);
+	} else
+		ha_copy = readl(phba->HAregaddr);
+	if (unlikely(!ha_copy)) {
+		spin_unlock(&phba->hbalock);
+		return IRQ_NONE;
+	}
 	/* If somebody is waiting to handle an eratt don't process it
 	 * here.  The brdkill function will do this.
 	 */
@@ -5105,9 +5118,6 @@ lpfc_intr_handler(int irq, void *dev_id)
 	readl(phba->HAregaddr); /* flush */
 	spin_unlock(&phba->hbalock);
 
-	if (unlikely(!ha_copy))
-		return IRQ_NONE;
-
 	work_ha_copy = ha_copy & phba->work_ha_mask;
 
 	if (unlikely(work_ha_copy)) {
@@ -5194,7 +5204,7 @@ lpfc_intr_handler(int irq, void *dev_id)
 		    (phba->sli.mbox_active)) {
 			pmb = phba->sli.mbox_active;
 			pmbox = &pmb->mb;
-			mbox = &phba->slim2p->mbx;
+			mbox = phba->mbox;
 			vport = pmb->vport;
 
 			/* First check out the status word */
-- 
GitLab


From d7c255b26d8e3f12164d82093de3bf22efad2b4a Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:50:00 -0400
Subject: [PATCH 0397/2224] [SCSI] lpfc 8.2.8 : Miscellaneous Bug Fixes

Miscellaneous Fixes:
- Fix the wrong variable name used for checking node active usage status
- Fix numerous duplicate log message numbers
- Fix change KERN_WARNING messages to KERN_INFO.
- Stop sending erroneous LOGO to fabric after vport is already terminated
- Fix HBQ allocates that were kalloc'ing w/ GFP_KERNEL while holding a lock.
- Fix gcc 4.3.2 compiler warnings and a sparse warning
- Fix bugs in handling unsolicited ct event queue
- Reorder some of the initial link up checks, to remove odd VPI states.
- Correct poor VPI handling
- Add debug messages
- Expand Update_CFG mailbox definition
- Fix handling of VPD data offsets
- Reorder loopback flags
- convert to use offsetof()

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc.h           |   2 +-
 drivers/scsi/lpfc/lpfc_attr.c      |  32 +++++----
 drivers/scsi/lpfc/lpfc_crtn.h      |   2 +-
 drivers/scsi/lpfc/lpfc_ct.c        |  15 ++---
 drivers/scsi/lpfc/lpfc_debugfs.c   |  20 +++---
 drivers/scsi/lpfc/lpfc_els.c       |  87 ++++++++++++------------
 drivers/scsi/lpfc/lpfc_hbadisc.c   |  18 +++--
 drivers/scsi/lpfc/lpfc_hw.h        |  31 +++++++++
 drivers/scsi/lpfc/lpfc_init.c      |  30 ++++-----
 drivers/scsi/lpfc/lpfc_nportdisc.c |   9 ++-
 drivers/scsi/lpfc/lpfc_scsi.c      |   6 +-
 drivers/scsi/lpfc/lpfc_sli.c       | 105 +++++++++++++++++------------
 drivers/scsi/lpfc/lpfc_vport.c     |  14 +++-
 13 files changed, 219 insertions(+), 152 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 327eeb05108..f57a416033b 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -499,7 +499,7 @@ struct lpfc_hba {
 
 	wait_queue_head_t    work_waitq;
 	struct task_struct   *worker_thread;
-	long data_flags;
+	unsigned long data_flags;
 
 	uint32_t hbq_in_use;		/* HBQs in use flag */
 	struct list_head hbqbuf_in_list;  /* in-fly hbq buffer list */
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 2926a2a7ee7..172b6b0a570 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1302,7 +1302,7 @@ lpfc_##attr##_init(struct lpfc_vport *vport, int val) \
 		return 0;\
 	}\
 	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
-			 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
+			 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
 			 "allowed range is ["#minval", "#maxval"]\n", val); \
 	vport->cfg_##attr = default;\
 	return -EINVAL;\
@@ -1334,7 +1334,7 @@ lpfc_##attr##_set(struct lpfc_vport *vport, int val) \
 		return 0;\
 	}\
 	lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
-			 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
+			 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
 			 "allowed range is ["#minval", "#maxval"]\n", val); \
 	return -EINVAL;\
 }
@@ -1803,7 +1803,7 @@ lpfc_nodev_tmo_init(struct lpfc_vport *vport, int val)
 		vport->cfg_nodev_tmo = vport->cfg_devloss_tmo;
 		if (val != LPFC_DEF_DEVLOSS_TMO)
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-					 "0402 Ignoring nodev_tmo module "
+					 "0407 Ignoring nodev_tmo module "
 					 "parameter because devloss_tmo is "
 					 "set.\n");
 		return 0;
@@ -2030,7 +2030,7 @@ lpfc_restrict_login_init(struct lpfc_vport *vport, int val)
 {
 	if (val < 0 || val > 1) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				 "0449 lpfc_restrict_login attribute cannot "
+				 "0422 lpfc_restrict_login attribute cannot "
 				 "be set to %d, allowed range is [0, 1]\n",
 				 val);
 		vport->cfg_restrict_login = 1;
@@ -2065,7 +2065,7 @@ lpfc_restrict_login_set(struct lpfc_vport *vport, int val)
 {
 	if (val < 0 || val > 1) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				 "0450 lpfc_restrict_login attribute cannot "
+				 "0425 lpfc_restrict_login attribute cannot "
 				 "be set to %d, allowed range is [0, 1]\n",
 				 val);
 		vport->cfg_restrict_login = 1;
@@ -2249,7 +2249,7 @@ lpfc_link_speed_init(struct lpfc_hba *phba, int val)
 		return 0;
 	}
 	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-			"0454 lpfc_link_speed attribute cannot "
+			"0405 lpfc_link_speed attribute cannot "
 			"be set to %d, allowed values are "
 			"["LPFC_LINK_SPEED_STRING"]\n", val);
 	phba->cfg_link_speed = 0;
@@ -2787,17 +2787,15 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 		/* If HBA encountered an error attention, allow only DUMP
 		 * or RESTART mailbox commands until the HBA is restarted.
 		 */
-		if ((phba->pport->stopped) &&
-			(phba->sysfs_mbox.mbox->mb.mbxCommand !=
-				MBX_DUMP_MEMORY &&
-			 phba->sysfs_mbox.mbox->mb.mbxCommand !=
-				MBX_RESTART &&
-			 phba->sysfs_mbox.mbox->mb.mbxCommand !=
-				MBX_WRITE_VPARMS)) {
-			sysfs_mbox_idle(phba);
-			spin_unlock_irq(&phba->hbalock);
-			return -EPERM;
-		}
+		if (phba->pport->stopped &&
+		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_DUMP_MEMORY &&
+		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_RESTART &&
+		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_VPARMS &&
+		    phba->sysfs_mbox.mbox->mb.mbxCommand != MBX_WRITE_WWN)
+			lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX,
+					"1259 mbox: Issued mailbox cmd "
+					"0x%x while in stopped state.\n",
+					phba->sysfs_mbox.mbox->mb.mbxCommand);
 
 		phba->sysfs_mbox.mbox->vport = vport;
 
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 1b8245213b8..189ce9f8a7b 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -269,7 +269,7 @@ void lpfc_dev_loss_tmo_callbk(struct fc_rport *rport);
 
 struct lpfc_vport *lpfc_create_port(struct lpfc_hba *, int, struct device *);
 int  lpfc_vport_disable(struct fc_vport *fc_vport, bool disable);
-void lpfc_mbx_unreg_vpi(struct lpfc_vport *);
+int lpfc_mbx_unreg_vpi(struct lpfc_vport *);
 void destroy_port(struct lpfc_vport *);
 int lpfc_get_instance(void);
 void lpfc_host_attrib_init(struct Scsi_Host *);
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 0f387862cf7..71cfee884b8 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -134,25 +134,24 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		}
 		list_del(&head);
 	} else {
-		struct lpfc_iocbq  *next;
-
-		list_for_each_entry_safe(iocbq, next, &piocbq->list, list) {
+		INIT_LIST_HEAD(&head);
+		list_add_tail(&head, &piocbq->list);
+		list_for_each_entry(iocbq, &head, list) {
 			icmd = &iocbq->iocb;
 			if (icmd->ulpBdeCount == 0)
-				lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0);
+				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
 			for (i = 0; i < icmd->ulpBdeCount; i++) {
 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
 						 icmd->un.cont64[i].addrLow);
 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
 							      paddr);
 				size = icmd->un.cont64[i].tus.f.bdeSize;
-				lpfc_ct_unsol_buffer(phba, piocbq, mp, size);
+				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
 				lpfc_in_buf_free(phba, mp);
 			}
-			list_del(&iocbq->list);
-			lpfc_sli_release_iocbq(phba, iocbq);
 			lpfc_post_buffer(phba, pring, i);
 		}
+		list_del(&head);
 	}
 }
 
@@ -861,7 +860,7 @@ lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 
 		retry++;
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
-				 "0216 Retrying NS cmd %x\n", cmdcode);
+				 "0250 Retrying NS cmd %x\n", cmdcode);
 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
 		if (rc == 0)
 			goto out;
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 2f6d34924b7..f85b99a7c43 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -1119,7 +1119,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 		atomic_set(&lpfc_debugfs_hba_count, 0);
 		if (!lpfc_debugfs_root) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-					 "0409 Cannot create debugfs root\n");
+					 "0408 Cannot create debugfs root\n");
 			goto debug_failed;
 		}
 	}
@@ -1133,7 +1133,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 			debugfs_create_dir(name, lpfc_debugfs_root);
 		if (!phba->hba_debugfs_root) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-					 "0409 Cannot create debugfs hba\n");
+					 "0412 Cannot create debugfs hba\n");
 			goto debug_failed;
 		}
 		atomic_inc(&lpfc_debugfs_hba_count);
@@ -1147,7 +1147,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 				 phba, &lpfc_debugfs_op_hbqinfo);
 		if (!phba->debug_hbqinfo) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				"0409 Cannot create debugfs hbqinfo\n");
+				"0411 Cannot create debugfs hbqinfo\n");
 			goto debug_failed;
 		}
 
@@ -1159,7 +1159,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 				 phba, &lpfc_debugfs_op_dumpHBASlim);
 		if (!phba->debug_dumpHBASlim) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				"0409 Cannot create debugfs dumpHBASlim\n");
+				"0413 Cannot create debugfs dumpHBASlim\n");
 			goto debug_failed;
 		}
 
@@ -1171,7 +1171,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 				 phba, &lpfc_debugfs_op_dumpHostSlim);
 		if (!phba->debug_dumpHostSlim) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				"0409 Cannot create debugfs dumpHostSlim\n");
+				"0414 Cannot create debugfs dumpHostSlim\n");
 			goto debug_failed;
 		}
 
@@ -1201,7 +1201,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 				 phba, &lpfc_debugfs_op_slow_ring_trc);
 		if (!phba->debug_slow_ring_trc) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-					 "0409 Cannot create debugfs "
+					 "0415 Cannot create debugfs "
 					 "slow_ring_trace\n");
 			goto debug_failed;
 		}
@@ -1212,7 +1212,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 				GFP_KERNEL);
 			if (!phba->slow_ring_trc) {
 				lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-						 "0409 Cannot create debugfs "
+						 "0416 Cannot create debugfs "
 						 "slow_ring buffer\n");
 				goto debug_failed;
 			}
@@ -1229,7 +1229,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 			debugfs_create_dir(name, phba->hba_debugfs_root);
 		if (!vport->vport_debugfs_root) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-					 "0409 Cant create debugfs");
+					 "0417 Cant create debugfs");
 			goto debug_failed;
 		}
 		atomic_inc(&phba->debugfs_vport_count);
@@ -1258,7 +1258,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 
 	if (!vport->disc_trc) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				 "0409 Cannot create debugfs disc trace "
+				 "0418 Cannot create debugfs disc trace "
 				 "buffer\n");
 		goto debug_failed;
 	}
@@ -1271,7 +1271,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 				 vport, &lpfc_debugfs_op_disc_trc);
 	if (!vport->debug_disc_trc) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				 "0409 Cannot create debugfs "
+				 "0419 Cannot create debugfs "
 				 "discovery_trace\n");
 		goto debug_failed;
 	}
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 89bd9ab46de..d0730e79c1a 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -473,7 +473,7 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		 */
 		list_for_each_entry_safe(np, next_np,
 					&vport->fc_nodes, nlp_listp) {
-			if (!NLP_CHK_NODE_ACT(ndlp))
+			if (!NLP_CHK_NODE_ACT(np))
 				continue;
 			if ((np->nlp_state != NLP_STE_NPR_NODE) ||
 				   !(np->nlp_flag & NLP_NPR_ADISC))
@@ -2585,7 +2585,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			  (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID))
 			  ) {
 				lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
-						 "0123 FDISC Failed (x%x). "
+						 "0122 FDISC Failed (x%x). "
 						 "Fabric Detected Bad WWN\n",
 						 stat.un.lsRjtError);
 				lpfc_vport_set_state(vport,
@@ -3966,7 +3966,7 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 		if (rscn_id == hba_id) {
 			/* ALL NPortIDs in RSCN are on HBA */
 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
-					 "0214 Ignore RSCN "
+					 "0219 Ignore RSCN "
 					 "Data: x%x x%x x%x x%x\n",
 					 vport->fc_flag, payload_len,
 					 *lp, vport->fc_rscn_id_cnt);
@@ -5165,8 +5165,6 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	}
 
 	phba->fc_stat.elsRcvFrame++;
-	if (elsiocb->context1)
-		lpfc_nlp_put(elsiocb->context1);
 
 	elsiocb->context1 = lpfc_nlp_get(ndlp);
 	elsiocb->vport = vport;
@@ -5376,6 +5374,8 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			NULL);
 	}
 
+	lpfc_nlp_put(elsiocb->context1);
+	elsiocb->context1 = NULL;
 	return;
 
 dropit:
@@ -5440,6 +5440,7 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2;
 	struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3;
 
+	elsiocb->context1 = NULL;
 	elsiocb->context2 = NULL;
 	elsiocb->context3 = NULL;
 
@@ -5487,8 +5488,6 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 	 * The different unsolicited event handlers would tell us
 	 * if they are done with "mp" by setting context2 to NULL.
 	 */
-	lpfc_nlp_put(elsiocb->context1);
-	elsiocb->context1 = NULL;
 	if (elsiocb->context2) {
 		lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2);
 		elsiocb->context2 = NULL;
@@ -5750,54 +5749,56 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			goto out;
 		/* FDISC failed */
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
-				 "0124 FDISC failed. (%d/%d)\n",
+				 "0126 FDISC failed. (%d/%d)\n",
 				 irsp->ulpStatus, irsp->un.ulpWord[4]);
+		goto fdisc_failed;
+	}
 		if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING)
 			lpfc_vport_set_state(vport, FC_VPORT_FAILED);
 		lpfc_nlp_put(ndlp);
 		/* giving up on FDISC. Cancel discovery timer */
 		lpfc_can_disctmo(vport);
-	} else {
-		spin_lock_irq(shost->host_lock);
-		vport->fc_flag |= FC_FABRIC;
-		if (vport->phba->fc_topology == TOPOLOGY_LOOP)
-			vport->fc_flag |=  FC_PUBLIC_LOOP;
-		spin_unlock_irq(shost->host_lock);
+	spin_lock_irq(shost->host_lock);
+	vport->fc_flag |= FC_FABRIC;
+	if (vport->phba->fc_topology == TOPOLOGY_LOOP)
+		vport->fc_flag |=  FC_PUBLIC_LOOP;
+	spin_unlock_irq(shost->host_lock);
 
-		vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
-		lpfc_vport_set_state(vport, FC_VPORT_ACTIVE);
-		if ((vport->fc_prevDID != vport->fc_myDID) &&
-			!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
-			/* If our NportID changed, we need to ensure all
-			 * remaining NPORTs get unreg_login'ed so we can
-			 * issue unreg_vpi.
-			 */
-			list_for_each_entry_safe(np, next_np,
-				&vport->fc_nodes, nlp_listp) {
-				if (!NLP_CHK_NODE_ACT(ndlp) ||
-				    (np->nlp_state != NLP_STE_NPR_NODE) ||
-				    !(np->nlp_flag & NLP_NPR_ADISC))
-					continue;
-				spin_lock_irq(shost->host_lock);
-				np->nlp_flag &= ~NLP_NPR_ADISC;
-				spin_unlock_irq(shost->host_lock);
-				lpfc_unreg_rpi(vport, np);
-			}
-			lpfc_mbx_unreg_vpi(vport);
+	vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID;
+	lpfc_vport_set_state(vport, FC_VPORT_ACTIVE);
+	if ((vport->fc_prevDID != vport->fc_myDID) &&
+		!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
+		/* If our NportID changed, we need to ensure all
+		 * remaining NPORTs get unreg_login'ed so we can
+		 * issue unreg_vpi.
+		 */
+		list_for_each_entry_safe(np, next_np,
+			&vport->fc_nodes, nlp_listp) {
+			if (!NLP_CHK_NODE_ACT(ndlp) ||
+			    (np->nlp_state != NLP_STE_NPR_NODE) ||
+			    !(np->nlp_flag & NLP_NPR_ADISC))
+				continue;
 			spin_lock_irq(shost->host_lock);
-			vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+			np->nlp_flag &= ~NLP_NPR_ADISC;
 			spin_unlock_irq(shost->host_lock);
+			lpfc_unreg_rpi(vport, np);
 		}
-
-		if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
-			lpfc_register_new_vport(phba, vport, ndlp);
-		else
-			lpfc_do_scr_ns_plogi(phba, vport);
-
-		/* Unconditionaly kick off releasing fabric node for vports */
-		lpfc_nlp_put(ndlp);
+		lpfc_mbx_unreg_vpi(vport);
+		spin_lock_irq(shost->host_lock);
+		vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+		spin_unlock_irq(shost->host_lock);
 	}
 
+	if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)
+		lpfc_register_new_vport(phba, vport, ndlp);
+	else
+		lpfc_do_scr_ns_plogi(phba, vport);
+	goto out;
+fdisc_failed:
+	lpfc_vport_set_state(vport, FC_VPORT_FAILED);
+	/* Cancel discovery timer */
+	lpfc_can_disctmo(vport);
+	lpfc_nlp_put(ndlp);
 out:
 	lpfc_els_free_iocb(phba, cmdiocb);
 }
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index aaf398e5c93..72c1cf15ef2 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -207,8 +207,16 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
 		return;
 	}
 
-	if (ndlp->nlp_state == NLP_STE_MAPPED_NODE)
+	if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
+		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+				 "0284 Devloss timeout Ignored on "
+				 "WWPN %x:%x:%x:%x:%x:%x:%x:%x "
+				 "NPort x%x\n",
+				 *name, *(name+1), *(name+2), *(name+3),
+				 *(name+4), *(name+5), *(name+6), *(name+7),
+				 ndlp->nlp_DID);
 		return;
+	}
 
 	if (ndlp->nlp_type & NLP_FABRIC) {
 		/* We will clean up these Nodes in linkup */
@@ -1169,7 +1177,7 @@ lpfc_mbx_cmpl_unreg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 		scsi_host_put(shost);
 }
 
-void
+int
 lpfc_mbx_unreg_vpi(struct lpfc_vport *vport)
 {
 	struct lpfc_hba  *phba = vport->phba;
@@ -1178,7 +1186,7 @@ lpfc_mbx_unreg_vpi(struct lpfc_vport *vport)
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!mbox)
-		return;
+		return 1;
 
 	lpfc_unreg_vpi(phba, vport->vpi, mbox);
 	mbox->vport = vport;
@@ -1189,7 +1197,9 @@ lpfc_mbx_unreg_vpi(struct lpfc_vport *vport)
 				 "1800 Could not issue unreg_vpi\n");
 		mempool_free(mbox, phba->mbox_mem_pool);
 		vport->unreg_vpi_cmpl = VPORT_ERROR;
+		return rc;
 	}
+	return 0;
 }
 
 static void
@@ -2778,7 +2788,7 @@ restart_disc:
 
 	default:
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
-				 "0229 Unexpected discovery timeout, "
+				 "0273 Unexpected discovery timeout, "
 				 "vport State x%x\n", vport->port_state);
 		break;
 	}
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index a986332fecf..9f94dab5ea7 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -2318,6 +2318,36 @@ typedef struct {
 #define  DMP_RSP_OFFSET          0x14   /* word 5 contains first word of rsp */
 #define  DMP_RSP_SIZE            0x6C   /* maximum of 27 words of rsp data */
 
+/* Structure for MB Command UPDATE_CFG (0x1B) */
+
+struct update_cfg_var {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint32_t rsvd2:16;
+	uint32_t type:8;
+	uint32_t rsvd:1;
+	uint32_t ra:1;
+	uint32_t co:1;
+	uint32_t cv:1;
+	uint32_t req:4;
+	uint32_t entry_length:16;
+	uint32_t region_id:16;
+#else  /*  __LITTLE_ENDIAN_BITFIELD */
+	uint32_t req:4;
+	uint32_t cv:1;
+	uint32_t co:1;
+	uint32_t ra:1;
+	uint32_t rsvd:1;
+	uint32_t type:8;
+	uint32_t rsvd2:16;
+	uint32_t region_id:16;
+	uint32_t entry_length:16;
+#endif
+
+	uint32_t resp_info;
+	uint32_t byte_cnt;
+	uint32_t data_offset;
+};
+
 struct hbq_mask {
 #ifdef __BIG_ENDIAN_BITFIELD
 	uint8_t tmatch;
@@ -2672,6 +2702,7 @@ typedef union {
 					 * NEW_FEATURE
 					 */
 	struct config_hbq_var varCfgHbq;/* cmd = 0x7c (CONFIG_HBQ)  */
+	struct update_cfg_var varUpdateCfg; /* cmd = 0x1B (UPDATE_CFG)*/
 	CONFIG_PORT_VAR varCfgPort;	/* cmd = 0x88 (CONFIG_PORT)  */
 	REG_VPI_VAR varRegVpi;		/* cmd = 0x96 (REG_VPI) */
 	UNREG_VPI_VAR varUnregVpi;	/* cmd = 0x97 (UNREG_VPI) */
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 6a7a039e890..b8989c43aaf 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -183,12 +183,9 @@ lpfc_config_port_prep(struct lpfc_hba *phba)
 						sizeof (phba->RandomData));
 
 	/* Get adapter VPD information */
-	pmb->context2 = kmalloc(DMP_RSP_SIZE, GFP_KERNEL);
-	if (!pmb->context2)
-		goto out_free_mbox;
 	lpfc_vpd_data = kmalloc(DMP_VPD_SIZE, GFP_KERNEL);
 	if (!lpfc_vpd_data)
-		goto out_free_context2;
+		goto out_free_mbox;
 
 	do {
 		lpfc_dump_mem(phba, pmb, offset);
@@ -203,15 +200,14 @@ lpfc_config_port_prep(struct lpfc_hba *phba)
 		}
 		if (mb->un.varDmp.word_cnt > DMP_VPD_SIZE - offset)
 			mb->un.varDmp.word_cnt = DMP_VPD_SIZE - offset;
-		lpfc_sli_pcimem_bcopy(pmb->context2, lpfc_vpd_data + offset,
+		lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
+				      lpfc_vpd_data + offset,
 				      mb->un.varDmp.word_cnt);
 		offset += mb->un.varDmp.word_cnt;
 	} while (mb->un.varDmp.word_cnt && offset < DMP_VPD_SIZE);
 	lpfc_parse_vpd(phba, lpfc_vpd_data, offset);
 
 	kfree(lpfc_vpd_data);
-out_free_context2:
-	kfree(pmb->context2);
 out_free_mbox:
 	mempool_free(pmb, phba->mbox_mem_pool);
 	return 0;
@@ -425,9 +421,8 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 
 	lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
-	pmb->vport = vport;
-	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 	lpfc_set_loopback_flag(phba);
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
 	if (rc != MBX_SUCCESS) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0454 Adapter failed to init, mbxCmd x%x "
@@ -462,7 +457,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 				rc);
 		mempool_free(pmb, phba->mbox_mem_pool);
 	}
-	return (0);
+	return 0;
 }
 
 /**
@@ -841,7 +836,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 		temp_event_data.data = (uint32_t)temperature;
 
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"0459 Adapter maximum temperature exceeded "
+				"0406 Adapter maximum temperature exceeded "
 				"(%ld), taking this port offline "
 				"Data: x%x x%x x%x\n",
 				temperature, phba->work_hs,
@@ -1595,7 +1590,7 @@ lpfc_cleanup(struct lpfc_vport *vport)
 						&vport->fc_nodes, nlp_listp) {
 				lpfc_printf_vlog(ndlp->vport, KERN_ERR,
 						LOG_NODE,
-						"0282: did:x%x ndlp:x%p "
+						"0282 did:x%x ndlp:x%p "
 						"usgmap:x%x refcnt:%d\n",
 						ndlp->nlp_DID, (void *)ndlp,
 						ndlp->nlp_usg_map,
@@ -2320,10 +2315,10 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 		goto out_iounmap;
 
 	memset(phba->slim2p.virt, 0, SLI2_SLIM_SIZE);
-	phba->mbox = phba->slim2p.virt;
-	phba->pcb = (phba->slim2p.virt + sizeof(MAILBOX_t));
-	phba->IOCBs = (phba->slim2p.virt + sizeof(MAILBOX_t) +
-		       sizeof(struct _PCB));
+	phba->mbox = phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, mbx);
+	phba->pcb = (phba->slim2p.virt + offsetof(struct lpfc_sli2_slim, pcb));
+	phba->IOCBs = (phba->slim2p.virt +
+		       offsetof(struct lpfc_sli2_slim, IOCBs));
 
 	phba->hbqslimp.virt = dma_alloc_coherent(&phba->pcidev->dev,
 						 lpfc_sli_hbq_size(),
@@ -2889,7 +2884,8 @@ lpfc_init(void)
 	error = pci_register_driver(&lpfc_driver);
 	if (error) {
 		fc_release_transport(lpfc_transport_template);
-		fc_release_transport(lpfc_vport_transport_template);
+		if (lpfc_enable_npiv)
+			fc_release_transport(lpfc_vport_transport_template);
 	}
 
 	return error;
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 705c4ae1bdc..83ffa75378e 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1853,8 +1853,13 @@ static uint32_t
 lpfc_cmpl_logo_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 			void *arg, uint32_t evt)
 {
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	if (ndlp->nlp_DID == Fabric_DID) {
+		spin_lock_irq(shost->host_lock);
+		vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
+		spin_unlock_irq(shost->host_lock);
+	}
 	lpfc_unreg_rpi(vport, ndlp);
-	/* This routine does nothing, just return the current state */
 	return ndlp->nlp_state;
 }
 
@@ -2143,7 +2148,7 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		lpfc_nlp_put(ndlp);
 	} else {
 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
-			"0212 DSM out state %d on NPort free\n", rc);
+			"0213 DSM out state %d on NPort free\n", rc);
 
 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
 			"DSM out:         ste:%d did:x%x flg:x%x",
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index c1bb90cf0d0..b73968b2b8b 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -627,9 +627,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 			cmd->result = ScsiResult(DID_BUS_BUSY, 0);
 			break;
 		case IOSTAT_LOCAL_REJECT:
-			if (lpfc_cmd->result == RJT_UNAVAIL_PERM ||
+			if (lpfc_cmd->result == IOERR_INVALID_RPI ||
 			    lpfc_cmd->result == IOERR_NO_RESOURCES ||
-			    lpfc_cmd->result == RJT_LOGIN_REQUIRED) {
+			    lpfc_cmd->result == IOERR_ABORT_REQUESTED) {
 				cmd->result = ScsiResult(DID_REQUEUE, 0);
 				break;
 			} /* else: fall through */
@@ -1318,7 +1318,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
 	struct lpfc_hba   *phba = vport->phba;
 	struct lpfc_nodelist *ndlp = NULL;
 	int match;
-	int ret = SUCCESS, status, i;
+	int ret = SUCCESS, status = SUCCESS, i;
 	int cnt;
 	struct lpfc_scsi_buf * lpfc_cmd;
 	unsigned long later;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 77afa2ba6a2..c7a520fa1aa 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -844,48 +844,58 @@ struct lpfc_hbq_init *lpfc_hbq_defs[] = {
  * @hbqno: HBQ number.
  * @count: Number of HBQ buffers to be posted.
  *
- * This function is called with no lock held to post more
- * hbq buffers to the given HBQ. The function returns 0
- * when successful and returns 1 other wise.
+ * This function is called with no lock held to post more hbq buffers to the
+ * given HBQ. The function returns the number of HBQ buffers successfully
+ * posted.
  **/
 static int
 lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
 {
-	uint32_t i, start, end;
+	uint32_t i, posted = 0;
 	unsigned long flags;
 	struct hbq_dmabuf *hbq_buffer;
-
+	LIST_HEAD(hbq_buf_list);
 	if (!phba->hbqs[hbqno].hbq_alloc_buffer)
 		return 0;
 
-	start = phba->hbqs[hbqno].buffer_count;
-	end = count + start;
-	if (end > lpfc_hbq_defs[hbqno]->entry_count)
-		end = lpfc_hbq_defs[hbqno]->entry_count;
-
+	if ((phba->hbqs[hbqno].buffer_count + count) >
+	    lpfc_hbq_defs[hbqno]->entry_count)
+		count = lpfc_hbq_defs[hbqno]->entry_count -
+					phba->hbqs[hbqno].buffer_count;
+	if (!count)
+		return 0;
+	/* Allocate HBQ entries */
+	for (i = 0; i < count; i++) {
+		hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
+		if (!hbq_buffer)
+			break;
+		list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list);
+	}
 	/* Check whether HBQ is still in use */
 	spin_lock_irqsave(&phba->hbalock, flags);
 	if (!phba->hbq_in_use)
-		goto out;
-
-	/* Populate HBQ entries */
-	for (i = start; i < end; i++) {
-		hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
-		if (!hbq_buffer)
-			goto err;
-		hbq_buffer->tag = (i | (hbqno << 16));
-		if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer))
+		goto err;
+	while (!list_empty(&hbq_buf_list)) {
+		list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf,
+				 dbuf.list);
+		hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count |
+				      (hbqno << 16));
+		if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) {
 			phba->hbqs[hbqno].buffer_count++;
-		else
+			posted++;
+		} else
 			(phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
 	}
-
- out:
 	spin_unlock_irqrestore(&phba->hbalock, flags);
-	return 0;
- err:
+	return posted;
+err:
 	spin_unlock_irqrestore(&phba->hbalock, flags);
-	return 1;
+	while (!list_empty(&hbq_buf_list)) {
+		list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf,
+				 dbuf.list);
+		(phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
+	}
+	return 0;
 }
 
 /**
@@ -894,8 +904,8 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
  * @qno: HBQ number.
  *
  * This function posts more buffers to the HBQ. This function
- * is called with no lock held. The function returns 0 when
- * successful and returns 1 otherwise.
+ * is called with no lock held. The function returns the number of HBQ entries
+ * successfully allocated.
  **/
 int
 lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
@@ -911,7 +921,7 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
  *
  * This function is called from SLI initialization code path with
  * no lock held to post initial HBQ buffers to firmware. The
- * function returns 0 when successful and returns 1 otherwise.
+ * function returns the number of HBQ entries successfully allocated.
  **/
 static int
 lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
@@ -1253,7 +1263,9 @@ lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
  * This function is called from unsolicited event handler code path to get the
  * HBQ buffer associated with an unsolicited iocb. This function is called with
  * no lock held. It returns the buffer associated with the given tag and posts
- * another buffer to the firmware.
+ * another buffer to the firmware. Note that the new buffer must be allocated
+ * before taking the hbalock and that the hba lock must be held until it is
+ * finished with the hbq entry swap.
  **/
 static struct lpfc_dmabuf *
 lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
@@ -1264,22 +1276,28 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
 	dma_addr_t phys;	/* mapped address */
 	unsigned long flags;
 
+	hbqno = tag >> 16;
+	new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
 	/* Check whether HBQ is still in use */
 	spin_lock_irqsave(&phba->hbalock, flags);
 	if (!phba->hbq_in_use) {
+		if (new_hbq_entry)
+			(phba->hbqs[hbqno].hbq_free_buffer)(phba,
+							    new_hbq_entry);
 		spin_unlock_irqrestore(&phba->hbalock, flags);
 		return NULL;
 	}
 
 	hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
 	if (hbq_entry == NULL) {
+		if (new_hbq_entry)
+			(phba->hbqs[hbqno].hbq_free_buffer)(phba,
+							    new_hbq_entry);
 		spin_unlock_irqrestore(&phba->hbalock, flags);
 		return NULL;
 	}
 	list_del(&hbq_entry->dbuf.list);
 
-	hbqno = tag >> 16;
-	new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
 	if (new_hbq_entry == NULL) {
 		list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
 		spin_unlock_irqrestore(&phba->hbalock, flags);
@@ -1748,8 +1766,8 @@ void lpfc_sli_poll_fcp_ring(struct lpfc_hba *phba)
 					irsp->un.ulpWord[3],
 					irsp->un.ulpWord[4],
 					irsp->un.ulpWord[5],
-					*(((uint32_t *) irsp) + 6),
-					*(((uint32_t *) irsp) + 7));
+					*(uint32_t *)&irsp->un1,
+					*((uint32_t *)&irsp->un1 + 1));
 		}
 
 		switch (type) {
@@ -1935,8 +1953,8 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
 					irsp->un.ulpWord[3],
 					irsp->un.ulpWord[4],
 					irsp->un.ulpWord[5],
-					*(((uint32_t *) irsp) + 6),
-					*(((uint32_t *) irsp) + 7));
+					*(uint32_t *)&irsp->un1,
+					*((uint32_t *)&irsp->un1 + 1));
 		}
 
 		switch (type) {
@@ -2921,10 +2939,8 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
 	mempool_free(pmb, phba->mbox_mem_pool);
 
 	/* Initially populate or replenish the HBQs */
-	for (hbqno = 0; hbqno < hbq_count; ++hbqno) {
-		if (lpfc_sli_hbqbuf_init_hbqs(phba, hbqno))
-			return -ENOMEM;
-	}
+	for (hbqno = 0; hbqno < hbq_count; ++hbqno)
+		lpfc_sli_hbqbuf_init_hbqs(phba, hbqno);
 	return 0;
 }
 
@@ -3034,6 +3050,7 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
 		phba->port_gp = phba->mbox->us.s2.port;
 		phba->inb_ha_copy = NULL;
 		phba->inb_counter = NULL;
+		phba->max_vpi = 0;
 	}
 do_prep_failed:
 	mempool_free(pmb, phba->mbox_mem_pool);
@@ -4335,7 +4352,7 @@ lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 
 	spin_unlock_irq(&phba->hbalock);
 	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-			"0410 Cannot find virtual addr for buffer tag on "
+			"0402 Cannot find virtual addr for buffer tag on "
 			"ring %d Data x%lx x%p x%p x%x\n",
 			pring->ringno, (unsigned long) tag,
 			slp->next, slp->prev, pring->postbufq_cnt);
@@ -4482,7 +4499,7 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 
 	/* ELS cmd tag <ulpIoTag> completes */
 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
-			"0133 Ignoring ELS cmd tag x%x completion Data: "
+			"0139 Ignoring ELS cmd tag x%x completion Data: "
 			"x%x x%x x%x\n",
 			irsp->ulpIoTag, irsp->ulpStatus,
 			irsp->un.ulpWord[4], irsp->ulpTimeout);
@@ -4568,6 +4585,8 @@ lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			 iabt->un.acxri.abortIoTag, abtsiocbp->iotag);
 	retval = __lpfc_sli_issue_iocb(phba, pring, abtsiocbp, 0);
 
+	if (retval)
+		__lpfc_sli_release_iocbq(phba, abtsiocbp);
 abort_iotag_exit:
 	/*
 	 * Caller to this routine should check for IOCB_ERROR
@@ -4899,7 +4918,7 @@ lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba,
 		}
 	} else {
 		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
-				":0332 IOCB wait issue failed, Data x%x\n",
+				"0332 IOCB wait issue failed, Data x%x\n",
 				retval);
 		retval = IOCB_ERROR;
 	}
@@ -5271,7 +5290,7 @@ lpfc_intr_handler(int irq, void *dev_id)
 							lpfc_printf_log(phba,
 							KERN_ERR,
 							LOG_MBOX | LOG_SLI,
-							"0306 rc should have"
+							"0350 rc should have"
 							"been MBX_BUSY");
 						goto send_current_mbox;
 					}
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index ad0f6531387..2578d5fd953 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -577,8 +577,12 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 	 * initiated after we've disposed of all other resources associated
 	 * with the port.
 	 */
-	if (!scsi_host_get(shost) || !scsi_host_get(shost))
+	if (!scsi_host_get(shost))
 		return VPORT_INVAL;
+	if (!scsi_host_get(shost)) {
+		scsi_host_put(shost);
+		return VPORT_INVAL;
+	}
 	spin_lock_irq(&phba->hbalock);
 	vport->load_flag |= FC_UNLOADING;
 	spin_unlock_irq(&phba->hbalock);
@@ -668,6 +672,8 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 		}
 		vport->unreg_vpi_cmpl = VPORT_INVAL;
 		timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
+		if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
+			goto skip_logo;
 		if (!lpfc_issue_els_npiv_logo(vport, ndlp))
 			while (vport->unreg_vpi_cmpl == VPORT_INVAL && timeout)
 				timeout = schedule_timeout(timeout);
@@ -689,8 +695,10 @@ skip_logo:
 		 * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi)
 		 * does the scsi_host_put() to release the vport.
 		 */
-		lpfc_mbx_unreg_vpi(vport);
-	}
+		if (lpfc_mbx_unreg_vpi(vport))
+			scsi_host_put(shost);
+	} else
+		scsi_host_put(shost);
 
 	lpfc_free_vpi(phba, vport->vpi);
 	vport->work_port_events = 0;
-- 
GitLab


From 84774a4d0a4dba8a5767da6c58ea5a8c5b0cfe25 Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:50:06 -0400
Subject: [PATCH 0398/2224] [SCSI] lpfc 8.2.8 : Add new FCOE hardware support

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc.h         |  4 +-
 drivers/scsi/lpfc/lpfc_attr.c    | 33 ++++++++++++++--
 drivers/scsi/lpfc/lpfc_hbadisc.c | 66 +++++++++++++++++++++++++++-----
 drivers/scsi/lpfc/lpfc_hw.h      | 26 ++++++++++++-
 drivers/scsi/lpfc/lpfc_init.c    | 30 ++++++++++++++-
 drivers/scsi/lpfc/lpfc_sli.c     | 12 ++++++
 drivers/scsi/lpfc/lpfc_sli.h     |  1 +
 7 files changed, 153 insertions(+), 19 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index f57a416033b..aee5444b63d 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -613,6 +613,7 @@ struct lpfc_hba {
 	unsigned long last_completion_time;
 	struct timer_list hb_tmofunc;
 	uint8_t hb_outstanding;
+	enum hba_temp_state over_temp_state;
 	/* ndlp reference management */
 	spinlock_t ndlp_lock;
 	/*
@@ -621,7 +622,8 @@ struct lpfc_hba {
 	 */
 #define QUE_BUFTAG_BIT  (1<<31)
 	uint32_t buffer_tag_count;
-	enum hba_temp_state over_temp_state;
+	int wait_4_mlo_maint_flg;
+	wait_queue_head_t wait_4_mlo_m_q;
 };
 
 static inline struct Scsi_Host *
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 172b6b0a570..b9acc6eefe6 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -210,6 +210,25 @@ lpfc_programtype_show(struct device *dev, struct device_attribute *attr,
 	return snprintf(buf, PAGE_SIZE, "%s\n",phba->ProgramType);
 }
 
+/**
+ * lpfc_mlomgmt_show: Return the Menlo Maintenance sli flag.
+ * @dev: class converted to a Scsi_host structure.
+ * @attr: device attribute, not used.
+ * @buf: on return contains the Menlo Maintenance sli flag.
+ *
+ * Returns: size of formatted string.
+ **/
+static ssize_t
+lpfc_mlomgmt_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+		(phba->sli.sli_flag & LPFC_MENLO_MAINT));
+}
+
 /**
  * lpfc_vportnum_show: Return the port number in ascii of the hba.
  * @dev: class converted to a Scsi_host structure.
@@ -352,8 +371,10 @@ lpfc_link_state_show(struct device *dev, struct device_attribute *attr,
 					"Unknown\n");
 			break;
 		}
-
-		if (phba->fc_topology == TOPOLOGY_LOOP) {
+		if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
+			len += snprintf(buf + len, PAGE_SIZE-len,
+					"   Menlo Maint Mode\n");
+		else if (phba->fc_topology == TOPOLOGY_LOOP) {
 			if (vport->fc_flag & FC_PUBLIC_LOOP)
 				len += snprintf(buf + len, PAGE_SIZE-len,
 						"   Public Loop\n");
@@ -1476,6 +1497,7 @@ static DEVICE_ATTR(option_rom_version, S_IRUGO,
 		   lpfc_option_rom_version_show, NULL);
 static DEVICE_ATTR(num_discovered_ports, S_IRUGO,
 		   lpfc_num_discovered_ports_show, NULL);
+static DEVICE_ATTR(menlo_mgmt_mode, S_IRUGO, lpfc_mlomgmt_show, NULL);
 static DEVICE_ATTR(nport_evt_cnt, S_IRUGO, lpfc_nport_evt_cnt_show, NULL);
 static DEVICE_ATTR(lpfc_drvr_version, S_IRUGO, lpfc_drvr_version_show, NULL);
 static DEVICE_ATTR(board_mode, S_IRUGO | S_IWUSR,
@@ -2395,6 +2417,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
 	&dev_attr_option_rom_version,
 	&dev_attr_link_state,
 	&dev_attr_num_discovered_ports,
+	&dev_attr_menlo_mgmt_mode,
 	&dev_attr_lpfc_drvr_version,
 	&dev_attr_lpfc_temp_sensor,
 	&dev_attr_lpfc_log_verbose,
@@ -2763,6 +2786,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr,
 		case MBX_DEL_LD_ENTRY:
 		case MBX_SET_VARIABLE:
 		case MBX_WRITE_WWN:
+		case MBX_PORT_CAPABILITIES:
+		case MBX_PORT_IOV_CONTROL:
 			break;
 		case MBX_READ_SPARM64:
 		case MBX_READ_LA:
@@ -2867,7 +2892,7 @@ static struct bin_attribute sysfs_mbox_attr = {
 };
 
 /**
- * lpfc_alloc_sysfs_attr: Creates the sysfs, ctlreg, menlo and mbox entries.
+ * lpfc_alloc_sysfs_attr: Creates the ctlreg and mbox entries.
  * @vport: address of lpfc vport structure.
  *
  * Return codes:
@@ -2898,7 +2923,7 @@ out:
 }
 
 /**
- * lpfc_free_sysfs_attr: Removes the sysfs, ctlreg, menlo and mbox entries.
+ * lpfc_free_sysfs_attr: Removes the ctlreg and mbox entries.
  * @vport: address of lpfc vport structure.
  **/
 void
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 72c1cf15ef2..b4ef8362353 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1013,14 +1013,10 @@ out:
 }
 
 static void
-lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
+lpfc_enable_la(struct lpfc_hba *phba)
 {
 	uint32_t control;
 	struct lpfc_sli *psli = &phba->sli;
-
-	lpfc_linkdown(phba);
-
-	/* turn on Link Attention interrupts - no CLEAR_LA needed */
 	spin_lock_irq(&phba->hbalock);
 	psli->sli_flag |= LPFC_PROCESS_LA;
 	control = readl(phba->HCregaddr);
@@ -1030,6 +1026,15 @@ lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
 	spin_unlock_irq(&phba->hbalock);
 }
 
+static void
+lpfc_mbx_issue_link_down(struct lpfc_hba *phba)
+{
+	lpfc_linkdown(phba);
+	lpfc_enable_la(phba);
+	/* turn on Link Attention interrupts - no CLEAR_LA needed */
+}
+
+
 /*
  * This routine handles processing a READ_LA mailbox
  * command upon completion. It is setup in the LPFC_MBOXQ
@@ -1077,8 +1082,12 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	}
 
 	phba->fc_eventTag = la->eventTag;
+	if (la->mm)
+		phba->sli.sli_flag |= LPFC_MENLO_MAINT;
+	else
+		phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
 
-	if (la->attType == AT_LINK_UP) {
+	if (la->attType == AT_LINK_UP && (!la->mm)) {
 		phba->fc_stat.LinkUp++;
 		if (phba->link_flag & LS_LOOPBACK_MODE) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
@@ -1090,13 +1099,15 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 		} else {
 			lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
 					"1303 Link Up Event x%x received "
-					"Data: x%x x%x x%x x%x\n",
+					"Data: x%x x%x x%x x%x x%x x%x %d\n",
 					la->eventTag, phba->fc_eventTag,
 					la->granted_AL_PA, la->UlnkSpeed,
-					phba->alpa_map[0]);
+					phba->alpa_map[0],
+					la->mm, la->fa,
+					phba->wait_4_mlo_maint_flg);
 		}
 		lpfc_mbx_process_link_up(phba, la);
-	} else {
+	} else if (la->attType == AT_LINK_DOWN) {
 		phba->fc_stat.LinkDown++;
 		if (phba->link_flag & LS_LOOPBACK_MODE) {
 			lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
@@ -1109,11 +1120,46 @@ lpfc_mbx_cmpl_read_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 		else {
 			lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
 				"1305 Link Down Event x%x received "
+				"Data: x%x x%x x%x x%x x%x\n",
+				la->eventTag, phba->fc_eventTag,
+				phba->pport->port_state, vport->fc_flag,
+				la->mm, la->fa);
+		}
+		lpfc_mbx_issue_link_down(phba);
+	}
+	if (la->mm && la->attType == AT_LINK_UP) {
+		if (phba->link_state != LPFC_LINK_DOWN) {
+			phba->fc_stat.LinkDown++;
+			lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+				"1312 Link Down Event x%x received "
+				"Data: x%x x%x x%x\n",
+				la->eventTag, phba->fc_eventTag,
+				phba->pport->port_state, vport->fc_flag);
+			lpfc_mbx_issue_link_down(phba);
+		} else
+			lpfc_enable_la(phba);
+
+		lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
+				"1310 Menlo Maint Mode Link up Event x%x rcvd "
 				"Data: x%x x%x x%x\n",
 				la->eventTag, phba->fc_eventTag,
 				phba->pport->port_state, vport->fc_flag);
+		/*
+		 * The cmnd that triggered this will be waiting for this
+		 * signal.
+		 */
+		/* WAKEUP for MENLO_SET_MODE or MENLO_RESET command. */
+		if (phba->wait_4_mlo_maint_flg) {
+			phba->wait_4_mlo_maint_flg = 0;
+			wake_up_interruptible(&phba->wait_4_mlo_m_q);
 		}
-		lpfc_mbx_issue_link_down(phba);
+	}
+
+	if (la->fa) {
+		if (la->mm)
+			lpfc_issue_clear_la(phba, vport);
+		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
+				"1311 fa %d\n", la->fa);
 	}
 
 lpfc_mbx_cmpl_read_la_free_mbuf:
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 9f94dab5ea7..ee4e50175ca 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1107,6 +1107,8 @@ typedef struct {
 /* Start FireFly Register definitions */
 #define PCI_VENDOR_ID_EMULEX        0x10df
 #define PCI_DEVICE_ID_FIREFLY       0x1ae5
+#define PCI_DEVICE_ID_PROTEUS_VF    0xe100
+#define PCI_DEVICE_ID_PROTEUS_PF    0xe180
 #define PCI_DEVICE_ID_SAT_SMB       0xf011
 #define PCI_DEVICE_ID_SAT_MID       0xf015
 #define PCI_DEVICE_ID_RFLY          0xf095
@@ -1133,10 +1135,12 @@ typedef struct {
 #define PCI_DEVICE_ID_LP11000S      0xfc10
 #define PCI_DEVICE_ID_LPE11000S     0xfc20
 #define PCI_DEVICE_ID_SAT_S         0xfc40
+#define PCI_DEVICE_ID_PROTEUS_S     0xfc50
 #define PCI_DEVICE_ID_HELIOS        0xfd00
 #define PCI_DEVICE_ID_HELIOS_SCSP   0xfd11
 #define PCI_DEVICE_ID_HELIOS_DCSP   0xfd12
 #define PCI_DEVICE_ID_ZEPHYR        0xfe00
+#define PCI_DEVICE_ID_HORNET        0xfe05
 #define PCI_DEVICE_ID_ZEPHYR_SCSP   0xfe11
 #define PCI_DEVICE_ID_ZEPHYR_DCSP   0xfe12
 
@@ -1154,6 +1158,7 @@ typedef struct {
 #define ZEPHYR_JEDEC_ID             0x0577
 #define VIPER_JEDEC_ID              0x4838
 #define SATURN_JEDEC_ID             0x1004
+#define HORNET_JDEC_ID              0x2057706D
 
 #define JEDEC_ID_MASK               0x0FFFF000
 #define JEDEC_ID_SHIFT              12
@@ -1289,6 +1294,9 @@ typedef struct {		/* FireFly BIU registers */
 #define MBX_WRITE_VPARMS    0x32
 #define MBX_ASYNCEVT_ENABLE 0x33
 
+#define MBX_PORT_CAPABILITIES 0x3B
+#define MBX_PORT_IOV_CONTROL 0x3C
+
 #define MBX_CONFIG_HBQ	    0x7C
 #define MBX_LOAD_AREA       0x81
 #define MBX_RUN_BIU_DIAG64  0x84
@@ -2195,7 +2203,10 @@ typedef struct {
 typedef struct {
 	uint32_t eventTag;	/* Event tag */
 #ifdef __BIG_ENDIAN_BITFIELD
-	uint32_t rsvd1:22;
+	uint32_t rsvd1:19;
+	uint32_t fa:1;
+	uint32_t mm:1;		/* Menlo Maintenance mode enabled */
+	uint32_t rx:1;
 	uint32_t pb:1;
 	uint32_t il:1;
 	uint32_t attType:8;
@@ -2203,7 +2214,10 @@ typedef struct {
 	uint32_t attType:8;
 	uint32_t il:1;
 	uint32_t pb:1;
-	uint32_t rsvd1:22;
+	uint32_t rx:1;
+	uint32_t mm:1;
+	uint32_t fa:1;
+	uint32_t rsvd1:19;
 #endif
 
 #define AT_RESERVED    0x00	/* Reserved - attType */
@@ -2224,6 +2238,7 @@ typedef struct {
 
 #define TOPOLOGY_PT_PT 0x01	/* Topology is pt-pt / pt-fabric */
 #define TOPOLOGY_LOOP  0x02	/* Topology is FC-AL */
+#define TOPOLOGY_LNK_MENLO_MAINTENANCE 0x05 /* maint mode zephtr to menlo */
 
 	union {
 		struct ulp_bde lilpBde; /* This BDE points to a 128 byte buffer
@@ -3346,3 +3361,10 @@ lpfc_error_lost_link(IOCB_t *iocbp)
 		 iocbp->un.ulpWord[4] == IOERR_LINK_DOWN ||
 		 iocbp->un.ulpWord[4] == IOERR_SLI_DOWN));
 }
+
+#define MENLO_TRANSPORT_TYPE 0xfe
+#define MENLO_CONTEXT 0
+#define MENLO_PU 3
+#define MENLO_TIMEOUT 30
+#define SETVAR_MLOMNT 0x103107
+#define SETVAR_MLORST 0x103007
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index b8989c43aaf..41a8c13e695 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1130,6 +1130,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 	lpfc_vpd_t *vp;
 	uint16_t dev_id = phba->pcidev->device;
 	int max_speed;
+	int GE = 0;
 	struct {
 		char * name;
 		int    max_speed;
@@ -1261,6 +1262,19 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 	case PCI_DEVICE_ID_SAT_S:
 		m = (typeof(m)){"LPe12000-S", max_speed, "PCIe"};
 		break;
+	case PCI_DEVICE_ID_HORNET:
+		m = (typeof(m)){"LP21000", max_speed, "PCIe"};
+		GE = 1;
+		break;
+	case PCI_DEVICE_ID_PROTEUS_VF:
+		m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
+		break;
+	case PCI_DEVICE_ID_PROTEUS_PF:
+		m = (typeof(m)) {"LPev12000", max_speed, "PCIe IOV"};
+		break;
+	case PCI_DEVICE_ID_PROTEUS_S:
+		m = (typeof(m)) {"LPemv12002-S", max_speed, "PCIe IOV"};
+		break;
 	default:
 		m = (typeof(m)){ NULL };
 		break;
@@ -1270,8 +1284,11 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
 		snprintf(mdp, 79,"%s", m.name);
 	if (descp && descp[0] == '\0')
 		snprintf(descp, 255,
-			 "Emulex %s %dGb %s Fibre Channel Adapter",
-			 m.name, m.max_speed, m.bus);
+			"Emulex %s %d%s %s %s",
+			m.name, m.max_speed,
+			(GE) ? "GE" : "Gb",
+			m.bus,
+			(GE) ? "FCoE Adapter" : "Fibre Channel Adapter");
 }
 
 /**
@@ -2248,6 +2265,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 		goto out_free_phba;
 
 	INIT_LIST_HEAD(&phba->port_list);
+	init_waitqueue_head(&phba->wait_4_mlo_m_q);
 	/*
 	 * Get all the module params for configuring this host and then
 	 * establish the host.
@@ -2796,6 +2814,8 @@ static struct pci_device_id lpfc_id_table[] = {
 		PCI_ANY_ID, PCI_ANY_ID, },
 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR,
 		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_HORNET,
+		PCI_ANY_ID, PCI_ANY_ID, },
 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_SCSP,
 		PCI_ANY_ID, PCI_ANY_ID, },
 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_ZEPHYR_DCSP,
@@ -2826,6 +2846,12 @@ static struct pci_device_id lpfc_id_table[] = {
 		PCI_ANY_ID, PCI_ANY_ID, },
 	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SAT_S,
 		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_VF,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_PF,
+		PCI_ANY_ID, PCI_ANY_ID, },
+	{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_PROTEUS_S,
+		PCI_ANY_ID, PCI_ANY_ID, },
 	{ 0 }
 };
 
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index c7a520fa1aa..857bc0a57c4 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1050,6 +1050,8 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
 	case MBX_REG_VPI:
 	case MBX_UNREG_VPI:
 	case MBX_HEARTBEAT:
+	case MBX_PORT_CAPABILITIES:
+	case MBX_PORT_IOV_CONTROL:
 		ret = mbxCommand;
 		break;
 	default:
@@ -3697,6 +3699,16 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		 * can be issued if the link is not up.
 		 */
 		switch (piocb->iocb.ulpCommand) {
+		case CMD_GEN_REQUEST64_CR:
+		case CMD_GEN_REQUEST64_CX:
+			if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) ||
+				(piocb->iocb.un.genreq64.w5.hcsw.Rctl !=
+					FC_FCP_CMND) ||
+				(piocb->iocb.un.genreq64.w5.hcsw.Type !=
+					MENLO_TRANSPORT_TYPE))
+
+				goto iocb_busy;
+			break;
 		case CMD_QUE_RING_BUF_CN:
 		case CMD_QUE_RING_BUF64_CN:
 			/*
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index 7249fd252cb..883938652a6 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -233,6 +233,7 @@ struct lpfc_sli {
 #define LPFC_SLI2_ACTIVE          0x200	/* SLI2 overlay in firmware is active */
 #define LPFC_PROCESS_LA           0x400	/* Able to process link attention */
 #define LPFC_BLOCK_MGMT_IO        0x800	/* Don't allow mgmt mbx or iocb cmds */
+#define LPFC_MENLO_MAINT          0x1000 /* need for menl fw download */
 
 	struct lpfc_sli_ring ring[LPFC_MAX_RING];
 	int fcp_ring;		/* ring used for FCP initiator commands */
-- 
GitLab


From a8e497d51e6adb2dd6ef307ae76f3433a4dbe895 Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:50:11 -0400
Subject: [PATCH 0399/2224] [SCSI] lpfc 8.2.8 : Add support for PCI-EEH
 permanent disabling

Add support for PCI-EEH permanent-disabling a device via lpfc_pci_remove_one()

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc_crtn.h    |  2 +
 drivers/scsi/lpfc/lpfc_hbadisc.c |  2 -
 drivers/scsi/lpfc/lpfc_init.c    |  9 ++++-
 drivers/scsi/lpfc/lpfc_scsi.c    | 29 +++++++++++++++
 drivers/scsi/lpfc/lpfc_sli.c     | 64 ++++++++++++++++++++++++++++++++
 5 files changed, 103 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 189ce9f8a7b..495afd06936 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -199,6 +199,7 @@ int lpfc_sli_issue_iocb(struct lpfc_hba *, struct lpfc_sli_ring *,
 			struct lpfc_iocbq *, uint32_t);
 void lpfc_sli_pcimem_bcopy(void *, void *, uint32_t);
 void lpfc_sli_abort_iocb_ring(struct lpfc_hba *, struct lpfc_sli_ring *);
+void lpfc_sli_flush_fcp_rings(struct lpfc_hba *);
 int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *,
 			     struct lpfc_dmabuf *);
 struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *,
@@ -290,6 +291,7 @@ void lpfc_unblock_fabric_iocbs(struct lpfc_hba *);
 void lpfc_adjust_queue_depth(struct lpfc_hba *);
 void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
+void lpfc_scsi_dev_block(struct lpfc_hba *);
 
 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 #define HBA_EVENT_RSCN                   5
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index b4ef8362353..897ef7d7a8e 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -237,8 +237,6 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
 		lpfc_sli_abort_iocb(vport, &phba->sli.ring[phba->sli.fcp_ring],
 				    ndlp->nlp_sid, 0, LPFC_CTX_TGT);
 	}
-	if (vport->load_flag & FC_UNLOADING)
-		warn_on = 0;
 
 	if (warn_on) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 41a8c13e695..333166b1790 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2661,8 +2661,15 @@ static pci_ers_result_t lpfc_io_error_detected(struct pci_dev *pdev,
 	struct lpfc_sli *psli = &phba->sli;
 	struct lpfc_sli_ring  *pring;
 
-	if (state == pci_channel_io_perm_failure)
+	if (state == pci_channel_io_perm_failure) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0472 PCI channel I/O permanent failure\n");
+		/* Block all SCSI devices' I/Os on the host */
+		lpfc_scsi_dev_block(phba);
+		/* Clean up all driver's outstanding SCSI I/Os */
+		lpfc_sli_flush_fcp_rings(phba);
 		return PCI_ERS_RESULT_DISCONNECT;
+	}
 
 	pci_disable_device(pdev);
 	/*
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index b73968b2b8b..3606b7098fc 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -183,6 +183,35 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
 	atomic_set(&phba->num_cmd_success, 0);
 }
 
+/**
+ * lpfc_scsi_dev_block: set all scsi hosts to block state.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function walks vport list and set each SCSI host to block state
+ * by invoking fc_remote_port_delete() routine. This function is invoked
+ * with EEH when device's PCI slot has been permanently disabled.
+ **/
+void
+lpfc_scsi_dev_block(struct lpfc_hba *phba)
+{
+	struct lpfc_vport **vports;
+	struct Scsi_Host  *shost;
+	struct scsi_device *sdev;
+	struct fc_rport *rport;
+	int i;
+
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports != NULL)
+		for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+			shost = lpfc_shost_from_vport(vports[i]);
+			shost_for_each_device(sdev, shost) {
+				rport = starget_to_rport(scsi_target(sdev));
+				fc_remote_port_delete(rport);
+			}
+		}
+	lpfc_destroy_vport_work_array(phba, vports);
+}
+
 /*
  * This routine allocates a scsi buffer, which contains all the necessary
  * information needed to initiate a SCSI I/O.  The non-DMAable buffer region
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 857bc0a57c4..1812e18246d 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2376,6 +2376,70 @@ lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	}
 }
 
+/**
+ * lpfc_sli_flush_fcp_rings: flush all iocbs in the fcp ring.
+ * @phba: Pointer to HBA context object.
+ *
+ * This function flushes all iocbs in the fcp ring and frees all the iocb
+ * objects in txq and txcmplq. This function will not issue abort iocbs
+ * for all the iocb commands in txcmplq, they will just be returned with
+ * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI
+ * slot has been permanently disabled.
+ **/
+void
+lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba)
+{
+	LIST_HEAD(txq);
+	LIST_HEAD(txcmplq);
+	struct lpfc_iocbq *iocb;
+	IOCB_t *cmd = NULL;
+	struct lpfc_sli *psli = &phba->sli;
+	struct lpfc_sli_ring  *pring;
+
+	/* Currently, only one fcp ring */
+	pring = &psli->ring[psli->fcp_ring];
+
+	spin_lock_irq(&phba->hbalock);
+	/* Retrieve everything on txq */
+	list_splice_init(&pring->txq, &txq);
+	pring->txq_cnt = 0;
+
+	/* Retrieve everything on the txcmplq */
+	list_splice_init(&pring->txcmplq, &txcmplq);
+	pring->txcmplq_cnt = 0;
+	spin_unlock_irq(&phba->hbalock);
+
+	/* Flush the txq */
+	while (!list_empty(&txq)) {
+		iocb = list_get_first(&txq, struct lpfc_iocbq, list);
+		cmd = &iocb->iocb;
+		list_del_init(&iocb->list);
+
+		if (!iocb->iocb_cmpl)
+			lpfc_sli_release_iocbq(phba, iocb);
+		else {
+			cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
+			cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
+			(iocb->iocb_cmpl) (phba, iocb, iocb);
+		}
+	}
+
+	/* Flush the txcmpq */
+	while (!list_empty(&txcmplq)) {
+		iocb = list_get_first(&txcmplq, struct lpfc_iocbq, list);
+		cmd = &iocb->iocb;
+		list_del_init(&iocb->list);
+
+		if (!iocb->iocb_cmpl)
+			lpfc_sli_release_iocbq(phba, iocb);
+		else {
+			cmd->ulpStatus = IOSTAT_LOCAL_REJECT;
+			cmd->un.ulpWord[4] = IOERR_SLI_DOWN;
+			(iocb->iocb_cmpl) (phba, iocb, iocb);
+		}
+	}
+}
+
 /**
  * lpfc_sli_brdready: Check for host status bits.
  * @phba: Pointer to HBA context object.
-- 
GitLab


From 0f1f53a7efd60d7cdd8e82925f0c62dcf64ba092 Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:50:18 -0400
Subject: [PATCH 0400/2224] [SCSI] lpfc 8.2.8 : Update driver to use new Host
 byte error code DID_TRANSPORT_DISRUPTED

[jejb: drop rejecting hunk altered by target busy patches]
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc_scsi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 3606b7098fc..5dae4d30675 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -653,7 +653,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 			break;
 		case IOSTAT_NPORT_BSY:
 		case IOSTAT_FABRIC_BSY:
-			cmd->result = ScsiResult(DID_BUS_BUSY, 0);
+			cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0);
 			break;
 		case IOSTAT_LOCAL_REJECT:
 			if (lpfc_cmd->result == IOERR_INVALID_RPI ||
@@ -669,7 +669,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 
 		if (!pnode || !NLP_CHK_NODE_ACT(pnode)
 		    || (pnode->nlp_state != NLP_STE_MAPPED_NODE))
-			cmd->result = ScsiResult(DID_BUS_BUSY, SAM_STAT_BUSY);
+			cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED,
+						 SAM_STAT_BUSY);
 	} else {
 		cmd->result = ScsiResult(DID_OK, 0);
 	}
-- 
GitLab


From 9399627f340794baebf7e4581470ccb92f019acc Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:50:30 -0400
Subject: [PATCH 0401/2224] [SCSI] lpfc 8.2.8 : Add MSI-X support

Add support for MSI-X Multi-Message interrupts. We use different vectors
for fast-path interrupts (i/o) and slow-patch interrupts (discovery, etc).

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc.h         |  35 ++-
 drivers/scsi/lpfc/lpfc_attr.c    |   8 +-
 drivers/scsi/lpfc/lpfc_crtn.h    |  43 ++--
 drivers/scsi/lpfc/lpfc_hbadisc.c |   2 +
 drivers/scsi/lpfc/lpfc_hw.h      |  63 ++++-
 drivers/scsi/lpfc/lpfc_init.c    | 230 ++++++++++++++----
 drivers/scsi/lpfc/lpfc_mbox.c    |  80 +++++-
 drivers/scsi/lpfc/lpfc_sli.c     | 401 ++++++++++++++++++++++++-------
 drivers/scsi/lpfc/lpfc_version.h |   4 +-
 9 files changed, 699 insertions(+), 167 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index aee5444b63d..18153846611 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -49,6 +49,9 @@ struct lpfc_sli2_slim;
 #define LPFC_HB_MBOX_INTERVAL   5	/* Heart beat interval in seconds. */
 #define LPFC_HB_MBOX_TIMEOUT    30	/* Heart beat timeout  in seconds. */
 
+/* Error Attention event polling interval */
+#define LPFC_ERATT_POLL_INTERVAL	5 /* EATT poll interval in seconds */
+
 /* Define macros for 64 bit support */
 #define putPaddrLow(addr)    ((uint32_t) (0xffffffff & (u64)(addr)))
 #define putPaddrHigh(addr)   ((uint32_t) (0xffffffff & (((u64)(addr))>>32)))
@@ -60,6 +63,9 @@ struct lpfc_sli2_slim;
 
 #define MAX_HBAEVT	32
 
+/* Number of MSI-X vectors the driver uses */
+#define LPFC_MSIX_VECTORS	2
+
 /* lpfc wait event data ready flag */
 #define LPFC_DATA_READY		(1<<0)
 
@@ -423,12 +429,16 @@ struct lpfc_hba {
 #define LS_NPIV_FAB_SUPPORTED 0x2	/* Fabric supports NPIV */
 #define LS_IGNORE_ERATT       0x4	/* intr handler should ignore ERATT */
 
+	uint32_t hba_flag;	/* hba generic flags */
+#define HBA_ERATT_HANDLED	0x1 /* This flag is set when eratt handled */
+
 	struct lpfc_dmabuf slim2p;
 
 	MAILBOX_t *mbox;
 	uint32_t *inb_ha_copy;
 	uint32_t *inb_counter;
 	uint32_t inb_last_counter;
+	uint32_t ha_copy;
 	struct _PCB *pcb;
 	struct _IOCB *IOCBs;
 
@@ -544,6 +554,7 @@ struct lpfc_hba {
 	uint8_t soft_wwn_enable;
 
 	struct timer_list fcp_poll_timer;
+	struct timer_list eratt_poll;
 
 	/*
 	 * stat  counters
@@ -573,7 +584,7 @@ struct lpfc_hba {
 
 	struct fc_host_statistics link_stats;
 	enum intr_type_t intr_type;
-	struct msix_entry msix_entries[1];
+	struct msix_entry msix_entries[LPFC_MSIX_VECTORS];
 
 	struct list_head port_list;
 	struct lpfc_vport *pport;	/* physical lpfc_vport pointer */
@@ -660,6 +671,28 @@ lpfc_worker_wake_up(struct lpfc_hba *phba)
 	return;
 }
 
+static inline void
+lpfc_sli_read_hs(struct lpfc_hba *phba)
+{
+	/*
+	 * There was a link/board error. Read the status register to retrieve
+	 * the error event and process it.
+	 */
+	phba->sli.slistat.err_attn_event++;
+
+	/* Save status info */
+	phba->work_hs = readl(phba->HSregaddr);
+	phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
+	phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
+
+	/* Clear chip Host Attention error bit */
+	writel(HA_ERATT, phba->HAregaddr);
+	readl(phba->HAregaddr); /* flush */
+	phba->pport->stopped = 1;
+
+	return;
+}
+
 #define FC_REG_DUMP_EVENT		0x10	/* Register for Dump events */
 #define FC_REG_TEMPERATURE_EVENT	0x20    /* Register for temperature
 						   event */
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index b9acc6eefe6..21397f37010 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -2372,12 +2372,12 @@ LPFC_ATTR_RW(poll_tmo, 10, 1, 255,
 /*
 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
 #		support this feature
-#       0  = MSI disabled (default)
+#       0  = MSI disabled
 #       1  = MSI enabled
-#	2  = MSI-X enabled
-# Value range is [0,2]. Default value is 0.
+#       2  = MSI-X enabled (default)
+# Value range is [0,2]. Default value is 2.
 */
-LPFC_ATTR_R(use_msi, 0, 0, 2, "Use Message Signaled Interrupts (1) or "
+LPFC_ATTR_R(use_msi, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
 	    "MSI-X (2), if possible");
 
 /*
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 495afd06936..7d173f4a37f 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param);
+typedef int (*node_filter)(struct lpfc_nodelist *, void *);
 
 struct fc_rport;
 void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t);
@@ -26,11 +26,11 @@ void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 
 void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *);
-int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb,
-		 struct lpfc_dmabuf *mp);
+int lpfc_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *, struct lpfc_dmabuf *);
 void lpfc_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
-void lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport);
+void lpfc_issue_clear_la(struct lpfc_hba *, struct lpfc_vport *);
 void lpfc_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_config_msi(struct lpfc_hba *, LPFC_MBOXQ_t *);
 int lpfc_read_sparam(struct lpfc_hba *, LPFC_MBOXQ_t *, int);
 void lpfc_read_config(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_read_lnk_stat(struct lpfc_hba *, LPFC_MBOXQ_t *);
@@ -43,7 +43,7 @@ void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
 void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 
 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
-void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove);
+void lpfc_cleanup_rpis(struct lpfc_vport *, int);
 int lpfc_linkdown(struct lpfc_hba *);
 void lpfc_port_link_failure(struct lpfc_vport *);
 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
@@ -135,7 +135,7 @@ void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *,
 int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t);
 int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int);
 void lpfc_fdmi_tmo(unsigned long);
-void lpfc_fdmi_timeout_handler(struct lpfc_vport *vport);
+void lpfc_fdmi_timeout_handler(struct lpfc_vport *);
 
 int lpfc_config_port_prep(struct lpfc_hba *);
 int lpfc_config_port_post(struct lpfc_hba *);
@@ -155,6 +155,8 @@ int lpfc_sli_queue_setup(struct lpfc_hba *);
 void lpfc_handle_eratt(struct lpfc_hba *);
 void lpfc_handle_latt(struct lpfc_hba *);
 irqreturn_t lpfc_intr_handler(int, void *);
+irqreturn_t lpfc_sp_intr_handler(int, void *);
+irqreturn_t lpfc_fp_intr_handler(int, void *);
 
 void lpfc_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_config_ring(struct lpfc_hba *, int, LPFC_MBOXQ_t *);
@@ -175,11 +177,12 @@ void lpfc_mem_free(struct lpfc_hba *);
 void lpfc_stop_vport_timers(struct lpfc_vport *);
 
 void lpfc_poll_timeout(unsigned long ptr);
-void lpfc_poll_start_timer(struct lpfc_hba * phba);
-void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba);
+void lpfc_poll_start_timer(struct lpfc_hba *);
+void lpfc_poll_eratt(unsigned long);
+void lpfc_sli_poll_fcp_ring(struct lpfc_hba *);
 struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *);
-void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
-uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb);
+void lpfc_sli_release_iocbq(struct lpfc_hba *, struct lpfc_iocbq *);
+uint16_t lpfc_sli_next_iotag(struct lpfc_hba *, struct lpfc_iocbq *);
 
 void lpfc_reset_barrier(struct lpfc_hba * phba);
 int lpfc_sli_brdready(struct lpfc_hba *, uint32_t);
@@ -187,11 +190,13 @@ int lpfc_sli_brdkill(struct lpfc_hba *);
 int lpfc_sli_brdreset(struct lpfc_hba *);
 int lpfc_sli_brdrestart(struct lpfc_hba *);
 int lpfc_sli_hba_setup(struct lpfc_hba *);
+int lpfc_sli_config_port(struct lpfc_hba *, int);
 int lpfc_sli_host_down(struct lpfc_vport *);
 int lpfc_sli_hba_down(struct lpfc_hba *);
 int lpfc_sli_issue_mbox(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
 int lpfc_sli_handle_mb_event(struct lpfc_hba *);
 int lpfc_sli_flush_mbox_queue(struct lpfc_hba *);
+int lpfc_sli_check_eratt(struct lpfc_hba *);
 int lpfc_sli_handle_slow_ring_event(struct lpfc_hba *,
 				    struct lpfc_sli_ring *, uint32_t);
 void lpfc_sli_def_mbox_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
@@ -227,17 +232,13 @@ struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t);
 struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *,
 					 struct lpfc_name *);
 
-int lpfc_sli_issue_mbox_wait(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq,
-			     uint32_t timeout);
-
-int lpfc_sli_issue_iocb_wait(struct lpfc_hba * phba,
-			     struct lpfc_sli_ring * pring,
-			     struct lpfc_iocbq * piocb,
-			     struct lpfc_iocbq * prspiocbq,
-			     uint32_t timeout);
-void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba * phba,
-			     struct lpfc_iocbq * cmdiocb,
-			     struct lpfc_iocbq * rspiocb);
+int lpfc_sli_issue_mbox_wait(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t);
+
+int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, struct lpfc_sli_ring *,
+			     struct lpfc_iocbq *, struct lpfc_iocbq *,
+			     uint32_t);
+void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
+			     struct lpfc_iocbq *);
 
 void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
 
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 897ef7d7a8e..3b00d9b86c7 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -369,6 +369,7 @@ lpfc_work_done(struct lpfc_hba *phba)
 	spin_unlock_irq(&phba->hbalock);
 
 	if (ha_copy & HA_ERATT)
+		/* Handle the error attention event */
 		lpfc_handle_eratt(phba);
 
 	if (ha_copy & HA_MBATT)
@@ -376,6 +377,7 @@ lpfc_work_done(struct lpfc_hba *phba)
 
 	if (ha_copy & HA_LATT)
 		lpfc_handle_latt(phba);
+
 	vports = lpfc_create_vport_work_array(phba);
 	if (vports != NULL)
 		for(i = 0; i <= phba->max_vpi; i++) {
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index ee4e50175ca..5de5dabbbee 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1203,6 +1203,18 @@ typedef struct {		/* FireFly BIU registers */
 #define HA_RXATT       0x00000008	/* Bit  3 */
 #define HA_RXMASK      0x0000000f
 
+#define HA_R0_CLR_MSK	(HA_R0RE_REQ | HA_R0CE_RSP | HA_R0ATT)
+#define HA_R1_CLR_MSK	(HA_R1RE_REQ | HA_R1CE_RSP | HA_R1ATT)
+#define HA_R2_CLR_MSK	(HA_R2RE_REQ | HA_R2CE_RSP | HA_R2ATT)
+#define HA_R3_CLR_MSK	(HA_R3RE_REQ | HA_R3CE_RSP | HA_R3ATT)
+
+#define HA_R0_POS	3
+#define HA_R1_POS	7
+#define HA_R2_POS	11
+#define HA_R3_POS	15
+#define HA_LE_POS	29
+#define HA_MB_POS	30
+#define HA_ER_POS	31
 /* Chip Attention Register */
 
 #define CA_REG_OFFSET  4	/* Byte offset from register base address */
@@ -1240,7 +1252,7 @@ typedef struct {		/* FireFly BIU registers */
 
 /* Host Control Register */
 
-#define HC_REG_OFFSET  12	/* Word offset from register base address */
+#define HC_REG_OFFSET  12	/* Byte offset from register base address */
 
 #define HC_MBINT_ENA   0x00000001	/* Bit  0 */
 #define HC_R0INT_ENA   0x00000002	/* Bit  1 */
@@ -1253,6 +1265,19 @@ typedef struct {		/* FireFly BIU registers */
 #define HC_LAINT_ENA   0x20000000	/* Bit 29 */
 #define HC_ERINT_ENA   0x80000000	/* Bit 31 */
 
+/* Message Signaled Interrupt eXtension (MSI-X) message identifiers */
+#define MSIX_DFLT_ID	0
+#define MSIX_RNG0_ID	0
+#define MSIX_RNG1_ID	1
+#define MSIX_RNG2_ID	2
+#define MSIX_RNG3_ID	3
+
+#define MSIX_LINK_ID	4
+#define MSIX_MBOX_ID	5
+
+#define MSIX_SPARE0_ID	6
+#define MSIX_SPARE1_ID	7
+
 /* Mailbox Commands */
 #define MBX_SHUTDOWN        0x00	/* terminate testing */
 #define MBX_LOAD_SM         0x01
@@ -1290,6 +1315,7 @@ typedef struct {		/* FireFly BIU registers */
 #define MBX_KILL_BOARD      0x24
 #define MBX_CONFIG_FARP     0x25
 #define MBX_BEACON          0x2A
+#define MBX_CONFIG_MSI      0x30
 #define MBX_HEARTBEAT       0x31
 #define MBX_WRITE_VPARMS    0x32
 #define MBX_ASYNCEVT_ENABLE 0x33
@@ -2599,6 +2625,40 @@ typedef struct {
 
 } CONFIG_PORT_VAR;
 
+/* Structure for MB Command CONFIG_MSI (0x30) */
+struct config_msi_var {
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint32_t dfltMsgNum:8;	/* Default message number            */
+	uint32_t rsvd1:11;	/* Reserved                          */
+	uint32_t NID:5;		/* Number of secondary attention IDs */
+	uint32_t rsvd2:5;	/* Reserved                          */
+	uint32_t dfltPresent:1;	/* Default message number present    */
+	uint32_t addFlag:1;	/* Add association flag              */
+	uint32_t reportFlag:1;	/* Report association flag           */
+#else	/*  __LITTLE_ENDIAN_BITFIELD */
+	uint32_t reportFlag:1;	/* Report association flag           */
+	uint32_t addFlag:1;	/* Add association flag              */
+	uint32_t dfltPresent:1;	/* Default message number present    */
+	uint32_t rsvd2:5;	/* Reserved                          */
+	uint32_t NID:5;		/* Number of secondary attention IDs */
+	uint32_t rsvd1:11;	/* Reserved                          */
+	uint32_t dfltMsgNum:8;	/* Default message number            */
+#endif
+	uint32_t attentionConditions[2];
+	uint8_t  attentionId[16];
+	uint8_t  messageNumberByHA[64];
+	uint8_t  messageNumberByID[16];
+	uint32_t autoClearHA[2];
+#ifdef __BIG_ENDIAN_BITFIELD
+	uint32_t rsvd3:16;
+	uint32_t autoClearID:16;
+#else	/*  __LITTLE_ENDIAN_BITFIELD */
+	uint32_t autoClearID:16;
+	uint32_t rsvd3:16;
+#endif
+	uint32_t rsvd4;
+};
+
 /* SLI-2 Port Control Block */
 
 /* SLIM POINTER */
@@ -2722,6 +2782,7 @@ typedef union {
 	REG_VPI_VAR varRegVpi;		/* cmd = 0x96 (REG_VPI) */
 	UNREG_VPI_VAR varUnregVpi;	/* cmd = 0x97 (UNREG_VPI) */
 	ASYNCEVT_ENABLE_VAR varCfgAsyncEvent; /*cmd = x33 (CONFIG_ASYNC) */
+	struct config_msi_var varCfgMSI;/* cmd = x30 (CONFIG_MSI)     */
 } MAILVARIANTS;
 
 /*
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 333166b1790..49577d5f130 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -389,6 +389,29 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 	if (phba->sli_rev != 3)
 		lpfc_post_rcv_buf(phba);
 
+	/*
+	 * Configure HBA MSI-X attention conditions to messages if MSI-X mode
+	 */
+	if (phba->intr_type == MSIX) {
+		rc = lpfc_config_msi(phba, pmb);
+		if (rc) {
+			mempool_free(pmb, phba->mbox_mem_pool);
+			return -EIO;
+		}
+		rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+		if (rc != MBX_SUCCESS) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+					"0352 Config MSI mailbox command "
+					"failed, mbxCmd x%x, mbxStatus x%x\n",
+					pmb->mb.mbxCommand, pmb->mb.mbxStatus);
+			mempool_free(pmb, phba->mbox_mem_pool);
+			return -EIO;
+		}
+	}
+
+	/* Initialize ERATT handling flag */
+	phba->hba_flag &= ~HBA_ERATT_HANDLED;
+
 	/* Enable appropriate host interrupts */
 	spin_lock_irq(&phba->hbalock);
 	status = readl(phba->HCregaddr);
@@ -404,20 +427,21 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 
 	if ((phba->cfg_poll & ENABLE_FCP_RING_POLLING) &&
 	    (phba->cfg_poll & DISABLE_FCP_RING_INT))
-		status &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
+		status &= ~(HC_R0INT_ENA);
 
 	writel(status, phba->HCregaddr);
 	readl(phba->HCregaddr); /* flush */
 	spin_unlock_irq(&phba->hbalock);
 
-	/*
-	 * Setup the ring 0 (els)  timeout handler
-	 */
-	timeout = phba->fc_ratov << 1;
+	/* Set up ring-0 (ELS) timer */
+	timeout = phba->fc_ratov * 2;
 	mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout);
+	/* Set up heart beat (HB) timer */
 	mod_timer(&phba->hb_tmofunc, jiffies + HZ * LPFC_HB_MBOX_INTERVAL);
 	phba->hb_outstanding = 0;
 	phba->last_completion_time = jiffies;
+	/* Set up error attention (ERATT) polling timer */
+	mod_timer(&phba->eratt_poll, jiffies + HZ * LPFC_ERATT_POLL_INTERVAL);
 
 	lpfc_init_link(phba, pmb, phba->cfg_topology, phba->cfg_link_speed);
 	pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
@@ -581,12 +605,15 @@ lpfc_hb_timeout(unsigned long ptr)
 	unsigned long iflag;
 
 	phba = (struct lpfc_hba *)ptr;
+
+	/* Check for heart beat timeout conditions */
 	spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
 	tmo_posted = phba->pport->work_port_events & WORKER_HB_TMO;
 	if (!tmo_posted)
 		phba->pport->work_port_events |= WORKER_HB_TMO;
 	spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
 
+	/* Tell the worker thread there is work to do */
 	if (!tmo_posted)
 		lpfc_worker_wake_up(phba);
 	return;
@@ -617,6 +644,7 @@ lpfc_hb_mbox_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq)
 	phba->hb_outstanding = 0;
 	spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
 
+	/* Check and reset heart-beat timer is necessary */
 	mempool_free(pmboxq, phba->mbox_mem_pool);
 	if (!(phba->pport->fc_flag & FC_OFFLINE_MODE) &&
 		!(phba->link_state == LPFC_HBA_ERROR) &&
@@ -856,8 +884,8 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 
 	} else {
 		/* The if clause above forces this code path when the status
-		 * failure is a value other than FFER6.  Do not call the offline
-		 *  twice. This is the adapter hardware error path.
+		 * failure is a value other than FFER6. Do not call the offline
+		 * twice. This is the adapter hardware error path.
 		 */
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"0457 Adapter Hardware Error "
@@ -873,6 +901,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 
 		lpfc_offline_eratt(phba);
 	}
+	return;
 }
 
 /**
@@ -1656,6 +1685,7 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba)
 	del_timer_sync(&phba->fabric_block_timer);
 	phba->hb_outstanding = 0;
 	del_timer_sync(&phba->hb_tmofunc);
+	del_timer_sync(&phba->eratt_poll);
 	return;
 }
 
@@ -2172,30 +2202,97 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost)
 static int
 lpfc_enable_msix(struct lpfc_hba *phba)
 {
-	int error;
+	int rc, i;
+	LPFC_MBOXQ_t *pmb;
 
-	phba->msix_entries[0].entry = 0;
-	phba->msix_entries[0].vector = 0;
+	/* Set up MSI-X multi-message vectors */
+	for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+		phba->msix_entries[i].entry = i;
 
-	error = pci_enable_msix(phba->pcidev, phba->msix_entries,
+	/* Configure MSI-X capability structure */
+	rc = pci_enable_msix(phba->pcidev, phba->msix_entries,
 				ARRAY_SIZE(phba->msix_entries));
-	if (error) {
+	if (rc) {
 		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 				"0420 Enable MSI-X failed (%d), continuing "
-				"with MSI\n", error);
-		pci_disable_msix(phba->pcidev);
-		return error;
+				"with MSI\n", rc);
+		goto msi_fail_out;
+	} else
+		for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"0477 MSI-X entry[%d]: vector=x%x "
+					"message=%d\n", i,
+					phba->msix_entries[i].vector,
+					phba->msix_entries[i].entry);
+	/*
+	 * Assign MSI-X vectors to interrupt handlers
+	 */
+
+	/* vector-0 is associated to slow-path handler */
+	rc = request_irq(phba->msix_entries[0].vector, &lpfc_sp_intr_handler,
+			 IRQF_SHARED, LPFC_SP_DRIVER_HANDLER_NAME, phba);
+	if (rc) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0421 MSI-X slow-path request_irq failed "
+				"(%d), continuing with MSI\n", rc);
+		goto msi_fail_out;
 	}
 
-	error =	request_irq(phba->msix_entries[0].vector, lpfc_intr_handler, 0,
-			    LPFC_DRIVER_NAME, phba);
-	if (error) {
+	/* vector-1 is associated to fast-path handler */
+	rc = request_irq(phba->msix_entries[1].vector, &lpfc_fp_intr_handler,
+			 IRQF_SHARED, LPFC_FP_DRIVER_HANDLER_NAME, phba);
+
+	if (rc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
-				"0421 MSI-X request_irq failed (%d), "
-				"continuing with MSI\n", error);
-		pci_disable_msix(phba->pcidev);
+				"0429 MSI-X fast-path request_irq failed "
+				"(%d), continuing with MSI\n", rc);
+		goto irq_fail_out;
 	}
-	return error;
+
+	/*
+	 * Configure HBA MSI-X attention conditions to messages
+	 */
+	pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+
+	if (!pmb) {
+		rc = -ENOMEM;
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0474 Unable to allocate memory for issuing "
+				"MBOX_CONFIG_MSI command\n");
+		goto mem_fail_out;
+	}
+	rc = lpfc_config_msi(phba, pmb);
+	if (rc)
+		goto mbx_fail_out;
+	rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
+	if (rc != MBX_SUCCESS) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+				"0351 Config MSI mailbox command failed, "
+				"mbxCmd x%x, mbxStatus x%x\n",
+				pmb->mb.mbxCommand, pmb->mb.mbxStatus);
+		goto mbx_fail_out;
+	}
+
+	/* Free memory allocated for mailbox command */
+	mempool_free(pmb, phba->mbox_mem_pool);
+	return rc;
+
+mbx_fail_out:
+	/* Free memory allocated for mailbox command */
+	mempool_free(pmb, phba->mbox_mem_pool);
+
+mem_fail_out:
+	/* free the irq already requested */
+	free_irq(phba->msix_entries[1].vector, phba);
+
+irq_fail_out:
+	/* free the irq already requested */
+	free_irq(phba->msix_entries[0].vector, phba);
+
+msi_fail_out:
+	/* Unconfigure MSI-X capability structure */
+	pci_disable_msix(phba->pcidev);
+	return rc;
 }
 
 /**
@@ -2208,7 +2305,12 @@ lpfc_enable_msix(struct lpfc_hba *phba)
 static void
 lpfc_disable_msix(struct lpfc_hba *phba)
 {
-	free_irq(phba->msix_entries[0].vector, phba);
+	int i;
+
+	/* Free up MSI-X multi-message vectors */
+	for (i = 0; i < LPFC_MSIX_VECTORS; i++)
+		free_irq(phba->msix_entries[i].vector, phba);
+	/* Disable MSI-X */
 	pci_disable_msix(phba->pcidev);
 }
 
@@ -2288,6 +2390,9 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	init_timer(&phba->fabric_block_timer);
 	phba->fabric_block_timer.function = lpfc_fabric_block_timeout;
 	phba->fabric_block_timer.data = (unsigned long) phba;
+	init_timer(&phba->eratt_poll);
+	phba->eratt_poll.function = lpfc_poll_eratt;
+	phba->eratt_poll.data = (unsigned long) phba;
 
 	pci_set_master(pdev);
 	pci_try_set_mwi(pdev);
@@ -2307,7 +2412,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	bar2map_len        = pci_resource_len(phba->pcidev, 2);
 
 	/* Map HBA SLIM to a kernel virtual address. */
-	phba->slim_memmap_p      = ioremap(phba->pci_bar0_map, bar0map_len);
+	phba->slim_memmap_p = ioremap(phba->pci_bar0_map, bar0map_len);
 	if (!phba->slim_memmap_p) {
 		error = -ENODEV;
 		dev_printk(KERN_ERR, &pdev->dev,
@@ -2405,7 +2510,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	phba->fc_arbtov = FF_DEF_ARBTOV;
 
 	INIT_LIST_HEAD(&phba->work_list);
-	phba->work_ha_mask = (HA_ERATT|HA_MBATT|HA_LATT);
+	phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT);
 	phba->work_ha_mask |= (HA_RXMASK << (LPFC_ELS_RING * 4));
 
 	/* Initialize the wait queue head for the kernel thread */
@@ -2440,21 +2545,42 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	pci_set_drvdata(pdev, shost);
 	phba->intr_type = NONE;
 
+	phba->MBslimaddr = phba->slim_memmap_p;
+	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
+	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
+	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
+	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
+
+	/* Configure and enable interrupt */
 	if (phba->cfg_use_msi == 2) {
-		error = lpfc_enable_msix(phba);
-		if (!error)
-			phba->intr_type = MSIX;
+		/* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
+		error = lpfc_sli_config_port(phba, 3);
+		if (error)
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0427 Firmware not capable of SLI 3 mode.\n");
+		else {
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0426 Firmware capable of SLI 3 mode.\n");
+			/* Now, try to enable MSI-X interrupt mode */
+			error = lpfc_enable_msix(phba);
+			if (!error) {
+				phba->intr_type = MSIX;
+				lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+						"0430 enable MSI-X mode.\n");
+			}
+		}
 	}
 
 	/* Fallback to MSI if MSI-X initialization failed */
 	if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
 		retval = pci_enable_msi(phba->pcidev);
-		if (!retval)
+		if (!retval) {
 			phba->intr_type = MSI;
-		else
 			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-					"0452 Enable MSI failed, continuing "
-					"with IRQ\n");
+					"0473 enable MSI mode.\n");
+		} else
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"0452 enable IRQ mode.\n");
 	}
 
 	/* MSI-X is the only case the doesn't need to call request_irq */
@@ -2470,18 +2596,16 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 			phba->intr_type = INTx;
 	}
 
-	phba->MBslimaddr = phba->slim_memmap_p;
-	phba->HAregaddr = phba->ctrl_regs_memmap_p + HA_REG_OFFSET;
-	phba->CAregaddr = phba->ctrl_regs_memmap_p + CA_REG_OFFSET;
-	phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET;
-	phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET;
-
 	if (lpfc_alloc_sysfs_attr(vport)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1476 Failed to allocate sysfs attr\n");
 		error = -ENOMEM;
 		goto out_free_irq;
 	}
 
 	if (lpfc_sli_hba_setup(phba)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"1477 Failed to set up hba\n");
 		error = -ENODEV;
 		goto out_remove_device;
 	}
@@ -2500,6 +2624,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 		spin_unlock_irq(shost->host_lock);
 	}
 
+	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"0428 Perform SCSI scan\n");
 	scsi_scan_host(shost);
 
 	return 0;
@@ -2732,20 +2858,34 @@ static pci_ers_result_t lpfc_io_slot_reset(struct pci_dev *pdev)
 	/* Enable configured interrupt method */
 	phba->intr_type = NONE;
 	if (phba->cfg_use_msi == 2) {
-		error = lpfc_enable_msix(phba);
-		if (!error)
-			phba->intr_type = MSIX;
+		/* Need to issue conf_port mbox cmd before conf_msi mbox cmd */
+		error = lpfc_sli_config_port(phba, 3);
+		if (error)
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0478 Firmware not capable of SLI 3 mode.\n");
+		else {
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+				"0479 Firmware capable of SLI 3 mode.\n");
+			/* Now, try to enable MSI-X interrupt mode */
+			error = lpfc_enable_msix(phba);
+			if (!error) {
+				phba->intr_type = MSIX;
+				lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+						"0480 enable MSI-X mode.\n");
+			}
+		}
 	}
 
 	/* Fallback to MSI if MSI-X initialization failed */
 	if (phba->cfg_use_msi >= 1 && phba->intr_type == NONE) {
 		retval = pci_enable_msi(phba->pcidev);
-		if (!retval)
+		if (!retval) {
 			phba->intr_type = MSI;
-		else
 			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
-					"0470 Enable MSI failed, continuing "
-					"with IRQ\n");
+					"0481 enable MSI mode.\n");
+		} else
+			lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+					"0470 enable IRQ mode.\n");
 	}
 
 	/* MSI-X is the only case the doesn't need to call request_irq */
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index ca358355ec9..65bc8e1a5f7 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2004-2007 Emulex.  All rights reserved.           *
+ * Copyright (C) 2004-2008 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
@@ -271,6 +271,84 @@ lpfc_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
 	return;
 }
 
+/**
+ * lpfc_config_msi: Prepare a mailbox command for configuring msi-x.
+ * @phba: pointer to lpfc hba data structure.
+ * @pmb: pointer to the driver internal queue element for mailbox command.
+ *
+ * The configure MSI-X mailbox command is used to configure the HBA's SLI-3
+ * MSI-X multi-message interrupt vector association to interrupt attention
+ * conditions.
+ *
+ * Return codes
+ *    0 - Success
+ *    -EINVAL - Failure
+ **/
+int
+lpfc_config_msi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
+{
+	MAILBOX_t *mb = &pmb->mb;
+	uint32_t attentionConditions[2];
+
+	/* Sanity check */
+	if (phba->cfg_use_msi != 2) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0475 Not configured for supporting MSI-X "
+				"cfg_use_msi: 0x%x\n", phba->cfg_use_msi);
+		return -EINVAL;
+	}
+
+	if (phba->sli_rev < 3) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"0476 HBA not supporting SLI-3 or later "
+				"SLI Revision: 0x%x\n", phba->sli_rev);
+		return -EINVAL;
+	}
+
+	/* Clear mailbox command fields */
+	memset(pmb, 0, sizeof(LPFC_MBOXQ_t));
+
+	/*
+	 * SLI-3, Message Signaled Interrupt Fearure.
+	 */
+
+	/* Multi-message attention configuration */
+	attentionConditions[0] = (HA_R0ATT | HA_R1ATT | HA_R2ATT | HA_ERATT |
+				  HA_LATT | HA_MBATT);
+	attentionConditions[1] = 0;
+
+	mb->un.varCfgMSI.attentionConditions[0] = attentionConditions[0];
+	mb->un.varCfgMSI.attentionConditions[1] = attentionConditions[1];
+
+	/*
+	 * Set up message number to HA bit association
+	 */
+#ifdef __BIG_ENDIAN_BITFIELD
+	/* RA0 (FCP Ring) */
+	mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS] = 1;
+	/* RA1 (Other Protocol Extra Ring) */
+	mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS] = 1;
+#else   /*  __LITTLE_ENDIAN_BITFIELD */
+	/* RA0 (FCP Ring) */
+	mb->un.varCfgMSI.messageNumberByHA[HA_R0_POS^3] = 1;
+	/* RA1 (Other Protocol Extra Ring) */
+	mb->un.varCfgMSI.messageNumberByHA[HA_R1_POS^3] = 1;
+#endif
+	/* Multi-message interrupt autoclear configuration*/
+	mb->un.varCfgMSI.autoClearHA[0] = attentionConditions[0];
+	mb->un.varCfgMSI.autoClearHA[1] = attentionConditions[1];
+
+	/* For now, HBA autoclear does not work reliably, disable it */
+	mb->un.varCfgMSI.autoClearHA[0] = 0;
+	mb->un.varCfgMSI.autoClearHA[1] = 0;
+
+	/* Set command and owner bit */
+	mb->mbxCommand = MBX_CONFIG_MSI;
+	mb->mbxOwner = OWN_HOST;
+
+	return 0;
+}
+
 /**
  * lpfc_init_link: Prepare a mailbox command for initialize link on a HBA.
  * @phba: pointer to lpfc hba data structure.
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 1812e18246d..2cca39e9b93 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1698,6 +1698,36 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
 	return;
 }
 
+/**
+ * lpfc_poll_eratt: Error attention polling timer timeout handler.
+ * @ptr: Pointer to address of HBA context object.
+ *
+ * This function is invoked by the Error Attention polling timer when the
+ * timer times out. It will check the SLI Error Attention register for
+ * possible attention events. If so, it will post an Error Attention event
+ * and wake up worker thread to process it. Otherwise, it will set up the
+ * Error Attention polling timer for the next poll.
+ **/
+void lpfc_poll_eratt(unsigned long ptr)
+{
+	struct lpfc_hba *phba;
+	uint32_t eratt = 0;
+
+	phba = (struct lpfc_hba *)ptr;
+
+	/* Check chip HA register for error event */
+	eratt = lpfc_sli_check_eratt(phba);
+
+	if (eratt)
+		/* Tell the worker thread there is work to do */
+		lpfc_worker_wake_up(phba);
+	else
+		/* Restart the timer for next eratt poll */
+		mod_timer(&phba->eratt_poll, jiffies +
+					HZ * LPFC_ERATT_POLL_INTERVAL);
+	return;
+}
+
 /**
  * lpfc_sli_poll_fcp_ring: Handle FCP ring completion in polling mode.
  * @phba: Pointer to HBA context object.
@@ -3011,7 +3041,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
 }
 
 /**
- * lpfc_do_config_port: Issue config port mailbox command.
+ * lpfc_sli_config_port: Issue config port mailbox command.
  * @phba: Pointer to HBA context object.
  * @sli_mode: sli mode - 2/3
  *
@@ -3023,8 +3053,8 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
  * The function returns 0 if successful, else returns negative error
  * code.
  **/
-static int
-lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
+int
+lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
 {
 	LPFC_MBOXQ_t *pmb;
 	uint32_t resetcount = 0, rc = 0, done = 0;
@@ -3165,13 +3195,14 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba)
 		break;
 	}
 
-	rc = lpfc_do_config_port(phba, mode);
+	rc = lpfc_sli_config_port(phba, mode);
+
 	if (rc && lpfc_sli_mode == 3)
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT,
 				"1820 Unable to select SLI-3.  "
 				"Not supported by adapter.\n");
 	if (rc && mode != 2)
-		rc = lpfc_do_config_port(phba, 2);
+		rc = lpfc_sli_config_port(phba, 2);
 	if (rc)
 		goto lpfc_sli_hba_setup_error;
 
@@ -3192,8 +3223,7 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba)
 	if (rc)
 		goto lpfc_sli_hba_setup_error;
 
-				/* Init HBQs */
-
+	/* Init HBQs */
 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
 		rc = lpfc_sli_hbq_setup(phba);
 		if (rc)
@@ -5128,28 +5158,73 @@ lpfc_sli_flush_mbox_queue(struct lpfc_hba * phba)
 }
 
 /**
- * lpfc_intr_handler: The interrupt handler of lpfc driver.
+ * lpfc_sli_check_eratt: check error attention events
+ * @phba: Pointer to HBA context.
+ *
+ * This function is called form timer soft interrupt context to check HBA's
+ * error attention register bit for error attention events.
+ *
+ * This fucntion returns 1 when there is Error Attention in the Host Attention
+ * Register and returns 0 otherwise.
+ **/
+int
+lpfc_sli_check_eratt(struct lpfc_hba *phba)
+{
+	uint32_t ha_copy;
+
+	/* If somebody is waiting to handle an eratt, don't process it
+	 * here. The brdkill function will do this.
+	 */
+	if (phba->link_flag & LS_IGNORE_ERATT)
+		return 0;
+
+	/* Check if interrupt handler handles this ERATT */
+	spin_lock_irq(&phba->hbalock);
+	if (phba->hba_flag & HBA_ERATT_HANDLED) {
+		/* Interrupt handler has handled ERATT */
+		spin_unlock_irq(&phba->hbalock);
+		return 0;
+	}
+
+	/* Read chip Host Attention (HA) register */
+	ha_copy = readl(phba->HAregaddr);
+	if (ha_copy & HA_ERATT) {
+		/* Read host status register to retrieve error event */
+		lpfc_sli_read_hs(phba);
+		/* Set the driver HA work bitmap */
+		phba->work_ha |= HA_ERATT;
+		/* Indicate polling handles this ERATT */
+		phba->hba_flag |= HBA_ERATT_HANDLED;
+		spin_unlock_irq(&phba->hbalock);
+		return 1;
+	}
+	spin_unlock_irq(&phba->hbalock);
+	return 0;
+}
+
+/**
+ * lpfc_sp_intr_handler: The slow-path interrupt handler of lpfc driver.
  * @irq: Interrupt number.
  * @dev_id: The device context pointer.
  *
- * This function is called from the PCI layer when there is
- * an event in the HBA which requires driver attention. When
- * the PCI slot is in error recovery or the HBA is undergoing
- * initialization the interrupt handler will not process the
- * interrupt.
- * The error attention, link attention and els ring attention
- * events are handled by the worker thread. The interrupt
- * handler signals the worker thread and returns for these
- * events.
- * The SCSI ring event and mailbox events are handled in the
- * interrupt context.
- * This function is called without any lock held. It gets the
- * hbalock to access and update SLI data structures.
- * This function returns IRQ_HANDLED when interrupt is handled
- * else it returns IRQ_NONE.
+ * This function is directly called from the PCI layer as an interrupt
+ * service routine when the device is enabled with MSI-X multi-message
+ * interrupt mode and there are slow-path events in the HBA. However,
+ * when the device is enabled with either MSI or Pin-IRQ interrupt mode,
+ * this function is called as part of the device-level interrupt handler.
+ * When the PCI slot is in error recovery or the HBA is undergoing
+ * initialization, the interrupt handler will not process the interrupt.
+ * The link attention and ELS ring attention events are handled by the
+ * worker thread. The interrupt handler signals the worker thread and
+ * and returns for these events. This function is called without any
+ * lock held. It gets the hbalock to access and update SLI data
+ * structures.
+ *
+ * This function returns IRQ_HANDLED when interrupt is handled else it
+ * returns IRQ_NONE.
  **/
 irqreturn_t
-lpfc_intr_handler(int irq, void *dev_id)
+lpfc_sp_intr_handler(int irq, void *dev_id)
 {
 	struct lpfc_hba  *phba;
 	uint32_t ha_copy;
@@ -5168,54 +5243,52 @@ lpfc_intr_handler(int irq, void *dev_id)
 	 * Get the driver's phba structure from the dev_id and
 	 * assume the HBA is not interrupting.
 	 */
-	phba = (struct lpfc_hba *) dev_id;
+	phba = (struct lpfc_hba *)dev_id;
 
 	if (unlikely(!phba))
 		return IRQ_NONE;
 
-	/* If the pci channel is offline, ignore all the interrupts. */
-	if (unlikely(pci_channel_offline(phba->pcidev)))
-		return IRQ_NONE;
-
-	phba->sli.slistat.sli_intr++;
-
 	/*
-	 * Call the HBA to see if it is interrupting.  If not, don't claim
-	 * the interrupt
+	 * Stuff needs to be attented to when this function is invoked as an
+	 * individual interrupt handler in MSI-X multi-message interrupt mode
 	 */
-
-	/* Ignore all interrupts during initialization. */
-	if (unlikely(phba->link_state < LPFC_LINK_DOWN))
-		return IRQ_NONE;
-
-	/*
-	 * Read host attention register to determine interrupt source
-	 * Clear Attention Sources, except Error Attention (to
-	 * preserve status) and Link Attention
-	 */
-	spin_lock(&phba->hbalock);
-	if (phba->sli3_options & LPFC_SLI3_INB_ENABLED &&
-	    (phba->inb_last_counter != *phba->inb_counter)) {
-		phba->inb_last_counter = *phba->inb_counter;
-		ha_copy = le32_to_cpu(*phba->inb_ha_copy);
-	} else
+	if (phba->intr_type == MSIX) {
+		/* If the pci channel is offline, ignore all the interrupts */
+		if (unlikely(pci_channel_offline(phba->pcidev)))
+			return IRQ_NONE;
+		/* Update device-level interrupt statistics */
+		phba->sli.slistat.sli_intr++;
+		/* Ignore all interrupts during initialization. */
+		if (unlikely(phba->link_state < LPFC_LINK_DOWN))
+			return IRQ_NONE;
+		/* Need to read HA REG for slow-path events */
+		spin_lock(&phba->hbalock);
 		ha_copy = readl(phba->HAregaddr);
-	if (unlikely(!ha_copy)) {
+		/* If somebody is waiting to handle an eratt don't process it
+		 * here. The brdkill function will do this.
+		 */
+		if (phba->link_flag & LS_IGNORE_ERATT)
+			ha_copy &= ~HA_ERATT;
+		/* Check the need for handling ERATT in interrupt handler */
+		if (ha_copy & HA_ERATT) {
+			if (phba->hba_flag & HBA_ERATT_HANDLED)
+				/* ERATT polling has handled ERATT */
+				ha_copy &= ~HA_ERATT;
+			else
+				/* Indicate interrupt handler handles ERATT */
+				phba->hba_flag |= HBA_ERATT_HANDLED;
+		}
+		/* Clear up only attention source related to slow-path */
+		writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)),
+			phba->HAregaddr);
+		readl(phba->HAregaddr); /* flush */
 		spin_unlock(&phba->hbalock);
-		return IRQ_NONE;
-	}
-	/* If somebody is waiting to handle an eratt don't process it
-	 * here.  The brdkill function will do this.
-	 */
-	if (phba->link_flag & LS_IGNORE_ERATT)
-		ha_copy &= ~HA_ERATT;
-	writel((ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
-	readl(phba->HAregaddr); /* flush */
-	spin_unlock(&phba->hbalock);
+	} else
+		ha_copy = phba->ha_copy;
 
 	work_ha_copy = ha_copy & phba->work_ha_mask;
 
-	if (unlikely(work_ha_copy)) {
+	if (work_ha_copy) {
 		if (work_ha_copy & HA_LATT) {
 			if (phba->sli.sli_flag & LPFC_PROCESS_LA) {
 				/*
@@ -5234,7 +5307,7 @@ lpfc_intr_handler(int irq, void *dev_id)
 				work_ha_copy &= ~HA_LATT;
 		}
 
-		if (work_ha_copy & ~(HA_ERATT|HA_MBATT|HA_LATT)) {
+		if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) {
 			/*
 			 * Turn off Slow Rings interrupts, LPFC_ELS_RING is
 			 * the only slow ring.
@@ -5275,28 +5348,10 @@ lpfc_intr_handler(int irq, void *dev_id)
 				spin_unlock(&phba->hbalock);
 			}
 		}
-
-		if (work_ha_copy & HA_ERATT) {
-			/*
-			 * There was a link/board error.  Read the
-			 * status register to retrieve the error event
-			 * and process it.
-			 */
-			phba->sli.slistat.err_attn_event++;
-			/* Save status info */
-			phba->work_hs = readl(phba->HSregaddr);
-			phba->work_status[0] = readl(phba->MBslimaddr + 0xa8);
-			phba->work_status[1] = readl(phba->MBslimaddr + 0xac);
-
-			/* Clear Chip error bit */
-			writel(HA_ERATT, phba->HAregaddr);
-			readl(phba->HAregaddr); /* flush */
-			phba->pport->stopped = 1;
-		}
-
 		spin_lock(&phba->hbalock);
-		if ((work_ha_copy & HA_MBATT) &&
-		    (phba->sli.mbox_active)) {
+		if (work_ha_copy & HA_ERATT)
+			lpfc_sli_read_hs(phba);
+		if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) {
 			pmb = phba->sli.mbox_active;
 			pmbox = &pmb->mb;
 			mbox = phba->mbox;
@@ -5379,6 +5434,7 @@ lpfc_intr_handler(int irq, void *dev_id)
 			}
 		} else
 			spin_unlock(&phba->hbalock);
+
 		if ((work_ha_copy & HA_MBATT) &&
 		    (phba->sli.mbox_active == NULL)) {
 send_current_mbox:
@@ -5398,15 +5454,74 @@ send_current_mbox:
 		spin_unlock(&phba->hbalock);
 		lpfc_worker_wake_up(phba);
 	}
+	return IRQ_HANDLED;
 
-	ha_copy &= ~(phba->work_ha_mask);
+} /* lpfc_sp_intr_handler */
+
+/**
+ * lpfc_fp_intr_handler: The fast-path interrupt handler of lpfc driver.
+ * @irq: Interrupt number.
+ * @dev_id: The device context pointer.
+ *
+ * This function is directly called from the PCI layer as an interrupt
+ * service routine when the device is enabled with MSI-X multi-message
+ * interrupt mode and there is a fast-path FCP IOCB ring event in the
+ * HBA. However, when the device is enabled with either MSI or Pin-IRQ
+ * interrupt mode, this function is called as part of the device-level
+ * interrupt handler. When the PCI slot is in error recovery or the HBA
+ * is undergoing initialization, the interrupt handler will not process
+ * the interrupt. The SCSI FCP fast-path ring event are handled in the
+ * intrrupt context. This function is called without any lock held. It
+ * gets the hbalock to access and update SLI data structures.
+ *
+ * This function returns IRQ_HANDLED when interrupt is handled else it
+ * returns IRQ_NONE.
+ **/
+irqreturn_t
+lpfc_fp_intr_handler(int irq, void *dev_id)
+{
+	struct lpfc_hba  *phba;
+	uint32_t ha_copy;
+	unsigned long status;
+
+	/* Get the driver's phba structure from the dev_id and
+	 * assume the HBA is not interrupting.
+	 */
+	phba = (struct lpfc_hba *) dev_id;
+
+	if (unlikely(!phba))
+		return IRQ_NONE;
+
+	/*
+	 * Stuff needs to be attented to when this function is invoked as an
+	 * individual interrupt handler in MSI-X multi-message interrupt mode
+	 */
+	if (phba->intr_type == MSIX) {
+		/* If pci channel is offline, ignore all the interrupts */
+		if (unlikely(pci_channel_offline(phba->pcidev)))
+			return IRQ_NONE;
+		/* Update device-level interrupt statistics */
+		phba->sli.slistat.sli_intr++;
+		/* Ignore all interrupts during initialization. */
+		if (unlikely(phba->link_state < LPFC_LINK_DOWN))
+			return IRQ_NONE;
+		/* Need to read HA REG for FCP ring and other ring events */
+		ha_copy = readl(phba->HAregaddr);
+		/* Clear up only attention source related to fast-path */
+		spin_lock(&phba->hbalock);
+		writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)),
+			phba->HAregaddr);
+		readl(phba->HAregaddr); /* flush */
+		spin_unlock(&phba->hbalock);
+	} else
+		ha_copy = phba->ha_copy;
 
 	/*
-	 * Process all events on FCP ring.  Take the optimized path for
-	 * FCP IO.  Any other IO is slow path and is handled by
-	 * the worker thread.
+	 * Process all events on FCP ring. Take the optimized path for FCP IO.
 	 */
-	status = (ha_copy & (HA_RXMASK  << (4*LPFC_FCP_RING)));
+	ha_copy &= ~(phba->work_ha_mask);
+
+	status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING)));
 	status >>= (4*LPFC_FCP_RING);
 	if (status & HA_RXMASK)
 		lpfc_sli_handle_fast_ring_event(phba,
@@ -5415,11 +5530,10 @@ send_current_mbox:
 
 	if (phba->cfg_multi_ring_support == 2) {
 		/*
-		 * Process all events on extra ring.  Take the optimized path
-		 * for extra ring IO.  Any other IO is slow path and is handled
-		 * by the worker thread.
+		 * Process all events on extra ring. Take the optimized path
+		 * for extra ring IO.
 		 */
-		status = (ha_copy & (HA_RXMASK  << (4*LPFC_EXTRA_RING)));
+		status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING)));
 		status >>= (4*LPFC_EXTRA_RING);
 		if (status & HA_RXMASK) {
 			lpfc_sli_handle_fast_ring_event(phba,
@@ -5428,5 +5542,106 @@ send_current_mbox:
 		}
 	}
 	return IRQ_HANDLED;
+}  /* lpfc_fp_intr_handler */
+
+/**
+ * lpfc_intr_handler: The device-level interrupt handler of lpfc driver.
+ * @irq: Interrupt number.
+ * @dev_id: The device context pointer.
+ *
+ * This function is the device-level interrupt handler called from the PCI
+ * layer when either MSI or Pin-IRQ interrupt mode is enabled and there is
+ * an event in the HBA which requires driver attention. This function
+ * invokes the slow-path interrupt attention handling function and fast-path
+ * interrupt attention handling function in turn to process the relevant
+ * HBA attention events. This function is called without any lock held. It
+ * gets the hbalock to access and update SLI data structures.
+ *
+ * This function returns IRQ_HANDLED when interrupt is handled, else it
+ * returns IRQ_NONE.
+ **/
+irqreturn_t
+lpfc_intr_handler(int irq, void *dev_id)
+{
+	struct lpfc_hba  *phba;
+	irqreturn_t sp_irq_rc, fp_irq_rc;
+	unsigned long status1, status2;
+
+	/*
+	 * Get the driver's phba structure from the dev_id and
+	 * assume the HBA is not interrupting.
+	 */
+	phba = (struct lpfc_hba *) dev_id;
+
+	if (unlikely(!phba))
+		return IRQ_NONE;
+
+	/* If the pci channel is offline, ignore all the interrupts. */
+	if (unlikely(pci_channel_offline(phba->pcidev)))
+		return IRQ_NONE;
+
+	/* Update device level interrupt statistics */
+	phba->sli.slistat.sli_intr++;
+
+	/* Ignore all interrupts during initialization. */
+	if (unlikely(phba->link_state < LPFC_LINK_DOWN))
+		return IRQ_NONE;
+
+	spin_lock(&phba->hbalock);
+	phba->ha_copy = readl(phba->HAregaddr);
+	if (unlikely(!phba->ha_copy)) {
+		spin_unlock(&phba->hbalock);
+		return IRQ_NONE;
+	} else if (phba->ha_copy & HA_ERATT) {
+		if (phba->hba_flag & HBA_ERATT_HANDLED)
+			/* ERATT polling has handled ERATT */
+			phba->ha_copy &= ~HA_ERATT;
+		else
+			/* Indicate interrupt handler handles ERATT */
+			phba->hba_flag |= HBA_ERATT_HANDLED;
+	}
+
+	/* Clear attention sources except link and error attentions */
+	writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
+	readl(phba->HAregaddr); /* flush */
+	spin_unlock(&phba->hbalock);
+
+	/*
+	 * Invokes slow-path host attention interrupt handling as appropriate.
+	 */
+
+	/* status of events with mailbox and link attention */
+	status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT);
+
+	/* status of events with ELS ring */
+	status2 = (phba->ha_copy & (HA_RXMASK  << (4*LPFC_ELS_RING)));
+	status2 >>= (4*LPFC_ELS_RING);
+
+	if (status1 || (status2 & HA_RXMASK))
+		sp_irq_rc = lpfc_sp_intr_handler(irq, dev_id);
+	else
+		sp_irq_rc = IRQ_NONE;
+
+	/*
+	 * Invoke fast-path host attention interrupt handling as appropriate.
+	 */
+
+	/* status of events with FCP ring */
+	status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING)));
+	status1 >>= (4*LPFC_FCP_RING);
+
+	/* status of events with extra ring */
+	if (phba->cfg_multi_ring_support == 2) {
+		status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING)));
+		status2 >>= (4*LPFC_EXTRA_RING);
+	} else
+		status2 = 0;
+
+	if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK))
+		fp_irq_rc = lpfc_fp_intr_handler(irq, dev_id);
+	else
+		fp_irq_rc = IRQ_NONE;
 
-} /* lpfc_intr_handler */
+	/* Return device-level interrupt handling status */
+	return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc;
+}  /* lpfc_intr_handler */
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index ad24cacfbe1..1a62e57a6a2 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -20,7 +20,9 @@
 
 #define LPFC_DRIVER_VERSION "8.2.7"
 
-#define LPFC_DRIVER_NAME "lpfc"
+#define LPFC_DRIVER_NAME		"lpfc"
+#define LPFC_SP_DRIVER_HANDLER_NAME	"lpfc:sp"
+#define LPFC_FP_DRIVER_HANDLER_NAME	"lpfc:fp"
 
 #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \
 		LPFC_DRIVER_VERSION
-- 
GitLab


From d9cc21fa8caee54e7960114bce8946f563a8fddd Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 24 Aug 2008 21:50:45 -0400
Subject: [PATCH 0402/2224] [SCSI] lpfc 8.2.8 : update driver version to 8.2.8

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc_version.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 1a62e57a6a2..cc43e9de22c 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.2.7"
+#define LPFC_DRIVER_VERSION "8.2.8"
 
 #define LPFC_DRIVER_NAME		"lpfc"
 #define LPFC_SP_DRIVER_HANDLER_NAME	"lpfc:sp"
-- 
GitLab


From 64f84bc1cf49aa5e0c4b945b434e5d4b74e0831d Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sat, 6 Sep 2008 08:39:16 -0500
Subject: [PATCH 0403/2224] [SCSI] scsi_dh_alua: remove REQ_NOMERGE

We do not need to set REQ_NOMERGE because when the module calls
blk_execute_rq -> blk_execute_rq_nowait, blk_execute_rq_nowait sets
it for us. This brings all the modules in sync for those bits.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/device_handler/scsi_dh_alua.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index cb8aa3b58c2..e356b43753f 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -110,7 +110,7 @@ static struct request *get_alua_req(struct scsi_device *sdev,
 
 	rq->cmd_type = REQ_TYPE_BLOCK_PC;
 	rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
-			 REQ_FAILFAST_DRIVER | REQ_NOMERGE;
+			 REQ_FAILFAST_DRIVER;
 	rq->retries = ALUA_FAILOVER_RETRIES;
 	rq->timeout = ALUA_FAILOVER_TIMEOUT;
 
-- 
GitLab


From b522d7d42d7ce843885d4c6740c5bd50876a2971 Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 7 Sep 2008 11:51:56 -0400
Subject: [PATCH 0404/2224] [SCSI] lpfc 8.2.8 v2 : Revert target busy in favor
 of transport disrupted

Revert the target busy response in favor of the transport disrupted
response for node state transitions.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc_scsi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 5dae4d30675..72eef7e4a89 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1071,8 +1071,10 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	 * Catch race where our node has transitioned, but the
 	 * transport is still transitioning.
 	 */
-	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
-		goto out_target_busy;
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
+		cmnd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0);
+		goto out_fail_command;
+	}
 
 	lpfc_cmd = lpfc_get_scsi_buf(phba);
 	if (lpfc_cmd == NULL) {
@@ -1118,8 +1120,6 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	lpfc_release_scsi_buf(phba, lpfc_cmd);
  out_host_busy:
 	return SCSI_MLQUEUE_HOST_BUSY;
- out_target_busy:
-	return SCSI_MLQUEUE_TARGET_BUSY;
 
  out_fail_command:
 	done(cmnd);
-- 
GitLab


From 977b5a0af6d22a1a0170057c19cde37eeac68acd Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 7 Sep 2008 11:52:04 -0400
Subject: [PATCH 0405/2224] [SCSI] lpfc 8.2.8 v2 : Add sysfs control of target
 queue depth handling

Added new sysfs attribute lpfc_max_scsicmpl_time. Attribute, when enabled,
will control target queue depth based on I/O completion time.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc.h         |  6 +++++
 drivers/scsi/lpfc/lpfc_attr.c    | 44 ++++++++++++++++++++++++++++++++
 drivers/scsi/lpfc/lpfc_disc.h    |  3 +++
 drivers/scsi/lpfc/lpfc_hbadisc.c |  2 ++
 drivers/scsi/lpfc/lpfc_scsi.c    | 29 +++++++++++++++++++++
 drivers/scsi/lpfc/lpfc_scsi.h    |  1 +
 6 files changed, 85 insertions(+)

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 18153846611..3a500d68306 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -34,6 +34,11 @@ struct lpfc_sli2_slim;
 #define LPFC_IOCB_LIST_CNT	2250	/* list of IOCBs for fast-path usage. */
 #define LPFC_Q_RAMP_UP_INTERVAL 120     /* lun q_depth ramp up interval */
 #define LPFC_VNAME_LEN		100	/* vport symbolic name length */
+#define LPFC_TGTQ_INTERVAL	40000	/* Min amount of time between tgt
+					   queue depth change in millisecs */
+#define LPFC_TGTQ_RAMPUP_PCENT	5	/* Target queue rampup in percentage */
+#define LPFC_MIN_TGT_QDEPTH	100
+#define LPFC_MAX_TGT_QDEPTH	0xFFFF
 
 /*
  * Following time intervals are used of adjusting SCSI device
@@ -363,6 +368,7 @@ struct lpfc_vport {
 	uint32_t cfg_log_verbose;
 	uint32_t cfg_max_luns;
 	uint32_t cfg_enable_da_id;
+	uint32_t cfg_max_scsicmpl_time;
 
 	uint32_t dev_loss_tmo_changed;
 
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 21397f37010..343b0b36ed2 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -2296,6 +2296,48 @@ LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
 LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
 		   "Use ADISC on rediscovery to authenticate FCP devices");
 
+/*
+# lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
+# depth. Default value is 0. When the value of this parameter is zero the
+# SCSI command completion time is not used for controlling I/O queue depth. When
+# the parameter is set to a non-zero value, the I/O queue depth is controlled
+# to limit the I/O completion time to the parameter value.
+# The value is set in milliseconds.
+*/
+static int lpfc_max_scsicmpl_time;
+module_param(lpfc_max_scsicmpl_time, int, 0);
+MODULE_PARM_DESC(lpfc_max_scsicmpl_time,
+	"Use command completion time to control queue depth");
+lpfc_vport_param_show(max_scsicmpl_time);
+lpfc_vport_param_init(max_scsicmpl_time, 0, 0, 60000);
+static int
+lpfc_max_scsicmpl_time_set(struct lpfc_vport *vport, int val)
+{
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_nodelist *ndlp, *next_ndlp;
+
+	if (val == vport->cfg_max_scsicmpl_time)
+		return 0;
+	if ((val < 0) || (val > 60000))
+		return -EINVAL;
+	vport->cfg_max_scsicmpl_time = val;
+
+	spin_lock_irq(shost->host_lock);
+	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+		if (!NLP_CHK_NODE_ACT(ndlp))
+			continue;
+		if (ndlp->nlp_state == NLP_STE_UNUSED_NODE)
+			continue;
+		ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
+	}
+	spin_unlock_irq(shost->host_lock);
+	return 0;
+}
+lpfc_vport_param_store(max_scsicmpl_time);
+static DEVICE_ATTR(lpfc_max_scsicmpl_time, S_IRUGO | S_IWUSR,
+		   lpfc_max_scsicmpl_time_show,
+		   lpfc_max_scsicmpl_time_store);
+
 /*
 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
 # range is [0,1]. Default value is 0.
@@ -2459,6 +2501,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
 	&dev_attr_lpfc_enable_hba_reset,
 	&dev_attr_lpfc_enable_hba_heartbeat,
 	&dev_attr_lpfc_sg_seg_cnt,
+	&dev_attr_lpfc_max_scsicmpl_time,
 	NULL,
 };
 
@@ -3580,6 +3623,7 @@ lpfc_get_vport_cfgparam(struct lpfc_vport *vport)
 	lpfc_restrict_login_init(vport, lpfc_restrict_login);
 	lpfc_fcp_class_init(vport, lpfc_fcp_class);
 	lpfc_use_adisc_init(vport, lpfc_use_adisc);
+	lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);
 	lpfc_fdmi_on_init(vport, lpfc_fdmi_on);
 	lpfc_discovery_threads_init(vport, lpfc_discovery_threads);
 	lpfc_max_luns_init(vport, lpfc_max_luns);
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index 2db0b74b6fa..ccf8f41f345 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -88,6 +88,9 @@ struct lpfc_nodelist {
 	unsigned long last_ramp_up_time;        /* jiffy of last ramp up */
 	unsigned long last_q_full_time;		/* jiffy of last queue full */
 	struct kref     kref;
+	atomic_t cmd_pending;
+	uint32_t cmd_qdepth;
+	unsigned long last_change_time;
 };
 
 /* Defines for nlp_flag (uint32) */
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 3b00d9b86c7..887a5283605 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -2988,6 +2988,8 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 	INIT_LIST_HEAD(&ndlp->nlp_listp);
 	kref_init(&ndlp->kref);
 	NLP_INT_NODE_ACT(ndlp);
+	atomic_set(&ndlp->cmd_pending, 0);
+	ndlp->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
 
 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_NODE,
 		"node init:       did:x%x",
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 72eef7e4a89..7b17f52660b 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -628,6 +628,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 
 	lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
 	lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
+	atomic_dec(&pnode->cmd_pending);
 
 	if (lpfc_cmd->status) {
 		if (lpfc_cmd->status == IOSTAT_LOCAL_REJECT &&
@@ -688,6 +689,29 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 
 	result = cmd->result;
 	sdev = cmd->device;
+	if (vport->cfg_max_scsicmpl_time &&
+	   time_after(jiffies, lpfc_cmd->start_time +
+		msecs_to_jiffies(vport->cfg_max_scsicmpl_time))) {
+		spin_lock_irqsave(sdev->host->host_lock, flags);
+		if ((pnode->cmd_qdepth > atomic_read(&pnode->cmd_pending) &&
+		    (atomic_read(&pnode->cmd_pending) > LPFC_MIN_TGT_QDEPTH) &&
+		    ((cmd->cmnd[0] == READ_10) || (cmd->cmnd[0] == WRITE_10))))
+			pnode->cmd_qdepth = atomic_read(&pnode->cmd_pending);
+
+		pnode->last_change_time = jiffies;
+		spin_unlock_irqrestore(sdev->host->host_lock, flags);
+	} else if ((pnode->cmd_qdepth < LPFC_MAX_TGT_QDEPTH) &&
+		   time_after(jiffies, pnode->last_change_time +
+			msecs_to_jiffies(LPFC_TGTQ_INTERVAL))) {
+		spin_lock_irqsave(sdev->host->host_lock, flags);
+		pnode->cmd_qdepth += pnode->cmd_qdepth *
+			LPFC_TGTQ_RAMPUP_PCENT / 100;
+		if (pnode->cmd_qdepth > LPFC_MAX_TGT_QDEPTH)
+			pnode->cmd_qdepth = LPFC_MAX_TGT_QDEPTH;
+		pnode->last_change_time = jiffies;
+		spin_unlock_irqrestore(sdev->host->host_lock, flags);
+	}
+
 	lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
 	cmd->scsi_done(cmd);
 
@@ -1075,6 +1099,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 		cmnd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0);
 		goto out_fail_command;
 	}
+	if (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth)
+		goto out_host_busy;
 
 	lpfc_cmd = lpfc_get_scsi_buf(phba);
 	if (lpfc_cmd == NULL) {
@@ -1093,6 +1119,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	lpfc_cmd->pCmd  = cmnd;
 	lpfc_cmd->rdata = rdata;
 	lpfc_cmd->timeout = 0;
+	lpfc_cmd->start_time = jiffies;
 	cmnd->host_scribble = (unsigned char *)lpfc_cmd;
 	cmnd->scsi_done = done;
 
@@ -1102,6 +1129,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 
 	lpfc_scsi_prep_cmnd(vport, lpfc_cmd, ndlp);
 
+	atomic_inc(&ndlp->cmd_pending);
 	err = lpfc_sli_issue_iocb(phba, &phba->sli.ring[psli->fcp_ring],
 				  &lpfc_cmd->cur_iocbq, SLI_IOCB_RET_IOCB);
 	if (err)
@@ -1116,6 +1144,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 	return 0;
 
  out_host_busy_free_buf:
+	atomic_dec(&ndlp->cmd_pending);
 	lpfc_scsi_unprep_dma_buf(phba, lpfc_cmd);
 	lpfc_release_scsi_buf(phba, lpfc_cmd);
  out_host_busy:
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
index daba9237498..6737cabe9a7 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.h
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -139,6 +139,7 @@ struct lpfc_scsi_buf {
 	 */
 	struct lpfc_iocbq cur_iocbq;
 	wait_queue_head_t *waitq;
+	unsigned long start_time;
 };
 
 #define LPFC_SCSI_DMA_EXT_SIZE 264
-- 
GitLab


From ea2151b4e142fa2de0319d9dd80413a997bf435a Mon Sep 17 00:00:00 2001
From: James Smart <James.Smart@Emulex.Com>
Date: Sun, 7 Sep 2008 11:52:10 -0400
Subject: [PATCH 0406/2224] [SCSI] lpfc 8.2.8 v2 : Add statistical reporting
 control and additional fc vendor events

Added support for new sysfs attributes: lpfc_stat_data_ctrl and
lpfc_max_scsicmpl_time. The attributes control statistical reporting
of io load.

Added support for new fc vendor events for error reporting.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/lpfc/lpfc.h           |  27 ++-
 drivers/scsi/lpfc/lpfc_attr.c      | 343 ++++++++++++++++++++++++++++-
 drivers/scsi/lpfc/lpfc_crtn.h      |   6 +
 drivers/scsi/lpfc/lpfc_ct.c        |   1 +
 drivers/scsi/lpfc/lpfc_debugfs.c   |   1 +
 drivers/scsi/lpfc/lpfc_disc.h      |  20 ++
 drivers/scsi/lpfc/lpfc_els.c       | 114 ++++++++++
 drivers/scsi/lpfc/lpfc_hbadisc.c   | 143 +++++++++++-
 drivers/scsi/lpfc/lpfc_init.c      |  22 ++
 drivers/scsi/lpfc/lpfc_mbox.c      |   1 +
 drivers/scsi/lpfc/lpfc_mem.c       |   1 +
 drivers/scsi/lpfc/lpfc_nl.h        | 163 ++++++++++++++
 drivers/scsi/lpfc/lpfc_nportdisc.c |   1 +
 drivers/scsi/lpfc/lpfc_scsi.c      | 279 ++++++++++++++++++++++-
 drivers/scsi/lpfc/lpfc_scsi.h      |   4 +
 drivers/scsi/lpfc/lpfc_sli.c       |  12 +
 drivers/scsi/lpfc/lpfc_vport.c     |  80 +++++++
 drivers/scsi/lpfc/lpfc_vport.h     |   4 +
 18 files changed, 1207 insertions(+), 15 deletions(-)
 create mode 100644 drivers/scsi/lpfc/lpfc_nl.h

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3a500d68306..60a9e6e9384 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -40,6 +40,8 @@ struct lpfc_sli2_slim;
 #define LPFC_MIN_TGT_QDEPTH	100
 #define LPFC_MAX_TGT_QDEPTH	0xFFFF
 
+#define  LPFC_MAX_BUCKET_COUNT 20	/* Maximum no. of buckets for stat data
+					   collection. */
 /*
  * Following time intervals are used of adjusting SCSI device
  * queue depths when there are driver resource error or Firmware
@@ -381,6 +383,8 @@ struct lpfc_vport {
 	struct lpfc_debugfs_trc *disc_trc;
 	atomic_t disc_trc_cnt;
 #endif
+	uint8_t stat_data_enabled;
+	uint8_t stat_data_blocked;
 };
 
 struct hbq_s {
@@ -641,6 +645,17 @@ struct lpfc_hba {
 	uint32_t buffer_tag_count;
 	int wait_4_mlo_maint_flg;
 	wait_queue_head_t wait_4_mlo_m_q;
+	/* data structure used for latency data collection */
+#define LPFC_NO_BUCKET	   0
+#define LPFC_LINEAR_BUCKET 1
+#define LPFC_POWER2_BUCKET 2
+	uint8_t  bucket_type;
+	uint32_t bucket_base;
+	uint32_t bucket_step;
+
+/* Maximum number of events that can be outstanding at any time*/
+#define LPFC_MAX_EVT_COUNT 512
+	atomic_t fast_event_count;
 };
 
 static inline struct Scsi_Host *
@@ -699,15 +714,3 @@ lpfc_sli_read_hs(struct lpfc_hba *phba)
 	return;
 }
 
-#define FC_REG_DUMP_EVENT		0x10	/* Register for Dump events */
-#define FC_REG_TEMPERATURE_EVENT	0x20    /* Register for temperature
-						   event */
-
-struct temp_event {
-	uint32_t event_type;
-	uint32_t event_code;
-	uint32_t data;
-};
-#define LPFC_CRIT_TEMP		0x1
-#define LPFC_THRESHOLD_TEMP	0x2
-#define LPFC_NORMAL_TEMP	0x3
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 343b0b36ed2..aa3d6277581 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -32,6 +32,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
@@ -2183,6 +2184,335 @@ lpfc_param_store(topology)
 static DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR,
 		lpfc_topology_show, lpfc_topology_store);
 
+
+/**
+ * lpfc_stat_data_ctrl_store: write call back for lpfc_stat_data_ctrl
+ *  sysfs file.
+ * @dev: Pointer to class device.
+ * @buf: Data buffer.
+ * @count: Size of the data buffer.
+ *
+ * This function get called when an user write to the lpfc_stat_data_ctrl
+ * sysfs file. This function parse the command written to the sysfs file
+ * and take appropriate action. These commands are used for controlling
+ * driver statistical data collection.
+ * Following are the command this function handles.
+ *
+ *    setbucket <bucket_type> <base> <step>
+ *			       = Set the latency buckets.
+ *    destroybucket            = destroy all the buckets.
+ *    start                    = start data collection
+ *    stop                     = stop data collection
+ *    reset                    = reset the collected data
+ **/
+static ssize_t
+lpfc_stat_data_ctrl_store(struct device *dev, struct device_attribute *attr,
+			  const char *buf, size_t count)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+#define LPFC_MAX_DATA_CTRL_LEN 1024
+	static char bucket_data[LPFC_MAX_DATA_CTRL_LEN];
+	unsigned long i;
+	char *str_ptr, *token;
+	struct lpfc_vport **vports;
+	struct Scsi_Host *v_shost;
+	char *bucket_type_str, *base_str, *step_str;
+	unsigned long base, step, bucket_type;
+
+	if (!strncmp(buf, "setbucket", strlen("setbucket"))) {
+		if (strlen(buf) > LPFC_MAX_DATA_CTRL_LEN)
+			return -EINVAL;
+
+		strcpy(bucket_data, buf);
+		str_ptr = &bucket_data[0];
+		/* Ignore this token - this is command token */
+		token = strsep(&str_ptr, "\t ");
+		if (!token)
+			return -EINVAL;
+
+		bucket_type_str = strsep(&str_ptr, "\t ");
+		if (!bucket_type_str)
+			return -EINVAL;
+
+		if (!strncmp(bucket_type_str, "linear", strlen("linear")))
+			bucket_type = LPFC_LINEAR_BUCKET;
+		else if (!strncmp(bucket_type_str, "power2", strlen("power2")))
+			bucket_type = LPFC_POWER2_BUCKET;
+		else
+			return -EINVAL;
+
+		base_str = strsep(&str_ptr, "\t ");
+		if (!base_str)
+			return -EINVAL;
+		base = simple_strtoul(base_str, NULL, 0);
+
+		step_str = strsep(&str_ptr, "\t ");
+		if (!step_str)
+			return -EINVAL;
+		step = simple_strtoul(step_str, NULL, 0);
+		if (!step)
+			return -EINVAL;
+
+		/* Block the data collection for every vport */
+		vports = lpfc_create_vport_work_array(phba);
+		if (vports == NULL)
+			return -ENOMEM;
+
+		for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+			v_shost = lpfc_shost_from_vport(vports[i]);
+			spin_lock_irq(v_shost->host_lock);
+			/* Block and reset data collection */
+			vports[i]->stat_data_blocked = 1;
+			if (vports[i]->stat_data_enabled)
+				lpfc_vport_reset_stat_data(vports[i]);
+			spin_unlock_irq(v_shost->host_lock);
+		}
+
+		/* Set the bucket attributes */
+		phba->bucket_type = bucket_type;
+		phba->bucket_base = base;
+		phba->bucket_step = step;
+
+		for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+			v_shost = lpfc_shost_from_vport(vports[i]);
+
+			/* Unblock data collection */
+			spin_lock_irq(v_shost->host_lock);
+			vports[i]->stat_data_blocked = 0;
+			spin_unlock_irq(v_shost->host_lock);
+		}
+		lpfc_destroy_vport_work_array(phba, vports);
+		return strlen(buf);
+	}
+
+	if (!strncmp(buf, "destroybucket", strlen("destroybucket"))) {
+		vports = lpfc_create_vport_work_array(phba);
+		if (vports == NULL)
+			return -ENOMEM;
+
+		for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
+			v_shost = lpfc_shost_from_vport(vports[i]);
+			spin_lock_irq(shost->host_lock);
+			vports[i]->stat_data_blocked = 1;
+			lpfc_free_bucket(vport);
+			vport->stat_data_enabled = 0;
+			vports[i]->stat_data_blocked = 0;
+			spin_unlock_irq(shost->host_lock);
+		}
+		lpfc_destroy_vport_work_array(phba, vports);
+		phba->bucket_type = LPFC_NO_BUCKET;
+		phba->bucket_base = 0;
+		phba->bucket_step = 0;
+		return strlen(buf);
+	}
+
+	if (!strncmp(buf, "start", strlen("start"))) {
+		/* If no buckets configured return error */
+		if (phba->bucket_type == LPFC_NO_BUCKET)
+			return -EINVAL;
+		spin_lock_irq(shost->host_lock);
+		if (vport->stat_data_enabled) {
+			spin_unlock_irq(shost->host_lock);
+			return strlen(buf);
+		}
+		lpfc_alloc_bucket(vport);
+		vport->stat_data_enabled = 1;
+		spin_unlock_irq(shost->host_lock);
+		return strlen(buf);
+	}
+
+	if (!strncmp(buf, "stop", strlen("stop"))) {
+		spin_lock_irq(shost->host_lock);
+		if (vport->stat_data_enabled == 0) {
+			spin_unlock_irq(shost->host_lock);
+			return strlen(buf);
+		}
+		lpfc_free_bucket(vport);
+		vport->stat_data_enabled = 0;
+		spin_unlock_irq(shost->host_lock);
+		return strlen(buf);
+	}
+
+	if (!strncmp(buf, "reset", strlen("reset"))) {
+		if ((phba->bucket_type == LPFC_NO_BUCKET)
+			|| !vport->stat_data_enabled)
+			return strlen(buf);
+		spin_lock_irq(shost->host_lock);
+		vport->stat_data_blocked = 1;
+		lpfc_vport_reset_stat_data(vport);
+		vport->stat_data_blocked = 0;
+		spin_unlock_irq(shost->host_lock);
+		return strlen(buf);
+	}
+	return -EINVAL;
+}
+
+
+/**
+ * lpfc_stat_data_ctrl_show: Read callback function for
+ *   lpfc_stat_data_ctrl sysfs file.
+ * @dev: Pointer to class device object.
+ * @buf: Data buffer.
+ *
+ * This function is the read call back function for
+ * lpfc_stat_data_ctrl sysfs file. This function report the
+ * current statistical data collection state.
+ **/
+static ssize_t
+lpfc_stat_data_ctrl_show(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int index = 0;
+	int i;
+	char *bucket_type;
+	unsigned long bucket_value;
+
+	switch (phba->bucket_type) {
+	case LPFC_LINEAR_BUCKET:
+		bucket_type = "linear";
+		break;
+	case LPFC_POWER2_BUCKET:
+		bucket_type = "power2";
+		break;
+	default:
+		bucket_type = "No Bucket";
+		break;
+	}
+
+	sprintf(&buf[index], "Statistical Data enabled :%d, "
+		"blocked :%d, Bucket type :%s, Bucket base :%d,"
+		" Bucket step :%d\nLatency Ranges :",
+		vport->stat_data_enabled, vport->stat_data_blocked,
+		bucket_type, phba->bucket_base, phba->bucket_step);
+	index = strlen(buf);
+	if (phba->bucket_type != LPFC_NO_BUCKET) {
+		for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
+			if (phba->bucket_type == LPFC_LINEAR_BUCKET)
+				bucket_value = phba->bucket_base +
+					phba->bucket_step * i;
+			else
+				bucket_value = phba->bucket_base +
+				(1 << i) * phba->bucket_step;
+
+			if (index + 10 > PAGE_SIZE)
+				break;
+			sprintf(&buf[index], "%08ld ", bucket_value);
+			index = strlen(buf);
+		}
+	}
+	sprintf(&buf[index], "\n");
+	return strlen(buf);
+}
+
+/*
+ * Sysfs attribute to control the statistical data collection.
+ */
+static DEVICE_ATTR(lpfc_stat_data_ctrl, S_IRUGO | S_IWUSR,
+		   lpfc_stat_data_ctrl_show, lpfc_stat_data_ctrl_store);
+
+/*
+ * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
+ */
+
+/*
+ * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
+ * for each target.
+ */
+#define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
+#define MAX_STAT_DATA_SIZE_PER_TARGET \
+	STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
+
+
+/**
+ * sysfs_drvr_stat_data_read: Read callback function for lpfc_drvr_stat_data
+ *  sysfs attribute.
+ * @kobj: Pointer to the kernel object
+ * @bin_attr: Attribute object
+ * @buff: Buffer pointer
+ * @off: File offset
+ * @count: Buffer size
+ *
+ * This function is the read call back function for lpfc_drvr_stat_data
+ * sysfs file. This function export the statistical data to user
+ * applications.
+ **/
+static ssize_t
+sysfs_drvr_stat_data_read(struct kobject *kobj, struct bin_attribute *bin_attr,
+		char *buf, loff_t off, size_t count)
+{
+	struct device *dev = container_of(kobj, struct device,
+		kobj);
+	struct Scsi_Host  *shost = class_to_shost(dev);
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	struct lpfc_hba   *phba = vport->phba;
+	int i = 0, index = 0;
+	unsigned long nport_index;
+	struct lpfc_nodelist *ndlp = NULL;
+	nport_index = (unsigned long)off /
+		MAX_STAT_DATA_SIZE_PER_TARGET;
+
+	if (!vport->stat_data_enabled || vport->stat_data_blocked
+		|| (phba->bucket_type == LPFC_NO_BUCKET))
+		return 0;
+
+	spin_lock_irq(shost->host_lock);
+	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+		if (!NLP_CHK_NODE_ACT(ndlp) || !ndlp->lat_data)
+			continue;
+
+		if (nport_index > 0) {
+			nport_index--;
+			continue;
+		}
+
+		if ((index + MAX_STAT_DATA_SIZE_PER_TARGET)
+			> count)
+			break;
+
+		if (!ndlp->lat_data)
+			continue;
+
+		/* Print the WWN */
+		sprintf(&buf[index], "%02x%02x%02x%02x%02x%02x%02x%02x:",
+			ndlp->nlp_portname.u.wwn[0],
+			ndlp->nlp_portname.u.wwn[1],
+			ndlp->nlp_portname.u.wwn[2],
+			ndlp->nlp_portname.u.wwn[3],
+			ndlp->nlp_portname.u.wwn[4],
+			ndlp->nlp_portname.u.wwn[5],
+			ndlp->nlp_portname.u.wwn[6],
+			ndlp->nlp_portname.u.wwn[7]);
+
+		index = strlen(buf);
+
+		for (i = 0; i < LPFC_MAX_BUCKET_COUNT; i++) {
+			sprintf(&buf[index], "%010u,",
+				ndlp->lat_data[i].cmd_count);
+			index = strlen(buf);
+		}
+		sprintf(&buf[index], "\n");
+		index = strlen(buf);
+	}
+	spin_unlock_irq(shost->host_lock);
+	return index;
+}
+
+static struct bin_attribute sysfs_drvr_stat_data_attr = {
+	.attr = {
+		.name = "lpfc_drvr_stat_data",
+		.mode = S_IRUSR,
+		.owner = THIS_MODULE,
+	},
+	.size = LPFC_MAX_TARGET * MAX_STAT_DATA_SIZE_PER_TARGET,
+	.read = sysfs_drvr_stat_data_read,
+	.write = NULL,
+};
+
 /*
 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
 # connection.
@@ -2502,6 +2832,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
 	&dev_attr_lpfc_enable_hba_heartbeat,
 	&dev_attr_lpfc_sg_seg_cnt,
 	&dev_attr_lpfc_max_scsicmpl_time,
+	&dev_attr_lpfc_stat_data_ctrl,
 	NULL,
 };
 
@@ -2524,6 +2855,8 @@ struct device_attribute *lpfc_vport_attrs[] = {
 	&dev_attr_nport_evt_cnt,
 	&dev_attr_npiv_info,
 	&dev_attr_lpfc_enable_da_id,
+	&dev_attr_lpfc_max_scsicmpl_time,
+	&dev_attr_lpfc_stat_data_ctrl,
 	NULL,
 };
 
@@ -2958,7 +3291,14 @@ lpfc_alloc_sysfs_attr(struct lpfc_vport *vport)
 	if (error)
 		goto out_remove_ctlreg_attr;
 
+	error = sysfs_create_bin_file(&shost->shost_dev.kobj,
+				      &sysfs_drvr_stat_data_attr);
+	if (error)
+		goto out_remove_mbox_attr;
+
 	return 0;
+out_remove_mbox_attr:
+	sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
 out_remove_ctlreg_attr:
 	sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
 out:
@@ -2973,7 +3313,8 @@ void
 lpfc_free_sysfs_attr(struct lpfc_vport *vport)
 {
 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
-
+	sysfs_remove_bin_file(&shost->shost_dev.kobj,
+		&sysfs_drvr_stat_data_attr);
 	sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_mbox_attr);
 	sysfs_remove_bin_file(&shost->shost_dev.kobj, &sysfs_ctlreg_attr);
 }
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 7d173f4a37f..044ef4057d2 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -294,6 +294,12 @@ void lpfc_ramp_down_queue_handler(struct lpfc_hba *);
 void lpfc_ramp_up_queue_handler(struct lpfc_hba *);
 void lpfc_scsi_dev_block(struct lpfc_hba *);
 
+void
+lpfc_send_els_failure_event(struct lpfc_hba *, struct lpfc_iocbq *,
+				struct lpfc_iocbq *);
+struct lpfc_fast_path_event *lpfc_alloc_fast_evt(struct lpfc_hba *);
+void lpfc_free_fast_evt(struct lpfc_hba *, struct lpfc_fast_path_event *);
+
 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 #define HBA_EVENT_RSCN                   5
 #define HBA_EVENT_LINK_UP                2
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 71cfee884b8..26dae8bae2d 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -34,6 +34,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index f85b99a7c43..771920bdde4 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -35,6 +35,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
index ccf8f41f345..f29e548a90d 100644
--- a/drivers/scsi/lpfc/lpfc_disc.h
+++ b/drivers/scsi/lpfc/lpfc_disc.h
@@ -37,6 +37,7 @@ enum lpfc_work_type {
 	LPFC_EVT_KILL,
 	LPFC_EVT_ELS_RETRY,
 	LPFC_EVT_DEV_LOSS,
+	LPFC_EVT_FASTPATH_MGMT_EVT,
 };
 
 /* structure used to queue event to the discovery tasklet */
@@ -47,6 +48,24 @@ struct lpfc_work_evt {
 	enum lpfc_work_type   evt;
 };
 
+struct lpfc_scsi_check_condition_event;
+struct lpfc_scsi_varqueuedepth_event;
+struct lpfc_scsi_event_header;
+struct lpfc_fabric_event_header;
+struct lpfc_fcprdchkerr_event;
+
+/* structure used for sending events from fast path */
+struct lpfc_fast_path_event {
+	struct lpfc_work_evt work_evt;
+	struct lpfc_vport     *vport;
+	union {
+		struct lpfc_scsi_check_condition_event check_cond_evt;
+		struct lpfc_scsi_varqueuedepth_event queue_depth_evt;
+		struct lpfc_scsi_event_header scsi_evt;
+		struct lpfc_fabric_event_header fabric_evt;
+		struct lpfc_fcprdchkerr_event read_check_error;
+	} un;
+};
 
 struct lpfc_nodelist {
 	struct list_head nlp_listp;
@@ -91,6 +110,7 @@ struct lpfc_nodelist {
 	atomic_t cmd_pending;
 	uint32_t cmd_qdepth;
 	unsigned long last_change_time;
+	struct lpfc_scsicmd_bkt *lat_data;	/* Latency data */
 };
 
 /* Defines for nlp_flag (uint32) */
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index d0730e79c1a..630bd28fb99 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -30,6 +30,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
@@ -5084,6 +5085,116 @@ lpfc_els_flush_all_cmd(struct lpfc_hba  *phba)
 	return;
 }
 
+/**
+ * lpfc_send_els_failure_event: Posts an ELS command failure event.
+ * @phba: Pointer to hba context object.
+ * @cmdiocbp: Pointer to command iocb which reported error.
+ * @rspiocbp: Pointer to response iocb which reported error.
+ *
+ * This function sends an event when there is an ELS command
+ * failure.
+ **/
+void
+lpfc_send_els_failure_event(struct lpfc_hba *phba,
+			struct lpfc_iocbq *cmdiocbp,
+			struct lpfc_iocbq *rspiocbp)
+{
+	struct lpfc_vport *vport = cmdiocbp->vport;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+	struct lpfc_lsrjt_event lsrjt_event;
+	struct lpfc_fabric_event_header fabric_event;
+	struct ls_rjt stat;
+	struct lpfc_nodelist *ndlp;
+	uint32_t *pcmd;
+
+	ndlp = cmdiocbp->context1;
+	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
+		return;
+
+	if (rspiocbp->iocb.ulpStatus == IOSTAT_LS_RJT) {
+		lsrjt_event.header.event_type = FC_REG_ELS_EVENT;
+		lsrjt_event.header.subcategory = LPFC_EVENT_LSRJT_RCV;
+		memcpy(lsrjt_event.header.wwpn, &ndlp->nlp_portname,
+			sizeof(struct lpfc_name));
+		memcpy(lsrjt_event.header.wwnn, &ndlp->nlp_nodename,
+			sizeof(struct lpfc_name));
+		pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
+			cmdiocbp->context2)->virt);
+		lsrjt_event.command = *pcmd;
+		stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]);
+		lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode;
+		lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp;
+		fc_host_post_vendor_event(shost,
+			fc_get_event_number(),
+			sizeof(lsrjt_event),
+			(char *)&lsrjt_event,
+			SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+		return;
+	}
+	if ((rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) ||
+		(rspiocbp->iocb.ulpStatus == IOSTAT_FABRIC_BSY)) {
+		fabric_event.event_type = FC_REG_FABRIC_EVENT;
+		if (rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY)
+			fabric_event.subcategory = LPFC_EVENT_PORT_BUSY;
+		else
+			fabric_event.subcategory = LPFC_EVENT_FABRIC_BUSY;
+		memcpy(fabric_event.wwpn, &ndlp->nlp_portname,
+			sizeof(struct lpfc_name));
+		memcpy(fabric_event.wwnn, &ndlp->nlp_nodename,
+			sizeof(struct lpfc_name));
+		fc_host_post_vendor_event(shost,
+			fc_get_event_number(),
+			sizeof(fabric_event),
+			(char *)&fabric_event,
+			SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+		return;
+	}
+
+}
+
+/**
+ * lpfc_send_els_event: Posts unsolicited els event.
+ * @vport: Pointer to vport object.
+ * @ndlp: Pointer FC node object.
+ * @cmd: ELS command code.
+ *
+ * This function posts an event when there is an incoming
+ * unsolicited ELS command.
+ **/
+static void
+lpfc_send_els_event(struct lpfc_vport *vport,
+		    struct lpfc_nodelist *ndlp,
+		    uint32_t cmd)
+{
+	struct lpfc_els_event_header els_data;
+	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+
+	els_data.event_type = FC_REG_ELS_EVENT;
+	switch (cmd) {
+	case ELS_CMD_PLOGI:
+		els_data.subcategory = LPFC_EVENT_PLOGI_RCV;
+		break;
+	case ELS_CMD_PRLO:
+		els_data.subcategory = LPFC_EVENT_PRLO_RCV;
+		break;
+	case ELS_CMD_ADISC:
+		els_data.subcategory = LPFC_EVENT_ADISC_RCV;
+		break;
+	default:
+		return;
+	}
+	memcpy(els_data.wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name));
+	memcpy(els_data.wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name));
+	fc_host_post_vendor_event(shost,
+		fc_get_event_number(),
+		sizeof(els_data),
+		(char *)&els_data,
+		SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+
+	return;
+}
+
+
 /**
  * lpfc_els_unsol_buffer: Process an unsolicited event data buffer.
  * @phba: pointer to lpfc hba data structure.
@@ -5185,6 +5296,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 		phba->fc_stat.elsRcvPLOGI++;
 		ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
 
+		lpfc_send_els_event(vport, ndlp, cmd);
 		if (vport->port_state < LPFC_DISC_AUTH) {
 			if (!(phba->pport->fc_flag & FC_PT2PT) ||
 				(phba->pport->fc_flag & FC_PT2PT_PLOGI)) {
@@ -5234,6 +5346,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			did, vport->port_state, ndlp->nlp_flag);
 
 		phba->fc_stat.elsRcvPRLO++;
+		lpfc_send_els_event(vport, ndlp, cmd);
 		if (vport->port_state < LPFC_DISC_AUTH) {
 			rjt_err = LSRJT_UNABLE_TPC;
 			break;
@@ -5251,6 +5364,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			"RCV ADISC:       did:x%x/ste:x%x flg:x%x",
 			did, vport->port_state, ndlp->nlp_flag);
 
+		lpfc_send_els_event(vport, ndlp, cmd);
 		phba->fc_stat.elsRcvADISC++;
 		if (vport->port_state < LPFC_DISC_AUTH) {
 			rjt_err = LSRJT_UNABLE_TPC;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 887a5283605..a1a70d9ffc2 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -30,6 +30,7 @@
 #include <scsi/scsi_transport_fc.h>
 
 #include "lpfc_hw.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_sli.h"
 #include "lpfc_scsi.h"
@@ -274,6 +275,124 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp)
 		lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM);
 }
 
+/**
+ * lpfc_alloc_fast_evt: Allocates data structure for posting event.
+ * @phba: Pointer to hba context object.
+ *
+ * This function is called from the functions which need to post
+ * events from interrupt context. This function allocates data
+ * structure required for posting event. It also keeps track of
+ * number of events pending and prevent event storm when there are
+ * too many events.
+ **/
+struct lpfc_fast_path_event *
+lpfc_alloc_fast_evt(struct lpfc_hba *phba) {
+	struct lpfc_fast_path_event *ret;
+
+	/* If there are lot of fast event do not exhaust memory due to this */
+	if (atomic_read(&phba->fast_event_count) > LPFC_MAX_EVT_COUNT)
+		return NULL;
+
+	ret = kzalloc(sizeof(struct lpfc_fast_path_event),
+			GFP_ATOMIC);
+	if (ret)
+		atomic_inc(&phba->fast_event_count);
+	INIT_LIST_HEAD(&ret->work_evt.evt_listp);
+	ret->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
+	return ret;
+}
+
+/**
+ * lpfc_free_fast_evt: Frees event data structure.
+ * @phba: Pointer to hba context object.
+ * @evt:  Event object which need to be freed.
+ *
+ * This function frees the data structure required for posting
+ * events.
+ **/
+void
+lpfc_free_fast_evt(struct lpfc_hba *phba,
+		struct lpfc_fast_path_event *evt) {
+
+	atomic_dec(&phba->fast_event_count);
+	kfree(evt);
+}
+
+/**
+ * lpfc_send_fastpath_evt: Posts events generated from fast path.
+ * @phba: Pointer to hba context object.
+ * @evtp: Event data structure.
+ *
+ * This function is called from worker thread, when the interrupt
+ * context need to post an event. This function posts the event
+ * to fc transport netlink interface.
+ **/
+static void
+lpfc_send_fastpath_evt(struct lpfc_hba *phba,
+		struct lpfc_work_evt *evtp)
+{
+	unsigned long evt_category, evt_sub_category;
+	struct lpfc_fast_path_event *fast_evt_data;
+	char *evt_data;
+	uint32_t evt_data_size;
+	struct Scsi_Host *shost;
+
+	fast_evt_data = container_of(evtp, struct lpfc_fast_path_event,
+		work_evt);
+
+	evt_category = (unsigned long) fast_evt_data->un.fabric_evt.event_type;
+	evt_sub_category = (unsigned long) fast_evt_data->un.
+			fabric_evt.subcategory;
+	shost = lpfc_shost_from_vport(fast_evt_data->vport);
+	if (evt_category == FC_REG_FABRIC_EVENT) {
+		if (evt_sub_category == LPFC_EVENT_FCPRDCHKERR) {
+			evt_data = (char *) &fast_evt_data->un.read_check_error;
+			evt_data_size = sizeof(fast_evt_data->un.
+				read_check_error);
+		} else if ((evt_sub_category == LPFC_EVENT_FABRIC_BUSY) ||
+			(evt_sub_category == IOSTAT_NPORT_BSY)) {
+			evt_data = (char *) &fast_evt_data->un.fabric_evt;
+			evt_data_size = sizeof(fast_evt_data->un.fabric_evt);
+		} else {
+			lpfc_free_fast_evt(phba, fast_evt_data);
+			return;
+		}
+	} else if (evt_category == FC_REG_SCSI_EVENT) {
+		switch (evt_sub_category) {
+		case LPFC_EVENT_QFULL:
+		case LPFC_EVENT_DEVBSY:
+			evt_data = (char *) &fast_evt_data->un.scsi_evt;
+			evt_data_size = sizeof(fast_evt_data->un.scsi_evt);
+			break;
+		case LPFC_EVENT_CHECK_COND:
+			evt_data = (char *) &fast_evt_data->un.check_cond_evt;
+			evt_data_size =  sizeof(fast_evt_data->un.
+				check_cond_evt);
+			break;
+		case LPFC_EVENT_VARQUEDEPTH:
+			evt_data = (char *) &fast_evt_data->un.queue_depth_evt;
+			evt_data_size = sizeof(fast_evt_data->un.
+				queue_depth_evt);
+			break;
+		default:
+			lpfc_free_fast_evt(phba, fast_evt_data);
+			return;
+		}
+	} else {
+		lpfc_free_fast_evt(phba, fast_evt_data);
+		return;
+	}
+
+	fc_host_post_vendor_event(shost,
+		fc_get_event_number(),
+		evt_data_size,
+		evt_data,
+		SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+
+	lpfc_free_fast_evt(phba, fast_evt_data);
+	return;
+}
+
 static void
 lpfc_work_list_done(struct lpfc_hba *phba)
 {
@@ -345,6 +464,10 @@ lpfc_work_list_done(struct lpfc_hba *phba)
 			lpfc_unblock_mgmt_io(phba);
 			complete((struct completion *)(evtp->evt_arg2));
 			break;
+		case LPFC_EVT_FASTPATH_MGMT_EVT:
+			lpfc_send_fastpath_evt(phba, evtp);
+			free_evt = 0;
+			break;
 		}
 		if (free_evt)
 			kfree(evtp);
@@ -1601,6 +1724,22 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		 */
 		lpfc_register_remote_port(vport, ndlp);
 	}
+	if ((new_state ==  NLP_STE_MAPPED_NODE) &&
+		(vport->stat_data_enabled)) {
+		/*
+		 * A new target is discovered, if there is no buffer for
+		 * statistical data collection allocate buffer.
+		 */
+		ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT,
+					 sizeof(struct lpfc_scsicmd_bkt),
+					 GFP_KERNEL);
+
+		if (!ndlp->lat_data)
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+				"0286 lpfc_nlp_state_cleanup failed to "
+				"allocate statistical data buffer DID "
+				"0x%x\n", ndlp->nlp_DID);
+	}
 	/*
 	 * if we added to Mapped list, but the remote port
 	 * registration failed or assigned a target id outside
@@ -3029,8 +3168,10 @@ lpfc_nlp_release(struct kref *kref)
 	spin_unlock_irqrestore(&phba->ndlp_lock, flags);
 
 	/* free ndlp memory for final ndlp release */
-	if (NLP_CHK_FREE_REQ(ndlp))
+	if (NLP_CHK_FREE_REQ(ndlp)) {
+		kfree(ndlp->lat_data);
 		mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool);
+	}
 }
 
 /* This routine bumps the reference count for a ndlp structure to ensure
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 49577d5f130..909be3301bb 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -36,6 +36,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
@@ -815,6 +816,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 	unsigned long temperature;
 	struct temp_event temp_event_data;
 	struct Scsi_Host  *shost;
+	struct lpfc_board_event_header board_event;
 
 	/* If the pci channel is offline, ignore possible errors,
 	 * since we cannot communicate with the pci card anyway. */
@@ -824,6 +826,16 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
 	if (!phba->cfg_enable_hba_reset)
 		return;
 
+	/* Send an internal error event to mgmt application */
+	board_event.event_type = FC_REG_BOARD_EVENT;
+	board_event.subcategory = LPFC_EVENT_PORTINTERR;
+	shost = lpfc_shost_from_vport(phba->pport);
+	fc_host_post_vendor_event(shost, fc_get_event_number(),
+				  sizeof(board_event),
+				  (char *) &board_event,
+				  SCSI_NL_VID_TYPE_PCI
+				  | PCI_VENDOR_ID_EMULEX);
+
 	if (phba->work_hs & HS_FFER6) {
 		/* Re-establishing Link */
 		lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
@@ -2345,6 +2357,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	int  i, hbq_count;
 	uint16_t iotag;
 	int bars = pci_select_bars(pdev, IORESOURCE_MEM);
+	struct lpfc_adapter_event_header adapter_event;
 
 	if (pci_enable_device_mem(pdev))
 		goto out;
@@ -2355,6 +2368,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 	if (!phba)
 		goto out_release_regions;
 
+	atomic_set(&phba->fast_event_count, 0);
 	spin_lock_init(&phba->hbalock);
 
 	/* Initialize ndlp management spinlock */
@@ -2626,6 +2640,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
 
 	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
 			"0428 Perform SCSI scan\n");
+	/* Send board arrival event to upper layer */
+	adapter_event.event_type = FC_REG_ADAPTER_EVENT;
+	adapter_event.subcategory = LPFC_EVENT_ARRIVAL;
+	fc_host_post_vendor_event(shost, fc_get_event_number(),
+		sizeof(adapter_event),
+		(char *) &adapter_event,
+		SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+
 	scsi_scan_host(shost);
 
 	return 0;
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 65bc8e1a5f7..7465fe746fe 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -30,6 +30,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 50d9136a6e0..a4bba206924 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -30,6 +30,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_nl.h b/drivers/scsi/lpfc/lpfc_nl.h
new file mode 100644
index 00000000000..1accb5a9f4e
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_nl.h
@@ -0,0 +1,163 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Fibre Channel Host Bus Adapters.                                *
+ * Copyright (C) 2008 Emulex.  All rights reserved.                *
+ * EMULEX and SLI are trademarks of Emulex.                        *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of version 2 of the GNU General       *
+ * Public License as published by the Free Software Foundation.    *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
+ * more details, a copy of which can be found in the file COPYING  *
+ * included with this package.                                     *
+ *******************************************************************/
+
+/* Event definitions for RegisterForEvent */
+#define FC_REG_LINK_EVENT		0x0001	/* link up / down events */
+#define FC_REG_RSCN_EVENT		0x0002	/* RSCN events */
+#define FC_REG_CT_EVENT			0x0004	/* CT request events */
+#define FC_REG_DUMP_EVENT		0x0008	/* Dump events */
+#define FC_REG_TEMPERATURE_EVENT	0x0010	/* temperature events */
+#define FC_REG_ELS_EVENT		0x0020	/* lpfc els events */
+#define FC_REG_FABRIC_EVENT		0x0040	/* lpfc fabric events */
+#define FC_REG_SCSI_EVENT		0x0080	/* lpfc scsi events */
+#define FC_REG_BOARD_EVENT		0x0100	/* lpfc board events */
+#define FC_REG_ADAPTER_EVENT		0x0200	/* lpfc adapter events */
+#define FC_REG_EVENT_MASK		(FC_REG_LINK_EVENT | \
+						FC_REG_RSCN_EVENT | \
+						FC_REG_CT_EVENT | \
+						FC_REG_DUMP_EVENT | \
+						FC_REG_TEMPERATURE_EVENT | \
+						FC_REG_ELS_EVENT | \
+						FC_REG_FABRIC_EVENT | \
+						FC_REG_SCSI_EVENT | \
+						FC_REG_BOARD_EVENT | \
+						FC_REG_ADAPTER_EVENT)
+/* Temperature events */
+#define LPFC_CRIT_TEMP		0x1
+#define LPFC_THRESHOLD_TEMP	0x2
+#define LPFC_NORMAL_TEMP	0x3
+/*
+ * All net link event payloads will begin with and event type
+ * and subcategory. The event type must come first.
+ * The subcategory further defines the data that follows in the rest
+ * of the payload. Each category will have its own unique header plus
+ * any addtional data unique to the subcategory.
+ * The payload sent via the fc transport is one-way driver->application.
+ */
+
+/* els event header */
+struct lpfc_els_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+	uint8_t wwpn[8];
+	uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_ELS_EVENT */
+#define LPFC_EVENT_PLOGI_RCV		0x01
+#define LPFC_EVENT_PRLO_RCV		0x02
+#define LPFC_EVENT_ADISC_RCV		0x04
+#define LPFC_EVENT_LSRJT_RCV		0x08
+
+/* special els lsrjt event */
+struct lpfc_lsrjt_event {
+	struct lpfc_els_event_header header;
+	uint32_t command;
+	uint32_t reason_code;
+	uint32_t explanation;
+};
+
+
+/* fabric event header */
+struct lpfc_fabric_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+	uint8_t wwpn[8];
+	uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_FABRIC_EVENT */
+#define LPFC_EVENT_FABRIC_BUSY		0x01
+#define LPFC_EVENT_PORT_BUSY		0x02
+#define LPFC_EVENT_FCPRDCHKERR		0x04
+
+/* special case fabric fcprdchkerr event */
+struct lpfc_fcprdchkerr_event {
+	struct lpfc_fabric_event_header header;
+	uint32_t lun;
+	uint32_t opcode;
+	uint32_t fcpiparam;
+};
+
+
+/* scsi event header */
+struct lpfc_scsi_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+	uint32_t lun;
+	uint8_t wwpn[8];
+	uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_SCSI_EVENT */
+#define LPFC_EVENT_QFULL	0x0001
+#define LPFC_EVENT_DEVBSY	0x0002
+#define LPFC_EVENT_CHECK_COND	0x0004
+#define LPFC_EVENT_LUNRESET	0x0008
+#define LPFC_EVENT_TGTRESET	0x0010
+#define LPFC_EVENT_BUSRESET	0x0020
+#define LPFC_EVENT_VARQUEDEPTH	0x0040
+
+/* special case scsi varqueuedepth event */
+struct lpfc_scsi_varqueuedepth_event {
+	struct lpfc_scsi_event_header scsi_event;
+	uint32_t oldval;
+	uint32_t newval;
+};
+
+/* special case scsi check condition event */
+struct lpfc_scsi_check_condition_event {
+	struct lpfc_scsi_event_header scsi_event;
+	uint8_t sense_key;
+	uint8_t asc;
+	uint8_t ascq;
+};
+
+/* event codes for FC_REG_BOARD_EVENT */
+#define LPFC_EVENT_PORTINTERR		0x01
+
+/* board event header */
+struct lpfc_board_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+};
+
+
+/* event codes for FC_REG_ADAPTER_EVENT */
+#define LPFC_EVENT_ARRIVAL	0x01
+
+/* adapter event header */
+struct lpfc_adapter_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+};
+
+
+/* event codes for temp_event */
+#define LPFC_CRIT_TEMP		0x1
+#define LPFC_THRESHOLD_TEMP	0x2
+#define LPFC_NORMAL_TEMP	0x3
+
+struct temp_event {
+	uint32_t event_type;
+	uint32_t event_code;
+	uint32_t data;
+};
+
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 83ffa75378e..0c25d97acb4 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -30,6 +30,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 7b17f52660b..bd186741182 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -32,6 +32,7 @@
 #include "lpfc_version.h"
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
@@ -42,6 +43,111 @@
 #define LPFC_RESET_WAIT  2
 #define LPFC_ABORT_WAIT  2
 
+/**
+ * lpfc_update_stats: Update statistical data for the command completion.
+ * @phba: Pointer to HBA object.
+ * @lpfc_cmd: lpfc scsi command object pointer.
+ *
+ * This function is called when there is a command completion and this
+ * function updates the statistical data for the command completion.
+ **/
+static void
+lpfc_update_stats(struct lpfc_hba *phba, struct  lpfc_scsi_buf *lpfc_cmd)
+{
+	struct lpfc_rport_data *rdata = lpfc_cmd->rdata;
+	struct lpfc_nodelist *pnode = rdata->pnode;
+	struct scsi_cmnd *cmd = lpfc_cmd->pCmd;
+	unsigned long flags;
+	struct Scsi_Host  *shost = cmd->device->host;
+	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
+	unsigned long latency;
+	int i;
+
+	if (cmd->result)
+		return;
+
+	spin_lock_irqsave(shost->host_lock, flags);
+	if (!vport->stat_data_enabled ||
+		vport->stat_data_blocked ||
+		!pnode->lat_data ||
+		(phba->bucket_type == LPFC_NO_BUCKET)) {
+		spin_unlock_irqrestore(shost->host_lock, flags);
+		return;
+	}
+	latency = jiffies_to_msecs(jiffies - lpfc_cmd->start_time);
+
+	if (phba->bucket_type == LPFC_LINEAR_BUCKET) {
+		i = (latency + phba->bucket_step - 1 - phba->bucket_base)/
+			phba->bucket_step;
+		if (i >= LPFC_MAX_BUCKET_COUNT)
+			i = LPFC_MAX_BUCKET_COUNT;
+	} else {
+		for (i = 0; i < LPFC_MAX_BUCKET_COUNT-1; i++)
+			if (latency <= (phba->bucket_base +
+				((1<<i)*phba->bucket_step)))
+				break;
+	}
+
+	pnode->lat_data[i].cmd_count++;
+	spin_unlock_irqrestore(shost->host_lock, flags);
+}
+
+
+/**
+ * lpfc_send_sdev_queuedepth_change_event: Posts a queuedepth change
+ *                   event.
+ * @phba: Pointer to HBA context object.
+ * @vport: Pointer to vport object.
+ * @ndlp: Pointer to FC node associated with the target.
+ * @lun: Lun number of the scsi device.
+ * @old_val: Old value of the queue depth.
+ * @new_val: New value of the queue depth.
+ *
+ * This function sends an event to the mgmt application indicating
+ * there is a change in the scsi device queue depth.
+ **/
+static void
+lpfc_send_sdev_queuedepth_change_event(struct lpfc_hba *phba,
+		struct lpfc_vport  *vport,
+		struct lpfc_nodelist *ndlp,
+		uint32_t lun,
+		uint32_t old_val,
+		uint32_t new_val)
+{
+	struct lpfc_fast_path_event *fast_path_evt;
+	unsigned long flags;
+
+	fast_path_evt = lpfc_alloc_fast_evt(phba);
+	if (!fast_path_evt)
+		return;
+
+	fast_path_evt->un.queue_depth_evt.scsi_event.event_type =
+		FC_REG_SCSI_EVENT;
+	fast_path_evt->un.queue_depth_evt.scsi_event.subcategory =
+		LPFC_EVENT_VARQUEDEPTH;
+
+	/* Report all luns with change in queue depth */
+	fast_path_evt->un.queue_depth_evt.scsi_event.lun = lun;
+	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
+		memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwpn,
+			&ndlp->nlp_portname, sizeof(struct lpfc_name));
+		memcpy(&fast_path_evt->un.queue_depth_evt.scsi_event.wwnn,
+			&ndlp->nlp_nodename, sizeof(struct lpfc_name));
+	}
+
+	fast_path_evt->un.queue_depth_evt.oldval = old_val;
+	fast_path_evt->un.queue_depth_evt.newval = new_val;
+	fast_path_evt->vport = vport;
+
+	fast_path_evt->work_evt.evt = LPFC_EVT_FASTPATH_MGMT_EVT;
+	spin_lock_irqsave(&phba->hbalock, flags);
+	list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list);
+	spin_unlock_irqrestore(&phba->hbalock, flags);
+	lpfc_worker_wake_up(phba);
+
+	return;
+}
+
 /*
  * This function is called with no lock held when there is a resource
  * error in driver or in firmware.
@@ -117,9 +223,10 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
 	struct lpfc_vport **vports;
 	struct Scsi_Host  *shost;
 	struct scsi_device *sdev;
-	unsigned long new_queue_depth;
+	unsigned long new_queue_depth, old_queue_depth;
 	unsigned long num_rsrc_err, num_cmd_success;
 	int i;
+	struct lpfc_rport_data *rdata;
 
 	num_rsrc_err = atomic_read(&phba->num_rsrc_err);
 	num_cmd_success = atomic_read(&phba->num_cmd_success);
@@ -137,6 +244,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
 				else
 					new_queue_depth = sdev->queue_depth -
 								new_queue_depth;
+				old_queue_depth = sdev->queue_depth;
 				if (sdev->ordered_tags)
 					scsi_adjust_queue_depth(sdev,
 							MSG_ORDERED_TAG,
@@ -145,6 +253,13 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba)
 					scsi_adjust_queue_depth(sdev,
 							MSG_SIMPLE_TAG,
 							new_queue_depth);
+				rdata = sdev->hostdata;
+				if (rdata)
+					lpfc_send_sdev_queuedepth_change_event(
+						phba, vports[i],
+						rdata->pnode,
+						sdev->lun, old_queue_depth,
+						new_queue_depth);
 			}
 		}
 	lpfc_destroy_vport_work_array(phba, vports);
@@ -159,6 +274,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
 	struct Scsi_Host  *shost;
 	struct scsi_device *sdev;
 	int i;
+	struct lpfc_rport_data *rdata;
 
 	vports = lpfc_create_vport_work_array(phba);
 	if (vports != NULL)
@@ -176,6 +292,14 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba)
 					scsi_adjust_queue_depth(sdev,
 							MSG_SIMPLE_TAG,
 							sdev->queue_depth+1);
+				rdata = sdev->hostdata;
+				if (rdata)
+					lpfc_send_sdev_queuedepth_change_event(
+						phba, vports[i],
+						rdata->pnode,
+						sdev->lun,
+						sdev->queue_depth - 1,
+						sdev->queue_depth);
 			}
 		}
 	lpfc_destroy_vport_work_array(phba, vports);
@@ -466,6 +590,97 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 	return 0;
 }
 
+/**
+ * lpfc_send_scsi_error_event: Posts an event when there is SCSI error.
+ * @phba: Pointer to hba context object.
+ * @vport: Pointer to vport object.
+ * @lpfc_cmd: Pointer to lpfc scsi command which reported the error.
+ * @rsp_iocb: Pointer to response iocb object which reported error.
+ *
+ * This function posts an event when there is a SCSI command reporting
+ * error from the scsi device.
+ **/
+static void
+lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport,
+		struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_iocbq *rsp_iocb) {
+	struct scsi_cmnd *cmnd = lpfc_cmd->pCmd;
+	struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp;
+	uint32_t resp_info = fcprsp->rspStatus2;
+	uint32_t scsi_status = fcprsp->rspStatus3;
+	uint32_t fcpi_parm = rsp_iocb->iocb.un.fcpi.fcpi_parm;
+	struct lpfc_fast_path_event *fast_path_evt = NULL;
+	struct lpfc_nodelist *pnode = lpfc_cmd->rdata->pnode;
+	unsigned long flags;
+
+	/* If there is queuefull or busy condition send a scsi event */
+	if ((cmnd->result == SAM_STAT_TASK_SET_FULL) ||
+		(cmnd->result == SAM_STAT_BUSY)) {
+		fast_path_evt = lpfc_alloc_fast_evt(phba);
+		if (!fast_path_evt)
+			return;
+		fast_path_evt->un.scsi_evt.event_type =
+			FC_REG_SCSI_EVENT;
+		fast_path_evt->un.scsi_evt.subcategory =
+		(cmnd->result == SAM_STAT_TASK_SET_FULL) ?
+		LPFC_EVENT_QFULL : LPFC_EVENT_DEVBSY;
+		fast_path_evt->un.scsi_evt.lun = cmnd->device->lun;
+		memcpy(&fast_path_evt->un.scsi_evt.wwpn,
+			&pnode->nlp_portname, sizeof(struct lpfc_name));
+		memcpy(&fast_path_evt->un.scsi_evt.wwnn,
+			&pnode->nlp_nodename, sizeof(struct lpfc_name));
+	} else if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen &&
+		((cmnd->cmnd[0] == READ_10) || (cmnd->cmnd[0] == WRITE_10))) {
+		fast_path_evt = lpfc_alloc_fast_evt(phba);
+		if (!fast_path_evt)
+			return;
+		fast_path_evt->un.check_cond_evt.scsi_event.event_type =
+			FC_REG_SCSI_EVENT;
+		fast_path_evt->un.check_cond_evt.scsi_event.subcategory =
+			LPFC_EVENT_CHECK_COND;
+		fast_path_evt->un.check_cond_evt.scsi_event.lun =
+			cmnd->device->lun;
+		memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwpn,
+			&pnode->nlp_portname, sizeof(struct lpfc_name));
+		memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwnn,
+			&pnode->nlp_nodename, sizeof(struct lpfc_name));
+		fast_path_evt->un.check_cond_evt.sense_key =
+			cmnd->sense_buffer[2] & 0xf;
+		fast_path_evt->un.check_cond_evt.asc = cmnd->sense_buffer[12];
+		fast_path_evt->un.check_cond_evt.ascq = cmnd->sense_buffer[13];
+	} else if ((cmnd->sc_data_direction == DMA_FROM_DEVICE) &&
+		     fcpi_parm &&
+		     ((be32_to_cpu(fcprsp->rspResId) != fcpi_parm) ||
+			((scsi_status == SAM_STAT_GOOD) &&
+			!(resp_info & (RESID_UNDER | RESID_OVER))))) {
+		/*
+		 * If status is good or resid does not match with fcp_param and
+		 * there is valid fcpi_parm, then there is a read_check error
+		 */
+		fast_path_evt = lpfc_alloc_fast_evt(phba);
+		if (!fast_path_evt)
+			return;
+		fast_path_evt->un.read_check_error.header.event_type =
+			FC_REG_FABRIC_EVENT;
+		fast_path_evt->un.read_check_error.header.subcategory =
+			LPFC_EVENT_FCPRDCHKERR;
+		memcpy(&fast_path_evt->un.read_check_error.header.wwpn,
+			&pnode->nlp_portname, sizeof(struct lpfc_name));
+		memcpy(&fast_path_evt->un.read_check_error.header.wwnn,
+			&pnode->nlp_nodename, sizeof(struct lpfc_name));
+		fast_path_evt->un.read_check_error.lun = cmnd->device->lun;
+		fast_path_evt->un.read_check_error.opcode = cmnd->cmnd[0];
+		fast_path_evt->un.read_check_error.fcpiparam =
+			fcpi_parm;
+	} else
+		return;
+
+	fast_path_evt->vport = vport;
+	spin_lock_irqsave(&phba->hbalock, flags);
+	list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list);
+	spin_unlock_irqrestore(&phba->hbalock, flags);
+	lpfc_worker_wake_up(phba);
+	return;
+}
 static void
 lpfc_scsi_unprep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * psb)
 {
@@ -494,6 +709,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 	uint32_t rsplen = 0;
 	uint32_t logit = LOG_FCP | LOG_FCP_ERROR;
 
+
 	/*
 	 *  If this is a task management command, there is no
 	 *  scsi packet associated with this lpfc_cmd.  The driver
@@ -609,6 +825,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 
  out:
 	cmnd->result = ScsiResult(host_status, scsi_status);
+	lpfc_send_scsi_error_event(vport->phba, vport, lpfc_cmd, rsp_iocb);
 }
 
 static void
@@ -625,6 +842,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 	struct scsi_device *sdev, *tmp_sdev;
 	int depth = 0;
 	unsigned long flags;
+	struct lpfc_fast_path_event *fast_path_evt;
 
 	lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
 	lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
@@ -655,6 +873,30 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 		case IOSTAT_NPORT_BSY:
 		case IOSTAT_FABRIC_BSY:
 			cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0);
+			fast_path_evt = lpfc_alloc_fast_evt(phba);
+			if (!fast_path_evt)
+				break;
+			fast_path_evt->un.fabric_evt.event_type =
+				FC_REG_FABRIC_EVENT;
+			fast_path_evt->un.fabric_evt.subcategory =
+				(lpfc_cmd->status == IOSTAT_NPORT_BSY) ?
+				LPFC_EVENT_PORT_BUSY : LPFC_EVENT_FABRIC_BUSY;
+			if (pnode && NLP_CHK_NODE_ACT(pnode)) {
+				memcpy(&fast_path_evt->un.fabric_evt.wwpn,
+					&pnode->nlp_portname,
+					sizeof(struct lpfc_name));
+				memcpy(&fast_path_evt->un.fabric_evt.wwnn,
+					&pnode->nlp_nodename,
+					sizeof(struct lpfc_name));
+			}
+			fast_path_evt->vport = vport;
+			fast_path_evt->work_evt.evt =
+				LPFC_EVT_FASTPATH_MGMT_EVT;
+			spin_lock_irqsave(&phba->hbalock, flags);
+			list_add_tail(&fast_path_evt->work_evt.evt_listp,
+				&phba->work_list);
+			spin_unlock_irqrestore(&phba->hbalock, flags);
+			lpfc_worker_wake_up(phba);
 			break;
 		case IOSTAT_LOCAL_REJECT:
 			if (lpfc_cmd->result == IOERR_INVALID_RPI ||
@@ -687,6 +929,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 				 scsi_get_resid(cmd));
 	}
 
+	lpfc_update_stats(phba, lpfc_cmd);
 	result = cmd->result;
 	sdev = cmd->device;
 	if (vport->cfg_max_scsicmpl_time &&
@@ -755,6 +998,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 				pnode->last_ramp_up_time = jiffies;
 			}
 		}
+		lpfc_send_sdev_queuedepth_change_event(phba, vport, pnode,
+			0xFFFFFFFF,
+			sdev->queue_depth - 1, sdev->queue_depth);
 	}
 
 	/*
@@ -784,6 +1030,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
 			lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
 					 "0711 detected queue full - lun queue "
 					 "depth adjusted to %d.\n", depth);
+			lpfc_send_sdev_queuedepth_change_event(phba, vport,
+				pnode, 0xFFFFFFFF,
+				depth+1, depth);
 		}
 	}
 
@@ -1112,6 +1361,7 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 		goto out_host_busy;
 	}
 
+	lpfc_cmd->start_time = jiffies;
 	/*
 	 * Store the midlayer's command structure for the completion phase
 	 * and complete the command initialization.
@@ -1280,6 +1530,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
 	int ret = SUCCESS;
 	int status;
 	int cnt;
+	struct lpfc_scsi_event_header scsi_event;
 
 	lpfc_block_error_handler(cmnd);
 	/*
@@ -1298,6 +1549,19 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
 			break;
 		pnode = rdata->pnode;
 	}
+
+	scsi_event.event_type = FC_REG_SCSI_EVENT;
+	scsi_event.subcategory = LPFC_EVENT_TGTRESET;
+	scsi_event.lun = 0;
+	memcpy(scsi_event.wwpn, &pnode->nlp_portname, sizeof(struct lpfc_name));
+	memcpy(scsi_event.wwnn, &pnode->nlp_nodename, sizeof(struct lpfc_name));
+
+	fc_host_post_vendor_event(shost,
+		fc_get_event_number(),
+		sizeof(scsi_event),
+		(char *)&scsi_event,
+		SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+
 	if (!rdata || pnode->nlp_state != NLP_STE_MAPPED_NODE) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
 				 "0721 LUN Reset rport "
@@ -1381,6 +1645,19 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
 	int cnt;
 	struct lpfc_scsi_buf * lpfc_cmd;
 	unsigned long later;
+	struct lpfc_scsi_event_header scsi_event;
+
+	scsi_event.event_type = FC_REG_SCSI_EVENT;
+	scsi_event.subcategory = LPFC_EVENT_BUSRESET;
+	scsi_event.lun = 0;
+	memcpy(scsi_event.wwpn, &vport->fc_portname, sizeof(struct lpfc_name));
+	memcpy(scsi_event.wwnn, &vport->fc_nodename, sizeof(struct lpfc_name));
+
+	fc_host_post_vendor_event(shost,
+		fc_get_event_number(),
+		sizeof(scsi_event),
+		(char *)&scsi_event,
+		SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
 
 	lpfc_block_error_handler(cmnd);
 	/*
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
index 6737cabe9a7..437f182e232 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.h
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -107,6 +107,10 @@ struct fcp_cmnd {
 
 };
 
+struct lpfc_scsicmd_bkt {
+	uint32_t cmd_count;
+};
+
 struct lpfc_scsi_buf {
 	struct list_head list;
 	struct scsi_cmnd *pCmd;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 2cca39e9b93..8ab5babdeeb 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -32,6 +32,7 @@
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
@@ -1610,6 +1611,17 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 
 	if (cmdiocbp) {
 		if (cmdiocbp->iocb_cmpl) {
+			/*
+			 * If an ELS command failed send an event to mgmt
+			 * application.
+			 */
+			if (saveq->iocb.ulpStatus &&
+			     (pring->ringno == LPFC_ELS_RING) &&
+			     (cmdiocbp->iocb.ulpCommand ==
+				CMD_ELS_REQUEST64_CR))
+				lpfc_send_els_failure_event(phba,
+					cmdiocbp, saveq);
+
 			/*
 			 * Post all ELS completions to the worker thread.
 			 * All other are passed to the completion callback.
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 2578d5fd953..a7de1cc02b4 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -34,6 +34,7 @@
 #include <scsi/scsi_transport_fc.h>
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
+#include "lpfc_nl.h"
 #include "lpfc_disc.h"
 #include "lpfc_scsi.h"
 #include "lpfc.h"
@@ -745,3 +746,82 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports)
 		scsi_host_put(lpfc_shost_from_vport(vports[i]));
 	kfree(vports);
 }
+
+
+/**
+ * lpfc_vport_reset_stat_data: Reset the statistical data for the vport.
+ * @vport: Pointer to vport object.
+ *
+ * This function resets the statistical data for the vport. This function
+ * is called with the host_lock held
+ **/
+void
+lpfc_vport_reset_stat_data(struct lpfc_vport *vport)
+{
+	struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
+
+	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+		if (!NLP_CHK_NODE_ACT(ndlp))
+			continue;
+		if (ndlp->lat_data)
+			memset(ndlp->lat_data, 0, LPFC_MAX_BUCKET_COUNT *
+				sizeof(struct lpfc_scsicmd_bkt));
+	}
+}
+
+
+/**
+ * lpfc_alloc_bucket: Allocate data buffer required for collecting
+ *  statistical data.
+ * @vport: Pointer to vport object.
+ *
+ * This function allocates data buffer required for all the FC
+ * nodes of the vport to collect statistical data.
+ **/
+void
+lpfc_alloc_bucket(struct lpfc_vport *vport)
+{
+	struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
+
+	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+		if (!NLP_CHK_NODE_ACT(ndlp))
+			continue;
+
+		kfree(ndlp->lat_data);
+		ndlp->lat_data = NULL;
+
+		if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) {
+			ndlp->lat_data = kcalloc(LPFC_MAX_BUCKET_COUNT,
+					 sizeof(struct lpfc_scsicmd_bkt),
+					 GFP_ATOMIC);
+
+			if (!ndlp->lat_data)
+				lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE,
+					"0287 lpfc_alloc_bucket failed to "
+					"allocate statistical data buffer DID "
+					"0x%x\n", ndlp->nlp_DID);
+		}
+	}
+}
+
+/**
+ * lpfc_free_bucket: Free data buffer required for collecting
+ *  statistical data.
+ * @vport: Pointer to vport object.
+ *
+ * Th function frees statistical data buffer of all the FC
+ * nodes of the vport.
+ **/
+void
+lpfc_free_bucket(struct lpfc_vport *vport)
+{
+	struct lpfc_nodelist *ndlp = NULL, *next_ndlp = NULL;
+
+	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
+		if (!NLP_CHK_NODE_ACT(ndlp))
+			continue;
+
+		kfree(ndlp->lat_data);
+		ndlp->lat_data = NULL;
+	}
+}
diff --git a/drivers/scsi/lpfc/lpfc_vport.h b/drivers/scsi/lpfc/lpfc_vport.h
index 96c445333b6..90828340ace 100644
--- a/drivers/scsi/lpfc/lpfc_vport.h
+++ b/drivers/scsi/lpfc/lpfc_vport.h
@@ -112,4 +112,8 @@ struct vport_cmd_tag {
 void lpfc_vport_set_state(struct lpfc_vport *vport,
 			  enum fc_vport_state new_state);
 
+void lpfc_vport_reset_stat_data(struct lpfc_vport *);
+void lpfc_alloc_bucket(struct lpfc_vport *);
+void lpfc_free_bucket(struct lpfc_vport *);
+
 #endif /* H_LPFC_VPORT */
-- 
GitLab


From c82dc88ddaf17112841dd3a6b08352968555ee08 Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Fri, 12 Sep 2008 16:46:51 -0500
Subject: [PATCH 0407/2224] [SCSI] scsi_error: fix target reset handling

There's a target reset bug.

This loop:

	for (id = 0; id <= shost->max_id; id++) {

Never terminates if shost->max_id is set to ~0, like aic94xx does.

It's also pretty inefficient since you mostly have compact target
numbers, but the max_id can be very high.  The best way would be to
sort the recovery list by target id and skip them if they're equal,
but even a worst case O(N^2) traversal is probably OK here, so fix it
by finding the next highest target number (assuming n+1) and
terminating when there isn't one.

Cc: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_error.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index ad019ece213..94ed262bdf0 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1065,10 +1065,10 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost,
 				struct list_head *done_q)
 {
 	struct scsi_cmnd *scmd, *tgtr_scmd, *next;
-	unsigned int id;
+	unsigned int id = 0;
 	int rtn;
 
-	for (id = 0; id <= shost->max_id; id++) {
+	do {
 		tgtr_scmd = NULL;
 		list_for_each_entry(scmd, work_q, eh_entry) {
 			if (id == scmd_id(scmd)) {
@@ -1076,8 +1076,18 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost,
 				break;
 			}
 		}
+		if (!tgtr_scmd) {
+			/* not one exactly equal; find the next highest */
+			list_for_each_entry(scmd, work_q, eh_entry) {
+				if (scmd_id(scmd) > id &&
+				    (!tgtr_scmd ||
+				     scmd_id(tgtr_scmd) > scmd_id(scmd)))
+						tgtr_scmd = scmd;
+			}
+		}
 		if (!tgtr_scmd)
-			continue;
+			/* no more commands, that's it */
+			break;
 
 		SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Sending target reset "
 						  "to target %d\n",
@@ -1096,7 +1106,8 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost,
 							  " failed target: "
 							  "%d\n",
 							  current->comm, id));
-	}
+		id++;
+	} while(id != 0);
 
 	return list_empty(work_q);
 }
-- 
GitLab


From bd623e79fb6bca7ab685bb1f7376476a81ce10bb Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Fri, 19 Sep 2008 18:47:19 -0400
Subject: [PATCH 0408/2224] [SCSI] sd: Issue correct protection operation

Use the same logic to prepare RD/WRPROTECT and the protection
operation.  Fixes a corner case where we could issue an unprotected
CDB and yet tell the HBA to do DIF to the drive.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a7b53be6336..fec034557c3 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -384,7 +384,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
 	sector_t block = rq->sector;
 	sector_t threshold;
 	unsigned int this_count = rq->nr_sectors;
-	int ret;
+	int ret, host_dif;
 
 	if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
 		ret = scsi_setup_blk_pc_cmnd(sdp, rq);
@@ -515,7 +515,8 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
 					rq->nr_sectors));
 
 	/* Set RDPROTECT/WRPROTECT if disk is formatted with DIF */
-	if (scsi_host_dif_capable(sdp->host, sdkp->protection_type))
+	host_dif = scsi_host_dif_capable(sdp->host, sdkp->protection_type);
+	if (host_dif)
 		SCpnt->cmnd[1] = 1 << 5;
 	else
 		SCpnt->cmnd[1] = 0;
@@ -573,7 +574,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
 	SCpnt->sdb.length = this_count * sdp->sector_size;
 
 	/* If DIF or DIX is enabled, tell HBA how to handle request */
-	if (sdkp->protection_type || scsi_prot_sg_count(SCpnt))
+	if (host_dif || scsi_prot_sg_count(SCpnt))
 		sd_dif_op(SCpnt, sdkp->protection_type, scsi_prot_sg_count(SCpnt));
 
 	/*
-- 
GitLab


From be922f478f430f8fab4db952ffc20c86f23de397 Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Fri, 19 Sep 2008 18:47:20 -0400
Subject: [PATCH 0409/2224] [SCSI] sd: Always print actual protection_type

Now that we no longer use protection_type as trigger for preparing
protected CDBs we can remove the places that set it to zero.  This
allows userland to see which protection type the device is formatted
with regardless of whether the HBA supports DIF or not.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd.c     | 7 ++-----
 drivers/scsi/sd_dif.c | 1 -
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index fec034557c3..a494a2ec67d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1253,14 +1253,12 @@ void sd_read_protection_type(struct scsi_disk *sdkp, unsigned char *buffer)
 	else
 		type = ((buffer[12] >> 1) & 7) + 1; /* P_TYPE 0 = Type 1 */
 
+	sdkp->protection_type = type;
+
 	switch (type) {
 	case SD_DIF_TYPE0_PROTECTION:
-		sdkp->protection_type = 0;
-		break;
-
 	case SD_DIF_TYPE1_PROTECTION:
 	case SD_DIF_TYPE3_PROTECTION:
-		sdkp->protection_type = type;
 		break;
 
 	case SD_DIF_TYPE2_PROTECTION:
@@ -1278,7 +1276,6 @@ void sd_read_protection_type(struct scsi_disk *sdkp, unsigned char *buffer)
 	return;
 
 disable:
-	sdkp->protection_type = 0;
 	sdkp->capacity = 0;
 }
 
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 4d17f3d35aa..943fde7e7ff 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -321,7 +321,6 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 		if (scsi_host_dif_capable(sdp->host, type) == 0) {
 			sd_printk(KERN_INFO, sdkp, "Type %d protection " \
 				  "unsupported by HBA. Disabling DIF.\n", type);
-			sdkp->protection_type = 0;
 			return;
 		}
 
-- 
GitLab


From 9e06688e7d60149cc9ef78ff29515c20186bb418 Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Fri, 19 Sep 2008 18:47:21 -0400
Subject: [PATCH 0410/2224] [SCSI] sd: Correctly handle all combinations of DIF
 and DIX

The old detection code couldn't handle all possible combinations of
DIX and DIF.  This version does, giving priority to DIX if the
controller is capable.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd.c     |  3 ++-
 drivers/scsi/sd.h     |  2 +-
 drivers/scsi/sd_dif.c | 37 ++++++++++++++++++++-----------------
 3 files changed, 23 insertions(+), 19 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a494a2ec67d..7c4d2e68df1 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -575,7 +575,8 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
 
 	/* If DIF or DIX is enabled, tell HBA how to handle request */
 	if (host_dif || scsi_prot_sg_count(SCpnt))
-		sd_dif_op(SCpnt, sdkp->protection_type, scsi_prot_sg_count(SCpnt));
+		sd_dif_op(SCpnt, host_dif, scsi_prot_sg_count(SCpnt),
+			  sdkp->protection_type);
 
 	/*
 	 * We shouldn't disconnect in the middle of a sector, so with a dumb
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 95b9f06534d..a92b991d98a 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -99,7 +99,7 @@ struct sd_dif_tuple {
 
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
 
-extern void sd_dif_op(struct scsi_cmnd *, unsigned int, unsigned int);
+extern void sd_dif_op(struct scsi_cmnd *, unsigned int, unsigned int, unsigned int);
 extern void sd_dif_config_host(struct scsi_disk *);
 extern int sd_dif_prepare(struct request *rq, sector_t, unsigned int);
 extern void sd_dif_complete(struct scsi_cmnd *, unsigned int);
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 943fde7e7ff..194c7706083 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -311,24 +311,26 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 	struct scsi_device *sdp = sdkp->device;
 	struct gendisk *disk = sdkp->disk;
 	u8 type = sdkp->protection_type;
+	int dif, dix;
 
-	/* If this HBA doesn't support DIX, resort to normal I/O or DIF */
-	if (scsi_host_dix_capable(sdp->host, type) == 0) {
+	dif = scsi_host_dif_capable(sdp->host, type);
+	dix = scsi_host_dix_capable(sdp->host, type);
 
-		if (type == SD_DIF_TYPE0_PROTECTION)
-			return;
-
-		if (scsi_host_dif_capable(sdp->host, type) == 0) {
-			sd_printk(KERN_INFO, sdkp, "Type %d protection " \
-				  "unsupported by HBA. Disabling DIF.\n", type);
-			return;
-		}
+	if (!dix && scsi_host_dix_capable(sdp->host, 0)) {
+		dif = 0; dix = 1;
+	}
 
-		sd_printk(KERN_INFO, sdkp, "Enabling DIF Type %d protection\n",
-			  type);
+	if (type) {
+		if (dif)
+			sd_printk(KERN_INFO, sdkp,
+				  "Enabling DIF Type %d protection\n", type);
+		else
+			sd_printk(KERN_INFO, sdkp,
+				  "Disabling DIF Type %d protection\n", type);
+	}
 
+	if (!dix)
 		return;
-	}
 
 	/* Enable DMA of protection information */
 	if (scsi_host_get_guard(sdkp->device->host) & SHOST_DIX_GUARD_IP)
@@ -343,10 +345,10 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 			blk_integrity_register(disk, &dif_type1_integrity_crc);
 
 	sd_printk(KERN_INFO, sdkp,
-		  "Enabling %s integrity protection\n", disk->integrity->name);
+		  "Enabling DIX %s protection\n", disk->integrity->name);
 
 	/* Signal to block layer that we support sector tagging */
-	if (type && sdkp->ATO) {
+	if (dif && type && sdkp->ATO) {
 		if (type == SD_DIF_TYPE3_PROTECTION)
 			disk->integrity->tag_size = sizeof(u16) + sizeof(u32);
 		else
@@ -360,7 +362,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 /*
  * DIF DMA operation magic decoder ring.
  */
-void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix)
+void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix, unsigned int type)
 {
 	int csum_convert, prot_op;
 
@@ -405,7 +407,8 @@ void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix)
 	}
 
 	scsi_set_prot_op(scmd, prot_op);
-	scsi_set_prot_type(scmd, dif);
+	if (dif)
+		scsi_set_prot_type(scmd, type);
 }
 
 /*
-- 
GitLab


From cbdc14459bd7d99d20341ec057b8f4ffab2a7fb6 Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Wed, 1 Oct 2008 01:37:21 -0400
Subject: [PATCH 0411/2224] [SCSI] sd: Switch kernel printing level for DIF
 messages

For some reason these messages ended up being printed with KERN_INFO
rendering them invisible to pretty much everyone.  Switch to
KERN_NOTICE.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd_dif.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 194c7706083..3ebb1f28949 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -322,10 +322,10 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 
 	if (type) {
 		if (dif)
-			sd_printk(KERN_INFO, sdkp,
+			sd_printk(KERN_NOTICE, sdkp,
 				  "Enabling DIF Type %d protection\n", type);
 		else
-			sd_printk(KERN_INFO, sdkp,
+			sd_printk(KERN_NOTICE, sdkp,
 				  "Disabling DIF Type %d protection\n", type);
 	}
 
@@ -344,7 +344,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 		else
 			blk_integrity_register(disk, &dif_type1_integrity_crc);
 
-	sd_printk(KERN_INFO, sdkp,
+	sd_printk(KERN_NOTICE, sdkp,
 		  "Enabling DIX %s protection\n", disk->integrity->name);
 
 	/* Signal to block layer that we support sector tagging */
@@ -354,7 +354,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 		else
 			disk->integrity->tag_size = sizeof(u16);
 
-		sd_printk(KERN_INFO, sdkp, "DIF application tag size %u\n",
+		sd_printk(KERN_NOTICE, sdkp, "DIF application tag size %u\n",
 			  disk->integrity->tag_size);
 	}
 }
-- 
GitLab


From 1d9edf0270cb5a434d32e95279ce9493581906b3 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 24 Sep 2008 11:46:09 -0500
Subject: [PATCH 0412/2224] [SCSI] libiscsi: fix data corruption when target
 has to resend data-in packets

iscsi_tcp was updating the exp_statsn (exp_statsn acknowledges
status and tells the target it is ok to let the resources for
a iscsi pdu to be reused) before it got all the data for pdu read
into OS buffers. Data corruption was occuring if something happens
to a packet and the network layer requests a retransmit, and the
initiator has told the target about the udpated exp_statsn ack,
then the target may be sending data from a buffer it has reused
for a new iscsi pdu. This fixes the problem by having the LLD
(iscsi_tcp in this case) just handle the transferring of data, and
has libiscsi handle the processing of status (libiscsi completion
processing is done after LLD data transfers are complete).

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/iscsi_tcp.c | 29 +++++-----------------------
 drivers/scsi/libiscsi.c  | 41 ++++++++++++++++++++++++++++++++++------
 2 files changed, 40 insertions(+), 30 deletions(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 2a2f0094570..e960f00da93 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -523,22 +523,20 @@ iscsi_tcp_cleanup_task(struct iscsi_conn *conn, struct iscsi_task *task)
 }
 
 /**
- * iscsi_data_rsp - SCSI Data-In Response processing
+ * iscsi_data_in - SCSI Data-In Response processing
  * @conn: iscsi connection
  * @task: scsi command task
  **/
 static int
-iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
+iscsi_data_in(struct iscsi_conn *conn, struct iscsi_task *task)
 {
 	struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
 	struct iscsi_tcp_task *tcp_task = task->dd_data;
 	struct iscsi_data_rsp *rhdr = (struct iscsi_data_rsp *)tcp_conn->in.hdr;
-	struct iscsi_session *session = conn->session;
-	struct scsi_cmnd *sc = task->sc;
 	int datasn = be32_to_cpu(rhdr->datasn);
-	unsigned total_in_length = scsi_in(sc)->length;
+	unsigned total_in_length = scsi_in(task->sc)->length;
 
-	iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr);
+	iscsi_update_cmdsn(conn->session, (struct iscsi_nopin*)rhdr);
 	if (tcp_conn->in.datalen == 0)
 		return 0;
 
@@ -558,23 +556,6 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_task *task)
 		return ISCSI_ERR_DATA_OFFSET;
 	}
 
-	if (rhdr->flags & ISCSI_FLAG_DATA_STATUS) {
-		sc->result = (DID_OK << 16) | rhdr->cmd_status;
-		conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1;
-		if (rhdr->flags & (ISCSI_FLAG_DATA_UNDERFLOW |
-		                   ISCSI_FLAG_DATA_OVERFLOW)) {
-			int res_count = be32_to_cpu(rhdr->residual_count);
-
-			if (res_count > 0 &&
-			    (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW ||
-			     res_count <= total_in_length))
-				scsi_in(sc)->resid = res_count;
-			else
-				sc->result = (DID_BAD_TARGET << 16) |
-					rhdr->cmd_status;
-		}
-	}
-
 	conn->datain_pdus_cnt++;
 	return 0;
 }
@@ -774,7 +755,7 @@ iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 		if (!task)
 			rc = ISCSI_ERR_BAD_ITT;
 		else
-			rc = iscsi_data_rsp(conn, task);
+			rc = iscsi_data_in(conn, task);
 		if (rc) {
 			spin_unlock(&conn->session->lock);
 			break;
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 0e8f26baca6..f9539af28f0 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -633,6 +633,40 @@ out:
 	__iscsi_put_task(task);
 }
 
+/**
+ * iscsi_data_in_rsp - SCSI Data-In Response processing
+ * @conn: iscsi connection
+ * @hdr:  iscsi pdu
+ * @task: scsi command task
+ **/
+static void
+iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
+		  struct iscsi_task *task)
+{
+	struct iscsi_data_rsp *rhdr = (struct iscsi_data_rsp *)hdr;
+	struct scsi_cmnd *sc = task->sc;
+
+	if (!(rhdr->flags & ISCSI_FLAG_DATA_STATUS))
+		return;
+
+	sc->result = (DID_OK << 16) | rhdr->cmd_status;
+	conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1;
+	if (rhdr->flags & (ISCSI_FLAG_DATA_UNDERFLOW |
+	                   ISCSI_FLAG_DATA_OVERFLOW)) {
+		int res_count = be32_to_cpu(rhdr->residual_count);
+
+		if (res_count > 0 &&
+		    (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW ||
+		     res_count <= scsi_in(sc)->length))
+			scsi_in(sc)->resid = res_count;
+		else
+			sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status;
+	}
+
+	conn->scsirsp_pdus_cnt++;
+	__iscsi_put_task(task);
+}
+
 static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr)
 {
 	struct iscsi_tm_rsp *tmf = (struct iscsi_tm_rsp *)hdr;
@@ -818,12 +852,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
 		iscsi_scsi_cmd_rsp(conn, hdr, task, data, datalen);
 		break;
 	case ISCSI_OP_SCSI_DATA_IN:
-		if (hdr->flags & ISCSI_FLAG_DATA_STATUS) {
-			conn->scsirsp_pdus_cnt++;
-			iscsi_update_cmdsn(session,
-					   (struct iscsi_nopin*) hdr);
-			__iscsi_put_task(task);
-		}
+		iscsi_data_in_rsp(conn, hdr, task);
 		break;
 	case ISCSI_OP_LOGOUT_RSP:
 		iscsi_update_cmdsn(session, (struct iscsi_nopin*)hdr);
-- 
GitLab


From e5bd7b54e93ef7151469a12b8c28d863b9f8a088 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 24 Sep 2008 11:46:10 -0500
Subject: [PATCH 0413/2224] [SCSI] libiscsi: Support drivers initiating session
 removal

If the driver knows when hardware is removed like with cxgb3i,
bnx2i, qla4xxx and iser then we will want to remove the sessions/devices
that are bound to that device before removing the host.

cxgb3i and in the future bnx2i will remove the host and that will
remove all the sessions on the hba. iser can call iscsi_kill_session
when it gets an event that indicates that a hca is removed.
And when qla4xxx is hooked in to the lib (it is only hooked into
the class right now) it can call iscsi remove host like the
partial offload card drivers.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/infiniband/ulp/iser/iscsi_iser.c |   1 +
 drivers/scsi/iscsi_tcp.c                 |   1 +
 drivers/scsi/libiscsi.c                  | 107 +++++++++++++++++++++--
 drivers/scsi/qla4xxx/ql4_os.c            |   2 +-
 drivers/scsi/scsi_transport_iscsi.c      |   6 +-
 include/scsi/iscsi_if.h                  |   1 +
 include/scsi/libiscsi.h                  |  13 +++
 include/scsi/scsi_transport_iscsi.h      |   3 +-
 8 files changed, 121 insertions(+), 13 deletions(-)

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 5a1cf2580e1..0474da173eb 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -378,6 +378,7 @@ static void iscsi_iser_session_destroy(struct iscsi_cls_session *cls_session)
 {
 	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
 
+	iscsi_session_teardown(cls_session);
 	iscsi_host_remove(shost);
 	iscsi_host_free(shost);
 }
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index e960f00da93..752f42884cc 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -1885,6 +1885,7 @@ static void iscsi_tcp_session_destroy(struct iscsi_cls_session *cls_session)
 	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
 
 	iscsi_r2tpool_free(cls_session->dd_data);
+	iscsi_session_teardown(cls_session);
 
 	iscsi_host_remove(shost);
 	iscsi_host_free(shost);
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index f9539af28f0..390781894be 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -983,6 +983,38 @@ struct iscsi_task *iscsi_itt_to_ctask(struct iscsi_conn *conn, itt_t itt)
 }
 EXPORT_SYMBOL_GPL(iscsi_itt_to_ctask);
 
+void iscsi_session_failure(struct iscsi_cls_session *cls_session,
+			   enum iscsi_err err)
+{
+	struct iscsi_session *session = cls_session->dd_data;
+	struct iscsi_conn *conn;
+	struct device *dev;
+	unsigned long flags;
+
+	spin_lock_irqsave(&session->lock, flags);
+	conn = session->leadconn;
+	if (session->state == ISCSI_STATE_TERMINATE || !conn) {
+		spin_unlock_irqrestore(&session->lock, flags);
+		return;
+	}
+
+	dev = get_device(&conn->cls_conn->dev);
+	spin_unlock_irqrestore(&session->lock, flags);
+	if (!dev)
+	        return;
+	/*
+	 * if the host is being removed bypass the connection
+	 * recovery initialization because we are going to kill
+	 * the session.
+	 */
+	if (err == ISCSI_ERR_INVALID_HOST)
+		iscsi_conn_error_event(conn->cls_conn, err);
+	else
+		iscsi_conn_failure(conn, err);
+	put_device(dev);
+}
+EXPORT_SYMBOL_GPL(iscsi_session_failure);
+
 void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err)
 {
 	struct iscsi_session *session = conn->session;
@@ -997,9 +1029,10 @@ void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err)
 	if (conn->stop_stage == 0)
 		session->state = ISCSI_STATE_FAILED;
 	spin_unlock_irqrestore(&session->lock, flags);
+
 	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
 	set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
-	iscsi_conn_error(conn->cls_conn, err);
+	iscsi_conn_error_event(conn->cls_conn, err);
 }
 EXPORT_SYMBOL_GPL(iscsi_conn_failure);
 
@@ -1905,6 +1938,7 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
 				   int dd_data_size, uint16_t qdepth)
 {
 	struct Scsi_Host *shost;
+	struct iscsi_host *ihost;
 
 	shost = scsi_host_alloc(sht, sizeof(struct iscsi_host) + dd_data_size);
 	if (!shost)
@@ -1919,22 +1953,43 @@ struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
 		qdepth = ISCSI_DEF_CMD_PER_LUN;
 	}
 	shost->cmd_per_lun = qdepth;
+
+	ihost = shost_priv(shost);
+	spin_lock_init(&ihost->lock);
+	ihost->state = ISCSI_HOST_SETUP;
+	ihost->num_sessions = 0;
+	init_waitqueue_head(&ihost->session_removal_wq);
 	return shost;
 }
 EXPORT_SYMBOL_GPL(iscsi_host_alloc);
 
+static void iscsi_notify_host_removed(struct iscsi_cls_session *cls_session)
+{
+	iscsi_session_failure(cls_session, ISCSI_ERR_INVALID_HOST);
+}
+
 /**
  * iscsi_host_remove - remove host and sessions
  * @shost: scsi host
  *
- * This will also remove any sessions attached to the host, but if userspace
- * is managing the session at the same time this will break. TODO: add
- * refcounting to the netlink iscsi interface so a rmmod or host hot unplug
- * does not remove the memory from under us.
+ * If there are any sessions left, this will initiate the removal and wait
+ * for the completion.
  */
 void iscsi_host_remove(struct Scsi_Host *shost)
 {
-	iscsi_host_for_each_session(shost, iscsi_session_teardown);
+	struct iscsi_host *ihost = shost_priv(shost);
+	unsigned long flags;
+
+	spin_lock_irqsave(&ihost->lock, flags);
+	ihost->state = ISCSI_HOST_REMOVED;
+	spin_unlock_irqrestore(&ihost->lock, flags);
+
+	iscsi_host_for_each_session(shost, iscsi_notify_host_removed);
+	wait_event_interruptible(ihost->session_removal_wq,
+				 ihost->num_sessions == 0);
+	if (signal_pending(current))
+		flush_signals(current);
+
 	scsi_remove_host(shost);
 }
 EXPORT_SYMBOL_GPL(iscsi_host_remove);
@@ -1950,6 +2005,27 @@ void iscsi_host_free(struct Scsi_Host *shost)
 }
 EXPORT_SYMBOL_GPL(iscsi_host_free);
 
+static void iscsi_host_dec_session_cnt(struct Scsi_Host *shost)
+{
+	struct iscsi_host *ihost = shost_priv(shost);
+	unsigned long flags;
+
+	shost = scsi_host_get(shost);
+	if (!shost) {
+		printk(KERN_ERR "Invalid state. Cannot notify host removal "
+		      "of session teardown event because host already "
+		      "removed.\n");
+		return;
+	}
+
+	spin_lock_irqsave(&ihost->lock, flags);
+	ihost->num_sessions--;
+	if (ihost->num_sessions == 0)
+		wake_up(&ihost->session_removal_wq);
+	spin_unlock_irqrestore(&ihost->lock, flags);
+	scsi_host_put(shost);
+}
+
 /**
  * iscsi_session_setup - create iscsi cls session and host and session
  * @iscsit: iscsi transport template
@@ -1970,9 +2046,19 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 		    uint16_t cmds_max, int cmd_task_size,
 		    uint32_t initial_cmdsn, unsigned int id)
 {
+	struct iscsi_host *ihost = shost_priv(shost);
 	struct iscsi_session *session;
 	struct iscsi_cls_session *cls_session;
 	int cmd_i, scsi_cmds, total_cmds = cmds_max;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ihost->lock, flags);
+	if (ihost->state == ISCSI_HOST_REMOVED) {
+		spin_unlock_irqrestore(&ihost->lock, flags);
+		return NULL;
+	}
+	ihost->num_sessions++;
+	spin_unlock_irqrestore(&ihost->lock, flags);
 
 	if (!total_cmds)
 		total_cmds = ISCSI_DEF_XMIT_CMDS_MAX;
@@ -1985,7 +2071,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 		printk(KERN_ERR "iscsi: invalid can_queue of %d. can_queue "
 		       "must be a power of two that is at least %d.\n",
 		       total_cmds, ISCSI_TOTAL_CMDS_MIN);
-		return NULL;
+		goto dec_session_count;
 	}
 
 	if (total_cmds > ISCSI_TOTAL_CMDS_MAX) {
@@ -2009,7 +2095,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 	cls_session = iscsi_alloc_session(shost, iscsit,
 					  sizeof(struct iscsi_session));
 	if (!cls_session)
-		return NULL;
+		goto dec_session_count;
 	session = cls_session->dd_data;
 	session->cls_session = cls_session;
 	session->host = shost;
@@ -2048,6 +2134,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 
 	if (iscsi_add_session(cls_session, id))
 		goto cls_session_fail;
+
 	return cls_session;
 
 cls_session_fail:
@@ -2056,6 +2143,8 @@ module_get_fail:
 	iscsi_pool_free(&session->cmdpool);
 cmdpool_alloc_fail:
 	iscsi_free_session(cls_session);
+dec_session_count:
+	iscsi_host_dec_session_cnt(shost);
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(iscsi_session_setup);
@@ -2071,6 +2160,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
 {
 	struct iscsi_session *session = cls_session->dd_data;
 	struct module *owner = cls_session->transport->owner;
+	struct Scsi_Host *shost = session->host;
 
 	iscsi_pool_free(&session->cmdpool);
 
@@ -2083,6 +2173,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
 	kfree(session->ifacename);
 
 	iscsi_destroy_session(cls_session);
+	iscsi_host_dec_session_cnt(shost);
 	module_put(owner);
 }
 EXPORT_SYMBOL_GPL(iscsi_session_teardown);
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 4255b36ff96..db7ea3bb4e8 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -353,7 +353,7 @@ void qla4xxx_mark_device_missing(struct scsi_qla_host *ha,
 		      ha->host_no, ddb_entry->bus, ddb_entry->target,
 		      ddb_entry->fw_ddb_index));
 	iscsi_block_session(ddb_entry->sess);
-	iscsi_conn_error(ddb_entry->conn, ISCSI_ERR_CONN_FAILED);
+	iscsi_conn_error_event(ddb_entry->conn, ISCSI_ERR_CONN_FAILED);
 }
 
 static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index cbaae48f47e..f9e45f83e46 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1010,7 +1010,7 @@ int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
 
 	skb = alloc_skb(len, GFP_ATOMIC);
 	if (!skb) {
-		iscsi_conn_error(conn, ISCSI_ERR_CONN_FAILED);
+		iscsi_conn_error_event(conn, ISCSI_ERR_CONN_FAILED);
 		iscsi_cls_conn_printk(KERN_ERR, conn, "can not deliver "
 				      "control PDU: OOM\n");
 		return -ENOMEM;
@@ -1031,7 +1031,7 @@ int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
 }
 EXPORT_SYMBOL_GPL(iscsi_recv_pdu);
 
-void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error)
+void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error)
 {
 	struct nlmsghdr	*nlh;
 	struct sk_buff	*skb;
@@ -1063,7 +1063,7 @@ void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error)
 	iscsi_cls_conn_printk(KERN_INFO, conn, "detected conn error (%d)\n",
 			      error);
 }
-EXPORT_SYMBOL_GPL(iscsi_conn_error);
+EXPORT_SYMBOL_GPL(iscsi_conn_error_event);
 
 static int
 iscsi_if_send_reply(int pid, int seq, int type, int done, int multi,
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 16be12f1cbe..f274d248a91 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -213,6 +213,7 @@ enum iscsi_err {
 	ISCSI_ERR_DATA_DGST		= ISCSI_ERR_BASE + 15,
 	ISCSI_ERR_PARAM_NOT_FOUND	= ISCSI_ERR_BASE + 16,
 	ISCSI_ERR_NO_SCSI_CMD		= ISCSI_ERR_BASE + 17,
+	ISCSI_ERR_INVALID_HOST		= ISCSI_ERR_BASE + 18,
 };
 
 /*
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 5e75bb7f311..7d8cd159f59 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -287,6 +287,11 @@ struct iscsi_session {
 	struct iscsi_pool	cmdpool;	/* PDU's pool */
 };
 
+enum {
+	ISCSI_HOST_SETUP,
+	ISCSI_HOST_REMOVED,
+};
+
 struct iscsi_host {
 	char			*initiatorname;
 	/* hw address or netdev iscsi connection is bound to */
@@ -295,6 +300,12 @@ struct iscsi_host {
 	/* local address */
 	int			local_port;
 	char			local_address[ISCSI_ADDRESS_BUF_LEN];
+
+	wait_queue_head_t	session_removal_wq;
+	/* protects sessions and state */
+	spinlock_t		lock;
+	int			num_sessions;
+	int			state;
 };
 
 /*
@@ -351,6 +362,8 @@ extern void iscsi_conn_stop(struct iscsi_cls_conn *, int);
 extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *,
 			   int);
 extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err);
+extern void iscsi_session_failure(struct iscsi_cls_session *cls_session,
+				  enum iscsi_err err);
 extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
 				enum iscsi_param param, char *buf);
 extern void iscsi_suspend_tx(struct iscsi_conn *conn);
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 8b6c91df4c7..8749d4d8e24 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -135,7 +135,8 @@ extern int iscsi_unregister_transport(struct iscsi_transport *tt);
 /*
  * control plane upcalls
  */
-extern void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error);
+extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn,
+				   enum iscsi_err error);
 extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
 			  char *data, uint32_t data_size);
 
-- 
GitLab


From 21536062d98938dfcfbae593a26c154e359749dc Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 24 Sep 2008 11:46:11 -0500
Subject: [PATCH 0414/2224] [SCSI] iscsi class: fix endpoint id handling

Some endpoint code was using unsigned int and some
was using uint64_t. This converts it all to uint64_t.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_transport_iscsi.c | 9 +++++----
 include/scsi/scsi_transport_iscsi.h | 2 +-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index f9e45f83e46..4a803ebaf50 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -138,7 +138,7 @@ static ssize_t
 show_ep_handle(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
-	return sprintf(buf, "%u\n", ep->id);
+	return sprintf(buf, "%llu\n", (unsigned long long) ep->id);
 }
 static ISCSI_ATTR(ep, handle, S_IRUGO, show_ep_handle, NULL);
 
@@ -156,7 +156,7 @@ static struct attribute_group iscsi_endpoint_group = {
 static int iscsi_match_epid(struct device *dev, void *data)
 {
 	struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
-	unsigned int *epid = (unsigned int *) data;
+	uint64_t *epid = (uint64_t *) data;
 
 	return *epid == ep->id;
 }
@@ -166,7 +166,7 @@ iscsi_create_endpoint(int dd_size)
 {
 	struct device *dev;
 	struct iscsi_endpoint *ep;
-	unsigned int id;
+	uint64_t id;
 	int err;
 
 	for (id = 1; id < ISCSI_MAX_EPID; id++) {
@@ -187,7 +187,8 @@ iscsi_create_endpoint(int dd_size)
 
 	ep->id = id;
 	ep->dev.class = &iscsi_endpoint_class;
-	snprintf(ep->dev.bus_id, BUS_ID_SIZE, "ep-%u", id);
+	snprintf(ep->dev.bus_id, BUS_ID_SIZE, "ep-%llu",
+		 (unsigned long long) id);
 	err = device_register(&ep->dev);
         if (err)
                 goto free_ep;
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 8749d4d8e24..c667cc39654 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -208,7 +208,7 @@ extern void iscsi_host_for_each_session(struct Scsi_Host *shost,
 struct iscsi_endpoint {
 	void *dd_data;			/* LLD private data */
 	struct device dev;
-	unsigned int id;
+	uint64_t id;
 };
 
 /*
-- 
GitLab


From 8e12452549ba2dfa17db97bc495172fac221a7ab Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 24 Sep 2008 11:46:12 -0500
Subject: [PATCH 0415/2224] [SCSI] libiscsi: rename host reset to target reset

I had this in my patchset to add target reset support, but
it got dropped due to patching conflicts. This initial patch
just renames the function and users. We are actually just
dropping the session, and so this does not have anything to do
with the host exactly. It does for software iscsi because
we allocate a host per session, but for cxgb3i this makes no
sense.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/infiniband/ulp/iser/iscsi_iser.c |  2 +-
 drivers/scsi/iscsi_tcp.c                 |  2 +-
 drivers/scsi/libiscsi.c                  | 10 +++++-----
 include/scsi/libiscsi.h                  |  2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 0474da173eb..1e5b6446231 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -598,7 +598,7 @@ static struct scsi_host_template iscsi_iser_sht = {
 	.cmd_per_lun            = ISCSI_MAX_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_device_reset_handler= iscsi_eh_device_reset,
-	.eh_host_reset_handler	= iscsi_eh_host_reset,
+	.eh_target_reset_handler= iscsi_eh_target_reset,
 	.use_clustering         = DISABLE_CLUSTERING,
 	.proc_name              = "iscsi_iser",
 	.this_id                = -1,
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 752f42884cc..4f096de8152 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -1909,7 +1909,7 @@ static struct scsi_host_template iscsi_sht = {
 	.cmd_per_lun		= ISCSI_DEF_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_device_reset_handler= iscsi_eh_device_reset,
-	.eh_host_reset_handler	= iscsi_eh_host_reset,
+	.eh_target_reset_handler= iscsi_eh_target_reset,
 	.use_clustering         = DISABLE_CLUSTERING,
 	.slave_configure        = iscsi_tcp_slave_configure,
 	.proc_name		= "iscsi_tcp",
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 390781894be..e3e57cce488 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1367,7 +1367,7 @@ void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session)
 }
 EXPORT_SYMBOL_GPL(iscsi_session_recovery_timedout);
 
-int iscsi_eh_host_reset(struct scsi_cmnd *sc)
+int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 {
 	struct iscsi_cls_session *cls_session;
 	struct iscsi_session *session;
@@ -1381,7 +1381,7 @@ int iscsi_eh_host_reset(struct scsi_cmnd *sc)
 	spin_lock_bh(&session->lock);
 	if (session->state == ISCSI_STATE_TERMINATE) {
 failed:
-		debug_scsi("failing host reset: session terminated "
+		debug_scsi("failing target reset: session terminated "
 			   "[CID %d age %d]\n", conn->id, session->age);
 		spin_unlock_bh(&session->lock);
 		mutex_unlock(&session->eh_mutex);
@@ -1396,7 +1396,7 @@ failed:
 	 */
 	iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
 
-	debug_scsi("iscsi_eh_host_reset wait for relogin\n");
+	debug_scsi("iscsi_eh_target_reset wait for relogin\n");
 	wait_event_interruptible(conn->ehwait,
 				 session->state == ISCSI_STATE_TERMINATE ||
 				 session->state == ISCSI_STATE_LOGGED_IN ||
@@ -1408,14 +1408,14 @@ failed:
 	spin_lock_bh(&session->lock);
 	if (session->state == ISCSI_STATE_LOGGED_IN)
 		iscsi_session_printk(KERN_INFO, session,
-				     "host reset succeeded\n");
+				     "target reset succeeded\n");
 	else
 		goto failed;
 	spin_unlock_bh(&session->lock);
 	mutex_unlock(&session->eh_mutex);
 	return SUCCESS;
 }
-EXPORT_SYMBOL_GPL(iscsi_eh_host_reset);
+EXPORT_SYMBOL_GPL(iscsi_eh_target_reset);
 
 static void iscsi_tmf_timedout(unsigned long data)
 {
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 7d8cd159f59..61e53f14f7e 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -313,7 +313,7 @@ struct iscsi_host {
  */
 extern int iscsi_change_queue_depth(struct scsi_device *sdev, int depth);
 extern int iscsi_eh_abort(struct scsi_cmnd *sc);
-extern int iscsi_eh_host_reset(struct scsi_cmnd *sc);
+extern int iscsi_eh_target_reset(struct scsi_cmnd *sc);
 extern int iscsi_eh_device_reset(struct scsi_cmnd *sc);
 extern int iscsi_queuecommand(struct scsi_cmnd *sc,
 			      void (*done)(struct scsi_cmnd *));
-- 
GitLab


From 6f481e3cefeb33094e87af176587e6a3027f104e Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 24 Sep 2008 11:46:13 -0500
Subject: [PATCH 0416/2224] [SCSI] iscsi_tcp: return a descriptive error value
 during connection errors

The segment->done functions return a iscsi error value which gives
a lot more info than conn failed, so this patch has us return
that value. I also add a new one for xmit failures.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/iscsi_tcp.c | 12 +++++++-----
 include/scsi/iscsi_if.h  |  1 +
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 4f096de8152..ed6c54cae7b 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -979,7 +979,7 @@ iscsi_tcp_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
 
 error:
 	debug_tcp("Error receiving PDU, errno=%d\n", rc);
-	iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
+	iscsi_conn_failure(conn, rc);
 	return 0;
 }
 
@@ -1098,8 +1098,10 @@ iscsi_xmit(struct iscsi_conn *conn)
 
 	while (1) {
 		rc = iscsi_tcp_xmit_segment(tcp_conn, segment);
-		if (rc < 0)
+		if (rc < 0) {
+			rc = ISCSI_ERR_XMIT_FAILED;
 			goto error;
+		}
 		if (rc == 0)
 			break;
 
@@ -1108,7 +1110,7 @@ iscsi_xmit(struct iscsi_conn *conn)
 		if (segment->total_copied >= segment->total_size) {
 			if (segment->done != NULL) {
 				rc = segment->done(tcp_conn, segment);
-				if (rc < 0)
+				if (rc != 0)
 					goto error;
 			}
 		}
@@ -1123,8 +1125,8 @@ error:
 	/* Transmit error. We could initiate error recovery
 	 * here. */
 	debug_tcp("Error sending PDU, errno=%d\n", rc);
-	iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
-	return rc;
+	iscsi_conn_failure(conn, rc);
+	return -EIO;
 }
 
 /**
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index f274d248a91..0c9514de5df 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -214,6 +214,7 @@ enum iscsi_err {
 	ISCSI_ERR_PARAM_NOT_FOUND	= ISCSI_ERR_BASE + 16,
 	ISCSI_ERR_NO_SCSI_CMD		= ISCSI_ERR_BASE + 17,
 	ISCSI_ERR_INVALID_HOST		= ISCSI_ERR_BASE + 18,
+	ISCSI_ERR_XMIT_FAILED		= ISCSI_ERR_BASE + 19,
 };
 
 /*
-- 
GitLab


From 87cd9eab2dfbdf7d367d7ab30e88176d7b08b83e Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 24 Sep 2008 11:46:14 -0500
Subject: [PATCH 0417/2224] libiscsi: check reason why we are stopping iscsi
 session to determine error value

Some wires got crossed on some patches and I messed up in the code
below when rebuilding a patch. We want to be checking if flag
equaled the value indicating if we killing the session due to
final logout or if we just trying to relogin.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/libiscsi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index e3e57cce488..5aa0db15043 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2453,7 +2453,7 @@ static void iscsi_start_session_recovery(struct iscsi_session *session,
 	 * flush queues.
 	 */
 	spin_lock_bh(&session->lock);
-	if (STOP_CONN_RECOVER)
+	if (flag == STOP_CONN_RECOVER)
 		fail_all_commands(conn, -1, DID_TRANSPORT_DISRUPTED);
 	else
 		fail_all_commands(conn, -1, DID_ERROR);
-- 
GitLab


From a343914831a8e29d89af3b26495ab1136a9e3153 Mon Sep 17 00:00:00 2001
From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 24 Sep 2008 11:46:15 -0500
Subject: [PATCH 0418/2224] libiscsi: fix locking in iscsi_eh_device_reset

We must be using the bh spin locking functions in
iscsi_eh_device_reset becuase the session lock interacts with
a thread and softirq.

This patch also fixes up a bogus comment and check in fail_command,
because no one drops the lock (bnx2i did but it is not going
upstream yet and there were other refcount changes for that).

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/libiscsi.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 5aa0db15043..801c7cf54d2 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -404,11 +404,6 @@ static void fail_command(struct iscsi_conn *conn, struct iscsi_task *task,
 		conn->session->queued_cmdsn--;
 	else
 		conn->session->tt->cleanup_task(conn, task);
-	/*
-	 * Check if cleanup_task dropped the lock and the command completed,
-	 */
-	if (!task->sc)
-		return;
 
 	sc->result = err;
 	if (!scsi_bidi_cmnd(sc))
@@ -1829,10 +1824,10 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc)
 
 	iscsi_suspend_tx(conn);
 
-	spin_lock(&session->lock);
+	spin_lock_bh(&session->lock);
 	fail_all_commands(conn, sc->device->lun, DID_ERROR);
 	conn->tmf_state = TMF_INITIAL;
-	spin_unlock(&session->lock);
+	spin_unlock_bh(&session->lock);
 
 	iscsi_start_tx(conn);
 	goto done;
-- 
GitLab


From 45c349b58c58f3922bfdec917aa30ff8425caa3f Mon Sep 17 00:00:00 2001
From: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Date: Tue, 29 Jul 2008 09:25:37 +0000
Subject: [PATCH 0419/2224] avr32: add support for EarthLCD Favr-32 board

This patch adds support for the Favr-32 board made by EarthLCD.

This kit, which is also called ezLCD-101, has a 10.4" touch screen LCD panel,
16 MB 32-bit SDRAM, 8 MB parallel flash, Ethernet, audio out, USB device,
SD-card slot, USART and various other connectors for cennecting stuff to SPI,
I2C, GPIO, etc.

Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/Kconfig                 |   5 +
 arch/avr32/Makefile                |   1 +
 arch/avr32/boards/favr-32/Kconfig  |  22 ++
 arch/avr32/boards/favr-32/Makefile |   1 +
 arch/avr32/boards/favr-32/flash.c  |  98 ++++++++
 arch/avr32/boards/favr-32/setup.c  | 352 +++++++++++++++++++++++++++++
 6 files changed, 479 insertions(+)
 create mode 100644 arch/avr32/boards/favr-32/Kconfig
 create mode 100644 arch/avr32/boards/favr-32/Makefile
 create mode 100644 arch/avr32/boards/favr-32/flash.c
 create mode 100644 arch/avr32/boards/favr-32/setup.c

diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 5c6d429505e..856fcf3b276 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -119,10 +119,15 @@ config BOARD_ATSTK1000
 config BOARD_ATNGW100
 	bool "ATNGW100 Network Gateway"
 	select CPU_AT32AP7000
+
+config BOARD_FAVR_32
+	bool "Favr-32 LCD-board"
+	select CPU_AT32AP7000
 endchoice
 
 source "arch/avr32/boards/atstk1000/Kconfig"
 source "arch/avr32/boards/atngw100/Kconfig"
+source "arch/avr32/boards/favr-32/Kconfig"
 
 choice
 	prompt "Boot loader type"
diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
index c9e1f0b47fd..9a0bfdbd746 100644
--- a/arch/avr32/Makefile
+++ b/arch/avr32/Makefile
@@ -33,6 +33,7 @@ head-y					+= arch/avr32/kernel/head.o
 core-y					+= $(machdirs)
 core-$(CONFIG_BOARD_ATSTK1000)		+= arch/avr32/boards/atstk1000/
 core-$(CONFIG_BOARD_ATNGW100)		+= arch/avr32/boards/atngw100/
+core-$(CONFIG_BOARD_FAVR_32)		+= arch/avr32/boards/favr-32/
 core-$(CONFIG_LOADER_U_BOOT)		+= arch/avr32/boot/u-boot/
 core-y					+= arch/avr32/kernel/
 core-y					+= arch/avr32/mm/
diff --git a/arch/avr32/boards/favr-32/Kconfig b/arch/avr32/boards/favr-32/Kconfig
new file mode 100644
index 00000000000..2c83d1ddcae
--- /dev/null
+++ b/arch/avr32/boards/favr-32/Kconfig
@@ -0,0 +1,22 @@
+# Favr-32 customization
+
+if BOARD_FAVR_32
+
+config BOARD_FAVR32_ABDAC_RATE
+	int "DAC target rate"
+	default 44100
+	range 32000 50000
+	help
+	  Specify the target rate the internal DAC should try to match. This
+	  will use PLL1 to generate a frequency as close as possible to this
+	  rate.
+
+	  Must be within the range 32000 to 50000, which should be suitable to
+	  generate most other frequencies in power of 2 steps.
+
+	  Ex:
+		48000 will also suit 24000 and 12000
+		44100 will also suit 22050 and 11025
+		32000 will also suit 16000 and 8000
+
+endif # BOARD_FAVR_32
diff --git a/arch/avr32/boards/favr-32/Makefile b/arch/avr32/boards/favr-32/Makefile
new file mode 100644
index 00000000000..234f21508e4
--- /dev/null
+++ b/arch/avr32/boards/favr-32/Makefile
@@ -0,0 +1 @@
+obj-y	+= setup.o flash.o
diff --git a/arch/avr32/boards/favr-32/flash.c b/arch/avr32/boards/favr-32/flash.c
new file mode 100644
index 00000000000..5f139b7cb5f
--- /dev/null
+++ b/arch/avr32/boards/favr-32/flash.c
@@ -0,0 +1,98 @@
+/*
+ * Favr-32 board-specific flash initialization
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/arch/smc.h>
+
+static struct smc_timing flash_timing __initdata = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 40,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 10,
+
+	.ncs_read_pulse		= 80,
+	.nrd_pulse		= 40,
+	.ncs_write_pulse	= 65,
+	.nwe_pulse		= 55,
+
+	.read_cycle		= 120,
+	.write_cycle		= 120,
+};
+
+static struct smc_config flash_config __initdata = {
+	.bus_width		= 2,
+	.nrd_controlled		= 1,
+	.nwe_controlled		= 1,
+	.byte_write		= 1,
+};
+
+static struct mtd_partition flash_parts[] = {
+	{
+		.name           = "u-boot",
+		.offset         = 0x00000000,
+		.size           = 0x00020000,           /* 128 KiB */
+		.mask_flags     = MTD_WRITEABLE,
+	},
+	{
+		.name           = "root",
+		.offset         = 0x00020000,
+		.size           = 0x007d0000,
+	},
+	{
+		.name           = "env",
+		.offset         = 0x007f0000,
+		.size           = 0x00010000,
+		.mask_flags     = MTD_WRITEABLE,
+	},
+};
+
+static struct physmap_flash_data flash_data = {
+	.width		= 2,
+	.nr_parts	= ARRAY_SIZE(flash_parts),
+	.parts		= flash_parts,
+};
+
+static struct resource flash_resource = {
+	.start		= 0x00000000,
+	.end		= 0x007fffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.resource	= &flash_resource,
+	.num_resources	= 1,
+	.dev		= {
+		.platform_data = &flash_data,
+	},
+};
+
+/* This needs to be called after the SMC has been initialized */
+static int __init favr32_flash_init(void)
+{
+	int ret;
+
+	smc_set_timing(&flash_config, &flash_timing);
+	ret = smc_set_configuration(0, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "Favr-32: failed to set NOR flash timing\n");
+		return ret;
+	}
+
+	platform_device_register(&flash_device);
+
+	return 0;
+}
+device_initcall(favr32_flash_init);
diff --git a/arch/avr32/boards/favr-32/setup.c b/arch/avr32/boards/favr-32/setup.c
new file mode 100644
index 00000000000..7538f3d2b9e
--- /dev/null
+++ b/arch/avr32/boards/favr-32/setup.c
@@ -0,0 +1,352 @@
+/*
+ * Favr-32 board-specific setup code.
+ *
+ * Copyright (C) 2008 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+#include <linux/etherdevice.h>
+#include <linux/bootmem.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/linkage.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/atmel-pwm-bl.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/setup.h>
+
+#include <asm/arch/at32ap700x.h>
+#include <asm/arch/init.h>
+#include <asm/arch/board.h>
+#include <asm/arch/portmux.h>
+
+/* Oscillator frequencies. These are board-specific */
+unsigned long at32_board_osc_rates[3] = {
+	[0] = 32768,	/* 32.768 kHz on RTC osc */
+	[1] = 20000000,	/* 20 MHz on osc0 */
+	[2] = 12000000,	/* 12 MHz on osc1 */
+};
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+struct eth_addr {
+	u8 addr[6];
+};
+static struct eth_addr __initdata hw_addr[1];
+static struct eth_platform_data __initdata eth_data[1] = {
+	{
+		.phy_mask	= ~(1U << 1),
+	},
+};
+
+static int ads7843_get_pendown_state(void)
+{
+	return !gpio_get_value(GPIO_PIN_PB(3));
+}
+
+static struct ads7846_platform_data ads7843_data = {
+	.model			= 7843,
+	.get_pendown_state	= ads7843_get_pendown_state,
+	.pressure_max		= 255,
+	/*
+	 * Values below are for debounce filtering, these can be experimented
+	 * with further.
+	 */
+	.debounce_max		= 20,
+	.debounce_rep		= 4,
+	.debounce_tol		= 5,
+};
+
+static struct spi_board_info __initdata spi1_board_info[] = {
+	{
+		/* ADS7843 touch controller */
+		.modalias	= "ads7846",
+		.max_speed_hz	= 2000000,
+		.chip_select	= 0,
+		.bus_num	= 1,
+		.platform_data	= &ads7843_data,
+	},
+};
+
+static struct fb_videomode __initdata lb104v03_modes[] = {
+	{
+		.name		= "640x480 @ 50",
+		.refresh	= 50,
+		.xres		= 640,		.yres		= 480,
+		.pixclock	= KHZ2PICOS(25100),
+
+		.left_margin	= 90,		.right_margin	= 70,
+		.upper_margin	= 30,		.lower_margin	= 15,
+		.hsync_len	= 12,		.vsync_len	= 2,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata favr32_default_monspecs = {
+	.manufacturer		= "LG",
+	.monitor		= "LB104V03",
+	.modedb			= lb104v03_modes,
+	.modedb_len		= ARRAY_SIZE(lb104v03_modes),
+	.hfmin			= 27273,
+	.hfmax			= 31111,
+	.vfmin			= 45,
+	.vfmax			= 60,
+	.dclkmax		= 28000000,
+};
+
+struct atmel_lcdfb_info __initdata favr32_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &favr32_default_monspecs,
+	.guard_time		= 2,
+};
+
+static struct gpio_led favr32_leds[] = {
+	{
+		.name		 = "green",
+		.gpio		 = GPIO_PIN_PE(19),
+		.default_trigger = "heartbeat",
+		.active_low	 = 1,
+	},
+	{
+		.name		 = "red",
+		.gpio		 = GPIO_PIN_PE(20),
+		.active_low	 = 1,
+	},
+};
+
+static struct gpio_led_platform_data favr32_led_data = {
+	.num_leds	= ARRAY_SIZE(favr32_leds),
+	.leds		= favr32_leds,
+};
+
+static struct platform_device favr32_led_dev = {
+	.name		= "leds-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &favr32_led_data,
+	},
+};
+
+/*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+ * ethernet address. But we need to keep it around for a while until
+ * we can be reasonably sure the boot loader does this.
+ *
+ * The phy_id is ignored as the driver will probe for it.
+ */
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+	int i;
+
+	i = tag->u.ethernet.mac_index;
+	if (i < ARRAY_SIZE(hw_addr))
+		memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+		       sizeof(hw_addr[i].addr));
+
+	return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	const u8 *addr;
+	void __iomem *regs;
+	struct clk *pclk;
+
+	if (!res)
+		return;
+	if (pdev->id >= ARRAY_SIZE(hw_addr))
+		return;
+
+	addr = hw_addr[pdev->id].addr;
+	if (!is_valid_ether_addr(addr))
+		return;
+
+	/*
+	 * Since this is board-specific code, we'll cheat and use the
+	 * physical address directly as we happen to know that it's
+	 * the same as the virtual address.
+	 */
+	regs = (void __iomem __force *)res->start;
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (!pclk)
+		return;
+
+	clk_enable(pclk);
+	__raw_writel((addr[3] << 24) | (addr[2] << 16)
+		     | (addr[1] << 8) | addr[0], regs + 0x98);
+	__raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+	clk_disable(pclk);
+	clk_put(pclk);
+}
+
+void __init favr32_setup_leds(void)
+{
+	unsigned i;
+
+	for (i = 0; i < ARRAY_SIZE(favr32_leds); i++)
+		at32_select_gpio(favr32_leds[i].gpio, AT32_GPIOF_OUTPUT);
+
+	platform_device_register(&favr32_led_dev);
+}
+
+static struct atmel_pwm_bl_platform_data atmel_pwm_bl_pdata = {
+	.pwm_channel		= 2,
+	.pwm_frequency		= 200000,
+	.pwm_compare_max	= 345,
+	.pwm_duty_max		= 345,
+	.pwm_duty_min		= 90,
+	.pwm_active_low		= 1,
+	.gpio_on		= GPIO_PIN_PA(28),
+	.on_active_low		= 0,
+};
+
+static struct platform_device atmel_pwm_bl_dev = {
+	.name		= "atmel-pwm-bl",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &atmel_pwm_bl_pdata,
+	},
+};
+
+static void __init favr32_setup_atmel_pwm_bl(void)
+{
+	platform_device_register(&atmel_pwm_bl_dev);
+	at32_select_gpio(atmel_pwm_bl_pdata.gpio_on, 0);
+}
+
+void __init setup_board(void)
+{
+	at32_map_usart(3, 0);	/* USART 3 => /dev/ttyS0 */
+	at32_setup_serial_console(0);
+}
+
+static int __init set_abdac_rate(struct platform_device *pdev)
+{
+	int retval;
+	struct clk *osc1;
+	struct clk *pll1;
+	struct clk *abdac;
+
+	if (pdev == NULL)
+		return -ENXIO;
+
+	osc1 = clk_get(NULL, "osc1");
+	if (IS_ERR(osc1)) {
+		retval = PTR_ERR(osc1);
+		goto out;
+	}
+
+	pll1 = clk_get(NULL, "pll1");
+	if (IS_ERR(pll1)) {
+		retval = PTR_ERR(pll1);
+		goto out_osc1;
+	}
+
+	abdac = clk_get(&pdev->dev, "sample_clk");
+	if (IS_ERR(abdac)) {
+		retval = PTR_ERR(abdac);
+		goto out_pll1;
+	}
+
+	retval = clk_set_parent(pll1, osc1);
+	if (retval != 0)
+		goto out_abdac;
+
+	/*
+	 * Rate is 32000 to 50000 and ABDAC oversamples 256x. Multiply, in
+	 * power of 2, to a value above 80 MHz. Power of 2 so it is possible
+	 * for the generic clock to divide it down again and 80 MHz is the
+	 * lowest frequency for the PLL.
+	 */
+	retval = clk_round_rate(pll1,
+			CONFIG_BOARD_FAVR32_ABDAC_RATE * 256 * 16);
+	if (retval < 0)
+		goto out_abdac;
+
+	retval = clk_set_rate(pll1, retval);
+	if (retval != 0)
+		goto out_abdac;
+
+	retval = clk_set_parent(abdac, pll1);
+	if (retval != 0)
+		goto out_abdac;
+
+out_abdac:
+	clk_put(abdac);
+out_pll1:
+	clk_put(pll1);
+out_osc1:
+	clk_put(osc1);
+out:
+	return retval;
+}
+
+static int __init favr32_init(void)
+{
+	/*
+	 * Favr-32 uses 32-bit SDRAM interface. Reserve the SDRAM-specific
+	 * pins so that nobody messes with them.
+	 */
+	at32_reserve_pin(GPIO_PIN_PE(0));	/* DATA[16]	*/
+	at32_reserve_pin(GPIO_PIN_PE(1));	/* DATA[17]	*/
+	at32_reserve_pin(GPIO_PIN_PE(2));	/* DATA[18]	*/
+	at32_reserve_pin(GPIO_PIN_PE(3));	/* DATA[19]	*/
+	at32_reserve_pin(GPIO_PIN_PE(4));	/* DATA[20]	*/
+	at32_reserve_pin(GPIO_PIN_PE(5));	/* DATA[21]	*/
+	at32_reserve_pin(GPIO_PIN_PE(6));	/* DATA[22]	*/
+	at32_reserve_pin(GPIO_PIN_PE(7));	/* DATA[23]	*/
+	at32_reserve_pin(GPIO_PIN_PE(8));	/* DATA[24]	*/
+	at32_reserve_pin(GPIO_PIN_PE(9));	/* DATA[25]	*/
+	at32_reserve_pin(GPIO_PIN_PE(10));	/* DATA[26]	*/
+	at32_reserve_pin(GPIO_PIN_PE(11));	/* DATA[27]	*/
+	at32_reserve_pin(GPIO_PIN_PE(12));	/* DATA[28]	*/
+	at32_reserve_pin(GPIO_PIN_PE(13));	/* DATA[29]	*/
+	at32_reserve_pin(GPIO_PIN_PE(14));	/* DATA[30]	*/
+	at32_reserve_pin(GPIO_PIN_PE(15));	/* DATA[31]	*/
+	at32_reserve_pin(GPIO_PIN_PE(26));	/* SDCS		*/
+
+	at32_select_gpio(GPIO_PIN_PB(3), 0);	/* IRQ from ADS7843 */
+
+	at32_add_system_devices();
+
+	at32_add_device_usart(0);
+
+	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
+
+	spi1_board_info[0].irq = gpio_to_irq(GPIO_PIN_PB(3));
+
+	set_abdac_rate(at32_add_device_abdac(0));
+
+	at32_add_device_pwm(1 << atmel_pwm_bl_pdata.pwm_channel);
+	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
+	at32_add_device_mci(0, NULL);
+	at32_add_device_usba(0, NULL);
+	at32_add_device_lcdc(0, &favr32_lcdc_data, fbmem_start, fbmem_size, 0);
+
+	favr32_setup_leds();
+
+	favr32_setup_atmel_pwm_bl();
+
+	return 0;
+}
+postcore_initcall(favr32_init);
-- 
GitLab


From 69fd3a8d098faf41a04930afa83757c0555ee360 Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sun, 12 Oct 2008 16:18:36 +0200
Subject: [PATCH 0420/2224] [MTD] remove unused mtd parameter in
 of_mtd_parse_partitions()

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/physmap_of.c    | 3 +--
 drivers/mtd/nand/fsl_elbc_nand.c | 3 +--
 drivers/mtd/ofpart.c             | 1 -
 include/linux/mtd/partitions.h   | 1 -
 4 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 49acd417189..5fcfec034a9 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -230,8 +230,7 @@ static int __devinit of_flash_probe(struct of_device *dev,
 
 #ifdef CONFIG_MTD_OF_PARTS
 	if (err == 0) {
-		err = of_mtd_parse_partitions(&dev->dev, info->mtd,
-		                              dp, &info->parts);
+		err = of_mtd_parse_partitions(&dev->dev, dp, &info->parts);
 		if (err < 0)
 			return err;
 	}
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 98ad3cefcaf..4aa5bd6158d 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -918,8 +918,7 @@ static int __devinit fsl_elbc_chip_probe(struct fsl_elbc_ctrl *ctrl,
 
 #ifdef CONFIG_MTD_OF_PARTS
 	if (ret == 0) {
-		ret = of_mtd_parse_partitions(priv->dev, &priv->mtd,
-		                              node, &parts);
+		ret = of_mtd_parse_partitions(priv->dev, node, &parts);
 		if (ret < 0)
 			goto err;
 	}
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 4f80c2fd89a..9e45b3f39c0 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -20,7 +20,6 @@
 #include <linux/mtd/partitions.h>
 
 int __devinit of_mtd_parse_partitions(struct device *dev,
-                                      struct mtd_info *mtd,
                                       struct device_node *node,
                                       struct mtd_partition **pparts)
 {
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index 5014f7a9f5d..c92b4d43960 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -73,7 +73,6 @@ struct device;
 struct device_node;
 
 int __devinit of_mtd_parse_partitions(struct device *dev,
-                                      struct mtd_info *mtd,
                                       struct device_node *node,
                                       struct mtd_partition **pparts);
 
-- 
GitLab


From 198f29358a31cdca1a496d19da90bd5d6c8527ce Mon Sep 17 00:00:00 2001
From: Mark Jackson <mpfj@mimc.co.uk>
Date: Mon, 13 Oct 2008 10:46:27 +0000
Subject: [PATCH 0421/2224] avr32: Fix MIMC200 board use of SPD network pins

The MIMC200 board uses the SPD output pin from the Ethernet MACs for
other purposes.

One of these is as a board-reset, so I've had to #define off the SPD
output pin declaration.

This is probably not the best way of achieving this, but works in the
current framework.

Signed-off-by: Mark Jackson <mpfj@mimc.co.uk>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/mach-at32ap/at32ap700x.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 813b6844cdf..caec25a2eec 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -1091,7 +1091,9 @@ at32_add_device_eth(unsigned int id, struct eth_platform_data *data)
 			pin_mask |= (1 << 11);	/* RXD2 */
 			pin_mask |= (1 << 12);	/* RXD3 */
 			pin_mask |= (1 << 14);	/* RXCK */
+#ifndef CONFIG_BOARD_MIMC200
 			pin_mask |= (1 << 18);	/* SPD  */
+#endif
 		}
 
 		select_peripheral(PIOC, pin_mask, PERIPH_A, 0);
@@ -1112,8 +1114,10 @@ at32_add_device_eth(unsigned int id, struct eth_platform_data *data)
 		pin_mask |= (1 << 3);	/* MDC  */
 		pin_mask |= (1 << 2);	/* MDIO */
 
+#ifndef CONFIG_BOARD_MIMC200
 		if (!data->is_rmii)
 			pin_mask |= (1 << 15);	/* SPD  */
+#endif
 
 		select_peripheral(PIOD, pin_mask, PERIPH_B, 0);
 
-- 
GitLab


From 5b50c166b79ffa0a2e3b0f3785fa5263685a81f2 Mon Sep 17 00:00:00 2001
From: Mark Jackson <mpfj@mimc.co.uk>
Date: Mon, 13 Oct 2008 13:14:50 +0000
Subject: [PATCH 0422/2224] avr32: Add MIMC200 board support

Please consider the following patch which adds support for a new AVR32
based board.

The board is closely based on Atmel's NGW100 reference board, but has an
extra 8MByte FLASH and 128KByte FRAM.

Signed-off-by: Mark Jackson <mpfj@mimc.co.uk>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/Kconfig                 |   4 +
 arch/avr32/Makefile                |   1 +
 arch/avr32/boards/mimc200/Makefile |   1 +
 arch/avr32/boards/mimc200/flash.c  | 143 +++++++++++++++++
 arch/avr32/boards/mimc200/fram.c   |  80 ++++++++++
 arch/avr32/boards/mimc200/setup.c  | 237 +++++++++++++++++++++++++++++
 6 files changed, 466 insertions(+)
 create mode 100644 arch/avr32/boards/mimc200/Makefile
 create mode 100644 arch/avr32/boards/mimc200/flash.c
 create mode 100644 arch/avr32/boards/mimc200/fram.c
 create mode 100644 arch/avr32/boards/mimc200/setup.c

diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 856fcf3b276..5252e15445b 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -123,6 +123,10 @@ config BOARD_ATNGW100
 config BOARD_FAVR_32
 	bool "Favr-32 LCD-board"
 	select CPU_AT32AP7000
+
+config BOARD_MIMC200
+	bool "MIMC200 CPU board"
+	select CPU_AT32AP7000
 endchoice
 
 source "arch/avr32/boards/atstk1000/Kconfig"
diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
index 9a0bfdbd746..b088e103e75 100644
--- a/arch/avr32/Makefile
+++ b/arch/avr32/Makefile
@@ -34,6 +34,7 @@ core-y					+= $(machdirs)
 core-$(CONFIG_BOARD_ATSTK1000)		+= arch/avr32/boards/atstk1000/
 core-$(CONFIG_BOARD_ATNGW100)		+= arch/avr32/boards/atngw100/
 core-$(CONFIG_BOARD_FAVR_32)		+= arch/avr32/boards/favr-32/
+core-$(CONFIG_BOARD_MIMC200)		+= arch/avr32/boards/mimc200/
 core-$(CONFIG_LOADER_U_BOOT)		+= arch/avr32/boot/u-boot/
 core-y					+= arch/avr32/kernel/
 core-y					+= arch/avr32/mm/
diff --git a/arch/avr32/boards/mimc200/Makefile b/arch/avr32/boards/mimc200/Makefile
new file mode 100644
index 00000000000..79c076e168a
--- /dev/null
+++ b/arch/avr32/boards/mimc200/Makefile
@@ -0,0 +1 @@
+obj-y				+= setup.o flash.o fram.o
diff --git a/arch/avr32/boards/mimc200/flash.c b/arch/avr32/boards/mimc200/flash.c
new file mode 100644
index 00000000000..d83d650fc13
--- /dev/null
+++ b/arch/avr32/boards/mimc200/flash.c
@@ -0,0 +1,143 @@
+/*
+ * MIMC200 board-specific flash initialization
+ *
+ * Copyright (C) 2008 Mercury IMC Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <mach/smc.h>
+
+static struct smc_timing flash_timing __initdata = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 15,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 0,
+
+	.ncs_read_pulse		= 115,
+	.nrd_pulse		= 110,
+	.ncs_write_pulse	= 60,
+	.nwe_pulse		= 60,
+
+	.read_cycle		= 115,
+	.write_cycle		= 100,
+};
+
+static struct smc_config flash_config __initdata = {
+	.bus_width		= 2,
+	.nrd_controlled		= 1,
+	.nwe_controlled		= 1,
+	.byte_write		= 1,
+};
+
+/* system flash definition */
+
+static struct mtd_partition flash_parts_system[] = {
+	{
+		.name           = "u-boot",
+		.offset         = 0x00000000,
+		.size           = 0x00020000,           /* 128 KiB */
+		.mask_flags     = MTD_WRITEABLE,
+	},
+	{
+		.name           = "root",
+		.offset         = 0x00020000,
+		.size           = 0x007c0000,
+	},
+	{
+		.name		= "splash",
+		.offset		= 0x007e0000,
+		.size		= 0x00010000,		/* 64KiB */
+	},
+	{
+		.name           = "env",
+		.offset         = 0x007f0000,
+		.size           = 0x00010000,
+		.mask_flags     = MTD_WRITEABLE,
+	},
+};
+
+static struct physmap_flash_data flash_system = {
+	.width		= 2,
+	.nr_parts	= ARRAY_SIZE(flash_parts_system),
+	.parts		= flash_parts_system,
+};
+
+static struct resource flash_resource_system = {
+	.start		= 0x00000000,
+	.end		= 0x007fffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device_system = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.resource	= &flash_resource_system,
+	.num_resources	= 1,
+	.dev		= {
+		.platform_data = &flash_system,
+	},
+};
+
+/* data flash definition */
+
+static struct mtd_partition flash_parts_data[] = {
+	{
+		.name		= "data",
+		.offset		= 0x00000000,
+		.size		= 0x00800000,
+	},
+};
+
+static struct physmap_flash_data flash_data = {
+	.width		= 2,
+	.nr_parts	= ARRAY_SIZE(flash_parts_data),
+	.parts		= flash_parts_data,
+};
+
+static struct resource flash_resource_data = {
+	.start		= 0x08000000,
+	.end		= 0x087fffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device_data = {
+	.name		= "physmap-flash",
+	.id		= 1,
+	.resource	= &flash_resource_data,
+	.num_resources	= 1,
+	.dev		= {
+		.platform_data = &flash_data,
+	},
+};
+
+/* This needs to be called after the SMC has been initialized */
+static int __init mimc200_flash_init(void)
+{
+	int ret;
+
+	smc_set_timing(&flash_config, &flash_timing);
+	ret = smc_set_configuration(0, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "mimc200: failed to set 'System' NOR flash timing\n");
+		return ret;
+	}
+	ret = smc_set_configuration(1, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "mimc200: failed to set 'Data' NOR flash timing\n");
+		return ret;
+	}
+
+	platform_device_register(&flash_device_system);
+	platform_device_register(&flash_device_data);
+
+	return 0;
+}
+device_initcall(mimc200_flash_init);
diff --git a/arch/avr32/boards/mimc200/fram.c b/arch/avr32/boards/mimc200/fram.c
new file mode 100644
index 00000000000..54fbd95cee9
--- /dev/null
+++ b/arch/avr32/boards/mimc200/fram.c
@@ -0,0 +1,80 @@
+/*
+ * FRAM driver for MIMC200 board
+ *
+ * Copyright 2008 Mark Jackson <mpfj@mimc.co.uk>
+ *
+ * This module adds *very* simply support for the system's FRAM device.
+ * At the moment, this is hard-coded to the MIMC200 platform, and only
+ * supports mmap().
+ */
+
+#define FRAM_VERSION	"1.0"
+
+#include <linux/miscdevice.h>
+#include <linux/proc_fs.h>
+#include <linux/mm.h>
+#include <linux/io.h>
+
+#define FRAM_BASE	0xac000000
+#define FRAM_SIZE	0x20000
+
+/*
+ * The are the file operation function for user access to /dev/fram
+ */
+
+static int fram_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	int ret;
+
+	ret = remap_pfn_range(vma,
+		vma->vm_start,
+		virt_to_phys((void *)((unsigned long)FRAM_BASE)) >> PAGE_SHIFT,
+		vma->vm_end-vma->vm_start,
+		PAGE_SHARED);
+
+	if (ret != 0)
+		return -EAGAIN;
+
+	return 0;
+}
+
+static const struct file_operations fram_fops = {
+	.owner			= THIS_MODULE,
+	.mmap			= fram_mmap,
+};
+
+#define FRAM_MINOR	0
+
+static struct miscdevice fram_dev = {
+	FRAM_MINOR,
+	"fram",
+	&fram_fops
+};
+
+static int __init
+fram_init(void)
+{
+	int ret;
+
+	ret = misc_register(&fram_dev);
+	if (ret) {
+		printk(KERN_ERR "fram: can't misc_register on minor=%d\n",
+		    FRAM_MINOR);
+		return ret;
+	}
+	printk(KERN_INFO "FRAM memory driver v" FRAM_VERSION "\n");
+	return 0;
+}
+
+static void __exit
+fram_cleanup_module(void)
+{
+	misc_deregister(&fram_dev);
+}
+
+module_init(fram_init);
+module_exit(fram_cleanup_module);
+
+MODULE_LICENSE("GPL");
+
+MODULE_ALIAS_MISCDEV(FRAM_MINOR);
diff --git a/arch/avr32/boards/mimc200/setup.c b/arch/avr32/boards/mimc200/setup.c
new file mode 100644
index 00000000000..397cbb8f44c
--- /dev/null
+++ b/arch/avr32/boards/mimc200/setup.c
@@ -0,0 +1,237 @@
+/*
+ * Board-specific setup code for the MIMC200
+ *
+ * Copyright (C) 2008 Mercury IMC Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+extern struct atmel_lcdfb_info mimc200_lcdc_data;
+
+#include <linux/clk.h>
+#include <linux/etherdevice.h>
+#include <linux/i2c-gpio.h>
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/leds.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
+
+#include <video/atmel_lcdc.h>
+#include <linux/fb.h>
+
+#include <asm/atmel-mci.h>
+#include <linux/io.h>
+#include <asm/setup.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+#include <mach/init.h>
+#include <mach/portmux.h>
+
+/* Oscillator frequencies. These are board-specific */
+unsigned long at32_board_osc_rates[3] = {
+	[0] = 32768,	/* 32.768 kHz on RTC osc */
+	[1] = 10000000,	/* 10 MHz on osc0 */
+	[2] = 12000000,	/* 12 MHz on osc1 */
+};
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+static struct fb_videomode __initdata tx14d14_modes[] = {
+	{
+		.name		= "640x480 @ 60",
+		.refresh	= 60,
+		.xres		= 640,		.yres		= 480,
+		.pixclock	= KHZ2PICOS(11666),
+
+		.left_margin	= 80,		.right_margin	= 1,
+		.upper_margin	= 13,		.lower_margin	= 2,
+		.hsync_len	= 64,		.vsync_len	= 1,
+
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs __initdata mimc200_default_monspecs = {
+	.manufacturer		= "HIT",
+	.monitor		= "TX14D14VM1BAB",
+	.modedb			= tx14d14_modes,
+	.modedb_len		= ARRAY_SIZE(tx14d14_modes),
+	.hfmin			= 14820,
+	.hfmax			= 22230,
+	.vfmin			= 60,
+	.vfmax			= 73.3,
+	.dclkmax		= 25200000,
+};
+
+struct atmel_lcdfb_info __initdata mimc200_lcdc_data = {
+	.default_bpp		= 16,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_INVCLK
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &mimc200_default_monspecs,
+	.guard_time		= 2,
+};
+
+struct eth_addr {
+	u8 addr[6];
+};
+static struct eth_addr __initdata hw_addr[2];
+static struct eth_platform_data __initdata eth_data[2];
+
+static struct spi_eeprom eeprom_25lc010 = {
+		.name = "25lc010",
+		.byte_len = 128,
+		.page_size = 16,
+		.flags = EE_ADDR1,
+};
+
+static struct spi_board_info spi0_board_info[] __initdata = {
+	{
+		.modalias	= "rtc-ds1390",
+		.max_speed_hz	= 4000000,
+		.chip_select	= 2,
+	},
+	{
+		.modalias	= "at25",
+		.max_speed_hz	= 1000000,
+		.chip_select	= 1,
+		.mode		= SPI_MODE_3,
+		.platform_data	= &eeprom_25lc010,
+	},
+};
+
+static struct mci_platform_data __initdata mci0_data = {
+	.slot[0] = {
+		.bus_width	= 4,
+		.detect_pin	= GPIO_PIN_PA(26),
+		.wp_pin		= GPIO_PIN_PA(27),
+	},
+};
+
+/*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+ * ethernet address. But we need to keep it around for a while until
+ * we can be reasonably sure the boot loader does this.
+ *
+ * The phy_id is ignored as the driver will probe for it.
+ */
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+	int i;
+
+	i = tag->u.ethernet.mac_index;
+	if (i < ARRAY_SIZE(hw_addr))
+		memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+		       sizeof(hw_addr[i].addr));
+
+	return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	const u8 *addr;
+	void __iomem *regs;
+	struct clk *pclk;
+
+	if (!res)
+		return;
+	if (pdev->id >= ARRAY_SIZE(hw_addr))
+		return;
+
+	addr = hw_addr[pdev->id].addr;
+	if (!is_valid_ether_addr(addr))
+		return;
+
+	/*
+	 * Since this is board-specific code, we'll cheat and use the
+	 * physical address directly as we happen to know that it's
+	 * the same as the virtual address.
+	 */
+	regs = (void __iomem __force *)res->start;
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (!pclk)
+		return;
+
+	clk_enable(pclk);
+	__raw_writel((addr[3] << 24) | (addr[2] << 16)
+		     | (addr[1] << 8) | addr[0], regs + 0x98);
+	__raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+	clk_disable(pclk);
+	clk_put(pclk);
+}
+
+void __init setup_board(void)
+{
+	at32_map_usart(0, 0);	/* USART 0: /dev/ttyS0 (TTL --> Altera) */
+	at32_map_usart(1, 1);	/* USART 1: /dev/ttyS1 (RS232) */
+	at32_map_usart(2, 2);	/* USART 2: /dev/ttyS2 (RS485) */
+	at32_map_usart(3, 3);	/* USART 3: /dev/ttyS3 (RS422 Multidrop) */
+}
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+	.sda_pin		= GPIO_PIN_PA(6),
+	.scl_pin		= GPIO_PIN_PA(7),
+	.sda_is_open_drain	= 1,
+	.scl_is_open_drain	= 1,
+	.udelay			= 2,	/* close to 100 kHz */
+};
+
+static struct platform_device i2c_gpio_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+	.platform_data	= &i2c_gpio_data,
+	},
+};
+
+static struct i2c_board_info __initdata i2c_info[] = {
+};
+
+static int __init mimc200_init(void)
+{
+	/*
+	 * MIMC200 uses 16-bit SDRAM interface, so we don't need to
+	 * reserve any pins for it.
+	 */
+
+	at32_add_system_devices();
+
+	at32_add_device_usart(0);
+	at32_add_device_usart(1);
+	at32_add_device_usart(2);
+	at32_add_device_usart(3);
+
+	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
+	set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
+
+	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+	at32_add_device_mci(0, &mci0_data);
+	at32_add_device_usba(0, NULL);
+
+	at32_select_periph(GPIO_PIOB_BASE, 1 << 28, 0, AT32_GPIOF_PULLUP);
+	at32_select_gpio(i2c_gpio_data.sda_pin,
+		AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	at32_select_gpio(i2c_gpio_data.scl_pin,
+		AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	platform_device_register(&i2c_gpio_device);
+	i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
+
+	at32_add_device_lcdc(0, &mimc200_lcdc_data,
+			     fbmem_start, fbmem_size, 1);
+
+	return 0;
+}
+postcore_initcall(mimc200_init);
-- 
GitLab


From f040932fce4bc654828f650cd82cb6ea8b22d8bd Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Date: Mon, 13 Oct 2008 17:01:34 +0200
Subject: [PATCH 0423/2224] avr32: Add defconfig for the mimc200 board

Provided by Mark Jackson.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/configs/mimc200_defconfig | 1109 ++++++++++++++++++++++++++
 1 file changed, 1109 insertions(+)
 create mode 100644 arch/avr32/configs/mimc200_defconfig

diff --git a/arch/avr32/configs/mimc200_defconfig b/arch/avr32/configs/mimc200_defconfig
new file mode 100644
index 00000000000..981e4f8b8ae
--- /dev/null
+++ b/arch/avr32/configs/mimc200_defconfig
@@ -0,0 +1,1109 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.27-rc8
+# Mon Oct 13 15:46:53 2008
+#
+CONFIG_AVR32=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_BUG=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BSD_PROCESS_ACCT_V3=y
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_BASE_FULL is not set
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+# CONFIG_OPROFILE is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
+# CONFIG_HAVE_IOREMAP_PROT is not set
+CONFIG_HAVE_KPROBES=y
+# CONFIG_HAVE_KRETPROBES is not set
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
+# CONFIG_HAVE_DMA_ATTRS is not set
+# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_CLK=y
+CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=1
+# CONFIG_MODULES is not set
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type and features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_SUBARCH_AVR32B=y
+CONFIG_MMU=y
+CONFIG_PERFORMANCE_COUNTERS=y
+CONFIG_PLATFORM_AT32AP=y
+CONFIG_CPU_AT32AP700X=y
+CONFIG_CPU_AT32AP7000=y
+# CONFIG_BOARD_ATSTK1000 is not set
+# CONFIG_BOARD_ATNGW100 is not set
+CONFIG_BOARD_MIMC200=y
+CONFIG_LOADER_U_BOOT=y
+
+#
+# Atmel AVR32 AP options
+#
+# CONFIG_AP700X_32_BIT_SMC is not set
+CONFIG_AP700X_16_BIT_SMC=y
+# CONFIG_AP700X_8_BIT_SMC is not set
+CONFIG_LOAD_ADDRESS=0x10000000
+CONFIG_ENTRY_ADDRESS=0x90000000
+CONFIG_PHYS_OFFSET=0x10000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_QUICKLIST=y
+# CONFIG_HAVE_ARCH_BOOTMEM_NODE is not set
+# CONFIG_ARCH_HAVE_MEMORY_PRESENT is not set
+# CONFIG_NEED_NODE_MEMMAP_SIZE is not set
+CONFIG_ARCH_FLATMEM_ENABLE=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+# CONFIG_ARCH_SPARSEMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_OWNERSHIP_TRACE is not set
+CONFIG_NMI_DEBUGGING=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+CONFIG_SCHED_HRTICK=y
+CONFIG_CMDLINE=""
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# CPU Frequency scaling
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+# CONFIG_CPU_FREQ_STAT is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_AT32AP=y
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_XFRM_USER=y
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=y
+CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+# CONFIG_IP_PIMSM_V2 is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+CONFIG_INET_AH=y
+CONFIG_INET_ESP=y
+CONFIG_INET_IPCOMP=y
+CONFIG_INET_XFRM_TUNNEL=y
+CONFIG_INET_TUNNEL=y
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=y
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=y
+CONFIG_INET6_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_TRANSPORT=y
+CONFIG_INET6_XFRM_MODE_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_BEET=y
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=y
+CONFIG_IPV6_NDISC_NODETYPE=y
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x80000000
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+CONFIG_MTD_DATAFLASH=y
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ATMEL_PWM is not set
+CONFIG_ATMEL_TCLIB=y
+CONFIG_ATMEL_TCB_CLKSRC=y
+CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ATMEL_SSC is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HAVE_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+CONFIG_MACB=y
+# CONFIG_ENC28J60 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+# CONFIG_DEVKMEM is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+CONFIG_SERIAL_ATMEL_PDC=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+CONFIG_I2C_ALGOBIT=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_GPIO=y
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+CONFIG_AT24=y
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_DS28CM00 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+CONFIG_SPI_AT25=y
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+CONFIG_GPIO_SYSFS=y
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_AT32AP700X_WDT=y
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_ATMEL=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_LOGO is not set
+# CONFIG_SOUND is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+CONFIG_MMC_TEST=y
+
+#
+# MMC/SD Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+CONFIG_MMC_ATMELMCI=y
+# CONFIG_MMC_ATMELMCI_DMA is not set
+CONFIG_MMC_SPI=y
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_GPIO=y
+# CONFIG_LEDS_PCA955X is not set
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+CONFIG_RTC_DRV_DS1390=y
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_RTC_DRV_AT32AP700X is not set
+CONFIG_DMADEVICES=y
+
+#
+# DMA Devices
+#
+CONFIG_DW_DMAC=y
+CONFIG_DMA_ENGINE=y
+
+#
+# DMA Clients
+#
+# CONFIG_NET_DMA is not set
+# CONFIG_DMATEST is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=850
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_CONFIGFS_FS=y
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=y
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=y
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=y
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+CONFIG_CRYPTO_SHA1=y
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_ARC4=y
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+CONFIG_CRYPTO_DEFLATE=y
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+CONFIG_CRC_ITU_T=y
+CONFIG_CRC32=y
+CONFIG_CRC7=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
-- 
GitLab


From dc4304f7deee29fcdf6a2b62f7146ea7f505fd42 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 13 Oct 2008 10:32:15 -0400
Subject: [PATCH 0424/2224] rangetimers: fix the bug reported by Ingo for real

and please hand me a brown paper bag

(thanks to Thomas for pointing out this very obvious bug)

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 kernel/hrtimer.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index b17657d8d81..2bd230be1cb 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1395,15 +1395,11 @@ void hrtimer_peek_ahead_timers(void)
 	unsigned long flags;
 	struct tick_device *td;
 	struct clock_event_device *dev;
-	struct hrtimer_cpu_base *cpu_base;
-	if (hrtimer_hres_active())
+
+	if (!hrtimer_hres_active())
 		return;
 
 	local_irq_save(flags);
-	cpu_base = &__get_cpu_var(hrtimer_bases);
-	if (!cpu_base->hres_active)
-		goto out;
-
 	td = &__get_cpu_var(tick_cpu_device);
 	if (!td)
 		goto out;
-- 
GitLab


From 5d4488027d9cf3161c71566dfabb116bf69ab4d9 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@linux.intel.com>
Date: Mon, 18 Aug 2008 14:49:47 +0200
Subject: [PATCH 0425/2224] oprofile: drop const in num counters field

allow to modify it at runtime

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_x86_model.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index 05a0261ba0c..3d3b85d3c25 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -34,8 +34,8 @@ struct pt_regs;
 struct op_x86_model_spec {
 	int (*init)(struct oprofile_operations *ops);
 	void (*exit)(void);
-	unsigned int const num_counters;
-	unsigned int const num_controls;
+	unsigned int num_counters;
+	unsigned int num_controls;
 	void (*fill_in_addresses)(struct op_msrs * const msrs);
 	void (*setup_ctrs)(struct op_msrs const * const msrs);
 	int (*check_ctrs)(struct pt_regs * const regs,
-- 
GitLab


From f645f6406463a01869c50844befc76d528971690 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@linux.intel.com>
Date: Wed, 20 Aug 2008 17:22:02 +0200
Subject: [PATCH 0426/2224] oprofile: Don't report Nehalem as core_2

This essentially reverts Linus' earlier 4b9f12a3779c548b68bc9af7d94030868ad3aa1b
commit. Nehalem is not core_2, so it shouldn't be reported as such.
However with the earlier arch perfmon patch it will fall back to
arch perfmon mode now, so there is no need to fake it as core_2.
The only drawback is that Linus will need to patch the arch perfmon
support into his oprofile binary now, but I think he can do that.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/nmi_int.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 57f6c908808..1059f3fe6b1 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -420,9 +420,6 @@ static int __init ppro_init(char **cpu_type)
 	case 15: case 23:
 		*cpu_type = "i386/core_2";
 		break;
-	case 26:
-		*cpu_type = "i386/core_2";
-		break;
 	default:
 		/* Unknown */
 		return 0;
-- 
GitLab


From b99170288421c79f0c2efa8b33e26e65f4bb7fb8 Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@linux.intel.com>
Date: Mon, 18 Aug 2008 14:50:31 +0200
Subject: [PATCH 0427/2224] oprofile: Implement Intel architectural perfmon
 support

Newer Intel CPUs (Core1+) have support for architectural
events described in CPUID 0xA. See the IA32 SDM Vol3b.18 for details.

The advantage of this is that it can be done without knowing about
the specific CPU, because the CPU describes by itself what
performance events are supported. This is only a fallback
because only a limited set of 6 events are supported.
This allows to do profiling on Nehalem and on Atom systems
(later not tested)

This patch implements support for that in oprofile's Intel
Family 6 profiling module. It also has the advantage of supporting
an arbitary number of events now as reported by the CPU.
Also allow arbitary counter widths >32bit while we're at it.

Requires a patched oprofile userland to support the new
architecture.

v2: update for latest oprofile tree
    remove force_arch_perfmon

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/nmi_int.c       |  23 +++++--
 arch/x86/oprofile/op_model_ppro.c | 104 +++++++++++++++++++++++-------
 arch/x86/oprofile/op_x86_model.h  |   3 +
 3 files changed, 102 insertions(+), 28 deletions(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 1059f3fe6b1..12d6f85084f 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -429,6 +429,16 @@ static int __init ppro_init(char **cpu_type)
 	return 1;
 }
 
+static int __init arch_perfmon_init(char **cpu_type)
+{
+	if (!cpu_has_arch_perfmon)
+		return 0;
+	*cpu_type = "i386/arch_perfmon";
+	model = &op_arch_perfmon_spec;
+	arch_perfmon_setup_counters();
+	return 1;
+}
+
 /* in order to get sysfs right */
 static int using_nmi;
 
@@ -436,7 +446,7 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 {
 	__u8 vendor = boot_cpu_data.x86_vendor;
 	__u8 family = boot_cpu_data.x86;
-	char *cpu_type;
+	char *cpu_type = NULL;
 	int ret = 0;
 
 	if (!cpu_has_apic)
@@ -474,19 +484,20 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 		switch (family) {
 			/* Pentium IV */
 		case 0xf:
-			if (!p4_init(&cpu_type))
-				return -ENODEV;
+			p4_init(&cpu_type);
 			break;
 
 			/* A P6-class processor */
 		case 6:
-			if (!ppro_init(&cpu_type))
-				return -ENODEV;
+			ppro_init(&cpu_type);
 			break;
 
 		default:
-			return -ENODEV;
+			break;
 		}
+
+		if (!cpu_type && !arch_perfmon_init(&cpu_type))
+			return -ENODEV;
 		break;
 
 	default:
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index eff431f6c57..12e207a67f1 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -1,32 +1,34 @@
 /*
  * @file op_model_ppro.h
- * pentium pro / P6 model-specific MSR operations
+ * Family 6 perfmon and architectural perfmon MSR operations
  *
  * @remark Copyright 2002 OProfile authors
+ * @remark Copyright 2008 Intel Corporation
  * @remark Read the file COPYING
  *
  * @author John Levon
  * @author Philippe Elie
  * @author Graydon Hoare
+ * @author Andi Kleen
  */
 
 #include <linux/oprofile.h>
+#include <linux/slab.h>
 #include <asm/ptrace.h>
 #include <asm/msr.h>
 #include <asm/apic.h>
 #include <asm/nmi.h>
+#include <asm/intel_arch_perfmon.h>
 
 #include "op_x86_model.h"
 #include "op_counter.h"
 
-#define NUM_COUNTERS 2
-#define NUM_CONTROLS 2
+static int num_counters = 2;
+static int counter_width = 32;
 
 #define CTR_IS_RESERVED(msrs, c) (msrs->counters[(c)].addr ? 1 : 0)
 #define CTR_READ(l, h, msrs, c) do {rdmsr(msrs->counters[(c)].addr, (l), (h)); } while (0)
-#define CTR_32BIT_WRITE(l, msrs, c)	\
-	do {wrmsr(msrs->counters[(c)].addr, -(u32)(l), 0); } while (0)
-#define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
+#define CTR_OVERFLOWED(n) (!((n) & (1U<<(counter_width-1))))
 
 #define CTRL_IS_RESERVED(msrs, c) (msrs->controls[(c)].addr ? 1 : 0)
 #define CTRL_READ(l, h, msrs, c) do {rdmsr((msrs->controls[(c)].addr), (l), (h)); } while (0)
@@ -40,20 +42,20 @@
 #define CTRL_SET_UM(val, m) (val |= (m << 8))
 #define CTRL_SET_EVENT(val, e) (val |= e)
 
-static unsigned long reset_value[NUM_COUNTERS];
+static u64 *reset_value;
 
 static void ppro_fill_in_addresses(struct op_msrs * const msrs)
 {
 	int i;
 
-	for (i = 0; i < NUM_COUNTERS; i++) {
+	for (i = 0; i < num_counters; i++) {
 		if (reserve_perfctr_nmi(MSR_P6_PERFCTR0 + i))
 			msrs->counters[i].addr = MSR_P6_PERFCTR0 + i;
 		else
 			msrs->counters[i].addr = 0;
 	}
 
-	for (i = 0; i < NUM_CONTROLS; i++) {
+	for (i = 0; i < num_counters; i++) {
 		if (reserve_evntsel_nmi(MSR_P6_EVNTSEL0 + i))
 			msrs->controls[i].addr = MSR_P6_EVNTSEL0 + i;
 		else
@@ -67,8 +69,22 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs)
 	unsigned int low, high;
 	int i;
 
+	if (!reset_value) {
+		reset_value = kmalloc(sizeof(unsigned) * num_counters,
+					GFP_ATOMIC);
+		if (!reset_value)
+			return;
+	}
+
+	if (cpu_has_arch_perfmon) {
+		union cpuid10_eax eax;
+		eax.full = cpuid_eax(0xa);
+		if (counter_width < eax.split.bit_width)
+			counter_width = eax.split.bit_width;
+	}
+
 	/* clear all counters */
-	for (i = 0 ; i < NUM_CONTROLS; ++i) {
+	for (i = 0 ; i < num_counters; ++i) {
 		if (unlikely(!CTRL_IS_RESERVED(msrs, i)))
 			continue;
 		CTRL_READ(low, high, msrs, i);
@@ -77,18 +93,18 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs)
 	}
 
 	/* avoid a false detection of ctr overflows in NMI handler */
-	for (i = 0; i < NUM_COUNTERS; ++i) {
+	for (i = 0; i < num_counters; ++i) {
 		if (unlikely(!CTR_IS_RESERVED(msrs, i)))
 			continue;
-		CTR_32BIT_WRITE(1, msrs, i);
+		wrmsrl(msrs->counters[i].addr, -1LL);
 	}
 
 	/* enable active counters */
-	for (i = 0; i < NUM_COUNTERS; ++i) {
+	for (i = 0; i < num_counters; ++i) {
 		if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs, i))) {
 			reset_value[i] = counter_config[i].count;
 
-			CTR_32BIT_WRITE(counter_config[i].count, msrs, i);
+			wrmsrl(msrs->counters[i].addr, -reset_value[i]);
 
 			CTRL_READ(low, high, msrs, i);
 			CTRL_CLEAR(low);
@@ -111,13 +127,13 @@ static int ppro_check_ctrs(struct pt_regs * const regs,
 	unsigned int low, high;
 	int i;
 
-	for (i = 0 ; i < NUM_COUNTERS; ++i) {
+	for (i = 0 ; i < num_counters; ++i) {
 		if (!reset_value[i])
 			continue;
 		CTR_READ(low, high, msrs, i);
 		if (CTR_OVERFLOWED(low)) {
 			oprofile_add_sample(regs, i);
-			CTR_32BIT_WRITE(reset_value[i], msrs, i);
+			wrmsrl(msrs->counters[i].addr, -reset_value[i]);
 		}
 	}
 
@@ -141,7 +157,7 @@ static void ppro_start(struct op_msrs const * const msrs)
 	unsigned int low, high;
 	int i;
 
-	for (i = 0; i < NUM_COUNTERS; ++i) {
+	for (i = 0; i < num_counters; ++i) {
 		if (reset_value[i]) {
 			CTRL_READ(low, high, msrs, i);
 			CTRL_SET_ACTIVE(low);
@@ -156,7 +172,7 @@ static void ppro_stop(struct op_msrs const * const msrs)
 	unsigned int low, high;
 	int i;
 
-	for (i = 0; i < NUM_COUNTERS; ++i) {
+	for (i = 0; i < num_counters; ++i) {
 		if (!reset_value[i])
 			continue;
 		CTRL_READ(low, high, msrs, i);
@@ -169,21 +185,65 @@ static void ppro_shutdown(struct op_msrs const * const msrs)
 {
 	int i;
 
-	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
+	for (i = 0 ; i < num_counters ; ++i) {
 		if (CTR_IS_RESERVED(msrs, i))
 			release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
 	}
-	for (i = 0 ; i < NUM_CONTROLS ; ++i) {
+	for (i = 0 ; i < num_counters ; ++i) {
 		if (CTRL_IS_RESERVED(msrs, i))
 			release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
 	}
+	if (reset_value) {
+		kfree(reset_value);
+		reset_value = NULL;
+	}
 }
 
 
 struct op_x86_model_spec const op_ppro_spec = {
-	.num_counters = NUM_COUNTERS,
-	.num_controls = NUM_CONTROLS,
+	.num_counters = 2,
+	.num_controls = 2,
+	.fill_in_addresses = &ppro_fill_in_addresses,
+	.setup_ctrs = &ppro_setup_ctrs,
+	.check_ctrs = &ppro_check_ctrs,
+	.start = &ppro_start,
+	.stop = &ppro_stop,
+	.shutdown = &ppro_shutdown
+};
+
+/*
+ * Architectural performance monitoring.
+ *
+ * Newer Intel CPUs (Core1+) have support for architectural
+ * events described in CPUID 0xA. See the IA32 SDM Vol3b.18 for details.
+ * The advantage of this is that it can be done without knowing about
+ * the specific CPU.
+ */
+
+void arch_perfmon_setup_counters(void)
+{
+	union cpuid10_eax eax;
+
+	eax.full = cpuid_eax(0xa);
+
+	/* Workaround for BIOS bugs in 6/15. Taken from perfmon2 */
+	if (eax.split.version_id == 0 && current_cpu_data.x86 == 6 &&
+		current_cpu_data.x86_model == 15) {
+		eax.split.version_id = 2;
+		eax.split.num_counters = 2;
+		eax.split.bit_width = 40;
+	}
+
+	num_counters = eax.split.num_counters;
+
+	op_arch_perfmon_spec.num_counters = num_counters;
+	op_arch_perfmon_spec.num_controls = num_counters;
+}
+
+struct op_x86_model_spec op_arch_perfmon_spec = {
+	/* num_counters/num_controls filled in at runtime */
 	.fill_in_addresses = &ppro_fill_in_addresses,
+	/* user space does the cpuid check for available events */
 	.setup_ctrs = &ppro_setup_ctrs,
 	.check_ctrs = &ppro_check_ctrs,
 	.start = &ppro_start,
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index 3d3b85d3c25..0b601893a4d 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -49,5 +49,8 @@ extern struct op_x86_model_spec const op_ppro_spec;
 extern struct op_x86_model_spec const op_p4_spec;
 extern struct op_x86_model_spec const op_p4_ht2_spec;
 extern struct op_x86_model_spec const op_amd_spec;
+extern struct op_x86_model_spec op_arch_perfmon_spec;
+
+extern void arch_perfmon_setup_counters(void);
 
 #endif /* OP_X86_MODEL_H */
-- 
GitLab


From 59512900baab03c5629f2ff5efad1d5d4e682ece Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@linux.intel.com>
Date: Mon, 29 Sep 2008 22:23:33 +0200
Subject: [PATCH 0428/2224] oprofile: discover counters for op ppro too

Discover number of counters for all family 6 models even when not
in arch perfmon mode.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_model_ppro.c | 8 +++++---
 arch/x86/oprofile/op_x86_model.h  | 2 +-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index 12e207a67f1..f5a226823e9 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -200,9 +200,9 @@ static void ppro_shutdown(struct op_msrs const * const msrs)
 }
 
 
-struct op_x86_model_spec const op_ppro_spec = {
-	.num_counters = 2,
-	.num_controls = 2,
+struct op_x86_model_spec op_ppro_spec = {
+	.num_counters = 2,	/* can be overriden */
+	.num_controls = 2,	/* dito */
 	.fill_in_addresses = &ppro_fill_in_addresses,
 	.setup_ctrs = &ppro_setup_ctrs,
 	.check_ctrs = &ppro_check_ctrs,
@@ -238,6 +238,8 @@ void arch_perfmon_setup_counters(void)
 
 	op_arch_perfmon_spec.num_counters = num_counters;
 	op_arch_perfmon_spec.num_controls = num_counters;
+	op_ppro_spec.num_counters = num_counters;
+	op_ppro_spec.num_controls = num_counters;
 }
 
 struct op_x86_model_spec op_arch_perfmon_spec = {
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index 0b601893a4d..596de7a5559 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -45,7 +45,7 @@ struct op_x86_model_spec {
 	void (*shutdown)(struct op_msrs const * const msrs);
 };
 
-extern struct op_x86_model_spec const op_ppro_spec;
+extern struct op_x86_model_spec op_ppro_spec;
 extern struct op_x86_model_spec const op_p4_spec;
 extern struct op_x86_model_spec const op_p4_ht2_spec;
 extern struct op_x86_model_spec const op_amd_spec;
-- 
GitLab


From 8f808417fe211648c0816e28947cdc74eb1e1032 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Tue, 26 Feb 2008 19:47:03 +0200
Subject: [PATCH 0429/2224] CRIS: proper defconfig setup

This patch moves the cris defconfigs to arch/cris/configs/ where they
belong.

As a side effect they can now be used directly through e.g.
  make ARCH=cris artpec_3_defconfig

The default defconfig is set through KBUILD_DEFCONFIG.

Signed-off-by: Adrian Bunk <adrian.bunk@movial.fi>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
---
 arch/cris/Makefile                                              | 2 ++
 arch/cris/{ => configs}/artpec_3_defconfig                      | 0
 arch/cris/{arch-v10/defconfig => configs/etrax-100lx_defconfig} | 0
 arch/cris/{defconfig => configs/etrax-100lx_v2_defconfig}       | 0
 arch/cris/{ => configs}/etraxfs_defconfig                       | 0
 5 files changed, 2 insertions(+)
 rename arch/cris/{ => configs}/artpec_3_defconfig (100%)
 rename arch/cris/{arch-v10/defconfig => configs/etrax-100lx_defconfig} (100%)
 rename arch/cris/{defconfig => configs/etrax-100lx_v2_defconfig} (100%)
 rename arch/cris/{ => configs}/etraxfs_defconfig (100%)

diff --git a/arch/cris/Makefile b/arch/cris/Makefile
index 838cd2ae03a..c6f5f5a2ffd 100644
--- a/arch/cris/Makefile
+++ b/arch/cris/Makefile
@@ -10,6 +10,8 @@
 # License.  See the file "COPYING" in the main directory of this archive
 # for more details.
 
+KBUILD_DEFCONFIG := etrax-100lx_v2_defconfig
+
 arch-y := v10
 arch-$(CONFIG_ETRAX_ARCH_V10) := v10
 arch-$(CONFIG_ETRAX_ARCH_V32) := v32
diff --git a/arch/cris/artpec_3_defconfig b/arch/cris/configs/artpec_3_defconfig
similarity index 100%
rename from arch/cris/artpec_3_defconfig
rename to arch/cris/configs/artpec_3_defconfig
diff --git a/arch/cris/arch-v10/defconfig b/arch/cris/configs/etrax-100lx_defconfig
similarity index 100%
rename from arch/cris/arch-v10/defconfig
rename to arch/cris/configs/etrax-100lx_defconfig
diff --git a/arch/cris/defconfig b/arch/cris/configs/etrax-100lx_v2_defconfig
similarity index 100%
rename from arch/cris/defconfig
rename to arch/cris/configs/etrax-100lx_v2_defconfig
diff --git a/arch/cris/etraxfs_defconfig b/arch/cris/configs/etraxfs_defconfig
similarity index 100%
rename from arch/cris/etraxfs_defconfig
rename to arch/cris/configs/etraxfs_defconfig
-- 
GitLab


From 86f69fe9c069dd8608d238581eea259caa1dfc99 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 13 Oct 2008 14:32:52 -0700
Subject: [PATCH 0430/2224] Staging: workaround build system bug

This is needed as CONFIG_STAGING is set to y, yet there is no code in
drivers/staging/ to build, so the build-in.o doesn't get created
properly.  Create a "dummy" module in drivers/staging called staging.c
to work around this bug.

Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Makefile  |  3 +++
 drivers/staging/staging.c | 19 +++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 drivers/staging/staging.c

diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 93decb89b1d..7c466e94fd9 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -1,5 +1,8 @@
 # Makefile for staging directory
 
+# fix for build system bug...
+obj-$(CONFIG_STAGING)		+= staging.o
+
 obj-$(CONFIG_ET131X)		+= et131x/
 obj-$(CONFIG_SLICOSS)		+= slicoss/
 obj-$(CONFIG_SXG)		+= sxg/
diff --git a/drivers/staging/staging.c b/drivers/staging/staging.c
new file mode 100644
index 00000000000..233e589c093
--- /dev/null
+++ b/drivers/staging/staging.c
@@ -0,0 +1,19 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+static int __init staging_init(void)
+{
+	return 0;
+}
+
+static void __exit staging_exit(void)
+{
+}
+
+module_init(staging_init);
+module_exit(staging_exit);
+
+MODULE_AUTHOR("Greg Kroah-Hartman");
+MODULE_DESCRIPTION("Staging Core");
+MODULE_LICENSE("GPL");
-- 
GitLab


From 99e06e372378c5833a0c60274b645dfb2e4a4b08 Mon Sep 17 00:00:00 2001
From: Pavel Roskin <proski@gnu.org>
Date: Mon, 13 Oct 2008 14:33:13 -0700
Subject: [PATCH 0431/2224] staging: at76_usb wireless driver

Add the at76_usb wireless driver to the staging tree while the
other kernel driver (out of tree) gets rewritten to use the internal
wireless stack.

This patch comes directly from the Fedora kernel tree, with only the
directory placement of the files changed.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig             |    2 +
 drivers/staging/Makefile            |    1 +
 drivers/staging/at76_usb/Kconfig    |    8 +
 drivers/staging/at76_usb/Makefile   |    1 +
 drivers/staging/at76_usb/TODO       |    2 +
 drivers/staging/at76_usb/at76_usb.c | 5559 +++++++++++++++++++++++++++
 drivers/staging/at76_usb/at76_usb.h |  619 +++
 7 files changed, 6192 insertions(+)
 create mode 100644 drivers/staging/at76_usb/Kconfig
 create mode 100644 drivers/staging/at76_usb/Makefile
 create mode 100644 drivers/staging/at76_usb/TODO
 create mode 100644 drivers/staging/at76_usb/at76_usb.c
 create mode 100644 drivers/staging/at76_usb/at76_usb.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 25338b7eac9..2a79decd7df 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -41,4 +41,6 @@ source "drivers/staging/wlan-ng/Kconfig"
 
 source "drivers/staging/echo/Kconfig"
 
+source "drivers/staging/at76_usb/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 7c466e94fd9..325bca4f71c 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
 obj-$(CONFIG_W35UND)		+= winbond/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
 obj-$(CONFIG_ECHO)		+= echo/
+obj-$(CONFIG_USB_ATMEL)		+= at76_usb/
diff --git a/drivers/staging/at76_usb/Kconfig b/drivers/staging/at76_usb/Kconfig
new file mode 100644
index 00000000000..8606f962162
--- /dev/null
+++ b/drivers/staging/at76_usb/Kconfig
@@ -0,0 +1,8 @@
+config USB_ATMEL
+	tristate "Atmel at76c503/at76c505/at76c505a USB cards"
+	depends on WLAN_80211 && USB
+	default N
+	select FW_LOADER
+	---help---
+	  Enable support for USB Wireless devices using Atmel at76c503,
+	  at76c505 or at76c505a chips.
diff --git a/drivers/staging/at76_usb/Makefile b/drivers/staging/at76_usb/Makefile
new file mode 100644
index 00000000000..6a47e887230
--- /dev/null
+++ b/drivers/staging/at76_usb/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_USB_ATMEL)		+= at76_usb.o
diff --git a/drivers/staging/at76_usb/TODO b/drivers/staging/at76_usb/TODO
new file mode 100644
index 00000000000..6911ca71a41
--- /dev/null
+++ b/drivers/staging/at76_usb/TODO
@@ -0,0 +1,2 @@
+rewrite the driver to use the proper in-kernel wireless stack
+instead of using its own.
diff --git a/drivers/staging/at76_usb/at76_usb.c b/drivers/staging/at76_usb/at76_usb.c
new file mode 100644
index 00000000000..52df0c66518
--- /dev/null
+++ b/drivers/staging/at76_usb/at76_usb.c
@@ -0,0 +1,5559 @@
+/*
+ * at76c503/at76c505 USB driver
+ *
+ * Copyright (c) 2002 - 2003 Oliver Kurth
+ * Copyright (c) 2004 Joerg Albert <joerg.albert@gmx.de>
+ * Copyright (c) 2004 Nick Jones
+ * Copyright (c) 2004 Balint Seeber <n0_5p4m_p13453@hotmail.com>
+ * Copyright (c) 2007 Guido Guenther <agx@sigxcpu.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This file is part of the Berlios driver for WLAN USB devices based on the
+ * Atmel AT76C503A/505/505A.
+ *
+ * Some iw_handler code was taken from airo.c, (C) 1999 Benjamin Reed
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/usb.h>
+#include <linux/netdevice.h>
+#include <linux/if_arp.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
+#include <net/ieee80211_radiotap.h>
+#include <linux/firmware.h>
+#include <linux/leds.h>
+#include <net/ieee80211.h>
+
+#include "at76_usb.h"
+
+/* Version information */
+#define DRIVER_NAME "at76_usb"
+#define DRIVER_VERSION	"0.17"
+#define DRIVER_DESC "Atmel at76x USB Wireless LAN Driver"
+
+/* at76_debug bits */
+#define DBG_PROGRESS		0x00000001	/* authentication/accociation */
+#define DBG_BSS_TABLE		0x00000002	/* show BSS table after scans */
+#define DBG_IOCTL		0x00000004	/* ioctl calls / settings */
+#define DBG_MAC_STATE		0x00000008	/* MAC state transitions */
+#define DBG_TX_DATA		0x00000010	/* tx header */
+#define DBG_TX_DATA_CONTENT	0x00000020	/* tx content */
+#define DBG_TX_MGMT		0x00000040	/* tx management */
+#define DBG_RX_DATA		0x00000080	/* rx data header */
+#define DBG_RX_DATA_CONTENT	0x00000100	/* rx data content */
+#define DBG_RX_MGMT		0x00000200	/* rx mgmt frame headers */
+#define DBG_RX_BEACON		0x00000400	/* rx beacon */
+#define DBG_RX_CTRL		0x00000800	/* rx control */
+#define DBG_RX_MGMT_CONTENT	0x00001000	/* rx mgmt content */
+#define DBG_RX_FRAGS		0x00002000	/* rx data fragment handling */
+#define DBG_DEVSTART		0x00004000	/* fw download, device start */
+#define DBG_URB			0x00008000	/* rx urb status, ... */
+#define DBG_RX_ATMEL_HDR	0x00010000	/* Atmel-specific Rx headers */
+#define DBG_PROC_ENTRY		0x00020000	/* procedure entries/exits */
+#define DBG_PM			0x00040000	/* power management settings */
+#define DBG_BSS_MATCH		0x00080000	/* BSS match failures */
+#define DBG_PARAMS		0x00100000	/* show configured parameters */
+#define DBG_WAIT_COMPLETE	0x00200000	/* command completion */
+#define DBG_RX_FRAGS_SKB	0x00400000	/* skb header of Rx fragments */
+#define DBG_BSS_TABLE_RM	0x00800000	/* purging bss table entries */
+#define DBG_MONITOR_MODE	0x01000000	/* monitor mode */
+#define DBG_MIB			0x02000000	/* dump all MIBs on startup */
+#define DBG_MGMT_TIMER		0x04000000	/* dump mgmt_timer ops */
+#define DBG_WE_EVENTS		0x08000000	/* dump wireless events */
+#define DBG_FW			0x10000000	/* firmware download */
+#define DBG_DFU			0x20000000	/* device firmware upgrade */
+
+#define DBG_DEFAULTS		0
+
+/* Use our own dbg macro */
+#define at76_dbg(bits, format, arg...) \
+	do { \
+		if (at76_debug & (bits)) \
+		printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , ## arg); \
+	} while (0)
+
+static int at76_debug = DBG_DEFAULTS;
+
+/* Protect against concurrent firmware loading and parsing */
+static struct mutex fw_mutex;
+
+static struct fwentry firmwares[] = {
+	[0] = {""},
+	[BOARD_503_ISL3861] = {"atmel_at76c503-i3861.bin"},
+	[BOARD_503_ISL3863] = {"atmel_at76c503-i3863.bin"},
+	[BOARD_503] = {"atmel_at76c503-rfmd.bin"},
+	[BOARD_503_ACC] = {"atmel_at76c503-rfmd-acc.bin"},
+	[BOARD_505] = {"atmel_at76c505-rfmd.bin"},
+	[BOARD_505_2958] = {"atmel_at76c505-rfmd2958.bin"},
+	[BOARD_505A] = {"atmel_at76c505a-rfmd2958.bin"},
+	[BOARD_505AMX] = {"atmel_at76c505amx-rfmd.bin"},
+};
+
+#define USB_DEVICE_DATA(__ops)	.driver_info = (kernel_ulong_t)(__ops)
+
+static struct usb_device_id dev_table[] = {
+	/*
+	 * at76c503-i3861
+	 */
+	/* Generic AT76C503/3861 device */
+	{USB_DEVICE(0x03eb, 0x7603), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Linksys WUSB11 v2.1/v2.6 */
+	{USB_DEVICE(0x066b, 0x2211), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Netgear MA101 rev. A */
+	{USB_DEVICE(0x0864, 0x4100), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Tekram U300C / Allnet ALL0193 */
+	{USB_DEVICE(0x0b3b, 0x1612), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* HP HN210W J7801A */
+	{USB_DEVICE(0x03f0, 0x011c), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Sitecom/Z-Com/Zyxel M4Y-750 */
+	{USB_DEVICE(0x0cde, 0x0001), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Dynalink/Askey WLL013 (intersil) */
+	{USB_DEVICE(0x069a, 0x0320), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* EZ connect 11Mpbs Wireless USB Adapter SMC2662W v1 */
+	{USB_DEVICE(0x0d5c, 0xa001), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* BenQ AWL300 */
+	{USB_DEVICE(0x04a5, 0x9000), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Addtron AWU-120, Compex WLU11 */
+	{USB_DEVICE(0x05dd, 0xff31), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Intel AP310 AnyPoint II USB */
+	{USB_DEVICE(0x8086, 0x0200), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Dynalink L11U */
+	{USB_DEVICE(0x0d8e, 0x7100), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* Arescom WL-210, FCC id 07J-GL2411USB */
+	{USB_DEVICE(0x0d8e, 0x7110), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* I-O DATA WN-B11/USB */
+	{USB_DEVICE(0x04bb, 0x0919), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/* BT Voyager 1010 */
+	{USB_DEVICE(0x069a, 0x0821), USB_DEVICE_DATA(BOARD_503_ISL3861)},
+	/*
+	 * at76c503-i3863
+	 */
+	/* Generic AT76C503/3863 device */
+	{USB_DEVICE(0x03eb, 0x7604), USB_DEVICE_DATA(BOARD_503_ISL3863)},
+	/* Samsung SWL-2100U */
+	{USB_DEVICE(0x055d, 0xa000), USB_DEVICE_DATA(BOARD_503_ISL3863)},
+	/*
+	 * at76c503-rfmd
+	 */
+	/* Generic AT76C503/RFMD device */
+	{USB_DEVICE(0x03eb, 0x7605), USB_DEVICE_DATA(BOARD_503)},
+	/* Dynalink/Askey WLL013 (rfmd) */
+	{USB_DEVICE(0x069a, 0x0321), USB_DEVICE_DATA(BOARD_503)},
+	/* Linksys WUSB11 v2.6 */
+	{USB_DEVICE(0x077b, 0x2219), USB_DEVICE_DATA(BOARD_503)},
+	/* Network Everywhere NWU11B */
+	{USB_DEVICE(0x077b, 0x2227), USB_DEVICE_DATA(BOARD_503)},
+	/* Netgear MA101 rev. B */
+	{USB_DEVICE(0x0864, 0x4102), USB_DEVICE_DATA(BOARD_503)},
+	/* D-Link DWL-120 rev. E */
+	{USB_DEVICE(0x2001, 0x3200), USB_DEVICE_DATA(BOARD_503)},
+	/* Actiontec 802UAT1, HWU01150-01UK */
+	{USB_DEVICE(0x1668, 0x7605), USB_DEVICE_DATA(BOARD_503)},
+	/* AirVast W-Buddie WN210 */
+	{USB_DEVICE(0x03eb, 0x4102), USB_DEVICE_DATA(BOARD_503)},
+	/* Dick Smith Electronics XH1153 802.11b USB adapter */
+	{USB_DEVICE(0x1371, 0x5743), USB_DEVICE_DATA(BOARD_503)},
+	/* CNet CNUSB611 */
+	{USB_DEVICE(0x1371, 0x0001), USB_DEVICE_DATA(BOARD_503)},
+	/* FiberLine FL-WL200U */
+	{USB_DEVICE(0x1371, 0x0002), USB_DEVICE_DATA(BOARD_503)},
+	/* BenQ AWL400 USB stick */
+	{USB_DEVICE(0x04a5, 0x9001), USB_DEVICE_DATA(BOARD_503)},
+	/* 3Com 3CRSHEW696 */
+	{USB_DEVICE(0x0506, 0x0a01), USB_DEVICE_DATA(BOARD_503)},
+	/* Siemens Santis ADSL WLAN USB adapter WLL 013 */
+	{USB_DEVICE(0x0681, 0x001b), USB_DEVICE_DATA(BOARD_503)},
+	/* Belkin F5D6050, version 2 */
+	{USB_DEVICE(0x050d, 0x0050), USB_DEVICE_DATA(BOARD_503)},
+	/* iBlitzz, BWU613 (not *B or *SB) */
+	{USB_DEVICE(0x07b8, 0xb000), USB_DEVICE_DATA(BOARD_503)},
+	/* Gigabyte GN-WLBM101 */
+	{USB_DEVICE(0x1044, 0x8003), USB_DEVICE_DATA(BOARD_503)},
+	/* Planex GW-US11S */
+	{USB_DEVICE(0x2019, 0x3220), USB_DEVICE_DATA(BOARD_503)},
+	/* Internal WLAN adapter in h5[4,5]xx series iPAQs */
+	{USB_DEVICE(0x049f, 0x0032), USB_DEVICE_DATA(BOARD_503)},
+	/* Corega Wireless LAN USB-11 mini */
+	{USB_DEVICE(0x07aa, 0x0011), USB_DEVICE_DATA(BOARD_503)},
+	/* Corega Wireless LAN USB-11 mini2 */
+	{USB_DEVICE(0x07aa, 0x0018), USB_DEVICE_DATA(BOARD_503)},
+	/* Uniden PCW100 */
+	{USB_DEVICE(0x05dd, 0xff35), USB_DEVICE_DATA(BOARD_503)},
+	/*
+	 * at76c503-rfmd-acc
+	 */
+	/* SMC2664W */
+	{USB_DEVICE(0x083a, 0x3501), USB_DEVICE_DATA(BOARD_503_ACC)},
+	/* Belkin F5D6050, SMC2662W v2, SMC2662W-AR */
+	{USB_DEVICE(0x0d5c, 0xa002), USB_DEVICE_DATA(BOARD_503_ACC)},
+	/*
+	 * at76c505-rfmd
+	 */
+	/* Generic AT76C505/RFMD */
+	{USB_DEVICE(0x03eb, 0x7606), USB_DEVICE_DATA(BOARD_505)},
+	/*
+	 * at76c505-rfmd2958
+	 */
+	/* Generic AT76C505/RFMD, OvisLink WL-1130USB */
+	{USB_DEVICE(0x03eb, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)},
+	/* Fiberline FL-WL240U */
+	{USB_DEVICE(0x1371, 0x0014), USB_DEVICE_DATA(BOARD_505_2958)},
+	/* CNet CNUSB-611G */
+	{USB_DEVICE(0x1371, 0x0013), USB_DEVICE_DATA(BOARD_505_2958)},
+	/* Linksys WUSB11 v2.8 */
+	{USB_DEVICE(0x1915, 0x2233), USB_DEVICE_DATA(BOARD_505_2958)},
+	/* Xterasys XN-2122B, IBlitzz BWU613B/BWU613SB */
+	{USB_DEVICE(0x12fd, 0x1001), USB_DEVICE_DATA(BOARD_505_2958)},
+	/* Corega WLAN USB Stick 11 */
+	{USB_DEVICE(0x07aa, 0x7613), USB_DEVICE_DATA(BOARD_505_2958)},
+	/* Microstar MSI Box MS6978 */
+	{USB_DEVICE(0x0db0, 0x1020), USB_DEVICE_DATA(BOARD_505_2958)},
+	/*
+	 * at76c505a-rfmd2958
+	 */
+	/* Generic AT76C505A device */
+	{USB_DEVICE(0x03eb, 0x7614), USB_DEVICE_DATA(BOARD_505A)},
+	/* Generic AT76C505AS device */
+	{USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A)},
+	/* Siemens Gigaset USB WLAN Adapter 11 */
+	{USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A)},
+	/*
+	 * at76c505amx-rfmd
+	 */
+	/* Generic AT76C505AMX device */
+	{USB_DEVICE(0x03eb, 0x7615), USB_DEVICE_DATA(BOARD_505AMX)},
+	{}
+};
+
+MODULE_DEVICE_TABLE(usb, dev_table);
+
+/* Supported rates of this hardware, bit 7 marks basic rates */
+static const u8 hw_rates[] = { 0x82, 0x84, 0x0b, 0x16 };
+
+/* Frequency of each channel in MHz */
+static const long channel_frequency[] = {
+	2412, 2417, 2422, 2427, 2432, 2437, 2442,
+	2447, 2452, 2457, 2462, 2467, 2472, 2484
+};
+
+#define NUM_CHANNELS ARRAY_SIZE(channel_frequency)
+
+static const char *const preambles[] = { "long", "short", "auto" };
+
+static const char *const mac_states[] = {
+	[MAC_INIT] = "INIT",
+	[MAC_SCANNING] = "SCANNING",
+	[MAC_AUTH] = "AUTH",
+	[MAC_ASSOC] = "ASSOC",
+	[MAC_JOINING] = "JOINING",
+	[MAC_CONNECTED] = "CONNECTED",
+	[MAC_OWN_IBSS] = "OWN_IBSS"
+};
+
+/* Firmware download */
+/* DFU states */
+#define STATE_IDLE			0x00
+#define STATE_DETACH			0x01
+#define STATE_DFU_IDLE			0x02
+#define STATE_DFU_DOWNLOAD_SYNC		0x03
+#define STATE_DFU_DOWNLOAD_BUSY		0x04
+#define STATE_DFU_DOWNLOAD_IDLE		0x05
+#define STATE_DFU_MANIFEST_SYNC		0x06
+#define STATE_DFU_MANIFEST		0x07
+#define STATE_DFU_MANIFEST_WAIT_RESET	0x08
+#define STATE_DFU_UPLOAD_IDLE		0x09
+#define STATE_DFU_ERROR			0x0a
+
+/* DFU commands */
+#define DFU_DETACH			0
+#define DFU_DNLOAD			1
+#define DFU_UPLOAD			2
+#define DFU_GETSTATUS			3
+#define DFU_CLRSTATUS			4
+#define DFU_GETSTATE			5
+#define DFU_ABORT			6
+
+#define FW_BLOCK_SIZE 1024
+
+struct dfu_status {
+	unsigned char status;
+	unsigned char poll_timeout[3];
+	unsigned char state;
+	unsigned char string;
+} __attribute__((packed));
+
+static inline int at76_is_intersil(enum board_type board)
+{
+	return (board == BOARD_503_ISL3861 || board == BOARD_503_ISL3863);
+}
+
+static inline int at76_is_503rfmd(enum board_type board)
+{
+	return (board == BOARD_503 || board == BOARD_503_ACC);
+}
+
+static inline int at76_is_505a(enum board_type board)
+{
+	return (board == BOARD_505A || board == BOARD_505AMX);
+}
+
+/* Load a block of the first (internal) part of the firmware */
+static int at76_load_int_fw_block(struct usb_device *udev, int blockno,
+				  void *block, int size)
+{
+	return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), DFU_DNLOAD,
+			       USB_TYPE_CLASS | USB_DIR_OUT |
+			       USB_RECIP_INTERFACE, blockno, 0, block, size,
+			       USB_CTRL_GET_TIMEOUT);
+}
+
+static int at76_dfu_get_status(struct usb_device *udev,
+			       struct dfu_status *status)
+{
+	int ret;
+
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), DFU_GETSTATUS,
+			      USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,
+			      0, 0, status, sizeof(struct dfu_status),
+			      USB_CTRL_GET_TIMEOUT);
+	return ret;
+}
+
+static u8 at76_dfu_get_state(struct usb_device *udev, u8 *state)
+{
+	int ret;
+
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), DFU_GETSTATE,
+			      USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,
+			      0, 0, state, 1, USB_CTRL_GET_TIMEOUT);
+	return ret;
+}
+
+/* Convert timeout from the DFU status to jiffies */
+static inline unsigned long at76_get_timeout(struct dfu_status *s)
+{
+	return msecs_to_jiffies((s->poll_timeout[2] << 16)
+				| (s->poll_timeout[1] << 8)
+				| (s->poll_timeout[0]));
+}
+
+/* Load internal firmware from the buffer.  If manifest_sync_timeout > 0, use
+ * its value in jiffies in the MANIFEST_SYNC state.  */
+static int at76_usbdfu_download(struct usb_device *udev, u8 *buf, u32 size,
+				int manifest_sync_timeout)
+{
+	u8 *block;
+	struct dfu_status dfu_stat_buf;
+	int ret = 0;
+	int need_dfu_state = 1;
+	int is_done = 0;
+	u8 dfu_state = 0;
+	u32 dfu_timeout = 0;
+	int bsize = 0;
+	int blockno = 0;
+
+	at76_dbg(DBG_DFU, "%s( %p, %u, %d)", __func__, buf, size,
+		 manifest_sync_timeout);
+
+	if (!size) {
+		dev_printk(KERN_ERR, &udev->dev, "FW buffer length invalid!\n");
+		return -EINVAL;
+	}
+
+	block = kmalloc(FW_BLOCK_SIZE, GFP_KERNEL);
+	if (!block)
+		return -ENOMEM;
+
+	do {
+		if (need_dfu_state) {
+			ret = at76_dfu_get_state(udev, &dfu_state);
+			if (ret < 0) {
+				dev_printk(KERN_ERR, &udev->dev,
+					   "cannot get DFU state: %d\n", ret);
+				goto exit;
+			}
+			need_dfu_state = 0;
+		}
+
+		switch (dfu_state) {
+		case STATE_DFU_DOWNLOAD_SYNC:
+			at76_dbg(DBG_DFU, "STATE_DFU_DOWNLOAD_SYNC");
+			ret = at76_dfu_get_status(udev, &dfu_stat_buf);
+			if (ret >= 0) {
+				dfu_state = dfu_stat_buf.state;
+				dfu_timeout = at76_get_timeout(&dfu_stat_buf);
+				need_dfu_state = 0;
+			} else
+				dev_printk(KERN_ERR, &udev->dev,
+					   "at76_dfu_get_status returned %d\n",
+					   ret);
+			break;
+
+		case STATE_DFU_DOWNLOAD_BUSY:
+			at76_dbg(DBG_DFU, "STATE_DFU_DOWNLOAD_BUSY");
+			need_dfu_state = 1;
+
+			at76_dbg(DBG_DFU, "DFU: Resetting device");
+			schedule_timeout_interruptible(dfu_timeout);
+			break;
+
+		case STATE_DFU_DOWNLOAD_IDLE:
+			at76_dbg(DBG_DFU, "DOWNLOAD...");
+			/* fall through */
+		case STATE_DFU_IDLE:
+			at76_dbg(DBG_DFU, "DFU IDLE");
+
+			bsize = min_t(int, size, FW_BLOCK_SIZE);
+			memcpy(block, buf, bsize);
+			at76_dbg(DBG_DFU, "int fw, size left = %5d, "
+				 "bsize = %4d, blockno = %2d", size, bsize,
+				 blockno);
+			ret =
+			    at76_load_int_fw_block(udev, blockno, block, bsize);
+			buf += bsize;
+			size -= bsize;
+			blockno++;
+
+			if (ret != bsize)
+				dev_printk(KERN_ERR, &udev->dev,
+					   "at76_load_int_fw_block "
+					   "returned %d\n", ret);
+			need_dfu_state = 1;
+			break;
+
+		case STATE_DFU_MANIFEST_SYNC:
+			at76_dbg(DBG_DFU, "STATE_DFU_MANIFEST_SYNC");
+
+			ret = at76_dfu_get_status(udev, &dfu_stat_buf);
+			if (ret < 0)
+				break;
+
+			dfu_state = dfu_stat_buf.state;
+			dfu_timeout = at76_get_timeout(&dfu_stat_buf);
+			need_dfu_state = 0;
+
+			/* override the timeout from the status response,
+			   needed for AT76C505A */
+			if (manifest_sync_timeout > 0)
+				dfu_timeout = manifest_sync_timeout;
+
+			at76_dbg(DBG_DFU, "DFU: Waiting for manifest phase");
+			schedule_timeout_interruptible(dfu_timeout);
+			break;
+
+		case STATE_DFU_MANIFEST:
+			at76_dbg(DBG_DFU, "STATE_DFU_MANIFEST");
+			is_done = 1;
+			break;
+
+		case STATE_DFU_MANIFEST_WAIT_RESET:
+			at76_dbg(DBG_DFU, "STATE_DFU_MANIFEST_WAIT_RESET");
+			is_done = 1;
+			break;
+
+		case STATE_DFU_UPLOAD_IDLE:
+			at76_dbg(DBG_DFU, "STATE_DFU_UPLOAD_IDLE");
+			break;
+
+		case STATE_DFU_ERROR:
+			at76_dbg(DBG_DFU, "STATE_DFU_ERROR");
+			ret = -EPIPE;
+			break;
+
+		default:
+			at76_dbg(DBG_DFU, "DFU UNKNOWN STATE (%d)", dfu_state);
+			ret = -EINVAL;
+			break;
+		}
+	} while (!is_done && (ret >= 0));
+
+exit:
+	kfree(block);
+	if (ret >= 0)
+		ret = 0;
+
+	return ret;
+}
+
+/* Report that the scan results are ready */
+static inline void at76_iwevent_scan_complete(struct net_device *netdev)
+{
+	union iwreq_data wrqu;
+	wrqu.data.length = 0;
+	wrqu.data.flags = 0;
+	wireless_send_event(netdev, SIOCGIWSCAN, &wrqu, NULL);
+	at76_dbg(DBG_WE_EVENTS, "%s: SIOCGIWSCAN sent", netdev->name);
+}
+
+static inline void at76_iwevent_bss_connect(struct net_device *netdev,
+					    u8 *bssid)
+{
+	union iwreq_data wrqu;
+	wrqu.data.length = 0;
+	wrqu.data.flags = 0;
+	memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
+	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+	wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
+	at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name,
+		 __func__);
+}
+
+static inline void at76_iwevent_bss_disconnect(struct net_device *netdev)
+{
+	union iwreq_data wrqu;
+	wrqu.data.length = 0;
+	wrqu.data.flags = 0;
+	memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
+	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+	wireless_send_event(netdev, SIOCGIWAP, &wrqu, NULL);
+	at76_dbg(DBG_WE_EVENTS, "%s: %s: SIOCGIWAP sent", netdev->name,
+		 __func__);
+}
+
+#define HEX2STR_BUFFERS 4
+#define HEX2STR_MAX_LEN 64
+#define BIN2HEX(x) ((x) < 10 ? '0' + (x) : (x) + 'A' - 10)
+
+/* Convert binary data into hex string */
+static char *hex2str(void *buf, int len)
+{
+	static atomic_t a = ATOMIC_INIT(0);
+	static char bufs[HEX2STR_BUFFERS][3 * HEX2STR_MAX_LEN + 1];
+	char *ret = bufs[atomic_inc_return(&a) & (HEX2STR_BUFFERS - 1)];
+	char *obuf = ret;
+	u8 *ibuf = buf;
+
+	if (len > HEX2STR_MAX_LEN)
+		len = HEX2STR_MAX_LEN;
+
+	if (len <= 0) {
+		ret[0] = '\0';
+		return ret;
+	}
+
+	while (len--) {
+		*obuf++ = BIN2HEX(*ibuf >> 4);
+		*obuf++ = BIN2HEX(*ibuf & 0xf);
+		*obuf++ = '-';
+		ibuf++;
+	}
+	*(--obuf) = '\0';
+
+	return ret;
+}
+
+#define MAC2STR_BUFFERS 4
+
+static inline char *mac2str(u8 *mac)
+{
+	static atomic_t a = ATOMIC_INIT(0);
+	static char bufs[MAC2STR_BUFFERS][6 * 3];
+	char *str;
+
+	str = bufs[atomic_inc_return(&a) & (MAC2STR_BUFFERS - 1)];
+	sprintf(str, "%02x:%02x:%02x:%02x:%02x:%02x",
+		mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+	return str;
+}
+
+/* LED trigger */
+static int tx_activity;
+static void at76_ledtrig_tx_timerfunc(unsigned long data);
+static DEFINE_TIMER(ledtrig_tx_timer, at76_ledtrig_tx_timerfunc, 0, 0);
+DEFINE_LED_TRIGGER(ledtrig_tx);
+
+static void at76_ledtrig_tx_timerfunc(unsigned long data)
+{
+	static int tx_lastactivity;
+
+	if (tx_lastactivity != tx_activity) {
+		tx_lastactivity = tx_activity;
+		led_trigger_event(ledtrig_tx, LED_FULL);
+		mod_timer(&ledtrig_tx_timer, jiffies + HZ / 4);
+	} else
+		led_trigger_event(ledtrig_tx, LED_OFF);
+}
+
+static void at76_ledtrig_tx_activity(void)
+{
+	tx_activity++;
+	if (!timer_pending(&ledtrig_tx_timer))
+		mod_timer(&ledtrig_tx_timer, jiffies + HZ / 4);
+}
+
+/* Check if the given ssid is hidden */
+static inline int at76_is_hidden_ssid(u8 *ssid, int length)
+{
+	static const u8 zeros[32];
+
+	if (length == 0)
+		return 1;
+
+	if (length == 1 && ssid[0] == ' ')
+		return 1;
+
+	return (memcmp(ssid, zeros, length) == 0);
+}
+
+static inline void at76_free_bss_list(struct at76_priv *priv)
+{
+	struct list_head *next, *ptr;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->bss_list_spinlock, flags);
+
+	priv->curr_bss = NULL;
+
+	list_for_each_safe(ptr, next, &priv->bss_list) {
+		list_del(ptr);
+		kfree(list_entry(ptr, struct bss_info, list));
+	}
+
+	spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
+}
+
+static int at76_remap(struct usb_device *udev)
+{
+	int ret;
+	ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0a,
+			      USB_TYPE_VENDOR | USB_DIR_OUT |
+			      USB_RECIP_INTERFACE, 0, 0, NULL, 0,
+			      USB_CTRL_GET_TIMEOUT);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static int at76_get_op_mode(struct usb_device *udev)
+{
+	int ret;
+	u8 op_mode;
+
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33,
+			      USB_TYPE_VENDOR | USB_DIR_IN |
+			      USB_RECIP_INTERFACE, 0x01, 0, &op_mode, 1,
+			      USB_CTRL_GET_TIMEOUT);
+	if (ret < 0)
+		return ret;
+	else if (ret < 1)
+		return -EIO;
+	else
+		return op_mode;
+}
+
+/* Load a block of the second ("external") part of the firmware */
+static inline int at76_load_ext_fw_block(struct usb_device *udev, int blockno,
+					 void *block, int size)
+{
+	return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e,
+			       USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
+			       0x0802, blockno, block, size,
+			       USB_CTRL_GET_TIMEOUT);
+}
+
+static inline int at76_get_hw_cfg(struct usb_device *udev,
+				  union at76_hwcfg *buf, int buf_size)
+{
+	return usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33,
+			       USB_TYPE_VENDOR | USB_DIR_IN |
+			       USB_RECIP_INTERFACE, 0x0a02, 0,
+			       buf, buf_size, USB_CTRL_GET_TIMEOUT);
+}
+
+/* Intersil boards use a different "value" for GetHWConfig requests */
+static inline int at76_get_hw_cfg_intersil(struct usb_device *udev,
+					   union at76_hwcfg *buf, int buf_size)
+{
+	return usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33,
+			       USB_TYPE_VENDOR | USB_DIR_IN |
+			       USB_RECIP_INTERFACE, 0x0902, 0,
+			       buf, buf_size, USB_CTRL_GET_TIMEOUT);
+}
+
+/* Get the hardware configuration for the adapter and put it to the appropriate
+ * fields of 'priv' (the GetHWConfig request and interpretation of the result
+ * depends on the board type) */
+static int at76_get_hw_config(struct at76_priv *priv)
+{
+	int ret;
+	union at76_hwcfg *hwcfg = kmalloc(sizeof(*hwcfg), GFP_KERNEL);
+
+	if (!hwcfg)
+		return -ENOMEM;
+
+	if (at76_is_intersil(priv->board_type)) {
+		ret = at76_get_hw_cfg_intersil(priv->udev, hwcfg,
+					       sizeof(hwcfg->i));
+		if (ret < 0)
+			goto exit;
+		memcpy(priv->mac_addr, hwcfg->i.mac_addr, ETH_ALEN);
+		priv->regulatory_domain = hwcfg->i.regulatory_domain;
+	} else if (at76_is_503rfmd(priv->board_type)) {
+		ret = at76_get_hw_cfg(priv->udev, hwcfg, sizeof(hwcfg->r3));
+		if (ret < 0)
+			goto exit;
+		memcpy(priv->mac_addr, hwcfg->r3.mac_addr, ETH_ALEN);
+		priv->regulatory_domain = hwcfg->r3.regulatory_domain;
+	} else {
+		ret = at76_get_hw_cfg(priv->udev, hwcfg, sizeof(hwcfg->r5));
+		if (ret < 0)
+			goto exit;
+		memcpy(priv->mac_addr, hwcfg->r5.mac_addr, ETH_ALEN);
+		priv->regulatory_domain = hwcfg->r5.regulatory_domain;
+	}
+
+exit:
+	kfree(hwcfg);
+	if (ret < 0)
+		printk(KERN_ERR "%s: cannot get HW Config (error %d)\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+static struct reg_domain const *at76_get_reg_domain(u16 code)
+{
+	int i;
+	static struct reg_domain const fd_tab[] = {
+		{0x10, "FCC (USA)", 0x7ff},	/* ch 1-11 */
+		{0x20, "IC (Canada)", 0x7ff},	/* ch 1-11 */
+		{0x30, "ETSI (most of Europe)", 0x1fff},	/* ch 1-13 */
+		{0x31, "Spain", 0x600},	/* ch 10-11 */
+		{0x32, "France", 0x1e00},	/* ch 10-13 */
+		{0x40, "MKK (Japan)", 0x2000},	/* ch 14 */
+		{0x41, "MKK1 (Japan)", 0x3fff},	/* ch 1-14 */
+		{0x50, "Israel", 0x3fc},	/* ch 3-9 */
+		{0x00, "<unknown>", 0xffffffff}	/* ch 1-32 */
+	};
+
+	/* Last entry is fallback for unknown domain code */
+	for (i = 0; i < ARRAY_SIZE(fd_tab) - 1; i++)
+		if (code == fd_tab[i].code)
+			break;
+
+	return &fd_tab[i];
+}
+
+static inline int at76_get_mib(struct usb_device *udev, u16 mib, void *buf,
+			       int buf_size)
+{
+	int ret;
+
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x33,
+			      USB_TYPE_VENDOR | USB_DIR_IN |
+			      USB_RECIP_INTERFACE, mib << 8, 0, buf, buf_size,
+			      USB_CTRL_GET_TIMEOUT);
+	if (ret >= 0 && ret != buf_size)
+		return -EIO;
+	return ret;
+}
+
+/* Return positive number for status, negative for an error */
+static inline int at76_get_cmd_status(struct usb_device *udev, u8 cmd)
+{
+	u8 stat_buf[40];
+	int ret;
+
+	ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x22,
+			      USB_TYPE_VENDOR | USB_DIR_IN |
+			      USB_RECIP_INTERFACE, cmd, 0, stat_buf,
+			      sizeof(stat_buf), USB_CTRL_GET_TIMEOUT);
+	if (ret < 0)
+		return ret;
+
+	return stat_buf[5];
+}
+
+static int at76_set_card_command(struct usb_device *udev, int cmd, void *buf,
+				 int buf_size)
+{
+	int ret;
+	struct at76_command *cmd_buf = kmalloc(sizeof(struct at76_command) +
+					       buf_size, GFP_KERNEL);
+
+	if (!cmd_buf)
+		return -ENOMEM;
+
+	cmd_buf->cmd = cmd;
+	cmd_buf->reserved = 0;
+	cmd_buf->size = cpu_to_le16(buf_size);
+	memcpy(cmd_buf->data, buf, buf_size);
+
+	ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x0e,
+			      USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
+			      0, 0, cmd_buf,
+			      sizeof(struct at76_command) + buf_size,
+			      USB_CTRL_GET_TIMEOUT);
+	kfree(cmd_buf);
+	return ret;
+}
+
+#define MAKE_CMD_STATUS_CASE(c)	case (c): return #c
+static const char *at76_get_cmd_status_string(u8 cmd_status)
+{
+	switch (cmd_status) {
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_IDLE);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_COMPLETE);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_UNKNOWN);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_INVALID_PARAMETER);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_FUNCTION_NOT_SUPPORTED);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_TIME_OUT);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_IN_PROGRESS);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_HOST_FAILURE);
+		MAKE_CMD_STATUS_CASE(CMD_STATUS_SCAN_FAILED);
+	}
+
+	return "UNKNOWN";
+}
+
+/* Wait until the command is completed */
+static int at76_wait_completion(struct at76_priv *priv, int cmd)
+{
+	int status = 0;
+	unsigned long timeout = jiffies + CMD_COMPLETION_TIMEOUT;
+
+	do {
+		status = at76_get_cmd_status(priv->udev, cmd);
+		if (status < 0) {
+			printk(KERN_ERR "%s: at76_get_cmd_status failed: %d\n",
+			       priv->netdev->name, status);
+			break;
+		}
+
+		at76_dbg(DBG_WAIT_COMPLETE,
+			 "%s: Waiting on cmd %d, status = %d (%s)",
+			 priv->netdev->name, cmd, status,
+			 at76_get_cmd_status_string(status));
+
+		if (status != CMD_STATUS_IN_PROGRESS
+		    && status != CMD_STATUS_IDLE)
+			break;
+
+		schedule_timeout_interruptible(HZ / 10);	/* 100 ms */
+		if (time_after(jiffies, timeout)) {
+			printk(KERN_ERR
+			       "%s: completion timeout for command %d\n",
+			       priv->netdev->name, cmd);
+			status = -ETIMEDOUT;
+			break;
+		}
+	} while (1);
+
+	return status;
+}
+
+static int at76_set_mib(struct at76_priv *priv, struct set_mib_buffer *buf)
+{
+	int ret;
+
+	ret = at76_set_card_command(priv->udev, CMD_SET_MIB, buf,
+				    offsetof(struct set_mib_buffer,
+					     data) + buf->size);
+	if (ret < 0)
+		return ret;
+
+	ret = at76_wait_completion(priv, CMD_SET_MIB);
+	if (ret != CMD_STATUS_COMPLETE) {
+		printk(KERN_INFO
+		       "%s: set_mib: at76_wait_completion failed "
+		       "with %d\n", priv->netdev->name, ret);
+		ret = -EIO;
+	}
+
+	return ret;
+}
+
+/* Return < 0 on error, == 0 if no command sent, == 1 if cmd sent */
+static int at76_set_radio(struct at76_priv *priv, int enable)
+{
+	int ret;
+	int cmd;
+
+	if (priv->radio_on == enable)
+		return 0;
+
+	cmd = enable ? CMD_RADIO_ON : CMD_RADIO_OFF;
+
+	ret = at76_set_card_command(priv->udev, cmd, NULL, 0);
+	if (ret < 0)
+		printk(KERN_ERR "%s: at76_set_card_command(%d) failed: %d\n",
+		       priv->netdev->name, cmd, ret);
+	else
+		ret = 1;
+
+	priv->radio_on = enable;
+	return ret;
+}
+
+/* Set current power save mode (AT76_PM_OFF/AT76_PM_ON/AT76_PM_SMART) */
+static int at76_set_pm_mode(struct at76_priv *priv)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_MAC_MGMT;
+	priv->mib_buf.size = 1;
+	priv->mib_buf.index = offsetof(struct mib_mac_mgmt, power_mgmt_mode);
+	priv->mib_buf.data.byte = priv->pm_mode;
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (pm_mode) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+/* Set the association id for power save mode */
+static int at76_set_associd(struct at76_priv *priv, u16 id)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_MAC_MGMT;
+	priv->mib_buf.size = 2;
+	priv->mib_buf.index = offsetof(struct mib_mac_mgmt, station_id);
+	priv->mib_buf.data.word = cpu_to_le16(id);
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (associd) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+/* Set the listen interval for power save mode */
+static int at76_set_listen_interval(struct at76_priv *priv, u16 interval)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_MAC;
+	priv->mib_buf.size = 2;
+	priv->mib_buf.index = offsetof(struct mib_mac, listen_interval);
+	priv->mib_buf.data.word = cpu_to_le16(interval);
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR
+		       "%s: set_mib (listen_interval) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+static int at76_set_preamble(struct at76_priv *priv, u8 type)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_LOCAL;
+	priv->mib_buf.size = 1;
+	priv->mib_buf.index = offsetof(struct mib_local, preamble_type);
+	priv->mib_buf.data.byte = type;
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (preamble) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+static int at76_set_frag(struct at76_priv *priv, u16 size)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_MAC;
+	priv->mib_buf.size = 2;
+	priv->mib_buf.index = offsetof(struct mib_mac, frag_threshold);
+	priv->mib_buf.data.word = cpu_to_le16(size);
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (frag threshold) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+static int at76_set_rts(struct at76_priv *priv, u16 size)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_MAC;
+	priv->mib_buf.size = 2;
+	priv->mib_buf.index = offsetof(struct mib_mac, rts_threshold);
+	priv->mib_buf.data.word = cpu_to_le16(size);
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (rts) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+static int at76_set_autorate_fallback(struct at76_priv *priv, int onoff)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_LOCAL;
+	priv->mib_buf.size = 1;
+	priv->mib_buf.index = offsetof(struct mib_local, txautorate_fallback);
+	priv->mib_buf.data.byte = onoff;
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (autorate fallback) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+static int at76_add_mac_address(struct at76_priv *priv, void *addr)
+{
+	int ret = 0;
+
+	priv->mib_buf.type = MIB_MAC_ADDR;
+	priv->mib_buf.size = ETH_ALEN;
+	priv->mib_buf.index = offsetof(struct mib_mac_addr, mac_addr);
+	memcpy(priv->mib_buf.data.addr, addr, ETH_ALEN);
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (MAC_ADDR, mac_addr) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	return ret;
+}
+
+static void at76_dump_mib_mac_addr(struct at76_priv *priv)
+{
+	int i;
+	int ret;
+	struct mib_mac_addr *m = kmalloc(sizeof(struct mib_mac_addr),
+					 GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	ret = at76_get_mib(priv->udev, MIB_MAC_ADDR, m,
+			   sizeof(struct mib_mac_addr));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib (MAC_ADDR) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: mac_addr %s res 0x%x 0x%x",
+		 priv->netdev->name,
+		 mac2str(m->mac_addr), m->res[0], m->res[1]);
+	for (i = 0; i < ARRAY_SIZE(m->group_addr); i++)
+		at76_dbg(DBG_MIB, "%s: MIB MAC_ADDR: group addr %d: %s, "
+			 "status %d", priv->netdev->name, i,
+			 mac2str(m->group_addr[i]), m->group_addr_status[i]);
+exit:
+	kfree(m);
+}
+
+static void at76_dump_mib_mac_wep(struct at76_priv *priv)
+{
+	int i;
+	int ret;
+	int key_len;
+	struct mib_mac_wep *m = kmalloc(sizeof(struct mib_mac_wep), GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	ret = at76_get_mib(priv->udev, MIB_MAC_WEP, m,
+			   sizeof(struct mib_mac_wep));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib (MAC_WEP) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: priv_invoked %u def_key_id %u "
+		 "key_len %u excl_unencr %u wep_icv_err %u wep_excluded %u "
+		 "encr_level %u key %d", priv->netdev->name,
+		 m->privacy_invoked, m->wep_default_key_id,
+		 m->wep_key_mapping_len, m->exclude_unencrypted,
+		 le32_to_cpu(m->wep_icv_error_count),
+		 le32_to_cpu(m->wep_excluded_count), m->encryption_level,
+		 m->wep_default_key_id);
+
+	key_len = (m->encryption_level == 1) ?
+	    WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN;
+
+	for (i = 0; i < WEP_KEYS; i++)
+		at76_dbg(DBG_MIB, "%s: MIB MAC_WEP: key %d: %s",
+			 priv->netdev->name, i,
+			 hex2str(m->wep_default_keyvalue[i], key_len));
+exit:
+	kfree(m);
+}
+
+static void at76_dump_mib_mac_mgmt(struct at76_priv *priv)
+{
+	int ret;
+	struct mib_mac_mgmt *m = kmalloc(sizeof(struct mib_mac_mgmt),
+					 GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, m,
+			   sizeof(struct mib_mac_mgmt));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib (MAC_MGMT) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_MIB, "%s: MIB MAC_MGMT: beacon_period %d CFP_max_duration "
+		 "%d medium_occupancy_limit %d station_id 0x%x ATIM_window %d "
+		 "CFP_mode %d privacy_opt_impl %d DTIM_period %d CFP_period %d "
+		 "current_bssid %s current_essid %s current_bss_type %d "
+		 "pm_mode %d ibss_change %d res %d "
+		 "multi_domain_capability_implemented %d "
+		 "international_roaming %d country_string %.3s",
+		 priv->netdev->name, le16_to_cpu(m->beacon_period),
+		 le16_to_cpu(m->CFP_max_duration),
+		 le16_to_cpu(m->medium_occupancy_limit),
+		 le16_to_cpu(m->station_id), le16_to_cpu(m->ATIM_window),
+		 m->CFP_mode, m->privacy_option_implemented, m->DTIM_period,
+		 m->CFP_period, mac2str(m->current_bssid),
+		 hex2str(m->current_essid, IW_ESSID_MAX_SIZE),
+		 m->current_bss_type, m->power_mgmt_mode, m->ibss_change,
+		 m->res, m->multi_domain_capability_implemented,
+		 m->multi_domain_capability_enabled, m->country_string);
+exit:
+	kfree(m);
+}
+
+static void at76_dump_mib_mac(struct at76_priv *priv)
+{
+	int ret;
+	struct mib_mac *m = kmalloc(sizeof(struct mib_mac), GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib (MAC) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_MIB, "%s: MIB MAC: max_tx_msdu_lifetime %d "
+		 "max_rx_lifetime %d frag_threshold %d rts_threshold %d "
+		 "cwmin %d cwmax %d short_retry_time %d long_retry_time %d "
+		 "scan_type %d scan_channel %d probe_delay %u "
+		 "min_channel_time %d max_channel_time %d listen_int %d "
+		 "desired_ssid %s desired_bssid %s desired_bsstype %d",
+		 priv->netdev->name, le32_to_cpu(m->max_tx_msdu_lifetime),
+		 le32_to_cpu(m->max_rx_lifetime),
+		 le16_to_cpu(m->frag_threshold), le16_to_cpu(m->rts_threshold),
+		 le16_to_cpu(m->cwmin), le16_to_cpu(m->cwmax),
+		 m->short_retry_time, m->long_retry_time, m->scan_type,
+		 m->scan_channel, le16_to_cpu(m->probe_delay),
+		 le16_to_cpu(m->min_channel_time),
+		 le16_to_cpu(m->max_channel_time),
+		 le16_to_cpu(m->listen_interval),
+		 hex2str(m->desired_ssid, IW_ESSID_MAX_SIZE),
+		 mac2str(m->desired_bssid), m->desired_bsstype);
+exit:
+	kfree(m);
+}
+
+static void at76_dump_mib_phy(struct at76_priv *priv)
+{
+	int ret;
+	struct mib_phy *m = kmalloc(sizeof(struct mib_phy), GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib (PHY) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_MIB, "%s: MIB PHY: ed_threshold %d slot_time %d "
+		 "sifs_time %d preamble_length %d plcp_header_length %d "
+		 "mpdu_max_length %d cca_mode_supported %d operation_rate_set "
+		 "0x%x 0x%x 0x%x 0x%x channel_id %d current_cca_mode %d "
+		 "phy_type %d current_reg_domain %d",
+		 priv->netdev->name, le32_to_cpu(m->ed_threshold),
+		 le16_to_cpu(m->slot_time), le16_to_cpu(m->sifs_time),
+		 le16_to_cpu(m->preamble_length),
+		 le16_to_cpu(m->plcp_header_length),
+		 le16_to_cpu(m->mpdu_max_length),
+		 le16_to_cpu(m->cca_mode_supported), m->operation_rate_set[0],
+		 m->operation_rate_set[1], m->operation_rate_set[2],
+		 m->operation_rate_set[3], m->channel_id, m->current_cca_mode,
+		 m->phy_type, m->current_reg_domain);
+exit:
+	kfree(m);
+}
+
+static void at76_dump_mib_local(struct at76_priv *priv)
+{
+	int ret;
+	struct mib_local *m = kmalloc(sizeof(struct mib_phy), GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	ret = at76_get_mib(priv->udev, MIB_LOCAL, m, sizeof(struct mib_local));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib (LOCAL) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_MIB, "%s: MIB LOCAL: beacon_enable %d "
+		 "txautorate_fallback %d ssid_size %d promiscuous_mode %d "
+		 "preamble_type %d", priv->netdev->name, m->beacon_enable,
+		 m->txautorate_fallback, m->ssid_size, m->promiscuous_mode,
+		 m->preamble_type);
+exit:
+	kfree(m);
+}
+
+static void at76_dump_mib_mdomain(struct at76_priv *priv)
+{
+	int ret;
+	struct mib_mdomain *m = kmalloc(sizeof(struct mib_mdomain), GFP_KERNEL);
+
+	if (!m)
+		return;
+
+	ret = at76_get_mib(priv->udev, MIB_MDOMAIN, m,
+			   sizeof(struct mib_mdomain));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib (MDOMAIN) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: channel_list %s",
+		 priv->netdev->name,
+		 hex2str(m->channel_list, sizeof(m->channel_list)));
+
+	at76_dbg(DBG_MIB, "%s: MIB MDOMAIN: tx_powerlevel %s",
+		 priv->netdev->name,
+		 hex2str(m->tx_powerlevel, sizeof(m->tx_powerlevel)));
+exit:
+	kfree(m);
+}
+
+static int at76_get_current_bssid(struct at76_priv *priv)
+{
+	int ret = 0;
+	struct mib_mac_mgmt *mac_mgmt =
+	    kmalloc(sizeof(struct mib_mac_mgmt), GFP_KERNEL);
+
+	if (!mac_mgmt) {
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, mac_mgmt,
+			   sizeof(struct mib_mac_mgmt));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib failed: %d\n",
+		       priv->netdev->name, ret);
+		goto error;
+	}
+	memcpy(priv->bssid, mac_mgmt->current_bssid, ETH_ALEN);
+	printk(KERN_INFO "%s: using BSSID %s\n", priv->netdev->name,
+	       mac2str(priv->bssid));
+error:
+	kfree(mac_mgmt);
+exit:
+	return ret;
+}
+
+static int at76_get_current_channel(struct at76_priv *priv)
+{
+	int ret = 0;
+	struct mib_phy *phy = kmalloc(sizeof(struct mib_phy), GFP_KERNEL);
+
+	if (!phy) {
+		ret = -ENOMEM;
+		goto exit;
+	}
+	ret = at76_get_mib(priv->udev, MIB_PHY, phy, sizeof(struct mib_phy));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib(MIB_PHY) failed: %d\n",
+		       priv->netdev->name, ret);
+		goto error;
+	}
+	priv->channel = phy->channel_id;
+error:
+	kfree(phy);
+exit:
+	return ret;
+}
+
+/**
+ * at76_start_scan - start a scan
+ *
+ * @use_essid - use the configured ESSID in non passive mode
+ */
+static int at76_start_scan(struct at76_priv *priv, int use_essid)
+{
+	struct at76_req_scan scan;
+
+	memset(&scan, 0, sizeof(struct at76_req_scan));
+	memset(scan.bssid, 0xff, ETH_ALEN);
+
+	if (use_essid) {
+		memcpy(scan.essid, priv->essid, IW_ESSID_MAX_SIZE);
+		scan.essid_size = priv->essid_size;
+	} else
+		scan.essid_size = 0;
+
+	/* jal: why should we start at a certain channel? we do scan the whole
+	   range allowed by reg domain. */
+	scan.channel = priv->channel;
+
+	/* atmelwlandriver differs between scan type 0 and 1 (active/passive)
+	   For ad-hoc mode, it uses type 0 only. */
+	scan.scan_type = priv->scan_mode;
+
+	/* INFO: For probe_delay, not multiplying by 1024 as this will be
+	   slightly less than min_channel_time
+	   (per spec: probe delay < min. channel time) */
+	scan.min_channel_time = cpu_to_le16(priv->scan_min_time);
+	scan.max_channel_time = cpu_to_le16(priv->scan_max_time);
+	scan.probe_delay = cpu_to_le16(priv->scan_min_time * 1000);
+	scan.international_scan = 0;
+
+	/* other values are set to 0 for type 0 */
+
+	at76_dbg(DBG_PROGRESS, "%s: start_scan (use_essid = %d, intl = %d, "
+		 "channel = %d, probe_delay = %d, scan_min_time = %d, "
+		 "scan_max_time = %d)",
+		 priv->netdev->name, use_essid,
+		 scan.international_scan, scan.channel,
+		 le16_to_cpu(scan.probe_delay),
+		 le16_to_cpu(scan.min_channel_time),
+		 le16_to_cpu(scan.max_channel_time));
+
+	return at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan));
+}
+
+/* Enable monitor mode */
+static int at76_start_monitor(struct at76_priv *priv)
+{
+	struct at76_req_scan scan;
+	int ret;
+
+	memset(&scan, 0, sizeof(struct at76_req_scan));
+	memset(scan.bssid, 0xff, ETH_ALEN);
+
+	scan.channel = priv->channel;
+	scan.scan_type = SCAN_TYPE_PASSIVE;
+	scan.international_scan = 0;
+
+	ret = at76_set_card_command(priv->udev, CMD_SCAN, &scan, sizeof(scan));
+	if (ret >= 0)
+		ret = at76_get_cmd_status(priv->udev, CMD_SCAN);
+
+	return ret;
+}
+
+static int at76_start_ibss(struct at76_priv *priv)
+{
+	struct at76_req_ibss bss;
+	int ret;
+
+	WARN_ON(priv->mac_state != MAC_OWN_IBSS);
+	if (priv->mac_state != MAC_OWN_IBSS)
+		return -EBUSY;
+
+	memset(&bss, 0, sizeof(struct at76_req_ibss));
+	memset(bss.bssid, 0xff, ETH_ALEN);
+	memcpy(bss.essid, priv->essid, IW_ESSID_MAX_SIZE);
+	bss.essid_size = priv->essid_size;
+	bss.bss_type = ADHOC_MODE;
+	bss.channel = priv->channel;
+
+	ret = at76_set_card_command(priv->udev, CMD_START_IBSS, &bss,
+				    sizeof(struct at76_req_ibss));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: start_ibss failed: %d\n",
+		       priv->netdev->name, ret);
+		return ret;
+	}
+
+	ret = at76_wait_completion(priv, CMD_START_IBSS);
+	if (ret != CMD_STATUS_COMPLETE) {
+		printk(KERN_ERR "%s: start_ibss failed to complete, %d\n",
+		       priv->netdev->name, ret);
+		return ret;
+	}
+
+	ret = at76_get_current_bssid(priv);
+	if (ret < 0)
+		return ret;
+
+	ret = at76_get_current_channel(priv);
+	if (ret < 0)
+		return ret;
+
+	/* not sure what this is good for ??? */
+	priv->mib_buf.type = MIB_MAC_MGMT;
+	priv->mib_buf.size = 1;
+	priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change);
+	priv->mib_buf.data.byte = 0;
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0) {
+		printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n",
+		       priv->netdev->name, ret);
+		return ret;
+	}
+
+	netif_carrier_on(priv->netdev);
+	netif_start_queue(priv->netdev);
+	return 0;
+}
+
+/* Request card to join BSS in managed or ad-hoc mode */
+static int at76_join_bss(struct at76_priv *priv, struct bss_info *ptr)
+{
+	struct at76_req_join join;
+
+	BUG_ON(!ptr);
+
+	memset(&join, 0, sizeof(struct at76_req_join));
+	memcpy(join.bssid, ptr->bssid, ETH_ALEN);
+	memcpy(join.essid, ptr->ssid, ptr->ssid_len);
+	join.essid_size = ptr->ssid_len;
+	join.bss_type = (priv->iw_mode == IW_MODE_ADHOC ? 1 : 2);
+	join.channel = ptr->channel;
+	join.timeout = cpu_to_le16(2000);
+
+	at76_dbg(DBG_PROGRESS,
+		 "%s join addr %s ssid %s type %d ch %d timeout %d",
+		 priv->netdev->name, mac2str(join.bssid), join.essid,
+		 join.bss_type, join.channel, le16_to_cpu(join.timeout));
+	return at76_set_card_command(priv->udev, CMD_JOIN, &join,
+				     sizeof(struct at76_req_join));
+}
+
+/* Calculate padding from txbuf->wlength (which excludes the USB TX header),
+   likely to compensate a flaw in the AT76C503A USB part ... */
+static inline int at76_calc_padding(int wlen)
+{
+	/* add the USB TX header */
+	wlen += AT76_TX_HDRLEN;
+
+	wlen = wlen % 64;
+
+	if (wlen < 50)
+		return 50 - wlen;
+
+	if (wlen >= 61)
+		return 64 + 50 - wlen;
+
+	return 0;
+}
+
+/* We are doing a lot of things here in an interrupt. Need
+   a bh handler (Watching TV with a TV card is probably
+   a good test: if you see flickers, we are doing too much.
+   Currently I do see flickers... even with our tasklet :-( )
+   Maybe because the bttv driver and usb-uhci use the same interrupt
+*/
+/* Or maybe because our BH handler is preempting bttv's BH handler.. BHs don't
+ * solve everything.. (alex) */
+static void at76_rx_callback(struct urb *urb)
+{
+	struct at76_priv *priv = urb->context;
+
+	priv->rx_tasklet.data = (unsigned long)urb;
+	tasklet_schedule(&priv->rx_tasklet);
+	return;
+}
+
+static void at76_tx_callback(struct urb *urb)
+{
+	struct at76_priv *priv = urb->context;
+	struct net_device_stats *stats = &priv->stats;
+	unsigned long flags;
+	struct at76_tx_buffer *mgmt_buf;
+	int ret;
+
+	switch (urb->status) {
+	case 0:
+		stats->tx_packets++;
+		break;
+	case -ENOENT:
+	case -ECONNRESET:
+		/* urb has been unlinked */
+		return;
+	default:
+		at76_dbg(DBG_URB, "%s - nonzero tx status received: %d",
+			 __func__, urb->status);
+		stats->tx_errors++;
+		break;
+	}
+
+	spin_lock_irqsave(&priv->mgmt_spinlock, flags);
+	mgmt_buf = priv->next_mgmt_bulk;
+	priv->next_mgmt_bulk = NULL;
+	spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
+
+	if (!mgmt_buf) {
+		netif_wake_queue(priv->netdev);
+		return;
+	}
+
+	/* we don't copy the padding bytes, but add them
+	   to the length */
+	memcpy(priv->bulk_out_buffer, mgmt_buf,
+	       le16_to_cpu(mgmt_buf->wlength) + AT76_TX_HDRLEN);
+	usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe,
+			  priv->bulk_out_buffer,
+			  le16_to_cpu(mgmt_buf->wlength) + mgmt_buf->padding +
+			  AT76_TX_HDRLEN, at76_tx_callback, priv);
+	ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
+	if (ret)
+		printk(KERN_ERR "%s: error in tx submit urb: %d\n",
+		       priv->netdev->name, ret);
+
+	kfree(mgmt_buf);
+}
+
+/* Send a management frame on bulk-out.  txbuf->wlength must be set */
+static int at76_tx_mgmt(struct at76_priv *priv, struct at76_tx_buffer *txbuf)
+{
+	unsigned long flags;
+	int ret;
+	int urb_status;
+	void *oldbuf = NULL;
+
+	netif_carrier_off(priv->netdev);	/* stop netdev watchdog */
+	netif_stop_queue(priv->netdev);	/* stop tx data packets */
+
+	spin_lock_irqsave(&priv->mgmt_spinlock, flags);
+
+	urb_status = priv->tx_urb->status;
+	if (urb_status == -EINPROGRESS) {
+		/* cannot transmit now, put in the queue */
+		oldbuf = priv->next_mgmt_bulk;
+		priv->next_mgmt_bulk = txbuf;
+	}
+	spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
+
+	if (oldbuf) {
+		/* a data/mgmt tx is already pending in the URB -
+		   if this is no error in some situations we must
+		   implement a queue or silently modify the old msg */
+		printk(KERN_ERR "%s: removed pending mgmt buffer %s\n",
+		       priv->netdev->name, hex2str(oldbuf, 64));
+		kfree(oldbuf);
+		return 0;
+	}
+
+	txbuf->tx_rate = TX_RATE_1MBIT;
+	txbuf->padding = at76_calc_padding(le16_to_cpu(txbuf->wlength));
+	memset(txbuf->reserved, 0, sizeof(txbuf->reserved));
+
+	if (priv->next_mgmt_bulk)
+		printk(KERN_ERR "%s: URB status %d, but mgmt is pending\n",
+		       priv->netdev->name, urb_status);
+
+	at76_dbg(DBG_TX_MGMT,
+		 "%s: tx mgmt: wlen %d tx_rate %d pad %d %s",
+		 priv->netdev->name, le16_to_cpu(txbuf->wlength),
+		 txbuf->tx_rate, txbuf->padding,
+		 hex2str(txbuf->packet, le16_to_cpu(txbuf->wlength)));
+
+	/* txbuf was not consumed above -> send mgmt msg immediately */
+	memcpy(priv->bulk_out_buffer, txbuf,
+	       le16_to_cpu(txbuf->wlength) + AT76_TX_HDRLEN);
+	usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe,
+			  priv->bulk_out_buffer,
+			  le16_to_cpu(txbuf->wlength) + txbuf->padding +
+			  AT76_TX_HDRLEN, at76_tx_callback, priv);
+	ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
+	if (ret)
+		printk(KERN_ERR "%s: error in tx submit urb: %d\n",
+		       priv->netdev->name, ret);
+
+	kfree(txbuf);
+
+	return ret;
+}
+
+/* Go to the next information element */
+static inline void next_ie(struct ieee80211_info_element **ie)
+{
+	*ie = (struct ieee80211_info_element *)(&(*ie)->data[(*ie)->len]);
+}
+
+/* Challenge is the challenge string (in TLV format)
+   we got with seq_nr 2 for shared secret authentication only and
+   send in seq_nr 3 WEP encrypted to prove we have the correct WEP key;
+   otherwise it is NULL */
+static int at76_auth_req(struct at76_priv *priv, struct bss_info *bss,
+			 int seq_nr, struct ieee80211_info_element *challenge)
+{
+	struct at76_tx_buffer *tx_buffer;
+	struct ieee80211_hdr_3addr *mgmt;
+	struct ieee80211_auth *req;
+	int buf_len = (seq_nr != 3 ? AUTH_FRAME_SIZE :
+		       AUTH_FRAME_SIZE + 1 + 1 + challenge->len);
+
+	BUG_ON(!bss);
+	BUG_ON(seq_nr == 3 && !challenge);
+	tx_buffer = kmalloc(buf_len + MAX_PADDING_SIZE, GFP_ATOMIC);
+	if (!tx_buffer)
+		return -ENOMEM;
+
+	req = (struct ieee80211_auth *)tx_buffer->packet;
+	mgmt = &req->header;
+
+	/* make wireless header */
+	/* first auth msg is not encrypted, only the second (seq_nr == 3) */
+	mgmt->frame_ctl =
+	    cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH |
+			(seq_nr == 3 ? IEEE80211_FCTL_PROTECTED : 0));
+
+	mgmt->duration_id = cpu_to_le16(0x8000);
+	memcpy(mgmt->addr1, bss->bssid, ETH_ALEN);
+	memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->addr3, bss->bssid, ETH_ALEN);
+	mgmt->seq_ctl = cpu_to_le16(0);
+
+	req->algorithm = cpu_to_le16(priv->auth_mode);
+	req->transaction = cpu_to_le16(seq_nr);
+	req->status = cpu_to_le16(0);
+
+	if (seq_nr == 3)
+		memcpy(req->info_element, challenge, 1 + 1 + challenge->len);
+
+	/* init. at76_priv tx header */
+	tx_buffer->wlength = cpu_to_le16(buf_len - AT76_TX_HDRLEN);
+	at76_dbg(DBG_TX_MGMT, "%s: AuthReq bssid %s alg %d seq_nr %d",
+		 priv->netdev->name, mac2str(mgmt->addr3),
+		 le16_to_cpu(req->algorithm), le16_to_cpu(req->transaction));
+	if (seq_nr == 3)
+		at76_dbg(DBG_TX_MGMT, "%s: AuthReq challenge: %s ...",
+			 priv->netdev->name, hex2str(req->info_element, 18));
+
+	/* either send immediately (if no data tx is pending
+	   or put it in pending list */
+	return at76_tx_mgmt(priv, tx_buffer);
+}
+
+static int at76_assoc_req(struct at76_priv *priv, struct bss_info *bss)
+{
+	struct at76_tx_buffer *tx_buffer;
+	struct ieee80211_hdr_3addr *mgmt;
+	struct ieee80211_assoc_request *req;
+	struct ieee80211_info_element *ie;
+	char *essid;
+	int essid_len;
+	u16 capa;
+
+	BUG_ON(!bss);
+
+	tx_buffer = kmalloc(ASSOCREQ_MAX_SIZE + MAX_PADDING_SIZE, GFP_ATOMIC);
+	if (!tx_buffer)
+		return -ENOMEM;
+
+	req = (struct ieee80211_assoc_request *)tx_buffer->packet;
+	mgmt = &req->header;
+	ie = req->info_element;
+
+	/* make wireless header */
+	mgmt->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+				      IEEE80211_STYPE_ASSOC_REQ);
+
+	mgmt->duration_id = cpu_to_le16(0x8000);
+	memcpy(mgmt->addr1, bss->bssid, ETH_ALEN);
+	memcpy(mgmt->addr2, priv->netdev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->addr3, bss->bssid, ETH_ALEN);
+	mgmt->seq_ctl = cpu_to_le16(0);
+
+	/* we must set the Privacy bit in the capabilities to assure an
+	   Agere-based AP with optional WEP transmits encrypted frames
+	   to us.  AP only set the Privacy bit in their capabilities
+	   if WEP is mandatory in the BSS! */
+	capa = bss->capa;
+	if (priv->wep_enabled)
+		capa |= WLAN_CAPABILITY_PRIVACY;
+	if (priv->preamble_type != PREAMBLE_TYPE_LONG)
+		capa |= WLAN_CAPABILITY_SHORT_PREAMBLE;
+	req->capability = cpu_to_le16(capa);
+
+	req->listen_interval = cpu_to_le16(2 * bss->beacon_interval);
+
+	/* write TLV data elements */
+
+	ie->id = MFIE_TYPE_SSID;
+	ie->len = bss->ssid_len;
+	memcpy(ie->data, bss->ssid, bss->ssid_len);
+	next_ie(&ie);
+
+	ie->id = MFIE_TYPE_RATES;
+	ie->len = sizeof(hw_rates);
+	memcpy(ie->data, hw_rates, sizeof(hw_rates));
+	next_ie(&ie);		/* ie points behind the supp_rates field */
+
+	/* init. at76_priv tx header */
+	tx_buffer->wlength = cpu_to_le16((u8 *)ie - (u8 *)mgmt);
+
+	ie = req->info_element;
+	essid = ie->data;
+	essid_len = min_t(int, IW_ESSID_MAX_SIZE, ie->len);
+
+	next_ie(&ie);		/* points to IE of rates now */
+	at76_dbg(DBG_TX_MGMT,
+		 "%s: AssocReq bssid %s capa 0x%04x ssid %.*s rates %s",
+		 priv->netdev->name, mac2str(mgmt->addr3),
+		 le16_to_cpu(req->capability), essid_len, essid,
+		 hex2str(ie->data, ie->len));
+
+	/* either send immediately (if no data tx is pending
+	   or put it in pending list */
+	return at76_tx_mgmt(priv, tx_buffer);
+}
+
+/* We got to check the bss_list for old entries */
+static void at76_bss_list_timeout(unsigned long par)
+{
+	struct at76_priv *priv = (struct at76_priv *)par;
+	unsigned long flags;
+	struct list_head *lptr, *nptr;
+	struct bss_info *ptr;
+
+	spin_lock_irqsave(&priv->bss_list_spinlock, flags);
+
+	list_for_each_safe(lptr, nptr, &priv->bss_list) {
+
+		ptr = list_entry(lptr, struct bss_info, list);
+
+		if (ptr != priv->curr_bss
+		    && time_after(jiffies, ptr->last_rx + BSS_LIST_TIMEOUT)) {
+			at76_dbg(DBG_BSS_TABLE_RM,
+				 "%s: bss_list: removing old BSS %s ch %d",
+				 priv->netdev->name, mac2str(ptr->bssid),
+				 ptr->channel);
+			list_del(&ptr->list);
+			kfree(ptr);
+		}
+	}
+	spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
+	/* restart the timer */
+	mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT);
+}
+
+static inline void at76_set_mac_state(struct at76_priv *priv,
+				      enum mac_state mac_state)
+{
+	at76_dbg(DBG_MAC_STATE, "%s state: %s", priv->netdev->name,
+		 mac_states[mac_state]);
+	priv->mac_state = mac_state;
+}
+
+static void at76_dump_bss_table(struct at76_priv *priv)
+{
+	struct bss_info *ptr;
+	unsigned long flags;
+	struct list_head *lptr;
+
+	spin_lock_irqsave(&priv->bss_list_spinlock, flags);
+
+	at76_dbg(DBG_BSS_TABLE, "%s BSS table (curr=%p):", priv->netdev->name,
+		 priv->curr_bss);
+
+	list_for_each(lptr, &priv->bss_list) {
+		ptr = list_entry(lptr, struct bss_info, list);
+		at76_dbg(DBG_BSS_TABLE, "0x%p: bssid %s channel %d ssid %.*s "
+			 "(%s) capa 0x%04x rates %s rssi %d link %d noise %d",
+			 ptr, mac2str(ptr->bssid), ptr->channel, ptr->ssid_len,
+			 ptr->ssid, hex2str(ptr->ssid, ptr->ssid_len),
+			 ptr->capa, hex2str(ptr->rates, ptr->rates_len),
+			 ptr->rssi, ptr->link_qual, ptr->noise_level);
+	}
+	spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
+}
+
+/* Called upon successful association to mark interface as connected */
+static void at76_work_assoc_done(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      work_assoc_done);
+
+	mutex_lock(&priv->mtx);
+
+	WARN_ON(priv->mac_state != MAC_ASSOC);
+	WARN_ON(!priv->curr_bss);
+	if (priv->mac_state != MAC_ASSOC || !priv->curr_bss)
+		goto exit;
+
+	if (priv->iw_mode == IW_MODE_INFRA) {
+		if (priv->pm_mode != AT76_PM_OFF) {
+			/* calculate the listen interval in units of
+			   beacon intervals of the curr_bss */
+			u32 pm_period_beacon = (priv->pm_period >> 10) /
+			    priv->curr_bss->beacon_interval;
+
+			pm_period_beacon = max(pm_period_beacon, 2u);
+			pm_period_beacon = min(pm_period_beacon, 0xffffu);
+
+			at76_dbg(DBG_PM,
+				 "%s: pm_mode %d assoc id 0x%x listen int %d",
+				 priv->netdev->name, priv->pm_mode,
+				 priv->assoc_id, pm_period_beacon);
+
+			at76_set_associd(priv, priv->assoc_id);
+			at76_set_listen_interval(priv, (u16)pm_period_beacon);
+		}
+		schedule_delayed_work(&priv->dwork_beacon, BEACON_TIMEOUT);
+	}
+	at76_set_pm_mode(priv);
+
+	netif_carrier_on(priv->netdev);
+	netif_wake_queue(priv->netdev);
+	at76_set_mac_state(priv, MAC_CONNECTED);
+	at76_iwevent_bss_connect(priv->netdev, priv->curr_bss->bssid);
+	at76_dbg(DBG_PROGRESS, "%s: connected to BSSID %s",
+		 priv->netdev->name, mac2str(priv->curr_bss->bssid));
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+/* We only store the new mac address in netdev struct,
+   it gets set when the netdev is opened. */
+static int at76_set_mac_address(struct net_device *netdev, void *addr)
+{
+	struct sockaddr *mac = addr;
+	memcpy(netdev->dev_addr, mac->sa_data, ETH_ALEN);
+	return 1;
+}
+
+static struct net_device_stats *at76_get_stats(struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	return &priv->stats;
+}
+
+static struct iw_statistics *at76_get_wireless_stats(struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_IOCTL, "RETURN qual %d level %d noise %d updated %d",
+		 priv->wstats.qual.qual, priv->wstats.qual.level,
+		 priv->wstats.qual.noise, priv->wstats.qual.updated);
+
+	return &priv->wstats;
+}
+
+static void at76_set_multicast(struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int promisc;
+
+	promisc = ((netdev->flags & IFF_PROMISC) != 0);
+	if (promisc != priv->promisc) {
+		/* This gets called in interrupt, must reschedule */
+		priv->promisc = promisc;
+		schedule_work(&priv->work_set_promisc);
+	}
+}
+
+/* Stop all network activity, flush all pending tasks */
+static void at76_quiesce(struct at76_priv *priv)
+{
+	unsigned long flags;
+
+	netif_stop_queue(priv->netdev);
+	netif_carrier_off(priv->netdev);
+
+	at76_set_mac_state(priv, MAC_INIT);
+
+	cancel_delayed_work(&priv->dwork_get_scan);
+	cancel_delayed_work(&priv->dwork_beacon);
+	cancel_delayed_work(&priv->dwork_auth);
+	cancel_delayed_work(&priv->dwork_assoc);
+	cancel_delayed_work(&priv->dwork_restart);
+
+	spin_lock_irqsave(&priv->mgmt_spinlock, flags);
+	kfree(priv->next_mgmt_bulk);
+	priv->next_mgmt_bulk = NULL;
+	spin_unlock_irqrestore(&priv->mgmt_spinlock, flags);
+}
+
+/*******************************************************************************
+ * at76_priv implementations of iw_handler functions:
+ */
+static int at76_iw_handler_commit(struct net_device *netdev,
+				  struct iw_request_info *info,
+				  void *null, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_IOCTL, "%s %s: restarting the device", netdev->name,
+		 __func__);
+
+	if (priv->mac_state != MAC_INIT)
+		at76_quiesce(priv);
+
+	/* Wait half second before the restart to process subsequent
+	 * requests from the same iwconfig in a single restart */
+	schedule_delayed_work(&priv->dwork_restart, HZ / 2);
+
+	return 0;
+}
+
+static int at76_iw_handler_get_name(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    char *name, char *extra)
+{
+	strcpy(name, "IEEE 802.11b");
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWNAME - name %s", netdev->name, name);
+	return 0;
+}
+
+static int at76_iw_handler_set_freq(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    struct iw_freq *freq, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int chan = -1;
+	int ret = -EIWCOMMIT;
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - freq.m %d freq.e %d",
+		 netdev->name, freq->m, freq->e);
+
+	if ((freq->e == 0) && (freq->m <= 1000))
+		/* Setting by channel number */
+		chan = freq->m;
+	else {
+		/* Setting by frequency - search the table */
+		int mult = 1;
+		int i;
+
+		for (i = 0; i < (6 - freq->e); i++)
+			mult *= 10;
+
+		for (i = 0; i < NUM_CHANNELS; i++) {
+			if (freq->m == (channel_frequency[i] * mult))
+				chan = i + 1;
+		}
+	}
+
+	if (chan < 1 || !priv->domain)
+		/* non-positive channels are invalid
+		 * we need a domain info to set the channel
+		 * either that or an invalid frequency was
+		 * provided by the user */
+		ret = -EINVAL;
+	else if (!(priv->domain->channel_map & (1 << (chan - 1)))) {
+		printk(KERN_INFO "%s: channel %d not allowed for domain %s\n",
+		       priv->netdev->name, chan, priv->domain->name);
+		ret = -EINVAL;
+	}
+
+	if (ret == -EIWCOMMIT) {
+		priv->channel = chan;
+		at76_dbg(DBG_IOCTL, "%s: SIOCSIWFREQ - ch %d", netdev->name,
+			 chan);
+	}
+
+	return ret;
+}
+
+static int at76_iw_handler_get_freq(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    struct iw_freq *freq, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	freq->m = priv->channel;
+	freq->e = 0;
+
+	if (priv->channel)
+		at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - freq %ld x 10e%d",
+			 netdev->name, channel_frequency[priv->channel - 1], 6);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWFREQ - ch %d", netdev->name,
+		 priv->channel);
+
+	return 0;
+}
+
+static int at76_iw_handler_set_mode(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    __u32 *mode, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWMODE - %d", netdev->name, *mode);
+
+	if ((*mode != IW_MODE_ADHOC) && (*mode != IW_MODE_INFRA) &&
+	    (*mode != IW_MODE_MONITOR))
+		return -EINVAL;
+
+	priv->iw_mode = *mode;
+	if (priv->iw_mode != IW_MODE_INFRA)
+		priv->pm_mode = AT76_PM_OFF;
+
+	return -EIWCOMMIT;
+}
+
+static int at76_iw_handler_get_mode(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    __u32 *mode, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	*mode = priv->iw_mode;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWMODE - %d", netdev->name, *mode);
+
+	return 0;
+}
+
+static int at76_iw_handler_get_range(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_point *data, char *extra)
+{
+	/* inspired by atmel.c */
+	struct at76_priv *priv = netdev_priv(netdev);
+	struct iw_range *range = (struct iw_range *)extra;
+	int i;
+
+	data->length = sizeof(struct iw_range);
+	memset(range, 0, sizeof(struct iw_range));
+
+	/* TODO: range->throughput = xxxxxx; */
+
+	range->min_nwid = 0x0000;
+	range->max_nwid = 0x0000;
+
+	/* this driver doesn't maintain sensitivity information */
+	range->sensitivity = 0;
+
+	range->max_qual.qual = 100;
+	range->max_qual.level = 100;
+	range->max_qual.noise = 0;
+	range->max_qual.updated = IW_QUAL_NOISE_INVALID;
+
+	range->avg_qual.qual = 50;
+	range->avg_qual.level = 50;
+	range->avg_qual.noise = 0;
+	range->avg_qual.updated = IW_QUAL_NOISE_INVALID;
+
+	range->bitrate[0] = 1000000;
+	range->bitrate[1] = 2000000;
+	range->bitrate[2] = 5500000;
+	range->bitrate[3] = 11000000;
+	range->num_bitrates = 4;
+
+	range->min_rts = 0;
+	range->max_rts = MAX_RTS_THRESHOLD;
+
+	range->min_frag = MIN_FRAG_THRESHOLD;
+	range->max_frag = MAX_FRAG_THRESHOLD;
+
+	range->pmp_flags = IW_POWER_PERIOD;
+	range->pmt_flags = IW_POWER_ON;
+	range->pm_capa = IW_POWER_PERIOD | IW_POWER_ALL_R;
+
+	range->encoding_size[0] = WEP_SMALL_KEY_LEN;
+	range->encoding_size[1] = WEP_LARGE_KEY_LEN;
+	range->num_encoding_sizes = 2;
+	range->max_encoding_tokens = WEP_KEYS;
+
+	/* both WL-240U and Linksys WUSB11 v2.6 specify 15 dBm as output power
+	   - take this for all (ignore antenna gains) */
+	range->txpower[0] = 15;
+	range->num_txpower = 1;
+	range->txpower_capa = IW_TXPOW_DBM;
+
+	range->we_version_source = WIRELESS_EXT;
+	range->we_version_compiled = WIRELESS_EXT;
+
+	/* same as the values used in atmel.c */
+	range->retry_capa = IW_RETRY_LIMIT;
+	range->retry_flags = IW_RETRY_LIMIT;
+	range->r_time_flags = 0;
+	range->min_retry = 1;
+	range->max_retry = 255;
+
+	range->num_channels = NUM_CHANNELS;
+	range->num_frequency = 0;
+
+	for (i = 0; i < NUM_CHANNELS; i++) {
+		/* test if channel map bit is raised */
+		if (priv->domain->channel_map & (0x1 << i)) {
+			range->num_frequency += 1;
+
+			range->freq[i].i = i + 1;
+			range->freq[i].m = channel_frequency[i] * 100000;
+			range->freq[i].e = 1;	/* freq * 10^1 */
+		}
+	}
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWRANGE", netdev->name);
+
+	return 0;
+}
+
+static int at76_iw_handler_set_spy(struct net_device *netdev,
+				   struct iw_request_info *info,
+				   struct iw_point *data, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = 0;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWSPY - number of addresses %d",
+		 netdev->name, data->length);
+
+	spin_lock_bh(&priv->spy_spinlock);
+	ret = iw_handler_set_spy(priv->netdev, info, (union iwreq_data *)data,
+				 extra);
+	spin_unlock_bh(&priv->spy_spinlock);
+
+	return ret;
+}
+
+static int at76_iw_handler_get_spy(struct net_device *netdev,
+				   struct iw_request_info *info,
+				   struct iw_point *data, char *extra)
+{
+
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = 0;
+
+	spin_lock_bh(&priv->spy_spinlock);
+	ret = iw_handler_get_spy(priv->netdev, info,
+				 (union iwreq_data *)data, extra);
+	spin_unlock_bh(&priv->spy_spinlock);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWSPY - number of addresses %d",
+		 netdev->name, data->length);
+
+	return ret;
+}
+
+static int at76_iw_handler_set_thrspy(struct net_device *netdev,
+				      struct iw_request_info *info,
+				      struct iw_point *data, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWTHRSPY - number of addresses %d)",
+		 netdev->name, data->length);
+
+	spin_lock_bh(&priv->spy_spinlock);
+	ret = iw_handler_set_thrspy(netdev, info, (union iwreq_data *)data,
+				    extra);
+	spin_unlock_bh(&priv->spy_spinlock);
+
+	return ret;
+}
+
+static int at76_iw_handler_get_thrspy(struct net_device *netdev,
+				      struct iw_request_info *info,
+				      struct iw_point *data, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret;
+
+	spin_lock_bh(&priv->spy_spinlock);
+	ret = iw_handler_get_thrspy(netdev, info, (union iwreq_data *)data,
+				    extra);
+	spin_unlock_bh(&priv->spy_spinlock);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWTHRSPY - number of addresses %d)",
+		 netdev->name, data->length);
+
+	return ret;
+}
+
+static int at76_iw_handler_set_wap(struct net_device *netdev,
+				   struct iw_request_info *info,
+				   struct sockaddr *ap_addr, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWAP - wap/bssid %s", netdev->name,
+		 mac2str(ap_addr->sa_data));
+
+	/* if the incoming address == ff:ff:ff:ff:ff:ff, the user has
+	   chosen any or auto AP preference */
+	if (is_broadcast_ether_addr(ap_addr->sa_data)
+	    || is_zero_ether_addr(ap_addr->sa_data))
+		priv->wanted_bssid_valid = 0;
+	else {
+		/* user wants to set a preferred AP address */
+		priv->wanted_bssid_valid = 1;
+		memcpy(priv->wanted_bssid, ap_addr->sa_data, ETH_ALEN);
+	}
+
+	return -EIWCOMMIT;
+}
+
+static int at76_iw_handler_get_wap(struct net_device *netdev,
+				   struct iw_request_info *info,
+				   struct sockaddr *ap_addr, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	ap_addr->sa_family = ARPHRD_ETHER;
+	memcpy(ap_addr->sa_data, priv->bssid, ETH_ALEN);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWAP - wap/bssid %s", netdev->name,
+		 mac2str(ap_addr->sa_data));
+
+	return 0;
+}
+
+static int at76_iw_handler_set_scan(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    union iwreq_data *wrqu, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = 0;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWSCAN", netdev->name);
+
+	if (mutex_lock_interruptible(&priv->mtx))
+		return -EINTR;
+
+	if (!netif_running(netdev)) {
+		ret = -ENETDOWN;
+		goto exit;
+	}
+
+	/* jal: we don't allow "iwlist ethX scan" while we are
+	   in monitor mode */
+	if (priv->iw_mode == IW_MODE_MONITOR) {
+		ret = -EBUSY;
+		goto exit;
+	}
+
+	/* Discard old scan results */
+	if ((jiffies - priv->last_scan) > (20 * HZ))
+		priv->scan_state = SCAN_IDLE;
+	priv->last_scan = jiffies;
+
+	/* Initiate a scan command */
+	if (priv->scan_state == SCAN_IN_PROGRESS) {
+		ret = -EBUSY;
+		goto exit;
+	}
+
+	priv->scan_state = SCAN_IN_PROGRESS;
+
+	at76_quiesce(priv);
+
+	/* Try to do passive or active scan if WE asks as. */
+	if (wrqu->data.length
+	    && wrqu->data.length == sizeof(struct iw_scan_req)) {
+		struct iw_scan_req *req = (struct iw_scan_req *)extra;
+
+		if (req->scan_type == IW_SCAN_TYPE_PASSIVE)
+			priv->scan_mode = SCAN_TYPE_PASSIVE;
+		else if (req->scan_type == IW_SCAN_TYPE_ACTIVE)
+			priv->scan_mode = SCAN_TYPE_ACTIVE;
+
+		/* Sanity check values? */
+		if (req->min_channel_time > 0)
+			priv->scan_min_time = req->min_channel_time;
+
+		if (req->max_channel_time > 0)
+			priv->scan_max_time = req->max_channel_time;
+	}
+
+	/* change to scanning state */
+	at76_set_mac_state(priv, MAC_SCANNING);
+	schedule_work(&priv->work_start_scan);
+
+exit:
+	mutex_unlock(&priv->mtx);
+	return ret;
+}
+
+static int at76_iw_handler_get_scan(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    struct iw_point *data, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	unsigned long flags;
+	struct list_head *lptr, *nptr;
+	struct bss_info *curr_bss;
+	struct iw_event *iwe = kmalloc(sizeof(struct iw_event), GFP_KERNEL);
+	char *curr_val, *curr_pos = extra;
+	int i;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWSCAN", netdev->name);
+
+	if (!iwe)
+		return -ENOMEM;
+
+	if (priv->scan_state != SCAN_COMPLETED)
+		/* scan not yet finished */
+		return -EAGAIN;
+
+	spin_lock_irqsave(&priv->bss_list_spinlock, flags);
+
+	list_for_each_safe(lptr, nptr, &priv->bss_list) {
+		curr_bss = list_entry(lptr, struct bss_info, list);
+
+		iwe->cmd = SIOCGIWAP;
+		iwe->u.ap_addr.sa_family = ARPHRD_ETHER;
+		memcpy(iwe->u.ap_addr.sa_data, curr_bss->bssid, 6);
+		curr_pos = iwe_stream_add_event(info, curr_pos,
+						extra + IW_SCAN_MAX_DATA, iwe,
+						IW_EV_ADDR_LEN);
+
+		iwe->u.data.length = curr_bss->ssid_len;
+		iwe->cmd = SIOCGIWESSID;
+		iwe->u.data.flags = 1;
+
+		curr_pos = iwe_stream_add_point(info, curr_pos,
+						extra + IW_SCAN_MAX_DATA, iwe,
+						curr_bss->ssid);
+
+		iwe->cmd = SIOCGIWMODE;
+		iwe->u.mode = (curr_bss->capa & WLAN_CAPABILITY_IBSS) ?
+		    IW_MODE_ADHOC :
+		    (curr_bss->capa & WLAN_CAPABILITY_ESS) ?
+		    IW_MODE_MASTER : IW_MODE_AUTO;
+		/* IW_MODE_AUTO = 0 which I thought is
+		 * the most logical value to return in this case */
+		curr_pos = iwe_stream_add_event(info, curr_pos,
+						extra + IW_SCAN_MAX_DATA, iwe,
+						IW_EV_UINT_LEN);
+
+		iwe->cmd = SIOCGIWFREQ;
+		iwe->u.freq.m = curr_bss->channel;
+		iwe->u.freq.e = 0;
+		curr_pos = iwe_stream_add_event(info, curr_pos,
+						extra + IW_SCAN_MAX_DATA, iwe,
+						IW_EV_FREQ_LEN);
+
+		iwe->cmd = SIOCGIWENCODE;
+		if (curr_bss->capa & WLAN_CAPABILITY_PRIVACY)
+			iwe->u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
+		else
+			iwe->u.data.flags = IW_ENCODE_DISABLED;
+
+		iwe->u.data.length = 0;
+		curr_pos = iwe_stream_add_point(info, curr_pos,
+						extra + IW_SCAN_MAX_DATA, iwe,
+						NULL);
+
+		/* Add quality statistics */
+		iwe->cmd = IWEVQUAL;
+		iwe->u.qual.noise = 0;
+		iwe->u.qual.updated =
+		    IW_QUAL_NOISE_INVALID | IW_QUAL_LEVEL_UPDATED;
+		iwe->u.qual.level = (curr_bss->rssi * 100 / 42);
+		if (iwe->u.qual.level > 100)
+			iwe->u.qual.level = 100;
+		if (at76_is_intersil(priv->board_type))
+			iwe->u.qual.qual = curr_bss->link_qual;
+		else {
+			iwe->u.qual.qual = 0;
+			iwe->u.qual.updated |= IW_QUAL_QUAL_INVALID;
+		}
+		/* Add new value to event */
+		curr_pos = iwe_stream_add_event(info, curr_pos,
+						extra + IW_SCAN_MAX_DATA, iwe,
+						IW_EV_QUAL_LEN);
+
+		/* Rate: stuffing multiple values in a single event requires
+		 * a bit more of magic - Jean II */
+		curr_val = curr_pos + IW_EV_LCP_LEN;
+
+		iwe->cmd = SIOCGIWRATE;
+		/* Those two flags are ignored... */
+		iwe->u.bitrate.fixed = 0;
+		iwe->u.bitrate.disabled = 0;
+		/* Max 8 values */
+		for (i = 0; i < curr_bss->rates_len; i++) {
+			/* Bit rate given in 500 kb/s units (+ 0x80) */
+			iwe->u.bitrate.value =
+			    ((curr_bss->rates[i] & 0x7f) * 500000);
+			/* Add new value to event */
+			curr_val = iwe_stream_add_value(info, curr_pos,
+							curr_val,
+							extra +
+							IW_SCAN_MAX_DATA, iwe,
+							IW_EV_PARAM_LEN);
+		}
+
+		/* Check if we added any event */
+		if ((curr_val - curr_pos) > IW_EV_LCP_LEN)
+			curr_pos = curr_val;
+
+		/* more information may be sent back using IWECUSTOM */
+
+	}
+
+	spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
+
+	data->length = (curr_pos - extra);
+	data->flags = 0;
+
+	kfree(iwe);
+	return 0;
+}
+
+static int at76_iw_handler_set_essid(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_point *data, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWESSID - %s", netdev->name, extra);
+
+	if (data->flags) {
+		memcpy(priv->essid, extra, data->length);
+		priv->essid_size = data->length;
+	} else
+		priv->essid_size = 0;	/* Use any SSID */
+
+	return -EIWCOMMIT;
+}
+
+static int at76_iw_handler_get_essid(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_point *data, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	if (priv->essid_size) {
+		/* not the ANY ssid in priv->essid */
+		data->flags = 1;
+		data->length = priv->essid_size;
+		memcpy(extra, priv->essid, data->length);
+	} else {
+		/* the ANY ssid was specified */
+		if (priv->mac_state == MAC_CONNECTED && priv->curr_bss) {
+			/* report the SSID we have found */
+			data->flags = 1;
+			data->length = priv->curr_bss->ssid_len;
+			memcpy(extra, priv->curr_bss->ssid, data->length);
+		} else {
+			/* report ANY back */
+			data->flags = 0;
+			data->length = 0;
+		}
+	}
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWESSID - %.*s", netdev->name,
+		 data->length, extra);
+
+	return 0;
+}
+
+static int at76_iw_handler_set_rate(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    struct iw_param *bitrate, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = -EIWCOMMIT;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWRATE - %d", netdev->name,
+		 bitrate->value);
+
+	switch (bitrate->value) {
+	case -1:
+		priv->txrate = TX_RATE_AUTO;
+		break;		/* auto rate */
+	case 1000000:
+		priv->txrate = TX_RATE_1MBIT;
+		break;
+	case 2000000:
+		priv->txrate = TX_RATE_2MBIT;
+		break;
+	case 5500000:
+		priv->txrate = TX_RATE_5_5MBIT;
+		break;
+	case 11000000:
+		priv->txrate = TX_RATE_11MBIT;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static int at76_iw_handler_get_rate(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    struct iw_param *bitrate, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = 0;
+
+	switch (priv->txrate) {
+		/* return max rate if RATE_AUTO */
+	case TX_RATE_AUTO:
+		bitrate->value = 11000000;
+		break;
+	case TX_RATE_1MBIT:
+		bitrate->value = 1000000;
+		break;
+	case TX_RATE_2MBIT:
+		bitrate->value = 2000000;
+		break;
+	case TX_RATE_5_5MBIT:
+		bitrate->value = 5500000;
+		break;
+	case TX_RATE_11MBIT:
+		bitrate->value = 11000000;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+	bitrate->fixed = (priv->txrate != TX_RATE_AUTO);
+	bitrate->disabled = 0;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWRATE - %d", netdev->name,
+		 bitrate->value);
+
+	return ret;
+}
+
+static int at76_iw_handler_set_rts(struct net_device *netdev,
+				   struct iw_request_info *info,
+				   struct iw_param *rts, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = -EIWCOMMIT;
+	int rthr = rts->value;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWRTS - value %d disabled %s",
+		 netdev->name, rts->value, (rts->disabled) ? "true" : "false");
+
+	if (rts->disabled)
+		rthr = MAX_RTS_THRESHOLD;
+
+	if ((rthr < 0) || (rthr > MAX_RTS_THRESHOLD))
+		ret = -EINVAL;
+	else
+		priv->rts_threshold = rthr;
+
+	return ret;
+}
+
+static int at76_iw_handler_get_rts(struct net_device *netdev,
+				   struct iw_request_info *info,
+				   struct iw_param *rts, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	rts->value = priv->rts_threshold;
+	rts->disabled = (rts->value >= MAX_RTS_THRESHOLD);
+	rts->fixed = 1;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWRTS - value %d disabled %s",
+		 netdev->name, rts->value, (rts->disabled) ? "true" : "false");
+
+	return 0;
+}
+
+static int at76_iw_handler_set_frag(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    struct iw_param *frag, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = -EIWCOMMIT;
+	int fthr = frag->value;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWFRAG - value %d, disabled %s",
+		 netdev->name, frag->value,
+		 (frag->disabled) ? "true" : "false");
+
+	if (frag->disabled)
+		fthr = MAX_FRAG_THRESHOLD;
+
+	if ((fthr < MIN_FRAG_THRESHOLD) || (fthr > MAX_FRAG_THRESHOLD))
+		ret = -EINVAL;
+	else
+		priv->frag_threshold = fthr & ~0x1;	/* get an even value */
+
+	return ret;
+}
+
+static int at76_iw_handler_get_frag(struct net_device *netdev,
+				    struct iw_request_info *info,
+				    struct iw_param *frag, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	frag->value = priv->frag_threshold;
+	frag->disabled = (frag->value >= MAX_FRAG_THRESHOLD);
+	frag->fixed = 1;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWFRAG - value %d, disabled %s",
+		 netdev->name, frag->value,
+		 (frag->disabled) ? "true" : "false");
+
+	return 0;
+}
+
+static int at76_iw_handler_get_txpow(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_param *power, char *extra)
+{
+	power->value = 15;
+	power->fixed = 1;	/* No power control */
+	power->disabled = 0;
+	power->flags = IW_TXPOW_DBM;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWTXPOW - txpow %d dBm", netdev->name,
+		 power->value);
+
+	return 0;
+}
+
+/* jal: short retry is handled by the firmware (at least 0.90.x),
+   while long retry is not (?) */
+static int at76_iw_handler_set_retry(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_param *retry, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = -EIWCOMMIT;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWRETRY disabled %d flags 0x%x val %d",
+		 netdev->name, retry->disabled, retry->flags, retry->value);
+
+	if (!retry->disabled && (retry->flags & IW_RETRY_LIMIT)) {
+		if ((retry->flags & IW_RETRY_MIN) ||
+		    !(retry->flags & IW_RETRY_MAX))
+			priv->short_retry_limit = retry->value;
+		else
+			ret = -EINVAL;
+	} else
+		ret = -EINVAL;
+
+	return ret;
+}
+
+/* Adapted (ripped) from atmel.c */
+static int at76_iw_handler_get_retry(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_param *retry, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWRETRY", netdev->name);
+
+	retry->disabled = 0;	/* Can't be disabled */
+	retry->flags = IW_RETRY_LIMIT;
+	retry->value = priv->short_retry_limit;
+
+	return 0;
+}
+
+static int at76_iw_handler_set_encode(struct net_device *netdev,
+				      struct iw_request_info *info,
+				      struct iw_point *encoding, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int index = (encoding->flags & IW_ENCODE_INDEX) - 1;
+	int len = encoding->length;
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCSIWENCODE - enc.flags %08x "
+		 "pointer %p len %d", netdev->name, encoding->flags,
+		 encoding->pointer, encoding->length);
+	at76_dbg(DBG_IOCTL,
+		 "%s: SIOCSIWENCODE - old wepstate: enabled %s key_id %d "
+		 "auth_mode %s", netdev->name,
+		 (priv->wep_enabled) ? "true" : "false", priv->wep_key_id,
+		 (priv->auth_mode ==
+		  WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
+
+	/* take the old default key if index is invalid */
+	if ((index < 0) || (index >= WEP_KEYS))
+		index = priv->wep_key_id;
+
+	if (len > 0) {
+		if (len > WEP_LARGE_KEY_LEN)
+			len = WEP_LARGE_KEY_LEN;
+
+		memset(priv->wep_keys[index], 0, WEP_KEY_LEN);
+		memcpy(priv->wep_keys[index], extra, len);
+		priv->wep_keys_len[index] = (len <= WEP_SMALL_KEY_LEN) ?
+		    WEP_SMALL_KEY_LEN : WEP_LARGE_KEY_LEN;
+		priv->wep_enabled = 1;
+	}
+
+	priv->wep_key_id = index;
+	priv->wep_enabled = ((encoding->flags & IW_ENCODE_DISABLED) == 0);
+
+	if (encoding->flags & IW_ENCODE_RESTRICTED)
+		priv->auth_mode = WLAN_AUTH_SHARED_KEY;
+	if (encoding->flags & IW_ENCODE_OPEN)
+		priv->auth_mode = WLAN_AUTH_OPEN;
+
+	at76_dbg(DBG_IOCTL,
+		 "%s: SIOCSIWENCODE - new wepstate: enabled %s key_id %d "
+		 "key_len %d auth_mode %s", netdev->name,
+		 (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1,
+		 priv->wep_keys_len[priv->wep_key_id],
+		 (priv->auth_mode ==
+		  WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
+
+	return -EIWCOMMIT;
+}
+
+static int at76_iw_handler_get_encode(struct net_device *netdev,
+				      struct iw_request_info *info,
+				      struct iw_point *encoding, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int index = (encoding->flags & IW_ENCODE_INDEX) - 1;
+
+	if ((index < 0) || (index >= WEP_KEYS))
+		index = priv->wep_key_id;
+
+	encoding->flags =
+	    (priv->auth_mode == WLAN_AUTH_SHARED_KEY) ?
+	    IW_ENCODE_RESTRICTED : IW_ENCODE_OPEN;
+
+	if (!priv->wep_enabled)
+		encoding->flags |= IW_ENCODE_DISABLED;
+
+	if (encoding->pointer) {
+		encoding->length = priv->wep_keys_len[index];
+
+		memcpy(extra, priv->wep_keys[index], priv->wep_keys_len[index]);
+
+		encoding->flags |= (index + 1);
+	}
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWENCODE - enc.flags %08x "
+		 "pointer %p len %d", netdev->name, encoding->flags,
+		 encoding->pointer, encoding->length);
+	at76_dbg(DBG_IOCTL,
+		 "%s: SIOCGIWENCODE - wepstate: enabled %s key_id %d "
+		 "key_len %d auth_mode %s", netdev->name,
+		 (priv->wep_enabled) ? "true" : "false", priv->wep_key_id + 1,
+		 priv->wep_keys_len[priv->wep_key_id],
+		 (priv->auth_mode ==
+		  WLAN_AUTH_SHARED_KEY) ? "restricted" : "open");
+
+	return 0;
+}
+
+static int at76_iw_handler_set_power(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_param *prq, char *extra)
+{
+	int err = -EIWCOMMIT;
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_IOCTL,
+		 "%s: SIOCSIWPOWER - disabled %s flags 0x%x value 0x%x",
+		 netdev->name, (prq->disabled) ? "true" : "false", prq->flags,
+		 prq->value);
+
+	if (prq->disabled)
+		priv->pm_mode = AT76_PM_OFF;
+	else {
+		switch (prq->flags & IW_POWER_MODE) {
+		case IW_POWER_ALL_R:
+		case IW_POWER_ON:
+			break;
+		default:
+			err = -EINVAL;
+			goto exit;
+		}
+		if (prq->flags & IW_POWER_PERIOD)
+			priv->pm_period = prq->value;
+
+		if (prq->flags & IW_POWER_TIMEOUT) {
+			err = -EINVAL;
+			goto exit;
+		}
+		priv->pm_mode = AT76_PM_ON;
+	}
+exit:
+	return err;
+}
+
+static int at76_iw_handler_get_power(struct net_device *netdev,
+				     struct iw_request_info *info,
+				     struct iw_param *power, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	power->disabled = (priv->pm_mode == AT76_PM_OFF);
+	if (!power->disabled) {
+		power->flags = IW_POWER_PERIOD | IW_POWER_ALL_R;
+		power->value = priv->pm_period;
+	}
+
+	at76_dbg(DBG_IOCTL, "%s: SIOCGIWPOWER - %s flags 0x%x value 0x%x",
+		 netdev->name, power->disabled ? "disabled" : "enabled",
+		 power->flags, power->value);
+
+	return 0;
+}
+
+/*******************************************************************************
+ * Private IOCTLS
+ */
+static int at76_iw_set_short_preamble(struct net_device *netdev,
+				      struct iw_request_info *info, char *name,
+				      char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int val = *((int *)name);
+	int ret = -EIWCOMMIT;
+
+	at76_dbg(DBG_IOCTL, "%s: AT76_SET_SHORT_PREAMBLE, %d",
+		 netdev->name, val);
+
+	if (val < PREAMBLE_TYPE_LONG || val > PREAMBLE_TYPE_AUTO)
+		ret = -EINVAL;
+	else
+		priv->preamble_type = val;
+
+	return ret;
+}
+
+static int at76_iw_get_short_preamble(struct net_device *netdev,
+				      struct iw_request_info *info,
+				      union iwreq_data *wrqu, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	snprintf(wrqu->name, sizeof(wrqu->name), "%s (%d)",
+		 preambles[priv->preamble_type], priv->preamble_type);
+	return 0;
+}
+
+static int at76_iw_set_debug(struct net_device *netdev,
+			     struct iw_request_info *info,
+			     struct iw_point *data, char *extra)
+{
+	char *ptr;
+	u32 val;
+
+	if (data->length > 0) {
+		val = simple_strtol(extra, &ptr, 0);
+
+		if (ptr == extra)
+			val = DBG_DEFAULTS;
+
+		at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG input %d: %s -> 0x%x",
+			 netdev->name, data->length, extra, val);
+	} else
+		val = DBG_DEFAULTS;
+
+	at76_dbg(DBG_IOCTL, "%s: AT76_SET_DEBUG, old 0x%x, new 0x%x",
+		 netdev->name, at76_debug, val);
+
+	/* jal: some more output to pin down lockups */
+	at76_dbg(DBG_IOCTL, "%s: netif running %d queue_stopped %d "
+		 "carrier_ok %d", netdev->name, netif_running(netdev),
+		 netif_queue_stopped(netdev), netif_carrier_ok(netdev));
+
+	at76_debug = val;
+
+	return 0;
+}
+
+static int at76_iw_get_debug(struct net_device *netdev,
+			     struct iw_request_info *info,
+			     union iwreq_data *wrqu, char *extra)
+{
+	snprintf(wrqu->name, sizeof(wrqu->name), "0x%08x", at76_debug);
+	return 0;
+}
+
+static int at76_iw_set_powersave_mode(struct net_device *netdev,
+				      struct iw_request_info *info, char *name,
+				      char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int val = *((int *)name);
+	int ret = -EIWCOMMIT;
+
+	at76_dbg(DBG_IOCTL, "%s: AT76_SET_POWERSAVE_MODE, %d (%s)",
+		 netdev->name, val,
+		 val == AT76_PM_OFF ? "active" : val == AT76_PM_ON ? "save" :
+		 val == AT76_PM_SMART ? "smart save" : "<invalid>");
+	if (val < AT76_PM_OFF || val > AT76_PM_SMART)
+		ret = -EINVAL;
+	else
+		priv->pm_mode = val;
+
+	return ret;
+}
+
+static int at76_iw_get_powersave_mode(struct net_device *netdev,
+				      struct iw_request_info *info,
+				      union iwreq_data *wrqu, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int *param = (int *)extra;
+
+	param[0] = priv->pm_mode;
+	return 0;
+}
+
+static int at76_iw_set_scan_times(struct net_device *netdev,
+				  struct iw_request_info *info, char *name,
+				  char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int mint = *((int *)name);
+	int maxt = *((int *)name + 1);
+	int ret = -EIWCOMMIT;
+
+	at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_TIMES - min %d max %d",
+		 netdev->name, mint, maxt);
+	if (mint <= 0 || maxt <= 0 || mint > maxt)
+		ret = -EINVAL;
+	else {
+		priv->scan_min_time = mint;
+		priv->scan_max_time = maxt;
+	}
+
+	return ret;
+}
+
+static int at76_iw_get_scan_times(struct net_device *netdev,
+				  struct iw_request_info *info,
+				  union iwreq_data *wrqu, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int *param = (int *)extra;
+
+	param[0] = priv->scan_min_time;
+	param[1] = priv->scan_max_time;
+	return 0;
+}
+
+static int at76_iw_set_scan_mode(struct net_device *netdev,
+				 struct iw_request_info *info, char *name,
+				 char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int val = *((int *)name);
+	int ret = -EIWCOMMIT;
+
+	at76_dbg(DBG_IOCTL, "%s: AT76_SET_SCAN_MODE - mode %s",
+		 netdev->name, (val = SCAN_TYPE_ACTIVE) ? "active" :
+		 (val = SCAN_TYPE_PASSIVE) ? "passive" : "<invalid>");
+
+	if (val != SCAN_TYPE_ACTIVE && val != SCAN_TYPE_PASSIVE)
+		ret = -EINVAL;
+	else
+		priv->scan_mode = val;
+
+	return ret;
+}
+
+static int at76_iw_get_scan_mode(struct net_device *netdev,
+				 struct iw_request_info *info,
+				 union iwreq_data *wrqu, char *extra)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int *param = (int *)extra;
+
+	param[0] = priv->scan_mode;
+	return 0;
+}
+
+#define AT76_SET_HANDLER(h, f) [h - SIOCIWFIRST] = (iw_handler) f
+
+/* Standard wireless handlers */
+static const iw_handler at76_handlers[] = {
+	AT76_SET_HANDLER(SIOCSIWCOMMIT, at76_iw_handler_commit),
+	AT76_SET_HANDLER(SIOCGIWNAME, at76_iw_handler_get_name),
+	AT76_SET_HANDLER(SIOCSIWFREQ, at76_iw_handler_set_freq),
+	AT76_SET_HANDLER(SIOCGIWFREQ, at76_iw_handler_get_freq),
+	AT76_SET_HANDLER(SIOCSIWMODE, at76_iw_handler_set_mode),
+	AT76_SET_HANDLER(SIOCGIWMODE, at76_iw_handler_get_mode),
+	AT76_SET_HANDLER(SIOCGIWRANGE, at76_iw_handler_get_range),
+	AT76_SET_HANDLER(SIOCSIWSPY, at76_iw_handler_set_spy),
+	AT76_SET_HANDLER(SIOCGIWSPY, at76_iw_handler_get_spy),
+	AT76_SET_HANDLER(SIOCSIWTHRSPY, at76_iw_handler_set_thrspy),
+	AT76_SET_HANDLER(SIOCGIWTHRSPY, at76_iw_handler_get_thrspy),
+	AT76_SET_HANDLER(SIOCSIWAP, at76_iw_handler_set_wap),
+	AT76_SET_HANDLER(SIOCGIWAP, at76_iw_handler_get_wap),
+	AT76_SET_HANDLER(SIOCSIWSCAN, at76_iw_handler_set_scan),
+	AT76_SET_HANDLER(SIOCGIWSCAN, at76_iw_handler_get_scan),
+	AT76_SET_HANDLER(SIOCSIWESSID, at76_iw_handler_set_essid),
+	AT76_SET_HANDLER(SIOCGIWESSID, at76_iw_handler_get_essid),
+	AT76_SET_HANDLER(SIOCSIWRATE, at76_iw_handler_set_rate),
+	AT76_SET_HANDLER(SIOCGIWRATE, at76_iw_handler_get_rate),
+	AT76_SET_HANDLER(SIOCSIWRTS, at76_iw_handler_set_rts),
+	AT76_SET_HANDLER(SIOCGIWRTS, at76_iw_handler_get_rts),
+	AT76_SET_HANDLER(SIOCSIWFRAG, at76_iw_handler_set_frag),
+	AT76_SET_HANDLER(SIOCGIWFRAG, at76_iw_handler_get_frag),
+	AT76_SET_HANDLER(SIOCGIWTXPOW, at76_iw_handler_get_txpow),
+	AT76_SET_HANDLER(SIOCSIWRETRY, at76_iw_handler_set_retry),
+	AT76_SET_HANDLER(SIOCGIWRETRY, at76_iw_handler_get_retry),
+	AT76_SET_HANDLER(SIOCSIWENCODE, at76_iw_handler_set_encode),
+	AT76_SET_HANDLER(SIOCGIWENCODE, at76_iw_handler_get_encode),
+	AT76_SET_HANDLER(SIOCSIWPOWER, at76_iw_handler_set_power),
+	AT76_SET_HANDLER(SIOCGIWPOWER, at76_iw_handler_get_power)
+};
+
+#define AT76_SET_PRIV(h, f) [h - SIOCIWFIRSTPRIV] = (iw_handler) f
+
+/* Private wireless handlers */
+static const iw_handler at76_priv_handlers[] = {
+	AT76_SET_PRIV(AT76_SET_SHORT_PREAMBLE, at76_iw_set_short_preamble),
+	AT76_SET_PRIV(AT76_GET_SHORT_PREAMBLE, at76_iw_get_short_preamble),
+	AT76_SET_PRIV(AT76_SET_DEBUG, at76_iw_set_debug),
+	AT76_SET_PRIV(AT76_GET_DEBUG, at76_iw_get_debug),
+	AT76_SET_PRIV(AT76_SET_POWERSAVE_MODE, at76_iw_set_powersave_mode),
+	AT76_SET_PRIV(AT76_GET_POWERSAVE_MODE, at76_iw_get_powersave_mode),
+	AT76_SET_PRIV(AT76_SET_SCAN_TIMES, at76_iw_set_scan_times),
+	AT76_SET_PRIV(AT76_GET_SCAN_TIMES, at76_iw_get_scan_times),
+	AT76_SET_PRIV(AT76_SET_SCAN_MODE, at76_iw_set_scan_mode),
+	AT76_SET_PRIV(AT76_GET_SCAN_MODE, at76_iw_get_scan_mode),
+};
+
+/* Names and arguments of private wireless handlers */
+static const struct iw_priv_args at76_priv_args[] = {
+	/* 0 - long, 1 - short */
+	{AT76_SET_SHORT_PREAMBLE,
+	 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble"},
+
+	{AT76_GET_SHORT_PREAMBLE,
+	 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_preamble"},
+
+	/* we must pass the new debug mask as a string, because iwpriv cannot
+	 * parse hex numbers starting with 0x :-(  */
+	{AT76_SET_DEBUG,
+	 IW_PRIV_TYPE_CHAR | 10, 0, "set_debug"},
+
+	{AT76_GET_DEBUG,
+	 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 10, "get_debug"},
+
+	/* 1 - active, 2 - power save, 3 - smart power save */
+	{AT76_SET_POWERSAVE_MODE,
+	 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_powersave"},
+
+	{AT76_GET_POWERSAVE_MODE,
+	 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_powersave"},
+
+	/* min_channel_time, max_channel_time */
+	{AT76_SET_SCAN_TIMES,
+	 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_scan_times"},
+
+	{AT76_GET_SCAN_TIMES,
+	 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, "get_scan_times"},
+
+	/* 0 - active, 1 - passive scan */
+	{AT76_SET_SCAN_MODE,
+	 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_scan_mode"},
+
+	{AT76_GET_SCAN_MODE,
+	 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_scan_mode"},
+};
+
+static const struct iw_handler_def at76_handler_def = {
+	.num_standard = ARRAY_SIZE(at76_handlers),
+	.num_private = ARRAY_SIZE(at76_priv_handlers),
+	.num_private_args = ARRAY_SIZE(at76_priv_args),
+	.standard = at76_handlers,
+	.private = at76_priv_handlers,
+	.private_args = at76_priv_args,
+	.get_wireless_stats = at76_get_wireless_stats,
+};
+
+static const u8 snapsig[] = { 0xaa, 0xaa, 0x03 };
+
+/* RFC 1042 encapsulates Ethernet frames in 802.2 SNAP (0xaa, 0xaa, 0x03) with
+ * a SNAP OID of 0 (0x00, 0x00, 0x00) */
+static const u8 rfc1042sig[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+
+static int at76_tx(struct sk_buff *skb, struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	struct net_device_stats *stats = &priv->stats;
+	int ret = 0;
+	int wlen;
+	int submit_len;
+	struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer;
+	struct ieee80211_hdr_3addr *i802_11_hdr =
+	    (struct ieee80211_hdr_3addr *)tx_buffer->packet;
+	u8 *payload = i802_11_hdr->payload;
+	struct ethhdr *eh = (struct ethhdr *)skb->data;
+
+	if (netif_queue_stopped(netdev)) {
+		printk(KERN_ERR "%s: %s called while netdev is stopped\n",
+		       netdev->name, __func__);
+		/* skip this packet */
+		dev_kfree_skb(skb);
+		return 0;
+	}
+
+	if (priv->tx_urb->status == -EINPROGRESS) {
+		printk(KERN_ERR "%s: %s called while tx urb is pending\n",
+		       netdev->name, __func__);
+		/* skip this packet */
+		dev_kfree_skb(skb);
+		return 0;
+	}
+
+	if (skb->len < ETH_HLEN) {
+		printk(KERN_ERR "%s: %s: skb too short (%d)\n",
+		       netdev->name, __func__, skb->len);
+		dev_kfree_skb(skb);
+		return 0;
+	}
+
+	at76_ledtrig_tx_activity();	/* tell ledtrigger we send a packet */
+
+	/* we can get rid of memcpy if we set netdev->hard_header_len to
+	   reserve enough space, but we would need to keep the skb around */
+
+	if (ntohs(eh->h_proto) <= ETH_DATA_LEN) {
+		/* this is a 802.3 packet */
+		if (skb->len >= ETH_HLEN + sizeof(rfc1042sig)
+		    && skb->data[ETH_HLEN] == rfc1042sig[0]
+		    && skb->data[ETH_HLEN + 1] == rfc1042sig[1]) {
+			/* higher layer delivered SNAP header - keep it */
+			memcpy(payload, skb->data + ETH_HLEN,
+			       skb->len - ETH_HLEN);
+			wlen = IEEE80211_3ADDR_LEN + skb->len - ETH_HLEN;
+		} else {
+			printk(KERN_ERR "%s: dropping non-SNAP 802.2 packet "
+			       "(DSAP 0x%02x SSAP 0x%02x cntrl 0x%02x)\n",
+			       priv->netdev->name, skb->data[ETH_HLEN],
+			       skb->data[ETH_HLEN + 1],
+			       skb->data[ETH_HLEN + 2]);
+			dev_kfree_skb(skb);
+			return 0;
+		}
+	} else {
+		/* add RFC 1042 header in front */
+		memcpy(payload, rfc1042sig, sizeof(rfc1042sig));
+		memcpy(payload + sizeof(rfc1042sig), &eh->h_proto,
+		       skb->len - offsetof(struct ethhdr, h_proto));
+		wlen = IEEE80211_3ADDR_LEN + sizeof(rfc1042sig) + skb->len -
+		    offsetof(struct ethhdr, h_proto);
+	}
+
+	/* make wireless header */
+	i802_11_hdr->frame_ctl =
+	    cpu_to_le16(IEEE80211_FTYPE_DATA |
+			(priv->wep_enabled ? IEEE80211_FCTL_PROTECTED : 0) |
+			(priv->iw_mode ==
+			 IW_MODE_INFRA ? IEEE80211_FCTL_TODS : 0));
+
+	if (priv->iw_mode == IW_MODE_ADHOC) {
+		memcpy(i802_11_hdr->addr1, eh->h_dest, ETH_ALEN);
+		memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN);
+		memcpy(i802_11_hdr->addr3, priv->bssid, ETH_ALEN);
+	} else if (priv->iw_mode == IW_MODE_INFRA) {
+		memcpy(i802_11_hdr->addr1, priv->bssid, ETH_ALEN);
+		memcpy(i802_11_hdr->addr2, eh->h_source, ETH_ALEN);
+		memcpy(i802_11_hdr->addr3, eh->h_dest, ETH_ALEN);
+	}
+
+	i802_11_hdr->duration_id = cpu_to_le16(0);
+	i802_11_hdr->seq_ctl = cpu_to_le16(0);
+
+	/* setup 'Atmel' header */
+	tx_buffer->wlength = cpu_to_le16(wlen);
+	tx_buffer->tx_rate = priv->txrate;
+	/* for broadcast destination addresses, the firmware 0.100.x
+	   seems to choose the highest rate set with CMD_STARTUP in
+	   basic_rate_set replacing this value */
+
+	memset(tx_buffer->reserved, 0, sizeof(tx_buffer->reserved));
+
+	tx_buffer->padding = at76_calc_padding(wlen);
+	submit_len = wlen + AT76_TX_HDRLEN + tx_buffer->padding;
+
+	at76_dbg(DBG_TX_DATA_CONTENT, "%s skb->data %s", priv->netdev->name,
+		 hex2str(skb->data, 32));
+	at76_dbg(DBG_TX_DATA, "%s tx: wlen 0x%x pad 0x%x rate %d hdr %s",
+		 priv->netdev->name,
+		 le16_to_cpu(tx_buffer->wlength),
+		 tx_buffer->padding, tx_buffer->tx_rate,
+		 hex2str(i802_11_hdr, sizeof(*i802_11_hdr)));
+	at76_dbg(DBG_TX_DATA_CONTENT, "%s payload %s", priv->netdev->name,
+		 hex2str(payload, 48));
+
+	/* send stuff */
+	netif_stop_queue(netdev);
+	netdev->trans_start = jiffies;
+
+	usb_fill_bulk_urb(priv->tx_urb, priv->udev, priv->tx_pipe, tx_buffer,
+			  submit_len, at76_tx_callback, priv);
+	ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC);
+	if (ret) {
+		stats->tx_errors++;
+		printk(KERN_ERR "%s: error in tx submit urb: %d\n",
+		       netdev->name, ret);
+		if (ret == -EINVAL)
+			printk(KERN_ERR
+			       "%s: -EINVAL: tx urb %p hcpriv %p complete %p\n",
+			       priv->netdev->name, priv->tx_urb,
+			       priv->tx_urb->hcpriv, priv->tx_urb->complete);
+	} else {
+		stats->tx_bytes += skb->len;
+		dev_kfree_skb(skb);
+	}
+
+	return ret;
+}
+
+static void at76_tx_timeout(struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	if (!priv)
+		return;
+	dev_warn(&netdev->dev, "tx timeout.");
+
+	usb_unlink_urb(priv->tx_urb);
+	priv->stats.tx_errors++;
+}
+
+static int at76_submit_rx_urb(struct at76_priv *priv)
+{
+	int ret;
+	int size;
+	struct sk_buff *skb = priv->rx_skb;
+
+	if (!priv->rx_urb) {
+		printk(KERN_ERR "%s: %s: priv->rx_urb is NULL\n",
+		       priv->netdev->name, __func__);
+		return -EFAULT;
+	}
+
+	if (!skb) {
+		skb = dev_alloc_skb(sizeof(struct at76_rx_buffer));
+		if (!skb) {
+			printk(KERN_ERR "%s: cannot allocate rx skbuff\n",
+			       priv->netdev->name);
+			ret = -ENOMEM;
+			goto exit;
+		}
+		priv->rx_skb = skb;
+	} else {
+		skb_push(skb, skb_headroom(skb));
+		skb_trim(skb, 0);
+	}
+
+	size = skb_tailroom(skb);
+	usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe,
+			  skb_put(skb, size), size, at76_rx_callback, priv);
+	ret = usb_submit_urb(priv->rx_urb, GFP_ATOMIC);
+	if (ret < 0) {
+		if (ret == -ENODEV)
+			at76_dbg(DBG_DEVSTART,
+				 "usb_submit_urb returned -ENODEV");
+		else
+			printk(KERN_ERR "%s: rx, usb_submit_urb failed: %d\n",
+			       priv->netdev->name, ret);
+	}
+
+exit:
+	if (ret < 0 && ret != -ENODEV)
+		printk(KERN_ERR "%s: cannot submit rx urb - please unload the "
+		       "driver and/or power cycle the device\n",
+		       priv->netdev->name);
+
+	return ret;
+}
+
+static int at76_open(struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	int ret = 0;
+
+	at76_dbg(DBG_PROC_ENTRY, "%s(): entry", __func__);
+
+	if (mutex_lock_interruptible(&priv->mtx))
+		return -EINTR;
+
+	/* if netdev->dev_addr != priv->mac_addr we must
+	   set the mac address in the device ! */
+	if (compare_ether_addr(netdev->dev_addr, priv->mac_addr)) {
+		if (at76_add_mac_address(priv, netdev->dev_addr) >= 0)
+			at76_dbg(DBG_PROGRESS, "%s: set new MAC addr %s",
+				 netdev->name, mac2str(netdev->dev_addr));
+	}
+
+	priv->scan_state = SCAN_IDLE;
+	priv->last_scan = jiffies;
+
+	ret = at76_submit_rx_urb(priv);
+	if (ret < 0) {
+		printk(KERN_ERR "%s: open: submit_rx_urb failed: %d\n",
+		       netdev->name, ret);
+		goto error;
+	}
+
+	schedule_delayed_work(&priv->dwork_restart, 0);
+
+	at76_dbg(DBG_PROC_ENTRY, "%s(): end", __func__);
+error:
+	mutex_unlock(&priv->mtx);
+	return ret < 0 ? ret : 0;
+}
+
+static int at76_stop(struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	at76_dbg(DBG_DEVSTART, "%s: ENTER", __func__);
+
+	if (mutex_lock_interruptible(&priv->mtx))
+		return -EINTR;
+
+	at76_quiesce(priv);
+
+	if (!priv->device_unplugged) {
+		/* We are called by "ifconfig ethX down", not because the
+		 * device is not available anymore. */
+		at76_set_radio(priv, 0);
+
+		/* We unlink rx_urb because at76_open() re-submits it.
+		 * If unplugged, at76_delete_device() takes care of it. */
+		usb_kill_urb(priv->rx_urb);
+	}
+
+	/* free the bss_list */
+	at76_free_bss_list(priv);
+
+	mutex_unlock(&priv->mtx);
+	at76_dbg(DBG_DEVSTART, "%s: EXIT", __func__);
+
+	return 0;
+}
+
+static void at76_ethtool_get_drvinfo(struct net_device *netdev,
+				     struct ethtool_drvinfo *info)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+
+	strncpy(info->driver, DRIVER_NAME, sizeof(info->driver));
+	strncpy(info->version, DRIVER_VERSION, sizeof(info->version));
+
+	usb_make_path(priv->udev, info->bus_info, sizeof(info->bus_info));
+
+	snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d.%d-%d",
+		 priv->fw_version.major, priv->fw_version.minor,
+		 priv->fw_version.patch, priv->fw_version.build);
+}
+
+static u32 at76_ethtool_get_link(struct net_device *netdev)
+{
+	struct at76_priv *priv = netdev_priv(netdev);
+	return priv->mac_state == MAC_CONNECTED;
+}
+
+static struct ethtool_ops at76_ethtool_ops = {
+	.get_drvinfo = at76_ethtool_get_drvinfo,
+	.get_link = at76_ethtool_get_link,
+};
+
+/* Download external firmware */
+static int at76_load_external_fw(struct usb_device *udev, struct fwentry *fwe)
+{
+	int ret;
+	int op_mode;
+	int blockno = 0;
+	int bsize;
+	u8 *block;
+	u8 *buf = fwe->extfw;
+	int size = fwe->extfw_size;
+
+	if (!buf || !size)
+		return -ENOENT;
+
+	op_mode = at76_get_op_mode(udev);
+	at76_dbg(DBG_DEVSTART, "opmode %d", op_mode);
+
+	if (op_mode != OPMODE_NORMAL_NIC_WITHOUT_FLASH) {
+		dev_printk(KERN_ERR, &udev->dev, "unexpected opmode %d\n",
+			   op_mode);
+		return -EINVAL;
+	}
+
+	block = kmalloc(FW_BLOCK_SIZE, GFP_KERNEL);
+	if (!block)
+		return -ENOMEM;
+
+	at76_dbg(DBG_DEVSTART, "downloading external firmware");
+
+	/* for fw >= 0.100, the device needs an extra empty block */
+	do {
+		bsize = min_t(int, size, FW_BLOCK_SIZE);
+		memcpy(block, buf, bsize);
+		at76_dbg(DBG_DEVSTART,
+			 "ext fw, size left = %5d, bsize = %4d, blockno = %2d",
+			 size, bsize, blockno);
+		ret = at76_load_ext_fw_block(udev, blockno, block, bsize);
+		if (ret != bsize) {
+			dev_printk(KERN_ERR, &udev->dev,
+				   "loading %dth firmware block failed: %d\n",
+				   blockno, ret);
+			goto exit;
+		}
+		buf += bsize;
+		size -= bsize;
+		blockno++;
+	} while (bsize > 0);
+
+	if (at76_is_505a(fwe->board_type)) {
+		at76_dbg(DBG_DEVSTART, "200 ms delay for 505a");
+		schedule_timeout_interruptible(HZ / 5 + 1);
+	}
+
+exit:
+	kfree(block);
+	if (ret < 0)
+		dev_printk(KERN_ERR, &udev->dev,
+			   "downloading external firmware failed: %d\n", ret);
+	return ret;
+}
+
+/* Download internal firmware */
+static int at76_load_internal_fw(struct usb_device *udev, struct fwentry *fwe)
+{
+	int ret;
+	int need_remap = !at76_is_505a(fwe->board_type);
+
+	ret = at76_usbdfu_download(udev, fwe->intfw, fwe->intfw_size,
+				   need_remap ? 0 : 2 * HZ);
+
+	if (ret < 0) {
+		dev_printk(KERN_ERR, &udev->dev,
+			   "downloading internal fw failed with %d\n", ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_DEVSTART, "sending REMAP");
+
+	/* no REMAP for 505A (see SF driver) */
+	if (need_remap) {
+		ret = at76_remap(udev);
+		if (ret < 0) {
+			dev_printk(KERN_ERR, &udev->dev,
+				   "sending REMAP failed with %d\n", ret);
+			goto exit;
+		}
+	}
+
+	at76_dbg(DBG_DEVSTART, "sleeping for 2 seconds");
+	schedule_timeout_interruptible(2 * HZ + 1);
+	usb_reset_device(udev);
+
+exit:
+	return ret;
+}
+
+static int at76_match_essid(struct at76_priv *priv, struct bss_info *ptr)
+{
+	/* common criteria for both modi */
+
+	int ret = (priv->essid_size == 0 /* ANY ssid */  ||
+		   (priv->essid_size == ptr->ssid_len &&
+		    !memcmp(priv->essid, ptr->ssid, ptr->ssid_len)));
+	if (!ret)
+		at76_dbg(DBG_BSS_MATCH,
+			 "%s bss table entry %p: essid didn't match",
+			 priv->netdev->name, ptr);
+	return ret;
+}
+
+static inline int at76_match_mode(struct at76_priv *priv, struct bss_info *ptr)
+{
+	int ret;
+
+	if (priv->iw_mode == IW_MODE_ADHOC)
+		ret = ptr->capa & WLAN_CAPABILITY_IBSS;
+	else
+		ret = ptr->capa & WLAN_CAPABILITY_ESS;
+	if (!ret)
+		at76_dbg(DBG_BSS_MATCH,
+			 "%s bss table entry %p: mode didn't match",
+			 priv->netdev->name, ptr);
+	return ret;
+}
+
+static int at76_match_rates(struct at76_priv *priv, struct bss_info *ptr)
+{
+	int i;
+
+	for (i = 0; i < ptr->rates_len; i++) {
+		u8 rate = ptr->rates[i];
+
+		if (!(rate & 0x80))
+			continue;
+
+		/* this is a basic rate we have to support
+		   (see IEEE802.11, ch. 7.3.2.2) */
+		if (rate != (0x80 | hw_rates[0])
+		    && rate != (0x80 | hw_rates[1])
+		    && rate != (0x80 | hw_rates[2])
+		    && rate != (0x80 | hw_rates[3])) {
+			at76_dbg(DBG_BSS_MATCH,
+				 "%s: bss table entry %p: basic rate %02x not "
+				 "supported", priv->netdev->name, ptr, rate);
+			return 0;
+		}
+	}
+
+	/* if we use short preamble, the bss must support it */
+	if (priv->preamble_type == PREAMBLE_TYPE_SHORT &&
+	    !(ptr->capa & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
+		at76_dbg(DBG_BSS_MATCH,
+			 "%s: %p does not support short preamble",
+			 priv->netdev->name, ptr);
+		return 0;
+	} else
+		return 1;
+}
+
+static inline int at76_match_wep(struct at76_priv *priv, struct bss_info *ptr)
+{
+	if (!priv->wep_enabled && ptr->capa & WLAN_CAPABILITY_PRIVACY) {
+		/* we have disabled WEP, but the BSS signals privacy */
+		at76_dbg(DBG_BSS_MATCH,
+			 "%s: bss table entry %p: requires encryption",
+			 priv->netdev->name, ptr);
+		return 0;
+	}
+	/* otherwise if the BSS does not signal privacy it may well
+	   accept encrypted packets from us ... */
+	return 1;
+}
+
+static inline int at76_match_bssid(struct at76_priv *priv, struct bss_info *ptr)
+{
+	if (!priv->wanted_bssid_valid ||
+	    !compare_ether_addr(ptr->bssid, priv->wanted_bssid))
+		return 1;
+
+	at76_dbg(DBG_BSS_MATCH,
+		 "%s: requested bssid - %s does not match",
+		 priv->netdev->name, mac2str(priv->wanted_bssid));
+	at76_dbg(DBG_BSS_MATCH,
+		 "      AP bssid - %s of bss table entry %p",
+		 mac2str(ptr->bssid), ptr);
+	return 0;
+}
+
+/**
+ * at76_match_bss - try to find a matching bss in priv->bss
+ *
+ * last - last bss tried
+ *
+ * last == NULL signals a new round starting with priv->bss_list.next
+ * this function must be called inside an acquired priv->bss_list_spinlock
+ * otherwise the timeout on bss may remove the newly chosen entry
+ */
+static struct bss_info *at76_match_bss(struct at76_priv *priv,
+				       struct bss_info *last)
+{
+	struct bss_info *ptr = NULL;
+	struct list_head *curr;
+
+	curr = last ? last->list.next : priv->bss_list.next;
+	while (curr != &priv->bss_list) {
+		ptr = list_entry(curr, struct bss_info, list);
+		if (at76_match_essid(priv, ptr) && at76_match_mode(priv, ptr)
+		    && at76_match_wep(priv, ptr) && at76_match_rates(priv, ptr)
+		    && at76_match_bssid(priv, ptr))
+			break;
+		curr = curr->next;
+	}
+
+	if (curr == &priv->bss_list)
+		ptr = NULL;
+	/* otherwise ptr points to the struct bss_info we have chosen */
+
+	at76_dbg(DBG_BSS_TABLE, "%s %s: returned %p", priv->netdev->name,
+		 __func__, ptr);
+	return ptr;
+}
+
+/* Start joining a matching BSS, or create own IBSS */
+static void at76_work_join(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      work_join);
+	int ret;
+	unsigned long flags;
+
+	mutex_lock(&priv->mtx);
+
+	WARN_ON(priv->mac_state != MAC_JOINING);
+	if (priv->mac_state != MAC_JOINING)
+		goto exit;
+
+	/* secure the access to priv->curr_bss ! */
+	spin_lock_irqsave(&priv->bss_list_spinlock, flags);
+	priv->curr_bss = at76_match_bss(priv, priv->curr_bss);
+	spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
+
+	if (!priv->curr_bss) {
+		/* here we haven't found a matching (i)bss ... */
+		if (priv->iw_mode == IW_MODE_ADHOC) {
+			at76_set_mac_state(priv, MAC_OWN_IBSS);
+			at76_start_ibss(priv);
+			goto exit;
+		}
+		/* haven't found a matching BSS in infra mode - try again */
+		at76_set_mac_state(priv, MAC_SCANNING);
+		schedule_work(&priv->work_start_scan);
+		goto exit;
+	}
+
+	ret = at76_join_bss(priv, priv->curr_bss);
+	if (ret < 0) {
+		printk(KERN_ERR "%s: join_bss failed with %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	ret = at76_wait_completion(priv, CMD_JOIN);
+	if (ret != CMD_STATUS_COMPLETE) {
+		if (ret != CMD_STATUS_TIME_OUT)
+			printk(KERN_ERR "%s: join_bss completed with %d\n",
+			       priv->netdev->name, ret);
+		else
+			printk(KERN_INFO "%s: join_bss ssid %s timed out\n",
+			       priv->netdev->name,
+			       mac2str(priv->curr_bss->bssid));
+
+		/* retry next BSS immediately */
+		schedule_work(&priv->work_join);
+		goto exit;
+	}
+
+	/* here we have joined the (I)BSS */
+	if (priv->iw_mode == IW_MODE_ADHOC) {
+		struct bss_info *bptr = priv->curr_bss;
+		at76_set_mac_state(priv, MAC_CONNECTED);
+		/* get ESSID, BSSID and channel for priv->curr_bss */
+		priv->essid_size = bptr->ssid_len;
+		memcpy(priv->essid, bptr->ssid, bptr->ssid_len);
+		memcpy(priv->bssid, bptr->bssid, ETH_ALEN);
+		priv->channel = bptr->channel;
+		at76_iwevent_bss_connect(priv->netdev, bptr->bssid);
+		netif_carrier_on(priv->netdev);
+		netif_start_queue(priv->netdev);
+		/* just to be sure */
+		cancel_delayed_work(&priv->dwork_get_scan);
+		cancel_delayed_work(&priv->dwork_auth);
+		cancel_delayed_work(&priv->dwork_assoc);
+	} else {
+		/* send auth req */
+		priv->retries = AUTH_RETRIES;
+		at76_set_mac_state(priv, MAC_AUTH);
+		at76_auth_req(priv, priv->curr_bss, 1, NULL);
+		at76_dbg(DBG_MGMT_TIMER,
+			 "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__);
+		schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
+	}
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+/* Reap scan results */
+static void at76_dwork_get_scan(struct work_struct *work)
+{
+	int status;
+	int ret;
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      dwork_get_scan.work);
+
+	mutex_lock(&priv->mtx);
+	WARN_ON(priv->mac_state != MAC_SCANNING);
+	if (priv->mac_state != MAC_SCANNING)
+		goto exit;
+
+	status = at76_get_cmd_status(priv->udev, CMD_SCAN);
+	if (status < 0) {
+		printk(KERN_ERR "%s: %s: at76_get_cmd_status failed with %d\n",
+		       priv->netdev->name, __func__, status);
+		status = CMD_STATUS_IN_PROGRESS;
+		/* INFO: Hope it was a one off error - if not, scanning
+		   further down the line and stop this cycle */
+	}
+	at76_dbg(DBG_PROGRESS,
+		 "%s %s: got cmd_status %d (state %s, need_any %d)",
+		 priv->netdev->name, __func__, status,
+		 mac_states[priv->mac_state], priv->scan_need_any);
+
+	if (status != CMD_STATUS_COMPLETE) {
+		if ((status != CMD_STATUS_IN_PROGRESS) &&
+		    (status != CMD_STATUS_IDLE))
+			printk(KERN_ERR "%s: %s: Bad scan status: %s\n",
+			       priv->netdev->name, __func__,
+			       at76_get_cmd_status_string(status));
+
+		/* the first cmd status after scan start is always a IDLE ->
+		   start the timer to poll again until COMPLETED */
+		at76_dbg(DBG_MGMT_TIMER,
+			 "%s:%d: starting mgmt_timer for %d ticks",
+			 __func__, __LINE__, SCAN_POLL_INTERVAL);
+		schedule_delayed_work(&priv->dwork_get_scan,
+				      SCAN_POLL_INTERVAL);
+		goto exit;
+	}
+
+	if (at76_debug & DBG_BSS_TABLE)
+		at76_dump_bss_table(priv);
+
+	if (priv->scan_need_any) {
+		ret = at76_start_scan(priv, 0);
+		if (ret < 0)
+			printk(KERN_ERR
+			       "%s: %s: start_scan (ANY) failed with %d\n",
+			       priv->netdev->name, __func__, ret);
+		at76_dbg(DBG_MGMT_TIMER,
+			 "%s:%d: starting mgmt_timer for %d ticks", __func__,
+			 __LINE__, SCAN_POLL_INTERVAL);
+		schedule_delayed_work(&priv->dwork_get_scan,
+				      SCAN_POLL_INTERVAL);
+		priv->scan_need_any = 0;
+	} else {
+		priv->scan_state = SCAN_COMPLETED;
+		/* report the end of scan to user space */
+		at76_iwevent_scan_complete(priv->netdev);
+		at76_set_mac_state(priv, MAC_JOINING);
+		schedule_work(&priv->work_join);
+	}
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+/* Handle loss of beacons from the AP */
+static void at76_dwork_beacon(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      dwork_beacon.work);
+
+	mutex_lock(&priv->mtx);
+	if (priv->mac_state != MAC_CONNECTED || priv->iw_mode != IW_MODE_INFRA)
+		goto exit;
+
+	/* We haven't received any beacons from out AP for BEACON_TIMEOUT */
+	printk(KERN_INFO "%s: lost beacon bssid %s\n",
+	       priv->netdev->name, mac2str(priv->curr_bss->bssid));
+
+	netif_carrier_off(priv->netdev);
+	netif_stop_queue(priv->netdev);
+	at76_iwevent_bss_disconnect(priv->netdev);
+	at76_set_mac_state(priv, MAC_SCANNING);
+	schedule_work(&priv->work_start_scan);
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+/* Handle authentication response timeout */
+static void at76_dwork_auth(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      dwork_auth.work);
+
+	mutex_lock(&priv->mtx);
+	WARN_ON(priv->mac_state != MAC_AUTH);
+	if (priv->mac_state != MAC_AUTH)
+		goto exit;
+
+	at76_dbg(DBG_PROGRESS, "%s: authentication response timeout",
+		 priv->netdev->name);
+
+	if (priv->retries-- >= 0) {
+		at76_auth_req(priv, priv->curr_bss, 1, NULL);
+		at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ",
+			 __func__, __LINE__);
+		schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
+	} else {
+		/* try to get next matching BSS */
+		at76_set_mac_state(priv, MAC_JOINING);
+		schedule_work(&priv->work_join);
+	}
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+/* Handle association response timeout */
+static void at76_dwork_assoc(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      dwork_assoc.work);
+
+	mutex_lock(&priv->mtx);
+	WARN_ON(priv->mac_state != MAC_ASSOC);
+	if (priv->mac_state != MAC_ASSOC)
+		goto exit;
+
+	at76_dbg(DBG_PROGRESS, "%s: association response timeout",
+		 priv->netdev->name);
+
+	if (priv->retries-- >= 0) {
+		at76_assoc_req(priv, priv->curr_bss);
+		at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ",
+			 __func__, __LINE__);
+		schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT);
+	} else {
+		/* try to get next matching BSS */
+		at76_set_mac_state(priv, MAC_JOINING);
+		schedule_work(&priv->work_join);
+	}
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+/* Read new bssid in ad-hoc mode */
+static void at76_work_new_bss(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      work_new_bss);
+	int ret;
+	struct mib_mac_mgmt mac_mgmt;
+
+	mutex_lock(&priv->mtx);
+
+	ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, &mac_mgmt,
+			   sizeof(struct mib_mac_mgmt));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_get_mib failed: %d\n",
+		       priv->netdev->name, ret);
+		goto exit;
+	}
+
+	at76_dbg(DBG_PROGRESS, "ibss_change = 0x%2x", mac_mgmt.ibss_change);
+	memcpy(priv->bssid, mac_mgmt.current_bssid, ETH_ALEN);
+	at76_dbg(DBG_PROGRESS, "using BSSID %s", mac2str(priv->bssid));
+
+	at76_iwevent_bss_connect(priv->netdev, priv->bssid);
+
+	priv->mib_buf.type = MIB_MAC_MGMT;
+	priv->mib_buf.size = 1;
+	priv->mib_buf.index = offsetof(struct mib_mac_mgmt, ibss_change);
+	priv->mib_buf.data.byte = 0;
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (ibss change ok) failed: %d\n",
+		       priv->netdev->name, ret);
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+static int at76_startup_device(struct at76_priv *priv)
+{
+	struct at76_card_config *ccfg = &priv->card_config;
+	int ret;
+
+	at76_dbg(DBG_PARAMS,
+		 "%s param: ssid %.*s (%s) mode %s ch %d wep %s key %d "
+		 "keylen %d", priv->netdev->name, priv->essid_size, priv->essid,
+		 hex2str(priv->essid, IW_ESSID_MAX_SIZE),
+		 priv->iw_mode == IW_MODE_ADHOC ? "adhoc" : "infra",
+		 priv->channel, priv->wep_enabled ? "enabled" : "disabled",
+		 priv->wep_key_id, priv->wep_keys_len[priv->wep_key_id]);
+	at76_dbg(DBG_PARAMS,
+		 "%s param: preamble %s rts %d retry %d frag %d "
+		 "txrate %s auth_mode %d", priv->netdev->name,
+		 preambles[priv->preamble_type], priv->rts_threshold,
+		 priv->short_retry_limit, priv->frag_threshold,
+		 priv->txrate == TX_RATE_1MBIT ? "1MBit" : priv->txrate ==
+		 TX_RATE_2MBIT ? "2MBit" : priv->txrate ==
+		 TX_RATE_5_5MBIT ? "5.5MBit" : priv->txrate ==
+		 TX_RATE_11MBIT ? "11MBit" : priv->txrate ==
+		 TX_RATE_AUTO ? "auto" : "<invalid>", priv->auth_mode);
+	at76_dbg(DBG_PARAMS,
+		 "%s param: pm_mode %d pm_period %d auth_mode %s "
+		 "scan_times %d %d scan_mode %s",
+		 priv->netdev->name, priv->pm_mode, priv->pm_period,
+		 priv->auth_mode == WLAN_AUTH_OPEN ? "open" : "shared_secret",
+		 priv->scan_min_time, priv->scan_max_time,
+		 priv->scan_mode == SCAN_TYPE_ACTIVE ? "active" : "passive");
+
+	memset(ccfg, 0, sizeof(struct at76_card_config));
+	ccfg->promiscuous_mode = 0;
+	ccfg->short_retry_limit = priv->short_retry_limit;
+
+	if (priv->wep_enabled) {
+		if (priv->wep_keys_len[priv->wep_key_id] > WEP_SMALL_KEY_LEN)
+			ccfg->encryption_type = 2;
+		else
+			ccfg->encryption_type = 1;
+
+		/* jal: always exclude unencrypted if WEP is active */
+		ccfg->exclude_unencrypted = 1;
+	} else {
+		ccfg->exclude_unencrypted = 0;
+		ccfg->encryption_type = 0;
+	}
+
+	ccfg->rts_threshold = cpu_to_le16(priv->rts_threshold);
+	ccfg->fragmentation_threshold = cpu_to_le16(priv->frag_threshold);
+
+	memcpy(ccfg->basic_rate_set, hw_rates, 4);
+	/* jal: really needed, we do a set_mib for autorate later ??? */
+	ccfg->auto_rate_fallback = (priv->txrate == TX_RATE_AUTO ? 1 : 0);
+	ccfg->channel = priv->channel;
+	ccfg->privacy_invoked = priv->wep_enabled;
+	memcpy(ccfg->current_ssid, priv->essid, IW_ESSID_MAX_SIZE);
+	ccfg->ssid_len = priv->essid_size;
+
+	ccfg->wep_default_key_id = priv->wep_key_id;
+	memcpy(ccfg->wep_default_key_value, priv->wep_keys, 4 * WEP_KEY_LEN);
+
+	ccfg->short_preamble = priv->preamble_type;
+	ccfg->beacon_period = cpu_to_le16(priv->beacon_period);
+
+	ret = at76_set_card_command(priv->udev, CMD_STARTUP, &priv->card_config,
+				    sizeof(struct at76_card_config));
+	if (ret < 0) {
+		printk(KERN_ERR "%s: at76_set_card_command failed: %d\n",
+		       priv->netdev->name, ret);
+		return ret;
+	}
+
+	at76_wait_completion(priv, CMD_STARTUP);
+
+	/* remove BSSID from previous run */
+	memset(priv->bssid, 0, ETH_ALEN);
+
+	if (at76_set_radio(priv, 1) == 1)
+		at76_wait_completion(priv, CMD_RADIO_ON);
+
+	ret = at76_set_preamble(priv, priv->preamble_type);
+	if (ret < 0)
+		return ret;
+
+	ret = at76_set_frag(priv, priv->frag_threshold);
+	if (ret < 0)
+		return ret;
+
+	ret = at76_set_rts(priv, priv->rts_threshold);
+	if (ret < 0)
+		return ret;
+
+	ret = at76_set_autorate_fallback(priv,
+					 priv->txrate == TX_RATE_AUTO ? 1 : 0);
+	if (ret < 0)
+		return ret;
+
+	ret = at76_set_pm_mode(priv);
+	if (ret < 0)
+		return ret;
+
+	if (at76_debug & DBG_MIB) {
+		at76_dump_mib_mac(priv);
+		at76_dump_mib_mac_addr(priv);
+		at76_dump_mib_mac_mgmt(priv);
+		at76_dump_mib_mac_wep(priv);
+		at76_dump_mib_mdomain(priv);
+		at76_dump_mib_phy(priv);
+		at76_dump_mib_local(priv);
+	}
+
+	return 0;
+}
+
+/* Restart the interface */
+static void at76_dwork_restart(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      dwork_restart.work);
+
+	mutex_lock(&priv->mtx);
+
+	netif_carrier_off(priv->netdev);	/* stop netdev watchdog */
+	netif_stop_queue(priv->netdev);	/* stop tx data packets */
+
+	at76_startup_device(priv);
+
+	if (priv->iw_mode != IW_MODE_MONITOR) {
+		priv->netdev->type = ARPHRD_ETHER;
+		at76_set_mac_state(priv, MAC_SCANNING);
+		schedule_work(&priv->work_start_scan);
+	} else {
+		priv->netdev->type = ARPHRD_IEEE80211_RADIOTAP;
+		at76_start_monitor(priv);
+	}
+
+	mutex_unlock(&priv->mtx);
+}
+
+/* Initiate scanning */
+static void at76_work_start_scan(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      work_start_scan);
+	int ret;
+
+	mutex_lock(&priv->mtx);
+
+	WARN_ON(priv->mac_state != MAC_SCANNING);
+	if (priv->mac_state != MAC_SCANNING)
+		goto exit;
+
+	/* only clear the bss list when a scan is actively initiated,
+	 * otherwise simply rely on at76_bss_list_timeout */
+	if (priv->scan_state == SCAN_IN_PROGRESS) {
+		at76_free_bss_list(priv);
+		priv->scan_need_any = 1;
+	} else
+		priv->scan_need_any = 0;
+
+	ret = at76_start_scan(priv, 1);
+
+	if (ret < 0)
+		printk(KERN_ERR "%s: %s: start_scan failed with %d\n",
+		       priv->netdev->name, __func__, ret);
+	else {
+		at76_dbg(DBG_MGMT_TIMER,
+			 "%s:%d: starting mgmt_timer for %d ticks",
+			 __func__, __LINE__, SCAN_POLL_INTERVAL);
+		schedule_delayed_work(&priv->dwork_get_scan,
+				      SCAN_POLL_INTERVAL);
+	}
+
+exit:
+	mutex_unlock(&priv->mtx);
+}
+
+/* Enable or disable promiscuous mode */
+static void at76_work_set_promisc(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      work_set_promisc);
+	int ret = 0;
+
+	mutex_lock(&priv->mtx);
+
+	priv->mib_buf.type = MIB_LOCAL;
+	priv->mib_buf.size = 1;
+	priv->mib_buf.index = offsetof(struct mib_local, promiscuous_mode);
+	priv->mib_buf.data.byte = priv->promisc ? 1 : 0;
+
+	ret = at76_set_mib(priv, &priv->mib_buf);
+	if (ret < 0)
+		printk(KERN_ERR "%s: set_mib (promiscuous_mode) failed: %d\n",
+		       priv->netdev->name, ret);
+
+	mutex_unlock(&priv->mtx);
+}
+
+/* Submit Rx urb back to the device */
+static void at76_work_submit_rx(struct work_struct *work)
+{
+	struct at76_priv *priv = container_of(work, struct at76_priv,
+					      work_submit_rx);
+
+	mutex_lock(&priv->mtx);
+	at76_submit_rx_urb(priv);
+	mutex_unlock(&priv->mtx);
+}
+
+/* We got an association response */
+static void at76_rx_mgmt_assoc(struct at76_priv *priv,
+			       struct at76_rx_buffer *buf)
+{
+	struct ieee80211_assoc_response *resp =
+	    (struct ieee80211_assoc_response *)buf->packet;
+	u16 assoc_id = le16_to_cpu(resp->aid);
+	u16 status = le16_to_cpu(resp->status);
+
+	at76_dbg(DBG_RX_MGMT, "%s: rx AssocResp bssid %s capa 0x%04x status "
+		 "0x%04x assoc_id 0x%04x rates %s", priv->netdev->name,
+		 mac2str(resp->header.addr3), le16_to_cpu(resp->capability),
+		 status, assoc_id, hex2str(resp->info_element->data,
+					   resp->info_element->len));
+
+	if (priv->mac_state != MAC_ASSOC) {
+		printk(KERN_INFO "%s: AssocResp in state %s ignored\n",
+		       priv->netdev->name, mac_states[priv->mac_state]);
+		return;
+	}
+
+	BUG_ON(!priv->curr_bss);
+
+	cancel_delayed_work(&priv->dwork_assoc);
+	if (status == WLAN_STATUS_SUCCESS) {
+		struct bss_info *ptr = priv->curr_bss;
+		priv->assoc_id = assoc_id & 0x3fff;
+		/* update iwconfig params */
+		memcpy(priv->bssid, ptr->bssid, ETH_ALEN);
+		memcpy(priv->essid, ptr->ssid, ptr->ssid_len);
+		priv->essid_size = ptr->ssid_len;
+		priv->channel = ptr->channel;
+		schedule_work(&priv->work_assoc_done);
+	} else {
+		at76_set_mac_state(priv, MAC_JOINING);
+		schedule_work(&priv->work_join);
+	}
+}
+
+/* Process disassociation request from the AP */
+static void at76_rx_mgmt_disassoc(struct at76_priv *priv,
+				  struct at76_rx_buffer *buf)
+{
+	struct ieee80211_disassoc *resp =
+	    (struct ieee80211_disassoc *)buf->packet;
+	struct ieee80211_hdr_3addr *mgmt = &resp->header;
+
+	at76_dbg(DBG_RX_MGMT,
+		 "%s: rx DisAssoc bssid %s reason 0x%04x destination %s",
+		 priv->netdev->name, mac2str(mgmt->addr3),
+		 le16_to_cpu(resp->reason), mac2str(mgmt->addr1));
+
+	/* We are not connected, ignore */
+	if (priv->mac_state == MAC_SCANNING || priv->mac_state == MAC_INIT
+	    || !priv->curr_bss)
+		return;
+
+	/* Not our BSSID, ignore */
+	if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid))
+		return;
+
+	/* Not for our STA and not broadcast, ignore */
+	if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1)
+	    && !is_broadcast_ether_addr(mgmt->addr1))
+		return;
+
+	if (priv->mac_state != MAC_ASSOC && priv->mac_state != MAC_CONNECTED
+	    && priv->mac_state != MAC_JOINING) {
+		printk(KERN_INFO "%s: DisAssoc in state %s ignored\n",
+		       priv->netdev->name, mac_states[priv->mac_state]);
+		return;
+	}
+
+	if (priv->mac_state == MAC_CONNECTED) {
+		netif_carrier_off(priv->netdev);
+		netif_stop_queue(priv->netdev);
+		at76_iwevent_bss_disconnect(priv->netdev);
+	}
+	cancel_delayed_work(&priv->dwork_get_scan);
+	cancel_delayed_work(&priv->dwork_beacon);
+	cancel_delayed_work(&priv->dwork_auth);
+	cancel_delayed_work(&priv->dwork_assoc);
+	at76_set_mac_state(priv, MAC_JOINING);
+	schedule_work(&priv->work_join);
+}
+
+static void at76_rx_mgmt_auth(struct at76_priv *priv,
+			      struct at76_rx_buffer *buf)
+{
+	struct ieee80211_auth *resp = (struct ieee80211_auth *)buf->packet;
+	struct ieee80211_hdr_3addr *mgmt = &resp->header;
+	int seq_nr = le16_to_cpu(resp->transaction);
+	int alg = le16_to_cpu(resp->algorithm);
+	int status = le16_to_cpu(resp->status);
+
+	at76_dbg(DBG_RX_MGMT,
+		 "%s: rx AuthFrame bssid %s alg %d seq_nr %d status %d "
+		 "destination %s", priv->netdev->name, mac2str(mgmt->addr3),
+		 alg, seq_nr, status, mac2str(mgmt->addr1));
+
+	if (alg == WLAN_AUTH_SHARED_KEY && seq_nr == 2)
+		at76_dbg(DBG_RX_MGMT, "%s: AuthFrame challenge %s ...",
+			 priv->netdev->name, hex2str(resp->info_element, 18));
+
+	if (priv->mac_state != MAC_AUTH) {
+		printk(KERN_INFO "%s: ignored AuthFrame in state %s\n",
+		       priv->netdev->name, mac_states[priv->mac_state]);
+		return;
+	}
+	if (priv->auth_mode != alg) {
+		printk(KERN_INFO "%s: ignored AuthFrame for alg %d\n",
+		       priv->netdev->name, alg);
+		return;
+	}
+
+	BUG_ON(!priv->curr_bss);
+
+	/* Not our BSSID or not for our STA, ignore */
+	if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid)
+	    || compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1))
+		return;
+
+	cancel_delayed_work(&priv->dwork_auth);
+	if (status != WLAN_STATUS_SUCCESS) {
+		/* try to join next bss */
+		at76_set_mac_state(priv, MAC_JOINING);
+		schedule_work(&priv->work_join);
+		return;
+	}
+
+	if (priv->auth_mode == WLAN_AUTH_OPEN || seq_nr == 4) {
+		priv->retries = ASSOC_RETRIES;
+		at76_set_mac_state(priv, MAC_ASSOC);
+		at76_assoc_req(priv, priv->curr_bss);
+		at76_dbg(DBG_MGMT_TIMER,
+			 "%s:%d: starting mgmt_timer + HZ", __func__, __LINE__);
+		schedule_delayed_work(&priv->dwork_assoc, ASSOC_TIMEOUT);
+		return;
+	}
+
+	WARN_ON(seq_nr != 2);
+	at76_auth_req(priv, priv->curr_bss, seq_nr + 1, resp->info_element);
+	at76_dbg(DBG_MGMT_TIMER, "%s:%d: starting mgmt_timer + HZ", __func__,
+		 __LINE__);
+	schedule_delayed_work(&priv->dwork_auth, AUTH_TIMEOUT);
+}
+
+static void at76_rx_mgmt_deauth(struct at76_priv *priv,
+				struct at76_rx_buffer *buf)
+{
+	struct ieee80211_disassoc *resp =
+	    (struct ieee80211_disassoc *)buf->packet;
+	struct ieee80211_hdr_3addr *mgmt = &resp->header;
+
+	at76_dbg(DBG_RX_MGMT | DBG_PROGRESS,
+		 "%s: rx DeAuth bssid %s reason 0x%04x destination %s",
+		 priv->netdev->name, mac2str(mgmt->addr3),
+		 le16_to_cpu(resp->reason), mac2str(mgmt->addr1));
+
+	if (priv->mac_state != MAC_AUTH && priv->mac_state != MAC_ASSOC
+	    && priv->mac_state != MAC_CONNECTED) {
+		printk(KERN_INFO "%s: DeAuth in state %s ignored\n",
+		       priv->netdev->name, mac_states[priv->mac_state]);
+		return;
+	}
+
+	BUG_ON(!priv->curr_bss);
+
+	/* Not our BSSID, ignore */
+	if (compare_ether_addr(mgmt->addr3, priv->curr_bss->bssid))
+		return;
+
+	/* Not for our STA and not broadcast, ignore */
+	if (compare_ether_addr(priv->netdev->dev_addr, mgmt->addr1)
+	    && !is_broadcast_ether_addr(mgmt->addr1))
+		return;
+
+	if (priv->mac_state == MAC_CONNECTED)
+		at76_iwevent_bss_disconnect(priv->netdev);
+
+	at76_set_mac_state(priv, MAC_JOINING);
+	schedule_work(&priv->work_join);
+	cancel_delayed_work(&priv->dwork_get_scan);
+	cancel_delayed_work(&priv->dwork_beacon);
+	cancel_delayed_work(&priv->dwork_auth);
+	cancel_delayed_work(&priv->dwork_assoc);
+}
+
+static void at76_rx_mgmt_beacon(struct at76_priv *priv,
+				struct at76_rx_buffer *buf)
+{
+	int varpar_len;
+	/* beacon content */
+	struct ieee80211_beacon *bdata = (struct ieee80211_beacon *)buf->packet;
+	struct ieee80211_hdr_3addr *mgmt = &bdata->header;
+
+	struct list_head *lptr;
+	struct bss_info *match;	/* entry matching addr3 with its bssid */
+	int new_entry = 0;
+	int len;
+	struct ieee80211_info_element *ie;
+	int have_ssid = 0;
+	int have_rates = 0;
+	int have_channel = 0;
+	int keep_going = 1;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->bss_list_spinlock, flags);
+	if (priv->mac_state == MAC_CONNECTED) {
+		/* in state MAC_CONNECTED we use the mgmt_timer to control
+		   the beacon of the BSS */
+		BUG_ON(!priv->curr_bss);
+
+		if (!compare_ether_addr(priv->curr_bss->bssid, mgmt->addr3)) {
+			/* We got our AP's beacon, defer the timeout handler.
+			   Kill pending work first, as schedule_delayed_work()
+			   won't do it. */
+			cancel_delayed_work(&priv->dwork_beacon);
+			schedule_delayed_work(&priv->dwork_beacon,
+					      BEACON_TIMEOUT);
+			priv->curr_bss->rssi = buf->rssi;
+			priv->beacons_received++;
+			goto exit;
+		}
+	}
+
+	/* look if we have this BSS already in the list */
+	match = NULL;
+
+	if (!list_empty(&priv->bss_list)) {
+		list_for_each(lptr, &priv->bss_list) {
+			struct bss_info *bss_ptr =
+			    list_entry(lptr, struct bss_info, list);
+			if (!compare_ether_addr(bss_ptr->bssid, mgmt->addr3)) {
+				match = bss_ptr;
+				break;
+			}
+		}
+	}
+
+	if (!match) {
+		/* BSS not in the list - append it */
+		match = kzalloc(sizeof(struct bss_info), GFP_ATOMIC);
+		if (!match) {
+			at76_dbg(DBG_BSS_TABLE,
+				 "%s: cannot kmalloc new bss info (%zd byte)",
+				 priv->netdev->name, sizeof(struct bss_info));
+			goto exit;
+		}
+		new_entry = 1;
+		list_add_tail(&match->list, &priv->bss_list);
+	}
+
+	match->capa = le16_to_cpu(bdata->capability);
+	match->beacon_interval = le16_to_cpu(bdata->beacon_interval);
+	match->rssi = buf->rssi;
+	match->link_qual = buf->link_quality;
+	match->noise_level = buf->noise_level;
+	memcpy(match->bssid, mgmt->addr3, ETH_ALEN);
+	at76_dbg(DBG_RX_BEACON, "%s: bssid %s", priv->netdev->name,
+		 mac2str(match->bssid));
+
+	ie = bdata->info_element;
+
+	/* length of var length beacon parameters */
+	varpar_len = min_t(int, le16_to_cpu(buf->wlength) -
+			   sizeof(struct ieee80211_beacon),
+			   BEACON_MAX_DATA_LENGTH);
+
+	/* This routine steps through the bdata->data array to get
+	 * some useful information about the access point.
+	 * Currently, this implementation supports receipt of: SSID,
+	 * supported transfer rates and channel, in any order, with some
+	 * tolerance for intermittent unknown codes (although this
+	 * functionality may not be necessary as the useful information will
+	 * usually arrive in consecutively, but there have been some
+	 * reports of some of the useful information fields arriving in a
+	 * different order).
+	 * It does not support any more IE types although MFIE_TYPE_TIM may
+	 * be supported (on my AP at least).
+	 * The bdata->data array is about 1500 bytes long but only ~36 of those
+	 * bytes are useful, hence the have_ssid etc optimizations. */
+
+	while (keep_going &&
+	       ((&ie->data[ie->len] - (u8 *)bdata->info_element) <=
+		varpar_len)) {
+
+		switch (ie->id) {
+
+		case MFIE_TYPE_SSID:
+			if (have_ssid)
+				break;
+
+			len = min_t(int, IW_ESSID_MAX_SIZE, ie->len);
+
+			/* we copy only if this is a new entry,
+			   or the incoming SSID is not a hidden SSID. This
+			   will protect us from overwriting a real SSID read
+			   in a ProbeResponse with a hidden one from a
+			   following beacon. */
+			if (!new_entry && at76_is_hidden_ssid(ie->data, len)) {
+				have_ssid = 1;
+				break;
+			}
+
+			match->ssid_len = len;
+			memcpy(match->ssid, ie->data, len);
+			at76_dbg(DBG_RX_BEACON, "%s: SSID - %.*s",
+				 priv->netdev->name, len, match->ssid);
+			have_ssid = 1;
+			break;
+
+		case MFIE_TYPE_RATES:
+			if (have_rates)
+				break;
+
+			match->rates_len =
+			    min_t(int, sizeof(match->rates), ie->len);
+			memcpy(match->rates, ie->data, match->rates_len);
+			have_rates = 1;
+			at76_dbg(DBG_RX_BEACON, "%s: SUPPORTED RATES %s",
+				 priv->netdev->name,
+				 hex2str(ie->data, ie->len));
+			break;
+
+		case MFIE_TYPE_DS_SET:
+			if (have_channel)
+				break;
+
+			match->channel = ie->data[0];
+			have_channel = 1;
+			at76_dbg(DBG_RX_BEACON, "%s: CHANNEL - %d",
+				 priv->netdev->name, match->channel);
+			break;
+
+		case MFIE_TYPE_CF_SET:
+		case MFIE_TYPE_TIM:
+		case MFIE_TYPE_IBSS_SET:
+		default:
+			at76_dbg(DBG_RX_BEACON, "%s: beacon IE id %d len %d %s",
+				 priv->netdev->name, ie->id, ie->len,
+				 hex2str(ie->data, ie->len));
+			break;
+		}
+
+		/* advance to the next informational element */
+		next_ie(&ie);
+
+		/* Optimization: after all, the bdata->data array is
+		 * varpar_len bytes long, whereas we get all of the useful
+		 * information after only ~36 bytes, this saves us a lot of
+		 * time (and trouble as the remaining portion of the array
+		 * could be full of junk)
+		 * Comment this out if you want to see what other information
+		 * comes from the AP - although little of it may be useful */
+	}
+
+	at76_dbg(DBG_RX_BEACON, "%s: Finished processing beacon data",
+		 priv->netdev->name);
+
+	match->last_rx = jiffies;	/* record last rx of beacon */
+
+exit:
+	spin_unlock_irqrestore(&priv->bss_list_spinlock, flags);
+}
+
+/* Calculate the link level from a given rx_buffer */
+static void at76_calc_level(struct at76_priv *priv, struct at76_rx_buffer *buf,
+			    struct iw_quality *qual)
+{
+	/* just a guess for now, might be different for other chips */
+	int max_rssi = 42;
+
+	qual->level = (buf->rssi * 100 / max_rssi);
+	if (qual->level > 100)
+		qual->level = 100;
+	qual->updated |= IW_QUAL_LEVEL_UPDATED;
+}
+
+/* Calculate the link quality from a given rx_buffer */
+static void at76_calc_qual(struct at76_priv *priv, struct at76_rx_buffer *buf,
+			   struct iw_quality *qual)
+{
+	if (at76_is_intersil(priv->board_type))
+		qual->qual = buf->link_quality;
+	else {
+		unsigned long elapsed;
+
+		/* Update qual at most once a second */
+		elapsed = jiffies - priv->beacons_last_qual;
+		if (elapsed < 1 * HZ)
+			return;
+
+		qual->qual = qual->level * priv->beacons_received *
+		    msecs_to_jiffies(priv->beacon_period) / elapsed;
+
+		priv->beacons_last_qual = jiffies;
+		priv->beacons_received = 0;
+	}
+	qual->qual = (qual->qual > 100) ? 100 : qual->qual;
+	qual->updated |= IW_QUAL_QUAL_UPDATED;
+}
+
+/* Calculate the noise quality from a given rx_buffer */
+static void at76_calc_noise(struct at76_priv *priv, struct at76_rx_buffer *buf,
+			    struct iw_quality *qual)
+{
+	qual->noise = 0;
+	qual->updated |= IW_QUAL_NOISE_INVALID;
+}
+
+static void at76_update_wstats(struct at76_priv *priv,
+			       struct at76_rx_buffer *buf)
+{
+	struct iw_quality *qual = &priv->wstats.qual;
+
+	if (buf->rssi && priv->mac_state == MAC_CONNECTED) {
+		qual->updated = 0;
+		at76_calc_level(priv, buf, qual);
+		at76_calc_qual(priv, buf, qual);
+		at76_calc_noise(priv, buf, qual);
+	} else {
+		qual->qual = 0;
+		qual->level = 0;
+		qual->noise = 0;
+		qual->updated = IW_QUAL_ALL_INVALID;
+	}
+}
+
+static void at76_rx_mgmt(struct at76_priv *priv, struct at76_rx_buffer *buf)
+{
+	struct ieee80211_hdr_3addr *mgmt =
+	    (struct ieee80211_hdr_3addr *)buf->packet;
+	u16 framectl = le16_to_cpu(mgmt->frame_ctl);
+
+	/* update wstats */
+	if (priv->mac_state != MAC_INIT && priv->mac_state != MAC_SCANNING) {
+		/* jal: this is a dirty hack needed by Tim in ad-hoc mode */
+		/* Data packets always seem to have a 0 link level, so we
+		   only read link quality info from management packets.
+		   Atmel driver actually averages the present, and previous
+		   values, we just present the raw value at the moment - TJS */
+		if (priv->iw_mode == IW_MODE_ADHOC
+		    || (priv->curr_bss
+			&& !compare_ether_addr(mgmt->addr3,
+					       priv->curr_bss->bssid)))
+			at76_update_wstats(priv, buf);
+	}
+
+	at76_dbg(DBG_RX_MGMT_CONTENT, "%s rx mgmt framectl 0x%x %s",
+		 priv->netdev->name, framectl,
+		 hex2str(mgmt, le16_to_cpu(buf->wlength)));
+
+	switch (framectl & IEEE80211_FCTL_STYPE) {
+	case IEEE80211_STYPE_BEACON:
+	case IEEE80211_STYPE_PROBE_RESP:
+		at76_rx_mgmt_beacon(priv, buf);
+		break;
+
+	case IEEE80211_STYPE_ASSOC_RESP:
+		at76_rx_mgmt_assoc(priv, buf);
+		break;
+
+	case IEEE80211_STYPE_DISASSOC:
+		at76_rx_mgmt_disassoc(priv, buf);
+		break;
+
+	case IEEE80211_STYPE_AUTH:
+		at76_rx_mgmt_auth(priv, buf);
+		break;
+
+	case IEEE80211_STYPE_DEAUTH:
+		at76_rx_mgmt_deauth(priv, buf);
+		break;
+
+	default:
+		printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n",
+		       priv->netdev->name, framectl);
+	}
+
+	return;
+}
+
+/* Convert the 802.11 header into an ethernet-style header, make skb
+ * ready for consumption by netif_rx() */
+static void at76_ieee80211_to_eth(struct sk_buff *skb, int iw_mode)
+{
+	struct ieee80211_hdr_3addr *i802_11_hdr;
+	struct ethhdr *eth_hdr_p;
+	u8 *src_addr;
+	u8 *dest_addr;
+
+	i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data;
+
+	/* That would be the ethernet header if the hardware converted
+	 * the frame for us.  Make sure the source and the destination
+	 * match the 802.11 header.  Which hardware does it? */
+	eth_hdr_p = (struct ethhdr *)skb_pull(skb, IEEE80211_3ADDR_LEN);
+
+	dest_addr = i802_11_hdr->addr1;
+	if (iw_mode == IW_MODE_ADHOC)
+		src_addr = i802_11_hdr->addr2;
+	else
+		src_addr = i802_11_hdr->addr3;
+
+	if (!compare_ether_addr(eth_hdr_p->h_source, src_addr) &&
+	    !compare_ether_addr(eth_hdr_p->h_dest, dest_addr))
+		/* Yes, we already have an ethernet header */
+		skb_reset_mac_header(skb);
+	else {
+		u16 len;
+
+		/* Need to build an ethernet header */
+		if (!memcmp(skb->data, snapsig, sizeof(snapsig))) {
+			/* SNAP frame - decapsulate, keep proto */
+			skb_push(skb, offsetof(struct ethhdr, h_proto) -
+				 sizeof(rfc1042sig));
+			len = 0;
+		} else {
+			/* 802.3 frame, proto is length */
+			len = skb->len;
+			skb_push(skb, ETH_HLEN);
+		}
+
+		skb_reset_mac_header(skb);
+		eth_hdr_p = eth_hdr(skb);
+		/* This needs to be done in this order (eth_hdr_p->h_dest may
+		 * overlap src_addr) */
+		memcpy(eth_hdr_p->h_source, src_addr, ETH_ALEN);
+		memcpy(eth_hdr_p->h_dest, dest_addr, ETH_ALEN);
+		if (len)
+			eth_hdr_p->h_proto = htons(len);
+	}
+
+	skb->protocol = eth_type_trans(skb, skb->dev);
+}
+
+/* Check for fragmented data in priv->rx_skb. If the packet was no fragment
+   or it was the last of a fragment set a skb containing the whole packet
+   is returned for further processing. Otherwise we get NULL and are
+   done and the packet is either stored inside the fragment buffer
+   or thrown away.  Every returned skb starts with the ieee802_11 header
+   and contains _no_ FCS at the end */
+static struct sk_buff *at76_check_for_rx_frags(struct at76_priv *priv)
+{
+	struct sk_buff *skb = priv->rx_skb;
+	struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data;
+	struct ieee80211_hdr_3addr *i802_11_hdr =
+	    (struct ieee80211_hdr_3addr *)buf->packet;
+	/* seq_ctrl, fragment_number, sequence number of new packet */
+	u16 sctl = le16_to_cpu(i802_11_hdr->seq_ctl);
+	u16 fragnr = sctl & 0xf;
+	u16 seqnr = sctl >> 4;
+	u16 frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl);
+
+	/* Length including the IEEE802.11 header, but without the trailing
+	 * FCS and without the Atmel Rx header */
+	int length = le16_to_cpu(buf->wlength) - IEEE80211_FCS_LEN;
+
+	/* where does the data payload start in skb->data ? */
+	u8 *data = i802_11_hdr->payload;
+
+	/* length of payload, excl. the trailing FCS */
+	int data_len = length - IEEE80211_3ADDR_LEN;
+
+	int i;
+	struct rx_data_buf *bptr, *optr;
+	unsigned long oldest = ~0UL;
+
+	at76_dbg(DBG_RX_FRAGS,
+		 "%s: rx data frame_ctl %04x addr2 %s seq/frag %d/%d "
+		 "length %d data %d: %s ...", priv->netdev->name, frame_ctl,
+		 mac2str(i802_11_hdr->addr2), seqnr, fragnr, length, data_len,
+		 hex2str(data, 32));
+
+	at76_dbg(DBG_RX_FRAGS_SKB, "%s: incoming skb: head %p data %p "
+		 "tail %p end %p len %d", priv->netdev->name, skb->head,
+		 skb->data, skb_tail_pointer(skb), skb_end_pointer(skb),
+		 skb->len);
+
+	if (data_len < 0) {
+		/* make sure data starts in the buffer */
+		printk(KERN_INFO "%s: data frame too short\n",
+		       priv->netdev->name);
+		return NULL;
+	}
+
+	WARN_ON(length <= AT76_RX_HDRLEN);
+	if (length <= AT76_RX_HDRLEN)
+		return NULL;
+
+	/* remove the at76_rx_buffer header - we don't need it anymore */
+	/* we need the IEEE802.11 header (for the addresses) if this packet
+	   is the first of a chain */
+	skb_pull(skb, AT76_RX_HDRLEN);
+
+	/* remove FCS at end */
+	skb_trim(skb, length);
+
+	at76_dbg(DBG_RX_FRAGS_SKB, "%s: trimmed skb: head %p data %p tail %p "
+		 "end %p len %d data %p data_len %d", priv->netdev->name,
+		 skb->head, skb->data, skb_tail_pointer(skb),
+		 skb_end_pointer(skb), skb->len, data, data_len);
+
+	if (fragnr == 0 && !(frame_ctl & IEEE80211_FCTL_MOREFRAGS)) {
+		/* unfragmented packet received */
+		/* Use a new skb for the next receive */
+		priv->rx_skb = NULL;
+		at76_dbg(DBG_RX_FRAGS, "%s: unfragmented", priv->netdev->name);
+		return skb;
+	}
+
+	/* look if we've got a chain for the sender address.
+	   afterwards optr points to first free or the oldest entry,
+	   or, if i < NR_RX_DATA_BUF, bptr points to the entry for the
+	   sender address */
+	/* determining the oldest entry doesn't cope with jiffies wrapping
+	   but I don't care to delete a young entry at these rare moments ... */
+
+	bptr = priv->rx_data;
+	optr = NULL;
+	for (i = 0; i < NR_RX_DATA_BUF; i++, bptr++) {
+		if (!bptr->skb) {
+			optr = bptr;
+			oldest = 0UL;
+			continue;
+		}
+
+		if (!compare_ether_addr(i802_11_hdr->addr2, bptr->sender))
+			break;
+
+		if (!optr) {
+			optr = bptr;
+			oldest = bptr->last_rx;
+		} else if (bptr->last_rx < oldest)
+			optr = bptr;
+	}
+
+	if (i < NR_RX_DATA_BUF) {
+
+		at76_dbg(DBG_RX_FRAGS, "%s: %d. cacheentry (seq/frag = %d/%d) "
+			 "matched sender addr",
+			 priv->netdev->name, i, bptr->seqnr, bptr->fragnr);
+
+		/* bptr points to an entry for the sender address */
+		if (bptr->seqnr == seqnr) {
+			int left;
+			/* the fragment has the current sequence number */
+			if (((bptr->fragnr + 1) & 0xf) != fragnr) {
+				/* wrong fragment number -> ignore it */
+				/* is & 0xf necessary above ??? */
+				at76_dbg(DBG_RX_FRAGS,
+					 "%s: frag nr mismatch: %d + 1 != %d",
+					 priv->netdev->name, bptr->fragnr,
+					 fragnr);
+				return NULL;
+			}
+			bptr->last_rx = jiffies;
+			/* the next following fragment number ->
+			   add the data at the end */
+
+			/* for test only ??? */
+			left = skb_tailroom(bptr->skb);
+			if (left < data_len)
+				printk(KERN_INFO
+				       "%s: only %d byte free (need %d)\n",
+				       priv->netdev->name, left, data_len);
+			else
+				memcpy(skb_put(bptr->skb, data_len), data,
+				       data_len);
+
+			bptr->fragnr = fragnr;
+			if (frame_ctl & IEEE80211_FCTL_MOREFRAGS)
+				return NULL;
+
+			/* this was the last fragment - send it */
+			skb = bptr->skb;
+			bptr->skb = NULL;	/* free the entry */
+			at76_dbg(DBG_RX_FRAGS, "%s: last frag of seq %d",
+				 priv->netdev->name, seqnr);
+			return skb;
+		}
+
+		/* got another sequence number */
+		if (fragnr == 0) {
+			/* it's the start of a new chain - replace the
+			   old one by this */
+			/* bptr->sender has the correct value already */
+			at76_dbg(DBG_RX_FRAGS,
+				 "%s: start of new seq %d, removing old seq %d",
+				 priv->netdev->name, seqnr, bptr->seqnr);
+			bptr->seqnr = seqnr;
+			bptr->fragnr = 0;
+			bptr->last_rx = jiffies;
+			/* swap bptr->skb and priv->rx_skb */
+			skb = bptr->skb;
+			bptr->skb = priv->rx_skb;
+			priv->rx_skb = skb;
+		} else {
+			/* it from the middle of a new chain ->
+			   delete the old entry and skip the new one */
+			at76_dbg(DBG_RX_FRAGS,
+				 "%s: middle of new seq %d (%d) "
+				 "removing old seq %d",
+				 priv->netdev->name, seqnr, fragnr,
+				 bptr->seqnr);
+			dev_kfree_skb(bptr->skb);
+			bptr->skb = NULL;
+		}
+		return NULL;
+	}
+
+	/* if we didn't find a chain for the sender address, optr
+	   points either to the first free or the oldest entry */
+
+	if (fragnr != 0) {
+		/* this is not the begin of a fragment chain ... */
+		at76_dbg(DBG_RX_FRAGS,
+			 "%s: no chain for non-first fragment (%d)",
+			 priv->netdev->name, fragnr);
+		return NULL;
+	}
+
+	BUG_ON(!optr);
+	if (optr->skb) {
+		/* swap the skb's */
+		skb = optr->skb;
+		optr->skb = priv->rx_skb;
+		priv->rx_skb = skb;
+
+		at76_dbg(DBG_RX_FRAGS,
+			 "%s: free old contents: sender %s seq/frag %d/%d",
+			 priv->netdev->name, mac2str(optr->sender),
+			 optr->seqnr, optr->fragnr);
+
+	} else {
+		/* take the skb from priv->rx_skb */
+		optr->skb = priv->rx_skb;
+		/* let at76_submit_rx_urb() allocate a new skb */
+		priv->rx_skb = NULL;
+
+		at76_dbg(DBG_RX_FRAGS, "%s: use a free entry",
+			 priv->netdev->name);
+	}
+	memcpy(optr->sender, i802_11_hdr->addr2, ETH_ALEN);
+	optr->seqnr = seqnr;
+	optr->fragnr = 0;
+	optr->last_rx = jiffies;
+
+	return NULL;
+}
+
+/* Rx interrupt: we expect the complete data buffer in priv->rx_skb */
+static void at76_rx_data(struct at76_priv *priv)
+{
+	struct net_device *netdev = priv->netdev;
+	struct net_device_stats *stats = &priv->stats;
+	struct sk_buff *skb = priv->rx_skb;
+	struct at76_rx_buffer *buf = (struct at76_rx_buffer *)skb->data;
+	struct ieee80211_hdr_3addr *i802_11_hdr;
+	int length = le16_to_cpu(buf->wlength);
+
+	at76_dbg(DBG_RX_DATA, "%s received data packet: %s", netdev->name,
+		 hex2str(skb->data, AT76_RX_HDRLEN));
+
+	at76_dbg(DBG_RX_DATA_CONTENT, "rx packet: %s",
+		 hex2str(skb->data + AT76_RX_HDRLEN, length));
+
+	skb = at76_check_for_rx_frags(priv);
+	if (!skb)
+		return;
+
+	/* Atmel header and the FCS are already removed */
+	i802_11_hdr = (struct ieee80211_hdr_3addr *)skb->data;
+
+	skb->dev = netdev;
+	skb->ip_summed = CHECKSUM_NONE;	/* TODO: should check CRC */
+
+	if (is_broadcast_ether_addr(i802_11_hdr->addr1)) {
+		if (!compare_ether_addr(i802_11_hdr->addr1, netdev->broadcast))
+			skb->pkt_type = PACKET_BROADCAST;
+		else
+			skb->pkt_type = PACKET_MULTICAST;
+	} else if (compare_ether_addr(i802_11_hdr->addr1, netdev->dev_addr))
+		skb->pkt_type = PACKET_OTHERHOST;
+
+	at76_ieee80211_to_eth(skb, priv->iw_mode);
+
+	netdev->last_rx = jiffies;
+	netif_rx(skb);
+	stats->rx_packets++;
+	stats->rx_bytes += length;
+
+	return;
+}
+
+static void at76_rx_monitor_mode(struct at76_priv *priv)
+{
+	struct at76_rx_radiotap *rt;
+	u8 *payload;
+	int skblen;
+	struct net_device *netdev = priv->netdev;
+	struct at76_rx_buffer *buf =
+	    (struct at76_rx_buffer *)priv->rx_skb->data;
+	/* length including the IEEE802.11 header and the trailing FCS,
+	   but not at76_rx_buffer */
+	int length = le16_to_cpu(buf->wlength);
+	struct sk_buff *skb = priv->rx_skb;
+	struct net_device_stats *stats = &priv->stats;
+
+	if (length < IEEE80211_FCS_LEN) {
+		/* buffer contains no data */
+		at76_dbg(DBG_MONITOR_MODE,
+			 "%s: MONITOR MODE: rx skb without data",
+			 priv->netdev->name);
+		return;
+	}
+
+	skblen = sizeof(struct at76_rx_radiotap) + length;
+
+	skb = dev_alloc_skb(skblen);
+	if (!skb) {
+		printk(KERN_ERR "%s: MONITOR MODE: dev_alloc_skb for radiotap "
+		       "header returned NULL\n", priv->netdev->name);
+		return;
+	}
+
+	skb_put(skb, skblen);
+
+	rt = (struct at76_rx_radiotap *)skb->data;
+	payload = skb->data + sizeof(struct at76_rx_radiotap);
+
+	rt->rt_hdr.it_version = 0;
+	rt->rt_hdr.it_pad = 0;
+	rt->rt_hdr.it_len = cpu_to_le16(sizeof(struct at76_rx_radiotap));
+	rt->rt_hdr.it_present = cpu_to_le32(AT76_RX_RADIOTAP_PRESENT);
+
+	rt->rt_tsft = cpu_to_le64(le32_to_cpu(buf->rx_time));
+	rt->rt_rate = hw_rates[buf->rx_rate] & (~0x80);
+	rt->rt_signal = buf->rssi;
+	rt->rt_noise = buf->noise_level;
+	rt->rt_flags = IEEE80211_RADIOTAP_F_FCS;
+	if (buf->fragmentation)
+		rt->rt_flags |= IEEE80211_RADIOTAP_F_FRAG;
+
+	memcpy(payload, buf->packet, length);
+	skb->dev = netdev;
+	skb->ip_summed = CHECKSUM_NONE;
+	skb_reset_mac_header(skb);
+	skb->pkt_type = PACKET_OTHERHOST;
+	skb->protocol = htons(ETH_P_802_2);
+
+	netdev->last_rx = jiffies;
+	netif_rx(skb);
+	stats->rx_packets++;
+	stats->rx_bytes += length;
+}
+
+/* Check if we spy on the sender address in buf and update stats */
+static void at76_iwspy_update(struct at76_priv *priv,
+			      struct at76_rx_buffer *buf)
+{
+	struct ieee80211_hdr_3addr *hdr =
+	    (struct ieee80211_hdr_3addr *)buf->packet;
+	struct iw_quality qual;
+
+	/* We can only set the level here */
+	qual.updated = IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
+	qual.level = 0;
+	qual.noise = 0;
+	at76_calc_level(priv, buf, &qual);
+
+	spin_lock_bh(&priv->spy_spinlock);
+
+	if (priv->spy_data.spy_number > 0)
+		wireless_spy_update(priv->netdev, hdr->addr2, &qual);
+
+	spin_unlock_bh(&priv->spy_spinlock);
+}
+
+static void at76_rx_tasklet(unsigned long param)
+{
+	struct urb *urb = (struct urb *)param;
+	struct at76_priv *priv = urb->context;
+	struct net_device *netdev = priv->netdev;
+	struct at76_rx_buffer *buf;
+	struct ieee80211_hdr_3addr *i802_11_hdr;
+	u16 frame_ctl;
+
+	if (priv->device_unplugged) {
+		at76_dbg(DBG_DEVSTART, "device unplugged");
+		if (urb)
+			at76_dbg(DBG_DEVSTART, "urb status %d", urb->status);
+		return;
+	}
+
+	if (!priv->rx_skb || !netdev || !priv->rx_skb->data)
+		return;
+
+	buf = (struct at76_rx_buffer *)priv->rx_skb->data;
+
+	i802_11_hdr = (struct ieee80211_hdr_3addr *)buf->packet;
+
+	frame_ctl = le16_to_cpu(i802_11_hdr->frame_ctl);
+
+	if (urb->status != 0) {
+		if (urb->status != -ENOENT && urb->status != -ECONNRESET)
+			at76_dbg(DBG_URB,
+				 "%s %s: - nonzero Rx bulk status received: %d",
+				 __func__, netdev->name, urb->status);
+		return;
+	}
+
+	at76_dbg(DBG_RX_ATMEL_HDR,
+		 "%s: rx frame: rate %d rssi %d noise %d link %d %s",
+		 priv->netdev->name, buf->rx_rate, buf->rssi, buf->noise_level,
+		 buf->link_quality, hex2str(i802_11_hdr, 48));
+	if (priv->iw_mode == IW_MODE_MONITOR) {
+		at76_rx_monitor_mode(priv);
+		goto exit;
+	}
+
+	/* there is a new bssid around, accept it: */
+	if (buf->newbss && priv->iw_mode == IW_MODE_ADHOC) {
+		at76_dbg(DBG_PROGRESS, "%s: rx newbss", netdev->name);
+		schedule_work(&priv->work_new_bss);
+	}
+
+	switch (frame_ctl & IEEE80211_FCTL_FTYPE) {
+	case IEEE80211_FTYPE_DATA:
+		at76_rx_data(priv);
+		break;
+
+	case IEEE80211_FTYPE_MGMT:
+		/* jal: TODO: find out if we can update iwspy also on
+		   other frames than management (might depend on the
+		   radio chip / firmware version !) */
+
+		at76_iwspy_update(priv, buf);
+
+		at76_rx_mgmt(priv, buf);
+		break;
+
+	case IEEE80211_FTYPE_CTL:
+		at76_dbg(DBG_RX_CTRL, "%s: ignored ctrl frame: %04x",
+			 priv->netdev->name, frame_ctl);
+		break;
+
+	default:
+		printk(KERN_DEBUG "%s: ignoring frame with framectl 0x%04x\n",
+		       priv->netdev->name, frame_ctl);
+	}
+exit:
+	at76_submit_rx_urb(priv);
+}
+
+/* Load firmware into kernel memory and parse it */
+static struct fwentry *at76_load_firmware(struct usb_device *udev,
+					  enum board_type board_type)
+{
+	int ret;
+	char *str;
+	struct at76_fw_header *fwh;
+	struct fwentry *fwe = &firmwares[board_type];
+
+	mutex_lock(&fw_mutex);
+
+	if (fwe->loaded) {
+		at76_dbg(DBG_FW, "re-using previously loaded fw");
+		goto exit;
+	}
+
+	at76_dbg(DBG_FW, "downloading firmware %s", fwe->fwname);
+	ret = request_firmware(&fwe->fw, fwe->fwname, &udev->dev);
+	if (ret < 0) {
+		dev_printk(KERN_ERR, &udev->dev, "firmware %s not found!\n",
+			   fwe->fwname);
+		dev_printk(KERN_ERR, &udev->dev,
+			   "you may need to download the firmware from "
+			   "http://developer.berlios.de/projects/at76c503a/");
+		goto exit;
+	}
+
+	at76_dbg(DBG_FW, "got it.");
+	fwh = (struct at76_fw_header *)(fwe->fw->data);
+
+	if (fwe->fw->size <= sizeof(*fwh)) {
+		dev_printk(KERN_ERR, &udev->dev,
+			   "firmware is too short (0x%zx)\n", fwe->fw->size);
+		goto exit;
+	}
+
+	/* CRC currently not checked */
+	fwe->board_type = le32_to_cpu(fwh->board_type);
+	if (fwe->board_type != board_type) {
+		dev_printk(KERN_ERR, &udev->dev,
+			   "board type mismatch, requested %u, got %u\n",
+			   board_type, fwe->board_type);
+		goto exit;
+	}
+
+	fwe->fw_version.major = fwh->major;
+	fwe->fw_version.minor = fwh->minor;
+	fwe->fw_version.patch = fwh->patch;
+	fwe->fw_version.build = fwh->build;
+
+	str = (char *)fwh + le32_to_cpu(fwh->str_offset);
+	fwe->intfw = (u8 *)fwh + le32_to_cpu(fwh->int_fw_offset);
+	fwe->intfw_size = le32_to_cpu(fwh->int_fw_len);
+	fwe->extfw = (u8 *)fwh + le32_to_cpu(fwh->ext_fw_offset);
+	fwe->extfw_size = le32_to_cpu(fwh->ext_fw_len);
+
+	fwe->loaded = 1;
+
+	dev_printk(KERN_DEBUG, &udev->dev,
+		   "using firmware %s (version %d.%d.%d-%d)\n",
+		   fwe->fwname, fwh->major, fwh->minor, fwh->patch, fwh->build);
+
+	at76_dbg(DBG_DEVSTART, "board %u, int %d:%d, ext %d:%d", board_type,
+		 le32_to_cpu(fwh->int_fw_offset), le32_to_cpu(fwh->int_fw_len),
+		 le32_to_cpu(fwh->ext_fw_offset), le32_to_cpu(fwh->ext_fw_len));
+	at76_dbg(DBG_DEVSTART, "firmware id %s", str);
+
+exit:
+	mutex_unlock(&fw_mutex);
+
+	if (fwe->loaded)
+		return fwe;
+	else
+		return NULL;
+}
+
+/* Allocate network device and initialize private data */
+static struct at76_priv *at76_alloc_new_device(struct usb_device *udev)
+{
+	struct net_device *netdev;
+	struct at76_priv *priv;
+	int i;
+
+	/* allocate memory for our device state and initialize it */
+	netdev = alloc_etherdev(sizeof(struct at76_priv));
+	if (!netdev) {
+		dev_printk(KERN_ERR, &udev->dev, "out of memory\n");
+		return NULL;
+	}
+
+	priv = netdev_priv(netdev);
+
+	priv->udev = udev;
+	priv->netdev = netdev;
+
+	mutex_init(&priv->mtx);
+	INIT_WORK(&priv->work_assoc_done, at76_work_assoc_done);
+	INIT_WORK(&priv->work_join, at76_work_join);
+	INIT_WORK(&priv->work_new_bss, at76_work_new_bss);
+	INIT_WORK(&priv->work_start_scan, at76_work_start_scan);
+	INIT_WORK(&priv->work_set_promisc, at76_work_set_promisc);
+	INIT_WORK(&priv->work_submit_rx, at76_work_submit_rx);
+	INIT_DELAYED_WORK(&priv->dwork_restart, at76_dwork_restart);
+	INIT_DELAYED_WORK(&priv->dwork_get_scan, at76_dwork_get_scan);
+	INIT_DELAYED_WORK(&priv->dwork_beacon, at76_dwork_beacon);
+	INIT_DELAYED_WORK(&priv->dwork_auth, at76_dwork_auth);
+	INIT_DELAYED_WORK(&priv->dwork_assoc, at76_dwork_assoc);
+
+	spin_lock_init(&priv->mgmt_spinlock);
+	priv->next_mgmt_bulk = NULL;
+	priv->mac_state = MAC_INIT;
+
+	/* initialize empty BSS list */
+	priv->curr_bss = NULL;
+	INIT_LIST_HEAD(&priv->bss_list);
+	spin_lock_init(&priv->bss_list_spinlock);
+
+	init_timer(&priv->bss_list_timer);
+	priv->bss_list_timer.data = (unsigned long)priv;
+	priv->bss_list_timer.function = at76_bss_list_timeout;
+
+	spin_lock_init(&priv->spy_spinlock);
+
+	/* mark all rx data entries as unused */
+	for (i = 0; i < NR_RX_DATA_BUF; i++)
+		priv->rx_data[i].skb = NULL;
+
+	priv->rx_tasklet.func = at76_rx_tasklet;
+	priv->rx_tasklet.data = 0;
+
+	priv->pm_mode = AT76_PM_OFF;
+	priv->pm_period = 0;
+
+	return priv;
+}
+
+static int at76_alloc_urbs(struct at76_priv *priv,
+			   struct usb_interface *interface)
+{
+	struct usb_endpoint_descriptor *endpoint, *ep_in, *ep_out;
+	int i;
+	int buffer_size;
+	struct usb_host_interface *iface_desc;
+
+	at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__);
+
+	at76_dbg(DBG_URB, "%s: NumEndpoints %d ", __func__,
+		 interface->altsetting[0].desc.bNumEndpoints);
+
+	ep_in = NULL;
+	ep_out = NULL;
+	iface_desc = interface->cur_altsetting;
+	for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
+		endpoint = &iface_desc->endpoint[i].desc;
+
+		at76_dbg(DBG_URB, "%s: %d. endpoint: addr 0x%x attr 0x%x",
+			 __func__, i, endpoint->bEndpointAddress,
+			 endpoint->bmAttributes);
+
+		if (!ep_in && usb_endpoint_is_bulk_in(endpoint))
+			ep_in = endpoint;
+
+		if (!ep_out && usb_endpoint_is_bulk_out(endpoint))
+			ep_out = endpoint;
+	}
+
+	if (!ep_in || !ep_out) {
+		dev_printk(KERN_ERR, &interface->dev,
+			   "bulk endpoints missing\n");
+		return -ENXIO;
+	}
+
+	priv->rx_pipe = usb_rcvbulkpipe(priv->udev, ep_in->bEndpointAddress);
+	priv->tx_pipe = usb_sndbulkpipe(priv->udev, ep_out->bEndpointAddress);
+
+	priv->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
+	priv->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!priv->rx_urb || !priv->tx_urb) {
+		dev_printk(KERN_ERR, &interface->dev, "cannot allocate URB\n");
+		return -ENOMEM;
+	}
+
+	buffer_size = sizeof(struct at76_tx_buffer) + MAX_PADDING_SIZE;
+	priv->bulk_out_buffer = kmalloc(buffer_size, GFP_KERNEL);
+	if (!priv->bulk_out_buffer) {
+		dev_printk(KERN_ERR, &interface->dev,
+			   "cannot allocate output buffer\n");
+		return -ENOMEM;
+	}
+
+	at76_dbg(DBG_PROC_ENTRY, "%s: EXIT", __func__);
+
+	return 0;
+}
+
+/* Register network device and initialize the hardware */
+static int at76_init_new_device(struct at76_priv *priv,
+				struct usb_interface *interface)
+{
+	struct net_device *netdev = priv->netdev;
+	int ret;
+
+	/* set up the endpoint information */
+	/* check out the endpoints */
+
+	at76_dbg(DBG_DEVSTART, "USB interface: %d endpoints",
+		 interface->cur_altsetting->desc.bNumEndpoints);
+
+	ret = at76_alloc_urbs(priv, interface);
+	if (ret < 0)
+		goto exit;
+
+	/* MAC address */
+	ret = at76_get_hw_config(priv);
+	if (ret < 0) {
+		dev_printk(KERN_ERR, &interface->dev,
+			   "cannot get MAC address\n");
+		goto exit;
+	}
+
+	priv->domain = at76_get_reg_domain(priv->regulatory_domain);
+	/* init. netdev->dev_addr */
+	memcpy(netdev->dev_addr, priv->mac_addr, ETH_ALEN);
+
+	priv->channel = DEF_CHANNEL;
+	priv->iw_mode = IW_MODE_INFRA;
+	priv->rts_threshold = DEF_RTS_THRESHOLD;
+	priv->frag_threshold = DEF_FRAG_THRESHOLD;
+	priv->short_retry_limit = DEF_SHORT_RETRY_LIMIT;
+	priv->txrate = TX_RATE_AUTO;
+	priv->preamble_type = PREAMBLE_TYPE_LONG;
+	priv->beacon_period = 100;
+	priv->beacons_last_qual = jiffies;
+	priv->auth_mode = WLAN_AUTH_OPEN;
+	priv->scan_min_time = DEF_SCAN_MIN_TIME;
+	priv->scan_max_time = DEF_SCAN_MAX_TIME;
+	priv->scan_mode = SCAN_TYPE_ACTIVE;
+
+	netdev->flags &= ~IFF_MULTICAST;	/* not yet or never */
+	netdev->open = at76_open;
+	netdev->stop = at76_stop;
+	netdev->get_stats = at76_get_stats;
+	netdev->ethtool_ops = &at76_ethtool_ops;
+
+	/* Add pointers to enable iwspy support. */
+	priv->wireless_data.spy_data = &priv->spy_data;
+	netdev->wireless_data = &priv->wireless_data;
+
+	netdev->hard_start_xmit = at76_tx;
+	netdev->tx_timeout = at76_tx_timeout;
+	netdev->watchdog_timeo = 2 * HZ;
+	netdev->wireless_handlers = &at76_handler_def;
+	netdev->set_multicast_list = at76_set_multicast;
+	netdev->set_mac_address = at76_set_mac_address;
+	dev_alloc_name(netdev, "wlan%d");
+
+	ret = register_netdev(priv->netdev);
+	if (ret) {
+		dev_printk(KERN_ERR, &interface->dev,
+			   "cannot register netdevice (status %d)!\n", ret);
+		goto exit;
+	}
+	priv->netdev_registered = 1;
+
+	printk(KERN_INFO "%s: USB %s, MAC %s, firmware %d.%d.%d-%d\n",
+	       netdev->name, interface->dev.bus_id, mac2str(priv->mac_addr),
+	       priv->fw_version.major, priv->fw_version.minor,
+	       priv->fw_version.patch, priv->fw_version.build);
+	printk(KERN_INFO "%s: regulatory domain 0x%02x: %s\n", netdev->name,
+	       priv->regulatory_domain, priv->domain->name);
+
+	/* we let this timer run the whole time this driver instance lives */
+	mod_timer(&priv->bss_list_timer, jiffies + BSS_LIST_TIMEOUT);
+
+exit:
+	return ret;
+}
+
+static void at76_delete_device(struct at76_priv *priv)
+{
+	int i;
+
+	at76_dbg(DBG_PROC_ENTRY, "%s: ENTER", __func__);
+
+	/* The device is gone, don't bother turning it off */
+	priv->device_unplugged = 1;
+
+	if (priv->netdev_registered)
+		unregister_netdev(priv->netdev);
+
+	/* assuming we used keventd, it must quiesce too */
+	flush_scheduled_work();
+
+	kfree(priv->bulk_out_buffer);
+
+	if (priv->tx_urb) {
+		usb_kill_urb(priv->tx_urb);
+		usb_free_urb(priv->tx_urb);
+	}
+	if (priv->rx_urb) {
+		usb_kill_urb(priv->rx_urb);
+		usb_free_urb(priv->rx_urb);
+	}
+
+	at76_dbg(DBG_PROC_ENTRY, "%s: unlinked urbs", __func__);
+
+	if (priv->rx_skb)
+		kfree_skb(priv->rx_skb);
+
+	at76_free_bss_list(priv);
+	del_timer_sync(&priv->bss_list_timer);
+	cancel_delayed_work(&priv->dwork_get_scan);
+	cancel_delayed_work(&priv->dwork_beacon);
+	cancel_delayed_work(&priv->dwork_auth);
+	cancel_delayed_work(&priv->dwork_assoc);
+
+	if (priv->mac_state == MAC_CONNECTED)
+		at76_iwevent_bss_disconnect(priv->netdev);
+
+	for (i = 0; i < NR_RX_DATA_BUF; i++)
+		if (priv->rx_data[i].skb) {
+			dev_kfree_skb(priv->rx_data[i].skb);
+			priv->rx_data[i].skb = NULL;
+		}
+	usb_put_dev(priv->udev);
+
+	at76_dbg(DBG_PROC_ENTRY, "%s: before freeing priv/netdev", __func__);
+	free_netdev(priv->netdev);	/* priv is in netdev */
+
+	at76_dbg(DBG_PROC_ENTRY, "%s: EXIT", __func__);
+}
+
+static int at76_probe(struct usb_interface *interface,
+		      const struct usb_device_id *id)
+{
+	int ret;
+	struct at76_priv *priv;
+	struct fwentry *fwe;
+	struct usb_device *udev;
+	int op_mode;
+	int need_ext_fw = 0;
+	struct mib_fw_version fwv;
+	int board_type = (int)id->driver_info;
+
+	udev = usb_get_dev(interface_to_usbdev(interface));
+
+	/* Load firmware into kernel memory */
+	fwe = at76_load_firmware(udev, board_type);
+	if (!fwe) {
+		ret = -ENOENT;
+		goto error;
+	}
+
+	op_mode = at76_get_op_mode(udev);
+
+	at76_dbg(DBG_DEVSTART, "opmode %d", op_mode);
+
+	/* we get OPMODE_NONE with 2.4.23, SMC2662W-AR ???
+	   we get 204 with 2.4.23, Fiberline FL-WL240u (505A+RFMD2958) ??? */
+
+	if (op_mode == OPMODE_HW_CONFIG_MODE) {
+		dev_printk(KERN_ERR, &interface->dev,
+			   "cannot handle a device in HW_CONFIG_MODE\n");
+		ret = -EBUSY;
+		goto error;
+	}
+
+	if (op_mode != OPMODE_NORMAL_NIC_WITH_FLASH
+	    && op_mode != OPMODE_NORMAL_NIC_WITHOUT_FLASH) {
+		/* download internal firmware part */
+		dev_printk(KERN_DEBUG, &interface->dev,
+			   "downloading internal firmware\n");
+		ret = at76_load_internal_fw(udev, fwe);
+		if (ret < 0) {
+			dev_printk(KERN_ERR, &interface->dev,
+				   "error %d downloading internal firmware\n",
+				   ret);
+			goto error;
+		}
+		usb_put_dev(udev);
+		return ret;
+	}
+
+	/* Internal firmware already inside the device.  Get firmware
+	 * version to test if external firmware is loaded.
+	 * This works only for newer firmware, e.g. the Intersil 0.90.x
+	 * says "control timeout on ep0in" and subsequent
+	 * at76_get_op_mode() fail too :-( */
+
+	/* if version >= 0.100.x.y or device with built-in flash we can
+	 * query the device for the fw version */
+	if ((fwe->fw_version.major > 0 || fwe->fw_version.minor >= 100)
+	    || (op_mode == OPMODE_NORMAL_NIC_WITH_FLASH)) {
+		ret = at76_get_mib(udev, MIB_FW_VERSION, &fwv, sizeof(fwv));
+		if (ret < 0 || (fwv.major | fwv.minor) == 0)
+			need_ext_fw = 1;
+	} else
+		/* No way to check firmware version, reload to be sure */
+		need_ext_fw = 1;
+
+	if (need_ext_fw) {
+		dev_printk(KERN_DEBUG, &interface->dev,
+			   "downloading external firmware\n");
+
+		ret = at76_load_external_fw(udev, fwe);
+		if (ret)
+			goto error;
+
+		/* Re-check firmware version */
+		ret = at76_get_mib(udev, MIB_FW_VERSION, &fwv, sizeof(fwv));
+		if (ret < 0) {
+			dev_printk(KERN_ERR, &interface->dev,
+				   "error %d getting firmware version\n", ret);
+			goto error;
+		}
+	}
+
+	priv = at76_alloc_new_device(udev);
+	if (!priv) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	SET_NETDEV_DEV(priv->netdev, &interface->dev);
+	usb_set_intfdata(interface, priv);
+
+	memcpy(&priv->fw_version, &fwv, sizeof(struct mib_fw_version));
+	priv->board_type = board_type;
+
+	ret = at76_init_new_device(priv, interface);
+	if (ret < 0)
+		at76_delete_device(priv);
+
+	return ret;
+
+error:
+	usb_put_dev(udev);
+	return ret;
+}
+
+static void at76_disconnect(struct usb_interface *interface)
+{
+	struct at76_priv *priv;
+
+	priv = usb_get_intfdata(interface);
+	usb_set_intfdata(interface, NULL);
+
+	/* Disconnect after loading internal firmware */
+	if (!priv)
+		return;
+
+	printk(KERN_INFO "%s: disconnecting\n", priv->netdev->name);
+	at76_delete_device(priv);
+	dev_printk(KERN_INFO, &interface->dev, "disconnected\n");
+}
+
+/* Structure for registering this driver with the USB subsystem */
+static struct usb_driver at76_driver = {
+	.name = DRIVER_NAME,
+	.probe = at76_probe,
+	.disconnect = at76_disconnect,
+	.id_table = dev_table,
+};
+
+static int __init at76_mod_init(void)
+{
+	int result;
+
+	printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION " loading\n");
+
+	mutex_init(&fw_mutex);
+
+	/* register this driver with the USB subsystem */
+	result = usb_register(&at76_driver);
+	if (result < 0)
+		printk(KERN_ERR DRIVER_NAME
+		       ": usb_register failed (status %d)\n", result);
+
+	led_trigger_register_simple("at76_usb-tx", &ledtrig_tx);
+	return result;
+}
+
+static void __exit at76_mod_exit(void)
+{
+	int i;
+
+	printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION " unloading\n");
+	usb_deregister(&at76_driver);
+	for (i = 0; i < ARRAY_SIZE(firmwares); i++) {
+		if (firmwares[i].fw)
+			release_firmware(firmwares[i].fw);
+	}
+	led_trigger_unregister_simple(ledtrig_tx);
+}
+
+module_param_named(debug, at76_debug, int, 0600);
+MODULE_PARM_DESC(debug, "Debugging level");
+
+module_init(at76_mod_init);
+module_exit(at76_mod_exit);
+
+MODULE_AUTHOR("Oliver Kurth <oku@masqmail.cx>");
+MODULE_AUTHOR("Joerg Albert <joerg.albert@gmx.de>");
+MODULE_AUTHOR("Alex <alex@foogod.com>");
+MODULE_AUTHOR("Nick Jones");
+MODULE_AUTHOR("Balint Seeber <n0_5p4m_p13453@hotmail.com>");
+MODULE_AUTHOR("Pavel Roskin <proski@gnu.org>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/at76_usb/at76_usb.h b/drivers/staging/at76_usb/at76_usb.h
new file mode 100644
index 00000000000..b20be9da1fa
--- /dev/null
+++ b/drivers/staging/at76_usb/at76_usb.h
@@ -0,0 +1,619 @@
+/*
+ * Copyright (c) 2002,2003 Oliver Kurth
+ *	     (c) 2003,2004 Joerg Albert <joerg.albert@gmx.de>
+ *	     (c) 2007 Guido Guenther <agx@sigxcpu.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This driver was based on information from the Sourceforge driver
+ * released and maintained by Atmel:
+ *
+ *  http://sourceforge.net/projects/atmelwlandriver/
+ *
+ * Although the code was completely re-written,
+ * it would have been impossible without Atmel's decision to
+ * release an Open Source driver (unfortunately the firmware was
+ * kept binary only). Thanks for that decision to Atmel!
+ */
+
+#ifndef _AT76_USB_H
+#define _AT76_USB_H
+
+/* Board types */
+enum board_type {
+	BOARD_503_ISL3861 = 1,
+	BOARD_503_ISL3863 = 2,
+	BOARD_503 = 3,
+	BOARD_503_ACC = 4,
+	BOARD_505 = 5,
+	BOARD_505_2958 = 6,
+	BOARD_505A = 7,
+	BOARD_505AMX = 8
+};
+
+/* our private ioctl's */
+/* preamble length (0 - long, 1 - short, 2 - auto) */
+#define AT76_SET_SHORT_PREAMBLE		(SIOCIWFIRSTPRIV + 0)
+#define AT76_GET_SHORT_PREAMBLE		(SIOCIWFIRSTPRIV + 1)
+/* which debug channels are enabled */
+#define AT76_SET_DEBUG			(SIOCIWFIRSTPRIV + 2)
+#define AT76_GET_DEBUG			(SIOCIWFIRSTPRIV + 3)
+/* power save mode (incl. the Atmel proprietary smart save mode) */
+#define AT76_SET_POWERSAVE_MODE		(SIOCIWFIRSTPRIV + 4)
+#define AT76_GET_POWERSAVE_MODE		(SIOCIWFIRSTPRIV + 5)
+/* min and max channel times for scan */
+#define AT76_SET_SCAN_TIMES		(SIOCIWFIRSTPRIV + 6)
+#define AT76_GET_SCAN_TIMES		(SIOCIWFIRSTPRIV + 7)
+/* scan mode (0 - active, 1 - passive) */
+#define AT76_SET_SCAN_MODE		(SIOCIWFIRSTPRIV + 8)
+#define AT76_GET_SCAN_MODE		(SIOCIWFIRSTPRIV + 9)
+
+#define CMD_STATUS_IDLE				0x00
+#define CMD_STATUS_COMPLETE			0x01
+#define CMD_STATUS_UNKNOWN			0x02
+#define CMD_STATUS_INVALID_PARAMETER		0x03
+#define CMD_STATUS_FUNCTION_NOT_SUPPORTED	0x04
+#define CMD_STATUS_TIME_OUT			0x07
+#define CMD_STATUS_IN_PROGRESS			0x08
+#define CMD_STATUS_HOST_FAILURE			0xff
+#define CMD_STATUS_SCAN_FAILED			0xf0
+
+/* answers to get op mode */
+#define OPMODE_NONE				0x00
+#define OPMODE_NORMAL_NIC_WITH_FLASH		0x01
+#define OPMODE_HW_CONFIG_MODE			0x02
+#define OPMODE_DFU_MODE_WITH_FLASH		0x03
+#define OPMODE_NORMAL_NIC_WITHOUT_FLASH		0x04
+
+#define CMD_SET_MIB		0x01
+#define CMD_GET_MIB		0x02
+#define CMD_SCAN		0x03
+#define CMD_JOIN		0x04
+#define CMD_START_IBSS		0x05
+#define CMD_RADIO_ON		0x06
+#define CMD_RADIO_OFF		0x07
+#define CMD_STARTUP		0x0B
+
+#define MIB_LOCAL		0x01
+#define MIB_MAC_ADDR		0x02
+#define MIB_MAC			0x03
+#define MIB_MAC_MGMT		0x05
+#define MIB_MAC_WEP		0x06
+#define MIB_PHY			0x07
+#define MIB_FW_VERSION		0x08
+#define MIB_MDOMAIN		0x09
+
+#define ADHOC_MODE		1
+#define INFRASTRUCTURE_MODE	2
+
+/* values for struct mib_local, field preamble_type */
+#define PREAMBLE_TYPE_LONG	0
+#define PREAMBLE_TYPE_SHORT	1
+#define PREAMBLE_TYPE_AUTO	2
+
+/* values for tx_rate */
+#define TX_RATE_1MBIT		0
+#define TX_RATE_2MBIT		1
+#define TX_RATE_5_5MBIT 	2
+#define TX_RATE_11MBIT		3
+#define TX_RATE_AUTO		4
+
+/* power management modes */
+#define AT76_PM_OFF		1
+#define AT76_PM_ON		2
+#define AT76_PM_SMART		3
+
+struct hwcfg_r505 {
+	u8 cr39_values[14];
+	u8 reserved1[14];
+	u8 bb_cr[14];
+	u8 pidvid[4];
+	u8 mac_addr[ETH_ALEN];
+	u8 regulatory_domain;
+	u8 reserved2[14];
+	u8 cr15_values[14];
+	u8 reserved3[3];
+} __attribute__((packed));
+
+struct hwcfg_rfmd {
+	u8 cr20_values[14];
+	u8 cr21_values[14];
+	u8 bb_cr[14];
+	u8 pidvid[4];
+	u8 mac_addr[ETH_ALEN];
+	u8 regulatory_domain;
+	u8 low_power_values[14];
+	u8 normal_power_values[14];
+	u8 reserved1[3];
+} __attribute__((packed));
+
+struct hwcfg_intersil {
+	u8 mac_addr[ETH_ALEN];
+	u8 cr31_values[14];
+	u8 cr58_values[14];
+	u8 pidvid[4];
+	u8 regulatory_domain;
+	u8 reserved[1];
+} __attribute__((packed));
+
+union at76_hwcfg {
+	struct hwcfg_intersil i;
+	struct hwcfg_rfmd r3;
+	struct hwcfg_r505 r5;
+};
+
+#define WEP_SMALL_KEY_LEN	(40 / 8)
+#define WEP_LARGE_KEY_LEN	(104 / 8)
+
+struct at76_card_config {
+	u8 exclude_unencrypted;
+	u8 promiscuous_mode;
+	u8 short_retry_limit;
+	u8 encryption_type;
+	__le16 rts_threshold;
+	__le16 fragmentation_threshold;	/* 256..2346 */
+	u8 basic_rate_set[4];
+	u8 auto_rate_fallback;	/* 0,1 */
+	u8 channel;
+	u8 privacy_invoked;
+	u8 wep_default_key_id;	/* 0..3 */
+	u8 current_ssid[32];
+	u8 wep_default_key_value[4][WEP_KEY_LEN];
+	u8 ssid_len;
+	u8 short_preamble;
+	__le16 beacon_period;
+} __attribute__((packed));
+
+struct at76_command {
+	u8 cmd;
+	u8 reserved;
+	__le16 size;
+	u8 data[0];
+} __attribute__((packed));
+
+/* Length of Atmel-specific Rx header before 802.11 frame */
+#define AT76_RX_HDRLEN offsetof(struct at76_rx_buffer, packet)
+
+struct at76_rx_buffer {
+	__le16 wlength;
+	u8 rx_rate;
+	u8 newbss;
+	u8 fragmentation;
+	u8 rssi;
+	u8 link_quality;
+	u8 noise_level;
+	__le32 rx_time;
+	u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
+} __attribute__((packed));
+
+/* Length of Atmel-specific Tx header before 802.11 frame */
+#define AT76_TX_HDRLEN offsetof(struct at76_tx_buffer, packet)
+
+struct at76_tx_buffer {
+	__le16 wlength;
+	u8 tx_rate;
+	u8 padding;
+	u8 reserved[4];
+	u8 packet[IEEE80211_FRAME_LEN + IEEE80211_FCS_LEN];
+} __attribute__((packed));
+
+/* defines for scan_type below */
+#define SCAN_TYPE_ACTIVE	0
+#define SCAN_TYPE_PASSIVE	1
+
+struct at76_req_scan {
+	u8 bssid[ETH_ALEN];
+	u8 essid[32];
+	u8 scan_type;
+	u8 channel;
+	__le16 probe_delay;
+	__le16 min_channel_time;
+	__le16 max_channel_time;
+	u8 essid_size;
+	u8 international_scan;
+} __attribute__((packed));
+
+struct at76_req_ibss {
+	u8 bssid[ETH_ALEN];
+	u8 essid[32];
+	u8 bss_type;
+	u8 channel;
+	u8 essid_size;
+	u8 reserved[3];
+} __attribute__((packed));
+
+struct at76_req_join {
+	u8 bssid[ETH_ALEN];
+	u8 essid[32];
+	u8 bss_type;
+	u8 channel;
+	__le16 timeout;
+	u8 essid_size;
+	u8 reserved;
+} __attribute__((packed));
+
+struct set_mib_buffer {
+	u8 type;
+	u8 size;
+	u8 index;
+	u8 reserved;
+	union {
+		u8 byte;
+		__le16 word;
+		u8 addr[ETH_ALEN];
+	} data;
+} __attribute__((packed));
+
+struct mib_local {
+	u16 reserved0;
+	u8 beacon_enable;
+	u8 txautorate_fallback;
+	u8 reserved1;
+	u8 ssid_size;
+	u8 promiscuous_mode;
+	u16 reserved2;
+	u8 preamble_type;
+	u16 reserved3;
+} __attribute__((packed));
+
+struct mib_mac_addr {
+	u8 mac_addr[ETH_ALEN];
+	u8 res[2];		/* ??? */
+	u8 group_addr[4][ETH_ALEN];
+	u8 group_addr_status[4];
+} __attribute__((packed));
+
+struct mib_mac {
+	__le32 max_tx_msdu_lifetime;
+	__le32 max_rx_lifetime;
+	__le16 frag_threshold;
+	__le16 rts_threshold;
+	__le16 cwmin;
+	__le16 cwmax;
+	u8 short_retry_time;
+	u8 long_retry_time;
+	u8 scan_type;		/* active or passive */
+	u8 scan_channel;
+	__le16 probe_delay;	/* delay before ProbeReq in active scan, RO */
+	__le16 min_channel_time;
+	__le16 max_channel_time;
+	__le16 listen_interval;
+	u8 desired_ssid[32];
+	u8 desired_bssid[ETH_ALEN];
+	u8 desired_bsstype;	/* ad-hoc or infrastructure */
+	u8 reserved2;
+} __attribute__((packed));
+
+struct mib_mac_mgmt {
+	__le16 beacon_period;
+	__le16 CFP_max_duration;
+	__le16 medium_occupancy_limit;
+	__le16 station_id;	/* assoc id */
+	__le16 ATIM_window;
+	u8 CFP_mode;
+	u8 privacy_option_implemented;
+	u8 DTIM_period;
+	u8 CFP_period;
+	u8 current_bssid[ETH_ALEN];
+	u8 current_essid[32];
+	u8 current_bss_type;
+	u8 power_mgmt_mode;
+	/* rfmd and 505 */
+	u8 ibss_change;
+	u8 res;
+	u8 multi_domain_capability_implemented;
+	u8 multi_domain_capability_enabled;
+	u8 country_string[3];
+	u8 reserved[3];
+} __attribute__((packed));
+
+struct mib_mac_wep {
+	u8 privacy_invoked;	/* 0 disable encr., 1 enable encr */
+	u8 wep_default_key_id;
+	u8 wep_key_mapping_len;
+	u8 exclude_unencrypted;
+	__le32 wep_icv_error_count;
+	__le32 wep_excluded_count;
+	u8 wep_default_keyvalue[WEP_KEYS][WEP_KEY_LEN];
+	u8 encryption_level;	/* 1 for 40bit, 2 for 104bit encryption */
+} __attribute__((packed));
+
+struct mib_phy {
+	__le32 ed_threshold;
+
+	__le16 slot_time;
+	__le16 sifs_time;
+	__le16 preamble_length;
+	__le16 plcp_header_length;
+	__le16 mpdu_max_length;
+	__le16 cca_mode_supported;
+
+	u8 operation_rate_set[4];
+	u8 channel_id;
+	u8 current_cca_mode;
+	u8 phy_type;
+	u8 current_reg_domain;
+} __attribute__((packed));
+
+struct mib_fw_version {
+	u8 major;
+	u8 minor;
+	u8 patch;
+	u8 build;
+} __attribute__((packed));
+
+struct mib_mdomain {
+	u8 tx_powerlevel[14];
+	u8 channel_list[14];	/* 0 for invalid channels */
+} __attribute__((packed));
+
+struct at76_fw_header {
+	__le32 crc;		/* CRC32 of the whole image */
+	__le32 board_type;	/* firmware compatibility code */
+	u8 build;		/* firmware build number */
+	u8 patch;		/* firmware patch level */
+	u8 minor;		/* firmware minor version */
+	u8 major;		/* firmware major version */
+	__le32 str_offset;	/* offset of the copyright string */
+	__le32 int_fw_offset;	/* internal firmware image offset */
+	__le32 int_fw_len;	/* internal firmware image length */
+	__le32 ext_fw_offset;	/* external firmware image offset */
+	__le32 ext_fw_len;	/* external firmware image length */
+} __attribute__((packed));
+
+enum mac_state {
+	MAC_INIT,
+	MAC_SCANNING,
+	MAC_AUTH,
+	MAC_ASSOC,
+	MAC_JOINING,
+	MAC_CONNECTED,
+	MAC_OWN_IBSS
+};
+
+/* a description of a regulatory domain and the allowed channels */
+struct reg_domain {
+	u16 code;
+	char const *name;
+	u32 channel_map;	/* if bit N is set, channel (N+1) is allowed */
+};
+
+/* how long do we keep a (I)BSS in the bss_list in jiffies
+   this should be long enough for the user to retrieve the table
+   (by iwlist ?) after the device started, because all entries from
+   other channels than the one the device locks on get removed, too */
+#define BSS_LIST_TIMEOUT	(120 * HZ)
+/* struct to store BSS info found during scan */
+#define BSS_LIST_MAX_RATE_LEN	32	/* 32 rates should be enough ... */
+
+struct bss_info {
+	struct list_head list;
+
+	u8 bssid[ETH_ALEN];	/* bssid */
+	u8 ssid[IW_ESSID_MAX_SIZE];	/* essid */
+	u8 ssid_len;		/* length of ssid above */
+	u8 channel;
+	u16 capa;		/* BSS capabilities */
+	u16 beacon_interval;	/* beacon interval, Kus (1024 microseconds) */
+	u8 rates[BSS_LIST_MAX_RATE_LEN];	/* supported rates in units of
+						   500 kbps, ORed with 0x80 for
+						   basic rates */
+	u8 rates_len;
+
+	/* quality of received beacon */
+	u8 rssi;
+	u8 link_qual;
+	u8 noise_level;
+
+	unsigned long last_rx;	/* time (jiffies) of last beacon received */
+};
+
+/* a rx data buffer to collect rx fragments */
+struct rx_data_buf {
+	u8 sender[ETH_ALEN];	/* sender address */
+	u16 seqnr;		/* sequence number */
+	u16 fragnr;		/* last fragment received */
+	unsigned long last_rx;	/* jiffies of last rx */
+	struct sk_buff *skb;	/* == NULL if entry is free */
+};
+
+#define NR_RX_DATA_BUF		8
+
+/* Data for one loaded firmware file */
+struct fwentry {
+	const char *const fwname;
+	const struct firmware *fw;
+	int extfw_size;
+	int intfw_size;
+	/* pointer to loaded firmware, no need to free */
+	u8 *extfw;		/* external firmware, extfw_size bytes long */
+	u8 *intfw;		/* internal firmware, intfw_size bytes long */
+	enum board_type board_type;	/* board type */
+	struct mib_fw_version fw_version;
+	int loaded;		/* Loaded and parsed successfully */
+};
+
+struct at76_priv {
+	struct usb_device *udev;	/* USB device pointer */
+	struct net_device *netdev;	/* net device pointer */
+	struct net_device_stats stats;	/* net device stats */
+	struct iw_statistics wstats;	/* wireless stats */
+
+	struct sk_buff *rx_skb;	/* skbuff for receiving data */
+	void *bulk_out_buffer;	/* buffer for sending data */
+
+	struct urb *tx_urb;	/* URB for sending data */
+	struct urb *rx_urb;	/* URB for receiving data */
+
+	unsigned int tx_pipe;	/* bulk out pipe */
+	unsigned int rx_pipe;	/* bulk in pipe */
+
+	struct mutex mtx;	/* locks this structure */
+
+	/* work queues */
+	struct work_struct work_assoc_done;
+	struct work_struct work_join;
+	struct work_struct work_new_bss;
+	struct work_struct work_start_scan;
+	struct work_struct work_set_promisc;
+	struct work_struct work_submit_rx;
+	struct delayed_work dwork_restart;
+	struct delayed_work dwork_get_scan;
+	struct delayed_work dwork_beacon;
+	struct delayed_work dwork_auth;
+	struct delayed_work dwork_assoc;
+
+	struct tasklet_struct rx_tasklet;
+
+	/* the WEP stuff */
+	int wep_enabled;	/* 1 if WEP is enabled */
+	int wep_key_id;		/* key id to be used */
+	u8 wep_keys[WEP_KEYS][WEP_KEY_LEN];	/* the four WEP keys,
+						   5 or 13 bytes are used */
+	u8 wep_keys_len[WEP_KEYS];	/* the length of the above keys */
+
+	int channel;
+	int iw_mode;
+	u8 bssid[ETH_ALEN];
+	u8 essid[IW_ESSID_MAX_SIZE];
+	int essid_size;
+	int radio_on;
+	int promisc;
+
+	int preamble_type;	/* 0 - long, 1 - short, 2 - auto */
+	int auth_mode;		/* authentication type: 0 open, 1 shared key */
+	int txrate;		/* 0,1,2,3 = 1,2,5.5,11 Mbps, 4 is auto */
+	int frag_threshold;	/* threshold for fragmentation of tx packets */
+	int rts_threshold;	/* threshold for RTS mechanism */
+	int short_retry_limit;
+
+	int scan_min_time;	/* scan min channel time */
+	int scan_max_time;	/* scan max channel time */
+	int scan_mode;		/* SCAN_TYPE_ACTIVE, SCAN_TYPE_PASSIVE */
+	int scan_need_any;	/* if set, need to scan for any ESSID */
+
+	/* the list we got from scanning */
+	spinlock_t bss_list_spinlock;	/* protects bss_list operations */
+	struct list_head bss_list;	/* list of BSS we got beacons from */
+	struct timer_list bss_list_timer;	/* timer to purge old entries
+						   from bss_list */
+	struct bss_info *curr_bss;	/* current BSS */
+	u16 assoc_id;		/* current association ID, if associated */
+
+	u8 wanted_bssid[ETH_ALEN];
+	int wanted_bssid_valid;	/* != 0 if wanted_bssid is to be used */
+
+	/* some data for infrastructure mode only */
+	spinlock_t mgmt_spinlock;	/* this spinlock protects access to
+					   next_mgmt_bulk */
+
+	struct at76_tx_buffer *next_mgmt_bulk;	/* pending management msg to
+						   send via bulk out */
+	enum mac_state mac_state;
+	enum {
+		SCAN_IDLE,
+		SCAN_IN_PROGRESS,
+		SCAN_COMPLETED
+	} scan_state;
+	time_t last_scan;
+
+	int retries;		/* remaining retries in case of timeout when
+				 * sending AuthReq or AssocReq */
+	u8 pm_mode;		/* power management mode */
+	u32 pm_period;		/* power management period in microseconds */
+
+	struct reg_domain const *domain;	/* reg domain description */
+
+	/* iwspy support */
+	spinlock_t spy_spinlock;
+	struct iw_spy_data spy_data;
+
+	struct iw_public_data wireless_data;
+
+	/* These fields contain HW config provided by the device (not all of
+	 * these fields are used by all board types) */
+	u8 mac_addr[ETH_ALEN];
+	u8 regulatory_domain;
+
+	struct at76_card_config card_config;
+
+	/* store rx fragments until complete */
+	struct rx_data_buf rx_data[NR_RX_DATA_BUF];
+
+	enum board_type board_type;
+	struct mib_fw_version fw_version;
+
+	unsigned int device_unplugged:1;
+	unsigned int netdev_registered:1;
+	struct set_mib_buffer mib_buf;	/* global buffer for set_mib calls */
+
+	/* beacon counting */
+	int beacon_period;	/* period of mgmt beacons, Kus */
+	int beacons_received;
+	unsigned long beacons_last_qual;	/* time we restarted counting
+						   beacons */
+};
+
+struct at76_rx_radiotap {
+	struct ieee80211_radiotap_header rt_hdr;
+	__le64 rt_tsft;
+	u8 rt_flags;
+	u8 rt_rate;
+	s8 rt_signal;
+	s8 rt_noise;
+};
+
+#define AT76_RX_RADIOTAP_PRESENT		  \
+	((1 << IEEE80211_RADIOTAP_TSFT)		| \
+	(1 << IEEE80211_RADIOTAP_FLAGS)		| \
+	(1 << IEEE80211_RADIOTAP_RATE)		| \
+	(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)	| \
+	(1 << IEEE80211_RADIOTAP_DB_ANTNOISE))
+
+#define BEACON_MAX_DATA_LENGTH	1500
+
+/* the maximum size of an AssocReq packet */
+#define ASSOCREQ_MAX_SIZE \
+  (AT76_TX_HDRLEN + sizeof(struct ieee80211_assoc_request) + \
+   1 + 1 + IW_ESSID_MAX_SIZE + 1 + 1 + 4)
+
+/* for shared secret auth, add the challenge text size */
+#define AUTH_FRAME_SIZE (AT76_TX_HDRLEN + sizeof(struct ieee80211_auth))
+
+/* Maximal number of AuthReq retries */
+#define AUTH_RETRIES		3
+
+/* Maximal number of AssocReq retries */
+#define ASSOC_RETRIES		3
+
+/* Beacon timeout in managed mode when we are connected */
+#define BEACON_TIMEOUT		(10 * HZ)
+
+/* Timeout for authentication response */
+#define AUTH_TIMEOUT		(1 * HZ)
+
+/* Timeout for association response */
+#define ASSOC_TIMEOUT		(1 * HZ)
+
+/* Polling interval when scan is running */
+#define SCAN_POLL_INTERVAL	(HZ / 4)
+
+/* Command completion timeout */
+#define CMD_COMPLETION_TIMEOUT	(5 * HZ)
+
+#define DEF_RTS_THRESHOLD	1536
+#define DEF_FRAG_THRESHOLD	1536
+#define DEF_SHORT_RETRY_LIMIT	8
+#define DEF_CHANNEL		10
+#define DEF_SCAN_MIN_TIME	10
+#define DEF_SCAN_MAX_TIME	120
+
+#define MAX_RTS_THRESHOLD	(MAX_FRAG_THRESHOLD + 1)
+
+/* the max padding size for tx in bytes (see calc_padding) */
+#define MAX_PADDING_SIZE	53
+
+#endif				/* _AT76_USB_H */
-- 
GitLab


From 97e1c18e8d17bd87e1e383b2e9d9fc740332c8e2 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 18 Jul 2008 12:16:16 -0400
Subject: [PATCH 0432/2224] tracing: Kernel Tracepoints

Implementation of kernel tracepoints. Inspired from the Linux Kernel
Markers. Allows complete typing verification by declaring both tracing
statement inline functions and probe registration/unregistration static
inline functions within the same macro "DEFINE_TRACE". No format string
is required. See the tracepoint Documentation and Samples patches for
usage examples.

Taken from the documentation patch :

"A tracepoint placed in code provides a hook to call a function (probe)
that you can provide at runtime. A tracepoint can be "on" (a probe is
connected to it) or "off" (no probe is attached). When a tracepoint is
"off" it has no effect, except for adding a tiny time penalty (checking
a condition for a branch) and space penalty (adding a few bytes for the
function call at the end of the instrumented function and adds a data
structure in a separate section).  When a tracepoint is "on", the
function you provide is called each time the tracepoint is executed, in
the execution context of the caller. When the function provided ends its
execution, it returns to the caller (continuing from the tracepoint
site).

You can put tracepoints at important locations in the code. They are
lightweight hooks that can pass an arbitrary number of parameters, which
prototypes are described in a tracepoint declaration placed in a header
file."

Addition and removal of tracepoints is synchronized by RCU using the
scheduler (and preempt_disable) as guarantees to find a quiescent state
(this is really RCU "classic"). The update side uses rcu_barrier_sched()
with call_rcu_sched() and the read/execute side uses
"preempt_disable()/preempt_enable()".

We make sure the previous array containing probes, which has been
scheduled for deletion by the rcu callback, is indeed freed before we
proceed to the next update. It therefore limits the rate of modification
of a single tracepoint to one update per RCU period. The objective here
is to permit fast batch add/removal of probes on _different_
tracepoints.

Changelog :
- Use #name ":" #proto as string to identify the tracepoint in the
  tracepoint table. This will make sure not type mismatch happens due to
  connexion of a probe with the wrong type to a tracepoint declared with
  the same name in a different header.
- Add tracepoint_entry_free_old.
- Change __TO_TRACE to get rid of the 'i' iterator.

Masami Hiramatsu <mhiramat@redhat.com> :
Tested on x86-64.

Performance impact of a tracepoint : same as markers, except that it
adds about 70 bytes of instructions in an unlikely branch of each
instrumented function (the for loop, the stack setup and the function
call). It currently adds a memory read, a test and a conditional branch
at the instrumentation site (in the hot path). Immediate values will
eventually change this into a load immediate, test and branch, which
removes the memory read which will make the i-cache impact smaller
(changing the memory read for a load immediate removes 3-4 bytes per
site on x86_32 (depending on mov prefixes), or 7-8 bytes on x86_64, it
also saves the d-cache hit).

About the performance impact of tracepoints (which is comparable to
markers), even without immediate values optimizations, tests done by
Hideo Aoki on ia64 show no regression. His test case was using hackbench
on a kernel where scheduler instrumentation (about 5 events in code
scheduler code) was added.

Quoting Hideo Aoki about Markers :

I evaluated overhead of kernel marker using linux-2.6-sched-fixes git
tree, which includes several markers for LTTng, using an ia64 server.

While the immediate trace mark feature isn't implemented on ia64, there
is no major performance regression. So, I think that we don't have any
issues to propose merging marker point patches into Linus's tree from
the viewpoint of performance impact.

I prepared two kernels to evaluate. The first one was compiled without
CONFIG_MARKERS. The second one was enabled CONFIG_MARKERS.

I downloaded the original hackbench from the following URL:
http://devresources.linux-foundation.org/craiger/hackbench/src/hackbench.c

I ran hackbench 5 times in each condition and calculated the average and
difference between the kernels.

    The parameter of hackbench: every 50 from 50 to 800
    The number of CPUs of the server: 2, 4, and 8

Below is the results. As you can see, major performance regression
wasn't found in any case. Even if number of processes increases,
differences between marker-enabled kernel and marker- disabled kernel
doesn't increase. Moreover, if number of CPUs increases, the differences
doesn't increase either.

Curiously, marker-enabled kernel is better than marker-disabled kernel
in more than half cases, although I guess it comes from the difference
of memory access pattern.

* 2 CPUs

Number of | without      | with         | diff     | diff    |
processes | Marker [Sec] | Marker [Sec] |   [Sec]  |   [%]   |
--------------------------------------------------------------
       50 |      4.811   |       4.872  |  +0.061  |  +1.27  |
      100 |      9.854   |      10.309  |  +0.454  |  +4.61  |
      150 |     15.602   |      15.040  |  -0.562  |  -3.6   |
      200 |     20.489   |      20.380  |  -0.109  |  -0.53  |
      250 |     25.798   |      25.652  |  -0.146  |  -0.56  |
      300 |     31.260   |      30.797  |  -0.463  |  -1.48  |
      350 |     36.121   |      35.770  |  -0.351  |  -0.97  |
      400 |     42.288   |      42.102  |  -0.186  |  -0.44  |
      450 |     47.778   |      47.253  |  -0.526  |  -1.1   |
      500 |     51.953   |      52.278  |  +0.325  |  +0.63  |
      550 |     58.401   |      57.700  |  -0.701  |  -1.2   |
      600 |     63.334   |      63.222  |  -0.112  |  -0.18  |
      650 |     68.816   |      68.511  |  -0.306  |  -0.44  |
      700 |     74.667   |      74.088  |  -0.579  |  -0.78  |
      750 |     78.612   |      79.582  |  +0.970  |  +1.23  |
      800 |     85.431   |      85.263  |  -0.168  |  -0.2   |
--------------------------------------------------------------

* 4 CPUs

Number of | without      | with         | diff     | diff    |
processes | Marker [Sec] | Marker [Sec] |   [Sec]  |   [%]   |
--------------------------------------------------------------
       50 |      2.586   |       2.584  |  -0.003  |  -0.1   |
      100 |      5.254   |       5.283  |  +0.030  |  +0.56  |
      150 |      8.012   |       8.074  |  +0.061  |  +0.76  |
      200 |     11.172   |      11.000  |  -0.172  |  -1.54  |
      250 |     13.917   |      14.036  |  +0.119  |  +0.86  |
      300 |     16.905   |      16.543  |  -0.362  |  -2.14  |
      350 |     19.901   |      20.036  |  +0.135  |  +0.68  |
      400 |     22.908   |      23.094  |  +0.186  |  +0.81  |
      450 |     26.273   |      26.101  |  -0.172  |  -0.66  |
      500 |     29.554   |      29.092  |  -0.461  |  -1.56  |
      550 |     32.377   |      32.274  |  -0.103  |  -0.32  |
      600 |     35.855   |      35.322  |  -0.533  |  -1.49  |
      650 |     39.192   |      38.388  |  -0.804  |  -2.05  |
      700 |     41.744   |      41.719  |  -0.025  |  -0.06  |
      750 |     45.016   |      44.496  |  -0.520  |  -1.16  |
      800 |     48.212   |      47.603  |  -0.609  |  -1.26  |
--------------------------------------------------------------

* 8 CPUs

Number of | without      | with         | diff     | diff    |
processes | Marker [Sec] | Marker [Sec] |   [Sec]  |   [%]   |
--------------------------------------------------------------
       50 |      2.094   |       2.072  |  -0.022  |  -1.07  |
      100 |      4.162   |       4.273  |  +0.111  |  +2.66  |
      150 |      6.485   |       6.540  |  +0.055  |  +0.84  |
      200 |      8.556   |       8.478  |  -0.078  |  -0.91  |
      250 |     10.458   |      10.258  |  -0.200  |  -1.91  |
      300 |     12.425   |      12.750  |  +0.325  |  +2.62  |
      350 |     14.807   |      14.839  |  +0.032  |  +0.22  |
      400 |     16.801   |      16.959  |  +0.158  |  +0.94  |
      450 |     19.478   |      19.009  |  -0.470  |  -2.41  |
      500 |     21.296   |      21.504  |  +0.208  |  +0.98  |
      550 |     23.842   |      23.979  |  +0.137  |  +0.57  |
      600 |     26.309   |      26.111  |  -0.198  |  -0.75  |
      650 |     28.705   |      28.446  |  -0.259  |  -0.9   |
      700 |     31.233   |      31.394  |  +0.161  |  +0.52  |
      750 |     34.064   |      33.720  |  -0.344  |  -1.01  |
      800 |     36.320   |      36.114  |  -0.206  |  -0.57  |
--------------------------------------------------------------

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: 'Peter Zijlstra' <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-generic/vmlinux.lds.h |   6 +-
 include/linux/module.h            |  17 ++
 include/linux/tracepoint.h        | 127 ++++++++
 init/Kconfig                      |   7 +
 kernel/Makefile                   |   1 +
 kernel/module.c                   |  66 ++++-
 kernel/tracepoint.c               | 476 ++++++++++++++++++++++++++++++
 7 files changed, 698 insertions(+), 2 deletions(-)
 create mode 100644 include/linux/tracepoint.h
 create mode 100644 kernel/tracepoint.c

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 7440a0dcedd..3d8e472a09c 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -52,7 +52,10 @@
 	. = ALIGN(8);							\
 	VMLINUX_SYMBOL(__start___markers) = .;				\
 	*(__markers)							\
-	VMLINUX_SYMBOL(__stop___markers) = .;
+	VMLINUX_SYMBOL(__stop___markers) = .;				\
+	VMLINUX_SYMBOL(__start___tracepoints) = .;			\
+	*(__tracepoints)						\
+	VMLINUX_SYMBOL(__stop___tracepoints) = .;
 
 #define RO_DATA(align)							\
 	. = ALIGN((align));						\
@@ -61,6 +64,7 @@
 		*(.rodata) *(.rodata.*)					\
 		*(__vermagic)		/* Kernel version magic */	\
 		*(__markers_strings)	/* Markers: strings */		\
+		*(__tracepoints_strings)/* Tracepoints: strings */	\
 	}								\
 									\
 	.rodata1          : AT(ADDR(.rodata1) - LOAD_OFFSET) {		\
diff --git a/include/linux/module.h b/include/linux/module.h
index 68e09557c95..8b611350386 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -16,6 +16,7 @@
 #include <linux/kobject.h>
 #include <linux/moduleparam.h>
 #include <linux/marker.h>
+#include <linux/tracepoint.h>
 #include <asm/local.h>
 
 #include <asm/module.h>
@@ -331,6 +332,10 @@ struct module
 	struct marker *markers;
 	unsigned int num_markers;
 #endif
+#ifdef CONFIG_TRACEPOINTS
+	struct tracepoint *tracepoints;
+	unsigned int num_tracepoints;
+#endif
 
 #ifdef CONFIG_MODULE_UNLOAD
 	/* What modules depend on me? */
@@ -454,6 +459,9 @@ extern void print_modules(void);
 
 extern void module_update_markers(void);
 
+extern void module_update_tracepoints(void);
+extern int module_get_iter_tracepoints(struct tracepoint_iter *iter);
+
 #else /* !CONFIG_MODULES... */
 #define EXPORT_SYMBOL(sym)
 #define EXPORT_SYMBOL_GPL(sym)
@@ -558,6 +566,15 @@ static inline void module_update_markers(void)
 {
 }
 
+static inline void module_update_tracepoints(void)
+{
+}
+
+static inline int module_get_iter_tracepoints(struct tracepoint_iter *iter)
+{
+	return 0;
+}
+
 #endif /* CONFIG_MODULES */
 
 struct device_driver;
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
new file mode 100644
index 00000000000..e623a6fca5c
--- /dev/null
+++ b/include/linux/tracepoint.h
@@ -0,0 +1,127 @@
+#ifndef _LINUX_TRACEPOINT_H
+#define _LINUX_TRACEPOINT_H
+
+/*
+ * Kernel Tracepoint API.
+ *
+ * See Documentation/tracepoint.txt.
+ *
+ * (C) Copyright 2008 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ *
+ * Heavily inspired from the Linux Kernel Markers.
+ *
+ * This file is released under the GPLv2.
+ * See the file COPYING for more details.
+ */
+
+#include <linux/types.h>
+#include <linux/rcupdate.h>
+
+struct module;
+struct tracepoint;
+
+struct tracepoint {
+	const char *name;		/* Tracepoint name */
+	int state;			/* State. */
+	void **funcs;
+} __attribute__((aligned(8)));
+
+
+#define TPPROTO(args...)	args
+#define TPARGS(args...)		args
+
+#ifdef CONFIG_TRACEPOINTS
+
+/*
+ * it_func[0] is never NULL because there is at least one element in the array
+ * when the array itself is non NULL.
+ */
+#define __DO_TRACE(tp, proto, args)					\
+	do {								\
+		void **it_func;						\
+									\
+		rcu_read_lock_sched();					\
+		it_func = rcu_dereference((tp)->funcs);			\
+		if (it_func) {						\
+			do {						\
+				((void(*)(proto))(*it_func))(args);	\
+			} while (*(++it_func));				\
+		}							\
+		rcu_read_unlock_sched();				\
+	} while (0)
+
+/*
+ * Make sure the alignment of the structure in the __tracepoints section will
+ * not add unwanted padding between the beginning of the section and the
+ * structure. Force alignment to the same alignment as the section start.
+ */
+#define DEFINE_TRACE(name, proto, args)					\
+	static inline void trace_##name(proto)				\
+	{								\
+		static const char __tpstrtab_##name[]			\
+		__attribute__((section("__tracepoints_strings")))	\
+		= #name ":" #proto;					\
+		static struct tracepoint __tracepoint_##name		\
+		__attribute__((section("__tracepoints"), aligned(8))) =	\
+		{ __tpstrtab_##name, 0, NULL };				\
+		if (unlikely(__tracepoint_##name.state))		\
+			__DO_TRACE(&__tracepoint_##name,		\
+				TPPROTO(proto), TPARGS(args));		\
+	}								\
+	static inline int register_trace_##name(void (*probe)(proto))	\
+	{								\
+		return tracepoint_probe_register(#name ":" #proto,	\
+			(void *)probe);					\
+	}								\
+	static inline void unregister_trace_##name(void (*probe)(proto))\
+	{								\
+		tracepoint_probe_unregister(#name ":" #proto,		\
+			(void *)probe);					\
+	}
+
+extern void tracepoint_update_probe_range(struct tracepoint *begin,
+	struct tracepoint *end);
+
+#else /* !CONFIG_TRACEPOINTS */
+#define DEFINE_TRACE(name, proto, args)			\
+	static inline void _do_trace_##name(struct tracepoint *tp, proto) \
+	{ }								\
+	static inline void trace_##name(proto)				\
+	{ }								\
+	static inline int register_trace_##name(void (*probe)(proto))	\
+	{								\
+		return -ENOSYS;						\
+	}								\
+	static inline void unregister_trace_##name(void (*probe)(proto))\
+	{ }
+
+static inline void tracepoint_update_probe_range(struct tracepoint *begin,
+	struct tracepoint *end)
+{ }
+#endif /* CONFIG_TRACEPOINTS */
+
+/*
+ * Connect a probe to a tracepoint.
+ * Internal API, should not be used directly.
+ */
+extern int tracepoint_probe_register(const char *name, void *probe);
+
+/*
+ * Disconnect a probe from a tracepoint.
+ * Internal API, should not be used directly.
+ */
+extern int tracepoint_probe_unregister(const char *name, void *probe);
+
+struct tracepoint_iter {
+	struct module *module;
+	struct tracepoint *tracepoint;
+};
+
+extern void tracepoint_iter_start(struct tracepoint_iter *iter);
+extern void tracepoint_iter_next(struct tracepoint_iter *iter);
+extern void tracepoint_iter_stop(struct tracepoint_iter *iter);
+extern void tracepoint_iter_reset(struct tracepoint_iter *iter);
+extern int tracepoint_get_iter_range(struct tracepoint **tracepoint,
+	struct tracepoint *begin, struct tracepoint *end);
+
+#endif
diff --git a/init/Kconfig b/init/Kconfig
index c11da38837e..70082678a91 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -771,6 +771,13 @@ config PROFILING
 	  Say Y here to enable the extended profiling support mechanisms used
 	  by profilers such as OProfile.
 
+config TRACEPOINTS
+	bool "Activate tracepoints"
+	default y
+	help
+	  Place an empty function call at each tracepoint site. Can be
+	  dynamically changed for a probe function.
+
 config MARKERS
 	bool "Activate markers"
 	help
diff --git a/kernel/Makefile b/kernel/Makefile
index 4e1d7df7c3e..8f9ce7ec21b 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -83,6 +83,7 @@ obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
 obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
 obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
 obj-$(CONFIG_MARKERS) += marker.o
+obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
 obj-$(CONFIG_LATENCYTOP) += latencytop.o
 obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += dma-coherent.o
 obj-$(CONFIG_FTRACE) += trace/
diff --git a/kernel/module.c b/kernel/module.c
index 9db11911e04..661d73db786 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -46,6 +46,7 @@
 #include <asm/cacheflush.h>
 #include <linux/license.h>
 #include <asm/sections.h>
+#include <linux/tracepoint.h>
 
 #if 0
 #define DEBUGP printk
@@ -1831,6 +1832,8 @@ static noinline struct module *load_module(void __user *umod,
 #endif
 	unsigned int markersindex;
 	unsigned int markersstringsindex;
+	unsigned int tracepointsindex;
+	unsigned int tracepointsstringsindex;
 	struct module *mod;
 	long err = 0;
 	void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */
@@ -2117,6 +2120,9 @@ static noinline struct module *load_module(void __user *umod,
 	markersindex = find_sec(hdr, sechdrs, secstrings, "__markers");
  	markersstringsindex = find_sec(hdr, sechdrs, secstrings,
 					"__markers_strings");
+	tracepointsindex = find_sec(hdr, sechdrs, secstrings, "__tracepoints");
+	tracepointsstringsindex = find_sec(hdr, sechdrs, secstrings,
+					"__tracepoints_strings");
 
 	/* Now do relocations. */
 	for (i = 1; i < hdr->e_shnum; i++) {
@@ -2144,6 +2150,12 @@ static noinline struct module *load_module(void __user *umod,
 	mod->num_markers =
 		sechdrs[markersindex].sh_size / sizeof(*mod->markers);
 #endif
+#ifdef CONFIG_TRACEPOINTS
+	mod->tracepoints = (void *)sechdrs[tracepointsindex].sh_addr;
+	mod->num_tracepoints =
+		sechdrs[tracepointsindex].sh_size / sizeof(*mod->tracepoints);
+#endif
+
 
         /* Find duplicate symbols */
 	err = verify_export_symbols(mod);
@@ -2162,11 +2174,16 @@ static noinline struct module *load_module(void __user *umod,
 
 	add_kallsyms(mod, sechdrs, symindex, strindex, secstrings);
 
+	if (!mod->taints) {
 #ifdef CONFIG_MARKERS
-	if (!mod->taints)
 		marker_update_probe_range(mod->markers,
 			mod->markers + mod->num_markers);
 #endif
+#ifdef CONFIG_TRACEPOINTS
+		tracepoint_update_probe_range(mod->tracepoints,
+			mod->tracepoints + mod->num_tracepoints);
+#endif
+	}
 	err = module_finalize(hdr, sechdrs, mod);
 	if (err < 0)
 		goto cleanup;
@@ -2717,3 +2734,50 @@ void module_update_markers(void)
 	mutex_unlock(&module_mutex);
 }
 #endif
+
+#ifdef CONFIG_TRACEPOINTS
+void module_update_tracepoints(void)
+{
+	struct module *mod;
+
+	mutex_lock(&module_mutex);
+	list_for_each_entry(mod, &modules, list)
+		if (!mod->taints)
+			tracepoint_update_probe_range(mod->tracepoints,
+				mod->tracepoints + mod->num_tracepoints);
+	mutex_unlock(&module_mutex);
+}
+
+/*
+ * Returns 0 if current not found.
+ * Returns 1 if current found.
+ */
+int module_get_iter_tracepoints(struct tracepoint_iter *iter)
+{
+	struct module *iter_mod;
+	int found = 0;
+
+	mutex_lock(&module_mutex);
+	list_for_each_entry(iter_mod, &modules, list) {
+		if (!iter_mod->taints) {
+			/*
+			 * Sorted module list
+			 */
+			if (iter_mod < iter->module)
+				continue;
+			else if (iter_mod > iter->module)
+				iter->tracepoint = NULL;
+			found = tracepoint_get_iter_range(&iter->tracepoint,
+				iter_mod->tracepoints,
+				iter_mod->tracepoints
+					+ iter_mod->num_tracepoints);
+			if (found) {
+				iter->module = iter_mod;
+				break;
+			}
+		}
+	}
+	mutex_unlock(&module_mutex);
+	return found;
+}
+#endif
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
new file mode 100644
index 00000000000..42e86ddbd2a
--- /dev/null
+++ b/kernel/tracepoint.c
@@ -0,0 +1,476 @@
+/*
+ * Copyright (C) 2008 Mathieu Desnoyers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/types.h>
+#include <linux/jhash.h>
+#include <linux/list.h>
+#include <linux/rcupdate.h>
+#include <linux/tracepoint.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+
+extern struct tracepoint __start___tracepoints[];
+extern struct tracepoint __stop___tracepoints[];
+
+/* Set to 1 to enable tracepoint debug output */
+static const int tracepoint_debug;
+
+/*
+ * tracepoints_mutex nests inside module_mutex. Tracepoints mutex protects the
+ * builtin and module tracepoints and the hash table.
+ */
+static DEFINE_MUTEX(tracepoints_mutex);
+
+/*
+ * Tracepoint hash table, containing the active tracepoints.
+ * Protected by tracepoints_mutex.
+ */
+#define TRACEPOINT_HASH_BITS 6
+#define TRACEPOINT_TABLE_SIZE (1 << TRACEPOINT_HASH_BITS)
+
+/*
+ * Note about RCU :
+ * It is used to to delay the free of multiple probes array until a quiescent
+ * state is reached.
+ * Tracepoint entries modifications are protected by the tracepoints_mutex.
+ */
+struct tracepoint_entry {
+	struct hlist_node hlist;
+	void **funcs;
+	int refcount;	/* Number of times armed. 0 if disarmed. */
+	struct rcu_head rcu;
+	void *oldptr;
+	unsigned char rcu_pending:1;
+	char name[0];
+};
+
+static struct hlist_head tracepoint_table[TRACEPOINT_TABLE_SIZE];
+
+static void free_old_closure(struct rcu_head *head)
+{
+	struct tracepoint_entry *entry = container_of(head,
+		struct tracepoint_entry, rcu);
+	kfree(entry->oldptr);
+	/* Make sure we free the data before setting the pending flag to 0 */
+	smp_wmb();
+	entry->rcu_pending = 0;
+}
+
+static void tracepoint_entry_free_old(struct tracepoint_entry *entry, void *old)
+{
+	if (!old)
+		return;
+	entry->oldptr = old;
+	entry->rcu_pending = 1;
+	/* write rcu_pending before calling the RCU callback */
+	smp_wmb();
+#ifdef CONFIG_PREEMPT_RCU
+	synchronize_sched();	/* Until we have the call_rcu_sched() */
+#endif
+	call_rcu(&entry->rcu, free_old_closure);
+}
+
+static void debug_print_probes(struct tracepoint_entry *entry)
+{
+	int i;
+
+	if (!tracepoint_debug)
+		return;
+
+	for (i = 0; entry->funcs[i]; i++)
+		printk(KERN_DEBUG "Probe %d : %p\n", i, entry->funcs[i]);
+}
+
+static void *
+tracepoint_entry_add_probe(struct tracepoint_entry *entry, void *probe)
+{
+	int nr_probes = 0;
+	void **old, **new;
+
+	WARN_ON(!probe);
+
+	debug_print_probes(entry);
+	old = entry->funcs;
+	if (old) {
+		/* (N -> N+1), (N != 0, 1) probes */
+		for (nr_probes = 0; old[nr_probes]; nr_probes++)
+			if (old[nr_probes] == probe)
+				return ERR_PTR(-EEXIST);
+	}
+	/* + 2 : one for new probe, one for NULL func */
+	new = kzalloc((nr_probes + 2) * sizeof(void *), GFP_KERNEL);
+	if (new == NULL)
+		return ERR_PTR(-ENOMEM);
+	if (old)
+		memcpy(new, old, nr_probes * sizeof(void *));
+	new[nr_probes] = probe;
+	entry->refcount = nr_probes + 1;
+	entry->funcs = new;
+	debug_print_probes(entry);
+	return old;
+}
+
+static void *
+tracepoint_entry_remove_probe(struct tracepoint_entry *entry, void *probe)
+{
+	int nr_probes = 0, nr_del = 0, i;
+	void **old, **new;
+
+	old = entry->funcs;
+
+	debug_print_probes(entry);
+	/* (N -> M), (N > 1, M >= 0) probes */
+	for (nr_probes = 0; old[nr_probes]; nr_probes++) {
+		if ((!probe || old[nr_probes] == probe))
+			nr_del++;
+	}
+
+	if (nr_probes - nr_del == 0) {
+		/* N -> 0, (N > 1) */
+		entry->funcs = NULL;
+		entry->refcount = 0;
+		debug_print_probes(entry);
+		return old;
+	} else {
+		int j = 0;
+		/* N -> M, (N > 1, M > 0) */
+		/* + 1 for NULL */
+		new = kzalloc((nr_probes - nr_del + 1)
+			* sizeof(void *), GFP_KERNEL);
+		if (new == NULL)
+			return ERR_PTR(-ENOMEM);
+		for (i = 0; old[i]; i++)
+			if ((probe && old[i] != probe))
+				new[j++] = old[i];
+		entry->refcount = nr_probes - nr_del;
+		entry->funcs = new;
+	}
+	debug_print_probes(entry);
+	return old;
+}
+
+/*
+ * Get tracepoint if the tracepoint is present in the tracepoint hash table.
+ * Must be called with tracepoints_mutex held.
+ * Returns NULL if not present.
+ */
+static struct tracepoint_entry *get_tracepoint(const char *name)
+{
+	struct hlist_head *head;
+	struct hlist_node *node;
+	struct tracepoint_entry *e;
+	u32 hash = jhash(name, strlen(name), 0);
+
+	head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)];
+	hlist_for_each_entry(e, node, head, hlist) {
+		if (!strcmp(name, e->name))
+			return e;
+	}
+	return NULL;
+}
+
+/*
+ * Add the tracepoint to the tracepoint hash table. Must be called with
+ * tracepoints_mutex held.
+ */
+static struct tracepoint_entry *add_tracepoint(const char *name)
+{
+	struct hlist_head *head;
+	struct hlist_node *node;
+	struct tracepoint_entry *e;
+	size_t name_len = strlen(name) + 1;
+	u32 hash = jhash(name, name_len-1, 0);
+
+	head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)];
+	hlist_for_each_entry(e, node, head, hlist) {
+		if (!strcmp(name, e->name)) {
+			printk(KERN_NOTICE
+				"tracepoint %s busy\n", name);
+			return ERR_PTR(-EEXIST);	/* Already there */
+		}
+	}
+	/*
+	 * Using kmalloc here to allocate a variable length element. Could
+	 * cause some memory fragmentation if overused.
+	 */
+	e = kmalloc(sizeof(struct tracepoint_entry) + name_len, GFP_KERNEL);
+	if (!e)
+		return ERR_PTR(-ENOMEM);
+	memcpy(&e->name[0], name, name_len);
+	e->funcs = NULL;
+	e->refcount = 0;
+	e->rcu_pending = 0;
+	hlist_add_head(&e->hlist, head);
+	return e;
+}
+
+/*
+ * Remove the tracepoint from the tracepoint hash table. Must be called with
+ * mutex_lock held.
+ */
+static int remove_tracepoint(const char *name)
+{
+	struct hlist_head *head;
+	struct hlist_node *node;
+	struct tracepoint_entry *e;
+	int found = 0;
+	size_t len = strlen(name) + 1;
+	u32 hash = jhash(name, len-1, 0);
+
+	head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)];
+	hlist_for_each_entry(e, node, head, hlist) {
+		if (!strcmp(name, e->name)) {
+			found = 1;
+			break;
+		}
+	}
+	if (!found)
+		return -ENOENT;
+	if (e->refcount)
+		return -EBUSY;
+	hlist_del(&e->hlist);
+	/* Make sure the call_rcu has been executed */
+	if (e->rcu_pending)
+		rcu_barrier();
+	kfree(e);
+	return 0;
+}
+
+/*
+ * Sets the probe callback corresponding to one tracepoint.
+ */
+static void set_tracepoint(struct tracepoint_entry **entry,
+	struct tracepoint *elem, int active)
+{
+	WARN_ON(strcmp((*entry)->name, elem->name) != 0);
+
+	/*
+	 * rcu_assign_pointer has a smp_wmb() which makes sure that the new
+	 * probe callbacks array is consistent before setting a pointer to it.
+	 * This array is referenced by __DO_TRACE from
+	 * include/linux/tracepoints.h. A matching smp_read_barrier_depends()
+	 * is used.
+	 */
+	rcu_assign_pointer(elem->funcs, (*entry)->funcs);
+	elem->state = active;
+}
+
+/*
+ * Disable a tracepoint and its probe callback.
+ * Note: only waiting an RCU period after setting elem->call to the empty
+ * function insures that the original callback is not used anymore. This insured
+ * by preempt_disable around the call site.
+ */
+static void disable_tracepoint(struct tracepoint *elem)
+{
+	elem->state = 0;
+}
+
+/**
+ * tracepoint_update_probe_range - Update a probe range
+ * @begin: beginning of the range
+ * @end: end of the range
+ *
+ * Updates the probe callback corresponding to a range of tracepoints.
+ */
+void tracepoint_update_probe_range(struct tracepoint *begin,
+	struct tracepoint *end)
+{
+	struct tracepoint *iter;
+	struct tracepoint_entry *mark_entry;
+
+	mutex_lock(&tracepoints_mutex);
+	for (iter = begin; iter < end; iter++) {
+		mark_entry = get_tracepoint(iter->name);
+		if (mark_entry) {
+			set_tracepoint(&mark_entry, iter,
+					!!mark_entry->refcount);
+		} else {
+			disable_tracepoint(iter);
+		}
+	}
+	mutex_unlock(&tracepoints_mutex);
+}
+
+/*
+ * Update probes, removing the faulty probes.
+ */
+static void tracepoint_update_probes(void)
+{
+	/* Core kernel tracepoints */
+	tracepoint_update_probe_range(__start___tracepoints,
+		__stop___tracepoints);
+	/* tracepoints in modules. */
+	module_update_tracepoints();
+}
+
+/**
+ * tracepoint_probe_register -  Connect a probe to a tracepoint
+ * @name: tracepoint name
+ * @probe: probe handler
+ *
+ * Returns 0 if ok, error value on error.
+ * The probe address must at least be aligned on the architecture pointer size.
+ */
+int tracepoint_probe_register(const char *name, void *probe)
+{
+	struct tracepoint_entry *entry;
+	int ret = 0;
+	void *old;
+
+	mutex_lock(&tracepoints_mutex);
+	entry = get_tracepoint(name);
+	if (!entry) {
+		entry = add_tracepoint(name);
+		if (IS_ERR(entry)) {
+			ret = PTR_ERR(entry);
+			goto end;
+		}
+	}
+	/*
+	 * If we detect that a call_rcu is pending for this tracepoint,
+	 * make sure it's executed now.
+	 */
+	if (entry->rcu_pending)
+		rcu_barrier();
+	old = tracepoint_entry_add_probe(entry, probe);
+	if (IS_ERR(old)) {
+		ret = PTR_ERR(old);
+		goto end;
+	}
+	mutex_unlock(&tracepoints_mutex);
+	tracepoint_update_probes();		/* may update entry */
+	mutex_lock(&tracepoints_mutex);
+	entry = get_tracepoint(name);
+	WARN_ON(!entry);
+	tracepoint_entry_free_old(entry, old);
+end:
+	mutex_unlock(&tracepoints_mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tracepoint_probe_register);
+
+/**
+ * tracepoint_probe_unregister -  Disconnect a probe from a tracepoint
+ * @name: tracepoint name
+ * @probe: probe function pointer
+ *
+ * We do not need to call a synchronize_sched to make sure the probes have
+ * finished running before doing a module unload, because the module unload
+ * itself uses stop_machine(), which insures that every preempt disabled section
+ * have finished.
+ */
+int tracepoint_probe_unregister(const char *name, void *probe)
+{
+	struct tracepoint_entry *entry;
+	void *old;
+	int ret = -ENOENT;
+
+	mutex_lock(&tracepoints_mutex);
+	entry = get_tracepoint(name);
+	if (!entry)
+		goto end;
+	if (entry->rcu_pending)
+		rcu_barrier();
+	old = tracepoint_entry_remove_probe(entry, probe);
+	mutex_unlock(&tracepoints_mutex);
+	tracepoint_update_probes();		/* may update entry */
+	mutex_lock(&tracepoints_mutex);
+	entry = get_tracepoint(name);
+	if (!entry)
+		goto end;
+	tracepoint_entry_free_old(entry, old);
+	remove_tracepoint(name);	/* Ignore busy error message */
+	ret = 0;
+end:
+	mutex_unlock(&tracepoints_mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(tracepoint_probe_unregister);
+
+/**
+ * tracepoint_get_iter_range - Get a next tracepoint iterator given a range.
+ * @tracepoint: current tracepoints (in), next tracepoint (out)
+ * @begin: beginning of the range
+ * @end: end of the range
+ *
+ * Returns whether a next tracepoint has been found (1) or not (0).
+ * Will return the first tracepoint in the range if the input tracepoint is
+ * NULL.
+ */
+int tracepoint_get_iter_range(struct tracepoint **tracepoint,
+	struct tracepoint *begin, struct tracepoint *end)
+{
+	if (!*tracepoint && begin != end) {
+		*tracepoint = begin;
+		return 1;
+	}
+	if (*tracepoint >= begin && *tracepoint < end)
+		return 1;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(tracepoint_get_iter_range);
+
+static void tracepoint_get_iter(struct tracepoint_iter *iter)
+{
+	int found = 0;
+
+	/* Core kernel tracepoints */
+	if (!iter->module) {
+		found = tracepoint_get_iter_range(&iter->tracepoint,
+				__start___tracepoints, __stop___tracepoints);
+		if (found)
+			goto end;
+	}
+	/* tracepoints in modules. */
+	found = module_get_iter_tracepoints(iter);
+end:
+	if (!found)
+		tracepoint_iter_reset(iter);
+}
+
+void tracepoint_iter_start(struct tracepoint_iter *iter)
+{
+	tracepoint_get_iter(iter);
+}
+EXPORT_SYMBOL_GPL(tracepoint_iter_start);
+
+void tracepoint_iter_next(struct tracepoint_iter *iter)
+{
+	iter->tracepoint++;
+	/*
+	 * iter->tracepoint may be invalid because we blindly incremented it.
+	 * Make sure it is valid by marshalling on the tracepoints, getting the
+	 * tracepoints from following modules if necessary.
+	 */
+	tracepoint_get_iter(iter);
+}
+EXPORT_SYMBOL_GPL(tracepoint_iter_next);
+
+void tracepoint_iter_stop(struct tracepoint_iter *iter)
+{
+}
+EXPORT_SYMBOL_GPL(tracepoint_iter_stop);
+
+void tracepoint_iter_reset(struct tracepoint_iter *iter)
+{
+	iter->module = NULL;
+	iter->tracepoint = NULL;
+}
+EXPORT_SYMBOL_GPL(tracepoint_iter_reset);
-- 
GitLab


From 24b8d831d56aac7907752d22d2aba5d8127db6f6 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 18 Jul 2008 12:16:16 -0400
Subject: [PATCH 0433/2224] tracing: tracepoints, documentation

Documentation of tracepoint usage.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: 'Peter Zijlstra' <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 Documentation/tracepoints.txt | 101 ++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 Documentation/tracepoints.txt

diff --git a/Documentation/tracepoints.txt b/Documentation/tracepoints.txt
new file mode 100644
index 00000000000..5d354e16749
--- /dev/null
+++ b/Documentation/tracepoints.txt
@@ -0,0 +1,101 @@
+	             Using the Linux Kernel Tracepoints
+
+			    Mathieu Desnoyers
+
+
+This document introduces Linux Kernel Tracepoints and their use. It provides
+examples of how to insert tracepoints in the kernel and connect probe functions
+to them and provides some examples of probe functions.
+
+
+* Purpose of tracepoints
+
+A tracepoint placed in code provides a hook to call a function (probe) that you
+can provide at runtime. A tracepoint can be "on" (a probe is connected to it) or
+"off" (no probe is attached). When a tracepoint is "off" it has no effect,
+except for adding a tiny time penalty (checking a condition for a branch) and
+space penalty (adding a few bytes for the function call at the end of the
+instrumented function and adds a data structure in a separate section).  When a
+tracepoint is "on", the function you provide is called each time the tracepoint
+is executed, in the execution context of the caller. When the function provided
+ends its execution, it returns to the caller (continuing from the tracepoint
+site).
+
+You can put tracepoints at important locations in the code. They are
+lightweight hooks that can pass an arbitrary number of parameters,
+which prototypes are described in a tracepoint declaration placed in a header
+file.
+
+They can be used for tracing and performance accounting.
+
+
+* Usage
+
+Two elements are required for tracepoints :
+
+- A tracepoint definition, placed in a header file.
+- The tracepoint statement, in C code.
+
+In order to use tracepoints, you should include linux/tracepoint.h.
+
+In include/trace/subsys.h :
+
+#include <linux/tracepoint.h>
+
+DEFINE_TRACE(subsys_eventname,
+	TPPTOTO(int firstarg, struct task_struct *p),
+	TPARGS(firstarg, p));
+
+In subsys/file.c (where the tracing statement must be added) :
+
+#include <trace/subsys.h>
+
+void somefct(void)
+{
+	...
+	trace_subsys_eventname(arg, task);
+	...
+}
+
+Where :
+- subsys_eventname is an identifier unique to your event
+    - subsys is the name of your subsystem.
+    - eventname is the name of the event to trace.
+- TPPTOTO(int firstarg, struct task_struct *p) is the prototype of the function
+  called by this tracepoint.
+- TPARGS(firstarg, p) are the parameters names, same as found in the prototype.
+
+Connecting a function (probe) to a tracepoint is done by providing a probe
+(function to call) for the specific tracepoint through
+register_trace_subsys_eventname().  Removing a probe is done through
+unregister_trace_subsys_eventname(); it will remove the probe sure there is no
+caller left using the probe when it returns. Probe removal is preempt-safe
+because preemption is disabled around the probe call. See the "Probe example"
+section below for a sample probe module.
+
+The tracepoint mechanism supports inserting multiple instances of the same
+tracepoint, but a single definition must be made of a given tracepoint name over
+all the kernel to make sure no type conflict will occur. Name mangling of the
+tracepoints is done using the prototypes to make sure typing is correct.
+Verification of probe type correctness is done at the registration site by the
+compiler. Tracepoints can be put in inline functions, inlined static functions,
+and unrolled loops as well as regular functions.
+
+The naming scheme "subsys_event" is suggested here as a convention intended
+to limit collisions. Tracepoint names are global to the kernel: they are
+considered as being the same whether they are in the core kernel image or in
+modules.
+
+
+* Probe / tracepoint example
+
+See the example provided in samples/tracepoints/src
+
+Compile them with your kernel.
+
+Run, as root :
+modprobe tracepoint-example (insmod order is not important)
+modprobe tracepoint-probe-example
+cat /proc/tracepoint-example (returns an expected error)
+rmmod tracepoint-example tracepoint-probe-example
+dmesg
-- 
GitLab


From 4a0897526bbc5c6ac0df80b16b8c60339e717ae2 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 18 Jul 2008 12:16:16 -0400
Subject: [PATCH 0434/2224] tracing: tracepoints, samples

Tracepoint example code under samples/.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: 'Peter Zijlstra' <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 samples/Kconfig                               |  6 ++
 samples/Makefile                              |  2 +-
 samples/tracepoints/Makefile                  |  6 ++
 samples/tracepoints/tp-samples-trace.h        | 13 +++++
 samples/tracepoints/tracepoint-probe-sample.c | 55 +++++++++++++++++++
 .../tracepoints/tracepoint-probe-sample2.c    | 42 ++++++++++++++
 samples/tracepoints/tracepoint-sample.c       | 53 ++++++++++++++++++
 7 files changed, 176 insertions(+), 1 deletion(-)
 create mode 100644 samples/tracepoints/Makefile
 create mode 100644 samples/tracepoints/tp-samples-trace.h
 create mode 100644 samples/tracepoints/tracepoint-probe-sample.c
 create mode 100644 samples/tracepoints/tracepoint-probe-sample2.c
 create mode 100644 samples/tracepoints/tracepoint-sample.c

diff --git a/samples/Kconfig b/samples/Kconfig
index e1fb471cc50..4b02f5a0e65 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -13,6 +13,12 @@ config SAMPLE_MARKERS
 	help
 	  This build markers example modules.
 
+config SAMPLE_TRACEPOINTS
+	tristate "Build tracepoints examples -- loadable modules only"
+	depends on TRACEPOINTS && m
+	help
+	  This build tracepoints example modules.
+
 config SAMPLE_KOBJECT
 	tristate "Build kobject examples"
 	help
diff --git a/samples/Makefile b/samples/Makefile
index 2e02575f779..10eaca89fe1 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -1,3 +1,3 @@
 # Makefile for Linux samples code
 
-obj-$(CONFIG_SAMPLES)	+= markers/ kobject/ kprobes/
+obj-$(CONFIG_SAMPLES)	+= markers/ kobject/ kprobes/ tracepoints/
diff --git a/samples/tracepoints/Makefile b/samples/tracepoints/Makefile
new file mode 100644
index 00000000000..36479ad9ae1
--- /dev/null
+++ b/samples/tracepoints/Makefile
@@ -0,0 +1,6 @@
+# builds the tracepoint example kernel modules;
+# then to use one (as root):  insmod <module_name.ko>
+
+obj-$(CONFIG_SAMPLE_TRACEPOINTS) += tracepoint-sample.o
+obj-$(CONFIG_SAMPLE_TRACEPOINTS) += tracepoint-probe-sample.o
+obj-$(CONFIG_SAMPLE_TRACEPOINTS) += tracepoint-probe-sample2.o
diff --git a/samples/tracepoints/tp-samples-trace.h b/samples/tracepoints/tp-samples-trace.h
new file mode 100644
index 00000000000..0216b55bd64
--- /dev/null
+++ b/samples/tracepoints/tp-samples-trace.h
@@ -0,0 +1,13 @@
+#ifndef _TP_SAMPLES_TRACE_H
+#define _TP_SAMPLES_TRACE_H
+
+#include <linux/proc_fs.h>	/* for struct inode and struct file */
+#include <linux/tracepoint.h>
+
+DEFINE_TRACE(subsys_event,
+	TPPROTO(struct inode *inode, struct file *file),
+	TPARGS(inode, file));
+DEFINE_TRACE(subsys_eventb,
+	TPPROTO(void),
+	TPARGS());
+#endif
diff --git a/samples/tracepoints/tracepoint-probe-sample.c b/samples/tracepoints/tracepoint-probe-sample.c
new file mode 100644
index 00000000000..55abfdda4bd
--- /dev/null
+++ b/samples/tracepoints/tracepoint-probe-sample.c
@@ -0,0 +1,55 @@
+/*
+ * tracepoint-probe-sample.c
+ *
+ * sample tracepoint probes.
+ */
+
+#include <linux/module.h>
+#include <linux/file.h>
+#include <linux/dcache.h>
+#include "tp-samples-trace.h"
+
+/*
+ * Here the caller only guarantees locking for struct file and struct inode.
+ * Locking must therefore be done in the probe to use the dentry.
+ */
+static void probe_subsys_event(struct inode *inode, struct file *file)
+{
+	path_get(&file->f_path);
+	dget(file->f_path.dentry);
+	printk(KERN_INFO "Event is encountered with filename %s\n",
+		file->f_path.dentry->d_name.name);
+	dput(file->f_path.dentry);
+	path_put(&file->f_path);
+}
+
+static void probe_subsys_eventb(void)
+{
+	printk(KERN_INFO "Event B is encountered\n");
+}
+
+int __init tp_sample_trace_init(void)
+{
+	int ret;
+
+	ret = register_trace_subsys_event(probe_subsys_event);
+	WARN_ON(ret);
+	ret = register_trace_subsys_eventb(probe_subsys_eventb);
+	WARN_ON(ret);
+
+	return 0;
+}
+
+module_init(tp_sample_trace_init);
+
+void __exit tp_sample_trace_exit(void)
+{
+	unregister_trace_subsys_eventb(probe_subsys_eventb);
+	unregister_trace_subsys_event(probe_subsys_event);
+}
+
+module_exit(tp_sample_trace_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Tracepoint Probes Samples");
diff --git a/samples/tracepoints/tracepoint-probe-sample2.c b/samples/tracepoints/tracepoint-probe-sample2.c
new file mode 100644
index 00000000000..5e9fcf4afff
--- /dev/null
+++ b/samples/tracepoints/tracepoint-probe-sample2.c
@@ -0,0 +1,42 @@
+/*
+ * tracepoint-probe-sample2.c
+ *
+ * 2nd sample tracepoint probes.
+ */
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include "tp-samples-trace.h"
+
+/*
+ * Here the caller only guarantees locking for struct file and struct inode.
+ * Locking must therefore be done in the probe to use the dentry.
+ */
+static void probe_subsys_event(struct inode *inode, struct file *file)
+{
+	printk(KERN_INFO "Event is encountered with inode number %lu\n",
+		inode->i_ino);
+}
+
+int __init tp_sample_trace_init(void)
+{
+	int ret;
+
+	ret = register_trace_subsys_event(probe_subsys_event);
+	WARN_ON(ret);
+
+	return 0;
+}
+
+module_init(tp_sample_trace_init);
+
+void __exit tp_sample_trace_exit(void)
+{
+	unregister_trace_subsys_event(probe_subsys_event);
+}
+
+module_exit(tp_sample_trace_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Tracepoint Probes Samples");
diff --git a/samples/tracepoints/tracepoint-sample.c b/samples/tracepoints/tracepoint-sample.c
new file mode 100644
index 00000000000..4ae4b7fcc04
--- /dev/null
+++ b/samples/tracepoints/tracepoint-sample.c
@@ -0,0 +1,53 @@
+/* tracepoint-sample.c
+ *
+ * Executes a tracepoint when /proc/tracepoint-example is opened.
+ *
+ * (C) Copyright 2007 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ *
+ * This file is released under the GPLv2.
+ * See the file COPYING for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/proc_fs.h>
+#include "tp-samples-trace.h"
+
+struct proc_dir_entry *pentry_example;
+
+static int my_open(struct inode *inode, struct file *file)
+{
+	int i;
+
+	trace_subsys_event(inode, file);
+	for (i = 0; i < 10; i++)
+		trace_subsys_eventb();
+	return -EPERM;
+}
+
+static struct file_operations mark_ops = {
+	.open = my_open,
+};
+
+static int example_init(void)
+{
+	printk(KERN_ALERT "example init\n");
+	pentry_example = proc_create("tracepoint-example", 0444, NULL,
+		&mark_ops);
+	if (!pentry_example)
+		return -EPERM;
+	return 0;
+}
+
+static void example_exit(void)
+{
+	printk(KERN_ALERT "example exit\n");
+	remove_proc_entry("tracepoint-example", NULL);
+}
+
+module_init(example_init)
+module_exit(example_exit)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Tracepoint example");
-- 
GitLab


From 0a16b6075843325dc402edf80c1662838b929aff Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 18 Jul 2008 12:16:17 -0400
Subject: [PATCH 0435/2224] tracing, sched: LTTng instrumentation - scheduler

Instrument the scheduler activity (sched_switch, migration, wakeups,
wait for a task, signal delivery) and process/thread
creation/destruction (fork, exit, kthread stop). Actually, kthread
creation is not instrumented in this patch because it is architecture
dependent. It allows to connect tracers such as ftrace which detects
scheduling latencies, good/bad scheduler decisions. Tools like LTTng can
export this scheduler information along with instrumentation of the rest
of the kernel activity to perform post-mortem analysis on the scheduler
activity.

About the performance impact of tracepoints (which is comparable to
markers), even without immediate values optimizations, tests done by
Hideo Aoki on ia64 show no regression. His test case was using hackbench
on a kernel where scheduler instrumentation (about 5 events in code
scheduler code) was added. See the "Tracepoints" patch header for
performance result detail.

Changelog :

- Change instrumentation location and parameter to match ftrace
  instrumentation, previously done with kernel markers.

[ mingo@elte.hu: conflict resolutions ]
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: 'Peter Zijlstra' <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/trace/sched.h | 45 +++++++++++++++++++++++++++++++++++++++++++
 kernel/exit.c         | 10 +++++++++-
 kernel/fork.c         |  3 +++
 kernel/kthread.c      |  5 +++++
 kernel/sched.c        | 17 ++++++----------
 kernel/signal.c       |  3 +++
 6 files changed, 71 insertions(+), 12 deletions(-)
 create mode 100644 include/trace/sched.h

diff --git a/include/trace/sched.h b/include/trace/sched.h
new file mode 100644
index 00000000000..506ae132365
--- /dev/null
+++ b/include/trace/sched.h
@@ -0,0 +1,45 @@
+#ifndef _TRACE_SCHED_H
+#define _TRACE_SCHED_H
+
+#include <linux/sched.h>
+#include <linux/tracepoint.h>
+
+DEFINE_TRACE(sched_kthread_stop,
+	TPPROTO(struct task_struct *t),
+	TPARGS(t));
+DEFINE_TRACE(sched_kthread_stop_ret,
+	TPPROTO(int ret),
+	TPARGS(ret));
+DEFINE_TRACE(sched_wait_task,
+	TPPROTO(struct rq *rq, struct task_struct *p),
+	TPARGS(rq, p));
+DEFINE_TRACE(sched_wakeup,
+	TPPROTO(struct rq *rq, struct task_struct *p),
+	TPARGS(rq, p));
+DEFINE_TRACE(sched_wakeup_new,
+	TPPROTO(struct rq *rq, struct task_struct *p),
+	TPARGS(rq, p));
+DEFINE_TRACE(sched_switch,
+	TPPROTO(struct rq *rq, struct task_struct *prev,
+		struct task_struct *next),
+	TPARGS(rq, prev, next));
+DEFINE_TRACE(sched_migrate_task,
+	TPPROTO(struct rq *rq, struct task_struct *p, int dest_cpu),
+	TPARGS(rq, p, dest_cpu));
+DEFINE_TRACE(sched_process_free,
+	TPPROTO(struct task_struct *p),
+	TPARGS(p));
+DEFINE_TRACE(sched_process_exit,
+	TPPROTO(struct task_struct *p),
+	TPARGS(p));
+DEFINE_TRACE(sched_process_wait,
+	TPPROTO(struct pid *pid),
+	TPARGS(pid));
+DEFINE_TRACE(sched_process_fork,
+	TPPROTO(struct task_struct *parent, struct task_struct *child),
+	TPARGS(parent, child));
+DEFINE_TRACE(sched_signal_send,
+	TPPROTO(int sig, struct task_struct *p),
+	TPARGS(sig, p));
+
+#endif
diff --git a/kernel/exit.c b/kernel/exit.c
index 85a83c83185..7b71f87f120 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -47,6 +47,7 @@
 #include <linux/blkdev.h>
 #include <linux/task_io_accounting_ops.h>
 #include <linux/tracehook.h>
+#include <trace/sched.h>
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -149,7 +150,10 @@ static void __exit_signal(struct task_struct *tsk)
 
 static void delayed_put_task_struct(struct rcu_head *rhp)
 {
-	put_task_struct(container_of(rhp, struct task_struct, rcu));
+	struct task_struct *tsk = container_of(rhp, struct task_struct, rcu);
+
+	trace_sched_process_free(tsk);
+	put_task_struct(tsk);
 }
 
 
@@ -1074,6 +1078,8 @@ NORET_TYPE void do_exit(long code)
 
 	if (group_dead)
 		acct_process();
+	trace_sched_process_exit(tsk);
+
 	exit_sem(tsk);
 	exit_files(tsk);
 	exit_fs(tsk);
@@ -1675,6 +1681,8 @@ static long do_wait(enum pid_type type, struct pid *pid, int options,
 	struct task_struct *tsk;
 	int retval;
 
+	trace_sched_process_wait(pid);
+
 	add_wait_queue(&current->signal->wait_chldexit,&wait);
 repeat:
 	/*
diff --git a/kernel/fork.c b/kernel/fork.c
index 30de644a40c..cfaff92f61f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -58,6 +58,7 @@
 #include <linux/tty.h>
 #include <linux/proc_fs.h>
 #include <linux/blkdev.h>
+#include <trace/sched.h>
 
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
@@ -1364,6 +1365,8 @@ long do_fork(unsigned long clone_flags,
 	if (!IS_ERR(p)) {
 		struct completion vfork;
 
+		trace_sched_process_fork(current, p);
+
 		nr = task_pid_vnr(p);
 
 		if (clone_flags & CLONE_PARENT_SETTID)
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 96cff2f8710..50598e29439 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -13,6 +13,7 @@
 #include <linux/file.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <trace/sched.h>
 
 #define KTHREAD_NICE_LEVEL (-5)
 
@@ -206,6 +207,8 @@ int kthread_stop(struct task_struct *k)
 	/* It could exit after stop_info.k set, but before wake_up_process. */
 	get_task_struct(k);
 
+	trace_sched_kthread_stop(k);
+
 	/* Must init completion *before* thread sees kthread_stop_info.k */
 	init_completion(&kthread_stop_info.done);
 	smp_wmb();
@@ -221,6 +224,8 @@ int kthread_stop(struct task_struct *k)
 	ret = kthread_stop_info.err;
 	mutex_unlock(&kthread_stop_lock);
 
+	trace_sched_kthread_stop_ret(ret);
+
 	return ret;
 }
 EXPORT_SYMBOL(kthread_stop);
diff --git a/kernel/sched.c b/kernel/sched.c
index 6f230596bd0..3d1ad130c24 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -71,6 +71,7 @@
 #include <linux/debugfs.h>
 #include <linux/ctype.h>
 #include <linux/ftrace.h>
+#include <trace/sched.h>
 
 #include <asm/tlb.h>
 #include <asm/irq_regs.h>
@@ -1936,6 +1937,7 @@ unsigned long wait_task_inactive(struct task_struct *p, long match_state)
 		 * just go back and repeat.
 		 */
 		rq = task_rq_lock(p, &flags);
+		trace_sched_wait_task(rq, p);
 		running = task_running(rq, p);
 		on_rq = p->se.on_rq;
 		ncsw = 0;
@@ -2297,9 +2299,7 @@ out_activate:
 	success = 1;
 
 out_running:
-	trace_mark(kernel_sched_wakeup,
-		"pid %d state %ld ## rq %p task %p rq->curr %p",
-		p->pid, p->state, rq, p, rq->curr);
+	trace_sched_wakeup(rq, p);
 	check_preempt_curr(rq, p, sync);
 
 	p->state = TASK_RUNNING;
@@ -2432,9 +2432,7 @@ void wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
 		p->sched_class->task_new(rq, p);
 		inc_nr_running(rq);
 	}
-	trace_mark(kernel_sched_wakeup_new,
-		"pid %d state %ld ## rq %p task %p rq->curr %p",
-		p->pid, p->state, rq, p, rq->curr);
+	trace_sched_wakeup_new(rq, p);
 	check_preempt_curr(rq, p, 0);
 #ifdef CONFIG_SMP
 	if (p->sched_class->task_wake_up)
@@ -2607,11 +2605,7 @@ context_switch(struct rq *rq, struct task_struct *prev,
 	struct mm_struct *mm, *oldmm;
 
 	prepare_task_switch(rq, prev, next);
-	trace_mark(kernel_sched_schedule,
-		"prev_pid %d next_pid %d prev_state %ld "
-		"## rq %p prev %p next %p",
-		prev->pid, next->pid, prev->state,
-		rq, prev, next);
+	trace_sched_switch(rq, prev, next);
 	mm = next->mm;
 	oldmm = prev->active_mm;
 	/*
@@ -2851,6 +2845,7 @@ static void sched_migrate_task(struct task_struct *p, int dest_cpu)
 	    || unlikely(!cpu_active(dest_cpu)))
 		goto out;
 
+	trace_sched_migrate_task(rq, p, dest_cpu);
 	/* force the process onto the specified CPU */
 	if (migrate_task(p, dest_cpu, &req)) {
 		/* Need to wait for migration thread (might exit: take ref). */
diff --git a/kernel/signal.c b/kernel/signal.c
index e661b01d340..bf40ecc87b2 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -27,6 +27,7 @@
 #include <linux/freezer.h>
 #include <linux/pid_namespace.h>
 #include <linux/nsproxy.h>
+#include <trace/sched.h>
 
 #include <asm/param.h>
 #include <asm/uaccess.h>
@@ -803,6 +804,8 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
 	struct sigpending *pending;
 	struct sigqueue *q;
 
+	trace_sched_signal_send(sig, t);
+
 	assert_spin_locked(&t->sighand->siglock);
 	if (!prepare_signal(sig, t))
 		return 0;
-- 
GitLab


From b07c3f193a8074aa4afe43cfa8ae38ec4c7ccfa9 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 18 Jul 2008 12:16:17 -0400
Subject: [PATCH 0436/2224] ftrace: port to tracepoints

Porting the trace_mark() used by ftrace to tracepoints. (cleanup)

Changelog :
- Change error messages : marker -> tracepoint

[ mingo@elte.hu: conflict resolutions ]
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: 'Peter Zijlstra' <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_sched_switch.c | 120 ++++++--------------------
 kernel/trace/trace_sched_wakeup.c | 135 ++++++++----------------------
 2 files changed, 58 insertions(+), 197 deletions(-)

diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index cb817a209aa..789e927abc9 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -9,8 +9,8 @@
 #include <linux/debugfs.h>
 #include <linux/kallsyms.h>
 #include <linux/uaccess.h>
-#include <linux/marker.h>
 #include <linux/ftrace.h>
+#include <trace/sched.h>
 
 #include "trace.h"
 
@@ -19,16 +19,17 @@ static int __read_mostly	tracer_enabled;
 static atomic_t			sched_ref;
 
 static void
-sched_switch_func(void *private, void *__rq, struct task_struct *prev,
+probe_sched_switch(struct rq *__rq, struct task_struct *prev,
 			struct task_struct *next)
 {
-	struct trace_array **ptr = private;
-	struct trace_array *tr = *ptr;
 	struct trace_array_cpu *data;
 	unsigned long flags;
 	long disabled;
 	int cpu;
 
+	if (!atomic_read(&sched_ref))
+		return;
+
 	tracing_record_cmdline(prev);
 	tracing_record_cmdline(next);
 
@@ -37,95 +38,42 @@ sched_switch_func(void *private, void *__rq, struct task_struct *prev,
 
 	local_irq_save(flags);
 	cpu = raw_smp_processor_id();
-	data = tr->data[cpu];
+	data = ctx_trace->data[cpu];
 	disabled = atomic_inc_return(&data->disabled);
 
 	if (likely(disabled == 1))
-		tracing_sched_switch_trace(tr, data, prev, next, flags);
+		tracing_sched_switch_trace(ctx_trace, data, prev, next, flags);
 
 	atomic_dec(&data->disabled);
 	local_irq_restore(flags);
 }
 
-static notrace void
-sched_switch_callback(void *probe_data, void *call_data,
-		      const char *format, va_list *args)
-{
-	struct task_struct *prev;
-	struct task_struct *next;
-	struct rq *__rq;
-
-	if (!atomic_read(&sched_ref))
-		return;
-
-	/* skip prev_pid %d next_pid %d prev_state %ld */
-	(void)va_arg(*args, int);
-	(void)va_arg(*args, int);
-	(void)va_arg(*args, long);
-	__rq = va_arg(*args, typeof(__rq));
-	prev = va_arg(*args, typeof(prev));
-	next = va_arg(*args, typeof(next));
-
-	/*
-	 * If tracer_switch_func only points to the local
-	 * switch func, it still needs the ptr passed to it.
-	 */
-	sched_switch_func(probe_data, __rq, prev, next);
-}
-
 static void
-wakeup_func(void *private, void *__rq, struct task_struct *wakee, struct
-			task_struct *curr)
+probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
 {
-	struct trace_array **ptr = private;
-	struct trace_array *tr = *ptr;
 	struct trace_array_cpu *data;
 	unsigned long flags;
 	long disabled;
 	int cpu;
 
-	if (!tracer_enabled)
+	if (!likely(tracer_enabled))
 		return;
 
-	tracing_record_cmdline(curr);
+	tracing_record_cmdline(current);
 
 	local_irq_save(flags);
 	cpu = raw_smp_processor_id();
-	data = tr->data[cpu];
+	data = ctx_trace->data[cpu];
 	disabled = atomic_inc_return(&data->disabled);
 
 	if (likely(disabled == 1))
-		tracing_sched_wakeup_trace(tr, data, wakee, curr, flags);
+		tracing_sched_wakeup_trace(ctx_trace, data, wakee, current,
+			flags);
 
 	atomic_dec(&data->disabled);
 	local_irq_restore(flags);
 }
 
-static notrace void
-wake_up_callback(void *probe_data, void *call_data,
-		 const char *format, va_list *args)
-{
-	struct task_struct *curr;
-	struct task_struct *task;
-	struct rq *__rq;
-
-	if (likely(!tracer_enabled))
-		return;
-
-	/* Skip pid %d state %ld */
-	(void)va_arg(*args, int);
-	(void)va_arg(*args, long);
-	/* now get the meat: "rq %p task %p rq->curr %p" */
-	__rq = va_arg(*args, typeof(__rq));
-	task = va_arg(*args, typeof(task));
-	curr = va_arg(*args, typeof(curr));
-
-	tracing_record_cmdline(task);
-	tracing_record_cmdline(curr);
-
-	wakeup_func(probe_data, __rq, task, curr);
-}
-
 static void sched_switch_reset(struct trace_array *tr)
 {
 	int cpu;
@@ -140,60 +88,40 @@ static int tracing_sched_register(void)
 {
 	int ret;
 
-	ret = marker_probe_register("kernel_sched_wakeup",
-			"pid %d state %ld ## rq %p task %p rq->curr %p",
-			wake_up_callback,
-			&ctx_trace);
+	ret = register_trace_sched_wakeup(probe_sched_wakeup);
 	if (ret) {
-		pr_info("wakeup trace: Couldn't add marker"
+		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup\n");
 		return ret;
 	}
 
-	ret = marker_probe_register("kernel_sched_wakeup_new",
-			"pid %d state %ld ## rq %p task %p rq->curr %p",
-			wake_up_callback,
-			&ctx_trace);
+	ret = register_trace_sched_wakeup_new(probe_sched_wakeup);
 	if (ret) {
-		pr_info("wakeup trace: Couldn't add marker"
+		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup_new\n");
 		goto fail_deprobe;
 	}
 
-	ret = marker_probe_register("kernel_sched_schedule",
-		"prev_pid %d next_pid %d prev_state %ld "
-		"## rq %p prev %p next %p",
-		sched_switch_callback,
-		&ctx_trace);
+	ret = register_trace_sched_switch(probe_sched_switch);
 	if (ret) {
-		pr_info("sched trace: Couldn't add marker"
+		pr_info("sched trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_schedule\n");
 		goto fail_deprobe_wake_new;
 	}
 
 	return ret;
 fail_deprobe_wake_new:
-	marker_probe_unregister("kernel_sched_wakeup_new",
-				wake_up_callback,
-				&ctx_trace);
+	unregister_trace_sched_wakeup_new(probe_sched_wakeup);
 fail_deprobe:
-	marker_probe_unregister("kernel_sched_wakeup",
-				wake_up_callback,
-				&ctx_trace);
+	unregister_trace_sched_wakeup(probe_sched_wakeup);
 	return ret;
 }
 
 static void tracing_sched_unregister(void)
 {
-	marker_probe_unregister("kernel_sched_schedule",
-				sched_switch_callback,
-				&ctx_trace);
-	marker_probe_unregister("kernel_sched_wakeup_new",
-				wake_up_callback,
-				&ctx_trace);
-	marker_probe_unregister("kernel_sched_wakeup",
-				wake_up_callback,
-				&ctx_trace);
+	unregister_trace_sched_switch(probe_sched_switch);
+	unregister_trace_sched_wakeup_new(probe_sched_wakeup);
+	unregister_trace_sched_wakeup(probe_sched_wakeup);
 }
 
 static void tracing_start_sched_switch(void)
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index e303ccb62cd..08206b4e29c 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -15,7 +15,7 @@
 #include <linux/kallsyms.h>
 #include <linux/uaccess.h>
 #include <linux/ftrace.h>
-#include <linux/marker.h>
+#include <trace/sched.h>
 
 #include "trace.h"
 
@@ -112,18 +112,18 @@ static int report_latency(cycle_t delta)
 }
 
 static void notrace
-wakeup_sched_switch(void *private, void *rq, struct task_struct *prev,
+probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
 	struct task_struct *next)
 {
 	unsigned long latency = 0, t0 = 0, t1 = 0;
-	struct trace_array **ptr = private;
-	struct trace_array *tr = *ptr;
 	struct trace_array_cpu *data;
 	cycle_t T0, T1, delta;
 	unsigned long flags;
 	long disabled;
 	int cpu;
 
+	tracing_record_cmdline(prev);
+
 	if (unlikely(!tracer_enabled))
 		return;
 
@@ -140,11 +140,11 @@ wakeup_sched_switch(void *private, void *rq, struct task_struct *prev,
 		return;
 
 	/* The task we are waiting for is waking up */
-	data = tr->data[wakeup_cpu];
+	data = wakeup_trace->data[wakeup_cpu];
 
 	/* disable local data, not wakeup_cpu data */
 	cpu = raw_smp_processor_id();
-	disabled = atomic_inc_return(&tr->data[cpu]->disabled);
+	disabled = atomic_inc_return(&wakeup_trace->data[cpu]->disabled);
 	if (likely(disabled != 1))
 		goto out;
 
@@ -155,7 +155,7 @@ wakeup_sched_switch(void *private, void *rq, struct task_struct *prev,
 	if (unlikely(!tracer_enabled || next != wakeup_task))
 		goto out_unlock;
 
-	trace_function(tr, data, CALLER_ADDR1, CALLER_ADDR2, flags);
+	trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags);
 
 	/*
 	 * usecs conversion is slow so we try to delay the conversion
@@ -174,39 +174,14 @@ wakeup_sched_switch(void *private, void *rq, struct task_struct *prev,
 	t0 = nsecs_to_usecs(T0);
 	t1 = nsecs_to_usecs(T1);
 
-	update_max_tr(tr, wakeup_task, wakeup_cpu);
+	update_max_tr(wakeup_trace, wakeup_task, wakeup_cpu);
 
 out_unlock:
-	__wakeup_reset(tr);
+	__wakeup_reset(wakeup_trace);
 	__raw_spin_unlock(&wakeup_lock);
 	local_irq_restore(flags);
 out:
-	atomic_dec(&tr->data[cpu]->disabled);
-}
-
-static notrace void
-sched_switch_callback(void *probe_data, void *call_data,
-		      const char *format, va_list *args)
-{
-	struct task_struct *prev;
-	struct task_struct *next;
-	struct rq *__rq;
-
-	/* skip prev_pid %d next_pid %d prev_state %ld */
-	(void)va_arg(*args, int);
-	(void)va_arg(*args, int);
-	(void)va_arg(*args, long);
-	__rq = va_arg(*args, typeof(__rq));
-	prev = va_arg(*args, typeof(prev));
-	next = va_arg(*args, typeof(next));
-
-	tracing_record_cmdline(prev);
-
-	/*
-	 * If tracer_switch_func only points to the local
-	 * switch func, it still needs the ptr passed to it.
-	 */
-	wakeup_sched_switch(probe_data, __rq, prev, next);
+	atomic_dec(&wakeup_trace->data[cpu]->disabled);
 }
 
 static void __wakeup_reset(struct trace_array *tr)
@@ -240,19 +215,24 @@ static void wakeup_reset(struct trace_array *tr)
 }
 
 static void
-wakeup_check_start(struct trace_array *tr, struct task_struct *p,
-		   struct task_struct *curr)
+probe_wakeup(struct rq *rq, struct task_struct *p)
 {
 	int cpu = smp_processor_id();
 	unsigned long flags;
 	long disabled;
 
+	if (likely(!tracer_enabled))
+		return;
+
+	tracing_record_cmdline(p);
+	tracing_record_cmdline(current);
+
 	if (likely(!rt_task(p)) ||
 			p->prio >= wakeup_prio ||
-			p->prio >= curr->prio)
+			p->prio >= current->prio)
 		return;
 
-	disabled = atomic_inc_return(&tr->data[cpu]->disabled);
+	disabled = atomic_inc_return(&wakeup_trace->data[cpu]->disabled);
 	if (unlikely(disabled != 1))
 		goto out;
 
@@ -264,7 +244,7 @@ wakeup_check_start(struct trace_array *tr, struct task_struct *p,
 		goto out_locked;
 
 	/* reset the trace */
-	__wakeup_reset(tr);
+	__wakeup_reset(wakeup_trace);
 
 	wakeup_cpu = task_cpu(p);
 	wakeup_prio = p->prio;
@@ -274,74 +254,37 @@ wakeup_check_start(struct trace_array *tr, struct task_struct *p,
 
 	local_save_flags(flags);
 
-	tr->data[wakeup_cpu]->preempt_timestamp = ftrace_now(cpu);
-	trace_function(tr, tr->data[wakeup_cpu],
+	wakeup_trace->data[wakeup_cpu]->preempt_timestamp = ftrace_now(cpu);
+	trace_function(wakeup_trace, wakeup_trace->data[wakeup_cpu],
 		       CALLER_ADDR1, CALLER_ADDR2, flags);
 
 out_locked:
 	__raw_spin_unlock(&wakeup_lock);
 out:
-	atomic_dec(&tr->data[cpu]->disabled);
-}
-
-static notrace void
-wake_up_callback(void *probe_data, void *call_data,
-		 const char *format, va_list *args)
-{
-	struct trace_array **ptr = probe_data;
-	struct trace_array *tr = *ptr;
-	struct task_struct *curr;
-	struct task_struct *task;
-	struct rq *__rq;
-
-	if (likely(!tracer_enabled))
-		return;
-
-	/* Skip pid %d state %ld */
-	(void)va_arg(*args, int);
-	(void)va_arg(*args, long);
-	/* now get the meat: "rq %p task %p rq->curr %p" */
-	__rq = va_arg(*args, typeof(__rq));
-	task = va_arg(*args, typeof(task));
-	curr = va_arg(*args, typeof(curr));
-
-	tracing_record_cmdline(task);
-	tracing_record_cmdline(curr);
-
-	wakeup_check_start(tr, task, curr);
+	atomic_dec(&wakeup_trace->data[cpu]->disabled);
 }
 
 static void start_wakeup_tracer(struct trace_array *tr)
 {
 	int ret;
 
-	ret = marker_probe_register("kernel_sched_wakeup",
-			"pid %d state %ld ## rq %p task %p rq->curr %p",
-			wake_up_callback,
-			&wakeup_trace);
+	ret = register_trace_sched_wakeup(probe_wakeup);
 	if (ret) {
-		pr_info("wakeup trace: Couldn't add marker"
+		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup\n");
 		return;
 	}
 
-	ret = marker_probe_register("kernel_sched_wakeup_new",
-			"pid %d state %ld ## rq %p task %p rq->curr %p",
-			wake_up_callback,
-			&wakeup_trace);
+	ret = register_trace_sched_wakeup_new(probe_wakeup);
 	if (ret) {
-		pr_info("wakeup trace: Couldn't add marker"
+		pr_info("wakeup trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_wakeup_new\n");
 		goto fail_deprobe;
 	}
 
-	ret = marker_probe_register("kernel_sched_schedule",
-		"prev_pid %d next_pid %d prev_state %ld "
-		"## rq %p prev %p next %p",
-		sched_switch_callback,
-		&wakeup_trace);
+	ret = register_trace_sched_switch(probe_wakeup_sched_switch);
 	if (ret) {
-		pr_info("sched trace: Couldn't add marker"
+		pr_info("sched trace: Couldn't activate tracepoint"
 			" probe to kernel_sched_schedule\n");
 		goto fail_deprobe_wake_new;
 	}
@@ -363,28 +306,18 @@ static void start_wakeup_tracer(struct trace_array *tr)
 
 	return;
 fail_deprobe_wake_new:
-	marker_probe_unregister("kernel_sched_wakeup_new",
-				wake_up_callback,
-				&wakeup_trace);
+	unregister_trace_sched_wakeup_new(probe_wakeup);
 fail_deprobe:
-	marker_probe_unregister("kernel_sched_wakeup",
-				wake_up_callback,
-				&wakeup_trace);
+	unregister_trace_sched_wakeup(probe_wakeup);
 }
 
 static void stop_wakeup_tracer(struct trace_array *tr)
 {
 	tracer_enabled = 0;
 	unregister_ftrace_function(&trace_ops);
-	marker_probe_unregister("kernel_sched_schedule",
-				sched_switch_callback,
-				&wakeup_trace);
-	marker_probe_unregister("kernel_sched_wakeup_new",
-				wake_up_callback,
-				&wakeup_trace);
-	marker_probe_unregister("kernel_sched_wakeup",
-				wake_up_callback,
-				&wakeup_trace);
+	unregister_trace_sched_switch(probe_wakeup_sched_switch);
+	unregister_trace_sched_wakeup_new(probe_wakeup);
+	unregister_trace_sched_wakeup(probe_wakeup);
 }
 
 static void wakeup_tracer_init(struct trace_array *tr)
-- 
GitLab


From fa340d9c050e78fb21a142b617304214ae5e0c2d Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 23 Jul 2008 13:38:00 +0200
Subject: [PATCH 0437/2224] tracing: disable tracepoints by default

while it's arguably low overhead, we dont enable new features by default.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 init/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/init/Kconfig b/init/Kconfig
index 70082678a91..d5994490b0b 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -773,7 +773,6 @@ config PROFILING
 
 config TRACEPOINTS
 	bool "Activate tracepoints"
-	default y
 	help
 	  Place an empty function call at each tracepoint site. Can be
 	  dynamically changed for a probe function.
-- 
GitLab


From cf569a932217b97e2fc2c48aa597fe29519a0cff Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 23 Jul 2008 13:48:22 +0200
Subject: [PATCH 0438/2224] sched: clean up tracepoints

make it a bit more structured hence more readable.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/trace/sched.h | 35 +++++++++++++++++++++++------------
 1 file changed, 23 insertions(+), 12 deletions(-)

diff --git a/include/trace/sched.h b/include/trace/sched.h
index 506ae132365..ad47369d01b 100644
--- a/include/trace/sched.h
+++ b/include/trace/sched.h
@@ -6,40 +6,51 @@
 
 DEFINE_TRACE(sched_kthread_stop,
 	TPPROTO(struct task_struct *t),
-	TPARGS(t));
+		TPARGS(t));
+
 DEFINE_TRACE(sched_kthread_stop_ret,
 	TPPROTO(int ret),
-	TPARGS(ret));
+		TPARGS(ret));
+
 DEFINE_TRACE(sched_wait_task,
 	TPPROTO(struct rq *rq, struct task_struct *p),
-	TPARGS(rq, p));
+		TPARGS(rq, p));
+
 DEFINE_TRACE(sched_wakeup,
 	TPPROTO(struct rq *rq, struct task_struct *p),
-	TPARGS(rq, p));
+		TPARGS(rq, p));
+
 DEFINE_TRACE(sched_wakeup_new,
 	TPPROTO(struct rq *rq, struct task_struct *p),
-	TPARGS(rq, p));
+		TPARGS(rq, p));
+
 DEFINE_TRACE(sched_switch,
 	TPPROTO(struct rq *rq, struct task_struct *prev,
 		struct task_struct *next),
-	TPARGS(rq, prev, next));
+		TPARGS(rq, prev, next));
+
 DEFINE_TRACE(sched_migrate_task,
 	TPPROTO(struct rq *rq, struct task_struct *p, int dest_cpu),
-	TPARGS(rq, p, dest_cpu));
+		TPARGS(rq, p, dest_cpu));
+
 DEFINE_TRACE(sched_process_free,
 	TPPROTO(struct task_struct *p),
-	TPARGS(p));
+		TPARGS(p));
+
 DEFINE_TRACE(sched_process_exit,
 	TPPROTO(struct task_struct *p),
-	TPARGS(p));
+		TPARGS(p));
+
 DEFINE_TRACE(sched_process_wait,
 	TPPROTO(struct pid *pid),
-	TPARGS(pid));
+		TPARGS(pid));
+
 DEFINE_TRACE(sched_process_fork,
 	TPPROTO(struct task_struct *parent, struct task_struct *child),
-	TPARGS(parent, child));
+		TPARGS(parent, child));
+
 DEFINE_TRACE(sched_signal_send,
 	TPPROTO(int sig, struct task_struct *p),
-	TPARGS(sig, p));
+		TPARGS(sig, p));
 
 #endif
-- 
GitLab


From 5f87f1121895dc09d2d1c1db5f14af6aa4ce3e94 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 23 Jul 2008 14:15:22 +0200
Subject: [PATCH 0439/2224] tracing: clean up tracepoints kconfig structure

do not expose users to CONFIG_TRACEPOINTS - tracers can select it
just fine.

update ftrace to select CONFIG_TRACEPOINTS.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 init/Kconfig         | 9 +++++----
 kernel/trace/Kconfig | 1 +
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/init/Kconfig b/init/Kconfig
index d5994490b0b..031344f954f 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -771,11 +771,12 @@ config PROFILING
 	  Say Y here to enable the extended profiling support mechanisms used
 	  by profilers such as OProfile.
 
+#
+# Place an empty function call at each tracepoint site. Can be
+# dynamically changed for a probe function.
+#
 config TRACEPOINTS
-	bool "Activate tracepoints"
-	help
-	  Place an empty function call at each tracepoint site. Can be
-	  dynamically changed for a probe function.
+	bool
 
 config MARKERS
 	bool "Activate markers"
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 263e9e6bbd6..cae2637d5e6 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -14,6 +14,7 @@ config TRACING
 	bool
 	select DEBUG_FS
 	select STACKTRACE
+	select TRACEPOINTS
 
 config FTRACE
 	bool "Kernel Function Tracer"
-- 
GitLab


From 611b1597680dd4a57896bcca1af0484be463c55e Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Mon, 21 Jul 2008 18:49:56 +0300
Subject: [PATCH 0440/2224] x86: fix mmiotrace 8-bit register decoding

When SIL, DIL, BPL or SPL registers were used in MMIO, the datum
was extracted from AH, BH, CH, or DH, which are incorrect.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Cc: "Vegard Nossum" <vegard.nossum@gmail.com>
Cc: "Steven Rostedt" <srostedt@redhat.com>
Cc: proski@gnu.org
Cc: "Pekka Enberg"
	<penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/pf_in.c | 121 ++++++++++++++++++++++++++++++--------------
 1 file changed, 84 insertions(+), 37 deletions(-)

diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c
index efa1911e20c..df3d5c861cd 100644
--- a/arch/x86/mm/pf_in.c
+++ b/arch/x86/mm/pf_in.c
@@ -79,25 +79,34 @@ static unsigned int mw32[] = { 0xC7 };
 static unsigned int mw64[] = { 0x89, 0x8B };
 #endif /* not __i386__ */
 
-static int skip_prefix(unsigned char *addr, int *shorted, int *enlarged,
-								int *rexr)
+struct prefix_bits {
+	unsigned shorted:1;
+	unsigned enlarged:1;
+	unsigned rexr:1;
+	unsigned rex:1;
+};
+
+static int skip_prefix(unsigned char *addr, struct prefix_bits *prf)
 {
 	int i;
 	unsigned char *p = addr;
-	*shorted = 0;
-	*enlarged = 0;
-	*rexr = 0;
+	prf->shorted = 0;
+	prf->enlarged = 0;
+	prf->rexr = 0;
+	prf->rex = 0;
 
 restart:
 	for (i = 0; i < ARRAY_SIZE(prefix_codes); i++) {
 		if (*p == prefix_codes[i]) {
 			if (*p == 0x66)
-				*shorted = 1;
+				prf->shorted = 1;
 #ifdef __amd64__
 			if ((*p & 0xf8) == 0x48)
-				*enlarged = 1;
+				prf->enlarged = 1;
 			if ((*p & 0xf4) == 0x44)
-				*rexr = 1;
+				prf->rexr = 1;
+			if ((*p & 0xf0) == 0x40)
+				prf->rex = 1;
 #endif
 			p++;
 			goto restart;
@@ -135,12 +144,12 @@ enum reason_type get_ins_type(unsigned long ins_addr)
 {
 	unsigned int opcode;
 	unsigned char *p;
-	int shorted, enlarged, rexr;
+	struct prefix_bits prf;
 	int i;
 	enum reason_type rv = OTHERS;
 
 	p = (unsigned char *)ins_addr;
-	p += skip_prefix(p, &shorted, &enlarged, &rexr);
+	p += skip_prefix(p, &prf);
 	p += get_opcode(p, &opcode);
 
 	CHECK_OP_TYPE(opcode, reg_rop, REG_READ);
@@ -156,10 +165,11 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr)
 {
 	unsigned int opcode;
 	unsigned char *p;
-	int i, shorted, enlarged, rexr;
+	struct prefix_bits prf;
+	int i;
 
 	p = (unsigned char *)ins_addr;
-	p += skip_prefix(p, &shorted, &enlarged, &rexr);
+	p += skip_prefix(p, &prf);
 	p += get_opcode(p, &opcode);
 
 	for (i = 0; i < ARRAY_SIZE(rw8); i++)
@@ -168,7 +178,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr)
 
 	for (i = 0; i < ARRAY_SIZE(rw32); i++)
 		if (rw32[i] == opcode)
-			return (shorted ? 2 : (enlarged ? 8 : 4));
+			return prf.shorted ? 2 : (prf.enlarged ? 8 : 4);
 
 	printk(KERN_ERR "mmiotrace: Unknown opcode 0x%02x\n", opcode);
 	return 0;
@@ -178,10 +188,11 @@ unsigned int get_ins_mem_width(unsigned long ins_addr)
 {
 	unsigned int opcode;
 	unsigned char *p;
-	int i, shorted, enlarged, rexr;
+	struct prefix_bits prf;
+	int i;
 
 	p = (unsigned char *)ins_addr;
-	p += skip_prefix(p, &shorted, &enlarged, &rexr);
+	p += skip_prefix(p, &prf);
 	p += get_opcode(p, &opcode);
 
 	for (i = 0; i < ARRAY_SIZE(mw8); i++)
@@ -194,11 +205,11 @@ unsigned int get_ins_mem_width(unsigned long ins_addr)
 
 	for (i = 0; i < ARRAY_SIZE(mw32); i++)
 		if (mw32[i] == opcode)
-			return shorted ? 2 : 4;
+			return prf.shorted ? 2 : 4;
 
 	for (i = 0; i < ARRAY_SIZE(mw64); i++)
 		if (mw64[i] == opcode)
-			return shorted ? 2 : (enlarged ? 8 : 4);
+			return prf.shorted ? 2 : (prf.enlarged ? 8 : 4);
 
 	printk(KERN_ERR "mmiotrace: Unknown opcode 0x%02x\n", opcode);
 	return 0;
@@ -238,7 +249,7 @@ enum {
 #endif
 };
 
-static unsigned char *get_reg_w8(int no, struct pt_regs *regs)
+static unsigned char *get_reg_w8(int no, int rex, struct pt_regs *regs)
 {
 	unsigned char *rv = NULL;
 
@@ -255,18 +266,6 @@ static unsigned char *get_reg_w8(int no, struct pt_regs *regs)
 	case arg_DL:
 		rv = (unsigned char *)&regs->dx;
 		break;
-	case arg_AH:
-		rv = 1 + (unsigned char *)&regs->ax;
-		break;
-	case arg_BH:
-		rv = 1 + (unsigned char *)&regs->bx;
-		break;
-	case arg_CH:
-		rv = 1 + (unsigned char *)&regs->cx;
-		break;
-	case arg_DH:
-		rv = 1 + (unsigned char *)&regs->dx;
-		break;
 #ifdef __amd64__
 	case arg_R8:
 		rv = (unsigned char *)&regs->r8;
@@ -294,9 +293,55 @@ static unsigned char *get_reg_w8(int no, struct pt_regs *regs)
 		break;
 #endif
 	default:
-		printk(KERN_ERR "mmiotrace: Error reg no# %d\n", no);
 		break;
 	}
+
+	if (rv)
+		return rv;
+
+	if (rex) {
+		/*
+		 * If REX prefix exists, access low bytes of SI etc.
+		 * instead of AH etc.
+		 */
+		switch (no) {
+		case arg_SI:
+			rv = (unsigned char *)&regs->si;
+			break;
+		case arg_DI:
+			rv = (unsigned char *)&regs->di;
+			break;
+		case arg_BP:
+			rv = (unsigned char *)&regs->bp;
+			break;
+		case arg_SP:
+			rv = (unsigned char *)&regs->sp;
+			break;
+		default:
+			break;
+		}
+	} else {
+		switch (no) {
+		case arg_AH:
+			rv = 1 + (unsigned char *)&regs->ax;
+			break;
+		case arg_BH:
+			rv = 1 + (unsigned char *)&regs->bx;
+			break;
+		case arg_CH:
+			rv = 1 + (unsigned char *)&regs->cx;
+			break;
+		case arg_DH:
+			rv = 1 + (unsigned char *)&regs->dx;
+			break;
+		default:
+			break;
+		}
+	}
+
+	if (!rv)
+		printk(KERN_ERR "mmiotrace: Error reg no# %d\n", no);
+
 	return rv;
 }
 
@@ -368,11 +413,12 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
 	unsigned char mod_rm;
 	int reg;
 	unsigned char *p;
-	int i, shorted, enlarged, rexr;
+	struct prefix_bits prf;
+	int i;
 	unsigned long rv;
 
 	p = (unsigned char *)ins_addr;
-	p += skip_prefix(p, &shorted, &enlarged, &rexr);
+	p += skip_prefix(p, &prf);
 	p += get_opcode(p, &opcode);
 	for (i = 0; i < ARRAY_SIZE(reg_rop); i++)
 		if (reg_rop[i] == opcode) {
@@ -392,10 +438,10 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs)
 
 do_work:
 	mod_rm = *p;
-	reg = ((mod_rm >> 3) & 0x7) | (rexr << 3);
+	reg = ((mod_rm >> 3) & 0x7) | (prf.rexr << 3);
 	switch (get_ins_reg_width(ins_addr)) {
 	case 1:
-		return *get_reg_w8(reg, regs);
+		return *get_reg_w8(reg, prf.rex, regs);
 
 	case 2:
 		return *(unsigned short *)get_reg_w32(reg, regs);
@@ -422,11 +468,12 @@ unsigned long get_ins_imm_val(unsigned long ins_addr)
 	unsigned char mod_rm;
 	unsigned char mod;
 	unsigned char *p;
-	int i, shorted, enlarged, rexr;
+	struct prefix_bits prf;
+	int i;
 	unsigned long rv;
 
 	p = (unsigned char *)ins_addr;
-	p += skip_prefix(p, &shorted, &enlarged, &rexr);
+	p += skip_prefix(p, &prf);
 	p += get_opcode(p, &opcode);
 	for (i = 0; i < ARRAY_SIZE(imm_wop); i++)
 		if (imm_wop[i] == opcode) {
-- 
GitLab


From 9795302acf2817d0842e56d23df6008e43df0970 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Thu, 24 Jul 2008 16:37:23 -0400
Subject: [PATCH 0441/2224] tracepoints: use TABLE_SIZE macro

Steven Rostedt suggested:

| Wouldn't it look nicer to have: (TRACEPOINT_TABLE_SIZE - 1) ?

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/tracepoint.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 42e86ddbd2a..c7c62a4a75f 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -177,7 +177,7 @@ static struct tracepoint_entry *get_tracepoint(const char *name)
 	struct tracepoint_entry *e;
 	u32 hash = jhash(name, strlen(name), 0);
 
-	head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)];
+	head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)];
 	hlist_for_each_entry(e, node, head, hlist) {
 		if (!strcmp(name, e->name))
 			return e;
@@ -197,7 +197,7 @@ static struct tracepoint_entry *add_tracepoint(const char *name)
 	size_t name_len = strlen(name) + 1;
 	u32 hash = jhash(name, name_len-1, 0);
 
-	head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)];
+	head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)];
 	hlist_for_each_entry(e, node, head, hlist) {
 		if (!strcmp(name, e->name)) {
 			printk(KERN_NOTICE
@@ -233,7 +233,7 @@ static int remove_tracepoint(const char *name)
 	size_t len = strlen(name) + 1;
 	u32 hash = jhash(name, len-1, 0);
 
-	head = &tracepoint_table[hash & ((1 << TRACEPOINT_HASH_BITS)-1)];
+	head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)];
 	hlist_for_each_entry(e, node, head, hlist) {
 		if (!strcmp(name, e->name)) {
 			found = 1;
-- 
GitLab


From 36dcd67ae994fece615b7c700958d215e884b9ae Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 29 Jul 2008 12:00:59 +0200
Subject: [PATCH 0442/2224] ftrace: ignore functions that cannot be kprobe-ed

kprobes already has an extensive list of annotations for functions
that should not be instrumented. Add notrace annotations to these
functions as well.

This is particularly useful for functions called by the NMI path.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/kprobes.h | 5 +++--
 kernel/notifier.c       | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 0be7795655f..497b1d1f7a0 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -29,6 +29,7 @@
  *		<jkenisto@us.ibm.com>  and Prasanna S Panchamukhi
  *		<prasanna@in.ibm.com> added function-return probes.
  */
+#include <linux/linkage.h>
 #include <linux/list.h>
 #include <linux/notifier.h>
 #include <linux/smp.h>
@@ -47,7 +48,7 @@
 #define KPROBE_HIT_SSDONE	0x00000008
 
 /* Attach to insert probes on any functions which should be ignored*/
-#define __kprobes	__attribute__((__section__(".kprobes.text")))
+#define __kprobes	__attribute__((__section__(".kprobes.text"))) notrace
 
 struct kprobe;
 struct pt_regs;
@@ -256,7 +257,7 @@ void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
 
 #else /* CONFIG_KPROBES */
 
-#define __kprobes	/**/
+#define __kprobes	notrace
 struct jprobe;
 struct kretprobe;
 
diff --git a/kernel/notifier.c b/kernel/notifier.c
index 823be11584e..4282c0a40a5 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -550,7 +550,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier);
 
 static ATOMIC_NOTIFIER_HEAD(die_chain);
 
-int notify_die(enum die_val val, const char *str,
+int notrace notify_die(enum die_val val, const char *str,
 	       struct pt_regs *regs, long err, int trap, int sig)
 {
 	struct die_args args = {
-- 
GitLab


From 8b1fa1d7b22f386747c7b78b918d4c680c16066f Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 29 Jul 2008 12:36:02 +0200
Subject: [PATCH 0443/2224] ftrace: mark lapic_wd_event() notrace

it can be called in the NMI path:

[    0.645999] calling  ftrace_dynamic_init+0x0/0xd6
[    0.647521] ------------[ cut here ]------------
[    0.647521] WARNING: at kernel/trace/ftrace.c:348 ftrace_record_ip+0x4e/0x252()
[    0.647521] Modules linked in:
[    0.647521] Pid: 15, comm: kstop1 Not tainted 2.6.27-rc1-tip #22686
[    0.647521]
[    0.647521] Call Trace:
[    0.647521]  <NMI>  [<ffffffff8024593f>] warn_on_slowpath+0x5d/0x84
[    0.647521]  [<ffffffff80220b99>] ? lapic_wd_event+0xb/0x5c
[    0.647521]  [<ffffffff80287b3b>] ftrace_record_ip+0x4e/0x252
[    0.647521]  [<ffffffff80211274>] mcount_call+0x5/0x31
[    0.647521]  [<ffffffff80220b9e>] ? lapic_wd_event+0x10/0x5c
[    0.647521]  [<ffffffff8083f3ec>] nmi_watchdog_tick+0x19d/0x1ad
[    0.647521]  [<ffffffff8083e875>] default_do_nmi+0x75/0x1e3
[    0.647521]  [<ffffffff8083f0b3>] do_nmi+0x5d/0x94
[    0.647521]  [<ffffffff8083e2d2>] nmi+0xa2/0xc2
[    0.647521]  [<ffffffff802b48c3>] ? check_bytes_and_report+0x11/0xcc
[    0.647521]  <<EOE>>  [<ffffffff80211274>] ? mcount_call+0x5/0x31
[    0.647521]  [<ffffffff802b49df>] check_object+0x61/0x1b0
[    0.647521]  [<ffffffff802b502a>] __slab_free+0x169/0x2ae
[    0.647521]  [<ffffffff80242dbf>] ? __cleanup_sighand+0x25/0x27
[    0.647521]  [<ffffffff80242dbf>] ? __cleanup_sighand+0x25/0x27
[    0.647521]  [<ffffffff802b60cd>] kmem_cache_free+0x85/0xb9
[    0.647521]  [<ffffffff80242dbf>] __cleanup_sighand+0x25/0x27
[    0.647521]  [<ffffffff80247b3d>] release_task+0x256/0x339
[    0.647521]  [<ffffffff802490b4>] do_exit+0x764/0x7ef
[    0.647521]  [<ffffffff8027624c>] __xchg+0x0/0x38
[    0.647521]  [<ffffffff8027619a>] ? stop_cpu+0x0/0xb2
[    0.647521]  [<ffffffff8027619a>] ? stop_cpu+0x0/0xb2
[    0.647521]  [<ffffffff8025922f>] kthread+0x4e/0x7b
[    0.647521]  [<ffffffff80212979>] child_rip+0xa/0x11
[    0.647521]  [<ffffffff80211c17>] ? restore_args+0x0/0x30
[    0.647521]  [<ffffffff802283a5>] ? native_load_tls+0x14/0x2e
[    0.647521]  [<ffffffff802591e1>] ? kthread+0x0/0x7b
[    0.647521]  [<ffffffff8021296f>] ? child_rip+0x0/0x11
[    0.647521]
[    0.647521] ---[ end trace 4eaa2a86a8e2da22 ]---
[    0.672032] initcall ftrace_dynamic_init+0x0/0xd6 returned 0 after 19 msecs

also mark it no-kprobes while at it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/perfctr-watchdog.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 6bff382094f..9abd48b2267 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -17,6 +17,8 @@
 #include <linux/bitops.h>
 #include <linux/smp.h>
 #include <linux/nmi.h>
+#include <linux/kprobes.h>
+
 #include <asm/apic.h>
 #include <asm/intel_arch_perfmon.h>
 
@@ -336,7 +338,8 @@ static void single_msr_unreserve(void)
 	release_perfctr_nmi(wd_ops->perfctr);
 }
 
-static void single_msr_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
+static void __kprobes
+single_msr_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
 {
 	/* start the cycle over again */
 	write_watchdog_counter(wd->perfctr_msr, NULL, nmi_hz);
@@ -401,7 +404,7 @@ static int setup_p6_watchdog(unsigned nmi_hz)
 	return 1;
 }
 
-static void p6_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
+static void __kprobes p6_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
 {
 	/*
 	 * P6 based Pentium M need to re-unmask
@@ -605,7 +608,7 @@ static void p4_unreserve(void)
 	release_perfctr_nmi(MSR_P4_IQ_PERFCTR0);
 }
 
-static void p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
+static void __kprobes p4_rearm(struct nmi_watchdog_ctlblk *wd, unsigned nmi_hz)
 {
 	unsigned dummy;
 	/*
@@ -784,7 +787,7 @@ unsigned lapic_adjust_nmi_hz(unsigned hz)
 	return hz;
 }
 
-int lapic_wd_event(unsigned nmi_hz)
+int __kprobes lapic_wd_event(unsigned nmi_hz)
 {
 	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 	u64 ctr;
-- 
GitLab


From 8da3821ba5634497da63d58a69e24a97697c4a2b Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 15:45:07 -0400
Subject: [PATCH 0444/2224] ftrace: create __mcount_loc section

This patch creates a section in the kernel called "__mcount_loc".
This will hold a list of pointers to the mcount relocation for
each call site of mcount.

For example:

objdump -dr init/main.o
[...]
Disassembly of section .text:

0000000000000000 <do_one_initcall>:
   0:   55                      push   %rbp
[...]
000000000000017b <init_post>:
 17b:   55                      push   %rbp
 17c:   48 89 e5                mov    %rsp,%rbp
 17f:   53                      push   %rbx
 180:   48 83 ec 08             sub    $0x8,%rsp
 184:   e8 00 00 00 00          callq  189 <init_post+0xe>
                        185: R_X86_64_PC32      mcount+0xfffffffffffffffc
[...]

We will add a section to point to each function call.

   .section __mcount_loc,"a",@progbits
[...]
   .quad .text + 0x185
[...]

The offset to of the mcount call site in init_post is an offset from
the start of the section, and not the start of the function init_post.
The mcount relocation is at the call site 0x185 from the start of the
.text section.

  .text + 0x185  == init_post + 0xa

We need a way to add this __mcount_loc section in a way that we do not
lose the relocations after final link.  The .text section here will
be attached to all other .text sections after final link and the
offsets will be meaningless.  We need to keep track of where these
.text sections are.

To do this, we use the start of the first function in the section.
do_one_initcall.  We can make a tmp.s file with this function as a reference
to the start of the .text section.

   .section __mcount_loc,"a",@progbits
[...]
   .quad do_one_initcall + 0x185
[...]

Then we can compile the tmp.s into a tmp.o

  gcc -c tmp.s -o tmp.o

And link it into back into main.o.

  ld -r main.o tmp.o -o tmp_main.o
  mv tmp_main.o main.o

But we have a problem.  What happens if the first function in a section
is not exported, and is a static function. The linker will not let
the tmp.o use it.  This case exists in main.o as well.

Disassembly of section .init.text:

0000000000000000 <set_reset_devices>:
   0:   55                      push   %rbp
   1:   48 89 e5                mov    %rsp,%rbp
   4:   e8 00 00 00 00          callq  9 <set_reset_devices+0x9>
                        5: R_X86_64_PC32        mcount+0xfffffffffffffffc

The first function in .init.text is a static function.

00000000000000a8 t __setup_set_reset_devices
000000000000105f t __setup_str_set_reset_devices
0000000000000000 t set_reset_devices

The lowercase 't' means that set_reset_devices is local and is not exported.
If we simply try to link the tmp.o with the set_reset_devices we end
up with two symbols: one local and one global.

 .section __mcount_loc,"a",@progbits
 .quad set_reset_devices + 0x10

00000000000000a8 t __setup_set_reset_devices
000000000000105f t __setup_str_set_reset_devices
0000000000000000 t set_reset_devices
                 U set_reset_devices

We still have an undefined reference to set_reset_devices, and if we try
to compile the kernel, we will end up with an undefined reference to
set_reset_devices, or even worst, it could be exported someplace else,
and then we will have a reference to the wrong location.

To handle this case, we make an intermediate step using objcopy.
We convert set_reset_devices into a global exported symbol before linking
it with tmp.o and set it back afterwards.

00000000000000a8 t __setup_set_reset_devices
000000000000105f t __setup_str_set_reset_devices
0000000000000000 T set_reset_devices

00000000000000a8 t __setup_set_reset_devices
000000000000105f t __setup_str_set_reset_devices
0000000000000000 T set_reset_devices

00000000000000a8 t __setup_set_reset_devices
000000000000105f t __setup_str_set_reset_devices
0000000000000000 t set_reset_devices

Now we have a section in main.o called __mcount_loc that we can place
somewhere in the kernel using vmlinux.ld.S and access it to convert
all these locations that call mcount into nops before starting SMP
and thus, eliminating the need to do this with kstop_machine.

Note, A well documented perl script (scripts/recordmcount.pl) is used
to do all this in one location.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-generic/vmlinux.lds.h |   8 +
 kernel/trace/Kconfig              |   8 +
 scripts/Makefile.build            |   6 +
 scripts/recordmcount.pl           | 280 ++++++++++++++++++++++++++++++
 4 files changed, 302 insertions(+)
 create mode 100755 scripts/recordmcount.pl

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 3d8e472a09c..838d9b2a0da 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -37,6 +37,13 @@
 #define MEM_DISCARD(sec) *(.mem##sec)
 #endif
 
+#ifdef CONFIG_FTRACE_MCOUNT_RECORD
+#define MCOUNT_REC()	VMLINUX_SYMBOL(__start_mcount_loc) = .; \
+			*(__mcount_loc)				\
+			VMLINUX_SYMBOL(__stop_mcount_loc) = .;
+#else
+#define MCOUNT_REC()
+#endif
 
 /* .data section */
 #define DATA_DATA							\
@@ -192,6 +199,7 @@
 	/* __*init sections */						\
 	__init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) {		\
 		*(.ref.rodata)						\
+		MCOUNT_REC()						\
 		DEV_KEEP(init.rodata)					\
 		DEV_KEEP(exit.rodata)					\
 		CPU_KEEP(init.rodata)					\
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index cae2637d5e6..14d9505178c 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -7,6 +7,9 @@ config HAVE_FTRACE
 config HAVE_DYNAMIC_FTRACE
 	bool
 
+config HAVE_FTRACE_MCOUNT_RECORD
+	bool
+
 config TRACER_MAX_TRACE
 	bool
 
@@ -122,6 +125,11 @@ config DYNAMIC_FTRACE
 	 were made. If so, it runs stop_machine (stops all CPUS)
 	 and modifies the code to jump over the call to ftrace.
 
+config FTRACE_MCOUNT_RECORD
+	def_bool y
+	depends on DYNAMIC_FTRACE
+	depends on HAVE_FTRACE_MCOUNT_RECORD
+
 config FTRACE_SELFTEST
 	bool
 
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 277cfe0b710..463ddcc583e 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -198,10 +198,16 @@ cmd_modversions =							\
 	fi;
 endif
 
+ifdef CONFIG_FTRACE_MCOUNT_RECORD
+cmd_record_mcount = scripts/recordmcount.pl "$(ARCH)" \
+	"$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)";
+endif
+
 define rule_cc_o_c
 	$(call echo-cmd,checksrc) $(cmd_checksrc)			  \
 	$(call echo-cmd,cc_o_c) $(cmd_cc_o_c);				  \
 	$(cmd_modversions)						  \
+	$(cmd_record_mcount)						  \
 	scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' >    \
 	                                              $(dot-target).tmp;  \
 	rm -f $(depfile);						  \
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
new file mode 100755
index 00000000000..44b4b23e91b
--- /dev/null
+++ b/scripts/recordmcount.pl
@@ -0,0 +1,280 @@
+#!/usr/bin/perl -w
+# (c) 2008, Steven Rostedt <srostedt@redhat.com>
+# Licensed under the terms of the GNU GPL License version 2
+#
+# recordmcount.pl - makes a section called __mcount_loc that holds
+#                   all the offsets to the calls to mcount.
+#
+#
+# What we want to end up with is a section in vmlinux called
+# __mcount_loc that contains a list of pointers to all the
+# call sites in the kernel that call mcount. Later on boot up, the kernel
+# will read this list, save the locations and turn them into nops.
+# When tracing or profiling is later enabled, these locations will then
+# be converted back to pointers to some function.
+#
+# This is no easy feat. This script is called just after the original
+# object is compiled and before it is linked.
+#
+# The references to the call sites are offsets from the section of text
+# that the call site is in. Hence, all functions in a section that
+# has a call site to mcount, will have the offset from the beginning of
+# the section and not the beginning of the function.
+#
+# The trick is to find a way to record the beginning of the section.
+# The way we do this is to look at the first function in the section
+# which will also be the location of that section after final link.
+# e.g.
+#
+#  .section ".text.sched"
+#  .globl my_func
+#  my_func:
+#        [...]
+#        call mcount  (offset: 0x5)
+#        [...]
+#        ret
+#  other_func:
+#        [...]
+#        call mcount (offset: 0x1b)
+#        [...]
+#
+# Both relocation offsets for the mcounts in the above example will be
+# offset from .text.sched. If we make another file called tmp.s with:
+#
+#  .section __mcount_loc
+#  .quad  my_func + 0x5
+#  .quad  my_func + 0x1b
+#
+# We can then compile this tmp.s into tmp.o, and link it to the original
+# object.
+#
+# But this gets hard if my_func is not globl (a static function).
+# In such a case we have:
+#
+#  .section ".text.sched"
+#  my_func:
+#        [...]
+#        call mcount  (offset: 0x5)
+#        [...]
+#        ret
+#  .globl my_func
+#  other_func:
+#        [...]
+#        call mcount (offset: 0x1b)
+#        [...]
+#
+# If we make the tmp.s the same as above, when we link together with
+# the original object, we will end up with two symbols for my_func:
+# one local, one global.  After final compile, we will end up with
+# an undefined reference to my_func.
+#
+# Since local objects can reference local variables, we need to find
+# a way to make tmp.o reference the local objects of the original object
+# file after it is linked together. To do this, we convert the my_func
+# into a global symbol before linking tmp.o. Then after we link tmp.o
+# we will only have a single symbol for my_func that is global.
+# We can convert my_func back into a local symbol and we are done.
+#
+# Here are the steps we take:
+#
+# 1) Record all the local symbols by using 'nm'
+# 2) Use objdump to find all the call site offsets and sections for
+#    mcount.
+# 3) Compile the list into its own object.
+# 4) Do we have to deal with local functions? If not, go to step 8.
+# 5) Make an object that converts these local functions to global symbols
+#    with objcopy.
+# 6) Link together this new object with the list object.
+# 7) Convert the local functions back to local symbols and rename
+#    the result as the original object.
+#    End.
+# 8) Link the object with the list object.
+# 9) Move the result back to the original object.
+#    End.
+#
+
+use strict;
+
+my $P = $0;
+$P =~ s@.*/@@g;
+
+my $V = '0.1';
+
+if ($#ARGV < 6) {
+	print "usage: $P arch objdump objcopy cc ld nm rm mv inputfile\n";
+	print "version: $V\n";
+	exit(1);
+}
+
+my ($arch, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $inputfile) = @ARGV;
+
+$objdump = "objdump" if ((length $objdump) == 0);
+$objcopy = "objcopy" if ((length $objcopy) == 0);
+$cc = "gcc" if ((length $cc) == 0);
+$ld = "ld" if ((length $ld) == 0);
+$nm = "nm" if ((length $nm) == 0);
+$rm = "rm" if ((length $rm) == 0);
+$mv = "mv" if ((length $mv) == 0);
+
+#print STDERR "running: $P '$arch' '$objdump' '$objcopy' '$cc' '$ld' " .
+#    "'$nm' '$rm' '$mv' '$inputfile'\n";
+
+my %locals;
+my %convert;
+
+my $type;
+my $section_regex;	# Find the start of a section
+my $function_regex;	# Find the name of a function (return func name)
+my $mcount_regex;	# Find the call site to mcount (return offset)
+
+if ($arch eq "x86_64") {
+    $section_regex = "Disassembly of section";
+    $function_regex = "<(.*?)>:";
+    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$";
+    $type = ".quad";
+} elsif ($arch eq "i386") {
+    $section_regex = "Disassembly of section";
+    $function_regex = "<(.*?)>:";
+    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$";
+    $type = ".long";
+} else {
+    die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
+}
+
+my $text_found = 0;
+my $read_function = 0;
+my $opened = 0;
+my $text = "";
+my $mcount_section = "__mcount_loc";
+
+my $dirname;
+my $filename;
+my $prefix;
+my $ext;
+
+if ($inputfile =~ m,^(.*)/([^/]*)$,) {
+    $dirname = $1;
+    $filename = $2;
+} else {
+    $dirname = ".";
+    $filename = $inputfile;
+}
+
+if ($filename =~ m,^(.*)(\.\S),) {
+    $prefix = $1;
+    $ext = $2;
+} else {
+    $prefix = $filename;
+    $ext = "";
+}
+
+my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s";
+my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o";
+
+#
+# Step 1: find all the local symbols (static functions).
+#
+open (IN, "$nm $inputfile|") || die "error running $nm";
+while (<IN>) {
+    if (/^[0-9a-fA-F]+\s+t\s+(\S+)/) {
+	$locals{$1} = 1;
+    }
+}
+close(IN);
+
+#
+# Step 2: find the sections and mcount call sites
+#
+open(IN, "$objdump -dr $inputfile|") || die "error running $objdump";
+
+while (<IN>) {
+    # is it a section?
+    if (/$section_regex/) {
+	$read_function = 1;
+	$text_found = 0;
+    # section found, now is this a start of a function?
+    } elsif ($read_function && /$function_regex/) {
+	$read_function = 0;
+	$text_found = 1;
+	$text = $1;
+	# is this function static? If so, note this fact.
+	if (defined $locals{$text}) {
+	    $convert{$text} = 1;
+	}
+    # is this a call site to mcount? If so, print the offset from the section
+    } elsif ($text_found && /$mcount_regex/) {
+	if (!$opened) {
+	    open(FILE, ">$mcount_s") || die "can't create $mcount_s\n";
+	    $opened = 1;
+	    print FILE "\t.section $mcount_section,\"a\",\@progbits\n";
+	}
+	print FILE "\t$type $text + 0x$1\n";
+    }
+}
+
+# If we did not find any mcount callers, we are done (do nothing).
+if (!$opened) {
+    exit(0);
+}
+
+close(FILE);
+
+#
+# Step 3: Compile the file that holds the list of call sites to mcount.
+#
+`$cc -o $mcount_o -c $mcount_s`;
+
+my @converts = keys %convert;
+
+#
+# Step 4: Do we have sections that started with local functions?
+#
+if ($#converts >= 0) {
+    my $globallist = "";
+    my $locallist = "";
+
+    foreach my $con (@converts) {
+	$globallist .= " --globalize-symbol $con";
+	$locallist .= " --localize-symbol $con";
+    }
+
+    my $globalobj = $dirname . "/.tmp_gl_" . $filename;
+    my $globalmix = $dirname . "/.tmp_mx_" . $filename;
+
+    #
+    # Step 5: set up each local function as a global
+    #
+    `$objcopy $globallist $inputfile $globalobj`;
+
+    #
+    # Step 6: Link the global version to our list.
+    #
+    `$ld -r $globalobj $mcount_o -o $globalmix`;
+
+    #
+    # Step 7: Convert the local functions back into local symbols
+    #
+    `$objcopy $locallist $globalmix $inputfile`;
+
+    # Remove the temp files
+    `$rm $globalobj $globalmix`;
+
+} else {
+
+    my $mix = $dirname . "/.tmp_mx_" . $filename;
+
+    #
+    # Step 8: Link the object with our list of call sites object.
+    #
+    `$ld -r $inputfile $mcount_o -o $mix`;
+
+    #
+    # Step 9: Move the result back to the original object.
+    #
+    `$mv $mix $inputfile`;
+}
+
+# Clean up the temp files
+`$rm $mcount_o $mcount_s`;
+
+exit(0);
-- 
GitLab


From 68bf21aa15c85d2e9b623dcda2b1ed8893275fa1 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 15:45:08 -0400
Subject: [PATCH 0445/2224] ftrace: mcount call site on boot nops core

This is the infrastructure to the converting the mcount call sites
recorded by the __mcount_loc section into nops on boot. It also allows
for using these sites to enable tracing as normal. When the __mcount_loc
section is used, the "ftraced" kernel thread is disabled.

This uses the current infrastructure to record the mcount call sites
as well as convert them to nops. The mcount function is kept as a stub
on boot up and not converted to the ftrace_record_ip function. We use the
ftrace_record_ip to only record from the table.

This patch does not handle modules. That comes with a later patch.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-x86/ftrace.h |  10 +++
 include/linux/ftrace.h   |   6 ++
 init/main.c              |   3 +
 kernel/trace/ftrace.c    | 148 +++++++++++++++++++++++++++------------
 4 files changed, 124 insertions(+), 43 deletions(-)

diff --git a/include/asm-x86/ftrace.h b/include/asm-x86/ftrace.h
index be0e004ad14..1bb6f9bbe1a 100644
--- a/include/asm-x86/ftrace.h
+++ b/include/asm-x86/ftrace.h
@@ -7,6 +7,16 @@
 
 #ifndef __ASSEMBLY__
 extern void mcount(void);
+
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+	/*
+	 * call mcount is "e8 <4 byte offset>"
+	 * The addr points to the 4 byte offset and the caller of this
+	 * function wants the pointer to e8. Simply subtract one.
+	 */
+	return addr - 1;
+}
 #endif
 
 #endif /* CONFIG_FTRACE */
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index bb384068272..d4d6ab453b7 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -162,4 +162,10 @@ static inline void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 #endif
 
+#ifdef CONFIG_FTRACE_MCOUNT_RECORD
+extern void ftrace_init(void);
+#else
+static inline void ftrace_init(void) { }
+#endif
+
 #endif /* _LINUX_FTRACE_H */
diff --git a/init/main.c b/init/main.c
index 3820323c4c8..ded1fae965a 100644
--- a/init/main.c
+++ b/init/main.c
@@ -60,6 +60,7 @@
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/idr.h>
+#include <linux/ftrace.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -687,6 +688,8 @@ asmlinkage void __init start_kernel(void)
 
 	acpi_early_init(); /* before LAPIC and SMP init */
 
+	ftrace_init();
+
 	/* Do the rest non-__init'ed, we're now alive */
 	rest_init();
 }
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index f6e3af31b40..df96d5990c0 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -792,47 +792,7 @@ static int ftrace_update_code(void)
 	return 1;
 }
 
-static int ftraced(void *ignore)
-{
-	unsigned long usecs;
-
-	while (!kthread_should_stop()) {
-
-		set_current_state(TASK_INTERRUPTIBLE);
-
-		/* check once a second */
-		schedule_timeout(HZ);
-
-		if (unlikely(ftrace_disabled))
-			continue;
-
-		mutex_lock(&ftrace_sysctl_lock);
-		mutex_lock(&ftraced_lock);
-		if (!ftraced_suspend && !ftraced_stop &&
-		    ftrace_update_code()) {
-			usecs = nsecs_to_usecs(ftrace_update_time);
-			if (ftrace_update_tot_cnt > 100000) {
-				ftrace_update_tot_cnt = 0;
-				pr_info("hm, dftrace overflow: %lu change%s"
-					" (%lu total) in %lu usec%s\n",
-					ftrace_update_cnt,
-					ftrace_update_cnt != 1 ? "s" : "",
-					ftrace_update_tot_cnt,
-					usecs, usecs != 1 ? "s" : "");
-				ftrace_disabled = 1;
-				WARN_ON_ONCE(1);
-			}
-		}
-		mutex_unlock(&ftraced_lock);
-		mutex_unlock(&ftrace_sysctl_lock);
-
-		ftrace_shutdown_replenish();
-	}
-	__set_current_state(TASK_RUNNING);
-	return 0;
-}
-
-static int __init ftrace_dyn_table_alloc(void)
+static int __init ftrace_dyn_table_alloc(unsigned long num_to_init)
 {
 	struct ftrace_page *pg;
 	int cnt;
@@ -859,7 +819,9 @@ static int __init ftrace_dyn_table_alloc(void)
 
 	pg = ftrace_pages = ftrace_pages_start;
 
-	cnt = NR_TO_INIT / ENTRIES_PER_PAGE;
+	cnt = num_to_init / ENTRIES_PER_PAGE;
+	pr_info("ftrace: allocating %ld hash entries in %d pages\n",
+		num_to_init, cnt);
 
 	for (i = 0; i < cnt; i++) {
 		pg->next = (void *)get_zeroed_page(GFP_KERNEL);
@@ -1556,6 +1518,104 @@ static __init int ftrace_init_debugfs(void)
 
 fs_initcall(ftrace_init_debugfs);
 
+#ifdef CONFIG_FTRACE_MCOUNT_RECORD
+static int ftrace_convert_nops(unsigned long *start,
+			       unsigned long *end)
+{
+	unsigned long *p;
+	unsigned long addr;
+	unsigned long flags;
+
+	p = start;
+	while (p < end) {
+		addr = ftrace_call_adjust(*p++);
+		ftrace_record_ip(addr);
+		ftrace_shutdown_replenish();
+	}
+
+	/* p is ignored */
+	local_irq_save(flags);
+	__ftrace_update_code(p);
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+extern unsigned long __start_mcount_loc[];
+extern unsigned long __stop_mcount_loc[];
+
+void __init ftrace_init(void)
+{
+	unsigned long count, addr, flags;
+	int ret;
+
+	/* Keep the ftrace pointer to the stub */
+	addr = (unsigned long)ftrace_stub;
+
+	local_irq_save(flags);
+	ftrace_dyn_arch_init(&addr);
+	local_irq_restore(flags);
+
+	/* ftrace_dyn_arch_init places the return code in addr */
+	if (addr)
+		goto failed;
+
+	count = __stop_mcount_loc - __start_mcount_loc;
+
+	ret = ftrace_dyn_table_alloc(count);
+	if (ret)
+		goto failed;
+
+	last_ftrace_enabled = ftrace_enabled = 1;
+
+	ret = ftrace_convert_nops(__start_mcount_loc,
+				  __stop_mcount_loc);
+
+	return;
+ failed:
+	ftrace_disabled = 1;
+}
+#else /* CONFIG_FTRACE_MCOUNT_RECORD */
+static int ftraced(void *ignore)
+{
+	unsigned long usecs;
+
+	while (!kthread_should_stop()) {
+
+		set_current_state(TASK_INTERRUPTIBLE);
+
+		/* check once a second */
+		schedule_timeout(HZ);
+
+		if (unlikely(ftrace_disabled))
+			continue;
+
+		mutex_lock(&ftrace_sysctl_lock);
+		mutex_lock(&ftraced_lock);
+		if (!ftraced_suspend && !ftraced_stop &&
+		    ftrace_update_code()) {
+			usecs = nsecs_to_usecs(ftrace_update_time);
+			if (ftrace_update_tot_cnt > 100000) {
+				ftrace_update_tot_cnt = 0;
+				pr_info("hm, dftrace overflow: %lu change%s"
+					" (%lu total) in %lu usec%s\n",
+					ftrace_update_cnt,
+					ftrace_update_cnt != 1 ? "s" : "",
+					ftrace_update_tot_cnt,
+					usecs, usecs != 1 ? "s" : "");
+				ftrace_disabled = 1;
+				WARN_ON_ONCE(1);
+			}
+		}
+		mutex_unlock(&ftraced_lock);
+		mutex_unlock(&ftrace_sysctl_lock);
+
+		ftrace_shutdown_replenish();
+	}
+	__set_current_state(TASK_RUNNING);
+	return 0;
+}
+
 static int __init ftrace_dynamic_init(void)
 {
 	struct task_struct *p;
@@ -1572,7 +1632,7 @@ static int __init ftrace_dynamic_init(void)
 		goto failed;
 	}
 
-	ret = ftrace_dyn_table_alloc();
+	ret = ftrace_dyn_table_alloc(NR_TO_INIT);
 	if (ret)
 		goto failed;
 
@@ -1593,6 +1653,8 @@ static int __init ftrace_dynamic_init(void)
 }
 
 core_initcall(ftrace_dynamic_init);
+#endif /* CONFIG_FTRACE_MCOUNT_RECORD */
+
 #else
 # define ftrace_startup()		do { } while (0)
 # define ftrace_shutdown()		do { } while (0)
-- 
GitLab


From 90d595fe5ca4b685465c068907e6e554760abea8 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 15:45:09 -0400
Subject: [PATCH 0446/2224] ftrace: enable mcount recording for modules

This patch enables the loading of the __mcount_section of modules and
changing all the callers of mcount into nops.

The modification is done before the init_module function is called, so
again, we do not need to use kstop_machine to make these changes.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h |  3 +++
 kernel/module.c        | 11 +++++++++++
 kernel/trace/ftrace.c  |  5 +++++
 3 files changed, 19 insertions(+)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index d4d6ab453b7..4936489f9ed 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -164,8 +164,11 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
 extern void ftrace_init(void);
+extern void ftrace_init_module(unsigned long *start, unsigned long *end);
 #else
 static inline void ftrace_init(void) { }
+static inline void
+ftrace_init_module(unsigned long *start, unsigned long *end) { }
 #endif
 
 #endif /* _LINUX_FTRACE_H */
diff --git a/kernel/module.c b/kernel/module.c
index 661d73db786..d753fd9d83e 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -47,6 +47,7 @@
 #include <linux/license.h>
 #include <asm/sections.h>
 #include <linux/tracepoint.h>
+#include <linux/ftrace.h>
 
 #if 0
 #define DEBUGP printk
@@ -1834,6 +1835,7 @@ static noinline struct module *load_module(void __user *umod,
 	unsigned int markersstringsindex;
 	unsigned int tracepointsindex;
 	unsigned int tracepointsstringsindex;
+	unsigned int mcountindex;
 	struct module *mod;
 	long err = 0;
 	void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */
@@ -2124,6 +2126,9 @@ static noinline struct module *load_module(void __user *umod,
 	tracepointsstringsindex = find_sec(hdr, sechdrs, secstrings,
 					"__tracepoints_strings");
 
+	mcountindex = find_sec(hdr, sechdrs, secstrings,
+			       "__mcount_loc");
+
 	/* Now do relocations. */
 	for (i = 1; i < hdr->e_shnum; i++) {
 		const char *strtab = (char *)sechdrs[strindex].sh_addr;
@@ -2184,6 +2189,12 @@ static noinline struct module *load_module(void __user *umod,
 			mod->tracepoints + mod->num_tracepoints);
 #endif
 	}
+
+	if (mcountindex) {
+		void *mseg = (void *)sechdrs[mcountindex].sh_addr;
+		ftrace_init_module(mseg, mseg + sechdrs[mcountindex].sh_size);
+	}
+
 	err = module_finalize(hdr, sechdrs, mod);
 	if (err < 0)
 		goto cleanup;
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index df96d5990c0..ea45bb1c0fd 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1541,6 +1541,11 @@ static int ftrace_convert_nops(unsigned long *start,
 	return 0;
 }
 
+void ftrace_init_module(unsigned long *start, unsigned long *end)
+{
+	ftrace_convert_nops(start, end);
+}
+
 extern unsigned long __start_mcount_loc[];
 extern unsigned long __stop_mcount_loc[];
 
-- 
GitLab


From 29e71abf56cebc5c5a4e184a6eb4360cc58554ad Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 15:45:10 -0400
Subject: [PATCH 0447/2224] ftrace: rebuild everything on change to
 FTRACE_MCOUNT_RECORD

When enabling or disabling CONFIG_FTRACE_MCOUNT_RECORD, we want a full
kernel compile to handle the adding of the __mcount_loc sections.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/kernel.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 75d81f157d2..ecce4a4ccd5 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -486,4 +486,9 @@ struct sysinfo {
 #define NUMA_BUILD 0
 #endif
 
+/* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
+#ifdef CONFIG_FTRACE_MCOUNT_RECORD
+# define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
+#endif
+
 #endif
-- 
GitLab


From e4b2b8866121bd06d5f3d9de0f79a04339ffa252 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 15:45:11 -0400
Subject: [PATCH 0448/2224] ftrace: enable using mcount recording on x86

Enable the use of the __mcount_loc infrastructure on x86_64 and i386.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fc8351f374f..5a34c5427a0 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -25,6 +25,7 @@ config X86
 	select HAVE_KPROBES
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select HAVE_KRETPROBES
+	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FTRACE
 	select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
-- 
GitLab


From 0a37605c2261a06d8cafc62dee11374ad676c8c4 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 15:45:12 -0400
Subject: [PATCH 0449/2224] ftrace: x86 mcount stub

x86 now sets up the mcount locations through the build and no longer
needs to record the ip when the function is executed. This patch changes
the initial mcount to simply return. There's no need to do any other work.
If the ftrace start up test fails, the original mcount will be what everything
will use, so having this as fast as possible is a good thing.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/entry_32.S | 14 --------------
 arch/x86/kernel/entry_64.S | 26 --------------------------
 arch/x86/kernel/ftrace.c   | 14 ++------------
 3 files changed, 2 insertions(+), 52 deletions(-)

diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index b21fbfaffe3..4e4269c73bb 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1153,20 +1153,6 @@ ENDPROC(xen_failsafe_callback)
 #ifdef CONFIG_DYNAMIC_FTRACE
 
 ENTRY(mcount)
-	pushl %eax
-	pushl %ecx
-	pushl %edx
-	movl 0xc(%esp), %eax
-	subl $MCOUNT_INSN_SIZE, %eax
-
-.globl mcount_call
-mcount_call:
-	call ftrace_stub
-
-	popl %edx
-	popl %ecx
-	popl %eax
-
 	ret
 END(mcount)
 
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 1db6ce4314e..09e7145484c 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -64,32 +64,6 @@
 #ifdef CONFIG_FTRACE
 #ifdef CONFIG_DYNAMIC_FTRACE
 ENTRY(mcount)
-
-	subq $0x38, %rsp
-	movq %rax, (%rsp)
-	movq %rcx, 8(%rsp)
-	movq %rdx, 16(%rsp)
-	movq %rsi, 24(%rsp)
-	movq %rdi, 32(%rsp)
-	movq %r8, 40(%rsp)
-	movq %r9, 48(%rsp)
-
-	movq 0x38(%rsp), %rdi
-	subq $MCOUNT_INSN_SIZE, %rdi
-
-.globl mcount_call
-mcount_call:
-	call ftrace_stub
-
-	movq 48(%rsp), %r9
-	movq 40(%rsp), %r8
-	movq 32(%rsp), %rdi
-	movq 24(%rsp), %rsi
-	movq 16(%rsp), %rdx
-	movq 8(%rsp), %rcx
-	movq (%rsp), %rax
-	addq $0x38, %rsp
-
 	retq
 END(mcount)
 
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index ab115cd15fd..96aadbfedcc 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -112,18 +112,8 @@ notrace int ftrace_update_ftrace_func(ftrace_func_t func)
 
 notrace int ftrace_mcount_set(unsigned long *data)
 {
-	unsigned long ip = (long)(&mcount_call);
-	unsigned long *addr = data;
-	unsigned char old[MCOUNT_INSN_SIZE], *new;
-
-	/*
-	 * Replace the mcount stub with a pointer to the
-	 * ip recorder function.
-	 */
-	memcpy(old, &mcount_call, MCOUNT_INSN_SIZE);
-	new = ftrace_call_replace(ip, *addr);
-	*addr = ftrace_modify_code(ip, old, new);
-
+	/* mcount is initialized as a nop */
+	*data = 0;
 	return 0;
 }
 
-- 
GitLab


From 732f3ca7d4ba3c1be8d051d52302ef441ee7748b Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 18:05:05 -0400
Subject: [PATCH 0450/2224] ftrace: use only 5 byte nops for x86

Mathieu Desnoyers revealed a bug in the original code. The nop that is
used to relpace the mcount caller can be a two part nop. This runs the
risk where a process can be preempted after executing the first nop, but
before the second part of the nop.

The ftrace code calls kstop_machine to keep multiple CPUs from executing
code that is being modified, but it does not protect against a task preempting
in the middle of a two part nop.

If the above preemption happens and the tracer is enabled, after the
kstop_machine runs, all those nops will be calls to the trace function.
If the preempted process that was preempted between the two nops is executed
again, it will execute half of the call to the trace function, and this
might crash the system.

This patch instead uses what both the latest Intel and AMD spec suggests.
That is the P6_NOP5 sequence of "0x0f 0x1f 0x44 0x00 0x00".

Note, some older CPUs and QEMU might fault on this nop, so this nop
is executed with fault handling first. If it detects a fault, it will then
use the code "0x66 0x66 0x66 0x66 0x90". If that faults, it will then
default to a simple "jmp 1f; .byte 0x00 0x00 0x00; 1:". The jmp is
not optimal but will do if the first two can not be executed.

TODO: Examine the cpuid to determine the nop to use.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/ftrace.c | 68 +++++++++++++++++++++++++++++++++++-----
 1 file changed, 61 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 96aadbfedcc..4151c91254e 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -16,8 +16,8 @@
 #include <linux/init.h>
 #include <linux/list.h>
 
-#include <asm/alternative.h>
 #include <asm/ftrace.h>
+#include <asm/nops.h>
 
 
 /* Long is fine, even if it is only 4 bytes ;-) */
@@ -119,13 +119,67 @@ notrace int ftrace_mcount_set(unsigned long *data)
 
 int __init ftrace_dyn_arch_init(void *data)
 {
-	const unsigned char *const *noptable = find_nop_table();
-
-	/* This is running in kstop_machine */
-
-	ftrace_mcount_set(data);
+	extern const unsigned char ftrace_test_p6nop[];
+	extern const unsigned char ftrace_test_nop5[];
+	extern const unsigned char ftrace_test_jmp[];
+	int faulted = 0;
 
-	ftrace_nop = (unsigned long *)noptable[MCOUNT_INSN_SIZE];
+	/*
+	 * There is no good nop for all x86 archs.
+	 * We will default to using the P6_NOP5, but first we
+	 * will test to make sure that the nop will actually
+	 * work on this CPU. If it faults, we will then
+	 * go to a lesser efficient 5 byte nop. If that fails
+	 * we then just use a jmp as our nop. This isn't the most
+	 * efficient nop, but we can not use a multi part nop
+	 * since we would then risk being preempted in the middle
+	 * of that nop, and if we enabled tracing then, it might
+	 * cause a system crash.
+	 *
+	 * TODO: check the cpuid to determine the best nop.
+	 */
+	asm volatile (
+		"jmp ftrace_test_jmp\n"
+		/* This code needs to stay around */
+		".section .text, \"ax\"\n"
+		"ftrace_test_jmp:"
+		"jmp ftrace_test_p6nop\n"
+		".byte 0x00,0x00,0x00\n"  /* 2 byte jmp + 3 bytes */
+		"ftrace_test_p6nop:"
+		P6_NOP5
+		"jmp 1f\n"
+		"ftrace_test_nop5:"
+		".byte 0x66,0x66,0x66,0x66,0x90\n"
+		"jmp 1f\n"
+		".previous\n"
+		"1:"
+		".section .fixup, \"ax\"\n"
+		"2:	movl $1, %0\n"
+		"	jmp ftrace_test_nop5\n"
+		"3:	movl $2, %0\n"
+		"	jmp 1b\n"
+		".previous\n"
+		_ASM_EXTABLE(ftrace_test_p6nop, 2b)
+		_ASM_EXTABLE(ftrace_test_nop5, 3b)
+		: "=r"(faulted) : "0" (faulted));
+
+	switch (faulted) {
+	case 0:
+		pr_info("ftrace: converting mcount calls to 0f 1f 44 00 00\n");
+		ftrace_nop = (unsigned long *)ftrace_test_p6nop;
+		break;
+	case 1:
+		pr_info("ftrace: converting mcount calls to 66 66 66 66 90\n");
+		ftrace_nop = (unsigned long *)ftrace_test_nop5;
+		break;
+	case 2:
+		pr_info("ftrace: converting mcount calls to jmp 1f\n");
+		ftrace_nop = (unsigned long *)ftrace_test_jmp;
+		break;
+	}
+
+	/* The return code is retured via data */
+	*(unsigned long *)data = 0;
 
 	return 0;
 }
-- 
GitLab


From a9fdda33cd7c7519b082e37538fe790f9ff684bb Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 22:47:17 -0400
Subject: [PATCH 0451/2224] ftrace: do not show freed records in
 available_filter_functions

Seems that freed records can appear in the available_filter_functions list.
This patch fixes that.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index ea45bb1c0fd..8affb6d00ec 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -872,15 +872,13 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
 		}
 	} else {
 		rec = &iter->pg->records[iter->idx++];
-		if ((!(iter->flags & FTRACE_ITER_FAILURES) &&
+		if ((rec->flags & FTRACE_FL_FREE) ||
+
+		    (!(iter->flags & FTRACE_ITER_FAILURES) &&
 		     (rec->flags & FTRACE_FL_FAILED)) ||
 
 		    ((iter->flags & FTRACE_ITER_FAILURES) &&
-		     (!(rec->flags & FTRACE_FL_FAILED) ||
-		      (rec->flags & FTRACE_FL_FREE))) ||
-
-		    ((iter->flags & FTRACE_ITER_FILTER) &&
-		     !(rec->flags & FTRACE_FL_FILTER)) ||
+		     !(rec->flags & FTRACE_FL_FAILED)) ||
 
 		    ((iter->flags & FTRACE_ITER_NOTRACE) &&
 		     !(rec->flags & FTRACE_FL_NOTRACE))) {
-- 
GitLab


From 28614889bcb2558a47d02d52394b7fd9795a9547 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 22:47:18 -0400
Subject: [PATCH 0452/2224] ftrace: move notrace to compiler.h

The notrace define belongs in compiler.h so that it can be used in
init.h

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/compiler.h | 2 ++
 include/linux/linkage.h  | 2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 8322141ee48..98115d9d04d 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -44,6 +44,8 @@ extern void __chk_io_ptr(const volatile void __iomem *);
 # error Sorry, your compiler is too old/not recognized.
 #endif
 
+#define notrace __attribute__((no_instrument_function))
+
 /* Intel compiler defines __GNUC__. So we will overwrite implementations
  * coming from above header files here
  */
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 56ba3739465..9fd1f859021 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -4,8 +4,6 @@
 #include <linux/compiler.h>
 #include <asm/linkage.h>
 
-#define notrace __attribute__((no_instrument_function))
-
 #ifdef __cplusplus
 #define CPP_ASMLINKAGE extern "C"
 #else
-- 
GitLab


From fed1939c64d2288938fdc1c367d49082da65e195 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 14 Aug 2008 22:47:19 -0400
Subject: [PATCH 0453/2224] ftrace: remove old pointers to mcount

When a mcount pointer is recorded into a table, it is used to add or
remove calls to mcount (replacing them with nops). If the code is removed
via removing a module, the pointers still exist.  At modifying the code
a check is always made to make sure the code being replaced is the code
expected. In-other-words, the code being replaced is compared to what
it is expected to be before being replaced.

There is a very small chance that the code being replaced just happens
to look like code that calls mcount (very small since the call to mcount
is relative). To remove this chance, this patch adds ftrace_release to
allow module unloading to remove the pointers to mcount within the module.

Another change for init calls is made to not trace calls marked with
__init. The tracing can not be started until after init is done anyway.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h |  2 ++
 include/linux/init.h   |  2 +-
 kernel/module.c        | 12 ++++++++----
 kernel/trace/ftrace.c  | 32 ++++++++++++++++++++++++++++++--
 4 files changed, 41 insertions(+), 7 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 4936489f9ed..6b232a2460c 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -165,10 +165,12 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
 extern void ftrace_init(void);
 extern void ftrace_init_module(unsigned long *start, unsigned long *end);
+extern void ftrace_release(void *start, unsigned long size);
 #else
 static inline void ftrace_init(void) { }
 static inline void
 ftrace_init_module(unsigned long *start, unsigned long *end) { }
+static inline void ftrace_release(void *start, unsigned long size) { }
 #endif
 
 #endif /* _LINUX_FTRACE_H */
diff --git a/include/linux/init.h b/include/linux/init.h
index 93538b696e3..27f61f6b3cb 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -40,7 +40,7 @@
 
 /* These are for everybody (although not all archs will actually
    discard it in modules) */
-#define __init		__section(.init.text) __cold
+#define __init		__section(.init.text) __cold notrace
 #define __initdata	__section(.init.data)
 #define __initconst	__section(.init.rodata)
 #define __exitdata	__section(.exit.data)
diff --git a/kernel/module.c b/kernel/module.c
index d753fd9d83e..7576c2d9462 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1431,6 +1431,9 @@ static void free_module(struct module *mod)
 	/* Module unload stuff */
 	module_unload_free(mod);
 
+	/* release any pointers to mcount in this module */
+	ftrace_release(mod->module_core, mod->core_size);
+
 	/* This may be NULL, but that's OK */
 	module_free(mod, mod->module_init);
 	kfree(mod->args);
@@ -1839,6 +1842,7 @@ static noinline struct module *load_module(void __user *umod,
 	struct module *mod;
 	long err = 0;
 	void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */
+	void *mseg;
 	struct exception_table_entry *extable;
 	mm_segment_t old_fs;
 
@@ -2190,10 +2194,9 @@ static noinline struct module *load_module(void __user *umod,
 #endif
 	}
 
-	if (mcountindex) {
-		void *mseg = (void *)sechdrs[mcountindex].sh_addr;
-		ftrace_init_module(mseg, mseg + sechdrs[mcountindex].sh_size);
-	}
+	/* sechdrs[0].sh_size is always zero */
+	mseg = (void *)sechdrs[mcountindex].sh_addr;
+	ftrace_init_module(mseg, mseg + sechdrs[mcountindex].sh_size);
 
 	err = module_finalize(hdr, sechdrs, mod);
 	if (err < 0)
@@ -2264,6 +2267,7 @@ static noinline struct module *load_module(void __user *umod,
  cleanup:
 	kobject_del(&mod->mkobj.kobj);
 	kobject_put(&mod->mkobj.kobj);
+	ftrace_release(mod->module_core, mod->core_size);
  free_unload:
 	module_unload_free(mod);
 	module_free(mod, mod->module_init);
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 8affb6d00ec..eadd0eaea9b 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -294,13 +294,37 @@ static inline void ftrace_del_hash(struct dyn_ftrace *node)
 
 static void ftrace_free_rec(struct dyn_ftrace *rec)
 {
-	/* no locking, only called from kstop_machine */
-
 	rec->ip = (unsigned long)ftrace_free_records;
 	ftrace_free_records = rec;
 	rec->flags |= FTRACE_FL_FREE;
 }
 
+void ftrace_release(void *start, unsigned long size)
+{
+	struct dyn_ftrace *rec;
+	struct ftrace_page *pg;
+	unsigned long s = (unsigned long)start;
+	unsigned long e = s + size;
+	int i;
+
+	if (!start)
+		return;
+
+	/* No interrupt should call this */
+	spin_lock(&ftrace_lock);
+
+	for (pg = ftrace_pages_start; pg; pg = pg->next) {
+		for (i = 0; i < pg->index; i++) {
+			rec = &pg->records[i];
+
+			if ((rec->ip >= s) && (rec->ip < e))
+				ftrace_free_rec(rec);
+		}
+	}
+	spin_unlock(&ftrace_lock);
+
+}
+
 static struct dyn_ftrace *ftrace_alloc_dyn_node(unsigned long ip)
 {
 	struct dyn_ftrace *rec;
@@ -1527,7 +1551,9 @@ static int ftrace_convert_nops(unsigned long *start,
 	p = start;
 	while (p < end) {
 		addr = ftrace_call_adjust(*p++);
+		spin_lock(&ftrace_lock);
 		ftrace_record_ip(addr);
+		spin_unlock(&ftrace_lock);
 		ftrace_shutdown_replenish();
 	}
 
@@ -1541,6 +1567,8 @@ static int ftrace_convert_nops(unsigned long *start,
 
 void ftrace_init_module(unsigned long *start, unsigned long *end)
 {
+	if (start == end)
+		return;
 	ftrace_convert_nops(start, end);
 }
 
-- 
GitLab


From 2e2ca155cd2213b4f398031180fb3d399d5b7db9 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 1 Aug 2008 12:26:40 -0400
Subject: [PATCH 0454/2224] ftrace: new continue entry - separate out from
 trace_entry

Some tracers will need to work with more than one entry. In order to do this
the trace_entry structure was split into two fields. One for the start of
all entries, and one to continue an existing entry.

The trace_entry structure now has a "field" entry that consists of the previous
content of the trace_entry, and a "cont" entry that is just a string buffer
the size of the "field" entry.

Thanks to Andrew Morton for suggesting this idea.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c           | 267 +++++++++++++++++----------------
 kernel/trace/trace.h           |  17 ++-
 kernel/trace/trace_mmiotrace.c |  12 +-
 3 files changed, 160 insertions(+), 136 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8f3fb3db61c..76dfe6d2466 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -817,10 +817,11 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
 
 	pc = preempt_count();
 
-	entry->preempt_count	= pc & 0xff;
-	entry->pid		= (tsk) ? tsk->pid : 0;
-	entry->t		= ftrace_now(raw_smp_processor_id());
-	entry->flags = (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
+	entry->field.preempt_count	= pc & 0xff;
+	entry->field.pid		= (tsk) ? tsk->pid : 0;
+	entry->field.t			= ftrace_now(raw_smp_processor_id());
+	entry->field.flags =
+		(irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
 		((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) |
 		((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) |
 		(need_resched() ? TRACE_FLAG_NEED_RESCHED : 0);
@@ -835,11 +836,11 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 
 	raw_local_irq_save(irq_flags);
 	__raw_spin_lock(&data->lock);
-	entry			= tracing_get_trace_entry(tr, data);
+	entry				= tracing_get_trace_entry(tr, data);
 	tracing_generic_entry_update(entry, flags);
-	entry->type		= TRACE_FN;
-	entry->fn.ip		= ip;
-	entry->fn.parent_ip	= parent_ip;
+	entry->type			= TRACE_FN;
+	entry->field.fn.ip		= ip;
+	entry->field.fn.parent_ip	= parent_ip;
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
 }
@@ -862,10 +863,10 @@ void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data,
 	raw_local_irq_save(irq_flags);
 	__raw_spin_lock(&data->lock);
 
-	entry			= tracing_get_trace_entry(tr, data);
+	entry				= tracing_get_trace_entry(tr, data);
 	tracing_generic_entry_update(entry, 0);
-	entry->type		= TRACE_MMIO_RW;
-	entry->mmiorw		= *rw;
+	entry->type			= TRACE_MMIO_RW;
+	entry->field.mmiorw		= *rw;
 
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
@@ -882,10 +883,10 @@ void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data,
 	raw_local_irq_save(irq_flags);
 	__raw_spin_lock(&data->lock);
 
-	entry			= tracing_get_trace_entry(tr, data);
+	entry				= tracing_get_trace_entry(tr, data);
 	tracing_generic_entry_update(entry, 0);
-	entry->type		= TRACE_MMIO_MAP;
-	entry->mmiomap		= *map;
+	entry->type			= TRACE_MMIO_MAP;
+	entry->field.mmiomap		= *map;
 
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
@@ -909,12 +910,12 @@ void __trace_stack(struct trace_array *tr,
 	tracing_generic_entry_update(entry, flags);
 	entry->type		= TRACE_STACK;
 
-	memset(&entry->stack, 0, sizeof(entry->stack));
+	memset(&entry->field.stack, 0, sizeof(entry->field.stack));
 
 	trace.nr_entries	= 0;
 	trace.max_entries	= FTRACE_STACK_ENTRIES;
 	trace.skip		= skip;
-	trace.entries		= entry->stack.caller;
+	trace.entries		= entry->field.stack.caller;
 
 	save_stack_trace(&trace);
 }
@@ -930,12 +931,12 @@ __trace_special(void *__tr, void *__data,
 
 	raw_local_irq_save(irq_flags);
 	__raw_spin_lock(&data->lock);
-	entry			= tracing_get_trace_entry(tr, data);
+	entry				= tracing_get_trace_entry(tr, data);
 	tracing_generic_entry_update(entry, 0);
-	entry->type		= TRACE_SPECIAL;
-	entry->special.arg1	= arg1;
-	entry->special.arg2	= arg2;
-	entry->special.arg3	= arg3;
+	entry->type			= TRACE_SPECIAL;
+	entry->field.special.arg1	= arg1;
+	entry->field.special.arg2	= arg2;
+	entry->field.special.arg3	= arg3;
 	__trace_stack(tr, data, irq_flags, 4);
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
@@ -955,15 +956,15 @@ tracing_sched_switch_trace(struct trace_array *tr,
 
 	raw_local_irq_save(irq_flags);
 	__raw_spin_lock(&data->lock);
-	entry			= tracing_get_trace_entry(tr, data);
+	entry				= tracing_get_trace_entry(tr, data);
 	tracing_generic_entry_update(entry, flags);
-	entry->type		= TRACE_CTX;
-	entry->ctx.prev_pid	= prev->pid;
-	entry->ctx.prev_prio	= prev->prio;
-	entry->ctx.prev_state	= prev->state;
-	entry->ctx.next_pid	= next->pid;
-	entry->ctx.next_prio	= next->prio;
-	entry->ctx.next_state	= next->state;
+	entry->type			= TRACE_CTX;
+	entry->field.ctx.prev_pid	= prev->pid;
+	entry->field.ctx.prev_prio	= prev->prio;
+	entry->field.ctx.prev_state	= prev->state;
+	entry->field.ctx.next_pid	= next->pid;
+	entry->field.ctx.next_prio	= next->prio;
+	entry->field.ctx.next_state	= next->state;
 	__trace_stack(tr, data, flags, 5);
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
@@ -984,12 +985,12 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 	entry			= tracing_get_trace_entry(tr, data);
 	tracing_generic_entry_update(entry, flags);
 	entry->type		= TRACE_WAKE;
-	entry->ctx.prev_pid	= curr->pid;
-	entry->ctx.prev_prio	= curr->prio;
-	entry->ctx.prev_state	= curr->state;
-	entry->ctx.next_pid	= wakee->pid;
-	entry->ctx.next_prio	= wakee->prio;
-	entry->ctx.next_state	= wakee->state;
+	entry->field.ctx.prev_pid	= curr->pid;
+	entry->field.ctx.prev_prio	= curr->prio;
+	entry->field.ctx.prev_state	= curr->state;
+	entry->field.ctx.next_pid	= wakee->pid;
+	entry->field.ctx.next_prio	= wakee->prio;
+	entry->field.ctx.next_state	= wakee->state;
 	__trace_stack(tr, data, flags, 6);
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
@@ -1118,7 +1119,7 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu)
 		/*
 		 * Pick the entry with the smallest timestamp:
 		 */
-		if (ent && (!next || ent->t < next->t)) {
+		if (ent && (!next || ent->field.t < next->field.t)) {
 			next = ent;
 			next_cpu = cpu;
 		}
@@ -1422,19 +1423,20 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
 static void
 lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 {
+	struct trace_field *field = &entry->field;
 	int hardirq, softirq;
 	char *comm;
 
-	comm = trace_find_cmdline(entry->pid);
+	comm = trace_find_cmdline(field->pid);
 
-	trace_seq_printf(s, "%8.8s-%-5d ", comm, entry->pid);
+	trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid);
 	trace_seq_printf(s, "%d", cpu);
 	trace_seq_printf(s, "%c%c",
-			(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
-			((entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
+			(field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
+			((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
 
-	hardirq = entry->flags & TRACE_FLAG_HARDIRQ;
-	softirq = entry->flags & TRACE_FLAG_SOFTIRQ;
+	hardirq = field->flags & TRACE_FLAG_HARDIRQ;
+	softirq = field->flags & TRACE_FLAG_SOFTIRQ;
 	if (hardirq && softirq) {
 		trace_seq_putc(s, 'H');
 	} else {
@@ -1448,8 +1450,8 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 		}
 	}
 
-	if (entry->preempt_count)
-		trace_seq_printf(s, "%x", entry->preempt_count);
+	if (field->preempt_count)
+		trace_seq_printf(s, "%x", field->preempt_count);
 	else
 		trace_seq_puts(s, ".");
 }
@@ -1479,6 +1481,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	struct trace_entry *next_entry = find_next_entry(iter, NULL);
 	unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE);
 	struct trace_entry *entry = iter->ent;
+	struct trace_field *field = &entry->field;
 	unsigned long abs_usecs;
 	unsigned long rel_usecs;
 	char *comm;
@@ -1488,17 +1491,17 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 
 	if (!next_entry)
 		next_entry = entry;
-	rel_usecs = ns2usecs(next_entry->t - entry->t);
-	abs_usecs = ns2usecs(entry->t - iter->tr->time_start);
+	rel_usecs = ns2usecs(next_entry->field.t - entry->field.t);
+	abs_usecs = ns2usecs(entry->field.t - iter->tr->time_start);
 
 	if (verbose) {
-		comm = trace_find_cmdline(entry->pid);
+		comm = trace_find_cmdline(field->pid);
 		trace_seq_printf(s, "%16s %5d %d %d %08x %08x [%08lx]"
 				 " %ld.%03ldms (+%ld.%03ldms): ",
 				 comm,
-				 entry->pid, cpu, entry->flags,
-				 entry->preempt_count, trace_idx,
-				 ns2usecs(entry->t),
+				 field->pid, cpu, field->flags,
+				 field->preempt_count, trace_idx,
+				 ns2usecs(field->t),
 				 abs_usecs/1000,
 				 abs_usecs % 1000, rel_usecs/1000,
 				 rel_usecs % 1000);
@@ -1508,41 +1511,42 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	}
 	switch (entry->type) {
 	case TRACE_FN:
-		seq_print_ip_sym(s, entry->fn.ip, sym_flags);
+		seq_print_ip_sym(s, field->fn.ip, sym_flags);
 		trace_seq_puts(s, " (");
-		if (kretprobed(entry->fn.parent_ip))
+		if (kretprobed(field->fn.parent_ip))
 			trace_seq_puts(s, KRETPROBE_MSG);
 		else
-			seq_print_ip_sym(s, entry->fn.parent_ip, sym_flags);
+			seq_print_ip_sym(s, field->fn.parent_ip, sym_flags);
 		trace_seq_puts(s, ")\n");
 		break;
 	case TRACE_CTX:
 	case TRACE_WAKE:
-		T = entry->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[entry->ctx.next_state] : 'X';
+		T = field->ctx.next_state < sizeof(state_to_char) ?
+			state_to_char[field->ctx.next_state] : 'X';
 
-		state = entry->ctx.prev_state ? __ffs(entry->ctx.prev_state) + 1 : 0;
+		state = field->ctx.prev_state ?
+			__ffs(field->ctx.prev_state) + 1 : 0;
 		S = state < sizeof(state_to_char) - 1 ? state_to_char[state] : 'X';
-		comm = trace_find_cmdline(entry->ctx.next_pid);
+		comm = trace_find_cmdline(field->ctx.next_pid);
 		trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c %s\n",
-				 entry->ctx.prev_pid,
-				 entry->ctx.prev_prio,
+				 field->ctx.prev_pid,
+				 field->ctx.prev_prio,
 				 S, entry->type == TRACE_CTX ? "==>" : "  +",
-				 entry->ctx.next_pid,
-				 entry->ctx.next_prio,
+				 field->ctx.next_pid,
+				 field->ctx.next_prio,
 				 T, comm);
 		break;
 	case TRACE_SPECIAL:
 		trace_seq_printf(s, "# %ld %ld %ld\n",
-				 entry->special.arg1,
-				 entry->special.arg2,
-				 entry->special.arg3);
+				 field->special.arg1,
+				 field->special.arg2,
+				 field->special.arg3);
 		break;
 	case TRACE_STACK:
 		for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
 			if (i)
 				trace_seq_puts(s, " <= ");
-			seq_print_ip_sym(s, entry->stack.caller[i], sym_flags);
+			seq_print_ip_sym(s, field->stack.caller[i], sym_flags);
 		}
 		trace_seq_puts(s, "\n");
 		break;
@@ -1557,6 +1561,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	struct trace_seq *s = &iter->seq;
 	unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK);
 	struct trace_entry *entry;
+	struct trace_field *field;
 	unsigned long usec_rem;
 	unsigned long long t;
 	unsigned long secs;
@@ -1566,14 +1571,15 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	int i;
 
 	entry = iter->ent;
+	field = &entry->field;
 
-	comm = trace_find_cmdline(iter->ent->pid);
+	comm = trace_find_cmdline(iter->ent->field.pid);
 
-	t = ns2usecs(entry->t);
+	t = ns2usecs(field->t);
 	usec_rem = do_div(t, 1000000ULL);
 	secs = (unsigned long)t;
 
-	ret = trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid);
+	ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid);
 	if (!ret)
 		return 0;
 	ret = trace_seq_printf(s, "[%02d] ", iter->cpu);
@@ -1585,18 +1591,19 @@ static int print_trace_fmt(struct trace_iterator *iter)
 
 	switch (entry->type) {
 	case TRACE_FN:
-		ret = seq_print_ip_sym(s, entry->fn.ip, sym_flags);
+		ret = seq_print_ip_sym(s, field->fn.ip, sym_flags);
 		if (!ret)
 			return 0;
 		if ((sym_flags & TRACE_ITER_PRINT_PARENT) &&
-						entry->fn.parent_ip) {
+						field->fn.parent_ip) {
 			ret = trace_seq_printf(s, " <-");
 			if (!ret)
 				return 0;
-			if (kretprobed(entry->fn.parent_ip))
+			if (kretprobed(field->fn.parent_ip))
 				ret = trace_seq_puts(s, KRETPROBE_MSG);
 			else
-				ret = seq_print_ip_sym(s, entry->fn.parent_ip,
+				ret = seq_print_ip_sym(s,
+						       field->fn.parent_ip,
 						       sym_flags);
 			if (!ret)
 				return 0;
@@ -1607,26 +1614,26 @@ static int print_trace_fmt(struct trace_iterator *iter)
 		break;
 	case TRACE_CTX:
 	case TRACE_WAKE:
-		S = entry->ctx.prev_state < sizeof(state_to_char) ?
-			state_to_char[entry->ctx.prev_state] : 'X';
-		T = entry->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[entry->ctx.next_state] : 'X';
+		S = field->ctx.prev_state < sizeof(state_to_char) ?
+			state_to_char[field->ctx.prev_state] : 'X';
+		T = field->ctx.next_state < sizeof(state_to_char) ?
+			state_to_char[field->ctx.next_state] : 'X';
 		ret = trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c\n",
-				       entry->ctx.prev_pid,
-				       entry->ctx.prev_prio,
+				       field->ctx.prev_pid,
+				       field->ctx.prev_prio,
 				       S,
 				       entry->type == TRACE_CTX ? "==>" : "  +",
-				       entry->ctx.next_pid,
-				       entry->ctx.next_prio,
+				       field->ctx.next_pid,
+				       field->ctx.next_prio,
 				       T);
 		if (!ret)
 			return 0;
 		break;
 	case TRACE_SPECIAL:
 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
-				 entry->special.arg1,
-				 entry->special.arg2,
-				 entry->special.arg3);
+				 field->special.arg1,
+				 field->special.arg2,
+				 field->special.arg3);
 		if (!ret)
 			return 0;
 		break;
@@ -1637,7 +1644,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 				if (!ret)
 					return 0;
 			}
-			ret = seq_print_ip_sym(s, entry->stack.caller[i],
+			ret = seq_print_ip_sym(s, field->stack.caller[i],
 					       sym_flags);
 			if (!ret)
 				return 0;
@@ -1654,37 +1661,40 @@ static int print_raw_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *entry;
+	struct trace_field *field;
 	int ret;
 	int S, T;
 
 	entry = iter->ent;
+	field = &entry->field;
 
 	ret = trace_seq_printf(s, "%d %d %llu ",
-		entry->pid, iter->cpu, entry->t);
+		field->pid, iter->cpu, field->t);
 	if (!ret)
 		return 0;
 
 	switch (entry->type) {
 	case TRACE_FN:
 		ret = trace_seq_printf(s, "%x %x\n",
-					entry->fn.ip, entry->fn.parent_ip);
+					field->fn.ip,
+					field->fn.parent_ip);
 		if (!ret)
 			return 0;
 		break;
 	case TRACE_CTX:
 	case TRACE_WAKE:
-		S = entry->ctx.prev_state < sizeof(state_to_char) ?
-			state_to_char[entry->ctx.prev_state] : 'X';
-		T = entry->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[entry->ctx.next_state] : 'X';
+		S = field->ctx.prev_state < sizeof(state_to_char) ?
+			state_to_char[field->ctx.prev_state] : 'X';
+		T = field->ctx.next_state < sizeof(state_to_char) ?
+			state_to_char[field->ctx.next_state] : 'X';
 		if (entry->type == TRACE_WAKE)
 			S = '+';
 		ret = trace_seq_printf(s, "%d %d %c %d %d %c\n",
-				       entry->ctx.prev_pid,
-				       entry->ctx.prev_prio,
+				       field->ctx.prev_pid,
+				       field->ctx.prev_prio,
 				       S,
-				       entry->ctx.next_pid,
-				       entry->ctx.next_prio,
+				       field->ctx.next_pid,
+				       field->ctx.next_prio,
 				       T);
 		if (!ret)
 			return 0;
@@ -1692,9 +1702,9 @@ static int print_raw_fmt(struct trace_iterator *iter)
 	case TRACE_SPECIAL:
 	case TRACE_STACK:
 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
-				 entry->special.arg1,
-				 entry->special.arg2,
-				 entry->special.arg3);
+				 field->special.arg1,
+				 field->special.arg2,
+				 field->special.arg3);
 		if (!ret)
 			return 0;
 		break;
@@ -1719,40 +1729,41 @@ static int print_hex_fmt(struct trace_iterator *iter)
 	struct trace_seq *s = &iter->seq;
 	unsigned char newline = '\n';
 	struct trace_entry *entry;
+	struct trace_field *field;
 	int S, T;
 
 	entry = iter->ent;
+	field = &entry->field;
 
-	SEQ_PUT_HEX_FIELD_RET(s, entry->pid);
+	SEQ_PUT_HEX_FIELD_RET(s, field->pid);
 	SEQ_PUT_HEX_FIELD_RET(s, iter->cpu);
-	SEQ_PUT_HEX_FIELD_RET(s, entry->t);
+	SEQ_PUT_HEX_FIELD_RET(s, field->t);
 
 	switch (entry->type) {
 	case TRACE_FN:
-		SEQ_PUT_HEX_FIELD_RET(s, entry->fn.ip);
-		SEQ_PUT_HEX_FIELD_RET(s, entry->fn.parent_ip);
+		SEQ_PUT_HEX_FIELD_RET(s, field->fn.ip);
+		SEQ_PUT_HEX_FIELD_RET(s, field->fn.parent_ip);
 		break;
 	case TRACE_CTX:
 	case TRACE_WAKE:
-		S = entry->ctx.prev_state < sizeof(state_to_char) ?
-			state_to_char[entry->ctx.prev_state] : 'X';
-		T = entry->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[entry->ctx.next_state] : 'X';
+		S = field->ctx.prev_state < sizeof(state_to_char) ?
+			state_to_char[field->ctx.prev_state] : 'X';
+		T = field->ctx.next_state < sizeof(state_to_char) ?
+			state_to_char[field->ctx.next_state] : 'X';
 		if (entry->type == TRACE_WAKE)
 			S = '+';
-		SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.prev_pid);
-		SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.prev_prio);
+		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_pid);
+		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_prio);
 		SEQ_PUT_HEX_FIELD_RET(s, S);
-		SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.next_pid);
-		SEQ_PUT_HEX_FIELD_RET(s, entry->ctx.next_prio);
-		SEQ_PUT_HEX_FIELD_RET(s, entry->fn.parent_ip);
+		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_pid);
+		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_prio);
 		SEQ_PUT_HEX_FIELD_RET(s, T);
 		break;
 	case TRACE_SPECIAL:
 	case TRACE_STACK:
-		SEQ_PUT_HEX_FIELD_RET(s, entry->special.arg1);
-		SEQ_PUT_HEX_FIELD_RET(s, entry->special.arg2);
-		SEQ_PUT_HEX_FIELD_RET(s, entry->special.arg3);
+		SEQ_PUT_HEX_FIELD_RET(s, field->special.arg1);
+		SEQ_PUT_HEX_FIELD_RET(s, field->special.arg2);
+		SEQ_PUT_HEX_FIELD_RET(s, field->special.arg3);
 		break;
 	}
 	SEQ_PUT_FIELD_RET(s, newline);
@@ -1764,31 +1775,33 @@ static int print_bin_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *entry;
+	struct trace_field *field;
 
 	entry = iter->ent;
+	field = &entry->field;
 
-	SEQ_PUT_FIELD_RET(s, entry->pid);
-	SEQ_PUT_FIELD_RET(s, entry->cpu);
-	SEQ_PUT_FIELD_RET(s, entry->t);
+	SEQ_PUT_FIELD_RET(s, field->pid);
+	SEQ_PUT_FIELD_RET(s, field->cpu);
+	SEQ_PUT_FIELD_RET(s, field->t);
 
 	switch (entry->type) {
 	case TRACE_FN:
-		SEQ_PUT_FIELD_RET(s, entry->fn.ip);
-		SEQ_PUT_FIELD_RET(s, entry->fn.parent_ip);
+		SEQ_PUT_FIELD_RET(s, field->fn.ip);
+		SEQ_PUT_FIELD_RET(s, field->fn.parent_ip);
 		break;
 	case TRACE_CTX:
-		SEQ_PUT_FIELD_RET(s, entry->ctx.prev_pid);
-		SEQ_PUT_FIELD_RET(s, entry->ctx.prev_prio);
-		SEQ_PUT_FIELD_RET(s, entry->ctx.prev_state);
-		SEQ_PUT_FIELD_RET(s, entry->ctx.next_pid);
-		SEQ_PUT_FIELD_RET(s, entry->ctx.next_prio);
-		SEQ_PUT_FIELD_RET(s, entry->ctx.next_state);
+		SEQ_PUT_FIELD_RET(s, field->ctx.prev_pid);
+		SEQ_PUT_FIELD_RET(s, field->ctx.prev_prio);
+		SEQ_PUT_FIELD_RET(s, field->ctx.prev_state);
+		SEQ_PUT_FIELD_RET(s, field->ctx.next_pid);
+		SEQ_PUT_FIELD_RET(s, field->ctx.next_prio);
+		SEQ_PUT_FIELD_RET(s, field->ctx.next_state);
 		break;
 	case TRACE_SPECIAL:
 	case TRACE_STACK:
-		SEQ_PUT_FIELD_RET(s, entry->special.arg1);
-		SEQ_PUT_FIELD_RET(s, entry->special.arg2);
-		SEQ_PUT_FIELD_RET(s, entry->special.arg3);
+		SEQ_PUT_FIELD_RET(s, field->special.arg1);
+		SEQ_PUT_FIELD_RET(s, field->special.arg2);
+		SEQ_PUT_FIELD_RET(s, field->special.arg3);
 		break;
 	}
 	return 1;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index f69f86788c2..6ddd6a6556c 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -61,13 +61,12 @@ struct stack_entry {
 };
 
 /*
- * The trace entry - the most basic unit of tracing. This is what
+ * The trace field - the most basic unit of tracing. This is what
  * is printed in the end as a single line in the trace output, such as:
  *
  *     bash-15816 [01]   235.197585: idle_cpu <- irq_enter
  */
-struct trace_entry {
-	char			type;
+struct trace_field {
 	char			cpu;
 	char			flags;
 	char			preempt_count;
@@ -83,6 +82,18 @@ struct trace_entry {
 	};
 };
 
+struct trace_field_cont {
+	char				buf[sizeof(struct trace_field)];
+};
+
+struct trace_entry {
+	char 				type;
+	union {
+		struct trace_field	field;
+		struct trace_field_cont	cont;
+	};
+};
+
 #define TRACE_ENTRY_SIZE	sizeof(struct trace_entry)
 
 /*
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index b13dc19dcbb..9b7a936f4b1 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -174,14 +174,14 @@ print_out:
 static int mmio_print_rw(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
-	struct mmiotrace_rw *rw	= &entry->mmiorw;
+	struct mmiotrace_rw *rw	= &entry->field.mmiorw;
 	struct trace_seq *s	= &iter->seq;
-	unsigned long long t	= ns2usecs(entry->t);
+	unsigned long long t	= ns2usecs(entry->field.t);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret = 1;
 
-	switch (entry->mmiorw.opcode) {
+	switch (entry->field.mmiorw.opcode) {
 	case MMIO_READ:
 		ret = trace_seq_printf(s,
 			"R %d %lu.%06lu %d 0x%llx 0x%lx 0x%lx %d\n",
@@ -216,14 +216,14 @@ static int mmio_print_rw(struct trace_iterator *iter)
 static int mmio_print_map(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
-	struct mmiotrace_map *m	= &entry->mmiomap;
+	struct mmiotrace_map *m	= &entry->field.mmiomap;
 	struct trace_seq *s	= &iter->seq;
-	unsigned long long t	= ns2usecs(entry->t);
+	unsigned long long t	= ns2usecs(entry->field.t);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret = 1;
 
-	switch (entry->mmiorw.opcode) {
+	switch (entry->field.mmiorw.opcode) {
 	case MMIO_PROBE:
 		ret = trace_seq_printf(s,
 			"MAP %lu.%06lu %d 0x%llx 0x%lx 0x%lx 0x%lx %d\n",
-- 
GitLab


From dd0e545f061f90099a3dcc13aa77e29c6295cf23 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 1 Aug 2008 12:26:41 -0400
Subject: [PATCH 0455/2224] ftrace: printk formatting infrastructure

This patch adds a feature that can help kernel developers debug their
code using ftrace.

  int ftrace_printk(const char *fmt, ...);

This records into the ftrace buffer using printf formatting. The entry
size in the buffers are still a fixed length. A new type has been added
that allows for more entries to be used for a single recording.

The start of the print is still the same as the other entries.

It returns the number of characters written to the ftrace buffer.

For example:

Having a module with the following code:

static int __init ftrace_print_test(void)
{
        ftrace_printk("jiffies are %ld\n", jiffies);
        return 0;
}

Gives me:

  insmod-5441  3...1 7569us : ftrace_print_test: jiffies are 4296626666

for the latency_trace file and:

          insmod-5441  [03]  1959.370498: ftrace_print_test jiffies are 4296626666

for the trace file.

Note: Only the infrastructure should go into the kernel. It is to help
facilitate debugging for other kernel developers. Calls to ftrace_printk
is not intended to be left in the kernel, and should be frowned upon just
like scattering printks around in the code.

But having this easily at your fingertips helps the debugging go faster
and bugs be solved quicker.

Maybe later on, we can hook this with markers and have their printf format
be sucked into ftrace output.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h        |  10 ++
 kernel/trace/trace.c          | 273 ++++++++++++++++++++++++++++++----
 kernel/trace/trace.h          |  11 ++
 kernel/trace/trace_selftest.c |  11 +-
 4 files changed, 272 insertions(+), 33 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 6b232a2460c..f53b975e32f 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -157,9 +157,18 @@ static inline void __ftrace_enabled_restore(int enabled)
 #ifdef CONFIG_TRACING
 extern void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
+# define ftrace_printk(x...) __ftrace_printk(_THIS_IP_, x)
+extern int
+__ftrace_printk(unsigned long ip, const char *fmt, ...)
+	__attribute__ ((format (printf, 2, 3)));
 #else
 static inline void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
+static inline int
+ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)))
+{
+	return 0;
+}
 #endif
 
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
@@ -173,4 +182,5 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { }
 static inline void ftrace_release(void *start, unsigned long size) { }
 #endif
 
+
 #endif /* _LINUX_FTRACE_H */
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 76dfe6d2466..a917bea8271 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -197,12 +197,14 @@ unsigned long nsecs_to_usecs(unsigned long nsecs)
  *  NEED_RESCED - reschedule is requested
  *  HARDIRQ	- inside an interrupt handler
  *  SOFTIRQ	- inside a softirq handler
+ *  CONT	- multiple entries hold the trace item
  */
 enum trace_flag_type {
 	TRACE_FLAG_IRQS_OFF		= 0x01,
 	TRACE_FLAG_NEED_RESCHED		= 0x02,
 	TRACE_FLAG_HARDIRQ		= 0x04,
 	TRACE_FLAG_SOFTIRQ		= 0x08,
+	TRACE_FLAG_CONT			= 0x10,
 };
 
 /*
@@ -1074,6 +1076,7 @@ enum trace_file_type {
 	TRACE_FILE_LAT_FMT	= 1,
 };
 
+/* Return the current entry.  */
 static struct trace_entry *
 trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data,
 		struct trace_iterator *iter, int cpu)
@@ -1104,8 +1107,58 @@ trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data,
 	return &array[iter->next_page_idx[cpu]];
 }
 
+/* Increment the index counter of an iterator by one */
+static void trace_iterator_increment(struct trace_iterator *iter, int cpu)
+{
+	iter->idx++;
+	iter->next_idx[cpu]++;
+	iter->next_page_idx[cpu]++;
+
+	if (iter->next_page_idx[cpu] >= ENTRIES_PER_PAGE) {
+		struct trace_array_cpu *data = iter->tr->data[cpu];
+
+		iter->next_page_idx[cpu] = 0;
+		iter->next_page[cpu] =
+			trace_next_list(data, iter->next_page[cpu]);
+	}
+}
+
 static struct trace_entry *
-find_next_entry(struct trace_iterator *iter, int *ent_cpu)
+trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data,
+		 struct trace_iterator *iter, int cpu)
+{
+	struct list_head *next_page;
+	struct trace_entry *ent;
+	int idx, next_idx, next_page_idx;
+
+	ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu);
+
+	if (likely(!ent || ent->type != TRACE_CONT))
+		return ent;
+
+	/* save the iterator details */
+	idx		= iter->idx;
+	next_idx	= iter->next_idx[cpu];
+	next_page_idx	= iter->next_page_idx[cpu];
+	next_page	= iter->next_page[cpu];
+
+	/* find a real entry */
+	do {
+		trace_iterator_increment(iter, cpu);
+		ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu);
+	} while (ent && ent->type != TRACE_CONT);
+
+	/* reset the iterator */
+	iter->idx			= idx;
+	iter->next_idx[cpu]		= next_idx;
+	iter->next_page_idx[cpu]	= next_page_idx;
+	iter->next_page[cpu]		= next_page;
+
+	return ent;
+}
+
+static struct trace_entry *
+__find_next_entry(struct trace_iterator *iter, int *ent_cpu, int inc)
 {
 	struct trace_array *tr = iter->tr;
 	struct trace_entry *ent, *next = NULL;
@@ -1115,7 +1168,23 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu)
 	for_each_tracing_cpu(cpu) {
 		if (!head_page(tr->data[cpu]))
 			continue;
+
 		ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu);
+
+		if (ent && ent->type == TRACE_CONT) {
+			struct trace_array_cpu *data = tr->data[cpu];
+
+			if (!inc)
+				ent = trace_entry_next(tr, data, iter, cpu);
+			else {
+				while (ent && ent->type == TRACE_CONT) {
+					trace_iterator_increment(iter, cpu);
+					ent = trace_entry_idx(tr, tr->data[cpu],
+							      iter, cpu);
+				}
+			}
+		}
+
 		/*
 		 * Pick the entry with the smallest timestamp:
 		 */
@@ -1131,25 +1200,39 @@ find_next_entry(struct trace_iterator *iter, int *ent_cpu)
 	return next;
 }
 
-static void trace_iterator_increment(struct trace_iterator *iter)
+/* Find the next real entry, without updating the iterator itself */
+static struct trace_entry *
+find_next_entry(struct trace_iterator *iter, int *ent_cpu)
 {
-	iter->idx++;
-	iter->next_idx[iter->cpu]++;
-	iter->next_page_idx[iter->cpu]++;
+	return __find_next_entry(iter, ent_cpu, 0);
+}
+
+/* Find the next real entry, and increment the iterator to the next entry */
+static void *find_next_entry_inc(struct trace_iterator *iter)
+{
+	struct trace_entry *next;
+	int next_cpu = -1;
 
-	if (iter->next_page_idx[iter->cpu] >= ENTRIES_PER_PAGE) {
-		struct trace_array_cpu *data = iter->tr->data[iter->cpu];
+	next = __find_next_entry(iter, &next_cpu, 1);
 
-		iter->next_page_idx[iter->cpu] = 0;
-		iter->next_page[iter->cpu] =
-			trace_next_list(data, iter->next_page[iter->cpu]);
-	}
+	iter->prev_ent = iter->ent;
+	iter->prev_cpu = iter->cpu;
+
+	iter->ent = next;
+	iter->cpu = next_cpu;
+
+	if (next)
+		trace_iterator_increment(iter, iter->cpu);
+
+	return next ? iter : NULL;
 }
 
 static void trace_consume(struct trace_iterator *iter)
 {
 	struct trace_array_cpu *data = iter->tr->data[iter->cpu];
+	struct trace_entry *ent;
 
+ again:
 	data->trace_tail_idx++;
 	if (data->trace_tail_idx >= ENTRIES_PER_PAGE) {
 		data->trace_tail = trace_next_page(data, data->trace_tail);
@@ -1160,25 +1243,11 @@ static void trace_consume(struct trace_iterator *iter)
 	if (data->trace_head == data->trace_tail &&
 	    data->trace_head_idx == data->trace_tail_idx)
 		data->trace_idx = 0;
-}
-
-static void *find_next_entry_inc(struct trace_iterator *iter)
-{
-	struct trace_entry *next;
-	int next_cpu = -1;
-
-	next = find_next_entry(iter, &next_cpu);
-
-	iter->prev_ent = iter->ent;
-	iter->prev_cpu = iter->cpu;
-
-	iter->ent = next;
-	iter->cpu = next_cpu;
-
-	if (next)
-		trace_iterator_increment(iter);
 
-	return next ? iter : NULL;
+	ent = trace_entry_idx(iter->tr, iter->tr->data[iter->cpu],
+			      iter, iter->cpu);
+	if (ent && ent->type == TRACE_CONT)
+		goto again;
 }
 
 static void *s_next(struct seq_file *m, void *v, loff_t *pos)
@@ -1473,6 +1542,26 @@ lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs,
 
 static const char state_to_char[] = TASK_STATE_TO_CHAR_STR;
 
+static void
+trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
+{
+	struct trace_array *tr = iter->tr;
+	struct trace_array_cpu *data = tr->data[iter->cpu];
+	struct trace_entry *ent;
+
+	ent = trace_entry_idx(tr, data, iter, iter->cpu);
+	if (!ent || ent->type != TRACE_CONT) {
+		trace_seq_putc(s, '\n');
+		return;
+	}
+
+	do {
+		trace_seq_printf(s, "%s", ent->cont.buf);
+		trace_iterator_increment(iter, iter->cpu);
+		ent = trace_entry_idx(tr, data, iter, iter->cpu);
+	} while (ent && ent->type == TRACE_CONT);
+}
+
 static int
 print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 {
@@ -1491,6 +1580,10 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 
 	if (!next_entry)
 		next_entry = entry;
+
+	if (entry->type == TRACE_CONT)
+		return 1;
+
 	rel_usecs = ns2usecs(next_entry->field.t - entry->field.t);
 	abs_usecs = ns2usecs(entry->field.t - iter->tr->time_start);
 
@@ -1550,6 +1643,12 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 		}
 		trace_seq_puts(s, "\n");
 		break;
+	case TRACE_PRINT:
+		seq_print_ip_sym(s, field->print.ip, sym_flags);
+		trace_seq_printf(s, ": %s", field->print.buf);
+		if (field->flags && TRACE_FLAG_CONT)
+			trace_seq_print_cont(s, iter);
+		break;
 	default:
 		trace_seq_printf(s, "Unknown type %d\n", entry->type);
 	}
@@ -1571,6 +1670,10 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	int i;
 
 	entry = iter->ent;
+
+	if (entry->type == TRACE_CONT)
+		return 1;
+
 	field = &entry->field;
 
 	comm = trace_find_cmdline(iter->ent->field.pid);
@@ -1653,6 +1756,12 @@ static int print_trace_fmt(struct trace_iterator *iter)
 		if (!ret)
 			return 0;
 		break;
+	case TRACE_PRINT:
+		seq_print_ip_sym(s, field->print.ip, sym_flags);
+		trace_seq_printf(s, ": %s", field->print.buf);
+		if (field->flags && TRACE_FLAG_CONT)
+			trace_seq_print_cont(s, iter);
+		break;
 	}
 	return 1;
 }
@@ -1666,6 +1775,10 @@ static int print_raw_fmt(struct trace_iterator *iter)
 	int S, T;
 
 	entry = iter->ent;
+
+	if (entry->type == TRACE_CONT)
+		return 1;
+
 	field = &entry->field;
 
 	ret = trace_seq_printf(s, "%d %d %llu ",
@@ -1708,6 +1821,12 @@ static int print_raw_fmt(struct trace_iterator *iter)
 		if (!ret)
 			return 0;
 		break;
+	case TRACE_PRINT:
+		trace_seq_printf(s, "# %lx %s",
+				 field->print.ip, field->print.buf);
+		if (field->flags && TRACE_FLAG_CONT)
+			trace_seq_print_cont(s, iter);
+		break;
 	}
 	return 1;
 }
@@ -1733,6 +1852,10 @@ static int print_hex_fmt(struct trace_iterator *iter)
 	int S, T;
 
 	entry = iter->ent;
+
+	if (entry->type == TRACE_CONT)
+		return 1;
+
 	field = &entry->field;
 
 	SEQ_PUT_HEX_FIELD_RET(s, field->pid);
@@ -1778,6 +1901,10 @@ static int print_bin_fmt(struct trace_iterator *iter)
 	struct trace_field *field;
 
 	entry = iter->ent;
+
+	if (entry->type == TRACE_CONT)
+		return 1;
+
 	field = &entry->field;
 
 	SEQ_PUT_FIELD_RET(s, field->pid);
@@ -2943,6 +3070,94 @@ static __init void tracer_init_debugfs(void)
 #endif
 }
 
+#define TRACE_BUF_SIZE 1024
+#define TRACE_PRINT_BUF_SIZE \
+	(sizeof(struct trace_field) - offsetof(struct trace_field, print.buf))
+#define TRACE_CONT_BUF_SIZE sizeof(struct trace_field)
+
+/**
+ * ftrace_printk - printf formatting in the ftrace buffer
+ * @fmt - the printf format for printing.
+ *
+ * Note: __ftrace_printk is an internal function for ftrace_printk and
+ *       the @ip is passed in via the ftrace_printk macro.
+ *
+ * This function allows a kernel developer to debug fast path sections
+ * that printk is not appropriate for. By scattering in various
+ * printk like tracing in the code, a developer can quickly see
+ * where problems are occurring.
+ *
+ * This is intended as a debugging tool for the developer only.
+ * Please reframe from leaving ftrace_printks scattered around in
+ * your code.
+ */
+int __ftrace_printk(unsigned long ip, const char *fmt, ...)
+{
+	struct trace_array *tr = &global_trace;
+	static DEFINE_SPINLOCK(trace_buf_lock);
+	static char trace_buf[TRACE_BUF_SIZE];
+	struct trace_array_cpu *data;
+	struct trace_entry *entry;
+	unsigned long flags;
+	long disabled;
+	va_list ap;
+	int cpu, len = 0, write, written = 0;
+
+	if (likely(!ftrace_function_enabled))
+		return 0;
+
+	local_irq_save(flags);
+	cpu = raw_smp_processor_id();
+	data = tr->data[cpu];
+	disabled = atomic_inc_return(&data->disabled);
+
+	if (unlikely(disabled != 1 || !ftrace_function_enabled))
+		goto out;
+
+	spin_lock(&trace_buf_lock);
+	va_start(ap, fmt);
+	len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, ap);
+	va_end(ap);
+
+	len = min(len, TRACE_BUF_SIZE-1);
+	trace_buf[len] = 0;
+
+	__raw_spin_lock(&data->lock);
+	entry				= tracing_get_trace_entry(tr, data);
+	tracing_generic_entry_update(entry, flags);
+	entry->type			= TRACE_PRINT;
+	entry->field.print.ip		= ip;
+
+	write = min(len, (int)(TRACE_PRINT_BUF_SIZE-1));
+
+	memcpy(&entry->field.print.buf, trace_buf, write);
+	entry->field.print.buf[write] = 0;
+	written = write;
+
+	if (written != len)
+		entry->field.flags |= TRACE_FLAG_CONT;
+
+	while (written != len) {
+		entry = tracing_get_trace_entry(tr, data);
+
+		entry->type = TRACE_CONT;
+		write = min(len - written, (int)(TRACE_CONT_BUF_SIZE-1));
+		memcpy(&entry->cont.buf, trace_buf+written, write);
+		entry->cont.buf[write] = 0;
+		written += write;
+	}
+	__raw_spin_unlock(&data->lock);
+
+	spin_unlock(&trace_buf_lock);
+
+ out:
+	atomic_dec(&data->disabled);
+	local_irq_restore(flags);
+
+	return len;
+}
+EXPORT_SYMBOL_GPL(__ftrace_printk);
+
 static int trace_alloc_page(void)
 {
 	struct trace_array_cpu *data;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 6ddd6a6556c..50b6d7a6f01 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -13,7 +13,9 @@ enum trace_type {
 	TRACE_FN,
 	TRACE_CTX,
 	TRACE_WAKE,
+	TRACE_CONT,
 	TRACE_STACK,
+	TRACE_PRINT,
 	TRACE_SPECIAL,
 	TRACE_MMIO_RW,
 	TRACE_MMIO_MAP,
@@ -60,6 +62,14 @@ struct stack_entry {
 	unsigned long		caller[FTRACE_STACK_ENTRIES];
 };
 
+/*
+ * ftrace_printk entry:
+ */
+struct print_entry {
+	unsigned long		ip;
+	char			buf[];
+};
+
 /*
  * The trace field - the most basic unit of tracing. This is what
  * is printed in the end as a single line in the trace output, such as:
@@ -77,6 +87,7 @@ struct trace_field {
 		struct ctx_switch_entry		ctx;
 		struct special_entry		special;
 		struct stack_entry		stack;
+		struct print_entry		print;
 		struct mmiotrace_rw		mmiorw;
 		struct mmiotrace_map		mmiomap;
 	};
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 0911b7e073b..630715bbd57 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -9,7 +9,9 @@ static inline int trace_valid_entry(struct trace_entry *entry)
 	case TRACE_FN:
 	case TRACE_CTX:
 	case TRACE_WAKE:
+	case TRACE_CONT:
 	case TRACE_STACK:
+	case TRACE_PRINT:
 	case TRACE_SPECIAL:
 		return 1;
 	}
@@ -120,11 +122,11 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace,
 					   struct trace_array *tr,
 					   int (*func)(void))
 {
-	unsigned long count;
-	int ret;
 	int save_ftrace_enabled = ftrace_enabled;
 	int save_tracer_enabled = tracer_enabled;
+	unsigned long count;
 	char *func_name;
+	int ret;
 
 	/* The ftrace test PASSED */
 	printk(KERN_CONT "PASSED\n");
@@ -157,6 +159,7 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace,
 	/* enable tracing */
 	tr->ctrl = 1;
 	trace->init(tr);
+
 	/* Sleep for a 1/10 of a second */
 	msleep(100);
 
@@ -212,10 +215,10 @@ int trace_selftest_startup_dynamic_tracing(struct tracer *trace,
 int
 trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr)
 {
-	unsigned long count;
-	int ret;
 	int save_ftrace_enabled = ftrace_enabled;
 	int save_tracer_enabled = tracer_enabled;
+	unsigned long count;
+	int ret;
 
 	/* make sure msleep has been recorded */
 	msleep(1);
-- 
GitLab


From 2f2c99dba2398ef7d9c21f7c793180a50e68b1f0 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 1 Aug 2008 16:45:49 -0400
Subject: [PATCH 0456/2224] ftrace: ftrace_printk doc moved

Based on Randy Dunlap's suggestion, the ftrace_printk kernel-doc belongs
with the ftrace_printk macro that should be used. Not with the
__ftrace_printk internal function.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 19 ++++++++++++++++++-
 kernel/trace/trace.c   | 16 ----------------
 2 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index f53b975e32f..018af16bce5 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -157,7 +157,24 @@ static inline void __ftrace_enabled_restore(int enabled)
 #ifdef CONFIG_TRACING
 extern void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
-# define ftrace_printk(x...) __ftrace_printk(_THIS_IP_, x)
+
+/**
+ * ftrace_printk - printf formatting in the ftrace buffer
+ * @fmt: the printf format for printing
+ *
+ * Note: __ftrace_printk is an internal function for ftrace_printk and
+ *       the @ip is passed in via the ftrace_printk macro.
+ *
+ * This function allows a kernel developer to debug fast path sections
+ * that printk is not appropriate for. By scattering in various
+ * printk like tracing in the code, a developer can quickly see
+ * where problems are occurring.
+ *
+ * This is intended as a debugging tool for the developer only.
+ * Please refrain from leaving ftrace_printks scattered around in
+ * your code.
+ */
+# define ftrace_printk(fmt...) __ftrace_printk(_THIS_IP_, fmt)
 extern int
 __ftrace_printk(unsigned long ip, const char *fmt, ...)
 	__attribute__ ((format (printf, 2, 3)));
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index a917bea8271..2597e7e49c3 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3075,22 +3075,6 @@ static __init void tracer_init_debugfs(void)
 	(sizeof(struct trace_field) - offsetof(struct trace_field, print.buf))
 #define TRACE_CONT_BUF_SIZE sizeof(struct trace_field)
 
-/**
- * ftrace_printk - printf formatting in the ftrace buffer
- * @fmt - the printf format for printing.
- *
- * Note: __ftrace_printk is an internal function for ftrace_printk and
- *       the @ip is passed in via the ftrace_printk macro.
- *
- * This function allows a kernel developer to debug fast path sections
- * that printk is not appropriate for. By scattering in various
- * printk like tracing in the code, a developer can quickly see
- * where problems are occurring.
- *
- * This is intended as a debugging tool for the developer only.
- * Please reframe from leaving ftrace_printks scattered around in
- * your code.
- */
 int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 {
 	struct trace_array *tr = &global_trace;
-- 
GitLab


From 3f5a54e371ca20b119b73704f6c01b71295c1714 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 30 Jul 2008 22:36:46 -0400
Subject: [PATCH 0457/2224] ftrace: dump out ftrace buffers to console on panic

At OLS I had a lot of interest to be able to have the ftrace buffers
dumped on panic.  Usually one would expect to uses kexec and examine
the buffers after a new kernel is loaded. But sometimes the resources
do not permit kdump and kexec, so having an option to still see the
sequence of events up to the crash is very advantageous.

This patch adds the option to have the ftrace buffers dumped to the
console in the latency_trace format on a panic. When the option is set,
the default entries per CPU buffer are lowered to 16384, since the writing
to the serial (if that is the console) may take an awful long time
otherwise.

[
 Changes since -v1:
  Got alpine to send correctly (as well as spell check working).
  Removed config option.
  Moved the static variables into ftrace_dump itself.
  Gave printk a log level.
]

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h |   2 +
 kernel/trace/trace.c   | 175 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 176 insertions(+), 1 deletion(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 018af16bce5..f7fb92045bf 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -178,6 +178,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
 extern int
 __ftrace_printk(unsigned long ip, const char *fmt, ...)
 	__attribute__ ((format (printf, 2, 3)));
+extern void ftrace_dump(void);
 #else
 static inline void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
@@ -186,6 +187,7 @@ ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)))
 {
 	return 0;
 }
+static inline void ftrace_dump(void) { }
 #endif
 
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 2597e7e49c3..97513c8ecd6 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -14,6 +14,7 @@
 #include <linux/utsrelease.h>
 #include <linux/kallsyms.h>
 #include <linux/seq_file.h>
+#include <linux/notifier.h>
 #include <linux/debugfs.h>
 #include <linux/pagemap.h>
 #include <linux/hardirq.h>
@@ -22,6 +23,7 @@
 #include <linux/ftrace.h>
 #include <linux/module.h>
 #include <linux/percpu.h>
+#include <linux/kdebug.h>
 #include <linux/ctype.h>
 #include <linux/init.h>
 #include <linux/poll.h>
@@ -103,8 +105,15 @@ int				ftrace_function_enabled;
  * trace_nr_entries is the number of entries that is allocated
  * for a buffer. Note, the number of entries is always rounded
  * to ENTRIES_PER_PAGE.
+ *
+ * This number is purposely set to a low number of 16384.
+ * If the dump on oops happens, it will be much appreciated
+ * to not have to wait for all that output. Anyway this can be
+ * boot time and run time configurable.
  */
-static unsigned long		trace_nr_entries = 65536UL;
+#define TRACE_ENTRIES_DEFAULT	16384UL
+
+static unsigned long		trace_nr_entries = TRACE_ENTRIES_DEFAULT;
 
 /* trace_types holds a link list of available tracers. */
 static struct tracer		*trace_types __read_mostly;
@@ -3142,6 +3151,165 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 }
 EXPORT_SYMBOL_GPL(__ftrace_printk);
 
+static int trace_panic_handler(struct notifier_block *this,
+			       unsigned long event, void *unused)
+{
+	ftrace_dump();
+	return NOTIFY_OK;
+}
+
+static struct notifier_block trace_panic_notifier = {
+	.notifier_call  = trace_panic_handler,
+	.next           = NULL,
+	.priority       = 150   /* priority: INT_MAX >= x >= 0 */
+};
+
+static int trace_die_handler(struct notifier_block *self,
+			     unsigned long val,
+			     void *data)
+{
+	switch (val) {
+	case DIE_OOPS:
+		ftrace_dump();
+		break;
+	default:
+		break;
+	}
+	return NOTIFY_OK;
+}
+
+static struct notifier_block trace_die_notifier = {
+	.notifier_call = trace_die_handler,
+	.priority = 200
+};
+
+/*
+ * printk is set to max of 1024, we really don't need it that big.
+ * Nothing should be printing 1000 characters anyway.
+ */
+#define TRACE_MAX_PRINT		1000
+
+/*
+ * Define here KERN_TRACE so that we have one place to modify
+ * it if we decide to change what log level the ftrace dump
+ * should be at.
+ */
+#define KERN_TRACE		KERN_INFO
+
+static void
+trace_printk_seq(struct trace_seq *s)
+{
+	/* Probably should print a warning here. */
+	if (s->len >= 1000)
+		s->len = 1000;
+
+	/* should be zero ended, but we are paranoid. */
+	s->buffer[s->len] = 0;
+
+	printk(KERN_TRACE "%s", s->buffer);
+
+	trace_seq_reset(s);
+}
+
+
+void ftrace_dump(void)
+{
+	static DEFINE_SPINLOCK(ftrace_dump_lock);
+	/* use static because iter can be a bit big for the stack */
+	static struct trace_iterator iter;
+	struct trace_array_cpu *data;
+	static cpumask_t mask;
+	static int dump_ran;
+	unsigned long flags;
+	int cnt = 0;
+	int cpu;
+
+	/* only one dump */
+	spin_lock_irqsave(&ftrace_dump_lock, flags);
+	if (dump_ran)
+		goto out;
+
+	dump_ran = 1;
+
+	/* No turning back! */
+	ftrace_kill_atomic();
+
+	printk(KERN_TRACE "Dumping ftrace buffer:\n");
+
+	iter.tr = &global_trace;
+	iter.trace = current_trace;
+
+	/*
+	 * We need to stop all tracing on all CPUS to read the
+	 * the next buffer. This is a bit expensive, but is
+	 * not done often. We fill all what we can read,
+	 * and then release the locks again.
+	 */
+
+	cpus_clear(mask);
+
+	for_each_tracing_cpu(cpu) {
+		data = iter.tr->data[cpu];
+
+		if (!head_page(data) || !data->trace_idx)
+			continue;
+
+		atomic_inc(&data->disabled);
+		cpu_set(cpu, mask);
+	}
+
+	for_each_cpu_mask(cpu, mask) {
+		data = iter.tr->data[cpu];
+		__raw_spin_lock(&data->lock);
+
+		if (data->overrun > iter.last_overrun[cpu])
+			iter.overrun[cpu] +=
+				data->overrun - iter.last_overrun[cpu];
+		iter.last_overrun[cpu] = data->overrun;
+	}
+
+	while (!trace_empty(&iter)) {
+
+		if (!cnt)
+			printk(KERN_TRACE "---------------------------------\n");
+
+		cnt++;
+
+		/* reset all but tr, trace, and overruns */
+		memset(&iter.seq, 0,
+		       sizeof(struct trace_iterator) -
+		       offsetof(struct trace_iterator, seq));
+		iter.iter_flags |= TRACE_FILE_LAT_FMT;
+		iter.pos = -1;
+
+		if (find_next_entry_inc(&iter) != NULL) {
+			print_trace_line(&iter);
+			trace_consume(&iter);
+		}
+
+		trace_printk_seq(&iter.seq);
+	}
+
+	if (!cnt)
+		printk(KERN_TRACE "   (ftrace buffer empty)\n");
+	else
+		printk(KERN_TRACE "---------------------------------\n");
+
+	for_each_cpu_mask(cpu, mask) {
+		data = iter.tr->data[cpu];
+		__raw_spin_unlock(&data->lock);
+	}
+
+	for_each_cpu_mask(cpu, mask) {
+		data = iter.tr->data[cpu];
+		atomic_dec(&data->disabled);
+	}
+
+
+ out:
+	spin_unlock_irqrestore(&ftrace_dump_lock, flags);
+}
+
 static int trace_alloc_page(void)
 {
 	struct trace_array_cpu *data;
@@ -3338,6 +3506,11 @@ __init static int tracer_alloc_buffers(void)
 	global_trace.ctrl = tracer_enabled;
 	tracing_disabled = 0;
 
+	atomic_notifier_chain_register(&panic_notifier_list,
+				       &trace_panic_notifier);
+
+	register_die_notifier(&trace_die_notifier);
+
 	return 0;
 
  free_buffers:
-- 
GitLab


From 7b928c23fa3e9fa37d1d4ba52ba963f41ee5aae0 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 15 Aug 2008 17:48:02 +0200
Subject: [PATCH 0458/2224] ftrace: build fix
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fix:

 In file included from init/main.c:65:
 include/linux/ftrace.h:166: error: expected ‘,' or ‘;' before ‘{' token
 make[1]: *** [init/main.o] Error 1
 make: *** [init/main.o] Error 2

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index f7fb92045bf..ce929cb5543 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -183,7 +183,10 @@ extern void ftrace_dump(void);
 static inline void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 static inline int
-ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)))
+ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)));
+
+static inline int
+ftrace_printk(const char *fmt, ...)
 {
 	return 0;
 }
-- 
GitLab


From c5131ad6c3cbe8f6674993e29a76cecf8deb4384 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 15 Aug 2008 18:22:09 +0200
Subject: [PATCH 0459/2224] ftrace: ftrace_kill_atomic() build fix

fix:

 kernel/built-in.o: In function `ftrace_dump':
 (.text+0x2e2ea): undefined reference to `ftrace_kill_atomic'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index ce929cb5543..36c439927ff 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -36,6 +36,7 @@ extern void ftrace_stub(unsigned long a0, unsigned long a1);
 # define register_ftrace_function(ops) do { } while (0)
 # define unregister_ftrace_function(ops) do { } while (0)
 # define clear_ftrace_function(ops) do { } while (0)
+static inline void ftrace_kill_atomic(void) { }
 #endif /* CONFIG_FTRACE */
 
 #ifdef CONFIG_DYNAMIC_FTRACE
-- 
GitLab


From 3989cce82b272bd6312555fcc47c11715c157102 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 9 Jun 2008 20:54:22 +0200
Subject: [PATCH 0460/2224] ftrace: scripts/recordmcount.pl cross-build hack

hack around:

 ld: Relocatable linking with relocations from format elf32-i386 (init/.tmp_gl_calibrate.o) to format elf64-x86-64 (init/.tmp_mx_calibrate.o) i  CC      arch/x86/mm/extable.o
 objcopy: 'init/.tmp_mx_calibrate.o': No such file
 rm: cannot remove `init/.tmp_mx_calibrate.o': No such file or directory
 ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/extable.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_extable.o) is not supported
 mv: cannot stat `arch/x86/mm/.tmp_mx_extable.o': No such file or directory
 ld: Relocatable linking with relocations from format elf32-i386 (arch/x86/mm/fault.o) to format elf64-x86-64 (arch/x86/mm/.tmp_mx_fault.o) is not supported

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/recordmcount.pl | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 44b4b23e91b..e4922a6c963 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -108,6 +108,20 @@ if ($#ARGV < 6) {
 
 my ($arch, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $inputfile) = @ARGV;
 
+if ($arch eq "i386") {
+  $ld = "ld -m elf_i386";
+  $objdump = "objdump -M i386";
+  $objcopy = "objcopy -O elf32-i386";
+  $cc = "gcc -m32";
+}
+
+if ($arch eq "x86_64") {
+  $ld = "ld -m elf_x86_64";
+  $objdump = "objdump -M x86-64";
+  $objcopy = "objcopy -O elf64-x86-64";
+  $cc = "gcc -m64";
+}
+
 $objdump = "objdump" if ((length $objdump) == 0);
 $objcopy = "objcopy" if ((length $objcopy) == 0);
 $cc = "gcc" if ((length $cc) == 0);
-- 
GitLab


From 98a983aad2e5b3dc83a8a761675445cdd8f3e6bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Fri, 15 Aug 2008 21:08:22 +0200
Subject: [PATCH 0461/2224] ftrace: fix some mistakes in error messages

This patch fixes some mistakes on the tracer in warning messages when
debugfs fails to create tracing files.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: srostedt@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 97513c8ecd6..896e59f772c 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3030,12 +3030,12 @@ static __init void tracer_init_debugfs(void)
 	entry = debugfs_create_file("available_tracers", 0444, d_tracer,
 				    &global_trace, &show_traces_fops);
 	if (!entry)
-		pr_warning("Could not create debugfs 'trace' entry\n");
+		pr_warning("Could not create debugfs 'available_tracers' entry\n");
 
 	entry = debugfs_create_file("current_tracer", 0444, d_tracer,
 				    &global_trace, &set_tracer_fops);
 	if (!entry)
-		pr_warning("Could not create debugfs 'trace' entry\n");
+		pr_warning("Could not create debugfs 'current_tracer' entry\n");
 
 	entry = debugfs_create_file("tracing_max_latency", 0644, d_tracer,
 				    &tracing_max_latency,
@@ -3048,7 +3048,7 @@ static __init void tracer_init_debugfs(void)
 				    &tracing_thresh, &tracing_max_lat_fops);
 	if (!entry)
 		pr_warning("Could not create debugfs "
-			   "'tracing_threash' entry\n");
+			   "'tracing_thresh' entry\n");
 	entry = debugfs_create_file("README", 0644, d_tracer,
 				    NULL, &tracing_readme_fops);
 	if (!entry)
@@ -3058,13 +3058,13 @@ static __init void tracer_init_debugfs(void)
 				    NULL, &tracing_pipe_fops);
 	if (!entry)
 		pr_warning("Could not create debugfs "
-			   "'tracing_threash' entry\n");
+			   "'trace_pipe' entry\n");
 
 	entry = debugfs_create_file("trace_entries", 0644, d_tracer,
 				    &global_trace, &tracing_entries_fops);
 	if (!entry)
 		pr_warning("Could not create debugfs "
-			   "'tracing_threash' entry\n");
+			   "'trace_entries' entry\n");
 
 #ifdef CONFIG_DYNAMIC_FTRACE
 	entry = debugfs_create_file("dyn_ftrace_total_info", 0444, d_tracer,
-- 
GitLab


From 00fd61aee10533e003f2f00ab7163207660a4051 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 15 Aug 2008 21:40:04 -0400
Subject: [PATCH 0462/2224] ftrace: do not init module on ftrace disabled

If one of the self tests of ftrace has disabled the function tracer,
do not run the code to convert the mcount calls in modules.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index eadd0eaea9b..11d94f2dc48 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -307,7 +307,7 @@ void ftrace_release(void *start, unsigned long size)
 	unsigned long e = s + size;
 	int i;
 
-	if (!start)
+	if (ftrace_disabled || !start)
 		return;
 
 	/* No interrupt should call this */
@@ -1567,7 +1567,7 @@ static int ftrace_convert_nops(unsigned long *start,
 
 void ftrace_init_module(unsigned long *start, unsigned long *end)
 {
-	if (start == end)
+	if (ftrace_disabled || start == end)
 		return;
 	ftrace_convert_nops(start, end);
 }
-- 
GitLab


From 99ecdc43bc17faf5fa571db8569df171ecd0e5b8 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 15 Aug 2008 21:40:05 -0400
Subject: [PATCH 0463/2224] ftrace: add necessary locking for ftrace records

The new design of pre-recorded mcounts and updating the code outside of
kstop_machine has changed the way the records themselves are protected.

This patch uses the ftrace_lock to protect the records. Note, the lock
still does not need to be taken within calls that are only called via
kstop_machine, since the that code can not run while the spin lock is held.

Also removed the hash_lock needed for the daemon when MCOUNT_RECORD is
configured. Also did a slight cleanup of an unused variable.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 44 +++++++++++++++++++++++++++++--------------
 1 file changed, 30 insertions(+), 14 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 11d94f2dc48..43665add980 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -81,7 +81,7 @@ void clear_ftrace_function(void)
 
 static int __register_ftrace_function(struct ftrace_ops *ops)
 {
-	/* Should never be called by interrupts */
+	/* should not be called from interrupt context */
 	spin_lock(&ftrace_lock);
 
 	ops->next = ftrace_list;
@@ -115,6 +115,7 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops)
 	struct ftrace_ops **p;
 	int ret = 0;
 
+	/* should not be called from interrupt context */
 	spin_lock(&ftrace_lock);
 
 	/*
@@ -153,6 +154,21 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops)
 
 #ifdef CONFIG_DYNAMIC_FTRACE
 
+#ifndef CONFIG_FTRACE_MCOUNT_RECORD
+/*
+ * The hash lock is only needed when the recording of the mcount
+ * callers are dynamic. That is, by the caller themselves and
+ * not recorded via the compilation.
+ */
+static DEFINE_SPINLOCK(ftrace_hash_lock);
+#define ftrace_hash_lock(flags)	  spin_lock_irqsave(ftrace_hash_lock, flags)
+#define ftrace_hash_unlock(flags) spin_lock_irqsave(ftrace_hash_lock, flags)
+#else
+/* This is protected via the ftrace_lock with MCOUNT_RECORD. */
+#define ftrace_hash_lock(flags)   do { (void)flags; } while (0)
+#define ftrace_hash_unlock(flags) do { } while(0)
+#endif
+
 static struct task_struct *ftraced_task;
 
 enum {
@@ -171,7 +187,6 @@ static struct hlist_head ftrace_hash[FTRACE_HASHSIZE];
 
 static DEFINE_PER_CPU(int, ftrace_shutdown_disable_cpu);
 
-static DEFINE_SPINLOCK(ftrace_shutdown_lock);
 static DEFINE_MUTEX(ftraced_lock);
 static DEFINE_MUTEX(ftrace_regex_lock);
 
@@ -310,7 +325,7 @@ void ftrace_release(void *start, unsigned long size)
 	if (ftrace_disabled || !start)
 		return;
 
-	/* No interrupt should call this */
+	/* should not be called from interrupt context */
 	spin_lock(&ftrace_lock);
 
 	for (pg = ftrace_pages_start; pg; pg = pg->next) {
@@ -362,7 +377,6 @@ ftrace_record_ip(unsigned long ip)
 	unsigned long flags;
 	unsigned long key;
 	int resched;
-	int atomic;
 	int cpu;
 
 	if (!ftrace_enabled || ftrace_disabled)
@@ -392,9 +406,7 @@ ftrace_record_ip(unsigned long ip)
 	if (ftrace_ip_in_hash(ip, key))
 		goto out;
 
-	atomic = irqs_disabled();
-
-	spin_lock_irqsave(&ftrace_shutdown_lock, flags);
+	ftrace_hash_lock(flags);
 
 	/* This ip may have hit the hash before the lock */
 	if (ftrace_ip_in_hash(ip, key))
@@ -411,7 +423,7 @@ ftrace_record_ip(unsigned long ip)
 	ftraced_trigger = 1;
 
  out_unlock:
-	spin_unlock_irqrestore(&ftrace_shutdown_lock, flags);
+	ftrace_hash_unlock(flags);
  out:
 	per_cpu(ftrace_shutdown_disable_cpu, cpu)--;
 
@@ -887,6 +899,8 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
 
 	(*pos)++;
 
+	/* should not be called from interrupt context */
+	spin_lock(&ftrace_lock);
  retry:
 	if (iter->idx >= iter->pg->index) {
 		if (iter->pg->next) {
@@ -910,6 +924,7 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
 			goto retry;
 		}
 	}
+	spin_unlock(&ftrace_lock);
 
 	iter->pos = *pos;
 
@@ -1023,8 +1038,8 @@ static void ftrace_filter_reset(int enable)
 	unsigned long type = enable ? FTRACE_FL_FILTER : FTRACE_FL_NOTRACE;
 	unsigned i;
 
-	/* keep kstop machine from running */
-	preempt_disable();
+	/* should not be called from interrupt context */
+	spin_lock(&ftrace_lock);
 	if (enable)
 		ftrace_filtered = 0;
 	pg = ftrace_pages_start;
@@ -1037,7 +1052,7 @@ static void ftrace_filter_reset(int enable)
 		}
 		pg = pg->next;
 	}
-	preempt_enable();
+	spin_unlock(&ftrace_lock);
 }
 
 static int
@@ -1149,8 +1164,8 @@ ftrace_match(unsigned char *buff, int len, int enable)
 		}
 	}
 
-	/* keep kstop machine from running */
-	preempt_disable();
+	/* should not be called from interrupt context */
+	spin_lock(&ftrace_lock);
 	if (enable)
 		ftrace_filtered = 1;
 	pg = ftrace_pages_start;
@@ -1187,7 +1202,7 @@ ftrace_match(unsigned char *buff, int len, int enable)
 		}
 		pg = pg->next;
 	}
-	preempt_enable();
+	spin_unlock(&ftrace_lock);
 }
 
 static ssize_t
@@ -1551,6 +1566,7 @@ static int ftrace_convert_nops(unsigned long *start,
 	p = start;
 	while (p < end) {
 		addr = ftrace_call_adjust(*p++);
+		/* should not be called from interrupt context */
 		spin_lock(&ftrace_lock);
 		ftrace_record_ip(addr);
 		spin_unlock(&ftrace_lock);
-- 
GitLab


From 3700273586ee6a58b95dd07d9f8a02db4a9b476f Mon Sep 17 00:00:00 2001
From: Huang Ying <ying.huang@intel.com>
Date: Mon, 18 Aug 2008 16:24:56 +0800
Subject: [PATCH 0464/2224] ftrace: fix incorrect comment style of
 __ftrace_enabled_save()

This patch fixes incorrect comment style of __ftrace_enabled_save().

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 36c439927ff..8b4cf38c80d 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -99,9 +99,11 @@ static inline void tracer_disable(void)
 #endif
 }
 
-/* Ftrace disable/restore without lock. Some synchronization mechanism
+/*
+ * Ftrace disable/restore without lock. Some synchronization mechanism
  * must be used to prevent ftrace_enabled to be changed between
- * disable/restore. */
+ * disable/restore.
+ */
 static inline int __ftrace_enabled_save(void)
 {
 #ifdef CONFIG_FTRACE
-- 
GitLab


From 6a4917e3ae5194a10e0723f96edc854c381e3063 Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Mon, 18 Aug 2008 15:58:12 -0700
Subject: [PATCH 0465/2224] ftrace: fix build problem with CONFIG_FTRACE

I'm seeing when I use separate src/build dirs:

make[3]: *** [arch/x86/kernel/time_32.o] Error 1
/bin/sh: scripts/recordmcount.pl: No such file or directory
make[3]: *** [arch/x86/kernel/irq_32.o] Error 1
/bin/sh: scripts/recordmcount.pl: No such file or directory
make[3]: *** [arch/x86/kernel/ldt.o] Error 1
/bin/sh: scripts/recordmcount.pl: No such file or directory
make[3]: *** [arch/x86/kernel/i8259.o] Error 1
/bin/sh: scripts/recordmcount.pl: No such file or directory

This fixes it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/Makefile.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 463ddcc583e..232485ec526 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -199,7 +199,7 @@ cmd_modversions =							\
 endif
 
 ifdef CONFIG_FTRACE_MCOUNT_RECORD
-cmd_record_mcount = scripts/recordmcount.pl "$(ARCH)" \
+cmd_record_mcount = $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
 	"$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)";
 endif
 
-- 
GitLab


From d74fcd1e4e8842d5302cd303ef25cef7e67f68b4 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 15 Aug 2008 11:40:24 -0400
Subject: [PATCH 0466/2224] ftrace: update recordmount.pl arch changes

I'm trying to keep all the arch changes in recordmcount.pl in one place.
I moved your code into that area, by adding the flags to the commands
that were passed in.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/recordmcount.pl | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index e4922a6c963..36c8355c555 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -108,20 +108,6 @@ if ($#ARGV < 6) {
 
 my ($arch, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $inputfile) = @ARGV;
 
-if ($arch eq "i386") {
-  $ld = "ld -m elf_i386";
-  $objdump = "objdump -M i386";
-  $objcopy = "objcopy -O elf32-i386";
-  $cc = "gcc -m32";
-}
-
-if ($arch eq "x86_64") {
-  $ld = "ld -m elf_x86_64";
-  $objdump = "objdump -M x86-64";
-  $objcopy = "objcopy -O elf64-x86-64";
-  $cc = "gcc -m64";
-}
-
 $objdump = "objdump" if ((length $objdump) == 0);
 $objcopy = "objcopy" if ((length $objcopy) == 0);
 $cc = "gcc" if ((length $cc) == 0);
@@ -146,11 +132,25 @@ if ($arch eq "x86_64") {
     $function_regex = "<(.*?)>:";
     $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$";
     $type = ".quad";
+
+    # force flags for this arch
+    $ld .= " -m elf_x86_64";
+    $objdump .= " -M x86-64";
+    $objcopy .= " -O elf64-x86-64";
+    $cc .= " -m64";
+
 } elsif ($arch eq "i386") {
     $section_regex = "Disassembly of section";
     $function_regex = "<(.*?)>:";
     $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$";
     $type = ".long";
+
+    # force flags for this arch
+    $ld .= " -m elf_i386";
+    $objdump .= " -M i386";
+    $objcopy .= " -O elf32-i386";
+    $cc .= " -m32";
+
 } else {
     die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
 }
-- 
GitLab


From 8feff1cacc29e9cfdc6d1ce5f2108db87b91046e Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 20 Aug 2008 10:07:35 -0400
Subject: [PATCH 0467/2224] ftrace: handle weak symbol functions

During tests and checks, I've discovered that there were failures to
convert mcount callers into nops. Looking deeper into these failures,
code that was attempted to be changed was not an mcount caller.
The current code only updates if the code being changed is what it expects,
but I still investigate any time there is a failure.

What was happening is that a weak symbol was being used as a reference
for other mcount callers. That weak symbol was also referenced elsewhere
so the offsets were using the strong symbol and not the function symbol
that it was referenced from.

This patch changes the setting up of the mcount_loc section to search
for a global function that is not weak. It will pick a local over a weak
but if only a weak is found in a section, a warning is printed and the
mcount location is not recorded (just to be safe).

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/recordmcount.pl | 106 ++++++++++++++++++++++++++++++++--------
 1 file changed, 86 insertions(+), 20 deletions(-)

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 36c8355c555..1891cf9743f 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -119,17 +119,19 @@ $mv = "mv" if ((length $mv) == 0);
 #print STDERR "running: $P '$arch' '$objdump' '$objcopy' '$cc' '$ld' " .
 #    "'$nm' '$rm' '$mv' '$inputfile'\n";
 
-my %locals;
-my %convert;
+my %locals;		# List of local (static) functions
+my %weak;		# List of weak functions
+my %convert;		# List of local functions used that needs conversion
 
 my $type;
 my $section_regex;	# Find the start of a section
-my $function_regex;	# Find the name of a function (return func name)
+my $function_regex;	# Find the name of a function
+			#    (return offset and func name)
 my $mcount_regex;	# Find the call site to mcount (return offset)
 
 if ($arch eq "x86_64") {
     $section_regex = "Disassembly of section";
-    $function_regex = "<(.*?)>:";
+    $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";
     $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$";
     $type = ".quad";
 
@@ -141,7 +143,7 @@ if ($arch eq "x86_64") {
 
 } elsif ($arch eq "i386") {
     $section_regex = "Disassembly of section";
-    $function_regex = "<(.*?)>:";
+    $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";
     $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$";
     $type = ".long";
 
@@ -158,7 +160,6 @@ if ($arch eq "x86_64") {
 my $text_found = 0;
 my $read_function = 0;
 my $opened = 0;
-my $text = "";
 my $mcount_section = "__mcount_loc";
 
 my $dirname;
@@ -186,46 +187,111 @@ my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s";
 my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o";
 
 #
-# Step 1: find all the local symbols (static functions).
+# Step 1: find all the local (static functions) and weak symbols.
+#        't' is local, 'w/W' is weak (we never use a weak function)
 #
 open (IN, "$nm $inputfile|") || die "error running $nm";
 while (<IN>) {
     if (/^[0-9a-fA-F]+\s+t\s+(\S+)/) {
 	$locals{$1} = 1;
+    } elsif (/^[0-9a-fA-F]+\s+([wW])\s+(\S+)/) {
+	$weak{$2} = $1;
     }
 }
 close(IN);
 
+my @offsets;		# Array of offsets of mcount callers
+my $ref_func;		# reference function to use for offsets
+my $offset = 0;		# offset of ref_func to section beginning
+
+##
+# update_funcs - print out the current mcount callers
+#
+#  Go through the list of offsets to callers and write them to
+#  the output file in a format that can be read by an assembler.
+#
+sub update_funcs
+{
+    return if ($#offsets < 0);
+
+    defined($ref_func) || die "No function to reference";
+
+    # A section only had a weak function, to represent it.
+    # Unfortunately, a weak function may be overwritten by another
+    # function of the same name, making all these offsets incorrect.
+    # To be safe, we simply print a warning and bail.
+    if (defined $weak{$ref_func}) {
+	print STDERR
+	    "$inputfile: WARNING: referencing weak function" .
+	    " $ref_func for mcount\n";
+	return;
+    }
+
+    # is this function static? If so, note this fact.
+    if (defined $locals{$ref_func}) {
+	$convert{$ref_func} = 1;
+    }
+
+    # Loop through all the mcount caller offsets and print a reference
+    # to the caller based from the ref_func.
+    for (my $i=0; $i <= $#offsets; $i++) {
+	if (!$opened) {
+	    open(FILE, ">$mcount_s") || die "can't create $mcount_s\n";
+	    $opened = 1;
+	    print FILE "\t.section $mcount_section,\"a\",\@progbits\n";
+	}
+	printf FILE "\t%s %s + %d\n", $type, $ref_func, $offsets[$i] - $offset;
+    }
+}
+
 #
 # Step 2: find the sections and mcount call sites
 #
 open(IN, "$objdump -dr $inputfile|") || die "error running $objdump";
 
+my $text;
+
 while (<IN>) {
     # is it a section?
     if (/$section_regex/) {
 	$read_function = 1;
+	# print out any recorded offsets
+	update_funcs() if ($text_found);
+
+	# reset all markers and arrays
 	$text_found = 0;
+	undef($ref_func);
+	undef(@offsets);
+
     # section found, now is this a start of a function?
     } elsif ($read_function && /$function_regex/) {
-	$read_function = 0;
 	$text_found = 1;
-	$text = $1;
-	# is this function static? If so, note this fact.
-	if (defined $locals{$text}) {
-	    $convert{$text} = 1;
+	$offset = hex $1;
+	$text = $2;
+
+	# if this is either a local function or a weak function
+	# keep looking for functions that are global that
+	# we can use safely.
+	if (!defined($locals{$text}) && !defined($weak{$text})) {
+	    $ref_func = $text;
+	    $read_function = 0;
+	} else {
+	    # if we already have a function, and this is weak, skip it
+	    if (!defined($ref_func) || !defined($weak{$text})) {
+		$ref_func = $text;
+	    }
 	}
-    # is this a call site to mcount? If so, print the offset from the section
-    } elsif ($text_found && /$mcount_regex/) {
-	if (!$opened) {
-	    open(FILE, ">$mcount_s") || die "can't create $mcount_s\n";
-	    $opened = 1;
-	    print FILE "\t.section $mcount_section,\"a\",\@progbits\n";
-	}
-	print FILE "\t$type $text + 0x$1\n";
+    }
+
+    # is this a call site to mcount? If so, record it to print later
+    if ($text_found && /$mcount_regex/) {
+	$offsets[$#offsets + 1] = hex $1;
     }
 }
 
+# dump out anymore offsets that may have been found
+update_funcs() if ($text_found);
+
 # If we did not find any mcount callers, we are done (do nothing).
 if (!$opened) {
     exit(0);
-- 
GitLab


From 6f93fc076a464bfe24e8d4c5fea3f6ca5bdb264d Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 20 Aug 2008 12:55:07 -0400
Subject: [PATCH 0468/2224] ftrace: x86 use copy to and from user functions

The modification of code is performed either by kstop_machine, before
SMP starts, or on module code before the module is executed. There is
no reason to do the modifications from assembly. The copy to and from
user functions are sufficient and produces cleaner and easier to read
code.

Thanks to Benjamin Herrenschmidt for suggesting the idea.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/ftrace.c | 38 +++++++++++++-------------------------
 1 file changed, 13 insertions(+), 25 deletions(-)

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 4151c91254e..082d9964262 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -11,6 +11,7 @@
 
 #include <linux/spinlock.h>
 #include <linux/hardirq.h>
+#include <linux/uaccess.h>
 #include <linux/ftrace.h>
 #include <linux/percpu.h>
 #include <linux/init.h>
@@ -60,11 +61,7 @@ notrace int
 ftrace_modify_code(unsigned long ip, unsigned char *old_code,
 		   unsigned char *new_code)
 {
-	unsigned replaced;
-	unsigned old = *(unsigned *)old_code; /* 4 bytes */
-	unsigned new = *(unsigned *)new_code; /* 4 bytes */
-	unsigned char newch = new_code[4];
-	int faulted = 0;
+	unsigned char replaced[MCOUNT_INSN_SIZE];
 
 	/*
 	 * Note: Due to modules and __init, code can
@@ -72,29 +69,20 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code,
 	 *  as well as code changing.
 	 *
 	 * No real locking needed, this code is run through
-	 * kstop_machine.
+	 * kstop_machine, or before SMP starts.
 	 */
-	asm volatile (
-		"1: lock\n"
-		"   cmpxchg %3, (%2)\n"
-		"   jnz 2f\n"
-		"   movb %b4, 4(%2)\n"
-		"2:\n"
-		".section .fixup, \"ax\"\n"
-		"3:	movl $1, %0\n"
-		"	jmp 2b\n"
-		".previous\n"
-		_ASM_EXTABLE(1b, 3b)
-		: "=r"(faulted), "=a"(replaced)
-		: "r"(ip), "r"(new), "c"(newch),
-		  "0"(faulted), "a"(old)
-		: "memory");
-	sync_core();
+	if (__copy_from_user(replaced, (char __user *)ip, MCOUNT_INSN_SIZE))
+		return 1;
 
-	if (replaced != old && replaced != new)
-		faulted = 2;
+	if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0)
+		return 2;
 
-	return faulted;
+	WARN_ON_ONCE(__copy_to_user((char __user *)ip, new_code,
+				    MCOUNT_INSN_SIZE));
+
+	sync_core();
+
+	return 0;
 }
 
 notrace int ftrace_update_ftrace_func(ftrace_func_t func)
-- 
GitLab


From 2d7da80f7138c4276ef4fa0334be400b805d0fbf Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 25 Aug 2008 13:08:44 +1000
Subject: [PATCH 0469/2224] ftrace: fix build failure

After disabling FTRACE_MCOUNT_RECORD via a patch, a dormant build
failure surfaced:

 kernel/trace/ftrace.c: In function 'ftrace_record_ip':
 kernel/trace/ftrace.c:416: error: incompatible type for argument 1 of '_spin_lock_irqsave'
 kernel/trace/ftrace.c:433: error: incompatible type for argument 1 of '_spin_lock_irqsave'

Introduced by commit 6dad8e07f4c10b17b038e84d29f3ca41c2e55cd0 ("ftrace:
add necessary locking for ftrace records").

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 43665add980..7599abdf6d4 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -161,8 +161,8 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops)
  * not recorded via the compilation.
  */
 static DEFINE_SPINLOCK(ftrace_hash_lock);
-#define ftrace_hash_lock(flags)	  spin_lock_irqsave(ftrace_hash_lock, flags)
-#define ftrace_hash_unlock(flags) spin_lock_irqsave(ftrace_hash_lock, flags)
+#define ftrace_hash_lock(flags)	  spin_lock_irqsave(&ftrace_hash_lock, flags)
+#define ftrace_hash_unlock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags)
 #else
 /* This is protected via the ftrace_lock with MCOUNT_RECORD. */
 #define ftrace_hash_lock(flags)   do { (void)flags; } while (0)
-- 
GitLab


From ac8825ec6d941b6899331b84c7d6bf027c3bb4f1 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 25 Aug 2008 08:12:04 +0200
Subject: [PATCH 0470/2224] ftrace: clean up macro usage

enclose the argument in parenthesis. (especially since we cast it,
which is a high prio operation)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 7599abdf6d4..969a83f75a3 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -165,7 +165,7 @@ static DEFINE_SPINLOCK(ftrace_hash_lock);
 #define ftrace_hash_unlock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags)
 #else
 /* This is protected via the ftrace_lock with MCOUNT_RECORD. */
-#define ftrace_hash_lock(flags)   do { (void)flags; } while (0)
+#define ftrace_hash_lock(flags)   do { (void)(flags); } while (0)
 #define ftrace_hash_unlock(flags) do { } while(0)
 #endif
 
-- 
GitLab


From f2f8458e751f9ae41dfec3c00a46d3e62dc38f60 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <srostedt@redhat.com>
Date: Mon, 25 Aug 2008 14:52:11 -0400
Subject: [PATCH 0471/2224] ftrace: objcopy version test for local symbols

The --globalize-symbols option came out in objcopy version 2.17.
If the kernel is being compiled on a system with a lower version of
objcopy, then we can not use the globalize / localize trick to
link to symbols pointing to local functions.

This patch tests the version of objcopy and will only use the trick
if the version is greater than or equal to 2.17. Otherwise, if an
object has only local functions within a section, it will give a
nice warning and recommend the user to upgrade their objcopy.

Leaving the symbols unrecorded is not that big of a deal, since the
mcount record method changes the actual mcount code to be a simple
"ret" without recording registers or anything.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/recordmcount.pl | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 1891cf9743f..ee9e1267677 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -186,6 +186,36 @@ if ($filename =~ m,^(.*)(\.\S),) {
 my $mcount_s = $dirname . "/.tmp_mc_" . $prefix . ".s";
 my $mcount_o = $dirname . "/.tmp_mc_" . $prefix . ".o";
 
+#
+# --globalize-symbols came out in 2.17, we must test the version
+# of objcopy, and if it is less than 2.17, then we can not
+# record local functions.
+my $use_locals = 01;
+my $local_warn_once = 0;
+my $found_version = 0;
+
+open (IN, "$objcopy --version |") || die "error running $objcopy";
+while (<IN>) {
+    if (/objcopy.*\s(\d+)\.(\d+)/) {
+	my $major = $1;
+	my $minor = $2;
+
+	$found_version = 1;
+	if ($major < 2 ||
+	    ($major == 2 && $minor < 17)) {
+	    $use_locals = 0;
+	}
+	last;
+    }
+}
+close (IN);
+
+if (!$found_version) {
+    print STDERR "WARNING: could not find objcopy version.\n" .
+	"\tDisabling local function references.\n";
+}
+
+
 #
 # Step 1: find all the local (static functions) and weak symbols.
 #        't' is local, 'w/W' is weak (we never use a weak function)
@@ -229,6 +259,17 @@ sub update_funcs
 
     # is this function static? If so, note this fact.
     if (defined $locals{$ref_func}) {
+
+	# only use locals if objcopy supports globalize-symbols
+	if (!$use_locals) {
+	    print STDERR
+		"$inputfile: WARNING: referencing local function " .
+		"$ref_func for mcount\n" .
+		"\tConsider upgrading objcopy to support the globalize-" .
+		"symbols option.\n"
+		if (!$local_warn_once++);
+	    return;
+	}
 	$convert{$ref_func} = 1;
     }
 
-- 
GitLab


From b3a320417484a6d6b9d28098944df58341353992 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 27 Aug 2008 09:08:30 +0200
Subject: [PATCH 0472/2224] kbuild: ftrace: don't assume that
 scripts/recordmcount.pl is executable

CHK     include/linux/version.h
  CHK     include/linux/utsrelease.h
  CC      scripts/mod/empty.o
/bin/sh: /usr/src/25/scripts/recordmcount.pl: Permission denied

We shouldn't assume that files have their `x' bits set.  There are various
ways in which file permissions get lost, including use of patch(1).

It might not be correct to assume that perl lives in $PATH?

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/Makefile.build | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 232485ec526..5ed4cbf1e0e 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -199,8 +199,9 @@ cmd_modversions =							\
 endif
 
 ifdef CONFIG_FTRACE_MCOUNT_RECORD
-cmd_record_mcount = $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
-	"$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)";
+cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl \
+	"$(ARCH)" "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" \
+	"$(MV)" "$(@)";
 endif
 
 define rule_cc_o_c
-- 
GitLab


From e5a81b629ea8feb9e7530cfac35cfb41c45facf3 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 27 Aug 2008 23:31:01 -0400
Subject: [PATCH 0473/2224] ftrace: add stack tracer

This is another tracer using the ftrace infrastructure, that examines
at each function call the size of the stack. If the stack use is greater
than the previous max it is recorded.

You can always see (and set) the max stack size seen. By setting it
to zero will start the recording again. The backtrace is also available.

For example:

# cat /debug/tracing/stack_max_size
1856

# cat /debug/tracing/stack_trace
[<c027764d>] stack_trace_call+0x8f/0x101
[<c021b966>] ftrace_call+0x5/0x8
[<c02553cc>] clocksource_get_next+0x12/0x48
[<c02542a5>] update_wall_time+0x538/0x6d1
[<c0245913>] do_timer+0x23/0xb0
[<c0257657>] tick_do_update_jiffies64+0xd9/0xf1
[<c02576b9>] tick_sched_timer+0x4a/0xad
[<c0250fe6>] __run_hrtimer+0x3e/0x75
[<c02518ed>] hrtimer_interrupt+0xf1/0x154
[<c022c870>] smp_apic_timer_interrupt+0x71/0x84
[<c021b7e9>] apic_timer_interrupt+0x2d/0x34
[<c0238597>] finish_task_switch+0x29/0xa0
[<c05abd13>] schedule+0x765/0x7be
[<c05abfca>] schedule_timeout+0x1b/0x90
[<c05ab4d4>] wait_for_common+0xab/0x101
[<c05ab5ac>] wait_for_completion+0x12/0x14
[<c033cfc3>] blk_execute_rq+0x84/0x99
[<c0402470>] scsi_execute+0xc2/0x105
[<c040250a>] scsi_execute_req+0x57/0x7f
[<c043afe0>] sr_test_unit_ready+0x3e/0x97
[<c043bbd6>] sr_media_change+0x43/0x205
[<c046b59f>] media_changed+0x48/0x77
[<c046b5ff>] cdrom_media_changed+0x31/0x37
[<c043b091>] sr_block_media_changed+0x16/0x18
[<c02b9e69>] check_disk_change+0x1b/0x63
[<c046f4c3>] cdrom_open+0x7a1/0x806
[<c043b148>] sr_block_open+0x78/0x8d
[<c02ba4c0>] do_open+0x90/0x257
[<c02ba869>] blkdev_open+0x2d/0x56
[<c0296a1f>] __dentry_open+0x14d/0x23c
[<c0296b32>] nameidata_to_filp+0x24/0x38
[<c02a1c68>] do_filp_open+0x347/0x626
[<c02967ef>] do_sys_open+0x47/0xbc
[<c02968b0>] sys_open+0x23/0x2b
[<c021aadd>] sysenter_do_call+0x12/0x26

I've tested this on both x86_64 and i386.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig       |   9 ++
 kernel/trace/Makefile      |   1 +
 kernel/trace/trace_stack.c | 254 +++++++++++++++++++++++++++++++++++++
 3 files changed, 264 insertions(+)
 create mode 100644 kernel/trace/trace_stack.c

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 14d9505178c..2a22e46390d 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -106,6 +106,15 @@ config CONTEXT_SWITCH_TRACER
 	  This tracer gets called from the context switch and records
 	  all switching of tasks.
 
+config STACK_TRACER
+	bool "Trace max stack"
+	depends on HAVE_FTRACE
+	select FTRACE
+	select STACKTRACE
+	help
+	  This tracer records the max stack of the kernel, and displays
+	  it in debugfs/tracing/stack_trace
+
 config DYNAMIC_FTRACE
 	bool "enable/disable ftrace tracepoints dynamically"
 	depends on FTRACE
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 71d17de1728..58ec61c44bd 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_FTRACE) += trace_functions.o
 obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o
 obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o
 obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o
+obj-$(CONFIG_STACK_TRACER) += trace_stack.o
 obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o
 
 libftrace-y := ftrace.o
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
new file mode 100644
index 00000000000..4d1e522e3fe
--- /dev/null
+++ b/kernel/trace/trace_stack.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright (C) 2008 Steven Rostedt <srostedt@redhat.com>
+ *
+ */
+#include <linux/stacktrace.h>
+#include <linux/kallsyms.h>
+#include <linux/seq_file.h>
+#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+#include <linux/debugfs.h>
+#include <linux/ftrace.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#include "trace.h"
+
+#define STACK_TRACE_ENTRIES 500
+
+static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES] =
+	{ [0 ... (STACK_TRACE_ENTRIES-1)] = ULONG_MAX };
+static struct stack_trace max_stack_trace = {
+	.max_entries		= STACK_TRACE_ENTRIES,
+	.entries		= stack_dump_trace,
+};
+
+static unsigned long max_stack_size;
+static raw_spinlock_t max_stack_lock =
+	(raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED;
+
+static int stack_trace_disabled __read_mostly;
+static DEFINE_PER_CPU(int, trace_active);
+
+static inline void check_stack(void)
+{
+	unsigned long this_size;
+	unsigned long flags;
+
+	this_size = ((unsigned long)&this_size) & (THREAD_SIZE-1);
+	this_size = THREAD_SIZE - this_size;
+
+	if (this_size <= max_stack_size)
+		return;
+
+	raw_local_irq_save(flags);
+	__raw_spin_lock(&max_stack_lock);
+
+	/* a race could have already updated it */
+	if (this_size <= max_stack_size)
+		goto out;
+
+	max_stack_size = this_size;
+
+	max_stack_trace.nr_entries	= 0;
+	max_stack_trace.skip		= 1;
+
+	save_stack_trace(&max_stack_trace);
+
+ out:
+	__raw_spin_unlock(&max_stack_lock);
+	raw_local_irq_restore(flags);
+}
+
+static void
+stack_trace_call(unsigned long ip, unsigned long parent_ip)
+{
+	int cpu, resched;
+
+	if (unlikely(!ftrace_enabled || stack_trace_disabled))
+		return;
+
+	resched = need_resched();
+	preempt_disable_notrace();
+
+	cpu = raw_smp_processor_id();
+	/* no atomic needed, we only modify this variable by this cpu */
+	if (per_cpu(trace_active, cpu)++ != 0)
+		goto out;
+
+	check_stack();
+
+ out:
+	per_cpu(trace_active, cpu)--;
+	/* prevent recursion in schedule */
+	if (resched)
+		preempt_enable_no_resched_notrace();
+	else
+		preempt_enable_notrace();
+}
+
+static struct ftrace_ops trace_ops __read_mostly =
+{
+	.func = stack_trace_call,
+};
+
+static ssize_t
+stack_max_size_read(struct file *filp, char __user *ubuf,
+		    size_t count, loff_t *ppos)
+{
+	unsigned long *ptr = filp->private_data;
+	char buf[64];
+	int r;
+
+	r = snprintf(buf, sizeof(buf), "%ld\n", *ptr);
+	if (r > sizeof(buf))
+		r = sizeof(buf);
+	return simple_read_from_buffer(ubuf, count, ppos, buf, r);
+}
+
+static ssize_t
+stack_max_size_write(struct file *filp, const char __user *ubuf,
+		     size_t count, loff_t *ppos)
+{
+	long *ptr = filp->private_data;
+	unsigned long val, flags;
+	char buf[64];
+	int ret;
+
+	if (count >= sizeof(buf))
+		return -EINVAL;
+
+	if (copy_from_user(&buf, ubuf, count))
+		return -EFAULT;
+
+	buf[count] = 0;
+
+	ret = strict_strtoul(buf, 10, &val);
+	if (ret < 0)
+		return ret;
+
+	raw_local_irq_save(flags);
+	__raw_spin_lock(&max_stack_lock);
+	*ptr = val;
+	__raw_spin_unlock(&max_stack_lock);
+	raw_local_irq_restore(flags);
+
+	return count;
+}
+
+static struct file_operations stack_max_size_fops = {
+	.open		= tracing_open_generic,
+	.read		= stack_max_size_read,
+	.write		= stack_max_size_write,
+};
+
+static void *
+t_next(struct seq_file *m, void *v, loff_t *pos)
+{
+	unsigned long *t = m->private;
+
+	(*pos)++;
+
+	if (!t || *t == ULONG_MAX)
+		return NULL;
+
+	t++;
+	m->private = t;
+
+	return t;
+}
+
+static void *t_start(struct seq_file *m, loff_t *pos)
+{
+	unsigned long *t = m->private;
+	loff_t l = 0;
+
+	local_irq_disable();
+	__raw_spin_lock(&max_stack_lock);
+
+	for (; t && l < *pos; t = t_next(m, t, &l))
+		;
+
+	return t;
+}
+
+static void t_stop(struct seq_file *m, void *p)
+{
+	__raw_spin_unlock(&max_stack_lock);
+	local_irq_enable();
+}
+
+static int trace_lookup_stack(struct seq_file *m, unsigned long addr)
+{
+#ifdef CONFIG_KALLSYMS
+	char str[KSYM_SYMBOL_LEN];
+
+	sprint_symbol(str, addr);
+
+	return seq_printf(m, "[<%p>] %s\n", (void*)addr, str);
+#else
+	return seq_printf(m, "%p\n", (void*)addr);
+#endif
+}
+
+static int t_show(struct seq_file *m, void *v)
+{
+	unsigned long *t = v;
+
+	if (!t || *t == ULONG_MAX)
+		return 0;
+
+	trace_lookup_stack(m, *t);
+
+	return 0;
+}
+
+static struct seq_operations stack_trace_seq_ops = {
+	.start		= t_start,
+	.next		= t_next,
+	.stop		= t_stop,
+	.show		= t_show,
+};
+
+static int stack_trace_open(struct inode *inode, struct file *file)
+{
+	int ret;
+
+	ret = seq_open(file, &stack_trace_seq_ops);
+	if (!ret) {
+		struct seq_file *m = file->private_data;
+		m->private = stack_dump_trace;
+	}
+
+	return ret;
+}
+
+static struct file_operations stack_trace_fops = {
+	.open		= stack_trace_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+};
+
+static __init int stack_trace_init(void)
+{
+	struct dentry *d_tracer;
+	struct dentry *entry;
+
+	d_tracer = tracing_init_dentry();
+
+	entry = debugfs_create_file("stack_max_size", 0644, d_tracer,
+				    &max_stack_size, &stack_max_size_fops);
+	if (!entry)
+		pr_warning("Could not create debugfs 'stack_max_size' entry\n");
+
+	entry = debugfs_create_file("stack_trace", 0444, d_tracer,
+				    NULL, &stack_trace_fops);
+	if (!entry)
+		pr_warning("Could not create debugfs 'stack_trace' entry\n");
+
+	register_ftrace_function(&trace_ops);
+
+	return 0;
+}
+
+device_initcall(stack_trace_init);
-- 
GitLab


From 3b47bfc1fca01cccad9cce2d18b79b18ef2e4131 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 27 Aug 2008 23:24:15 -0400
Subject: [PATCH 0474/2224] ftrace: remove direct reference to mcount in trace
 code

The mcount record method of ftrace scans objdump for references to mcount.
Using mcount as the reference to test if the calls to mcount being replaced
are indeed calls to mcount, this use of mcount was also caught as a
location to change. Using a variable that points to the mcount address
moves this reference into the data section that is not scanned, and
we do not use a false location to try and modify.

The warn on code was what was used to detect this bug.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 969a83f75a3..b69966f0f14 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -36,6 +36,14 @@
 int ftrace_enabled __read_mostly;
 static int last_ftrace_enabled;
 
+/*
+ * Since MCOUNT_ADDR may point to mcount itself, we do not want
+ * to get it confused by reading a reference in the code as we
+ * are parsing on objcopy output of text. Use a variable for
+ * it instead.
+ */
+static unsigned long mcount_addr = MCOUNT_ADDR;
+
 /*
  * ftrace_disabled is set when an anomaly is discovered.
  * ftrace_disabled is much stronger than ftrace_enabled.
@@ -577,7 +585,7 @@ ftrace_code_disable(struct dyn_ftrace *rec)
 	ip = rec->ip;
 
 	nop = ftrace_nop_replace();
-	call = ftrace_call_replace(ip, MCOUNT_ADDR);
+	call = ftrace_call_replace(ip, mcount_addr);
 
 	failed = ftrace_modify_code(ip, call, nop);
 	if (failed) {
-- 
GitLab


From d53475b5aa946752e3306b2ecb5a8c9c51cf8dd0 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 27 Aug 2008 13:02:01 -0400
Subject: [PATCH 0475/2224] ftrace: remove warning of old objcopy and local
 functions

The warning messages about old objcopy and local functions spam the
user quite drastically.  Remove the warning until we can find a nicer
way of tell the user to upgrade their objcopy.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/recordmcount.pl | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index ee9e1267677..f56d760bd58 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -262,12 +262,6 @@ sub update_funcs
 
 	# only use locals if objcopy supports globalize-symbols
 	if (!$use_locals) {
-	    print STDERR
-		"$inputfile: WARNING: referencing local function " .
-		"$ref_func for mcount\n" .
-		"\tConsider upgrading objcopy to support the globalize-" .
-		"symbols option.\n"
-		if (!$local_warn_once++);
 	    return;
 	}
 	$convert{$ref_func} = 1;
-- 
GitLab


From 1b6cced6ec9677fa65471e890dfdcb4bf5387643 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 29 Aug 2008 16:51:43 -0400
Subject: [PATCH 0476/2224] ftrace: stack trace add indexes

This patch adds indexes into the stack that the functions in the
stack dump were found at. As an added bonus, I also added a diff
to show which function is the most notorious consumer of the stack.

The output now looks like this:

# cat /debug/tracing/stack_trace
        Depth   Size      Location    (48 entries)
        -----   ----      --------
  0)     2476     212   blk_recount_segments+0x39/0x59
  1)     2264      12   bio_phys_segments+0x16/0x1d
  2)     2252      20   blk_rq_bio_prep+0x23/0xaf
  3)     2232      12   init_request_from_bio+0x74/0x77
  4)     2220      56   __make_request+0x294/0x331
  5)     2164     136   generic_make_request+0x34f/0x37d
  6)     2028      56   submit_bio+0xe7/0xef
  7)     1972      28   submit_bh+0xd1/0xf0
  8)     1944     112   block_read_full_page+0x299/0x2a9
  9)     1832       8   blkdev_readpage+0x14/0x16
 10)     1824      28   read_cache_page_async+0x7e/0x109
 11)     1796      16   read_cache_page+0x11/0x49
 12)     1780      32   read_dev_sector+0x3c/0x72
 13)     1748      48   read_lba+0x4d/0xaa
 14)     1700     168   efi_partition+0x85/0x61b
 15)     1532      72   rescan_partitions+0x10e/0x266
 16)     1460      40   do_open+0x1c7/0x24e
 17)     1420     292   __blkdev_get+0x79/0x84
 18)     1128      12   blkdev_get+0x12/0x14
 19)     1116      20   register_disk+0xd1/0x11e
 20)     1096      28   add_disk+0x34/0x90
 21)     1068      52   sd_probe+0x2b1/0x366
 22)     1016      20   driver_probe_device+0xa5/0x120
 23)      996       8   __device_attach+0xd/0xf
 24)      988      32   bus_for_each_drv+0x3e/0x68
 25)      956      24   device_attach+0x56/0x6c
 26)      932      16   bus_attach_device+0x26/0x4d
 27)      916      64   device_add+0x380/0x4b4
 28)      852      28   scsi_sysfs_add_sdev+0xa1/0x1c9
 29)      824     160   scsi_probe_and_add_lun+0x919/0xa2a
 30)      664      36   __scsi_add_device+0x88/0xae
 31)      628      44   ata_scsi_scan_host+0x9e/0x21c
 32)      584      28   ata_host_register+0x1cb/0x1db
 33)      556      24   ata_host_activate+0x98/0xb5
 34)      532     192   ahci_init_one+0x9bd/0x9e9
 35)      340      20   pci_device_probe+0x3e/0x5e
 36)      320      20   driver_probe_device+0xa5/0x120
 37)      300      20   __driver_attach+0x3f/0x5e
 38)      280      36   bus_for_each_dev+0x40/0x62
 39)      244      12   driver_attach+0x19/0x1b
 40)      232      28   bus_add_driver+0x9c/0x1af
 41)      204      28   driver_register+0x76/0xd2
 42)      176      20   __pci_register_driver+0x44/0x71
 43)      156       8   ahci_init+0x14/0x16
 44)      148     100   _stext+0x42/0x122
 45)       48      20   kernel_init+0x175/0x1dc
 46)       28      28   kernel_thread_helper+0x7/0x10

The first column is simply an index starting from the inner most function
and counting down to the outer most.

The next column is the location that the function was found on the stack.

The next column is the size of the stack for that function.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_stack.c | 90 +++++++++++++++++++++++++++++++-------
 1 file changed, 73 insertions(+), 17 deletions(-)

diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 4d1e522e3fe..74c5d9a3afa 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -16,8 +16,10 @@
 
 #define STACK_TRACE_ENTRIES 500
 
-static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES] =
-	{ [0 ... (STACK_TRACE_ENTRIES-1)] = ULONG_MAX };
+static unsigned long stack_dump_trace[STACK_TRACE_ENTRIES+1] =
+	 { [0 ... (STACK_TRACE_ENTRIES)] = ULONG_MAX };
+static unsigned stack_dump_index[STACK_TRACE_ENTRIES];
+
 static struct stack_trace max_stack_trace = {
 	.max_entries		= STACK_TRACE_ENTRIES,
 	.entries		= stack_dump_trace,
@@ -32,8 +34,9 @@ static DEFINE_PER_CPU(int, trace_active);
 
 static inline void check_stack(void)
 {
-	unsigned long this_size;
-	unsigned long flags;
+	unsigned long this_size, flags;
+	unsigned long *p, *top, *start;
+	int i;
 
 	this_size = ((unsigned long)&this_size) & (THREAD_SIZE-1);
 	this_size = THREAD_SIZE - this_size;
@@ -51,10 +54,42 @@ static inline void check_stack(void)
 	max_stack_size = this_size;
 
 	max_stack_trace.nr_entries	= 0;
-	max_stack_trace.skip		= 1;
+	max_stack_trace.skip		= 3;
 
 	save_stack_trace(&max_stack_trace);
 
+	/*
+	 * Now find where in the stack these are.
+	 */
+	i = 0;
+	start = &this_size;
+	top = (unsigned long *)
+		(((unsigned long)start & ~(THREAD_SIZE-1)) + THREAD_SIZE);
+
+	/*
+	 * Loop through all the entries. One of the entries may
+	 * for some reason be missed on the stack, so we may
+	 * have to account for them. If they are all there, this
+	 * loop will only happen once. This code only takes place
+	 * on a new max, so it is far from a fast path.
+	 */
+	while (i < max_stack_trace.nr_entries) {
+
+		stack_dump_index[i] = this_size;
+		p = start;
+
+		for (; p < top && i < max_stack_trace.nr_entries; p++) {
+			if (*p == stack_dump_trace[i]) {
+				this_size = stack_dump_index[i++] =
+					(top - p) * sizeof(unsigned long);
+				/* Start the search from here */
+				start = p + 1;
+			}
+		}
+
+		i++;
+	}
+
  out:
 	__raw_spin_unlock(&max_stack_lock);
 	raw_local_irq_restore(flags);
@@ -145,22 +180,24 @@ static struct file_operations stack_max_size_fops = {
 static void *
 t_next(struct seq_file *m, void *v, loff_t *pos)
 {
-	unsigned long *t = m->private;
+	long i = (long)m->private;
 
 	(*pos)++;
 
-	if (!t || *t == ULONG_MAX)
+	i++;
+
+	if (i >= max_stack_trace.nr_entries ||
+	    stack_dump_trace[i] == ULONG_MAX)
 		return NULL;
 
-	t++;
-	m->private = t;
+	m->private = (void *)i;
 
-	return t;
+	return &m->private;
 }
 
 static void *t_start(struct seq_file *m, loff_t *pos)
 {
-	unsigned long *t = m->private;
+	void *t = &m->private;
 	loff_t l = 0;
 
 	local_irq_disable();
@@ -178,14 +215,15 @@ static void t_stop(struct seq_file *m, void *p)
 	local_irq_enable();
 }
 
-static int trace_lookup_stack(struct seq_file *m, unsigned long addr)
+static int trace_lookup_stack(struct seq_file *m, long i)
 {
+	unsigned long addr = stack_dump_trace[i];
 #ifdef CONFIG_KALLSYMS
 	char str[KSYM_SYMBOL_LEN];
 
 	sprint_symbol(str, addr);
 
-	return seq_printf(m, "[<%p>] %s\n", (void*)addr, str);
+	return seq_printf(m, "%s\n", str);
 #else
 	return seq_printf(m, "%p\n", (void*)addr);
 #endif
@@ -193,12 +231,30 @@ static int trace_lookup_stack(struct seq_file *m, unsigned long addr)
 
 static int t_show(struct seq_file *m, void *v)
 {
-	unsigned long *t = v;
+	long i = *(long *)v;
+	int size;
+
+	if (i < 0) {
+		seq_printf(m, "        Depth   Size      Location"
+			   "    (%d entries)\n"
+			   "        -----   ----      --------\n",
+			   max_stack_trace.nr_entries);
+		return 0;
+	}
 
-	if (!t || *t == ULONG_MAX)
+	if (i >= max_stack_trace.nr_entries ||
+	    stack_dump_trace[i] == ULONG_MAX)
 		return 0;
 
-	trace_lookup_stack(m, *t);
+	if (i+1 == max_stack_trace.nr_entries ||
+	    stack_dump_trace[i+1] == ULONG_MAX)
+		size = stack_dump_index[i];
+	else
+		size = stack_dump_index[i] - stack_dump_index[i+1];
+
+	seq_printf(m, "%3ld) %8d   %5d   ", i, stack_dump_index[i], size);
+
+	trace_lookup_stack(m, i);
 
 	return 0;
 }
@@ -217,7 +273,7 @@ static int stack_trace_open(struct inode *inode, struct file *file)
 	ret = seq_open(file, &stack_trace_seq_ops);
 	if (!ret) {
 		struct seq_file *m = file->private_data;
-		m->private = stack_dump_trace;
+		m->private = (void *)-1;
 	}
 
 	return ret;
-- 
GitLab


From 2ff01c6a17391225a18256d510b6e5b4aba40aa1 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 4 Sep 2008 15:04:37 +0200
Subject: [PATCH 0477/2224] stack tracer: depends on DEBUG_KERNEL

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 2a22e46390d..5a9cffb0faf 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -109,6 +109,7 @@ config CONTEXT_SWITCH_TRACER
 config STACK_TRACER
 	bool "Trace max stack"
 	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
 	select FTRACE
 	select STACKTRACE
 	help
-- 
GitLab


From a6168353d1c0b24b7512e14d1c3e47ed69881a23 Mon Sep 17 00:00:00 2001
From: Michael Ellerman <michael@ellerman.id.au>
Date: Wed, 20 Aug 2008 16:36:11 -0700
Subject: [PATCH 0478/2224] ftrace: make output nicely spaced for up to 999
 cpus

Currently some of the ftrace output goes skewiff if you have more
than 9 cpus, and some if you have more than 99.

Twiddle with the headers and format strings to make up to 999 cpus
display without causing spacing problems.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 896e59f772c..1801900908e 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1409,21 +1409,21 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
 
 static void print_lat_help_header(struct seq_file *m)
 {
-	seq_puts(m, "#                _------=> CPU#            \n");
-	seq_puts(m, "#               / _-----=> irqs-off        \n");
-	seq_puts(m, "#              | / _----=> need-resched    \n");
-	seq_puts(m, "#              || / _---=> hardirq/softirq \n");
-	seq_puts(m, "#              ||| / _--=> preempt-depth   \n");
-	seq_puts(m, "#              |||| /                      \n");
-	seq_puts(m, "#              |||||     delay             \n");
-	seq_puts(m, "#  cmd     pid ||||| time  |   caller      \n");
-	seq_puts(m, "#     \\   /    |||||   \\   |   /           \n");
+	seq_puts(m, "#                  _------=> CPU#            \n");
+	seq_puts(m, "#                 / _-----=> irqs-off        \n");
+	seq_puts(m, "#                | / _----=> need-resched    \n");
+	seq_puts(m, "#                || / _---=> hardirq/softirq \n");
+	seq_puts(m, "#                ||| / _--=> preempt-depth   \n");
+	seq_puts(m, "#                |||| /                      \n");
+	seq_puts(m, "#                |||||     delay             \n");
+	seq_puts(m, "#  cmd     pid   ||||| time  |   caller      \n");
+	seq_puts(m, "#     \\   /      |||||   \\   |   /           \n");
 }
 
 static void print_func_help_header(struct seq_file *m)
 {
-	seq_puts(m, "#           TASK-PID   CPU#    TIMESTAMP  FUNCTION\n");
-	seq_puts(m, "#              | |      |          |         |\n");
+	seq_puts(m, "#           TASK-PID    CPU#    TIMESTAMP  FUNCTION\n");
+	seq_puts(m, "#              | |       |          |         |\n");
 }
 
 
@@ -1508,7 +1508,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 	comm = trace_find_cmdline(field->pid);
 
 	trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid);
-	trace_seq_printf(s, "%d", cpu);
+	trace_seq_printf(s, "%3d", cpu);
 	trace_seq_printf(s, "%c%c",
 			(field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
 			((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
@@ -1598,7 +1598,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 
 	if (verbose) {
 		comm = trace_find_cmdline(field->pid);
-		trace_seq_printf(s, "%16s %5d %d %d %08x %08x [%08lx]"
+		trace_seq_printf(s, "%16s %5d %3d %d %08x %08x [%08lx]"
 				 " %ld.%03ldms (+%ld.%03ldms): ",
 				 comm,
 				 field->pid, cpu, field->flags,
@@ -1694,7 +1694,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid);
 	if (!ret)
 		return 0;
-	ret = trace_seq_printf(s, "[%02d] ", iter->cpu);
+	ret = trace_seq_printf(s, "[%03d] ", iter->cpu);
 	if (!ret)
 		return 0;
 	ret = trace_seq_printf(s, "%5lu.%06lu: ", secs, usec_rem);
-- 
GitLab


From 652567aa2000f1d4a1fd434382a30d8dd4a7c980 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 3 Sep 2008 17:42:50 -0400
Subject: [PATCH 0479/2224] ftrace: binary and not logical for continue test

Peter Zijlstra provided me with a nice brown paper bag while letting me know
that I was doing a logical AND and not a binary one, making a condition
true more often than it should be.

Luckily, a false true is handled by the calling function and no harm is
done. But this needs to be fixed regardless.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 1801900908e..9639e45f086 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1655,7 +1655,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	case TRACE_PRINT:
 		seq_print_ip_sym(s, field->print.ip, sym_flags);
 		trace_seq_printf(s, ": %s", field->print.buf);
-		if (field->flags && TRACE_FLAG_CONT)
+		if (field->flags & TRACE_FLAG_CONT)
 			trace_seq_print_cont(s, iter);
 		break;
 	default:
@@ -1768,7 +1768,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	case TRACE_PRINT:
 		seq_print_ip_sym(s, field->print.ip, sym_flags);
 		trace_seq_printf(s, ": %s", field->print.buf);
-		if (field->flags && TRACE_FLAG_CONT)
+		if (field->flags & TRACE_FLAG_CONT)
 			trace_seq_print_cont(s, iter);
 		break;
 	}
@@ -1833,7 +1833,7 @@ static int print_raw_fmt(struct trace_iterator *iter)
 	case TRACE_PRINT:
 		trace_seq_printf(s, "# %lx %s",
 				 field->print.ip, field->print.buf);
-		if (field->flags && TRACE_FLAG_CONT)
+		if (field->flags & TRACE_FLAG_CONT)
 			trace_seq_print_cont(s, iter);
 		break;
 	}
-- 
GitLab


From 5a90f577e5369a84b720ead42e621fcb1b8a8b21 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 3 Sep 2008 17:42:51 -0400
Subject: [PATCH 0480/2224] ftrace: print continue index fix

An item in the trace buffer that is bigger than one entry may be split
up using the TRACE_CONT entry. This makes it a virtual single entry.
The current code increments the iterator index even while traversing
TRACE_CONT entries, making it look like the iterator is further than
it actually is.

This patch adds code to not increment the iterator index while skipping
over TRACE_CONT entries.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 9639e45f086..d24101cfc42 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1117,9 +1117,8 @@ trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data,
 }
 
 /* Increment the index counter of an iterator by one */
-static void trace_iterator_increment(struct trace_iterator *iter, int cpu)
+static void __trace_iterator_increment(struct trace_iterator *iter, int cpu)
 {
-	iter->idx++;
 	iter->next_idx[cpu]++;
 	iter->next_page_idx[cpu]++;
 
@@ -1132,6 +1131,12 @@ static void trace_iterator_increment(struct trace_iterator *iter, int cpu)
 	}
 }
 
+static void trace_iterator_increment(struct trace_iterator *iter, int cpu)
+{
+	iter->idx++;
+	__trace_iterator_increment(iter, cpu);
+}
+
 static struct trace_entry *
 trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data,
 		 struct trace_iterator *iter, int cpu)
@@ -1153,7 +1158,7 @@ trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data,
 
 	/* find a real entry */
 	do {
-		trace_iterator_increment(iter, cpu);
+		__trace_iterator_increment(iter, cpu);
 		ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu);
 	} while (ent && ent->type != TRACE_CONT);
 
@@ -1187,7 +1192,7 @@ __find_next_entry(struct trace_iterator *iter, int *ent_cpu, int inc)
 				ent = trace_entry_next(tr, data, iter, cpu);
 			else {
 				while (ent && ent->type == TRACE_CONT) {
-					trace_iterator_increment(iter, cpu);
+					__trace_iterator_increment(iter, cpu);
 					ent = trace_entry_idx(tr, tr->data[cpu],
 							      iter, cpu);
 				}
@@ -1566,7 +1571,7 @@ trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 
 	do {
 		trace_seq_printf(s, "%s", ent->cont.buf);
-		trace_iterator_increment(iter, iter->cpu);
+		__trace_iterator_increment(iter, iter->cpu);
 		ent = trace_entry_idx(tr, data, iter, iter->cpu);
 	} while (ent && ent->type == TRACE_CONT);
 }
-- 
GitLab


From f09ce573f57ddc35c67b39e51f34545877b30031 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Thu, 4 Sep 2008 10:24:14 +0200
Subject: [PATCH 0481/2224] ftrace: make ftrace_printk usable with the other
 tracers

Currently ftrace_printk only works with the ftrace tracer, switch it to an
iter_ctrl setting so we can make us of them with other tracers too.

[rostedt@redhat.com: tweak to the disable condition]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 8 +++++---
 kernel/trace/trace.h | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d24101cfc42..8a00d6c5c0f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -235,6 +235,7 @@ static const char *trace_options[] = {
 	"block",
 	"stacktrace",
 	"sched-tree",
+	"ftrace_printk",
 	NULL
 };
 
@@ -3091,9 +3092,10 @@ static __init void tracer_init_debugfs(void)
 
 int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 {
-	struct trace_array *tr = &global_trace;
 	static DEFINE_SPINLOCK(trace_buf_lock);
 	static char trace_buf[TRACE_BUF_SIZE];
+
+	struct trace_array *tr = &global_trace;
 	struct trace_array_cpu *data;
 	struct trace_entry *entry;
 	unsigned long flags;
@@ -3101,7 +3103,7 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 	va_list ap;
 	int cpu, len = 0, write, written = 0;
 
-	if (likely(!ftrace_function_enabled))
+	if (!(trace_flags & TRACE_ITER_PRINTK) || !tr->ctrl || tracing_disabled)
 		return 0;
 
 	local_irq_save(flags);
@@ -3109,7 +3111,7 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 	data = tr->data[cpu];
 	disabled = atomic_inc_return(&data->disabled);
 
-	if (unlikely(disabled != 1 || !ftrace_function_enabled))
+	if (unlikely(disabled != 1))
 		goto out;
 
 	spin_lock(&trace_buf_lock);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 50b6d7a6f01..5f54c875c8b 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -356,6 +356,7 @@ enum trace_iterator_flags {
 	TRACE_ITER_BLOCK		= 0x80,
 	TRACE_ITER_STACKTRACE		= 0x100,
 	TRACE_ITER_SCHED_TREE		= 0x200,
+	TRACE_ITER_PRINTK		= 0x400,
 };
 
 #endif /* _LINUX_KERNEL_TRACE_H */
-- 
GitLab


From 80b5e940050c273ba277acbf3a9fbc1d4441e681 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Thu, 4 Sep 2008 10:24:16 +0200
Subject: [PATCH 0482/2224] ftrace: sched_switch: show the wakee's cpu

While profiling the smp behaviour of the scheduler it was needed to know to
which cpu a task got woken.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 12 +++++++++---
 kernel/trace/trace.h |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8a00d6c5c0f..7e6cb4fe62f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -977,6 +977,7 @@ tracing_sched_switch_trace(struct trace_array *tr,
 	entry->field.ctx.next_pid	= next->pid;
 	entry->field.ctx.next_prio	= next->prio;
 	entry->field.ctx.next_state	= next->state;
+	entry->field.ctx.next_cpu	= task_cpu(next);
 	__trace_stack(tr, data, flags, 5);
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
@@ -1003,6 +1004,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 	entry->field.ctx.next_pid	= wakee->pid;
 	entry->field.ctx.next_prio	= wakee->prio;
 	entry->field.ctx.next_state	= wakee->state;
+	entry->field.ctx.next_cpu	= task_cpu(wakee);
 	__trace_stack(tr, data, flags, 6);
 	__raw_spin_unlock(&data->lock);
 	raw_local_irq_restore(irq_flags);
@@ -1636,10 +1638,11 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 			__ffs(field->ctx.prev_state) + 1 : 0;
 		S = state < sizeof(state_to_char) - 1 ? state_to_char[state] : 'X';
 		comm = trace_find_cmdline(field->ctx.next_pid);
-		trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c %s\n",
+		trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n",
 				 field->ctx.prev_pid,
 				 field->ctx.prev_prio,
 				 S, entry->type == TRACE_CTX ? "==>" : "  +",
+				 field->ctx.next_cpu,
 				 field->ctx.next_pid,
 				 field->ctx.next_prio,
 				 T, comm);
@@ -1736,11 +1739,12 @@ static int print_trace_fmt(struct trace_iterator *iter)
 			state_to_char[field->ctx.prev_state] : 'X';
 		T = field->ctx.next_state < sizeof(state_to_char) ?
 			state_to_char[field->ctx.next_state] : 'X';
-		ret = trace_seq_printf(s, " %5d:%3d:%c %s %5d:%3d:%c\n",
+		ret = trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c\n",
 				       field->ctx.prev_pid,
 				       field->ctx.prev_prio,
 				       S,
 				       entry->type == TRACE_CTX ? "==>" : "  +",
+				       field->ctx.next_cpu,
 				       field->ctx.next_pid,
 				       field->ctx.next_prio,
 				       T);
@@ -1817,10 +1821,11 @@ static int print_raw_fmt(struct trace_iterator *iter)
 			state_to_char[field->ctx.next_state] : 'X';
 		if (entry->type == TRACE_WAKE)
 			S = '+';
-		ret = trace_seq_printf(s, "%d %d %c %d %d %c\n",
+		ret = trace_seq_printf(s, "%d %d %c %d %d %d %c\n",
 				       field->ctx.prev_pid,
 				       field->ctx.prev_prio,
 				       S,
+				       field->ctx.next_cpu,
 				       field->ctx.next_pid,
 				       field->ctx.next_prio,
 				       T);
@@ -1893,6 +1898,7 @@ static int print_hex_fmt(struct trace_iterator *iter)
 		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_pid);
 		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_prio);
 		SEQ_PUT_HEX_FIELD_RET(s, S);
+		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_cpu);
 		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_pid);
 		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_prio);
 		SEQ_PUT_HEX_FIELD_RET(s, T);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 5f54c875c8b..77c265f6a77 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -41,6 +41,7 @@ struct ctx_switch_entry {
 	unsigned int		next_pid;
 	unsigned char		next_prio;
 	unsigned char		next_state;
+	unsigned int		next_cpu;
 };
 
 /*
-- 
GitLab


From d3ee6d992821f471193a7ee7a00af9ebb4bf5d01 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 4 Sep 2008 14:04:51 +0200
Subject: [PATCH 0483/2224] ftrace: make it depend on DEBUG_KERNEL

make most of the tracers depend on DEBUG_KERNEL - that's their intended
purpose. (most distributions have DEBUG_KERNEL enabled anyway so this is
not a practical limitation - but it simplifies the tracing menu in the
normal case)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 5a9cffb0faf..16e5bb5daaa 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -22,6 +22,7 @@ config TRACING
 config FTRACE
 	bool "Kernel Function Tracer"
 	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
 	select FRAME_POINTER
 	select TRACING
 	select CONTEXT_SWITCH_TRACER
@@ -40,6 +41,7 @@ config IRQSOFF_TRACER
 	depends on TRACE_IRQFLAGS_SUPPORT
 	depends on GENERIC_TIME
 	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
 	select TRACE_IRQFLAGS
 	select TRACING
 	select TRACER_MAX_TRACE
@@ -63,6 +65,7 @@ config PREEMPT_TRACER
 	depends on GENERIC_TIME
 	depends on PREEMPT
 	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
 	select TRACING
 	select TRACER_MAX_TRACE
 	help
@@ -90,6 +93,7 @@ config SYSPROF_TRACER
 config SCHED_TRACER
 	bool "Scheduling Latency Tracer"
 	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
 	select TRACING
 	select CONTEXT_SWITCH_TRACER
 	select TRACER_MAX_TRACE
@@ -100,6 +104,7 @@ config SCHED_TRACER
 config CONTEXT_SWITCH_TRACER
 	bool "Trace process context switches"
 	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
 	select TRACING
 	select MARKERS
 	help
@@ -120,6 +125,7 @@ config DYNAMIC_FTRACE
 	bool "enable/disable ftrace tracepoints dynamically"
 	depends on FTRACE
 	depends on HAVE_DYNAMIC_FTRACE
+	depends on DEBUG_KERNEL
 	default y
 	help
          This option will modify all the calls to ftrace dynamically
@@ -146,6 +152,7 @@ config FTRACE_SELFTEST
 config FTRACE_STARTUP_TEST
 	bool "Perform a startup test on ftrace"
 	depends on TRACING
+	depends on DEBUG_KERNEL
 	select FTRACE_SELFTEST
 	help
 	  This option performs a series of startup tests on ftrace. On bootup
-- 
GitLab


From c0719e5a4b1ccc04180b7a7b71095c9fb7131919 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Sat, 6 Sep 2008 01:06:03 -0400
Subject: [PATCH 0484/2224] ftrace: use ftrace_release for all dynamic ftrace
 functions

ftrace_release is necessary for all uses of dynamic ftrace and not just
the archs that have CONFIG_FTRACE_MCOUNT_RECORD defined.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 8b4cf38c80d..5de9903645d 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -77,8 +77,10 @@ extern void mcount_call(void);
 
 extern int skip_trace(unsigned long ip);
 
-void ftrace_disable_daemon(void);
-void ftrace_enable_daemon(void);
+extern void ftrace_release(void *start, unsigned long size);
+
+extern void ftrace_disable_daemon(void);
+extern void ftrace_enable_daemon(void);
 
 #else
 # define skip_trace(ip)				({ 0; })
@@ -86,6 +88,7 @@ void ftrace_enable_daemon(void);
 # define ftrace_set_filter(buf, len, reset)	do { } while (0)
 # define ftrace_disable_daemon()		do { } while (0)
 # define ftrace_enable_daemon()			do { } while (0)
+static inline void ftrace_release(void *start, unsigned long size) { }
 #endif /* CONFIG_DYNAMIC_FTRACE */
 
 /* totally disable ftrace - can not re-enable after this */
@@ -199,12 +202,10 @@ static inline void ftrace_dump(void) { }
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
 extern void ftrace_init(void);
 extern void ftrace_init_module(unsigned long *start, unsigned long *end);
-extern void ftrace_release(void *start, unsigned long size);
 #else
 static inline void ftrace_init(void) { }
 static inline void
 ftrace_init_module(unsigned long *start, unsigned long *end) { }
-static inline void ftrace_release(void *start, unsigned long size) { }
 #endif
 
 
-- 
GitLab


From 644f991d4b920ab1f5043509651479420b293490 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Sat, 6 Sep 2008 01:06:04 -0400
Subject: [PATCH 0485/2224] ftrace: fix unlocking of hash

This must be brown paper bag week for Steven Rostedt!

While working on ftrace for PPC, I discovered that the hash locking done
when CONFIG_FTRACE_MCOUNT_RECORD is not set, is totally incorrect.

With a cut and paste error, I had the hash lock macro to lock for both
hash_lock _and_ hash_unlock!

This bug did not affect x86 since this bug was introduced when
CONFIG_FTRACE_MCOUNT_RECORD was added to x86.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index b69966f0f14..c9e09d86e1d 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -170,7 +170,8 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops)
  */
 static DEFINE_SPINLOCK(ftrace_hash_lock);
 #define ftrace_hash_lock(flags)	  spin_lock_irqsave(&ftrace_hash_lock, flags)
-#define ftrace_hash_unlock(flags) spin_lock_irqsave(&ftrace_hash_lock, flags)
+#define ftrace_hash_unlock(flags) \
+			spin_unlock_irqrestore(&ftrace_hash_lock, flags)
 #else
 /* This is protected via the ftrace_lock with MCOUNT_RECORD. */
 #define ftrace_hash_lock(flags)   do { (void)(flags); } while (0)
-- 
GitLab


From bbe5c7830c6dbde58726d44ec0337bc8b2d95d37 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Tue, 16 Sep 2008 21:54:16 +0300
Subject: [PATCH 0486/2224] x86 mmiotrace: fix a rare memory leak

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/mmio-mod.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index 635b50e8558..754bd1eaf4f 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -307,8 +307,10 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
 	map.map_id = trace->id;
 
 	spin_lock_irq(&trace_lock);
-	if (!is_enabled())
+	if (!is_enabled()) {
+		kfree(trace);
 		goto not_enabled;
+	}
 
 	mmio_trace_mapping(&map);
 	list_add_tail(&trace->list, &trace_list);
-- 
GitLab


From 45dcd8b8a8ca855591e3ac882d3a7fc255d09d43 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Tue, 16 Sep 2008 21:56:41 +0300
Subject: [PATCH 0487/2224] ftrace: move mmiotrace functions out of trace.c

Moves the mmiotrace specific functions from trace.c to
trace_mmiotrace.c. Functions trace_wake_up(), tracing_get_trace_entry(),
and tracing_generic_entry_update() are therefore made available outside
trace.c.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c           | 46 ++--------------------------------
 kernel/trace/trace.h           | 15 +++++------
 kernel/trace/trace_mmiotrace.c | 42 +++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+), 53 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 7e6cb4fe62f..d372bc53596 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -785,7 +785,7 @@ trace_next_page(struct trace_array_cpu *data, void *addr)
 	return page_address(page);
 }
 
-static inline struct trace_entry *
+struct trace_entry *
 tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
 {
 	unsigned long idx, idx_next;
@@ -821,7 +821,7 @@ tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
 	return entry;
 }
 
-static inline void
+void
 tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
 {
 	struct task_struct *tsk = current;
@@ -865,48 +865,6 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
 		trace_function(tr, data, ip, parent_ip, flags);
 }
 
-#ifdef CONFIG_MMIOTRACE
-void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data,
-						struct mmiotrace_rw *rw)
-{
-	struct trace_entry *entry;
-	unsigned long irq_flags;
-
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-
-	entry				= tracing_get_trace_entry(tr, data);
-	tracing_generic_entry_update(entry, 0);
-	entry->type			= TRACE_MMIO_RW;
-	entry->field.mmiorw		= *rw;
-
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
-
-	trace_wake_up();
-}
-
-void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data,
-						struct mmiotrace_map *map)
-{
-	struct trace_entry *entry;
-	unsigned long irq_flags;
-
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-
-	entry				= tracing_get_trace_entry(tr, data);
-	tracing_generic_entry_update(entry, 0);
-	entry->type			= TRACE_MMIO_MAP;
-	entry->field.mmiomap		= *map;
-
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
-
-	trace_wake_up();
-}
-#endif
-
 void __trace_stack(struct trace_array *tr,
 		   struct trace_array_cpu *data,
 		   unsigned long flags,
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 77c265f6a77..9d39aa00a9c 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -213,11 +213,17 @@ struct trace_iterator {
 	long			idx;
 };
 
+void trace_wake_up(void);
 void tracing_reset(struct trace_array_cpu *data);
 int tracing_open_generic(struct inode *inode, struct file *filp);
 struct dentry *tracing_init_dentry(void);
 void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
 
+struct trace_entry *tracing_get_trace_entry(struct trace_array *tr,
+						struct trace_array_cpu *data);
+void tracing_generic_entry_update(struct trace_entry *entry,
+						unsigned long flags);
+
 void ftrace(struct trace_array *tr,
 			    struct trace_array_cpu *data,
 			    unsigned long ip,
@@ -291,15 +297,6 @@ extern unsigned long ftrace_update_tot_cnt;
 extern int DYN_FTRACE_TEST_NAME(void);
 #endif
 
-#ifdef CONFIG_MMIOTRACE
-extern void __trace_mmiotrace_rw(struct trace_array *tr,
-				struct trace_array_cpu *data,
-				struct mmiotrace_rw *rw);
-extern void __trace_mmiotrace_map(struct trace_array *tr,
-				struct trace_array_cpu *data,
-				struct mmiotrace_map *map);
-#endif
-
 #ifdef CONFIG_FTRACE_STARTUP_TEST
 #ifdef CONFIG_FTRACE
 extern int trace_selftest_startup_function(struct tracer *trace,
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 9b7a936f4b1..ef02747b26d 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -276,6 +276,27 @@ __init static int init_mmio_trace(void)
 }
 device_initcall(init_mmio_trace);
 
+static void __trace_mmiotrace_rw(struct trace_array *tr,
+				struct trace_array_cpu *data,
+				struct mmiotrace_rw *rw)
+{
+	struct trace_entry *entry;
+	unsigned long irq_flags;
+
+	raw_local_irq_save(irq_flags);
+	__raw_spin_lock(&data->lock);
+
+	entry				= tracing_get_trace_entry(tr, data);
+	tracing_generic_entry_update(entry, 0);
+	entry->type			= TRACE_MMIO_RW;
+	entry->field.mmiorw		= *rw;
+
+	__raw_spin_unlock(&data->lock);
+	raw_local_irq_restore(irq_flags);
+
+	trace_wake_up();
+}
+
 void mmio_trace_rw(struct mmiotrace_rw *rw)
 {
 	struct trace_array *tr = mmio_trace_array;
@@ -283,6 +304,27 @@ void mmio_trace_rw(struct mmiotrace_rw *rw)
 	__trace_mmiotrace_rw(tr, data, rw);
 }
 
+static void __trace_mmiotrace_map(struct trace_array *tr,
+				struct trace_array_cpu *data,
+				struct mmiotrace_map *map)
+{
+	struct trace_entry *entry;
+	unsigned long irq_flags;
+
+	raw_local_irq_save(irq_flags);
+	__raw_spin_lock(&data->lock);
+
+	entry				= tracing_get_trace_entry(tr, data);
+	tracing_generic_entry_update(entry, 0);
+	entry->type			= TRACE_MMIO_MAP;
+	entry->field.mmiomap		= *map;
+
+	__raw_spin_unlock(&data->lock);
+	raw_local_irq_restore(irq_flags);
+
+	trace_wake_up();
+}
+
 void mmio_trace_mapping(struct mmiotrace_map *map)
 {
 	struct trace_array *tr = mmio_trace_array;
-- 
GitLab


From 801fe40001dfc263848552fb28924b766ed44ea4 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Tue, 16 Sep 2008 21:58:24 +0300
Subject: [PATCH 0488/2224] ftrace: add trace_vprintk()

trace_vprintk() for easier implementation of tracer specific *_printk
functions. Add check check for no_tracer, and implement
__ftrace_printk() as a wrapper.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 24 ++++++++++++++++++------
 kernel/trace/trace.h |  1 +
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d372bc53596..406de9cf282 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3054,7 +3054,7 @@ static __init void tracer_init_debugfs(void)
 	(sizeof(struct trace_field) - offsetof(struct trace_field, print.buf))
 #define TRACE_CONT_BUF_SIZE sizeof(struct trace_field)
 
-int __ftrace_printk(unsigned long ip, const char *fmt, ...)
+int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 {
 	static DEFINE_SPINLOCK(trace_buf_lock);
 	static char trace_buf[TRACE_BUF_SIZE];
@@ -3064,10 +3064,9 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 	struct trace_entry *entry;
 	unsigned long flags;
 	long disabled;
-	va_list ap;
 	int cpu, len = 0, write, written = 0;
 
-	if (!(trace_flags & TRACE_ITER_PRINTK) || !tr->ctrl || tracing_disabled)
+	if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled)
 		return 0;
 
 	local_irq_save(flags);
@@ -3079,9 +3078,7 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 		goto out;
 
 	spin_lock(&trace_buf_lock);
-	va_start(ap, fmt);
-	len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, ap);
-	va_end(ap);
+	len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, args);
 
 	len = min(len, TRACE_BUF_SIZE-1);
 	trace_buf[len] = 0;
@@ -3120,6 +3117,21 @@ int __ftrace_printk(unsigned long ip, const char *fmt, ...)
 
 	return len;
 }
+EXPORT_SYMBOL_GPL(trace_vprintk);
+
+int __ftrace_printk(unsigned long ip, const char *fmt, ...)
+{
+	int ret;
+	va_list ap;
+
+	if (!(trace_flags & TRACE_ITER_PRINTK))
+		return 0;
+
+	va_start(ap, fmt);
+	ret = trace_vprintk(ip, fmt, ap);
+	va_end(ap);
+	return ret;
+}
 EXPORT_SYMBOL_GPL(__ftrace_printk);
 
 static int trace_panic_handler(struct notifier_block *this,
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 9d39aa00a9c..be3b3cf95f4 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -333,6 +333,7 @@ extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
 extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
 				 size_t cnt);
 extern long ns2usecs(cycle_t nsec);
+extern int trace_vprintk(unsigned long ip, const char *fmt, va_list args);
 
 extern unsigned long trace_flags;
 
-- 
GitLab


From 9e57fb35d711331a9b1410c5c56ebeb3733428a0 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Tue, 16 Sep 2008 22:00:34 +0300
Subject: [PATCH 0489/2224] x86 mmiotrace: implement mmiotrace_printk()

Offer mmiotrace users a function to inject markers from inside the kernel.
This depends on the trace_vprintk() patch.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/mmio-mod.c         | 19 ++++++++++++++++++-
 arch/x86/mm/testmmiotrace.c    |  4 ++++
 include/linux/mmiotrace.h      | 17 +++++++++++++++--
 kernel/trace/trace_mmiotrace.c |  5 +++++
 4 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index 754bd1eaf4f..5e2e2e72ee8 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -75,7 +75,7 @@ static LIST_HEAD(trace_list);		/* struct remap_trace */
  *   and trace_lock.
  * - Routines depending on is_enabled() must take trace_lock.
  * - trace_list users must hold trace_lock.
- * - is_enabled() guarantees that mmio_trace_record is allowed.
+ * - is_enabled() guarantees that mmio_trace_{rw,mapping} are allowed.
  * - pre/post callbacks assume the effect of is_enabled() being true.
  */
 
@@ -379,6 +379,23 @@ void mmiotrace_iounmap(volatile void __iomem *addr)
 		iounmap_trace_core(addr);
 }
 
+int mmiotrace_printk(const char *fmt, ...)
+{
+	int ret = 0;
+	va_list args;
+	unsigned long flags;
+	va_start(args, fmt);
+
+	spin_lock_irqsave(&trace_lock, flags);
+	if (is_enabled())
+		ret = mmio_trace_printk(fmt, args);
+	spin_unlock_irqrestore(&trace_lock, flags);
+
+	va_end(args);
+	return ret;
+}
+EXPORT_SYMBOL(mmiotrace_printk);
+
 static void clear_trace_list(void)
 {
 	struct remap_trace *trace;
diff --git a/arch/x86/mm/testmmiotrace.c b/arch/x86/mm/testmmiotrace.c
index d877c5b423e..ab50a8d7402 100644
--- a/arch/x86/mm/testmmiotrace.c
+++ b/arch/x86/mm/testmmiotrace.c
@@ -3,6 +3,7 @@
  */
 #include <linux/module.h>
 #include <linux/io.h>
+#include <linux/mmiotrace.h>
 
 #define MODULE_NAME "testmmiotrace"
 
@@ -13,6 +14,7 @@ MODULE_PARM_DESC(mmio_address, "Start address of the mapping of 16 kB.");
 static void do_write_test(void __iomem *p)
 {
 	unsigned int i;
+	mmiotrace_printk("Write test.\n");
 	for (i = 0; i < 256; i++)
 		iowrite8(i, p + i);
 	for (i = 1024; i < (5 * 1024); i += 2)
@@ -24,6 +26,7 @@ static void do_write_test(void __iomem *p)
 static void do_read_test(void __iomem *p)
 {
 	unsigned int i;
+	mmiotrace_printk("Read test.\n");
 	for (i = 0; i < 256; i++)
 		ioread8(p + i);
 	for (i = 1024; i < (5 * 1024); i += 2)
@@ -39,6 +42,7 @@ static void do_test(void)
 		pr_err(MODULE_NAME ": could not ioremap, aborting.\n");
 		return;
 	}
+	mmiotrace_printk("ioremap returned %p.\n", p);
 	do_write_test(p);
 	do_read_test(p);
 	iounmap(p);
diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h
index 61d19e1b7a0..60cc3bf5c53 100644
--- a/include/linux/mmiotrace.h
+++ b/include/linux/mmiotrace.h
@@ -34,11 +34,15 @@ extern void unregister_kmmio_probe(struct kmmio_probe *p);
 /* Called from page fault handler. */
 extern int kmmio_handler(struct pt_regs *regs, unsigned long addr);
 
-/* Called from ioremap.c */
 #ifdef CONFIG_MMIOTRACE
+/* Called from ioremap.c */
 extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size,
 							void __iomem *addr);
 extern void mmiotrace_iounmap(volatile void __iomem *addr);
+
+/* For anyone to insert markers. Remember trailing newline. */
+extern int mmiotrace_printk(const char *fmt, ...)
+				__attribute__ ((format (printf, 1, 2)));
 #else
 static inline void mmiotrace_ioremap(resource_size_t offset,
 					unsigned long size, void __iomem *addr)
@@ -48,7 +52,15 @@ static inline void mmiotrace_ioremap(resource_size_t offset,
 static inline void mmiotrace_iounmap(volatile void __iomem *addr)
 {
 }
-#endif /* CONFIG_MMIOTRACE_HOOKS */
+
+static inline int mmiotrace_printk(const char *fmt, ...)
+				__attribute__ ((format (printf, 1, 0)));
+
+static inline int mmiotrace_printk(const char *fmt, ...)
+{
+	return 0;
+}
+#endif /* CONFIG_MMIOTRACE */
 
 enum mm_io_opcode {
 	MMIO_READ = 0x1,     /* struct mmiotrace_rw */
@@ -81,5 +93,6 @@ extern void enable_mmiotrace(void);
 extern void disable_mmiotrace(void);
 extern void mmio_trace_rw(struct mmiotrace_rw *rw);
 extern void mmio_trace_mapping(struct mmiotrace_map *map);
+extern int mmio_trace_printk(const char *fmt, va_list args);
 
 #endif /* MMIOTRACE_H */
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index ef02747b26d..767d1faf56e 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -335,3 +335,8 @@ void mmio_trace_mapping(struct mmiotrace_map *map)
 	__trace_mmiotrace_map(tr, data, map);
 	preempt_enable();
 }
+
+int mmio_trace_printk(const char *fmt, va_list args)
+{
+	return trace_vprintk(0, fmt, args);
+}
-- 
GitLab


From fc5e27ae4b45a0619701a83f30d9b7fad7ed9400 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Tue, 16 Sep 2008 22:02:27 +0300
Subject: [PATCH 0490/2224] mmiotrace: handle TRACE_PRINT entries

Also make trace_seq_print_cont() non-static, and add a newline if the
seq buffer can't hold all data.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c           | 31 +++++++++++--------------------
 kernel/trace/trace.h           | 19 +++++++++++++++++++
 kernel/trace/trace_mmiotrace.c | 23 +++++++++++++++++++++++
 3 files changed, 53 insertions(+), 20 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 406de9cf282..7e7154f7700 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -199,23 +199,6 @@ unsigned long nsecs_to_usecs(unsigned long nsecs)
 	return nsecs / 1000;
 }
 
-/*
- * trace_flag_type is an enumeration that holds different
- * states when a trace occurs. These are:
- *  IRQS_OFF	- interrupts were disabled
- *  NEED_RESCED - reschedule is requested
- *  HARDIRQ	- inside an interrupt handler
- *  SOFTIRQ	- inside a softirq handler
- *  CONT	- multiple entries hold the trace item
- */
-enum trace_flag_type {
-	TRACE_FLAG_IRQS_OFF		= 0x01,
-	TRACE_FLAG_NEED_RESCHED		= 0x02,
-	TRACE_FLAG_HARDIRQ		= 0x04,
-	TRACE_FLAG_SOFTIRQ		= 0x08,
-	TRACE_FLAG_CONT			= 0x10,
-};
-
 /*
  * TRACE_ITER_SYM_MASK masks the options in trace_flags that
  * control the output of kernel symbols.
@@ -1517,12 +1500,16 @@ lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs,
 
 static const char state_to_char[] = TASK_STATE_TO_CHAR_STR;
 
-static void
-trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
+/*
+ * The message is supposed to contain an ending newline.
+ * If the printing stops prematurely, try to add a newline of our own.
+ */
+void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 {
 	struct trace_array *tr = iter->tr;
 	struct trace_array_cpu *data = tr->data[iter->cpu];
 	struct trace_entry *ent;
+	bool ok = true;
 
 	ent = trace_entry_idx(tr, data, iter, iter->cpu);
 	if (!ent || ent->type != TRACE_CONT) {
@@ -1531,10 +1518,14 @@ trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 	}
 
 	do {
-		trace_seq_printf(s, "%s", ent->cont.buf);
+		if (ok)
+			ok = (trace_seq_printf(s, "%s", ent->cont.buf) > 0);
 		__trace_iterator_increment(iter, iter->cpu);
 		ent = trace_entry_idx(tr, data, iter, iter->cpu);
 	} while (ent && ent->type == TRACE_CONT);
+
+	if (!ok)
+		trace_seq_putc(s, '\n');
 }
 
 static int
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index be3b3cf95f4..648433d18cc 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -71,6 +71,23 @@ struct print_entry {
 	char			buf[];
 };
 
+/*
+ * trace_flag_type is an enumeration that holds different
+ * states when a trace occurs. These are:
+ *  IRQS_OFF	- interrupts were disabled
+ *  NEED_RESCED - reschedule is requested
+ *  HARDIRQ	- inside an interrupt handler
+ *  SOFTIRQ	- inside a softirq handler
+ *  CONT	- multiple entries hold the trace item
+ */
+enum trace_flag_type {
+	TRACE_FLAG_IRQS_OFF		= 0x01,
+	TRACE_FLAG_NEED_RESCHED		= 0x02,
+	TRACE_FLAG_HARDIRQ		= 0x04,
+	TRACE_FLAG_SOFTIRQ		= 0x08,
+	TRACE_FLAG_CONT			= 0x10,
+};
+
 /*
  * The trace field - the most basic unit of tracing. This is what
  * is printed in the end as a single line in the trace output, such as:
@@ -330,6 +347,8 @@ extern int trace_selftest_startup_sysprof(struct tracer *trace,
 
 extern void *head_page(struct trace_array_cpu *data);
 extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
+extern void trace_seq_print_cont(struct trace_seq *s,
+				 struct trace_iterator *iter);
 extern ssize_t trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
 				 size_t cnt);
 extern long ns2usecs(cycle_t nsec);
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 767d1faf56e..a108c326f36 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -245,6 +245,27 @@ static int mmio_print_map(struct trace_iterator *iter)
 	return 0;
 }
 
+static int mmio_print_mark(struct trace_iterator *iter)
+{
+	struct trace_entry *entry = iter->ent;
+	const char *msg		= entry->field.print.buf;
+	struct trace_seq *s	= &iter->seq;
+	unsigned long long t	= ns2usecs(entry->field.t);
+	unsigned long usec_rem	= do_div(t, 1000000ULL);
+	unsigned secs		= (unsigned long)t;
+	int ret;
+
+	/* The trailing newline must be in the message. */
+	ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg);
+	if (!ret)
+		return 0;
+
+	if (entry->field.flags & TRACE_FLAG_CONT)
+		trace_seq_print_cont(s, iter);
+
+	return 1;
+}
+
 /* return 0 to abort printing without consuming current entry in pipe mode */
 static int mmio_print_line(struct trace_iterator *iter)
 {
@@ -253,6 +274,8 @@ static int mmio_print_line(struct trace_iterator *iter)
 		return mmio_print_rw(iter);
 	case TRACE_MMIO_MAP:
 		return mmio_print_map(iter);
+	case TRACE_PRINT:
+		return mmio_print_mark(iter);
 	default:
 		return 1; /* ignore unknown entries */
 	}
-- 
GitLab


From 4427414170a63331a9cc36b9598502c5cdfe453b Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Tue, 16 Sep 2008 22:03:56 +0300
Subject: [PATCH 0491/2224] mmiotrace: remove left-over marker cruft

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/mmio-mod.c    | 64 ---------------------------------------
 include/linux/mmiotrace.h |  3 +-
 2 files changed, 1 insertion(+), 66 deletions(-)

diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index 5e2e2e72ee8..2c4baa88f2c 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -56,13 +56,6 @@ struct remap_trace {
 static DEFINE_PER_CPU(struct trap_reason, pf_reason);
 static DEFINE_PER_CPU(struct mmiotrace_rw, cpu_trace);
 
-#if 0 /* XXX: no way gather this info anymore */
-/* Access to this is not per-cpu. */
-static DEFINE_PER_CPU(atomic_t, dropped);
-#endif
-
-static struct dentry *marker_file;
-
 static DEFINE_MUTEX(mmiotrace_mutex);
 static DEFINE_SPINLOCK(trace_lock);
 static atomic_t mmiotrace_enabled;
@@ -97,44 +90,6 @@ static bool is_enabled(void)
 	return atomic_read(&mmiotrace_enabled);
 }
 
-#if 0 /* XXX: needs rewrite */
-/*
- * Write callback for the debugfs entry:
- * Read a marker and write it to the mmio trace log
- */
-static ssize_t write_marker(struct file *file, const char __user *buffer,
-						size_t count, loff_t *ppos)
-{
-	char *event = NULL;
-	struct mm_io_header *headp;
-	ssize_t len = (count > 65535) ? 65535 : count;
-
-	event = kzalloc(sizeof(*headp) + len, GFP_KERNEL);
-	if (!event)
-		return -ENOMEM;
-
-	headp = (struct mm_io_header *)event;
-	headp->type = MMIO_MAGIC | (MMIO_MARKER << MMIO_OPCODE_SHIFT);
-	headp->data_len = len;
-
-	if (copy_from_user(event + sizeof(*headp), buffer, len)) {
-		kfree(event);
-		return -EFAULT;
-	}
-
-	spin_lock_irq(&trace_lock);
-#if 0 /* XXX: convert this to use tracing */
-	if (is_enabled())
-		relay_write(chan, event, sizeof(*headp) + len);
-	else
-#endif
-		len = -EINVAL;
-	spin_unlock_irq(&trace_lock);
-	kfree(event);
-	return len;
-}
-#endif
-
 static void print_pte(unsigned long address)
 {
 	unsigned int level;
@@ -481,26 +436,12 @@ static void leave_uniprocessor(void)
 }
 #endif
 
-#if 0 /* XXX: out of order */
-static struct file_operations fops_marker = {
-	.owner =	THIS_MODULE,
-	.write =	write_marker
-};
-#endif
-
 void enable_mmiotrace(void)
 {
 	mutex_lock(&mmiotrace_mutex);
 	if (is_enabled())
 		goto out;
 
-#if 0 /* XXX: tracing does not support text entries */
-	marker_file = debugfs_create_file("marker", 0660, dir, NULL,
-								&fops_marker);
-	if (!marker_file)
-		pr_err(NAME "marker file creation failed.\n");
-#endif
-
 	if (nommiotrace)
 		pr_info(NAME "MMIO tracing disabled.\n");
 	enter_uniprocessor();
@@ -525,11 +466,6 @@ void disable_mmiotrace(void)
 
 	clear_trace_list(); /* guarantees: no more kmmio callbacks */
 	leave_uniprocessor();
-	if (marker_file) {
-		debugfs_remove(marker_file);
-		marker_file = NULL;
-	}
-
 	pr_info(NAME "disabled.\n");
 out:
 	mutex_unlock(&mmiotrace_mutex);
diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h
index 60cc3bf5c53..139d7c88d9c 100644
--- a/include/linux/mmiotrace.h
+++ b/include/linux/mmiotrace.h
@@ -67,8 +67,7 @@ enum mm_io_opcode {
 	MMIO_WRITE = 0x2,    /* struct mmiotrace_rw */
 	MMIO_PROBE = 0x3,    /* struct mmiotrace_map */
 	MMIO_UNPROBE = 0x4,  /* struct mmiotrace_map */
-	MMIO_MARKER = 0x5,   /* raw char data */
-	MMIO_UNKNOWN_OP = 0x6, /* struct mmiotrace_rw */
+	MMIO_UNKNOWN_OP = 0x5, /* struct mmiotrace_rw */
 };
 
 struct mmiotrace_rw {
-- 
GitLab


From 5bf9a1ee350a10feb94107de32a203d81fbbe706 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Tue, 16 Sep 2008 22:06:42 +0300
Subject: [PATCH 0492/2224] ftrace: inject markers via trace_marker file
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Allow a user to inject a marker (TRACE_PRINT entry) into the trace ring
buffer. The related file operations are derived from code by Frédéric
Weisbecker <fweisbec@gmail.com>.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 Documentation/tracers/mmiotrace.txt |  5 +-
 kernel/trace/trace.c                | 76 +++++++++++++++++++++++++++--
 kernel/trace/trace.h                |  4 ++
 3 files changed, 77 insertions(+), 8 deletions(-)

diff --git a/Documentation/tracers/mmiotrace.txt b/Documentation/tracers/mmiotrace.txt
index a4afb560a45..5bbbe209622 100644
--- a/Documentation/tracers/mmiotrace.txt
+++ b/Documentation/tracers/mmiotrace.txt
@@ -36,7 +36,7 @@ $ mount -t debugfs debugfs /debug
 $ echo mmiotrace > /debug/tracing/current_tracer
 $ cat /debug/tracing/trace_pipe > mydump.txt &
 Start X or whatever.
-$ echo "X is up" > /debug/tracing/marker
+$ echo "X is up" > /debug/tracing/trace_marker
 $ echo none > /debug/tracing/current_tracer
 Check for lost events.
 
@@ -59,9 +59,8 @@ The 'cat' process should stay running (sleeping) in the background.
 Load the driver you want to trace and use it. Mmiotrace will only catch MMIO
 accesses to areas that are ioremapped while mmiotrace is active.
 
-[Unimplemented feature:]
 During tracing you can place comments (markers) into the trace by
-$ echo "X is up" > /debug/tracing/marker
+$ echo "X is up" > /debug/tracing/trace_marker
 This makes it easier to see which part of the (huge) trace corresponds to
 which action. It is recommended to place descriptive markers about what you
 do.
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 7e7154f7700..eee1fd96489 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2879,6 +2879,66 @@ tracing_entries_write(struct file *filp, const char __user *ubuf,
 	return cnt;
 }
 
+static int tracing_open_mark(struct inode *inode, struct file *filp)
+{
+	int ret;
+
+	ret = tracing_open_generic(inode, filp);
+	if (ret)
+		return ret;
+
+	if (current_trace == &no_tracer)
+		return -ENODEV;
+
+	return 0;
+}
+
+static int mark_printk(const char *fmt, ...)
+{
+	int ret;
+	va_list args;
+	va_start(args, fmt);
+	ret = trace_vprintk(0, fmt, args);
+	va_end(args);
+	return ret;
+}
+
+static ssize_t
+tracing_mark_write(struct file *filp, const char __user *ubuf,
+					size_t cnt, loff_t *fpos)
+{
+	char *buf;
+	char *end;
+	struct trace_array *tr = &global_trace;
+
+	if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled)
+		return -EINVAL;
+
+	if (cnt > TRACE_BUF_SIZE)
+		cnt = TRACE_BUF_SIZE;
+
+	buf = kmalloc(cnt + 1, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	if (copy_from_user(buf, ubuf, cnt)) {
+		kfree(buf);
+		return -EFAULT;
+	}
+
+	/* Cut from the first nil or newline. */
+	buf[cnt] = '\0';
+	end = strchr(buf, '\n');
+	if (end)
+		*end = '\0';
+
+	cnt = mark_printk("%s\n", buf);
+	kfree(buf);
+	*fpos += cnt;
+
+	return cnt;
+}
+
 static struct file_operations tracing_max_lat_fops = {
 	.open		= tracing_open_generic,
 	.read		= tracing_max_lat_read,
@@ -2910,6 +2970,11 @@ static struct file_operations tracing_entries_fops = {
 	.write		= tracing_entries_write,
 };
 
+static struct file_operations tracing_mark_fops = {
+	.open		= tracing_open_mark,
+	.write		= tracing_mark_write,
+};
+
 #ifdef CONFIG_DYNAMIC_FTRACE
 
 static ssize_t
@@ -3027,6 +3092,12 @@ static __init void tracer_init_debugfs(void)
 		pr_warning("Could not create debugfs "
 			   "'trace_entries' entry\n");
 
+	entry = debugfs_create_file("trace_marker", 0220, d_tracer,
+				    NULL, &tracing_mark_fops);
+	if (!entry)
+		pr_warning("Could not create debugfs "
+			   "'trace_marker' entry\n");
+
 #ifdef CONFIG_DYNAMIC_FTRACE
 	entry = debugfs_create_file("dyn_ftrace_total_info", 0444, d_tracer,
 				    &ftrace_update_tot_cnt,
@@ -3040,11 +3111,6 @@ static __init void tracer_init_debugfs(void)
 #endif
 }
 
-#define TRACE_BUF_SIZE 1024
-#define TRACE_PRINT_BUF_SIZE \
-	(sizeof(struct trace_field) - offsetof(struct trace_field, print.buf))
-#define TRACE_CONT_BUF_SIZE sizeof(struct trace_field)
-
 int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 {
 	static DEFINE_SPINLOCK(trace_buf_lock);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 648433d18cc..42f65d0097f 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -124,6 +124,10 @@ struct trace_entry {
 };
 
 #define TRACE_ENTRY_SIZE	sizeof(struct trace_entry)
+#define TRACE_BUF_SIZE		1024
+#define TRACE_PRINT_BUF_SIZE \
+	(sizeof(struct trace_field) - offsetof(struct trace_field, print.buf))
+#define TRACE_CONT_BUF_SIZE	sizeof(struct trace_field)
 
 /*
  * The CPU trace array - it consists of thousands of trace entries
-- 
GitLab


From fb1b6d8b5154c692172a424e45fbd0573295cb93 Mon Sep 17 00:00:00 2001
From: Steven Noonan <steven@uplinklabs.net>
Date: Fri, 19 Sep 2008 03:06:43 -0700
Subject: [PATCH 0493/2224] ftrace: add nop tracer

A no-op tracer which can serve two purposes:

 1. A template for development of a new tracer.
 2. A convenient way to see ftrace_printk() calls without
    an irrelevant trace making the output messy.

[ mingo@elte.hu: resolved conflicts ]
Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig          | 10 ++++++
 kernel/trace/Makefile         |  1 +
 kernel/trace/trace.h          |  4 +++
 kernel/trace/trace_nop.c      | 65 +++++++++++++++++++++++++++++++++++
 kernel/trace/trace_selftest.c |  9 +++++
 5 files changed, 89 insertions(+)
 create mode 100644 kernel/trace/trace_nop.c

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 16e5bb5daaa..d7b2de74463 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -101,6 +101,16 @@ config SCHED_TRACER
 	  This tracer tracks the latency of the highest priority task
 	  to be scheduled in, starting from the point it has woken up.
 
+config NOP_TRACER
+	bool "NOP Tracer"
+	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
+	select TRACING
+	help
+	  This tracer does nothing. The primary purpose for it is to
+	  politely print the output of ftrace_printk() calls without
+	  the overhead of an irrelevant trace taking place.
+
 config CONTEXT_SWITCH_TRACER
 	bool "Trace process context switches"
 	depends on HAVE_FTRACE
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 58ec61c44bd..73ba13f5a46 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_FTRACE) += trace_functions.o
 obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o
 obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o
 obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o
+obj-$(CONFIG_NOP_TRACER) += trace_nop.o
 obj-$(CONFIG_STACK_TRACER) += trace_stack.o
 obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o
 
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 42f65d0097f..447d4b9b639 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -339,6 +339,10 @@ extern int trace_selftest_startup_preemptirqsoff(struct tracer *trace,
 extern int trace_selftest_startup_wakeup(struct tracer *trace,
 					 struct trace_array *tr);
 #endif
+#ifdef CONFIG_NOP_TRACER
+extern int trace_selftest_startup_nop(struct tracer *trace,
+					 struct trace_array *tr);
+#endif
 #ifdef CONFIG_CONTEXT_SWITCH_TRACER
 extern int trace_selftest_startup_sched_switch(struct tracer *trace,
 					       struct trace_array *tr);
diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
new file mode 100644
index 00000000000..dafaefb8403
--- /dev/null
+++ b/kernel/trace/trace_nop.c
@@ -0,0 +1,65 @@
+/*
+ * nop tracer
+ *
+ * Copyright (C) 2008 Steven Noonan <steven@uplinklabs.net>
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/debugfs.h>
+#include <linux/ftrace.h>
+
+#include "trace.h"
+
+static struct trace_array	*ctx_trace;
+
+static void start_nop_trace(struct trace_array *tr)
+{
+	/* Nothing to do! */
+}
+
+static void stop_nop_trace(struct trace_array *tr)
+{
+	/* Nothing to do! */
+}
+
+static void nop_trace_init(struct trace_array *tr)
+{
+	ctx_trace = tr;
+
+	if (tr->ctrl)
+		start_nop_trace(tr);
+}
+
+static void nop_trace_reset(struct trace_array *tr)
+{
+	if (tr->ctrl)
+		stop_nop_trace(tr);
+}
+
+static void nop_trace_ctrl_update(struct trace_array *tr)
+{
+	/* When starting a new trace, reset the buffers */
+	if (tr->ctrl)
+		start_nop_trace(tr);
+	else
+		stop_nop_trace(tr);
+}
+
+static struct tracer nop_trace __read_mostly =
+{
+	.name		= "nop",
+	.init		= nop_trace_init,
+	.reset		= nop_trace_reset,
+	.ctrl_update	= nop_trace_ctrl_update,
+#ifdef CONFIG_FTRACE_SELFTEST
+	.selftest	= trace_selftest_startup_nop,
+#endif
+};
+
+__init static int init_nop_trace(void)
+{
+	return register_tracer(&nop_trace);
+}
+device_initcall(init_nop_trace);
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 630715bbd57..82db9103b9b 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -418,6 +418,15 @@ trace_selftest_startup_preemptirqsoff(struct tracer *trace, struct trace_array *
 }
 #endif /* CONFIG_IRQSOFF_TRACER && CONFIG_PREEMPT_TRACER */
 
+#ifdef CONFIG_NOP_TRACER
+int
+trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr)
+{
+	/* What could possibly go wrong? */
+	return 0;
+}
+#endif
+
 #ifdef CONFIG_SCHED_TRACER
 static int trace_wakeup_test_thread(void *data)
 {
-- 
GitLab


From 71c67d58b5660f8e42c7d4c3e77cbc03fac5ed31 Mon Sep 17 00:00:00 2001
From: Steven Noonan <steven@uplinklabs.net>
Date: Sat, 20 Sep 2008 01:00:37 -0700
Subject: [PATCH 0494/2224] ftrace: mcount_addr defined but not used

When CONFIG_DYNAMIC_FTRACE isn't used, neither is mcount_addr. This
patch eliminates that warning.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index c9e09d86e1d..7694f3e5979 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -36,14 +36,6 @@
 int ftrace_enabled __read_mostly;
 static int last_ftrace_enabled;
 
-/*
- * Since MCOUNT_ADDR may point to mcount itself, we do not want
- * to get it confused by reading a reference in the code as we
- * are parsing on objcopy output of text. Use a variable for
- * it instead.
- */
-static unsigned long mcount_addr = MCOUNT_ADDR;
-
 /*
  * ftrace_disabled is set when an anomaly is discovered.
  * ftrace_disabled is much stronger than ftrace_enabled.
@@ -178,6 +170,14 @@ static DEFINE_SPINLOCK(ftrace_hash_lock);
 #define ftrace_hash_unlock(flags) do { } while(0)
 #endif
 
+/*
+ * Since MCOUNT_ADDR may point to mcount itself, we do not want
+ * to get it confused by reading a reference in the code as we
+ * are parsing on objcopy output of text. Use a variable for
+ * it instead.
+ */
+static unsigned long mcount_addr = MCOUNT_ADDR;
+
 static struct task_struct *ftraced_task;
 
 enum {
-- 
GitLab


From 8925b394eca0bb0a444a6487d702d0f650e94a10 Mon Sep 17 00:00:00 2001
From: Steven Noonan <steven@uplinklabs.net>
Date: Sat, 20 Sep 2008 01:00:38 -0700
Subject: [PATCH 0495/2224] trace: remove pointless ifdefs

The functions are already 'extern' anyway, so there's no problem
with linkage. Removing these ifdefs also helps find any potential
compiler errors.

Suggested by Andrew Morton.

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.h | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 447d4b9b639..c8c687088b4 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -319,38 +319,22 @@ extern int DYN_FTRACE_TEST_NAME(void);
 #endif
 
 #ifdef CONFIG_FTRACE_STARTUP_TEST
-#ifdef CONFIG_FTRACE
 extern int trace_selftest_startup_function(struct tracer *trace,
 					   struct trace_array *tr);
-#endif
-#ifdef CONFIG_IRQSOFF_TRACER
 extern int trace_selftest_startup_irqsoff(struct tracer *trace,
 					  struct trace_array *tr);
-#endif
-#ifdef CONFIG_PREEMPT_TRACER
 extern int trace_selftest_startup_preemptoff(struct tracer *trace,
 					     struct trace_array *tr);
-#endif
-#if defined(CONFIG_IRQSOFF_TRACER) && defined(CONFIG_PREEMPT_TRACER)
 extern int trace_selftest_startup_preemptirqsoff(struct tracer *trace,
 						 struct trace_array *tr);
-#endif
-#ifdef CONFIG_SCHED_TRACER
 extern int trace_selftest_startup_wakeup(struct tracer *trace,
 					 struct trace_array *tr);
-#endif
-#ifdef CONFIG_NOP_TRACER
 extern int trace_selftest_startup_nop(struct tracer *trace,
 					 struct trace_array *tr);
-#endif
-#ifdef CONFIG_CONTEXT_SWITCH_TRACER
 extern int trace_selftest_startup_sched_switch(struct tracer *trace,
 					       struct trace_array *tr);
-#endif
-#ifdef CONFIG_SYSPROF_TRACER
 extern int trace_selftest_startup_sysprof(struct tracer *trace,
 					       struct trace_array *tr);
-#endif
 #endif /* CONFIG_FTRACE_STARTUP_TEST */
 
 extern void *head_page(struct trace_array_cpu *data);
-- 
GitLab


From 35cb5ed01261f5669657d2f1720aca902299887d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Sun, 21 Sep 2008 20:10:14 +0200
Subject: [PATCH 0496/2224] tracing/ftrace: make nop tracer reset previous
 entries

If nop tracer is selected, some old entries from the previous tracer
could still be enqueued. Tracing have to be reset.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_nop.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
index dafaefb8403..9fb02c17ad0 100644
--- a/kernel/trace/trace_nop.c
+++ b/kernel/trace/trace_nop.c
@@ -26,8 +26,12 @@ static void stop_nop_trace(struct trace_array *tr)
 
 static void nop_trace_init(struct trace_array *tr)
 {
+	int cpu;
 	ctx_trace = tr;
 
+	for_each_online_cpu(cpu)
+		tracing_reset(tr->data[cpu]);
+
 	if (tr->ctrl)
 		start_nop_trace(tr);
 }
-- 
GitLab


From 2a3a4f669df2164288d11406d11d5e4933bf5e53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Sun, 21 Sep 2008 20:12:14 +0200
Subject: [PATCH 0497/2224] tracing/ftrace: tracing engine depends on Nop
 Tracer

Now that the nop tracer is used as the default tracer by
replacing the "none" tracer, tracing engine depends on it.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index d7b2de74463..254328dec67 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -1,8 +1,13 @@
 #
 # Architectures that offer an FTRACE implementation should select HAVE_FTRACE:
 #
+
+config NOP_TRACER
+	bool
+
 config HAVE_FTRACE
 	bool
+	select NOP_TRACER
 
 config HAVE_DYNAMIC_FTRACE
 	bool
@@ -101,16 +106,6 @@ config SCHED_TRACER
 	  This tracer tracks the latency of the highest priority task
 	  to be scheduled in, starting from the point it has woken up.
 
-config NOP_TRACER
-	bool "NOP Tracer"
-	depends on HAVE_FTRACE
-	depends on DEBUG_KERNEL
-	select TRACING
-	help
-	  This tracer does nothing. The primary purpose for it is to
-	  politely print the output of ftrace_printk() calls without
-	  the overhead of an irrelevant trace taking place.
-
 config CONTEXT_SWITCH_TRACER
 	bool "Trace process context switches"
 	depends on HAVE_FTRACE
-- 
GitLab


From 43a15386c4faf913f7d70a47748c266d6210cd6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Sun, 21 Sep 2008 20:16:30 +0200
Subject: [PATCH 0498/2224] tracing/ftrace: replace none tracer by nop tracer

Replace "none" tracer by the recently created "nop" tracer.
Both are pretty similar except that nop accepts TRACE_PRINT
or TRACE_SPECIAL entries.

And as a consequence, changing the size of the ring buffer now
requires that tracing has already been disabled.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c     | 49 ++++++++--------------------------------
 kernel/trace/trace.h     |  2 ++
 kernel/trace/trace_nop.c |  7 +-----
 3 files changed, 12 insertions(+), 46 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index eee1fd96489..f2ef72fa3f1 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -142,24 +142,6 @@ static DECLARE_WAIT_QUEUE_HEAD(trace_wait);
 /* trace_flags holds iter_ctrl options */
 unsigned long trace_flags = TRACE_ITER_PRINT_PARENT;
 
-static notrace void no_trace_init(struct trace_array *tr)
-{
-	int cpu;
-
-	ftrace_function_enabled = 0;
-	if(tr->ctrl)
-		for_each_online_cpu(cpu)
-			tracing_reset(tr->data[cpu]);
-	tracer_enabled = 0;
-}
-
-/* dummy trace to disable tracing */
-static struct tracer no_tracer __read_mostly = {
-	.name		= "none",
-	.init		= no_trace_init
-};
-
-
 /**
  * trace_wake_up - wake up tasks waiting for trace input
  *
@@ -962,7 +944,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
 	long disabled;
 	int cpu;
 
-	if (tracing_disabled || current_trace == &no_tracer || !tr->ctrl)
+	if (tracing_disabled || !tr->ctrl)
 		return;
 
 	local_irq_save(flags);
@@ -2795,6 +2777,7 @@ tracing_entries_write(struct file *filp, const char __user *ubuf,
 	unsigned long val;
 	char buf[64];
 	int i, ret;
+	struct trace_array *tr = filp->private_data;
 
 	if (cnt >= sizeof(buf))
 		return -EINVAL;
@@ -2814,9 +2797,9 @@ tracing_entries_write(struct file *filp, const char __user *ubuf,
 
 	mutex_lock(&trace_types_lock);
 
-	if (current_trace != &no_tracer) {
+	if (tr->ctrl) {
 		cnt = -EBUSY;
-		pr_info("ftrace: set current_tracer to none"
+		pr_info("ftrace: please disable tracing"
 			" before modifying buffer size\n");
 		goto out;
 	}
@@ -2879,20 +2862,6 @@ tracing_entries_write(struct file *filp, const char __user *ubuf,
 	return cnt;
 }
 
-static int tracing_open_mark(struct inode *inode, struct file *filp)
-{
-	int ret;
-
-	ret = tracing_open_generic(inode, filp);
-	if (ret)
-		return ret;
-
-	if (current_trace == &no_tracer)
-		return -ENODEV;
-
-	return 0;
-}
-
 static int mark_printk(const char *fmt, ...)
 {
 	int ret;
@@ -2911,7 +2880,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf,
 	char *end;
 	struct trace_array *tr = &global_trace;
 
-	if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled)
+	if (!tr->ctrl || tracing_disabled)
 		return -EINVAL;
 
 	if (cnt > TRACE_BUF_SIZE)
@@ -2971,7 +2940,7 @@ static struct file_operations tracing_entries_fops = {
 };
 
 static struct file_operations tracing_mark_fops = {
-	.open		= tracing_open_mark,
+	.open		= tracing_open_generic,
 	.write		= tracing_mark_write,
 };
 
@@ -3123,7 +3092,7 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	long disabled;
 	int cpu, len = 0, write, written = 0;
 
-	if (current_trace == &no_tracer || !tr->ctrl || tracing_disabled)
+	if (!tr->ctrl || tracing_disabled)
 		return 0;
 
 	local_irq_save(flags);
@@ -3539,8 +3508,8 @@ __init static int tracer_alloc_buffers(void)
 
 	trace_init_cmdlines();
 
-	register_tracer(&no_tracer);
-	current_trace = &no_tracer;
+	register_tracer(&nop_trace);
+	current_trace = &nop_trace;
 
 	/* All seems OK, enable tracing */
 	global_trace.ctrl = tracer_enabled;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c8c687088b4..cb2c3fb7dd5 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -369,4 +369,6 @@ enum trace_iterator_flags {
 	TRACE_ITER_PRINTK		= 0x400,
 };
 
+extern struct tracer nop_trace;
+
 #endif /* _LINUX_KERNEL_TRACE_H */
diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
index 9fb02c17ad0..16c9ba060ba 100644
--- a/kernel/trace/trace_nop.c
+++ b/kernel/trace/trace_nop.c
@@ -51,7 +51,7 @@ static void nop_trace_ctrl_update(struct trace_array *tr)
 		stop_nop_trace(tr);
 }
 
-static struct tracer nop_trace __read_mostly =
+struct tracer nop_trace __read_mostly =
 {
 	.name		= "nop",
 	.init		= nop_trace_init,
@@ -62,8 +62,3 @@ static struct tracer nop_trace __read_mostly =
 #endif
 };
 
-__init static int init_nop_trace(void)
-{
-	return register_tracer(&nop_trace);
-}
-device_initcall(init_nop_trace);
-- 
GitLab


From 05736a427f7e16be948ccbf39782bd3a6ae16b14 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 22 Sep 2008 14:55:47 -0700
Subject: [PATCH 0499/2224] ftrace: warn on failure to disable mcount callers

With the recent updates to ftrace, there should not be any failures when
modifying the code. If there is, then we need to warn about it.

This patch has a cleaned up version of the code that I used to discover
that the weak symbols were causing failures.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ftrace.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 7694f3e5979..4dda4f60a2a 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -576,6 +576,16 @@ static void ftrace_shutdown_replenish(void)
 	ftrace_pages->next = (void *)get_zeroed_page(GFP_KERNEL);
 }
 
+static void print_ip_ins(const char *fmt, unsigned char *p)
+{
+	int i;
+
+	printk(KERN_CONT "%s", fmt);
+
+	for (i = 0; i < MCOUNT_INSN_SIZE; i++)
+		printk(KERN_CONT "%s%02x", i ? ":" : "", p[i]);
+}
+
 static int
 ftrace_code_disable(struct dyn_ftrace *rec)
 {
@@ -590,6 +600,23 @@ ftrace_code_disable(struct dyn_ftrace *rec)
 
 	failed = ftrace_modify_code(ip, call, nop);
 	if (failed) {
+		switch (failed) {
+		case 1:
+			WARN_ON_ONCE(1);
+			pr_info("ftrace faulted on modifying ");
+			print_ip_sym(ip);
+			break;
+		case 2:
+			WARN_ON_ONCE(1);
+			pr_info("ftrace failed to modify ");
+			print_ip_sym(ip);
+			print_ip_ins(" expected: ", call);
+			print_ip_ins(" actual: ", (unsigned char *)ip);
+			print_ip_ins(" replace: ", nop);
+			printk(KERN_CONT "\n");
+			break;
+		}
+
 		rec->flags |= FTRACE_FL_FAILED;
 		return 0;
 	}
-- 
GitLab


From 37a52f5ef120b93734bb2461744512b55695f69c Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Tue, 23 Sep 2008 15:05:46 -0700
Subject: [PATCH 0500/2224] x86: suppress trivial sparse signedness warnings

Could just as easily change the three casts to cast to the correct
type...this patch changes the type of ftrace_nop instead.

Supresses sparse warnings:

 arch/x86/kernel/ftrace.c:157:14: warning: incorrect type in assignment (different signedness)
 arch/x86/kernel/ftrace.c:157:14:    expected long *static [toplevel] ftrace_nop
 arch/x86/kernel/ftrace.c:157:14:    got unsigned long *<noident>
 arch/x86/kernel/ftrace.c:161:14: warning: incorrect type in assignment (different signedness)
 arch/x86/kernel/ftrace.c:161:14:    expected long *static [toplevel] ftrace_nop
 arch/x86/kernel/ftrace.c:161:14:    got unsigned long *<noident>
 arch/x86/kernel/ftrace.c:165:14: warning: incorrect type in assignment (different signedness)
 arch/x86/kernel/ftrace.c:165:14:    expected long *static [toplevel] ftrace_nop
 arch/x86/kernel/ftrace.c:165:14:    got unsigned long *<noident>

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 082d9964262..66d900248fc 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -22,7 +22,7 @@
 
 
 /* Long is fine, even if it is only 4 bytes ;-) */
-static long *ftrace_nop;
+static unsigned long *ftrace_nop;
 
 union ftrace_code_union {
 	char code[MCOUNT_INSN_SIZE];
-- 
GitLab


From ac2b86fdef5b44f194eefaa6b7b6aea9423d1bc2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Wed, 24 Sep 2008 16:31:56 +0100
Subject: [PATCH 0501/2224] x86/ftrace: use uaccess in atomic context

With latest -tip I get this bug:

[   49.439988] in_atomic():0, irqs_disabled():1
[   49.440118] INFO: lockdep is turned off.
[   49.440118] Pid: 2814, comm: modprobe Tainted: G        W 2.6.27-rc7 #4
[   49.440118]  [<c01215e1>] __might_sleep+0xe1/0x120
[   49.440118]  [<c01148ea>] ftrace_modify_code+0x2a/0xd0
[   49.440118]  [<c01148a2>] ? ftrace_test_p6nop+0x0/0xa
[   49.440118]  [<c016e80e>] __ftrace_update_code+0xfe/0x2f0
[   49.440118]  [<c01148a2>] ? ftrace_test_p6nop+0x0/0xa
[   49.440118]  [<c016f190>] ftrace_convert_nops+0x50/0x80
[   49.440118]  [<c016f1d6>] ftrace_init_module+0x16/0x20
[   49.440118]  [<c015498b>] load_module+0x185b/0x1d30
[   49.440118]  [<c01767a0>] ? find_get_page+0x0/0xf0
[   49.440118]  [<c02463c0>] ? sprintf+0x0/0x30
[   49.440118]  [<c034e012>] ? mutex_lock_interruptible_nested+0x1f2/0x350
[   49.440118]  [<c0154eb3>] sys_init_module+0x53/0x1b0
[   49.440118]  [<c0352340>] ? do_page_fault+0x0/0x740
[   49.440118]  [<c0104012>] syscall_call+0x7/0xb
[   49.440118]  =======================

It is because ftrace_modify_code() calls copy_to_user and
copy_from_user.
These functions have been inserted after guessing that there
couldn't be any race condition but copy_[to/from]_user might
sleep and __ftrace_update_code is called with local_irq_saved.

These function have been inserted since this commit:
d5e92e8978fd2574e415dc2792c5eb592978243d:
"ftrace: x86 use copy from user function"

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/ftrace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 66d900248fc..222507e8157 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -71,13 +71,13 @@ ftrace_modify_code(unsigned long ip, unsigned char *old_code,
 	 * No real locking needed, this code is run through
 	 * kstop_machine, or before SMP starts.
 	 */
-	if (__copy_from_user(replaced, (char __user *)ip, MCOUNT_INSN_SIZE))
+	if (__copy_from_user_inatomic(replaced, (char __user *)ip, MCOUNT_INSN_SIZE))
 		return 1;
 
 	if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0)
 		return 2;
 
-	WARN_ON_ONCE(__copy_to_user((char __user *)ip, new_code,
+	WARN_ON_ONCE(__copy_to_user_inatomic((char __user *)ip, new_code,
 				    MCOUNT_INSN_SIZE));
 
 	sync_core();
-- 
GitLab


From d74185ed27651ad8d920b37d7851306ad01f7d6f Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Mon, 29 Sep 2008 16:00:05 +0800
Subject: [PATCH 0502/2224] markers: fix unregister bug and reenter bug

unregister bug:

codes using makers are typically calling marker_probe_unregister()
and then destroying the data that marker_probe_func needs(or
unloading this module). This is bug when the corresponding
marker_probe_func is still running(on other cpus),
it is using the destroying/ed data.

we should call synchronize_sched() after marker_update_probes().

reenter bug:

marker_probe_register(), marker_probe_unregister() and
marker_probe_unregister_private_data() are not reentrant safe
functions. these 3 functions release markers_mutex and then
require it again and do "entry->oldptr = old; ...", but entry->oldptr
maybe is using now for these 3 functions may reenter when markers_mutex
is released.

we use synchronize_sched() instead of call_rcu_sched() to fix
this bug. actually we can do:
"
if (entry->rcu_pending)
		rcu_barrier_sched();
"
after require markers_mutex again. but synchronize_sched()
is better and simpler. For these 3 functions are not critical path.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/marker.c | 52 ++++++-------------------------------------------
 1 file changed, 6 insertions(+), 46 deletions(-)

diff --git a/kernel/marker.c b/kernel/marker.c
index 7d1faecd7a5..9f76c4a622e 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -60,9 +60,6 @@ struct marker_entry {
 	struct marker_probe_closure single;
 	struct marker_probe_closure *multi;
 	int refcount;	/* Number of times armed. 0 if disarmed. */
-	struct rcu_head rcu;
-	void *oldptr;
-	unsigned char rcu_pending:1;
 	unsigned char ptype:1;
 	char name[0];	/* Contains name'\0'format'\0' */
 };
@@ -199,16 +196,6 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
 }
 EXPORT_SYMBOL_GPL(marker_probe_cb_noarg);
 
-static void free_old_closure(struct rcu_head *head)
-{
-	struct marker_entry *entry = container_of(head,
-		struct marker_entry, rcu);
-	kfree(entry->oldptr);
-	/* Make sure we free the data before setting the pending flag to 0 */
-	smp_wmb();
-	entry->rcu_pending = 0;
-}
-
 static void debug_print_probes(struct marker_entry *entry)
 {
 	int i;
@@ -417,7 +404,6 @@ static struct marker_entry *add_marker(const char *name, const char *format)
 	e->multi = NULL;
 	e->ptype = 0;
 	e->refcount = 0;
-	e->rcu_pending = 0;
 	hlist_add_head(&e->hlist, head);
 	return e;
 }
@@ -447,9 +433,6 @@ static int remove_marker(const char *name)
 	if (e->single.func != __mark_empty_function)
 		return -EBUSY;
 	hlist_del(&e->hlist);
-	/* Make sure the call_rcu has been executed */
-	if (e->rcu_pending)
-		rcu_barrier_sched();
 	kfree(e);
 	return 0;
 }
@@ -479,12 +462,8 @@ static int marker_set_format(struct marker_entry **entry, const char *format)
 	e->multi = (*entry)->multi;
 	e->ptype = (*entry)->ptype;
 	e->refcount = (*entry)->refcount;
-	e->rcu_pending = 0;
 	hlist_add_before(&e->hlist, &(*entry)->hlist);
 	hlist_del(&(*entry)->hlist);
-	/* Make sure the call_rcu has been executed */
-	if ((*entry)->rcu_pending)
-		rcu_barrier_sched();
 	kfree(*entry);
 	*entry = e;
 	trace_mark(core_marker_format, "name %s format %s",
@@ -658,12 +637,6 @@ int marker_probe_register(const char *name, const char *format,
 			goto end;
 		}
 	}
-	/*
-	 * If we detect that a call_rcu is pending for this marker,
-	 * make sure it's executed now.
-	 */
-	if (entry->rcu_pending)
-		rcu_barrier_sched();
 	old = marker_entry_add_probe(entry, probe, probe_private);
 	if (IS_ERR(old)) {
 		ret = PTR_ERR(old);
@@ -671,14 +644,11 @@ int marker_probe_register(const char *name, const char *format,
 	}
 	mutex_unlock(&markers_mutex);
 	marker_update_probes();		/* may update entry */
+	synchronize_sched();
+	kfree(old);
 	mutex_lock(&markers_mutex);
 	entry = get_marker(name);
 	WARN_ON(!entry);
-	entry->oldptr = old;
-	entry->rcu_pending = 1;
-	/* write rcu_pending before calling the RCU callback */
-	smp_wmb();
-	call_rcu_sched(&entry->rcu, free_old_closure);
 end:
 	mutex_unlock(&markers_mutex);
 	return ret;
@@ -708,20 +678,15 @@ int marker_probe_unregister(const char *name,
 	entry = get_marker(name);
 	if (!entry)
 		goto end;
-	if (entry->rcu_pending)
-		rcu_barrier_sched();
 	old = marker_entry_remove_probe(entry, probe, probe_private);
 	mutex_unlock(&markers_mutex);
 	marker_update_probes();		/* may update entry */
+	synchronize_sched();
+	kfree(old);
 	mutex_lock(&markers_mutex);
 	entry = get_marker(name);
 	if (!entry)
 		goto end;
-	entry->oldptr = old;
-	entry->rcu_pending = 1;
-	/* write rcu_pending before calling the RCU callback */
-	smp_wmb();
-	call_rcu_sched(&entry->rcu, free_old_closure);
 	remove_marker(name);	/* Ignore busy error message */
 	ret = 0;
 end:
@@ -787,19 +752,14 @@ int marker_probe_unregister_private_data(marker_probe_func *probe,
 		ret = -ENOENT;
 		goto end;
 	}
-	if (entry->rcu_pending)
-		rcu_barrier_sched();
 	old = marker_entry_remove_probe(entry, NULL, probe_private);
 	mutex_unlock(&markers_mutex);
 	marker_update_probes();		/* may update entry */
+	synchronize_sched();
+	kfree(old);
 	mutex_lock(&markers_mutex);
 	entry = get_marker_from_private_data(probe, probe_private);
 	WARN_ON(!entry);
-	entry->oldptr = old;
-	entry->rcu_pending = 1;
-	/* write rcu_pending before calling the RCU callback */
-	smp_wmb();
-	call_rcu_sched(&entry->rcu, free_old_closure);
 	remove_marker(entry->name);	/* Ignore busy error message */
 end:
 	mutex_unlock(&markers_mutex);
-- 
GitLab


From ca2db6cf30d6a45798b7a760d0c4f7735b16799d Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Tue, 30 Sep 2008 01:49:39 -0400
Subject: [PATCH 0503/2224] tracepoints: use rcu sched

Make tracepoints use rcu sched. (cleanup)

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/tracepoint.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index c7c62a4a75f..db39961a0d0 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -80,10 +80,7 @@ static void tracepoint_entry_free_old(struct tracepoint_entry *entry, void *old)
 	entry->rcu_pending = 1;
 	/* write rcu_pending before calling the RCU callback */
 	smp_wmb();
-#ifdef CONFIG_PREEMPT_RCU
-	synchronize_sched();	/* Until we have the call_rcu_sched() */
-#endif
-	call_rcu(&entry->rcu, free_old_closure);
+	call_rcu_sched(&entry->rcu, free_old_closure);
 }
 
 static void debug_print_probes(struct tracepoint_entry *entry)
@@ -245,9 +242,9 @@ static int remove_tracepoint(const char *name)
 	if (e->refcount)
 		return -EBUSY;
 	hlist_del(&e->hlist);
-	/* Make sure the call_rcu has been executed */
+	/* Make sure the call_rcu_sched has been executed */
 	if (e->rcu_pending)
-		rcu_barrier();
+		rcu_barrier_sched();
 	kfree(e);
 	return 0;
 }
@@ -344,11 +341,11 @@ int tracepoint_probe_register(const char *name, void *probe)
 		}
 	}
 	/*
-	 * If we detect that a call_rcu is pending for this tracepoint,
+	 * If we detect that a call_rcu_sched is pending for this tracepoint,
 	 * make sure it's executed now.
 	 */
 	if (entry->rcu_pending)
-		rcu_barrier();
+		rcu_barrier_sched();
 	old = tracepoint_entry_add_probe(entry, probe);
 	if (IS_ERR(old)) {
 		ret = PTR_ERR(old);
@@ -387,7 +384,7 @@ int tracepoint_probe_unregister(const char *name, void *probe)
 	if (!entry)
 		goto end;
 	if (entry->rcu_pending)
-		rcu_barrier();
+		rcu_barrier_sched();
 	old = tracepoint_entry_remove_probe(entry, probe);
 	mutex_unlock(&tracepoints_mutex);
 	tracepoint_update_probes();		/* may update entry */
-- 
GitLab


From 9a1e9693f534174945154197fec4ec92f168ce21 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Tue, 30 Sep 2008 01:51:12 -0400
Subject: [PATCH 0504/2224] tracepoints: fix reentrancy

The tracepoints had the same problem markers did have wrt reentrancy. Apply a
similar fix using a rcu_barrier after each tracepoint mutex lock.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/tracepoint.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index db39961a0d0..f2b7c28a470 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -356,6 +356,8 @@ int tracepoint_probe_register(const char *name, void *probe)
 	mutex_lock(&tracepoints_mutex);
 	entry = get_tracepoint(name);
 	WARN_ON(!entry);
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
 	tracepoint_entry_free_old(entry, old);
 end:
 	mutex_unlock(&tracepoints_mutex);
@@ -392,6 +394,8 @@ int tracepoint_probe_unregister(const char *name, void *probe)
 	entry = get_tracepoint(name);
 	if (!entry)
 		goto end;
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
 	tracepoint_entry_free_old(entry, old);
 	remove_tracepoint(name);	/* Ignore busy error message */
 	ret = 0;
-- 
GitLab


From e98d0eabef2748d88fa58760d104e8e68517406b Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 11:05:13 -0400
Subject: [PATCH 0505/2224] markers: marker_synchronize_unregister()

Create marker_synchronize_unregister() which must be called before the end of
exit() to make sure every probe callers have exited the non preemptible section
and thus are not executing the probe code anymore.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/marker.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/marker.h b/include/linux/marker.h
index 1290653f924..889196c7fbb 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -160,4 +160,11 @@ extern int marker_probe_unregister_private_data(marker_probe_func *probe,
 extern void *marker_get_private_data(const char *name, marker_probe_func *probe,
 	int num);
 
+/*
+ * marker_synchronize_unregister must be called between the last marker probe
+ * unregistration and the end of module exit to make sure there is no caller
+ * executing a probe when it is freed.
+ */
+#define marker_synchronize_unregister() synchronize_sched()
+
 #endif
-- 
GitLab


From e2d3b75dbc486253c910722486ac64087f96c59f Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 11:08:03 -0400
Subject: [PATCH 0506/2224] markers: fix unregister bug and reenter bug,
 cleanup

Use the new rcu_read_lock_sched/unlock_sched() in marker code around the call
site instead of preempt_disable/enable(). It helps reviewing the code more
easily.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/marker.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/marker.c b/kernel/marker.c
index 9f76c4a622e..fe5ca72f965 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -100,11 +100,11 @@ void marker_probe_cb(const struct marker *mdata, void *call_private, ...)
 	char ptype;
 
 	/*
-	 * preempt_disable does two things : disabling preemption to make sure
-	 * the teardown of the callbacks can be done correctly when they are in
-	 * modules and they insure RCU read coherency.
+	 * rcu_read_lock_sched does two things : disabling preemption to make
+	 * sure the teardown of the callbacks can be done correctly when they
+	 * are in modules and they insure RCU read coherency.
 	 */
-	preempt_disable();
+	rcu_read_lock_sched();
 	ptype = mdata->ptype;
 	if (likely(!ptype)) {
 		marker_probe_func *func;
@@ -142,7 +142,7 @@ void marker_probe_cb(const struct marker *mdata, void *call_private, ...)
 			va_end(args);
 		}
 	}
-	preempt_enable();
+	rcu_read_unlock_sched();
 }
 EXPORT_SYMBOL_GPL(marker_probe_cb);
 
@@ -159,7 +159,7 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
 	va_list args;	/* not initialized */
 	char ptype;
 
-	preempt_disable();
+	rcu_read_lock_sched();
 	ptype = mdata->ptype;
 	if (likely(!ptype)) {
 		marker_probe_func *func;
@@ -192,7 +192,7 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
 			multi[i].func(multi[i].probe_private, call_private,
 				mdata->format, &args);
 	}
-	preempt_enable();
+	rcu_read_unlock_sched();
 }
 EXPORT_SYMBOL_GPL(marker_probe_cb_noarg);
 
@@ -539,7 +539,7 @@ static int set_marker(struct marker_entry **entry, struct marker *elem,
  * Disable a marker and its probe callback.
  * Note: only waiting an RCU period after setting elem->call to the empty
  * function insures that the original callback is not used anymore. This insured
- * by preempt_disable around the call site.
+ * by rcu_read_lock_sched around the call site.
  */
 static void disable_marker(struct marker *elem)
 {
-- 
GitLab


From 531d297569014e8f889b167a2d15d72429faead1 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 11:09:15 -0400
Subject: [PATCH 0507/2224] markers: probe example, fix teardown

Need a marker_synchronize_unregister() before the end of exit() to make sure
every probe callers have exited the non preemptible section and thus are not
executing the probe code anymore.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 samples/markers/probe-example.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c
index c8e099d4d1f..2dfb3b32937 100644
--- a/samples/markers/probe-example.c
+++ b/samples/markers/probe-example.c
@@ -81,6 +81,7 @@ static void __exit probe_fini(void)
 			probe_array[i].probe_func, &probe_array[i]);
 	printk(KERN_INFO "Number of event b : %u\n",
 			atomic_read(&eventb_count));
+	marker_synchronize_unregister();
 }
 
 module_init(probe_init);
-- 
GitLab


From 91a8d46c47e7eb1c53c181e4328a3cfa45ae4ad3 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 11:10:34 -0400
Subject: [PATCH 0508/2224] markers: documentation fix for teardown

Document the need for a marker_synchronize_unregister() before the end of
exit() to make sure every probe callers have exited the non preemptible
section and thus are not executing the probe code anymore.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 Documentation/markers.txt | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/Documentation/markers.txt b/Documentation/markers.txt
index d9f50a19fa0..089f6138fcd 100644
--- a/Documentation/markers.txt
+++ b/Documentation/markers.txt
@@ -50,10 +50,12 @@ Connecting a function (probe) to a marker is done by providing a probe (function
 to call) for the specific marker through marker_probe_register() and can be
 activated by calling marker_arm(). Marker deactivation can be done by calling
 marker_disarm() as many times as marker_arm() has been called. Removing a probe
-is done through marker_probe_unregister(); it will disarm the probe and make
-sure there is no caller left using the probe when it returns. Probe removal is
-preempt-safe because preemption is disabled around the probe call. See the
-"Probe example" section below for a sample probe module.
+is done through marker_probe_unregister(); it will disarm the probe.
+marker_synchronize_unregister() must be called before the end of the module exit
+function to make sure there is no caller left using the probe. This, and the
+fact that preemption is disabled around the probe call, make sure that probe
+removal and module unload are safe. See the "Probe example" section below for a
+sample probe module.
 
 The marker mechanism supports inserting multiple instances of the same marker.
 Markers can be put in inline functions, inlined static functions, and
-- 
GitLab


From 5b9261d93e5fa3db4995d5b77b5ed365166e001c Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 11:11:47 -0400
Subject: [PATCH 0509/2224] sputrace: use marker_synchronize_unregister()

We need a marker_synchronize_unregister() before the end of exit() to make sure
every probe callers have exited the non preemptible section and thus are not
executing the probe code anymore.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/powerpc/platforms/cell/spufs/sputrace.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c
index 92d20e993ed..2ece399f286 100644
--- a/arch/powerpc/platforms/cell/spufs/sputrace.c
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.c
@@ -232,6 +232,7 @@ static void __exit sputrace_exit(void)
 
 	remove_proc_entry("sputrace", NULL);
 	kfree(sputrace_log);
+	marker_synchronize_unregister();
 }
 
 module_init(sputrace_init);
-- 
GitLab


From ed86a59071a4ccd0e9bcefc61e013759a21eda78 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Wed, 1 Oct 2008 12:03:25 -0400
Subject: [PATCH 0510/2224] markers: re-enable fast batch registration

Lai Jiangshan discovered a reentrancy issue with markers and fixed it by
adding synchronize_sched() calls at each registration/unregistraiton.

It works, but it removes the ability to do batch
registration/unregistration and can cause registration of ~100 markers
to take about 30 seconds on a loaded machine (synchronize_sched() is
much slower on such workloads).

This patch implements a version of the fix which won't slow down marker batch
registration/unregistration. It also go back to the original non-synchronized
reg/unreg.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/marker.c | 58 ++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 52 insertions(+), 6 deletions(-)

diff --git a/kernel/marker.c b/kernel/marker.c
index fe5ca72f965..05a25776f71 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -60,6 +60,9 @@ struct marker_entry {
 	struct marker_probe_closure single;
 	struct marker_probe_closure *multi;
 	int refcount;	/* Number of times armed. 0 if disarmed. */
+	struct rcu_head rcu;
+	void *oldptr;
+	unsigned char rcu_pending:1;
 	unsigned char ptype:1;
 	char name[0];	/* Contains name'\0'format'\0' */
 };
@@ -196,6 +199,16 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
 }
 EXPORT_SYMBOL_GPL(marker_probe_cb_noarg);
 
+static void free_old_closure(struct rcu_head *head)
+{
+	struct marker_entry *entry = container_of(head,
+		struct marker_entry, rcu);
+	kfree(entry->oldptr);
+	/* Make sure we free the data before setting the pending flag to 0 */
+	smp_wmb();
+	entry->rcu_pending = 0;
+}
+
 static void debug_print_probes(struct marker_entry *entry)
 {
 	int i;
@@ -404,6 +417,7 @@ static struct marker_entry *add_marker(const char *name, const char *format)
 	e->multi = NULL;
 	e->ptype = 0;
 	e->refcount = 0;
+	e->rcu_pending = 0;
 	hlist_add_head(&e->hlist, head);
 	return e;
 }
@@ -433,6 +447,9 @@ static int remove_marker(const char *name)
 	if (e->single.func != __mark_empty_function)
 		return -EBUSY;
 	hlist_del(&e->hlist);
+	/* Make sure the call_rcu has been executed */
+	if (e->rcu_pending)
+		rcu_barrier_sched();
 	kfree(e);
 	return 0;
 }
@@ -462,8 +479,12 @@ static int marker_set_format(struct marker_entry **entry, const char *format)
 	e->multi = (*entry)->multi;
 	e->ptype = (*entry)->ptype;
 	e->refcount = (*entry)->refcount;
+	e->rcu_pending = 0;
 	hlist_add_before(&e->hlist, &(*entry)->hlist);
 	hlist_del(&(*entry)->hlist);
+	/* Make sure the call_rcu has been executed */
+	if ((*entry)->rcu_pending)
+		rcu_barrier_sched();
 	kfree(*entry);
 	*entry = e;
 	trace_mark(core_marker_format, "name %s format %s",
@@ -637,6 +658,12 @@ int marker_probe_register(const char *name, const char *format,
 			goto end;
 		}
 	}
+	/*
+	 * If we detect that a call_rcu is pending for this marker,
+	 * make sure it's executed now.
+	 */
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
 	old = marker_entry_add_probe(entry, probe, probe_private);
 	if (IS_ERR(old)) {
 		ret = PTR_ERR(old);
@@ -644,11 +671,16 @@ int marker_probe_register(const char *name, const char *format,
 	}
 	mutex_unlock(&markers_mutex);
 	marker_update_probes();		/* may update entry */
-	synchronize_sched();
-	kfree(old);
 	mutex_lock(&markers_mutex);
 	entry = get_marker(name);
 	WARN_ON(!entry);
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
+	entry->oldptr = old;
+	entry->rcu_pending = 1;
+	/* write rcu_pending before calling the RCU callback */
+	smp_wmb();
+	call_rcu_sched(&entry->rcu, free_old_closure);
 end:
 	mutex_unlock(&markers_mutex);
 	return ret;
@@ -678,15 +710,22 @@ int marker_probe_unregister(const char *name,
 	entry = get_marker(name);
 	if (!entry)
 		goto end;
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
 	old = marker_entry_remove_probe(entry, probe, probe_private);
 	mutex_unlock(&markers_mutex);
 	marker_update_probes();		/* may update entry */
-	synchronize_sched();
-	kfree(old);
 	mutex_lock(&markers_mutex);
 	entry = get_marker(name);
 	if (!entry)
 		goto end;
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
+	entry->oldptr = old;
+	entry->rcu_pending = 1;
+	/* write rcu_pending before calling the RCU callback */
+	smp_wmb();
+	call_rcu_sched(&entry->rcu, free_old_closure);
 	remove_marker(name);	/* Ignore busy error message */
 	ret = 0;
 end:
@@ -752,14 +791,21 @@ int marker_probe_unregister_private_data(marker_probe_func *probe,
 		ret = -ENOENT;
 		goto end;
 	}
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
 	old = marker_entry_remove_probe(entry, NULL, probe_private);
 	mutex_unlock(&markers_mutex);
 	marker_update_probes();		/* may update entry */
-	synchronize_sched();
-	kfree(old);
 	mutex_lock(&markers_mutex);
 	entry = get_marker_from_private_data(probe, probe_private);
 	WARN_ON(!entry);
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
+	entry->oldptr = old;
+	entry->rcu_pending = 1;
+	/* write rcu_pending before calling the RCU callback */
+	smp_wmb();
+	call_rcu_sched(&entry->rcu, free_old_closure);
 	remove_marker(entry->name);	/* Ignore busy error message */
 end:
 	mutex_unlock(&markers_mutex);
-- 
GitLab


From 53c8c8fdfd2d2d515bdcb3d0f2a11d1f3f42ece1 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 3 Oct 2008 11:52:54 -0400
Subject: [PATCH 0511/2224] markers: turn marker_synchronize_unregister() into
 an inline

Turn marker synchronize unregister into a static inline. There is no
reason to keep it as a macro over a static inline.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/marker.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/marker.h b/include/linux/marker.h
index 889196c7fbb..38e32e781ed 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -13,6 +13,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/rcupdate.h>
 
 struct module;
 struct marker;
@@ -165,6 +166,9 @@ extern void *marker_get_private_data(const char *name, marker_probe_func *probe,
  * unregistration and the end of module exit to make sure there is no caller
  * executing a probe when it is freed.
  */
-#define marker_synchronize_unregister() synchronize_sched()
+static inline void marker_synchronize_unregister(void)
+{
+	synchronize_sched();
+}
 
 #endif
-- 
GitLab


From 48043bcdf8f398d28e75ffed6ee85208d751f87f Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Wed, 8 Oct 2008 10:23:36 +0800
Subject: [PATCH 0512/2224] markers: fix unchecked format

when the second, third... probe is registered, its format is
not checked, this patch fixes it.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/marker.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/kernel/marker.c b/kernel/marker.c
index 05a25776f71..3b75d0e8b5a 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -653,11 +653,17 @@ int marker_probe_register(const char *name, const char *format,
 	entry = get_marker(name);
 	if (!entry) {
 		entry = add_marker(name, format);
-		if (IS_ERR(entry)) {
+		if (IS_ERR(entry))
 			ret = PTR_ERR(entry);
-			goto end;
-		}
+	} else if (format) {
+		if (!entry->format)
+			ret = marker_set_format(&entry, format);
+		else if (strcmp(entry->format, format))
+			ret = -EPERM;
 	}
+	if (ret)
+		goto end;
+
 	/*
 	 * If we detect that a call_rcu is pending for this marker,
 	 * make sure it's executed now.
-- 
GitLab


From 1b7ae37c030a9fbbb5ebbf5d7bbfd7208cf805b7 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Fri, 10 Oct 2008 14:43:57 +0800
Subject: [PATCH 0513/2224] markers: bit-field is not thread-safe nor smp-safe

bit-field is not thread-safe nor smp-safe.

struct marker_entry.rcu_pending is not protected by any lock
in rcu-callback free_old_closure().
so we must turn it into a safe type.

detail:

I suppose rcu_pending and ptype are store in struct marker_entry.tmp1

free_old_closure() side:           change ptype side:

                                |  load struct marker_entry.tmp1
--------------------------------|--------------------------------
                                |  change ptype bit in tmp1
load struct marker_entry.tmp1   |
change rcu_pending bit in tmp1  |
store tmp1                      |
--------------------------------|--------------------------------
                                |  store tmp1

now this result equals that free_old_closure() do not change rcu_pending
bit, bug! This bug will cause redundant rcu_barrier_sched() called.
not too harmful.

----- corresponding:

free_old_closure() side:           change ptype side:

load struct marker_entry.tmp1   |
--------------------------------|--------------------------------
                                |  load struct marker_entry.tmp1
change rcu_pending bit in tmp1  |
                                |  change ptype bit in tmp1
                                |  store tmp1
--------------------------------|--------------------------------
store tmp1                      |

now this result equals that change ptype side do not change ptype
bit, bug! this bug cause marker_probe_cb() access to invalid memory.
oops!

see also: http://en.wikipedia.org/wiki/Bit_field

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/marker.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/marker.c b/kernel/marker.c
index 3b75d0e8b5a..e9c6b2bc940 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -62,7 +62,7 @@ struct marker_entry {
 	int refcount;	/* Number of times armed. 0 if disarmed. */
 	struct rcu_head rcu;
 	void *oldptr;
-	unsigned char rcu_pending:1;
+	int rcu_pending;
 	unsigned char ptype:1;
 	char name[0];	/* Contains name'\0'format'\0' */
 };
-- 
GitLab


From aa5d9151f745b6ee6a236a1f109118034277eb92 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sat, 13 Sep 2008 09:36:06 -0700
Subject: [PATCH 0514/2224] tracing/fastboot: add a script to visualize the
 kernel boot process / time

When optimizing the kernel boot time, it's very valuable to visualize
what is going on at which time. In addition, with the fastboot asynchronous
initcall level, it's very valuable to see which initcall gets run where
and when.

This patch adds a script to turn a dmesg into a SVG graph (that can be
shown with tools such as InkScape, Gimp or Firefox) and a small change
to the initcall code to print the PID of the thread calling the initcall
(so that the script can work out the parallelism).

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 init/main.c          |   3 +-
 scripts/bootgraph.pl | 138 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 140 insertions(+), 1 deletion(-)
 create mode 100644 scripts/bootgraph.pl

diff --git a/init/main.c b/init/main.c
index ded1fae965a..16abba05c82 100644
--- a/init/main.c
+++ b/init/main.c
@@ -711,7 +711,8 @@ int do_one_initcall(initcall_t fn)
 	int result;
 
 	if (initcall_debug) {
-		printk("calling  %pF\n", fn);
+		printk("calling  %pF", fn);
+		printk(" @ %i\n",  task_pid_nr(current));
 		t0 = ktime_get();
 	}
 
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
new file mode 100644
index 00000000000..d459b8bdef0
--- /dev/null
+++ b/scripts/bootgraph.pl
@@ -0,0 +1,138 @@
+#!/usr/bin/perl
+
+# Copyright 2008, Intel Corporation
+#
+# This file is part of the Linux kernel
+#
+# This program file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program in a file named COPYING; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301 USA
+#
+# Authors:
+# 	Arjan van de Ven <arjan@linux.intel.com>
+
+
+#
+# This script turns a dmesg output into a SVG graphic that shows which
+# functions take how much time. You can view SVG graphics with various
+# programs, including Inkscape, The Gimp and Firefox.
+#
+#
+# For this script to work, the kernel needs to be compiled with the
+# CONFIG_PRINTK_TIME configuration option enabled, and with
+# "initcall_debug" passed on the kernel command line.
+#
+# usage:
+# 	dmesg | perl scripts/bootgraph.pl > output.svg
+#
+
+my @rows;
+my %start, %end, %row;
+my $done = 0;
+my $rowcount = 0;
+my $maxtime = 0;
+my $count = 0;
+while (<>) {
+	my $line = $_;
+	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z\_]+)\+/) {
+		my $func = $2;
+		if ($done == 0) {
+			$start{$func} = $1;
+		}
+		$row{$func} = 1;
+		if ($line =~ /\@ ([0-9]+)/) {
+			my $pid = $1;
+			if (!defined($rows[$pid])) {
+				$rowcount = $rowcount + 1;
+				$rows[$pid] = $rowcount;
+			}
+			$row{$func} = $rows[$pid];
+		}
+		$count = $count + 1;
+	}
+
+	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z\_]+)\+.*returned/) {
+		if ($done == 0) {
+			$end{$2} = $1;
+			$maxtime = $1;
+		}
+	}
+	if ($line =~ /Write protecting the/) {
+		$done = 1;
+	}
+}
+
+if ($count == 0) {
+	print "No data found in the dmesg. Make sure CONFIG_PRINTK_TIME is enabled and\n";
+	print "that initcall_debug is passed on the kernel command line.\n\n";
+	print "Usage: \n";
+	print "      dmesg | perl scripts/bootgraph.pl > output.svg\n\n";
+	exit;
+}
+
+print "<?xml version=\"1.0\" standalone=\"no\"?> \n";
+print "<svg width=\"1000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n";
+
+my @styles;
+
+$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[8] = "fill:rgb(255,0,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+$styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
+
+my $mult = 950.0 / $maxtime;
+my $threshold = 0.0500 / $maxtime;
+my $stylecounter = 0;
+while (($key,$value) = each %start) {
+	my $duration = $end{$key} - $start{$key};
+
+	if ($duration >= $threshold) {
+		my $s, $s2, $e, $y;
+		$s = $value * $mult;
+		$s2 = $s + 6;
+		$e = $end{$key} * $mult;
+		$w = $e - $s;
+
+		$y = $row{$key} * 150;
+		$y2 = $y + 4;
+
+		$style = $styles[$stylecounter];
+		$stylecounter = $stylecounter + 1;
+		if ($stylecounter > 11) {
+			$stylecounter = 0;
+		};
+
+		print "<rect x=\"$s\" width=\"$w\" y=\"$y\" height=\"145\" style=\"$style\"/>\n";
+		print "<text transform=\"translate($s2,$y2) rotate(90)\">$key</text>\n";
+	}
+}
+
+
+# print the time line on top
+my $time = 0.0;
+while ($time < $maxtime) {
+	my $s2 = $time * $mult;
+	print "<text transform=\"translate($s2,89) rotate(90)\">$time</text>\n";
+	$time = $time + 0.1;
+}
+
+print "</svg>\n";
-- 
GitLab


From d13744cd6e3fef373a3fe656ac349b4e7c49ff79 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Tue, 23 Sep 2008 11:32:08 +0100
Subject: [PATCH 0515/2224] tracing/ftrace: add the boot tracer

Add the boot/initcall tracer.

It's primary purpose is to be able to trace the initcalls.

It is intended to be used with scripts/bootgraph.pl after some small
improvements.

Note that it is not active after its init. To avoid tracing (and so
crashing) before the whole tracing engine init, you have to explicitly
call start_boot_trace() after do_pre_smp_initcalls() to enable it.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h    |  19 +++++++
 kernel/trace/trace.h      |   4 ++
 kernel/trace/trace_boot.c | 101 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 124 insertions(+)
 create mode 100644 kernel/trace/trace_boot.c

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 5de9903645d..91954eb6460 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -5,6 +5,8 @@
 
 #include <linux/linkage.h>
 #include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/types.h>
 
 extern int ftrace_enabled;
 extern int
@@ -209,4 +211,21 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { }
 #endif
 
 
+struct boot_trace {
+	pid_t			caller;
+	initcall_t		func;
+	int			result;
+	unsigned long long	duration;
+};
+
+#ifdef CONFIG_BOOT_TRACER
+extern void trace_boot(struct boot_trace *it);
+extern void start_boot_trace(void);
+#else
+static inline void trace_boot(struct boot_trace *it) { }
+static inline void start_boot_trace(void) { }
+#endif
+
+
+
 #endif /* _LINUX_FTRACE_H */
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index cb2c3fb7dd5..b28bf8812ef 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -6,6 +6,7 @@
 #include <linux/sched.h>
 #include <linux/clocksource.h>
 #include <linux/mmiotrace.h>
+#include <linux/ftrace.h>
 
 enum trace_type {
 	__TRACE_FIRST_TYPE = 0,
@@ -19,6 +20,7 @@ enum trace_type {
 	TRACE_SPECIAL,
 	TRACE_MMIO_RW,
 	TRACE_MMIO_MAP,
+	TRACE_BOOT,
 
 	__TRACE_LAST_TYPE
 };
@@ -30,6 +32,7 @@ struct ftrace_entry {
 	unsigned long		ip;
 	unsigned long		parent_ip;
 };
+extern struct tracer boot_tracer;
 
 /*
  * Context switch trace entry - which task (and prio) we switched from/to:
@@ -108,6 +111,7 @@ struct trace_field {
 		struct print_entry		print;
 		struct mmiotrace_rw		mmiorw;
 		struct mmiotrace_map		mmiomap;
+		struct boot_trace		initcall;
 	};
 };
 
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
new file mode 100644
index 00000000000..c65ef8ffd6b
--- /dev/null
+++ b/kernel/trace/trace_boot.c
@@ -0,0 +1,101 @@
+/*
+ * ring buffer based initcalls tracer
+ *
+ * Copyright (C) 2008 Frederic Weisbecker <fweisbec@gmail.com>
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/debugfs.h>
+#include <linux/ftrace.h>
+
+#include "trace.h"
+
+static struct trace_array *boot_trace;
+static int trace_boot_enabled;
+
+
+/* Should be started after do_pre_smp_initcalls() in init/main.c */
+void start_boot_trace(void)
+{
+	trace_boot_enabled = 1;
+}
+
+void stop_boot_trace(struct trace_array *tr)
+{
+	trace_boot_enabled = 0;
+}
+
+static void boot_trace_init(struct trace_array *tr)
+{
+	int cpu;
+	boot_trace = tr;
+
+	trace_boot_enabled = 0;
+
+	for_each_cpu_mask(cpu, cpu_possible_map)
+		tracing_reset(tr->data[cpu]);
+}
+
+static void boot_trace_ctrl_update(struct trace_array *tr)
+{
+	if (tr->ctrl)
+		start_boot_trace();
+	else
+		stop_boot_trace(tr);
+}
+
+static int initcall_print_line(struct trace_iterator *iter)
+{
+	int ret = 1;
+	struct trace_entry *entry = iter->ent;
+	struct boot_trace *it = &entry->field.initcall;
+	struct trace_seq *s = &iter->seq;
+
+	if (iter->ent->type == TRACE_BOOT)
+		ret = trace_seq_printf(s, "%pF called from %i "
+				       "returned %d after %lld msecs\n",
+				       it->func, it->caller, it->result,
+				       it->duration);
+	if (ret)
+		return 1;
+	return 0;
+}
+
+struct tracer boot_tracer __read_mostly =
+{
+	.name		= "initcall",
+	.init		= boot_trace_init,
+	.reset		= stop_boot_trace,
+	.ctrl_update	= boot_trace_ctrl_update,
+	.print_line	= initcall_print_line,
+};
+
+
+void trace_boot(struct boot_trace *it)
+{
+	struct trace_entry *entry;
+	struct trace_array_cpu *data;
+	unsigned long irq_flags;
+	struct trace_array *tr = boot_trace;
+
+	if (!trace_boot_enabled)
+		return;
+
+	preempt_disable();
+	data = tr->data[smp_processor_id()];
+
+	raw_local_irq_save(irq_flags);
+	__raw_spin_lock(&data->lock);
+
+	entry = tracing_get_trace_entry(tr, data);
+	tracing_generic_entry_update(entry, 0);
+	entry->type = TRACE_BOOT;
+	entry->field.initcall = *it;
+
+	__raw_spin_unlock(&data->lock);
+	raw_local_irq_restore(irq_flags);
+	trace_wake_up();
+
+	preempt_enable();
+}
-- 
GitLab


From b5ad384e79add1d87fff54070000dadcf218ffab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Tue, 23 Sep 2008 11:34:32 +0100
Subject: [PATCH 0516/2224] tracing/ftrace: make tracing suitable to run the
 boot tracer

The tracing engine have now to be init in early_initcall to set the
boot tracer. Only the debugfs settings will be initialized at
fs_initcall time.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f2ef72fa3f1..6ada059832a 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2990,7 +2990,7 @@ struct dentry *tracing_init_dentry(void)
 #include "trace_selftest.c"
 #endif
 
-static __init void tracer_init_debugfs(void)
+static __init int tracer_init_debugfs(void)
 {
 	struct dentry *d_tracer;
 	struct dentry *entry;
@@ -3078,6 +3078,7 @@ static __init void tracer_init_debugfs(void)
 #ifdef CONFIG_SYSPROF_TRACER
 	init_tracer_sysprof_debugfs(d_tracer);
 #endif
+	return 0;
 }
 
 int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
@@ -3504,17 +3505,20 @@ __init static int tracer_alloc_buffers(void)
 		pages, trace_nr_entries, (long)TRACE_ENTRY_SIZE);
 	pr_info("   actual entries %ld\n", global_trace.entries);
 
-	tracer_init_debugfs();
-
 	trace_init_cmdlines();
 
 	register_tracer(&nop_trace);
+#ifdef CONFIG_BOOT_TRACER
+	register_tracer(&boot_tracer);
+	current_trace = &boot_tracer;
+	current_trace->init(&global_trace);
+#else
 	current_trace = &nop_trace;
+#endif
 
 	/* All seems OK, enable tracing */
 	global_trace.ctrl = tracer_enabled;
 	tracing_disabled = 0;
-
 	atomic_notifier_chain_register(&panic_notifier_list,
 				       &trace_panic_notifier);
 
@@ -3548,4 +3552,5 @@ __init static int tracer_alloc_buffers(void)
 	}
 	return ret;
 }
-fs_initcall(tracer_alloc_buffers);
+early_initcall(tracer_alloc_buffers);
+fs_initcall(tracer_init_debugfs);
-- 
GitLab


From 1f5c2abbdeb2bb07b20c6a66bfecefe6c867b1ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Tue, 23 Sep 2008 11:36:20 +0100
Subject: [PATCH 0517/2224] tracing/ftrace: give an entry on the config for
 boot tracer

Bring the entry to choose the boot tracer on the kernel config.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig  | 12 ++++++++++++
 kernel/trace/Makefile |  1 +
 2 files changed, 13 insertions(+)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 254328dec67..81a17ef6b94 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -116,6 +116,18 @@ config CONTEXT_SWITCH_TRACER
 	  This tracer gets called from the context switch and records
 	  all switching of tasks.
 
+config BOOT_TRACER
+	bool "Trace boot initcalls"
+	depends on HAVE_FTRACE
+	depends on DEBUG_KERNEL
+	select TRACING
+	help
+	  This tracer helps developers to optimize boot times: it records
+	  the timings of the initcalls. Its aim is to be parsed by the
+	  /scripts/bootgraph.pl tool to produce pretty graphics about
+	  boot inefficiencies, giving a visual representation of the
+	  delays during initcalls.
+
 config STACK_TRACER
 	bool "Trace max stack"
 	depends on HAVE_FTRACE
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 73ba13f5a46..35a07f7cfa8 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -22,5 +22,6 @@ obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o
 obj-$(CONFIG_NOP_TRACER) += trace_nop.o
 obj-$(CONFIG_STACK_TRACER) += trace_stack.o
 obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o
+obj-$(CONFIG_BOOT_TRACER) += trace_boot.o
 
 libftrace-y := ftrace.o
-- 
GitLab


From 3bf77af6e1fef1124bf71d81f9f84885f0ee0dea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Tue, 23 Sep 2008 11:38:18 +0100
Subject: [PATCH 0518/2224] tracing/ftrace: launch boot tracing after pre-smp
 initcalls

Launch the boot tracing inside the initcall_debug area. Old printk
have not been removed to keep the old way of initcall tracing for
backward compatibility.

[ mingo@elte.hu: resolved conflicts ]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 init/main.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/init/main.c b/init/main.c
index 16abba05c82..1e39a1eab19 100644
--- a/init/main.c
+++ b/init/main.c
@@ -709,10 +709,12 @@ int do_one_initcall(initcall_t fn)
 	ktime_t t0, t1, delta;
 	char msgbuf[64];
 	int result;
+	struct boot_trace it;
 
 	if (initcall_debug) {
-		printk("calling  %pF", fn);
-		printk(" @ %i\n",  task_pid_nr(current));
+		it.caller = task_pid_nr(current);
+		it.func = fn;
+		printk("calling  %pF @ %i\n", fn, it.caller);
 		t0 = ktime_get();
 	}
 
@@ -721,10 +723,11 @@ int do_one_initcall(initcall_t fn)
 	if (initcall_debug) {
 		t1 = ktime_get();
 		delta = ktime_sub(t1, t0);
-
-		printk("initcall %pF returned %d after %Ld msecs\n",
-			fn, result,
-			(unsigned long long) delta.tv64 >> 20);
+		it.result = result;
+		it.duration = (unsigned long long) delta.tv64 >> 20;
+		printk("initcall %pF returned %d after %Ld msecs\n", fn,
+			result, it.duration);
+		trace_boot(&it);
 	}
 
 	msgbuf[0] = 0;
@@ -859,6 +862,7 @@ static int __init kernel_init(void * unused)
 	smp_prepare_cpus(setup_max_cpus);
 
 	do_pre_smp_initcalls();
+	start_boot_trace();
 
 	smp_init();
 	sched_init_smp();
-- 
GitLab


From 3ce2b9200da8b7170cc7463b7ee4212fad7b291e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Wed, 24 Sep 2008 10:36:09 +0100
Subject: [PATCH 0519/2224] ftrace/fastboot: disable tracers self-tests when
 boot tracer is selected

The tracing engine resets the ring buffer and the tracers touch it
too during self-tests. These self-tests happen during tracers registering
and work against boot tracing which is logging initcalls.

We have to disable tracing self-tests if the boot-tracer is selected.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 81a17ef6b94..4feb3c81f94 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -126,7 +126,9 @@ config BOOT_TRACER
 	  the timings of the initcalls. Its aim is to be parsed by the
 	  /scripts/bootgraph.pl tool to produce pretty graphics about
 	  boot inefficiencies, giving a visual representation of the
-	  delays during initcalls.
+	  delays during initcalls. Note that tracers self tests can't
+	  be enabled if this tracer is selected since only one tracer
+	  should touch the tracing buffer at a time.
 
 config STACK_TRACER
 	bool "Trace max stack"
@@ -168,8 +170,7 @@ config FTRACE_SELFTEST
 
 config FTRACE_STARTUP_TEST
 	bool "Perform a startup test on ftrace"
-	depends on TRACING
-	depends on DEBUG_KERNEL
+	depends on TRACING && DEBUG_KERNEL && !BOOT_TRACER
 	select FTRACE_SELFTEST
 	help
 	  This option performs a series of startup tests on ftrace. On bootup
-- 
GitLab


From 7c572ac0cf5e8cd8e17f084bc6c253296cc42279 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= <fweisbec@gmail.com>
Date: Thu, 25 Sep 2008 13:25:30 +0100
Subject: [PATCH 0520/2224] tracing/ftrace: don't consume unhandled entries by
 boot tracer

When the boot tracer can't handle an entry output, it returns 1.
It should return 0 to relay on other output functions.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_boot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index c65ef8ffd6b..d5c9e2e4a9c 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -47,7 +47,7 @@ static void boot_trace_ctrl_update(struct trace_array *tr)
 
 static int initcall_print_line(struct trace_iterator *iter)
 {
-	int ret = 1;
+	int ret = 0;
 	struct trace_entry *entry = iter->ent;
 	struct boot_trace *it = &entry->field.initcall;
 	struct trace_seq *s = &iter->seq;
-- 
GitLab


From 5aa60c6073456812251caf9177cb921b2de68f77 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 29 Sep 2008 23:02:37 -0400
Subject: [PATCH 0521/2224] ftrace: give time for wakeup test to run

It is possible that the testing thread in the ftrace wakeup test does not
run before we stop the trace. This will cause the trace to fail since nothing
will be in the buffers.

This patch adds a small wait in the wakeup test to allow for the woken task
to run and be traced.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_selftest.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 82db9103b9b..5ebd4b13549 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -498,6 +498,9 @@ trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr)
 
 	wake_up_process(p);
 
+	/* give a little time to let the thread wake up */
+	msleep(100);
+
 	/* stop the tracing. */
 	tr->ctrl = 0;
 	trace->ctrl_update(tr);
-- 
GitLab


From 7a8e76a3829f1067b70f715771ff88baf2fbf3c3 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 29 Sep 2008 23:02:38 -0400
Subject: [PATCH 0522/2224] tracing: unified trace buffer

This is a unified tracing buffer that implements a ring buffer that
hopefully everyone will eventually be able to use.

The events recorded into the buffer have the following structure:

  struct ring_buffer_event {
	u32 type:2, len:3, time_delta:27;
	u32 array[];
  };

The minimum size of an event is 8 bytes. All events are 4 byte
aligned inside the buffer.

There are 4 types (all internal use for the ring buffer, only
the data type is exported to the interface users).

 RINGBUF_TYPE_PADDING: this type is used to note extra space at the end
	of a buffer page.

 RINGBUF_TYPE_TIME_EXTENT: This type is used when the time between events
	is greater than the 27 bit delta can hold. We add another
	32 bits, and record that in its own event (8 byte size).

 RINGBUF_TYPE_TIME_STAMP: (Not implemented yet). This will hold data to
	help keep the buffer timestamps in sync.

RINGBUF_TYPE_DATA: The event actually holds user data.

The "len" field is only three bits. Since the data must be
4 byte aligned, this field is shifted left by 2, giving a
max length of 28 bytes. If the data load is greater than 28
bytes, the first array field holds the full length of the
data load and the len field is set to zero.

Example, data size of 7 bytes:

	type = RINGBUF_TYPE_DATA
	len = 2
	time_delta: <time-stamp> - <prev_event-time-stamp>
	array[0..1]: <7 bytes of data> <1 byte empty>

This event is saved in 12 bytes of the buffer.

An event with 82 bytes of data:

	type = RINGBUF_TYPE_DATA
	len = 0
	time_delta: <time-stamp> - <prev_event-time-stamp>
	array[0]: 84 (Note the alignment)
	array[1..14]: <82 bytes of data> <2 bytes empty>

The above event is saved in 92 bytes (if my math is correct).
82 bytes of data, 2 bytes empty, 4 byte header, 4 byte length.

Do not reference the above event struct directly. Use the following
functions to gain access to the event table, since the
ring_buffer_event structure may change in the future.

ring_buffer_event_length(event): get the length of the event.
	This is the size of the memory used to record this
	event, and not the size of the data pay load.

ring_buffer_time_delta(event): get the time delta of the event
	This returns the delta time stamp since the last event.
	Note: Even though this is in the header, there should
		be no reason to access this directly, accept
		for debugging.

ring_buffer_event_data(event): get the data from the event
	This is the function to use to get the actual data
	from the event. Note, it is only a pointer to the
	data inside the buffer. This data must be copied to
	another location otherwise you risk it being written
	over in the buffer.

ring_buffer_lock: A way to lock the entire buffer.
ring_buffer_unlock: unlock the buffer.

ring_buffer_alloc: create a new ring buffer. Can choose between
	overwrite or consumer/producer mode. Overwrite will
	overwrite old data, where as consumer producer will
	throw away new data if the consumer catches up with the
	producer.  The consumer/producer is the default.

ring_buffer_free: free the ring buffer.

ring_buffer_resize: resize the buffer. Changes the size of each cpu
	buffer. Note, it is up to the caller to provide that
	the buffer is not being used while this is happening.
	This requirement may go away but do not count on it.

ring_buffer_lock_reserve: locks the ring buffer and allocates an
	entry on the buffer to write to.
ring_buffer_unlock_commit: unlocks the ring buffer and commits it to
	the buffer.

ring_buffer_write: writes some data into the ring buffer.

ring_buffer_peek: Look at a next item in the cpu buffer.
ring_buffer_consume: get the next item in the cpu buffer and
	consume it. That is, this function increments the head
	pointer.

ring_buffer_read_start: Start an iterator of a cpu buffer.
	For now, this disables the cpu buffer, until you issue
	a finish. This is just because we do not want the iterator
	to be overwritten. This restriction may change in the future.
	But note, this is used for static reading of a buffer which
	is usually done "after" a trace. Live readings would want
	to use the ring_buffer_consume above, which will not
	disable the ring buffer.

ring_buffer_read_finish: Finishes the read iterator and reenables
	the ring buffer.

ring_buffer_iter_peek: Look at the next item in the cpu iterator.
ring_buffer_read: Read the iterator and increment it.
ring_buffer_iter_reset: Reset the iterator to point to the beginning
	of the cpu buffer.
ring_buffer_iter_empty: Returns true if the iterator is at the end
	of the cpu buffer.

ring_buffer_size: returns the size in bytes of each cpu buffer.
	Note, the real size is this times the number of CPUs.

ring_buffer_reset_cpu: Sets the cpu buffer to empty
ring_buffer_reset: sets all cpu buffers to empty

ring_buffer_swap_cpu: swaps a cpu buffer from one buffer with a
	cpu buffer of another buffer. This is handy when you
	want to take a snap shot of a running trace on just one
	cpu. Having a backup buffer, to swap with facilitates this.
	Ftrace max latencies use this.

ring_buffer_empty: Returns true if the ring buffer is empty.
ring_buffer_empty_cpu: Returns true if the cpu buffer is empty.

ring_buffer_record_disable: disable all cpu buffers (read only)
ring_buffer_record_disable_cpu: disable a single cpu buffer (read only)
ring_buffer_record_enable: enable all cpu buffers.
ring_buffer_record_enabl_cpu: enable a single cpu buffer.

ring_buffer_entries: The number of entries in a ring buffer.
ring_buffer_overruns: The number of entries removed due to writing wrap.

ring_buffer_time_stamp: Get the time stamp used by the ring buffer
ring_buffer_normalize_time_stamp: normalize the ring buffer time stamp
	into nanosecs.

I still need to implement the GTOD feature. But we need support from
the cpu frequency infrastructure.  But this can be done at a later
time without affecting the ring buffer interface.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ring_buffer.h |  130 +++
 kernel/trace/Kconfig        |    4 +
 kernel/trace/Makefile       |    1 +
 kernel/trace/ring_buffer.c  | 1672 +++++++++++++++++++++++++++++++++++
 4 files changed, 1807 insertions(+)
 create mode 100644 include/linux/ring_buffer.h
 create mode 100644 kernel/trace/ring_buffer.c

diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
new file mode 100644
index 00000000000..c52375b8330
--- /dev/null
+++ b/include/linux/ring_buffer.h
@@ -0,0 +1,130 @@
+#ifndef _LINUX_RING_BUFFER_H
+#define _LINUX_RING_BUFFER_H
+
+#include <linux/mm.h>
+#include <linux/seq_file.h>
+
+struct ring_buffer;
+struct ring_buffer_iter;
+
+/*
+ * Don't reference this struct directly, use functions below.
+ */
+struct ring_buffer_event {
+	u32		type:2, len:3, time_delta:27;
+	u32		array[];
+};
+
+/**
+ * enum ring_buffer_type - internal ring buffer types
+ *
+ * @RINGBUF_TYPE_PADDING:	Left over page padding
+ *				 array is ignored
+ *				 size is variable depending on how much
+ *				  padding is needed
+ *
+ * @RINGBUF_TYPE_TIME_EXTEND:	Extend the time delta
+ *				 array[0] = time delta (28 .. 59)
+ *				 size = 8 bytes
+ *
+ * @RINGBUF_TYPE_TIME_STAMP:	Sync time stamp with external clock
+ *				 array[0] = tv_nsec
+ *				 array[1] = tv_sec
+ *				 size = 16 bytes
+ *
+ * @RINGBUF_TYPE_DATA:		Data record
+ *				 If len is zero:
+ *				  array[0] holds the actual length
+ *				  array[1..(length+3)/4-1] holds data
+ *				 else
+ *				  length = len << 2
+ *				  array[0..(length+3)/4] holds data
+ */
+enum ring_buffer_type {
+	RINGBUF_TYPE_PADDING,
+	RINGBUF_TYPE_TIME_EXTEND,
+	/* FIXME: RINGBUF_TYPE_TIME_STAMP not implemented */
+	RINGBUF_TYPE_TIME_STAMP,
+	RINGBUF_TYPE_DATA,
+};
+
+unsigned ring_buffer_event_length(struct ring_buffer_event *event);
+void *ring_buffer_event_data(struct ring_buffer_event *event);
+
+/**
+ * ring_buffer_event_time_delta - return the delta timestamp of the event
+ * @event: the event to get the delta timestamp of
+ *
+ * The delta timestamp is the 27 bit timestamp since the last event.
+ */
+static inline unsigned
+ring_buffer_event_time_delta(struct ring_buffer_event *event)
+{
+	return event->time_delta;
+}
+
+void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags);
+void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags);
+
+/*
+ * size is in bytes for each per CPU buffer.
+ */
+struct ring_buffer *
+ring_buffer_alloc(unsigned long size, unsigned flags);
+void ring_buffer_free(struct ring_buffer *buffer);
+
+int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size);
+
+struct ring_buffer_event *
+ring_buffer_lock_reserve(struct ring_buffer *buffer,
+			 unsigned long length,
+			 unsigned long *flags);
+int ring_buffer_unlock_commit(struct ring_buffer *buffer,
+			      struct ring_buffer_event *event,
+			      unsigned long flags);
+int ring_buffer_write(struct ring_buffer *buffer,
+		      unsigned long length, void *data);
+
+struct ring_buffer_event *
+ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts);
+struct ring_buffer_event *
+ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts);
+
+struct ring_buffer_iter *
+ring_buffer_read_start(struct ring_buffer *buffer, int cpu);
+void ring_buffer_read_finish(struct ring_buffer_iter *iter);
+
+struct ring_buffer_event *
+ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts);
+struct ring_buffer_event *
+ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts);
+void ring_buffer_iter_reset(struct ring_buffer_iter *iter);
+int ring_buffer_iter_empty(struct ring_buffer_iter *iter);
+
+unsigned long ring_buffer_size(struct ring_buffer *buffer);
+
+void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu);
+void ring_buffer_reset(struct ring_buffer *buffer);
+
+int ring_buffer_swap_cpu(struct ring_buffer *buffer_a,
+			 struct ring_buffer *buffer_b, int cpu);
+
+int ring_buffer_empty(struct ring_buffer *buffer);
+int ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu);
+
+void ring_buffer_record_disable(struct ring_buffer *buffer);
+void ring_buffer_record_enable(struct ring_buffer *buffer);
+void ring_buffer_record_disable_cpu(struct ring_buffer *buffer, int cpu);
+void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu);
+
+unsigned long ring_buffer_entries(struct ring_buffer *buffer);
+unsigned long ring_buffer_overruns(struct ring_buffer *buffer);
+
+u64 ring_buffer_time_stamp(int cpu);
+void ring_buffer_normalize_time_stamp(int cpu, u64 *ts);
+
+enum ring_buffer_flags {
+	RB_FL_OVERWRITE		= 1 << 0,
+};
+
+#endif /* _LINUX_RING_BUFFER_H */
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 4feb3c81f94..396aea11398 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -18,9 +18,13 @@ config HAVE_FTRACE_MCOUNT_RECORD
 config TRACER_MAX_TRACE
 	bool
 
+config RING_BUFFER
+	bool
+
 config TRACING
 	bool
 	select DEBUG_FS
+	select RING_BUFFER
 	select STACKTRACE
 	select TRACEPOINTS
 
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 35a07f7cfa8..a85dfba88ba 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -11,6 +11,7 @@ obj-y += trace_selftest_dynamic.o
 endif
 
 obj-$(CONFIG_FTRACE) += libftrace.o
+obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
 
 obj-$(CONFIG_TRACING) += trace.o
 obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
new file mode 100644
index 00000000000..830a2930dd9
--- /dev/null
+++ b/kernel/trace/ring_buffer.c
@@ -0,0 +1,1672 @@
+/*
+ * Generic ring buffer
+ *
+ * Copyright (C) 2008 Steven Rostedt <srostedt@redhat.com>
+ */
+#include <linux/ring_buffer.h>
+#include <linux/spinlock.h>
+#include <linux/debugfs.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <linux/percpu.h>
+#include <linux/mutex.h>
+#include <linux/sched.h>	/* used for sched_clock() (for now) */
+#include <linux/init.h>
+#include <linux/hash.h>
+#include <linux/list.h>
+#include <linux/fs.h>
+
+/* Up this if you want to test the TIME_EXTENTS and normalization */
+#define DEBUG_SHIFT 0
+
+/* FIXME!!! */
+u64 ring_buffer_time_stamp(int cpu)
+{
+	/* shift to debug/test normalization and TIME_EXTENTS */
+	return sched_clock() << DEBUG_SHIFT;
+}
+
+void ring_buffer_normalize_time_stamp(int cpu, u64 *ts)
+{
+	/* Just stupid testing the normalize function and deltas */
+	*ts >>= DEBUG_SHIFT;
+}
+
+#define RB_EVNT_HDR_SIZE (sizeof(struct ring_buffer_event))
+#define RB_ALIGNMENT_SHIFT	2
+#define RB_ALIGNMENT		(1 << RB_ALIGNMENT_SHIFT)
+#define RB_MAX_SMALL_DATA	28
+
+enum {
+	RB_LEN_TIME_EXTEND = 8,
+	RB_LEN_TIME_STAMP = 16,
+};
+
+/* inline for ring buffer fast paths */
+static inline unsigned
+rb_event_length(struct ring_buffer_event *event)
+{
+	unsigned length;
+
+	switch (event->type) {
+	case RINGBUF_TYPE_PADDING:
+		/* undefined */
+		return -1;
+
+	case RINGBUF_TYPE_TIME_EXTEND:
+		return RB_LEN_TIME_EXTEND;
+
+	case RINGBUF_TYPE_TIME_STAMP:
+		return RB_LEN_TIME_STAMP;
+
+	case RINGBUF_TYPE_DATA:
+		if (event->len)
+			length = event->len << RB_ALIGNMENT_SHIFT;
+		else
+			length = event->array[0];
+		return length + RB_EVNT_HDR_SIZE;
+	default:
+		BUG();
+	}
+	/* not hit */
+	return 0;
+}
+
+/**
+ * ring_buffer_event_length - return the length of the event
+ * @event: the event to get the length of
+ */
+unsigned ring_buffer_event_length(struct ring_buffer_event *event)
+{
+	return rb_event_length(event);
+}
+
+/* inline for ring buffer fast paths */
+static inline void *
+rb_event_data(struct ring_buffer_event *event)
+{
+	BUG_ON(event->type != RINGBUF_TYPE_DATA);
+	/* If length is in len field, then array[0] has the data */
+	if (event->len)
+		return (void *)&event->array[0];
+	/* Otherwise length is in array[0] and array[1] has the data */
+	return (void *)&event->array[1];
+}
+
+/**
+ * ring_buffer_event_data - return the data of the event
+ * @event: the event to get the data from
+ */
+void *ring_buffer_event_data(struct ring_buffer_event *event)
+{
+	return rb_event_data(event);
+}
+
+#define for_each_buffer_cpu(buffer, cpu)		\
+	for_each_cpu_mask(cpu, buffer->cpumask)
+
+#define TS_SHIFT	27
+#define TS_MASK		((1ULL << TS_SHIFT) - 1)
+#define TS_DELTA_TEST	(~TS_MASK)
+
+/*
+ * This hack stolen from mm/slob.c.
+ * We can store per page timing information in the page frame of the page.
+ * Thanks to Peter Zijlstra for suggesting this idea.
+ */
+struct buffer_page {
+	union {
+		struct {
+			unsigned long	 flags;		/* mandatory */
+			atomic_t	 _count;	/* mandatory */
+			u64		 time_stamp;	/* page time stamp */
+			unsigned	 size;		/* size of page data */
+			struct list_head list;		/* list of free pages */
+		};
+		struct page page;
+	};
+};
+
+/*
+ * We need to fit the time_stamp delta into 27 bits.
+ */
+static inline int test_time_stamp(u64 delta)
+{
+	if (delta & TS_DELTA_TEST)
+		return 1;
+	return 0;
+}
+
+#define BUF_PAGE_SIZE PAGE_SIZE
+
+/*
+ * head_page == tail_page && head == tail then buffer is empty.
+ */
+struct ring_buffer_per_cpu {
+	int				cpu;
+	struct ring_buffer		*buffer;
+	spinlock_t			lock;
+	struct lock_class_key		lock_key;
+	struct list_head		pages;
+	unsigned long			head;	/* read from head */
+	unsigned long			tail;	/* write to tail */
+	struct buffer_page		*head_page;
+	struct buffer_page		*tail_page;
+	unsigned long			overrun;
+	unsigned long			entries;
+	u64				write_stamp;
+	u64				read_stamp;
+	atomic_t			record_disabled;
+};
+
+struct ring_buffer {
+	unsigned long			size;
+	unsigned			pages;
+	unsigned			flags;
+	int				cpus;
+	cpumask_t			cpumask;
+	atomic_t			record_disabled;
+
+	struct mutex			mutex;
+
+	struct ring_buffer_per_cpu	**buffers;
+};
+
+struct ring_buffer_iter {
+	struct ring_buffer_per_cpu	*cpu_buffer;
+	unsigned long			head;
+	struct buffer_page		*head_page;
+	u64				read_stamp;
+};
+
+#define RB_WARN_ON(buffer, cond)			\
+	if (unlikely(cond)) {				\
+		atomic_inc(&buffer->record_disabled);	\
+		WARN_ON(1);				\
+		return -1;				\
+	}
+
+/**
+ * check_pages - integrity check of buffer pages
+ * @cpu_buffer: CPU buffer with pages to test
+ *
+ * As a safty measure we check to make sure the data pages have not
+ * been corrupted.
+ */
+static int rb_check_pages(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	struct list_head *head = &cpu_buffer->pages;
+	struct buffer_page *page, *tmp;
+
+	RB_WARN_ON(cpu_buffer, head->next->prev != head);
+	RB_WARN_ON(cpu_buffer, head->prev->next != head);
+
+	list_for_each_entry_safe(page, tmp, head, list) {
+		RB_WARN_ON(cpu_buffer, page->list.next->prev != &page->list);
+		RB_WARN_ON(cpu_buffer, page->list.prev->next != &page->list);
+	}
+
+	return 0;
+}
+
+static unsigned rb_head_size(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	return cpu_buffer->head_page->size;
+}
+
+static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
+			     unsigned nr_pages)
+{
+	struct list_head *head = &cpu_buffer->pages;
+	struct buffer_page *page, *tmp;
+	unsigned long addr;
+	LIST_HEAD(pages);
+	unsigned i;
+
+	for (i = 0; i < nr_pages; i++) {
+		addr = __get_free_page(GFP_KERNEL);
+		if (!addr)
+			goto free_pages;
+		page = (struct buffer_page *)virt_to_page(addr);
+		list_add(&page->list, &pages);
+	}
+
+	list_splice(&pages, head);
+
+	rb_check_pages(cpu_buffer);
+
+	return 0;
+
+ free_pages:
+	list_for_each_entry_safe(page, tmp, &pages, list) {
+		list_del_init(&page->list);
+		__free_page(&page->page);
+	}
+	return -ENOMEM;
+}
+
+static struct ring_buffer_per_cpu *
+rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	int ret;
+
+	cpu_buffer = kzalloc_node(ALIGN(sizeof(*cpu_buffer), cache_line_size()),
+				  GFP_KERNEL, cpu_to_node(cpu));
+	if (!cpu_buffer)
+		return NULL;
+
+	cpu_buffer->cpu = cpu;
+	cpu_buffer->buffer = buffer;
+	spin_lock_init(&cpu_buffer->lock);
+	INIT_LIST_HEAD(&cpu_buffer->pages);
+
+	ret = rb_allocate_pages(cpu_buffer, buffer->pages);
+	if (ret < 0)
+		goto fail_free_buffer;
+
+	cpu_buffer->head_page
+		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
+	cpu_buffer->tail_page
+		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
+
+	return cpu_buffer;
+
+ fail_free_buffer:
+	kfree(cpu_buffer);
+	return NULL;
+}
+
+static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	struct list_head *head = &cpu_buffer->pages;
+	struct buffer_page *page, *tmp;
+
+	list_for_each_entry_safe(page, tmp, head, list) {
+		list_del_init(&page->list);
+		__free_page(&page->page);
+	}
+	kfree(cpu_buffer);
+}
+
+/**
+ * ring_buffer_alloc - allocate a new ring_buffer
+ * @size: the size in bytes that is needed.
+ * @flags: attributes to set for the ring buffer.
+ *
+ * Currently the only flag that is available is the RB_FL_OVERWRITE
+ * flag. This flag means that the buffer will overwrite old data
+ * when the buffer wraps. If this flag is not set, the buffer will
+ * drop data when the tail hits the head.
+ */
+struct ring_buffer *ring_buffer_alloc(unsigned long size, unsigned flags)
+{
+	struct ring_buffer *buffer;
+	int bsize;
+	int cpu;
+
+	/* keep it in its own cache line */
+	buffer = kzalloc(ALIGN(sizeof(*buffer), cache_line_size()),
+			 GFP_KERNEL);
+	if (!buffer)
+		return NULL;
+
+	buffer->pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
+	buffer->flags = flags;
+
+	/* need at least two pages */
+	if (buffer->pages == 1)
+		buffer->pages++;
+
+	buffer->cpumask = cpu_possible_map;
+	buffer->cpus = nr_cpu_ids;
+
+	bsize = sizeof(void *) * nr_cpu_ids;
+	buffer->buffers = kzalloc(ALIGN(bsize, cache_line_size()),
+				  GFP_KERNEL);
+	if (!buffer->buffers)
+		goto fail_free_buffer;
+
+	for_each_buffer_cpu(buffer, cpu) {
+		buffer->buffers[cpu] =
+			rb_allocate_cpu_buffer(buffer, cpu);
+		if (!buffer->buffers[cpu])
+			goto fail_free_buffers;
+	}
+
+	mutex_init(&buffer->mutex);
+
+	return buffer;
+
+ fail_free_buffers:
+	for_each_buffer_cpu(buffer, cpu) {
+		if (buffer->buffers[cpu])
+			rb_free_cpu_buffer(buffer->buffers[cpu]);
+	}
+	kfree(buffer->buffers);
+
+ fail_free_buffer:
+	kfree(buffer);
+	return NULL;
+}
+
+/**
+ * ring_buffer_free - free a ring buffer.
+ * @buffer: the buffer to free.
+ */
+void
+ring_buffer_free(struct ring_buffer *buffer)
+{
+	int cpu;
+
+	for_each_buffer_cpu(buffer, cpu)
+		rb_free_cpu_buffer(buffer->buffers[cpu]);
+
+	kfree(buffer);
+}
+
+static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer);
+
+static void
+rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages)
+{
+	struct buffer_page *page;
+	struct list_head *p;
+	unsigned i;
+
+	atomic_inc(&cpu_buffer->record_disabled);
+	synchronize_sched();
+
+	for (i = 0; i < nr_pages; i++) {
+		BUG_ON(list_empty(&cpu_buffer->pages));
+		p = cpu_buffer->pages.next;
+		page = list_entry(p, struct buffer_page, list);
+		list_del_init(&page->list);
+		__free_page(&page->page);
+	}
+	BUG_ON(list_empty(&cpu_buffer->pages));
+
+	rb_reset_cpu(cpu_buffer);
+
+	rb_check_pages(cpu_buffer);
+
+	atomic_dec(&cpu_buffer->record_disabled);
+
+}
+
+static void
+rb_insert_pages(struct ring_buffer_per_cpu *cpu_buffer,
+		struct list_head *pages, unsigned nr_pages)
+{
+	struct buffer_page *page;
+	struct list_head *p;
+	unsigned i;
+
+	atomic_inc(&cpu_buffer->record_disabled);
+	synchronize_sched();
+
+	for (i = 0; i < nr_pages; i++) {
+		BUG_ON(list_empty(pages));
+		p = pages->next;
+		page = list_entry(p, struct buffer_page, list);
+		list_del_init(&page->list);
+		list_add_tail(&page->list, &cpu_buffer->pages);
+	}
+	rb_reset_cpu(cpu_buffer);
+
+	rb_check_pages(cpu_buffer);
+
+	atomic_dec(&cpu_buffer->record_disabled);
+}
+
+/**
+ * ring_buffer_resize - resize the ring buffer
+ * @buffer: the buffer to resize.
+ * @size: the new size.
+ *
+ * The tracer is responsible for making sure that the buffer is
+ * not being used while changing the size.
+ * Note: We may be able to change the above requirement by using
+ *  RCU synchronizations.
+ *
+ * Minimum size is 2 * BUF_PAGE_SIZE.
+ *
+ * Returns -1 on failure.
+ */
+int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	unsigned nr_pages, rm_pages, new_pages;
+	struct buffer_page *page, *tmp;
+	unsigned long buffer_size;
+	unsigned long addr;
+	LIST_HEAD(pages);
+	int i, cpu;
+
+	size = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
+	size *= BUF_PAGE_SIZE;
+	buffer_size = buffer->pages * BUF_PAGE_SIZE;
+
+	/* we need a minimum of two pages */
+	if (size < BUF_PAGE_SIZE * 2)
+		size = BUF_PAGE_SIZE * 2;
+
+	if (size == buffer_size)
+		return size;
+
+	mutex_lock(&buffer->mutex);
+
+	nr_pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
+
+	if (size < buffer_size) {
+
+		/* easy case, just free pages */
+		BUG_ON(nr_pages >= buffer->pages);
+
+		rm_pages = buffer->pages - nr_pages;
+
+		for_each_buffer_cpu(buffer, cpu) {
+			cpu_buffer = buffer->buffers[cpu];
+			rb_remove_pages(cpu_buffer, rm_pages);
+		}
+		goto out;
+	}
+
+	/*
+	 * This is a bit more difficult. We only want to add pages
+	 * when we can allocate enough for all CPUs. We do this
+	 * by allocating all the pages and storing them on a local
+	 * link list. If we succeed in our allocation, then we
+	 * add these pages to the cpu_buffers. Otherwise we just free
+	 * them all and return -ENOMEM;
+	 */
+	BUG_ON(nr_pages <= buffer->pages);
+	new_pages = nr_pages - buffer->pages;
+
+	for_each_buffer_cpu(buffer, cpu) {
+		for (i = 0; i < new_pages; i++) {
+			addr = __get_free_page(GFP_KERNEL);
+			if (!addr)
+				goto free_pages;
+			page = (struct buffer_page *)virt_to_page(addr);
+			list_add(&page->list, &pages);
+		}
+	}
+
+	for_each_buffer_cpu(buffer, cpu) {
+		cpu_buffer = buffer->buffers[cpu];
+		rb_insert_pages(cpu_buffer, &pages, new_pages);
+	}
+
+	BUG_ON(!list_empty(&pages));
+
+ out:
+	buffer->pages = nr_pages;
+	mutex_unlock(&buffer->mutex);
+
+	return size;
+
+ free_pages:
+	list_for_each_entry_safe(page, tmp, &pages, list) {
+		list_del_init(&page->list);
+		__free_page(&page->page);
+	}
+	return -ENOMEM;
+}
+
+static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	return cpu_buffer->head_page == cpu_buffer->tail_page &&
+		cpu_buffer->head == cpu_buffer->tail;
+}
+
+static inline int rb_null_event(struct ring_buffer_event *event)
+{
+	return event->type == RINGBUF_TYPE_PADDING;
+}
+
+static inline void *rb_page_index(struct buffer_page *page, unsigned index)
+{
+	void *addr = page_address(&page->page);
+
+	return addr + index;
+}
+
+static inline struct ring_buffer_event *
+rb_head_event(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	return rb_page_index(cpu_buffer->head_page,
+			     cpu_buffer->head);
+}
+
+static inline struct ring_buffer_event *
+rb_iter_head_event(struct ring_buffer_iter *iter)
+{
+	return rb_page_index(iter->head_page,
+			     iter->head);
+}
+
+/*
+ * When the tail hits the head and the buffer is in overwrite mode,
+ * the head jumps to the next page and all content on the previous
+ * page is discarded. But before doing so, we update the overrun
+ * variable of the buffer.
+ */
+static void rb_update_overflow(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	struct ring_buffer_event *event;
+	unsigned long head;
+
+	for (head = 0; head < rb_head_size(cpu_buffer);
+	     head += rb_event_length(event)) {
+
+		event = rb_page_index(cpu_buffer->head_page, head);
+		BUG_ON(rb_null_event(event));
+		/* Only count data entries */
+		if (event->type != RINGBUF_TYPE_DATA)
+			continue;
+		cpu_buffer->overrun++;
+		cpu_buffer->entries--;
+	}
+}
+
+static inline void rb_inc_page(struct ring_buffer_per_cpu *cpu_buffer,
+			       struct buffer_page **page)
+{
+	struct list_head *p = (*page)->list.next;
+
+	if (p == &cpu_buffer->pages)
+		p = p->next;
+
+	*page = list_entry(p, struct buffer_page, list);
+}
+
+static inline void
+rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts)
+{
+	cpu_buffer->tail_page->time_stamp = *ts;
+	cpu_buffer->write_stamp = *ts;
+}
+
+static void rb_reset_read_page(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	cpu_buffer->read_stamp = cpu_buffer->head_page->time_stamp;
+	cpu_buffer->head = 0;
+}
+
+static void
+rb_reset_iter_read_page(struct ring_buffer_iter *iter)
+{
+	iter->read_stamp = iter->head_page->time_stamp;
+	iter->head = 0;
+}
+
+/**
+ * ring_buffer_update_event - update event type and data
+ * @event: the even to update
+ * @type: the type of event
+ * @length: the size of the event field in the ring buffer
+ *
+ * Update the type and data fields of the event. The length
+ * is the actual size that is written to the ring buffer,
+ * and with this, we can determine what to place into the
+ * data field.
+ */
+static inline void
+rb_update_event(struct ring_buffer_event *event,
+			 unsigned type, unsigned length)
+{
+	event->type = type;
+
+	switch (type) {
+
+	case RINGBUF_TYPE_PADDING:
+		break;
+
+	case RINGBUF_TYPE_TIME_EXTEND:
+		event->len =
+			(RB_LEN_TIME_EXTEND + (RB_ALIGNMENT-1))
+			>> RB_ALIGNMENT_SHIFT;
+		break;
+
+	case RINGBUF_TYPE_TIME_STAMP:
+		event->len =
+			(RB_LEN_TIME_STAMP + (RB_ALIGNMENT-1))
+			>> RB_ALIGNMENT_SHIFT;
+		break;
+
+	case RINGBUF_TYPE_DATA:
+		length -= RB_EVNT_HDR_SIZE;
+		if (length > RB_MAX_SMALL_DATA) {
+			event->len = 0;
+			event->array[0] = length;
+		} else
+			event->len =
+				(length + (RB_ALIGNMENT-1))
+				>> RB_ALIGNMENT_SHIFT;
+		break;
+	default:
+		BUG();
+	}
+}
+
+static inline unsigned rb_calculate_event_length(unsigned length)
+{
+	struct ring_buffer_event event; /* Used only for sizeof array */
+
+	/* zero length can cause confusions */
+	if (!length)
+		length = 1;
+
+	if (length > RB_MAX_SMALL_DATA)
+		length += sizeof(event.array[0]);
+
+	length += RB_EVNT_HDR_SIZE;
+	length = ALIGN(length, RB_ALIGNMENT);
+
+	return length;
+}
+
+static struct ring_buffer_event *
+__rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
+		  unsigned type, unsigned long length, u64 *ts)
+{
+	struct buffer_page *head_page, *tail_page;
+	unsigned long tail;
+	struct ring_buffer *buffer = cpu_buffer->buffer;
+	struct ring_buffer_event *event;
+
+	tail_page = cpu_buffer->tail_page;
+	head_page = cpu_buffer->head_page;
+	tail = cpu_buffer->tail;
+
+	if (tail + length > BUF_PAGE_SIZE) {
+		struct buffer_page *next_page = tail_page;
+
+		rb_inc_page(cpu_buffer, &next_page);
+
+		if (next_page == head_page) {
+			if (!(buffer->flags & RB_FL_OVERWRITE))
+				return NULL;
+
+			/* count overflows */
+			rb_update_overflow(cpu_buffer);
+
+			rb_inc_page(cpu_buffer, &head_page);
+			cpu_buffer->head_page = head_page;
+			rb_reset_read_page(cpu_buffer);
+		}
+
+		if (tail != BUF_PAGE_SIZE) {
+			event = rb_page_index(tail_page, tail);
+			/* page padding */
+			event->type = RINGBUF_TYPE_PADDING;
+		}
+
+		tail_page->size = tail;
+		tail_page = next_page;
+		tail_page->size = 0;
+		tail = 0;
+		cpu_buffer->tail_page = tail_page;
+		cpu_buffer->tail = tail;
+		rb_add_stamp(cpu_buffer, ts);
+	}
+
+	BUG_ON(tail + length > BUF_PAGE_SIZE);
+
+	event = rb_page_index(tail_page, tail);
+	rb_update_event(event, type, length);
+
+	return event;
+}
+
+static int
+rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
+		  u64 *ts, u64 *delta)
+{
+	struct ring_buffer_event *event;
+	static int once;
+
+	if (unlikely(*delta > (1ULL << 59) && !once++)) {
+		printk(KERN_WARNING "Delta way too big! %llu"
+		       " ts=%llu write stamp = %llu\n",
+		       *delta, *ts, cpu_buffer->write_stamp);
+		WARN_ON(1);
+	}
+
+	/*
+	 * The delta is too big, we to add a
+	 * new timestamp.
+	 */
+	event = __rb_reserve_next(cpu_buffer,
+				  RINGBUF_TYPE_TIME_EXTEND,
+				  RB_LEN_TIME_EXTEND,
+				  ts);
+	if (!event)
+		return -1;
+
+	/* check to see if we went to the next page */
+	if (cpu_buffer->tail) {
+		/* Still on same page, update timestamp */
+		event->time_delta = *delta & TS_MASK;
+		event->array[0] = *delta >> TS_SHIFT;
+		/* commit the time event */
+		cpu_buffer->tail +=
+			rb_event_length(event);
+		cpu_buffer->write_stamp = *ts;
+		*delta = 0;
+	}
+
+	return 0;
+}
+
+static struct ring_buffer_event *
+rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer,
+		      unsigned type, unsigned long length)
+{
+	struct ring_buffer_event *event;
+	u64 ts, delta;
+
+	ts = ring_buffer_time_stamp(cpu_buffer->cpu);
+
+	if (cpu_buffer->tail) {
+		delta = ts - cpu_buffer->write_stamp;
+
+		if (test_time_stamp(delta)) {
+			int ret;
+
+			ret = rb_add_time_stamp(cpu_buffer, &ts, &delta);
+			if (ret < 0)
+				return NULL;
+		}
+	} else {
+		rb_add_stamp(cpu_buffer, &ts);
+		delta = 0;
+	}
+
+	event = __rb_reserve_next(cpu_buffer, type, length, &ts);
+	if (!event)
+		return NULL;
+
+	/* If the reserve went to the next page, our delta is zero */
+	if (!cpu_buffer->tail)
+		delta = 0;
+
+	event->time_delta = delta;
+
+	return event;
+}
+
+/**
+ * ring_buffer_lock_reserve - reserve a part of the buffer
+ * @buffer: the ring buffer to reserve from
+ * @length: the length of the data to reserve (excluding event header)
+ * @flags: a pointer to save the interrupt flags
+ *
+ * Returns a reseverd event on the ring buffer to copy directly to.
+ * The user of this interface will need to get the body to write into
+ * and can use the ring_buffer_event_data() interface.
+ *
+ * The length is the length of the data needed, not the event length
+ * which also includes the event header.
+ *
+ * Must be paired with ring_buffer_unlock_commit, unless NULL is returned.
+ * If NULL is returned, then nothing has been allocated or locked.
+ */
+struct ring_buffer_event *
+ring_buffer_lock_reserve(struct ring_buffer *buffer,
+			 unsigned long length,
+			 unsigned long *flags)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	struct ring_buffer_event *event;
+	int cpu;
+
+	if (atomic_read(&buffer->record_disabled))
+		return NULL;
+
+	raw_local_irq_save(*flags);
+	cpu = raw_smp_processor_id();
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		goto out_irq;
+
+	cpu_buffer = buffer->buffers[cpu];
+	spin_lock(&cpu_buffer->lock);
+
+	if (atomic_read(&cpu_buffer->record_disabled))
+		goto no_record;
+
+	length = rb_calculate_event_length(length);
+	if (length > BUF_PAGE_SIZE)
+		return NULL;
+
+	event = rb_reserve_next_event(cpu_buffer, RINGBUF_TYPE_DATA, length);
+	if (!event)
+		goto no_record;
+
+	return event;
+
+ no_record:
+	spin_unlock(&cpu_buffer->lock);
+ out_irq:
+	local_irq_restore(*flags);
+	return NULL;
+}
+
+static void rb_commit(struct ring_buffer_per_cpu *cpu_buffer,
+		      struct ring_buffer_event *event)
+{
+	cpu_buffer->tail += rb_event_length(event);
+	cpu_buffer->tail_page->size = cpu_buffer->tail;
+	cpu_buffer->write_stamp += event->time_delta;
+	cpu_buffer->entries++;
+}
+
+/**
+ * ring_buffer_unlock_commit - commit a reserved
+ * @buffer: The buffer to commit to
+ * @event: The event pointer to commit.
+ * @flags: the interrupt flags received from ring_buffer_lock_reserve.
+ *
+ * This commits the data to the ring buffer, and releases any locks held.
+ *
+ * Must be paired with ring_buffer_lock_reserve.
+ */
+int ring_buffer_unlock_commit(struct ring_buffer *buffer,
+			      struct ring_buffer_event *event,
+			      unsigned long flags)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	int cpu = raw_smp_processor_id();
+
+	cpu_buffer = buffer->buffers[cpu];
+
+	assert_spin_locked(&cpu_buffer->lock);
+
+	rb_commit(cpu_buffer, event);
+
+	spin_unlock(&cpu_buffer->lock);
+	raw_local_irq_restore(flags);
+
+	return 0;
+}
+
+/**
+ * ring_buffer_write - write data to the buffer without reserving
+ * @buffer: The ring buffer to write to.
+ * @length: The length of the data being written (excluding the event header)
+ * @data: The data to write to the buffer.
+ *
+ * This is like ring_buffer_lock_reserve and ring_buffer_unlock_commit as
+ * one function. If you already have the data to write to the buffer, it
+ * may be easier to simply call this function.
+ *
+ * Note, like ring_buffer_lock_reserve, the length is the length of the data
+ * and not the length of the event which would hold the header.
+ */
+int ring_buffer_write(struct ring_buffer *buffer,
+			unsigned long length,
+			void *data)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	struct ring_buffer_event *event;
+	unsigned long event_length, flags;
+	void *body;
+	int ret = -EBUSY;
+	int cpu;
+
+	if (atomic_read(&buffer->record_disabled))
+		return -EBUSY;
+
+	local_irq_save(flags);
+	cpu = raw_smp_processor_id();
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		goto out_irq;
+
+	cpu_buffer = buffer->buffers[cpu];
+	spin_lock(&cpu_buffer->lock);
+
+	if (atomic_read(&cpu_buffer->record_disabled))
+		goto out;
+
+	event_length = rb_calculate_event_length(length);
+	event = rb_reserve_next_event(cpu_buffer,
+				      RINGBUF_TYPE_DATA, event_length);
+	if (!event)
+		goto out;
+
+	body = rb_event_data(event);
+
+	memcpy(body, data, length);
+
+	rb_commit(cpu_buffer, event);
+
+	ret = 0;
+ out:
+	spin_unlock(&cpu_buffer->lock);
+ out_irq:
+	local_irq_restore(flags);
+
+	return ret;
+}
+
+/**
+ * ring_buffer_lock - lock the ring buffer
+ * @buffer: The ring buffer to lock
+ * @flags: The place to store the interrupt flags
+ *
+ * This locks all the per CPU buffers.
+ *
+ * Must be unlocked by ring_buffer_unlock.
+ */
+void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	int cpu;
+
+	local_irq_save(*flags);
+
+	for_each_buffer_cpu(buffer, cpu) {
+		cpu_buffer = buffer->buffers[cpu];
+		spin_lock(&cpu_buffer->lock);
+	}
+}
+
+/**
+ * ring_buffer_unlock - unlock a locked buffer
+ * @buffer: The locked buffer to unlock
+ * @flags: The interrupt flags received by ring_buffer_lock
+ */
+void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	int cpu;
+
+	for (cpu = buffer->cpus - 1; cpu >= 0; cpu--) {
+		if (!cpu_isset(cpu, buffer->cpumask))
+			continue;
+		cpu_buffer = buffer->buffers[cpu];
+		spin_unlock(&cpu_buffer->lock);
+	}
+
+	local_irq_restore(flags);
+}
+
+/**
+ * ring_buffer_record_disable - stop all writes into the buffer
+ * @buffer: The ring buffer to stop writes to.
+ *
+ * This prevents all writes to the buffer. Any attempt to write
+ * to the buffer after this will fail and return NULL.
+ *
+ * The caller should call synchronize_sched() after this.
+ */
+void ring_buffer_record_disable(struct ring_buffer *buffer)
+{
+	atomic_inc(&buffer->record_disabled);
+}
+
+/**
+ * ring_buffer_record_enable - enable writes to the buffer
+ * @buffer: The ring buffer to enable writes
+ *
+ * Note, multiple disables will need the same number of enables
+ * to truely enable the writing (much like preempt_disable).
+ */
+void ring_buffer_record_enable(struct ring_buffer *buffer)
+{
+	atomic_dec(&buffer->record_disabled);
+}
+
+/**
+ * ring_buffer_record_disable_cpu - stop all writes into the cpu_buffer
+ * @buffer: The ring buffer to stop writes to.
+ * @cpu: The CPU buffer to stop
+ *
+ * This prevents all writes to the buffer. Any attempt to write
+ * to the buffer after this will fail and return NULL.
+ *
+ * The caller should call synchronize_sched() after this.
+ */
+void ring_buffer_record_disable_cpu(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return;
+
+	cpu_buffer = buffer->buffers[cpu];
+	atomic_inc(&cpu_buffer->record_disabled);
+}
+
+/**
+ * ring_buffer_record_enable_cpu - enable writes to the buffer
+ * @buffer: The ring buffer to enable writes
+ * @cpu: The CPU to enable.
+ *
+ * Note, multiple disables will need the same number of enables
+ * to truely enable the writing (much like preempt_disable).
+ */
+void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return;
+
+	cpu_buffer = buffer->buffers[cpu];
+	atomic_dec(&cpu_buffer->record_disabled);
+}
+
+/**
+ * ring_buffer_entries_cpu - get the number of entries in a cpu buffer
+ * @buffer: The ring buffer
+ * @cpu: The per CPU buffer to get the entries from.
+ */
+unsigned long ring_buffer_entries_cpu(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return 0;
+
+	cpu_buffer = buffer->buffers[cpu];
+	return cpu_buffer->entries;
+}
+
+/**
+ * ring_buffer_overrun_cpu - get the number of overruns in a cpu_buffer
+ * @buffer: The ring buffer
+ * @cpu: The per CPU buffer to get the number of overruns from
+ */
+unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return 0;
+
+	cpu_buffer = buffer->buffers[cpu];
+	return cpu_buffer->overrun;
+}
+
+/**
+ * ring_buffer_entries - get the number of entries in a buffer
+ * @buffer: The ring buffer
+ *
+ * Returns the total number of entries in the ring buffer
+ * (all CPU entries)
+ */
+unsigned long ring_buffer_entries(struct ring_buffer *buffer)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	unsigned long entries = 0;
+	int cpu;
+
+	/* if you care about this being correct, lock the buffer */
+	for_each_buffer_cpu(buffer, cpu) {
+		cpu_buffer = buffer->buffers[cpu];
+		entries += cpu_buffer->entries;
+	}
+
+	return entries;
+}
+
+/**
+ * ring_buffer_overrun_cpu - get the number of overruns in buffer
+ * @buffer: The ring buffer
+ *
+ * Returns the total number of overruns in the ring buffer
+ * (all CPU entries)
+ */
+unsigned long ring_buffer_overruns(struct ring_buffer *buffer)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	unsigned long overruns = 0;
+	int cpu;
+
+	/* if you care about this being correct, lock the buffer */
+	for_each_buffer_cpu(buffer, cpu) {
+		cpu_buffer = buffer->buffers[cpu];
+		overruns += cpu_buffer->overrun;
+	}
+
+	return overruns;
+}
+
+/**
+ * ring_buffer_iter_reset - reset an iterator
+ * @iter: The iterator to reset
+ *
+ * Resets the iterator, so that it will start from the beginning
+ * again.
+ */
+void ring_buffer_iter_reset(struct ring_buffer_iter *iter)
+{
+	struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer;
+
+	iter->head_page = cpu_buffer->head_page;
+	iter->head = cpu_buffer->head;
+	rb_reset_iter_read_page(iter);
+}
+
+/**
+ * ring_buffer_iter_empty - check if an iterator has no more to read
+ * @iter: The iterator to check
+ */
+int ring_buffer_iter_empty(struct ring_buffer_iter *iter)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+
+	cpu_buffer = iter->cpu_buffer;
+
+	return iter->head_page == cpu_buffer->tail_page &&
+		iter->head == cpu_buffer->tail;
+}
+
+static void
+rb_update_read_stamp(struct ring_buffer_per_cpu *cpu_buffer,
+		     struct ring_buffer_event *event)
+{
+	u64 delta;
+
+	switch (event->type) {
+	case RINGBUF_TYPE_PADDING:
+		return;
+
+	case RINGBUF_TYPE_TIME_EXTEND:
+		delta = event->array[0];
+		delta <<= TS_SHIFT;
+		delta += event->time_delta;
+		cpu_buffer->read_stamp += delta;
+		return;
+
+	case RINGBUF_TYPE_TIME_STAMP:
+		/* FIXME: not implemented */
+		return;
+
+	case RINGBUF_TYPE_DATA:
+		cpu_buffer->read_stamp += event->time_delta;
+		return;
+
+	default:
+		BUG();
+	}
+	return;
+}
+
+static void
+rb_update_iter_read_stamp(struct ring_buffer_iter *iter,
+			  struct ring_buffer_event *event)
+{
+	u64 delta;
+
+	switch (event->type) {
+	case RINGBUF_TYPE_PADDING:
+		return;
+
+	case RINGBUF_TYPE_TIME_EXTEND:
+		delta = event->array[0];
+		delta <<= TS_SHIFT;
+		delta += event->time_delta;
+		iter->read_stamp += delta;
+		return;
+
+	case RINGBUF_TYPE_TIME_STAMP:
+		/* FIXME: not implemented */
+		return;
+
+	case RINGBUF_TYPE_DATA:
+		iter->read_stamp += event->time_delta;
+		return;
+
+	default:
+		BUG();
+	}
+	return;
+}
+
+static void rb_advance_head(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	struct ring_buffer_event *event;
+	unsigned length;
+
+	/*
+	 * Check if we are at the end of the buffer.
+	 */
+	if (cpu_buffer->head >= cpu_buffer->head_page->size) {
+		BUG_ON(cpu_buffer->head_page == cpu_buffer->tail_page);
+		rb_inc_page(cpu_buffer, &cpu_buffer->head_page);
+		rb_reset_read_page(cpu_buffer);
+		return;
+	}
+
+	event = rb_head_event(cpu_buffer);
+
+	if (event->type == RINGBUF_TYPE_DATA)
+		cpu_buffer->entries--;
+
+	length = rb_event_length(event);
+
+	/*
+	 * This should not be called to advance the header if we are
+	 * at the tail of the buffer.
+	 */
+	BUG_ON((cpu_buffer->head_page == cpu_buffer->tail_page) &&
+	       (cpu_buffer->head + length > cpu_buffer->tail));
+
+	rb_update_read_stamp(cpu_buffer, event);
+
+	cpu_buffer->head += length;
+
+	/* check for end of page */
+	if ((cpu_buffer->head >= cpu_buffer->head_page->size) &&
+	    (cpu_buffer->head_page != cpu_buffer->tail_page))
+		rb_advance_head(cpu_buffer);
+}
+
+static void rb_advance_iter(struct ring_buffer_iter *iter)
+{
+	struct ring_buffer *buffer;
+	struct ring_buffer_per_cpu *cpu_buffer;
+	struct ring_buffer_event *event;
+	unsigned length;
+
+	cpu_buffer = iter->cpu_buffer;
+	buffer = cpu_buffer->buffer;
+
+	/*
+	 * Check if we are at the end of the buffer.
+	 */
+	if (iter->head >= iter->head_page->size) {
+		BUG_ON(iter->head_page == cpu_buffer->tail_page);
+		rb_inc_page(cpu_buffer, &iter->head_page);
+		rb_reset_iter_read_page(iter);
+		return;
+	}
+
+	event = rb_iter_head_event(iter);
+
+	length = rb_event_length(event);
+
+	/*
+	 * This should not be called to advance the header if we are
+	 * at the tail of the buffer.
+	 */
+	BUG_ON((iter->head_page == cpu_buffer->tail_page) &&
+	       (iter->head + length > cpu_buffer->tail));
+
+	rb_update_iter_read_stamp(iter, event);
+
+	iter->head += length;
+
+	/* check for end of page padding */
+	if ((iter->head >= iter->head_page->size) &&
+	    (iter->head_page != cpu_buffer->tail_page))
+		rb_advance_iter(iter);
+}
+
+/**
+ * ring_buffer_peek - peek at the next event to be read
+ * @buffer: The ring buffer to read
+ * @cpu: The cpu to peak at
+ * @ts: The timestamp counter of this event.
+ *
+ * This will return the event that will be read next, but does
+ * not consume the data.
+ */
+struct ring_buffer_event *
+ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	struct ring_buffer_event *event;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return NULL;
+
+	cpu_buffer = buffer->buffers[cpu];
+
+ again:
+	if (rb_per_cpu_empty(cpu_buffer))
+		return NULL;
+
+	event = rb_head_event(cpu_buffer);
+
+	switch (event->type) {
+	case RINGBUF_TYPE_PADDING:
+		rb_inc_page(cpu_buffer, &cpu_buffer->head_page);
+		rb_reset_read_page(cpu_buffer);
+		goto again;
+
+	case RINGBUF_TYPE_TIME_EXTEND:
+		/* Internal data, OK to advance */
+		rb_advance_head(cpu_buffer);
+		goto again;
+
+	case RINGBUF_TYPE_TIME_STAMP:
+		/* FIXME: not implemented */
+		rb_advance_head(cpu_buffer);
+		goto again;
+
+	case RINGBUF_TYPE_DATA:
+		if (ts) {
+			*ts = cpu_buffer->read_stamp + event->time_delta;
+			ring_buffer_normalize_time_stamp(cpu_buffer->cpu, ts);
+		}
+		return event;
+
+	default:
+		BUG();
+	}
+
+	return NULL;
+}
+
+/**
+ * ring_buffer_iter_peek - peek at the next event to be read
+ * @iter: The ring buffer iterator
+ * @ts: The timestamp counter of this event.
+ *
+ * This will return the event that will be read next, but does
+ * not increment the iterator.
+ */
+struct ring_buffer_event *
+ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts)
+{
+	struct ring_buffer *buffer;
+	struct ring_buffer_per_cpu *cpu_buffer;
+	struct ring_buffer_event *event;
+
+	if (ring_buffer_iter_empty(iter))
+		return NULL;
+
+	cpu_buffer = iter->cpu_buffer;
+	buffer = cpu_buffer->buffer;
+
+ again:
+	if (rb_per_cpu_empty(cpu_buffer))
+		return NULL;
+
+	event = rb_iter_head_event(iter);
+
+	switch (event->type) {
+	case RINGBUF_TYPE_PADDING:
+		rb_inc_page(cpu_buffer, &iter->head_page);
+		rb_reset_iter_read_page(iter);
+		goto again;
+
+	case RINGBUF_TYPE_TIME_EXTEND:
+		/* Internal data, OK to advance */
+		rb_advance_iter(iter);
+		goto again;
+
+	case RINGBUF_TYPE_TIME_STAMP:
+		/* FIXME: not implemented */
+		rb_advance_iter(iter);
+		goto again;
+
+	case RINGBUF_TYPE_DATA:
+		if (ts) {
+			*ts = iter->read_stamp + event->time_delta;
+			ring_buffer_normalize_time_stamp(cpu_buffer->cpu, ts);
+		}
+		return event;
+
+	default:
+		BUG();
+	}
+
+	return NULL;
+}
+
+/**
+ * ring_buffer_consume - return an event and consume it
+ * @buffer: The ring buffer to get the next event from
+ *
+ * Returns the next event in the ring buffer, and that event is consumed.
+ * Meaning, that sequential reads will keep returning a different event,
+ * and eventually empty the ring buffer if the producer is slower.
+ */
+struct ring_buffer_event *
+ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	struct ring_buffer_event *event;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return NULL;
+
+	event = ring_buffer_peek(buffer, cpu, ts);
+	if (!event)
+		return NULL;
+
+	cpu_buffer = buffer->buffers[cpu];
+	rb_advance_head(cpu_buffer);
+
+	return event;
+}
+
+/**
+ * ring_buffer_read_start - start a non consuming read of the buffer
+ * @buffer: The ring buffer to read from
+ * @cpu: The cpu buffer to iterate over
+ *
+ * This starts up an iteration through the buffer. It also disables
+ * the recording to the buffer until the reading is finished.
+ * This prevents the reading from being corrupted. This is not
+ * a consuming read, so a producer is not expected.
+ *
+ * Must be paired with ring_buffer_finish.
+ */
+struct ring_buffer_iter *
+ring_buffer_read_start(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	struct ring_buffer_iter *iter;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return NULL;
+
+	iter = kmalloc(sizeof(*iter), GFP_KERNEL);
+	if (!iter)
+		return NULL;
+
+	cpu_buffer = buffer->buffers[cpu];
+
+	iter->cpu_buffer = cpu_buffer;
+
+	atomic_inc(&cpu_buffer->record_disabled);
+	synchronize_sched();
+
+	spin_lock(&cpu_buffer->lock);
+	iter->head = cpu_buffer->head;
+	iter->head_page = cpu_buffer->head_page;
+	rb_reset_iter_read_page(iter);
+	spin_unlock(&cpu_buffer->lock);
+
+	return iter;
+}
+
+/**
+ * ring_buffer_finish - finish reading the iterator of the buffer
+ * @iter: The iterator retrieved by ring_buffer_start
+ *
+ * This re-enables the recording to the buffer, and frees the
+ * iterator.
+ */
+void
+ring_buffer_read_finish(struct ring_buffer_iter *iter)
+{
+	struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer;
+
+	atomic_dec(&cpu_buffer->record_disabled);
+	kfree(iter);
+}
+
+/**
+ * ring_buffer_read - read the next item in the ring buffer by the iterator
+ * @iter: The ring buffer iterator
+ * @ts: The time stamp of the event read.
+ *
+ * This reads the next event in the ring buffer and increments the iterator.
+ */
+struct ring_buffer_event *
+ring_buffer_read(struct ring_buffer_iter *iter, u64 *ts)
+{
+	struct ring_buffer_event *event;
+
+	event = ring_buffer_iter_peek(iter, ts);
+	if (!event)
+		return NULL;
+
+	rb_advance_iter(iter);
+
+	return event;
+}
+
+/**
+ * ring_buffer_size - return the size of the ring buffer (in bytes)
+ * @buffer: The ring buffer.
+ */
+unsigned long ring_buffer_size(struct ring_buffer *buffer)
+{
+	return BUF_PAGE_SIZE * buffer->pages;
+}
+
+static void
+rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	cpu_buffer->head_page
+		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
+	cpu_buffer->tail_page
+		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
+
+	cpu_buffer->head = cpu_buffer->tail = 0;
+	cpu_buffer->overrun = 0;
+	cpu_buffer->entries = 0;
+}
+
+/**
+ * ring_buffer_reset_cpu - reset a ring buffer per CPU buffer
+ * @buffer: The ring buffer to reset a per cpu buffer of
+ * @cpu: The CPU buffer to be reset
+ */
+void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer = buffer->buffers[cpu];
+	unsigned long flags;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return;
+
+	raw_local_irq_save(flags);
+	spin_lock(&cpu_buffer->lock);
+
+	rb_reset_cpu(cpu_buffer);
+
+	spin_unlock(&cpu_buffer->lock);
+	raw_local_irq_restore(flags);
+}
+
+/**
+ * ring_buffer_reset - reset a ring buffer
+ * @buffer: The ring buffer to reset all cpu buffers
+ */
+void ring_buffer_reset(struct ring_buffer *buffer)
+{
+	unsigned long flags;
+	int cpu;
+
+	ring_buffer_lock(buffer, &flags);
+
+	for_each_buffer_cpu(buffer, cpu)
+		rb_reset_cpu(buffer->buffers[cpu]);
+
+	ring_buffer_unlock(buffer, flags);
+}
+
+/**
+ * rind_buffer_empty - is the ring buffer empty?
+ * @buffer: The ring buffer to test
+ */
+int ring_buffer_empty(struct ring_buffer *buffer)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+	int cpu;
+
+	/* yes this is racy, but if you don't like the race, lock the buffer */
+	for_each_buffer_cpu(buffer, cpu) {
+		cpu_buffer = buffer->buffers[cpu];
+		if (!rb_per_cpu_empty(cpu_buffer))
+			return 0;
+	}
+	return 1;
+}
+
+/**
+ * ring_buffer_empty_cpu - is a cpu buffer of a ring buffer empty?
+ * @buffer: The ring buffer
+ * @cpu: The CPU buffer to test
+ */
+int ring_buffer_empty_cpu(struct ring_buffer *buffer, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer;
+
+	if (!cpu_isset(cpu, buffer->cpumask))
+		return 1;
+
+	cpu_buffer = buffer->buffers[cpu];
+	return rb_per_cpu_empty(cpu_buffer);
+}
+
+/**
+ * ring_buffer_swap_cpu - swap a CPU buffer between two ring buffers
+ * @buffer_a: One buffer to swap with
+ * @buffer_b: The other buffer to swap with
+ *
+ * This function is useful for tracers that want to take a "snapshot"
+ * of a CPU buffer and has another back up buffer lying around.
+ * it is expected that the tracer handles the cpu buffer not being
+ * used at the moment.
+ */
+int ring_buffer_swap_cpu(struct ring_buffer *buffer_a,
+			 struct ring_buffer *buffer_b, int cpu)
+{
+	struct ring_buffer_per_cpu *cpu_buffer_a;
+	struct ring_buffer_per_cpu *cpu_buffer_b;
+
+	if (!cpu_isset(cpu, buffer_a->cpumask) ||
+	    !cpu_isset(cpu, buffer_b->cpumask))
+		return -EINVAL;
+
+	/* At least make sure the two buffers are somewhat the same */
+	if (buffer_a->size != buffer_b->size ||
+	    buffer_a->pages != buffer_b->pages)
+		return -EINVAL;
+
+	cpu_buffer_a = buffer_a->buffers[cpu];
+	cpu_buffer_b = buffer_b->buffers[cpu];
+
+	/*
+	 * We can't do a synchronize_sched here because this
+	 * function can be called in atomic context.
+	 * Normally this will be called from the same CPU as cpu.
+	 * If not it's up to the caller to protect this.
+	 */
+	atomic_inc(&cpu_buffer_a->record_disabled);
+	atomic_inc(&cpu_buffer_b->record_disabled);
+
+	buffer_a->buffers[cpu] = cpu_buffer_b;
+	buffer_b->buffers[cpu] = cpu_buffer_a;
+
+	cpu_buffer_b->buffer = buffer_a;
+	cpu_buffer_a->buffer = buffer_b;
+
+	atomic_dec(&cpu_buffer_a->record_disabled);
+	atomic_dec(&cpu_buffer_b->record_disabled);
+
+	return 0;
+}
+
-- 
GitLab


From a7b1374333407f409cf8df7e623b12490f073c84 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 29 Sep 2008 23:02:39 -0400
Subject: [PATCH 0523/2224] ring_buffer: add paranoid check for buffer page

If for some strange reason the buffer_page gets bigger, or the page struct
gets smaller, I want to know this ASAP.  The best way is to not let the
kernel compile.

This patch adds code to test the size of the struct buffer_page against the
page struct and will cause compile issues if the buffer_page ever gets bigger
than the page struct.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 830a2930dd9..95ca9338cb6 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -289,6 +289,12 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer)
 	kfree(cpu_buffer);
 }
 
+/*
+ * Causes compile errors if the struct buffer_page gets bigger
+ * than the struct page.
+ */
+extern int ring_buffer_page_too_big(void);
+
 /**
  * ring_buffer_alloc - allocate a new ring_buffer
  * @size: the size in bytes that is needed.
@@ -305,6 +311,11 @@ struct ring_buffer *ring_buffer_alloc(unsigned long size, unsigned flags)
 	int bsize;
 	int cpu;
 
+	/* Paranoid! Optimizes out when all is well */
+	if (sizeof(struct buffer_page) > sizeof(struct page))
+		ring_buffer_page_too_big();
+
+
 	/* keep it in its own cache line */
 	buffer = kzalloc(ALIGN(sizeof(*buffer), cache_line_size()),
 			 GFP_KERNEL);
-- 
GitLab


From ed56829cb3195de499f97fa6108fe9134319bae6 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 29 Sep 2008 23:02:40 -0400
Subject: [PATCH 0524/2224] ring_buffer: reset buffer page when freeing

Mathieu Desnoyers pointed out that the freeing of the page frame needs
to be reset otherwise we might trigger BUG_ON in the page free code.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 95ca9338cb6..cfa711374d9 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -127,6 +127,17 @@ struct buffer_page {
 	};
 };
 
+/*
+ * Also stolen from mm/slob.c. Thanks to Mathieu Desnoyers for pointing
+ * this issue out.
+ */
+static inline void free_buffer_page(struct buffer_page *bpage)
+{
+	reset_page_mapcount(&bpage->page);
+	bpage->page.mapping = NULL;
+	__free_page(&bpage->page);
+}
+
 /*
  * We need to fit the time_stamp delta into 27 bits.
  */
@@ -240,7 +251,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
  free_pages:
 	list_for_each_entry_safe(page, tmp, &pages, list) {
 		list_del_init(&page->list);
-		__free_page(&page->page);
+		free_buffer_page(page);
 	}
 	return -ENOMEM;
 }
@@ -284,7 +295,7 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer)
 
 	list_for_each_entry_safe(page, tmp, head, list) {
 		list_del_init(&page->list);
-		__free_page(&page->page);
+		free_buffer_page(page);
 	}
 	kfree(cpu_buffer);
 }
@@ -393,7 +404,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned nr_pages)
 		p = cpu_buffer->pages.next;
 		page = list_entry(p, struct buffer_page, list);
 		list_del_init(&page->list);
-		__free_page(&page->page);
+		free_buffer_page(page);
 	}
 	BUG_ON(list_empty(&cpu_buffer->pages));
 
@@ -520,7 +531,7 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size)
  free_pages:
 	list_for_each_entry_safe(page, tmp, &pages, list) {
 		list_del_init(&page->list);
-		__free_page(&page->page);
+		free_buffer_page(page);
 	}
 	return -ENOMEM;
 }
-- 
GitLab


From 3928a8a2d98081d1bc3c0a84a2d70e29b90ecf1c Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 29 Sep 2008 23:02:41 -0400
Subject: [PATCH 0525/2224] ftrace: make work with new ring buffer

This patch ports ftrace over to the new ring buffer.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c              | 932 ++++++++----------------------
 kernel/trace/trace.h              |  22 +-
 kernel/trace/trace_boot.c         |  16 +-
 kernel/trace/trace_functions.c    |   2 +-
 kernel/trace/trace_irqsoff.c      |   6 +-
 kernel/trace/trace_mmiotrace.c    |  40 +-
 kernel/trace/trace_nop.c          |   2 +-
 kernel/trace/trace_sched_switch.c |   2 +-
 kernel/trace/trace_sched_wakeup.c |   2 +-
 kernel/trace/trace_selftest.c     |  60 +-
 kernel/trace/trace_sysprof.c      |   2 +-
 11 files changed, 288 insertions(+), 798 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 6ada059832a..ef80793858b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -33,25 +33,22 @@
 #include <linux/writeback.h>
 
 #include <linux/stacktrace.h>
+#include <linux/ring_buffer.h>
 
 #include "trace.h"
 
+#define TRACE_BUFFER_FLAGS	(RB_FL_OVERWRITE)
+
 unsigned long __read_mostly	tracing_max_latency = (cycle_t)ULONG_MAX;
 unsigned long __read_mostly	tracing_thresh;
 
-static unsigned long __read_mostly	tracing_nr_buffers;
 static cpumask_t __read_mostly		tracing_buffer_mask;
 
 #define for_each_tracing_cpu(cpu)	\
 	for_each_cpu_mask(cpu, tracing_buffer_mask)
 
-static int trace_alloc_page(void);
-static int trace_free_page(void);
-
 static int tracing_disabled = 1;
 
-static unsigned long tracing_pages_allocated;
-
 long
 ns2usecs(cycle_t nsec)
 {
@@ -62,7 +59,9 @@ ns2usecs(cycle_t nsec)
 
 cycle_t ftrace_now(int cpu)
 {
-	return cpu_clock(cpu);
+	u64 ts = ring_buffer_time_stamp(cpu);
+	ring_buffer_normalize_time_stamp(cpu, &ts);
+	return ts;
 }
 
 /*
@@ -102,18 +101,18 @@ static int			tracer_enabled = 1;
 int				ftrace_function_enabled;
 
 /*
- * trace_nr_entries is the number of entries that is allocated
- * for a buffer. Note, the number of entries is always rounded
- * to ENTRIES_PER_PAGE.
+ * trace_buf_size is the size in bytes that is allocated
+ * for a buffer. Note, the number of bytes is always rounded
+ * to page size.
  *
  * This number is purposely set to a low number of 16384.
  * If the dump on oops happens, it will be much appreciated
  * to not have to wait for all that output. Anyway this can be
  * boot time and run time configurable.
  */
-#define TRACE_ENTRIES_DEFAULT	16384UL
+#define TRACE_BUF_SIZE_DEFAULT	1441792UL /* 16384 * 88 (sizeof(entry)) */
 
-static unsigned long		trace_nr_entries = TRACE_ENTRIES_DEFAULT;
+static unsigned long		trace_buf_size = TRACE_BUF_SIZE_DEFAULT;
 
 /* trace_types holds a link list of available tracers. */
 static struct tracer		*trace_types __read_mostly;
@@ -158,23 +157,21 @@ void trace_wake_up(void)
 		wake_up(&trace_wait);
 }
 
-#define ENTRIES_PER_PAGE (PAGE_SIZE / sizeof(struct trace_entry))
-
-static int __init set_nr_entries(char *str)
+static int __init set_buf_size(char *str)
 {
-	unsigned long nr_entries;
+	unsigned long buf_size;
 	int ret;
 
 	if (!str)
 		return 0;
-	ret = strict_strtoul(str, 0, &nr_entries);
+	ret = strict_strtoul(str, 0, &buf_size);
 	/* nr_entries can not be zero */
-	if (ret < 0 || nr_entries == 0)
+	if (ret < 0 || buf_size == 0)
 		return 0;
-	trace_nr_entries = nr_entries;
+	trace_buf_size = buf_size;
 	return 1;
 }
-__setup("trace_entries=", set_nr_entries);
+__setup("trace_buf_size=", set_buf_size);
 
 unsigned long nsecs_to_usecs(unsigned long nsecs)
 {
@@ -243,54 +240,6 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 	tracing_record_cmdline(current);
 }
 
-#define CHECK_COND(cond)			\
-	if (unlikely(cond)) {			\
-		tracing_disabled = 1;		\
-		WARN_ON(1);			\
-		return -1;			\
-	}
-
-/**
- * check_pages - integrity check of trace buffers
- *
- * As a safty measure we check to make sure the data pages have not
- * been corrupted.
- */
-int check_pages(struct trace_array_cpu *data)
-{
-	struct page *page, *tmp;
-
-	CHECK_COND(data->trace_pages.next->prev != &data->trace_pages);
-	CHECK_COND(data->trace_pages.prev->next != &data->trace_pages);
-
-	list_for_each_entry_safe(page, tmp, &data->trace_pages, lru) {
-		CHECK_COND(page->lru.next->prev != &page->lru);
-		CHECK_COND(page->lru.prev->next != &page->lru);
-	}
-
-	return 0;
-}
-
-/**
- * head_page - page address of the first page in per_cpu buffer.
- *
- * head_page returns the page address of the first page in
- * a per_cpu buffer. This also preforms various consistency
- * checks to make sure the buffer has not been corrupted.
- */
-void *head_page(struct trace_array_cpu *data)
-{
-	struct page *page;
-
-	if (list_empty(&data->trace_pages))
-		return NULL;
-
-	page = list_entry(data->trace_pages.next, struct page, lru);
-	BUG_ON(&page->lru == &data->trace_pages);
-
-	return page_address(page);
-}
-
 /**
  * trace_seq_printf - sequence printing of trace information
  * @s: trace sequence descriptor
@@ -437,34 +386,6 @@ trace_print_seq(struct seq_file *m, struct trace_seq *s)
 	trace_seq_reset(s);
 }
 
-/*
- * flip the trace buffers between two trace descriptors.
- * This usually is the buffers between the global_trace and
- * the max_tr to record a snapshot of a current trace.
- *
- * The ftrace_max_lock must be held.
- */
-static void
-flip_trace(struct trace_array_cpu *tr1, struct trace_array_cpu *tr2)
-{
-	struct list_head flip_pages;
-
-	INIT_LIST_HEAD(&flip_pages);
-
-	memcpy(&tr1->trace_head_idx, &tr2->trace_head_idx,
-		sizeof(struct trace_array_cpu) -
-		offsetof(struct trace_array_cpu, trace_head_idx));
-
-	check_pages(tr1);
-	check_pages(tr2);
-	list_splice_init(&tr1->trace_pages, &flip_pages);
-	list_splice_init(&tr2->trace_pages, &tr1->trace_pages);
-	list_splice_init(&flip_pages, &tr2->trace_pages);
-	BUG_ON(!list_empty(&flip_pages));
-	check_pages(tr1);
-	check_pages(tr2);
-}
-
 /**
  * update_max_tr - snapshot all trace buffers from global_trace to max_tr
  * @tr: tracer
@@ -477,17 +398,15 @@ flip_trace(struct trace_array_cpu *tr1, struct trace_array_cpu *tr2)
 void
 update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 {
-	struct trace_array_cpu *data;
-	int i;
+	struct ring_buffer *buf = tr->buffer;
 
 	WARN_ON_ONCE(!irqs_disabled());
 	__raw_spin_lock(&ftrace_max_lock);
-	/* clear out all the previous traces */
-	for_each_tracing_cpu(i) {
-		data = tr->data[i];
-		flip_trace(max_tr.data[i], data);
-		tracing_reset(data);
-	}
+
+	tr->buffer = max_tr.buffer;
+	max_tr.buffer = buf;
+
+	ring_buffer_reset(tr->buffer);
 
 	__update_max_tr(tr, tsk, cpu);
 	__raw_spin_unlock(&ftrace_max_lock);
@@ -504,16 +423,15 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 void
 update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
 {
-	struct trace_array_cpu *data = tr->data[cpu];
-	int i;
+	int ret;
 
 	WARN_ON_ONCE(!irqs_disabled());
 	__raw_spin_lock(&ftrace_max_lock);
-	for_each_tracing_cpu(i)
-		tracing_reset(max_tr.data[i]);
 
-	flip_trace(max_tr.data[cpu], data);
-	tracing_reset(data);
+	ring_buffer_reset(max_tr.buffer);
+	ret = ring_buffer_swap_cpu(max_tr.buffer, tr->buffer, cpu);
+
+	WARN_ON_ONCE(ret);
 
 	__update_max_tr(tr, tsk, cpu);
 	__raw_spin_unlock(&ftrace_max_lock);
@@ -550,7 +468,6 @@ int register_tracer(struct tracer *type)
 #ifdef CONFIG_FTRACE_STARTUP_TEST
 	if (type->selftest) {
 		struct tracer *saved_tracer = current_trace;
-		struct trace_array_cpu *data;
 		struct trace_array *tr = &global_trace;
 		int saved_ctrl = tr->ctrl;
 		int i;
@@ -562,10 +479,7 @@ int register_tracer(struct tracer *type)
 		 * If we fail, we do not register this tracer.
 		 */
 		for_each_tracing_cpu(i) {
-			data = tr->data[i];
-			if (!head_page(data))
-				continue;
-			tracing_reset(data);
+			tracing_reset(tr, i);
 		}
 		current_trace = type;
 		tr->ctrl = 0;
@@ -581,10 +495,7 @@ int register_tracer(struct tracer *type)
 		}
 		/* Only reset on passing, to avoid touching corrupted buffers */
 		for_each_tracing_cpu(i) {
-			data = tr->data[i];
-			if (!head_page(data))
-				continue;
-			tracing_reset(data);
+			tracing_reset(tr, i);
 		}
 		printk(KERN_CONT "PASSED\n");
 	}
@@ -630,13 +541,9 @@ void unregister_tracer(struct tracer *type)
 	mutex_unlock(&trace_types_lock);
 }
 
-void tracing_reset(struct trace_array_cpu *data)
+void tracing_reset(struct trace_array *tr, int cpu)
 {
-	data->trace_idx = 0;
-	data->overrun = 0;
-	data->trace_head = data->trace_tail = head_page(data);
-	data->trace_head_idx = 0;
-	data->trace_tail_idx = 0;
+	ring_buffer_reset_cpu(tr->buffer, cpu);
 }
 
 #define SAVED_CMDLINES 128
@@ -722,70 +629,6 @@ void tracing_record_cmdline(struct task_struct *tsk)
 	trace_save_cmdline(tsk);
 }
 
-static inline struct list_head *
-trace_next_list(struct trace_array_cpu *data, struct list_head *next)
-{
-	/*
-	 * Roundrobin - but skip the head (which is not a real page):
-	 */
-	next = next->next;
-	if (unlikely(next == &data->trace_pages))
-		next = next->next;
-	BUG_ON(next == &data->trace_pages);
-
-	return next;
-}
-
-static inline void *
-trace_next_page(struct trace_array_cpu *data, void *addr)
-{
-	struct list_head *next;
-	struct page *page;
-
-	page = virt_to_page(addr);
-
-	next = trace_next_list(data, &page->lru);
-	page = list_entry(next, struct page, lru);
-
-	return page_address(page);
-}
-
-struct trace_entry *
-tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
-{
-	unsigned long idx, idx_next;
-	struct trace_entry *entry;
-
-	data->trace_idx++;
-	idx = data->trace_head_idx;
-	idx_next = idx + 1;
-
-	BUG_ON(idx * TRACE_ENTRY_SIZE >= PAGE_SIZE);
-
-	entry = data->trace_head + idx * TRACE_ENTRY_SIZE;
-
-	if (unlikely(idx_next >= ENTRIES_PER_PAGE)) {
-		data->trace_head = trace_next_page(data, data->trace_head);
-		idx_next = 0;
-	}
-
-	if (data->trace_head == data->trace_tail &&
-	    idx_next == data->trace_tail_idx) {
-		/* overrun */
-		data->overrun++;
-		data->trace_tail_idx++;
-		if (data->trace_tail_idx >= ENTRIES_PER_PAGE) {
-			data->trace_tail =
-				trace_next_page(data, data->trace_tail);
-			data->trace_tail_idx = 0;
-		}
-	}
-
-	data->trace_head_idx = idx_next;
-
-	return entry;
-}
-
 void
 tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
 {
@@ -796,7 +639,6 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
 
 	entry->field.preempt_count	= pc & 0xff;
 	entry->field.pid		= (tsk) ? tsk->pid : 0;
-	entry->field.t			= ftrace_now(raw_smp_processor_id());
 	entry->field.flags =
 		(irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
 		((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) |
@@ -808,18 +650,20 @@ void
 trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 	       unsigned long ip, unsigned long parent_ip, unsigned long flags)
 {
+	struct ring_buffer_event *event;
 	struct trace_entry *entry;
 	unsigned long irq_flags;
 
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-	entry				= tracing_get_trace_entry(tr, data);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					 &irq_flags);
+	if (!event)
+		return;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, flags);
 	entry->type			= TRACE_FN;
 	entry->field.fn.ip		= ip;
 	entry->field.fn.parent_ip	= parent_ip;
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 }
 
 void
@@ -835,13 +679,19 @@ void __trace_stack(struct trace_array *tr,
 		   unsigned long flags,
 		   int skip)
 {
+	struct ring_buffer_event *event;
 	struct trace_entry *entry;
 	struct stack_trace trace;
+	unsigned long irq_flags;
 
 	if (!(trace_flags & TRACE_ITER_STACKTRACE))
 		return;
 
-	entry			= tracing_get_trace_entry(tr, data);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					 &irq_flags);
+	if (!event)
+		return;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, flags);
 	entry->type		= TRACE_STACK;
 
@@ -853,28 +703,31 @@ void __trace_stack(struct trace_array *tr,
 	trace.entries		= entry->field.stack.caller;
 
 	save_stack_trace(&trace);
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 }
 
 void
 __trace_special(void *__tr, void *__data,
 		unsigned long arg1, unsigned long arg2, unsigned long arg3)
 {
+	struct ring_buffer_event *event;
 	struct trace_array_cpu *data = __data;
 	struct trace_array *tr = __tr;
 	struct trace_entry *entry;
 	unsigned long irq_flags;
 
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-	entry				= tracing_get_trace_entry(tr, data);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					 &irq_flags);
+	if (!event)
+		return;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, 0);
 	entry->type			= TRACE_SPECIAL;
 	entry->field.special.arg1	= arg1;
 	entry->field.special.arg2	= arg2;
 	entry->field.special.arg3	= arg3;
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 	__trace_stack(tr, data, irq_flags, 4);
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
 
 	trace_wake_up();
 }
@@ -886,12 +739,15 @@ tracing_sched_switch_trace(struct trace_array *tr,
 			   struct task_struct *next,
 			   unsigned long flags)
 {
+	struct ring_buffer_event *event;
 	struct trace_entry *entry;
 	unsigned long irq_flags;
 
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-	entry				= tracing_get_trace_entry(tr, data);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					   &irq_flags);
+	if (!event)
+		return;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, flags);
 	entry->type			= TRACE_CTX;
 	entry->field.ctx.prev_pid	= prev->pid;
@@ -901,9 +757,8 @@ tracing_sched_switch_trace(struct trace_array *tr,
 	entry->field.ctx.next_prio	= next->prio;
 	entry->field.ctx.next_state	= next->state;
 	entry->field.ctx.next_cpu	= task_cpu(next);
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 	__trace_stack(tr, data, flags, 5);
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
 }
 
 void
@@ -913,12 +768,15 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 			   struct task_struct *curr,
 			   unsigned long flags)
 {
+	struct ring_buffer_event *event;
 	struct trace_entry *entry;
 	unsigned long irq_flags;
 
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-	entry			= tracing_get_trace_entry(tr, data);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					   &irq_flags);
+	if (!event)
+		return;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, flags);
 	entry->type		= TRACE_WAKE;
 	entry->field.ctx.prev_pid	= curr->pid;
@@ -928,9 +786,8 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 	entry->field.ctx.next_prio	= wakee->prio;
 	entry->field.ctx.next_state	= wakee->state;
 	entry->field.ctx.next_cpu	= task_cpu(wakee);
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 	__trace_stack(tr, data, flags, 6);
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
 
 	trace_wake_up();
 }
@@ -1011,183 +868,77 @@ enum trace_file_type {
 	TRACE_FILE_LAT_FMT	= 1,
 };
 
-/* Return the current entry.  */
-static struct trace_entry *
-trace_entry_idx(struct trace_array *tr, struct trace_array_cpu *data,
-		struct trace_iterator *iter, int cpu)
-{
-	struct page *page;
-	struct trace_entry *array;
-
-	if (iter->next_idx[cpu] >= tr->entries ||
-	    iter->next_idx[cpu] >= data->trace_idx ||
-	    (data->trace_head == data->trace_tail &&
-	     data->trace_head_idx == data->trace_tail_idx))
-		return NULL;
-
-	if (!iter->next_page[cpu]) {
-		/* Initialize the iterator for this cpu trace buffer */
-		WARN_ON(!data->trace_tail);
-		page = virt_to_page(data->trace_tail);
-		iter->next_page[cpu] = &page->lru;
-		iter->next_page_idx[cpu] = data->trace_tail_idx;
-	}
-
-	page = list_entry(iter->next_page[cpu], struct page, lru);
-	BUG_ON(&data->trace_pages == &page->lru);
-
-	array = page_address(page);
-
-	WARN_ON(iter->next_page_idx[cpu] >= ENTRIES_PER_PAGE);
-	return &array[iter->next_page_idx[cpu]];
-}
-
-/* Increment the index counter of an iterator by one */
-static void __trace_iterator_increment(struct trace_iterator *iter, int cpu)
-{
-	iter->next_idx[cpu]++;
-	iter->next_page_idx[cpu]++;
-
-	if (iter->next_page_idx[cpu] >= ENTRIES_PER_PAGE) {
-		struct trace_array_cpu *data = iter->tr->data[cpu];
-
-		iter->next_page_idx[cpu] = 0;
-		iter->next_page[cpu] =
-			trace_next_list(data, iter->next_page[cpu]);
-	}
-}
-
 static void trace_iterator_increment(struct trace_iterator *iter, int cpu)
 {
 	iter->idx++;
-	__trace_iterator_increment(iter, cpu);
+	ring_buffer_read(iter->buffer_iter[iter->cpu], NULL);
 }
 
 static struct trace_entry *
-trace_entry_next(struct trace_array *tr, struct trace_array_cpu *data,
-		 struct trace_iterator *iter, int cpu)
+peek_next_entry(struct trace_iterator *iter, int cpu, u64 *ts)
 {
-	struct list_head *next_page;
-	struct trace_entry *ent;
-	int idx, next_idx, next_page_idx;
-
-	ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu);
-
-	if (likely(!ent || ent->type != TRACE_CONT))
-		return ent;
-
-	/* save the iterator details */
-	idx		= iter->idx;
-	next_idx	= iter->next_idx[cpu];
-	next_page_idx	= iter->next_page_idx[cpu];
-	next_page	= iter->next_page[cpu];
-
-	/* find a real entry */
-	do {
-		__trace_iterator_increment(iter, cpu);
-		ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu);
-	} while (ent && ent->type != TRACE_CONT);
-
-	/* reset the iterator */
-	iter->idx			= idx;
-	iter->next_idx[cpu]		= next_idx;
-	iter->next_page_idx[cpu]	= next_page_idx;
-	iter->next_page[cpu]		= next_page;
+	struct ring_buffer_event *event;
+	struct ring_buffer_iter *buf_iter = iter->buffer_iter[cpu];
 
-	return ent;
+	event = ring_buffer_iter_peek(buf_iter, ts);
+	return event ? ring_buffer_event_data(event) : NULL;
 }
-
 static struct trace_entry *
-__find_next_entry(struct trace_iterator *iter, int *ent_cpu, int inc)
+__find_next_entry(struct trace_iterator *iter, int *ent_cpu, u64 *ent_ts)
 {
-	struct trace_array *tr = iter->tr;
+	struct ring_buffer *buffer = iter->tr->buffer;
 	struct trace_entry *ent, *next = NULL;
+	u64 next_ts = 0, ts;
 	int next_cpu = -1;
 	int cpu;
 
 	for_each_tracing_cpu(cpu) {
-		if (!head_page(tr->data[cpu]))
-			continue;
 
-		ent = trace_entry_idx(tr, tr->data[cpu], iter, cpu);
+		if (ring_buffer_empty_cpu(buffer, cpu))
+			continue;
 
-		if (ent && ent->type == TRACE_CONT) {
-			struct trace_array_cpu *data = tr->data[cpu];
-
-			if (!inc)
-				ent = trace_entry_next(tr, data, iter, cpu);
-			else {
-				while (ent && ent->type == TRACE_CONT) {
-					__trace_iterator_increment(iter, cpu);
-					ent = trace_entry_idx(tr, tr->data[cpu],
-							      iter, cpu);
-				}
-			}
-		}
+		ent = peek_next_entry(iter, cpu, &ts);
 
 		/*
 		 * Pick the entry with the smallest timestamp:
 		 */
-		if (ent && (!next || ent->field.t < next->field.t)) {
+		if (ent && (!next || ts < next_ts)) {
 			next = ent;
 			next_cpu = cpu;
+			next_ts = ts;
 		}
 	}
 
 	if (ent_cpu)
 		*ent_cpu = next_cpu;
 
+	if (ent_ts)
+		*ent_ts = next_ts;
+
 	return next;
 }
 
 /* Find the next real entry, without updating the iterator itself */
 static struct trace_entry *
-find_next_entry(struct trace_iterator *iter, int *ent_cpu)
+find_next_entry(struct trace_iterator *iter, int *ent_cpu, u64 *ent_ts)
 {
-	return __find_next_entry(iter, ent_cpu, 0);
+	return __find_next_entry(iter, ent_cpu, ent_ts);
 }
 
 /* Find the next real entry, and increment the iterator to the next entry */
 static void *find_next_entry_inc(struct trace_iterator *iter)
 {
-	struct trace_entry *next;
-	int next_cpu = -1;
-
-	next = __find_next_entry(iter, &next_cpu, 1);
-
-	iter->prev_ent = iter->ent;
-	iter->prev_cpu = iter->cpu;
+	iter->ent = __find_next_entry(iter, &iter->cpu, &iter->ts);
 
-	iter->ent = next;
-	iter->cpu = next_cpu;
-
-	if (next)
+	if (iter->ent)
 		trace_iterator_increment(iter, iter->cpu);
 
-	return next ? iter : NULL;
+	return iter->ent ? iter : NULL;
 }
 
 static void trace_consume(struct trace_iterator *iter)
 {
-	struct trace_array_cpu *data = iter->tr->data[iter->cpu];
-	struct trace_entry *ent;
-
- again:
-	data->trace_tail_idx++;
-	if (data->trace_tail_idx >= ENTRIES_PER_PAGE) {
-		data->trace_tail = trace_next_page(data, data->trace_tail);
-		data->trace_tail_idx = 0;
-	}
-
-	/* Check if we empty it, then reset the index */
-	if (data->trace_head == data->trace_tail &&
-	    data->trace_head_idx == data->trace_tail_idx)
-		data->trace_idx = 0;
-
-	ent = trace_entry_idx(iter->tr, iter->tr->data[iter->cpu],
-			      iter, iter->cpu);
-	if (ent && ent->type == TRACE_CONT)
-		goto again;
+	ring_buffer_consume(iter->tr->buffer, iter->cpu, &iter->ts);
 }
 
 static void *s_next(struct seq_file *m, void *v, loff_t *pos)
@@ -1220,7 +971,7 @@ static void *s_start(struct seq_file *m, loff_t *pos)
 	struct trace_iterator *iter = m->private;
 	void *p = NULL;
 	loff_t l = 0;
-	int i;
+	int cpu;
 
 	mutex_lock(&trace_types_lock);
 
@@ -1239,12 +990,9 @@ static void *s_start(struct seq_file *m, loff_t *pos)
 		iter->ent = NULL;
 		iter->cpu = 0;
 		iter->idx = -1;
-		iter->prev_ent = NULL;
-		iter->prev_cpu = -1;
 
-		for_each_tracing_cpu(i) {
-			iter->next_idx[i] = 0;
-			iter->next_page[i] = NULL;
+		for_each_tracing_cpu(cpu) {
+			ring_buffer_iter_reset(iter->buffer_iter[cpu]);
 		}
 
 		for (p = iter; p && l < *pos; p = s_next(m, p, &l))
@@ -1365,23 +1113,16 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
 	struct trace_array *tr = iter->tr;
 	struct trace_array_cpu *data = tr->data[tr->cpu];
 	struct tracer *type = current_trace;
-	unsigned long total   = 0;
-	unsigned long entries = 0;
-	int cpu;
+	unsigned long total;
+	unsigned long entries;
 	const char *name = "preemption";
 
 	if (type)
 		name = type->name;
 
-	for_each_tracing_cpu(cpu) {
-		if (head_page(tr->data[cpu])) {
-			total += tr->data[cpu]->trace_idx;
-			if (tr->data[cpu]->trace_idx > tr->entries)
-				entries += tr->entries;
-			else
-				entries += tr->data[cpu]->trace_idx;
-		}
-	}
+	entries = ring_buffer_entries(iter->tr->buffer);
+	total = entries +
+		ring_buffer_overruns(iter->tr->buffer);
 
 	seq_printf(m, "%s latency trace v1.1.5 on %s\n",
 		   name, UTS_RELEASE);
@@ -1468,7 +1209,7 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 unsigned long preempt_mark_thresh = 100;
 
 static void
-lat_print_timestamp(struct trace_seq *s, unsigned long long abs_usecs,
+lat_print_timestamp(struct trace_seq *s, u64 abs_usecs,
 		    unsigned long rel_usecs)
 {
 	trace_seq_printf(s, " %4lldus", abs_usecs);
@@ -1488,12 +1229,10 @@ static const char state_to_char[] = TASK_STATE_TO_CHAR_STR;
  */
 void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 {
-	struct trace_array *tr = iter->tr;
-	struct trace_array_cpu *data = tr->data[iter->cpu];
 	struct trace_entry *ent;
 	bool ok = true;
 
-	ent = trace_entry_idx(tr, data, iter, iter->cpu);
+	ent = peek_next_entry(iter, iter->cpu, NULL);
 	if (!ent || ent->type != TRACE_CONT) {
 		trace_seq_putc(s, '\n');
 		return;
@@ -1502,8 +1241,8 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 	do {
 		if (ok)
 			ok = (trace_seq_printf(s, "%s", ent->cont.buf) > 0);
-		__trace_iterator_increment(iter, iter->cpu);
-		ent = trace_entry_idx(tr, data, iter, iter->cpu);
+		ring_buffer_read(iter->buffer_iter[iter->cpu], NULL);
+		ent = peek_next_entry(iter, iter->cpu, NULL);
 	} while (ent && ent->type == TRACE_CONT);
 
 	if (!ok)
@@ -1515,25 +1254,26 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 {
 	struct trace_seq *s = &iter->seq;
 	unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK);
-	struct trace_entry *next_entry = find_next_entry(iter, NULL);
+	struct trace_entry *next_entry;
 	unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE);
 	struct trace_entry *entry = iter->ent;
 	struct trace_field *field = &entry->field;
 	unsigned long abs_usecs;
 	unsigned long rel_usecs;
+	u64 next_ts;
 	char *comm;
 	int S, T;
 	int i;
 	unsigned state;
 
-	if (!next_entry)
-		next_entry = entry;
-
 	if (entry->type == TRACE_CONT)
 		return 1;
 
-	rel_usecs = ns2usecs(next_entry->field.t - entry->field.t);
-	abs_usecs = ns2usecs(entry->field.t - iter->tr->time_start);
+	next_entry = find_next_entry(iter, NULL, &next_ts);
+	if (!next_entry)
+		next_ts = iter->ts;
+	rel_usecs = ns2usecs(next_ts - iter->ts);
+	abs_usecs = ns2usecs(iter->ts - iter->tr->time_start);
 
 	if (verbose) {
 		comm = trace_find_cmdline(field->pid);
@@ -1542,7 +1282,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 				 comm,
 				 field->pid, cpu, field->flags,
 				 field->preempt_count, trace_idx,
-				 ns2usecs(field->t),
+				 ns2usecs(iter->ts),
 				 abs_usecs/1000,
 				 abs_usecs % 1000, rel_usecs/1000,
 				 rel_usecs % 1000);
@@ -1627,7 +1367,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 
 	comm = trace_find_cmdline(iter->ent->field.pid);
 
-	t = ns2usecs(field->t);
+	t = ns2usecs(iter->ts);
 	usec_rem = do_div(t, 1000000ULL);
 	secs = (unsigned long)t;
 
@@ -1732,7 +1472,7 @@ static int print_raw_fmt(struct trace_iterator *iter)
 	field = &entry->field;
 
 	ret = trace_seq_printf(s, "%d %d %llu ",
-		field->pid, iter->cpu, field->t);
+		field->pid, iter->cpu, iter->ts);
 	if (!ret)
 		return 0;
 
@@ -1811,7 +1551,7 @@ static int print_hex_fmt(struct trace_iterator *iter)
 
 	SEQ_PUT_HEX_FIELD_RET(s, field->pid);
 	SEQ_PUT_HEX_FIELD_RET(s, iter->cpu);
-	SEQ_PUT_HEX_FIELD_RET(s, field->t);
+	SEQ_PUT_HEX_FIELD_RET(s, iter->ts);
 
 	switch (entry->type) {
 	case TRACE_FN:
@@ -1861,7 +1601,7 @@ static int print_bin_fmt(struct trace_iterator *iter)
 
 	SEQ_PUT_FIELD_RET(s, field->pid);
 	SEQ_PUT_FIELD_RET(s, field->cpu);
-	SEQ_PUT_FIELD_RET(s, field->t);
+	SEQ_PUT_FIELD_RET(s, iter->ts);
 
 	switch (entry->type) {
 	case TRACE_FN:
@@ -1888,15 +1628,10 @@ static int print_bin_fmt(struct trace_iterator *iter)
 
 static int trace_empty(struct trace_iterator *iter)
 {
-	struct trace_array_cpu *data;
 	int cpu;
 
 	for_each_tracing_cpu(cpu) {
-		data = iter->tr->data[cpu];
-
-		if (head_page(data) && data->trace_idx &&
-		    (data->trace_tail != data->trace_head ||
-		     data->trace_tail_idx != data->trace_head_idx))
+		if (!ring_buffer_iter_empty(iter->buffer_iter[cpu]))
 			return 0;
 	}
 	return 1;
@@ -1961,6 +1696,8 @@ static struct trace_iterator *
 __tracing_open(struct inode *inode, struct file *file, int *ret)
 {
 	struct trace_iterator *iter;
+	struct seq_file *m;
+	int cpu;
 
 	if (tracing_disabled) {
 		*ret = -ENODEV;
@@ -1981,28 +1718,43 @@ __tracing_open(struct inode *inode, struct file *file, int *ret)
 	iter->trace = current_trace;
 	iter->pos = -1;
 
+	for_each_tracing_cpu(cpu) {
+		iter->buffer_iter[cpu] =
+			ring_buffer_read_start(iter->tr->buffer, cpu);
+		if (!iter->buffer_iter[cpu])
+			goto fail_buffer;
+	}
+
 	/* TODO stop tracer */
 	*ret = seq_open(file, &tracer_seq_ops);
-	if (!*ret) {
-		struct seq_file *m = file->private_data;
-		m->private = iter;
+	if (*ret)
+		goto fail_buffer;
 
-		/* stop the trace while dumping */
-		if (iter->tr->ctrl) {
-			tracer_enabled = 0;
-			ftrace_function_enabled = 0;
-		}
+	m = file->private_data;
+	m->private = iter;
 
-		if (iter->trace && iter->trace->open)
-			iter->trace->open(iter);
-	} else {
-		kfree(iter);
-		iter = NULL;
+	/* stop the trace while dumping */
+	if (iter->tr->ctrl) {
+		tracer_enabled = 0;
+		ftrace_function_enabled = 0;
 	}
+
+	if (iter->trace && iter->trace->open)
+			iter->trace->open(iter);
+
 	mutex_unlock(&trace_types_lock);
 
  out:
 	return iter;
+
+ fail_buffer:
+	for_each_tracing_cpu(cpu) {
+		if (iter->buffer_iter[cpu])
+			ring_buffer_read_finish(iter->buffer_iter[cpu]);
+	}
+	mutex_unlock(&trace_types_lock);
+
+	return ERR_PTR(-ENOMEM);
 }
 
 int tracing_open_generic(struct inode *inode, struct file *filp)
@@ -2018,8 +1770,14 @@ int tracing_release(struct inode *inode, struct file *file)
 {
 	struct seq_file *m = (struct seq_file *)file->private_data;
 	struct trace_iterator *iter = m->private;
+	int cpu;
 
 	mutex_lock(&trace_types_lock);
+	for_each_tracing_cpu(cpu) {
+		if (iter->buffer_iter[cpu])
+			ring_buffer_read_finish(iter->buffer_iter[cpu]);
+	}
+
 	if (iter->trace && iter->trace->close)
 		iter->trace->close(iter);
 
@@ -2526,6 +2284,7 @@ static atomic_t tracing_reader;
 static int tracing_open_pipe(struct inode *inode, struct file *filp)
 {
 	struct trace_iterator *iter;
+	int cpu;
 
 	if (tracing_disabled)
 		return -ENODEV;
@@ -2546,17 +2305,38 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp)
 	iter->trace = current_trace;
 	filp->private_data = iter;
 
+	for_each_tracing_cpu(cpu) {
+		iter->buffer_iter[cpu] =
+			ring_buffer_read_start(iter->tr->buffer, cpu);
+		if (!iter->buffer_iter[cpu])
+			goto fail_buffer;
+	}
+
 	if (iter->trace->pipe_open)
 		iter->trace->pipe_open(iter);
 	mutex_unlock(&trace_types_lock);
 
 	return 0;
+
+ fail_buffer:
+	for_each_tracing_cpu(cpu) {
+		if (iter->buffer_iter[cpu])
+			ring_buffer_read_finish(iter->buffer_iter[cpu]);
+	}
+	mutex_unlock(&trace_types_lock);
+
+	return -ENOMEM;
 }
 
 static int tracing_release_pipe(struct inode *inode, struct file *file)
 {
 	struct trace_iterator *iter = file->private_data;
+	int cpu;
 
+	for_each_tracing_cpu(cpu) {
+		if (iter->buffer_iter[cpu])
+			ring_buffer_read_finish(iter->buffer_iter[cpu]);
+	}
 	kfree(iter);
 	atomic_dec(&tracing_reader);
 
@@ -2592,13 +2372,10 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 		  size_t cnt, loff_t *ppos)
 {
 	struct trace_iterator *iter = filp->private_data;
-	struct trace_array_cpu *data;
-	static cpumask_t mask;
 	unsigned long flags;
 #ifdef CONFIG_FTRACE
 	int ftrace_save;
 #endif
-	int cpu;
 	ssize_t sret;
 
 	/* return any leftover data */
@@ -2687,32 +2464,13 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 	 * and then release the locks again.
 	 */
 
-	cpus_clear(mask);
-	local_irq_save(flags);
+	local_irq_disable();
 #ifdef CONFIG_FTRACE
 	ftrace_save = ftrace_enabled;
 	ftrace_enabled = 0;
 #endif
 	smp_wmb();
-	for_each_tracing_cpu(cpu) {
-		data = iter->tr->data[cpu];
-
-		if (!head_page(data) || !data->trace_idx)
-			continue;
-
-		atomic_inc(&data->disabled);
-		cpu_set(cpu, mask);
-	}
-
-	for_each_cpu_mask(cpu, mask) {
-		data = iter->tr->data[cpu];
-		__raw_spin_lock(&data->lock);
-
-		if (data->overrun > iter->last_overrun[cpu])
-			iter->overrun[cpu] +=
-				data->overrun - iter->last_overrun[cpu];
-		iter->last_overrun[cpu] = data->overrun;
-	}
+	ring_buffer_lock(iter->tr->buffer, &flags);
 
 	while (find_next_entry_inc(iter) != NULL) {
 		int ret;
@@ -2731,19 +2489,11 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 			break;
 	}
 
-	for_each_cpu_mask(cpu, mask) {
-		data = iter->tr->data[cpu];
-		__raw_spin_unlock(&data->lock);
-	}
-
-	for_each_cpu_mask(cpu, mask) {
-		data = iter->tr->data[cpu];
-		atomic_dec(&data->disabled);
-	}
+	ring_buffer_unlock(iter->tr->buffer, flags);
 #ifdef CONFIG_FTRACE
 	ftrace_enabled = ftrace_save;
 #endif
-	local_irq_restore(flags);
+	local_irq_enable();
 
 	/* Now copy what we have to the user */
 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);
@@ -2776,7 +2526,7 @@ tracing_entries_write(struct file *filp, const char __user *ubuf,
 {
 	unsigned long val;
 	char buf[64];
-	int i, ret;
+	int ret;
 	struct trace_array *tr = filp->private_data;
 
 	if (cnt >= sizeof(buf))
@@ -2804,52 +2554,31 @@ tracing_entries_write(struct file *filp, const char __user *ubuf,
 		goto out;
 	}
 
-	if (val > global_trace.entries) {
-		long pages_requested;
-		unsigned long freeable_pages;
-
-		/* make sure we have enough memory before mapping */
-		pages_requested =
-			(val + (ENTRIES_PER_PAGE-1)) / ENTRIES_PER_PAGE;
-
-		/* account for each buffer (and max_tr) */
-		pages_requested *= tracing_nr_buffers * 2;
-
-		/* Check for overflow */
-		if (pages_requested < 0) {
-			cnt = -ENOMEM;
-			goto out;
-		}
-
-		freeable_pages = determine_dirtyable_memory();
-
-		/* we only allow to request 1/4 of useable memory */
-		if (pages_requested >
-		    ((freeable_pages + tracing_pages_allocated) / 4)) {
-			cnt = -ENOMEM;
+	if (val != global_trace.entries) {
+		ret = ring_buffer_resize(global_trace.buffer, val);
+		if (ret < 0) {
+			cnt = ret;
 			goto out;
 		}
 
-		while (global_trace.entries < val) {
-			if (trace_alloc_page()) {
-				cnt = -ENOMEM;
-				goto out;
+		ret = ring_buffer_resize(max_tr.buffer, val);
+		if (ret < 0) {
+			int r;
+			cnt = ret;
+			r = ring_buffer_resize(global_trace.buffer,
+					       global_trace.entries);
+			if (r < 0) {
+				/* AARGH! We are left with different
+				 * size max buffer!!!! */
+				WARN_ON(1);
+				tracing_disabled = 1;
 			}
-			/* double check that we don't go over the known pages */
-			if (tracing_pages_allocated > pages_requested)
-				break;
+			goto out;
 		}
 
-	} else {
-		/* include the number of entries in val (inc of page entries) */
-		while (global_trace.entries > val + (ENTRIES_PER_PAGE - 1))
-			trace_free_page();
+		global_trace.entries = val;
 	}
 
-	/* check integrity */
-	for_each_tracing_cpu(i)
-		check_pages(global_trace.data[i]);
-
 	filp->f_pos += cnt;
 
 	/* If check pages failed, return ENOMEM */
@@ -3086,10 +2815,11 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	static DEFINE_SPINLOCK(trace_buf_lock);
 	static char trace_buf[TRACE_BUF_SIZE];
 
+	struct ring_buffer_event *event;
 	struct trace_array *tr = &global_trace;
 	struct trace_array_cpu *data;
 	struct trace_entry *entry;
-	unsigned long flags;
+	unsigned long flags, irq_flags;
 	long disabled;
 	int cpu, len = 0, write, written = 0;
 
@@ -3110,8 +2840,11 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	len = min(len, TRACE_BUF_SIZE-1);
 	trace_buf[len] = 0;
 
-	__raw_spin_lock(&data->lock);
-	entry				= tracing_get_trace_entry(tr, data);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					 &irq_flags);
+	if (!event)
+		goto out_unlock;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, flags);
 	entry->type			= TRACE_PRINT;
 	entry->field.print.ip		= ip;
@@ -3121,21 +2854,27 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	memcpy(&entry->field.print.buf, trace_buf, write);
 	entry->field.print.buf[write] = 0;
 	written = write;
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
 	if (written != len)
 		entry->field.flags |= TRACE_FLAG_CONT;
 
 	while (written != len) {
-		entry = tracing_get_trace_entry(tr, data);
+		event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+						 &irq_flags);
+		if (!event)
+			goto out_unlock;
+		entry	= ring_buffer_event_data(event);
 
 		entry->type = TRACE_CONT;
 		write = min(len - written, (int)(TRACE_CONT_BUF_SIZE-1));
 		memcpy(&entry->cont.buf, trace_buf+written, write);
 		entry->cont.buf[write] = 0;
 		written += write;
+		ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 	}
-	__raw_spin_unlock(&data->lock);
 
+ out_unlock:
 	spin_unlock(&trace_buf_lock);
 
  out:
@@ -3227,12 +2966,10 @@ void ftrace_dump(void)
 	static DEFINE_SPINLOCK(ftrace_dump_lock);
 	/* use static because iter can be a bit big for the stack */
 	static struct trace_iterator iter;
-	struct trace_array_cpu *data;
 	static cpumask_t mask;
 	static int dump_ran;
-	unsigned long flags;
+	unsigned long flags, irq_flags;
 	int cnt = 0;
-	int cpu;
 
 	/* only one dump */
 	spin_lock_irqsave(&ftrace_dump_lock, flags);
@@ -3258,25 +2995,7 @@ void ftrace_dump(void)
 
 	cpus_clear(mask);
 
-	for_each_tracing_cpu(cpu) {
-		data = iter.tr->data[cpu];
-
-		if (!head_page(data) || !data->trace_idx)
-			continue;
-
-		atomic_inc(&data->disabled);
-		cpu_set(cpu, mask);
-	}
-
-	for_each_cpu_mask(cpu, mask) {
-		data = iter.tr->data[cpu];
-		__raw_spin_lock(&data->lock);
-
-		if (data->overrun > iter.last_overrun[cpu])
-			iter.overrun[cpu] +=
-				data->overrun - iter.last_overrun[cpu];
-		iter.last_overrun[cpu] = data->overrun;
-	}
+	ring_buffer_lock(iter.tr->buffer, &irq_flags);
 
 	while (!trace_empty(&iter)) {
 
@@ -3305,205 +3024,47 @@ void ftrace_dump(void)
 	else
 		printk(KERN_TRACE "---------------------------------\n");
 
-	for_each_cpu_mask(cpu, mask) {
-		data = iter.tr->data[cpu];
-		__raw_spin_unlock(&data->lock);
-	}
-
-	for_each_cpu_mask(cpu, mask) {
-		data = iter.tr->data[cpu];
-		atomic_dec(&data->disabled);
-	}
-
+	ring_buffer_unlock(iter.tr->buffer, irq_flags);
 
  out:
 	spin_unlock_irqrestore(&ftrace_dump_lock, flags);
 }
 
-static int trace_alloc_page(void)
+__init static int tracer_alloc_buffers(void)
 {
 	struct trace_array_cpu *data;
-	struct page *page, *tmp;
-	LIST_HEAD(pages);
-	void *array;
-	unsigned pages_allocated = 0;
 	int i;
 
-	/* first allocate a page for each CPU */
-	for_each_tracing_cpu(i) {
-		array = (void *)__get_free_page(GFP_KERNEL);
-		if (array == NULL) {
-			printk(KERN_ERR "tracer: failed to allocate page"
-			       "for trace buffer!\n");
-			goto free_pages;
-		}
-
-		pages_allocated++;
-		page = virt_to_page(array);
-		list_add(&page->lru, &pages);
+	/* TODO: make the number of buffers hot pluggable with CPUS */
+	tracing_buffer_mask = cpu_possible_map;
 
-/* Only allocate if we are actually using the max trace */
-#ifdef CONFIG_TRACER_MAX_TRACE
-		array = (void *)__get_free_page(GFP_KERNEL);
-		if (array == NULL) {
-			printk(KERN_ERR "tracer: failed to allocate page"
-			       "for trace buffer!\n");
-			goto free_pages;
-		}
-		pages_allocated++;
-		page = virt_to_page(array);
-		list_add(&page->lru, &pages);
-#endif
+	global_trace.buffer = ring_buffer_alloc(trace_buf_size,
+						   TRACE_BUFFER_FLAGS);
+	if (!global_trace.buffer) {
+		printk(KERN_ERR "tracer: failed to allocate ring buffer!\n");
+		WARN_ON(1);
+		return 0;
 	}
-
-	/* Now that we successfully allocate a page per CPU, add them */
-	for_each_tracing_cpu(i) {
-		data = global_trace.data[i];
-		page = list_entry(pages.next, struct page, lru);
-		list_del_init(&page->lru);
-		list_add_tail(&page->lru, &data->trace_pages);
-		ClearPageLRU(page);
+	global_trace.entries = ring_buffer_size(global_trace.buffer);
 
 #ifdef CONFIG_TRACER_MAX_TRACE
-		data = max_tr.data[i];
-		page = list_entry(pages.next, struct page, lru);
-		list_del_init(&page->lru);
-		list_add_tail(&page->lru, &data->trace_pages);
-		SetPageLRU(page);
-#endif
-	}
-	tracing_pages_allocated += pages_allocated;
-	global_trace.entries += ENTRIES_PER_PAGE;
-
-	return 0;
-
- free_pages:
-	list_for_each_entry_safe(page, tmp, &pages, lru) {
-		list_del_init(&page->lru);
-		__free_page(page);
+	max_tr.buffer = ring_buffer_alloc(trace_buf_size,
+					     TRACE_BUFFER_FLAGS);
+	if (!max_tr.buffer) {
+		printk(KERN_ERR "tracer: failed to allocate max ring buffer!\n");
+		WARN_ON(1);
+		ring_buffer_free(global_trace.buffer);
+		return 0;
 	}
-	return -ENOMEM;
-}
-
-static int trace_free_page(void)
-{
-	struct trace_array_cpu *data;
-	struct page *page;
-	struct list_head *p;
-	int i;
-	int ret = 0;
-
-	/* free one page from each buffer */
-	for_each_tracing_cpu(i) {
-		data = global_trace.data[i];
-		p = data->trace_pages.next;
-		if (p == &data->trace_pages) {
-			/* should never happen */
-			WARN_ON(1);
-			tracing_disabled = 1;
-			ret = -1;
-			break;
-		}
-		page = list_entry(p, struct page, lru);
-		ClearPageLRU(page);
-		list_del(&page->lru);
-		tracing_pages_allocated--;
-		tracing_pages_allocated--;
-		__free_page(page);
-
-		tracing_reset(data);
-
-#ifdef CONFIG_TRACER_MAX_TRACE
-		data = max_tr.data[i];
-		p = data->trace_pages.next;
-		if (p == &data->trace_pages) {
-			/* should never happen */
-			WARN_ON(1);
-			tracing_disabled = 1;
-			ret = -1;
-			break;
-		}
-		page = list_entry(p, struct page, lru);
-		ClearPageLRU(page);
-		list_del(&page->lru);
-		__free_page(page);
-
-		tracing_reset(data);
+	max_tr.entries = ring_buffer_size(max_tr.buffer);
+	WARN_ON(max_tr.entries != global_trace.entries);
 #endif
-	}
-	global_trace.entries -= ENTRIES_PER_PAGE;
-
-	return ret;
-}
-
-__init static int tracer_alloc_buffers(void)
-{
-	struct trace_array_cpu *data;
-	void *array;
-	struct page *page;
-	int pages = 0;
-	int ret = -ENOMEM;
-	int i;
-
-	/* TODO: make the number of buffers hot pluggable with CPUS */
-	tracing_nr_buffers = num_possible_cpus();
-	tracing_buffer_mask = cpu_possible_map;
 
 	/* Allocate the first page for all buffers */
 	for_each_tracing_cpu(i) {
 		data = global_trace.data[i] = &per_cpu(global_trace_cpu, i);
 		max_tr.data[i] = &per_cpu(max_data, i);
-
-		array = (void *)__get_free_page(GFP_KERNEL);
-		if (array == NULL) {
-			printk(KERN_ERR "tracer: failed to allocate page"
-			       "for trace buffer!\n");
-			goto free_buffers;
-		}
-
-		/* set the array to the list */
-		INIT_LIST_HEAD(&data->trace_pages);
-		page = virt_to_page(array);
-		list_add(&page->lru, &data->trace_pages);
-		/* use the LRU flag to differentiate the two buffers */
-		ClearPageLRU(page);
-
-		data->lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED;
-		max_tr.data[i]->lock = (raw_spinlock_t)__RAW_SPIN_LOCK_UNLOCKED;
-
-/* Only allocate if we are actually using the max trace */
-#ifdef CONFIG_TRACER_MAX_TRACE
-		array = (void *)__get_free_page(GFP_KERNEL);
-		if (array == NULL) {
-			printk(KERN_ERR "tracer: failed to allocate page"
-			       "for trace buffer!\n");
-			goto free_buffers;
-		}
-
-		INIT_LIST_HEAD(&max_tr.data[i]->trace_pages);
-		page = virt_to_page(array);
-		list_add(&page->lru, &max_tr.data[i]->trace_pages);
-		SetPageLRU(page);
-#endif
-	}
-
-	/*
-	 * Since we allocate by orders of pages, we may be able to
-	 * round up a bit.
-	 */
-	global_trace.entries = ENTRIES_PER_PAGE;
-	pages++;
-
-	while (global_trace.entries < trace_nr_entries) {
-		if (trace_alloc_page())
-			break;
-		pages++;
 	}
-	max_tr.entries = global_trace.entries;
-
-	pr_info("tracer: %d pages allocated for %ld entries of %ld bytes\n",
-		pages, trace_nr_entries, (long)TRACE_ENTRY_SIZE);
-	pr_info("   actual entries %ld\n", global_trace.entries);
 
 	trace_init_cmdlines();
 
@@ -3519,38 +3080,13 @@ __init static int tracer_alloc_buffers(void)
 	/* All seems OK, enable tracing */
 	global_trace.ctrl = tracer_enabled;
 	tracing_disabled = 0;
+
 	atomic_notifier_chain_register(&panic_notifier_list,
 				       &trace_panic_notifier);
 
 	register_die_notifier(&trace_die_notifier);
 
 	return 0;
-
- free_buffers:
-	for (i-- ; i >= 0; i--) {
-		struct page *page, *tmp;
-		struct trace_array_cpu *data = global_trace.data[i];
-
-		if (data) {
-			list_for_each_entry_safe(page, tmp,
-						 &data->trace_pages, lru) {
-				list_del_init(&page->lru);
-				__free_page(page);
-			}
-		}
-
-#ifdef CONFIG_TRACER_MAX_TRACE
-		data = max_tr.data[i];
-		if (data) {
-			list_for_each_entry_safe(page, tmp,
-						 &data->trace_pages, lru) {
-				list_del_init(&page->lru);
-				__free_page(page);
-			}
-		}
-#endif
-	}
-	return ret;
 }
 early_initcall(tracer_alloc_buffers);
 fs_initcall(tracer_init_debugfs);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index b28bf8812ef..f6965f775b4 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -5,6 +5,7 @@
 #include <asm/atomic.h>
 #include <linux/sched.h>
 #include <linux/clocksource.h>
+#include <linux/ring_buffer.h>
 #include <linux/mmiotrace.h>
 #include <linux/ftrace.h>
 
@@ -102,7 +103,6 @@ struct trace_field {
 	char			flags;
 	char			preempt_count;
 	int			pid;
-	cycle_t			t;
 	union {
 		struct ftrace_entry		fn;
 		struct ctx_switch_entry		ctx;
@@ -139,16 +139,9 @@ struct trace_entry {
  * the trace, etc.)
  */
 struct trace_array_cpu {
-	struct list_head	trace_pages;
 	atomic_t		disabled;
-	raw_spinlock_t		lock;
-	struct lock_class_key	lock_key;
 
 	/* these fields get copied into max-trace: */
-	unsigned		trace_head_idx;
-	unsigned		trace_tail_idx;
-	void			*trace_head; /* producer */
-	void			*trace_tail; /* consumer */
 	unsigned long		trace_idx;
 	unsigned long		overrun;
 	unsigned long		saved_latency;
@@ -172,6 +165,7 @@ struct trace_iterator;
  * They have on/off state as well:
  */
 struct trace_array {
+	struct ring_buffer	*buffer;
 	unsigned long		entries;
 	long			ctrl;
 	int			cpu;
@@ -219,27 +213,21 @@ struct trace_iterator {
 	struct trace_array	*tr;
 	struct tracer		*trace;
 	void			*private;
-	long			last_overrun[NR_CPUS];
-	long			overrun[NR_CPUS];
+	struct ring_buffer_iter	*buffer_iter[NR_CPUS];
 
 	/* The below is zeroed out in pipe_read */
 	struct trace_seq	seq;
 	struct trace_entry	*ent;
 	int			cpu;
-
-	struct trace_entry	*prev_ent;
-	int			prev_cpu;
+	u64			ts;
 
 	unsigned long		iter_flags;
 	loff_t			pos;
-	unsigned long		next_idx[NR_CPUS];
-	struct list_head	*next_page[NR_CPUS];
-	unsigned		next_page_idx[NR_CPUS];
 	long			idx;
 };
 
 void trace_wake_up(void);
-void tracing_reset(struct trace_array_cpu *data);
+void tracing_reset(struct trace_array *tr, int cpu);
 int tracing_open_generic(struct inode *inode, struct file *filp);
 struct dentry *tracing_init_dentry(void);
 void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index d5c9e2e4a9c..3657eec6b87 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -34,7 +34,7 @@ static void boot_trace_init(struct trace_array *tr)
 	trace_boot_enabled = 0;
 
 	for_each_cpu_mask(cpu, cpu_possible_map)
-		tracing_reset(tr->data[cpu]);
+		tracing_reset(tr, cpu);
 }
 
 static void boot_trace_ctrl_update(struct trace_array *tr)
@@ -74,6 +74,7 @@ struct tracer boot_tracer __read_mostly =
 
 void trace_boot(struct boot_trace *it)
 {
+	struct ring_buffer_event *event;
 	struct trace_entry *entry;
 	struct trace_array_cpu *data;
 	unsigned long irq_flags;
@@ -85,17 +86,18 @@ void trace_boot(struct boot_trace *it)
 	preempt_disable();
 	data = tr->data[smp_processor_id()];
 
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-
-	entry = tracing_get_trace_entry(tr, data);
+	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					 &irq_flags);
+	if (!event)
+		goto out;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, 0);
 	entry->type = TRACE_BOOT;
 	entry->field.initcall = *it;
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
 	trace_wake_up();
 
+ out:
 	preempt_enable();
 }
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index 31214489797..e90eb0c2c56 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -23,7 +23,7 @@ static void function_reset(struct trace_array *tr)
 	tr->time_start = ftrace_now(tr->cpu);
 
 	for_each_online_cpu(cpu)
-		tracing_reset(tr->data[cpu]);
+		tracing_reset(tr, cpu);
 }
 
 static void start_function_trace(struct trace_array *tr)
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index ece6cfb649f..37ad49407f2 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -173,7 +173,7 @@ out_unlock:
 out:
 	data->critical_sequence = max_sequence;
 	data->preempt_timestamp = ftrace_now(cpu);
-	tracing_reset(data);
+	tracing_reset(tr, cpu);
 	trace_function(tr, data, CALLER_ADDR0, parent_ip, flags);
 }
 
@@ -203,7 +203,7 @@ start_critical_timing(unsigned long ip, unsigned long parent_ip)
 	data->critical_sequence = max_sequence;
 	data->preempt_timestamp = ftrace_now(cpu);
 	data->critical_start = parent_ip ? : ip;
-	tracing_reset(data);
+	tracing_reset(tr, cpu);
 
 	local_save_flags(flags);
 
@@ -234,7 +234,7 @@ stop_critical_timing(unsigned long ip, unsigned long parent_ip)
 
 	data = tr->data[cpu];
 
-	if (unlikely(!data) || unlikely(!head_page(data)) ||
+	if (unlikely(!data) ||
 	    !data->critical_start || atomic_read(&data->disabled))
 		return;
 
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index a108c326f36..bdbf09d8413 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -27,7 +27,7 @@ static void mmio_reset_data(struct trace_array *tr)
 	tr->time_start = ftrace_now(tr->cpu);
 
 	for_each_online_cpu(cpu)
-		tracing_reset(tr->data[cpu]);
+		tracing_reset(tr, cpu);
 }
 
 static void mmio_trace_init(struct trace_array *tr)
@@ -130,10 +130,14 @@ static unsigned long count_overruns(struct trace_iterator *iter)
 {
 	int cpu;
 	unsigned long cnt = 0;
+/* FIXME: */
+#if 0
 	for_each_online_cpu(cpu) {
 		cnt += iter->overrun[cpu];
 		iter->overrun[cpu] = 0;
 	}
+#endif
+	(void)cpu;
 	return cnt;
 }
 
@@ -176,7 +180,7 @@ static int mmio_print_rw(struct trace_iterator *iter)
 	struct trace_entry *entry = iter->ent;
 	struct mmiotrace_rw *rw	= &entry->field.mmiorw;
 	struct trace_seq *s	= &iter->seq;
-	unsigned long long t	= ns2usecs(entry->field.t);
+	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret = 1;
@@ -218,7 +222,7 @@ static int mmio_print_map(struct trace_iterator *iter)
 	struct trace_entry *entry = iter->ent;
 	struct mmiotrace_map *m	= &entry->field.mmiomap;
 	struct trace_seq *s	= &iter->seq;
-	unsigned long long t	= ns2usecs(entry->field.t);
+	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret = 1;
@@ -250,7 +254,7 @@ static int mmio_print_mark(struct trace_iterator *iter)
 	struct trace_entry *entry = iter->ent;
 	const char *msg		= entry->field.print.buf;
 	struct trace_seq *s	= &iter->seq;
-	unsigned long long t	= ns2usecs(entry->field.t);
+	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret;
@@ -303,19 +307,19 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
 				struct trace_array_cpu *data,
 				struct mmiotrace_rw *rw)
 {
+	struct ring_buffer_event *event;
 	struct trace_entry *entry;
 	unsigned long irq_flags;
 
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-
-	entry				= tracing_get_trace_entry(tr, data);
+	event	= ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					   &irq_flags);
+	if (!event)
+		return;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, 0);
 	entry->type			= TRACE_MMIO_RW;
 	entry->field.mmiorw		= *rw;
-
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
 	trace_wake_up();
 }
@@ -331,19 +335,19 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
 				struct trace_array_cpu *data,
 				struct mmiotrace_map *map)
 {
+	struct ring_buffer_event *event;
 	struct trace_entry *entry;
 	unsigned long irq_flags;
 
-	raw_local_irq_save(irq_flags);
-	__raw_spin_lock(&data->lock);
-
-	entry				= tracing_get_trace_entry(tr, data);
+	event	= ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
+					   &irq_flags);
+	if (!event)
+		return;
+	entry	= ring_buffer_event_data(event);
 	tracing_generic_entry_update(entry, 0);
 	entry->type			= TRACE_MMIO_MAP;
 	entry->field.mmiomap		= *map;
-
-	__raw_spin_unlock(&data->lock);
-	raw_local_irq_restore(irq_flags);
+	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
 	trace_wake_up();
 }
diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c
index 16c9ba060ba..4592b486251 100644
--- a/kernel/trace/trace_nop.c
+++ b/kernel/trace/trace_nop.c
@@ -30,7 +30,7 @@ static void nop_trace_init(struct trace_array *tr)
 	ctx_trace = tr;
 
 	for_each_online_cpu(cpu)
-		tracing_reset(tr->data[cpu]);
+		tracing_reset(tr, cpu);
 
 	if (tr->ctrl)
 		start_nop_trace(tr);
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index 789e927abc9..e0b06db0f7a 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -81,7 +81,7 @@ static void sched_switch_reset(struct trace_array *tr)
 	tr->time_start = ftrace_now(tr->cpu);
 
 	for_each_online_cpu(cpu)
-		tracing_reset(tr->data[cpu]);
+		tracing_reset(tr, cpu);
 }
 
 static int tracing_sched_register(void)
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 08206b4e29c..01e75e0639b 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -191,7 +191,7 @@ static void __wakeup_reset(struct trace_array *tr)
 
 	for_each_possible_cpu(cpu) {
 		data = tr->data[cpu];
-		tracing_reset(data);
+		tracing_reset(tr, cpu);
 	}
 
 	wakeup_cpu = -1;
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index 5ebd4b13549..09cf230d7ec 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -18,58 +18,20 @@ static inline int trace_valid_entry(struct trace_entry *entry)
 	return 0;
 }
 
-static int
-trace_test_buffer_cpu(struct trace_array *tr, struct trace_array_cpu *data)
+static int trace_test_buffer_cpu(struct trace_array *tr, int cpu)
 {
-	struct trace_entry *entries;
-	struct page *page;
-	int idx = 0;
-	int i;
+	struct ring_buffer_event *event;
+	struct trace_entry *entry;
 
-	BUG_ON(list_empty(&data->trace_pages));
-	page = list_entry(data->trace_pages.next, struct page, lru);
-	entries = page_address(page);
+	while ((event = ring_buffer_consume(tr->buffer, cpu, NULL))) {
+		entry = ring_buffer_event_data(event);
 
-	check_pages(data);
-	if (head_page(data) != entries)
-		goto failed;
-
-	/*
-	 * The starting trace buffer always has valid elements,
-	 * if any element exists.
-	 */
-	entries = head_page(data);
-
-	for (i = 0; i < tr->entries; i++) {
-
-		if (i < data->trace_idx && !trace_valid_entry(&entries[idx])) {
+		if (!trace_valid_entry(entry)) {
 			printk(KERN_CONT ".. invalid entry %d ",
-				entries[idx].type);
+				entry->type);
 			goto failed;
 		}
-
-		idx++;
-		if (idx >= ENTRIES_PER_PAGE) {
-			page = virt_to_page(entries);
-			if (page->lru.next == &data->trace_pages) {
-				if (i != tr->entries - 1) {
-					printk(KERN_CONT ".. entries buffer mismatch");
-					goto failed;
-				}
-			} else {
-				page = list_entry(page->lru.next, struct page, lru);
-				entries = page_address(page);
-			}
-			idx = 0;
-		}
-	}
-
-	page = virt_to_page(entries);
-	if (page->lru.next != &data->trace_pages) {
-		printk(KERN_CONT ".. too many entries");
-		goto failed;
 	}
-
 	return 0;
 
  failed:
@@ -91,13 +53,11 @@ static int trace_test_buffer(struct trace_array *tr, unsigned long *count)
 	/* Don't allow flipping of max traces now */
 	raw_local_irq_save(flags);
 	__raw_spin_lock(&ftrace_max_lock);
-	for_each_possible_cpu(cpu) {
-		if (!head_page(tr->data[cpu]))
-			continue;
 
-		cnt += tr->data[cpu]->trace_idx;
+	cnt = ring_buffer_entries(tr->buffer);
 
-		ret = trace_test_buffer_cpu(tr, tr->data[cpu]);
+	for_each_possible_cpu(cpu) {
+		ret = trace_test_buffer_cpu(tr, cpu);
 		if (ret)
 			break;
 	}
diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index db58fb66a13..9587d3bcba5 100644
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -241,7 +241,7 @@ static void stack_reset(struct trace_array *tr)
 	tr->time_start = ftrace_now(tr->cpu);
 
 	for_each_online_cpu(cpu)
-		tracing_reset(tr->data[cpu]);
+		tracing_reset(tr, cpu);
 }
 
 static void start_stack_trace(struct trace_array *tr)
-- 
GitLab


From 777e208d40d0953efc6fb4ab58590da3f7d8f02d Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Mon, 29 Sep 2008 23:02:42 -0400
Subject: [PATCH 0526/2224] ftrace: take advantage of variable length entries

Now that the underlining ring buffer for ftrace now hold variable length
entries, we can take advantage of this by only storing the size of the
actual event into the buffer. This happens to increase the number of
entries in the buffer dramatically.

We can also get rid of the "trace_cont" operation, but I'm keeping that
until we have no more users. Some of the ftrace tracers can now change
their code to adapt to this new feature.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c           | 439 ++++++++++++++++++---------------
 kernel/trace/trace.h           |  81 +++---
 kernel/trace/trace_boot.c      |  13 +-
 kernel/trace/trace_mmiotrace.c |  31 +--
 4 files changed, 301 insertions(+), 263 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ef80793858b..ed9e47c1881 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -637,9 +637,9 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
 
 	pc = preempt_count();
 
-	entry->field.preempt_count	= pc & 0xff;
-	entry->field.pid		= (tsk) ? tsk->pid : 0;
-	entry->field.flags =
+	entry->preempt_count		= pc & 0xff;
+	entry->pid			= (tsk) ? tsk->pid : 0;
+	entry->flags =
 		(irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) |
 		((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) |
 		((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) |
@@ -651,7 +651,7 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 	       unsigned long ip, unsigned long parent_ip, unsigned long flags)
 {
 	struct ring_buffer_event *event;
-	struct trace_entry *entry;
+	struct ftrace_entry *entry;
 	unsigned long irq_flags;
 
 	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
@@ -659,10 +659,10 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, flags);
-	entry->type			= TRACE_FN;
-	entry->field.fn.ip		= ip;
-	entry->field.fn.parent_ip	= parent_ip;
+	tracing_generic_entry_update(&entry->ent, flags);
+	entry->ent.type			= TRACE_FN;
+	entry->ip			= ip;
+	entry->parent_ip		= parent_ip;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 }
 
@@ -680,7 +680,7 @@ void __trace_stack(struct trace_array *tr,
 		   int skip)
 {
 	struct ring_buffer_event *event;
-	struct trace_entry *entry;
+	struct stack_entry *entry;
 	struct stack_trace trace;
 	unsigned long irq_flags;
 
@@ -692,15 +692,15 @@ void __trace_stack(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, flags);
-	entry->type		= TRACE_STACK;
+	tracing_generic_entry_update(&entry->ent, flags);
+	entry->ent.type		= TRACE_STACK;
 
-	memset(&entry->field.stack, 0, sizeof(entry->field.stack));
+	memset(&entry->caller, 0, sizeof(entry->caller));
 
 	trace.nr_entries	= 0;
 	trace.max_entries	= FTRACE_STACK_ENTRIES;
 	trace.skip		= skip;
-	trace.entries		= entry->field.stack.caller;
+	trace.entries		= entry->caller;
 
 	save_stack_trace(&trace);
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
@@ -713,7 +713,7 @@ __trace_special(void *__tr, void *__data,
 	struct ring_buffer_event *event;
 	struct trace_array_cpu *data = __data;
 	struct trace_array *tr = __tr;
-	struct trace_entry *entry;
+	struct special_entry *entry;
 	unsigned long irq_flags;
 
 	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
@@ -721,11 +721,11 @@ __trace_special(void *__tr, void *__data,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, 0);
-	entry->type			= TRACE_SPECIAL;
-	entry->field.special.arg1	= arg1;
-	entry->field.special.arg2	= arg2;
-	entry->field.special.arg3	= arg3;
+	tracing_generic_entry_update(&entry->ent, 0);
+	entry->ent.type			= TRACE_SPECIAL;
+	entry->arg1			= arg1;
+	entry->arg2			= arg2;
+	entry->arg3			= arg3;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 	__trace_stack(tr, data, irq_flags, 4);
 
@@ -740,7 +740,7 @@ tracing_sched_switch_trace(struct trace_array *tr,
 			   unsigned long flags)
 {
 	struct ring_buffer_event *event;
-	struct trace_entry *entry;
+	struct ctx_switch_entry *entry;
 	unsigned long irq_flags;
 
 	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
@@ -748,15 +748,15 @@ tracing_sched_switch_trace(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, flags);
-	entry->type			= TRACE_CTX;
-	entry->field.ctx.prev_pid	= prev->pid;
-	entry->field.ctx.prev_prio	= prev->prio;
-	entry->field.ctx.prev_state	= prev->state;
-	entry->field.ctx.next_pid	= next->pid;
-	entry->field.ctx.next_prio	= next->prio;
-	entry->field.ctx.next_state	= next->state;
-	entry->field.ctx.next_cpu	= task_cpu(next);
+	tracing_generic_entry_update(&entry->ent, flags);
+	entry->ent.type			= TRACE_CTX;
+	entry->prev_pid			= prev->pid;
+	entry->prev_prio		= prev->prio;
+	entry->prev_state		= prev->state;
+	entry->next_pid			= next->pid;
+	entry->next_prio		= next->prio;
+	entry->next_state		= next->state;
+	entry->next_cpu	= task_cpu(next);
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 	__trace_stack(tr, data, flags, 5);
 }
@@ -769,7 +769,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 			   unsigned long flags)
 {
 	struct ring_buffer_event *event;
-	struct trace_entry *entry;
+	struct ctx_switch_entry *entry;
 	unsigned long irq_flags;
 
 	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
@@ -777,15 +777,15 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, flags);
-	entry->type		= TRACE_WAKE;
-	entry->field.ctx.prev_pid	= curr->pid;
-	entry->field.ctx.prev_prio	= curr->prio;
-	entry->field.ctx.prev_state	= curr->state;
-	entry->field.ctx.next_pid	= wakee->pid;
-	entry->field.ctx.next_prio	= wakee->prio;
-	entry->field.ctx.next_state	= wakee->state;
-	entry->field.ctx.next_cpu	= task_cpu(wakee);
+	tracing_generic_entry_update(&entry->ent, flags);
+	entry->ent.type			= TRACE_WAKE;
+	entry->prev_pid			= curr->pid;
+	entry->prev_prio		= curr->prio;
+	entry->prev_state		= curr->state;
+	entry->next_pid			= wakee->pid;
+	entry->next_prio		= wakee->prio;
+	entry->next_state		= wakee->state;
+	entry->next_cpu			= task_cpu(wakee);
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 	__trace_stack(tr, data, flags, 6);
 
@@ -1173,20 +1173,19 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
 static void
 lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 {
-	struct trace_field *field = &entry->field;
 	int hardirq, softirq;
 	char *comm;
 
-	comm = trace_find_cmdline(field->pid);
+	comm = trace_find_cmdline(entry->pid);
 
-	trace_seq_printf(s, "%8.8s-%-5d ", comm, field->pid);
+	trace_seq_printf(s, "%8.8s-%-5d ", comm, entry->pid);
 	trace_seq_printf(s, "%3d", cpu);
 	trace_seq_printf(s, "%c%c",
-			(field->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
-			((field->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
+			(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : '.',
+			((entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'));
 
-	hardirq = field->flags & TRACE_FLAG_HARDIRQ;
-	softirq = field->flags & TRACE_FLAG_SOFTIRQ;
+	hardirq = entry->flags & TRACE_FLAG_HARDIRQ;
+	softirq = entry->flags & TRACE_FLAG_SOFTIRQ;
 	if (hardirq && softirq) {
 		trace_seq_putc(s, 'H');
 	} else {
@@ -1200,8 +1199,8 @@ lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
 		}
 	}
 
-	if (field->preempt_count)
-		trace_seq_printf(s, "%x", field->preempt_count);
+	if (entry->preempt_count)
+		trace_seq_printf(s, "%x", entry->preempt_count);
 	else
 		trace_seq_puts(s, ".");
 }
@@ -1230,6 +1229,7 @@ static const char state_to_char[] = TASK_STATE_TO_CHAR_STR;
 void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 {
 	struct trace_entry *ent;
+	struct trace_field_cont *cont;
 	bool ok = true;
 
 	ent = peek_next_entry(iter, iter->cpu, NULL);
@@ -1239,8 +1239,9 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 	}
 
 	do {
+		cont = (struct trace_field_cont *)ent;
 		if (ok)
-			ok = (trace_seq_printf(s, "%s", ent->cont.buf) > 0);
+			ok = (trace_seq_printf(s, "%s", cont->buf) > 0);
 		ring_buffer_read(iter->buffer_iter[iter->cpu], NULL);
 		ent = peek_next_entry(iter, iter->cpu, NULL);
 	} while (ent && ent->type == TRACE_CONT);
@@ -1257,7 +1258,6 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	struct trace_entry *next_entry;
 	unsigned long verbose = (trace_flags & TRACE_ITER_VERBOSE);
 	struct trace_entry *entry = iter->ent;
-	struct trace_field *field = &entry->field;
 	unsigned long abs_usecs;
 	unsigned long rel_usecs;
 	u64 next_ts;
@@ -1276,12 +1276,12 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	abs_usecs = ns2usecs(iter->ts - iter->tr->time_start);
 
 	if (verbose) {
-		comm = trace_find_cmdline(field->pid);
+		comm = trace_find_cmdline(entry->pid);
 		trace_seq_printf(s, "%16s %5d %3d %d %08x %08x [%08lx]"
 				 " %ld.%03ldms (+%ld.%03ldms): ",
 				 comm,
-				 field->pid, cpu, field->flags,
-				 field->preempt_count, trace_idx,
+				 entry->pid, cpu, entry->flags,
+				 entry->preempt_count, trace_idx,
 				 ns2usecs(iter->ts),
 				 abs_usecs/1000,
 				 abs_usecs % 1000, rel_usecs/1000,
@@ -1291,53 +1291,69 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 		lat_print_timestamp(s, abs_usecs, rel_usecs);
 	}
 	switch (entry->type) {
-	case TRACE_FN:
-		seq_print_ip_sym(s, field->fn.ip, sym_flags);
+	case TRACE_FN: {
+		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+
+		seq_print_ip_sym(s, field->ip, sym_flags);
 		trace_seq_puts(s, " (");
-		if (kretprobed(field->fn.parent_ip))
+		if (kretprobed(field->parent_ip))
 			trace_seq_puts(s, KRETPROBE_MSG);
 		else
-			seq_print_ip_sym(s, field->fn.parent_ip, sym_flags);
+			seq_print_ip_sym(s, field->parent_ip, sym_flags);
 		trace_seq_puts(s, ")\n");
 		break;
+	}
 	case TRACE_CTX:
-	case TRACE_WAKE:
-		T = field->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[field->ctx.next_state] : 'X';
+	case TRACE_WAKE: {
+		struct ctx_switch_entry *field =
+			(struct ctx_switch_entry *)entry;
+
+		T = field->next_state < sizeof(state_to_char) ?
+			state_to_char[field->next_state] : 'X';
 
-		state = field->ctx.prev_state ?
-			__ffs(field->ctx.prev_state) + 1 : 0;
+		state = field->prev_state ?
+			__ffs(field->prev_state) + 1 : 0;
 		S = state < sizeof(state_to_char) - 1 ? state_to_char[state] : 'X';
-		comm = trace_find_cmdline(field->ctx.next_pid);
+		comm = trace_find_cmdline(field->next_pid);
 		trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c %s\n",
-				 field->ctx.prev_pid,
-				 field->ctx.prev_prio,
+				 field->prev_pid,
+				 field->prev_prio,
 				 S, entry->type == TRACE_CTX ? "==>" : "  +",
-				 field->ctx.next_cpu,
-				 field->ctx.next_pid,
-				 field->ctx.next_prio,
+				 field->next_cpu,
+				 field->next_pid,
+				 field->next_prio,
 				 T, comm);
 		break;
-	case TRACE_SPECIAL:
+	}
+	case TRACE_SPECIAL: {
+		struct special_entry *field = (struct special_entry *)entry;
+
 		trace_seq_printf(s, "# %ld %ld %ld\n",
-				 field->special.arg1,
-				 field->special.arg2,
-				 field->special.arg3);
+				 field->arg1,
+				 field->arg2,
+				 field->arg3);
 		break;
-	case TRACE_STACK:
+	}
+	case TRACE_STACK: {
+		struct stack_entry *field = (struct stack_entry *)entry;
+
 		for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
 			if (i)
 				trace_seq_puts(s, " <= ");
-			seq_print_ip_sym(s, field->stack.caller[i], sym_flags);
+			seq_print_ip_sym(s, field->caller[i], sym_flags);
 		}
 		trace_seq_puts(s, "\n");
 		break;
-	case TRACE_PRINT:
-		seq_print_ip_sym(s, field->print.ip, sym_flags);
-		trace_seq_printf(s, ": %s", field->print.buf);
-		if (field->flags & TRACE_FLAG_CONT)
+	}
+	case TRACE_PRINT: {
+		struct print_entry *field = (struct print_entry *)entry;
+
+		seq_print_ip_sym(s, field->ip, sym_flags);
+		trace_seq_printf(s, ": %s", field->buf);
+		if (entry->flags & TRACE_FLAG_CONT)
 			trace_seq_print_cont(s, iter);
 		break;
+	}
 	default:
 		trace_seq_printf(s, "Unknown type %d\n", entry->type);
 	}
@@ -1349,7 +1365,6 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	struct trace_seq *s = &iter->seq;
 	unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK);
 	struct trace_entry *entry;
-	struct trace_field *field;
 	unsigned long usec_rem;
 	unsigned long long t;
 	unsigned long secs;
@@ -1363,15 +1378,13 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	if (entry->type == TRACE_CONT)
 		return 1;
 
-	field = &entry->field;
-
-	comm = trace_find_cmdline(iter->ent->field.pid);
+	comm = trace_find_cmdline(iter->ent->pid);
 
 	t = ns2usecs(iter->ts);
 	usec_rem = do_div(t, 1000000ULL);
 	secs = (unsigned long)t;
 
-	ret = trace_seq_printf(s, "%16s-%-5d ", comm, field->pid);
+	ret = trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid);
 	if (!ret)
 		return 0;
 	ret = trace_seq_printf(s, "[%03d] ", iter->cpu);
@@ -1382,20 +1395,22 @@ static int print_trace_fmt(struct trace_iterator *iter)
 		return 0;
 
 	switch (entry->type) {
-	case TRACE_FN:
-		ret = seq_print_ip_sym(s, field->fn.ip, sym_flags);
+	case TRACE_FN: {
+		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+
+		ret = seq_print_ip_sym(s, field->ip, sym_flags);
 		if (!ret)
 			return 0;
 		if ((sym_flags & TRACE_ITER_PRINT_PARENT) &&
-						field->fn.parent_ip) {
+						field->parent_ip) {
 			ret = trace_seq_printf(s, " <-");
 			if (!ret)
 				return 0;
-			if (kretprobed(field->fn.parent_ip))
+			if (kretprobed(field->parent_ip))
 				ret = trace_seq_puts(s, KRETPROBE_MSG);
 			else
 				ret = seq_print_ip_sym(s,
-						       field->fn.parent_ip,
+						       field->parent_ip,
 						       sym_flags);
 			if (!ret)
 				return 0;
@@ -1404,40 +1419,50 @@ static int print_trace_fmt(struct trace_iterator *iter)
 		if (!ret)
 			return 0;
 		break;
+	}
 	case TRACE_CTX:
-	case TRACE_WAKE:
-		S = field->ctx.prev_state < sizeof(state_to_char) ?
-			state_to_char[field->ctx.prev_state] : 'X';
-		T = field->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[field->ctx.next_state] : 'X';
+	case TRACE_WAKE: {
+		struct ctx_switch_entry *field =
+			(struct ctx_switch_entry *)entry;
+
+		S = field->prev_state < sizeof(state_to_char) ?
+			state_to_char[field->prev_state] : 'X';
+		T = field->next_state < sizeof(state_to_char) ?
+			state_to_char[field->next_state] : 'X';
 		ret = trace_seq_printf(s, " %5d:%3d:%c %s [%03d] %5d:%3d:%c\n",
-				       field->ctx.prev_pid,
-				       field->ctx.prev_prio,
+				       field->prev_pid,
+				       field->prev_prio,
 				       S,
 				       entry->type == TRACE_CTX ? "==>" : "  +",
-				       field->ctx.next_cpu,
-				       field->ctx.next_pid,
-				       field->ctx.next_prio,
+				       field->next_cpu,
+				       field->next_pid,
+				       field->next_prio,
 				       T);
 		if (!ret)
 			return 0;
 		break;
-	case TRACE_SPECIAL:
+	}
+	case TRACE_SPECIAL: {
+		struct special_entry *field = (struct special_entry *)entry;
+
 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
-				 field->special.arg1,
-				 field->special.arg2,
-				 field->special.arg3);
+				 field->arg1,
+				 field->arg2,
+				 field->arg3);
 		if (!ret)
 			return 0;
 		break;
-	case TRACE_STACK:
+	}
+	case TRACE_STACK: {
+		struct stack_entry *field = (struct stack_entry *)entry;
+
 		for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
 			if (i) {
 				ret = trace_seq_puts(s, " <= ");
 				if (!ret)
 					return 0;
 			}
-			ret = seq_print_ip_sym(s, field->stack.caller[i],
+			ret = seq_print_ip_sym(s, field->caller[i],
 					       sym_flags);
 			if (!ret)
 				return 0;
@@ -1446,13 +1471,17 @@ static int print_trace_fmt(struct trace_iterator *iter)
 		if (!ret)
 			return 0;
 		break;
-	case TRACE_PRINT:
-		seq_print_ip_sym(s, field->print.ip, sym_flags);
-		trace_seq_printf(s, ": %s", field->print.buf);
-		if (field->flags & TRACE_FLAG_CONT)
+	}
+	case TRACE_PRINT: {
+		struct print_entry *field = (struct print_entry *)entry;
+
+		seq_print_ip_sym(s, field->ip, sym_flags);
+		trace_seq_printf(s, ": %s", field->buf);
+		if (entry->flags & TRACE_FLAG_CONT)
 			trace_seq_print_cont(s, iter);
 		break;
 	}
+	}
 	return 1;
 }
 
@@ -1460,7 +1489,6 @@ static int print_raw_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *entry;
-	struct trace_field *field;
 	int ret;
 	int S, T;
 
@@ -1469,56 +1497,66 @@ static int print_raw_fmt(struct trace_iterator *iter)
 	if (entry->type == TRACE_CONT)
 		return 1;
 
-	field = &entry->field;
-
 	ret = trace_seq_printf(s, "%d %d %llu ",
-		field->pid, iter->cpu, iter->ts);
+		entry->pid, iter->cpu, iter->ts);
 	if (!ret)
 		return 0;
 
 	switch (entry->type) {
-	case TRACE_FN:
+	case TRACE_FN: {
+		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+
 		ret = trace_seq_printf(s, "%x %x\n",
-					field->fn.ip,
-					field->fn.parent_ip);
+					field->ip,
+					field->parent_ip);
 		if (!ret)
 			return 0;
 		break;
+	}
 	case TRACE_CTX:
-	case TRACE_WAKE:
-		S = field->ctx.prev_state < sizeof(state_to_char) ?
-			state_to_char[field->ctx.prev_state] : 'X';
-		T = field->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[field->ctx.next_state] : 'X';
+	case TRACE_WAKE: {
+		struct ctx_switch_entry *field =
+			(struct ctx_switch_entry *)entry;
+
+		S = field->prev_state < sizeof(state_to_char) ?
+			state_to_char[field->prev_state] : 'X';
+		T = field->next_state < sizeof(state_to_char) ?
+			state_to_char[field->next_state] : 'X';
 		if (entry->type == TRACE_WAKE)
 			S = '+';
 		ret = trace_seq_printf(s, "%d %d %c %d %d %d %c\n",
-				       field->ctx.prev_pid,
-				       field->ctx.prev_prio,
+				       field->prev_pid,
+				       field->prev_prio,
 				       S,
-				       field->ctx.next_cpu,
-				       field->ctx.next_pid,
-				       field->ctx.next_prio,
+				       field->next_cpu,
+				       field->next_pid,
+				       field->next_prio,
 				       T);
 		if (!ret)
 			return 0;
 		break;
+	}
 	case TRACE_SPECIAL:
-	case TRACE_STACK:
+	case TRACE_STACK: {
+		struct special_entry *field = (struct special_entry *)entry;
+
 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
-				 field->special.arg1,
-				 field->special.arg2,
-				 field->special.arg3);
+				 field->arg1,
+				 field->arg2,
+				 field->arg3);
 		if (!ret)
 			return 0;
 		break;
-	case TRACE_PRINT:
-		trace_seq_printf(s, "# %lx %s",
-				 field->print.ip, field->print.buf);
-		if (field->flags & TRACE_FLAG_CONT)
+	}
+	case TRACE_PRINT: {
+		struct print_entry *field = (struct print_entry *)entry;
+
+		trace_seq_printf(s, "# %lx %s", field->ip, field->buf);
+		if (entry->flags & TRACE_FLAG_CONT)
 			trace_seq_print_cont(s, iter);
 		break;
 	}
+	}
 	return 1;
 }
 
@@ -1539,7 +1577,6 @@ static int print_hex_fmt(struct trace_iterator *iter)
 	struct trace_seq *s = &iter->seq;
 	unsigned char newline = '\n';
 	struct trace_entry *entry;
-	struct trace_field *field;
 	int S, T;
 
 	entry = iter->ent;
@@ -1547,40 +1584,48 @@ static int print_hex_fmt(struct trace_iterator *iter)
 	if (entry->type == TRACE_CONT)
 		return 1;
 
-	field = &entry->field;
-
-	SEQ_PUT_HEX_FIELD_RET(s, field->pid);
+	SEQ_PUT_HEX_FIELD_RET(s, entry->pid);
 	SEQ_PUT_HEX_FIELD_RET(s, iter->cpu);
 	SEQ_PUT_HEX_FIELD_RET(s, iter->ts);
 
 	switch (entry->type) {
-	case TRACE_FN:
-		SEQ_PUT_HEX_FIELD_RET(s, field->fn.ip);
-		SEQ_PUT_HEX_FIELD_RET(s, field->fn.parent_ip);
+	case TRACE_FN: {
+		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+
+		SEQ_PUT_HEX_FIELD_RET(s, field->ip);
+		SEQ_PUT_HEX_FIELD_RET(s, field->parent_ip);
 		break;
+	}
 	case TRACE_CTX:
-	case TRACE_WAKE:
-		S = field->ctx.prev_state < sizeof(state_to_char) ?
-			state_to_char[field->ctx.prev_state] : 'X';
-		T = field->ctx.next_state < sizeof(state_to_char) ?
-			state_to_char[field->ctx.next_state] : 'X';
+	case TRACE_WAKE: {
+		struct ctx_switch_entry *field =
+			(struct ctx_switch_entry *)entry;
+
+		S = field->prev_state < sizeof(state_to_char) ?
+			state_to_char[field->prev_state] : 'X';
+		T = field->next_state < sizeof(state_to_char) ?
+			state_to_char[field->next_state] : 'X';
 		if (entry->type == TRACE_WAKE)
 			S = '+';
-		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_pid);
-		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.prev_prio);
+		SEQ_PUT_HEX_FIELD_RET(s, field->prev_pid);
+		SEQ_PUT_HEX_FIELD_RET(s, field->prev_prio);
 		SEQ_PUT_HEX_FIELD_RET(s, S);
-		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_cpu);
-		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_pid);
-		SEQ_PUT_HEX_FIELD_RET(s, field->ctx.next_prio);
+		SEQ_PUT_HEX_FIELD_RET(s, field->next_cpu);
+		SEQ_PUT_HEX_FIELD_RET(s, field->next_pid);
+		SEQ_PUT_HEX_FIELD_RET(s, field->next_prio);
 		SEQ_PUT_HEX_FIELD_RET(s, T);
 		break;
+	}
 	case TRACE_SPECIAL:
-	case TRACE_STACK:
-		SEQ_PUT_HEX_FIELD_RET(s, field->special.arg1);
-		SEQ_PUT_HEX_FIELD_RET(s, field->special.arg2);
-		SEQ_PUT_HEX_FIELD_RET(s, field->special.arg3);
+	case TRACE_STACK: {
+		struct special_entry *field = (struct special_entry *)entry;
+
+		SEQ_PUT_HEX_FIELD_RET(s, field->arg1);
+		SEQ_PUT_HEX_FIELD_RET(s, field->arg2);
+		SEQ_PUT_HEX_FIELD_RET(s, field->arg3);
 		break;
 	}
+	}
 	SEQ_PUT_FIELD_RET(s, newline);
 
 	return 1;
@@ -1590,39 +1635,46 @@ static int print_bin_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *entry;
-	struct trace_field *field;
 
 	entry = iter->ent;
 
 	if (entry->type == TRACE_CONT)
 		return 1;
 
-	field = &entry->field;
-
-	SEQ_PUT_FIELD_RET(s, field->pid);
-	SEQ_PUT_FIELD_RET(s, field->cpu);
+	SEQ_PUT_FIELD_RET(s, entry->pid);
+	SEQ_PUT_FIELD_RET(s, iter->cpu);
 	SEQ_PUT_FIELD_RET(s, iter->ts);
 
 	switch (entry->type) {
-	case TRACE_FN:
-		SEQ_PUT_FIELD_RET(s, field->fn.ip);
-		SEQ_PUT_FIELD_RET(s, field->fn.parent_ip);
+	case TRACE_FN: {
+		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+
+		SEQ_PUT_FIELD_RET(s, field->ip);
+		SEQ_PUT_FIELD_RET(s, field->parent_ip);
 		break;
-	case TRACE_CTX:
-		SEQ_PUT_FIELD_RET(s, field->ctx.prev_pid);
-		SEQ_PUT_FIELD_RET(s, field->ctx.prev_prio);
-		SEQ_PUT_FIELD_RET(s, field->ctx.prev_state);
-		SEQ_PUT_FIELD_RET(s, field->ctx.next_pid);
-		SEQ_PUT_FIELD_RET(s, field->ctx.next_prio);
-		SEQ_PUT_FIELD_RET(s, field->ctx.next_state);
+	}
+	case TRACE_CTX: {
+		struct ctx_switch_entry *field =
+			(struct ctx_switch_entry *)entry;
+
+		SEQ_PUT_FIELD_RET(s, field->prev_pid);
+		SEQ_PUT_FIELD_RET(s, field->prev_prio);
+		SEQ_PUT_FIELD_RET(s, field->prev_state);
+		SEQ_PUT_FIELD_RET(s, field->next_pid);
+		SEQ_PUT_FIELD_RET(s, field->next_prio);
+		SEQ_PUT_FIELD_RET(s, field->next_state);
 		break;
+	}
 	case TRACE_SPECIAL:
-	case TRACE_STACK:
-		SEQ_PUT_FIELD_RET(s, field->special.arg1);
-		SEQ_PUT_FIELD_RET(s, field->special.arg2);
-		SEQ_PUT_FIELD_RET(s, field->special.arg3);
+	case TRACE_STACK: {
+		struct special_entry *field = (struct special_entry *)entry;
+
+		SEQ_PUT_FIELD_RET(s, field->arg1);
+		SEQ_PUT_FIELD_RET(s, field->arg2);
+		SEQ_PUT_FIELD_RET(s, field->arg3);
 		break;
 	}
+	}
 	return 1;
 }
 
@@ -2818,10 +2870,10 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	struct ring_buffer_event *event;
 	struct trace_array *tr = &global_trace;
 	struct trace_array_cpu *data;
-	struct trace_entry *entry;
+	struct print_entry *entry;
 	unsigned long flags, irq_flags;
 	long disabled;
-	int cpu, len = 0, write, written = 0;
+	int cpu, len = 0, size;
 
 	if (!tr->ctrl || tracing_disabled)
 		return 0;
@@ -2840,40 +2892,19 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	len = min(len, TRACE_BUF_SIZE-1);
 	trace_buf[len] = 0;
 
-	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-					 &irq_flags);
+	size = sizeof(*entry) + len + 1;
+	event = ring_buffer_lock_reserve(tr->buffer, size, &irq_flags);
 	if (!event)
 		goto out_unlock;
-	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, flags);
-	entry->type			= TRACE_PRINT;
-	entry->field.print.ip		= ip;
+	entry = ring_buffer_event_data(event);
+	tracing_generic_entry_update(&entry->ent, flags);
+	entry->ent.type			= TRACE_PRINT;
+	entry->ip			= ip;
 
-	write = min(len, (int)(TRACE_PRINT_BUF_SIZE-1));
-
-	memcpy(&entry->field.print.buf, trace_buf, write);
-	entry->field.print.buf[write] = 0;
-	written = write;
+	memcpy(&entry->buf, trace_buf, len);
+	entry->buf[len] = 0;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
-	if (written != len)
-		entry->field.flags |= TRACE_FLAG_CONT;
-
-	while (written != len) {
-		event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
-						 &irq_flags);
-		if (!event)
-			goto out_unlock;
-		entry	= ring_buffer_event_data(event);
-
-		entry->type = TRACE_CONT;
-		write = min(len - written, (int)(TRACE_CONT_BUF_SIZE-1));
-		memcpy(&entry->cont.buf, trace_buf+written, write);
-		entry->cont.buf[write] = 0;
-		written += write;
-		ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
-	}
-
  out_unlock:
 	spin_unlock(&trace_buf_lock);
 
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index f6965f775b4..e541a6b7e31 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -26,10 +26,25 @@ enum trace_type {
 	__TRACE_LAST_TYPE
 };
 
+/*
+ * The trace entry - the most basic unit of tracing. This is what
+ * is printed in the end as a single line in the trace output, such as:
+ *
+ *     bash-15816 [01]   235.197585: idle_cpu <- irq_enter
+ */
+struct trace_entry {
+	unsigned char		type;
+	unsigned char		cpu;
+	unsigned char		flags;
+	unsigned char		preempt_count;
+	int			pid;
+};
+
 /*
  * Function trace entry - function address and parent function addres:
  */
 struct ftrace_entry {
+	struct trace_entry	ent;
 	unsigned long		ip;
 	unsigned long		parent_ip;
 };
@@ -39,6 +54,7 @@ extern struct tracer boot_tracer;
  * Context switch trace entry - which task (and prio) we switched from/to:
  */
 struct ctx_switch_entry {
+	struct trace_entry	ent;
 	unsigned int		prev_pid;
 	unsigned char		prev_prio;
 	unsigned char		prev_state;
@@ -52,6 +68,7 @@ struct ctx_switch_entry {
  * Special (free-form) trace entry:
  */
 struct special_entry {
+	struct trace_entry	ent;
 	unsigned long		arg1;
 	unsigned long		arg2;
 	unsigned long		arg3;
@@ -64,6 +81,7 @@ struct special_entry {
 #define FTRACE_STACK_ENTRIES	8
 
 struct stack_entry {
+	struct trace_entry	ent;
 	unsigned long		caller[FTRACE_STACK_ENTRIES];
 };
 
@@ -71,10 +89,34 @@ struct stack_entry {
  * ftrace_printk entry:
  */
 struct print_entry {
+	struct trace_entry	ent;
 	unsigned long		ip;
 	char			buf[];
 };
 
+#define TRACE_OLD_SIZE		88
+
+struct trace_field_cont {
+	unsigned char		type;
+	/* Temporary till we get rid of this completely */
+	char			buf[TRACE_OLD_SIZE - 1];
+};
+
+struct trace_mmiotrace_rw {
+	struct trace_entry	ent;
+	struct mmiotrace_rw	rw;
+};
+
+struct trace_mmiotrace_map {
+	struct trace_entry	ent;
+	struct mmiotrace_map	map;
+};
+
+struct trace_boot {
+	struct trace_entry	ent;
+	struct boot_trace	initcall;
+};
+
 /*
  * trace_flag_type is an enumeration that holds different
  * states when a trace occurs. These are:
@@ -92,46 +134,7 @@ enum trace_flag_type {
 	TRACE_FLAG_CONT			= 0x10,
 };
 
-/*
- * The trace field - the most basic unit of tracing. This is what
- * is printed in the end as a single line in the trace output, such as:
- *
- *     bash-15816 [01]   235.197585: idle_cpu <- irq_enter
- */
-struct trace_field {
-	char			cpu;
-	char			flags;
-	char			preempt_count;
-	int			pid;
-	union {
-		struct ftrace_entry		fn;
-		struct ctx_switch_entry		ctx;
-		struct special_entry		special;
-		struct stack_entry		stack;
-		struct print_entry		print;
-		struct mmiotrace_rw		mmiorw;
-		struct mmiotrace_map		mmiomap;
-		struct boot_trace		initcall;
-	};
-};
-
-struct trace_field_cont {
-	char				buf[sizeof(struct trace_field)];
-};
-
-struct trace_entry {
-	char 				type;
-	union {
-		struct trace_field	field;
-		struct trace_field_cont	cont;
-	};
-};
-
-#define TRACE_ENTRY_SIZE	sizeof(struct trace_entry)
 #define TRACE_BUF_SIZE		1024
-#define TRACE_PRINT_BUF_SIZE \
-	(sizeof(struct trace_field) - offsetof(struct trace_field, print.buf))
-#define TRACE_CONT_BUF_SIZE	sizeof(struct trace_field)
 
 /*
  * The CPU trace array - it consists of thousands of trace entries
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 3657eec6b87..fa8cca1be11 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -49,10 +49,11 @@ static int initcall_print_line(struct trace_iterator *iter)
 {
 	int ret = 0;
 	struct trace_entry *entry = iter->ent;
-	struct boot_trace *it = &entry->field.initcall;
+	struct trace_boot *field = (struct trace_boot *)entry;
+	struct boot_trace *it = &field->initcall;
 	struct trace_seq *s = &iter->seq;
 
-	if (iter->ent->type == TRACE_BOOT)
+	if (entry->type == TRACE_BOOT)
 		ret = trace_seq_printf(s, "%pF called from %i "
 				       "returned %d after %lld msecs\n",
 				       it->func, it->caller, it->result,
@@ -75,7 +76,7 @@ struct tracer boot_tracer __read_mostly =
 void trace_boot(struct boot_trace *it)
 {
 	struct ring_buffer_event *event;
-	struct trace_entry *entry;
+	struct trace_boot *entry;
 	struct trace_array_cpu *data;
 	unsigned long irq_flags;
 	struct trace_array *tr = boot_trace;
@@ -91,9 +92,9 @@ void trace_boot(struct boot_trace *it)
 	if (!event)
 		goto out;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, 0);
-	entry->type = TRACE_BOOT;
-	entry->field.initcall = *it;
+	tracing_generic_entry_update(&entry->ent, 0);
+	entry->ent.type = TRACE_BOOT;
+	entry->initcall = *it;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
 	trace_wake_up();
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index bdbf09d8413..3df441ea274 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -178,14 +178,16 @@ print_out:
 static int mmio_print_rw(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
-	struct mmiotrace_rw *rw	= &entry->field.mmiorw;
+	struct trace_mmiotrace_rw *field =
+		(struct trace_mmiotrace_rw *)entry;
+	struct mmiotrace_rw *rw	= &field->rw;
 	struct trace_seq *s	= &iter->seq;
 	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret = 1;
 
-	switch (entry->field.mmiorw.opcode) {
+	switch (rw->opcode) {
 	case MMIO_READ:
 		ret = trace_seq_printf(s,
 			"R %d %lu.%06lu %d 0x%llx 0x%lx 0x%lx %d\n",
@@ -220,14 +222,14 @@ static int mmio_print_rw(struct trace_iterator *iter)
 static int mmio_print_map(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
-	struct mmiotrace_map *m	= &entry->field.mmiomap;
+	struct mmiotrace_map *m	= (struct mmiotrace_map *)entry;
 	struct trace_seq *s	= &iter->seq;
 	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret = 1;
 
-	switch (entry->field.mmiorw.opcode) {
+	switch (m->opcode) {
 	case MMIO_PROBE:
 		ret = trace_seq_printf(s,
 			"MAP %lu.%06lu %d 0x%llx 0x%lx 0x%lx 0x%lx %d\n",
@@ -252,7 +254,8 @@ static int mmio_print_map(struct trace_iterator *iter)
 static int mmio_print_mark(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
-	const char *msg		= entry->field.print.buf;
+	struct print_entry *print = (struct print_entry *)entry;
+	const char *msg		= print->buf;
 	struct trace_seq *s	= &iter->seq;
 	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
@@ -264,7 +267,7 @@ static int mmio_print_mark(struct trace_iterator *iter)
 	if (!ret)
 		return 0;
 
-	if (entry->field.flags & TRACE_FLAG_CONT)
+	if (entry->flags & TRACE_FLAG_CONT)
 		trace_seq_print_cont(s, iter);
 
 	return 1;
@@ -308,7 +311,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
 				struct mmiotrace_rw *rw)
 {
 	struct ring_buffer_event *event;
-	struct trace_entry *entry;
+	struct trace_mmiotrace_rw *entry;
 	unsigned long irq_flags;
 
 	event	= ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
@@ -316,9 +319,9 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, 0);
-	entry->type			= TRACE_MMIO_RW;
-	entry->field.mmiorw		= *rw;
+	tracing_generic_entry_update(&entry->ent, 0);
+	entry->ent.type			= TRACE_MMIO_RW;
+	entry->rw			= *rw;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
 	trace_wake_up();
@@ -336,7 +339,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
 				struct mmiotrace_map *map)
 {
 	struct ring_buffer_event *event;
-	struct trace_entry *entry;
+	struct trace_mmiotrace_map *entry;
 	unsigned long irq_flags;
 
 	event	= ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
@@ -344,9 +347,9 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(entry, 0);
-	entry->type			= TRACE_MMIO_MAP;
-	entry->field.mmiomap		= *map;
+	tracing_generic_entry_update(&entry->ent, 0);
+	entry->ent.type			= TRACE_MMIO_MAP;
+	entry->map			= *map;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
 	trace_wake_up();
-- 
GitLab


From 2c4f035f6c3e8fda661eb6105aa51ef07aa71607 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Mon, 29 Sep 2008 20:18:34 +0200
Subject: [PATCH 0527/2224] tracing/ftrace: change the type of the print_line
 callback

We need a kind of disambiguation when a print_line callback
returns 0.

_There is not enough space to print all the entry.
 Please flush the seq and retry.
_I can't handle this type of entry

This patch changes the type of this callback for better information.

Also some changes have been made in this V2.

_ Only relay to default functions after the print_line callback fails.
_ This patch doesn't fix the issue with the broken pipe (see patch 2/4 for that)

Some things are still in discussion:

_ Find better names for the enum print_line_t values
_ Change the type of print_trace_line into boolean.

Patches to change that can be sent later.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 77 +++++++++++++++++++++++---------------------
 kernel/trace/trace.h | 10 +++++-
 2 files changed, 50 insertions(+), 37 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ed9e47c1881..b38a4bb4054 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1250,7 +1250,7 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 		trace_seq_putc(s, '\n');
 }
 
-static int
+static enum print_line_t
 print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 {
 	struct trace_seq *s = &iter->seq;
@@ -1267,7 +1267,7 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	unsigned state;
 
 	if (entry->type == TRACE_CONT)
-		return 1;
+		return TRACE_TYPE_HANDLED;
 
 	next_entry = find_next_entry(iter, NULL, &next_ts);
 	if (!next_entry)
@@ -1357,10 +1357,10 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	default:
 		trace_seq_printf(s, "Unknown type %d\n", entry->type);
 	}
-	return 1;
+	return TRACE_TYPE_HANDLED;
 }
 
-static int print_trace_fmt(struct trace_iterator *iter)
+static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	unsigned long sym_flags = (trace_flags & TRACE_ITER_SYM_MASK);
@@ -1376,7 +1376,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 	entry = iter->ent;
 
 	if (entry->type == TRACE_CONT)
-		return 1;
+		return TRACE_TYPE_HANDLED;
 
 	comm = trace_find_cmdline(iter->ent->pid);
 
@@ -1386,13 +1386,13 @@ static int print_trace_fmt(struct trace_iterator *iter)
 
 	ret = trace_seq_printf(s, "%16s-%-5d ", comm, entry->pid);
 	if (!ret)
-		return 0;
+		return TRACE_TYPE_PARTIAL_LINE;
 	ret = trace_seq_printf(s, "[%03d] ", iter->cpu);
 	if (!ret)
-		return 0;
+		return TRACE_TYPE_PARTIAL_LINE;
 	ret = trace_seq_printf(s, "%5lu.%06lu: ", secs, usec_rem);
 	if (!ret)
-		return 0;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	switch (entry->type) {
 	case TRACE_FN: {
@@ -1400,12 +1400,12 @@ static int print_trace_fmt(struct trace_iterator *iter)
 
 		ret = seq_print_ip_sym(s, field->ip, sym_flags);
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		if ((sym_flags & TRACE_ITER_PRINT_PARENT) &&
 						field->parent_ip) {
 			ret = trace_seq_printf(s, " <-");
 			if (!ret)
-				return 0;
+				return TRACE_TYPE_PARTIAL_LINE;
 			if (kretprobed(field->parent_ip))
 				ret = trace_seq_puts(s, KRETPROBE_MSG);
 			else
@@ -1413,11 +1413,11 @@ static int print_trace_fmt(struct trace_iterator *iter)
 						       field->parent_ip,
 						       sym_flags);
 			if (!ret)
-				return 0;
+				return TRACE_TYPE_PARTIAL_LINE;
 		}
 		ret = trace_seq_printf(s, "\n");
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		break;
 	}
 	case TRACE_CTX:
@@ -1439,7 +1439,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 				       field->next_prio,
 				       T);
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		break;
 	}
 	case TRACE_SPECIAL: {
@@ -1450,7 +1450,7 @@ static int print_trace_fmt(struct trace_iterator *iter)
 				 field->arg2,
 				 field->arg3);
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		break;
 	}
 	case TRACE_STACK: {
@@ -1460,16 +1460,16 @@ static int print_trace_fmt(struct trace_iterator *iter)
 			if (i) {
 				ret = trace_seq_puts(s, " <= ");
 				if (!ret)
-					return 0;
+					return TRACE_TYPE_PARTIAL_LINE;
 			}
 			ret = seq_print_ip_sym(s, field->caller[i],
 					       sym_flags);
 			if (!ret)
-				return 0;
+				return TRACE_TYPE_PARTIAL_LINE;
 		}
 		ret = trace_seq_puts(s, "\n");
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		break;
 	}
 	case TRACE_PRINT: {
@@ -1482,10 +1482,10 @@ static int print_trace_fmt(struct trace_iterator *iter)
 		break;
 	}
 	}
-	return 1;
+	return TRACE_TYPE_HANDLED;
 }
 
-static int print_raw_fmt(struct trace_iterator *iter)
+static enum print_line_t print_raw_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *entry;
@@ -1495,12 +1495,12 @@ static int print_raw_fmt(struct trace_iterator *iter)
 	entry = iter->ent;
 
 	if (entry->type == TRACE_CONT)
-		return 1;
+		return TRACE_TYPE_HANDLED;
 
 	ret = trace_seq_printf(s, "%d %d %llu ",
 		entry->pid, iter->cpu, iter->ts);
 	if (!ret)
-		return 0;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	switch (entry->type) {
 	case TRACE_FN: {
@@ -1510,7 +1510,7 @@ static int print_raw_fmt(struct trace_iterator *iter)
 					field->ip,
 					field->parent_ip);
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		break;
 	}
 	case TRACE_CTX:
@@ -1533,7 +1533,7 @@ static int print_raw_fmt(struct trace_iterator *iter)
 				       field->next_prio,
 				       T);
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		break;
 	}
 	case TRACE_SPECIAL:
@@ -1545,7 +1545,7 @@ static int print_raw_fmt(struct trace_iterator *iter)
 				 field->arg2,
 				 field->arg3);
 		if (!ret)
-			return 0;
+			return TRACE_TYPE_PARTIAL_LINE;
 		break;
 	}
 	case TRACE_PRINT: {
@@ -1557,7 +1557,7 @@ static int print_raw_fmt(struct trace_iterator *iter)
 		break;
 	}
 	}
-	return 1;
+	return TRACE_TYPE_HANDLED;
 }
 
 #define SEQ_PUT_FIELD_RET(s, x)				\
@@ -1572,7 +1572,7 @@ do {							\
 		return 0;				\
 } while (0)
 
-static int print_hex_fmt(struct trace_iterator *iter)
+static enum print_line_t print_hex_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	unsigned char newline = '\n';
@@ -1582,7 +1582,7 @@ static int print_hex_fmt(struct trace_iterator *iter)
 	entry = iter->ent;
 
 	if (entry->type == TRACE_CONT)
-		return 1;
+		return TRACE_TYPE_HANDLED;
 
 	SEQ_PUT_HEX_FIELD_RET(s, entry->pid);
 	SEQ_PUT_HEX_FIELD_RET(s, iter->cpu);
@@ -1628,10 +1628,10 @@ static int print_hex_fmt(struct trace_iterator *iter)
 	}
 	SEQ_PUT_FIELD_RET(s, newline);
 
-	return 1;
+	return TRACE_TYPE_HANDLED;
 }
 
-static int print_bin_fmt(struct trace_iterator *iter)
+static enum print_line_t print_bin_fmt(struct trace_iterator *iter)
 {
 	struct trace_seq *s = &iter->seq;
 	struct trace_entry *entry;
@@ -1639,7 +1639,7 @@ static int print_bin_fmt(struct trace_iterator *iter)
 	entry = iter->ent;
 
 	if (entry->type == TRACE_CONT)
-		return 1;
+		return TRACE_TYPE_HANDLED;
 
 	SEQ_PUT_FIELD_RET(s, entry->pid);
 	SEQ_PUT_FIELD_RET(s, iter->cpu);
@@ -1686,13 +1686,18 @@ static int trace_empty(struct trace_iterator *iter)
 		if (!ring_buffer_iter_empty(iter->buffer_iter[cpu]))
 			return 0;
 	}
-	return 1;
+	return TRACE_TYPE_HANDLED;
 }
 
-static int print_trace_line(struct trace_iterator *iter)
+static enum print_line_t print_trace_line(struct trace_iterator *iter)
 {
-	if (iter->trace && iter->trace->print_line)
-		return iter->trace->print_line(iter);
+	enum print_line_t ret;
+
+	if (iter->trace && iter->trace->print_line) {
+		ret = iter->trace->print_line(iter);
+		if (ret != TRACE_TYPE_UNHANDLED)
+			return ret;
+	}
 
 	if (trace_flags & TRACE_ITER_BIN)
 		return print_bin_fmt(iter);
@@ -2525,11 +2530,11 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 	ring_buffer_lock(iter->tr->buffer, &flags);
 
 	while (find_next_entry_inc(iter) != NULL) {
-		int ret;
+		enum print_line_t ret;
 		int len = iter->seq.len;
 
 		ret = print_trace_line(iter);
-		if (!ret) {
+		if (ret == TRACE_TYPE_PARTIAL_LINE) {
 			/* don't print partial lines */
 			iter->seq.len = len;
 			break;
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index e541a6b7e31..a921ba5d292 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -177,6 +177,14 @@ struct trace_array {
 	struct trace_array_cpu	*data[NR_CPUS];
 };
 
+
+/* Return values for print_line callback */
+enum print_line_t {
+	TRACE_TYPE_PARTIAL_LINE	= 0,	/* Retry after flushing the seq */
+	TRACE_TYPE_HANDLED	= 1,
+	TRACE_TYPE_UNHANDLED	= 2	/* Relay to other output functions */
+};
+
 /*
  * A specific tracer, represented by methods that operate on a trace array:
  */
@@ -197,7 +205,7 @@ struct tracer {
 	int			(*selftest)(struct tracer *trace,
 					    struct trace_array *tr);
 #endif
-	int			(*print_line)(struct trace_iterator *iter);
+	enum print_line_t	(*print_line)(struct trace_iterator *iter);
 	struct tracer		*next;
 	int			print_max;
 };
-- 
GitLab


From 9ff4b9744c187cae58c3774361ea090addbc4130 Mon Sep 17 00:00:00 2001
From: Pekka Paalanen <pq@iki.fi>
Date: Mon, 29 Sep 2008 20:23:48 +0200
Subject: [PATCH 0528/2224] tracing/ftrace: fix pipe breaking

This patch fixes a bug which break the pipe when the seq is empty.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index b38a4bb4054..6a1c76bb56b 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2439,7 +2439,6 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);
 	if (sret != -EBUSY)
 		return sret;
-	sret = 0;
 
 	trace_seq_reset(&iter->seq);
 
@@ -2450,6 +2449,8 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 			goto out;
 	}
 
+waitagain:
+	sret = 0;
 	while (trace_empty(iter)) {
 
 		if ((filp->f_flags & O_NONBLOCK)) {
@@ -2556,8 +2557,13 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);
 	if (iter->seq.readpos >= iter->seq.len)
 		trace_seq_reset(&iter->seq);
+
+	/*
+	 * If there was nothing to send to user, inspite of consuming trace
+	 * entries, go back to wait for more entries.
+	 */
 	if (sret == -EBUSY)
-		sret = 0;
+		goto waitagain;
 
 out:
 	mutex_unlock(&trace_types_lock);
-- 
GitLab


From 07f4e4f790895d55f46aaf89e7437da4a585989c Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Mon, 29 Sep 2008 20:27:42 +0200
Subject: [PATCH 0529/2224] tracing/ftrace: adapt mmiotrace to the new type of
 print_line

Adapt mmiotrace to the new print_line type.
By default, it ignores (and consumes) types it doesn't support.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_mmiotrace.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 3df441ea274..1a266aa08e1 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -175,7 +175,7 @@ print_out:
 	return (ret == -EBUSY) ? 0 : ret;
 }
 
-static int mmio_print_rw(struct trace_iterator *iter)
+static enum print_line_t mmio_print_rw(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
 	struct trace_mmiotrace_rw *field =
@@ -215,11 +215,11 @@ static int mmio_print_rw(struct trace_iterator *iter)
 		break;
 	}
 	if (ret)
-		return 1;
-	return 0;
+		return TRACE_TYPE_HANDLED;
+	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static int mmio_print_map(struct trace_iterator *iter)
+static enum print_line_t mmio_print_map(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
 	struct mmiotrace_map *m	= (struct mmiotrace_map *)entry;
@@ -227,7 +227,7 @@ static int mmio_print_map(struct trace_iterator *iter)
 	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
-	int ret = 1;
+	int ret;
 
 	switch (m->opcode) {
 	case MMIO_PROBE:
@@ -247,11 +247,11 @@ static int mmio_print_map(struct trace_iterator *iter)
 		break;
 	}
 	if (ret)
-		return 1;
-	return 0;
+		return TRACE_TYPE_HANDLED;
+	return TRACE_TYPE_PARTIAL_LINE;
 }
 
-static int mmio_print_mark(struct trace_iterator *iter)
+static enum print_line_t mmio_print_mark(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
 	struct print_entry *print = (struct print_entry *)entry;
@@ -265,16 +265,15 @@ static int mmio_print_mark(struct trace_iterator *iter)
 	/* The trailing newline must be in the message. */
 	ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg);
 	if (!ret)
-		return 0;
+		return TRACE_TYPE_PARTIAL_LINE;
 
 	if (entry->flags & TRACE_FLAG_CONT)
 		trace_seq_print_cont(s, iter);
 
-	return 1;
+	return TRACE_TYPE_HANDLED;
 }
 
-/* return 0 to abort printing without consuming current entry in pipe mode */
-static int mmio_print_line(struct trace_iterator *iter)
+static enum print_line_t mmio_print_line(struct trace_iterator *iter)
 {
 	switch (iter->ent->type) {
 	case TRACE_MMIO_RW:
@@ -284,7 +283,7 @@ static int mmio_print_line(struct trace_iterator *iter)
 	case TRACE_PRINT:
 		return mmio_print_mark(iter);
 	default:
-		return 1; /* ignore unknown entries */
+		return TRACE_TYPE_HANDLED; /* ignore unknown entries */
 	}
 }
 
-- 
GitLab


From 9e9efffb7848fe53c334996819139b431b983ac2 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Mon, 29 Sep 2008 20:31:58 +0200
Subject: [PATCH 0530/2224] tracing/ftrace: adapt the boot tracer to the new
 print_line type

This patch adapts the boot tracer to the new type of the
print_line callback.

It still relays entries it doesn't support to default output
functions.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_boot.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index fa8cca1be11..43bde20b95b 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -45,22 +45,25 @@ static void boot_trace_ctrl_update(struct trace_array *tr)
 		stop_boot_trace(tr);
 }
 
-static int initcall_print_line(struct trace_iterator *iter)
+static enum print_line_t initcall_print_line(struct trace_iterator *iter)
 {
-	int ret = 0;
+	int ret;
 	struct trace_entry *entry = iter->ent;
 	struct trace_boot *field = (struct trace_boot *)entry;
 	struct boot_trace *it = &field->initcall;
 	struct trace_seq *s = &iter->seq;
 
-	if (entry->type == TRACE_BOOT)
+	if (entry->type == TRACE_BOOT) {
 		ret = trace_seq_printf(s, "%pF called from %i "
 				       "returned %d after %lld msecs\n",
 				       it->func, it->caller, it->result,
 				       it->duration);
-	if (ret)
-		return 1;
-	return 0;
+		if (ret)
+			return TRACE_TYPE_HANDLED;
+		else
+			return TRACE_TYPE_PARTIAL_LINE;
+	}
+	return TRACE_TYPE_UNHANDLED;
 }
 
 struct tracer boot_tracer __read_mostly =
-- 
GitLab


From 70255b5e3f1bd1a5af5b1e425ec2c4db7c735112 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 1 Oct 2008 00:29:52 -0400
Subject: [PATCH 0531/2224] ring_buffer: remove raw from local_irq_save

The raw_local_irq_save causes issues with lockdep. We don't need it
so replace them with local_irq_save.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index cfa711374d9..8e7392fd0db 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -847,7 +847,7 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer,
 	if (atomic_read(&buffer->record_disabled))
 		return NULL;
 
-	raw_local_irq_save(*flags);
+	local_irq_save(*flags);
 	cpu = raw_smp_processor_id();
 
 	if (!cpu_isset(cpu, buffer->cpumask))
@@ -909,7 +909,7 @@ int ring_buffer_unlock_commit(struct ring_buffer *buffer,
 	rb_commit(cpu_buffer, event);
 
 	spin_unlock(&cpu_buffer->lock);
-	raw_local_irq_restore(flags);
+	local_irq_restore(flags);
 
 	return 0;
 }
@@ -1583,13 +1583,13 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu)
 	if (!cpu_isset(cpu, buffer->cpumask))
 		return;
 
-	raw_local_irq_save(flags);
+	local_irq_save(flags);
 	spin_lock(&cpu_buffer->lock);
 
 	rb_reset_cpu(cpu_buffer);
 
 	spin_unlock(&cpu_buffer->lock);
-	raw_local_irq_restore(flags);
+	local_irq_restore(flags);
 }
 
 /**
-- 
GitLab


From d769041f865330034131525ee6a7f72eb4af2a24 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 1 Oct 2008 00:29:53 -0400
Subject: [PATCH 0532/2224] ring_buffer: implement new locking

The old "lock always" scheme had issues with lockdep, and was not very
efficient anyways.

This patch does a new design to be partially lockless on writes.
Writes will add new entries to the per cpu pages by simply disabling
interrupts. When a write needs to go to another page than it will
grab the lock.

A new "read page" has been added so that the reader can pull out a page
from the ring buffer to read without worrying about the writer writing over
it. This allows us to not take the lock for all reads. The lock is
now only taken when a read needs to go to a new page.

This is far from lockless, and interrupts still need to be disabled,
but it is a step towards a more lockless solution, and it also
solves a lot of the issues that were noticed by the first conversion
of ftrace to the ring buffers.

Note: the ring_buffer_{un}lock API has been removed.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ring_buffer.h |   3 -
 kernel/trace/ring_buffer.c  | 298 ++++++++++++++++++++----------------
 kernel/trace/trace.c        | 113 +++++++++-----
 3 files changed, 247 insertions(+), 167 deletions(-)

diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index c52375b8330..536b0ca46a0 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -63,9 +63,6 @@ ring_buffer_event_time_delta(struct ring_buffer_event *event)
 	return event->time_delta;
 }
 
-void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags);
-void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags);
-
 /*
  * size is in bytes for each per CPU buffer.
  */
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 8e7392fd0db..9631abf2ae2 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -161,8 +161,10 @@ struct ring_buffer_per_cpu {
 	struct list_head		pages;
 	unsigned long			head;	/* read from head */
 	unsigned long			tail;	/* write to tail */
+	unsigned long			reader;
 	struct buffer_page		*head_page;
 	struct buffer_page		*tail_page;
+	struct buffer_page		*reader_page;
 	unsigned long			overrun;
 	unsigned long			entries;
 	u64				write_stamp;
@@ -260,6 +262,7 @@ static struct ring_buffer_per_cpu *
 rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
+	unsigned long addr;
 	int ret;
 
 	cpu_buffer = kzalloc_node(ALIGN(sizeof(*cpu_buffer), cache_line_size()),
@@ -272,9 +275,16 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
 	spin_lock_init(&cpu_buffer->lock);
 	INIT_LIST_HEAD(&cpu_buffer->pages);
 
+	addr = __get_free_page(GFP_KERNEL);
+	if (!addr)
+		goto fail_free_buffer;
+	cpu_buffer->reader_page = (struct buffer_page *)virt_to_page(addr);
+	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
+	cpu_buffer->reader_page->size = 0;
+
 	ret = rb_allocate_pages(cpu_buffer, buffer->pages);
 	if (ret < 0)
-		goto fail_free_buffer;
+		goto fail_free_reader;
 
 	cpu_buffer->head_page
 		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
@@ -283,6 +293,9 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
 
 	return cpu_buffer;
 
+ fail_free_reader:
+	free_buffer_page(cpu_buffer->reader_page);
+
  fail_free_buffer:
 	kfree(cpu_buffer);
 	return NULL;
@@ -293,6 +306,9 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer)
 	struct list_head *head = &cpu_buffer->pages;
 	struct buffer_page *page, *tmp;
 
+	list_del_init(&cpu_buffer->reader_page->list);
+	free_buffer_page(cpu_buffer->reader_page);
+
 	list_for_each_entry_safe(page, tmp, head, list) {
 		list_del_init(&page->list);
 		free_buffer_page(page);
@@ -538,8 +554,10 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size)
 
 static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
 {
-	return cpu_buffer->head_page == cpu_buffer->tail_page &&
-		cpu_buffer->head == cpu_buffer->tail;
+	return (cpu_buffer->reader == cpu_buffer->reader_page->size &&
+		(cpu_buffer->tail_page == cpu_buffer->reader_page ||
+		 (cpu_buffer->tail_page == cpu_buffer->head_page &&
+		  cpu_buffer->head == cpu_buffer->tail)));
 }
 
 static inline int rb_null_event(struct ring_buffer_event *event)
@@ -555,10 +573,10 @@ static inline void *rb_page_index(struct buffer_page *page, unsigned index)
 }
 
 static inline struct ring_buffer_event *
-rb_head_event(struct ring_buffer_per_cpu *cpu_buffer)
+rb_reader_event(struct ring_buffer_per_cpu *cpu_buffer)
 {
-	return rb_page_index(cpu_buffer->head_page,
-			     cpu_buffer->head);
+	return rb_page_index(cpu_buffer->reader_page,
+			     cpu_buffer->reader);
 }
 
 static inline struct ring_buffer_event *
@@ -610,15 +628,32 @@ rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts)
 	cpu_buffer->write_stamp = *ts;
 }
 
-static void rb_reset_read_page(struct ring_buffer_per_cpu *cpu_buffer)
+static void rb_reset_head_page(struct ring_buffer_per_cpu *cpu_buffer)
 {
-	cpu_buffer->read_stamp = cpu_buffer->head_page->time_stamp;
 	cpu_buffer->head = 0;
 }
 
-static void
-rb_reset_iter_read_page(struct ring_buffer_iter *iter)
+static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 {
+	cpu_buffer->read_stamp = cpu_buffer->reader_page->time_stamp;
+	cpu_buffer->reader = 0;
+}
+
+static inline void rb_inc_iter(struct ring_buffer_iter *iter)
+{
+	struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer;
+
+	/*
+	 * The iterator could be on the reader page (it starts there).
+	 * But the head could have moved, since the reader was
+	 * found. Check for this case and assign the iterator
+	 * to the head page instead of next.
+	 */
+	if (iter->head_page == cpu_buffer->reader_page)
+		iter->head_page = cpu_buffer->head_page;
+	else
+		rb_inc_page(cpu_buffer, &iter->head_page);
+
 	iter->read_stamp = iter->head_page->time_stamp;
 	iter->head = 0;
 }
@@ -693,30 +728,39 @@ static struct ring_buffer_event *
 __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
 		  unsigned type, unsigned long length, u64 *ts)
 {
-	struct buffer_page *head_page, *tail_page;
+	struct buffer_page *tail_page, *head_page, *reader_page;
 	unsigned long tail;
 	struct ring_buffer *buffer = cpu_buffer->buffer;
 	struct ring_buffer_event *event;
 
+	/* No locking needed for tail page */
 	tail_page = cpu_buffer->tail_page;
-	head_page = cpu_buffer->head_page;
 	tail = cpu_buffer->tail;
 
 	if (tail + length > BUF_PAGE_SIZE) {
 		struct buffer_page *next_page = tail_page;
 
+		spin_lock(&cpu_buffer->lock);
 		rb_inc_page(cpu_buffer, &next_page);
 
+		head_page = cpu_buffer->head_page;
+		reader_page = cpu_buffer->reader_page;
+
+		/* we grabbed the lock before incrementing */
+		WARN_ON(next_page == reader_page);
+
 		if (next_page == head_page) {
-			if (!(buffer->flags & RB_FL_OVERWRITE))
+			if (!(buffer->flags & RB_FL_OVERWRITE)) {
+				spin_unlock(&cpu_buffer->lock);
 				return NULL;
+			}
 
 			/* count overflows */
 			rb_update_overflow(cpu_buffer);
 
 			rb_inc_page(cpu_buffer, &head_page);
 			cpu_buffer->head_page = head_page;
-			rb_reset_read_page(cpu_buffer);
+			rb_reset_head_page(cpu_buffer);
 		}
 
 		if (tail != BUF_PAGE_SIZE) {
@@ -732,6 +776,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
 		cpu_buffer->tail_page = tail_page;
 		cpu_buffer->tail = tail;
 		rb_add_stamp(cpu_buffer, ts);
+		spin_unlock(&cpu_buffer->lock);
 	}
 
 	BUG_ON(tail + length > BUF_PAGE_SIZE);
@@ -802,7 +847,9 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer,
 				return NULL;
 		}
 	} else {
+		spin_lock(&cpu_buffer->lock);
 		rb_add_stamp(cpu_buffer, &ts);
+		spin_unlock(&cpu_buffer->lock);
 		delta = 0;
 	}
 
@@ -851,13 +898,12 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer,
 	cpu = raw_smp_processor_id();
 
 	if (!cpu_isset(cpu, buffer->cpumask))
-		goto out_irq;
+		goto out;
 
 	cpu_buffer = buffer->buffers[cpu];
-	spin_lock(&cpu_buffer->lock);
 
 	if (atomic_read(&cpu_buffer->record_disabled))
-		goto no_record;
+		goto out;
 
 	length = rb_calculate_event_length(length);
 	if (length > BUF_PAGE_SIZE)
@@ -865,13 +911,11 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer,
 
 	event = rb_reserve_next_event(cpu_buffer, RINGBUF_TYPE_DATA, length);
 	if (!event)
-		goto no_record;
+		goto out;
 
 	return event;
 
- no_record:
-	spin_unlock(&cpu_buffer->lock);
- out_irq:
+ out:
 	local_irq_restore(*flags);
 	return NULL;
 }
@@ -904,11 +948,8 @@ int ring_buffer_unlock_commit(struct ring_buffer *buffer,
 
 	cpu_buffer = buffer->buffers[cpu];
 
-	assert_spin_locked(&cpu_buffer->lock);
-
 	rb_commit(cpu_buffer, event);
 
-	spin_unlock(&cpu_buffer->lock);
 	local_irq_restore(flags);
 
 	return 0;
@@ -945,10 +986,9 @@ int ring_buffer_write(struct ring_buffer *buffer,
 	cpu = raw_smp_processor_id();
 
 	if (!cpu_isset(cpu, buffer->cpumask))
-		goto out_irq;
+		goto out;
 
 	cpu_buffer = buffer->buffers[cpu];
-	spin_lock(&cpu_buffer->lock);
 
 	if (atomic_read(&cpu_buffer->record_disabled))
 		goto out;
@@ -967,55 +1007,11 @@ int ring_buffer_write(struct ring_buffer *buffer,
 
 	ret = 0;
  out:
-	spin_unlock(&cpu_buffer->lock);
- out_irq:
 	local_irq_restore(flags);
 
 	return ret;
 }
 
-/**
- * ring_buffer_lock - lock the ring buffer
- * @buffer: The ring buffer to lock
- * @flags: The place to store the interrupt flags
- *
- * This locks all the per CPU buffers.
- *
- * Must be unlocked by ring_buffer_unlock.
- */
-void ring_buffer_lock(struct ring_buffer *buffer, unsigned long *flags)
-{
-	struct ring_buffer_per_cpu *cpu_buffer;
-	int cpu;
-
-	local_irq_save(*flags);
-
-	for_each_buffer_cpu(buffer, cpu) {
-		cpu_buffer = buffer->buffers[cpu];
-		spin_lock(&cpu_buffer->lock);
-	}
-}
-
-/**
- * ring_buffer_unlock - unlock a locked buffer
- * @buffer: The locked buffer to unlock
- * @flags: The interrupt flags received by ring_buffer_lock
- */
-void ring_buffer_unlock(struct ring_buffer *buffer, unsigned long flags)
-{
-	struct ring_buffer_per_cpu *cpu_buffer;
-	int cpu;
-
-	for (cpu = buffer->cpus - 1; cpu >= 0; cpu--) {
-		if (!cpu_isset(cpu, buffer->cpumask))
-			continue;
-		cpu_buffer = buffer->buffers[cpu];
-		spin_unlock(&cpu_buffer->lock);
-	}
-
-	local_irq_restore(flags);
-}
-
 /**
  * ring_buffer_record_disable - stop all writes into the buffer
  * @buffer: The ring buffer to stop writes to.
@@ -1169,9 +1165,18 @@ void ring_buffer_iter_reset(struct ring_buffer_iter *iter)
 {
 	struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer;
 
-	iter->head_page = cpu_buffer->head_page;
-	iter->head = cpu_buffer->head;
-	rb_reset_iter_read_page(iter);
+	/* Iterator usage is expected to have record disabled */
+	if (list_empty(&cpu_buffer->reader_page->list)) {
+		iter->head_page = cpu_buffer->head_page;
+		iter->head = cpu_buffer->head;
+	} else {
+		iter->head_page = cpu_buffer->reader_page;
+		iter->head = cpu_buffer->reader;
+	}
+	if (iter->head)
+		iter->read_stamp = cpu_buffer->read_stamp;
+	else
+		iter->read_stamp = iter->head_page->time_stamp;
 }
 
 /**
@@ -1250,43 +1255,84 @@ rb_update_iter_read_stamp(struct ring_buffer_iter *iter,
 	return;
 }
 
-static void rb_advance_head(struct ring_buffer_per_cpu *cpu_buffer)
+static struct buffer_page *
+rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 {
-	struct ring_buffer_event *event;
-	unsigned length;
+	struct buffer_page *reader = NULL;
+	unsigned long flags;
+
+	spin_lock_irqsave(&cpu_buffer->lock, flags);
+
+ again:
+	reader = cpu_buffer->reader_page;
+
+	/* If there's more to read, return this page */
+	if (cpu_buffer->reader < reader->size)
+		goto out;
+
+	/* Never should we have an index greater than the size */
+	WARN_ON(cpu_buffer->reader > reader->size);
+
+	/* check if we caught up to the tail */
+	reader = NULL;
+	if (cpu_buffer->tail_page == cpu_buffer->reader_page)
+		goto out;
 
 	/*
-	 * Check if we are at the end of the buffer.
+	 * Splice the empty reader page into the list around the head.
+	 * Reset the reader page to size zero.
 	 */
-	if (cpu_buffer->head >= cpu_buffer->head_page->size) {
-		BUG_ON(cpu_buffer->head_page == cpu_buffer->tail_page);
-		rb_inc_page(cpu_buffer, &cpu_buffer->head_page);
-		rb_reset_read_page(cpu_buffer);
-		return;
-	}
 
-	event = rb_head_event(cpu_buffer);
+	reader = cpu_buffer->head_page;
+	cpu_buffer->reader_page->list.next = reader->list.next;
+	cpu_buffer->reader_page->list.prev = reader->list.prev;
+	cpu_buffer->reader_page->size = 0;
 
-	if (event->type == RINGBUF_TYPE_DATA)
-		cpu_buffer->entries--;
-
-	length = rb_event_length(event);
+	/* Make the reader page now replace the head */
+	reader->list.prev->next = &cpu_buffer->reader_page->list;
+	reader->list.next->prev = &cpu_buffer->reader_page->list;
 
 	/*
-	 * This should not be called to advance the header if we are
-	 * at the tail of the buffer.
+	 * If the tail is on the reader, then we must set the head
+	 * to the inserted page, otherwise we set it one before.
 	 */
-	BUG_ON((cpu_buffer->head_page == cpu_buffer->tail_page) &&
-	       (cpu_buffer->head + length > cpu_buffer->tail));
+	cpu_buffer->head_page = cpu_buffer->reader_page;
 
-	rb_update_read_stamp(cpu_buffer, event);
+	if (cpu_buffer->tail_page != reader)
+		rb_inc_page(cpu_buffer, &cpu_buffer->head_page);
+
+	/* Finally update the reader page to the new head */
+	cpu_buffer->reader_page = reader;
+	rb_reset_reader_page(cpu_buffer);
+
+	goto again;
+
+ out:
+	spin_unlock_irqrestore(&cpu_buffer->lock, flags);
+
+	return reader;
+}
+
+static void rb_advance_reader(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	struct ring_buffer_event *event;
+	struct buffer_page *reader;
+	unsigned length;
+
+	reader = rb_get_reader_page(cpu_buffer);
 
-	cpu_buffer->head += length;
+	/* This function should not be called when buffer is empty */
+	BUG_ON(!reader);
 
-	/* check for end of page */
-	if ((cpu_buffer->head >= cpu_buffer->head_page->size) &&
-	    (cpu_buffer->head_page != cpu_buffer->tail_page))
-		rb_advance_head(cpu_buffer);
+	event = rb_reader_event(cpu_buffer);
+
+	if (event->type == RINGBUF_TYPE_DATA)
+		cpu_buffer->entries--;
+
+	rb_update_read_stamp(cpu_buffer, event);
+
+	length = rb_event_length(event);
+	cpu_buffer->reader += length;
 }
 
 static void rb_advance_iter(struct ring_buffer_iter *iter)
@@ -1304,8 +1350,7 @@ static void rb_advance_iter(struct ring_buffer_iter *iter)
 	 */
 	if (iter->head >= iter->head_page->size) {
 		BUG_ON(iter->head_page == cpu_buffer->tail_page);
-		rb_inc_page(cpu_buffer, &iter->head_page);
-		rb_reset_iter_read_page(iter);
+		rb_inc_iter(iter);
 		return;
 	}
 
@@ -1344,6 +1389,7 @@ ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts)
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
 	struct ring_buffer_event *event;
+	struct buffer_page *reader;
 
 	if (!cpu_isset(cpu, buffer->cpumask))
 		return NULL;
@@ -1351,25 +1397,26 @@ ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts)
 	cpu_buffer = buffer->buffers[cpu];
 
  again:
-	if (rb_per_cpu_empty(cpu_buffer))
+	reader = rb_get_reader_page(cpu_buffer);
+	if (!reader)
 		return NULL;
 
-	event = rb_head_event(cpu_buffer);
+	event = rb_reader_event(cpu_buffer);
 
 	switch (event->type) {
 	case RINGBUF_TYPE_PADDING:
-		rb_inc_page(cpu_buffer, &cpu_buffer->head_page);
-		rb_reset_read_page(cpu_buffer);
-		goto again;
+		WARN_ON(1);
+		rb_advance_reader(cpu_buffer);
+		return NULL;
 
 	case RINGBUF_TYPE_TIME_EXTEND:
 		/* Internal data, OK to advance */
-		rb_advance_head(cpu_buffer);
+		rb_advance_reader(cpu_buffer);
 		goto again;
 
 	case RINGBUF_TYPE_TIME_STAMP:
 		/* FIXME: not implemented */
-		rb_advance_head(cpu_buffer);
+		rb_advance_reader(cpu_buffer);
 		goto again;
 
 	case RINGBUF_TYPE_DATA:
@@ -1415,8 +1462,7 @@ ring_buffer_iter_peek(struct ring_buffer_iter *iter, u64 *ts)
 
 	switch (event->type) {
 	case RINGBUF_TYPE_PADDING:
-		rb_inc_page(cpu_buffer, &iter->head_page);
-		rb_reset_iter_read_page(iter);
+		rb_inc_iter(iter);
 		goto again;
 
 	case RINGBUF_TYPE_TIME_EXTEND:
@@ -1465,7 +1511,7 @@ ring_buffer_consume(struct ring_buffer *buffer, int cpu, u64 *ts)
 		return NULL;
 
 	cpu_buffer = buffer->buffers[cpu];
-	rb_advance_head(cpu_buffer);
+	rb_advance_reader(cpu_buffer);
 
 	return event;
 }
@@ -1487,6 +1533,7 @@ ring_buffer_read_start(struct ring_buffer *buffer, int cpu)
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
 	struct ring_buffer_iter *iter;
+	unsigned long flags;
 
 	if (!cpu_isset(cpu, buffer->cpumask))
 		return NULL;
@@ -1502,11 +1549,9 @@ ring_buffer_read_start(struct ring_buffer *buffer, int cpu)
 	atomic_inc(&cpu_buffer->record_disabled);
 	synchronize_sched();
 
-	spin_lock(&cpu_buffer->lock);
-	iter->head = cpu_buffer->head;
-	iter->head_page = cpu_buffer->head_page;
-	rb_reset_iter_read_page(iter);
-	spin_unlock(&cpu_buffer->lock);
+	spin_lock_irqsave(&cpu_buffer->lock, flags);
+	ring_buffer_iter_reset(iter);
+	spin_unlock_irqrestore(&cpu_buffer->lock, flags);
 
 	return iter;
 }
@@ -1562,10 +1607,14 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
 {
 	cpu_buffer->head_page
 		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
-	cpu_buffer->tail_page
-		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
+	cpu_buffer->head_page->size = 0;
+	cpu_buffer->tail_page = cpu_buffer->head_page;
+	cpu_buffer->tail_page->size = 0;
+	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
+	cpu_buffer->reader_page->size = 0;
+
+	cpu_buffer->head = cpu_buffer->tail = cpu_buffer->reader = 0;
 
-	cpu_buffer->head = cpu_buffer->tail = 0;
 	cpu_buffer->overrun = 0;
 	cpu_buffer->entries = 0;
 }
@@ -1583,13 +1632,11 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu)
 	if (!cpu_isset(cpu, buffer->cpumask))
 		return;
 
-	local_irq_save(flags);
-	spin_lock(&cpu_buffer->lock);
+	spin_lock_irqsave(&cpu_buffer->lock, flags);
 
 	rb_reset_cpu(cpu_buffer);
 
-	spin_unlock(&cpu_buffer->lock);
-	local_irq_restore(flags);
+	spin_unlock_irqrestore(&cpu_buffer->lock, flags);
 }
 
 /**
@@ -1598,15 +1645,10 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu)
  */
 void ring_buffer_reset(struct ring_buffer *buffer)
 {
-	unsigned long flags;
 	int cpu;
 
-	ring_buffer_lock(buffer, &flags);
-
 	for_each_buffer_cpu(buffer, cpu)
-		rb_reset_cpu(buffer->buffers[cpu]);
-
-	ring_buffer_unlock(buffer, flags);
+		ring_buffer_reset_cpu(buffer, cpu);
 }
 
 /**
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 6a1c76bb56b..b542f883780 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -42,6 +42,20 @@
 unsigned long __read_mostly	tracing_max_latency = (cycle_t)ULONG_MAX;
 unsigned long __read_mostly	tracing_thresh;
 
+static DEFINE_PER_CPU(local_t, ftrace_cpu_disabled);
+
+static inline void ftrace_disable_cpu(void)
+{
+	preempt_disable();
+	local_inc(&__get_cpu_var(ftrace_cpu_disabled));
+}
+
+static inline void ftrace_enable_cpu(void)
+{
+	local_dec(&__get_cpu_var(ftrace_cpu_disabled));
+	preempt_enable();
+}
+
 static cpumask_t __read_mostly		tracing_buffer_mask;
 
 #define for_each_tracing_cpu(cpu)	\
@@ -406,7 +420,9 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 	tr->buffer = max_tr.buffer;
 	max_tr.buffer = buf;
 
+	ftrace_disable_cpu();
 	ring_buffer_reset(tr->buffer);
+	ftrace_enable_cpu();
 
 	__update_max_tr(tr, tsk, cpu);
 	__raw_spin_unlock(&ftrace_max_lock);
@@ -428,9 +444,13 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
 	WARN_ON_ONCE(!irqs_disabled());
 	__raw_spin_lock(&ftrace_max_lock);
 
+	ftrace_disable_cpu();
+
 	ring_buffer_reset(max_tr.buffer);
 	ret = ring_buffer_swap_cpu(max_tr.buffer, tr->buffer, cpu);
 
+	ftrace_enable_cpu();
+
 	WARN_ON_ONCE(ret);
 
 	__update_max_tr(tr, tsk, cpu);
@@ -543,7 +563,9 @@ void unregister_tracer(struct tracer *type)
 
 void tracing_reset(struct trace_array *tr, int cpu)
 {
+	ftrace_disable_cpu();
 	ring_buffer_reset_cpu(tr->buffer, cpu);
+	ftrace_enable_cpu();
 }
 
 #define SAVED_CMDLINES 128
@@ -654,6 +676,10 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 	struct ftrace_entry *entry;
 	unsigned long irq_flags;
 
+	/* If we are reading the ring buffer, don't trace */
+	if (unlikely(local_read(&__get_cpu_var(ftrace_cpu_disabled))))
+		return;
+
 	event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry),
 					 &irq_flags);
 	if (!event)
@@ -870,8 +896,14 @@ enum trace_file_type {
 
 static void trace_iterator_increment(struct trace_iterator *iter, int cpu)
 {
+	/* Don't allow ftrace to trace into the ring buffers */
+	ftrace_disable_cpu();
+
 	iter->idx++;
-	ring_buffer_read(iter->buffer_iter[iter->cpu], NULL);
+	if (iter->buffer_iter[iter->cpu])
+		ring_buffer_read(iter->buffer_iter[iter->cpu], NULL);
+
+	ftrace_enable_cpu();
 }
 
 static struct trace_entry *
@@ -880,9 +912,19 @@ peek_next_entry(struct trace_iterator *iter, int cpu, u64 *ts)
 	struct ring_buffer_event *event;
 	struct ring_buffer_iter *buf_iter = iter->buffer_iter[cpu];
 
-	event = ring_buffer_iter_peek(buf_iter, ts);
+	/* Don't allow ftrace to trace into the ring buffers */
+	ftrace_disable_cpu();
+
+	if (buf_iter)
+		event = ring_buffer_iter_peek(buf_iter, ts);
+	else
+		event = ring_buffer_peek(iter->tr->buffer, cpu, ts);
+
+	ftrace_enable_cpu();
+
 	return event ? ring_buffer_event_data(event) : NULL;
 }
+
 static struct trace_entry *
 __find_next_entry(struct trace_iterator *iter, int *ent_cpu, u64 *ent_ts)
 {
@@ -938,7 +980,10 @@ static void *find_next_entry_inc(struct trace_iterator *iter)
 
 static void trace_consume(struct trace_iterator *iter)
 {
+	/* Don't allow ftrace to trace into the ring buffers */
+	ftrace_disable_cpu();
 	ring_buffer_consume(iter->tr->buffer, iter->cpu, &iter->ts);
+	ftrace_enable_cpu();
 }
 
 static void *s_next(struct seq_file *m, void *v, loff_t *pos)
@@ -991,10 +1036,14 @@ static void *s_start(struct seq_file *m, loff_t *pos)
 		iter->cpu = 0;
 		iter->idx = -1;
 
+		ftrace_disable_cpu();
+
 		for_each_tracing_cpu(cpu) {
 			ring_buffer_iter_reset(iter->buffer_iter[cpu]);
 		}
 
+		ftrace_enable_cpu();
+
 		for (p = iter; p && l < *pos; p = s_next(m, p, &l))
 			;
 
@@ -1242,7 +1291,16 @@ void trace_seq_print_cont(struct trace_seq *s, struct trace_iterator *iter)
 		cont = (struct trace_field_cont *)ent;
 		if (ok)
 			ok = (trace_seq_printf(s, "%s", cont->buf) > 0);
-		ring_buffer_read(iter->buffer_iter[iter->cpu], NULL);
+
+		ftrace_disable_cpu();
+
+		if (iter->buffer_iter[iter->cpu])
+			ring_buffer_read(iter->buffer_iter[iter->cpu], NULL);
+		else
+			ring_buffer_consume(iter->tr->buffer, iter->cpu, NULL);
+
+		ftrace_enable_cpu();
+
 		ent = peek_next_entry(iter, iter->cpu, NULL);
 	} while (ent && ent->type == TRACE_CONT);
 
@@ -1683,9 +1741,15 @@ static int trace_empty(struct trace_iterator *iter)
 	int cpu;
 
 	for_each_tracing_cpu(cpu) {
-		if (!ring_buffer_iter_empty(iter->buffer_iter[cpu]))
-			return 0;
+		if (iter->buffer_iter[cpu]) {
+			if (!ring_buffer_iter_empty(iter->buffer_iter[cpu]))
+				return 0;
+		} else {
+			if (!ring_buffer_empty_cpu(iter->tr->buffer, cpu))
+				return 0;
+		}
 	}
+
 	return TRACE_TYPE_HANDLED;
 }
 
@@ -1776,8 +1840,10 @@ __tracing_open(struct inode *inode, struct file *file, int *ret)
 	iter->pos = -1;
 
 	for_each_tracing_cpu(cpu) {
+
 		iter->buffer_iter[cpu] =
 			ring_buffer_read_start(iter->tr->buffer, cpu);
+
 		if (!iter->buffer_iter[cpu])
 			goto fail_buffer;
 	}
@@ -2341,7 +2407,6 @@ static atomic_t tracing_reader;
 static int tracing_open_pipe(struct inode *inode, struct file *filp)
 {
 	struct trace_iterator *iter;
-	int cpu;
 
 	if (tracing_disabled)
 		return -ENODEV;
@@ -2362,38 +2427,17 @@ static int tracing_open_pipe(struct inode *inode, struct file *filp)
 	iter->trace = current_trace;
 	filp->private_data = iter;
 
-	for_each_tracing_cpu(cpu) {
-		iter->buffer_iter[cpu] =
-			ring_buffer_read_start(iter->tr->buffer, cpu);
-		if (!iter->buffer_iter[cpu])
-			goto fail_buffer;
-	}
-
 	if (iter->trace->pipe_open)
 		iter->trace->pipe_open(iter);
 	mutex_unlock(&trace_types_lock);
 
 	return 0;
-
- fail_buffer:
-	for_each_tracing_cpu(cpu) {
-		if (iter->buffer_iter[cpu])
-			ring_buffer_read_finish(iter->buffer_iter[cpu]);
-	}
-	mutex_unlock(&trace_types_lock);
-
-	return -ENOMEM;
 }
 
 static int tracing_release_pipe(struct inode *inode, struct file *file)
 {
 	struct trace_iterator *iter = file->private_data;
-	int cpu;
 
-	for_each_tracing_cpu(cpu) {
-		if (iter->buffer_iter[cpu])
-			ring_buffer_read_finish(iter->buffer_iter[cpu]);
-	}
 	kfree(iter);
 	atomic_dec(&tracing_reader);
 
@@ -2429,7 +2473,6 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 		  size_t cnt, loff_t *ppos)
 {
 	struct trace_iterator *iter = filp->private_data;
-	unsigned long flags;
 #ifdef CONFIG_FTRACE
 	int ftrace_save;
 #endif
@@ -2528,7 +2571,6 @@ waitagain:
 	ftrace_enabled = 0;
 #endif
 	smp_wmb();
-	ring_buffer_lock(iter->tr->buffer, &flags);
 
 	while (find_next_entry_inc(iter) != NULL) {
 		enum print_line_t ret;
@@ -2547,7 +2589,6 @@ waitagain:
 			break;
 	}
 
-	ring_buffer_unlock(iter->tr->buffer, flags);
 #ifdef CONFIG_FTRACE
 	ftrace_enabled = ftrace_save;
 #endif
@@ -3010,8 +3051,8 @@ void ftrace_dump(void)
 	static struct trace_iterator iter;
 	static cpumask_t mask;
 	static int dump_ran;
-	unsigned long flags, irq_flags;
-	int cnt = 0;
+	unsigned long flags;
+	int cnt = 0, cpu;
 
 	/* only one dump */
 	spin_lock_irqsave(&ftrace_dump_lock, flags);
@@ -3023,6 +3064,10 @@ void ftrace_dump(void)
 	/* No turning back! */
 	ftrace_kill_atomic();
 
+	for_each_tracing_cpu(cpu) {
+		atomic_inc(&global_trace.data[cpu]->disabled);
+	}
+
 	printk(KERN_TRACE "Dumping ftrace buffer:\n");
 
 	iter.tr = &global_trace;
@@ -3037,8 +3082,6 @@ void ftrace_dump(void)
 
 	cpus_clear(mask);
 
-	ring_buffer_lock(iter.tr->buffer, &irq_flags);
-
 	while (!trace_empty(&iter)) {
 
 		if (!cnt)
@@ -3066,8 +3109,6 @@ void ftrace_dump(void)
 	else
 		printk(KERN_TRACE "---------------------------------\n");
 
-	ring_buffer_unlock(iter.tr->buffer, irq_flags);
-
  out:
 	spin_unlock_irqrestore(&ftrace_dump_lock, flags);
 }
-- 
GitLab


From 797d3712a9dd75c720558612be05f42c031a7bb5 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Tue, 30 Sep 2008 18:13:45 +0200
Subject: [PATCH 0533/2224] tracing/ftrace: adapt mmiotrace to the new type of
 print_line, fix

Correct the value's type of trace_empty function

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index b542f883780..c1634068adf 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1750,7 +1750,7 @@ static int trace_empty(struct trace_iterator *iter)
 		}
 	}
 
-	return TRACE_TYPE_HANDLED;
+	return 1;
 }
 
 static enum print_line_t print_trace_line(struct trace_iterator *iter)
-- 
GitLab


From 7104f300c5a69b46dda00d898034dd05c9f21739 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 1 Oct 2008 10:52:51 -0400
Subject: [PATCH 0534/2224] ftrace: type cast filter+verifier

The mmiotrace map had a bug that would typecast the entry from
the trace to the wrong type. That is a known danger of C typecasts,
there's absolutely zero checking done on them.

Help that problem a bit by using a GCC extension to implement a
type filter that restricts the types that a trace record can be
cast into, and by adding a dynamic check (in debug mode) to verify
the type of the entry.

This patch adds a macro to assign all entries of ftrace using the type
of the variable and checking the entry id. The typecasts are now done
in the macro for only those types that it knows about, which should
be all the types that are allowed to be read from the tracer.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c           | 85 ++++++++++++++++++++++++----------
 kernel/trace/trace.h           | 42 +++++++++++++++++
 kernel/trace/trace_mmiotrace.c | 14 ++++--
 3 files changed, 112 insertions(+), 29 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c1634068adf..948f7d821c6 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1350,7 +1350,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	}
 	switch (entry->type) {
 	case TRACE_FN: {
-		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+		struct ftrace_entry *field;
+
+		trace_assign_type(field, entry);
 
 		seq_print_ip_sym(s, field->ip, sym_flags);
 		trace_seq_puts(s, " (");
@@ -1363,8 +1365,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 	}
 	case TRACE_CTX:
 	case TRACE_WAKE: {
-		struct ctx_switch_entry *field =
-			(struct ctx_switch_entry *)entry;
+		struct ctx_switch_entry *field;
+
+		trace_assign_type(field, entry);
 
 		T = field->next_state < sizeof(state_to_char) ?
 			state_to_char[field->next_state] : 'X';
@@ -1384,7 +1387,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 		break;
 	}
 	case TRACE_SPECIAL: {
-		struct special_entry *field = (struct special_entry *)entry;
+		struct special_entry *field;
+
+		trace_assign_type(field, entry);
 
 		trace_seq_printf(s, "# %ld %ld %ld\n",
 				 field->arg1,
@@ -1393,7 +1398,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 		break;
 	}
 	case TRACE_STACK: {
-		struct stack_entry *field = (struct stack_entry *)entry;
+		struct stack_entry *field;
+
+		trace_assign_type(field, entry);
 
 		for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
 			if (i)
@@ -1404,7 +1411,9 @@ print_lat_fmt(struct trace_iterator *iter, unsigned int trace_idx, int cpu)
 		break;
 	}
 	case TRACE_PRINT: {
-		struct print_entry *field = (struct print_entry *)entry;
+		struct print_entry *field;
+
+		trace_assign_type(field, entry);
 
 		seq_print_ip_sym(s, field->ip, sym_flags);
 		trace_seq_printf(s, ": %s", field->buf);
@@ -1454,7 +1463,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
 
 	switch (entry->type) {
 	case TRACE_FN: {
-		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+		struct ftrace_entry *field;
+
+		trace_assign_type(field, entry);
 
 		ret = seq_print_ip_sym(s, field->ip, sym_flags);
 		if (!ret)
@@ -1480,8 +1491,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
 	}
 	case TRACE_CTX:
 	case TRACE_WAKE: {
-		struct ctx_switch_entry *field =
-			(struct ctx_switch_entry *)entry;
+		struct ctx_switch_entry *field;
+
+		trace_assign_type(field, entry);
 
 		S = field->prev_state < sizeof(state_to_char) ?
 			state_to_char[field->prev_state] : 'X';
@@ -1501,7 +1513,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
 		break;
 	}
 	case TRACE_SPECIAL: {
-		struct special_entry *field = (struct special_entry *)entry;
+		struct special_entry *field;
+
+		trace_assign_type(field, entry);
 
 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
 				 field->arg1,
@@ -1512,7 +1526,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
 		break;
 	}
 	case TRACE_STACK: {
-		struct stack_entry *field = (struct stack_entry *)entry;
+		struct stack_entry *field;
+
+		trace_assign_type(field, entry);
 
 		for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
 			if (i) {
@@ -1531,7 +1547,9 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter)
 		break;
 	}
 	case TRACE_PRINT: {
-		struct print_entry *field = (struct print_entry *)entry;
+		struct print_entry *field;
+
+		trace_assign_type(field, entry);
 
 		seq_print_ip_sym(s, field->ip, sym_flags);
 		trace_seq_printf(s, ": %s", field->buf);
@@ -1562,7 +1580,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter)
 
 	switch (entry->type) {
 	case TRACE_FN: {
-		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+		struct ftrace_entry *field;
+
+		trace_assign_type(field, entry);
 
 		ret = trace_seq_printf(s, "%x %x\n",
 					field->ip,
@@ -1573,8 +1593,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter)
 	}
 	case TRACE_CTX:
 	case TRACE_WAKE: {
-		struct ctx_switch_entry *field =
-			(struct ctx_switch_entry *)entry;
+		struct ctx_switch_entry *field;
+
+		trace_assign_type(field, entry);
 
 		S = field->prev_state < sizeof(state_to_char) ?
 			state_to_char[field->prev_state] : 'X';
@@ -1596,7 +1617,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter)
 	}
 	case TRACE_SPECIAL:
 	case TRACE_STACK: {
-		struct special_entry *field = (struct special_entry *)entry;
+		struct special_entry *field;
+
+		trace_assign_type(field, entry);
 
 		ret = trace_seq_printf(s, "# %ld %ld %ld\n",
 				 field->arg1,
@@ -1607,7 +1630,9 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter)
 		break;
 	}
 	case TRACE_PRINT: {
-		struct print_entry *field = (struct print_entry *)entry;
+		struct print_entry *field;
+
+		trace_assign_type(field, entry);
 
 		trace_seq_printf(s, "# %lx %s", field->ip, field->buf);
 		if (entry->flags & TRACE_FLAG_CONT)
@@ -1648,7 +1673,9 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter)
 
 	switch (entry->type) {
 	case TRACE_FN: {
-		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+		struct ftrace_entry *field;
+
+		trace_assign_type(field, entry);
 
 		SEQ_PUT_HEX_FIELD_RET(s, field->ip);
 		SEQ_PUT_HEX_FIELD_RET(s, field->parent_ip);
@@ -1656,8 +1683,9 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter)
 	}
 	case TRACE_CTX:
 	case TRACE_WAKE: {
-		struct ctx_switch_entry *field =
-			(struct ctx_switch_entry *)entry;
+		struct ctx_switch_entry *field;
+
+		trace_assign_type(field, entry);
 
 		S = field->prev_state < sizeof(state_to_char) ?
 			state_to_char[field->prev_state] : 'X';
@@ -1676,7 +1704,9 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter)
 	}
 	case TRACE_SPECIAL:
 	case TRACE_STACK: {
-		struct special_entry *field = (struct special_entry *)entry;
+		struct special_entry *field;
+
+		trace_assign_type(field, entry);
 
 		SEQ_PUT_HEX_FIELD_RET(s, field->arg1);
 		SEQ_PUT_HEX_FIELD_RET(s, field->arg2);
@@ -1705,15 +1735,18 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter)
 
 	switch (entry->type) {
 	case TRACE_FN: {
-		struct ftrace_entry *field = (struct ftrace_entry *)entry;
+		struct ftrace_entry *field;
+
+		trace_assign_type(field, entry);
 
 		SEQ_PUT_FIELD_RET(s, field->ip);
 		SEQ_PUT_FIELD_RET(s, field->parent_ip);
 		break;
 	}
 	case TRACE_CTX: {
-		struct ctx_switch_entry *field =
-			(struct ctx_switch_entry *)entry;
+		struct ctx_switch_entry *field;
+
+		trace_assign_type(field, entry);
 
 		SEQ_PUT_FIELD_RET(s, field->prev_pid);
 		SEQ_PUT_FIELD_RET(s, field->prev_prio);
@@ -1725,7 +1758,9 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter)
 	}
 	case TRACE_SPECIAL:
 	case TRACE_STACK: {
-		struct special_entry *field = (struct special_entry *)entry;
+		struct special_entry *field;
+
+		trace_assign_type(field, entry);
 
 		SEQ_PUT_FIELD_RET(s, field->arg1);
 		SEQ_PUT_FIELD_RET(s, field->arg2);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index a921ba5d292..f02042d0d82 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -177,6 +177,48 @@ struct trace_array {
 	struct trace_array_cpu	*data[NR_CPUS];
 };
 
+#define FTRACE_CMP_TYPE(var, type) \
+	__builtin_types_compatible_p(typeof(var), type *)
+
+#undef IF_ASSIGN
+#define IF_ASSIGN(var, entry, etype, id)		\
+	if (FTRACE_CMP_TYPE(var, etype)) {		\
+		var = (typeof(var))(entry);		\
+		WARN_ON(id && (entry)->type != id);	\
+		break;					\
+	}
+
+/* Will cause compile errors if type is not found. */
+extern void __ftrace_bad_type(void);
+
+/*
+ * The trace_assign_type is a verifier that the entry type is
+ * the same as the type being assigned. To add new types simply
+ * add a line with the following format:
+ *
+ * IF_ASSIGN(var, ent, type, id);
+ *
+ *  Where "type" is the trace type that includes the trace_entry
+ *  as the "ent" item. And "id" is the trace identifier that is
+ *  used in the trace_type enum.
+ *
+ *  If the type can have more than one id, then use zero.
+ */
+#define trace_assign_type(var, ent)					\
+	do {								\
+		IF_ASSIGN(var, ent, struct ftrace_entry, TRACE_FN);	\
+		IF_ASSIGN(var, ent, struct ctx_switch_entry, 0);	\
+		IF_ASSIGN(var, ent, struct trace_field_cont, TRACE_CONT); \
+		IF_ASSIGN(var, ent, struct stack_entry, TRACE_STACK);	\
+		IF_ASSIGN(var, ent, struct print_entry, TRACE_PRINT);	\
+		IF_ASSIGN(var, ent, struct special_entry, 0);		\
+		IF_ASSIGN(var, ent, struct trace_mmiotrace_rw,		\
+			  TRACE_MMIO_RW);				\
+		IF_ASSIGN(var, ent, struct trace_mmiotrace_map,		\
+			  TRACE_MMIO_MAP);				\
+		IF_ASSIGN(var, ent, struct trace_boot, TRACE_BOOT);	\
+		__ftrace_bad_type();					\
+	} while (0)
 
 /* Return values for print_line callback */
 enum print_line_t {
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 1a266aa08e1..0e819f47bb7 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -178,15 +178,17 @@ print_out:
 static enum print_line_t mmio_print_rw(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
-	struct trace_mmiotrace_rw *field =
-		(struct trace_mmiotrace_rw *)entry;
-	struct mmiotrace_rw *rw	= &field->rw;
+	struct trace_mmiotrace_rw *field;
+	struct mmiotrace_rw *rw;
 	struct trace_seq *s	= &iter->seq;
 	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret = 1;
 
+	trace_assign_type(field, entry);
+	rw = &field->rw;
+
 	switch (rw->opcode) {
 	case MMIO_READ:
 		ret = trace_seq_printf(s,
@@ -222,13 +224,17 @@ static enum print_line_t mmio_print_rw(struct trace_iterator *iter)
 static enum print_line_t mmio_print_map(struct trace_iterator *iter)
 {
 	struct trace_entry *entry = iter->ent;
-	struct mmiotrace_map *m	= (struct mmiotrace_map *)entry;
+	struct trace_mmiotrace_map *field;
+	struct mmiotrace_map *m;
 	struct trace_seq *s	= &iter->seq;
 	unsigned long long t	= ns2usecs(iter->ts);
 	unsigned long usec_rem	= do_div(t, 1000000ULL);
 	unsigned secs		= (unsigned long)t;
 	int ret;
 
+	trace_assign_type(field, entry);
+	m = &field->map;
+
 	switch (m->opcode) {
 	case MMIO_PROBE:
 		ret = trace_seq_printf(s,
-- 
GitLab


From e4c2ce82ca2710e17cb4df8eb2b249fa2eb5af30 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 1 Oct 2008 11:14:54 -0400
Subject: [PATCH 0535/2224] ring_buffer: allocate buffer page pointer

The current method of overlaying the page frame as the buffer page pointer
can be very dangerous and limits our ability to do other things with
a page from the buffer, like send it off to disk.

This patch allocates the buffer_page instead of overlaying the page's
page frame. The use of the buffer_page has hardly changed due to this.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 54 ++++++++++++++++++++++----------------
 1 file changed, 32 insertions(+), 22 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 9631abf2ae2..98145718988 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -115,16 +115,10 @@ void *ring_buffer_event_data(struct ring_buffer_event *event)
  * Thanks to Peter Zijlstra for suggesting this idea.
  */
 struct buffer_page {
-	union {
-		struct {
-			unsigned long	 flags;		/* mandatory */
-			atomic_t	 _count;	/* mandatory */
-			u64		 time_stamp;	/* page time stamp */
-			unsigned	 size;		/* size of page data */
-			struct list_head list;		/* list of free pages */
-		};
-		struct page page;
-	};
+	u64		 time_stamp;	/* page time stamp */
+	unsigned	 size;		/* size of page data */
+	struct list_head list;		/* list of free pages */
+	void *page;			/* Actual data page */
 };
 
 /*
@@ -133,9 +127,9 @@ struct buffer_page {
  */
 static inline void free_buffer_page(struct buffer_page *bpage)
 {
-	reset_page_mapcount(&bpage->page);
-	bpage->page.mapping = NULL;
-	__free_page(&bpage->page);
+	if (bpage->page)
+		__free_page(bpage->page);
+	kfree(bpage);
 }
 
 /*
@@ -237,11 +231,16 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
 	unsigned i;
 
 	for (i = 0; i < nr_pages; i++) {
+		page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()),
+				    GFP_KERNEL, cpu_to_node(cpu));
+		if (!page)
+			goto free_pages;
+		list_add(&page->list, &pages);
+
 		addr = __get_free_page(GFP_KERNEL);
 		if (!addr)
 			goto free_pages;
-		page = (struct buffer_page *)virt_to_page(addr);
-		list_add(&page->list, &pages);
+		page->page = (void *)addr;
 	}
 
 	list_splice(&pages, head);
@@ -262,6 +261,7 @@ static struct ring_buffer_per_cpu *
 rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
+	struct buffer_page *page;
 	unsigned long addr;
 	int ret;
 
@@ -275,10 +275,17 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
 	spin_lock_init(&cpu_buffer->lock);
 	INIT_LIST_HEAD(&cpu_buffer->pages);
 
+	page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()),
+			    GFP_KERNEL, cpu_to_node(cpu));
+	if (!page)
+		goto fail_free_buffer;
+
+	cpu_buffer->reader_page = page;
 	addr = __get_free_page(GFP_KERNEL);
 	if (!addr)
-		goto fail_free_buffer;
-	cpu_buffer->reader_page = (struct buffer_page *)virt_to_page(addr);
+		goto fail_free_reader;
+	page->page = (void *)addr;
+
 	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
 	cpu_buffer->reader_page->size = 0;
 
@@ -523,11 +530,16 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size)
 
 	for_each_buffer_cpu(buffer, cpu) {
 		for (i = 0; i < new_pages; i++) {
+			page = kzalloc_node(ALIGN(sizeof(*page),
+						  cache_line_size()),
+					    GFP_KERNEL, cpu_to_node(cpu));
+			if (!page)
+				goto free_pages;
+			list_add(&page->list, &pages);
 			addr = __get_free_page(GFP_KERNEL);
 			if (!addr)
 				goto free_pages;
-			page = (struct buffer_page *)virt_to_page(addr);
-			list_add(&page->list, &pages);
+			page->page = (void *)addr;
 		}
 	}
 
@@ -567,9 +579,7 @@ static inline int rb_null_event(struct ring_buffer_event *event)
 
 static inline void *rb_page_index(struct buffer_page *page, unsigned index)
 {
-	void *addr = page_address(&page->page);
-
-	return addr + index;
+	return page->page + index;
 }
 
 static inline struct ring_buffer_event *
-- 
GitLab


From 38697053fa006411224a1790e2adb8216440ab0f Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 1 Oct 2008 13:14:09 -0400
Subject: [PATCH 0536/2224] ftrace: preempt disable over interrupt disable

With the new ring buffer infrastructure in ftrace, I'm trying to make
ftrace a little more light weight.

This patch converts a lot of the local_irq_save/restore into
preempt_disable/enable.  The original preempt count in a lot of cases
has to be sent in as a parameter so that it can be recorded correctly.
Some places were recording it incorrectly before anyway.

This is also laying the ground work to make ftrace a little bit
more reentrant, and remove all locking. The function tracers must
still protect from reentrancy.

Note: All the function tracers must be careful when using preempt_disable.
  It must do the following:

  resched = need_resched();
  preempt_disable_notrace();
  [...]
  if (resched)
	preempt_enable_no_resched_notrace();
  else
	preempt_enable_notrace();

The reason is that if this function traces schedule() itself, the
preempt_enable_notrace() will cause a schedule, which will lead
us into a recursive failure.

If we needed to reschedule before calling preempt_disable, we
should have already scheduled. Since we did not, this is most
likely that we should not and are probably inside a schedule
function.

If resched was not set, we still need to catch the need resched
flag being set when preemption was off and the if case at the
end will catch that for us.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c              | 123 +++++++++++++++---------------
 kernel/trace/trace.h              |  13 ++--
 kernel/trace/trace_boot.c         |   2 +-
 kernel/trace/trace_irqsoff.c      |  13 ++--
 kernel/trace/trace_mmiotrace.c    |   4 +-
 kernel/trace/trace_sched_switch.c |   9 ++-
 kernel/trace/trace_sched_wakeup.c |  13 +++-
 7 files changed, 97 insertions(+), 80 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 948f7d821c6..1cd2e8143bb 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -652,12 +652,10 @@ void tracing_record_cmdline(struct task_struct *tsk)
 }
 
 void
-tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
+tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
+			     int pc)
 {
 	struct task_struct *tsk = current;
-	unsigned long pc;
-
-	pc = preempt_count();
 
 	entry->preempt_count		= pc & 0xff;
 	entry->pid			= (tsk) ? tsk->pid : 0;
@@ -670,7 +668,8 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
 
 void
 trace_function(struct trace_array *tr, struct trace_array_cpu *data,
-	       unsigned long ip, unsigned long parent_ip, unsigned long flags)
+	       unsigned long ip, unsigned long parent_ip, unsigned long flags,
+	       int pc)
 {
 	struct ring_buffer_event *event;
 	struct ftrace_entry *entry;
@@ -685,7 +684,7 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, flags);
+	tracing_generic_entry_update(&entry->ent, flags, pc);
 	entry->ent.type			= TRACE_FN;
 	entry->ip			= ip;
 	entry->parent_ip		= parent_ip;
@@ -694,16 +693,17 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,
 
 void
 ftrace(struct trace_array *tr, struct trace_array_cpu *data,
-       unsigned long ip, unsigned long parent_ip, unsigned long flags)
+       unsigned long ip, unsigned long parent_ip, unsigned long flags,
+       int pc)
 {
 	if (likely(!atomic_read(&data->disabled)))
-		trace_function(tr, data, ip, parent_ip, flags);
+		trace_function(tr, data, ip, parent_ip, flags, pc);
 }
 
-void __trace_stack(struct trace_array *tr,
-		   struct trace_array_cpu *data,
-		   unsigned long flags,
-		   int skip)
+static void ftrace_trace_stack(struct trace_array *tr,
+			       struct trace_array_cpu *data,
+			       unsigned long flags,
+			       int skip, int pc)
 {
 	struct ring_buffer_event *event;
 	struct stack_entry *entry;
@@ -718,7 +718,7 @@ void __trace_stack(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, flags);
+	tracing_generic_entry_update(&entry->ent, flags, pc);
 	entry->ent.type		= TRACE_STACK;
 
 	memset(&entry->caller, 0, sizeof(entry->caller));
@@ -732,9 +732,18 @@ void __trace_stack(struct trace_array *tr,
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 }
 
-void
-__trace_special(void *__tr, void *__data,
-		unsigned long arg1, unsigned long arg2, unsigned long arg3)
+void __trace_stack(struct trace_array *tr,
+		   struct trace_array_cpu *data,
+		   unsigned long flags,
+		   int skip)
+{
+	ftrace_trace_stack(tr, data, flags, skip, preempt_count());
+}
+
+static void
+ftrace_trace_special(void *__tr, void *__data,
+		     unsigned long arg1, unsigned long arg2, unsigned long arg3,
+		     int pc)
 {
 	struct ring_buffer_event *event;
 	struct trace_array_cpu *data = __data;
@@ -747,23 +756,30 @@ __trace_special(void *__tr, void *__data,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, 0);
+	tracing_generic_entry_update(&entry->ent, 0, pc);
 	entry->ent.type			= TRACE_SPECIAL;
 	entry->arg1			= arg1;
 	entry->arg2			= arg2;
 	entry->arg3			= arg3;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
-	__trace_stack(tr, data, irq_flags, 4);
+	ftrace_trace_stack(tr, data, irq_flags, 4, pc);
 
 	trace_wake_up();
 }
 
+void
+__trace_special(void *__tr, void *__data,
+		unsigned long arg1, unsigned long arg2, unsigned long arg3)
+{
+	ftrace_trace_special(__tr, __data, arg1, arg2, arg3, preempt_count());
+}
+
 void
 tracing_sched_switch_trace(struct trace_array *tr,
 			   struct trace_array_cpu *data,
 			   struct task_struct *prev,
 			   struct task_struct *next,
-			   unsigned long flags)
+			   unsigned long flags, int pc)
 {
 	struct ring_buffer_event *event;
 	struct ctx_switch_entry *entry;
@@ -774,7 +790,7 @@ tracing_sched_switch_trace(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, flags);
+	tracing_generic_entry_update(&entry->ent, flags, pc);
 	entry->ent.type			= TRACE_CTX;
 	entry->prev_pid			= prev->pid;
 	entry->prev_prio		= prev->prio;
@@ -784,7 +800,7 @@ tracing_sched_switch_trace(struct trace_array *tr,
 	entry->next_state		= next->state;
 	entry->next_cpu	= task_cpu(next);
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
-	__trace_stack(tr, data, flags, 5);
+	ftrace_trace_stack(tr, data, flags, 5, pc);
 }
 
 void
@@ -792,7 +808,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 			   struct trace_array_cpu *data,
 			   struct task_struct *wakee,
 			   struct task_struct *curr,
-			   unsigned long flags)
+			   unsigned long flags, int pc)
 {
 	struct ring_buffer_event *event;
 	struct ctx_switch_entry *entry;
@@ -803,7 +819,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, flags);
+	tracing_generic_entry_update(&entry->ent, flags, pc);
 	entry->ent.type			= TRACE_WAKE;
 	entry->prev_pid			= curr->pid;
 	entry->prev_prio		= curr->prio;
@@ -813,7 +829,7 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
 	entry->next_state		= wakee->state;
 	entry->next_cpu			= task_cpu(wakee);
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
-	__trace_stack(tr, data, flags, 6);
+	ftrace_trace_stack(tr, data, flags, 6, pc);
 
 	trace_wake_up();
 }
@@ -823,23 +839,24 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
 {
 	struct trace_array *tr = &global_trace;
 	struct trace_array_cpu *data;
-	unsigned long flags;
 	long disabled;
 	int cpu;
+	int pc;
 
 	if (tracing_disabled || !tr->ctrl)
 		return;
 
-	local_irq_save(flags);
+	pc = preempt_count();
+	preempt_disable_notrace();
 	cpu = raw_smp_processor_id();
 	data = tr->data[cpu];
 	disabled = atomic_inc_return(&data->disabled);
 
 	if (likely(disabled == 1))
-		__trace_special(tr, data, arg1, arg2, arg3);
+		ftrace_trace_special(tr, data, arg1, arg2, arg3, pc);
 
 	atomic_dec(&data->disabled);
-	local_irq_restore(flags);
+	preempt_enable_notrace();
 }
 
 #ifdef CONFIG_FTRACE
@@ -850,7 +867,8 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
 	struct trace_array_cpu *data;
 	unsigned long flags;
 	long disabled;
-	int cpu;
+	int cpu, resched;
+	int pc;
 
 	if (unlikely(!ftrace_function_enabled))
 		return;
@@ -858,16 +876,22 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
 	if (skip_trace(ip))
 		return;
 
-	local_irq_save(flags);
+	pc = preempt_count();
+	resched = need_resched();
+	preempt_disable_notrace();
+	local_save_flags(flags);
 	cpu = raw_smp_processor_id();
 	data = tr->data[cpu];
 	disabled = atomic_inc_return(&data->disabled);
 
 	if (likely(disabled == 1))
-		trace_function(tr, data, ip, parent_ip, flags);
+		trace_function(tr, data, ip, parent_ip, flags, pc);
 
 	atomic_dec(&data->disabled);
-	local_irq_restore(flags);
+	if (resched)
+		preempt_enable_no_resched_notrace();
+	else
+		preempt_enable_notrace();
 }
 
 static struct ftrace_ops trace_ops __read_mostly =
@@ -2508,9 +2532,6 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
 		  size_t cnt, loff_t *ppos)
 {
 	struct trace_iterator *iter = filp->private_data;
-#ifdef CONFIG_FTRACE
-	int ftrace_save;
-#endif
 	ssize_t sret;
 
 	/* return any leftover data */
@@ -2593,20 +2614,6 @@ waitagain:
 	       offsetof(struct trace_iterator, seq));
 	iter->pos = -1;
 
-	/*
-	 * We need to stop all tracing on all CPUS to read the
-	 * the next buffer. This is a bit expensive, but is
-	 * not done often. We fill all what we can read,
-	 * and then release the locks again.
-	 */
-
-	local_irq_disable();
-#ifdef CONFIG_FTRACE
-	ftrace_save = ftrace_enabled;
-	ftrace_enabled = 0;
-#endif
-	smp_wmb();
-
 	while (find_next_entry_inc(iter) != NULL) {
 		enum print_line_t ret;
 		int len = iter->seq.len;
@@ -2624,11 +2631,6 @@ waitagain:
 			break;
 	}
 
-#ifdef CONFIG_FTRACE
-	ftrace_enabled = ftrace_save;
-#endif
-	local_irq_enable();
-
 	/* Now copy what we have to the user */
 	sret = trace_seq_to_user(&iter->seq, ubuf, cnt);
 	if (iter->seq.readpos >= iter->seq.len)
@@ -2960,12 +2962,13 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	struct print_entry *entry;
 	unsigned long flags, irq_flags;
 	long disabled;
-	int cpu, len = 0, size;
+	int cpu, len = 0, size, pc;
 
 	if (!tr->ctrl || tracing_disabled)
 		return 0;
 
-	local_irq_save(flags);
+	pc = preempt_count();
+	preempt_disable_notrace();
 	cpu = raw_smp_processor_id();
 	data = tr->data[cpu];
 	disabled = atomic_inc_return(&data->disabled);
@@ -2973,7 +2976,7 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	if (unlikely(disabled != 1))
 		goto out;
 
-	spin_lock(&trace_buf_lock);
+	spin_lock_irqsave(&trace_buf_lock, flags);
 	len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, args);
 
 	len = min(len, TRACE_BUF_SIZE-1);
@@ -2984,7 +2987,7 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	if (!event)
 		goto out_unlock;
 	entry = ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, flags);
+	tracing_generic_entry_update(&entry->ent, flags, pc);
 	entry->ent.type			= TRACE_PRINT;
 	entry->ip			= ip;
 
@@ -2993,11 +2996,11 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
 
  out_unlock:
-	spin_unlock(&trace_buf_lock);
+	spin_unlock_irqrestore(&trace_buf_lock, flags);
 
  out:
 	atomic_dec(&data->disabled);
-	local_irq_restore(flags);
+	preempt_enable_notrace();
 
 	return len;
 }
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index f02042d0d82..f1f99572cde 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -288,35 +288,36 @@ void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
 struct trace_entry *tracing_get_trace_entry(struct trace_array *tr,
 						struct trace_array_cpu *data);
 void tracing_generic_entry_update(struct trace_entry *entry,
-						unsigned long flags);
+				  unsigned long flags,
+				  int pc);
 
 void ftrace(struct trace_array *tr,
 			    struct trace_array_cpu *data,
 			    unsigned long ip,
 			    unsigned long parent_ip,
-			    unsigned long flags);
+			    unsigned long flags, int pc);
 void tracing_sched_switch_trace(struct trace_array *tr,
 				struct trace_array_cpu *data,
 				struct task_struct *prev,
 				struct task_struct *next,
-				unsigned long flags);
+				unsigned long flags, int pc);
 void tracing_record_cmdline(struct task_struct *tsk);
 
 void tracing_sched_wakeup_trace(struct trace_array *tr,
 				struct trace_array_cpu *data,
 				struct task_struct *wakee,
 				struct task_struct *cur,
-				unsigned long flags);
+				unsigned long flags, int pc);
 void trace_special(struct trace_array *tr,
 		   struct trace_array_cpu *data,
 		   unsigned long arg1,
 		   unsigned long arg2,
-		   unsigned long arg3);
+		   unsigned long arg3, int pc);
 void trace_function(struct trace_array *tr,
 		    struct trace_array_cpu *data,
 		    unsigned long ip,
 		    unsigned long parent_ip,
-		    unsigned long flags);
+		    unsigned long flags, int pc);
 
 void tracing_start_cmdline_record(void);
 void tracing_stop_cmdline_record(void);
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 43bde20b95b..f2dac6f1cf0 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -95,7 +95,7 @@ void trace_boot(struct boot_trace *it)
 	if (!event)
 		goto out;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, 0);
+	tracing_generic_entry_update(&entry->ent, 0, 0);
 	entry->ent.type = TRACE_BOOT;
 	entry->initcall = *it;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index 37ad49407f2..f925dbbff2a 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -95,7 +95,7 @@ irqsoff_tracer_call(unsigned long ip, unsigned long parent_ip)
 	disabled = atomic_inc_return(&data->disabled);
 
 	if (likely(disabled == 1))
-		trace_function(tr, data, ip, parent_ip, flags);
+		trace_function(tr, data, ip, parent_ip, flags, preempt_count());
 
 	atomic_dec(&data->disabled);
 }
@@ -130,6 +130,7 @@ check_critical_timing(struct trace_array *tr,
 	unsigned long latency, t0, t1;
 	cycle_t T0, T1, delta;
 	unsigned long flags;
+	int pc;
 
 	/*
 	 * usecs conversion is slow so we try to delay the conversion
@@ -144,13 +145,15 @@ check_critical_timing(struct trace_array *tr,
 	if (!report_latency(delta))
 		goto out;
 
+	pc = preempt_count();
+
 	spin_lock_irqsave(&max_trace_lock, flags);
 
 	/* check if we are still the max latency */
 	if (!report_latency(delta))
 		goto out_unlock;
 
-	trace_function(tr, data, CALLER_ADDR0, parent_ip, flags);
+	trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc);
 
 	latency = nsecs_to_usecs(delta);
 
@@ -174,7 +177,7 @@ out:
 	data->critical_sequence = max_sequence;
 	data->preempt_timestamp = ftrace_now(cpu);
 	tracing_reset(tr, cpu);
-	trace_function(tr, data, CALLER_ADDR0, parent_ip, flags);
+	trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc);
 }
 
 static inline void
@@ -207,7 +210,7 @@ start_critical_timing(unsigned long ip, unsigned long parent_ip)
 
 	local_save_flags(flags);
 
-	trace_function(tr, data, ip, parent_ip, flags);
+	trace_function(tr, data, ip, parent_ip, flags, preempt_count());
 
 	per_cpu(tracing_cpu, cpu) = 1;
 
@@ -241,7 +244,7 @@ stop_critical_timing(unsigned long ip, unsigned long parent_ip)
 	atomic_inc(&data->disabled);
 
 	local_save_flags(flags);
-	trace_function(tr, data, ip, parent_ip, flags);
+	trace_function(tr, data, ip, parent_ip, flags, preempt_count());
 	check_critical_timing(tr, data, parent_ip ? : ip, cpu);
 	data->critical_start = 0;
 	atomic_dec(&data->disabled);
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 0e819f47bb7..f28484618ff 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -324,7 +324,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, 0);
+	tracing_generic_entry_update(&entry->ent, 0, preempt_count());
 	entry->ent.type			= TRACE_MMIO_RW;
 	entry->rw			= *rw;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
@@ -352,7 +352,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr,
 	if (!event)
 		return;
 	entry	= ring_buffer_event_data(event);
-	tracing_generic_entry_update(&entry->ent, 0);
+	tracing_generic_entry_update(&entry->ent, 0, preempt_count());
 	entry->ent.type			= TRACE_MMIO_MAP;
 	entry->map			= *map;
 	ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index e0b06db0f7a..c7fa08a5b7f 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -26,6 +26,7 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
 	unsigned long flags;
 	long disabled;
 	int cpu;
+	int pc;
 
 	if (!atomic_read(&sched_ref))
 		return;
@@ -36,13 +37,14 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
 	if (!tracer_enabled)
 		return;
 
+	pc = preempt_count();
 	local_irq_save(flags);
 	cpu = raw_smp_processor_id();
 	data = ctx_trace->data[cpu];
 	disabled = atomic_inc_return(&data->disabled);
 
 	if (likely(disabled == 1))
-		tracing_sched_switch_trace(ctx_trace, data, prev, next, flags);
+		tracing_sched_switch_trace(ctx_trace, data, prev, next, flags, pc);
 
 	atomic_dec(&data->disabled);
 	local_irq_restore(flags);
@@ -54,11 +56,12 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
 	struct trace_array_cpu *data;
 	unsigned long flags;
 	long disabled;
-	int cpu;
+	int cpu, pc;
 
 	if (!likely(tracer_enabled))
 		return;
 
+	pc = preempt_count();
 	tracing_record_cmdline(current);
 
 	local_irq_save(flags);
@@ -68,7 +71,7 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
 
 	if (likely(disabled == 1))
 		tracing_sched_wakeup_trace(ctx_trace, data, wakee, current,
-			flags);
+					   flags, pc);
 
 	atomic_dec(&data->disabled);
 	local_irq_restore(flags);
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 01e75e0639b..fe4a252c236 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -44,10 +44,12 @@ wakeup_tracer_call(unsigned long ip, unsigned long parent_ip)
 	long disabled;
 	int resched;
 	int cpu;
+	int pc;
 
 	if (likely(!wakeup_task))
 		return;
 
+	pc = preempt_count();
 	resched = need_resched();
 	preempt_disable_notrace();
 
@@ -70,7 +72,7 @@ wakeup_tracer_call(unsigned long ip, unsigned long parent_ip)
 	if (task_cpu(wakeup_task) != cpu)
 		goto unlock;
 
-	trace_function(tr, data, ip, parent_ip, flags);
+	trace_function(tr, data, ip, parent_ip, flags, pc);
 
  unlock:
 	__raw_spin_unlock(&wakeup_lock);
@@ -121,6 +123,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
 	unsigned long flags;
 	long disabled;
 	int cpu;
+	int pc;
 
 	tracing_record_cmdline(prev);
 
@@ -139,6 +142,8 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
 	if (next != wakeup_task)
 		return;
 
+	pc = preempt_count();
+
 	/* The task we are waiting for is waking up */
 	data = wakeup_trace->data[wakeup_cpu];
 
@@ -155,7 +160,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
 	if (unlikely(!tracer_enabled || next != wakeup_task))
 		goto out_unlock;
 
-	trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags);
+	trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
 
 	/*
 	 * usecs conversion is slow so we try to delay the conversion
@@ -220,6 +225,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p)
 	int cpu = smp_processor_id();
 	unsigned long flags;
 	long disabled;
+	int pc;
 
 	if (likely(!tracer_enabled))
 		return;
@@ -232,6 +238,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p)
 			p->prio >= current->prio)
 		return;
 
+	pc = preempt_count();
 	disabled = atomic_inc_return(&wakeup_trace->data[cpu]->disabled);
 	if (unlikely(disabled != 1))
 		goto out;
@@ -256,7 +263,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p)
 
 	wakeup_trace->data[wakeup_cpu]->preempt_timestamp = ftrace_now(cpu);
 	trace_function(wakeup_trace, wakeup_trace->data[wakeup_cpu],
-		       CALLER_ADDR1, CALLER_ADDR2, flags);
+		       CALLER_ADDR1, CALLER_ADDR2, flags, pc);
 
 out_locked:
 	__raw_spin_unlock(&wakeup_lock);
-- 
GitLab


From 77ae11f63befb7fc41ec256f1fcb72ca7e4160d5 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 2 Oct 2008 11:04:14 +0200
Subject: [PATCH 0537/2224] ring-buffer: fix build error
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fix:

 kernel/trace/ring_buffer.c: In function ‘rb_allocate_pages’:
 kernel/trace/ring_buffer.c:235: error: ‘cpu’ undeclared (first use in this function)
 kernel/trace/ring_buffer.c:235: error: (Each undeclared identifier is reported only once
 kernel/trace/ring_buffer.c:235: error: for each function it appears in.)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 98145718988..54a30986493 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -232,7 +232,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
 
 	for (i = 0; i < nr_pages; i++) {
 		page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()),
-				    GFP_KERNEL, cpu_to_node(cpu));
+				    GFP_KERNEL, cpu_to_node(i));
 		if (!page)
 			goto free_pages;
 		list_add(&page->list, &pages);
-- 
GitLab


From cb5ab74204a6e2579d1119bf1348eb806526b12b Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Thu, 2 Oct 2008 12:59:20 +0200
Subject: [PATCH 0538/2224] tracing/fastboot: change the printing of boot
 tracer according to bootgraph.pl

Change the boot tracer printing to make it parsable for
the scripts/bootgraph.pl script.

We have now to output two lines for each initcall, according to the
printk in do_one_initcall() in init/main.c
We need now the call's time and the return's time.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h    |  2 ++
 init/main.c               | 20 +++++++++-----------
 kernel/trace/trace_boot.c | 22 +++++++++++++++-------
 3 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 91954eb6460..4455490d91b 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -216,6 +216,8 @@ struct boot_trace {
 	initcall_t		func;
 	int			result;
 	unsigned long long	duration;
+	ktime_t			calltime;
+	ktime_t			rettime;
 };
 
 #ifdef CONFIG_BOOT_TRACER
diff --git a/init/main.c b/init/main.c
index 1e39a1eab19..61eb6615939 100644
--- a/init/main.c
+++ b/init/main.c
@@ -706,34 +706,32 @@ __setup("initcall_debug", initcall_debug_setup);
 int do_one_initcall(initcall_t fn)
 {
 	int count = preempt_count();
-	ktime_t t0, t1, delta;
+	ktime_t delta;
 	char msgbuf[64];
-	int result;
 	struct boot_trace it;
 
 	if (initcall_debug) {
 		it.caller = task_pid_nr(current);
 		it.func = fn;
 		printk("calling  %pF @ %i\n", fn, it.caller);
-		t0 = ktime_get();
+		it.calltime = ktime_get();
 	}
 
-	result = fn();
+	it.result = fn();
 
 	if (initcall_debug) {
-		t1 = ktime_get();
-		delta = ktime_sub(t1, t0);
-		it.result = result;
+		it.rettime = ktime_get();
+		delta = ktime_sub(it.rettime, it.calltime);
 		it.duration = (unsigned long long) delta.tv64 >> 20;
 		printk("initcall %pF returned %d after %Ld msecs\n", fn,
-			result, it.duration);
+			it.result, it.duration);
 		trace_boot(&it);
 	}
 
 	msgbuf[0] = 0;
 
-	if (result && result != -ENODEV && initcall_debug)
-		sprintf(msgbuf, "error code %d ", result);
+	if (it.result && it.result != -ENODEV && initcall_debug)
+		sprintf(msgbuf, "error code %d ", it.result);
 
 	if (preempt_count() != count) {
 		strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
@@ -747,7 +745,7 @@ int do_one_initcall(initcall_t fn)
 		printk("initcall %pF returned with %s\n", fn, msgbuf);
 	}
 
-	return result;
+	return it.result;
 }
 
 
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index f2dac6f1cf0..7c15f3e68ba 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -52,16 +52,24 @@ static enum print_line_t initcall_print_line(struct trace_iterator *iter)
 	struct trace_boot *field = (struct trace_boot *)entry;
 	struct boot_trace *it = &field->initcall;
 	struct trace_seq *s = &iter->seq;
+	struct timespec calltime = ktime_to_timespec(it->calltime);
+	struct timespec rettime = ktime_to_timespec(it->rettime);
 
 	if (entry->type == TRACE_BOOT) {
-		ret = trace_seq_printf(s, "%pF called from %i "
-				       "returned %d after %lld msecs\n",
-				       it->func, it->caller, it->result,
-				       it->duration);
-		if (ret)
-			return TRACE_TYPE_HANDLED;
-		else
+		ret = trace_seq_printf(s, "[%5ld.%06ld] calling  %pF @ %i\n",
+					  calltime.tv_sec,
+					  calltime.tv_nsec,
+					  it->func, it->caller);
+		if (!ret)
 			return TRACE_TYPE_PARTIAL_LINE;
+		ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %pF "
+					  "returned %d after %lld msecs\n",
+					  rettime.tv_sec,
+					  rettime.tv_nsec,
+					  it->func, it->result, it->duration);
+		if (!ret)
+			return TRACE_TYPE_PARTIAL_LINE;
+		return TRACE_TYPE_HANDLED;
 	}
 	return TRACE_TYPE_UNHANDLED;
 }
-- 
GitLab


From 5601020feb0c3010e9e3e0131e9697ac6a06777b Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Thu, 2 Oct 2008 13:26:05 +0200
Subject: [PATCH 0539/2224] tracing/fastboot: get the initcall name before it
 disappears

After some initcall traces, some initcall names may be inconsistent.
That's because these functions will disappear from the .init section
and also their name from the symbols table.

So we have to copy the name of the function in a buffer large enough
during the trace appending. It is not costly for the ring_buffer because
the number of initcall entries is commonly not really large.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h    |  7 ++++---
 init/main.c               |  3 +--
 kernel/trace/trace_boot.c | 14 ++++++++++----
 3 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 4455490d91b..e672e51c40a 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -7,6 +7,7 @@
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/types.h>
+#include <linux/kallsyms.h>
 
 extern int ftrace_enabled;
 extern int
@@ -213,7 +214,7 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { }
 
 struct boot_trace {
 	pid_t			caller;
-	initcall_t		func;
+	char 			func[KSYM_NAME_LEN];
 	int			result;
 	unsigned long long	duration;
 	ktime_t			calltime;
@@ -221,10 +222,10 @@ struct boot_trace {
 };
 
 #ifdef CONFIG_BOOT_TRACER
-extern void trace_boot(struct boot_trace *it);
+extern void trace_boot(struct boot_trace *it, initcall_t fn);
 extern void start_boot_trace(void);
 #else
-static inline void trace_boot(struct boot_trace *it) { }
+static inline void trace_boot(struct boot_trace *it, initcall_t fn) { }
 static inline void start_boot_trace(void) { }
 #endif
 
diff --git a/init/main.c b/init/main.c
index 61eb6615939..8e96a0ef17f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -712,7 +712,6 @@ int do_one_initcall(initcall_t fn)
 
 	if (initcall_debug) {
 		it.caller = task_pid_nr(current);
-		it.func = fn;
 		printk("calling  %pF @ %i\n", fn, it.caller);
 		it.calltime = ktime_get();
 	}
@@ -725,7 +724,7 @@ int do_one_initcall(initcall_t fn)
 		it.duration = (unsigned long long) delta.tv64 >> 20;
 		printk("initcall %pF returned %d after %Ld msecs\n", fn,
 			it.result, it.duration);
-		trace_boot(&it);
+		trace_boot(&it, fn);
 	}
 
 	msgbuf[0] = 0;
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 7c15f3e68ba..b9dc2c0093a 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -8,6 +8,7 @@
 #include <linux/init.h>
 #include <linux/debugfs.h>
 #include <linux/ftrace.h>
+#include <linux/kallsyms.h>
 
 #include "trace.h"
 
@@ -56,17 +57,19 @@ static enum print_line_t initcall_print_line(struct trace_iterator *iter)
 	struct timespec rettime = ktime_to_timespec(it->rettime);
 
 	if (entry->type == TRACE_BOOT) {
-		ret = trace_seq_printf(s, "[%5ld.%06ld] calling  %pF @ %i\n",
+		ret = trace_seq_printf(s, "[%5ld.%06ld] calling  %s @ %i\n",
 					  calltime.tv_sec,
 					  calltime.tv_nsec,
 					  it->func, it->caller);
 		if (!ret)
 			return TRACE_TYPE_PARTIAL_LINE;
-		ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %pF "
+
+		ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %s "
 					  "returned %d after %lld msecs\n",
 					  rettime.tv_sec,
 					  rettime.tv_nsec,
 					  it->func, it->result, it->duration);
+
 		if (!ret)
 			return TRACE_TYPE_PARTIAL_LINE;
 		return TRACE_TYPE_HANDLED;
@@ -83,8 +86,7 @@ struct tracer boot_tracer __read_mostly =
 	.print_line	= initcall_print_line,
 };
 
-
-void trace_boot(struct boot_trace *it)
+void trace_boot(struct boot_trace *it, initcall_t fn)
 {
 	struct ring_buffer_event *event;
 	struct trace_boot *entry;
@@ -95,6 +97,10 @@ void trace_boot(struct boot_trace *it)
 	if (!trace_boot_enabled)
 		return;
 
+	/* Get its name now since this function could
+	 * disappear because it is in the .init section.
+	 */
+	sprint_symbol(it->func, (unsigned long)fn);
 	preempt_disable();
 	data = tr->data[smp_processor_id()];
 
-- 
GitLab


From 3e1932ad59726d794a865cc159c0593d54bf0cb6 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 2 Oct 2008 17:45:47 +0200
Subject: [PATCH 0540/2224] tracing/fastboot: build fix

fix:

 In file included from kernel/sysctl.c:52:
 include/linux/ftrace.h:217: error: 'KSYM_NAME_LEN' undeclared here (not in a function)

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index e672e51c40a..deded114dff 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -1,14 +1,14 @@
 #ifndef _LINUX_FTRACE_H
 #define _LINUX_FTRACE_H
 
-#ifdef CONFIG_FTRACE
-
 #include <linux/linkage.h>
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/kallsyms.h>
 
+#ifdef CONFIG_FTRACE
+
 extern int ftrace_enabled;
 extern int
 ftrace_enable_sysctl(struct ctl_table *table, int write,
-- 
GitLab


From eb7fa935274bb233686fdf7a53f40c5d9ee76ed6 Mon Sep 17 00:00:00 2001
From: Steven Noonan <steven@uplinklabs.net>
Date: Thu, 2 Oct 2008 12:00:07 -0700
Subject: [PATCH 0541/2224] ftrace: ktime.h not included in ftrace.h

Including <linux/ktime.h> eliminates the following error:

include/linux/ftrace.h:220: error: expected specifier-qualifier-list
before 'ktime_t'

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index deded114dff..ed53265d1f6 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -3,6 +3,7 @@
 
 #include <linux/linkage.h>
 #include <linux/fs.h>
+#include <linux/ktime.h>
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/kallsyms.h>
-- 
GitLab


From aa1e0e3bcf95ce684d005bedb16e5d4559455685 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 2 Oct 2008 19:18:09 -0400
Subject: [PATCH 0542/2224] ring_buffer: map to cpu not page

My original patch had a compile bug when NUMA was configured. I
referenced cpu when it should have been cpu_buffer->cpu.

Ingo quickly fixed this bug by replacing cpu with 'i' because that
was the loop counter. Unfortunately, the 'i' was the counter of
pages, not CPUs. This caused a crash when the number of pages allocated
for the buffers exceeded the number of pages, which would usually
be the case.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 54a30986493..6b8dac02364 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -232,7 +232,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
 
 	for (i = 0; i < nr_pages; i++) {
 		page = kzalloc_node(ALIGN(sizeof(*page), cache_line_size()),
-				    GFP_KERNEL, cpu_to_node(i));
+				    GFP_KERNEL, cpu_to_node(cpu_buffer->cpu));
 		if (!page)
 			goto free_pages;
 		list_add(&page->list, &pages);
-- 
GitLab


From 6450c1d3213e27b0dcbf34cce7ad1ae74244c520 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 2 Oct 2008 19:23:04 -0400
Subject: [PATCH 0543/2224] ftrace: move pc counter in irqtrace

The assigning of the pc counter is in the wrong spot in the
check_critical_timing function. The pc variable is used in the
out jump.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_irqsoff.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index f925dbbff2a..a7db7f040ae 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -142,11 +142,11 @@ check_critical_timing(struct trace_array *tr,
 
 	local_save_flags(flags);
 
+	pc = preempt_count();
+
 	if (!report_latency(delta))
 		goto out;
 
-	pc = preempt_count();
-
 	spin_lock_irqsave(&max_trace_lock, flags);
 
 	/* check if we are still the max latency */
-- 
GitLab


From 097d036a2f25eecc42435c57e010aaf4a2eed2d9 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Fri, 3 Oct 2008 15:39:21 +0200
Subject: [PATCH 0544/2224] tracing/fastboot: only trace non-module initcalls

At this time, only built-in initcalls interest us.
We can't really produce a relevant graph if we include
the modules initcall too.

I had good results after this patch (see svg in attachment).

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h    |  2 ++
 init/main.c               |  1 +
 kernel/trace/trace_boot.c | 11 ++++++++---
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index ed53265d1f6..5812dba4ee2 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -225,9 +225,11 @@ struct boot_trace {
 #ifdef CONFIG_BOOT_TRACER
 extern void trace_boot(struct boot_trace *it, initcall_t fn);
 extern void start_boot_trace(void);
+extern void stop_boot_trace(void);
 #else
 static inline void trace_boot(struct boot_trace *it, initcall_t fn) { }
 static inline void start_boot_trace(void) { }
+static inline void stop_boot_trace(void) { }
 #endif
 
 
diff --git a/init/main.c b/init/main.c
index 8e96a0ef17f..e7939de80f3 100644
--- a/init/main.c
+++ b/init/main.c
@@ -886,6 +886,7 @@ static int __init kernel_init(void * unused)
 	 * we're essentially up and running. Get rid of the
 	 * initmem segments and start the user-mode stuff..
 	 */
+	stop_boot_trace();
 	init_post();
 	return 0;
 }
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index b9dc2c0093a..a7efe355965 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -22,11 +22,16 @@ void start_boot_trace(void)
 	trace_boot_enabled = 1;
 }
 
-void stop_boot_trace(struct trace_array *tr)
+void stop_boot_trace(void)
 {
 	trace_boot_enabled = 0;
 }
 
+void reset_boot_trace(struct trace_array *tr)
+{
+	stop_boot_trace();
+}
+
 static void boot_trace_init(struct trace_array *tr)
 {
 	int cpu;
@@ -43,7 +48,7 @@ static void boot_trace_ctrl_update(struct trace_array *tr)
 	if (tr->ctrl)
 		start_boot_trace();
 	else
-		stop_boot_trace(tr);
+		stop_boot_trace();
 }
 
 static enum print_line_t initcall_print_line(struct trace_iterator *iter)
@@ -81,7 +86,7 @@ struct tracer boot_tracer __read_mostly =
 {
 	.name		= "initcall",
 	.init		= boot_trace_init,
-	.reset		= stop_boot_trace,
+	.reset		= reset_boot_trace,
 	.ctrl_update	= boot_trace_ctrl_update,
 	.print_line	= initcall_print_line,
 };
-- 
GitLab


From 6f807acd27734197b11d42829d3cbb9c0937b572 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Sat, 4 Oct 2008 02:00:58 -0400
Subject: [PATCH 0545/2224] ring-buffer: move page indexes into page headers

Remove the global head and tail indexes and move them into the
page header. Each page will now keep track of where the last
write and read was made. We also rename the head and tail to read
and write for better clarification.

This patch is needed for future enhancements to move the ring buffer
to a lockless solution.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 75 +++++++++++++++++++++-----------------
 1 file changed, 41 insertions(+), 34 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 6b8dac02364..09d4f0d879a 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -117,6 +117,8 @@ void *ring_buffer_event_data(struct ring_buffer_event *event)
 struct buffer_page {
 	u64		 time_stamp;	/* page time stamp */
 	unsigned	 size;		/* size of page data */
+	unsigned	 write;		/* index for next write */
+	unsigned	 read;		/* index for next read */
 	struct list_head list;		/* list of free pages */
 	void *page;			/* Actual data page */
 };
@@ -153,11 +155,8 @@ struct ring_buffer_per_cpu {
 	spinlock_t			lock;
 	struct lock_class_key		lock_key;
 	struct list_head		pages;
-	unsigned long			head;	/* read from head */
-	unsigned long			tail;	/* write to tail */
-	unsigned long			reader;
-	struct buffer_page		*head_page;
-	struct buffer_page		*tail_page;
+	struct buffer_page		*head_page;	/* read from head */
+	struct buffer_page		*tail_page;	/* write to tail */
 	struct buffer_page		*reader_page;
 	unsigned long			overrun;
 	unsigned long			entries;
@@ -566,10 +565,11 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size)
 
 static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
 {
-	return (cpu_buffer->reader == cpu_buffer->reader_page->size &&
+	return cpu_buffer->reader_page->read == cpu_buffer->reader_page->size &&
 		(cpu_buffer->tail_page == cpu_buffer->reader_page ||
 		 (cpu_buffer->tail_page == cpu_buffer->head_page &&
-		  cpu_buffer->head == cpu_buffer->tail)));
+		  cpu_buffer->head_page->read ==
+		  cpu_buffer->tail_page->write));
 }
 
 static inline int rb_null_event(struct ring_buffer_event *event)
@@ -577,7 +577,7 @@ static inline int rb_null_event(struct ring_buffer_event *event)
 	return event->type == RINGBUF_TYPE_PADDING;
 }
 
-static inline void *rb_page_index(struct buffer_page *page, unsigned index)
+static inline void *__rb_page_index(struct buffer_page *page, unsigned index)
 {
 	return page->page + index;
 }
@@ -585,15 +585,21 @@ static inline void *rb_page_index(struct buffer_page *page, unsigned index)
 static inline struct ring_buffer_event *
 rb_reader_event(struct ring_buffer_per_cpu *cpu_buffer)
 {
-	return rb_page_index(cpu_buffer->reader_page,
-			     cpu_buffer->reader);
+	return __rb_page_index(cpu_buffer->reader_page,
+			       cpu_buffer->reader_page->read);
+}
+
+static inline struct ring_buffer_event *
+rb_head_event(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	return __rb_page_index(cpu_buffer->head_page,
+			       cpu_buffer->head_page->read);
 }
 
 static inline struct ring_buffer_event *
 rb_iter_head_event(struct ring_buffer_iter *iter)
 {
-	return rb_page_index(iter->head_page,
-			     iter->head);
+	return __rb_page_index(iter->head_page, iter->head);
 }
 
 /*
@@ -610,7 +616,7 @@ static void rb_update_overflow(struct ring_buffer_per_cpu *cpu_buffer)
 	for (head = 0; head < rb_head_size(cpu_buffer);
 	     head += rb_event_length(event)) {
 
-		event = rb_page_index(cpu_buffer->head_page, head);
+		event = __rb_page_index(cpu_buffer->head_page, head);
 		BUG_ON(rb_null_event(event));
 		/* Only count data entries */
 		if (event->type != RINGBUF_TYPE_DATA)
@@ -640,13 +646,13 @@ rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts)
 
 static void rb_reset_head_page(struct ring_buffer_per_cpu *cpu_buffer)
 {
-	cpu_buffer->head = 0;
+	cpu_buffer->head_page->read = 0;
 }
 
 static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 {
 	cpu_buffer->read_stamp = cpu_buffer->reader_page->time_stamp;
-	cpu_buffer->reader = 0;
+	cpu_buffer->reader_page->read = 0;
 }
 
 static inline void rb_inc_iter(struct ring_buffer_iter *iter)
@@ -743,9 +749,8 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
 	struct ring_buffer *buffer = cpu_buffer->buffer;
 	struct ring_buffer_event *event;
 
-	/* No locking needed for tail page */
 	tail_page = cpu_buffer->tail_page;
-	tail = cpu_buffer->tail;
+	tail = cpu_buffer->tail_page->write;
 
 	if (tail + length > BUF_PAGE_SIZE) {
 		struct buffer_page *next_page = tail_page;
@@ -774,7 +779,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
 		}
 
 		if (tail != BUF_PAGE_SIZE) {
-			event = rb_page_index(tail_page, tail);
+			event = __rb_page_index(tail_page, tail);
 			/* page padding */
 			event->type = RINGBUF_TYPE_PADDING;
 		}
@@ -784,14 +789,14 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
 		tail_page->size = 0;
 		tail = 0;
 		cpu_buffer->tail_page = tail_page;
-		cpu_buffer->tail = tail;
+		cpu_buffer->tail_page->write = tail;
 		rb_add_stamp(cpu_buffer, ts);
 		spin_unlock(&cpu_buffer->lock);
 	}
 
 	BUG_ON(tail + length > BUF_PAGE_SIZE);
 
-	event = rb_page_index(tail_page, tail);
+	event = __rb_page_index(tail_page, tail);
 	rb_update_event(event, type, length);
 
 	return event;
@@ -823,12 +828,12 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
 		return -1;
 
 	/* check to see if we went to the next page */
-	if (cpu_buffer->tail) {
+	if (cpu_buffer->tail_page->write) {
 		/* Still on same page, update timestamp */
 		event->time_delta = *delta & TS_MASK;
 		event->array[0] = *delta >> TS_SHIFT;
 		/* commit the time event */
-		cpu_buffer->tail +=
+		cpu_buffer->tail_page->write +=
 			rb_event_length(event);
 		cpu_buffer->write_stamp = *ts;
 		*delta = 0;
@@ -846,7 +851,7 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer,
 
 	ts = ring_buffer_time_stamp(cpu_buffer->cpu);
 
-	if (cpu_buffer->tail) {
+	if (cpu_buffer->tail_page->write) {
 		delta = ts - cpu_buffer->write_stamp;
 
 		if (test_time_stamp(delta)) {
@@ -868,7 +873,7 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer,
 		return NULL;
 
 	/* If the reserve went to the next page, our delta is zero */
-	if (!cpu_buffer->tail)
+	if (!cpu_buffer->tail_page->write)
 		delta = 0;
 
 	event->time_delta = delta;
@@ -933,8 +938,8 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer,
 static void rb_commit(struct ring_buffer_per_cpu *cpu_buffer,
 		      struct ring_buffer_event *event)
 {
-	cpu_buffer->tail += rb_event_length(event);
-	cpu_buffer->tail_page->size = cpu_buffer->tail;
+	cpu_buffer->tail_page->write += rb_event_length(event);
+	cpu_buffer->tail_page->size = cpu_buffer->tail_page->write;
 	cpu_buffer->write_stamp += event->time_delta;
 	cpu_buffer->entries++;
 }
@@ -1178,10 +1183,10 @@ void ring_buffer_iter_reset(struct ring_buffer_iter *iter)
 	/* Iterator usage is expected to have record disabled */
 	if (list_empty(&cpu_buffer->reader_page->list)) {
 		iter->head_page = cpu_buffer->head_page;
-		iter->head = cpu_buffer->head;
+		iter->head = cpu_buffer->head_page->read;
 	} else {
 		iter->head_page = cpu_buffer->reader_page;
-		iter->head = cpu_buffer->reader;
+		iter->head = cpu_buffer->reader_page->read;
 	}
 	if (iter->head)
 		iter->read_stamp = cpu_buffer->read_stamp;
@@ -1200,7 +1205,7 @@ int ring_buffer_iter_empty(struct ring_buffer_iter *iter)
 	cpu_buffer = iter->cpu_buffer;
 
 	return iter->head_page == cpu_buffer->tail_page &&
-		iter->head == cpu_buffer->tail;
+		iter->head == cpu_buffer->tail_page->write;
 }
 
 static void
@@ -1277,11 +1282,11 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 	reader = cpu_buffer->reader_page;
 
 	/* If there's more to read, return this page */
-	if (cpu_buffer->reader < reader->size)
+	if (cpu_buffer->reader_page->read < reader->size)
 		goto out;
 
 	/* Never should we have an index greater than the size */
-	WARN_ON(cpu_buffer->reader > reader->size);
+	WARN_ON(cpu_buffer->reader_page->read > reader->size);
 
 	/* check if we caught up to the tail */
 	reader = NULL;
@@ -1342,7 +1347,7 @@ static void rb_advance_reader(struct ring_buffer_per_cpu *cpu_buffer)
 	rb_update_read_stamp(cpu_buffer, event);
 
 	length = rb_event_length(event);
-	cpu_buffer->reader += length;
+	cpu_buffer->reader_page->read += length;
 }
 
 static void rb_advance_iter(struct ring_buffer_iter *iter)
@@ -1373,7 +1378,7 @@ static void rb_advance_iter(struct ring_buffer_iter *iter)
 	 * at the tail of the buffer.
 	 */
 	BUG_ON((iter->head_page == cpu_buffer->tail_page) &&
-	       (iter->head + length > cpu_buffer->tail));
+	       (iter->head + length > cpu_buffer->tail_page->write));
 
 	rb_update_iter_read_stamp(iter, event);
 
@@ -1623,7 +1628,9 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
 	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
 	cpu_buffer->reader_page->size = 0;
 
-	cpu_buffer->head = cpu_buffer->tail = cpu_buffer->reader = 0;
+	cpu_buffer->head_page->read = 0;
+	cpu_buffer->tail_page->write = 0;
+	cpu_buffer->reader_page->read = 0;
 
 	cpu_buffer->overrun = 0;
 	cpu_buffer->entries = 0;
-- 
GitLab


From bf41a158cacba6ca5fc6407a54e7ad8ce1567e2e Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Sat, 4 Oct 2008 02:00:59 -0400
Subject: [PATCH 0546/2224] ring-buffer: make reentrant

This patch replaces the local_irq_save/restore with preempt_disable/
enable. This allows for interrupts to enter while recording.
To write to the ring buffer, you must reserve data, and then
commit it. During this time, an interrupt may call a trace function
that will also record into the buffer before the commit is made.

The interrupt will reserve its entry after the first entry, even
though the first entry did not finish yet.

The time stamp delta of the interrupt entry will be zero, since
in the view of the trace, the interrupt happened during the
first field anyway.

Locking still takes place when the tail/write moves from one page
to the next. The reader always takes the locks.

A new page pointer is added, called the commit. The write/tail will
always point to the end of all entries. The commit field will
point to the last committed entry. Only this commit entry may
update the write time stamp.

The reader can only go up to the commit. It cannot go past it.

If a lot of interrupts come in during a commit that fills up the
buffer, and it happens to make it all the way around the buffer
back to the commit, then a warning is printed and new events will
be dropped.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/ring_buffer.c | 487 ++++++++++++++++++++++++++++---------
 1 file changed, 374 insertions(+), 113 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 09d4f0d879a..94af1fe56bb 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -116,8 +116,8 @@ void *ring_buffer_event_data(struct ring_buffer_event *event)
  */
 struct buffer_page {
 	u64		 time_stamp;	/* page time stamp */
-	unsigned	 size;		/* size of page data */
-	unsigned	 write;		/* index for next write */
+	local_t		 write;		/* index for next write */
+	local_t		 commit;	/* write commited index */
 	unsigned	 read;		/* index for next read */
 	struct list_head list;		/* list of free pages */
 	void *page;			/* Actual data page */
@@ -157,6 +157,7 @@ struct ring_buffer_per_cpu {
 	struct list_head		pages;
 	struct buffer_page		*head_page;	/* read from head */
 	struct buffer_page		*tail_page;	/* write to tail */
+	struct buffer_page		*commit_page;	/* commited pages */
 	struct buffer_page		*reader_page;
 	unsigned long			overrun;
 	unsigned long			entries;
@@ -185,12 +186,32 @@ struct ring_buffer_iter {
 	u64				read_stamp;
 };
 
-#define RB_WARN_ON(buffer, cond)			\
-	if (unlikely(cond)) {				\
-		atomic_inc(&buffer->record_disabled);	\
-		WARN_ON(1);				\
-		return -1;				\
-	}
+#define RB_WARN_ON(buffer, cond)				\
+	do {							\
+		if (unlikely(cond)) {				\
+			atomic_inc(&buffer->record_disabled);	\
+			WARN_ON(1);				\
+		}						\
+	} while (0)
+
+#define RB_WARN_ON_RET(buffer, cond)				\
+	do {							\
+		if (unlikely(cond)) {				\
+			atomic_inc(&buffer->record_disabled);	\
+			WARN_ON(1);				\
+			return -1;				\
+		}						\
+	} while (0)
+
+#define RB_WARN_ON_ONCE(buffer, cond)				\
+	do {							\
+		static int once;				\
+		if (unlikely(cond) && !once) {			\
+			once++;					\
+			atomic_inc(&buffer->record_disabled);	\
+			WARN_ON(1);				\
+		}						\
+	} while (0)
 
 /**
  * check_pages - integrity check of buffer pages
@@ -204,22 +225,19 @@ static int rb_check_pages(struct ring_buffer_per_cpu *cpu_buffer)
 	struct list_head *head = &cpu_buffer->pages;
 	struct buffer_page *page, *tmp;
 
-	RB_WARN_ON(cpu_buffer, head->next->prev != head);
-	RB_WARN_ON(cpu_buffer, head->prev->next != head);
+	RB_WARN_ON_RET(cpu_buffer, head->next->prev != head);
+	RB_WARN_ON_RET(cpu_buffer, head->prev->next != head);
 
 	list_for_each_entry_safe(page, tmp, head, list) {
-		RB_WARN_ON(cpu_buffer, page->list.next->prev != &page->list);
-		RB_WARN_ON(cpu_buffer, page->list.prev->next != &page->list);
+		RB_WARN_ON_RET(cpu_buffer,
+			       page->list.next->prev != &page->list);
+		RB_WARN_ON_RET(cpu_buffer,
+			       page->list.prev->next != &page->list);
 	}
 
 	return 0;
 }
 
-static unsigned rb_head_size(struct ring_buffer_per_cpu *cpu_buffer)
-{
-	return cpu_buffer->head_page->size;
-}
-
 static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
 			     unsigned nr_pages)
 {
@@ -286,7 +304,6 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
 	page->page = (void *)addr;
 
 	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
-	cpu_buffer->reader_page->size = 0;
 
 	ret = rb_allocate_pages(cpu_buffer, buffer->pages);
 	if (ret < 0)
@@ -294,8 +311,7 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int cpu)
 
 	cpu_buffer->head_page
 		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
-	cpu_buffer->tail_page
-		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
+	cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page;
 
 	return cpu_buffer;
 
@@ -563,15 +579,6 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size)
 	return -ENOMEM;
 }
 
-static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
-{
-	return cpu_buffer->reader_page->read == cpu_buffer->reader_page->size &&
-		(cpu_buffer->tail_page == cpu_buffer->reader_page ||
-		 (cpu_buffer->tail_page == cpu_buffer->head_page &&
-		  cpu_buffer->head_page->read ==
-		  cpu_buffer->tail_page->write));
-}
-
 static inline int rb_null_event(struct ring_buffer_event *event)
 {
 	return event->type == RINGBUF_TYPE_PADDING;
@@ -602,6 +609,33 @@ rb_iter_head_event(struct ring_buffer_iter *iter)
 	return __rb_page_index(iter->head_page, iter->head);
 }
 
+static inline unsigned rb_page_write(struct buffer_page *bpage)
+{
+	return local_read(&bpage->write);
+}
+
+static inline unsigned rb_page_commit(struct buffer_page *bpage)
+{
+	return local_read(&bpage->commit);
+}
+
+/* Size is determined by what has been commited */
+static inline unsigned rb_page_size(struct buffer_page *bpage)
+{
+	return rb_page_commit(bpage);
+}
+
+static inline unsigned
+rb_commit_index(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	return rb_page_commit(cpu_buffer->commit_page);
+}
+
+static inline unsigned rb_head_size(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	return rb_page_commit(cpu_buffer->head_page);
+}
+
 /*
  * When the tail hits the head and the buffer is in overwrite mode,
  * the head jumps to the next page and all content on the previous
@@ -637,16 +671,76 @@ static inline void rb_inc_page(struct ring_buffer_per_cpu *cpu_buffer,
 	*page = list_entry(p, struct buffer_page, list);
 }
 
-static inline void
-rb_add_stamp(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts)
+static inline unsigned
+rb_event_index(struct ring_buffer_event *event)
 {
-	cpu_buffer->tail_page->time_stamp = *ts;
-	cpu_buffer->write_stamp = *ts;
+	unsigned long addr = (unsigned long)event;
+
+	return (addr & ~PAGE_MASK) - (PAGE_SIZE - BUF_PAGE_SIZE);
 }
 
-static void rb_reset_head_page(struct ring_buffer_per_cpu *cpu_buffer)
+static inline int
+rb_is_commit(struct ring_buffer_per_cpu *cpu_buffer,
+	     struct ring_buffer_event *event)
 {
-	cpu_buffer->head_page->read = 0;
+	unsigned long addr = (unsigned long)event;
+	unsigned long index;
+
+	index = rb_event_index(event);
+	addr &= PAGE_MASK;
+
+	return cpu_buffer->commit_page->page == (void *)addr &&
+		rb_commit_index(cpu_buffer) == index;
+}
+
+static inline void
+rb_set_commit_event(struct ring_buffer_per_cpu *cpu_buffer,
+		    struct ring_buffer_event *event)
+{
+	unsigned long addr = (unsigned long)event;
+	unsigned long index;
+
+	index = rb_event_index(event);
+	addr &= PAGE_MASK;
+
+	while (cpu_buffer->commit_page->page != (void *)addr) {
+		RB_WARN_ON(cpu_buffer,
+			   cpu_buffer->commit_page == cpu_buffer->tail_page);
+		cpu_buffer->commit_page->commit =
+			cpu_buffer->commit_page->write;
+		rb_inc_page(cpu_buffer, &cpu_buffer->commit_page);
+		cpu_buffer->write_stamp = cpu_buffer->commit_page->time_stamp;
+	}
+
+	/* Now set the commit to the event's index */
+	local_set(&cpu_buffer->commit_page->commit, index);
+}
+
+static inline void
+rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	/*
+	 * We only race with interrupts and NMIs on this CPU.
+	 * If we own the commit event, then we can commit
+	 * all others that interrupted us, since the interruptions
+	 * are in stack format (they finish before they come
+	 * back to us). This allows us to do a simple loop to
+	 * assign the commit to the tail.
+	 */
+	while (cpu_buffer->commit_page != cpu_buffer->tail_page) {
+		cpu_buffer->commit_page->commit =
+			cpu_buffer->commit_page->write;
+		rb_inc_page(cpu_buffer, &cpu_buffer->commit_page);
+		cpu_buffer->write_stamp = cpu_buffer->commit_page->time_stamp;
+		/* add barrier to keep gcc from optimizing too much */
+		barrier();
+	}
+	while (rb_commit_index(cpu_buffer) !=
+	       rb_page_write(cpu_buffer->commit_page)) {
+		cpu_buffer->commit_page->commit =
+			cpu_buffer->commit_page->write;
+		barrier();
+	}
 }
 
 static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
@@ -745,61 +839,120 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer,
 		  unsigned type, unsigned long length, u64 *ts)
 {
 	struct buffer_page *tail_page, *head_page, *reader_page;
-	unsigned long tail;
+	unsigned long tail, write;
 	struct ring_buffer *buffer = cpu_buffer->buffer;
 	struct ring_buffer_event *event;
+	unsigned long flags;
 
 	tail_page = cpu_buffer->tail_page;
-	tail = cpu_buffer->tail_page->write;
+	write = local_add_return(length, &tail_page->write);
+	tail = write - length;
 
-	if (tail + length > BUF_PAGE_SIZE) {
+	/* See if we shot pass the end of this buffer page */
+	if (write > BUF_PAGE_SIZE) {
 		struct buffer_page *next_page = tail_page;
 
-		spin_lock(&cpu_buffer->lock);
+		spin_lock_irqsave(&cpu_buffer->lock, flags);
+
 		rb_inc_page(cpu_buffer, &next_page);
 
 		head_page = cpu_buffer->head_page;
 		reader_page = cpu_buffer->reader_page;
 
 		/* we grabbed the lock before incrementing */
-		WARN_ON(next_page == reader_page);
+		RB_WARN_ON(cpu_buffer, next_page == reader_page);
+
+		/*
+		 * If for some reason, we had an interrupt storm that made
+		 * it all the way around the buffer, bail, and warn
+		 * about it.
+		 */
+		if (unlikely(next_page == cpu_buffer->commit_page)) {
+			WARN_ON_ONCE(1);
+			goto out_unlock;
+		}
 
 		if (next_page == head_page) {
 			if (!(buffer->flags & RB_FL_OVERWRITE)) {
-				spin_unlock(&cpu_buffer->lock);
-				return NULL;
+				/* reset write */
+				if (tail <= BUF_PAGE_SIZE)
+					local_set(&tail_page->write, tail);
+				goto out_unlock;
 			}
 
-			/* count overflows */
-			rb_update_overflow(cpu_buffer);
+			/* tail_page has not moved yet? */
+			if (tail_page == cpu_buffer->tail_page) {
+				/* count overflows */
+				rb_update_overflow(cpu_buffer);
+
+				rb_inc_page(cpu_buffer, &head_page);
+				cpu_buffer->head_page = head_page;
+				cpu_buffer->head_page->read = 0;
+			}
+		}
 
-			rb_inc_page(cpu_buffer, &head_page);
-			cpu_buffer->head_page = head_page;
-			rb_reset_head_page(cpu_buffer);
+		/*
+		 * If the tail page is still the same as what we think
+		 * it is, then it is up to us to update the tail
+		 * pointer.
+		 */
+		if (tail_page == cpu_buffer->tail_page) {
+			local_set(&next_page->write, 0);
+			local_set(&next_page->commit, 0);
+			cpu_buffer->tail_page = next_page;
+
+			/* reread the time stamp */
+			*ts = ring_buffer_time_stamp(cpu_buffer->cpu);
+			cpu_buffer->tail_page->time_stamp = *ts;
 		}
 
-		if (tail != BUF_PAGE_SIZE) {
+		/*
+		 * The actual tail page has moved forward.
+		 */
+		if (tail < BUF_PAGE_SIZE) {
+			/* Mark the rest of the page with padding */
 			event = __rb_page_index(tail_page, tail);
-			/* page padding */
 			event->type = RINGBUF_TYPE_PADDING;
 		}
 
-		tail_page->size = tail;
-		tail_page = next_page;
-		tail_page->size = 0;
-		tail = 0;
-		cpu_buffer->tail_page = tail_page;
-		cpu_buffer->tail_page->write = tail;
-		rb_add_stamp(cpu_buffer, ts);
-		spin_unlock(&cpu_buffer->lock);
+		if (tail <= BUF_PAGE_SIZE)
+			/* Set the write back to the previous setting */
+			local_set(&tail_page->write, tail);
+
+		/*
+		 * If this was a commit entry that failed,
+		 * increment that too
+		 */
+		if (tail_page == cpu_buffer->commit_page &&
+		    tail == rb_commit_index(cpu_buffer)) {
+			rb_set_commit_to_write(cpu_buffer);
+		}
+
+		spin_unlock_irqrestore(&cpu_buffer->lock, flags);
+
+		/* fail and let the caller try again */
+		return ERR_PTR(-EAGAIN);
 	}
 
-	BUG_ON(tail + length > BUF_PAGE_SIZE);
+	/* We reserved something on the buffer */
+
+	BUG_ON(write > BUF_PAGE_SIZE);
 
 	event = __rb_page_index(tail_page, tail);
 	rb_update_event(event, type, length);
 
+	/*
+	 * If this is a commit and the tail is zero, then update
+	 * this page's time stamp.
+	 */
+	if (!tail && rb_is_commit(cpu_buffer, event))
+		cpu_buffer->commit_page->time_stamp = *ts;
+
 	return event;
+
+ out_unlock:
+	spin_unlock_irqrestore(&cpu_buffer->lock, flags);
+	return NULL;
 }
 
 static int
@@ -808,6 +961,7 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
 {
 	struct ring_buffer_event *event;
 	static int once;
+	int ret;
 
 	if (unlikely(*delta > (1ULL << 59) && !once++)) {
 		printk(KERN_WARNING "Delta way too big! %llu"
@@ -825,21 +979,38 @@ rb_add_time_stamp(struct ring_buffer_per_cpu *cpu_buffer,
 				  RB_LEN_TIME_EXTEND,
 				  ts);
 	if (!event)
-		return -1;
+		return -EBUSY;
 
-	/* check to see if we went to the next page */
-	if (cpu_buffer->tail_page->write) {
-		/* Still on same page, update timestamp */
-		event->time_delta = *delta & TS_MASK;
-		event->array[0] = *delta >> TS_SHIFT;
-		/* commit the time event */
-		cpu_buffer->tail_page->write +=
-			rb_event_length(event);
+	if (PTR_ERR(event) == -EAGAIN)
+		return -EAGAIN;
+
+	/* Only a commited time event can update the write stamp */
+	if (rb_is_commit(cpu_buffer, event)) {
+		/*
+		 * If this is the first on the page, then we need to
+		 * update the page itself, and just put in a zero.
+		 */
+		if (rb_event_index(event)) {
+			event->time_delta = *delta & TS_MASK;
+			event->array[0] = *delta >> TS_SHIFT;
+		} else {
+			cpu_buffer->commit_page->time_stamp = *ts;
+			event->time_delta = 0;
+			event->array[0] = 0;
+		}
 		cpu_buffer->write_stamp = *ts;
-		*delta = 0;
+		/* let the caller know this was the commit */
+		ret = 1;
+	} else {
+		/* Darn, this is just wasted space */
+		event->time_delta = 0;
+		event->array[0] = 0;
+		ret = 0;
 	}
 
-	return 0;
+	*delta = 0;
+
+	return ret;
 }
 
 static struct ring_buffer_event *
@@ -848,32 +1019,69 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer,
 {
 	struct ring_buffer_event *event;
 	u64 ts, delta;
+	int commit = 0;
 
+ again:
 	ts = ring_buffer_time_stamp(cpu_buffer->cpu);
 
-	if (cpu_buffer->tail_page->write) {
+	/*
+	 * Only the first commit can update the timestamp.
+	 * Yes there is a race here. If an interrupt comes in
+	 * just after the conditional and it traces too, then it
+	 * will also check the deltas. More than one timestamp may
+	 * also be made. But only the entry that did the actual
+	 * commit will be something other than zero.
+	 */
+	if (cpu_buffer->tail_page == cpu_buffer->commit_page &&
+	    rb_page_write(cpu_buffer->tail_page) ==
+	    rb_commit_index(cpu_buffer)) {
+
 		delta = ts - cpu_buffer->write_stamp;
 
+		/* make sure this delta is calculated here */
+		barrier();
+
+		/* Did the write stamp get updated already? */
+		if (unlikely(ts < cpu_buffer->write_stamp))
+			goto again;
+
 		if (test_time_stamp(delta)) {
-			int ret;
 
-			ret = rb_add_time_stamp(cpu_buffer, &ts, &delta);
-			if (ret < 0)
+			commit = rb_add_time_stamp(cpu_buffer, &ts, &delta);
+
+			if (commit == -EBUSY)
 				return NULL;
+
+			if (commit == -EAGAIN)
+				goto again;
+
+			RB_WARN_ON(cpu_buffer, commit < 0);
 		}
-	} else {
-		spin_lock(&cpu_buffer->lock);
-		rb_add_stamp(cpu_buffer, &ts);
-		spin_unlock(&cpu_buffer->lock);
+	} else
+		/* Non commits have zero deltas */
 		delta = 0;
-	}
 
 	event = __rb_reserve_next(cpu_buffer, type, length, &ts);
-	if (!event)
+	if (PTR_ERR(event) == -EAGAIN)
+		goto again;
+
+	if (!event) {
+		if (unlikely(commit))
+			/*
+			 * Ouch! We needed a timestamp and it was commited. But
+			 * we didn't get our event reserved.
+			 */
+			rb_set_commit_to_write(cpu_buffer);
 		return NULL;
+	}
 
-	/* If the reserve went to the next page, our delta is zero */
-	if (!cpu_buffer->tail_page->write)
+	/*
+	 * If the timestamp was commited, make the commit our entry
+	 * now so that we will update it when needed.
+	 */
+	if (commit)
+		rb_set_commit_event(cpu_buffer, event);
+	else if (!rb_is_commit(cpu_buffer, event))
 		delta = 0;
 
 	event->time_delta = delta;
@@ -881,6 +1089,8 @@ rb_reserve_next_event(struct ring_buffer_per_cpu *cpu_buffer,
 	return event;
 }
 
+static DEFINE_PER_CPU(int, rb_need_resched);
+
 /**
  * ring_buffer_lock_reserve - reserve a part of the buffer
  * @buffer: the ring buffer to reserve from
@@ -904,12 +1114,15 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer,
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
 	struct ring_buffer_event *event;
-	int cpu;
+	int cpu, resched;
 
 	if (atomic_read(&buffer->record_disabled))
 		return NULL;
 
-	local_irq_save(*flags);
+	/* If we are tracing schedule, we don't want to recurse */
+	resched = need_resched();
+	preempt_disable_notrace();
+
 	cpu = raw_smp_processor_id();
 
 	if (!cpu_isset(cpu, buffer->cpumask))
@@ -922,26 +1135,42 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer,
 
 	length = rb_calculate_event_length(length);
 	if (length > BUF_PAGE_SIZE)
-		return NULL;
+		goto out;
 
 	event = rb_reserve_next_event(cpu_buffer, RINGBUF_TYPE_DATA, length);
 	if (!event)
 		goto out;
 
+	/*
+	 * Need to store resched state on this cpu.
+	 * Only the first needs to.
+	 */
+
+	if (preempt_count() == 1)
+		per_cpu(rb_need_resched, cpu) = resched;
+
 	return event;
 
  out:
-	local_irq_restore(*flags);
+	if (resched)
+		preempt_enable_notrace();
+	else
+		preempt_enable_notrace();
 	return NULL;
 }
 
 static void rb_commit(struct ring_buffer_per_cpu *cpu_buffer,
 		      struct ring_buffer_event *event)
 {
-	cpu_buffer->tail_page->write += rb_event_length(event);
-	cpu_buffer->tail_page->size = cpu_buffer->tail_page->write;
-	cpu_buffer->write_stamp += event->time_delta;
 	cpu_buffer->entries++;
+
+	/* Only process further if we own the commit */
+	if (!rb_is_commit(cpu_buffer, event))
+		return;
+
+	cpu_buffer->write_stamp += event->time_delta;
+
+	rb_set_commit_to_write(cpu_buffer);
 }
 
 /**
@@ -965,7 +1194,16 @@ int ring_buffer_unlock_commit(struct ring_buffer *buffer,
 
 	rb_commit(cpu_buffer, event);
 
-	local_irq_restore(flags);
+	/*
+	 * Only the last preempt count needs to restore preemption.
+	 */
+	if (preempt_count() == 1) {
+		if (per_cpu(rb_need_resched, cpu))
+			preempt_enable_no_resched_notrace();
+		else
+			preempt_enable_notrace();
+	} else
+		preempt_enable_no_resched_notrace();
 
 	return 0;
 }
@@ -989,15 +1227,17 @@ int ring_buffer_write(struct ring_buffer *buffer,
 {
 	struct ring_buffer_per_cpu *cpu_buffer;
 	struct ring_buffer_event *event;
-	unsigned long event_length, flags;
+	unsigned long event_length;
 	void *body;
 	int ret = -EBUSY;
-	int cpu;
+	int cpu, resched;
 
 	if (atomic_read(&buffer->record_disabled))
 		return -EBUSY;
 
-	local_irq_save(flags);
+	resched = need_resched();
+	preempt_disable_notrace();
+
 	cpu = raw_smp_processor_id();
 
 	if (!cpu_isset(cpu, buffer->cpumask))
@@ -1022,11 +1262,26 @@ int ring_buffer_write(struct ring_buffer *buffer,
 
 	ret = 0;
  out:
-	local_irq_restore(flags);
+	if (resched)
+		preempt_enable_no_resched_notrace();
+	else
+		preempt_enable_notrace();
 
 	return ret;
 }
 
+static inline int rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
+{
+	struct buffer_page *reader = cpu_buffer->reader_page;
+	struct buffer_page *head = cpu_buffer->head_page;
+	struct buffer_page *commit = cpu_buffer->commit_page;
+
+	return reader->read == rb_page_commit(reader) &&
+		(commit == reader ||
+		 (commit == head &&
+		  head->read == rb_page_commit(commit)));
+}
+
 /**
  * ring_buffer_record_disable - stop all writes into the buffer
  * @buffer: The ring buffer to stop writes to.
@@ -1204,8 +1459,8 @@ int ring_buffer_iter_empty(struct ring_buffer_iter *iter)
 
 	cpu_buffer = iter->cpu_buffer;
 
-	return iter->head_page == cpu_buffer->tail_page &&
-		iter->head == cpu_buffer->tail_page->write;
+	return iter->head_page == cpu_buffer->commit_page &&
+		iter->head == rb_commit_index(cpu_buffer);
 }
 
 static void
@@ -1282,15 +1537,16 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 	reader = cpu_buffer->reader_page;
 
 	/* If there's more to read, return this page */
-	if (cpu_buffer->reader_page->read < reader->size)
+	if (cpu_buffer->reader_page->read < rb_page_size(reader))
 		goto out;
 
 	/* Never should we have an index greater than the size */
-	WARN_ON(cpu_buffer->reader_page->read > reader->size);
+	RB_WARN_ON(cpu_buffer,
+		   cpu_buffer->reader_page->read > rb_page_size(reader));
 
 	/* check if we caught up to the tail */
 	reader = NULL;
-	if (cpu_buffer->tail_page == cpu_buffer->reader_page)
+	if (cpu_buffer->commit_page == cpu_buffer->reader_page)
 		goto out;
 
 	/*
@@ -1301,7 +1557,9 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 	reader = cpu_buffer->head_page;
 	cpu_buffer->reader_page->list.next = reader->list.next;
 	cpu_buffer->reader_page->list.prev = reader->list.prev;
-	cpu_buffer->reader_page->size = 0;
+
+	local_set(&cpu_buffer->reader_page->write, 0);
+	local_set(&cpu_buffer->reader_page->commit, 0);
 
 	/* Make the reader page now replace the head */
 	reader->list.prev->next = &cpu_buffer->reader_page->list;
@@ -1313,7 +1571,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
 	 */
 	cpu_buffer->head_page = cpu_buffer->reader_page;
 
-	if (cpu_buffer->tail_page != reader)
+	if (cpu_buffer->commit_page != reader)
 		rb_inc_page(cpu_buffer, &cpu_buffer->head_page);
 
 	/* Finally update the reader page to the new head */
@@ -1363,8 +1621,8 @@ static void rb_advance_iter(struct ring_buffer_iter *iter)
 	/*
 	 * Check if we are at the end of the buffer.
 	 */
-	if (iter->head >= iter->head_page->size) {
-		BUG_ON(iter->head_page == cpu_buffer->tail_page);
+	if (iter->head >= rb_page_size(iter->head_page)) {
+		BUG_ON(iter->head_page == cpu_buffer->commit_page);
 		rb_inc_iter(iter);
 		return;
 	}
@@ -1377,16 +1635,16 @@ static void rb_advance_iter(struct ring_buffer_iter *iter)
 	 * This should not be called to advance the header if we are
 	 * at the tail of the buffer.
 	 */
-	BUG_ON((iter->head_page == cpu_buffer->tail_page) &&
-	       (iter->head + length > cpu_buffer->tail_page->write));
+	BUG_ON((iter->head_page == cpu_buffer->commit_page) &&
+	       (iter->head + length > rb_commit_index(cpu_buffer)));
 
 	rb_update_iter_read_stamp(iter, event);
 
 	iter->head += length;
 
 	/* check for end of page padding */
-	if ((iter->head >= iter->head_page->size) &&
-	    (iter->head_page != cpu_buffer->tail_page))
+	if ((iter->head >= rb_page_size(iter->head_page)) &&
+	    (iter->head_page != cpu_buffer->commit_page))
 		rb_advance_iter(iter);
 }
 
@@ -1420,7 +1678,7 @@ ring_buffer_peek(struct ring_buffer *buffer, int cpu, u64 *ts)
 
 	switch (event->type) {
 	case RINGBUF_TYPE_PADDING:
-		WARN_ON(1);
+		RB_WARN_ON(cpu_buffer, 1);
 		rb_advance_reader(cpu_buffer);
 		return NULL;
 
@@ -1622,14 +1880,17 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer)
 {
 	cpu_buffer->head_page
 		= list_entry(cpu_buffer->pages.next, struct buffer_page, list);
-	cpu_buffer->head_page->size = 0;
-	cpu_buffer->tail_page = cpu_buffer->head_page;
-	cpu_buffer->tail_page->size = 0;
-	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
-	cpu_buffer->reader_page->size = 0;
+	local_set(&cpu_buffer->head_page->write, 0);
+	local_set(&cpu_buffer->head_page->commit, 0);
 
 	cpu_buffer->head_page->read = 0;
-	cpu_buffer->tail_page->write = 0;
+
+	cpu_buffer->tail_page = cpu_buffer->head_page;
+	cpu_buffer->commit_page = cpu_buffer->head_page;
+
+	INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
+	local_set(&cpu_buffer->reader_page->write, 0);
+	local_set(&cpu_buffer->reader_page->commit, 0);
 	cpu_buffer->reader_page->read = 0;
 
 	cpu_buffer->overrun = 0;
-- 
GitLab


From 3ea2e6d71aafe35b8aaf89ed711a283815acfae6 Mon Sep 17 00:00:00 2001
From: Steven Rostedt <rostedt@goodmis.org>
Date: Sat, 4 Oct 2008 02:01:00 -0400
Subject: [PATCH 0547/2224] ftrace: make some tracers reentrant

Now that the ring buffer is reentrant, some of the ftrace tracers
(sched_swich, debugging traces) can also be reentrant.

Note: Never make the function tracer reentrant, that can cause
  recursion problems all over the kernel. The function tracer
  must disable reentrancy.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c              | 10 ++--------
 kernel/trace/trace_sched_switch.c | 10 ++--------
 2 files changed, 4 insertions(+), 16 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 1cd2e8143bb..caa4051ce77 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -839,7 +839,6 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
 {
 	struct trace_array *tr = &global_trace;
 	struct trace_array_cpu *data;
-	long disabled;
 	int cpu;
 	int pc;
 
@@ -850,12 +849,10 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
 	preempt_disable_notrace();
 	cpu = raw_smp_processor_id();
 	data = tr->data[cpu];
-	disabled = atomic_inc_return(&data->disabled);
 
-	if (likely(disabled == 1))
+	if (likely(!atomic_read(&data->disabled)))
 		ftrace_trace_special(tr, data, arg1, arg2, arg3, pc);
 
-	atomic_dec(&data->disabled);
 	preempt_enable_notrace();
 }
 
@@ -2961,7 +2958,6 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	struct trace_array_cpu *data;
 	struct print_entry *entry;
 	unsigned long flags, irq_flags;
-	long disabled;
 	int cpu, len = 0, size, pc;
 
 	if (!tr->ctrl || tracing_disabled)
@@ -2971,9 +2967,8 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	preempt_disable_notrace();
 	cpu = raw_smp_processor_id();
 	data = tr->data[cpu];
-	disabled = atomic_inc_return(&data->disabled);
 
-	if (unlikely(disabled != 1))
+	if (unlikely(atomic_read(&data->disabled)))
 		goto out;
 
 	spin_lock_irqsave(&trace_buf_lock, flags);
@@ -2999,7 +2994,6 @@ int trace_vprintk(unsigned long ip, const char *fmt, va_list args)
 	spin_unlock_irqrestore(&trace_buf_lock, flags);
 
  out:
-	atomic_dec(&data->disabled);
 	preempt_enable_notrace();
 
 	return len;
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index c7fa08a5b7f..b8f56beb1a6 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -24,7 +24,6 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
 {
 	struct trace_array_cpu *data;
 	unsigned long flags;
-	long disabled;
 	int cpu;
 	int pc;
 
@@ -41,12 +40,10 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
 	local_irq_save(flags);
 	cpu = raw_smp_processor_id();
 	data = ctx_trace->data[cpu];
-	disabled = atomic_inc_return(&data->disabled);
 
-	if (likely(disabled == 1))
+	if (likely(!atomic_read(&data->disabled)))
 		tracing_sched_switch_trace(ctx_trace, data, prev, next, flags, pc);
 
-	atomic_dec(&data->disabled);
 	local_irq_restore(flags);
 }
 
@@ -55,7 +52,6 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
 {
 	struct trace_array_cpu *data;
 	unsigned long flags;
-	long disabled;
 	int cpu, pc;
 
 	if (!likely(tracer_enabled))
@@ -67,13 +63,11 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee)
 	local_irq_save(flags);
 	cpu = raw_smp_processor_id();
 	data = ctx_trace->data[cpu];
-	disabled = atomic_inc_return(&data->disabled);
 
-	if (likely(disabled == 1))
+	if (likely(!atomic_read(&data->disabled)))
 		tracing_sched_wakeup_trace(ctx_trace, data, wakee, current,
 					   flags, pc);
 
-	atomic_dec(&data->disabled);
 	local_irq_restore(flags);
 }
 
-- 
GitLab


From c2931e05ec5965597cbfb79ad332d4a29aeceb23 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Sat, 4 Oct 2008 22:04:44 +0200
Subject: [PATCH 0548/2224] ftrace: return an error when setting a nonexistent
 tracer

When one try to set a nonexistent tracer, no error is returned
as if the name of the tracer was correct.
We should return -EINVAL.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index caa4051ce77..78d56614c95 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2381,9 +2381,11 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
 	struct tracer *t;
 	char buf[max_tracer_type_len+1];
 	int i;
+	size_t ret;
 
 	if (cnt > max_tracer_type_len)
 		cnt = max_tracer_type_len;
+	ret = cnt;
 
 	if (copy_from_user(&buf, ubuf, cnt))
 		return -EFAULT;
@@ -2399,7 +2401,11 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
 		if (strcmp(t->name, buf) == 0)
 			break;
 	}
-	if (!t || t == current_trace)
+	if (!t) {
+		ret = -EINVAL;
+		goto out;
+	}
+	if (t == current_trace)
 		goto out;
 
 	if (current_trace && current_trace->reset)
@@ -2412,9 +2418,10 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
  out:
 	mutex_unlock(&trace_types_lock);
 
-	filp->f_pos += cnt;
+	if (ret == cnt)
+		filp->f_pos += cnt;
 
-	return cnt;
+	return ret;
 }
 
 static ssize_t
-- 
GitLab


From 8a5d900cca57115326bc5b9e7f3bac980986c2c8 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@infradead.org>
Date: Sat, 4 Oct 2008 13:42:27 -0700
Subject: [PATCH 0549/2224] tracing/fastboot: fix printk format typo in boot
 tracer
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When printing nanoseconds, the right printk format string is %09 not %06...

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Frédéric Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace_boot.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index a7efe355965..d0a5e50eeff 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -62,14 +62,14 @@ static enum print_line_t initcall_print_line(struct trace_iterator *iter)
 	struct timespec rettime = ktime_to_timespec(it->rettime);
 
 	if (entry->type == TRACE_BOOT) {
-		ret = trace_seq_printf(s, "[%5ld.%06ld] calling  %s @ %i\n",
+		ret = trace_seq_printf(s, "[%5ld.%09ld] calling  %s @ %i\n",
 					  calltime.tv_sec,
 					  calltime.tv_nsec,
 					  it->func, it->caller);
 		if (!ret)
 			return TRACE_TYPE_PARTIAL_LINE;
 
-		ret = trace_seq_printf(s, "[%5ld.%06ld] initcall %s "
+		ret = trace_seq_printf(s, "[%5ld.%09ld] initcall %s "
 					  "returned %d after %lld msecs\n",
 					  rettime.tv_sec,
 					  rettime.tv_nsec,
-- 
GitLab


From ddc7a01aad195708fc943d9446411d11e3547784 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Sat, 4 Oct 2008 21:35:48 +0200
Subject: [PATCH 0550/2224] tracing/fastboot: fix initcalls disposition in
 bootgraph.pl

When bootgraph.pl parses a file, it gives one row
for each initcall's pid. But only few of them will
be displayed => the longest.

This patch corrects it by giving only a rows for pids
which have initcalls that will be displayed.

[ mingo@elte.hu: resolved conflicts ]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/bootgraph.pl | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index d459b8bdef0..c34b359c34a 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -37,12 +37,12 @@
 # 	dmesg | perl scripts/bootgraph.pl > output.svg
 #
 
-my @rows;
-my %start, %end, %row;
+my %start, %end;
 my $done = 0;
-my $rowcount = 0;
 my $maxtime = 0;
 my $count = 0;
+my %pids;
+
 while (<>) {
 	my $line = $_;
 	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z\_]+)\+/) {
@@ -50,14 +50,8 @@ while (<>) {
 		if ($done == 0) {
 			$start{$func} = $1;
 		}
-		$row{$func} = 1;
 		if ($line =~ /\@ ([0-9]+)/) {
-			my $pid = $1;
-			if (!defined($rows[$pid])) {
-				$rowcount = $rowcount + 1;
-				$rows[$pid] = $rowcount;
-			}
-			$row{$func} = $rows[$pid];
+			$pids{$func} = $1;
 		}
 		$count = $count + 1;
 	}
@@ -102,17 +96,25 @@ $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(
 my $mult = 950.0 / $maxtime;
 my $threshold = 0.0500 / $maxtime;
 my $stylecounter = 0;
+my %rows;
+my $rowscount = 1;
 while (($key,$value) = each %start) {
 	my $duration = $end{$key} - $start{$key};
 
 	if ($duration >= $threshold) {
 		my $s, $s2, $e, $y;
-		$s = $value * $mult;
+		$pid = $pids{$key};
+
+		if (!defined($rows{$pid})) {
+			$rows{$pid} = $rowscount;
+			$rowscount = $rowscount + 1;
+		}
+		$s = ($value - $firsttime) * $mult;
 		$s2 = $s + 6;
 		$e = $end{$key} * $mult;
 		$w = $e - $s;
 
-		$y = $row{$key} * 150;
+		$y = $rows{$pid} * 150;
 		$y2 = $y + 4;
 
 		$style = $styles[$stylecounter];
-- 
GitLab


From 2fbc474901933c8f0c09b0280dfbb6780cb8bd60 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Wed, 8 Oct 2008 16:51:49 -0700
Subject: [PATCH 0551/2224] ftrace: fix hex output mode of ftrace

Fix the output of ftrace in hex mode as the hi/lo nibbles are output in
reverse order. Without this patch, the output of ftrace is:

raw mode : 6474 0 141531612444 0 140 + 6402 120 S
hex mode : 000091a4 00000000 000000023f1f50c1 00000000 c8 000000b2 00009120 87 ffff00c8 00000035

There is an inversion on ouput hex(6474) is 194a

[based on a patch by Philippe Reynes <tremyfr@yahoo.fr>]
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 78d56614c95..36cbb873845 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -336,14 +336,12 @@ trace_seq_putmem(struct trace_seq *s, void *mem, size_t len)
 }
 
 #define HEX_CHARS 17
-static const char hex2asc[] = "0123456789abcdef";
 
 static int
 trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len)
 {
 	unsigned char hex[HEX_CHARS];
 	unsigned char *data = mem;
-	unsigned char byte;
 	int i, j;
 
 	BUG_ON(len >= HEX_CHARS);
@@ -353,10 +351,8 @@ trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len)
 #else
 	for (i = len-1, j = 0; i >= 0; i--) {
 #endif
-		byte = data[i];
-
-		hex[j++] = hex2asc[byte & 0x0f];
-		hex[j++] = hex2asc[byte >> 4];
+		hex[j++] = hex_asc_hi(data[i]);
+		hex[j++] = hex_asc_lo(data[i]);
 	}
 	hex[j++] = ' ';
 
-- 
GitLab


From ad0a3b68114e8f3c25ac0045b45a2838f23e3b3a Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Wed, 8 Oct 2008 17:44:55 -0700
Subject: [PATCH 0552/2224] trace: add build-time check to avoid overrunning
 hex buffer

Remove the runtime BUG_ON and change to a compile-time check in
the macro that calls the hex format routine

[Noticed by Joe Perches]
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/trace.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 36cbb873845..d345d649d07 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -335,7 +335,8 @@ trace_seq_putmem(struct trace_seq *s, void *mem, size_t len)
 	return len;
 }
 
-#define HEX_CHARS 17
+#define MAX_MEMHEX_BYTES	8
+#define HEX_CHARS		(MAX_MEMHEX_BYTES*2 + 1)
 
 static int
 trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len)
@@ -344,8 +345,6 @@ trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len)
 	unsigned char *data = mem;
 	int i, j;
 
-	BUG_ON(len >= HEX_CHARS);
-
 #ifdef __BIG_ENDIAN
 	for (i = 0, j = 0; i < len; i++) {
 #else
@@ -1668,6 +1667,7 @@ do {							\
 
 #define SEQ_PUT_HEX_FIELD_RET(s, x)			\
 do {							\
+	BUILD_BUG_ON(sizeof(x) > MAX_MEMHEX_BYTES);	\
 	if (!trace_seq_putmem_hex(s, &(x), sizeof(x)))	\
 		return 0;				\
 } while (0)
-- 
GitLab


From ca538f6bbe583406f941f3041d40c41f9a13d1de Mon Sep 17 00:00:00 2001
From: Tim Bird <tim.bird@am.sony.com>
Date: Thu, 9 Oct 2008 15:23:05 -0700
Subject: [PATCH 0553/2224] tracing/fastboot: add better resolution to initcall
 debug/tracing

Change the time resolution for initcall_debug to microseconds, from
milliseconds.  This is handy to determine which initcalls you want to work
on for faster booting.

One one of my test machines, over 90% of the initcalls are less than a
millisecond and (without this patch) these are all reported as 0 msecs.
Working on the 900 us ones is more important than the 4 us ones.

With 'quiet' on the kernel command line, this adds no significant overhead
to kernel boot time.

Signed-off-by: Tim Bird <tim.bird@am.sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/ftrace.h | 4 ++--
 init/main.c            | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 5812dba4ee2..a3d46151be1 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -215,9 +215,9 @@ ftrace_init_module(unsigned long *start, unsigned long *end) { }
 
 struct boot_trace {
 	pid_t			caller;
-	char 			func[KSYM_NAME_LEN];
+	char			func[KSYM_NAME_LEN];
 	int			result;
-	unsigned long long	duration;
+	unsigned long long	duration;		/* usecs */
 	ktime_t			calltime;
 	ktime_t			rettime;
 };
diff --git a/init/main.c b/init/main.c
index e7939de80f3..b2e7ff4a534 100644
--- a/init/main.c
+++ b/init/main.c
@@ -721,8 +721,8 @@ int do_one_initcall(initcall_t fn)
 	if (initcall_debug) {
 		it.rettime = ktime_get();
 		delta = ktime_sub(it.rettime, it.calltime);
-		it.duration = (unsigned long long) delta.tv64 >> 20;
-		printk("initcall %pF returned %d after %Ld msecs\n", fn,
+		it.duration = (unsigned long long) delta.tv64 >> 10;
+		printk("initcall %pF returned %d after %Ld usecs\n", fn,
 			it.result, it.duration);
 		trace_boot(&it, fn);
 	}
-- 
GitLab


From bfadadfccc19e36f7d600c5ce7b3e5ba5197fbf0 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 10 Oct 2008 03:48:25 -0400
Subject: [PATCH 0554/2224] markers: fix synchronize marker unregister static
 inline

Use a #define for synchronize marker unregister to fix include dependencies.

Fixes the slab circular inclusion which triggers when slab.git is combined
with tracing.git, where rcupdate includes slab, which includes markers
which includes rcupdate.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/marker.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/linux/marker.h b/include/linux/marker.h
index 38e32e781ed..889196c7fbb 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -13,7 +13,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/rcupdate.h>
 
 struct module;
 struct marker;
@@ -166,9 +165,6 @@ extern void *marker_get_private_data(const char *name, marker_probe_func *probe,
  * unregistration and the end of module exit to make sure there is no caller
  * executing a probe when it is freed.
  */
-static inline void marker_synchronize_unregister(void)
-{
-	synchronize_sched();
-}
+#define marker_synchronize_unregister() synchronize_sched()
 
 #endif
-- 
GitLab


From 8b27386a9ce9c7f0f8702cff7565a46802ad57d1 Mon Sep 17 00:00:00 2001
From: Anders Kaseorg <andersk@MIT.EDU>
Date: Thu, 9 Oct 2008 22:19:08 -0400
Subject: [PATCH 0555/2224] ftrace: make ftrace_test_p6nop
 disassembler-friendly

Commit 4c3dc21b136f8cb4b72afee16c3ba7e961656c0b in tip introduced the
5-byte NOP ftrace_test_p6nop:

   jmp . + 5
   .byte 0x00, 0x00, 0x00

This is not friendly to disassemblers because an odd number of 0x00s
ends in the middle of an instruction boundary.  This changes the 0x00s
to 1-byte NOPs (0x90).

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/ftrace.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 222507e8157..d073d981a73 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -132,7 +132,9 @@ int __init ftrace_dyn_arch_init(void *data)
 		".section .text, \"ax\"\n"
 		"ftrace_test_jmp:"
 		"jmp ftrace_test_p6nop\n"
-		".byte 0x00,0x00,0x00\n"  /* 2 byte jmp + 3 bytes */
+		"nop\n"
+		"nop\n"
+		"nop\n"  /* 2 byte jmp + 3 bytes */
 		"ftrace_test_p6nop:"
 		P6_NOP5
 		"jmp 1f\n"
@@ -161,7 +163,7 @@ int __init ftrace_dyn_arch_init(void *data)
 		ftrace_nop = (unsigned long *)ftrace_test_nop5;
 		break;
 	case 2:
-		pr_info("ftrace: converting mcount calls to jmp 1f\n");
+		pr_info("ftrace: converting mcount calls to jmp . + 5\n");
 		ftrace_nop = (unsigned long *)ftrace_test_jmp;
 		break;
 	}
-- 
GitLab


From f2461fc82a083dd60062e05e704c5fcc1c658ba1 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 6 Oct 2008 10:33:00 -0400
Subject: [PATCH 0556/2224] tracepoints: tracepoint_synchronize_unregister()

Create tracepoint_synchronize_unregister() which must be called before the end
of exit() to make sure every probe callers have exited the non preemptible
section and thus are not executing the probe code anymore.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/tracepoint.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index e623a6fca5c..199f4c207c1 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -124,4 +124,11 @@ extern void tracepoint_iter_reset(struct tracepoint_iter *iter);
 extern int tracepoint_get_iter_range(struct tracepoint **tracepoint,
 	struct tracepoint *begin, struct tracepoint *end);
 
+/*
+ * tracepoint_synchronize_unregister must be called between the last tracepoint
+ * probe unregistration and the end of module exit to make sure there is no
+ * caller executing a probe when it is freed.
+ */
+#define tracepoint_synchronize_unregister() synchronize_sched()
+
 #endif
-- 
GitLab


From 231375cc5cc3549bb413f94a164bdcbd5f9ce943 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 3 Oct 2008 15:01:33 -0400
Subject: [PATCH 0557/2224] tracepoints: synchronize unregister static inline

Turn tracepoint synchronize unregister into a static inline. There is no
reason to keep it as a macro over a static inline.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/tracepoint.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 199f4c207c1..c5bb39c7a77 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -129,6 +129,9 @@ extern int tracepoint_get_iter_range(struct tracepoint **tracepoint,
  * probe unregistration and the end of module exit to make sure there is no
  * caller executing a probe when it is freed.
  */
-#define tracepoint_synchronize_unregister() synchronize_sched()
+static inline void tracepoint_synchronize_unregister(void)
+{
+	synchronize_sched();
+}
 
 #endif
-- 
GitLab


From 80a398a55d3096ff4572b44271d095413749ebb4 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 14 Sep 2008 15:30:52 -0700
Subject: [PATCH 0558/2224] tracing/fastboot: fix issues and improve output of
 bootgraph.pl

David Sanders reported some issues with bootgraph.pl's display
of his sytems bootup; this commit fixes these by scaling the graph
not from 0 - end time but from the first initcall to the end time;
the minimum display size etc also now need to scale with this, as does
the axis display.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 scripts/bootgraph.pl | 29 ++++++++++++++++-------------
 1 file changed, 16 insertions(+), 13 deletions(-)

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index c34b359c34a..4baf4998558 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -40,6 +40,7 @@
 my %start, %end;
 my $done = 0;
 my $maxtime = 0;
+my $firsttime = 100;
 my $count = 0;
 my %pids;
 
@@ -49,6 +50,9 @@ while (<>) {
 		my $func = $2;
 		if ($done == 0) {
 			$start{$func} = $1;
+			if ($1 < $firsttime) {
+				$firsttime = $1;
+			}
 		}
 		if ($line =~ /\@ ([0-9]+)/) {
 			$pids{$func} = $1;
@@ -65,6 +69,9 @@ while (<>) {
 	if ($line =~ /Write protecting the/) {
 		$done = 1;
 	}
+	if ($line =~ /Freeing unused kernel memory/) {
+		$done = 1;
+	}
 }
 
 if ($count == 0) {
@@ -93,8 +100,8 @@ $styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0
 $styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
 $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
 
-my $mult = 950.0 / $maxtime;
-my $threshold = 0.0500 / $maxtime;
+my $mult = 950.0 / ($maxtime - $firsttime);
+my $threshold = ($maxtime - $firsttime) / 60.0;
 my $stylecounter = 0;
 my %rows;
 my $rowscount = 1;
@@ -103,15 +110,9 @@ while (($key,$value) = each %start) {
 
 	if ($duration >= $threshold) {
 		my $s, $s2, $e, $y;
-		$pid = $pids{$key};
-
-		if (!defined($rows{$pid})) {
-			$rows{$pid} = $rowscount;
-			$rowscount = $rowscount + 1;
-		}
 		$s = ($value - $firsttime) * $mult;
 		$s2 = $s + 6;
-		$e = $end{$key} * $mult;
+		$e = ($end{$key} - $firsttime) * $mult;
 		$w = $e - $s;
 
 		$y = $rows{$pid} * 150;
@@ -130,11 +131,13 @@ while (($key,$value) = each %start) {
 
 
 # print the time line on top
-my $time = 0.0;
+my $time = $firsttime;
+my $step = ($maxtime - $firsttime) / 15;
 while ($time < $maxtime) {
-	my $s2 = $time * $mult;
-	print "<text transform=\"translate($s2,89) rotate(90)\">$time</text>\n";
-	$time = $time + 0.1;
+	my $s2 = ($time - $firsttime) * $mult;
+	my $tm = int($time * 100) / 100.0;
+	print "<text transform=\"translate($s2,89) rotate(90)\">$tm</text>\n";
+	$time = $time + $step;
 }
 
 print "</svg>\n";
-- 
GitLab


From 5c542368a3ded88bed98239fb3570dda416203ee Mon Sep 17 00:00:00 2001
From: Arnaud Patard <apatard@mandriva.com>
Date: Fri, 19 Sep 2008 20:16:25 -0700
Subject: [PATCH 0559/2224] tracing/fastboot: fix bootgraph.pl initcall name
 regexp

The regexp used to match the start and the end of an initcall
are matching only on [a-zA-Z\_]. This rules out initcalls with
a number in them. This patch is fixing that.

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/bootgraph.pl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 4baf4998558..479fb4ea891 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -46,7 +46,7 @@ my %pids;
 
 while (<>) {
 	my $line = $_;
-	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z\_]+)\+/) {
+	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_]+)\+/) {
 		my $func = $2;
 		if ($done == 0) {
 			$start{$func} = $1;
@@ -60,7 +60,7 @@ while (<>) {
 		$count = $count + 1;
 	}
 
-	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z\_]+)\+.*returned/) {
+	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) {
 		if ($done == 0) {
 			$end{$2} = $1;
 			$maxtime = $1;
@@ -75,8 +75,8 @@ while (<>) {
 }
 
 if ($count == 0) {
-	print "No data found in the dmesg. Make sure CONFIG_PRINTK_TIME is enabled and\n";
-	print "that initcall_debug is passed on the kernel command line.\n\n";
+	print "No data found in the dmesg. Make sure that 'printk.time=1' and\n";
+	print "'initcall_debug' are passed on the kernel command line.\n\n";
 	print "Usage: \n";
 	print "      dmesg | perl scripts/bootgraph.pl > output.svg\n\n";
 	exit;
-- 
GitLab


From 07d1890420cce95c577736e4d67f70cbd39845fe Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Sat, 4 Oct 2008 21:35:48 +0200
Subject: [PATCH 0560/2224] tracing/fastboot: fix initcalls disposition in
 bootgraph.pl

When bootgraph.pl parses a file, it gives one row
for each initcall's pid. But only few of them will
be displayed => the longest.

This patch corrects it by giving only a rows for pids
which have initcalls that will be displayed.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 scripts/bootgraph.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 479fb4ea891..5e7316e5aa3 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -110,6 +110,12 @@ while (($key,$value) = each %start) {
 
 	if ($duration >= $threshold) {
 		my $s, $s2, $e, $y;
+		$pid = $pids{$key};
+
+		if (!defined($rows{$pid})) {
+			$rows{$pid} = $rowscount;
+			$rowscount = $rowscount + 1;
+		}
 		$s = ($value - $firsttime) * $mult;
 		$s2 = $s + 6;
 		$e = ($end{$key} - $firsttime) * $mult;
-- 
GitLab


From daa847356a4f2b2722d78b389ec4f172f24fecd5 Mon Sep 17 00:00:00 2001
From: Chen Gong <g.chen@freescale.com>
Date: Tue, 16 Sep 2008 14:14:12 +0800
Subject: [PATCH 0561/2224] [MTD] m25p80.c extended jedec support (v2)

Include missing parts of previous patch.

Signed-off-by: Chen Gong <g.chen@freescale.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/m25p80.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 4d3ae085b1d..697a3a21783 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -548,7 +548,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
 {
 	int			tmp;
 	u8			code = OPCODE_RDID;
-	u8			id[3];
+	u8			id[5];
 	u32			jedec;
 	u16                     ext_jedec;
 	struct flash_info	*info;
@@ -557,7 +557,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
 	 * string for after vendor-specific data, after the three bytes
 	 * we use here.  Supporting some chips might require using it.
 	 */
-	tmp = spi_write_then_read(spi, &code, 1, id, 3);
+	tmp = spi_write_then_read(spi, &code, 1, id, 5);
 	if (tmp < 0) {
 		DEBUG(MTD_DEBUG_LEVEL0, "%s: error %d reading JEDEC ID\n",
 			spi->dev.bus_id, tmp);
-- 
GitLab


From 08d790432906b3815a1dc91a826ca85ff2a73b6c Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Tue, 14 Oct 2008 11:00:51 +0100
Subject: [PATCH 0562/2224] [MTD] [MAPS] Remove unused variable after ROM API
 cleanup.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/maps/pci.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c
index d978c2e28b1..48f4cf5cb9d 100644
--- a/drivers/mtd/maps/pci.c
+++ b/drivers/mtd/maps/pci.c
@@ -225,8 +225,6 @@ intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map)
 static void
 intel_dc21285_exit(struct pci_dev *dev, struct map_pci_info *map)
 {
-	u32 val;
-
 	if (map->base)
 		iounmap(map->base);
 
-- 
GitLab


From 3fc2389847a84d06263c13a3b6dfe1f1d6eea935 Mon Sep 17 00:00:00 2001
From: Richard Genoud <richard.genoud@gmail.com>
Date: Sun, 12 Oct 2008 08:42:28 +0200
Subject: [PATCH 0563/2224] [MTD] [NAND] Bug on atmel_nand HW ECC : OOB info
 not correctly written

The functions that write the OOB info (on hardware ECC only) use the
HW_SYNDROME method.

This is not correct : the start position is "pos = eccsize + chunk" and
should be eccsize. So, the standard (nand_write_oob_std) function should
be used. This patch corrects this by using NAND_ECC_HW instead of
NAND_ECC_HW_SYNDROME.

This has only been tested on small pages nand flash.
(if anyone can test it on large pages that would be great).

kernel version : 2.6.27-rc2 (current git mtd-2.6)

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/atmel_nand.c | 58 ++++-------------------------------
 1 file changed, 6 insertions(+), 52 deletions(-)

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 3387e0d5076..c98c1570a40 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -173,48 +173,6 @@ static void atmel_write_buf16(struct mtd_info *mtd, const u8 *buf, int len)
 	__raw_writesw(nand_chip->IO_ADDR_W, buf, len / 2);
 }
 
-/*
- * write oob for small pages
- */
-static int atmel_nand_write_oob_512(struct mtd_info *mtd,
-		struct nand_chip *chip, int page)
-{
-	int chunk = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
-	int eccsize = chip->ecc.size, length = mtd->oobsize;
-	int len, pos, status = 0;
-	const uint8_t *bufpoi = chip->oob_poi;
-
-	pos = eccsize + chunk;
-
-	chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page);
-	len = min_t(int, length, chunk);
-	chip->write_buf(mtd, bufpoi, len);
-	bufpoi += len;
-	length -= len;
-	if (length > 0)
-		chip->write_buf(mtd, bufpoi, length);
-
-	chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
-	status = chip->waitfunc(mtd, chip);
-
-	return status & NAND_STATUS_FAIL ? -EIO : 0;
-
-}
-
-/*
- * read oob for small pages
- */
-static int atmel_nand_read_oob_512(struct mtd_info *mtd,
-		struct nand_chip *chip,	int page, int sndcmd)
-{
-	if (sndcmd) {
-		chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
-		sndcmd = 0;
-	}
-	chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
-	return sndcmd;
-}
-
 /*
  * Calculate HW ECC
  *
@@ -235,14 +193,14 @@ static int atmel_nand_calculate(struct mtd_info *mtd,
 	/* get the first 2 ECC bytes */
 	ecc_value = ecc_readl(host->ecc, PR);
 
-	ecc_code[eccpos[0]] = ecc_value & 0xFF;
-	ecc_code[eccpos[1]] = (ecc_value >> 8) & 0xFF;
+	ecc_code[0] = ecc_value & 0xFF;
+	ecc_code[1] = (ecc_value >> 8) & 0xFF;
 
 	/* get the last 2 ECC bytes */
 	ecc_value = ecc_readl(host->ecc, NPR) & ATMEL_ECC_NPARITY;
 
-	ecc_code[eccpos[2]] = ecc_value & 0xFF;
-	ecc_code[eccpos[3]] = (ecc_value >> 8) & 0xFF;
+	ecc_code[2] = ecc_value & 0xFF;
+	ecc_code[3] = (ecc_value >> 8) & 0xFF;
 
 	return 0;
 }
@@ -476,14 +434,12 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
 			res = -EIO;
 			goto err_ecc_ioremap;
 		}
-		nand_chip->ecc.mode = NAND_ECC_HW_SYNDROME;
+		nand_chip->ecc.mode = NAND_ECC_HW;
 		nand_chip->ecc.calculate = atmel_nand_calculate;
 		nand_chip->ecc.correct = atmel_nand_correct;
 		nand_chip->ecc.hwctl = atmel_nand_hwctl;
 		nand_chip->ecc.read_page = atmel_nand_read_page;
 		nand_chip->ecc.bytes = 4;
-		nand_chip->ecc.prepad = 0;
-		nand_chip->ecc.postpad = 0;
 	}
 
 	nand_chip->chip_delay = 20;		/* 20us command delay time */
@@ -514,7 +470,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
 		goto err_scan_ident;
 	}
 
-	if (nand_chip->ecc.mode == NAND_ECC_HW_SYNDROME) {
+	if (nand_chip->ecc.mode == NAND_ECC_HW) {
 		/* ECC is calculated for the whole page (1 step) */
 		nand_chip->ecc.size = mtd->writesize;
 
@@ -522,8 +478,6 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
 		switch (mtd->writesize) {
 		case 512:
 			nand_chip->ecc.layout = &atmel_oobinfo_small;
-			nand_chip->ecc.read_oob = atmel_nand_read_oob_512;
-			nand_chip->ecc.write_oob = atmel_nand_write_oob_512;
 			ecc_writel(host->ecc, MR, ATMEL_ECC_PAGESIZE_528);
 			break;
 		case 1024:
-- 
GitLab


From 72a1419a9d4c859a3345e4b83f8ef7d599d3818c Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Date: Tue, 14 Oct 2008 13:22:19 +0200
Subject: [PATCH 0564/2224] avr32: Add defconfig for the favr-32 board

Taken from buildroot.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/configs/favr-32_defconfig | 1235 ++++++++++++++++++++++++++
 1 file changed, 1235 insertions(+)
 create mode 100644 arch/avr32/configs/favr-32_defconfig

diff --git a/arch/avr32/configs/favr-32_defconfig b/arch/avr32/configs/favr-32_defconfig
new file mode 100644
index 00000000000..e2bd9982e2a
--- /dev/null
+++ b/arch/avr32/configs/favr-32_defconfig
@@ -0,0 +1,1235 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.27-rc8
+# Tue Oct 14 13:20:41 2008
+#
+CONFIG_AVR32=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_BUG=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+CONFIG_RELAY=y
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_BASE_FULL is not set
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=m
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
+# CONFIG_HAVE_IOREMAP_PROT is not set
+CONFIG_HAVE_KPROBES=y
+# CONFIG_HAVE_KRETPROBES is not set
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
+# CONFIG_HAVE_DMA_ATTRS is not set
+# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_CLK=y
+CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=1
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+
+#
+# System Type and features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_SUBARCH_AVR32B=y
+CONFIG_MMU=y
+CONFIG_PERFORMANCE_COUNTERS=y
+CONFIG_PLATFORM_AT32AP=y
+CONFIG_CPU_AT32AP700X=y
+CONFIG_CPU_AT32AP7000=y
+# CONFIG_BOARD_ATSTK1000 is not set
+# CONFIG_BOARD_ATNGW100 is not set
+CONFIG_BOARD_FAVR_32=y
+# CONFIG_BOARD_MIMC200 is not set
+CONFIG_BOARD_FAVR32_ABDAC_RATE=44100
+CONFIG_LOADER_U_BOOT=y
+
+#
+# Atmel AVR32 AP options
+#
+# CONFIG_AP700X_32_BIT_SMC is not set
+CONFIG_AP700X_16_BIT_SMC=y
+# CONFIG_AP700X_8_BIT_SMC is not set
+CONFIG_LOAD_ADDRESS=0x10000000
+CONFIG_ENTRY_ADDRESS=0x90000000
+CONFIG_PHYS_OFFSET=0x10000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_QUICKLIST=y
+# CONFIG_HAVE_ARCH_BOOTMEM_NODE is not set
+# CONFIG_ARCH_HAVE_MEMORY_PRESENT is not set
+# CONFIG_NEED_NODE_MEMMAP_SIZE is not set
+CONFIG_ARCH_FLATMEM_ENABLE=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+# CONFIG_ARCH_SPARSEMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_OWNERSHIP_TRACE is not set
+CONFIG_NMI_DEBUGGING=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+CONFIG_SCHED_HRTICK=y
+CONFIG_CMDLINE=""
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# CPU Frequency scaling
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+# CONFIG_CPU_FREQ_STAT is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_AT32AP=y
+
+#
+# Bus options
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+CONFIG_XFRM_USER=m
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
+CONFIG_NET_KEY=m
+# CONFIG_NET_KEY_MIGRATE is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+CONFIG_NET_IPIP=m
+CONFIG_NET_IPGRE=m
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+CONFIG_INET_AH=m
+CONFIG_INET_ESP=m
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_XFRM_MODE_TRANSPORT=m
+CONFIG_INET_XFRM_MODE_TUNNEL=m
+CONFIG_INET_XFRM_MODE_BEET=m
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=y
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
+CONFIG_IPV6_TUNNEL=m
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+CONFIG_STP=m
+CONFIG_BRIDGE=m
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+CONFIG_LLC=m
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0x8000000
+CONFIG_MTD_PHYSMAP_LEN=0x0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=2
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=m
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+CONFIG_MISC_DEVICES=y
+CONFIG_ATMEL_PWM=m
+CONFIG_ATMEL_TCLIB=y
+CONFIG_ATMEL_TCB_CLKSRC=y
+CONFIG_ATMEL_TCB_CLKSRC_BLOCK=0
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_ATMEL_SSC=m
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HAVE_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+CONFIG_MACB=y
+# CONFIG_ENC28J60 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+CONFIG_PPP=m
+# CONFIG_PPP_MULTILINK is not set
+# CONFIG_PPP_FILTER is not set
+CONFIG_PPP_ASYNC=m
+# CONFIG_PPP_SYNC_TTY is not set
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+# CONFIG_PPP_MPPE is not set
+# CONFIG_PPPOE is not set
+# CONFIG_PPPOL2TP is not set
+# CONFIG_SLIP is not set
+CONFIG_SLHC=m
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_POLLDEV=m
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=m
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=m
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_GPIO=m
+CONFIG_INPUT_MOUSE=y
+# CONFIG_MOUSE_PS2 is not set
+# CONFIG_MOUSE_SERIAL is not set
+# CONFIG_MOUSE_VSXXXAA is not set
+CONFIG_MOUSE_GPIO=m
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADS7846=m
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_UCB1400 is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+# CONFIG_CONSOLE_TRANSLATIONS is not set
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_DEVKMEM is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+CONFIG_SERIAL_ATMEL_PDC=y
+# CONFIG_SERIAL_ATMEL_TTYAT is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=m
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_HELPER_AUTO=y
+CONFIG_I2C_ALGOBIT=m
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_GPIO=m
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+CONFIG_SPI_SPIDEV=m
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+CONFIG_GPIO_SYSFS=y
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_AT32AP700X_WDT=y
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_ATMEL=y
+# CONFIG_FB_VIRTUAL is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+# CONFIG_LCD_CLASS_DEVICE is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=m
+# CONFIG_BACKLIGHT_ATMEL_LCDC is not set
+CONFIG_BACKLIGHT_ATMEL_PWM=m
+# CONFIG_BACKLIGHT_CORGI is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+# CONFIG_LOGO is not set
+CONFIG_SOUND=m
+# CONFIG_SND is not set
+CONFIG_SOUND_PRIME=m
+# CONFIG_HID_SUPPORT is not set
+CONFIG_USB_SUPPORT=y
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MUSB_HDRC is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_USB_ATMEL_USBA=y
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+CONFIG_USB_ZERO=m
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+CONFIG_USB_GADGETFS=m
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+CONFIG_USB_CDC_COMPOSITE=m
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+CONFIG_MMC_ATMELMCI=y
+CONFIG_MMC_ATMELMCI_DMA=y
+# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_ATMEL_PWM=m
+# CONFIG_LEDS_PCA9532 is not set
+CONFIG_LEDS_GPIO=y
+# CONFIG_LEDS_PCA955X is not set
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_AT32AP700X=y
+CONFIG_DMADEVICES=y
+
+#
+# DMA Devices
+#
+CONFIG_DW_DMAC=y
+CONFIG_DMA_ENGINE=y
+
+#
+# DMA Clients
+#
+# CONFIG_NET_DMA is not set
+# CONFIG_DMATEST is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_CONFIGFS_FS=y
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+# CONFIG_JFFS2_FS_WRITEBUFFER is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=m
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_LKDTM is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_HASH=m
+CONFIG_CRYPTO_MANAGER=m
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=m
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=m
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=m
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+CONFIG_CRYPTO_SHA1=m
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=m
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+CONFIG_CRYPTO_DEFLATE=m
+# CONFIG_CRYPTO_LZO is not set
+# CONFIG_CRYPTO_HW is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
-- 
GitLab


From 4519d9e54dcd273975ad0adebad2a08c20428029 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 14 Oct 2008 14:15:43 +0200
Subject: [PATCH 0565/2224] tracing/stacktrace: improve help text

Improve the help text that is displayed for CONFIG_STACK_TRACER.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 396aea11398..11fd03a429f 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -141,8 +141,17 @@ config STACK_TRACER
 	select FTRACE
 	select STACKTRACE
 	help
-	  This tracer records the max stack of the kernel, and displays
-	  it in debugfs/tracing/stack_trace
+	  This special tracer records the maximum stack footprint of the
+	  kernel and displays it in debugfs/tracing/stack_trace.
+
+	  This tracer works by hooking into every function call that the
+	  kernel executes, and keeping a maximum stack depth value and
+	  stack-trace saved. Because this logic has to execute in every
+	  kernel function, all the time, this option can slow down the
+	  kernel measurably and is generally intended for kernel
+	  developers only.
+
+	  Say N if unsure.
 
 config DYNAMIC_FTRACE
 	bool "enable/disable ftrace tracepoints dynamically"
-- 
GitLab


From 98d9c66ab07471006fd7910cb16453581c41a3e7 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 14 Oct 2008 14:27:20 +0200
Subject: [PATCH 0566/2224] tracing/fastboot: improve help text

Improve the help text of the boot tracer.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/trace/Kconfig | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 11fd03a429f..1cb3e1f616a 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -127,12 +127,17 @@ config BOOT_TRACER
 	select TRACING
 	help
 	  This tracer helps developers to optimize boot times: it records
-	  the timings of the initcalls. Its aim is to be parsed by the
-	  /scripts/bootgraph.pl tool to produce pretty graphics about
-	  boot inefficiencies, giving a visual representation of the
-	  delays during initcalls. Note that tracers self tests can't
-	  be enabled if this tracer is selected since only one tracer
-	  should touch the tracing buffer at a time.
+	  the timings of the initcalls and traces key events and the identity
+	  of tasks that can cause boot delays, such as context-switches.
+
+	  Its aim is to be parsed by the /scripts/bootgraph.pl tool to
+	  produce pretty graphics about boot inefficiencies, giving a visual
+	  representation of the delays during initcalls - but the raw
+	  /debug/tracing/trace text output is readable too.
+
+	  ( Note that tracing self tests can't be enabled if this tracer is
+	    selected, because the self-tests are an initcall as well and that
+	    would invalidate the boot trace. )
 
 config STACK_TRACER
 	bool "Trace max stack"
-- 
GitLab


From 6028aa01f759a1dae11e5d0e495b3dc9d2b0a47b Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Tue, 14 Oct 2008 21:23:26 +0900
Subject: [PATCH 0567/2224] [MTD] [NAND] sh_flctl: add support for Renesas
 SuperH FLCTL

Several Renesas SuperH CPU has FLCTL. The FLCTL support NAND Flash.
This driver support SH7723.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig     |   7 +
 drivers/mtd/nand/Makefile    |   1 +
 drivers/mtd/nand/sh_flctl.c  | 301 +++++++++++++++++++++++++++++++++++
 include/linux/mtd/sh_flctl.h | 125 +++++++++++++++
 4 files changed, 434 insertions(+)
 create mode 100644 drivers/mtd/nand/sh_flctl.c
 create mode 100644 include/linux/mtd/sh_flctl.h

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 82815dd64bf..89b4d39386a 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -407,4 +407,11 @@ config MTD_NAND_MXC
 	  This enables the driver for the NAND flash controller on the
 	  MXC processors.
 
+config MTD_NAND_SH_FLCTL
+	tristate "Support for NAND on Renesas SuperH FLCTL"
+	depends on MTD_NAND && SUPERH && CPU_SUBTYPE_SH7723
+	help
+	  Several Renesas SuperH CPU has FLCTL. This option enables support
+	  for NAND Flash using FLCTL. This driver support SH7723.
+
 endif # MTD_NAND
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index e0fee048c1b..9bfeca324b3 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_MTD_NAND_PASEMI)		+= pasemi_nand.o
 obj-$(CONFIG_MTD_NAND_ORION)		+= orion_nand.o
 obj-$(CONFIG_MTD_NAND_FSL_ELBC)		+= fsl_elbc_nand.o
 obj-$(CONFIG_MTD_NAND_FSL_UPM)		+= fsl_upm.o
+obj-$(CONFIG_MTD_NAND_SH_FLCTL)		+= sh_flctl.o
 obj-$(CONFIG_MTD_NAND_MXC)		+= mxc_nand.o
 
 nand-objs := nand_base.o nand_bbt.o
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
new file mode 100644
index 00000000000..600a76f5580
--- /dev/null
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -0,0 +1,301 @@
+/*
+ * SuperH FLCTL nand controller
+ *
+ * Copyright © 2008 Renesas Solutions Corp.
+ * Copyright © 2008 Atom Create Engineering Co., Ltd.
+ *
+ * Based on fsl_elbc_nand.c, Copyright © 2006-2007 Freescale Semiconductor
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/sh_flctl.h>
+
+static struct nand_ecclayout flctl_4secc_oob_16 = {
+	.eccbytes = 10,
+	.eccpos = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
+	.oobfree = {
+		{.offset = 12,
+		. length = 4} },
+};
+
+static struct nand_ecclayout flctl_4secc_oob_64 = {
+	.eccbytes = 10,
+	.eccpos = {48, 49, 50, 51, 52, 53, 54, 55, 56, 57},
+	.oobfree = {
+		{.offset = 60,
+		. length = 4} },
+};
+
+static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
+
+static struct nand_bbt_descr flctl_4secc_smallpage = {
+	.options = NAND_BBT_SCAN2NDPAGE,
+	.offs = 11,
+	.len = 1,
+	.pattern = scan_ff_pattern,
+};
+
+static struct nand_bbt_descr flctl_4secc_largepage = {
+	.options = 0,
+	.offs = 58,
+	.len = 2,
+	.pattern = scan_ff_pattern,
+};
+
+static void empty_fifo(struct sh_flctl *flctl)
+{
+	writel(0x000c0000, FLINTDMACR(flctl));	/* FIFO Clear */
+	writel(0x00000000, FLINTDMACR(flctl));	/* Clear Error flags */
+}
+
+static void start_translation(struct sh_flctl *flctl)
+{
+	writeb(TRSTRT, FLTRCR(flctl));
+}
+
+static void wait_completion(struct sh_flctl *flctl)
+{
+	uint32_t timeout = LOOP_TIMEOUT_MAX;
+
+	while (timeout--) {
+		if (readb(FLTRCR(flctl)) & TREND) {
+			writeb(0x0, FLTRCR(flctl));
+			return;
+		}
+		udelay(1);
+	}
+
+	printk(KERN_ERR "wait_completion(): Timeout occured \n");
+	writeb(0x0, FLTRCR(flctl));
+}
+
+static void set_addr(struct mtd_info *mtd, int column, int page_addr)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	uint32_t addr = 0;
+
+	if (column == -1) {
+		addr = page_addr;	/* ERASE1 */
+	} else if (page_addr != -1) {
+		/* SEQIN, READ0, etc.. */
+		if (flctl->page_size) {
+			addr = column & 0x0FFF;
+			addr |= (page_addr & 0xff) << 16;
+			addr |= ((page_addr >> 8) & 0xff) << 24;
+			/* big than 128MB */
+			if (flctl->rw_ADRCNT == ADRCNT2_E) {
+				uint32_t 	addr2;
+				addr2 = (page_addr >> 16) & 0xff;
+				writel(addr2, FLADR2(flctl));
+			}
+		} else {
+			addr = column;
+			addr |= (page_addr & 0xff) << 8;
+			addr |= ((page_addr >> 8) & 0xff) << 16;
+			addr |= ((page_addr >> 16) & 0xff) << 24;
+		}
+	}
+	writel(addr, FLADR(flctl));
+}
+
+static void wait_rfifo_ready(struct sh_flctl *flctl)
+{
+	uint32_t timeout = LOOP_TIMEOUT_MAX;
+
+	while (timeout--) {
+		uint32_t val;
+		/* check FIFO */
+		val = readl(FLDTCNTR(flctl)) >> 16;
+		if (val & 0xFF)
+			return;
+		udelay(1);
+	}
+	printk(KERN_ERR "wait_rfifo_ready(): Timeout occured \n");
+}
+
+static void wait_wfifo_ready(struct sh_flctl *flctl)
+{
+	uint32_t len, timeout = LOOP_TIMEOUT_MAX;
+
+	while (timeout--) {
+		/* check FIFO */
+		len = (readl(FLDTCNTR(flctl)) >> 16) & 0xFF;
+		if (len >= 4)
+			return;
+		udelay(1);
+	}
+	printk(KERN_ERR "wait_wfifo_ready(): Timeout occured \n");
+}
+
+static int wait_recfifo_ready(struct sh_flctl *flctl)
+{
+	uint32_t timeout = LOOP_TIMEOUT_MAX;
+	int checked[4];
+	void __iomem *ecc_reg[4];
+	int i;
+	uint32_t data, size;
+
+	memset(checked, 0, sizeof(checked));
+
+	while (timeout--) {
+		size = readl(FLDTCNTR(flctl)) >> 24;
+		if (size & 0xFF)
+			return 0;	/* success */
+
+		if (readl(FL4ECCCR(flctl)) & _4ECCFA)
+			return 1;	/* can't correct */
+
+		udelay(1);
+		if (!(readl(FL4ECCCR(flctl)) & _4ECCEND))
+			continue;
+
+		/* start error correction */
+		ecc_reg[0] = FL4ECCRESULT0(flctl);
+		ecc_reg[1] = FL4ECCRESULT1(flctl);
+		ecc_reg[2] = FL4ECCRESULT2(flctl);
+		ecc_reg[3] = FL4ECCRESULT3(flctl);
+
+		for (i = 0; i < 3; i++) {
+			data = readl(ecc_reg[i]);
+			if (data != INIT_FL4ECCRESULT_VAL && !checked[i]) {
+				uint8_t org;
+				int index;
+
+				index = data >> 16;
+				org = flctl->done_buff[index];
+				flctl->done_buff[index] = org ^ (data & 0xFF);
+				checked[i] = 1;
+			}
+		}
+
+		writel(0, FL4ECCCR(flctl));
+	}
+
+	printk(KERN_ERR "wait_recfifo_ready(): Timeout occured \n");
+	return 1;	/* timeout */
+}
+
+static void wait_wecfifo_ready(struct sh_flctl *flctl)
+{
+	uint32_t timeout = LOOP_TIMEOUT_MAX;
+	uint32_t len;
+
+	while (timeout--) {
+		/* check FLECFIFO */
+		len = (readl(FLDTCNTR(flctl)) >> 24) & 0xFF;
+		if (len >= 4)
+			return;
+		udelay(1);
+	}
+	printk(KERN_ERR "wait_wecfifo_ready(): Timeout occured \n");
+}
+
+static void read_datareg(struct sh_flctl *flctl, int offset)
+{
+	unsigned long data;
+	unsigned long *buf = (unsigned long *)&flctl->done_buff[offset];
+
+	wait_completion(flctl);
+
+	data = readl(FLDATAR(flctl));
+	*buf = le32_to_cpu(data);
+}
+
+static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset)
+{
+	int i, len_4align;
+	unsigned long *buf = (unsigned long *)&flctl->done_buff[offset];
+	void *fifo_addr = (void *)FLDTFIFO(flctl);
+
+	len_4align = (rlen + 3) / 4;
+
+	for (i = 0; i < len_4align; i++) {
+		wait_rfifo_ready(flctl);
+		buf[i] = readl(fifo_addr);
+		buf[i] = be32_to_cpu(buf[i]);
+	}
+}
+
+static int read_ecfiforeg(struct sh_flctl *flctl, uint8_t *buff)
+{
+	int i;
+	unsigned long *ecc_buf = (unsigned long *)buff;
+	void *fifo_addr = (void *)FLECFIFO(flctl);
+
+	for (i = 0; i < 4; i++) {
+		if (wait_recfifo_ready(flctl))
+			return 1;
+		ecc_buf[i] = readl(fifo_addr);
+		ecc_buf[i] = be32_to_cpu(ecc_buf[i]);
+	}
+
+	return 0;
+}
+
+static void write_fiforeg(struct sh_flctl *flctl, int rlen, int offset)
+{
+	int i, len_4align;
+	unsigned long *data = (unsigned long *)&flctl->done_buff[offset];
+	void *fifo_addr = (void *)FLDTFIFO(flctl);
+
+	len_4align = (rlen + 3) / 4;
+	for (i = 0; i < len_4align; i++) {
+		wait_wfifo_ready(flctl);
+		writel(cpu_to_be32(data[i]), fifo_addr);
+	}
+}
+
+static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_val)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	uint32_t flcmncr_val = readl(FLCMNCR(flctl));
+	uint32_t flcmdcr_val, addr_len_bytes = 0;
+
+	/* Set SNAND bit if page size is 2048byte */
+	if (flctl->page_size)
+		flcmncr_val |= SNAND_E;
+	else
+		flcmncr_val &= ~SNAND_E;
+
+	/* default FLCMDCR val */
+	flcmdcr_val = DOCMD1_E | DOADR_E;
+
+	/* Set for FLCMDCR */
+	switch (cmd) {
+	case NAND_CMD_ERASE1:
+		addr_len_bytes = flctl->erase_ADRCNT;
+		flcmdcr_val |= DOCMD2_E;
+		break;
+	case NAND_CMD_READ0:
+	case NAND_CMD_READOOB:
+		addr_len_bytes = flctl->rw_ADRCNT;
+		flcmdcr_val |= CDSRC_E;
+		break;
+	case NAND_CMD_SEQIN:
+		/* This case is that cmd is READ0 or READ1 or READ00 */
+		flcmdcr_val &= ~DOADR_E;	/* ONLY execute 1st cmd */
+		break;
+	case NAND_CMD_PAGEPROG:
+		addr_len_bytes = flctl->rw_ADRCNT;
diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h
new file mode 100644
index 00000000000..e77c1cea404
--- /dev/null
+++ b/include/linux/mtd/sh_flctl.h
@@ -0,0 +1,125 @@
+/*
+ * SuperH FLCTL nand controller
+ *
+ * Copyright © 2008 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __SH_FLCTL_H__
+#define __SH_FLCTL_H__
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+
+/* FLCTL registers */
+#define FLCMNCR(f)		(f->reg + 0x0)
+#define FLCMDCR(f)		(f->reg + 0x4)
+#define FLCMCDR(f)		(f->reg + 0x8)
+#define FLADR(f)		(f->reg + 0xC)
+#define FLADR2(f)		(f->reg + 0x3C)
+#define FLDATAR(f)		(f->reg + 0x10)
+#define FLDTCNTR(f)		(f->reg + 0x14)
+#define FLINTDMACR(f)		(f->reg + 0x18)
+#define FLBSYTMR(f)		(f->reg + 0x1C)
+#define FLBSYCNT(f)		(f->reg + 0x20)
+#define FLDTFIFO(f)		(f->reg + 0x24)
+#define FLECFIFO(f)		(f->reg + 0x28)
+#define FLTRCR(f)		(f->reg + 0x2C)
+#define	FL4ECCRESULT0(f)	(f->reg + 0x80)
+#define	FL4ECCRESULT1(f)	(f->reg + 0x84)
+#define	FL4ECCRESULT2(f)	(f->reg + 0x88)
+#define	FL4ECCRESULT3(f)	(f->reg + 0x8C)
+#define	FL4ECCCR(f)		(f->reg + 0x90)
+#define	FL4ECCCNT(f)		(f->reg + 0x94)
+#define	FLERRADR(f)		(f->reg + 0x98)
+
+/* FLCMNCR control bits */
+#define ECCPOS2		(0x1 << 25)
+#define _4ECCCNTEN	(0x1 << 24)
+#define _4ECCEN		(0x1 << 23)
+#define _4ECCCORRECT	(0x1 << 22)
+#define SNAND_E		(0x1 << 18)	/* SNAND (0=512 1=2048)*/
+#define QTSEL_E		(0x1 << 17)
+#define ENDIAN		(0x1 << 16)	/* 1 = little endian */
+#define FCKSEL_E	(0x1 << 15)
+#define ECCPOS_00	(0x00 << 12)
+#define ECCPOS_01	(0x01 << 12)
+#define ECCPOS_02	(0x02 << 12)
+#define ACM_SACCES_MODE	(0x01 << 10)
+#define NANWF_E		(0x1 << 9)
+#define SE_D		(0x1 << 8)	/* Spare area disable */
+#define	CE1_ENABLE	(0x1 << 4)	/* Chip Enable 1 */
+#define	CE0_ENABLE	(0x1 << 3)	/* Chip Enable 0 */
+#define	TYPESEL_SET	(0x1 << 0)
+
+/* FLCMDCR control bits */
+#define ADRCNT2_E	(0x1 << 31)	/* 5byte address enable */
+#define ADRMD_E		(0x1 << 26)	/* Sector address access */
+#define CDSRC_E		(0x1 << 25)	/* Data buffer selection */
+#define DOSR_E		(0x1 << 24)	/* Status read check */
+#define SELRW		(0x1 << 21)	/*  0:read 1:write */
+#define DOADR_E		(0x1 << 20)	/* Address stage execute */
+#define ADRCNT_1	(0x00 << 18)	/* Address data bytes: 1byte */
+#define ADRCNT_2	(0x01 << 18)	/* Address data bytes: 2byte */
+#define ADRCNT_3	(0x02 << 18)	/* Address data bytes: 3byte */
+#define ADRCNT_4	(0x03 << 18)	/* Address data bytes: 4byte */
+#define DOCMD2_E	(0x1 << 17)	/* 2nd cmd stage execute */
+#define DOCMD1_E	(0x1 << 16)	/* 1st cmd stage execute */
+
+/* FLTRCR control bits */
+#define TRSTRT		(0x1 << 0)	/* translation start */
+#define TREND		(0x1 << 1)	/* translation end */
+
+/* FL4ECCCR control bits */
+#define	_4ECCFA		(0x1 << 2)	/* 4 symbols correct fault */
+#define	_4ECCEND	(0x1 << 1)	/* 4 symbols end */
+#define	_4ECCEXST	(0x1 << 0)	/* 4 symbols exist */
+
+#define INIT_FL4ECCRESULT_VAL	0x03FF03FF
+#define LOOP_TIMEOUT_MAX	0x00010000
+
+#define mtd_to_flctl(mtd)	container_of(mtd, struct sh_flctl, mtd)
+
+struct sh_flctl {
+	struct mtd_info		mtd;
+	struct nand_chip	chip;
+	void __iomem		*reg;
+
+	uint8_t	done_buff[2048 + 64];	/* max size 2048 + 64 */
+	int	read_bytes;
+	int	index;
+	int	seqin_column;		/* column in SEQIN cmd */
+	int	seqin_page_addr;	/* page_addr in SEQIN cmd */
+	uint32_t seqin_read_cmd;		/* read cmd in SEQIN cmd */
+	int	erase1_page_addr;	/* page_addr in ERASE1 cmd */
+	uint32_t erase_ADRCNT;		/* bits of FLCMDCR in ERASE1 cmd */
+	uint32_t rw_ADRCNT;	/* bits of FLCMDCR in READ WRITE cmd */
+
+	int	hwecc_cant_correct[4];
+
+	unsigned page_size:1;	/* NAND page size (0 = 512, 1 = 2048) */
+	unsigned hwecc:1;	/* Hardware ECC (0 = disabled, 1 = enabled) */
+};
+
+struct sh_flctl_platform_data {
+	struct mtd_partition	*parts;
+	int			nr_parts;
+	unsigned long		flcmncr_val;
+
+	unsigned has_hwecc:1;
+};
+
+#endif	/* __SH_FLCTL_H__ */
-- 
GitLab


From 8a0aba733db1adb5e1f0e828889a18f4c1c512de Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 16 Oct 2008 10:06:27 -0400
Subject: [PATCH 0568/2224] ext4: let the block device know when unused blocks
 can be discarded

Let the block device know when unused blocks can be discarded, using
the new sb_issue_discard() interface.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 7 +++++++
 fs/ext4/mballoc.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index bd9b011941a..815a22ea607 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2653,6 +2653,7 @@ ext4_mb_free_committed_blocks(struct super_block *sb)
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	int err, count = 0, count2 = 0;
 	struct ext4_free_data *entry;
+	ext4_fsblk_t discard_block;
 
 	if (list_empty(&sbi->s_committed_transaction))
 		return;
@@ -2696,6 +2697,12 @@ ext4_mb_free_committed_blocks(struct super_block *sb)
 			page_cache_release(e4b.bd_bitmap_page);
 		}
 		ext4_unlock_group(sb, entry->group);
+		discard_block = (ext4_fsblk_t) entry->group * EXT4_BLOCKS_PER_GROUP(sb)
+			+ entry->start_blk
+			+ le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
+		trace_mark(ext4_discard_blocks, "dev %s blk %llu count %u", sb->s_id,
+			   (unsigned long long) discard_block, entry->count);
+		sb_issue_discard(sb, discard_block, entry->count);
 
 		kmem_cache_free(ext4_free_ext_cachep, entry);
 		ext4_mb_release_desc(&e4b);
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 9e815c4e37d..94cb7b9fe3e 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -18,6 +18,8 @@
 #include <linux/pagemap.h>
 #include <linux/seq_file.h>
 #include <linux/version.h>
+#include <linux/blkdev.h>
+#include <linux/marker.h>
 #include "ext4_jbd2.h"
 #include "ext4.h"
 #include "group.h"
-- 
GitLab


From af6f029d3836eb7264cd3fbb13a6baf0e5fdb5ea Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Tue, 14 Oct 2008 09:20:19 -0400
Subject: [PATCH 0569/2224] ext4: Use tag dirty lookup during
 mpage_da_submit_io

This enables us to drop the range_cont writeback mode
use from ext4_da_writepages.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 fs/ext4/inode.c | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9b4ec9decfd..4ee3f0692ee 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1656,17 +1656,23 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd)
 
 	while (index <= end) {
 		/* XXX: optimize tail */
-		nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE);
+		/*
+		 * We can use PAGECACHE_TAG_DIRTY lookup here because
+		 * even though we have cleared the dirty flag on the page
+		 * We still keep the page in the radix tree with tag
+		 * PAGECACHE_TAG_DIRTY. See clear_page_dirty_for_io.
+		 * The PAGECACHE_TAG_DIRTY is cleared in set_page_writeback
+		 * which is called via the below writepage callback.
+		 */
+		nr_pages = pagevec_lookup_tag(&pvec, mapping, &index,
+					PAGECACHE_TAG_DIRTY,
+					min(end - index,
+					(pgoff_t)PAGEVEC_SIZE-1) + 1);
 		if (nr_pages == 0)
 			break;
 		for (i = 0; i < nr_pages; i++) {
 			struct page *page = pvec.pages[i];
 
-			index = page->index;
-			if (index > end)
-				break;
-			index++;
-
 			err = mapping->a_ops->writepage(page, mpd->wbc);
 			if (!err)
 				mpd->pages_written++;
@@ -2361,7 +2367,6 @@ static int ext4_da_writepages(struct address_space *mapping,
 			      struct writeback_control *wbc)
 {
 	handle_t *handle = NULL;
-	loff_t range_start = 0;
 	struct mpage_da_data mpd;
 	struct inode *inode = mapping->host;
 	int needed_blocks, ret = 0, nr_to_writebump = 0;
@@ -2386,14 +2391,7 @@ static int ext4_da_writepages(struct address_space *mapping,
 		wbc->nr_to_write = sbi->s_mb_stream_request;
 	}
 
-	if (!wbc->range_cyclic)
-		/*
-		 * If range_cyclic is not set force range_cont
-		 * and save the old writeback_index
-		 */
-		wbc->range_cont = 1;
 
-	range_start =  wbc->range_start;
 	pages_skipped = wbc->pages_skipped;
 
 	mpd.wbc = wbc;
@@ -2452,9 +2450,8 @@ restart_loop:
 		wbc->nr_to_write = to_write;
 	}
 
-	if (wbc->range_cont && (pages_skipped != wbc->pages_skipped)) {
+	if (!wbc->range_cyclic && (pages_skipped != wbc->pages_skipped)) {
 		/* We skipped pages in this loop */
-		wbc->range_start = range_start;
 		wbc->nr_to_write = to_write +
 				wbc->pages_skipped - pages_skipped;
 		wbc->pages_skipped = pages_skipped;
@@ -2463,7 +2460,6 @@ restart_loop:
 
 out_writepages:
 	wbc->nr_to_write = to_write - nr_to_writebump;
-	wbc->range_start = range_start;
 	return ret;
 }
 
-- 
GitLab


From 74baaaaec8b4f22e1ae279f5ecca4ff705b28912 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Tue, 14 Oct 2008 09:21:02 -0400
Subject: [PATCH 0570/2224] vfs: Remove the range_cont writeback mode.

Ext4 was the only user of range_cont writeback mode and ext4 switched
to a different method. So remove the range_cont mode which is not used
in the kernel.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
CC: linux-fsdevel@vger.kernel.org
---
 include/linux/writeback.h | 1 -
 mm/page-writeback.c       | 2 --
 2 files changed, 3 deletions(-)

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 12b15c561a1..bd91987c065 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -63,7 +63,6 @@ struct writeback_control {
 	unsigned for_writepages:1;	/* This is a writepages() call */
 	unsigned range_cyclic:1;	/* range_start is cyclic */
 	unsigned more_io:1;		/* more io to be dispatched */
-	unsigned range_cont:1;
 };
 
 /*
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index c130a137c12..e373f14d26f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -961,8 +961,6 @@ retry:
 	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
 		mapping->writeback_index = index;
 
-	if (wbc->range_cont)
-		wbc->range_start = index << PAGE_CACHE_SHIFT;
 	return ret;
 }
 EXPORT_SYMBOL(write_cache_pages);
-- 
GitLab


From 2778d0d51dd5007c4909c1d9874f5e9097785a7a Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 14 Oct 2008 16:55:36 +0200
Subject: [PATCH 0571/2224] hrtimers: fix typo

Found by Thomas Gleixner.

This caused the lockups i've bisected back to the range-hrtimers tree.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/hrtimer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index eb2cf984959..2bd230be1cb 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1396,7 +1396,7 @@ void hrtimer_peek_ahead_timers(void)
 	struct tick_device *td;
 	struct clock_event_device *dev;
 
-	if (hrtimer_hres_active())
+	if (!hrtimer_hres_active())
 		return;
 
 	local_irq_save(flags);
-- 
GitLab


From 8dddfe192632361b62eee9c8320bc9feff57898b Mon Sep 17 00:00:00 2001
From: Pierre Ossman <drzeus@drzeus.cx>
Date: Tue, 14 Oct 2008 20:04:46 +0200
Subject: [PATCH 0572/2224] mmc_block: tell block layer there is no seek
 penalty

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
 drivers/mmc/card/queue.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 406989e992b..7a72e75d5c6 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -132,6 +132,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 
 	blk_queue_prep_rq(mq->queue, mmc_prep_request);
 	blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN, NULL);
+	queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue);
 
 #ifdef CONFIG_MMC_BLOCK_BOUNCE
 	if (host->max_hw_segs == 1) {
-- 
GitLab


From 528051746b24dd214883db11bcbb0e667f60447d Mon Sep 17 00:00:00 2001
From: Roland Dreier <rolandd@cisco.com>
Date: Tue, 14 Oct 2008 14:05:36 -0700
Subject: [PATCH 0573/2224] IB/mad: Use krealloc() to resize snoop table

Use krealloc() instead of kmalloc() followed by memcpy() when resizing
the MAD module's snoop table.

Also put parentheses around the new table size to avoid calculating
the wrong size to allocate, which fixes a bug pointed out by Haven
Hash <haven.hash@isilon.com>.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/core/mad.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 49c45feccd5..5c54fc2350b 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -406,19 +406,15 @@ static int register_snoop_agent(struct ib_mad_qp_info *qp_info,
 
 	if (i == qp_info->snoop_table_size) {
 		/* Grow table. */
-		new_snoop_table = kmalloc(sizeof mad_snoop_priv *
-					  qp_info->snoop_table_size + 1,
-					  GFP_ATOMIC);
+		new_snoop_table = krealloc(qp_info->snoop_table,
+					   sizeof mad_snoop_priv *
+					   (qp_info->snoop_table_size + 1),
+					   GFP_ATOMIC);
 		if (!new_snoop_table) {
 			i = -ENOMEM;
 			goto out;
 		}
-		if (qp_info->snoop_table) {
-			memcpy(new_snoop_table, qp_info->snoop_table,
-			       sizeof mad_snoop_priv *
-			       qp_info->snoop_table_size);
-			kfree(qp_info->snoop_table);
-		}
+
 		qp_info->snoop_table = new_snoop_table;
 		qp_info->snoop_table_size++;
 	}
-- 
GitLab


From 14ac12de07112e727c161644798415368dc4b343 Mon Sep 17 00:00:00 2001
From: "Robert P. J. Day" <rpjday@crashcourse.ca>
Date: Wed, 30 Jul 2008 12:48:53 -0700
Subject: [PATCH 0574/2224] XTENSA: warn about including <asm/rwsem.h>
 directly.

For consistency with other architectures, warn about including
<asm-xtensa/rwsem.h> directly.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Zankel <chris@zankel.net>
---
 include/asm-xtensa/rwsem.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/asm-xtensa/rwsem.h b/include/asm-xtensa/rwsem.h
index 0aad3a58755..e39edf5c86f 100644
--- a/include/asm-xtensa/rwsem.h
+++ b/include/asm-xtensa/rwsem.h
@@ -13,6 +13,10 @@
 #ifndef _XTENSA_RWSEM_H
 #define _XTENSA_RWSEM_H
 
+#ifndef _LINUX_RWSEM_H
+#error "Please don't include <asm/rwsem.h> directly, use <linux/rwsem.h> instead."
+#endif
+
 #include <linux/list.h>
 #include <linux/spinlock.h>
 #include <asm/atomic.h>
-- 
GitLab


From ef9c2f04dbeef3bf8ffcb43aeb5d8738f4141718 Mon Sep 17 00:00:00 2001
From: "Robert P. J. Day" <rpjday@crashcourse.ca>
Date: Wed, 30 Jul 2008 12:48:55 -0700
Subject: [PATCH 0575/2224] xtensa: use newer __SPIN_LOCK_UNLOCKED macro

SPIN_LOCK_UNLOCKED() breaks lockdep and is deprecated.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Zankel <chris@zankel.net>
---
 arch/xtensa/platforms/iss/network.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index a2e25221742..11a20adc140 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -640,7 +640,7 @@ static int iss_net_configure(int index, char *init)
 	*lp = ((struct iss_net_private) {
 		.device_list		= LIST_HEAD_INIT(lp->device_list),
 		.opened_list		= LIST_HEAD_INIT(lp->opened_list),
-		.lock			= SPIN_LOCK_UNLOCKED,
+		.lock			= __SPIN_LOCK_UNLOCKED(lp.lock),
 		.dev			= dev,
 		.index			= index,
 		//.fd                   = -1,
-- 
GitLab


From 1b532c6ced5417ef18d5c10e5bc5e0ae21eb81c4 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Wed, 30 Jul 2008 12:48:54 -0700
Subject: [PATCH 0576/2224] xtensa: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Zankel <chris@zankel.net>
---
 arch/xtensa/kernel/irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index c9ea73b7031..5fbcde59a92 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -48,7 +48,7 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
 
 	if (irq >= NR_IRQS) {
 		printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
-				__FUNCTION__, irq);
+				__func__, irq);
 	}
 
 	irq_enter();
-- 
GitLab


From 7c2500f17d65092d93345f3996cf82ebca17e9ff Mon Sep 17 00:00:00 2001
From: Wim Van Sebroeck <wim@iguana.be>
Date: Wed, 15 Oct 2008 08:53:06 +0000
Subject: [PATCH 0577/2224] [WATCHDOG] ib700wdt.c - fix buffer_underflow bug

This fixes Bug 11399:
if ibwdt_set_heartbeat(int t) is called with value 30 then
the check "if ((t < 0) || (t > 30))" in ibwdt_set_heartbeat
is not going to fail because t == 30, but in the loop, the
check wd_times[i] > t is never going to be true because
none of the wd_times are greater than the value of t (i.e. 30).
So we are exiting the loop with i == -1 and therefore setting
wd_margin to -1 which is wrong.

Reported-by: Zvonimir Rakamaric <zrakamar@cs.ubc.ca>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
 drivers/watchdog/ib700wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/ib700wdt.c b/drivers/watchdog/ib700wdt.c
index 05a28106e8e..8782ec1f5aa 100644
--- a/drivers/watchdog/ib700wdt.c
+++ b/drivers/watchdog/ib700wdt.c
@@ -154,7 +154,7 @@ static int ibwdt_set_heartbeat(int t)
 		return -EINVAL;
 
 	for (i = 0x0F; i > -1; i--)
-		if (wd_times[i] > t)
+		if (wd_times[i] >= t)
 			break;
 	wd_margin = i;
 	return 0;
-- 
GitLab


From 4c393e6e457fb41169dd110c1b96a138394c2d7b Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Mon, 13 Oct 2008 15:20:06 -0400
Subject: [PATCH 0578/2224] [SCSI] sd: fix compile failure with
 CONFIG_BLK_DEV_INTEGRITY=n

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd.h | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index a92b991d98a..75638e7d3f6 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -97,7 +97,7 @@ struct sd_dif_tuple {
        __be32 ref_tag;		/* Target LBA or indirect LBA */
 };
 
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
+#ifdef CONFIG_BLK_DEV_INTEGRITY
 
 extern void sd_dif_op(struct scsi_cmnd *, unsigned int, unsigned int, unsigned int);
 extern void sd_dif_config_host(struct scsi_disk *);
@@ -106,10 +106,19 @@ extern void sd_dif_complete(struct scsi_cmnd *, unsigned int);
 
 #else /* CONFIG_BLK_DEV_INTEGRITY */
 
-#define sd_dif_op(a, b, c)			do { } while (0)
-#define sd_dif_config_host(a)			do { } while (0)
-#define sd_dif_prepare(a, b, c)			(0)
-#define sd_dif_complete(a, b)			(0)
+static inline void sd_dif_op(struct scsi_cmnd *cmd, unsigned int a, unsigned int b, unsigned int c)
+{
+}
+static inline void sd_dif_config_host(struct scsi_disk *disk)
+{
+}
+static inline int sd_dif_prepare(struct request *rq, sector_t s, unsigned int a)
+{
+	return 0;
+}
+static inline void sd_dif_complete(struct scsi_cmnd *cmd, unsigned int a)
+{
+}
 
 #endif /* CONFIG_BLK_DEV_INTEGRITY */
 
-- 
GitLab


From 45c16cd9287819cf1c870f2d8e7738c4c90512ca Mon Sep 17 00:00:00 2001
From: David Vrabel <dv02@dv02pc01.europe.root.pri>
Date: Wed, 15 Oct 2008 14:41:56 +0100
Subject: [PATCH 0579/2224] uwb: use time_after() when purging stale beacons

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/beacon.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c
index f65a52c0afa..1ccf9eb3e08 100644
--- a/drivers/uwb/beacon.c
+++ b/drivers/uwb/beacon.c
@@ -298,11 +298,12 @@ struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *be,
 void uwb_beca_purge(void)
 {
 	struct uwb_beca_e *bce, *next;
-	unsigned long now = jiffies;
+	unsigned long expires;
+
 	mutex_lock(&uwb_beca.mutex);
 	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
-		if (now - bce->ts_jiffies
-		    > msecs_to_jiffies(beacon_timeout_ms)) {
+		expires = bce->ts_jiffies + msecs_to_jiffies(beacon_timeout_ms);
+		if (time_after(jiffies, expires)) {
 			uwbd_dev_offair(bce);
 			list_del(&bce->node);
 			uwb_bce_put(bce);
-- 
GitLab


From 92c4d9bd1648b3eaca6b8b8f8932eec390ba7327 Mon Sep 17 00:00:00 2001
From: David Vrabel <dv02@dv02pc01.europe.root.pri>
Date: Wed, 15 Oct 2008 14:50:10 +0100
Subject: [PATCH 0580/2224] uwb: use kcalloc where appropriate

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/mmc.c     | 2 +-
 drivers/usb/wusbcore/wa-xfer.c | 2 +-
 drivers/uwb/lc-dev.c           | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c
index e5390b77aaa..76907286f15 100644
--- a/drivers/usb/wusbcore/mmc.c
+++ b/drivers/usb/wusbcore/mmc.c
@@ -43,7 +43,7 @@
 int wusbhc_mmcie_create(struct wusbhc *wusbhc)
 {
 	u8 mmcies = wusbhc->mmcies_max;
-	wusbhc->mmcie = kzalloc(mmcies * sizeof(wusbhc->mmcie[0]), GFP_KERNEL);
+	wusbhc->mmcie = kcalloc(mmcies, sizeof(wusbhc->mmcie[0]), GFP_KERNEL);
 	if (wusbhc->mmcie == NULL)
 		return -ENOMEM;
 	mutex_init(&wusbhc->mmcie_mutex);
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 7d192f3e674..c038635d1c6 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -674,7 +674,7 @@ static int __wa_xfer_setup_segs(struct wa_xfer *xfer, size_t xfer_hdr_size)
 	size_t buf_itr, buf_size, buf_itr_size;
 
 	result = -ENOMEM;
-	xfer->seg = kzalloc(xfer->segs * sizeof(xfer->seg[0]), GFP_ATOMIC);
+	xfer->seg = kcalloc(xfer->segs, sizeof(xfer->seg[0]), GFP_ATOMIC);
 	if (xfer->seg == NULL)
 		goto error_segs_kzalloc;
 	buf_itr = 0;
diff --git a/drivers/uwb/lc-dev.c b/drivers/uwb/lc-dev.c
index a6cb8ad731a..15f856c9689 100644
--- a/drivers/uwb/lc-dev.c
+++ b/drivers/uwb/lc-dev.c
@@ -443,7 +443,7 @@ void uwbd_dev_onair(struct uwb_rc *rc, struct uwb_beca_e *bce)
 
 	uwb_mac_addr_print(macbuf, sizeof(macbuf), bce->mac_addr);
 	uwb_dev_addr_print(devbuf, sizeof(devbuf), &bce->dev_addr);
-	uwb_dev = kcalloc(1, sizeof(*uwb_dev), GFP_KERNEL);
+	uwb_dev = kzalloc(sizeof(struct uwb_dev), GFP_KERNEL);
 	if (uwb_dev == NULL) {
 		dev_err(dev, "new device %s: Cannot allocate memory\n",
 			macbuf);
-- 
GitLab


From 40b8606253552109815786e5d4b0de98782d31f5 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 15 Oct 2008 14:20:28 +1100
Subject: [PATCH 0581/2224] DECLARE_PER_CPU needs linux/percpu.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
 include/linux/hrtimer.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 508ce20b8f9..1e6f731381d 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -20,6 +20,8 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/wait.h>
+#include <linux/percpu.h>
+
 
 struct hrtimer_clock_base;
 struct hrtimer_cpu_base;
-- 
GitLab


From 9c2e7e40bf85684eebc019e915c39c4c07c734fa Mon Sep 17 00:00:00 2001
From: "ben@fluff.org.uk" <ben@fluff.org.uk>
Date: Wed, 15 Oct 2008 00:17:15 +0100
Subject: [PATCH 0582/2224] s3cmci: Make general protocol errors less noisy

General errors, such as timeouts during probe do not need to
be sent to the console, so move them down to be included if the
debug is enabled.

Such errors include:
s3c2440-sdi s3c2440-sdi: s3cmci_request: no medium present

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
 drivers/mmc/host/s3cmci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index ae16d845d74..2af63063991 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -39,9 +39,9 @@ enum dbg_channels {
 	dbg_conf  = (1 << 8),
 };
 
-static const int dbgmap_err   = dbg_err | dbg_fail;
+static const int dbgmap_err   = dbg_fail;
 static const int dbgmap_info  = dbg_info | dbg_conf;
-static const int dbgmap_debug = dbg_debug;
+static const int dbgmap_debug = dbg_err | dbg_debug;
 
 #define dbg(host, channels, args...)		  \
 	do {					  \
-- 
GitLab


From f87e6d00fbd367f2d61fd600b5f8bd6e39d63f3f Mon Sep 17 00:00:00 2001
From: "ben@fluff.org.uk" <ben@fluff.org.uk>
Date: Wed, 15 Oct 2008 00:17:16 +0100
Subject: [PATCH 0583/2224] s3cmci: cpufreq support

Support for cpu frequency changing.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
 drivers/mmc/host/s3cmci.c | 111 +++++++++++++++++++++++++++++++-------
 drivers/mmc/host/s3cmci.h |   4 ++
 2 files changed, 96 insertions(+), 19 deletions(-)

diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 2af63063991..a73ffb9d7b2 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -13,6 +13,7 @@
 #include <linux/clk.h>
 #include <linux/mmc/host.h>
 #include <linux/platform_device.h>
+#include <linux/cpufreq.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 
@@ -1033,10 +1034,33 @@ static void s3cmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		s3cmci_send_request(mmc);
 }
 
+static void s3cmci_set_clk(struct s3cmci_host *host, struct mmc_ios *ios)
+{
+	u32 mci_psc;
+
+	/* Set clock */
+	for (mci_psc = 0; mci_psc < 255; mci_psc++) {
+		host->real_rate = host->clk_rate / (host->clk_div*(mci_psc+1));
+
+		if (host->real_rate <= ios->clock)
+			break;
+	}
+
+	if (mci_psc > 255)
+		mci_psc = 255;
+
+	host->prescaler = mci_psc;
+	writel(host->prescaler, host->base + S3C2410_SDIPRE);
+
+	/* If requested clock is 0, real_rate will be 0, too */
+	if (ios->clock == 0)
+		host->real_rate = 0;
+}
+
 static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
 	struct s3cmci_host *host = mmc_priv(mmc);
-	u32 mci_psc, mci_con;
+	u32 mci_con;
 
 	/* Set the power state */
 
@@ -1074,23 +1098,7 @@ static void s3cmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		break;
 	}
 
-	/* Set clock */
-	for (mci_psc = 0; mci_psc < 255; mci_psc++) {
-		host->real_rate = host->clk_rate / (host->clk_div*(mci_psc+1));
-
-		if (host->real_rate <= ios->clock)
-			break;
-	}
-
-	if (mci_psc > 255)
-		mci_psc = 255;
-
-	host->prescaler = mci_psc;
-	writel(host->prescaler, host->base + S3C2410_SDIPRE);
-
-	/* If requested clock is 0, real_rate will be 0, too */
-	if (ios->clock == 0)
-		host->real_rate = 0;
+	s3cmci_set_clk(host, ios);
 
 	/* Set CLOCK_ENABLE */
 	if (ios->clock)
@@ -1148,6 +1156,61 @@ static struct s3c24xx_mci_pdata s3cmci_def_pdata = {
 	 * checks. Any zero fields to ensure reaonable defaults are picked. */
 };
 
+#ifdef CONFIG_CPU_FREQ
+
+static int s3cmci_cpufreq_transition(struct notifier_block *nb,
+				     unsigned long val, void *data)
+{
+	struct s3cmci_host *host;
+	struct mmc_host *mmc;
+	unsigned long newclk;
+	unsigned long flags;
+
+	host = container_of(nb, struct s3cmci_host, freq_transition);
+	newclk = clk_get_rate(host->clk);
+	mmc = host->mmc;
+
+	if ((val == CPUFREQ_PRECHANGE && newclk > host->clk_rate) ||
+	    (val == CPUFREQ_POSTCHANGE && newclk < host->clk_rate)) {
+		spin_lock_irqsave(&mmc->lock, flags);
+
+		host->clk_rate = newclk;
+
+		if (mmc->ios.power_mode != MMC_POWER_OFF &&
+		    mmc->ios.clock != 0)
+			s3cmci_set_clk(host, &mmc->ios);
+
+		spin_unlock_irqrestore(&mmc->lock, flags);
+	}
+
+	return 0;
+}
+
+static inline int s3cmci_cpufreq_register(struct s3cmci_host *host)
+{
+	host->freq_transition.notifier_call = s3cmci_cpufreq_transition;
+
+	return cpufreq_register_notifier(&host->freq_transition,
+					 CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+static inline void s3cmci_cpufreq_deregister(struct s3cmci_host *host)
+{
+	cpufreq_unregister_notifier(&host->freq_transition,
+				    CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+#else
+static inline int s3cmci_cpufreq_register(struct s3cmci_host *host)
+{
+	return 0;
+}
+
+static inline void s3cmci_cpufreq_deregister(struct s3cmci_host *host)
+{
+}
+#endif
+
 static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440)
 {
 	struct s3cmci_host *host;
@@ -1298,10 +1361,16 @@ static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440)
 	    (host->is2440?"2440":""),
 	    host->base, host->irq, host->irq_cd, host->dma);
 
+	ret = s3cmci_cpufreq_register(host);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to register cpufreq\n");
+		goto free_dmabuf;
+	}
+
 	ret = mmc_add_host(mmc);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to add mmc host.\n");
-		goto free_dmabuf;
+		goto free_cpufreq;
 	}
 
 	platform_set_drvdata(pdev, mmc);
@@ -1309,6 +1378,9 @@ static int __devinit s3cmci_probe(struct platform_device *pdev, int is2440)
 
 	return 0;
 
+ free_cpufreq:
+	s3cmci_cpufreq_deregister(host);
+
  free_dmabuf:
 	clk_disable(host->clk);
 
@@ -1342,6 +1414,7 @@ static void s3cmci_shutdown(struct platform_device *pdev)
 	if (host->irq_cd >= 0)
 		free_irq(host->irq_cd, host);
 
+	s3cmci_cpufreq_deregister(host);
 	mmc_remove_host(mmc);
 	clk_disable(host->clk);
 }
diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h
index 37d9c60010c..7e39109587f 100644
--- a/drivers/mmc/host/s3cmci.h
+++ b/drivers/mmc/host/s3cmci.h
@@ -67,4 +67,8 @@ struct s3cmci_host {
 
 	unsigned int		ccnt, dcnt;
 	struct tasklet_struct	pio_tasklet;
+
+#ifdef CONFIG_CPU_FREQ
+	struct notifier_block	freq_transition;
+#endif
 };
-- 
GitLab


From 088a78af978d0c8e339071a9b2bca1f4cb368f30 Mon Sep 17 00:00:00 2001
From: Christer Weinigel <christer@weinigel.se>
Date: Wed, 15 Oct 2008 00:17:17 +0100
Subject: [PATCH 0584/2224] s3cmci: Support transfers which are not multiple of
 32 bits.

To be able to do SDIO the s3cmci driver has to support non-word-sized
transfers.  Change pio_words into pio_bytes and fix up all the places
where it is used.

This variant of the patch will not overrun the buffer when reading an
odd number of bytes.  When writing, this variant will still read past
the end of the buffer, but since the driver can't support non-word-
aligned transfers anyway, this should not be a problem, since a
word-aligned transfer will never cross a page boundary.

This has been tested with a CSR SDIO Bluetooth Type A device on a
Samsung S3C24A0 processor.

Signed-off-by: Christer Weinigel <christer@weinigel.se>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
 drivers/mmc/host/s3cmci.c | 80 ++++++++++++++++++++++++++-------------
 drivers/mmc/host/s3cmci.h |  2 +-
 2 files changed, 54 insertions(+), 28 deletions(-)

diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index a73ffb9d7b2..bb412331e3d 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -190,7 +190,7 @@ static inline void clear_imask(struct s3cmci_host *host)
 }
 
 static inline int get_data_buffer(struct s3cmci_host *host,
-				  u32 *words, u32 **pointer)
+				  u32 *bytes, u32 **pointer)
 {
 	struct scatterlist *sg;
 
@@ -207,7 +207,7 @@ static inline int get_data_buffer(struct s3cmci_host *host,
 	}
 	sg = &host->mrq->data->sg[host->pio_sgptr];
 
-	*words = sg->length >> 2;
+	*bytes = sg->length;
 	*pointer = sg_virt(sg);
 
 	host->pio_sgptr++;
@@ -223,7 +223,7 @@ static inline u32 fifo_count(struct s3cmci_host *host)
 	u32 fifostat = readl(host->base + S3C2410_SDIFSTA);
 
 	fifostat &= S3C2410_SDIFSTA_COUNTMASK;
-	return fifostat >> 2;
+	return fifostat;
 }
 
 static inline u32 fifo_free(struct s3cmci_host *host)
@@ -231,13 +231,14 @@ static inline u32 fifo_free(struct s3cmci_host *host)
 	u32 fifostat = readl(host->base + S3C2410_SDIFSTA);
 
 	fifostat &= S3C2410_SDIFSTA_COUNTMASK;
-	return (63 - fifostat) >> 2;
+	return 63 - fifostat;
 }
 
 static void do_pio_read(struct s3cmci_host *host)
 {
 	int res;
 	u32 fifo;
+	u32 fifo_words;
 	void __iomem *from_ptr;
 
 	/* write real prescaler to host, it might be set slow to fix */
@@ -246,8 +247,8 @@ static void do_pio_read(struct s3cmci_host *host)
 	from_ptr = host->base + host->sdidata;
 
 	while ((fifo = fifo_count(host))) {
-		if (!host->pio_words) {
-			res = get_data_buffer(host, &host->pio_words,
+		if (!host->pio_bytes) {
+			res = get_data_buffer(host, &host->pio_bytes,
 					      &host->pio_ptr);
 			if (res) {
 				host->pio_active = XFER_NONE;
@@ -260,26 +261,45 @@ static void do_pio_read(struct s3cmci_host *host)
 
 			dbg(host, dbg_pio,
 			    "pio_read(): new target: [%i]@[%p]\n",
-			    host->pio_words, host->pio_ptr);
+			    host->pio_bytes, host->pio_ptr);
 		}
 
 		dbg(host, dbg_pio,
 		    "pio_read(): fifo:[%02i] buffer:[%03i] dcnt:[%08X]\n",
-		    fifo, host->pio_words,
+		    fifo, host->pio_bytes,
 		    readl(host->base + S3C2410_SDIDCNT));
 
-		if (fifo > host->pio_words)
-			fifo = host->pio_words;
+		/* If we have reached the end of the block, we can
+		 * read a word and get 1 to 3 bytes.  If we in the
+		 * middle of the block, we have to read full words,
+		 * otherwise we will write garbage, so round down to
+		 * an even multiple of 4. */
+		if (fifo >= host->pio_bytes)
+			fifo = host->pio_bytes;
+		else
+			fifo -= fifo & 3;
 
-		host->pio_words -= fifo;
+		host->pio_bytes -= fifo;
 		host->pio_count += fifo;
 
-		while (fifo--)
+		fifo_words = fifo >> 2;
+		while (fifo_words--)
 			*(host->pio_ptr++) = readl(from_ptr);
+
+		if (fifo & 3) {
+			u32 n = fifo & 3;
+			u32 data = readl(from_ptr);
+			u8 *p = (u8 *)host->pio_ptr;
+
+			while (n--) {
+				*p++ = data;
+				data >>= 8;
+			}
+		}
 	}
 
-	if (!host->pio_words) {
-		res = get_data_buffer(host, &host->pio_words, &host->pio_ptr);
+	if (!host->pio_bytes) {
+		res = get_data_buffer(host, &host->pio_bytes, &host->pio_ptr);
 		if (res) {
 			dbg(host, dbg_pio,
 			    "pio_read(): complete (no more buffers).\n");
@@ -303,8 +323,8 @@ static void do_pio_write(struct s3cmci_host *host)
 	to_ptr = host->base + host->sdidata;
 
 	while ((fifo = fifo_free(host))) {
-		if (!host->pio_words) {
-			res = get_data_buffer(host, &host->pio_words,
+		if (!host->pio_bytes) {
+			res = get_data_buffer(host, &host->pio_bytes,
 							&host->pio_ptr);
 			if (res) {
 				dbg(host, dbg_pio,
@@ -316,16 +336,23 @@ static void do_pio_write(struct s3cmci_host *host)
 
 			dbg(host, dbg_pio,
 			    "pio_write(): new source: [%i]@[%p]\n",
-			    host->pio_words, host->pio_ptr);
+			    host->pio_bytes, host->pio_ptr);
 
 		}
 
-		if (fifo > host->pio_words)
-			fifo = host->pio_words;
+		/* If we have reached the end of the block, we have to
+		 * write exactly the remaining number of bytes.  If we
+		 * in the middle of the block, we have to write full
+		 * words, so round down to an even multiple of 4. */
+		if (fifo >= host->pio_bytes)
+			fifo = host->pio_bytes;
+		else
+			fifo -= fifo & 3;
 
-		host->pio_words -= fifo;
+		host->pio_bytes -= fifo;
 		host->pio_count += fifo;
 
+		fifo = (fifo + 3) >> 2;
 		while (fifo--)
 			writel(*(host->pio_ptr++), to_ptr);
 	}
@@ -350,9 +377,9 @@ static void pio_tasklet(unsigned long data)
 		clear_imask(host);
 		if (host->pio_active != XFER_NONE) {
 			dbg(host, dbg_err, "unfinished %s "
-			    "- pio_count:[%u] pio_words:[%u]\n",
+			    "- pio_count:[%u] pio_bytes:[%u]\n",
 			    (host->pio_active == XFER_READ) ? "read" : "write",
-			    host->pio_count, host->pio_words);
+			    host->pio_count, host->pio_bytes);
 
 			if (host->mrq->data)
 				host->mrq->data->error = -EINVAL;
@@ -813,11 +840,10 @@ static int s3cmci_setup_data(struct s3cmci_host *host, struct mmc_data *data)
 		/* We cannot deal with unaligned blocks with more than
 		 * one block being transfered. */
 
-		if (data->blocks > 1)
+		if (data->blocks > 1) {
+			pr_warning("%s: can't do non-word sized block transfers (blksz %d)\n", __func__, data->blksz);
 			return -EINVAL;
-
-		/* No support yet for non-word block transfers. */
-		return -EINVAL;
+		}
 	}
 
 	while (readl(host->base + S3C2410_SDIDSTA) &
@@ -897,7 +923,7 @@ static int s3cmci_prepare_pio(struct s3cmci_host *host, struct mmc_data *data)
 	BUG_ON((data->flags & BOTH_DIR) == BOTH_DIR);
 
 	host->pio_sgptr = 0;
-	host->pio_words = 0;
+	host->pio_bytes = 0;
 	host->pio_count = 0;
 	host->pio_active = rw ? XFER_WRITE : XFER_READ;
 
diff --git a/drivers/mmc/host/s3cmci.h b/drivers/mmc/host/s3cmci.h
index 7e39109587f..ca1ba3d58cf 100644
--- a/drivers/mmc/host/s3cmci.h
+++ b/drivers/mmc/host/s3cmci.h
@@ -51,7 +51,7 @@ struct s3cmci_host {
 	int			dma_complete;
 
 	u32			pio_sgptr;
-	u32			pio_words;
+	u32			pio_bytes;
 	u32			pio_count;
 	u32			*pio_ptr;
 #define XFER_NONE 0
-- 
GitLab


From 18280fff663b8ba57e349a81b999604bc1106926 Mon Sep 17 00:00:00 2001
From: "ben@fluff.org.uk" <ben@fluff.org.uk>
Date: Wed, 15 Oct 2008 00:17:18 +0100
Subject: [PATCH 0585/2224] s3cmci: fix continual accesses to host->pio_ptr

The s3cmci driver uses the host->pio_ptr field to
point to the current position into the buffer for data
transfer. During the transfers it does the following:

	while (fifo_words--)
		*(host->pio_ptr++) = readl(from_ptr);

This is inefficent, as host->pio_ptr is not used in any
other part of the transfer but the compiler emits code
which does the following:

	while (fifo_words--) {
		u32 *ptr = host->pio_ptr;
		*ptr = readl(from_ptr);
		ptr++;
		host->pio_ptr = ptr;
	}

This is obviously a waste of a load and store each time
around the loop, which could be up to 16 times depending
on how much needs to be transfered.

Move the ptr accesses to outside the while loop so that
we do not end up reloading/re-writing the pointer.

Note, this seems to make the code 16 bytes larger.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
 drivers/mmc/host/s3cmci.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index bb412331e3d..5211d90d34e 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -238,6 +238,7 @@ static void do_pio_read(struct s3cmci_host *host)
 {
 	int res;
 	u32 fifo;
+	u32 *ptr;
 	u32 fifo_words;
 	void __iomem *from_ptr;
 
@@ -283,8 +284,10 @@ static void do_pio_read(struct s3cmci_host *host)
 		host->pio_count += fifo;
 
 		fifo_words = fifo >> 2;
+		ptr = host->pio_ptr;
 		while (fifo_words--)
-			*(host->pio_ptr++) = readl(from_ptr);
+			*ptr++ = readl(from_ptr);
+		host->pio_ptr = ptr;
 
 		if (fifo & 3) {
 			u32 n = fifo & 3;
@@ -319,6 +322,7 @@ static void do_pio_write(struct s3cmci_host *host)
 	void __iomem *to_ptr;
 	int res;
 	u32 fifo;
+	u32 *ptr;
 
 	to_ptr = host->base + host->sdidata;
 
@@ -353,8 +357,10 @@ static void do_pio_write(struct s3cmci_host *host)
 		host->pio_count += fifo;
 
 		fifo = (fifo + 3) >> 2;
+		ptr = host->pio_ptr;
 		while (fifo--)
-			writel(*(host->pio_ptr++), to_ptr);
+			writel(*ptr++, to_ptr);
+		host->pio_ptr = ptr;
 	}
 
 	enable_imask(host, S3C2410_SDIIMSK_TXFIFOHALF);
-- 
GitLab


From 08c55e22df26ef1ae8cbe53fbca42476f18a8fdb Mon Sep 17 00:00:00 2001
From: "ben@fluff.org.uk" <ben@fluff.org.uk>
Date: Wed, 15 Oct 2008 00:17:19 +0100
Subject: [PATCH 0586/2224] s3cmci: Add Ben Dooks/Simtec Electronics to header
 & copyright

Since the original authour (Thomas Kleffel) has been too busy to
merge the s3cmci driver and keep it up to date, I (mostly as part
of my role with Simtec Electronics) got the driver to a mergable
state and have been maintaining it since I think that I should
be added to the header. Also add a copyright statement for the
new work.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
---
 drivers/mmc/host/s3cmci.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 5211d90d34e..3b2085b5776 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -3,6 +3,9 @@
  *
  *  Copyright (C) 2004-2006 maintech GmbH, Thomas Kleffel <tk@maintech.de>
  *
+ * Current driver maintained by Ben Dooks and Simtec Electronics
+ *  Copyright (C) 2008 Simtec Electronics <ben-linux@fluff.org>
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -1560,7 +1563,7 @@ module_exit(s3cmci_exit);
 
 MODULE_DESCRIPTION("Samsung S3C MMC/SD Card Interface driver");
 MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Thomas Kleffel <tk@maintech.de>");
+MODULE_AUTHOR("Thomas Kleffel <tk@maintech.de>, Ben Dooks <ben-linux@fluff.org>");
 MODULE_ALIAS("platform:s3c2410-sdi");
 MODULE_ALIAS("platform:s3c2412-sdi");
 MODULE_ALIAS("platform:s3c2440-sdi");
-- 
GitLab


From 40847993d881050cbfa7184db33603165ba84fa1 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Wed, 15 Oct 2008 11:09:59 -0600
Subject: [PATCH 0587/2224] powerpc/52xx: Make cuImage more robust in locating
 immr node.

Current device trees do not have the device_type = soc property set
anymore.  Fix up the cuImage bootwrapper fragment to still find the IMMR
nodes.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/powerpc/boot/cuboot-52xx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/boot/cuboot-52xx.c b/arch/powerpc/boot/cuboot-52xx.c
index a8611546a65..4c42ec8687b 100644
--- a/arch/powerpc/boot/cuboot-52xx.c
+++ b/arch/powerpc/boot/cuboot-52xx.c
@@ -37,6 +37,10 @@ static void platform_fixups(void)
 	 * this can do a simple path lookup.
 	 */
 	soc = find_node_by_devtype(NULL, "soc");
+	if (!soc)
+		soc = find_node_by_compatible(NULL, "fsl,mpc5200-immr");
+	if (!soc)
+		soc = find_node_by_compatible(NULL, "fsl,mpc5200b-immr");
 	if (soc) {
 		setprop(soc, "bus-frequency", &bd.bi_ipbfreq,
 			sizeof(bd.bi_ipbfreq));
-- 
GitLab


From 9629095761b64636356c132f0228ed780ebb97e8 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Wed, 15 Oct 2008 11:09:59 -0600
Subject: [PATCH 0588/2224] powerpc/mpc5200: Don't touch pipelining for
 MPC5200B

MPC5200 needs to have pipelining disabled for ATA to work. MPC5200B does not.
So, for the latter, don't touch the original setting from the bootloader.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 arch/powerpc/platforms/52xx/mpc52xx_common.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 044b4e6e874..ae7c34f37e1 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -99,11 +99,14 @@ mpc5200_setup_xlb_arbiter(void)
 	out_be32(&xlb->master_pri_enable, 0xff);
 	out_be32(&xlb->master_priority, 0x11111111);
 
-	/* Disable XLB pipelining
+	/*
+	 * Disable XLB pipelining
 	 * (cfr errate 292. We could do this only just before ATA PIO
 	 *  transaction and re-enable it afterwards ...)
+	 * Not needed on MPC5200B.
 	 */
-	out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
+	if ((mfspr(SPRN_SVR) & MPC5200_SVR_MASK) == MPC5200_SVR)
+		out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
 
 	iounmap(xlb);
 }
-- 
GitLab


From 51d9861e9e09c5c0066e5e5d9bb0009be1957899 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Wed, 15 Oct 2008 11:10:00 -0600
Subject: [PATCH 0589/2224] powerpc/mpc5200: Refactor FEC mdio read/write
 routines

Read & write functions now call a generic transfer function, so identical
code in both routines could be eliminated. The result is easier to maintain
and smaller in source and binary code. Also, fix some checkpatch warnings.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---
 drivers/net/fec_mpc52xx_phy.c | 55 ++++++++++++++---------------------
 1 file changed, 22 insertions(+), 33 deletions(-)

diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c
index 08e18bcb970..45dd9bdc5d6 100644
--- a/drivers/net/fec_mpc52xx_phy.c
+++ b/drivers/net/fec_mpc52xx_phy.c
@@ -2,6 +2,7 @@
  * Driver for the MPC5200 Fast Ethernet Controller - MDIO bus driver
  *
  * Copyright (C) 2007  Domen Puncer, Telargo, Inc.
+ * Copyright (C) 2008  Wolfram Sang, Pengutronix
  *
  * This file is licensed under the terms of the GNU General Public License
  * version 2. This program is licensed "as is" without any warranty of any
@@ -21,58 +22,45 @@ struct mpc52xx_fec_mdio_priv {
 	struct mpc52xx_fec __iomem *regs;
 };
 
-static int mpc52xx_fec_mdio_read(struct mii_bus *bus, int phy_id, int reg)
+static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id,
+		int reg, u32 value)
 {
 	struct mpc52xx_fec_mdio_priv *priv = bus->priv;
 	struct mpc52xx_fec __iomem *fec;
 	int tries = 100;
-	u32 request = FEC_MII_READ_FRAME;
+
+	value |= (phy_id << FEC_MII_DATA_PA_SHIFT) & FEC_MII_DATA_PA_MSK;
+	value |= (reg << FEC_MII_DATA_RA_SHIFT) & FEC_MII_DATA_RA_MSK;
 
 	fec = priv->regs;
 	out_be32(&fec->ievent, FEC_IEVENT_MII);
-
-	request |= (phy_id << FEC_MII_DATA_PA_SHIFT) & FEC_MII_DATA_PA_MSK;
-	request |= (reg << FEC_MII_DATA_RA_SHIFT) & FEC_MII_DATA_RA_MSK;
-
-	out_be32(&priv->regs->mii_data, request);
+	out_be32(&priv->regs->mii_data, value);
 
 	/* wait for it to finish, this takes about 23 us on lite5200b */
 	while (!(in_be32(&fec->ievent) & FEC_IEVENT_MII) && --tries)
 		udelay(5);
 
-	if (tries == 0)
+	if (!tries)
 		return -ETIMEDOUT;
 
-	return in_be32(&priv->regs->mii_data) & FEC_MII_DATA_DATAMSK;
+	return value & FEC_MII_DATA_OP_RD ?
+		in_be32(&priv->regs->mii_data) & FEC_MII_DATA_DATAMSK : 0;
 }
 
-static int mpc52xx_fec_mdio_write(struct mii_bus *bus, int phy_id, int reg, u16 data)
+static int mpc52xx_fec_mdio_read(struct mii_bus *bus, int phy_id, int reg)
 {
-	struct mpc52xx_fec_mdio_priv *priv = bus->priv;
-	struct mpc52xx_fec __iomem *fec;
-	u32 value = data;
-	int tries = 100;
-
-	fec = priv->regs;
-	out_be32(&fec->ievent, FEC_IEVENT_MII);
-
-	value |= FEC_MII_WRITE_FRAME;
-	value |= (phy_id << FEC_MII_DATA_PA_SHIFT) & FEC_MII_DATA_PA_MSK;
-	value |= (reg << FEC_MII_DATA_RA_SHIFT) & FEC_MII_DATA_RA_MSK;
-
-	out_be32(&priv->regs->mii_data, value);
-
-	/* wait for request to finish */
-	while (!(in_be32(&fec->ievent) & FEC_IEVENT_MII) && --tries)
-		udelay(5);
-
-	if (tries == 0)
-		return -ETIMEDOUT;
+	return mpc52xx_fec_mdio_transfer(bus, phy_id, reg, FEC_MII_READ_FRAME);
+}
 
-	return 0;
+static int mpc52xx_fec_mdio_write(struct mii_bus *bus, int phy_id, int reg,
+		u16 data)
+{
+	return mpc52xx_fec_mdio_transfer(bus, phy_id, reg,
+		data | FEC_MII_WRITE_FRAME);
 }
 
-static int mpc52xx_fec_mdio_probe(struct of_device *of, const struct of_device_id *match)
+static int mpc52xx_fec_mdio_probe(struct of_device *of,
+		const struct of_device_id *match)
 {
 	struct device *dev = &of->dev;
 	struct device_node *np = of->node;
@@ -131,7 +119,8 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of, const struct of_device_i
 	dev_set_drvdata(dev, bus);
 
 	/* set MII speed */
-	out_be32(&priv->regs->mii_speed, ((mpc52xx_find_ipb_freq(of->node) >> 20) / 5) << 1);
+	out_be32(&priv->regs->mii_speed,
+		((mpc52xx_find_ipb_freq(of->node) >> 20) / 5) << 1);
 
 	/* enable MII interrupt */
 	out_be32(&priv->regs->imask, in_be32(&priv->regs->imask) | FEC_IMASK_MII);
-- 
GitLab


From dc35fac9e936c6cc6ad825fc7e4455468d10adc6 Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Wed, 15 Oct 2008 10:50:34 -0700
Subject: [PATCH 0590/2224] RDMA/cxgb3: Remove cmid reference on tid allocation
 failures

The error path in iwch_connect() can fail to drop the cmid reference,
which will cause the process to hang when destroying the cmid.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/cxgb3/iwch_cm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index c325c44807e..44e936e48a3 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1942,6 +1942,7 @@ fail4:
 fail3:
 	cxgb3_free_atid(ep->com.tdev, ep->atid);
 fail2:
+	cm_id->rem_ref(cm_id);
 	put_ep(&ep->com);
 out:
 	return err;
-- 
GitLab


From e2fee2761ad1df2d29b9d502a3cefc87a17b32ca Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Fri, 18 Jul 2008 17:36:20 +0200
Subject: [PATCH 0591/2224] OProfile: Rework oprofile_add_ibs_sample() function

Code looks much more cleaner now.

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_model_amd.c |  5 ++--
 drivers/oprofile/cpu_buffer.c    | 48 ++++++++++----------------------
 2 files changed, 18 insertions(+), 35 deletions(-)

diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index d9faf607b3a..54632e0d6bf 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -67,8 +67,9 @@ static unsigned long reset_value[NUM_COUNTERS];
 
 /* The function interface needs to be fixed, something like add
    data. Should then be added to linux/oprofile.h. */
-extern void oprofile_add_ibs_sample(struct pt_regs *const regs,
-				    unsigned int * const ibs_sample, u8 code);
+extern void
+oprofile_add_ibs_sample(struct pt_regs *const regs,
+			unsigned int * const ibs_sample, int ibs_code);
 
 struct ibs_fetch_sample {
 	/* MSRC001_1031 IBS Fetch Linear Address Register */
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index e1bd5a937f6..d6c68270b3d 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -257,21 +257,23 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
 
 #ifdef CONFIG_OPROFILE_IBS
 
-#define MAX_IBS_SAMPLE_SIZE	14
-static int log_ibs_sample(struct oprofile_cpu_buffer *cpu_buf,
-	unsigned long pc, int is_kernel, unsigned  int *ibs, int ibs_code)
+#define MAX_IBS_SAMPLE_SIZE 14
+
+void oprofile_add_ibs_sample(struct pt_regs *const regs,
+			     unsigned int * const ibs_sample, int ibs_code)
 {
+	int is_kernel = !user_mode(regs);
+	struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer);
 	struct task_struct *task;
 
 	cpu_buf->sample_received++;
 
 	if (nr_available_slots(cpu_buf) < MAX_IBS_SAMPLE_SIZE) {
+		/* we can't backtrace since we lost the source of this event */
 		cpu_buf->sample_lost_overflow++;
-		return 0;
+		return;
 	}
 
-	is_kernel = !!is_kernel;
-
 	/* notice a switch from user->kernel or vice versa */
 	if (cpu_buf->last_is_kernel != is_kernel) {
 		cpu_buf->last_is_kernel = is_kernel;
@@ -281,7 +283,6 @@ static int log_ibs_sample(struct oprofile_cpu_buffer *cpu_buf,
 	/* notice a task switch */
 	if (!is_kernel) {
 		task = current;
-
 		if (cpu_buf->last_task != task) {
 			cpu_buf->last_task = task;
 			add_code(cpu_buf, (unsigned long)task);
@@ -289,36 +290,17 @@ static int log_ibs_sample(struct oprofile_cpu_buffer *cpu_buf,
 	}
 
 	add_code(cpu_buf, ibs_code);
-	add_sample(cpu_buf, ibs[0], ibs[1]);
-	add_sample(cpu_buf, ibs[2], ibs[3]);
-	add_sample(cpu_buf, ibs[4], ibs[5]);
+	add_sample(cpu_buf, ibs_sample[0], ibs_sample[1]);
+	add_sample(cpu_buf, ibs_sample[2], ibs_sample[3]);
+	add_sample(cpu_buf, ibs_sample[4], ibs_sample[5]);
 
 	if (ibs_code == IBS_OP_BEGIN) {
-	add_sample(cpu_buf, ibs[6], ibs[7]);
-	add_sample(cpu_buf, ibs[8], ibs[9]);
-	add_sample(cpu_buf, ibs[10], ibs[11]);
-	}
-
-	return 1;
-}
-
-void oprofile_add_ibs_sample(struct pt_regs *const regs,
-				unsigned int * const ibs_sample, u8 code)
-{
-	int is_kernel = !user_mode(regs);
-	unsigned long pc = profile_pc(regs);
-
-	struct oprofile_cpu_buffer *cpu_buf =
-			 &per_cpu(cpu_buffer, smp_processor_id());
-
-	if (!backtrace_depth) {
-		log_ibs_sample(cpu_buf, pc, is_kernel, ibs_sample, code);
-		return;
+		add_sample(cpu_buf, ibs_sample[6], ibs_sample[7]);
+		add_sample(cpu_buf, ibs_sample[8], ibs_sample[9]);
+		add_sample(cpu_buf, ibs_sample[10], ibs_sample[11]);
 	}
 
-	/* if log_sample() fails we can't backtrace since we lost the source
-	* of this event */
-	if (log_ibs_sample(cpu_buf, pc, is_kernel, ibs_sample, code))
+	if (backtrace_depth)
 		oprofile_ops.backtrace(regs, backtrace_depth);
 }
 
-- 
GitLab


From 2d55a478827f3eed2ee9701605fdeb9cac2d78dc Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Fri, 18 Jul 2008 17:56:05 +0200
Subject: [PATCH 0592/2224] OProfile: Rework string handling in
 setup_ibs_files()

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_model_amd.c | 23 +++++++++++------------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 54632e0d6bf..0657c56a66b 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -473,7 +473,6 @@ static int (*create_arch_files)(struct super_block * sb, struct dentry * root);
 
 static int setup_ibs_files(struct super_block * sb, struct dentry * root)
 {
-	char buf[12];
 	struct dentry *dir;
 	int ret = 0;
 
@@ -495,22 +494,22 @@ static int setup_ibs_files(struct super_block * sb, struct dentry * root)
 	ibs_config.max_cnt_op = 250000;
 	ibs_config.op_enabled = 0;
 	ibs_config.dispatched_ops = 1;
-	snprintf(buf,  sizeof(buf), "ibs_fetch");
-	dir = oprofilefs_mkdir(sb, root, buf);
-	oprofilefs_create_ulong(sb, dir, "rand_enable",
-				&ibs_config.rand_en);
+
+	dir = oprofilefs_mkdir(sb, root, "ibs_fetch");
 	oprofilefs_create_ulong(sb, dir, "enable",
-		&ibs_config.fetch_enabled);
+				&ibs_config.fetch_enabled);
 	oprofilefs_create_ulong(sb, dir, "max_count",
-		&ibs_config.max_cnt_fetch);
-	snprintf(buf,  sizeof(buf), "ibs_uops");
-	dir = oprofilefs_mkdir(sb, root, buf);
+				&ibs_config.max_cnt_fetch);
+	oprofilefs_create_ulong(sb, dir, "rand_enable",
+				&ibs_config.rand_en);
+
+	dir = oprofilefs_mkdir(sb, root, "ibs_uops");
 	oprofilefs_create_ulong(sb, dir, "enable",
-		&ibs_config.op_enabled);
+				&ibs_config.op_enabled);
 	oprofilefs_create_ulong(sb, dir, "max_count",
-		&ibs_config.max_cnt_op);
+				&ibs_config.max_cnt_op);
 	oprofilefs_create_ulong(sb, dir, "dispatched_ops",
-		&ibs_config.dispatched_ops);
+				&ibs_config.dispatched_ops);
 
 	return 0;
 }
-- 
GitLab


From ccd755c2d90dd9b9729ba5975f7c92bf206ddcf7 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Tue, 29 Jul 2008 16:57:10 +0200
Subject: [PATCH 0593/2224] OProfile: Rename IBS sysfs dir into "ibs_op"

The new name is now more close to those used in the spec.

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_model_amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 0657c56a66b..23ce63f2762 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -503,7 +503,7 @@ static int setup_ibs_files(struct super_block * sb, struct dentry * root)
 	oprofilefs_create_ulong(sb, dir, "rand_enable",
 				&ibs_config.rand_en);
 
-	dir = oprofilefs_mkdir(sb, root, "ibs_uops");
+	dir = oprofilefs_mkdir(sb, root, "ibs_op");
 	oprofilefs_create_ulong(sb, dir, "enable",
 				&ibs_config.op_enabled);
 	oprofilefs_create_ulong(sb, dir, "max_count",
-- 
GitLab


From c92960fccb9f32a1d6110f6dcfe483ed96c62beb Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Fri, 5 Sep 2008 17:12:36 +0200
Subject: [PATCH 0594/2224] oprofile: whitespace fixes

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_model_amd.c  | 20 +++++++++----------
 arch/x86/oprofile/op_model_p4.c   | 32 +++++++++++++++----------------
 arch/x86/oprofile/op_model_ppro.c | 16 ++++++++--------
 drivers/oprofile/buffer_sync.c    |  1 -
 drivers/oprofile/oprof.c          | 24 +++++++++++------------
 5 files changed, 46 insertions(+), 47 deletions(-)

diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 23ce63f2762..b9a810b3326 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -530,14 +530,14 @@ static void op_amd_exit(void)
 #endif
 
 struct op_x86_model_spec const op_amd_spec = {
-	.init = op_amd_init,
-	.exit = op_amd_exit,
-	.num_counters = NUM_COUNTERS,
-	.num_controls = NUM_CONTROLS,
-	.fill_in_addresses = &op_amd_fill_in_addresses,
-	.setup_ctrs = &op_amd_setup_ctrs,
-	.check_ctrs = &op_amd_check_ctrs,
-	.start = &op_amd_start,
-	.stop = &op_amd_stop,
-	.shutdown = &op_amd_shutdown
+	.init			= op_amd_init,
+	.exit			= op_amd_exit,
+	.num_counters		= NUM_COUNTERS,
+	.num_controls		= NUM_CONTROLS,
+	.fill_in_addresses	= &op_amd_fill_in_addresses,
+	.setup_ctrs		= &op_amd_setup_ctrs,
+	.check_ctrs		= &op_amd_check_ctrs,
+	.start			= &op_amd_start,
+	.stop			= &op_amd_stop,
+	.shutdown		= &op_amd_shutdown
 };
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c
index 43ac5af338d..4c4a51c90bc 100644
--- a/arch/x86/oprofile/op_model_p4.c
+++ b/arch/x86/oprofile/op_model_p4.c
@@ -698,24 +698,24 @@ static void p4_shutdown(struct op_msrs const * const msrs)
 
 #ifdef CONFIG_SMP
 struct op_x86_model_spec const op_p4_ht2_spec = {
-	.num_counters = NUM_COUNTERS_HT2,
-	.num_controls = NUM_CONTROLS_HT2,
-	.fill_in_addresses = &p4_fill_in_addresses,
-	.setup_ctrs = &p4_setup_ctrs,
-	.check_ctrs = &p4_check_ctrs,
-	.start = &p4_start,
-	.stop = &p4_stop,
-	.shutdown = &p4_shutdown
+	.num_counters		= NUM_COUNTERS_HT2,
+	.num_controls		= NUM_CONTROLS_HT2,
+	.fill_in_addresses	= &p4_fill_in_addresses,
+	.setup_ctrs		= &p4_setup_ctrs,
+	.check_ctrs		= &p4_check_ctrs,
+	.start			= &p4_start,
+	.stop			= &p4_stop,
+	.shutdown		= &p4_shutdown
 };
 #endif
 
 struct op_x86_model_spec const op_p4_spec = {
-	.num_counters = NUM_COUNTERS_NON_HT,
-	.num_controls = NUM_CONTROLS_NON_HT,
-	.fill_in_addresses = &p4_fill_in_addresses,
-	.setup_ctrs = &p4_setup_ctrs,
-	.check_ctrs = &p4_check_ctrs,
-	.start = &p4_start,
-	.stop = &p4_stop,
-	.shutdown = &p4_shutdown
+	.num_counters		= NUM_COUNTERS_NON_HT,
+	.num_controls		= NUM_CONTROLS_NON_HT,
+	.fill_in_addresses	= &p4_fill_in_addresses,
+	.setup_ctrs		= &p4_setup_ctrs,
+	.check_ctrs		= &p4_check_ctrs,
+	.start			= &p4_start,
+	.stop			= &p4_stop,
+	.shutdown		= &p4_shutdown
 };
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index eff431f6c57..c665bac4a14 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -181,12 +181,12 @@ static void ppro_shutdown(struct op_msrs const * const msrs)
 
 
 struct op_x86_model_spec const op_ppro_spec = {
-	.num_counters = NUM_COUNTERS,
-	.num_controls = NUM_CONTROLS,
-	.fill_in_addresses = &ppro_fill_in_addresses,
-	.setup_ctrs = &ppro_setup_ctrs,
-	.check_ctrs = &ppro_check_ctrs,
-	.start = &ppro_start,
-	.stop = &ppro_stop,
-	.shutdown = &ppro_shutdown
+	.num_counters		= NUM_COUNTERS,
+	.num_controls		= NUM_CONTROLS,
+	.fill_in_addresses	= &ppro_fill_in_addresses,
+	.setup_ctrs		= &ppro_setup_ctrs,
+	.check_ctrs		= &ppro_check_ctrs,
+	.start			= &ppro_start,
+	.stop			= &ppro_stop,
+	.shutdown		= &ppro_shutdown
 };
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index ed982273fb8..564577307a5 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -41,7 +41,6 @@ static cpumask_t marked_cpus = CPU_MASK_NONE;
 static DEFINE_SPINLOCK(task_mortuary);
 static void process_task_mortuary(void);
 
-
 /* Take ownership of the task struct and place it on the
  * list for processing. Only after two full buffer syncs
  * does the task eventually get freed, because by then
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index 2c645170f06..50062cea292 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -19,7 +19,7 @@
 #include "cpu_buffer.h"
 #include "buffer_sync.h"
 #include "oprofile_stats.h"
- 
+
 struct oprofile_operations oprofile_ops;
 
 unsigned long oprofile_started;
@@ -36,7 +36,7 @@ static int timer = 0;
 int oprofile_setup(void)
 {
 	int err;
- 
+
 	mutex_lock(&start_mutex);
 
 	if ((err = alloc_cpu_buffers()))
@@ -44,10 +44,10 @@ int oprofile_setup(void)
 
 	if ((err = alloc_event_buffer()))
 		goto out1;
- 
+
 	if (oprofile_ops.setup && (err = oprofile_ops.setup()))
 		goto out2;
- 
+
 	/* Note even though this starts part of the
 	 * profiling overhead, it's necessary to prevent
 	 * us missing task deaths and eventually oopsing
@@ -74,7 +74,7 @@ post_sync:
 	is_setup = 1;
 	mutex_unlock(&start_mutex);
 	return 0;
- 
+
 out3:
 	if (oprofile_ops.shutdown)
 		oprofile_ops.shutdown();
@@ -92,17 +92,17 @@ out:
 int oprofile_start(void)
 {
 	int err = -EINVAL;
- 
+
 	mutex_lock(&start_mutex);
  
 	if (!is_setup)
 		goto out;
 
-	err = 0; 
- 
+	err = 0;
+
 	if (oprofile_started)
 		goto out;
- 
+
 	oprofile_reset_stats();
 
 	if ((err = oprofile_ops.start()))
@@ -114,7 +114,7 @@ out:
 	return err;
 }
 
- 
+
 /* echo 0>/dev/oprofile/enable */
 void oprofile_stop(void)
 {
@@ -204,13 +204,13 @@ static void __exit oprofile_exit(void)
 	oprofile_arch_exit();
 }
 
- 
+
 module_init(oprofile_init);
 module_exit(oprofile_exit);
 
 module_param_named(timer, timer, int, 0644);
 MODULE_PARM_DESC(timer, "force use of timer interrupt");
- 
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("John Levon <levon@movementarian.org>");
 MODULE_DESCRIPTION("OProfile system profiler");
-- 
GitLab


From 25ad2913cae9c9e3ed28075caeb2eefccd636f4f Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Fri, 5 Sep 2008 17:12:36 +0200
Subject: [PATCH 0595/2224] oprofile: more whitespace fixes

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/alpha/oprofile/common.c          |  2 +-
 arch/ia64/oprofile/init.c             |  4 +-
 arch/ia64/oprofile/perfmon.c          |  4 +-
 arch/m32r/oprofile/init.c             |  2 +-
 arch/mips/oprofile/common.c           |  2 +-
 arch/mips/oprofile/op_impl.h          |  2 +-
 arch/mips/oprofile/op_model_rm9000.c  |  2 +-
 arch/parisc/oprofile/init.c           |  2 +-
 arch/powerpc/oprofile/op_model_cell.c |  2 +-
 arch/sparc/oprofile/init.c            |  2 +-
 arch/sparc64/oprofile/init.c          |  2 +-
 arch/x86/oprofile/backtrace.c         |  2 +-
 arch/x86/oprofile/op_model_amd.c      |  6 +--
 arch/x86/oprofile/op_x86_model.h      |  4 +-
 drivers/oprofile/cpu_buffer.c         | 22 ++++----
 drivers/oprofile/cpu_buffer.h         |  6 +--
 drivers/oprofile/event_buffer.c       | 10 ++--
 drivers/oprofile/oprof.h              |  4 +-
 drivers/oprofile/oprofile_files.c     | 16 +++---
 drivers/oprofile/oprofile_stats.c     | 10 ++--
 drivers/oprofile/oprofile_stats.h     |  2 +-
 drivers/oprofile/oprofilefs.c         | 72 +++++++++++++--------------
 drivers/oprofile/timer_int.c          |  2 +-
 23 files changed, 91 insertions(+), 91 deletions(-)

diff --git a/arch/alpha/oprofile/common.c b/arch/alpha/oprofile/common.c
index 7c3d5ec6ec6..bd8ac533a50 100644
--- a/arch/alpha/oprofile/common.c
+++ b/arch/alpha/oprofile/common.c
@@ -106,7 +106,7 @@ op_axp_stop(void)
 }
 
 static int
-op_axp_create_files(struct super_block * sb, struct dentry * root)
+op_axp_create_files(struct super_block *sb, struct dentry *root)
 {
 	int i;
 
diff --git a/arch/ia64/oprofile/init.c b/arch/ia64/oprofile/init.c
index 125a602a660..31b545c3546 100644
--- a/arch/ia64/oprofile/init.c
+++ b/arch/ia64/oprofile/init.c
@@ -12,11 +12,11 @@
 #include <linux/init.h>
 #include <linux/errno.h>
  
-extern int perfmon_init(struct oprofile_operations * ops);
+extern int perfmon_init(struct oprofile_operations *ops);
 extern void perfmon_exit(void);
 extern void ia64_backtrace(struct pt_regs * const regs, unsigned int depth);
 
-int __init oprofile_arch_init(struct oprofile_operations * ops)
+int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
 	int ret = -ENODEV;
 
diff --git a/arch/ia64/oprofile/perfmon.c b/arch/ia64/oprofile/perfmon.c
index bc41dd32fec..192d3e8e1f6 100644
--- a/arch/ia64/oprofile/perfmon.c
+++ b/arch/ia64/oprofile/perfmon.c
@@ -56,7 +56,7 @@ static pfm_buffer_fmt_t oprofile_fmt = {
 };
 
 
-static char * get_cpu_type(void)
+static char *get_cpu_type(void)
 {
 	__u8 family = local_cpu_data->family;
 
@@ -75,7 +75,7 @@ static char * get_cpu_type(void)
 
 static int using_perfmon;
 
-int perfmon_init(struct oprofile_operations * ops)
+int perfmon_init(struct oprofile_operations *ops)
 {
 	int ret = pfm_register_buffer_fmt(&oprofile_fmt);
 	if (ret)
diff --git a/arch/m32r/oprofile/init.c b/arch/m32r/oprofile/init.c
index b7773e45c43..fa56860f425 100644
--- a/arch/m32r/oprofile/init.c
+++ b/arch/m32r/oprofile/init.c
@@ -12,7 +12,7 @@
 #include <linux/errno.h>
 #include <linux/init.h>
 
-int __init oprofile_arch_init(struct oprofile_operations * ops)
+int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
 	return -ENODEV;
 }
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index dd2fbd6645c..3bf3354547f 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -32,7 +32,7 @@ static int op_mips_setup(void)
         return 0;
 }
 
-static int op_mips_create_files(struct super_block * sb, struct dentry * root)
+static int op_mips_create_files(struct super_block *sb, struct dentry *root)
 {
 	int i;
 
diff --git a/arch/mips/oprofile/op_impl.h b/arch/mips/oprofile/op_impl.h
index 2bfc17c3010..f04b54fb37d 100644
--- a/arch/mips/oprofile/op_impl.h
+++ b/arch/mips/oprofile/op_impl.h
@@ -27,7 +27,7 @@ struct op_counter_config {
 /* Per-architecture configury and hooks.  */
 struct op_mips_model {
 	void (*reg_setup) (struct op_counter_config *);
-	void (*cpu_setup) (void * dummy);
+	void (*cpu_setup) (void *dummy);
 	int (*init)(void);
 	void (*exit)(void);
 	void (*cpu_start)(void *args);
diff --git a/arch/mips/oprofile/op_model_rm9000.c b/arch/mips/oprofile/op_model_rm9000.c
index a45d3202894..3aa81384966 100644
--- a/arch/mips/oprofile/op_model_rm9000.c
+++ b/arch/mips/oprofile/op_model_rm9000.c
@@ -80,7 +80,7 @@ static void rm9000_cpu_stop(void *args)
 	write_c0_perfcontrol(0);
 }
 
-static irqreturn_t rm9000_perfcount_handler(int irq, void * dev_id)
+static irqreturn_t rm9000_perfcount_handler(int irq, void *dev_id)
 {
 	unsigned int control = read_c0_perfcontrol();
 	struct pt_regs *regs = get_irq_regs();
diff --git a/arch/parisc/oprofile/init.c b/arch/parisc/oprofile/init.c
index 113f5139f55..026cba2af07 100644
--- a/arch/parisc/oprofile/init.c
+++ b/arch/parisc/oprofile/init.c
@@ -12,7 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/oprofile.h>
 
-int __init oprofile_arch_init(struct oprofile_operations * ops)
+int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
 	return -ENODEV;
 }
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index 5ff4de3eb3b..35141a8bc3d 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -404,7 +404,7 @@ set_count_mode(u32 kernel, u32 user)
 	}
 }
 
-static inline void enable_ctr(u32 cpu, u32 ctr, u32 * pm07_cntrl)
+static inline void enable_ctr(u32 cpu, u32 ctr, u32 *pm07_cntrl)
 {
 
 	pm07_cntrl[ctr] |= CBE_PM_CTR_ENABLE;
diff --git a/arch/sparc/oprofile/init.c b/arch/sparc/oprofile/init.c
index 9ab815b95b5..17bb6035069 100644
--- a/arch/sparc/oprofile/init.c
+++ b/arch/sparc/oprofile/init.c
@@ -12,7 +12,7 @@
 #include <linux/errno.h>
 #include <linux/init.h>
  
-int __init oprofile_arch_init(struct oprofile_operations * ops)
+int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
 	return -ENODEV;
 }
diff --git a/arch/sparc64/oprofile/init.c b/arch/sparc64/oprofile/init.c
index 9ab815b95b5..17bb6035069 100644
--- a/arch/sparc64/oprofile/init.c
+++ b/arch/sparc64/oprofile/init.c
@@ -12,7 +12,7 @@
 #include <linux/errno.h>
 #include <linux/init.h>
  
-int __init oprofile_arch_init(struct oprofile_operations * ops)
+int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
 	return -ENODEV;
 }
diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index e2095cba409..36e324139f7 100644
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -53,7 +53,7 @@ struct frame_head {
 } __attribute__((packed));
 
 static struct frame_head *
-dump_user_backtrace(struct frame_head * head)
+dump_user_backtrace(struct frame_head *head)
 {
 	struct frame_head bufhead[2];
 
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index b9a810b3326..a2e83afbe3e 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -69,7 +69,7 @@ static unsigned long reset_value[NUM_COUNTERS];
    data. Should then be added to linux/oprofile.h. */
 extern void
 oprofile_add_ibs_sample(struct pt_regs *const regs,
-			unsigned int * const ibs_sample, int ibs_code);
+			unsigned int *const ibs_sample, int ibs_code);
 
 struct ibs_fetch_sample {
 	/* MSRC001_1031 IBS Fetch Linear Address Register */
@@ -469,9 +469,9 @@ static void clear_ibs_nmi(void)
 		on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1);
 }
 
-static int (*create_arch_files)(struct super_block * sb, struct dentry * root);
+static int (*create_arch_files)(struct super_block *sb, struct dentry *root);
 
-static int setup_ibs_files(struct super_block * sb, struct dentry * root)
+static int setup_ibs_files(struct super_block *sb, struct dentry *root)
 {
 	struct dentry *dir;
 	int ret = 0;
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index 05a0261ba0c..24ccdebf3ac 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -22,8 +22,8 @@ struct op_msr {
 };
 
 struct op_msrs {
-	struct op_msr * counters;
-	struct op_msr * controls;
+	struct op_msr *counters;
+	struct op_msr *controls;
 };
 
 struct pt_regs;
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index d6c68270b3d..b47ce038490 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -112,7 +112,7 @@ void end_cpu_work(void)
 }
 
 /* Resets the cpu buffer to a sane state. */
-void cpu_buffer_reset(struct oprofile_cpu_buffer * cpu_buf)
+void cpu_buffer_reset(struct oprofile_cpu_buffer *cpu_buf)
 {
 	/* reset these to invalid values; the next sample
 	 * collected will populate the buffer with proper
@@ -123,7 +123,7 @@ void cpu_buffer_reset(struct oprofile_cpu_buffer * cpu_buf)
 }
 
 /* compute number of available slots in cpu_buffer queue */
-static unsigned long nr_available_slots(struct oprofile_cpu_buffer const * b)
+static unsigned long nr_available_slots(struct oprofile_cpu_buffer const *b)
 {
 	unsigned long head = b->head_pos;
 	unsigned long tail = b->tail_pos;
@@ -134,7 +134,7 @@ static unsigned long nr_available_slots(struct oprofile_cpu_buffer const * b)
 	return tail + (b->buffer_size - head) - 1;
 }
 
-static void increment_head(struct oprofile_cpu_buffer * b)
+static void increment_head(struct oprofile_cpu_buffer *b)
 {
 	unsigned long new_head = b->head_pos + 1;
 
@@ -149,17 +149,17 @@ static void increment_head(struct oprofile_cpu_buffer * b)
 }
 
 static inline void
-add_sample(struct oprofile_cpu_buffer * cpu_buf,
+add_sample(struct oprofile_cpu_buffer *cpu_buf,
            unsigned long pc, unsigned long event)
 {
-	struct op_sample * entry = &cpu_buf->buffer[cpu_buf->head_pos];
+	struct op_sample *entry = &cpu_buf->buffer[cpu_buf->head_pos];
 	entry->eip = pc;
 	entry->event = event;
 	increment_head(cpu_buf);
 }
 
 static inline void
-add_code(struct oprofile_cpu_buffer * buffer, unsigned long value)
+add_code(struct oprofile_cpu_buffer *buffer, unsigned long value)
 {
 	add_sample(buffer, ESCAPE_CODE, value);
 }
@@ -173,10 +173,10 @@ add_code(struct oprofile_cpu_buffer * buffer, unsigned long value)
  * pc. We tag this in the buffer by generating kernel enter/exit
  * events whenever is_kernel changes
  */
-static int log_sample(struct oprofile_cpu_buffer * cpu_buf, unsigned long pc,
+static int log_sample(struct oprofile_cpu_buffer *cpu_buf, unsigned long pc,
 		      int is_kernel, unsigned long event)
 {
-	struct task_struct * task;
+	struct task_struct *task;
 
 	cpu_buf->sample_received++;
 
@@ -222,7 +222,7 @@ static int oprofile_begin_trace(struct oprofile_cpu_buffer *cpu_buf)
 	return 1;
 }
 
-static void oprofile_end_trace(struct oprofile_cpu_buffer * cpu_buf)
+static void oprofile_end_trace(struct oprofile_cpu_buffer *cpu_buf)
 {
 	cpu_buf->tracing = 0;
 }
@@ -260,7 +260,7 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
 #define MAX_IBS_SAMPLE_SIZE 14
 
 void oprofile_add_ibs_sample(struct pt_regs *const regs,
-			     unsigned int * const ibs_sample, int ibs_code)
+			     unsigned int *const ibs_sample, int ibs_code)
 {
 	int is_kernel = !user_mode(regs);
 	struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer);
@@ -345,7 +345,7 @@ void oprofile_add_trace(unsigned long pc)
  */
 static void wq_sync_buffer(struct work_struct *work)
 {
-	struct oprofile_cpu_buffer * b =
+	struct oprofile_cpu_buffer *b =
 		container_of(work, struct oprofile_cpu_buffer, work.work);
 	if (b->cpu != smp_processor_id()) {
 		printk(KERN_DEBUG "WQ on CPU%d, prefer CPU%d\n",
diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h
index 9c44d004da6..9bc6bb20b6d 100644
--- a/drivers/oprofile/cpu_buffer.h
+++ b/drivers/oprofile/cpu_buffer.h
@@ -36,10 +36,10 @@ struct oprofile_cpu_buffer {
 	volatile unsigned long head_pos;
 	volatile unsigned long tail_pos;
 	unsigned long buffer_size;
-	struct task_struct * last_task;
+	struct task_struct *last_task;
 	int last_is_kernel;
 	int tracing;
-	struct op_sample * buffer;
+	struct op_sample *buffer;
 	unsigned long sample_received;
 	unsigned long sample_lost_overflow;
 	unsigned long backtrace_aborted;
@@ -50,7 +50,7 @@ struct oprofile_cpu_buffer {
 
 DECLARE_PER_CPU(struct oprofile_cpu_buffer, cpu_buffer);
 
-void cpu_buffer_reset(struct oprofile_cpu_buffer * cpu_buf);
+void cpu_buffer_reset(struct oprofile_cpu_buffer *cpu_buf);
 
 /* transient events for the CPU buffer -> event buffer */
 #define CPU_IS_KERNEL 1
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index 8d692a5c8e7..c9329f4e090 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -28,7 +28,7 @@ DEFINE_MUTEX(buffer_mutex);
  
 static unsigned long buffer_opened;
 static DECLARE_WAIT_QUEUE_HEAD(buffer_wait);
-static unsigned long * event_buffer;
+static unsigned long *event_buffer;
 static unsigned long buffer_size;
 static unsigned long buffer_watershed;
 static size_t buffer_pos;
@@ -98,7 +98,7 @@ void free_event_buffer(void)
 }
 
  
-static int event_buffer_open(struct inode * inode, struct file * file)
+static int event_buffer_open(struct inode *inode, struct file *file)
 {
 	int err = -EPERM;
 
@@ -134,7 +134,7 @@ out:
 }
 
 
-static int event_buffer_release(struct inode * inode, struct file * file)
+static int event_buffer_release(struct inode *inode, struct file *file)
 {
 	oprofile_stop();
 	oprofile_shutdown();
@@ -146,8 +146,8 @@ static int event_buffer_release(struct inode * inode, struct file * file)
 }
 
 
-static ssize_t event_buffer_read(struct file * file, char __user * buf,
-				 size_t count, loff_t * offset)
+static ssize_t event_buffer_read(struct file *file, char __user *buf,
+				 size_t count, loff_t *offset)
 {
 	int retval = -EINVAL;
 	size_t const max = buffer_size * sizeof(unsigned long);
diff --git a/drivers/oprofile/oprof.h b/drivers/oprofile/oprof.h
index 18323650806..7a44ddba0be 100644
--- a/drivers/oprofile/oprof.h
+++ b/drivers/oprofile/oprof.h
@@ -31,8 +31,8 @@ extern unsigned long backtrace_depth;
 struct super_block;
 struct dentry;
 
-void oprofile_create_files(struct super_block * sb, struct dentry * root);
-void oprofile_timer_init(struct oprofile_operations * ops);
+void oprofile_create_files(struct super_block *sb, struct dentry *root);
+void oprofile_timer_init(struct oprofile_operations *ops);
 
 int oprofile_set_backtrace(unsigned long depth);
  
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index ef953ba5ab6..241804abbb5 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -18,13 +18,13 @@ unsigned long fs_buffer_size = 131072;
 unsigned long fs_cpu_buffer_size = 8192;
 unsigned long fs_buffer_watershed = 32768; /* FIXME: tune */
 
-static ssize_t depth_read(struct file * file, char __user * buf, size_t count, loff_t * offset)
+static ssize_t depth_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
 	return oprofilefs_ulong_to_user(backtrace_depth, buf, count, offset);
 }
 
 
-static ssize_t depth_write(struct file * file, char const __user * buf, size_t count, loff_t * offset)
+static ssize_t depth_write(struct file *file, char const __user *buf, size_t count, loff_t *offset)
 {
 	unsigned long val;
 	int retval;
@@ -50,7 +50,7 @@ static const struct file_operations depth_fops = {
 };
 
  
-static ssize_t pointer_size_read(struct file * file, char __user * buf, size_t count, loff_t * offset)
+static ssize_t pointer_size_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
 	return oprofilefs_ulong_to_user(sizeof(void *), buf, count, offset);
 }
@@ -61,7 +61,7 @@ static const struct file_operations pointer_size_fops = {
 };
 
 
-static ssize_t cpu_type_read(struct file * file, char __user * buf, size_t count, loff_t * offset)
+static ssize_t cpu_type_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
 	return oprofilefs_str_to_user(oprofile_ops.cpu_type, buf, count, offset);
 }
@@ -72,13 +72,13 @@ static const struct file_operations cpu_type_fops = {
 };
  
  
-static ssize_t enable_read(struct file * file, char __user * buf, size_t count, loff_t * offset)
+static ssize_t enable_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
 	return oprofilefs_ulong_to_user(oprofile_started, buf, count, offset);
 }
 
 
-static ssize_t enable_write(struct file * file, char const __user * buf, size_t count, loff_t * offset)
+static ssize_t enable_write(struct file *file, char const __user *buf, size_t count, loff_t *offset)
 {
 	unsigned long val;
 	int retval;
@@ -107,7 +107,7 @@ static const struct file_operations enable_fops = {
 };
 
 
-static ssize_t dump_write(struct file * file, char const __user * buf, size_t count, loff_t * offset)
+static ssize_t dump_write(struct file *file, char const __user *buf, size_t count, loff_t *offset)
 {
 	wake_up_buffer_waiter();
 	return count;
@@ -118,7 +118,7 @@ static const struct file_operations dump_fops = {
 	.write		= dump_write,
 };
  
-void oprofile_create_files(struct super_block * sb, struct dentry * root)
+void oprofile_create_files(struct super_block *sb, struct dentry *root)
 {
 	oprofilefs_create_file(sb, root, "enable", &enable_fops);
 	oprofilefs_create_file_perm(sb, root, "dump", &dump_fops, 0666);
diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c
index f99b28e7b79..e0c45498d17 100644
--- a/drivers/oprofile/oprofile_stats.c
+++ b/drivers/oprofile/oprofile_stats.c
@@ -19,7 +19,7 @@ struct oprofile_stat_struct oprofile_stats;
  
 void oprofile_reset_stats(void)
 {
-	struct oprofile_cpu_buffer * cpu_buf; 
+	struct oprofile_cpu_buffer *cpu_buf;
 	int i;
  
 	for_each_possible_cpu(i) {
@@ -36,11 +36,11 @@ void oprofile_reset_stats(void)
 }
 
 
-void oprofile_create_stats_files(struct super_block * sb, struct dentry * root)
+void oprofile_create_stats_files(struct super_block *sb, struct dentry *root)
 {
-	struct oprofile_cpu_buffer * cpu_buf;
-	struct dentry * cpudir;
-	struct dentry * dir;
+	struct oprofile_cpu_buffer *cpu_buf;
+	struct dentry *cpudir;
+	struct dentry *dir;
 	char buf[10];
 	int i;
 
diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h
index 6d755a633f1..54e59c29b43 100644
--- a/drivers/oprofile/oprofile_stats.h
+++ b/drivers/oprofile/oprofile_stats.h
@@ -28,6 +28,6 @@ struct super_block;
 struct dentry;
  
 /* create the stats/ dir */
-void oprofile_create_stats_files(struct super_block * sb, struct dentry * root);
+void oprofile_create_stats_files(struct super_block *sb, struct dentry *root);
 
 #endif /* OPROFILE_STATS_H */
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 8543cb26cf3..a275a3aa5f0 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -23,9 +23,9 @@
 
 DEFINE_SPINLOCK(oprofilefs_lock);
 
-static struct inode * oprofilefs_get_inode(struct super_block * sb, int mode)
+static struct inode *oprofilefs_get_inode(struct super_block *sb, int mode)
 {
-	struct inode * inode = new_inode(sb);
+	struct inode *inode = new_inode(sb);
 
 	if (inode) {
 		inode->i_mode = mode;
@@ -44,7 +44,7 @@ static struct super_operations s_ops = {
 };
 
 
-ssize_t oprofilefs_str_to_user(char const * str, char __user * buf, size_t count, loff_t * offset)
+ssize_t oprofilefs_str_to_user(char const *str, char __user *buf, size_t count, loff_t *offset)
 {
 	return simple_read_from_buffer(buf, count, offset, str, strlen(str));
 }
@@ -52,7 +52,7 @@ ssize_t oprofilefs_str_to_user(char const * str, char __user * buf, size_t count
 
 #define TMPBUFSIZE 50
 
-ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user * buf, size_t count, loff_t * offset)
+ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user *buf, size_t count, loff_t *offset)
 {
 	char tmpbuf[TMPBUFSIZE];
 	size_t maxlen = snprintf(tmpbuf, TMPBUFSIZE, "%lu\n", val);
@@ -62,7 +62,7 @@ ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user * buf, size_t co
 }
 
 
-int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, size_t count)
+int oprofilefs_ulong_from_user(unsigned long *val, char const __user *buf, size_t count)
 {
 	char tmpbuf[TMPBUFSIZE];
 	unsigned long flags;
@@ -85,16 +85,16 @@ int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, siz
 }
 
 
-static ssize_t ulong_read_file(struct file * file, char __user * buf, size_t count, loff_t * offset)
+static ssize_t ulong_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
-	unsigned long * val = file->private_data;
+	unsigned long *val = file->private_data;
 	return oprofilefs_ulong_to_user(*val, buf, count, offset);
 }
 
 
-static ssize_t ulong_write_file(struct file * file, char const __user * buf, size_t count, loff_t * offset)
+static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_t count, loff_t *offset)
 {
-	unsigned long * value = file->private_data;
+	unsigned long *value = file->private_data;
 	int retval;
 
 	if (*offset)
@@ -108,7 +108,7 @@ static ssize_t ulong_write_file(struct file * file, char const __user * buf, siz
 }
 
 
-static int default_open(struct inode * inode, struct file * filp)
+static int default_open(struct inode *inode, struct file *filp)
 {
 	if (inode->i_private)
 		filp->private_data = inode->i_private;
@@ -129,12 +129,12 @@ static const struct file_operations ulong_ro_fops = {
 };
 
 
-static struct dentry * __oprofilefs_create_file(struct super_block * sb,
-	struct dentry * root, char const * name, const struct file_operations * fops,
+static struct dentry *__oprofilefs_create_file(struct super_block *sb,
+	struct dentry *root, char const *name, const struct file_operations *fops,
 	int perm)
 {
-	struct dentry * dentry;
-	struct inode * inode;
+	struct dentry *dentry;
+	struct inode *inode;
 
 	dentry = d_alloc_name(root, name);
 	if (!dentry)
@@ -150,10 +150,10 @@ static struct dentry * __oprofilefs_create_file(struct super_block * sb,
 }
 
 
-int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,
-	char const * name, unsigned long * val)
+int oprofilefs_create_ulong(struct super_block *sb, struct dentry *root,
+	char const *name, unsigned long *val)
 {
-	struct dentry * d = __oprofilefs_create_file(sb, root, name,
+	struct dentry *d = __oprofilefs_create_file(sb, root, name,
 						     &ulong_fops, 0644);
 	if (!d)
 		return -EFAULT;
@@ -163,10 +163,10 @@ int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,
 }
 
 
-int oprofilefs_create_ro_ulong(struct super_block * sb, struct dentry * root,
-	char const * name, unsigned long * val)
+int oprofilefs_create_ro_ulong(struct super_block *sb, struct dentry *root,
+	char const *name, unsigned long *val)
 {
-	struct dentry * d = __oprofilefs_create_file(sb, root, name,
+	struct dentry *d = __oprofilefs_create_file(sb, root, name,
 						     &ulong_ro_fops, 0444);
 	if (!d)
 		return -EFAULT;
@@ -176,9 +176,9 @@ int oprofilefs_create_ro_ulong(struct super_block * sb, struct dentry * root,
 }
 
 
-static ssize_t atomic_read_file(struct file * file, char __user * buf, size_t count, loff_t * offset)
+static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
-	atomic_t * val = file->private_data;
+	atomic_t *val = file->private_data;
 	return oprofilefs_ulong_to_user(atomic_read(val), buf, count, offset);
 }
  
@@ -189,10 +189,10 @@ static const struct file_operations atomic_ro_fops = {
 };
  
 
-int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root,
-	char const * name, atomic_t * val)
+int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root,
+	char const *name, atomic_t *val)
 {
-	struct dentry * d = __oprofilefs_create_file(sb, root, name,
+	struct dentry *d = __oprofilefs_create_file(sb, root, name,
 						     &atomic_ro_fops, 0444);
 	if (!d)
 		return -EFAULT;
@@ -202,8 +202,8 @@ int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root,
 }
 
  
-int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
-	char const * name, const struct file_operations * fops)
+int oprofilefs_create_file(struct super_block *sb, struct dentry *root,
+	char const *name, const struct file_operations *fops)
 {
 	if (!__oprofilefs_create_file(sb, root, name, fops, 0644))
 		return -EFAULT;
@@ -211,8 +211,8 @@ int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
 }
 
 
-int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
-	char const * name, const struct file_operations * fops, int perm)
+int oprofilefs_create_file_perm(struct super_block *sb, struct dentry *root,
+	char const *name, const struct file_operations *fops, int perm)
 {
 	if (!__oprofilefs_create_file(sb, root, name, fops, perm))
 		return -EFAULT;
@@ -220,11 +220,11 @@ int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
 }
 
 
-struct dentry * oprofilefs_mkdir(struct super_block * sb,
-	struct dentry * root, char const * name)
+struct dentry *oprofilefs_mkdir(struct super_block *sb,
+	struct dentry *root, char const *name)
 {
-	struct dentry * dentry;
-	struct inode * inode;
+	struct dentry *dentry;
+	struct inode *inode;
 
 	dentry = d_alloc_name(root, name);
 	if (!dentry)
@@ -241,10 +241,10 @@ struct dentry * oprofilefs_mkdir(struct super_block * sb,
 }
 
 
-static int oprofilefs_fill_super(struct super_block * sb, void * data, int silent)
+static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent)
 {
-	struct inode * root_inode;
-	struct dentry * root_dentry;
+	struct inode *root_inode;
+	struct dentry *root_dentry;
 
 	sb->s_blocksize = PAGE_CACHE_SIZE;
 	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
index 710a45f0d73..7258b141a51 100644
--- a/drivers/oprofile/timer_int.c
+++ b/drivers/oprofile/timer_int.c
@@ -35,7 +35,7 @@ static void timer_stop(void)
 }
 
 
-void __init oprofile_timer_init(struct oprofile_operations * ops)
+void __init oprofile_timer_init(struct oprofile_operations *ops)
 {
 	ops->create_files = NULL;
 	ops->setup = NULL;
-- 
GitLab


From 8655a3b8725d5598adc438ec94916568afcc5ec9 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Mon, 28 Jul 2008 18:13:10 +0200
Subject: [PATCH 0596/2224] x86/oprofile: removing unused function parameter in
 add_ibs_begin()

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 drivers/oprofile/buffer_sync.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 564577307a5..33bfa60b0c6 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -340,7 +340,7 @@ static void add_trace_begin(void)
  * Add IBS fetch and op entries to event buffer
  */
 static void add_ibs_begin(struct oprofile_cpu_buffer *cpu_buf, int code,
-	int in_kernel, struct mm_struct *mm)
+			  struct mm_struct *mm)
 {
 	unsigned long rip;
 	int i, count;
@@ -592,12 +592,10 @@ void sync_buffer(int cpu)
 #ifdef CONFIG_OPROFILE_IBS
 			} else if (s->event == IBS_FETCH_BEGIN) {
 				state = sb_bt_start;
-				add_ibs_begin(cpu_buf,
-					IBS_FETCH_CODE, in_kernel, mm);
+				add_ibs_begin(cpu_buf, IBS_FETCH_CODE, mm);
 			} else if (s->event == IBS_OP_BEGIN) {
 				state = sb_bt_start;
-				add_ibs_begin(cpu_buf,
-					IBS_OP_CODE, in_kernel, mm);
+				add_ibs_begin(cpu_buf, IBS_OP_CODE, mm);
 #endif
 			} else {
 				struct mm_struct *oldmm = mm;
-- 
GitLab


From 69046d430417c30f48867fc52e892c9050b3a29b Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Fri, 5 Sep 2008 12:17:40 +0200
Subject: [PATCH 0597/2224] x86/oprofile: reordering functions in nmi_int.c

No functional changes. The intension is to remove static function
declarations.

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/nmi_int.c | 147 +++++++++++++++++-------------------
 1 file changed, 71 insertions(+), 76 deletions(-)

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 57f6c908808..370d832f398 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -28,85 +28,9 @@ static struct op_x86_model_spec const *model;
 static DEFINE_PER_CPU(struct op_msrs, cpu_msrs);
 static DEFINE_PER_CPU(unsigned long, saved_lvtpc);
 
-static int nmi_start(void);
-static void nmi_stop(void);
-static void nmi_cpu_start(void *dummy);
-static void nmi_cpu_stop(void *dummy);
-
 /* 0 == registered but off, 1 == registered and on */
 static int nmi_enabled = 0;
 
-#ifdef CONFIG_SMP
-static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
-				 void *data)
-{
-	int cpu = (unsigned long)data;
-	switch (action) {
-	case CPU_DOWN_FAILED:
-	case CPU_ONLINE:
-		smp_call_function_single(cpu, nmi_cpu_start, NULL, 0);
-		break;
-	case CPU_DOWN_PREPARE:
-		smp_call_function_single(cpu, nmi_cpu_stop, NULL, 1);
-		break;
-	}
-	return NOTIFY_DONE;
-}
-
-static struct notifier_block oprofile_cpu_nb = {
-	.notifier_call = oprofile_cpu_notifier
-};
-#endif
-
-#ifdef CONFIG_PM
-
-static int nmi_suspend(struct sys_device *dev, pm_message_t state)
-{
-	/* Only one CPU left, just stop that one */
-	if (nmi_enabled == 1)
-		nmi_cpu_stop(NULL);
-	return 0;
-}
-
-static int nmi_resume(struct sys_device *dev)
-{
-	if (nmi_enabled == 1)
-		nmi_cpu_start(NULL);
-	return 0;
-}
-
-static struct sysdev_class oprofile_sysclass = {
-	.name		= "oprofile",
-	.resume		= nmi_resume,
-	.suspend	= nmi_suspend,
-};
-
-static struct sys_device device_oprofile = {
-	.id	= 0,
-	.cls	= &oprofile_sysclass,
-};
-
-static int __init init_sysfs(void)
-{
-	int error;
-
-	error = sysdev_class_register(&oprofile_sysclass);
-	if (!error)
-		error = sysdev_register(&device_oprofile);
-	return error;
-}
-
-static void exit_sysfs(void)
-{
-	sysdev_unregister(&device_oprofile);
-	sysdev_class_unregister(&oprofile_sysclass);
-}
-
-#else
-#define init_sysfs() do { } while (0)
-#define exit_sysfs() do { } while (0)
-#endif /* CONFIG_PM */
-
 static int profile_exceptions_notify(struct notifier_block *self,
 				     unsigned long val, void *data)
 {
@@ -361,6 +285,77 @@ static int nmi_create_files(struct super_block *sb, struct dentry *root)
 	return 0;
 }
 
+#ifdef CONFIG_SMP
+static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
+				 void *data)
+{
+	int cpu = (unsigned long)data;
+	switch (action) {
+	case CPU_DOWN_FAILED:
+	case CPU_ONLINE:
+		smp_call_function_single(cpu, nmi_cpu_start, NULL, 0);
+		break;
+	case CPU_DOWN_PREPARE:
+		smp_call_function_single(cpu, nmi_cpu_stop, NULL, 1);
+		break;
+	}
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block oprofile_cpu_nb = {
+	.notifier_call = oprofile_cpu_notifier
+};
+#endif
+
+#ifdef CONFIG_PM
+
+static int nmi_suspend(struct sys_device *dev, pm_message_t state)
+{
+	/* Only one CPU left, just stop that one */
+	if (nmi_enabled == 1)
+		nmi_cpu_stop(NULL);
+	return 0;
+}
+
+static int nmi_resume(struct sys_device *dev)
+{
+	if (nmi_enabled == 1)
+		nmi_cpu_start(NULL);
+	return 0;
+}
+
+static struct sysdev_class oprofile_sysclass = {
+	.name		= "oprofile",
+	.resume		= nmi_resume,
+	.suspend	= nmi_suspend,
+};
+
+static struct sys_device device_oprofile = {
+	.id	= 0,
+	.cls	= &oprofile_sysclass,
+};
+
+static int __init init_sysfs(void)
+{
+	int error;
+
+	error = sysdev_class_register(&oprofile_sysclass);
+	if (!error)
+		error = sysdev_register(&device_oprofile);
+	return error;
+}
+
+static void exit_sysfs(void)
+{
+	sysdev_unregister(&device_oprofile);
+	sysdev_class_unregister(&oprofile_sysclass);
+}
+
+#else
+#define init_sysfs() do { } while (0)
+#define exit_sysfs() do { } while (0)
+#endif /* CONFIG_PM */
+
 static int p4force;
 module_param(p4force, int, 0);
 
-- 
GitLab


From 5f87dfb79f829339508a5d989b8252eb30842587 Mon Sep 17 00:00:00 2001
From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Date: Wed, 15 Oct 2008 08:15:51 -0500
Subject: [PATCH 0598/2224] x86/oprofile: add the logic for enabling additional
 IBS bits

This patch adds the logic for enabling additional IBS control bits :
* IBS-Fetch IbsRandEn bit (bit 57)
* IBS-Op IbsOpCntCtl bit (bit 19)

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/op_model_amd.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index a2e83afbe3e..509513760a6 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -310,12 +310,15 @@ static void op_amd_start(struct op_msrs const * const msrs)
 #ifdef CONFIG_OPROFILE_IBS
 	if (ibs_allowed && ibs_config.fetch_enabled) {
 		low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
-		high = IBS_FETCH_HIGH_ENABLE;
+		high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
+			+ IBS_FETCH_HIGH_ENABLE;
 		wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
 	}
 
 	if (ibs_allowed && ibs_config.op_enabled) {
-		low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF) + IBS_OP_LOW_ENABLE;
+		low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
+			+ ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
+			+ IBS_OP_LOW_ENABLE;
 		high = 0;
 		wrmsr(MSR_AMD64_IBSOPCTL, low, high);
 	}
-- 
GitLab


From 1339c367a842a9fc34b8fcfa1abadb07b11848ad Mon Sep 17 00:00:00 2001
From: Pavel Vasilyev <linuxoid@tochka.ru>
Date: Wed, 15 Oct 2008 17:33:48 -0400
Subject: [PATCH 0599/2224] fix CONFIG_MMCONFIG=n build warning

arch/x86/kernel/acpi/boot.c:100: warning: 'acpi_mcfg_64bit_base_addr' defined
but not used

http://bugzilla.kernel.org/show_bug.cgi?id=11743

Signed-off-by: Pavel Vasilyev <linuxoid@tochka.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/acpi/boot.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index c102af85df9..0c2742f8c4d 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -97,7 +97,6 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
 #warning ACPI uses CMPXCHG, i486 and later hardware
 #endif
 
-static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
 
 /* --------------------------------------------------------------------------
                               Boot-time Configuration
@@ -156,6 +155,9 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
 }
 
 #ifdef CONFIG_PCI_MMCONFIG
+
+static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
+
 /* The physical address of the MMCONFIG aperture.  Set from ACPI tables. */
 struct acpi_mcfg_allocation *pci_mmcfg_config;
 int pci_mmcfg_config_num;
-- 
GitLab


From ec4e86ba0662ed85f3b3a38fb220dc51d951da84 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 16 Oct 2008 08:02:41 +0200
Subject: [PATCH 0600/2224] ALSA: hda - Fix PCM type of Nvidia HDMI devices

Added the missing PCM type for Nvidia HDMI devices so that they point
the right device number.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_nvhdmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c
index 1a65775d28e..2eed2c8b98d 100644
--- a/sound/pci/hda/patch_nvhdmi.c
+++ b/sound/pci/hda/patch_nvhdmi.c
@@ -116,6 +116,7 @@ static int nvhdmi_build_pcms(struct hda_codec *codec)
 	codec->pcm_info = info;
 
 	info->name = "NVIDIA HDMI";
+	info->pcm_type = HDA_PCM_TYPE_HDMI;
 	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_digital_playback;
 
 	return 0;
-- 
GitLab


From 9a3f371e9962749e5bdcf45a3bebdba555651a2b Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 15 Oct 2008 17:07:47 +0100
Subject: [PATCH 0601/2224] ALSA: Handle NULL jacks in snd_jack_report()

Facilitate drivers that wish to carry on if they can't create a jack
input device by handling attempts to report the state of a NULL jack,
removing the need to check for initialisation before use.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/jack.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/core/jack.c b/sound/core/jack.c
index 8133a2b173a..bd2d9e6b55e 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -147,6 +147,9 @@ EXPORT_SYMBOL(snd_jack_set_parent);
  */
 void snd_jack_report(struct snd_jack *jack, int status)
 {
+	if (!jack)
+		return;
+
 	if (jack->type & SND_JACK_HEADPHONE)
 		input_report_switch(jack->input_dev, SW_HEADPHONE_INSERT,
 				    status & SND_JACK_HEADPHONE);
-- 
GitLab


From 1c85cc64456c97f3b265788abafec5c482c6a908 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 15 Oct 2008 14:38:40 -0700
Subject: [PATCH 0602/2224] ALSA: kernel docs: fix sound/core/ kernel-doc

Add kernel-doc function short descriptions to sound/core functions that
are missing this short description.  Mostly this involves moving some of
the function description onto the @funcname line.

Also correct a few variable names and fix other kernel-doc notation.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/pcm_lib.c    | 48 ++++++++++++++++++++---------------------
 sound/core/pcm_native.c | 24 +++++++--------------
 2 files changed, 32 insertions(+), 40 deletions(-)

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 6ea5cfb8399..921691080f3 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -908,12 +908,12 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond,
 EXPORT_SYMBOL(snd_pcm_hw_rule_add);
 
 /**
- * snd_pcm_hw_constraint_mask
+ * snd_pcm_hw_constraint_mask - apply the given bitmap mask constraint
  * @runtime: PCM runtime instance
  * @var: hw_params variable to apply the mask
  * @mask: the bitmap mask
  *
- * Apply the constraint of the given bitmap mask to a mask parameter.
+ * Apply the constraint of the given bitmap mask to a 32-bit mask parameter.
  */
 int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
 			       u_int32_t mask)
@@ -928,12 +928,12 @@ int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param
 }
 
 /**
- * snd_pcm_hw_constraint_mask64
+ * snd_pcm_hw_constraint_mask64 - apply the given bitmap mask constraint
  * @runtime: PCM runtime instance
  * @var: hw_params variable to apply the mask
  * @mask: the 64bit bitmap mask
  *
- * Apply the constraint of the given bitmap mask to a mask parameter.
+ * Apply the constraint of the given bitmap mask to a 64-bit mask parameter.
  */
 int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
 				 u_int64_t mask)
@@ -949,7 +949,7 @@ int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_par
 }
 
 /**
- * snd_pcm_hw_constraint_integer
+ * snd_pcm_hw_constraint_integer - apply an integer constraint to an interval
  * @runtime: PCM runtime instance
  * @var: hw_params variable to apply the integer constraint
  *
@@ -964,7 +964,7 @@ int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_pa
 EXPORT_SYMBOL(snd_pcm_hw_constraint_integer);
 
 /**
- * snd_pcm_hw_constraint_minmax
+ * snd_pcm_hw_constraint_minmax - apply a min/max range constraint to an interval
  * @runtime: PCM runtime instance
  * @var: hw_params variable to apply the range
  * @min: the minimal value
@@ -995,7 +995,7 @@ static int snd_pcm_hw_rule_list(struct snd_pcm_hw_params *params,
 
 
 /**
- * snd_pcm_hw_constraint_list
+ * snd_pcm_hw_constraint_list - apply a list of constraints to a parameter
  * @runtime: PCM runtime instance
  * @cond: condition bits
  * @var: hw_params variable to apply the list constraint
@@ -1031,7 +1031,7 @@ static int snd_pcm_hw_rule_ratnums(struct snd_pcm_hw_params *params,
 }
 
 /**
- * snd_pcm_hw_constraint_ratnums
+ * snd_pcm_hw_constraint_ratnums - apply ratnums constraint to a parameter
  * @runtime: PCM runtime instance
  * @cond: condition bits
  * @var: hw_params variable to apply the ratnums constraint
@@ -1064,7 +1064,7 @@ static int snd_pcm_hw_rule_ratdens(struct snd_pcm_hw_params *params,
 }
 
 /**
- * snd_pcm_hw_constraint_ratdens
+ * snd_pcm_hw_constraint_ratdens - apply ratdens constraint to a parameter
  * @runtime: PCM runtime instance
  * @cond: condition bits
  * @var: hw_params variable to apply the ratdens constraint
@@ -1095,7 +1095,7 @@ static int snd_pcm_hw_rule_msbits(struct snd_pcm_hw_params *params,
 }
 
 /**
- * snd_pcm_hw_constraint_msbits
+ * snd_pcm_hw_constraint_msbits - add a hw constraint msbits rule
  * @runtime: PCM runtime instance
  * @cond: condition bits
  * @width: sample bits width
@@ -1123,7 +1123,7 @@ static int snd_pcm_hw_rule_step(struct snd_pcm_hw_params *params,
 }
 
 /**
- * snd_pcm_hw_constraint_step
+ * snd_pcm_hw_constraint_step - add a hw constraint step rule
  * @runtime: PCM runtime instance
  * @cond: condition bits
  * @var: hw_params variable to apply the step constraint
@@ -1154,7 +1154,7 @@ static int snd_pcm_hw_rule_pow2(struct snd_pcm_hw_params *params, struct snd_pcm
 }		
 
 /**
- * snd_pcm_hw_constraint_pow2
+ * snd_pcm_hw_constraint_pow2 - add a hw constraint power-of-2 rule
  * @runtime: PCM runtime instance
  * @cond: condition bits
  * @var: hw_params variable to apply the power-of-2 constraint
@@ -1202,13 +1202,13 @@ void _snd_pcm_hw_params_any(struct snd_pcm_hw_params *params)
 EXPORT_SYMBOL(_snd_pcm_hw_params_any);
 
 /**
- * snd_pcm_hw_param_value
+ * snd_pcm_hw_param_value - return @params field @var value
  * @params: the hw_params instance
  * @var: parameter to retrieve
- * @dir: pointer to the direction (-1,0,1) or NULL
+ * @dir: pointer to the direction (-1,0,1) or %NULL
  *
- * Return the value for field PAR if it's fixed in configuration space 
- *  defined by PARAMS. Return -EINVAL otherwise
+ * Return the value for field @var if it's fixed in configuration space
+ * defined by @params. Return -%EINVAL otherwise.
  */
 int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params,
 			   snd_pcm_hw_param_t var, int *dir)
@@ -1271,13 +1271,13 @@ static int _snd_pcm_hw_param_first(struct snd_pcm_hw_params *params,
 
 
 /**
- * snd_pcm_hw_param_first
+ * snd_pcm_hw_param_first - refine config space and return minimum value
  * @pcm: PCM instance
  * @params: the hw_params instance
  * @var: parameter to retrieve
- * @dir: pointer to the direction (-1,0,1) or NULL
+ * @dir: pointer to the direction (-1,0,1) or %NULL
  *
- * Inside configuration space defined by PARAMS remove from PAR all 
+ * Inside configuration space defined by @params remove from @var all
  * values > minimum. Reduce configuration space accordingly.
  * Return the minimum.
  */
@@ -1317,13 +1317,13 @@ static int _snd_pcm_hw_param_last(struct snd_pcm_hw_params *params,
 
 
 /**
- * snd_pcm_hw_param_last
+ * snd_pcm_hw_param_last - refine config space and return maximum value
  * @pcm: PCM instance
  * @params: the hw_params instance
  * @var: parameter to retrieve
- * @dir: pointer to the direction (-1,0,1) or NULL
+ * @dir: pointer to the direction (-1,0,1) or %NULL
  *
- * Inside configuration space defined by PARAMS remove from PAR all 
+ * Inside configuration space defined by @params remove from @var all
  * values < maximum. Reduce configuration space accordingly.
  * Return the maximum.
  */
@@ -1345,11 +1345,11 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm,
 EXPORT_SYMBOL(snd_pcm_hw_param_last);
 
 /**
- * snd_pcm_hw_param_choose
+ * snd_pcm_hw_param_choose - choose a configuration defined by @params
  * @pcm: PCM instance
  * @params: the hw_params instance
  *
- * Choose one configuration from configuration space defined by PARAMS
+ * Choose one configuration from configuration space defined by @params.
  * The configuration chosen is that obtained fixing in this order:
  * first access, first format, first subformat, min channels,
  * min rate, min period time, max buffer size, min tick time
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index e61e12506de..aef18682c03 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -875,10 +875,8 @@ static struct action_ops snd_pcm_action_start = {
 };
 
 /**
- * snd_pcm_start
+ * snd_pcm_start - start all linked streams
  * @substream: the PCM substream instance
- *
- * Start all linked streams.
  */
 int snd_pcm_start(struct snd_pcm_substream *substream)
 {
@@ -926,12 +924,11 @@ static struct action_ops snd_pcm_action_stop = {
 };
 
 /**
- * snd_pcm_stop
+ * snd_pcm_stop - try to stop all running streams in the substream group
  * @substream: the PCM substream instance
  * @state: PCM state after stopping the stream
  *
- * Try to stop all running streams in the substream group.
- * The state of each stream is changed to the given value after that unconditionally.
+ * The state of each stream is then changed to the given state unconditionally.
  */
 int snd_pcm_stop(struct snd_pcm_substream *substream, int state)
 {
@@ -941,11 +938,10 @@ int snd_pcm_stop(struct snd_pcm_substream *substream, int state)
 EXPORT_SYMBOL(snd_pcm_stop);
 
 /**
- * snd_pcm_drain_done
+ * snd_pcm_drain_done - stop the DMA only when the given stream is playback
  * @substream: the PCM substream
  *
- * Stop the DMA only when the given stream is playback.
- * The state is changed to SETUP.
+ * After stopping, the state is changed to SETUP.
  * Unlike snd_pcm_stop(), this affects only the given stream.
  */
 int snd_pcm_drain_done(struct snd_pcm_substream *substream)
@@ -1065,10 +1061,9 @@ static struct action_ops snd_pcm_action_suspend = {
 };
 
 /**
- * snd_pcm_suspend
+ * snd_pcm_suspend - trigger SUSPEND to all linked streams
  * @substream: the PCM substream
  *
- * Trigger SUSPEND to all linked streams.
  * After this call, all streams are changed to SUSPENDED state.
  */
 int snd_pcm_suspend(struct snd_pcm_substream *substream)
@@ -1088,10 +1083,9 @@ int snd_pcm_suspend(struct snd_pcm_substream *substream)
 EXPORT_SYMBOL(snd_pcm_suspend);
 
 /**
- * snd_pcm_suspend_all
+ * snd_pcm_suspend_all - trigger SUSPEND to all substreams in the given pcm
  * @pcm: the PCM instance
  *
- * Trigger SUSPEND to all substreams in the given pcm.
  * After this call, all streams are changed to SUSPENDED state.
  */
 int snd_pcm_suspend_all(struct snd_pcm *pcm)
@@ -1313,11 +1307,9 @@ static struct action_ops snd_pcm_action_prepare = {
 };
 
 /**
- * snd_pcm_prepare
+ * snd_pcm_prepare - prepare the PCM substream to be triggerable
  * @substream: the PCM substream instance
  * @file: file to refer f_flags
- *
- * Prepare the PCM substream to be triggerable.
  */
 static int snd_pcm_prepare(struct snd_pcm_substream *substream,
 			   struct file *file)
-- 
GitLab


From 5dd2d3322836036da169904afcb7d0f6dff5363f Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jeff@garzik.org>
Date: Thu, 16 Oct 2008 05:09:31 -0400
Subject: [PATCH 0603/2224] [netdrvr] myri10ge, ixgbe: remove broken select
 INTEL_IOATDMA

We cannot select INTEL_IOATDMA in Kconfig as soon as MYRI10GE or IXGBE
is enabled since the former is not available on all architectures.

Just use a Kconfig bool {IXGBE,MYRI10GE}_DCA set to =y when DCA
support can actually be built.

[myri10ge portion written and signed-off-by] Brice Goglin <brice@myri.com>

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/Kconfig             | 12 ++++++++++--
 drivers/net/ixgbe/ixgbe.h       |  4 ++--
 drivers/net/ixgbe/ixgbe_main.c  | 32 ++++++++++++++++----------------
 drivers/net/myri10ge/myri10ge.c | 26 +++++++++++++-------------
 4 files changed, 41 insertions(+), 33 deletions(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 1d8af334833..ad301ace608 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2410,7 +2410,6 @@ config IXGBE
 	tristate "Intel(R) 10GbE PCI Express adapters support"
 	depends on PCI && INET
 	select INET_LRO
-	select INTEL_IOATDMA
 	---help---
 	  This driver supports Intel(R) 10GbE PCI Express family of
 	  adapters.  For more information on how to identify your adapter, go
@@ -2426,6 +2425,11 @@ config IXGBE
 	  To compile this driver as a module, choose M here. The module
 	  will be called ixgbe.
 
+config IXGBE_DCA
+	bool
+	default y
+	depends on IXGBE && DCA && !(IXGBE=y && DCA=m)
+
 config IXGB
 	tristate "Intel(R) PRO/10GbE support"
 	depends on PCI
@@ -2462,7 +2466,6 @@ config MYRI10GE
 	select FW_LOADER
 	select CRC32
 	select INET_LRO
-	select INTEL_IOATDMA
 	---help---
 	  This driver supports Myricom Myri-10G Dual Protocol interface in
 	  Ethernet mode. If the eeprom on your board is not recent enough,
@@ -2474,6 +2477,11 @@ config MYRI10GE
 	  To compile this driver as a module, choose M here. The module
 	  will be called myri10ge.
 
+config MYRI10GE_DCA
+	bool
+	default y
+	depends on MYRI10GE && DCA && !(MYRI10GE=y && DCA=m)
+
 config NETXEN_NIC
 	tristate "NetXen Multi port (1/10) Gigabit Ethernet NIC"
 	depends on PCI
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 2198b77c53e..e116d340dcc 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -36,7 +36,7 @@
 #include "ixgbe_type.h"
 #include "ixgbe_common.h"
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 #include <linux/dca.h>
 #endif
 
@@ -136,7 +136,7 @@ struct ixgbe_ring {
 		      * offset associated with this ring, which is different
 		      * for DCE and RSS modes */
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	/* cpu for tx queue */
 	int cpu;
 #endif
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index ca17af4349d..7548fb7360d 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -80,7 +80,7 @@ static struct pci_device_id ixgbe_pci_tbl[] = {
 };
 MODULE_DEVICE_TABLE(pci, ixgbe_pci_tbl);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 static int ixgbe_notify_dca(struct notifier_block *, unsigned long event,
                             void *p);
 static struct notifier_block dca_notifier = {
@@ -296,7 +296,7 @@ done_cleaning:
 	return (total_packets ? true : false);
 }
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter,
                                 struct ixgbe_ring *rx_ring)
 {
@@ -383,7 +383,7 @@ static int __ixgbe_notify_dca(struct device *dev, void *data)
 	return 0;
 }
 
-#endif /* CONFIG_DCA or CONFIG_DCA_MODULE */
+#endif /* CONFIG_IXGBE_DCA */
 /**
  * ixgbe_receive_skb - Send a completed packet up the stack
  * @adapter: board private structure
@@ -947,7 +947,7 @@ static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data)
 	r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues);
 	for (i = 0; i < q_vector->txr_count; i++) {
 		tx_ring = &(adapter->tx_ring[r_idx]);
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 		if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
 			ixgbe_update_tx_dca(adapter, tx_ring);
 #endif
@@ -1022,7 +1022,7 @@ static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget)
 
 	r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
 	rx_ring = &(adapter->rx_ring[r_idx]);
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
 		ixgbe_update_rx_dca(adapter, rx_ring);
 #endif
@@ -1066,7 +1066,7 @@ static int ixgbe_clean_rxonly_many(struct napi_struct *napi, int budget)
 	r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
 	for (i = 0; i < q_vector->rxr_count; i++) {
 		rx_ring = &(adapter->rx_ring[r_idx]);
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 		if (adapter->flags & IXGBE_FLAG_DCA_ENABLED)
 			ixgbe_update_rx_dca(adapter, rx_ring);
 #endif
@@ -2155,7 +2155,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 
 	netif_carrier_off(netdev);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
 		adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED;
 		dca_remove_requester(&adapter->pdev->dev);
@@ -2167,7 +2167,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 	ixgbe_clean_all_tx_rings(adapter);
 	ixgbe_clean_all_rx_rings(adapter);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	/* since we reset the hardware DCA settings were cleared */
 	if (dca_add_requester(&adapter->pdev->dev) == 0) {
 		adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
@@ -2193,7 +2193,7 @@ static int ixgbe_poll(struct napi_struct *napi, int budget)
 	struct ixgbe_adapter *adapter = q_vector->adapter;
 	int tx_cleaned, work_done = 0;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
 		ixgbe_update_tx_dca(adapter, adapter->tx_ring);
 		ixgbe_update_rx_dca(adapter, adapter->rx_ring);
@@ -3922,7 +3922,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	if (err)
 		goto err_register;
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	if (dca_add_requester(&pdev->dev) == 0) {
 		adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
 		/* always use CB2 mode, difference is masked
@@ -3972,7 +3972,7 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
 
 	flush_scheduled_work();
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
 		adapter->flags &= ~IXGBE_FLAG_DCA_ENABLED;
 		dca_remove_requester(&pdev->dev);
@@ -4105,10 +4105,10 @@ static int __init ixgbe_init_module(void)
 
 	printk(KERN_INFO "%s: %s\n", ixgbe_driver_name, ixgbe_copyright);
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	dca_register_notify(&dca_notifier);
-
 #endif
+
 	ret = pci_register_driver(&ixgbe_driver);
 	return ret;
 }
@@ -4123,13 +4123,13 @@ module_init(ixgbe_init_module);
  **/
 static void __exit ixgbe_exit_module(void)
 {
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 	dca_unregister_notify(&dca_notifier);
 #endif
 	pci_unregister_driver(&ixgbe_driver);
 }
 
-#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+#ifdef CONFIG_IXGBE_DCA
 static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event,
                             void *p)
 {
@@ -4140,7 +4140,7 @@ static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event,
 
 	return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
 }
-#endif /* CONFIG_DCA or CONFIG_DCA_MODULE */
+#endif /* CONFIG_IXGBE_DCA */
 
 module_exit(ixgbe_exit_module);
 
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 6dce901c7f4..a9aebad5265 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -188,7 +188,7 @@ struct myri10ge_slice_state {
 	dma_addr_t fw_stats_bus;
 	int watchdog_tx_done;
 	int watchdog_tx_req;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	int cached_dca_tag;
 	int cpu;
 	__be32 __iomem *dca_tag;
@@ -220,7 +220,7 @@ struct myri10ge_priv {
 	int msi_enabled;
 	int msix_enabled;
 	struct msix_entry *msix_vectors;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	int dca_enabled;
 #endif
 	u32 link_state;
@@ -902,7 +902,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
 	struct myri10ge_slice_state *ss;
 	int i, status;
 	size_t bytes;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	unsigned long dca_tag_off;
 #endif
 
@@ -1012,7 +1012,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
 	}
 	put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_DCA_OFFSET, &cmd, 0);
 	dca_tag_off = cmd.data0;
 	for (i = 0; i < mgp->num_slices; i++) {
@@ -1051,7 +1051,7 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
 	return status;
 }
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 static void
 myri10ge_write_dca(struct myri10ge_slice_state *ss, int cpu, int tag)
 {
@@ -1505,7 +1505,7 @@ static int myri10ge_poll(struct napi_struct *napi, int budget)
 	struct net_device *netdev = ss->mgp->dev;
 	int work_done;
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	if (ss->mgp->dca_enabled)
 		myri10ge_update_dca(ss);
 #endif
@@ -1736,7 +1736,7 @@ static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
 	"tx_boundary", "WC", "irq", "MSI", "MSIX",
 	"read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
 	"serial_number", "watchdog_resets",
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	"dca_capable_firmware", "dca_device_present",
 #endif
 	"link_changes", "link_up", "dropped_link_overflow",
@@ -1815,7 +1815,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
 	data[i++] = (unsigned int)mgp->read_write_dma;
 	data[i++] = (unsigned int)mgp->serial_number;
 	data[i++] = (unsigned int)mgp->watchdog_resets;
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	data[i++] = (unsigned int)(mgp->ss[0].dca_tag != NULL);
 	data[i++] = (unsigned int)(mgp->dca_enabled);
 #endif
@@ -3844,7 +3844,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		dev_err(&pdev->dev, "failed reset\n");
 		goto abort_with_slices;
 	}
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	myri10ge_setup_dca(mgp);
 #endif
 	pci_set_drvdata(pdev, mgp);
@@ -3948,7 +3948,7 @@ static void myri10ge_remove(struct pci_dev *pdev)
 	netdev = mgp->dev;
 	unregister_netdev(netdev);
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	myri10ge_teardown_dca(mgp);
 #endif
 	myri10ge_dummy_rdma(mgp, 0);
@@ -3993,7 +3993,7 @@ static struct pci_driver myri10ge_driver = {
 #endif
 };
 
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 static int
 myri10ge_notify_dca(struct notifier_block *nb, unsigned long event, void *p)
 {
@@ -4024,7 +4024,7 @@ static __init int myri10ge_init_module(void)
 		       myri10ge_driver.name, myri10ge_rss_hash);
 		myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_PORT;
 	}
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	dca_register_notify(&myri10ge_dca_notifier);
 #endif
 	if (myri10ge_max_slices > MYRI10GE_MAX_SLICES)
@@ -4037,7 +4037,7 @@ module_init(myri10ge_init_module);
 
 static __exit void myri10ge_cleanup_module(void)
 {
-#if (defined CONFIG_DCA) || (defined CONFIG_DCA_MODULE)
+#ifdef CONFIG_MYRI10GE_DCA
 	dca_unregister_notify(&myri10ge_dca_notifier);
 #endif
 	pci_unregister_driver(&myri10ge_driver);
-- 
GitLab


From 8ab7b66796920e785d27c88fcde1539fa661ae14 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@redhat.com>
Date: Wed, 15 Oct 2008 11:50:42 +0100
Subject: [PATCH 0604/2224] lmc: copy_*_user under spinlock

Not sure anyone uses this driver any more, maybe we should just drop it ?
Code is still foul but at least a fraction less broken.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/wan/lmc/lmc_main.c | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index f80640f5a74..d7bb63e616b 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -122,7 +122,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
      * Most functions mess with the structure
      * Disable interrupts while we do the polling
      */
-    spin_lock_irqsave(&sc->lmc_lock, flags);
 
     switch (cmd) {
         /*
@@ -152,6 +151,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 		break;
 	}
 
+	spin_lock_irqsave(&sc->lmc_lock, flags);
         sc->lmc_media->set_status (sc, &ctl);
 
         if(ctl.crc_length != sc->ictl.crc_length) {
@@ -161,6 +161,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 	    else
 		sc->TxDescriptControlInit &= ~LMC_TDES_ADD_CRC_DISABLE;
         }
+	spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
         ret = 0;
         break;
@@ -187,15 +188,18 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 		break;				/* no change */
             }
             
+	    spin_lock_irqsave(&sc->lmc_lock, flags);
             lmc_proto_close(sc);
 
             sc->if_type = new_type;
             lmc_proto_attach(sc);
 	    ret = lmc_proto_open(sc);
+	    spin_unlock_irqrestore(&sc->lmc_lock, flags);
 	    break;
 	}
 
     case LMCIOCGETXINFO: /*fold01*/
+	spin_lock_irqsave(&sc->lmc_lock, flags);
         sc->lmc_xinfo.Magic0 = 0xBEEFCAFE;
 
         sc->lmc_xinfo.PciCardType = sc->lmc_cardtype;
@@ -208,6 +212,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
         sc->lmc_xinfo.MaxFrameSize = LMC_PKT_BUF_SZ;
         sc->lmc_xinfo.link_status = sc->lmc_media->get_link_status (sc);
         sc->lmc_xinfo.mii_reg16 = lmc_mii_readreg (sc, 0, 16);
+	spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
         sc->lmc_xinfo.Magic1 = 0xDEADBEEF;
 
@@ -220,6 +225,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
         break;
 
     case LMCIOCGETLMCSTATS:
+	    spin_lock_irqsave(&sc->lmc_lock, flags);
 	    if (sc->lmc_cardtype == LMC_CARDTYPE_T1) {
 		    lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_LSB);
 		    sc->extra_stats.framingBitErrorCount +=
@@ -243,6 +249,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 		    sc->extra_stats.severelyErroredFrameCount +=
 			    regVal & T1FRAMER_SEF_MASK;
 	    }
+	    spin_unlock_irqrestore(&sc->lmc_lock, flags);
 	    if (copy_to_user(ifr->ifr_data, &sc->lmc_device->stats,
 			     sizeof(sc->lmc_device->stats)) ||
 		copy_to_user(ifr->ifr_data + sizeof(sc->lmc_device->stats),
@@ -258,12 +265,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 		    break;
 	    }
 
+	    spin_lock_irqsave(&sc->lmc_lock, flags);
 	    memset(&sc->lmc_device->stats, 0, sizeof(sc->lmc_device->stats));
 	    memset(&sc->extra_stats, 0, sizeof(sc->extra_stats));
 	    sc->extra_stats.check = STATCHECK;
 	    sc->extra_stats.version_size = (DRIVER_VERSION << 16) +
 		    sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats);
 	    sc->extra_stats.lmc_cardtype = sc->lmc_cardtype;
+	    spin_unlock_irqrestore(&sc->lmc_lock, flags);
 	    ret = 0;
 	    break;
 
@@ -282,8 +291,10 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 		ret = -EFAULT;
 		break;
 	}
+	spin_lock_irqsave(&sc->lmc_lock, flags);
         sc->lmc_media->set_circuit_type(sc, ctl.circuit_type);
         sc->ictl.circuit_type = ctl.circuit_type;
+	spin_unlock_irqrestore(&sc->lmc_lock, flags);
         ret = 0;
 
         break;
@@ -294,12 +305,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
             break;
         }
 
+	spin_lock_irqsave(&sc->lmc_lock, flags);
         /* Reset driver and bring back to current state */
         printk (" REG16 before reset +%04x\n", lmc_mii_readreg (sc, 0, 16));
         lmc_running_reset (dev);
         printk (" REG16 after reset +%04x\n", lmc_mii_readreg (sc, 0, 16));
 
         LMC_EVENT_LOG(LMC_EVENT_FORCEDRESET, LMC_CSR_READ (sc, csr_status), lmc_mii_readreg (sc, 0, 16));
+	spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
         ret = 0;
         break;
@@ -338,14 +351,15 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
              */
             netif_stop_queue(dev);
 
-	if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) {
+	    if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) {
 		ret = -EFAULT;
 		break;
-	}
+	    }
             switch(xc.command){
             case lmc_xilinx_reset: /*fold02*/
                 {
                     u16 mii;
+		    spin_lock_irqsave(&sc->lmc_lock, flags);
                     mii = lmc_mii_readreg (sc, 0, 16);
 
                     /*
@@ -404,6 +418,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                             lmc_led_off(sc, LMC_DS3_LED2);
                         }
                     }
+		    spin_unlock_irqrestore(&sc->lmc_lock, flags);
                     
                     
 
@@ -416,6 +431,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                 {
                     u16 mii;
                     int timeout = 500000;
+		    spin_lock_irqsave(&sc->lmc_lock, flags);
                     mii = lmc_mii_readreg (sc, 0, 16);
 
                     /*
@@ -451,13 +467,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                      */
                     while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
                            (timeout-- > 0))
-                        ;
+                        cpu_relax();
 
 
                     /*
                      * stop driving Xilinx-related signals
                      */
                     lmc_gpio_mkinput(sc, 0xff);
+		    spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
                     ret = 0x0;
                     
@@ -493,6 +510,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 
                     printk("%s: Starting load of data Len: %d at 0x%p == 0x%p\n", dev->name, xc.len, xc.data, data);
 
+		    spin_lock_irqsave(&sc->lmc_lock, flags);
                     lmc_gpio_mkinput(sc, 0xff);
 
                     /*
@@ -545,7 +563,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
                      */
                     while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
                            (timeout-- > 0))
-                        ;
+                        cpu_relax();
 
                     printk(KERN_DEBUG "%s: Waited %d for the Xilinx to clear it's memory\n", dev->name, 500000-timeout);
 
@@ -588,6 +606,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
 
                     sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET;
                     lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16);
+		    spin_unlock_irqrestore(&sc->lmc_lock, flags);
 
                     kfree(data);
                     
@@ -611,8 +630,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/
         break;
     }
 
-    spin_unlock_irqrestore(&sc->lmc_lock, flags); /*fold01*/
-
     lmc_trace(dev, "lmc_ioctl out");
 
     return ret;
-- 
GitLab


From 617a20bbd099040b68f3578a0a1da5e8780d1831 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Tue, 14 Oct 2008 17:50:42 -0700
Subject: [PATCH 0605/2224] xen-netfront: Avoid unaligned accesses to IP header

Align ip header to a 16 byte boundary to avoid unaligned
access like other drivers.
Without this patch, xen-netfront doesn't work well on ia64.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/xen-netfront.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index c749bdba214..9ffe743f4eb 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -239,11 +239,14 @@ static void xennet_alloc_rx_buffers(struct net_device *dev)
 	 */
 	batch_target = np->rx_target - (req_prod - np->rx.rsp_cons);
 	for (i = skb_queue_len(&np->rx_batch); i < batch_target; i++) {
-		skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD,
+		skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD + NET_IP_ALIGN,
 					 GFP_ATOMIC | __GFP_NOWARN);
 		if (unlikely(!skb))
 			goto no_skb;
 
+		/* Align ip header to a 16 bytes boundary */
+		skb_reserve(skb, NET_IP_ALIGN);
+
 		page = alloc_page(GFP_ATOMIC | __GFP_NOWARN);
 		if (!page) {
 			kfree_skb(skb);
-- 
GitLab


From dc976c09da4e13b2b3fda23cca9d0682d1de7213 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Mon, 13 Oct 2008 15:02:31 +0100
Subject: [PATCH 0606/2224] [netdrvr] ibmtr: PCMCIA IBMTR is ok on 64bit

For whatever value of 'OK' can be applied to the use of token ring. Seems
the 32bit to 64bit cleanups missed re-enabling the pcmcia driver

Closes #7133 and also reviewed the code in question

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/pcmcia/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/pcmcia/Kconfig b/drivers/net/pcmcia/Kconfig
index e8f55d8ed7a..9b8f793b1cc 100644
--- a/drivers/net/pcmcia/Kconfig
+++ b/drivers/net/pcmcia/Kconfig
@@ -111,7 +111,7 @@ config ARCNET_COM20020_CS
 
 config PCMCIA_IBMTR
 	tristate "IBM PCMCIA tokenring adapter support"
-	depends on IBMTR!=y && TR && !64BIT
+	depends on IBMTR!=y && TR
 	help
 	  Say Y here if you intend to attach this type of Token Ring PCMCIA
 	  card to your computer. You then also need to say Y to "Token Ring
-- 
GitLab


From 73bdf0a60e607f4b8ecc5aec597105976565a84f Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 15 Oct 2008 08:35:12 -0700
Subject: [PATCH 0607/2224] Introduce is_vmalloc_or_module_addr() and use with
 DEBUG_VIRTUAL

Impact: crash on module insertion with CONFIG_DEBUG_VIRTUAL

We would incorrectly BUG due to:

   VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) &&
   	          !is_module_address(addr));

... because, at least on x86-64, is_module_address() doesn't do what
it should.  This patch introduces is_vmalloc_or_module_addr(), which
is what we really want anyway, and uses it instead.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 mm/vmalloc.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index bba06c41fc5..f018d7e0add 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -168,6 +168,21 @@ int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
 }
 EXPORT_SYMBOL_GPL(map_vm_area);
 
+static inline int is_vmalloc_or_module_addr(const void *x)
+{
+	/*
+	 * x86-64 and sparc64 put modules in a special place,
+	 * and fall back on vmalloc() if that fails. Others
+	 * just put it in the vmalloc space.
+	 */
+#if defined(CONFIG_MODULES) && defined(MODULES_VADDR)
+	unsigned long addr = (unsigned long)x;
+	if (addr >= MODULES_VADDR && addr < MODULES_END)
+		return 1;
+#endif
+	return is_vmalloc_addr(x);
+}
+
 /*
  * Map a vmalloc()-space virtual address to the physical page.
  */
@@ -184,8 +199,7 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
 	 * XXX we might need to change this if we add VIRTUAL_BUG_ON for
 	 * architectures that do not vmalloc module space
 	 */
-	VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) &&
-			!is_module_address(addr));
+	VIRTUAL_BUG_ON(!is_vmalloc_or_module_addr(vmalloc_addr));
 
 	if (!pgd_none(*pgd)) {
 		pud = pud_offset(pgd, addr);
-- 
GitLab


From 463baa8a0947f858d6db1c56d87eeaf1176ba7bb Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 16 Oct 2008 20:29:07 +1100
Subject: [PATCH 0608/2224] powerpc: fix linux-next build failure

Today's linux-next build (powerpc allyesconfig) failed like this:

In file included from arch/powerpc/include/asm/mmu-hash64.h:17,
                 from arch/powerpc/include/asm/mmu.h:8,
                 from arch/powerpc/include/asm/pgtable.h:8,
                 from arch/powerpc/mm/slb.c:20:
arch/powerpc/include/asm/page.h:76: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'memstart_addr'
arch/powerpc/include/asm/page.h:77: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'kernstart_addr'

Caused by commit 600715dcdf567c86f8b2c6173fcfb4b873e25a19 ("generic: add
phys_addr_t for holding physical addresses") from the tip-core tree.
This only fails if CONFIG_RELOCATABLE is set.

So include that instead of asm/types.h in asm/page.h for
the CONFIG_RELOCATABLE case.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: ppc-dev <linuxppc-dev@ozlabs.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/powerpc/include/asm/page.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index e088545cb3f..94fe5138b30 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -10,9 +10,13 @@
  * 2 of the License, or (at your option) any later version.
  */
 
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#else
+#include <asm/types.h>
+#endif
 #include <asm/asm-compat.h>
 #include <asm/kdump.h>
-#include <asm/types.h>
 
 /*
  * On PPC32 page size is 4K. For PPC64 we support either 4K or 64K software
-- 
GitLab


From cdbdd1676a5379f1d5cbd4d476f5e349f445befe Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 16 Oct 2008 11:00:06 +0100
Subject: [PATCH 0609/2224] ALSA: ASoC: Convert playpaq_wm8510 to bulk route
 registration API

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/soc/at32/playpaq_wm8510.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/sound/soc/at32/playpaq_wm8510.c b/sound/soc/at32/playpaq_wm8510.c
index 98a2d5826a8..b1966e4dfcd 100644
--- a/sound/soc/at32/playpaq_wm8510.c
+++ b/sound/soc/at32/playpaq_wm8510.c
@@ -304,7 +304,7 @@ static const struct snd_soc_dapm_widget playpaq_dapm_widgets[] = {
 
 
 
-static const char *intercon[][3] = {
+static const struct snd_soc_dapm_route intercon[] = {
 	/* speaker connected to SPKOUT */
 	{"Ext Spk", NULL, "SPKOUTP"},
 	{"Ext Spk", NULL, "SPKOUTN"},
@@ -312,9 +312,6 @@ static const char *intercon[][3] = {
 	{"Mic Bias", NULL, "Int Mic"},
 	{"MICN", NULL, "Mic Bias"},
 	{"MICP", NULL, "Mic Bias"},
-
-	/* Terminator */
-	{NULL, NULL, NULL},
 };
 
 
@@ -334,11 +331,8 @@ static int playpaq_wm8510_init(struct snd_soc_codec *codec)
 	/*
 	 * Setup audio path interconnects
 	 */
-	for (i = 0; intercon[i][0] != NULL; i++) {
-		snd_soc_dapm_connect_input(codec,
-					   intercon[i][0],
-					   intercon[i][1], intercon[i][2]);
-	}
+	snd_soc_dapm_add_routes(codec, intercon, ARRAY_SIZE(intercon));
+
 
 
 	/* always connected pins */
-- 
GitLab


From 8092d7c9789581eea478c40d615a2632c3af17bb Mon Sep 17 00:00:00 2001
From: David Vrabel <dv02@dv02pc01.europe.root.pri>
Date: Thu, 16 Oct 2008 13:56:53 +0100
Subject: [PATCH 0610/2224] uwb: don't use printk_ratelimit() so often

Avoid using printk_ratelimit() in many places because:
  - many were error messages reporting broken hardware (it's useful to
    get all of these).
  - the message itself wasn't useful so the message has been removed.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/usb/wusbcore/devconnect.c | 27 ++++------------------
 drivers/usb/wusbcore/mmc.c        | 14 +++---------
 drivers/uwb/beacon.c              |  9 +++-----
 drivers/uwb/est.c                 | 38 ++++++++++++-------------------
 drivers/uwb/i1480/dfu/mac.c       |  4 +---
 drivers/uwb/neh.c                 |  2 +-
 drivers/uwb/uwbd.c                | 29 +++++------------------
 drivers/uwb/whc-rc.c              |  8 -------
 8 files changed, 34 insertions(+), 97 deletions(-)

diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index 30d7020e1c5..f45d777bef3 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -200,7 +200,6 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
 	u8 dev_addr;
 	int result;
 
-	d_fnstart(3, dev, "(wusbhc %p port_idx %d)\n", wusbhc, port_idx);
 	/* Is it registered already? */
 	list_for_each_entry(wusb_dev, &wusbhc->cack_list, cack_node)
 		if (!memcmp(&wusb_dev->cdid, &dnc->CDID,
@@ -208,13 +207,8 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
 			return wusb_dev;
 	/* We don't have it, create an entry, register it */
 	wusb_dev = wusb_dev_alloc(wusbhc);
-	if (wusb_dev == NULL) {
-		if (printk_ratelimit())
-			dev_err(dev, "DN CONNECT: no memory to process %s's %s "
-				"request\n", pr_cdid,
-				new_connection ? "connect" : "reconnect");
+	if (wusb_dev == NULL)
 		return NULL;
-	}
 	wusb_dev_init(wusb_dev);
 	wusb_dev->cdid = dnc->CDID;
 	wusb_dev->port_idx = port_idx;
@@ -246,7 +240,6 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
 	list_add_tail(&wusb_dev->cack_node, &wusbhc->cack_list);
 	wusbhc->cack_count++;
 	wusbhc_fill_cack_ie(wusbhc);
-	d_fnend(3, dev, "(wusbhc %p port_idx %d)\n", wusbhc, port_idx);
 	return wusb_dev;
 }
 
@@ -334,13 +327,8 @@ void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
 	for (idx = 0; idx < wusbhc->ports_max; idx++) {
 		port = wusb_port_by_idx(wusbhc, idx);
 		if (port->wusb_dev
-		    && !memcmp(&dnc->CDID, &port->wusb_dev->cdid,
-			       sizeof(dnc->CDID))) {
-			if (printk_ratelimit())
-				dev_err(dev, "Already handling dev %s "
-					" (it might be slow)\n", pr_cdid);
+		    && memcmp(&dnc->CDID, &port->wusb_dev->cdid, sizeof(dnc->CDID)) == 0)
 			goto error_unlock;
-		}
 	}
 	/* Look up those fake ports we have for a free one */
 	for (idx = 0; idx < wusbhc->ports_max; idx++) {
@@ -494,7 +482,6 @@ int wusbhc_devconnect_auth(struct wusbhc *wusbhc, u8 port_idx)
  */
 static void __wusbhc_keep_alive(struct wusbhc *wusbhc)
 {
-	int result;
 	struct device *dev = wusbhc->dev;
 	unsigned cnt;
 	struct wusb_dev *wusb_dev;
@@ -502,7 +489,6 @@ static void __wusbhc_keep_alive(struct wusbhc *wusbhc)
 	struct wuie_keep_alive *ie = &wusbhc->keep_alive_ie;
 	unsigned keep_alives, old_keep_alives;
 
-	d_fnstart(5, dev, "(wusbhc %p)\n", wusbhc);
 	old_keep_alives = ie->hdr.bLength - sizeof(ie->hdr);
 	keep_alives = 0;
 	for (cnt = 0;
@@ -531,13 +517,10 @@ static void __wusbhc_keep_alive(struct wusbhc *wusbhc)
 		ie->bDeviceAddress[keep_alives++] = 0x7f;
 	ie->hdr.bLength = sizeof(ie->hdr) +
 		keep_alives*sizeof(ie->bDeviceAddress[0]);
-	if (keep_alives > 0) {
-		result = wusbhc_mmcie_set(wusbhc, 10, 5, &ie->hdr);
-		if (result < 0 && printk_ratelimit())
-			dev_err(dev, "KEEPALIVE: can't set MMC: %d\n", result);
-	} else if (old_keep_alives != 0)
+	if (keep_alives > 0)
+		wusbhc_mmcie_set(wusbhc, 10, 5, &ie->hdr);
+	else if (old_keep_alives != 0)
 		wusbhc_mmcie_rm(wusbhc, &ie->hdr);
-	d_fnend(5, dev, "(wusbhc %p) = void\n", wusbhc);
 }
 
 /*
diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c
index 76907286f15..cfa77a01ceb 100644
--- a/drivers/usb/wusbcore/mmc.c
+++ b/drivers/usb/wusbcore/mmc.c
@@ -93,7 +93,6 @@ int wusbhc_mmcie_set(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
 		     struct wuie_hdr *wuie)
 {
 	int result = -ENOBUFS;
-	struct device *dev = wusbhc->dev;
 	unsigned handle, itr;
 
 	/* Search a handle, taking into account the ordering */
@@ -119,11 +118,8 @@ int wusbhc_mmcie_set(struct wusbhc *wusbhc, u8 interval, u8 repeat_cnt,
 			if (wusbhc->mmcie[itr] == NULL)
 				handle = itr;
 		}
-		if (handle == ~0) {
-			if (printk_ratelimit())
-				dev_err(dev, "MMC handle space exhausted\n");
+		if (handle == ~0)
 			goto error_unlock;
-		}
 	}
 	result = (wusbhc->mmcie_add)(wusbhc, interval, repeat_cnt, handle,
 				     wuie);
@@ -143,15 +139,15 @@ EXPORT_SYMBOL_GPL(wusbhc_mmcie_set);
 void wusbhc_mmcie_rm(struct wusbhc *wusbhc, struct wuie_hdr *wuie)
 {
 	int result;
-	struct device *dev = wusbhc->dev;
 	unsigned handle, itr;
 
 	mutex_lock(&wusbhc->mmcie_mutex);
-	for (itr = 0; itr < wusbhc->mmcies_max; itr++)
+	for (itr = 0; itr < wusbhc->mmcies_max; itr++) {
 		if (wusbhc->mmcie[itr] == wuie) {
 			handle = itr;
 			goto found;
 		}
+	}
 	mutex_unlock(&wusbhc->mmcie_mutex);
 	return;
 
@@ -159,11 +155,7 @@ found:
 	result = (wusbhc->mmcie_rm)(wusbhc, handle);
 	if (result == 0)
 		wusbhc->mmcie[itr] = NULL;
-	else if (printk_ratelimit())
-		dev_err(dev, "MMC: Failed to remove IE %p (0x%02x)\n",
-			wuie, wuie->bIEIdentifier);
 	mutex_unlock(&wusbhc->mmcie_mutex);
-	return;
 }
 EXPORT_SYMBOL_GPL(wusbhc_mmcie_rm);
 
diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c
index 1ccf9eb3e08..c7f3c972f07 100644
--- a/drivers/uwb/beacon.c
+++ b/drivers/uwb/beacon.c
@@ -410,7 +410,6 @@ int uwbd_evt_handle_rc_beacon(struct uwb_event *evt)
 	struct uwb_rc_evt_beacon *be;
 	struct uwb_beacon_frame *bf;
 	struct uwb_beca_e *bce;
-	struct device *dev = &evt->rc->uwb_dev.dev;
 	unsigned long last_ts;
 
 	rc = evt->rc;
@@ -419,14 +418,12 @@ int uwbd_evt_handle_rc_beacon(struct uwb_event *evt)
 	if (result < 0)
 		return result;
 
-	/* Ignore beacon if it is from an alien. */
+	/* FIXME: handle alien beacons. */
 	if (be->bBeaconType == UWB_RC_BEACON_TYPE_OL_ALIEN ||
 	    be->bBeaconType == UWB_RC_BEACON_TYPE_NOL_ALIEN) {
-		if (printk_ratelimit())
-			dev_err(dev, "BEACON received from ALIEN. Action? \n");
-		result = -ENOSYS;
-		return 0;
+		return -ENOSYS;
 	}
+
 	bf = (struct uwb_beacon_frame *) be->BeaconInfo;
 
 	/*
diff --git a/drivers/uwb/est.c b/drivers/uwb/est.c
index 3791cd95b63..5fe566b7c84 100644
--- a/drivers/uwb/est.c
+++ b/drivers/uwb/est.c
@@ -363,22 +363,17 @@ ssize_t uwb_est_get_size(struct uwb_rc *uwb_rc, struct uwb_est *est,
 
 	size = -ENOENT;
 	if (event_low >= est->entries) {	/* in range? */
-		if (printk_ratelimit())
-			dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
-				"event %u out of range\n",
-				est, est->type_event_high, est->vendor,
-				est->product, est->entries,
-				event_low);
+		dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: event %u out of range\n",
+			est, est->type_event_high, est->vendor, est->product,
+			est->entries, event_low);
 		goto out;
 	}
 	size = -ENOENT;
 	entry = &est->entry[event_low];
 	if (entry->size == 0 && entry->offset == 0) {	/* unknown? */
-		if (printk_ratelimit())
-			dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
-				"event %u unknown\n",
-				est, est->type_event_high, est->vendor,
-				est->product, est->entries, event_low);
+		dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: event %u unknown\n",
+			est, est->type_event_high, est->vendor,	est->product,
+			est->entries, event_low);
 		goto out;
 	}
 	offset = entry->offset;	/* extra fries with that? */
@@ -396,11 +391,10 @@ ssize_t uwb_est_get_size(struct uwb_rc *uwb_rc, struct uwb_est *est,
 		default: 	 BUG();
 		}
 		if (offset + type_size > rceb_size) {
-			if (printk_ratelimit())
-				dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
-					"not enough data to read extra size\n",
-					est, est->type_event_high, est->vendor,
-					est->product, est->entries);
+			dev_err(dev, "EST %p 0x%04x/%04x/%04x[%u]: "
+				"not enough data to read extra size\n",
+				est, est->type_event_high, est->vendor,
+				est->product, est->entries);
 			goto out;
 		}
 		size = entry->size;
@@ -469,14 +463,12 @@ ssize_t uwb_est_find_size(struct uwb_rc *rc, const struct uwb_rceb *rceb,
 		if (size != -ENOENT)
 			goto out;
 	}
-	/* FIXME: downgrade to _dbg() */
-	if (printk_ratelimit())
-		dev_err(dev, "event 0x%02x/%04x/%02x: no handlers available; "
+	dev_dbg(dev, "event 0x%02x/%04x/%02x: no handlers available; "
 		"RCEB %02x %02x %02x %02x\n",
-			(unsigned) rceb->bEventType,
-			(unsigned) le16_to_cpu(rceb->wEvent),
-			(unsigned) rceb->bEventContext,
-			ptr[0], ptr[1], ptr[2], ptr[3]);
+		(unsigned) rceb->bEventType,
+		(unsigned) le16_to_cpu(rceb->wEvent),
+		(unsigned) rceb->bEventContext,
+		ptr[0], ptr[1], ptr[2], ptr[3]);
 	size = -ENOENT;
 out:
 	read_unlock_irqrestore(&uwb_est_lock, flags);
diff --git a/drivers/uwb/i1480/dfu/mac.c b/drivers/uwb/i1480/dfu/mac.c
index 8d069907a3b..2e4d8f07c16 100644
--- a/drivers/uwb/i1480/dfu/mac.c
+++ b/drivers/uwb/i1480/dfu/mac.c
@@ -425,7 +425,7 @@ out:
 }
 
 
-/** Wait for the MAC FW to start running */
+/* Wait for the MAC FW to start running */
 static
 int i1480_fw_is_running_q(struct i1480 *i1480)
 {
@@ -443,8 +443,6 @@ int i1480_fw_is_running_q(struct i1480 *i1480)
 		}
 		if (*val == 0x55555555UL)	/* fw running? cool */
 			goto out;
-		if (printk_ratelimit())
-			d_printf(5, i1480->dev, "read #%d: 0x%08x\n", cnt, *val);
 	}
 	dev_err(i1480->dev, "Timed out waiting for fw to start\n");
 	result = -ETIMEDOUT;
diff --git a/drivers/uwb/neh.c b/drivers/uwb/neh.c
index 91b61480e1e..9b4eb64327a 100644
--- a/drivers/uwb/neh.c
+++ b/drivers/uwb/neh.c
@@ -440,7 +440,7 @@ static void uwb_rc_neh_grok_event(struct uwb_rc *rc, struct uwb_rceb *rceb, size
 		neh = uwb_rc_neh_lookup(rc, rceb);
 		if (neh)
 			uwb_rc_neh_cb(neh, rceb, size);
-		else if (printk_ratelimit())
+		else
 			dev_warn(dev, "event 0x%02x/%04x/%02x (%zu bytes): nobody cared\n",
 				 rceb->bEventType, le16_to_cpu(rceb->wEvent),
 				 rceb->bEventContext, size);
diff --git a/drivers/uwb/uwbd.c b/drivers/uwb/uwbd.c
index b3673d614ad..78908416e42 100644
--- a/drivers/uwb/uwbd.c
+++ b/drivers/uwb/uwbd.c
@@ -188,7 +188,6 @@ static DEFINE_MUTEX(uwbd_event_mutex);
 static
 int uwbd_event_handle_urc(struct uwb_event *evt)
 {
-	int result;
 	struct uwbd_evt_type_handler *type_table;
 	uwbd_evt_handler_f handler;
 	u8 type, context;
@@ -199,41 +198,25 @@ int uwbd_event_handle_urc(struct uwb_event *evt)
 	context = evt->notif.rceb->bEventContext;
 
 	if (type > uwbd_evt_type_handlers_len) {
-		if (printk_ratelimit())
-			printk(KERN_ERR "UWBD: event type %u: unknown "
-			       "(too high)\n", type);
+		printk(KERN_ERR "UWBD: event type %u: unknown (too high)\n", type);
 		return -EINVAL;
 	}
 	type_table = &uwbd_evt_type_handlers[type];
 	if (type_table->uwbd_events == NULL) {
-		if (printk_ratelimit())
-			printk(KERN_ERR "UWBD: event type %u: unknown\n", type);
+		printk(KERN_ERR "UWBD: event type %u: unknown\n", type);
 		return -EINVAL;
 	}
 	if (event > type_table->size) {
-		if (printk_ratelimit())
-			printk(KERN_ERR "UWBD: event %s[%u]: "
-			       "unknown (too high)\n", type_table->name, event);
+		printk(KERN_ERR "UWBD: event %s[%u]: unknown (too high)\n",
+		       type_table->name, event);
 		return -EINVAL;
 	}
 	handler = type_table->uwbd_events[event].handler;
 	if (handler == NULL) {
-		if (printk_ratelimit())
-			printk(KERN_ERR "UWBD: event %s[%u]: unknown\n",
-			       type_table->name, event);
+		printk(KERN_ERR "UWBD: event %s[%u]: unknown\n", type_table->name, event);
 		return -EINVAL;
 	}
-	d_printf(3, NULL, "processing 0x%02x/%04x/%02x, %zu bytes\n",
-		 type, event, context, evt->notif.size);
-	result = (*handler)(evt);
-	if (result < 0) {
-		if (printk_ratelimit())
-			printk(KERN_ERR "UWBD: event 0x%02x/%04x/%02x, "
-			       "table %s[%u]: handling failed: %d\n",
-			       type, event, context, type_table->name,
-			       event, result);
-	}
-	return result;
+	return (*handler)(evt);
 }
 
 static void uwbd_event_handle_message(struct uwb_event *evt)
diff --git a/drivers/uwb/whc-rc.c b/drivers/uwb/whc-rc.c
index 5a93abea6d2..1711deadb11 100644
--- a/drivers/uwb/whc-rc.c
+++ b/drivers/uwb/whc-rc.c
@@ -212,7 +212,6 @@ irqreturn_t whcrc_irq_cb(int irq, void *_whcrc)
 	struct device *dev = &whcrc->umc_dev->dev;
 	u32 urcsts;
 
-	d_fnstart(4, dev, "irq %d _whcrc %p)\n", irq, _whcrc);
 	urcsts = le_readl(whcrc->rc_base + URCSTS);
 	if (!(urcsts & URCSTS_INT_MASK))
 		return IRQ_NONE;
@@ -221,13 +220,6 @@ irqreturn_t whcrc_irq_cb(int irq, void *_whcrc)
 	d_printf(4, dev, "acked 0x%08x, urcsts 0x%08x\n",
 		 le_readl(whcrc->rc_base + URCSTS), urcsts);
 
-	if (whcrc->uwb_rc == NULL) {
-		if (printk_ratelimit())
-			dev_dbg(dev, "Received interrupt when not yet "
-				"ready!\n");
-		goto out;
-	}
-
 	if (urcsts & URCSTS_HSE) {
 		dev_err(dev, "host system error -- hardware halted\n");
 		/* FIXME: do something sensible here */
-- 
GitLab


From 6a18037d4165f691063b43816be3152e9006eb06 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Thu, 16 Oct 2008 15:01:40 +0200
Subject: [PATCH 0611/2224] oprofile: fixing whitespaces in drivers/oprofile/*

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 drivers/oprofile/buffer_sync.h    |  4 ++--
 drivers/oprofile/cpu_buffer.c     | 16 ++++++++--------
 drivers/oprofile/cpu_buffer.h     |  6 +++---
 drivers/oprofile/event_buffer.c   | 24 ++++++++++++------------
 drivers/oprofile/event_buffer.h   | 10 +++++-----
 drivers/oprofile/oprof.c          |  2 +-
 drivers/oprofile/oprof.h          |  8 ++++----
 drivers/oprofile/oprofile_files.c | 20 ++++++++++----------
 drivers/oprofile/oprofile_stats.c | 14 +++++++-------
 drivers/oprofile/oprofile_stats.h |  8 ++++----
 drivers/oprofile/oprofilefs.c     |  6 +++---
 drivers/oprofile/timer_int.c      |  2 +-
 12 files changed, 60 insertions(+), 60 deletions(-)

diff --git a/drivers/oprofile/buffer_sync.h b/drivers/oprofile/buffer_sync.h
index 08866f6a96a..3110732c183 100644
--- a/drivers/oprofile/buffer_sync.h
+++ b/drivers/oprofile/buffer_sync.h
@@ -9,13 +9,13 @@
 
 #ifndef OPROFILE_BUFFER_SYNC_H
 #define OPROFILE_BUFFER_SYNC_H
- 
+
 /* add the necessary profiling hooks */
 int sync_start(void);
 
 /* remove the hooks */
 void sync_stop(void);
- 
+
 /* sync the given CPU's buffer */
 void sync_buffer(int cpu);
 
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index b47ce038490..5a178065cfa 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -22,7 +22,7 @@
 #include <linux/oprofile.h>
 #include <linux/vmalloc.h>
 #include <linux/errno.h>
- 
+
 #include "event_buffer.h"
 #include "cpu_buffer.h"
 #include "buffer_sync.h"
@@ -38,7 +38,7 @@ static int work_enabled;
 void free_cpu_buffers(void)
 {
 	int i;
- 
+
 	for_each_online_cpu(i) {
 		vfree(per_cpu(cpu_buffer, i).buffer);
 		per_cpu(cpu_buffer, i).buffer = NULL;
@@ -48,17 +48,17 @@ void free_cpu_buffers(void)
 int alloc_cpu_buffers(void)
 {
 	int i;
- 
+
 	unsigned long buffer_size = fs_cpu_buffer_size;
- 
+
 	for_each_online_cpu(i) {
 		struct oprofile_cpu_buffer *b = &per_cpu(cpu_buffer, i);
- 
+
 		b->buffer = vmalloc_node(sizeof(struct op_sample) * buffer_size,
 			cpu_to_node(i));
 		if (!b->buffer)
 			goto fail;
- 
+
 		b->last_task = NULL;
 		b->last_is_kernel = -1;
 		b->tracing = 0;
@@ -150,7 +150,7 @@ static void increment_head(struct oprofile_cpu_buffer *b)
 
 static inline void
 add_sample(struct oprofile_cpu_buffer *cpu_buf,
-           unsigned long pc, unsigned long event)
+	   unsigned long pc, unsigned long event)
 {
 	struct op_sample *entry = &cpu_buf->buffer[cpu_buf->head_pos];
 	entry->eip = pc;
@@ -205,7 +205,7 @@ static int log_sample(struct oprofile_cpu_buffer *cpu_buf, unsigned long pc,
 		cpu_buf->last_task = task;
 		add_code(cpu_buf, (unsigned long)task);
 	}
- 
+
 	add_sample(cpu_buf, pc, event);
 	return 1;
 }
diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h
index 9bc6bb20b6d..d3cc26264db 100644
--- a/drivers/oprofile/cpu_buffer.h
+++ b/drivers/oprofile/cpu_buffer.h
@@ -15,9 +15,9 @@
 #include <linux/workqueue.h>
 #include <linux/cache.h>
 #include <linux/sched.h>
- 
+
 struct task_struct;
- 
+
 int alloc_cpu_buffers(void);
 void free_cpu_buffers(void);
 
@@ -31,7 +31,7 @@ struct op_sample {
 	unsigned long eip;
 	unsigned long event;
 };
- 
+
 struct oprofile_cpu_buffer {
 	volatile unsigned long head_pos;
 	volatile unsigned long tail_pos;
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index c9329f4e090..d962ba0dd87 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -19,13 +19,13 @@
 #include <linux/dcookies.h>
 #include <linux/fs.h>
 #include <asm/uaccess.h>
- 
+
 #include "oprof.h"
 #include "event_buffer.h"
 #include "oprofile_stats.h"
 
 DEFINE_MUTEX(buffer_mutex);
- 
+
 static unsigned long buffer_opened;
 static DECLARE_WAIT_QUEUE_HEAD(buffer_wait);
 static unsigned long *event_buffer;
@@ -66,7 +66,7 @@ void wake_up_buffer_waiter(void)
 	mutex_unlock(&buffer_mutex);
 }
 
- 
+
 int alloc_event_buffer(void)
 {
 	int err = -ENOMEM;
@@ -76,13 +76,13 @@ int alloc_event_buffer(void)
 	buffer_size = fs_buffer_size;
 	buffer_watershed = fs_buffer_watershed;
 	spin_unlock_irqrestore(&oprofilefs_lock, flags);
- 
+
 	if (buffer_watershed >= buffer_size)
 		return -EINVAL;
- 
+
 	event_buffer = vmalloc(sizeof(unsigned long) * buffer_size);
 	if (!event_buffer)
-		goto out; 
+		goto out;
 
 	err = 0;
 out:
@@ -97,7 +97,7 @@ void free_event_buffer(void)
 	event_buffer = NULL;
 }
 
- 
+
 static int event_buffer_open(struct inode *inode, struct file *file)
 {
 	int err = -EPERM;
@@ -116,14 +116,14 @@ static int event_buffer_open(struct inode *inode, struct file *file)
 	file->private_data = dcookie_register();
 	if (!file->private_data)
 		goto out;
-		 
+
 	if ((err = oprofile_setup()))
 		goto fail;
 
 	/* NB: the actual start happens from userspace
 	 * echo 1 >/dev/oprofile/enable
 	 */
- 
+
 	return 0;
 
 fail:
@@ -172,18 +172,18 @@ static ssize_t event_buffer_read(struct file *file, char __user *buf,
 	retval = -EFAULT;
 
 	count = buffer_pos * sizeof(unsigned long);
- 
+
 	if (copy_to_user(buf, event_buffer, count))
 		goto out;
 
 	retval = count;
 	buffer_pos = 0;
- 
+
 out:
 	mutex_unlock(&buffer_mutex);
 	return retval;
 }
- 
+
 const struct file_operations event_buffer_fops = {
 	.open		= event_buffer_open,
 	.release	= event_buffer_release,
diff --git a/drivers/oprofile/event_buffer.h b/drivers/oprofile/event_buffer.h
index 5076ed1ebd8..00db2e66570 100644
--- a/drivers/oprofile/event_buffer.h
+++ b/drivers/oprofile/event_buffer.h
@@ -10,13 +10,13 @@
 #ifndef EVENT_BUFFER_H
 #define EVENT_BUFFER_H
 
-#include <linux/types.h> 
+#include <linux/types.h>
 #include <asm/mutex.h>
- 
+
 int alloc_event_buffer(void);
 
 void free_event_buffer(void);
- 
+
 /* wake up the process sleeping on the event file */
 void wake_up_buffer_waiter(void);
 
@@ -24,10 +24,10 @@ void wake_up_buffer_waiter(void);
 #define NO_COOKIE 0UL
 
 extern const struct file_operations event_buffer_fops;
- 
+
 /* mutex between sync_cpu_buffers() and the
  * file reading code.
  */
 extern struct mutex buffer_mutex;
- 
+
 #endif /* EVENT_BUFFER_H */
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index 50062cea292..cd375907f26 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -94,7 +94,7 @@ int oprofile_start(void)
 	int err = -EINVAL;
 
 	mutex_lock(&start_mutex);
- 
+
 	if (!is_setup)
 		goto out;
 
diff --git a/drivers/oprofile/oprof.h b/drivers/oprofile/oprof.h
index 7a44ddba0be..5df0c21a608 100644
--- a/drivers/oprofile/oprof.h
+++ b/drivers/oprofile/oprof.h
@@ -11,7 +11,7 @@
 #define OPROF_H
 
 int oprofile_setup(void);
-void oprofile_shutdown(void); 
+void oprofile_shutdown(void);
 
 int oprofilefs_register(void);
 void oprofilefs_unregister(void);
@@ -20,14 +20,14 @@ int oprofile_start(void);
 void oprofile_stop(void);
 
 struct oprofile_operations;
- 
+
 extern unsigned long fs_buffer_size;
 extern unsigned long fs_cpu_buffer_size;
 extern unsigned long fs_buffer_watershed;
 extern struct oprofile_operations oprofile_ops;
 extern unsigned long oprofile_started;
 extern unsigned long backtrace_depth;
- 
+
 struct super_block;
 struct dentry;
 
@@ -35,5 +35,5 @@ void oprofile_create_files(struct super_block *sb, struct dentry *root);
 void oprofile_timer_init(struct oprofile_operations *ops);
 
 int oprofile_set_backtrace(unsigned long depth);
- 
+
 #endif /* OPROF_H */
diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c
index 241804abbb5..cc106d503ac 100644
--- a/drivers/oprofile/oprofile_files.c
+++ b/drivers/oprofile/oprofile_files.c
@@ -13,7 +13,7 @@
 #include "event_buffer.h"
 #include "oprofile_stats.h"
 #include "oprof.h"
- 
+
 unsigned long fs_buffer_size = 131072;
 unsigned long fs_cpu_buffer_size = 8192;
 unsigned long fs_buffer_watershed = 32768; /* FIXME: tune */
@@ -49,7 +49,7 @@ static const struct file_operations depth_fops = {
 	.write		= depth_write
 };
 
- 
+
 static ssize_t pointer_size_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
 	return oprofilefs_ulong_to_user(sizeof(void *), buf, count, offset);
@@ -65,13 +65,13 @@ static ssize_t cpu_type_read(struct file *file, char __user *buf, size_t count,
 {
 	return oprofilefs_str_to_user(oprofile_ops.cpu_type, buf, count, offset);
 }
- 
- 
+
+
 static const struct file_operations cpu_type_fops = {
 	.read		= cpu_type_read,
 };
- 
- 
+
+
 static ssize_t enable_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
 {
 	return oprofilefs_ulong_to_user(oprofile_started, buf, count, offset);
@@ -89,7 +89,7 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co
 	retval = oprofilefs_ulong_from_user(&val, buf, count);
 	if (retval)
 		return retval;
- 
+
 	if (val)
 		retval = oprofile_start();
 	else
@@ -100,7 +100,7 @@ static ssize_t enable_write(struct file *file, char const __user *buf, size_t co
 	return count;
 }
 
- 
+
 static const struct file_operations enable_fops = {
 	.read		= enable_read,
 	.write		= enable_write,
@@ -117,7 +117,7 @@ static ssize_t dump_write(struct file *file, char const __user *buf, size_t coun
 static const struct file_operations dump_fops = {
 	.write		= dump_write,
 };
- 
+
 void oprofile_create_files(struct super_block *sb, struct dentry *root)
 {
 	oprofilefs_create_file(sb, root, "enable", &enable_fops);
@@ -126,7 +126,7 @@ void oprofile_create_files(struct super_block *sb, struct dentry *root)
 	oprofilefs_create_ulong(sb, root, "buffer_size", &fs_buffer_size);
 	oprofilefs_create_ulong(sb, root, "buffer_watershed", &fs_buffer_watershed);
 	oprofilefs_create_ulong(sb, root, "cpu_buffer_size", &fs_cpu_buffer_size);
-	oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops); 
+	oprofilefs_create_file(sb, root, "cpu_type", &cpu_type_fops);
 	oprofilefs_create_file(sb, root, "backtrace_depth", &depth_fops);
 	oprofilefs_create_file(sb, root, "pointer_size", &pointer_size_fops);
 	oprofile_create_stats_files(sb, root);
diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c
index e0c45498d17..e1f6ce03705 100644
--- a/drivers/oprofile/oprofile_stats.c
+++ b/drivers/oprofile/oprofile_stats.c
@@ -11,17 +11,17 @@
 #include <linux/smp.h>
 #include <linux/cpumask.h>
 #include <linux/threads.h>
- 
+
 #include "oprofile_stats.h"
 #include "cpu_buffer.h"
- 
+
 struct oprofile_stat_struct oprofile_stats;
- 
+
 void oprofile_reset_stats(void)
 {
 	struct oprofile_cpu_buffer *cpu_buf;
 	int i;
- 
+
 	for_each_possible_cpu(i) {
 		cpu_buf = &per_cpu(cpu_buffer, i);
 		cpu_buf->sample_received = 0;
@@ -29,7 +29,7 @@ void oprofile_reset_stats(void)
 		cpu_buf->backtrace_aborted = 0;
 		cpu_buf->sample_invalid_eip = 0;
 	}
- 
+
 	atomic_set(&oprofile_stats.sample_lost_no_mm, 0);
 	atomic_set(&oprofile_stats.sample_lost_no_mapping, 0);
 	atomic_set(&oprofile_stats.event_lost_overflow, 0);
@@ -52,7 +52,7 @@ void oprofile_create_stats_files(struct super_block *sb, struct dentry *root)
 		cpu_buf = &per_cpu(cpu_buffer, i);
 		snprintf(buf, 10, "cpu%d", i);
 		cpudir = oprofilefs_mkdir(sb, dir, buf);
- 
+
 		/* Strictly speaking access to these ulongs is racy,
 		 * but we can't simply lock them, and they are
 		 * informational only.
@@ -66,7 +66,7 @@ void oprofile_create_stats_files(struct super_block *sb, struct dentry *root)
 		oprofilefs_create_ro_ulong(sb, cpudir, "sample_invalid_eip",
 			&cpu_buf->sample_invalid_eip);
 	}
- 
+
 	oprofilefs_create_ro_atomic(sb, dir, "sample_lost_no_mm",
 		&oprofile_stats.sample_lost_no_mm);
 	oprofilefs_create_ro_atomic(sb, dir, "sample_lost_no_mapping",
diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h
index 54e59c29b43..3da0d08dc1f 100644
--- a/drivers/oprofile/oprofile_stats.h
+++ b/drivers/oprofile/oprofile_stats.h
@@ -11,7 +11,7 @@
 #define OPROFILE_STATS_H
 
 #include <asm/atomic.h>
- 
+
 struct oprofile_stat_struct {
 	atomic_t sample_lost_no_mm;
 	atomic_t sample_lost_no_mapping;
@@ -20,13 +20,13 @@ struct oprofile_stat_struct {
 };
 
 extern struct oprofile_stat_struct oprofile_stats;
- 
+
 /* reset all stats to zero */
 void oprofile_reset_stats(void);
- 
+
 struct super_block;
 struct dentry;
- 
+
 /* create the stats/ dir */
 void oprofile_create_stats_files(struct super_block *sb, struct dentry *root);
 
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index a275a3aa5f0..ddc4c59f02d 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -181,13 +181,13 @@ static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t coun
 	atomic_t *val = file->private_data;
 	return oprofilefs_ulong_to_user(atomic_read(val), buf, count, offset);
 }
- 
+
 
 static const struct file_operations atomic_ro_fops = {
 	.read		= atomic_read_file,
 	.open		= default_open,
 };
- 
+
 
 int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root,
 	char const *name, atomic_t *val)
@@ -201,7 +201,7 @@ int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root,
 	return 0;
 }
 
- 
+
 int oprofilefs_create_file(struct super_block *sb, struct dentry *root,
 	char const *name, const struct file_operations *fops)
 {
diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
index 7258b141a51..333f915568c 100644
--- a/drivers/oprofile/timer_int.c
+++ b/drivers/oprofile/timer_int.c
@@ -19,7 +19,7 @@
 
 static int timer_notify(struct pt_regs *regs)
 {
- 	oprofile_add_sample(regs, 0);
+	oprofile_add_sample(regs, 0);
 	return 0;
 }
 
-- 
GitLab


From 818273ae46bd84251b4b8ea7ed3621e67c69d267 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Thu, 16 Oct 2008 15:01:40 +0200
Subject: [PATCH 0612/2224] oprofile: fixing whitespaces in arch/x86/oprofile/*

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/backtrace.c    |  3 +--
 arch/x86/oprofile/op_counter.h   | 18 +++++++++---------
 arch/x86/oprofile/op_model_amd.c |  4 ++--
 arch/x86/oprofile/op_x86_model.h |  4 ++--
 4 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index e2095cba409..04df67f8a7b 100644
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -52,8 +52,7 @@ struct frame_head {
 	unsigned long ret;
 } __attribute__((packed));
 
-static struct frame_head *
-dump_user_backtrace(struct frame_head * head)
+static struct frame_head *dump_user_backtrace(struct frame_head *head)
 {
 	struct frame_head bufhead[2];
 
diff --git a/arch/x86/oprofile/op_counter.h b/arch/x86/oprofile/op_counter.h
index 2880b15c467..91b6a116165 100644
--- a/arch/x86/oprofile/op_counter.h
+++ b/arch/x86/oprofile/op_counter.h
@@ -6,22 +6,22 @@
  *
  * @author John Levon
  */
- 
+
 #ifndef OP_COUNTER_H
 #define OP_COUNTER_H
- 
+
 #define OP_MAX_COUNTER 8
- 
+
 /* Per-perfctr configuration as set via
  * oprofilefs.
  */
 struct op_counter_config {
-        unsigned long count;
-        unsigned long enabled;
-        unsigned long event;
-        unsigned long kernel;
-        unsigned long user;
-        unsigned long unit_mask;
+	unsigned long count;
+	unsigned long enabled;
+	unsigned long event;
+	unsigned long kernel;
+	unsigned long user;
+	unsigned long unit_mask;
 };
 
 extern struct op_counter_config counter_config[];
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index d9faf607b3a..9cc0d4a4bdc 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -468,9 +468,9 @@ static void clear_ibs_nmi(void)
 		on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1);
 }
 
-static int (*create_arch_files)(struct super_block * sb, struct dentry * root);
+static int (*create_arch_files)(struct super_block *sb, struct dentry *root);
 
-static int setup_ibs_files(struct super_block * sb, struct dentry * root)
+static int setup_ibs_files(struct super_block *sb, struct dentry *root)
 {
 	char buf[12];
 	struct dentry *dir;
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index 596de7a5559..825e79064d6 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -22,8 +22,8 @@ struct op_msr {
 };
 
 struct op_msrs {
-	struct op_msr * counters;
-	struct op_msr * controls;
+	struct op_msr *counters;
+	struct op_msr *controls;
 };
 
 struct pt_regs;
-- 
GitLab


From 769415c61191bc860f60c6edc3cb7cba24fb3218 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Thu, 16 Oct 2008 16:08:56 +0200
Subject: [PATCH 0613/2224] fuse: fix SEEK_END incorrectness

Update file size before using it in lseek(..., SEEK_END).

Reported-by: Amnon Shiloh <u3557@miso.sublimeip.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/file.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 2bada6bbc31..98079aa800e 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1448,6 +1448,9 @@ static loff_t fuse_file_llseek(struct file *file, loff_t offset, int origin)
 	mutex_lock(&inode->i_mutex);
 	switch (origin) {
 	case SEEK_END:
+		retval = fuse_update_attributes(inode, NULL, file, NULL);
+		if (retval)
+			return retval;
 		offset += i_size_read(inode);
 		break;
 	case SEEK_CUR:
-- 
GitLab


From 17e18ab6ff6ec44e95514c7346d2cbd0363ef640 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Thu, 16 Oct 2008 16:08:56 +0200
Subject: [PATCH 0614/2224] fuse: add missing fuse_request_free

The error handling code for the second call to fuse_request_alloc should
include freeing the result of the first one.

This bug was found by the Coccinelle project:

  http://www.emn.fr/x-info/coccinelle/

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/inode.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 6a84388cacf..54b1f0e1ef5 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -865,7 +865,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
 	if (is_bdev) {
 		fc->destroy_req = fuse_request_alloc();
 		if (!fc->destroy_req)
-			goto err_put_root;
+			goto err_free_init_req;
 	}
 
 	mutex_lock(&fuse_mutex);
@@ -895,6 +895,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent)
 
  err_unlock:
 	mutex_unlock(&fuse_mutex);
+ err_free_init_req:
 	fuse_request_free(init_req);
  err_put_root:
 	dput(root_dentry);
-- 
GitLab


From 37194d0723b9b68b4b299b2564ca99e3d0a094c3 Mon Sep 17 00:00:00 2001
From: "Robert P. J. Day" <rpjday@crashcourse.ca>
Date: Thu, 16 Oct 2008 16:08:57 +0200
Subject: [PATCH 0615/2224] fuse: config description improvement

Make the short description of the FUSE_FS config option clearer.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/Kconfig b/fs/Kconfig
index 9e9d70c02a0..9c43045ebbf 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -665,7 +665,7 @@ config AUTOFS4_FS
 	  N here.
 
 config FUSE_FS
-	tristate "Filesystem in Userspace support"
+	tristate "FUSE (Filesystem in Userspace) support"
 	help
 	  With FUSE it is possible to implement a fully functional filesystem
 	  in a userspace program.
-- 
GitLab


From 29d434b39c807320fbe4bcdce0ab98a0b9fcb285 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Thu, 16 Oct 2008 16:08:57 +0200
Subject: [PATCH 0616/2224] fuse: add include protectors

Add include protectors to include/linux/fuse.h and fs/fuse/fuse_i.h.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/fuse_i.h     | 5 +++++
 include/linux/fuse.h | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 3a876076bdd..35accfdd747 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -6,6 +6,9 @@
   See the file COPYING.
 */
 
+#ifndef _FS_FUSE_I_H
+#define _FS_FUSE_I_H
+
 #include <linux/fuse.h>
 #include <linux/fs.h>
 #include <linux/mount.h>
@@ -655,3 +658,5 @@ void fuse_set_nowrite(struct inode *inode);
 void fuse_release_nowrite(struct inode *inode);
 
 u64 fuse_get_attr_version(struct fuse_conn *fc);
+
+#endif /* _FS_FUSE_I_H */
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 265635dc990..8bc1101e9b3 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -19,6 +19,9 @@
  *  - add file flags field to fuse_read_in and fuse_write_in
  */
 
+#ifndef _LINUX_FUSE_H
+#define _LINUX_FUSE_H
+
 #include <asm/types.h>
 #include <linux/major.h>
 
@@ -409,3 +412,5 @@ struct fuse_dirent {
 #define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1))
 #define FUSE_DIRENT_SIZE(d) \
 	FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
+
+#endif /* _LINUX_FUSE_H */
-- 
GitLab


From a7c1b990f71574e077b94ce4582e2cf11cb891fe Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Thu, 16 Oct 2008 16:08:57 +0200
Subject: [PATCH 0617/2224] fuse: implement nonseekable open

Let the client request nonseekable open using FOPEN_NONSEEKABLE and
call nonseekable_open() on the file if requested.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/fuse/file.c       | 2 ++
 include/linux/fuse.h | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 98079aa800e..34930a964b8 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -101,6 +101,8 @@ void fuse_finish_open(struct inode *inode, struct file *file,
 		file->f_op = &fuse_direct_io_file_operations;
 	if (!(outarg->open_flags & FOPEN_KEEP_CACHE))
 		invalidate_inode_pages2(inode->i_mapping);
+	if (outarg->open_flags & FOPEN_NONSEEKABLE)
+		nonseekable_open(inode, file);
 	ff->fh = outarg->fh;
 	file->private_data = fuse_file_get(ff);
 }
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 8bc1101e9b3..350fe9767bb 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -17,6 +17,9 @@
  *  - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in
  *  - add blksize field to fuse_attr
  *  - add file flags field to fuse_read_in and fuse_write_in
+ *
+ * 7.10
+ *  - add nonseekable open flag
  */
 
 #ifndef _LINUX_FUSE_H
@@ -29,7 +32,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 9
+#define FUSE_KERNEL_MINOR_VERSION 10
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -101,9 +104,11 @@ struct fuse_file_lock {
  *
  * FOPEN_DIRECT_IO: bypass page cache for this open file
  * FOPEN_KEEP_CACHE: don't invalidate the data cache on open
+ * FOPEN_NONSEEKABLE: the file is not seekable
  */
 #define FOPEN_DIRECT_IO		(1 << 0)
 #define FOPEN_KEEP_CACHE	(1 << 1)
+#define FOPEN_NONSEEKABLE	(1 << 2)
 
 /**
  * INIT request/reply flags
-- 
GitLab


From 17bc6c30cf6bfffd816bdc53682dd46fc34a2cf4 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 10:09:17 -0400
Subject: [PATCH 0618/2224] vfs: Add no_nrwrite_index_update writeback control
 flag

If no_nrwrite_index_update is set we don't update nr_to_write and
address space writeback_index in write_cache_pages.  This change
enables a file system to skip these updates in write_cache_pages and do
them in the writepages() callback.  This patch will be followed by an
ext4 patch that make use of these new flags.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
CC: linux-fsdevel@vger.kernel.org
---
 include/linux/writeback.h |  9 +++++++++
 mm/page-writeback.c       | 10 +++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index bd91987c065..e585657e983 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -63,6 +63,15 @@ struct writeback_control {
 	unsigned for_writepages:1;	/* This is a writepages() call */
 	unsigned range_cyclic:1;	/* range_start is cyclic */
 	unsigned more_io:1;		/* more io to be dispatched */
+	/*
+	 * write_cache_pages() won't update wbc->nr_to_write and
+	 * mapping->writeback_index if no_nrwrite_index_update
+	 * is set.  write_cache_pages() may write more than we
+	 * requested and we want to make sure nr_to_write and
+	 * writeback_index are updated in a consistent manner
+	 * so we use a single control to update them
+	 */
+	unsigned no_nrwrite_index_update:1;
 };
 
 /*
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index e373f14d26f..b40f6d5f8fe 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -876,6 +876,7 @@ int write_cache_pages(struct address_space *mapping,
 	pgoff_t end;		/* Inclusive */
 	int scanned = 0;
 	int range_whole = 0;
+	long nr_to_write = wbc->nr_to_write;
 
 	if (wbc->nonblocking && bdi_write_congested(bdi)) {
 		wbc->encountered_congestion = 1;
@@ -939,7 +940,7 @@ retry:
 				unlock_page(page);
 				ret = 0;
 			}
-			if (ret || (--(wbc->nr_to_write) <= 0))
+			if (ret || (--nr_to_write <= 0))
 				done = 1;
 			if (wbc->nonblocking && bdi_write_congested(bdi)) {
 				wbc->encountered_congestion = 1;
@@ -958,8 +959,11 @@ retry:
 		index = 0;
 		goto retry;
 	}
-	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
-		mapping->writeback_index = index;
+	if (!wbc->no_nrwrite_index_update) {
+		if (wbc->range_cyclic || (range_whole && nr_to_write > 0))
+			mapping->writeback_index = index;
+		wbc->nr_to_write = nr_to_write;
+	}
 
 	return ret;
 }
-- 
GitLab


From 22208dedbd7626e5fc4339c417f8d24cc21f79d7 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 10:10:36 -0400
Subject: [PATCH 0619/2224] ext4: Fix file fragmentation during large file
 write.

The range_cyclic writeback mode uses the address_space writeback_index
as the start index for writeback.  With delayed allocation we were
updating writeback_index wrongly resulting in highly fragmented file.
This patch reduces the number of extents reduced from 4000 to 27 for a
3GB file.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 fs/ext4/inode.c | 91 +++++++++++++++++++++++++++++++------------------
 1 file changed, 57 insertions(+), 34 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 4ee3f0692ee..27fc6b95122 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1648,6 +1648,7 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd)
 	int ret = 0, err, nr_pages, i;
 	unsigned long index, end;
 	struct pagevec pvec;
+	long pages_skipped;
 
 	BUG_ON(mpd->next_page <= mpd->first_page);
 	pagevec_init(&pvec, 0);
@@ -1655,7 +1656,6 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd)
 	end = mpd->next_page - 1;
 
 	while (index <= end) {
-		/* XXX: optimize tail */
 		/*
 		 * We can use PAGECACHE_TAG_DIRTY lookup here because
 		 * even though we have cleared the dirty flag on the page
@@ -1673,8 +1673,13 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd)
 		for (i = 0; i < nr_pages; i++) {
 			struct page *page = pvec.pages[i];
 
+			pages_skipped = mpd->wbc->pages_skipped;
 			err = mapping->a_ops->writepage(page, mpd->wbc);
-			if (!err)
+			if (!err && (pages_skipped == mpd->wbc->pages_skipped))
+				/*
+				 * have successfully written the page
+				 * without skipping the same
+				 */
 				mpd->pages_written++;
 			/*
 			 * In error case, we have to continue because
@@ -2110,7 +2115,6 @@ static int mpage_da_writepages(struct address_space *mapping,
 			       struct writeback_control *wbc,
 			       struct mpage_da_data *mpd)
 {
-	long to_write;
 	int ret;
 
 	if (!mpd->get_block)
@@ -2125,19 +2129,18 @@ static int mpage_da_writepages(struct address_space *mapping,
 	mpd->pages_written = 0;
 	mpd->retval = 0;
 
-	to_write = wbc->nr_to_write;
-
 	ret = write_cache_pages(mapping, wbc, __mpage_da_writepage, mpd);
-
 	/*
 	 * Handle last extent of pages
 	 */
 	if (!mpd->io_done && mpd->next_page != mpd->first_page) {
 		if (mpage_da_map_blocks(mpd) == 0)
 			mpage_da_submit_io(mpd);
-	}
 
-	wbc->nr_to_write = to_write - mpd->pages_written;
+		mpd->io_done = 1;
+		ret = MPAGE_DA_EXTENT_TAIL;
+	}
+	wbc->nr_to_write -= mpd->pages_written;
 	return ret;
 }
 
@@ -2366,11 +2369,14 @@ static int ext4_da_writepages_trans_blocks(struct inode *inode)
 static int ext4_da_writepages(struct address_space *mapping,
 			      struct writeback_control *wbc)
 {
+	pgoff_t	index;
+	int range_whole = 0;
 	handle_t *handle = NULL;
 	struct mpage_da_data mpd;
 	struct inode *inode = mapping->host;
+	int no_nrwrite_index_update;
+	long pages_written = 0, pages_skipped;
 	int needed_blocks, ret = 0, nr_to_writebump = 0;
-	long to_write, pages_skipped = 0;
 	struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb);
 
 	/*
@@ -2390,16 +2396,26 @@ static int ext4_da_writepages(struct address_space *mapping,
 		nr_to_writebump = sbi->s_mb_stream_request - wbc->nr_to_write;
 		wbc->nr_to_write = sbi->s_mb_stream_request;
 	}
+	if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
+		range_whole = 1;
 
-
-	pages_skipped = wbc->pages_skipped;
+	if (wbc->range_cyclic)
+		index = mapping->writeback_index;
+	else
+		index = wbc->range_start >> PAGE_CACHE_SHIFT;
 
 	mpd.wbc = wbc;
 	mpd.inode = mapping->host;
 
-restart_loop:
-	to_write = wbc->nr_to_write;
-	while (!ret && to_write > 0) {
+	/*
+	 * we don't want write_cache_pages to update
+	 * nr_to_write and writeback_index
+	 */
+	no_nrwrite_index_update = wbc->no_nrwrite_index_update;
+	wbc->no_nrwrite_index_update = 1;
+	pages_skipped = wbc->pages_skipped;
+
+	while (!ret && wbc->nr_to_write > 0) {
 
 		/*
 		 * we  insert one extent at a time. So we need
@@ -2420,46 +2436,53 @@ restart_loop:
 			dump_stack();
 			goto out_writepages;
 		}
-		to_write -= wbc->nr_to_write;
-
 		mpd.get_block = ext4_da_get_block_write;
 		ret = mpage_da_writepages(mapping, wbc, &mpd);
 
 		ext4_journal_stop(handle);
 
-		if (mpd.retval == -ENOSPC)
+		if (mpd.retval == -ENOSPC) {
+			/* commit the transaction which would
+			 * free blocks released in the transaction
+			 * and try again
+			 */
 			jbd2_journal_force_commit_nested(sbi->s_journal);
-
-		/* reset the retry count */
-		if (ret == MPAGE_DA_EXTENT_TAIL) {
+			wbc->pages_skipped = pages_skipped;
+			ret = 0;
+		} else if (ret == MPAGE_DA_EXTENT_TAIL) {
 			/*
 			 * got one extent now try with
 			 * rest of the pages
 			 */
-			to_write += wbc->nr_to_write;
+			pages_written += mpd.pages_written;
+			wbc->pages_skipped = pages_skipped;
 			ret = 0;
-		} else if (wbc->nr_to_write) {
+		} else if (wbc->nr_to_write)
 			/*
 			 * There is no more writeout needed
 			 * or we requested for a noblocking writeout
 			 * and we found the device congested
 			 */
-			to_write += wbc->nr_to_write;
 			break;
-		}
-		wbc->nr_to_write = to_write;
-	}
-
-	if (!wbc->range_cyclic && (pages_skipped != wbc->pages_skipped)) {
-		/* We skipped pages in this loop */
-		wbc->nr_to_write = to_write +
-				wbc->pages_skipped - pages_skipped;
-		wbc->pages_skipped = pages_skipped;
-		goto restart_loop;
 	}
+	if (pages_skipped != wbc->pages_skipped)
+		printk(KERN_EMERG "This should not happen leaving %s "
+				"with nr_to_write = %ld ret = %d\n",
+				__func__, wbc->nr_to_write, ret);
+
+	/* Update index */
+	index += pages_written;
+	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
+		/*
+		 * set the writeback_index so that range_cyclic
+		 * mode will write it back later
+		 */
+		mapping->writeback_index = index;
 
 out_writepages:
-	wbc->nr_to_write = to_write - nr_to_writebump;
+	if (!no_nrwrite_index_update)
+		wbc->no_nrwrite_index_update = 0;
+	wbc->nr_to_write -= nr_to_writebump;
 	return ret;
 }
 
-- 
GitLab


From 25db8ad5c56700e7716fe23426b16c5e3b1674b4 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@redhat.com>
Date: Tue, 19 Aug 2008 20:49:40 -0700
Subject: [PATCH 0620/2224] serial, 8250: remove NR_IRQ usage

Works on my test box with a quick test.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/serial/68328serial.c | 11 ++----
 drivers/serial/8250.c        | 67 +++++++++++++++++++++++++++++-------
 2 files changed, 57 insertions(+), 21 deletions(-)

diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index 381b12ac20e..d935b2d04f9 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -66,7 +66,6 @@
 #endif
 
 static struct m68k_serial m68k_soft[NR_PORTS];
-struct m68k_serial *IRQ_ports[NR_IRQS];
 
 static unsigned int uart_irqs[NR_PORTS] = UART_IRQ_DEFNS;
 
@@ -375,15 +374,11 @@ clear_and_return:
  */
 irqreturn_t rs_interrupt(int irq, void *dev_id)
 {
-	struct m68k_serial * info;
+	struct m68k_serial *info = dev_id;
 	m68328_uart *uart;
 	unsigned short rx;
 	unsigned short tx;
 
-	info = IRQ_ports[irq];
-	if(!info)
-	    return IRQ_NONE;
-
 	uart = &uart_addr[info->line];
 	rx = uart->urx.w;
 
@@ -1383,8 +1378,6 @@ rs68328_init(void)
 		   info->port, info->irq);
 	    printk(" is a builtin MC68328 UART\n");
 	    
-	    IRQ_ports[info->irq] = info;	/* waste of space */
-
 #ifdef CONFIG_M68VZ328
 		if (i > 0 )
 			PJSEL &= 0xCF;  /* PSW enable second port output */
@@ -1393,7 +1386,7 @@ rs68328_init(void)
 	    if (request_irq(uart_irqs[i],
 			    rs_interrupt,
 			    IRQF_DISABLED,
-			    "M68328_UART", NULL))
+			    "M68328_UART", info))
                 panic("Unable to attach 68328 serial interrupt\n");
 	}
 	local_irq_restore(flags);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index d3ca7d32abe..c66bb44c474 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -156,11 +156,15 @@ struct uart_8250_port {
 };
 
 struct irq_info {
-	spinlock_t		lock;
+	struct			hlist_node node;
+	int			irq;
+	spinlock_t		lock;	/* Protects list not the hash */
 	struct list_head	*head;
 };
 
-static struct irq_info irq_lists[NR_IRQS];
+#define NR_IRQ_HASH		32	/* Can be adjusted later */
+static struct hlist_head irq_lists[NR_IRQ_HASH];
+static DEFINE_MUTEX(hash_mutex);	/* Used to walk the hash */
 
 /*
  * Here we define the default xmit fifo size used for each type of UART.
@@ -1545,15 +1549,43 @@ static void serial_do_unlink(struct irq_info *i, struct uart_8250_port *up)
 		BUG_ON(i->head != &up->list);
 		i->head = NULL;
 	}
-
 	spin_unlock_irq(&i->lock);
+	/* List empty so throw away the hash node */
+	if (i->head == NULL) {
+		hlist_del(&i->node);
+		kfree(i);
+	}
 }
 
 static int serial_link_irq_chain(struct uart_8250_port *up)
 {
-	struct irq_info *i = irq_lists + up->port.irq;
+	struct hlist_head *h;
+	struct hlist_node *n;
+	struct irq_info *i;
 	int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
 
+	mutex_lock(&hash_mutex);
+
+	h = &irq_lists[up->port.irq % NR_IRQ_HASH];
+
+	hlist_for_each(n, h) {
+		i = hlist_entry(n, struct irq_info, node);
+		if (i->irq == up->port.irq)
+			break;
+	}
+
+	if (n == NULL) {
+		i = kzalloc(sizeof(struct irq_info), GFP_KERNEL);
+		if (i == NULL) {
+			mutex_unlock(&hash_mutex);
+			return -ENOMEM;
+		}
+		spin_lock_init(&i->lock);
+		i->irq = up->port.irq;
+		hlist_add_head(&i->node, h);
+	}
+	mutex_unlock(&hash_mutex);
+
 	spin_lock_irq(&i->lock);
 
 	if (i->head) {
@@ -1577,14 +1609,28 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
 
 static void serial_unlink_irq_chain(struct uart_8250_port *up)
 {
-	struct irq_info *i = irq_lists + up->port.irq;
+	struct irq_info *i;
+	struct hlist_node *n;
+	struct hlist_head *h;
 
+	mutex_lock(&hash_mutex);
+
+	h = &irq_lists[up->port.irq % NR_IRQ_HASH];
+
+	hlist_for_each(n, h) {
+		i = hlist_entry(n, struct irq_info, node);
+		if (i->irq == up->port.irq)
+			break;
+	}
+
+	BUG_ON(n == NULL);
 	BUG_ON(i->head == NULL);
 
 	if (list_empty(i->head))
 		free_irq(up->port.irq, i);
 
 	serial_do_unlink(i, up);
+	mutex_unlock(&hash_mutex);
 }
 
 /* Base timer interval for polling */
@@ -2960,7 +3006,7 @@ EXPORT_SYMBOL(serial8250_unregister_port);
 
 static int __init serial8250_init(void)
 {
-	int ret, i;
+	int ret;
 
 	if (nr_uarts > UART_NR)
 		nr_uarts = UART_NR;
@@ -2969,9 +3015,6 @@ static int __init serial8250_init(void)
 		"%d ports, IRQ sharing %sabled\n", nr_uarts,
 		share_irqs ? "en" : "dis");
 
-	for (i = 0; i < NR_IRQS; i++)
-		spin_lock_init(&irq_lists[i].lock);
-
 #ifdef CONFIG_SPARC
 	ret = sunserial_register_minors(&serial8250_reg, UART_NR);
 #else
@@ -2999,15 +3042,15 @@ static int __init serial8250_init(void)
 		goto out;
 
 	platform_device_del(serial8250_isa_devs);
- put_dev:
+put_dev:
 	platform_device_put(serial8250_isa_devs);
- unreg_uart_drv:
+unreg_uart_drv:
 #ifdef CONFIG_SPARC
 	sunserial_unregister_minors(&serial8250_reg, UART_NR);
 #else
 	uart_unregister_driver(&serial8250_reg);
 #endif
- out:
+out:
 	return ret;
 }
 
-- 
GitLab


From fe648be019119722ec0ac54e3a4b2e5bf5168589 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:41 -0700
Subject: [PATCH 0621/2224] x86: add after_bootmem flag for 32bit

to prepare to use dyn_array support etc.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/init_32.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 8396868e82c..91343c2694b 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -66,6 +66,7 @@ static unsigned long __meminitdata table_end;
 static unsigned long __meminitdata table_top;
 
 static int __initdata after_init_bootmem;
+int after_bootmem;
 
 static __init void *alloc_low_page(unsigned long *phys)
 {
@@ -988,6 +989,8 @@ void __init mem_init(void)
 
 	set_highmem_pages_init();
 
+	after_bootmem = 1;
+
 	codesize =  (unsigned long) &_etext - (unsigned long) &_text;
 	datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
 	initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
-- 
GitLab


From 38395738f581ce9417402f28774a8c4650264a00 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:42 -0700
Subject: [PATCH 0622/2224] x86: remove irq_vectors_limits

there's no user left.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-x86/mach-generic/irq_vectors_limits.h | 14 --------------
 include/asm-x86/summit/irq_vectors_limits.h       | 14 --------------
 2 files changed, 28 deletions(-)
 delete mode 100644 include/asm-x86/mach-generic/irq_vectors_limits.h
 delete mode 100644 include/asm-x86/summit/irq_vectors_limits.h

diff --git a/include/asm-x86/mach-generic/irq_vectors_limits.h b/include/asm-x86/mach-generic/irq_vectors_limits.h
deleted file mode 100644
index f7870e1a220..00000000000
--- a/include/asm-x86/mach-generic/irq_vectors_limits.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H
-#define ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H
-
-/*
- * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs,
- * even with uni-proc kernels, so use a big array.
- *
- * This value should be the same in both the generic and summit subarches.
- * Change one, change 'em both.
- */
-#define NR_IRQS	224
-#define NR_IRQ_VECTORS	1024
-
-#endif /* ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H */
diff --git a/include/asm-x86/summit/irq_vectors_limits.h b/include/asm-x86/summit/irq_vectors_limits.h
deleted file mode 100644
index 890ce3f5e09..00000000000
--- a/include/asm-x86/summit/irq_vectors_limits.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef _ASM_IRQ_VECTORS_LIMITS_H
-#define _ASM_IRQ_VECTORS_LIMITS_H
-
-/*
- * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs,
- * even with uni-proc kernels, so use a big array.
- *
- * This value should be the same in both the generic and summit subarches.
- * Change one, change 'em both.
- */
-#define NR_IRQS	224
-#define NR_IRQ_VECTORS	1024
-
-#endif /* _ASM_IRQ_VECTORS_LIMITS_H */
-- 
GitLab


From 3ddfda11861d305b02ed810b522dcf48b74ca808 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:43 -0700
Subject: [PATCH 0623/2224] generic: add dyn_array support

Allow crazy big arrays via bootmem at init stage.
Architectures use CONFIG_HAVE_DYN_ARRAY to enable it.

usage:

| static struct irq_desc irq_desc_init __initdata = {
|        .status = IRQ_DISABLED,
|        .chip = &no_irq_chip,
|        .handle_irq = handle_bad_irq,
|        .depth = 1,
|        .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
| #ifdef CONFIG_SMP
|        .affinity = CPU_MASK_ALL
| #endif
| };
|
| static void __init init_work(void *data)
| {
|        struct dyn_array *da = data;
|        struct  irq_desc *desc;
|        int i;
|
|        desc = *da->name;
|
|        for (i = 0; i < *da->nr; i++)
|                memcpy(&desc[i], &irq_desc_init, sizeof(struct irq_desc));
| }
|
| struct irq_desc *irq_desc;
| DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);

after pre_alloc_dyn_array() after setup_arch(), the array is ready to be
used.

Via this facility we can replace irq_desc[NR_IRQS] array with dyn_array
irq_desc[nr_irqs].

v2: remove _nopanic in pre_alloc_dyn_array()

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-generic/vmlinux.lds.h |  7 +++++++
 include/linux/init.h              | 23 +++++++++++++++++++++++
 init/main.c                       | 24 ++++++++++++++++++++++++
 3 files changed, 54 insertions(+)

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 7440a0dcedd..7881406c03e 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -210,6 +210,13 @@
  * All archs are supposed to use RO_DATA() */
 #define RODATA RO_DATA(4096)
 
+#define DYN_ARRAY_INIT(align)							\
+	. = ALIGN((align));						\
+	.dyn_array.init : AT(ADDR(.dyn_array.init) - LOAD_OFFSET) {	\
+		VMLINUX_SYMBOL(__dyn_array_start) = .;			\
+		*(.dyn_array.init)					\
+		VMLINUX_SYMBOL(__dyn_array_end) = .;			\
+	}
 #define SECURITY_INIT							\
 	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
 		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
diff --git a/include/linux/init.h b/include/linux/init.h
index 93538b696e3..cf9fa7f174a 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -246,6 +246,29 @@ struct obs_kernel_param {
 
 /* Relies on boot_command_line being set */
 void __init parse_early_param(void);
+
+struct dyn_array {
+	void **name;
+	unsigned long size;
+	unsigned int *nr;
+	unsigned long align;
+	void (*init_work)(void *);
+};
+extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[];
+
+#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
+		static struct dyn_array __dyn_array_##nameX __initdata = \
+		{	.name = (void **)&nameX,\
+			.size = sizeX,\
+			.nr   = &nrX,\
+			.align = alignX,\
+			.init_work = init_workX,\
+		}; \
+		static struct dyn_array *__dyn_array_ptr_##nameX __used \
+		__attribute__((__section__(".dyn_array.init"))) = \
+			&__dyn_array_##nameX
+
+extern void pre_alloc_dyn_array(void);
 #endif /* __ASSEMBLY__ */
 
 /**
diff --git a/init/main.c b/init/main.c
index 27f6bf6108e..638d3a78641 100644
--- a/init/main.c
+++ b/init/main.c
@@ -536,6 +536,29 @@ void __init __weak thread_info_cache_init(void)
 {
 }
 
+void pre_alloc_dyn_array(void)
+{
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned long size, phys = 0;
+	struct dyn_array **daa;
+
+	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("dyna_array %s ", da->name);
+		printk(KERN_CONT "size:%#lx nr:%d align:%#lx",
+			da->size, *da->nr, da->align);
+		*da->name = __alloc_bootmem(size, da->align, phys);
+		phys = virt_to_phys(*da->name);
+		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
+
+		if (da->init_work)
+			da->init_work(da);
+	}
+#endif
+}
+
 asmlinkage void __init start_kernel(void)
 {
 	char * command_line;
@@ -567,6 +590,7 @@ asmlinkage void __init start_kernel(void)
 	printk(KERN_NOTICE);
 	printk(linux_banner);
 	setup_arch(&command_line);
+	pre_alloc_dyn_array();
 	mm_init_owner(&init_mm, &init_task);
 	setup_command_line(command_line);
 	unwind_setup();
-- 
GitLab


From 1f3fcd4b1adc972d5c6a34cfed98931c46575b49 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:44 -0700
Subject: [PATCH 0624/2224] add per_cpu_dyn_array support

allow dyn-array in per_cpu area, allocated dynamically.

usage:

|  /* in .h */
| struct kernel_stat {
|        struct cpu_usage_stat   cpustat;
|        unsigned int *irqs;
| };
|
|  /* in .c */
| DEFINE_PER_CPU(struct kernel_stat, kstat);
|
| DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL);

after setup_percpu()/per_cpu_alloc_dyn_array(), the dyn_array in
per_cpu area is ready to use.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/setup_percpu.c    |  7 +++-
 include/asm-generic/vmlinux.lds.h |  6 +++
 include/linux/init.h              | 27 +++++++++++--
 init/main.c                       | 63 ++++++++++++++++++++++++++++++-
 4 files changed, 96 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 0e67f72d931..13ba7a83808 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -140,7 +140,7 @@ static void __init setup_cpu_pda_map(void)
  */
 void __init setup_per_cpu_areas(void)
 {
-	ssize_t size = PERCPU_ENOUGH_ROOM;
+	ssize_t size, old_size;
 	char *ptr;
 	int cpu;
 
@@ -148,7 +148,8 @@ void __init setup_per_cpu_areas(void)
 	setup_cpu_pda_map();
 
 	/* Copy section for each CPU (we discard the original) */
-	size = PERCPU_ENOUGH_ROOM;
+	old_size = PERCPU_ENOUGH_ROOM;
+	size = old_size + per_cpu_dyn_array_size();
 	printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n",
 			  size);
 
@@ -176,6 +177,8 @@ void __init setup_per_cpu_areas(void)
 		per_cpu_offset(cpu) = ptr - __per_cpu_start;
 		memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
 
+		per_cpu_alloc_dyn_array(cpu, ptr + old_size);
+
 	}
 
 	printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d, nr_node_ids %d\n",
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 7881406c03e..c68eda9d9a9 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -216,6 +216,12 @@
 		VMLINUX_SYMBOL(__dyn_array_start) = .;			\
 		*(.dyn_array.init)					\
 		VMLINUX_SYMBOL(__dyn_array_end) = .;			\
+	}								\
+	. = ALIGN((align));						\
+	.per_cpu_dyn_array.init : AT(ADDR(.per_cpu_dyn_array.init) - LOAD_OFFSET) {	\
+		VMLINUX_SYMBOL(__per_cpu_dyn_array_start) = .;		\
+		*(.per_cpu_dyn_array.init)				\
+		VMLINUX_SYMBOL(__per_cpu_dyn_array_end) = .;		\
 	}
 #define SECURITY_INIT							\
 	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
diff --git a/include/linux/init.h b/include/linux/init.h
index cf9fa7f174a..332806826b8 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -255,12 +255,13 @@ struct dyn_array {
 	void (*init_work)(void *);
 };
 extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[];
+extern struct dyn_array *__per_cpu_dyn_array_start[], *__per_cpu_dyn_array_end[];
 
-#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
+#define DEFINE_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \
 		static struct dyn_array __dyn_array_##nameX __initdata = \
-		{	.name = (void **)&nameX,\
+		{	.name = (void **)&(nameX),\
 			.size = sizeX,\
-			.nr   = &nrX,\
+			.nr   = &(nrX),\
 			.align = alignX,\
 			.init_work = init_workX,\
 		}; \
@@ -268,7 +269,27 @@ extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[];
 		__attribute__((__section__(".dyn_array.init"))) = \
 			&__dyn_array_##nameX
 
+#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
+	DEFINE_DYN_ARRAY_ADDR(nameX, nameX, sizeX, nrX, alignX, init_workX)
+
+#define DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \
+		static struct dyn_array __per_cpu_dyn_array_##nameX __initdata = \
+		{	.name = (void **)&(addrX),\
+			.size = sizeX,\
+			.nr   = &(nrX),\
+			.align = alignX,\
+			.init_work = init_workX,\
+		}; \
+		static struct dyn_array *__per_cpu_dyn_array_ptr_##nameX __used \
+		__attribute__((__section__(".per_cpu_dyn_array.init"))) = \
+			&__per_cpu_dyn_array_##nameX
+
+#define DEFINE_PER_CPU_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
+	DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, nameX, nrX, alignX, init_workX)
+
 extern void pre_alloc_dyn_array(void);
+extern unsigned long per_cpu_dyn_array_size(void);
+extern void per_cpu_alloc_dyn_array(int cpu, char *ptr);
 #endif /* __ASSEMBLY__ */
 
 /**
diff --git a/init/main.c b/init/main.c
index 638d3a78641..416bca4f734 100644
--- a/init/main.c
+++ b/init/main.c
@@ -391,17 +391,19 @@ EXPORT_SYMBOL(__per_cpu_offset);
 
 static void __init setup_per_cpu_areas(void)
 {
-	unsigned long size, i;
+	unsigned long size, i, old_size;
 	char *ptr;
 	unsigned long nr_possible_cpus = num_possible_cpus();
 
 	/* Copy section for each CPU (we discard the original) */
-	size = ALIGN(PERCPU_ENOUGH_ROOM, PAGE_SIZE);
+	old_size = PERCPU_ENOUGH_ROOM;
+	size = ALIGN(old_size + per_cpu_dyn_array_size(), PAGE_SIZE);
 	ptr = alloc_bootmem_pages(size * nr_possible_cpus);
 
 	for_each_possible_cpu(i) {
 		__per_cpu_offset[i] = ptr - __per_cpu_start;
 		memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
+		per_cpu_alloc_dyn_array(i, ptr + old_size);
 		ptr += size;
 	}
 }
@@ -559,6 +561,63 @@ void pre_alloc_dyn_array(void)
 #endif
 }
 
+unsigned long per_cpu_dyn_array_size(void)
+{
+	unsigned long total_size = 0;
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned long size;
+	struct dyn_array **daa;
+
+	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name);
+		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
+			da->size, *da->nr, da->align);
+		total_size += roundup(size, da->align);
+	}
+	if (total_size)
+		printk(KERN_DEBUG "per_cpu_dyna_array total_size: %#lx\n",
+			 total_size);
+#endif
+	return total_size;
+}
+
+void per_cpu_alloc_dyn_array(int cpu, char *ptr)
+{
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned long size, phys;
+	struct dyn_array **daa;
+	unsigned long addr;
+	void **array;
+
+	phys = virt_to_phys(ptr);
+
+	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name);
+		printk(KERN_CONT "size:%#lx nr:%d align:%#lx",
+			da->size, *da->nr, da->align);
+
+		phys = roundup(phys, da->align);
+		addr = (unsigned long)da->name;
+		addr += per_cpu_offset(cpu);
+		array = (void **)addr;
+		*array = phys_to_virt(phys);
+		*da->name = *array; /* so init_work could use it directly */
+		printk(KERN_CONT " %p ==> [%#lx - %#lx]\n", array, phys, phys + size);
+		phys += size;
+
+		if (da->init_work) {
+			da->init_work(da);
+		}
+	}
+#endif
+}
+
 asmlinkage void __init start_kernel(void)
 {
 	char * command_line;
-- 
GitLab


From 1f8ff037a871690c762d267d8a052529d3102fc9 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:45 -0700
Subject: [PATCH 0625/2224] x86: alloc dyn_array all together

so could spare some memory with small alignment in bootmem

also tighten the alignment checking, and make print out less debug info.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/setup_percpu.c | 16 ++++++---
 include/linux/init.h           |  2 +-
 init/main.c                    | 65 ++++++++++++++++++++++++++--------
 3 files changed, 62 insertions(+), 21 deletions(-)

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 13ba7a83808..2b7dab699e8 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -140,26 +140,31 @@ static void __init setup_cpu_pda_map(void)
  */
 void __init setup_per_cpu_areas(void)
 {
-	ssize_t size, old_size;
+	ssize_t size, old_size, da_size;
 	char *ptr;
 	int cpu;
+	unsigned long align = 1;
 
 	/* Setup cpu_pda map */
 	setup_cpu_pda_map();
 
 	/* Copy section for each CPU (we discard the original) */
 	old_size = PERCPU_ENOUGH_ROOM;
-	size = old_size + per_cpu_dyn_array_size();
+	da_size = per_cpu_dyn_array_size(&align);
+	align = max_t(unsigned long, PAGE_SIZE, align);
+	size = roundup(old_size + da_size, align);
 	printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n",
 			  size);
 
 	for_each_possible_cpu(cpu) {
 #ifndef CONFIG_NEED_MULTIPLE_NODES
-		ptr = alloc_bootmem_pages(size);
+		ptr = __alloc_bootmem(size, align,
+				 __pa(MAX_DMA_ADDRESS));
 #else
 		int node = early_cpu_to_node(cpu);
 		if (!node_online(node) || !NODE_DATA(node)) {
-			ptr = alloc_bootmem_pages(size);
+			ptr = __alloc_bootmem(size, align,
+					 __pa(MAX_DMA_ADDRESS));
 			printk(KERN_INFO
 			       "cpu %d has no node %d or node-local memory\n",
 				cpu, node);
@@ -168,7 +173,8 @@ void __init setup_per_cpu_areas(void)
 					 cpu, __pa(ptr));
 		}
 		else {
-			ptr = alloc_bootmem_pages_node(NODE_DATA(node), size);
+			ptr = __alloc_bootmem_node(NODE_DATA(node), size, align,
+							__pa(MAX_DMA_ADDRESS));
 			if (ptr)
 				printk(KERN_DEBUG "per cpu data for cpu%d on node%d at %016lx\n",
 					 cpu, node, __pa(ptr));
diff --git a/include/linux/init.h b/include/linux/init.h
index 332806826b8..59fbb4aaba6 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -288,7 +288,7 @@ extern struct dyn_array *__per_cpu_dyn_array_start[], *__per_cpu_dyn_array_end[]
 	DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, nameX, nrX, alignX, init_workX)
 
 extern void pre_alloc_dyn_array(void);
-extern unsigned long per_cpu_dyn_array_size(void);
+extern unsigned long per_cpu_dyn_array_size(unsigned long *align);
 extern void per_cpu_alloc_dyn_array(int cpu, char *ptr);
 #endif /* __ASSEMBLY__ */
 
diff --git a/init/main.c b/init/main.c
index 416bca4f734..ab97d0877ac 100644
--- a/init/main.c
+++ b/init/main.c
@@ -394,10 +394,14 @@ static void __init setup_per_cpu_areas(void)
 	unsigned long size, i, old_size;
 	char *ptr;
 	unsigned long nr_possible_cpus = num_possible_cpus();
+	unsigned long align = 1;
+	unsigned da_size;
 
 	/* Copy section for each CPU (we discard the original) */
 	old_size = PERCPU_ENOUGH_ROOM;
-	size = ALIGN(old_size + per_cpu_dyn_array_size(), PAGE_SIZE);
+	da_size = per_cpu_dyn_array_size(&align);
+	align = max_t(unsigned long, PAGE_SIZE, align);
+	size = ALIGN(old_size + da_size, align);
 	ptr = alloc_bootmem_pages(size * nr_possible_cpus);
 
 	for_each_possible_cpu(i) {
@@ -541,45 +545,78 @@ void __init __weak thread_info_cache_init(void)
 void pre_alloc_dyn_array(void)
 {
 #ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned long size, phys = 0;
+	unsigned long total_size = 0, size, phys;
+	unsigned long max_align = 1;
 	struct dyn_array **daa;
+	char *ptr;
 
+	/* get the total size at first */
 	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
 		struct dyn_array *da = *daa;
 
 		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("dyna_array %s ", da->name);
-		printk(KERN_CONT "size:%#lx nr:%d align:%#lx",
+		print_fn_descriptor_symbol("dyn_array %s ", da->name);
+		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
 			da->size, *da->nr, da->align);
-		*da->name = __alloc_bootmem(size, da->align, phys);
-		phys = virt_to_phys(*da->name);
+		total_size += roundup(size, da->align);
+		if (da->align > max_align)
+			max_align = da->align;
+	}
+	if (total_size)
+		printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
+			 total_size);
+	else
+		return;
+
+	/* allocate them all together */
+	max_align = max_t(unsigned long, max_align, PAGE_SIZE);
+	ptr = __alloc_bootmem_nopanic(total_size, max_align, 0);
+	if (!ptr)
+		panic("Can not alloc dyn_alloc\n");
+
+	phys = virt_to_phys(ptr);
+	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("dyn_array %s ", da->name);
+
+		phys = roundup(phys, da->align);
+		*da->name = phys_to_virt(phys);
 		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
 
+		phys += size;
+
 		if (da->init_work)
 			da->init_work(da);
 	}
 #endif
 }
 
-unsigned long per_cpu_dyn_array_size(void)
+unsigned long per_cpu_dyn_array_size(unsigned long *align)
 {
 	unsigned long total_size = 0;
 #ifdef CONFIG_HAVE_DYN_ARRAY
 	unsigned long size;
 	struct dyn_array **daa;
+	unsigned max_align = 1;
 
 	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
 		struct dyn_array *da = *daa;
 
 		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name);
+		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
 		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
 			da->size, *da->nr, da->align);
 		total_size += roundup(size, da->align);
+		if (da->align > max_align)
+			max_align = da->align;
 	}
-	if (total_size)
-		printk(KERN_DEBUG "per_cpu_dyna_array total_size: %#lx\n",
+	if (total_size) {
+		printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
 			 total_size);
+		*align = max_align;
+	}
 #endif
 	return total_size;
 }
@@ -593,14 +630,11 @@ void per_cpu_alloc_dyn_array(int cpu, char *ptr)
 	void **array;
 
 	phys = virt_to_phys(ptr);
-
 	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
 		struct dyn_array *da = *daa;
 
 		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("per_cpu_dyna_array %s ", da->name);
-		printk(KERN_CONT "size:%#lx nr:%d align:%#lx",
-			da->size, *da->nr, da->align);
+		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
 
 		phys = roundup(phys, da->align);
 		addr = (unsigned long)da->name;
@@ -608,7 +642,8 @@ void per_cpu_alloc_dyn_array(int cpu, char *ptr)
 		array = (void **)addr;
 		*array = phys_to_virt(phys);
 		*da->name = *array; /* so init_work could use it directly */
-		printk(KERN_CONT " %p ==> [%#lx - %#lx]\n", array, phys, phys + size);
+		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
+
 		phys += size;
 
 		if (da->init_work) {
-- 
GitLab


From 6da55c3e8da88e8a7cb6452160776ad6706798ad Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:46 -0700
Subject: [PATCH 0626/2224] x86: enable dyn_array support

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/Kconfig                     | 2 ++
 arch/x86/Kconfig                 | 1 +
 arch/x86/kernel/vmlinux_32.lds.S | 1 +
 arch/x86/kernel/vmlinux_64.lds.S | 3 +++
 4 files changed, 7 insertions(+)

diff --git a/arch/Kconfig b/arch/Kconfig
index 0267babe5eb..c1f9febb404 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -103,3 +103,5 @@ config HAVE_CLK
 	  The <linux/clk.h> calls support software clock gating and
 	  thus are a key power management tool on many systems.
 
+config HAVE_DYN_ARRAY
+	def_bool n
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f65c2744d57..42f98009d75 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -33,6 +33,7 @@ config X86
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_GENERIC_DMA_COHERENT if X86_32
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
+	select HAVE_DYN_ARRAY
 
 config ARCH_DEFCONFIG
 	string
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index a9b8560adbc..c36007ab394 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -145,6 +145,7 @@ SECTIONS
 	*(.x86_cpu_dev.init)
 	__x86_cpu_dev_end = .;
   }
+  DYN_ARRAY_INIT(8)
   SECURITY_INIT
   . = ALIGN(4);
   .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index 46e05447405..30973dbac8c 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -173,6 +173,9 @@ SECTIONS
 	*(.x86_cpu_dev.init)
   }
   __x86_cpu_dev_end = .;
+
+  DYN_ARRAY_INIT(8)
+
   SECURITY_INIT
 
   . = ALIGN(8);
-- 
GitLab


From 85c0f90978bf50596dbd23854648020f1f9b5bfd Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:47 -0700
Subject: [PATCH 0627/2224] irq: introduce nr_irqs

at this point nr_irqs is equal NR_IRQS

convert a few easy users from NR_IRQS to dynamic nr_irqs.

v2: according to Eric, we need to take care of arch without generic_hardirqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/m68k/kernel/ints.c   |  2 ++
 arch/s390/kernel/irq.c    |  2 ++
 arch/sparc/kernel/irq.c   |  3 +++
 include/linux/interrupt.h |  2 ++
 kernel/irq/autoprobe.c    | 10 +++++-----
 kernel/irq/chip.c         | 20 ++++++++++----------
 kernel/irq/handle.c       |  3 ++-
 kernel/irq/manage.c       | 16 ++++++++--------
 kernel/irq/proc.c         |  2 +-
 kernel/irq/resend.c       |  4 ++--
 kernel/irq/spurious.c     |  4 ++--
 11 files changed, 39 insertions(+), 29 deletions(-)

diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 7e8a0d394e6..74453d15692 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -46,6 +46,8 @@
 #include <asm/q40ints.h>
 #endif
 
+int nr_irqs = NR_IRQS;
+
 extern u32 auto_irqhandler_fixup[];
 extern u32 user_irqhandler_fixup[];
 extern u16 user_irqvec_fixup[];
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index e7c5bfb7c75..14eb5496c8a 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -17,6 +17,8 @@
 #include <linux/proc_fs.h>
 #include <linux/profile.h>
 
+int nr_irqs = NR_IRQS;
+
 /*
  * show_interrupts is needed by /proc/interrupts.
  */
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 93e1d1c6529..059598b7e0f 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -55,6 +55,9 @@
 #define SMP_NOP2
 #define SMP_NOP3
 #endif /* SMP */
+
+int nr_irqs = NR_IRQS;
+
 unsigned long __raw_local_irq_save(void)
 {
 	unsigned long retval;
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 58ff4e74b2f..511803853a5 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -15,6 +15,8 @@
 #include <asm/ptrace.h>
 #include <asm/system.h>
 
+extern int nr_irqs;
+
 /*
  * These correspond to the IORESOURCE_IRQ_* defines in
  * linux/ioport.h to select the interrupt line behaviour.  When
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 533068cfb60..c689e9851a8 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -38,7 +38,7 @@ unsigned long probe_irq_on(void)
 	 * something may have generated an irq long ago and we want to
 	 * flush such a longstanding irq before considering it as spurious.
 	 */
-	for (i = NR_IRQS-1; i > 0; i--) {
+	for (i = nr_irqs-1; i > 0; i--) {
 		desc = irq_desc + i;
 
 		spin_lock_irq(&desc->lock);
@@ -68,7 +68,7 @@ unsigned long probe_irq_on(void)
 	 * (we must startup again here because if a longstanding irq
 	 * happened in the previous stage, it may have masked itself)
 	 */
-	for (i = NR_IRQS-1; i > 0; i--) {
+	for (i = nr_irqs-1; i > 0; i--) {
 		desc = irq_desc + i;
 
 		spin_lock_irq(&desc->lock);
@@ -89,7 +89,7 @@ unsigned long probe_irq_on(void)
 	 * Now filter out any obviously spurious interrupts
 	 */
 	mask = 0;
-	for (i = 0; i < NR_IRQS; i++) {
+	for (i = 0; i < nr_irqs; i++) {
 		unsigned int status;
 
 		desc = irq_desc + i;
@@ -130,7 +130,7 @@ unsigned int probe_irq_mask(unsigned long val)
 	int i;
 
 	mask = 0;
-	for (i = 0; i < NR_IRQS; i++) {
+	for (i = 0; i < nr_irqs; i++) {
 		struct irq_desc *desc = irq_desc + i;
 		unsigned int status;
 
@@ -173,7 +173,7 @@ int probe_irq_off(unsigned long val)
 {
 	int i, irq_found = 0, nr_irqs = 0;
 
-	for (i = 0; i < NR_IRQS; i++) {
+	for (i = 0; i < nr_irqs; i++) {
 		struct irq_desc *desc = irq_desc + i;
 		unsigned int status;
 
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 5203a599d21..bba66e09870 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -27,7 +27,7 @@ void dynamic_irq_init(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq);
 		return;
 	}
@@ -60,7 +60,7 @@ void dynamic_irq_cleanup(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq);
 		return;
 	}
@@ -92,7 +92,7 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq);
 		return -EINVAL;
 	}
@@ -121,7 +121,7 @@ int set_irq_type(unsigned int irq, unsigned int type)
 	unsigned long flags;
 	int ret = -ENXIO;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq);
 		return -ENODEV;
 	}
@@ -149,7 +149,7 @@ int set_irq_data(unsigned int irq, void *data)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		printk(KERN_ERR
 		       "Trying to install controller data for IRQ%d\n", irq);
 		return -EINVAL;
@@ -175,7 +175,7 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		printk(KERN_ERR
 		       "Trying to install msi data for IRQ%d\n", irq);
 		return -EINVAL;
@@ -201,7 +201,7 @@ int set_irq_chip_data(unsigned int irq, void *data)
 	struct irq_desc *desc = irq_desc + irq;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS || !desc->chip) {
+	if (irq >= nr_irqs || !desc->chip) {
 		printk(KERN_ERR "BUG: bad set_irq_chip_data(IRQ#%d)\n", irq);
 		return -EINVAL;
 	}
@@ -545,7 +545,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		printk(KERN_ERR
 		       "Trying to install type control for IRQ%d\n", irq);
 		return;
@@ -610,7 +610,7 @@ void __init set_irq_noprobe(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq);
 
 		return;
@@ -628,7 +628,7 @@ void __init set_irq_probe(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS) {
+	if (irq >= nr_irqs) {
 		printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq);
 
 		return;
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index f4c8a03a9fb..e9d022cf593 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -47,6 +47,7 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc)
  *
  * Controller mappings for all interrupt sources:
  */
+int nr_irqs = NR_IRQS;
 struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 	[0 ... NR_IRQS-1] = {
 		.status = IRQ_DISABLED,
@@ -265,7 +266,7 @@ void early_init_irq_lock_class(void)
 {
 	int i;
 
-	for (i = 0; i < NR_IRQS; i++)
+	for (i = 0; i < nr_irqs; i++)
 		lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class);
 }
 
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index d363f32dba7..d5a4333d8f1 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -34,7 +34,7 @@ void synchronize_irq(unsigned int irq)
 	struct irq_desc *desc = irq_desc + irq;
 	unsigned int status;
 
-	if (irq >= NR_IRQS)
+	if (irq >= nr_irqs)
 		return;
 
 	do {
@@ -143,7 +143,7 @@ void disable_irq_nosync(unsigned int irq)
 	struct irq_desc *desc = irq_desc + irq;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS)
+	if (irq >= nr_irqs)
 		return;
 
 	spin_lock_irqsave(&desc->lock, flags);
@@ -171,7 +171,7 @@ void disable_irq(unsigned int irq)
 {
 	struct irq_desc *desc = irq_desc + irq;
 
-	if (irq >= NR_IRQS)
+	if (irq >= nr_irqs)
 		return;
 
 	disable_irq_nosync(irq);
@@ -214,7 +214,7 @@ void enable_irq(unsigned int irq)
 	struct irq_desc *desc = irq_desc + irq;
 	unsigned long flags;
 
-	if (irq >= NR_IRQS)
+	if (irq >= nr_irqs)
 		return;
 
 	spin_lock_irqsave(&desc->lock, flags);
@@ -290,7 +290,7 @@ int can_request_irq(unsigned int irq, unsigned long irqflags)
 {
 	struct irqaction *action;
 
-	if (irq >= NR_IRQS || irq_desc[irq].status & IRQ_NOREQUEST)
+	if (irq >= nr_irqs || irq_desc[irq].status & IRQ_NOREQUEST)
 		return 0;
 
 	action = irq_desc[irq].action;
@@ -356,7 +356,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 	int shared = 0;
 	int ret;
 
-	if (irq >= NR_IRQS)
+	if (irq >= nr_irqs)
 		return -EINVAL;
 
 	if (desc->chip == &no_irq_chip)
@@ -515,7 +515,7 @@ void free_irq(unsigned int irq, void *dev_id)
 	unsigned long flags;
 
 	WARN_ON(in_interrupt());
-	if (irq >= NR_IRQS)
+	if (irq >= nr_irqs)
 		return;
 
 	desc = irq_desc + irq;
@@ -630,7 +630,7 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 	 */
 	if ((irqflags & IRQF_SHARED) && !dev_id)
 		return -EINVAL;
-	if (irq >= NR_IRQS)
+	if (irq >= nr_irqs)
 		return -EINVAL;
 	if (irq_desc[irq].status & IRQ_NOREQUEST)
 		return -EINVAL;
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index a09dd29c2fd..e5225a65a4f 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -240,7 +240,7 @@ void init_irq_proc(void)
 	/*
 	 * Create entries for all existing IRQs.
 	 */
-	for (i = 0; i < NR_IRQS; i++)
+	for (i = 0; i < nr_irqs; i++)
 		register_irq_proc(i);
 }
 
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index a8046791ba2..cba8aa5bc7f 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -33,8 +33,8 @@ static void resend_irqs(unsigned long arg)
 	struct irq_desc *desc;
 	int irq;
 
-	while (!bitmap_empty(irqs_resend, NR_IRQS)) {
-		irq = find_first_bit(irqs_resend, NR_IRQS);
+	while (!bitmap_empty(irqs_resend, nr_irqs)) {
+		irq = find_first_bit(irqs_resend, nr_irqs);
 		clear_bit(irq, irqs_resend);
 		desc = irq_desc + irq;
 		local_irq_disable();
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 19fe9d6ebfe..e26ca1e90c0 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -91,7 +91,7 @@ static int misrouted_irq(int irq)
 	int i;
 	int ok = 0;
 
-	for (i = 1; i < NR_IRQS; i++) {
+	for (i = 1; i < nr_irqs; i++) {
 		struct irq_desc *desc = irq_desc + i;
 
 		if (i == irq)	/* Already tried */
@@ -107,7 +107,7 @@ static int misrouted_irq(int irq)
 static void poll_spurious_irqs(unsigned long dummy)
 {
 	int i;
-	for (i = 1; i < NR_IRQS; i++) {
+	for (i = 1; i < nr_irqs; i++) {
 		struct irq_desc *desc = irq_desc + i;
 		unsigned int status;
 
-- 
GitLab


From 0799e432acfda879eaeef9622426bfa1434f3786 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:48 -0700
Subject: [PATCH 0628/2224] x86: use nr_irqs

also add first_free_entry and pin_map_size, which were NR_IRQS derived
constants.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 26 ++++++++++++++------------
 arch/x86/kernel/io_apic_64.c | 33 +++++++++++++++++----------------
 arch/x86/kernel/irq_32.c     |  8 ++++----
 arch/x86/kernel/irq_64.c     |  8 ++++----
 arch/x86/kernel/irqinit_32.c |  2 +-
 arch/x86/kernel/irqinit_64.c |  2 +-
 include/asm-x86/irq.h        |  3 +++
 7 files changed, 44 insertions(+), 38 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index e710289f673..d382990244f 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -70,6 +70,7 @@ int timer_through_8259 __initdata;
  */
 int sis_apic_bug = -1;
 
+int first_free_entry = NR_IRQS;
 /*
  * # of IRQ routing registers
  */
@@ -100,6 +101,8 @@ static int disable_timer_pin_1 __initdata;
 #define MAX_PLUS_SHARED_IRQS NR_IRQS
 #define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS)
 
+int pin_map_size = PIN_MAP_SIZE;
+
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -213,7 +216,6 @@ static void ioapic_mask_entry(int apic, int pin)
  */
 static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 {
-	static int first_free_entry = NR_IRQS;
 	struct irq_pin_list *entry = irq_2_pin + irq;
 
 	while (entry->next)
@@ -222,7 +224,7 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 	if (entry->pin != -1) {
 		entry->next = first_free_entry;
 		entry = irq_2_pin + entry->next;
-		if (++first_free_entry >= PIN_MAP_SIZE)
+		if (++first_free_entry >= pin_map_size)
 			panic("io_apic.c: whoops");
 	}
 	entry->apic = apic;
@@ -457,7 +459,7 @@ static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold)
 	int i, j;
 
 	for_each_online_cpu(i) {
-		for (j = 0; j < NR_IRQS; j++) {
+		for (j = 0; j < nr_irqs; j++) {
 			if (!irq_desc[j].action)
 				continue;
 			/* Is it a significant load ?  */
@@ -492,7 +494,7 @@ static void do_irq_balance(void)
 		if (!cpu_online(i))
 			continue;
 		package_index = CPU_TO_PACKAGEINDEX(i);
-		for (j = 0; j < NR_IRQS; j++) {
+		for (j = 0; j < nr_irqs; j++) {
 			unsigned long value_now, delta;
 			/* Is this an active IRQ or balancing disabled ? */
 			if (!irq_desc[j].action || irq_balancing_disabled(j))
@@ -587,7 +589,7 @@ tryanotherirq:
 	 */
 	move_this_load = 0;
 	selected_irq = -1;
-	for (j = 0; j < NR_IRQS; j++) {
+	for (j = 0; j < nr_irqs; j++) {
 		/* Is this an active IRQ? */
 		if (!irq_desc[j].action)
 			continue;
@@ -664,7 +666,7 @@ static int balanced_irq(void *unused)
 	long time_remaining = balanced_irq_interval;
 
 	/* push everything to CPU 0 to give us a starting point.  */
-	for (i = 0 ; i < NR_IRQS ; i++) {
+	for (i = 0 ; i < nr_irqs ; i++) {
 		irq_desc[i].pending_mask = cpumask_of_cpu(0);
 		set_pending_irq(i, cpumask_of_cpu(0));
 	}
@@ -712,8 +714,8 @@ static int __init balanced_irq_init(void)
 		physical_balance = 1;
 
 	for_each_online_cpu(i) {
-		irq_cpu_data[i].irq_delta = kzalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL);
-		irq_cpu_data[i].last_irq = kzalloc(sizeof(unsigned long) * NR_IRQS, GFP_KERNEL);
+		irq_cpu_data[i].irq_delta = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL);
+		irq_cpu_data[i].last_irq = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL);
 		if (irq_cpu_data[i].irq_delta == NULL || irq_cpu_data[i].last_irq == NULL) {
 			printk(KERN_ERR "balanced_irq_init: out of memory");
 			goto failed;
@@ -1441,7 +1443,7 @@ __apicdebuginit(void) print_IO_APIC(void)
 	}
 	}
 	printk(KERN_DEBUG "IRQ to pin mappings:\n");
-	for (i = 0; i < NR_IRQS; i++) {
+	for (i = 0; i < nr_irqs; i++) {
 		struct irq_pin_list *entry = irq_2_pin + i;
 		if (entry->pin < 0)
 			continue;
@@ -1621,7 +1623,7 @@ static void __init enable_IO_APIC(void)
 	int i, apic;
 	unsigned long flags;
 
-	for (i = 0; i < PIN_MAP_SIZE; i++) {
+	for (i = 0; i < pin_map_size; i++) {
 		irq_2_pin[i].pin = -1;
 		irq_2_pin[i].next = 0;
 	}
@@ -2005,7 +2007,7 @@ static inline void init_IO_APIC_traps(void)
 	 * Also, we've got to be careful not to trash gate
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
-	for (irq = 0; irq < NR_IRQS ; irq++) {
+	for (irq = 0; irq < nr_irqs ; irq++) {
 		if (IO_APIC_IRQ(irq) && !irq_vector[irq]) {
 			/*
 			 * Hmm.. We don't have an entry for this,
@@ -2449,7 +2451,7 @@ int create_irq(void)
 
 	irq = -ENOSPC;
 	spin_lock_irqsave(&vector_lock, flags);
-	for (new = (NR_IRQS - 1); new >= 0; new--) {
+	for (new = (nr_irqs - 1); new >= 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
 		if (irq_vector[new] != 0)
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 02063ae042f..448384c7c1e 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -132,6 +132,7 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 #define MAX_PLUS_SHARED_IRQS NR_IRQS
 #define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS)
 
+int pin_map_size = PIN_MAP_SIZE;
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -224,7 +225,7 @@ static inline void io_apic_sync(unsigned int apic)
 	int pin;							\
 	struct irq_pin_list *entry = irq_2_pin + irq;			\
 									\
-	BUG_ON(irq >= NR_IRQS);						\
+	BUG_ON(irq >= nr_irqs);						\
 	for (;;) {							\
 		unsigned int reg;					\
 		pin = entry->pin;					\
@@ -301,7 +302,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 	int apic, pin;
 	struct irq_pin_list *entry = irq_2_pin + irq;
 
-	BUG_ON(irq >= NR_IRQS);
+	BUG_ON(irq >= nr_irqs);
 	for (;;) {
 		unsigned int reg;
 		apic = entry->apic;
@@ -358,19 +359,19 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
  * shared ISA-space IRQs, so we have to support them. We are super
  * fast in the common case, and fast for shared ISA-space IRQs.
  */
+int first_free_entry = NR_IRQS;
 static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 {
-	static int first_free_entry = NR_IRQS;
 	struct irq_pin_list *entry = irq_2_pin + irq;
 
-	BUG_ON(irq >= NR_IRQS);
+	BUG_ON(irq >= nr_irqs);
 	while (entry->next)
 		entry = irq_2_pin + entry->next;
 
 	if (entry->pin != -1) {
 		entry->next = first_free_entry;
 		entry = irq_2_pin + entry->next;
-		if (++first_free_entry >= PIN_MAP_SIZE)
+		if (++first_free_entry >= pin_map_size)
 			panic("io_apic.c: ran out of irq_2_pin entries!");
 	}
 	entry->apic = apic;
@@ -634,7 +635,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 				best_guess = irq;
 		}
 	}
-	BUG_ON(best_guess >= NR_IRQS);
+	BUG_ON(best_guess >= nr_irqs);
 	return best_guess;
 }
 
@@ -766,7 +767,7 @@ static int pin_2_irq(int idx, int apic, int pin)
 			irq += nr_ioapic_registers[i++];
 		irq += pin;
 	}
-	BUG_ON(irq >= NR_IRQS);
+	BUG_ON(irq >= nr_irqs);
 	return irq;
 }
 
@@ -801,7 +802,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 	int cpu;
 	struct irq_cfg *cfg;
 
-	BUG_ON((unsigned)irq >= NR_IRQS);
+	BUG_ON((unsigned)irq >= nr_irqs);
 	cfg = &irq_cfg[irq];
 
 	/* Only try and allocate irqs on cpus that are present */
@@ -875,7 +876,7 @@ static void __clear_irq_vector(int irq)
 	cpumask_t mask;
 	int cpu, vector;
 
-	BUG_ON((unsigned)irq >= NR_IRQS);
+	BUG_ON((unsigned)irq >= nr_irqs);
 	cfg = &irq_cfg[irq];
 	BUG_ON(!cfg->vector);
 
@@ -895,7 +896,7 @@ void __setup_vector_irq(int cpu)
 	int irq, vector;
 
 	/* Mark the inuse vectors */
-	for (irq = 0; irq < NR_IRQS; ++irq) {
+	for (irq = 0; irq < nr_irqs; ++irq) {
 		if (!cpu_isset(cpu, irq_cfg[irq].domain))
 			continue;
 		vector = irq_cfg[irq].vector;
@@ -1193,7 +1194,7 @@ __apicdebuginit(void) print_IO_APIC(void)
 	}
 	}
 	printk(KERN_DEBUG "IRQ to pin mappings:\n");
-	for (i = 0; i < NR_IRQS; i++) {
+	for (i = 0; i < nr_irqs; i++) {
 		struct irq_pin_list *entry = irq_2_pin + i;
 		if (entry->pin < 0)
 			continue;
@@ -1366,7 +1367,7 @@ void __init enable_IO_APIC(void)
 	int i, apic;
 	unsigned long flags;
 
-	for (i = 0; i < PIN_MAP_SIZE; i++) {
+	for (i = 0; i < pin_map_size; i++) {
 		irq_2_pin[i].pin = -1;
 		irq_2_pin[i].next = 0;
 	}
@@ -1658,7 +1659,7 @@ static void ir_irq_migration(struct work_struct *work)
 {
 	int irq;
 
-	for (irq = 0; irq < NR_IRQS; irq++) {
+	for (irq = 0; irq < nr_irqs; irq++) {
 		struct irq_desc *desc = irq_desc + irq;
 		if (desc->status & IRQ_MOVE_PENDING) {
 			unsigned long flags;
@@ -1707,7 +1708,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
 		struct irq_desc *desc;
 		struct irq_cfg *cfg;
 		irq = __get_cpu_var(vector_irq)[vector];
-		if (irq >= NR_IRQS)
+		if (irq >= nr_irqs)
 			continue;
 
 		desc = irq_desc + irq;
@@ -1865,7 +1866,7 @@ static inline void init_IO_APIC_traps(void)
 	 * Also, we've got to be careful not to trash gate
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
-	for (irq = 0; irq < NR_IRQS ; irq++) {
+	for (irq = 0; irq < nr_irqs ; irq++) {
 		if (IO_APIC_IRQ(irq) && !irq_cfg[irq].vector) {
 			/*
 			 * Hmm.. We don't have an entry for this,
@@ -2279,7 +2280,7 @@ int create_irq(void)
 
 	irq = -ENOSPC;
 	spin_lock_irqsave(&vector_lock, flags);
-	for (new = (NR_IRQS - 1); new >= 0; new--) {
+	for (new = (nr_irqs - 1); new >= 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
 		if (irq_cfg[new].vector != 0)
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index b71e02d42f4..4c7ffb32854 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -226,7 +226,7 @@ unsigned int do_IRQ(struct pt_regs *regs)
 	int overflow, irq = ~regs->orig_ax;
 	struct irq_desc *desc = irq_desc + irq;
 
-	if (unlikely((unsigned)irq >= NR_IRQS)) {
+	if (unlikely((unsigned)irq >= nr_irqs)) {
 		printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
 					__func__, irq);
 		BUG();
@@ -271,7 +271,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 	}
 
-	if (i < NR_IRQS) {
+	if (i < nr_irqs) {
 		unsigned any_count = 0;
 
 		spin_lock_irqsave(&irq_desc[i].lock, flags);
@@ -303,7 +303,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 skip:
 		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	} else if (i == NR_IRQS) {
+	} else if (i == nr_irqs) {
 		seq_printf(p, "NMI: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", nmi_count(j));
@@ -396,7 +396,7 @@ void fixup_irqs(cpumask_t map)
 	unsigned int irq;
 	static int warned;
 
-	for (irq = 0; irq < NR_IRQS; irq++) {
+	for (irq = 0; irq < nr_irqs; irq++) {
 		cpumask_t mask;
 		if (irq == 2)
 			continue;
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index f065fe9071b..e1f0839430d 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -81,7 +81,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 	}
 
-	if (i < NR_IRQS) {
+	if (i < nr_irqs) {
 		unsigned any_count = 0;
 
 		spin_lock_irqsave(&irq_desc[i].lock, flags);
@@ -112,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 skip:
 		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	} else if (i == NR_IRQS) {
+	} else if (i == nr_irqs) {
 		seq_printf(p, "NMI: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
@@ -201,7 +201,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 	stack_overflow_check(regs);
 #endif
 
-	if (likely(irq < NR_IRQS))
+	if (likely(irq < nr_irqs))
 		generic_handle_irq(irq);
 	else {
 		if (!disable_apic)
@@ -224,7 +224,7 @@ void fixup_irqs(cpumask_t map)
 	unsigned int irq;
 	static int warned;
 
-	for (irq = 0; irq < NR_IRQS; irq++) {
+	for (irq = 0; irq < nr_irqs; irq++) {
 		cpumask_t mask;
 		int break_affinity = 0;
 		int set_affinity = 1;
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index 9200a1e2752..65c1c950770 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -100,7 +100,7 @@ void __init native_init_IRQ(void)
 	 */
 	for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
 		int vector = FIRST_EXTERNAL_VECTOR + i;
-		if (i >= NR_IRQS)
+		if (i >= nr_irqs)
 			break;
 		/* SYSCALL_VECTOR was reserved in trap_init. */
 		if (!test_bit(vector, used_vectors))
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
index 5b5be9d43c2..165c5d9b0d1 100644
--- a/arch/x86/kernel/irqinit_64.c
+++ b/arch/x86/kernel/irqinit_64.c
@@ -142,7 +142,7 @@ void __init init_ISA_irqs(void)
 	init_bsp_APIC();
 	init_8259A(0);
 
-	for (i = 0; i < NR_IRQS; i++) {
+	for (i = 0; i < nr_irqs; i++) {
 		irq_desc[i].status = IRQ_DISABLED;
 		irq_desc[i].action = NULL;
 		irq_desc[i].depth = 1;
diff --git a/include/asm-x86/irq.h b/include/asm-x86/irq.h
index 1e5f2909c1d..2a130c44f5d 100644
--- a/include/asm-x86/irq.h
+++ b/include/asm-x86/irq.h
@@ -10,6 +10,9 @@
 #include <asm/apicdef.h>
 #include <asm/irq_vectors.h>
 
+extern int pin_map_size;
+extern int first_free_entry;
+
 static inline int irq_canonicalize(int irq)
 {
 	return ((irq == 2) ? 9 : irq);
-- 
GitLab


From 1f45f5621df82033cb4964d03530ade2f9a25e7b Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:49 -0700
Subject: [PATCH 0629/2224] drivers/char: use nr_irqs

convert them to nr_irqs.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/char/hpet.c       | 2 +-
 drivers/char/random.c     | 4 ++--
 drivers/char/vr41xx_giu.c | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index f3cfb4c7612..408f5f92cb4 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -219,7 +219,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp)
 	for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ;
 		irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) {
 
-		if (irq >= NR_IRQS) {
+		if (irq >= nr_irqs) {
 			irq = HPET_MAX_IRQ;
 			break;
 		}
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 6af435b8986..31456472829 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -648,7 +648,7 @@ EXPORT_SYMBOL_GPL(add_input_randomness);
 
 void add_interrupt_randomness(int irq)
 {
-	if (irq >= NR_IRQS || irq_timer_state[irq] == NULL)
+	if (irq >= nr_irqs || irq_timer_state[irq] == NULL)
 		return;
 
 	DEBUG_ENT("irq event %d\n", irq);
@@ -912,7 +912,7 @@ void rand_initialize_irq(int irq)
 {
 	struct timer_rand_state *state;
 
-	if (irq >= NR_IRQS || irq_timer_state[irq])
+	if (irq >= nr_irqs || irq_timer_state[irq])
 		return;
 
 	/*
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index ffe9b4e3072..54c837288d1 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -641,7 +641,7 @@ static int __devinit giu_probe(struct platform_device *dev)
 	}
 
 	irq = platform_get_irq(dev, 0);
-	if (irq < 0 || irq >= NR_IRQS)
+	if (irq < 0 || irq >= nr_irqs)
 		return -EBUSY;
 
 	return cascade_irq(irq, giu_get_irq);
-- 
GitLab


From 60e4ad7a72fd7ce562cdf8dd850289e1e76bc1b1 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:50 -0700
Subject: [PATCH 0630/2224] drivers/net: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/net/3c59x.c                   | 4 ++--
 drivers/net/hamradio/baycom_ser_fdx.c | 4 ++--
 drivers/net/hamradio/scc.c            | 6 +++---
 drivers/net/wan/sbni.c                | 2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 491ee16da5c..9ba295d9dd9 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -90,7 +90,7 @@ static int vortex_debug = 1;
 #include <linux/eisa.h>
 #include <linux/bitops.h>
 #include <linux/jiffies.h>
-#include <asm/irq.h>			/* For NR_IRQS only. */
+#include <asm/irq.h>			/* For nr_irqs only. */
 #include <asm/io.h>
 #include <asm/uaccess.h>
 
@@ -1221,7 +1221,7 @@ static int __devinit vortex_probe1(struct device *gendev,
 	if (print_info)
 		printk(", IRQ %d\n", dev->irq);
 	/* Tell them about an invalid IRQ. */
-	if (dev->irq <= 0 || dev->irq >= NR_IRQS)
+	if (dev->irq <= 0 || dev->irq >= nr_irqs)
 		printk(KERN_WARNING " *** Warning: IRQ %d is unlikely to work! ***\n",
 			   dev->irq);
 
diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c
index 17ac6975d70..b6a816e60c0 100644
--- a/drivers/net/hamradio/baycom_ser_fdx.c
+++ b/drivers/net/hamradio/baycom_ser_fdx.c
@@ -416,10 +416,10 @@ static int ser12_open(struct net_device *dev)
 	if (!dev || !bc)
 		return -ENXIO;
 	if (!dev->base_addr || dev->base_addr > 0xffff-SER12_EXTENT ||
-	    dev->irq < 2 || dev->irq > NR_IRQS) {
+	    dev->irq < 2 || dev->irq > nr_irqs) {
 		printk(KERN_INFO "baycom_ser_fdx: invalid portnumber (max %u) "
 				"or irq (2 <= irq <= %d)\n",
-				0xffff-SER12_EXTENT, NR_IRQS);
+				0xffff-SER12_EXTENT, nr_irqs);
 		return -ENXIO;
 	}
 	if (bc->baud < 300 || bc->baud > 4800) {
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 45ae9d1191d..c17e39bc546 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1465,7 +1465,7 @@ static void z8530_init(void)
 	printk(KERN_INFO "Init Z8530 driver: %u channels, IRQ", Nchips*2);
 	
 	flag=" ";
-	for (k = 0; k < NR_IRQS; k++)
+	for (k = 0; k < nr_irqs; k++)
 		if (Ivec[k].used) 
 		{
 			printk("%s%d", flag, k);
@@ -1728,7 +1728,7 @@ static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 
 			if (hwcfg.irq == 2) hwcfg.irq = 9;
 
-			if (hwcfg.irq < 0 || hwcfg.irq >= NR_IRQS)
+			if (hwcfg.irq < 0 || hwcfg.irq >= nr_irqs)
 				return -EINVAL;
 				
 			if (!Ivec[hwcfg.irq].used && hwcfg.irq)
@@ -2148,7 +2148,7 @@ static void __exit scc_cleanup_driver(void)
 		}
 		
 	/* To unload the port must be closed so no real IRQ pending */
-	for (k=0; k < NR_IRQS ; k++)
+	for (k = 0; k < nr_irqs ; k++)
 		if (Ivec[k].used) free_irq(k, NULL);
 		
 	local_irq_enable();
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index f972fef87c9..ee51b6a5e60 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -318,7 +318,7 @@ sbni_pci_probe( struct net_device  *dev )
 				continue;
 		}
 
-		if( pci_irq_line <= 0  ||  pci_irq_line >= NR_IRQS )
+		if (pci_irq_line <= 0 || pci_irq_line >= nr_irqs)
 			printk( KERN_WARNING "  WARNING: The PCI BIOS assigned "
 				"this PCI card to IRQ %d, which is unlikely "
 				"to work!.\n"
-- 
GitLab


From a06148c36d3163aee4d5d2cad4e87032d74eaa6d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:51 -0700
Subject: [PATCH 0631/2224] drivers/pci/ intr remapping: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/intr_remapping.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index bb642cc5e18..980566e3352 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -22,7 +22,7 @@ static DEFINE_SPINLOCK(irq_2_ir_lock);
 
 int irq_remapped(int irq)
 {
-	if (irq > NR_IRQS)
+	if (irq > nr_irqs)
 		return 0;
 
 	if (!irq_2_iommu[irq].iommu)
@@ -35,7 +35,7 @@ int get_irte(int irq, struct irte *entry)
 {
 	int index;
 
-	if (!entry || irq > NR_IRQS)
+	if (!entry || irq > nr_irqs)
 		return -1;
 
 	spin_lock(&irq_2_ir_lock);
@@ -126,7 +126,7 @@ int map_irq_to_irte_handle(int irq, u16 *sub_handle)
 	int index;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
@@ -140,7 +140,7 @@ int map_irq_to_irte_handle(int irq, u16 *sub_handle)
 int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
 {
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= NR_IRQS || irq_2_iommu[irq].iommu) {
+	if (irq >= nr_irqs || irq_2_iommu[irq].iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
@@ -158,7 +158,7 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
 int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index)
 {
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
@@ -180,7 +180,7 @@ int modify_irte(int irq, struct irte *irte_modified)
 	struct intel_iommu *iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
@@ -205,7 +205,7 @@ int flush_irte(int irq)
 	struct intel_iommu *iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
@@ -248,7 +248,7 @@ int free_irte(int irq)
 	struct intel_iommu *iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= NR_IRQS || !irq_2_iommu[irq].iommu) {
+	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
-- 
GitLab


From 9130addad2fb2bbe1847f13c838438ff10a66d3a Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:52 -0700
Subject: [PATCH 0632/2224] drivers/pcmcia: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pcmcia/at91_cf.c      | 2 +-
 drivers/pcmcia/vrc4171_card.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index a0ffb8ebfe0..9e1140f085f 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -273,7 +273,7 @@ static int __init at91_cf_probe(struct platform_device *pdev)
 			goto fail0d;
 		cf->socket.pci_irq = board->irq_pin;
 	} else
-		cf->socket.pci_irq = NR_IRQS + 1;
+		cf->socket.pci_irq = nr_irqs + 1;
 
 	/* pcmcia layer only remaps "real" memory not iospace */
 	cf->socket.io_offset = (unsigned long)
diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
index eee2f1cb213..b2c41241905 100644
--- a/drivers/pcmcia/vrc4171_card.c
+++ b/drivers/pcmcia/vrc4171_card.c
@@ -639,7 +639,7 @@ static int __devinit vrc4171_card_setup(char *options)
 		int irq;
 		options += 4;
 		irq = simple_strtoul(options, &options, 0);
-		if (irq >= 0 && irq < NR_IRQS)
+		if (irq >= 0 && irq < nr_irqs)
 			vrc4171_irq = irq;
 
 		if (*options != ',')
-- 
GitLab


From c7576b5b339f08c7346591c71a330b08f8b9943f Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:53 -0700
Subject: [PATCH 0633/2224] drivers/rtc: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/rtc/rtc-vr41xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 884b635f028..834dcc6d785 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -360,7 +360,7 @@ static int __devinit rtc_probe(struct platform_device *pdev)
 	spin_unlock_irq(&rtc_lock);
 
 	aie_irq = platform_get_irq(pdev, 0);
-	if (aie_irq < 0 || aie_irq >= NR_IRQS) {
+	if (aie_irq < 0 || aie_irq >= nr_irqs) {
 		retval = -EBUSY;
 		goto err_device_unregister;
 	}
@@ -371,7 +371,7 @@ static int __devinit rtc_probe(struct platform_device *pdev)
 		goto err_device_unregister;
 
 	pie_irq = platform_get_irq(pdev, 1);
-	if (pie_irq < 0 || pie_irq >= NR_IRQS)
+	if (pie_irq < 0 || pie_irq >= nr_irqs)
 		goto err_free_irq;
 
 	retval = request_irq(pie_irq, rtclong1_interrupt, IRQF_DISABLED,
-- 
GitLab


From 171ac6ae94e31d0fcb5ae922efd4a77a7e48b4e5 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:54 -0700
Subject: [PATCH 0634/2224] drivers/scsi: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/scsi/aha152x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index b5a868d85eb..1e5478abd90 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -337,7 +337,7 @@ CMD_INC_RESID(struct scsi_cmnd *cmd, int inc)
 #else
 #define IRQ_MIN 9
 #if defined(__PPC)
-#define IRQ_MAX (NR_IRQS-1)
+#define IRQ_MAX (nr_irqs-1)
 #else
 #define IRQ_MAX 12
 #endif
-- 
GitLab


From a62c41337356989387d15020dc0f0288aaacfa44 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:55 -0700
Subject: [PATCH 0635/2224] drivers/serial: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/serial/8250.c                   | 2 +-
 drivers/serial/amba-pl010.c             | 2 +-
 drivers/serial/amba-pl011.c             | 2 +-
 drivers/serial/cpm_uart/cpm_uart_core.c | 2 +-
 drivers/serial/m32r_sio.c               | 4 ++--
 drivers/serial/serial_core.c            | 2 +-
 drivers/serial/serial_lh7a40x.c         | 2 +-
 drivers/serial/sh-sci.c                 | 2 +-
 drivers/serial/ucc_uart.c               | 2 +-
 9 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index c66bb44c474..006617e2211 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2486,7 +2486,7 @@ static void serial8250_config_port(struct uart_port *port, int flags)
 static int
 serial8250_verify_port(struct uart_port *port, struct serial_struct *ser)
 {
-	if (ser->irq >= NR_IRQS || ser->irq < 0 ||
+	if (ser->irq >= nr_irqs || ser->irq < 0 ||
 	    ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
 	    ser->type >= ARRAY_SIZE(uart_config) || ser->type == PORT_CIRRUS ||
 	    ser->type == PORT_STARTECH)
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 90b56c2c31e..71562689116 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -512,7 +512,7 @@ static int pl010_verify_port(struct uart_port *port, struct serial_struct *ser)
 	int ret = 0;
 	if (ser->type != PORT_UNKNOWN && ser->type != PORT_AMBA)
 		ret = -EINVAL;
-	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+	if (ser->irq < 0 || ser->irq >= nr_irqs)
 		ret = -EINVAL;
 	if (ser->baud_base < 9600)
 		ret = -EINVAL;
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 9d08f27208a..b7180046f8d 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -572,7 +572,7 @@ static int pl010_verify_port(struct uart_port *port, struct serial_struct *ser)
 	int ret = 0;
 	if (ser->type != PORT_UNKNOWN && ser->type != PORT_AMBA)
 		ret = -EINVAL;
-	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+	if (ser->irq < 0 || ser->irq >= nr_irqs)
 		ret = -EINVAL;
 	if (ser->baud_base < 9600)
 		ret = -EINVAL;
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 25efca5a7a1..e54574c49a3 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -623,7 +623,7 @@ static int cpm_uart_verify_port(struct uart_port *port,
 
 	if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
 		ret = -EINVAL;
-	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+	if (ser->irq < 0 || ser->irq >= nr_irqs)
 		ret = -EINVAL;
 	if (ser->baud_base < 9600)
 		ret = -EINVAL;
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 23d03051101..611c97a1565 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -922,7 +922,7 @@ static void m32r_sio_config_port(struct uart_port *port, int flags)
 static int
 m32r_sio_verify_port(struct uart_port *port, struct serial_struct *ser)
 {
-	if (ser->irq >= NR_IRQS || ser->irq < 0 ||
+	if (ser->irq >= nr_irqs || ser->irq < 0 ||
 	    ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
 	    ser->type >= ARRAY_SIZE(uart_config))
 		return -EINVAL;
@@ -1162,7 +1162,7 @@ static int __init m32r_sio_init(void)
 
 	printk(KERN_INFO "Serial: M32R SIO driver\n");
 
-	for (i = 0; i < NR_IRQS; i++)
+	for (i = 0; i < nr_irqs; i++)
 		spin_lock_init(&irq_lists[i].lock);
 
 	ret = uart_register_driver(&m32r_sio_reg);
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 6bdf3362e3b..874786a11fe 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -741,7 +741,7 @@ static int uart_set_info(struct uart_state *state,
 	if (port->ops->verify_port)
 		retval = port->ops->verify_port(port, &new_serial);
 
-	if ((new_serial.irq >= NR_IRQS) || (new_serial.irq < 0) ||
+	if ((new_serial.irq >= nr_irqs) || (new_serial.irq < 0) ||
 	    (new_serial.baud_base < 9600))
 		retval = -EINVAL;
 
diff --git a/drivers/serial/serial_lh7a40x.c b/drivers/serial/serial_lh7a40x.c
index cb49a5ac022..61dc8b3daa2 100644
--- a/drivers/serial/serial_lh7a40x.c
+++ b/drivers/serial/serial_lh7a40x.c
@@ -460,7 +460,7 @@ static int lh7a40xuart_verify_port (struct uart_port* port,
 
 	if (ser->type != PORT_UNKNOWN && ser->type != PORT_LH7A40X)
 		ret = -EINVAL;
-	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+	if (ser->irq < 0 || ser->irq >= nr_irqs)
 		ret = -EINVAL;
 	if (ser->baud_base < 9600) /* *** FIXME: is this true? */
 		ret = -EINVAL;
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 3df2aaec829..667b4b8fd07 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1157,7 +1157,7 @@ static int sci_verify_port(struct uart_port *port, struct serial_struct *ser)
 {
 	struct sci_port *s = &sci_ports[port->line];
 
-	if (ser->irq != s->irqs[SCIx_TXI_IRQ] || ser->irq > NR_IRQS)
+	if (ser->irq != s->irqs[SCIx_TXI_IRQ] || ser->irq > nr_irqs)
 		return -EINVAL;
 	if (ser->baud_base < 2400)
 		/* No paper tape reader for Mitch.. */
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index 5c5d18dcb6a..503f0b99a3b 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -1066,7 +1066,7 @@ static int qe_uart_verify_port(struct uart_port *port,
 	if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
 		return -EINVAL;
 
-	if (ser->irq < 0 || ser->irq >= NR_IRQS)
+	if (ser->irq < 0 || ser->irq >= nr_irqs)
 		return -EINVAL;
 
 	if (ser->baud_base < 9600)
-- 
GitLab


From da27c118eb4f87f27ae8da2635b916daedf7264f Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:56 -0700
Subject: [PATCH 0636/2224] fs/proc: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 fs/proc/proc_misc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index b675a49c182..a2173a2a562 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -509,7 +509,7 @@ static int show_stat(struct seq_file *p, void *v)
 	struct timespec boottime;
 	unsigned int *per_irq_sum;
 
-	per_irq_sum = kzalloc(sizeof(unsigned int)*NR_IRQS, GFP_KERNEL);
+	per_irq_sum = kzalloc(sizeof(unsigned int)*nr_irqs, GFP_KERNEL);
 	if (!per_irq_sum)
 		return -ENOMEM;
 
@@ -531,7 +531,7 @@ static int show_stat(struct seq_file *p, void *v)
 		softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
 		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
 		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
-		for (j = 0; j < NR_IRQS; j++) {
+		for (j = 0; j < nr_irqs; j++) {
 			unsigned int temp = kstat_cpu(i).irqs[j];
 			sum += temp;
 			per_irq_sum[j] += temp;
@@ -577,7 +577,7 @@ static int show_stat(struct seq_file *p, void *v)
 	}
 	seq_printf(p, "intr %llu", (unsigned long long)sum);
 
-	for (i = 0; i < NR_IRQS; i++)
+	for (i = 0; i < nr_irqs; i++)
 		seq_printf(p, " %u", per_irq_sum[i]);
 
 	seq_printf(p,
@@ -631,13 +631,13 @@ static const struct file_operations proc_stat_operations = {
  */
 static void *int_seq_start(struct seq_file *f, loff_t *pos)
 {
-	return (*pos <= NR_IRQS) ? pos : NULL;
+	return (*pos <= nr_irqs) ? pos : NULL;
 }
 
 static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
 {
 	(*pos)++;
-	if (*pos > NR_IRQS)
+	if (*pos > nr_irqs)
 		return NULL;
 	return pos;
 }
-- 
GitLab


From 5a15d7e85582fa84cbd01c6dcc5d927b43fddff4 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:57 -0700
Subject: [PATCH 0637/2224] drivers/xen: use nr_irqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/xen/events.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index c3290bc186a..ed8235187dc 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -139,7 +139,7 @@ static void init_evtchn_cpu_bindings(void)
 #ifdef CONFIG_SMP
 	int i;
 	/* By default all event channels notify CPU#0. */
-	for (i = 0; i < NR_IRQS; i++)
+	for (i = 0; i < nr_irqs; i++)
 		irq_desc[i].affinity = cpumask_of_cpu(0);
 #endif
 
@@ -229,12 +229,12 @@ static int find_unbound_irq(void)
 	int irq;
 
 	/* Only allocate from dynirq range */
-	for (irq = 0; irq < NR_IRQS; irq++)
+	for (irq = 0; irq < nr_irqs; irq++)
 		if (irq_bindcount[irq] == 0)
 			break;
 
-	if (irq == NR_IRQS)
-		panic("No available IRQ to bind to: increase NR_IRQS!\n");
+	if (irq == nr_irqs)
+		panic("No available IRQ to bind to: increase nr_irqs!\n");
 
 	return irq;
 }
@@ -790,7 +790,7 @@ void xen_irq_resume(void)
 		mask_evtchn(evtchn);
 
 	/* No IRQ <-> event-channel mappings. */
-	for (irq = 0; irq < NR_IRQS; irq++)
+	for (irq = 0; irq < nr_irqs; irq++)
 		irq_info[irq].evtchn = 0; /* zap event-channel binding */
 
 	for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++)
@@ -822,7 +822,7 @@ void __init xen_init_IRQ(void)
 		mask_evtchn(i);
 
 	/* Dynamic IRQ space is currently unbound. Zero the refcnts. */
-	for (i = 0; i < NR_IRQS; i++)
+	for (i = 0; i < nr_irqs; i++)
 		irq_bindcount[i] = 0;
 
 	irq_ctx_init(smp_processor_id());
-- 
GitLab


From eef1de76da54a2ab6c6659c9a3722fd54a0e3459 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:58 -0700
Subject: [PATCH 0638/2224] irqs: make irq_timer_state to use dyn_array

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/char/random.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 31456472829..1610aa64c7c 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -559,7 +559,13 @@ struct timer_rand_state {
 };
 
 static struct timer_rand_state input_timer_state;
+
+#ifdef CONFIG_HAVE_DYN_ARRAY
+static struct timer_rand_state **irq_timer_state;
+DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL);
+#else
 static struct timer_rand_state *irq_timer_state[NR_IRQS];
+#endif
 
 /*
  * This function adds entropy to the entropy "pool" by using timing
-- 
GitLab


From 5aeecaf4908499b1fd006d313ccbacde6a6bac43 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:49:59 -0700
Subject: [PATCH 0639/2224] irq: make irq2_iommu to use dyn_array

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/intr_remapping.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 980566e3352..6961be80768 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -1,3 +1,4 @@
+#include <linux/interrupt.h>
 #include <linux/dmar.h>
 #include <linux/spinlock.h>
 #include <linux/jiffies.h>
@@ -11,12 +12,19 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS];
 static int ir_ioapic_num;
 int intr_remapping_enabled;
 
-static struct {
+struct irq_2_iommu {
 	struct intel_iommu *iommu;
 	u16 irte_index;
 	u16 sub_handle;
 	u8  irte_mask;
-} irq_2_iommu[NR_IRQS];
+};
+
+#ifdef CONFIG_HAVE_DYNA_ARRAY
+static struct irq_2_iommu *irq_2_iommu;
+DEFINE_DYN_ARRAY(irq_2_iommu, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL);
+#else
+static struct irq_2_iommu irq_2_iommu[NR_IRQS];
+#endif
 
 static DEFINE_SPINLOCK(irq_2_ir_lock);
 
-- 
GitLab


From d60458b224d6b997a582a05cb8c4b9bed9e17a1d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:00 -0700
Subject: [PATCH 0640/2224] irq: make irq_desc to use dyn_array

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/irq.h |  4 ++++
 kernel/irq/handle.c | 31 +++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 1d73d1abb83..5f4b013624d 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -179,7 +179,11 @@ struct irq_desc {
 	const char		*name;
 } ____cacheline_internodealigned_in_smp;
 
+#ifdef CONFIG_HAVE_DYN_ARRAY
+extern struct irq_desc *irq_desc;
+#else
 extern struct irq_desc irq_desc[NR_IRQS];
+#endif
 
 /*
  * Migration helpers for obsolete names, they will go away:
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index e9d022cf593..e94eeca09ea 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -48,6 +48,36 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc)
  * Controller mappings for all interrupt sources:
  */
 int nr_irqs = NR_IRQS;
+
+#ifdef CONFIG_HAVE_DYN_ARRAY
+static struct irq_desc irq_desc_init __initdata = {
+	.status = IRQ_DISABLED,
+	.chip = &no_irq_chip,
+	.handle_irq = handle_bad_irq,
+	.depth = 1,
+	.lock = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
+#ifdef CONFIG_SMP
+	.affinity = CPU_MASK_ALL
+#endif
+};
+
+static void __init init_work(void *data)
+{
+	struct dyn_array *da = data;
+	int i;
+	struct  irq_desc *desc;
+
+	desc = *da->name;
+
+	for (i = 0; i < *da->nr; i++)
+		memcpy(&desc[i], &irq_desc_init, sizeof(struct irq_desc));
+}
+
+struct irq_desc *irq_desc;
+DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);
+
+#else
+
 struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 	[0 ... NR_IRQS-1] = {
 		.status = IRQ_DISABLED,
@@ -60,6 +90,7 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 #endif
 	}
 };
+#endif
 
 /*
  * What should we do if we get a hw irq event on an illegal vector?
-- 
GitLab


From fa42d10dd5e1ff373061c0526f272106512301f9 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 19 Aug 2008 20:50:30 -0700
Subject: [PATCH 0641/2224] irq: sparse irqs, export nr_irqs

fix:

  Building modules, stage 2.
  MODPOST 458 modules
  ERROR: "nr_irqs" [drivers/serial/8250.ko] undefined!

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/handle.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index e94eeca09ea..6ce3bcc2b8f 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -48,6 +48,7 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc)
  * Controller mappings for all interrupt sources:
  */
 int nr_irqs = NR_IRQS;
+EXPORT_SYMBOL_GPL(nr_irqs);
 
 #ifdef CONFIG_HAVE_DYN_ARRAY
 static struct irq_desc irq_desc_init __initdata = {
-- 
GitLab


From d17a55ded3393ad3878010bb3a8243a15a8d8df5 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:01 -0700
Subject: [PATCH 0642/2224] irq: make irqs in kernel stat use per_cpu_dyn_array

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/kernel_stat.h | 4 ++++
 kernel/sched.c              | 5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index cf9f40a91c9..fe1f7fe534b 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,7 +28,11 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
 	struct cpu_usage_stat	cpustat;
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned int *irqs;
+#else
 	unsigned int irqs[NR_IRQS];
+#endif
 };
 
 DECLARE_PER_CPU(struct kernel_stat, kstat);
diff --git a/kernel/sched.c b/kernel/sched.c
index 6f230596bd0..b9d713781b5 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4048,9 +4048,12 @@ static inline void idle_balance(int cpu, struct rq *rq)
 #endif
 
 DEFINE_PER_CPU(struct kernel_stat, kstat);
-
 EXPORT_PER_CPU_SYMBOL(kstat);
 
+#ifdef CONFIG_HAVE_DYN_ARRAY
+DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL);
+#endif
+
 /*
  * Return p->sum_exec_runtime plus any more ns on the sched_clock
  * that have not yet been banked in case the task is currently running.
-- 
GitLab


From 301e619020dd67bde7e7e64bb9ffb7f30d26c979 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:02 -0700
Subject: [PATCH 0643/2224] x86: use dyn_array in io_apic_xx.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 54 ++++++++++++++++++++++++++++--------
 arch/x86/kernel/io_apic_64.c | 28 ++++++++++++++-----
 arch/x86/kernel/setup.c      |  6 ++++
 3 files changed, 70 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index d382990244f..7f2bcc3dad8 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -70,7 +70,7 @@ int timer_through_8259 __initdata;
  */
 int sis_apic_bug = -1;
 
-int first_free_entry = NR_IRQS;
+int first_free_entry;
 /*
  * # of IRQ routing registers
  */
@@ -98,10 +98,7 @@ static int disable_timer_pin_1 __initdata;
  * Rough estimation of how many shared IRQs there are, can
  * be changed anytime.
  */
-#define MAX_PLUS_SHARED_IRQS NR_IRQS
-#define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS)
-
-int pin_map_size = PIN_MAP_SIZE;
+int pin_map_size;
 
 /*
  * This is performance-critical, we want to do it O(1)
@@ -112,7 +109,9 @@ int pin_map_size = PIN_MAP_SIZE;
 
 static struct irq_pin_list {
 	int apic, pin, next;
-} irq_2_pin[PIN_MAP_SIZE];
+} *irq_2_pin;
+
+DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, 16, NULL);
 
 struct io_apic {
 	unsigned int index;
@@ -403,9 +402,28 @@ static struct irq_cpu_info {
 
 #define CPU_TO_PACKAGEINDEX(i) (first_cpu(per_cpu(cpu_sibling_map, i)))
 
-static cpumask_t balance_irq_affinity[NR_IRQS] = {
-	[0 ... NR_IRQS-1] = CPU_MASK_ALL
-};
+static cpumask_t balance_irq_affinity_init __initdata = CPU_MASK_ALL;
+
+static cpumask_t *balance_irq_affinity;
+
+
+static void __init irq_affinity_init_work(void *data)
+{
+	struct dyn_array *da = data;
+
+	int i;
+	struct  balance_irq_affinity *affinity;
+
+	affinity = *da->name;
+
+	for (i = 0; i < *da->nr; i++)
+		memcpy(&affinity[i], &balance_irq_affinity_init,
+			 sizeof(struct balance_irq_affinity));
+
+}
+
+DEFINE_DYN_ARRAY(balance_irq_affinity, sizeof(struct balance_irq_affinity), nr_irqs, PAGE_SIZE, irq_affinity_init_work);
+
 
 void set_balance_irq_affinity(unsigned int irq, cpumask_t mask)
 {
@@ -1170,14 +1188,28 @@ static inline int IO_APIC_irq_trigger(int irq)
 }
 
 /* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */
-static u8 irq_vector[NR_IRQ_VECTORS] __read_mostly = { FIRST_DEVICE_VECTOR , 0 };
+static u8 irq_vector_init_first __initdata = FIRST_DEVICE_VECTOR;
+static u8 *irq_vector;
+
+static void __init irq_vector_init_work(void *data)
+{
+	struct dyn_array *da = data;
+
+	u8 *irq_vec;
+
+	irq_vec = *da->name;
+
+	irq_vec[0] = irq_vector_init_first;
+}
+
+DEFINE_DYN_ARRAY(irq_vector, sizeof(u8), nr_irqs, PAGE_SIZE, irq_vector_init_work);
 
 static int __assign_irq_vector(int irq)
 {
 	static int current_vector = FIRST_DEVICE_VECTOR, current_offset;
 	int vector, offset;
 
-	BUG_ON((unsigned)irq >= NR_IRQ_VECTORS);
+	BUG_ON((unsigned)irq >= nr_irqs);
 
 	if (irq_vector[irq] > 0)
 		return irq_vector[irq];
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 448384c7c1e..93a3ffabfe6 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -66,7 +66,7 @@ struct irq_cfg {
 };
 
 /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
-static struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = {
+static struct irq_cfg irq_cfg_legacy[] __initdata = {
 	[0]  = { .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR,  },
 	[1]  = { .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR,  },
 	[2]  = { .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR,  },
@@ -85,6 +85,17 @@ static struct irq_cfg irq_cfg[NR_IRQS] __read_mostly = {
 	[15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, },
 };
 
+static struct irq_cfg *irq_cfg;
+
+static void __init init_work(void *data)
+{
+	struct dyn_array *da = data;
+
+	memcpy(*da->name, irq_cfg_legacy, sizeof(irq_cfg_legacy));
+}
+
+DEFINE_DYN_ARRAY(irq_cfg, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work);
+
 static int assign_irq_vector(int irq, cpumask_t mask);
 
 int first_system_vector = 0xfe;
@@ -129,10 +140,9 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
  * Rough estimation of how many shared IRQs there are, can
  * be changed anytime.
  */
-#define MAX_PLUS_SHARED_IRQS NR_IRQS
-#define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS)
 
-int pin_map_size = PIN_MAP_SIZE;
+int pin_map_size;
+
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -141,8 +151,12 @@ int pin_map_size = PIN_MAP_SIZE;
  */
 
 static struct irq_pin_list {
-	short apic, pin, next;
-} irq_2_pin[PIN_MAP_SIZE];
+	short apic, pin;
+	int next;
+} *irq_2_pin;
+
+DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, sizeof(struct irq_pin_list), NULL);
+
 
 struct io_apic {
 	unsigned int index;
@@ -359,7 +373,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
  * shared ISA-space IRQs, so we have to support them. We are super
  * fast in the common case, and fast for shared ISA-space IRQs.
  */
-int first_free_entry = NR_IRQS;
+int first_free_entry;
 static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 {
 	struct irq_pin_list *entry = irq_2_pin + irq;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2255782e8d4..558ec26b08e 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1067,9 +1067,15 @@ void __init setup_arch(char **cmdline_p)
 #endif
 
 	prefill_possible_map();
+
 #ifdef CONFIG_X86_64
+	/* need to wait for nr_cpu_ids settle down */
+	if (nr_irqs == NR_IRQS)
+		nr_irqs = 32 * nr_cpu_ids + 224;
 	init_cpu_to_node();
 #endif
+	pin_map_size = nr_irqs * 2;
+	first_free_entry = nr_irqs;
 
 	init_apic_mappings();
 	ioapic_init_mappings();
-- 
GitLab


From a84488c213a8cfc29200344a6fb6357d48c8ed85 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 19 Aug 2008 20:50:31 -0700
Subject: [PATCH 0644/2224] irq: sparse irqs, fix #3

fix non-APIC UP build:

 arch/x86/kernel/built-in.o: In function `setup_arch':
 : undefined reference to `pin_map_size'
 arch/x86/kernel/built-in.o: In function `setup_arch':
 : undefined reference to `first_free_entry'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/setup.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 558ec26b08e..02e3a669797 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1074,8 +1074,10 @@ void __init setup_arch(char **cmdline_p)
 		nr_irqs = 32 * nr_cpu_ids + 224;
 	init_cpu_to_node();
 #endif
+#ifdef CONFIG_X86_IO_APIC
 	pin_map_size = nr_irqs * 2;
 	first_free_entry = nr_irqs;
+#endif
 
 	init_apic_mappings();
 	ioapic_init_mappings();
-- 
GitLab


From 71f521bbaf375b685aeea20c6b0ed8600cd6edfe Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:03 -0700
Subject: [PATCH 0645/2224] x86, irq: get nr_irqs from madt

Until now, NR_IRQS was derived from black magic defines that had to
be "large enough" to both accomodate NR_CPUS and MAX_NR_IO_APICs.

This resulted in a way too large irq_desc[] array on most x86 systems.
Especially with larger CPU masks, the size of irq_desc can spiral out
of control quickly.

So be smarter about it and use precise allocation instead: determine the
default maximum possible IRQ number from the ACPI MADT. Use a minimum limit
of at least 32 IRQs for broken BIOSes.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/acpi/boot.c | 30 ++++++++++++++++++++++++++++--
 include/asm-x86/mpspec.h    |  1 +
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index eb875cdc736..3e9d163fd92 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -957,6 +957,29 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
 	nr_ioapics++;
 }
 
+int get_nr_irqs_via_madt(void)
+{
+	int idx;
+	int nr = 0;
+
+	for (idx = 0; idx < nr_ioapics; idx++) {
+		if (mp_ioapic_routing[idx].gsi_end > nr)
+			nr = mp_ioapic_routing[idx].gsi_end;
+	}
+
+	nr++;
+
+	/* double it for hotplug and msi and nmi */
+	nr <<= 1;
+
+	/* something wrong ? */
+	if (nr < 32)
+		nr = 32;
+
+	return nr;
+
+}
+
 static void assign_to_mp_irq(struct mp_config_intsrc *m,
 				    struct mp_config_intsrc *mp_irq)
 {
@@ -1254,9 +1277,12 @@ static int __init acpi_parse_madt_ioapic_entries(void)
 		return count;
 	}
 
+
+	nr_irqs = get_nr_irqs_via_madt();
+
 	count =
 	    acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr,
-				  NR_IRQ_VECTORS);
+				  nr_irqs);
 	if (count < 0) {
 		printk(KERN_ERR PREFIX
 		       "Error parsing interrupt source overrides entry\n");
@@ -1276,7 +1302,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
 
 	count =
 	    acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src,
-				  NR_IRQ_VECTORS);
+				  nr_irqs);
 	if (count < 0) {
 		printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
 		/* TBD: Cleanup to allow fallback to MPS */
diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h
index be2241a818f..a0748021250 100644
--- a/include/asm-x86/mpspec.h
+++ b/include/asm-x86/mpspec.h
@@ -60,6 +60,7 @@ extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
 				   u32 gsi);
 extern void mp_config_acpi_legacy_irqs(void);
 extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low);
+extern int get_nr_irqs_via_madt(void);
 #ifdef CONFIG_X86_IO_APIC
 extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
 				u32 gsi, int triggering, int polarity);
-- 
GitLab


From bfea1238beac9d306eeac081c67de5ca6aec4c7a Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:04 -0700
Subject: [PATCH 0646/2224] x86: remove nr_irq_vectors

remove unused defines derived from the (now obsolete) NR_IRQS define.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-x86/irq_vectors.h | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h
index c5d2d767a1f..cb09802ce65 100644
--- a/include/asm-x86/irq_vectors.h
+++ b/include/asm-x86/irq_vectors.h
@@ -116,7 +116,6 @@
 # else
 #  define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS))
 # endif
-# define NR_IRQ_VECTORS NR_IRQS
 
 #elif !defined(CONFIG_X86_VOYAGER)
 
@@ -124,23 +123,15 @@
 
 #  define NR_IRQS		224
 
-#  if (224 >= 32 * NR_CPUS)
-#   define NR_IRQ_VECTORS	NR_IRQS
-#  else
-#   define NR_IRQ_VECTORS	(32 * NR_CPUS)
-#  endif
-
 # else /* IO_APIC || PARAVIRT */
 
 #  define NR_IRQS		16
-#  define NR_IRQ_VECTORS	NR_IRQS
 
 # endif
 
 #else /* !VISWS && !VOYAGER */
 
 # define NR_IRQS		224
-# define NR_IRQ_VECTORS		NR_IRQS
 
 #endif /* VISWS */
 
-- 
GitLab


From 08678b0841267c1d00d771fe01548d86043d065e Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:05 -0700
Subject: [PATCH 0647/2224] generic: sparse irqs: use irq_desc() together with
 dyn_array, instead of irq_desc[]

add CONFIG_HAVE_SPARSE_IRQ to for use condensed array.
Get rid of irq_desc[] array assumptions.

Preallocate 32 irq_desc, and irq_desc() will try to get more.

( No change in functionality is expected anywhere, except the odd build
  failure where we missed a code site or where a crossing commit itroduces
  new irq_desc[] usage. )

v2: according to Eric, change get_irq_desc() to irq_desc()

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/Kconfig                        |   4 +
 arch/x86/Kconfig                    |   1 +
 arch/x86/kernel/io_apic_32.c        |  46 +++++++---
 arch/x86/kernel/io_apic_64.c        |  75 +++++++++------
 arch/x86/kernel/irq_32.c            |  24 +++--
 arch/x86/kernel/irq_64.c            |  35 +++----
 arch/x86/kernel/irqinit_64.c        |  10 +-
 arch/x86/kernel/visws_quirks.c      |  30 +++---
 arch/x86/mach-voyager/voyager_smp.c |   4 +-
 drivers/gpio/gpiolib.c              |   2 +-
 drivers/mfd/asic3.c                 |   4 +-
 drivers/mfd/htc-egpio.c             |   2 +-
 drivers/parisc/dino.c               |   6 +-
 drivers/parisc/eisa.c               |   4 +-
 drivers/parisc/gsc.c                |  12 ++-
 drivers/parisc/iosapic.c            |   4 +-
 drivers/parisc/superio.c            |   4 +-
 drivers/pcmcia/hd64465_ss.c         |  12 ++-
 drivers/xen/events.c                |   8 +-
 include/linux/irq.h                 |  32 ++++---
 kernel/irq/autoprobe.c              |  10 +-
 kernel/irq/chip.c                   |  32 ++++---
 kernel/irq/handle.c                 | 138 +++++++++++++++++++++++++---
 kernel/irq/manage.c                 |  35 ++++---
 kernel/irq/migration.c              |  14 +--
 kernel/irq/proc.c                   |  36 ++++----
 kernel/irq/resend.c                 |   2 +-
 kernel/irq/spurious.c               |   5 +-
 28 files changed, 404 insertions(+), 187 deletions(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index c1f9febb404..b3676224626 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -105,3 +105,7 @@ config HAVE_CLK
 
 config HAVE_DYN_ARRAY
 	def_bool n
+
+config HAVE_SPARSE_IRQ
+	def_bool n
+
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 42f98009d75..1004888e9b1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -34,6 +34,7 @@ config X86
 	select HAVE_GENERIC_DMA_COHERENT if X86_32
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 	select HAVE_DYN_ARRAY
+	select HAVE_SPARSE_IRQ if X86_64
 
 config ARCH_DEFCONFIG
 	string
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 7f2bcc3dad8..c2160cfdec9 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -345,6 +345,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 	struct irq_pin_list *entry = irq_2_pin + irq;
 	unsigned int apicid_value;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, cpumask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -365,7 +366,8 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 			break;
 		entry = irq_2_pin + entry->next;
 	}
-	irq_desc[irq].affinity = cpumask;
+	desc = irq_to_desc(irq);
+	desc->affinity = cpumask;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
@@ -475,10 +477,12 @@ static inline void balance_irq(int cpu, int irq)
 static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold)
 {
 	int i, j;
+	struct irq_desc *desc;
 
 	for_each_online_cpu(i) {
 		for (j = 0; j < nr_irqs; j++) {
-			if (!irq_desc[j].action)
+			desc = irq_to_desc(j);
+			if (!desc->action)
 				continue;
 			/* Is it a significant load ?  */
 			if (IRQ_DELTA(CPU_TO_PACKAGEINDEX(i), j) <
@@ -505,6 +509,7 @@ static void do_irq_balance(void)
 	unsigned long tmp_cpu_irq;
 	unsigned long imbalance = 0;
 	cpumask_t allowed_mask, target_cpu_mask, tmp;
+	struct irq_desc *desc;
 
 	for_each_possible_cpu(i) {
 		int package_index;
@@ -515,7 +520,8 @@ static void do_irq_balance(void)
 		for (j = 0; j < nr_irqs; j++) {
 			unsigned long value_now, delta;
 			/* Is this an active IRQ or balancing disabled ? */
-			if (!irq_desc[j].action || irq_balancing_disabled(j))
+			desc = irq_to_desc(j);
+			if (!desc->action || irq_balancing_disabled(j))
 				continue;
 			if (package_index == i)
 				IRQ_DELTA(package_index, j) = 0;
@@ -609,7 +615,8 @@ tryanotherirq:
 	selected_irq = -1;
 	for (j = 0; j < nr_irqs; j++) {
 		/* Is this an active IRQ? */
-		if (!irq_desc[j].action)
+		desc = irq_to_desc(j);
+		if (!desc->action)
 			continue;
 		if (imbalance <= IRQ_DELTA(max_loaded, j))
 			continue;
@@ -682,10 +689,12 @@ static int balanced_irq(void *unused)
 	int i;
 	unsigned long prev_balance_time = jiffies;
 	long time_remaining = balanced_irq_interval;
+	struct irq_desc *desc;
 
 	/* push everything to CPU 0 to give us a starting point.  */
 	for (i = 0 ; i < nr_irqs ; i++) {
-		irq_desc[i].pending_mask = cpumask_of_cpu(0);
+		desc = irq_to_desc(i);
+		desc->pending_mask = cpumask_of_cpu(0);
 		set_pending_irq(i, cpumask_of_cpu(0));
 	}
 
@@ -1254,13 +1263,16 @@ static struct irq_chip ioapic_chip;
 
 static void ioapic_register_intr(int irq, int vector, unsigned long trigger)
 {
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
 	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
 	    trigger == IOAPIC_LEVEL) {
-		irq_desc[irq].status |= IRQ_LEVEL;
+		desc->status |= IRQ_LEVEL;
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
 					 handle_fasteoi_irq, "fasteoi");
 	} else {
-		irq_desc[irq].status &= ~IRQ_LEVEL;
+		desc->status &= ~IRQ_LEVEL;
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
 					 handle_edge_irq, "edge");
 	}
@@ -2027,6 +2039,7 @@ static struct irq_chip ioapic_chip __read_mostly = {
 static inline void init_IO_APIC_traps(void)
 {
 	int irq;
+	struct irq_desc *desc;
 
 	/*
 	 * NOTE! The local APIC isn't very good at handling
@@ -2048,9 +2061,11 @@ static inline void init_IO_APIC_traps(void)
 			 */
 			if (irq < 16)
 				make_8259A_irq(irq);
-			else
+			else {
+				desc = irq_to_desc(irq);
 				/* Strange. Oh, well.. */
-				irq_desc[irq].chip = &no_irq_chip;
+				desc->chip = &no_irq_chip;
+			}
 		}
 	}
 }
@@ -2089,7 +2104,10 @@ static struct irq_chip lapic_chip __read_mostly = {
 
 static void lapic_register_intr(int irq, int vector)
 {
-	irq_desc[irq].status &= ~IRQ_LEVEL;
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+	desc->status &= ~IRQ_LEVEL;
 	set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq,
 				      "edge");
 	set_intr_gate(vector, interrupt[irq]);
@@ -2556,6 +2574,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	unsigned int dest;
 	cpumask_t tmp;
 	int vector;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2575,7 +2594,8 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
 	write_msi_msg(irq, &msg);
-	irq_desc[irq].affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
 #endif /* CONFIG_SMP */
 
@@ -2649,6 +2669,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 {
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2659,7 +2680,8 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	dest = cpu_mask_to_apicid(mask);
 
 	target_ht_irq(irq, dest);
-	irq_desc[irq].affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
 #endif
 
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 93a3ffabfe6..cab5a25d81b 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -345,6 +345,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 	unsigned long flags;
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -361,9 +362,10 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 	 */
 	dest = SET_APIC_LOGICAL_ID(dest);
 
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&ioapic_lock, flags);
 	__target_IO_APIC_irq(irq, dest, cfg->vector);
-	irq_desc[irq].affinity = mask;
+	desc->affinity = mask;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 #endif
@@ -933,14 +935,17 @@ static struct irq_chip ir_ioapic_chip;
 
 static void ioapic_register_intr(int irq, unsigned long trigger)
 {
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
 	if (trigger)
-		irq_desc[irq].status |= IRQ_LEVEL;
+		desc->status |= IRQ_LEVEL;
 	else
-		irq_desc[irq].status &= ~IRQ_LEVEL;
+		desc->status &= ~IRQ_LEVEL;
 
 #ifdef CONFIG_INTR_REMAP
 	if (irq_remapped(irq)) {
-		irq_desc[irq].status |= IRQ_MOVE_PCNTXT;
+		desc->status |= IRQ_MOVE_PCNTXT;
 		if (trigger)
 			set_irq_chip_and_handler_name(irq, &ir_ioapic_chip,
 						      handle_fasteoi_irq,
@@ -1596,10 +1601,10 @@ static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration);
 static void migrate_ioapic_irq(int irq, cpumask_t mask)
 {
 	struct irq_cfg *cfg = irq_cfg + irq;
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc;
 	cpumask_t tmp, cleanup_mask;
 	struct irte irte;
-	int modify_ioapic_rte = desc->status & IRQ_LEVEL;
+	int modify_ioapic_rte;
 	unsigned int dest;
 	unsigned long flags;
 
@@ -1616,6 +1621,8 @@ static void migrate_ioapic_irq(int irq, cpumask_t mask)
 	cpus_and(tmp, cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);
 
+	desc = irq_to_desc(irq);
+	modify_ioapic_rte = desc->status & IRQ_LEVEL;
 	if (modify_ioapic_rte) {
 		spin_lock_irqsave(&ioapic_lock, flags);
 		__target_IO_APIC_irq(irq, dest, cfg->vector);
@@ -1637,12 +1644,13 @@ static void migrate_ioapic_irq(int irq, cpumask_t mask)
 		cfg->move_in_progress = 0;
 	}
 
-	irq_desc[irq].affinity = mask;
+	desc->affinity = mask;
 }
 
 static int migrate_irq_remapped_level(int irq)
 {
 	int ret = -1;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	mask_IO_APIC_irq(irq);
 
@@ -1658,11 +1666,11 @@ static int migrate_irq_remapped_level(int irq)
 	}
 
 	/* everthing is clear. we have right of way */
-	migrate_ioapic_irq(irq, irq_desc[irq].pending_mask);
+	migrate_ioapic_irq(irq, desc->pending_mask);
 
 	ret = 0;
-	irq_desc[irq].status &= ~IRQ_MOVE_PENDING;
-	cpus_clear(irq_desc[irq].pending_mask);
+	desc->status &= ~IRQ_MOVE_PENDING;
+	cpus_clear(desc->pending_mask);
 
 unmask:
 	unmask_IO_APIC_irq(irq);
@@ -1674,7 +1682,7 @@ static void ir_irq_migration(struct work_struct *work)
 	int irq;
 
 	for (irq = 0; irq < nr_irqs; irq++) {
-		struct irq_desc *desc = irq_desc + irq;
+		struct irq_desc *desc = irq_to_desc(irq);
 		if (desc->status & IRQ_MOVE_PENDING) {
 			unsigned long flags;
 
@@ -1686,8 +1694,7 @@ static void ir_irq_migration(struct work_struct *work)
 				continue;
 			}
 
-			desc->chip->set_affinity(irq,
-					         irq_desc[irq].pending_mask);
+			desc->chip->set_affinity(irq, desc->pending_mask);
 			spin_unlock_irqrestore(&desc->lock, flags);
 		}
 	}
@@ -1698,9 +1705,11 @@ static void ir_irq_migration(struct work_struct *work)
  */
 static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 {
-	if (irq_desc[irq].status & IRQ_LEVEL) {
-		irq_desc[irq].status |= IRQ_MOVE_PENDING;
-		irq_desc[irq].pending_mask = mask;
+	struct irq_desc *desc = irq_to_desc(irq);
+
+	if (desc->status & IRQ_LEVEL) {
+		desc->status |= IRQ_MOVE_PENDING;
+		desc->pending_mask = mask;
 		migrate_irq_remapped_level(irq);
 		return;
 	}
@@ -1725,7 +1734,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
 		if (irq >= nr_irqs)
 			continue;
 
-		desc = irq_desc + irq;
+		desc = irq_to_desc(irq);
 		cfg = irq_cfg + irq;
 		spin_lock(&desc->lock);
 		if (!cfg->move_cleanup_count)
@@ -1791,7 +1800,7 @@ static void ack_apic_level(unsigned int irq)
 	irq_complete_move(irq);
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 	/* If we are moving the irq we need to mask it */
-	if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) {
+	if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
 		do_unmask_irq = 1;
 		mask_IO_APIC_irq(irq);
 	}
@@ -1868,6 +1877,7 @@ static struct irq_chip ir_ioapic_chip __read_mostly = {
 static inline void init_IO_APIC_traps(void)
 {
 	int irq;
+	struct irq_desc *desc;
 
 	/*
 	 * NOTE! The local APIC isn't very good at handling
@@ -1889,9 +1899,11 @@ static inline void init_IO_APIC_traps(void)
 			 */
 			if (irq < 16)
 				make_8259A_irq(irq);
-			else
+			else {
+				desc = irq_to_desc(irq);
 				/* Strange. Oh, well.. */
-				irq_desc[irq].chip = &no_irq_chip;
+				desc->chip = &no_irq_chip;
+			}
 		}
 	}
 }
@@ -1926,7 +1938,10 @@ static struct irq_chip lapic_chip __read_mostly = {
 
 static void lapic_register_intr(int irq)
 {
-	irq_desc[irq].status &= ~IRQ_LEVEL;
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+	desc->status &= ~IRQ_LEVEL;
 	set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq,
 				      "edge");
 }
@@ -2402,6 +2417,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	struct msi_msg msg;
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2421,7 +2437,8 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
 	write_msi_msg(irq, &msg);
-	irq_desc[irq].affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
 
 #ifdef CONFIG_INTR_REMAP
@@ -2435,6 +2452,7 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	unsigned int dest;
 	cpumask_t tmp, cleanup_mask;
 	struct irte irte;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2469,7 +2487,8 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 		cfg->move_in_progress = 0;
 	}
 
-	irq_desc[irq].affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
 #endif
 #endif /* CONFIG_SMP */
@@ -2543,7 +2562,7 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
 
 #ifdef CONFIG_INTR_REMAP
 	if (irq_remapped(irq)) {
-		struct irq_desc *desc = irq_desc + irq;
+		struct irq_desc *desc = irq_to_desc(irq);
 		/*
 		 * irq migration in process context
 		 */
@@ -2655,6 +2674,7 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
 	struct msi_msg msg;
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2674,7 +2694,8 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
 	dmar_msi_write(irq, &msg);
-	irq_desc[irq].affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
 #endif /* CONFIG_SMP */
 
@@ -2731,6 +2752,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	struct irq_cfg *cfg = irq_cfg + irq;
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2743,7 +2765,8 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	dest = cpu_mask_to_apicid(tmp);
 
 	target_ht_irq(irq, dest, cfg->vector);
-	irq_desc[irq].affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
 #endif
 
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 4c7ffb32854..ede513be517 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -224,7 +224,7 @@ unsigned int do_IRQ(struct pt_regs *regs)
 	struct pt_regs *old_regs;
 	/* high bit used in ret_from_ code */
 	int overflow, irq = ~regs->orig_ax;
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	if (unlikely((unsigned)irq >= nr_irqs)) {
 		printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
@@ -273,15 +273,16 @@ int show_interrupts(struct seq_file *p, void *v)
 
 	if (i < nr_irqs) {
 		unsigned any_count = 0;
+		struct irq_desc *desc = irq_to_desc(i);
 
-		spin_lock_irqsave(&irq_desc[i].lock, flags);
+		spin_lock_irqsave(&desc->lock, flags);
 #ifndef CONFIG_SMP
 		any_count = kstat_irqs(i);
 #else
 		for_each_online_cpu(j)
 			any_count |= kstat_cpu(j).irqs[i];
 #endif
-		action = irq_desc[i].action;
+		action = desc->action;
 		if (!action && !any_count)
 			goto skip;
 		seq_printf(p, "%3d: ",i);
@@ -291,8 +292,8 @@ int show_interrupts(struct seq_file *p, void *v)
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 #endif
-		seq_printf(p, " %8s", irq_desc[i].chip->name);
-		seq_printf(p, "-%-8s", irq_desc[i].name);
+		seq_printf(p, " %8s", desc->chip->name);
+		seq_printf(p, "-%-8s", desc->name);
 
 		if (action) {
 			seq_printf(p, "  %s", action->name);
@@ -302,7 +303,7 @@ int show_interrupts(struct seq_file *p, void *v)
 
 		seq_putc(p, '\n');
 skip:
-		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+		spin_unlock_irqrestore(&desc->lock, flags);
 	} else if (i == nr_irqs) {
 		seq_printf(p, "NMI: ");
 		for_each_online_cpu(j)
@@ -398,17 +399,20 @@ void fixup_irqs(cpumask_t map)
 
 	for (irq = 0; irq < nr_irqs; irq++) {
 		cpumask_t mask;
+		struct irq_desc *desc;
+
 		if (irq == 2)
 			continue;
 
-		cpus_and(mask, irq_desc[irq].affinity, map);
+		desc = irq_to_desc(irq);
+		cpus_and(mask, desc->affinity, map);
 		if (any_online_cpu(mask) == NR_CPUS) {
 			printk("Breaking affinity for irq %i\n", irq);
 			mask = map;
 		}
-		if (irq_desc[irq].chip->set_affinity)
-			irq_desc[irq].chip->set_affinity(irq, mask);
-		else if (irq_desc[irq].action && !(warned++))
+		if (desc->chip->set_affinity)
+			desc->chip->set_affinity(irq, mask);
+		else if (desc->action && !(warned++))
 			printk("Cannot set affinity for irq %i\n", irq);
 	}
 
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index e1f0839430d..738eb65a924 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -83,15 +83,16 @@ int show_interrupts(struct seq_file *p, void *v)
 
 	if (i < nr_irqs) {
 		unsigned any_count = 0;
+		struct irq_desc *desc = irq_to_desc(i);
 
-		spin_lock_irqsave(&irq_desc[i].lock, flags);
+		spin_lock_irqsave(&desc->lock, flags);
 #ifndef CONFIG_SMP
 		any_count = kstat_irqs(i);
 #else
 		for_each_online_cpu(j)
 			any_count |= kstat_cpu(j).irqs[i];
 #endif
-		action = irq_desc[i].action;
+		action = desc->action;
 		if (!action && !any_count)
 			goto skip;
 		seq_printf(p, "%3d: ",i);
@@ -101,8 +102,8 @@ int show_interrupts(struct seq_file *p, void *v)
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 #endif
-		seq_printf(p, " %8s", irq_desc[i].chip->name);
-		seq_printf(p, "-%-8s", irq_desc[i].name);
+		seq_printf(p, " %8s", desc->chip->name);
+		seq_printf(p, "-%-8s", desc->name);
 
 		if (action) {
 			seq_printf(p, "  %s", action->name);
@@ -111,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		}
 		seq_putc(p, '\n');
 skip:
-		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+		spin_unlock_irqrestore(&desc->lock, flags);
 	} else if (i == nr_irqs) {
 		seq_printf(p, "NMI: ");
 		for_each_online_cpu(j)
@@ -228,37 +229,39 @@ void fixup_irqs(cpumask_t map)
 		cpumask_t mask;
 		int break_affinity = 0;
 		int set_affinity = 1;
+		struct irq_desc *desc;
 
 		if (irq == 2)
 			continue;
 
+		desc = irq_to_desc(irq);
 		/* interrupt's are disabled at this point */
-		spin_lock(&irq_desc[irq].lock);
+		spin_lock(&desc->lock);
 
 		if (!irq_has_action(irq) ||
-		    cpus_equal(irq_desc[irq].affinity, map)) {
-			spin_unlock(&irq_desc[irq].lock);
+		    cpus_equal(desc->affinity, map)) {
+			spin_unlock(&desc->lock);
 			continue;
 		}
 
-		cpus_and(mask, irq_desc[irq].affinity, map);
+		cpus_and(mask, desc->affinity, map);
 		if (cpus_empty(mask)) {
 			break_affinity = 1;
 			mask = map;
 		}
 
-		if (irq_desc[irq].chip->mask)
-			irq_desc[irq].chip->mask(irq);
+		if (desc->chip->mask)
+			desc->chip->mask(irq);
 
-		if (irq_desc[irq].chip->set_affinity)
-			irq_desc[irq].chip->set_affinity(irq, mask);
+		if (desc->chip->set_affinity)
+			desc->chip->set_affinity(irq, mask);
 		else if (!(warned++))
 			set_affinity = 0;
 
-		if (irq_desc[irq].chip->unmask)
-			irq_desc[irq].chip->unmask(irq);
+		if (desc->chip->unmask)
+			desc->chip->unmask(irq);
 
-		spin_unlock(&irq_desc[irq].lock);
+		spin_unlock(&desc->lock);
 
 		if (break_affinity && set_affinity)
 			printk("Broke affinity for irq %i\n", irq);
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
index 165c5d9b0d1..0744b49b4d1 100644
--- a/arch/x86/kernel/irqinit_64.c
+++ b/arch/x86/kernel/irqinit_64.c
@@ -143,9 +143,11 @@ void __init init_ISA_irqs(void)
 	init_8259A(0);
 
 	for (i = 0; i < nr_irqs; i++) {
-		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = NULL;
-		irq_desc[i].depth = 1;
+		struct irq_desc *desc = irq_to_desc(i);
+
+		desc->status = IRQ_DISABLED;
+		desc->action = NULL;
+		desc->depth = 1;
 
 		if (i < 16) {
 			/*
@@ -157,7 +159,7 @@ void __init init_ISA_irqs(void)
 			/*
 			 * 'high' PCI IRQs filled in on demand
 			 */
-			irq_desc[i].chip = &no_irq_chip;
+			desc->chip = &no_irq_chip;
 		}
 	}
 }
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 61a97e616f7..9d85ab38443 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -484,10 +484,11 @@ static void disable_cobalt_irq(unsigned int irq)
 static unsigned int startup_cobalt_irq(unsigned int irq)
 {
 	unsigned long flags;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	spin_lock_irqsave(&cobalt_lock, flags);
-	if ((irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING)))
-		irq_desc[irq].status &= ~(IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING);
+	if ((desc->status & (IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING)))
+		desc->status &= ~(IRQ_DISABLED | IRQ_INPROGRESS | IRQ_WAITING);
 	enable_cobalt_irq(irq);
 	spin_unlock_irqrestore(&cobalt_lock, flags);
 	return 0;
@@ -506,9 +507,10 @@ static void ack_cobalt_irq(unsigned int irq)
 static void end_cobalt_irq(unsigned int irq)
 {
 	unsigned long flags;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	spin_lock_irqsave(&cobalt_lock, flags);
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+	if (!(desc->status & (IRQ_DISABLED | IRQ_INPROGRESS)))
 		enable_cobalt_irq(irq);
 	spin_unlock_irqrestore(&cobalt_lock, flags);
 }
@@ -626,7 +628,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id)
 
 	spin_unlock_irqrestore(&i8259A_lock, flags);
 
-	desc = irq_desc + realirq;
+	desc = irq_to_desc(realirq);
 
 	/*
 	 * handle this 'virtual interrupt' as a Cobalt one now.
@@ -662,27 +664,29 @@ void init_VISWS_APIC_irqs(void)
 	int i;
 
 	for (i = 0; i < CO_IRQ_APIC0 + CO_APIC_LAST + 1; i++) {
-		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = 0;
-		irq_desc[i].depth = 1;
+		struct irq_desc *desc = irq_to_desc(i);
+
+		desc->status = IRQ_DISABLED;
+		desc->action = 0;
+		desc->depth = 1;
 
 		if (i == 0) {
-			irq_desc[i].chip = &cobalt_irq_type;
+			desc->chip = &cobalt_irq_type;
 		}
 		else if (i == CO_IRQ_IDE0) {
-			irq_desc[i].chip = &cobalt_irq_type;
+			desc->chip = &cobalt_irq_type;
 		}
 		else if (i == CO_IRQ_IDE1) {
-			irq_desc[i].chip = &cobalt_irq_type;
+			desc->chip = &cobalt_irq_type;
 		}
 		else if (i == CO_IRQ_8259) {
-			irq_desc[i].chip = &piix4_master_irq_type;
+			desc->chip = &piix4_master_irq_type;
 		}
 		else if (i < CO_IRQ_APIC0) {
-			irq_desc[i].chip = &piix4_virtual_irq_type;
+			desc->chip = &piix4_virtual_irq_type;
 		}
 		else if (IS_CO_APIC(i)) {
-			irq_desc[i].chip = &cobalt_irq_type;
+			desc->chip = &cobalt_irq_type;
 		}
 	}
 
diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 199a5f4a873..0f6e8a6523a 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -1483,7 +1483,7 @@ static void disable_local_vic_irq(unsigned int irq)
  * the interrupt off to another CPU */
 static void before_handle_vic_irq(unsigned int irq)
 {
-	irq_desc_t *desc = irq_desc + irq;
+	irq_desc_t *desc = irq_to_desc(irq);
 	__u8 cpu = smp_processor_id();
 
 	_raw_spin_lock(&vic_irq_lock);
@@ -1518,7 +1518,7 @@ static void before_handle_vic_irq(unsigned int irq)
 /* Finish the VIC interrupt: basically mask */
 static void after_handle_vic_irq(unsigned int irq)
 {
-	irq_desc_t *desc = irq_desc + irq;
+	irq_desc_t *desc = irq_to_desc(irq);
 
 	_raw_spin_lock(&vic_irq_lock);
 	{
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 8d2940517c9..572d372899d 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1058,7 +1058,7 @@ static void gpiolib_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 
 		if (!is_out) {
 			int		irq = gpio_to_irq(gpio);
-			struct irq_desc	*desc = irq_desc + irq;
+			struct irq_desc	*desc = irq_to_desc(irq);
 
 			/* This races with request_irq(), set_irq_type(),
 			 * and set_irq_wake() ... but those are "rare".
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index ba5aa200827..e4c0db4dc7b 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -123,7 +123,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
 					irqnr = asic->irq_base +
 						(ASIC3_GPIOS_PER_BANK * bank)
 						+ i;
-					desc = irq_desc + irqnr;
+					desc = irq_to_desc(irqnr);
 					desc->handle_irq(irqnr, desc);
 					if (asic->irq_bothedge[bank] & bit)
 						asic3_irq_flip_edge(asic, base,
@@ -136,7 +136,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
 		for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {
 			/* They start at bit 4 and go up */
 			if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) {
-				desc = irq_desc + asic->irq_base + i;
+				desc = irq_to_desc(asic->irq_base + i);
 				desc->handle_irq(asic->irq_base + i,
 						 desc);
 			}
diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index 6be43172dc6..ad3379fcd19 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -112,7 +112,7 @@ static void egpio_handler(unsigned int irq, struct irq_desc *desc)
 		/* Run irq handler */
 		pr_debug("got IRQ %d\n", irqpin);
 		irq = ei->irq_start + irqpin;
-		desc = &irq_desc[irq];
+		desc = irq_to_desc(irq);
 		desc->handle_irq(irq, desc);
 	}
 }
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index fd56128525d..3bc54b30c3a 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -298,7 +298,8 @@ struct pci_port_ops dino_port_ops = {
 
 static void dino_disable_irq(unsigned int irq)
 {
-	struct dino_device *dino_dev = irq_desc[irq].chip_data;
+	struct irq_desc *desc = irq_to_desc(irq);
+	struct dino_device *dino_dev = desc->chip_data;
 	int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
 
 	DBG(KERN_WARNING "%s(0x%p, %d)\n", __func__, dino_dev, irq);
@@ -310,7 +311,8 @@ static void dino_disable_irq(unsigned int irq)
 
 static void dino_enable_irq(unsigned int irq)
 {
-	struct dino_device *dino_dev = irq_desc[irq].chip_data;
+	struct irq_desc *desc = irq_to_desc(irq);
+	struct dino_device *dino_dev = desc->chip_data;
 	int local_irq = gsc_find_local_irq(irq, dino_dev->global_irq, DINO_LOCAL_IRQS);
 	u32 tmp;
 
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 771cef59254..7891db50c48 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -346,10 +346,10 @@ static int __init eisa_probe(struct parisc_device *dev)
 	}
 	
 	/* Reserve IRQ2 */
-	irq_desc[2].action = &irq2_action;
+	irq_to_desc(2)->action = &irq2_action;
 	
 	for (i = 0; i < 16; i++) {
-		irq_desc[i].chip = &eisa_interrupt_type;
+		irq_to_desc(i)->chip = &eisa_interrupt_type;
 	}
 	
 	EISA_bus = 1;
diff --git a/drivers/parisc/gsc.c b/drivers/parisc/gsc.c
index f7d088b897e..e76db9e4d50 100644
--- a/drivers/parisc/gsc.c
+++ b/drivers/parisc/gsc.c
@@ -108,7 +108,8 @@ int gsc_find_local_irq(unsigned int irq, int *global_irqs, int limit)
 
 static void gsc_asic_disable_irq(unsigned int irq)
 {
-	struct gsc_asic *irq_dev = irq_desc[irq].chip_data;
+	struct irq_desc *desc = irq_to_desc(irq);
+	struct gsc_asic *irq_dev = desc->chip_data;
 	int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
 	u32 imr;
 
@@ -123,7 +124,8 @@ static void gsc_asic_disable_irq(unsigned int irq)
 
 static void gsc_asic_enable_irq(unsigned int irq)
 {
-	struct gsc_asic *irq_dev = irq_desc[irq].chip_data;
+	struct irq_desc *desc = irq_to_desc(irq);
+	struct gsc_asic *irq_dev = desc->chip_data;
 	int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32);
 	u32 imr;
 
@@ -159,12 +161,14 @@ static struct hw_interrupt_type gsc_asic_interrupt_type = {
 int gsc_assign_irq(struct hw_interrupt_type *type, void *data)
 {
 	static int irq = GSC_IRQ_BASE;
+	struct irq_desc *desc;
 
 	if (irq > GSC_IRQ_MAX)
 		return NO_IRQ;
 
-	irq_desc[irq].chip = type;
-	irq_desc[irq].chip_data = data;
+	desc = irq_to_desc(irq);
+	desc->chip = type;
+	desc->chip_data = data;
 	return irq++;
 }
 
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 6fb3f7979f2..7beffcab274 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -619,7 +619,9 @@ iosapic_set_irt_data( struct vector_info *vi, u32 *dp0, u32 *dp1)
 
 static struct vector_info *iosapic_get_vector(unsigned int irq)
 {
-	return irq_desc[irq].chip_data;
+	struct irq_desc *desc = irq_to_desc(irq);
+
+	return desc->chip_data;
 }
 
 static void iosapic_disable_irq(unsigned int irq)
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index 1e8d2d17f04..1e93c837514 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -363,7 +363,9 @@ int superio_fixup_irq(struct pci_dev *pcidev)
 #endif
 
 	for (i = 0; i < 16; i++) {
-		irq_desc[i].chip = &superio_interrupt_type;
+		struct irq_desc *desc = irq_to_desc(i);
+
+		desc->chip = &superio_interrupt_type;
 	}
 
 	/*
diff --git a/drivers/pcmcia/hd64465_ss.c b/drivers/pcmcia/hd64465_ss.c
index 117dc12ab43..9ef69cdb318 100644
--- a/drivers/pcmcia/hd64465_ss.c
+++ b/drivers/pcmcia/hd64465_ss.c
@@ -233,15 +233,18 @@ static struct hw_interrupt_type hd64465_ss_irq_type = {
  */
 static void hs_map_irq(hs_socket_t *sp, unsigned int irq)
 {
+	struct irq_desc *desc;
+
     	DPRINTK("hs_map_irq(sock=%d irq=%d)\n", sp->number, irq);
 	
 	if (irq >= HS_NUM_MAPPED_IRQS)
 	    return;
 
+	desc = irq_to_desc(irq);
     	hs_mapped_irq[irq].sock = sp;
 	/* insert ourselves as the irq controller */
-	hs_mapped_irq[irq].old_handler = irq_desc[irq].chip;
-	irq_desc[irq].chip = &hd64465_ss_irq_type;
+	hs_mapped_irq[irq].old_handler = desc->chip;
+	desc->chip = &hd64465_ss_irq_type;
 }
 
 
@@ -250,13 +253,16 @@ static void hs_map_irq(hs_socket_t *sp, unsigned int irq)
  */
 static void hs_unmap_irq(hs_socket_t *sp, unsigned int irq)
 {
+	struct irq_desc *desc;
+
     	DPRINTK("hs_unmap_irq(sock=%d irq=%d)\n", sp->number, irq);
 	
 	if (irq >= HS_NUM_MAPPED_IRQS)
 	    return;
 		
+	desc = irq_to_desc(irq);
 	/* restore the original irq controller */
-	irq_desc[irq].chip = hs_mapped_irq[irq].old_handler;
+	desc->chip = hs_mapped_irq[irq].old_handler;
 }
 
 /*============================================================*/
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index ed8235187dc..56ace47f24d 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -125,7 +125,7 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
 
 	BUG_ON(irq == -1);
 #ifdef CONFIG_SMP
-	irq_desc[irq].affinity = cpumask_of_cpu(cpu);
+	irq_to_desc(irq)->affinity = cpumask_of_cpu(cpu);
 #endif
 
 	__clear_bit(chn, cpu_evtchn_mask[cpu_evtchn[chn]]);
@@ -139,8 +139,10 @@ static void init_evtchn_cpu_bindings(void)
 #ifdef CONFIG_SMP
 	int i;
 	/* By default all event channels notify CPU#0. */
-	for (i = 0; i < nr_irqs; i++)
-		irq_desc[i].affinity = cpumask_of_cpu(0);
+	for (i = 0; i < nr_irqs; i++) {
+		struct irq_desc *desc = irq_to_desc(i);
+		desc->affinity = cpumask_of_cpu(0);
+	}
 #endif
 
 	memset(cpu_evtchn, 0, sizeof(cpu_evtchn));
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 5f4b013624d..80b8200f2ad 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -152,6 +152,10 @@ struct irq_chip {
  * @name:		flow handler name for /proc/interrupts output
  */
 struct irq_desc {
+	unsigned int		irq;
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+	struct irq_desc		*next;
+#endif
 	irq_flow_handler_t	handle_irq;
 	struct irq_chip		*chip;
 	struct msi_desc		*msi_desc;
@@ -179,9 +183,9 @@ struct irq_desc {
 	const char		*name;
 } ____cacheline_internodealigned_in_smp;
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-extern struct irq_desc *irq_desc;
-#else
+extern struct irq_desc *irq_to_desc(unsigned int irq);
+#ifndef CONFIG_HAVE_DYN_ARRAY
+/* could be removed if we get rid of all irq_desc reference */
 extern struct irq_desc irq_desc[NR_IRQS];
 #endif
 
@@ -249,7 +253,10 @@ extern int no_irq_affinity;
 
 static inline int irq_balancing_disabled(unsigned int irq)
 {
-	return irq_desc[irq].status & IRQ_NO_BALANCING_MASK;
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+	return desc->status & IRQ_NO_BALANCING_MASK;
 }
 
 /* Handle irq action chains: */
@@ -281,7 +288,7 @@ extern unsigned int __do_IRQ(unsigned int irq);
  */
 static inline void generic_handle_irq(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 #ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
 	desc->handle_irq(irq, desc);
@@ -325,7 +332,10 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 static inline void __set_irq_handler_unlocked(int irq,
 					      irq_flow_handler_t handler)
 {
-	irq_desc[irq].handle_irq = handler;
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+	desc->handle_irq = handler;
 }
 
 /*
@@ -359,7 +369,7 @@ extern void destroy_irq(unsigned int irq);
 /* Test to see if a driver has successfully requested an irq */
 static inline int irq_has_action(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	return desc->action != NULL;
 }
 
@@ -374,10 +384,10 @@ extern int set_irq_chip_data(unsigned int irq, void *data);
 extern int set_irq_type(unsigned int irq, unsigned int type);
 extern int set_irq_msi(unsigned int irq, struct msi_desc *entry);
 
-#define get_irq_chip(irq)	(irq_desc[irq].chip)
-#define get_irq_chip_data(irq)	(irq_desc[irq].chip_data)
-#define get_irq_data(irq)	(irq_desc[irq].handler_data)
-#define get_irq_msi(irq)	(irq_desc[irq].msi_desc)
+#define get_irq_chip(irq)	(irq_to_desc(irq)->chip)
+#define get_irq_chip_data(irq)	(irq_to_desc(irq)->chip_data)
+#define get_irq_data(irq)	(irq_to_desc(irq)->handler_data)
+#define get_irq_msi(irq)	(irq_to_desc(irq)->msi_desc)
 
 #endif /* CONFIG_GENERIC_HARDIRQS */
 
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index c689e9851a8..c45ab718cf0 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -39,7 +39,7 @@ unsigned long probe_irq_on(void)
 	 * flush such a longstanding irq before considering it as spurious.
 	 */
 	for (i = nr_irqs-1; i > 0; i--) {
-		desc = irq_desc + i;
+		desc = irq_to_desc(i);
 
 		spin_lock_irq(&desc->lock);
 		if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
@@ -69,7 +69,7 @@ unsigned long probe_irq_on(void)
 	 * happened in the previous stage, it may have masked itself)
 	 */
 	for (i = nr_irqs-1; i > 0; i--) {
-		desc = irq_desc + i;
+		desc = irq_to_desc(i);
 
 		spin_lock_irq(&desc->lock);
 		if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
@@ -92,7 +92,7 @@ unsigned long probe_irq_on(void)
 	for (i = 0; i < nr_irqs; i++) {
 		unsigned int status;
 
-		desc = irq_desc + i;
+		desc = irq_to_desc(i);
 		spin_lock_irq(&desc->lock);
 		status = desc->status;
 
@@ -131,7 +131,7 @@ unsigned int probe_irq_mask(unsigned long val)
 
 	mask = 0;
 	for (i = 0; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_desc + i;
+		struct irq_desc *desc = irq_to_desc(i);
 		unsigned int status;
 
 		spin_lock_irq(&desc->lock);
@@ -174,7 +174,7 @@ int probe_irq_off(unsigned long val)
 	int i, irq_found = 0, nr_irqs = 0;
 
 	for (i = 0; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_desc + i;
+		struct irq_desc *desc = irq_to_desc(i);
 		unsigned int status;
 
 		spin_lock_irq(&desc->lock);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index bba66e09870..76c225cf4b2 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -33,7 +33,7 @@ void dynamic_irq_init(unsigned int irq)
 	}
 
 	/* Ensure we don't have left over values from a previous use of this irq */
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->status = IRQ_DISABLED;
 	desc->chip = &no_irq_chip;
@@ -65,7 +65,7 @@ void dynamic_irq_cleanup(unsigned int irq)
 		return;
 	}
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	if (desc->action) {
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -100,7 +100,7 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 	if (!chip)
 		chip = &no_irq_chip;
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	irq_chip_set_defaults(chip);
 	desc->chip = chip;
@@ -126,7 +126,7 @@ int set_irq_type(unsigned int irq, unsigned int type)
 		return -ENODEV;
 	}
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 	if (type == IRQ_TYPE_NONE)
 		return 0;
 
@@ -155,7 +155,7 @@ int set_irq_data(unsigned int irq, void *data)
 		return -EINVAL;
 	}
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->handler_data = data;
 	spin_unlock_irqrestore(&desc->lock, flags);
@@ -180,7 +180,7 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
 		       "Trying to install msi data for IRQ%d\n", irq);
 		return -EINVAL;
 	}
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->msi_desc = entry;
 	if (entry)
@@ -198,9 +198,10 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
  */
 int set_irq_chip_data(unsigned int irq, void *data)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc;
 	unsigned long flags;
 
+	desc = irq_to_desc(irq);
 	if (irq >= nr_irqs || !desc->chip) {
 		printk(KERN_ERR "BUG: bad set_irq_chip_data(IRQ#%d)\n", irq);
 		return -EINVAL;
@@ -219,8 +220,9 @@ EXPORT_SYMBOL(set_irq_chip_data);
  */
 static void default_enable(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc;
 
+	desc = irq_to_desc(irq);
 	desc->chip->unmask(irq);
 	desc->status &= ~IRQ_MASKED;
 }
@@ -237,7 +239,10 @@ static void default_disable(unsigned int irq)
  */
 static unsigned int default_startup(unsigned int irq)
 {
-	irq_desc[irq].chip->enable(irq);
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+	desc->chip->enable(irq);
 
 	return 0;
 }
@@ -247,8 +252,9 @@ static unsigned int default_startup(unsigned int irq)
  */
 static void default_shutdown(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc;
 
+	desc = irq_to_desc(irq);
 	desc->chip->mask(irq);
 	desc->status |= IRQ_MASKED;
 }
@@ -551,7 +557,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 		return;
 	}
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 
 	if (!handle)
 		handle = handle_bad_irq;
@@ -616,7 +622,7 @@ void __init set_irq_noprobe(unsigned int irq)
 		return;
 	}
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->status |= IRQ_NOPROBE;
@@ -634,7 +640,7 @@ void __init set_irq_probe(unsigned int irq)
 		return;
 	}
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->status &= ~IRQ_NOPROBE;
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 6ce3bcc2b8f..9fc33b3378e 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -18,6 +18,14 @@
 
 #include "internals.h"
 
+#ifdef CONFIG_TRACE_IRQFLAGS
+
+/*
+ * lockdep: we want to handle all irq_desc locks as a single lock-class:
+ */
+static struct lock_class_key irq_desc_lock_class;
+#endif
+
 /**
  * handle_bad_irq - handle spurious and unhandled irqs
  * @irq:       the interrupt number
@@ -51,7 +59,8 @@ int nr_irqs = NR_IRQS;
 EXPORT_SYMBOL_GPL(nr_irqs);
 
 #ifdef CONFIG_HAVE_DYN_ARRAY
-static struct irq_desc irq_desc_init __initdata = {
+static struct irq_desc irq_desc_init = {
+	.irq = -1U,
 	.status = IRQ_DISABLED,
 	.chip = &no_irq_chip,
 	.handle_irq = handle_bad_irq,
@@ -62,6 +71,27 @@ static struct irq_desc irq_desc_init __initdata = {
 #endif
 };
 
+
+static void init_one_irq_desc(struct irq_desc *desc)
+{
+	memcpy(desc, &irq_desc_init, sizeof(struct irq_desc));
+#ifdef CONFIG_TRACE_IRQFLAGS
+	lockdep_set_class(&desc->lock, &irq_desc_lock_class);
+#endif
+}
+
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+static int nr_irq_desc = 32;
+
+static int __init parse_nr_irq_desc(char *arg)
+{
+	if (arg)
+		nr_irq_desc = simple_strtoul(arg, NULL, 0);
+	return 0;
+}
+
+early_param("nr_irq_desc", parse_nr_irq_desc);
+
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
@@ -71,12 +101,83 @@ static void __init init_work(void *data)
 	desc = *da->name;
 
 	for (i = 0; i < *da->nr; i++)
-		memcpy(&desc[i], &irq_desc_init, sizeof(struct irq_desc));
+		init_one_irq_desc(&desc[i]);
+
+	for (i = 1; i < *da->nr; i++)
+		desc[i-1].next = &desc[i];
 }
 
-struct irq_desc *irq_desc;
+static struct irq_desc *sparse_irqs;
+DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work);
+
+extern int after_bootmem;
+extern void *__alloc_bootmem_nopanic(unsigned long size,
+			     unsigned long align,
+			     unsigned long goal);
+struct irq_desc *irq_to_desc(unsigned int irq)
+{
+	struct irq_desc *desc, *desc_pri;
+	int i;
+	int count = 0;
+
+	BUG_ON(irq == -1U);
+
+	desc_pri = desc = &sparse_irqs[0];
+	while (desc) {
+		if (desc->irq == irq)
+			return desc;
+
+		if (desc->irq == -1U) {
+			desc->irq = irq;
+			return desc;
+		}
+		desc_pri = desc;
+		desc = desc->next;
+		count++;
+	}
+
+	/*
+	 *  we run out of pre-allocate ones, allocate more
+	 */
+	printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc);
+
+	if (after_bootmem)
+		desc = kzalloc(sizeof(struct irq_desc)*nr_irq_desc, GFP_ATOMIC);
+	else
+		desc = __alloc_bootmem_nopanic(sizeof(struct irq_desc)*nr_irq_desc, PAGE_SIZE, 0);
+
+	if (!desc)
+		panic("please boot with nr_irq_desc= %d\n", count * 2);
+
+	for (i = 0; i < nr_irq_desc; i++)
+		init_one_irq_desc(&desc[i]);
+
+	for (i = 1; i < nr_irq_desc; i++)
+		desc[i-1].next = &desc[i];
+
+	desc->irq = irq;
+	desc_pri->next = desc;
+
+	return desc;
+}
+#else
+static void __init init_work(void *data)
+{
+	struct dyn_array *da = data;
+	int i;
+	struct  irq_desc *desc;
+
+	desc = *da->name;
+
+	for (i = 0; i < *da->nr; i++)
+		init_one_irq_desc(&desc[i]);
+
+}
+static struct irq_desc *irq_desc;
 DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);
 
+#endif
+
 #else
 
 struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
@@ -85,12 +186,23 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 		.chip = &no_irq_chip,
 		.handle_irq = handle_bad_irq,
 		.depth = 1,
-		.lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
+		.lock = __SPIN_LOCK_UNLOCKED(sparse_irqs->lock),
 #ifdef CONFIG_SMP
 		.affinity = CPU_MASK_ALL
 #endif
 	}
 };
+
+#endif
+
+#ifndef CONFIG_HAVE_SPARSE_IRQ
+struct irq_desc *irq_to_desc(unsigned int irq)
+{
+	if (irq < nr_irqs)
+		return &irq_desc[irq];
+
+	return NULL;
+}
 #endif
 
 /*
@@ -99,7 +211,10 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
  */
 static void ack_bad(unsigned int irq)
 {
-	print_irq_desc(irq, irq_desc + irq);
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+	print_irq_desc(irq, desc);
 	ack_bad_irq(irq);
 }
 
@@ -196,7 +311,7 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
  */
 unsigned int __do_IRQ(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction *action;
 	unsigned int status;
 
@@ -287,19 +402,16 @@ out:
 }
 #endif
 
-#ifdef CONFIG_TRACE_IRQFLAGS
-
-/*
- * lockdep: we want to handle all irq_desc locks as a single lock-class:
- */
-static struct lock_class_key irq_desc_lock_class;
 
+#ifdef CONFIG_TRACE_IRQFLAGS
 void early_init_irq_lock_class(void)
 {
+#ifndef CONFIG_HAVE_DYN_ARRAY
 	int i;
 
 	for (i = 0; i < nr_irqs; i++)
 		lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class);
+#endif
 }
-
 #endif
+
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index d5a4333d8f1..b5943e9f95a 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -31,7 +31,7 @@ cpumask_t irq_default_affinity = CPU_MASK_ALL;
  */
 void synchronize_irq(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned int status;
 
 	if (irq >= nr_irqs)
@@ -64,7 +64,7 @@ EXPORT_SYMBOL(synchronize_irq);
  */
 int irq_can_set_affinity(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	if (CHECK_IRQ_PER_CPU(desc->status) || !desc->chip ||
 	    !desc->chip->set_affinity)
@@ -81,7 +81,7 @@ int irq_can_set_affinity(unsigned int irq)
  */
 int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	if (!desc->chip->set_affinity)
 		return -EINVAL;
@@ -111,14 +111,16 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
 int irq_select_affinity(unsigned int irq)
 {
 	cpumask_t mask;
+	struct irq_desc *desc;
 
 	if (!irq_can_set_affinity(irq))
 		return 0;
 
 	cpus_and(mask, cpu_online_map, irq_default_affinity);
 
-	irq_desc[irq].affinity = mask;
-	irq_desc[irq].chip->set_affinity(irq, mask);
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
+	desc->chip->set_affinity(irq, mask);
 
 	set_balance_irq_affinity(irq, mask);
 	return 0;
@@ -140,7 +142,7 @@ int irq_select_affinity(unsigned int irq)
  */
 void disable_irq_nosync(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
 	if (irq >= nr_irqs)
@@ -169,7 +171,7 @@ EXPORT_SYMBOL(disable_irq_nosync);
  */
 void disable_irq(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	if (irq >= nr_irqs)
 		return;
@@ -211,7 +213,7 @@ static void __enable_irq(struct irq_desc *desc, unsigned int irq)
  */
 void enable_irq(unsigned int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
 	if (irq >= nr_irqs)
@@ -225,7 +227,7 @@ EXPORT_SYMBOL(enable_irq);
 
 static int set_irq_wake_real(unsigned int irq, unsigned int on)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	int ret = -ENXIO;
 
 	if (desc->chip->set_wake)
@@ -248,7 +250,7 @@ static int set_irq_wake_real(unsigned int irq, unsigned int on)
  */
 int set_irq_wake(unsigned int irq, unsigned int on)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 	int ret = 0;
 
@@ -288,12 +290,13 @@ EXPORT_SYMBOL(set_irq_wake);
  */
 int can_request_irq(unsigned int irq, unsigned long irqflags)
 {
+	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction *action;
 
-	if (irq >= nr_irqs || irq_desc[irq].status & IRQ_NOREQUEST)
+	if (irq >= nr_irqs || desc->status & IRQ_NOREQUEST)
 		return 0;
 
-	action = irq_desc[irq].action;
+	action = desc->action;
 	if (action)
 		if (irqflags & action->flags & IRQF_SHARED)
 			action = NULL;
@@ -349,7 +352,7 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
  */
 int setup_irq(unsigned int irq, struct irqaction *new)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction *old, **p;
 	const char *old_name = NULL;
 	unsigned long flags;
@@ -518,7 +521,7 @@ void free_irq(unsigned int irq, void *dev_id)
 	if (irq >= nr_irqs)
 		return;
 
-	desc = irq_desc + irq;
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	p = &desc->action;
 	for (;;) {
@@ -615,6 +618,7 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 {
 	struct irqaction *action;
 	int retval;
+	struct irq_desc *desc;
 
 #ifdef CONFIG_LOCKDEP
 	/*
@@ -632,7 +636,8 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 		return -EINVAL;
 	if (irq >= nr_irqs)
 		return -EINVAL;
-	if (irq_desc[irq].status & IRQ_NOREQUEST)
+	desc = irq_to_desc(irq);
+	if (desc->status & IRQ_NOREQUEST)
 		return -EINVAL;
 	if (!handler)
 		return -EINVAL;
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index 77b7acc875c..90b920d3f52 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -3,18 +3,18 @@
 
 void set_pending_irq(unsigned int irq, cpumask_t mask)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->status |= IRQ_MOVE_PENDING;
-	irq_desc[irq].pending_mask = mask;
+	desc->pending_mask = mask;
 	spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 void move_masked_irq(int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	cpumask_t tmp;
 
 	if (likely(!(desc->status & IRQ_MOVE_PENDING)))
@@ -30,7 +30,7 @@ void move_masked_irq(int irq)
 
 	desc->status &= ~IRQ_MOVE_PENDING;
 
-	if (unlikely(cpus_empty(irq_desc[irq].pending_mask)))
+	if (unlikely(cpus_empty(desc->pending_mask)))
 		return;
 
 	if (!desc->chip->set_affinity)
@@ -38,7 +38,7 @@ void move_masked_irq(int irq)
 
 	assert_spin_locked(&desc->lock);
 
-	cpus_and(tmp, irq_desc[irq].pending_mask, cpu_online_map);
+	cpus_and(tmp, desc->pending_mask, cpu_online_map);
 
 	/*
 	 * If there was a valid mask to work with, please
@@ -55,12 +55,12 @@ void move_masked_irq(int irq)
 	if (likely(!cpus_empty(tmp))) {
 		desc->chip->set_affinity(irq,tmp);
 	}
-	cpus_clear(irq_desc[irq].pending_mask);
+	cpus_clear(desc->pending_mask);
 }
 
 void move_native_irq(int irq)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 
 	if (likely(!(desc->status & IRQ_MOVE_PENDING)))
 		return;
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index e5225a65a4f..c2f356c808f 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -19,7 +19,7 @@ static struct proc_dir_entry *root_irq_dir;
 
 static int irq_affinity_proc_show(struct seq_file *m, void *v)
 {
-	struct irq_desc *desc = irq_desc + (long)m->private;
+	struct irq_desc *desc = irq_to_desc((long)m->private);
 	cpumask_t *mask = &desc->affinity;
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
@@ -43,7 +43,7 @@ static ssize_t irq_affinity_proc_write(struct file *file,
 	cpumask_t new_value;
 	int err;
 
-	if (!irq_desc[irq].chip->set_affinity || no_irq_affinity ||
+	if (!irq_to_desc(irq)->chip->set_affinity || no_irq_affinity ||
 	    irq_balancing_disabled(irq))
 		return -EIO;
 
@@ -132,20 +132,20 @@ static const struct file_operations default_affinity_proc_fops = {
 static int irq_spurious_read(char *page, char **start, off_t off,
 				  int count, int *eof, void *data)
 {
-	struct irq_desc *d = &irq_desc[(long) data];
+	struct irq_desc *desc = irq_to_desc((long) data);
 	return sprintf(page, "count %u\n"
 			     "unhandled %u\n"
 			     "last_unhandled %u ms\n",
-			d->irq_count,
-			d->irqs_unhandled,
-			jiffies_to_msecs(d->last_unhandled));
+			desc->irq_count,
+			desc->irqs_unhandled,
+			jiffies_to_msecs(desc->last_unhandled));
 }
 
 #define MAX_NAMELEN 128
 
 static int name_unique(unsigned int irq, struct irqaction *new_action)
 {
-	struct irq_desc *desc = irq_desc + irq;
+	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction *action;
 	unsigned long flags;
 	int ret = 1;
@@ -165,8 +165,9 @@ static int name_unique(unsigned int irq, struct irqaction *new_action)
 void register_handler_proc(unsigned int irq, struct irqaction *action)
 {
 	char name [MAX_NAMELEN];
+	struct irq_desc *desc = irq_to_desc(irq);
 
-	if (!irq_desc[irq].dir || action->dir || !action->name ||
+	if (!desc->dir || action->dir || !action->name ||
 					!name_unique(irq, action))
 		return;
 
@@ -174,7 +175,7 @@ void register_handler_proc(unsigned int irq, struct irqaction *action)
 	snprintf(name, MAX_NAMELEN, "%s", action->name);
 
 	/* create /proc/irq/1234/handler/ */
-	action->dir = proc_mkdir(name, irq_desc[irq].dir);
+	action->dir = proc_mkdir(name, desc->dir);
 }
 
 #undef MAX_NAMELEN
@@ -185,25 +186,24 @@ void register_irq_proc(unsigned int irq)
 {
 	char name [MAX_NAMELEN];
 	struct proc_dir_entry *entry;
+	struct irq_desc *desc = irq_to_desc(irq);
 
-	if (!root_irq_dir ||
-		(irq_desc[irq].chip == &no_irq_chip) ||
-			irq_desc[irq].dir)
+	if (!root_irq_dir || (desc->chip == &no_irq_chip) || desc->dir)
 		return;
 
 	memset(name, 0, MAX_NAMELEN);
 	sprintf(name, "%d", irq);
 
 	/* create /proc/irq/1234 */
-	irq_desc[irq].dir = proc_mkdir(name, root_irq_dir);
+	desc->dir = proc_mkdir(name, root_irq_dir);
 
 #ifdef CONFIG_SMP
 	/* create /proc/irq/<irq>/smp_affinity */
-	proc_create_data("smp_affinity", 0600, irq_desc[irq].dir,
+	proc_create_data("smp_affinity", 0600, desc->dir,
 			 &irq_affinity_proc_fops, (void *)(long)irq);
 #endif
 
-	entry = create_proc_entry("spurious", 0444, irq_desc[irq].dir);
+	entry = create_proc_entry("spurious", 0444, desc->dir);
 	if (entry) {
 		entry->data = (void *)(long)irq;
 		entry->read_proc = irq_spurious_read;
@@ -214,8 +214,10 @@ void register_irq_proc(unsigned int irq)
 
 void unregister_handler_proc(unsigned int irq, struct irqaction *action)
 {
-	if (action->dir)
-		remove_proc_entry(action->dir->name, irq_desc[irq].dir);
+	if (action->dir) {
+		struct irq_desc *desc = irq_to_desc(irq);
+		remove_proc_entry(action->dir->name, desc->dir);
+	}
 }
 
 void register_default_affinity_proc(void)
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index cba8aa5bc7f..89c7117acf2 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -36,7 +36,7 @@ static void resend_irqs(unsigned long arg)
 	while (!bitmap_empty(irqs_resend, nr_irqs)) {
 		irq = find_first_bit(irqs_resend, nr_irqs);
 		clear_bit(irq, irqs_resend);
-		desc = irq_desc + irq;
+		desc = irq_to_desc(irq);
 		local_irq_disable();
 		desc->handle_irq(irq, desc);
 		local_irq_enable();
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index e26ca1e90c0..b5d906002e1 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -92,11 +92,12 @@ static int misrouted_irq(int irq)
 	int ok = 0;
 
 	for (i = 1; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_desc + i;
+		struct irq_desc *desc;
 
 		if (i == irq)	/* Already tried */
 			continue;
 
+		desc = irq_to_desc(i);
 		if (try_one_irq(i, desc))
 			ok = 1;
 	}
@@ -108,7 +109,7 @@ static void poll_spurious_irqs(unsigned long dummy)
 {
 	int i;
 	for (i = 1; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_desc + i;
+		struct irq_desc *desc = irq_to_desc(i);
 		unsigned int status;
 
 		/* Racy but it doesn't matter */
-- 
GitLab


From 3bf52a4df3ccd25d4154797977c556a2a8b3bc1e Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 19 Aug 2008 20:50:29 -0700
Subject: [PATCH 0648/2224] irq: sparse irqs, fix IRQ auto-probe crash

fix:

[   10.631533] calling  yenta_socket_init+0x0/0x20
[   10.631533] Yenta: CardBus bridge found at 0000:15:00.0 [17aa:2012]
[   10.631533] Yenta: Using INTVAL to route CSC interrupts to PCI
[   10.631533] Yenta: Routing CardBus interrupts to PCI
[   10.631533] Yenta TI: socket 0000:15:00.0, mfunc 0x01d01002, devctl 0x64
[   10.731599] BUG: unable to handle kernel NULL pointer dereference at 00000040
[   10.731838] IP: [<c0c95b5f>] _spin_lock_irq+0xf/0x20
[   10.732221] *pde = 00000000
[   10.732741] Oops: 0002 [#1] SMP
[   10.733453]
[   10.734253] Pid: 1, comm: swapper Tainted: G        W (2.6.27-rc3-tip-00173-gd7eaa4f-dirty #1)
[   10.735188] EIP: 0060:[<c0c95b5f>] EFLAGS: 00010002 CPU: 0
[   10.735523] EIP is at _spin_lock_irq+0xf/0x20
[   10.735523] EAX: 00000040 EBX: 00000000 ECX: f6e04c90 EDX: 00000100
[   10.735523] ESI: 000000df EDI: f6e04c90 EBP: f7867df0 ESP: f7867df0
[   10.735523]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[   10.735523] Process swapper (pid: 1, ti=f7867000 task=f7870000 task.ti=f7867000)
[   10.735523] Stack: f7867e04 c0155fbd 00000000 00000000 f6e04c90 f7867e5c c0c6e319 c0f6a074
[   10.735523]        f6e04c90 000017aa 00002012 c112b648 f791f240 c112b5e0 f7867e44 c010440b
[   10.735523]        f791f240 f791f29c c112b8ec f791f240 00000000 f7867e5c c048f893 03c0b648
[   10.735523] Call Trace:
[   10.735523]  [<c0155fbd>] ? probe_irq_on+0x3d/0x140
[   10.735523]  [<c0c6e319>] ? yenta_probe+0x529/0x640
[   10.735523]  [<c010440b>] ? mcount_call+0x5/0xa
[   10.735523]  [<c048f893>] ? pci_match_device+0xa3/0xb0
[   10.735523]  [<c048fc1e>] ? pci_device_probe+0x5e/0x80
[   10.735523]  [<c0515423>] ? driver_probe_device+0x83/0x180
[   10.735523]  [<c0515594>] ? __driver_attach+0x74/0x80
[   10.735523]  [<c0514b69>] ? bus_for_each_dev+0x49/0x70
[   10.735523]  [<c051528e>] ? driver_attach+0x1e/0x20
[   10.735523]  [<c0515520>] ? __driver_attach+0x0/0x80
[   10.735523]  [<c05150d3>] ? bus_add_driver+0x1a3/0x220
[   10.735523]  [<c048fb60>] ? pci_device_remove+0x0/0x40
[   10.735523]  [<c05157f4>] ? driver_register+0x54/0x130
[   10.735523]  [<c048fe2f>] ? __pci_register_driver+0x4f/0x90
[   10.735523]  [<c11e9419>] ? yenta_socket_init+0x19/0x20
[   10.735523]  [<c0101125>] ? do_one_initcall+0x35/0x160
[   10.735523]  [<c11e9400>] ? yenta_socket_init+0x0/0x20
[   10.735523]  [<c01391a6>] ? __queue_work+0x36/0x50
[   10.735523]  [<c013922d>] ? queue_work_on+0x3d/0x50
[   10.735523]  [<c11a2758>] ? kernel_init+0x148/0x210
[   10.735523]  [<c11a2610>] ? kernel_init+0x0/0x210
[   10.735523]  [<c01043f3>] ? kernel_thread_helper+0x7/0x10
[   10.735523]  =======================
[   10.735523] Code: 10 38 f2 74 06 f3 90 8a 10 eb f6 5d 89 c8 c3 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 89 e5 e8 a4 e8 46 ff fa ba 00 01 00 00 90 <66> 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 5d c3 90 55 89 e5 53

as auto-probing wants to iterate over existing irqs.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/autoprobe.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index c45ab718cf0..b3a5549ea81 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -40,6 +40,8 @@ unsigned long probe_irq_on(void)
 	 */
 	for (i = nr_irqs-1; i > 0; i--) {
 		desc = irq_to_desc(i);
+		if (!desc)
+			continue;
 
 		spin_lock_irq(&desc->lock);
 		if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
@@ -70,6 +72,8 @@ unsigned long probe_irq_on(void)
 	 */
 	for (i = nr_irqs-1; i > 0; i--) {
 		desc = irq_to_desc(i);
+		if (!desc)
+			continue;
 
 		spin_lock_irq(&desc->lock);
 		if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
@@ -93,6 +97,8 @@ unsigned long probe_irq_on(void)
 		unsigned int status;
 
 		desc = irq_to_desc(i);
+		if (!desc)
+			continue;
 		spin_lock_irq(&desc->lock);
 		status = desc->status;
 
@@ -134,6 +140,8 @@ unsigned int probe_irq_mask(unsigned long val)
 		struct irq_desc *desc = irq_to_desc(i);
 		unsigned int status;
 
+		if (!desc)
+			continue;
 		spin_lock_irq(&desc->lock);
 		status = desc->status;
 
@@ -177,6 +185,8 @@ int probe_irq_off(unsigned long val)
 		struct irq_desc *desc = irq_to_desc(i);
 		unsigned int status;
 
+		if (!desc)
+			continue;
 		spin_lock_irq(&desc->lock);
 		status = desc->status;
 
-- 
GitLab


From 3ac2de48ed3c998df7f366e039c97eedb27e7c3d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:06 -0700
Subject: [PATCH 0649/2224] x86: add irq_cfg in io_apic_64.c

preallocate size is 32, and if it is not enough, irq_cfg will more
via alloc_bootmem() or kzalloc(). (depending on how early we are in
system setup)

v2: fix typo about size of init_one_irq_cfg ... should use sizeof(struct irq_cfg)
v3: according to Eric, change get_irq_cfg() to irq_cfg()
v4: squash add irq_cfg_alloc in

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 209 ++++++++++++++++++++++++++++-------
 1 file changed, 169 insertions(+), 40 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index cab5a25d81b..858c37a31a2 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -57,7 +57,11 @@
 
 #define __apicdebuginit(type) static type __init
 
+struct irq_cfg;
+
 struct irq_cfg {
+	unsigned int irq;
+	struct irq_cfg *next;
 	cpumask_t domain;
 	cpumask_t old_domain;
 	unsigned move_cleanup_count;
@@ -67,34 +71,132 @@ struct irq_cfg {
 
 /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
 static struct irq_cfg irq_cfg_legacy[] __initdata = {
-	[0]  = { .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR,  },
-	[1]  = { .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR,  },
-	[2]  = { .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR,  },
-	[3]  = { .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR,  },
-	[4]  = { .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR,  },
-	[5]  = { .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR,  },
-	[6]  = { .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR,  },
-	[7]  = { .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR,  },
-	[8]  = { .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR,  },
-	[9]  = { .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR,  },
-	[10] = { .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, },
-	[11] = { .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, },
-	[12] = { .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, },
-	[13] = { .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, },
-	[14] = { .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, },
-	[15] = { .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, },
+	[0]  = { .irq =  0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR,  },
+	[1]  = { .irq =  1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR,  },
+	[2]  = { .irq =  2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR,  },
+	[3]  = { .irq =  3, .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR,  },
+	[4]  = { .irq =  4, .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR,  },
+	[5]  = { .irq =  5, .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR,  },
+	[6]  = { .irq =  6, .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR,  },
+	[7]  = { .irq =  7, .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR,  },
+	[8]  = { .irq =  8, .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR,  },
+	[9]  = { .irq =  9, .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR,  },
+	[10] = { .irq = 10, .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, },
+	[11] = { .irq = 11, .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, },
+	[12] = { .irq = 12, .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, },
+	[13] = { .irq = 13, .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, },
+	[14] = { .irq = 14, .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, },
+	[15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, },
 };
 
-static struct irq_cfg *irq_cfg;
+static struct irq_cfg irq_cfg_init = { .irq =  -1U, };
+/* need to be biger than size of irq_cfg_legacy */
+static int nr_irq_cfg = 32;
+
+static int __init parse_nr_irq_cfg(char *arg)
+{
+	if (arg) {
+		nr_irq_cfg = simple_strtoul(arg, NULL, 0);
+		if (nr_irq_cfg < 32)
+			nr_irq_cfg = 32;
+	}
+	return 0;
+}
+
+early_param("nr_irq_cfg", parse_nr_irq_cfg);
+
+static void init_one_irq_cfg(struct irq_cfg *cfg)
+{
+	memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg));
+}
 
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
+	struct irq_cfg *cfg;
+	int i;
 
-	memcpy(*da->name, irq_cfg_legacy, sizeof(irq_cfg_legacy));
+	cfg = *da->name;
+
+	memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
+
+	i = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
+	for (; i < *da->nr; i++)
+		init_one_irq_cfg(&cfg[i]);
+
+	for (i = 1; i < *da->nr; i++)
+		cfg[i-1].next = &cfg[i];
 }
 
-DEFINE_DYN_ARRAY(irq_cfg, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work);
+static struct irq_cfg *irq_cfgx;
+DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
+
+static struct irq_cfg *irq_cfg(unsigned int irq)
+{
+	struct irq_cfg *cfg;
+
+	BUG_ON(irq == -1U);
+
+	cfg = &irq_cfgx[0];
+	while (cfg) {
+		if (cfg->irq == irq)
+			return cfg;
+
+		if (cfg->irq == -1U)
+			return NULL;
+
+		cfg = cfg->next;
+	}
+
+	return NULL;
+}
+
+static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
+{
+	struct irq_cfg *cfg, *cfg_pri;
+	int i;
+	int count = 0;
+
+	BUG_ON(irq == -1U);
+
+	cfg_pri = cfg = &irq_cfgx[0];
+	while (cfg) {
+		if (cfg->irq == irq)
+			return cfg;
+
+		if (cfg->irq == -1U) {
+			cfg->irq = irq;
+			return cfg;
+		}
+		cfg_pri = cfg;
+		cfg = cfg->next;
+		count++;
+	}
+
+	/*
+	 *  we run out of pre-allocate ones, allocate more
+	 */
+	printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg);
+
+	if (after_bootmem)
+		cfg = kzalloc(sizeof(struct irq_cfg)*nr_irq_cfg, GFP_ATOMIC);
+	else
+		cfg = __alloc_bootmem_nopanic(sizeof(struct irq_cfg)*nr_irq_cfg, PAGE_SIZE, 0);
+
+	if (!cfg)
+		panic("please boot with nr_irq_cfg= %d\n", count * 2);
+
+	for (i = 0; i < nr_irq_cfg; i++)
+		init_one_irq_cfg(&cfg[i]);
+
+	for (i = 1; i < nr_irq_cfg; i++)
+		cfg[i-1].next = &cfg[i];
+
+	cfg->irq = irq;
+	cfg_pri->next = cfg;
+
+	return cfg;
+}
 
 static int assign_irq_vector(int irq, cpumask_t mask);
 
@@ -341,7 +443,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 
 static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg = irq_cfg(irq);
 	unsigned long flags;
 	unsigned int dest;
 	cpumask_t tmp;
@@ -381,6 +483,8 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 	struct irq_pin_list *entry = irq_2_pin + irq;
 
 	BUG_ON(irq >= nr_irqs);
+	irq_cfg_alloc(irq);
+
 	while (entry->next)
 		entry = irq_2_pin + entry->next;
 
@@ -819,7 +923,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 	struct irq_cfg *cfg;
 
 	BUG_ON((unsigned)irq >= nr_irqs);
-	cfg = &irq_cfg[irq];
+	cfg = irq_cfg(irq);
 
 	/* Only try and allocate irqs on cpus that are present */
 	cpus_and(mask, mask, cpu_online_map);
@@ -893,7 +997,7 @@ static void __clear_irq_vector(int irq)
 	int cpu, vector;
 
 	BUG_ON((unsigned)irq >= nr_irqs);
-	cfg = &irq_cfg[irq];
+	cfg = irq_cfg(irq);
 	BUG_ON(!cfg->vector);
 
 	vector = cfg->vector;
@@ -913,17 +1017,23 @@ void __setup_vector_irq(int cpu)
 
 	/* Mark the inuse vectors */
 	for (irq = 0; irq < nr_irqs; ++irq) {
-		if (!cpu_isset(cpu, irq_cfg[irq].domain))
+		struct irq_cfg *cfg = irq_cfg(irq);
+
+		if (!cpu_isset(cpu, cfg->domain))
 			continue;
-		vector = irq_cfg[irq].vector;
+		vector = cfg->vector;
 		per_cpu(vector_irq, cpu)[vector] = irq;
 	}
 	/* Mark the free vectors */
 	for (vector = 0; vector < NR_VECTORS; ++vector) {
+		struct irq_cfg *cfg;
+
 		irq = per_cpu(vector_irq, cpu)[vector];
 		if (irq < 0)
 			continue;
-		if (!cpu_isset(cpu, irq_cfg[irq].domain))
+
+		cfg = irq_cfg(irq);
+		if (!cpu_isset(cpu, cfg->domain))
 			per_cpu(vector_irq, cpu)[vector] = -1;
 	}
 }
@@ -1029,13 +1139,15 @@ static int setup_ioapic_entry(int apic, int irq,
 static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
 			      int trigger, int polarity)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	struct IO_APIC_route_entry entry;
 	cpumask_t mask;
 
 	if (!IO_APIC_IRQ(irq))
 		return;
 
+	cfg = irq_cfg(irq);
+
 	mask = TARGET_CPUS;
 	if (assign_irq_vector(irq, mask))
 		return;
@@ -1553,7 +1665,7 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
 
 static int ioapic_retrigger_irq(unsigned int irq)
 {
-	struct irq_cfg *cfg = &irq_cfg[irq];
+	struct irq_cfg *cfg = irq_cfg(irq);
 	unsigned long flags;
 
 	spin_lock_irqsave(&vector_lock, flags);
@@ -1600,7 +1712,7 @@ static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration);
  */
 static void migrate_ioapic_irq(int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	struct irq_desc *desc;
 	cpumask_t tmp, cleanup_mask;
 	struct irte irte;
@@ -1618,6 +1730,7 @@ static void migrate_ioapic_irq(int irq, cpumask_t mask)
 	if (assign_irq_vector(irq, mask))
 		return;
 
+	cfg = irq_cfg(irq);
 	cpus_and(tmp, cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);
 
@@ -1735,7 +1848,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
 			continue;
 
 		desc = irq_to_desc(irq);
-		cfg = irq_cfg + irq;
+		cfg = irq_cfg(irq);
 		spin_lock(&desc->lock);
 		if (!cfg->move_cleanup_count)
 			goto unlock;
@@ -1754,7 +1867,7 @@ unlock:
 
 static void irq_complete_move(unsigned int irq)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg = irq_cfg(irq);
 	unsigned vector, me;
 
 	if (likely(!cfg->move_in_progress))
@@ -1891,7 +2004,10 @@ static inline void init_IO_APIC_traps(void)
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
 	for (irq = 0; irq < nr_irqs ; irq++) {
-		if (IO_APIC_IRQ(irq) && !irq_cfg[irq].vector) {
+		struct irq_cfg *cfg;
+
+		cfg = irq_cfg(irq);
+		if (IO_APIC_IRQ(irq) && !cfg->vector) {
 			/*
 			 * Hmm.. We don't have an entry for this,
 			 * so default to an old-fashioned 8259
@@ -2028,7 +2144,7 @@ static inline void __init unlock_ExtINT_logic(void)
  */
 static inline void __init check_timer(void)
 {
-	struct irq_cfg *cfg = irq_cfg + 0;
+	struct irq_cfg *cfg = irq_cfg(0);
 	int apic1, pin1, apic2, pin2;
 	unsigned long flags;
 	int no_pin1 = 0;
@@ -2306,14 +2422,19 @@ int create_irq(void)
 	int irq;
 	int new;
 	unsigned long flags;
+	struct irq_cfg *cfg_new;
 
 	irq = -ENOSPC;
 	spin_lock_irqsave(&vector_lock, flags);
 	for (new = (nr_irqs - 1); new >= 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
-		if (irq_cfg[new].vector != 0)
+		cfg_new = irq_cfg(new);
+		if (cfg_new && cfg_new->vector != 0)
 			continue;
+		/* check if need to create one */
+		if (!cfg_new)
+			cfg_new = irq_cfg_alloc(new);
 		if (__assign_irq_vector(new, TARGET_CPUS) == 0)
 			irq = new;
 		break;
@@ -2346,7 +2467,7 @@ void destroy_irq(unsigned int irq)
 #ifdef CONFIG_PCI_MSI
 static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	int err;
 	unsigned dest;
 	cpumask_t tmp;
@@ -2356,6 +2477,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms
 	if (err)
 		return err;
 
+	cfg = irq_cfg(irq);
 	cpus_and(tmp, cfg->domain, tmp);
 	dest = cpu_mask_to_apicid(tmp);
 
@@ -2413,7 +2535,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms
 #ifdef CONFIG_SMP
 static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	struct msi_msg msg;
 	unsigned int dest;
 	cpumask_t tmp;
@@ -2426,6 +2548,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	if (assign_irq_vector(irq, mask))
 		return;
 
+	cfg = irq_cfg(irq);
 	cpus_and(tmp, cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);
 
@@ -2448,7 +2571,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
  */
 static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	unsigned int dest;
 	cpumask_t tmp, cleanup_mask;
 	struct irte irte;
@@ -2464,6 +2587,7 @@ static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	if (assign_irq_vector(irq, mask))
 		return;
 
+	cfg = irq_cfg(irq);
 	cpus_and(tmp, cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);
 
@@ -2670,7 +2794,7 @@ void arch_teardown_msi_irq(unsigned int irq)
 #ifdef CONFIG_SMP
 static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	struct msi_msg msg;
 	unsigned int dest;
 	cpumask_t tmp;
@@ -2683,6 +2807,7 @@ static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
 	if (assign_irq_vector(irq, mask))
 		return;
 
+	cfg = irq_cfg(irq);
 	cpus_and(tmp, cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);
 
@@ -2749,7 +2874,7 @@ static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector)
 
 static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	unsigned int dest;
 	cpumask_t tmp;
 	struct irq_desc *desc;
@@ -2761,6 +2886,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	if (assign_irq_vector(irq, mask))
 		return;
 
+	cfg = irq_cfg(irq);
 	cpus_and(tmp, cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);
 
@@ -2783,7 +2909,7 @@ static struct irq_chip ht_irq_chip = {
 
 int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 {
-	struct irq_cfg *cfg = irq_cfg + irq;
+	struct irq_cfg *cfg;
 	int err;
 	cpumask_t tmp;
 
@@ -2793,6 +2919,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 		struct ht_irq_msg msg;
 		unsigned dest;
 
+		cfg = irq_cfg(irq);
 		cpus_and(tmp, cfg->domain, tmp);
 		dest = cpu_mask_to_apicid(tmp);
 
@@ -2891,6 +3018,7 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
 void __init setup_ioapic_dest(void)
 {
 	int pin, ioapic, irq, irq_entry;
+	struct irq_cfg *cfg;
 
 	if (skip_ioapic_setup == 1)
 		return;
@@ -2906,7 +3034,8 @@ void __init setup_ioapic_dest(void)
 			 * when you have too many devices, because at that time only boot
 			 * cpu is online.
 			 */
-			if (!irq_cfg[irq].vector)
+			cfg = irq_cfg(irq);
+			if (!cfg->vector)
 				setup_IO_APIC_irq(ioapic, pin, irq,
 						  irq_trigger(irq_entry),
 						  irq_polarity(irq_entry));
-- 
GitLab


From e5a53714acfc7b5f868d07d27c5f02cb00b118db Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:07 -0700
Subject: [PATCH 0650/2224] x86: put irq_2_pin pointer into irq_cfg

preallocate 32 irq_2_pin entries, and use get_one_free_irq_2_pin() to get
one more and link to irq_cfg if needed.

so don't waste one where no irq is enabled.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 161 ++++++++++++++++++++++++++---------
 1 file changed, 120 insertions(+), 41 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 858c37a31a2..51ef7eb75f2 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -58,10 +58,11 @@
 #define __apicdebuginit(type) static type __init
 
 struct irq_cfg;
-
+struct irq_pin_list;
 struct irq_cfg {
 	unsigned int irq;
 	struct irq_cfg *next;
+	struct irq_pin_list *irq_2_pin;
 	cpumask_t domain;
 	cpumask_t old_domain;
 	unsigned move_cleanup_count;
@@ -252,13 +253,66 @@ int pin_map_size;
  * between pins and IRQs.
  */
 
-static struct irq_pin_list {
-	short apic, pin;
-	int next;
-} *irq_2_pin;
+struct irq_pin_list {
+	int apic, pin;
+	struct irq_pin_list *next;
+};
+
+static struct irq_pin_list *irq_2_pin_head;
+/* fill one page ? */
+static int nr_irq_2_pin = 0x100;
+static struct irq_pin_list *irq_2_pin_ptr;
+static void __init irq_2_pin_init_work(void *data)
+{
+	struct dyn_array *da = data;
+	struct irq_pin_list *pin;
+	int i;
+
+	pin = *da->name;
+
+	for (i = 1; i < *da->nr; i++)
+		pin[i-1].next = &pin[i];
+
+	irq_2_pin_ptr = &pin[0];
+}
+DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work);
+
+static struct irq_pin_list *get_one_free_irq_2_pin(void)
+{
+	struct irq_pin_list *pin;
+	int i;
+
+	pin = irq_2_pin_ptr;
+
+	if (pin) {
+		irq_2_pin_ptr = pin->next;
+		pin->next = NULL;
+		return pin;
+	}
+
+	/*
+	 *  we run out of pre-allocate ones, allocate more
+	 */
+	printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin);
+
+	if (after_bootmem)
+		pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin,
+				 GFP_ATOMIC);
+	else
+		pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) *
+				nr_irq_2_pin, PAGE_SIZE, 0);
+
+	if (!pin)
+		panic("can not get more irq_2_pin\n");
 
-DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, sizeof(struct irq_pin_list), NULL);
+	for (i = 1; i < nr_irq_2_pin; i++)
+		pin[i-1].next = &pin[i];
 
+	irq_2_pin_ptr = pin->next;
+	pin->next = NULL;
+
+	return pin;
+}
 
 struct io_apic {
 	unsigned int index;
@@ -300,16 +354,17 @@ static bool io_apic_level_ack_pending(unsigned int irq)
 {
 	struct irq_pin_list *entry;
 	unsigned long flags;
+	struct irq_cfg *cfg = irq_cfg(irq);
 
 	spin_lock_irqsave(&ioapic_lock, flags);
-	entry = irq_2_pin + irq;
+	entry = cfg->irq_2_pin;
 	for (;;) {
 		unsigned int reg;
 		int pin;
 
-		pin = entry->pin;
-		if (pin == -1)
+		if (!entry)
 			break;
+		pin = entry->pin;
 		reg = io_apic_read(entry->apic, 0x10 + pin*2);
 		/* Is the remote IRR bit set? */
 		if (reg & IO_APIC_REDIR_REMOTE_IRR) {
@@ -318,7 +373,7 @@ static bool io_apic_level_ack_pending(unsigned int irq)
 		}
 		if (!entry->next)
 			break;
-		entry = irq_2_pin + entry->next;
+		entry = entry->next;
 	}
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
@@ -339,21 +394,24 @@ static inline void io_apic_sync(unsigned int apic)
 									\
 {									\
 	int pin;							\
-	struct irq_pin_list *entry = irq_2_pin + irq;			\
+	struct irq_cfg *cfg;						\
+	struct irq_pin_list *entry;					\
 									\
 	BUG_ON(irq >= nr_irqs);						\
+	cfg = irq_cfg(irq);						\
+	entry = cfg->irq_2_pin;						\
 	for (;;) {							\
 		unsigned int reg;					\
-		pin = entry->pin;					\
-		if (pin == -1)						\
+		if (!entry)						\
 			break;						\
+		pin = entry->pin;					\
 		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
 		reg ACTION;						\
 		io_apic_modify(entry->apic, reg);			\
 		FINAL;							\
 		if (!entry->next)					\
 			break;						\
-		entry = irq_2_pin + entry->next;			\
+		entry = entry->next;					\
 	}								\
 }
 
@@ -416,15 +474,20 @@ static void ioapic_mask_entry(int apic, int pin)
 static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 {
 	int apic, pin;
-	struct irq_pin_list *entry = irq_2_pin + irq;
+	struct irq_cfg *cfg;
+	struct irq_pin_list *entry;
 
 	BUG_ON(irq >= nr_irqs);
+	cfg = irq_cfg(irq);
+	entry = cfg->irq_2_pin;
 	for (;;) {
 		unsigned int reg;
+
+		if (!entry)
+			break;
+
 		apic = entry->apic;
 		pin = entry->pin;
-		if (pin == -1)
-			break;
 		/*
 		 * With interrupt-remapping, destination information comes
 		 * from interrupt-remapping table entry.
@@ -437,7 +500,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 		io_apic_modify(apic, reg);
 		if (!entry->next)
 			break;
-		entry = irq_2_pin + entry->next;
+		entry = entry->next;
 	}
 }
 
@@ -480,22 +543,35 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 int first_free_entry;
 static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 {
-	struct irq_pin_list *entry = irq_2_pin + irq;
+	struct irq_cfg *cfg;
+	struct irq_pin_list *entry;
 
 	BUG_ON(irq >= nr_irqs);
-	irq_cfg_alloc(irq);
+	/* first time to refer irq_cfg, so with new */
+	cfg = irq_cfg_alloc(irq);
+	entry = cfg->irq_2_pin;
+	if (!entry) {
+		entry = get_one_free_irq_2_pin();
+		cfg->irq_2_pin = entry;
+		entry->apic = apic;
+		entry->pin = pin;
+		printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
+		return;
+	}
 
-	while (entry->next)
-		entry = irq_2_pin + entry->next;
+	while (entry->next) {
+		/* not again, please */
+		if (entry->apic == apic && entry->pin == pin)
+			return;
 
-	if (entry->pin != -1) {
-		entry->next = first_free_entry;
-		entry = irq_2_pin + entry->next;
-		if (++first_free_entry >= pin_map_size)
-			panic("io_apic.c: ran out of irq_2_pin entries!");
+		entry = entry->next;
 	}
+
+	entry->next = get_one_free_irq_2_pin();
+	entry = entry->next;
 	entry->apic = apic;
 	entry->pin = pin;
+	printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
 }
 
 /*
@@ -505,17 +581,24 @@ static void __init replace_pin_at_irq(unsigned int irq,
 				      int oldapic, int oldpin,
 				      int newapic, int newpin)
 {
-	struct irq_pin_list *entry = irq_2_pin + irq;
+	struct irq_cfg *cfg = irq_cfg(irq);
+	struct irq_pin_list *entry = cfg->irq_2_pin;
+	int replaced = 0;
 
-	while (1) {
+	while (entry) {
 		if (entry->apic == oldapic && entry->pin == oldpin) {
 			entry->apic = newapic;
 			entry->pin = newpin;
-		}
-		if (!entry->next)
+			replaced = 1;
+			/* every one is different, right? */
 			break;
-		entry = irq_2_pin + entry->next;
+		}
+		entry = entry->next;
 	}
+
+	/* why? call replace before add? */
+	if (!replaced)
+		add_pin_to_irq(irq, newapic, newpin);
 }
 
 
@@ -1326,15 +1409,16 @@ __apicdebuginit(void) print_IO_APIC(void)
 	}
 	printk(KERN_DEBUG "IRQ to pin mappings:\n");
 	for (i = 0; i < nr_irqs; i++) {
-		struct irq_pin_list *entry = irq_2_pin + i;
-		if (entry->pin < 0)
+		struct irq_cfg *cfg = irq_cfg(i);
+		struct irq_pin_list *entry = cfg->irq_2_pin;
+		if (!entry)
 			continue;
 		printk(KERN_DEBUG "IRQ%d ", i);
 		for (;;) {
 			printk("-> %d:%d", entry->apic, entry->pin);
 			if (!entry->next)
 				break;
-			entry = irq_2_pin + entry->next;
+			entry = entry->next;
 		}
 		printk("\n");
 	}
@@ -1495,14 +1579,9 @@ void __init enable_IO_APIC(void)
 {
 	union IO_APIC_reg_01 reg_01;
 	int i8259_apic, i8259_pin;
-	int i, apic;
+	int apic;
 	unsigned long flags;
 
-	for (i = 0; i < pin_map_size; i++) {
-		irq_2_pin[i].pin = -1;
-		irq_2_pin[i].next = 0;
-	}
-
 	/*
 	 * The number of IO-APIC IRQ registers (== #pins):
 	 */
-- 
GitLab


From 3060d6fe28570640c2d7d66d38b9eaa848c3b9e3 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:08 -0700
Subject: [PATCH 0651/2224] x86: put timer_rand_state pointer into irq_desc

irq_timer_state[] is a NR_IRQS sized array that is a side-by array to
the real irq_desc[] array.

Integrate that field into the (now dynamic) irq_desc dynamic array and
save some RAM.

v2: keep the old way to support arch not support irq_desc

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/char/random.c | 66 +++++++++++++++++++++++++++++++++++++++----
 include/linux/irq.h   |  2 ++
 2 files changed, 63 insertions(+), 5 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 1610aa64c7c..60c9c7ee6b2 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -558,7 +558,7 @@ struct timer_rand_state {
 	unsigned dont_count_entropy:1;
 };
 
-static struct timer_rand_state input_timer_state;
+#ifndef CONFIG_HAVE_SPARSE_IRQ
 
 #ifdef CONFIG_HAVE_DYN_ARRAY
 static struct timer_rand_state **irq_timer_state;
@@ -567,6 +567,51 @@ DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PA
 static struct timer_rand_state *irq_timer_state[NR_IRQS];
 #endif
 
+static struct timer_rand_state *get_timer_rand_state(unsigned int irq)
+{
+	if (irq >= nr_irqs)
+		return NULL;
+
+	return irq_timer_state[irq];
+}
+
+static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
+{
+	if (irq >= nr_irqs)
+		return;
+
+	irq_timer_state[irq] = state;
+}
+
+#else
+
+static struct timer_rand_state *get_timer_rand_state(unsigned int irq)
+{
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+
+	if (!desc)
+		return NULL;
+
+	return desc->timer_rand_state;
+}
+
+static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
+{
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+
+	if (!desc)
+		return;
+
+	desc->timer_rand_state = state;
+}
+#endif
+
+static struct timer_rand_state input_timer_state;
+
 /*
  * This function adds entropy to the entropy "pool" by using timing
  * delays.  It uses the timer_rand_state structure to make an estimate
@@ -654,11 +699,15 @@ EXPORT_SYMBOL_GPL(add_input_randomness);
 
 void add_interrupt_randomness(int irq)
 {
-	if (irq >= nr_irqs || irq_timer_state[irq] == NULL)
+	struct timer_rand_state *state;
+
+	state = get_timer_rand_state(irq);
+
+	if (state == NULL)
 		return;
 
 	DEBUG_ENT("irq event %d\n", irq);
-	add_timer_randomness(irq_timer_state[irq], 0x100 + irq);
+	add_timer_randomness(state, 0x100 + irq);
 }
 
 #ifdef CONFIG_BLOCK
@@ -918,7 +967,14 @@ void rand_initialize_irq(int irq)
 {
 	struct timer_rand_state *state;
 
-	if (irq >= nr_irqs || irq_timer_state[irq])
+#ifndef CONFIG_HAVE_SPARSE_IRQ
+	if (irq >= nr_irqs)
+		return;
+#endif
+
+	state = get_timer_rand_state(irq);
+
+	if (state)
 		return;
 
 	/*
@@ -927,7 +983,7 @@ void rand_initialize_irq(int irq)
 	 */
 	state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
 	if (state)
-		irq_timer_state[irq] = state;
+		set_timer_rand_state(irq, state);
 }
 
 #ifdef CONFIG_BLOCK
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 80b8200f2ad..60c856aaac0 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -127,6 +127,7 @@ struct irq_chip {
 	const char	*typename;
 };
 
+struct timer_rand_state;
 /**
  * struct irq_desc - interrupt descriptor
  *
@@ -155,6 +156,7 @@ struct irq_desc {
 	unsigned int		irq;
 #ifdef CONFIG_HAVE_SPARSE_IRQ
 	struct irq_desc		*next;
+	struct timer_rand_state *timer_rand_state;
 #endif
 	irq_flow_handler_t	handle_irq;
 	struct irq_chip		*chip;
-- 
GitLab


From 7f95ec9e4c12fd067febfd57532da1166d75d858 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:09 -0700
Subject: [PATCH 0652/2224] x86: move kstat_irqs from kstat to irq_desc

based on Eric's patch ...

together mold it with dyn_array for irq_desc, will allcate kstat_irqs for
nr_irq_desc alltogether if needed. -- at that point nr_cpus is known already.

v2: make sure system without generic_hardirqs works they don't have irq_desc
v3: fix merging
v4: [mingo@elte.hu] fix typo

[ mingo@elte.hu ] irq: build fix

fix:

 arch/x86/xen/spinlock.c: In function 'xen_spin_lock_slow':
 arch/x86/xen/spinlock.c:90: error: 'struct kernel_stat' has no member named 'irqs'

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c   |  2 +-
 arch/x86/kernel/irq_32.c       |  4 +-
 arch/x86/kernel/irq_64.c       |  4 +-
 arch/x86/kernel/visws_quirks.c |  2 +-
 arch/x86/xen/spinlock.c        |  2 +-
 fs/proc/proc_misc.c            |  2 +-
 include/linux/irq.h            |  7 +++
 include/linux/kernel_stat.h    | 22 +++++---
 kernel/irq/chip.c              | 15 ++----
 kernel/irq/handle.c            | 97 ++++++++++++++++++++++++----------
 kernel/sched.c                 |  5 +-
 11 files changed, 106 insertions(+), 56 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index c2160cfdec9..204884b1415 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -526,7 +526,7 @@ static void do_irq_balance(void)
 			if (package_index == i)
 				IRQ_DELTA(package_index, j) = 0;
 			/* Determine the total count per processor per IRQ */
-			value_now = (unsigned long) kstat_cpu(i).irqs[j];
+			value_now = (unsigned long) kstat_irqs_cpu(j, i);
 
 			/* Determine the activity per processor per IRQ */
 			delta = value_now - LAST_CPU_IRQ(i, j);
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index ede513be517..576c5df6cad 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -280,7 +280,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		any_count = kstat_irqs(i);
 #else
 		for_each_online_cpu(j)
-			any_count |= kstat_cpu(j).irqs[i];
+			any_count |= kstat_irqs_cpu(i, j);
 #endif
 		action = desc->action;
 		if (!action && !any_count)
@@ -290,7 +290,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_printf(p, "%10u ", kstat_irqs(i));
 #else
 		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+			seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 #endif
 		seq_printf(p, " %8s", desc->chip->name);
 		seq_printf(p, "-%-8s", desc->name);
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 738eb65a924..4a0a4eb44dc 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -90,7 +90,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		any_count = kstat_irqs(i);
 #else
 		for_each_online_cpu(j)
-			any_count |= kstat_cpu(j).irqs[i];
+			any_count |= kstat_irqs_cpu(i, j);
 #endif
 		action = desc->action;
 		if (!action && !any_count)
@@ -100,7 +100,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_printf(p, "%10u ", kstat_irqs(i));
 #else
 		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+			seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 #endif
 		seq_printf(p, " %8s", desc->chip->name);
 		seq_printf(p, "-%-8s", desc->name);
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 9d85ab38443..817aa55a120 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -633,7 +633,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id)
 	/*
 	 * handle this 'virtual interrupt' as a Cobalt one now.
 	 */
-	kstat_cpu(smp_processor_id()).irqs[realirq]++;
+	kstat_irqs_this_cpu(desc)++;
 
 	if (likely(desc->action != NULL))
 		handle_IRQ_event(realirq, desc->action);
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index dd71e3a021c..bb6bc721b13 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -241,7 +241,7 @@ static noinline int xen_spin_lock_slow(struct raw_spinlock *lock, bool irq_enabl
 		ADD_STATS(taken_slow_spurious, !xen_test_irq_pending(irq));
 	} while (!xen_test_irq_pending(irq)); /* check for spurious wakeups */
 
-	kstat_this_cpu.irqs[irq]++;
+	kstat_irqs_this_cpu(irq_to_desc(irq))++;
 
 out:
 	raw_local_irq_restore(flags);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index a2173a2a562..aa069acf61a 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -532,7 +532,7 @@ static int show_stat(struct seq_file *p, void *v)
 		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
 		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
 		for (j = 0; j < nr_irqs; j++) {
-			unsigned int temp = kstat_cpu(i).irqs[j];
+			unsigned int temp = kstat_irqs_cpu(j, i);
 			sum += temp;
 			per_irq_sum[j] += temp;
 		}
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 60c856aaac0..cbf471aee1c 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -157,6 +157,11 @@ struct irq_desc {
 #ifdef CONFIG_HAVE_SPARSE_IRQ
 	struct irq_desc		*next;
 	struct timer_rand_state *timer_rand_state;
+#endif
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned int            *kstat_irqs;
+#else
+	unsigned int            kstat_irqs[NR_CPUS];
 #endif
 	irq_flow_handler_t	handle_irq;
 	struct irq_chip		*chip;
@@ -190,6 +195,8 @@ extern struct irq_desc *irq_to_desc(unsigned int irq);
 /* could be removed if we get rid of all irq_desc reference */
 extern struct irq_desc irq_desc[NR_IRQS];
 #endif
+#define kstat_irqs_this_cpu(DESC) \
+	((DESC)->kstat_irqs[smp_processor_id()])
 
 /*
  * Migration helpers for obsolete names, they will go away:
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index fe1f7fe534b..f10616712de 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,10 +28,8 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
 	struct cpu_usage_stat	cpustat;
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned int *irqs;
-#else
-	unsigned int irqs[NR_IRQS];
+#ifndef CONFIG_GENERIC_HARDIRQS
+       unsigned int irqs[NR_IRQS];
 #endif
 };
 
@@ -43,15 +41,25 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
 
 extern unsigned long long nr_context_switches(void);
 
+#ifndef CONFIG_GENERIC_HARDIRQS
+static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
+{
+       return kstat_cpu(cpu).irqs[irq];
+}
+#else
+extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
+#endif
+
 /*
  * Number of interrupts per specific IRQ source, since bootup
  */
-static inline int kstat_irqs(int irq)
+static inline unsigned int kstat_irqs(unsigned int irq)
 {
-	int cpu, sum = 0;
+	unsigned int sum = 0;
+	int cpu;
 
 	for_each_possible_cpu(cpu)
-		sum += kstat_cpu(cpu).irqs[irq];
+		sum += kstat_irqs_cpu(irq, cpu);
 
 	return sum;
 }
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 76c225cf4b2..2aa3d4b2fce 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -312,14 +312,13 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
 {
 	struct irqaction *action;
 	irqreturn_t action_ret;
-	const unsigned int cpu = smp_processor_id();
 
 	spin_lock(&desc->lock);
 
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto out_unlock;
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-	kstat_cpu(cpu).irqs[irq]++;
+	kstat_irqs_this_cpu(desc)++;
 
 	action = desc->action;
 	if (unlikely(!action || (desc->status & IRQ_DISABLED)))
@@ -351,7 +350,6 @@ out_unlock:
 void
 handle_level_irq(unsigned int irq, struct irq_desc *desc)
 {
-	unsigned int cpu = smp_processor_id();
 	struct irqaction *action;
 	irqreturn_t action_ret;
 
@@ -361,7 +359,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto out_unlock;
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-	kstat_cpu(cpu).irqs[irq]++;
+	kstat_irqs_this_cpu(desc)++;
 
 	/*
 	 * If its disabled or no action available
@@ -399,7 +397,6 @@ out_unlock:
 void
 handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 {
-	unsigned int cpu = smp_processor_id();
 	struct irqaction *action;
 	irqreturn_t action_ret;
 
@@ -409,7 +406,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 		goto out;
 
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-	kstat_cpu(cpu).irqs[irq]++;
+	kstat_irqs_this_cpu(desc)++;
 
 	/*
 	 * If its disabled or no action available
@@ -458,8 +455,6 @@ out:
 void
 handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 {
-	const unsigned int cpu = smp_processor_id();
-
 	spin_lock(&desc->lock);
 
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
@@ -476,7 +471,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 		goto out_unlock;
 	}
 
-	kstat_cpu(cpu).irqs[irq]++;
+	kstat_irqs_this_cpu(desc)++;
 
 	/* Start handling the irq */
 	desc->chip->ack(irq);
@@ -531,7 +526,7 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
 {
 	irqreturn_t action_ret;
 
-	kstat_this_cpu.irqs[irq]++;
+	kstat_irqs_this_cpu(desc)++;
 
 	if (desc->chip->ack)
 		desc->chip->ack(irq);
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 9fc33b3378e..1f346990f3f 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -37,7 +37,7 @@ void
 handle_bad_irq(unsigned int irq, struct irq_desc *desc)
 {
 	print_irq_desc(irq, desc);
-	kstat_this_cpu.irqs[irq]++;
+	kstat_irqs_this_cpu(desc)++;
 	ack_bad_irq(irq);
 }
 
@@ -80,17 +80,38 @@ static void init_one_irq_desc(struct irq_desc *desc)
 #endif
 }
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-static int nr_irq_desc = 32;
+extern int after_bootmem;
+extern void *__alloc_bootmem_nopanic(unsigned long size,
+			     unsigned long align,
+			     unsigned long goal);
 
-static int __init parse_nr_irq_desc(char *arg)
+static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
 {
-	if (arg)
-		nr_irq_desc = simple_strtoul(arg, NULL, 0);
-	return 0;
+	unsigned long bytes, total_bytes;
+	char *ptr;
+	int i;
+	unsigned long phys;
+
+	/* Compute how many bytes we need per irq and allocate them */
+	bytes = nr * sizeof(unsigned int);
+	total_bytes = bytes * nr_desc;
+	if (after_bootmem)
+		ptr = kzalloc(total_bytes, GFP_ATOMIC);
+	else
+		ptr = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
+
+	if (!ptr)
+		panic(" can not allocate kstat_irqs\n");
+
+	phys = __pa(ptr);
+	printk(KERN_DEBUG "kstat_irqs ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
+
+	for (i = 0; i < nr_desc; i++) {
+		desc[i].kstat_irqs = (unsigned int *)ptr;
+		ptr += bytes;
+	}
 }
 
-early_param("nr_irq_desc", parse_nr_irq_desc);
 
 static void __init init_work(void *data)
 {
@@ -100,25 +121,44 @@ static void __init init_work(void *data)
 
 	desc = *da->name;
 
-	for (i = 0; i < *da->nr; i++)
+	for (i = 0; i < *da->nr; i++) {
 		init_one_irq_desc(&desc[i]);
+#ifndef CONFIG_HAVE_SPARSE_IRQ
+		desc[i].irq = i;
+#endif
+	}
 
+#ifdef CONFIG_HAVE_SPARSE_IRQ
 	for (i = 1; i < *da->nr; i++)
 		desc[i-1].next = &desc[i];
+#endif
+
+	/* init kstat_irqs, nr_cpu_ids is ready already */
+	init_kstat_irqs(desc, *da->nr, nr_cpu_ids);
 }
 
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+static int nr_irq_desc = 32;
+
+static int __init parse_nr_irq_desc(char *arg)
+{
+	if (arg)
+		nr_irq_desc = simple_strtoul(arg, NULL, 0);
+	return 0;
+}
+
+early_param("nr_irq_desc", parse_nr_irq_desc);
+
 static struct irq_desc *sparse_irqs;
 DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work);
 
-extern int after_bootmem;
-extern void *__alloc_bootmem_nopanic(unsigned long size,
-			     unsigned long align,
-			     unsigned long goal);
 struct irq_desc *irq_to_desc(unsigned int irq)
 {
 	struct irq_desc *desc, *desc_pri;
 	int i;
 	int count = 0;
+	unsigned long phys;
+	unsigned long total_bytes;
 
 	BUG_ON(irq == -1U);
 
@@ -141,38 +181,34 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 	 */
 	printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc);
 
+	total_bytes = sizeof(struct irq_desc) * nr_irq_desc;
 	if (after_bootmem)
-		desc = kzalloc(sizeof(struct irq_desc)*nr_irq_desc, GFP_ATOMIC);
+		desc = kzalloc(total_bytes, GFP_ATOMIC);
 	else
-		desc = __alloc_bootmem_nopanic(sizeof(struct irq_desc)*nr_irq_desc, PAGE_SIZE, 0);
+		desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
 
 	if (!desc)
 		panic("please boot with nr_irq_desc= %d\n", count * 2);
 
+	phys = __pa(desc);
+	printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
+
 	for (i = 0; i < nr_irq_desc; i++)
 		init_one_irq_desc(&desc[i]);
 
 	for (i = 1; i < nr_irq_desc; i++)
 		desc[i-1].next = &desc[i];
 
+	/* init kstat_irqs, nr_cpu_ids is ready already */
+	init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids);
+
 	desc->irq = irq;
 	desc_pri->next = desc;
 
 	return desc;
 }
 #else
-static void __init init_work(void *data)
-{
-	struct dyn_array *da = data;
-	int i;
-	struct  irq_desc *desc;
-
-	desc = *da->name;
 
-	for (i = 0; i < *da->nr; i++)
-		init_one_irq_desc(&desc[i]);
-
-}
 static struct irq_desc *irq_desc;
 DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);
 
@@ -315,7 +351,7 @@ unsigned int __do_IRQ(unsigned int irq)
 	struct irqaction *action;
 	unsigned int status;
 
-	kstat_this_cpu.irqs[irq]++;
+	kstat_irqs_this_cpu(desc)++;
 	if (CHECK_IRQ_PER_CPU(desc->status)) {
 		irqreturn_t action_ret;
 
@@ -415,3 +451,10 @@ void early_init_irq_lock_class(void)
 }
 #endif
 
+unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
+{
+	struct irq_desc *desc = irq_to_desc(irq);
+	return desc->kstat_irqs[cpu];
+}
+EXPORT_SYMBOL(kstat_irqs_cpu);
+
diff --git a/kernel/sched.c b/kernel/sched.c
index b9d713781b5..6f230596bd0 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4048,11 +4048,8 @@ static inline void idle_balance(int cpu, struct rq *rq)
 #endif
 
 DEFINE_PER_CPU(struct kernel_stat, kstat);
-EXPORT_PER_CPU_SYMBOL(kstat);
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-DEFINE_PER_CPU_DYN_ARRAY_ADDR(per_cpu__kstat_irqs, per_cpu__kstat.irqs, sizeof(unsigned int), nr_irqs, sizeof(unsigned long), NULL);
-#endif
+EXPORT_PER_CPU_SYMBOL(kstat);
 
 /*
  * Return p->sum_exec_runtime plus any more ns on the sched_clock
-- 
GitLab


From 9059d8fa4a3a9153da53da890039f7f956cc9d19 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:10 -0700
Subject: [PATCH 0653/2224] irq: add irq_desc_without_new

add an irq_desc accessor that will not allocate any sparse entry
but returns failure if there's no entry present.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/irq.h | 13 +++++++++++++
 kernel/irq/handle.c | 28 ++++++++++++++++++++++++----
 2 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index cbf471aee1c..c9ffef7c3b4 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -191,10 +191,23 @@ struct irq_desc {
 } ____cacheline_internodealigned_in_smp;
 
 extern struct irq_desc *irq_to_desc(unsigned int irq);
+extern struct irq_desc *__irq_to_desc(unsigned int irq);
+
+#ifndef CONFIG_HAVE_SPARSE_IRQ
+
 #ifndef CONFIG_HAVE_DYN_ARRAY
 /* could be removed if we get rid of all irq_desc reference */
 extern struct irq_desc irq_desc[NR_IRQS];
+#else
+extern struct irq_desc *irq_desc;
 #endif
+
+#else
+
+extern struct irq_desc *sparse_irqs;
+
+#endif
+
 #define kstat_irqs_this_cpu(DESC) \
 	((DESC)->kstat_irqs[smp_processor_id()])
 
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 1f346990f3f..8e55dbe50af 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -112,7 +112,6 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
 	}
 }
 
-
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
@@ -149,9 +148,27 @@ static int __init parse_nr_irq_desc(char *arg)
 
 early_param("nr_irq_desc", parse_nr_irq_desc);
 
-static struct irq_desc *sparse_irqs;
+struct irq_desc *sparse_irqs;
 DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work);
 
+struct irq_desc *__irq_to_desc(unsigned int irq)
+{
+	struct irq_desc *desc;
+
+	BUG_ON(irq == -1U);
+
+	desc = &sparse_irqs[0];
+	while (desc) {
+		if (desc->irq == irq)
+			return desc;
+
+		if (desc->irq == -1U)
+			return NULL;
+
+		desc = desc->next;
+	}
+	return NULL;
+}
 struct irq_desc *irq_to_desc(unsigned int irq)
 {
 	struct irq_desc *desc, *desc_pri;
@@ -208,8 +225,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 	return desc;
 }
 #else
-
-static struct irq_desc *irq_desc;
+struct irq_desc *irq_desc;
 DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);
 
 #endif
@@ -239,6 +255,10 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 
 	return NULL;
 }
+struct irq_desc *__irq_to_desc(unsigned int irq)
+{
+	return irq_to_desc(irq);
+}
 #endif
 
 /*
-- 
GitLab


From 2c6927a38f65b53b62f86158fba29a068c4e8b6a Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:11 -0700
Subject: [PATCH 0654/2224] irq: replace loop with nr_irqs with
 for_each_irq_desc

There are a handful of loops that go from 0 to nr_irqs and use
get_irq_desc() on them. These would allocate all the irq_desc
entries, regardless of the need for them.

Use the smarter for_each_irq_desc() iterator that will only iterate
over the present ones.

v2: make sure arch without GENERIC_HARDIRQS work too

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c |  6 +++---
 arch/x86/kernel/irq_64.c     |  5 ++---
 arch/x86/kernel/irqinit_64.c | 17 +++++------------
 include/linux/irq.h          |  7 +++++++
 kernel/irq/internals.h       |  4 ++--
 kernel/irq/manage.c          |  2 +-
 kernel/irq/proc.c            | 10 +++++-----
 7 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 51ef7eb75f2..708be9724da 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -1871,10 +1871,10 @@ unmask:
 
 static void ir_irq_migration(struct work_struct *work)
 {
-	int irq;
+	unsigned int irq;
+	struct irq_desc *desc;
 
-	for (irq = 0; irq < nr_irqs; irq++) {
-		struct irq_desc *desc = irq_to_desc(irq);
+	for_each_irq_desc(irq, desc) {
 		if (desc->status & IRQ_MOVE_PENDING) {
 			unsigned long flags;
 
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 4a0a4eb44dc..b3cf55e325f 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -224,17 +224,16 @@ void fixup_irqs(cpumask_t map)
 {
 	unsigned int irq;
 	static int warned;
+	struct irq_desc *desc;
 
-	for (irq = 0; irq < nr_irqs; irq++) {
+	for_each_irq_desc(irq, desc) {
 		cpumask_t mask;
 		int break_affinity = 0;
 		int set_affinity = 1;
-		struct irq_desc *desc;
 
 		if (irq == 2)
 			continue;
 
-		desc = irq_to_desc(irq);
 		/* interrupt's are disabled at this point */
 		spin_lock(&desc->lock);
 
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
index 0744b49b4d1..cd9f42d028d 100644
--- a/arch/x86/kernel/irqinit_64.c
+++ b/arch/x86/kernel/irqinit_64.c
@@ -142,25 +142,18 @@ void __init init_ISA_irqs(void)
 	init_bsp_APIC();
 	init_8259A(0);
 
-	for (i = 0; i < nr_irqs; i++) {
+	for (i = 0; i < 16; i++) {
 		struct irq_desc *desc = irq_to_desc(i);
 
 		desc->status = IRQ_DISABLED;
 		desc->action = NULL;
 		desc->depth = 1;
 
-		if (i < 16) {
-			/*
-			 * 16 old-style INTA-cycle interrupts:
-			 */
-			set_irq_chip_and_handler_name(i, &i8259A_chip,
+		/*
+		 * 16 old-style INTA-cycle interrupts:
+		 */
+		set_irq_chip_and_handler_name(i, &i8259A_chip,
 						      handle_level_irq, "XT");
-		} else {
-			/*
-			 * 'high' PCI IRQs filled in on demand
-			 */
-			desc->chip = &no_irq_chip;
-		}
 	}
 }
 
diff --git a/include/linux/irq.h b/include/linux/irq.h
index c9ffef7c3b4..9de16ca8b8e 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -202,9 +202,16 @@ extern struct irq_desc irq_desc[NR_IRQS];
 extern struct irq_desc *irq_desc;
 #endif
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+#define for_each_irq_desc(irq, desc)		\
+	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc = &irq_desc[irq])
+#endif
+
 #else
 
 extern struct irq_desc *sparse_irqs;
+#define for_each_irq_desc(irqX, desc)		\
+	for (desc = sparse_irqs, irqX = desc->irq; desc && irqX != -1U; desc = desc->next, irqX = desc ? desc->irq : -1U)
 
 #endif
 
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 422dd00c8bd..c9767e64198 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -14,11 +14,11 @@ extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
 		unsigned long flags);
 
 #ifdef CONFIG_PROC_FS
-extern void register_irq_proc(unsigned int irq);
+extern void register_irq_proc(unsigned int irq, struct irq_desc *desc);
 extern void register_handler_proc(unsigned int irq, struct irqaction *action);
 extern void unregister_handler_proc(unsigned int irq, struct irqaction *action);
 #else
-static inline void register_irq_proc(unsigned int irq) { }
+static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { }
 static inline void register_handler_proc(unsigned int irq,
 					 struct irqaction *action) { }
 static inline void unregister_handler_proc(unsigned int irq,
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index b5943e9f95a..5070f55fdc1 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -478,7 +478,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 	spin_unlock_irqrestore(&desc->lock, flags);
 
 	new->irq = irq;
-	register_irq_proc(irq);
+	register_irq_proc(irq, desc);
 	new->dir = NULL;
 	register_handler_proc(irq, new);
 
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index c2f356c808f..bc0993d86c8 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -182,11 +182,10 @@ void register_handler_proc(unsigned int irq, struct irqaction *action)
 
 #define MAX_NAMELEN 10
 
-void register_irq_proc(unsigned int irq)
+void register_irq_proc(unsigned int irq, struct irq_desc *desc)
 {
 	char name [MAX_NAMELEN];
 	struct proc_dir_entry *entry;
-	struct irq_desc *desc = irq_to_desc(irq);
 
 	if (!root_irq_dir || (desc->chip == &no_irq_chip) || desc->dir)
 		return;
@@ -230,7 +229,8 @@ void register_default_affinity_proc(void)
 
 void init_irq_proc(void)
 {
-	int i;
+	unsigned int irq;
+	struct irq_desc *desc;
 
 	/* create /proc/irq */
 	root_irq_dir = proc_mkdir("irq", NULL);
@@ -242,7 +242,7 @@ void init_irq_proc(void)
 	/*
 	 * Create entries for all existing IRQs.
 	 */
-	for (i = 0; i < nr_irqs; i++)
-		register_irq_proc(i);
+	for_each_irq_desc(irq, desc)
+		register_irq_proc(irq, desc);
 }
 
-- 
GitLab


From c7fb03a475bd80c642c1345d85c7c550f63514b8 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:12 -0700
Subject: [PATCH 0655/2224] irq, fs/proc: replace loop with nr_irqs for
 proc/stat

Replace another nr_irqs loop to avoid the allocation of all sparse
irq entries - use for_each_irq_desc instead.

v2: make sure arch without GENERIC_HARDIRQS works too

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 fs/proc/proc_misc.c       | 42 ++++++++++++++++++++++++++-------------
 include/linux/interrupt.h |  5 +++++
 2 files changed, 33 insertions(+), 14 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index aa069acf61a..c3cbabe8b38 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -30,6 +30,7 @@
 #include <linux/mm.h>
 #include <linux/mmzone.h>
 #include <linux/pagemap.h>
+#include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/swap.h>
 #include <linux/slab.h>
@@ -501,17 +502,16 @@ static const struct file_operations proc_vmalloc_operations = {
 
 static int show_stat(struct seq_file *p, void *v)
 {
-	int i;
+	int i, j;
 	unsigned long jif;
 	cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
 	cputime64_t guest;
 	u64 sum = 0;
 	struct timespec boottime;
-	unsigned int *per_irq_sum;
-
-	per_irq_sum = kzalloc(sizeof(unsigned int)*nr_irqs, GFP_KERNEL);
-	if (!per_irq_sum)
-		return -ENOMEM;
+	unsigned int per_irq_sum;
+#ifdef CONFIG_GENERIC_HARDIRQS
+	struct irq_desc *desc;
+#endif
 
 	user = nice = system = idle = iowait =
 		irq = softirq = steal = cputime64_zero;
@@ -520,8 +520,6 @@ static int show_stat(struct seq_file *p, void *v)
 	jif = boottime.tv_sec;
 
 	for_each_possible_cpu(i) {
-		int j;
-
 		user = cputime64_add(user, kstat_cpu(i).cpustat.user);
 		nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
 		system = cputime64_add(system, kstat_cpu(i).cpustat.system);
@@ -531,10 +529,12 @@ static int show_stat(struct seq_file *p, void *v)
 		softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
 		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
 		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
-		for (j = 0; j < nr_irqs; j++) {
-			unsigned int temp = kstat_irqs_cpu(j, i);
+		for_each_irq_desc(j, desc)
+		{
+			unsigned int temp;
+
+			temp = kstat_irqs_cpu(j, i);
 			sum += temp;
-			per_irq_sum[j] += temp;
 		}
 		sum += arch_irq_stat_cpu(i);
 	}
@@ -577,8 +577,23 @@ static int show_stat(struct seq_file *p, void *v)
 	}
 	seq_printf(p, "intr %llu", (unsigned long long)sum);
 
-	for (i = 0; i < nr_irqs; i++)
-		seq_printf(p, " %u", per_irq_sum[i]);
+	/* sum again ? it could be updated? */
+	for_each_irq_desc(j, desc)
+	{
+		per_irq_sum = 0;
+		for_each_possible_cpu(i) {
+			unsigned int temp;
+
+			temp = kstat_irqs_cpu(j, i);
+			per_irq_sum += temp;
+		}
+
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+		seq_printf(p, " %u:%u", j, per_irq_sum);
+#else
+		seq_printf(p, " %u", per_irq_sum);
+#endif
+	}
 
 	seq_printf(p,
 		"\nctxt %llu\n"
@@ -592,7 +607,6 @@ static int show_stat(struct seq_file *p, void *v)
 		nr_running(),
 		nr_iowait());
 
-	kfree(per_irq_sum);
 	return 0;
 }
 
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 511803853a5..d4039a0b23f 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -17,6 +17,11 @@
 
 extern int nr_irqs;
 
+#ifndef CONFIG_GENERIC_HARDIRQS
+#define for_each_irq_desc(irq, desc)		\
+	for (irq = 0; irq < nr_irqs; irq++)
+#endif
+
 /*
  * These correspond to the IORESOURCE_IRQ_* defines in
  * linux/ioport.h to select the interrupt line behaviour.  When
-- 
GitLab


From 46b8214d12c274bd4265aae482ab7ffe69d94818 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:13 -0700
Subject: [PATCH 0656/2224] x86, ioapic: replace loop with nr_irqs with
 for_each_irq_icfg

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 708be9724da..60d60061659 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -129,6 +129,9 @@ static void __init init_work(void *data)
 		cfg[i-1].next = &cfg[i];
 }
 
+#define for_each_irq_cfg(cfg)		\
+	for (cfg = irq_cfgx; cfg && cfg->irq != -1U; cfg = cfg->next)
+
 static struct irq_cfg *irq_cfgx;
 DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
 
@@ -1097,20 +1100,18 @@ void __setup_vector_irq(int cpu)
 	/* Initialize vector_irq on a new cpu */
 	/* This function must be called with vector_lock held */
 	int irq, vector;
+	struct irq_cfg *cfg;
 
 	/* Mark the inuse vectors */
-	for (irq = 0; irq < nr_irqs; ++irq) {
-		struct irq_cfg *cfg = irq_cfg(irq);
-
+	for_each_irq_cfg(cfg) {
 		if (!cpu_isset(cpu, cfg->domain))
 			continue;
 		vector = cfg->vector;
+		irq = cfg->irq;
 		per_cpu(vector_irq, cpu)[vector] = irq;
 	}
 	/* Mark the free vectors */
 	for (vector = 0; vector < NR_VECTORS; ++vector) {
-		struct irq_cfg *cfg;
-
 		irq = per_cpu(vector_irq, cpu)[vector];
 		if (irq < 0)
 			continue;
@@ -1340,6 +1341,7 @@ __apicdebuginit(void) print_IO_APIC(void)
 	union IO_APIC_reg_01 reg_01;
 	union IO_APIC_reg_02 reg_02;
 	unsigned long flags;
+	struct irq_cfg *cfg;
 
 	if (apic_verbosity == APIC_QUIET)
 		return;
@@ -1408,12 +1410,11 @@ __apicdebuginit(void) print_IO_APIC(void)
 	}
 	}
 	printk(KERN_DEBUG "IRQ to pin mappings:\n");
-	for (i = 0; i < nr_irqs; i++) {
-		struct irq_cfg *cfg = irq_cfg(i);
+	for_each_irq_cfg(cfg) {
 		struct irq_pin_list *entry = cfg->irq_2_pin;
 		if (!entry)
 			continue;
-		printk(KERN_DEBUG "IRQ%d ", i);
+		printk(KERN_DEBUG "IRQ%d ", cfg->irq);
 		for (;;) {
 			printk("-> %d:%d", entry->apic, entry->pin);
 			if (!entry->next)
@@ -2070,6 +2071,7 @@ static inline void init_IO_APIC_traps(void)
 {
 	int irq;
 	struct irq_desc *desc;
+	struct irq_cfg *cfg;
 
 	/*
 	 * NOTE! The local APIC isn't very good at handling
@@ -2082,10 +2084,8 @@ static inline void init_IO_APIC_traps(void)
 	 * Also, we've got to be careful not to trash gate
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
-	for (irq = 0; irq < nr_irqs ; irq++) {
-		struct irq_cfg *cfg;
-
-		cfg = irq_cfg(irq);
+	for_each_irq_cfg(cfg) {
+		irq = cfg->irq;
 		if (IO_APIC_IRQ(irq) && !cfg->vector) {
 			/*
 			 * Hmm.. We don't have an entry for this,
-- 
GitLab


From 7d94f7ca401dd7f445fda9a971a48aa5427b3e55 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:14 -0700
Subject: [PATCH 0657/2224] irq: remove >= nr_irqs checking with
 config_have_sparse_irq

remove irq limit checks - nr_irqs is dynamic and we expand anytime.

v2: fix checking about result irq_cfg_without_new, so could use msi again
v3: use irq_desc_without_new to check irq is valid

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c |  9 -------
 arch/x86/kernel/irq_64.c     |  2 +-
 kernel/irq/chip.c            | 49 ++++++++++++++++++++----------------
 kernel/irq/manage.c          | 43 +++++++++++++++++++------------
 4 files changed, 55 insertions(+), 48 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 60d60061659..1b8cccb5ba2 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -400,7 +400,6 @@ static inline void io_apic_sync(unsigned int apic)
 	struct irq_cfg *cfg;						\
 	struct irq_pin_list *entry;					\
 									\
-	BUG_ON(irq >= nr_irqs);						\
 	cfg = irq_cfg(irq);						\
 	entry = cfg->irq_2_pin;						\
 	for (;;) {							\
@@ -480,7 +479,6 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 	struct irq_cfg *cfg;
 	struct irq_pin_list *entry;
 
-	BUG_ON(irq >= nr_irqs);
 	cfg = irq_cfg(irq);
 	entry = cfg->irq_2_pin;
 	for (;;) {
@@ -549,7 +547,6 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 	struct irq_cfg *cfg;
 	struct irq_pin_list *entry;
 
-	BUG_ON(irq >= nr_irqs);
 	/* first time to refer irq_cfg, so with new */
 	cfg = irq_cfg_alloc(irq);
 	entry = cfg->irq_2_pin;
@@ -841,7 +838,6 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 				best_guess = irq;
 		}
 	}
-	BUG_ON(best_guess >= nr_irqs);
 	return best_guess;
 }
 
@@ -973,7 +969,6 @@ static int pin_2_irq(int idx, int apic, int pin)
 			irq += nr_ioapic_registers[i++];
 		irq += pin;
 	}
-	BUG_ON(irq >= nr_irqs);
 	return irq;
 }
 
@@ -1008,7 +1003,6 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 	int cpu;
 	struct irq_cfg *cfg;
 
-	BUG_ON((unsigned)irq >= nr_irqs);
 	cfg = irq_cfg(irq);
 
 	/* Only try and allocate irqs on cpus that are present */
@@ -1082,7 +1076,6 @@ static void __clear_irq_vector(int irq)
 	cpumask_t mask;
 	int cpu, vector;
 
-	BUG_ON((unsigned)irq >= nr_irqs);
 	cfg = irq_cfg(irq);
 	BUG_ON(!cfg->vector);
 
@@ -1924,8 +1917,6 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
 		struct irq_desc *desc;
 		struct irq_cfg *cfg;
 		irq = __get_cpu_var(vector_irq)[vector];
-		if (irq >= nr_irqs)
-			continue;
 
 		desc = irq_to_desc(irq);
 		cfg = irq_cfg(irq);
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index b3cf55e325f..a3e36336d91 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -202,7 +202,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 	stack_overflow_check(regs);
 #endif
 
-	if (likely(irq < nr_irqs))
+	if (likely(__irq_to_desc(irq)))
 		generic_handle_irq(irq);
 	else {
 		if (!disable_apic)
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 2aa3d4b2fce..a4bb0da9c88 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -27,13 +27,13 @@ void dynamic_irq_init(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = irq_to_desc(irq);
+	if (!desc) {
 		WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq);
 		return;
 	}
 
 	/* Ensure we don't have left over values from a previous use of this irq */
-	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->status = IRQ_DISABLED;
 	desc->chip = &no_irq_chip;
@@ -60,12 +60,12 @@ void dynamic_irq_cleanup(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq);
 		return;
 	}
 
-	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	if (desc->action) {
 		spin_unlock_irqrestore(&desc->lock, flags);
@@ -92,7 +92,8 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq);
 		return -EINVAL;
 	}
@@ -121,12 +122,12 @@ int set_irq_type(unsigned int irq, unsigned int type)
 	unsigned long flags;
 	int ret = -ENXIO;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq);
 		return -ENODEV;
 	}
 
-	desc = irq_to_desc(irq);
 	if (type == IRQ_TYPE_NONE)
 		return 0;
 
@@ -149,13 +150,13 @@ int set_irq_data(unsigned int irq, void *data)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install controller data for IRQ%d\n", irq);
 		return -EINVAL;
 	}
 
-	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->handler_data = data;
 	spin_unlock_irqrestore(&desc->lock, flags);
@@ -175,12 +176,13 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install msi data for IRQ%d\n", irq);
 		return -EINVAL;
 	}
-	desc = irq_to_desc(irq);
+
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->msi_desc = entry;
 	if (entry)
@@ -201,8 +203,14 @@ int set_irq_chip_data(unsigned int irq, void *data)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
-	if (irq >= nr_irqs || !desc->chip) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
+		printk(KERN_ERR
+		       "Trying to install chip data for IRQ%d\n", irq);
+		return -EINVAL;
+	}
+
+	if (!desc->chip) {
 		printk(KERN_ERR "BUG: bad set_irq_chip_data(IRQ#%d)\n", irq);
 		return -EINVAL;
 	}
@@ -546,14 +554,13 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install type control for IRQ%d\n", irq);
 		return;
 	}
 
-	desc = irq_to_desc(irq);
-
 	if (!handle)
 		handle = handle_bad_irq;
 	else if (desc->chip == &no_irq_chip) {
@@ -611,14 +618,13 @@ void __init set_irq_noprobe(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq);
 
 		return;
 	}
 
-	desc = irq_to_desc(irq);
-
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->status |= IRQ_NOPROBE;
 	spin_unlock_irqrestore(&desc->lock, flags);
@@ -629,14 +635,13 @@ void __init set_irq_probe(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs) {
+	desc = __irq_to_desc(irq);
+	if (!desc) {
 		printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq);
 
 		return;
 	}
 
-	desc = irq_to_desc(irq);
-
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->status &= ~IRQ_NOPROBE;
 	spin_unlock_irqrestore(&desc->lock, flags);
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 5070f55fdc1..c0b4d4df6de 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -31,10 +31,10 @@ cpumask_t irq_default_affinity = CPU_MASK_ALL;
  */
 void synchronize_irq(unsigned int irq)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_desc *desc = __irq_to_desc(irq);
 	unsigned int status;
 
-	if (irq >= nr_irqs)
+	if (!desc)
 		return;
 
 	do {
@@ -142,10 +142,11 @@ int irq_select_affinity(unsigned int irq)
  */
 void disable_irq_nosync(unsigned int irq)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs)
+	desc = __irq_to_desc(irq);
+	if (!desc)
 		return;
 
 	spin_lock_irqsave(&desc->lock, flags);
@@ -171,9 +172,10 @@ EXPORT_SYMBOL(disable_irq_nosync);
  */
 void disable_irq(unsigned int irq)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_desc *desc;
 
-	if (irq >= nr_irqs)
+	desc = __irq_to_desc(irq);
+	if (!desc)
 		return;
 
 	disable_irq_nosync(irq);
@@ -213,10 +215,11 @@ static void __enable_irq(struct irq_desc *desc, unsigned int irq)
  */
 void enable_irq(unsigned int irq)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_desc *desc;
 	unsigned long flags;
 
-	if (irq >= nr_irqs)
+	desc = __irq_to_desc(irq);
+	if (!desc)
 		return;
 
 	spin_lock_irqsave(&desc->lock, flags);
@@ -290,10 +293,14 @@ EXPORT_SYMBOL(set_irq_wake);
  */
 int can_request_irq(unsigned int irq, unsigned long irqflags)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_desc *desc;
 	struct irqaction *action;
 
-	if (irq >= nr_irqs || desc->status & IRQ_NOREQUEST)
+	desc = __irq_to_desc(irq);
+	if (!desc)
+		return 0;
+
+	if (desc->status & IRQ_NOREQUEST)
 		return 0;
 
 	action = desc->action;
@@ -352,14 +359,15 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
  */
 int setup_irq(unsigned int irq, struct irqaction *new)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_desc *desc;
 	struct irqaction *old, **p;
 	const char *old_name = NULL;
 	unsigned long flags;
 	int shared = 0;
 	int ret;
 
-	if (irq >= nr_irqs)
+	desc = __irq_to_desc(irq);
+	if (!desc)
 		return -EINVAL;
 
 	if (desc->chip == &no_irq_chip)
@@ -518,10 +526,11 @@ void free_irq(unsigned int irq, void *dev_id)
 	unsigned long flags;
 
 	WARN_ON(in_interrupt());
-	if (irq >= nr_irqs)
+
+	desc = __irq_to_desc(irq);
+	if (!desc)
 		return;
 
-	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	p = &desc->action;
 	for (;;) {
@@ -634,9 +643,11 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 	 */
 	if ((irqflags & IRQF_SHARED) && !dev_id)
 		return -EINVAL;
-	if (irq >= nr_irqs)
+
+	desc = __irq_to_desc(irq);
+	if (!desc)
 		return -EINVAL;
-	desc = irq_to_desc(irq);
+
 	if (desc->status & IRQ_NOREQUEST)
 		return -EINVAL;
 	if (!handler)
-- 
GitLab


From 46926b67fc663d357a1a8174328998a9e49da0b8 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:15 -0700
Subject: [PATCH 0658/2224] generic: add irq_desc in function in parameter

So we could remove some duplicated calling to irq_desc

v2: make sure irq_desc in  init/main.c is not used without generic_hardirqs

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/irq_64.c |  6 ++++--
 include/linux/irq.h      |  9 ++++++---
 init/main.c              |  7 +++++++
 kernel/irq/handle.c      | 30 ++++++++++++++++++++++++++++++
 4 files changed, 47 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index a3e36336d91..f58b995b30e 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -189,6 +189,7 @@ u64 arch_irq_stat(void)
 asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);
+	struct irq_desc *desc;
 
 	/* high bit used in ret_from_ code  */
 	unsigned vector = ~regs->orig_ax;
@@ -202,8 +203,9 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 	stack_overflow_check(regs);
 #endif
 
-	if (likely(__irq_to_desc(irq)))
-		generic_handle_irq(irq);
+	desc = __irq_to_desc(irq);
+	if (likely(desc))
+		generic_handle_irq_desc(irq, desc);
 	else {
 		if (!disable_apic)
 			ack_APIC_irq();
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 9de16ca8b8e..7b59e193a11 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -315,10 +315,8 @@ extern unsigned int __do_IRQ(unsigned int irq);
  * irqchip-style controller then we call the ->handle_irq() handler,
  * and it calls __do_IRQ() if it's attached to an irqtype-style controller.
  */
-static inline void generic_handle_irq(unsigned int irq)
+static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc)
 {
-	struct irq_desc *desc = irq_to_desc(irq);
-
 #ifdef CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
 	desc->handle_irq(irq, desc);
 #else
@@ -329,6 +327,11 @@ static inline void generic_handle_irq(unsigned int irq)
 #endif
 }
 
+static inline void generic_handle_irq(unsigned int irq)
+{
+	generic_handle_irq_desc(irq, irq_to_desc(irq));
+}
+
 /* Handling of unhandled and spurious interrupts: */
 extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
 			   int action_ret);
diff --git a/init/main.c b/init/main.c
index ab97d0877ac..0d2e60144f8 100644
--- a/init/main.c
+++ b/init/main.c
@@ -590,6 +590,13 @@ void pre_alloc_dyn_array(void)
 		if (da->init_work)
 			da->init_work(da);
 	}
+#else
+#ifdef CONFIF_GENERIC_HARDIRQS
+	unsigned int i;
+
+	for (i = 0; i < NR_IRQS; i++)
+		irq_desc[i].irq = i;
+#endif
 #endif
 }
 
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 8e55dbe50af..e1d787e9169 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -197,6 +197,21 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 	 *  we run out of pre-allocate ones, allocate more
 	 */
 	printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc);
+	{
+		/* double check if some one mess up the list */
+		struct irq_desc *desc;
+		int count = 0;
+
+		desc = &sparse_irqs[0];
+		while (desc) {
+			printk(KERN_DEBUG "found irq_desc for irq %d\n", desc->irq);
+			if (desc->next)
+				printk(KERN_DEBUG "found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq);
+			desc = desc->next;
+			count++;
+		}
+		printk(KERN_DEBUG "all preallocted %d\n", count);
+	}
 
 	total_bytes = sizeof(struct irq_desc) * nr_irq_desc;
 	if (after_bootmem)
@@ -221,6 +236,21 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 
 	desc->irq = irq;
 	desc_pri->next = desc;
+	{
+		/* double check if some one mess up the list */
+		struct irq_desc *desc;
+		int count = 0;
+
+		desc = &sparse_irqs[0];
+		while (desc) {
+			printk(KERN_DEBUG "1 found irq_desc for irq %d\n", desc->irq);
+			if (desc->next)
+				printk(KERN_DEBUG "1 found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq);
+			desc = desc->next;
+			count++;
+		}
+		printk(KERN_DEBUG "1 all preallocted %d\n", count);
+	}
 
 	return desc;
 }
-- 
GitLab


From 1d5f6b36c4736af1dac396d6267eb53dcc8c0021 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:16 -0700
Subject: [PATCH 0659/2224] x86: check with without_new in show_interrupts

so we don't get new one that we don't need it.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/irq_64.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index f58b995b30e..f337f87c1e1 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -83,7 +83,10 @@ int show_interrupts(struct seq_file *p, void *v)
 
 	if (i < nr_irqs) {
 		unsigned any_count = 0;
-		struct irq_desc *desc = irq_to_desc(i);
+		struct irq_desc *desc = __irq_to_desc(i);
+
+		if (!desc)
+			return 0;
 
 		spin_lock_irqsave(&desc->lock, flags);
 #ifndef CONFIG_SMP
-- 
GitLab


From cb5bc83225a86ca53bbb889ed8439e4fd6cf44ac Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:17 -0700
Subject: [PATCH 0660/2224] x86_64: rename irq_desc/irq_desc_alloc

change names:

          irq_desc() ==> irq_desc_alloc
	__irq_desc() ==> irq_desc

Also split a few of the uses in lowlevel x86 code.

v2: need to check if desc is null in smp_irq_move_cleanup

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 10 +++++++++-
 arch/x86/kernel/irq_64.c     |  4 ++--
 arch/x86/kernel/irqinit_64.c |  3 ++-
 include/linux/irq.h          |  2 +-
 kernel/irq/chip.c            | 21 +++++++++++----------
 kernel/irq/handle.c          | 23 +++++------------------
 kernel/irq/manage.c          | 16 ++++++++--------
 7 files changed, 38 insertions(+), 41 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 1b8cccb5ba2..a054db9ef19 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -1124,7 +1124,12 @@ static void ioapic_register_intr(int irq, unsigned long trigger)
 {
 	struct irq_desc *desc;
 
-	desc = irq_to_desc(irq);
+	/* first time to use this irq_desc */
+	if (irq < 16)
+		desc = irq_to_desc(irq);
+	else
+		desc = irq_to_desc_alloc(irq);
+
 	if (trigger)
 		desc->status |= IRQ_LEVEL;
 	else
@@ -1919,6 +1924,9 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
 		irq = __get_cpu_var(vector_irq)[vector];
 
 		desc = irq_to_desc(irq);
+		if (!desc)
+			continue;
+
 		cfg = irq_cfg(irq);
 		spin_lock(&desc->lock);
 		if (!cfg->move_cleanup_count)
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index f337f87c1e1..5d5976e0311 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -83,7 +83,7 @@ int show_interrupts(struct seq_file *p, void *v)
 
 	if (i < nr_irqs) {
 		unsigned any_count = 0;
-		struct irq_desc *desc = __irq_to_desc(i);
+		struct irq_desc *desc = irq_to_desc(i);
 
 		if (!desc)
 			return 0;
@@ -206,7 +206,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 	stack_overflow_check(regs);
 #endif
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (likely(desc))
 		generic_handle_irq_desc(irq, desc);
 	else {
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
index cd9f42d028d..d17fbc26d96 100644
--- a/arch/x86/kernel/irqinit_64.c
+++ b/arch/x86/kernel/irqinit_64.c
@@ -143,7 +143,8 @@ void __init init_ISA_irqs(void)
 	init_8259A(0);
 
 	for (i = 0; i < 16; i++) {
-		struct irq_desc *desc = irq_to_desc(i);
+		/* first time call this irq_desc */
+		struct irq_desc *desc = irq_to_desc_alloc(i);
 
 		desc->status = IRQ_DISABLED;
 		desc->action = NULL;
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7b59e193a11..5fe1b01c11f 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -191,7 +191,7 @@ struct irq_desc {
 } ____cacheline_internodealigned_in_smp;
 
 extern struct irq_desc *irq_to_desc(unsigned int irq);
-extern struct irq_desc *__irq_to_desc(unsigned int irq);
+extern struct irq_desc *irq_to_desc_alloc(unsigned int irq);
 
 #ifndef CONFIG_HAVE_SPARSE_IRQ
 
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index a4bb0da9c88..9fc5e69213d 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -27,7 +27,8 @@ void dynamic_irq_init(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
+	/* first time to use this irq_desc */
+	desc = irq_to_desc_alloc(irq);
 	if (!desc) {
 		WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq);
 		return;
@@ -60,7 +61,7 @@ void dynamic_irq_cleanup(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq);
 		return;
@@ -92,7 +93,7 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq);
 		return -EINVAL;
@@ -122,7 +123,7 @@ int set_irq_type(unsigned int irq, unsigned int type)
 	unsigned long flags;
 	int ret = -ENXIO;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq);
 		return -ENODEV;
@@ -150,7 +151,7 @@ int set_irq_data(unsigned int irq, void *data)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install controller data for IRQ%d\n", irq);
@@ -176,7 +177,7 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install msi data for IRQ%d\n", irq);
@@ -203,7 +204,7 @@ int set_irq_chip_data(unsigned int irq, void *data)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install chip data for IRQ%d\n", irq);
@@ -554,7 +555,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install type control for IRQ%d\n", irq);
@@ -618,7 +619,7 @@ void __init set_irq_noprobe(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq);
 
@@ -635,7 +636,7 @@ void __init set_irq_probe(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq);
 
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index e1d787e9169..d44e3515eae 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -151,7 +151,7 @@ early_param("nr_irq_desc", parse_nr_irq_desc);
 struct irq_desc *sparse_irqs;
 DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work);
 
-struct irq_desc *__irq_to_desc(unsigned int irq)
+struct irq_desc *irq_to_desc(unsigned int irq)
 {
 	struct irq_desc *desc;
 
@@ -169,7 +169,7 @@ struct irq_desc *__irq_to_desc(unsigned int irq)
 	}
 	return NULL;
 }
-struct irq_desc *irq_to_desc(unsigned int irq)
+struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 {
 	struct irq_desc *desc, *desc_pri;
 	int i;
@@ -186,6 +186,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 
 		if (desc->irq == -1U) {
 			desc->irq = irq;
+			printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq);
 			return desc;
 		}
 		desc_pri = desc;
@@ -236,21 +237,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 
 	desc->irq = irq;
 	desc_pri->next = desc;
-	{
-		/* double check if some one mess up the list */
-		struct irq_desc *desc;
-		int count = 0;
-
-		desc = &sparse_irqs[0];
-		while (desc) {
-			printk(KERN_DEBUG "1 found irq_desc for irq %d\n", desc->irq);
-			if (desc->next)
-				printk(KERN_DEBUG "1 found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq);
-			desc = desc->next;
-			count++;
-		}
-		printk(KERN_DEBUG "1 all preallocted %d\n", count);
-	}
+	printk(KERN_DEBUG "1 found new irq_desc for irq %d and pri will be irq %d\n", desc->irq, desc_pri->irq);
 
 	return desc;
 }
@@ -285,7 +272,7 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 
 	return NULL;
 }
-struct irq_desc *__irq_to_desc(unsigned int irq)
+struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 {
 	return irq_to_desc(irq);
 }
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index c0b4d4df6de..6df49218632 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -31,7 +31,7 @@ cpumask_t irq_default_affinity = CPU_MASK_ALL;
  */
 void synchronize_irq(unsigned int irq)
 {
-	struct irq_desc *desc = __irq_to_desc(irq);
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned int status;
 
 	if (!desc)
@@ -145,7 +145,7 @@ void disable_irq_nosync(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -174,7 +174,7 @@ void disable_irq(unsigned int irq)
 {
 	struct irq_desc *desc;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -218,7 +218,7 @@ void enable_irq(unsigned int irq)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -296,7 +296,7 @@ int can_request_irq(unsigned int irq, unsigned long irqflags)
 	struct irq_desc *desc;
 	struct irqaction *action;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc)
 		return 0;
 
@@ -366,7 +366,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 	int shared = 0;
 	int ret;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc)
 		return -EINVAL;
 
@@ -527,7 +527,7 @@ void free_irq(unsigned int irq, void *dev_id)
 
 	WARN_ON(in_interrupt());
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -644,7 +644,7 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 	if ((irqflags & IRQF_SHARED) && !dev_id)
 		return -EINVAL;
 
-	desc = __irq_to_desc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc)
 		return -EINVAL;
 
-- 
GitLab


From 67fb283e148e9bd761f73691d3173b6eab9ba8db Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:18 -0700
Subject: [PATCH 0661/2224] irq: separate sparse_irqs from sparse_irqs_free

so later don't need compare with -1U

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/irq.h |   2 +-
 kernel/irq/handle.c | 115 +++++++++++++++++++++++---------------------
 2 files changed, 62 insertions(+), 55 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 5fe1b01c11f..d5749852ee6 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -211,7 +211,7 @@ extern struct irq_desc *irq_desc;
 
 extern struct irq_desc *sparse_irqs;
 #define for_each_irq_desc(irqX, desc)		\
-	for (desc = sparse_irqs, irqX = desc->irq; desc && irqX != -1U; desc = desc->next, irqX = desc ? desc->irq : -1U)
+	for (desc = sparse_irqs, irqX = desc->irq; desc; desc = desc->next, irqX = desc ? desc->irq : -1U)
 
 #endif
 
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index d44e3515eae..6d174390f3a 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -112,6 +112,11 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
 	}
 }
 
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+static struct irq_desc *sparse_irqs_free;
+struct irq_desc *sparse_irqs;
+#endif
+
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
@@ -127,13 +132,16 @@ static void __init init_work(void *data)
 #endif
 	}
 
+	/* init kstat_irqs, nr_cpu_ids is ready already */
+	init_kstat_irqs(desc, *da->nr, nr_cpu_ids);
+
 #ifdef CONFIG_HAVE_SPARSE_IRQ
 	for (i = 1; i < *da->nr; i++)
 		desc[i-1].next = &desc[i];
-#endif
 
-	/* init kstat_irqs, nr_cpu_ids is ready already */
-	init_kstat_irqs(desc, *da->nr, nr_cpu_ids);
+	sparse_irqs_free = sparse_irqs;
+	sparse_irqs = NULL;
+#endif
 }
 
 #ifdef CONFIG_HAVE_SPARSE_IRQ
@@ -148,23 +156,17 @@ static int __init parse_nr_irq_desc(char *arg)
 
 early_param("nr_irq_desc", parse_nr_irq_desc);
 
-struct irq_desc *sparse_irqs;
 DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work);
 
 struct irq_desc *irq_to_desc(unsigned int irq)
 {
 	struct irq_desc *desc;
 
-	BUG_ON(irq == -1U);
-
-	desc = &sparse_irqs[0];
+	desc = sparse_irqs;
 	while (desc) {
 		if (desc->irq == irq)
 			return desc;
 
-		if (desc->irq == -1U)
-			return NULL;
-
 		desc = desc->next;
 	}
 	return NULL;
@@ -174,21 +176,12 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 	struct irq_desc *desc, *desc_pri;
 	int i;
 	int count = 0;
-	unsigned long phys;
-	unsigned long total_bytes;
 
-	BUG_ON(irq == -1U);
-
-	desc_pri = desc = &sparse_irqs[0];
+	desc_pri = desc = sparse_irqs;
 	while (desc) {
 		if (desc->irq == irq)
 			return desc;
 
-		if (desc->irq == -1U) {
-			desc->irq = irq;
-			printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq);
-			return desc;
-		}
 		desc_pri = desc;
 		desc = desc->next;
 		count++;
@@ -197,48 +190,62 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 	/*
 	 *  we run out of pre-allocate ones, allocate more
 	 */
-	printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc);
-	{
-		/* double check if some one mess up the list */
-		struct irq_desc *desc;
-		int count = 0;
-
-		desc = &sparse_irqs[0];
-		while (desc) {
-			printk(KERN_DEBUG "found irq_desc for irq %d\n", desc->irq);
-			if (desc->next)
-				printk(KERN_DEBUG "found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq);
-			desc = desc->next;
-			count++;
-		}
-		printk(KERN_DEBUG "all preallocted %d\n", count);
-	}
+	if (!sparse_irqs_free) {
+		unsigned long phys;
+		unsigned long total_bytes;
 
-	total_bytes = sizeof(struct irq_desc) * nr_irq_desc;
-	if (after_bootmem)
-		desc = kzalloc(total_bytes, GFP_ATOMIC);
-	else
-		desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
+		printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc);
 
-	if (!desc)
-		panic("please boot with nr_irq_desc= %d\n", count * 2);
+		total_bytes = sizeof(struct irq_desc) * nr_irq_desc;
+		if (after_bootmem)
+			desc = kzalloc(total_bytes, GFP_ATOMIC);
+		else
+			desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
 
-	phys = __pa(desc);
-	printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
+		if (!desc)
+			panic("please boot with nr_irq_desc= %d\n", count * 2);
 
-	for (i = 0; i < nr_irq_desc; i++)
-		init_one_irq_desc(&desc[i]);
+		phys = __pa(desc);
+		printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
 
-	for (i = 1; i < nr_irq_desc; i++)
-		desc[i-1].next = &desc[i];
+		for (i = 0; i < nr_irq_desc; i++)
+			init_one_irq_desc(&desc[i]);
 
-	/* init kstat_irqs, nr_cpu_ids is ready already */
-	init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids);
+		for (i = 1; i < nr_irq_desc; i++)
+			desc[i-1].next = &desc[i];
 
-	desc->irq = irq;
-	desc_pri->next = desc;
-	printk(KERN_DEBUG "1 found new irq_desc for irq %d and pri will be irq %d\n", desc->irq, desc_pri->irq);
+		/* init kstat_irqs, nr_cpu_ids is ready already */
+		init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids);
 
+		sparse_irqs_free = desc;
+	}
+
+	desc = sparse_irqs_free;
+	sparse_irqs_free = sparse_irqs_free->next;
+	desc->next = NULL;
+	if (desc_pri)
+		desc_pri->next = desc;
+	else
+		sparse_irqs = desc;
+	desc->irq = irq;
+	printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq);
+#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
+	{
+		/* dump the results */
+		struct irq_desc *desc;
+		unsigned long phys;
+		unsigned long bytes = sizeof(struct irq_desc);
+		unsigned int irqx;
+
+		printk(KERN_DEBUG "=========================== %d\n", irq);
+		printk(KERN_DEBUG "irq_desc dump after get that for %d\n", irq);
+		for_each_irq_desc(irqx, desc) {
+			phys = __pa(desc);
+			printk(KERN_DEBUG "irq_desc %d ==> [%#lx - %#lx]\n", irqx, phys, phys + bytes);
+		}
+		printk(KERN_DEBUG "===========================\n");
+	}
+#endif
 	return desc;
 }
 #else
-- 
GitLab


From a2f9f43858db64cb8b45c4f6746d7a52b80d4dcb Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:19 -0700
Subject: [PATCH 0662/2224] x86_64: separate irq_cfgx from irq_cfgx_free

so later don't need to compare with -1U

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 92 +++++++++++++++++++++++-------------
 1 file changed, 59 insertions(+), 33 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index a054db9ef19..8ab7ae01773 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -111,44 +111,44 @@ static void init_one_irq_cfg(struct irq_cfg *cfg)
 	memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg));
 }
 
+static struct irq_cfg *irq_cfgx;
+static struct irq_cfg *irq_cfgx_free;
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
 	struct irq_cfg *cfg;
+	int legacy_count;
 	int i;
 
 	cfg = *da->name;
 
 	memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
 
-	i = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
-	for (; i < *da->nr; i++)
+	legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
+	for (i = legacy_count; i < *da->nr; i++)
 		init_one_irq_cfg(&cfg[i]);
 
 	for (i = 1; i < *da->nr; i++)
 		cfg[i-1].next = &cfg[i];
+
+	irq_cfgx_free = &irq_cfgx[legacy_count];
+	irq_cfgx[legacy_count - 1].next = NULL;
 }
 
 #define for_each_irq_cfg(cfg)		\
-	for (cfg = irq_cfgx; cfg && cfg->irq != -1U; cfg = cfg->next)
+	for (cfg = irq_cfgx; cfg; cfg = cfg->next)
 
-static struct irq_cfg *irq_cfgx;
 DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
 
 static struct irq_cfg *irq_cfg(unsigned int irq)
 {
 	struct irq_cfg *cfg;
 
-	BUG_ON(irq == -1U);
-
-	cfg = &irq_cfgx[0];
+	cfg = irq_cfgx;
 	while (cfg) {
 		if (cfg->irq == irq)
 			return cfg;
 
-		if (cfg->irq == -1U)
-			return NULL;
-
 		cfg = cfg->next;
 	}
 
@@ -161,44 +161,70 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 	int i;
 	int count = 0;
 
-	BUG_ON(irq == -1U);
-
-	cfg_pri = cfg = &irq_cfgx[0];
+	cfg_pri = cfg = irq_cfgx;
 	while (cfg) {
 		if (cfg->irq == irq)
 			return cfg;
 
-		if (cfg->irq == -1U) {
-			cfg->irq = irq;
-			return cfg;
-		}
 		cfg_pri = cfg;
 		cfg = cfg->next;
 		count++;
 	}
 
-	/*
-	 *  we run out of pre-allocate ones, allocate more
-	 */
-	printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg);
+	if (!irq_cfgx_free) {
+		unsigned long phys;
+		unsigned long total_bytes;
+		/*
+		 *  we run out of pre-allocate ones, allocate more
+		 */
+		printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg);
 
-	if (after_bootmem)
-		cfg = kzalloc(sizeof(struct irq_cfg)*nr_irq_cfg, GFP_ATOMIC);
-	else
-		cfg = __alloc_bootmem_nopanic(sizeof(struct irq_cfg)*nr_irq_cfg, PAGE_SIZE, 0);
+		total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg;
+		if (after_bootmem)
+			cfg = kzalloc(total_bytes, GFP_ATOMIC);
+		else
+			cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
 
-	if (!cfg)
-		panic("please boot with nr_irq_cfg= %d\n", count * 2);
+		if (!cfg)
+			panic("please boot with nr_irq_cfg= %d\n", count * 2);
 
-	for (i = 0; i < nr_irq_cfg; i++)
-		init_one_irq_cfg(&cfg[i]);
+		phys = __pa(cfg);
+		printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
 
-	for (i = 1; i < nr_irq_cfg; i++)
-		cfg[i-1].next = &cfg[i];
+		for (i = 0; i < nr_irq_cfg; i++)
+			init_one_irq_cfg(&cfg[i]);
 
-	cfg->irq = irq;
-	cfg_pri->next = cfg;
+		for (i = 1; i < nr_irq_cfg; i++)
+			cfg[i-1].next = &cfg[i];
+
+		irq_cfgx_free = cfg;
+	}
 
+	cfg = irq_cfgx_free;
+	irq_cfgx_free = irq_cfgx_free->next;
+	cfg->next = NULL;
+	if (cfg_pri)
+		cfg_pri->next = cfg;
+	else
+		irq_cfgx = cfg;
+	cfg->irq = irq;
+	printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq);
+#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
+	{
+		/* dump the results */
+		struct irq_cfg *cfg;
+		unsigned long phys;
+		unsigned long bytes = sizeof(struct irq_cfg);
+
+		printk(KERN_DEBUG "=========================== %d\n", irq);
+		printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq);
+		for_each_irq_cfg(cfg) {
+			phys = __pa(cfg);
+			printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes);
+		}
+		printk(KERN_DEBUG "===========================\n");
+	}
+#endif
 	return cfg;
 }
 
-- 
GitLab


From 52b17329d6d0a4824b89206803a430915031ff23 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:20 -0700
Subject: [PATCH 0663/2224] x86_64: make /proc/interrupts work with dyn
 irq_desc

loop with irq_desc list

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/irq_64.c | 31 ++++++++++++++++++++++++-------
 fs/proc/proc_misc.c      | 28 ++++++++++++++++++++++++----
 2 files changed, 48 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 5d5976e0311..7bd841a9c64 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -70,9 +70,27 @@ static inline void stack_overflow_check(struct pt_regs *regs)
 
 int show_interrupts(struct seq_file *p, void *v)
 {
-	int i = *(loff_t *) v, j;
+	int i, j;
 	struct irqaction * action;
 	unsigned long flags;
+	unsigned int entries;
+	struct irq_desc *desc;
+	int tail = 0;
+
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+	desc = (struct irq_desc *)v;
+	entries = -1U;
+	i = desc->irq;
+	if (!desc->next)
+		tail = 1;
+#else
+	entries = nr_irqs - 1;
+	i = *(loff_t *) v;
+	if (i == nr_irqs)
+		tail = 1;
+	else
+		desc = irq_to_desc(i);
+#endif
 
 	if (i == 0) {
 		seq_printf(p, "           ");
@@ -81,12 +99,8 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 	}
 
-	if (i < nr_irqs) {
+	if (i <= entries) {
 		unsigned any_count = 0;
-		struct irq_desc *desc = irq_to_desc(i);
-
-		if (!desc)
-			return 0;
 
 		spin_lock_irqsave(&desc->lock, flags);
 #ifndef CONFIG_SMP
@@ -116,7 +130,9 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 skip:
 		spin_unlock_irqrestore(&desc->lock, flags);
-	} else if (i == nr_irqs) {
+	}
+
+	if (tail) {
 		seq_printf(p, "NMI: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
@@ -155,6 +171,7 @@ skip:
 		seq_printf(p, "  Spurious interrupts\n");
 		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
 	}
+
 	return 0;
 }
 
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index c3cbabe8b38..72dd739a7f8 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -645,15 +645,36 @@ static const struct file_operations proc_stat_operations = {
  */
 static void *int_seq_start(struct seq_file *f, loff_t *pos)
 {
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+	struct irq_desc *desc;
+	int irq;
+	int count = *pos;
+
+	for_each_irq_desc(irq, desc) {
+		if (count-- == 0)
+			return desc;
+	}
+
+	return NULL;
+#else
 	return (*pos <= nr_irqs) ? pos : NULL;
+#endif
 }
 
+
 static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
 {
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+	struct irq_desc *desc;
+
+	desc = ((struct irq_desc *)v)->next;
 	(*pos)++;
-	if (*pos > nr_irqs)
-		return NULL;
-	return pos;
+
+	return desc;
+#else
+	(*pos)++;
+	return (*pos <= nr_irqs) ? pos : NULL;
+#endif
 }
 
 static void int_seq_stop(struct seq_file *f, void *v)
@@ -661,7 +682,6 @@ static void int_seq_stop(struct seq_file *f, void *v)
 	/* Nothing to do */
 }
 
-
 static const struct seq_operations int_seq_ops = {
 	.start = int_seq_start,
 	.next  = int_seq_next,
-- 
GitLab


From e420dfb40c453a9760b86c7f338052bdb4dfa755 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:21 -0700
Subject: [PATCH 0664/2224] x86: put irq_2_iommu pointer into irq_desc

when CONFIG_HAVE_SPARSE_IRQ
preallocate some irq_2_iommu entries, and use get_one_free_irq_2_iomm to
get new one and link to irq_desc if needed.

else will use dyn_array or static array.

v2: <= nr_irqs fix

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/intr_remapping.c | 213 +++++++++++++++++++++++++++--------
 include/linux/irq.h          |   4 +
 2 files changed, 169 insertions(+), 48 deletions(-)

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 6961be80768..23372c81115 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -19,41 +19,136 @@ struct irq_2_iommu {
 	u8  irte_mask;
 };
 
-#ifdef CONFIG_HAVE_DYNA_ARRAY
-static struct irq_2_iommu *irq_2_iommu;
-DEFINE_DYN_ARRAY(irq_2_iommu, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL);
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+static struct irq_2_iommu *irq_2_iommuX;
+/* fill one page ? */
+static int nr_irq_2_iommu = 0x100;
+static int irq_2_iommu_index;
+DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irq_2_iommu, PAGE_SIZE, NULL);
+
+extern void *__alloc_bootmem_nopanic(unsigned long size,
+				     unsigned long align,
+				     unsigned long goal);
+
+static struct irq_2_iommu *get_one_free_irq_2_iommu(int not_used)
+{
+	struct irq_2_iommu *iommu;
+	unsigned long total_bytes;
+
+	if (irq_2_iommu_index >= nr_irq_2_iommu) {
+		/*
+		 *  we run out of pre-allocate ones, allocate more
+		 */
+		printk(KERN_DEBUG "try to get more irq_2_iommu %d\n", nr_irq_2_iommu);
+
+		total_bytes = sizeof(struct irq_2_iommu)*nr_irq_2_iommu;
+
+		if (after_bootmem)
+			iommu = kzalloc(total_bytes, GFP_ATOMIC);
+		else
+			iommu = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
+
+		if (!iommu)
+			panic("can not get more irq_2_iommu\n");
+
+		irq_2_iommuX = iommu;
+		irq_2_iommu_index = 0;
+	}
+
+	iommu = &irq_2_iommuX[irq_2_iommu_index];
+	irq_2_iommu_index++;
+	return iommu;
+}
+
+static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
+{
+	struct irq_desc *desc;
+
+	desc = irq_to_desc(irq);
+
+	BUG_ON(!desc);
+
+	return desc->irq_2_iommu;
+}
+
+static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
+{
+	struct irq_desc *desc;
+	struct irq_2_iommu *irq_iommu;
+
+	desc = irq_to_desc(irq);
+
+	BUG_ON(!desc);
+
+	irq_iommu = desc->irq_2_iommu;
+
+	if (!irq_iommu)
+		desc->irq_2_iommu = get_one_free_irq_2_iommu(irq);
+
+	return desc->irq_2_iommu;
+}
+
+#else /* !CONFIG_HAVE_SPARSE_IRQ */
+
+#ifdef CONFIG_HAVE_DYN_ARRAY
+static struct irq_2_iommu *irq_2_iommuX;
+DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL);
 #else
-static struct irq_2_iommu irq_2_iommu[NR_IRQS];
+static struct irq_2_iommu irq_2_iommuX[NR_IRQS];
+#endif
+
+static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
+{
+	if (irq < nr_irqs)
+		return &irq_2_iommuX[irq];
+
+	return NULL;
+}
+static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
+{
+	return irq_2_iommu(irq);
+}
 #endif
 
 static DEFINE_SPINLOCK(irq_2_ir_lock);
 
-int irq_remapped(int irq)
+static struct irq_2_iommu *valid_irq_2_iommu(unsigned int irq)
 {
-	if (irq > nr_irqs)
-		return 0;
+	struct irq_2_iommu *irq_iommu;
+
+	irq_iommu = irq_2_iommu(irq);
 
-	if (!irq_2_iommu[irq].iommu)
-		return 0;
+	if (!irq_iommu)
+		return NULL;
 
-	return 1;
+	if (!irq_iommu->iommu)
+		return NULL;
+
+	return irq_iommu;
+}
+
+int irq_remapped(int irq)
+{
+	return valid_irq_2_iommu(irq) != NULL;
 }
 
 int get_irte(int irq, struct irte *entry)
 {
 	int index;
+	struct irq_2_iommu *irq_iommu;
 
-	if (!entry || irq > nr_irqs)
+	if (!entry)
 		return -1;
 
 	spin_lock(&irq_2_ir_lock);
-	if (!irq_2_iommu[irq].iommu) {
+	irq_iommu = valid_irq_2_iommu(irq);
+	if (!irq_iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
 
-	index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
-	*entry = *(irq_2_iommu[irq].iommu->ir_table->base + index);
+	index = irq_iommu->irte_index + irq_iommu->sub_handle;
+	*entry = *(irq_iommu->iommu->ir_table->base + index);
 
 	spin_unlock(&irq_2_ir_lock);
 	return 0;
@@ -62,6 +157,7 @@ int get_irte(int irq, struct irte *entry)
 int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
 {
 	struct ir_table *table = iommu->ir_table;
+	struct irq_2_iommu *irq_iommu;
 	u16 index, start_index;
 	unsigned int mask = 0;
 	int i;
@@ -69,6 +165,12 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
 	if (!count)
 		return -1;
 
+#ifndef	CONFIG_HAVE_SPARSE_IRQ
+	/* protect irq_2_iommu_alloc later */
+	if (irq >= nr_irqs)
+		return -1;
+#endif
+
 	/*
 	 * start the IRTE search from index 0.
 	 */
@@ -108,10 +210,11 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
 	for (i = index; i < index + count; i++)
 		table->base[i].present = 1;
 
-	irq_2_iommu[irq].iommu = iommu;
-	irq_2_iommu[irq].irte_index =  index;
-	irq_2_iommu[irq].sub_handle = 0;
-	irq_2_iommu[irq].irte_mask = mask;
+	irq_iommu = irq_2_iommu_alloc(irq);
+	irq_iommu->iommu = iommu;
+	irq_iommu->irte_index =  index;
+	irq_iommu->sub_handle = 0;
+	irq_iommu->irte_mask = mask;
 
 	spin_unlock(&irq_2_ir_lock);
 
@@ -132,31 +235,36 @@ static void qi_flush_iec(struct intel_iommu *iommu, int index, int mask)
 int map_irq_to_irte_handle(int irq, u16 *sub_handle)
 {
 	int index;
+	struct irq_2_iommu *irq_iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
+	irq_iommu = valid_irq_2_iommu(irq);
+	if (!irq_iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
 
-	*sub_handle = irq_2_iommu[irq].sub_handle;
-	index = irq_2_iommu[irq].irte_index;
+	*sub_handle = irq_iommu->sub_handle;
+	index = irq_iommu->irte_index;
 	spin_unlock(&irq_2_ir_lock);
 	return index;
 }
 
 int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
 {
+	struct irq_2_iommu *irq_iommu;
+
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= nr_irqs || irq_2_iommu[irq].iommu) {
+	irq_iommu = valid_irq_2_iommu(irq);
+	if (!irq_iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
 
-	irq_2_iommu[irq].iommu = iommu;
-	irq_2_iommu[irq].irte_index = index;
-	irq_2_iommu[irq].sub_handle = subhandle;
-	irq_2_iommu[irq].irte_mask = 0;
+	irq_iommu->iommu = iommu;
+	irq_iommu->irte_index = index;
+	irq_iommu->sub_handle = subhandle;
+	irq_iommu->irte_mask = 0;
 
 	spin_unlock(&irq_2_ir_lock);
 
@@ -165,16 +273,19 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
 
 int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index)
 {
+	struct irq_2_iommu *irq_iommu;
+
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
+	irq_iommu = valid_irq_2_iommu(irq);
+	if (!irq_iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
 
-	irq_2_iommu[irq].iommu = NULL;
-	irq_2_iommu[irq].irte_index = 0;
-	irq_2_iommu[irq].sub_handle = 0;
-	irq_2_iommu[irq].irte_mask = 0;
+	irq_iommu->iommu = NULL;
+	irq_iommu->irte_index = 0;
+	irq_iommu->sub_handle = 0;
+	irq_2_iommu(irq)->irte_mask = 0;
 
 	spin_unlock(&irq_2_ir_lock);
 
@@ -186,16 +297,18 @@ int modify_irte(int irq, struct irte *irte_modified)
 	int index;
 	struct irte *irte;
 	struct intel_iommu *iommu;
+	struct irq_2_iommu *irq_iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
+	irq_iommu = valid_irq_2_iommu(irq);
+	if (!irq_iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
 
-	iommu = irq_2_iommu[irq].iommu;
+	iommu = irq_iommu->iommu;
 
-	index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
+	index = irq_iommu->irte_index + irq_iommu->sub_handle;
 	irte = &iommu->ir_table->base[index];
 
 	set_64bit((unsigned long *)irte, irte_modified->low | (1 << 1));
@@ -211,18 +324,20 @@ int flush_irte(int irq)
 {
 	int index;
 	struct intel_iommu *iommu;
+	struct irq_2_iommu *irq_iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
+	irq_iommu = valid_irq_2_iommu(irq);
+	if (!irq_iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
 
-	iommu = irq_2_iommu[irq].iommu;
+	iommu = irq_iommu->iommu;
 
-	index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
+	index = irq_iommu->irte_index + irq_iommu->sub_handle;
 
-	qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask);
+	qi_flush_iec(iommu, index, irq_iommu->irte_mask);
 	spin_unlock(&irq_2_ir_lock);
 
 	return 0;
@@ -254,28 +369,30 @@ int free_irte(int irq)
 	int index, i;
 	struct irte *irte;
 	struct intel_iommu *iommu;
+	struct irq_2_iommu *irq_iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	if (irq >= nr_irqs || !irq_2_iommu[irq].iommu) {
+	irq_iommu = valid_irq_2_iommu(irq);
+	if (!irq_iommu) {
 		spin_unlock(&irq_2_ir_lock);
 		return -1;
 	}
 
-	iommu = irq_2_iommu[irq].iommu;
+	iommu = irq_iommu->iommu;
 
-	index = irq_2_iommu[irq].irte_index + irq_2_iommu[irq].sub_handle;
+	index = irq_iommu->irte_index + irq_iommu->sub_handle;
 	irte = &iommu->ir_table->base[index];
 
-	if (!irq_2_iommu[irq].sub_handle) {
-		for (i = 0; i < (1 << irq_2_iommu[irq].irte_mask); i++)
+	if (!irq_iommu->sub_handle) {
+		for (i = 0; i < (1 << irq_iommu->irte_mask); i++)
 			set_64bit((unsigned long *)irte, 0);
-		qi_flush_iec(iommu, index, irq_2_iommu[irq].irte_mask);
+		qi_flush_iec(iommu, index, irq_iommu->irte_mask);
 	}
 
-	irq_2_iommu[irq].iommu = NULL;
-	irq_2_iommu[irq].irte_index = 0;
-	irq_2_iommu[irq].sub_handle = 0;
-	irq_2_iommu[irq].irte_mask = 0;
+	irq_iommu->iommu = NULL;
+	irq_iommu->irte_index = 0;
+	irq_iommu->sub_handle = 0;
+	irq_iommu->irte_mask = 0;
 
 	spin_unlock(&irq_2_ir_lock);
 
diff --git a/include/linux/irq.h b/include/linux/irq.h
index d5749852ee6..788d5a35a58 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -128,6 +128,7 @@ struct irq_chip {
 };
 
 struct timer_rand_state;
+struct irq_2_iommu;
 /**
  * struct irq_desc - interrupt descriptor
  *
@@ -162,6 +163,9 @@ struct irq_desc {
 	unsigned int            *kstat_irqs;
 #else
 	unsigned int            kstat_irqs[NR_CPUS];
+#endif
+#if defined(CONFIG_INTR_REMAP) && defined(CONFIG_HAVE_SPARSE_IRQ)
+       struct irq_2_iommu      *irq_2_iommu;
 #endif
 	irq_flow_handler_t	handle_irq;
 	struct irq_chip		*chip;
-- 
GitLab


From 6d50bc26836e16a9589e0b128d527c29e30d722a Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:22 -0700
Subject: [PATCH 0665/2224] x86: use 28 bits irq NR for pci msi/msix and ht

also print out irq no in /proc/interrups and /proc/stat in hex, so could
tell bus/dev/func.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 64 ++++++++++++++++++++++++++++--------
 arch/x86/kernel/irq_64.c     |  2 +-
 drivers/pci/htirq.c          | 22 +++++++++++--
 fs/proc/proc_misc.c          |  2 +-
 include/linux/irq.h          |  1 +
 5 files changed, 73 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 8ab7ae01773..b0d4abc55a1 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -2520,17 +2520,21 @@ device_initcall(ioapic_init_sysfs);
 /*
  * Dynamic irq allocate and deallocation
  */
-int create_irq(void)
+unsigned int create_irq_nr(unsigned int irq_want)
 {
 	/* Allocate an unused irq */
-	int irq;
-	int new;
+	unsigned int irq;
+	unsigned int new;
 	unsigned long flags;
 	struct irq_cfg *cfg_new;
 
-	irq = -ENOSPC;
+#ifndef CONFIG_HAVE_SPARSE_IRQ
+	irq_want = nr_irqs - 1;
+#endif
+
+	irq = 0;
 	spin_lock_irqsave(&vector_lock, flags);
-	for (new = (nr_irqs - 1); new >= 0; new--) {
+	for (new = irq_want; new > 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
 		cfg_new = irq_cfg(new);
@@ -2545,12 +2549,24 @@ int create_irq(void)
 	}
 	spin_unlock_irqrestore(&vector_lock, flags);
 
-	if (irq >= 0) {
+	if (irq > 0) {
 		dynamic_irq_init(irq);
 	}
 	return irq;
 }
 
+int create_irq(void)
+{
+	int irq;
+
+	irq = create_irq_nr(nr_irqs - 1);
+
+	if (irq == 0)
+		irq = -1;
+
+	return irq;
+}
+
 void destroy_irq(unsigned int irq)
 {
 	unsigned long flags;
@@ -2803,13 +2819,29 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
 	return 0;
 }
 
+static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
+{
+	unsigned int irq;
+
+	irq = dev->bus->number;
+	irq <<= 8;
+	irq |= dev->devfn;
+	irq <<= 12;
+
+	return irq;
+}
+
 int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 {
-	int irq, ret;
+	unsigned int irq;
+	int ret;
+	unsigned int irq_want;
 
-	irq = create_irq();
-	if (irq < 0)
-		return irq;
+	irq_want = build_irq_for_pci_dev(dev) + 0x100;
+
+	irq = create_irq_nr(irq_want);
+	if (irq == 0)
+		return -1;
 
 #ifdef CONFIG_INTR_REMAP
 	if (!intr_remapping_enabled)
@@ -2836,18 +2868,22 @@ error:
 
 int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 {
-	int irq, ret, sub_handle;
+	unsigned int irq;
+	int ret, sub_handle;
 	struct msi_desc *desc;
+	unsigned int irq_want;
+
 #ifdef CONFIG_INTR_REMAP
 	struct intel_iommu *iommu = 0;
 	int index = 0;
 #endif
 
+	irq_want = build_irq_for_pci_dev(dev) + 0x100;
 	sub_handle = 0;
 	list_for_each_entry(desc, &dev->msi_list, list) {
-		irq = create_irq();
-		if (irq < 0)
-			return irq;
+		irq = create_irq_nr(irq_want--);
+		if (irq == 0)
+			return -1;
 #ifdef CONFIG_INTR_REMAP
 		if (!intr_remapping_enabled)
 			goto no_ir;
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 7bd841a9c64..348a11168c2 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -112,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		action = desc->action;
 		if (!action && !any_count)
 			goto skip;
-		seq_printf(p, "%3d: ",i);
+		seq_printf(p, "%#x: ",i);
 #ifndef CONFIG_SMP
 		seq_printf(p, "%10u ", kstat_irqs(i));
 #else
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 279c940a003..7c5aef13fcd 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -82,6 +82,18 @@ void unmask_ht_irq(unsigned int irq)
 	write_ht_irq_msg(irq, &msg);
 }
 
+static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
+{
+	unsigned int irq;
+
+	irq = dev->bus->number;
+	irq <<= 8;
+	irq |= dev->devfn;
+	irq <<= 12;
+
+	return irq;
+}
+
 /**
  * __ht_create_irq - create an irq and attach it to a device.
  * @dev: The hypertransport device to find the irq capability on.
@@ -97,7 +109,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
 	u32 data;
 	int max_irq;
 	int pos;
-	int irq;
+	unsigned int irq;
+	unsigned int irq_want;
 
 	pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
 	if (!pos)
@@ -125,8 +138,13 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
 	cfg->msg.address_lo = 0xffffffff;
 	cfg->msg.address_hi = 0xffffffff;
 
+	irq_want= build_irq_for_pci_dev(dev);
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+	irq = create_irq_nr(irq_want + idx);
+#else
 	irq = create_irq();
-	if (irq < 0) {
+#endif
+	if (irq == 0) {
 		kfree(cfg);
 		return -EBUSY;
 	}
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 72dd739a7f8..d68c3592fe4 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -589,7 +589,7 @@ static int show_stat(struct seq_file *p, void *v)
 		}
 
 #ifdef CONFIG_HAVE_SPARSE_IRQ
-		seq_printf(p, " %u:%u", j, per_irq_sum);
+		seq_printf(p, " %#x:%u", j, per_irq_sum);
 #else
 		seq_printf(p, " %u", per_irq_sum);
 #endif
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 788d5a35a58..704136138dc 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -399,6 +399,7 @@ extern void set_irq_noprobe(unsigned int irq);
 extern void set_irq_probe(unsigned int irq);
 
 /* Handle dynamic irq creation and destruction */
+extern unsigned int create_irq_nr(unsigned int irq_want);
 extern int create_irq(void);
 extern void destroy_irq(unsigned int irq);
 
-- 
GitLab


From 8b8e8c1bf7275eca859fe551dfa484134eaf013b Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:23 -0700
Subject: [PATCH 0666/2224] x86: remove irqbalance in kernel for 32 bit

This has been deprecated for years, the user space irqbalanced utility
works better with numa, has configurable policies, etc...

Signed-off-by: Yinghai Lu <yhlu.kernel@gmai.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/Kconfig                |   8 -
 arch/x86/configs/i386_defconfig |   1 -
 arch/x86/kernel/io_apic_32.c    | 402 --------------------------------
 arch/x86/kernel/quirks.c        |   3 -
 include/linux/irq.h             |  14 +-
 kernel/irq/manage.c             |   3 -
 6 files changed, 3 insertions(+), 428 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1004888e9b1..3e0eaaa1a33 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1254,14 +1254,6 @@ config EFI
   	resultant kernel should continue to boot on existing non-EFI
   	platforms.
 
-config IRQBALANCE
-	def_bool y
-	prompt "Enable kernel irq balancing"
-	depends on X86_32 && SMP && X86_IO_APIC
-	help
-	  The default yes will allow the kernel to do irq load balancing.
-	  Saying no will keep the kernel from doing irq load balancing.
-
 config SECCOMP
 	def_bool y
 	prompt "Enable seccomp to safely compute untrusted bytecode"
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 52d0359719d..13b8c86ae98 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -287,7 +287,6 @@ CONFIG_MTRR=y
 # CONFIG_MTRR_SANITIZER is not set
 CONFIG_X86_PAT=y
 CONFIG_EFI=y
-# CONFIG_IRQBALANCE is not set
 CONFIG_SECCOMP=y
 # CONFIG_HZ_100 is not set
 # CONFIG_HZ_250 is not set
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 204884b1415..668edf22606 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -371,408 +371,6 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
-#if defined(CONFIG_IRQBALANCE)
-# include <asm/processor.h>	/* kernel_thread() */
-# include <linux/kernel_stat.h>	/* kstat */
-# include <linux/slab.h>		/* kmalloc() */
-# include <linux/timer.h>
-
-#define IRQBALANCE_CHECK_ARCH -999
-#define MAX_BALANCED_IRQ_INTERVAL	(5*HZ)
-#define MIN_BALANCED_IRQ_INTERVAL	(HZ/2)
-#define BALANCED_IRQ_MORE_DELTA		(HZ/10)
-#define BALANCED_IRQ_LESS_DELTA		(HZ)
-
-static int irqbalance_disabled __read_mostly = IRQBALANCE_CHECK_ARCH;
-static int physical_balance __read_mostly;
-static long balanced_irq_interval __read_mostly = MAX_BALANCED_IRQ_INTERVAL;
-
-static struct irq_cpu_info {
-	unsigned long *last_irq;
-	unsigned long *irq_delta;
-	unsigned long irq;
-} irq_cpu_data[NR_CPUS];
-
-#define CPU_IRQ(cpu)		(irq_cpu_data[cpu].irq)
-#define LAST_CPU_IRQ(cpu, irq)   (irq_cpu_data[cpu].last_irq[irq])
-#define IRQ_DELTA(cpu, irq) 	(irq_cpu_data[cpu].irq_delta[irq])
-
-#define IDLE_ENOUGH(cpu,now) \
-	(idle_cpu(cpu) && ((now) - per_cpu(irq_stat, (cpu)).idle_timestamp > 1))
-
-#define IRQ_ALLOWED(cpu, allowed_mask)	cpu_isset(cpu, allowed_mask)
-
-#define CPU_TO_PACKAGEINDEX(i) (first_cpu(per_cpu(cpu_sibling_map, i)))
-
-static cpumask_t balance_irq_affinity_init __initdata = CPU_MASK_ALL;
-
-static cpumask_t *balance_irq_affinity;
-
-
-static void __init irq_affinity_init_work(void *data)
-{
-	struct dyn_array *da = data;
-
-	int i;
-	struct  balance_irq_affinity *affinity;
-
-	affinity = *da->name;
-
-	for (i = 0; i < *da->nr; i++)
-		memcpy(&affinity[i], &balance_irq_affinity_init,
-			 sizeof(struct balance_irq_affinity));
-
-}
-
-DEFINE_DYN_ARRAY(balance_irq_affinity, sizeof(struct balance_irq_affinity), nr_irqs, PAGE_SIZE, irq_affinity_init_work);
-
-
-void set_balance_irq_affinity(unsigned int irq, cpumask_t mask)
-{
-	balance_irq_affinity[irq] = mask;
-}
-
-static unsigned long move(int curr_cpu, cpumask_t allowed_mask,
-			unsigned long now, int direction)
-{
-	int search_idle = 1;
-	int cpu = curr_cpu;
-
-	goto inside;
-
-	do {
-		if (unlikely(cpu == curr_cpu))
-			search_idle = 0;
-inside:
-		if (direction == 1) {
-			cpu++;
-			if (cpu >= NR_CPUS)
-				cpu = 0;
-		} else {
-			cpu--;
-			if (cpu == -1)
-				cpu = NR_CPUS-1;
-		}
-	} while (!cpu_online(cpu) || !IRQ_ALLOWED(cpu, allowed_mask) ||
-			(search_idle && !IDLE_ENOUGH(cpu, now)));
-
-	return cpu;
-}
-
-static inline void balance_irq(int cpu, int irq)
-{
-	unsigned long now = jiffies;
-	cpumask_t allowed_mask;
-	unsigned int new_cpu;
-
-	if (irqbalance_disabled)
-		return;
-
-	cpus_and(allowed_mask, cpu_online_map, balance_irq_affinity[irq]);
-	new_cpu = move(cpu, allowed_mask, now, 1);
-	if (cpu != new_cpu)
-		set_pending_irq(irq, cpumask_of_cpu(new_cpu));
-}
-
-static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold)
-{
-	int i, j;
-	struct irq_desc *desc;
-
-	for_each_online_cpu(i) {
-		for (j = 0; j < nr_irqs; j++) {
-			desc = irq_to_desc(j);
-			if (!desc->action)
-				continue;
-			/* Is it a significant load ?  */
-			if (IRQ_DELTA(CPU_TO_PACKAGEINDEX(i), j) <
-						useful_load_threshold)
-				continue;
-			balance_irq(i, j);
-		}
-	}
-	balanced_irq_interval = max((long)MIN_BALANCED_IRQ_INTERVAL,
-		balanced_irq_interval - BALANCED_IRQ_LESS_DELTA);
-	return;
-}
-
-static void do_irq_balance(void)
-{
-	int i, j;
-	unsigned long max_cpu_irq = 0, min_cpu_irq = (~0);
-	unsigned long move_this_load = 0;
-	int max_loaded = 0, min_loaded = 0;
-	int load;
-	unsigned long useful_load_threshold = balanced_irq_interval + 10;
-	int selected_irq;
-	int tmp_loaded, first_attempt = 1;
-	unsigned long tmp_cpu_irq;
-	unsigned long imbalance = 0;
-	cpumask_t allowed_mask, target_cpu_mask, tmp;
-	struct irq_desc *desc;
-
-	for_each_possible_cpu(i) {
-		int package_index;
-		CPU_IRQ(i) = 0;
-		if (!cpu_online(i))
-			continue;
-		package_index = CPU_TO_PACKAGEINDEX(i);
-		for (j = 0; j < nr_irqs; j++) {
-			unsigned long value_now, delta;
-			/* Is this an active IRQ or balancing disabled ? */
-			desc = irq_to_desc(j);
-			if (!desc->action || irq_balancing_disabled(j))
-				continue;
-			if (package_index == i)
-				IRQ_DELTA(package_index, j) = 0;
-			/* Determine the total count per processor per IRQ */
-			value_now = (unsigned long) kstat_irqs_cpu(j, i);
-
-			/* Determine the activity per processor per IRQ */
-			delta = value_now - LAST_CPU_IRQ(i, j);
-
-			/* Update last_cpu_irq[][] for the next time */
-			LAST_CPU_IRQ(i, j) = value_now;
-
-			/* Ignore IRQs whose rate is less than the clock */
-			if (delta < useful_load_threshold)
-				continue;
-			/* update the load for the processor or package total */
-			IRQ_DELTA(package_index, j) += delta;
-
-			/* Keep track of the higher numbered sibling as well */
-			if (i != package_index)
-				CPU_IRQ(i) += delta;
-			/*
-			 * We have sibling A and sibling B in the package
-			 *
-			 * cpu_irq[A] = load for cpu A + load for cpu B
-			 * cpu_irq[B] = load for cpu B
-			 */
-			CPU_IRQ(package_index) += delta;
-		}
-	}
-	/* Find the least loaded processor package */
-	for_each_online_cpu(i) {
-		if (i != CPU_TO_PACKAGEINDEX(i))
-			continue;
-		if (min_cpu_irq > CPU_IRQ(i)) {
-			min_cpu_irq = CPU_IRQ(i);
-			min_loaded = i;
-		}
-	}
-	max_cpu_irq = ULONG_MAX;
-
-tryanothercpu:
-	/*
-	 * Look for heaviest loaded processor.
-	 * We may come back to get the next heaviest loaded processor.
-	 * Skip processors with trivial loads.
-	 */
-	tmp_cpu_irq = 0;
-	tmp_loaded = -1;
-	for_each_online_cpu(i) {
-		if (i != CPU_TO_PACKAGEINDEX(i))
-			continue;
-		if (max_cpu_irq <= CPU_IRQ(i))
-			continue;
-		if (tmp_cpu_irq < CPU_IRQ(i)) {
-			tmp_cpu_irq = CPU_IRQ(i);
-			tmp_loaded = i;
-		}
-	}
-
-	if (tmp_loaded == -1) {
-	 /*
-	  * In the case of small number of heavy interrupt sources,
-	  * loading some of the cpus too much. We use Ingo's original
-	  * approach to rotate them around.
-	  */
-		if (!first_attempt && imbalance >= useful_load_threshold) {
-			rotate_irqs_among_cpus(useful_load_threshold);
-			return;
-		}
-		goto not_worth_the_effort;
-	}
-
-	first_attempt = 0;		/* heaviest search */
-	max_cpu_irq = tmp_cpu_irq;	/* load */
-	max_loaded = tmp_loaded;	/* processor */
-	imbalance = (max_cpu_irq - min_cpu_irq) / 2;
-
-	/*
-	 * if imbalance is less than approx 10% of max load, then
-	 * observe diminishing returns action. - quit
-	 */
-	if (imbalance < (max_cpu_irq >> 3))
-		goto not_worth_the_effort;
-
-tryanotherirq:
-	/* if we select an IRQ to move that can't go where we want, then
-	 * see if there is another one to try.
-	 */
-	move_this_load = 0;
-	selected_irq = -1;
-	for (j = 0; j < nr_irqs; j++) {
-		/* Is this an active IRQ? */
-		desc = irq_to_desc(j);
-		if (!desc->action)
-			continue;
-		if (imbalance <= IRQ_DELTA(max_loaded, j))
-			continue;
-		/* Try to find the IRQ that is closest to the imbalance
-		 * without going over.
-		 */
-		if (move_this_load < IRQ_DELTA(max_loaded, j)) {
-			move_this_load = IRQ_DELTA(max_loaded, j);
-			selected_irq = j;
-		}
-	}
-	if (selected_irq == -1)
-		goto tryanothercpu;
-
-	imbalance = move_this_load;
-
-	/* For physical_balance case, we accumulated both load
-	 * values in the one of the siblings cpu_irq[],
-	 * to use the same code for physical and logical processors
-	 * as much as possible.
-	 *
-	 * NOTE: the cpu_irq[] array holds the sum of the load for
-	 * sibling A and sibling B in the slot for the lowest numbered
-	 * sibling (A), _AND_ the load for sibling B in the slot for
-	 * the higher numbered sibling.
-	 *
-	 * We seek the least loaded sibling by making the comparison
-	 * (A+B)/2 vs B
-	 */
-	load = CPU_IRQ(min_loaded) >> 1;
-	for_each_cpu_mask(j, per_cpu(cpu_sibling_map, min_loaded)) {
-		if (load > CPU_IRQ(j)) {
-			/* This won't change cpu_sibling_map[min_loaded] */
-			load = CPU_IRQ(j);
-			min_loaded = j;
-		}
-	}
-
-	cpus_and(allowed_mask,
-		cpu_online_map,
-		balance_irq_affinity[selected_irq]);
-	target_cpu_mask = cpumask_of_cpu(min_loaded);
-	cpus_and(tmp, target_cpu_mask, allowed_mask);
-
-	if (!cpus_empty(tmp)) {
-		/* mark for change destination */
-		set_pending_irq(selected_irq, cpumask_of_cpu(min_loaded));
-
-		/* Since we made a change, come back sooner to
-		 * check for more variation.
-		 */
-		balanced_irq_interval = max((long)MIN_BALANCED_IRQ_INTERVAL,
-			balanced_irq_interval - BALANCED_IRQ_LESS_DELTA);
-		return;
-	}
-	goto tryanotherirq;
-
-not_worth_the_effort:
-	/*
-	 * if we did not find an IRQ to move, then adjust the time interval
-	 * upward
-	 */
-	balanced_irq_interval = min((long)MAX_BALANCED_IRQ_INTERVAL,
-		balanced_irq_interval + BALANCED_IRQ_MORE_DELTA);
-	return;
-}
-
-static int balanced_irq(void *unused)
-{
-	int i;
-	unsigned long prev_balance_time = jiffies;
-	long time_remaining = balanced_irq_interval;
-	struct irq_desc *desc;
-
-	/* push everything to CPU 0 to give us a starting point.  */
-	for (i = 0 ; i < nr_irqs ; i++) {
-		desc = irq_to_desc(i);
-		desc->pending_mask = cpumask_of_cpu(0);
-		set_pending_irq(i, cpumask_of_cpu(0));
-	}
-
-	set_freezable();
-	for ( ; ; ) {
-		time_remaining = schedule_timeout_interruptible(time_remaining);
-		try_to_freeze();
-		if (time_after(jiffies,
-				prev_balance_time+balanced_irq_interval)) {
-			preempt_disable();
-			do_irq_balance();
-			prev_balance_time = jiffies;
-			time_remaining = balanced_irq_interval;
-			preempt_enable();
-		}
-	}
-	return 0;
-}
-
-static int __init balanced_irq_init(void)
-{
-	int i;
-	struct cpuinfo_x86 *c;
-	cpumask_t tmp;
-
-	cpus_shift_right(tmp, cpu_online_map, 2);
-	c = &boot_cpu_data;
-	/* When not overwritten by the command line ask subarchitecture. */
-	if (irqbalance_disabled == IRQBALANCE_CHECK_ARCH)
-		irqbalance_disabled = NO_BALANCE_IRQ;
-	if (irqbalance_disabled)
-		return 0;
-
-	 /* disable irqbalance completely if there is only one processor online */
-	if (num_online_cpus() < 2) {
-		irqbalance_disabled = 1;
-		return 0;
-	}
-	/*
-	 * Enable physical balance only if more than 1 physical processor
-	 * is present
-	 */
-	if (smp_num_siblings > 1 && !cpus_empty(tmp))
-		physical_balance = 1;
-
-	for_each_online_cpu(i) {
-		irq_cpu_data[i].irq_delta = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL);
-		irq_cpu_data[i].last_irq = kzalloc(sizeof(unsigned long) * nr_irqs, GFP_KERNEL);
-		if (irq_cpu_data[i].irq_delta == NULL || irq_cpu_data[i].last_irq == NULL) {
-			printk(KERN_ERR "balanced_irq_init: out of memory");
-			goto failed;
-		}
-	}
-
-	printk(KERN_INFO "Starting balanced_irq\n");
-	if (!IS_ERR(kthread_run(balanced_irq, NULL, "kirqd")))
-		return 0;
-	printk(KERN_ERR "balanced_irq_init: failed to spawn balanced_irq");
-failed:
-	for_each_possible_cpu(i) {
-		kfree(irq_cpu_data[i].irq_delta);
-		irq_cpu_data[i].irq_delta = NULL;
-		kfree(irq_cpu_data[i].last_irq);
-		irq_cpu_data[i].last_irq = NULL;
-	}
-	return 0;
-}
-
-int __devinit irqbalance_disable(char *str)
-{
-	irqbalance_disabled = 1;
-	return 1;
-}
-
-__setup("noirqbalance", irqbalance_disable);
-
-late_initcall(balanced_irq_init);
-#endif /* CONFIG_IRQBALANCE */
 #endif /* CONFIG_SMP */
 
 #ifndef CONFIG_SMP
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index f6a11b9b1f9..67465ed8931 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -35,9 +35,6 @@ static void __devinit quirk_intel_irqbalance(struct pci_dev *dev)
 	if (!(word & (1 << 13))) {
 		dev_info(&dev->dev, "Intel E7520/7320/7525 detected; "
 			"disabling irq balancing and affinity\n");
-#ifdef CONFIG_IRQBALANCE
-		irqbalance_disable("");
-#endif
 		noirqdebug_setup("");
 #ifdef CONFIG_PROC_FS
 		no_irq_affinity = 1;
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 704136138dc..2445d2b3d5d 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -185,7 +185,7 @@ struct irq_desc {
 	cpumask_t		affinity;
 	unsigned int		cpu;
 #endif
-#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
+#ifdef CONFIG_GENERIC_PENDING_IRQ
 	cpumask_t		pending_mask;
 #endif
 #ifdef CONFIG_PROC_FS
@@ -241,13 +241,13 @@ extern int setup_irq(unsigned int irq, struct irqaction *new);
 
 #ifdef CONFIG_SMP
 
-#if defined(CONFIG_GENERIC_PENDING_IRQ) || defined(CONFIG_IRQBALANCE)
+#ifdef CONFIG_GENERIC_PENDING_IRQ
 
 void set_pending_irq(unsigned int irq, cpumask_t mask);
 void move_native_irq(int irq);
 void move_masked_irq(int irq);
 
-#else /* CONFIG_GENERIC_PENDING_IRQ || CONFIG_IRQBALANCE */
+#else /* CONFIG_GENERIC_PENDING_IRQ */
 
 static inline void move_irq(int irq)
 {
@@ -274,14 +274,6 @@ static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
 
 #endif /* CONFIG_SMP */
 
-#ifdef CONFIG_IRQBALANCE
-extern void set_balance_irq_affinity(unsigned int irq, cpumask_t mask);
-#else
-static inline void set_balance_irq_affinity(unsigned int irq, cpumask_t mask)
-{
-}
-#endif
-
 extern int no_irq_affinity;
 
 static inline int irq_balancing_disabled(unsigned int irq)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 6df49218632..ddc956861a5 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -86,8 +86,6 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
 	if (!desc->chip->set_affinity)
 		return -EINVAL;
 
-	set_balance_irq_affinity(irq, cpumask);
-
 #ifdef CONFIG_GENERIC_PENDING_IRQ
 	if (desc->status & IRQ_MOVE_PCNTXT) {
 		unsigned long flags;
@@ -122,7 +120,6 @@ int irq_select_affinity(unsigned int irq)
 	desc->affinity = mask;
 	desc->chip->set_affinity(irq, mask);
 
-	set_balance_irq_affinity(irq, mask);
 	return 0;
 }
 #endif
-- 
GitLab


From a1420f395d7721895c05ba3dedf150294d2c0e4d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:24 -0700
Subject: [PATCH 0667/2224] x86: add irq_cfg for 32bit

it only contains vector ...

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 71 +++++++++++++++++++++++-------------
 1 file changed, 46 insertions(+), 25 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 668edf22606..033ad953bee 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -94,6 +94,43 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 
 static int disable_timer_pin_1 __initdata;
 
+struct irq_cfg {
+	u8 vector;
+};
+
+
+/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
+static struct irq_cfg irq_cfg_legacy[] __initdata = {
+	[0] = { .vector = FIRST_DEVICE_VECTOR,  },
+};
+
+static void __init init_work(void *data)
+{
+        struct dyn_array *da = data;
+        struct irq_cfg *cfg;
+        int legacy_count;
+        int i;
+
+        cfg = *da->name;
+
+        legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
+
+	BUG_ON(legacy_count > nr_irqs);
+
+        memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
+}
+
+static struct irq_cfg *irq_cfgx;
+DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work);
+
+static struct irq_cfg *irq_cfg(unsigned int irq)
+{
+	if (irq >= nr_irqs)
+		return NULL;
+
+	return &irq_cfgx[irq];
+}
+
 /*
  * Rough estimation of how many shared IRQs there are, can
  * be changed anytime.
@@ -794,22 +831,6 @@ static inline int IO_APIC_irq_trigger(int irq)
 	return 0;
 }
 
-/* irq_vectors is indexed by the sum of all RTEs in all I/O APICs. */
-static u8 irq_vector_init_first __initdata = FIRST_DEVICE_VECTOR;
-static u8 *irq_vector;
-
-static void __init irq_vector_init_work(void *data)
-{
-	struct dyn_array *da = data;
-
-	u8 *irq_vec;
-
-	irq_vec = *da->name;
-
-	irq_vec[0] = irq_vector_init_first;
-}
-
-DEFINE_DYN_ARRAY(irq_vector, sizeof(u8), nr_irqs, PAGE_SIZE, irq_vector_init_work);
 
 static int __assign_irq_vector(int irq)
 {
@@ -818,8 +839,8 @@ static int __assign_irq_vector(int irq)
 
 	BUG_ON((unsigned)irq >= nr_irqs);
 
-	if (irq_vector[irq] > 0)
-		return irq_vector[irq];
+	if (irq_cfg(irq)->vector > 0)
+		return irq_cfg(irq)->vector;
 
 	vector = current_vector;
 	offset = current_offset;
@@ -836,7 +857,7 @@ next:
 
 	current_vector = vector;
 	current_offset = offset;
-	irq_vector[irq] = vector;
+	irq_cfg(irq)->vector = vector;
 
 	return vector;
 }
@@ -1598,7 +1619,7 @@ static void ack_ioapic_quirk_irq(unsigned int irq)
  * operation to prevent an edge-triggered interrupt escaping meanwhile.
  * The idea is from Manfred Spraul.  --macro
  */
-	i = irq_vector[irq];
+	i = irq_cfg(irq)->vector;
 
 	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
 
@@ -1615,7 +1636,7 @@ static void ack_ioapic_quirk_irq(unsigned int irq)
 
 static int ioapic_retrigger_irq(unsigned int irq)
 {
-	send_IPI_self(irq_vector[irq]);
+	send_IPI_self(irq_cfg(irq)->vector);
 
 	return 1;
 }
@@ -1651,7 +1672,7 @@ static inline void init_IO_APIC_traps(void)
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
 	for (irq = 0; irq < nr_irqs ; irq++) {
-		if (IO_APIC_IRQ(irq) && !irq_vector[irq]) {
+		if (IO_APIC_IRQ(irq) && !irq_cfg(irq)->vector) {
 			/*
 			 * Hmm.. We don't have an entry for this,
 			 * so default to an old-fashioned 8259
@@ -2102,7 +2123,7 @@ int create_irq(void)
 	for (new = (nr_irqs - 1); new >= 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
-		if (irq_vector[new] != 0)
+		if (irq_cfg(new)->vector != 0)
 			continue;
 		vector = __assign_irq_vector(new);
 		if (likely(vector > 0))
@@ -2125,8 +2146,8 @@ void destroy_irq(unsigned int irq)
 	dynamic_irq_cleanup(irq);
 
 	spin_lock_irqsave(&vector_lock, flags);
-	clear_bit(irq_vector[irq], used_vectors);
-	irq_vector[irq] = 0;
+	clear_bit(irq_cfg(irq)->vector, used_vectors);
+	irq_cfg(irq)->vector = 0;
 	spin_unlock_irqrestore(&vector_lock, flags);
 }
 
-- 
GitLab


From da51a821314dd0ec7126f2bf9a62117146fbb6b9 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:25 -0700
Subject: [PATCH 0668/2224] x86: make 32bit use irq_cfg_alloc, etc

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 180 +++++++++++++++++++++++++++++++----
 1 file changed, 160 insertions(+), 20 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 033ad953bee..5a83d7f5b14 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -94,41 +94,172 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 
 static int disable_timer_pin_1 __initdata;
 
+struct irq_cfg;
+
 struct irq_cfg {
+	unsigned int irq;
+	struct irq_cfg *next;
 	u8 vector;
 };
 
 
 /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
 static struct irq_cfg irq_cfg_legacy[] __initdata = {
-	[0] = { .vector = FIRST_DEVICE_VECTOR,  },
+	[0]  = { .irq =  0, .vector = IRQ0_VECTOR,  },
+	[1]  = { .irq =  1, .vector = IRQ1_VECTOR,  },
+	[2]  = { .irq =  2, .vector = IRQ2_VECTOR,  },
+	[3]  = { .irq =  3, .vector = IRQ3_VECTOR,  },
+	[4]  = { .irq =  4, .vector = IRQ4_VECTOR,  },
+	[5]  = { .irq =  5, .vector = IRQ5_VECTOR,  },
+	[6]  = { .irq =  6, .vector = IRQ6_VECTOR,  },
+	[7]  = { .irq =  7, .vector = IRQ7_VECTOR,  },
+	[8]  = { .irq =  8, .vector = IRQ8_VECTOR,  },
+	[9]  = { .irq =  9, .vector = IRQ9_VECTOR,  },
+	[10] = { .irq = 10, .vector = IRQ10_VECTOR, },
+	[11] = { .irq = 11, .vector = IRQ11_VECTOR, },
+	[12] = { .irq = 12, .vector = IRQ12_VECTOR, },
+	[13] = { .irq = 13, .vector = IRQ13_VECTOR, },
+	[14] = { .irq = 14, .vector = IRQ14_VECTOR, },
+	[15] = { .irq = 15, .vector = IRQ15_VECTOR, },
 };
 
+static struct irq_cfg irq_cfg_init = { .irq =  -1U, };
+/* need to be biger than size of irq_cfg_legacy */
+static int nr_irq_cfg = 32;
+
+static int __init parse_nr_irq_cfg(char *arg)
+{
+	if (arg) {
+		nr_irq_cfg = simple_strtoul(arg, NULL, 0);
+		if (nr_irq_cfg < 32)
+			nr_irq_cfg = 32;
+	}
+	return 0;
+}
+
+early_param("nr_irq_cfg", parse_nr_irq_cfg);
+
+static void init_one_irq_cfg(struct irq_cfg *cfg)
+{
+	memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg));
+}
+
+static struct irq_cfg *irq_cfgx;
+static struct irq_cfg *irq_cfgx_free;
 static void __init init_work(void *data)
 {
-        struct dyn_array *da = data;
-        struct irq_cfg *cfg;
-        int legacy_count;
-        int i;
+	struct dyn_array *da = data;
+	struct irq_cfg *cfg;
+	int legacy_count;
+	int i;
+
+	cfg = *da->name;
 
-        cfg = *da->name;
+	memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
 
-        legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
+	legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
+	for (i = legacy_count; i < *da->nr; i++)
+		init_one_irq_cfg(&cfg[i]);
 
-	BUG_ON(legacy_count > nr_irqs);
+	for (i = 1; i < *da->nr; i++)
+		cfg[i-1].next = &cfg[i];
 
-        memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
+	irq_cfgx_free = &irq_cfgx[legacy_count];
+	irq_cfgx[legacy_count - 1].next = NULL;
 }
 
-static struct irq_cfg *irq_cfgx;
-DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work);
+#define for_each_irq_cfg(cfg)           \
+	for (cfg = irq_cfgx; cfg; cfg = cfg->next)
+
+DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
 
 static struct irq_cfg *irq_cfg(unsigned int irq)
 {
-	if (irq >= nr_irqs)
-		return NULL;
+	struct irq_cfg *cfg;
+
+	cfg = irq_cfgx;
+	while (cfg) {
+		if (cfg->irq == irq)
+			return cfg;
 
-	return &irq_cfgx[irq];
+		cfg = cfg->next;
+	}
+
+	return NULL;
+}
+
+static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
+{
+	struct irq_cfg *cfg, *cfg_pri;
+	int i;
+	int count = 0;
+
+	cfg_pri = cfg = irq_cfgx;
+	while (cfg) {
+		if (cfg->irq == irq)
+			return cfg;
+
+		cfg_pri = cfg;
+		cfg = cfg->next;
+		count++;
+	}
+
+	if (!irq_cfgx_free) {
+		unsigned long phys;
+		unsigned long total_bytes;
+		/*
+		 *  we run out of pre-allocate ones, allocate more
+		 */
+		printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg);
+
+		total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg;
+		if (after_bootmem)
+			cfg = kzalloc(total_bytes, GFP_ATOMIC);
+		else
+			cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
+
+		if (!cfg)
+			panic("please boot with nr_irq_cfg= %d\n", count * 2);
+
+		phys = __pa(cfg);
+		printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
+
+		for (i = 0; i < nr_irq_cfg; i++)
+			init_one_irq_cfg(&cfg[i]);
+
+		for (i = 1; i < nr_irq_cfg; i++)
+			cfg[i-1].next = &cfg[i];
+
+		irq_cfgx_free = cfg;
+	}
+
+	cfg = irq_cfgx_free;
+	irq_cfgx_free = irq_cfgx_free->next;
+	cfg->next = NULL;
+	if (cfg_pri)
+		cfg_pri->next = cfg;
+	else
+		irq_cfgx = cfg;
+	cfg->irq = irq;
+	printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq);
+
+#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
+	{
+		/* dump the results */
+		struct irq_cfg *cfg;
+		unsigned long phys;
+		unsigned long bytes = sizeof(struct irq_cfg);
+
+		printk(KERN_DEBUG "=========================== %d\n", irq);
+		printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq);
+		for_each_irq_cfg(cfg) {
+			phys = __pa(cfg);
+			printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes);
+		}
+		printk(KERN_DEBUG "===========================\n");
+	}
+#endif
+	return cfg;
 }
 
 /*
@@ -254,6 +385,7 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 {
 	struct irq_pin_list *entry = irq_2_pin + irq;
 
+	irq_cfg_alloc(irq);
 	while (entry->next)
 		entry = irq_2_pin + entry->next;
 
@@ -836,11 +968,13 @@ static int __assign_irq_vector(int irq)
 {
 	static int current_vector = FIRST_DEVICE_VECTOR, current_offset;
 	int vector, offset;
+	struct irq_cfg *cfg;
 
 	BUG_ON((unsigned)irq >= nr_irqs);
 
-	if (irq_cfg(irq)->vector > 0)
-		return irq_cfg(irq)->vector;
+	cfg = irq_cfg(irq);
+	if (cfg->vector > 0)
+		return cfg->vector;
 
 	vector = current_vector;
 	offset = current_offset;
@@ -857,7 +991,7 @@ next:
 
 	current_vector = vector;
 	current_offset = offset;
-	irq_cfg(irq)->vector = vector;
+	cfg->vector = vector;
 
 	return vector;
 }
@@ -1659,6 +1793,7 @@ static inline void init_IO_APIC_traps(void)
 {
 	int irq;
 	struct irq_desc *desc;
+	struct irq_cfg *cfg;
 
 	/*
 	 * NOTE! The local APIC isn't very good at handling
@@ -1671,8 +1806,9 @@ static inline void init_IO_APIC_traps(void)
 	 * Also, we've got to be careful not to trash gate
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
-	for (irq = 0; irq < nr_irqs ; irq++) {
-		if (IO_APIC_IRQ(irq) && !irq_cfg(irq)->vector) {
+	for_each_irq_cfg(cfg) {
+		irq = cfg->irq;
+		if (IO_APIC_IRQ(irq) && !cfg->vector) {
 			/*
 			 * Hmm.. We don't have an entry for this,
 			 * so default to an old-fashioned 8259
@@ -2117,14 +2253,18 @@ int create_irq(void)
 	/* Allocate an unused irq */
 	int irq, new, vector = 0;
 	unsigned long flags;
+	struct irq_cfg *cfg_new;
 
 	irq = -ENOSPC;
 	spin_lock_irqsave(&vector_lock, flags);
 	for (new = (nr_irqs - 1); new >= 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
-		if (irq_cfg(new)->vector != 0)
+		cfg_new = irq_cfg(new);
+		if (cfg_new && cfg_new->vector != 0)
 			continue;
+		if (!cfg_new)
+			cfg_new = irq_cfg_alloc(new);
 		vector = __assign_irq_vector(new);
 		if (likely(vector > 0))
 			irq = new;
-- 
GitLab


From 0f978f4505e96227a89b3c9447552aca983c6b57 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:26 -0700
Subject: [PATCH 0669/2224] x86: make 32bit to use irq_2_pin in irq_cfg

so it is more like 64 bit.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 152 +++++++++++++++++++++++++++--------
 1 file changed, 117 insertions(+), 35 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 5a83d7f5b14..59d2e8a273e 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -95,10 +95,11 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 static int disable_timer_pin_1 __initdata;
 
 struct irq_cfg;
-
+struct irq_pin_list;
 struct irq_cfg {
 	unsigned int irq;
 	struct irq_cfg *next;
+	struct irq_pin_list *irq_2_pin;
 	u8 vector;
 };
 
@@ -275,11 +276,66 @@ int pin_map_size;
  * between pins and IRQs.
  */
 
-static struct irq_pin_list {
-	int apic, pin, next;
-} *irq_2_pin;
+struct irq_pin_list {
+	int apic, pin;
+	struct irq_pin_list *next;
+};
+
+static struct irq_pin_list *irq_2_pin_head;
+/* fill one page ? */
+static int nr_irq_2_pin = 0x100;
+static struct irq_pin_list *irq_2_pin_ptr;
+static void __init irq_2_pin_init_work(void *data)
+{
+	struct dyn_array *da = data;
+	struct irq_pin_list *pin;
+	int i;
+
+	pin = *da->name;
+
+	for (i = 1; i < *da->nr; i++)
+		pin[i-1].next = &pin[i];
+
+	irq_2_pin_ptr = &pin[0];
+}
+DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work);
+
+static struct irq_pin_list *get_one_free_irq_2_pin(void)
+{
+	struct irq_pin_list *pin;
+	int i;
+
+	pin = irq_2_pin_ptr;
+
+	if (pin) {
+		irq_2_pin_ptr = pin->next;
+		pin->next = NULL;
+		return pin;
+	}
+
+	/*
+	 *  we run out of pre-allocate ones, allocate more
+	 */
+	printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin);
+
+	if (after_bootmem)
+		pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin,
+				 GFP_ATOMIC);
+	else
+		pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) *
+				nr_irq_2_pin, PAGE_SIZE, 0);
+
+	if (!pin)
+		panic("can not get more irq_2_pin\n");
 
-DEFINE_DYN_ARRAY(irq_2_pin, sizeof(struct irq_pin_list), pin_map_size, 16, NULL);
+	for (i = 1; i < nr_irq_2_pin; i++)
+		pin[i-1].next = &pin[i];
+
+	irq_2_pin_ptr = pin->next;
+	pin->next = NULL;
+
+	return pin;
+}
 
 struct io_apic {
 	unsigned int index;
@@ -383,20 +439,34 @@ static void ioapic_mask_entry(int apic, int pin)
  */
 static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 {
-	struct irq_pin_list *entry = irq_2_pin + irq;
+	struct irq_cfg *cfg;
+	struct irq_pin_list *entry;
+
+	/* first time to refer irq_cfg, so with new */
+	cfg = irq_cfg_alloc(irq);
+	entry = cfg->irq_2_pin;
+	if (!entry) {
+		entry = get_one_free_irq_2_pin();
+		cfg->irq_2_pin = entry;
+		entry->apic = apic;
+		entry->pin = pin;
+		printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
+		return;
+	}
 
-	irq_cfg_alloc(irq);
-	while (entry->next)
-		entry = irq_2_pin + entry->next;
+	while (entry->next) {
+		/* not again, please */
+		if (entry->apic == apic && entry->pin == pin)
+			return;
 
-	if (entry->pin != -1) {
-		entry->next = first_free_entry;
-		entry = irq_2_pin + entry->next;
-		if (++first_free_entry >= pin_map_size)
-			panic("io_apic.c: whoops");
+		entry = entry->next;
 	}
+
+	entry->next = get_one_free_irq_2_pin();
+	entry = entry->next;
 	entry->apic = apic;
 	entry->pin = pin;
+	printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
 }
 
 /*
@@ -406,35 +476,45 @@ static void __init replace_pin_at_irq(unsigned int irq,
 				      int oldapic, int oldpin,
 				      int newapic, int newpin)
 {
-	struct irq_pin_list *entry = irq_2_pin + irq;
+	struct irq_cfg *cfg = irq_cfg(irq);
+	struct irq_pin_list *entry = cfg->irq_2_pin;
+	int replaced = 0;
 
-	while (1) {
+	while (entry) {
 		if (entry->apic == oldapic && entry->pin == oldpin) {
 			entry->apic = newapic;
 			entry->pin = newpin;
-		}
-		if (!entry->next)
+			replaced = 1;
+			/* every one is different, right? */
 			break;
-		entry = irq_2_pin + entry->next;
+		}
+		entry = entry->next;
 	}
+
+	/* why? call replace before add? */
+	if (!replaced)
+		add_pin_to_irq(irq, newapic, newpin);
 }
 
 static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable)
 {
-	struct irq_pin_list *entry = irq_2_pin + irq;
+	struct irq_cfg *cfg;
+	struct irq_pin_list *entry;
 	unsigned int pin, reg;
 
+	cfg = irq_cfg(irq);
+	entry = cfg->irq_2_pin;
 	for (;;) {
-		pin = entry->pin;
-		if (pin == -1)
+		if (!entry)
 			break;
+		pin = entry->pin;
 		reg = io_apic_read(entry->apic, 0x10 + pin*2);
 		reg &= ~disable;
 		reg |= enable;
 		io_apic_modify(entry->apic, 0x10 + pin*2, reg);
 		if (!entry->next)
 			break;
-		entry = irq_2_pin + entry->next;
+		entry = entry->next;
 	}
 }
 
@@ -509,13 +589,18 @@ static void clear_IO_APIC(void)
 #ifdef CONFIG_SMP
 static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 {
+	struct irq_cfg *cfg;
 	unsigned long flags;
 	int pin;
-	struct irq_pin_list *entry = irq_2_pin + irq;
+	struct irq_pin_list *entry;
 	unsigned int apicid_value;
 	cpumask_t tmp;
 	struct irq_desc *desc;
 
+
+	cfg = irq_cfg(irq);
+	entry = cfg->irq_2_pin;
+
 	cpus_and(tmp, cpumask, cpu_online_map);
 	if (cpus_empty(tmp))
 		tmp = TARGET_CPUS;
@@ -527,13 +612,13 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 	apicid_value = apicid_value << 24;
 	spin_lock_irqsave(&ioapic_lock, flags);
 	for (;;) {
-		pin = entry->pin;
-		if (pin == -1)
+		if (!entry)
 			break;
+		pin = entry->pin;
 		io_apic_write(entry->apic, 0x10 + 1 + pin*2, apicid_value);
 		if (!entry->next)
 			break;
-		entry = irq_2_pin + entry->next;
+		entry = entry->next;
 	}
 	desc = irq_to_desc(irq);
 	desc->affinity = cpumask;
@@ -1152,6 +1237,7 @@ __apicdebuginit(void) print_IO_APIC(void)
 	union IO_APIC_reg_02 reg_02;
 	union IO_APIC_reg_03 reg_03;
 	unsigned long flags;
+	struct irq_cfg *cfg;
 
 	if (apic_verbosity == APIC_QUIET)
 		return;
@@ -1240,16 +1326,16 @@ __apicdebuginit(void) print_IO_APIC(void)
 	}
 	}
 	printk(KERN_DEBUG "IRQ to pin mappings:\n");
-	for (i = 0; i < nr_irqs; i++) {
-		struct irq_pin_list *entry = irq_2_pin + i;
-		if (entry->pin < 0)
+	for_each_irq_cfg(cfg) {
+		struct irq_pin_list *entry = cfg->irq_2_pin;
+		if (!entry)
 			continue;
 		printk(KERN_DEBUG "IRQ%d ", i);
 		for (;;) {
 			printk("-> %d:%d", entry->apic, entry->pin);
 			if (!entry->next)
 				break;
-			entry = irq_2_pin + entry->next;
+			entry = entry->next;
 		}
 		printk("\n");
 	}
@@ -1420,10 +1506,6 @@ static void __init enable_IO_APIC(void)
 	int i, apic;
 	unsigned long flags;
 
-	for (i = 0; i < pin_map_size; i++) {
-		irq_2_pin[i].pin = -1;
-		irq_2_pin[i].next = 0;
-	}
 	if (!pirqs_enabled)
 		for (i = 0; i < MAX_PIRQS; i++)
 			pirq_entries[i] = -1;
-- 
GitLab


From 199751d715bba5b469ea22adadc68a4166bfa4f5 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:27 -0700
Subject: [PATCH 0670/2224] x86: make 32 bit to use sparse_irq

but actually irq still needs to be less than NR_IRQS, because
interrupt[NR_IRQS] in entry.S.

need to enable per_cpu vector...

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/Kconfig             |  2 +-
 arch/x86/kernel/io_apic_32.c | 63 ++++++++++++++++++++++++------------
 arch/x86/kernel/irq_32.c     | 37 +++++++++++++++------
 arch/x86/kernel/irqinit_32.c |  7 ++++
 4 files changed, 79 insertions(+), 30 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 3e0eaaa1a33..b157e94637b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -34,7 +34,7 @@ config X86
 	select HAVE_GENERIC_DMA_COHERENT if X86_32
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 	select HAVE_DYN_ARRAY
-	select HAVE_SPARSE_IRQ if X86_64
+	select HAVE_SPARSE_IRQ
 
 config ARCH_DEFCONFIG
 	string
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 59d2e8a273e..66c0a91362a 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -595,7 +595,6 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 	struct irq_pin_list *entry;
 	unsigned int apicid_value;
 	cpumask_t tmp;
-	struct irq_desc *desc;
 
 
 	cfg = irq_cfg(irq);
@@ -620,8 +619,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
 			break;
 		entry = entry->next;
 	}
-	desc = irq_to_desc(irq);
-	desc->affinity = cpumask;
+	irq_to_desc(irq)->affinity = cpumask;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
@@ -1055,8 +1053,6 @@ static int __assign_irq_vector(int irq)
 	int vector, offset;
 	struct irq_cfg *cfg;
 
-	BUG_ON((unsigned)irq >= nr_irqs);
-
 	cfg = irq_cfg(irq);
 	if (cfg->vector > 0)
 		return cfg->vector;
@@ -1103,7 +1099,12 @@ static void ioapic_register_intr(int irq, int vector, unsigned long trigger)
 {
 	struct irq_desc *desc;
 
-	desc = irq_to_desc(irq);
+	/* first time to use this irq_desc */
+	if (irq < 16)
+		desc = irq_to_desc(irq);
+	else
+		desc = irq_to_desc_alloc(irq);
+
 	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
 	    trigger == IOAPIC_LEVEL) {
 		desc->status |= IRQ_LEVEL;
@@ -2330,16 +2331,19 @@ device_initcall(ioapic_init_sysfs);
 /*
  * Dynamic irq allocate and deallocation
  */
-int create_irq(void)
+unsigned int create_irq_nr(unsigned int irq_want)
 {
 	/* Allocate an unused irq */
-	int irq, new, vector = 0;
+	unsigned int irq, new, vector = 0;
 	unsigned long flags;
 	struct irq_cfg *cfg_new;
 
-	irq = -ENOSPC;
+	/* only can use bus/dev/fn.. when per_cpu vector is used */
+	irq_want = nr_irqs - 1;
+
+	irq = 0;
 	spin_lock_irqsave(&vector_lock, flags);
-	for (new = (nr_irqs - 1); new >= 0; new--) {
+	for (new = (nr_irqs - 1); new > 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
 		cfg_new = irq_cfg(new);
@@ -2354,13 +2358,18 @@ int create_irq(void)
 	}
 	spin_unlock_irqrestore(&vector_lock, flags);
 
-	if (irq >= 0) {
+	if (irq > 0) {
 		set_intr_gate(vector, interrupt[irq]);
 		dynamic_irq_init(irq);
 	}
 	return irq;
 }
 
+int create_irq(void)
+{
+	return create_irq_nr(nr_irqs - 1);
+}
+
 void destroy_irq(unsigned int irq)
 {
 	unsigned long flags;
@@ -2415,7 +2424,6 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	unsigned int dest;
 	cpumask_t tmp;
 	int vector;
-	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2435,8 +2443,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
 	write_msi_msg(irq, &msg);
-	desc = irq_to_desc(irq);
-	desc->affinity = mask;
+	irq_to_desc(irq)->affinity = mask;
 }
 #endif /* CONFIG_SMP */
 
@@ -2455,13 +2462,31 @@ static struct irq_chip msi_chip = {
 	.retrigger	= ioapic_retrigger_irq,
 };
 
+static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
+{
+	unsigned int irq;
+
+	irq = dev->bus->number;
+	irq <<= 8;
+	irq |= dev->devfn;
+	irq <<= 12;
+
+	return irq;
+}
+
 int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 {
 	struct msi_msg msg;
 	int irq, ret;
-	irq = create_irq();
-	if (irq < 0)
-		return irq;
+
+	unsigned int irq_want;
+
+	irq_want = build_irq_for_pci_dev(dev) + 0x100;
+
+	irq = create_irq_nr(irq_want);
+
+	if (irq == 0)
+		return -1;
 
 	ret = msi_compose_msg(dev, irq, &msg);
 	if (ret < 0) {
@@ -2510,7 +2535,6 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 {
 	unsigned int dest;
 	cpumask_t tmp;
-	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2521,8 +2545,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	dest = cpu_mask_to_apicid(mask);
 
 	target_ht_irq(irq, dest);
-	desc = irq_to_desc(irq);
-	desc->affinity = mask;
+	irq_to_desc(irq)->affinity = mask;
 }
 #endif
 
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 576c5df6cad..0a57e39159a 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -224,9 +224,10 @@ unsigned int do_IRQ(struct pt_regs *regs)
 	struct pt_regs *old_regs;
 	/* high bit used in ret_from_ code */
 	int overflow, irq = ~regs->orig_ax;
-	struct irq_desc *desc = irq_to_desc(irq);
+	struct irq_desc *desc;
 
-	if (unlikely((unsigned)irq >= nr_irqs)) {
+	desc = irq_to_desc(irq);
+	if (unlikely(!desc)) {
 		printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
 					__func__, irq);
 		BUG();
@@ -263,6 +264,24 @@ int show_interrupts(struct seq_file *p, void *v)
 	int i = *(loff_t *) v, j;
 	struct irqaction * action;
 	unsigned long flags;
+	unsigned int entries;
+	struct irq_desc *desc;
+	int tail = 0;
+
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+	desc = (struct irq_desc *)v;
+	entries = -1U;
+	i = desc->irq;
+	if (!desc->next)
+		tail = 1;
+#else
+	entries = nr_irqs - 1;
+	i = *(loff_t *) v;
+	if (i == nr_irqs)
+		tail = 1;
+	else
+		desc = irq_to_desc(i);
+#endif
 
 	if (i == 0) {
 		seq_printf(p, "           ");
@@ -271,9 +290,8 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 	}
 
-	if (i < nr_irqs) {
+	if (i <= entries) {
 		unsigned any_count = 0;
-		struct irq_desc *desc = irq_to_desc(i);
 
 		spin_lock_irqsave(&desc->lock, flags);
 #ifndef CONFIG_SMP
@@ -285,7 +303,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		action = desc->action;
 		if (!action && !any_count)
 			goto skip;
-		seq_printf(p, "%3d: ",i);
+		seq_printf(p, "%#x: ",i);
 #ifndef CONFIG_SMP
 		seq_printf(p, "%10u ", kstat_irqs(i));
 #else
@@ -304,7 +322,9 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 skip:
 		spin_unlock_irqrestore(&desc->lock, flags);
-	} else if (i == nr_irqs) {
+	}
+
+	if (tail) {
 		seq_printf(p, "NMI: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", nmi_count(j));
@@ -396,15 +416,14 @@ void fixup_irqs(cpumask_t map)
 {
 	unsigned int irq;
 	static int warned;
+	struct irq_desc *desc;
 
-	for (irq = 0; irq < nr_irqs; irq++) {
+	for_each_irq_desc(irq, desc) {
 		cpumask_t mask;
-		struct irq_desc *desc;
 
 		if (irq == 2)
 			continue;
 
-		desc = irq_to_desc(irq);
 		cpus_and(mask, desc->affinity, map);
 		if (any_online_cpu(mask) == NR_CPUS) {
 			printk("Breaking affinity for irq %i\n", irq);
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index 65c1c950770..ded09ac2642 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -69,6 +69,13 @@ void __init init_ISA_irqs (void)
 	 * 16 old-style INTA-cycle interrupts:
 	 */
 	for (i = 0; i < 16; i++) {
+		/* first time call this irq_desc */
+		struct irq_desc *desc = irq_to_desc_alloc(i);
+
+		desc->status = IRQ_DISABLED;
+		desc->action = NULL;
+		desc->depth = 1;
+
 		set_irq_chip_and_handler_name(i, &i8259A_chip,
 					      handle_level_irq, "XT");
 	}
-- 
GitLab


From 497c9a195db918d3f035e8cb3021e5d4d035516e Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:28 -0700
Subject: [PATCH 0671/2224] x86: make 32bit support per_cpu vector

so we can merge io_apic_32.c and io_apic_64.c

v2: Use cpu_online_map as target cpus for bigsmp, just like 64-bit is doing.

Also remove some unused TARGET_CPUS macro.

v3: need to check if desc is null in smp_irq_move_cleanup

also migration needs to reset vector too, so copy __target_IO_APIC_irq
from 64bit.

(the duplication will go away once the two files are unified.)

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/entry_32.S                |   2 +-
 arch/x86/kernel/io_apic_32.c              | 719 ++++++++++++++--------
 arch/x86/kernel/irq_32.c                  |  18 +-
 arch/x86/kernel/irqinit_32.c              |  41 +-
 arch/x86/lguest/boot.c                    |   2 +-
 arch/x86/mach-generic/bigsmp.c            |   4 +
 arch/x86/mach-generic/es7000.c            |  14 +
 arch/x86/mach-generic/numaq.c             |  14 +
 arch/x86/mach-generic/summit.c            |  14 +
 include/asm-x86/bigsmp/apic.h             |  15 +-
 include/asm-x86/es7000/apic.h             |   3 +-
 include/asm-x86/genapic_32.h              |   2 +
 include/asm-x86/hw_irq.h                  |   6 +-
 include/asm-x86/irq_vectors.h             |  15 +-
 include/asm-x86/mach-default/entry_arch.h |   1 +
 include/asm-x86/mach-default/mach_apic.h  |  15 +-
 include/asm-x86/mach-generic/mach_apic.h  |   1 +
 include/asm-x86/numaq/apic.h              |   2 -
 include/asm-x86/summit/apic.h             |   1 -
 19 files changed, 577 insertions(+), 312 deletions(-)

diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index b21fbfaffe3..4d82171d0f9 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -629,7 +629,7 @@ ENTRY(interrupt)
 ENTRY(irq_entries_start)
 	RING0_INT_FRAME
 vector=0
-.rept NR_IRQS
+.rept NR_VECTORS
 	ALIGN
  .if vector
 	CFI_ADJUST_CFA_OFFSET -4
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 66c0a91362a..ea33d3c7497 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -48,6 +48,7 @@
 #include <asm/hypertransport.h>
 #include <asm/setup.h>
 
+#include <mach_ipi.h>
 #include <mach_apic.h>
 #include <mach_apicdef.h>
 
@@ -60,7 +61,7 @@ atomic_t irq_mis_count;
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
 
 static DEFINE_SPINLOCK(ioapic_lock);
-DEFINE_SPINLOCK(vector_lock);
+static DEFINE_SPINLOCK(vector_lock);
 
 int timer_through_8259 __initdata;
 
@@ -100,28 +101,32 @@ struct irq_cfg {
 	unsigned int irq;
 	struct irq_cfg *next;
 	struct irq_pin_list *irq_2_pin;
+	cpumask_t domain;
+	cpumask_t old_domain;
+	unsigned move_cleanup_count;
 	u8 vector;
+	u8 move_in_progress : 1;
 };
 
 
 /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
 static struct irq_cfg irq_cfg_legacy[] __initdata = {
-	[0]  = { .irq =  0, .vector = IRQ0_VECTOR,  },
-	[1]  = { .irq =  1, .vector = IRQ1_VECTOR,  },
-	[2]  = { .irq =  2, .vector = IRQ2_VECTOR,  },
-	[3]  = { .irq =  3, .vector = IRQ3_VECTOR,  },
-	[4]  = { .irq =  4, .vector = IRQ4_VECTOR,  },
-	[5]  = { .irq =  5, .vector = IRQ5_VECTOR,  },
-	[6]  = { .irq =  6, .vector = IRQ6_VECTOR,  },
-	[7]  = { .irq =  7, .vector = IRQ7_VECTOR,  },
-	[8]  = { .irq =  8, .vector = IRQ8_VECTOR,  },
-	[9]  = { .irq =  9, .vector = IRQ9_VECTOR,  },
-	[10] = { .irq = 10, .vector = IRQ10_VECTOR, },
-	[11] = { .irq = 11, .vector = IRQ11_VECTOR, },
-	[12] = { .irq = 12, .vector = IRQ12_VECTOR, },
-	[13] = { .irq = 13, .vector = IRQ13_VECTOR, },
-	[14] = { .irq = 14, .vector = IRQ14_VECTOR, },
-	[15] = { .irq = 15, .vector = IRQ15_VECTOR, },
+	[0]  = { .irq =  0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR,  },
+	[1]  = { .irq =  1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR,  },
+	[2]  = { .irq =  2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR,  },
+	[3]  = { .irq =  3, .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR,  },
+	[4]  = { .irq =  4, .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR,  },
+	[5]  = { .irq =  5, .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR,  },
+	[6]  = { .irq =  6, .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR,  },
+	[7]  = { .irq =  7, .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR,  },
+	[8]  = { .irq =  8, .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR,  },
+	[9]  = { .irq =  9, .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR,  },
+	[10] = { .irq = 10, .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, },
+	[11] = { .irq = 11, .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, },
+	[12] = { .irq = 12, .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, },
+	[13] = { .irq = 13, .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, },
+	[14] = { .irq = 14, .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, },
+	[15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, },
 };
 
 static struct irq_cfg irq_cfg_init = { .irq =  -1U, };
@@ -263,6 +268,7 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 	return cfg;
 }
 
+static int assign_irq_vector(int irq, cpumask_t mask);
 /*
  * Rough estimation of how many shared IRQs there are, can
  * be changed anytime.
@@ -432,6 +438,65 @@ static void ioapic_mask_entry(int apic, int pin)
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
+#ifdef CONFIG_SMP
+static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
+{
+	int apic, pin;
+	struct irq_cfg *cfg;
+	struct irq_pin_list *entry;
+
+	cfg = irq_cfg(irq);
+	entry = cfg->irq_2_pin;
+	for (;;) {
+		unsigned int reg;
+
+		if (!entry)
+			break;
+
+		apic = entry->apic;
+		pin = entry->pin;
+		io_apic_write(apic, 0x11 + pin*2, dest);
+		reg = io_apic_read(apic, 0x10 + pin*2);
+		reg &= ~IO_APIC_REDIR_VECTOR_MASK;
+		reg |= vector;
+		io_apic_modify(apic, 0x10 + pin *2, reg);
+		if (!entry->next)
+			break;
+		entry = entry->next;
+	}
+}
+static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
+{
+	struct irq_cfg *cfg;
+	unsigned long flags;
+	unsigned int dest;
+	cpumask_t tmp;
+
+	cfg = irq_cfg(irq);
+
+	cpus_and(tmp, mask, cpu_online_map);
+	if (cpus_empty(tmp))
+		return;
+
+	if (assign_irq_vector(irq, mask))
+		return;
+
+	cpus_and(tmp, cfg->domain, mask);
+
+	dest = cpu_mask_to_apicid(tmp);
+	/*
+	 * Only the high 8 bits are valid.
+	 */
+	dest = SET_APIC_LOGICAL_ID(dest);
+
+	spin_lock_irqsave(&ioapic_lock, flags);
+	__target_IO_APIC_irq(irq, dest, cfg->vector);
+	irq_to_desc(irq)->affinity = mask;
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+}
+
+#endif /* CONFIG_SMP */
+
 /*
  * The common case is 1:1 IRQ<->pin mappings. Sometimes there are
  * shared ISA-space IRQs, so we have to support them. We are super
@@ -586,45 +651,6 @@ static void clear_IO_APIC(void)
 			clear_IO_APIC_pin(apic, pin);
 }
 
-#ifdef CONFIG_SMP
-static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t cpumask)
-{
-	struct irq_cfg *cfg;
-	unsigned long flags;
-	int pin;
-	struct irq_pin_list *entry;
-	unsigned int apicid_value;
-	cpumask_t tmp;
-
-
-	cfg = irq_cfg(irq);
-	entry = cfg->irq_2_pin;
-
-	cpus_and(tmp, cpumask, cpu_online_map);
-	if (cpus_empty(tmp))
-		tmp = TARGET_CPUS;
-
-	cpus_and(cpumask, tmp, CPU_MASK_ALL);
-
-	apicid_value = cpu_mask_to_apicid(cpumask);
-	/* Prepare to do the io_apic_write */
-	apicid_value = apicid_value << 24;
-	spin_lock_irqsave(&ioapic_lock, flags);
-	for (;;) {
-		if (!entry)
-			break;
-		pin = entry->pin;
-		io_apic_write(entry->apic, 0x10 + 1 + pin*2, apicid_value);
-		if (!entry->next)
-			break;
-		entry = entry->next;
-	}
-	irq_to_desc(irq)->affinity = cpumask;
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-}
-
-#endif /* CONFIG_SMP */
-
 #ifndef CONFIG_SMP
 void send_IPI_self(int vector)
 {
@@ -789,32 +815,6 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 }
 EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
 
-/*
- * This function currently is only a helper for the i386 smp boot process where
- * we need to reprogram the ioredtbls to cater for the cpus which have come online
- * so mask in all cases should simply be TARGET_CPUS
- */
-#ifdef CONFIG_SMP
-void __init setup_ioapic_dest(void)
-{
-	int pin, ioapic, irq, irq_entry;
-
-	if (skip_ioapic_setup == 1)
-		return;
-
-	for (ioapic = 0; ioapic < nr_ioapics; ioapic++) {
-		for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) {
-			irq_entry = find_irq_entry(ioapic, pin, mp_INT);
-			if (irq_entry == -1)
-				continue;
-			irq = pin_2_irq(irq_entry, ioapic, pin);
-			set_ioapic_affinity_irq(irq, TARGET_CPUS);
-		}
-
-	}
-}
-#endif
-
 #if defined(CONFIG_EISA) || defined(CONFIG_MCA)
 /*
  * EISA Edge/Level control register, ELCR
@@ -1046,47 +1046,138 @@ static inline int IO_APIC_irq_trigger(int irq)
 	return 0;
 }
 
+void lock_vector_lock(void)
+{
+	/* Used to the online set of cpus does not change
+	 * during assign_irq_vector.
+	 */
+	spin_lock(&vector_lock);
+}
 
-static int __assign_irq_vector(int irq)
+void unlock_vector_lock(void)
 {
-	static int current_vector = FIRST_DEVICE_VECTOR, current_offset;
-	int vector, offset;
-	struct irq_cfg *cfg;
+	spin_unlock(&vector_lock);
+}
 
-	cfg = irq_cfg(irq);
-	if (cfg->vector > 0)
-		return cfg->vector;
+static int __assign_irq_vector(int irq, cpumask_t mask)
+{
+        static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
+        unsigned int old_vector;
+        int cpu;
+        struct irq_cfg *cfg;
 
-	vector = current_vector;
-	offset = current_offset;
-next:
-	vector += 8;
-	if (vector >= first_system_vector) {
-		offset = (offset + 1) % 8;
-		vector = FIRST_DEVICE_VECTOR + offset;
-	}
-	if (vector == current_vector)
-		return -ENOSPC;
-	if (test_and_set_bit(vector, used_vectors))
-		goto next;
+        cfg = irq_cfg(irq);
 
-	current_vector = vector;
-	current_offset = offset;
-	cfg->vector = vector;
+        /* Only try and allocate irqs on cpus that are present */
+        cpus_and(mask, mask, cpu_online_map);
 
-	return vector;
-}
+        if ((cfg->move_in_progress) || cfg->move_cleanup_count)
+                return -EBUSY;
 
-static int assign_irq_vector(int irq)
-{
+        old_vector = cfg->vector;
+        if (old_vector) {
+                cpumask_t tmp;
+                cpus_and(tmp, cfg->domain, mask);
+                if (!cpus_empty(tmp))
+                        return 0;
+        }
+
+        for_each_cpu_mask_nr(cpu, mask) {
+                cpumask_t domain, new_mask;
+                int new_cpu;
+                int vector, offset;
+
+                domain = vector_allocation_domain(cpu);
+                cpus_and(new_mask, domain, cpu_online_map);
+
+                vector = current_vector;
+                offset = current_offset;
+next:
+                vector += 8;
+                if (vector >= first_system_vector) {
+                        /* If we run out of vectors on large boxen, must share them. */
+                        offset = (offset + 1) % 8;
+                        vector = FIRST_DEVICE_VECTOR + offset;
+                }
+                if (unlikely(current_vector == vector))
+                        continue;
+		if (vector == SYSCALL_VECTOR)
+                        goto next;
+
+                for_each_cpu_mask_nr(new_cpu, new_mask)
+                        if (per_cpu(vector_irq, new_cpu)[vector] != -1)
+                                goto next;
+                /* Found one! */
+                current_vector = vector;
+                current_offset = offset;
+                if (old_vector) {
+                        cfg->move_in_progress = 1;
+                        cfg->old_domain = cfg->domain;
+                }
+                for_each_cpu_mask_nr(new_cpu, new_mask)
+                        per_cpu(vector_irq, new_cpu)[vector] = irq;
+                cfg->vector = vector;
+                cfg->domain = domain;
+                return 0;
+        }
+        return -ENOSPC;
+}
+
+static int assign_irq_vector(int irq, cpumask_t mask)
+{
+	int err;
 	unsigned long flags;
-	int vector;
 
 	spin_lock_irqsave(&vector_lock, flags);
-	vector = __assign_irq_vector(irq);
+	err = __assign_irq_vector(irq, mask);
 	spin_unlock_irqrestore(&vector_lock, flags);
 
-	return vector;
+	return err;
+}
+
+static void __clear_irq_vector(int irq)
+{
+	struct irq_cfg *cfg;
+	cpumask_t mask;
+	int cpu, vector;
+
+	cfg = irq_cfg(irq);
+	BUG_ON(!cfg->vector);
+
+	vector = cfg->vector;
+	cpus_and(mask, cfg->domain, cpu_online_map);
+	for_each_cpu_mask_nr(cpu, mask)
+		per_cpu(vector_irq, cpu)[vector] = -1;
+
+	cfg->vector = 0;
+	cpus_clear(cfg->domain);
+}
+
+void __setup_vector_irq(int cpu)
+{
+	/* Initialize vector_irq on a new cpu */
+	/* This function must be called with vector_lock held */
+	int irq, vector;
+	struct irq_cfg *cfg;
+
+	/* Mark the inuse vectors */
+	for_each_irq_cfg(cfg) {
+		if (!cpu_isset(cpu, cfg->domain))
+			continue;
+		vector = cfg->vector;
+		irq = cfg->irq;
+		per_cpu(vector_irq, cpu)[vector] = irq;
+	}
+	/* Mark the free vectors */
+	for (vector = 0; vector < NR_VECTORS; ++vector) {
+		irq = per_cpu(vector_irq, cpu)[vector];
+		if (irq < 0)
+			continue;
+
+		cfg = irq_cfg(irq);
+		if (!cpu_isset(cpu, cfg->domain))
+			per_cpu(vector_irq, cpu)[vector] = -1;
+        }
 }
 
 static struct irq_chip ioapic_chip;
@@ -1095,7 +1186,7 @@ static struct irq_chip ioapic_chip;
 #define IOAPIC_EDGE	0
 #define IOAPIC_LEVEL	1
 
-static void ioapic_register_intr(int irq, int vector, unsigned long trigger)
+static void ioapic_register_intr(int irq, unsigned long trigger)
 {
 	struct irq_desc *desc;
 
@@ -1115,79 +1206,109 @@ static void ioapic_register_intr(int irq, int vector, unsigned long trigger)
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
 					 handle_edge_irq, "edge");
 	}
-	set_intr_gate(vector, interrupt[irq]);
 }
 
-static void __init setup_IO_APIC_irqs(void)
+static int setup_ioapic_entry(int apic, int irq,
+			      struct IO_APIC_route_entry *entry,
+			      unsigned int destination, int trigger,
+			      int polarity, int vector)
 {
+	/*
+	 * add it to the IO-APIC irq-routing table:
+	 */
+	memset(entry,0,sizeof(*entry));
+
+	entry->delivery_mode = INT_DELIVERY_MODE;
+	entry->dest_mode = INT_DEST_MODE;
+	entry->dest.logical.logical_dest = destination;
+
+	entry->mask = 0;                                /* enable IRQ */
+	entry->trigger = trigger;
+	entry->polarity = polarity;
+	entry->vector = vector;
+
+	/* Mask level triggered irqs.
+	 * Use IRQ_DELAYED_DISABLE for edge triggered irqs.
+	 */
+	if (trigger)
+		entry->mask = 1;
+
+	return 0;
+}
+
+static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
+                              int trigger, int polarity)
+{
+	struct irq_cfg *cfg;
 	struct IO_APIC_route_entry entry;
-	int apic, pin, idx, irq, first_notcon = 1, vector;
+	cpumask_t mask;
+
+	if (!IO_APIC_IRQ(irq))
+		return;
+
+	cfg = irq_cfg(irq);
+
+	mask = TARGET_CPUS;
+	if (assign_irq_vector(irq, mask))
+		return;
+
+	cpus_and(mask, cfg->domain, mask);
+
+	apic_printk(APIC_VERBOSE,KERN_DEBUG
+		    "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> "
+		    "IRQ %d Mode:%i Active:%i)\n",
+		    apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector,
+		    irq, trigger, polarity);
+
+
+	if (setup_ioapic_entry(mp_ioapics[apic].mp_apicid, irq, &entry,
+			       cpu_mask_to_apicid(mask), trigger, polarity,
+			       cfg->vector)) {
+		printk("Failed to setup ioapic entry for ioapic  %d, pin %d\n",
+		       mp_ioapics[apic].mp_apicid, pin);
+		__clear_irq_vector(irq);
+		return;
+	}
+
+	ioapic_register_intr(irq, trigger);
+	if (irq < 16)
+		disable_8259A_irq(irq);
+
+	ioapic_write_entry(apic, pin, entry);
+}
+
+static void __init setup_IO_APIC_irqs(void)
+{
+	int apic, pin, idx, irq, first_notcon = 1;
 
 	apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n");
 
 	for (apic = 0; apic < nr_ioapics; apic++) {
 	for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
 
-		/*
-		 * add it to the IO-APIC irq-routing table:
-		 */
-		memset(&entry, 0, sizeof(entry));
-
-		entry.delivery_mode = INT_DELIVERY_MODE;
-		entry.dest_mode = INT_DEST_MODE;
-		entry.mask = 0;				/* enable IRQ */
-		entry.dest.logical.logical_dest =
-					cpu_mask_to_apicid(TARGET_CPUS);
-
-		idx = find_irq_entry(apic, pin, mp_INT);
+		idx = find_irq_entry(apic,pin,mp_INT);
 		if (idx == -1) {
 			if (first_notcon) {
-				apic_printk(APIC_VERBOSE, KERN_DEBUG
-						" IO-APIC (apicid-pin) %d-%d",
-						mp_ioapics[apic].mp_apicid,
-						pin);
+				apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin);
 				first_notcon = 0;
 			} else
-				apic_printk(APIC_VERBOSE, ", %d-%d",
-					mp_ioapics[apic].mp_apicid, pin);
+				apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin);
 			continue;
 		}
-
 		if (!first_notcon) {
 			apic_printk(APIC_VERBOSE, " not connected.\n");
 			first_notcon = 1;
 		}
 
-		entry.trigger = irq_trigger(idx);
-		entry.polarity = irq_polarity(idx);
-
-		if (irq_trigger(idx)) {
-			entry.trigger = 1;
-			entry.mask = 1;
-		}
-
 		irq = pin_2_irq(idx, apic, pin);
-		/*
-		 * skip adding the timer int on secondary nodes, which causes
-		 * a small but painful rift in the time-space continuum
-		 */
-		if (multi_timer_check(apic, irq))
-			continue;
-		else
-			add_pin_to_irq(irq, apic, pin);
 
-		if (!apic && !IO_APIC_IRQ(irq))
-			continue;
+                if (multi_timer_check(apic, irq))
+                        continue;
 
-		if (IO_APIC_IRQ(irq)) {
-			vector = assign_irq_vector(irq);
-			entry.vector = vector;
-			ioapic_register_intr(irq, vector, IOAPIC_AUTO);
+		add_pin_to_irq(irq, apic, pin);
 
-			if (!apic && (irq < 16))
-				disable_8259A_irq(irq);
-		}
-		ioapic_write_entry(apic, pin, entry);
+		setup_IO_APIC_irq(apic, pin, irq,
+				  irq_trigger(idx), irq_polarity(idx));
 	}
 	}
 
@@ -1221,7 +1342,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
 	 * The timer IRQ doesn't have to know that behind the
 	 * scene we may have a 8259A-master in AEOI mode ...
 	 */
-	ioapic_register_intr(0, vector, IOAPIC_EDGE);
+	ioapic_register_intr(0, IOAPIC_EDGE);
 
 	/*
 	 * Add it to the IO-APIC irq-routing table:
@@ -1805,8 +1926,10 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
 	return was_pending;
 }
 
+static void irq_complete_move(unsigned int irq);
 static void ack_ioapic_irq(unsigned int irq)
 {
+	irq_complete_move(irq);
 	move_native_irq(irq);
 	ack_APIC_irq();
 }
@@ -1816,6 +1939,7 @@ static void ack_ioapic_quirk_irq(unsigned int irq)
 	unsigned long v;
 	int i;
 
+	irq_complete_move(irq);
 	move_native_irq(irq);
 /*
  * It appears there is an erratum which affects at least version 0x11
@@ -1858,6 +1982,64 @@ static int ioapic_retrigger_irq(unsigned int irq)
 	return 1;
 }
 
+#ifdef CONFIG_SMP
+asmlinkage void smp_irq_move_cleanup_interrupt(void)
+{
+	unsigned vector, me;
+	ack_APIC_irq();
+	irq_enter();
+
+	me = smp_processor_id();
+	for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
+		unsigned int irq;
+		struct irq_desc *desc;
+		struct irq_cfg *cfg;
+		irq = __get_cpu_var(vector_irq)[vector];
+
+		desc = irq_to_desc(irq);
+		if (!desc)
+			continue;
+
+		cfg = irq_cfg(irq);
+		spin_lock(&desc->lock);
+		if (!cfg->move_cleanup_count)
+			goto unlock;
+
+		if ((vector == cfg->vector) && cpu_isset(me, cfg->domain))
+			goto unlock;
+
+		__get_cpu_var(vector_irq)[vector] = -1;
+		cfg->move_cleanup_count--;
+unlock:
+		spin_unlock(&desc->lock);
+	}
+
+	irq_exit();
+}
+
+static void irq_complete_move(unsigned int irq)
+{
+	struct irq_cfg *cfg = irq_cfg(irq);
+	unsigned vector, me;
+
+	if (likely(!cfg->move_in_progress))
+		return;
+
+	vector = ~get_irq_regs()->orig_ax;
+	me = smp_processor_id();
+	if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) {
+		cpumask_t cleanup_mask;
+
+		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
+		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
+		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
+		cfg->move_in_progress = 0;
+	}
+}
+#else
+static inline void irq_complete_move(unsigned int irq) {}
+#endif
+
 static struct irq_chip ioapic_chip __read_mostly = {
 	.name 		= "IO-APIC",
 	.startup 	= startup_ioapic_irq,
@@ -1940,7 +2122,7 @@ static struct irq_chip lapic_chip __read_mostly = {
 	.ack		= ack_lapic_irq,
 };
 
-static void lapic_register_intr(int irq, int vector)
+static void lapic_register_intr(int irq)
 {
 	struct irq_desc *desc;
 
@@ -1948,7 +2130,6 @@ static void lapic_register_intr(int irq, int vector)
 	desc->status &= ~IRQ_LEVEL;
 	set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq,
 				      "edge");
-	set_intr_gate(vector, interrupt[irq]);
 }
 
 static void __init setup_nmi(void)
@@ -2036,9 +2217,9 @@ static inline void __init unlock_ExtINT_logic(void)
  */
 static inline void __init check_timer(void)
 {
+	struct irq_cfg *cfg = irq_cfg(0);
 	int apic1, pin1, apic2, pin2;
 	int no_pin1 = 0;
-	int vector;
 	unsigned int ver;
 	unsigned long flags;
 
@@ -2051,8 +2232,7 @@ static inline void __init check_timer(void)
 	 * get/set the timer IRQ vector:
 	 */
 	disable_8259A_irq(0);
-	vector = assign_irq_vector(0);
-	set_intr_gate(vector, interrupt[0]);
+	assign_irq_vector(0, TARGET_CPUS);
 
 	/*
 	 * As IRQ0 is to be enabled in the 8259A, the virtual
@@ -2074,7 +2254,7 @@ static inline void __init check_timer(void)
 
 	apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X "
 		    "apic1=%d pin1=%d apic2=%d pin2=%d\n",
-		    vector, apic1, pin1, apic2, pin2);
+		    cfg->vector, apic1, pin1, apic2, pin2);
 
 	/*
 	 * Some BIOS writers are clueless and report the ExtINTA
@@ -2098,7 +2278,7 @@ static inline void __init check_timer(void)
 		 */
 		if (no_pin1) {
 			add_pin_to_irq(0, apic1, pin1);
-			setup_timer_IRQ0_pin(apic1, pin1, vector);
+			setup_timer_IRQ0_pin(apic1, pin1, cfg->vector);
 		}
 		unmask_IO_APIC_irq(0);
 		if (timer_irq_works()) {
@@ -2123,7 +2303,7 @@ static inline void __init check_timer(void)
 		 * legacy devices should be connected to IO APIC #0
 		 */
 		replace_pin_at_irq(0, apic1, pin1, apic2, pin2);
-		setup_timer_IRQ0_pin(apic2, pin2, vector);
+		setup_timer_IRQ0_pin(apic2, pin2, cfg->vector);
 		unmask_IO_APIC_irq(0);
 		enable_8259A_irq(0);
 		if (timer_irq_works()) {
@@ -2154,8 +2334,8 @@ static inline void __init check_timer(void)
 	apic_printk(APIC_QUIET, KERN_INFO
 		    "...trying to set up timer as Virtual Wire IRQ...\n");
 
-	lapic_register_intr(0, vector);
-	apic_write(APIC_LVT0, APIC_DM_FIXED | vector);	/* Fixed mode */
+	lapic_register_intr(0);
+	apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector);	/* Fixed mode */
 	enable_8259A_irq(0);
 
 	if (timer_irq_works()) {
@@ -2163,7 +2343,7 @@ static inline void __init check_timer(void)
 		goto out;
 	}
 	disable_8259A_irq(0);
-	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector);
+	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector);
 	apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n");
 
 	apic_printk(APIC_QUIET, KERN_INFO
@@ -2207,12 +2387,6 @@ out:
 
 void __init setup_IO_APIC(void)
 {
-	int i;
-
-	/* Reserve all the system vectors. */
-	for (i = first_system_vector; i < NR_VECTORS; i++)
-		set_bit(i, used_vectors);
-
 	enable_IO_APIC();
 
 	io_apic_irqs = ~PIC_IRQS;
@@ -2334,12 +2508,14 @@ device_initcall(ioapic_init_sysfs);
 unsigned int create_irq_nr(unsigned int irq_want)
 {
 	/* Allocate an unused irq */
-	unsigned int irq, new, vector = 0;
+	unsigned int irq, new;
 	unsigned long flags;
 	struct irq_cfg *cfg_new;
 
+#ifndef CONFIG_HAVE_SPARSE_IRQ
 	/* only can use bus/dev/fn.. when per_cpu vector is used */
 	irq_want = nr_irqs - 1;
+#endif
 
 	irq = 0;
 	spin_lock_irqsave(&vector_lock, flags);
@@ -2351,15 +2527,13 @@ unsigned int create_irq_nr(unsigned int irq_want)
 			continue;
 		if (!cfg_new)
 			cfg_new = irq_cfg_alloc(new);
-		vector = __assign_irq_vector(new);
-		if (likely(vector > 0))
+		if (__assign_irq_vector(new, TARGET_CPUS) == 0)
 			irq = new;
 		break;
 	}
 	spin_unlock_irqrestore(&vector_lock, flags);
 
 	if (irq > 0) {
-		set_intr_gate(vector, interrupt[irq]);
 		dynamic_irq_init(irq);
 	}
 	return irq;
@@ -2377,8 +2551,7 @@ void destroy_irq(unsigned int irq)
 	dynamic_irq_cleanup(irq);
 
 	spin_lock_irqsave(&vector_lock, flags);
-	clear_bit(irq_cfg(irq)->vector, used_vectors);
-	irq_cfg(irq)->vector = 0;
+	__clear_irq_vector(irq);
 	spin_unlock_irqrestore(&vector_lock, flags);
 }
 
@@ -2388,57 +2561,65 @@ void destroy_irq(unsigned int irq)
 #ifdef CONFIG_PCI_MSI
 static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
 {
-	int vector;
+	struct irq_cfg *cfg;
+	int err;
 	unsigned dest;
+	cpumask_t tmp;
 
-	vector = assign_irq_vector(irq);
-	if (vector >= 0) {
-		dest = cpu_mask_to_apicid(TARGET_CPUS);
-
-		msg->address_hi = MSI_ADDR_BASE_HI;
-		msg->address_lo =
-			MSI_ADDR_BASE_LO |
-			((INT_DEST_MODE == 0) ?
-MSI_ADDR_DEST_MODE_PHYSICAL:
-				MSI_ADDR_DEST_MODE_LOGICAL) |
-			((INT_DELIVERY_MODE != dest_LowestPrio) ?
-				MSI_ADDR_REDIRECTION_CPU:
-				MSI_ADDR_REDIRECTION_LOWPRI) |
-			MSI_ADDR_DEST_ID(dest);
+	tmp = TARGET_CPUS;
+	err = assign_irq_vector(irq, tmp);
+	if (err)
+		return err;
 
-		msg->data =
-			MSI_DATA_TRIGGER_EDGE |
-			MSI_DATA_LEVEL_ASSERT |
-			((INT_DELIVERY_MODE != dest_LowestPrio) ?
-MSI_DATA_DELIVERY_FIXED:
-				MSI_DATA_DELIVERY_LOWPRI) |
-			MSI_DATA_VECTOR(vector);
-	}
-	return vector;
+	cfg = irq_cfg(irq);
+	cpus_and(tmp, cfg->domain, tmp);
+	dest = cpu_mask_to_apicid(tmp);
+
+	msg->address_hi = MSI_ADDR_BASE_HI;
+	msg->address_lo =
+		MSI_ADDR_BASE_LO |
+		((INT_DEST_MODE == 0) ?
+			MSI_ADDR_DEST_MODE_PHYSICAL:
+			MSI_ADDR_DEST_MODE_LOGICAL) |
+		((INT_DELIVERY_MODE != dest_LowestPrio) ?
+			MSI_ADDR_REDIRECTION_CPU:
+			MSI_ADDR_REDIRECTION_LOWPRI) |
+		MSI_ADDR_DEST_ID(dest);
+
+	msg->data =
+		MSI_DATA_TRIGGER_EDGE |
+		MSI_DATA_LEVEL_ASSERT |
+		((INT_DELIVERY_MODE != dest_LowestPrio) ?
+			MSI_DATA_DELIVERY_FIXED:
+			MSI_DATA_DELIVERY_LOWPRI) |
+		MSI_DATA_VECTOR(cfg->vector);
+
+	return err;
 }
 
 #ifdef CONFIG_SMP
 static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 {
+	struct irq_cfg *cfg;
 	struct msi_msg msg;
 	unsigned int dest;
 	cpumask_t tmp;
-	int vector;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
-		tmp = TARGET_CPUS;
+		return;
 
-	vector = assign_irq_vector(irq);
-	if (vector < 0)
+	if (assign_irq_vector(irq, mask))
 		return;
 
-	dest = cpu_mask_to_apicid(mask);
+	cfg = irq_cfg(irq);
+	cpus_and(tmp, cfg->domain, mask);
+	dest = cpu_mask_to_apicid(tmp);
 
 	read_msi_msg(irq, &msg);
 
 	msg.data &= ~MSI_DATA_VECTOR_MASK;
-	msg.data |= MSI_DATA_VECTOR(vector);
+	msg.data |= MSI_DATA_VECTOR(cfg->vector);
 	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
@@ -2517,15 +2698,15 @@ void arch_teardown_msi_irq(unsigned int irq)
 
 #ifdef CONFIG_SMP
 
-static void target_ht_irq(unsigned int irq, unsigned int dest)
+static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector)
 {
 	struct ht_irq_msg msg;
 	fetch_ht_irq_msg(irq, &msg);
 
-	msg.address_lo &= ~(HT_IRQ_LOW_DEST_ID_MASK);
+	msg.address_lo &= ~(HT_IRQ_LOW_VECTOR_MASK | HT_IRQ_LOW_DEST_ID_MASK);
 	msg.address_hi &= ~(HT_IRQ_HIGH_DEST_ID_MASK);
 
-	msg.address_lo |= HT_IRQ_LOW_DEST_ID(dest);
+	msg.address_lo |= HT_IRQ_LOW_VECTOR(vector) | HT_IRQ_LOW_DEST_ID(dest);
 	msg.address_hi |= HT_IRQ_HIGH_DEST_ID(dest);
 
 	write_ht_irq_msg(irq, &msg);
@@ -2533,18 +2714,22 @@ static void target_ht_irq(unsigned int irq, unsigned int dest)
 
 static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 {
+	struct irq_cfg *cfg;
 	unsigned int dest;
 	cpumask_t tmp;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
-		tmp = TARGET_CPUS;
+		return;
 
-	cpus_and(mask, tmp, CPU_MASK_ALL);
+	if (assign_irq_vector(irq, mask))
+		return;
 
-	dest = cpu_mask_to_apicid(mask);
+	cfg = irq_cfg(irq);
+	cpus_and(tmp, cfg->domain, mask);
+	dest = cpu_mask_to_apicid(tmp);
 
-	target_ht_irq(irq, dest);
+	target_ht_irq(irq, dest, cfg->vector);
 	irq_to_desc(irq)->affinity = mask;
 }
 #endif
@@ -2562,16 +2747,18 @@ static struct irq_chip ht_irq_chip = {
 
 int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 {
-	int vector;
+	struct irq_cfg *cfg;
+	int err;
+	cpumask_t tmp;
 
-	vector = assign_irq_vector(irq);
-	if (vector >= 0) {
+	tmp = TARGET_CPUS;
+	err = assign_irq_vector(irq, tmp);
+	if ( !err) {
 		struct ht_irq_msg msg;
 		unsigned dest;
-		cpumask_t tmp;
 
-		cpus_clear(tmp);
-		cpu_set(vector >> 8, tmp);
+		cfg = irq_cfg(irq);
+		cpus_and(tmp, cfg->domain, tmp);
 		dest = cpu_mask_to_apicid(tmp);
 
 		msg.address_hi = HT_IRQ_HIGH_DEST_ID(dest);
@@ -2579,7 +2766,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 		msg.address_lo =
 			HT_IRQ_LOW_BASE |
 			HT_IRQ_LOW_DEST_ID(dest) |
-			HT_IRQ_LOW_VECTOR(vector) |
+			HT_IRQ_LOW_VECTOR(cfg->vector) |
 			((INT_DEST_MODE == 0) ?
 				HT_IRQ_LOW_DM_PHYSICAL :
 				HT_IRQ_LOW_DM_LOGICAL) |
@@ -2594,7 +2781,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 		set_irq_chip_and_handler_name(irq, &ht_irq_chip,
 					      handle_edge_irq, "edge");
 	}
-	return vector;
+	return err;
 }
 #endif /* CONFIG_HT_IRQ */
 
@@ -2705,50 +2892,21 @@ int __init io_apic_get_redir_entries(int ioapic)
 }
 
 
-int io_apic_set_pci_routing(int ioapic, int pin, int irq, int edge_level, int active_high_low)
+int io_apic_set_pci_routing(int ioapic, int pin, int irq, int triggering, int polarity)
 {
-	struct IO_APIC_route_entry entry;
-
 	if (!IO_APIC_IRQ(irq)) {
 		printk(KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n",
 			ioapic);
 		return -EINVAL;
 	}
 
-	/*
-	 * Generate a PCI IRQ routing entry and program the IOAPIC accordingly.
-	 * Note that we mask (disable) IRQs now -- these get enabled when the
-	 * corresponding device driver registers for this IRQ.
-	 */
-
-	memset(&entry, 0, sizeof(entry));
-
-	entry.delivery_mode = INT_DELIVERY_MODE;
-	entry.dest_mode = INT_DEST_MODE;
-	entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
-	entry.trigger = edge_level;
-	entry.polarity = active_high_low;
-	entry.mask  = 1;
-
 	/*
 	 * IRQs < 16 are already in the irq_2_pin[] map
 	 */
 	if (irq >= 16)
 		add_pin_to_irq(irq, ioapic, pin);
 
-	entry.vector = assign_irq_vector(irq);
-
-	apic_printk(APIC_DEBUG, KERN_DEBUG "IOAPIC[%d]: Set PCI routing entry "
-		"(%d-%d -> 0x%x -> IRQ %d Mode:%i Active:%i)\n", ioapic,
-		mp_ioapics[ioapic].mp_apicid, pin, entry.vector, irq,
-		edge_level, active_high_low);
-
-	ioapic_register_intr(irq, entry.vector, edge_level);
-
-	if (!ioapic && (irq < 16))
-		disable_8259A_irq(irq);
-
-	ioapic_write_entry(ioapic, pin, entry);
+	setup_IO_APIC_irq(ioapic, pin, irq, triggering, polarity);
 
 	return 0;
 }
@@ -2774,6 +2932,47 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
 
 #endif /* CONFIG_ACPI */
 
+/*
+ * This function currently is only a helper for the i386 smp boot process where
+ * we need to reprogram the ioredtbls to cater for the cpus which have come online
+ * so mask in all cases should simply be TARGET_CPUS
+ */
+#ifdef CONFIG_SMP
+void __init setup_ioapic_dest(void)
+{
+	int pin, ioapic, irq, irq_entry;
+	struct irq_cfg *cfg;
+	struct irq_desc *desc;
+
+	if (skip_ioapic_setup == 1)
+		return;
+
+	for (ioapic = 0; ioapic < nr_ioapics; ioapic++) {
+		for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) {
+			irq_entry = find_irq_entry(ioapic, pin, mp_INT);
+			if (irq_entry == -1)
+				continue;
+			irq = pin_2_irq(irq_entry, ioapic, pin);
+
+			/* setup_IO_APIC_irqs could fail to get vector for some device
+			 * when you have too many devices, because at that time only boot
+			 * cpu is online.
+			 */
+			cfg = irq_cfg(irq);
+			if (!cfg->vector)
+				setup_IO_APIC_irq(ioapic, pin, irq,
+						  irq_trigger(irq_entry),
+						  irq_polarity(irq_entry));
+			else {
+				desc = irq_to_desc(irq);
+				set_ioapic_affinity_irq(irq, TARGET_CPUS);
+			}
+		}
+
+	}
+}
+#endif
+
 static int __init parse_disable_timer_pin_1(char *arg)
 {
 	disable_timer_pin_1 = 1;
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 0a57e39159a..b51ffdcfa31 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -223,21 +223,25 @@ unsigned int do_IRQ(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs;
 	/* high bit used in ret_from_ code */
-	int overflow, irq = ~regs->orig_ax;
+	int overflow;
+	unsigned vector = ~regs->orig_ax;
 	struct irq_desc *desc;
+	unsigned irq;
 
-	desc = irq_to_desc(irq);
-	if (unlikely(!desc)) {
-		printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
-					__func__, irq);
-		BUG();
-	}
 
 	old_regs = set_irq_regs(regs);
 	irq_enter();
+	irq = __get_cpu_var(vector_irq)[vector];
 
 	overflow = check_stack_overflow();
 
+	desc = irq_to_desc(irq);
+	if (unlikely(!desc)) {
+		printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x\n",
+					__func__, irq, vector);
+		BUG();
+	}
+
 	if (!execute_on_irq_stack(overflow, desc, irq)) {
 		if (unlikely(overflow))
 			print_stack_overflow();
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index ded09ac2642..9092103a18e 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -90,6 +90,27 @@ static struct irqaction irq2 = {
 	.name = "cascade",
 };
 
+DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
+	[0 ... IRQ0_VECTOR - 1] = -1,
+	[IRQ0_VECTOR] = 0,
+	[IRQ1_VECTOR] = 1,
+	[IRQ2_VECTOR] = 2,
+	[IRQ3_VECTOR] = 3,
+	[IRQ4_VECTOR] = 4,
+	[IRQ5_VECTOR] = 5,
+	[IRQ6_VECTOR] = 6,
+	[IRQ7_VECTOR] = 7,
+	[IRQ8_VECTOR] = 8,
+	[IRQ9_VECTOR] = 9,
+	[IRQ10_VECTOR] = 10,
+	[IRQ11_VECTOR] = 11,
+	[IRQ12_VECTOR] = 12,
+	[IRQ13_VECTOR] = 13,
+	[IRQ14_VECTOR] = 14,
+	[IRQ15_VECTOR] = 15,
+	[IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1
+};
+
 /* Overridden in paravirt.c */
 void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
 
@@ -105,22 +126,14 @@ void __init native_init_IRQ(void)
 	 * us. (some of these will be overridden and become
 	 * 'special' SMP interrupts)
 	 */
-	for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
-		int vector = FIRST_EXTERNAL_VECTOR + i;
-		if (i >= nr_irqs)
-			break;
+	for (i =  FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
 		/* SYSCALL_VECTOR was reserved in trap_init. */
-		if (!test_bit(vector, used_vectors))
-			set_intr_gate(vector, interrupt[i]);
+		if (i != SYSCALL_VECTOR)
+			set_intr_gate(i, interrupt[i]);
 	}
 
-#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
-	/*
-	 * IRQ0 must be given a fixed assignment and initialized,
-	 * because it's used before the IO-APIC is set up.
-	 */
-	set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]);
 
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
 	/*
 	 * The reschedule interrupt is a CPU-to-CPU reschedule-helper
 	 * IPI, driven by wakeup.
@@ -135,6 +148,9 @@ void __init native_init_IRQ(void)
 
 	/* IPI for single call function */
 	set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR, call_function_single_interrupt);
+
+	/* Low priority IPI to cleanup after moving an irq */
+	set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
 #endif
 
 #ifdef CONFIG_X86_LOCAL_APIC
@@ -168,3 +184,4 @@ void __init native_init_IRQ(void)
 
 	irq_ctx_init(smp_processor_id());
 }
+
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 65f0b8a47be..48ee4f9435f 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -582,7 +582,7 @@ static void __init lguest_init_IRQ(void)
 	for (i = 0; i < LGUEST_IRQS; i++) {
 		int vector = FIRST_EXTERNAL_VECTOR + i;
 		if (vector != SYSCALL_VECTOR) {
-			set_intr_gate(vector, interrupt[i]);
+			set_intr_gate(vector, interrupt[vector]);
 			set_irq_chip_and_handler_name(i, &lguest_irq_controller,
 						      handle_level_irq,
 						      "level");
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
index df37fc9d6a2..3c3b471ea49 100644
--- a/arch/x86/mach-generic/bigsmp.c
+++ b/arch/x86/mach-generic/bigsmp.c
@@ -41,6 +41,10 @@ static const struct dmi_system_id bigsmp_dmi_table[] = {
 	 { }
 };
 
+static cpumask_t vector_allocation_domain(int cpu)
+{
+        return cpumask_of_cpu(cpu);
+}
 
 static int probe_bigsmp(void)
 {
diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c
index 6513d41ea21..28459cab3dd 100644
--- a/arch/x86/mach-generic/es7000.c
+++ b/arch/x86/mach-generic/es7000.c
@@ -75,4 +75,18 @@ static int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 }
 #endif
 
+static cpumask_t vector_allocation_domain(int cpu)
+{
+	/* Careful. Some cpus do not strictly honor the set of cpus
+	 * specified in the interrupt destination when using lowest
+	 * priority interrupt delivery mode.
+	 *
+	 * In particular there was a hyperthreading cpu observed to
+	 * deliver interrupts to the wrong hyperthread when only one
+	 * hyperthread was specified in the interrupt desitination.
+	 */
+	cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
+	return domain;
+}
+
 struct genapic __initdata_refok apic_es7000 = APIC_INIT("es7000", probe_es7000);
diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c
index 8cf58394975..71a309b122e 100644
--- a/arch/x86/mach-generic/numaq.c
+++ b/arch/x86/mach-generic/numaq.c
@@ -38,4 +38,18 @@ static int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 	return 0;
 }
 
+static cpumask_t vector_allocation_domain(int cpu)
+{
+	/* Careful. Some cpus do not strictly honor the set of cpus
+	 * specified in the interrupt destination when using lowest
+	 * priority interrupt delivery mode.
+	 *
+	 * In particular there was a hyperthreading cpu observed to
+	 * deliver interrupts to the wrong hyperthread when only one
+	 * hyperthread was specified in the interrupt desitination.
+	 */
+	cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
+	return domain;
+}
+
 struct genapic apic_numaq = APIC_INIT("NUMAQ", probe_numaq);
diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c
index 6ad6b67a723..6272b5e69da 100644
--- a/arch/x86/mach-generic/summit.c
+++ b/arch/x86/mach-generic/summit.c
@@ -23,4 +23,18 @@ static int probe_summit(void)
 	return 0;
 }
 
+static cpumask_t vector_allocation_domain(int cpu)
+{
+	/* Careful. Some cpus do not strictly honor the set of cpus
+	 * specified in the interrupt destination when using lowest
+	 * priority interrupt delivery mode.
+	 *
+	 * In particular there was a hyperthreading cpu observed to
+	 * deliver interrupts to the wrong hyperthread when only one
+	 * hyperthread was specified in the interrupt desitination.
+	 */
+	cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
+	return domain;
+}
+
 struct genapic apic_summit = APIC_INIT("summit", probe_summit);
diff --git a/include/asm-x86/bigsmp/apic.h b/include/asm-x86/bigsmp/apic.h
index 0a9cd7c5ca0..1d9543b9d35 100644
--- a/include/asm-x86/bigsmp/apic.h
+++ b/include/asm-x86/bigsmp/apic.h
@@ -9,22 +9,17 @@ static inline int apic_id_registered(void)
 	return (1);
 }
 
-/* Round robin the irqs amoung the online cpus */
 static inline cpumask_t target_cpus(void)
 {
-	static unsigned long cpu = NR_CPUS;
-	do {
-		if (cpu >= NR_CPUS)
-			cpu = first_cpu(cpu_online_map);
-		else
-			cpu = next_cpu(cpu, cpu_online_map);
-	} while (cpu >= NR_CPUS);
-	return cpumask_of_cpu(cpu);
+#ifdef CONFIG_SMP
+        return cpu_online_map;
+#else
+        return cpumask_of_cpu(0);
+#endif
 }
 
 #undef APIC_DEST_LOGICAL
 #define APIC_DEST_LOGICAL	0
-#define TARGET_CPUS		(target_cpus())
 #define APIC_DFR_VALUE		(APIC_DFR_FLAT)
 #define INT_DELIVERY_MODE	(dest_Fixed)
 #define INT_DEST_MODE		(0)    /* phys delivery to target proc */
diff --git a/include/asm-x86/es7000/apic.h b/include/asm-x86/es7000/apic.h
index bd2c44d1f7a..750afada5fb 100644
--- a/include/asm-x86/es7000/apic.h
+++ b/include/asm-x86/es7000/apic.h
@@ -17,7 +17,6 @@ static inline cpumask_t target_cpus(void)
 	return cpumask_of_cpu(smp_processor_id());
 #endif
 }
-#define TARGET_CPUS	(target_cpus())
 
 #if defined CONFIG_ES7000_CLUSTERED_APIC
 #define APIC_DFR_VALUE		(APIC_DFR_CLUSTER)
@@ -81,7 +80,7 @@ static inline void setup_apic_routing(void)
 	int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id());
 	printk("Enabling APIC mode:  %s.  Using %d I/O APICs, target cpus %lx\n",
 		(apic_version[apic] == 0x14) ?
-		"Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(TARGET_CPUS)[0]);
+		"Physical Cluster" : "Logical Cluster", nr_ioapics, cpus_addr(target_cpus())[0]);
 }
 
 static inline int multi_timer_check(int apic, int irq)
diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h
index 34280f02766..6fe4f81bfcf 100644
--- a/include/asm-x86/genapic_32.h
+++ b/include/asm-x86/genapic_32.h
@@ -57,6 +57,7 @@ struct genapic {
 	unsigned (*get_apic_id)(unsigned long x);
 	unsigned long apic_id_mask;
 	unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
+	cpumask_t (*vector_allocation_domain)(int cpu);
 
 #ifdef CONFIG_SMP
 	/* ipi */
@@ -104,6 +105,7 @@ struct genapic {
 	APICFUNC(get_apic_id)				\
 	.apic_id_mask = APIC_ID_MASK,			\
 	APICFUNC(cpu_mask_to_apicid)			\
+	APICFUNC(vector_allocation_domain)			\
 	APICFUNC(acpi_madt_oem_check)			\
 	IPIFUNC(send_IPI_mask)				\
 	IPIFUNC(send_IPI_allbutself)			\
diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index 50f6e0316b5..51c787d17cb 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -116,12 +116,12 @@ extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
 
 #ifdef CONFIG_X86_32
 extern void (*const interrupt[NR_IRQS])(void);
-#else
+#endif
+
 typedef int vector_irq_t[NR_VECTORS];
 DECLARE_PER_CPU(vector_irq_t, vector_irq);
-#endif
 
-#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_X86_64)
+#ifdef CONFIG_X86_IO_APIC
 extern void lock_vector_lock(void);
 extern void unlock_vector_lock(void);
 extern void __setup_vector_irq(int cpu);
diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h
index cb09802ce65..a8d065d85f5 100644
--- a/include/asm-x86/irq_vectors.h
+++ b/include/asm-x86/irq_vectors.h
@@ -19,19 +19,14 @@
 
 /*
  * Reserve the lowest usable priority level 0x20 - 0x2f for triggering
- * cleanup after irq migration on 64 bit.
+ * cleanup after irq migration.
  */
 #define IRQ_MOVE_CLEANUP_VECTOR	FIRST_EXTERNAL_VECTOR
 
 /*
- * Vectors 0x20-0x2f are used for ISA interrupts on 32 bit.
- * Vectors 0x30-0x3f are used for ISA interrupts on 64 bit.
+ * Vectors 0x30-0x3f are used for ISA interrupts.
  */
-#ifdef CONFIG_X86_32
-#define IRQ0_VECTOR		(FIRST_EXTERNAL_VECTOR)
-#else
 #define IRQ0_VECTOR		(FIRST_EXTERNAL_VECTOR + 0x10)
-#endif
 #define IRQ1_VECTOR		(IRQ0_VECTOR + 1)
 #define IRQ2_VECTOR		(IRQ0_VECTOR + 2)
 #define IRQ3_VECTOR		(IRQ0_VECTOR + 3)
@@ -96,11 +91,7 @@
  * start at 0x31(0x41) to spread out vectors evenly between priority
  * levels. (0x80 is the syscall vector)
  */
-#ifdef CONFIG_X86_32
-# define FIRST_DEVICE_VECTOR	0x31
-#else
-# define FIRST_DEVICE_VECTOR	(IRQ15_VECTOR + 2)
-#endif
+#define FIRST_DEVICE_VECTOR	(IRQ15_VECTOR + 2)
 
 #define NR_VECTORS		256
 
diff --git a/include/asm-x86/mach-default/entry_arch.h b/include/asm-x86/mach-default/entry_arch.h
index 9283b60a1dd..6b1add8e31d 100644
--- a/include/asm-x86/mach-default/entry_arch.h
+++ b/include/asm-x86/mach-default/entry_arch.h
@@ -14,6 +14,7 @@ BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
 BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR)
 BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
 BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR)
+BUILD_INTERRUPT(irq_move_cleanup_interrupt,IRQ_MOVE_CLEANUP_VECTOR)
 #endif
 
 /*
diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h
index 2a330a41b3d..3c66f2cdaec 100644
--- a/include/asm-x86/mach-default/mach_apic.h
+++ b/include/asm-x86/mach-default/mach_apic.h
@@ -85,6 +85,20 @@ static inline int apicid_to_node(int logical_apicid)
 	return 0;
 #endif
 }
+
+static inline cpumask_t vector_allocation_domain(int cpu)
+{
+        /* Careful. Some cpus do not strictly honor the set of cpus
+         * specified in the interrupt destination when using lowest
+         * priority interrupt delivery mode.
+         *
+         * In particular there was a hyperthreading cpu observed to
+         * deliver interrupts to the wrong hyperthread when only one
+         * hyperthread was specified in the interrupt desitination.
+         */
+        cpumask_t domain = { { [0] = APIC_ALL_CPUS, } };
+        return domain;
+}
 #endif
 
 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
@@ -138,6 +152,5 @@ static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
 static inline void enable_apic_mode(void)
 {
 }
-
 #endif /* CONFIG_X86_LOCAL_APIC */
 #endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */
diff --git a/include/asm-x86/mach-generic/mach_apic.h b/include/asm-x86/mach-generic/mach_apic.h
index 5d010c6881d..5085b52da30 100644
--- a/include/asm-x86/mach-generic/mach_apic.h
+++ b/include/asm-x86/mach-generic/mach_apic.h
@@ -24,6 +24,7 @@
 #define check_phys_apicid_present (genapic->check_phys_apicid_present)
 #define check_apicid_used (genapic->check_apicid_used)
 #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid)
+#define vector_allocation_domain (genapic->vector_allocation_domain)
 #define enable_apic_mode (genapic->enable_apic_mode)
 #define phys_pkg_id (genapic->phys_pkg_id)
 
diff --git a/include/asm-x86/numaq/apic.h b/include/asm-x86/numaq/apic.h
index a8344ba6ea1..0bf2a06b7a4 100644
--- a/include/asm-x86/numaq/apic.h
+++ b/include/asm-x86/numaq/apic.h
@@ -12,8 +12,6 @@ static inline cpumask_t target_cpus(void)
 	return CPU_MASK_ALL;
 }
 
-#define TARGET_CPUS (target_cpus())
-
 #define NO_BALANCE_IRQ (1)
 #define esr_disable (1)
 
diff --git a/include/asm-x86/summit/apic.h b/include/asm-x86/summit/apic.h
index c5b2e4b1035..0f68037b8f2 100644
--- a/include/asm-x86/summit/apic.h
+++ b/include/asm-x86/summit/apic.h
@@ -22,7 +22,6 @@ static inline cpumask_t target_cpus(void)
 	 */
 	return cpumask_of_cpu(0);
 }
-#define TARGET_CPUS	(target_cpus())
 
 #define INT_DELIVERY_MODE (dest_LowestPrio)
 #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */
-- 
GitLab


From 7a959cff725872ce9c3a534f10724d7bb2cb3c4a Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:32 -0700
Subject: [PATCH 0672/2224] x86: add debug info for 32bit sparse_irq

so could figure out bugs where we get an interrupt, but vector_irq is
not initialized yet.

Signed-off-by: Yinghai Lu  <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 8 ++++++--
 arch/x86/kernel/io_apic_64.c | 2 ++
 arch/x86/kernel/irq_32.c     | 4 ++--
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index ea33d3c7497..3001924bdd3 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -1114,8 +1114,12 @@ next:
                         cfg->move_in_progress = 1;
                         cfg->old_domain = cfg->domain;
                 }
-                for_each_cpu_mask_nr(new_cpu, new_mask)
-                        per_cpu(vector_irq, new_cpu)[vector] = irq;
+		printk(KERN_DEBUG "assign_irq_vector: irq %d vector %#x cpu ", irq, vector);
+		for_each_cpu_mask_nr(new_cpu, new_mask) {
+			per_cpu(vector_irq, new_cpu)[vector] = irq;
+			printk(KERN_CONT " %d ", new_cpu);
+		}
+		printk(KERN_CONT "\n");
                 cfg->vector = vector;
                 cfg->domain = domain;
                 return 0;
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index b0d4abc55a1..30d2e381131 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -1394,6 +1394,8 @@ __apicdebuginit(void) print_IO_APIC(void)
 	printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
 	printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
 	printk(KERN_DEBUG ".......    : physical APIC id: %02X\n", reg_00.bits.ID);
+	printk(KERN_DEBUG ".......    : Delivery Type: %X\n", reg_00.bits.delivery_type);
+	printk(KERN_DEBUG ".......    : LTS          : %X\n", reg_00.bits.LTS);
 
 	printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)&reg_01);
 	printk(KERN_DEBUG ".......     : max redirection entries: %04X\n", reg_01.bits.entries);
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index b51ffdcfa31..cc929f2f84f 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -237,8 +237,8 @@ unsigned int do_IRQ(struct pt_regs *regs)
 
 	desc = irq_to_desc(irq);
 	if (unlikely(!desc)) {
-		printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x\n",
-					__func__, irq, vector);
+		printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x cpu %d\n",
+					__func__, irq, vector, smp_processor_id());
 		BUG();
 	}
 
-- 
GitLab


From d83e94acd95789829804fd9e442bd18975f4dc89 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:33 -0700
Subject: [PATCH 0673/2224] x86, io-apic: remove union about dest for log/phy

let user decide the meaning of the bits.

This unifies the 32-bit and 64-bit io-apic code a bit.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 18 +++++++-----------
 include/asm-x86/io_apic.h    | 16 ----------------
 2 files changed, 7 insertions(+), 27 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 3001924bdd3..353e586822a 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -1224,7 +1224,7 @@ static int setup_ioapic_entry(int apic, int irq,
 
 	entry->delivery_mode = INT_DELIVERY_MODE;
 	entry->dest_mode = INT_DEST_MODE;
-	entry->dest.logical.logical_dest = destination;
+	entry->dest = destination;
 
 	entry->mask = 0;                                /* enable IRQ */
 	entry->trigger = trigger;
@@ -1336,7 +1336,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
 	 */
 	entry.dest_mode = INT_DEST_MODE;
 	entry.mask = 1;					/* mask IRQ now */
-	entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
+	entry.dest = cpu_mask_to_apicid(TARGET_CPUS);
 	entry.delivery_mode = INT_DELIVERY_MODE;
 	entry.polarity = 0;
 	entry.trigger = 0;
@@ -1425,19 +1425,15 @@ __apicdebuginit(void) print_IO_APIC(void)
 
 	printk(KERN_DEBUG ".... IRQ redirection table:\n");
 
-	printk(KERN_DEBUG " NR Log Phy Mask Trig IRR Pol"
-			  " Stat Dest Deli Vect:   \n");
+	printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol"
+			  " Stat Dmod Deli Vect:   \n");
 
 	for (i = 0; i <= reg_01.bits.entries; i++) {
 		struct IO_APIC_route_entry entry;
 
 		entry = ioapic_read_entry(apic, i);
 
-		printk(KERN_DEBUG " %02x %03X %02X  ",
-			i,
-			entry.dest.logical.logical_dest,
-			entry.dest.physical.physical_dest
-		);
+		printk(KERN_DEBUG " %02x %02X  ", i, entry.dest);
 
 		printk("%1d    %1d    %1d   %1d   %1d    %1d    %1d    %02X\n",
 			entry.mask,
@@ -1717,7 +1713,7 @@ void disable_IO_APIC(void)
 		entry.dest_mode       = 0; /* Physical */
 		entry.delivery_mode   = dest_ExtINT; /* ExtInt */
 		entry.vector          = 0;
-		entry.dest.physical.physical_dest = read_apic_id();
+		entry.dest	      = read_apic_id();
 
 		/*
 		 * Add it to the IO-APIC irq-routing table:
@@ -2185,7 +2181,7 @@ static inline void __init unlock_ExtINT_logic(void)
 
 	entry1.dest_mode = 0;			/* physical delivery */
 	entry1.mask = 0;			/* unmask IRQ now */
-	entry1.dest.physical.physical_dest = hard_smp_processor_id();
+	entry1.dest = hard_smp_processor_id();
 	entry1.delivery_mode = dest_ExtINT;
 	entry1.polarity = entry0.polarity;
 	entry1.trigger = 0;
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h
index 8ec68a50cf1..ce818292d2c 100644
--- a/include/asm-x86/io_apic.h
+++ b/include/asm-x86/io_apic.h
@@ -87,24 +87,8 @@ struct IO_APIC_route_entry {
 		mask		:  1,	/* 0: enabled, 1: disabled */
 		__reserved_2	: 15;
 
-#ifdef CONFIG_X86_32
-	union {
-		struct {
-			__u32	__reserved_1	: 24,
-				physical_dest	:  4,
-				__reserved_2	:  4;
-		} physical;
-
-		struct {
-			__u32	__reserved_1	: 24,
-				logical_dest	:  8;
-		} logical;
-	} dest;
-#else
 	__u32	__reserved_3	: 24,
 		dest		:  8;
-#endif
-
 } __attribute__ ((packed));
 
 struct IR_IO_APIC_route_entry {
-- 
GitLab


From 1d02519242c23450b043e5e8a9e3cb84a8666fe3 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:34 -0700
Subject: [PATCH 0674/2224] x86: ordering functions in io_apic_32.c

prepare for unification:

try to make functions be of the same order to io_apic_64.c.

v2: add calling setup_msi_irq back to arch_setup_msi_irq

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 178 ++++++++++++++++++-----------------
 1 file changed, 94 insertions(+), 84 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 353e586822a..9531ef33362 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -1029,23 +1029,6 @@ static int pin_2_irq(int idx, int apic, int pin)
 	return irq;
 }
 
-static inline int IO_APIC_irq_trigger(int irq)
-{
-	int apic, idx, pin;
-
-	for (apic = 0; apic < nr_ioapics; apic++) {
-		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-			idx = find_irq_entry(apic, pin, mp_INT);
-			if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
-				return irq_trigger(idx);
-		}
-	}
-	/*
-	 * nonexistent IRQs are edge default
-	 */
-	return 0;
-}
-
 void lock_vector_lock(void)
 {
 	/* Used to the online set of cpus does not change
@@ -1190,6 +1173,23 @@ static struct irq_chip ioapic_chip;
 #define IOAPIC_EDGE	0
 #define IOAPIC_LEVEL	1
 
+static inline int IO_APIC_irq_trigger(int irq)
+{
+	int apic, idx, pin;
+
+	for (apic = 0; apic < nr_ioapics; apic++) {
+		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
+			idx = find_irq_entry(apic, pin, mp_INT);
+			if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
+				return irq_trigger(idx);
+		}
+	}
+	/*
+	 * nonexistent IRQs are edge default
+	 */
+	return 0;
+}
+
 static void ioapic_register_intr(int irq, unsigned long trigger)
 {
 	struct irq_desc *desc;
@@ -1926,55 +1926,6 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
 	return was_pending;
 }
 
-static void irq_complete_move(unsigned int irq);
-static void ack_ioapic_irq(unsigned int irq)
-{
-	irq_complete_move(irq);
-	move_native_irq(irq);
-	ack_APIC_irq();
-}
-
-static void ack_ioapic_quirk_irq(unsigned int irq)
-{
-	unsigned long v;
-	int i;
-
-	irq_complete_move(irq);
-	move_native_irq(irq);
-/*
- * It appears there is an erratum which affects at least version 0x11
- * of I/O APIC (that's the 82093AA and cores integrated into various
- * chipsets).  Under certain conditions a level-triggered interrupt is
- * erroneously delivered as edge-triggered one but the respective IRR
- * bit gets set nevertheless.  As a result the I/O unit expects an EOI
- * message but it will never arrive and further interrupts are blocked
- * from the source.  The exact reason is so far unknown, but the
- * phenomenon was observed when two consecutive interrupt requests
- * from a given source get delivered to the same CPU and the source is
- * temporarily disabled in between.
- *
- * A workaround is to simulate an EOI message manually.  We achieve it
- * by setting the trigger mode to edge and then to level when the edge
- * trigger mode gets detected in the TMR of a local APIC for a
- * level-triggered interrupt.  We mask the source for the time of the
- * operation to prevent an edge-triggered interrupt escaping meanwhile.
- * The idea is from Manfred Spraul.  --macro
- */
-	i = irq_cfg(irq)->vector;
-
-	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
-
-	ack_APIC_irq();
-
-	if (!(v & (1 << (i & 0x1f)))) {
-		atomic_inc(&irq_mis_count);
-		spin_lock(&ioapic_lock);
-		__mask_and_edge_IO_APIC_irq(irq);
-		__unmask_and_level_IO_APIC_irq(irq);
-		spin_unlock(&ioapic_lock);
-	}
-}
-
 static int ioapic_retrigger_irq(unsigned int irq)
 {
 	send_IPI_self(irq_cfg(irq)->vector);
@@ -2040,13 +1991,61 @@ static void irq_complete_move(unsigned int irq)
 static inline void irq_complete_move(unsigned int irq) {}
 #endif
 
+static void ack_apic_edge(unsigned int irq)
+{
+	irq_complete_move(irq);
+	move_native_irq(irq);
+	ack_APIC_irq();
+}
+
+static void ack_apic_level(unsigned int irq)
+{
+	unsigned long v;
+	int i;
+
+	irq_complete_move(irq);
+	move_native_irq(irq);
+/*
+ * It appears there is an erratum which affects at least version 0x11
+ * of I/O APIC (that's the 82093AA and cores integrated into various
+ * chipsets).  Under certain conditions a level-triggered interrupt is
+ * erroneously delivered as edge-triggered one but the respective IRR
+ * bit gets set nevertheless.  As a result the I/O unit expects an EOI
+ * message but it will never arrive and further interrupts are blocked
+ * from the source.  The exact reason is so far unknown, but the
+ * phenomenon was observed when two consecutive interrupt requests
+ * from a given source get delivered to the same CPU and the source is
+ * temporarily disabled in between.
+ *
+ * A workaround is to simulate an EOI message manually.  We achieve it
+ * by setting the trigger mode to edge and then to level when the edge
+ * trigger mode gets detected in the TMR of a local APIC for a
+ * level-triggered interrupt.  We mask the source for the time of the
+ * operation to prevent an edge-triggered interrupt escaping meanwhile.
+ * The idea is from Manfred Spraul.  --macro
+ */
+	i = irq_cfg(irq)->vector;
+
+	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
+
+	ack_APIC_irq();
+
+	if (!(v & (1 << (i & 0x1f)))) {
+		atomic_inc(&irq_mis_count);
+		spin_lock(&ioapic_lock);
+		__mask_and_edge_IO_APIC_irq(irq);
+		__unmask_and_level_IO_APIC_irq(irq);
+		spin_unlock(&ioapic_lock);
+	}
+}
+
 static struct irq_chip ioapic_chip __read_mostly = {
 	.name 		= "IO-APIC",
 	.startup 	= startup_ioapic_irq,
 	.mask	 	= mask_IO_APIC_irq,
 	.unmask	 	= unmask_IO_APIC_irq,
-	.ack 		= ack_ioapic_irq,
-	.eoi 		= ack_ioapic_quirk_irq,
+	.ack 		= ack_apic_edge,
+	.eoi 		= ack_apic_level,
 #ifdef CONFIG_SMP
 	.set_affinity 	= set_ioapic_affinity_irq,
 #endif
@@ -2094,11 +2093,6 @@ static inline void init_IO_APIC_traps(void)
  * The local APIC irq-chip implementation:
  */
 
-static void ack_lapic_irq(unsigned int irq)
-{
-	ack_APIC_irq();
-}
-
 static void mask_lapic_irq(unsigned int irq)
 {
 	unsigned long v;
@@ -2115,6 +2109,11 @@ static void unmask_lapic_irq(unsigned int irq)
 	apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED);
 }
 
+static void ack_lapic_irq(unsigned int irq)
+{
+	ack_APIC_irq();
+}
+
 static struct irq_chip lapic_chip __read_mostly = {
 	.name		= "local-APIC",
 	.mask		= mask_lapic_irq,
@@ -2636,13 +2635,31 @@ static struct irq_chip msi_chip = {
 	.name		= "PCI-MSI",
 	.unmask		= unmask_msi_irq,
 	.mask		= mask_msi_irq,
-	.ack		= ack_ioapic_irq,
+	.ack		= ack_apic_edge,
 #ifdef CONFIG_SMP
 	.set_affinity	= set_msi_irq_affinity,
 #endif
 	.retrigger	= ioapic_retrigger_irq,
 };
 
+
+static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
+{
+	int ret;
+	struct msi_msg msg;
+
+	ret = msi_compose_msg(dev, irq, &msg);
+	if (ret < 0)
+		return ret;
+
+	set_irq_msi(irq, desc);
+	write_msi_msg(irq, &msg);
+
+	set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge");
+
+	return 0;
+}
+
 static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
 {
 	unsigned int irq;
@@ -2657,7 +2674,6 @@ static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
 
 int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 {
-	struct msi_msg msg;
 	int irq, ret;
 
 	unsigned int irq_want;
@@ -2669,17 +2685,11 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 	if (irq == 0)
 		return -1;
 
-	ret = msi_compose_msg(dev, irq, &msg);
+	ret = setup_msi_irq(dev, desc, irq);
 	if (ret < 0) {
 		destroy_irq(irq);
 		return ret;
-	}
-
-	set_irq_msi(irq, desc);
-	write_msi_msg(irq, &msg);
-
-	set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq,
-				      "edge");
+        }
 
 	return 0;
 }
@@ -2738,7 +2748,7 @@ static struct irq_chip ht_irq_chip = {
 	.name		= "PCI-HT",
 	.mask		= mask_ht_irq,
 	.unmask		= unmask_ht_irq,
-	.ack		= ack_ioapic_irq,
+	.ack		= ack_apic_edge,
 #ifdef CONFIG_SMP
 	.set_affinity	= set_ht_irq_affinity,
 #endif
-- 
GitLab


From 8ea5371baa82db452a8d93e9977b418d30944e32 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:35 -0700
Subject: [PATCH 0675/2224] x86: ordering functions in io_apic_64.c

try to make functions have the same order between 32-bit and 64-bit.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 67 ++++++++++++++++++------------------
 1 file changed, 33 insertions(+), 34 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 30d2e381131..07e1e45ee02 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -409,40 +409,6 @@ static bool io_apic_level_ack_pending(unsigned int irq)
 	return false;
 }
 
-/*
- * Synchronize the IO-APIC and the CPU by doing
- * a dummy read from the IO-APIC
- */
-static inline void io_apic_sync(unsigned int apic)
-{
-	struct io_apic __iomem *io_apic = io_apic_base(apic);
-	readl(&io_apic->data);
-}
-
-#define __DO_ACTION(R, ACTION, FINAL)					\
-									\
-{									\
-	int pin;							\
-	struct irq_cfg *cfg;						\
-	struct irq_pin_list *entry;					\
-									\
-	cfg = irq_cfg(irq);						\
-	entry = cfg->irq_2_pin;						\
-	for (;;) {							\
-		unsigned int reg;					\
-		if (!entry)						\
-			break;						\
-		pin = entry->pin;					\
-		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
-		reg ACTION;						\
-		io_apic_modify(entry->apic, reg);			\
-		FINAL;							\
-		if (!entry->next)					\
-			break;						\
-		entry = entry->next;					\
-	}								\
-}
-
 union entry_union {
 	struct { u32 w1, w2; };
 	struct IO_APIC_route_entry entry;
@@ -627,6 +593,39 @@ static void __init replace_pin_at_irq(unsigned int irq,
 		add_pin_to_irq(irq, newapic, newpin);
 }
 
+/*
+ * Synchronize the IO-APIC and the CPU by doing
+ * a dummy read from the IO-APIC
+ */
+static inline void io_apic_sync(unsigned int apic)
+{
+	struct io_apic __iomem *io_apic = io_apic_base(apic);
+	readl(&io_apic->data);
+}
+
+#define __DO_ACTION(R, ACTION, FINAL)					\
+									\
+{									\
+	int pin;							\
+	struct irq_cfg *cfg;						\
+	struct irq_pin_list *entry;					\
+									\
+	cfg = irq_cfg(irq);						\
+	entry = cfg->irq_2_pin;						\
+	for (;;) {							\
+		unsigned int reg;					\
+		if (!entry)						\
+			break;						\
+		pin = entry->pin;					\
+		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
+		reg ACTION;						\
+		io_apic_modify(entry->apic, reg);			\
+		FINAL;							\
+		if (!entry->next)					\
+			break;						\
+		entry = entry->next;					\
+	}								\
+}
 
 #define DO_ACTION(name,R,ACTION, FINAL)					\
 									\
-- 
GitLab


From efa2559f65167989f1893cb065e3126d4f13ba60 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:36 -0700
Subject: [PATCH 0676/2224] x86: order variables in io_apic_xx.c

move first_system_vector to apic_64.c.

also add #ifdef CONFIG_INTR_REMAP to prepare 32 bit to use
same file.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_64.c    |   5 ++
 arch/x86/kernel/io_apic_32.c |  79 ++++++++---------
 arch/x86/kernel/io_apic_64.c | 160 +++++++++++++++++++----------------
 3 files changed, 127 insertions(+), 117 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 94ddb69ae15..4d7a188025b 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -33,6 +33,7 @@
 #include <asm/smp.h>
 #include <asm/mtrr.h>
 #include <asm/mpspec.h>
+#include <asm/desc.h>
 #include <asm/hpet.h>
 #include <asm/pgalloc.h>
 #include <asm/nmi.h>
@@ -59,6 +60,10 @@ int x2apic_preenabled;
 int local_apic_timer_c2_ok;
 EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
 
+int first_system_vector = 0xfe;
+
+char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE};
+
 /*
  * Debug level, exported for io_apic.c
  */
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 9531ef33362..3010bdd3352 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -54,24 +54,22 @@
 
 #define __apicdebuginit(type) static type __init
 
-int (*ioapic_renumber_irq)(int ioapic, int irq);
-atomic_t irq_mis_count;
-
-/* Where if anywhere is the i8259 connect in external int mode */
-static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
-
-static DEFINE_SPINLOCK(ioapic_lock);
-static DEFINE_SPINLOCK(vector_lock);
-
-int timer_through_8259 __initdata;
-
 /*
  *	Is the SiS APIC rmw bug present ?
  *	-1 = don't know, 0 = no, 1 = yes
  */
 int sis_apic_bug = -1;
 
+static DEFINE_SPINLOCK(ioapic_lock);
+static DEFINE_SPINLOCK(vector_lock);
+
 int first_free_entry;
+/*
+ * Rough estimation of how many shared IRQs there are, can
+ * be changed anytime.
+ */
+int pin_map_size;
+
 /*
  * # of IRQ routing registers
  */
@@ -93,7 +91,15 @@ int mp_bus_id_to_type[MAX_MP_BUSSES];
 
 DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 
-static int disable_timer_pin_1 __initdata;
+int skip_ioapic_setup;
+
+static int __init parse_noapic(char *arg)
+{
+	/* disable IO-APIC */
+	disable_ioapic_setup();
+	return 0;
+}
+early_param("noapic", parse_noapic);
 
 struct irq_cfg;
 struct irq_pin_list;
@@ -268,13 +274,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 	return cfg;
 }
 
-static int assign_irq_vector(int irq, cpumask_t mask);
-/*
- * Rough estimation of how many shared IRQs there are, can
- * be changed anytime.
- */
-int pin_map_size;
-
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -465,6 +464,9 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 		entry = entry->next;
 	}
 }
+
+static int assign_irq_vector(int irq, cpumask_t mask);
+
 static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 {
 	struct irq_cfg *cfg;
@@ -677,7 +679,6 @@ void send_IPI_self(int vector)
 #define MAX_PIRQS 8
 static int pirq_entries [MAX_PIRQS];
 static int pirqs_enabled;
-int skip_ioapic_setup;
 
 static int __init ioapic_pirq_setup(char *str)
 {
@@ -981,6 +982,7 @@ static inline int irq_trigger(int idx)
 	return MPBIOS_trigger(idx);
 }
 
+int (*ioapic_renumber_irq)(int ioapic, int irq);
 static int pin_2_irq(int idx, int apic, int pin)
 {
 	int irq, i;
@@ -1621,6 +1623,9 @@ __apicdebuginit(int) print_all_ICs(void)
 fs_initcall(print_all_ICs);
 
 
+/* Where if anywhere is the i8259 connect in external int mode */
+static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
+
 static void __init enable_IO_APIC(void)
 {
 	union IO_APIC_reg_01 reg_01;
@@ -1998,6 +2003,7 @@ static void ack_apic_edge(unsigned int irq)
 	ack_APIC_irq();
 }
 
+atomic_t irq_mis_count;
 static void ack_apic_level(unsigned int irq)
 {
 	unsigned long v;
@@ -2208,6 +2214,17 @@ static inline void __init unlock_ExtINT_logic(void)
 	ioapic_write_entry(apic, pin, entry0);
 }
 
+static int disable_timer_pin_1 __initdata;
+
+static int __init parse_disable_timer_pin_1(char *arg)
+{
+	disable_timer_pin_1 = 1;
+	return 0;
+}
+early_param("disable_timer_pin_1", parse_disable_timer_pin_1);
+
+int timer_through_8259 __initdata;
+
 /*
  * This code may look a bit paranoid, but it's supposed to cooperate with
  * a wide range of boards and BIOS bugs.  Fortunately only the timer IRQ
@@ -2983,28 +3000,6 @@ void __init setup_ioapic_dest(void)
 }
 #endif
 
-static int __init parse_disable_timer_pin_1(char *arg)
-{
-	disable_timer_pin_1 = 1;
-	return 0;
-}
-early_param("disable_timer_pin_1", parse_disable_timer_pin_1);
-
-static int __init parse_enable_timer_pin_1(char *arg)
-{
-	disable_timer_pin_1 = -1;
-	return 0;
-}
-early_param("enable_timer_pin_1", parse_enable_timer_pin_1);
-
-static int __init parse_noapic(char *arg)
-{
-	/* disable IO-APIC */
-	disable_ioapic_setup();
-	return 0;
-}
-early_param("noapic", parse_noapic);
-
 void __init ioapic_init_mappings(void)
 {
 	unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 07e1e45ee02..847aa798764 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -57,6 +57,47 @@
 
 #define __apicdebuginit(type) static type __init
 
+int ioapic_force;
+
+int sis_apic_bug; /* not actually supported, dummy for compile */
+
+static DEFINE_SPINLOCK(ioapic_lock);
+static DEFINE_SPINLOCK(vector_lock);
+
+int first_free_entry;
+/*
+ * Rough estimation of how many shared IRQs there are, can
+ * be changed anytime.
+ */
+int pin_map_size;
+
+/*
+ * # of IRQ routing registers
+ */
+int nr_ioapic_registers[MAX_IO_APICS];
+
+/* I/O APIC entries */
+struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
+int nr_ioapics;
+
+/* MP IRQ source entries */
+struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
+
+/* # of MP IRQ source entries */
+int mp_irq_entries;
+
+DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
+
+int skip_ioapic_setup;
+
+static int __init parse_noapic(char *str)
+{
+	disable_ioapic_setup();
+	return 0;
+}
+early_param("noapic", parse_noapic);
+
+
 struct irq_cfg;
 struct irq_pin_list;
 struct irq_cfg {
@@ -228,53 +269,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 	return cfg;
 }
 
-static int assign_irq_vector(int irq, cpumask_t mask);
-
-int first_system_vector = 0xfe;
-
-char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE};
-
-int sis_apic_bug; /* not actually supported, dummy for compile */
-
-static int no_timer_check;
-
-static int disable_timer_pin_1 __initdata;
-
-int timer_through_8259 __initdata;
-
-/* Where if anywhere is the i8259 connect in external int mode */
-static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
-
-static DEFINE_SPINLOCK(ioapic_lock);
-static DEFINE_SPINLOCK(vector_lock);
-
-/*
- * # of IRQ routing registers
- */
-int nr_ioapic_registers[MAX_IO_APICS];
-
-/* I/O APIC RTE contents at the OS boot up */
-struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS];
-
-/* I/O APIC entries */
-struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
-int nr_ioapics;
-
-/* MP IRQ source entries */
-struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
-
-/* # of MP IRQ source entries */
-int mp_irq_entries;
-
-DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
-
-/*
- * Rough estimation of how many shared IRQs there are, can
- * be changed anytime.
- */
-
-int pin_map_size;
-
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -481,12 +475,16 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 
 		apic = entry->apic;
 		pin = entry->pin;
+#ifdef CONFIG_INTR_REMAP
 		/*
 		 * With interrupt-remapping, destination information comes
 		 * from interrupt-remapping table entry.
 		 */
 		if (!irq_remapped(irq))
 			io_apic_write(apic, 0x11 + pin*2, dest);
+#else
+		io_apic_write(apic, 0x11 + pin*2, dest);
+#endif
 		reg = io_apic_read(apic, 0x10 + pin*2);
 		reg &= ~IO_APIC_REDIR_VECTOR_MASK;
 		reg |= vector;
@@ -497,6 +495,8 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 	}
 }
 
+static int assign_irq_vector(int irq, cpumask_t mask);
+
 static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 {
 	struct irq_cfg *cfg = irq_cfg(irq);
@@ -533,7 +533,6 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
  * shared ISA-space IRQs, so we have to support them. We are super
  * fast in the common case, and fast for shared ISA-space IRQs.
  */
-int first_free_entry;
 static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 {
 	struct irq_cfg *cfg;
@@ -679,6 +678,10 @@ static void clear_IO_APIC (void)
 			clear_IO_APIC_pin(apic, pin);
 }
 
+#ifdef CONFIG_INTR_REMAP
+/* I/O APIC RTE contents at the OS boot up */
+static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS];
+
 /*
  * Saves and masks all the unmasked IO-APIC RTE's
  */
@@ -741,25 +744,7 @@ void reinit_intr_remapped_IO_APIC(int intr_remapping)
 	 */
 	restore_IO_APIC_setup();
 }
-
-int skip_ioapic_setup;
-int ioapic_force;
-
-static int __init parse_noapic(char *str)
-{
-	disable_ioapic_setup();
-	return 0;
-}
-early_param("noapic", parse_noapic);
-
-/* Actually the next is obsolete, but keep it for paranoid reasons -AK */
-static int __init disable_timer_pin_setup(char *arg)
-{
-	disable_timer_pin_1 = 1;
-	return 1;
-}
-__setup("disable_timer_pin_1", disable_timer_pin_setup);
-
+#endif
 
 /*
  * Find the IRQ entry number of a certain pin.
@@ -1327,8 +1312,10 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
 {
 	struct IO_APIC_route_entry entry;
 
+#ifdef CONFIG_INTR_REMAP
 	if (intr_remapping_enabled)
 		return;
+#endif
 
 	memset(&entry, 0, sizeof(entry));
 
@@ -1601,6 +1588,9 @@ __apicdebuginit(int) print_all_ICs(void)
 fs_initcall(print_all_ICs);
 
 
+/* Where if anywhere is the i8259 connect in external int mode */
+static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
+
 void __init enable_IO_APIC(void)
 {
 	union IO_APIC_reg_01 reg_01;
@@ -1695,6 +1685,15 @@ void disable_IO_APIC(void)
 	disconnect_bsp_APIC(ioapic_i8259.pin != -1);
 }
 
+static int no_timer_check;
+
+static int __init notimercheck(char *s)
+{
+	no_timer_check = 1;
+	return 1;
+}
+__setup("no_timer_check", notimercheck);
+
 /*
  * There is a nasty bug in some older SMP boards, their mptable lies
  * about the timer IRQ. We do the following to work around the situation:
@@ -1708,6 +1707,9 @@ static int __init timer_irq_works(void)
 	unsigned long t1 = jiffies;
 	unsigned long flags;
 
+	if (no_timer_check)
+		return 1;
+
 	local_save_flags(flags);
 	local_irq_enable();
 	/* Let ten ticks pass... */
@@ -2239,6 +2241,17 @@ static inline void __init unlock_ExtINT_logic(void)
 	ioapic_write_entry(apic, pin, entry0);
 }
 
+static int disable_timer_pin_1 __initdata;
+/* Actually the next is obsolete, but keep it for paranoid reasons -AK */
+static int __init disable_timer_pin_setup(char *arg)
+{
+	disable_timer_pin_1 = 1;
+	return 0;
+}
+early_param("disable_timer_pin_1", disable_timer_pin_setup);
+
+int timer_through_8259 __initdata;
+
 /*
  * This code may look a bit paranoid, but it's supposed to cooperate with
  * a wide range of boards and BIOS bugs.  Fortunately only the timer IRQ
@@ -2286,8 +2299,10 @@ static inline void __init check_timer(void)
 	 * 8259A.
 	 */
 	if (pin1 == -1) {
+#ifdef CONFIG_INTR_REMAP
 		if (intr_remapping_enabled)
 			panic("BIOS bug: timer not connected to IO-APIC");
+#endif
 		pin1 = pin2;
 		apic1 = apic2;
 		no_pin1 = 1;
@@ -2305,7 +2320,7 @@ static inline void __init check_timer(void)
 			setup_timer_IRQ0_pin(apic1, pin1, cfg->vector);
 		}
 		unmask_IO_APIC_irq(0);
-		if (!no_timer_check && timer_irq_works()) {
+		if (timer_irq_works()) {
 			if (nmi_watchdog == NMI_IO_APIC) {
 				setup_nmi();
 				enable_8259A_irq(0);
@@ -2314,8 +2329,10 @@ static inline void __init check_timer(void)
 				clear_IO_APIC_pin(0, pin1);
 			goto out;
 		}
+#ifdef CONFIG_INTR_REMAP
 		if (intr_remapping_enabled)
 			panic("timer doesn't work through Interrupt-remapped IO-APIC");
+#endif
 		clear_IO_APIC_pin(apic1, pin1);
 		if (!no_pin1)
 			apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: "
@@ -2391,13 +2408,6 @@ out:
 	local_irq_restore(flags);
 }
 
-static int __init notimercheck(char *s)
-{
-	no_timer_check = 1;
-	return 1;
-}
-__setup("no_timer_check", notimercheck);
-
 /*
  * Traditionally ISA IRQ2 is the cascade IRQ, and is not available
  * to devices.  However there may be an I/O APIC pin available for
-- 
GitLab


From e955b5398b660a204854bdff059d050b44090879 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 19 Aug 2008 20:50:37 -0700
Subject: [PATCH 0677/2224] sparseirq: fix lockdep

-tip testing found this lockdep splat:

[    0.000000] Initializing CPU#0
[    0.000000] found new irq_desc for irq 0
[    0.000000] INFO: trying to register non-static key.
[    0.000000] the code is fine but needs lockdep annotation.
[    0.000000] turning off the locking correctness validator.
[    0.000000] Pid: 0, comm: swapper Not tainted 2.6.27-rc3-tip-00191-g98ccb89-dirty #1
[    0.000000]  [<c0153c22>] register_lock_class+0x3d2/0x400
[    0.000000]  [<c0104d87>] ? mcount_call+0x5/0xa
[    0.000000]  [<c0154f3a>] __lock_acquire+0x22a/0x5d0
[    0.000000]  [<c0104d87>] ? mcount_call+0x5/0xa
[    0.000000]  [<c0155351>] lock_acquire+0x71/0xa0
[    0.000000]  [<c016d61f>] ? set_irq_chip+0x3f/0x90
[    0.000000]  [<c070f148>] _spin_lock_irqsave+0x58/0x90
[    0.000000]  [<c016d61f>] ? set_irq_chip+0x3f/0x90
[    0.000000]  [<c016d61f>] set_irq_chip+0x3f/0x90
[    0.000000]  [<c016d7e0>] ? handle_level_irq+0x0/0xe0
[    0.000000]  [<c016da1a>] set_irq_chip_and_handler_name+0x1a/0x40
[    0.000000]  [<c0a396c1>] init_ISA_irqs+0x51/0xa0
[    0.000000]  [<c0a4a365>] pre_intr_init_hook+0x25/0x30
[    0.000000]  [<c0a39723>] native_init_IRQ+0x13/0x370
[    0.000000]  [<c015569c>] ? lock_release+0xcc/0x1d0
[    0.000000]  [<c0104d87>] ? mcount_call+0x5/0xa
[    0.000000]  [<c070dc22>] ? __mutex_unlock_slowpath+0x92/0x110
[    0.000000]  [<c070dcad>] ? mutex_unlock+0xd/0x10
[    0.000000]  [<c0135f62>] ? cpu_maps_update_done+0x12/0x20
[    0.000000]  [<c06c6743>] ? register_cpu_notifier+0x23/0x30
[    0.000000]  [<c011e8ae>] init_IRQ+0xe/0x10
[    0.000000]  [<c0a357a5>] start_kernel+0x1c5/0x340
[    0.000000]  [<c0a35280>] ? unknown_bootoption+0x0/0x210
[    0.000000]  [<c0a3506b>] i386_start_kernel+0x6b/0x80
[    0.000000]  =======================
[    0.000000] found new irq_desc for irq 1
[    0.000000] found new irq_desc for irq 2
[    0.000000] found new irq_desc for irq 3

this:

 static void init_one_irq_desc(struct irq_desc *desc)
 {
         memcpy(desc, &irq_desc_init, sizeof(struct irq_desc));
 #ifdef CONFIG_TRACE_IRQFLAGS
         lockdep_set_class(&desc->lock, &irq_desc_lock_class);
 #endif
 }

should be unconditional.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/handle.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 6d174390f3a..24c83a3cee4 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -18,13 +18,10 @@
 
 #include "internals.h"
 
-#ifdef CONFIG_TRACE_IRQFLAGS
-
 /*
  * lockdep: we want to handle all irq_desc locks as a single lock-class:
  */
 static struct lock_class_key irq_desc_lock_class;
-#endif
 
 /**
  * handle_bad_irq - handle spurious and unhandled irqs
@@ -75,9 +72,7 @@ static struct irq_desc irq_desc_init = {
 static void init_one_irq_desc(struct irq_desc *desc)
 {
 	memcpy(desc, &irq_desc_init, sizeof(struct irq_desc));
-#ifdef CONFIG_TRACE_IRQFLAGS
 	lockdep_set_class(&desc->lock, &irq_desc_lock_class);
-#endif
 }
 
 extern int after_bootmem;
-- 
GitLab


From d4057bdb6a3bb85dd44f9f39f41eac53696fd637 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:38 -0700
Subject: [PATCH 0678/2224] x86: make headers files the same in io_apic_xx.c

also make no_timer_check to be global on 64 bit, because vmi_32 is using that.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 15 ++++++++++++---
 arch/x86/kernel/io_apic_64.c | 12 +++++++++---
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 3010bdd3352..48184e126f2 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -25,28 +25,37 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/sched.h>
-#include <linux/bootmem.h>
+#include <linux/pci.h>
 #include <linux/mc146818rtc.h>
 #include <linux/compiler.h>
 #include <linux/acpi.h>
 #include <linux/module.h>
 #include <linux/sysdev.h>
-#include <linux/pci.h>
 #include <linux/msi.h>
 #include <linux/htirq.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
-#include <linux/jiffies.h>	/* time_after() */
+#include <linux/jiffies.h>      /* time_after() */
+#ifdef CONFIG_ACPI
+#include <acpi/acpi_bus.h>
+#endif
+#include <linux/bootmem.h>
+#include <linux/dmar.h>
 
+#include <asm/idle.h>
 #include <asm/io.h>
 #include <asm/smp.h>
 #include <asm/desc.h>
+#include <asm/proto.h>
+#include <asm/acpi.h>
+#include <asm/dma.h>
 #include <asm/timer.h>
 #include <asm/i8259.h>
 #include <asm/nmi.h>
 #include <asm/msidef.h>
 #include <asm/hypertransport.h>
 #include <asm/setup.h>
+#include <asm/irq_remapping.h>
 
 #include <mach_ipi.h>
 #include <mach_apic.h>
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 847aa798764..3c66e5a8e89 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -27,12 +27,15 @@
 #include <linux/sched.h>
 #include <linux/pci.h>
 #include <linux/mc146818rtc.h>
+#include <linux/compiler.h>
 #include <linux/acpi.h>
+#include <linux/module.h>
 #include <linux/sysdev.h>
 #include <linux/msi.h>
 #include <linux/htirq.h>
-#include <linux/dmar.h>
-#include <linux/jiffies.h>
+#include <linux/freezer.h>
+#include <linux/kthread.h>
+#include <linux/jiffies.h>	/* time_after() */
 #ifdef CONFIG_ACPI
 #include <acpi/acpi_bus.h>
 #endif
@@ -46,14 +49,17 @@
 #include <asm/proto.h>
 #include <asm/acpi.h>
 #include <asm/dma.h>
+#include <asm/timer.h>
 #include <asm/i8259.h>
 #include <asm/nmi.h>
 #include <asm/msidef.h>
 #include <asm/hypertransport.h>
+#include <asm/setup.h>
 #include <asm/irq_remapping.h>
 
 #include <mach_ipi.h>
 #include <mach_apic.h>
+#include <mach_apicdef.h>
 
 #define __apicdebuginit(type) static type __init
 
@@ -1685,7 +1691,7 @@ void disable_IO_APIC(void)
 	disconnect_bsp_APIC(ioapic_i8259.pin != -1);
 }
 
-static int no_timer_check;
+int no_timer_check __initdata;
 
 static int __init notimercheck(char *s)
 {
-- 
GitLab


From f876d213a59c363d2492e399cc6c24edd6f3c368 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:39 -0700
Subject: [PATCH 0679/2224] x86: make 64 handle sis_apic_bug like the 32 bit

do we have 64bit system with sis chipset?

[ mingo@elte.hu: nope, the problem chipset was 32-bit only.
                 The code symmetry is good nevertheless. ]

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_64.c | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 3c66e5a8e89..915af9b87aa 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -65,7 +65,11 @@
 
 int ioapic_force;
 
-int sis_apic_bug; /* not actually supported, dummy for compile */
+/*
+ *      Is the SiS APIC rmw bug present ?
+ *      -1 = don't know, 0 = no, 1 = yes
+ */
+int sis_apic_bug = -1;
 
 static DEFINE_SPINLOCK(ioapic_lock);
 static DEFINE_SPINLOCK(vector_lock);
@@ -373,9 +377,11 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i
  * Re-write a value: to be used for read-modify-write
  * cycles where the read already set up the index register.
  */
-static inline void io_apic_modify(unsigned int apic, unsigned int value)
+static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
 {
 	struct io_apic __iomem *io_apic = io_apic_base(apic);
+        if (sis_apic_bug)
+                writel(reg, &io_apic->index);
 	writel(value, &io_apic->data);
 }
 
@@ -494,7 +500,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 		reg = io_apic_read(apic, 0x10 + pin*2);
 		reg &= ~IO_APIC_REDIR_VECTOR_MASK;
 		reg |= vector;
-		io_apic_modify(apic, reg);
+		io_apic_modify(apic, 0x10 + pin*2, reg);
 		if (!entry->next)
 			break;
 		entry = entry->next;
@@ -624,7 +630,7 @@ static inline void io_apic_sync(unsigned int apic)
 		pin = entry->pin;					\
 		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
 		reg ACTION;						\
-		io_apic_modify(entry->apic, reg);			\
+		io_apic_modify(entry->apic, 0x10 + R + pin*2, reg);	\
 		FINAL;							\
 		if (!entry->next)					\
 			break;						\
@@ -2450,6 +2456,20 @@ void __init setup_IO_APIC(void)
 	check_timer();
 }
 
+/*
+ *      Called after all the initialization is done. If we didnt find any
+ *      APIC bugs then we can allow the modify fast path
+ */
+
+static int __init io_apic_bug_finalize(void)
+{
+        if (sis_apic_bug == -1)
+                sis_apic_bug = 0;
+        return 0;
+}
+
+late_initcall(io_apic_bug_finalize);
+
 struct sysfs_ioapic_data {
 	struct sys_device dev;
 	struct IO_APIC_route_entry entry[0];
-- 
GitLab


From aa45f97b1bb40adae1288669e73350907ffae85e Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:40 -0700
Subject: [PATCH 0680/2224] x86: remove ioapic_force

no user left.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_64.c    | 1 -
 arch/x86/kernel/io_apic_64.c | 2 --
 include/asm-x86/apic.h       | 2 --
 3 files changed, 5 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 4d7a188025b..cd860856a0b 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1813,7 +1813,6 @@ static int __init apic_set_verbosity(char *arg)
 	if (!arg)  {
 #ifdef CONFIG_X86_64
 		skip_ioapic_setup = 0;
-		ioapic_force = 1;
 		return 0;
 #endif
 		return -EINVAL;
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 915af9b87aa..b70fd823218 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -63,8 +63,6 @@
 
 #define __apicdebuginit(type) static type __init
 
-int ioapic_force;
-
 /*
  *      Is the SiS APIC rmw bug present ?
  *      -1 = don't know, 0 = no, 1 = yes
diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h
index d76a0839abe..2d970f6bc2a 100644
--- a/include/asm-x86/apic.h
+++ b/include/asm-x86/apic.h
@@ -40,8 +40,6 @@ extern void generic_apic_probe(void);
 extern unsigned int apic_verbosity;
 extern int local_apic_timer_c2_ok;
 
-extern int ioapic_force;
-
 extern int disable_apic;
 /*
  * Basic functions accessing APICs.
-- 
GitLab


From 047c8fdb8718890e3340073b178d0859d0c7f91f Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:41 -0700
Subject: [PATCH 0681/2224] x86: make io_apic_64.c and io_apic_32.c the same

all the same except INTR_REMAPPING related and ioapic io resource.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 213 ++++++++++-
 arch/x86/kernel/io_apic_64.c | 663 +++++++++++++++++++++++++++++++++--
 2 files changed, 829 insertions(+), 47 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 48184e126f2..3ed36041c81 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -123,7 +123,6 @@ struct irq_cfg {
 	u8 move_in_progress : 1;
 };
 
-
 /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
 static struct irq_cfg irq_cfg_legacy[] __initdata = {
 	[0]  = { .irq =  0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR,  },
@@ -391,6 +390,38 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned
 	writel(value, &io_apic->data);
 }
 
+#ifdef CONFIG_X86_64
+static bool io_apic_level_ack_pending(unsigned int irq)
+{
+	struct irq_pin_list *entry;
+	unsigned long flags;
+	struct irq_cfg *cfg = irq_cfg(irq);
+
+	spin_lock_irqsave(&ioapic_lock, flags);
+	entry = cfg->irq_2_pin;
+	for (;;) {
+		unsigned int reg;
+		int pin;
+
+		if (!entry)
+			break;
+		pin = entry->pin;
+		reg = io_apic_read(entry->apic, 0x10 + pin*2);
+		/* Is the remote IRR bit set? */
+		if (reg & IO_APIC_REDIR_REMOTE_IRR) {
+			spin_unlock_irqrestore(&ioapic_lock, flags);
+			return true;
+		}
+		if (!entry->next)
+			break;
+		entry = entry->next;
+	}
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+
+	return false;
+}
+#endif
+
 union entry_union {
 	struct { u32 w1, w2; };
 	struct IO_APIC_route_entry entry;
@@ -483,17 +514,15 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 	unsigned int dest;
 	cpumask_t tmp;
 
-	cfg = irq_cfg(irq);
-
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
 		return;
 
+	cfg = irq_cfg(irq);
 	if (assign_irq_vector(irq, mask))
 		return;
 
 	cpus_and(tmp, cfg->domain, mask);
-
 	dest = cpu_mask_to_apicid(tmp);
 	/*
 	 * Only the high 8 bits are valid.
@@ -572,6 +601,54 @@ static void __init replace_pin_at_irq(unsigned int irq,
 		add_pin_to_irq(irq, newapic, newpin);
 }
 
+#ifdef CONFIG_X86_64
+/*
+ * Synchronize the IO-APIC and the CPU by doing
+ * a dummy read from the IO-APIC
+ */
+static inline void io_apic_sync(unsigned int apic)
+{
+	struct io_apic __iomem *io_apic = io_apic_base(apic);
+	readl(&io_apic->data);
+}
+
+#define __DO_ACTION(R, ACTION, FINAL)					\
+									\
+{									\
+	int pin;							\
+	struct irq_cfg *cfg;						\
+	struct irq_pin_list *entry;					\
+									\
+	cfg = irq_cfg(irq);						\
+	entry = cfg->irq_2_pin;						\
+	for (;;) {							\
+		unsigned int reg;					\
+		if (!entry)						\
+			break;						\
+		pin = entry->pin;					\
+		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
+		reg ACTION;						\
+		io_apic_modify(entry->apic, 0x10 + R + pin*2, reg);	\
+		FINAL;							\
+		if (!entry->next)					\
+			break;						\
+		entry = entry->next;					\
+	}								\
+}
+
+#define DO_ACTION(name,R,ACTION, FINAL)					\
+									\
+	static void name##_IO_APIC_irq (unsigned int irq)		\
+	__DO_ACTION(R, ACTION, FINAL)
+
+/* mask = 1 */
+DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic))
+
+/* mask = 0 */
+DO_ACTION(__unmask,	0, &= ~IO_APIC_REDIR_MASKED, )
+
+#else
+
 static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable)
 {
 	struct irq_cfg *cfg;
@@ -620,6 +697,8 @@ static void __unmask_and_level_IO_APIC_irq(unsigned int irq)
 				IO_APIC_REDIR_MASKED);
 }
 
+#endif
+
 static void mask_IO_APIC_irq(unsigned int irq)
 {
 	unsigned long flags;
@@ -1055,6 +1134,17 @@ void unlock_vector_lock(void)
 
 static int __assign_irq_vector(int irq, cpumask_t mask)
 {
+	/*
+	 * NOTE! The local APIC isn't very good at handling
+	 * multiple interrupts at the same interrupt level.
+	 * As the interrupt level is determined by taking the
+	 * vector number and shifting that right by 4, we
+	 * want to spread these out a bit so that they don't
+	 * all fall in the same interrupt level.
+	 *
+	 * Also, we've got to be careful not to trash gate
+	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
+	 */
         static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
         unsigned int old_vector;
         int cpu;
@@ -1095,9 +1185,13 @@ next:
                 }
                 if (unlikely(current_vector == vector))
                         continue;
-		if (vector == SYSCALL_VECTOR)
+#ifdef CONFIG_X86_64
+                if (vector == IA32_SYSCALL_VECTOR)
                         goto next;
-
+#else
+                if (vector == SYSCALL_VECTOR)
+                        goto next;
+#endif
                 for_each_cpu_mask_nr(new_cpu, new_mask)
                         if (per_cpu(vector_irq, new_cpu)[vector] != -1)
                                 goto next;
@@ -1184,6 +1278,7 @@ static struct irq_chip ioapic_chip;
 #define IOAPIC_EDGE	0
 #define IOAPIC_LEVEL	1
 
+#ifdef CONFIG_X86_32
 static inline int IO_APIC_irq_trigger(int irq)
 {
 	int apic, idx, pin;
@@ -1200,6 +1295,12 @@ static inline int IO_APIC_irq_trigger(int irq)
 	 */
 	return 0;
 }
+#else
+static inline int IO_APIC_irq_trigger(int irq)
+{
+        return 1;
+}
+#endif
 
 static void ioapic_register_intr(int irq, unsigned long trigger)
 {
@@ -1212,15 +1313,18 @@ static void ioapic_register_intr(int irq, unsigned long trigger)
 		desc = irq_to_desc_alloc(irq);
 
 	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
-	    trigger == IOAPIC_LEVEL) {
+	    trigger == IOAPIC_LEVEL)
 		desc->status |= IRQ_LEVEL;
+	else
+		desc->status &= ~IRQ_LEVEL;
+
+	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
+	    trigger == IOAPIC_LEVEL)
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
 					 handle_fasteoi_irq, "fasteoi");
-	} else {
-		desc->status &= ~IRQ_LEVEL;
+	else
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
 					 handle_edge_irq, "edge");
-	}
 }
 
 static int setup_ioapic_entry(int apic, int irq,
@@ -1662,7 +1766,6 @@ static void __init enable_IO_APIC(void)
 			struct IO_APIC_route_entry entry;
 			entry = ioapic_read_entry(apic, pin);
 
-
 			/* If the interrupt line is enabled and in ExtInt mode
 			 * I have found the pin where the i8259 is connected.
 			 */
@@ -2012,6 +2115,60 @@ static void ack_apic_edge(unsigned int irq)
 	ack_APIC_irq();
 }
 
+#ifdef CONFIG_X86_64
+static void ack_apic_level(unsigned int irq)
+{
+        int do_unmask_irq = 0;
+
+        irq_complete_move(irq);
+#ifdef CONFIG_GENERIC_PENDING_IRQ
+        /* If we are moving the irq we need to mask it */
+        if (unlikely(desc->status & IRQ_MOVE_PENDING)) {
+                do_unmask_irq = 1;
+                mask_IO_APIC_irq(irq);
+        }
+#endif
+
+        /*
+         * We must acknowledge the irq before we move it or the acknowledge will
+         * not propagate properly.
+         */
+        ack_APIC_irq();
+
+        /* Now we can move and renable the irq */
+        if (unlikely(do_unmask_irq)) {
+                /* Only migrate the irq if the ack has been received.
+                 *
+                 * On rare occasions the broadcast level triggered ack gets
+                 * delayed going to ioapics, and if we reprogram the
+                 * vector while Remote IRR is still set the irq will never
+                 * fire again.
+                 *
+                 * To prevent this scenario we read the Remote IRR bit
+                 * of the ioapic.  This has two effects.
+                 * - On any sane system the read of the ioapic will
+                 *   flush writes (and acks) going to the ioapic from
+                 *   this cpu.
+                 * - We get to see if the ACK has actually been delivered.
+                 *
+                 * Based on failed experiments of reprogramming the
+                 * ioapic entry from outside of irq context starting
+                 * with masking the ioapic entry and then polling until
+                 * Remote IRR was clear before reprogramming the
+                 * ioapic I don't trust the Remote IRR bit to be
+                 * completey accurate.
+                 *
+                 * However there appears to be no other way to plug
+                 * this race, so if the Remote IRR bit is not
+                 * accurate and is causing problems then it is a hardware bug
+                 * and you can go talk to the chipset vendor about it.
+                 */
+                if (!io_apic_level_ack_pending(irq))
+                        move_masked_irq(irq, desc);
+                unmask_IO_APIC_irq(irq);
+        }
+}
+#else
 atomic_t irq_mis_count;
 static void ack_apic_level(unsigned int irq)
 {
@@ -2053,6 +2210,7 @@ static void ack_apic_level(unsigned int irq)
 		spin_unlock(&ioapic_lock);
 	}
 }
+#endif
 
 static struct irq_chip ioapic_chip __read_mostly = {
 	.name 		= "IO-APIC",
@@ -2224,7 +2382,7 @@ static inline void __init unlock_ExtINT_logic(void)
 }
 
 static int disable_timer_pin_1 __initdata;
-
+/* Actually the next is obsolete, but keep it for paranoid reasons -AK */
 static int __init parse_disable_timer_pin_1(char *arg)
 {
 	disable_timer_pin_1 = 1;
@@ -2244,9 +2402,9 @@ static inline void __init check_timer(void)
 {
 	struct irq_cfg *cfg = irq_cfg(0);
 	int apic1, pin1, apic2, pin2;
-	int no_pin1 = 0;
-	unsigned int ver;
 	unsigned long flags;
+	unsigned int ver;
+	int no_pin1 = 0;
 
 	local_irq_save(flags);
 
@@ -2550,6 +2708,7 @@ unsigned int create_irq_nr(unsigned int irq_want)
 		cfg_new = irq_cfg(new);
 		if (cfg_new && cfg_new->vector != 0)
 			continue;
+		/* check if need to create one */
 		if (!cfg_new)
 			cfg_new = irq_cfg_alloc(new);
 		if (__assign_irq_vector(new, TARGET_CPUS) == 0)
@@ -2720,6 +2879,32 @@ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 	return 0;
 }
 
+int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
+{
+        unsigned int irq;
+        int ret, sub_handle;
+        struct msi_desc *desc;
+        unsigned int irq_want;
+
+        irq_want = build_irq_for_pci_dev(dev) + 0x100;
+        sub_handle = 0;
+        list_for_each_entry(desc, &dev->msi_list, list) {
+                irq = create_irq_nr(irq_want--);
+                if (irq == 0)
+                        return -1;
+                ret = setup_msi_irq(dev, desc, irq);
+                if (ret < 0)
+                        goto error;
+                sub_handle++;
+        }
+        return 0;
+
+error:
+        destroy_irq(irq);
+        return ret;
+}
+
+
 void arch_teardown_msi_irq(unsigned int irq)
 {
 	destroy_irq(irq);
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index b70fd823218..940c4167b32 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -94,18 +94,22 @@ struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
 /* # of MP IRQ source entries */
 int mp_irq_entries;
 
+#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
+int mp_bus_id_to_type[MAX_MP_BUSSES];
+#endif
+
 DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 
 int skip_ioapic_setup;
 
 static int __init parse_noapic(char *str)
 {
+	/* disable IO-APIC */
 	disable_ioapic_setup();
 	return 0;
 }
 early_param("noapic", parse_noapic);
 
-
 struct irq_cfg;
 struct irq_pin_list;
 struct irq_cfg {
@@ -374,6 +378,8 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i
 /*
  * Re-write a value: to be used for read-modify-write
  * cycles where the read already set up the index register.
+ *
+ * Older SiS APIC requires we rewrite the index register
  */
 static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
 {
@@ -383,6 +389,7 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned
 	writel(value, &io_apic->data);
 }
 
+#ifdef CONFIG_X86_64
 static bool io_apic_level_ack_pending(unsigned int irq)
 {
 	struct irq_pin_list *entry;
@@ -412,6 +419,7 @@ static bool io_apic_level_ack_pending(unsigned int irq)
 
 	return false;
 }
+#endif
 
 union entry_union {
 	struct { u32 w1, w2; };
@@ -509,7 +517,7 @@ static int assign_irq_vector(int irq, cpumask_t mask);
 
 static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg(irq);
+	struct irq_cfg *cfg;
 	unsigned long flags;
 	unsigned int dest;
 	cpumask_t tmp;
@@ -519,12 +527,12 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 	if (cpus_empty(tmp))
 		return;
 
+	cfg = irq_cfg(irq);
 	if (assign_irq_vector(irq, mask))
 		return;
 
 	cpus_and(tmp, cfg->domain, mask);
 	dest = cpu_mask_to_apicid(tmp);
-
 	/*
 	 * Only the high 8 bits are valid.
 	 */
@@ -536,7 +544,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 	desc->affinity = mask;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
-#endif
+#endif /* CONFIG_SMP */
 
 /*
  * The common case is 1:1 IRQ<->pin mappings. Sometimes there are
@@ -602,6 +610,7 @@ static void __init replace_pin_at_irq(unsigned int irq,
 		add_pin_to_irq(irq, newapic, newpin);
 }
 
+#ifdef CONFIG_X86_64
 /*
  * Synchronize the IO-APIC and the CPU by doing
  * a dummy read from the IO-APIC
@@ -647,6 +656,58 @@ DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic))
 /* mask = 0 */
 DO_ACTION(__unmask,	0, &= ~IO_APIC_REDIR_MASKED, )
 
+#else
+
+static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable)
+{
+	struct irq_cfg *cfg;
+	struct irq_pin_list *entry;
+	unsigned int pin, reg;
+
+	cfg = irq_cfg(irq);
+	entry = cfg->irq_2_pin;
+	for (;;) {
+		if (!entry)
+			break;
+		pin = entry->pin;
+		reg = io_apic_read(entry->apic, 0x10 + pin*2);
+		reg &= ~disable;
+		reg |= enable;
+		io_apic_modify(entry->apic, 0x10 + pin*2, reg);
+		if (!entry->next)
+			break;
+		entry = entry->next;
+	}
+}
+
+/* mask = 1 */
+static void __mask_IO_APIC_irq(unsigned int irq)
+{
+	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, 0);
+}
+
+/* mask = 0 */
+static void __unmask_IO_APIC_irq(unsigned int irq)
+{
+	__modify_IO_APIC_irq(irq, 0, IO_APIC_REDIR_MASKED);
+}
+
+/* mask = 1, trigger = 0 */
+static void __mask_and_edge_IO_APIC_irq(unsigned int irq)
+{
+	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED,
+				IO_APIC_REDIR_LEVEL_TRIGGER);
+}
+
+/* mask = 0, trigger = 1 */
+static void __unmask_and_level_IO_APIC_irq(unsigned int irq)
+{
+	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_LEVEL_TRIGGER,
+				IO_APIC_REDIR_MASKED);
+}
+
+#endif
+
 static void mask_IO_APIC_irq (unsigned int irq)
 {
 	unsigned long flags;
@@ -688,6 +749,64 @@ static void clear_IO_APIC (void)
 			clear_IO_APIC_pin(apic, pin);
 }
 
+#if !defined(CONFIG_SMP) && defined(CONFIG_X86_32)
+void send_IPI_self(int vector)
+{
+	unsigned int cfg;
+
+	/*
+	 * Wait for idle.
+	 */
+	apic_wait_icr_idle();
+	cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL;
+	/*
+	 * Send the IPI. The write to APIC_ICR fires this off.
+	 */
+	apic_write(APIC_ICR, cfg);
+}
+#endif /* !CONFIG_SMP && CONFIG_X86_32*/
+
+#ifdef CONFIG_X86_32
+/*
+ * support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to
+ * specific CPU-side IRQs.
+ */
+
+#define MAX_PIRQS 8
+static int pirq_entries [MAX_PIRQS];
+static int pirqs_enabled;
+
+static int __init ioapic_pirq_setup(char *str)
+{
+	int i, max;
+	int ints[MAX_PIRQS+1];
+
+	get_options(str, ARRAY_SIZE(ints), ints);
+
+	for (i = 0; i < MAX_PIRQS; i++)
+		pirq_entries[i] = -1;
+
+	pirqs_enabled = 1;
+	apic_printk(APIC_VERBOSE, KERN_INFO
+			"PIRQ redirection, working around broken MP-BIOS.\n");
+	max = MAX_PIRQS;
+	if (ints[0] < MAX_PIRQS)
+		max = ints[0];
+
+	for (i = 0; i < max; i++) {
+		apic_printk(APIC_VERBOSE, KERN_DEBUG
+				"... PIRQ%d -> IRQ %d\n", i, ints[i+1]);
+		/*
+		 * PIRQs are mapped upside down, usually.
+		 */
+		pirq_entries[MAX_PIRQS-i-1] = ints[i+1];
+	}
+	return 1;
+}
+
+__setup("pirq=", ioapic_pirq_setup);
+#endif /* CONFIG_X86_32 */
+
 #ifdef CONFIG_INTR_REMAP
 /* I/O APIC RTE contents at the OS boot up */
 static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS];
@@ -861,18 +980,51 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 	return best_guess;
 }
 
+EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
+
+#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
+/*
+ * EISA Edge/Level control register, ELCR
+ */
+static int EISA_ELCR(unsigned int irq)
+{
+	if (irq < 16) {
+		unsigned int port = 0x4d0 + (irq >> 3);
+		return (inb(port) >> (irq & 7)) & 1;
+	}
+	apic_printk(APIC_VERBOSE, KERN_INFO
+			"Broken MPtable reports ISA irq %d\n", irq);
+	return 0;
+}
+
+#endif
+
 /* ISA interrupts are always polarity zero edge triggered,
  * when listed as conforming in the MP table. */
 
 #define default_ISA_trigger(idx)	(0)
 #define default_ISA_polarity(idx)	(0)
 
+/* EISA interrupts are always polarity zero and can be edge or level
+ * trigger depending on the ELCR value.  If an interrupt is listed as
+ * EISA conforming in the MP table, that means its trigger type must
+ * be read in from the ELCR */
+
+#define default_EISA_trigger(idx)	(EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
+#define default_EISA_polarity(idx)	default_ISA_polarity(idx)
+
 /* PCI interrupts are always polarity one level triggered,
  * when listed as conforming in the MP table. */
 
 #define default_PCI_trigger(idx)	(1)
 #define default_PCI_polarity(idx)	(1)
 
+/* MCA interrupts are always polarity zero level triggered,
+ * when listed as conforming in the MP table. */
+
+#define default_MCA_trigger(idx)	(1)
+#define default_MCA_polarity(idx)	default_ISA_polarity(idx)
+
 static int MPBIOS_polarity(int idx)
 {
 	int bus = mp_irqs[idx].mp_srcbus;
@@ -930,6 +1082,36 @@ static int MPBIOS_trigger(int idx)
 				trigger = default_ISA_trigger(idx);
 			else
 				trigger = default_PCI_trigger(idx);
+#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
+			switch (mp_bus_id_to_type[bus]) {
+				case MP_BUS_ISA: /* ISA pin */
+				{
+					/* set before the switch */
+					break;
+				}
+				case MP_BUS_EISA: /* EISA pin */
+				{
+					trigger = default_EISA_trigger(idx);
+					break;
+				}
+				case MP_BUS_PCI: /* PCI pin */
+				{
+					/* set before the switch */
+					break;
+				}
+				case MP_BUS_MCA: /* MCA pin */
+				{
+					trigger = default_MCA_trigger(idx);
+					break;
+				}
+				default:
+				{
+					printk(KERN_WARNING "broken BIOS!!\n");
+					trigger = 1;
+					break;
+				}
+			}
+#endif
 			break;
 		case 1: /* edge */
 		{
@@ -967,6 +1149,7 @@ static inline int irq_trigger(int idx)
 	return MPBIOS_trigger(idx);
 }
 
+int (*ioapic_renumber_irq)(int ioapic, int irq);
 static int pin_2_irq(int idx, int apic, int pin)
 {
 	int irq, i;
@@ -988,7 +1171,32 @@ static int pin_2_irq(int idx, int apic, int pin)
 		while (i < apic)
 			irq += nr_ioapic_registers[i++];
 		irq += pin;
+                /*
+                 * For MPS mode, so far only needed by ES7000 platform
+                 */
+                if (ioapic_renumber_irq)
+                        irq = ioapic_renumber_irq(apic, irq);
 	}
+
+#ifdef CONFIG_X86_32
+	/*
+	 * PCI IRQ command line redirection. Yes, limits are hardcoded.
+	 */
+	if ((pin >= 16) && (pin <= 23)) {
+		if (pirq_entries[pin-16] != -1) {
+			if (!pirq_entries[pin-16]) {
+				apic_printk(APIC_VERBOSE, KERN_DEBUG
+						"disabling PIRQ%d\n", pin-16);
+			} else {
+				irq = pirq_entries[pin-16];
+				apic_printk(APIC_VERBOSE, KERN_DEBUG
+						"using PIRQ%d -> IRQ %d\n",
+						pin-16, irq);
+			}
+		}
+	}
+#endif
+
 	return irq;
 }
 
@@ -1058,8 +1266,13 @@ next:
 		}
 		if (unlikely(current_vector == vector))
 			continue;
+#ifdef CONFIG_X86_64
 		if (vector == IA32_SYSCALL_VECTOR)
 			goto next;
+#else
+		if (vector == SYSCALL_VECTOR)
+			goto next;
+#endif
 		for_each_cpu_mask_nr(new_cpu, new_mask)
 			if (per_cpu(vector_irq, new_cpu)[vector] != -1)
 				goto next;
@@ -1140,6 +1353,34 @@ static struct irq_chip ioapic_chip;
 static struct irq_chip ir_ioapic_chip;
 #endif
 
+#define IOAPIC_AUTO     -1
+#define IOAPIC_EDGE     0
+#define IOAPIC_LEVEL    1
+
+#ifdef CONFIG_X86_32
+static inline int IO_APIC_irq_trigger(int irq)
+{
+        int apic, idx, pin;
+
+        for (apic = 0; apic < nr_ioapics; apic++) {
+                for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
+                        idx = find_irq_entry(apic, pin, mp_INT);
+                        if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
+                                return irq_trigger(idx);
+                }
+        }
+        /*
+         * nonexistent IRQs are edge default
+         */
+        return 0;
+}
+#else
+static inline int IO_APIC_irq_trigger(int irq)
+{
+	return 1;
+}
+#endif
+
 static void ioapic_register_intr(int irq, unsigned long trigger)
 {
 	struct irq_desc *desc;
@@ -1150,7 +1391,8 @@ static void ioapic_register_intr(int irq, unsigned long trigger)
 	else
 		desc = irq_to_desc_alloc(irq);
 
-	if (trigger)
+	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
+	    trigger == IOAPIC_LEVEL)
 		desc->status |= IRQ_LEVEL;
 	else
 		desc->status &= ~IRQ_LEVEL;
@@ -1168,7 +1410,8 @@ static void ioapic_register_intr(int irq, unsigned long trigger)
 		return;
 	}
 #endif
-	if (trigger)
+	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
+	    trigger == IOAPIC_LEVEL)
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
 					      handle_fasteoi_irq,
 					      "fasteoi");
@@ -1303,6 +1546,10 @@ static void __init setup_IO_APIC_irqs(void)
 		}
 
 		irq = pin_2_irq(idx, apic, pin);
+#ifdef CONFIG_X86_32
+                if (multi_timer_check(apic, irq))
+                        continue;
+#endif
 		add_pin_to_irq(irq, apic, pin);
 
 		setup_IO_APIC_irq(apic, pin, irq,
@@ -1360,6 +1607,7 @@ __apicdebuginit(void) print_IO_APIC(void)
 	union IO_APIC_reg_00 reg_00;
 	union IO_APIC_reg_01 reg_01;
 	union IO_APIC_reg_02 reg_02;
+	union IO_APIC_reg_03 reg_03;
 	unsigned long flags;
 	struct irq_cfg *cfg;
 
@@ -1384,6 +1632,8 @@ __apicdebuginit(void) print_IO_APIC(void)
 	reg_01.raw = io_apic_read(apic, 1);
 	if (reg_01.bits.version >= 0x10)
 		reg_02.raw = io_apic_read(apic, 2);
+        if (reg_01.bits.version >= 0x20)
+                reg_03.raw = io_apic_read(apic, 3);
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	printk("\n");
@@ -1399,11 +1649,27 @@ __apicdebuginit(void) print_IO_APIC(void)
 	printk(KERN_DEBUG ".......     : PRQ implemented: %X\n", reg_01.bits.PRQ);
 	printk(KERN_DEBUG ".......     : IO APIC version: %04X\n", reg_01.bits.version);
 
-	if (reg_01.bits.version >= 0x10) {
+	/*
+	 * Some Intel chipsets with IO APIC VERSION of 0x1? don't have reg_02,
+	 * but the value of reg_02 is read as the previous read register
+	 * value, so ignore it if reg_02 == reg_01.
+	 */
+	if (reg_01.bits.version >= 0x10 && reg_02.raw != reg_01.raw) {
 		printk(KERN_DEBUG ".... register #02: %08X\n", reg_02.raw);
 		printk(KERN_DEBUG ".......     : arbitration: %02X\n", reg_02.bits.arbitration);
 	}
 
+	/*
+	 * Some Intel chipsets with IO APIC VERSION of 0x2? don't have reg_02
+	 * or reg_03, but the value of reg_0[23] is read as the previous read
+	 * register value, so ignore it if reg_03 == reg_0[12].
+	 */
+	if (reg_01.bits.version >= 0x20 && reg_03.raw != reg_02.raw &&
+	    reg_03.raw != reg_01.raw) {
+		printk(KERN_DEBUG ".... register #03: %08X\n", reg_03.raw);
+		printk(KERN_DEBUG ".......     : Boot DT    : %X\n", reg_03.bits.boot_DT);
+	}
+
 	printk(KERN_DEBUG ".... IRQ redirection table:\n");
 
 	printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol"
@@ -1475,7 +1741,7 @@ __apicdebuginit(void) print_APIC_bitfield(int base)
 __apicdebuginit(void) print_local_APIC(void *dummy)
 {
 	unsigned int v, ver, maxlvt;
-	unsigned long icr;
+	u64 icr;
 
 	if (apic_verbosity == APIC_QUIET)
 		return;
@@ -1492,11 +1758,13 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 	v = apic_read(APIC_TASKPRI);
 	printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK);
 
-	v = apic_read(APIC_ARBPRI);
-	printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
-		v & APIC_ARBPRI_MASK);
-	v = apic_read(APIC_PROCPRI);
-	printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v);
+	if (APIC_INTEGRATED(ver)) {                     /* !82489DX */
+		v = apic_read(APIC_ARBPRI);
+		printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
+			v & APIC_ARBPRI_MASK);
+		v = apic_read(APIC_PROCPRI);
+		printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v);
+	}
 
 	v = apic_read(APIC_EOI);
 	printk(KERN_DEBUG "... APIC EOI: %08x\n", v);
@@ -1516,8 +1784,13 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 	printk(KERN_DEBUG "... APIC IRR field:\n");
 	print_APIC_bitfield(APIC_IRR);
 
-	v = apic_read(APIC_ESR);
-	printk(KERN_DEBUG "... APIC ESR: %08x\n", v);
+	if (APIC_INTEGRATED(ver)) {             /* !82489DX */
+		if (maxlvt > 3)         /* Due to the Pentium erratum 3AP. */
+			apic_write(APIC_ESR, 0);
+
+		v = apic_read(APIC_ESR);
+		printk(KERN_DEBUG "... APIC ESR: %08x\n", v);
+	}
 
 	icr = apic_icr_read();
 	printk(KERN_DEBUG "... APIC ICR: %08x\n", (u32)icr);
@@ -1608,6 +1881,13 @@ void __init enable_IO_APIC(void)
 	int apic;
 	unsigned long flags;
 
+#ifdef CONFIG_X86_32
+	int i;
+	if (!pirqs_enabled)
+		for (i = 0; i < MAX_PIRQS; i++)
+			pirq_entries[i] = -1;
+#endif
+
 	/*
 	 * The number of IO-APIC IRQ registers (== #pins):
 	 */
@@ -1636,6 +1916,10 @@ void __init enable_IO_APIC(void)
 	}
  found_i8259:
 	/* Look to see what if the MP table has reported the ExtINT */
+	/* If we could not find the appropriate pin by looking at the ioapic
+	 * the i8259 probably is not connected the ioapic but give the
+	 * mptable a chance anyway.
+	 */
 	i8259_pin  = find_isa_irq_pin(0, mp_ExtINT);
 	i8259_apic = find_isa_irq_apic(0, mp_ExtINT);
 	/* Trust the MP table if nothing is setup in the hardware */
@@ -1695,6 +1979,122 @@ void disable_IO_APIC(void)
 	disconnect_bsp_APIC(ioapic_i8259.pin != -1);
 }
 
+#ifdef CONFIG_X86_32
+/*
+ * function to set the IO-APIC physical IDs based on the
+ * values stored in the MPC table.
+ *
+ * by Matt Domsch <Matt_Domsch@dell.com>  Tue Dec 21 12:25:05 CST 1999
+ */
+
+static void __init setup_ioapic_ids_from_mpc(void)
+{
+	union IO_APIC_reg_00 reg_00;
+	physid_mask_t phys_id_present_map;
+	int apic;
+	int i;
+	unsigned char old_id;
+	unsigned long flags;
+
+	if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids())
+		return;
+
+	/*
+	 * Don't check I/O APIC IDs for xAPIC systems.  They have
+	 * no meaning without the serial APIC bus.
+	 */
+	if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
+		|| APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+		return;
+	/*
+	 * This is broken; anything with a real cpu count has to
+	 * circumvent this idiocy regardless.
+	 */
+	phys_id_present_map = ioapic_phys_id_map(phys_cpu_present_map);
+
+	/*
+	 * Set the IOAPIC ID to the value stored in the MPC table.
+	 */
+	for (apic = 0; apic < nr_ioapics; apic++) {
+
+		/* Read the register 0 value */
+		spin_lock_irqsave(&ioapic_lock, flags);
+		reg_00.raw = io_apic_read(apic, 0);
+		spin_unlock_irqrestore(&ioapic_lock, flags);
+
+		old_id = mp_ioapics[apic].mp_apicid;
+
+		if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) {
+			printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n",
+				apic, mp_ioapics[apic].mp_apicid);
+			printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
+				reg_00.bits.ID);
+			mp_ioapics[apic].mp_apicid = reg_00.bits.ID;
+		}
+
+		/*
+		 * Sanity check, is the ID really free? Every APIC in a
+		 * system must have a unique ID or we get lots of nice
+		 * 'stuck on smp_invalidate_needed IPI wait' messages.
+		 */
+		if (check_apicid_used(phys_id_present_map,
+					mp_ioapics[apic].mp_apicid)) {
+			printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n",
+				apic, mp_ioapics[apic].mp_apicid);
+			for (i = 0; i < get_physical_broadcast(); i++)
+				if (!physid_isset(i, phys_id_present_map))
+					break;
+			if (i >= get_physical_broadcast())
+				panic("Max APIC ID exceeded!\n");
+			printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
+				i);
+			physid_set(i, phys_id_present_map);
+			mp_ioapics[apic].mp_apicid = i;
+		} else {
+			physid_mask_t tmp;
+			tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid);
+			apic_printk(APIC_VERBOSE, "Setting %d in the "
+					"phys_id_present_map\n",
+					mp_ioapics[apic].mp_apicid);
+			physids_or(phys_id_present_map, phys_id_present_map, tmp);
+		}
+
+
+		/*
+		 * We need to adjust the IRQ routing table
+		 * if the ID changed.
+		 */
+		if (old_id != mp_ioapics[apic].mp_apicid)
+			for (i = 0; i < mp_irq_entries; i++)
+				if (mp_irqs[i].mp_dstapic == old_id)
+					mp_irqs[i].mp_dstapic
+						= mp_ioapics[apic].mp_apicid;
+
+		/*
+		 * Read the right value from the MPC table and
+		 * write it into the ID register.
+		 */
+		apic_printk(APIC_VERBOSE, KERN_INFO
+			"...changing IO-APIC physical APIC ID to %d ...",
+			mp_ioapics[apic].mp_apicid);
+
+		reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
+		spin_lock_irqsave(&ioapic_lock, flags);
+
+		/*
+		 * Sanity check
+		 */
+		spin_lock_irqsave(&ioapic_lock, flags);
+		reg_00.raw = io_apic_read(apic, 0);
+		spin_unlock_irqrestore(&ioapic_lock, flags);
+		if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid)
+			printk("could not set ID!\n");
+		else
+			apic_printk(APIC_VERBOSE, " ok.\n");
+	}
+}
+#endif
+
 int no_timer_check __initdata;
 
 static int __init notimercheck(char *s)
@@ -1780,8 +2180,10 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
 	return was_pending;
 }
 
+#ifdef CONFIG_X86_64
 static int ioapic_retrigger_irq(unsigned int irq)
 {
+
 	struct irq_cfg *cfg = irq_cfg(irq);
 	unsigned long flags;
 
@@ -1791,6 +2193,14 @@ static int ioapic_retrigger_irq(unsigned int irq)
 
 	return 1;
 }
+#else
+static int ioapic_retrigger_irq(unsigned int irq)
+{
+        send_IPI_self(irq_cfg(irq)->vector);
+
+        return 1;
+}
+#endif
 
 /*
  * Level and edge triggered IO-APIC interrupts need different handling,
@@ -1952,7 +2362,9 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
 {
 	unsigned vector, me;
 	ack_APIC_irq();
+#ifdef CONFIG_X86_64
 	exit_idle();
+#endif
 	irq_enter();
 
 	me = smp_processor_id();
@@ -2024,6 +2436,7 @@ static void ack_apic_edge(unsigned int irq)
 	ack_APIC_irq();
 }
 
+#ifdef CONFIG_X86_64
 static void ack_apic_level(unsigned int irq)
 {
 	int do_unmask_irq = 0;
@@ -2076,6 +2489,49 @@ static void ack_apic_level(unsigned int irq)
 		unmask_IO_APIC_irq(irq);
 	}
 }
+#else
+atomic_t irq_mis_count;
+static void ack_apic_level(unsigned int irq)
+{
+	unsigned long v;
+	int i;
+
+	irq_complete_move(irq);
+	move_native_irq(irq);
+	/*
+	* It appears there is an erratum which affects at least version 0x11
+	* of I/O APIC (that's the 82093AA and cores integrated into various
+	* chipsets).  Under certain conditions a level-triggered interrupt is
+	* erroneously delivered as edge-triggered one but the respective IRR
+	* bit gets set nevertheless.  As a result the I/O unit expects an EOI
+	* message but it will never arrive and further interrupts are blocked
+	* from the source.  The exact reason is so far unknown, but the
+	* phenomenon was observed when two consecutive interrupt requests
+	* from a given source get delivered to the same CPU and the source is
+	* temporarily disabled in between.
+	*
+	* A workaround is to simulate an EOI message manually.  We achieve it
+	* by setting the trigger mode to edge and then to level when the edge
+	* trigger mode gets detected in the TMR of a local APIC for a
+	* level-triggered interrupt.  We mask the source for the time of the
+	* operation to prevent an edge-triggered interrupt escaping meanwhile.
+	* The idea is from Manfred Spraul.  --macro
+	*/
+	i = irq_cfg(irq)->vector;
+
+	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
+
+	ack_APIC_irq();
+
+	if (!(v & (1 << (i & 0x1f)))) {
+		atomic_inc(&irq_mis_count);
+		spin_lock(&ioapic_lock);
+		__mask_and_edge_IO_APIC_irq(irq);
+		__unmask_and_level_IO_APIC_irq(irq);
+		spin_unlock(&ioapic_lock);
+	}
+}
+#endif
 
 static struct irq_chip ioapic_chip __read_mostly = {
 	.name 		= "IO-APIC",
@@ -2141,20 +2597,24 @@ static inline void init_IO_APIC_traps(void)
 	}
 }
 
-static void unmask_lapic_irq(unsigned int irq)
+/*
+ * The local APIC irq-chip implementation:
+ */
+
+static void mask_lapic_irq(unsigned int irq)
 {
 	unsigned long v;
 
 	v = apic_read(APIC_LVT0);
-	apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED);
+	apic_write(APIC_LVT0, v | APIC_LVT_MASKED);
 }
 
-static void mask_lapic_irq(unsigned int irq)
+static void unmask_lapic_irq(unsigned int irq)
 {
 	unsigned long v;
 
 	v = apic_read(APIC_LVT0);
-	apic_write(APIC_LVT0, v | APIC_LVT_MASKED);
+	apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED);
 }
 
 static void ack_lapic_irq (unsigned int irq)
@@ -2182,19 +2642,19 @@ static void lapic_register_intr(int irq)
 static void __init setup_nmi(void)
 {
 	/*
- 	 * Dirty trick to enable the NMI watchdog ...
+	 * Dirty trick to enable the NMI watchdog ...
 	 * We put the 8259A master into AEOI mode and
 	 * unmask on all local APICs LVT0 as NMI.
 	 *
 	 * The idea to use the 8259A in AEOI mode ('8259A Virtual Wire')
 	 * is from Maciej W. Rozycki - so we do not have to EOI from
 	 * the NMI handler or the timer interrupt.
-	 */ 
-	printk(KERN_INFO "activating NMI Watchdog ...");
+	 */
+	apic_printk(APIC_VERBOSE, KERN_INFO "activating NMI Watchdog ...");
 
 	enable_NMI_through_LVT0();
 
-	printk(" done.\n");
+	apic_printk(APIC_VERBOSE, " done.\n");
 }
 
 /*
@@ -2211,12 +2671,17 @@ static inline void __init unlock_ExtINT_logic(void)
 	unsigned char save_control, save_freq_select;
 
 	pin  = find_isa_irq_pin(8, mp_INT);
+	if (pin == -1) {
+		WARN_ON_ONCE(1);
+		return;
+	}
 	apic = find_isa_irq_apic(8, mp_INT);
-	if (pin == -1)
+	if (apic == -1) {
+		WARN_ON_ONCE(1);
 		return;
+	}
 
 	entry0 = ioapic_read_entry(apic, pin);
-
 	clear_IO_APIC_pin(apic, pin);
 
 	memset(&entry1, 0, sizeof(entry1));
@@ -2268,17 +2733,21 @@ int timer_through_8259 __initdata;
  * is so screwy.  Thanks to Brian Perkins for testing/hacking this beast
  * fanatically on his truly buggy board.
  *
- * FIXME: really need to revamp this for modern platforms only.
+ * FIXME: really need to revamp this for all platforms.
  */
 static inline void __init check_timer(void)
 {
 	struct irq_cfg *cfg = irq_cfg(0);
 	int apic1, pin1, apic2, pin2;
 	unsigned long flags;
+	unsigned int ver;
 	int no_pin1 = 0;
 
 	local_irq_save(flags);
 
+        ver = apic_read(APIC_LVR);
+        ver = GET_APIC_VERSION(ver);
+
 	/*
 	 * get/set the timer IRQ vector:
 	 */
@@ -2287,10 +2756,18 @@ static inline void __init check_timer(void)
 
 	/*
 	 * As IRQ0 is to be enabled in the 8259A, the virtual
-	 * wire has to be disabled in the local APIC.
+	 * wire has to be disabled in the local APIC.  Also
+	 * timer interrupts need to be acknowledged manually in
+	 * the 8259A for the i82489DX when using the NMI
+	 * watchdog as that APIC treats NMIs as level-triggered.
+	 * The AEOI mode will finish them in the 8259A
+	 * automatically.
 	 */
 	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
 	init_8259A(1);
+#ifdef CONFIG_X86_32
+	timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
+#endif
 
 	pin1  = find_isa_irq_pin(0, mp_INT);
 	apic1 = find_isa_irq_apic(0, mp_INT);
@@ -2382,6 +2859,9 @@ static inline void __init check_timer(void)
 			    "through the IO-APIC - disabling NMI Watchdog!\n");
 		nmi_watchdog = NMI_NONE;
 	}
+#ifdef CONFIG_X86_32
+	timer_ack = 0;
+#endif
 
 	apic_printk(APIC_QUIET, KERN_INFO
 		    "...trying to set up timer as Virtual Wire IRQ...\n");
@@ -2435,19 +2915,29 @@ out:
  * the I/O APIC in all cases now.  No actual device should request
  * it anyway.  --macro
  */
-#define PIC_IRQS	(1<<2)
+#define PIC_IRQS	(1 << PIC_CASCADE_IR)
 
 void __init setup_IO_APIC(void)
 {
 
+#ifdef CONFIG_X86_32
+	enable_IO_APIC();
+#else
 	/*
 	 * calling enable_IO_APIC() is moved to setup_local_APIC for BP
 	 */
+#endif
 
 	io_apic_irqs = ~PIC_IRQS;
 
 	apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
-
+        /*
+         * Set up IO-APIC IRQ routing.
+         */
+#ifdef CONFIG_X86_32
+        if (!acpi_ioapic)
+                setup_ioapic_ids_from_mpc();
+#endif
 	sync_Arb_IDs();
 	setup_IO_APIC_irqs();
 	init_IO_APIC_traps();
@@ -3128,7 +3618,93 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 
 #ifdef CONFIG_ACPI
 
-#define IO_APIC_MAX_ID		0xFE
+#ifdef CONFIG_X86_32
+int __init io_apic_get_unique_id(int ioapic, int apic_id)
+{
+	union IO_APIC_reg_00 reg_00;
+	static physid_mask_t apic_id_map = PHYSID_MASK_NONE;
+	physid_mask_t tmp;
+	unsigned long flags;
+	int i = 0;
+
+	/*
+	 * The P4 platform supports up to 256 APIC IDs on two separate APIC
+	 * buses (one for LAPICs, one for IOAPICs), where predecessors only
+	 * supports up to 16 on one shared APIC bus.
+	 *
+	 * TBD: Expand LAPIC/IOAPIC support on P4-class systems to take full
+	 *      advantage of new APIC bus architecture.
+	 */
+
+	if (physids_empty(apic_id_map))
+		apic_id_map = ioapic_phys_id_map(phys_cpu_present_map);
+
+	spin_lock_irqsave(&ioapic_lock, flags);
+	reg_00.raw = io_apic_read(ioapic, 0);
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+
+	if (apic_id >= get_physical_broadcast()) {
+		printk(KERN_WARNING "IOAPIC[%d]: Invalid apic_id %d, trying "
+			"%d\n", ioapic, apic_id, reg_00.bits.ID);
+		apic_id = reg_00.bits.ID;
+	}
+
+	/*
+	 * Every APIC in a system must have a unique ID or we get lots of nice
+	 * 'stuck on smp_invalidate_needed IPI wait' messages.
+	 */
+	if (check_apicid_used(apic_id_map, apic_id)) {
+
+		for (i = 0; i < get_physical_broadcast(); i++) {
+			if (!check_apicid_used(apic_id_map, i))
+				break;
+		}
+
+		if (i == get_physical_broadcast())
+			panic("Max apic_id exceeded!\n");
+
+		printk(KERN_WARNING "IOAPIC[%d]: apic_id %d already used, "
+			"trying %d\n", ioapic, apic_id, i);
+
+		apic_id = i;
+	}
+
+	tmp = apicid_to_cpu_present(apic_id);
+	physids_or(apic_id_map, apic_id_map, tmp);
+
+	if (reg_00.bits.ID != apic_id) {
+		reg_00.bits.ID = apic_id;
+
+		spin_lock_irqsave(&ioapic_lock, flags);
+		io_apic_write(ioapic, 0, reg_00.raw);
+		reg_00.raw = io_apic_read(ioapic, 0);
+		spin_unlock_irqrestore(&ioapic_lock, flags);
+
+		/* Sanity check */
+		if (reg_00.bits.ID != apic_id) {
+			printk("IOAPIC[%d]: Unable to change apic_id!\n", ioapic);
+			return -1;
+		}
+	}
+
+	apic_printk(APIC_VERBOSE, KERN_INFO
+			"IOAPIC[%d]: Assigned apic_id %d\n", ioapic, apic_id);
+
+	return apic_id;
+}
+
+int __init io_apic_get_version(int ioapic)
+{
+	union IO_APIC_reg_01	reg_01;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ioapic_lock, flags);
+	reg_01.raw = io_apic_read(ioapic, 1);
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+
+	return reg_01.bits.version;
+}
+#endif
 
 int __init io_apic_get_redir_entries (int ioapic)
 {
@@ -3226,6 +3802,7 @@ void __init setup_ioapic_dest(void)
 }
 #endif
 
+#ifdef CONFIG_X86_64
 #define IOAPIC_RESOURCE_NAME_SIZE 11
 
 static struct resource *ioapic_resources;
@@ -3261,36 +3838,56 @@ static struct resource * __init ioapic_setup_resources(void)
 
 	return res;
 }
+#endif
 
 void __init ioapic_init_mappings(void)
 {
 	unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
-	struct resource *ioapic_res;
 	int i;
+#ifdef CONFIG_X86_64
+	struct resource *ioapic_res;
 
 	ioapic_res = ioapic_setup_resources();
+#endif
 	for (i = 0; i < nr_ioapics; i++) {
 		if (smp_found_config) {
 			ioapic_phys = mp_ioapics[i].mp_apicaddr;
+#ifdef CONFIG_X86_32
+                        if (!ioapic_phys) {
+                                printk(KERN_ERR
+                                       "WARNING: bogus zero IO-APIC "
+                                       "address found in MPTABLE, "
+                                       "disabling IO/APIC support!\n");
+                                smp_found_config = 0;
+                                skip_ioapic_setup = 1;
+                                goto fake_ioapic_page;
+                        }
+#endif
 		} else {
+#ifdef CONFIG_X86_32
+fake_ioapic_page:
+#endif
 			ioapic_phys = (unsigned long)
 				alloc_bootmem_pages(PAGE_SIZE);
 			ioapic_phys = __pa(ioapic_phys);
 		}
 		set_fixmap_nocache(idx, ioapic_phys);
 		apic_printk(APIC_VERBOSE,
-			    "mapped IOAPIC to %016lx (%016lx)\n",
+			    "mapped IOAPIC to %08lx (%08lx)\n",
 			    __fix_to_virt(idx), ioapic_phys);
 		idx++;
 
+#ifdef CONFIG_X86_64
 		if (ioapic_res != NULL) {
 			ioapic_res->start = ioapic_phys;
 			ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
 			ioapic_res++;
 		}
+#endif
 	}
 }
 
+#ifdef CONFIG_X86_64
 static int __init ioapic_insert_resources(void)
 {
 	int i;
@@ -3313,4 +3910,4 @@ static int __init ioapic_insert_resources(void)
 /* Insert the IO APIC resources after PCI initialization has occured to handle
  * IO APICS that are mapped in on a BAR in PCI space. */
 late_initcall(ioapic_insert_resources);
-
+#endif
-- 
GitLab


From 54168ed7f2a4f3fc2780e645124ae952598da601 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 20 Aug 2008 09:07:45 +0200
Subject: [PATCH 0682/2224] x86: make io_apic_32.c the same as io_apic_64.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic_32.c | 1521 ++++++++++++++++++++++++----------
 1 file changed, 1104 insertions(+), 417 deletions(-)

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index 3ed36041c81..fba6d6ee348 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -35,7 +35,7 @@
 #include <linux/htirq.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
-#include <linux/jiffies.h>      /* time_after() */
+#include <linux/jiffies.h>	/* time_after() */
 #ifdef CONFIG_ACPI
 #include <acpi/acpi_bus.h>
 #endif
@@ -64,8 +64,8 @@
 #define __apicdebuginit(type) static type __init
 
 /*
- *	Is the SiS APIC rmw bug present ?
- *	-1 = don't know, 0 = no, 1 = yes
+ *      Is the SiS APIC rmw bug present ?
+ *      -1 = don't know, 0 = no, 1 = yes
  */
 int sis_apic_bug = -1;
 
@@ -102,7 +102,7 @@ DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 
 int skip_ioapic_setup;
 
-static int __init parse_noapic(char *arg)
+static int __init parse_noapic(char *str)
 {
 	/* disable IO-APIC */
 	disable_ioapic_setup();
@@ -188,7 +188,7 @@ static void __init init_work(void *data)
 	irq_cfgx[legacy_count - 1].next = NULL;
 }
 
-#define for_each_irq_cfg(cfg)           \
+#define for_each_irq_cfg(cfg)		\
 	for (cfg = irq_cfgx; cfg; cfg = cfg->next)
 
 DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
@@ -262,7 +262,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 		irq_cfgx = cfg;
 	cfg->irq = irq;
 	printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq);
-
 #ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
 	{
 		/* dump the results */
@@ -384,9 +383,9 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i
  */
 static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
 {
-	volatile struct io_apic __iomem *io_apic = io_apic_base(apic);
-	if (sis_apic_bug)
-		writel(reg, &io_apic->index);
+	struct io_apic __iomem *io_apic = io_apic_base(apic);
+        if (sis_apic_bug)
+                writel(reg, &io_apic->index);
 	writel(value, &io_apic->data);
 }
 
@@ -494,11 +493,20 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
 
 		apic = entry->apic;
 		pin = entry->pin;
+#ifdef CONFIG_INTR_REMAP
+		/*
+		 * With interrupt-remapping, destination information comes
+		 * from interrupt-remapping table entry.
+		 */
+		if (!irq_remapped(irq))
+			io_apic_write(apic, 0x11 + pin*2, dest);
+#else
 		io_apic_write(apic, 0x11 + pin*2, dest);
+#endif
 		reg = io_apic_read(apic, 0x10 + pin*2);
 		reg &= ~IO_APIC_REDIR_VECTOR_MASK;
 		reg |= vector;
-		io_apic_modify(apic, 0x10 + pin *2, reg);
+		io_apic_modify(apic, 0x10 + pin*2, reg);
 		if (!entry->next)
 			break;
 		entry = entry->next;
@@ -513,6 +521,7 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 	unsigned long flags;
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -529,12 +538,12 @@ static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 	 */
 	dest = SET_APIC_LOGICAL_ID(dest);
 
+	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&ioapic_lock, flags);
 	__target_IO_APIC_irq(irq, dest, cfg->vector);
-	irq_to_desc(irq)->affinity = mask;
+	desc->affinity = mask;
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
-
 #endif /* CONFIG_SMP */
 
 /*
@@ -699,7 +708,7 @@ static void __unmask_and_level_IO_APIC_irq(unsigned int irq)
 
 #endif
 
-static void mask_IO_APIC_irq(unsigned int irq)
+static void mask_IO_APIC_irq (unsigned int irq)
 {
 	unsigned long flags;
 
@@ -708,7 +717,7 @@ static void mask_IO_APIC_irq(unsigned int irq)
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
-static void unmask_IO_APIC_irq(unsigned int irq)
+static void unmask_IO_APIC_irq (unsigned int irq)
 {
 	unsigned long flags;
 
@@ -725,14 +734,13 @@ static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
 	entry = ioapic_read_entry(apic, pin);
 	if (entry.delivery_mode == dest_SMI)
 		return;
-
 	/*
 	 * Disable it in the IO-APIC irq-routing table:
 	 */
 	ioapic_mask_entry(apic, pin);
 }
 
-static void clear_IO_APIC(void)
+static void clear_IO_APIC (void)
 {
 	int apic, pin;
 
@@ -741,7 +749,7 @@ static void clear_IO_APIC(void)
 			clear_IO_APIC_pin(apic, pin);
 }
 
-#ifndef CONFIG_SMP
+#if !defined(CONFIG_SMP) && defined(CONFIG_X86_32)
 void send_IPI_self(int vector)
 {
 	unsigned int cfg;
@@ -756,9 +764,9 @@ void send_IPI_self(int vector)
 	 */
 	apic_write(APIC_ICR, cfg);
 }
-#endif /* !CONFIG_SMP */
-
+#endif /* !CONFIG_SMP && CONFIG_X86_32*/
 
+#ifdef CONFIG_X86_32
 /*
  * support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to
  * specific CPU-side IRQs.
@@ -797,6 +805,75 @@ static int __init ioapic_pirq_setup(char *str)
 }
 
 __setup("pirq=", ioapic_pirq_setup);
+#endif /* CONFIG_X86_32 */
+
+#ifdef CONFIG_INTR_REMAP
+/* I/O APIC RTE contents at the OS boot up */
+static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS];
+
+/*
+ * Saves and masks all the unmasked IO-APIC RTE's
+ */
+int save_mask_IO_APIC_setup(void)
+{
+	union IO_APIC_reg_01 reg_01;
+	unsigned long flags;
+	int apic, pin;
+
+	/*
+	 * The number of IO-APIC IRQ registers (== #pins):
+	 */
+	for (apic = 0; apic < nr_ioapics; apic++) {
+		spin_lock_irqsave(&ioapic_lock, flags);
+		reg_01.raw = io_apic_read(apic, 1);
+		spin_unlock_irqrestore(&ioapic_lock, flags);
+		nr_ioapic_registers[apic] = reg_01.bits.entries+1;
+	}
+
+	for (apic = 0; apic < nr_ioapics; apic++) {
+		early_ioapic_entries[apic] =
+			kzalloc(sizeof(struct IO_APIC_route_entry) *
+				nr_ioapic_registers[apic], GFP_KERNEL);
+		if (!early_ioapic_entries[apic])
+			return -ENOMEM;
+	}
+
+	for (apic = 0; apic < nr_ioapics; apic++)
+		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
+			struct IO_APIC_route_entry entry;
+
+			entry = early_ioapic_entries[apic][pin] =
+				ioapic_read_entry(apic, pin);
+			if (!entry.mask) {
+				entry.mask = 1;
+				ioapic_write_entry(apic, pin, entry);
+			}
+		}
+	return 0;
+}
+
+void restore_IO_APIC_setup(void)
+{
+	int apic, pin;
+
+	for (apic = 0; apic < nr_ioapics; apic++)
+		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++)
+			ioapic_write_entry(apic, pin,
+					   early_ioapic_entries[apic][pin]);
+}
+
+void reinit_intr_remapped_IO_APIC(int intr_remapping)
+{
+	/*
+	 * for now plain restore of previous settings.
+	 * TBD: In the case of OS enabling interrupt-remapping,
+	 * IO-APIC RTE's need to be setup to point to interrupt-remapping
+	 * table entries. for now, do a plain restore, and wait for
+	 * the setup_IO_APIC_irqs() to do proper initialization.
+	 */
+	restore_IO_APIC_setup();
+}
+#endif
 
 /*
  * Find the IRQ entry number of a certain pin.
@@ -848,7 +925,7 @@ static int __init find_isa_irq_apic(int irq, int type)
 	}
 	if (i < mp_irq_entries) {
 		int apic;
-		for (apic = 0; apic < nr_ioapics; apic++) {
+		for(apic = 0; apic < nr_ioapics; apic++) {
 			if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
 				return apic;
 		}
@@ -867,10 +944,10 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 {
 	int apic, i, best_guess = -1;
 
-	apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, "
-		"slot:%d, pin:%d.\n", bus, slot, pin);
+	apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, slot:%d, pin:%d.\n",
+		bus, slot, pin);
 	if (test_bit(bus, mp_bus_not_pci)) {
-		printk(KERN_WARNING "PCI BIOS passed nonexistent PCI bus %d!\n", bus);
+		apic_printk(APIC_VERBOSE, "PCI BIOS passed nonexistent PCI bus %d!\n", bus);
 		return -1;
 	}
 	for (i = 0; i < mp_irq_entries; i++) {
@@ -885,7 +962,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 		    !mp_irqs[i].mp_irqtype &&
 		    (bus == lbus) &&
 		    (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) {
-			int irq = pin_2_irq(i, apic, mp_irqs[i].mp_dstirq);
+			int irq = pin_2_irq(i,apic,mp_irqs[i].mp_dstirq);
 
 			if (!(apic || IO_APIC_IRQ(irq)))
 				continue;
@@ -902,6 +979,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 	}
 	return best_guess;
 }
+
 EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
 
 #if defined(CONFIG_EISA) || defined(CONFIG_MCA)
@@ -918,6 +996,7 @@ static int EISA_ELCR(unsigned int irq)
 			"Broken MPtable reports ISA irq %d\n", irq);
 	return 0;
 }
+
 #endif
 
 /* ISA interrupts are always polarity zero edge triggered,
@@ -954,36 +1033,36 @@ static int MPBIOS_polarity(int idx)
 	/*
 	 * Determine IRQ line polarity (high active or low active):
 	 */
-	switch (mp_irqs[idx].mp_irqflag & 3) {
-	case 0: /* conforms, ie. bus-type dependent polarity */
-	{
-		polarity = test_bit(bus, mp_bus_not_pci)?
-			default_ISA_polarity(idx):
-			default_PCI_polarity(idx);
-		break;
-	}
-	case 1: /* high active */
-	{
-		polarity = 0;
-		break;
-	}
-	case 2: /* reserved */
-	{
-		printk(KERN_WARNING "broken BIOS!!\n");
-		polarity = 1;
-		break;
-	}
-	case 3: /* low active */
-	{
-		polarity = 1;
-		break;
-	}
-	default: /* invalid */
+	switch (mp_irqs[idx].mp_irqflag & 3)
 	{
-		printk(KERN_WARNING "broken BIOS!!\n");
-		polarity = 1;
-		break;
-	}
+		case 0: /* conforms, ie. bus-type dependent polarity */
+			if (test_bit(bus, mp_bus_not_pci))
+				polarity = default_ISA_polarity(idx);
+			else
+				polarity = default_PCI_polarity(idx);
+			break;
+		case 1: /* high active */
+		{
+			polarity = 0;
+			break;
+		}
+		case 2: /* reserved */
+		{
+			printk(KERN_WARNING "broken BIOS!!\n");
+			polarity = 1;
+			break;
+		}
+		case 3: /* low active */
+		{
+			polarity = 1;
+			break;
+		}
+		default: /* invalid */
+		{
+			printk(KERN_WARNING "broken BIOS!!\n");
+			polarity = 1;
+			break;
+		}
 	}
 	return polarity;
 }
@@ -996,67 +1075,67 @@ static int MPBIOS_trigger(int idx)
 	/*
 	 * Determine IRQ trigger mode (edge or level sensitive):
 	 */
-	switch ((mp_irqs[idx].mp_irqflag>>2) & 3) {
-	case 0: /* conforms, ie. bus-type dependent */
+	switch ((mp_irqs[idx].mp_irqflag>>2) & 3)
 	{
-		trigger = test_bit(bus, mp_bus_not_pci)?
-				default_ISA_trigger(idx):
-				default_PCI_trigger(idx);
+		case 0: /* conforms, ie. bus-type dependent */
+			if (test_bit(bus, mp_bus_not_pci))
+				trigger = default_ISA_trigger(idx);
+			else
+				trigger = default_PCI_trigger(idx);
 #if defined(CONFIG_EISA) || defined(CONFIG_MCA)
-		switch (mp_bus_id_to_type[bus]) {
-		case MP_BUS_ISA: /* ISA pin */
-		{
-			/* set before the switch */
+			switch (mp_bus_id_to_type[bus]) {
+				case MP_BUS_ISA: /* ISA pin */
+				{
+					/* set before the switch */
+					break;
+				}
+				case MP_BUS_EISA: /* EISA pin */
+				{
+					trigger = default_EISA_trigger(idx);
+					break;
+				}
+				case MP_BUS_PCI: /* PCI pin */
+				{
+					/* set before the switch */
+					break;
+				}
+				case MP_BUS_MCA: /* MCA pin */
+				{
+					trigger = default_MCA_trigger(idx);
+					break;
+				}
+				default:
+				{
+					printk(KERN_WARNING "broken BIOS!!\n");
+					trigger = 1;
+					break;
+				}
+			}
+#endif
 			break;
-		}
-		case MP_BUS_EISA: /* EISA pin */
+		case 1: /* edge */
 		{
-			trigger = default_EISA_trigger(idx);
+			trigger = 0;
 			break;
 		}
-		case MP_BUS_PCI: /* PCI pin */
+		case 2: /* reserved */
 		{
-			/* set before the switch */
+			printk(KERN_WARNING "broken BIOS!!\n");
+			trigger = 1;
 			break;
 		}
-		case MP_BUS_MCA: /* MCA pin */
+		case 3: /* level */
 		{
-			trigger = default_MCA_trigger(idx);
+			trigger = 1;
 			break;
 		}
-		default:
+		default: /* invalid */
 		{
 			printk(KERN_WARNING "broken BIOS!!\n");
-			trigger = 1;
+			trigger = 0;
 			break;
 		}
 	}
-#endif
-		break;
-	}
-	case 1: /* edge */
-	{
-		trigger = 0;
-		break;
-	}
-	case 2: /* reserved */
-	{
-		printk(KERN_WARNING "broken BIOS!!\n");
-		trigger = 1;
-		break;
-	}
-	case 3: /* level */
-	{
-		trigger = 1;
-		break;
-	}
-	default: /* invalid */
-	{
-		printk(KERN_WARNING "broken BIOS!!\n");
-		trigger = 0;
-		break;
-	}
-	}
 	return trigger;
 }
 
@@ -1082,9 +1161,9 @@ static int pin_2_irq(int idx, int apic, int pin)
 	if (mp_irqs[idx].mp_dstirq != pin)
 		printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
 
-	if (test_bit(bus, mp_bus_not_pci))
+	if (test_bit(bus, mp_bus_not_pci)) {
 		irq = mp_irqs[idx].mp_srcbusirq;
-	else {
+	} else {
 		/*
 		 * PCI IRQs are mapped in order
 		 */
@@ -1092,14 +1171,14 @@ static int pin_2_irq(int idx, int apic, int pin)
 		while (i < apic)
 			irq += nr_ioapic_registers[i++];
 		irq += pin;
-
-		/*
-		 * For MPS mode, so far only needed by ES7000 platform
-		 */
-		if (ioapic_renumber_irq)
-			irq = ioapic_renumber_irq(apic, irq);
+                /*
+                 * For MPS mode, so far only needed by ES7000 platform
+                 */
+                if (ioapic_renumber_irq)
+                        irq = ioapic_renumber_irq(apic, irq);
 	}
 
+#ifdef CONFIG_X86_32
 	/*
 	 * PCI IRQ command line redirection. Yes, limits are hardcoded.
 	 */
@@ -1116,6 +1195,8 @@ static int pin_2_irq(int idx, int apic, int pin)
 			}
 		}
 	}
+#endif
+
 	return irq;
 }
 
@@ -1145,74 +1226,70 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 	 * Also, we've got to be careful not to trash gate
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
-        static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
-        unsigned int old_vector;
-        int cpu;
-        struct irq_cfg *cfg;
+	static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
+	unsigned int old_vector;
+	int cpu;
+	struct irq_cfg *cfg;
 
-        cfg = irq_cfg(irq);
+	cfg = irq_cfg(irq);
 
-        /* Only try and allocate irqs on cpus that are present */
-        cpus_and(mask, mask, cpu_online_map);
+	/* Only try and allocate irqs on cpus that are present */
+	cpus_and(mask, mask, cpu_online_map);
 
-        if ((cfg->move_in_progress) || cfg->move_cleanup_count)
-                return -EBUSY;
+	if ((cfg->move_in_progress) || cfg->move_cleanup_count)
+		return -EBUSY;
 
-        old_vector = cfg->vector;
-        if (old_vector) {
-                cpumask_t tmp;
-                cpus_and(tmp, cfg->domain, mask);
-                if (!cpus_empty(tmp))
-                        return 0;
-        }
+	old_vector = cfg->vector;
+	if (old_vector) {
+		cpumask_t tmp;
+		cpus_and(tmp, cfg->domain, mask);
+		if (!cpus_empty(tmp))
+			return 0;
+	}
 
-        for_each_cpu_mask_nr(cpu, mask) {
-                cpumask_t domain, new_mask;
-                int new_cpu;
-                int vector, offset;
+	for_each_cpu_mask_nr(cpu, mask) {
+		cpumask_t domain, new_mask;
+		int new_cpu;
+		int vector, offset;
 
-                domain = vector_allocation_domain(cpu);
-                cpus_and(new_mask, domain, cpu_online_map);
+		domain = vector_allocation_domain(cpu);
+		cpus_and(new_mask, domain, cpu_online_map);
 
-                vector = current_vector;
-                offset = current_offset;
+		vector = current_vector;
+		offset = current_offset;
 next:
-                vector += 8;
-                if (vector >= first_system_vector) {
-                        /* If we run out of vectors on large boxen, must share them. */
-                        offset = (offset + 1) % 8;
-                        vector = FIRST_DEVICE_VECTOR + offset;
-                }
-                if (unlikely(current_vector == vector))
-                        continue;
+		vector += 8;
+		if (vector >= first_system_vector) {
+			/* If we run out of vectors on large boxen, must share them. */
+			offset = (offset + 1) % 8;
+			vector = FIRST_DEVICE_VECTOR + offset;
+		}
+		if (unlikely(current_vector == vector))
+			continue;
 #ifdef CONFIG_X86_64
-                if (vector == IA32_SYSCALL_VECTOR)
-                        goto next;
+		if (vector == IA32_SYSCALL_VECTOR)
+			goto next;
 #else
-                if (vector == SYSCALL_VECTOR)
-                        goto next;
+		if (vector == SYSCALL_VECTOR)
+			goto next;
 #endif
-                for_each_cpu_mask_nr(new_cpu, new_mask)
-                        if (per_cpu(vector_irq, new_cpu)[vector] != -1)
-                                goto next;
-                /* Found one! */
-                current_vector = vector;
-                current_offset = offset;
-                if (old_vector) {
-                        cfg->move_in_progress = 1;
-                        cfg->old_domain = cfg->domain;
-                }
-		printk(KERN_DEBUG "assign_irq_vector: irq %d vector %#x cpu ", irq, vector);
-		for_each_cpu_mask_nr(new_cpu, new_mask) {
-			per_cpu(vector_irq, new_cpu)[vector] = irq;
-			printk(KERN_CONT " %d ", new_cpu);
+		for_each_cpu_mask_nr(new_cpu, new_mask)
+			if (per_cpu(vector_irq, new_cpu)[vector] != -1)
+				goto next;
+		/* Found one! */
+		current_vector = vector;
+		current_offset = offset;
+		if (old_vector) {
+			cfg->move_in_progress = 1;
+			cfg->old_domain = cfg->domain;
 		}
-		printk(KERN_CONT "\n");
-                cfg->vector = vector;
-                cfg->domain = domain;
-                return 0;
-        }
-        return -ENOSPC;
+		for_each_cpu_mask_nr(new_cpu, new_mask)
+			per_cpu(vector_irq, new_cpu)[vector] = irq;
+		cfg->vector = vector;
+		cfg->domain = domain;
+		return 0;
+	}
+	return -ENOSPC;
 }
 
 static int assign_irq_vector(int irq, cpumask_t mask)
@@ -1223,7 +1300,6 @@ static int assign_irq_vector(int irq, cpumask_t mask)
 	spin_lock_irqsave(&vector_lock, flags);
 	err = __assign_irq_vector(irq, mask);
 	spin_unlock_irqrestore(&vector_lock, flags);
-
 	return err;
 }
 
@@ -1269,36 +1345,39 @@ void __setup_vector_irq(int cpu)
 		cfg = irq_cfg(irq);
 		if (!cpu_isset(cpu, cfg->domain))
 			per_cpu(vector_irq, cpu)[vector] = -1;
-        }
+	}
 }
 
 static struct irq_chip ioapic_chip;
+#ifdef CONFIG_INTR_REMAP
+static struct irq_chip ir_ioapic_chip;
+#endif
 
-#define IOAPIC_AUTO	-1
-#define IOAPIC_EDGE	0
-#define IOAPIC_LEVEL	1
+#define IOAPIC_AUTO     -1
+#define IOAPIC_EDGE     0
+#define IOAPIC_LEVEL    1
 
 #ifdef CONFIG_X86_32
 static inline int IO_APIC_irq_trigger(int irq)
 {
-	int apic, idx, pin;
+        int apic, idx, pin;
 
-	for (apic = 0; apic < nr_ioapics; apic++) {
-		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-			idx = find_irq_entry(apic, pin, mp_INT);
-			if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
-				return irq_trigger(idx);
-		}
-	}
-	/*
-	 * nonexistent IRQs are edge default
-	 */
-	return 0;
+        for (apic = 0; apic < nr_ioapics; apic++) {
+                for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
+                        idx = find_irq_entry(apic, pin, mp_INT);
+                        if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
+                                return irq_trigger(idx);
+                }
+        }
+        /*
+         * nonexistent IRQs are edge default
+         */
+        return 0;
 }
 #else
 static inline int IO_APIC_irq_trigger(int irq)
 {
-        return 1;
+	return 1;
 }
 #endif
 
@@ -1318,13 +1397,27 @@ static void ioapic_register_intr(int irq, unsigned long trigger)
 	else
 		desc->status &= ~IRQ_LEVEL;
 
+#ifdef CONFIG_INTR_REMAP
+	if (irq_remapped(irq)) {
+		desc->status |= IRQ_MOVE_PCNTXT;
+		if (trigger)
+			set_irq_chip_and_handler_name(irq, &ir_ioapic_chip,
+						      handle_fasteoi_irq,
+						     "fasteoi");
+		else
+			set_irq_chip_and_handler_name(irq, &ir_ioapic_chip,
+						      handle_edge_irq, "edge");
+		return;
+	}
+#endif
 	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
 	    trigger == IOAPIC_LEVEL)
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
-					 handle_fasteoi_irq, "fasteoi");
+					      handle_fasteoi_irq,
+					      "fasteoi");
 	else
 		set_irq_chip_and_handler_name(irq, &ioapic_chip,
-					 handle_edge_irq, "edge");
+					      handle_edge_irq, "edge");
 }
 
 static int setup_ioapic_entry(int apic, int irq,
@@ -1337,11 +1430,45 @@ static int setup_ioapic_entry(int apic, int irq,
 	 */
 	memset(entry,0,sizeof(*entry));
 
-	entry->delivery_mode = INT_DELIVERY_MODE;
-	entry->dest_mode = INT_DEST_MODE;
-	entry->dest = destination;
+#ifdef CONFIG_INTR_REMAP
+	if (intr_remapping_enabled) {
+		struct intel_iommu *iommu = map_ioapic_to_ir(apic);
+		struct irte irte;
+		struct IR_IO_APIC_route_entry *ir_entry =
+			(struct IR_IO_APIC_route_entry *) entry;
+		int index;
+
+		if (!iommu)
+			panic("No mapping iommu for ioapic %d\n", apic);
+
+		index = alloc_irte(iommu, irq, 1);
+		if (index < 0)
+			panic("Failed to allocate IRTE for ioapic %d\n", apic);
+
+		memset(&irte, 0, sizeof(irte));
+
+		irte.present = 1;
+		irte.dst_mode = INT_DEST_MODE;
+		irte.trigger_mode = trigger;
+		irte.dlvry_mode = INT_DELIVERY_MODE;
+		irte.vector = vector;
+		irte.dest_id = IRTE_DEST(destination);
+
+		modify_irte(irq, &irte);
+
+		ir_entry->index2 = (index >> 15) & 0x1;
+		ir_entry->zero = 0;
+		ir_entry->format = 1;
+		ir_entry->index = (index & 0x7fff);
+	} else
+#endif
+	{
+		entry->delivery_mode = INT_DELIVERY_MODE;
+		entry->dest_mode = INT_DEST_MODE;
+		entry->dest = destination;
+	}
 
-	entry->mask = 0;                                /* enable IRQ */
+	entry->mask = 0;				/* enable IRQ */
 	entry->trigger = trigger;
 	entry->polarity = polarity;
 	entry->vector = vector;
@@ -1351,12 +1478,11 @@ static int setup_ioapic_entry(int apic, int irq,
 	 */
 	if (trigger)
 		entry->mask = 1;
-
 	return 0;
 }
 
 static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
-                              int trigger, int polarity)
+			      int trigger, int polarity)
 {
 	struct irq_cfg *cfg;
 	struct IO_APIC_route_entry entry;
@@ -1420,10 +1546,10 @@ static void __init setup_IO_APIC_irqs(void)
 		}
 
 		irq = pin_2_irq(idx, apic, pin);
-
+#ifdef CONFIG_X86_32
                 if (multi_timer_check(apic, irq))
                         continue;
-
+#endif
 		add_pin_to_irq(irq, apic, pin);
 
 		setup_IO_APIC_irq(apic, pin, irq,
@@ -1443,6 +1569,11 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
 {
 	struct IO_APIC_route_entry entry;
 
+#ifdef CONFIG_INTR_REMAP
+	if (intr_remapping_enabled)
+		return;
+#endif
+
 	memset(&entry, 0, sizeof(entry));
 
 	/*
@@ -1461,7 +1592,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
 	 * The timer IRQ doesn't have to know that behind the
 	 * scene we may have a 8259A-master in AEOI mode ...
 	 */
-	ioapic_register_intr(0, IOAPIC_EDGE);
+	set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge");
 
 	/*
 	 * Add it to the IO-APIC irq-routing table:
@@ -1501,17 +1632,18 @@ __apicdebuginit(void) print_IO_APIC(void)
 	reg_01.raw = io_apic_read(apic, 1);
 	if (reg_01.bits.version >= 0x10)
 		reg_02.raw = io_apic_read(apic, 2);
-	if (reg_01.bits.version >= 0x20)
-		reg_03.raw = io_apic_read(apic, 3);
+        if (reg_01.bits.version >= 0x20)
+                reg_03.raw = io_apic_read(apic, 3);
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
+	printk("\n");
 	printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
 	printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
 	printk(KERN_DEBUG ".......    : physical APIC id: %02X\n", reg_00.bits.ID);
 	printk(KERN_DEBUG ".......    : Delivery Type: %X\n", reg_00.bits.delivery_type);
 	printk(KERN_DEBUG ".......    : LTS          : %X\n", reg_00.bits.LTS);
 
-	printk(KERN_DEBUG ".... register #01: %08X\n", reg_01.raw);
+	printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)&reg_01);
 	printk(KERN_DEBUG ".......     : max redirection entries: %04X\n", reg_01.bits.entries);
 
 	printk(KERN_DEBUG ".......     : PRQ implemented: %X\n", reg_01.bits.PRQ);
@@ -1548,7 +1680,10 @@ __apicdebuginit(void) print_IO_APIC(void)
 
 		entry = ioapic_read_entry(apic, i);
 
-		printk(KERN_DEBUG " %02x %02X  ", i, entry.dest);
+		printk(KERN_DEBUG " %02x %03X ",
+			i,
+			entry.dest
+		);
 
 		printk("%1d    %1d    %1d   %1d   %1d    %1d    %1d    %02X\n",
 			entry.mask,
@@ -1567,7 +1702,7 @@ __apicdebuginit(void) print_IO_APIC(void)
 		struct irq_pin_list *entry = cfg->irq_2_pin;
 		if (!entry)
 			continue;
-		printk(KERN_DEBUG "IRQ%d ", i);
+		printk(KERN_DEBUG "IRQ%d ", cfg->irq);
 		for (;;) {
 			printk("-> %d:%d", entry->apic, entry->pin);
 			if (!entry->next)
@@ -1614,8 +1749,7 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 	printk("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n",
 		smp_processor_id(), hard_smp_processor_id());
 	v = apic_read(APIC_ID);
-	printk(KERN_INFO "... APIC ID:      %08x (%01x)\n", v,
-			GET_APIC_ID(v));
+	printk(KERN_INFO "... APIC ID:      %08x (%01x)\n", v, read_apic_id());
 	v = apic_read(APIC_LVR);
 	printk(KERN_INFO "... APIC VERSION: %08x\n", v);
 	ver = GET_APIC_VERSION(v);
@@ -1624,7 +1758,7 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 	v = apic_read(APIC_TASKPRI);
 	printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK);
 
-	if (APIC_INTEGRATED(ver)) {			/* !82489DX */
+	if (APIC_INTEGRATED(ver)) {                     /* !82489DX */
 		v = apic_read(APIC_ARBPRI);
 		printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
 			v & APIC_ARBPRI_MASK);
@@ -1650,9 +1784,10 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 	printk(KERN_DEBUG "... APIC IRR field:\n");
 	print_APIC_bitfield(APIC_IRR);
 
-	if (APIC_INTEGRATED(ver)) {		/* !82489DX */
-		if (maxlvt > 3)		/* Due to the Pentium erratum 3AP. */
+	if (APIC_INTEGRATED(ver)) {             /* !82489DX */
+		if (maxlvt > 3)         /* Due to the Pentium erratum 3AP. */
 			apic_write(APIC_ESR, 0);
+
 		v = apic_read(APIC_ESR);
 		printk(KERN_DEBUG "... APIC ESR: %08x\n", v);
 	}
@@ -1710,11 +1845,11 @@ __apicdebuginit(void) print_PIC(void)
 	v = inb(0xa0) << 8 | inb(0x20);
 	printk(KERN_DEBUG "... PIC  IRR: %04x\n", v);
 
-	outb(0x0b, 0xa0);
-	outb(0x0b, 0x20);
+	outb(0x0b,0xa0);
+	outb(0x0b,0x20);
 	v = inb(0xa0) << 8 | inb(0x20);
-	outb(0x0a, 0xa0);
-	outb(0x0a, 0x20);
+	outb(0x0a,0xa0);
+	outb(0x0a,0x20);
 
 	spin_unlock_irqrestore(&i8259A_lock, flags);
 
@@ -1739,16 +1874,19 @@ fs_initcall(print_all_ICs);
 /* Where if anywhere is the i8259 connect in external int mode */
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
 
-static void __init enable_IO_APIC(void)
+void __init enable_IO_APIC(void)
 {
 	union IO_APIC_reg_01 reg_01;
 	int i8259_apic, i8259_pin;
-	int i, apic;
+	int apic;
 	unsigned long flags;
 
+#ifdef CONFIG_X86_32
+	int i;
 	if (!pirqs_enabled)
 		for (i = 0; i < MAX_PIRQS; i++)
 			pirq_entries[i] = -1;
+#endif
 
 	/*
 	 * The number of IO-APIC IRQ registers (== #pins):
@@ -1759,7 +1897,7 @@ static void __init enable_IO_APIC(void)
 		spin_unlock_irqrestore(&ioapic_lock, flags);
 		nr_ioapic_registers[apic] = reg_01.bits.entries+1;
 	}
-	for (apic = 0; apic < nr_ioapics; apic++) {
+	for(apic = 0; apic < nr_ioapics; apic++) {
 		int pin;
 		/* See if any of the pins is in ExtINT mode */
 		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
@@ -1830,16 +1968,18 @@ void disable_IO_APIC(void)
 		entry.dest_mode       = 0; /* Physical */
 		entry.delivery_mode   = dest_ExtINT; /* ExtInt */
 		entry.vector          = 0;
-		entry.dest	      = read_apic_id();
+		entry.dest            = read_apic_id();
 
 		/*
 		 * Add it to the IO-APIC irq-routing table:
 		 */
 		ioapic_write_entry(ioapic_i8259.apic, ioapic_i8259.pin, entry);
 	}
+
 	disconnect_bsp_APIC(ioapic_i8259.pin != -1);
 }
 
+#ifdef CONFIG_X86_32
 /*
  * function to set the IO-APIC physical IDs based on the
  * values stored in the MPC table.
@@ -1940,8 +2080,6 @@ static void __init setup_ioapic_ids_from_mpc(void)
 
 		reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
 		spin_lock_irqsave(&ioapic_lock, flags);
-		io_apic_write(apic, 0, reg_00.raw);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
 
 		/*
 		 * Sanity check
@@ -1955,6 +2093,7 @@ static void __init setup_ioapic_ids_from_mpc(void)
 			apic_printk(APIC_VERBOSE, " ok.\n");
 	}
 }
+#endif
 
 int no_timer_check __initdata;
 
@@ -1994,9 +2133,10 @@ static int __init timer_irq_works(void)
 	 * might have cached one ExtINT interrupt.  Finally, at
 	 * least one tick may be lost due to delays.
 	 */
+
+	/* jiffies wrap? */
 	if (time_after(jiffies, t1 + 4))
 		return 1;
-
 	return 0;
 }
 
@@ -2014,8 +2154,6 @@ static int __init timer_irq_works(void)
  */
 
 /*
- * Startup quirk:
- *
  * Starting up a edge-triggered IO-APIC interrupt is
  * nasty - we need to make sure that we get the edge.
  * If it is already asserted for some reason, we need
@@ -2023,9 +2161,8 @@ static int __init timer_irq_works(void)
  *
  * This is not complete - we should be able to fake
  * an edge even if it isn't on the 8259A...
- *
- * (We do this for level-triggered IRQs too - it cannot hurt.)
  */
+
 static unsigned int startup_ioapic_irq(unsigned int irq)
 {
 	int was_pending = 0;
@@ -2043,70 +2180,254 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
 	return was_pending;
 }
 
+#ifdef CONFIG_X86_64
 static int ioapic_retrigger_irq(unsigned int irq)
 {
-	send_IPI_self(irq_cfg(irq)->vector);
+
+	struct irq_cfg *cfg = irq_cfg(irq);
+	unsigned long flags;
+
+	spin_lock_irqsave(&vector_lock, flags);
+	send_IPI_mask(cpumask_of_cpu(first_cpu(cfg->domain)), cfg->vector);
+	spin_unlock_irqrestore(&vector_lock, flags);
 
 	return 1;
 }
-
-#ifdef CONFIG_SMP
-asmlinkage void smp_irq_move_cleanup_interrupt(void)
+#else
+static int ioapic_retrigger_irq(unsigned int irq)
 {
-	unsigned vector, me;
-	ack_APIC_irq();
-	irq_enter();
-
-	me = smp_processor_id();
-	for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
-		unsigned int irq;
-		struct irq_desc *desc;
-		struct irq_cfg *cfg;
-		irq = __get_cpu_var(vector_irq)[vector];
+        send_IPI_self(irq_cfg(irq)->vector);
 
-		desc = irq_to_desc(irq);
-		if (!desc)
-			continue;
+        return 1;
+}
+#endif
 
-		cfg = irq_cfg(irq);
-		spin_lock(&desc->lock);
-		if (!cfg->move_cleanup_count)
-			goto unlock;
+/*
+ * Level and edge triggered IO-APIC interrupts need different handling,
+ * so we use two separate IRQ descriptors. Edge triggered IRQs can be
+ * handled with the level-triggered descriptor, but that one has slightly
+ * more overhead. Level-triggered interrupts cannot be handled with the
+ * edge-triggered handler, without risking IRQ storms and other ugly
+ * races.
+ */
 
-		if ((vector == cfg->vector) && cpu_isset(me, cfg->domain))
-			goto unlock;
+#ifdef CONFIG_SMP
 
-		__get_cpu_var(vector_irq)[vector] = -1;
-		cfg->move_cleanup_count--;
-unlock:
-		spin_unlock(&desc->lock);
-	}
+#ifdef CONFIG_INTR_REMAP
+static void ir_irq_migration(struct work_struct *work);
 
-	irq_exit();
-}
+static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration);
 
-static void irq_complete_move(unsigned int irq)
+/*
+ * Migrate the IO-APIC irq in the presence of intr-remapping.
+ *
+ * For edge triggered, irq migration is a simple atomic update(of vector
+ * and cpu destination) of IRTE and flush the hardware cache.
+ *
+ * For level triggered, we need to modify the io-apic RTE aswell with the update
+ * vector information, along with modifying IRTE with vector and destination.
+ * So irq migration for level triggered is little  bit more complex compared to
+ * edge triggered migration. But the good news is, we use the same algorithm
+ * for level triggered migration as we have today, only difference being,
+ * we now initiate the irq migration from process context instead of the
+ * interrupt context.
+ *
+ * In future, when we do a directed EOI (combined with cpu EOI broadcast
+ * suppression) to the IO-APIC, level triggered irq migration will also be
+ * as simple as edge triggered migration and we can do the irq migration
+ * with a simple atomic update to IO-APIC RTE.
+ */
+static void migrate_ioapic_irq(int irq, cpumask_t mask)
 {
-	struct irq_cfg *cfg = irq_cfg(irq);
-	unsigned vector, me;
+	struct irq_cfg *cfg;
+	struct irq_desc *desc;
+	cpumask_t tmp, cleanup_mask;
+	struct irte irte;
+	int modify_ioapic_rte;
+	unsigned int dest;
+	unsigned long flags;
 
-	if (likely(!cfg->move_in_progress))
+	cpus_and(tmp, mask, cpu_online_map);
+	if (cpus_empty(tmp))
 		return;
 
-	vector = ~get_irq_regs()->orig_ax;
-	me = smp_processor_id();
-	if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) {
-		cpumask_t cleanup_mask;
+	if (get_irte(irq, &irte))
+		return;
 
-		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
-		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
-		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
+	if (assign_irq_vector(irq, mask))
+		return;
+
+	cfg = irq_cfg(irq);
+	cpus_and(tmp, cfg->domain, mask);
+	dest = cpu_mask_to_apicid(tmp);
+
+	desc = irq_to_desc(irq);
+	modify_ioapic_rte = desc->status & IRQ_LEVEL;
+	if (modify_ioapic_rte) {
+		spin_lock_irqsave(&ioapic_lock, flags);
+		__target_IO_APIC_irq(irq, dest, cfg->vector);
+		spin_unlock_irqrestore(&ioapic_lock, flags);
+	}
+
+	irte.vector = cfg->vector;
+	irte.dest_id = IRTE_DEST(dest);
+
+	/*
+	 * Modified the IRTE and flushes the Interrupt entry cache.
+	 */
+	modify_irte(irq, &irte);
+
+	if (cfg->move_in_progress) {
+		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
+		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
+		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
+		cfg->move_in_progress = 0;
+	}
+
+	desc->affinity = mask;
+}
+
+static int migrate_irq_remapped_level(int irq)
+{
+	int ret = -1;
+	struct irq_desc *desc = irq_to_desc(irq);
+
+	mask_IO_APIC_irq(irq);
+
+	if (io_apic_level_ack_pending(irq)) {
+		/*
+	 	 * Interrupt in progress. Migrating irq now will change the
+		 * vector information in the IO-APIC RTE and that will confuse
+		 * the EOI broadcast performed by cpu.
+		 * So, delay the irq migration to the next instance.
+		 */
+		schedule_delayed_work(&ir_migration_work, 1);
+		goto unmask;
+	}
+
+	/* everthing is clear. we have right of way */
+	migrate_ioapic_irq(irq, desc->pending_mask);
+
+	ret = 0;
+	desc->status &= ~IRQ_MOVE_PENDING;
+	cpus_clear(desc->pending_mask);
+
+unmask:
+	unmask_IO_APIC_irq(irq);
+	return ret;
+}
+
+static void ir_irq_migration(struct work_struct *work)
+{
+	unsigned int irq;
+	struct irq_desc *desc;
+
+	for_each_irq_desc(irq, desc) {
+		if (desc->status & IRQ_MOVE_PENDING) {
+			unsigned long flags;
+
+			spin_lock_irqsave(&desc->lock, flags);
+			if (!desc->chip->set_affinity ||
+			    !(desc->status & IRQ_MOVE_PENDING)) {
+				desc->status &= ~IRQ_MOVE_PENDING;
+				spin_unlock_irqrestore(&desc->lock, flags);
+				continue;
+			}
+
+			desc->chip->set_affinity(irq, desc->pending_mask);
+			spin_unlock_irqrestore(&desc->lock, flags);
+		}
+	}
+}
+
+/*
+ * Migrates the IRQ destination in the process context.
+ */
+static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
+{
+	struct irq_desc *desc = irq_to_desc(irq);
+
+	if (desc->status & IRQ_LEVEL) {
+		desc->status |= IRQ_MOVE_PENDING;
+		desc->pending_mask = mask;
+		migrate_irq_remapped_level(irq);
+		return;
+	}
+
+	migrate_ioapic_irq(irq, mask);
+}
+#endif
+
+asmlinkage void smp_irq_move_cleanup_interrupt(void)
+{
+	unsigned vector, me;
+	ack_APIC_irq();
+#ifdef CONFIG_X86_64
+	exit_idle();
+#endif
+	irq_enter();
+
+	me = smp_processor_id();
+	for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
+		unsigned int irq;
+		struct irq_desc *desc;
+		struct irq_cfg *cfg;
+		irq = __get_cpu_var(vector_irq)[vector];
+
+		desc = irq_to_desc(irq);
+		if (!desc)
+			continue;
+
+		cfg = irq_cfg(irq);
+		spin_lock(&desc->lock);
+		if (!cfg->move_cleanup_count)
+			goto unlock;
+
+		if ((vector == cfg->vector) && cpu_isset(me, cfg->domain))
+			goto unlock;
+
+		__get_cpu_var(vector_irq)[vector] = -1;
+		cfg->move_cleanup_count--;
+unlock:
+		spin_unlock(&desc->lock);
+	}
+
+	irq_exit();
+}
+
+static void irq_complete_move(unsigned int irq)
+{
+	struct irq_cfg *cfg = irq_cfg(irq);
+	unsigned vector, me;
+
+	if (likely(!cfg->move_in_progress))
+		return;
+
+	vector = ~get_irq_regs()->orig_ax;
+	me = smp_processor_id();
+	if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) {
+		cpumask_t cleanup_mask;
+
+		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
+		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
+		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
 		cfg->move_in_progress = 0;
 	}
 }
 #else
 static inline void irq_complete_move(unsigned int irq) {}
 #endif
+#ifdef CONFIG_INTR_REMAP
+static void ack_x2apic_level(unsigned int irq)
+{
+	ack_x2APIC_irq();
+}
+
+static void ack_x2apic_edge(unsigned int irq)
+{
+	ack_x2APIC_irq();
+}
+#endif
 
 static void ack_apic_edge(unsigned int irq)
 {
@@ -2118,55 +2439,55 @@ static void ack_apic_edge(unsigned int irq)
 #ifdef CONFIG_X86_64
 static void ack_apic_level(unsigned int irq)
 {
-        int do_unmask_irq = 0;
+	int do_unmask_irq = 0;
 
-        irq_complete_move(irq);
+	irq_complete_move(irq);
 #ifdef CONFIG_GENERIC_PENDING_IRQ
-        /* If we are moving the irq we need to mask it */
-        if (unlikely(desc->status & IRQ_MOVE_PENDING)) {
-                do_unmask_irq = 1;
-                mask_IO_APIC_irq(irq);
-        }
+	/* If we are moving the irq we need to mask it */
+	if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
+		do_unmask_irq = 1;
+		mask_IO_APIC_irq(irq);
+	}
 #endif
 
-        /*
-         * We must acknowledge the irq before we move it or the acknowledge will
-         * not propagate properly.
-         */
-        ack_APIC_irq();
-
-        /* Now we can move and renable the irq */
-        if (unlikely(do_unmask_irq)) {
-                /* Only migrate the irq if the ack has been received.
-                 *
-                 * On rare occasions the broadcast level triggered ack gets
-                 * delayed going to ioapics, and if we reprogram the
-                 * vector while Remote IRR is still set the irq will never
-                 * fire again.
-                 *
-                 * To prevent this scenario we read the Remote IRR bit
-                 * of the ioapic.  This has two effects.
-                 * - On any sane system the read of the ioapic will
-                 *   flush writes (and acks) going to the ioapic from
-                 *   this cpu.
-                 * - We get to see if the ACK has actually been delivered.
-                 *
-                 * Based on failed experiments of reprogramming the
-                 * ioapic entry from outside of irq context starting
-                 * with masking the ioapic entry and then polling until
-                 * Remote IRR was clear before reprogramming the
-                 * ioapic I don't trust the Remote IRR bit to be
-                 * completey accurate.
-                 *
-                 * However there appears to be no other way to plug
-                 * this race, so if the Remote IRR bit is not
-                 * accurate and is causing problems then it is a hardware bug
-                 * and you can go talk to the chipset vendor about it.
-                 */
-                if (!io_apic_level_ack_pending(irq))
-                        move_masked_irq(irq, desc);
-                unmask_IO_APIC_irq(irq);
-        }
+	/*
+	 * We must acknowledge the irq before we move it or the acknowledge will
+	 * not propagate properly.
+	 */
+	ack_APIC_irq();
+
+	/* Now we can move and renable the irq */
+	if (unlikely(do_unmask_irq)) {
+		/* Only migrate the irq if the ack has been received.
+		 *
+		 * On rare occasions the broadcast level triggered ack gets
+		 * delayed going to ioapics, and if we reprogram the
+		 * vector while Remote IRR is still set the irq will never
+		 * fire again.
+		 *
+		 * To prevent this scenario we read the Remote IRR bit
+		 * of the ioapic.  This has two effects.
+		 * - On any sane system the read of the ioapic will
+		 *   flush writes (and acks) going to the ioapic from
+		 *   this cpu.
+		 * - We get to see if the ACK has actually been delivered.
+		 *
+		 * Based on failed experiments of reprogramming the
+		 * ioapic entry from outside of irq context starting
+		 * with masking the ioapic entry and then polling until
+		 * Remote IRR was clear before reprogramming the
+		 * ioapic I don't trust the Remote IRR bit to be
+		 * completey accurate.
+		 *
+		 * However there appears to be no other way to plug
+		 * this race, so if the Remote IRR bit is not
+		 * accurate and is causing problems then it is a hardware bug
+		 * and you can go talk to the chipset vendor about it.
+		 */
+		if (!io_apic_level_ack_pending(irq))
+			move_masked_irq(irq);
+		unmask_IO_APIC_irq(irq);
+	}
 }
 #else
 atomic_t irq_mis_count;
@@ -2177,25 +2498,25 @@ static void ack_apic_level(unsigned int irq)
 
 	irq_complete_move(irq);
 	move_native_irq(irq);
-/*
- * It appears there is an erratum which affects at least version 0x11
- * of I/O APIC (that's the 82093AA and cores integrated into various
- * chipsets).  Under certain conditions a level-triggered interrupt is
- * erroneously delivered as edge-triggered one but the respective IRR
- * bit gets set nevertheless.  As a result the I/O unit expects an EOI
- * message but it will never arrive and further interrupts are blocked
- * from the source.  The exact reason is so far unknown, but the
- * phenomenon was observed when two consecutive interrupt requests
- * from a given source get delivered to the same CPU and the source is
- * temporarily disabled in between.
- *
- * A workaround is to simulate an EOI message manually.  We achieve it
- * by setting the trigger mode to edge and then to level when the edge
- * trigger mode gets detected in the TMR of a local APIC for a
- * level-triggered interrupt.  We mask the source for the time of the
- * operation to prevent an edge-triggered interrupt escaping meanwhile.
- * The idea is from Manfred Spraul.  --macro
- */
+	/*
+	* It appears there is an erratum which affects at least version 0x11
+	* of I/O APIC (that's the 82093AA and cores integrated into various
+	* chipsets).  Under certain conditions a level-triggered interrupt is
+	* erroneously delivered as edge-triggered one but the respective IRR
+	* bit gets set nevertheless.  As a result the I/O unit expects an EOI
+	* message but it will never arrive and further interrupts are blocked
+	* from the source.  The exact reason is so far unknown, but the
+	* phenomenon was observed when two consecutive interrupt requests
+	* from a given source get delivered to the same CPU and the source is
+	* temporarily disabled in between.
+	*
+	* A workaround is to simulate an EOI message manually.  We achieve it
+	* by setting the trigger mode to edge and then to level when the edge
+	* trigger mode gets detected in the TMR of a local APIC for a
+	* level-triggered interrupt.  We mask the source for the time of the
+	* operation to prevent an edge-triggered interrupt escaping meanwhile.
+	* The idea is from Manfred Spraul.  --macro
+	*/
 	i = irq_cfg(irq)->vector;
 
 	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
@@ -2225,6 +2546,20 @@ static struct irq_chip ioapic_chip __read_mostly = {
 	.retrigger	= ioapic_retrigger_irq,
 };
 
+#ifdef CONFIG_INTR_REMAP
+static struct irq_chip ir_ioapic_chip __read_mostly = {
+	.name 		= "IR-IO-APIC",
+	.startup 	= startup_ioapic_irq,
+	.mask	 	= mask_IO_APIC_irq,
+	.unmask	 	= unmask_IO_APIC_irq,
+	.ack 		= ack_x2apic_edge,
+	.eoi 		= ack_x2apic_level,
+#ifdef CONFIG_SMP
+	.set_affinity 	= set_ir_ioapic_affinity_irq,
+#endif
+	.retrigger	= ioapic_retrigger_irq,
+};
+#endif
 
 static inline void init_IO_APIC_traps(void)
 {
@@ -2282,7 +2617,7 @@ static void unmask_lapic_irq(unsigned int irq)
 	apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED);
 }
 
-static void ack_lapic_irq(unsigned int irq)
+static void ack_lapic_irq (unsigned int irq)
 {
 	ack_APIC_irq();
 }
@@ -2383,12 +2718,12 @@ static inline void __init unlock_ExtINT_logic(void)
 
 static int disable_timer_pin_1 __initdata;
 /* Actually the next is obsolete, but keep it for paranoid reasons -AK */
-static int __init parse_disable_timer_pin_1(char *arg)
+static int __init disable_timer_pin_setup(char *arg)
 {
 	disable_timer_pin_1 = 1;
 	return 0;
 }
-early_param("disable_timer_pin_1", parse_disable_timer_pin_1);
+early_param("disable_timer_pin_1", disable_timer_pin_setup);
 
 int timer_through_8259 __initdata;
 
@@ -2397,6 +2732,8 @@ int timer_through_8259 __initdata;
  * a wide range of boards and BIOS bugs.  Fortunately only the timer IRQ
  * is so screwy.  Thanks to Brian Perkins for testing/hacking this beast
  * fanatically on his truly buggy board.
+ *
+ * FIXME: really need to revamp this for all platforms.
  */
 static inline void __init check_timer(void)
 {
@@ -2408,8 +2745,8 @@ static inline void __init check_timer(void)
 
 	local_irq_save(flags);
 
-	ver = apic_read(APIC_LVR);
-	ver = GET_APIC_VERSION(ver);
+        ver = apic_read(APIC_LVR);
+        ver = GET_APIC_VERSION(ver);
 
 	/*
 	 * get/set the timer IRQ vector:
@@ -2428,7 +2765,9 @@ static inline void __init check_timer(void)
 	 */
 	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
 	init_8259A(1);
+#ifdef CONFIG_X86_32
 	timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
+#endif
 
 	pin1  = find_isa_irq_pin(0, mp_INT);
 	apic1 = find_isa_irq_apic(0, mp_INT);
@@ -2447,6 +2786,10 @@ static inline void __init check_timer(void)
 	 * 8259A.
 	 */
 	if (pin1 == -1) {
+#ifdef CONFIG_INTR_REMAP
+		if (intr_remapping_enabled)
+			panic("BIOS bug: timer not connected to IO-APIC");
+#endif
 		pin1 = pin2;
 		apic1 = apic2;
 		no_pin1 = 1;
@@ -2473,6 +2816,10 @@ static inline void __init check_timer(void)
 				clear_IO_APIC_pin(0, pin1);
 			goto out;
 		}
+#ifdef CONFIG_INTR_REMAP
+		if (intr_remapping_enabled)
+			panic("timer doesn't work through Interrupt-remapped IO-APIC");
+#endif
 		clear_IO_APIC_pin(apic1, pin1);
 		if (!no_pin1)
 			apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: "
@@ -2512,7 +2859,9 @@ static inline void __init check_timer(void)
 			    "through the IO-APIC - disabling NMI Watchdog!\n");
 		nmi_watchdog = NMI_NONE;
 	}
+#ifdef CONFIG_X86_32
 	timer_ack = 0;
+#endif
 
 	apic_printk(APIC_QUIET, KERN_INFO
 		    "...trying to set up timer as Virtual Wire IRQ...\n");
@@ -2570,17 +2919,25 @@ out:
 
 void __init setup_IO_APIC(void)
 {
+
+#ifdef CONFIG_X86_32
 	enable_IO_APIC();
+#else
+	/*
+	 * calling enable_IO_APIC() is moved to setup_local_APIC for BP
+	 */
+#endif
 
 	io_apic_irqs = ~PIC_IRQS;
 
-	printk("ENABLING IO-APIC IRQs\n");
-
-	/*
-	 * Set up IO-APIC IRQ routing.
-	 */
-	if (!acpi_ioapic)
-		setup_ioapic_ids_from_mpc();
+	apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
+        /*
+         * Set up IO-APIC IRQ routing.
+         */
+#ifdef CONFIG_X86_32
+        if (!acpi_ioapic)
+                setup_ioapic_ids_from_mpc();
+#endif
 	sync_Arb_IDs();
 	setup_IO_APIC_irqs();
 	init_IO_APIC_traps();
@@ -2588,15 +2945,15 @@ void __init setup_IO_APIC(void)
 }
 
 /*
- *	Called after all the initialization is done. If we didnt find any
- *	APIC bugs then we can allow the modify fast path
+ *      Called after all the initialization is done. If we didnt find any
+ *      APIC bugs then we can allow the modify fast path
  */
 
 static int __init io_apic_bug_finalize(void)
 {
-	if (sis_apic_bug == -1)
-		sis_apic_bug = 0;
-	return 0;
+        if (sis_apic_bug == -1)
+                sis_apic_bug = 0;
+        return 0;
 }
 
 late_initcall(io_apic_bug_finalize);
@@ -2605,7 +2962,7 @@ struct sysfs_ioapic_data {
 	struct sys_device dev;
 	struct IO_APIC_route_entry entry[0];
 };
-static struct sysfs_ioapic_data *mp_ioapic_data[MAX_IO_APICS];
+static struct sysfs_ioapic_data * mp_ioapic_data[MAX_IO_APICS];
 
 static int ioapic_suspend(struct sys_device *dev, pm_message_t state)
 {
@@ -2615,8 +2972,8 @@ static int ioapic_suspend(struct sys_device *dev, pm_message_t state)
 
 	data = container_of(dev, struct sysfs_ioapic_data, dev);
 	entry = data->entry;
-	for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
-		entry[i] = ioapic_read_entry(dev->id, i);
+	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ )
+		*entry = ioapic_read_entry(dev->id, i);
 
 	return 0;
 }
@@ -2653,14 +3010,14 @@ static struct sysdev_class ioapic_sysdev_class = {
 
 static int __init ioapic_init_sysfs(void)
 {
-	struct sys_device *dev;
-	int i, size, error = 0;
+	struct sys_device * dev;
+	int i, size, error;
 
 	error = sysdev_class_register(&ioapic_sysdev_class);
 	if (error)
 		return error;
 
-	for (i = 0; i < nr_ioapics; i++) {
+	for (i = 0; i < nr_ioapics; i++ ) {
 		size = sizeof(struct sys_device) + nr_ioapic_registers[i]
 			* sizeof(struct IO_APIC_route_entry);
 		mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL);
@@ -2691,18 +3048,18 @@ device_initcall(ioapic_init_sysfs);
 unsigned int create_irq_nr(unsigned int irq_want)
 {
 	/* Allocate an unused irq */
-	unsigned int irq, new;
+	unsigned int irq;
+	unsigned int new;
 	unsigned long flags;
 	struct irq_cfg *cfg_new;
 
 #ifndef CONFIG_HAVE_SPARSE_IRQ
-	/* only can use bus/dev/fn.. when per_cpu vector is used */
 	irq_want = nr_irqs - 1;
 #endif
 
 	irq = 0;
 	spin_lock_irqsave(&vector_lock, flags);
-	for (new = (nr_irqs - 1); new > 0; new--) {
+	for (new = irq_want; new > 0; new--) {
 		if (platform_legacy_irq(new))
 			continue;
 		cfg_new = irq_cfg(new);
@@ -2725,7 +3082,14 @@ unsigned int create_irq_nr(unsigned int irq_want)
 
 int create_irq(void)
 {
-	return create_irq_nr(nr_irqs - 1);
+	int irq;
+
+	irq = create_irq_nr(nr_irqs - 1);
+
+	if (irq == 0)
+		irq = -1;
+
+	return irq;
 }
 
 void destroy_irq(unsigned int irq)
@@ -2734,6 +3098,9 @@ void destroy_irq(unsigned int irq)
 
 	dynamic_irq_cleanup(irq);
 
+#ifdef CONFIG_INTR_REMAP
+	free_irte(irq);
+#endif
 	spin_lock_irqsave(&vector_lock, flags);
 	__clear_irq_vector(irq);
 	spin_unlock_irqrestore(&vector_lock, flags);
@@ -2759,25 +3126,54 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_ms
 	cpus_and(tmp, cfg->domain, tmp);
 	dest = cpu_mask_to_apicid(tmp);
 
-	msg->address_hi = MSI_ADDR_BASE_HI;
-	msg->address_lo =
-		MSI_ADDR_BASE_LO |
-		((INT_DEST_MODE == 0) ?
-			MSI_ADDR_DEST_MODE_PHYSICAL:
-			MSI_ADDR_DEST_MODE_LOGICAL) |
-		((INT_DELIVERY_MODE != dest_LowestPrio) ?
-			MSI_ADDR_REDIRECTION_CPU:
-			MSI_ADDR_REDIRECTION_LOWPRI) |
-		MSI_ADDR_DEST_ID(dest);
-
-	msg->data =
-		MSI_DATA_TRIGGER_EDGE |
-		MSI_DATA_LEVEL_ASSERT |
-		((INT_DELIVERY_MODE != dest_LowestPrio) ?
-			MSI_DATA_DELIVERY_FIXED:
-			MSI_DATA_DELIVERY_LOWPRI) |
-		MSI_DATA_VECTOR(cfg->vector);
+#ifdef CONFIG_INTR_REMAP
+	if (irq_remapped(irq)) {
+		struct irte irte;
+		int ir_index;
+		u16 sub_handle;
+
+		ir_index = map_irq_to_irte_handle(irq, &sub_handle);
+		BUG_ON(ir_index == -1);
+
+		memset (&irte, 0, sizeof(irte));
+
+		irte.present = 1;
+		irte.dst_mode = INT_DEST_MODE;
+		irte.trigger_mode = 0; /* edge */
+		irte.dlvry_mode = INT_DELIVERY_MODE;
+		irte.vector = cfg->vector;
+		irte.dest_id = IRTE_DEST(dest);
+
+		modify_irte(irq, &irte);
+
+		msg->address_hi = MSI_ADDR_BASE_HI;
+		msg->data = sub_handle;
+		msg->address_lo = MSI_ADDR_BASE_LO | MSI_ADDR_IR_EXT_INT |
+				  MSI_ADDR_IR_SHV |
+				  MSI_ADDR_IR_INDEX1(ir_index) |
+				  MSI_ADDR_IR_INDEX2(ir_index);
+	} else
+#endif
+	{
+		msg->address_hi = MSI_ADDR_BASE_HI;
+		msg->address_lo =
+			MSI_ADDR_BASE_LO |
+			((INT_DEST_MODE == 0) ?
+				MSI_ADDR_DEST_MODE_PHYSICAL:
+				MSI_ADDR_DEST_MODE_LOGICAL) |
+			((INT_DELIVERY_MODE != dest_LowestPrio) ?
+				MSI_ADDR_REDIRECTION_CPU:
+				MSI_ADDR_REDIRECTION_LOWPRI) |
+			MSI_ADDR_DEST_ID(dest);
 
+		msg->data =
+			MSI_DATA_TRIGGER_EDGE |
+			MSI_DATA_LEVEL_ASSERT |
+			((INT_DELIVERY_MODE != dest_LowestPrio) ?
+				MSI_DATA_DELIVERY_FIXED:
+				MSI_DATA_DELIVERY_LOWPRI) |
+			MSI_DATA_VECTOR(cfg->vector);
+	}
 	return err;
 }
 
@@ -2788,6 +3184,7 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	struct msi_msg msg;
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2808,8 +3205,61 @@ static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
 	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
 
 	write_msi_msg(irq, &msg);
-	irq_to_desc(irq)->affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
+
+#ifdef CONFIG_INTR_REMAP
+/*
+ * Migrate the MSI irq to another cpumask. This migration is
+ * done in the process context using interrupt-remapping hardware.
+ */
+static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
+{
+	struct irq_cfg *cfg;
+	unsigned int dest;
+	cpumask_t tmp, cleanup_mask;
+	struct irte irte;
+	struct irq_desc *desc;
+
+	cpus_and(tmp, mask, cpu_online_map);
+	if (cpus_empty(tmp))
+		return;
+
+	if (get_irte(irq, &irte))
+		return;
+
+	if (assign_irq_vector(irq, mask))
+		return;
+
+	cfg = irq_cfg(irq);
+	cpus_and(tmp, cfg->domain, mask);
+	dest = cpu_mask_to_apicid(tmp);
+
+	irte.vector = cfg->vector;
+	irte.dest_id = IRTE_DEST(dest);
+
+	/*
+	 * atomically update the IRTE with the new destination and vector.
+	 */
+	modify_irte(irq, &irte);
+
+	/*
+	 * After this point, all the interrupts will start arriving
+	 * at the new destination. So, time to cleanup the previous
+	 * vector allocation.
+	 */
+	if (cfg->move_in_progress) {
+		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
+		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
+		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
+		cfg->move_in_progress = 0;
+	}
+
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
+}
+#endif
 #endif /* CONFIG_SMP */
 
 /*
@@ -2827,6 +3277,45 @@ static struct irq_chip msi_chip = {
 	.retrigger	= ioapic_retrigger_irq,
 };
 
+#ifdef CONFIG_INTR_REMAP
+static struct irq_chip msi_ir_chip = {
+	.name		= "IR-PCI-MSI",
+	.unmask		= unmask_msi_irq,
+	.mask		= mask_msi_irq,
+	.ack		= ack_x2apic_edge,
+#ifdef CONFIG_SMP
+	.set_affinity	= ir_set_msi_irq_affinity,
+#endif
+	.retrigger	= ioapic_retrigger_irq,
+};
+
+/*
+ * Map the PCI dev to the corresponding remapping hardware unit
+ * and allocate 'nvec' consecutive interrupt-remapping table entries
+ * in it.
+ */
+static int msi_alloc_irte(struct pci_dev *dev, int irq, int nvec)
+{
+	struct intel_iommu *iommu;
+	int index;
+
+	iommu = map_dev_to_ir(dev);
+	if (!iommu) {
+		printk(KERN_ERR
+		       "Unable to map PCI %s to iommu\n", pci_name(dev));
+		return -ENOENT;
+	}
+
+	index = alloc_irte(iommu, irq, nvec);
+	if (index < 0) {
+		printk(KERN_ERR
+		       "Unable to allocate %d IRTE for PCI %s\n", nvec,
+		        pci_name(dev));
+		return -ENOSPC;
+	}
+	return index;
+}
+#endif
 
 static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
 {
@@ -2840,7 +3329,17 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
 	set_irq_msi(irq, desc);
 	write_msi_msg(irq, &msg);
 
-	set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge");
+#ifdef CONFIG_INTR_REMAP
+	if (irq_remapped(irq)) {
+		struct irq_desc *desc = irq_to_desc(irq);
+		/*
+		 * irq migration in process context
+		 */
+		desc->status |= IRQ_MOVE_PCNTXT;
+		set_irq_chip_and_handler_name(irq, &msi_ir_chip, handle_edge_irq, "edge");
+	} else
+#endif
+		set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge");
 
 	return 0;
 }
@@ -2859,59 +3358,164 @@ static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
 
 int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
 {
-	int irq, ret;
-
+	unsigned int irq;
+	int ret;
 	unsigned int irq_want;
 
 	irq_want = build_irq_for_pci_dev(dev) + 0x100;
 
 	irq = create_irq_nr(irq_want);
-
 	if (irq == 0)
 		return -1;
 
+#ifdef CONFIG_INTR_REMAP
+	if (!intr_remapping_enabled)
+		goto no_ir;
+
+	ret = msi_alloc_irte(dev, irq, 1);
+	if (ret < 0)
+		goto error;
+no_ir:
+#endif
 	ret = setup_msi_irq(dev, desc, irq);
 	if (ret < 0) {
 		destroy_irq(irq);
 		return ret;
-        }
-
+	}
 	return 0;
+
+#ifdef CONFIG_INTR_REMAP
+error:
+	destroy_irq(irq);
+	return ret;
+#endif
 }
 
 int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 {
-        unsigned int irq;
-        int ret, sub_handle;
-        struct msi_desc *desc;
-        unsigned int irq_want;
-
-        irq_want = build_irq_for_pci_dev(dev) + 0x100;
-        sub_handle = 0;
-        list_for_each_entry(desc, &dev->msi_list, list) {
-                irq = create_irq_nr(irq_want--);
-                if (irq == 0)
-                        return -1;
-                ret = setup_msi_irq(dev, desc, irq);
-                if (ret < 0)
-                        goto error;
-                sub_handle++;
-        }
-        return 0;
+	unsigned int irq;
+	int ret, sub_handle;
+	struct msi_desc *desc;
+	unsigned int irq_want;
+
+#ifdef CONFIG_INTR_REMAP
+	struct intel_iommu *iommu = 0;
+	int index = 0;
+#endif
+
+	irq_want = build_irq_for_pci_dev(dev) + 0x100;
+	sub_handle = 0;
+	list_for_each_entry(desc, &dev->msi_list, list) {
+		irq = create_irq_nr(irq_want--);
+		if (irq == 0)
+			return -1;
+#ifdef CONFIG_INTR_REMAP
+		if (!intr_remapping_enabled)
+			goto no_ir;
+
+		if (!sub_handle) {
+			/*
+			 * allocate the consecutive block of IRTE's
+			 * for 'nvec'
+			 */
+			index = msi_alloc_irte(dev, irq, nvec);
+			if (index < 0) {
+				ret = index;
+				goto error;
+			}
+		} else {
+			iommu = map_dev_to_ir(dev);
+			if (!iommu) {
+				ret = -ENOENT;
+				goto error;
+			}
+			/*
+			 * setup the mapping between the irq and the IRTE
+			 * base index, the sub_handle pointing to the
+			 * appropriate interrupt remap table entry.
+			 */
+			set_irte_irq(irq, iommu, index, sub_handle);
+		}
+no_ir:
+#endif
+		ret = setup_msi_irq(dev, desc, irq);
+		if (ret < 0)
+			goto error;
+		sub_handle++;
+	}
+	return 0;
 
 error:
-        destroy_irq(irq);
-        return ret;
+	destroy_irq(irq);
+	return ret;
 }
 
-
 void arch_teardown_msi_irq(unsigned int irq)
 {
 	destroy_irq(irq);
 }
 
-#endif /* CONFIG_PCI_MSI */
+#ifdef CONFIG_DMAR
+#ifdef CONFIG_SMP
+static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
+{
+	struct irq_cfg *cfg;
+	struct msi_msg msg;
+	unsigned int dest;
+	cpumask_t tmp;
+	struct irq_desc *desc;
+
+	cpus_and(tmp, mask, cpu_online_map);
+	if (cpus_empty(tmp))
+		return;
+
+	if (assign_irq_vector(irq, mask))
+		return;
+
+	cfg = irq_cfg(irq);
+	cpus_and(tmp, cfg->domain, mask);
+	dest = cpu_mask_to_apicid(tmp);
+
+	dmar_msi_read(irq, &msg);
+
+	msg.data &= ~MSI_DATA_VECTOR_MASK;
+	msg.data |= MSI_DATA_VECTOR(cfg->vector);
+	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
+	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
+
+	dmar_msi_write(irq, &msg);
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
+}
+#endif /* CONFIG_SMP */
+
+struct irq_chip dmar_msi_type = {
+	.name = "DMAR_MSI",
+	.unmask = dmar_msi_unmask,
+	.mask = dmar_msi_mask,
+	.ack = ack_apic_edge,
+#ifdef CONFIG_SMP
+	.set_affinity = dmar_msi_set_affinity,
+#endif
+	.retrigger = ioapic_retrigger_irq,
+};
+
+int arch_setup_dmar_msi(unsigned int irq)
+{
+	int ret;
+	struct msi_msg msg;
 
+	ret = msi_compose_msg(NULL, irq, &msg);
+	if (ret < 0)
+		return ret;
+	dmar_msi_write(irq, &msg);
+	set_irq_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq,
+		"edge");
+	return 0;
+}
+#endif
+
+#endif /* CONFIG_PCI_MSI */
 /*
  * Hypertransport interrupt support
  */
@@ -2938,6 +3542,7 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	struct irq_cfg *cfg;
 	unsigned int dest;
 	cpumask_t tmp;
+	struct irq_desc *desc;
 
 	cpus_and(tmp, mask, cpu_online_map);
 	if (cpus_empty(tmp))
@@ -2951,7 +3556,8 @@ static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
 	dest = cpu_mask_to_apicid(tmp);
 
 	target_ht_irq(irq, dest, cfg->vector);
-	irq_to_desc(irq)->affinity = mask;
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
 }
 #endif
 
@@ -2974,7 +3580,7 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 
 	tmp = TARGET_CPUS;
 	err = assign_irq_vector(irq, tmp);
-	if ( !err) {
+	if (!err) {
 		struct ht_irq_msg msg;
 		unsigned dest;
 
@@ -3007,11 +3613,12 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 #endif /* CONFIG_HT_IRQ */
 
 /* --------------------------------------------------------------------------
-			ACPI-based IOAPIC Configuration
+                          ACPI-based IOAPIC Configuration
    -------------------------------------------------------------------------- */
 
 #ifdef CONFIG_ACPI
 
+#ifdef CONFIG_X86_32
 int __init io_apic_get_unique_id(int ioapic, int apic_id)
 {
 	union IO_APIC_reg_00 reg_00;
@@ -3086,7 +3693,6 @@ int __init io_apic_get_unique_id(int ioapic, int apic_id)
 	return apic_id;
 }
 
-
 int __init io_apic_get_version(int ioapic)
 {
 	union IO_APIC_reg_01	reg_01;
@@ -3098,9 +3704,9 @@ int __init io_apic_get_version(int ioapic)
 
 	return reg_01.bits.version;
 }
+#endif
 
-
-int __init io_apic_get_redir_entries(int ioapic)
+int __init io_apic_get_redir_entries (int ioapic)
 {
 	union IO_APIC_reg_01	reg_01;
 	unsigned long flags;
@@ -3113,10 +3719,10 @@ int __init io_apic_get_redir_entries(int ioapic)
 }
 
 
-int io_apic_set_pci_routing(int ioapic, int pin, int irq, int triggering, int polarity)
+int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity)
 {
 	if (!IO_APIC_IRQ(irq)) {
-		printk(KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n",
+		apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n",
 			ioapic);
 		return -EINVAL;
 	}
@@ -3132,6 +3738,7 @@ int io_apic_set_pci_routing(int ioapic, int pin, int irq, int triggering, int po
 	return 0;
 }
 
+
 int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
 {
 	int i;
@@ -3163,7 +3770,6 @@ void __init setup_ioapic_dest(void)
 {
 	int pin, ioapic, irq, irq_entry;
 	struct irq_cfg *cfg;
-	struct irq_desc *desc;
 
 	if (skip_ioapic_setup == 1)
 		return;
@@ -3184,43 +3790,124 @@ void __init setup_ioapic_dest(void)
 				setup_IO_APIC_irq(ioapic, pin, irq,
 						  irq_trigger(irq_entry),
 						  irq_polarity(irq_entry));
-			else {
-				desc = irq_to_desc(irq);
+#ifdef CONFIG_INTR_REMAP
+			else if (intr_remapping_enabled)
+				set_ir_ioapic_affinity_irq(irq, TARGET_CPUS);
+#endif
+			else
 				set_ioapic_affinity_irq(irq, TARGET_CPUS);
-			}
 		}
 
 	}
 }
 #endif
 
+#ifdef CONFIG_X86_64
+#define IOAPIC_RESOURCE_NAME_SIZE 11
+
+static struct resource *ioapic_resources;
+
+static struct resource * __init ioapic_setup_resources(void)
+{
+	unsigned long n;
+	struct resource *res;
+	char *mem;
+	int i;
+
+	if (nr_ioapics <= 0)
+		return NULL;
+
+	n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource);
+	n *= nr_ioapics;
+
+	mem = alloc_bootmem(n);
+	res = (void *)mem;
+
+	if (mem != NULL) {
+		mem += sizeof(struct resource) * nr_ioapics;
+
+		for (i = 0; i < nr_ioapics; i++) {
+			res[i].name = mem;
+			res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+			sprintf(mem,  "IOAPIC %u", i);
+			mem += IOAPIC_RESOURCE_NAME_SIZE;
+		}
+	}
+
+	ioapic_resources = res;
+
+	return res;
+}
+#endif
+
 void __init ioapic_init_mappings(void)
 {
 	unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
 	int i;
+#ifdef CONFIG_X86_64
+	struct resource *ioapic_res;
 
+	ioapic_res = ioapic_setup_resources();
+#endif
 	for (i = 0; i < nr_ioapics; i++) {
 		if (smp_found_config) {
 			ioapic_phys = mp_ioapics[i].mp_apicaddr;
-			if (!ioapic_phys) {
-				printk(KERN_ERR
-				       "WARNING: bogus zero IO-APIC "
-				       "address found in MPTABLE, "
-				       "disabling IO/APIC support!\n");
-				smp_found_config = 0;
-				skip_ioapic_setup = 1;
-				goto fake_ioapic_page;
-			}
+#ifdef CONFIG_X86_32
+                        if (!ioapic_phys) {
+                                printk(KERN_ERR
+                                       "WARNING: bogus zero IO-APIC "
+                                       "address found in MPTABLE, "
+                                       "disabling IO/APIC support!\n");
+                                smp_found_config = 0;
+                                skip_ioapic_setup = 1;
+                                goto fake_ioapic_page;
+                        }
+#endif
 		} else {
+#ifdef CONFIG_X86_32
 fake_ioapic_page:
+#endif
 			ioapic_phys = (unsigned long)
-				      alloc_bootmem_pages(PAGE_SIZE);
+				alloc_bootmem_pages(PAGE_SIZE);
 			ioapic_phys = __pa(ioapic_phys);
 		}
 		set_fixmap_nocache(idx, ioapic_phys);
-		printk(KERN_DEBUG "mapped IOAPIC to %08lx (%08lx)\n",
-		       __fix_to_virt(idx), ioapic_phys);
+		apic_printk(APIC_VERBOSE,
+			    "mapped IOAPIC to %08lx (%08lx)\n",
+			    __fix_to_virt(idx), ioapic_phys);
 		idx++;
+
+#ifdef CONFIG_X86_64
+		if (ioapic_res != NULL) {
+			ioapic_res->start = ioapic_phys;
+			ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
+			ioapic_res++;
+		}
+#endif
 	}
 }
 
+#ifdef CONFIG_X86_64
+static int __init ioapic_insert_resources(void)
+{
+	int i;
+	struct resource *r = ioapic_resources;
+
+	if (!r) {
+		printk(KERN_ERR
+		       "IO APIC resources could be not be allocated.\n");
+		return -1;
+	}
+
+	for (i = 0; i < nr_ioapics; i++) {
+		insert_resource(&iomem_resource, r);
+		r++;
+	}
+
+	return 0;
+}
+
+/* Insert the IO APIC resources after PCI initialization has occured to handle
+ * IO APICS that are mapped in on a BAR in PCI space. */
+late_initcall(ioapic_insert_resources);
+#endif
-- 
GitLab


From 26d347c2c035b1f4c5b3c5094f3046db9ec920f5 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:42 -0700
Subject: [PATCH 0683/2224] rename io_apic_64.c and io_apic_32.c to io_apic.c

The two files are now line by line equal. (sans a printk)

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/Makefile                    |    2 +-
 arch/x86/kernel/{io_apic_32.c => io_apic.c} |    0
 arch/x86/kernel/io_apic_64.c                | 3913 -------------------
 3 files changed, 1 insertion(+), 3914 deletions(-)
 rename arch/x86/kernel/{io_apic_32.c => io_apic.c} (100%)
 delete mode 100644 arch/x86/kernel/io_apic_64.c

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 0d41f0343dc..7264f9c3af8 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -61,7 +61,7 @@ obj-$(CONFIG_X86_64_SMP)	+= tsc_sync.o smpcommon.o
 obj-$(CONFIG_X86_TRAMPOLINE)	+= trampoline_$(BITS).o
 obj-$(CONFIG_X86_MPPARSE)	+= mpparse.o
 obj-$(CONFIG_X86_LOCAL_APIC)	+= apic_$(BITS).o nmi.o
-obj-$(CONFIG_X86_IO_APIC)	+= io_apic_$(BITS).o
+obj-$(CONFIG_X86_IO_APIC)	+= io_apic.o
 obj-$(CONFIG_X86_REBOOTFIXUPS)	+= reboot_fixups_32.o
 obj-$(CONFIG_DYNAMIC_FTRACE)	+= ftrace.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec_$(BITS).o
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic.c
similarity index 100%
rename from arch/x86/kernel/io_apic_32.c
rename to arch/x86/kernel/io_apic.c
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
deleted file mode 100644
index 940c4167b32..00000000000
--- a/arch/x86/kernel/io_apic_64.c
+++ /dev/null
@@ -1,3913 +0,0 @@
-/*
- *	Intel IO-APIC support for multi-Pentium hosts.
- *
- *	Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar, Hajnalka Szabo
- *
- *	Many thanks to Stig Venaas for trying out countless experimental
- *	patches and reporting/debugging problems patiently!
- *
- *	(c) 1999, Multiple IO-APIC support, developed by
- *	Ken-ichi Yaku <yaku@css1.kbnes.nec.co.jp> and
- *      Hidemi Kishimoto <kisimoto@css1.kbnes.nec.co.jp>,
- *	further tested and cleaned up by Zach Brown <zab@redhat.com>
- *	and Ingo Molnar <mingo@redhat.com>
- *
- *	Fixes
- *	Maciej W. Rozycki	:	Bits for genuine 82489DX APICs;
- *					thanks to Eric Gilmore
- *					and Rolf G. Tews
- *					for testing these extensively
- *	Paul Diefenbaugh	:	Added full ACPI support
- */
-
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/mc146818rtc.h>
-#include <linux/compiler.h>
-#include <linux/acpi.h>
-#include <linux/module.h>
-#include <linux/sysdev.h>
-#include <linux/msi.h>
-#include <linux/htirq.h>
-#include <linux/freezer.h>
-#include <linux/kthread.h>
-#include <linux/jiffies.h>	/* time_after() */
-#ifdef CONFIG_ACPI
-#include <acpi/acpi_bus.h>
-#endif
-#include <linux/bootmem.h>
-#include <linux/dmar.h>
-
-#include <asm/idle.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/desc.h>
-#include <asm/proto.h>
-#include <asm/acpi.h>
-#include <asm/dma.h>
-#include <asm/timer.h>
-#include <asm/i8259.h>
-#include <asm/nmi.h>
-#include <asm/msidef.h>
-#include <asm/hypertransport.h>
-#include <asm/setup.h>
-#include <asm/irq_remapping.h>
-
-#include <mach_ipi.h>
-#include <mach_apic.h>
-#include <mach_apicdef.h>
-
-#define __apicdebuginit(type) static type __init
-
-/*
- *      Is the SiS APIC rmw bug present ?
- *      -1 = don't know, 0 = no, 1 = yes
- */
-int sis_apic_bug = -1;
-
-static DEFINE_SPINLOCK(ioapic_lock);
-static DEFINE_SPINLOCK(vector_lock);
-
-int first_free_entry;
-/*
- * Rough estimation of how many shared IRQs there are, can
- * be changed anytime.
- */
-int pin_map_size;
-
-/*
- * # of IRQ routing registers
- */
-int nr_ioapic_registers[MAX_IO_APICS];
-
-/* I/O APIC entries */
-struct mp_config_ioapic mp_ioapics[MAX_IO_APICS];
-int nr_ioapics;
-
-/* MP IRQ source entries */
-struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
-
-/* # of MP IRQ source entries */
-int mp_irq_entries;
-
-#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
-int mp_bus_id_to_type[MAX_MP_BUSSES];
-#endif
-
-DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
-
-int skip_ioapic_setup;
-
-static int __init parse_noapic(char *str)
-{
-	/* disable IO-APIC */
-	disable_ioapic_setup();
-	return 0;
-}
-early_param("noapic", parse_noapic);
-
-struct irq_cfg;
-struct irq_pin_list;
-struct irq_cfg {
-	unsigned int irq;
-	struct irq_cfg *next;
-	struct irq_pin_list *irq_2_pin;
-	cpumask_t domain;
-	cpumask_t old_domain;
-	unsigned move_cleanup_count;
-	u8 vector;
-	u8 move_in_progress : 1;
-};
-
-/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
-static struct irq_cfg irq_cfg_legacy[] __initdata = {
-	[0]  = { .irq =  0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR,  },
-	[1]  = { .irq =  1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR,  },
-	[2]  = { .irq =  2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR,  },
-	[3]  = { .irq =  3, .domain = CPU_MASK_ALL, .vector = IRQ3_VECTOR,  },
-	[4]  = { .irq =  4, .domain = CPU_MASK_ALL, .vector = IRQ4_VECTOR,  },
-	[5]  = { .irq =  5, .domain = CPU_MASK_ALL, .vector = IRQ5_VECTOR,  },
-	[6]  = { .irq =  6, .domain = CPU_MASK_ALL, .vector = IRQ6_VECTOR,  },
-	[7]  = { .irq =  7, .domain = CPU_MASK_ALL, .vector = IRQ7_VECTOR,  },
-	[8]  = { .irq =  8, .domain = CPU_MASK_ALL, .vector = IRQ8_VECTOR,  },
-	[9]  = { .irq =  9, .domain = CPU_MASK_ALL, .vector = IRQ9_VECTOR,  },
-	[10] = { .irq = 10, .domain = CPU_MASK_ALL, .vector = IRQ10_VECTOR, },
-	[11] = { .irq = 11, .domain = CPU_MASK_ALL, .vector = IRQ11_VECTOR, },
-	[12] = { .irq = 12, .domain = CPU_MASK_ALL, .vector = IRQ12_VECTOR, },
-	[13] = { .irq = 13, .domain = CPU_MASK_ALL, .vector = IRQ13_VECTOR, },
-	[14] = { .irq = 14, .domain = CPU_MASK_ALL, .vector = IRQ14_VECTOR, },
-	[15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, },
-};
-
-static struct irq_cfg irq_cfg_init = { .irq =  -1U, };
-/* need to be biger than size of irq_cfg_legacy */
-static int nr_irq_cfg = 32;
-
-static int __init parse_nr_irq_cfg(char *arg)
-{
-	if (arg) {
-		nr_irq_cfg = simple_strtoul(arg, NULL, 0);
-		if (nr_irq_cfg < 32)
-			nr_irq_cfg = 32;
-	}
-	return 0;
-}
-
-early_param("nr_irq_cfg", parse_nr_irq_cfg);
-
-static void init_one_irq_cfg(struct irq_cfg *cfg)
-{
-	memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg));
-}
-
-static struct irq_cfg *irq_cfgx;
-static struct irq_cfg *irq_cfgx_free;
-static void __init init_work(void *data)
-{
-	struct dyn_array *da = data;
-	struct irq_cfg *cfg;
-	int legacy_count;
-	int i;
-
-	cfg = *da->name;
-
-	memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
-
-	legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
-	for (i = legacy_count; i < *da->nr; i++)
-		init_one_irq_cfg(&cfg[i]);
-
-	for (i = 1; i < *da->nr; i++)
-		cfg[i-1].next = &cfg[i];
-
-	irq_cfgx_free = &irq_cfgx[legacy_count];
-	irq_cfgx[legacy_count - 1].next = NULL;
-}
-
-#define for_each_irq_cfg(cfg)		\
-	for (cfg = irq_cfgx; cfg; cfg = cfg->next)
-
-DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
-
-static struct irq_cfg *irq_cfg(unsigned int irq)
-{
-	struct irq_cfg *cfg;
-
-	cfg = irq_cfgx;
-	while (cfg) {
-		if (cfg->irq == irq)
-			return cfg;
-
-		cfg = cfg->next;
-	}
-
-	return NULL;
-}
-
-static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
-{
-	struct irq_cfg *cfg, *cfg_pri;
-	int i;
-	int count = 0;
-
-	cfg_pri = cfg = irq_cfgx;
-	while (cfg) {
-		if (cfg->irq == irq)
-			return cfg;
-
-		cfg_pri = cfg;
-		cfg = cfg->next;
-		count++;
-	}
-
-	if (!irq_cfgx_free) {
-		unsigned long phys;
-		unsigned long total_bytes;
-		/*
-		 *  we run out of pre-allocate ones, allocate more
-		 */
-		printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg);
-
-		total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg;
-		if (after_bootmem)
-			cfg = kzalloc(total_bytes, GFP_ATOMIC);
-		else
-			cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
-
-		if (!cfg)
-			panic("please boot with nr_irq_cfg= %d\n", count * 2);
-
-		phys = __pa(cfg);
-		printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
-
-		for (i = 0; i < nr_irq_cfg; i++)
-			init_one_irq_cfg(&cfg[i]);
-
-		for (i = 1; i < nr_irq_cfg; i++)
-			cfg[i-1].next = &cfg[i];
-
-		irq_cfgx_free = cfg;
-	}
-
-	cfg = irq_cfgx_free;
-	irq_cfgx_free = irq_cfgx_free->next;
-	cfg->next = NULL;
-	if (cfg_pri)
-		cfg_pri->next = cfg;
-	else
-		irq_cfgx = cfg;
-	cfg->irq = irq;
-	printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq);
-#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
-	{
-		/* dump the results */
-		struct irq_cfg *cfg;
-		unsigned long phys;
-		unsigned long bytes = sizeof(struct irq_cfg);
-
-		printk(KERN_DEBUG "=========================== %d\n", irq);
-		printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq);
-		for_each_irq_cfg(cfg) {
-			phys = __pa(cfg);
-			printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes);
-		}
-		printk(KERN_DEBUG "===========================\n");
-	}
-#endif
-	return cfg;
-}
-
-/*
- * This is performance-critical, we want to do it O(1)
- *
- * the indexing order of this array favors 1:1 mappings
- * between pins and IRQs.
- */
-
-struct irq_pin_list {
-	int apic, pin;
-	struct irq_pin_list *next;
-};
-
-static struct irq_pin_list *irq_2_pin_head;
-/* fill one page ? */
-static int nr_irq_2_pin = 0x100;
-static struct irq_pin_list *irq_2_pin_ptr;
-static void __init irq_2_pin_init_work(void *data)
-{
-	struct dyn_array *da = data;
-	struct irq_pin_list *pin;
-	int i;
-
-	pin = *da->name;
-
-	for (i = 1; i < *da->nr; i++)
-		pin[i-1].next = &pin[i];
-
-	irq_2_pin_ptr = &pin[0];
-}
-DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work);
-
-static struct irq_pin_list *get_one_free_irq_2_pin(void)
-{
-	struct irq_pin_list *pin;
-	int i;
-
-	pin = irq_2_pin_ptr;
-
-	if (pin) {
-		irq_2_pin_ptr = pin->next;
-		pin->next = NULL;
-		return pin;
-	}
-
-	/*
-	 *  we run out of pre-allocate ones, allocate more
-	 */
-	printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin);
-
-	if (after_bootmem)
-		pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin,
-				 GFP_ATOMIC);
-	else
-		pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) *
-				nr_irq_2_pin, PAGE_SIZE, 0);
-
-	if (!pin)
-		panic("can not get more irq_2_pin\n");
-
-	for (i = 1; i < nr_irq_2_pin; i++)
-		pin[i-1].next = &pin[i];
-
-	irq_2_pin_ptr = pin->next;
-	pin->next = NULL;
-
-	return pin;
-}
-
-struct io_apic {
-	unsigned int index;
-	unsigned int unused[3];
-	unsigned int data;
-};
-
-static __attribute_const__ struct io_apic __iomem *io_apic_base(int idx)
-{
-	return (void __iomem *) __fix_to_virt(FIX_IO_APIC_BASE_0 + idx)
-		+ (mp_ioapics[idx].mp_apicaddr & ~PAGE_MASK);
-}
-
-static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
-{
-	struct io_apic __iomem *io_apic = io_apic_base(apic);
-	writel(reg, &io_apic->index);
-	return readl(&io_apic->data);
-}
-
-static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value)
-{
-	struct io_apic __iomem *io_apic = io_apic_base(apic);
-	writel(reg, &io_apic->index);
-	writel(value, &io_apic->data);
-}
-
-/*
- * Re-write a value: to be used for read-modify-write
- * cycles where the read already set up the index register.
- *
- * Older SiS APIC requires we rewrite the index register
- */
-static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
-{
-	struct io_apic __iomem *io_apic = io_apic_base(apic);
-        if (sis_apic_bug)
-                writel(reg, &io_apic->index);
-	writel(value, &io_apic->data);
-}
-
-#ifdef CONFIG_X86_64
-static bool io_apic_level_ack_pending(unsigned int irq)
-{
-	struct irq_pin_list *entry;
-	unsigned long flags;
-	struct irq_cfg *cfg = irq_cfg(irq);
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	entry = cfg->irq_2_pin;
-	for (;;) {
-		unsigned int reg;
-		int pin;
-
-		if (!entry)
-			break;
-		pin = entry->pin;
-		reg = io_apic_read(entry->apic, 0x10 + pin*2);
-		/* Is the remote IRR bit set? */
-		if (reg & IO_APIC_REDIR_REMOTE_IRR) {
-			spin_unlock_irqrestore(&ioapic_lock, flags);
-			return true;
-		}
-		if (!entry->next)
-			break;
-		entry = entry->next;
-	}
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	return false;
-}
-#endif
-
-union entry_union {
-	struct { u32 w1, w2; };
-	struct IO_APIC_route_entry entry;
-};
-
-static struct IO_APIC_route_entry ioapic_read_entry(int apic, int pin)
-{
-	union entry_union eu;
-	unsigned long flags;
-	spin_lock_irqsave(&ioapic_lock, flags);
-	eu.w1 = io_apic_read(apic, 0x10 + 2 * pin);
-	eu.w2 = io_apic_read(apic, 0x11 + 2 * pin);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-	return eu.entry;
-}
-
-/*
- * When we write a new IO APIC routing entry, we need to write the high
- * word first! If the mask bit in the low word is clear, we will enable
- * the interrupt, and we need to make sure the entry is fully populated
- * before that happens.
- */
-static void
-__ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e)
-{
-	union entry_union eu;
-	eu.entry = e;
-	io_apic_write(apic, 0x11 + 2*pin, eu.w2);
-	io_apic_write(apic, 0x10 + 2*pin, eu.w1);
-}
-
-static void ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e)
-{
-	unsigned long flags;
-	spin_lock_irqsave(&ioapic_lock, flags);
-	__ioapic_write_entry(apic, pin, e);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-}
-
-/*
- * When we mask an IO APIC routing entry, we need to write the low
- * word first, in order to set the mask bit before we change the
- * high bits!
- */
-static void ioapic_mask_entry(int apic, int pin)
-{
-	unsigned long flags;
-	union entry_union eu = { .entry.mask = 1 };
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(apic, 0x10 + 2*pin, eu.w1);
-	io_apic_write(apic, 0x11 + 2*pin, eu.w2);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-}
-
-#ifdef CONFIG_SMP
-static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, u8 vector)
-{
-	int apic, pin;
-	struct irq_cfg *cfg;
-	struct irq_pin_list *entry;
-
-	cfg = irq_cfg(irq);
-	entry = cfg->irq_2_pin;
-	for (;;) {
-		unsigned int reg;
-
-		if (!entry)
-			break;
-
-		apic = entry->apic;
-		pin = entry->pin;
-#ifdef CONFIG_INTR_REMAP
-		/*
-		 * With interrupt-remapping, destination information comes
-		 * from interrupt-remapping table entry.
-		 */
-		if (!irq_remapped(irq))
-			io_apic_write(apic, 0x11 + pin*2, dest);
-#else
-		io_apic_write(apic, 0x11 + pin*2, dest);
-#endif
-		reg = io_apic_read(apic, 0x10 + pin*2);
-		reg &= ~IO_APIC_REDIR_VECTOR_MASK;
-		reg |= vector;
-		io_apic_modify(apic, 0x10 + pin*2, reg);
-		if (!entry->next)
-			break;
-		entry = entry->next;
-	}
-}
-
-static int assign_irq_vector(int irq, cpumask_t mask);
-
-static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
-{
-	struct irq_cfg *cfg;
-	unsigned long flags;
-	unsigned int dest;
-	cpumask_t tmp;
-	struct irq_desc *desc;
-
-	cpus_and(tmp, mask, cpu_online_map);
-	if (cpus_empty(tmp))
-		return;
-
-	cfg = irq_cfg(irq);
-	if (assign_irq_vector(irq, mask))
-		return;
-
-	cpus_and(tmp, cfg->domain, mask);
-	dest = cpu_mask_to_apicid(tmp);
-	/*
-	 * Only the high 8 bits are valid.
-	 */
-	dest = SET_APIC_LOGICAL_ID(dest);
-
-	desc = irq_to_desc(irq);
-	spin_lock_irqsave(&ioapic_lock, flags);
-	__target_IO_APIC_irq(irq, dest, cfg->vector);
-	desc->affinity = mask;
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-}
-#endif /* CONFIG_SMP */
-
-/*
- * The common case is 1:1 IRQ<->pin mappings. Sometimes there are
- * shared ISA-space IRQs, so we have to support them. We are super
- * fast in the common case, and fast for shared ISA-space IRQs.
- */
-static void add_pin_to_irq(unsigned int irq, int apic, int pin)
-{
-	struct irq_cfg *cfg;
-	struct irq_pin_list *entry;
-
-	/* first time to refer irq_cfg, so with new */
-	cfg = irq_cfg_alloc(irq);
-	entry = cfg->irq_2_pin;
-	if (!entry) {
-		entry = get_one_free_irq_2_pin();
-		cfg->irq_2_pin = entry;
-		entry->apic = apic;
-		entry->pin = pin;
-		printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
-		return;
-	}
-
-	while (entry->next) {
-		/* not again, please */
-		if (entry->apic == apic && entry->pin == pin)
-			return;
-
-		entry = entry->next;
-	}
-
-	entry->next = get_one_free_irq_2_pin();
-	entry = entry->next;
-	entry->apic = apic;
-	entry->pin = pin;
-	printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
-}
-
-/*
- * Reroute an IRQ to a different pin.
- */
-static void __init replace_pin_at_irq(unsigned int irq,
-				      int oldapic, int oldpin,
-				      int newapic, int newpin)
-{
-	struct irq_cfg *cfg = irq_cfg(irq);
-	struct irq_pin_list *entry = cfg->irq_2_pin;
-	int replaced = 0;
-
-	while (entry) {
-		if (entry->apic == oldapic && entry->pin == oldpin) {
-			entry->apic = newapic;
-			entry->pin = newpin;
-			replaced = 1;
-			/* every one is different, right? */
-			break;
-		}
-		entry = entry->next;
-	}
-
-	/* why? call replace before add? */
-	if (!replaced)
-		add_pin_to_irq(irq, newapic, newpin);
-}
-
-#ifdef CONFIG_X86_64
-/*
- * Synchronize the IO-APIC and the CPU by doing
- * a dummy read from the IO-APIC
- */
-static inline void io_apic_sync(unsigned int apic)
-{
-	struct io_apic __iomem *io_apic = io_apic_base(apic);
-	readl(&io_apic->data);
-}
-
-#define __DO_ACTION(R, ACTION, FINAL)					\
-									\
-{									\
-	int pin;							\
-	struct irq_cfg *cfg;						\
-	struct irq_pin_list *entry;					\
-									\
-	cfg = irq_cfg(irq);						\
-	entry = cfg->irq_2_pin;						\
-	for (;;) {							\
-		unsigned int reg;					\
-		if (!entry)						\
-			break;						\
-		pin = entry->pin;					\
-		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
-		reg ACTION;						\
-		io_apic_modify(entry->apic, 0x10 + R + pin*2, reg);	\
-		FINAL;							\
-		if (!entry->next)					\
-			break;						\
-		entry = entry->next;					\
-	}								\
-}
-
-#define DO_ACTION(name,R,ACTION, FINAL)					\
-									\
-	static void name##_IO_APIC_irq (unsigned int irq)		\
-	__DO_ACTION(R, ACTION, FINAL)
-
-/* mask = 1 */
-DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic))
-
-/* mask = 0 */
-DO_ACTION(__unmask,	0, &= ~IO_APIC_REDIR_MASKED, )
-
-#else
-
-static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable)
-{
-	struct irq_cfg *cfg;
-	struct irq_pin_list *entry;
-	unsigned int pin, reg;
-
-	cfg = irq_cfg(irq);
-	entry = cfg->irq_2_pin;
-	for (;;) {
-		if (!entry)
-			break;
-		pin = entry->pin;
-		reg = io_apic_read(entry->apic, 0x10 + pin*2);
-		reg &= ~disable;
-		reg |= enable;
-		io_apic_modify(entry->apic, 0x10 + pin*2, reg);
-		if (!entry->next)
-			break;
-		entry = entry->next;
-	}
-}
-
-/* mask = 1 */
-static void __mask_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, 0);
-}
-
-/* mask = 0 */
-static void __unmask_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, 0, IO_APIC_REDIR_MASKED);
-}
-
-/* mask = 1, trigger = 0 */
-static void __mask_and_edge_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED,
-				IO_APIC_REDIR_LEVEL_TRIGGER);
-}
-
-/* mask = 0, trigger = 1 */
-static void __unmask_and_level_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_LEVEL_TRIGGER,
-				IO_APIC_REDIR_MASKED);
-}
-
-#endif
-
-static void mask_IO_APIC_irq (unsigned int irq)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	__mask_IO_APIC_irq(irq);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-}
-
-static void unmask_IO_APIC_irq (unsigned int irq)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	__unmask_IO_APIC_irq(irq);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-}
-
-static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
-{
-	struct IO_APIC_route_entry entry;
-
-	/* Check delivery_mode to be sure we're not clearing an SMI pin */
-	entry = ioapic_read_entry(apic, pin);
-	if (entry.delivery_mode == dest_SMI)
-		return;
-	/*
-	 * Disable it in the IO-APIC irq-routing table:
-	 */
-	ioapic_mask_entry(apic, pin);
-}
-
-static void clear_IO_APIC (void)
-{
-	int apic, pin;
-
-	for (apic = 0; apic < nr_ioapics; apic++)
-		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++)
-			clear_IO_APIC_pin(apic, pin);
-}
-
-#if !defined(CONFIG_SMP) && defined(CONFIG_X86_32)
-void send_IPI_self(int vector)
-{
-	unsigned int cfg;
-
-	/*
-	 * Wait for idle.
-	 */
-	apic_wait_icr_idle();
-	cfg = APIC_DM_FIXED | APIC_DEST_SELF | vector | APIC_DEST_LOGICAL;
-	/*
-	 * Send the IPI. The write to APIC_ICR fires this off.
-	 */
-	apic_write(APIC_ICR, cfg);
-}
-#endif /* !CONFIG_SMP && CONFIG_X86_32*/
-
-#ifdef CONFIG_X86_32
-/*
- * support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to
- * specific CPU-side IRQs.
- */
-
-#define MAX_PIRQS 8
-static int pirq_entries [MAX_PIRQS];
-static int pirqs_enabled;
-
-static int __init ioapic_pirq_setup(char *str)
-{
-	int i, max;
-	int ints[MAX_PIRQS+1];
-
-	get_options(str, ARRAY_SIZE(ints), ints);
-
-	for (i = 0; i < MAX_PIRQS; i++)
-		pirq_entries[i] = -1;
-
-	pirqs_enabled = 1;
-	apic_printk(APIC_VERBOSE, KERN_INFO
-			"PIRQ redirection, working around broken MP-BIOS.\n");
-	max = MAX_PIRQS;
-	if (ints[0] < MAX_PIRQS)
-		max = ints[0];
-
-	for (i = 0; i < max; i++) {
-		apic_printk(APIC_VERBOSE, KERN_DEBUG
-				"... PIRQ%d -> IRQ %d\n", i, ints[i+1]);
-		/*
-		 * PIRQs are mapped upside down, usually.
-		 */
-		pirq_entries[MAX_PIRQS-i-1] = ints[i+1];
-	}
-	return 1;
-}
-
-__setup("pirq=", ioapic_pirq_setup);
-#endif /* CONFIG_X86_32 */
-
-#ifdef CONFIG_INTR_REMAP
-/* I/O APIC RTE contents at the OS boot up */
-static struct IO_APIC_route_entry *early_ioapic_entries[MAX_IO_APICS];
-
-/*
- * Saves and masks all the unmasked IO-APIC RTE's
- */
-int save_mask_IO_APIC_setup(void)
-{
-	union IO_APIC_reg_01 reg_01;
-	unsigned long flags;
-	int apic, pin;
-
-	/*
-	 * The number of IO-APIC IRQ registers (== #pins):
-	 */
-	for (apic = 0; apic < nr_ioapics; apic++) {
-		spin_lock_irqsave(&ioapic_lock, flags);
-		reg_01.raw = io_apic_read(apic, 1);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-		nr_ioapic_registers[apic] = reg_01.bits.entries+1;
-	}
-
-	for (apic = 0; apic < nr_ioapics; apic++) {
-		early_ioapic_entries[apic] =
-			kzalloc(sizeof(struct IO_APIC_route_entry) *
-				nr_ioapic_registers[apic], GFP_KERNEL);
-		if (!early_ioapic_entries[apic])
-			return -ENOMEM;
-	}
-
-	for (apic = 0; apic < nr_ioapics; apic++)
-		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-			struct IO_APIC_route_entry entry;
-
-			entry = early_ioapic_entries[apic][pin] =
-				ioapic_read_entry(apic, pin);
-			if (!entry.mask) {
-				entry.mask = 1;
-				ioapic_write_entry(apic, pin, entry);
-			}
-		}
-	return 0;
-}
-
-void restore_IO_APIC_setup(void)
-{
-	int apic, pin;
-
-	for (apic = 0; apic < nr_ioapics; apic++)
-		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++)
-			ioapic_write_entry(apic, pin,
-					   early_ioapic_entries[apic][pin]);
-}
-
-void reinit_intr_remapped_IO_APIC(int intr_remapping)
-{
-	/*
-	 * for now plain restore of previous settings.
-	 * TBD: In the case of OS enabling interrupt-remapping,
-	 * IO-APIC RTE's need to be setup to point to interrupt-remapping
-	 * table entries. for now, do a plain restore, and wait for
-	 * the setup_IO_APIC_irqs() to do proper initialization.
-	 */
-	restore_IO_APIC_setup();
-}
-#endif
-
-/*
- * Find the IRQ entry number of a certain pin.
- */
-static int find_irq_entry(int apic, int pin, int type)
-{
-	int i;
-
-	for (i = 0; i < mp_irq_entries; i++)
-		if (mp_irqs[i].mp_irqtype == type &&
-		    (mp_irqs[i].mp_dstapic == mp_ioapics[apic].mp_apicid ||
-		     mp_irqs[i].mp_dstapic == MP_APIC_ALL) &&
-		    mp_irqs[i].mp_dstirq == pin)
-			return i;
-
-	return -1;
-}
-
-/*
- * Find the pin to which IRQ[irq] (ISA) is connected
- */
-static int __init find_isa_irq_pin(int irq, int type)
-{
-	int i;
-
-	for (i = 0; i < mp_irq_entries; i++) {
-		int lbus = mp_irqs[i].mp_srcbus;
-
-		if (test_bit(lbus, mp_bus_not_pci) &&
-		    (mp_irqs[i].mp_irqtype == type) &&
-		    (mp_irqs[i].mp_srcbusirq == irq))
-
-			return mp_irqs[i].mp_dstirq;
-	}
-	return -1;
-}
-
-static int __init find_isa_irq_apic(int irq, int type)
-{
-	int i;
-
-	for (i = 0; i < mp_irq_entries; i++) {
-		int lbus = mp_irqs[i].mp_srcbus;
-
-		if (test_bit(lbus, mp_bus_not_pci) &&
-		    (mp_irqs[i].mp_irqtype == type) &&
-		    (mp_irqs[i].mp_srcbusirq == irq))
-			break;
-	}
-	if (i < mp_irq_entries) {
-		int apic;
-		for(apic = 0; apic < nr_ioapics; apic++) {
-			if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic)
-				return apic;
-		}
-	}
-
-	return -1;
-}
-
-/*
- * Find a specific PCI IRQ entry.
- * Not an __init, possibly needed by modules
- */
-static int pin_2_irq(int idx, int apic, int pin);
-
-int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
-{
-	int apic, i, best_guess = -1;
-
-	apic_printk(APIC_DEBUG, "querying PCI -> IRQ mapping bus:%d, slot:%d, pin:%d.\n",
-		bus, slot, pin);
-	if (test_bit(bus, mp_bus_not_pci)) {
-		apic_printk(APIC_VERBOSE, "PCI BIOS passed nonexistent PCI bus %d!\n", bus);
-		return -1;
-	}
-	for (i = 0; i < mp_irq_entries; i++) {
-		int lbus = mp_irqs[i].mp_srcbus;
-
-		for (apic = 0; apic < nr_ioapics; apic++)
-			if (mp_ioapics[apic].mp_apicid == mp_irqs[i].mp_dstapic ||
-			    mp_irqs[i].mp_dstapic == MP_APIC_ALL)
-				break;
-
-		if (!test_bit(lbus, mp_bus_not_pci) &&
-		    !mp_irqs[i].mp_irqtype &&
-		    (bus == lbus) &&
-		    (slot == ((mp_irqs[i].mp_srcbusirq >> 2) & 0x1f))) {
-			int irq = pin_2_irq(i,apic,mp_irqs[i].mp_dstirq);
-
-			if (!(apic || IO_APIC_IRQ(irq)))
-				continue;
-
-			if (pin == (mp_irqs[i].mp_srcbusirq & 3))
-				return irq;
-			/*
-			 * Use the first all-but-pin matching entry as a
-			 * best-guess fuzzy result for broken mptables.
-			 */
-			if (best_guess < 0)
-				best_guess = irq;
-		}
-	}
-	return best_guess;
-}
-
-EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector);
-
-#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
-/*
- * EISA Edge/Level control register, ELCR
- */
-static int EISA_ELCR(unsigned int irq)
-{
-	if (irq < 16) {
-		unsigned int port = 0x4d0 + (irq >> 3);
-		return (inb(port) >> (irq & 7)) & 1;
-	}
-	apic_printk(APIC_VERBOSE, KERN_INFO
-			"Broken MPtable reports ISA irq %d\n", irq);
-	return 0;
-}
-
-#endif
-
-/* ISA interrupts are always polarity zero edge triggered,
- * when listed as conforming in the MP table. */
-
-#define default_ISA_trigger(idx)	(0)
-#define default_ISA_polarity(idx)	(0)
-
-/* EISA interrupts are always polarity zero and can be edge or level
- * trigger depending on the ELCR value.  If an interrupt is listed as
- * EISA conforming in the MP table, that means its trigger type must
- * be read in from the ELCR */
-
-#define default_EISA_trigger(idx)	(EISA_ELCR(mp_irqs[idx].mp_srcbusirq))
-#define default_EISA_polarity(idx)	default_ISA_polarity(idx)
-
-/* PCI interrupts are always polarity one level triggered,
- * when listed as conforming in the MP table. */
-
-#define default_PCI_trigger(idx)	(1)
-#define default_PCI_polarity(idx)	(1)
-
-/* MCA interrupts are always polarity zero level triggered,
- * when listed as conforming in the MP table. */
-
-#define default_MCA_trigger(idx)	(1)
-#define default_MCA_polarity(idx)	default_ISA_polarity(idx)
-
-static int MPBIOS_polarity(int idx)
-{
-	int bus = mp_irqs[idx].mp_srcbus;
-	int polarity;
-
-	/*
-	 * Determine IRQ line polarity (high active or low active):
-	 */
-	switch (mp_irqs[idx].mp_irqflag & 3)
-	{
-		case 0: /* conforms, ie. bus-type dependent polarity */
-			if (test_bit(bus, mp_bus_not_pci))
-				polarity = default_ISA_polarity(idx);
-			else
-				polarity = default_PCI_polarity(idx);
-			break;
-		case 1: /* high active */
-		{
-			polarity = 0;
-			break;
-		}
-		case 2: /* reserved */
-		{
-			printk(KERN_WARNING "broken BIOS!!\n");
-			polarity = 1;
-			break;
-		}
-		case 3: /* low active */
-		{
-			polarity = 1;
-			break;
-		}
-		default: /* invalid */
-		{
-			printk(KERN_WARNING "broken BIOS!!\n");
-			polarity = 1;
-			break;
-		}
-	}
-	return polarity;
-}
-
-static int MPBIOS_trigger(int idx)
-{
-	int bus = mp_irqs[idx].mp_srcbus;
-	int trigger;
-
-	/*
-	 * Determine IRQ trigger mode (edge or level sensitive):
-	 */
-	switch ((mp_irqs[idx].mp_irqflag>>2) & 3)
-	{
-		case 0: /* conforms, ie. bus-type dependent */
-			if (test_bit(bus, mp_bus_not_pci))
-				trigger = default_ISA_trigger(idx);
-			else
-				trigger = default_PCI_trigger(idx);
-#if defined(CONFIG_EISA) || defined(CONFIG_MCA)
-			switch (mp_bus_id_to_type[bus]) {
-				case MP_BUS_ISA: /* ISA pin */
-				{
-					/* set before the switch */
-					break;
-				}
-				case MP_BUS_EISA: /* EISA pin */
-				{
-					trigger = default_EISA_trigger(idx);
-					break;
-				}
-				case MP_BUS_PCI: /* PCI pin */
-				{
-					/* set before the switch */
-					break;
-				}
-				case MP_BUS_MCA: /* MCA pin */
-				{
-					trigger = default_MCA_trigger(idx);
-					break;
-				}
-				default:
-				{
-					printk(KERN_WARNING "broken BIOS!!\n");
-					trigger = 1;
-					break;
-				}
-			}
-#endif
-			break;
-		case 1: /* edge */
-		{
-			trigger = 0;
-			break;
-		}
-		case 2: /* reserved */
-		{
-			printk(KERN_WARNING "broken BIOS!!\n");
-			trigger = 1;
-			break;
-		}
-		case 3: /* level */
-		{
-			trigger = 1;
-			break;
-		}
-		default: /* invalid */
-		{
-			printk(KERN_WARNING "broken BIOS!!\n");
-			trigger = 0;
-			break;
-		}
-	}
-	return trigger;
-}
-
-static inline int irq_polarity(int idx)
-{
-	return MPBIOS_polarity(idx);
-}
-
-static inline int irq_trigger(int idx)
-{
-	return MPBIOS_trigger(idx);
-}
-
-int (*ioapic_renumber_irq)(int ioapic, int irq);
-static int pin_2_irq(int idx, int apic, int pin)
-{
-	int irq, i;
-	int bus = mp_irqs[idx].mp_srcbus;
-
-	/*
-	 * Debugging check, we are in big trouble if this message pops up!
-	 */
-	if (mp_irqs[idx].mp_dstirq != pin)
-		printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
-
-	if (test_bit(bus, mp_bus_not_pci)) {
-		irq = mp_irqs[idx].mp_srcbusirq;
-	} else {
-		/*
-		 * PCI IRQs are mapped in order
-		 */
-		i = irq = 0;
-		while (i < apic)
-			irq += nr_ioapic_registers[i++];
-		irq += pin;
-                /*
-                 * For MPS mode, so far only needed by ES7000 platform
-                 */
-                if (ioapic_renumber_irq)
-                        irq = ioapic_renumber_irq(apic, irq);
-	}
-
-#ifdef CONFIG_X86_32
-	/*
-	 * PCI IRQ command line redirection. Yes, limits are hardcoded.
-	 */
-	if ((pin >= 16) && (pin <= 23)) {
-		if (pirq_entries[pin-16] != -1) {
-			if (!pirq_entries[pin-16]) {
-				apic_printk(APIC_VERBOSE, KERN_DEBUG
-						"disabling PIRQ%d\n", pin-16);
-			} else {
-				irq = pirq_entries[pin-16];
-				apic_printk(APIC_VERBOSE, KERN_DEBUG
-						"using PIRQ%d -> IRQ %d\n",
-						pin-16, irq);
-			}
-		}
-	}
-#endif
-
-	return irq;
-}
-
-void lock_vector_lock(void)
-{
-	/* Used to the online set of cpus does not change
-	 * during assign_irq_vector.
-	 */
-	spin_lock(&vector_lock);
-}
-
-void unlock_vector_lock(void)
-{
-	spin_unlock(&vector_lock);
-}
-
-static int __assign_irq_vector(int irq, cpumask_t mask)
-{
-	/*
-	 * NOTE! The local APIC isn't very good at handling
-	 * multiple interrupts at the same interrupt level.
-	 * As the interrupt level is determined by taking the
-	 * vector number and shifting that right by 4, we
-	 * want to spread these out a bit so that they don't
-	 * all fall in the same interrupt level.
-	 *
-	 * Also, we've got to be careful not to trash gate
-	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
-	 */
-	static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
-	unsigned int old_vector;
-	int cpu;
-	struct irq_cfg *cfg;
-
-	cfg = irq_cfg(irq);
-
-	/* Only try and allocate irqs on cpus that are present */
-	cpus_and(mask, mask, cpu_online_map);
-
-	if ((cfg->move_in_progress) || cfg->move_cleanup_count)
-		return -EBUSY;
-
-	old_vector = cfg->vector;
-	if (old_vector) {
-		cpumask_t tmp;
-		cpus_and(tmp, cfg->domain, mask);
-		if (!cpus_empty(tmp))
-			return 0;
-	}
-
-	for_each_cpu_mask_nr(cpu, mask) {
-		cpumask_t domain, new_mask;
-		int new_cpu;
-		int vector, offset;
-
-		domain = vector_allocation_domain(cpu);
-		cpus_and(new_mask, domain, cpu_online_map);
-
-		vector = current_vector;
-		offset = current_offset;
-next:
-		vector += 8;
-		if (vector >= first_system_vector) {
-			/* If we run out of vectors on large boxen, must share them. */
-			offset = (offset + 1) % 8;
-			vector = FIRST_DEVICE_VECTOR + offset;
-		}
-		if (unlikely(current_vector == vector))
-			continue;
-#ifdef CONFIG_X86_64
-		if (vector == IA32_SYSCALL_VECTOR)
-			goto next;
-#else
-		if (vector == SYSCALL_VECTOR)
-			goto next;
-#endif
-		for_each_cpu_mask_nr(new_cpu, new_mask)
-			if (per_cpu(vector_irq, new_cpu)[vector] != -1)
-				goto next;
-		/* Found one! */
-		current_vector = vector;
-		current_offset = offset;
-		if (old_vector) {
-			cfg->move_in_progress = 1;
-			cfg->old_domain = cfg->domain;
-		}
-		for_each_cpu_mask_nr(new_cpu, new_mask)
-			per_cpu(vector_irq, new_cpu)[vector] = irq;
-		cfg->vector = vector;
-		cfg->domain = domain;
-		return 0;
-	}
-	return -ENOSPC;
-}
-
-static int assign_irq_vector(int irq, cpumask_t mask)
-{
-	int err;
-	unsigned long flags;
-
-	spin_lock_irqsave(&vector_lock, flags);
-	err = __assign_irq_vector(irq, mask);
-	spin_unlock_irqrestore(&vector_lock, flags);
-	return err;
-}
-
-static void __clear_irq_vector(int irq)
-{
-	struct irq_cfg *cfg;
-	cpumask_t mask;
-	int cpu, vector;
-
-	cfg = irq_cfg(irq);
-	BUG_ON(!cfg->vector);
-
-	vector = cfg->vector;
-	cpus_and(mask, cfg->domain, cpu_online_map);
-	for_each_cpu_mask_nr(cpu, mask)
-		per_cpu(vector_irq, cpu)[vector] = -1;
-
-	cfg->vector = 0;
-	cpus_clear(cfg->domain);
-}
-
-void __setup_vector_irq(int cpu)
-{
-	/* Initialize vector_irq on a new cpu */
-	/* This function must be called with vector_lock held */
-	int irq, vector;
-	struct irq_cfg *cfg;
-
-	/* Mark the inuse vectors */
-	for_each_irq_cfg(cfg) {
-		if (!cpu_isset(cpu, cfg->domain))
-			continue;
-		vector = cfg->vector;
-		irq = cfg->irq;
-		per_cpu(vector_irq, cpu)[vector] = irq;
-	}
-	/* Mark the free vectors */
-	for (vector = 0; vector < NR_VECTORS; ++vector) {
-		irq = per_cpu(vector_irq, cpu)[vector];
-		if (irq < 0)
-			continue;
-
-		cfg = irq_cfg(irq);
-		if (!cpu_isset(cpu, cfg->domain))
-			per_cpu(vector_irq, cpu)[vector] = -1;
-	}
-}
-
-static struct irq_chip ioapic_chip;
-#ifdef CONFIG_INTR_REMAP
-static struct irq_chip ir_ioapic_chip;
-#endif
-
-#define IOAPIC_AUTO     -1
-#define IOAPIC_EDGE     0
-#define IOAPIC_LEVEL    1
-
-#ifdef CONFIG_X86_32
-static inline int IO_APIC_irq_trigger(int irq)
-{
-        int apic, idx, pin;
-
-        for (apic = 0; apic < nr_ioapics; apic++) {
-                for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-                        idx = find_irq_entry(apic, pin, mp_INT);
-                        if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
-                                return irq_trigger(idx);
-                }
-        }
-        /*
-         * nonexistent IRQs are edge default
-         */
-        return 0;
-}
-#else
-static inline int IO_APIC_irq_trigger(int irq)
-{
-	return 1;
-}
-#endif
-
-static void ioapic_register_intr(int irq, unsigned long trigger)
-{
-	struct irq_desc *desc;
-
-	/* first time to use this irq_desc */
-	if (irq < 16)
-		desc = irq_to_desc(irq);
-	else
-		desc = irq_to_desc_alloc(irq);
-
-	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
-	    trigger == IOAPIC_LEVEL)
-		desc->status |= IRQ_LEVEL;
-	else
-		desc->status &= ~IRQ_LEVEL;
-
-#ifdef CONFIG_INTR_REMAP
-	if (irq_remapped(irq)) {
-		desc->status |= IRQ_MOVE_PCNTXT;
-		if (trigger)
-			set_irq_chip_and_handler_name(irq, &ir_ioapic_chip,
-						      handle_fasteoi_irq,
-						     "fasteoi");
-		else
-			set_irq_chip_and_handler_name(irq, &ir_ioapic_chip,
-						      handle_edge_irq, "edge");
-		return;
-	}
-#endif
-	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
-	    trigger == IOAPIC_LEVEL)
-		set_irq_chip_and_handler_name(irq, &ioapic_chip,
-					      handle_fasteoi_irq,
-					      "fasteoi");
-	else
-		set_irq_chip_and_handler_name(irq, &ioapic_chip,
-					      handle_edge_irq, "edge");
-}
-
-static int setup_ioapic_entry(int apic, int irq,
-			      struct IO_APIC_route_entry *entry,
-			      unsigned int destination, int trigger,
-			      int polarity, int vector)
-{
-	/*
-	 * add it to the IO-APIC irq-routing table:
-	 */
-	memset(entry,0,sizeof(*entry));
-
-#ifdef CONFIG_INTR_REMAP
-	if (intr_remapping_enabled) {
-		struct intel_iommu *iommu = map_ioapic_to_ir(apic);
-		struct irte irte;
-		struct IR_IO_APIC_route_entry *ir_entry =
-			(struct IR_IO_APIC_route_entry *) entry;
-		int index;
-
-		if (!iommu)
-			panic("No mapping iommu for ioapic %d\n", apic);
-
-		index = alloc_irte(iommu, irq, 1);
-		if (index < 0)
-			panic("Failed to allocate IRTE for ioapic %d\n", apic);
-
-		memset(&irte, 0, sizeof(irte));
-
-		irte.present = 1;
-		irte.dst_mode = INT_DEST_MODE;
-		irte.trigger_mode = trigger;
-		irte.dlvry_mode = INT_DELIVERY_MODE;
-		irte.vector = vector;
-		irte.dest_id = IRTE_DEST(destination);
-
-		modify_irte(irq, &irte);
-
-		ir_entry->index2 = (index >> 15) & 0x1;
-		ir_entry->zero = 0;
-		ir_entry->format = 1;
-		ir_entry->index = (index & 0x7fff);
-	} else
-#endif
-	{
-		entry->delivery_mode = INT_DELIVERY_MODE;
-		entry->dest_mode = INT_DEST_MODE;
-		entry->dest = destination;
-	}
-
-	entry->mask = 0;				/* enable IRQ */
-	entry->trigger = trigger;
-	entry->polarity = polarity;
-	entry->vector = vector;
-
-	/* Mask level triggered irqs.
-	 * Use IRQ_DELAYED_DISABLE for edge triggered irqs.
-	 */
-	if (trigger)
-		entry->mask = 1;
-	return 0;
-}
-
-static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
-			      int trigger, int polarity)
-{
-	struct irq_cfg *cfg;
-	struct IO_APIC_route_entry entry;
-	cpumask_t mask;
-
-	if (!IO_APIC_IRQ(irq))
-		return;
-
-	cfg = irq_cfg(irq);
-
-	mask = TARGET_CPUS;
-	if (assign_irq_vector(irq, mask))
-		return;
-
-	cpus_and(mask, cfg->domain, mask);
-
-	apic_printk(APIC_VERBOSE,KERN_DEBUG
-		    "IOAPIC[%d]: Set routing entry (%d-%d -> 0x%x -> "
-		    "IRQ %d Mode:%i Active:%i)\n",
-		    apic, mp_ioapics[apic].mp_apicid, pin, cfg->vector,
-		    irq, trigger, polarity);
-
-
-	if (setup_ioapic_entry(mp_ioapics[apic].mp_apicid, irq, &entry,
-			       cpu_mask_to_apicid(mask), trigger, polarity,
-			       cfg->vector)) {
-		printk("Failed to setup ioapic entry for ioapic  %d, pin %d\n",
-		       mp_ioapics[apic].mp_apicid, pin);
-		__clear_irq_vector(irq);
-		return;
-	}
-
-	ioapic_register_intr(irq, trigger);
-	if (irq < 16)
-		disable_8259A_irq(irq);
-
-	ioapic_write_entry(apic, pin, entry);
-}
-
-static void __init setup_IO_APIC_irqs(void)
-{
-	int apic, pin, idx, irq, first_notcon = 1;
-
-	apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n");
-
-	for (apic = 0; apic < nr_ioapics; apic++) {
-	for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-
-		idx = find_irq_entry(apic,pin,mp_INT);
-		if (idx == -1) {
-			if (first_notcon) {
-				apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin);
-				first_notcon = 0;
-			} else
-				apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin);
-			continue;
-		}
-		if (!first_notcon) {
-			apic_printk(APIC_VERBOSE, " not connected.\n");
-			first_notcon = 1;
-		}
-
-		irq = pin_2_irq(idx, apic, pin);
-#ifdef CONFIG_X86_32
-                if (multi_timer_check(apic, irq))
-                        continue;
-#endif
-		add_pin_to_irq(irq, apic, pin);
-
-		setup_IO_APIC_irq(apic, pin, irq,
-				  irq_trigger(idx), irq_polarity(idx));
-	}
-	}
-
-	if (!first_notcon)
-		apic_printk(APIC_VERBOSE, " not connected.\n");
-}
-
-/*
- * Set up the timer pin, possibly with the 8259A-master behind.
- */
-static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
-					int vector)
-{
-	struct IO_APIC_route_entry entry;
-
-#ifdef CONFIG_INTR_REMAP
-	if (intr_remapping_enabled)
-		return;
-#endif
-
-	memset(&entry, 0, sizeof(entry));
-
-	/*
-	 * We use logical delivery to get the timer IRQ
-	 * to the first CPU.
-	 */
-	entry.dest_mode = INT_DEST_MODE;
-	entry.mask = 1;					/* mask IRQ now */
-	entry.dest = cpu_mask_to_apicid(TARGET_CPUS);
-	entry.delivery_mode = INT_DELIVERY_MODE;
-	entry.polarity = 0;
-	entry.trigger = 0;
-	entry.vector = vector;
-
-	/*
-	 * The timer IRQ doesn't have to know that behind the
-	 * scene we may have a 8259A-master in AEOI mode ...
-	 */
-	set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge");
-
-	/*
-	 * Add it to the IO-APIC irq-routing table:
-	 */
-	ioapic_write_entry(apic, pin, entry);
-}
-
-
-__apicdebuginit(void) print_IO_APIC(void)
-{
-	int apic, i;
-	union IO_APIC_reg_00 reg_00;
-	union IO_APIC_reg_01 reg_01;
-	union IO_APIC_reg_02 reg_02;
-	union IO_APIC_reg_03 reg_03;
-	unsigned long flags;
-	struct irq_cfg *cfg;
-
-	if (apic_verbosity == APIC_QUIET)
-		return;
-
-	printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
-	for (i = 0; i < nr_ioapics; i++)
-		printk(KERN_DEBUG "number of IO-APIC #%d registers: %d.\n",
-		       mp_ioapics[i].mp_apicid, nr_ioapic_registers[i]);
-
-	/*
-	 * We are a bit conservative about what we expect.  We have to
-	 * know about every hardware change ASAP.
-	 */
-	printk(KERN_INFO "testing the IO APIC.......................\n");
-
-	for (apic = 0; apic < nr_ioapics; apic++) {
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	reg_00.raw = io_apic_read(apic, 0);
-	reg_01.raw = io_apic_read(apic, 1);
-	if (reg_01.bits.version >= 0x10)
-		reg_02.raw = io_apic_read(apic, 2);
-        if (reg_01.bits.version >= 0x20)
-                reg_03.raw = io_apic_read(apic, 3);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	printk("\n");
-	printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid);
-	printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw);
-	printk(KERN_DEBUG ".......    : physical APIC id: %02X\n", reg_00.bits.ID);
-	printk(KERN_DEBUG ".......    : Delivery Type: %X\n", reg_00.bits.delivery_type);
-	printk(KERN_DEBUG ".......    : LTS          : %X\n", reg_00.bits.LTS);
-
-	printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)&reg_01);
-	printk(KERN_DEBUG ".......     : max redirection entries: %04X\n", reg_01.bits.entries);
-
-	printk(KERN_DEBUG ".......     : PRQ implemented: %X\n", reg_01.bits.PRQ);
-	printk(KERN_DEBUG ".......     : IO APIC version: %04X\n", reg_01.bits.version);
-
-	/*
-	 * Some Intel chipsets with IO APIC VERSION of 0x1? don't have reg_02,
-	 * but the value of reg_02 is read as the previous read register
-	 * value, so ignore it if reg_02 == reg_01.
-	 */
-	if (reg_01.bits.version >= 0x10 && reg_02.raw != reg_01.raw) {
-		printk(KERN_DEBUG ".... register #02: %08X\n", reg_02.raw);
-		printk(KERN_DEBUG ".......     : arbitration: %02X\n", reg_02.bits.arbitration);
-	}
-
-	/*
-	 * Some Intel chipsets with IO APIC VERSION of 0x2? don't have reg_02
-	 * or reg_03, but the value of reg_0[23] is read as the previous read
-	 * register value, so ignore it if reg_03 == reg_0[12].
-	 */
-	if (reg_01.bits.version >= 0x20 && reg_03.raw != reg_02.raw &&
-	    reg_03.raw != reg_01.raw) {
-		printk(KERN_DEBUG ".... register #03: %08X\n", reg_03.raw);
-		printk(KERN_DEBUG ".......     : Boot DT    : %X\n", reg_03.bits.boot_DT);
-	}
-
-	printk(KERN_DEBUG ".... IRQ redirection table:\n");
-
-	printk(KERN_DEBUG " NR Dst Mask Trig IRR Pol"
-			  " Stat Dmod Deli Vect:   \n");
-
-	for (i = 0; i <= reg_01.bits.entries; i++) {
-		struct IO_APIC_route_entry entry;
-
-		entry = ioapic_read_entry(apic, i);
-
-		printk(KERN_DEBUG " %02x %03X ",
-			i,
-			entry.dest
-		);
-
-		printk("%1d    %1d    %1d   %1d   %1d    %1d    %1d    %02X\n",
-			entry.mask,
-			entry.trigger,
-			entry.irr,
-			entry.polarity,
-			entry.delivery_status,
-			entry.dest_mode,
-			entry.delivery_mode,
-			entry.vector
-		);
-	}
-	}
-	printk(KERN_DEBUG "IRQ to pin mappings:\n");
-	for_each_irq_cfg(cfg) {
-		struct irq_pin_list *entry = cfg->irq_2_pin;
-		if (!entry)
-			continue;
-		printk(KERN_DEBUG "IRQ%d ", cfg->irq);
-		for (;;) {
-			printk("-> %d:%d", entry->apic, entry->pin);
-			if (!entry->next)
-				break;
-			entry = entry->next;
-		}
-		printk("\n");
-	}
-
-	printk(KERN_INFO ".................................... done.\n");
-
-	return;
-}
-
-__apicdebuginit(void) print_APIC_bitfield(int base)
-{
-	unsigned int v;
-	int i, j;
-
-	if (apic_verbosity == APIC_QUIET)
-		return;
-
-	printk(KERN_DEBUG "0123456789abcdef0123456789abcdef\n" KERN_DEBUG);
-	for (i = 0; i < 8; i++) {
-		v = apic_read(base + i*0x10);
-		for (j = 0; j < 32; j++) {
-			if (v & (1<<j))
-				printk("1");
-			else
-				printk("0");
-		}
-		printk("\n");
-	}
-}
-
-__apicdebuginit(void) print_local_APIC(void *dummy)
-{
-	unsigned int v, ver, maxlvt;
-	u64 icr;
-
-	if (apic_verbosity == APIC_QUIET)
-		return;
-
-	printk("\n" KERN_DEBUG "printing local APIC contents on CPU#%d/%d:\n",
-		smp_processor_id(), hard_smp_processor_id());
-	v = apic_read(APIC_ID);
-	printk(KERN_INFO "... APIC ID:      %08x (%01x)\n", v, read_apic_id());
-	v = apic_read(APIC_LVR);
-	printk(KERN_INFO "... APIC VERSION: %08x\n", v);
-	ver = GET_APIC_VERSION(v);
-	maxlvt = lapic_get_maxlvt();
-
-	v = apic_read(APIC_TASKPRI);
-	printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK);
-
-	if (APIC_INTEGRATED(ver)) {                     /* !82489DX */
-		v = apic_read(APIC_ARBPRI);
-		printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
-			v & APIC_ARBPRI_MASK);
-		v = apic_read(APIC_PROCPRI);
-		printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v);
-	}
-
-	v = apic_read(APIC_EOI);
-	printk(KERN_DEBUG "... APIC EOI: %08x\n", v);
-	v = apic_read(APIC_RRR);
-	printk(KERN_DEBUG "... APIC RRR: %08x\n", v);
-	v = apic_read(APIC_LDR);
-	printk(KERN_DEBUG "... APIC LDR: %08x\n", v);
-	v = apic_read(APIC_DFR);
-	printk(KERN_DEBUG "... APIC DFR: %08x\n", v);
-	v = apic_read(APIC_SPIV);
-	printk(KERN_DEBUG "... APIC SPIV: %08x\n", v);
-
-	printk(KERN_DEBUG "... APIC ISR field:\n");
-	print_APIC_bitfield(APIC_ISR);
-	printk(KERN_DEBUG "... APIC TMR field:\n");
-	print_APIC_bitfield(APIC_TMR);
-	printk(KERN_DEBUG "... APIC IRR field:\n");
-	print_APIC_bitfield(APIC_IRR);
-
-	if (APIC_INTEGRATED(ver)) {             /* !82489DX */
-		if (maxlvt > 3)         /* Due to the Pentium erratum 3AP. */
-			apic_write(APIC_ESR, 0);
-
-		v = apic_read(APIC_ESR);
-		printk(KERN_DEBUG "... APIC ESR: %08x\n", v);
-	}
-
-	icr = apic_icr_read();
-	printk(KERN_DEBUG "... APIC ICR: %08x\n", (u32)icr);
-	printk(KERN_DEBUG "... APIC ICR2: %08x\n", (u32)(icr >> 32));
-
-	v = apic_read(APIC_LVTT);
-	printk(KERN_DEBUG "... APIC LVTT: %08x\n", v);
-
-	if (maxlvt > 3) {                       /* PC is LVT#4. */
-		v = apic_read(APIC_LVTPC);
-		printk(KERN_DEBUG "... APIC LVTPC: %08x\n", v);
-	}
-	v = apic_read(APIC_LVT0);
-	printk(KERN_DEBUG "... APIC LVT0: %08x\n", v);
-	v = apic_read(APIC_LVT1);
-	printk(KERN_DEBUG "... APIC LVT1: %08x\n", v);
-
-	if (maxlvt > 2) {			/* ERR is LVT#3. */
-		v = apic_read(APIC_LVTERR);
-		printk(KERN_DEBUG "... APIC LVTERR: %08x\n", v);
-	}
-
-	v = apic_read(APIC_TMICT);
-	printk(KERN_DEBUG "... APIC TMICT: %08x\n", v);
-	v = apic_read(APIC_TMCCT);
-	printk(KERN_DEBUG "... APIC TMCCT: %08x\n", v);
-	v = apic_read(APIC_TDCR);
-	printk(KERN_DEBUG "... APIC TDCR: %08x\n", v);
-	printk("\n");
-}
-
-__apicdebuginit(void) print_all_local_APICs(void)
-{
-	on_each_cpu(print_local_APIC, NULL, 1);
-}
-
-__apicdebuginit(void) print_PIC(void)
-{
-	unsigned int v;
-	unsigned long flags;
-
-	if (apic_verbosity == APIC_QUIET)
-		return;
-
-	printk(KERN_DEBUG "\nprinting PIC contents\n");
-
-	spin_lock_irqsave(&i8259A_lock, flags);
-
-	v = inb(0xa1) << 8 | inb(0x21);
-	printk(KERN_DEBUG "... PIC  IMR: %04x\n", v);
-
-	v = inb(0xa0) << 8 | inb(0x20);
-	printk(KERN_DEBUG "... PIC  IRR: %04x\n", v);
-
-	outb(0x0b,0xa0);
-	outb(0x0b,0x20);
-	v = inb(0xa0) << 8 | inb(0x20);
-	outb(0x0a,0xa0);
-	outb(0x0a,0x20);
-
-	spin_unlock_irqrestore(&i8259A_lock, flags);
-
-	printk(KERN_DEBUG "... PIC  ISR: %04x\n", v);
-
-	v = inb(0x4d1) << 8 | inb(0x4d0);
-	printk(KERN_DEBUG "... PIC ELCR: %04x\n", v);
-}
-
-__apicdebuginit(int) print_all_ICs(void)
-{
-	print_PIC();
-	print_all_local_APICs();
-	print_IO_APIC();
-
-	return 0;
-}
-
-fs_initcall(print_all_ICs);
-
-
-/* Where if anywhere is the i8259 connect in external int mode */
-static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
-
-void __init enable_IO_APIC(void)
-{
-	union IO_APIC_reg_01 reg_01;
-	int i8259_apic, i8259_pin;
-	int apic;
-	unsigned long flags;
-
-#ifdef CONFIG_X86_32
-	int i;
-	if (!pirqs_enabled)
-		for (i = 0; i < MAX_PIRQS; i++)
-			pirq_entries[i] = -1;
-#endif
-
-	/*
-	 * The number of IO-APIC IRQ registers (== #pins):
-	 */
-	for (apic = 0; apic < nr_ioapics; apic++) {
-		spin_lock_irqsave(&ioapic_lock, flags);
-		reg_01.raw = io_apic_read(apic, 1);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-		nr_ioapic_registers[apic] = reg_01.bits.entries+1;
-	}
-	for(apic = 0; apic < nr_ioapics; apic++) {
-		int pin;
-		/* See if any of the pins is in ExtINT mode */
-		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-			struct IO_APIC_route_entry entry;
-			entry = ioapic_read_entry(apic, pin);
-
-			/* If the interrupt line is enabled and in ExtInt mode
-			 * I have found the pin where the i8259 is connected.
-			 */
-			if ((entry.mask == 0) && (entry.delivery_mode == dest_ExtINT)) {
-				ioapic_i8259.apic = apic;
-				ioapic_i8259.pin  = pin;
-				goto found_i8259;
-			}
-		}
-	}
- found_i8259:
-	/* Look to see what if the MP table has reported the ExtINT */
-	/* If we could not find the appropriate pin by looking at the ioapic
-	 * the i8259 probably is not connected the ioapic but give the
-	 * mptable a chance anyway.
-	 */
-	i8259_pin  = find_isa_irq_pin(0, mp_ExtINT);
-	i8259_apic = find_isa_irq_apic(0, mp_ExtINT);
-	/* Trust the MP table if nothing is setup in the hardware */
-	if ((ioapic_i8259.pin == -1) && (i8259_pin >= 0)) {
-		printk(KERN_WARNING "ExtINT not setup in hardware but reported by MP table\n");
-		ioapic_i8259.pin  = i8259_pin;
-		ioapic_i8259.apic = i8259_apic;
-	}
-	/* Complain if the MP table and the hardware disagree */
-	if (((ioapic_i8259.apic != i8259_apic) || (ioapic_i8259.pin != i8259_pin)) &&
-		(i8259_pin >= 0) && (ioapic_i8259.pin >= 0))
-	{
-		printk(KERN_WARNING "ExtINT in hardware and MP table differ\n");
-	}
-
-	/*
-	 * Do not trust the IO-APIC being empty at bootup
-	 */
-	clear_IO_APIC();
-}
-
-/*
- * Not an __init, needed by the reboot code
- */
-void disable_IO_APIC(void)
-{
-	/*
-	 * Clear the IO-APIC before rebooting:
-	 */
-	clear_IO_APIC();
-
-	/*
-	 * If the i8259 is routed through an IOAPIC
-	 * Put that IOAPIC in virtual wire mode
-	 * so legacy interrupts can be delivered.
-	 */
-	if (ioapic_i8259.pin != -1) {
-		struct IO_APIC_route_entry entry;
-
-		memset(&entry, 0, sizeof(entry));
-		entry.mask            = 0; /* Enabled */
-		entry.trigger         = 0; /* Edge */
-		entry.irr             = 0;
-		entry.polarity        = 0; /* High */
-		entry.delivery_status = 0;
-		entry.dest_mode       = 0; /* Physical */
-		entry.delivery_mode   = dest_ExtINT; /* ExtInt */
-		entry.vector          = 0;
-		entry.dest            = read_apic_id();
-
-		/*
-		 * Add it to the IO-APIC irq-routing table:
-		 */
-		ioapic_write_entry(ioapic_i8259.apic, ioapic_i8259.pin, entry);
-	}
-
-	disconnect_bsp_APIC(ioapic_i8259.pin != -1);
-}
-
-#ifdef CONFIG_X86_32
-/*
- * function to set the IO-APIC physical IDs based on the
- * values stored in the MPC table.
- *
- * by Matt Domsch <Matt_Domsch@dell.com>  Tue Dec 21 12:25:05 CST 1999
- */
-
-static void __init setup_ioapic_ids_from_mpc(void)
-{
-	union IO_APIC_reg_00 reg_00;
-	physid_mask_t phys_id_present_map;
-	int apic;
-	int i;
-	unsigned char old_id;
-	unsigned long flags;
-
-	if (x86_quirks->setup_ioapic_ids && x86_quirks->setup_ioapic_ids())
-		return;
-
-	/*
-	 * Don't check I/O APIC IDs for xAPIC systems.  They have
-	 * no meaning without the serial APIC bus.
-	 */
-	if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
-		|| APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
-		return;
-	/*
-	 * This is broken; anything with a real cpu count has to
-	 * circumvent this idiocy regardless.
-	 */
-	phys_id_present_map = ioapic_phys_id_map(phys_cpu_present_map);
-
-	/*
-	 * Set the IOAPIC ID to the value stored in the MPC table.
-	 */
-	for (apic = 0; apic < nr_ioapics; apic++) {
-
-		/* Read the register 0 value */
-		spin_lock_irqsave(&ioapic_lock, flags);
-		reg_00.raw = io_apic_read(apic, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-
-		old_id = mp_ioapics[apic].mp_apicid;
-
-		if (mp_ioapics[apic].mp_apicid >= get_physical_broadcast()) {
-			printk(KERN_ERR "BIOS bug, IO-APIC#%d ID is %d in the MPC table!...\n",
-				apic, mp_ioapics[apic].mp_apicid);
-			printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
-				reg_00.bits.ID);
-			mp_ioapics[apic].mp_apicid = reg_00.bits.ID;
-		}
-
-		/*
-		 * Sanity check, is the ID really free? Every APIC in a
-		 * system must have a unique ID or we get lots of nice
-		 * 'stuck on smp_invalidate_needed IPI wait' messages.
-		 */
-		if (check_apicid_used(phys_id_present_map,
-					mp_ioapics[apic].mp_apicid)) {
-			printk(KERN_ERR "BIOS bug, IO-APIC#%d ID %d is already used!...\n",
-				apic, mp_ioapics[apic].mp_apicid);
-			for (i = 0; i < get_physical_broadcast(); i++)
-				if (!physid_isset(i, phys_id_present_map))
-					break;
-			if (i >= get_physical_broadcast())
-				panic("Max APIC ID exceeded!\n");
-			printk(KERN_ERR "... fixing up to %d. (tell your hw vendor)\n",
-				i);
-			physid_set(i, phys_id_present_map);
-			mp_ioapics[apic].mp_apicid = i;
-		} else {
-			physid_mask_t tmp;
-			tmp = apicid_to_cpu_present(mp_ioapics[apic].mp_apicid);
-			apic_printk(APIC_VERBOSE, "Setting %d in the "
-					"phys_id_present_map\n",
-					mp_ioapics[apic].mp_apicid);
-			physids_or(phys_id_present_map, phys_id_present_map, tmp);
-		}
-
-
-		/*
-		 * We need to adjust the IRQ routing table
-		 * if the ID changed.
-		 */
-		if (old_id != mp_ioapics[apic].mp_apicid)
-			for (i = 0; i < mp_irq_entries; i++)
-				if (mp_irqs[i].mp_dstapic == old_id)
-					mp_irqs[i].mp_dstapic
-						= mp_ioapics[apic].mp_apicid;
-
-		/*
-		 * Read the right value from the MPC table and
-		 * write it into the ID register.
-		 */
-		apic_printk(APIC_VERBOSE, KERN_INFO
-			"...changing IO-APIC physical APIC ID to %d ...",
-			mp_ioapics[apic].mp_apicid);
-
-		reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
-		spin_lock_irqsave(&ioapic_lock, flags);
-
-		/*
-		 * Sanity check
-		 */
-		spin_lock_irqsave(&ioapic_lock, flags);
-		reg_00.raw = io_apic_read(apic, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-		if (reg_00.bits.ID != mp_ioapics[apic].mp_apicid)
-			printk("could not set ID!\n");
-		else
-			apic_printk(APIC_VERBOSE, " ok.\n");
-	}
-}
-#endif
-
-int no_timer_check __initdata;
-
-static int __init notimercheck(char *s)
-{
-	no_timer_check = 1;
-	return 1;
-}
-__setup("no_timer_check", notimercheck);
-
-/*
- * There is a nasty bug in some older SMP boards, their mptable lies
- * about the timer IRQ. We do the following to work around the situation:
- *
- *	- timer IRQ defaults to IO-APIC IRQ
- *	- if this function detects that timer IRQs are defunct, then we fall
- *	  back to ISA timer IRQs
- */
-static int __init timer_irq_works(void)
-{
-	unsigned long t1 = jiffies;
-	unsigned long flags;
-
-	if (no_timer_check)
-		return 1;
-
-	local_save_flags(flags);
-	local_irq_enable();
-	/* Let ten ticks pass... */
-	mdelay((10 * 1000) / HZ);
-	local_irq_restore(flags);
-
-	/*
-	 * Expect a few ticks at least, to be sure some possible
-	 * glue logic does not lock up after one or two first
-	 * ticks in a non-ExtINT mode.  Also the local APIC
-	 * might have cached one ExtINT interrupt.  Finally, at
-	 * least one tick may be lost due to delays.
-	 */
-
-	/* jiffies wrap? */
-	if (time_after(jiffies, t1 + 4))
-		return 1;
-	return 0;
-}
-
-/*
- * In the SMP+IOAPIC case it might happen that there are an unspecified
- * number of pending IRQ events unhandled. These cases are very rare,
- * so we 'resend' these IRQs via IPIs, to the same CPU. It's much
- * better to do it this way as thus we do not have to be aware of
- * 'pending' interrupts in the IRQ path, except at this point.
- */
-/*
- * Edge triggered needs to resend any interrupt
- * that was delayed but this is now handled in the device
- * independent code.
- */
-
-/*
- * Starting up a edge-triggered IO-APIC interrupt is
- * nasty - we need to make sure that we get the edge.
- * If it is already asserted for some reason, we need
- * return 1 to indicate that is was pending.
- *
- * This is not complete - we should be able to fake
- * an edge even if it isn't on the 8259A...
- */
-
-static unsigned int startup_ioapic_irq(unsigned int irq)
-{
-	int was_pending = 0;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	if (irq < 16) {
-		disable_8259A_irq(irq);
-		if (i8259A_irq_pending(irq))
-			was_pending = 1;
-	}
-	__unmask_IO_APIC_irq(irq);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	return was_pending;
-}
-
-#ifdef CONFIG_X86_64
-static int ioapic_retrigger_irq(unsigned int irq)
-{
-
-	struct irq_cfg *cfg = irq_cfg(irq);
-	unsigned long flags;
-
-	spin_lock_irqsave(&vector_lock, flags);
-	send_IPI_mask(cpumask_of_cpu(first_cpu(cfg->domain)), cfg->vector);
-	spin_unlock_irqrestore(&vector_lock, flags);
-
-	return 1;
-}
-#else
-static int ioapic_retrigger_irq(unsigned int irq)
-{
-        send_IPI_self(irq_cfg(irq)->vector);
-
-        return 1;
-}
-#endif
-
-/*
- * Level and edge triggered IO-APIC interrupts need different handling,
- * so we use two separate IRQ descriptors. Edge triggered IRQs can be
- * handled with the level-triggered descriptor, but that one has slightly
- * more overhead. Level-triggered interrupts cannot be handled with the
- * edge-triggered handler, without risking IRQ storms and other ugly
- * races.
- */
-
-#ifdef CONFIG_SMP
-
-#ifdef CONFIG_INTR_REMAP
-static void ir_irq_migration(struct work_struct *work);
-
-static DECLARE_DELAYED_WORK(ir_migration_work, ir_irq_migration);
-
-/*
- * Migrate the IO-APIC irq in the presence of intr-remapping.
- *
- * For edge triggered, irq migration is a simple atomic update(of vector
- * and cpu destination) of IRTE and flush the hardware cache.
- *
- * For level triggered, we need to modify the io-apic RTE aswell with the update
- * vector information, along with modifying IRTE with vector and destination.
- * So irq migration for level triggered is little  bit more complex compared to
- * edge triggered migration. But the good news is, we use the same algorithm
- * for level triggered migration as we have today, only difference being,
- * we now initiate the irq migration from process context instead of the
- * interrupt context.
- *
- * In future, when we do a directed EOI (combined with cpu EOI broadcast
- * suppression) to the IO-APIC, level triggered irq migration will also be
- * as simple as edge triggered migration and we can do the irq migration
- * with a simple atomic update to IO-APIC RTE.
- */
-static void migrate_ioapic_irq(int irq, cpumask_t mask)
-{
-	struct irq_cfg *cfg;
-	struct irq_desc *desc;
-	cpumask_t tmp, cleanup_mask;
-	struct irte irte;
-	int modify_ioapic_rte;
-	unsigned int dest;
-	unsigned long flags;
-
-	cpus_and(tmp, mask, cpu_online_map);
-	if (cpus_empty(tmp))
-		return;
-
-	if (get_irte(irq, &irte))
-		return;
-
-	if (assign_irq_vector(irq, mask))
-		return;
-
-	cfg = irq_cfg(irq);
-	cpus_and(tmp, cfg->domain, mask);
-	dest = cpu_mask_to_apicid(tmp);
-
-	desc = irq_to_desc(irq);
-	modify_ioapic_rte = desc->status & IRQ_LEVEL;
-	if (modify_ioapic_rte) {
-		spin_lock_irqsave(&ioapic_lock, flags);
-		__target_IO_APIC_irq(irq, dest, cfg->vector);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-	}
-
-	irte.vector = cfg->vector;
-	irte.dest_id = IRTE_DEST(dest);
-
-	/*
-	 * Modified the IRTE and flushes the Interrupt entry cache.
-	 */
-	modify_irte(irq, &irte);
-
-	if (cfg->move_in_progress) {
-		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
-		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
-		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
-		cfg->move_in_progress = 0;
-	}
-
-	desc->affinity = mask;
-}
-
-static int migrate_irq_remapped_level(int irq)
-{
-	int ret = -1;
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	mask_IO_APIC_irq(irq);
-
-	if (io_apic_level_ack_pending(irq)) {
-		/*
-	 	 * Interrupt in progress. Migrating irq now will change the
-		 * vector information in the IO-APIC RTE and that will confuse
-		 * the EOI broadcast performed by cpu.
-		 * So, delay the irq migration to the next instance.
-		 */
-		schedule_delayed_work(&ir_migration_work, 1);
-		goto unmask;
-	}
-
-	/* everthing is clear. we have right of way */
-	migrate_ioapic_irq(irq, desc->pending_mask);
-
-	ret = 0;
-	desc->status &= ~IRQ_MOVE_PENDING;
-	cpus_clear(desc->pending_mask);
-
-unmask:
-	unmask_IO_APIC_irq(irq);
-	return ret;
-}
-
-static void ir_irq_migration(struct work_struct *work)
-{
-	unsigned int irq;
-	struct irq_desc *desc;
-
-	for_each_irq_desc(irq, desc) {
-		if (desc->status & IRQ_MOVE_PENDING) {
-			unsigned long flags;
-
-			spin_lock_irqsave(&desc->lock, flags);
-			if (!desc->chip->set_affinity ||
-			    !(desc->status & IRQ_MOVE_PENDING)) {
-				desc->status &= ~IRQ_MOVE_PENDING;
-				spin_unlock_irqrestore(&desc->lock, flags);
-				continue;
-			}
-
-			desc->chip->set_affinity(irq, desc->pending_mask);
-			spin_unlock_irqrestore(&desc->lock, flags);
-		}
-	}
-}
-
-/*
- * Migrates the IRQ destination in the process context.
- */
-static void set_ir_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
-{
-	struct irq_desc *desc = irq_to_desc(irq);
-
-	if (desc->status & IRQ_LEVEL) {
-		desc->status |= IRQ_MOVE_PENDING;
-		desc->pending_mask = mask;
-		migrate_irq_remapped_level(irq);
-		return;
-	}
-
-	migrate_ioapic_irq(irq, mask);
-}
-#endif
-
-asmlinkage void smp_irq_move_cleanup_interrupt(void)
-{
-	unsigned vector, me;
-	ack_APIC_irq();
-#ifdef CONFIG_X86_64
-	exit_idle();
-#endif
-	irq_enter();
-
-	me = smp_processor_id();
-	for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {
-		unsigned int irq;
-		struct irq_desc *desc;
-		struct irq_cfg *cfg;
-		irq = __get_cpu_var(vector_irq)[vector];
-
-		desc = irq_to_desc(irq);
-		if (!desc)
-			continue;
-
-		cfg = irq_cfg(irq);
-		spin_lock(&desc->lock);
-		if (!cfg->move_cleanup_count)
-			goto unlock;
-
-		if ((vector == cfg->vector) && cpu_isset(me, cfg->domain))
-			goto unlock;
-
-		__get_cpu_var(vector_irq)[vector] = -1;
-		cfg->move_cleanup_count--;
-unlock:
-		spin_unlock(&desc->lock);
-	}
-
-	irq_exit();
-}
-
-static void irq_complete_move(unsigned int irq)
-{
-	struct irq_cfg *cfg = irq_cfg(irq);
-	unsigned vector, me;
-
-	if (likely(!cfg->move_in_progress))
-		return;
-
-	vector = ~get_irq_regs()->orig_ax;
-	me = smp_processor_id();
-	if ((vector == cfg->vector) && cpu_isset(me, cfg->domain)) {
-		cpumask_t cleanup_mask;
-
-		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
-		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
-		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
-		cfg->move_in_progress = 0;
-	}
-}
-#else
-static inline void irq_complete_move(unsigned int irq) {}
-#endif
-#ifdef CONFIG_INTR_REMAP
-static void ack_x2apic_level(unsigned int irq)
-{
-	ack_x2APIC_irq();
-}
-
-static void ack_x2apic_edge(unsigned int irq)
-{
-	ack_x2APIC_irq();
-}
-#endif
-
-static void ack_apic_edge(unsigned int irq)
-{
-	irq_complete_move(irq);
-	move_native_irq(irq);
-	ack_APIC_irq();
-}
-
-#ifdef CONFIG_X86_64
-static void ack_apic_level(unsigned int irq)
-{
-	int do_unmask_irq = 0;
-
-	irq_complete_move(irq);
-#ifdef CONFIG_GENERIC_PENDING_IRQ
-	/* If we are moving the irq we need to mask it */
-	if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
-		do_unmask_irq = 1;
-		mask_IO_APIC_irq(irq);
-	}
-#endif
-
-	/*
-	 * We must acknowledge the irq before we move it or the acknowledge will
-	 * not propagate properly.
-	 */
-	ack_APIC_irq();
-
-	/* Now we can move and renable the irq */
-	if (unlikely(do_unmask_irq)) {
-		/* Only migrate the irq if the ack has been received.
-		 *
-		 * On rare occasions the broadcast level triggered ack gets
-		 * delayed going to ioapics, and if we reprogram the
-		 * vector while Remote IRR is still set the irq will never
-		 * fire again.
-		 *
-		 * To prevent this scenario we read the Remote IRR bit
-		 * of the ioapic.  This has two effects.
-		 * - On any sane system the read of the ioapic will
-		 *   flush writes (and acks) going to the ioapic from
-		 *   this cpu.
-		 * - We get to see if the ACK has actually been delivered.
-		 *
-		 * Based on failed experiments of reprogramming the
-		 * ioapic entry from outside of irq context starting
-		 * with masking the ioapic entry and then polling until
-		 * Remote IRR was clear before reprogramming the
-		 * ioapic I don't trust the Remote IRR bit to be
-		 * completey accurate.
-		 *
-		 * However there appears to be no other way to plug
-		 * this race, so if the Remote IRR bit is not
-		 * accurate and is causing problems then it is a hardware bug
-		 * and you can go talk to the chipset vendor about it.
-		 */
-		if (!io_apic_level_ack_pending(irq))
-			move_masked_irq(irq);
-		unmask_IO_APIC_irq(irq);
-	}
-}
-#else
-atomic_t irq_mis_count;
-static void ack_apic_level(unsigned int irq)
-{
-	unsigned long v;
-	int i;
-
-	irq_complete_move(irq);
-	move_native_irq(irq);
-	/*
-	* It appears there is an erratum which affects at least version 0x11
-	* of I/O APIC (that's the 82093AA and cores integrated into various
-	* chipsets).  Under certain conditions a level-triggered interrupt is
-	* erroneously delivered as edge-triggered one but the respective IRR
-	* bit gets set nevertheless.  As a result the I/O unit expects an EOI
-	* message but it will never arrive and further interrupts are blocked
-	* from the source.  The exact reason is so far unknown, but the
-	* phenomenon was observed when two consecutive interrupt requests
-	* from a given source get delivered to the same CPU and the source is
-	* temporarily disabled in between.
-	*
-	* A workaround is to simulate an EOI message manually.  We achieve it
-	* by setting the trigger mode to edge and then to level when the edge
-	* trigger mode gets detected in the TMR of a local APIC for a
-	* level-triggered interrupt.  We mask the source for the time of the
-	* operation to prevent an edge-triggered interrupt escaping meanwhile.
-	* The idea is from Manfred Spraul.  --macro
-	*/
-	i = irq_cfg(irq)->vector;
-
-	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
-
-	ack_APIC_irq();
-
-	if (!(v & (1 << (i & 0x1f)))) {
-		atomic_inc(&irq_mis_count);
-		spin_lock(&ioapic_lock);
-		__mask_and_edge_IO_APIC_irq(irq);
-		__unmask_and_level_IO_APIC_irq(irq);
-		spin_unlock(&ioapic_lock);
-	}
-}
-#endif
-
-static struct irq_chip ioapic_chip __read_mostly = {
-	.name 		= "IO-APIC",
-	.startup 	= startup_ioapic_irq,
-	.mask	 	= mask_IO_APIC_irq,
-	.unmask	 	= unmask_IO_APIC_irq,
-	.ack 		= ack_apic_edge,
-	.eoi 		= ack_apic_level,
-#ifdef CONFIG_SMP
-	.set_affinity 	= set_ioapic_affinity_irq,
-#endif
-	.retrigger	= ioapic_retrigger_irq,
-};
-
-#ifdef CONFIG_INTR_REMAP
-static struct irq_chip ir_ioapic_chip __read_mostly = {
-	.name 		= "IR-IO-APIC",
-	.startup 	= startup_ioapic_irq,
-	.mask	 	= mask_IO_APIC_irq,
-	.unmask	 	= unmask_IO_APIC_irq,
-	.ack 		= ack_x2apic_edge,
-	.eoi 		= ack_x2apic_level,
-#ifdef CONFIG_SMP
-	.set_affinity 	= set_ir_ioapic_affinity_irq,
-#endif
-	.retrigger	= ioapic_retrigger_irq,
-};
-#endif
-
-static inline void init_IO_APIC_traps(void)
-{
-	int irq;
-	struct irq_desc *desc;
-	struct irq_cfg *cfg;
-
-	/*
-	 * NOTE! The local APIC isn't very good at handling
-	 * multiple interrupts at the same interrupt level.
-	 * As the interrupt level is determined by taking the
-	 * vector number and shifting that right by 4, we
-	 * want to spread these out a bit so that they don't
-	 * all fall in the same interrupt level.
-	 *
-	 * Also, we've got to be careful not to trash gate
-	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
-	 */
-	for_each_irq_cfg(cfg) {
-		irq = cfg->irq;
-		if (IO_APIC_IRQ(irq) && !cfg->vector) {
-			/*
-			 * Hmm.. We don't have an entry for this,
-			 * so default to an old-fashioned 8259
-			 * interrupt if we can..
-			 */
-			if (irq < 16)
-				make_8259A_irq(irq);
-			else {
-				desc = irq_to_desc(irq);
-				/* Strange. Oh, well.. */
-				desc->chip = &no_irq_chip;
-			}
-		}
-	}
-}
-
-/*
- * The local APIC irq-chip implementation:
- */
-
-static void mask_lapic_irq(unsigned int irq)
-{
-	unsigned long v;
-
-	v = apic_read(APIC_LVT0);
-	apic_write(APIC_LVT0, v | APIC_LVT_MASKED);
-}
-
-static void unmask_lapic_irq(unsigned int irq)
-{
-	unsigned long v;
-
-	v = apic_read(APIC_LVT0);
-	apic_write(APIC_LVT0, v & ~APIC_LVT_MASKED);
-}
-
-static void ack_lapic_irq (unsigned int irq)
-{
-	ack_APIC_irq();
-}
-
-static struct irq_chip lapic_chip __read_mostly = {
-	.name		= "local-APIC",
-	.mask		= mask_lapic_irq,
-	.unmask		= unmask_lapic_irq,
-	.ack		= ack_lapic_irq,
-};
-
-static void lapic_register_intr(int irq)
-{
-	struct irq_desc *desc;
-
-	desc = irq_to_desc(irq);
-	desc->status &= ~IRQ_LEVEL;
-	set_irq_chip_and_handler_name(irq, &lapic_chip, handle_edge_irq,
-				      "edge");
-}
-
-static void __init setup_nmi(void)
-{
-	/*
-	 * Dirty trick to enable the NMI watchdog ...
-	 * We put the 8259A master into AEOI mode and
-	 * unmask on all local APICs LVT0 as NMI.
-	 *
-	 * The idea to use the 8259A in AEOI mode ('8259A Virtual Wire')
-	 * is from Maciej W. Rozycki - so we do not have to EOI from
-	 * the NMI handler or the timer interrupt.
-	 */
-	apic_printk(APIC_VERBOSE, KERN_INFO "activating NMI Watchdog ...");
-
-	enable_NMI_through_LVT0();
-
-	apic_printk(APIC_VERBOSE, " done.\n");
-}
-
-/*
- * This looks a bit hackish but it's about the only one way of sending
- * a few INTA cycles to 8259As and any associated glue logic.  ICR does
- * not support the ExtINT mode, unfortunately.  We need to send these
- * cycles as some i82489DX-based boards have glue logic that keeps the
- * 8259A interrupt line asserted until INTA.  --macro
- */
-static inline void __init unlock_ExtINT_logic(void)
-{
-	int apic, pin, i;
-	struct IO_APIC_route_entry entry0, entry1;
-	unsigned char save_control, save_freq_select;
-
-	pin  = find_isa_irq_pin(8, mp_INT);
-	if (pin == -1) {
-		WARN_ON_ONCE(1);
-		return;
-	}
-	apic = find_isa_irq_apic(8, mp_INT);
-	if (apic == -1) {
-		WARN_ON_ONCE(1);
-		return;
-	}
-
-	entry0 = ioapic_read_entry(apic, pin);
-	clear_IO_APIC_pin(apic, pin);
-
-	memset(&entry1, 0, sizeof(entry1));
-
-	entry1.dest_mode = 0;			/* physical delivery */
-	entry1.mask = 0;			/* unmask IRQ now */
-	entry1.dest = hard_smp_processor_id();
-	entry1.delivery_mode = dest_ExtINT;
-	entry1.polarity = entry0.polarity;
-	entry1.trigger = 0;
-	entry1.vector = 0;
-
-	ioapic_write_entry(apic, pin, entry1);
-
-	save_control = CMOS_READ(RTC_CONTROL);
-	save_freq_select = CMOS_READ(RTC_FREQ_SELECT);
-	CMOS_WRITE((save_freq_select & ~RTC_RATE_SELECT) | 0x6,
-		   RTC_FREQ_SELECT);
-	CMOS_WRITE(save_control | RTC_PIE, RTC_CONTROL);
-
-	i = 100;
-	while (i-- > 0) {
-		mdelay(10);
-		if ((CMOS_READ(RTC_INTR_FLAGS) & RTC_PF) == RTC_PF)
-			i -= 10;
-	}
-
-	CMOS_WRITE(save_control, RTC_CONTROL);
-	CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);
-	clear_IO_APIC_pin(apic, pin);
-
-	ioapic_write_entry(apic, pin, entry0);
-}
-
-static int disable_timer_pin_1 __initdata;
-/* Actually the next is obsolete, but keep it for paranoid reasons -AK */
-static int __init disable_timer_pin_setup(char *arg)
-{
-	disable_timer_pin_1 = 1;
-	return 0;
-}
-early_param("disable_timer_pin_1", disable_timer_pin_setup);
-
-int timer_through_8259 __initdata;
-
-/*
- * This code may look a bit paranoid, but it's supposed to cooperate with
- * a wide range of boards and BIOS bugs.  Fortunately only the timer IRQ
- * is so screwy.  Thanks to Brian Perkins for testing/hacking this beast
- * fanatically on his truly buggy board.
- *
- * FIXME: really need to revamp this for all platforms.
- */
-static inline void __init check_timer(void)
-{
-	struct irq_cfg *cfg = irq_cfg(0);
-	int apic1, pin1, apic2, pin2;
-	unsigned long flags;
-	unsigned int ver;
-	int no_pin1 = 0;
-
-	local_irq_save(flags);
-
-        ver = apic_read(APIC_LVR);
-        ver = GET_APIC_VERSION(ver);
-
-	/*
-	 * get/set the timer IRQ vector:
-	 */
-	disable_8259A_irq(0);
-	assign_irq_vector(0, TARGET_CPUS);
-
-	/*
-	 * As IRQ0 is to be enabled in the 8259A, the virtual
-	 * wire has to be disabled in the local APIC.  Also
-	 * timer interrupts need to be acknowledged manually in
-	 * the 8259A for the i82489DX when using the NMI
-	 * watchdog as that APIC treats NMIs as level-triggered.
-	 * The AEOI mode will finish them in the 8259A
-	 * automatically.
-	 */
-	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
-	init_8259A(1);
-#ifdef CONFIG_X86_32
-	timer_ack = (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
-#endif
-
-	pin1  = find_isa_irq_pin(0, mp_INT);
-	apic1 = find_isa_irq_apic(0, mp_INT);
-	pin2  = ioapic_i8259.pin;
-	apic2 = ioapic_i8259.apic;
-
-	apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X "
-		    "apic1=%d pin1=%d apic2=%d pin2=%d\n",
-		    cfg->vector, apic1, pin1, apic2, pin2);
-
-	/*
-	 * Some BIOS writers are clueless and report the ExtINTA
-	 * I/O APIC input from the cascaded 8259A as the timer
-	 * interrupt input.  So just in case, if only one pin
-	 * was found above, try it both directly and through the
-	 * 8259A.
-	 */
-	if (pin1 == -1) {
-#ifdef CONFIG_INTR_REMAP
-		if (intr_remapping_enabled)
-			panic("BIOS bug: timer not connected to IO-APIC");
-#endif
-		pin1 = pin2;
-		apic1 = apic2;
-		no_pin1 = 1;
-	} else if (pin2 == -1) {
-		pin2 = pin1;
-		apic2 = apic1;
-	}
-
-	if (pin1 != -1) {
-		/*
-		 * Ok, does IRQ0 through the IOAPIC work?
-		 */
-		if (no_pin1) {
-			add_pin_to_irq(0, apic1, pin1);
-			setup_timer_IRQ0_pin(apic1, pin1, cfg->vector);
-		}
-		unmask_IO_APIC_irq(0);
-		if (timer_irq_works()) {
-			if (nmi_watchdog == NMI_IO_APIC) {
-				setup_nmi();
-				enable_8259A_irq(0);
-			}
-			if (disable_timer_pin_1 > 0)
-				clear_IO_APIC_pin(0, pin1);
-			goto out;
-		}
-#ifdef CONFIG_INTR_REMAP
-		if (intr_remapping_enabled)
-			panic("timer doesn't work through Interrupt-remapped IO-APIC");
-#endif
-		clear_IO_APIC_pin(apic1, pin1);
-		if (!no_pin1)
-			apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: "
-				    "8254 timer not connected to IO-APIC\n");
-
-		apic_printk(APIC_QUIET, KERN_INFO "...trying to set up timer "
-			    "(IRQ0) through the 8259A ...\n");
-		apic_printk(APIC_QUIET, KERN_INFO
-			    "..... (found apic %d pin %d) ...\n", apic2, pin2);
-		/*
-		 * legacy devices should be connected to IO APIC #0
-		 */
-		replace_pin_at_irq(0, apic1, pin1, apic2, pin2);
-		setup_timer_IRQ0_pin(apic2, pin2, cfg->vector);
-		unmask_IO_APIC_irq(0);
-		enable_8259A_irq(0);
-		if (timer_irq_works()) {
-			apic_printk(APIC_QUIET, KERN_INFO "....... works.\n");
-			timer_through_8259 = 1;
-			if (nmi_watchdog == NMI_IO_APIC) {
-				disable_8259A_irq(0);
-				setup_nmi();
-				enable_8259A_irq(0);
-			}
-			goto out;
-		}
-		/*
-		 * Cleanup, just in case ...
-		 */
-		disable_8259A_irq(0);
-		clear_IO_APIC_pin(apic2, pin2);
-		apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n");
-	}
-
-	if (nmi_watchdog == NMI_IO_APIC) {
-		apic_printk(APIC_QUIET, KERN_WARNING "timer doesn't work "
-			    "through the IO-APIC - disabling NMI Watchdog!\n");
-		nmi_watchdog = NMI_NONE;
-	}
-#ifdef CONFIG_X86_32
-	timer_ack = 0;
-#endif
-
-	apic_printk(APIC_QUIET, KERN_INFO
-		    "...trying to set up timer as Virtual Wire IRQ...\n");
-
-	lapic_register_intr(0);
-	apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector);	/* Fixed mode */
-	enable_8259A_irq(0);
-
-	if (timer_irq_works()) {
-		apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
-		goto out;
-	}
-	disable_8259A_irq(0);
-	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector);
-	apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n");
-
-	apic_printk(APIC_QUIET, KERN_INFO
-		    "...trying to set up timer as ExtINT IRQ...\n");
-
-	init_8259A(0);
-	make_8259A_irq(0);
-	apic_write(APIC_LVT0, APIC_DM_EXTINT);
-
-	unlock_ExtINT_logic();
-
-	if (timer_irq_works()) {
-		apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
-		goto out;
-	}
-	apic_printk(APIC_QUIET, KERN_INFO "..... failed :(.\n");
-	panic("IO-APIC + timer doesn't work!  Boot with apic=debug and send a "
-		"report.  Then try booting with the 'noapic' option.\n");
-out:
-	local_irq_restore(flags);
-}
-
-/*
- * Traditionally ISA IRQ2 is the cascade IRQ, and is not available
- * to devices.  However there may be an I/O APIC pin available for
- * this interrupt regardless.  The pin may be left unconnected, but
- * typically it will be reused as an ExtINT cascade interrupt for
- * the master 8259A.  In the MPS case such a pin will normally be
- * reported as an ExtINT interrupt in the MP table.  With ACPI
- * there is no provision for ExtINT interrupts, and in the absence
- * of an override it would be treated as an ordinary ISA I/O APIC
- * interrupt, that is edge-triggered and unmasked by default.  We
- * used to do this, but it caused problems on some systems because
- * of the NMI watchdog and sometimes IRQ0 of the 8254 timer using
- * the same ExtINT cascade interrupt to drive the local APIC of the
- * bootstrap processor.  Therefore we refrain from routing IRQ2 to
- * the I/O APIC in all cases now.  No actual device should request
- * it anyway.  --macro
- */
-#define PIC_IRQS	(1 << PIC_CASCADE_IR)
-
-void __init setup_IO_APIC(void)
-{
-
-#ifdef CONFIG_X86_32
-	enable_IO_APIC();
-#else
-	/*
-	 * calling enable_IO_APIC() is moved to setup_local_APIC for BP
-	 */
-#endif
-
-	io_apic_irqs = ~PIC_IRQS;
-
-	apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
-        /*
-         * Set up IO-APIC IRQ routing.
-         */
-#ifdef CONFIG_X86_32
-        if (!acpi_ioapic)
-                setup_ioapic_ids_from_mpc();
-#endif
-	sync_Arb_IDs();
-	setup_IO_APIC_irqs();
-	init_IO_APIC_traps();
-	check_timer();
-}
-
-/*
- *      Called after all the initialization is done. If we didnt find any
- *      APIC bugs then we can allow the modify fast path
- */
-
-static int __init io_apic_bug_finalize(void)
-{
-        if (sis_apic_bug == -1)
-                sis_apic_bug = 0;
-        return 0;
-}
-
-late_initcall(io_apic_bug_finalize);
-
-struct sysfs_ioapic_data {
-	struct sys_device dev;
-	struct IO_APIC_route_entry entry[0];
-};
-static struct sysfs_ioapic_data * mp_ioapic_data[MAX_IO_APICS];
-
-static int ioapic_suspend(struct sys_device *dev, pm_message_t state)
-{
-	struct IO_APIC_route_entry *entry;
-	struct sysfs_ioapic_data *data;
-	int i;
-
-	data = container_of(dev, struct sysfs_ioapic_data, dev);
-	entry = data->entry;
-	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ )
-		*entry = ioapic_read_entry(dev->id, i);
-
-	return 0;
-}
-
-static int ioapic_resume(struct sys_device *dev)
-{
-	struct IO_APIC_route_entry *entry;
-	struct sysfs_ioapic_data *data;
-	unsigned long flags;
-	union IO_APIC_reg_00 reg_00;
-	int i;
-
-	data = container_of(dev, struct sysfs_ioapic_data, dev);
-	entry = data->entry;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	reg_00.raw = io_apic_read(dev->id, 0);
-	if (reg_00.bits.ID != mp_ioapics[dev->id].mp_apicid) {
-		reg_00.bits.ID = mp_ioapics[dev->id].mp_apicid;
-		io_apic_write(dev->id, 0, reg_00.raw);
-	}
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-	for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
-		ioapic_write_entry(dev->id, i, entry[i]);
-
-	return 0;
-}
-
-static struct sysdev_class ioapic_sysdev_class = {
-	.name = "ioapic",
-	.suspend = ioapic_suspend,
-	.resume = ioapic_resume,
-};
-
-static int __init ioapic_init_sysfs(void)
-{
-	struct sys_device * dev;
-	int i, size, error;
-
-	error = sysdev_class_register(&ioapic_sysdev_class);
-	if (error)
-		return error;
-
-	for (i = 0; i < nr_ioapics; i++ ) {
-		size = sizeof(struct sys_device) + nr_ioapic_registers[i]
-			* sizeof(struct IO_APIC_route_entry);
-		mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL);
-		if (!mp_ioapic_data[i]) {
-			printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i);
-			continue;
-		}
-		dev = &mp_ioapic_data[i]->dev;
-		dev->id = i;
-		dev->cls = &ioapic_sysdev_class;
-		error = sysdev_register(dev);
-		if (error) {
-			kfree(mp_ioapic_data[i]);
-			mp_ioapic_data[i] = NULL;
-			printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i);
-			continue;
-		}
-	}
-
-	return 0;
-}
-
-device_initcall(ioapic_init_sysfs);
-
-/*
- * Dynamic irq allocate and deallocation
- */
-unsigned int create_irq_nr(unsigned int irq_want)
-{
-	/* Allocate an unused irq */
-	unsigned int irq;
-	unsigned int new;
-	unsigned long flags;
-	struct irq_cfg *cfg_new;
-
-#ifndef CONFIG_HAVE_SPARSE_IRQ
-	irq_want = nr_irqs - 1;
-#endif
-
-	irq = 0;
-	spin_lock_irqsave(&vector_lock, flags);
-	for (new = irq_want; new > 0; new--) {
-		if (platform_legacy_irq(new))
-			continue;
-		cfg_new = irq_cfg(new);
-		if (cfg_new && cfg_new->vector != 0)
-			continue;
-		/* check if need to create one */
-		if (!cfg_new)
-			cfg_new = irq_cfg_alloc(new);
-		if (__assign_irq_vector(new, TARGET_CPUS) == 0)
-			irq = new;
-		break;
-	}
-	spin_unlock_irqrestore(&vector_lock, flags);
-
-	if (irq > 0) {
-		dynamic_irq_init(irq);
-	}
-	return irq;
-}
-
-int create_irq(void)
-{
-	int irq;
-
-	irq = create_irq_nr(nr_irqs - 1);
-
-	if (irq == 0)
-		irq = -1;
-
-	return irq;
-}
-
-void destroy_irq(unsigned int irq)
-{
-	unsigned long flags;
-
-	dynamic_irq_cleanup(irq);
-
-#ifdef CONFIG_INTR_REMAP
-	free_irte(irq);
-#endif
-	spin_lock_irqsave(&vector_lock, flags);
-	__clear_irq_vector(irq);
-	spin_unlock_irqrestore(&vector_lock, flags);
-}
-
-/*
- * MSI message composition
- */
-#ifdef CONFIG_PCI_MSI
-static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
-{
-	struct irq_cfg *cfg;
-	int err;
-	unsigned dest;
-	cpumask_t tmp;
-
-	tmp = TARGET_CPUS;
-	err = assign_irq_vector(irq, tmp);
-	if (err)
-		return err;
-
-	cfg = irq_cfg(irq);
-	cpus_and(tmp, cfg->domain, tmp);
-	dest = cpu_mask_to_apicid(tmp);
-
-#ifdef CONFIG_INTR_REMAP
-	if (irq_remapped(irq)) {
-		struct irte irte;
-		int ir_index;
-		u16 sub_handle;
-
-		ir_index = map_irq_to_irte_handle(irq, &sub_handle);
-		BUG_ON(ir_index == -1);
-
-		memset (&irte, 0, sizeof(irte));
-
-		irte.present = 1;
-		irte.dst_mode = INT_DEST_MODE;
-		irte.trigger_mode = 0; /* edge */
-		irte.dlvry_mode = INT_DELIVERY_MODE;
-		irte.vector = cfg->vector;
-		irte.dest_id = IRTE_DEST(dest);
-
-		modify_irte(irq, &irte);
-
-		msg->address_hi = MSI_ADDR_BASE_HI;
-		msg->data = sub_handle;
-		msg->address_lo = MSI_ADDR_BASE_LO | MSI_ADDR_IR_EXT_INT |
-				  MSI_ADDR_IR_SHV |
-				  MSI_ADDR_IR_INDEX1(ir_index) |
-				  MSI_ADDR_IR_INDEX2(ir_index);
-	} else
-#endif
-	{
-		msg->address_hi = MSI_ADDR_BASE_HI;
-		msg->address_lo =
-			MSI_ADDR_BASE_LO |
-			((INT_DEST_MODE == 0) ?
-				MSI_ADDR_DEST_MODE_PHYSICAL:
-				MSI_ADDR_DEST_MODE_LOGICAL) |
-			((INT_DELIVERY_MODE != dest_LowestPrio) ?
-				MSI_ADDR_REDIRECTION_CPU:
-				MSI_ADDR_REDIRECTION_LOWPRI) |
-			MSI_ADDR_DEST_ID(dest);
-
-		msg->data =
-			MSI_DATA_TRIGGER_EDGE |
-			MSI_DATA_LEVEL_ASSERT |
-			((INT_DELIVERY_MODE != dest_LowestPrio) ?
-				MSI_DATA_DELIVERY_FIXED:
-				MSI_DATA_DELIVERY_LOWPRI) |
-			MSI_DATA_VECTOR(cfg->vector);
-	}
-	return err;
-}
-
-#ifdef CONFIG_SMP
-static void set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
-{
-	struct irq_cfg *cfg;
-	struct msi_msg msg;
-	unsigned int dest;
-	cpumask_t tmp;
-	struct irq_desc *desc;
-
-	cpus_and(tmp, mask, cpu_online_map);
-	if (cpus_empty(tmp))
-		return;
-
-	if (assign_irq_vector(irq, mask))
-		return;
-
-	cfg = irq_cfg(irq);
-	cpus_and(tmp, cfg->domain, mask);
-	dest = cpu_mask_to_apicid(tmp);
-
-	read_msi_msg(irq, &msg);
-
-	msg.data &= ~MSI_DATA_VECTOR_MASK;
-	msg.data |= MSI_DATA_VECTOR(cfg->vector);
-	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
-	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
-
-	write_msi_msg(irq, &msg);
-	desc = irq_to_desc(irq);
-	desc->affinity = mask;
-}
-
-#ifdef CONFIG_INTR_REMAP
-/*
- * Migrate the MSI irq to another cpumask. This migration is
- * done in the process context using interrupt-remapping hardware.
- */
-static void ir_set_msi_irq_affinity(unsigned int irq, cpumask_t mask)
-{
-	struct irq_cfg *cfg;
-	unsigned int dest;
-	cpumask_t tmp, cleanup_mask;
-	struct irte irte;
-	struct irq_desc *desc;
-
-	cpus_and(tmp, mask, cpu_online_map);
-	if (cpus_empty(tmp))
-		return;
-
-	if (get_irte(irq, &irte))
-		return;
-
-	if (assign_irq_vector(irq, mask))
-		return;
-
-	cfg = irq_cfg(irq);
-	cpus_and(tmp, cfg->domain, mask);
-	dest = cpu_mask_to_apicid(tmp);
-
-	irte.vector = cfg->vector;
-	irte.dest_id = IRTE_DEST(dest);
-
-	/*
-	 * atomically update the IRTE with the new destination and vector.
-	 */
-	modify_irte(irq, &irte);
-
-	/*
-	 * After this point, all the interrupts will start arriving
-	 * at the new destination. So, time to cleanup the previous
-	 * vector allocation.
-	 */
-	if (cfg->move_in_progress) {
-		cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
-		cfg->move_cleanup_count = cpus_weight(cleanup_mask);
-		send_IPI_mask(cleanup_mask, IRQ_MOVE_CLEANUP_VECTOR);
-		cfg->move_in_progress = 0;
-	}
-
-	desc = irq_to_desc(irq);
-	desc->affinity = mask;
-}
-#endif
-#endif /* CONFIG_SMP */
-
-/*
- * IRQ Chip for MSI PCI/PCI-X/PCI-Express Devices,
- * which implement the MSI or MSI-X Capability Structure.
- */
-static struct irq_chip msi_chip = {
-	.name		= "PCI-MSI",
-	.unmask		= unmask_msi_irq,
-	.mask		= mask_msi_irq,
-	.ack		= ack_apic_edge,
-#ifdef CONFIG_SMP
-	.set_affinity	= set_msi_irq_affinity,
-#endif
-	.retrigger	= ioapic_retrigger_irq,
-};
-
-#ifdef CONFIG_INTR_REMAP
-static struct irq_chip msi_ir_chip = {
-	.name		= "IR-PCI-MSI",
-	.unmask		= unmask_msi_irq,
-	.mask		= mask_msi_irq,
-	.ack		= ack_x2apic_edge,
-#ifdef CONFIG_SMP
-	.set_affinity	= ir_set_msi_irq_affinity,
-#endif
-	.retrigger	= ioapic_retrigger_irq,
-};
-
-/*
- * Map the PCI dev to the corresponding remapping hardware unit
- * and allocate 'nvec' consecutive interrupt-remapping table entries
- * in it.
- */
-static int msi_alloc_irte(struct pci_dev *dev, int irq, int nvec)
-{
-	struct intel_iommu *iommu;
-	int index;
-
-	iommu = map_dev_to_ir(dev);
-	if (!iommu) {
-		printk(KERN_ERR
-		       "Unable to map PCI %s to iommu\n", pci_name(dev));
-		return -ENOENT;
-	}
-
-	index = alloc_irte(iommu, irq, nvec);
-	if (index < 0) {
-		printk(KERN_ERR
-		       "Unable to allocate %d IRTE for PCI %s\n", nvec,
-		        pci_name(dev));
-		return -ENOSPC;
-	}
-	return index;
-}
-#endif
-
-static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
-{
-	int ret;
-	struct msi_msg msg;
-
-	ret = msi_compose_msg(dev, irq, &msg);
-	if (ret < 0)
-		return ret;
-
-	set_irq_msi(irq, desc);
-	write_msi_msg(irq, &msg);
-
-#ifdef CONFIG_INTR_REMAP
-	if (irq_remapped(irq)) {
-		struct irq_desc *desc = irq_to_desc(irq);
-		/*
-		 * irq migration in process context
-		 */
-		desc->status |= IRQ_MOVE_PCNTXT;
-		set_irq_chip_and_handler_name(irq, &msi_ir_chip, handle_edge_irq, "edge");
-	} else
-#endif
-		set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge");
-
-	return 0;
-}
-
-static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
-{
-	unsigned int irq;
-
-	irq = dev->bus->number;
-	irq <<= 8;
-	irq |= dev->devfn;
-	irq <<= 12;
-
-	return irq;
-}
-
-int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
-{
-	unsigned int irq;
-	int ret;
-	unsigned int irq_want;
-
-	irq_want = build_irq_for_pci_dev(dev) + 0x100;
-
-	irq = create_irq_nr(irq_want);
-	if (irq == 0)
-		return -1;
-
-#ifdef CONFIG_INTR_REMAP
-	if (!intr_remapping_enabled)
-		goto no_ir;
-
-	ret = msi_alloc_irte(dev, irq, 1);
-	if (ret < 0)
-		goto error;
-no_ir:
-#endif
-	ret = setup_msi_irq(dev, desc, irq);
-	if (ret < 0) {
-		destroy_irq(irq);
-		return ret;
-	}
-	return 0;
-
-#ifdef CONFIG_INTR_REMAP
-error:
-	destroy_irq(irq);
-	return ret;
-#endif
-}
-
-int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
-{
-	unsigned int irq;
-	int ret, sub_handle;
-	struct msi_desc *desc;
-	unsigned int irq_want;
-
-#ifdef CONFIG_INTR_REMAP
-	struct intel_iommu *iommu = 0;
-	int index = 0;
-#endif
-
-	irq_want = build_irq_for_pci_dev(dev) + 0x100;
-	sub_handle = 0;
-	list_for_each_entry(desc, &dev->msi_list, list) {
-		irq = create_irq_nr(irq_want--);
-		if (irq == 0)
-			return -1;
-#ifdef CONFIG_INTR_REMAP
-		if (!intr_remapping_enabled)
-			goto no_ir;
-
-		if (!sub_handle) {
-			/*
-			 * allocate the consecutive block of IRTE's
-			 * for 'nvec'
-			 */
-			index = msi_alloc_irte(dev, irq, nvec);
-			if (index < 0) {
-				ret = index;
-				goto error;
-			}
-		} else {
-			iommu = map_dev_to_ir(dev);
-			if (!iommu) {
-				ret = -ENOENT;
-				goto error;
-			}
-			/*
-			 * setup the mapping between the irq and the IRTE
-			 * base index, the sub_handle pointing to the
-			 * appropriate interrupt remap table entry.
-			 */
-			set_irte_irq(irq, iommu, index, sub_handle);
-		}
-no_ir:
-#endif
-		ret = setup_msi_irq(dev, desc, irq);
-		if (ret < 0)
-			goto error;
-		sub_handle++;
-	}
-	return 0;
-
-error:
-	destroy_irq(irq);
-	return ret;
-}
-
-void arch_teardown_msi_irq(unsigned int irq)
-{
-	destroy_irq(irq);
-}
-
-#ifdef CONFIG_DMAR
-#ifdef CONFIG_SMP
-static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
-{
-	struct irq_cfg *cfg;
-	struct msi_msg msg;
-	unsigned int dest;
-	cpumask_t tmp;
-	struct irq_desc *desc;
-
-	cpus_and(tmp, mask, cpu_online_map);
-	if (cpus_empty(tmp))
-		return;
-
-	if (assign_irq_vector(irq, mask))
-		return;
-
-	cfg = irq_cfg(irq);
-	cpus_and(tmp, cfg->domain, mask);
-	dest = cpu_mask_to_apicid(tmp);
-
-	dmar_msi_read(irq, &msg);
-
-	msg.data &= ~MSI_DATA_VECTOR_MASK;
-	msg.data |= MSI_DATA_VECTOR(cfg->vector);
-	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
-	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
-
-	dmar_msi_write(irq, &msg);
-	desc = irq_to_desc(irq);
-	desc->affinity = mask;
-}
-#endif /* CONFIG_SMP */
-
-struct irq_chip dmar_msi_type = {
-	.name = "DMAR_MSI",
-	.unmask = dmar_msi_unmask,
-	.mask = dmar_msi_mask,
-	.ack = ack_apic_edge,
-#ifdef CONFIG_SMP
-	.set_affinity = dmar_msi_set_affinity,
-#endif
-	.retrigger = ioapic_retrigger_irq,
-};
-
-int arch_setup_dmar_msi(unsigned int irq)
-{
-	int ret;
-	struct msi_msg msg;
-
-	ret = msi_compose_msg(NULL, irq, &msg);
-	if (ret < 0)
-		return ret;
-	dmar_msi_write(irq, &msg);
-	set_irq_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq,
-		"edge");
-	return 0;
-}
-#endif
-
-#endif /* CONFIG_PCI_MSI */
-/*
- * Hypertransport interrupt support
- */
-#ifdef CONFIG_HT_IRQ
-
-#ifdef CONFIG_SMP
-
-static void target_ht_irq(unsigned int irq, unsigned int dest, u8 vector)
-{
-	struct ht_irq_msg msg;
-	fetch_ht_irq_msg(irq, &msg);
-
-	msg.address_lo &= ~(HT_IRQ_LOW_VECTOR_MASK | HT_IRQ_LOW_DEST_ID_MASK);
-	msg.address_hi &= ~(HT_IRQ_HIGH_DEST_ID_MASK);
-
-	msg.address_lo |= HT_IRQ_LOW_VECTOR(vector) | HT_IRQ_LOW_DEST_ID(dest);
-	msg.address_hi |= HT_IRQ_HIGH_DEST_ID(dest);
-
-	write_ht_irq_msg(irq, &msg);
-}
-
-static void set_ht_irq_affinity(unsigned int irq, cpumask_t mask)
-{
-	struct irq_cfg *cfg;
-	unsigned int dest;
-	cpumask_t tmp;
-	struct irq_desc *desc;
-
-	cpus_and(tmp, mask, cpu_online_map);
-	if (cpus_empty(tmp))
-		return;
-
-	if (assign_irq_vector(irq, mask))
-		return;
-
-	cfg = irq_cfg(irq);
-	cpus_and(tmp, cfg->domain, mask);
-	dest = cpu_mask_to_apicid(tmp);
-
-	target_ht_irq(irq, dest, cfg->vector);
-	desc = irq_to_desc(irq);
-	desc->affinity = mask;
-}
-#endif
-
-static struct irq_chip ht_irq_chip = {
-	.name		= "PCI-HT",
-	.mask		= mask_ht_irq,
-	.unmask		= unmask_ht_irq,
-	.ack		= ack_apic_edge,
-#ifdef CONFIG_SMP
-	.set_affinity	= set_ht_irq_affinity,
-#endif
-	.retrigger	= ioapic_retrigger_irq,
-};
-
-int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
-{
-	struct irq_cfg *cfg;
-	int err;
-	cpumask_t tmp;
-
-	tmp = TARGET_CPUS;
-	err = assign_irq_vector(irq, tmp);
-	if (!err) {
-		struct ht_irq_msg msg;
-		unsigned dest;
-
-		cfg = irq_cfg(irq);
-		cpus_and(tmp, cfg->domain, tmp);
-		dest = cpu_mask_to_apicid(tmp);
-
-		msg.address_hi = HT_IRQ_HIGH_DEST_ID(dest);
-
-		msg.address_lo =
-			HT_IRQ_LOW_BASE |
-			HT_IRQ_LOW_DEST_ID(dest) |
-			HT_IRQ_LOW_VECTOR(cfg->vector) |
-			((INT_DEST_MODE == 0) ?
-				HT_IRQ_LOW_DM_PHYSICAL :
-				HT_IRQ_LOW_DM_LOGICAL) |
-			HT_IRQ_LOW_RQEOI_EDGE |
-			((INT_DELIVERY_MODE != dest_LowestPrio) ?
-				HT_IRQ_LOW_MT_FIXED :
-				HT_IRQ_LOW_MT_ARBITRATED) |
-			HT_IRQ_LOW_IRQ_MASKED;
-
-		write_ht_irq_msg(irq, &msg);
-
-		set_irq_chip_and_handler_name(irq, &ht_irq_chip,
-					      handle_edge_irq, "edge");
-	}
-	return err;
-}
-#endif /* CONFIG_HT_IRQ */
-
-/* --------------------------------------------------------------------------
-                          ACPI-based IOAPIC Configuration
-   -------------------------------------------------------------------------- */
-
-#ifdef CONFIG_ACPI
-
-#ifdef CONFIG_X86_32
-int __init io_apic_get_unique_id(int ioapic, int apic_id)
-{
-	union IO_APIC_reg_00 reg_00;
-	static physid_mask_t apic_id_map = PHYSID_MASK_NONE;
-	physid_mask_t tmp;
-	unsigned long flags;
-	int i = 0;
-
-	/*
-	 * The P4 platform supports up to 256 APIC IDs on two separate APIC
-	 * buses (one for LAPICs, one for IOAPICs), where predecessors only
-	 * supports up to 16 on one shared APIC bus.
-	 *
-	 * TBD: Expand LAPIC/IOAPIC support on P4-class systems to take full
-	 *      advantage of new APIC bus architecture.
-	 */
-
-	if (physids_empty(apic_id_map))
-		apic_id_map = ioapic_phys_id_map(phys_cpu_present_map);
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	reg_00.raw = io_apic_read(ioapic, 0);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	if (apic_id >= get_physical_broadcast()) {
-		printk(KERN_WARNING "IOAPIC[%d]: Invalid apic_id %d, trying "
-			"%d\n", ioapic, apic_id, reg_00.bits.ID);
-		apic_id = reg_00.bits.ID;
-	}
-
-	/*
-	 * Every APIC in a system must have a unique ID or we get lots of nice
-	 * 'stuck on smp_invalidate_needed IPI wait' messages.
-	 */
-	if (check_apicid_used(apic_id_map, apic_id)) {
-
-		for (i = 0; i < get_physical_broadcast(); i++) {
-			if (!check_apicid_used(apic_id_map, i))
-				break;
-		}
-
-		if (i == get_physical_broadcast())
-			panic("Max apic_id exceeded!\n");
-
-		printk(KERN_WARNING "IOAPIC[%d]: apic_id %d already used, "
-			"trying %d\n", ioapic, apic_id, i);
-
-		apic_id = i;
-	}
-
-	tmp = apicid_to_cpu_present(apic_id);
-	physids_or(apic_id_map, apic_id_map, tmp);
-
-	if (reg_00.bits.ID != apic_id) {
-		reg_00.bits.ID = apic_id;
-
-		spin_lock_irqsave(&ioapic_lock, flags);
-		io_apic_write(ioapic, 0, reg_00.raw);
-		reg_00.raw = io_apic_read(ioapic, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-
-		/* Sanity check */
-		if (reg_00.bits.ID != apic_id) {
-			printk("IOAPIC[%d]: Unable to change apic_id!\n", ioapic);
-			return -1;
-		}
-	}
-
-	apic_printk(APIC_VERBOSE, KERN_INFO
-			"IOAPIC[%d]: Assigned apic_id %d\n", ioapic, apic_id);
-
-	return apic_id;
-}
-
-int __init io_apic_get_version(int ioapic)
-{
-	union IO_APIC_reg_01	reg_01;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	reg_01.raw = io_apic_read(ioapic, 1);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	return reg_01.bits.version;
-}
-#endif
-
-int __init io_apic_get_redir_entries (int ioapic)
-{
-	union IO_APIC_reg_01	reg_01;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	reg_01.raw = io_apic_read(ioapic, 1);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	return reg_01.bits.entries;
-}
-
-
-int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity)
-{
-	if (!IO_APIC_IRQ(irq)) {
-		apic_printk(APIC_QUIET,KERN_ERR "IOAPIC[%d]: Invalid reference to IRQ 0\n",
-			ioapic);
-		return -EINVAL;
-	}
-
-	/*
-	 * IRQs < 16 are already in the irq_2_pin[] map
-	 */
-	if (irq >= 16)
-		add_pin_to_irq(irq, ioapic, pin);
-
-	setup_IO_APIC_irq(ioapic, pin, irq, triggering, polarity);
-
-	return 0;
-}
-
-
-int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
-{
-	int i;
-
-	if (skip_ioapic_setup)
-		return -1;
-
-	for (i = 0; i < mp_irq_entries; i++)
-		if (mp_irqs[i].mp_irqtype == mp_INT &&
-		    mp_irqs[i].mp_srcbusirq == bus_irq)
-			break;
-	if (i >= mp_irq_entries)
-		return -1;
-
-	*trigger = irq_trigger(i);
-	*polarity = irq_polarity(i);
-	return 0;
-}
-
-#endif /* CONFIG_ACPI */
-
-/*
- * This function currently is only a helper for the i386 smp boot process where
- * we need to reprogram the ioredtbls to cater for the cpus which have come online
- * so mask in all cases should simply be TARGET_CPUS
- */
-#ifdef CONFIG_SMP
-void __init setup_ioapic_dest(void)
-{
-	int pin, ioapic, irq, irq_entry;
-	struct irq_cfg *cfg;
-
-	if (skip_ioapic_setup == 1)
-		return;
-
-	for (ioapic = 0; ioapic < nr_ioapics; ioapic++) {
-		for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) {
-			irq_entry = find_irq_entry(ioapic, pin, mp_INT);
-			if (irq_entry == -1)
-				continue;
-			irq = pin_2_irq(irq_entry, ioapic, pin);
-
-			/* setup_IO_APIC_irqs could fail to get vector for some device
-			 * when you have too many devices, because at that time only boot
-			 * cpu is online.
-			 */
-			cfg = irq_cfg(irq);
-			if (!cfg->vector)
-				setup_IO_APIC_irq(ioapic, pin, irq,
-						  irq_trigger(irq_entry),
-						  irq_polarity(irq_entry));
-#ifdef CONFIG_INTR_REMAP
-			else if (intr_remapping_enabled)
-				set_ir_ioapic_affinity_irq(irq, TARGET_CPUS);
-#endif
-			else
-				set_ioapic_affinity_irq(irq, TARGET_CPUS);
-		}
-
-	}
-}
-#endif
-
-#ifdef CONFIG_X86_64
-#define IOAPIC_RESOURCE_NAME_SIZE 11
-
-static struct resource *ioapic_resources;
-
-static struct resource * __init ioapic_setup_resources(void)
-{
-	unsigned long n;
-	struct resource *res;
-	char *mem;
-	int i;
-
-	if (nr_ioapics <= 0)
-		return NULL;
-
-	n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource);
-	n *= nr_ioapics;
-
-	mem = alloc_bootmem(n);
-	res = (void *)mem;
-
-	if (mem != NULL) {
-		mem += sizeof(struct resource) * nr_ioapics;
-
-		for (i = 0; i < nr_ioapics; i++) {
-			res[i].name = mem;
-			res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY;
-			sprintf(mem,  "IOAPIC %u", i);
-			mem += IOAPIC_RESOURCE_NAME_SIZE;
-		}
-	}
-
-	ioapic_resources = res;
-
-	return res;
-}
-#endif
-
-void __init ioapic_init_mappings(void)
-{
-	unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
-	int i;
-#ifdef CONFIG_X86_64
-	struct resource *ioapic_res;
-
-	ioapic_res = ioapic_setup_resources();
-#endif
-	for (i = 0; i < nr_ioapics; i++) {
-		if (smp_found_config) {
-			ioapic_phys = mp_ioapics[i].mp_apicaddr;
-#ifdef CONFIG_X86_32
-                        if (!ioapic_phys) {
-                                printk(KERN_ERR
-                                       "WARNING: bogus zero IO-APIC "
-                                       "address found in MPTABLE, "
-                                       "disabling IO/APIC support!\n");
-                                smp_found_config = 0;
-                                skip_ioapic_setup = 1;
-                                goto fake_ioapic_page;
-                        }
-#endif
-		} else {
-#ifdef CONFIG_X86_32
-fake_ioapic_page:
-#endif
-			ioapic_phys = (unsigned long)
-				alloc_bootmem_pages(PAGE_SIZE);
-			ioapic_phys = __pa(ioapic_phys);
-		}
-		set_fixmap_nocache(idx, ioapic_phys);
-		apic_printk(APIC_VERBOSE,
-			    "mapped IOAPIC to %08lx (%08lx)\n",
-			    __fix_to_virt(idx), ioapic_phys);
-		idx++;
-
-#ifdef CONFIG_X86_64
-		if (ioapic_res != NULL) {
-			ioapic_res->start = ioapic_phys;
-			ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
-			ioapic_res++;
-		}
-#endif
-	}
-}
-
-#ifdef CONFIG_X86_64
-static int __init ioapic_insert_resources(void)
-{
-	int i;
-	struct resource *r = ioapic_resources;
-
-	if (!r) {
-		printk(KERN_ERR
-		       "IO APIC resources could be not be allocated.\n");
-		return -1;
-	}
-
-	for (i = 0; i < nr_ioapics; i++) {
-		insert_resource(&iomem_resource, r);
-		r++;
-	}
-
-	return 0;
-}
-
-/* Insert the IO APIC resources after PCI initialization has occured to handle
- * IO APICS that are mapped in on a BAR in PCI space. */
-late_initcall(ioapic_insert_resources);
-#endif
-- 
GitLab


From c691cc84529ec88ccb32b174535bb61875888c90 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:43 -0700
Subject: [PATCH 0684/2224] io_apic: make 32 bit have io_apic resource in
 /proc/iomem

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index fba6d6ee348..7e303e0967a 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -3802,7 +3802,6 @@ void __init setup_ioapic_dest(void)
 }
 #endif
 
-#ifdef CONFIG_X86_64
 #define IOAPIC_RESOURCE_NAME_SIZE 11
 
 static struct resource *ioapic_resources;
@@ -3838,17 +3837,14 @@ static struct resource * __init ioapic_setup_resources(void)
 
 	return res;
 }
-#endif
 
 void __init ioapic_init_mappings(void)
 {
 	unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
 	int i;
-#ifdef CONFIG_X86_64
 	struct resource *ioapic_res;
 
 	ioapic_res = ioapic_setup_resources();
-#endif
 	for (i = 0; i < nr_ioapics; i++) {
 		if (smp_found_config) {
 			ioapic_phys = mp_ioapics[i].mp_apicaddr;
@@ -3877,17 +3873,14 @@ fake_ioapic_page:
 			    __fix_to_virt(idx), ioapic_phys);
 		idx++;
 
-#ifdef CONFIG_X86_64
 		if (ioapic_res != NULL) {
 			ioapic_res->start = ioapic_phys;
 			ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
 			ioapic_res++;
 		}
-#endif
 	}
 }
 
-#ifdef CONFIG_X86_64
 static int __init ioapic_insert_resources(void)
 {
 	int i;
@@ -3910,4 +3903,3 @@ static int __init ioapic_insert_resources(void)
 /* Insert the IO APIC resources after PCI initialization has occured to handle
  * IO APICS that are mapped in on a BAR in PCI space. */
 late_initcall(ioapic_insert_resources);
-#endif
-- 
GitLab


From 42379b1122bab7f9aefdbd4b7004a6fa89dfbae5 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:45 -0700
Subject: [PATCH 0685/2224] pci: change msi-x vector to 32bit

we are using 28bit pci (bus/dev/fn + 12 bits) as irq number, so the
cache for irq number should be 32 bit too.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/scsi/qla2xxx/qla_def.h | 2 +-
 include/linux/pci.h            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 83c81921677..f25f41a499e 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2108,7 +2108,7 @@ struct scsi_qla_host;
 
 struct qla_msix_entry {
 	int have_irq;
-	uint16_t msix_vector;
+	uint32_t msix_vector;
 	uint16_t msix_entry;
 };
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 98dc6243a70..1f8db240ca4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -723,7 +723,7 @@ enum pci_dma_burst_strategy {
 };
 
 struct msix_entry {
-	u16 	vector;	/* kernel uses to write allocated vector */
+	u32	vector;	/* kernel uses to write allocated vector */
 	u16	entry;	/* driver uses to specify entry, OS writes */
 };
 
-- 
GitLab


From bcd562607f17b0c9f9ae96af849894dd06645f63 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:46 -0700
Subject: [PATCH 0686/2224] x86: irq: interrupt array size should be NR_VECTORS

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-x86/hw_irq.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index 51c787d17cb..39c7a4745d2 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -115,7 +115,7 @@ extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
 #endif
 
 #ifdef CONFIG_X86_32
-extern void (*const interrupt[NR_IRQS])(void);
+extern void (*const interrupt[NR_VECTORS])(void);
 #endif
 
 typedef int vector_irq_t[NR_VECTORS];
-- 
GitLab


From 4e738e2f307113feaedebae147c3e0d072e39648 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:47 -0700
Subject: [PATCH 0687/2224] x86: unify mask_IO_APIC_irq

use MACRO for 32 bit too

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 80 ++++++++++-----------------------------
 1 file changed, 21 insertions(+), 59 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 7e303e0967a..099696109ca 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -610,18 +610,7 @@ static void __init replace_pin_at_irq(unsigned int irq,
 		add_pin_to_irq(irq, newapic, newpin);
 }
 
-#ifdef CONFIG_X86_64
-/*
- * Synchronize the IO-APIC and the CPU by doing
- * a dummy read from the IO-APIC
- */
-static inline void io_apic_sync(unsigned int apic)
-{
-	struct io_apic __iomem *io_apic = io_apic_base(apic);
-	readl(&io_apic->data);
-}
-
-#define __DO_ACTION(R, ACTION, FINAL)					\
+#define __DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL)		\
 									\
 {									\
 	int pin;							\
@@ -636,7 +625,8 @@ static inline void io_apic_sync(unsigned int apic)
 			break;						\
 		pin = entry->pin;					\
 		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
-		reg ACTION;						\
+		reg ACTION_DISABLE;					\
+		reg ACTION_ENABLE;					\
 		io_apic_modify(entry->apic, 0x10 + R + pin*2, reg);	\
 		FINAL;							\
 		if (!entry->next)					\
@@ -645,66 +635,38 @@ static inline void io_apic_sync(unsigned int apic)
 	}								\
 }
 
-#define DO_ACTION(name,R,ACTION, FINAL)					\
+#define DO_ACTION(name,R, ACTION_ENABLE, ACTION_DISABLE, FINAL)		\
 									\
 	static void name##_IO_APIC_irq (unsigned int irq)		\
-	__DO_ACTION(R, ACTION, FINAL)
-
-/* mask = 1 */
-DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, io_apic_sync(entry->apic))
+	__DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL)
 
 /* mask = 0 */
-DO_ACTION(__unmask,	0, &= ~IO_APIC_REDIR_MASKED, )
+DO_ACTION(__unmask,	0, |= 0, &= ~IO_APIC_REDIR_MASKED, )
 
-#else
-
-static void __modify_IO_APIC_irq(unsigned int irq, unsigned long enable, unsigned long disable)
+#ifdef CONFIG_X86_64
+/*
+ * Synchronize the IO-APIC and the CPU by doing
+ * a dummy read from the IO-APIC
+ */
+static inline void io_apic_sync(unsigned int apic)
 {
-	struct irq_cfg *cfg;
-	struct irq_pin_list *entry;
-	unsigned int pin, reg;
-
-	cfg = irq_cfg(irq);
-	entry = cfg->irq_2_pin;
-	for (;;) {
-		if (!entry)
-			break;
-		pin = entry->pin;
-		reg = io_apic_read(entry->apic, 0x10 + pin*2);
-		reg &= ~disable;
-		reg |= enable;
-		io_apic_modify(entry->apic, 0x10 + pin*2, reg);
-		if (!entry->next)
-			break;
-		entry = entry->next;
-	}
+	struct io_apic __iomem *io_apic = io_apic_base(apic);
+	readl(&io_apic->data);
 }
 
 /* mask = 1 */
-static void __mask_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED, 0);
-}
+DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, &= ~0, io_apic_sync(entry->apic))
 
-/* mask = 0 */
-static void __unmask_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, 0, IO_APIC_REDIR_MASKED);
-}
+#else
+
+/* mask = 1 */
+DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, &= ~0, )
 
 /* mask = 1, trigger = 0 */
-static void __mask_and_edge_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_MASKED,
-				IO_APIC_REDIR_LEVEL_TRIGGER);
-}
+DO_ACTION(__mask_and_edge, 0, |= IO_APIC_REDIR_MASKED, &= ~IO_APIC_REDIR_LEVEL_TRIGGER, )
 
 /* mask = 0, trigger = 1 */
-static void __unmask_and_level_IO_APIC_irq(unsigned int irq)
-{
-	__modify_IO_APIC_irq(irq, IO_APIC_REDIR_LEVEL_TRIGGER,
-				IO_APIC_REDIR_MASKED);
-}
+DO_ACTION(__unmask_and_level, 0, |= IO_APIC_REDIR_LEVEL_TRIGGER, &= ~IO_APIC_REDIR_MASKED, )
 
 #endif
 
-- 
GitLab


From 3eb2cce84beae8fd41de950569cafd5bca7edd5d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:48 -0700
Subject: [PATCH 0688/2224] x86: unify ack_apic_edge

use code in 64 to replace
	move_native_irq(irq, desc);
in 32 bit

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 73 +++++++++++++++++++--------------------
 1 file changed, 35 insertions(+), 38 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 099696109ca..a466b04ad5a 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -389,7 +389,6 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned
 	writel(value, &io_apic->data);
 }
 
-#ifdef CONFIG_X86_64
 static bool io_apic_level_ack_pending(unsigned int irq)
 {
 	struct irq_pin_list *entry;
@@ -419,7 +418,6 @@ static bool io_apic_level_ack_pending(unsigned int irq)
 
 	return false;
 }
-#endif
 
 union entry_union {
 	struct { u32 w1, w2; };
@@ -2398,9 +2396,16 @@ static void ack_apic_edge(unsigned int irq)
 	ack_APIC_irq();
 }
 
-#ifdef CONFIG_X86_64
+#ifdef CONFIG_X86_32
+atomic_t irq_mis_count;
+#endif
+
 static void ack_apic_level(unsigned int irq)
 {
+#ifdef CONFIG_X86_32
+	unsigned long v;
+	int i;
+#endif
 	int do_unmask_irq = 0;
 
 	irq_complete_move(irq);
@@ -2412,6 +2417,31 @@ static void ack_apic_level(unsigned int irq)
 	}
 #endif
 
+#ifdef CONFIG_X86_32
+	/*
+	* It appears there is an erratum which affects at least version 0x11
+	* of I/O APIC (that's the 82093AA and cores integrated into various
+	* chipsets).  Under certain conditions a level-triggered interrupt is
+	* erroneously delivered as edge-triggered one but the respective IRR
+	* bit gets set nevertheless.  As a result the I/O unit expects an EOI
+	* message but it will never arrive and further interrupts are blocked
+	* from the source.  The exact reason is so far unknown, but the
+	* phenomenon was observed when two consecutive interrupt requests
+	* from a given source get delivered to the same CPU and the source is
+	* temporarily disabled in between.
+	*
+	* A workaround is to simulate an EOI message manually.  We achieve it
+	* by setting the trigger mode to edge and then to level when the edge
+	* trigger mode gets detected in the TMR of a local APIC for a
+	* level-triggered interrupt.  We mask the source for the time of the
+	* operation to prevent an edge-triggered interrupt escaping meanwhile.
+	* The idea is from Manfred Spraul.  --macro
+	*/
+	i = irq_cfg(irq)->vector;
+
+	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
+#endif
+
 	/*
 	 * We must acknowledge the irq before we move it or the acknowledge will
 	 * not propagate properly.
@@ -2450,41 +2480,8 @@ static void ack_apic_level(unsigned int irq)
 			move_masked_irq(irq);
 		unmask_IO_APIC_irq(irq);
 	}
-}
-#else
-atomic_t irq_mis_count;
-static void ack_apic_level(unsigned int irq)
-{
-	unsigned long v;
-	int i;
-
-	irq_complete_move(irq);
-	move_native_irq(irq);
-	/*
-	* It appears there is an erratum which affects at least version 0x11
-	* of I/O APIC (that's the 82093AA and cores integrated into various
-	* chipsets).  Under certain conditions a level-triggered interrupt is
-	* erroneously delivered as edge-triggered one but the respective IRR
-	* bit gets set nevertheless.  As a result the I/O unit expects an EOI
-	* message but it will never arrive and further interrupts are blocked
-	* from the source.  The exact reason is so far unknown, but the
-	* phenomenon was observed when two consecutive interrupt requests
-	* from a given source get delivered to the same CPU and the source is
-	* temporarily disabled in between.
-	*
-	* A workaround is to simulate an EOI message manually.  We achieve it
-	* by setting the trigger mode to edge and then to level when the edge
-	* trigger mode gets detected in the TMR of a local APIC for a
-	* level-triggered interrupt.  We mask the source for the time of the
-	* operation to prevent an edge-triggered interrupt escaping meanwhile.
-	* The idea is from Manfred Spraul.  --macro
-	*/
-	i = irq_cfg(irq)->vector;
-
-	v = apic_read(APIC_TMR + ((i & ~0x1f) >> 1));
-
-	ack_APIC_irq();
 
+#ifdef CONFIG_X86_32
 	if (!(v & (1 << (i & 0x1f)))) {
 		atomic_inc(&irq_mis_count);
 		spin_lock(&ioapic_lock);
@@ -2492,8 +2489,8 @@ static void ack_apic_level(unsigned int irq)
 		__unmask_and_level_IO_APIC_irq(irq);
 		spin_unlock(&ioapic_lock);
 	}
-}
 #endif
+}
 
 static struct irq_chip ioapic_chip __read_mostly = {
 	.name 		= "IO-APIC",
-- 
GitLab


From 29ccbbf232c035b8c7ff0c5060fbe30a66ed9b99 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:49 -0700
Subject: [PATCH 0689/2224] x86: remove first_free_entry/pin_map_size

no user now

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 7 -------
 arch/x86/kernel/setup.c   | 4 ----
 include/asm-x86/irq.h     | 3 ---
 3 files changed, 14 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index a466b04ad5a..5de2d38812a 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -72,13 +72,6 @@ int sis_apic_bug = -1;
 static DEFINE_SPINLOCK(ioapic_lock);
 static DEFINE_SPINLOCK(vector_lock);
 
-int first_free_entry;
-/*
- * Rough estimation of how many shared IRQs there are, can
- * be changed anytime.
- */
-int pin_map_size;
-
 /*
  * # of IRQ routing registers
  */
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 02e3a669797..d90c659b70e 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1074,10 +1074,6 @@ void __init setup_arch(char **cmdline_p)
 		nr_irqs = 32 * nr_cpu_ids + 224;
 	init_cpu_to_node();
 #endif
-#ifdef CONFIG_X86_IO_APIC
-	pin_map_size = nr_irqs * 2;
-	first_free_entry = nr_irqs;
-#endif
 
 	init_apic_mappings();
 	ioapic_init_mappings();
diff --git a/include/asm-x86/irq.h b/include/asm-x86/irq.h
index 2a130c44f5d..1e5f2909c1d 100644
--- a/include/asm-x86/irq.h
+++ b/include/asm-x86/irq.h
@@ -10,9 +10,6 @@
 #include <asm/apicdef.h>
 #include <asm/irq_vectors.h>
 
-extern int pin_map_size;
-extern int first_free_entry;
-
 static inline int irq_canonicalize(int irq)
 {
 	return ((irq == 2) ? 9 : irq);
-- 
GitLab


From ffd5aae7817fba22c5c3e304a31c44fa0a4e9a97 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:50 -0700
Subject: [PATCH 0690/2224] x86: print local APIC of APs one by one

instead of print that of all APs at the time

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 5de2d38812a..bf0e66d7303 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1777,7 +1777,12 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 
 __apicdebuginit(void) print_all_local_APICs(void)
 {
-	on_each_cpu(print_local_APIC, NULL, 1);
+	int cpu;
+
+	preempt_disable();
+	for_each_online_cpu(cpu)
+		smp_call_function_single(cpu, print_local_APIC, NULL, 1);
+	preempt_enable();
 }
 
 __apicdebuginit(void) print_PIC(void)
-- 
GitLab


From 8f09cd20a24c5f13c571bc73ddcd47be0af3b70f Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:51 -0700
Subject: [PATCH 0691/2224] x86: make HAVE_SPARSE_IRQ support selectable

Ingo said sparse_irq is some intrusive. need to make it selectable

to make it simple, remove irq_desc as parameter in some functions.
(ack, eoi, set_affinity).
may need to make member if irq_chip to take irq_desc, or struct irq later.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/Kconfig              |  3 --
 arch/x86/Kconfig          | 12 ++++++-
 arch/x86/kernel/io_apic.c | 71 +++++++++++++++++++++++++++------------
 arch/x86/kernel/irq_32.c  |  2 +-
 arch/x86/kernel/irq_64.c  |  2 +-
 5 files changed, 62 insertions(+), 28 deletions(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index b3676224626..c8a7c2eb649 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -106,6 +106,3 @@ config HAVE_CLK
 config HAVE_DYN_ARRAY
 	def_bool n
 
-config HAVE_SPARSE_IRQ
-	def_bool n
-
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b157e94637b..600584b7a49 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -34,7 +34,6 @@ config X86
 	select HAVE_GENERIC_DMA_COHERENT if X86_32
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 	select HAVE_DYN_ARRAY
-	select HAVE_SPARSE_IRQ
 
 config ARCH_DEFCONFIG
 	string
@@ -238,6 +237,17 @@ config SMP
 
 	  If you don't know what to do here, say N.
 
+config HAVE_SPARSE_IRQ
+	bool "Support sparse irq numbering"
+	depends on PCI_MSI || HT_IRQ
+	default y
+	help
+	  This enables support for sparse irq, esp for msi/msi-x. the irq
+	  number will be bus/dev/fn + 12bit. You may need if you have lots of
+	  cards supports msi-x installed.
+
+	  If you don't know what to do here, say Y.
+
 config X86_FIND_SMP_CONFIG
 	def_bool y
 	depends on X86_MPPARSE || X86_VOYAGER
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index bf0e66d7303..f853b667fa5 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -107,7 +107,9 @@ struct irq_cfg;
 struct irq_pin_list;
 struct irq_cfg {
 	unsigned int irq;
+#ifdef CONFIG_HAVE_SPARSE_IRQ
 	struct irq_cfg *next;
+#endif
 	struct irq_pin_list *irq_2_pin;
 	cpumask_t domain;
 	cpumask_t old_domain;
@@ -137,20 +139,6 @@ static struct irq_cfg irq_cfg_legacy[] __initdata = {
 };
 
 static struct irq_cfg irq_cfg_init = { .irq =  -1U, };
-/* need to be biger than size of irq_cfg_legacy */
-static int nr_irq_cfg = 32;
-
-static int __init parse_nr_irq_cfg(char *arg)
-{
-	if (arg) {
-		nr_irq_cfg = simple_strtoul(arg, NULL, 0);
-		if (nr_irq_cfg < 32)
-			nr_irq_cfg = 32;
-	}
-	return 0;
-}
-
-early_param("nr_irq_cfg", parse_nr_irq_cfg);
 
 static void init_one_irq_cfg(struct irq_cfg *cfg)
 {
@@ -158,7 +146,9 @@ static void init_one_irq_cfg(struct irq_cfg *cfg)
 }
 
 static struct irq_cfg *irq_cfgx;
+#ifdef CONFIG_HAVE_SPARSE_IRQ
 static struct irq_cfg *irq_cfgx_free;
+#endif
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
@@ -174,15 +164,34 @@ static void __init init_work(void *data)
 	for (i = legacy_count; i < *da->nr; i++)
 		init_one_irq_cfg(&cfg[i]);
 
+#ifdef CONFIG_HAVE_SPARSE_IRQ
 	for (i = 1; i < *da->nr; i++)
 		cfg[i-1].next = &cfg[i];
 
 	irq_cfgx_free = &irq_cfgx[legacy_count];
 	irq_cfgx[legacy_count - 1].next = NULL;
+#endif
+}
+
+#ifdef CONFIG_HAVE_SPARSE_IRQ
+/* need to be biger than size of irq_cfg_legacy */
+static int nr_irq_cfg = 32;
+
+static int __init parse_nr_irq_cfg(char *arg)
+{
+	if (arg) {
+		nr_irq_cfg = simple_strtoul(arg, NULL, 0);
+		if (nr_irq_cfg < 32)
+			nr_irq_cfg = 32;
+	}
+	return 0;
 }
 
-#define for_each_irq_cfg(cfg)		\
-	for (cfg = irq_cfgx; cfg; cfg = cfg->next)
+early_param("nr_irq_cfg", parse_nr_irq_cfg);
+
+#define for_each_irq_cfg(irqX, cfg)           \
+        for (cfg = irq_cfgx, irqX = cfg->irq; cfg; cfg = cfg->next, irqX = cfg ? cfg->irq : -1U)
+
 
 DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
 
@@ -273,7 +282,26 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 #endif
 	return cfg;
 }
+#else
+
+#define for_each_irq_cfg(irq, cfg)		\
+	for (irq = 0, cfg = &irq_cfgx[irq]; irq < nr_irqs; irq++, cfg = &irq_cfgx[irq])
+
+DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work);
 
+struct irq_cfg *irq_cfg(unsigned int irq)
+{
+        if (irq < nr_irqs)
+                return &irq_cfgx[irq];
+
+        return NULL;
+}
+struct irq_cfg *irq_cfg_alloc(unsigned int irq)
+{
+        return irq_cfg(irq);
+}
+
+#endif
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -1282,11 +1310,10 @@ void __setup_vector_irq(int cpu)
 	struct irq_cfg *cfg;
 
 	/* Mark the inuse vectors */
-	for_each_irq_cfg(cfg) {
+	for_each_irq_cfg(irq, cfg) {
 		if (!cpu_isset(cpu, cfg->domain))
 			continue;
 		vector = cfg->vector;
-		irq = cfg->irq;
 		per_cpu(vector_irq, cpu)[vector] = irq;
 	}
 	/* Mark the free vectors */
@@ -1563,6 +1590,7 @@ __apicdebuginit(void) print_IO_APIC(void)
 	union IO_APIC_reg_03 reg_03;
 	unsigned long flags;
 	struct irq_cfg *cfg;
+	unsigned int irq;
 
 	if (apic_verbosity == APIC_QUIET)
 		return;
@@ -1651,11 +1679,11 @@ __apicdebuginit(void) print_IO_APIC(void)
 	}
 	}
 	printk(KERN_DEBUG "IRQ to pin mappings:\n");
-	for_each_irq_cfg(cfg) {
+	for_each_irq_cfg(irq, cfg) {
 		struct irq_pin_list *entry = cfg->irq_2_pin;
 		if (!entry)
 			continue;
-		printk(KERN_DEBUG "IRQ%d ", cfg->irq);
+		printk(KERN_DEBUG "IRQ%d ", irq);
 		for (;;) {
 			printk("-> %d:%d", entry->apic, entry->pin);
 			if (!entry->next)
@@ -2535,8 +2563,7 @@ static inline void init_IO_APIC_traps(void)
 	 * Also, we've got to be careful not to trash gate
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
-	for_each_irq_cfg(cfg) {
-		irq = cfg->irq;
+	for_each_irq_cfg(irq, cfg) {
 		if (IO_APIC_IRQ(irq) && !cfg->vector) {
 			/*
 			 * Hmm.. We don't have an entry for this,
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index cc929f2f84f..b2e1082cf5a 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -269,7 +269,7 @@ int show_interrupts(struct seq_file *p, void *v)
 	struct irqaction * action;
 	unsigned long flags;
 	unsigned int entries;
-	struct irq_desc *desc;
+	struct irq_desc *desc = NULL;
 	int tail = 0;
 
 #ifdef CONFIG_HAVE_SPARSE_IRQ
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 348a11168c2..c2fca89a3f7 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -74,7 +74,7 @@ int show_interrupts(struct seq_file *p, void *v)
 	struct irqaction * action;
 	unsigned long flags;
 	unsigned int entries;
-	struct irq_desc *desc;
+	struct irq_desc *desc = NULL;
 	int tail = 0;
 
 #ifdef CONFIG_HAVE_SPARSE_IRQ
-- 
GitLab


From 9d6a4d0823b3b8e29156f5e698b5a68687afad32 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:52 -0700
Subject: [PATCH 0692/2224] x86: probe nr_irqs even only mptable is used

for !CONFIG_HAVE_SPARSE_IRQ

fix:

 In file included from arch/x86/kernel/early-quirks.c:18:
 include/asm/io_apic.h: In function 'probe_nr_irqs':
 include/asm/io_apic.h:209: error: 'NR_IRQS' undeclared (first use in this function)
 include/asm/io_apic.h:209: error: (Each undeclared identifier is reported only once
 include/asm/io_apic.h:209: error: for each function it appears in.)

v2: fix by Ingo

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/acpi/boot.c | 25 ---------------------
 arch/x86/kernel/io_apic.c   | 43 ++++++++++++++++++++++++++-----------
 arch/x86/kernel/setup.c     |  6 +++---
 include/asm-x86/io_apic.h   |  8 +++++++
 include/asm-x86/mpspec.h    |  1 -
 5 files changed, 41 insertions(+), 42 deletions(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 3e9d163fd92..5fef4fece4a 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -957,29 +957,6 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
 	nr_ioapics++;
 }
 
-int get_nr_irqs_via_madt(void)
-{
-	int idx;
-	int nr = 0;
-
-	for (idx = 0; idx < nr_ioapics; idx++) {
-		if (mp_ioapic_routing[idx].gsi_end > nr)
-			nr = mp_ioapic_routing[idx].gsi_end;
-	}
-
-	nr++;
-
-	/* double it for hotplug and msi and nmi */
-	nr <<= 1;
-
-	/* something wrong ? */
-	if (nr < 32)
-		nr = 32;
-
-	return nr;
-
-}
-
 static void assign_to_mp_irq(struct mp_config_intsrc *m,
 				    struct mp_config_intsrc *mp_irq)
 {
@@ -1278,8 +1255,6 @@ static int __init acpi_parse_madt_ioapic_entries(void)
 	}
 
 
-	nr_irqs = get_nr_irqs_via_madt();
-
 	count =
 	    acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr,
 				  nr_irqs);
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index f853b667fa5..f7e80262cbb 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -3596,6 +3596,36 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 }
 #endif /* CONFIG_HT_IRQ */
 
+int __init io_apic_get_redir_entries (int ioapic)
+{
+	union IO_APIC_reg_01	reg_01;
+	unsigned long flags;
+
+	spin_lock_irqsave(&ioapic_lock, flags);
+	reg_01.raw = io_apic_read(ioapic, 1);
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+
+	return reg_01.bits.entries;
+}
+
+int __init probe_nr_irqs(void)
+{
+	int idx;
+	int nr = 0;
+
+	for (idx = 0; idx < nr_ioapics; idx++)
+		nr += io_apic_get_redir_entries(idx);
+
+	/* double it for hotplug and msi and nmi */
+	nr <<= 1;
+
+	/* something wrong ? */
+	if (nr < 32)
+		nr = 32;
+
+	return nr;
+}
+
 /* --------------------------------------------------------------------------
                           ACPI-based IOAPIC Configuration
    -------------------------------------------------------------------------- */
@@ -3690,19 +3720,6 @@ int __init io_apic_get_version(int ioapic)
 }
 #endif
 
-int __init io_apic_get_redir_entries (int ioapic)
-{
-	union IO_APIC_reg_01	reg_01;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	reg_01.raw = io_apic_read(ioapic, 1);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	return reg_01.bits.entries;
-}
-
-
 int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int polarity)
 {
 	if (!IO_APIC_IRQ(irq)) {
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d90c659b70e..61335306696 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1069,15 +1069,15 @@ void __init setup_arch(char **cmdline_p)
 	prefill_possible_map();
 
 #ifdef CONFIG_X86_64
-	/* need to wait for nr_cpu_ids settle down */
-	if (nr_irqs == NR_IRQS)
-		nr_irqs = 32 * nr_cpu_ids + 224;
 	init_cpu_to_node();
 #endif
 
 	init_apic_mappings();
 	ioapic_init_mappings();
 
+	/* need to wait for io_apic is mapped */
+	nr_irqs = probe_nr_irqs();
+
 	kvm_guest_init();
 
 	e820_reserve_resources();
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h
index ce818292d2c..d35cbd7aa58 100644
--- a/include/asm-x86/io_apic.h
+++ b/include/asm-x86/io_apic.h
@@ -4,6 +4,7 @@
 #include <linux/types.h>
 #include <asm/mpspec.h>
 #include <asm/apicdef.h>
+#include <asm/irq_vectors.h>
 
 /*
  * Intel IO-APIC support for SMP and UP systems.
@@ -187,10 +188,17 @@ extern void restore_IO_APIC_setup(void);
 extern void reinit_intr_remapped_IO_APIC(int);
 #endif
 
+extern int probe_nr_irqs(void);
+
 #else  /* !CONFIG_X86_IO_APIC */
 #define io_apic_assign_pci_irqs 0
 static const int timer_through_8259 = 0;
 static inline void ioapic_init_mappings(void) { }
+
+static inline int probe_nr_irqs(void)
+{
+	return NR_IRQS;
+}
 #endif
 
 #endif /* ASM_X86__IO_APIC_H */
diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h
index a0748021250..be2241a818f 100644
--- a/include/asm-x86/mpspec.h
+++ b/include/asm-x86/mpspec.h
@@ -60,7 +60,6 @@ extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
 				   u32 gsi);
 extern void mp_config_acpi_legacy_irqs(void);
 extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low);
-extern int get_nr_irqs_via_madt(void);
 #ifdef CONFIG_X86_IO_APIC
 extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
 				u32 gsi, int triggering, int polarity);
-- 
GitLab


From 2b46b37de73296018da02c2a421ac2a9cbccfa9f Mon Sep 17 00:00:00 2001
From: Alex Nixon <alex.nixon@citrix.com>
Date: Tue, 19 Aug 2008 20:50:53 -0700
Subject: [PATCH 0693/2224] xen: fix memory access violation bug when
 CONFIG_HAVE_SPARSE_IRQ is enabled

When sparse IRQs are enabled, it is not safe to assume an IRQ descriptor
exists for every possible IRQ.  This patch causes init_evtchn_cpu_bindings
to skip initialisation of IRQ descriptors which don't exist.

Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/xen/events.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 56ace47f24d..e6d47e8ca1a 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -141,6 +141,8 @@ static void init_evtchn_cpu_bindings(void)
 	/* By default all event channels notify CPU#0. */
 	for (i = 0; i < nr_irqs; i++) {
 		struct irq_desc *desc = irq_to_desc(i);
+		if (!desc)
+			continue;
 		desc->affinity = cpumask_of_cpu(0);
 	}
 #endif
-- 
GitLab


From e7f5ed8d6e921c6200ce5e2549a86db629f2dd11 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 19 Aug 2008 20:50:54 -0700
Subject: [PATCH 0694/2224] dyn_array: split dyn_array functions from
 init/main.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 init/Makefile    |   2 +-
 init/dyn_array.c | 124 +++++++++++++++++++++++++++++++++++++++++++++++
 init/main.c      | 118 --------------------------------------------
 3 files changed, 125 insertions(+), 119 deletions(-)
 create mode 100644 init/dyn_array.c

diff --git a/init/Makefile b/init/Makefile
index 4a243df426f..dc5eeca6eb6 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux kernel.
 #
 
-obj-y                          := main.o version.o mounts.o
+obj-y                          := main.o dyn_array.o version.o mounts.o
 ifneq ($(CONFIG_BLK_DEV_INITRD),y)
 obj-y                          += noinitramfs.o
 else
diff --git a/init/dyn_array.c b/init/dyn_array.c
new file mode 100644
index 00000000000..c4cd902a118
--- /dev/null
+++ b/init/dyn_array.c
@@ -0,0 +1,124 @@
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/kallsyms.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/irq.h>
+
+void __init pre_alloc_dyn_array(void)
+{
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned long total_size = 0, size, phys;
+	unsigned long max_align = 1;
+	struct dyn_array **daa;
+	char *ptr;
+
+	/* get the total size at first */
+	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("dyn_array %s ", da->name);
+		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
+			da->size, *da->nr, da->align);
+		total_size += roundup(size, da->align);
+		if (da->align > max_align)
+			max_align = da->align;
+	}
+	if (total_size)
+		printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
+			 total_size);
+	else
+		return;
+
+	/* allocate them all together */
+	max_align = max_t(unsigned long, max_align, PAGE_SIZE);
+	ptr = __alloc_bootmem_nopanic(total_size, max_align, 0);
+	if (!ptr)
+		panic("Can not alloc dyn_alloc\n");
+
+	phys = virt_to_phys(ptr);
+	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("dyn_array %s ", da->name);
+
+		phys = roundup(phys, da->align);
+		*da->name = phys_to_virt(phys);
+		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
+
+		phys += size;
+
+		if (da->init_work)
+			da->init_work(da);
+	}
+#else
+#ifdef CONFIF_GENERIC_HARDIRQS
+	unsigned int i;
+
+	for (i = 0; i < NR_IRQS; i++)
+		irq_desc[i].irq = i;
+#endif
+#endif
+}
+
+unsigned long __init per_cpu_dyn_array_size(unsigned long *align)
+{
+	unsigned long total_size = 0;
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned long size;
+	struct dyn_array **daa;
+	unsigned max_align = 1;
+
+	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
+		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
+			da->size, *da->nr, da->align);
+		total_size += roundup(size, da->align);
+		if (da->align > max_align)
+			max_align = da->align;
+	}
+	if (total_size) {
+		printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
+			 total_size);
+		*align = max_align;
+	}
+#endif
+	return total_size;
+}
+
+void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
+{
+#ifdef CONFIG_HAVE_DYN_ARRAY
+	unsigned long size, phys;
+	struct dyn_array **daa;
+	unsigned long addr;
+	void **array;
+
+	phys = virt_to_phys(ptr);
+	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
+		struct dyn_array *da = *daa;
+
+		size = da->size * (*da->nr);
+		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
+
+		phys = roundup(phys, da->align);
+		addr = (unsigned long)da->name;
+		addr += per_cpu_offset(cpu);
+		array = (void **)addr;
+		*array = phys_to_virt(phys);
+		*da->name = *array; /* so init_work could use it directly */
+		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
+
+		phys += size;
+
+		if (da->init_work) {
+			da->init_work(da);
+		}
+	}
+#endif
+}
diff --git a/init/main.c b/init/main.c
index 0d2e60144f8..e81cf427d9c 100644
--- a/init/main.c
+++ b/init/main.c
@@ -542,124 +542,6 @@ void __init __weak thread_info_cache_init(void)
 {
 }
 
-void pre_alloc_dyn_array(void)
-{
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned long total_size = 0, size, phys;
-	unsigned long max_align = 1;
-	struct dyn_array **daa;
-	char *ptr;
-
-	/* get the total size at first */
-	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("dyn_array %s ", da->name);
-		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
-			da->size, *da->nr, da->align);
-		total_size += roundup(size, da->align);
-		if (da->align > max_align)
-			max_align = da->align;
-	}
-	if (total_size)
-		printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
-			 total_size);
-	else
-		return;
-
-	/* allocate them all together */
-	max_align = max_t(unsigned long, max_align, PAGE_SIZE);
-	ptr = __alloc_bootmem_nopanic(total_size, max_align, 0);
-	if (!ptr)
-		panic("Can not alloc dyn_alloc\n");
-
-	phys = virt_to_phys(ptr);
-	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("dyn_array %s ", da->name);
-
-		phys = roundup(phys, da->align);
-		*da->name = phys_to_virt(phys);
-		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
-
-		phys += size;
-
-		if (da->init_work)
-			da->init_work(da);
-	}
-#else
-#ifdef CONFIF_GENERIC_HARDIRQS
-	unsigned int i;
-
-	for (i = 0; i < NR_IRQS; i++)
-		irq_desc[i].irq = i;
-#endif
-#endif
-}
-
-unsigned long per_cpu_dyn_array_size(unsigned long *align)
-{
-	unsigned long total_size = 0;
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned long size;
-	struct dyn_array **daa;
-	unsigned max_align = 1;
-
-	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
-		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
-			da->size, *da->nr, da->align);
-		total_size += roundup(size, da->align);
-		if (da->align > max_align)
-			max_align = da->align;
-	}
-	if (total_size) {
-		printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
-			 total_size);
-		*align = max_align;
-	}
-#endif
-	return total_size;
-}
-
-void per_cpu_alloc_dyn_array(int cpu, char *ptr)
-{
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned long size, phys;
-	struct dyn_array **daa;
-	unsigned long addr;
-	void **array;
-
-	phys = virt_to_phys(ptr);
-	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
-
-		phys = roundup(phys, da->align);
-		addr = (unsigned long)da->name;
-		addr += per_cpu_offset(cpu);
-		array = (void **)addr;
-		*array = phys_to_virt(phys);
-		*da->name = *array; /* so init_work could use it directly */
-		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
-
-		phys += size;
-
-		if (da->init_work) {
-			da->init_work(da);
-		}
-	}
-#endif
-}
-
 asmlinkage void __init start_kernel(void)
 {
 	char * command_line;
-- 
GitLab


From bf9d3cf73e8caf0b3ae0b7f508a9f251536f5ff4 Mon Sep 17 00:00:00 2001
From: Alex Nixon <alex.nixon@citrix.com>
Date: Mon, 18 Aug 2008 22:17:08 -0700
Subject: [PATCH 0695/2224] xen: Fix bug `do_IRQ: cannot handle IRQ -1 vector
 0x6 cpu 1'

Following commit 9c3f2468d8339866d9ef6a25aae31a8909c6be0d, do_IRQ()
looks up the IRQ number in the per-cpu variable vector_irq.

This commit makes Xen initialise an identity vector_irq map for both X86_32 and X86_64.

Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/xen/irq.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c
index 28b85ab8422..bb042608c60 100644
--- a/arch/x86/xen/irq.c
+++ b/arch/x86/xen/irq.c
@@ -21,7 +21,6 @@ void xen_force_evtchn_callback(void)
 
 static void __init __xen_init_IRQ(void)
 {
-#ifdef CONFIG_X86_64
 	int i;
 
 	/* Create identity vector->irq map */
@@ -31,7 +30,6 @@ static void __init __xen_init_IRQ(void)
 		for_each_possible_cpu(cpu)
 			per_cpu(vector_irq, cpu)[i] = i;
 	}
-#endif	/* CONFIG_X86_64 */
 
 	xen_init_IRQ();
 }
-- 
GitLab


From 0c425cec64eb0c0d0dd7037c21a25585cbe3636c Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 18 Aug 2008 13:04:26 +0200
Subject: [PATCH 0696/2224] warning: fix arch x86 kernel io_apic c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

fix warning:

  arch/x86/kernel/io_apic.c: In function ‘print_local_APIC’:
  arch/x86/kernel/io_apic.c:1786: warning: format ‘%08x’ expects type ‘unsigned int’, but argument 2 has type ‘u64’
  arch/x86/kernel/io_apic.c:1787: warning: format ‘%08x’ expects type ‘unsigned int’, but argument 2 has type ‘u64’

By creating uniform behavior on 32-bit and 64-bit and printing out the ICR
value in two 32-bit words.

Code has changed:

   text	   data	    bss	    dec	    hex	filename
  22901	  19650	  17040	  59591	   e8c7	io_apic.o.before
  22899	  19650	  17040	  59589	   e8c5	io_apic.o.after

Due to the 32-bit cast narrowing the printed out value on 64-bit.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index f7e80262cbb..34c74cf5c24 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1774,8 +1774,8 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 	}
 
 	icr = apic_icr_read();
-	printk(KERN_DEBUG "... APIC ICR: %08x\n", icr);
-	printk(KERN_DEBUG "... APIC ICR2: %08x\n", icr >> 32);
+	printk(KERN_DEBUG "... APIC ICR: %08x\n", (u32)icr);
+	printk(KERN_DEBUG "... APIC ICR2: %08x\n", (u32)(icr >> 32));
 
 	v = apic_read(APIC_LVTT);
 	printk(KERN_DEBUG "... APIC LVTT: %08x\n", v);
-- 
GitLab


From 7ddfb650c7ef7a33a5ef11c0fdf5b3d837a47dba Mon Sep 17 00:00:00 2001
From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Wed, 20 Aug 2008 17:22:51 -0700
Subject: [PATCH 0697/2224] sparseirq: fix intr-remap with dyn_array/nr_irqs
 changes]

In irq_2_iommu_alloc() and set_irte_irq(), irq_to_desc or
irq_2_iommu pointers may not be allocated. So use the routines
which will allocate them if they are not already allocated.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/intr_remapping.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 23372c81115..2dcf973890c 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -76,9 +76,10 @@ static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
 	struct irq_desc *desc;
 	struct irq_2_iommu *irq_iommu;
 
-	desc = irq_to_desc(irq);
-
-	BUG_ON(!desc);
+	/*
+	 * alloc irq desc if not allocated already.
+	 */
+	desc = irq_to_desc_alloc(irq);
 
 	irq_iommu = desc->irq_2_iommu;
 
@@ -255,11 +256,8 @@ int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index, u16 subhandle)
 	struct irq_2_iommu *irq_iommu;
 
 	spin_lock(&irq_2_ir_lock);
-	irq_iommu = valid_irq_2_iommu(irq);
-	if (!irq_iommu) {
-		spin_unlock(&irq_2_ir_lock);
-		return -1;
-	}
+
+	irq_iommu = irq_2_iommu_alloc(irq);
 
 	irq_iommu->iommu = iommu;
 	irq_iommu->irte_index = index;
-- 
GitLab


From e89eb43863c2d9f11a3bbe766766fe646e6c50d9 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 20 Aug 2008 20:46:25 -0700
Subject: [PATCH 0698/2224] x86: sparse_irq needs spin_lock in allocations

Suresh Siddha noticed that we should have a spinlock around it.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 13 ++++++++++++-
 kernel/irq/handle.c       | 13 ++++++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 34c74cf5c24..7ca55669047 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -146,6 +146,12 @@ static void init_one_irq_cfg(struct irq_cfg *cfg)
 }
 
 static struct irq_cfg *irq_cfgx;
+
+/*
+ * Protect the irq_cfgx_free freelist:
+ */
+static DEFINE_SPINLOCK(irq_cfg_lock);
+
 #ifdef CONFIG_HAVE_SPARSE_IRQ
 static struct irq_cfg *irq_cfgx_free;
 #endif
@@ -213,8 +219,9 @@ static struct irq_cfg *irq_cfg(unsigned int irq)
 static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 {
 	struct irq_cfg *cfg, *cfg_pri;
-	int i;
+	unsigned long flags;
 	int count = 0;
+	int i;
 
 	cfg_pri = cfg = irq_cfgx;
 	while (cfg) {
@@ -226,6 +233,7 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 		count++;
 	}
 
+	spin_lock_irqsave(&irq_cfg_lock, flags);
 	if (!irq_cfgx_free) {
 		unsigned long phys;
 		unsigned long total_bytes;
@@ -263,6 +271,9 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 	else
 		irq_cfgx = cfg;
 	cfg->irq = irq;
+
+	spin_unlock_irqrestore(&irq_cfg_lock, flags);
+
 	printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq);
 #ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
 	{
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 24c83a3cee4..d638a911cbc 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -107,6 +107,11 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
 	}
 }
 
+/*
+ * Protect the sparse_irqs_free freelist:
+ */
+static DEFINE_SPINLOCK(sparse_irq_lock);
+
 #ifdef CONFIG_HAVE_SPARSE_IRQ
 static struct irq_desc *sparse_irqs_free;
 struct irq_desc *sparse_irqs;
@@ -166,11 +171,13 @@ struct irq_desc *irq_to_desc(unsigned int irq)
 	}
 	return NULL;
 }
+
 struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 {
 	struct irq_desc *desc, *desc_pri;
-	int i;
+	unsigned long flags;
 	int count = 0;
+	int i;
 
 	desc_pri = desc = sparse_irqs;
 	while (desc) {
@@ -182,6 +189,7 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 		count++;
 	}
 
+	spin_lock_irqsave(&sparse_irq_lock, flags);
 	/*
 	 *  we run out of pre-allocate ones, allocate more
 	 */
@@ -223,6 +231,9 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 	else
 		sparse_irqs = desc;
 	desc->irq = irq;
+
+	spin_unlock_irqrestore(&sparse_irq_lock, flags);
+
 	printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq);
 #ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
 	{
-- 
GitLab


From a2d332fa3445160519de03c350a59602ac1c3df9 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Thu, 21 Aug 2008 12:56:32 -0700
Subject: [PATCH 0699/2224] x86: fix 32-bit ioapic lockup with sparseirqs

Missed two lines when copying.

Fix panic on one of Ingo's machines that need to adjust ioapic id when
acpi off/ 32bit.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 7ca55669047..4e44fd1f466 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -2077,6 +2077,8 @@ static void __init setup_ioapic_ids_from_mpc(void)
 
 		reg_00.bits.ID = mp_ioapics[apic].mp_apicid;
 		spin_lock_irqsave(&ioapic_lock, flags);
+		io_apic_write(apic, 0, reg_00.raw);
+		spin_unlock_irqrestore(&ioapic_lock, flags);
 
 		/*
 		 * Sanity check
-- 
GitLab


From 052c0bff9b83a578654dfa513d6e3d0b3795f1e8 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Thu, 21 Aug 2008 13:10:09 -0700
Subject: [PATCH 0700/2224] x86: fix probe_nr_irqs for xen

otherwise Xen is _completely_ unusable with 5 or more VCPUs.
(when !CONFIG_HAVE_SPARSE_IRQ).

based on Alex Nixon's patch.

also add +1 offset after redir_entries

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Alex Nixon <alex.nixon@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 4e44fd1f466..d28128e0392 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -3625,16 +3625,21 @@ int __init probe_nr_irqs(void)
 {
 	int idx;
 	int nr = 0;
+#ifndef CONFIG_XEN
+	int nr_min = 32;
+#else
+	int nr_min = NR_IRQS;
+#endif
 
 	for (idx = 0; idx < nr_ioapics; idx++)
-		nr += io_apic_get_redir_entries(idx);
+		nr += io_apic_get_redir_entries(idx) + 1;
 
 	/* double it for hotplug and msi and nmi */
 	nr <<= 1;
 
 	/* something wrong ? */
-	if (nr < 32)
-		nr = 32;
+	if (nr < nr_min)
+		nr = nr_min;
 
 	return nr;
 }
-- 
GitLab


From 2699574b3c04351f5a23c8a842e17c303d7ebb6f Mon Sep 17 00:00:00 2001
From: Alok Kataria <akataria@vmware.com>
Date: Thu, 21 Aug 2008 11:26:43 -0700
Subject: [PATCH 0701/2224] x86: VMI, initialize IRQ vector

Initialize vector_irq for the vmi used vector, to point to correct irq.

Signed-off-by: Alok N Kataria <akataria@vmware.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/vmiclock_32.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c
index 6953859fe28..254ee07f863 100644
--- a/arch/x86/kernel/vmiclock_32.c
+++ b/arch/x86/kernel/vmiclock_32.c
@@ -235,11 +235,14 @@ static void __devinit vmi_time_init_clockevent(void)
 
 void __init vmi_time_init(void)
 {
+	unsigned int cpu;
 	/* Disable PIT: BIOSes start PIT CH0 with 18.2hz peridic. */
 	outb_pit(0x3a, PIT_MODE); /* binary, mode 5, LSB/MSB, ch 0 */
 
 	vmi_time_init_clockevent();
 	setup_irq(0, &vmi_clock_action);
+	for_each_possible_cpu(cpu)
+		per_cpu(vector_irq, cpu)[vmi_get_timer_vector()] = 0;
 }
 
 #ifdef CONFIG_X86_LOCAL_APIC
-- 
GitLab


From db4b5525caafd846ec20f95afbc6403c792e22cf Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 24 Aug 2008 02:01:39 -0700
Subject: [PATCH 0702/2224] x86: apic_64.c - setup_APIC_timer has to be
 __cpuinit function

There is no need to hold this code if CPU_HOTPLUG is not
defined.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index cd860856a0b..8f551276681 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -400,7 +400,7 @@ static void lapic_timer_broadcast(cpumask_t mask)
  * Setup the local APIC timer for this CPU. Copy the initilized values
  * of the boot CPU and register the clock event in the framework.
  */
-static void setup_APIC_timer(void)
+static void __cpuinit setup_APIC_timer(void)
 {
 	struct clock_event_device *levt = &__get_cpu_var(lapic_events);
 
-- 
GitLab


From 7c37e48b5125fdb0acac846a0a3af42806175d44 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 24 Aug 2008 02:01:40 -0700
Subject: [PATCH 0703/2224] x86: apic - introduce get_physical_broadcast for
 64bit

We don't really use it now on 64bit mode but
could reserve it for future.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_64.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 8f551276681..bb46711a0b1 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -244,6 +244,16 @@ void __cpuinit enable_NMI_through_LVT0(void)
 	apic_write(APIC_LVT0, v);
 }
 
+#ifdef CONFIG_X86_32
+/**
+ * get_physical_broadcast - Get number of physical broadcast IDs
+ */
+int get_physical_broadcast(void)
+{
+	return modern_apic() ? 0xff : 0xf;
+}
+#endif
+
 /**
  * lapic_get_maxlvt - get the maximum number of local vector table entries
  */
-- 
GitLab


From 920fa7a507c3b1004a9ebe07a2c9d38605b3406a Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 24 Aug 2008 02:01:41 -0700
Subject: [PATCH 0704/2224] x86: apic - unify setup_apicpmtimer

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 10 ++++++++++
 arch/x86/kernel/apic_64.c |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 21c831d96af..df6ed603e54 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1774,6 +1774,16 @@ static int __init parse_nolapic_timer(char *arg)
 }
 early_param("nolapic_timer", parse_nolapic_timer);
 
+#ifdef CONFIG_X86_64
+static __init int setup_apicpmtimer(char *s)
+{
+	apic_calibrate_pmtmr = 1;
+	notsc_setup(NULL);
+	return 0;
+}
+__setup("apicpmtimer", setup_apicpmtimer);
+#endif
+
 static int __init apic_set_verbosity(char *arg)
 {
 	if (!arg)  {
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index bb46711a0b1..ddc5b245faf 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1810,6 +1810,7 @@ static int __init parse_nolapic_timer(char *arg)
 }
 early_param("nolapic_timer", parse_nolapic_timer);
 
+#ifdef CONFIG_X86_64
 static __init int setup_apicpmtimer(char *s)
 {
 	apic_calibrate_pmtmr = 1;
@@ -1817,6 +1818,7 @@ static __init int setup_apicpmtimer(char *s)
 	return 0;
 }
 __setup("apicpmtimer", setup_apicpmtimer);
+#endif
 
 static int __init apic_set_verbosity(char *arg)
 {
-- 
GitLab


From 80e5609cabd7e4321769701a70297f819a15b08d Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 24 Aug 2008 02:01:42 -0700
Subject: [PATCH 0705/2224] x86: apic_64.c - add sanity check for spurious
 vector definition

Do not check for SPUTIOUS_APIC_VECTOR definition twice.
Check it once - is what we need.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_64.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index ddc5b245faf..4587e16f73e 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -46,6 +46,13 @@
 #include <mach_ipi.h>
 #include <mach_apic.h>
 
+/*
+ * Sanity check
+ */
+#if ((SPURIOUS_APIC_VECTOR & 0x0F) != 0x0F)
+# error SPURIOUS_APIC_VECTOR definition error
+#endif
+
 /* Disable local APIC timer from the kernel commandline or via dmi quirk */
 static int disable_apic_timer __cpuinitdata;
 static int apic_calibrate_pmtmr __initdata;
@@ -939,8 +946,6 @@ void __cpuinit setup_local_APIC(void)
 	preempt_disable();
 	value = apic_read(APIC_LVR);
 
-	BUILD_BUG_ON((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f);
-
 	/*
 	 * Double-check whether this APIC is really registered.
 	 * This is meaningless in clustered apic mode, so we skip it.
-- 
GitLab


From 89c38c2867ebe37c4c5aee23e7fa1bffb025b171 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 24 Aug 2008 02:01:43 -0700
Subject: [PATCH 0706/2224] x86: apic - unify setup_local_APIC

- remove useless read of APIC_LVR
- wrap with preempt_disable/enable
- check for integrated APIC just in place

v2: fix by Yinghai Lu.
	fix lapic_is_integrated using
	let 64-bit too have pic_mode

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 21 ++++++++++++----
 arch/x86/kernel/apic_64.c | 51 +++++++++++++++++++++++++++++++++++----
 2 files changed, 62 insertions(+), 10 deletions(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index df6ed603e54..f8c1251984e 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1033,9 +1033,10 @@ static void __cpuinit lapic_setup_esr(void)
  */
 void __cpuinit setup_local_APIC(void)
 {
-	unsigned long value, integrated;
+	unsigned int value;
 	int i, j;
 
+#ifdef CONFIG_X86_32
 	/* Pound the ESR really hard over the head with a big hammer - mbligh */
 	if (esr_disable) {
 		apic_write(APIC_ESR, 0);
@@ -1043,14 +1044,16 @@ void __cpuinit setup_local_APIC(void)
 		apic_write(APIC_ESR, 0);
 		apic_write(APIC_ESR, 0);
 	}
+#endif
 
-	integrated = lapic_is_integrated();
+	preempt_disable();
 
 	/*
 	 * Double-check whether this APIC is really registered.
+	 * This is meaningless in clustered apic mode, so we skip it.
 	 */
 	if (!apic_id_registered())
-		WARN_ON_ONCE(1);
+		BUG();
 
 	/*
 	 * Intel recommends to set DFR, LDR and TPR before enabling
@@ -1096,6 +1099,7 @@ void __cpuinit setup_local_APIC(void)
 	 */
 	value |= APIC_SPIV_APIC_ENABLED;
 
+#ifdef CONFIG_X86_32
 	/*
 	 * Some unknown Intel IO/APIC (or APIC) errata is biting us with
 	 * certain networking cards. If high frequency interrupts are
@@ -1116,8 +1120,13 @@ void __cpuinit setup_local_APIC(void)
 	 * See also the comment in end_level_ioapic_irq().  --macro
 	 */
 
-	/* Enable focus processor (bit==0) */
+	/*
+	 * - enable focus processor (bit==0)
+	 * - 64bit mode always use processor focus
+	 *   so no need to set it
+	 */
 	value &= ~APIC_SPIV_FOCUS_DISABLED;
+#endif
 
 	/*
 	 * Set spurious IRQ vector
@@ -1154,9 +1163,11 @@ void __cpuinit setup_local_APIC(void)
 		value = APIC_DM_NMI;
 	else
 		value = APIC_DM_NMI | APIC_LVT_MASKED;
-	if (!integrated)		/* 82489DX */
+	if (!lapic_is_integrated())		/* 82489DX */
 		value |= APIC_LVT_LEVEL_TRIGGER;
 	apic_write(APIC_LVT1, value);
+
+	preempt_enable();
 }
 
 void __cpuinit end_local_APIC_setup(void)
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 4587e16f73e..283968d4e02 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -76,6 +76,8 @@ char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE};
  */
 unsigned int apic_verbosity;
 
+int pic_mode;
+
 /* Have we found an MP table */
 int smp_found_config;
 
@@ -943,8 +945,17 @@ void __cpuinit setup_local_APIC(void)
 	unsigned int value;
 	int i, j;
 
+#ifdef CONFIG_X86_32
+	/* Pound the ESR really hard over the head with a big hammer - mbligh */
+	if (esr_disable) {
+		apic_write(APIC_ESR, 0);
+		apic_write(APIC_ESR, 0);
+		apic_write(APIC_ESR, 0);
+		apic_write(APIC_ESR, 0);
+	}
+#endif
+
 	preempt_disable();
-	value = apic_read(APIC_LVR);
 
 	/*
 	 * Double-check whether this APIC is really registered.
@@ -997,7 +1008,34 @@ void __cpuinit setup_local_APIC(void)
 	 */
 	value |= APIC_SPIV_APIC_ENABLED;
 
-	/* We always use processor focus */
+#ifdef CONFIG_X86_32
+	/*
+	 * Some unknown Intel IO/APIC (or APIC) errata is biting us with
+	 * certain networking cards. If high frequency interrupts are
+	 * happening on a particular IOAPIC pin, plus the IOAPIC routing
+	 * entry is masked/unmasked at a high rate as well then sooner or
+	 * later IOAPIC line gets 'stuck', no more interrupts are received
+	 * from the device. If focus CPU is disabled then the hang goes
+	 * away, oh well :-(
+	 *
+	 * [ This bug can be reproduced easily with a level-triggered
+	 *   PCI Ne2000 networking cards and PII/PIII processors, dual
+	 *   BX chipset. ]
+	 */
+	/*
+	 * Actually disabling the focus CPU check just makes the hang less
+	 * frequent as it makes the interrupt distributon model be more
+	 * like LRU than MRU (the short-term load is more even across CPUs).
+	 * See also the comment in end_level_ioapic_irq().  --macro
+	 */
+
+	/*
+	 * - enable focus processor (bit==0)
+	 * - 64bit mode always use processor focus
+	 *   so no need to set it
+	 */
+	value &= ~APIC_SPIV_FOCUS_DISABLED;
+#endif
 
 	/*
 	 * Set spurious IRQ vector
@@ -1016,14 +1054,14 @@ void __cpuinit setup_local_APIC(void)
 	 * TODO: set up through-local-APIC from through-I/O-APIC? --macro
 	 */
 	value = apic_read(APIC_LVT0) & APIC_LVT_MASKED;
-	if (!smp_processor_id() && !value) {
+	if (!smp_processor_id() && (pic_mode || !value)) {
 		value = APIC_DM_EXTINT;
 		apic_printk(APIC_VERBOSE, "enabled ExtINT on CPU#%d\n",
-			    smp_processor_id());
+				smp_processor_id());
 	} else {
 		value = APIC_DM_EXTINT | APIC_LVT_MASKED;
 		apic_printk(APIC_VERBOSE, "masked ExtINT on CPU#%d\n",
-			    smp_processor_id());
+				smp_processor_id());
 	}
 	apic_write(APIC_LVT0, value);
 
@@ -1034,7 +1072,10 @@ void __cpuinit setup_local_APIC(void)
 		value = APIC_DM_NMI;
 	else
 		value = APIC_DM_NMI | APIC_LVT_MASKED;
+	if (!lapic_is_integrated())		/* 82489DX */
+		value |= APIC_LVT_LEVEL_TRIGGER;
 	apic_write(APIC_LVT1, value);
+
 	preempt_enable();
 }
 
-- 
GitLab


From 457cc52d4670bcf1470606a108bbf35aac28eb7f Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 24 Aug 2008 02:01:44 -0700
Subject: [PATCH 0707/2224] x86: apic_32.c should use __cpuinit section

All callers are __init or __cpuinit so there is no need
to hold this code without CPU_HOTPLUG being set.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index f8c1251984e..4ca3717b302 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -383,7 +383,7 @@ static void lapic_timer_broadcast(cpumask_t mask)
  * Setup the local APIC timer for this CPU. Copy the initilized values
  * of the boot CPU and register the clock event in the framework.
  */
-static void __devinit setup_APIC_timer(void)
+static void __cpuinit setup_APIC_timer(void)
 {
 	struct clock_event_device *levt = &__get_cpu_var(lapic_events);
 
@@ -652,7 +652,7 @@ void __init setup_boot_APIC_clock(void)
 	setup_APIC_timer();
 }
 
-void __devinit setup_secondary_APIC_clock(void)
+void __cpuinit setup_secondary_APIC_clock(void)
 {
 	setup_APIC_timer();
 }
@@ -1713,7 +1713,7 @@ static struct sys_device device_lapic = {
 	.cls	= &lapic_sysclass,
 };
 
-static void __devinit apic_pm_activate(void)
+static void __cpuinit apic_pm_activate(void)
 {
 	apic_pm_state.active = 1;
 }
-- 
GitLab


From 6460bc73aac970135104a0bc407c2c8b85394d59 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 24 Aug 2008 02:01:45 -0700
Subject: [PATCH 0708/2224] x86: apic - unify smp_apic_timer_interrupt

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 3 +++
 arch/x86/kernel/apic_64.c | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 4ca3717b302..913d9924b10 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -718,6 +718,9 @@ void smp_apic_timer_interrupt(struct pt_regs *regs)
 	 * Besides, if we don't timer interrupts ignore the global
 	 * interrupt lock, which is the WrongThing (tm) to do.
 	 */
+#ifdef CONFIG_X86_64
+	exit_idle();
+#endif
 	irq_enter();
 	local_apic_timer_interrupt();
 	irq_exit();
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 283968d4e02..2e109119f64 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -625,7 +625,9 @@ void smp_apic_timer_interrupt(struct pt_regs *regs)
 	 * Besides, if we don't timer interrupts ignore the global
 	 * interrupt lock, which is the WrongThing (tm) to do.
 	 */
+#ifdef CONFIG_X86_64
 	exit_idle();
+#endif
 	irq_enter();
 	local_apic_timer_interrupt();
 	irq_exit();
-- 
GitLab


From b3c5117050e8028d48b2fa0ea09c7a50dd7f3414 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:46 -0700
Subject: [PATCH 0709/2224] x86: apic_xx.c order variables

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 46 +++++++++++++++++++------------------
 arch/x86/kernel/apic_64.c | 48 ++++++++++++++++++++++++++-------------
 2 files changed, 56 insertions(+), 38 deletions(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 913d9924b10..a54512bea62 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -50,16 +50,37 @@
 # error SPURIOUS_APIC_VECTOR definition error
 #endif
 
-unsigned long mp_lapic_addr;
-
+#ifdef CONFIG_X86_32
 /*
  * Knob to control our willingness to enable the local APIC.
  *
  * +1=force-enable
  */
 static int force_enable_local_apic;
-int disable_apic;
+/*
+ * APIC command line parameters
+ */
+static int __init parse_lapic(char *arg)
+{
+	force_enable_local_apic = 1;
+	return 0;
+}
+early_param("lapic", parse_lapic);
+#endif
 
+#ifdef CONFIG_X86_64
+static int apic_calibrate_pmtmr __initdata;
+static __init int setup_apicpmtimer(char *s)
+{
+	apic_calibrate_pmtmr = 1;
+	notsc_setup(NULL);
+	return 0;
+}
+__setup("apicpmtimer", setup_apicpmtimer);
+#endif
+
+unsigned long mp_lapic_addr;
+int disable_apic;
 /* Disable local APIC timer from the kernel commandline or via dmi quirk */
 static int disable_apic_timer __cpuinitdata;
 /* Local APIC timer works in C2 */
@@ -1742,15 +1763,6 @@ static void apic_pm_activate(void) { }
 
 #endif	/* CONFIG_PM */
 
-/*
- * APIC command line parameters
- */
-static int __init parse_lapic(char *arg)
-{
-	force_enable_local_apic = 1;
-	return 0;
-}
-early_param("lapic", parse_lapic);
 
 static int __init setup_disableapic(char *arg)
 {
@@ -1788,16 +1800,6 @@ static int __init parse_nolapic_timer(char *arg)
 }
 early_param("nolapic_timer", parse_nolapic_timer);
 
-#ifdef CONFIG_X86_64
-static __init int setup_apicpmtimer(char *s)
-{
-	apic_calibrate_pmtmr = 1;
-	notsc_setup(NULL);
-	return 0;
-}
-__setup("apicpmtimer", setup_apicpmtimer);
-#endif
-
 static int __init apic_set_verbosity(char *arg)
 {
 	if (!arg)  {
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 2e109119f64..c40a900e155 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -53,16 +53,44 @@
 # error SPURIOUS_APIC_VECTOR definition error
 #endif
 
-/* Disable local APIC timer from the kernel commandline or via dmi quirk */
-static int disable_apic_timer __cpuinitdata;
+#ifdef CONFIG_X86_32
+/*
+ * Knob to control our willingness to enable the local APIC.
+ *
+ * +1=force-enable
+ */
+static int force_enable_local_apic;
+/*
+ * APIC command line parameters
+ */
+static int __init parse_lapic(char *arg)
+{
+	force_enable_local_apic = 1;
+	return 0;
+}
+early_param("lapic", parse_lapic);
+#endif
+
+#ifdef CONFIG_X86_64
 static int apic_calibrate_pmtmr __initdata;
-int disable_apic;
+static __init int setup_apicpmtimer(char *s)
+{
+	apic_calibrate_pmtmr = 1;
+	notsc_setup(NULL);
+	return 0;
+}
+__setup("apicpmtimer", setup_apicpmtimer);
+#endif
+
 int disable_x2apic;
 int x2apic;
-
 /* x2apic enabled before OS handover */
 int x2apic_preenabled;
 
+unsigned long mp_lapic_addr;
+int disable_apic;
+/* Disable local APIC timer from the kernel commandline or via dmi quirk */
+static int disable_apic_timer __cpuinitdata;
 /* Local APIC timer works in C2 */
 int local_apic_timer_c2_ok;
 EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
@@ -113,8 +141,6 @@ static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
 
 static unsigned long apic_phys;
 
-unsigned long mp_lapic_addr;
-
 /*
  * Get the LAPIC version
  */
@@ -1858,16 +1884,6 @@ static int __init parse_nolapic_timer(char *arg)
 }
 early_param("nolapic_timer", parse_nolapic_timer);
 
-#ifdef CONFIG_X86_64
-static __init int setup_apicpmtimer(char *s)
-{
-	apic_calibrate_pmtmr = 1;
-	notsc_setup(NULL);
-	return 0;
-}
-__setup("apicpmtimer", setup_apicpmtimer);
-#endif
-
 static int __init apic_set_verbosity(char *arg)
 {
 	if (!arg)  {
-- 
GitLab


From 49899eacce79ce39faf531dad3e00f771eba2eb1 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:47 -0700
Subject: [PATCH 0710/2224] x86: use HAVE_X2APIC in apic_64.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_64.c | 35 +++++++++++++++++++++++------------
 1 file changed, 23 insertions(+), 12 deletions(-)

diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index c40a900e155..d3ec746aede 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -82,10 +82,23 @@ static __init int setup_apicpmtimer(char *s)
 __setup("apicpmtimer", setup_apicpmtimer);
 #endif
 
-int disable_x2apic;
+#ifdef CONFIG_X86_64
+#define HAVE_X2APIC
+#endif
+
+#ifdef HAVE_X2APIC
 int x2apic;
 /* x2apic enabled before OS handover */
 int x2apic_preenabled;
+int disable_x2apic;
+static __init int setup_nox2apic(char *str)
+{
+	disable_x2apic = 1;
+	setup_clear_cpu_cap(X86_FEATURE_X2APIC);
+	return 0;
+}
+early_param("nox2apic", setup_nox2apic);
+#endif
 
 unsigned long mp_lapic_addr;
 int disable_apic;
@@ -228,6 +241,7 @@ static struct apic_ops xapic_ops = {
 struct apic_ops __read_mostly *apic_ops = &xapic_ops;
 EXPORT_SYMBOL_GPL(apic_ops);
 
+#ifdef HAVE_X2APIC
 static void x2apic_wait_icr_idle(void)
 {
 	/* no need to wait for icr idle in x2apic */
@@ -261,6 +275,7 @@ static struct apic_ops x2apic_ops = {
 	.wait_icr_idle = x2apic_wait_icr_idle,
 	.safe_wait_icr_idle = safe_x2apic_wait_icr_idle,
 };
+#endif
 
 /**
  * enable_NMI_through_LVT0 - enable NMI through local vector table 0
@@ -1125,6 +1140,7 @@ void __cpuinit end_local_APIC_setup(void)
 	apic_pm_activate();
 }
 
+#ifdef HAVE_X2APIC
 void check_x2apic(void)
 {
 	int msr, msr2;
@@ -1243,6 +1259,7 @@ end:
 
 	return;
 }
+#endif /* HAVE_X2APIC */
 
 /*
  * Detect and enable local APICs on non-SMP boards.
@@ -1291,10 +1308,12 @@ void __init early_init_lapic_mapping(void)
  */
 void __init init_apic_mappings(void)
 {
+#ifdef HAVE_X2APIC
 	if (x2apic) {
 		boot_cpu_physical_apicid = read_apic_id();
 		return;
 	}
+#endif
 
 	/*
 	 * If no local APIC can be found then set up a fake all
@@ -1335,8 +1354,9 @@ int __init APIC_init_uniprocessor(void)
 		printk(KERN_INFO "Apic disabled by BIOS\n");
 		return -1;
 	}
-
+#ifdef HAVE_X2APIC
 	enable_IR_x2apic();
+#endif
 	setup_apic_routing();
 
 	verify_local_APIC();
@@ -1672,7 +1692,7 @@ static int lapic_resume(struct sys_device *dev)
 
 	local_irq_save(flags);
 
-#ifdef CONFIG_X86_64
+#ifdef HAVE_X2APIC
 	if (x2apic)
 		enable_x2apic();
 	else
@@ -1836,15 +1856,6 @@ __cpuinit int apic_is_clustered_box(void)
 	return (clusters > 2);
 }
 
-static __init int setup_nox2apic(char *str)
-{
-	disable_x2apic = 1;
-	clear_cpu_cap(&boot_cpu_data, X86_FEATURE_X2APIC);
-	return 0;
-}
-early_param("nox2apic", setup_nox2apic);
-
-
 /*
  * APIC command line parameters
  */
-- 
GitLab


From 3491998dd54f6d4ef7344518fe5463b299fdf537 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:48 -0700
Subject: [PATCH 0711/2224] x86: add hard_smp_prossor_id with MACRO in
 io_apic_xx.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 7 +++++++
 arch/x86/kernel/apic_64.c | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index a54512bea62..93718ffb9b9 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1600,6 +1600,13 @@ void __cpuinit generic_processor_info(int apicid, int version)
 	cpu_set(cpu, cpu_present_map);
 }
 
+#ifdef CONFIG_X86_64
+int hard_smp_processor_id(void)
+{
+	return read_apic_id();
+}
+#endif
+
 /*
  * Power management
  */
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index d3ec746aede..eeb69838c2f 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1612,10 +1612,12 @@ void __cpuinit generic_processor_info(int apicid, int version)
 	cpu_set(cpu, cpu_present_map);
 }
 
+#ifdef CONFIG_X86_64
 int hard_smp_processor_id(void)
 {
 	return read_apic_id();
 }
+#endif
 
 /*
  * Power management
-- 
GitLab


From f28c0ae21d80ffd6eb0987901c5273843387e341 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:49 -0700
Subject: [PATCH 0712/2224] x86: make apic_32/64.c more like

except x2apic, detec_init_APIC, and calibrating_APIC_clock

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 125 ++++++++++++++++++++++++++++++++++----
 arch/x86/kernel/apic_64.c |  10 ++-
 2 files changed, 122 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 93718ffb9b9..bfac26a1609 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -66,6 +66,9 @@ static int __init parse_lapic(char *arg)
 	return 0;
 }
 early_param("lapic", parse_lapic);
+/* Local APIC was disabled by the BIOS and enabled by the kernel */
+static int enabled_via_apicbase;
+
 #endif
 
 #ifdef CONFIG_X86_64
@@ -131,9 +134,6 @@ static struct clock_event_device lapic_clockevent = {
 };
 static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
 
-/* Local APIC was disabled by the BIOS and enabled by the kernel */
-static int enabled_via_apicbase;
-
 static unsigned long apic_phys;
 
 /*
@@ -240,6 +240,7 @@ void __cpuinit enable_NMI_through_LVT0(void)
 	apic_write(APIC_LVT0, v);
 }
 
+#ifdef CONFIG_X86_32
 /**
  * get_physical_broadcast - Get number of physical broadcast IDs
  */
@@ -247,6 +248,7 @@ int get_physical_broadcast(void)
 {
 	return modern_apic() ? 0xff : 0xf;
 }
+#endif
 
 /**
  * lapic_get_maxlvt - get the maximum number of local vector table entries
@@ -1291,6 +1293,32 @@ no_apic:
 	return -1;
 }
 
+#ifdef CONFIG_X86_64
+void __init early_init_lapic_mapping(void)
+{
+	unsigned long phys_addr;
+
+	/*
+	 * If no local APIC can be found then go out
+	 * : it means there is no mpatable and MADT
+	 */
+	if (!smp_found_config)
+		return;
+
+	phys_addr = mp_lapic_addr;
+
+	set_fixmap_nocache(FIX_APIC_BASE, phys_addr);
+	apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n",
+		    APIC_BASE, phys_addr);
+
+	/*
+	 * Fetch the APIC ID of the BSP in case we have a
+	 * default configuration (or the MP table is broken).
+	 */
+	boot_cpu_physical_apicid = read_apic_id();
+}
+#endif
+
 /**
  * init_apic_mappings - initialize APIC mappings
  */
@@ -1308,8 +1336,8 @@ void __init init_apic_mappings(void)
 		apic_phys = mp_lapic_addr;
 
 	set_fixmap_nocache(FIX_APIC_BASE, apic_phys);
-	printk(KERN_DEBUG "mapped APIC to %08lx (%08lx)\n", APIC_BASE,
-	       apic_phys);
+	apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n",
+				APIC_BASE, apic_phys);
 
 	/*
 	 * Fetch the APIC ID of the BSP in case we have a
@@ -1317,14 +1345,12 @@ void __init init_apic_mappings(void)
 	 */
 	if (boot_cpu_physical_apicid == -1U)
 		boot_cpu_physical_apicid = read_apic_id();
-
 }
 
 /*
  * This initializes the IO-APIC and APIC hardware if this is
  * a UP kernel.
  */
-
 int apic_version[MAX_APICS];
 
 int __init APIC_init_uniprocessor(void)
@@ -1682,11 +1708,6 @@ static int lapic_resume(struct sys_device *dev)
 
 	local_irq_save(flags);
 
-#ifdef CONFIG_X86_64
-	if (x2apic)
-		enable_x2apic();
-	else
-#endif
 	{
 		/*
 		 * Make sure the APICBASE points to the right address
@@ -1770,7 +1791,87 @@ static void apic_pm_activate(void) { }
 
 #endif	/* CONFIG_PM */
 
+#ifdef CONFIG_X86_64
+/*
+ * apic_is_clustered_box() -- Check if we can expect good TSC
+ *
+ * Thus far, the major user of this is IBM's Summit2 series:
+ *
+ * Clustered boxes may have unsynced TSC problems if they are
+ * multi-chassis. Use available data to take a good guess.
+ * If in doubt, go HPET.
+ */
+__cpuinit int apic_is_clustered_box(void)
+{
+	int i, clusters, zeros;
+	unsigned id;
+	u16 *bios_cpu_apicid;
+	DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS);
+
+	/*
+	 * there is not this kind of box with AMD CPU yet.
+	 * Some AMD box with quadcore cpu and 8 sockets apicid
+	 * will be [4, 0x23] or [8, 0x27] could be thought to
+	 * vsmp box still need checking...
+	 */
+	if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && !is_vsmp_box())
+		return 0;
+
+	bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid);
+	bitmap_zero(clustermap, NUM_APIC_CLUSTERS);
+
+	for (i = 0; i < NR_CPUS; i++) {
+		/* are we being called early in kernel startup? */
+		if (bios_cpu_apicid) {
+			id = bios_cpu_apicid[i];
+		}
+		else if (i < nr_cpu_ids) {
+			if (cpu_present(i))
+				id = per_cpu(x86_bios_cpu_apicid, i);
+			else
+				continue;
+		}
+		else
+			break;
 
+		if (id != BAD_APICID)
+			__set_bit(APIC_CLUSTERID(id), clustermap);
+	}
+
+	/* Problem:  Partially populated chassis may not have CPUs in some of
+	 * the APIC clusters they have been allocated.  Only present CPUs have
+	 * x86_bios_cpu_apicid entries, thus causing zeroes in the bitmap.
+	 * Since clusters are allocated sequentially, count zeros only if
+	 * they are bounded by ones.
+	 */
+	clusters = 0;
+	zeros = 0;
+	for (i = 0; i < NUM_APIC_CLUSTERS; i++) {
+		if (test_bit(i, clustermap)) {
+			clusters += 1 + zeros;
+			zeros = 0;
+		} else
+			++zeros;
+	}
+
+	/* ScaleMP vSMPowered boxes have one cluster per board and TSCs are
+	 * not guaranteed to be synced between boards
+	 */
+	if (is_vsmp_box() && clusters > 1)
+		return 1;
+
+	/*
+	 * If clusters > 2, then should be multi-chassis.
+	 * May have to revisit this when multi-core + hyperthreaded CPUs come
+	 * out, but AFAIK this will work even for them.
+	 */
+	return (clusters > 2);
+}
+#endif
+
+/*
+ * APIC command line parameters
+ */
 static int __init setup_disableapic(char *arg)
 {
 	disable_apic = 1;
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index eeb69838c2f..dca6c246e73 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -69,6 +69,9 @@ static int __init parse_lapic(char *arg)
 	return 0;
 }
 early_param("lapic", parse_lapic);
+/* Local APIC was disabled by the BIOS and enabled by the kernel */
+static int enabled_via_apicbase;
+
 #endif
 
 #ifdef CONFIG_X86_64
@@ -1279,6 +1282,7 @@ static int __init detect_init_APIC(void)
 	return 0;
 }
 
+#ifdef CONFIG_X86_64
 void __init early_init_lapic_mapping(void)
 {
 	unsigned long phys_addr;
@@ -1302,6 +1306,7 @@ void __init early_init_lapic_mapping(void)
 	 */
 	boot_cpu_physical_apicid = read_apic_id();
 }
+#endif
 
 /**
  * init_apic_mappings - initialize APIC mappings
@@ -1334,7 +1339,8 @@ void __init init_apic_mappings(void)
 	 * Fetch the APIC ID of the BSP in case we have a
 	 * default configuration (or the MP table is broken).
 	 */
-	boot_cpu_physical_apicid = read_apic_id();
+	if (boot_cpu_physical_apicid == -1U)
+		boot_cpu_physical_apicid = read_apic_id();
 }
 
 /*
@@ -1782,6 +1788,7 @@ static void apic_pm_activate(void) { }
 
 #endif	/* CONFIG_PM */
 
+#ifdef CONFIG_X86_64
 /*
  * apic_is_clustered_box() -- Check if we can expect good TSC
  *
@@ -1857,6 +1864,7 @@ __cpuinit int apic_is_clustered_box(void)
 	 */
 	return (clusters > 2);
 }
+#endif
 
 /*
  * APIC command line parameters
-- 
GitLab


From fa2bd35a8d5c88c03b638c72daf7f38a132d0e8c Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:50 -0700
Subject: [PATCH 0713/2224] x86: merge APIC_init_uniprocessor

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 51 ++++++++++++++++++++++++++++++++++-----
 arch/x86/kernel/apic_64.c | 48 +++++++++++++++++++++++++++++++++---
 2 files changed, 90 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index bfac26a1609..8f8b0e1f3eb 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1355,6 +1355,17 @@ int apic_version[MAX_APICS];
 
 int __init APIC_init_uniprocessor(void)
 {
+#ifdef CONFIG_X86_64
+	if (disable_apic) {
+		printk(KERN_INFO "Apic disabled\n");
+		return -1;
+	}
+	if (!cpu_has_apic) {
+		disable_apic = 1;
+		printk(KERN_INFO "Apic disabled by BIOS\n");
+		return -1;
+	}
+#else
 	if (!smp_found_config && !cpu_has_apic)
 		return -1;
 
@@ -1368,34 +1379,62 @@ int __init APIC_init_uniprocessor(void)
 		clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
 		return -1;
 	}
+#endif
 
+#ifdef HAVE_X2APIC
+	enable_IR_x2apic();
+#endif
+#ifdef CONFIG_X86_64
+	setup_apic_routing();
+#endif
 	verify_local_APIC();
-
 	connect_bsp_APIC();
 
+#ifdef CONFIG_X86_64
+	apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid));
+#else
 	/*
 	 * Hack: In case of kdump, after a crash, kernel might be booting
 	 * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid
 	 * might be zero if read from MP tables. Get it from LAPIC.
 	 */
-#ifdef CONFIG_CRASH_DUMP
+# ifdef CONFIG_CRASH_DUMP
 	boot_cpu_physical_apicid = read_apic_id();
+# endif
 #endif
 	physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
-
 	setup_local_APIC();
 
+#ifdef CONFIG_X86_64
+	/*
+	 * Now enable IO-APICs, actually call clear_IO_APIC
+	 * We need clear_IO_APIC before enabling vector on BP
+	 */
+	if (!skip_ioapic_setup && nr_ioapics)
+		enable_IO_APIC();
+#endif
+
 #ifdef CONFIG_X86_IO_APIC
 	if (!smp_found_config || skip_ioapic_setup || !nr_ioapics)
 #endif
 		localise_nmi_watchdog();
 	end_local_APIC_setup();
+
 #ifdef CONFIG_X86_IO_APIC
-	if (smp_found_config)
-		if (!skip_ioapic_setup && nr_ioapics)
-			setup_IO_APIC();
+	if (smp_found_config && !skip_ioapic_setup && nr_ioapics)
+		setup_IO_APIC();
+# ifdef CONFIG_X86_64
+	else
+		nr_ioapics = 0;
+# endif
 #endif
+
+#ifdef CONFIG_X86_64
+	setup_boot_APIC_clock();
+	check_nmi_watchdog();
+#else
 	setup_boot_clock();
+#endif
 
 	return 0;
 }
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index dca6c246e73..16a30c22b07 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1351,6 +1351,7 @@ int apic_version[MAX_APICS];
 
 int __init APIC_init_uniprocessor(void)
 {
+#ifdef CONFIG_X86_64
 	if (disable_apic) {
 		printk(KERN_INFO "Apic disabled\n");
 		return -1;
@@ -1360,37 +1361,78 @@ int __init APIC_init_uniprocessor(void)
 		printk(KERN_INFO "Apic disabled by BIOS\n");
 		return -1;
 	}
+#else
+	if (!smp_found_config && !cpu_has_apic)
+		return -1;
+
+	/*
+	 * Complain if the BIOS pretends there is one.
+	 */
+	if (!cpu_has_apic &&
+	    APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+		printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n",
+		       boot_cpu_physical_apicid);
+		clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+		return -1;
+	}
+#endif
+
 #ifdef HAVE_X2APIC
 	enable_IR_x2apic();
 #endif
+#ifdef CONFIG_X86_64
 	setup_apic_routing();
+#endif
 
 	verify_local_APIC();
-
 	connect_bsp_APIC();
 
-	physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
+#ifdef CONFIG_X86_64
 	apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid));
-
+#else
+	/*
+	 * Hack: In case of kdump, after a crash, kernel might be booting
+	 * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid
+	 * might be zero if read from MP tables. Get it from LAPIC.
+	 */
+# ifdef CONFIG_CRASH_DUMP
+	boot_cpu_physical_apicid = read_apic_id();
+# endif
+#endif
+	physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
 	setup_local_APIC();
 
+#ifdef CONFIG_X86_64
 	/*
 	 * Now enable IO-APICs, actually call clear_IO_APIC
 	 * We need clear_IO_APIC before enabling vector on BP
 	 */
 	if (!skip_ioapic_setup && nr_ioapics)
 		enable_IO_APIC();
+#endif
 
+#ifdef CONFIG_X86_IO_APIC
 	if (!smp_found_config || skip_ioapic_setup || !nr_ioapics)
+#endif
 		localise_nmi_watchdog();
 	end_local_APIC_setup();
 
+#ifdef CONFIG_X86_IO_APIC
 	if (smp_found_config && !skip_ioapic_setup && nr_ioapics)
 		setup_IO_APIC();
+# ifdef CONFIG_X86_64
 	else
 		nr_ioapics = 0;
+# endif
+#endif
+
+#ifdef CONFIG_X86_64
 	setup_boot_APIC_clock();
 	check_nmi_watchdog();
+#else
+	setup_boot_clock();
+#endif
+
 	return 0;
 }
 
-- 
GitLab


From be7a656fe131cba088912bcafb079b029320504d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:51 -0700
Subject: [PATCH 0714/2224] x86: copy detect_init_APIC to the other

Signed-off-by: Yinghai Lu <yhlu.kernel@mgail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 20 ++++++++++
 arch/x86/kernel/apic_64.c | 82 ++++++++++++++++++++++++++++++++++++++-
 2 files changed, 101 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 8f8b0e1f3eb..1103e05aa1b 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1214,6 +1214,25 @@ void __cpuinit end_local_APIC_setup(void)
 	apic_pm_activate();
 }
 
+#ifdef CONFIG_X86_64
+/*
+ * Detect and enable local APICs on non-SMP boards.
+ * Original code written by Keir Fraser.
+ * On AMD64 we trust the BIOS - if it says no APIC it is likely
+ * not correctly set up (usually the APIC timer won't work etc.)
+ */
+static int __init detect_init_APIC(void)
+{
+	if (!cpu_has_apic) {
+		printk(KERN_INFO "No local APIC present\n");
+		return -1;
+	}
+
+	mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
+	boot_cpu_physical_apicid = 0;
+	return 0;
+}
+#else
 /*
  * Detect and initialize APIC
  */
@@ -1292,6 +1311,7 @@ no_apic:
 	printk(KERN_INFO "No local APIC present or hardware disabled\n");
 	return -1;
 }
+#endif
 
 #ifdef CONFIG_X86_64
 void __init early_init_lapic_mapping(void)
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 16a30c22b07..b7268f5c8b1 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -684,7 +684,6 @@ int setup_profiling_timer(unsigned int multiplier)
 	return -EINVAL;
 }
 
-
 /*
  * Local APIC start and shutdown
  */
@@ -1264,6 +1263,7 @@ end:
 }
 #endif /* HAVE_X2APIC */
 
+#ifdef CONFIG_X86_64
 /*
  * Detect and enable local APICs on non-SMP boards.
  * Original code written by Keir Fraser.
@@ -1281,6 +1281,86 @@ static int __init detect_init_APIC(void)
 	boot_cpu_physical_apicid = 0;
 	return 0;
 }
+#else
+/*
+ * Detect and initialize APIC
+ */
+static int __init detect_init_APIC(void)
+{
+	u32 h, l, features;
+
+	/* Disabled by kernel option? */
+	if (disable_apic)
+		return -1;
+
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_AMD:
+		if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model > 1) ||
+		    (boot_cpu_data.x86 == 15))
+			break;
+		goto no_apic;
+	case X86_VENDOR_INTEL:
+		if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 ||
+		    (boot_cpu_data.x86 == 5 && cpu_has_apic))
+			break;
+		goto no_apic;
+	default:
+		goto no_apic;
+	}
+
+	if (!cpu_has_apic) {
+		/*
+		 * Over-ride BIOS and try to enable the local APIC only if
+		 * "lapic" specified.
+		 */
+		if (!force_enable_local_apic) {
+			printk(KERN_INFO "Local APIC disabled by BIOS -- "
+			       "you can enable it with \"lapic\"\n");
+			return -1;
+		}
+		/*
+		 * Some BIOSes disable the local APIC in the APIC_BASE
+		 * MSR. This can only be done in software for Intel P6 or later
+		 * and AMD K7 (Model > 1) or later.
+		 */
+		rdmsr(MSR_IA32_APICBASE, l, h);
+		if (!(l & MSR_IA32_APICBASE_ENABLE)) {
+			printk(KERN_INFO
+			       "Local APIC disabled by BIOS -- reenabling.\n");
+			l &= ~MSR_IA32_APICBASE_BASE;
+			l |= MSR_IA32_APICBASE_ENABLE | APIC_DEFAULT_PHYS_BASE;
+			wrmsr(MSR_IA32_APICBASE, l, h);
+			enabled_via_apicbase = 1;
+		}
+	}
+	/*
+	 * The APIC feature bit should now be enabled
+	 * in `cpuid'
+	 */
+	features = cpuid_edx(1);
+	if (!(features & (1 << X86_FEATURE_APIC))) {
+		printk(KERN_WARNING "Could not enable APIC!\n");
+		return -1;
+	}
+	set_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+	mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
+
+	/* The BIOS may have set up the APIC at some other address */
+	rdmsr(MSR_IA32_APICBASE, l, h);
+	if (l & MSR_IA32_APICBASE_ENABLE)
+		mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
+
+	printk(KERN_INFO "Found and enabled local APIC!\n");
+
+	apic_pm_activate();
+
+	return 0;
+
+no_apic:
+	printk(KERN_INFO "No local APIC present or hardware disabled\n");
+	return -1;
+}
+#endif
 
 #ifdef CONFIG_X86_64
 void __init early_init_lapic_mapping(void)
-- 
GitLab


From 773763df7de881e65ff2600c024c9ce2dde64750 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:52 -0700
Subject: [PATCH 0715/2224] x86: merge header files in apic_xx.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 8 ++++++++
 arch/x86/kernel/apic_64.c | 7 ++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 1103e05aa1b..0ec8321e687 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -23,11 +23,13 @@
 #include <linux/mc146818rtc.h>
 #include <linux/kernel_stat.h>
 #include <linux/sysdev.h>
+#include <linux/ioport.h>
 #include <linux/cpu.h>
 #include <linux/clockchips.h>
 #include <linux/acpi_pmtmr.h>
 #include <linux/module.h>
 #include <linux/dmi.h>
+#include <linux/dmar.h>
 
 #include <asm/atomic.h>
 #include <asm/smp.h>
@@ -36,8 +38,14 @@
 #include <asm/desc.h>
 #include <asm/arch_hooks.h>
 #include <asm/hpet.h>
+#include <asm/pgalloc.h>
 #include <asm/i8253.h>
 #include <asm/nmi.h>
+#include <asm/idle.h>
+#include <asm/proto.h>
+#include <asm/timex.h>
+#include <asm/apic.h>
+#include <asm/i8259.h>
 
 #include <mach_apic.h>
 #include <mach_apicdef.h>
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index b7268f5c8b1..ebe417b4d7f 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -24,9 +24,11 @@
 #include <linux/kernel_stat.h>
 #include <linux/sysdev.h>
 #include <linux/ioport.h>
+#include <linux/cpu.h>
 #include <linux/clockchips.h>
 #include <linux/acpi_pmtmr.h>
 #include <linux/module.h>
+#include <linux/dmi.h>
 #include <linux/dmar.h>
 
 #include <asm/atomic.h>
@@ -34,8 +36,10 @@
 #include <asm/mtrr.h>
 #include <asm/mpspec.h>
 #include <asm/desc.h>
+#include <asm/arch_hooks.h>
 #include <asm/hpet.h>
 #include <asm/pgalloc.h>
+#include <asm/i8253.h>
 #include <asm/nmi.h>
 #include <asm/idle.h>
 #include <asm/proto.h>
@@ -43,8 +47,9 @@
 #include <asm/apic.h>
 #include <asm/i8259.h>
 
-#include <mach_ipi.h>
 #include <mach_apic.h>
+#include <mach_apicdef.h>
+#include <mach_ipi.h>
 
 /*
  * Sanity check
-- 
GitLab


From dc1528dd864a0b79fa67b60b3ca5674fe94fdce5 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:53 -0700
Subject: [PATCH 0716/2224] x86: apic unify smp_spurious/error_interrupt

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 24 +++++++++++++++++++++---
 arch/x86/kernel/apic_64.c | 24 ++++++++++++++++++++++--
 2 files changed, 43 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 0ec8321e687..60a901b2d4f 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1474,10 +1474,17 @@ int __init APIC_init_uniprocessor(void)
 /*
  * This interrupt should _never_ happen with our APIC/SMP architecture
  */
+#ifdef CONFIG_X86_64
+asmlinkage void smp_spurious_interrupt(void)
+#else
 void smp_spurious_interrupt(struct pt_regs *regs)
+#endif
 {
-	unsigned long v;
+	u32 v;
 
+#ifdef CONFIG_X86_64
+	exit_idle();
+#endif
 	irq_enter();
 	/*
 	 * Check if this really is a spurious interrupt and ACK it
@@ -1488,20 +1495,31 @@ void smp_spurious_interrupt(struct pt_regs *regs)
 	if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f)))
 		ack_APIC_irq();
 
+#ifdef CONFIG_X86_64
+	add_pda(irq_spurious_count, 1);
+#else
 	/* see sw-dev-man vol 3, chapter 7.4.13.5 */
 	printk(KERN_INFO "spurious APIC interrupt on CPU#%d, "
 	       "should never happen.\n", smp_processor_id());
 	__get_cpu_var(irq_stat).irq_spurious_count++;
+#endif
 	irq_exit();
 }
 
 /*
  * This interrupt should never happen with our APIC/SMP architecture
  */
+#ifdef CONFIG_X86_64
+asmlinkage void smp_error_interrupt(void)
+#else
 void smp_error_interrupt(struct pt_regs *regs)
+#endif
 {
-	unsigned long v, v1;
+	u32 v, v1;
 
+#ifdef CONFIG_X86_64
+	exit_idle();
+#endif
 	irq_enter();
 	/* First tickle the hardware, only then report what went on. -- REW */
 	v = apic_read(APIC_ESR);
@@ -1520,7 +1538,7 @@ void smp_error_interrupt(struct pt_regs *regs)
 	   6: Received illegal vector
 	   7: Illegal register address
 	*/
-	printk(KERN_DEBUG "APIC error on CPU%d: %02lx(%02lx)\n",
+	printk(KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n",
 		smp_processor_id(), v , v1);
 	irq_exit();
 }
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index ebe417b4d7f..c728885e4f4 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -1528,10 +1528,17 @@ int __init APIC_init_uniprocessor(void)
 /*
  * This interrupt should _never_ happen with our APIC/SMP architecture
  */
+#ifdef CONFIG_X86_64
 asmlinkage void smp_spurious_interrupt(void)
+#else
+void smp_spurious_interrupt(struct pt_regs *regs)
+#endif
 {
-	unsigned int v;
+	u32 v;
+
+#ifdef CONFIG_X86_64
 	exit_idle();
+#endif
 	irq_enter();
 	/*
 	 * Check if this really is a spurious interrupt and ACK it
@@ -1542,18 +1549,31 @@ asmlinkage void smp_spurious_interrupt(void)
 	if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f)))
 		ack_APIC_irq();
 
+#ifdef CONFIG_X86_64
 	add_pda(irq_spurious_count, 1);
+#else
+	/* see sw-dev-man vol 3, chapter 7.4.13.5 */
+	printk(KERN_INFO "spurious APIC interrupt on CPU#%d, "
+	       "should never happen.\n", smp_processor_id());
+	__get_cpu_var(irq_stat).irq_spurious_count++;
+#endif
 	irq_exit();
 }
 
 /*
  * This interrupt should never happen with our APIC/SMP architecture
  */
+#ifdef CONFIG_X86_64
 asmlinkage void smp_error_interrupt(void)
+#else
+void smp_error_interrupt(struct pt_regs *regs)
+#endif
 {
-	unsigned int v, v1;
+	u32 v, v1;
 
+#ifdef CONFIG_X86_64
 	exit_idle();
+#endif
 	irq_enter();
 	/* First tickle the hardware, only then report what went on. -- REW */
 	v = apic_read(APIC_ESR);
-- 
GitLab


From 2f04fa888d270951b9e0fe9e641ddd560d77ad1b Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:54 -0700
Subject: [PATCH 0717/2224] x86: apic copy calibrate_APIC_clock to each other
 in apic_32/64.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c |  86 +++++++++++++++
 arch/x86/kernel/apic_64.c | 215 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 301 insertions(+)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 60a901b2d4f..05498c37f8d 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -424,6 +424,90 @@ static void __cpuinit setup_APIC_timer(void)
 	clockevents_register_device(levt);
 }
 
+#ifdef CONFIG_X86_64
+/*
+ * In this function we calibrate APIC bus clocks to the external
+ * timer. Unfortunately we cannot use jiffies and the timer irq
+ * to calibrate, since some later bootup code depends on getting
+ * the first irq? Ugh.
+ *
+ * We want to do the calibration only once since we
+ * want to have local timer irqs syncron. CPUs connected
+ * by the same APIC bus have the very same bus frequency.
+ * And we want to have irqs off anyways, no accidental
+ * APIC irq that way.
+ */
+
+#define TICK_COUNT 100000000
+
+static int __init calibrate_APIC_clock(void)
+{
+	unsigned apic, apic_start;
+	unsigned long tsc, tsc_start;
+	int result;
+
+	local_irq_disable();
+
+	/*
+	 * Put whatever arbitrary (but long enough) timeout
+	 * value into the APIC clock, we just want to get the
+	 * counter running for calibration.
+	 *
+	 * No interrupt enable !
+	 */
+	__setup_APIC_LVTT(250000000, 0, 0);
+
+	apic_start = apic_read(APIC_TMCCT);
+#ifdef CONFIG_X86_PM_TIMER
+	if (apic_calibrate_pmtmr && pmtmr_ioport) {
+		pmtimer_wait(5000);  /* 5ms wait */
+		apic = apic_read(APIC_TMCCT);
+		result = (apic_start - apic) * 1000L / 5;
+	} else
+#endif
+	{
+		rdtscll(tsc_start);
+
+		do {
+			apic = apic_read(APIC_TMCCT);
+			rdtscll(tsc);
+		} while ((tsc - tsc_start) < TICK_COUNT &&
+				(apic_start - apic) < TICK_COUNT);
+
+		result = (apic_start - apic) * 1000L * tsc_khz /
+					(tsc - tsc_start);
+	}
+
+	local_irq_enable();
+
+	printk(KERN_DEBUG "APIC timer calibration result %d\n", result);
+
+	printk(KERN_INFO "Detected %d.%03d MHz APIC timer.\n",
+		result / 1000 / 1000, result / 1000 % 1000);
+
+	/* Calculate the scaled math multiplication factor */
+	lapic_clockevent.mult = div_sc(result, NSEC_PER_SEC,
+				       lapic_clockevent.shift);
+	lapic_clockevent.max_delta_ns =
+		clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
+	lapic_clockevent.min_delta_ns =
+		clockevent_delta2ns(0xF, &lapic_clockevent);
+
+	calibration_result = (result * APIC_DIVISOR) / HZ;
+
+	/*
+	 * Do a sanity check on the APIC calibration result
+	 */
+	if (calibration_result < (1000000 / HZ)) {
+		printk(KERN_WARNING
+			"APIC frequency too slow, disabling apic timer\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+#else
 /*
  * In this functions we calibrate APIC bus clocks to the external timer.
  *
@@ -635,6 +719,8 @@ static int __init calibrate_APIC_clock(void)
 	return 0;
 }
 
+#endif
+
 /*
  * Setup the boot APIC
  *
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index c728885e4f4..6e99af5ce67 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -478,6 +478,7 @@ static void __cpuinit setup_APIC_timer(void)
 	clockevents_register_device(levt);
 }
 
+#ifdef CONFIG_X86_64
 /*
  * In this function we calibrate APIC bus clocks to the external
  * timer. Unfortunately we cannot use jiffies and the timer irq
@@ -560,6 +561,220 @@ static int __init calibrate_APIC_clock(void)
 	return 0;
 }
 
+#else
+/*
+ * In this functions we calibrate APIC bus clocks to the external timer.
+ *
+ * We want to do the calibration only once since we want to have local timer
+ * irqs syncron. CPUs connected by the same APIC bus have the very same bus
+ * frequency.
+ *
+ * This was previously done by reading the PIT/HPET and waiting for a wrap
+ * around to find out, that a tick has elapsed. I have a box, where the PIT
+ * readout is broken, so it never gets out of the wait loop again. This was
+ * also reported by others.
+ *
+ * Monitoring the jiffies value is inaccurate and the clockevents
+ * infrastructure allows us to do a simple substitution of the interrupt
+ * handler.
+ *
+ * The calibration routine also uses the pm_timer when possible, as the PIT
+ * happens to run way too slow (factor 2.3 on my VAIO CoreDuo, which goes
+ * back to normal later in the boot process).
+ */
+
+#define LAPIC_CAL_LOOPS		(HZ/10)
+
+static __initdata int lapic_cal_loops = -1;
+static __initdata long lapic_cal_t1, lapic_cal_t2;
+static __initdata unsigned long long lapic_cal_tsc1, lapic_cal_tsc2;
+static __initdata unsigned long lapic_cal_pm1, lapic_cal_pm2;
+static __initdata unsigned long lapic_cal_j1, lapic_cal_j2;
+
+/*
+ * Temporary interrupt handler.
+ */
+static void __init lapic_cal_handler(struct clock_event_device *dev)
+{
+	unsigned long long tsc = 0;
+	long tapic = apic_read(APIC_TMCCT);
+	unsigned long pm = acpi_pm_read_early();
+
+	if (cpu_has_tsc)
+		rdtscll(tsc);
+
+	switch (lapic_cal_loops++) {
+	case 0:
+		lapic_cal_t1 = tapic;
+		lapic_cal_tsc1 = tsc;
+		lapic_cal_pm1 = pm;
+		lapic_cal_j1 = jiffies;
+		break;
+
+	case LAPIC_CAL_LOOPS:
+		lapic_cal_t2 = tapic;
+		lapic_cal_tsc2 = tsc;
+		if (pm < lapic_cal_pm1)
+			pm += ACPI_PM_OVRRUN;
+		lapic_cal_pm2 = pm;
+		lapic_cal_j2 = jiffies;
+		break;
+	}
+}
+
+static int __init calibrate_APIC_clock(void)
+{
+	struct clock_event_device *levt = &__get_cpu_var(lapic_events);
+	const long pm_100ms = PMTMR_TICKS_PER_SEC/10;
+	const long pm_thresh = pm_100ms/100;
+	void (*real_handler)(struct clock_event_device *dev);
+	unsigned long deltaj;
+	long delta, deltapm;
+	int pm_referenced = 0;
+
+	local_irq_disable();
+
+	/* Replace the global interrupt handler */
+	real_handler = global_clock_event->event_handler;
+	global_clock_event->event_handler = lapic_cal_handler;
+
+	/*
+	 * Setup the APIC counter to 1e9. There is no way the lapic
+	 * can underflow in the 100ms detection time frame
+	 */
+	__setup_APIC_LVTT(1000000000, 0, 0);
+
+	/* Let the interrupts run */
+	local_irq_enable();
+
+	while (lapic_cal_loops <= LAPIC_CAL_LOOPS)
+		cpu_relax();
+
+	local_irq_disable();
+
+	/* Restore the real event handler */
+	global_clock_event->event_handler = real_handler;
+
+	/* Build delta t1-t2 as apic timer counts down */
+	delta = lapic_cal_t1 - lapic_cal_t2;
+	apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta);
+
+	/* Check, if the PM timer is available */
+	deltapm = lapic_cal_pm2 - lapic_cal_pm1;
+	apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm);
+
+	if (deltapm) {
+		unsigned long mult;
+		u64 res;
+
+		mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22);
+
+		if (deltapm > (pm_100ms - pm_thresh) &&
+		    deltapm < (pm_100ms + pm_thresh)) {
+			apic_printk(APIC_VERBOSE, "... PM timer result ok\n");
+		} else {
+			res = (((u64) deltapm) *  mult) >> 22;
+			do_div(res, 1000000);
+			printk(KERN_WARNING "APIC calibration not consistent "
+			       "with PM Timer: %ldms instead of 100ms\n",
+			       (long)res);
+			/* Correct the lapic counter value */
+			res = (((u64) delta) * pm_100ms);
+			do_div(res, deltapm);
+			printk(KERN_INFO "APIC delta adjusted to PM-Timer: "
+			       "%lu (%ld)\n", (unsigned long) res, delta);
+			delta = (long) res;
+		}
+		pm_referenced = 1;
+	}
+
+	/* Calculate the scaled math multiplication factor */
+	lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS,
+				       lapic_clockevent.shift);
+	lapic_clockevent.max_delta_ns =
+		clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
+	lapic_clockevent.min_delta_ns =
+		clockevent_delta2ns(0xF, &lapic_clockevent);
+
+	calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
+
+	apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta);
+	apic_printk(APIC_VERBOSE, "..... mult: %ld\n", lapic_clockevent.mult);
+	apic_printk(APIC_VERBOSE, "..... calibration result: %u\n",
+		    calibration_result);
+
+	if (cpu_has_tsc) {
+		delta = (long)(lapic_cal_tsc2 - lapic_cal_tsc1);
+		apic_printk(APIC_VERBOSE, "..... CPU clock speed is "
+			    "%ld.%04ld MHz.\n",
+			    (delta / LAPIC_CAL_LOOPS) / (1000000 / HZ),
+			    (delta / LAPIC_CAL_LOOPS) % (1000000 / HZ));
+	}
+
+	apic_printk(APIC_VERBOSE, "..... host bus clock speed is "
+		    "%u.%04u MHz.\n",
+		    calibration_result / (1000000 / HZ),
+		    calibration_result % (1000000 / HZ));
+
+	/*
+	 * Do a sanity check on the APIC calibration result
+	 */
+	if (calibration_result < (1000000 / HZ)) {
+		local_irq_enable();
+		printk(KERN_WARNING
+		       "APIC frequency too slow, disabling apic timer\n");
+		return -1;
+	}
+
+	levt->features &= ~CLOCK_EVT_FEAT_DUMMY;
+
+	/* We trust the pm timer based calibration */
+	if (!pm_referenced) {
+		apic_printk(APIC_VERBOSE, "... verify APIC timer\n");
+
+		/*
+		 * Setup the apic timer manually
+		 */
+		levt->event_handler = lapic_cal_handler;
+		lapic_timer_setup(CLOCK_EVT_MODE_PERIODIC, levt);
+		lapic_cal_loops = -1;
+
+		/* Let the interrupts run */
+		local_irq_enable();
+
+		while (lapic_cal_loops <= LAPIC_CAL_LOOPS)
+			cpu_relax();
+
+		local_irq_disable();
+
+		/* Stop the lapic timer */
+		lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, levt);
+
+		local_irq_enable();
+
+		/* Jiffies delta */
+		deltaj = lapic_cal_j2 - lapic_cal_j1;
+		apic_printk(APIC_VERBOSE, "... jiffies delta = %lu\n", deltaj);
+
+		/* Check, if the jiffies result is consistent */
+		if (deltaj >= LAPIC_CAL_LOOPS-2 && deltaj <= LAPIC_CAL_LOOPS+2)
+			apic_printk(APIC_VERBOSE, "... jiffies result ok\n");
+		else
+			levt->features |= CLOCK_EVT_FEAT_DUMMY;
+	} else
+		local_irq_enable();
+
+	if (levt->features & CLOCK_EVT_FEAT_DUMMY) {
+		printk(KERN_WARNING
+		       "APIC timer disabled due to verification failure.\n");
+			return -1;
+	}
+
+	return 0;
+}
+
+#endif
+
 /*
  * Setup the boot APIC
  *
-- 
GitLab


From 6c15822752a13748241e1a34068f2b15b660d28e Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:55 -0700
Subject: [PATCH 0718/2224] x86: apic copy apic_64.c to apic_32.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic_32.c | 188 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 188 insertions(+)

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 05498c37f8d..0b11d6e3f09 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -90,6 +90,24 @@ static __init int setup_apicpmtimer(char *s)
 __setup("apicpmtimer", setup_apicpmtimer);
 #endif
 
+#ifdef CONFIG_X86_64
+#define HAVE_X2APIC
+#endif
+
+#ifdef HAVE_X2APIC
+int x2apic;
+/* x2apic enabled before OS handover */
+int x2apic_preenabled;
+int disable_x2apic;
+static __init int setup_nox2apic(char *str)
+{
+	disable_x2apic = 1;
+	setup_clear_cpu_cap(X86_FEATURE_X2APIC);
+	return 0;
+}
+early_param("nox2apic", setup_nox2apic);
+#endif
+
 unsigned long mp_lapic_addr;
 int disable_apic;
 /* Disable local APIC timer from the kernel commandline or via dmi quirk */
@@ -231,6 +249,42 @@ static struct apic_ops xapic_ops = {
 struct apic_ops __read_mostly *apic_ops = &xapic_ops;
 EXPORT_SYMBOL_GPL(apic_ops);
 
+#ifdef HAVE_X2APIC
+static void x2apic_wait_icr_idle(void)
+{
+	/* no need to wait for icr idle in x2apic */
+	return;
+}
+
+static u32 safe_x2apic_wait_icr_idle(void)
+{
+	/* no need to wait for icr idle in x2apic */
+	return 0;
+}
+
+void x2apic_icr_write(u32 low, u32 id)
+{
+	wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low);
+}
+
+u64 x2apic_icr_read(void)
+{
+	unsigned long val;
+
+	rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val);
+	return val;
+}
+
+static struct apic_ops x2apic_ops = {
+	.read = native_apic_msr_read,
+	.write = native_apic_msr_write,
+	.icr_read = x2apic_icr_read,
+	.icr_write = x2apic_icr_write,
+	.wait_icr_idle = x2apic_wait_icr_idle,
+	.safe_wait_icr_idle = safe_x2apic_wait_icr_idle,
+};
+#endif
+
 /**
  * enable_NMI_through_LVT0 - enable NMI through local vector table 0
  */
@@ -1308,6 +1362,127 @@ void __cpuinit end_local_APIC_setup(void)
 	apic_pm_activate();
 }
 
+#ifdef HAVE_X2APIC
+void check_x2apic(void)
+{
+	int msr, msr2;
+
+	rdmsr(MSR_IA32_APICBASE, msr, msr2);
+
+	if (msr & X2APIC_ENABLE) {
+		printk("x2apic enabled by BIOS, switching to x2apic ops\n");
+		x2apic_preenabled = x2apic = 1;
+		apic_ops = &x2apic_ops;
+	}
+}
+
+void enable_x2apic(void)
+{
+	int msr, msr2;
+
+	rdmsr(MSR_IA32_APICBASE, msr, msr2);
+	if (!(msr & X2APIC_ENABLE)) {
+		printk("Enabling x2apic\n");
+		wrmsr(MSR_IA32_APICBASE, msr | X2APIC_ENABLE, 0);
+	}
+}
+
+void enable_IR_x2apic(void)
+{
+#ifdef CONFIG_INTR_REMAP
+	int ret;
+	unsigned long flags;
+
+	if (!cpu_has_x2apic)
+		return;
+
+	if (!x2apic_preenabled && disable_x2apic) {
+		printk(KERN_INFO
+		       "Skipped enabling x2apic and Interrupt-remapping "
+		       "because of nox2apic\n");
+		return;
+	}
+
+	if (x2apic_preenabled && disable_x2apic)
+		panic("Bios already enabled x2apic, can't enforce nox2apic");
+
+	if (!x2apic_preenabled && skip_ioapic_setup) {
+		printk(KERN_INFO
+		       "Skipped enabling x2apic and Interrupt-remapping "
+		       "because of skipping io-apic setup\n");
+		return;
+	}
+
+	ret = dmar_table_init();
+	if (ret) {
+		printk(KERN_INFO
+		       "dmar_table_init() failed with %d:\n", ret);
+
+		if (x2apic_preenabled)
+			panic("x2apic enabled by bios. But IR enabling failed");
+		else
+			printk(KERN_INFO
+			       "Not enabling x2apic,Intr-remapping\n");
+		return;
+	}
+
+	local_irq_save(flags);
+	mask_8259A();
+	save_mask_IO_APIC_setup();
+
+	ret = enable_intr_remapping(1);
+
+	if (ret && x2apic_preenabled) {
+		local_irq_restore(flags);
+		panic("x2apic enabled by bios. But IR enabling failed");
+	}
+
+	if (ret)
+		goto end;
+
+	if (!x2apic) {
+		x2apic = 1;
+		apic_ops = &x2apic_ops;
+		enable_x2apic();
+	}
+end:
+	if (ret)
+		/*
+		 * IR enabling failed
+		 */
+		restore_IO_APIC_setup();
+	else
+		reinit_intr_remapped_IO_APIC(x2apic_preenabled);
+
+	unmask_8259A();
+	local_irq_restore(flags);
+
+	if (!ret) {
+		if (!x2apic_preenabled)
+			printk(KERN_INFO
+			       "Enabled x2apic and interrupt-remapping\n");
+		else
+			printk(KERN_INFO
+			       "Enabled Interrupt-remapping\n");
+	} else
+		printk(KERN_ERR
+		       "Failed to enable Interrupt-remapping and x2apic\n");
+#else
+	if (!cpu_has_x2apic)
+		return;
+
+	if (x2apic_preenabled)
+		panic("x2apic enabled prior OS handover,"
+		      " enable CONFIG_INTR_REMAP");
+
+	printk(KERN_INFO "Enable CONFIG_INTR_REMAP for enabling intr-remapping "
+	       " and x2apic\n");
+#endif
+
+	return;
+}
+#endif /* HAVE_X2APIC */
+
 #ifdef CONFIG_X86_64
 /*
  * Detect and enable local APICs on non-SMP boards.
@@ -1438,6 +1613,13 @@ void __init early_init_lapic_mapping(void)
  */
 void __init init_apic_mappings(void)
 {
+#ifdef HAVE_X2APIC
+	if (x2apic) {
+		boot_cpu_physical_apicid = read_apic_id();
+		return;
+	}
+#endif
+
 	/*
 	 * If no local APIC can be found then set up a fake all
 	 * zeroes page to simulate the local APIC and another
@@ -1501,6 +1683,7 @@ int __init APIC_init_uniprocessor(void)
 #ifdef CONFIG_X86_64
 	setup_apic_routing();
 #endif
+
 	verify_local_APIC();
 	connect_bsp_APIC();
 
@@ -1879,6 +2062,11 @@ static int lapic_resume(struct sys_device *dev)
 
 	local_irq_save(flags);
 
+#ifdef HAVE_X2APIC
+	if (x2apic)
+		enable_x2apic();
+	else
+#endif
 	{
 		/*
 		 * Make sure the APICBASE points to the right address
-- 
GitLab


From 0f611ffaea81b8e1c69682188ba1ccaf7683a2ba Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 02:01:56 -0700
Subject: [PATCH 0719/2224] x86: rename apic_32.c and apic_64.c to apic.c

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/Makefile              |    2 +-
 arch/x86/kernel/{apic_64.c => apic.c} |    0
 arch/x86/kernel/apic_32.c             | 2312 -------------------------
 3 files changed, 1 insertion(+), 2313 deletions(-)
 rename arch/x86/kernel/{apic_64.c => apic.c} (100%)
 delete mode 100644 arch/x86/kernel/apic_32.c

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 7264f9c3af8..45cecc59d89 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -60,7 +60,7 @@ obj-$(CONFIG_X86_32_SMP)	+= smpcommon.o
 obj-$(CONFIG_X86_64_SMP)	+= tsc_sync.o smpcommon.o
 obj-$(CONFIG_X86_TRAMPOLINE)	+= trampoline_$(BITS).o
 obj-$(CONFIG_X86_MPPARSE)	+= mpparse.o
-obj-$(CONFIG_X86_LOCAL_APIC)	+= apic_$(BITS).o nmi.o
+obj-$(CONFIG_X86_LOCAL_APIC)	+= apic.o nmi.o
 obj-$(CONFIG_X86_IO_APIC)	+= io_apic.o
 obj-$(CONFIG_X86_REBOOTFIXUPS)	+= reboot_fixups_32.o
 obj-$(CONFIG_DYNAMIC_FTRACE)	+= ftrace.o
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic.c
similarity index 100%
rename from arch/x86/kernel/apic_64.c
rename to arch/x86/kernel/apic.c
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
deleted file mode 100644
index 0b11d6e3f09..00000000000
--- a/arch/x86/kernel/apic_32.c
+++ /dev/null
@@ -1,2312 +0,0 @@
-/*
- *	Local APIC handling, local APIC timers
- *
- *	(c) 1999, 2000 Ingo Molnar <mingo@redhat.com>
- *
- *	Fixes
- *	Maciej W. Rozycki	:	Bits for genuine 82489DX APICs;
- *					thanks to Eric Gilmore
- *					and Rolf G. Tews
- *					for testing these extensively.
- *	Maciej W. Rozycki	:	Various updates and fixes.
- *	Mikael Pettersson	:	Power Management for UP-APIC.
- *	Pavel Machek and
- *	Mikael Pettersson	:	PM converted to driver model.
- */
-
-#include <linux/init.h>
-
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/bootmem.h>
-#include <linux/interrupt.h>
-#include <linux/mc146818rtc.h>
-#include <linux/kernel_stat.h>
-#include <linux/sysdev.h>
-#include <linux/ioport.h>
-#include <linux/cpu.h>
-#include <linux/clockchips.h>
-#include <linux/acpi_pmtmr.h>
-#include <linux/module.h>
-#include <linux/dmi.h>
-#include <linux/dmar.h>
-
-#include <asm/atomic.h>
-#include <asm/smp.h>
-#include <asm/mtrr.h>
-#include <asm/mpspec.h>
-#include <asm/desc.h>
-#include <asm/arch_hooks.h>
-#include <asm/hpet.h>
-#include <asm/pgalloc.h>
-#include <asm/i8253.h>
-#include <asm/nmi.h>
-#include <asm/idle.h>
-#include <asm/proto.h>
-#include <asm/timex.h>
-#include <asm/apic.h>
-#include <asm/i8259.h>
-
-#include <mach_apic.h>
-#include <mach_apicdef.h>
-#include <mach_ipi.h>
-
-/*
- * Sanity check
- */
-#if ((SPURIOUS_APIC_VECTOR & 0x0F) != 0x0F)
-# error SPURIOUS_APIC_VECTOR definition error
-#endif
-
-#ifdef CONFIG_X86_32
-/*
- * Knob to control our willingness to enable the local APIC.
- *
- * +1=force-enable
- */
-static int force_enable_local_apic;
-/*
- * APIC command line parameters
- */
-static int __init parse_lapic(char *arg)
-{
-	force_enable_local_apic = 1;
-	return 0;
-}
-early_param("lapic", parse_lapic);
-/* Local APIC was disabled by the BIOS and enabled by the kernel */
-static int enabled_via_apicbase;
-
-#endif
-
-#ifdef CONFIG_X86_64
-static int apic_calibrate_pmtmr __initdata;
-static __init int setup_apicpmtimer(char *s)
-{
-	apic_calibrate_pmtmr = 1;
-	notsc_setup(NULL);
-	return 0;
-}
-__setup("apicpmtimer", setup_apicpmtimer);
-#endif
-
-#ifdef CONFIG_X86_64
-#define HAVE_X2APIC
-#endif
-
-#ifdef HAVE_X2APIC
-int x2apic;
-/* x2apic enabled before OS handover */
-int x2apic_preenabled;
-int disable_x2apic;
-static __init int setup_nox2apic(char *str)
-{
-	disable_x2apic = 1;
-	setup_clear_cpu_cap(X86_FEATURE_X2APIC);
-	return 0;
-}
-early_param("nox2apic", setup_nox2apic);
-#endif
-
-unsigned long mp_lapic_addr;
-int disable_apic;
-/* Disable local APIC timer from the kernel commandline or via dmi quirk */
-static int disable_apic_timer __cpuinitdata;
-/* Local APIC timer works in C2 */
-int local_apic_timer_c2_ok;
-EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
-
-int first_system_vector = 0xfe;
-
-char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE};
-
-/*
- * Debug level, exported for io_apic.c
- */
-unsigned int apic_verbosity;
-
-int pic_mode;
-
-/* Have we found an MP table */
-int smp_found_config;
-
-static struct resource lapic_resource = {
-	.name = "Local APIC",
-	.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
-};
-
-static unsigned int calibration_result;
-
-static int lapic_next_event(unsigned long delta,
-			    struct clock_event_device *evt);
-static void lapic_timer_setup(enum clock_event_mode mode,
-			      struct clock_event_device *evt);
-static void lapic_timer_broadcast(cpumask_t mask);
-static void apic_pm_activate(void);
-
-/*
- * The local apic timer can be used for any function which is CPU local.
- */
-static struct clock_event_device lapic_clockevent = {
-	.name		= "lapic",
-	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT
-			| CLOCK_EVT_FEAT_C3STOP | CLOCK_EVT_FEAT_DUMMY,
-	.shift		= 32,
-	.set_mode	= lapic_timer_setup,
-	.set_next_event	= lapic_next_event,
-	.broadcast	= lapic_timer_broadcast,
-	.rating		= 100,
-	.irq		= -1,
-};
-static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
-
-static unsigned long apic_phys;
-
-/*
- * Get the LAPIC version
- */
-static inline int lapic_get_version(void)
-{
-	return GET_APIC_VERSION(apic_read(APIC_LVR));
-}
-
-/*
- * Check, if the APIC is integrated or a separate chip
- */
-static inline int lapic_is_integrated(void)
-{
-#ifdef CONFIG_X86_64
-	return 1;
-#else
-	return APIC_INTEGRATED(lapic_get_version());
-#endif
-}
-
-/*
- * Check, whether this is a modern or a first generation APIC
- */
-static int modern_apic(void)
-{
-	/* AMD systems use old APIC versions, so check the CPU */
-	if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
-	    boot_cpu_data.x86 >= 0xf)
-		return 1;
-	return lapic_get_version() >= 0x14;
-}
-
-/*
- * Paravirt kernels also might be using these below ops. So we still
- * use generic apic_read()/apic_write(), which might be pointing to different
- * ops in PARAVIRT case.
- */
-void xapic_wait_icr_idle(void)
-{
-	while (apic_read(APIC_ICR) & APIC_ICR_BUSY)
-		cpu_relax();
-}
-
-u32 safe_xapic_wait_icr_idle(void)
-{
-	u32 send_status;
-	int timeout;
-
-	timeout = 0;
-	do {
-		send_status = apic_read(APIC_ICR) & APIC_ICR_BUSY;
-		if (!send_status)
-			break;
-		udelay(100);
-	} while (timeout++ < 1000);
-
-	return send_status;
-}
-
-void xapic_icr_write(u32 low, u32 id)
-{
-	apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(id));
-	apic_write(APIC_ICR, low);
-}
-
-u64 xapic_icr_read(void)
-{
-	u32 icr1, icr2;
-
-	icr2 = apic_read(APIC_ICR2);
-	icr1 = apic_read(APIC_ICR);
-
-	return icr1 | ((u64)icr2 << 32);
-}
-
-static struct apic_ops xapic_ops = {
-	.read = native_apic_mem_read,
-	.write = native_apic_mem_write,
-	.icr_read = xapic_icr_read,
-	.icr_write = xapic_icr_write,
-	.wait_icr_idle = xapic_wait_icr_idle,
-	.safe_wait_icr_idle = safe_xapic_wait_icr_idle,
-};
-
-struct apic_ops __read_mostly *apic_ops = &xapic_ops;
-EXPORT_SYMBOL_GPL(apic_ops);
-
-#ifdef HAVE_X2APIC
-static void x2apic_wait_icr_idle(void)
-{
-	/* no need to wait for icr idle in x2apic */
-	return;
-}
-
-static u32 safe_x2apic_wait_icr_idle(void)
-{
-	/* no need to wait for icr idle in x2apic */
-	return 0;
-}
-
-void x2apic_icr_write(u32 low, u32 id)
-{
-	wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low);
-}
-
-u64 x2apic_icr_read(void)
-{
-	unsigned long val;
-
-	rdmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), val);
-	return val;
-}
-
-static struct apic_ops x2apic_ops = {
-	.read = native_apic_msr_read,
-	.write = native_apic_msr_write,
-	.icr_read = x2apic_icr_read,
-	.icr_write = x2apic_icr_write,
-	.wait_icr_idle = x2apic_wait_icr_idle,
-	.safe_wait_icr_idle = safe_x2apic_wait_icr_idle,
-};
-#endif
-
-/**
- * enable_NMI_through_LVT0 - enable NMI through local vector table 0
- */
-void __cpuinit enable_NMI_through_LVT0(void)
-{
-	unsigned int v;
-
-	/* unmask and set to NMI */
-	v = APIC_DM_NMI;
-
-	/* Level triggered for 82489DX (32bit mode) */
-	if (!lapic_is_integrated())
-		v |= APIC_LVT_LEVEL_TRIGGER;
-
-	apic_write(APIC_LVT0, v);
-}
-
-#ifdef CONFIG_X86_32
-/**
- * get_physical_broadcast - Get number of physical broadcast IDs
- */
-int get_physical_broadcast(void)
-{
-	return modern_apic() ? 0xff : 0xf;
-}
-#endif
-
-/**
- * lapic_get_maxlvt - get the maximum number of local vector table entries
- */
-int lapic_get_maxlvt(void)
-{
-	unsigned int v;
-
-	v = apic_read(APIC_LVR);
-	/*
-	 * - we always have APIC integrated on 64bit mode
-	 * - 82489DXs do not report # of LVT entries
-	 */
-	return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
-}
-
-/*
- * Local APIC timer
- */
-
-/* Clock divisor */
-#ifdef CONFG_X86_64
-#define APIC_DIVISOR 1
-#else
-#define APIC_DIVISOR 16
-#endif
-
-/*
- * This function sets up the local APIC timer, with a timeout of
- * 'clocks' APIC bus clock. During calibration we actually call
- * this function twice on the boot CPU, once with a bogus timeout
- * value, second time for real. The other (noncalibrating) CPUs
- * call this function only once, with the real, calibrated value.
- *
- * We do reads before writes even if unnecessary, to get around the
- * P5 APIC double write bug.
- */
-static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen)
-{
-	unsigned int lvtt_value, tmp_value;
-
-	lvtt_value = LOCAL_TIMER_VECTOR;
-	if (!oneshot)
-		lvtt_value |= APIC_LVT_TIMER_PERIODIC;
-	if (!lapic_is_integrated())
-		lvtt_value |= SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV);
-
-	if (!irqen)
-		lvtt_value |= APIC_LVT_MASKED;
-
-	apic_write(APIC_LVTT, lvtt_value);
-
-	/*
-	 * Divide PICLK by 16
-	 */
-	tmp_value = apic_read(APIC_TDCR);
-	apic_write(APIC_TDCR,
-		(tmp_value & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) |
-		APIC_TDR_DIV_16);
-
-	if (!oneshot)
-		apic_write(APIC_TMICT, clocks / APIC_DIVISOR);
-}
-
-/*
- * Setup extended LVT, AMD specific (K8, family 10h)
- *
- * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and
- * MCE interrupts are supported. Thus MCE offset must be set to 0.
- *
- * If mask=1, the LVT entry does not generate interrupts while mask=0
- * enables the vector. See also the BKDGs.
- */
-
-#define APIC_EILVT_LVTOFF_MCE 0
-#define APIC_EILVT_LVTOFF_IBS 1
-
-static void setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask)
-{
-	unsigned long reg = (lvt_off << 4) + APIC_EILVT0;
-	unsigned int  v   = (mask << 16) | (msg_type << 8) | vector;
-
-	apic_write(reg, v);
-}
-
-u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask)
-{
-	setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type, mask);
-	return APIC_EILVT_LVTOFF_MCE;
-}
-
-u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask)
-{
-	setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask);
-	return APIC_EILVT_LVTOFF_IBS;
-}
-EXPORT_SYMBOL_GPL(setup_APIC_eilvt_ibs);
-
-/*
- * Program the next event, relative to now
- */
-static int lapic_next_event(unsigned long delta,
-			    struct clock_event_device *evt)
-{
-	apic_write(APIC_TMICT, delta);
-	return 0;
-}
-
-/*
- * Setup the lapic timer in periodic or oneshot mode
- */
-static void lapic_timer_setup(enum clock_event_mode mode,
-			      struct clock_event_device *evt)
-{
-	unsigned long flags;
-	unsigned int v;
-
-	/* Lapic used as dummy for broadcast ? */
-	if (evt->features & CLOCK_EVT_FEAT_DUMMY)
-		return;
-
-	local_irq_save(flags);
-
-	switch (mode) {
-	case CLOCK_EVT_MODE_PERIODIC:
-	case CLOCK_EVT_MODE_ONESHOT:
-		__setup_APIC_LVTT(calibration_result,
-				  mode != CLOCK_EVT_MODE_PERIODIC, 1);
-		break;
-	case CLOCK_EVT_MODE_UNUSED:
-	case CLOCK_EVT_MODE_SHUTDOWN:
-		v = apic_read(APIC_LVTT);
-		v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
-		apic_write(APIC_LVTT, v);
-		break;
-	case CLOCK_EVT_MODE_RESUME:
-		/* Nothing to do here */
-		break;
-	}
-
-	local_irq_restore(flags);
-}
-
-/*
- * Local APIC timer broadcast function
- */
-static void lapic_timer_broadcast(cpumask_t mask)
-{
-#ifdef CONFIG_SMP
-	send_IPI_mask(mask, LOCAL_TIMER_VECTOR);
-#endif
-}
-
-/*
- * Setup the local APIC timer for this CPU. Copy the initilized values
- * of the boot CPU and register the clock event in the framework.
- */
-static void __cpuinit setup_APIC_timer(void)
-{
-	struct clock_event_device *levt = &__get_cpu_var(lapic_events);
-
-	memcpy(levt, &lapic_clockevent, sizeof(*levt));
-	levt->cpumask = cpumask_of_cpu(smp_processor_id());
-
-	clockevents_register_device(levt);
-}
-
-#ifdef CONFIG_X86_64
-/*
- * In this function we calibrate APIC bus clocks to the external
- * timer. Unfortunately we cannot use jiffies and the timer irq
- * to calibrate, since some later bootup code depends on getting
- * the first irq? Ugh.
- *
- * We want to do the calibration only once since we
- * want to have local timer irqs syncron. CPUs connected
- * by the same APIC bus have the very same bus frequency.
- * And we want to have irqs off anyways, no accidental
- * APIC irq that way.
- */
-
-#define TICK_COUNT 100000000
-
-static int __init calibrate_APIC_clock(void)
-{
-	unsigned apic, apic_start;
-	unsigned long tsc, tsc_start;
-	int result;
-
-	local_irq_disable();
-
-	/*
-	 * Put whatever arbitrary (but long enough) timeout
-	 * value into the APIC clock, we just want to get the
-	 * counter running for calibration.
-	 *
-	 * No interrupt enable !
-	 */
-	__setup_APIC_LVTT(250000000, 0, 0);
-
-	apic_start = apic_read(APIC_TMCCT);
-#ifdef CONFIG_X86_PM_TIMER
-	if (apic_calibrate_pmtmr && pmtmr_ioport) {
-		pmtimer_wait(5000);  /* 5ms wait */
-		apic = apic_read(APIC_TMCCT);
-		result = (apic_start - apic) * 1000L / 5;
-	} else
-#endif
-	{
-		rdtscll(tsc_start);
-
-		do {
-			apic = apic_read(APIC_TMCCT);
-			rdtscll(tsc);
-		} while ((tsc - tsc_start) < TICK_COUNT &&
-				(apic_start - apic) < TICK_COUNT);
-
-		result = (apic_start - apic) * 1000L * tsc_khz /
-					(tsc - tsc_start);
-	}
-
-	local_irq_enable();
-
-	printk(KERN_DEBUG "APIC timer calibration result %d\n", result);
-
-	printk(KERN_INFO "Detected %d.%03d MHz APIC timer.\n",
-		result / 1000 / 1000, result / 1000 % 1000);
-
-	/* Calculate the scaled math multiplication factor */
-	lapic_clockevent.mult = div_sc(result, NSEC_PER_SEC,
-				       lapic_clockevent.shift);
-	lapic_clockevent.max_delta_ns =
-		clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
-	lapic_clockevent.min_delta_ns =
-		clockevent_delta2ns(0xF, &lapic_clockevent);
-
-	calibration_result = (result * APIC_DIVISOR) / HZ;
-
-	/*
-	 * Do a sanity check on the APIC calibration result
-	 */
-	if (calibration_result < (1000000 / HZ)) {
-		printk(KERN_WARNING
-			"APIC frequency too slow, disabling apic timer\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-#else
-/*
- * In this functions we calibrate APIC bus clocks to the external timer.
- *
- * We want to do the calibration only once since we want to have local timer
- * irqs syncron. CPUs connected by the same APIC bus have the very same bus
- * frequency.
- *
- * This was previously done by reading the PIT/HPET and waiting for a wrap
- * around to find out, that a tick has elapsed. I have a box, where the PIT
- * readout is broken, so it never gets out of the wait loop again. This was
- * also reported by others.
- *
- * Monitoring the jiffies value is inaccurate and the clockevents
- * infrastructure allows us to do a simple substitution of the interrupt
- * handler.
- *
- * The calibration routine also uses the pm_timer when possible, as the PIT
- * happens to run way too slow (factor 2.3 on my VAIO CoreDuo, which goes
- * back to normal later in the boot process).
- */
-
-#define LAPIC_CAL_LOOPS		(HZ/10)
-
-static __initdata int lapic_cal_loops = -1;
-static __initdata long lapic_cal_t1, lapic_cal_t2;
-static __initdata unsigned long long lapic_cal_tsc1, lapic_cal_tsc2;
-static __initdata unsigned long lapic_cal_pm1, lapic_cal_pm2;
-static __initdata unsigned long lapic_cal_j1, lapic_cal_j2;
-
-/*
- * Temporary interrupt handler.
- */
-static void __init lapic_cal_handler(struct clock_event_device *dev)
-{
-	unsigned long long tsc = 0;
-	long tapic = apic_read(APIC_TMCCT);
-	unsigned long pm = acpi_pm_read_early();
-
-	if (cpu_has_tsc)
-		rdtscll(tsc);
-
-	switch (lapic_cal_loops++) {
-	case 0:
-		lapic_cal_t1 = tapic;
-		lapic_cal_tsc1 = tsc;
-		lapic_cal_pm1 = pm;
-		lapic_cal_j1 = jiffies;
-		break;
-
-	case LAPIC_CAL_LOOPS:
-		lapic_cal_t2 = tapic;
-		lapic_cal_tsc2 = tsc;
-		if (pm < lapic_cal_pm1)
-			pm += ACPI_PM_OVRRUN;
-		lapic_cal_pm2 = pm;
-		lapic_cal_j2 = jiffies;
-		break;
-	}
-}
-
-static int __init calibrate_APIC_clock(void)
-{
-	struct clock_event_device *levt = &__get_cpu_var(lapic_events);
-	const long pm_100ms = PMTMR_TICKS_PER_SEC/10;
-	const long pm_thresh = pm_100ms/100;
-	void (*real_handler)(struct clock_event_device *dev);
-	unsigned long deltaj;
-	long delta, deltapm;
-	int pm_referenced = 0;
-
-	local_irq_disable();
-
-	/* Replace the global interrupt handler */
-	real_handler = global_clock_event->event_handler;
-	global_clock_event->event_handler = lapic_cal_handler;
-
-	/*
-	 * Setup the APIC counter to 1e9. There is no way the lapic
-	 * can underflow in the 100ms detection time frame
-	 */
-	__setup_APIC_LVTT(1000000000, 0, 0);
-
-	/* Let the interrupts run */
-	local_irq_enable();
-
-	while (lapic_cal_loops <= LAPIC_CAL_LOOPS)
-		cpu_relax();
-
-	local_irq_disable();
-
-	/* Restore the real event handler */
-	global_clock_event->event_handler = real_handler;
-
-	/* Build delta t1-t2 as apic timer counts down */
-	delta = lapic_cal_t1 - lapic_cal_t2;
-	apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta);
-
-	/* Check, if the PM timer is available */
-	deltapm = lapic_cal_pm2 - lapic_cal_pm1;
-	apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm);
-
-	if (deltapm) {
-		unsigned long mult;
-		u64 res;
-
-		mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22);
-
-		if (deltapm > (pm_100ms - pm_thresh) &&
-		    deltapm < (pm_100ms + pm_thresh)) {
-			apic_printk(APIC_VERBOSE, "... PM timer result ok\n");
-		} else {
-			res = (((u64) deltapm) *  mult) >> 22;
-			do_div(res, 1000000);
-			printk(KERN_WARNING "APIC calibration not consistent "
-			       "with PM Timer: %ldms instead of 100ms\n",
-			       (long)res);
-			/* Correct the lapic counter value */
-			res = (((u64) delta) * pm_100ms);
-			do_div(res, deltapm);
-			printk(KERN_INFO "APIC delta adjusted to PM-Timer: "
-			       "%lu (%ld)\n", (unsigned long) res, delta);
-			delta = (long) res;
-		}
-		pm_referenced = 1;
-	}
-
-	/* Calculate the scaled math multiplication factor */
-	lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS,
-				       lapic_clockevent.shift);
-	lapic_clockevent.max_delta_ns =
-		clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
-	lapic_clockevent.min_delta_ns =
-		clockevent_delta2ns(0xF, &lapic_clockevent);
-
-	calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
-
-	apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta);
-	apic_printk(APIC_VERBOSE, "..... mult: %ld\n", lapic_clockevent.mult);
-	apic_printk(APIC_VERBOSE, "..... calibration result: %u\n",
-		    calibration_result);
-
-	if (cpu_has_tsc) {
-		delta = (long)(lapic_cal_tsc2 - lapic_cal_tsc1);
-		apic_printk(APIC_VERBOSE, "..... CPU clock speed is "
-			    "%ld.%04ld MHz.\n",
-			    (delta / LAPIC_CAL_LOOPS) / (1000000 / HZ),
-			    (delta / LAPIC_CAL_LOOPS) % (1000000 / HZ));
-	}
-
-	apic_printk(APIC_VERBOSE, "..... host bus clock speed is "
-		    "%u.%04u MHz.\n",
-		    calibration_result / (1000000 / HZ),
-		    calibration_result % (1000000 / HZ));
-
-	/*
-	 * Do a sanity check on the APIC calibration result
-	 */
-	if (calibration_result < (1000000 / HZ)) {
-		local_irq_enable();
-		printk(KERN_WARNING
-		       "APIC frequency too slow, disabling apic timer\n");
-		return -1;
-	}
-
-	levt->features &= ~CLOCK_EVT_FEAT_DUMMY;
-
-	/* We trust the pm timer based calibration */
-	if (!pm_referenced) {
-		apic_printk(APIC_VERBOSE, "... verify APIC timer\n");
-
-		/*
-		 * Setup the apic timer manually
-		 */
-		levt->event_handler = lapic_cal_handler;
-		lapic_timer_setup(CLOCK_EVT_MODE_PERIODIC, levt);
-		lapic_cal_loops = -1;
-
-		/* Let the interrupts run */
-		local_irq_enable();
-
-		while (lapic_cal_loops <= LAPIC_CAL_LOOPS)
-			cpu_relax();
-
-		local_irq_disable();
-
-		/* Stop the lapic timer */
-		lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, levt);
-
-		local_irq_enable();
-
-		/* Jiffies delta */
-		deltaj = lapic_cal_j2 - lapic_cal_j1;
-		apic_printk(APIC_VERBOSE, "... jiffies delta = %lu\n", deltaj);
-
-		/* Check, if the jiffies result is consistent */
-		if (deltaj >= LAPIC_CAL_LOOPS-2 && deltaj <= LAPIC_CAL_LOOPS+2)
-			apic_printk(APIC_VERBOSE, "... jiffies result ok\n");
-		else
-			levt->features |= CLOCK_EVT_FEAT_DUMMY;
-	} else
-		local_irq_enable();
-
-	if (levt->features & CLOCK_EVT_FEAT_DUMMY) {
-		printk(KERN_WARNING
-		       "APIC timer disabled due to verification failure.\n");
-			return -1;
-	}
-
-	return 0;
-}
-
-#endif
-
-/*
- * Setup the boot APIC
- *
- * Calibrate and verify the result.
- */
-void __init setup_boot_APIC_clock(void)
-{
-	/*
-	 * The local apic timer can be disabled via the kernel
-	 * commandline or from the CPU detection code. Register the lapic
-	 * timer as a dummy clock event source on SMP systems, so the
-	 * broadcast mechanism is used. On UP systems simply ignore it.
-	 */
-	if (disable_apic_timer) {
-		printk(KERN_INFO "Disabling APIC timer\n");
-		/* No broadcast on UP ! */
-		if (num_possible_cpus() > 1) {
-			lapic_clockevent.mult = 1;
-			setup_APIC_timer();
-		}
-		return;
-	}
-
-	apic_printk(APIC_VERBOSE, "Using local APIC timer interrupts.\n"
-		    "calibrating APIC timer ...\n");
-
-	if (calibrate_APIC_clock()) {
-		/* No broadcast on UP ! */
-		if (num_possible_cpus() > 1)
-			setup_APIC_timer();
-		return;
-	}
-
-	/*
-	 * If nmi_watchdog is set to IO_APIC, we need the
-	 * PIT/HPET going.  Otherwise register lapic as a dummy
-	 * device.
-	 */
-	if (nmi_watchdog != NMI_IO_APIC)
-		lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
-	else
-		printk(KERN_WARNING "APIC timer registered as dummy,"
-			" due to nmi_watchdog=%d!\n", nmi_watchdog);
-
-	/* Setup the lapic or request the broadcast */
-	setup_APIC_timer();
-}
-
-void __cpuinit setup_secondary_APIC_clock(void)
-{
-	setup_APIC_timer();
-}
-
-/*
- * The guts of the apic timer interrupt
- */
-static void local_apic_timer_interrupt(void)
-{
-	int cpu = smp_processor_id();
-	struct clock_event_device *evt = &per_cpu(lapic_events, cpu);
-
-	/*
-	 * Normally we should not be here till LAPIC has been initialized but
-	 * in some cases like kdump, its possible that there is a pending LAPIC
-	 * timer interrupt from previous kernel's context and is delivered in
-	 * new kernel the moment interrupts are enabled.
-	 *
-	 * Interrupts are enabled early and LAPIC is setup much later, hence
-	 * its possible that when we get here evt->event_handler is NULL.
-	 * Check for event_handler being NULL and discard the interrupt as
-	 * spurious.
-	 */
-	if (!evt->event_handler) {
-		printk(KERN_WARNING
-		       "Spurious LAPIC timer interrupt on cpu %d\n", cpu);
-		/* Switch it off */
-		lapic_timer_setup(CLOCK_EVT_MODE_SHUTDOWN, evt);
-		return;
-	}
-
-	/*
-	 * the NMI deadlock-detector uses this.
-	 */
-#ifdef CONFIG_X86_64
-	add_pda(apic_timer_irqs, 1);
-#else
-	per_cpu(irq_stat, cpu).apic_timer_irqs++;
-#endif
-
-	evt->event_handler(evt);
-}
-
-/*
- * Local APIC timer interrupt. This is the most natural way for doing
- * local interrupts, but local timer interrupts can be emulated by
- * broadcast interrupts too. [in case the hw doesn't support APIC timers]
- *
- * [ if a single-CPU system runs an SMP kernel then we call the local
- *   interrupt as well. Thus we cannot inline the local irq ... ]
- */
-void smp_apic_timer_interrupt(struct pt_regs *regs)
-{
-	struct pt_regs *old_regs = set_irq_regs(regs);
-
-	/*
-	 * NOTE! We'd better ACK the irq immediately,
-	 * because timer handling can be slow.
-	 */
-	ack_APIC_irq();
-	/*
-	 * update_process_times() expects us to have done irq_enter().
-	 * Besides, if we don't timer interrupts ignore the global
-	 * interrupt lock, which is the WrongThing (tm) to do.
-	 */
-#ifdef CONFIG_X86_64
-	exit_idle();
-#endif
-	irq_enter();
-	local_apic_timer_interrupt();
-	irq_exit();
-
-	set_irq_regs(old_regs);
-}
-
-int setup_profiling_timer(unsigned int multiplier)
-{
-	return -EINVAL;
-}
-
-/*
- * Local APIC start and shutdown
- */
-
-/**
- * clear_local_APIC - shutdown the local APIC
- *
- * This is called, when a CPU is disabled and before rebooting, so the state of
- * the local APIC has no dangling leftovers. Also used to cleanout any BIOS
- * leftovers during boot.
- */
-void clear_local_APIC(void)
-{
-	int maxlvt;
-	u32 v;
-
-	/* APIC hasn't been mapped yet */
-	if (!apic_phys)
-		return;
-
-	maxlvt = lapic_get_maxlvt();
-	/*
-	 * Masking an LVT entry can trigger a local APIC error
-	 * if the vector is zero. Mask LVTERR first to prevent this.
-	 */
-	if (maxlvt >= 3) {
-		v = ERROR_APIC_VECTOR; /* any non-zero vector will do */
-		apic_write(APIC_LVTERR, v | APIC_LVT_MASKED);
-	}
-	/*
-	 * Careful: we have to set masks only first to deassert
-	 * any level-triggered sources.
-	 */
-	v = apic_read(APIC_LVTT);
-	apic_write(APIC_LVTT, v | APIC_LVT_MASKED);
-	v = apic_read(APIC_LVT0);
-	apic_write(APIC_LVT0, v | APIC_LVT_MASKED);
-	v = apic_read(APIC_LVT1);
-	apic_write(APIC_LVT1, v | APIC_LVT_MASKED);
-	if (maxlvt >= 4) {
-		v = apic_read(APIC_LVTPC);
-		apic_write(APIC_LVTPC, v | APIC_LVT_MASKED);
-	}
-
-	/* lets not touch this if we didn't frob it */
-#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(X86_MCE_INTEL)
-	if (maxlvt >= 5) {
-		v = apic_read(APIC_LVTTHMR);
-		apic_write(APIC_LVTTHMR, v | APIC_LVT_MASKED);
-	}
-#endif
-	/*
-	 * Clean APIC state for other OSs:
-	 */
-	apic_write(APIC_LVTT, APIC_LVT_MASKED);
-	apic_write(APIC_LVT0, APIC_LVT_MASKED);
-	apic_write(APIC_LVT1, APIC_LVT_MASKED);
-	if (maxlvt >= 3)
-		apic_write(APIC_LVTERR, APIC_LVT_MASKED);
-	if (maxlvt >= 4)
-		apic_write(APIC_LVTPC, APIC_LVT_MASKED);
-
-	/* Integrated APIC (!82489DX) ? */
-	if (lapic_is_integrated()) {
-		if (maxlvt > 3)
-			/* Clear ESR due to Pentium errata 3AP and 11AP */
-			apic_write(APIC_ESR, 0);
-		apic_read(APIC_ESR);
-	}
-}
-
-/**
- * disable_local_APIC - clear and disable the local APIC
- */
-void disable_local_APIC(void)
-{
-	unsigned int value;
-
-	clear_local_APIC();
-
-	/*
-	 * Disable APIC (implies clearing of registers
-	 * for 82489DX!).
-	 */
-	value = apic_read(APIC_SPIV);
-	value &= ~APIC_SPIV_APIC_ENABLED;
-	apic_write(APIC_SPIV, value);
-
-#ifdef CONFIG_X86_32
-	/*
-	 * When LAPIC was disabled by the BIOS and enabled by the kernel,
-	 * restore the disabled state.
-	 */
-	if (enabled_via_apicbase) {
-		unsigned int l, h;
-
-		rdmsr(MSR_IA32_APICBASE, l, h);
-		l &= ~MSR_IA32_APICBASE_ENABLE;
-		wrmsr(MSR_IA32_APICBASE, l, h);
-	}
-#endif
-}
-
-/*
- * If Linux enabled the LAPIC against the BIOS default disable it down before
- * re-entering the BIOS on shutdown.  Otherwise the BIOS may get confused and
- * not power-off.  Additionally clear all LVT entries before disable_local_APIC
- * for the case where Linux didn't enable the LAPIC.
- */
-void lapic_shutdown(void)
-{
-	unsigned long flags;
-
-	if (!cpu_has_apic)
-		return;
-
-	local_irq_save(flags);
-
-#ifdef CONFIG_X86_32
-	if (!enabled_via_apicbase)
-		clear_local_APIC();
-	else
-#endif
-		disable_local_APIC();
-
-
-	local_irq_restore(flags);
-}
-
-/*
- * This is to verify that we're looking at a real local APIC.
- * Check these against your board if the CPUs aren't getting
- * started for no apparent reason.
- */
-int __init verify_local_APIC(void)
-{
-	unsigned int reg0, reg1;
-
-	/*
-	 * The version register is read-only in a real APIC.
-	 */
-	reg0 = apic_read(APIC_LVR);
-	apic_printk(APIC_DEBUG, "Getting VERSION: %x\n", reg0);
-	apic_write(APIC_LVR, reg0 ^ APIC_LVR_MASK);
-	reg1 = apic_read(APIC_LVR);
-	apic_printk(APIC_DEBUG, "Getting VERSION: %x\n", reg1);
-
-	/*
-	 * The two version reads above should print the same
-	 * numbers.  If the second one is different, then we
-	 * poke at a non-APIC.
-	 */
-	if (reg1 != reg0)
-		return 0;
-
-	/*
-	 * Check if the version looks reasonably.
-	 */
-	reg1 = GET_APIC_VERSION(reg0);
-	if (reg1 == 0x00 || reg1 == 0xff)
-		return 0;
-	reg1 = lapic_get_maxlvt();
-	if (reg1 < 0x02 || reg1 == 0xff)
-		return 0;
-
-	/*
-	 * The ID register is read/write in a real APIC.
-	 */
-	reg0 = apic_read(APIC_ID);
-	apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg0);
-	apic_write(APIC_ID, reg0 ^ APIC_ID_MASK);
-	reg1 = apic_read(APIC_ID);
-	apic_printk(APIC_DEBUG, "Getting ID: %x\n", reg1);
-	apic_write(APIC_ID, reg0);
-	if (reg1 != (reg0 ^ APIC_ID_MASK))
-		return 0;
-
-	/*
-	 * The next two are just to see if we have sane values.
-	 * They're only really relevant if we're in Virtual Wire
-	 * compatibility mode, but most boxes are anymore.
-	 */
-	reg0 = apic_read(APIC_LVT0);
-	apic_printk(APIC_DEBUG, "Getting LVT0: %x\n", reg0);
-	reg1 = apic_read(APIC_LVT1);
-	apic_printk(APIC_DEBUG, "Getting LVT1: %x\n", reg1);
-
-	return 1;
-}
-
-/**
- * sync_Arb_IDs - synchronize APIC bus arbitration IDs
- */
-void __init sync_Arb_IDs(void)
-{
-	/*
-	 * Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 And not
-	 * needed on AMD.
-	 */
-	if (modern_apic() || boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
-		return;
-
-	/*
-	 * Wait for idle.
-	 */
-	apic_wait_icr_idle();
-
-	apic_printk(APIC_DEBUG, "Synchronizing Arb IDs.\n");
-	apic_write(APIC_ICR, APIC_DEST_ALLINC |
-			APIC_INT_LEVELTRIG | APIC_DM_INIT);
-}
-
-/*
- * An initial setup of the virtual wire mode.
- */
-void __init init_bsp_APIC(void)
-{
-	unsigned int value;
-
-	/*
-	 * Don't do the setup now if we have a SMP BIOS as the
-	 * through-I/O-APIC virtual wire mode might be active.
-	 */
-	if (smp_found_config || !cpu_has_apic)
-		return;
-
-	/*
-	 * Do not trust the local APIC being empty at bootup.
-	 */
-	clear_local_APIC();
-
-	/*
-	 * Enable APIC.
-	 */
-	value = apic_read(APIC_SPIV);
-	value &= ~APIC_VECTOR_MASK;
-	value |= APIC_SPIV_APIC_ENABLED;
-
-#ifdef CONFIG_X86_32
-	/* This bit is reserved on P4/Xeon and should be cleared */
-	if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
-	    (boot_cpu_data.x86 == 15))
-		value &= ~APIC_SPIV_FOCUS_DISABLED;
-	else
-#endif
-		value |= APIC_SPIV_FOCUS_DISABLED;
-	value |= SPURIOUS_APIC_VECTOR;
-	apic_write(APIC_SPIV, value);
-
-	/*
-	 * Set up the virtual wire mode.
-	 */
-	apic_write(APIC_LVT0, APIC_DM_EXTINT);
-	value = APIC_DM_NMI;
-	if (!lapic_is_integrated())		/* 82489DX */
-		value |= APIC_LVT_LEVEL_TRIGGER;
-	apic_write(APIC_LVT1, value);
-}
-
-static void __cpuinit lapic_setup_esr(void)
-{
-	unsigned long oldvalue, value, maxlvt;
-	if (lapic_is_integrated() && !esr_disable) {
-		if (esr_disable) {
-			/*
-			 * Something untraceable is creating bad interrupts on
-			 * secondary quads ... for the moment, just leave the
-			 * ESR disabled - we can't do anything useful with the
-			 * errors anyway - mbligh
-			 */
-			printk(KERN_INFO "Leaving ESR disabled.\n");
-			return;
-		}
-		/* !82489DX */
-		maxlvt = lapic_get_maxlvt();
-		if (maxlvt > 3)		/* Due to the Pentium erratum 3AP. */
-			apic_write(APIC_ESR, 0);
-		oldvalue = apic_read(APIC_ESR);
-
-		/* enables sending errors */
-		value = ERROR_APIC_VECTOR;
-		apic_write(APIC_LVTERR, value);
-		/*
-		 * spec says clear errors after enabling vector.
-		 */
-		if (maxlvt > 3)
-			apic_write(APIC_ESR, 0);
-		value = apic_read(APIC_ESR);
-		if (value != oldvalue)
-			apic_printk(APIC_VERBOSE, "ESR value before enabling "
-				"vector: 0x%08lx  after: 0x%08lx\n",
-				oldvalue, value);
-	} else {
-		printk(KERN_INFO "No ESR for 82489DX.\n");
-	}
-}
-
-
-/**
- * setup_local_APIC - setup the local APIC
- */
-void __cpuinit setup_local_APIC(void)
-{
-	unsigned int value;
-	int i, j;
-
-#ifdef CONFIG_X86_32
-	/* Pound the ESR really hard over the head with a big hammer - mbligh */
-	if (esr_disable) {
-		apic_write(APIC_ESR, 0);
-		apic_write(APIC_ESR, 0);
-		apic_write(APIC_ESR, 0);
-		apic_write(APIC_ESR, 0);
-	}
-#endif
-
-	preempt_disable();
-
-	/*
-	 * Double-check whether this APIC is really registered.
-	 * This is meaningless in clustered apic mode, so we skip it.
-	 */
-	if (!apic_id_registered())
-		BUG();
-
-	/*
-	 * Intel recommends to set DFR, LDR and TPR before enabling
-	 * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
-	 * document number 292116).  So here it goes...
-	 */
-	init_apic_ldr();
-
-	/*
-	 * Set Task Priority to 'accept all'. We never change this
-	 * later on.
-	 */
-	value = apic_read(APIC_TASKPRI);
-	value &= ~APIC_TPRI_MASK;
-	apic_write(APIC_TASKPRI, value);
-
-	/*
-	 * After a crash, we no longer service the interrupts and a pending
-	 * interrupt from previous kernel might still have ISR bit set.
-	 *
-	 * Most probably by now CPU has serviced that pending interrupt and
-	 * it might not have done the ack_APIC_irq() because it thought,
-	 * interrupt came from i8259 as ExtInt. LAPIC did not get EOI so it
-	 * does not clear the ISR bit and cpu thinks it has already serivced
-	 * the interrupt. Hence a vector might get locked. It was noticed
-	 * for timer irq (vector 0x31). Issue an extra EOI to clear ISR.
-	 */
-	for (i = APIC_ISR_NR - 1; i >= 0; i--) {
-		value = apic_read(APIC_ISR + i*0x10);
-		for (j = 31; j >= 0; j--) {
-			if (value & (1<<j))
-				ack_APIC_irq();
-		}
-	}
-
-	/*
-	 * Now that we are all set up, enable the APIC
-	 */
-	value = apic_read(APIC_SPIV);
-	value &= ~APIC_VECTOR_MASK;
-	/*
-	 * Enable APIC
-	 */
-	value |= APIC_SPIV_APIC_ENABLED;
-
-#ifdef CONFIG_X86_32
-	/*
-	 * Some unknown Intel IO/APIC (or APIC) errata is biting us with
-	 * certain networking cards. If high frequency interrupts are
-	 * happening on a particular IOAPIC pin, plus the IOAPIC routing
-	 * entry is masked/unmasked at a high rate as well then sooner or
-	 * later IOAPIC line gets 'stuck', no more interrupts are received
-	 * from the device. If focus CPU is disabled then the hang goes
-	 * away, oh well :-(
-	 *
-	 * [ This bug can be reproduced easily with a level-triggered
-	 *   PCI Ne2000 networking cards and PII/PIII processors, dual
-	 *   BX chipset. ]
-	 */
-	/*
-	 * Actually disabling the focus CPU check just makes the hang less
-	 * frequent as it makes the interrupt distributon model be more
-	 * like LRU than MRU (the short-term load is more even across CPUs).
-	 * See also the comment in end_level_ioapic_irq().  --macro
-	 */
-
-	/*
-	 * - enable focus processor (bit==0)
-	 * - 64bit mode always use processor focus
-	 *   so no need to set it
-	 */
-	value &= ~APIC_SPIV_FOCUS_DISABLED;
-#endif
-
-	/*
-	 * Set spurious IRQ vector
-	 */
-	value |= SPURIOUS_APIC_VECTOR;
-	apic_write(APIC_SPIV, value);
-
-	/*
-	 * Set up LVT0, LVT1:
-	 *
-	 * set up through-local-APIC on the BP's LINT0. This is not
-	 * strictly necessary in pure symmetric-IO mode, but sometimes
-	 * we delegate interrupts to the 8259A.
-	 */
-	/*
-	 * TODO: set up through-local-APIC from through-I/O-APIC? --macro
-	 */
-	value = apic_read(APIC_LVT0) & APIC_LVT_MASKED;
-	if (!smp_processor_id() && (pic_mode || !value)) {
-		value = APIC_DM_EXTINT;
-		apic_printk(APIC_VERBOSE, "enabled ExtINT on CPU#%d\n",
-				smp_processor_id());
-	} else {
-		value = APIC_DM_EXTINT | APIC_LVT_MASKED;
-		apic_printk(APIC_VERBOSE, "masked ExtINT on CPU#%d\n",
-				smp_processor_id());
-	}
-	apic_write(APIC_LVT0, value);
-
-	/*
-	 * only the BP should see the LINT1 NMI signal, obviously.
-	 */
-	if (!smp_processor_id())
-		value = APIC_DM_NMI;
-	else
-		value = APIC_DM_NMI | APIC_LVT_MASKED;
-	if (!lapic_is_integrated())		/* 82489DX */
-		value |= APIC_LVT_LEVEL_TRIGGER;
-	apic_write(APIC_LVT1, value);
-
-	preempt_enable();
-}
-
-void __cpuinit end_local_APIC_setup(void)
-{
-	lapic_setup_esr();
-
-#ifdef CONFIG_X86_32
-	{
-		unsigned int value;
-		/* Disable the local apic timer */
-		value = apic_read(APIC_LVTT);
-		value |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
-		apic_write(APIC_LVTT, value);
-	}
-#endif
-
-	setup_apic_nmi_watchdog(NULL);
-	apic_pm_activate();
-}
-
-#ifdef HAVE_X2APIC
-void check_x2apic(void)
-{
-	int msr, msr2;
-
-	rdmsr(MSR_IA32_APICBASE, msr, msr2);
-
-	if (msr & X2APIC_ENABLE) {
-		printk("x2apic enabled by BIOS, switching to x2apic ops\n");
-		x2apic_preenabled = x2apic = 1;
-		apic_ops = &x2apic_ops;
-	}
-}
-
-void enable_x2apic(void)
-{
-	int msr, msr2;
-
-	rdmsr(MSR_IA32_APICBASE, msr, msr2);
-	if (!(msr & X2APIC_ENABLE)) {
-		printk("Enabling x2apic\n");
-		wrmsr(MSR_IA32_APICBASE, msr | X2APIC_ENABLE, 0);
-	}
-}
-
-void enable_IR_x2apic(void)
-{
-#ifdef CONFIG_INTR_REMAP
-	int ret;
-	unsigned long flags;
-
-	if (!cpu_has_x2apic)
-		return;
-
-	if (!x2apic_preenabled && disable_x2apic) {
-		printk(KERN_INFO
-		       "Skipped enabling x2apic and Interrupt-remapping "
-		       "because of nox2apic\n");
-		return;
-	}
-
-	if (x2apic_preenabled && disable_x2apic)
-		panic("Bios already enabled x2apic, can't enforce nox2apic");
-
-	if (!x2apic_preenabled && skip_ioapic_setup) {
-		printk(KERN_INFO
-		       "Skipped enabling x2apic and Interrupt-remapping "
-		       "because of skipping io-apic setup\n");
-		return;
-	}
-
-	ret = dmar_table_init();
-	if (ret) {
-		printk(KERN_INFO
-		       "dmar_table_init() failed with %d:\n", ret);
-
-		if (x2apic_preenabled)
-			panic("x2apic enabled by bios. But IR enabling failed");
-		else
-			printk(KERN_INFO
-			       "Not enabling x2apic,Intr-remapping\n");
-		return;
-	}
-
-	local_irq_save(flags);
-	mask_8259A();
-	save_mask_IO_APIC_setup();
-
-	ret = enable_intr_remapping(1);
-
-	if (ret && x2apic_preenabled) {
-		local_irq_restore(flags);
-		panic("x2apic enabled by bios. But IR enabling failed");
-	}
-
-	if (ret)
-		goto end;
-
-	if (!x2apic) {
-		x2apic = 1;
-		apic_ops = &x2apic_ops;
-		enable_x2apic();
-	}
-end:
-	if (ret)
-		/*
-		 * IR enabling failed
-		 */
-		restore_IO_APIC_setup();
-	else
-		reinit_intr_remapped_IO_APIC(x2apic_preenabled);
-
-	unmask_8259A();
-	local_irq_restore(flags);
-
-	if (!ret) {
-		if (!x2apic_preenabled)
-			printk(KERN_INFO
-			       "Enabled x2apic and interrupt-remapping\n");
-		else
-			printk(KERN_INFO
-			       "Enabled Interrupt-remapping\n");
-	} else
-		printk(KERN_ERR
-		       "Failed to enable Interrupt-remapping and x2apic\n");
-#else
-	if (!cpu_has_x2apic)
-		return;
-
-	if (x2apic_preenabled)
-		panic("x2apic enabled prior OS handover,"
-		      " enable CONFIG_INTR_REMAP");
-
-	printk(KERN_INFO "Enable CONFIG_INTR_REMAP for enabling intr-remapping "
-	       " and x2apic\n");
-#endif
-
-	return;
-}
-#endif /* HAVE_X2APIC */
-
-#ifdef CONFIG_X86_64
-/*
- * Detect and enable local APICs on non-SMP boards.
- * Original code written by Keir Fraser.
- * On AMD64 we trust the BIOS - if it says no APIC it is likely
- * not correctly set up (usually the APIC timer won't work etc.)
- */
-static int __init detect_init_APIC(void)
-{
-	if (!cpu_has_apic) {
-		printk(KERN_INFO "No local APIC present\n");
-		return -1;
-	}
-
-	mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
-	boot_cpu_physical_apicid = 0;
-	return 0;
-}
-#else
-/*
- * Detect and initialize APIC
- */
-static int __init detect_init_APIC(void)
-{
-	u32 h, l, features;
-
-	/* Disabled by kernel option? */
-	if (disable_apic)
-		return -1;
-
-	switch (boot_cpu_data.x86_vendor) {
-	case X86_VENDOR_AMD:
-		if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model > 1) ||
-		    (boot_cpu_data.x86 == 15))
-			break;
-		goto no_apic;
-	case X86_VENDOR_INTEL:
-		if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 ||
-		    (boot_cpu_data.x86 == 5 && cpu_has_apic))
-			break;
-		goto no_apic;
-	default:
-		goto no_apic;
-	}
-
-	if (!cpu_has_apic) {
-		/*
-		 * Over-ride BIOS and try to enable the local APIC only if
-		 * "lapic" specified.
-		 */
-		if (!force_enable_local_apic) {
-			printk(KERN_INFO "Local APIC disabled by BIOS -- "
-			       "you can enable it with \"lapic\"\n");
-			return -1;
-		}
-		/*
-		 * Some BIOSes disable the local APIC in the APIC_BASE
-		 * MSR. This can only be done in software for Intel P6 or later
-		 * and AMD K7 (Model > 1) or later.
-		 */
-		rdmsr(MSR_IA32_APICBASE, l, h);
-		if (!(l & MSR_IA32_APICBASE_ENABLE)) {
-			printk(KERN_INFO
-			       "Local APIC disabled by BIOS -- reenabling.\n");
-			l &= ~MSR_IA32_APICBASE_BASE;
-			l |= MSR_IA32_APICBASE_ENABLE | APIC_DEFAULT_PHYS_BASE;
-			wrmsr(MSR_IA32_APICBASE, l, h);
-			enabled_via_apicbase = 1;
-		}
-	}
-	/*
-	 * The APIC feature bit should now be enabled
-	 * in `cpuid'
-	 */
-	features = cpuid_edx(1);
-	if (!(features & (1 << X86_FEATURE_APIC))) {
-		printk(KERN_WARNING "Could not enable APIC!\n");
-		return -1;
-	}
-	set_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
-	mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
-
-	/* The BIOS may have set up the APIC at some other address */
-	rdmsr(MSR_IA32_APICBASE, l, h);
-	if (l & MSR_IA32_APICBASE_ENABLE)
-		mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
-
-	printk(KERN_INFO "Found and enabled local APIC!\n");
-
-	apic_pm_activate();
-
-	return 0;
-
-no_apic:
-	printk(KERN_INFO "No local APIC present or hardware disabled\n");
-	return -1;
-}
-#endif
-
-#ifdef CONFIG_X86_64
-void __init early_init_lapic_mapping(void)
-{
-	unsigned long phys_addr;
-
-	/*
-	 * If no local APIC can be found then go out
-	 * : it means there is no mpatable and MADT
-	 */
-	if (!smp_found_config)
-		return;
-
-	phys_addr = mp_lapic_addr;
-
-	set_fixmap_nocache(FIX_APIC_BASE, phys_addr);
-	apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n",
-		    APIC_BASE, phys_addr);
-
-	/*
-	 * Fetch the APIC ID of the BSP in case we have a
-	 * default configuration (or the MP table is broken).
-	 */
-	boot_cpu_physical_apicid = read_apic_id();
-}
-#endif
-
-/**
- * init_apic_mappings - initialize APIC mappings
- */
-void __init init_apic_mappings(void)
-{
-#ifdef HAVE_X2APIC
-	if (x2apic) {
-		boot_cpu_physical_apicid = read_apic_id();
-		return;
-	}
-#endif
-
-	/*
-	 * If no local APIC can be found then set up a fake all
-	 * zeroes page to simulate the local APIC and another
-	 * one for the IO-APIC.
-	 */
-	if (!smp_found_config && detect_init_APIC()) {
-		apic_phys = (unsigned long) alloc_bootmem_pages(PAGE_SIZE);
-		apic_phys = __pa(apic_phys);
-	} else
-		apic_phys = mp_lapic_addr;
-
-	set_fixmap_nocache(FIX_APIC_BASE, apic_phys);
-	apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n",
-				APIC_BASE, apic_phys);
-
-	/*
-	 * Fetch the APIC ID of the BSP in case we have a
-	 * default configuration (or the MP table is broken).
-	 */
-	if (boot_cpu_physical_apicid == -1U)
-		boot_cpu_physical_apicid = read_apic_id();
-}
-
-/*
- * This initializes the IO-APIC and APIC hardware if this is
- * a UP kernel.
- */
-int apic_version[MAX_APICS];
-
-int __init APIC_init_uniprocessor(void)
-{
-#ifdef CONFIG_X86_64
-	if (disable_apic) {
-		printk(KERN_INFO "Apic disabled\n");
-		return -1;
-	}
-	if (!cpu_has_apic) {
-		disable_apic = 1;
-		printk(KERN_INFO "Apic disabled by BIOS\n");
-		return -1;
-	}
-#else
-	if (!smp_found_config && !cpu_has_apic)
-		return -1;
-
-	/*
-	 * Complain if the BIOS pretends there is one.
-	 */
-	if (!cpu_has_apic &&
-	    APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
-		printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n",
-		       boot_cpu_physical_apicid);
-		clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
-		return -1;
-	}
-#endif
-
-#ifdef HAVE_X2APIC
-	enable_IR_x2apic();
-#endif
-#ifdef CONFIG_X86_64
-	setup_apic_routing();
-#endif
-
-	verify_local_APIC();
-	connect_bsp_APIC();
-
-#ifdef CONFIG_X86_64
-	apic_write(APIC_ID, SET_APIC_ID(boot_cpu_physical_apicid));
-#else
-	/*
-	 * Hack: In case of kdump, after a crash, kernel might be booting
-	 * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid
-	 * might be zero if read from MP tables. Get it from LAPIC.
-	 */
-# ifdef CONFIG_CRASH_DUMP
-	boot_cpu_physical_apicid = read_apic_id();
-# endif
-#endif
-	physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
-	setup_local_APIC();
-
-#ifdef CONFIG_X86_64
-	/*
-	 * Now enable IO-APICs, actually call clear_IO_APIC
-	 * We need clear_IO_APIC before enabling vector on BP
-	 */
-	if (!skip_ioapic_setup && nr_ioapics)
-		enable_IO_APIC();
-#endif
-
-#ifdef CONFIG_X86_IO_APIC
-	if (!smp_found_config || skip_ioapic_setup || !nr_ioapics)
-#endif
-		localise_nmi_watchdog();
-	end_local_APIC_setup();
-
-#ifdef CONFIG_X86_IO_APIC
-	if (smp_found_config && !skip_ioapic_setup && nr_ioapics)
-		setup_IO_APIC();
-# ifdef CONFIG_X86_64
-	else
-		nr_ioapics = 0;
-# endif
-#endif
-
-#ifdef CONFIG_X86_64
-	setup_boot_APIC_clock();
-	check_nmi_watchdog();
-#else
-	setup_boot_clock();
-#endif
-
-	return 0;
-}
-
-/*
- * Local APIC interrupts
- */
-
-/*
- * This interrupt should _never_ happen with our APIC/SMP architecture
- */
-#ifdef CONFIG_X86_64
-asmlinkage void smp_spurious_interrupt(void)
-#else
-void smp_spurious_interrupt(struct pt_regs *regs)
-#endif
-{
-	u32 v;
-
-#ifdef CONFIG_X86_64
-	exit_idle();
-#endif
-	irq_enter();
-	/*
-	 * Check if this really is a spurious interrupt and ACK it
-	 * if it is a vectored one.  Just in case...
-	 * Spurious interrupts should not be ACKed.
-	 */
-	v = apic_read(APIC_ISR + ((SPURIOUS_APIC_VECTOR & ~0x1f) >> 1));
-	if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f)))
-		ack_APIC_irq();
-
-#ifdef CONFIG_X86_64
-	add_pda(irq_spurious_count, 1);
-#else
-	/* see sw-dev-man vol 3, chapter 7.4.13.5 */
-	printk(KERN_INFO "spurious APIC interrupt on CPU#%d, "
-	       "should never happen.\n", smp_processor_id());
-	__get_cpu_var(irq_stat).irq_spurious_count++;
-#endif
-	irq_exit();
-}
-
-/*
- * This interrupt should never happen with our APIC/SMP architecture
- */
-#ifdef CONFIG_X86_64
-asmlinkage void smp_error_interrupt(void)
-#else
-void smp_error_interrupt(struct pt_regs *regs)
-#endif
-{
-	u32 v, v1;
-
-#ifdef CONFIG_X86_64
-	exit_idle();
-#endif
-	irq_enter();
-	/* First tickle the hardware, only then report what went on. -- REW */
-	v = apic_read(APIC_ESR);
-	apic_write(APIC_ESR, 0);
-	v1 = apic_read(APIC_ESR);
-	ack_APIC_irq();
-	atomic_inc(&irq_err_count);
-
-	/* Here is what the APIC error bits mean:
-	   0: Send CS error
-	   1: Receive CS error
-	   2: Send accept error
-	   3: Receive accept error
-	   4: Reserved
-	   5: Send illegal vector
-	   6: Received illegal vector
-	   7: Illegal register address
-	*/
-	printk(KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n",
-		smp_processor_id(), v , v1);
-	irq_exit();
-}
-
-/**
- * connect_bsp_APIC - attach the APIC to the interrupt system
- */
-void __init connect_bsp_APIC(void)
-{
-#ifdef CONFIG_X86_32
-	if (pic_mode) {
-		/*
-		 * Do not trust the local APIC being empty at bootup.
-		 */
-		clear_local_APIC();
-		/*
-		 * PIC mode, enable APIC mode in the IMCR, i.e.  connect BSP's
-		 * local APIC to INT and NMI lines.
-		 */
-		apic_printk(APIC_VERBOSE, "leaving PIC mode, "
-				"enabling APIC mode.\n");
-		outb(0x70, 0x22);
-		outb(0x01, 0x23);
-	}
-#endif
-	enable_apic_mode();
-}
-
-/**
- * disconnect_bsp_APIC - detach the APIC from the interrupt system
- * @virt_wire_setup:	indicates, whether virtual wire mode is selected
- *
- * Virtual wire mode is necessary to deliver legacy interrupts even when the
- * APIC is disabled.
- */
-void disconnect_bsp_APIC(int virt_wire_setup)
-{
-	unsigned int value;
-
-#ifdef CONFIG_X86_32
-	if (pic_mode) {
-		/*
-		 * Put the board back into PIC mode (has an effect only on
-		 * certain older boards).  Note that APIC interrupts, including
-		 * IPIs, won't work beyond this point!  The only exception are
-		 * INIT IPIs.
-		 */
-		apic_printk(APIC_VERBOSE, "disabling APIC mode, "
-				"entering PIC mode.\n");
-		outb(0x70, 0x22);
-		outb(0x00, 0x23);
-		return;
-	}
-#endif
-
-	/* Go back to Virtual Wire compatibility mode */
-
-	/* For the spurious interrupt use vector F, and enable it */
-	value = apic_read(APIC_SPIV);
-	value &= ~APIC_VECTOR_MASK;
-	value |= APIC_SPIV_APIC_ENABLED;
-	value |= 0xf;
-	apic_write(APIC_SPIV, value);
-
-	if (!virt_wire_setup) {
-		/*
-		 * For LVT0 make it edge triggered, active high,
-		 * external and enabled
-		 */
-		value = apic_read(APIC_LVT0);
-		value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING |
-			APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR |
-			APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED);
-		value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING;
-		value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_EXTINT);
-		apic_write(APIC_LVT0, value);
-	} else {
-		/* Disable LVT0 */
-		apic_write(APIC_LVT0, APIC_LVT_MASKED);
-	}
-
-	/*
-	 * For LVT1 make it edge triggered, active high,
-	 * nmi and enabled
-	 */
-	value = apic_read(APIC_LVT1);
-	value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING |
-			APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR |
-			APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED);
-	value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING;
-	value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_NMI);
-	apic_write(APIC_LVT1, value);
-}
-
-void __cpuinit generic_processor_info(int apicid, int version)
-{
-	int cpu;
-	cpumask_t tmp_map;
-
-	/*
-	 * Validate version
-	 */
-	if (version == 0x0) {
-		printk(KERN_WARNING "BIOS bug, APIC version is 0 for CPU#%d! "
-				"fixing up to 0x10. (tell your hw vendor)\n",
-				version);
-		version = 0x10;
-	}
-	apic_version[apicid] = version;
-
-	if (num_processors >= NR_CPUS) {
-		printk(KERN_WARNING "WARNING: NR_CPUS limit of %i reached."
-			"  Processor ignored.\n", NR_CPUS);
-		return;
-	}
-
-	num_processors++;
-	cpus_complement(tmp_map, cpu_present_map);
-	cpu = first_cpu(tmp_map);
-
-	physid_set(apicid, phys_cpu_present_map);
-	if (apicid == boot_cpu_physical_apicid) {
-		/*
-		 * x86_bios_cpu_apicid is required to have processors listed
-		 * in same order as logical cpu numbers. Hence the first
-		 * entry is BSP, and so on.
-		 */
-		cpu = 0;
-	}
-	if (apicid > max_physical_apicid)
-		max_physical_apicid = apicid;
-
-#ifdef CONFIG_X86_32
-	/*
-	 * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
-	 * but we need to work other dependencies like SMP_SUSPEND etc
-	 * before this can be done without some confusion.
-	 * if (CPU_HOTPLUG_ENABLED || num_processors > 8)
-	 *       - Ashok Raj <ashok.raj@intel.com>
-	 */
-	if (max_physical_apicid >= 8) {
-		switch (boot_cpu_data.x86_vendor) {
-		case X86_VENDOR_INTEL:
-			if (!APIC_XAPIC(version)) {
-				def_to_bigsmp = 0;
-				break;
-			}
-			/* If P4 and above fall through */
-		case X86_VENDOR_AMD:
-			def_to_bigsmp = 1;
-		}
-	}
-#endif
-
-#if defined(CONFIG_X86_SMP) || defined(CONFIG_X86_64)
-	/* are we being called early in kernel startup? */
-	if (early_per_cpu_ptr(x86_cpu_to_apicid)) {
-		u16 *cpu_to_apicid = early_per_cpu_ptr(x86_cpu_to_apicid);
-		u16 *bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid);
-
-		cpu_to_apicid[cpu] = apicid;
-		bios_cpu_apicid[cpu] = apicid;
-	} else {
-		per_cpu(x86_cpu_to_apicid, cpu) = apicid;
-		per_cpu(x86_bios_cpu_apicid, cpu) = apicid;
-	}
-#endif
-
-	cpu_set(cpu, cpu_possible_map);
-	cpu_set(cpu, cpu_present_map);
-}
-
-#ifdef CONFIG_X86_64
-int hard_smp_processor_id(void)
-{
-	return read_apic_id();
-}
-#endif
-
-/*
- * Power management
- */
-#ifdef CONFIG_PM
-
-static struct {
-	/*
-	 * 'active' is true if the local APIC was enabled by us and
-	 * not the BIOS; this signifies that we are also responsible
-	 * for disabling it before entering apm/acpi suspend
-	 */
-	int active;
-	/* r/w apic fields */
-	unsigned int apic_id;
-	unsigned int apic_taskpri;
-	unsigned int apic_ldr;
-	unsigned int apic_dfr;
-	unsigned int apic_spiv;
-	unsigned int apic_lvtt;
-	unsigned int apic_lvtpc;
-	unsigned int apic_lvt0;
-	unsigned int apic_lvt1;
-	unsigned int apic_lvterr;
-	unsigned int apic_tmict;
-	unsigned int apic_tdcr;
-	unsigned int apic_thmr;
-} apic_pm_state;
-
-static int lapic_suspend(struct sys_device *dev, pm_message_t state)
-{
-	unsigned long flags;
-	int maxlvt;
-
-	if (!apic_pm_state.active)
-		return 0;
-
-	maxlvt = lapic_get_maxlvt();
-
-	apic_pm_state.apic_id = apic_read(APIC_ID);
-	apic_pm_state.apic_taskpri = apic_read(APIC_TASKPRI);
-	apic_pm_state.apic_ldr = apic_read(APIC_LDR);
-	apic_pm_state.apic_dfr = apic_read(APIC_DFR);
-	apic_pm_state.apic_spiv = apic_read(APIC_SPIV);
-	apic_pm_state.apic_lvtt = apic_read(APIC_LVTT);
-	if (maxlvt >= 4)
-		apic_pm_state.apic_lvtpc = apic_read(APIC_LVTPC);
-	apic_pm_state.apic_lvt0 = apic_read(APIC_LVT0);
-	apic_pm_state.apic_lvt1 = apic_read(APIC_LVT1);
-	apic_pm_state.apic_lvterr = apic_read(APIC_LVTERR);
-	apic_pm_state.apic_tmict = apic_read(APIC_TMICT);
-	apic_pm_state.apic_tdcr = apic_read(APIC_TDCR);
-#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL)
-	if (maxlvt >= 5)
-		apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR);
-#endif
-
-	local_irq_save(flags);
-	disable_local_APIC();
-	local_irq_restore(flags);
-	return 0;
-}
-
-static int lapic_resume(struct sys_device *dev)
-{
-	unsigned int l, h;
-	unsigned long flags;
-	int maxlvt;
-
-	if (!apic_pm_state.active)
-		return 0;
-
-	maxlvt = lapic_get_maxlvt();
-
-	local_irq_save(flags);
-
-#ifdef HAVE_X2APIC
-	if (x2apic)
-		enable_x2apic();
-	else
-#endif
-	{
-		/*
-		 * Make sure the APICBASE points to the right address
-		 *
-		 * FIXME! This will be wrong if we ever support suspend on
-		 * SMP! We'll need to do this as part of the CPU restore!
-		 */
-		rdmsr(MSR_IA32_APICBASE, l, h);
-		l &= ~MSR_IA32_APICBASE_BASE;
-		l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr;
-		wrmsr(MSR_IA32_APICBASE, l, h);
-	}
-
-	apic_write(APIC_LVTERR, ERROR_APIC_VECTOR | APIC_LVT_MASKED);
-	apic_write(APIC_ID, apic_pm_state.apic_id);
-	apic_write(APIC_DFR, apic_pm_state.apic_dfr);
-	apic_write(APIC_LDR, apic_pm_state.apic_ldr);
-	apic_write(APIC_TASKPRI, apic_pm_state.apic_taskpri);
-	apic_write(APIC_SPIV, apic_pm_state.apic_spiv);
-	apic_write(APIC_LVT0, apic_pm_state.apic_lvt0);
-	apic_write(APIC_LVT1, apic_pm_state.apic_lvt1);
-#if defined(CONFIG_X86_MCE_P4THERMAL) || defined(CONFIG_X86_MCE_INTEL)
-	if (maxlvt >= 5)
-		apic_write(APIC_LVTTHMR, apic_pm_state.apic_thmr);
-#endif
-	if (maxlvt >= 4)
-		apic_write(APIC_LVTPC, apic_pm_state.apic_lvtpc);
-	apic_write(APIC_LVTT, apic_pm_state.apic_lvtt);
-	apic_write(APIC_TDCR, apic_pm_state.apic_tdcr);
-	apic_write(APIC_TMICT, apic_pm_state.apic_tmict);
-	apic_write(APIC_ESR, 0);
-	apic_read(APIC_ESR);
-	apic_write(APIC_LVTERR, apic_pm_state.apic_lvterr);
-	apic_write(APIC_ESR, 0);
-	apic_read(APIC_ESR);
-
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-/*
- * This device has no shutdown method - fully functioning local APICs
- * are needed on every CPU up until machine_halt/restart/poweroff.
- */
-
-static struct sysdev_class lapic_sysclass = {
-	.name		= "lapic",
-	.resume		= lapic_resume,
-	.suspend	= lapic_suspend,
-};
-
-static struct sys_device device_lapic = {
-	.id	= 0,
-	.cls	= &lapic_sysclass,
-};
-
-static void __cpuinit apic_pm_activate(void)
-{
-	apic_pm_state.active = 1;
-}
-
-static int __init init_lapic_sysfs(void)
-{
-	int error;
-
-	if (!cpu_has_apic)
-		return 0;
-	/* XXX: remove suspend/resume procs if !apic_pm_state.active? */
-
-	error = sysdev_class_register(&lapic_sysclass);
-	if (!error)
-		error = sysdev_register(&device_lapic);
-	return error;
-}
-device_initcall(init_lapic_sysfs);
-
-#else	/* CONFIG_PM */
-
-static void apic_pm_activate(void) { }
-
-#endif	/* CONFIG_PM */
-
-#ifdef CONFIG_X86_64
-/*
- * apic_is_clustered_box() -- Check if we can expect good TSC
- *
- * Thus far, the major user of this is IBM's Summit2 series:
- *
- * Clustered boxes may have unsynced TSC problems if they are
- * multi-chassis. Use available data to take a good guess.
- * If in doubt, go HPET.
- */
-__cpuinit int apic_is_clustered_box(void)
-{
-	int i, clusters, zeros;
-	unsigned id;
-	u16 *bios_cpu_apicid;
-	DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS);
-
-	/*
-	 * there is not this kind of box with AMD CPU yet.
-	 * Some AMD box with quadcore cpu and 8 sockets apicid
-	 * will be [4, 0x23] or [8, 0x27] could be thought to
-	 * vsmp box still need checking...
-	 */
-	if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD) && !is_vsmp_box())
-		return 0;
-
-	bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid);
-	bitmap_zero(clustermap, NUM_APIC_CLUSTERS);
-
-	for (i = 0; i < NR_CPUS; i++) {
-		/* are we being called early in kernel startup? */
-		if (bios_cpu_apicid) {
-			id = bios_cpu_apicid[i];
-		}
-		else if (i < nr_cpu_ids) {
-			if (cpu_present(i))
-				id = per_cpu(x86_bios_cpu_apicid, i);
-			else
-				continue;
-		}
-		else
-			break;
-
-		if (id != BAD_APICID)
-			__set_bit(APIC_CLUSTERID(id), clustermap);
-	}
-
-	/* Problem:  Partially populated chassis may not have CPUs in some of
-	 * the APIC clusters they have been allocated.  Only present CPUs have
-	 * x86_bios_cpu_apicid entries, thus causing zeroes in the bitmap.
-	 * Since clusters are allocated sequentially, count zeros only if
-	 * they are bounded by ones.
-	 */
-	clusters = 0;
-	zeros = 0;
-	for (i = 0; i < NUM_APIC_CLUSTERS; i++) {
-		if (test_bit(i, clustermap)) {
-			clusters += 1 + zeros;
-			zeros = 0;
-		} else
-			++zeros;
-	}
-
-	/* ScaleMP vSMPowered boxes have one cluster per board and TSCs are
-	 * not guaranteed to be synced between boards
-	 */
-	if (is_vsmp_box() && clusters > 1)
-		return 1;
-
-	/*
-	 * If clusters > 2, then should be multi-chassis.
-	 * May have to revisit this when multi-core + hyperthreaded CPUs come
-	 * out, but AFAIK this will work even for them.
-	 */
-	return (clusters > 2);
-}
-#endif
-
-/*
- * APIC command line parameters
- */
-static int __init setup_disableapic(char *arg)
-{
-	disable_apic = 1;
-	setup_clear_cpu_cap(X86_FEATURE_APIC);
-	return 0;
-}
-early_param("disableapic", setup_disableapic);
-
-/* same as disableapic, for compatibility */
-static int __init setup_nolapic(char *arg)
-{
-	return setup_disableapic(arg);
-}
-early_param("nolapic", setup_nolapic);
-
-static int __init parse_lapic_timer_c2_ok(char *arg)
-{
-	local_apic_timer_c2_ok = 1;
-	return 0;
-}
-early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok);
-
-static int __init parse_disable_apic_timer(char *arg)
-{
-	disable_apic_timer = 1;
-	return 0;
-}
-early_param("noapictimer", parse_disable_apic_timer);
-
-static int __init parse_nolapic_timer(char *arg)
-{
-	disable_apic_timer = 1;
-	return 0;
-}
-early_param("nolapic_timer", parse_nolapic_timer);
-
-static int __init apic_set_verbosity(char *arg)
-{
-	if (!arg)  {
-#ifdef CONFIG_X86_64
-		skip_ioapic_setup = 0;
-		ioapic_force = 1;
-		return 0;
-#endif
-		return -EINVAL;
-	}
-
-	if (strcmp("debug", arg) == 0)
-		apic_verbosity = APIC_DEBUG;
-	else if (strcmp("verbose", arg) == 0)
-		apic_verbosity = APIC_VERBOSE;
-	else {
-		printk(KERN_WARNING "APIC Verbosity level %s not recognised"
-			" use apic=verbose or apic=debug\n", arg);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-early_param("apic", apic_set_verbosity);
-
-static int __init lapic_insert_resource(void)
-{
-	if (!apic_phys)
-		return -1;
-
-	/* Put local APIC into the resource map. */
-	lapic_resource.start = apic_phys;
-	lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1;
-	insert_resource(&iomem_resource, &lapic_resource);
-
-	return 0;
-}
-
-/*
- * need call insert after e820_reserve_resources()
- * that is using request_resource
- */
-late_initcall(lapic_insert_resource);
-- 
GitLab


From e492c5ae85428d4a3815d06bf308c590120b928b Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 24 Aug 2008 22:41:26 -0700
Subject: [PATCH 0720/2224] x86: let 64 bit to use 32 bit calibrate_apic_clock

Use the 32-bit APIC calibration code - it's more mature.

Signed-of-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c | 88 +-----------------------------------------
 1 file changed, 2 insertions(+), 86 deletions(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 6e99af5ce67..ca5ef71f420 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -478,90 +478,6 @@ static void __cpuinit setup_APIC_timer(void)
 	clockevents_register_device(levt);
 }
 
-#ifdef CONFIG_X86_64
-/*
- * In this function we calibrate APIC bus clocks to the external
- * timer. Unfortunately we cannot use jiffies and the timer irq
- * to calibrate, since some later bootup code depends on getting
- * the first irq? Ugh.
- *
- * We want to do the calibration only once since we
- * want to have local timer irqs syncron. CPUs connected
- * by the same APIC bus have the very same bus frequency.
- * And we want to have irqs off anyways, no accidental
- * APIC irq that way.
- */
-
-#define TICK_COUNT 100000000
-
-static int __init calibrate_APIC_clock(void)
-{
-	unsigned apic, apic_start;
-	unsigned long tsc, tsc_start;
-	int result;
-
-	local_irq_disable();
-
-	/*
-	 * Put whatever arbitrary (but long enough) timeout
-	 * value into the APIC clock, we just want to get the
-	 * counter running for calibration.
-	 *
-	 * No interrupt enable !
-	 */
-	__setup_APIC_LVTT(250000000, 0, 0);
-
-	apic_start = apic_read(APIC_TMCCT);
-#ifdef CONFIG_X86_PM_TIMER
-	if (apic_calibrate_pmtmr && pmtmr_ioport) {
-		pmtimer_wait(5000);  /* 5ms wait */
-		apic = apic_read(APIC_TMCCT);
-		result = (apic_start - apic) * 1000L / 5;
-	} else
-#endif
-	{
-		rdtscll(tsc_start);
-
-		do {
-			apic = apic_read(APIC_TMCCT);
-			rdtscll(tsc);
-		} while ((tsc - tsc_start) < TICK_COUNT &&
-				(apic_start - apic) < TICK_COUNT);
-
-		result = (apic_start - apic) * 1000L * tsc_khz /
-					(tsc - tsc_start);
-	}
-
-	local_irq_enable();
-
-	printk(KERN_DEBUG "APIC timer calibration result %d\n", result);
-
-	printk(KERN_INFO "Detected %d.%03d MHz APIC timer.\n",
-		result / 1000 / 1000, result / 1000 % 1000);
-
-	/* Calculate the scaled math multiplication factor */
-	lapic_clockevent.mult = div_sc(result, NSEC_PER_SEC,
-				       lapic_clockevent.shift);
-	lapic_clockevent.max_delta_ns =
-		clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
-	lapic_clockevent.min_delta_ns =
-		clockevent_delta2ns(0xF, &lapic_clockevent);
-
-	calibration_result = (result * APIC_DIVISOR) / HZ;
-
-	/*
-	 * Do a sanity check on the APIC calibration result
-	 */
-	if (calibration_result < (1000000 / HZ)) {
-		printk(KERN_WARNING
-			"APIC frequency too slow, disabling apic timer\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-#else
 /*
  * In this functions we calibrate APIC bus clocks to the external timer.
  *
@@ -659,6 +575,7 @@ static int __init calibrate_APIC_clock(void)
 	delta = lapic_cal_t1 - lapic_cal_t2;
 	apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta);
 
+#ifdef CONFIG_X86_PM_TIMER
 	/* Check, if the PM timer is available */
 	deltapm = lapic_cal_pm2 - lapic_cal_pm1;
 	apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm);
@@ -687,6 +604,7 @@ static int __init calibrate_APIC_clock(void)
 		}
 		pm_referenced = 1;
 	}
+#endif
 
 	/* Calculate the scaled math multiplication factor */
 	lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS,
@@ -773,8 +691,6 @@ static int __init calibrate_APIC_clock(void)
 	return 0;
 }
 
-#endif
-
 /*
  * Setup the boot APIC
  *
-- 
GitLab


From 8c464a4b23ca283b414022ebc77787f3c7040fa7 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Mon, 25 Aug 2008 12:41:19 -0700
Subject: [PATCH 0721/2224] sparseirq: move kstat_irqs from kstat to irq_desc -
 fix

fix non-sparseirq architectures.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/irq.h         |  4 ++--
 include/linux/kernel_stat.h | 10 ++++++++--
 kernel/irq/chip.c           | 21 ++++++++++++++++++++-
 kernel/irq/handle.c         | 10 ++++++++++
 4 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 2445d2b3d5d..93fe9a943e7 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -161,8 +161,6 @@ struct irq_desc {
 #endif
 #ifdef CONFIG_HAVE_DYN_ARRAY
 	unsigned int            *kstat_irqs;
-#else
-	unsigned int            kstat_irqs[NR_CPUS];
 #endif
 #if defined(CONFIG_INTR_REMAP) && defined(CONFIG_HAVE_SPARSE_IRQ)
        struct irq_2_iommu      *irq_2_iommu;
@@ -219,8 +217,10 @@ extern struct irq_desc *sparse_irqs;
 
 #endif
 
+#ifdef CONFIG_HAVE_DYN_ARRAY
 #define kstat_irqs_this_cpu(DESC) \
 	((DESC)->kstat_irqs[smp_processor_id()])
+#endif
 
 /*
  * Migration helpers for obsolete names, they will go away:
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index f10616712de..21249d8c129 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,7 +28,7 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
 	struct cpu_usage_stat	cpustat;
-#ifndef CONFIG_GENERIC_HARDIRQS
+#ifndef CONFIG_HAVE_DYN_ARRAY
        unsigned int irqs[NR_IRQS];
 #endif
 };
@@ -41,7 +41,13 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
 
 extern unsigned long long nr_context_switches(void);
 
-#ifndef CONFIG_GENERIC_HARDIRQS
+#ifndef CONFIG_HAVE_DYN_ARRAY
+#define kstat_irqs_this_cpu(irq) \
+	(kstat_this_cpu.irqs[irq])
+#endif
+
+
+#ifndef CONFIG_HAVE_DYN_ARRAY
 static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 {
        return kstat_cpu(cpu).irqs[irq];
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 9fc5e69213d..4ef555c50db 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -327,7 +327,11 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto out_unlock;
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+#ifdef CONFIG_HAVE_DYN_ARRAY
 	kstat_irqs_this_cpu(desc)++;
+#else
+	kstat_irqs_this_cpu(irq)++;
+#endif
 
 	action = desc->action;
 	if (unlikely(!action || (desc->status & IRQ_DISABLED)))
@@ -368,7 +372,11 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto out_unlock;
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+#ifdef CONFIG_HAVE_DYN_ARRAY
 	kstat_irqs_this_cpu(desc)++;
+#else
+	kstat_irqs_this_cpu(irq)++;
+#endif
 
 	/*
 	 * If its disabled or no action available
@@ -415,7 +423,11 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 		goto out;
 
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+#ifdef CONFIG_HAVE_DYN_ARRAY
 	kstat_irqs_this_cpu(desc)++;
+#else
+	kstat_irqs_this_cpu(irq)++;
+#endif
 
 	/*
 	 * If its disabled or no action available
@@ -479,8 +491,11 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 		mask_ack_irq(desc, irq);
 		goto out_unlock;
 	}
-
+#ifdef CONFIG_HAVE_DYN_ARRAY
 	kstat_irqs_this_cpu(desc)++;
+#else
+	kstat_irqs_this_cpu(irq)++;
+#endif
 
 	/* Start handling the irq */
 	desc->chip->ack(irq);
@@ -535,7 +550,11 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
 {
 	irqreturn_t action_ret;
 
+#ifdef CONFIG_HAVE_DYN_ARRAY
 	kstat_irqs_this_cpu(desc)++;
+#else
+	kstat_irqs_this_cpu(irq)++;
+#endif
 
 	if (desc->chip->ack)
 		desc->chip->ack(irq);
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index d638a911cbc..eae69373a9c 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -34,7 +34,11 @@ void
 handle_bad_irq(unsigned int irq, struct irq_desc *desc)
 {
 	print_irq_desc(irq, desc);
+#ifdef CONFIG_HAVE_DYN_ARRAY
 	kstat_irqs_this_cpu(desc)++;
+#else
+	kstat_irqs_this_cpu(irq)++;
+#endif
 	ack_bad_irq(irq);
 }
 
@@ -401,7 +405,11 @@ unsigned int __do_IRQ(unsigned int irq)
 	struct irqaction *action;
 	unsigned int status;
 
+#ifdef CONFIG_HAVE_DYN_ARRAY
 	kstat_irqs_this_cpu(desc)++;
+#else
+	kstat_irqs_this_cpu(irq)++;
+#endif
 	if (CHECK_IRQ_PER_CPU(desc->status)) {
 		irqreturn_t action_ret;
 
@@ -501,10 +509,12 @@ void early_init_irq_lock_class(void)
 }
 #endif
 
+#ifdef CONFIG_HAVE_DYN_ARRAY
 unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
 	return desc->kstat_irqs[cpu];
 }
+#endif
 EXPORT_SYMBOL(kstat_irqs_cpu);
 
-- 
GitLab


From 1dd6ba2e179773597e20f17f66049a64e6c4b2ec Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Mon, 25 Aug 2008 21:27:26 +0400
Subject: [PATCH 0722/2224] x86: apic - unify smp_spurious/error_interrupt
 declaration

According to entry_64.S we do pass pt_regs pointer
into interrupt handlers but don't use them. So we
safely may merge the declarations.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c   | 8 --------
 include/asm-x86/hw_irq.h | 5 -----
 2 files changed, 13 deletions(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index ca5ef71f420..0556f375e40 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1659,11 +1659,7 @@ int __init APIC_init_uniprocessor(void)
 /*
  * This interrupt should _never_ happen with our APIC/SMP architecture
  */
-#ifdef CONFIG_X86_64
-asmlinkage void smp_spurious_interrupt(void)
-#else
 void smp_spurious_interrupt(struct pt_regs *regs)
-#endif
 {
 	u32 v;
 
@@ -1694,11 +1690,7 @@ void smp_spurious_interrupt(struct pt_regs *regs)
 /*
  * This interrupt should never happen with our APIC/SMP architecture
  */
-#ifdef CONFIG_X86_64
-asmlinkage void smp_error_interrupt(void)
-#else
 void smp_error_interrupt(struct pt_regs *regs)
-#endif
 {
 	u32 v, v1;
 
diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index 39c7a4745d2..749d042f055 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -96,13 +96,8 @@ extern asmlinkage void qic_call_function_interrupt(void);
 
 /* SMP */
 extern void smp_apic_timer_interrupt(struct pt_regs *);
-#ifdef CONFIG_X86_32
 extern void smp_spurious_interrupt(struct pt_regs *);
 extern void smp_error_interrupt(struct pt_regs *);
-#else
-extern asmlinkage void smp_spurious_interrupt(void);
-extern asmlinkage void smp_error_interrupt(void);
-#endif
 #ifdef CONFIG_X86_SMP
 extern void smp_reschedule_interrupt(struct pt_regs *);
 extern void smp_call_function_interrupt(struct pt_regs *);
-- 
GitLab


From c59d85a7b7822b83fc9783314543eea0ca860480 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 28 Aug 2008 08:56:33 +0200
Subject: [PATCH 0723/2224] sparseirq: export nr_irqs on m68k/sparc/s390

Stephen Rothwell reported such build failures on m68k/sparc/s390:

> ERROR: "nr_irqs" [drivers/net/hamradio/baycom_ser_fdx.ko] undefined!
> ERROR: "nr_irqs" [drivers/net/3c59x.ko] undefined!

export nr_irqs on these architectures too.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/m68k/kernel/ints.c | 1 +
 arch/s390/kernel/irq.c  | 1 +
 arch/sparc/kernel/irq.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 74453d15692..44169e4cd91 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -47,6 +47,7 @@
 #endif
 
 int nr_irqs = NR_IRQS;
+EXPORT_SYMBOL(nr_irqs);
 
 extern u32 auto_irqhandler_fixup[];
 extern u32 user_irqhandler_fixup[];
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 14eb5496c8a..3624c4a0037 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -18,6 +18,7 @@
 #include <linux/profile.h>
 
 int nr_irqs = NR_IRQS;
+EXPORT_SYMBOL(nr_irqs);
 
 /*
  * show_interrupts is needed by /proc/interrupts.
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 059598b7e0f..4b99e3ce391 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -57,6 +57,7 @@
 #endif /* SMP */
 
 int nr_irqs = NR_IRQS;
+EXPORT_SYMBOL(nr_irqs);
 
 unsigned long __raw_local_irq_save(void)
 {
-- 
GitLab


From a11b5abef50722e42a7d13f6b799c4f606fcb797 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 3 Sep 2008 16:58:31 -0700
Subject: [PATCH 0724/2224] x2apic: fix reserved APIC register accesses in
 print_local_APIC()

APIC_ARBPRI is a reserved register for XAPIC and beyond.
APIC_RRR is a reserved register except for 82489DX, APIC for Pentium processors.
APIC_EOI is a write only register.
APIC_DFR is reserved in x2apic mode.

Access to these registers in x2apic will result in #GP fault. Fix these
apic register accesses.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 27 ++++++++++++++++++---------
 include/asm-x86/apic.h    | 14 ++++++++++++++
 2 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index d28128e0392..93ceb19d1e9 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1751,21 +1751,30 @@ __apicdebuginit(void) print_local_APIC(void *dummy)
 	printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK);
 
 	if (APIC_INTEGRATED(ver)) {                     /* !82489DX */
-		v = apic_read(APIC_ARBPRI);
-		printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
-			v & APIC_ARBPRI_MASK);
+		if (!APIC_XAPIC(ver)) {
+			v = apic_read(APIC_ARBPRI);
+			printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v,
+			       v & APIC_ARBPRI_MASK);
+		}
 		v = apic_read(APIC_PROCPRI);
 		printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v);
 	}
 
-	v = apic_read(APIC_EOI);
-	printk(KERN_DEBUG "... APIC EOI: %08x\n", v);
-	v = apic_read(APIC_RRR);
-	printk(KERN_DEBUG "... APIC RRR: %08x\n", v);
+	/*
+	 * Remote read supported only in the 82489DX and local APIC for
+	 * Pentium processors.
+	 */
+	if (!APIC_INTEGRATED(ver) || maxlvt == 3) {
+		v = apic_read(APIC_RRR);
+		printk(KERN_DEBUG "... APIC RRR: %08x\n", v);
+	}
+
 	v = apic_read(APIC_LDR);
 	printk(KERN_DEBUG "... APIC LDR: %08x\n", v);
-	v = apic_read(APIC_DFR);
-	printk(KERN_DEBUG "... APIC DFR: %08x\n", v);
+	if (!x2apic_enabled()) {
+		v = apic_read(APIC_DFR);
+		printk(KERN_DEBUG "... APIC DFR: %08x\n", v);
+	}
 	v = apic_read(APIC_SPIV);
 	printk(KERN_DEBUG "... APIC SPIV: %08x\n", v);
 
diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h
index 2d970f6bc2a..ef1d72dbdfe 100644
--- a/include/asm-x86/apic.h
+++ b/include/asm-x86/apic.h
@@ -98,6 +98,20 @@ extern void check_x2apic(void);
 extern void enable_x2apic(void);
 extern void enable_IR_x2apic(void);
 extern void x2apic_icr_write(u32 low, u32 id);
+static inline int x2apic_enabled(void)
+{
+	int msr, msr2;
+
+	if (!cpu_has_x2apic)
+		return 0;
+
+	rdmsr(MSR_IA32_APICBASE, msr, msr2);
+	if (msr & X2APIC_ENABLE)
+		return 1;
+	return 0;
+}
+#else
+#define x2apic_enabled()	0
 #endif
 
 struct apic_ops {
-- 
GitLab


From f6dd5c3106fb283e37d915eeb33019ef40510f85 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 3 Sep 2008 16:58:32 -0700
Subject: [PATCH 0725/2224] dmar: fix using early fixmap mapping for DMAR table
 parsing

Very early detection of the DMAR tables will setup fixmap mapping. For
parsing these tables later (while enabling dma and/or interrupt remapping),
early fixmap mapping shouldn't be used. Fix it by calling table detection
routines again, which will call generic apci_get_table() for setting up
the correct mapping.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/dmar.c   | 49 +++++++++++++++++++++++++-------------------
 include/linux/dmar.h |  1 -
 2 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index bd2c01674f5..f2c5eb6e78f 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -289,6 +289,24 @@ dmar_table_print_dmar_entry(struct acpi_dmar_header *header)
 	}
 }
 
+/**
+ * dmar_table_detect - checks to see if the platform supports DMAR devices
+ */
+static int __init dmar_table_detect(void)
+{
+	acpi_status status = AE_OK;
+
+	/* if we could find DMAR table, then there are DMAR devices */
+	status = acpi_get_table(ACPI_SIG_DMAR, 0,
+				(struct acpi_table_header **)&dmar_tbl);
+
+	if (ACPI_SUCCESS(status) && !dmar_tbl) {
+		printk (KERN_WARNING PREFIX "Unable to map DMAR\n");
+		status = AE_NOT_FOUND;
+	}
+
+	return (ACPI_SUCCESS(status) ? 1 : 0);
+}
 
 /**
  * parse_dmar_table - parses the DMA reporting table
@@ -300,6 +318,12 @@ parse_dmar_table(void)
 	struct acpi_dmar_header *entry_header;
 	int ret = 0;
 
+	/*
+	 * Do it again, earlier dmar_tbl mapping could be mapped with
+	 * fixed map.
+	 */
+	dmar_table_detect();
+
 	dmar = (struct acpi_table_dmar *)dmar_tbl;
 	if (!dmar)
 		return -ENODEV;
@@ -430,30 +454,11 @@ int __init dmar_table_init(void)
 	return 0;
 }
 
-/**
- * early_dmar_detect - checks to see if the platform supports DMAR devices
- */
-int __init early_dmar_detect(void)
-{
-	acpi_status status = AE_OK;
-
-	/* if we could find DMAR table, then there are DMAR devices */
-	status = acpi_get_table(ACPI_SIG_DMAR, 0,
-				(struct acpi_table_header **)&dmar_tbl);
-
-	if (ACPI_SUCCESS(status) && !dmar_tbl) {
-		printk (KERN_WARNING PREFIX "Unable to map DMAR\n");
-		status = AE_NOT_FOUND;
-	}
-
-	return (ACPI_SUCCESS(status) ? 1 : 0);
-}
-
 void __init detect_intel_iommu(void)
 {
 	int ret;
 
-	ret = early_dmar_detect();
+	ret = dmar_table_detect();
 
 #ifdef CONFIG_DMAR
 	{
@@ -479,14 +484,16 @@ void __init detect_intel_iommu(void)
 			       " x2apic support\n");
 
 			dmar_disabled = 1;
-			return;
+			goto end;
 		}
 
 		if (ret && !no_iommu && !iommu_detected && !swiotlb &&
 		    !dmar_disabled)
 			iommu_detected = 1;
 	}
+end:
 #endif
+	dmar_tbl = NULL;
 }
 
 
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index c360c558e59..f1984fc3e06 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -45,7 +45,6 @@ extern struct list_head dmar_drhd_units;
 	list_for_each_entry(drhd, &dmar_drhd_units, list)
 
 extern int dmar_table_init(void);
-extern int early_dmar_detect(void);
 extern int dmar_dev_scope_init(void);
 
 /* Intel IOMMU detection */
-- 
GitLab


From 74d04bd7dcb4c6130fd8a314d28bfecc9ae7c360 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 3 Sep 2008 16:58:33 -0700
Subject: [PATCH 0726/2224] dmar: initialize the return value in
 dmar_parse_dev()

initialize the return value in dmar_parse_dev()

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/dmar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index f2c5eb6e78f..d281a03695f 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -193,7 +193,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru)
 {
 	struct acpi_dmar_hardware_unit *drhd;
 	static int include_all;
-	int ret;
+	int ret = 0;
 
 	drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr;
 
-- 
GitLab


From 04e2ea67069e285404192a35c24dfe7c53b9c61f Mon Sep 17 00:00:00 2001
From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Wed, 3 Sep 2008 16:58:34 -0700
Subject: [PATCH 0727/2224] dmar: use list_for_each_entry_safe() in
 dmar_dev_scope_init()

In dmar_dev_scope_init(), functions called under for_each_drhd_unit()/
for_each_rmrr_units() can delete the list entry under some error conditions.

So we should use list_for_each_entry_safe() for safe traversal.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/dmar.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index d281a03695f..ceb338dfa3f 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -397,10 +397,10 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev)
 
 int __init dmar_dev_scope_init(void)
 {
-	struct dmar_drhd_unit *drhd;
+	struct dmar_drhd_unit *drhd, *drhd_n;
 	int ret = -ENODEV;
 
-	for_each_drhd_unit(drhd) {
+	list_for_each_entry_safe(drhd, drhd_n, &dmar_drhd_units, list) {
 		ret = dmar_parse_dev(drhd);
 		if (ret)
 			return ret;
@@ -408,8 +408,8 @@ int __init dmar_dev_scope_init(void)
 
 #ifdef CONFIG_DMAR
 	{
-		struct dmar_rmrr_unit *rmrr;
-		for_each_rmrr_units(rmrr) {
+		struct dmar_rmrr_unit *rmrr, *rmrr_n;
+		list_for_each_entry_safe(rmrr, rmrr_n, &dmar_rmrr_units, list) {
 			ret = rmrr_parse_dev(rmrr);
 			if (ret)
 				return ret;
-- 
GitLab


From 1c7d1bcad218808a4f67a4492a5e1d920e85c239 Mon Sep 17 00:00:00 2001
From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Wed, 3 Sep 2008 16:58:35 -0700
Subject: [PATCH 0728/2224] dmar: fix dmar_parse_dev() devices_cnt error
 condition check

It is possible that,
instead of PCI endpoint/sub-hierarchy structures, only IO-APIC/HPET
devices may be reported under device scope structures. Fix the devices_cnt
error check, which cares about only PCI structures and removes the
dma-remapping unit structure (dmaru) when the devices_cnt is zero
and include_all flag is not set.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/dmar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index ceb338dfa3f..9527405ae19 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -212,7 +212,7 @@ dmar_parse_dev(struct dmar_drhd_unit *dmaru)
 		include_all = 1;
 	}
 
-	if (ret || (dmaru->devices_cnt == 0 && !dmaru->include_all)) {
+	if (ret) {
 		list_del(&dmaru->list);
 		kfree(dmaru);
 	}
-- 
GitLab


From e8fc96ed3603924e7aa09fd5e4dbd289b7e69907 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Thu, 4 Sep 2008 09:56:10 -0700
Subject: [PATCH 0729/2224] dyn_array: don't break compiling for !CONFIG_SMP

Impact: build failure on uniprocessor

When compiling for !CONFIG_SMP, per_cpu_alloc_dyn_array() would fail
to compile, since it uses per_cpu_offset, which is not defined for
uniprocessor builds.

Hence, do not compile per_cpu_alloc_dyn_array() for !CONFIG_SMP.
Attempting to call this function in a uniprocessor configuration would
be simply wrong in the first place.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 init/dyn_array.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/init/dyn_array.c b/init/dyn_array.c
index c4cd902a118..1dc08140f3c 100644
--- a/init/dyn_array.c
+++ b/init/dyn_array.c
@@ -91,6 +91,7 @@ unsigned long __init per_cpu_dyn_array_size(unsigned long *align)
 	return total_size;
 }
 
+#ifdef CONFIG_SMP
 void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
 {
 #ifdef CONFIG_HAVE_DYN_ARRAY
@@ -122,3 +123,4 @@ void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
 	}
 #endif
 }
+#endif
-- 
GitLab


From 02c1df199c990cd21c09a4dffaa06d4e0b7bf2bf Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Thu, 4 Sep 2008 20:57:11 +0200
Subject: [PATCH 0730/2224] x86: print out if acpi want physical flat of all

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/genapic_flat_64.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c
index 9eca5ba7a6b..2ec2de8d8c4 100644
--- a/arch/x86/kernel/genapic_flat_64.c
+++ b/arch/x86/kernel/genapic_flat_64.c
@@ -179,8 +179,10 @@ static int __init physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 	 * is an example).
 	 */
 	if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID &&
-		(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL))
+		(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
+		printk(KERN_DEBUG "system APIC only can use physical flat");
 		return 1;
+	}
 #endif
 
 	return 0;
-- 
GitLab


From b558cb35f1ef92837cba0fba9aad267e5eff1f65 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Thu, 4 Sep 2008 20:57:13 +0200
Subject: [PATCH 0731/2224] dyn_array: fix typo

Andrew found the typo could break some platforms.

also fix a checkpatch warning.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 init/dyn_array.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/init/dyn_array.c b/init/dyn_array.c
index 1dc08140f3c..cf1e04c83b3 100644
--- a/init/dyn_array.c
+++ b/init/dyn_array.c
@@ -54,7 +54,7 @@ void __init pre_alloc_dyn_array(void)
 			da->init_work(da);
 	}
 #else
-#ifdef CONFIF_GENERIC_HARDIRQS
+#ifdef CONFIG_GENERIC_HARDIRQS
 	unsigned int i;
 
 	for (i = 0; i < NR_IRQS; i++)
@@ -117,9 +117,8 @@ void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
 
 		phys += size;
 
-		if (da->init_work) {
+		if (da->init_work)
 			da->init_work(da);
-		}
 	}
 #endif
 }
-- 
GitLab


From 676f4a920be27160747439fe71026aa15ec78e5a Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Thu, 4 Sep 2008 22:37:49 +0400
Subject: [PATCH 0732/2224] x86: io-apic - use ARRAY_SIZE macro

Make the code width a bit shorter with ARRAY_SIZE macro.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 93ceb19d1e9..9b01fdadcb9 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -166,7 +166,7 @@ static void __init init_work(void *data)
 
 	memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
 
-	legacy_count = sizeof(irq_cfg_legacy)/sizeof(irq_cfg_legacy[0]);
+	legacy_count = ARRAY_SIZE(irq_cfg_legacy);
 	for (i = legacy_count; i < *da->nr; i++)
 		init_one_irq_cfg(&cfg[i]);
 
-- 
GitLab


From ac54a6c9371bacb86bee1db23f7d82e8685c7e17 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Thu, 4 Sep 2008 22:37:50 +0400
Subject: [PATCH 0733/2224] x86: io-apic - declare irq_cfg_lock for SPARSE_IRQ
 only

We use irq_cfg_lock lock in SPARSE_IRQ only context so
move it under #ifdef and compiler will be happy.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 9b01fdadcb9..d22fecf828b 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -147,14 +147,15 @@ static void init_one_irq_cfg(struct irq_cfg *cfg)
 
 static struct irq_cfg *irq_cfgx;
 
+#ifdef CONFIG_HAVE_SPARSE_IRQ
 /*
  * Protect the irq_cfgx_free freelist:
  */
 static DEFINE_SPINLOCK(irq_cfg_lock);
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
 static struct irq_cfg *irq_cfgx_free;
 #endif
+
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
-- 
GitLab


From e65ef88c20d5c68bde18f559e0d0ad7d718beb28 Mon Sep 17 00:00:00 2001
From: Dean Nelson <dcn@sgi.com>
Date: Fri, 5 Sep 2008 09:07:20 -0500
Subject: [PATCH 0734/2224] irq: error missed ifndef CONFIG_HAVE_SPARSE_IRQ

An error return from create_irq_nr() is 0, but an error return from
create_irq() is -1.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/htirq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 7c5aef13fcd..7b180e0c634 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -144,7 +144,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
 #else
 	irq = create_irq();
 #endif
-	if (irq == 0) {
+	if (irq <= 0) {
 		kfree(cfg);
 		return -EBUSY;
 	}
-- 
GitLab


From 21056830c4e5c6735f1d49453398d7186ca4e8d7 Mon Sep 17 00:00:00 2001
From: Dean Nelson <dcn@sgi.com>
Date: Fri, 5 Sep 2008 09:10:40 -0500
Subject: [PATCH 0735/2224] irq: set_irq_chip() has redundant call to
 irq_to_desc()

Extraneous call to irq_to_desc().

Signed-off-by: Dean Nelson <dcn@sgi.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/chip.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 4ef555c50db..570d1ea1db5 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -102,7 +102,6 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 	if (!chip)
 		chip = &no_irq_chip;
 
-	desc = irq_to_desc(irq);
 	spin_lock_irqsave(&desc->lock, flags);
 	irq_chip_set_defaults(chip);
 	desc->chip = chip;
-- 
GitLab


From 1f3addcf2d54394d10713be947eeaf18d2b998a9 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Fri, 5 Sep 2008 10:03:37 -0700
Subject: [PATCH 0736/2224] irq: error missed ifndef CONFIG_HAVE_SPARSE_IRQ, v2

need to change irq to int too

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/htirq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 7b180e0c634..9e4929a0083 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -109,7 +109,7 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
 	u32 data;
 	int max_irq;
 	int pos;
-	unsigned int irq;
+	int irq;
 	unsigned int irq_want;
 
 	pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
-- 
GitLab


From 932775a4ab622e3c99bd59f14cc7d96722f79501 Mon Sep 17 00:00:00 2001
From: "venkatesh.pallipadi@intel.com" <venkatesh.pallipadi@intel.com>
Date: Fri, 5 Sep 2008 18:02:15 -0700
Subject: [PATCH 0737/2224] x86: HPET_MSI change IRQ affinity in process
 context when it is disabled

Change the IRQ affinity in the process context when the IRQ is disabled.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/manage.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ddc956861a5..ad2ce72c83c 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -87,10 +87,11 @@ int irq_set_affinity(unsigned int irq, cpumask_t cpumask)
 		return -EINVAL;
 
 #ifdef CONFIG_GENERIC_PENDING_IRQ
-	if (desc->status & IRQ_MOVE_PCNTXT) {
+	if (desc->status & IRQ_MOVE_PCNTXT || desc->status & IRQ_DISABLED) {
 		unsigned long flags;
 
 		spin_lock_irqsave(&desc->lock, flags);
+		desc->affinity = cpumask;
 		desc->chip->set_affinity(irq, cpumask);
 		spin_unlock_irqrestore(&desc->lock, flags);
 	} else
-- 
GitLab


From b40d575bf0679c45aaf9e1161fc51a6b041b7210 Mon Sep 17 00:00:00 2001
From: "venkatesh.pallipadi@intel.com" <venkatesh.pallipadi@intel.com>
Date: Fri, 5 Sep 2008 18:02:16 -0700
Subject: [PATCH 0738/2224] x86: HPET_MSI Refactor code in preparation for
 HPET_MSI

Preparatory patch before the actual HPET MSI changes. Sets up hpet_set_mode
and hpet_next_event for the MSI related changes. Just the code
refactoring and should be zero functional change.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c | 42 +++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 15 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index acf62fc233d..f7cb5e9e261 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -227,44 +227,44 @@ static void hpet_legacy_clockevent_register(void)
 	printk(KERN_DEBUG "hpet clockevent registered\n");
 }
 
-static void hpet_legacy_set_mode(enum clock_event_mode mode,
-			  struct clock_event_device *evt)
+static void hpet_set_mode(enum clock_event_mode mode,
+			  struct clock_event_device *evt, int timer)
 {
 	unsigned long cfg, cmp, now;
 	uint64_t delta;
 
 	switch(mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
-		delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * hpet_clockevent.mult;
-		delta >>= hpet_clockevent.shift;
+		delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * evt->mult;
+		delta >>= evt->shift;
 		now = hpet_readl(HPET_COUNTER);
 		cmp = now + (unsigned long) delta;
-		cfg = hpet_readl(HPET_T0_CFG);
+		cfg = hpet_readl(HPET_Tn_CFG(timer));
 		cfg |= HPET_TN_ENABLE | HPET_TN_PERIODIC |
 		       HPET_TN_SETVAL | HPET_TN_32BIT;
-		hpet_writel(cfg, HPET_T0_CFG);
+		hpet_writel(cfg, HPET_Tn_CFG(timer));
 		/*
 		 * The first write after writing TN_SETVAL to the
 		 * config register sets the counter value, the second
 		 * write sets the period.
 		 */
-		hpet_writel(cmp, HPET_T0_CMP);
+		hpet_writel(cmp, HPET_Tn_CMP(timer));
 		udelay(1);
-		hpet_writel((unsigned long) delta, HPET_T0_CMP);
+		hpet_writel((unsigned long) delta, HPET_Tn_CMP(timer));
 		break;
 
 	case CLOCK_EVT_MODE_ONESHOT:
-		cfg = hpet_readl(HPET_T0_CFG);
+		cfg = hpet_readl(HPET_Tn_CFG(timer));
 		cfg &= ~HPET_TN_PERIODIC;
 		cfg |= HPET_TN_ENABLE | HPET_TN_32BIT;
-		hpet_writel(cfg, HPET_T0_CFG);
+		hpet_writel(cfg, HPET_Tn_CFG(timer));
 		break;
 
 	case CLOCK_EVT_MODE_UNUSED:
 	case CLOCK_EVT_MODE_SHUTDOWN:
-		cfg = hpet_readl(HPET_T0_CFG);
+		cfg = hpet_readl(HPET_Tn_CFG(timer));
 		cfg &= ~HPET_TN_ENABLE;
-		hpet_writel(cfg, HPET_T0_CFG);
+		hpet_writel(cfg, HPET_Tn_CFG(timer));
 		break;
 
 	case CLOCK_EVT_MODE_RESUME:
@@ -273,14 +273,14 @@ static void hpet_legacy_set_mode(enum clock_event_mode mode,
 	}
 }
 
-static int hpet_legacy_next_event(unsigned long delta,
-				  struct clock_event_device *evt)
+static int hpet_next_event(unsigned long delta,
+			   struct clock_event_device *evt, int timer)
 {
 	u32 cnt;
 
 	cnt = hpet_readl(HPET_COUNTER);
 	cnt += (u32) delta;
-	hpet_writel(cnt, HPET_T0_CMP);
+	hpet_writel(cnt, HPET_Tn_CMP(timer));
 
 	/*
 	 * We need to read back the CMP register to make sure that
@@ -292,6 +292,18 @@ static int hpet_legacy_next_event(unsigned long delta,
 	return (s32)((u32)hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0;
 }
 
+static void hpet_legacy_set_mode(enum clock_event_mode mode,
+			struct clock_event_device *evt)
+{
+	hpet_set_mode(mode, evt, 0);
+}
+
+static int hpet_legacy_next_event(unsigned long delta,
+			struct clock_event_device *evt)
+{
+	return hpet_next_event(delta, evt, 0);
+}
+
 /*
  * Clock source related code
  */
-- 
GitLab


From 58ac1e76ce77d515bd5cb65dbc465a040da341c6 Mon Sep 17 00:00:00 2001
From: "venkatesh.pallipadi@intel.com" <venkatesh.pallipadi@intel.com>
Date: Fri, 5 Sep 2008 18:02:17 -0700
Subject: [PATCH 0739/2224] x86: HPET_MSI Basic HPET_MSI setup code

Basic HPET MSI setup code. Routines to perform basic MSI read write
in HPET memory map and setting up irq_chip for HPET MSI.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c    | 54 +++++++++++++++++++++++++++++++++
 arch/x86/kernel/io_apic.c | 64 +++++++++++++++++++++++++++++++++++++++
 include/asm-x86/hpet.h    | 21 +++++++++++++
 3 files changed, 139 insertions(+)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index f7cb5e9e261..3f10d16a834 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -6,6 +6,8 @@
 #include <linux/init.h>
 #include <linux/sysdev.h>
 #include <linux/pm.h>
+#include <linux/interrupt.h>
+#include <linux/cpu.h>
 
 #include <asm/fixmap.h>
 #include <asm/hpet.h>
@@ -25,6 +27,15 @@
 unsigned long hpet_address;
 static void __iomem *hpet_virt_address;
 
+struct hpet_dev {
+	struct clock_event_device evt;
+	unsigned int num;
+	int cpu;
+	unsigned int irq;
+	unsigned int flags;
+	char name[10];
+};
+
 unsigned long hpet_readl(unsigned long a)
 {
 	return readl(hpet_virt_address + a);
@@ -304,6 +315,49 @@ static int hpet_legacy_next_event(unsigned long delta,
 	return hpet_next_event(delta, evt, 0);
 }
 
+/*
+ * HPET MSI Support
+ */
+
+void hpet_msi_unmask(unsigned int irq)
+{
+	struct hpet_dev *hdev = get_irq_data(irq);
+	unsigned long cfg;
+
+	/* unmask it */
+	cfg = hpet_readl(HPET_Tn_CFG(hdev->num));
+	cfg |= HPET_TN_FSB;
+	hpet_writel(cfg, HPET_Tn_CFG(hdev->num));
+}
+
+void hpet_msi_mask(unsigned int irq)
+{
+	unsigned long cfg;
+	struct hpet_dev *hdev = get_irq_data(irq);
+
+	/* mask it */
+	cfg = hpet_readl(HPET_Tn_CFG(hdev->num));
+	cfg &= ~HPET_TN_FSB;
+	hpet_writel(cfg, HPET_Tn_CFG(hdev->num));
+}
+
+void hpet_msi_write(unsigned int irq, struct msi_msg *msg)
+{
+	struct hpet_dev *hdev = get_irq_data(irq);
+
+	hpet_writel(msg->data, HPET_Tn_ROUTE(hdev->num));
+	hpet_writel(msg->address_lo, HPET_Tn_ROUTE(hdev->num) + 4);
+}
+
+void hpet_msi_read(unsigned int irq, struct msi_msg *msg)
+{
+	struct hpet_dev *hdev = get_irq_data(irq);
+
+	msg->data = hpet_readl(HPET_Tn_ROUTE(hdev->num));
+	msg->address_lo = hpet_readl(HPET_Tn_ROUTE(hdev->num) + 4);
+	msg->address_hi = 0;
+}
+
 /*
  * Clock source related code
  */
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index d22fecf828b..77fa155becf 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -41,6 +41,7 @@
 #endif
 #include <linux/bootmem.h>
 #include <linux/dmar.h>
+#include <linux/hpet.h>
 
 #include <asm/idle.h>
 #include <asm/io.h>
@@ -56,6 +57,7 @@
 #include <asm/hypertransport.h>
 #include <asm/setup.h>
 #include <asm/irq_remapping.h>
+#include <asm/hpet.h>
 
 #include <mach_ipi.h>
 #include <mach_apic.h>
@@ -3522,6 +3524,68 @@ int arch_setup_dmar_msi(unsigned int irq)
 }
 #endif
 
+#ifdef CONFIG_HPET_TIMER
+
+#ifdef CONFIG_SMP
+static void hpet_msi_set_affinity(unsigned int irq, cpumask_t mask)
+{
+	struct irq_cfg *cfg;
+	struct irq_desc *desc;
+	struct msi_msg msg;
+	unsigned int dest;
+	cpumask_t tmp;
+
+	cpus_and(tmp, mask, cpu_online_map);
+	if (cpus_empty(tmp))
+		return;
+
+	if (assign_irq_vector(irq, mask))
+		return;
+
+	cfg = irq_cfg(irq);
+	cpus_and(tmp, cfg->domain, mask);
+	dest = cpu_mask_to_apicid(tmp);
+
+	hpet_msi_read(irq, &msg);
+
+	msg.data &= ~MSI_DATA_VECTOR_MASK;
+	msg.data |= MSI_DATA_VECTOR(cfg->vector);
+	msg.address_lo &= ~MSI_ADDR_DEST_ID_MASK;
+	msg.address_lo |= MSI_ADDR_DEST_ID(dest);
+
+	hpet_msi_write(irq, &msg);
+	desc = irq_to_desc(irq);
+	desc->affinity = mask;
+}
+#endif /* CONFIG_SMP */
+
+struct irq_chip hpet_msi_type = {
+	.name = "HPET_MSI",
+	.unmask = hpet_msi_unmask,
+	.mask = hpet_msi_mask,
+	.ack = ack_apic_edge,
+#ifdef CONFIG_SMP
+	.set_affinity = hpet_msi_set_affinity,
+#endif
+	.retrigger = ioapic_retrigger_irq,
+};
+
+int arch_setup_hpet_msi(unsigned int irq)
+{
+	int ret;
+	struct msi_msg msg;
+
+	ret = msi_compose_msg(NULL, irq, &msg);
+	if (ret < 0)
+		return ret;
+
+	hpet_msi_write(irq, &msg);
+	set_irq_chip_and_handler_name(irq, &hpet_msi_type, handle_edge_irq,
+		"edge");
+	return 0;
+}
+#endif
+
 #endif /* CONFIG_PCI_MSI */
 /*
  * Hypertransport interrupt support
diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h
index cbbbb6d4dd3..58b273f6ef0 100644
--- a/include/asm-x86/hpet.h
+++ b/include/asm-x86/hpet.h
@@ -1,6 +1,8 @@
 #ifndef ASM_X86__HPET_H
 #define ASM_X86__HPET_H
 
+#include <linux/msi.h>
+
 #ifdef CONFIG_HPET_TIMER
 
 #define HPET_MMAP_SIZE		1024
@@ -10,6 +12,11 @@
 #define HPET_CFG		0x010
 #define HPET_STATUS		0x020
 #define HPET_COUNTER		0x0f0
+
+#define HPET_Tn_CFG(n)		(0x100 + 0x20 * n)
+#define HPET_Tn_CMP(n)		(0x108 + 0x20 * n)
+#define HPET_Tn_ROUTE(n)	(0x110 + 0x20 * n)
+
 #define HPET_T0_CFG		0x100
 #define HPET_T0_CMP		0x108
 #define HPET_T0_ROUTE		0x110
@@ -65,6 +72,20 @@ extern void hpet_disable(void);
 extern unsigned long hpet_readl(unsigned long a);
 extern void force_hpet_resume(void);
 
+extern void hpet_msi_unmask(unsigned int irq);
+extern void hpet_msi_mask(unsigned int irq);
+extern void hpet_msi_write(unsigned int irq, struct msi_msg *msg);
+extern void hpet_msi_read(unsigned int irq, struct msi_msg *msg);
+
+#ifdef CONFIG_PCI_MSI
+extern int arch_setup_hpet_msi(unsigned int irq);
+#else
+static inline int arch_setup_hpet_msi(unsigned int irq)
+{
+	return -EINVAL;
+}
+#endif
+
 #ifdef CONFIG_HPET_EMULATE_RTC
 
 #include <linux/interrupt.h>
-- 
GitLab


From 4588c1f0354ac96a358b3f9e8e4331c51cf3336f Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Sat, 6 Sep 2008 14:19:17 +0200
Subject: [PATCH 0740/2224] x86: HPET_MSI Basic HPET_MSI setup code, cleanups

small style cleanups.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c | 50 +++++++++++++++++++++---------------------
 1 file changed, 25 insertions(+), 25 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 3f10d16a834..03d3655734b 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -1,39 +1,39 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
+#include <linux/interrupt.h>
+#include <linux/sysdev.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/hpet.h>
 #include <linux/init.h>
-#include <linux/sysdev.h>
-#include <linux/pm.h>
-#include <linux/interrupt.h>
 #include <linux/cpu.h>
+#include <linux/pm.h>
+#include <linux/io.h>
 
 #include <asm/fixmap.h>
-#include <asm/hpet.h>
 #include <asm/i8253.h>
-#include <asm/io.h>
+#include <asm/hpet.h>
 
-#define HPET_MASK	CLOCKSOURCE_MASK(32)
-#define HPET_SHIFT	22
+#define HPET_MASK			CLOCKSOURCE_MASK(32)
+#define HPET_SHIFT			22
 
 /* FSEC = 10^-15
    NSEC = 10^-9 */
-#define FSEC_PER_NSEC	1000000L
+#define FSEC_PER_NSEC			1000000L
 
 /*
  * HPET address is set in acpi/boot.c, when an ACPI entry exists
  */
-unsigned long hpet_address;
-static void __iomem *hpet_virt_address;
+unsigned long				hpet_address;
+static void __iomem			*hpet_virt_address;
 
 struct hpet_dev {
-	struct clock_event_device evt;
-	unsigned int num;
-	int cpu;
-	unsigned int irq;
-	unsigned int flags;
-	char name[10];
+	struct clock_event_device	evt;
+	unsigned int			num;
+	int				cpu;
+	unsigned int			irq;
+	unsigned int			flags;
+	char				name[10];
 };
 
 unsigned long hpet_readl(unsigned long a)
@@ -70,7 +70,7 @@ static inline void hpet_clear_mapping(void)
 static int boot_hpet_disable;
 int hpet_force_user;
 
-static int __init hpet_setup(char* str)
+static int __init hpet_setup(char *str)
 {
 	if (str) {
 		if (!strncmp("disable", str, 7))
@@ -91,7 +91,7 @@ __setup("nohpet", disable_hpet);
 
 static inline int is_hpet_capable(void)
 {
-	return (!boot_hpet_disable && hpet_address);
+	return !boot_hpet_disable && hpet_address;
 }
 
 /*
@@ -122,10 +122,10 @@ static void hpet_reserve_platform_timers(unsigned long id)
 
 	nrtimers = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT) + 1;
 
-	memset(&hd, 0, sizeof (hd));
-	hd.hd_phys_address = hpet_address;
-	hd.hd_address = hpet;
-	hd.hd_nirqs = nrtimers;
+	memset(&hd, 0, sizeof(hd));
+	hd.hd_phys_address	= hpet_address;
+	hd.hd_address		= hpet;
+	hd.hd_nirqs		= nrtimers;
 	hpet_reserve_timer(&hd, 0);
 
 #ifdef CONFIG_HPET_EMULATE_RTC
@@ -141,8 +141,8 @@ static void hpet_reserve_platform_timers(unsigned long id)
 	hd.hd_irq[1] = HPET_LEGACY_RTC;
 
 	for (i = 2; i < nrtimers; timer++, i++) {
-		hd.hd_irq[i] = (readl(&timer->hpet_config) & Tn_INT_ROUTE_CNF_MASK) >>
-			Tn_INT_ROUTE_CNF_SHIFT;
+		hd.hd_irq[i] = (readl(&timer->hpet_config) &
+			Tn_INT_ROUTE_CNF_MASK) >> Tn_INT_ROUTE_CNF_SHIFT;
 	}
 
 	hpet_alloc(&hd);
@@ -244,7 +244,7 @@ static void hpet_set_mode(enum clock_event_mode mode,
 	unsigned long cfg, cmp, now;
 	uint64_t delta;
 
-	switch(mode) {
+	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
 		delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * evt->mult;
 		delta >>= evt->shift;
-- 
GitLab


From 26afe5f2fbf06ea0765aaa316640c4dd472310c0 Mon Sep 17 00:00:00 2001
From: "venkatesh.pallipadi@intel.com" <venkatesh.pallipadi@intel.com>
Date: Fri, 5 Sep 2008 18:02:18 -0700
Subject: [PATCH 0741/2224] x86: HPET_MSI Initialise per-cpu HPET timers

Initialize a per CPU HPET MSI timer when possible. We retain the HPET
timer 0 (IRQ 0) and timer 1 (IRQ 8) as is when legacy mode is being used. We
setup the remaining HPET timers as per CPU MSI based timers. This per CPU
timer will eliminate the need for timer broadcasting with IRQ 0 when there
is non-functional LAPIC timer across CPU deep C-states.

If there are more CPUs than number of available timers, CPUs that do not
find any timer to use will continue using LAPIC and IRQ 0 broadcast.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c | 295 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 293 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 03d3655734b..31e9191b7e1 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -21,10 +21,19 @@
    NSEC = 10^-9 */
 #define FSEC_PER_NSEC			1000000L
 
+#define HPET_DEV_USED_BIT		2
+#define HPET_DEV_USED			(1 << HPET_DEV_USED_BIT)
+#define HPET_DEV_VALID			0x8
+#define HPET_DEV_FSB_CAP		0x1000
+#define HPET_DEV_PERI_CAP		0x2000
+
+#define EVT_TO_HPET_DEV(evt) container_of(evt, struct hpet_dev, evt)
+
 /*
  * HPET address is set in acpi/boot.c, when an ACPI entry exists
  */
 unsigned long				hpet_address;
+unsigned long				hpet_num_timers;
 static void __iomem			*hpet_virt_address;
 
 struct hpet_dev {
@@ -36,6 +45,10 @@ struct hpet_dev {
 	char				name[10];
 };
 
+static struct hpet_dev			*hpet_devs;
+
+static DEFINE_PER_CPU(struct hpet_dev *, cpu_hpet_dev);
+
 unsigned long hpet_readl(unsigned long a)
 {
 	return readl(hpet_virt_address + a);
@@ -145,6 +158,16 @@ static void hpet_reserve_platform_timers(unsigned long id)
 			Tn_INT_ROUTE_CNF_MASK) >> Tn_INT_ROUTE_CNF_SHIFT;
 	}
 
+	for (i = 0; i < nrtimers; i++) {
+		struct hpet_dev *hdev = &hpet_devs[i];
+
+		if (!(hdev->flags & HPET_DEV_VALID))
+			continue;
+
+		hd.hd_irq[hdev->num] = hdev->irq;
+		hpet_reserve_timer(&hd, hdev->num);
+	}
+
 	hpet_alloc(&hd);
 
 }
@@ -238,6 +261,8 @@ static void hpet_legacy_clockevent_register(void)
 	printk(KERN_DEBUG "hpet clockevent registered\n");
 }
 
+static int hpet_setup_msi_irq(unsigned int irq);
+
 static void hpet_set_mode(enum clock_event_mode mode,
 			  struct clock_event_device *evt, int timer)
 {
@@ -279,7 +304,15 @@ static void hpet_set_mode(enum clock_event_mode mode,
 		break;
 
 	case CLOCK_EVT_MODE_RESUME:
-		hpet_enable_legacy_int();
+		if (timer == 0) {
+			hpet_enable_legacy_int();
+		} else {
+			struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
+			hpet_setup_msi_irq(hdev->irq);
+			disable_irq(hdev->irq);
+			irq_set_affinity(hdev->irq, cpumask_of_cpu(hdev->cpu));
+			enable_irq(hdev->irq);
+		}
 		break;
 	}
 }
@@ -318,7 +351,7 @@ static int hpet_legacy_next_event(unsigned long delta,
 /*
  * HPET MSI Support
  */
-
+#ifdef CONFIG_PCI_MSI
 void hpet_msi_unmask(unsigned int irq)
 {
 	struct hpet_dev *hdev = get_irq_data(irq);
@@ -358,6 +391,253 @@ void hpet_msi_read(unsigned int irq, struct msi_msg *msg)
 	msg->address_hi = 0;
 }
 
+static void hpet_msi_set_mode(enum clock_event_mode mode,
+				struct clock_event_device *evt)
+{
+	struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
+	hpet_set_mode(mode, evt, hdev->num);
+}
+
+static int hpet_msi_next_event(unsigned long delta,
+				struct clock_event_device *evt)
+{
+	struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
+	return hpet_next_event(delta, evt, hdev->num);
+}
+
+static int hpet_setup_msi_irq(unsigned int irq)
+{
+	if (arch_setup_hpet_msi(irq)) {
+		destroy_irq(irq);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int hpet_assign_irq(struct hpet_dev *dev)
+{
+	unsigned int irq;
+
+	irq = create_irq();
+	if (!irq)
+		return -EINVAL;
+
+	set_irq_data(irq, dev);
+
+	if (hpet_setup_msi_irq(irq))
+		return -EINVAL;
+
+	dev->irq = irq;
+	return 0;
+}
+
+static irqreturn_t hpet_interrupt_handler(int irq, void *data)
+{
+	struct hpet_dev *dev = (struct hpet_dev *)data;
+	struct clock_event_device *hevt = &dev->evt;
+
+	if (!hevt->event_handler) {
+		printk(KERN_INFO "Spurious HPET timer interrupt on HPET timer %d\n",
+				dev->num);
+		return IRQ_HANDLED;
+	}
+
+	hevt->event_handler(hevt);
+	return IRQ_HANDLED;
+}
+
+static int hpet_setup_irq(struct hpet_dev *dev)
+{
+
+	if (request_irq(dev->irq, hpet_interrupt_handler,
+			IRQF_SHARED|IRQF_NOBALANCING, dev->name, dev))
+		return -1;
+
+	disable_irq(dev->irq);
+	irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu));
+	enable_irq(dev->irq);
+
+	return 0;
+}
+
+/* This should be called in specific @cpu */
+static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu)
+{
+	struct clock_event_device *evt = &hdev->evt;
+	uint64_t hpet_freq;
+
+	WARN_ON(cpu != smp_processor_id());
+	if (!(hdev->flags & HPET_DEV_VALID))
+		return;
+
+	if (hpet_setup_msi_irq(hdev->irq))
+		return;
+
+	hdev->cpu = cpu;
+	per_cpu(cpu_hpet_dev, cpu) = hdev;
+	evt->name = hdev->name;
+	hpet_setup_irq(hdev);
+	evt->irq = hdev->irq;
+
+	evt->rating = 110;
+	evt->features = CLOCK_EVT_FEAT_ONESHOT;
+	if (hdev->flags & HPET_DEV_PERI_CAP)
+		evt->features |= CLOCK_EVT_FEAT_PERIODIC;
+
+	evt->set_mode = hpet_msi_set_mode;
+	evt->set_next_event = hpet_msi_next_event;
+	evt->shift = 32;
+
+	/*
+	 * The period is a femto seconds value. We need to calculate the
+	 * scaled math multiplication factor for nanosecond to hpet tick
+	 * conversion.
+	 */
+	hpet_freq = 1000000000000000ULL;
+	do_div(hpet_freq, hpet_period);
+	evt->mult = div_sc((unsigned long) hpet_freq,
+				      NSEC_PER_SEC, evt->shift);
+	/* Calculate the max delta */
+	evt->max_delta_ns = clockevent_delta2ns(0x7FFFFFFF, evt);
+	/* 5 usec minimum reprogramming delta. */
+	evt->min_delta_ns = 5000;
+
+	evt->cpumask = cpumask_of_cpu(hdev->cpu);
+	clockevents_register_device(evt);
+}
+
+#ifdef CONFIG_HPET
+/* Reserve at least one timer for userspace (/dev/hpet) */
+#define RESERVE_TIMERS 1
+#else
+#define RESERVE_TIMERS 0
+#endif
+void hpet_msi_capability_lookup(unsigned int start_timer)
+{
+	unsigned int id;
+	unsigned int num_timers;
+	unsigned int num_timers_used = 0;
+	int i;
+
+	id = hpet_readl(HPET_ID);
+
+	num_timers = ((id & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT);
+	num_timers++; /* Value read out starts from 0 */
+
+	hpet_devs = kzalloc(sizeof(struct hpet_dev) * num_timers, GFP_KERNEL);
+	if (!hpet_devs)
+		return;
+
+	hpet_num_timers = num_timers;
+
+	for (i = start_timer; i < num_timers - RESERVE_TIMERS; i++) {
+		struct hpet_dev *hdev = &hpet_devs[num_timers_used];
+		unsigned long cfg = hpet_readl(HPET_Tn_CFG(i));
+
+		/* Only consider HPET timer with MSI support */
+		if (!(cfg & HPET_TN_FSB_CAP))
+			continue;
+
+		hdev->flags = 0;
+		if (cfg & HPET_TN_PERIODIC_CAP)
+			hdev->flags |= HPET_DEV_PERI_CAP;
+		hdev->num = i;
+
+		sprintf(hdev->name, "hpet%d", i);
+		if (hpet_assign_irq(hdev))
+			continue;
+
+		hdev->flags |= HPET_DEV_FSB_CAP;
+		hdev->flags |= HPET_DEV_VALID;
+		num_timers_used++;
+		if (num_timers_used == num_possible_cpus())
+			break;
+	}
+
+	printk(KERN_INFO "HPET: %d timers in total, %d timers will be used for per-cpu timer\n",
+		num_timers, num_timers_used);
+}
+
+static struct hpet_dev *hpet_get_unused_timer(void)
+{
+	int i;
+
+	if (!hpet_devs)
+		return NULL;
+
+	for (i = 0; i < hpet_num_timers; i++) {
+		struct hpet_dev *hdev = &hpet_devs[i];
+
+		if (!(hdev->flags & HPET_DEV_VALID))
+			continue;
+		if (test_and_set_bit(HPET_DEV_USED_BIT,
+			(unsigned long *)&hdev->flags))
+			continue;
+		return hdev;
+	}
+	return NULL;
+}
+
+struct hpet_work_struct {
+	struct delayed_work work;
+	struct completion complete;
+};
+
+static void hpet_work(struct work_struct *w)
+{
+	struct hpet_dev *hdev;
+	int cpu = smp_processor_id();
+	struct hpet_work_struct *hpet_work;
+
+	hpet_work = container_of(w, struct hpet_work_struct, work.work);
+
+	hdev = hpet_get_unused_timer();
+	if (hdev)
+		init_one_hpet_msi_clockevent(hdev, cpu);
+
+	complete(&hpet_work->complete);
+}
+
+static int hpet_cpuhp_notify(struct notifier_block *n,
+		unsigned long action, void *hcpu)
+{
+	unsigned long cpu = (unsigned long)hcpu;
+	struct hpet_work_struct work;
+	struct hpet_dev *hdev = per_cpu(cpu_hpet_dev, cpu);
+
+	switch (action & 0xf) {
+	case CPU_ONLINE:
+		INIT_DELAYED_WORK(&work.work, hpet_work);
+		init_completion(&work.complete);
+		/* FIXME: add schedule_work_on() */
+		schedule_delayed_work_on(cpu, &work.work, 0);
+		wait_for_completion(&work.complete);
+		break;
+	case CPU_DEAD:
+		if (hdev) {
+			free_irq(hdev->irq, hdev);
+			hdev->flags &= ~HPET_DEV_USED;
+			per_cpu(cpu_hpet_dev, cpu) = NULL;
+		}
+		break;
+	}
+	return NOTIFY_OK;
+}
+#else
+
+void hpet_msi_capability_lookup(unsigned int start_timer)
+{
+	return;
+}
+
+static int hpet_cpuhp_notify(struct notifier_block *n,
+		unsigned long action, void *hcpu)
+{
+	return NOTIFY_OK;
+}
+
+#endif
+
 /*
  * Clock source related code
  */
@@ -493,8 +773,10 @@ int __init hpet_enable(void)
 
 	if (id & HPET_ID_LEGSUP) {
 		hpet_legacy_clockevent_register();
+		hpet_msi_capability_lookup(2);
 		return 1;
 	}
+	hpet_msi_capability_lookup(0);
 	return 0;
 
 out_nohpet:
@@ -511,6 +793,8 @@ out_nohpet:
  */
 static __init int hpet_late_init(void)
 {
+	int cpu;
+
 	if (boot_hpet_disable)
 		return -ENODEV;
 
@@ -526,6 +810,13 @@ static __init int hpet_late_init(void)
 
 	hpet_reserve_platform_timers(hpet_readl(HPET_ID));
 
+	for_each_online_cpu(cpu) {
+		hpet_cpuhp_notify(NULL, CPU_ONLINE, (void *)(long)cpu);
+	}
+
+	/* This notifier should be called after workqueue is ready */
+	hotcpu_notifier(hpet_cpuhp_notify, -20);
+
 	return 0;
 }
 fs_initcall(hpet_late_init);
-- 
GitLab


From 3c2cbd2490656fb4b6ede586c557a2b09811a432 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sat, 6 Sep 2008 14:15:33 +0400
Subject: [PATCH 0742/2224] x86: io-apic - code style cleaning for
 setup_IO_APIC_irqs

By changing printout form we are able to shrink (and clean up) code a bit.

Former printout example:

	init IO_APIC IRQs
	 IO-APIC (apicid-pin) 1-1, 1-2, 1-3 not connected.
	 IO-APIC (apicid-pin) 2-1, 2-2, 2-3 not connected.

New printout example:

	init IO_APIC IRQs
	 1-1 1-2 1-3 (apicid-pin) not connected
	 2-1 2-2 2-3 (apicid-pin) not connected

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 53 +++++++++++++++++++++------------------
 1 file changed, 28 insertions(+), 25 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 77fa155becf..4040d575a21 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1518,41 +1518,44 @@ static void setup_IO_APIC_irq(int apic, int pin, unsigned int irq,
 
 static void __init setup_IO_APIC_irqs(void)
 {
-	int apic, pin, idx, irq, first_notcon = 1;
+	int apic, pin, idx, irq;
+	int notcon = 0;
 
 	apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n");
 
 	for (apic = 0; apic < nr_ioapics; apic++) {
-	for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-
-		idx = find_irq_entry(apic,pin,mp_INT);
-		if (idx == -1) {
-			if (first_notcon) {
-				apic_printk(APIC_VERBOSE, KERN_DEBUG " IO-APIC (apicid-pin) %d-%d", mp_ioapics[apic].mp_apicid, pin);
-				first_notcon = 0;
-			} else
-				apic_printk(APIC_VERBOSE, ", %d-%d", mp_ioapics[apic].mp_apicid, pin);
-			continue;
-		}
-		if (!first_notcon) {
-			apic_printk(APIC_VERBOSE, " not connected.\n");
-			first_notcon = 1;
-		}
+		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
+
+			idx = find_irq_entry(apic, pin, mp_INT);
+			if (idx == -1) {
+				apic_printk(APIC_VERBOSE,
+					KERN_DEBUG " %d-%d",
+					mp_ioapics[apic].mp_apicid, pin);
+				if (!notcon)
+					notcon = 1;
+				continue;
+			}
 
-		irq = pin_2_irq(idx, apic, pin);
+			irq = pin_2_irq(idx, apic, pin);
 #ifdef CONFIG_X86_32
-                if (multi_timer_check(apic, irq))
-                        continue;
+			if (multi_timer_check(apic, irq))
+				continue;
 #endif
-		add_pin_to_irq(irq, apic, pin);
+			add_pin_to_irq(irq, apic, pin);
 
-		setup_IO_APIC_irq(apic, pin, irq,
-				  irq_trigger(idx), irq_polarity(idx));
-	}
+			setup_IO_APIC_irq(apic, pin, irq,
+					irq_trigger(idx), irq_polarity(idx));
+		}
+		if (notcon) {
+			apic_printk(APIC_VERBOSE,
+				KERN_DEBUG " (apicid-pin) not connected\n");
+			notcon = 0;
+		}
 	}
 
-	if (!first_notcon)
-		apic_printk(APIC_VERBOSE, " not connected.\n");
+	if (notcon)
+		apic_printk(APIC_VERBOSE,
+			KERN_DEBUG " (apicid-pin) not connected\n");
 }
 
 /*
-- 
GitLab


From 9e6cad9b1230b5563c4b38335bf1ed0f73c5d74a Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sat, 6 Sep 2008 10:26:50 -0700
Subject: [PATCH 0743/2224] dyn_array: remove one panic

Andrew said, we don't need duplicated panic.
because __alloc_bootmem already have that.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 init/dyn_array.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/init/dyn_array.c b/init/dyn_array.c
index cf1e04c83b3..778d9d50815 100644
--- a/init/dyn_array.c
+++ b/init/dyn_array.c
@@ -33,11 +33,9 @@ void __init pre_alloc_dyn_array(void)
 
 	/* allocate them all together */
 	max_align = max_t(unsigned long, max_align, PAGE_SIZE);
-	ptr = __alloc_bootmem_nopanic(total_size, max_align, 0);
-	if (!ptr)
-		panic("Can not alloc dyn_alloc\n");
-
+	ptr = __alloc_bootmem(total_size, max_align, 0);
 	phys = virt_to_phys(ptr);
+
 	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
 		struct dyn_array *da = *daa;
 
-- 
GitLab


From 79c09698cac8df16c5539447d5e1047fde9742e5 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 7 Sep 2008 17:58:57 -0700
Subject: [PATCH 0744/2224] x86: lapic address print out like io apic addr

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 0556f375e40..f3f50858048 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1548,7 +1548,7 @@ void __init init_apic_mappings(void)
 		apic_phys = mp_lapic_addr;
 
 	set_fixmap_nocache(FIX_APIC_BASE, apic_phys);
-	apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n",
+	apic_printk(APIC_VERBOSE, "mapped APIC to %08lx (%08lx)\n",
 				APIC_BASE, apic_phys);
 
 	/*
-- 
GitLab


From 2a554fb132cf804477087057b9b0ff2162984507 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Mon, 8 Sep 2008 19:38:06 +0400
Subject: [PATCH 0745/2224] x86: io-apic - do not use KERN_DEBUG marker too
 much

Do not use KERN_DEBUG several times on the same line being printed.
Introduced by mine previous patch, sorry.

Reported-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 4040d575a21..12e59df026d 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1528,11 +1528,16 @@ static void __init setup_IO_APIC_irqs(void)
 
 			idx = find_irq_entry(apic, pin, mp_INT);
 			if (idx == -1) {
-				apic_printk(APIC_VERBOSE,
-					KERN_DEBUG " %d-%d",
-					mp_ioapics[apic].mp_apicid, pin);
-				if (!notcon)
+				if (!notcon) {
 					notcon = 1;
+					apic_printk(APIC_VERBOSE,
+						KERN_DEBUG " %d-%d",
+						mp_ioapics[apic].mp_apicid,
+						pin);
+				} else
+					apic_printk(APIC_VERBOSE, " %d-%d",
+						mp_ioapics[apic].mp_apicid,
+						pin);
 				continue;
 			}
 
@@ -1548,14 +1553,14 @@ static void __init setup_IO_APIC_irqs(void)
 		}
 		if (notcon) {
 			apic_printk(APIC_VERBOSE,
-				KERN_DEBUG " (apicid-pin) not connected\n");
+				" (apicid-pin) not connected\n");
 			notcon = 0;
 		}
 	}
 
 	if (notcon)
 		apic_printk(APIC_VERBOSE,
-			KERN_DEBUG " (apicid-pin) not connected\n");
+			" (apicid-pin) not connected\n");
 }
 
 /*
-- 
GitLab


From f0ed4e695faf6766927c8cfbda2bc7530c7210c2 Mon Sep 17 00:00:00 2001
From: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Date: Mon, 8 Sep 2008 10:18:40 -0700
Subject: [PATCH 0746/2224] x86: using HPET in MSI mode and setting up per CPU
 HPET timers, fix

On Sat, Sep 06, 2008 at 06:03:53AM -0700, Ingo Molnar wrote:
>
> it crashes two testsystems, the fault on a NULL pointer in hpet init,
> with:
>
> initcall print_all_ICs+0x0/0x520 returned 0 after 26 msecs
> calling  hpet_late_init+0x0/0x1c0
> BUG: unable to handle kernel NULL pointer dereference at 000000000000008c
> IP: [<ffffffff80d228be>] hpet_late_init+0xfe/0x1c0
> PGD 0
> Oops: 0000 [1] SMP
> CPU 0
> Modules linked in:
> Pid: 1, comm: swapper Not tainted 2.6.27-rc5 #29725
> RIP: 0010:[<ffffffff80d228be>]  [<ffffffff80d228be>] hpet_late_init+0xfe/0x1c0
> RSP: 0018:ffff88003fa07dd0  EFLAGS: 00010246
> RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
> RDX: ffffc20000000160 RSI: 0000000000000000 RDI: 0000000000000003
> RBP: ffff88003fa07e90 R08: 0000000000000000 R09: ffff88003fa07dd0
> R10: 0000000000000001 R11: 0000000000000000 R12: ffff88003fa07dd0
> R13: 0000000000000002 R14: ffffc20000000000 R15: 000000006f57e511
> FS:  0000000000000000(0000) GS:ffffffff80cf6a80(0000) knlGS:0000000000000000
> CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: 000000000000008c CR3: 0000000000201000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process swapper (pid: 1, threadinfo ffff88003fa06000, task ffff88003fa08000)
> Stack:  00000000fed00000 ffffc20000000000 0000000100000003 0000000800000002
>  0000000000000000 0000000000000000 0000000000000000 0000000000000000
>  0000000000000000 0000000000000000 0000000000000000 0000000000000000
> Call Trace:
>  [<ffffffff80d227c0>] ? hpet_late_init+0x0/0x1c0
>  [<ffffffff80209045>] do_one_initcall+0x45/0x190
>  [<ffffffff80296f39>] ? register_irq_proc+0x19/0xe0
>  [<ffffffff80d0d140>] ? early_idt_handler+0x0/0x73
>  [<ffffffff80d0dabc>] kernel_init+0x14c/0x1b0
>  [<ffffffff80942ac1>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>  [<ffffffff8020dbd9>] child_rip+0xa/0x11
>  [<ffffffff8020ceee>] ? restore_args+0x0/0x30
>  [<ffffffff80d0d970>] ? kernel_init+0x0/0x1b0
>  [<ffffffff8020dbcf>] ? child_rip+0x0/0x11
> Code: 20 48 83 c1 01 48 39 f1 75 e3 44 89 e8 4c 8b 05 29 29 22 00 31 f6 48 8d 78 01 66 66 90 89 f0 48 8d 04 80 48 c1 e0 05 4a 8d 0c 00 <f6> 81 8c 00 00 00 08 74 26 8b 81 80 00 00 00 8b 91 88 00 00 00
> RIP  [<ffffffff80d228be>] hpet_late_init+0xfe/0x1c0
>  RSP <ffff88003fa07dd0>
> CR2: 000000000000008c
> Kernel panic - not syncing: Fatal exception

There was one code path, with CONFIG_PCI_MSI disabled, where we were accessing
hpet_devs without initialization. That resulted in the above crash. The change
below adds a check for hpet_devs.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 31e9191b7e1..01005aeda7d 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -126,6 +126,24 @@ EXPORT_SYMBOL_GPL(is_hpet_enabled);
  * timer 0 and timer 1 in case of RTC emulation.
  */
 #ifdef CONFIG_HPET
+static void hpet_reserve_msi_timers(struct hpet_data *hd)
+{
+	int i;
+
+	if (!hpet_devs)
+		return;
+
+	for (i = 0; i < hpet_num_timers; i++) {
+		struct hpet_dev *hdev = &hpet_devs[i];
+
+		if (!(hdev->flags & HPET_DEV_VALID))
+			continue;
+
+		hd->hd_irq[hdev->num] = hdev->irq;
+		hpet_reserve_timer(hd, hdev->num);
+	}
+}
+
 static void hpet_reserve_platform_timers(unsigned long id)
 {
 	struct hpet __iomem *hpet = hpet_virt_address;
@@ -158,15 +176,7 @@ static void hpet_reserve_platform_timers(unsigned long id)
 			Tn_INT_ROUTE_CNF_MASK) >> Tn_INT_ROUTE_CNF_SHIFT;
 	}
 
-	for (i = 0; i < nrtimers; i++) {
-		struct hpet_dev *hdev = &hpet_devs[i];
-
-		if (!(hdev->flags & HPET_DEV_VALID))
-			continue;
-
-		hd.hd_irq[hdev->num] = hdev->irq;
-		hpet_reserve_timer(&hd, hdev->num);
-	}
+	hpet_reserve_msi_timers(&hd);
 
 	hpet_alloc(&hd);
 
-- 
GitLab


From ba374c9baef910fbc5373541d98c50f15e82c3f8 Mon Sep 17 00:00:00 2001
From: Steven Noonan <steven@uplinklabs.net>
Date: Mon, 8 Sep 2008 16:19:09 -0700
Subject: [PATCH 0747/2224] x86: fix HPET compiler error when not using
 CONFIG_PCI_MSI

Added dummy function for hpet_setup_msi_irq().

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 01005aeda7d..422c577ef69 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -635,6 +635,10 @@ static int hpet_cpuhp_notify(struct notifier_block *n,
 }
 #else
 
+static int hpet_setup_msi_irq(unsigned int irq)
+{
+	return 0;
+}
 void hpet_msi_capability_lookup(unsigned int start_timer)
 {
 	return;
-- 
GitLab


From 87783be4c26d79f5cde245e6e8a9fd2b295e92d7 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Wed, 10 Sep 2008 22:19:50 +0400
Subject: [PATCH 0748/2224] x86: io-apic - get rid of __DO_ACTION macro

Replace __DO_ACTION macro with io_apic_modify_irq function.
This allow us to 'grep' definitions being hided by
__DO_ACTION macro:

	__unmask_IO_APIC_irq
	__mask_IO_APIC_irq
	__mask_and_edge_IO_APIC_irq
	__unmask_and_level_IO_APIC_irq

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Acked-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 103 +++++++++++++++++++-------------------
 1 file changed, 52 insertions(+), 51 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 12e59df026d..ac47384724e 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -643,65 +643,66 @@ static void __init replace_pin_at_irq(unsigned int irq,
 		add_pin_to_irq(irq, newapic, newpin);
 }
 
-#define __DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL)		\
-									\
-{									\
-	int pin;							\
-	struct irq_cfg *cfg;						\
-	struct irq_pin_list *entry;					\
-									\
-	cfg = irq_cfg(irq);						\
-	entry = cfg->irq_2_pin;						\
-	for (;;) {							\
-		unsigned int reg;					\
-		if (!entry)						\
-			break;						\
-		pin = entry->pin;					\
-		reg = io_apic_read(entry->apic, 0x10 + R + pin*2);	\
-		reg ACTION_DISABLE;					\
-		reg ACTION_ENABLE;					\
-		io_apic_modify(entry->apic, 0x10 + R + pin*2, reg);	\
-		FINAL;							\
-		if (!entry->next)					\
-			break;						\
-		entry = entry->next;					\
-	}								\
-}
-
-#define DO_ACTION(name,R, ACTION_ENABLE, ACTION_DISABLE, FINAL)		\
-									\
-	static void name##_IO_APIC_irq (unsigned int irq)		\
-	__DO_ACTION(R, ACTION_ENABLE, ACTION_DISABLE, FINAL)
-
-/* mask = 0 */
-DO_ACTION(__unmask,	0, |= 0, &= ~IO_APIC_REDIR_MASKED, )
+static inline void io_apic_modify_irq(unsigned int irq,
+				int mask_and, int mask_or,
+				void (*final)(struct irq_pin_list *entry))
+{
+	int pin;
+	struct irq_cfg *cfg;
+	struct irq_pin_list *entry;
+
+	cfg = irq_cfg(irq);
+	for (entry = cfg->irq_2_pin; entry != NULL; entry = entry->next) {
+		unsigned int reg;
+		pin = entry->pin;
+		reg = io_apic_read(entry->apic, 0x10 + pin * 2);
+		reg &= mask_and;
+		reg |= mask_or;
+		io_apic_modify(entry->apic, 0x10 + pin * 2, reg);
+		if (final)
+			final(entry);
+	}
+}
+
+static void __unmask_IO_APIC_irq(unsigned int irq)
+{
+	io_apic_modify_irq(irq, ~IO_APIC_REDIR_MASKED, 0, NULL);
+}
 
 #ifdef CONFIG_X86_64
-/*
- * Synchronize the IO-APIC and the CPU by doing
- * a dummy read from the IO-APIC
- */
-static inline void io_apic_sync(unsigned int apic)
+void io_apic_sync(struct irq_pin_list *entry)
 {
-	struct io_apic __iomem *io_apic = io_apic_base(apic);
+	/*
+	 * Synchronize the IO-APIC and the CPU by doing
+	 * a dummy read from the IO-APIC
+	 */
+	struct io_apic __iomem *io_apic;
+	io_apic = io_apic_base(entry->apic);
 	readl(&io_apic->data);
 }
 
-/* mask = 1 */
-DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, &= ~0, io_apic_sync(entry->apic))
-
-#else
-
-/* mask = 1 */
-DO_ACTION(__mask,	0, |= IO_APIC_REDIR_MASKED, &= ~0, )
-
-/* mask = 1, trigger = 0 */
-DO_ACTION(__mask_and_edge, 0, |= IO_APIC_REDIR_MASKED, &= ~IO_APIC_REDIR_LEVEL_TRIGGER, )
+static void __mask_IO_APIC_irq(unsigned int irq)
+{
+	io_apic_modify_irq(irq, ~0, IO_APIC_REDIR_MASKED, &io_apic_sync);
+}
+#else /* CONFIG_X86_32 */
+static void __mask_IO_APIC_irq(unsigned int irq)
+{
+	io_apic_modify_irq(irq, ~0, IO_APIC_REDIR_MASKED, NULL);
+}
 
-/* mask = 0, trigger = 1 */
-DO_ACTION(__unmask_and_level, 0, |= IO_APIC_REDIR_LEVEL_TRIGGER, &= ~IO_APIC_REDIR_MASKED, )
+static void __mask_and_edge_IO_APIC_irq(unsigned int irq)
+{
+	io_apic_modify_irq(irq, ~IO_APIC_REDIR_LEVEL_TRIGGER,
+			IO_APIC_REDIR_MASKED, NULL);
+}
 
-#endif
+static void __unmask_and_level_IO_APIC_irq(unsigned int irq)
+{
+	io_apic_modify_irq(irq, ~IO_APIC_REDIR_MASKED,
+			IO_APIC_REDIR_LEVEL_TRIGGER, NULL);
+}
+#endif /* CONFIG_X86_32 */
 
 static void mask_IO_APIC_irq (unsigned int irq)
 {
-- 
GitLab


From 823b259b80158a5fb694f6784e18b5bae669c599 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 10 Sep 2008 21:56:46 -0700
Subject: [PATCH 0749/2224] x86: print out apic id in hex format

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c      | 2 +-
 arch/x86/kernel/cpu/amd.c   | 2 +-
 arch/x86/kernel/cpu/intel.c | 2 +-
 arch/x86/kernel/smpboot.c   | 6 +++---
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index f3f50858048..11cb1863958 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1586,7 +1586,7 @@ int __init APIC_init_uniprocessor(void)
 	 */
 	if (!cpu_has_apic &&
 	    APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
-		printk(KERN_ERR "BIOS bug, local APIC #%d not detected!...\n",
+		printk(KERN_ERR "BIOS bug, local APIC 0x%x not detected!...\n",
 		       boot_cpu_physical_apicid);
 		clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
 		return -1;
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 32e73520adf..8f1e31db2ad 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -249,7 +249,7 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c)
 	}
 	numa_set_node(cpu, node);
 
-	printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+	printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node);
 #endif
 }
 
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 99468dbd08d..cce0b6118d5 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -174,7 +174,7 @@ static void __cpuinit srat_detect_node(void)
 		node = first_node(node_online_map);
 	numa_set_node(cpu, node);
 
-	printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+	printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node);
 #endif
 }
 
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 8c3aca7cb34..f84de2ff933 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -543,10 +543,10 @@ static inline void __inquire_remote_apic(int apicid)
 	int timeout;
 	u32 status;
 
-	printk(KERN_INFO "Inquiring remote APIC #%d...\n", apicid);
+	printk(KERN_INFO "Inquiring remote APIC 0x%x...\n", apicid);
 
 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
-		printk(KERN_INFO "... APIC #%d %s: ", apicid, names[i]);
+		printk(KERN_INFO "... APIC 0x%x %s: ", apicid, names[i]);
 
 		/*
 		 * Wait for idle.
@@ -874,7 +874,7 @@ do_rest:
 	start_ip = setup_trampoline();
 
 	/* So we see what's up   */
-	printk(KERN_INFO "Booting processor %d/%d ip %lx\n",
+	printk(KERN_INFO "Booting processor %d APIC 0x%x ip 0x%lx\n",
 			  cpu, apicid, start_ip);
 
 	/*
-- 
GitLab


From c87695ea74f21d180e1df3a1d00ac3dd432ea03b Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sun, 14 Sep 2008 02:33:11 -0700
Subject: [PATCH 0750/2224] dyn_array: use %pF instead of
 print_fn_descriptor_symbol

... and tidy up the printouts. Suggested by Andrew Morton.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 init/dyn_array.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/init/dyn_array.c b/init/dyn_array.c
index 778d9d50815..c8d5e2a1858 100644
--- a/init/dyn_array.c
+++ b/init/dyn_array.c
@@ -17,10 +17,9 @@ void __init pre_alloc_dyn_array(void)
 	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
 		struct dyn_array *da = *daa;
 
+		printk(KERN_DEBUG "dyn_array %pF size:%#lx nr:%d align:%#lx\n",
+			da->name, da->size, *da->nr, da->align);
 		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("dyn_array %s ", da->name);
-		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
-			da->size, *da->nr, da->align);
 		total_size += roundup(size, da->align);
 		if (da->align > max_align)
 			max_align = da->align;
@@ -40,11 +39,10 @@ void __init pre_alloc_dyn_array(void)
 		struct dyn_array *da = *daa;
 
 		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("dyn_array %s ", da->name);
-
 		phys = roundup(phys, da->align);
+		printk(KERN_DEBUG "dyn_array %pF ==> [%#lx - %#lx]\n",
+			da->name, phys, phys + size);
 		*da->name = phys_to_virt(phys);
-		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
 
 		phys += size;
 
@@ -72,10 +70,9 @@ unsigned long __init per_cpu_dyn_array_size(unsigned long *align)
 	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
 		struct dyn_array *da = *daa;
 
+		printk(KERN_DEBUG "per_cpu_dyn_array %pF size:%#lx nr:%d align:%#lx\n",
+			da->name, da->size, *da->nr, da->align);
 		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
-		printk(KERN_CONT "size:%#lx nr:%d align:%#lx\n",
-			da->size, *da->nr, da->align);
 		total_size += roundup(size, da->align);
 		if (da->align > max_align)
 			max_align = da->align;
@@ -103,15 +100,15 @@ void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
 		struct dyn_array *da = *daa;
 
 		size = da->size * (*da->nr);
-		print_fn_descriptor_symbol("per_cpu_dyn_array %s ", da->name);
-
 		phys = roundup(phys, da->align);
+		printk(KERN_DEBUG "per_cpu_dyn_array %pF ==> [%#lx - %#lx]\n",
+			da->name, phys, phys + size);
+
 		addr = (unsigned long)da->name;
 		addr += per_cpu_offset(cpu);
 		array = (void **)addr;
 		*array = phys_to_virt(phys);
 		*da->name = *array; /* so init_work could use it directly */
-		printk(KERN_CONT " ==> [%#lx - %#lx]\n", phys, phys + size);
 
 		phys += size;
 
-- 
GitLab


From 9df08f109572e88fbdab9a61d5cb0f0eae4ac9fa Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 14 Sep 2008 11:55:37 +0400
Subject: [PATCH 0751/2224] x86: apic - lapic_setup_esr does not handle
 esr_disable - fix it

lapic_setup_esr doesn't handle esr_disable inquire.
The error brought in during unification process.
Fix it.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c | 63 ++++++++++++++++++++++--------------------
 1 file changed, 33 insertions(+), 30 deletions(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 11cb1863958..59550cc017d 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1081,40 +1081,43 @@ void __init init_bsp_APIC(void)
 
 static void __cpuinit lapic_setup_esr(void)
 {
-	unsigned long oldvalue, value, maxlvt;
-	if (lapic_is_integrated() && !esr_disable) {
-		if (esr_disable) {
-			/*
-			 * Something untraceable is creating bad interrupts on
-			 * secondary quads ... for the moment, just leave the
-			 * ESR disabled - we can't do anything useful with the
-			 * errors anyway - mbligh
-			 */
-			printk(KERN_INFO "Leaving ESR disabled.\n");
-			return;
-		}
-		/* !82489DX */
-		maxlvt = lapic_get_maxlvt();
-		if (maxlvt > 3)		/* Due to the Pentium erratum 3AP. */
-			apic_write(APIC_ESR, 0);
-		oldvalue = apic_read(APIC_ESR);
+	unsigned int oldvalue, value, maxlvt;
+
+	if (!lapic_is_integrated()) {
+		printk(KERN_INFO "No ESR for 82489DX.\n");
+		return;
+	}
 
-		/* enables sending errors */
-		value = ERROR_APIC_VECTOR;
-		apic_write(APIC_LVTERR, value);
+	if (esr_disable) {
 		/*
-		 * spec says clear errors after enabling vector.
+		 * Something untraceable is creating bad interrupts on
+		 * secondary quads ... for the moment, just leave the
+		 * ESR disabled - we can't do anything useful with the
+		 * errors anyway - mbligh
 		 */
-		if (maxlvt > 3)
-			apic_write(APIC_ESR, 0);
-		value = apic_read(APIC_ESR);
-		if (value != oldvalue)
-			apic_printk(APIC_VERBOSE, "ESR value before enabling "
-				"vector: 0x%08lx  after: 0x%08lx\n",
-				oldvalue, value);
-	} else {
-		printk(KERN_INFO "No ESR for 82489DX.\n");
+		printk(KERN_INFO "Leaving ESR disabled.\n");
+		return;
 	}
+
+	maxlvt = lapic_get_maxlvt();
+	if (maxlvt > 3)		/* Due to the Pentium erratum 3AP. */
+		apic_write(APIC_ESR, 0);
+	oldvalue = apic_read(APIC_ESR);
+
+	/* enables sending errors */
+	value = ERROR_APIC_VECTOR;
+	apic_write(APIC_LVTERR, value);
+
+	/*
+	 * spec says clear errors after enabling vector.
+	 */
+	if (maxlvt > 3)
+		apic_write(APIC_ESR, 0);
+	value = apic_read(APIC_ESR);
+	if (value != oldvalue)
+		apic_printk(APIC_VERBOSE, "ESR value before enabling "
+			"vector: 0x%08x  after: 0x%08x\n",
+			oldvalue, value);
 }
 
 
-- 
GitLab


From 08ad776e3c54e6fe8b50939f176538063b69f89e Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sun, 14 Sep 2008 11:55:38 +0400
Subject: [PATCH 0752/2224] x86: apic - skip writting ESR register if we dont
 have on

On 82489DX we don't have ESR register so we should not
write it.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 59550cc017d..d730e8d3172 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1131,7 +1131,7 @@ void __cpuinit setup_local_APIC(void)
 
 #ifdef CONFIG_X86_32
 	/* Pound the ESR really hard over the head with a big hammer - mbligh */
-	if (esr_disable) {
+	if (lapic_is_integrated() && esr_disable) {
 		apic_write(APIC_ESR, 0);
 		apic_write(APIC_ESR, 0);
 		apic_write(APIC_ESR, 0);
-- 
GitLab


From b189892de4da4634560657aedd774752094dbfa0 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Fri, 12 Sep 2008 23:58:24 +0400
Subject: [PATCH 0753/2224] x86: apic - fix unused vars warning in
 calibrate_APIC_clock

If we don't have CONFIG_X86_PM_TIMER=y compiler warns about
unused variables. Move PM timer based calibration into a
separate function and make the code cleaner and the compiler
happy as well.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c | 81 ++++++++++++++++++++++++------------------
 1 file changed, 47 insertions(+), 34 deletions(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index d730e8d3172..784116933c7 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -538,14 +538,51 @@ static void __init lapic_cal_handler(struct clock_event_device *dev)
 	}
 }
 
+static int __init calibrate_by_pmtimer(long deltapm, long *delta)
+{
+	const long pm_100ms = PMTMR_TICKS_PER_SEC / 10;
+	const long pm_thresh = pm_100ms / 100;
+	unsigned long mult;
+	u64 res;
+
+#ifndef CONFIG_X86_PM_TIMER
+	return -1;
+#endif
+
+	apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm);
+
+	/* Check, if the PM timer is available */
+	if (!deltapm)
+		return -1;
+
+	mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22);
+
+	if (deltapm > (pm_100ms - pm_thresh) &&
+	    deltapm < (pm_100ms + pm_thresh)) {
+		apic_printk(APIC_VERBOSE, "... PM timer result ok\n");
+	} else {
+		res = (((u64)deltapm) *  mult) >> 22;
+		do_div(res, 1000000);
+		printk(KERN_WARNING "APIC calibration not consistent "
+			"with PM Timer: %ldms instead of 100ms\n",
+			(long)res);
+		/* Correct the lapic counter value */
+		res = (((u64)(*delta)) * pm_100ms);
+		do_div(res, deltapm);
+		printk(KERN_INFO "APIC delta adjusted to PM-Timer: "
+			"%lu (%ld)\n", (unsigned long)res, *delta);
+		*delta = (long)res;
+	}
+
+	return 0;
+}
+
 static int __init calibrate_APIC_clock(void)
 {
 	struct clock_event_device *levt = &__get_cpu_var(lapic_events);
-	const long pm_100ms = PMTMR_TICKS_PER_SEC/10;
-	const long pm_thresh = pm_100ms/100;
 	void (*real_handler)(struct clock_event_device *dev);
 	unsigned long deltaj;
-	long delta, deltapm;
+	long delta;
 	int pm_referenced = 0;
 
 	local_irq_disable();
@@ -575,36 +612,9 @@ static int __init calibrate_APIC_clock(void)
 	delta = lapic_cal_t1 - lapic_cal_t2;
 	apic_printk(APIC_VERBOSE, "... lapic delta = %ld\n", delta);
 
-#ifdef CONFIG_X86_PM_TIMER
-	/* Check, if the PM timer is available */
-	deltapm = lapic_cal_pm2 - lapic_cal_pm1;
-	apic_printk(APIC_VERBOSE, "... PM timer delta = %ld\n", deltapm);
-
-	if (deltapm) {
-		unsigned long mult;
-		u64 res;
-
-		mult = clocksource_hz2mult(PMTMR_TICKS_PER_SEC, 22);
-
-		if (deltapm > (pm_100ms - pm_thresh) &&
-		    deltapm < (pm_100ms + pm_thresh)) {
-			apic_printk(APIC_VERBOSE, "... PM timer result ok\n");
-		} else {
-			res = (((u64) deltapm) *  mult) >> 22;
-			do_div(res, 1000000);
-			printk(KERN_WARNING "APIC calibration not consistent "
-			       "with PM Timer: %ldms instead of 100ms\n",
-			       (long)res);
-			/* Correct the lapic counter value */
-			res = (((u64) delta) * pm_100ms);
-			do_div(res, deltapm);
-			printk(KERN_INFO "APIC delta adjusted to PM-Timer: "
-			       "%lu (%ld)\n", (unsigned long) res, delta);
-			delta = (long) res;
-		}
-		pm_referenced = 1;
-	}
-#endif
+	/* we trust the PM based calibration if possible */
+	pm_referenced = !calibrate_by_pmtimer(lapic_cal_pm2 - lapic_cal_pm1,
+					&delta);
 
 	/* Calculate the scaled math multiplication factor */
 	lapic_clockevent.mult = div_sc(delta, TICK_NSEC * LAPIC_CAL_LOOPS,
@@ -646,7 +656,10 @@ static int __init calibrate_APIC_clock(void)
 
 	levt->features &= ~CLOCK_EVT_FEAT_DUMMY;
 
-	/* We trust the pm timer based calibration */
+	/*
+	 * PM timer calibration failed or not turned on
+	 * so lets try APIC timer based calibration
+	 */
 	if (!pm_referenced) {
 		apic_printk(APIC_VERBOSE, "... verify APIC timer\n");
 
-- 
GitLab


From 56ffa1a028b9fce3860a247c6fe79fce7cbf425b Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Sat, 13 Sep 2008 13:11:16 +0400
Subject: [PATCH 0754/2224] x86: io-apic - do not use KERN_DEBUG marker too
 much, fix

Yinghai Lu reported:

| >  0 add_pin_to_irq: irq 15 --> apic 0 pin 15
| > IOAPIC[0]: Set routing entry (8-15 -> 0x3f -> IRQ 15 Mode:0 Active:0)
| >  8-16 8-17 8-18 8-19 8-20 8-21 8-22 8-23 (apicid-pin) not connected
| >  9-0 9-1 9-2 9-3 9-4 9-5 9-6 9-7 9-8 9-9 9-10 9-11 9-12 9-13 9-14 9-15
| > 9-16 9-17 9-18 9-19 9-20 9-21 9-22 9-23 (apicid-pin) not connected
| >
|
| only first one not connected at first, and ...

here is a quick fix for this.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index ac47384724e..6ce5873a406 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1541,6 +1541,11 @@ static void __init setup_IO_APIC_irqs(void)
 						pin);
 				continue;
 			}
+			if (notcon) {
+				apic_printk(APIC_VERBOSE,
+					" (apicid-pin) not connected\n");
+				notcon = 0;
+			}
 
 			irq = pin_2_irq(idx, apic, pin);
 #ifdef CONFIG_X86_32
@@ -1552,11 +1557,6 @@ static void __init setup_IO_APIC_irqs(void)
 			setup_IO_APIC_irq(apic, pin, irq,
 					irq_trigger(idx), irq_polarity(idx));
 		}
-		if (notcon) {
-			apic_printk(APIC_VERBOSE,
-				" (apicid-pin) not connected\n");
-			notcon = 0;
-		}
 	}
 
 	if (notcon)
-- 
GitLab


From e00585bb7fc3d0b601181b765a254df7ff4ea59b Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Mon, 15 Sep 2008 01:53:50 -0700
Subject: [PATCH 0755/2224] irq: fix irqpoll && sparseirq

Steven Noonan reported a boot hang when using irqpoll and
CONFIG_HAVE_SPARSE_IRQ=y.

The irqpoll loop needs to be updated to not iterate from 1 to nr_irqs
but to iterate via for_each_irq_desc(). (in the former case desc can
be NULL which crashes the box)

Reported-by: Steven Noonan <steven@uplinklabs.net>
Tested-by: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/spurious.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index b5d906002e1..ec5a4bef305 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -90,14 +90,15 @@ static int misrouted_irq(int irq)
 {
 	int i;
 	int ok = 0;
+	struct irq_desc *desc;
 
-	for (i = 1; i < nr_irqs; i++) {
-		struct irq_desc *desc;
+	for_each_irq_desc(i, desc) {
+		if (!i)
+			 continue;
 
 		if (i == irq)	/* Already tried */
 			continue;
 
-		desc = irq_to_desc(i);
 		if (try_one_irq(i, desc))
 			ok = 1;
 	}
@@ -108,10 +109,14 @@ static int misrouted_irq(int irq)
 static void poll_spurious_irqs(unsigned long dummy)
 {
 	int i;
-	for (i = 1; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_to_desc(i);
+	struct irq_desc *desc;
+
+	for_each_irq_desc(i, desc) {
 		unsigned int status;
 
+		if (!i)
+			 continue;
+
 		/* Racy but it doesn't matter */
 		status = desc->status;
 		barrier();
@@ -278,7 +283,7 @@ static int __init irqfixup_setup(char *str)
 
 __setup("irqfixup", irqfixup_setup);
 module_param(irqfixup, int, 0644);
-MODULE_PARM_DESC("irqfixup", "0: No fixup, 1: irqfixup mode 2: irqpoll mode");
+MODULE_PARM_DESC("irqfixup", "0: No fixup, 1: irqfixup mode, 2: irqpoll mode");
 
 static int __init irqpoll_setup(char *str)
 {
-- 
GitLab


From 9d98598d2fc286c8dbcd0b681168639528428db0 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Fri, 19 Sep 2008 00:12:26 -0700
Subject: [PATCH 0756/2224] sparseirq: remove some debug print out

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 19 -------------------
 kernel/irq/handle.c       | 18 ------------------
 2 files changed, 37 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 6ce5873a406..01419fdc1d5 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -277,23 +277,6 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 
 	spin_unlock_irqrestore(&irq_cfg_lock, flags);
 
-	printk(KERN_DEBUG "found new irq_cfg for irq %d\n", cfg->irq);
-#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
-	{
-		/* dump the results */
-		struct irq_cfg *cfg;
-		unsigned long phys;
-		unsigned long bytes = sizeof(struct irq_cfg);
-
-		printk(KERN_DEBUG "=========================== %d\n", irq);
-		printk(KERN_DEBUG "irq_cfg dump after get that for %d\n", irq);
-		for_each_irq_cfg(cfg) {
-			phys = __pa(cfg);
-			printk(KERN_DEBUG "irq_cfg %d ==> [%#lx - %#lx]\n", cfg->irq, phys, phys + bytes);
-		}
-		printk(KERN_DEBUG "===========================\n");
-	}
-#endif
 	return cfg;
 }
 #else
@@ -597,7 +580,6 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 		cfg->irq_2_pin = entry;
 		entry->apic = apic;
 		entry->pin = pin;
-		printk(KERN_DEBUG " 0 add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
 		return;
 	}
 
@@ -613,7 +595,6 @@ static void add_pin_to_irq(unsigned int irq, int apic, int pin)
 	entry = entry->next;
 	entry->apic = apic;
 	entry->pin = pin;
-	printk(KERN_DEBUG " x add_pin_to_irq: irq %d --> apic %d pin %d\n", irq, apic, pin);
 }
 
 /*
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index eae69373a9c..710db0ec97e 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -238,24 +238,6 @@ struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 
 	spin_unlock_irqrestore(&sparse_irq_lock, flags);
 
-	printk(KERN_DEBUG "found new irq_desc for irq %d\n", desc->irq);
-#ifdef CONFIG_HAVE_SPARSE_IRQ_DEBUG
-	{
-		/* dump the results */
-		struct irq_desc *desc;
-		unsigned long phys;
-		unsigned long bytes = sizeof(struct irq_desc);
-		unsigned int irqx;
-
-		printk(KERN_DEBUG "=========================== %d\n", irq);
-		printk(KERN_DEBUG "irq_desc dump after get that for %d\n", irq);
-		for_each_irq_desc(irqx, desc) {
-			phys = __pa(desc);
-			printk(KERN_DEBUG "irq_desc %d ==> [%#lx - %#lx]\n", irqx, phys, phys + bytes);
-		}
-		printk(KERN_DEBUG "===========================\n");
-	}
-#endif
 	return desc;
 }
 #else
-- 
GitLab


From 2976fe20125587c944c8df48d991c38f0891fb28 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 18 Sep 2008 16:10:48 -0700
Subject: [PATCH 0757/2224] fix warning: "x86: sparse_irq needs spin_lock in
 allocations"

caused by

commit a532e19680ada3b8579b81e67e76d3ebd19c340f
Author: Yinghai Lu <yhlu.kernel@gmail.com>
Date:   Wed Aug 20 20:46:25 2008 -0700

    x86: sparse_irq needs spin_lock in allocations

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/handle.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 710db0ec97e..7f625fbc9aa 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -111,12 +111,11 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
 	}
 }
 
+#ifdef CONFIG_HAVE_SPARSE_IRQ
 /*
  * Protect the sparse_irqs_free freelist:
  */
 static DEFINE_SPINLOCK(sparse_irq_lock);
-
-#ifdef CONFIG_HAVE_SPARSE_IRQ
 static struct irq_desc *sparse_irqs_free;
 struct irq_desc *sparse_irqs;
 #endif
-- 
GitLab


From 5ffa4eb2224343ec3fbd492ffe71e28e797435b7 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Thu, 18 Sep 2008 23:37:57 +0400
Subject: [PATCH 0758/2224] x86: io-apic - interrupt remapping fix

Interrupt remapping could lead to NULL dereference in case of
kzalloc failed and memory leak in other way. So fix the
both cases.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c    | 13 ++++++++++---
 arch/x86/kernel/io_apic.c | 19 +++++++++++++++++--
 2 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 784116933c7..1f48bd1c9f2 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1360,7 +1360,12 @@ void enable_IR_x2apic(void)
 
 	local_irq_save(flags);
 	mask_8259A();
-	save_mask_IO_APIC_setup();
+
+	ret = save_mask_IO_APIC_setup();
+	if (ret) {
+		printk(KERN_INFO "Saving IO-APIC state failed: %d\n", ret);
+		goto end;
+	}
 
 	ret = enable_intr_remapping(1);
 
@@ -1370,14 +1375,15 @@ void enable_IR_x2apic(void)
 	}
 
 	if (ret)
-		goto end;
+		goto end_restore;
 
 	if (!x2apic) {
 		x2apic = 1;
 		apic_ops = &x2apic_ops;
 		enable_x2apic();
 	}
-end:
+
+end_restore:
 	if (ret)
 		/*
 		 * IR enabling failed
@@ -1386,6 +1392,7 @@ end:
 	else
 		reinit_intr_remapped_IO_APIC(x2apic_preenabled);
 
+end:
 	unmask_8259A();
 	local_irq_restore(flags);
 
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 01419fdc1d5..4cc9cb64c81 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -812,7 +812,7 @@ int save_mask_IO_APIC_setup(void)
 			kzalloc(sizeof(struct IO_APIC_route_entry) *
 				nr_ioapic_registers[apic], GFP_KERNEL);
 		if (!early_ioapic_entries[apic])
-			return -ENOMEM;
+			goto nomem;
 	}
 
 	for (apic = 0; apic < nr_ioapics; apic++)
@@ -826,17 +826,32 @@ int save_mask_IO_APIC_setup(void)
 				ioapic_write_entry(apic, pin, entry);
 			}
 		}
+
 	return 0;
+
+nomem:
+	for (; apic > 0; apic--)
+		kfree(early_ioapic_entries[apic]);
+	kfree(early_ioapic_entries[apic]);
+	memset(early_ioapic_entries, 0,
+		ARRAY_SIZE(early_ioapic_entries));
+
+	return -ENOMEM;
 }
 
 void restore_IO_APIC_setup(void)
 {
 	int apic, pin;
 
-	for (apic = 0; apic < nr_ioapics; apic++)
+	for (apic = 0; apic < nr_ioapics; apic++) {
+		if (!early_ioapic_entries[apic])
+			break;
 		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++)
 			ioapic_write_entry(apic, pin,
 					   early_ioapic_entries[apic][pin]);
+		kfree(early_ioapic_entries[apic]);
+		early_ioapic_entries[apic] = NULL;
+	}
 }
 
 void reinit_intr_remapped_IO_APIC(int intr_remapping)
-- 
GitLab


From 8da077d6f31da291ee3a7dd559671cb8ca48cbe2 Mon Sep 17 00:00:00 2001
From: Jack Steiner <steiner@sgi.com>
Date: Tue, 23 Sep 2008 08:42:05 -0500
Subject: [PATCH 0759/2224] x86, uv: fix ordering of calls to uv_system_init &
 uv_cpu_init

Fix problem caused by reordering of the calls to uv_cpu_init() &
uv_system_init. Originally, uv_cpu_init() was called AFTER uv_system_init.
This order was recently broken as a side-effect of other patches.

With this patch, initialization of cpu 0 is now done by the system_init
call.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/genx2apic_uv_x.c | 34 ++++++++++++++++----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 33581d94a90..b689075bbe2 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -356,7 +356,22 @@ static __init void uv_rtc_init(void)
 		sn_rtc_cycles_per_second = ticks_per_sec;
 }
 
-static bool uv_system_inited;
+/*
+ * Called on each cpu to initialize the per_cpu UV data area.
+ * 	ZZZ hotplug not supported yet
+ */
+void __cpuinit uv_cpu_init(void)
+{
+	/* CPU 0 initilization will be done via uv_system_init. */
+	if (!uv_blade_info)
+		return;
+
+	uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
+
+	if (get_uv_system_type() == UV_NON_UNIQUE_APIC)
+		set_x2apic_extra_bits(uv_hub_info->pnode);
+}
+
 
 void __init uv_system_init(void)
 {
@@ -448,21 +463,6 @@ void __init uv_system_init(void)
 	map_mmr_high(max_pnode);
 	map_config_high(max_pnode);
 	map_mmioh_high(max_pnode);
-	uv_system_inited = true;
-}
 
-/*
- * Called on each cpu to initialize the per_cpu UV data area.
- * 	ZZZ hotplug not supported yet
- */
-void __cpuinit uv_cpu_init(void)
-{
-	BUG_ON(!uv_system_inited);
-
-	uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
-
-	if (get_uv_system_type() == UV_NON_UNIQUE_APIC)
-		set_x2apic_extra_bits(uv_hub_info->pnode);
+	uv_cpu_init();
 }
-
-
-- 
GitLab


From aac3f2b6f6e88827432c4050ac73552f24b19de1 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 24 Sep 2008 19:04:35 -0700
Subject: [PATCH 0760/2224] x86: fix typo in irq_desc array

when SPARSE_IRQ is not used, should still use irq_desc->lock

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/handle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 7f625fbc9aa..fb6bdb602a9 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -253,7 +253,7 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 		.chip = &no_irq_chip,
 		.handle_irq = handle_bad_irq,
 		.depth = 1,
-		.lock = __SPIN_LOCK_UNLOCKED(sparse_irqs->lock),
+		.lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
 #ifdef CONFIG_SMP
 		.affinity = CPU_MASK_ALL
 #endif
-- 
GitLab


From 7564676813780e0ba4dacf95338202cb72d2172d Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 24 Sep 2008 19:04:36 -0700
Subject: [PATCH 0761/2224] x86: irq no should not use hex in /proc/interrupts

Arjan van de Ven noticed that we changed IRQ numbers from decimal
to hex in /proc/interrupts - that can break user-space utilities
like irqbalanced.

Reported-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/irq_32.c | 2 +-
 arch/x86/kernel/irq_64.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index b2e1082cf5a..001772ffc91 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -307,7 +307,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		action = desc->action;
 		if (!action && !any_count)
 			goto skip;
-		seq_printf(p, "%#x: ",i);
+		seq_printf(p, "%3d: ", i);
 #ifndef CONFIG_SMP
 		seq_printf(p, "%10u ", kstat_irqs(i));
 #else
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index c2fca89a3f7..ec266109128 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -112,7 +112,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		action = desc->action;
 		if (!action && !any_count)
 			goto skip;
-		seq_printf(p, "%#x: ",i);
+		seq_printf(p, "%3d: ", i);
 #ifndef CONFIG_SMP
 		seq_printf(p, "%10u ", kstat_irqs(i));
 #else
-- 
GitLab


From c1370b49cc4f09de5b447ddf688a3988a297dbfc Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Tue, 23 Sep 2008 23:00:02 +0400
Subject: [PATCH 0762/2224] x86: io-apic - interrupt remapping fix

Clean up obscure for() cycle with straight while() form

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 4cc9cb64c81..ed68a6f99dc 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -830,9 +830,8 @@ int save_mask_IO_APIC_setup(void)
 	return 0;
 
 nomem:
-	for (; apic > 0; apic--)
-		kfree(early_ioapic_entries[apic]);
-	kfree(early_ioapic_entries[apic]);
+	while (apic >= 0)
+		kfree(early_ioapic_entries[apic--]);
 	memset(early_ioapic_entries, 0,
 		ARRAY_SIZE(early_ioapic_entries));
 
-- 
GitLab


From c81bba49a13cb3376654d0cc93dc069fd619ed76 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Thu, 25 Sep 2008 11:53:11 -0700
Subject: [PATCH 0763/2224] x86: print out irq nr for msi/ht, v3

v2: fix hpet compiling error
v3: Bjorn want to use dev_printk instead

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c    | 3 +++
 arch/x86/kernel/io_apic.c | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 422c577ef69..2913913f4a4 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -467,6 +467,9 @@ static int hpet_setup_irq(struct hpet_dev *dev)
 	irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu));
 	enable_irq(dev->irq);
 
+	printk(KERN_DEBUG "hpet: %s irq %d for MSI\n",
+			 dev->name, dev->irq);
+
 	return 0;
 }
 
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index ed68a6f99dc..4ee270d3035 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -3354,6 +3354,8 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
 #endif
 		set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge");
 
+	dev_printk(KERN_DEBUG, &dev->dev, "irq %d for MSI/MSI-X\n", irq);
+
 	return 0;
 }
 
@@ -3586,6 +3588,7 @@ int arch_setup_hpet_msi(unsigned int irq)
 	hpet_msi_write(irq, &msg);
 	set_irq_chip_and_handler_name(irq, &hpet_msi_type, handle_edge_irq,
 		"edge");
+
 	return 0;
 }
 #endif
@@ -3682,6 +3685,8 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 
 		set_irq_chip_and_handler_name(irq, &ht_irq_chip,
 					      handle_edge_irq, "edge");
+
+		dev_printk(KERN_DEBUG, &dev->dev, "irq %d for HT\n", irq);
 	}
 	return err;
 }
-- 
GitLab


From 5f79f2f2ad39b5177c52ed08ffd066ea0c1da924 Mon Sep 17 00:00:00 2001
From: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Date: Wed, 24 Sep 2008 10:03:17 -0700
Subject: [PATCH 0764/2224] hpet: clean up warning

Fix the below compile warnings due to recent HPET MSI changes

arch/x86/kernel/hpet.c:48: warning: 'hpet_devs' defined but not used
arch/x86/kernel/hpet.c:50: warning: 'per_cpu__cpu_hpet_dev' defined but not used

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/hpet.c | 57 ++++++++++++++++++++++++++----------------
 1 file changed, 35 insertions(+), 22 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 2913913f4a4..77017e834cf 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -45,10 +45,6 @@ struct hpet_dev {
 	char				name[10];
 };
 
-static struct hpet_dev			*hpet_devs;
-
-static DEFINE_PER_CPU(struct hpet_dev *, cpu_hpet_dev);
-
 unsigned long hpet_readl(unsigned long a)
 {
 	return readl(hpet_virt_address + a);
@@ -126,23 +122,8 @@ EXPORT_SYMBOL_GPL(is_hpet_enabled);
  * timer 0 and timer 1 in case of RTC emulation.
  */
 #ifdef CONFIG_HPET
-static void hpet_reserve_msi_timers(struct hpet_data *hd)
-{
-	int i;
 
-	if (!hpet_devs)
-		return;
-
-	for (i = 0; i < hpet_num_timers; i++) {
-		struct hpet_dev *hdev = &hpet_devs[i];
-
-		if (!(hdev->flags & HPET_DEV_VALID))
-			continue;
-
-		hd->hd_irq[hdev->num] = hdev->irq;
-		hpet_reserve_timer(hd, hdev->num);
-	}
-}
+static void hpet_reserve_msi_timers(struct hpet_data *hd);
 
 static void hpet_reserve_platform_timers(unsigned long id)
 {
@@ -362,6 +343,10 @@ static int hpet_legacy_next_event(unsigned long delta,
  * HPET MSI Support
  */
 #ifdef CONFIG_PCI_MSI
+
+static DEFINE_PER_CPU(struct hpet_dev *, cpu_hpet_dev);
+static struct hpet_dev	*hpet_devs;
+
 void hpet_msi_unmask(unsigned int irq)
 {
 	struct hpet_dev *hdev = get_irq_data(irq);
@@ -525,7 +510,8 @@ static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu)
 #else
 #define RESERVE_TIMERS 0
 #endif
-void hpet_msi_capability_lookup(unsigned int start_timer)
+
+static void hpet_msi_capability_lookup(unsigned int start_timer)
 {
 	unsigned int id;
 	unsigned int num_timers;
@@ -571,6 +557,26 @@ void hpet_msi_capability_lookup(unsigned int start_timer)
 		num_timers, num_timers_used);
 }
 
+#ifdef CONFIG_HPET
+static void hpet_reserve_msi_timers(struct hpet_data *hd)
+{
+	int i;
+
+	if (!hpet_devs)
+		return;
+
+	for (i = 0; i < hpet_num_timers; i++) {
+		struct hpet_dev *hdev = &hpet_devs[i];
+
+		if (!(hdev->flags & HPET_DEV_VALID))
+			continue;
+
+		hd->hd_irq[hdev->num] = hdev->irq;
+		hpet_reserve_timer(hd, hdev->num);
+	}
+}
+#endif
+
 static struct hpet_dev *hpet_get_unused_timer(void)
 {
 	int i;
@@ -642,10 +648,17 @@ static int hpet_setup_msi_irq(unsigned int irq)
 {
 	return 0;
 }
-void hpet_msi_capability_lookup(unsigned int start_timer)
+static void hpet_msi_capability_lookup(unsigned int start_timer)
+{
+	return;
+}
+
+#ifdef CONFIG_HPET
+static void hpet_reserve_msi_timers(struct hpet_data *hd)
 {
 	return;
 }
+#endif
 
 static int hpet_cpuhp_notify(struct notifier_block *n,
 		unsigned long action, void *hcpu)
-- 
GitLab


From 4173a0e7371ece227559b44943c6fd456ee470d1 Mon Sep 17 00:00:00 2001
From: Dean Nelson <dcn@sgi.com>
Date: Thu, 2 Oct 2008 12:18:21 -0500
Subject: [PATCH 0765/2224] x86, UV: add uv_setup_irq() and uv_teardown_irq()
 functions, v3

Provide a means for UV interrupt MMRs to be setup with the message to be sent
when an MSI is raised.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/Makefile    |  2 +-
 arch/x86/kernel/io_apic.c   | 68 ++++++++++++++++++++++++++++++++
 arch/x86/kernel/uv_irq.c    | 77 +++++++++++++++++++++++++++++++++++++
 include/asm-x86/uv/uv_irq.h | 36 +++++++++++++++++
 4 files changed, 182 insertions(+), 1 deletion(-)
 create mode 100644 arch/x86/kernel/uv_irq.c
 create mode 100644 include/asm-x86/uv/uv_irq.h

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 45cecc59d89..acc0e8bf043 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -108,7 +108,7 @@ obj-$(CONFIG_MICROCODE)			+= microcode.o
 # 64 bit specific files
 ifeq ($(CONFIG_X86_64),y)
         obj-y				+= genapic_64.o genapic_flat_64.o genx2apic_uv_x.o tlb_uv.o
-	obj-y				+= bios_uv.o
+	obj-y				+= bios_uv.o uv_irq.o
         obj-y				+= genx2apic_cluster.o
         obj-y				+= genx2apic_phys.o
         obj-$(CONFIG_X86_PM_TIMER)	+= pmtimer_64.o
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 4ee270d3035..260c95a5e6d 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -58,6 +58,8 @@
 #include <asm/setup.h>
 #include <asm/irq_remapping.h>
 #include <asm/hpet.h>
+#include <asm/uv/uv_hub.h>
+#include <asm/uv/uv_irq.h>
 
 #include <mach_ipi.h>
 #include <mach_apic.h>
@@ -3692,6 +3694,72 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 }
 #endif /* CONFIG_HT_IRQ */
 
+#ifdef CONFIG_X86_64
+/*
+ * Re-target the irq to the specified CPU and enable the specified MMR located
+ * on the specified blade to allow the sending of MSIs to the specified CPU.
+ */
+int arch_enable_uv_irq(char *irq_name, unsigned int irq, int cpu, int mmr_blade,
+		       unsigned long mmr_offset)
+{
+	const cpumask_t *eligible_cpu = get_cpu_mask(cpu);
+	struct irq_cfg *cfg;
+	int mmr_pnode;
+	unsigned long mmr_value;
+	struct uv_IO_APIC_route_entry *entry;
+	unsigned long flags;
+	int err;
+
+	err = assign_irq_vector(irq, *eligible_cpu);
+	if (err != 0)
+		return err;
+
+	spin_lock_irqsave(&vector_lock, flags);
+	set_irq_chip_and_handler_name(irq, &uv_irq_chip, handle_percpu_irq,
+				      irq_name);
+	spin_unlock_irqrestore(&vector_lock, flags);
+
+	cfg = irq_cfg(irq);
+
+	mmr_value = 0;
+	entry = (struct uv_IO_APIC_route_entry *)&mmr_value;
+	BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long));
+
+	entry->vector = cfg->vector;
+	entry->delivery_mode = INT_DELIVERY_MODE;
+	entry->dest_mode = INT_DEST_MODE;
+	entry->polarity = 0;
+	entry->trigger = 0;
+	entry->mask = 0;
+	entry->dest = cpu_mask_to_apicid(*eligible_cpu);
+
+	mmr_pnode = uv_blade_to_pnode(mmr_blade);
+	uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value);
+
+	return irq;
+}
+
+/*
+ * Disable the specified MMR located on the specified blade so that MSIs are
+ * longer allowed to be sent.
+ */
+void arch_disable_uv_irq(int mmr_blade, unsigned long mmr_offset)
+{
+	unsigned long mmr_value;
+	struct uv_IO_APIC_route_entry *entry;
+	int mmr_pnode;
+
+	mmr_value = 0;
+	entry = (struct uv_IO_APIC_route_entry *)&mmr_value;
+	BUG_ON(sizeof(struct uv_IO_APIC_route_entry) != sizeof(unsigned long));
+
+	entry->mask = 1;
+
+	mmr_pnode = uv_blade_to_pnode(mmr_blade);
+	uv_write_global_mmr64(mmr_pnode, mmr_offset, mmr_value);
+}
+#endif /* CONFIG_X86_64 */
+
 int __init io_apic_get_redir_entries (int ioapic)
 {
 	union IO_APIC_reg_01	reg_01;
diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c
new file mode 100644
index 00000000000..6bd26c91c30
--- /dev/null
+++ b/arch/x86/kernel/uv_irq.c
@@ -0,0 +1,77 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI UV IRQ functions
+ *
+ * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#include <linux/module.h>
+#include <linux/irq.h>
+#include <asm/uv/uv_irq.h>
+
+static void uv_noop(unsigned int irq)
+{
+}
+
+static unsigned int uv_noop_ret(unsigned int irq)
+{
+	return 0;
+}
+
+static void uv_ack_apic(unsigned int irq)
+{
+	ack_APIC_irq();
+}
+
+struct irq_chip uv_irq_chip = {
+	.name		= "UV-CORE",
+	.startup	= uv_noop_ret,
+	.shutdown	= uv_noop,
+	.enable		= uv_noop,
+	.disable	= uv_noop,
+	.ack		= uv_noop,
+	.mask		= uv_noop,
+	.unmask		= uv_noop,
+	.eoi		= uv_ack_apic,
+	.end		= uv_noop,
+};
+
+/*
+ * Set up a mapping of an available irq and vector, and enable the specified
+ * MMR that defines the MSI that is to be sent to the specified CPU when an
+ * interrupt is raised.
+ */
+int uv_setup_irq(char *irq_name, int cpu, int mmr_blade,
+		 unsigned long mmr_offset)
+{
+	int irq;
+	int ret;
+
+	irq = create_irq();
+	if (irq <= 0)
+		return -EBUSY;
+
+	ret = arch_enable_uv_irq(irq_name, irq, cpu, mmr_blade, mmr_offset);
+	if (ret != irq)
+		destroy_irq(irq);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(uv_setup_irq);
+
+/*
+ * Tear down a mapping of an irq and vector, and disable the specified MMR that
+ * defined the MSI that was to be sent to the specified CPU when an interrupt
+ * was raised.
+ *
+ * Set mmr_blade and mmr_offset to what was passed in on uv_setup_irq().
+ */
+void uv_teardown_irq(unsigned int irq, int mmr_blade, unsigned long mmr_offset)
+{
+	arch_disable_uv_irq(mmr_blade, mmr_offset);
+	destroy_irq(irq);
+}
+EXPORT_SYMBOL_GPL(uv_teardown_irq);
diff --git a/include/asm-x86/uv/uv_irq.h b/include/asm-x86/uv/uv_irq.h
new file mode 100644
index 00000000000..8bf5f32da9c
--- /dev/null
+++ b/include/asm-x86/uv/uv_irq.h
@@ -0,0 +1,36 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * SGI UV IRQ definitions
+ *
+ * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef ASM_X86__UV__UV_IRQ_H
+#define ASM_X86__UV__UV_IRQ_H
+
+/* If a generic version of this structure gets defined, eliminate this one. */
+struct uv_IO_APIC_route_entry {
+	__u64	vector		:  8,
+		delivery_mode	:  3,
+		dest_mode	:  1,
+		delivery_status	:  1,
+		polarity	:  1,
+		__reserved_1	:  1,
+		trigger		:  1,
+		mask		:  1,
+		__reserved_2	: 15,
+		dest		: 32;
+};
+
+extern struct irq_chip uv_irq_chip;
+
+extern int arch_enable_uv_irq(char *, unsigned int, int, int, unsigned long);
+extern void arch_disable_uv_irq(int, unsigned long);
+
+extern int uv_setup_irq(char *, int, int, unsigned long);
+extern void uv_teardown_irq(unsigned int, int, unsigned long);
+
+#endif /* ASM_X86__UV__UV_IRQ_H */
-- 
GitLab


From 37762b6ffb37f9e21cbc6f80902aa06b7a053fd7 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Oct 2008 11:38:37 +0200
Subject: [PATCH 0766/2224] x86, UV: add uv_setup_irq() and uv_teardown_irq()
 functions, v3, fix

fix:

 arch/x86/kernel/uv_irq.c: In function 'uv_ack_apic':
 arch/x86/kernel/uv_irq.c:26: error: implicit declaration of function 'ack_APIC_irq'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/uv_irq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c
index 6bd26c91c30..aeef529917e 100644
--- a/arch/x86/kernel/uv_irq.c
+++ b/arch/x86/kernel/uv_irq.c
@@ -10,6 +10,8 @@
 
 #include <linux/module.h>
 #include <linux/irq.h>
+
+#include <asm/apic.h>
 #include <asm/uv/uv_irq.h>
 
 static void uv_noop(unsigned int irq)
-- 
GitLab


From a50f70b17541c0060967c6df61133e968bad3652 Mon Sep 17 00:00:00 2001
From: Russ Anderson <rja@sgi.com>
Date: Fri, 3 Oct 2008 11:58:54 -0500
Subject: [PATCH 0767/2224] x86: Add UV EFI table entry v4

Look for a UV entry in the EFI tables.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Paul Jackson <pj@sgi.com>
Acked-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/efi.c | 4 ++++
 include/linux/efi.h   | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index 945a31cdd81..1119d247fe1 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -366,6 +366,10 @@ void __init efi_init(void)
 					SMBIOS_TABLE_GUID)) {
 			efi.smbios = config_tables[i].table;
 			printk(" SMBIOS=0x%lx ", config_tables[i].table);
+		} else if (!efi_guidcmp(config_tables[i].guid,
+					UV_SYSTEM_TABLE_GUID)) {
+			efi.uv_systab = config_tables[i].table;
+			printk(" UVsystab=0x%lx ", config_tables[i].table);
 		} else if (!efi_guidcmp(config_tables[i].guid,
 					HCDP_TABLE_GUID)) {
 			efi.hcdp = config_tables[i].table;
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 807373d467f..bb66feb164b 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -208,6 +208,9 @@ typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_siz
 #define EFI_GLOBAL_VARIABLE_GUID \
     EFI_GUID(  0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c )
 
+#define UV_SYSTEM_TABLE_GUID \
+    EFI_GUID(  0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 )
+
 typedef struct {
 	efi_guid_t guid;
 	unsigned long table;
@@ -255,6 +258,7 @@ extern struct efi {
 	unsigned long boot_info;	/* boot info table */
 	unsigned long hcdp;		/* HCDP table */
 	unsigned long uga;		/* UGA table */
+	unsigned long uv_systab;	/* UV system table */
 	efi_get_time_t *get_time;
 	efi_set_time_t *set_time;
 	efi_get_wakeup_time_t *get_wakeup_time;
-- 
GitLab


From 7f5942329e0787087a5e4dced838cee711ac2b58 Mon Sep 17 00:00:00 2001
From: Russ Anderson <rja@sgi.com>
Date: Fri, 3 Oct 2008 11:59:15 -0500
Subject: [PATCH 0768/2224] x86: Add UV bios call infrastructure v4

Add the EFI callback function and associated wrapper code.
Initialize SAL system table entry info at boot time.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Paul Jackson <pj@sgi.com>
Acked-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/bios_uv.c        | 101 ++++++++++++++++++++++++-------
 arch/x86/kernel/genx2apic_uv_x.c |   1 +
 include/asm-x86/efi.h            |  13 ++++
 include/asm-x86/uv/bios.h        |  73 ++++++++++++----------
 4 files changed, 135 insertions(+), 53 deletions(-)

diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c
index fdd585f9c53..5481eb59f78 100644
--- a/arch/x86/kernel/bios_uv.c
+++ b/arch/x86/kernel/bios_uv.c
@@ -1,8 +1,6 @@
 /*
  * BIOS run time interface routines.
  *
- *  Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
- *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
@@ -16,33 +14,94 @@
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ *  Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+ *  Copyright (c) Russ Anderson
  */
 
+#include <linux/efi.h>
+#include <asm/efi.h>
+#include <linux/io.h>
 #include <asm/uv/bios.h>
 
-const char *
-x86_bios_strerror(long status)
+struct uv_systab uv_systab;
+
+s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5)
 {
-	const char *str;
-	switch (status) {
-	case  0: str = "Call completed without error";	break;
-	case -1: str = "Not implemented";		break;
-	case -2: str = "Invalid argument";		break;
-	case -3: str = "Call completed with error";	break;
-	default: str = "Unknown BIOS status code";	break;
-	}
-	return str;
+	struct uv_systab *tab = &uv_systab;
+
+	if (!tab->function)
+		/*
+		 * BIOS does not support UV systab
+		 */
+		return BIOS_STATUS_UNIMPLEMENTED;
+
+	return efi_call6((void *)__va(tab->function),
+					(u64)which, a1, a2, a3, a4, a5);
 }
 
-long
-x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second,
-		   unsigned long *drift_info)
+s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
+					u64 a4, u64 a5)
 {
-	struct uv_bios_retval isrv;
+	unsigned long bios_flags;
+	s64 ret;
+
+	local_irq_save(bios_flags);
+	ret = uv_bios_call(which, a1, a2, a3, a4, a5);
+	local_irq_restore(bios_flags);
+
+	return ret;
+}
+
+s64 uv_bios_call_reentrant(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
+					u64 a4, u64 a5)
+{
+	s64 ret;
+
+	preempt_disable();
+	ret = uv_bios_call(which, a1, a2, a3, a4, a5);
+	preempt_enable();
 
-	BIOS_CALL(isrv, BIOS_FREQ_BASE, which, 0, 0, 0, 0, 0, 0);
-	*ticks_per_second = isrv.v0;
-	*drift_info = isrv.v1;
-	return isrv.status;
+	return ret;
+}
+
+long
+x86_bios_freq_base(unsigned long clock_type, unsigned long *ticks_per_second,
+					unsigned long *drift_info)
+{
+	return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type,
+				(u64)ticks_per_second, 0, 0, 0);
 }
 EXPORT_SYMBOL_GPL(x86_bios_freq_base);
+
+
+#ifdef CONFIG_EFI
+void uv_bios_init(void)
+{
+	struct uv_systab *tab;
+
+	if ((efi.uv_systab == EFI_INVALID_TABLE_ADDR) ||
+	    (efi.uv_systab == (unsigned long)NULL)) {
+		printk(KERN_CRIT "No EFI UV System Table.\n");
+		uv_systab.function = (unsigned long)NULL;
+		return;
+	}
+
+	tab = (struct uv_systab *)ioremap(efi.uv_systab,
+					sizeof(struct uv_systab));
+	if (strncmp(tab->signature, "UVST", 4) != 0)
+		printk(KERN_ERR "bad signature in UV system table!");
+
+	/*
+	 * Copy table to permanent spot for later use.
+	 */
+	memcpy(&uv_systab, tab, sizeof(struct uv_systab));
+	iounmap(tab);
+
+	printk(KERN_INFO "EFI UV System Table Revision %d\n", tab->revision);
+}
+#else	/* !CONFIG_EFI */
+
+void uv_bios_init(void) { }
+#endif
+
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index b689075bbe2..aa2e5e15bf6 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -427,6 +427,7 @@ void __init uv_system_init(void)
 	gnode_upper = (((unsigned long)node_id.s.node_id) &
 		       ~((1 << n_val) - 1)) << m_val;
 
+	uv_bios_init();
 	uv_rtc_init();
 
 	for_each_present_cpu(cpu) {
diff --git a/include/asm-x86/efi.h b/include/asm-x86/efi.h
index ed2de22e870..313438e6334 100644
--- a/include/asm-x86/efi.h
+++ b/include/asm-x86/efi.h
@@ -94,4 +94,17 @@ extern void efi_reserve_early(void);
 extern void efi_call_phys_prelog(void);
 extern void efi_call_phys_epilog(void);
 
+#ifndef CONFIG_EFI
+/*
+ * IF EFI is not configured, have the EFI calls return -ENOSYS.
+ */
+#define efi_call0(_f)					(-ENOSYS)
+#define efi_call1(_f, _a1)				(-ENOSYS)
+#define efi_call2(_f, _a1, _a2)				(-ENOSYS)
+#define efi_call3(_f, _a1, _a2, _a3)			(-ENOSYS)
+#define efi_call4(_f, _a1, _a2, _a3, _a4)		(-ENOSYS)
+#define efi_call5(_f, _a1, _a2, _a3, _a4, _a5)		(-ENOSYS)
+#define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6)	(-ENOSYS)
+#endif /* CONFIG_EFI */
+
 #endif /* ASM_X86__EFI_H */
diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h
index 7cd6d7ec130..f63e46e5337 100644
--- a/include/asm-x86/uv/bios.h
+++ b/include/asm-x86/uv/bios.h
@@ -2,9 +2,7 @@
 #define ASM_X86__UV__BIOS_H
 
 /*
- * BIOS layer definitions.
- *
- *  Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+ * UV BIOS layer definitions.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -19,50 +17,61 @@
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ *  Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+ *  Copyright (c) Russ Anderson
  */
 
 #include <linux/rtc.h>
 
-#define BIOS_FREQ_BASE			0x01000001
+/*
+ * Values for the BIOS calls.  It is passed as the first * argument in the
+ * BIOS call.  Passing any other value in the first argument will result
+ * in a BIOS_STATUS_UNIMPLEMENTED return status.
+ */
+enum uv_bios_cmd {
+	UV_BIOS_COMMON,
+	UV_BIOS_GET_SN_INFO,
+	UV_BIOS_FREQ_BASE
+};
 
+/*
+ * Status values returned from a BIOS call.
+ */
 enum {
-	BIOS_FREQ_BASE_PLATFORM = 0,
-	BIOS_FREQ_BASE_INTERVAL_TIMER = 1,
-	BIOS_FREQ_BASE_REALTIME_CLOCK = 2
+	BIOS_STATUS_SUCCESS		=  0,
+	BIOS_STATUS_UNIMPLEMENTED	= -ENOSYS,
+	BIOS_STATUS_EINVAL		= -EINVAL,
+	BIOS_STATUS_UNAVAIL		= -EBUSY
 };
 
-# define BIOS_CALL(result, a0, a1, a2, a3, a4, a5, a6, a7)		\
-	do {								\
-		/* XXX - the real call goes here */			\
-		result.status = BIOS_STATUS_UNIMPLEMENTED;		\
-		isrv.v0 = 0;						\
-		isrv.v1 = 0;						\
-	} while (0)
+/*
+ * The UV system table describes specific firmware
+ * capabilities available to the Linux kernel at runtime.
+ */
+struct uv_systab {
+	char signature[4];	/* must be "UVST" */
+	u32 revision;		/* distinguish different firmware revs */
+	u64 function;		/* BIOS runtime callback function ptr */
+};
 
 enum {
-	BIOS_STATUS_SUCCESS		=  0,
-	BIOS_STATUS_UNIMPLEMENTED	= -1,
-	BIOS_STATUS_EINVAL		= -2,
-	BIOS_STATUS_ERROR		= -3
+	BIOS_FREQ_BASE_PLATFORM = 0,
+	BIOS_FREQ_BASE_INTERVAL_TIMER = 1,
+	BIOS_FREQ_BASE_REALTIME_CLOCK = 2
 };
 
-struct uv_bios_retval {
-	/*
-	 * A zero status value indicates call completed without error.
-	 * A negative status value indicates reason of call failure.
-	 * A positive status value indicates success but an
-	 * informational value should be printed (e.g., "reboot for
-	 * change to take effect").
-	 */
-	s64 status;
-	u64 v0;
-	u64 v1;
-	u64 v2;
-};
+/*
+ * bios calls have 6 parameters
+ */
+extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64);
+extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
+extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64);
+
+extern void uv_bios_init(void);
 
 extern long
 x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second,
 		   unsigned long *drift_info);
-extern const char *x86_bios_strerror(long status);
 
 #endif /* ASM_X86__UV__BIOS_H */
-- 
GitLab


From 922402f15a85f7a064926eb1db68cc52bc4d4a91 Mon Sep 17 00:00:00 2001
From: Russ Anderson <rja@sgi.com>
Date: Fri, 3 Oct 2008 11:59:33 -0500
Subject: [PATCH 0769/2224] x86: Add UV partition call v4

Add a bios call to return partitioning related info.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/bios_uv.c        | 44 ++++++++++++++++++++++++++++----
 arch/x86/kernel/genx2apic_uv_x.c | 14 +++++-----
 include/asm-x86/uv/bios.h        | 22 +++++++++++++---
 3 files changed, 66 insertions(+), 14 deletions(-)

diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c
index 5481eb59f78..f0dfe6f17e7 100644
--- a/arch/x86/kernel/bios_uv.c
+++ b/arch/x86/kernel/bios_uv.c
@@ -23,6 +23,7 @@
 #include <asm/efi.h>
 #include <linux/io.h>
 #include <asm/uv/bios.h>
+#include <asm/uv/uv_hub.h>
 
 struct uv_systab uv_systab;
 
@@ -65,14 +66,47 @@ s64 uv_bios_call_reentrant(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
 	return ret;
 }
 
-long
-x86_bios_freq_base(unsigned long clock_type, unsigned long *ticks_per_second,
-					unsigned long *drift_info)
+
+long sn_partition_id;
+EXPORT_SYMBOL_GPL(sn_partition_id);
+long uv_coherency_id;
+EXPORT_SYMBOL_GPL(uv_coherency_id);
+long uv_region_size;
+EXPORT_SYMBOL_GPL(uv_region_size);
+int uv_type;
+
+
+s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher,
+		long *region)
+{
+	s64 ret;
+	u64 v0, v1;
+	union partition_info_u part;
+
+	ret = uv_bios_call_irqsave(UV_BIOS_GET_SN_INFO, fc,
+				(u64)(&v0), (u64)(&v1), 0, 0);
+	if (ret != BIOS_STATUS_SUCCESS)
+		return ret;
+
+	part.val = v0;
+	if (uvtype)
+		*uvtype = part.hub_version;
+	if (partid)
+		*partid = part.partition_id;
+	if (coher)
+		*coher = part.coherence_id;
+	if (region)
+		*region = part.region_size;
+	return ret;
+}
+
+
+s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second)
 {
 	return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type,
-				(u64)ticks_per_second, 0, 0, 0);
+			   (u64)ticks_per_second, 0, 0, 0);
 }
-EXPORT_SYMBOL_GPL(x86_bios_freq_base);
+EXPORT_SYMBOL_GPL(uv_bios_freq_base);
 
 
 #ifdef CONFIG_EFI
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index aa2e5e15bf6..bfd532843df 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -341,12 +341,12 @@ static __init void map_mmioh_high(int max_pnode)
 
 static __init void uv_rtc_init(void)
 {
-	long status, ticks_per_sec, drift;
+	long status;
+	u64 ticks_per_sec;
 
-	status =
-	    x86_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec,
-					&drift);
-	if (status != 0 || ticks_per_sec < 100000) {
+	status = uv_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK,
+					&ticks_per_sec);
+	if (status != BIOS_STATUS_SUCCESS || ticks_per_sec < 100000) {
 		printk(KERN_WARNING
 			"unable to determine platform RTC clock frequency, "
 			"guessing.\n");
@@ -428,6 +428,8 @@ void __init uv_system_init(void)
 		       ~((1 << n_val) - 1)) << m_val;
 
 	uv_bios_init();
+	uv_bios_get_sn_info(0, &uv_type, &sn_partition_id,
+			    &uv_coherency_id, &uv_region_size);
 	uv_rtc_init();
 
 	for_each_present_cpu(cpu) {
@@ -449,7 +451,7 @@ void __init uv_system_init(void)
 		uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1;
 		uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper;
 		uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base;
-		uv_cpu_hub_info(cpu)->coherency_domain_number = 0;/* ZZZ */
+		uv_cpu_hub_info(cpu)->coherency_domain_number = uv_coherency_id;
 		uv_node_to_blade[nid] = blade;
 		uv_cpu_to_blade[cpu] = blade;
 		max_pnode = max(pnode, max_pnode);
diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h
index f63e46e5337..3b305d897c8 100644
--- a/include/asm-x86/uv/bios.h
+++ b/include/asm-x86/uv/bios.h
@@ -61,6 +61,16 @@ enum {
 	BIOS_FREQ_BASE_REALTIME_CLOCK = 2
 };
 
+union partition_info_u {
+	u64	val;
+	struct {
+		u64	hub_version	:  8,
+			partition_id	: 16,
+			coherence_id	: 16,
+			region_size	: 24;
+	};
+};
+
 /*
  * bios calls have 6 parameters
  */
@@ -68,10 +78,16 @@ extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64);
 extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
 extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64);
 
+extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *);
+extern s64 uv_bios_freq_base(u64, u64 *);
+
 extern void uv_bios_init(void);
 
-extern long
-x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second,
-		   unsigned long *drift_info);
+extern int uv_type;
+extern long sn_partition_id;
+extern long uv_coherency_id;
+extern long uv_region_size;
+#define partition_coherence_id()	(uv_coherency_id)
+
 
 #endif /* ASM_X86__UV__BIOS_H */
-- 
GitLab


From fc8c2d763bacc02962048fa042e287debb1416aa Mon Sep 17 00:00:00 2001
From: Russ Anderson <rja@sgi.com>
Date: Fri, 3 Oct 2008 11:59:50 -0500
Subject: [PATCH 0770/2224] x86: Add sysfs entries for UV v4

Create /sys/firmware/sgi_uv sysfs entries for partition_id and coherence_id.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/Makefile   |  2 +-
 arch/x86/kernel/uv_sysfs.c | 72 ++++++++++++++++++++++++++++++++++++++
 include/asm-x86/uv/bios.h  |  1 +
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 arch/x86/kernel/uv_sysfs.c

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index acc0e8bf043..cb6ade443f0 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -108,7 +108,7 @@ obj-$(CONFIG_MICROCODE)			+= microcode.o
 # 64 bit specific files
 ifeq ($(CONFIG_X86_64),y)
         obj-y				+= genapic_64.o genapic_flat_64.o genx2apic_uv_x.o tlb_uv.o
-	obj-y				+= bios_uv.o uv_irq.o
+	obj-y				+= bios_uv.o uv_irq.o uv_sysfs.o
         obj-y				+= genx2apic_cluster.o
         obj-y				+= genx2apic_phys.o
         obj-$(CONFIG_X86_PM_TIMER)	+= pmtimer_64.o
diff --git a/arch/x86/kernel/uv_sysfs.c b/arch/x86/kernel/uv_sysfs.c
new file mode 100644
index 00000000000..67f9b9dbf80
--- /dev/null
+++ b/arch/x86/kernel/uv_sysfs.c
@@ -0,0 +1,72 @@
+/*
+ * This file supports the /sys/firmware/sgi_uv interfaces for SGI UV.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ *  Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+ *  Copyright (c) Russ Anderson
+ */
+
+#include <linux/sysdev.h>
+#include <asm/uv/bios.h>
+
+struct kobject *sgi_uv_kobj;
+
+static ssize_t partition_id_show(struct kobject *kobj,
+			struct kobj_attribute *attr, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%ld\n", sn_partition_id);
+}
+
+static ssize_t coherence_id_show(struct kobject *kobj,
+			struct kobj_attribute *attr, char *buf)
+{
+	return snprintf(buf, PAGE_SIZE, "%ld\n", partition_coherence_id());
+}
+
+static struct kobj_attribute partition_id_attr =
+	__ATTR(partition_id, S_IRUGO, partition_id_show, NULL);
+
+static struct kobj_attribute coherence_id_attr =
+	__ATTR(coherence_id, S_IRUGO, coherence_id_show, NULL);
+
+
+static int __init sgi_uv_sysfs_init(void)
+{
+	unsigned long ret;
+
+	if (!sgi_uv_kobj)
+		sgi_uv_kobj = kobject_create_and_add("sgi_uv", firmware_kobj);
+	if (!sgi_uv_kobj) {
+		printk(KERN_WARNING "kobject_create_and_add sgi_uv failed \n");
+		return -EINVAL;
+	}
+
+	ret = sysfs_create_file(sgi_uv_kobj, &partition_id_attr.attr);
+	if (ret) {
+		printk(KERN_WARNING "sysfs_create_file partition_id failed \n");
+		return ret;
+	}
+
+	ret = sysfs_create_file(sgi_uv_kobj, &coherence_id_attr.attr);
+	if (ret) {
+		printk(KERN_WARNING "sysfs_create_file coherence_id failed \n");
+		return ret;
+	}
+
+	return 0;
+}
+
+device_initcall(sgi_uv_sysfs_init);
diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h
index 3b305d897c8..215f1969c26 100644
--- a/include/asm-x86/uv/bios.h
+++ b/include/asm-x86/uv/bios.h
@@ -89,5 +89,6 @@ extern long uv_coherency_id;
 extern long uv_region_size;
 #define partition_coherence_id()	(uv_coherency_id)
 
+extern struct kobject *sgi_uv_kobj;	/* /sys/firmware/sgi_uv */
 
 #endif /* ASM_X86__UV__BIOS_H */
-- 
GitLab


From 4c66a73f0796dacc2ff0d4af75794ec843ceb3d1 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sat, 4 Oct 2008 15:52:15 -0700
Subject: [PATCH 0771/2224] x86: sparse_irq: fix typo in debug print out

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 260c95a5e6d..f959acbc0db 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -257,7 +257,7 @@ static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 			panic("please boot with nr_irq_cfg= %d\n", count * 2);
 
 		phys = __pa(cfg);
-		printk(KERN_DEBUG "irq_irq ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
+		printk(KERN_DEBUG "irq_cfg ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
 
 		for (i = 0; i < nr_irq_cfg; i++)
 			init_one_irq_cfg(&cfg[i]);
-- 
GitLab


From 81608f3c254512b906ab78082ec5966b376aacd5 Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Fri, 10 Oct 2008 19:00:17 +0400
Subject: [PATCH 0772/2224] x86: apic - unify APIC_DIVISOR

Use APIC_DIVISOR being set to 16 for both 32/64bit
mode. To escape APIC timer underflow during calibration
set it to the maximum possible value.

Also typo error (CONFG instead of proper CONFIG) fixed.
The error was caught by Venkatesh Pallipadi, thanks a lot Venkatesh!

See details on http://lkml.org/lkml/2008/10/9/425

Reported-by: Venkatesh Pallipad <venkatesh.pallipadi@intel.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Acked-by: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/apic.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 1f48bd1c9f2..04a7f960bbc 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -332,11 +332,7 @@ int lapic_get_maxlvt(void)
  */
 
 /* Clock divisor */
-#ifdef CONFG_X86_64
-#define APIC_DIVISOR 1
-#else
 #define APIC_DIVISOR 16
-#endif
 
 /*
  * This function sets up the local APIC timer, with a timeout of
@@ -592,10 +588,10 @@ static int __init calibrate_APIC_clock(void)
 	global_clock_event->event_handler = lapic_cal_handler;
 
 	/*
-	 * Setup the APIC counter to 1e9. There is no way the lapic
+	 * Setup the APIC counter to maximum. There is no way the lapic
 	 * can underflow in the 100ms detection time frame
 	 */
-	__setup_APIC_LVTT(1000000000, 0, 0);
+	__setup_APIC_LVTT(0xffffffff, 0, 0);
 
 	/* Let the interrupts run */
 	local_irq_enable();
-- 
GitLab


From 7ef0c30dbf96a8d9a234e90c248eb19df3c031be Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 13:07:35 +0200
Subject: [PATCH 0773/2224] genirq: define nr_irqs for architectures with
 GENERIC_HARDIRQS=n

Revert the sparse irq changes in m68k/s390/sparc and just define
nr_irqs as NR_IRQS for those architectures.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/m68k/kernel/ints.c   | 3 ---
 arch/s390/kernel/irq.c    | 3 ---
 arch/sparc/kernel/irq.c   | 4 ----
 include/linux/interrupt.h | 8 +++++---
 4 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c
index 44169e4cd91..7e8a0d394e6 100644
--- a/arch/m68k/kernel/ints.c
+++ b/arch/m68k/kernel/ints.c
@@ -46,9 +46,6 @@
 #include <asm/q40ints.h>
 #endif
 
-int nr_irqs = NR_IRQS;
-EXPORT_SYMBOL(nr_irqs);
-
 extern u32 auto_irqhandler_fixup[];
 extern u32 user_irqhandler_fixup[];
 extern u16 user_irqvec_fixup[];
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 3624c4a0037..e7c5bfb7c75 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -17,9 +17,6 @@
 #include <linux/proc_fs.h>
 #include <linux/profile.h>
 
-int nr_irqs = NR_IRQS;
-EXPORT_SYMBOL(nr_irqs);
-
 /*
  * show_interrupts is needed by /proc/interrupts.
  */
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 4b99e3ce391..93e1d1c6529 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -55,10 +55,6 @@
 #define SMP_NOP2
 #define SMP_NOP3
 #endif /* SMP */
-
-int nr_irqs = NR_IRQS;
-EXPORT_SYMBOL(nr_irqs);
-
 unsigned long __raw_local_irq_save(void)
 {
 	unsigned long retval;
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index d4039a0b23f..5a57df2ee92 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -15,11 +15,13 @@
 #include <asm/ptrace.h>
 #include <asm/system.h>
 
-extern int nr_irqs;
-
 #ifndef CONFIG_GENERIC_HARDIRQS
-#define for_each_irq_desc(irq, desc)		\
+# define for_each_irq_desc(irq, desc)		\
 	for (irq = 0; irq < nr_irqs; irq++)
+
+# define nr_irqs		NR_IRQS
+#else
+extern int nr_irqs;
 #endif
 
 /*
-- 
GitLab


From 3235e936c0cc3589309280b6f59e5096779adae3 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 13:16:00 +0200
Subject: [PATCH 0774/2224] x86: remove sparse irq from Kconfig

This code is not ready yet.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/Kconfig | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 600584b7a49..8636ddf2f4a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -237,17 +237,6 @@ config SMP
 
 	  If you don't know what to do here, say N.
 
-config HAVE_SPARSE_IRQ
-	bool "Support sparse irq numbering"
-	depends on PCI_MSI || HT_IRQ
-	default y
-	help
-	  This enables support for sparse irq, esp for msi/msi-x. the irq
-	  number will be bus/dev/fn + 12bit. You may need if you have lots of
-	  cards supports msi-x installed.
-
-	  If you don't know what to do here, say Y.
-
 config X86_FIND_SMP_CONFIG
 	def_bool y
 	depends on X86_MPPARSE || X86_VOYAGER
-- 
GitLab


From 70dd4d992ab324a59cdcd6bedc3f4e729863d514 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 15:39:27 +0200
Subject: [PATCH 0775/2224] genirq: consolidate nr_irqs and for_each_irq_desc()

Move all of those to linux/irq.h where they belong.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/interrupt.h |  9 ---------
 include/linux/irq.h       | 17 ++++++++++++-----
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 5a57df2ee92..58ff4e74b2f 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -15,15 +15,6 @@
 #include <asm/ptrace.h>
 #include <asm/system.h>
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-# define for_each_irq_desc(irq, desc)		\
-	for (irq = 0; irq < nr_irqs; irq++)
-
-# define nr_irqs		NR_IRQS
-#else
-extern int nr_irqs;
-#endif
-
 /*
  * These correspond to the IORESOURCE_IRQ_* defines in
  * linux/ioport.h to select the interrupt line behaviour.  When
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 93fe9a943e7..dbe8734ae86 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -11,6 +11,18 @@
 
 #include <linux/smp.h>
 
+#ifndef CONFIG_GENERIC_HARDIRQS
+# define nr_irqs		NR_IRQS
+
+# define for_each_irq_desc(irq, desc)		\
+	for (irq = 0; irq < nr_irqs; irq++)
+#else
+extern int nr_irqs;
+
+# define for_each_irq_desc(irq, desc)		\
+	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
+#endif
+
 #ifndef CONFIG_S390
 
 #include <linux/linkage.h>
@@ -204,11 +216,6 @@ extern struct irq_desc irq_desc[NR_IRQS];
 extern struct irq_desc *irq_desc;
 #endif
 
-#ifdef CONFIG_GENERIC_HARDIRQS
-#define for_each_irq_desc(irq, desc)		\
-	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc = &irq_desc[irq])
-#endif
-
 #else
 
 extern struct irq_desc *sparse_irqs;
-- 
GitLab


From c6b7674f323622d86316bf7951ad9cae1ce24642 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 14:31:29 +0200
Subject: [PATCH 0776/2224] genirq: use inline function for irq_to_desc

For the non sparse irq case an inline function is perfectly fine.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/irq.h | 15 +++++++++++++--
 kernel/irq/handle.c | 14 --------------
 2 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index dbe8734ae86..7d1adacaadb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -204,8 +204,6 @@ struct irq_desc {
 	const char		*name;
 } ____cacheline_internodealigned_in_smp;
 
-extern struct irq_desc *irq_to_desc(unsigned int irq);
-extern struct irq_desc *irq_to_desc_alloc(unsigned int irq);
 
 #ifndef CONFIG_HAVE_SPARSE_IRQ
 
@@ -216,8 +214,21 @@ extern struct irq_desc irq_desc[NR_IRQS];
 extern struct irq_desc *irq_desc;
 #endif
 
+static inline struct irq_desc *irq_to_desc(unsigned int irq)
+{
+	return (irq < nr_irqs) ? irq_desc + irq : NULL;
+}
+
+static inline struct irq_desc *irq_to_desc_alloc(unsigned int irq)
+{
+	return irq_to_desc(irq);
+}
+
 #else
 
+extern struct irq_desc *irq_to_desc(unsigned int irq);
+extern struct irq_desc *irq_to_desc_alloc(unsigned int irq);
+
 extern struct irq_desc *sparse_irqs;
 #define for_each_irq_desc(irqX, desc)		\
 	for (desc = sparse_irqs, irqX = desc->irq; desc; desc = desc->next, irqX = desc ? desc->irq : -1U)
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index fb6bdb602a9..c19896f895f 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -262,20 +262,6 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 
 #endif
 
-#ifndef CONFIG_HAVE_SPARSE_IRQ
-struct irq_desc *irq_to_desc(unsigned int irq)
-{
-	if (irq < nr_irqs)
-		return &irq_desc[irq];
-
-	return NULL;
-}
-struct irq_desc *irq_to_desc_alloc(unsigned int irq)
-{
-	return irq_to_desc(irq);
-}
-#endif
-
 /*
  * What should we do if we get a hw irq event on an illegal vector?
  * Each architecture has to answer this themself.
-- 
GitLab


From 2cc21ef843d4fb7da122239b644a1f6f0aca60a6 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 14:16:55 +0200
Subject: [PATCH 0777/2224] genirq: remove sparse irq code

This code is not ready, but we need to rip it out instead of rebasing
as we would lose the APIC/IO_APIC unification otherwise.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/io_apic.c    | 130 ++---------------------------------
 arch/x86/kernel/irq_32.c     |   8 ---
 arch/x86/kernel/irq_64.c     |   8 ---
 drivers/char/random.c        |  31 ---------
 drivers/pci/htirq.c          |  19 +----
 drivers/pci/intr_remapping.c |  75 --------------------
 fs/proc/proc_misc.c          |  43 ++----------
 include/linux/irq.h          |  20 ------
 kernel/irq/handle.c          | 114 ------------------------------
 9 files changed, 10 insertions(+), 438 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index f959acbc0db..683610517d2 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -111,9 +111,6 @@ struct irq_cfg;
 struct irq_pin_list;
 struct irq_cfg {
 	unsigned int irq;
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	struct irq_cfg *next;
-#endif
 	struct irq_pin_list *irq_2_pin;
 	cpumask_t domain;
 	cpumask_t old_domain;
@@ -151,15 +148,6 @@ static void init_one_irq_cfg(struct irq_cfg *cfg)
 
 static struct irq_cfg *irq_cfgx;
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-/*
- * Protect the irq_cfgx_free freelist:
- */
-static DEFINE_SPINLOCK(irq_cfg_lock);
-
-static struct irq_cfg *irq_cfgx_free;
-#endif
-
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
@@ -174,114 +162,7 @@ static void __init init_work(void *data)
 	legacy_count = ARRAY_SIZE(irq_cfg_legacy);
 	for (i = legacy_count; i < *da->nr; i++)
 		init_one_irq_cfg(&cfg[i]);
-
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	for (i = 1; i < *da->nr; i++)
-		cfg[i-1].next = &cfg[i];
-
-	irq_cfgx_free = &irq_cfgx[legacy_count];
-	irq_cfgx[legacy_count - 1].next = NULL;
-#endif
-}
-
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-/* need to be biger than size of irq_cfg_legacy */
-static int nr_irq_cfg = 32;
-
-static int __init parse_nr_irq_cfg(char *arg)
-{
-	if (arg) {
-		nr_irq_cfg = simple_strtoul(arg, NULL, 0);
-		if (nr_irq_cfg < 32)
-			nr_irq_cfg = 32;
-	}
-	return 0;
-}
-
-early_param("nr_irq_cfg", parse_nr_irq_cfg);
-
-#define for_each_irq_cfg(irqX, cfg)           \
-        for (cfg = irq_cfgx, irqX = cfg->irq; cfg; cfg = cfg->next, irqX = cfg ? cfg->irq : -1U)
-
-
-DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work);
-
-static struct irq_cfg *irq_cfg(unsigned int irq)
-{
-	struct irq_cfg *cfg;
-
-	cfg = irq_cfgx;
-	while (cfg) {
-		if (cfg->irq == irq)
-			return cfg;
-
-		cfg = cfg->next;
-	}
-
-	return NULL;
-}
-
-static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
-{
-	struct irq_cfg *cfg, *cfg_pri;
-	unsigned long flags;
-	int count = 0;
-	int i;
-
-	cfg_pri = cfg = irq_cfgx;
-	while (cfg) {
-		if (cfg->irq == irq)
-			return cfg;
-
-		cfg_pri = cfg;
-		cfg = cfg->next;
-		count++;
-	}
-
-	spin_lock_irqsave(&irq_cfg_lock, flags);
-	if (!irq_cfgx_free) {
-		unsigned long phys;
-		unsigned long total_bytes;
-		/*
-		 *  we run out of pre-allocate ones, allocate more
-		 */
-		printk(KERN_DEBUG "try to get more irq_cfg %d\n", nr_irq_cfg);
-
-		total_bytes = sizeof(struct irq_cfg) * nr_irq_cfg;
-		if (after_bootmem)
-			cfg = kzalloc(total_bytes, GFP_ATOMIC);
-		else
-			cfg = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
-
-		if (!cfg)
-			panic("please boot with nr_irq_cfg= %d\n", count * 2);
-
-		phys = __pa(cfg);
-		printk(KERN_DEBUG "irq_cfg ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
-
-		for (i = 0; i < nr_irq_cfg; i++)
-			init_one_irq_cfg(&cfg[i]);
-
-		for (i = 1; i < nr_irq_cfg; i++)
-			cfg[i-1].next = &cfg[i];
-
-		irq_cfgx_free = cfg;
-	}
-
-	cfg = irq_cfgx_free;
-	irq_cfgx_free = irq_cfgx_free->next;
-	cfg->next = NULL;
-	if (cfg_pri)
-		cfg_pri->next = cfg;
-	else
-		irq_cfgx = cfg;
-	cfg->irq = irq;
-
-	spin_unlock_irqrestore(&irq_cfg_lock, flags);
-
-	return cfg;
 }
-#else
 
 #define for_each_irq_cfg(irq, cfg)		\
 	for (irq = 0, cfg = &irq_cfgx[irq]; irq < nr_irqs; irq++, cfg = &irq_cfgx[irq])
@@ -290,17 +171,16 @@ DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work
 
 struct irq_cfg *irq_cfg(unsigned int irq)
 {
-        if (irq < nr_irqs)
-                return &irq_cfgx[irq];
+	if (irq < nr_irqs)
+		return &irq_cfgx[irq];
 
-        return NULL;
+	return NULL;
 }
 struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 {
-        return irq_cfg(irq);
+	return irq_cfg(irq);
 }
 
-#endif
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -3068,9 +2948,7 @@ unsigned int create_irq_nr(unsigned int irq_want)
 	unsigned long flags;
 	struct irq_cfg *cfg_new;
 
-#ifndef CONFIG_HAVE_SPARSE_IRQ
 	irq_want = nr_irqs - 1;
-#endif
 
 	irq = 0;
 	spin_lock_irqsave(&vector_lock, flags);
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 001772ffc91..ccf6c1bf712 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -272,20 +272,12 @@ int show_interrupts(struct seq_file *p, void *v)
 	struct irq_desc *desc = NULL;
 	int tail = 0;
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	desc = (struct irq_desc *)v;
-	entries = -1U;
-	i = desc->irq;
-	if (!desc->next)
-		tail = 1;
-#else
 	entries = nr_irqs - 1;
 	i = *(loff_t *) v;
 	if (i == nr_irqs)
 		tail = 1;
 	else
 		desc = irq_to_desc(i);
-#endif
 
 	if (i == 0) {
 		seq_printf(p, "           ");
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index ec266109128..21f53b91111 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -77,20 +77,12 @@ int show_interrupts(struct seq_file *p, void *v)
 	struct irq_desc *desc = NULL;
 	int tail = 0;
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	desc = (struct irq_desc *)v;
-	entries = -1U;
-	i = desc->irq;
-	if (!desc->next)
-		tail = 1;
-#else
 	entries = nr_irqs - 1;
 	i = *(loff_t *) v;
 	if (i == nr_irqs)
 		tail = 1;
 	else
 		desc = irq_to_desc(i);
-#endif
 
 	if (i == 0) {
 		seq_printf(p, "           ");
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 60c9c7ee6b2..9ce80213007 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -558,8 +558,6 @@ struct timer_rand_state {
 	unsigned dont_count_entropy:1;
 };
 
-#ifndef CONFIG_HAVE_SPARSE_IRQ
-
 #ifdef CONFIG_HAVE_DYN_ARRAY
 static struct timer_rand_state **irq_timer_state;
 DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL);
@@ -583,33 +581,6 @@ static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *stat
 	irq_timer_state[irq] = state;
 }
 
-#else
-
-static struct timer_rand_state *get_timer_rand_state(unsigned int irq)
-{
-	struct irq_desc *desc;
-
-	desc = irq_to_desc(irq);
-
-	if (!desc)
-		return NULL;
-
-	return desc->timer_rand_state;
-}
-
-static void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
-{
-	struct irq_desc *desc;
-
-	desc = irq_to_desc(irq);
-
-	if (!desc)
-		return;
-
-	desc->timer_rand_state = state;
-}
-#endif
-
 static struct timer_rand_state input_timer_state;
 
 /*
@@ -967,10 +938,8 @@ void rand_initialize_irq(int irq)
 {
 	struct timer_rand_state *state;
 
-#ifndef CONFIG_HAVE_SPARSE_IRQ
 	if (irq >= nr_irqs)
 		return;
-#endif
 
 	state = get_timer_rand_state(irq);
 
diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c
index 9e4929a0083..bf7d6ce9bbb 100644
--- a/drivers/pci/htirq.c
+++ b/drivers/pci/htirq.c
@@ -82,18 +82,6 @@ void unmask_ht_irq(unsigned int irq)
 	write_ht_irq_msg(irq, &msg);
 }
 
-static unsigned int build_irq_for_pci_dev(struct pci_dev *dev)
-{
-	unsigned int irq;
-
-	irq = dev->bus->number;
-	irq <<= 8;
-	irq |= dev->devfn;
-	irq <<= 12;
-
-	return irq;
-}
-
 /**
  * __ht_create_irq - create an irq and attach it to a device.
  * @dev: The hypertransport device to find the irq capability on.
@@ -110,7 +98,6 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
 	int max_irq;
 	int pos;
 	int irq;
-	unsigned int irq_want;
 
 	pos = pci_find_ht_capability(dev, HT_CAPTYPE_IRQ);
 	if (!pos)
@@ -138,12 +125,8 @@ int __ht_create_irq(struct pci_dev *dev, int idx, ht_irq_update_t *update)
 	cfg->msg.address_lo = 0xffffffff;
 	cfg->msg.address_hi = 0xffffffff;
 
-	irq_want= build_irq_for_pci_dev(dev);
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	irq = create_irq_nr(irq_want + idx);
-#else
 	irq = create_irq();
-#endif
+
 	if (irq <= 0) {
 		kfree(cfg);
 		return -EBUSY;
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 2dcf973890c..0f43b265eee 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -19,78 +19,6 @@ struct irq_2_iommu {
 	u8  irte_mask;
 };
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-static struct irq_2_iommu *irq_2_iommuX;
-/* fill one page ? */
-static int nr_irq_2_iommu = 0x100;
-static int irq_2_iommu_index;
-DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irq_2_iommu, PAGE_SIZE, NULL);
-
-extern void *__alloc_bootmem_nopanic(unsigned long size,
-				     unsigned long align,
-				     unsigned long goal);
-
-static struct irq_2_iommu *get_one_free_irq_2_iommu(int not_used)
-{
-	struct irq_2_iommu *iommu;
-	unsigned long total_bytes;
-
-	if (irq_2_iommu_index >= nr_irq_2_iommu) {
-		/*
-		 *  we run out of pre-allocate ones, allocate more
-		 */
-		printk(KERN_DEBUG "try to get more irq_2_iommu %d\n", nr_irq_2_iommu);
-
-		total_bytes = sizeof(struct irq_2_iommu)*nr_irq_2_iommu;
-
-		if (after_bootmem)
-			iommu = kzalloc(total_bytes, GFP_ATOMIC);
-		else
-			iommu = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
-
-		if (!iommu)
-			panic("can not get more irq_2_iommu\n");
-
-		irq_2_iommuX = iommu;
-		irq_2_iommu_index = 0;
-	}
-
-	iommu = &irq_2_iommuX[irq_2_iommu_index];
-	irq_2_iommu_index++;
-	return iommu;
-}
-
-static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
-{
-	struct irq_desc *desc;
-
-	desc = irq_to_desc(irq);
-
-	BUG_ON(!desc);
-
-	return desc->irq_2_iommu;
-}
-
-static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
-{
-	struct irq_desc *desc;
-	struct irq_2_iommu *irq_iommu;
-
-	/*
-	 * alloc irq desc if not allocated already.
-	 */
-	desc = irq_to_desc_alloc(irq);
-
-	irq_iommu = desc->irq_2_iommu;
-
-	if (!irq_iommu)
-		desc->irq_2_iommu = get_one_free_irq_2_iommu(irq);
-
-	return desc->irq_2_iommu;
-}
-
-#else /* !CONFIG_HAVE_SPARSE_IRQ */
-
 #ifdef CONFIG_HAVE_DYN_ARRAY
 static struct irq_2_iommu *irq_2_iommuX;
 DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL);
@@ -109,7 +37,6 @@ static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
 {
 	return irq_2_iommu(irq);
 }
-#endif
 
 static DEFINE_SPINLOCK(irq_2_ir_lock);
 
@@ -166,11 +93,9 @@ int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
 	if (!count)
 		return -1;
 
-#ifndef	CONFIG_HAVE_SPARSE_IRQ
 	/* protect irq_2_iommu_alloc later */
 	if (irq >= nr_irqs)
 		return -1;
-#endif
 
 	/*
 	 * start the IRTE search from index 0.
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index d68c3592fe4..3f5c7b9d1a7 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -529,13 +529,10 @@ static int show_stat(struct seq_file *p, void *v)
 		softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
 		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
 		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
+
 		for_each_irq_desc(j, desc)
-		{
-			unsigned int temp;
+			sum += kstat_irqs_cpu(j, i);
 
-			temp = kstat_irqs_cpu(j, i);
-			sum += temp;
-		}
 		sum += arch_irq_stat_cpu(i);
 	}
 	sum += arch_irq_stat();
@@ -578,21 +575,13 @@ static int show_stat(struct seq_file *p, void *v)
 	seq_printf(p, "intr %llu", (unsigned long long)sum);
 
 	/* sum again ? it could be updated? */
-	for_each_irq_desc(j, desc)
-	{
+	for_each_irq_desc(j, desc) {
 		per_irq_sum = 0;
-		for_each_possible_cpu(i) {
-			unsigned int temp;
 
-			temp = kstat_irqs_cpu(j, i);
-			per_irq_sum += temp;
-		}
+		for_each_possible_cpu(i)
+			per_irq_sum += kstat_irqs_cpu(j, i);
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-		seq_printf(p, " %#x:%u", j, per_irq_sum);
-#else
 		seq_printf(p, " %u", per_irq_sum);
-#endif
 	}
 
 	seq_printf(p,
@@ -645,36 +634,14 @@ static const struct file_operations proc_stat_operations = {
  */
 static void *int_seq_start(struct seq_file *f, loff_t *pos)
 {
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	struct irq_desc *desc;
-	int irq;
-	int count = *pos;
-
-	for_each_irq_desc(irq, desc) {
-		if (count-- == 0)
-			return desc;
-	}
-
-	return NULL;
-#else
 	return (*pos <= nr_irqs) ? pos : NULL;
-#endif
 }
 
 
 static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
 {
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	struct irq_desc *desc;
-
-	desc = ((struct irq_desc *)v)->next;
-	(*pos)++;
-
-	return desc;
-#else
 	(*pos)++;
 	return (*pos <= nr_irqs) ? pos : NULL;
-#endif
 }
 
 static void int_seq_stop(struct seq_file *f, void *v)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7d1adacaadb..68e0f3f9df3 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -167,15 +167,8 @@ struct irq_2_iommu;
  */
 struct irq_desc {
 	unsigned int		irq;
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	struct irq_desc		*next;
-	struct timer_rand_state *timer_rand_state;
-#endif
 #ifdef CONFIG_HAVE_DYN_ARRAY
 	unsigned int            *kstat_irqs;
-#endif
-#if defined(CONFIG_INTR_REMAP) && defined(CONFIG_HAVE_SPARSE_IRQ)
-       struct irq_2_iommu      *irq_2_iommu;
 #endif
 	irq_flow_handler_t	handle_irq;
 	struct irq_chip		*chip;
@@ -205,8 +198,6 @@ struct irq_desc {
 } ____cacheline_internodealigned_in_smp;
 
 
-#ifndef CONFIG_HAVE_SPARSE_IRQ
-
 #ifndef CONFIG_HAVE_DYN_ARRAY
 /* could be removed if we get rid of all irq_desc reference */
 extern struct irq_desc irq_desc[NR_IRQS];
@@ -224,17 +215,6 @@ static inline struct irq_desc *irq_to_desc_alloc(unsigned int irq)
 	return irq_to_desc(irq);
 }
 
-#else
-
-extern struct irq_desc *irq_to_desc(unsigned int irq);
-extern struct irq_desc *irq_to_desc_alloc(unsigned int irq);
-
-extern struct irq_desc *sparse_irqs;
-#define for_each_irq_desc(irqX, desc)		\
-	for (desc = sparse_irqs, irqX = desc->irq; desc; desc = desc->next, irqX = desc ? desc->irq : -1U)
-
-#endif
-
 #ifdef CONFIG_HAVE_DYN_ARRAY
 #define kstat_irqs_this_cpu(DESC) \
 	((DESC)->kstat_irqs[smp_processor_id()])
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index c19896f895f..f837133cdfb 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -111,15 +111,6 @@ static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
 	}
 }
 
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-/*
- * Protect the sparse_irqs_free freelist:
- */
-static DEFINE_SPINLOCK(sparse_irq_lock);
-static struct irq_desc *sparse_irqs_free;
-struct irq_desc *sparse_irqs;
-#endif
-
 static void __init init_work(void *data)
 {
 	struct dyn_array *da = data;
@@ -130,121 +121,16 @@ static void __init init_work(void *data)
 
 	for (i = 0; i < *da->nr; i++) {
 		init_one_irq_desc(&desc[i]);
-#ifndef CONFIG_HAVE_SPARSE_IRQ
 		desc[i].irq = i;
-#endif
 	}
 
 	/* init kstat_irqs, nr_cpu_ids is ready already */
 	init_kstat_irqs(desc, *da->nr, nr_cpu_ids);
-
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-	for (i = 1; i < *da->nr; i++)
-		desc[i-1].next = &desc[i];
-
-	sparse_irqs_free = sparse_irqs;
-	sparse_irqs = NULL;
-#endif
-}
-
-#ifdef CONFIG_HAVE_SPARSE_IRQ
-static int nr_irq_desc = 32;
-
-static int __init parse_nr_irq_desc(char *arg)
-{
-	if (arg)
-		nr_irq_desc = simple_strtoul(arg, NULL, 0);
-	return 0;
-}
-
-early_param("nr_irq_desc", parse_nr_irq_desc);
-
-DEFINE_DYN_ARRAY(sparse_irqs, sizeof(struct irq_desc), nr_irq_desc, PAGE_SIZE, init_work);
-
-struct irq_desc *irq_to_desc(unsigned int irq)
-{
-	struct irq_desc *desc;
-
-	desc = sparse_irqs;
-	while (desc) {
-		if (desc->irq == irq)
-			return desc;
-
-		desc = desc->next;
-	}
-	return NULL;
 }
 
-struct irq_desc *irq_to_desc_alloc(unsigned int irq)
-{
-	struct irq_desc *desc, *desc_pri;
-	unsigned long flags;
-	int count = 0;
-	int i;
-
-	desc_pri = desc = sparse_irqs;
-	while (desc) {
-		if (desc->irq == irq)
-			return desc;
-
-		desc_pri = desc;
-		desc = desc->next;
-		count++;
-	}
-
-	spin_lock_irqsave(&sparse_irq_lock, flags);
-	/*
-	 *  we run out of pre-allocate ones, allocate more
-	 */
-	if (!sparse_irqs_free) {
-		unsigned long phys;
-		unsigned long total_bytes;
-
-		printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc);
-
-		total_bytes = sizeof(struct irq_desc) * nr_irq_desc;
-		if (after_bootmem)
-			desc = kzalloc(total_bytes, GFP_ATOMIC);
-		else
-			desc = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
-
-		if (!desc)
-			panic("please boot with nr_irq_desc= %d\n", count * 2);
-
-		phys = __pa(desc);
-		printk(KERN_DEBUG "irq_desc ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
-
-		for (i = 0; i < nr_irq_desc; i++)
-			init_one_irq_desc(&desc[i]);
-
-		for (i = 1; i < nr_irq_desc; i++)
-			desc[i-1].next = &desc[i];
-
-		/* init kstat_irqs, nr_cpu_ids is ready already */
-		init_kstat_irqs(desc, nr_irq_desc, nr_cpu_ids);
-
-		sparse_irqs_free = desc;
-	}
-
-	desc = sparse_irqs_free;
-	sparse_irqs_free = sparse_irqs_free->next;
-	desc->next = NULL;
-	if (desc_pri)
-		desc_pri->next = desc;
-	else
-		sparse_irqs = desc;
-	desc->irq = irq;
-
-	spin_unlock_irqrestore(&sparse_irq_lock, flags);
-
-	return desc;
-}
-#else
 struct irq_desc *irq_desc;
 DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);
 
-#endif
-
 #else
 
 struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
-- 
GitLab


From ee32c9732244bde4b9b59eeac2814c23e2b71f8d Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 14:34:09 +0200
Subject: [PATCH 0778/2224] genirq: remove irq_to_desc_alloc

Remove the leftover of sparseirqs.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/io_apic.c    | 6 +-----
 arch/x86/kernel/irqinit_32.c | 2 +-
 arch/x86/kernel/irqinit_64.c | 2 +-
 include/linux/irq.h          | 5 -----
 kernel/irq/chip.c            | 2 +-
 5 files changed, 4 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 683610517d2..e03bc0f87ee 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -1257,11 +1257,7 @@ static void ioapic_register_intr(int irq, unsigned long trigger)
 {
 	struct irq_desc *desc;
 
-	/* first time to use this irq_desc */
-	if (irq < 16)
-		desc = irq_to_desc(irq);
-	else
-		desc = irq_to_desc_alloc(irq);
+	desc = irq_to_desc(irq);
 
 	if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) ||
 	    trigger == IOAPIC_LEVEL)
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index 9092103a18e..a8d35998d30 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -70,7 +70,7 @@ void __init init_ISA_irqs (void)
 	 */
 	for (i = 0; i < 16; i++) {
 		/* first time call this irq_desc */
-		struct irq_desc *desc = irq_to_desc_alloc(i);
+		struct irq_desc *desc = irq_to_desc(i);
 
 		desc->status = IRQ_DISABLED;
 		desc->action = NULL;
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
index d17fbc26d96..ff023539128 100644
--- a/arch/x86/kernel/irqinit_64.c
+++ b/arch/x86/kernel/irqinit_64.c
@@ -144,7 +144,7 @@ void __init init_ISA_irqs(void)
 
 	for (i = 0; i < 16; i++) {
 		/* first time call this irq_desc */
-		struct irq_desc *desc = irq_to_desc_alloc(i);
+		struct irq_desc *desc = irq_to_desc(i);
 
 		desc->status = IRQ_DISABLED;
 		desc->action = NULL;
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 68e0f3f9df3..3f33c779030 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -210,11 +210,6 @@ static inline struct irq_desc *irq_to_desc(unsigned int irq)
 	return (irq < nr_irqs) ? irq_desc + irq : NULL;
 }
 
-static inline struct irq_desc *irq_to_desc_alloc(unsigned int irq)
-{
-	return irq_to_desc(irq);
-}
-
 #ifdef CONFIG_HAVE_DYN_ARRAY
 #define kstat_irqs_this_cpu(DESC) \
 	((DESC)->kstat_irqs[smp_processor_id()])
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 570d1ea1db5..e6f73dbfcc3 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -28,7 +28,7 @@ void dynamic_irq_init(unsigned int irq)
 	unsigned long flags;
 
 	/* first time to use this irq_desc */
-	desc = irq_to_desc_alloc(irq);
+	desc = irq_to_desc(irq);
 	if (!desc) {
 		WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq);
 		return;
-- 
GitLab


From d6c88a507ef0b6afdb013cba4e7804ba7324d99a Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 15 Oct 2008 15:27:23 +0200
Subject: [PATCH 0779/2224] genirq: revert dynarray

Revert the dynarray changes. They need more thought and polishing.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/Kconfig                      |   4 -
 arch/x86/Kconfig                  |   1 -
 arch/x86/kernel/io_apic.c         | 199 +++++++++++-------------------
 arch/x86/kernel/setup_percpu.c    |   8 +-
 arch/x86/kernel/visws_quirks.c    |   2 +-
 arch/x86/kernel/vmlinux_32.lds.S  |   1 -
 arch/x86/kernel/vmlinux_64.lds.S  |   2 -
 arch/x86/xen/spinlock.c           |   2 +-
 drivers/char/random.c             |   5 -
 drivers/pci/intr_remapping.c      |  11 +-
 include/asm-generic/vmlinux.lds.h |  13 --
 include/linux/init.h              |  43 -------
 include/linux/irq.h               |  15 ---
 include/linux/kernel_stat.h       |  16 +--
 init/Makefile                     |   2 +-
 init/dyn_array.c                  | 120 ------------------
 init/main.c                       |  11 +-
 kernel/irq/chip.c                 |  30 +----
 kernel/irq/handle.c               | 114 ++---------------
 19 files changed, 103 insertions(+), 496 deletions(-)
 delete mode 100644 init/dyn_array.c

diff --git a/arch/Kconfig b/arch/Kconfig
index c8a7c2eb649..071004d3a1b 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -102,7 +102,3 @@ config HAVE_CLK
 	help
 	  The <linux/clk.h> calls support software clock gating and
 	  thus are a key power management tool on many systems.
-
-config HAVE_DYN_ARRAY
-	def_bool n
-
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 8636ddf2f4a..8da6123a60d 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -33,7 +33,6 @@ config X86
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_GENERIC_DMA_COHERENT if X86_32
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
-	select HAVE_DYN_ARRAY
 
 config ARCH_DEFCONFIG
 	string
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index e03bc0f87ee..6f80dc2f137 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -107,7 +107,6 @@ static int __init parse_noapic(char *str)
 }
 early_param("noapic", parse_noapic);
 
-struct irq_cfg;
 struct irq_pin_list;
 struct irq_cfg {
 	unsigned int irq;
@@ -120,7 +119,7 @@ struct irq_cfg {
 };
 
 /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
-static struct irq_cfg irq_cfg_legacy[] __initdata = {
+static struct irq_cfg irq_cfgx[NR_IRQS] = {
 	[0]  = { .irq =  0, .domain = CPU_MASK_ALL, .vector = IRQ0_VECTOR,  },
 	[1]  = { .irq =  1, .domain = CPU_MASK_ALL, .vector = IRQ1_VECTOR,  },
 	[2]  = { .irq =  2, .domain = CPU_MASK_ALL, .vector = IRQ2_VECTOR,  },
@@ -139,48 +138,26 @@ static struct irq_cfg irq_cfg_legacy[] __initdata = {
 	[15] = { .irq = 15, .domain = CPU_MASK_ALL, .vector = IRQ15_VECTOR, },
 };
 
-static struct irq_cfg irq_cfg_init = { .irq =  -1U, };
-
-static void init_one_irq_cfg(struct irq_cfg *cfg)
-{
-	memcpy(cfg, &irq_cfg_init, sizeof(struct irq_cfg));
-}
-
-static struct irq_cfg *irq_cfgx;
-
-static void __init init_work(void *data)
-{
-	struct dyn_array *da = data;
-	struct irq_cfg *cfg;
-	int legacy_count;
-	int i;
-
-	cfg = *da->name;
-
-	memcpy(cfg, irq_cfg_legacy, sizeof(irq_cfg_legacy));
-
-	legacy_count = ARRAY_SIZE(irq_cfg_legacy);
-	for (i = legacy_count; i < *da->nr; i++)
-		init_one_irq_cfg(&cfg[i]);
-}
-
 #define for_each_irq_cfg(irq, cfg)		\
-	for (irq = 0, cfg = &irq_cfgx[irq]; irq < nr_irqs; irq++, cfg = &irq_cfgx[irq])
+	for (irq = 0, cfg = irq_cfgx; irq < nr_irqs; irq++, cfg++)
 
-DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irqs, PAGE_SIZE, init_work);
-
-struct irq_cfg *irq_cfg(unsigned int irq)
+static struct irq_cfg *irq_cfg(unsigned int irq)
 {
-	if (irq < nr_irqs)
-		return &irq_cfgx[irq];
-
-	return NULL;
+	return irq < nr_irqs ? irq_cfgx + irq : NULL;
 }
-struct irq_cfg *irq_cfg_alloc(unsigned int irq)
+
+static struct irq_cfg *irq_cfg_alloc(unsigned int irq)
 {
 	return irq_cfg(irq);
 }
 
+/*
+ * Rough estimation of how many shared IRQs there are, can be changed
+ * anytime.
+ */
+#define MAX_PLUS_SHARED_IRQS NR_IRQS
+#define PIN_MAP_SIZE (MAX_PLUS_SHARED_IRQS + NR_IRQS)
+
 /*
  * This is performance-critical, we want to do it O(1)
  *
@@ -193,59 +170,29 @@ struct irq_pin_list {
 	struct irq_pin_list *next;
 };
 
-static struct irq_pin_list *irq_2_pin_head;
-/* fill one page ? */
-static int nr_irq_2_pin = 0x100;
+static struct irq_pin_list irq_2_pin_head[PIN_MAP_SIZE];
 static struct irq_pin_list *irq_2_pin_ptr;
-static void __init irq_2_pin_init_work(void *data)
+
+static void __init irq_2_pin_init(void)
 {
-	struct dyn_array *da = data;
-	struct irq_pin_list *pin;
+	struct irq_pin_list *pin = irq_2_pin_head;
 	int i;
 
-	pin = *da->name;
-
-	for (i = 1; i < *da->nr; i++)
+	for (i = 1; i < PIN_MAP_SIZE; i++)
 		pin[i-1].next = &pin[i];
 
 	irq_2_pin_ptr = &pin[0];
 }
-DEFINE_DYN_ARRAY(irq_2_pin_head, sizeof(struct irq_pin_list), nr_irq_2_pin, PAGE_SIZE, irq_2_pin_init_work);
 
 static struct irq_pin_list *get_one_free_irq_2_pin(void)
 {
-	struct irq_pin_list *pin;
-	int i;
-
-	pin = irq_2_pin_ptr;
-
-	if (pin) {
-		irq_2_pin_ptr = pin->next;
-		pin->next = NULL;
-		return pin;
-	}
-
-	/*
-	 *  we run out of pre-allocate ones, allocate more
-	 */
-	printk(KERN_DEBUG "try to get more irq_2_pin %d\n", nr_irq_2_pin);
-
-	if (after_bootmem)
-		pin = kzalloc(sizeof(struct irq_pin_list)*nr_irq_2_pin,
-				 GFP_ATOMIC);
-	else
-		pin = __alloc_bootmem_nopanic(sizeof(struct irq_pin_list) *
-				nr_irq_2_pin, PAGE_SIZE, 0);
+	struct irq_pin_list *pin = irq_2_pin_ptr;
 
 	if (!pin)
 		panic("can not get more irq_2_pin\n");
 
-	for (i = 1; i < nr_irq_2_pin; i++)
-		pin[i-1].next = &pin[i];
-
 	irq_2_pin_ptr = pin->next;
 	pin->next = NULL;
-
 	return pin;
 }
 
@@ -284,8 +231,9 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i
 static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
 {
 	struct io_apic __iomem *io_apic = io_apic_base(apic);
-        if (sis_apic_bug)
-                writel(reg, &io_apic->index);
+
+	if (sis_apic_bug)
+		writel(reg, &io_apic->index);
 	writel(value, &io_apic->data);
 }
 
@@ -1044,11 +992,11 @@ static int pin_2_irq(int idx, int apic, int pin)
 		while (i < apic)
 			irq += nr_ioapic_registers[i++];
 		irq += pin;
-                /*
+		/*
                  * For MPS mode, so far only needed by ES7000 platform
                  */
-                if (ioapic_renumber_irq)
-                        irq = ioapic_renumber_irq(apic, irq);
+		if (ioapic_renumber_irq)
+			irq = ioapic_renumber_irq(apic, irq);
 	}
 
 #ifdef CONFIG_X86_32
@@ -1232,19 +1180,19 @@ static struct irq_chip ir_ioapic_chip;
 #ifdef CONFIG_X86_32
 static inline int IO_APIC_irq_trigger(int irq)
 {
-        int apic, idx, pin;
+	int apic, idx, pin;
 
-        for (apic = 0; apic < nr_ioapics; apic++) {
-                for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
-                        idx = find_irq_entry(apic, pin, mp_INT);
-                        if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
-                                return irq_trigger(idx);
-                }
-        }
-        /*
+	for (apic = 0; apic < nr_ioapics; apic++) {
+		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
+			idx = find_irq_entry(apic, pin, mp_INT);
+			if ((idx != -1) && (irq == pin_2_irq(idx, apic, pin)))
+				return irq_trigger(idx);
+		}
+	}
+	/*
          * nonexistent IRQs are edge default
          */
-        return 0;
+	return 0;
 }
 #else
 static inline int IO_APIC_irq_trigger(int irq)
@@ -1509,8 +1457,8 @@ __apicdebuginit(void) print_IO_APIC(void)
 	reg_01.raw = io_apic_read(apic, 1);
 	if (reg_01.bits.version >= 0x10)
 		reg_02.raw = io_apic_read(apic, 2);
-        if (reg_01.bits.version >= 0x20)
-                reg_03.raw = io_apic_read(apic, 3);
+	if (reg_01.bits.version >= 0x20)
+		reg_03.raw = io_apic_read(apic, 3);
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	printk("\n");
@@ -2089,9 +2037,9 @@ static int ioapic_retrigger_irq(unsigned int irq)
 #else
 static int ioapic_retrigger_irq(unsigned int irq)
 {
-        send_IPI_self(irq_cfg(irq)->vector);
+	send_IPI_self(irq_cfg(irq)->vector);
 
-        return 1;
+	return 1;
 }
 #endif
 
@@ -2189,7 +2137,7 @@ static int migrate_irq_remapped_level(int irq)
 
 	if (io_apic_level_ack_pending(irq)) {
 		/*
-	 	 * Interrupt in progress. Migrating irq now will change the
+		 * Interrupt in progress. Migrating irq now will change the
 		 * vector information in the IO-APIC RTE and that will confuse
 		 * the EOI broadcast performed by cpu.
 		 * So, delay the irq migration to the next instance.
@@ -2426,28 +2374,28 @@ static void ack_apic_level(unsigned int irq)
 }
 
 static struct irq_chip ioapic_chip __read_mostly = {
-	.name 		= "IO-APIC",
-	.startup 	= startup_ioapic_irq,
-	.mask	 	= mask_IO_APIC_irq,
-	.unmask	 	= unmask_IO_APIC_irq,
-	.ack 		= ack_apic_edge,
-	.eoi 		= ack_apic_level,
+	.name		= "IO-APIC",
+	.startup	= startup_ioapic_irq,
+	.mask		= mask_IO_APIC_irq,
+	.unmask		= unmask_IO_APIC_irq,
+	.ack		= ack_apic_edge,
+	.eoi		= ack_apic_level,
 #ifdef CONFIG_SMP
-	.set_affinity 	= set_ioapic_affinity_irq,
+	.set_affinity	= set_ioapic_affinity_irq,
 #endif
 	.retrigger	= ioapic_retrigger_irq,
 };
 
 #ifdef CONFIG_INTR_REMAP
 static struct irq_chip ir_ioapic_chip __read_mostly = {
-	.name 		= "IR-IO-APIC",
-	.startup 	= startup_ioapic_irq,
-	.mask	 	= mask_IO_APIC_irq,
-	.unmask	 	= unmask_IO_APIC_irq,
-	.ack 		= ack_x2apic_edge,
-	.eoi 		= ack_x2apic_level,
+	.name		= "IR-IO-APIC",
+	.startup	= startup_ioapic_irq,
+	.mask		= mask_IO_APIC_irq,
+	.unmask		= unmask_IO_APIC_irq,
+	.ack		= ack_x2apic_edge,
+	.eoi		= ack_x2apic_level,
 #ifdef CONFIG_SMP
-	.set_affinity 	= set_ir_ioapic_affinity_irq,
+	.set_affinity	= set_ir_ioapic_affinity_irq,
 #endif
 	.retrigger	= ioapic_retrigger_irq,
 };
@@ -2636,8 +2584,8 @@ static inline void __init check_timer(void)
 
 	local_irq_save(flags);
 
-        ver = apic_read(APIC_LVR);
-        ver = GET_APIC_VERSION(ver);
+	ver = apic_read(APIC_LVR);
+	ver = GET_APIC_VERSION(ver);
 
 	/*
 	 * get/set the timer IRQ vector:
@@ -2822,12 +2770,12 @@ void __init setup_IO_APIC(void)
 	io_apic_irqs = ~PIC_IRQS;
 
 	apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
-        /*
+	/*
          * Set up IO-APIC IRQ routing.
          */
 #ifdef CONFIG_X86_32
-        if (!acpi_ioapic)
-                setup_ioapic_ids_from_mpc();
+	if (!acpi_ioapic)
+		setup_ioapic_ids_from_mpc();
 #endif
 	sync_Arb_IDs();
 	setup_IO_APIC_irqs();
@@ -2842,9 +2790,9 @@ void __init setup_IO_APIC(void)
 
 static int __init io_apic_bug_finalize(void)
 {
-        if (sis_apic_bug == -1)
-                sis_apic_bug = 0;
-        return 0;
+	if (sis_apic_bug == -1)
+		sis_apic_bug = 0;
+	return 0;
 }
 
 late_initcall(io_apic_bug_finalize);
@@ -3199,7 +3147,7 @@ static int msi_alloc_irte(struct pci_dev *dev, int irq, int nvec)
 	if (index < 0) {
 		printk(KERN_ERR
 		       "Unable to allocate %d IRTE for PCI %s\n", nvec,
-		        pci_name(dev));
+		       pci_name(dev));
 		return -ENOSPC;
 	}
 	return index;
@@ -3885,23 +3833,24 @@ static struct resource * __init ioapic_setup_resources(void)
 void __init ioapic_init_mappings(void)
 {
 	unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
-	int i;
 	struct resource *ioapic_res;
+	int i;
 
+	irq_2_pin_init();
 	ioapic_res = ioapic_setup_resources();
 	for (i = 0; i < nr_ioapics; i++) {
 		if (smp_found_config) {
 			ioapic_phys = mp_ioapics[i].mp_apicaddr;
 #ifdef CONFIG_X86_32
-                        if (!ioapic_phys) {
-                                printk(KERN_ERR
-                                       "WARNING: bogus zero IO-APIC "
-                                       "address found in MPTABLE, "
-                                       "disabling IO/APIC support!\n");
-                                smp_found_config = 0;
-                                skip_ioapic_setup = 1;
-                                goto fake_ioapic_page;
-                        }
+			if (!ioapic_phys) {
+				printk(KERN_ERR
+				       "WARNING: bogus zero IO-APIC "
+				       "address found in MPTABLE, "
+				       "disabling IO/APIC support!\n");
+				smp_found_config = 0;
+				skip_ioapic_setup = 1;
+				goto fake_ioapic_page;
+			}
 #endif
 		} else {
 #ifdef CONFIG_X86_32
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 2b7dab699e8..410c88f0bfe 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -140,7 +140,7 @@ static void __init setup_cpu_pda_map(void)
  */
 void __init setup_per_cpu_areas(void)
 {
-	ssize_t size, old_size, da_size;
+	ssize_t size, old_size;
 	char *ptr;
 	int cpu;
 	unsigned long align = 1;
@@ -150,9 +150,8 @@ void __init setup_per_cpu_areas(void)
 
 	/* Copy section for each CPU (we discard the original) */
 	old_size = PERCPU_ENOUGH_ROOM;
-	da_size = per_cpu_dyn_array_size(&align);
 	align = max_t(unsigned long, PAGE_SIZE, align);
-	size = roundup(old_size + da_size, align);
+	size = roundup(old_size, align);
 	printk(KERN_INFO "PERCPU: Allocating %zd bytes of per cpu data\n",
 			  size);
 
@@ -182,9 +181,6 @@ void __init setup_per_cpu_areas(void)
 #endif
 		per_cpu_offset(cpu) = ptr - __per_cpu_start;
 		memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
-
-		per_cpu_alloc_dyn_array(cpu, ptr + old_size);
-
 	}
 
 	printk(KERN_DEBUG "NR_CPUS: %d, nr_cpu_ids: %d, nr_node_ids %d\n",
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 817aa55a120..0c9667f0752 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -633,7 +633,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id)
 	/*
 	 * handle this 'virtual interrupt' as a Cobalt one now.
 	 */
-	kstat_irqs_this_cpu(desc)++;
+	kstat_incr_irqs_this_cpu(realirq, desc);
 
 	if (likely(desc->action != NULL))
 		handle_IRQ_event(realirq, desc->action);
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index c36007ab394..a9b8560adbc 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -145,7 +145,6 @@ SECTIONS
 	*(.x86_cpu_dev.init)
 	__x86_cpu_dev_end = .;
   }
-  DYN_ARRAY_INIT(8)
   SECURITY_INIT
   . = ALIGN(4);
   .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index 30973dbac8c..3245ad72594 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -174,8 +174,6 @@ SECTIONS
   }
   __x86_cpu_dev_end = .;
 
-  DYN_ARRAY_INIT(8)
-
   SECURITY_INIT
 
   . = ALIGN(8);
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index bb6bc721b13..5601506f2dd 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -241,7 +241,7 @@ static noinline int xen_spin_lock_slow(struct raw_spinlock *lock, bool irq_enabl
 		ADD_STATS(taken_slow_spurious, !xen_test_irq_pending(irq));
 	} while (!xen_test_irq_pending(irq)); /* check for spurious wakeups */
 
-	kstat_irqs_this_cpu(irq_to_desc(irq))++;
+	kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));
 
 out:
 	raw_local_irq_restore(flags);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 9ce80213007..1137d297604 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -558,12 +558,7 @@ struct timer_rand_state {
 	unsigned dont_count_entropy:1;
 };
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-static struct timer_rand_state **irq_timer_state;
-DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL);
-#else
 static struct timer_rand_state *irq_timer_state[NR_IRQS];
-#endif
 
 static struct timer_rand_state *get_timer_rand_state(unsigned int irq)
 {
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 0f43b265eee..950769e8747 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -19,20 +19,13 @@ struct irq_2_iommu {
 	u8  irte_mask;
 };
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-static struct irq_2_iommu *irq_2_iommuX;
-DEFINE_DYN_ARRAY(irq_2_iommuX, sizeof(struct irq_2_iommu), nr_irqs, PAGE_SIZE, NULL);
-#else
 static struct irq_2_iommu irq_2_iommuX[NR_IRQS];
-#endif
 
 static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
 {
-	if (irq < nr_irqs)
-		return &irq_2_iommuX[irq];
-
-	return NULL;
+	return (irq < nr_irqs) ?: irq_2_iommuX + irq : NULL;
 }
+
 static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
 {
 	return irq_2_iommu(irq);
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index c68eda9d9a9..7440a0dcedd 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -210,19 +210,6 @@
  * All archs are supposed to use RO_DATA() */
 #define RODATA RO_DATA(4096)
 
-#define DYN_ARRAY_INIT(align)							\
-	. = ALIGN((align));						\
-	.dyn_array.init : AT(ADDR(.dyn_array.init) - LOAD_OFFSET) {	\
-		VMLINUX_SYMBOL(__dyn_array_start) = .;			\
-		*(.dyn_array.init)					\
-		VMLINUX_SYMBOL(__dyn_array_end) = .;			\
-	}								\
-	. = ALIGN((align));						\
-	.per_cpu_dyn_array.init : AT(ADDR(.per_cpu_dyn_array.init) - LOAD_OFFSET) {	\
-		VMLINUX_SYMBOL(__per_cpu_dyn_array_start) = .;		\
-		*(.per_cpu_dyn_array.init)				\
-		VMLINUX_SYMBOL(__per_cpu_dyn_array_end) = .;		\
-	}
 #define SECURITY_INIT							\
 	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
 		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
diff --git a/include/linux/init.h b/include/linux/init.h
index 59fbb4aaba6..70ad53e1eab 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -247,49 +247,6 @@ struct obs_kernel_param {
 /* Relies on boot_command_line being set */
 void __init parse_early_param(void);
 
-struct dyn_array {
-	void **name;
-	unsigned long size;
-	unsigned int *nr;
-	unsigned long align;
-	void (*init_work)(void *);
-};
-extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[];
-extern struct dyn_array *__per_cpu_dyn_array_start[], *__per_cpu_dyn_array_end[];
-
-#define DEFINE_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \
-		static struct dyn_array __dyn_array_##nameX __initdata = \
-		{	.name = (void **)&(nameX),\
-			.size = sizeX,\
-			.nr   = &(nrX),\
-			.align = alignX,\
-			.init_work = init_workX,\
-		}; \
-		static struct dyn_array *__dyn_array_ptr_##nameX __used \
-		__attribute__((__section__(".dyn_array.init"))) = \
-			&__dyn_array_##nameX
-
-#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
-	DEFINE_DYN_ARRAY_ADDR(nameX, nameX, sizeX, nrX, alignX, init_workX)
-
-#define DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \
-		static struct dyn_array __per_cpu_dyn_array_##nameX __initdata = \
-		{	.name = (void **)&(addrX),\
-			.size = sizeX,\
-			.nr   = &(nrX),\
-			.align = alignX,\
-			.init_work = init_workX,\
-		}; \
-		static struct dyn_array *__per_cpu_dyn_array_ptr_##nameX __used \
-		__attribute__((__section__(".per_cpu_dyn_array.init"))) = \
-			&__per_cpu_dyn_array_##nameX
-
-#define DEFINE_PER_CPU_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
-	DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, nameX, nrX, alignX, init_workX)
-
-extern void pre_alloc_dyn_array(void);
-extern unsigned long per_cpu_dyn_array_size(unsigned long *align);
-extern void per_cpu_alloc_dyn_array(int cpu, char *ptr);
 #endif /* __ASSEMBLY__ */
 
 /**
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 3f33c779030..38bf89f2ade 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -139,8 +139,6 @@ struct irq_chip {
 	const char	*typename;
 };
 
-struct timer_rand_state;
-struct irq_2_iommu;
 /**
  * struct irq_desc - interrupt descriptor
  *
@@ -167,9 +165,6 @@ struct irq_2_iommu;
  */
 struct irq_desc {
 	unsigned int		irq;
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned int            *kstat_irqs;
-#endif
 	irq_flow_handler_t	handle_irq;
 	struct irq_chip		*chip;
 	struct msi_desc		*msi_desc;
@@ -198,23 +193,13 @@ struct irq_desc {
 } ____cacheline_internodealigned_in_smp;
 
 
-#ifndef CONFIG_HAVE_DYN_ARRAY
-/* could be removed if we get rid of all irq_desc reference */
 extern struct irq_desc irq_desc[NR_IRQS];
-#else
-extern struct irq_desc *irq_desc;
-#endif
 
 static inline struct irq_desc *irq_to_desc(unsigned int irq)
 {
 	return (irq < nr_irqs) ? irq_desc + irq : NULL;
 }
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-#define kstat_irqs_this_cpu(DESC) \
-	((DESC)->kstat_irqs[smp_processor_id()])
-#endif
-
 /*
  * Migration helpers for obsolete names, they will go away:
  */
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 21249d8c129..a9d0d360b77 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,9 +28,7 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
 	struct cpu_usage_stat	cpustat;
-#ifndef CONFIG_HAVE_DYN_ARRAY
        unsigned int irqs[NR_IRQS];
-#endif
 };
 
 DECLARE_PER_CPU(struct kernel_stat, kstat);
@@ -41,20 +39,18 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
 
 extern unsigned long long nr_context_switches(void);
 
-#ifndef CONFIG_HAVE_DYN_ARRAY
-#define kstat_irqs_this_cpu(irq) \
-	(kstat_this_cpu.irqs[irq])
-#endif
+struct irq_desc;
 
+static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
+					    struct irq_desc *desc)
+{
+	kstat_this_cpu.irqs[irq]++;
+}
 
-#ifndef CONFIG_HAVE_DYN_ARRAY
 static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 {
        return kstat_cpu(cpu).irqs[irq];
 }
-#else
-extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
-#endif
 
 /*
  * Number of interrupts per specific IRQ source, since bootup
diff --git a/init/Makefile b/init/Makefile
index dc5eeca6eb6..4a243df426f 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux kernel.
 #
 
-obj-y                          := main.o dyn_array.o version.o mounts.o
+obj-y                          := main.o version.o mounts.o
 ifneq ($(CONFIG_BLK_DEV_INITRD),y)
 obj-y                          += noinitramfs.o
 else
diff --git a/init/dyn_array.c b/init/dyn_array.c
deleted file mode 100644
index c8d5e2a1858..00000000000
--- a/init/dyn_array.c
+++ /dev/null
@@ -1,120 +0,0 @@
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/kallsyms.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-
-void __init pre_alloc_dyn_array(void)
-{
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned long total_size = 0, size, phys;
-	unsigned long max_align = 1;
-	struct dyn_array **daa;
-	char *ptr;
-
-	/* get the total size at first */
-	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		printk(KERN_DEBUG "dyn_array %pF size:%#lx nr:%d align:%#lx\n",
-			da->name, da->size, *da->nr, da->align);
-		size = da->size * (*da->nr);
-		total_size += roundup(size, da->align);
-		if (da->align > max_align)
-			max_align = da->align;
-	}
-	if (total_size)
-		printk(KERN_DEBUG "dyn_array total_size: %#lx\n",
-			 total_size);
-	else
-		return;
-
-	/* allocate them all together */
-	max_align = max_t(unsigned long, max_align, PAGE_SIZE);
-	ptr = __alloc_bootmem(total_size, max_align, 0);
-	phys = virt_to_phys(ptr);
-
-	for (daa = __dyn_array_start ; daa < __dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		size = da->size * (*da->nr);
-		phys = roundup(phys, da->align);
-		printk(KERN_DEBUG "dyn_array %pF ==> [%#lx - %#lx]\n",
-			da->name, phys, phys + size);
-		*da->name = phys_to_virt(phys);
-
-		phys += size;
-
-		if (da->init_work)
-			da->init_work(da);
-	}
-#else
-#ifdef CONFIG_GENERIC_HARDIRQS
-	unsigned int i;
-
-	for (i = 0; i < NR_IRQS; i++)
-		irq_desc[i].irq = i;
-#endif
-#endif
-}
-
-unsigned long __init per_cpu_dyn_array_size(unsigned long *align)
-{
-	unsigned long total_size = 0;
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned long size;
-	struct dyn_array **daa;
-	unsigned max_align = 1;
-
-	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		printk(KERN_DEBUG "per_cpu_dyn_array %pF size:%#lx nr:%d align:%#lx\n",
-			da->name, da->size, *da->nr, da->align);
-		size = da->size * (*da->nr);
-		total_size += roundup(size, da->align);
-		if (da->align > max_align)
-			max_align = da->align;
-	}
-	if (total_size) {
-		printk(KERN_DEBUG "per_cpu_dyn_array total_size: %#lx\n",
-			 total_size);
-		*align = max_align;
-	}
-#endif
-	return total_size;
-}
-
-#ifdef CONFIG_SMP
-void __init per_cpu_alloc_dyn_array(int cpu, char *ptr)
-{
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	unsigned long size, phys;
-	struct dyn_array **daa;
-	unsigned long addr;
-	void **array;
-
-	phys = virt_to_phys(ptr);
-	for (daa = __per_cpu_dyn_array_start ; daa < __per_cpu_dyn_array_end; daa++) {
-		struct dyn_array *da = *daa;
-
-		size = da->size * (*da->nr);
-		phys = roundup(phys, da->align);
-		printk(KERN_DEBUG "per_cpu_dyn_array %pF ==> [%#lx - %#lx]\n",
-			da->name, phys, phys + size);
-
-		addr = (unsigned long)da->name;
-		addr += per_cpu_offset(cpu);
-		array = (void **)addr;
-		*array = phys_to_virt(phys);
-		*da->name = *array; /* so init_work could use it directly */
-
-		phys += size;
-
-		if (da->init_work)
-			da->init_work(da);
-	}
-#endif
-}
-#endif
diff --git a/init/main.c b/init/main.c
index e81cf427d9c..27f6bf6108e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -391,23 +391,17 @@ EXPORT_SYMBOL(__per_cpu_offset);
 
 static void __init setup_per_cpu_areas(void)
 {
-	unsigned long size, i, old_size;
+	unsigned long size, i;
 	char *ptr;
 	unsigned long nr_possible_cpus = num_possible_cpus();
-	unsigned long align = 1;
-	unsigned da_size;
 
 	/* Copy section for each CPU (we discard the original) */
-	old_size = PERCPU_ENOUGH_ROOM;
-	da_size = per_cpu_dyn_array_size(&align);
-	align = max_t(unsigned long, PAGE_SIZE, align);
-	size = ALIGN(old_size + da_size, align);
+	size = ALIGN(PERCPU_ENOUGH_ROOM, PAGE_SIZE);
 	ptr = alloc_bootmem_pages(size * nr_possible_cpus);
 
 	for_each_possible_cpu(i) {
 		__per_cpu_offset[i] = ptr - __per_cpu_start;
 		memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
-		per_cpu_alloc_dyn_array(i, ptr + old_size);
 		ptr += size;
 	}
 }
@@ -573,7 +567,6 @@ asmlinkage void __init start_kernel(void)
 	printk(KERN_NOTICE);
 	printk(linux_banner);
 	setup_arch(&command_line);
-	pre_alloc_dyn_array();
 	mm_init_owner(&init_mm, &init_task);
 	setup_command_line(command_line);
 	unwind_setup();
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index e6f73dbfcc3..d96d6f687c4 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -326,11 +326,7 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto out_unlock;
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	kstat_irqs_this_cpu(desc)++;
-#else
-	kstat_irqs_this_cpu(irq)++;
-#endif
+	kstat_incr_irqs_this_cpu(irq, desc);
 
 	action = desc->action;
 	if (unlikely(!action || (desc->status & IRQ_DISABLED)))
@@ -371,11 +367,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto out_unlock;
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	kstat_irqs_this_cpu(desc)++;
-#else
-	kstat_irqs_this_cpu(irq)++;
-#endif
+	kstat_incr_irqs_this_cpu(irq, desc);
 
 	/*
 	 * If its disabled or no action available
@@ -422,11 +414,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 		goto out;
 
 	desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	kstat_irqs_this_cpu(desc)++;
-#else
-	kstat_irqs_this_cpu(irq)++;
-#endif
+	kstat_incr_irqs_this_cpu(irq, desc);
 
 	/*
 	 * If its disabled or no action available
@@ -490,11 +478,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 		mask_ack_irq(desc, irq);
 		goto out_unlock;
 	}
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	kstat_irqs_this_cpu(desc)++;
-#else
-	kstat_irqs_this_cpu(irq)++;
-#endif
+	kstat_incr_irqs_this_cpu(irq, desc);
 
 	/* Start handling the irq */
 	desc->chip->ack(irq);
@@ -549,11 +533,7 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
 {
 	irqreturn_t action_ret;
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	kstat_irqs_this_cpu(desc)++;
-#else
-	kstat_irqs_this_cpu(irq)++;
-#endif
+	kstat_incr_irqs_this_cpu(irq, desc);
 
 	if (desc->chip->ack)
 		desc->chip->ack(irq);
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index f837133cdfb..9fe86b3a60a 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -18,11 +18,6 @@
 
 #include "internals.h"
 
-/*
- * lockdep: we want to handle all irq_desc locks as a single lock-class:
- */
-static struct lock_class_key irq_desc_lock_class;
-
 /**
  * handle_bad_irq - handle spurious and unhandled irqs
  * @irq:       the interrupt number
@@ -30,15 +25,10 @@ static struct lock_class_key irq_desc_lock_class;
  *
  * Handles spurious and unhandled IRQ's. It also prints a debugmessage.
  */
-void
-handle_bad_irq(unsigned int irq, struct irq_desc *desc)
+void handle_bad_irq(unsigned int irq, struct irq_desc *desc)
 {
 	print_irq_desc(irq, desc);
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	kstat_irqs_this_cpu(desc)++;
-#else
-	kstat_irqs_this_cpu(irq)++;
-#endif
+	kstat_incr_irqs_this_cpu(irq, desc);
 	ack_bad_irq(irq);
 }
 
@@ -59,80 +49,6 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc)
 int nr_irqs = NR_IRQS;
 EXPORT_SYMBOL_GPL(nr_irqs);
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-static struct irq_desc irq_desc_init = {
-	.irq = -1U,
-	.status = IRQ_DISABLED,
-	.chip = &no_irq_chip,
-	.handle_irq = handle_bad_irq,
-	.depth = 1,
-	.lock = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
-#ifdef CONFIG_SMP
-	.affinity = CPU_MASK_ALL
-#endif
-};
-
-
-static void init_one_irq_desc(struct irq_desc *desc)
-{
-	memcpy(desc, &irq_desc_init, sizeof(struct irq_desc));
-	lockdep_set_class(&desc->lock, &irq_desc_lock_class);
-}
-
-extern int after_bootmem;
-extern void *__alloc_bootmem_nopanic(unsigned long size,
-			     unsigned long align,
-			     unsigned long goal);
-
-static void init_kstat_irqs(struct irq_desc *desc, int nr_desc, int nr)
-{
-	unsigned long bytes, total_bytes;
-	char *ptr;
-	int i;
-	unsigned long phys;
-
-	/* Compute how many bytes we need per irq and allocate them */
-	bytes = nr * sizeof(unsigned int);
-	total_bytes = bytes * nr_desc;
-	if (after_bootmem)
-		ptr = kzalloc(total_bytes, GFP_ATOMIC);
-	else
-		ptr = __alloc_bootmem_nopanic(total_bytes, PAGE_SIZE, 0);
-
-	if (!ptr)
-		panic(" can not allocate kstat_irqs\n");
-
-	phys = __pa(ptr);
-	printk(KERN_DEBUG "kstat_irqs ==> [%#lx - %#lx]\n", phys, phys + total_bytes);
-
-	for (i = 0; i < nr_desc; i++) {
-		desc[i].kstat_irqs = (unsigned int *)ptr;
-		ptr += bytes;
-	}
-}
-
-static void __init init_work(void *data)
-{
-	struct dyn_array *da = data;
-	int i;
-	struct  irq_desc *desc;
-
-	desc = *da->name;
-
-	for (i = 0; i < *da->nr; i++) {
-		init_one_irq_desc(&desc[i]);
-		desc[i].irq = i;
-	}
-
-	/* init kstat_irqs, nr_cpu_ids is ready already */
-	init_kstat_irqs(desc, *da->nr, nr_cpu_ids);
-}
-
-struct irq_desc *irq_desc;
-DEFINE_DYN_ARRAY(irq_desc, sizeof(struct irq_desc), nr_irqs, PAGE_SIZE, init_work);
-
-#else
-
 struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 	[0 ... NR_IRQS-1] = {
 		.status = IRQ_DISABLED,
@@ -146,8 +62,6 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
 	}
 };
 
-#endif
-
 /*
  * What should we do if we get a hw irq event on an illegal vector?
  * Each architecture has to answer this themself.
@@ -258,11 +172,8 @@ unsigned int __do_IRQ(unsigned int irq)
 	struct irqaction *action;
 	unsigned int status;
 
-#ifdef CONFIG_HAVE_DYN_ARRAY
-	kstat_irqs_this_cpu(desc)++;
-#else
-	kstat_irqs_this_cpu(irq)++;
-#endif
+	kstat_incr_irqs_this_cpu(irq, desc);
+
 	if (CHECK_IRQ_PER_CPU(desc->status)) {
 		irqreturn_t action_ret;
 
@@ -351,23 +262,16 @@ out:
 
 
 #ifdef CONFIG_TRACE_IRQFLAGS
+/*
+ * lockdep: we want to handle all irq_desc locks as a single lock-class:
+ */
+static struct lock_class_key irq_desc_lock_class;
+
 void early_init_irq_lock_class(void)
 {
-#ifndef CONFIG_HAVE_DYN_ARRAY
 	int i;
 
 	for (i = 0; i < nr_irqs; i++)
 		lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class);
-#endif
 }
 #endif
-
-#ifdef CONFIG_HAVE_DYN_ARRAY
-unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
-{
-	struct irq_desc *desc = irq_to_desc(irq);
-	return desc->kstat_irqs[cpu];
-}
-#endif
-EXPORT_SYMBOL(kstat_irqs_cpu);
-
-- 
GitLab


From a1aca5de08a0cb840a90fb3f729a5940f8d21185 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 15 Oct 2008 19:29:15 +0200
Subject: [PATCH 0780/2224] genirq: remove artifacts from sparseirq removal

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/Kconfig                     | 1 +
 arch/x86/kernel/acpi/boot.c      | 1 -
 arch/x86/kernel/irqinit_32.c     | 1 -
 arch/x86/kernel/vmlinux_64.lds.S | 1 -
 arch/x86/mm/init_32.c            | 3 ---
 include/linux/init.h             | 1 -
 include/linux/kernel_stat.h      | 2 +-
 7 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index 071004d3a1b..0267babe5eb 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -102,3 +102,4 @@ config HAVE_CLK
 	help
 	  The <linux/clk.h> calls support software clock gating and
 	  thus are a key power management tool on many systems.
+
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 5fef4fece4a..0d1c26a583c 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1254,7 +1254,6 @@ static int __init acpi_parse_madt_ioapic_entries(void)
 		return count;
 	}
 
-
 	count =
 	    acpi_table_parse_madt(ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr,
 				  nr_irqs);
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index a8d35998d30..845aa9803e8 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -184,4 +184,3 @@ void __init native_init_IRQ(void)
 
 	irq_ctx_init(smp_processor_id());
 }
-
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index 3245ad72594..46e05447405 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -173,7 +173,6 @@ SECTIONS
 	*(.x86_cpu_dev.init)
   }
   __x86_cpu_dev_end = .;
-
   SECURITY_INIT
 
   . = ALIGN(8);
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 91343c2694b..8396868e82c 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -66,7 +66,6 @@ static unsigned long __meminitdata table_end;
 static unsigned long __meminitdata table_top;
 
 static int __initdata after_init_bootmem;
-int after_bootmem;
 
 static __init void *alloc_low_page(unsigned long *phys)
 {
@@ -989,8 +988,6 @@ void __init mem_init(void)
 
 	set_highmem_pages_init();
 
-	after_bootmem = 1;
-
 	codesize =  (unsigned long) &_etext - (unsigned long) &_text;
 	datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
 	initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
diff --git a/include/linux/init.h b/include/linux/init.h
index 70ad53e1eab..93538b696e3 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -246,7 +246,6 @@ struct obs_kernel_param {
 
 /* Relies on boot_command_line being set */
 void __init parse_early_param(void);
-
 #endif /* __ASSEMBLY__ */
 
 /**
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index a9d0d360b77..89b6ecd4147 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,7 +28,7 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
 	struct cpu_usage_stat	cpustat;
-       unsigned int irqs[NR_IRQS];
+	unsigned int irqs[NR_IRQS];
 };
 
 DECLARE_PER_CPU(struct kernel_stat, kstat);
-- 
GitLab


From d3c60047bdb03199b93497ac40bd531315d43a86 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 09:55:00 +0200
Subject: [PATCH 0781/2224] genirq: cleanup the sparseirq modifications

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/irq/chip.c     | 43 +++++++++++++------------------------------
 kernel/irq/handle.c   |  3 +--
 kernel/irq/manage.c   | 38 +++++++++++++++++++++++---------------
 kernel/irq/proc.c     |  1 +
 kernel/irq/spurious.c | 18 ++++++++++--------
 5 files changed, 48 insertions(+), 55 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index d96d6f687c4..4895fde4eb9 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -24,11 +24,9 @@
  */
 void dynamic_irq_init(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	/* first time to use this irq_desc */
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		WARN(1, KERN_ERR "Trying to initialize invalid IRQ%d\n", irq);
 		return;
@@ -58,10 +56,9 @@ void dynamic_irq_init(unsigned int irq)
  */
 void dynamic_irq_cleanup(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		WARN(1, KERN_ERR "Trying to cleanup invalid IRQ%d\n", irq);
 		return;
@@ -90,10 +87,9 @@ void dynamic_irq_cleanup(unsigned int irq)
  */
 int set_irq_chip(unsigned int irq, struct irq_chip *chip)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		WARN(1, KERN_ERR "Trying to install chip for IRQ%d\n", irq);
 		return -EINVAL;
@@ -118,11 +114,10 @@ EXPORT_SYMBOL(set_irq_chip);
  */
 int set_irq_type(unsigned int irq, unsigned int type)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 	int ret = -ENXIO;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR "Trying to set irq type for IRQ%d\n", irq);
 		return -ENODEV;
@@ -147,10 +142,9 @@ EXPORT_SYMBOL(set_irq_type);
  */
 int set_irq_data(unsigned int irq, void *data)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install controller data for IRQ%d\n", irq);
@@ -173,10 +167,9 @@ EXPORT_SYMBOL(set_irq_data);
  */
 int set_irq_msi(unsigned int irq, struct msi_desc *entry)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install msi data for IRQ%d\n", irq);
@@ -200,10 +193,9 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
  */
 int set_irq_chip_data(unsigned int irq, void *data)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install chip data for IRQ%d\n", irq);
@@ -228,9 +220,8 @@ EXPORT_SYMBOL(set_irq_chip_data);
  */
 static void default_enable(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 
-	desc = irq_to_desc(irq);
 	desc->chip->unmask(irq);
 	desc->status &= ~IRQ_MASKED;
 }
@@ -247,11 +238,9 @@ static void default_disable(unsigned int irq)
  */
 static unsigned int default_startup(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 
-	desc = irq_to_desc(irq);
 	desc->chip->enable(irq);
-
 	return 0;
 }
 
@@ -260,9 +249,8 @@ static unsigned int default_startup(unsigned int irq)
  */
 static void default_shutdown(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 
-	desc = irq_to_desc(irq);
 	desc->chip->mask(irq);
 	desc->status |= IRQ_MASKED;
 }
@@ -550,10 +538,9 @@ void
 __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
 		  const char *name)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR
 		       "Trying to install type control for IRQ%d\n", irq);
@@ -614,13 +601,11 @@ set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
 
 void __init set_irq_noprobe(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR "Trying to mark IRQ%d non-probeable\n", irq);
-
 		return;
 	}
 
@@ -631,13 +616,11 @@ void __init set_irq_noprobe(unsigned int irq)
 
 void __init set_irq_probe(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc) {
 		printk(KERN_ERR "Trying to mark IRQ%d probeable\n", irq);
-
 		return;
 	}
 
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 9fe86b3a60a..a69368ff607 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -68,9 +68,8 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
  */
 static void ack_bad(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 
-	desc = irq_to_desc(irq);
 	print_irq_desc(irq, desc);
 	ack_bad_irq(irq);
 }
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ad2ce72c83c..c498a1b8c62 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -140,10 +140,9 @@ int irq_select_affinity(unsigned int irq)
  */
 void disable_irq_nosync(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -170,9 +169,8 @@ EXPORT_SYMBOL(disable_irq_nosync);
  */
 void disable_irq(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 
-	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -213,10 +211,9 @@ static void __enable_irq(struct irq_desc *desc, unsigned int irq)
  */
 void enable_irq(unsigned int irq)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
 
-	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -291,10 +288,9 @@ EXPORT_SYMBOL(set_irq_wake);
  */
 int can_request_irq(unsigned int irq, unsigned long irqflags)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction *action;
 
-	desc = irq_to_desc(irq);
 	if (!desc)
 		return 0;
 
@@ -355,16 +351,15 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
  * Internal function to register an irqaction - typically used to
  * allocate special interrupts that are part of the architecture.
  */
-int setup_irq(unsigned int irq, struct irqaction *new)
+static int
+__setup_irq(unsigned int irq, struct irq_desc * desc, struct irqaction *new)
 {
-	struct irq_desc *desc;
 	struct irqaction *old, **p;
 	const char *old_name = NULL;
 	unsigned long flags;
 	int shared = 0;
 	int ret;
 
-	desc = irq_to_desc(irq);
 	if (!desc)
 		return -EINVAL;
 
@@ -503,6 +498,20 @@ mismatch:
 	return -EBUSY;
 }
 
+/**
+ *	setup_irq - setup an interrupt
+ *	@irq: Interrupt line to setup
+ *	@act: irqaction for the interrupt
+ *
+ * Used to statically setup interrupts in the early boot process.
+ */
+int setup_irq(unsigned int irq, struct irqaction *act)
+{
+	struct irq_desc *desc = irq_to_desc(irq);
+
+	return __setup_irq(irq, desc, act);
+}
+
 /**
  *	free_irq - free an interrupt
  *	@irq: Interrupt line to free
@@ -519,13 +528,12 @@ mismatch:
  */
 void free_irq(unsigned int irq, void *dev_id)
 {
-	struct irq_desc *desc;
+	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction **p;
 	unsigned long flags;
 
 	WARN_ON(in_interrupt());
 
-	desc = irq_to_desc(irq);
 	if (!desc)
 		return;
 
@@ -624,8 +632,8 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 		unsigned long irqflags, const char *devname, void *dev_id)
 {
 	struct irqaction *action;
-	int retval;
 	struct irq_desc *desc;
+	int retval;
 
 #ifdef CONFIG_LOCKDEP
 	/*
@@ -662,7 +670,7 @@ int request_irq(unsigned int irq, irq_handler_t handler,
 	action->next = NULL;
 	action->dev_id = dev_id;
 
-	retval = setup_irq(irq, action);
+	retval = __setup_irq(irq, desc, action);
 	if (retval)
 		kfree(action);
 
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index bc0993d86c8..fac014a81b2 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -215,6 +215,7 @@ void unregister_handler_proc(unsigned int irq, struct irqaction *action)
 {
 	if (action->dir) {
 		struct irq_desc *desc = irq_to_desc(irq);
+
 		remove_proc_entry(action->dir->name, desc->dir);
 	}
 }
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index ec5a4bef305..dd364c11e56 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -26,8 +26,7 @@ static DEFINE_TIMER(poll_spurious_irq_timer, poll_spurious_irqs, 0, 0);
 static int try_one_irq(int irq, struct irq_desc *desc)
 {
 	struct irqaction *action;
-	int ok = 0;
-	int work = 0;	/* Did we do work for a real IRQ */
+	int ok = 0, work = 0;
 
 	spin_lock(&desc->lock);
 	/* Already running on another processor */
@@ -88,9 +87,8 @@ static int try_one_irq(int irq, struct irq_desc *desc)
 
 static int misrouted_irq(int irq)
 {
-	int i;
-	int ok = 0;
 	struct irq_desc *desc;
+	int i, ok = 0;
 
 	for_each_irq_desc(i, desc) {
 		if (!i)
@@ -108,8 +106,8 @@ static int misrouted_irq(int irq)
 
 static void poll_spurious_irqs(unsigned long dummy)
 {
-	int i;
 	struct irq_desc *desc;
+	int i;
 
 	for_each_irq_desc(i, desc) {
 		unsigned int status;
@@ -126,7 +124,8 @@ static void poll_spurious_irqs(unsigned long dummy)
 		try_one_irq(i, desc);
 	}
 
-	mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL);
+	mod_timer(&poll_spurious_irq_timer,
+		  jiffies + POLL_SPURIOUS_IRQ_INTERVAL);
 }
 
 /*
@@ -177,7 +176,9 @@ report_bad_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret)
 	}
 }
 
-static inline int try_misrouted_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret)
+static inline int
+try_misrouted_irq(unsigned int irq, struct irq_desc *desc,
+		  irqreturn_t action_ret)
 {
 	struct irqaction *action;
 
@@ -253,7 +254,8 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
 		desc->depth++;
 		desc->chip->disable(irq);
 
-		mod_timer(&poll_spurious_irq_timer, jiffies + POLL_SPURIOUS_IRQ_INTERVAL);
+		mod_timer(&poll_spurious_irq_timer,
+			  jiffies + POLL_SPURIOUS_IRQ_INTERVAL);
 	}
 	desc->irqs_unhandled = 0;
 }
-- 
GitLab


From c0c168ca26b54a4a6ad34fc813fe00f275fbc94c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 11:15:28 +0200
Subject: [PATCH 0782/2224] x86: cleanup show_interrupts

The sparseirq patches introduced some more ugliness in show_interrupts().
Clean it up all together and make the code easier to read by splitting out
the "tail" function  which prints the special interrupts.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/irq_32.c | 160 +++++++++++++++++++--------------------
 arch/x86/kernel/irq_64.c | 153 ++++++++++++++++++-------------------
 2 files changed, 154 insertions(+), 159 deletions(-)

diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index ccf6c1bf712..8d525765a6c 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -263,22 +263,67 @@ atomic_t irq_err_count;
  * /proc/interrupts printing:
  */
 
+static int show_other_interrupts(struct seq_file *p)
+{
+	int j;
+
+	seq_printf(p, "NMI: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", nmi_count(j));
+	seq_printf(p, "  Non-maskable interrupts\n");
+#ifdef CONFIG_X86_LOCAL_APIC
+	seq_printf(p, "LOC: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", per_cpu(irq_stat,j).apic_timer_irqs);
+	seq_printf(p, "  Local timer interrupts\n");
+#endif
+#ifdef CONFIG_SMP
+	seq_printf(p, "RES: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_resched_count);
+	seq_printf(p, "  Rescheduling interrupts\n");
+	seq_printf(p, "CAL: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_call_count);
+	seq_printf(p, "  Function call interrupts\n");
+	seq_printf(p, "TLB: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_tlb_count);
+	seq_printf(p, "  TLB shootdowns\n");
+#endif
+#ifdef CONFIG_X86_MCE
+	seq_printf(p, "TRM: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_thermal_count);
+	seq_printf(p, "  Thermal event interrupts\n");
+#endif
+#ifdef CONFIG_X86_LOCAL_APIC
+	seq_printf(p, "SPU: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_spurious_count);
+	seq_printf(p, "  Spurious interrupts\n");
+#endif
+	seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
+#if defined(CONFIG_X86_IO_APIC)
+	seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
+#endif
+	return 0;
+}
+
 int show_interrupts(struct seq_file *p, void *v)
 {
+	unsigned long flags, any_count = 0;
 	int i = *(loff_t *) v, j;
-	struct irqaction * action;
-	unsigned long flags;
-	unsigned int entries;
-	struct irq_desc *desc = NULL;
-	int tail = 0;
+	struct irqaction *action;
+	struct irq_desc *desc;
+
+	if (i > nr_irqs)
+		return 0;
 
-	entries = nr_irqs - 1;
-	i = *(loff_t *) v;
 	if (i == nr_irqs)
-		tail = 1;
-	else
-		desc = irq_to_desc(i);
+		return show_other_interrupts(p);
 
+	/* print header */
 	if (i == 0) {
 		seq_printf(p, "           ");
 		for_each_online_cpu(j)
@@ -286,88 +331,37 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 	}
 
-	if (i <= entries) {
-		unsigned any_count = 0;
-
-		spin_lock_irqsave(&desc->lock, flags);
+	desc = irq_to_desc(i);
+	spin_lock_irqsave(&desc->lock, flags);
 #ifndef CONFIG_SMP
-		any_count = kstat_irqs(i);
+	any_count = kstat_irqs(i);
 #else
-		for_each_online_cpu(j)
-			any_count |= kstat_irqs_cpu(i, j);
+	for_each_online_cpu(j)
+		any_count |= kstat_irqs_cpu(i, j);
 #endif
-		action = desc->action;
-		if (!action && !any_count)
-			goto skip;
-		seq_printf(p, "%3d: ", i);
+	action = desc->action;
+	if (!action && !any_count)
+		goto out;
+
+	seq_printf(p, "%3d: ", i);
 #ifndef CONFIG_SMP
-		seq_printf(p, "%10u ", kstat_irqs(i));
+	seq_printf(p, "%10u ", kstat_irqs(i));
 #else
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 #endif
-		seq_printf(p, " %8s", desc->chip->name);
-		seq_printf(p, "-%-8s", desc->name);
-
-		if (action) {
-			seq_printf(p, "  %s", action->name);
-			while ((action = action->next) != NULL)
-				seq_printf(p, ", %s", action->name);
-		}
+	seq_printf(p, " %8s", desc->chip->name);
+	seq_printf(p, "-%-8s", desc->name);
 
-		seq_putc(p, '\n');
-skip:
-		spin_unlock_irqrestore(&desc->lock, flags);
+	if (action) {
+		seq_printf(p, "  %s", action->name);
+		while ((action = action->next) != NULL)
+			seq_printf(p, ", %s", action->name);
 	}
 
-	if (tail) {
-		seq_printf(p, "NMI: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", nmi_count(j));
-		seq_printf(p, "  Non-maskable interrupts\n");
-#ifdef CONFIG_X86_LOCAL_APIC
-		seq_printf(p, "LOC: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ",
-				per_cpu(irq_stat,j).apic_timer_irqs);
-		seq_printf(p, "  Local timer interrupts\n");
-#endif
-#ifdef CONFIG_SMP
-		seq_printf(p, "RES: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ",
-				per_cpu(irq_stat,j).irq_resched_count);
-		seq_printf(p, "  Rescheduling interrupts\n");
-		seq_printf(p, "CAL: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ",
-				per_cpu(irq_stat,j).irq_call_count);
-		seq_printf(p, "  Function call interrupts\n");
-		seq_printf(p, "TLB: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ",
-				per_cpu(irq_stat,j).irq_tlb_count);
-		seq_printf(p, "  TLB shootdowns\n");
-#endif
-#ifdef CONFIG_X86_MCE
-		seq_printf(p, "TRM: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ",
-				per_cpu(irq_stat,j).irq_thermal_count);
-		seq_printf(p, "  Thermal event interrupts\n");
-#endif
-#ifdef CONFIG_X86_LOCAL_APIC
-		seq_printf(p, "SPU: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ",
-				per_cpu(irq_stat,j).irq_spurious_count);
-		seq_printf(p, "  Spurious interrupts\n");
-#endif
-		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-#if defined(CONFIG_X86_IO_APIC)
-		seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
-#endif
-	}
+	seq_putc(p, '\n');
+out:
+	spin_unlock_irqrestore(&desc->lock, flags);
 	return 0;
 }
 
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 21f53b91111..4f374294f29 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -68,22 +68,65 @@ static inline void stack_overflow_check(struct pt_regs *regs)
  * Generic, controller-independent functions:
  */
 
+static int show_other_interrupts(struct seq_file *p)
+{
+	int j;
+
+	seq_printf(p, "NMI: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
+	seq_printf(p, "  Non-maskable interrupts\n");
+	seq_printf(p, "LOC: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
+	seq_printf(p, "  Local timer interrupts\n");
+#ifdef CONFIG_SMP
+	seq_printf(p, "RES: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count);
+	seq_printf(p, "  Rescheduling interrupts\n");
+	seq_printf(p, "CAL: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count);
+	seq_printf(p, "  Function call interrupts\n");
+	seq_printf(p, "TLB: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
+	seq_printf(p, "  TLB shootdowns\n");
+#endif
+#ifdef CONFIG_X86_MCE
+	seq_printf(p, "TRM: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
+	seq_printf(p, "  Thermal event interrupts\n");
+	seq_printf(p, "THR: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
+	seq_printf(p, "  Threshold APIC interrupts\n");
+#endif
+	seq_printf(p, "SPU: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
+	seq_printf(p, "  Spurious interrupts\n");
+	seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
+
+	return 0;
+}
+
 int show_interrupts(struct seq_file *p, void *v)
 {
-	int i, j;
-	struct irqaction * action;
-	unsigned long flags;
-	unsigned int entries;
-	struct irq_desc *desc = NULL;
-	int tail = 0;
-
-	entries = nr_irqs - 1;
-	i = *(loff_t *) v;
+	unsigned long flags, any_count = 0;
+	int i = *(loff_t *) v, j;
+	struct irqaction *action;
+	struct irq_desc *desc;
+
+	if (i > nr_irqs)
+		return 0;
+
 	if (i == nr_irqs)
-		tail = 1;
-	else
-		desc = irq_to_desc(i);
+		return show_other_interrupts(p);
 
+	/* print header */
 	if (i == 0) {
 		seq_printf(p, "           ");
 		for_each_online_cpu(j)
@@ -91,79 +134,37 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 	}
 
-	if (i <= entries) {
-		unsigned any_count = 0;
-
-		spin_lock_irqsave(&desc->lock, flags);
+	desc = irq_to_desc(i);
+	spin_lock_irqsave(&desc->lock, flags);
 #ifndef CONFIG_SMP
-		any_count = kstat_irqs(i);
+	any_count = kstat_irqs(i);
 #else
-		for_each_online_cpu(j)
-			any_count |= kstat_irqs_cpu(i, j);
+	for_each_online_cpu(j)
+		any_count |= kstat_irqs_cpu(i, j);
 #endif
-		action = desc->action;
-		if (!action && !any_count)
-			goto skip;
-		seq_printf(p, "%3d: ", i);
+	action = desc->action;
+	if (!action && !any_count)
+		goto out;
+
+	seq_printf(p, "%3d: ", i);
 #ifndef CONFIG_SMP
-		seq_printf(p, "%10u ", kstat_irqs(i));
+	seq_printf(p, "%10u ", kstat_irqs(i));
 #else
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 #endif
-		seq_printf(p, " %8s", desc->chip->name);
-		seq_printf(p, "-%-8s", desc->name);
+	seq_printf(p, " %8s", desc->chip->name);
+	seq_printf(p, "-%-8s", desc->name);
 
-		if (action) {
-			seq_printf(p, "  %s", action->name);
-			while ((action = action->next) != NULL)
-				seq_printf(p, ", %s", action->name);
-		}
-		seq_putc(p, '\n');
-skip:
-		spin_unlock_irqrestore(&desc->lock, flags);
-	}
-
-	if (tail) {
-		seq_printf(p, "NMI: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
-		seq_printf(p, "  Non-maskable interrupts\n");
-		seq_printf(p, "LOC: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
-		seq_printf(p, "  Local timer interrupts\n");
-#ifdef CONFIG_SMP
-		seq_printf(p, "RES: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count);
-		seq_printf(p, "  Rescheduling interrupts\n");
-		seq_printf(p, "CAL: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count);
-		seq_printf(p, "  Function call interrupts\n");
-		seq_printf(p, "TLB: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
-		seq_printf(p, "  TLB shootdowns\n");
-#endif
-#ifdef CONFIG_X86_MCE
-		seq_printf(p, "TRM: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
-		seq_printf(p, "  Thermal event interrupts\n");
-		seq_printf(p, "THR: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
-		seq_printf(p, "  Threshold APIC interrupts\n");
-#endif
-		seq_printf(p, "SPU: ");
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
-		seq_printf(p, "  Spurious interrupts\n");
-		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
+	if (action) {
+		seq_printf(p, "  %s", action->name);
+		while ((action = action->next) != NULL)
+			seq_printf(p, ", %s", action->name);
 	}
 
+	seq_putc(p, '\n');
+out:
+	spin_unlock_irqrestore(&desc->lock, flags);
 	return 0;
 }
 
-- 
GitLab


From 6b39ba771e3c78d00e0abcebad270bd4212b28bc Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 11:32:24 +0200
Subject: [PATCH 0783/2224] x86: unify show_interrupts() and proc helpers

show_interrupts() and proc helpers are basically the same for
32 and 64 bit. Move them to a shared source file.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/Makefile |   2 +-
 arch/x86/kernel/irq.c    | 166 +++++++++++++++++++++++++++++++++++++++
 arch/x86/kernel/irq_32.c | 146 ----------------------------------
 arch/x86/kernel/irq_64.c | 132 -------------------------------
 4 files changed, 167 insertions(+), 279 deletions(-)
 create mode 100644 arch/x86/kernel/irq.c

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index cb6ade443f0..d7e5a58ee22 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -23,7 +23,7 @@ CFLAGS_hpet.o		:= $(nostackp)
 CFLAGS_tsc.o		:= $(nostackp)
 
 obj-y			:= process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
-obj-y			+= traps.o irq_$(BITS).o dumpstack_$(BITS).o
+obj-y			+= traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
 obj-y			+= time_$(BITS).o ioport.o ldt.o
 obj-y			+= setup.o i8259.o irqinit_$(BITS).o setup_percpu.o
 obj-$(CONFIG_X86_VISWS)	+= visws_quirks.o
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
new file mode 100644
index 00000000000..3b912849897
--- /dev/null
+++ b/arch/x86/kernel/irq.c
@@ -0,0 +1,166 @@
+/*
+ * Common interrupt code for 32 and 64 bit
+ */
+#include <linux/cpu.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/seq_file.h>
+
+#include <asm/apic.h>
+#include <asm/io_apic.h>
+#include <asm/smp.h>
+
+atomic_t irq_err_count;
+
+#ifdef CONFIG_X86_32
+# define irq_stats(x)		(&per_cpu(irq_stat,x))
+#else
+# define irq_stats(x)		cpu_pda(x)
+#endif
+/*
+ * /proc/interrupts printing:
+ */
+static int show_other_interrupts(struct seq_file *p)
+{
+	int j;
+
+	seq_printf(p, "NMI: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->__nmi_count);
+	seq_printf(p, "  Non-maskable interrupts\n");
+#ifdef CONFIG_X86_LOCAL_APIC
+	seq_printf(p, "LOC: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->apic_timer_irqs);
+	seq_printf(p, "  Local timer interrupts\n");
+#endif
+#ifdef CONFIG_SMP
+	seq_printf(p, "RES: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_resched_count);
+	seq_printf(p, "  Rescheduling interrupts\n");
+	seq_printf(p, "CAL: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_call_count);
+	seq_printf(p, "  Function call interrupts\n");
+	seq_printf(p, "TLB: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count);
+	seq_printf(p, "  TLB shootdowns\n");
+#endif
+#ifdef CONFIG_X86_MCE
+	seq_printf(p, "TRM: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_thermal_count);
+	seq_printf(p, "  Thermal event interrupts\n");
+# ifdef CONFIG_X86_64
+	seq_printf(p, "THR: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_threshold_count);
+	seq_printf(p, "  Threshold APIC interrupts\n");
+# endif
+#endif
+#ifdef CONFIG_X86_LOCAL_APIC
+	seq_printf(p, "SPU: ");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_spurious_count);
+	seq_printf(p, "  Spurious interrupts\n");
+#endif
+	seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
+#if defined(CONFIG_X86_IO_APIC)
+	seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
+#endif
+	return 0;
+}
+
+int show_interrupts(struct seq_file *p, void *v)
+{
+	unsigned long flags, any_count = 0;
+	int i = *(loff_t *) v, j;
+	struct irqaction *action;
+	struct irq_desc *desc;
+
+	if (i > nr_irqs)
+		return 0;
+
+	if (i == nr_irqs)
+		return show_other_interrupts(p);
+
+	/* print header */
+	if (i == 0) {
+		seq_printf(p, "           ");
+		for_each_online_cpu(j)
+			seq_printf(p, "CPU%-8d",j);
+		seq_putc(p, '\n');
+	}
+
+	desc = irq_to_desc(i);
+	spin_lock_irqsave(&desc->lock, flags);
+#ifndef CONFIG_SMP
+	any_count = kstat_irqs(i);
+#else
+	for_each_online_cpu(j)
+		any_count |= kstat_irqs_cpu(i, j);
+#endif
+	action = desc->action;
+	if (!action && !any_count)
+		goto out;
+
+	seq_printf(p, "%3d: ", i);
+#ifndef CONFIG_SMP
+	seq_printf(p, "%10u ", kstat_irqs(i));
+#else
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
+#endif
+	seq_printf(p, " %8s", desc->chip->name);
+	seq_printf(p, "-%-8s", desc->name);
+
+	if (action) {
+		seq_printf(p, "  %s", action->name);
+		while ((action = action->next) != NULL)
+			seq_printf(p, ", %s", action->name);
+	}
+
+	seq_putc(p, '\n');
+out:
+	spin_unlock_irqrestore(&desc->lock, flags);
+	return 0;
+}
+
+/*
+ * /proc/stat helpers
+ */
+u64 arch_irq_stat_cpu(unsigned int cpu)
+{
+	u64 sum = irq_stats(cpu)->__nmi_count;
+
+#ifdef CONFIG_X86_LOCAL_APIC
+	sum += irq_stats(cpu)->apic_timer_irqs;
+#endif
+#ifdef CONFIG_SMP
+	sum += irq_stats(cpu)->irq_resched_count;
+	sum += irq_stats(cpu)->irq_call_count;
+	sum += irq_stats(cpu)->irq_tlb_count;
+#endif
+#ifdef CONFIG_X86_MCE
+	sum += irq_stats(cpu)->irq_thermal_count;
+# ifdef CONFIG_X86_64
+	sum += irq_stats(cpu)->irq_threshold_count;
+#endif
+#endif
+#ifdef CONFIG_X86_LOCAL_APIC
+	sum += irq_stats(cpu)->irq_spurious_count;
+#endif
+	return sum;
+}
+
+u64 arch_irq_stat(void)
+{
+	u64 sum = atomic_read(&irq_err_count);
+
+#ifdef CONFIG_X86_IO_APIC
+	sum += atomic_read(&irq_mis_count);
+#endif
+	return sum;
+}
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 8d525765a6c..6d9bf3936c7 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -253,152 +253,6 @@ unsigned int do_IRQ(struct pt_regs *regs)
 	return 1;
 }
 
-/*
- * Interrupt statistics:
- */
-
-atomic_t irq_err_count;
-
-/*
- * /proc/interrupts printing:
- */
-
-static int show_other_interrupts(struct seq_file *p)
-{
-	int j;
-
-	seq_printf(p, "NMI: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", nmi_count(j));
-	seq_printf(p, "  Non-maskable interrupts\n");
-#ifdef CONFIG_X86_LOCAL_APIC
-	seq_printf(p, "LOC: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", per_cpu(irq_stat,j).apic_timer_irqs);
-	seq_printf(p, "  Local timer interrupts\n");
-#endif
-#ifdef CONFIG_SMP
-	seq_printf(p, "RES: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_resched_count);
-	seq_printf(p, "  Rescheduling interrupts\n");
-	seq_printf(p, "CAL: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_call_count);
-	seq_printf(p, "  Function call interrupts\n");
-	seq_printf(p, "TLB: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_tlb_count);
-	seq_printf(p, "  TLB shootdowns\n");
-#endif
-#ifdef CONFIG_X86_MCE
-	seq_printf(p, "TRM: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_thermal_count);
-	seq_printf(p, "  Thermal event interrupts\n");
-#endif
-#ifdef CONFIG_X86_LOCAL_APIC
-	seq_printf(p, "SPU: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", per_cpu(irq_stat,j).irq_spurious_count);
-	seq_printf(p, "  Spurious interrupts\n");
-#endif
-	seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-#if defined(CONFIG_X86_IO_APIC)
-	seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
-#endif
-	return 0;
-}
-
-int show_interrupts(struct seq_file *p, void *v)
-{
-	unsigned long flags, any_count = 0;
-	int i = *(loff_t *) v, j;
-	struct irqaction *action;
-	struct irq_desc *desc;
-
-	if (i > nr_irqs)
-		return 0;
-
-	if (i == nr_irqs)
-		return show_other_interrupts(p);
-
-	/* print header */
-	if (i == 0) {
-		seq_printf(p, "           ");
-		for_each_online_cpu(j)
-			seq_printf(p, "CPU%-8d",j);
-		seq_putc(p, '\n');
-	}
-
-	desc = irq_to_desc(i);
-	spin_lock_irqsave(&desc->lock, flags);
-#ifndef CONFIG_SMP
-	any_count = kstat_irqs(i);
-#else
-	for_each_online_cpu(j)
-		any_count |= kstat_irqs_cpu(i, j);
-#endif
-	action = desc->action;
-	if (!action && !any_count)
-		goto out;
-
-	seq_printf(p, "%3d: ", i);
-#ifndef CONFIG_SMP
-	seq_printf(p, "%10u ", kstat_irqs(i));
-#else
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
-	seq_printf(p, " %8s", desc->chip->name);
-	seq_printf(p, "-%-8s", desc->name);
-
-	if (action) {
-		seq_printf(p, "  %s", action->name);
-		while ((action = action->next) != NULL)
-			seq_printf(p, ", %s", action->name);
-	}
-
-	seq_putc(p, '\n');
-out:
-	spin_unlock_irqrestore(&desc->lock, flags);
-	return 0;
-}
-
-/*
- * /proc/stat helpers
- */
-u64 arch_irq_stat_cpu(unsigned int cpu)
-{
-	u64 sum = nmi_count(cpu);
-
-#ifdef CONFIG_X86_LOCAL_APIC
-	sum += per_cpu(irq_stat, cpu).apic_timer_irqs;
-#endif
-#ifdef CONFIG_SMP
-	sum += per_cpu(irq_stat, cpu).irq_resched_count;
-	sum += per_cpu(irq_stat, cpu).irq_call_count;
-	sum += per_cpu(irq_stat, cpu).irq_tlb_count;
-#endif
-#ifdef CONFIG_X86_MCE
-	sum += per_cpu(irq_stat, cpu).irq_thermal_count;
-#endif
-#ifdef CONFIG_X86_LOCAL_APIC
-	sum += per_cpu(irq_stat, cpu).irq_spurious_count;
-#endif
-	return sum;
-}
-
-u64 arch_irq_stat(void)
-{
-	u64 sum = atomic_read(&irq_err_count);
-
-#ifdef CONFIG_X86_IO_APIC
-	sum += atomic_read(&irq_mis_count);
-#endif
-	return sum;
-}
-
 #ifdef CONFIG_HOTPLUG_CPU
 #include <mach_apic.h>
 
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 4f374294f29..39ef7feb9ea 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -18,8 +18,6 @@
 #include <asm/idle.h>
 #include <asm/smp.h>
 
-atomic_t irq_err_count;
-
 /*
  * 'what should we do if we get a hw irq event on an illegal vector'.
  * each architecture has to answer this themselves.
@@ -64,136 +62,6 @@ static inline void stack_overflow_check(struct pt_regs *regs)
 }
 #endif
 
-/*
- * Generic, controller-independent functions:
- */
-
-static int show_other_interrupts(struct seq_file *p)
-{
-	int j;
-
-	seq_printf(p, "NMI: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
-	seq_printf(p, "  Non-maskable interrupts\n");
-	seq_printf(p, "LOC: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
-	seq_printf(p, "  Local timer interrupts\n");
-#ifdef CONFIG_SMP
-	seq_printf(p, "RES: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count);
-	seq_printf(p, "  Rescheduling interrupts\n");
-	seq_printf(p, "CAL: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count);
-	seq_printf(p, "  Function call interrupts\n");
-	seq_printf(p, "TLB: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
-	seq_printf(p, "  TLB shootdowns\n");
-#endif
-#ifdef CONFIG_X86_MCE
-	seq_printf(p, "TRM: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
-	seq_printf(p, "  Thermal event interrupts\n");
-	seq_printf(p, "THR: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
-	seq_printf(p, "  Threshold APIC interrupts\n");
-#endif
-	seq_printf(p, "SPU: ");
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
-	seq_printf(p, "  Spurious interrupts\n");
-	seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-
-	return 0;
-}
-
-int show_interrupts(struct seq_file *p, void *v)
-{
-	unsigned long flags, any_count = 0;
-	int i = *(loff_t *) v, j;
-	struct irqaction *action;
-	struct irq_desc *desc;
-
-	if (i > nr_irqs)
-		return 0;
-
-	if (i == nr_irqs)
-		return show_other_interrupts(p);
-
-	/* print header */
-	if (i == 0) {
-		seq_printf(p, "           ");
-		for_each_online_cpu(j)
-			seq_printf(p, "CPU%-8d",j);
-		seq_putc(p, '\n');
-	}
-
-	desc = irq_to_desc(i);
-	spin_lock_irqsave(&desc->lock, flags);
-#ifndef CONFIG_SMP
-	any_count = kstat_irqs(i);
-#else
-	for_each_online_cpu(j)
-		any_count |= kstat_irqs_cpu(i, j);
-#endif
-	action = desc->action;
-	if (!action && !any_count)
-		goto out;
-
-	seq_printf(p, "%3d: ", i);
-#ifndef CONFIG_SMP
-	seq_printf(p, "%10u ", kstat_irqs(i));
-#else
-	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
-	seq_printf(p, " %8s", desc->chip->name);
-	seq_printf(p, "-%-8s", desc->name);
-
-	if (action) {
-		seq_printf(p, "  %s", action->name);
-		while ((action = action->next) != NULL)
-			seq_printf(p, ", %s", action->name);
-	}
-
-	seq_putc(p, '\n');
-out:
-	spin_unlock_irqrestore(&desc->lock, flags);
-	return 0;
-}
-
-/*
- * /proc/stat helpers
- */
-u64 arch_irq_stat_cpu(unsigned int cpu)
-{
-	u64 sum = cpu_pda(cpu)->__nmi_count;
-
-	sum += cpu_pda(cpu)->apic_timer_irqs;
-#ifdef CONFIG_SMP
-	sum += cpu_pda(cpu)->irq_resched_count;
-	sum += cpu_pda(cpu)->irq_call_count;
-	sum += cpu_pda(cpu)->irq_tlb_count;
-#endif
-#ifdef CONFIG_X86_MCE
-	sum += cpu_pda(cpu)->irq_thermal_count;
-	sum += cpu_pda(cpu)->irq_threshold_count;
-#endif
-	sum += cpu_pda(cpu)->irq_spurious_count;
-	return sum;
-}
-
-u64 arch_irq_stat(void)
-{
-	return atomic_read(&irq_err_count);
-}
-
 /*
  * do_IRQ handles all normal device IRQ's (the special
  * SMP cross-CPU interrupts have their own specific
-- 
GitLab


From 249f6d9eab372790579ada8991bba3384c204e06 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 12:18:50 +0200
Subject: [PATCH 0784/2224] x86: move ack_bad_irq() to irq.c

Share more duplicated code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/irq.c    | 23 +++++++++++++++++++++++
 arch/x86/kernel/irq_32.c | 23 -----------------------
 arch/x86/kernel/irq_64.c | 20 --------------------
 3 files changed, 23 insertions(+), 43 deletions(-)

diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 3b912849897..ccf6c503fc3 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -12,6 +12,29 @@
 
 atomic_t irq_err_count;
 
+/*
+ * 'what should we do if we get a hw irq event on an illegal vector'.
+ * each architecture has to answer this themselves.
+ */
+void ack_bad_irq(unsigned int irq)
+{
+	printk(KERN_ERR "unexpected IRQ trap at vector %02x\n", irq);
+
+#ifdef CONFIG_X86_LOCAL_APIC
+	/*
+	 * Currently unexpected vectors happen only on SMP and APIC.
+	 * We _must_ ack these because every local APIC has only N
+	 * irq slots per priority level, and a 'hanging, unacked' IRQ
+	 * holds up an irq slot - in excessive cases (when multiple
+	 * unexpected vectors occur) that might lock up the APIC
+	 * completely.
+	 * But only ack when the APIC is enabled -AK
+	 */
+	if (cpu_has_apic)
+		ack_APIC_irq();
+#endif
+}
+
 #ifdef CONFIG_X86_32
 # define irq_stats(x)		(&per_cpu(irq_stat,x))
 #else
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 6d9bf3936c7..a51382672de 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -25,29 +25,6 @@ EXPORT_PER_CPU_SYMBOL(irq_stat);
 DEFINE_PER_CPU(struct pt_regs *, irq_regs);
 EXPORT_PER_CPU_SYMBOL(irq_regs);
 
-/*
- * 'what should we do if we get a hw irq event on an illegal vector'.
- * each architecture has to answer this themselves.
- */
-void ack_bad_irq(unsigned int irq)
-{
-	printk(KERN_ERR "unexpected IRQ trap at vector %02x\n", irq);
-
-#ifdef CONFIG_X86_LOCAL_APIC
-	/*
-	 * Currently unexpected vectors happen only on SMP and APIC.
-	 * We _must_ ack these because every local APIC has only N
-	 * irq slots per priority level, and a 'hanging, unacked' IRQ
-	 * holds up an irq slot - in excessive cases (when multiple
-	 * unexpected vectors occur) that might lock up the APIC
-	 * completely.
-	 * But only ack when the APIC is enabled -AK
-	 */
-	if (cpu_has_apic)
-		ack_APIC_irq();
-#endif
-}
-
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
 /* Debugging check for stack overflow: is there less than 1KB free? */
 static int check_stack_overflow(void)
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 39ef7feb9ea..60eb84eb77a 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -18,26 +18,6 @@
 #include <asm/idle.h>
 #include <asm/smp.h>
 
-/*
- * 'what should we do if we get a hw irq event on an illegal vector'.
- * each architecture has to answer this themselves.
- */
-void ack_bad_irq(unsigned int irq)
-{
-	printk(KERN_WARNING "unexpected IRQ trap at vector %02x\n", irq);
-	/*
-	 * Currently unexpected vectors happen only on SMP and APIC.
-	 * We _must_ ack these because every local APIC has only N
-	 * irq slots per priority level, and a 'hanging, unacked' IRQ
-	 * holds up an irq slot - in excessive cases (when multiple
-	 * unexpected vectors occur) that might lock up the APIC
-	 * completely.
-	 * But don't ack when the APIC is disabled. -AK
-	 */
-	if (!disable_apic)
-		ack_APIC_irq();
-}
-
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
 /*
  * Probabilistic stack overflow check:
-- 
GitLab


From 811410fdb6b9d82a518542289efe9b2a51e3cbfb Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 14:16:11 +0200
Subject: [PATCH 0785/2224] genirq: add reverse iterator for irq_desc

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/irq.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 38bf89f2ade..31632aa65d1 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -21,6 +21,10 @@ extern int nr_irqs;
 
 # define for_each_irq_desc(irq, desc)		\
 	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
+
+# define for_each_irq_desc_reverse(irq, desc)			\
+	for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 );	\
+	     irq > 0; irq--, desc--)
 #endif
 
 #ifndef CONFIG_S390
-- 
GitLab


From 2be3b52a5785a6a5c5349fbd315f57595f7074be Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 14:50:27 +0200
Subject: [PATCH 0786/2224] proc: fixup irq iterator

There is no need for irq_desc here. Even for sparse_irq we can
handle this clever in for_each_irq_nr().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 fs/proc/proc_misc.c | 7 ++-----
 include/linux/irq.h | 3 +++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 3f5c7b9d1a7..97b4579134d 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -509,9 +509,6 @@ static int show_stat(struct seq_file *p, void *v)
 	u64 sum = 0;
 	struct timespec boottime;
 	unsigned int per_irq_sum;
-#ifdef CONFIG_GENERIC_HARDIRQS
-	struct irq_desc *desc;
-#endif
 
 	user = nice = system = idle = iowait =
 		irq = softirq = steal = cputime64_zero;
@@ -530,7 +527,7 @@ static int show_stat(struct seq_file *p, void *v)
 		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
 		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
 
-		for_each_irq_desc(j, desc)
+		for_each_irq_nr(j)
 			sum += kstat_irqs_cpu(j, i);
 
 		sum += arch_irq_stat_cpu(i);
@@ -575,7 +572,7 @@ static int show_stat(struct seq_file *p, void *v)
 	seq_printf(p, "intr %llu", (unsigned long long)sum);
 
 	/* sum again ? it could be updated? */
-	for_each_irq_desc(j, desc) {
+	for_each_irq_nr(j) {
 		per_irq_sum = 0;
 
 		for_each_possible_cpu(i)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 31632aa65d1..0618fb362cb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -27,6 +27,9 @@ extern int nr_irqs;
 	     irq > 0; irq--, desc--)
 #endif
 
+#define for_each_irq_nr(irq)			\
+	for (irq = 0; irq < nr_irqs; irq++)
+
 #ifndef CONFIG_S390
 
 #include <linux/linkage.h>
-- 
GitLab


From 10e580842ec8e53dddf62e1ab1871f4906477376 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 14:19:04 +0200
Subject: [PATCH 0787/2224] genirq: use iterators for irq_desc loops

Use for_each_irq_desc[_reverse] for all the iteration loops.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 drivers/xen/events.c   | 14 ++++++-------
 kernel/irq/autoprobe.c | 45 +++++++++++-------------------------------
 kernel/irq/handle.c    |  5 +++--
 3 files changed, 21 insertions(+), 43 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index e6d47e8ca1a..9ce1ab6c268 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -137,14 +137,12 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
 static void init_evtchn_cpu_bindings(void)
 {
 #ifdef CONFIG_SMP
+	struct irq_desc *desc;
 	int i;
+
 	/* By default all event channels notify CPU#0. */
-	for (i = 0; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_to_desc(i);
-		if (!desc)
-			continue;
+	for_each_irq_desc(i, desc)
 		desc->affinity = cpumask_of_cpu(0);
-	}
 #endif
 
 	memset(cpu_evtchn, 0, sizeof(cpu_evtchn));
@@ -233,7 +231,7 @@ static int find_unbound_irq(void)
 	int irq;
 
 	/* Only allocate from dynirq range */
-	for (irq = 0; irq < nr_irqs; irq++)
+	for_each_irq_nr(irq)
 		if (irq_bindcount[irq] == 0)
 			break;
 
@@ -794,7 +792,7 @@ void xen_irq_resume(void)
 		mask_evtchn(evtchn);
 
 	/* No IRQ <-> event-channel mappings. */
-	for (irq = 0; irq < nr_irqs; irq++)
+	for_each_irq_nr(irq)
 		irq_info[irq].evtchn = 0; /* zap event-channel binding */
 
 	for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++)
@@ -826,7 +824,7 @@ void __init xen_init_IRQ(void)
 		mask_evtchn(i);
 
 	/* Dynamic IRQ space is currently unbound. Zero the refcnts. */
-	for (i = 0; i < nr_irqs; i++)
+	for_each_irq_nr(i)
 		irq_bindcount[i] = 0;
 
 	irq_ctx_init(smp_processor_id());
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index b3a5549ea81..0cbff18efb6 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -30,19 +30,16 @@ static DEFINE_MUTEX(probing_active);
 unsigned long probe_irq_on(void)
 {
 	struct irq_desc *desc;
-	unsigned long mask;
-	unsigned int i;
+	unsigned long mask = 0;
+	unsigned int status;
+	int i;
 
 	mutex_lock(&probing_active);
 	/*
 	 * something may have generated an irq long ago and we want to
 	 * flush such a longstanding irq before considering it as spurious.
 	 */
-	for (i = nr_irqs-1; i > 0; i--) {
-		desc = irq_to_desc(i);
-		if (!desc)
-			continue;
-
+	for_each_irq_desc_reverse(i, desc) {
 		spin_lock_irq(&desc->lock);
 		if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
 			/*
@@ -70,11 +67,7 @@ unsigned long probe_irq_on(void)
 	 * (we must startup again here because if a longstanding irq
 	 * happened in the previous stage, it may have masked itself)
 	 */
-	for (i = nr_irqs-1; i > 0; i--) {
-		desc = irq_to_desc(i);
-		if (!desc)
-			continue;
-
+	for_each_irq_desc_reverse(i, desc) {
 		spin_lock_irq(&desc->lock);
 		if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
 			desc->status |= IRQ_AUTODETECT | IRQ_WAITING;
@@ -92,13 +85,7 @@ unsigned long probe_irq_on(void)
 	/*
 	 * Now filter out any obviously spurious interrupts
 	 */
-	mask = 0;
-	for (i = 0; i < nr_irqs; i++) {
-		unsigned int status;
-
-		desc = irq_to_desc(i);
-		if (!desc)
-			continue;
+	for_each_irq_desc(i, desc) {
 		spin_lock_irq(&desc->lock);
 		status = desc->status;
 
@@ -132,16 +119,11 @@ EXPORT_SYMBOL(probe_irq_on);
  */
 unsigned int probe_irq_mask(unsigned long val)
 {
-	unsigned int mask;
+	unsigned int status, mask = 0;
+	struct irq_desc *desc;
 	int i;
 
-	mask = 0;
-	for (i = 0; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_to_desc(i);
-		unsigned int status;
-
-		if (!desc)
-			continue;
+	for_each_irq_desc(i, desc) {
 		spin_lock_irq(&desc->lock);
 		status = desc->status;
 
@@ -180,13 +162,10 @@ EXPORT_SYMBOL(probe_irq_mask);
 int probe_irq_off(unsigned long val)
 {
 	int i, irq_found = 0, nr_irqs = 0;
+	struct irq_desc *desc;
+	unsigned int status;
 
-	for (i = 0; i < nr_irqs; i++) {
-		struct irq_desc *desc = irq_to_desc(i);
-		unsigned int status;
-
-		if (!desc)
-			continue;
+	for_each_irq_desc(i, desc) {
 		spin_lock_irq(&desc->lock);
 		status = desc->status;
 
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index a69368ff607..c815b42d0f5 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -268,9 +268,10 @@ static struct lock_class_key irq_desc_lock_class;
 
 void early_init_irq_lock_class(void)
 {
+	struct irq_desc *desc;
 	int i;
 
-	for (i = 0; i < nr_irqs; i++)
-		lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class);
+	for_each_irq_desc(i, desc)
+		lockdep_set_class(&desc->lock, &irq_desc_lock_class);
 }
 #endif
-- 
GitLab


From 63d659d556f145d33798b8ad19ced10c254fe445 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 15:33:18 +0200
Subject: [PATCH 0788/2224] genirq: fix name space collision of nr_irqs in
 autoprobe.c

probe_irq_off() is disfunctional as the local nr_irqs is referenced
instead of the global one for the for_each_irq_desc() iterator.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/irq/autoprobe.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 0cbff18efb6..cc0f7321b8c 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -161,7 +161,7 @@ EXPORT_SYMBOL(probe_irq_mask);
  */
 int probe_irq_off(unsigned long val)
 {
-	int i, irq_found = 0, nr_irqs = 0;
+	int i, irq_found = 0, nr_of_irqs = 0;
 	struct irq_desc *desc;
 	unsigned int status;
 
@@ -171,9 +171,9 @@ int probe_irq_off(unsigned long val)
 
 		if (status & IRQ_AUTODETECT) {
 			if (!(status & IRQ_WAITING)) {
-				if (!nr_irqs)
+				if (!nr_of_irqs)
 					irq_found = i;
-				nr_irqs++;
+				nr_of_irqs++;
 			}
 			desc->status = status & ~IRQ_AUTODETECT;
 			desc->chip->shutdown(i);
@@ -182,7 +182,7 @@ int probe_irq_off(unsigned long val)
 	}
 	mutex_unlock(&probing_active);
 
-	if (nr_irqs > 1)
+	if (nr_of_irqs > 1)
 		irq_found = -irq_found;
 
 	return irq_found;
-- 
GitLab


From 4b1135a277f4b38f60b9c9f28adae467feb07856 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 15:33:18 +0200
Subject: [PATCH 0789/2224] genirq: fix name space collisions of nr_irqs in
 arch/*

local shadows of global variables are _bad_

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/alpha/kernel/sys_sable.c    | 6 +++---
 arch/arm/mach-ixp2000/ixdp2x00.c | 4 ++--
 arch/arm/mach-omap2/irq.c        | 8 ++++----
 arch/avr32/mach-at32ap/extint.c  | 8 ++++----
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c
index 99a7f19da13..a4555f49763 100644
--- a/arch/alpha/kernel/sys_sable.c
+++ b/arch/alpha/kernel/sys_sable.c
@@ -47,7 +47,7 @@ typedef struct irq_swizzle_struct
 
 static irq_swizzle_t *sable_lynx_irq_swizzle;
 
-static void sable_lynx_init_irq(int nr_irqs);
+static void sable_lynx_init_irq(int nr_of_irqs);
 
 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SABLE)
 
@@ -530,11 +530,11 @@ sable_lynx_srm_device_interrupt(unsigned long vector)
 }
 
 static void __init
-sable_lynx_init_irq(int nr_irqs)
+sable_lynx_init_irq(int nr_of_irqs)
 {
 	long i;
 
-	for (i = 0; i < nr_irqs; ++i) {
+	for (i = 0; i < nr_of_irqs; ++i) {
 		irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
 		irq_desc[i].chip = &sable_lynx_irq_type;
 	}
diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c
index b0653a87159..30451300751 100644
--- a/arch/arm/mach-ixp2000/ixdp2x00.c
+++ b/arch/arm/mach-ixp2000/ixdp2x00.c
@@ -143,7 +143,7 @@ static struct irq_chip ixdp2x00_cpld_irq_chip = {
 	.unmask	= ixdp2x00_irq_unmask
 };
 
-void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_irqs)
+void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigned long *mask_reg, unsigned long nr_of_irqs)
 {
 	unsigned int irq;
 
@@ -154,7 +154,7 @@ void __init ixdp2x00_init_irq(volatile unsigned long *stat_reg, volatile unsigne
 
 	board_irq_stat = stat_reg;
 	board_irq_mask = mask_reg;
-	board_irq_count = nr_irqs;
+	board_irq_count = nr_of_irqs;
 
 	*board_irq_mask = 0xffffffff;
 
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 196a9565a8d..003901f1e2d 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -111,7 +111,7 @@ static void __init omap_irq_bank_init_one(struct omap_irq_bank *bank)
 
 void __init omap_init_irq(void)
 {
-	unsigned long nr_irqs = 0;
+	unsigned long nr_of_irqs = 0;
 	unsigned int nr_banks = 0;
 	int i;
 
@@ -124,14 +124,14 @@ void __init omap_init_irq(void)
 
 		omap_irq_bank_init_one(bank);
 
-		nr_irqs += bank->nr_irqs;
+		nr_of_irqs += bank->nr_irqs;
 		nr_banks++;
 	}
 
 	printk(KERN_INFO "Total of %ld interrupts on %d active controller%s\n",
-	       nr_irqs, nr_banks, nr_banks > 1 ? "s" : "");
+	       nr_of_irqs, nr_banks, nr_banks > 1 ? "s" : "");
 
-	for (i = 0; i < nr_irqs; i++) {
+	for (i = 0; i < nr_of_irqs; i++) {
 		set_irq_chip(i, &omap_irq_chip);
 		set_irq_handler(i, handle_level_irq);
 		set_irq_flags(i, IRQF_VALID);
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index c36a6d59d6f..310477ba1bb 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -191,7 +191,7 @@ static int __init eic_probe(struct platform_device *pdev)
 	struct eic *eic;
 	struct resource *regs;
 	unsigned int i;
-	unsigned int nr_irqs;
+	unsigned int nr_of_irqs;
 	unsigned int int_irq;
 	int ret;
 	u32 pattern;
@@ -224,7 +224,7 @@ static int __init eic_probe(struct platform_device *pdev)
 	eic_writel(eic, IDR, ~0UL);
 	eic_writel(eic, MODE, ~0UL);
 	pattern = eic_readl(eic, MODE);
-	nr_irqs = fls(pattern);
+	nr_of_irqs = fls(pattern);
 
 	/* Trigger on low level unless overridden by driver */
 	eic_writel(eic, EDGE, 0UL);
@@ -232,7 +232,7 @@ static int __init eic_probe(struct platform_device *pdev)
 
 	eic->chip = &eic_chip;
 
-	for (i = 0; i < nr_irqs; i++) {
+	for (i = 0; i < nr_of_irqs; i++) {
 		set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
 					 handle_level_irq);
 		set_irq_chip_data(eic->first_irq + i, eic);
@@ -256,7 +256,7 @@ static int __init eic_probe(struct platform_device *pdev)
 		 eic->regs, int_irq);
 	dev_info(&pdev->dev,
 		 "Handling %u external IRQs, starting with IRQ %u\n",
-		 nr_irqs, eic->first_irq);
+		 nr_of_irqs, eic->first_irq);
 
 	return 0;
 
-- 
GitLab


From 10e0298686be6249b0665465737a6b83446c4d35 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 16 Oct 2008 17:04:22 +0200
Subject: [PATCH 0790/2224] io_apic: make irq_mis_count available on 64-bit too

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/io_apic.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 6f80dc2f137..b764d7429c6 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -2277,9 +2277,7 @@ static void ack_apic_edge(unsigned int irq)
 	ack_APIC_irq();
 }
 
-#ifdef CONFIG_X86_32
 atomic_t irq_mis_count;
-#endif
 
 static void ack_apic_level(unsigned int irq)
 {
-- 
GitLab


From cc8e920aaf5558f87851169b33c420cc4516c253 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 16 Oct 2008 17:05:27 +0200
Subject: [PATCH 0791/2224] intr_remapping: fix typo

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 drivers/pci/intr_remapping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 950769e8747..d6040dd3ff5 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -23,7 +23,7 @@ static struct irq_2_iommu irq_2_iommuX[NR_IRQS];
 
 static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
 {
-	return (irq < nr_irqs) ?: irq_2_iommuX + irq : NULL;
+	return (irq < nr_irqs) ? irq_2_iommuX + irq : NULL;
 }
 
 static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
-- 
GitLab


From 0f019cc477b494dfc472f2a98eb64d02d4937741 Mon Sep 17 00:00:00 2001
From: Robert Richter <robert.richter@amd.com>
Date: Thu, 16 Oct 2008 15:01:40 +0200
Subject: [PATCH 0792/2224] oprofile: fixing whitespaces in arch/x86/oprofile/*

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 arch/x86/oprofile/backtrace.c  |  3 +--
 arch/x86/oprofile/op_counter.h | 18 +++++++++---------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c
index 36e324139f7..04df67f8a7b 100644
--- a/arch/x86/oprofile/backtrace.c
+++ b/arch/x86/oprofile/backtrace.c
@@ -52,8 +52,7 @@ struct frame_head {
 	unsigned long ret;
 } __attribute__((packed));
 
-static struct frame_head *
-dump_user_backtrace(struct frame_head *head)
+static struct frame_head *dump_user_backtrace(struct frame_head *head)
 {
 	struct frame_head bufhead[2];
 
diff --git a/arch/x86/oprofile/op_counter.h b/arch/x86/oprofile/op_counter.h
index 2880b15c467..91b6a116165 100644
--- a/arch/x86/oprofile/op_counter.h
+++ b/arch/x86/oprofile/op_counter.h
@@ -6,22 +6,22 @@
  *
  * @author John Levon
  */
- 
+
 #ifndef OP_COUNTER_H
 #define OP_COUNTER_H
- 
+
 #define OP_MAX_COUNTER 8
- 
+
 /* Per-perfctr configuration as set via
  * oprofilefs.
  */
 struct op_counter_config {
-        unsigned long count;
-        unsigned long enabled;
-        unsigned long event;
-        unsigned long kernel;
-        unsigned long user;
-        unsigned long unit_mask;
+	unsigned long count;
+	unsigned long enabled;
+	unsigned long event;
+	unsigned long kernel;
+	unsigned long user;
+	unsigned long unit_mask;
 };
 
 extern struct op_counter_config counter_config[];
-- 
GitLab


From 7e90d760ee14547145d7da01be4855ae7be5fe2c Mon Sep 17 00:00:00 2001
From: Dallas Foley <dfoley@techsol.ca>
Date: Thu, 16 Oct 2008 16:46:07 +0100
Subject: [PATCH 0793/2224] [ARM] S3C24XX: pwm-clock set_parent mask fix

Fix s3c24xx pwm-clock supports use of the wrong clock when calculating
the bitmask when configuring the parent clock from the set_parent call.

Signed-off-by: Dallas Foley <dfoley@techsol.ca>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-s3c24xx/pwm-clock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/plat-s3c24xx/pwm-clock.c b/arch/arm/plat-s3c24xx/pwm-clock.c
index 306cc9c6f9e..d41cccd6a25 100644
--- a/arch/arm/plat-s3c24xx/pwm-clock.c
+++ b/arch/arm/plat-s3c24xx/pwm-clock.c
@@ -315,7 +315,7 @@ static int clk_pwm_tin_set_parent(struct clk *clk, struct clk *parent)
 	if (parent == s3c24xx_pwmclk_tclk(id))
 		bits = S3C2410_TCFG1_MUX_TCLK << shift;
 	else if (parent == s3c24xx_pwmclk_tdiv(id))
-		bits = clk_pwm_tdiv_bits(to_tdiv(clk)) << shift;
+		bits = clk_pwm_tdiv_bits(to_tdiv(parent)) << shift;
 	else
 		return -EINVAL;
 
-- 
GitLab


From 5fed4a3739c97eceeac011baf9b2194bda47123f Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 16 Oct 2008 16:46:08 +0100
Subject: [PATCH 0794/2224] [ARM] S3C24XX: Serial driver debug depends on
 DEBUG_LL

The SERIAL_SAMSUNG_DEBUG used printascii() to avoid debugging
through itself when selected as a console. Disable this option
when DEBUG_LL is not set (printascii is unavailable).

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 drivers/serial/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index db783b77a88..c94d3c4b752 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -457,7 +457,7 @@ config SERIAL_SAMSUNG
 
 config SERIAL_SAMSUNG_DEBUG
 	bool "Samsung SoC serial debug"
-	depends on SERIAL_SAMSUNG
+	depends on SERIAL_SAMSUNG && DEBUG_LL
 	help
 	  Add support for debugging the serial driver. Since this is
 	  generally being used as a console, we use our own output
-- 
GitLab


From 5c37866c6e2f0d19896e4c14f386189c1fdf2295 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Thu, 16 Oct 2008 16:46:09 +0100
Subject: [PATCH 0795/2224] [ARM] S3C2443: Fix HCLK rate

Fix the calculation of HCLK on the S3C2443, it should not
have been passed through S3C2443_CLKDIV0_HALF_HCLK.

Re-work of original patch from Wei Shuai <cpuwolf@gmail.com>

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/mach-s3c2443/clock.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index 603b5ea1dea..803e24cd29c 100644
--- a/arch/arm/mach-s3c2443/clock.c
+++ b/arch/arm/mach-s3c2443/clock.c
@@ -1033,8 +1033,7 @@ void __init s3c2443_init_clocks(int xtal)
 
 	fclk = pll / s3c2443_fclk_div(clkdiv0);
 	hclk = s3c2443_prediv_getrate(&clk_prediv);
-	hclk = hclk / s3c2443_get_hdiv(clkdiv0);
-	hclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_HCLK) ? 2 : 1);
+	hclk /= s3c2443_get_hdiv(clkdiv0);
  	pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1);
 
 	s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
-- 
GitLab


From 55b404fd78792d7a88d19f2534510ee42841146f Mon Sep 17 00:00:00 2001
From: Nelson Castillo <nelsoneci@gmail.com>
Date: Thu, 16 Oct 2008 16:46:10 +0100
Subject: [PATCH 0796/2224] [ARM] S3C24XX: Fix redefine of DEFINE_TIMER() in
 s3c24xx pwm-clock.c

Do not redefine the DEFINE_TIMER macro. Renamed the local macro
to DEFINE_S3C_TIMER.

Signed-off-by: Nelson Castillo <nelsoneci@gmail.com>
[ben-linux@fluff.org: spelling and subject fix]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---
 arch/arm/plat-s3c24xx/pwm.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/plat-s3c24xx/pwm.c b/arch/arm/plat-s3c24xx/pwm.c
index 7a92c938542..cbc06067d9c 100644
--- a/arch/arm/plat-s3c24xx/pwm.c
+++ b/arch/arm/plat-s3c24xx/pwm.c
@@ -56,7 +56,7 @@ static struct clk *clk_scaler[2];
 		}					\
 	}
 
-#define DEFINE_TIMER(_tmr_no, _irq)			\
+#define DEFINE_S3C_TIMER(_tmr_no, _irq)			\
 	.name		= "s3c24xx-pwm",		\
 	.id		= _tmr_no,			\
 	.num_resources	= TIMER_RESOURCE_SIZE,		\
@@ -67,11 +67,11 @@ static struct clk *clk_scaler[2];
  */
 
 struct platform_device s3c_device_timer[] = {
-	[0] = { DEFINE_TIMER(0, IRQ_TIMER0) },
-	[1] = { DEFINE_TIMER(1, IRQ_TIMER1) },
-	[2] = { DEFINE_TIMER(2, IRQ_TIMER2) },
-	[3] = { DEFINE_TIMER(3, IRQ_TIMER3) },
-	[4] = { DEFINE_TIMER(4, IRQ_TIMER4) },
+	[0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) },
+	[1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) },
+	[2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) },
+	[3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) },
+	[4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) },
 };
 
 static inline int pwm_is_tdiv(struct pwm_device *pwm)
-- 
GitLab


From 3baf63a507094992a5bf238ba3bcea71f458b1e8 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 16 Oct 2008 19:00:57 +0200
Subject: [PATCH 0797/2224] m32r: fix build due to notify_cpu_starting() change

fix:

arch/m32r/kernel/smpboot.c:501: err
or: implicit declaration of function 'notify_cpu_starting'
make[2]: *** [arch/m32r/kernel/smpboot.o] Error 1
make[2]: *** Waiting for unfinished jobs....

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/m32r/kernel/smpboot.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
index fc2994811f1..39cb6da72dc 100644
--- a/arch/m32r/kernel/smpboot.c
+++ b/arch/m32r/kernel/smpboot.c
@@ -40,6 +40,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/cpu.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
-- 
GitLab


From a68823ee5285e65b51ceb96f8b13a5b4f99a6888 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg59@srcf.ucam.org>
Date: Wed, 6 Aug 2008 19:12:04 +0100
Subject: [PATCH 0798/2224] ACPI: Clear WAK_STS on resume

The leading other brand OS appears to clear the WAK_STS flag on resume.
When rebooted, certain BIOSes assume that the system is actually
resuming if it's still set and so fail to reboot correctly. Make sure
that it's cleared at resume time.

Comment clarified as suggested by Bob Moore

http://bugzilla.kernel.org/show_bug.cgi?id=11634

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Romano Giannetti <romano.giannetti@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/hardware/hwsleep.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index dba3cfbe8cb..130a44b7968 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -627,6 +627,13 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
 	}
 	/* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */
 
+	/*
+	 * Some BIOSes assume that WAK_STS will be cleared on resume and use
+	 * it to determine whether the system is rebooting or resuming. Clear
+	 * it for compatibility.
+	 */
+	acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
+
 	acpi_gbl_system_awake_and_running = TRUE;
 
 	/* Enable power button */
-- 
GitLab


From 0d4a7bc12ffecd3ba41dd94179cc5b272b71ce8a Mon Sep 17 00:00:00 2001
From: Jonathan Corbet <corbet@lwn.net>
Date: Tue, 26 Aug 2008 17:15:45 -0600
Subject: [PATCH 0799/2224] UIO: BKL removal

Fill in needed locking around idr accesses, then remove the big kernel lock
from the UIO driver.  Since there are no in-tree UIO drivers with open()
methods, no further BKL pushdown is required.

Acked-by: Hans J. Koch <hjk@linutronix.de>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---
 drivers/uio/uio.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 3a6934bf713..4f28f4bf836 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -47,6 +47,9 @@ static struct uio_class {
 	struct class *class;
 } *uio_class;
 
+/* Protect idr accesses */
+static DEFINE_MUTEX(minor_lock);
+
 /*
  * attributes
  */
@@ -231,7 +234,6 @@ static void uio_dev_del_attributes(struct uio_device *idev)
 
 static int uio_get_minor(struct uio_device *idev)
 {
-	static DEFINE_MUTEX(minor_lock);
 	int retval = -ENOMEM;
 	int id;
 
@@ -253,7 +255,9 @@ exit:
 
 static void uio_free_minor(struct uio_device *idev)
 {
+	mutex_lock(&minor_lock);
 	idr_remove(&uio_idr, idev->minor);
+	mutex_unlock(&minor_lock);
 }
 
 /**
@@ -297,8 +301,9 @@ static int uio_open(struct inode *inode, struct file *filep)
 	struct uio_listener *listener;
 	int ret = 0;
 
-	lock_kernel();
+	mutex_lock(&minor_lock);
 	idev = idr_find(&uio_idr, iminor(inode));
+	mutex_unlock(&minor_lock);
 	if (!idev) {
 		ret = -ENODEV;
 		goto out;
@@ -324,18 +329,15 @@ static int uio_open(struct inode *inode, struct file *filep)
 		if (ret)
 			goto err_infoopen;
 	}
-	unlock_kernel();
 	return 0;
 
 err_infoopen:
-
 	kfree(listener);
-err_alloc_listener:
 
+err_alloc_listener:
 	module_put(idev->owner);
 
 out:
-	unlock_kernel();
 	return ret;
 }
 
-- 
GitLab


From 2c1b861539c15491593625920058e06452cd3747 Mon Sep 17 00:00:00 2001
From: Steve French <sfrench@us.ibm.com>
Date: Thu, 16 Oct 2008 18:35:21 +0000
Subject: [PATCH 0800/2224] [CIFS] Add nodfs mount option Older samba server
 (eg. 3.0.24 from Debian etch) don't work correctly, if DFS paths are used.
 Such server claim that they support DFS, but fail to process some requests
 with DFS paths. Starting with Linux 2.6.26, the cifs clients starts sending
 DFS paths in such situations, rendering it unuseable with older samba
 servers.

The nodfs mount options forces a share to be used with non DFS paths,
even if the server claims, that it supports it.

Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Acked-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Igor Mammedov <niallain@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/README    | 3 +++
 fs/cifs/connect.c | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/fs/cifs/README b/fs/cifs/README
index bd2343d4c6a..cbe26fe4012 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -463,6 +463,9 @@ A partial list of the supported mount options follows:
 		with cifs style mandatory byte range locks (and most
 		cifs servers do not yet support requesting advisory
 		byte range locks).
+ nodfs          Disable DFS (global name space support) even if the
+		server claims to support it.  This can help work around
+		a problem with parsing of DFS paths with Samba 3.0.24 server.
  remount        remount the share (often used to change from ro to rw mounts
 	        or vice versa)
  cifsacl        Report mode bits (e.g. on stat) based on the Windows ACL for
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4c13bcdb92a..17ca8ce81bb 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -90,6 +90,7 @@ struct smb_vol {
 	bool nocase:1;     /* request case insensitive filenames */
 	bool nobrl:1;      /* disable sending byte range locks to srv */
 	bool seal:1;       /* request transport encryption on share */
+	bool nodfs:1;
 	unsigned int rsize;
 	unsigned int wsize;
 	unsigned int sockopt;
@@ -1218,6 +1219,8 @@ cifs_parse_mount_options(char *options, const char *devname,
 			vol->sfu_emul = 1;
 		} else if (strnicmp(data, "nosfu", 5) == 0) {
 			vol->sfu_emul = 0;
+		} else if (strnicmp(data, "nodfs", 5) == 0) {
+			vol->nodfs = 1;
 		} else if (strnicmp(data, "posixpaths", 10) == 0) {
 			vol->posix_paths = 1;
 		} else if (strnicmp(data, "noposixpaths", 12) == 0) {
@@ -2197,6 +2200,12 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 						volume_info.UNC,
 						tcon, cifs_sb->local_nls);
 					cFYI(1, ("CIFS Tcon rc = %d", rc));
+					if (volume_info.nodfs) {
+						tcon->Flags &=
+							~SMB_SHARE_IS_IN_DFS;
+						cFYI(1, ("DFS disabled (%d)",
+							tcon->Flags));
+					}
 				}
 				if (!rc) {
 					atomic_inc(&pSesInfo->inUse);
-- 
GitLab


From 469ee614aaa367d9cde01cbdd2027212f56c6cc6 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 16 Oct 2008 18:46:39 +0000
Subject: [PATCH 0801/2224] [CIFS] eliminate usage of kthread_stop for cifsd

When cifs_demultiplex_thread was converted to a kthread based kernel
thread, great pains were taken to make it so that kthread_stop would be
used to bring it down. This just added unnecessary complexity since we
needed to use a signal anyway to break out of kernel_recvmsg.

Also, cifs_demultiplex_thread does a bit of cleanup as it's exiting, and
we need to be certain that this gets done. It's possible for a kthread
to exit before its main function is ever run if kthread_stop is called
soon after its creation. While I'm not sure that this is a real problem
with cifsd now, it could be at some point in the future if cifs_mount is
ever changed to bring down the thread quickly.

The upshot here is that using kthread_stop to bring down the thread just
adds extra complexity with no real benefit. This patch changes the code
to use the original method to bring down the thread, but still leaves it
so that the thread is actually started with kthread_run.

This seems to fix the deadlock caused by the reproducer in this bug
report:

https://bugzilla.samba.org/show_bug.cgi?id=5720

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/connect.c | 44 +++++++++++++++-----------------------------
 1 file changed, 15 insertions(+), 29 deletions(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 17ca8ce81bb..1126f7ab460 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -125,7 +125,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
 	struct mid_q_entry *mid_entry;
 
 	spin_lock(&GlobalMid_Lock);
-	if (kthread_should_stop()) {
+	if (server->tcpStatus == CifsExiting) {
 		/* the demux thread will exit normally
 		next time through the loop */
 		spin_unlock(&GlobalMid_Lock);
@@ -185,7 +185,8 @@ cifs_reconnect(struct TCP_Server_Info *server)
 	spin_unlock(&GlobalMid_Lock);
 	up(&server->tcpSem);
 
-	while ((!kthread_should_stop()) && (server->tcpStatus != CifsGood)) {
+	while ((server->tcpStatus != CifsExiting) &&
+	       (server->tcpStatus != CifsGood)) {
 		try_to_freeze();
 		if (server->protocolType == IPV6) {
 			rc = ipv6_connect(&server->addr.sockAddr6,
@@ -202,7 +203,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
 		} else {
 			atomic_inc(&tcpSesReconnectCount);
 			spin_lock(&GlobalMid_Lock);
-			if (!kthread_should_stop())
+			if (server->tcpStatus != CifsExiting)
 				server->tcpStatus = CifsGood;
 			server->sequence_number = 0;
 			spin_unlock(&GlobalMid_Lock);
@@ -357,7 +358,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
 				GFP_KERNEL);
 
 	set_freezable();
-	while (!kthread_should_stop()) {
+	while (server->tcpStatus != CifsExiting) {
 		if (try_to_freeze())
 			continue;
 		if (bigbuf == NULL) {
@@ -398,7 +399,7 @@ incomplete_rcv:
 		    kernel_recvmsg(csocket, &smb_msg,
 				&iov, 1, pdu_length, 0 /* BB other flags? */);
 
-		if (kthread_should_stop()) {
+		if (server->tcpStatus == CifsExiting) {
 			break;
 		} else if (server->tcpStatus == CifsNeedReconnect) {
 			cFYI(1, ("Reconnect after server stopped responding"));
@@ -523,7 +524,7 @@ incomplete_rcv:
 		     total_read += length) {
 			length = kernel_recvmsg(csocket, &smb_msg, &iov, 1,
 						pdu_length - total_read, 0);
-			if (kthread_should_stop() ||
+			if ((server->tcpStatus == CifsExiting) ||
 			    (length == -EINTR)) {
 				/* then will exit */
 				reconnect = 2;
@@ -652,14 +653,6 @@ multi_t2_fnd:
 	spin_unlock(&GlobalMid_Lock);
 	wake_up_all(&server->response_q);
 
-	/* don't exit until kthread_stop is called */
-	set_current_state(TASK_UNINTERRUPTIBLE);
-	while (!kthread_should_stop()) {
-		schedule();
-		set_current_state(TASK_UNINTERRUPTIBLE);
-	}
-	set_current_state(TASK_RUNNING);
-
 	/* check if we have blocked requests that need to free */
 	/* Note that cifs_max_pending is normally 50, but
 	can be set at module install time to as little as two */
@@ -2234,14 +2227,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 			spin_lock(&GlobalMid_Lock);
 			srvTcp->tcpStatus = CifsExiting;
 			spin_unlock(&GlobalMid_Lock);
-			if (srvTcp->tsk) {
-				/* If we could verify that kthread_stop would
-				   always wake up processes blocked in
-				   tcp in recv_mesg then we could remove the
-				   send_sig call */
-				force_sig(SIGKILL, srvTcp->tsk);
-				kthread_stop(srvTcp->tsk);
-			}
+			force_sig(SIGKILL, srvTcp->tsk);
 		}
 		 /* If find_unc succeeded then rc == 0 so we can not end */
 		if (tcon)  /* up accidently freeing someone elses tcon struct */
@@ -2255,18 +2241,18 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 					/* if the socketUseCount is now zero */
 					if ((temp_rc == -ESHUTDOWN) &&
 					    (pSesInfo->server) &&
-					    (pSesInfo->server->tsk)) {
+					    (pSesInfo->server->tsk))
 						force_sig(SIGKILL,
 							pSesInfo->server->tsk);
-						kthread_stop(pSesInfo->server->tsk);
-					}
 				} else {
 					cFYI(1, ("No session or bad tcon"));
 					if ((pSesInfo->server) &&
 					    (pSesInfo->server->tsk)) {
+						spin_lock(&GlobalMid_Lock);
+						srvTcp->tcpStatus = CifsExiting;
+						spin_unlock(&GlobalMid_Lock);
 						force_sig(SIGKILL,
 							pSesInfo->server->tsk);
-						kthread_stop(pSesInfo->server->tsk);
 					}
 				}
 				sesInfoFree(pSesInfo);
@@ -3577,10 +3563,8 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
 				return 0;
 			} else if (rc == -ESHUTDOWN) {
 				cFYI(1, ("Waking up socket by sending signal"));
-				if (cifsd_task) {
+				if (cifsd_task)
 					force_sig(SIGKILL, cifsd_task);
-					kthread_stop(cifsd_task);
-				}
 				rc = 0;
 			} /* else - we have an smb session
 				left on this socket do not kill cifsd */
@@ -3710,7 +3694,9 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
 		cERROR(1, ("Send error in SessSetup = %d", rc));
 	} else {
 		cFYI(1, ("CIFS Session Established successfully"));
+			spin_lock(&GlobalMid_Lock);
 			pSesInfo->status = CifsGood;
+			spin_unlock(&GlobalMid_Lock);
 	}
 
 ss_err_exit:
-- 
GitLab


From 0ef9cff15d47b296d4a7feecf36e7989cebf9a33 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Thu, 16 Oct 2008 15:15:35 -0400
Subject: [PATCH 0802/2224] sony-laptop: newline-terminate the printk for
 backlight change failure

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/sony-laptop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 60775be2282..5a97d3a9d74 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -970,7 +970,7 @@ static int sony_nc_resume(struct acpi_device *device)
 	/* set the last requested brightness level */
 	if (sony_backlight_device &&
 			!sony_backlight_update_status(sony_backlight_device))
-		printk(KERN_WARNING DRV_PFX "unable to restore brightness level");
+		printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
 
 	/* re-initialize models with specific requirements */
 	dmi_check_system(sony_nc_ids);
-- 
GitLab


From 26adcfbf00e0726b4469070aa2f530dcf963f484 Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann3@amd.com>
Date: Tue, 14 Oct 2008 21:01:15 +0200
Subject: [PATCH 0803/2224] x86: SB600: skip ACPI IRQ0 override if it is not
 routed to INT2 of IOAPIC

On some more HP laptops BIOS reports an IRQ0 override
but the SB600 chipset is configured such that timer
interrupts go to INT0 of IOAPIC.

Check IRQ0 routing and if it is routed to INT0 of IOAPIC skip the
timer override.

http://bugzilla.kernel.org/show_bug.cgi?id=11715
http://bugzilla.kernel.org/show_bug.cgi?id=11516

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/early-quirks.c | 55 ++++++++++++++++++++++++++++++++--
 1 file changed, 52 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 733c4f8d42e..3ce029ffaa5 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -95,7 +95,8 @@ static void __init nvidia_bugs(int num, int slot, int func)
 
 }
 
-static u32 ati_ixp4x0_rev(int num, int slot, int func)
+#if defined(CONFIG_ACPI) && defined(CONFIG_X86_IO_APIC)
+static u32 __init ati_ixp4x0_rev(int num, int slot, int func)
 {
 	u32 d;
 	u8  b;
@@ -115,7 +116,6 @@ static u32 ati_ixp4x0_rev(int num, int slot, int func)
 
 static void __init ati_bugs(int num, int slot, int func)
 {
-#if defined(CONFIG_ACPI) && defined (CONFIG_X86_IO_APIC)
 	u32 d;
 	u8  b;
 
@@ -138,9 +138,56 @@ static void __init ati_bugs(int num, int slot, int func)
 		printk(KERN_INFO "If you got timer trouble "
 		       "try acpi_use_timer_override\n");
 	}
-#endif
 }
 
+static u32 __init ati_sbx00_rev(int num, int slot, int func)
+{
+	u32 old, d;
+
+	d = read_pci_config(num, slot, func, 0x70);
+	old = d;
+	d &= ~(1<<8);
+	write_pci_config(num, slot, func, 0x70, d);
+	d = read_pci_config(num, slot, func, 0x8);
+	d &= 0xff;
+	write_pci_config(num, slot, func, 0x70, old);
+
+	return d;
+}
+
+static void __init ati_bugs_contd(int num, int slot, int func)
+{
+	u32 d, rev;
+
+	if (acpi_use_timer_override)
+		return;
+
+	rev = ati_sbx00_rev(num, slot, func);
+	if (rev > 0x13)
+		return;
+
+	/* check for IRQ0 interrupt swap */
+	d = read_pci_config(num, slot, func, 0x64);
+	if (!(d & (1<<14)))
+		acpi_skip_timer_override = 1;
+
+	if (acpi_skip_timer_override) {
+		printk(KERN_INFO "SB600 revision 0x%x\n", rev);
+		printk(KERN_INFO "Ignoring ACPI timer override.\n");
+		printk(KERN_INFO "If you got timer trouble "
+		       "try acpi_use_timer_override\n");
+	}
+}
+#else
+static void __init ati_bugs(int num, int slot, int func)
+{
+}
+
+static void __init ati_bugs_contd(int num, int slot, int func)
+{
+}
+#endif
+
 #ifdef CONFIG_DMAR
 static void __init intel_g33_dmar(int num, int slot, int func)
 {
@@ -176,6 +223,8 @@ static struct chipset early_qrk[] __initdata = {
 	  PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, fix_hypertransport_config },
 	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS,
 	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs },
+	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
+	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
 #ifdef CONFIG_DMAR
 	{ PCI_VENDOR_ID_INTEL, 0x29c0,
 	  PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, intel_g33_dmar },
-- 
GitLab


From 00269b54edbf25f3bb0dccb558ae23a6fc77ed86 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <dada1@cosmosbay.com>
Date: Thu, 16 Oct 2008 14:18:29 -0700
Subject: [PATCH 0804/2224] ipv4: Add a missing rcu_assign_pointer() in routing
 cache.

rt_intern_hash() is doing an update of a RCU guarded hash chain
without using rcu_assign_pointer() or equivalent barrier.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/route.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a6d7c584f53..8d23cc7efba 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1109,7 +1109,12 @@ restart:
 		printk("\n");
 	}
 #endif
-	rt_hash_table[hash].chain = rt;
+	/*
+	 * Since lookup is lockfree, we must make sure
+	 * previous writes to rt are comitted to memory
+	 * before making rt visible to other CPUS.
+	 */
+	rcu_assign_pointer(rt_hash_table[hash].chain, rt);
 	spin_unlock_bh(rt_hash_lock_addr(hash));
 	*rp = rt;
 	return 0;
-- 
GitLab


From 887e301aa1105326f1412a98749024263b1031c7 Mon Sep 17 00:00:00 2001
From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Date: Mon, 29 Sep 2008 15:24:27 -0700
Subject: [PATCH 0805/2224] cpuidle: use last_state which can reflect the
 actual state entered

cpuidle accounts the idle time for the C-state it was trying to enter and
not to the actual state that the driver eventually entered. The driver may
select a different state than the one chosen by cpuidle due to
constraints like bus-mastering, etc.

Change the time acounting code to look at the dev->last_state after
returning from target_state->enter(). Driver can modify dev->last_state
internally, inside the enter routine to reflect the actual C-state
entered.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Tested-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/cpuidle/cpuidle.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 5ce07b517c5..eb2cade562d 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -67,8 +67,11 @@ static void cpuidle_idle_call(void)
 	target_state = &dev->states[next_state];
 
 	/* enter the state and update stats */
-	dev->last_residency = target_state->enter(dev, target_state);
 	dev->last_state = target_state;
+	dev->last_residency = target_state->enter(dev, target_state);
+	if (dev->last_state)
+		target_state = dev->last_state;
+
 	target_state->time += (unsigned long long)dev->last_residency;
 	target_state->usage++;
 
-- 
GitLab


From addbad46ed0906cd584784423b9d0babc7476446 Mon Sep 17 00:00:00 2001
From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Date: Mon, 29 Sep 2008 15:24:28 -0700
Subject: [PATCH 0806/2224] cpuidle: update the last_state acpi cpuidle
 reflecting actual state entered

reflect the actual state entered in dev->last_state, when actaul state entered
is different from intended one.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/processor_idle.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index cf5b1b7b684..81b40ed5379 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1587,6 +1587,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 
 	if (acpi_idle_bm_check()) {
 		if (dev->safe_state) {
+			dev->last_state = dev->safe_state;
 			return dev->safe_state->enter(dev, dev->safe_state);
 		} else {
 			local_irq_disable();
-- 
GitLab


From c0ff17720ec5f42205b3d2ca03a18da0a8272976 Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Thu, 16 Oct 2008 02:02:33 +0400
Subject: [PATCH 0807/2224] ACPI: EC: Check for IBF=0 periodically if not in
 GPE mode

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/ec.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 453ba1e534e..444cd9ed12c 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -298,6 +298,18 @@ static int ec_check_ibf0(struct acpi_ec *ec)
 	return (status & ACPI_EC_FLAG_IBF) == 0;
 }
 
+static int ec_wait_ibf0(struct acpi_ec *ec)
+{
+	unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);
+	/* interrupt wait manually if GPE mode is not active */
+	unsigned long timeout = test_bit(EC_FLAGS_GPE_MODE, &ec->flags) ?
+		msecs_to_jiffies(ACPI_EC_DELAY) : msecs_to_jiffies(1);
+	while (time_before(jiffies, delay))
+		if (wait_event_timeout(ec->wait, ec_check_ibf0(ec), timeout))
+			return 0;
+	return -ETIME;
+}
+
 static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t,
 			       int force_poll)
 {
@@ -315,8 +327,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t,
 			goto unlock;
 		}
 	}
-	if (!wait_event_timeout(ec->wait, ec_check_ibf0(ec),
-				msecs_to_jiffies(ACPI_EC_DELAY))) {
+	if (ec_wait_ibf0(ec)) {
 		pr_err(PREFIX "input buffer is not empty, "
 				"aborting transaction\n");
 		status = -ETIME;
-- 
GitLab


From 95a5afca4a8d2e1cb77e1d4bc6ff9f718dc32f7a Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 16 Oct 2008 15:24:51 -0700
Subject: [PATCH 0808/2224] net: Remove CONFIG_KMOD from net/ (towards removing
 CONFIG_KMOD entirely)

Some code here depends on CONFIG_KMOD to not try to load
protocol modules or similar, replace by CONFIG_MODULES
where more than just request_module depends on CONFIG_KMOD
and and also use try_then_request_module in ebtables.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bluetooth/af_bluetooth.c         |  8 +-------
 net/bridge/netfilter/ebtables.c      | 15 +++------------
 net/can/af_can.c                     |  4 ++--
 net/core/dev.c                       |  2 --
 net/core/rtnetlink.c                 |  4 ++--
 net/dccp/ccid.c                      |  2 +-
 net/decnet/dn_dev.c                  |  2 --
 net/ipv4/devinet.c                   |  2 --
 net/ipv4/inet_diag.c                 |  2 --
 net/ipv4/tcp_cong.c                  |  4 ++--
 net/netfilter/nf_conntrack_netlink.c |  2 +-
 net/netfilter/nfnetlink.c            |  2 +-
 net/netlink/af_netlink.c             |  2 +-
 net/phonet/af_phonet.c               |  3 +--
 net/sched/act_api.c                  |  2 +-
 net/sched/cls_api.c                  |  2 +-
 net/sched/ematch.c                   |  2 +-
 net/sched/sch_api.c                  |  2 +-
 net/socket.c                         |  2 +-
 net/sunrpc/auth.c                    |  2 --
 20 files changed, 20 insertions(+), 46 deletions(-)

diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index f6348e078aa..8f9431a12c6 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -37,10 +37,7 @@
 #include <linux/poll.h>
 #include <net/sock.h>
 #include <asm/ioctls.h>
-
-#if defined(CONFIG_KMOD)
 #include <linux/kmod.h>
-#endif
 
 #include <net/bluetooth/bluetooth.h>
 
@@ -145,11 +142,8 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto)
 	if (proto < 0 || proto >= BT_MAX_PROTO)
 		return -EINVAL;
 
-#if defined(CONFIG_KMOD)
-	if (!bt_proto[proto]) {
+	if (!bt_proto[proto])
 		request_module("bt-proto-%d", proto);
-	}
-#endif
 
 	err = -EPROTONOSUPPORT;
 
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 5bb88eb0aad..0fa208e8640 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -305,23 +305,14 @@ find_inlist_lock_noload(struct list_head *head, const char *name, int *error,
 	return NULL;
 }
 
-#ifndef CONFIG_KMOD
-#define find_inlist_lock(h,n,p,e,m) find_inlist_lock_noload((h),(n),(e),(m))
-#else
 static void *
 find_inlist_lock(struct list_head *head, const char *name, const char *prefix,
    int *error, struct mutex *mutex)
 {
-	void *ret;
-
-	ret = find_inlist_lock_noload(head, name, error, mutex);
-	if (!ret) {
-		request_module("%s%s", prefix, name);
-		ret = find_inlist_lock_noload(head, name, error, mutex);
-	}
-	return ret;
+	return try_then_request_module(
+			find_inlist_lock_noload(head, name, error, mutex),
+			"%s%s", prefix, name);
 }
-#endif
 
 static inline struct ebt_table *
 find_table_lock(const char *name, int *error, struct mutex *mutex)
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 8035fbf526a..7d4d2b3c137 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -128,8 +128,8 @@ static int can_create(struct net *net, struct socket *sock, int protocol)
 	if (net != &init_net)
 		return -EAFNOSUPPORT;
 
-#ifdef CONFIG_KMOD
-	/* try to load protocol module, when CONFIG_KMOD is defined */
+#ifdef CONFIG_MODULES
+	/* try to load protocol module kernel is modular */
 	if (!proto_tab[protocol]) {
 		err = request_module("can-proto-%d", protocol);
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 1408a083fe4..868ec0ba8b7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4956,8 +4956,6 @@ EXPORT_SYMBOL(br_fdb_get_hook);
 EXPORT_SYMBOL(br_fdb_put_hook);
 #endif
 
-#ifdef CONFIG_KMOD
 EXPORT_SYMBOL(dev_load);
-#endif
 
 EXPORT_PER_CPU_SYMBOL(softnet_data);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 3630131fa1f..31f29d2989f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1040,7 +1040,7 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	struct nlattr *linkinfo[IFLA_INFO_MAX+1];
 	int err;
 
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 replay:
 #endif
 	err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
@@ -1129,7 +1129,7 @@ replay:
 			return -EOPNOTSUPP;
 
 		if (!ops) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 			if (kind[0]) {
 				__rtnl_unlock();
 				request_module("rtnl-link-%s", kind);
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 4809753d12a..8fe931a3d7a 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -154,7 +154,7 @@ struct ccid *ccid_new(unsigned char id, struct sock *sk, int rx, gfp_t gfp)
 	struct ccid *ccid = NULL;
 
 	ccids_read_lock();
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 	if (ccids[id] == NULL) {
 		/* We only try to load if in process context */
 		ccids_read_unlock();
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index ba352588e34..4fd4a4f74e8 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -490,9 +490,7 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
 		return -EFAULT;
 	ifr->ifr_name[IFNAMSIZ-1] = 0;
 
-#ifdef CONFIG_KMOD
 	dev_load(&init_net, ifr->ifr_name);
-#endif
 
 	switch(cmd) {
 		case SIOCGIFADDR:
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index b12dae2b0b2..abef49376ac 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -613,9 +613,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 	if (colon)
 		*colon = 0;
 
-#ifdef CONFIG_KMOD
 	dev_load(net, ifr.ifr_name);
-#endif
 
 	switch (cmd) {
 	case SIOCGIFADDR:	/* Get interface address */
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 89cb047ab31..564230dabcb 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -53,11 +53,9 @@ static DEFINE_MUTEX(inet_diag_table_mutex);
 
 static const struct inet_diag_handler *inet_diag_lock_handler(int type)
 {
-#ifdef CONFIG_KMOD
 	if (!inet_diag_table[type])
 		request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
 			       NETLINK_INET_DIAG, type);
-#endif
 
 	mutex_lock(&inet_diag_table_mutex);
 	if (!inet_diag_table[type])
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 6a250828b76..4ec5b4e97c4 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -115,7 +115,7 @@ int tcp_set_default_congestion_control(const char *name)
 
 	spin_lock(&tcp_cong_list_lock);
 	ca = tcp_ca_find(name);
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 	if (!ca && capable(CAP_SYS_MODULE)) {
 		spin_unlock(&tcp_cong_list_lock);
 
@@ -244,7 +244,7 @@ int tcp_set_congestion_control(struct sock *sk, const char *name)
 	if (ca == icsk->icsk_ca_ops)
 		goto out;
 
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 	/* not found attempt to autoload module */
 	if (!ca && capable(CAP_SYS_MODULE)) {
 		rcu_read_unlock();
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 08e82d64eb6..2e4ad9671e1 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -822,7 +822,7 @@ ctnetlink_parse_nat_setup(struct nf_conn *ct,
 
 	parse_nat_setup = rcu_dereference(nfnetlink_parse_nat_setup_hook);
 	if (!parse_nat_setup) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 		rcu_read_unlock();
 		nfnl_unlock();
 		if (request_module("nf-nat-ipv4") < 0) {
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 4739f9f961d..9c0ba17a1dd 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -137,7 +137,7 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 replay:
 	ss = nfnetlink_get_subsys(type);
 	if (!ss) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 		nfnl_unlock();
 		request_module("nfnetlink-subsys-%d", NFNL_SUBSYS_ID(type));
 		nfnl_lock();
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 2fd8afac5f7..480184a857d 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -435,7 +435,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol)
 		return -EPROTONOSUPPORT;
 
 	netlink_lock_table();
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 	if (!nl_table[protocol].registered) {
 		netlink_unlock_table();
 		request_module("net-pf-%d-proto-%d", PF_NETLINK, protocol);
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 9e9c6fce11a..b9d97effebe 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -67,11 +67,10 @@ static int pn_socket_create(struct net *net, struct socket *sock, int protocol)
 	}
 
 	pnp = phonet_proto_get(protocol);
-#ifdef CONFIG_KMOD
 	if (pnp == NULL &&
 	    request_module("net-pf-%d-proto-%d", PF_PHONET, protocol) == 0)
 		pnp = phonet_proto_get(protocol);
-#endif
+
 	if (pnp == NULL)
 		return -EPROTONOSUPPORT;
 	if (sock->type != pnp->sock_type) {
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 9974b3f04f0..8f457f1e0ac 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -494,7 +494,7 @@ struct tc_action *tcf_action_init_1(struct nlattr *nla, struct nlattr *est,
 
 	a_o = tc_lookup_action_n(act_name);
 	if (a_o == NULL) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 		rtnl_unlock();
 		request_module("act_%s", act_name);
 		rtnl_lock();
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 8eb79e92e94..16e7ac9774e 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -227,7 +227,7 @@ replay:
 		err = -ENOENT;
 		tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND]);
 		if (tp_ops == NULL) {
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 			struct nlattr *kind = tca[TCA_KIND];
 			char name[IFNAMSIZ];
 
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 5e6f82e0e6f..e82519e548d 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -224,7 +224,7 @@ static int tcf_em_validate(struct tcf_proto *tp,
 
 		if (em->ops == NULL) {
 			err = -ENOENT;
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 			__rtnl_unlock();
 			request_module("ematch-kind-%u", em_hdr->kind);
 			rtnl_lock();
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 1122c952aa9..b16ad2972c6 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -764,7 +764,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
 	struct qdisc_size_table *stab;
 
 	ops = qdisc_lookup_ops(kind);
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 	if (ops == NULL && kind != NULL) {
 		char name[IFNAMSIZ];
 		if (nla_strlcpy(name, kind, IFNAMSIZ) < IFNAMSIZ) {
diff --git a/net/socket.c b/net/socket.c
index 3e8d4e35c08..2b7a4b5c9b7 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1142,7 +1142,7 @@ static int __sock_create(struct net *net, int family, int type, int protocol,
 
 	sock->type = type;
 
-#if defined(CONFIG_KMOD)
+#ifdef CONFIG_MODULES
 	/* Attempt to load a protocol module if the find failed.
 	 *
 	 * 12/09/1996 Marcin: But! this makes REALLY only sense, if the user
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 6bfea9ed686..436bf1b4b76 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -83,10 +83,8 @@ rpcauth_create(rpc_authflavor_t pseudoflavor, struct rpc_clnt *clnt)
 	if (flavor >= RPC_AUTH_MAXFLAVOR)
 		goto out;
 
-#ifdef CONFIG_KMOD
 	if ((ops = auth_flavors[flavor]) == NULL)
 		request_module("rpc-auth-%u", flavor);
-#endif
 	spin_lock(&rpc_authflavor_lock);
 	ops = auth_flavors[flavor];
 	if (ops == NULL || !try_module_get(ops->owner)) {
-- 
GitLab


From 7b49d9548e59bbb23cd8bd433ca30125eb28987e Mon Sep 17 00:00:00 2001
From: Roland Dreier <rolandd@cisco.com>
Date: Thu, 16 Oct 2008 15:39:14 -0700
Subject: [PATCH 0809/2224] Update NetEffect maintainer emails to Intel emails

Intel acquired NetEffect, so update the nes driver maintainer contacts
to the new @intel.com addresses.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 MAINTAINERS | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 8dae4555f10..a47bff2a436 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2899,9 +2899,9 @@ S:	Maintained
 
 NETEFFECT IWARP RNIC DRIVER (IW_NES)
 P:	Faisal Latif
-M:	flatif@neteffect.com
+M:	faisal.latif@intel.com
 P:	Chien Tung
-M:	ctung@neteffect.com
+M:	chien.tin.tung@intel.com
 L:	general@lists.openfabrics.org
 W:	http://www.neteffect.com
 S:	Supported
-- 
GitLab


From 89cedfefca1d446ee2598fd3bcbb23ee3802e26a Mon Sep 17 00:00:00 2001
From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Date: Thu, 16 Oct 2008 19:00:08 -0400
Subject: [PATCH 0810/2224] cpuidle: upon BIOS bug, default to default_idle
 rather than polling

http://bugzilla.kernel.org/show_bug.cgi?id=11345

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/Kconfig          | 3 +++
 drivers/cpuidle/cpuidle.c | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ed92864d132..f8caf040650 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -123,6 +123,9 @@ config GENERIC_TIME_VSYSCALL
 config ARCH_HAS_CPU_RELAX
 	def_bool y
 
+config ARCH_HAS_DEFAULT_IDLE
+	def_bool y
+
 config ARCH_HAS_CACHE_LINE_SIZE
 	def_bool y
 
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index eb2cade562d..bb6e3b33804 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -56,7 +56,11 @@ static void cpuidle_idle_call(void)
 		if (pm_idle_old)
 			pm_idle_old();
 		else
+#if defined(CONFIG_ARCH_HAS_DEFAULT_IDLE)
+			default_idle();
+#else
 			local_irq_enable();
+#endif
 		return;
 	}
 
-- 
GitLab


From 5128273a326679970b9196a27ff812670927c1c4 Mon Sep 17 00:00:00 2001
From: Eric Sesterhenn <snakebyte@gmx.de>
Date: Fri, 17 Oct 2008 09:16:19 -0400
Subject: [PATCH 0811/2224] ext4: Add missing newlines to printk messages

There are some newlines missing in ext4_check_descriptors, which
cause the printk level to be printed out when the next printk call
is made:

[  778.847265] EXT4-fs: ext4_check_descriptors: Block bitmap for group 0
not in group (block 1509949442)!<3>EXT4-fs: group descriptors corrupted!
[  802.646630] EXT4-fs: ext4_check_descriptors: Inode bitmap for group 0
not in group (block 9043971)!<3>EXT4-fs: group descriptors corrupted!

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/super.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4f41107021c..a97e9ebe3b6 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1618,14 +1618,14 @@ static int ext4_check_descriptors(struct super_block *sb)
 		if (block_bitmap < first_block || block_bitmap > last_block) {
 			printk(KERN_ERR "EXT4-fs: ext4_check_descriptors: "
 			       "Block bitmap for group %lu not in group "
-			       "(block %llu)!", i, block_bitmap);
+			       "(block %llu)!\n", i, block_bitmap);
 			return 0;
 		}
 		inode_bitmap = ext4_inode_bitmap(sb, gdp);
 		if (inode_bitmap < first_block || inode_bitmap > last_block) {
 			printk(KERN_ERR "EXT4-fs: ext4_check_descriptors: "
 			       "Inode bitmap for group %lu not in group "
-			       "(block %llu)!", i, inode_bitmap);
+			       "(block %llu)!\n", i, inode_bitmap);
 			return 0;
 		}
 		inode_table = ext4_inode_table(sb, gdp);
@@ -1633,7 +1633,7 @@ static int ext4_check_descriptors(struct super_block *sb)
 		    inode_table + sbi->s_itb_per_group - 1 > last_block) {
 			printk(KERN_ERR "EXT4-fs: ext4_check_descriptors: "
 			       "Inode table for group %lu not in group "
-			       "(block %llu)!", i, inode_table);
+			       "(block %llu)!\n", i, inode_table);
 			return 0;
 		}
 		spin_lock(sb_bgl_lock(sbi, i));
-- 
GitLab


From 0b09923eabd92f11a8b272dd3fd0347332d0e1e2 Mon Sep 17 00:00:00 2001
From: Manish Katiyar <mkatiyar@gmail.com>
Date: Fri, 17 Oct 2008 14:58:45 -0400
Subject: [PATCH 0812/2224] ext4: Remove compile warnings when building w/o
 CONFIG_PROC_FS

Signed-off-by: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/mballoc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 815a22ea607..da1da1fe2b1 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2720,6 +2720,7 @@ ext4_mb_free_committed_blocks(struct super_block *sb)
 
 static int ext4_mb_init_per_dev_proc(struct super_block *sb)
 {
+#ifdef CONFIG_PROC_FS
 	mode_t mode = S_IFREG | S_IRUGO | S_IWUSR;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct proc_dir_entry *proc;
@@ -2743,10 +2744,14 @@ err_out:
 	remove_proc_entry(EXT4_MB_MAX_TO_SCAN_NAME, sbi->s_proc);
 	remove_proc_entry(EXT4_MB_STATS_NAME, sbi->s_proc);
 	return -ENOMEM;
+#else
+	return 0;
+#endif
 }
 
 static int ext4_mb_destroy_per_dev_proc(struct super_block *sb)
 {
+#ifdef CONFIG_PROC_FS
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 
 	if (sbi->s_proc == NULL)
@@ -2758,7 +2763,7 @@ static int ext4_mb_destroy_per_dev_proc(struct super_block *sb)
 	remove_proc_entry(EXT4_MB_MIN_TO_SCAN_NAME, sbi->s_proc);
 	remove_proc_entry(EXT4_MB_MAX_TO_SCAN_NAME, sbi->s_proc);
 	remove_proc_entry(EXT4_MB_STATS_NAME, sbi->s_proc);
-
+#endif
 	return 0;
 }
 
-- 
GitLab


From 01436ef2e4710317f826c4893b31c07b2d8df88c Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 17 Oct 2008 07:22:35 -0400
Subject: [PATCH 0813/2224] ext4: Remove unused mount options: nomballoc,
 mballoc, nocheck

These mount options don't actually do anything any more, so remove
them.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ext4.h  |  1 -
 fs/ext4/super.c | 11 ++---------
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 6690a41cdd9..4880cc3e672 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -511,7 +511,6 @@ do {									       \
 /*
  * Mount flags
  */
-#define EXT4_MOUNT_CHECK		0x00001	/* Do mount-time checks */
 #define EXT4_MOUNT_OLDALLOC		0x00002  /* Don't use the new Orlov allocator */
 #define EXT4_MOUNT_GRPID		0x00004	/* Create files with directory's group */
 #define EXT4_MOUNT_DEBUG		0x00008	/* Some debugging messages */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a97e9ebe3b6..95127f03d1f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -904,7 +904,7 @@ static const struct export_operations ext4_export_ops = {
 enum {
 	Opt_bsd_df, Opt_minix_df, Opt_grpid, Opt_nogrpid,
 	Opt_resgid, Opt_resuid, Opt_sb, Opt_err_cont, Opt_err_panic, Opt_err_ro,
-	Opt_nouid32, Opt_nocheck, Opt_debug, Opt_oldalloc, Opt_orlov,
+	Opt_nouid32, Opt_debug, Opt_oldalloc, Opt_orlov,
 	Opt_user_xattr, Opt_nouser_xattr, Opt_acl, Opt_noacl,
 	Opt_reservation, Opt_noreservation, Opt_noload, Opt_nobh, Opt_bh,
 	Opt_commit, Opt_journal_update, Opt_journal_inum, Opt_journal_dev,
@@ -915,7 +915,7 @@ enum {
 	Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
 	Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
 	Opt_grpquota, Opt_extents, Opt_noextents, Opt_i_version,
-	Opt_mballoc, Opt_nomballoc, Opt_stripe, Opt_delalloc, Opt_nodelalloc,
+	Opt_stripe, Opt_delalloc, Opt_nodelalloc,
 	Opt_inode_readahead_blks
 };
 
@@ -933,8 +933,6 @@ static const match_table_t tokens = {
 	{Opt_err_panic, "errors=panic"},
 	{Opt_err_ro, "errors=remount-ro"},
 	{Opt_nouid32, "nouid32"},
-	{Opt_nocheck, "nocheck"},
-	{Opt_nocheck, "check=none"},
 	{Opt_debug, "debug"},
 	{Opt_oldalloc, "oldalloc"},
 	{Opt_orlov, "orlov"},
@@ -973,8 +971,6 @@ static const match_table_t tokens = {
 	{Opt_extents, "extents"},
 	{Opt_noextents, "noextents"},
 	{Opt_i_version, "i_version"},
-	{Opt_mballoc, "mballoc"},
-	{Opt_nomballoc, "nomballoc"},
 	{Opt_stripe, "stripe=%u"},
 	{Opt_resize, "resize"},
 	{Opt_delalloc, "delalloc"},
@@ -1073,9 +1069,6 @@ static int parse_options(char *options, struct super_block *sb,
 		case Opt_nouid32:
 			set_opt(sbi->s_mount_opt, NO_UID32);
 			break;
-		case Opt_nocheck:
-			clear_opt(sbi->s_mount_opt, CHECK);
-			break;
 		case Opt_debug:
 			set_opt(sbi->s_mount_opt, DEBUG);
 			break;
-- 
GitLab


From 22359f5745eb26bd3205a1ede7968c8944398220 Mon Sep 17 00:00:00 2001
From: Diego Calleja <diegocg@gmail.com>
Date: Fri, 17 Oct 2008 09:15:14 -0400
Subject: [PATCH 0814/2224] ext4: Update Documentation/filesystems/ext4.txt

Since Ext4 is supposed to be stable in 2.6.28-rc, ext4's documentation
file should be updated.

[ More updates also added by Theodore Ts'o. ]

Signed-off-by: Diego Calleja <diegocg@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 Documentation/filesystems/ext4.txt | 32 ++++++++++++++----------------
 1 file changed, 15 insertions(+), 17 deletions(-)

diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index eb154ef36c2..174eaff7ded 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -2,19 +2,24 @@
 Ext4 Filesystem
 ===============
 
-This is a development version of the ext4 filesystem, an advanced level
-of the ext3 filesystem which incorporates scalability and reliability
-enhancements for supporting large filesystems (64 bit) in keeping with
-increasing disk capacities and state-of-the-art feature requirements.
+Ext4 is an an advanced level of the ext3 filesystem which incorporates
+scalability and reliability enhancements for supporting large filesystems
+(64 bit) in keeping with increasing disk capacities and state-of-the-art
+feature requirements.
 
-Mailing list: linux-ext4@vger.kernel.org
+Mailing list:	linux-ext4@vger.kernel.org
+Web site:	http://ext4.wiki.kernel.org
 
 
 1. Quick usage instructions:
 ===========================
 
+Note: More extensive information for getting started with ext4 can be
+      found at the ext4 wiki site at the URL:
+      http://ext4.wiki.kernel.org/index.php/Ext4_Howto
+
   - Compile and install the latest version of e2fsprogs (as of this
-    writing version 1.41) from:
+    writing version 1.41.3) from:
 
     http://sourceforge.net/project/showfiles.php?group_id=2406
 	
@@ -36,11 +41,9 @@ Mailing list: linux-ext4@vger.kernel.org
 
     	# mke2fs -t ext4 /dev/hda1
 
-    Or configure an existing ext3 filesystem to support extents and set
-    the test_fs flag to indicate that it's ok for an in-development
-    filesystem to touch this filesystem:
+    Or to configure an existing ext3 filesystem to support extents: 
 
-	# tune2fs -O extents -E test_fs /dev/hda1
+	# tune2fs -O extents /dev/hda1
 
     If the filesystem was created with 128 byte inodes, it can be
     converted to use 256 byte for greater efficiency via:
@@ -104,8 +107,8 @@ exist yet so I'm not sure they're in the near-term roadmap.
 The big performance win will come with mballoc, delalloc and flex_bg
 grouping of bitmaps and inode tables.  Some test results available here:
 
- - http://www.bullopensource.org/ext4/20080530/ffsb-write-2.6.26-rc2.html
- - http://www.bullopensource.org/ext4/20080530/ffsb-readwrite-2.6.26-rc2.html
+ - http://www.bullopensource.org/ext4/20080818-ffsb/ffsb-write-2.6.27-rc1.html
+ - http://www.bullopensource.org/ext4/20080818-ffsb/ffsb-readwrite-2.6.27-rc1.html
 
 3. Options
 ==========
@@ -214,9 +217,6 @@ noreservation
 bsddf		(*)	Make 'df' act like BSD.
 minixdf			Make 'df' act like Minix.
 
-check=none		Don't do extra checking of bitmaps on mount.
-nocheck
-
 debug			Extra debugging information is sent to syslog.
 
 errors=remount-ro(*)	Remount the filesystem read-only on an error.
@@ -253,8 +253,6 @@ nobh			(a) cache disk block mapping information
 			"nobh" option tries to avoid associating buffer
 			heads (supported only for "writeback" mode).
 
-mballoc		(*)	Use the multiple block allocator for block allocation
-nomballoc		disabled multiple block allocator for block allocation.
 stripe=n		Number of filesystem blocks that mballoc will try
 			to use for allocation size and alignment. For RAID5/6
 			systems this should be the number of data
-- 
GitLab


From 3e624fc72fba09b6f999a9fbb87b64efccd38036 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 16 Oct 2008 20:00:24 -0400
Subject: [PATCH 0815/2224] ext4: Replace hackish ext4_mb_poll_new_transaction
 with commit callback

The multiblock allocator needs to be able to release blocks (and issue
a blkdev discard request) when the transaction which freed those
blocks is committed.  Previously this was done via a polling mechanism
when blocks are allocated or freed.  A much better way of doing things
is to create a jbd2 callback function and attaching the list of blocks
to be freed directly to the transaction structure.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/ext4_sb.h     |  3 --
 fs/ext4/mballoc.c     | 85 ++++++++-----------------------------------
 fs/ext4/mballoc.h     |  3 +-
 fs/jbd2/commit.c      |  3 ++
 fs/jbd2/transaction.c |  1 +
 include/linux/jbd2.h  |  9 +++++
 6 files changed, 29 insertions(+), 75 deletions(-)

diff --git a/fs/ext4/ext4_sb.h b/fs/ext4/ext4_sb.h
index 6a0b40d4326..445fde603df 100644
--- a/fs/ext4/ext4_sb.h
+++ b/fs/ext4/ext4_sb.h
@@ -99,9 +99,6 @@ struct ext4_sb_info {
 	struct inode *s_buddy_cache;
 	long s_blocks_reserved;
 	spinlock_t s_reserve_lock;
-	struct list_head s_active_transaction;
-	struct list_head s_closed_transaction;
-	struct list_head s_committed_transaction;
 	spinlock_t s_md_lock;
 	tid_t s_last_transaction;
 	unsigned short *s_mb_offsets, *s_mb_maxs;
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index da1da1fe2b1..dfe17a13405 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2523,9 +2523,6 @@ int ext4_mb_init(struct super_block *sb, int needs_recovery)
 	}
 
 	spin_lock_init(&sbi->s_md_lock);
-	INIT_LIST_HEAD(&sbi->s_active_transaction);
-	INIT_LIST_HEAD(&sbi->s_closed_transaction);
-	INIT_LIST_HEAD(&sbi->s_committed_transaction);
 	spin_lock_init(&sbi->s_bal_lock);
 
 	sbi->s_mb_max_to_scan = MB_DEFAULT_MAX_TO_SCAN;
@@ -2554,6 +2551,8 @@ int ext4_mb_init(struct super_block *sb, int needs_recovery)
 	ext4_mb_init_per_dev_proc(sb);
 	ext4_mb_history_init(sb);
 
+	sbi->s_journal->j_commit_callback = release_blocks_on_commit;
+
 	printk(KERN_INFO "EXT4-fs: mballoc enabled\n");
 	return 0;
 }
@@ -2583,15 +2582,6 @@ int ext4_mb_release(struct super_block *sb)
 	struct ext4_group_info *grinfo;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 
-	/* release freed, non-committed blocks */
-	spin_lock(&sbi->s_md_lock);
-	list_splice_init(&sbi->s_closed_transaction,
-			&sbi->s_committed_transaction);
-	list_splice_init(&sbi->s_active_transaction,
-			&sbi->s_committed_transaction);
-	spin_unlock(&sbi->s_md_lock);
-	ext4_mb_free_committed_blocks(sb);
-
 	if (sbi->s_group_info) {
 		for (i = 0; i < sbi->s_groups_count; i++) {
 			grinfo = ext4_get_group_info(sb, i);
@@ -2645,36 +2635,25 @@ int ext4_mb_release(struct super_block *sb)
 	return 0;
 }
 
-static noinline_for_stack void
-ext4_mb_free_committed_blocks(struct super_block *sb)
+/*
+ * This function is called by the jbd2 layer once the commit has finished,
+ * so we know we can free the blocks that were released with that commit.
+ */
+static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
 {
+	struct super_block *sb = journal->j_private;
 	struct ext4_buddy e4b;
 	struct ext4_group_info *db;
-	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	int err, count = 0, count2 = 0;
 	struct ext4_free_data *entry;
 	ext4_fsblk_t discard_block;
+	struct list_head *l, *ltmp;
 
-	if (list_empty(&sbi->s_committed_transaction))
-		return;
-
-	/* there is committed blocks to be freed yet */
-	do {
-		/* get next array of blocks */
-		entry = NULL;
-		spin_lock(&sbi->s_md_lock);
-		if (!list_empty(&sbi->s_committed_transaction)) {
-			entry = list_entry(sbi->s_committed_transaction.next,
-					struct ext4_free_data, list);
-			list_del(&entry->list);
-		}
-		spin_unlock(&sbi->s_md_lock);
-
-		if (entry == NULL)
-			break;
+	list_for_each_safe(l, ltmp, &txn->t_private_list) {
+		entry = list_entry(l, struct ext4_free_data, list);
 
 		mb_debug("gonna free %u blocks in group %lu (0x%p):",
-				entry->count, entry->group, entry);
+			 entry->count, entry->group, entry);
 
 		err = ext4_mb_load_buddy(sb, entry->group, &e4b);
 		/* we expect to find existing buddy because it's pinned */
@@ -2706,7 +2685,7 @@ ext4_mb_free_committed_blocks(struct super_block *sb)
 
 		kmem_cache_free(ext4_free_ext_cachep, entry);
 		ext4_mb_release_desc(&e4b);
-	} while (1);
+	}
 
 	mb_debug("freed %u blocks in %u structures\n", count, count2);
 }
@@ -4348,8 +4327,6 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
 		goto out1;
 	}
 
-	ext4_mb_poll_new_transaction(sb, handle);
-
 	*errp = ext4_mb_initialize_context(ac, ar);
 	if (*errp) {
 		ar->len = 0;
@@ -4408,36 +4385,6 @@ out1:
 
 	return block;
 }
-static void ext4_mb_poll_new_transaction(struct super_block *sb,
-						handle_t *handle)
-{
-	struct ext4_sb_info *sbi = EXT4_SB(sb);
-
-	if (sbi->s_last_transaction == handle->h_transaction->t_tid)
-		return;
-
-	/* new transaction! time to close last one and free blocks for
-	 * committed transaction. we know that only transaction can be
-	 * active, so previos transaction can be being logged and we
-	 * know that transaction before previous is known to be already
-	 * logged. this means that now we may free blocks freed in all
-	 * transactions before previous one. hope I'm clear enough ... */
-
-	spin_lock(&sbi->s_md_lock);
-	if (sbi->s_last_transaction != handle->h_transaction->t_tid) {
-		mb_debug("new transaction %lu, old %lu\n",
-				(unsigned long) handle->h_transaction->t_tid,
-				(unsigned long) sbi->s_last_transaction);
-		list_splice_init(&sbi->s_closed_transaction,
-				&sbi->s_committed_transaction);
-		list_splice_init(&sbi->s_active_transaction,
-				&sbi->s_closed_transaction);
-		sbi->s_last_transaction = handle->h_transaction->t_tid;
-	}
-	spin_unlock(&sbi->s_md_lock);
-
-	ext4_mb_free_committed_blocks(sb);
-}
 
 /*
  * We can merge two free data extents only if the physical blocks
@@ -4531,9 +4478,9 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
 			kmem_cache_free(ext4_free_ext_cachep, entry);
 		}
 	}
-	/* Add the extent to active_transaction list */
+	/* Add the extent to transaction's private list */
 	spin_lock(&sbi->s_md_lock);
-	list_add(&new_entry->list, &sbi->s_active_transaction);
+	list_add(&new_entry->list, &handle->h_transaction->t_private_list);
 	spin_unlock(&sbi->s_md_lock);
 	ext4_unlock_group(sb, group);
 	return 0;
@@ -4562,8 +4509,6 @@ void ext4_mb_free_blocks(handle_t *handle, struct inode *inode,
 
 	*freed = 0;
 
-	ext4_mb_poll_new_transaction(sb, handle);
-
 	sbi = EXT4_SB(sb);
 	es = EXT4_SB(sb)->s_es;
 	if (block < le32_to_cpu(es->s_first_data_block) ||
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 94cb7b9fe3e..b5dff1fff1e 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -269,8 +269,6 @@ struct buffer_head *read_block_bitmap(struct super_block *, ext4_group_t);
 
 static void ext4_mb_generate_from_pa(struct super_block *sb, void *bitmap,
 					ext4_group_t group);
-static void ext4_mb_poll_new_transaction(struct super_block *, handle_t *);
-static void ext4_mb_free_committed_blocks(struct super_block *);
 static void ext4_mb_return_to_preallocation(struct inode *inode,
 					struct ext4_buddy *e4b, sector_t block,
 					int count);
@@ -278,6 +276,7 @@ static void ext4_mb_put_pa(struct ext4_allocation_context *,
 			struct super_block *, struct ext4_prealloc_space *pa);
 static int ext4_mb_init_per_dev_proc(struct super_block *sb);
 static int ext4_mb_destroy_per_dev_proc(struct super_block *sb);
+static void release_blocks_on_commit(journal_t *journal, transaction_t *txn);
 
 
 static inline void ext4_lock_group(struct super_block *sb, ext4_group_t group)
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 0abe02c4242..8b119e16aa3 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -995,6 +995,9 @@ restart_loop:
 	}
 	spin_unlock(&journal->j_list_lock);
 
+	if (journal->j_commit_callback)
+		journal->j_commit_callback(journal, commit_transaction);
+
 	trace_mark(jbd2_end_commit, "dev %s transaction %d head %d",
 		   journal->j_devname, commit_transaction->t_tid,
 		   journal->j_tail_sequence);
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index e5d540588fa..39b7805a599 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -52,6 +52,7 @@ jbd2_get_transaction(journal_t *journal, transaction_t *transaction)
 	transaction->t_expires = jiffies + journal->j_commit_interval;
 	spin_lock_init(&transaction->t_handle_lock);
 	INIT_LIST_HEAD(&transaction->t_inode_list);
+	INIT_LIST_HEAD(&transaction->t_private_list);
 
 	/* Set up the commit timer for the new transaction. */
 	journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 463d6f10b64..c7d106ef22e 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -641,6 +641,11 @@ struct transaction_s
 	 */
 	int t_handle_count;
 
+	/*
+	 * For use by the filesystem to store fs-specific data
+	 * structures associated with the transaction
+	 */
+	struct list_head	t_private_list;
 };
 
 struct transaction_run_stats_s {
@@ -935,6 +940,10 @@ struct journal_s
 
 	pid_t			j_last_sync_writer;
 
+	/* This function is called when a transaction is closed */
+	void			(*j_commit_callback)(journal_t *,
+						     transaction_t *);
+
 	/*
 	 * Journal statistics
 	 */
-- 
GitLab


From e49f711cc8f3bf8d719a9f5c86e79ecc0a72bf70 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Tue, 12 Aug 2008 10:20:22 +0800
Subject: [PATCH 0816/2224] ACPI: Add the support for _TTS object

    The _TTS object is defined in the section 7.3 of acpi 3.0b spec.
    The _TTS control method is executed by the OSPM at the beginning of
the sleep transition process for S1,S2, S3, S4, and orderly S5 shutdown.
OS will invoke _TTS before it has notified any native mode device drivers
of the sleep state transition. The target sleeping state value is passed to
the _TTS control method.

    The _TTS control method is also executed by the OSPM at the end of
any sleep transition process when the system transitions to S0 from
S1, S2, S3, or S4. The _TTS object should be evaluated after it has
notified any native mode device drivers of the end of the sleep state
transition. The working state value (0) is passed to the _TTS control method.

    So it is necessary to add the support for _TTS object. The _TTS object
will be evaluated if it exists.
    At the same time a block notifier is added to the reboot notifier list so
that the _TTS object will also be evaluated when the system shutdown.

lenb: note that as of Sep 2008, I've not yet seen _TTS in any shipping BIOS.
So this patch is to future-proof Linux, rather than fix the installed base.

http://bugzilla.kernel.org/show_bug.cgi?id=11132

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/sleep/main.c | 49 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 48 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index d13194a031b..c7f0c9cd870 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -15,6 +15,7 @@
 #include <linux/dmi.h>
 #include <linux/device.h>
 #include <linux/suspend.h>
+#include <linux/reboot.h>
 
 #include <asm/io.h>
 
@@ -24,6 +25,36 @@
 
 u8 sleep_states[ACPI_S_STATE_COUNT];
 
+static void acpi_sleep_tts_switch(u32 acpi_state)
+{
+	union acpi_object in_arg = { ACPI_TYPE_INTEGER };
+	struct acpi_object_list arg_list = { 1, &in_arg };
+	acpi_status status = AE_OK;
+
+	in_arg.integer.value = acpi_state;
+	status = acpi_evaluate_object(NULL, "\\_TTS", &arg_list, NULL);
+	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
+		/*
+		 * OS can't evaluate the _TTS object correctly. Some warning
+		 * message will be printed. But it won't break anything.
+		 */
+		printk(KERN_NOTICE "Failure in evaluating _TTS object\n");
+	}
+}
+
+static int tts_notify_reboot(struct notifier_block *this,
+			unsigned long code, void *x)
+{
+	acpi_sleep_tts_switch(ACPI_STATE_S5);
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block tts_notifier = {
+	.notifier_call	= tts_notify_reboot,
+	.next		= NULL,
+	.priority	= 0,
+};
+
 static int acpi_sleep_prepare(u32 acpi_state)
 {
 #ifdef CONFIG_ACPI_SLEEP
@@ -131,6 +162,7 @@ static void acpi_pm_end(void)
 	 * failing transition to a sleep state.
 	 */
 	acpi_target_sleep_state = ACPI_STATE_S0;
+	acpi_sleep_tts_switch(acpi_target_sleep_state);
 }
 #endif /* CONFIG_PM_SLEEP */
 
@@ -155,6 +187,7 @@ static int acpi_suspend_begin(suspend_state_t pm_state)
 
 	if (sleep_states[acpi_state]) {
 		acpi_target_sleep_state = acpi_state;
+		acpi_sleep_tts_switch(acpi_target_sleep_state);
 	} else {
 		printk(KERN_ERR "ACPI does not support this state: %d\n",
 			pm_state);
@@ -313,6 +346,7 @@ void __init acpi_no_s4_hw_signature(void)
 static int acpi_hibernation_begin(void)
 {
 	acpi_target_sleep_state = ACPI_STATE_S4;
+	acpi_sleep_tts_switch(acpi_target_sleep_state);
 	return 0;
 }
 
@@ -376,7 +410,15 @@ static struct platform_hibernation_ops acpi_hibernation_ops = {
  */
 static int acpi_hibernation_begin_old(void)
 {
-	int error = acpi_sleep_prepare(ACPI_STATE_S4);
+	int error;
+	/*
+	 * The _TTS object should always be evaluated before the _PTS object.
+	 * When the old_suspended_ordering is true, the _PTS object is
+	 * evaluated in the acpi_sleep_prepare.
+	 */
+	acpi_sleep_tts_switch(ACPI_STATE_S4);
+
+	error = acpi_sleep_prepare(ACPI_STATE_S4);
 
 	if (!error)
 		acpi_target_sleep_state = ACPI_STATE_S4;
@@ -596,5 +638,10 @@ int __init acpi_sleep_init(void)
 		pm_power_off = acpi_power_off;
 	}
 	printk(")\n");
+	/*
+	 * Register the tts_notifier to reboot notifier list so that the _TTS
+	 * object can also be evaluated when the system enters S5.
+	 */
+	register_reboot_notifier(&tts_notifier);
 	return 0;
 }
-- 
GitLab


From a6629105dd03d370fcb31e97bddf223fa4bb651e Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sat, 6 Sep 2008 13:13:01 +0200
Subject: [PATCH 0817/2224] ACPI suspend: Always use the 32-bit waking vector

According to the ACPI specification 2.0c and later, the 64-bit waking vector
should be cleared and the 32-bit waking vector should be used, unless we want
the wake-up code to be called by the BIOS in Protected Mode.  Moreover, some
systems (for example HP dv5-1004nr) are known to fail to resume if the 64-bit
waking vector is used.  Therefore, modify the code to clear the 64-bit waking
vector, for FACS version 1 or greater, and set the 32-bit one before suspend.

http://bugzilla.kernel.org/show_bug.cgi?id=11368

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/hardware/hwsleep.c | 37 ++++++++++-----------------------
 1 file changed, 11 insertions(+), 26 deletions(-)

diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 130a44b7968..25dccdf179b 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -78,19 +78,17 @@ acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
 		return_ACPI_STATUS(status);
 	}
 
-	/* Set the vector */
+	/*
+	 * According to the ACPI specification 2.0c and later, the 64-bit
+	 * waking vector should be cleared and the 32-bit waking vector should
+	 * be used, unless we want the wake-up code to be called by the BIOS in
+	 * Protected Mode.  Some systems (for example HP dv5-1004nr) are known
+	 * to fail to resume if the 64-bit vector is used.
+	 */
+	if (facs->version >= 1)
+		facs->xfirmware_waking_vector = 0;
 
-	if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
-		/*
-		 * ACPI 1.0 FACS or short table or optional X_ field is zero
-		 */
-		facs->firmware_waking_vector = (u32) physical_address;
-	} else {
-		/*
-		 * ACPI 2.0 FACS with valid X_ field
-		 */
-		facs->xfirmware_waking_vector = physical_address;
-	}
+	facs->firmware_waking_vector = (u32)physical_address;
 
 	return_ACPI_STATUS(AE_OK);
 }
@@ -134,20 +132,7 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
 	}
 
 	/* Get the vector */
-
-	if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
-		/*
-		 * ACPI 1.0 FACS or short table or optional X_ field is zero
-		 */
-		*physical_address =
-		    (acpi_physical_address) facs->firmware_waking_vector;
-	} else {
-		/*
-		 * ACPI 2.0 FACS with valid X_ field
-		 */
-		*physical_address =
-		    (acpi_physical_address) facs->xfirmware_waking_vector;
-	}
+	*physical_address = (acpi_physical_address)facs->firmware_waking_vector;
 
 	return_ACPI_STATUS(AE_OK);
 }
-- 
GitLab


From d0c71fe7ebc180f1b7bc7da1d39a07fc19eec768 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Sat, 4 Oct 2008 00:05:05 +0200
Subject: [PATCH 0818/2224] ACPI Suspend: Enable ACPI during resume if SCI_EN
 is not set

On some machines, like for example MSI Wind U100, the BIOS doesn't
enable ACPI before returning control to the OS, which sometimes
causes resume to fail.  This is against the ACPI specification,
which clearly states that "When the platform is waking from an S1, S2
or S3 state, OSPM assumes the hardware is already in the ACPI mode
and will not issue an ACPI_ENABLE", but it won't hurt to check the
SCI_EN bit and enable ACPI during resume from S3 if this bit is not
set.

Fortunately, we already have acpi_enable() for that, so use it in the
resume code path, before executing _BFS, in analogy with the
resume-from-hibernation code path.

NOTE: We aren't supposed to set SCI_EN directly, because it's owned
by the hardware.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/sleep/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index c7f0c9cd870..5419938ef29 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -233,6 +233,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 		break;
 	}
 
+	/* If ACPI is not enabled by the BIOS, we need to enable it here. */
+	acpi_enable();
 	/* Reprogram control registers and execute _BFS */
 	acpi_leave_sleep_state_prep(acpi_state);
 
-- 
GitLab


From 4fb507b6b764195bb7821cf2baa988f6eb677d30 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Tue, 14 Oct 2008 22:54:06 +0200
Subject: [PATCH 0819/2224] ACPI suspend: Blacklist HP xw4600 Workstation for
 old code ordering

HP xw4600 Workstation is known to require the "old" (ie. compatible
with ACPI 1.0) suspend code ordering, so blacklist it for this
purpose.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: John Brown <john.brown3@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/sleep/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 5419938ef29..2a312702225 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -331,6 +331,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 		DMI_MATCH(DMI_BOARD_NAME, "KN9 Series(NF-CK804)"),
 		},
 	},
+	{
+	.callback = init_old_suspend_ordering,
+	.ident = "HP xw4600 Workstation",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "HP xw4600 Workstation"),
+		},
+	},
 	{},
 };
 #endif /* CONFIG_SUSPEND */
-- 
GitLab


From f287a1a56130be5fdb96a4a62d1290bd064f308e Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 16 Oct 2008 22:50:48 -0400
Subject: [PATCH 0820/2224] ext4: Remove automatic enabling of the HUGE_FILE
 feature flag

If the HUGE_FILE feature flag is not set, don't allow the creation of
large files, instead of automatically enabling the feature flag.
Recent versions of mke2fs will set the HUGE_FILE flag automatically
anyway for ext4 filesystems.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
 fs/ext4/inode.c | 24 ++++----------
 fs/ext4/super.c | 85 ++++++++-----------------------------------------
 2 files changed, 21 insertions(+), 88 deletions(-)

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 27fc6b95122..8dbf6953845 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4194,7 +4194,6 @@ static int ext4_inode_blocks_set(handle_t *handle,
 	struct inode *inode = &(ei->vfs_inode);
 	u64 i_blocks = inode->i_blocks;
 	struct super_block *sb = inode->i_sb;
-	int err = 0;
 
 	if (i_blocks <= ~0U) {
 		/*
@@ -4204,36 +4203,27 @@ static int ext4_inode_blocks_set(handle_t *handle,
 		raw_inode->i_blocks_lo   = cpu_to_le32(i_blocks);
 		raw_inode->i_blocks_high = 0;
 		ei->i_flags &= ~EXT4_HUGE_FILE_FL;
-	} else if (i_blocks <= 0xffffffffffffULL) {
+		return 0;
+	}
+	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE))
+		return -EFBIG;
+
+	if (i_blocks <= 0xffffffffffffULL) {
 		/*
 		 * i_blocks can be represented in a 48 bit variable
 		 * as multiple of 512 bytes
 		 */
-		err = ext4_update_rocompat_feature(handle, sb,
-					    EXT4_FEATURE_RO_COMPAT_HUGE_FILE);
-		if (err)
-			goto  err_out;
-		/* i_block is stored in the split  48 bit fields */
 		raw_inode->i_blocks_lo   = cpu_to_le32(i_blocks);
 		raw_inode->i_blocks_high = cpu_to_le16(i_blocks >> 32);
 		ei->i_flags &= ~EXT4_HUGE_FILE_FL;
 	} else {
-		/*
-		 * i_blocks should be represented in a 48 bit variable
-		 * as multiple of  file system block size
-		 */
-		err = ext4_update_rocompat_feature(handle, sb,
-					    EXT4_FEATURE_RO_COMPAT_HUGE_FILE);
-		if (err)
-			goto  err_out;
 		ei->i_flags |= EXT4_HUGE_FILE_FL;
 		/* i_block is stored in file system block size */
 		i_blocks = i_blocks >> (inode->i_blkbits - 9);
 		raw_inode->i_blocks_lo   = cpu_to_le32(i_blocks);
 		raw_inode->i_blocks_high = cpu_to_le16(i_blocks >> 32);
 	}
-err_out:
-	return err;
+	return 0;
 }
 
 /*
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 95127f03d1f..9b2b2bc4ec1 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -374,66 +374,6 @@ void ext4_update_dynamic_rev(struct super_block *sb)
 	 */
 }
 
-int ext4_update_compat_feature(handle_t *handle,
-					struct super_block *sb, __u32 compat)
-{
-	int err = 0;
-	if (!EXT4_HAS_COMPAT_FEATURE(sb, compat)) {
-		err = ext4_journal_get_write_access(handle,
-				EXT4_SB(sb)->s_sbh);
-		if (err)
-			return err;
-		EXT4_SET_COMPAT_FEATURE(sb, compat);
-		sb->s_dirt = 1;
-		handle->h_sync = 1;
-		BUFFER_TRACE(EXT4_SB(sb)->s_sbh,
-					"call ext4_journal_dirty_met adata");
-		err = ext4_journal_dirty_metadata(handle,
-				EXT4_SB(sb)->s_sbh);
-	}
-	return err;
-}
-
-int ext4_update_rocompat_feature(handle_t *handle,
-					struct super_block *sb, __u32 rocompat)
-{
-	int err = 0;
-	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, rocompat)) {
-		err = ext4_journal_get_write_access(handle,
-				EXT4_SB(sb)->s_sbh);
-		if (err)
-			return err;
-		EXT4_SET_RO_COMPAT_FEATURE(sb, rocompat);
-		sb->s_dirt = 1;
-		handle->h_sync = 1;
-		BUFFER_TRACE(EXT4_SB(sb)->s_sbh,
-					"call ext4_journal_dirty_met adata");
-		err = ext4_journal_dirty_metadata(handle,
-				EXT4_SB(sb)->s_sbh);
-	}
-	return err;
-}
-
-int ext4_update_incompat_feature(handle_t *handle,
-					struct super_block *sb, __u32 incompat)
-{
-	int err = 0;
-	if (!EXT4_HAS_INCOMPAT_FEATURE(sb, incompat)) {
-		err = ext4_journal_get_write_access(handle,
-				EXT4_SB(sb)->s_sbh);
-		if (err)
-			return err;
-		EXT4_SET_INCOMPAT_FEATURE(sb, incompat);
-		sb->s_dirt = 1;
-		handle->h_sync = 1;
-		BUFFER_TRACE(EXT4_SB(sb)->s_sbh,
-					"call ext4_journal_dirty_met adata");
-		err = ext4_journal_dirty_metadata(handle,
-				EXT4_SB(sb)->s_sbh);
-	}
-	return err;
-}
-
 /*
  * Open the external journal device
  */
@@ -1771,13 +1711,13 @@ static void ext4_orphan_cleanup(struct super_block *sb,
  *
  * Note, this does *not* consider any metadata overhead for vfs i_blocks.
  */
-static loff_t ext4_max_size(int blkbits)
+static loff_t ext4_max_size(int blkbits, int has_huge_files)
 {
 	loff_t res;
 	loff_t upper_limit = MAX_LFS_FILESIZE;
 
 	/* small i_blocks in vfs inode? */
-	if (sizeof(blkcnt_t) < sizeof(u64)) {
+	if (!has_huge_files || sizeof(blkcnt_t) < sizeof(u64)) {
 		/*
 		 * CONFIG_LSF is not enabled implies the inode
 		 * i_block represent total blocks in 512 bytes
@@ -1807,7 +1747,7 @@ static loff_t ext4_max_size(int blkbits)
  * block limit, and also a limit of (2^48 - 1) 512-byte sectors in i_blocks.
  * We need to be 1 filesystem block less than the 2^48 sector limit.
  */
-static loff_t ext4_max_bitmap_size(int bits)
+static loff_t ext4_max_bitmap_size(int bits, int has_huge_files)
 {
 	loff_t res = EXT4_NDIR_BLOCKS;
 	int meta_blocks;
@@ -1820,11 +1760,11 @@ static loff_t ext4_max_bitmap_size(int bits)
 	 * total number of  512 bytes blocks of the file
 	 */
 
-	if (sizeof(blkcnt_t) < sizeof(u64)) {
+	if (!has_huge_files || sizeof(blkcnt_t) < sizeof(u64)) {
 		/*
-		 * CONFIG_LSF is not enabled implies the inode
-		 * i_block represent total blocks in 512 bytes
-		 * 32 == size of vfs inode i_blocks * 8
+		 * !has_huge_files or CONFIG_LSF is not enabled
+		 * implies the inode i_block represent total blocks in
+		 * 512 bytes 32 == size of vfs inode i_blocks * 8
 		 */
 		upper_limit = (1LL << 32) - 1;
 
@@ -1933,7 +1873,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	int blocksize;
 	int db_count;
 	int i;
-	int needs_recovery;
+	int needs_recovery, has_huge_files;
 	__le32 features;
 	__u64 blocks_count;
 	int err;
@@ -2074,7 +2014,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 		       sb->s_id, le32_to_cpu(features));
 		goto failed_mount;
 	}
-	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_HUGE_FILE)) {
+	has_huge_files = EXT4_HAS_RO_COMPAT_FEATURE(sb,
+				    EXT4_FEATURE_RO_COMPAT_HUGE_FILE);
+	if (has_huge_files) {
 		/*
 		 * Large file size enabled file system can only be
 		 * mount if kernel is build with CONFIG_LSF
@@ -2124,8 +2066,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 		}
 	}
 
-	sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits);
-	sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits);
+	sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits,
+						      has_huge_files);
+	sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files);
 
 	if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) {
 		sbi->s_inode_size = EXT4_GOOD_OLD_INODE_SIZE;
-- 
GitLab


From 7745384080ef70f7710530afa3e45477b126e056 Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Fri, 17 Oct 2008 01:42:41 -0400
Subject: [PATCH 0821/2224] don't load asus-acpi if model is not supported

asus_hotk_get_info should return -ENODEV if the model is not supported.
http://bugzilla.kernel.org/show_bug.cgi?id=10389

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/asus_acpi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 91571fc0f17..428e47b1ca6 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -1244,6 +1244,8 @@ static int asus_hotk_get_info(void)
 			       "default values\n", string);
 			printk(KERN_NOTICE
 			       "  send /proc/acpi/dsdt to the developers\n");
+			kfree(model);
+			return -ENODEV;
 		}
 		hotk->methods = &model_conf[hotk->model];
 		return AE_OK;
-- 
GitLab


From 20edd74fcf9ad02c19efba0c13670a7b6b045099 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Fri, 17 Oct 2008 02:02:44 -0400
Subject: [PATCH 0822/2224] ACPI: Ignore AE_NOT_FOUND error of EC _REG method
 and continue to initialize EC

On some broken BIOS the ACPI object in EC _REG method can't be found in
ACPI namespace, which causes that the status code of AE_NOT_FOUND is returned by
the EC _REG object. In such case the EC device can't be initialized correctly,
which causes that battery/AC adapter can't work normally. As the EC address
space handler is not removed and the memory pointed by its input argument is
already free, sometimes the kernel will also be panic when EC internal register
is still accessed. But the windows can work well on such broken BIOS.

Maybe it will be reasonable that OS ignores the AE_NOT_FOUND error
returned by the EC _REG object and continues to initialize EC device
on some broken BIOS.
For example: the ACPI object in EC _REG method can't be found and status error
code is AE_NOT_FOUND.

http://bugzilla.kernel.org/show_bug.cgi?id=8953
http://bugzilla.kernel.org/show_bug.cgi?id=10237

lenb: we may find a more general solution to this in the future.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/ec.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 13593f9f219..4c004286b3d 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -862,8 +862,19 @@ static int ec_install_handlers(struct acpi_ec *ec)
 						    &acpi_ec_space_handler,
 						    NULL, ec);
 	if (ACPI_FAILURE(status)) {
-		acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler);
-		return -ENODEV;
+		if (status == AE_NOT_FOUND) {
+			/*
+			 * Maybe OS fails in evaluating the _REG object.
+			 * The AE_NOT_FOUND error will be ignored and OS
+			 * continue to initialize EC.
+			 */
+			printk(KERN_ERR "Fail in evaluating the _REG object"
+				" of EC device. Broken bios is suspected.\n");
+		} else {
+			acpi_remove_gpe_handler(NULL, ec->gpe,
+				&acpi_ec_gpe_handler);
+			return -ENODEV;
+		}
 	}
 
 	ec->handlers_installed = 1;
-- 
GitLab


From 22a94d79a34bf010d11996d30eed8ee3fc1a4fbf Mon Sep 17 00:00:00 2001
From: Zhang Rui <rui.zhang@intel.com>
Date: Fri, 17 Oct 2008 02:41:20 -0400
Subject: [PATCH 0823/2224] ACPI: Allow overriding to higher critical trip
 point.

http://bugzilla.kernel.org/show_bug.cgi?id=9129

lenb: Note that overriding a critical trip point
may simply fool the user into thinking that they
have control that they do not actually have.
For it is EC firmware that decides when the EC
sends Linux temperature change events, and the
EC may or may not decide to send Linux these events
anywhere in the neighborhood of the fake
override trip points.  Beware.

note also that thermal.nocrt is already available
to disable crtical trip point actios,
and thermal.crt=-1 is already available to
disabled critical trip points entirely.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/kernel-parameters.txt | 2 +-
 drivers/acpi/thermal.c              | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1150444a21a..070742360a2 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2146,7 +2146,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	thermal.crt=	[HW,ACPI]
 			-1: disable all critical trip points in all thermal zones
-			<degrees C>: lower all critical trip points
+			<degrees C>: override all critical trip points
 
 	thermal.nocrt=	[HW,ACPI]
 			Set to disable actions on ACPI thermal zone
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index e052a75c29c..e9e17dfc5dc 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -388,10 +388,12 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 			} else if (crt > 0) {
 				unsigned long crt_k = CELSIUS_TO_KELVIN(crt);
 				/*
-				 * Allow override to lower critical threshold
+				 * Allow override critical threshold
 				 */
-				if (crt_k < tz->trips.critical.temperature)
-					tz->trips.critical.temperature = crt_k;
+				if (crt_k > tz->trips.critical.temperature)
+					printk(KERN_WARNING PREFIX
+						"Critical threshold %d C\n", crt);
+				tz->trips.critical.temperature = crt_k;
 			}
 		}
 	}
-- 
GitLab


From 54514a70adefe356afe854e2d3912d46668068e6 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Tue, 23 Sep 2008 22:15:57 -0700
Subject: [PATCH 0824/2224] softirq: Add support for triggering softirq work on
 softirqs.

This is basically a genericization of Jens Axboe's block layer
remote softirq changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 include/linux/interrupt.h |  21 +++++++
 include/linux/smp.h       |   4 +-
 kernel/softirq.c          | 129 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 153 insertions(+), 1 deletion(-)

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 54b3623434e..35a61dc60d5 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -11,6 +11,8 @@
 #include <linux/hardirq.h>
 #include <linux/sched.h>
 #include <linux/irqflags.h>
+#include <linux/smp.h>
+#include <linux/percpu.h>
 #include <asm/atomic.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>
@@ -273,6 +275,25 @@ extern void softirq_init(void);
 extern void raise_softirq_irqoff(unsigned int nr);
 extern void raise_softirq(unsigned int nr);
 
+/* This is the worklist that queues up per-cpu softirq work.
+ *
+ * send_remote_sendirq() adds work to these lists, and
+ * the softirq handler itself dequeues from them.  The queues
+ * are protected by disabling local cpu interrupts and they must
+ * only be accessed by the local cpu that they are for.
+ */
+DECLARE_PER_CPU(struct list_head [NR_SOFTIRQS], softirq_work_list);
+
+/* Try to send a softirq to a remote cpu.  If this cannot be done, the
+ * work will be queued to the local cpu.
+ */
+extern void send_remote_softirq(struct call_single_data *cp, int cpu, int softirq);
+
+/* Like send_remote_softirq(), but the caller must disable local cpu interrupts
+ * and compute the current cpu, passed in as 'this_cpu'.
+ */
+extern void __send_remote_softirq(struct call_single_data *cp, int cpu,
+				  int this_cpu, int softirq);
 
 /* Tasklets --- multithreaded analogue of BHs.
 
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 66484d4a845..2e4d58b26c0 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -7,6 +7,7 @@
  */
 
 #include <linux/errno.h>
+#include <linux/types.h>
 #include <linux/list.h>
 #include <linux/cpumask.h>
 
@@ -16,7 +17,8 @@ struct call_single_data {
 	struct list_head list;
 	void (*func) (void *info);
 	void *info;
-	unsigned int flags;
+	u16 flags;
+	u16 priv;
 };
 
 #ifdef CONFIG_SMP
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 37d67aa2d56..83ba21a13bd 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -6,6 +6,8 @@
  *	Distribute under GPLv2.
  *
  *	Rewritten. Old one was good in 2.2, but in 2.3 it was immoral. --ANK (990903)
+ *
+ *	Remote softirq infrastructure is by Jens Axboe.
  */
 
 #include <linux/module.h>
@@ -474,17 +476,144 @@ void tasklet_kill(struct tasklet_struct *t)
 
 EXPORT_SYMBOL(tasklet_kill);
 
+DEFINE_PER_CPU(struct list_head [NR_SOFTIRQS], softirq_work_list);
+EXPORT_PER_CPU_SYMBOL(softirq_work_list);
+
+static void __local_trigger(struct call_single_data *cp, int softirq)
+{
+	struct list_head *head = &__get_cpu_var(softirq_work_list[softirq]);
+
+	list_add_tail(&cp->list, head);
+
+	/* Trigger the softirq only if the list was previously empty.  */
+	if (head->next == &cp->list)
+		raise_softirq_irqoff(softirq);
+}
+
+#ifdef CONFIG_USE_GENERIC_SMP_HELPERS
+static void remote_softirq_receive(void *data)
+{
+	struct call_single_data *cp = data;
+	unsigned long flags;
+	int softirq;
+
+	softirq = cp->priv;
+
+	local_irq_save(flags);
+	__local_trigger(cp, softirq);
+	local_irq_restore(flags);
+}
+
+static int __try_remote_softirq(struct call_single_data *cp, int cpu, int softirq)
+{
+	if (cpu_online(cpu)) {
+		cp->func = remote_softirq_receive;
+		cp->info = cp;
+		cp->flags = 0;
+		cp->priv = softirq;
+
+		__smp_call_function_single(cpu, cp);
+		return 0;
+	}
+	return 1;
+}
+#else /* CONFIG_USE_GENERIC_SMP_HELPERS */
+static int __try_remote_softirq(struct call_single_data *cp, int cpu, int softirq)
+{
+	return 1;
+}
+#endif
+
+/**
+ * __send_remote_softirq - try to schedule softirq work on a remote cpu
+ * @cp: private SMP call function data area
+ * @cpu: the remote cpu
+ * @this_cpu: the currently executing cpu
+ * @softirq: the softirq for the work
+ *
+ * Attempt to schedule softirq work on a remote cpu.  If this cannot be
+ * done, the work is instead queued up on the local cpu.
+ *
+ * Interrupts must be disabled.
+ */
+void __send_remote_softirq(struct call_single_data *cp, int cpu, int this_cpu, int softirq)
+{
+	if (cpu == this_cpu || __try_remote_softirq(cp, cpu, softirq))
+		__local_trigger(cp, softirq);
+}
+EXPORT_SYMBOL(__send_remote_softirq);
+
+/**
+ * send_remote_softirq - try to schedule softirq work on a remote cpu
+ * @cp: private SMP call function data area
+ * @cpu: the remote cpu
+ * @softirq: the softirq for the work
+ *
+ * Like __send_remote_softirq except that disabling interrupts and
+ * computing the current cpu is done for the caller.
+ */
+void send_remote_softirq(struct call_single_data *cp, int cpu, int softirq)
+{
+	unsigned long flags;
+	int this_cpu;
+
+	local_irq_save(flags);
+	this_cpu = smp_processor_id();
+	__send_remote_softirq(cp, cpu, this_cpu, softirq);
+	local_irq_restore(flags);
+}
+EXPORT_SYMBOL(send_remote_softirq);
+
+static int __cpuinit remote_softirq_cpu_notify(struct notifier_block *self,
+					       unsigned long action, void *hcpu)
+{
+	/*
+	 * If a CPU goes away, splice its entries to the current CPU
+	 * and trigger a run of the softirq
+	 */
+	if (action == CPU_DEAD || action == CPU_DEAD_FROZEN) {
+		int cpu = (unsigned long) hcpu;
+		int i;
+
+		local_irq_disable();
+		for (i = 0; i < NR_SOFTIRQS; i++) {
+			struct list_head *head = &per_cpu(softirq_work_list[i], cpu);
+			struct list_head *local_head;
+
+			if (list_empty(head))
+				continue;
+
+			local_head = &__get_cpu_var(softirq_work_list[i]);
+			list_splice_init(head, local_head);
+			raise_softirq_irqoff(i);
+		}
+		local_irq_enable();
+	}
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block __cpuinitdata remote_softirq_cpu_notifier = {
+	.notifier_call	= remote_softirq_cpu_notify,
+};
+
 void __init softirq_init(void)
 {
 	int cpu;
 
 	for_each_possible_cpu(cpu) {
+		int i;
+
 		per_cpu(tasklet_vec, cpu).tail =
 			&per_cpu(tasklet_vec, cpu).head;
 		per_cpu(tasklet_hi_vec, cpu).tail =
 			&per_cpu(tasklet_hi_vec, cpu).head;
+		for (i = 0; i < NR_SOFTIRQS; i++)
+			INIT_LIST_HEAD(&per_cpu(softirq_work_list[i], cpu));
 	}
 
+	register_hotcpu_notifier(&remote_softirq_cpu_notifier);
+
 	open_softirq(TASKLET_SOFTIRQ, tasklet_action);
 	open_softirq(HI_SOFTIRQ, tasklet_hi_action);
 }
-- 
GitLab


From 0e11e342bac31f51ea055b147d20f77b59b9dd2c Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 13 Oct 2008 10:46:01 +0200
Subject: [PATCH 0825/2224] block: add BIG FAT WARNING to
 CONFIG_DEBUG_BLOCK_EXT_DEVT

CONFIG_DEBUG_BLOCK_EXT_DEVT can break booting even on some modern
distros.  Add BIG FAT WARNING to keep people at a safe distance.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 lib/Kconfig.debug | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 31d784dd80d..b0f239e443b 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -652,6 +652,11 @@ config DEBUG_BLOCK_EXT_DEVT
 	depends on BLOCK
 	default n
 	help
+	  BIG FAT WARNING: ENABLING THIS OPTION MIGHT BREAK BOOTING ON
+	  SOME DISTRIBUTIONS.  DO NOT ENABLE THIS UNLESS YOU KNOW WHAT
+	  YOU ARE DOING.  Distros, please enable this and fix whatever
+	  is broken.
+
 	  Conventionally, block device numbers are allocated from
 	  predetermined contiguous area.  However, extended block area
 	  may introduce non-contiguous block device numbers.  This
-- 
GitLab


From 0fc71e3d6520ba7abad5cfbc9a33db0190e4d5b8 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 13 Oct 2008 13:27:59 +0200
Subject: [PATCH 0826/2224] block: add partition attribute for partition number

With extended devt, finding out the partition number becomes a bit
more challenging as subtracting the minor number from that of the
parent device doesn't work anymore.  The only thing left is parsing
the partition name which is brittle and not exactly universal (some
have '-' between the device name and partition number while others
don't).  This patch introduced partition attribute which contains the
partition number of the device.  This should make finding partitions
and its index easier.

This problem and solution were suggested by H. Peter Anvin.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 fs/partitions/check.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index fbeb2f372a9..cfb0c80690a 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -195,6 +195,14 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
 	return ERR_PTR(res);
 }
 
+static ssize_t part_partition_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	struct hd_struct *p = dev_to_part(dev);
+
+	return sprintf(buf, "%d\n", p->partno);
+}
+
 static ssize_t part_start_show(struct device *dev,
 			       struct device_attribute *attr, char *buf)
 {
@@ -260,6 +268,7 @@ ssize_t part_fail_store(struct device *dev,
 }
 #endif
 
+static DEVICE_ATTR(partition, S_IRUGO, part_partition_show, NULL);
 static DEVICE_ATTR(start, S_IRUGO, part_start_show, NULL);
 static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL);
 static DEVICE_ATTR(stat, S_IRUGO, part_stat_show, NULL);
@@ -269,6 +278,7 @@ static struct device_attribute dev_attr_fail =
 #endif
 
 static struct attribute *part_attrs[] = {
+	&dev_attr_partition.attr,
 	&dev_attr_start.attr,
 	&dev_attr_size.attr,
 	&dev_attr_stat.attr,
-- 
GitLab


From 8677142710516d986d932d6f1fba7be8382c1fec Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Mon, 13 Oct 2008 14:19:05 +0200
Subject: [PATCH 0827/2224] block: fix nr_phys_segments miscalculation bug

This fixes the bug reported by Nikanth Karthikesan <knikanth@suse.de>:

http://lkml.org/lkml/2008/10/2/203

The root cause of the bug is that blk_phys_contig_segment
miscalculates q->max_segment_size.

blk_phys_contig_segment checks:

req->biotail->bi_size + next_req->bio->bi_size > q->max_segment_size

But blk_recalc_rq_segments might expect that req->biotail and the
previous bio in the req are supposed be merged into one
segment. blk_recalc_rq_segments might also expect that next_req->bio
and the next bio in the next_req are supposed be merged into one
segment. In such case, we merge two requests that can't be merged
here. Later, blk_rq_map_sg gives more segments than it should.

We need to keep track of segment size in blk_recalc_rq_segments and
use it to see if two requests can be merged. This patch implements it
in the similar way that we used to do for hw merging (virtual
merging).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-merge.c   | 20 ++++++++++++++++++--
 include/linux/bio.h |  7 +++++++
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/block/blk-merge.c b/block/blk-merge.c
index 908d3e11ac5..8681cd6f991 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -77,12 +77,20 @@ void blk_recalc_rq_segments(struct request *rq)
 			continue;
 		}
 new_segment:
+		if (nr_phys_segs == 1 && seg_size > rq->bio->bi_seg_front_size)
+			rq->bio->bi_seg_front_size = seg_size;
+
 		nr_phys_segs++;
 		bvprv = bv;
 		seg_size = bv->bv_len;
 		highprv = high;
 	}
 
+	if (nr_phys_segs == 1 && seg_size > rq->bio->bi_seg_front_size)
+		rq->bio->bi_seg_front_size = seg_size;
+	if (seg_size > rq->biotail->bi_seg_back_size)
+		rq->biotail->bi_seg_back_size = seg_size;
+
 	rq->nr_phys_segments = nr_phys_segs;
 }
 
@@ -106,7 +114,8 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio,
 	if (!test_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags))
 		return 0;
 
-	if (bio->bi_size + nxt->bi_size > q->max_segment_size)
+	if (bio->bi_seg_back_size + nxt->bi_seg_front_size >
+	    q->max_segment_size)
 		return 0;
 
 	if (!bio_has_data(bio))
@@ -309,6 +318,8 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
 				struct request *next)
 {
 	int total_phys_segments;
+	unsigned int seg_size =
+		req->biotail->bi_seg_back_size + next->bio->bi_seg_front_size;
 
 	/*
 	 * First check if the either of the requests are re-queued
@@ -324,8 +335,13 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
 		return 0;
 
 	total_phys_segments = req->nr_phys_segments + next->nr_phys_segments;
-	if (blk_phys_contig_segment(q, req->biotail, next->bio))
+	if (blk_phys_contig_segment(q, req->biotail, next->bio)) {
+		if (req->nr_phys_segments == 1)
+			req->bio->bi_seg_front_size = seg_size;
+		if (next->nr_phys_segments == 1)
+			next->biotail->bi_seg_back_size = seg_size;
 		total_phys_segments--;
+	}
 
 	if (total_phys_segments > q->max_phys_segments)
 		return 0;
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ff5b4cf9e2d..dc3cec386a9 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -79,6 +79,13 @@ struct bio {
 
 	unsigned int		bi_size;	/* residual I/O count */
 
+	/*
+	 * To keep track of the max segment size, we account for the
+	 * sizes of the first and last mergeable segments in this bio.
+	 */
+	unsigned int		bi_seg_front_size;
+	unsigned int		bi_seg_back_size;
+
 	unsigned int		bi_max_vecs;	/* max bvl_vecs we can hold */
 
 	unsigned int		bi_comp_cpu;	/* completion CPU */
-- 
GitLab


From e6d63840ba55ffd3a79aea6792aac6f29f338083 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Tue, 14 Oct 2008 08:49:34 +0200
Subject: [PATCH 0828/2224] block: fix kernel-doc for blk_alloc_devt()

No argument 'gfp_mask' for blk_alloc_devt().

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/genhd.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/block/genhd.c b/block/genhd.c
index 4cd3433c99a..b8defae2ec0 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -358,7 +358,6 @@ static int blk_mangle_minor(int minor)
 /**
  * blk_alloc_devt - allocate a dev_t for a partition
  * @part: partition to allocate dev_t for
- * @gfp_mask: memory allocation flag
  * @devt: out parameter for resulting dev_t
  *
  * Allocate a dev_t for block device.
-- 
GitLab


From ee2e992cc28553f6c4dd1ab5483c8733c393626b Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Tue, 14 Oct 2008 08:49:56 +0200
Subject: [PATCH 0829/2224] block: simplify string handling in
 elv_iosched_store()

strlcpy() guarantees the dest buffer is NULL teminated.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/elevator.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/block/elevator.c b/block/elevator.c
index 04518921db3..9482ffa1aae 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -1166,15 +1166,10 @@ ssize_t elv_iosched_store(struct request_queue *q, const char *name,
 			  size_t count)
 {
 	char elevator_name[ELV_NAME_MAX];
-	size_t len;
 	struct elevator_type *e;
 
-	elevator_name[sizeof(elevator_name) - 1] = '\0';
-	strncpy(elevator_name, name, sizeof(elevator_name) - 1);
-	len = strlen(elevator_name);
-
-	if (len && elevator_name[len - 1] == '\n')
-		elevator_name[len - 1] = '\0';
+	strlcpy(elevator_name, name, sizeof(elevator_name));
+	strstrip(elevator_name);
 
 	e = elevator_get(elevator_name);
 	if (!e) {
-- 
GitLab


From 80a4b58e36b63d7b0b592beb1bd6410aadeeb63c Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 14 Oct 2008 09:51:06 +0200
Subject: [PATCH 0830/2224] block: only call ->request_fn when the queue is not
 stopped

Callers should use either blk_run_queue/__blk_run_queue, or
blk_start_queueing() to invoke request handling instead of calling
->request_fn() directly as that does not take the queue stopped
flag into account.

Also add appropriate comments on the above functions to detail
their usage.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-core.c | 19 +++++++++++++++++--
 block/elevator.c |  7 +++----
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 2d053b58441..91532f2d2fa 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -325,6 +325,9 @@ EXPORT_SYMBOL(blk_unplug);
 
 static void blk_invoke_request_fn(struct request_queue *q)
 {
+	if (unlikely(blk_queue_stopped(q)))
+		return;
+
 	/*
 	 * one level of recursion is ok and is much faster than kicking
 	 * the unplug handling
@@ -399,8 +402,13 @@ void blk_sync_queue(struct request_queue *q)
 EXPORT_SYMBOL(blk_sync_queue);
 
 /**
- * blk_run_queue - run a single device queue
+ * __blk_run_queue - run a single device queue
  * @q:	The queue to run
+ *
+ * Description:
+ *    See @blk_run_queue. This variant must be called with the queue lock
+ *    held and interrupts disabled.
+ *
  */
 void __blk_run_queue(struct request_queue *q)
 {
@@ -418,6 +426,12 @@ EXPORT_SYMBOL(__blk_run_queue);
 /**
  * blk_run_queue - run a single device queue
  * @q: The queue to run
+ *
+ * Description:
+ *    Invoke request handling on this queue, if it has pending work to do.
+ *    May be used to restart queueing when a request has completed. Also
+ *    See @blk_start_queueing.
+ *
  */
 void blk_run_queue(struct request_queue *q)
 {
@@ -884,7 +898,8 @@ EXPORT_SYMBOL(blk_get_request);
  *
  * This is basically a helper to remove the need to know whether a queue
  * is plugged or not if someone just wants to initiate dispatch of requests
- * for this queue.
+ * for this queue. Should be used to start queueing on a device outside
+ * of ->request_fn() context. Also see @blk_run_queue.
  *
  * The queue lock must be held with interrupts disabled.
  */
diff --git a/block/elevator.c b/block/elevator.c
index 9482ffa1aae..59173a69ebd 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -612,7 +612,7 @@ void elv_insert(struct request_queue *q, struct request *rq, int where)
 		 *   processing.
 		 */
 		blk_remove_plug(q);
-		q->request_fn(q);
+		blk_start_queueing(q);
 		break;
 
 	case ELEVATOR_INSERT_SORT:
@@ -950,7 +950,7 @@ void elv_completed_request(struct request_queue *q, struct request *rq)
 		    blk_ordered_cur_seq(q) == QUEUE_ORDSEQ_DRAIN &&
 		    blk_ordered_req_seq(first_rq) > QUEUE_ORDSEQ_DRAIN) {
 			blk_ordered_complete_seq(q, QUEUE_ORDSEQ_DRAIN, 0);
-			q->request_fn(q);
+			blk_start_queueing(q);
 		}
 	}
 }
@@ -1109,8 +1109,7 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
 	elv_drain_elevator(q);
 
 	while (q->rq.elvpriv) {
-		blk_remove_plug(q);
-		q->request_fn(q);
+		blk_start_queueing(q);
 		spin_unlock_irq(q->queue_lock);
 		msleep(10);
 		spin_lock_irq(q->queue_lock);
-- 
GitLab


From 496aa8a98f5ab22ced46be5dc2087cdf3d029bd7 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Thu, 16 Oct 2008 07:46:23 +0200
Subject: [PATCH 0831/2224] block: fix current kernel-doc warnings

Fix block kernel-doc warnings:

Warning(linux-2.6.27-git4//fs/block_dev.c:1272): No description found for parameter 'path'
Warning(linux-2.6.27-git4//block/blk-core.c:1021): No description found for parameter 'cpu'
Warning(linux-2.6.27-git4//block/blk-core.c:1021): No description found for parameter 'part'
Warning(/var/linsrc/linux-2.6.27-git4//block/genhd.c:544): No description found for parameter 'partno'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-core.c | 5 +++--
 block/genhd.c    | 2 +-
 fs/block_dev.c   | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 91532f2d2fa..8517264eb71 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1018,8 +1018,9 @@ static void part_round_stats_single(int cpu, struct hd_struct *part,
 }
 
 /**
- * part_round_stats()	- Round off the performance stats on a struct
- * disk_stats.
+ * part_round_stats() - Round off the performance stats on a struct disk_stats.
+ * @cpu: cpu number for stats access
+ * @part: target partition
  *
  * The average IO queue length and utilisation statistics are maintained
  * by observing the current state of the queue length and the amount of
diff --git a/block/genhd.c b/block/genhd.c
index b8defae2ec0..646e1d2507c 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -534,7 +534,7 @@ void unlink_gendisk(struct gendisk *disk)
 /**
  * get_gendisk - get partitioning information for a given device
  * @devt: device to get partitioning information for
- * @part: returned partition index
+ * @partno: returned partition index
  *
  * This function gets the structure containing partitioning
  * information for the given device @devt.
diff --git a/fs/block_dev.c b/fs/block_dev.c
index d84f0469a01..218408eed1b 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1262,7 +1262,7 @@ EXPORT_SYMBOL(ioctl_by_bdev);
 
 /**
  * lookup_bdev  - lookup a struct block_device by name
- * @pathname:	special file representing the block device
+ * @path:	special file representing the block device
  *
  * Get a reference to the blockdevice at @pathname in the current
  * namespace if possible and return it.  Return ERR_PTR(error)
-- 
GitLab


From 756f8243188e013bd067811cdc0cc60760abfdf9 Mon Sep 17 00:00:00 2001
From: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 08:23:21 +0200
Subject: [PATCH 0832/2224] blktrace: add support for driver data

This patch adds the new api call blk_add_driver_data() to blktrace.
It allows to trace device driver-specific binary data.

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 include/linux/blktrace_api.h | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 3a31eb50616..bdf505d33e7 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -24,6 +24,7 @@ enum blktrace_cat {
 	BLK_TC_AHEAD	= 1 << 11,	/* readahead */
 	BLK_TC_META	= 1 << 12,	/* metadata */
 	BLK_TC_DISCARD	= 1 << 13,	/* discard requests */
+	BLK_TC_DRV_DATA	= 1 << 14,	/* binary per-driver data */
 
 	BLK_TC_END	= 1 << 15,	/* only 16-bits, reminder */
 };
@@ -51,6 +52,7 @@ enum blktrace_act {
 	__BLK_TA_BOUNCE,		/* bio was bounced */
 	__BLK_TA_REMAP,			/* bio was remapped */
 	__BLK_TA_ABORT,			/* request aborted */
+	__BLK_TA_DRV_DATA,		/* driver-specific binary data */
 };
 
 /*
@@ -82,6 +84,7 @@ enum blktrace_notify {
 #define BLK_TA_BOUNCE		(__BLK_TA_BOUNCE)
 #define BLK_TA_REMAP		(__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE))
 #define BLK_TA_ABORT		(__BLK_TA_ABORT | BLK_TC_ACT(BLK_TC_QUEUE))
+#define BLK_TA_DRV_DATA	(__BLK_TA_DRV_DATA | BLK_TC_ACT(BLK_TC_DRV_DATA))
 
 #define BLK_TN_PROCESS		(__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY))
 #define BLK_TN_TIMESTAMP	(__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY))
@@ -317,6 +320,34 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
 	__blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r);
 }
 
+/**
+ * blk_add_driver_data - Add binary message with driver-specific data
+ * @q:		queue the io is for
+ * @rq:		io request
+ * @data:	driver-specific data
+ * @len:	length of driver-specific data
+ *
+ * Description:
+ *     Some drivers might want to write driver-specific data per request.
+ *
+ **/
+static inline void blk_add_driver_data(struct request_queue *q,
+				       struct request *rq,
+				       void *data, size_t len)
+{
+	struct blk_trace *bt = q->blk_trace;
+
+	if (likely(!bt))
+		return;
+
+	if (blk_pc_request(rq))
+		__blk_add_trace(bt, 0, rq->data_len, 0, BLK_TA_DRV_DATA,
+				rq->errors, len, data);
+	else
+		__blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9,
+				0, BLK_TA_DRV_DATA, rq->errors, len, data);
+}
+
 extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
 			   char __user *arg);
 extern int blk_trace_startstop(struct request_queue *q, int start);
@@ -330,6 +361,7 @@ extern int blk_trace_remove(struct request_queue *q);
 #define blk_add_trace_generic(q, rq, rw, what)	do { } while (0)
 #define blk_add_trace_pdu_int(q, what, bio, pdu)	do { } while (0)
 #define blk_add_trace_remap(q, bio, dev, f, t)	do {} while (0)
+#define blk_add_driver_data(q, rq, data, len)	do {} while (0)
 #define do_blk_trace_setup(q, name, dev, buts)	(-ENOTTY)
 #define blk_trace_setup(q, name, dev, arg)	(-ENOTTY)
 #define blk_trace_startstop(q, start)		(-ENOTTY)
-- 
GitLab


From 0997f1c5fec0b540784611036d458a84a1f7029a Mon Sep 17 00:00:00 2001
From: Stefan Raspl <raspl@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 08:23:39 +0200
Subject: [PATCH 0833/2224] blktrace: pass zfcp driver data

This patch writes the channel and fabric latencies in nanoseconds per
request via blktrace for later analysis. The utilization of the inbound
and outbound adapter queue is also reported.

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 drivers/s390/scsi/zfcp_def.h  |  2 ++
 drivers/s390/scsi/zfcp_fsf.c  | 34 ++++++++++++++++++++++++++++++++++
 drivers/s390/scsi/zfcp_fsf.h  | 12 ++++++++++++
 drivers/s390/scsi/zfcp_qdio.c |  1 +
 4 files changed, 49 insertions(+)

diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 8a13071c444..9ce4c75bd19 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -583,6 +583,8 @@ struct zfcp_fsf_req {
 	unsigned long long     issued;         /* request sent time (STCK) */
 	struct zfcp_unit       *unit;
 	void			(*handler)(struct zfcp_fsf_req *);
+	u16			qdio_outb_usage;/* usage of outbound queue */
+	u16			qdio_inb_usage;	/* usage of inbound queue */
 };
 
 /* driver data */
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 739356a5c12..5ae1d497e5e 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -6,6 +6,7 @@
  * Copyright IBM Corporation 2002, 2008
  */
 
+#include <linux/blktrace_api.h>
 #include "zfcp_ext.h"
 
 static void zfcp_fsf_request_timeout_handler(unsigned long data)
@@ -777,6 +778,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
 	list_add_tail(&req->list, &adapter->req_list[idx]);
 	spin_unlock(&adapter->req_list_lock);
 
+	req->qdio_outb_usage = atomic_read(&req_q->count);
 	req->issued = get_clock();
 	if (zfcp_qdio_send(req)) {
 		/* Queues are down..... */
@@ -2082,6 +2084,36 @@ static void zfcp_fsf_req_latency(struct zfcp_fsf_req *req)
 	spin_unlock_irqrestore(&unit->latencies.lock, flags);
 }
 
+#ifdef CONFIG_BLK_DEV_IO_TRACE
+static void zfcp_fsf_trace_latency(struct zfcp_fsf_req *fsf_req)
+{
+	struct fsf_qual_latency_info *lat_inf;
+	struct scsi_cmnd *scsi_cmnd = (struct scsi_cmnd *)fsf_req->data;
+	struct request *req = scsi_cmnd->request;
+	struct zfcp_blk_drv_data trace;
+	int ticks = fsf_req->adapter->timer_ticks;
+
+	trace.flags = 0;
+	trace.magic = ZFCP_BLK_DRV_DATA_MAGIC;
+	if (fsf_req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA) {
+		trace.flags |= ZFCP_BLK_LAT_VALID;
+		lat_inf = &fsf_req->qtcb->prefix.prot_status_qual.latency_info;
+		trace.channel_lat = lat_inf->channel_lat * ticks;
+		trace.fabric_lat = lat_inf->fabric_lat * ticks;
+	}
+	if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR)
+		trace.flags |= ZFCP_BLK_REQ_ERROR;
+	trace.inb_usage = fsf_req->qdio_inb_usage;
+	trace.outb_usage = fsf_req->qdio_outb_usage;
+
+	blk_add_driver_data(req->q, req, &trace, sizeof(trace));
+}
+#else
+static inline void zfcp_fsf_trace_latency(struct zfcp_fsf_req *fsf_req)
+{
+}
+#endif
+
 static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req)
 {
 	struct scsi_cmnd *scpnt = req->data;
@@ -2114,6 +2146,8 @@ static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req)
 	if (req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA)
 		zfcp_fsf_req_latency(req);
 
+	zfcp_fsf_trace_latency(req);
+
 	if (unlikely(fcp_rsp_iu->validity.bits.fcp_rsp_len_valid)) {
 		if (fcp_rsp_info[3] == RSP_CODE_GOOD)
 			set_host_byte(scpnt, DID_OK);
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index fd3a88777ac..fa2a3178061 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -439,4 +439,16 @@ struct fsf_qtcb {
 	u8 log[FSF_QTCB_LOG_SIZE];
 } __attribute__ ((packed));
 
+struct zfcp_blk_drv_data {
+#define ZFCP_BLK_DRV_DATA_MAGIC			0x1
+	u32 magic;
+#define ZFCP_BLK_LAT_VALID			0x1
+#define ZFCP_BLK_REQ_ERROR			0x2
+	u16 flags;
+	u8 inb_usage;
+	u8 outb_usage;
+	u64 channel_lat;
+	u64 fabric_lat;
+} __attribute__ ((packed));
+
 #endif				/* FSF_H */
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 3e05080e62d..664752f90b2 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -115,6 +115,7 @@ static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter,
 	spin_unlock_irqrestore(&adapter->req_list_lock, flags);
 
 	fsf_req->sbal_response = sbal_idx;
+	fsf_req->qdio_inb_usage = atomic_read(&adapter->resp_q.count);
 	zfcp_fsf_req_complete(fsf_req);
 }
 
-- 
GitLab


From 713ada9ba94f2ad874cffd074b83e3dc681ca82f Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Thu, 16 Oct 2008 13:44:57 +0200
Subject: [PATCH 0834/2224] block: move q->unplug_work initialization

modprobe loop; rmmod loop effectively creates a blk_queue and destroys it
which results in q->unplug_work being canceled without it ever being
initialized.

Therefore, move the initialization of q->unplug_work from
blk_queue_make_request() to blk_alloc_queue*().

Reported-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-core.c     | 1 +
 block/blk-settings.c | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 8517264eb71..fcbd56dd41f 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -515,6 +515,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 	init_timer(&q->unplug_timer);
 	setup_timer(&q->timeout, blk_rq_timed_out_timer, (unsigned long) q);
 	INIT_LIST_HEAD(&q->timeout_list);
+	INIT_WORK(&q->unplug_work, blk_unplug_work);
 
 	kobject_init(&q->kobj, &blk_queue_ktype);
 
diff --git a/block/blk-settings.c b/block/blk-settings.c
index b21dcdb6415..41392fbe19f 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -141,8 +141,6 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)
 	if (q->unplug_delay == 0)
 		q->unplug_delay = 1;
 
-	INIT_WORK(&q->unplug_work, blk_unplug_work);
-
 	q->unplug_timer.function = blk_unplug_timeout;
 	q->unplug_timer.data = (unsigned long)q;
 
-- 
GitLab


From f05810c9962bba3e809f07619bda1bfdebbfbfb9 Mon Sep 17 00:00:00 2001
From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Thu, 16 Oct 2008 16:31:54 -0700
Subject: [PATCH 0835/2224] dmar: use spin_lock_irqsave() in qi_submit_sync()

Next patch in the series will use queued invalidation interface
qi_submit_sync() for DMA-remapping aswell, which can be called from interrupt
context.

So use spin_lock_irqsave() instead of spin_lock() in qi_submit_sync().

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index e842e756308..b64cec19054 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -580,11 +580,11 @@ void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu)
 
 	hw = qi->desc;
 
-	spin_lock(&qi->q_lock);
+	spin_lock_irqsave(&qi->q_lock, flags);
 	while (qi->free_cnt < 3) {
-		spin_unlock(&qi->q_lock);
+		spin_unlock_irqrestore(&qi->q_lock, flags);
 		cpu_relax();
-		spin_lock(&qi->q_lock);
+		spin_lock_irqsave(&qi->q_lock, flags);
 	}
 
 	index = qi->free_head;
@@ -605,15 +605,22 @@ void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu)
 	qi->free_head = (qi->free_head + 2) % QI_LENGTH;
 	qi->free_cnt -= 2;
 
-	spin_lock_irqsave(&iommu->register_lock, flags);
+	spin_lock(&iommu->register_lock);
 	/*
 	 * update the HW tail register indicating the presence of
 	 * new descriptors.
 	 */
 	writel(qi->free_head << 4, iommu->reg + DMAR_IQT_REG);
-	spin_unlock_irqrestore(&iommu->register_lock, flags);
+	spin_unlock(&iommu->register_lock);
 
 	while (qi->desc_status[wait_index] != QI_DONE) {
+		/*
+		 * We will leave the interrupts disabled, to prevent interrupt
+		 * context to queue another cmd while a cmd is already submitted
+		 * and waiting for completion on this cpu. This is to avoid
+		 * a deadlock where the interrupt context can wait indefinitely
+		 * for free slots in the queue.
+		 */
 		spin_unlock(&qi->q_lock);
 		cpu_relax();
 		spin_lock(&qi->q_lock);
@@ -622,7 +629,7 @@ void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu)
 	qi->desc_status[index] = QI_DONE;
 
 	reclaim_free_desc(qi);
-	spin_unlock(&qi->q_lock);
+	spin_unlock_irqrestore(&qi->q_lock, flags);
 }
 
 /*
-- 
GitLab


From 3481f21097cb560392c411377893b5109fbde557 Mon Sep 17 00:00:00 2001
From: Youquan Song <youquan.song@intel.com>
Date: Thu, 16 Oct 2008 16:31:55 -0700
Subject: [PATCH 0836/2224] dmar: context cache and IOTLB invalidation using
 queued invalidation

Implement context cache invalidate and IOTLB invalidation using
queued invalidation interface. This interface will be used by
DMA remapping, when queued invalidation is supported.

Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c          | 56 +++++++++++++++++++++++++++++++++++++
 include/linux/intel-iommu.h | 21 ++++++++++++++
 2 files changed, 77 insertions(+)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index b64cec19054..0f409e23631 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -645,6 +645,62 @@ void qi_global_iec(struct intel_iommu *iommu)
 	qi_submit_sync(&desc, iommu);
 }
 
+int qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid, u8 fm,
+		     u64 type, int non_present_entry_flush)
+{
+
+	struct qi_desc desc;
+
+	if (non_present_entry_flush) {
+		if (!cap_caching_mode(iommu->cap))
+			return 1;
+		else
+			did = 0;
+	}
+
+	desc.low = QI_CC_FM(fm) | QI_CC_SID(sid) | QI_CC_DID(did)
+			| QI_CC_GRAN(type) | QI_CC_TYPE;
+	desc.high = 0;
+
+	qi_submit_sync(&desc, iommu);
+
+	return 0;
+
+}
+
+int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
+		   unsigned int size_order, u64 type,
+		   int non_present_entry_flush)
+{
+	u8 dw = 0, dr = 0;
+
+	struct qi_desc desc;
+	int ih = 0;
+
+	if (non_present_entry_flush) {
+		if (!cap_caching_mode(iommu->cap))
+			return 1;
+		else
+			did = 0;
+	}
+
+	if (cap_write_drain(iommu->cap))
+		dw = 1;
+
+	if (cap_read_drain(iommu->cap))
+		dr = 1;
+
+	desc.low = QI_IOTLB_DID(did) | QI_IOTLB_DR(dr) | QI_IOTLB_DW(dw)
+		| QI_IOTLB_GRAN(type) | QI_IOTLB_TYPE;
+	desc.high = QI_IOTLB_ADDR(addr) | QI_IOTLB_IH(ih)
+		| QI_IOTLB_AM(size_order);
+
+	qi_submit_sync(&desc, iommu);
+
+	return 0;
+
+}
+
 /*
  * Enable Queued Invalidation interface. This is a must to support
  * interrupt-remapping. Also used by DMA-remapping, which replaces
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 2e117f30a76..0c5f5e49107 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -127,6 +127,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
 
 
 /* IOTLB_REG */
+#define DMA_TLB_FLUSH_GRANU_OFFSET  60
 #define DMA_TLB_GLOBAL_FLUSH (((u64)1) << 60)
 #define DMA_TLB_DSI_FLUSH (((u64)2) << 60)
 #define DMA_TLB_PSI_FLUSH (((u64)3) << 60)
@@ -140,6 +141,7 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
 #define DMA_TLB_MAX_SIZE (0x3f)
 
 /* INVALID_DESC */
+#define DMA_CCMD_INVL_GRANU_OFFSET  61
 #define DMA_ID_TLB_GLOBAL_FLUSH	(((u64)1) << 3)
 #define DMA_ID_TLB_DSI_FLUSH	(((u64)2) << 3)
 #define DMA_ID_TLB_PSI_FLUSH	(((u64)3) << 3)
@@ -238,6 +240,19 @@ enum {
 #define QI_IWD_STATUS_DATA(d)	(((u64)d) << 32)
 #define QI_IWD_STATUS_WRITE	(((u64)1) << 5)
 
+#define QI_IOTLB_DID(did) 	(((u64)did) << 16)
+#define QI_IOTLB_DR(dr) 	(((u64)dr) << 7)
+#define QI_IOTLB_DW(dw) 	(((u64)dw) << 6)
+#define QI_IOTLB_GRAN(gran) 	(((u64)gran) >> (DMA_TLB_FLUSH_GRANU_OFFSET-4))
+#define QI_IOTLB_ADDR(addr)	(((u64)addr) & PAGE_MASK_4K)
+#define QI_IOTLB_IH(ih)		(((u64)ih) << 6)
+#define QI_IOTLB_AM(am)		(((u8)am))
+
+#define QI_CC_FM(fm)		(((u64)fm) << 48)
+#define QI_CC_SID(sid)		(((u64)sid) << 32)
+#define QI_CC_DID(did)		(((u64)did) << 16)
+#define QI_CC_GRAN(gran)	(((u64)gran) >> (DMA_CCMD_INVL_GRANU_OFFSET-4))
+
 struct qi_desc {
 	u64 low, high;
 };
@@ -303,6 +318,12 @@ extern void free_iommu(struct intel_iommu *iommu);
 extern int dmar_enable_qi(struct intel_iommu *iommu);
 extern void qi_global_iec(struct intel_iommu *iommu);
 
+extern int qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid,
+			        u8 fm, u64 type, int non_present_entry_flush);
+extern int qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
+			  unsigned int size_order, u64 type,
+			  int non_present_entry_flush);
+
 extern void qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
 
 void intel_iommu_domain_exit(struct dmar_domain *domain);
-- 
GitLab


From a77b67d4023770805141014b8fa9eb5467457817 Mon Sep 17 00:00:00 2001
From: Youquan Song <youquan.song@intel.com>
Date: Thu, 16 Oct 2008 16:31:56 -0700
Subject: [PATCH 0837/2224] dmar: Use queued invalidation interface for IOTLB
 and context invalidation

If queued invalidation interface is available and enabled, queued invalidation
interface will be used instead of the register based interface.

According to Vt-d2 specification, when queued invalidation is enabled,
invalidation command submit works only through invalidation queue and not
through the command registers interface.

Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c   | 95 ++++++++++++++++++-------------------
 include/linux/intel-iommu.h |  8 ++++
 2 files changed, 53 insertions(+), 50 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index fc5f2dbf532..50947041913 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -567,27 +567,6 @@ static int __iommu_flush_context(struct intel_iommu *iommu,
 	return 0;
 }
 
-static int inline iommu_flush_context_global(struct intel_iommu *iommu,
-	int non_present_entry_flush)
-{
-	return __iommu_flush_context(iommu, 0, 0, 0, DMA_CCMD_GLOBAL_INVL,
-		non_present_entry_flush);
-}
-
-static int inline iommu_flush_context_domain(struct intel_iommu *iommu, u16 did,
-	int non_present_entry_flush)
-{
-	return __iommu_flush_context(iommu, did, 0, 0, DMA_CCMD_DOMAIN_INVL,
-		non_present_entry_flush);
-}
-
-static int inline iommu_flush_context_device(struct intel_iommu *iommu,
-	u16 did, u16 source_id, u8 function_mask, int non_present_entry_flush)
-{
-	return __iommu_flush_context(iommu, did, source_id, function_mask,
-		DMA_CCMD_DEVICE_INVL, non_present_entry_flush);
-}
-
 /* return value determine if we need a write buffer flush */
 static int __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did,
 	u64 addr, unsigned int size_order, u64 type,
@@ -660,20 +639,6 @@ static int __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did,
 	return 0;
 }
 
-static int inline iommu_flush_iotlb_global(struct intel_iommu *iommu,
-	int non_present_entry_flush)
-{
-	return __iommu_flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH,
-		non_present_entry_flush);
-}
-
-static int inline iommu_flush_iotlb_dsi(struct intel_iommu *iommu, u16 did,
-	int non_present_entry_flush)
-{
-	return __iommu_flush_iotlb(iommu, did, 0, 0, DMA_TLB_DSI_FLUSH,
-		non_present_entry_flush);
-}
-
 static int iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did,
 	u64 addr, unsigned int pages, int non_present_entry_flush)
 {
@@ -684,8 +649,9 @@ static int iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did,
 
 	/* Fallback to domain selective flush if no PSI support */
 	if (!cap_pgsel_inv(iommu->cap))
-		return iommu_flush_iotlb_dsi(iommu, did,
-			non_present_entry_flush);
+		return iommu->flush.flush_iotlb(iommu, did, 0, 0,
+						DMA_TLB_DSI_FLUSH,
+						non_present_entry_flush);
 
 	/*
 	 * PSI requires page size to be 2 ^ x, and the base address is naturally
@@ -694,11 +660,12 @@ static int iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did,
 	mask = ilog2(__roundup_pow_of_two(pages));
 	/* Fallback to domain selective flush if size is too big */
 	if (mask > cap_max_amask_val(iommu->cap))
-		return iommu_flush_iotlb_dsi(iommu, did,
-			non_present_entry_flush);
+		return iommu->flush.flush_iotlb(iommu, did, 0, 0,
+			DMA_TLB_DSI_FLUSH, non_present_entry_flush);
 
-	return __iommu_flush_iotlb(iommu, did, addr, mask,
-		DMA_TLB_PSI_FLUSH, non_present_entry_flush);
+	return iommu->flush.flush_iotlb(iommu, did, addr, mask,
+					DMA_TLB_PSI_FLUSH,
+					non_present_entry_flush);
 }
 
 static void iommu_disable_protect_mem_regions(struct intel_iommu *iommu)
@@ -1204,11 +1171,13 @@ static int domain_context_mapping_one(struct dmar_domain *domain,
 	__iommu_flush_cache(iommu, context, sizeof(*context));
 
 	/* it's a non-present to present mapping */
-	if (iommu_flush_context_device(iommu, domain->id,
-			(((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT, 1))
+	if (iommu->flush.flush_context(iommu, domain->id,
+		(((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT,
+		DMA_CCMD_DEVICE_INVL, 1))
 		iommu_flush_write_buffer(iommu);
 	else
-		iommu_flush_iotlb_dsi(iommu, 0, 0);
+		iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_DSI_FLUSH, 0);
+
 	spin_unlock_irqrestore(&iommu->lock, flags);
 	return 0;
 }
@@ -1310,8 +1279,10 @@ domain_page_mapping(struct dmar_domain *domain, dma_addr_t iova,
 static void detach_domain_for_dev(struct dmar_domain *domain, u8 bus, u8 devfn)
 {
 	clear_context_table(domain->iommu, bus, devfn);
-	iommu_flush_context_global(domain->iommu, 0);
-	iommu_flush_iotlb_global(domain->iommu, 0);
+	domain->iommu->flush.flush_context(domain->iommu, 0, 0, 0,
+					   DMA_CCMD_GLOBAL_INVL, 0);
+	domain->iommu->flush.flush_iotlb(domain->iommu, 0, 0, 0,
+					 DMA_TLB_GLOBAL_FLUSH, 0);
 }
 
 static void domain_remove_dev_info(struct dmar_domain *domain)
@@ -1662,6 +1633,28 @@ int __init init_dmars(void)
 		}
 	}
 
+	for_each_drhd_unit(drhd) {
+		if (drhd->ignored)
+			continue;
+
+		iommu = drhd->iommu;
+		if (dmar_enable_qi(iommu)) {
+			/*
+			 * Queued Invalidate not enabled, use Register Based
+			 * Invalidate
+			 */
+			iommu->flush.flush_context = __iommu_flush_context;
+			iommu->flush.flush_iotlb = __iommu_flush_iotlb;
+			printk(KERN_INFO "IOMMU 0x%Lx: using Register based "
+			       "invalidation\n", drhd->reg_base_addr);
+		} else {
+			iommu->flush.flush_context = qi_flush_context;
+			iommu->flush.flush_iotlb = qi_flush_iotlb;
+			printk(KERN_INFO "IOMMU 0x%Lx: using Queued "
+			       "invalidation\n", drhd->reg_base_addr);
+		}
+	}
+
 	/*
 	 * For each rmrr
 	 *   for each dev attached to rmrr
@@ -1714,9 +1707,10 @@ int __init init_dmars(void)
 
 		iommu_set_root_entry(iommu);
 
-		iommu_flush_context_global(iommu, 0);
-		iommu_flush_iotlb_global(iommu, 0);
-
+		iommu->flush.flush_context(iommu, 0, 0, 0, DMA_CCMD_GLOBAL_INVL,
+					   0);
+		iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH,
+					 0);
 		iommu_disable_protect_mem_regions(iommu);
 
 		ret = iommu_enable_translation(iommu);
@@ -1891,7 +1885,8 @@ static void flush_unmaps(void)
 			struct intel_iommu *iommu =
 				deferred_flush[i].domain[0]->iommu;
 
-			iommu_flush_iotlb_global(iommu, 0);
+			iommu->flush.flush_iotlb(iommu, 0, 0, 0,
+						 DMA_TLB_GLOBAL_FLUSH, 0);
 			for (j = 0; j < deferred_flush[i].next; j++) {
 				__free_iova(&deferred_flush[i].domain[j]->iovad,
 						deferred_flush[i].iova[j]);
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 0c5f5e49107..afb0d2a5b7c 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -278,6 +278,13 @@ struct ir_table {
 };
 #endif
 
+struct iommu_flush {
+	int (*flush_context)(struct intel_iommu *iommu, u16 did, u16 sid, u8 fm,
+		u64 type, int non_present_entry_flush);
+	int (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr,
+		unsigned int size_order, u64 type, int non_present_entry_flush);
+};
+
 struct intel_iommu {
 	void __iomem	*reg; /* Pointer to hardware regs, virtual addr */
 	u64		cap;
@@ -297,6 +304,7 @@ struct intel_iommu {
 	unsigned char name[7];    /* Device Name */
 	struct msi_msg saved_msg;
 	struct sys_device sysdev;
+	struct iommu_flush flush;
 #endif
 	struct q_inval  *qi;            /* Queued invalidation info */
 #ifdef CONFIG_INTR_REMAP
-- 
GitLab


From cacd4213d8ffed83676f38d5d8e93c673e0f1af7 Mon Sep 17 00:00:00 2001
From: Youquan Song <youquan.song@intel.com>
Date: Thu, 16 Oct 2008 16:31:57 -0700
Subject: [PATCH 0838/2224] dmar: remove the quirk which disables dma-remapping
 when intr-remapping enabled

Now that we have DMA-remapping support for queued invalidation, we
can enable both DMA-remapping and interrupt-remapping at the same time.

Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 0f409e23631..44d6c7081b8 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -455,8 +455,8 @@ void __init detect_intel_iommu(void)
 
 	ret = early_dmar_detect();
 
-#ifdef CONFIG_DMAR
 	{
+#ifdef CONFIG_INTR_REMAP
 		struct acpi_table_dmar *dmar;
 		/*
 		 * for now we will disable dma-remapping when interrupt
@@ -465,28 +465,18 @@ void __init detect_intel_iommu(void)
 		 * is added, we will not need this any more.
 		 */
 		dmar = (struct acpi_table_dmar *) dmar_tbl;
-		if (ret && cpu_has_x2apic && dmar->flags & 0x1) {
+		if (ret && cpu_has_x2apic && dmar->flags & 0x1)
 			printk(KERN_INFO
 			       "Queued invalidation will be enabled to support "
 			       "x2apic and Intr-remapping.\n");
-			printk(KERN_INFO
-			       "Disabling IOMMU detection, because of missing "
-			       "queued invalidation support for IOTLB "
-			       "invalidation\n");
-			printk(KERN_INFO
-			       "Use \"nox2apic\", if you want to use Intel "
-			       " IOMMU for DMA-remapping and don't care about "
-			       " x2apic support\n");
-
-			dmar_disabled = 1;
-			return;
-		}
+#endif
 
+#ifdef CONFIG_DMAR
 		if (ret && !no_iommu && !iommu_detected && !swiotlb &&
 		    !dmar_disabled)
 			iommu_detected = 1;
-	}
 #endif
+	}
 }
 
 
-- 
GitLab


From 4bd9b9dc97e344670e9e5762399a07dcd5f15311 Mon Sep 17 00:00:00 2001
From: Chris J Arges <arges@linux.vnet.ibm.com>
Date: Wed, 15 Oct 2008 11:03:39 -0500
Subject: [PATCH 0839/2224] oprofile: hotplug cpu fix

This patch addresses problems when hotplugging cpus while
profiling. Instead of allocating only online cpus, all possible cpu
buffers are allocated, which allows cpus to be onlined during
operation. If a cpu is offlined before profiling is shutdown
wq_sync_buffer checks for this condition then cancels this work and
does not sync this buffer.

Signed-off-by: Chris J Arges <arges@linux.vnet.ibm.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 drivers/oprofile/cpu_buffer.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 5a178065cfa..67bcc1c95e6 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -39,7 +39,7 @@ void free_cpu_buffers(void)
 {
 	int i;
 
-	for_each_online_cpu(i) {
+	for_each_possible_cpu(i) {
 		vfree(per_cpu(cpu_buffer, i).buffer);
 		per_cpu(cpu_buffer, i).buffer = NULL;
 	}
@@ -51,7 +51,7 @@ int alloc_cpu_buffers(void)
 
 	unsigned long buffer_size = fs_cpu_buffer_size;
 
-	for_each_online_cpu(i) {
+	for_each_possible_cpu(i) {
 		struct oprofile_cpu_buffer *b = &per_cpu(cpu_buffer, i);
 
 		b->buffer = vmalloc_node(sizeof(struct op_sample) * buffer_size,
@@ -350,6 +350,11 @@ static void wq_sync_buffer(struct work_struct *work)
 	if (b->cpu != smp_processor_id()) {
 		printk(KERN_DEBUG "WQ on CPU%d, prefer CPU%d\n",
 		       smp_processor_id(), b->cpu);
+
+		if (!cpu_online(b->cpu)) {
+			cancel_delayed_work(&b->work);
+			return;
+		}
 	}
 	sync_buffer(b->cpu);
 
-- 
GitLab


From 8cf7d362c0dc2cfda2146d184eedc32a530c8020 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 17 Oct 2008 11:25:23 +0200
Subject: [PATCH 0840/2224] profiling: fix !procfs build

fix:

 kernel/built-in.o: In function `profiling_store':
 ksysfs.c:(.text+0x1f90c): undefined reference to `create_proc_profile'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/profile.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/profile.h b/include/linux/profile.h
index 570045053ce..e3eca8577a3 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -37,7 +37,14 @@ extern int prof_on __read_mostly;
 /* init basic kernel profiler */
 int profile_init(void);
 int profile_setup(char *str);
+#ifdef CONFIG_PROC_FS
 int create_proc_profile(void);
+#else
+static inline int create_proc_profile(void)
+{
+	return 0;
+}
+#endif
 void profile_tick(int type);
 
 /*
-- 
GitLab


From f73e2d13a16cc88c4faa4729967f92bfeec8a142 Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Fri, 17 Oct 2008 14:03:08 +0200
Subject: [PATCH 0841/2224] block: remove __generic_unplug_device() from
 exports

The only out-of-core user is IDE, and that should be using
blk_start_queueing() instead.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/blk-core.c       | 1 -
 block/blk.h            | 1 +
 drivers/ide/ide-io.c   | 4 ++--
 include/linux/blkdev.h | 1 -
 4 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index fcbd56dd41f..81a49600497 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -257,7 +257,6 @@ void __generic_unplug_device(struct request_queue *q)
 
 	q->request_fn(q);
 }
-EXPORT_SYMBOL(__generic_unplug_device);
 
 /**
  * generic_unplug_device - fire a request queue
diff --git a/block/blk.h b/block/blk.h
index e5c57976996..d2e49af90db 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -20,6 +20,7 @@ void blk_unplug_timeout(unsigned long data);
 void blk_rq_timed_out_timer(unsigned long data);
 void blk_delete_timer(struct request *);
 void blk_add_timer(struct request *);
+void __generic_unplug_device(struct request_queue *);
 
 /*
  * Internal atomic flags for request handling
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 77c6eaeacef..7162d67562a 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1493,8 +1493,8 @@ void ide_do_drive_cmd(ide_drive_t *drive, struct request *rq)
 
 	spin_lock_irqsave(&ide_lock, flags);
 	hwgroup->rq = NULL;
-	__elv_add_request(drive->queue, rq, ELEVATOR_INSERT_FRONT, 1);
-	__generic_unplug_device(drive->queue);
+	__elv_add_request(drive->queue, rq, ELEVATOR_INSERT_FRONT, 0);
+	blk_start_queueing(drive->queue);
 	spin_unlock_irqrestore(&ide_lock, flags);
 }
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a92d9e4ea96..8eed8b15f99 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -856,7 +856,6 @@ extern void blk_ordered_complete_seq(struct request_queue *, unsigned, int);
 extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
 extern void blk_dump_rq_flags(struct request *, char *);
 extern void generic_unplug_device(struct request_queue *);
-extern void __generic_unplug_device(struct request_queue *);
 extern long nr_blockdev_pages(void);
 
 int blk_get_queue(struct request_queue *);
-- 
GitLab


From 35f53aafb60ebc3a26e5508e0e87bfc88c703654 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Fri, 17 Oct 2008 13:19:08 +0100
Subject: [PATCH 0842/2224] [ARM] pxa: fix redefinition of NR_IRQS

arch/arm/mach-pxa/include/mach/irqs.h:193:1: warning: "NR_IRQS" redefined
arch/arm/mach-pxa/include/mach/irqs.h:263:1: warning: this is the location of the previous definition

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-pxa/include/mach/irqs.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index 9c163e19ada..32bb4a2eb7f 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -9,7 +9,8 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#ifndef __ASM_MACH_IRQS_H
+#define __ASM_MACH_IRQS_H
 
 #ifdef CONFIG_PXA_HAVE_ISA_IRQS
 #define PXA_ISA_IRQ(x)	(x)
@@ -264,3 +265,5 @@
 #endif
 
 #endif /* CONFIG_PCI_HOST_ITE8152 */
+
+#endif /* __ASM_MACH_IRQS_H */
-- 
GitLab


From 3038edabf48f01421c621cb77a712b446d3a5d67 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Fri, 17 Oct 2008 01:26:27 +0200
Subject: [PATCH 0843/2224] x86 ACPI: fix breakage of resume on 64-bit UP
 systems with SMP kernel

x86 ACPI: Fix breakage of resume on 64-bit UP systems with SMP kernel

We are now using per CPU GDT tables in head_64.S and the original
early_gdt_descr.address is invalidated after boot by
setup_per_cpu_areas().  This breaks resume from suspend to RAM on
x86_64 UP systems using SMP kernels, because this part of head_64.S
is also executed during the resume and the invalid GDT address
causes the system to crash.  It doesn't break on 'true' SMP systems,
because early_gdt_descr.address is modified every time
native_cpu_up() runs.  However, during resume it should point to the
GDT of the boot CPU rather than to another CPU's GDT.

For this reason, during suspend to RAM always make
early_gdt_descr.address point to the boot CPU's GDT.

This fixes http://bugzilla.kernel.org/show_bug.cgi?id=11568, which
is a regression from 2.6.26.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Reported-and-tested-by: Andy Wettstein <ajw1980@gmail.com>
---
 arch/x86/kernel/acpi/sleep.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 426e5d91b63..c44cd6dbfa1 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -10,6 +10,7 @@
 #include <linux/dmi.h>
 #include <linux/cpumask.h>
 #include <asm/segment.h>
+#include <asm/desc.h>
 
 #include "realmode/wakeup.h"
 #include "sleep.h"
@@ -98,6 +99,8 @@ int acpi_save_state_mem(void)
 	header->trampoline_segment = setup_trampoline() >> 4;
 #ifdef CONFIG_SMP
 	stack_start.sp = temp_stack + 4096;
+	early_gdt_descr.address =
+			(unsigned long)get_cpu_gdt_table(smp_processor_id());
 #endif
 	initial_code = (unsigned long)wakeup_long64;
 	saved_magic = 0x123456789abcdef0;
-- 
GitLab


From 957cf333b5284943c4866e1d0339a105d2762c9c Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Fri, 17 Oct 2008 13:39:26 +0100
Subject: [PATCH 0844/2224] [ARM] pxa: fix
 3bca103a1e658d23737d20e1989139d9ca8973bf

arch/arm/common/sa1111.c:593: error: implicit declaration of function 'dmabounce_register_dev'

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/common/sa1111.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index fb86f248aab..6094c34d9ba 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -581,6 +581,7 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent,
 		goto out;
 	}
 
+#ifdef CONFIG_DMABOUNCE
 	/*
 	 * If the parent device has a DMA mask associated with it,
 	 * propagate it down to the children.
@@ -598,6 +599,7 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent,
 			}
 		}
 	}
+#endif
 
 out:
 	return ret;
-- 
GitLab


From e4d2a5985af957d2c0da61fb978d0c414b92a562 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anders=20Grafstr=C3=B6m?= <grfstrm@users.sourceforge.net>
Date: Thu, 16 Oct 2008 17:37:24 +0100
Subject: [PATCH 0845/2224] [ARM] 5310/1: Fix cache flush functions for ARMv4
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

ARMv4 (ARM720T) cache flush functions are broken in 2.6.19+ kernels.
The issue was introduced by commit f12d0d7c7786af39435ef6ae9defe47fb58f6091
This patch corrects the CPU_CP15 ifdef statements so that they actually
do something.

Signed-off-by: Anders Grafström <grfstrm@users.sourceforge.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mm/cache-v4.S | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S
index 33926c9fcda..5786adf1004 100644
--- a/arch/arm/mm/cache-v4.S
+++ b/arch/arm/mm/cache-v4.S
@@ -29,7 +29,7 @@ ENTRY(v4_flush_user_cache_all)
  *	Clean and invalidate the entire cache.
  */
 ENTRY(v4_flush_kern_cache_all)
-#ifdef CPU_CP15
+#ifdef CONFIG_CPU_CP15
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c7, 0		@ flush ID cache
 	mov	pc, lr
@@ -48,7 +48,7 @@ ENTRY(v4_flush_kern_cache_all)
  *	- flags	- vma_area_struct flags describing address space
  */
 ENTRY(v4_flush_user_cache_range)
-#ifdef CPU_CP15
+#ifdef CONFIG_CPU_CP15
 	mov	ip, #0
 	mcreq	p15, 0, ip, c7, c7, 0		@ flush ID cache
 	mov	pc, lr
@@ -116,7 +116,7 @@ ENTRY(v4_dma_inv_range)
  *	- end	 - virtual end address
  */
 ENTRY(v4_dma_flush_range)
-#ifdef CPU_CP15
+#ifdef CONFIG_CPU_CP15
 	mov	r0, #0
 	mcr	p15, 0, r0, c7, c7, 0		@ flush ID cache
 #endif
-- 
GitLab


From 71a35d75661271d20ff0098817070f6545e90cbe Mon Sep 17 00:00:00 2001
From: roelkluin <roel.kluin@gmail.com>
Date: Tue, 14 Oct 2008 21:28:51 +0100
Subject: [PATCH 0846/2224] [ARM] 5303/1: period_cycles should be greater than
 1

If period_cycles is 0, prescale becomes silly.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-pxa/pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/pwm.c b/arch/arm/mach-pxa/pwm.c
index 316cd986da5..74e2ead8cee 100644
--- a/arch/arm/mach-pxa/pwm.c
+++ b/arch/arm/mach-pxa/pwm.c
@@ -60,7 +60,7 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
 	do_div(c, 1000000000);
 	period_cycles = c;
 
-	if (period_cycles < 0)
+	if (period_cycles < 1)
 		period_cycles = 1;
 	prescale = (period_cycles - 1) / 1024;
 	pv = period_cycles / (prescale + 1) - 1;
-- 
GitLab


From 485bdde78747f7ce2af164406c32db23e4688925 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Fri, 17 Oct 2008 14:00:43 +0100
Subject: [PATCH 0847/2224] [ARM] dmabounce requires ZONE_DMA

Rather than having everything that needs DMABOUNCE also select
ZONE_DMA, arrange for DMABOUNCE to select it instead.  This is
far more sensible.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/Kconfig             | 2 +-
 arch/arm/common/Kconfig      | 2 +-
 arch/arm/mach-ixp4xx/Kconfig | 5 -----
 arch/arm/mach-pxa/Kconfig    | 1 -
 4 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4853f9df37b..6c73e963d97 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -354,7 +354,7 @@ config ARCH_IXP4XX
 	select GENERIC_GPIO
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
-	select ZONE_DMA if PCI
+	select DMABOUNCE if PCI
 	help
 	  Support for Intel's IXP4XX (XScale) family of processors.
 
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 2e32acca02f..86b5e698266 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -13,10 +13,10 @@ config ICST307
 config SA1111
 	bool
 	select DMABOUNCE if !ARCH_PXA
-	select ZONE_DMA if !ARCH_PXA
 
 config DMABOUNCE
 	bool
+	select ZONE_DMA
 
 config TIMER_ACORN
 	bool
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index db8b5fe06c0..2c5a02b8520 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -167,11 +167,6 @@ config MACH_GTWX5715
 
 comment "IXP4xx Options"
 
-config DMABOUNCE
-	bool
-	default y
-	depends on PCI
-
 config IXP4XX_INDIRECT_PCI
 	bool "Use indirect PCI memory access"
 	depends on PCI
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index f27f6b3d6e6..f781873431f 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -257,7 +257,6 @@ config MACH_ARMCORE
 	bool "CompuLab CM-X255/CM-X270 modules"
 	select PXA27x
 	select IWMMXT
-	select ZONE_DMA if PCI
 	select PXA25x
 	select PXA_SSP
 
-- 
GitLab


From 3be8c477d7f03c75dbd7911aa93cc6afa57fd168 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Fri, 17 Oct 2008 15:08:14 +0100
Subject: [PATCH 0848/2224] [ARM] pxa: fix trizeps defconfig

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/configs/trizeps4_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/trizeps4_defconfig b/arch/arm/configs/trizeps4_defconfig
index 8b7a431a8bf..9033d147f05 100644
--- a/arch/arm/configs/trizeps4_defconfig
+++ b/arch/arm/configs/trizeps4_defconfig
@@ -147,6 +147,7 @@ CONFIG_ARCH_PXA=y
 # CONFIG_MACH_MAINSTONE is not set
 # CONFIG_ARCH_PXA_IDP is not set
 # CONFIG_PXA_SHARPSL is not set
+CONFIG_TRIZEPS_PXA=y
 CONFIG_MACH_TRIZEPS4=y
 CONFIG_MACH_TRIZEPS4_CONXS=y
 # CONFIG_MACH_TRIZEPS4_ANY is not set
-- 
GitLab


From c97ce774b75b3e9ea32429ba57377b304227ae2c Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Fri, 17 Oct 2008 15:23:52 +0100
Subject: [PATCH 0849/2224] [ARM] pxa: fix trizeps PCMCIA build

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/pcmcia/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index b46c60b7270..23e492bf75c 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -70,7 +70,7 @@ pxa2xx-obj-$(CONFIG_MACH_MAINSTONE)		+= pxa2xx_mainstone.o
 pxa2xx-obj-$(CONFIG_PXA_SHARPSL)		+= pxa2xx_sharpsl.o
 pxa2xx-obj-$(CONFIG_MACH_ARMCORE)		+= pxa2xx_cm_x2xx_cs.o
 pxa2xx-obj-$(CONFIG_ARCH_VIPER)			+= pxa2xx_viper.o
-pxa2xx-obj-$(CONFIG_TRIZEPS_PCMCIA)		+= pxa2xx_trizeps.o
+pxa2xx-obj-$(CONFIG_TRIZEPS_PCMCIA)		+= pxa2xx_trizeps4.o
 pxa2xx-obj-$(CONFIG_MACH_PALMTX)		+= pxa2xx_palmtx.o
 pxa2xx-obj-$(CONFIG_MACH_PALMLD)		+= pxa2xx_palmld.o
 
-- 
GitLab


From 00f3ca740a9c2692a58e629d92a1c8666e394c26 Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Date: Wed, 3 Sep 2008 20:47:25 -0400
Subject: [PATCH 0850/2224] powerpc/40x: AMCC PowerPC 405EZ Acadia DTS

Add the base DTS for the AMCC PowerPC 405EZ Acadia evalution board.
In addition to some of the normal PPC 40x peripherals, the Acadia
board has:
- 64 MiB PSRAM
- NOR and NAND flash
- Two USB 1.1 host ports
- Two CAN 2.0 ports
- ADC and DAC connectors
- LCD display

This adds the basic platform support to build from.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/boot/dts/acadia.dts | 224 +++++++++++++++++++++++++++++++
 1 file changed, 224 insertions(+)
 create mode 100644 arch/powerpc/boot/dts/acadia.dts

diff --git a/arch/powerpc/boot/dts/acadia.dts b/arch/powerpc/boot/dts/acadia.dts
new file mode 100644
index 00000000000..57291f61ffe
--- /dev/null
+++ b/arch/powerpc/boot/dts/acadia.dts
@@ -0,0 +1,224 @@
+/*
+ * Device Tree Source for AMCC Acadia (405EZ)
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	model = "amcc,acadia";
+	compatible = "amcc,acadia";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		ethernet0 = &EMAC0;
+		serial0 = &UART0;
+		serial1 = &UART1;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,405EZ";
+			reg = <0x0>;
+			clock-frequency = <0>; /* Filled in by wrapper */
+			timebase-frequency = <0>; /* Filled in by wrapper */
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <16384>;
+			d-cache-size = <16384>;
+			dcr-controller;
+			dcr-access-method = "native";
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x0>; /* Filled in by wrapper */
+	};
+
+	UIC0: interrupt-controller {
+		compatible = "ibm,uic-405ez", "ibm,uic";
+		interrupt-controller;
+		dcr-reg = <0x0c0 0x009>;
+		cell-index = <0>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+	};
+
+	plb {
+		compatible = "ibm,plb-405ez", "ibm,plb3";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; /* Filled in by wrapper */
+
+		MAL0: mcmal {
+			compatible = "ibm,mcmal-405ez", "ibm,mcmal";
+			dcr-reg = <0x380 0x62>;
+			num-tx-chans = <1>;
+			num-rx-chans = <1>;
+			interrupt-parent = <&UIC0>;
+			/* 405EZ has only 3 interrupts to the UIC, as
+			 * SERR, TXDE, and RXDE are or'd together into
+			 * one UIC bit
+			 */
+			interrupts = <
+				0x13 0x4 /* TXEOB */
+				0x15 0x4 /* RXEOB */
+				0x12 0x4 /* SERR, TXDE, RXDE */>;
+		};
+
+		POB0: opb {
+			compatible = "ibm,opb-405ez", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			dcr-reg = <0x0a 0x05>;
+			clock-frequency = <0>; /* Filled in by wrapper */
+
+			UART0: serial@ef600300 {
+				device_type = "serial";
+				compatible = "ns16550";
+				reg = <0xef600300 0x8>;
+				virtual-reg = <0xef600300>;
+				clock-frequency = <0>; /* Filled in by wrapper */
+				current-speed = <115200>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x5 0x4>;
+			};
+
+			UART1: serial@ef600400 {
+				device_type = "serial";
+				compatible = "ns16550";
+				reg = <0xef600400 0x8>;
+				clock-frequency = <0>; /* Filled in by wrapper */
+				current-speed = <115200>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x6 0x4>;
+			};
+
+			IIC: i2c@ef600500 {
+				compatible = "ibm,iic-405ez", "ibm,iic";
+				reg = <0xef600500 0x11>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0xa 0x4>;
+			};
+
+			GPIO0: gpio@ef600700 {
+				compatible = "ibm,gpio-405ez";
+				reg = <0xef600700 0x20>;
+			};
+
+			GPIO1: gpio@ef600800 {
+				compatible = "ibm,gpio-405ez";
+				reg = <0xef600800 0x20>;
+			};
+
+			EMAC0: ethernet@ef600900 {
+				device_type = "network";
+				compatible = "ibm,emac-405ez", "ibm,emac";
+				interrupt-parent = <&UIC0>;
+				interrupts = <
+					0x10 0x4 /* Ethernet */
+					0x11 0x4 /* Ethernet Wake up */>;
+				local-mac-address = [000000000000]; /* Filled in by wrapper */
+				reg = <0xef600900 0x70>;
+				mal-device = <&MAL0>;
+				mal-tx-channel = <0>;
+				mal-rx-channel = <0>;
+				cell-index = <0>;
+				max-frame-size = <1500>;
+				rx-fifo-size = <4096>;
+				tx-fifo-size = <2048>;
+				phy-mode = "mii";
+				phy-map = <0x0>;
+			};
+
+			CAN0: can@ef601000 {
+				compatible = "amcc,can-405ez";
+				reg = <0xef601000 0x620>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x7 0x4>;
+			};
+
+			CAN1: can@ef601800 {
+				compatible = "amcc,can-405ez";
+				reg = <0xef601800 0x620>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x8 0x4>;
+			};
+
+			cameleon@ef602000 {
+				compatible = "amcc,cameleon-405ez";
+				reg = <0xef602000 0x800>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0xb 0x4 0xc 0x4>;
+			};
+
+			ieee1588@ef602800 {
+				compatible = "amcc,ieee1588-405ez";
+				reg = <0xef602800 0x60>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x4 0x4>;
+				/* This thing is a bit weird.  It has it's own UIC
+				 * that it uses to generate snapshot triggers.  We
+				 * don't really support this device yet, and it needs
+				 * work to figure this out.
+				 */
+				dcr-reg = <0xe0 0x9>;
+			};
+
+			usb@ef603000 {
+				compatible = "ohci-be";
+				reg = <0xef603000 0x80>;
+				interrupts-parent = <&UIC0>;
+				interrupts = <0xd 0x4 0xe 0x4>;
+			};
+
+			dac@ef603300 {
+				compatible = "amcc,dac-405ez";
+				reg = <0xef603300 0x40>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x18 0x4>;
+			};
+
+			adc@ef603400 {
+				compatible = "amcc,adc-405ez";
+				reg = <0xef603400 0x40>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x17 0x4>;
+			};
+
+			spi@ef603500 {
+				compatible = "amcc,spi-405ez";
+				reg = <0xef603500 0x100>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x9 0x4>;
+			};
+		};
+
+		EBC0: ebc {
+			compatible = "ibm,ebc-405ez", "ibm,ebc";
+			dcr-reg = <0x12 0x2>;
+			#address-cells = <2>;
+			#size-cells = <1>;
+			clock-frequency = <0>; /* Filled in by wrapper */
+		};
+	};
+
+	chosen {
+		linux,stdout-path = "/plb/opb/serial@ef600300";
+	};
+};
-- 
GitLab


From df8f71faa8e9b8b8df8b22b57889630fece25696 Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Date: Thu, 9 Oct 2008 08:56:38 -0400
Subject: [PATCH 0851/2224] powerpc/40x: Add AMCC PowerPC 405EZ to cputable

This adds the AMCC PowerPC 405EZ chip to the cputable

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/kernel/cputable.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index e70d0483fb4..b1eb834bc0f 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1277,6 +1277,19 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check		= machine_check_4xx,
 		.platform		= "ppc405",
 	},
+	{
+		/* 405EZ */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x41510000,
+		.cpu_name		= "405EZ",
+		.cpu_features		= CPU_FTRS_40X,
+		.cpu_user_features	= PPC_FEATURE_32 |
+			PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 32,
+		.machine_check		= machine_check_4xx,
+		.platform		= "ppc405",
+	},
 	{	/* default match */
 		.pvr_mask		= 0x00000000,
 		.pvr_value		= 0x00000000,
-- 
GitLab


From 8105fa88593c87f8aba0e7e829d7dc0ee94fe2cf Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Date: Wed, 3 Sep 2008 20:58:22 -0400
Subject: [PATCH 0852/2224] powerpc/40x: Add PowerPC 40x simple platform
 support

This adds a common board file for almost all of the "simple" PowerPC 40x
boards that exist today.  This is intended to be a single place to add
support for boards that do not differ in platform support from most of the
evaluation boards that are used as reference platforms.  Boards that have
specific requirements or custom hardware setup should still have their own
board.c file.

The first board ported to this is the AMCC PowerPC 405EZ Acadia board.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/platforms/40x/Kconfig         | 22 ++++++
 arch/powerpc/platforms/40x/Makefile        |  1 +
 arch/powerpc/platforms/40x/ppc40x_simple.c | 80 ++++++++++++++++++++++
 3 files changed, 103 insertions(+)
 create mode 100644 arch/powerpc/platforms/40x/ppc40x_simple.c

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index a9260e21451..72ba3a7289f 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -14,6 +14,15 @@
 #	help
 #	  This option enables support for the CPCI405 board.
 
+config ACADIA
+	bool "Acadia"
+	depends on 40x
+	default n
+	select PPC40x_SIMPLE
+	select 405EZ
+	help
+	  This option enables support for the AMCC 405EZ Acadia evaluation board.
+
 config EP405
 	bool "EP405/EP405PC"
 	depends on 40x
@@ -93,6 +102,13 @@ config XILINX_VIRTEX_GENERIC_BOARD
 	  Most Virtex designs should use this unless it needs to do some
 	  special configuration at board probe time.
 
+config PPC40x_SIMPLE
+	bool "Simple PowerPC 40x board support"
+	depends on 40x
+	default n
+	help
+	  This option enables the simple PowerPC 40x platform support.
+
 # 40x specific CPU modules, selected based on the board above.
 config NP405H
 	bool
@@ -118,6 +134,12 @@ config 405EX
 	select IBM_NEW_EMAC_EMAC4
 	select IBM_NEW_EMAC_RGMII
 
+config 405EZ
+	bool
+	select IBM_NEW_EMAC_NO_FLOW_CTRL
+	select IBM_NEW_EMAC_MAL_CLR_ICINTSTAT
+	select IBM_NEW_EMAC_MAL_COMMON_ERR
+
 config 405GPR
 	bool
 
diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
index 5533a5c8ce4..1d93273a1db 100644
--- a/arch/powerpc/platforms/40x/Makefile
+++ b/arch/powerpc/platforms/40x/Makefile
@@ -3,3 +3,4 @@ obj-$(CONFIG_MAKALU)				+= makalu.o
 obj-$(CONFIG_WALNUT)				+= walnut.o
 obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD)	+= virtex.o
 obj-$(CONFIG_EP405)				+= ep405.o
+obj-$(CONFIG_PPC40x_SIMPLE)		+= ppc40x_simple.o
diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
new file mode 100644
index 00000000000..4498a86b46c
--- /dev/null
+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
@@ -0,0 +1,80 @@
+/*
+ * Generic PowerPC 40x platform support
+ *
+ * Copyright 2008 IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; version 2 of the License.
+ *
+ * This implements simple platform support for PowerPC 44x chips.  This is
+ * mostly used for eval boards or other simple and "generic" 44x boards.  If
+ * your board has custom functions or hardware, then you will likely want to
+ * implement your own board.c file to accommodate it.
+ */
+
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc4xx.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/udbg.h>
+#include <asm/uic.h>
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+static __initdata struct of_device_id ppc40x_of_bus[] = {
+	{ .compatible = "ibm,plb3", },
+	{ .compatible = "ibm,plb4", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{ .compatible = "simple-bus", },
+	{},
+};
+
+static int __init ppc40x_device_probe(void)
+{
+	of_platform_bus_probe(NULL, ppc40x_of_bus, NULL);
+
+	return 0;
+}
+machine_device_initcall(ppc40x_simple, ppc40x_device_probe);
+
+/* This is the list of boards that can be supported by this simple
+ * platform code.  This does _not_ mean the boards are compatible,
+ * as they most certainly are not from a device tree perspective.
+ * However, their differences are handled by the device tree and the
+ * drivers and therefore they don't need custom board support files.
+ *
+ * Again, if your board needs to do things differently then create a
+ * board.c file for it rather than adding it to this list.
+ */
+static char *board[] __initdata = {
+	"amcc,acadia"
+};
+
+static int __init ppc40x_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+	int i = 0;
+
+	for (i = 0; i < ARRAY_SIZE(board); i++) {
+		if (of_flat_dt_is_compatible(root, board[i])) {
+			ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+define_machine(ppc40x_simple) {
+	.name = "PowerPC 40x Platform",
+	.probe = ppc40x_probe,
+	.progress = udbg_progress,
+	.init_IRQ = uic_init_tree,
+	.get_irq = uic_get_irq,
+	.restart = ppc4xx_reset_system,
+	.calibrate_decr = generic_calibrate_decr,
+};
-- 
GitLab


From 94c73a8f97907116e294aa27a58151cc4500e6fa Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Date: Wed, 3 Sep 2008 21:01:39 -0400
Subject: [PATCH 0853/2224] powerpc/40x: Add cuboot wrapper for Acadia board

This adds a cuboot wrapper for the AMCC PowerPC 405EZ Acadia board.  The
clocking code is derived from U-Boot, originally written by Stefan Roese.

Signed-off-by: Josh Boyer <jwboyer@linux.ibm.com>
---
 arch/powerpc/boot/Makefile        |   4 +-
 arch/powerpc/boot/cuboot-acadia.c | 174 ++++++++++++++++++++++++++++++
 2 files changed, 177 insertions(+), 1 deletion(-)
 create mode 100644 arch/powerpc/boot/cuboot-acadia.c

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index aac1406ccba..47603652e7f 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -68,7 +68,8 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c
 		fixed-head.S ep88xc.c ep405.c cuboot-c2k.c \
 		cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
 		cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
-		virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c
+		virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
+		cuboot-acadia.c
 src-boot := $(src-wlib) $(src-plat) empty.c
 
 src-boot := $(addprefix $(obj)/, $(src-boot))
@@ -211,6 +212,7 @@ image-$(CONFIG_DEFAULT_UIMAGE)		+= uImage
 # Board ports in arch/powerpc/platform/40x/Kconfig
 image-$(CONFIG_EP405)			+= dtbImage.ep405
 image-$(CONFIG_WALNUT)			+= treeImage.walnut
+image-$(CONFIG_ACADIA)			+= cuImage.acadia
 
 # Board ports in arch/powerpc/platform/44x/Kconfig
 image-$(CONFIG_EBONY)			+= treeImage.ebony cuImage.ebony
diff --git a/arch/powerpc/boot/cuboot-acadia.c b/arch/powerpc/boot/cuboot-acadia.c
new file mode 100644
index 00000000000..0634aba6348
--- /dev/null
+++ b/arch/powerpc/boot/cuboot-acadia.c
@@ -0,0 +1,174 @@
+/*
+ * Old U-boot compatibility for Acadia
+ *
+ * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Copyright 2008 IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include "ops.h"
+#include "io.h"
+#include "dcr.h"
+#include "stdio.h"
+#include "4xx.h"
+#include "44x.h"
+#include "cuboot.h"
+
+#define TARGET_4xx
+#include "ppcboot.h"
+
+static bd_t bd;
+
+#define CPR_PERD0_SPIDV_MASK   0x000F0000     /* SPI Clock Divider */
+
+#define PLLC_SRC_MASK	       0x20000000     /* PLL feedback source */
+
+#define PLLD_FBDV_MASK	       0x1F000000     /* PLL feedback divider value */
+#define PLLD_FWDVA_MASK        0x000F0000     /* PLL forward divider A value */
+#define PLLD_FWDVB_MASK        0x00000700     /* PLL forward divider B value */
+
+#define PRIMAD_CPUDV_MASK      0x0F000000     /* CPU Clock Divisor Mask */
+#define PRIMAD_PLBDV_MASK      0x000F0000     /* PLB Clock Divisor Mask */
+#define PRIMAD_OPBDV_MASK      0x00000F00     /* OPB Clock Divisor Mask */
+#define PRIMAD_EBCDV_MASK      0x0000000F     /* EBC Clock Divisor Mask */
+
+#define PERD0_PWMDV_MASK       0xFF000000     /* PWM Divider Mask */
+#define PERD0_SPIDV_MASK       0x000F0000     /* SPI Divider Mask */
+#define PERD0_U0DV_MASK        0x0000FF00     /* UART 0 Divider Mask */
+#define PERD0_U1DV_MASK        0x000000FF     /* UART 1 Divider Mask */
+
+static void get_clocks(void)
+{
+	unsigned long sysclk, cpr_plld, cpr_pllc, cpr_primad, plloutb, i;
+	unsigned long pllFwdDiv, pllFwdDivB, pllFbkDiv, pllPlbDiv, pllExtBusDiv;
+	unsigned long pllOpbDiv, freqEBC, freqUART, freqOPB;
+	unsigned long div;		/* total divisor udiv * bdiv */
+	unsigned long umin;		/* minimum udiv	*/
+	unsigned short diff;		/* smallest diff */
+	unsigned long udiv;		/* best udiv */
+	unsigned short idiff;		/* current diff */
+	unsigned short ibdiv;		/* current bdiv */
+	unsigned long est;		/* current estimate */
+	unsigned long baud;
+	void *np;
+
+	/* read the sysclk value from the CPLD */
+	sysclk = (in_8((unsigned char *)0x80000000) == 0xc) ? 66666666 : 33333000;
+
+	/*
+	 * Read PLL Mode registers
+	 */
+	cpr_plld = CPR0_READ(DCRN_CPR0_PLLD);
+	cpr_pllc = CPR0_READ(DCRN_CPR0_PLLC);
+
+	/*
+	 * Determine forward divider A
+	 */
+	pllFwdDiv = ((cpr_plld & PLLD_FWDVA_MASK) >> 16);
+
+	/*
+	 * Determine forward divider B
+	 */
+	pllFwdDivB = ((cpr_plld & PLLD_FWDVB_MASK) >> 8);
+	if (pllFwdDivB == 0)
+		pllFwdDivB = 8;
+
+	/*
+	 * Determine FBK_DIV.
+	 */
+	pllFbkDiv = ((cpr_plld & PLLD_FBDV_MASK) >> 24);
+	if (pllFbkDiv == 0)
+		pllFbkDiv = 256;
+
+	/*
+	 * Read CPR_PRIMAD register
+	 */
+	cpr_primad = CPR0_READ(DCRN_CPR0_PRIMAD);
+
+	/*
+	 * Determine PLB_DIV.
+	 */
+	pllPlbDiv = ((cpr_primad & PRIMAD_PLBDV_MASK) >> 16);
+	if (pllPlbDiv == 0)
+		pllPlbDiv = 16;
+
+	/*
+	 * Determine EXTBUS_DIV.
+	 */
+	pllExtBusDiv = (cpr_primad & PRIMAD_EBCDV_MASK);
+	if (pllExtBusDiv == 0)
+		pllExtBusDiv = 16;
+
+	/*
+	 * Determine OPB_DIV.
+	 */
+	pllOpbDiv = ((cpr_primad & PRIMAD_OPBDV_MASK) >> 8);
+	if (pllOpbDiv == 0)
+		pllOpbDiv = 16;
+
+	/* There is a bug in U-Boot that prevents us from using
+	 * bd.bi_opbfreq because U-Boot doesn't populate it for
+	 * 405EZ.  We get to calculate it, yay!
+	 */
+	freqOPB = (sysclk *pllFbkDiv) /pllOpbDiv;
+
+	freqEBC = (sysclk * pllFbkDiv) / pllExtBusDiv;
+
+	plloutb = ((sysclk * ((cpr_pllc & PLLC_SRC_MASK) ?
+					   pllFwdDivB : pllFwdDiv) *
+		    pllFbkDiv) / pllFwdDivB);
+
+	np = find_node_by_alias("serial0");
+	if (getprop(np, "current-speed", &baud, sizeof(baud)) != sizeof(baud))
+		fatal("no current-speed property\n\r");
+
+	udiv = 256;			/* Assume lowest possible serial clk */
+	div = plloutb / (16 * baud); /* total divisor */
+	umin = (plloutb / freqOPB) << 1;	/* 2 x OPB divisor */
+	diff = 256;			/* highest possible */
+
+	/* i is the test udiv value -- start with the largest
+	 * possible (256) to minimize serial clock and constrain
+	 * search to umin.
+	 */
+	for (i = 256; i > umin; i--) {
+		ibdiv = div / i;
+		est = i * ibdiv;
+		idiff = (est > div) ? (est-div) : (div-est);
+		if (idiff == 0) {
+			udiv = i;
+			break;      /* can't do better */
+		} else if (idiff < diff) {
+			udiv = i;       /* best so far */
+			diff = idiff;   /* update lowest diff*/
+		}
+	}
+	freqUART = plloutb / udiv;
+
+	dt_fixup_cpu_clocks(bd.bi_procfreq, bd.bi_intfreq, bd.bi_plb_busfreq);
+	dt_fixup_clock("/plb/ebc", freqEBC);
+	dt_fixup_clock("/plb/opb", freqOPB);
+	dt_fixup_clock("/plb/opb/serial@ef600300", freqUART);
+	dt_fixup_clock("/plb/opb/serial@ef600400", freqUART);
+}
+
+static void acadia_fixups(void)
+{
+	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
+	get_clocks();
+	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
+}
+	
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+		unsigned long r6, unsigned long r7)
+{
+	CUBOOT_INIT();
+	platform_ops.fixups = acadia_fixups;
+	platform_ops.exit = ibm40x_dbcr_reset;
+	fdt_init(_dtb_start);
+	serial_console_init();
+}
-- 
GitLab


From 4cbfc467cc08976e74a6f203c404e728d4dbd902 Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Date: Wed, 3 Sep 2008 21:02:47 -0400
Subject: [PATCH 0854/2224] powerpc/40x: Add PowerPC 405EZ Acadia defconfig

Add simple defconfig for the AMCC PowerPC 405EZ Acadia evaluation board

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/configs/40x/acadia_defconfig | 921 ++++++++++++++++++++++
 1 file changed, 921 insertions(+)
 create mode 100644 arch/powerpc/configs/40x/acadia_defconfig

diff --git a/arch/powerpc/configs/40x/acadia_defconfig b/arch/powerpc/configs/40x/acadia_defconfig
new file mode 100644
index 00000000000..39bd9eb453f
--- /dev/null
+++ b/arch/powerpc/configs/40x/acadia_defconfig
@@ -0,0 +1,921 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.27-rc5
+# Mon Oct 13 13:47:16 2008
+#
+# CONFIG_PPC64 is not set
+
+#
+# Processor support
+#
+# CONFIG_6xx is not set
+# CONFIG_PPC_85xx is not set
+# CONFIG_PPC_8xx is not set
+CONFIG_40x=y
+# CONFIG_44x is not set
+# CONFIG_E200 is not set
+CONFIG_4xx=y
+# CONFIG_PPC_MM_SLICES is not set
+CONFIG_NOT_COHERENT_CACHE=y
+CONFIG_PPC32=y
+CONFIG_WORD_SIZE=32
+CONFIG_PPC_MERGE=y
+CONFIG_MMU=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set
+CONFIG_IRQ_PER_CPU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_ARCH_HAS_ILOG2_U32=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+# CONFIG_ARCH_NO_VIRT_TO_BUS is not set
+CONFIG_PPC=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+CONFIG_OF=y
+CONFIG_PPC_UDBG_16550=y
+# CONFIG_GENERIC_TBSYNC is not set
+CONFIG_AUDIT_ARCH=y
+CONFIG_GENERIC_BUG=y
+# CONFIG_DEFAULT_UIMAGE is not set
+CONFIG_PPC_DCR_NATIVE=y
+# CONFIG_PPC_DCR_MMIO is not set
+CONFIG_PPC_DCR=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+# CONFIG_FAIR_GROUP_SCHED is not set
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_HAVE_CLK is not set
+CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+CONFIG_LBD=y
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_PPC4xx_PCI_EXPRESS is not set
+
+#
+# Platform support
+#
+# CONFIG_PPC_CELL is not set
+# CONFIG_PPC_CELL_NATIVE is not set
+# CONFIG_PQ2ADS is not set
+CONFIG_ACADIA=y
+# CONFIG_EP405 is not set
+# CONFIG_KILAUEA is not set
+# CONFIG_MAKALU is not set
+# CONFIG_WALNUT is not set
+# CONFIG_XILINX_VIRTEX_GENERIC_BOARD is not set
+CONFIG_PPC40x_SIMPLE=y
+CONFIG_405EZ=y
+# CONFIG_IPIC is not set
+# CONFIG_MPIC is not set
+# CONFIG_MPIC_WEIRD is not set
+# CONFIG_PPC_I8259 is not set
+# CONFIG_PPC_RTAS is not set
+# CONFIG_MMIO_NVRAM is not set
+# CONFIG_PPC_MPC106 is not set
+# CONFIG_PPC_970_NAP is not set
+# CONFIG_PPC_INDIRECT_IO is not set
+# CONFIG_GENERIC_IOMAP is not set
+# CONFIG_CPU_FREQ is not set
+# CONFIG_FSL_ULI1575 is not set
+
+#
+# Kernel options
+#
+# CONFIG_HIGHMEM is not set
+# CONFIG_TICK_ONESHOT is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+# CONFIG_MATH_EMULATION is not set
+# CONFIG_IOMMU_HELPER is not set
+CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_HAS_WALK_MEMORY=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
+# CONFIG_RESOURCES_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_PROC_DEVICETREE=y
+# CONFIG_CMDLINE_BOOL is not set
+CONFIG_EXTRA_TARGETS=""
+# CONFIG_PM is not set
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
+
+#
+# Bus options
+#
+CONFIG_ZONE_DMA=y
+CONFIG_PPC_INDIRECT_PCI=y
+CONFIG_4xx_SOC=y
+CONFIG_PPC_PCI_CHOICE=y
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PCI_SYSCALL=y
+# CONFIG_PCIEPORTBUS is not set
+CONFIG_ARCH_SUPPORTS_MSI=y
+# CONFIG_PCI_MSI is not set
+CONFIG_PCI_LEGACY=y
+# CONFIG_PCI_DEBUG is not set
+# CONFIG_PCCARD is not set
+# CONFIG_HOTPLUG_PCI is not set
+# CONFIG_HAS_RAPIDIO is not set
+
+#
+# Advanced setup
+#
+# CONFIG_ADVANCED_OPTIONS is not set
+
+#
+# Default settings for advanced configuration options are used
+#
+CONFIG_LOWMEM_SIZE=0x30000000
+CONFIG_PAGE_OFFSET=0xc0000000
+CONFIG_KERNEL_START=0xc0000000
+CONFIG_PHYSICAL_START=0x00000000
+CONFIG_TASK_SIZE=0xc0000000
+CONFIG_CONSISTENT_START=0xff100000
+CONFIG_CONSISTENT_SIZE=0x00200000
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_OF_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=m
+CONFIG_MTD_BLOCK=m
+# CONFIG_MTD_BLOCK_RO is not set
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PHYSMAP_OF=y
+# CONFIG_MTD_INTEL_VR_NOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+CONFIG_OF_DEVICE=y
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_FD is not set
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=35000
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_XILINX_SYSACE is not set
+# CONFIG_BLK_DEV_HD is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+
+#
+# Enable only one of the two stacks, unless you know what you are doing
+#
+# CONFIG_FIREWIRE is not set
+# CONFIG_IEEE1394 is not set
+# CONFIG_I2O is not set
+# CONFIG_MACINTOSH_DRIVERS is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_ARCNET is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+CONFIG_IBM_NEW_EMAC=y
+CONFIG_IBM_NEW_EMAC_RXB=256
+CONFIG_IBM_NEW_EMAC_TXB=256
+CONFIG_IBM_NEW_EMAC_POLL_WEIGHT=32
+CONFIG_IBM_NEW_EMAC_RX_COPY_THRESHOLD=256
+CONFIG_IBM_NEW_EMAC_RX_SKB_HEADROOM=0
+CONFIG_IBM_NEW_EMAC_DEBUG=y
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL=y
+CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT=y
+CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR=y
+# CONFIG_NET_PCI is not set
+# CONFIG_B44 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_TR is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_EXTENDED=y
+# CONFIG_SERIAL_8250_MANY_PORTS is not set
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_SERIAL_8250_DETECT_IRQ is not set
+# CONFIG_SERIAL_8250_RSA is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_UARTLITE is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_DEVPORT=y
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_AGP is not set
+# CONFIG_DRM is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_SOUND is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_INFINIBAND is not set
+# CONFIG_EDAC is not set
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_DEBUG_STACKOVERFLOW is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_CODE_PATCHING_SELFTEST is not set
+# CONFIG_FTR_FIXUP_SELFTEST is not set
+# CONFIG_MSI_BITMAP_SELFTEST is not set
+# CONFIG_XMON is not set
+# CONFIG_IRQSTACKS is not set
+# CONFIG_VIRQ_DEBUG is not set
+# CONFIG_BDI_SWITCH is not set
+# CONFIG_PPC_EARLY_DEBUG is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=y
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
+# CONFIG_PPC_CLOCK is not set
+# CONFIG_VIRTUALIZATION is not set
-- 
GitLab


From dd1db2dedc4f6ad736fbba5aa6ecfe6e7c8ee0f4 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 16 Oct 2008 19:27:12 -0400
Subject: [PATCH 0855/2224] cifs: don't use CREATE_DELETE_ON_CLOSE in
 cifs_rename_pending_delete

cifs: don't use CREATE_DELETE_ON_CLOSE in cifs_rename_pending_delete

CREATE_DELETE_ON_CLOSE apparently has different semantics than when you
set the DELETE_ON_CLOSE bit after opening the file. Setting it in the
open says "delete this file as soon as this filehandle is closed". That's
not what we want for cifs_rename_pending_delete.

Don't set this bit in the CreateFlags. Experimentation shows that
setting this flag in the SET_FILE_INFO call has no effect.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/inode.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index a8c833345fc..fe4f2ee97b6 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -784,8 +784,7 @@ cifs_rename_pending_delete(char *full_path, struct inode *inode, int xid)
 	FILE_BASIC_INFO *info_buf;
 
 	rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
-			 DELETE|FILE_WRITE_ATTRIBUTES,
-			 CREATE_NOT_DIR|CREATE_DELETE_ON_CLOSE,
+			 DELETE|FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR,
 			 &netfid, &oplock, NULL, cifs_sb->local_nls,
 			 cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	if (rc != 0)
@@ -810,17 +809,23 @@ cifs_rename_pending_delete(char *full_path, struct inode *inode, int xid)
 		goto out_close;
 	cifsInode->cifsAttrs = dosattr;
 
-	/* silly-rename the file */
-	CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls,
+	/* rename the file */
+	rc = CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls,
 				   cifs_sb->mnt_cifs_flags &
 					    CIFS_MOUNT_MAP_SPECIAL_CHR);
+	if (rc != 0)
+		goto out;
 
 	/* set DELETE_ON_CLOSE */
 	rc = CIFSSMBSetFileDisposition(xid, tcon, true, netfid, current->tgid);
 
 	/*
 	 * some samba versions return -ENOENT when we try to set the file
-	 * disposition here. Likely a samba bug, but work around it for now
+	 * disposition here. Likely a samba bug, but work around it for now.
+	 * This means that some cifsXXX files may hang around after they
+	 * shouldn't.
+	 *
+	 * BB: remove this once fixed samba servers are in the field
 	 */
 	if (rc == -ENOENT)
 		rc = 0;
-- 
GitLab


From faa5c2a15e14b6a4e59fcae65dec5258e723ea9f Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Fri, 17 Oct 2008 16:19:45 +0200
Subject: [PATCH 0856/2224] [JFFS2] Correct parameter names of jffs2_compress()
 in comments

Make the parameter names of jffs2_compress() in its comments match with the
actual implementation

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/compr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/jffs2/compr.c b/fs/jffs2/compr.c
index 86739ee53b3..f25e70c1b51 100644
--- a/fs/jffs2/compr.c
+++ b/fs/jffs2/compr.c
@@ -53,8 +53,8 @@ static int jffs2_is_best_compression(struct jffs2_compressor *this,
 }
 
 /* jffs2_compress:
- * @data: Pointer to uncompressed data
- * @cdata: Pointer to returned pointer to buffer for compressed data
+ * @data_in: Pointer to uncompressed data
+ * @cpage_out: Pointer to returned pointer to buffer for compressed data
  * @datalen: On entry, holds the amount of data available for compression.
  *	On exit, expected to hold the amount of data actually compressed.
  * @cdatalen: On entry, holds the amount of space available for compressed
-- 
GitLab


From 7c2dfee84863628f9af109131edd4344ce567d16 Mon Sep 17 00:00:00 2001
From: Zhaolei <zhaolei@cn.fujitsu.com>
Date: Fri, 17 Oct 2008 21:04:55 +0800
Subject: [PATCH 0857/2224] ALSA: Fix debugfs_create_dir's error checking
 method for sound/soc/

debugfs_create_dir() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/soc/soc-dapm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index efbd0b37810..7351db9606e 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -831,7 +831,7 @@ int snd_soc_dapm_sys_add(struct device *dev)
 		return ret;
 
 	asoc_debugfs = debugfs_create_dir("asoc", NULL);
-	if (!IS_ERR(asoc_debugfs))
+	if (!IS_ERR(asoc_debugfs) && asoc_debugfs)
 		debugfs_create_u32("dapm_pop_time", 0744, asoc_debugfs,
 				   &pop_time);
 	else
-- 
GitLab


From 6388a388ffb720f40fc8046c261252ea2be9c12f Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:09 +0200
Subject: [PATCH 0858/2224] hwmon: (lm90) Move 16-bit value read to a separate
 function

Move the code which aggregates two 8-bit register values into a 16-bit
value to a separate function. We'll need to do it a second time soon and
I don't want to duplicate the code.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 drivers/hwmon/lm90.c | 72 ++++++++++++++++++++++++++------------------
 1 file changed, 43 insertions(+), 29 deletions(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index c24fe36ac78..73a1c622fb7 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1,7 +1,7 @@
 /*
  * lm90.c - Part of lm_sensors, Linux kernel modules for hardware
  *          monitoring
- * Copyright (C) 2003-2006  Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2003-2008  Jean Delvare <khali@linux-fr.org>
  *
  * Based on the lm83 driver. The LM90 is a sensor chip made by National
  * Semiconductor. It reports up to two temperatures (its own plus up to
@@ -736,6 +736,38 @@ static int lm90_remove(struct i2c_client *client)
 	return 0;
 }
 
+static int lm90_read16(struct i2c_client *client, u8 regh, u8 regl, u16 *value)
+{
+	int err;
+	u8 oldh, newh, l;
+
+	/*
+	 * There is a trick here. We have to read two registers to have the
+	 * sensor temperature, but we have to beware a conversion could occur
+	 * inbetween the readings. The datasheet says we should either use
+	 * the one-shot conversion register, which we don't want to do
+	 * (disables hardware monitoring) or monitor the busy bit, which is
+	 * impossible (we can't read the values and monitor that bit at the
+	 * exact same time). So the solution used here is to read the high
+	 * byte once, then the low byte, then the high byte again. If the new
+	 * high byte matches the old one, then we have a valid reading. Else
+	 * we have to read the low byte again, and now we believe we have a
+	 * correct reading.
+	 */
+	if ((err = lm90_read_reg(client, regh, &oldh))
+	 || (err = lm90_read_reg(client, regl, &l))
+	 || (err = lm90_read_reg(client, regh, &newh)))
+		return err;
+	if (oldh != newh) {
+		err = lm90_read_reg(client, regl, &l);
+		if (err)
+			return err;
+	}
+	*value = (newh << 8) | l;
+
+	return 0;
+}
+
 static struct lm90_data *lm90_update_device(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -744,7 +776,7 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 	mutex_lock(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
-		u8 oldh, newh, l;
+		u8 h, l;
 
 		dev_dbg(&client->dev, "Updating lm90 data.\n");
 		lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &data->temp8[0]);
@@ -754,39 +786,21 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[4]);
 		lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst);
 
-		/*
-		 * There is a trick here. We have to read two registers to
-		 * have the remote sensor temperature, but we have to beware
-		 * a conversion could occur inbetween the readings. The
-		 * datasheet says we should either use the one-shot
-		 * conversion register, which we don't want to do (disables
-		 * hardware monitoring) or monitor the busy bit, which is
-		 * impossible (we can't read the values and monitor that bit
-		 * at the exact same time). So the solution used here is to
-		 * read the high byte once, then the low byte, then the high
-		 * byte again. If the new high byte matches the old one,
-		 * then we have a valid reading. Else we have to read the low
-		 * byte again, and now we believe we have a correct reading.
-		 */
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &oldh) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &newh) == 0
-		 && (newh == oldh
-		  || lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0))
-			data->temp11[0] = (newh << 8) | l;
-
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &newh) == 0
+		lm90_read16(client, LM90_REG_R_REMOTE_TEMPH,
+			    LM90_REG_R_REMOTE_TEMPL, &data->temp11[0]);
+
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h) == 0
 		 && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0)
-			data->temp11[1] = (newh << 8) | l;
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &newh) == 0
+			data->temp11[1] = (h << 8) | l;
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h) == 0
 		 && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0)
-			data->temp11[2] = (newh << 8) | l;
+			data->temp11[2] = (h << 8) | l;
 		if (data->kind != max6657) {
 			if (lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSH,
-					  &newh) == 0
+					  &h) == 0
 			 && lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSL,
 					  &l) == 0)
-				data->temp11[3] = (newh << 8) | l;
+				data->temp11[3] = (h << 8) | l;
 		}
 		lm90_read_reg(client, LM90_REG_R_STATUS, &data->alarms);
 
-- 
GitLab


From f65e17086fc141bee1592bbf6e709e9c7a43541b Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:09 +0200
Subject: [PATCH 0859/2224] hwmon: (lm90) Support the extra resolution bits of
 MAX6657

The Maxim MAX6657, MAX6658 and MAX6659 have extra resolution bits for
the local temperature measurement. Let the lm90 driver read them and
export them to user-space.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 Documentation/hwmon/lm90 | 10 +++++---
 drivers/hwmon/lm90.c     | 54 ++++++++++++++++++++++++----------------
 2 files changed, 39 insertions(+), 25 deletions(-)

diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index aa4a0ec2008..0b3e8bb7c1f 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -86,9 +86,8 @@ family is that it features critical limits with hysteresis, and an
 increased resolution of the remote temperature measurement.
 
 The different chipsets of the family are not strictly identical, although
-very similar. This driver doesn't handle any specific feature for now,
-with the exception of SMBus PEC. For reference, here comes a non-exhaustive
-list of specific features:
+very similar. For reference, here comes a non-exhaustive list of specific
+features:
 
 LM90:
   * Filter and alert configuration register at 0xBF.
@@ -114,9 +113,11 @@ ADT7461:
   * Lower resolution for remote temperature
 
 MAX6657 and MAX6658:
+  * Better local resolution
   * Remote sensor type selection
 
 MAX6659:
+  * Better local resolution
   * Selectable address
   * Second critical temperature limit
   * Remote sensor type selection
@@ -127,7 +128,8 @@ MAX6680 and MAX6681:
 
 All temperature values are given in degrees Celsius. Resolution
 is 1.0 degree for the local temperature, 0.125 degree for the remote
-temperature.
+temperature, except for the MAX6657, MAX6658 and MAX6659 which have a
+resolution of 0.125 degree for both temperatures.
 
 Each sensor has its own high and low limits, plus a critical limit.
 Additionally, there is a relative hysteresis value common to both critical
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 73a1c622fb7..16b99e0bdff 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -149,6 +149,10 @@ I2C_CLIENT_INSMOD_7(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680);
 #define LM90_REG_R_TCRIT_HYST		0x21
 #define LM90_REG_W_TCRIT_HYST		0x21
 
+/* MAX6657-specific registers */
+
+#define MAX6657_REG_R_LOCAL_TEMPL	0x11
+
 /*
  * Conversions and various macros
  * For local temperatures and limits, critical limits and the hysteresis
@@ -239,15 +243,15 @@ struct lm90_data {
 	int kind;
 
 	/* registers values */
-	s8 temp8[5];	/* 0: local input
-			   1: local low limit
-			   2: local high limit
-			   3: local critical limit
-			   4: remote critical limit */
-	s16 temp11[4];	/* 0: remote input
+	s8 temp8[4];	/* 0: local low limit
+			   1: local high limit
+			   2: local critical limit
+			   3: remote critical limit */
+	s16 temp11[5];	/* 0: remote input
 			   1: remote low limit
 			   2: remote high limit
-			   3: remote offset (except max6657) */
+			   3: remote offset (except max6657)
+			   4: local input */
 	u8 temp_hyst;
 	u8 alarms; /* bitvector */
 };
@@ -285,7 +289,7 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
 		data->temp8[nr] = TEMP1_TO_REG_ADT7461(val);
 	else
 		data->temp8[nr] = TEMP1_TO_REG(val);
-	i2c_smbus_write_byte_data(client, reg[nr - 1], data->temp8[nr]);
+	i2c_smbus_write_byte_data(client, reg[nr], data->temp8[nr]);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -347,7 +351,7 @@ static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
 	long hyst;
 
 	mutex_lock(&data->update_lock);
-	hyst = TEMP1_FROM_REG(data->temp8[3]) - val;
+	hyst = TEMP1_FROM_REG(data->temp8[2]) - val;
 	i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST,
 				  HYST_TO_REG(hyst));
 	mutex_unlock(&data->update_lock);
@@ -371,23 +375,23 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute
 	return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1);
 }
 
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp8, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp11, NULL, 4);
 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 0);
 static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 1);
+	set_temp8, 0);
 static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 1);
 static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 2);
+	set_temp8, 1);
 static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 2);
 static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 3);
+	set_temp8, 2);
 static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp8,
-	set_temp8, 4);
+	set_temp8, 3);
 static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst,
-	set_temphyst, 3);
-static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 4);
+	set_temphyst, 2);
+static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 3);
 static SENSOR_DEVICE_ATTR(temp2_offset, S_IWUSR | S_IRUGO, show_temp11,
 	set_temp11, 3);
 
@@ -779,13 +783,21 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		u8 h, l;
 
 		dev_dbg(&client->dev, "Updating lm90 data.\n");
-		lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &data->temp8[0]);
-		lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[1]);
-		lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[2]);
-		lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[3]);
-		lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[4]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[0]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[1]);
+		lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[2]);
+		lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[3]);
 		lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst);
 
+		if (data->kind == max6657) {
+			lm90_read16(client, LM90_REG_R_LOCAL_TEMP,
+				    MAX6657_REG_R_LOCAL_TEMPL,
+				    &data->temp11[4]);
+		} else {
+			if (lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP,
+					  &h) == 0)
+				data->temp11[4] = h << 8;
+		}
 		lm90_read16(client, LM90_REG_R_REMOTE_TEMPH,
 			    LM90_REG_R_REMOTE_TEMPL, &data->temp11[0]);
 
-- 
GitLab


From 5f502a834a6471dc3cc456ccef66292e9e3a152e Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:09 +0200
Subject: [PATCH 0860/2224] hwmon: (lm90) Don't access nonexistent registers on
 Maxim chips

The Maxim chips supported by the lm90 driver have 8-bit high and low
remote limit values, not 11-bit as the other chips have. So stop reading
from and writing to registers that do not exist on these chips. Also
round the limit values set by the user properly.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 drivers/hwmon/lm90.c | 29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 16b99e0bdff..90489b8f5c8 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -323,12 +323,16 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
 		data->temp11[nr] = TEMP2_TO_REG_ADT7461(val);
+	else if (data->kind == max6657 || data->kind == max6680)
+		data->temp11[nr] = TEMP1_TO_REG(val) << 8;
 	else
 		data->temp11[nr] = TEMP2_TO_REG(val);
+
 	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
 				  data->temp11[nr] >> 8);
-	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
-				  data->temp11[nr] & 0xff);
+	if (data->kind != max6657 && data->kind != max6680)
+		i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
+					  data->temp11[nr] & 0xff);
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -801,12 +805,21 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		lm90_read16(client, LM90_REG_R_REMOTE_TEMPH,
 			    LM90_REG_R_REMOTE_TEMPL, &data->temp11[0]);
 
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0)
-			data->temp11[1] = (h << 8) | l;
-		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h) == 0
-		 && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0)
-			data->temp11[2] = (h << 8) | l;
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h) == 0) {
+			data->temp11[1] = h << 8;
+			if (data->kind != max6657 && data->kind != max6680
+			 && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL,
+					  &l) == 0)
+				data->temp11[1] |= l;
+		}
+		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h) == 0) {
+			data->temp11[2] = h << 8;
+			if (data->kind != max6657 && data->kind != max6680
+			 && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL,
+					  &l) == 0)
+				data->temp11[2] |= l;
+		}
+
 		if (data->kind != max6657) {
 			if (lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSH,
 					  &h) == 0
-- 
GitLab


From a874a10cf0b7105ae5eeb98b4860eae0fc78fcdd Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:10 +0200
Subject: [PATCH 0861/2224] hwmon: (lm90) Update datasheet links

Update the links to the datasheet of some of the devices supported by
the lm90 driver. Also remove the links from the driver itself, so that
we don't have to update them twice each time they change.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 Documentation/hwmon/lm90 | 12 ++++++------
 drivers/hwmon/lm90.c     | 30 +++++++-----------------------
 2 files changed, 13 insertions(+), 29 deletions(-)

diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index 0b3e8bb7c1f..0c08c5c5637 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -11,7 +11,7 @@ Supported chips:
     Prefix: 'lm99'
     Addresses scanned: I2C 0x4c and 0x4d
     Datasheet: Publicly available at the National Semiconductor website
-               http://www.national.com/pf/LM/LM89.html
+               http://www.national.com/mpf/LM/LM89.html
   * National Semiconductor LM99
     Prefix: 'lm99'
     Addresses scanned: I2C 0x4c and 0x4d
@@ -21,17 +21,17 @@ Supported chips:
     Prefix: 'lm86'
     Addresses scanned: I2C 0x4c
     Datasheet: Publicly available at the National Semiconductor website
-               http://www.national.com/pf/LM/LM86.html
+               http://www.national.com/mpf/LM/LM86.html
   * Analog Devices ADM1032
     Prefix: 'adm1032'
     Addresses scanned: I2C 0x4c and 0x4d
-    Datasheet: Publicly available at the Analog Devices website
-               http://www.analog.com/en/prod/0,2877,ADM1032,00.html
+    Datasheet: Publicly available at the ON Semiconductor website
+               http://www.onsemi.com/PowerSolutions/product.do?id=ADM1032
   * Analog Devices ADT7461
     Prefix: 'adt7461'
     Addresses scanned: I2C 0x4c and 0x4d
-    Datasheet: Publicly available at the Analog Devices website
-               http://www.analog.com/en/prod/0,2877,ADT7461,00.html
+    Datasheet: Publicly available at the ON Semiconductor website
+               http://www.onsemi.com/PowerSolutions/product.do?id=ADT7461
     Note: Only if in ADM1032 compatibility mode
   * Maxim MAX6657
     Prefix: 'max6657'
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 90489b8f5c8..d96e403d59e 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -6,9 +6,7 @@
  * Based on the lm83 driver. The LM90 is a sensor chip made by National
  * Semiconductor. It reports up to two temperatures (its own plus up to
  * one external one) with a 0.125 deg resolution (1 deg for local
- * temperature) and a 3-4 deg accuracy. Complete datasheet can be
- * obtained from National's website at:
- *   http://www.national.com/pf/LM/LM90.html
+ * temperature) and a 3-4 deg accuracy.
  *
  * This driver also supports the LM89 and LM99, two other sensor chips
  * made by National Semiconductor. Both have an increased remote
@@ -16,29 +14,19 @@
  * additionally shifts remote temperatures (measured and limits) by 16
  * degrees, which allows for higher temperatures measurement. The
  * driver doesn't handle it since it can be done easily in user-space.
- * Complete datasheets can be obtained from National's website at:
- *   http://www.national.com/pf/LM/LM89.html
- *   http://www.national.com/pf/LM/LM99.html
  * Note that there is no way to differentiate between both chips.
  *
  * This driver also supports the LM86, another sensor chip made by
  * National Semiconductor. It is exactly similar to the LM90 except it
  * has a higher accuracy.
- * Complete datasheet can be obtained from National's website at:
- *   http://www.national.com/pf/LM/LM86.html
  *
  * This driver also supports the ADM1032, a sensor chip made by Analog
  * Devices. That chip is similar to the LM90, with a few differences
- * that are not handled by this driver. Complete datasheet can be
- * obtained from Analog's website at:
- *   http://www.analog.com/en/prod/0,2877,ADM1032,00.html
- * Among others, it has a higher accuracy than the LM90, much like the
- * LM86 does.
+ * that are not handled by this driver. Among others, it has a higher
+ * accuracy than the LM90, much like the LM86 does.
  *
  * This driver also supports the MAX6657, MAX6658 and MAX6659 sensor
- * chips made by Maxim. These chips are similar to the LM86. Complete
- * datasheet can be obtained at Maxim's website at:
- *   http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2578
+ * chips made by Maxim. These chips are similar to the LM86.
  * Note that there is no easy way to differentiate between the three
  * variants. The extra address and features of the MAX6659 are not
  * supported by this driver. These chips lack the remote temperature
@@ -46,18 +34,14 @@
  *
  * This driver also supports the MAX6680 and MAX6681, two other sensor
  * chips made by Maxim. These are quite similar to the other Maxim
- * chips. Complete datasheet can be obtained at:
- *   http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3370
- * The MAX6680 and MAX6681 only differ in the pinout so they can be
- * treated identically.
+ * chips. The MAX6680 and MAX6681 only differ in the pinout so they can
+ * be treated identically.
  *
  * This driver also supports the ADT7461 chip from Analog Devices but
  * only in its "compatability mode". If an ADT7461 chip is found but
  * is configured in non-compatible mode (where its temperature
  * register values are decoded differently) it is ignored by this
- * driver. Complete datasheet can be obtained from Analog's website
- * at:
- *   http://www.analog.com/en/prod/0,2877,ADT7461,00.html
+ * driver.
  *
  * Since the LM90 was the first chipset supported by this driver, most
  * comments will refer to this chipset, but are actually general and
-- 
GitLab


From cea50fe2fdea36174aa24b58c69c4eb9770e7c49 Mon Sep 17 00:00:00 2001
From: Nate Case <ncase@xes-inc.com>
Date: Fri, 17 Oct 2008 17:51:10 +0200
Subject: [PATCH 0862/2224] hwmon: (lm90) Convert some macros to static
 functions

Use static functions instead of the TEMPx_FROM_REG* and TEMPx_TO_REG*
macros.  This will ensure type safety and eliminate any side effects
from arguments passed in since the macros referenced 'val' multiple
times.  This change should not affect functionality.

Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 drivers/hwmon/lm90.c | 128 ++++++++++++++++++++++++++++---------------
 1 file changed, 83 insertions(+), 45 deletions(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index d96e403d59e..b2d9b3f0946 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -137,40 +137,6 @@ I2C_CLIENT_INSMOD_7(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680);
 
 #define MAX6657_REG_R_LOCAL_TEMPL	0x11
 
-/*
- * Conversions and various macros
- * For local temperatures and limits, critical limits and the hysteresis
- * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celsius.
- * For remote temperatures and limits, it uses signed 11-bit values with
- * LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
- */
-
-#define TEMP1_FROM_REG(val)	((val) * 1000)
-#define TEMP1_TO_REG(val)	((val) <= -128000 ? -128 : \
-				 (val) >= 127000 ? 127 : \
-				 (val) < 0 ? ((val) - 500) / 1000 : \
-				 ((val) + 500) / 1000)
-#define TEMP2_FROM_REG(val)	((val) / 32 * 125)
-#define TEMP2_TO_REG(val)	((val) <= -128000 ? 0x8000 : \
-				 (val) >= 127875 ? 0x7FE0 : \
-				 (val) < 0 ? ((val) - 62) / 125 * 32 : \
-				 ((val) + 62) / 125 * 32)
-#define HYST_TO_REG(val)	((val) <= 0 ? 0 : (val) >= 30500 ? 31 : \
-				 ((val) + 500) / 1000)
-
-/* 
- * ADT7461 is almost identical to LM90 except that attempts to write
- * values that are outside the range 0 < temp < 127 are treated as
- * the boundary value. 
- */
-
-#define TEMP1_TO_REG_ADT7461(val) ((val) <= 0 ? 0 : \
-				 (val) >= 127000 ? 127 : \
-				 ((val) + 500) / 1000)
-#define TEMP2_TO_REG_ADT7461(val) ((val) <= 0 ? 0 : \
-				 (val) >= 127750 ? 0x7FC0 : \
-				 ((val) + 125) / 250 * 64)
-
 /*
  * Functions declaration
  */
@@ -240,6 +206,78 @@ struct lm90_data {
 	u8 alarms; /* bitvector */
 };
 
+/*
+ * Conversions
+ * For local temperatures and limits, critical limits and the hysteresis
+ * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celsius.
+ * For remote temperatures and limits, it uses signed 11-bit values with
+ * LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
+ */
+
+static inline int temp1_from_reg(s8 val)
+{
+	return val * 1000;
+}
+
+static inline int temp2_from_reg(s16 val)
+{
+	return val / 32 * 125;
+}
+
+static s8 temp1_to_reg(long val)
+{
+	if (val <= -128000)
+		return -128;
+	if (val >= 127000)
+		return 127;
+	if (val < 0)
+		return (val - 500) / 1000;
+	return (val + 500) / 1000;
+}
+
+static s16 temp2_to_reg(long val)
+{
+	if (val <= -128000)
+		return 0x8000;
+	if (val >= 127875)
+		return 0x7FE0;
+	if (val < 0)
+		return (val - 62) / 125 * 32;
+	return (val + 62) / 125 * 32;
+}
+
+static u8 hyst_to_reg(long val)
+{
+	if (val <= 0)
+		return 0;
+	if (val >= 30500)
+		return 31;
+	return (val + 500) / 1000;
+}
+
+/*
+ * ADT7461 is almost identical to LM90 except that attempts to write
+ * values that are outside the range 0 < temp < 127 are treated as
+ * the boundary value.
+ */
+static u8 temp1_to_reg_adt7461(long val)
+{
+	if (val <= 0)
+		return 0;
+	if (val >= 127000)
+		return 127;
+	return (val + 500) / 1000;
+}
+
+static u16 temp2_to_reg_adt7461(long val)
+{
+	if (val <= 0)
+		return 0;
+	if (val >= 127750)
+		return 0x7FC0;
+	return (val + 125) / 250 * 64;
+}
+
 /*
  * Sysfs stuff
  */
@@ -249,7 +287,7 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp8[attr->index]));
+	return sprintf(buf, "%d\n", temp1_from_reg(data->temp8[attr->index]));
 }
 
 static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
@@ -270,9 +308,9 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp8[nr] = TEMP1_TO_REG_ADT7461(val);
+		data->temp8[nr] = temp1_to_reg_adt7461(val);
 	else
-		data->temp8[nr] = TEMP1_TO_REG(val);
+		data->temp8[nr] = temp1_to_reg(val);
 	i2c_smbus_write_byte_data(client, reg[nr], data->temp8[nr]);
 	mutex_unlock(&data->update_lock);
 	return count;
@@ -283,7 +321,7 @@ static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP2_FROM_REG(data->temp11[attr->index]));
+	return sprintf(buf, "%d\n", temp2_from_reg(data->temp11[attr->index]));
 }
 
 static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
@@ -306,11 +344,11 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp11[nr] = TEMP2_TO_REG_ADT7461(val);
+		data->temp11[nr] = temp2_to_reg_adt7461(val);
 	else if (data->kind == max6657 || data->kind == max6680)
-		data->temp11[nr] = TEMP1_TO_REG(val) << 8;
+		data->temp11[nr] = temp1_to_reg(val) << 8;
 	else
-		data->temp11[nr] = TEMP2_TO_REG(val);
+		data->temp11[nr] = temp2_to_reg(val);
 
 	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
 				  data->temp11[nr] >> 8);
@@ -326,8 +364,8 @@ static ssize_t show_temphyst(struct device *dev, struct device_attribute *devatt
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp8[attr->index])
-		       - TEMP1_FROM_REG(data->temp_hyst));
+	return sprintf(buf, "%d\n", temp1_from_reg(data->temp8[attr->index])
+		       - temp1_from_reg(data->temp_hyst));
 }
 
 static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
@@ -339,9 +377,9 @@ static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
 	long hyst;
 
 	mutex_lock(&data->update_lock);
-	hyst = TEMP1_FROM_REG(data->temp8[2]) - val;
+	hyst = temp1_from_reg(data->temp8[2]) - val;
 	i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST,
-				  HYST_TO_REG(hyst));
+				  hyst_to_reg(hyst));
 	mutex_unlock(&data->update_lock);
 	return count;
 }
-- 
GitLab


From 23b2d4778ad33ee6bfe60439fb73c16580f204f2 Mon Sep 17 00:00:00 2001
From: Nate Case <ncase@xes-inc.com>
Date: Fri, 17 Oct 2008 17:51:10 +0200
Subject: [PATCH 0863/2224] hwmon: (lm90) Support ADT7461 in extended mode

Support ADT7461 in extended temperature range mode, which will change
the range of readings from 0..127 to -64..191 degC.  Adjust the
register conversion functions accordingly.

Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 Documentation/hwmon/lm90 |   8 +--
 drivers/hwmon/Kconfig    |   7 +--
 drivers/hwmon/lm90.c     | 120 ++++++++++++++++++++++++++++++---------
 3 files changed, 97 insertions(+), 38 deletions(-)

diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index 0c08c5c5637..53cd829f3f4 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -32,7 +32,6 @@ Supported chips:
     Addresses scanned: I2C 0x4c and 0x4d
     Datasheet: Publicly available at the ON Semiconductor website
                http://www.onsemi.com/PowerSolutions/product.do?id=ADT7461
-    Note: Only if in ADM1032 compatibility mode
   * Maxim MAX6657
     Prefix: 'max6657'
     Addresses scanned: I2C 0x4c
@@ -70,16 +69,13 @@ Description
 
 The LM90 is a digital temperature sensor. It senses its own temperature as
 well as the temperature of up to one external diode. It is compatible
-with many other devices such as the LM86, the LM89, the LM99, the ADM1032,
-the MAX6657, MAX6658, MAX6659, MAX6680 and the MAX6681 all of which are
-supported by this driver.
+with many other devices, many of which are supported by this driver.
 
 Note that there is no easy way to differentiate between the MAX6657,
 MAX6658 and MAX6659 variants. The extra address and features of the
 MAX6659 are not supported by this driver. The MAX6680 and MAX6681 only
 differ in their pinout, therefore they obviously can't (and don't need to)
-be distinguished. Additionally, the ADT7461 is supported if found in
-ADM1032 compatibility mode.
+be distinguished.
 
 The specificity of this family of chipsets over the ADM1021/LM84
 family is that it features critical limits with hysteresis, and an
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index ebacc0af40f..96701e099e8 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -510,11 +510,8 @@ config SENSORS_LM90
 	depends on I2C
 	help
 	  If you say yes here you get support for National Semiconductor LM90,
-	  LM86, LM89 and LM99, Analog Devices ADM1032 and Maxim MAX6657,
-	  MAX6658, MAX6659, MAX6680 and MAX6681 sensor chips.
-
-	  The Analog Devices ADT7461 sensor chip is also supported, but only
-	  if found in ADM1032 compatibility mode.
+	  LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, and Maxim
+	  MAX6657, MAX6658, MAX6659, MAX6680 and MAX6681 sensor chips.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm90.
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index b2d9b3f0946..fe5d860fc83 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -37,11 +37,10 @@
  * chips. The MAX6680 and MAX6681 only differ in the pinout so they can
  * be treated identically.
  *
- * This driver also supports the ADT7461 chip from Analog Devices but
- * only in its "compatability mode". If an ADT7461 chip is found but
- * is configured in non-compatible mode (where its temperature
- * register values are decoded differently) it is ignored by this
- * driver.
+ * This driver also supports the ADT7461 chip from Analog Devices.
+ * It's supported in both compatibility and extended mode. It is mostly
+ * compatible with LM90 except for a data format difference for the
+ * temperature value registers.
  *
  * Since the LM90 was the first chipset supported by this driver, most
  * comments will refer to this chipset, but are actually general and
@@ -137,6 +136,11 @@ I2C_CLIENT_INSMOD_7(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680);
 
 #define MAX6657_REG_R_LOCAL_TEMPL	0x11
 
+/*
+ * Device flags
+ */
+#define LM90_FLAG_ADT7461_EXT		0x01	/* ADT7461 extended mode */
+
 /*
  * Functions declaration
  */
@@ -191,6 +195,7 @@ struct lm90_data {
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
 	int kind;
+	int flags;
 
 	/* registers values */
 	s8 temp8[4];	/* 0: local low limit
@@ -256,26 +261,61 @@ static u8 hyst_to_reg(long val)
 }
 
 /*
- * ADT7461 is almost identical to LM90 except that attempts to write
- * values that are outside the range 0 < temp < 127 are treated as
- * the boundary value.
+ * ADT7461 in compatibility mode is almost identical to LM90 except that
+ * attempts to write values that are outside the range 0 < temp < 127 are
+ * treated as the boundary value.
+ *
+ * ADT7461 in "extended mode" operation uses unsigned integers offset by
+ * 64 (e.g., 0 -> -64 degC).  The range is restricted to -64..191 degC.
  */
-static u8 temp1_to_reg_adt7461(long val)
+static inline int temp1_from_reg_adt7461(struct lm90_data *data, u8 val)
 {
-	if (val <= 0)
-		return 0;
-	if (val >= 127000)
-		return 127;
-	return (val + 500) / 1000;
+	if (data->flags & LM90_FLAG_ADT7461_EXT)
+		return (val - 64) * 1000;
+	else
+		return temp1_from_reg(val);
 }
 
-static u16 temp2_to_reg_adt7461(long val)
+static inline int temp2_from_reg_adt7461(struct lm90_data *data, u16 val)
 {
-	if (val <= 0)
-		return 0;
-	if (val >= 127750)
-		return 0x7FC0;
-	return (val + 125) / 250 * 64;
+	if (data->flags & LM90_FLAG_ADT7461_EXT)
+		return (val - 0x4000) / 64 * 250;
+	else
+		return temp2_from_reg(val);
+}
+
+static u8 temp1_to_reg_adt7461(struct lm90_data *data, long val)
+{
+	if (data->flags & LM90_FLAG_ADT7461_EXT) {
+		if (val <= -64000)
+			return 0;
+		if (val >= 191000)
+			return 0xFF;
+		return (val + 500 + 64000) / 1000;
+	} else {
+		if (val <= 0)
+			return 0;
+		if (val >= 127000)
+			return 127;
+		return (val + 500) / 1000;
+	}
+}
+
+static u16 temp2_to_reg_adt7461(struct lm90_data *data, long val)
+{
+	if (data->flags & LM90_FLAG_ADT7461_EXT) {
+		if (val <= -64000)
+			return 0;
+		if (val >= 191750)
+			return 0xFFC0;
+		return (val + 64000 + 125) / 250 * 64;
+	} else {
+		if (val <= 0)
+			return 0;
+		if (val >= 127750)
+			return 0x7FC0;
+		return (val + 125) / 250 * 64;
+	}
 }
 
 /*
@@ -287,7 +327,14 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", temp1_from_reg(data->temp8[attr->index]));
+	int temp;
+
+	if (data->kind == adt7461)
+		temp = temp1_from_reg_adt7461(data, data->temp8[attr->index]);
+	else
+		temp = temp1_from_reg(data->temp8[attr->index]);
+
+	return sprintf(buf, "%d\n", temp);
 }
 
 static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
@@ -308,7 +355,7 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp8[nr] = temp1_to_reg_adt7461(val);
+		data->temp8[nr] = temp1_to_reg_adt7461(data, val);
 	else
 		data->temp8[nr] = temp1_to_reg(val);
 	i2c_smbus_write_byte_data(client, reg[nr], data->temp8[nr]);
@@ -321,7 +368,14 @@ static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", temp2_from_reg(data->temp11[attr->index]));
+	int temp;
+
+	if (data->kind == adt7461)
+		temp = temp2_from_reg_adt7461(data, data->temp11[attr->index]);
+	else
+		temp = temp2_from_reg(data->temp11[attr->index]);
+
+	return sprintf(buf, "%d\n", temp);
 }
 
 static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
@@ -344,7 +398,7 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp11[nr] = temp2_to_reg_adt7461(val);
+		data->temp11[nr] = temp2_to_reg_adt7461(data, val);
 	else if (data->kind == max6657 || data->kind == max6680)
 		data->temp11[nr] = temp1_to_reg(val) << 8;
 	else
@@ -364,8 +418,14 @@ static ssize_t show_temphyst(struct device *dev, struct device_attribute *devatt
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct lm90_data *data = lm90_update_device(dev);
-	return sprintf(buf, "%d\n", temp1_from_reg(data->temp8[attr->index])
-		       - temp1_from_reg(data->temp_hyst));
+	int temp;
+
+	if (data->kind == adt7461)
+		temp = temp1_from_reg_adt7461(data, data->temp8[attr->index]);
+	else
+		temp = temp1_from_reg(data->temp8[attr->index]);
+
+	return sprintf(buf, "%d\n", temp - temp1_from_reg(data->temp_hyst));
 }
 
 static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
@@ -598,7 +658,7 @@ static int lm90_detect(struct i2c_client *new_client, int kind,
 				kind = adm1032;
 			} else
 			if (chip_id == 0x51 /* ADT7461 */
-			 && (reg_config1 & 0x1F) == 0x00 /* check compat mode */
+			 && (reg_config1 & 0x1B) == 0x00
 			 && reg_convrate <= 0x0A) {
 				kind = adt7461;
 			}
@@ -737,6 +797,12 @@ static void lm90_init_client(struct i2c_client *client)
 	}
 	config_orig = config;
 
+	/* Check Temperature Range Select */
+	if (data->kind == adt7461) {
+		if (config & 0x04)
+			data->flags |= LM90_FLAG_ADT7461_EXT;
+	}
+
 	/*
 	 * Put MAX6680/MAX8881 into extended resolution (bit 0x10,
 	 * 0.125 degree resolution) and range (0x08, extend range
-- 
GitLab


From 9d4d3834229e9949c066c2d0f73ed5d4b4965761 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 17 Oct 2008 17:51:10 +0200
Subject: [PATCH 0864/2224] hwmon: (lm90) Rename temperature conversion
 functions to match usage

The encoding of temperatures varies between chips and modes.  So do not
use "temp1" or "temp2" in the names of the conversion functions, but
specify the encoding.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 drivers/hwmon/lm90.c | 46 ++++++++++++++++++++++----------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index fe5d860fc83..85ba2c4feb4 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -219,17 +219,17 @@ struct lm90_data {
  * LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
  */
 
-static inline int temp1_from_reg(s8 val)
+static inline int temp_from_s8(s8 val)
 {
 	return val * 1000;
 }
 
-static inline int temp2_from_reg(s16 val)
+static inline int temp_from_s16(s16 val)
 {
 	return val / 32 * 125;
 }
 
-static s8 temp1_to_reg(long val)
+static s8 temp_to_s8(long val)
 {
 	if (val <= -128000)
 		return -128;
@@ -240,7 +240,7 @@ static s8 temp1_to_reg(long val)
 	return (val + 500) / 1000;
 }
 
-static s16 temp2_to_reg(long val)
+static s16 temp_to_s16(long val)
 {
 	if (val <= -128000)
 		return 0x8000;
@@ -268,23 +268,23 @@ static u8 hyst_to_reg(long val)
  * ADT7461 in "extended mode" operation uses unsigned integers offset by
  * 64 (e.g., 0 -> -64 degC).  The range is restricted to -64..191 degC.
  */
-static inline int temp1_from_reg_adt7461(struct lm90_data *data, u8 val)
+static inline int temp_from_u8_adt7461(struct lm90_data *data, u8 val)
 {
 	if (data->flags & LM90_FLAG_ADT7461_EXT)
 		return (val - 64) * 1000;
 	else
-		return temp1_from_reg(val);
+		return temp_from_s8(val);
 }
 
-static inline int temp2_from_reg_adt7461(struct lm90_data *data, u16 val)
+static inline int temp_from_u16_adt7461(struct lm90_data *data, u16 val)
 {
 	if (data->flags & LM90_FLAG_ADT7461_EXT)
 		return (val - 0x4000) / 64 * 250;
 	else
-		return temp2_from_reg(val);
+		return temp_from_s16(val);
 }
 
-static u8 temp1_to_reg_adt7461(struct lm90_data *data, long val)
+static u8 temp_to_u8_adt7461(struct lm90_data *data, long val)
 {
 	if (data->flags & LM90_FLAG_ADT7461_EXT) {
 		if (val <= -64000)
@@ -301,7 +301,7 @@ static u8 temp1_to_reg_adt7461(struct lm90_data *data, long val)
 	}
 }
 
-static u16 temp2_to_reg_adt7461(struct lm90_data *data, long val)
+static u16 temp_to_u16_adt7461(struct lm90_data *data, long val)
 {
 	if (data->flags & LM90_FLAG_ADT7461_EXT) {
 		if (val <= -64000)
@@ -330,9 +330,9 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr,
 	int temp;
 
 	if (data->kind == adt7461)
-		temp = temp1_from_reg_adt7461(data, data->temp8[attr->index]);
+		temp = temp_from_u8_adt7461(data, data->temp8[attr->index]);
 	else
-		temp = temp1_from_reg(data->temp8[attr->index]);
+		temp = temp_from_s8(data->temp8[attr->index]);
 
 	return sprintf(buf, "%d\n", temp);
 }
@@ -355,9 +355,9 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp8[nr] = temp1_to_reg_adt7461(data, val);
+		data->temp8[nr] = temp_to_u8_adt7461(data, val);
 	else
-		data->temp8[nr] = temp1_to_reg(val);
+		data->temp8[nr] = temp_to_s8(val);
 	i2c_smbus_write_byte_data(client, reg[nr], data->temp8[nr]);
 	mutex_unlock(&data->update_lock);
 	return count;
@@ -371,9 +371,9 @@ static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr,
 	int temp;
 
 	if (data->kind == adt7461)
-		temp = temp2_from_reg_adt7461(data, data->temp11[attr->index]);
+		temp = temp_from_u16_adt7461(data, data->temp11[attr->index]);
 	else
-		temp = temp2_from_reg(data->temp11[attr->index]);
+		temp = temp_from_s16(data->temp11[attr->index]);
 
 	return sprintf(buf, "%d\n", temp);
 }
@@ -398,11 +398,11 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
 
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
-		data->temp11[nr] = temp2_to_reg_adt7461(data, val);
+		data->temp11[nr] = temp_to_u16_adt7461(data, val);
 	else if (data->kind == max6657 || data->kind == max6680)
-		data->temp11[nr] = temp1_to_reg(val) << 8;
+		data->temp11[nr] = temp_to_s8(val) << 8;
 	else
-		data->temp11[nr] = temp2_to_reg(val);
+		data->temp11[nr] = temp_to_s16(val);
 
 	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
 				  data->temp11[nr] >> 8);
@@ -421,11 +421,11 @@ static ssize_t show_temphyst(struct device *dev, struct device_attribute *devatt
 	int temp;
 
 	if (data->kind == adt7461)
-		temp = temp1_from_reg_adt7461(data, data->temp8[attr->index]);
+		temp = temp_from_u8_adt7461(data, data->temp8[attr->index]);
 	else
-		temp = temp1_from_reg(data->temp8[attr->index]);
+		temp = temp_from_s8(data->temp8[attr->index]);
 
-	return sprintf(buf, "%d\n", temp - temp1_from_reg(data->temp_hyst));
+	return sprintf(buf, "%d\n", temp - temp_from_s8(data->temp_hyst));
 }
 
 static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
@@ -437,7 +437,7 @@ static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
 	long hyst;
 
 	mutex_lock(&data->update_lock);
-	hyst = temp1_from_reg(data->temp8[2]) - val;
+	hyst = temp_from_s8(data->temp8[2]) - val;
 	i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST,
 				  hyst_to_reg(hyst));
 	mutex_unlock(&data->update_lock);
-- 
GitLab


From 271dabf5bbf6ae6e2792cd5cf6f0434230e5c18c Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 17 Oct 2008 17:51:11 +0200
Subject: [PATCH 0865/2224] hwmon: (lm90) Support MAX6646, MAX6647 and MAX6649

These Maxim chips are similar to MAX6657 but use unsigned temperature
values to allow for readings up to 145 degrees.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/lm90 | 15 ++++++++
 drivers/hwmon/Kconfig    |  3 +-
 drivers/hwmon/lm90.c     | 77 +++++++++++++++++++++++++++++++++-------
 3 files changed, 82 insertions(+), 13 deletions(-)

diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index 53cd829f3f4..e0d5206d1de 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -32,6 +32,21 @@ Supported chips:
     Addresses scanned: I2C 0x4c and 0x4d
     Datasheet: Publicly available at the ON Semiconductor website
                http://www.onsemi.com/PowerSolutions/product.do?id=ADT7461
+  * Maxim MAX6646
+    Prefix: 'max6646'
+    Addresses scanned: I2C 0x4d
+    Datasheet: Publicly available at the Maxim website
+               http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3497
+  * Maxim MAX6647
+    Prefix: 'max6646'
+    Addresses scanned: I2C 0x4e
+    Datasheet: Publicly available at the Maxim website
+               http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3497
+  * Maxim MAX6649
+    Prefix: 'max6646'
+    Addresses scanned: I2C 0x4c
+    Datasheet: Publicly available at the Maxim website
+               http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3497
   * Maxim MAX6657
     Prefix: 'max6657'
     Addresses scanned: I2C 0x4c
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 96701e099e8..6de1e0ffd39 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -511,7 +511,8 @@ config SENSORS_LM90
 	help
 	  If you say yes here you get support for National Semiconductor LM90,
 	  LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, and Maxim
-	  MAX6657, MAX6658, MAX6659, MAX6680 and MAX6681 sensor chips.
+	  MAX6646, MAX6647, MAX6649, MAX6657, MAX6658, MAX6659, MAX6680 and
+	  MAX6681 sensor chips.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm90.
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 85ba2c4feb4..fe09f82c42e 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -32,6 +32,11 @@
  * supported by this driver. These chips lack the remote temperature
  * offset feature.
  *
+ * This driver also supports the MAX6646, MAX6647 and MAX6649 chips
+ * made by Maxim.  These are again similar to the LM86, but they use
+ * unsigned temperature values and can report temperatures from 0 to
+ * 145 degrees.
+ *
  * This driver also supports the MAX6680 and MAX6681, two other sensor
  * chips made by Maxim. These are quite similar to the other Maxim
  * chips. The MAX6680 and MAX6681 only differ in the pinout so they can
@@ -76,9 +81,10 @@
  * Addresses to scan
  * Address is fully defined internally and cannot be changed except for
  * MAX6659, MAX6680 and MAX6681.
- * LM86, LM89, LM90, LM99, ADM1032, ADM1032-1, ADT7461, MAX6657 and MAX6658
- * have address 0x4c.
- * ADM1032-2, ADT7461-2, LM89-1, and LM99-1 have address 0x4d.
+ * LM86, LM89, LM90, LM99, ADM1032, ADM1032-1, ADT7461, MAX6649, MAX6657
+ * and MAX6658 have address 0x4c.
+ * ADM1032-2, ADT7461-2, LM89-1, LM99-1 and MAX6646 have address 0x4d.
+ * MAX6647 has address 0x4e.
  * MAX6659 can have address 0x4c, 0x4d or 0x4e (unsupported).
  * MAX6680 and MAX6681 can have address 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b,
  * 0x4c, 0x4d or 0x4e.
@@ -91,7 +97,8 @@ static const unsigned short normal_i2c[] = {
  * Insmod parameters
  */
 
-I2C_CLIENT_INSMOD_7(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680);
+I2C_CLIENT_INSMOD_8(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680,
+		    max6646);
 
 /*
  * The LM90 registers
@@ -132,7 +139,7 @@ I2C_CLIENT_INSMOD_7(lm90, adm1032, lm99, lm86, max6657, adt7461, max6680);
 #define LM90_REG_R_TCRIT_HYST		0x21
 #define LM90_REG_W_TCRIT_HYST		0x21
 
-/* MAX6657-specific registers */
+/* MAX6646/6647/6649/6657/6658/6659 registers */
 
 #define MAX6657_REG_R_LOCAL_TEMPL	0x11
 
@@ -164,6 +171,9 @@ static const struct i2c_device_id lm90_id[] = {
 	{ "lm86", lm86 },
 	{ "lm89", lm99 },
 	{ "lm99", lm99 },	/* Missing temperature offset */
+	{ "max6646", max6646 },
+	{ "max6647", max6646 },
+	{ "max6649", max6646 },
 	{ "max6657", max6657 },
 	{ "max6658", max6657 },
 	{ "max6659", max6657 },
@@ -205,7 +215,7 @@ struct lm90_data {
 	s16 temp11[5];	/* 0: remote input
 			   1: remote low limit
 			   2: remote high limit
-			   3: remote offset (except max6657)
+			   3: remote offset (except max6646 and max6657)
 			   4: local input */
 	u8 temp_hyst;
 	u8 alarms; /* bitvector */
@@ -216,7 +226,8 @@ struct lm90_data {
  * For local temperatures and limits, critical limits and the hysteresis
  * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celsius.
  * For remote temperatures and limits, it uses signed 11-bit values with
- * LSB = 0.125 degree Celsius, left-justified in 16-bit registers.
+ * LSB = 0.125 degree Celsius, left-justified in 16-bit registers.  Some
+ * Maxim chips use unsigned values.
  */
 
 static inline int temp_from_s8(s8 val)
@@ -224,11 +235,21 @@ static inline int temp_from_s8(s8 val)
 	return val * 1000;
 }
 
+static inline int temp_from_u8(u8 val)
+{
+	return val * 1000;
+}
+
 static inline int temp_from_s16(s16 val)
 {
 	return val / 32 * 125;
 }
 
+static inline int temp_from_u16(u16 val)
+{
+	return val / 32 * 125;
+}
+
 static s8 temp_to_s8(long val)
 {
 	if (val <= -128000)
@@ -240,6 +261,15 @@ static s8 temp_to_s8(long val)
 	return (val + 500) / 1000;
 }
 
+static u8 temp_to_u8(long val)
+{
+	if (val <= 0)
+		return 0;
+	if (val >= 255000)
+		return 255;
+	return (val + 500) / 1000;
+}
+
 static s16 temp_to_s16(long val)
 {
 	if (val <= -128000)
@@ -331,6 +361,8 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr,
 
 	if (data->kind == adt7461)
 		temp = temp_from_u8_adt7461(data, data->temp8[attr->index]);
+	else if (data->kind == max6646)
+		temp = temp_from_u8(data->temp8[attr->index]);
 	else
 		temp = temp_from_s8(data->temp8[attr->index]);
 
@@ -356,6 +388,8 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
 	mutex_lock(&data->update_lock);
 	if (data->kind == adt7461)
 		data->temp8[nr] = temp_to_u8_adt7461(data, val);
+	else if (data->kind == max6646)
+		data->temp8[nr] = temp_to_u8(val);
 	else
 		data->temp8[nr] = temp_to_s8(val);
 	i2c_smbus_write_byte_data(client, reg[nr], data->temp8[nr]);
@@ -372,6 +406,8 @@ static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr,
 
 	if (data->kind == adt7461)
 		temp = temp_from_u16_adt7461(data, data->temp11[attr->index]);
+	else if (data->kind == max6646)
+		temp = temp_from_u16(data->temp11[attr->index]);
 	else
 		temp = temp_from_s16(data->temp11[attr->index]);
 
@@ -401,12 +437,15 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
 		data->temp11[nr] = temp_to_u16_adt7461(data, val);
 	else if (data->kind == max6657 || data->kind == max6680)
 		data->temp11[nr] = temp_to_s8(val) << 8;
+	else if (data->kind == max6646)
+		data->temp11[nr] = temp_to_u8(val) << 8;
 	else
 		data->temp11[nr] = temp_to_s16(val);
 
 	i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
 				  data->temp11[nr] >> 8);
-	if (data->kind != max6657 && data->kind != max6680)
+	if (data->kind != max6657 && data->kind != max6680
+	    && data->kind != max6646)
 		i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
 					  data->temp11[nr] & 0xff);
 	mutex_unlock(&data->update_lock);
@@ -689,6 +728,16 @@ static int lm90_detect(struct i2c_client *new_client, int kind,
 			 && (reg_config1 & 0x03) == 0x00
 			 && reg_convrate <= 0x07) {
 			 	kind = max6680;
+			} else
+			/* The chip_id register of the MAX6646/6647/6649
+			 * holds the revision of the chip.
+			 * The lowest 6 bits of the config1 register are
+			 * unused and should return zero when read.
+			 */
+			if (chip_id == 0x59
+			 && (reg_config1 & 0x3f) == 0x00
+			 && reg_convrate <= 0x07) {
+				kind = max6646;
 			}
 		}
 
@@ -719,6 +768,8 @@ static int lm90_detect(struct i2c_client *new_client, int kind,
 		name = "max6680";
 	} else if (kind == adt7461) {
 		name = "adt7461";
+	} else if (kind == max6646) {
+		name = "max6646";
 	}
 	strlcpy(info->type, name, I2C_NAME_SIZE);
 
@@ -758,7 +809,7 @@ static int lm90_probe(struct i2c_client *new_client,
 					      &dev_attr_pec)))
 			goto exit_remove_files;
 	}
-	if (data->kind != max6657) {
+	if (data->kind != max6657 && data->kind != max6646) {
 		if ((err = device_create_file(&new_client->dev,
 				&sensor_dev_attr_temp2_offset.dev_attr)))
 			goto exit_remove_files;
@@ -824,7 +875,7 @@ static int lm90_remove(struct i2c_client *client)
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &lm90_group);
 	device_remove_file(&client->dev, &dev_attr_pec);
-	if (data->kind != max6657)
+	if (data->kind != max6657 && data->kind != max6646)
 		device_remove_file(&client->dev,
 				   &sensor_dev_attr_temp2_offset.dev_attr);
 
@@ -881,7 +932,7 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[3]);
 		lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst);
 
-		if (data->kind == max6657) {
+		if (data->kind == max6657 || data->kind == max6646) {
 			lm90_read16(client, LM90_REG_R_LOCAL_TEMP,
 				    MAX6657_REG_R_LOCAL_TEMPL,
 				    &data->temp11[4]);
@@ -896,6 +947,7 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h) == 0) {
 			data->temp11[1] = h << 8;
 			if (data->kind != max6657 && data->kind != max6680
+			 && data->kind != max6646
 			 && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL,
 					  &l) == 0)
 				data->temp11[1] |= l;
@@ -903,12 +955,13 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h) == 0) {
 			data->temp11[2] = h << 8;
 			if (data->kind != max6657 && data->kind != max6680
+			 && data->kind != max6646
 			 && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL,
 					  &l) == 0)
 				data->temp11[2] |= l;
 		}
 
-		if (data->kind != max6657) {
+		if (data->kind != max6657 && data->kind != max6646) {
 			if (lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSH,
 					  &h) == 0
 			 && lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSL,
-- 
GitLab


From 4b4e7a72fda549e309919931d8a39dea4e5b4be1 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:11 +0200
Subject: [PATCH 0866/2224] hwmon: (lm90) Don't spam the kernel log

Degrade the "Unsupported chip" message from info to debug level.
There's nothing wrong with this, so no need to bother the user.
Also make the message slightly more descriptive.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Martyn Welch <martyn.welch@gefanuc.com>
---
 drivers/hwmon/lm90.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index fe09f82c42e..3edeebc0b83 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -742,9 +742,9 @@ static int lm90_detect(struct i2c_client *new_client, int kind,
 		}
 
 		if (kind <= 0) { /* identification failed */
-			dev_info(&adapter->dev,
-			    "Unsupported chip (man_id=0x%02X, "
-			    "chip_id=0x%02X).\n", man_id, chip_id);
+			dev_dbg(&adapter->dev,
+				"Unsupported chip at 0x%02x (man_id=0x%02X, "
+				"chip_id=0x%02X)\n", address, man_id, chip_id);
 			return -ENODEV;
 		}
 	}
-- 
GitLab


From 49ae6cc8005f45edadf237089c31885834f2608e Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 17 Oct 2008 17:51:11 +0200
Subject: [PATCH 0867/2224] hwmon: (lm87) Fix masking of config register in
 lm87_init_client()

lm87_init_client() conditionally sets the Start bit and clears the
INT#_Clear bit in the Config 1 register.  The condition should be that
either of these bits needs changing, but currently it checks the
(self-clearing) Initialization bit instead of INT#_Clear.

Fix the condition and also ensure we never set the Initialization bit.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm87.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index 21970f0d53a..0fecbfd2ba5 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -867,11 +867,11 @@ static void lm87_init_client(struct i2c_client *client)
 			lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF);
 		}
 	}
-	if ((config & 0x81) != 0x01) {
-		/* Start monitoring */
+
+	/* Make sure Start is set and INT#_Clear is clear */
+	if ((config & 0x09) != 0x01)
 		lm87_write_value(client, LM87_REG_CONFIG,
-				 (config & 0xF7) | 0x01);
-	}
+				 (config & 0x77) | 0x01);
 }
 
 static int lm87_remove(struct i2c_client *client)
-- 
GitLab


From d2cac802feae6f0c246a9251eefc482bf5ec0f0f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 17 Oct 2008 17:51:11 +0200
Subject: [PATCH 0868/2224] hwmon: (lm87) Restore original configuration
 register on removal

This means that if we have to start the monitor when probed, we also
stop it on removal.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm87.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index 0fecbfd2ba5..fa0e3794d9a 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -199,6 +199,7 @@ struct lm87_data {
 	unsigned long last_updated; /* In jiffies */
 
 	u8 channel;		/* register value */
+	u8 config;		/* original register value */
 
 	u8 in[8];		/* register value */
 	u8 in_max[8];		/* register value */
@@ -832,6 +833,7 @@ exit_remove:
 	sysfs_remove_group(&new_client->dev.kobj, &lm87_group);
 	sysfs_remove_group(&new_client->dev.kobj, &lm87_group_opt);
 exit_free:
+	lm87_write_value(new_client, LM87_REG_CONFIG, data->config);
 	kfree(data);
 exit:
 	return err;
@@ -840,12 +842,11 @@ exit:
 static void lm87_init_client(struct i2c_client *client)
 {
 	struct lm87_data *data = i2c_get_clientdata(client);
-	u8 config;
 
 	data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
+	data->config = lm87_read_value(client, LM87_REG_CONFIG) & 0x6F;
 
-	config = lm87_read_value(client, LM87_REG_CONFIG);
-	if (!(config & 0x01)) {
+	if (!(data->config & 0x01)) {
 		int i;
 
 		/* Limits are left uninitialized after power-up */
@@ -869,9 +870,9 @@ static void lm87_init_client(struct i2c_client *client)
 	}
 
 	/* Make sure Start is set and INT#_Clear is clear */
-	if ((config & 0x09) != 0x01)
+	if ((data->config & 0x09) != 0x01)
 		lm87_write_value(client, LM87_REG_CONFIG,
-				 (config & 0x77) | 0x01);
+				 (data->config & 0x77) | 0x01);
 }
 
 static int lm87_remove(struct i2c_client *client)
@@ -882,6 +883,7 @@ static int lm87_remove(struct i2c_client *client)
 	sysfs_remove_group(&client->dev.kobj, &lm87_group);
 	sysfs_remove_group(&client->dev.kobj, &lm87_group_opt);
 
+	lm87_write_value(client, LM87_REG_CONFIG, data->config);
 	kfree(data);
 	return 0;
 }
-- 
GitLab


From 47064d645bc55863c7887a7c96cde39c9a37ee5f Mon Sep 17 00:00:00 2001
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Fri, 17 Oct 2008 17:51:12 +0200
Subject: [PATCH 0869/2224] hwmon: (lm87) Add support for configuration through
 platform_data

The lm87 driver normally assumes that firmware configured the chip
correctly.  Since this is not always the case, alllow platform code to
set the channel register value via platform_data.  All other
configuration registers can be changed after driver initialisation.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/lm87 |  9 ++++-----
 drivers/hwmon/lm87.c     | 17 +++++++++++------
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/Documentation/hwmon/lm87 b/Documentation/hwmon/lm87
index ec27aa1b94c..6b47b67fd96 100644
--- a/Documentation/hwmon/lm87
+++ b/Documentation/hwmon/lm87
@@ -65,11 +65,10 @@ The LM87 has four pins which can serve one of two possible functions,
 depending on the hardware configuration.
 
 Some functions share pins, so not all functions are available at the same
-time. Which are depends on the hardware setup. This driver assumes that
-the BIOS configured the chip correctly. In that respect, it differs from
-the original driver (from lm_sensors for Linux 2.4), which would force the
-LM87 to an arbitrary, compile-time chosen mode, regardless of the actual
-chipset wiring.
+time. Which are depends on the hardware setup. This driver normally
+assumes that firmware configured the chip correctly. Where this is not
+the case, platform code must set the I2C client's platform_data to point
+to a u8 value to be written to the channel register.
 
 For reference, here is the list of exclusive functions:
  - in0+in5 (default) or temp3
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index fa0e3794d9a..2e4a3cea95f 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -21,11 +21,10 @@
  *   http://www.national.com/pf/LM/LM87.html
  *
  * Some functions share pins, so not all functions are available at the same
- * time. Which are depends on the hardware setup. This driver assumes that
- * the BIOS configured the chip correctly. In that respect, it  differs from
- * the original driver (from lm_sensors for Linux 2.4), which would force the
- * LM87 to an arbitrary, compile-time chosen mode, regardless of the actual
- * chipset wiring.
+ * time. Which are depends on the hardware setup. This driver normally
+ * assumes that firmware configured the chip correctly. Where this is not
+ * the case, platform code must set the I2C client's platform_data to point
+ * to a u8 value to be written to the channel register.
  * For reference, here is the list of exclusive functions:
  *  - in0+in5 (default) or temp3
  *  - fan1 (default) or in6
@@ -843,7 +842,13 @@ static void lm87_init_client(struct i2c_client *client)
 {
 	struct lm87_data *data = i2c_get_clientdata(client);
 
-	data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
+	if (client->dev.platform_data) {
+		data->channel = *(u8 *)client->dev.platform_data;
+		lm87_write_value(client,
+				 LM87_REG_CHANNEL_MODE, data->channel);
+	} else {
+		data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
+	}
 	data->config = lm87_read_value(client, LM87_REG_CONFIG) & 0x6F;
 
 	if (!(data->config & 0x01)) {
-- 
GitLab


From 810ad7b62c0f075dc44ecc781b24c7f6ba388da5 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:12 +0200
Subject: [PATCH 0870/2224] hwmon: (ams) Convert to a new-style i2c driver

The legacy i2c binding model is phasing out, so the ams driver needs
to be converted to a new-style i2c driver. Here is a naive approach of
this conversion. Basically it is moving the i2c device creation from
the ams driver to the i2c-powermac driver. This should work, but I
suspect we could come up with something cleaner by declaring the i2c
device as part of the platform setup. This could be done later by
someone more familiar with openfirmware-based platforms than I am
myself.

One nice thing brought by this conversion is that the ams driver
should be loaded automatically on systems where is is needed (at
least when the I2C interface to the chip is used) providing
coldplug-aware user-space environment.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Cc: Stelian Pop <stelian@popies.net>
Cc: Michael Hanselmann <linux-kernel@hansmi.ch>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/hwmon/ams/ams-i2c.c       | 56 ++++++++++---------------------
 drivers/hwmon/ams/ams.h           |  4 +--
 drivers/i2c/busses/i2c-powermac.c | 29 ++++++++++++++++
 3 files changed, 48 insertions(+), 41 deletions(-)

diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c
index 957760536a4..da26de01068 100644
--- a/drivers/hwmon/ams/ams-i2c.c
+++ b/drivers/hwmon/ams/ams-i2c.c
@@ -60,26 +60,34 @@ enum ams_i2c_cmd {
 	AMS_CMD_START,
 };
 
-static int ams_i2c_attach(struct i2c_adapter *adapter);
-static int ams_i2c_detach(struct i2c_adapter *adapter);
+static int ams_i2c_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id);
+static int ams_i2c_remove(struct i2c_client *client);
+
+static const struct i2c_device_id ams_id[] = {
+	{ "ams", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ams_id);
 
 static struct i2c_driver ams_i2c_driver = {
 	.driver = {
 		.name   = "ams",
 		.owner  = THIS_MODULE,
 	},
-	.attach_adapter = ams_i2c_attach,
-	.detach_adapter = ams_i2c_detach,
+	.probe          = ams_i2c_probe,
+	.remove         = ams_i2c_remove,
+	.id_table       = ams_id,
 };
 
 static s32 ams_i2c_read(u8 reg)
 {
-	return i2c_smbus_read_byte_data(&ams_info.i2c_client, reg);
+	return i2c_smbus_read_byte_data(ams_info.i2c_client, reg);
 }
 
 static int ams_i2c_write(u8 reg, u8 value)
 {
-	return i2c_smbus_write_byte_data(&ams_info.i2c_client, reg, value);
+	return i2c_smbus_write_byte_data(ams_info.i2c_client, reg, value);
 }
 
 static int ams_i2c_cmd(enum ams_i2c_cmd cmd)
@@ -152,9 +160,9 @@ static void ams_i2c_get_xyz(s8 *x, s8 *y, s8 *z)
 	*z = ams_i2c_read(AMS_DATAZ);
 }
 
-static int ams_i2c_attach(struct i2c_adapter *adapter)
+static int ams_i2c_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
 {
-	unsigned long bus;
 	int vmaj, vmin;
 	int result;
 
@@ -162,17 +170,7 @@ static int ams_i2c_attach(struct i2c_adapter *adapter)
 	if (unlikely(ams_info.has_device))
 		return -ENODEV;
 
-	if (strncmp(adapter->name, "uni-n", 5))
-		return -ENODEV;
-
-	bus = simple_strtoul(adapter->name + 6, NULL, 10);
-	if (bus != ams_info.i2c_bus)
-		return -ENODEV;
-
-	ams_info.i2c_client.addr = ams_info.i2c_address;
-	ams_info.i2c_client.adapter = adapter;
-	ams_info.i2c_client.driver = &ams_i2c_driver;
-	strcpy(ams_info.i2c_client.name, "Apple Motion Sensor");
+	ams_info.i2c_client = client;
 
 	if (ams_i2c_cmd(AMS_CMD_RESET)) {
 		printk(KERN_INFO "ams: Failed to reset the device\n");
@@ -237,7 +235,7 @@ static int ams_i2c_attach(struct i2c_adapter *adapter)
 	return 0;
 }
 
-static int ams_i2c_detach(struct i2c_adapter *adapter)
+static int ams_i2c_remove(struct i2c_client *client)
 {
 	if (ams_info.has_device) {
 		/* Disable interrupts */
@@ -261,9 +259,7 @@ static void ams_i2c_exit(void)
 
 int __init ams_i2c_init(struct device_node *np)
 {
-	char *tmp_bus;
 	int result;
-	const u32 *prop;
 
 	mutex_lock(&ams_info.lock);
 
@@ -275,24 +271,8 @@ int __init ams_i2c_init(struct device_node *np)
 	ams_info.clear_irq = ams_i2c_clear_irq;
 	ams_info.bustype = BUS_I2C;
 
-	/* look for bus either using "reg" or by path */
-	prop = of_get_property(ams_info.of_node, "reg", NULL);
-	if (!prop) {
-		result = -ENODEV;
-
-		goto exit;
-	}
-
-	tmp_bus = strstr(ams_info.of_node->full_name, "/i2c-bus@");
-	if (tmp_bus)
-		ams_info.i2c_bus = *(tmp_bus + 9) - '0';
-	else
-		ams_info.i2c_bus = ((*prop) >> 8) & 0x0f;
-	ams_info.i2c_address = ((*prop) & 0xff) >> 1;
-
 	result = i2c_add_driver(&ams_i2c_driver);
 
-exit:
 	mutex_unlock(&ams_info.lock);
 
 	return result;
diff --git a/drivers/hwmon/ams/ams.h b/drivers/hwmon/ams/ams.h
index 221ef6915a5..5ed387b0bd9 100644
--- a/drivers/hwmon/ams/ams.h
+++ b/drivers/hwmon/ams/ams.h
@@ -46,9 +46,7 @@ struct ams {
 
 #ifdef CONFIG_SENSORS_AMS_I2C
 	/* I2C properties */
-	int i2c_bus;
-	int i2c_address;
-	struct i2c_client i2c_client;
+	struct i2c_client *i2c_client;
 #endif
 
 	/* Joystick emulation */
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index 0e7b1c6724a..60ca91745e5 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -259,6 +259,35 @@ static int __devinit i2c_powermac_probe(struct platform_device *dev)
 	}
 
 	printk(KERN_INFO "PowerMac i2c bus %s registered\n", name);
+
+	if (!strncmp(basename, "uni-n", 5)) {
+		struct device_node *np;
+		const u32 *prop;
+		struct i2c_board_info info;
+
+		/* Instantiate I2C motion sensor if present */
+		np = of_find_node_by_name(NULL, "accelerometer");
+		if (np && of_device_is_compatible(np, "AAPL,accelerometer_1") &&
+		    (prop = of_get_property(np, "reg", NULL))) {
+			int i2c_bus;
+			const char *tmp_bus;
+
+			/* look for bus either using "reg" or by path */
+			tmp_bus = strstr(np->full_name, "/i2c-bus@");
+			if (tmp_bus)
+				i2c_bus = *(tmp_bus + 9) - '0';
+			else
+				i2c_bus = ((*prop) >> 8) & 0x0f;
+
+			if (pmac_i2c_get_channel(bus) == i2c_bus) {
+				memset(&info, 0, sizeof(struct i2c_board_info));
+				info.addr = ((*prop) & 0xff) >> 1;
+				strlcpy(info.type, "ams", I2C_NAME_SIZE);
+				i2c_new_device(adapter, &info);
+			}
+		}
+	}
+
 	return rc;
 }
 
-- 
GitLab


From 0a02002268bf624a8b0eaf3b4eb5c4207bd80d8b Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Fri, 17 Oct 2008 17:51:12 +0200
Subject: [PATCH 0871/2224] hwmon: (ams) Fix permissions on 'joystick' module
 parameter

We should not allow writes to the 'joystick' module parameters since
writing there will not trigger creation of the input device. Disable
writes since we provide alternative way of enabling input device via
AMS device's sysfs attribute.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/ams/ams-input.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/ams/ams-input.c b/drivers/hwmon/ams/ams-input.c
index 7b81e0c2c2d..48dbf7d6a66 100644
--- a/drivers/hwmon/ams/ams-input.c
+++ b/drivers/hwmon/ams/ams-input.c
@@ -20,11 +20,11 @@
 #include "ams.h"
 
 static unsigned int joystick;
-module_param(joystick, bool, 0644);
+module_param(joystick, bool, S_IRUGO);
 MODULE_PARM_DESC(joystick, "Enable the input class device on module load");
 
 static unsigned int invert;
-module_param(invert, bool, 0644);
+module_param(invert, bool, S_IWUSR | S_IRUGO);
 MODULE_PARM_DESC(invert, "Invert input data on X and Y axis");
 
 static void ams_idev_poll(struct input_polled_dev *dev)
-- 
GitLab


From ee4cd32ee8a68e22081f698602e4315fb4272853 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Fri, 17 Oct 2008 17:51:12 +0200
Subject: [PATCH 0872/2224] hwmon: (ams) Fix locking issues

Use a separate mutex to serialize input device creation/removal,
otheriwse we deadlock if we try to remove input device while it is
being polled. Also do not take ams_info.lock when it is not needed.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/ams/ams-core.c  | 40 ++++++++++--------------
 drivers/hwmon/ams/ams-i2c.c   |  4 ---
 drivers/hwmon/ams/ams-input.c | 59 ++++++++++++++++++++---------------
 drivers/hwmon/ams/ams-pmu.c   | 18 +++--------
 4 files changed, 56 insertions(+), 65 deletions(-)

diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c
index fbefa82a015..9b4a0e7a564 100644
--- a/drivers/hwmon/ams/ams-core.c
+++ b/drivers/hwmon/ams/ams-core.c
@@ -223,34 +223,28 @@ int __init ams_init(void)
 
 void ams_exit(void)
 {
-	mutex_lock(&ams_info.lock);
-
-	if (ams_info.has_device) {
-		/* Remove input device */
-		ams_input_exit();
+	/* Remove input device */
+	ams_input_exit();
 
-		/* Shut down implementation */
-		ams_info.exit();
-
-		/* Flush interrupt worker
-		 *
-		 * We do this after ams_info.exit(), because an interrupt might
-		 * have arrived before disabling them.
-		 */
-		flush_scheduled_work();
+	/* Remove attributes */
+	device_remove_file(&ams_info.of_dev->dev, &dev_attr_current);
 
-		/* Remove attributes */
-		device_remove_file(&ams_info.of_dev->dev, &dev_attr_current);
+	/* Shut down implementation */
+	ams_info.exit();
 
-		/* Remove device */
-		of_device_unregister(ams_info.of_dev);
+	/* Flush interrupt worker
+	 *
+	 * We do this after ams_info.exit(), because an interrupt might
+	 * have arrived before disabling them.
+	 */
+	flush_scheduled_work();
 
-		/* Remove handler */
-		pmf_unregister_irq_client(&ams_shock_client);
-		pmf_unregister_irq_client(&ams_freefall_client);
-	}
+	/* Remove device */
+	of_device_unregister(ams_info.of_dev);
 
-	mutex_unlock(&ams_info.lock);
+	/* Remove handler */
+	pmf_unregister_irq_client(&ams_shock_client);
+	pmf_unregister_irq_client(&ams_freefall_client);
 }
 
 MODULE_AUTHOR("Stelian Pop, Michael Hanselmann");
diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c
index da26de01068..2cbf8a6506c 100644
--- a/drivers/hwmon/ams/ams-i2c.c
+++ b/drivers/hwmon/ams/ams-i2c.c
@@ -261,8 +261,6 @@ int __init ams_i2c_init(struct device_node *np)
 {
 	int result;
 
-	mutex_lock(&ams_info.lock);
-
 	/* Set implementation stuff */
 	ams_info.of_node = np;
 	ams_info.exit = ams_i2c_exit;
@@ -273,7 +271,5 @@ int __init ams_i2c_init(struct device_node *np)
 
 	result = i2c_add_driver(&ams_i2c_driver);
 
-	mutex_unlock(&ams_info.lock);
-
 	return result;
 }
diff --git a/drivers/hwmon/ams/ams-input.c b/drivers/hwmon/ams/ams-input.c
index 48dbf7d6a66..8a712392cd3 100644
--- a/drivers/hwmon/ams/ams-input.c
+++ b/drivers/hwmon/ams/ams-input.c
@@ -27,6 +27,8 @@ static unsigned int invert;
 module_param(invert, bool, S_IWUSR | S_IRUGO);
 MODULE_PARM_DESC(invert, "Invert input data on X and Y axis");
 
+static DEFINE_MUTEX(ams_input_mutex);
+
 static void ams_idev_poll(struct input_polled_dev *dev)
 {
 	struct input_dev *idev = dev->input;
@@ -50,13 +52,11 @@ static void ams_idev_poll(struct input_polled_dev *dev)
 }
 
 /* Call with ams_info.lock held! */
-static void ams_input_enable(void)
+static int ams_input_enable(void)
 {
 	struct input_dev *input;
 	s8 x, y, z;
-
-	if (ams_info.idev)
-		return;
+	int error;
 
 	ams_sensors(&x, &y, &z);
 	ams_info.xcalib = x;
@@ -65,7 +65,7 @@ static void ams_input_enable(void)
 
 	ams_info.idev = input_allocate_polled_device();
 	if (!ams_info.idev)
-		return;
+		return -ENOMEM;
 
 	ams_info.idev->poll = ams_idev_poll;
 	ams_info.idev->poll_interval = 25;
@@ -84,14 +84,18 @@ static void ams_input_enable(void)
 	set_bit(EV_KEY, input->evbit);
 	set_bit(BTN_TOUCH, input->keybit);
 
-	if (input_register_polled_device(ams_info.idev)) {
+	error = input_register_polled_device(ams_info.idev);
+	if (error) {
 		input_free_polled_device(ams_info.idev);
 		ams_info.idev = NULL;
-		return;
+		return error;
 	}
+
+	joystick = 1;
+
+	return 0;
 }
 
-/* Call with ams_info.lock held! */
 static void ams_input_disable(void)
 {
 	if (ams_info.idev) {
@@ -99,6 +103,8 @@ static void ams_input_disable(void)
 		input_free_polled_device(ams_info.idev);
 		ams_info.idev = NULL;
 	}
+
+	joystick = 0;
 }
 
 static ssize_t ams_input_show_joystick(struct device *dev,
@@ -110,39 +116,42 @@ static ssize_t ams_input_show_joystick(struct device *dev,
 static ssize_t ams_input_store_joystick(struct device *dev,
 	struct device_attribute *attr, const char *buf, size_t count)
 {
-	if (sscanf(buf, "%d\n", &joystick) != 1)
+	unsigned long enable;
+	int error = 0;
+
+	if (strict_strtoul(buf, 0, &enable) || enable > 1)
 		return -EINVAL;
 
-	mutex_lock(&ams_info.lock);
+	mutex_lock(&ams_input_mutex);
 
-	if (joystick)
-		ams_input_enable();
-	else
-		ams_input_disable();
+	if (enable != joystick) {
+		if (enable)
+			error = ams_input_enable();
+		else
+			ams_input_disable();
+	}
 
-	mutex_unlock(&ams_info.lock);
+	mutex_unlock(&ams_input_mutex);
 
-	return count;
+	return error ? error : count;
 }
 
 static DEVICE_ATTR(joystick, S_IRUGO | S_IWUSR,
 	ams_input_show_joystick, ams_input_store_joystick);
 
-/* Call with ams_info.lock held! */
 int ams_input_init(void)
 {
-	int result;
-
-	result = device_create_file(&ams_info.of_dev->dev, &dev_attr_joystick);
-
-	if (!result && joystick)
+	if (joystick)
 		ams_input_enable();
-	return result;
+
+	return device_create_file(&ams_info.of_dev->dev, &dev_attr_joystick);
 }
 
-/* Call with ams_info.lock held! */
 void ams_input_exit(void)
 {
-	ams_input_disable();
 	device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick);
+
+	mutex_lock(&ams_input_mutex);
+	ams_input_disable();
+	mutex_unlock(&ams_input_mutex);
 }
diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c
index 9463e9768f6..fb18b3d3162 100644
--- a/drivers/hwmon/ams/ams-pmu.c
+++ b/drivers/hwmon/ams/ams-pmu.c
@@ -149,8 +149,6 @@ int __init ams_pmu_init(struct device_node *np)
 	const u32 *prop;
 	int result;
 
-	mutex_lock(&ams_info.lock);
-
 	/* Set implementation stuff */
 	ams_info.of_node = np;
 	ams_info.exit = ams_pmu_exit;
@@ -161,10 +159,9 @@ int __init ams_pmu_init(struct device_node *np)
 
 	/* Get PMU command, should be 0x4e, but we can never know */
 	prop = of_get_property(ams_info.of_node, "reg", NULL);
-	if (!prop) {
-		result = -ENODEV;
-		goto exit;
-	}
+	if (!prop)
+		return -ENODEV;
+
 	ams_pmu_cmd = ((*prop) >> 8) & 0xff;
 
 	/* Disable interrupts */
@@ -175,7 +172,7 @@ int __init ams_pmu_init(struct device_node *np)
 
 	result = ams_sensor_attach();
 	if (result < 0)
-		goto exit;
+		return result;
 
 	/* Set default values */
 	ams_pmu_set_register(AMS_FF_LOW_LIMIT, 0x15);
@@ -198,10 +195,5 @@ int __init ams_pmu_init(struct device_node *np)
 
 	printk(KERN_INFO "ams: Found PMU based motion sensor\n");
 
-	result = 0;
-
-exit:
-	mutex_unlock(&ams_info.lock);
-
-	return result;
+	return 0;
 }
-- 
GitLab


From dbee356262bb1c84cfa585530e33e7003534052a Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Fri, 17 Oct 2008 17:51:13 +0200
Subject: [PATCH 0873/2224] hwmon: (ams) Simplify IRQ handling routine

Simplify the IRQ handling routine of ams driver.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/ams/ams-core.c | 42 +++++++++++++++---------------------
 1 file changed, 17 insertions(+), 25 deletions(-)

diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c
index 9b4a0e7a564..6c9ace1b76f 100644
--- a/drivers/hwmon/ams/ams-core.c
+++ b/drivers/hwmon/ams/ams-core.c
@@ -99,39 +99,31 @@ static struct pmf_irq_client ams_shock_client = {
  */
 static void ams_worker(struct work_struct *work)
 {
-	mutex_lock(&ams_info.lock);
-
-	if (ams_info.has_device) {
-		unsigned long flags;
+	unsigned long flags;
+	u8 irqs_to_clear;
 
-		spin_lock_irqsave(&ams_info.irq_lock, flags);
+	mutex_lock(&ams_info.lock);
 
-		if (ams_info.worker_irqs & AMS_IRQ_FREEFALL) {
-			if (verbose)
-				printk(KERN_INFO "ams: freefall detected!\n");
+	spin_lock_irqsave(&ams_info.irq_lock, flags);
+	irqs_to_clear = ams_info.worker_irqs;
 
-			ams_info.worker_irqs &= ~AMS_IRQ_FREEFALL;
+	if (ams_info.worker_irqs & AMS_IRQ_FREEFALL) {
+		if (verbose)
+			printk(KERN_INFO "ams: freefall detected!\n");
 
-			/* we must call this with interrupts enabled */
-			spin_unlock_irqrestore(&ams_info.irq_lock, flags);
-			ams_info.clear_irq(AMS_IRQ_FREEFALL);
-			spin_lock_irqsave(&ams_info.irq_lock, flags);
-		}
+		ams_info.worker_irqs &= ~AMS_IRQ_FREEFALL;
+	}
 
-		if (ams_info.worker_irqs & AMS_IRQ_SHOCK) {
-			if (verbose)
-				printk(KERN_INFO "ams: shock detected!\n");
+	if (ams_info.worker_irqs & AMS_IRQ_SHOCK) {
+		if (verbose)
+			printk(KERN_INFO "ams: shock detected!\n");
 
-			ams_info.worker_irqs &= ~AMS_IRQ_SHOCK;
+		ams_info.worker_irqs &= ~AMS_IRQ_SHOCK;
+	}
 
-			/* we must call this with interrupts enabled */
-			spin_unlock_irqrestore(&ams_info.irq_lock, flags);
-			ams_info.clear_irq(AMS_IRQ_SHOCK);
-			spin_lock_irqsave(&ams_info.irq_lock, flags);
-		}
+	spin_unlock_irqrestore(&ams_info.irq_lock, flags);
 
-		spin_unlock_irqrestore(&ams_info.irq_lock, flags);
-	}
+	ams_info.clear_irq(irqs_to_clear);
 
 	mutex_unlock(&ams_info.lock);
 }
-- 
GitLab


From 69fc1feba2d5856ff74dedb6ae9d8c490210825c Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:13 +0200
Subject: [PATCH 0874/2224] hwmon: (lm85) Rework the device detection

Rework the device detection to make it clearer and faster in the
general case (when a known device is found.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
---
 drivers/hwmon/lm85.c | 123 ++++++++++++++++++-------------------------
 1 file changed, 50 insertions(+), 73 deletions(-)

diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 12d446f54f9..3594a02f281 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1106,7 +1106,6 @@ static void lm85_init_client(struct i2c_client *client)
 static int lm85_detect(struct i2c_adapter *adapter, int address,
 		int kind)
 {
-	int company, verstep;
 	struct i2c_client *client;
 	struct lm85_data *data;
 	int err = 0;
@@ -1117,10 +1116,6 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
 		goto ERROR0;
 	}
 
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet.
-	   But it allows us to access lm85_{read,write}_value. */
-
 	if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto ERROR0;
@@ -1132,75 +1127,57 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
 	client->adapter = adapter;
 	client->driver = &lm85_driver;
 
-	/* Now, we do the remaining detection. */
-
-	company = lm85_read_value(client, LM85_REG_COMPANY);
-	verstep = lm85_read_value(client, LM85_REG_VERSTEP);
-
-	dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
-		" COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
-		i2c_adapter_id(client->adapter), client->addr,
-		company, verstep);
-
-	/* If auto-detecting, Determine the chip type. */
-	if (kind <= 0) {
-		dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n",
-			i2c_adapter_id(adapter), address);
-		if (company == LM85_COMPANY_NATIONAL
-		    && verstep == LM85_VERSTEP_LM85C) {
-			kind = lm85c;
-		} else if (company == LM85_COMPANY_NATIONAL
-		    && verstep == LM85_VERSTEP_LM85B) {
-			kind = lm85b;
-		} else if (company == LM85_COMPANY_NATIONAL
-		    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
-			dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
-				" Defaulting to LM85.\n", verstep);
-			kind = any_chip;
-		} else if (company == LM85_COMPANY_ANALOG_DEV
-		    && verstep == LM85_VERSTEP_ADM1027) {
-			kind = adm1027;
-		} else if (company == LM85_COMPANY_ANALOG_DEV
-		    && (verstep == LM85_VERSTEP_ADT7463
-			 || verstep == LM85_VERSTEP_ADT7463C)) {
-			kind = adt7463;
-		} else if (company == LM85_COMPANY_ANALOG_DEV
-		    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
-			dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
-				" Defaulting to Generic LM85.\n", verstep);
-			kind = any_chip;
-		} else if (company == LM85_COMPANY_SMSC
-		    && (verstep == LM85_VERSTEP_EMC6D100_A0
-			 || verstep == LM85_VERSTEP_EMC6D100_A1)) {
-			/* Unfortunately, we can't tell a '100 from a '101
-			 * from the registers.  Since a '101 is a '100
-			 * in a package with fewer pins and therefore no
-			 * 3.3V, 1.5V or 1.8V inputs, perhaps if those
-			 * inputs read 0, then it's a '101.
-			 */
-			kind = emc6d100;
-		} else if (company == LM85_COMPANY_SMSC
-		    && verstep == LM85_VERSTEP_EMC6D102) {
-			kind = emc6d102;
-		} else if (company == LM85_COMPANY_SMSC
-		    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
-			dev_err(&adapter->dev, "lm85: Detected SMSC chip\n");
-			dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x"
-			    " Defaulting to Generic LM85.\n", verstep);
-			kind = any_chip;
-		} else if (kind == any_chip
-		    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
-			dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n");
-			/* Leave kind as "any_chip" */
-		} else {
-			dev_dbg(&adapter->dev, "Autodetection failed\n");
-			/* Not an LM85... */
-			if (kind == any_chip) {  /* User used force=x,y */
-				dev_err(&adapter->dev, "Generic LM85 Version 6 not"
-					" found at %d,0x%02x. Try force_lm85c.\n",
-					i2c_adapter_id(adapter), address);
+	/* If auto-detecting, determine the chip type */
+	if (kind < 0) {
+		int company = lm85_read_value(client, LM85_REG_COMPANY);
+		int verstep = lm85_read_value(client, LM85_REG_VERSTEP);
+
+		dev_dbg(&adapter->dev, "Detecting device at 0x%02x with "
+			"COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
+			address, company, verstep);
+
+		/* All supported chips have the version in common */
+		if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC) {
+			dev_dbg(&adapter->dev, "Autodetection failed: "
+				"unsupported version\n");
+			goto ERROR1;
+		}
+		kind = any_chip;
+
+		/* Now, refine the detection */
+		if (company == LM85_COMPANY_NATIONAL) {
+			switch (verstep) {
+			case LM85_VERSTEP_LM85C:
+				kind = lm85c;
+				break;
+			case LM85_VERSTEP_LM85B:
+				kind = lm85b;
+				break;
+			}
+		} else if (company == LM85_COMPANY_ANALOG_DEV) {
+			switch (verstep) {
+			case LM85_VERSTEP_ADM1027:
+				kind = adm1027;
+				break;
+			case LM85_VERSTEP_ADT7463:
+			case LM85_VERSTEP_ADT7463C:
+				kind = adt7463;
+				break;
 			}
-			err = 0;
+		} else if (company == LM85_COMPANY_SMSC) {
+			switch (verstep) {
+			case LM85_VERSTEP_EMC6D100_A0:
+			case LM85_VERSTEP_EMC6D100_A1:
+				/* Note: we can't tell a '100 from a '101 */
+				kind = emc6d100;
+				break;
+			case LM85_VERSTEP_EMC6D102:
+				kind = emc6d102;
+				break;
+			}
+		} else {
+			dev_dbg(&adapter->dev, "Autodetection failed: "
+				"unknown vendor\n");
 			goto ERROR1;
 		}
 	}
-- 
GitLab


From 34e7dc6ca4a663a1bb0a0a4e118426849dccd72d Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:13 +0200
Subject: [PATCH 0875/2224] hwmon: (lm85) Implement the standard PWM frequency
 interface

Implement the standard PWM frequency interface: pwm[1-*]_freq in
units of 1 Hz, instead of the non-standard pwm[1-*]_auto_pwm_freq
in units of 0.1 Hz. The old naming was not only non-standard, it was
also confusing, because it suggested that the frequency value only
applied in automatic fan speed mode, which isn't true.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
---
 Documentation/hwmon/lm85 | 10 ------
 drivers/hwmon/lm85.c     | 77 ++++++++++++++++++++--------------------
 2 files changed, 38 insertions(+), 49 deletions(-)

diff --git a/Documentation/hwmon/lm85 b/Documentation/hwmon/lm85
index 6d41db7f17f..40062074129 100644
--- a/Documentation/hwmon/lm85
+++ b/Documentation/hwmon/lm85
@@ -163,16 +163,6 @@ configured individually according to the following options.
 * pwm#_auto_pwm_min - this specifies the PWM value for temp#_auto_temp_off
                       temperature. (PWM value from 0 to 255)
 
-* pwm#_auto_pwm_freq - select base frequency of PWM output. You can select
-                       in range of 10.0 to 94.0 Hz in .1 Hz units.
-		       (Values 100 to 940).
-
-The pwm#_auto_pwm_freq can be set to one of the following 8 values. Setting the
-frequency to a value not on this list, will result in the next higher frequency
-being selected. The actual device frequency may vary slightly from this
-specification as designed by the manufacturer. Consult the datasheet for more
-details. (PWM Frequency values:  100, 150, 230, 300, 380, 470, 620, 940)
-
 * pwm#_auto_pwm_minctl - this flags selects for temp#_auto_temp_off temperature
                          the bahaviour of fans. Write 1 to let fans spinning at
 			 pwm#_auto_pwm_min or write 0 to let them off.
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 3594a02f281..6b676df3547 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -191,8 +191,8 @@ static int RANGE_TO_REG(int range)
 #define RANGE_FROM_REG(val)	lm85_range_map[(val) & 0x0f]
 
 /* These are the PWM frequency encodings */
-static const int lm85_freq_map[] = { /* .1 Hz */
-	100, 150, 230, 300, 380, 470, 620, 940
+static const int lm85_freq_map[8] = { /* 1 Hz */
+	10, 15, 23, 30, 38, 47, 62, 94
 };
 
 static int FREQ_TO_REG(int freq)
@@ -275,7 +275,6 @@ struct lm85_zone {
 
 struct lm85_autofan {
 	u8 config;	/* Register value */
-	u8 freq;	/* PWM frequency, encoded */
 	u8 min_pwm;	/* Minimum PWM value, encoded */
 	u8 min_off;	/* Min PWM or OFF below "limit", flag */
 };
@@ -301,6 +300,7 @@ struct lm85_data {
 	u16 fan[4];		/* Register value */
 	u16 fan_min[4];		/* Register value */
 	u8 pwm[3];		/* Register value */
+	u8 pwm_freq[3];		/* Register encoding */
 	u8 temp_ext[3];		/* Decoded values */
 	u8 in_ext[8];		/* Decoded values */
 	u8 vid;			/* Register value */
@@ -528,11 +528,38 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
 	return count;
 }
 
+static ssize_t show_pwm_freq(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	int nr = to_sensor_dev_attr(attr)->index;
+	struct lm85_data *data = lm85_update_device(dev);
+	return sprintf(buf, "%d\n", FREQ_FROM_REG(data->pwm_freq[nr]));
+}
+
+static ssize_t set_pwm_freq(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	int nr = to_sensor_dev_attr(attr)->index;
+	struct i2c_client *client = to_i2c_client(dev);
+	struct lm85_data *data = i2c_get_clientdata(client);
+	long val = simple_strtol(buf, NULL, 10);
+
+	mutex_lock(&data->update_lock);
+	data->pwm_freq[nr] = FREQ_TO_REG(val);
+	lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
+		(data->zone[nr].range << 4)
+		| data->pwm_freq[nr]);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
 #define show_pwm_reg(offset)						\
 static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,		\
 		show_pwm, set_pwm, offset - 1);				\
 static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR,	\
-		show_pwm_enable, set_pwm_enable, offset - 1)
+		show_pwm_enable, set_pwm_enable, offset - 1);		\
+static SENSOR_DEVICE_ATTR(pwm##offset##_freq, S_IRUGO | S_IWUSR,	\
+		show_pwm_freq, set_pwm_freq, offset - 1)
 
 show_pwm_reg(1);
 show_pwm_reg(2);
@@ -761,31 +788,6 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
 	return count;
 }
 
-static ssize_t show_pwm_auto_pwm_freq(struct device *dev,
-		struct device_attribute *attr, char *buf)
-{
-	int nr = to_sensor_dev_attr(attr)->index;
-	struct lm85_data *data = lm85_update_device(dev);
-	return sprintf(buf, "%d\n", FREQ_FROM_REG(data->autofan[nr].freq));
-}
-
-static ssize_t set_pwm_auto_pwm_freq(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	int nr = to_sensor_dev_attr(attr)->index;
-	struct i2c_client *client = to_i2c_client(dev);
-	struct lm85_data *data = i2c_get_clientdata(client);
-	long val = simple_strtol(buf, NULL, 10);
-
-	mutex_lock(&data->update_lock);
-	data->autofan[nr].freq = FREQ_TO_REG(val);
-	lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
-		(data->zone[nr].range << 4)
-		| data->autofan[nr].freq);
-	mutex_unlock(&data->update_lock);
-	return count;
-}
-
 #define pwm_auto(offset)						\
 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels,			\
 		S_IRUGO | S_IWUSR, show_pwm_auto_channels,		\
@@ -795,10 +797,7 @@ static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_min,			\
 		set_pwm_auto_pwm_min, offset - 1);			\
 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_minctl,		\
 		S_IRUGO | S_IWUSR, show_pwm_auto_pwm_minctl,		\
-		set_pwm_auto_pwm_minctl, offset - 1);			\
-static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_freq,			\
-		S_IRUGO | S_IWUSR, show_pwm_auto_pwm_freq,		\
-		set_pwm_auto_pwm_freq, offset - 1);
+		set_pwm_auto_pwm_minctl, offset - 1)
 
 pwm_auto(1);
 pwm_auto(2);
@@ -867,7 +866,7 @@ static ssize_t set_temp_auto_temp_min(struct device *dev,
 		TEMP_FROM_REG(data->zone[nr].limit));
 	lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
 		((data->zone[nr].range & 0x0f) << 4)
-		| (data->autofan[nr].freq & 0x07));
+		| (data->pwm_freq[nr] & 0x07));
 
 /* Update temp_auto_hyst and temp_auto_off */
 	data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG(
@@ -910,7 +909,7 @@ static ssize_t set_temp_auto_temp_max(struct device *dev,
 		val - min);
 	lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
 		((data->zone[nr].range & 0x0f) << 4)
-		| (data->autofan[nr].freq & 0x07));
+		| (data->pwm_freq[nr] & 0x07));
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -984,6 +983,9 @@ static struct attribute *lm85_attributes[] = {
 	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
 	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
 	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
+	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
+	&sensor_dev_attr_pwm2_freq.dev_attr.attr,
+	&sensor_dev_attr_pwm3_freq.dev_attr.attr,
 
 	&sensor_dev_attr_in0_input.dev_attr.attr,
 	&sensor_dev_attr_in1_input.dev_attr.attr,
@@ -1026,9 +1028,6 @@ static struct attribute *lm85_attributes[] = {
 	&sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr,
 	&sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr,
 	&sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr,
-	&sensor_dev_attr_pwm1_auto_pwm_freq.dev_attr.attr,
-	&sensor_dev_attr_pwm2_auto_pwm_freq.dev_attr.attr,
-	&sensor_dev_attr_pwm3_auto_pwm_freq.dev_attr.attr,
 
 	&sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr,
 	&sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr,
@@ -1458,7 +1457,7 @@ static struct lm85_data *lm85_update_device(struct device *dev)
 			data->autofan[i].config =
 			    lm85_read_value(client, LM85_REG_AFAN_CONFIG(i));
 			val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i));
-			data->autofan[i].freq = val & 0x07;
+			data->pwm_freq[i] = val & 0x07;
 			data->zone[i].range = val >> 4;
 			data->autofan[i].min_pwm =
 			    lm85_read_value(client, LM85_REG_AFAN_MINPWM(i));
-- 
GitLab


From 86010c982db2030aad2c31f178b208964f5f6806 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:13 +0200
Subject: [PATCH 0876/2224] hwmon: (lm85) Select the closest PWM frequency

The LM85 and compatible chips only support 8 arbitrary PWM frequencies.
The algorithm to pick one of them based on the user input is not
optimum. Improve it to always pick the closest supported frequency.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
---
 drivers/hwmon/lm85.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 6b676df3547..c323c2b8980 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -199,10 +199,9 @@ static int FREQ_TO_REG(int freq)
 {
 	int i;
 
-	if (freq >= lm85_freq_map[7])
-		return 7;
+	/* Find the closest match */
 	for (i = 0; i < 7; ++i)
-		if (freq <= lm85_freq_map[i])
+		if (freq <= (lm85_freq_map[i] + lm85_freq_map[i + 1]) / 2)
 			break;
 	return i;
 }
-- 
GitLab


From 8a0795d9b8ce2247f9b34da81f8a229702c90f2d Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:14 +0200
Subject: [PATCH 0877/2224] hwmon: (lm85) Support different PWM frequency
 tables

The Analog Devices and SMSC devices supported by the lm85 driver do
not have the same PWM frequency table as the National Semiconductor
devices. Add support for per-device frequency tables.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
---
 drivers/hwmon/lm85.c | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index c323c2b8980..3a84dc863df 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -5,6 +5,7 @@
     Copyright (c) 2002, 2003  Philip Pokorny <ppokorny@penguincomputing.com>
     Copyright (c) 2003        Margit Schubert-While <margitsw@t-online.de>
     Copyright (c) 2004        Justin Thiessen <jthiessen@penguincomputing.com>
+    Copyright (C) 2007, 2008  Jean Delvare <khali@linux-fr.org>
 
     Chip details at	      <http://www.national.com/ds/LM/LM85.pdf>
 
@@ -192,20 +193,27 @@ static int RANGE_TO_REG(int range)
 
 /* These are the PWM frequency encodings */
 static const int lm85_freq_map[8] = { /* 1 Hz */
-	10, 15, 23, 30, 38, 47, 62, 94
+	10, 15, 23, 30, 38, 47, 61, 94
+};
+static const int adm1027_freq_map[8] = { /* 1 Hz */
+	11, 15, 22, 29, 35, 44, 59, 88
 };
 
-static int FREQ_TO_REG(int freq)
+static int FREQ_TO_REG(const int *map, int freq)
 {
 	int i;
 
 	/* Find the closest match */
 	for (i = 0; i < 7; ++i)
-		if (freq <= (lm85_freq_map[i] + lm85_freq_map[i + 1]) / 2)
+		if (freq <= (map[i] + map[i + 1]) / 2)
 			break;
 	return i;
 }
-#define FREQ_FROM_REG(val)	lm85_freq_map[(val) & 0x07]
+
+static int FREQ_FROM_REG(const int *map, u8 reg)
+{
+	return map[reg & 0x07];
+}
 
 /* Since we can't use strings, I'm abusing these numbers
  *   to stand in for the following meanings:
@@ -283,6 +291,7 @@ struct lm85_autofan {
 struct lm85_data {
 	struct i2c_client client;
 	struct device *hwmon_dev;
+	const int *freq_map;
 	enum chips type;
 
 	struct mutex update_lock;
@@ -532,7 +541,8 @@ static ssize_t show_pwm_freq(struct device *dev,
 {
 	int nr = to_sensor_dev_attr(attr)->index;
 	struct lm85_data *data = lm85_update_device(dev);
-	return sprintf(buf, "%d\n", FREQ_FROM_REG(data->pwm_freq[nr]));
+	return sprintf(buf, "%d\n", FREQ_FROM_REG(data->freq_map,
+						  data->pwm_freq[nr]));
 }
 
 static ssize_t set_pwm_freq(struct device *dev,
@@ -544,7 +554,7 @@ static ssize_t set_pwm_freq(struct device *dev,
 	long val = simple_strtol(buf, NULL, 10);
 
 	mutex_lock(&data->update_lock);
-	data->pwm_freq[nr] = FREQ_TO_REG(val);
+	data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map, val);
 	lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
 		(data->zone[nr].range << 4)
 		| data->pwm_freq[nr]);
@@ -1184,24 +1194,31 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
 	switch (kind) {
 	case lm85b:
 		type_name = "lm85b";
+		data->freq_map = lm85_freq_map;
 		break;
 	case lm85c:
 		type_name = "lm85c";
+		data->freq_map = lm85_freq_map;
 		break;
 	case adm1027:
 		type_name = "adm1027";
+		data->freq_map = adm1027_freq_map;
 		break;
 	case adt7463:
 		type_name = "adt7463";
+		data->freq_map = adm1027_freq_map;
 		break;
 	case emc6d100:
 		type_name = "emc6d100";
+		data->freq_map = adm1027_freq_map;
 		break;
 	case emc6d102:
 		type_name = "emc6d102";
+		data->freq_map = adm1027_freq_map;
 		break;
 	default:
 		type_name = "lm85";
+		data->freq_map = lm85_freq_map;
 	}
 	strlcpy(client->name, type_name, I2C_NAME_SIZE);
 
-- 
GitLab


From 67712d01929295112b55fedd0b3c13f7d5c34f98 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:14 +0200
Subject: [PATCH 0878/2224] hwmon: (lm85) Convert to a new-style i2c driver

The new-style lm85 driver implements the optional detect() callback
to cover the use cases of the legacy driver.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
---
 drivers/hwmon/lm85.c | 121 +++++++++++++++++++++++--------------------
 1 file changed, 64 insertions(+), 57 deletions(-)

diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 3a84dc863df..4ee9388df98 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -289,7 +289,6 @@ struct lm85_autofan {
 /* For each registered chip, we need to keep some data in memory.
    The structure is dynamically allocated. */
 struct lm85_data {
-	struct i2c_client client;
 	struct device *hwmon_dev;
 	const int *freq_map;
 	enum chips type;
@@ -318,22 +317,40 @@ struct lm85_data {
 	struct lm85_zone zone[3];
 };
 
-static int lm85_attach_adapter(struct i2c_adapter *adapter);
-static int lm85_detect(struct i2c_adapter *adapter, int address,
-			int kind);
-static int lm85_detach_client(struct i2c_client *client);
+static int lm85_detect(struct i2c_client *client, int kind,
+		       struct i2c_board_info *info);
+static int lm85_probe(struct i2c_client *client,
+		      const struct i2c_device_id *id);
+static int lm85_remove(struct i2c_client *client);
 
 static int lm85_read_value(struct i2c_client *client, u8 reg);
 static void lm85_write_value(struct i2c_client *client, u8 reg, int value);
 static struct lm85_data *lm85_update_device(struct device *dev);
 
 
+static const struct i2c_device_id lm85_id[] = {
+	{ "adm1027", adm1027 },
+	{ "adt7463", adt7463 },
+	{ "lm85", any_chip },
+	{ "lm85b", lm85b },
+	{ "lm85c", lm85c },
+	{ "emc6d100", emc6d100 },
+	{ "emc6d101", emc6d100 },
+	{ "emc6d102", emc6d102 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, lm85_id);
+
 static struct i2c_driver lm85_driver = {
+	.class		= I2C_CLASS_HWMON,
 	.driver = {
 		.name   = "lm85",
 	},
-	.attach_adapter = lm85_attach_adapter,
-	.detach_client  = lm85_detach_client,
+	.probe		= lm85_probe,
+	.remove		= lm85_remove,
+	.id_table	= lm85_id,
+	.detect		= lm85_detect,
+	.address_data	= &addr_data,
 };
 
 
@@ -965,13 +982,6 @@ temp_auto(1);
 temp_auto(2);
 temp_auto(3);
 
-static int lm85_attach_adapter(struct i2c_adapter *adapter)
-{
-	if (!(adapter->class & I2C_CLASS_HWMON))
-		return 0;
-	return i2c_probe(adapter, &addr_data, lm85_detect);
-}
-
 static struct attribute *lm85_attributes[] = {
 	&sensor_dev_attr_fan1_input.dev_attr.attr,
 	&sensor_dev_attr_fan2_input.dev_attr.attr,
@@ -1111,30 +1121,19 @@ static void lm85_init_client(struct i2c_client *client)
 		dev_warn(&client->dev, "Device is not ready\n");
 }
 
-static int lm85_detect(struct i2c_adapter *adapter, int address,
-		int kind)
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int lm85_detect(struct i2c_client *client, int kind,
+		       struct i2c_board_info *info)
 {
-	struct i2c_client *client;
-	struct lm85_data *data;
-	int err = 0;
+	struct i2c_adapter *adapter = client->adapter;
+	int address = client->addr;
 	const char *type_name;
 
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
 		/* We need to be able to do byte I/O */
-		goto ERROR0;
+		return -ENODEV;
 	}
 
-	if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto ERROR0;
-	}
-
-	client = &data->client;
-	i2c_set_clientdata(client, data);
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &lm85_driver;
-
 	/* If auto-detecting, determine the chip type */
 	if (kind < 0) {
 		int company = lm85_read_value(client, LM85_REG_COMPANY);
@@ -1148,7 +1147,7 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
 		if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC) {
 			dev_dbg(&adapter->dev, "Autodetection failed: "
 				"unsupported version\n");
-			goto ERROR1;
+			return -ENODEV;
 		}
 		kind = any_chip;
 
@@ -1186,50 +1185,62 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
 		} else {
 			dev_dbg(&adapter->dev, "Autodetection failed: "
 				"unknown vendor\n");
-			goto ERROR1;
+			return -ENODEV;
 		}
 	}
 
-	/* Fill in the chip specific driver values */
 	switch (kind) {
 	case lm85b:
 		type_name = "lm85b";
-		data->freq_map = lm85_freq_map;
 		break;
 	case lm85c:
 		type_name = "lm85c";
-		data->freq_map = lm85_freq_map;
 		break;
 	case adm1027:
 		type_name = "adm1027";
-		data->freq_map = adm1027_freq_map;
 		break;
 	case adt7463:
 		type_name = "adt7463";
-		data->freq_map = adm1027_freq_map;
 		break;
 	case emc6d100:
 		type_name = "emc6d100";
-		data->freq_map = adm1027_freq_map;
 		break;
 	case emc6d102:
 		type_name = "emc6d102";
-		data->freq_map = adm1027_freq_map;
 		break;
 	default:
 		type_name = "lm85";
-		data->freq_map = lm85_freq_map;
 	}
-	strlcpy(client->name, type_name, I2C_NAME_SIZE);
+	strlcpy(info->type, type_name, I2C_NAME_SIZE);
+
+	return 0;
+}
 
-	/* Fill in the remaining client fields */
-	data->type = kind;
+static int lm85_probe(struct i2c_client *client,
+		      const struct i2c_device_id *id)
+{
+	struct lm85_data *data;
+	int err;
+
+	data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	i2c_set_clientdata(client, data);
+	data->type = id->driver_data;
 	mutex_init(&data->update_lock);
 
-	/* Tell the I2C layer a new client has arrived */
-	err = i2c_attach_client(client);
-	if (err)
-		goto ERROR1;
+	/* Fill in the chip specific driver values */
+	switch (data->type) {
+	case adm1027:
+	case adt7463:
+	case emc6d100:
+	case emc6d102:
+		data->freq_map = adm1027_freq_map;
+		break;
+	default:
+		data->freq_map = lm85_freq_map;
+	}
 
 	/* Set the VRM version */
 	data->vrm = vid_which_vrm();
@@ -1240,18 +1251,18 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
 	/* Register sysfs hooks */
 	err = sysfs_create_group(&client->dev.kobj, &lm85_group);
 	if (err)
-		goto ERROR2;
+		goto ERROR1;
 
 	/* The ADT7463 has an optional VRM 10 mode where pin 21 is used
 	   as a sixth digital VID input rather than an analog input. */
 	data->vid = lm85_read_value(client, LM85_REG_VID);
-	if (!(kind == adt7463 && (data->vid & 0x80)))
+	if (!(data->type == adt7463 && (data->vid & 0x80)))
 		if ((err = sysfs_create_group(&client->dev.kobj,
 					&lm85_group_in4)))
 			goto ERROR3;
 
 	/* The EMC6D100 has 3 additional voltage inputs */
-	if (kind == emc6d100)
+	if (data->type == emc6d100)
 		if ((err = sysfs_create_group(&client->dev.kobj,
 					&lm85_group_in567)))
 			goto ERROR3;
@@ -1268,17 +1279,14 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
  ERROR3:
 	sysfs_remove_group(&client->dev.kobj, &lm85_group);
 	sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
-	if (kind == emc6d100)
+	if (data->type == emc6d100)
 		sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
- ERROR2:
-	i2c_detach_client(client);
  ERROR1:
 	kfree(data);
- ERROR0:
 	return err;
 }
 
-static int lm85_detach_client(struct i2c_client *client)
+static int lm85_remove(struct i2c_client *client)
 {
 	struct lm85_data *data = i2c_get_clientdata(client);
 	hwmon_device_unregister(data->hwmon_dev);
@@ -1286,7 +1294,6 @@ static int lm85_detach_client(struct i2c_client *client)
 	sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
 	if (data->type == emc6d100)
 		sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
-	i2c_detach_client(client);
 	kfree(data);
 	return 0;
 }
-- 
GitLab


From 1b92adaddd7e96e1ba68d4f17a25747ab8057efe Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:14 +0200
Subject: [PATCH 0879/2224] hwmon: (lm85) Simplify RANGE_TO_REG

Function RANGE_TO_REG can easily be simplified. Credits go to Herbert
Poetzl for indirectly suggesting this to me. I tested that the new
implementation returns the same result as the original implementation
for all input values.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
---
 drivers/hwmon/lm85.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 4ee9388df98..94a10ecd24d 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -174,20 +174,13 @@ static int RANGE_TO_REG(int range)
 {
 	int i;
 
-	if (range >= lm85_range_map[15])
-		return 15;
-
 	/* Find the closest match */
-	for (i = 14; i >= 0; --i) {
-		if (range >= lm85_range_map[i]) {
-			if ((lm85_range_map[i + 1] - range) <
-					(range - lm85_range_map[i]))
-				return i + 1;
-			return i;
-		}
+	for (i = 0; i < 15; ++i) {
+		if (range <= (lm85_range_map[i] + lm85_range_map[i + 1]) / 2)
+			break;
 	}
 
-	return 0;
+	return i;
 }
 #define RANGE_FROM_REG(val)	lm85_range_map[(val) & 0x0f]
 
-- 
GitLab


From f908037a01e53a48ff8eb049bb4a1fbb15449908 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:14 +0200
Subject: [PATCH 0880/2224] hwmon: (lm85) Better label names

Label names ERROR1 and ERROR3 aren't exactly explicit. Change them for
better names that indicate what we are up to.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Herbert Poetzl <herbert@13thfloor.at>
---
 drivers/hwmon/lm85.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 94a10ecd24d..3ff0285396f 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1244,7 +1244,7 @@ static int lm85_probe(struct i2c_client *client,
 	/* Register sysfs hooks */
 	err = sysfs_create_group(&client->dev.kobj, &lm85_group);
 	if (err)
-		goto ERROR1;
+		goto err_kfree;
 
 	/* The ADT7463 has an optional VRM 10 mode where pin 21 is used
 	   as a sixth digital VID input rather than an analog input. */
@@ -1252,29 +1252,29 @@ static int lm85_probe(struct i2c_client *client,
 	if (!(data->type == adt7463 && (data->vid & 0x80)))
 		if ((err = sysfs_create_group(&client->dev.kobj,
 					&lm85_group_in4)))
-			goto ERROR3;
+			goto err_remove_files;
 
 	/* The EMC6D100 has 3 additional voltage inputs */
 	if (data->type == emc6d100)
 		if ((err = sysfs_create_group(&client->dev.kobj,
 					&lm85_group_in567)))
-			goto ERROR3;
+			goto err_remove_files;
 
 	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
 		err = PTR_ERR(data->hwmon_dev);
-		goto ERROR3;
+		goto err_remove_files;
 	}
 
 	return 0;
 
 	/* Error out and cleanup code */
- ERROR3:
+ err_remove_files:
 	sysfs_remove_group(&client->dev.kobj, &lm85_group);
 	sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
 	if (data->type == emc6d100)
 		sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
- ERROR1:
+ err_kfree:
 	kfree(data);
 	return err;
 }
-- 
GitLab


From 47c15532ddcd6818f51cb15f914d63864b3ee9ab Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:15 +0200
Subject: [PATCH 0881/2224] hwmon: (lm78) Fix I/O resource conflict with PNP

Only request I/O ports 0x295-0x296 instead of the full I/O address
range. This solves a conflict with PNP resources on a few motherboards.

Also request the I/O ports in two parts (4 low ports, 4 high ports)
during device detection, otherwise the PNP resource make the request
(and thus the detection) fail.

This is the exact same fix that was applied to driver w83781d in
March 2008 to address the same problem:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2961cb22ef02850d90e7a12c28a14d74e327df8d

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm78.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index ed7859f0e16..2c96d8a548f 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -655,7 +655,7 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
 
 	/* Reserve the ISA region */
 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
-	if (!request_region(res->start, LM78_EXTENT, "lm78")) {
+	if (!request_region(res->start + LM78_ADDR_REG_OFFSET, 2, "lm78")) {
 		err = -EBUSY;
 		goto exit;
 	}
@@ -699,7 +699,7 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
 	device_remove_file(&pdev->dev, &dev_attr_name);
 	kfree(data);
  exit_release_region:
-	release_region(res->start, LM78_EXTENT);
+	release_region(res->start + LM78_ADDR_REG_OFFSET, 2);
  exit:
 	return err;
 }
@@ -711,7 +711,7 @@ static int __devexit lm78_isa_remove(struct platform_device *pdev)
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&pdev->dev.kobj, &lm78_group);
 	device_remove_file(&pdev->dev, &dev_attr_name);
-	release_region(data->client.addr, LM78_EXTENT);
+	release_region(data->client.addr + LM78_ADDR_REG_OFFSET, 2);
 	kfree(data);
 
 	return 0;
@@ -837,8 +837,17 @@ static int __init lm78_isa_found(unsigned short address)
 {
 	int val, save, found = 0;
 
-	if (!request_region(address, LM78_EXTENT, "lm78"))
+	/* We have to request the region in two parts because some
+	   boards declare base+4 to base+7 as a PNP device */
+	if (!request_region(address, 4, "lm78")) {
+		pr_debug("lm78: Failed to request low part of region\n");
 		return 0;
+	}
+	if (!request_region(address + 4, 4, "lm78")) {
+		pr_debug("lm78: Failed to request high part of region\n");
+		release_region(address, 4);
+		return 0;
+	}
 
 #define REALLY_SLOW_IO
 	/* We need the timeouts for at least some LM78-like
@@ -901,7 +910,8 @@ static int __init lm78_isa_found(unsigned short address)
 			val & 0x80 ? "LM79" : "LM78", (int)address);
 
  release:
-	release_region(address, LM78_EXTENT);
+	release_region(address + 4, 4);
+	release_region(address, 4);
 	return found;
 }
 
-- 
GitLab


From 18c73f90421f9a87a0f6bc3a08880d0f1f9b2a74 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:15 +0200
Subject: [PATCH 0882/2224] hwmon: (lm78) Detect alias chips

The LM78 and LM79 can be accessed either on the I2C bus or the ISA
bus. We must not access the same chip through both interfaces. So far
we were relying on the user passing the correct ignore parameter to
skip the registration of the I2C interface as suggested by
sensors-detect, but this is fragile: the user may load the lm78
driver without running sensors-detect, and the i2c bus numbers are
not stable across reboots and hardware changes.

So, better detect alias chips in the driver directly, and skip any
I2C chip which is obviously an alias of the ISA chip. This is done
by comparing the value of 26 selected registers.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm78.c | 78 ++++++++++++++++++++++++++++++++++++--------
 1 file changed, 65 insertions(+), 13 deletions(-)

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 2c96d8a548f..ec601bbf91b 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -120,10 +120,7 @@ static inline int TEMP_FROM_REG(s8 val)
    LM78 chips available (well, actually, that is probably never done; but
    it is a clean illustration of how to handle a case like that). Finally,
    a specific chip may be attached to *both* ISA and SMBus, and we would
-   not like to detect it double. Fortunately, in the case of the LM78 at
-   least, a register tells us what SMBus address we are on, so that helps
-   a bit - except if there could be more than one SMBus. Groan. No solution
-   for this yet. */
+   not like to detect it double. */
 
 /* For ISA chips, we abuse the i2c_client addr and name fields. We also use
    the driver field to differentiate between I2C and ISA chips. */
@@ -457,12 +454,24 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 /* This function is called when:
      * lm78_driver is inserted (when this module is loaded), for each
        available adapter
-     * when a new adapter is inserted (and lm78_driver is still present) */
+     * when a new adapter is inserted (and lm78_driver is still present)
+   We block updates of the ISA device to minimize the risk of concurrent
+   access to the same LM78 chip through different interfaces. */
 static int lm78_attach_adapter(struct i2c_adapter *adapter)
 {
+	struct lm78_data *data;
+	int err;
+
 	if (!(adapter->class & I2C_CLASS_HWMON))
 		return 0;
-	return i2c_probe(adapter, &addr_data, lm78_detect);
+
+	data = pdev ? platform_get_drvdata(pdev) : NULL;
+	if (data)
+		mutex_lock(&data->update_lock);
+	err = i2c_probe(adapter, &addr_data, lm78_detect);
+	if (data)
+		mutex_unlock(&data->update_lock);
+	return err;
 }
 
 static struct attribute *lm78_attributes[] = {
@@ -531,6 +540,40 @@ static ssize_t show_name(struct device *dev, struct device_attribute
 }
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
+/* Returns 1 if the I2C chip appears to be an alias of the ISA chip */
+static int lm78_alias_detect(struct i2c_client *client, u8 chipid)
+{
+	struct lm78_data *i2c, *isa;
+	int i;
+
+	if (!pdev)	/* No ISA chip */
+		return 0;
+
+	i2c = i2c_get_clientdata(client);
+	isa = platform_get_drvdata(pdev);
+
+	if (lm78_read_value(isa, LM78_REG_I2C_ADDR) != client->addr)
+		return 0;	/* Address doesn't match */
+	if ((lm78_read_value(isa, LM78_REG_CHIPID) & 0xfe) != (chipid & 0xfe))
+		return 0;	/* Chip type doesn't match */
+
+	/* We compare all the limit registers, the config register and the
+	 * interrupt mask registers */
+	for (i = 0x2b; i <= 0x3d; i++) {
+		if (lm78_read_value(isa, i) != lm78_read_value(i2c, i))
+			return 0;
+	}
+	if (lm78_read_value(isa, LM78_REG_CONFIG) !=
+	    lm78_read_value(i2c, LM78_REG_CONFIG))
+		return 0;
+	for (i = 0x43; i <= 0x46; i++) {
+		if (lm78_read_value(isa, i) != lm78_read_value(i2c, i))
+			return 0;
+	}
+
+	return 1;
+}
+
 /* This function is called by i2c_probe */
 static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 {
@@ -589,6 +632,13 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 			err = -ENODEV;
 			goto ERROR2;
 		}
+
+		if (lm78_alias_detect(new_client, i)) {
+			dev_dbg(&adapter->dev, "Device at 0x%02x appears to "
+				"be the same as ISA device\n", address);
+			err = -ENODEV;
+			goto ERROR2;
+		}
 	}
 
 	if (kind == lm78) {
@@ -959,14 +1009,12 @@ static int __init sm_lm78_init(void)
 {
 	int res;
 
-	res = i2c_add_driver(&lm78_driver);
-	if (res)
-		goto exit;
-
+	/* We register the ISA device first, so that we can skip the
+	 * registration of an I2C interface to the same device. */
 	if (lm78_isa_found(isa_address)) {
 		res = platform_driver_register(&lm78_isa_driver);
 		if (res)
-			goto exit_unreg_i2c_driver;
+			goto exit;
 
 		/* Sets global pdev as a side effect */
 		res = lm78_isa_device_add(isa_address);
@@ -974,12 +1022,16 @@ static int __init sm_lm78_init(void)
 			goto exit_unreg_isa_driver;
 	}
 
+	res = i2c_add_driver(&lm78_driver);
+	if (res)
+		goto exit_unreg_isa_device;
+
 	return 0;
 
+ exit_unreg_isa_device:
+	platform_device_unregister(pdev);
  exit_unreg_isa_driver:
 	platform_driver_unregister(&lm78_isa_driver);
- exit_unreg_i2c_driver:
-	i2c_del_driver(&lm78_driver);
  exit:
 	return res;
 }
-- 
GitLab


From ad3273be8e2a5bfe16f4940beef3da308daf259a Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:15 +0200
Subject: [PATCH 0883/2224] hwmon: (lm78) Prevent misdetection of Winbond chips

The LM78 detection is relatively weak, and sometimes recent Winbond
chips can be misdetected as an LM78. We have had repeated reports of
this happening. We have an explicit check against this for the ISA
access, do the same for I2C access now.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm78.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index ec601bbf91b..f284ecbb9ca 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -613,6 +613,12 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 			err = -ENODEV;
 			goto ERROR2;
 		}
+		/* Explicitly prevent the misdetection of Winbond chips */
+		i = lm78_read_value(data, 0x4f);
+		if (i == 0xa3 || i == 0x5c) {
+			err = -ENODEV;
+			goto ERROR2;
+		}
 	}
 
 	/* Determine the chip type. */
-- 
GitLab


From 6e1b5029dc0e4cfa765309312ebdc88711e37a20 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:15 +0200
Subject: [PATCH 0884/2224] hwmon: (lm78) Stop abusing struct i2c_client for
 ISA devices

Upcoming changes to the I2C part of the lm78 driver will cause ISA
devices to no longer have a struct i2c_client at hand. So, we must
stop (ab)using it now.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm78.c | 38 ++++++++++++++++----------------------
 1 file changed, 16 insertions(+), 22 deletions(-)

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index f284ecbb9ca..177eaddde32 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -114,22 +114,16 @@ static inline int TEMP_FROM_REG(s8 val)
 
 #define DIV_FROM_REG(val) (1 << (val))
 
-/* There are some complications in a module like this. First off, LM78 chips
-   may be both present on the SMBus and the ISA bus, and we have to handle
-   those cases separately at some places. Second, there might be several
-   LM78 chips available (well, actually, that is probably never done; but
-   it is a clean illustration of how to handle a case like that). Finally,
-   a specific chip may be attached to *both* ISA and SMBus, and we would
-   not like to detect it double. */
-
-/* For ISA chips, we abuse the i2c_client addr and name fields. We also use
-   the driver field to differentiate between I2C and ISA chips. */
 struct lm78_data {
 	struct i2c_client client;
 	struct device *hwmon_dev;
 	struct mutex lock;
 	enum chips type;
 
+	/* For ISA device only */
+	const char *name;
+	int isa_addr;
+
 	struct mutex update_lock;
 	char valid;		/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
@@ -536,7 +530,7 @@ static ssize_t show_name(struct device *dev, struct device_attribute
 {
 	struct lm78_data *data = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", data->client.name);
+	return sprintf(buf, "%s\n", data->name);
 }
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
@@ -707,7 +701,6 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
 	int err;
 	struct lm78_data *data;
 	struct resource *res;
-	const char *name;
 
 	/* Reserve the ISA region */
 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
@@ -721,18 +714,16 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
 		goto exit_release_region;
 	}
 	mutex_init(&data->lock);
-	data->client.addr = res->start;
-	i2c_set_clientdata(&data->client, data);
+	data->isa_addr = res->start;
 	platform_set_drvdata(pdev, data);
 
 	if (lm78_read_value(data, LM78_REG_CHIPID) & 0x80) {
 		data->type = lm79;
-		name = "lm79";
+		data->name = "lm79";
 	} else {
 		data->type = lm78;
-		name = "lm78";
+		data->name = "lm78";
 	}
-	strlcpy(data->client.name, name, I2C_NAME_SIZE);
 
 	/* Initialize the LM78 chip */
 	lm78_init_device(data);
@@ -763,13 +754,16 @@ static int __devinit lm78_isa_probe(struct platform_device *pdev)
 static int __devexit lm78_isa_remove(struct platform_device *pdev)
 {
 	struct lm78_data *data = platform_get_drvdata(pdev);
+	struct resource *res;
 
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&pdev->dev.kobj, &lm78_group);
 	device_remove_file(&pdev->dev, &dev_attr_name);
-	release_region(data->client.addr + LM78_ADDR_REG_OFFSET, 2);
 	kfree(data);
 
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	release_region(res->start + LM78_ADDR_REG_OFFSET, 2);
+
 	return 0;
 }
 
@@ -785,8 +779,8 @@ static int lm78_read_value(struct lm78_data *data, u8 reg)
 	if (!client->driver) { /* ISA device */
 		int res;
 		mutex_lock(&data->lock);
-		outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
-		res = inb_p(client->addr + LM78_DATA_REG_OFFSET);
+		outb_p(reg, data->isa_addr + LM78_ADDR_REG_OFFSET);
+		res = inb_p(data->isa_addr + LM78_DATA_REG_OFFSET);
 		mutex_unlock(&data->lock);
 		return res;
 	} else
@@ -806,8 +800,8 @@ static int lm78_write_value(struct lm78_data *data, u8 reg, u8 value)
 
 	if (!client->driver) { /* ISA device */
 		mutex_lock(&data->lock);
-		outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
-		outb_p(value, client->addr + LM78_DATA_REG_OFFSET);
+		outb_p(reg, data->isa_addr + LM78_ADDR_REG_OFFSET);
+		outb_p(value, data->isa_addr + LM78_DATA_REG_OFFSET);
 		mutex_unlock(&data->lock);
 		return 0;
 	} else
-- 
GitLab


From 0c6e97317102a8f480bdfb418f19fe989ad1c047 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:16 +0200
Subject: [PATCH 0885/2224] hwmon: (lm78) Convert to a new-style i2c driver

The new-style lm78 driver implements the optional detect() callback
to cover the use cases of the legacy driver.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/lm78.c | 194 ++++++++++++++++++++-----------------------
 1 file changed, 89 insertions(+), 105 deletions(-)

diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index 177eaddde32..b5e3b285169 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -115,7 +115,7 @@ static inline int TEMP_FROM_REG(s8 val)
 #define DIV_FROM_REG(val) (1 << (val))
 
 struct lm78_data {
-	struct i2c_client client;
+	struct i2c_client *client;
 	struct device *hwmon_dev;
 	struct mutex lock;
 	enum chips type;
@@ -142,9 +142,11 @@ struct lm78_data {
 };
 
 
-static int lm78_attach_adapter(struct i2c_adapter *adapter);
-static int lm78_detect(struct i2c_adapter *adapter, int address, int kind);
-static int lm78_detach_client(struct i2c_client *client);
+static int lm78_i2c_detect(struct i2c_client *client, int kind,
+			   struct i2c_board_info *info);
+static int lm78_i2c_probe(struct i2c_client *client,
+			  const struct i2c_device_id *id);
+static int lm78_i2c_remove(struct i2c_client *client);
 
 static int __devinit lm78_isa_probe(struct platform_device *pdev);
 static int __devexit lm78_isa_remove(struct platform_device *pdev);
@@ -155,12 +157,23 @@ static struct lm78_data *lm78_update_device(struct device *dev);
 static void lm78_init_device(struct lm78_data *data);
 
 
+static const struct i2c_device_id lm78_i2c_id[] = {
+	{ "lm78", lm78 },
+	{ "lm79", lm79 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, lm78_i2c_id);
+
 static struct i2c_driver lm78_driver = {
+	.class		= I2C_CLASS_HWMON,
 	.driver = {
 		.name	= "lm78",
 	},
-	.attach_adapter	= lm78_attach_adapter,
-	.detach_client	= lm78_detach_client,
+	.probe		= lm78_i2c_probe,
+	.remove		= lm78_i2c_remove,
+	.id_table	= lm78_i2c_id,
+	.detect		= lm78_i2c_detect,
+	.address_data	= &addr_data,
 };
 
 static struct platform_driver lm78_isa_driver = {
@@ -445,29 +458,6 @@ static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
 
-/* This function is called when:
-     * lm78_driver is inserted (when this module is loaded), for each
-       available adapter
-     * when a new adapter is inserted (and lm78_driver is still present)
-   We block updates of the ISA device to minimize the risk of concurrent
-   access to the same LM78 chip through different interfaces. */
-static int lm78_attach_adapter(struct i2c_adapter *adapter)
-{
-	struct lm78_data *data;
-	int err;
-
-	if (!(adapter->class & I2C_CLASS_HWMON))
-		return 0;
-
-	data = pdev ? platform_get_drvdata(pdev) : NULL;
-	if (data)
-		mutex_lock(&data->update_lock);
-	err = i2c_probe(adapter, &addr_data, lm78_detect);
-	if (data)
-		mutex_unlock(&data->update_lock);
-	return err;
-}
-
 static struct attribute *lm78_attributes[] = {
 	&sensor_dev_attr_in0_input.dev_attr.attr,
 	&sensor_dev_attr_in0_min.dev_attr.attr,
@@ -537,13 +527,11 @@ static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 /* Returns 1 if the I2C chip appears to be an alias of the ISA chip */
 static int lm78_alias_detect(struct i2c_client *client, u8 chipid)
 {
-	struct lm78_data *i2c, *isa;
+	struct lm78_data *isa;
 	int i;
 
 	if (!pdev)	/* No ISA chip */
 		return 0;
-
-	i2c = i2c_get_clientdata(client);
 	isa = platform_get_drvdata(pdev);
 
 	if (lm78_read_value(isa, LM78_REG_I2C_ADDR) != client->addr)
@@ -554,70 +542,55 @@ static int lm78_alias_detect(struct i2c_client *client, u8 chipid)
 	/* We compare all the limit registers, the config register and the
 	 * interrupt mask registers */
 	for (i = 0x2b; i <= 0x3d; i++) {
-		if (lm78_read_value(isa, i) != lm78_read_value(i2c, i))
+		if (lm78_read_value(isa, i) !=
+		    i2c_smbus_read_byte_data(client, i))
 			return 0;
 	}
 	if (lm78_read_value(isa, LM78_REG_CONFIG) !=
-	    lm78_read_value(i2c, LM78_REG_CONFIG))
+	    i2c_smbus_read_byte_data(client, LM78_REG_CONFIG))
 		return 0;
 	for (i = 0x43; i <= 0x46; i++) {
-		if (lm78_read_value(isa, i) != lm78_read_value(i2c, i))
+		if (lm78_read_value(isa, i) !=
+		    i2c_smbus_read_byte_data(client, i))
 			return 0;
 	}
 
 	return 1;
 }
 
-/* This function is called by i2c_probe */
-static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
+static int lm78_i2c_detect(struct i2c_client *client, int kind,
+			   struct i2c_board_info *info)
 {
-	int i, err;
-	struct i2c_client *new_client;
-	struct lm78_data *data;
-	const char *client_name = "";
-
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
-		err = -ENODEV;
-		goto ERROR1;
-	}
-
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet.
-	   But it allows us to access lm78_{read,write}_value. */
+	int i;
+	struct lm78_data *isa = pdev ? platform_get_drvdata(pdev) : NULL;
+	const char *client_name;
+	struct i2c_adapter *adapter = client->adapter;
+	int address = client->addr;
 
-	if (!(data = kzalloc(sizeof(struct lm78_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto ERROR1;
-	}
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	new_client = &data->client;
-	i2c_set_clientdata(new_client, data);
-	new_client->addr = address;
-	new_client->adapter = adapter;
-	new_client->driver = &lm78_driver;
+	/* We block updates of the ISA device to minimize the risk of
+	   concurrent access to the same LM78 chip through different
+	   interfaces. */
+	if (isa)
+		mutex_lock(&isa->update_lock);
 
-	/* Now, we do the remaining detection. */
 	if (kind < 0) {
-		if (lm78_read_value(data, LM78_REG_CONFIG) & 0x80) {
-			err = -ENODEV;
-			goto ERROR2;
-		}
-		if (lm78_read_value(data, LM78_REG_I2C_ADDR) !=
-		    address) {
-			err = -ENODEV;
-			goto ERROR2;
-		}
+		if ((i2c_smbus_read_byte_data(client, LM78_REG_CONFIG) & 0x80)
+		 || i2c_smbus_read_byte_data(client, LM78_REG_I2C_ADDR)
+		    != address)
+			goto err_nodev;
+
 		/* Explicitly prevent the misdetection of Winbond chips */
-		i = lm78_read_value(data, 0x4f);
-		if (i == 0xa3 || i == 0x5c) {
-			err = -ENODEV;
-			goto ERROR2;
-		}
+		i = i2c_smbus_read_byte_data(client, 0x4f);
+		if (i == 0xa3 || i == 0x5c)
+			goto err_nodev;
 	}
 
 	/* Determine the chip type. */
 	if (kind <= 0) {
-		i = lm78_read_value(data, LM78_REG_CHIPID);
+		i = i2c_smbus_read_byte_data(client, LM78_REG_CHIPID);
 		if (i == 0x00 || i == 0x20	/* LM78 */
 		 || i == 0x40)			/* LM78-J */
 			kind = lm78;
@@ -629,40 +602,59 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 					"parameter for unknown chip at "
 					"adapter %d, address 0x%02x\n",
 					i2c_adapter_id(adapter), address);
-			err = -ENODEV;
-			goto ERROR2;
+			goto err_nodev;
 		}
 
-		if (lm78_alias_detect(new_client, i)) {
+		if (lm78_alias_detect(client, i)) {
 			dev_dbg(&adapter->dev, "Device at 0x%02x appears to "
 				"be the same as ISA device\n", address);
-			err = -ENODEV;
-			goto ERROR2;
+			goto err_nodev;
 		}
 	}
 
-	if (kind == lm78) {
-		client_name = "lm78";
-	} else if (kind == lm79) {
+	if (isa)
+		mutex_unlock(&isa->update_lock);
+
+	switch (kind) {
+	case lm79:
 		client_name = "lm79";
+		break;
+	default:
+		client_name = "lm78";
 	}
+	strlcpy(info->type, client_name, I2C_NAME_SIZE);
 
-	/* Fill in the remaining client fields and put into the global list */
-	strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
-	data->type = kind;
+	return 0;
 
-	/* Tell the I2C layer a new client has arrived */
-	if ((err = i2c_attach_client(new_client)))
-		goto ERROR2;
+ err_nodev:
+	if (isa)
+		mutex_unlock(&isa->update_lock);
+	return -ENODEV;
+}
+
+static int lm78_i2c_probe(struct i2c_client *client,
+			  const struct i2c_device_id *id)
+{
+	struct lm78_data *data;
+	int err;
+
+	data = kzalloc(sizeof(struct lm78_data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	i2c_set_clientdata(client, data);
+	data->client = client;
+	data->type = id->driver_data;
 
 	/* Initialize the LM78 chip */
 	lm78_init_device(data);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&new_client->dev.kobj, &lm78_group)))
+	err = sysfs_create_group(&client->dev.kobj, &lm78_group);
+	if (err)
 		goto ERROR3;
 
-	data->hwmon_dev = hwmon_device_register(&new_client->dev);
+	data->hwmon_dev = hwmon_device_register(&client->dev);
 	if (IS_ERR(data->hwmon_dev)) {
 		err = PTR_ERR(data->hwmon_dev);
 		goto ERROR4;
@@ -671,26 +663,18 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
 	return 0;
 
 ERROR4:
-	sysfs_remove_group(&new_client->dev.kobj, &lm78_group);
+	sysfs_remove_group(&client->dev.kobj, &lm78_group);
 ERROR3:
-	i2c_detach_client(new_client);
-ERROR2:
 	kfree(data);
-ERROR1:
 	return err;
 }
 
-static int lm78_detach_client(struct i2c_client *client)
+static int lm78_i2c_remove(struct i2c_client *client)
 {
 	struct lm78_data *data = i2c_get_clientdata(client);
-	int err;
 
 	hwmon_device_unregister(data->hwmon_dev);
 	sysfs_remove_group(&client->dev.kobj, &lm78_group);
-
-	if ((err = i2c_detach_client(client)))
-		return err;
-
 	kfree(data);
 
 	return 0;
@@ -774,9 +758,9 @@ static int __devexit lm78_isa_remove(struct platform_device *pdev)
    would slow down the LM78 access and should not be necessary.  */
 static int lm78_read_value(struct lm78_data *data, u8 reg)
 {
-	struct i2c_client *client = &data->client;
+	struct i2c_client *client = data->client;
 
-	if (!client->driver) { /* ISA device */
+	if (!client) { /* ISA device */
 		int res;
 		mutex_lock(&data->lock);
 		outb_p(reg, data->isa_addr + LM78_ADDR_REG_OFFSET);
@@ -796,9 +780,9 @@ static int lm78_read_value(struct lm78_data *data, u8 reg)
    nowhere else be necessary! */
 static int lm78_write_value(struct lm78_data *data, u8 reg, u8 value)
 {
-	struct i2c_client *client = &data->client;
+	struct i2c_client *client = data->client;
 
-	if (!client->driver) { /* ISA device */
+	if (!client) { /* ISA device */
 		mutex_lock(&data->lock);
 		outb_p(reg, data->isa_addr + LM78_ADDR_REG_OFFSET);
 		outb_p(value, data->isa_addr + LM78_DATA_REG_OFFSET);
-- 
GitLab


From 4ed1077953f531b3fef4af4b4ade48a828c48869 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:16 +0200
Subject: [PATCH 0886/2224] hwmon: (it87) Fix thermal sensor type values

The it87 driver doesn't follow the standard sensor type values as
documented in Documentation/hwmon/sysfs-interface. It uses value 2 for
thermistors instead of value 4. This causes "sensors" to tell the user
that the chip is setup for a transistor while it is actually setup for
a thermistor.

Using value 4 for thermistors solves the problem. For compatibility
reasons, we still accept value 2 but emit a warning message so that
users update their configuration files.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
---
 Documentation/hwmon/it87 |  4 ++--
 drivers/hwmon/it87.c     | 11 ++++++++---
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index 3496b7020e7..042c0415140 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -136,10 +136,10 @@ once-only alarms.
 The IT87xx only updates its values each 1.5 seconds; reading it more often
 will do no harm, but will return 'old' values.
 
-To change sensor N to a thermistor, 'echo 2 > tempN_type' where N is 1, 2,
+To change sensor N to a thermistor, 'echo 4 > tempN_type' where N is 1, 2,
 or 3. To change sensor N to a thermal diode, 'echo 3 > tempN_type'.
 Give 0 for unused sensor. Any other value is invalid. To configure this at
-startup, consult lm_sensors's /etc/sensors.conf. (2 = thermistor;
+startup, consult lm_sensors's /etc/sensors.conf. (4 = thermistor;
 3 = thermal diode)
 
 
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index d793cc01199..b74c95735f9 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -477,7 +477,7 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *attr,
 	if (reg & (1 << nr))
 		return sprintf(buf, "3\n");  /* thermal diode */
 	if (reg & (8 << nr))
-		return sprintf(buf, "2\n");  /* thermistor */
+		return sprintf(buf, "4\n");  /* thermistor */
 	return sprintf(buf, "0\n");      /* disabled */
 }
 static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
@@ -493,10 +493,15 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
 
 	data->sensor &= ~(1 << nr);
 	data->sensor &= ~(8 << nr);
-	/* 3 = thermal diode; 2 = thermistor; 0 = disabled */
+	if (val == 2) {	/* backwards compatibility */
+		dev_warn(dev, "Sensor type 2 is deprecated, please use 4 "
+			 "instead\n");
+		val = 4;
+	}
+	/* 3 = thermal diode; 4 = thermistor; 0 = disabled */
 	if (val == 3)
 	    data->sensor |= 1 << nr;
-	else if (val == 2)
+	else if (val == 4)
 	    data->sensor |= 8 << nr;
 	else if (val != 0) {
 		mutex_unlock(&data->update_lock);
-- 
GitLab


From a80e8ee66793ec2e7ce27fd0495a7b9c8e0a2a24 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Fri, 17 Oct 2008 17:51:16 +0200
Subject: [PATCH 0887/2224] hwmon: (max1619) Use inline functions instead of
 macros

Macros evaluating their arguments more than once are evil.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/max1619.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 1ab1cacad59..7897754f3a5 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -69,11 +69,18 @@ I2C_CLIENT_INSMOD_1(max1619);
 #define MAX1619_REG_W_TCRIT_HYST	0x13
 
 /*
- * Conversions and various macros
+ * Conversions
  */
 
-#define TEMP_FROM_REG(val)	((val & 0x80 ? val-0x100 : val) * 1000)
-#define TEMP_TO_REG(val)	((val < 0 ? val+0x100*1000 : val) / 1000)
+static int temp_from_reg(int val)
+{
+	return (val & 0x80 ? val-0x100 : val) * 1000;
+}
+
+static int temp_to_reg(int val)
+{
+	return (val < 0 ? val+0x100*1000 : val) / 1000;
+}
 
 /*
  * Functions declaration
@@ -135,7 +142,7 @@ struct max1619_data {
 static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
 { \
 	struct max1619_data *data = max1619_update_device(dev); \
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
+	return sprintf(buf, "%d\n", temp_from_reg(data->value)); \
 }
 show_temp(temp_input1);
 show_temp(temp_input2);
@@ -153,7 +160,7 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
 	long val = simple_strtol(buf, NULL, 10); \
  \
 	mutex_lock(&data->update_lock); \
-	data->value = TEMP_TO_REG(val); \
+	data->value = temp_to_reg(val); \
 	i2c_smbus_write_byte_data(client, reg, data->value); \
 	mutex_unlock(&data->update_lock); \
 	return count; \
-- 
GitLab


From 6e1ecd9b8f1358ed4d099f0c54434240dc40debe Mon Sep 17 00:00:00 2001
From: Marc Hulsman <m.hulsman@tudelft.nl>
Date: Fri, 17 Oct 2008 17:51:16 +0200
Subject: [PATCH 0888/2224] hwmon: (w83791d) fan 4/5 pins can also be used for
 gpio

Pins fan/pwm 4-5 can be in use as GPIO. If that is the case, do not
create their sysfs-interface.

Signed-off-by: Marc Hulsman <m.hulsman@tudelft.nl>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/w83791d.c | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index de21142d106..6b1cec9950f 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -160,6 +160,7 @@ static const u8 W83791D_REG_BEEP_CTRL[3] = {
 	0xA3,			/* BEEP Control Register 3 */
 };
 
+#define W83791D_REG_GPIO		0x15
 #define W83791D_REG_CONFIG		0x40
 #define W83791D_REG_VID_FANDIV		0x47
 #define W83791D_REG_DID_VID4		0x49
@@ -908,8 +909,6 @@ static struct attribute *w83791d_attributes[] = {
 	FAN_UNIT_ATTRS(0),
 	FAN_UNIT_ATTRS(1),
 	FAN_UNIT_ATTRS(2),
-	FAN_UNIT_ATTRS(3),
-	FAN_UNIT_ATTRS(4),
 	TEMP_UNIT_ATTRS(0),
 	TEMP_UNIT_ATTRS(1),
 	TEMP_UNIT_ATTRS(2),
@@ -925,6 +924,18 @@ static const struct attribute_group w83791d_group = {
 	.attrs = w83791d_attributes,
 };
 
+/* Separate group of attributes for fan/pwm 4-5. Their pins can also be
+   in use for GPIO in which case their sysfs-interface should not be made
+   available */
+static struct attribute *w83791d_attributes_fanpwm45[] = {
+	FAN_UNIT_ATTRS(3),
+	FAN_UNIT_ATTRS(4),
+	NULL
+};
+
+static const struct attribute_group w83791d_group_fanpwm45 = {
+	.attrs = w83791d_attributes_fanpwm45,
+};
 
 static int w83791d_detect_subclients(struct i2c_client *client)
 {
@@ -1056,6 +1067,7 @@ static int w83791d_probe(struct i2c_client *client,
 	struct w83791d_data *data;
 	struct device *dev = &client->dev;
 	int i, err;
+	u8 has_fanpwm45;
 
 #ifdef DEBUG
 	int val1;
@@ -1090,15 +1102,27 @@ static int w83791d_probe(struct i2c_client *client,
 	if ((err = sysfs_create_group(&client->dev.kobj, &w83791d_group)))
 		goto error3;
 
+	/* Check if pins of fan/pwm 4-5 are in use as GPIO */
+	has_fanpwm45 = w83791d_read(client, W83791D_REG_GPIO) & 0x10;
+	if (has_fanpwm45) {
+		err = sysfs_create_group(&client->dev.kobj,
+					 &w83791d_group_fanpwm45);
+		if (err)
+			goto error4;
+	}
+
 	/* Everything is ready, now register the working device */
 	data->hwmon_dev = hwmon_device_register(dev);
 	if (IS_ERR(data->hwmon_dev)) {
 		err = PTR_ERR(data->hwmon_dev);
-		goto error4;
+		goto error5;
 	}
 
 	return 0;
 
+error5:
+	if (has_fanpwm45)
+		sysfs_remove_group(&client->dev.kobj, &w83791d_group_fanpwm45);
 error4:
 	sysfs_remove_group(&client->dev.kobj, &w83791d_group);
 error3:
-- 
GitLab


From 6495ce184033d5e70dfdf5bb8d149e9e02feaaa9 Mon Sep 17 00:00:00 2001
From: Marc Hulsman <m.hulsman@tudelft.nl>
Date: Fri, 17 Oct 2008 17:51:17 +0200
Subject: [PATCH 0889/2224] hwmon: (w83791d) add manual PWM support

Add PWM manual control.

Signed-off-by: Marc Hulsman <m.hulsman@tudelft.nl>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/w83791d | 15 +++++----
 drivers/hwmon/w83791d.c     | 67 ++++++++++++++++++++++++++++++++++++-
 2 files changed, 75 insertions(+), 7 deletions(-)

diff --git a/Documentation/hwmon/w83791d b/Documentation/hwmon/w83791d
index a67d3b7a709..49c0e94a118 100644
--- a/Documentation/hwmon/w83791d
+++ b/Documentation/hwmon/w83791d
@@ -58,29 +58,32 @@ internal state that allows no clean access (Bank with ID register is not
 currently selected). If you know the address of the chip, use a 'force'
 parameter; this will put it into a more well-behaved state first.
 
-The driver implements three temperature sensors, five fan rotation speed
-sensors, and ten voltage sensors.
+The driver implements three temperature sensors, ten voltage sensors,
+five fan rotation speed sensors and manual PWM control of each fan.
 
 Temperatures are measured in degrees Celsius and measurement resolution is 1
 degC for temp1 and 0.5 degC for temp2 and temp3. An alarm is triggered when
 the temperature gets higher than the Overtemperature Shutdown value; it stays
 on until the temperature falls below the Hysteresis value.
 
+Voltage sensors (also known as IN sensors) report their values in millivolts.
+An alarm is triggered if the voltage has crossed a programmable minimum
+or maximum limit.
+
 Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
 triggered if the rotation speed has dropped below a programmable limit. Fan
 readings can be divided by a programmable divider (1, 2, 4, 8, 16,
 32, 64 or 128 for all fans) to give the readings more range or accuracy.
 
-Voltage sensors (also known as IN sensors) report their values in millivolts.
-An alarm is triggered if the voltage has crossed a programmable minimum
-or maximum limit.
+Each fan controlled is controlled by PWM. The PWM duty cycle can be read and
+set for each fan separately. Valid values range from 0 (stop) to 255 (full).
 
 The w83791d has a global bit used to enable beeping from the speaker when an
 alarm is triggered as well as a bitmask to enable or disable the beep for
 specific alarms. You need both the global beep enable bit and the
 corresponding beep bit to be on for a triggered alarm to sound a beep.
 
-The sysfs interface to the gloabal enable is via the sysfs beep_enable file.
+The sysfs interface to the global enable is via the sysfs beep_enable file.
 This file is used for both legacy and new code.
 
 The sysfs interface to the beep bitmask has migrated from the original legacy
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index 6b1cec9950f..a8ff4e12671 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -23,7 +23,7 @@
     Supports following chips:
 
     Chip	#vin	#fanin	#pwm	#temp	wchipid	vendid	i2c	ISA
-    w83791d	10	5	3	3	0x71	0x5ca3	yes	no
+    w83791d	10	5	5	3	0x71	0x5ca3	yes	no
 
     The w83791d chip appears to be part way between the 83781d and the
     83792d. Thus, this file is derived from both the w83792d.c and
@@ -45,6 +45,7 @@
 #define NUMBER_OF_VIN		10
 #define NUMBER_OF_FANIN		5
 #define NUMBER_OF_TEMPIN	3
+#define NUMBER_OF_PWM		5
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
@@ -116,6 +117,14 @@ static const u8 W83791D_REG_FAN_MIN[NUMBER_OF_FANIN] = {
 	0xBD,			/* FAN 5 Count Low Limit in DataSheet */
 };
 
+static const u8 W83791D_REG_PWM[NUMBER_OF_PWM] = {
+	0x81,			/* PWM 1 duty cycle register in DataSheet */
+	0x83,			/* PWM 2 duty cycle register in DataSheet */
+	0x94,			/* PWM 3 duty cycle register in DataSheet */
+	0xA0,			/* PWM 4 duty cycle register in DataSheet */
+	0xA1,			/* PWM 5 duty cycle register in DataSheet */
+};
+
 static const u8 W83791D_REG_FAN_CFG[2] = {
 	0x84,			/* FAN 1/2 configuration */
 	0x95,			/* FAN 3 configuration */
@@ -276,6 +285,9 @@ struct w83791d_data {
 				   two sensors with three values
 				   (cur, over, hyst)  */
 
+	/* PWMs */
+	u8 pwm[5];		/* pwm duty cycle */
+
 	/* Misc */
 	u32 alarms;		/* realtime status register encoding,combined */
 	u8 beep_enable;		/* Global beep enable */
@@ -653,6 +665,48 @@ static struct sensor_device_attribute sda_fan_alarm[] = {
 	SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 22),
 };
 
+/* read/write PWMs */
+static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
+				char *buf)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	int nr = sensor_attr->index;
+	struct w83791d_data *data = w83791d_update_device(dev);
+	return sprintf(buf, "%u\n", data->pwm[nr]);
+}
+
+static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct w83791d_data *data = i2c_get_clientdata(client);
+	int nr = sensor_attr->index;
+	unsigned long val;
+
+	if (strict_strtoul(buf, 10, &val))
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
+	w83791d_write(client, W83791D_REG_PWM[nr], data->pwm[nr]);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static struct sensor_device_attribute sda_pwm[] = {
+	SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO,
+			show_pwm, store_pwm, 0),
+	SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO,
+			show_pwm, store_pwm, 1),
+	SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO,
+			show_pwm, store_pwm, 2),
+	SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO,
+			show_pwm, store_pwm, 3),
+	SENSOR_ATTR(pwm5, S_IWUSR | S_IRUGO,
+			show_pwm, store_pwm, 4),
+};
+
 /* read/write the temperature1, includes measured value and limits */
 static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr,
 				char *buf)
@@ -917,6 +971,9 @@ static struct attribute *w83791d_attributes[] = {
 	&sda_beep_ctrl[1].dev_attr.attr,
 	&dev_attr_cpu0_vid.attr,
 	&dev_attr_vrm.attr,
+	&sda_pwm[0].dev_attr.attr,
+	&sda_pwm[1].dev_attr.attr,
+	&sda_pwm[2].dev_attr.attr,
 	NULL
 };
 
@@ -930,6 +987,8 @@ static const struct attribute_group w83791d_group = {
 static struct attribute *w83791d_attributes_fanpwm45[] = {
 	FAN_UNIT_ATTRS(3),
 	FAN_UNIT_ATTRS(4),
+	&sda_pwm[3].dev_attr.attr,
+	&sda_pwm[4].dev_attr.attr,
 	NULL
 };
 
@@ -1260,6 +1319,12 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
 		for (i = 0; i < 3; i++)
 			data->fan_div[i] |= (vbat_reg >> (3 + i)) & 0x04;
 
+		/* Update PWM duty cycle */
+		for (i = 0; i < NUMBER_OF_PWM; i++) {
+			data->pwm[i] =  w83791d_read(client,
+						W83791D_REG_PWM[i]);
+		}
+
 		/* Update the first temperature sensor */
 		for (i = 0; i < 3; i++) {
 			data->temp1[i] = w83791d_read(client,
-- 
GitLab


From b5938f8c4a530b2fad18f2293ffaf79ac9f5a148 Mon Sep 17 00:00:00 2001
From: Marc Hulsman <m.hulsman@tudelft.nl>
Date: Fri, 17 Oct 2008 17:51:17 +0200
Subject: [PATCH 0890/2224] hwmon: (w83791d) add pwm_enable support

Add support for pwm_enable.

Signed-off-by: Marc Hulsman <m.hulsman@tudelft.nl>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/w83791d | 13 +++++-
 drivers/hwmon/w83791d.c     | 79 +++++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+), 1 deletion(-)

diff --git a/Documentation/hwmon/w83791d b/Documentation/hwmon/w83791d
index 49c0e94a118..b1e4798764e 100644
--- a/Documentation/hwmon/w83791d
+++ b/Documentation/hwmon/w83791d
@@ -108,6 +108,17 @@ going forward.
 The driver reads the hardware chip values at most once every three seconds.
 User mode code requesting values more often will receive cached values.
 
+/sys files
+----------
+The sysfs-interface is documented in the 'sysfs-interface' file. Only
+chip-specific options are documented here.
+
+pwm[1-3]_enable -	this file controls mode of fan/temperature control for
+			fan 1-3. Fan/PWM 4-5 only support manual mode.
+		            * 1 Manual mode
+		            * 2 Thermal Cruise mode   (no further support)
+		            * 3 Fan Speed Cruise mode (no further support)
+
 Alarms bitmap vs. beep_mask bitmask
 ------------------------------------
 For legacy code using the alarms and beep_mask files:
@@ -138,4 +149,4 @@ global_enable:  alarms: -------- beep_mask: 0x800000 (modified via beep_enable)
 
 W83791D TODO:
 ---------------
-Provide a patch for smart-fan control (still need appropriate motherboard/fans)
+Provide a patch for Thermal Cruise registers.
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index a8ff4e12671..a4d2b02d9e0 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -287,6 +287,8 @@ struct w83791d_data {
 
 	/* PWMs */
 	u8 pwm[5];		/* pwm duty cycle */
+	u8 pwm_enable[3];	/* pwm enable status for fan 1-3
+					(fan 4-5 only support manual mode) */
 
 	/* Misc */
 	u32 alarms;		/* realtime status register encoding,combined */
@@ -707,6 +709,71 @@ static struct sensor_device_attribute sda_pwm[] = {
 			show_pwm, store_pwm, 4),
 };
 
+static ssize_t show_pwmenable(struct device *dev, struct device_attribute *attr,
+				char *buf)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	int nr = sensor_attr->index;
+	struct w83791d_data *data = w83791d_update_device(dev);
+	return sprintf(buf, "%u\n", data->pwm_enable[nr] + 1);
+}
+
+static ssize_t store_pwmenable(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct w83791d_data *data = i2c_get_clientdata(client);
+	int nr = sensor_attr->index;
+	unsigned long val;
+	u8 reg_cfg_tmp;
+	u8 reg_idx = 0;
+	u8 val_shift = 0;
+	u8 keep_mask = 0;
+
+	int ret = strict_strtoul(buf, 10, &val);
+
+	if (ret || val < 1 || val > 3)
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	data->pwm_enable[nr] = val - 1;
+	switch (nr) {
+	case 0:
+		reg_idx = 0;
+		val_shift = 2;
+		keep_mask = 0xf3;
+		break;
+	case 1:
+		reg_idx = 0;
+		val_shift = 4;
+		keep_mask = 0xcf;
+		break;
+	case 2:
+		reg_idx = 1;
+		val_shift = 2;
+		keep_mask = 0xf3;
+		break;
+	}
+
+	reg_cfg_tmp = w83791d_read(client, W83791D_REG_FAN_CFG[reg_idx]);
+	reg_cfg_tmp = (reg_cfg_tmp & keep_mask) |
+					data->pwm_enable[nr] << val_shift;
+
+	w83791d_write(client, W83791D_REG_FAN_CFG[reg_idx], reg_cfg_tmp);
+	mutex_unlock(&data->update_lock);
+
+	return count;
+}
+static struct sensor_device_attribute sda_pwmenable[] = {
+	SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
+			show_pwmenable, store_pwmenable, 0),
+	SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
+			show_pwmenable, store_pwmenable, 1),
+	SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO,
+			show_pwmenable, store_pwmenable, 2),
+};
+
 /* read/write the temperature1, includes measured value and limits */
 static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr,
 				char *buf)
@@ -974,6 +1041,9 @@ static struct attribute *w83791d_attributes[] = {
 	&sda_pwm[0].dev_attr.attr,
 	&sda_pwm[1].dev_attr.attr,
 	&sda_pwm[2].dev_attr.attr,
+	&sda_pwmenable[0].dev_attr.attr,
+	&sda_pwmenable[1].dev_attr.attr,
+	&sda_pwmenable[2].dev_attr.attr,
 	NULL
 };
 
@@ -1325,6 +1395,15 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
 						W83791D_REG_PWM[i]);
 		}
 
+		/* Update PWM enable status */
+		for (i = 0; i < 2; i++) {
+			reg_array_tmp[i] = w83791d_read(client,
+						W83791D_REG_FAN_CFG[i]);
+		}
+		data->pwm_enable[0] = (reg_array_tmp[0] >> 2) & 0x03;
+		data->pwm_enable[1] = (reg_array_tmp[0] >> 4) & 0x03;
+		data->pwm_enable[2] = (reg_array_tmp[1] >> 2) & 0x03;
+
 		/* Update the first temperature sensor */
 		for (i = 0; i < 3; i++) {
 			data->temp1[i] = w83791d_read(client,
-- 
GitLab


From a5a4598cd2e7cae456a7f2a100bf0e5c3c7811c7 Mon Sep 17 00:00:00 2001
From: Marc Hulsman <m.hulsman@tudelft.nl>
Date: Fri, 17 Oct 2008 17:51:17 +0200
Subject: [PATCH 0891/2224] hwmon: (w83791d) add support for thermal cruise
 mode

Add support to set target temperature and tolerance for thermal
cruise mode.

Signed-off-by: Marc Hulsman <m.hulsman@tudelft.nl>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/w83791d |  19 +++--
 drivers/hwmon/w83791d.c     | 148 ++++++++++++++++++++++++++++++++++++
 2 files changed, 162 insertions(+), 5 deletions(-)

diff --git a/Documentation/hwmon/w83791d b/Documentation/hwmon/w83791d
index b1e4798764e..5663e491655 100644
--- a/Documentation/hwmon/w83791d
+++ b/Documentation/hwmon/w83791d
@@ -77,6 +77,9 @@ readings can be divided by a programmable divider (1, 2, 4, 8, 16,
 
 Each fan controlled is controlled by PWM. The PWM duty cycle can be read and
 set for each fan separately. Valid values range from 0 (stop) to 255 (full).
+PWM 1-3 support Thermal Cruise mode, in which the PWMs are automatically
+regulated to keep respectively temp 1-3 at a certain target temperature.
+See below for the description of the sysfs-interface.
 
 The w83791d has a global bit used to enable beeping from the speaker when an
 alarm is triggered as well as a bitmask to enable or disable the beep for
@@ -116,9 +119,19 @@ chip-specific options are documented here.
 pwm[1-3]_enable -	this file controls mode of fan/temperature control for
 			fan 1-3. Fan/PWM 4-5 only support manual mode.
 		            * 1 Manual mode
-		            * 2 Thermal Cruise mode   (no further support)
+		            * 2 Thermal Cruise mode
 		            * 3 Fan Speed Cruise mode (no further support)
 
+temp[1-3]_target -	defines the target temperature for Thermal Cruise mode.
+			Unit: millidegree Celsius
+			RW
+
+temp[1-3]_tolerance -	temperature tolerance for Thermal Cruise mode.
+			Specifies an interval around the target temperature
+			in which the fan speed is not changed.
+			Unit: millidegree Celsius
+			RW
+
 Alarms bitmap vs. beep_mask bitmask
 ------------------------------------
 For legacy code using the alarms and beep_mask files:
@@ -146,7 +159,3 @@ tart2        :  alarms: 0x020000 beep_mask: 0x080000 <== mismatch
 tart3        :  alarms: 0x040000 beep_mask: 0x100000 <== mismatch
 case_open    :  alarms: 0x001000 beep_mask: 0x001000
 global_enable:  alarms: -------- beep_mask: 0x800000 (modified via beep_enable)
-
-W83791D TODO:
----------------
-Provide a patch for Thermal Cruise registers.
diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c
index a4d2b02d9e0..5768def8a4f 100644
--- a/drivers/hwmon/w83791d.c
+++ b/drivers/hwmon/w83791d.c
@@ -125,6 +125,17 @@ static const u8 W83791D_REG_PWM[NUMBER_OF_PWM] = {
 	0xA1,			/* PWM 5 duty cycle register in DataSheet */
 };
 
+static const u8 W83791D_REG_TEMP_TARGET[3] = {
+	0x85,			/* PWM 1 target temperature for temp 1 */
+	0x86,			/* PWM 2 target temperature for temp 2 */
+	0x96,			/* PWM 3 target temperature for temp 3 */
+};
+
+static const u8 W83791D_REG_TEMP_TOL[2] = {
+	0x87,			/* PWM 1/2 temperature tolerance */
+	0x97,			/* PWM 3 temperature tolerance */
+};
+
 static const u8 W83791D_REG_FAN_CFG[2] = {
 	0x84,			/* FAN 1/2 configuration */
 	0x95,			/* FAN 3 configuration */
@@ -234,6 +245,15 @@ static u8 fan_to_reg(long rpm, int div)
 				 (val) < 0 ? ((val) - 250) / 500 * 128 : \
 				 ((val) + 250) / 500 * 128)
 
+/* for thermal cruise target temp, 7-bits, LSB = 1 degree Celsius */
+#define TARGET_TEMP_TO_REG(val)		((val) < 0 ? 0 : \
+					(val) >= 127000 ? 127 : \
+					((val) + 500) / 1000)
+
+/* for thermal cruise temp tolerance, 4-bits, LSB = 1 degree Celsius */
+#define TOL_TEMP_TO_REG(val)		((val) < 0 ? 0 : \
+					(val) >= 15000 ? 15 : \
+					((val) + 500) / 1000)
 
 #define BEEP_MASK_TO_REG(val)		((val) & 0xffffff)
 #define BEEP_MASK_FROM_REG(val)		((val) & 0xffffff)
@@ -290,6 +310,9 @@ struct w83791d_data {
 	u8 pwm_enable[3];	/* pwm enable status for fan 1-3
 					(fan 4-5 only support manual mode) */
 
+	u8 temp_target[3];	/* pwm 1-3 target temperature */
+	u8 temp_tolerance[3];	/* pwm 1-3 temperature tolerance */
+
 	/* Misc */
 	u32 alarms;		/* realtime status register encoding,combined */
 	u8 beep_enable;		/* Global beep enable */
@@ -774,6 +797,110 @@ static struct sensor_device_attribute sda_pwmenable[] = {
 			show_pwmenable, store_pwmenable, 2),
 };
 
+/* For Smart Fan I / Thermal Cruise */
+static ssize_t show_temp_target(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	struct w83791d_data *data = w83791d_update_device(dev);
+	int nr = sensor_attr->index;
+	return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_target[nr]));
+}
+
+static ssize_t store_temp_target(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct w83791d_data *data = i2c_get_clientdata(client);
+	int nr = sensor_attr->index;
+	unsigned long val;
+	u8 target_mask;
+
+	if (strict_strtoul(buf, 10, &val))
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	data->temp_target[nr] = TARGET_TEMP_TO_REG(val);
+	target_mask = w83791d_read(client,
+				W83791D_REG_TEMP_TARGET[nr]) & 0x80;
+	w83791d_write(client, W83791D_REG_TEMP_TARGET[nr],
+				data->temp_target[nr] | target_mask);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static struct sensor_device_attribute sda_temp_target[] = {
+	SENSOR_ATTR(temp1_target, S_IWUSR | S_IRUGO,
+			show_temp_target, store_temp_target, 0),
+	SENSOR_ATTR(temp2_target, S_IWUSR | S_IRUGO,
+			show_temp_target, store_temp_target, 1),
+	SENSOR_ATTR(temp3_target, S_IWUSR | S_IRUGO,
+			show_temp_target, store_temp_target, 2),
+};
+
+static ssize_t show_temp_tolerance(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	struct w83791d_data *data = w83791d_update_device(dev);
+	int nr = sensor_attr->index;
+	return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp_tolerance[nr]));
+}
+
+static ssize_t store_temp_tolerance(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct w83791d_data *data = i2c_get_clientdata(client);
+	int nr = sensor_attr->index;
+	unsigned long val;
+	u8 target_mask;
+	u8 reg_idx = 0;
+	u8 val_shift = 0;
+	u8 keep_mask = 0;
+
+	if (strict_strtoul(buf, 10, &val))
+		return -EINVAL;
+
+	switch (nr) {
+	case 0:
+		reg_idx = 0;
+		val_shift = 0;
+		keep_mask = 0xf0;
+		break;
+	case 1:
+		reg_idx = 0;
+		val_shift = 4;
+		keep_mask = 0x0f;
+		break;
+	case 2:
+		reg_idx = 1;
+		val_shift = 0;
+		keep_mask = 0xf0;
+		break;
+	}
+
+	mutex_lock(&data->update_lock);
+	data->temp_tolerance[nr] = TOL_TEMP_TO_REG(val);
+	target_mask = w83791d_read(client,
+			W83791D_REG_TEMP_TOL[reg_idx]) & keep_mask;
+	w83791d_write(client, W83791D_REG_TEMP_TOL[reg_idx],
+			(data->temp_tolerance[nr] << val_shift) | target_mask);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static struct sensor_device_attribute sda_temp_tolerance[] = {
+	SENSOR_ATTR(temp1_tolerance, S_IWUSR | S_IRUGO,
+			show_temp_tolerance, store_temp_tolerance, 0),
+	SENSOR_ATTR(temp2_tolerance, S_IWUSR | S_IRUGO,
+			show_temp_tolerance, store_temp_tolerance, 1),
+	SENSOR_ATTR(temp3_tolerance, S_IWUSR | S_IRUGO,
+			show_temp_tolerance, store_temp_tolerance, 2),
+};
+
 /* read/write the temperature1, includes measured value and limits */
 static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr,
 				char *buf)
@@ -1044,6 +1171,12 @@ static struct attribute *w83791d_attributes[] = {
 	&sda_pwmenable[0].dev_attr.attr,
 	&sda_pwmenable[1].dev_attr.attr,
 	&sda_pwmenable[2].dev_attr.attr,
+	&sda_temp_target[0].dev_attr.attr,
+	&sda_temp_target[1].dev_attr.attr,
+	&sda_temp_target[2].dev_attr.attr,
+	&sda_temp_tolerance[0].dev_attr.attr,
+	&sda_temp_tolerance[1].dev_attr.attr,
+	&sda_temp_tolerance[2].dev_attr.attr,
 	NULL
 };
 
@@ -1404,6 +1537,21 @@ static struct w83791d_data *w83791d_update_device(struct device *dev)
 		data->pwm_enable[1] = (reg_array_tmp[0] >> 4) & 0x03;
 		data->pwm_enable[2] = (reg_array_tmp[1] >> 2) & 0x03;
 
+		/* Update PWM target temperature */
+		for (i = 0; i < 3; i++) {
+			data->temp_target[i] = w83791d_read(client,
+				W83791D_REG_TEMP_TARGET[i]) & 0x7f;
+		}
+
+		/* Update PWM temperature tolerance */
+		for (i = 0; i < 2; i++) {
+			reg_array_tmp[i] = w83791d_read(client,
+					W83791D_REG_TEMP_TOL[i]);
+		}
+		data->temp_tolerance[0] = reg_array_tmp[0] & 0x0f;
+		data->temp_tolerance[1] = (reg_array_tmp[0] >> 4) & 0x0f;
+		data->temp_tolerance[2] = reg_array_tmp[1] & 0x0f;
+
 		/* Update the first temperature sensor */
 		for (i = 0; i < 3; i++) {
 			data->temp1[i] = w83791d_read(client,
-- 
GitLab


From 6aa693b85257cd41fdb3554016b663519dbf9d14 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:17 +0200
Subject: [PATCH 0892/2224] hwmon: Drop dead links to old National
 Semiconductor chip datasheets

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/pc87360 | 7 +------
 Documentation/hwmon/pc87427 | 2 +-
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/Documentation/hwmon/pc87360 b/Documentation/hwmon/pc87360
index 89a8fcfa78d..cbac32b59c8 100644
--- a/Documentation/hwmon/pc87360
+++ b/Documentation/hwmon/pc87360
@@ -5,12 +5,7 @@ Supported chips:
   * National Semiconductor PC87360, PC87363, PC87364, PC87365 and PC87366
     Prefixes: 'pc87360', 'pc87363', 'pc87364', 'pc87365', 'pc87366'
     Addresses scanned: none, address read from Super I/O config space
-    Datasheets:
-        http://www.national.com/pf/PC/PC87360.html
-        http://www.national.com/pf/PC/PC87363.html
-        http://www.national.com/pf/PC/PC87364.html
-        http://www.national.com/pf/PC/PC87365.html
-        http://www.national.com/pf/PC/PC87366.html
+    Datasheets: No longer available
 
 Authors: Jean Delvare <khali@linux-fr.org>
 
diff --git a/Documentation/hwmon/pc87427 b/Documentation/hwmon/pc87427
index 9a0708f9f49..d1ebbe510f3 100644
--- a/Documentation/hwmon/pc87427
+++ b/Documentation/hwmon/pc87427
@@ -5,7 +5,7 @@ Supported chips:
   * National Semiconductor PC87427
     Prefix: 'pc87427'
     Addresses scanned: none, address read from Super I/O config space
-    Datasheet: http://www.winbond.com.tw/E-WINBONDHTM/partner/apc_007.html
+    Datasheet: No longer available
 
 Author: Jean Delvare <khali@linux-fr.org>
 
-- 
GitLab


From 2fbbbf148840332d614790ea00d9a7ecb38d648d Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:18 +0200
Subject: [PATCH 0893/2224] hwmon: (w83781d) Refactor beep enable handling

We can handle the beep enable bit as any other beep mask bit for
slightly smaller code.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
---
 drivers/hwmon/w83781d.c | 46 ++++++++---------------------------------
 1 file changed, 9 insertions(+), 37 deletions(-)

diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index f942ecdd47c..136bec3fd64 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -178,9 +178,9 @@ FAN_FROM_REG(u8 val, int div)
 #define TEMP_FROM_REG(val)		((val) * 1000)
 
 #define BEEP_MASK_FROM_REG(val,type)	((type) == as99127f ? \
-					 (val) ^ 0x7fff : (val))
+					 (~(val)) & 0x7fff : (val) & 0xff7fff)
 #define BEEP_MASK_TO_REG(val,type)	((type) == as99127f ? \
-					 (~(val)) & 0x7fff : (val) & 0xffffff)
+					 (~(val)) & 0x7fff : (val) & 0xff7fff)
 
 #define DIV_FROM_REG(val)		(1 << (val))
 
@@ -240,7 +240,6 @@ struct w83781d_data {
 	u8 vid;			/* Register encoding, combined */
 	u32 alarms;		/* Register encoding, combined */
 	u32 beep_mask;		/* Register encoding, combined */
-	u8 beep_enable;		/* Boolean */
 	u8 pwm[4];		/* Register value */
 	u8 pwm2_enable;		/* Boolean */
 	u16 sens[3];		/* 782D/783S only.
@@ -513,11 +512,6 @@ static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr
 	return sprintf(buf, "%ld\n",
 		       (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type));
 }
-static ssize_t show_beep_enable (struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct w83781d_data *data = w83781d_update_device(dev);
-	return sprintf(buf, "%ld\n", (long)data->beep_enable);
-}
 
 static ssize_t
 store_beep_mask(struct device *dev, struct device_attribute *attr,
@@ -529,12 +523,12 @@ store_beep_mask(struct device *dev, struct device_attribute *attr,
 	val = simple_strtoul(buf, NULL, 10);
 
 	mutex_lock(&data->update_lock);
-	data->beep_mask = BEEP_MASK_TO_REG(val, data->type);
+	data->beep_mask &= 0x8000; /* preserve beep enable */
+	data->beep_mask |= BEEP_MASK_TO_REG(val, data->type);
 	w83781d_write_value(data, W83781D_REG_BEEP_INTS1,
 			    data->beep_mask & 0xff);
 	w83781d_write_value(data, W83781D_REG_BEEP_INTS2,
-			    ((data->beep_mask >> 8) & 0x7f)
-			    | data->beep_enable << 7);
+			    (data->beep_mask >> 8) & 0xff);
 	if (data->type != w83781d && data->type != as99127f) {
 		w83781d_write_value(data, W83781D_REG_BEEP_INTS3,
 				    ((data->beep_mask) >> 16) & 0xff);
@@ -544,31 +538,8 @@ store_beep_mask(struct device *dev, struct device_attribute *attr,
 	return count;
 }
 
-static ssize_t
-store_beep_enable(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct w83781d_data *data = dev_get_drvdata(dev);
-	u32 val;
-
-	val = simple_strtoul(buf, NULL, 10);
-	if (val != 0 && val != 1)
-		return -EINVAL;
-
-	mutex_lock(&data->update_lock);
-	data->beep_enable = val;
-	val = w83781d_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f;
-	val |= data->beep_enable << 7;
-	w83781d_write_value(data, W83781D_REG_BEEP_INTS2, val);
-	mutex_unlock(&data->update_lock);
-
-	return count;
-}
-
 static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,
 		show_beep_mask, store_beep_mask);
-static DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
-		show_beep_enable, store_beep_enable);
 
 static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
 		char *buf)
@@ -663,6 +634,8 @@ static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR,
 			show_beep, store_beep, 5);
 static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO,
 			show_temp3_beep, store_beep, 13);
+static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,
+			show_beep, store_beep, 15);
 
 static ssize_t
 show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
@@ -1029,7 +1002,7 @@ static struct attribute* w83781d_attributes[] = {
 	&dev_attr_vrm.attr,
 	&dev_attr_alarms.attr,
 	&dev_attr_beep_mask.attr,
-	&dev_attr_beep_enable.attr,
+	&sensor_dev_attr_beep_enable.dev_attr.attr,
 	NULL
 };
 static const struct attribute_group w83781d_group = {
@@ -1775,8 +1748,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
 						W83781D_REG_ALARM2) << 8);
 		}
 		i = w83781d_read_value(data, W83781D_REG_BEEP_INTS2);
-		data->beep_enable = i >> 7;
-		data->beep_mask = ((i & 0x7f) << 8) +
+		data->beep_mask = (i << 8) +
 		    w83781d_read_value(data, W83781D_REG_BEEP_INTS1);
 		if ((data->type != w83781d) && (data->type != as99127f)) {
 			data->beep_mask |=
-- 
GitLab


From c6566206c6f9583b529d62f05fb67182978b959e Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:18 +0200
Subject: [PATCH 0894/2224] hwmon: (w83781d) Detect alias chips

The W83781D and W83782D can be accessed either on the I2C bus or the
ISA bus. We must not access the same chip through both interfaces. So
far we were relying on the user passing the correct ignore parameter
to skip the registration of the I2C interface as suggested by
sensors-detect, but this is fragile: the user may load the w83781d
driver without running sensors-detect, and the i2c bus numbers are
not stable across reboots and hardware changes.

So, better detect alias chips in the driver directly, and skip any
I2C chip which is obviously an alias of the ISA chip. This is done
by comparing the value of 26 selected registers.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
---
 drivers/hwmon/w83781d.c | 79 ++++++++++++++++++++++++++++++++++-------
 1 file changed, 66 insertions(+), 13 deletions(-)

diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 136bec3fd64..1c00d9f7c14 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -205,10 +205,7 @@ DIV_TO_REG(long val, enum chips type)
    W83781D chips available (well, actually, that is probably never done; but
    it is a clean illustration of how to handle a case like that). Finally,
    a specific chip may be attached to *both* ISA and SMBus, and we would
-   not like to detect it double. Fortunately, in the case of the W83781D at
-   least, a register tells us what SMBus address we are on, so that helps
-   a bit - except if there could be more than one SMBus. Groan. No solution
-   for this yet. */
+   not like to detect it double. */
 
 /* For ISA chips, we abuse the i2c_client addr and name fields. We also use
    the driver field to differentiate between I2C and ISA chips. */
@@ -852,13 +849,25 @@ static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 /* This function is called when:
      * w83781d_driver is inserted (when this module is loaded), for each
        available adapter
-     * when a new adapter is inserted (and w83781d_driver is still present) */
+     * when a new adapter is inserted (and w83781d_driver is still present)
+   We block updates of the ISA device to minimize the risk of concurrent
+   access to the same W83781D chip through different interfaces. */
 static int
 w83781d_attach_adapter(struct i2c_adapter *adapter)
 {
+	struct w83781d_data *data;
+	int err;
+
 	if (!(adapter->class & I2C_CLASS_HWMON))
 		return 0;
-	return i2c_probe(adapter, &addr_data, w83781d_detect);
+
+	data = pdev ? platform_get_drvdata(pdev) : NULL;
+	if (data)
+		mutex_lock(&data->update_lock);
+	err = i2c_probe(adapter, &addr_data, w83781d_detect);
+	if (data)
+		mutex_unlock(&data->update_lock);
+	return err;
 }
 
 /* Assumes that adapter is of I2C, not ISA variety.
@@ -1028,6 +1037,40 @@ static const struct attribute_group w83781d_group_opt = {
 	.attrs = w83781d_attributes_opt,
 };
 
+/* Returns 1 if the I2C chip appears to be an alias of the ISA chip */
+static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
+{
+	struct w83781d_data *i2c, *isa;
+	int i;
+
+	if (!pdev)	/* No ISA chip */
+		return 0;
+
+	i2c = i2c_get_clientdata(client);
+	isa = platform_get_drvdata(pdev);
+
+	if (w83781d_read_value(isa, W83781D_REG_I2C_ADDR) != client->addr)
+		return 0;	/* Address doesn't match */
+	if (w83781d_read_value(isa, W83781D_REG_WCHIPID) != chipid)
+		return 0;	/* Chip type doesn't match */
+
+	/* We compare all the limit registers, the config register and the
+	 * interrupt mask registers */
+	for (i = 0x2b; i <= 0x3d; i++) {
+		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+			return 0;
+	}
+	if (w83781d_read_value(isa, W83781D_REG_CONFIG) !=
+	    w83781d_read_value(i2c, W83781D_REG_CONFIG))
+		return 0;
+	for (i = 0x43; i <= 0x46; i++) {
+		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+			return 0;
+	}
+
+	return 1;
+}
+
 /* No clean up is done on error, it's up to the caller */
 static int
 w83781d_create_files(struct device *dev, int kind, int is_isa)
@@ -1242,6 +1285,14 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
 			err = -EINVAL;
 			goto ERROR2;
 		}
+
+		if ((kind == w83781d || kind == w83782d)
+		 && w83781d_alias_detect(client, val1)) {
+			dev_dbg(&adapter->dev, "Device at 0x%02x appears to "
+				"be the same as ISA device\n", address);
+			err = -ENODEV;
+			goto ERROR2;
+		}
 	}
 
 	if (kind == w83781d) {
@@ -1904,14 +1955,12 @@ sensors_w83781d_init(void)
 {
 	int res;
 
-	res = i2c_add_driver(&w83781d_driver);
-	if (res)
-		goto exit;
-
+	/* We register the ISA device first, so that we can skip the
+	 * registration of an I2C interface to the same device. */
 	if (w83781d_isa_found(isa_address)) {
 		res = platform_driver_register(&w83781d_isa_driver);
 		if (res)
-			goto exit_unreg_i2c_driver;
+			goto exit;
 
 		/* Sets global pdev as a side effect */
 		res = w83781d_isa_device_add(isa_address);
@@ -1919,12 +1968,16 @@ sensors_w83781d_init(void)
 			goto exit_unreg_isa_driver;
 	}
 
+	res = i2c_add_driver(&w83781d_driver);
+	if (res)
+		goto exit_unreg_isa_device;
+
 	return 0;
 
+ exit_unreg_isa_device:
+	platform_device_unregister(pdev);
  exit_unreg_isa_driver:
 	platform_driver_unregister(&w83781d_isa_driver);
- exit_unreg_i2c_driver:
-	i2c_del_driver(&w83781d_driver);
  exit:
 	return res;
 }
-- 
GitLab


From 10c08f937d832e1d5a77e65767a6e2c05bc25c69 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:18 +0200
Subject: [PATCH 0895/2224] hwmon: (w83781d) Additional information about
 AS99127F PWM

This information was provided in lm-sensors ticket #2350:
http://www.lm-sensors.org/ticket/2350

This is IMHO still not enough to be able to safely implement fan
control support for the AS99127F, but this is valuable information so
I am adding it to the documentation.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/w83781d | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/Documentation/hwmon/w83781d b/Documentation/hwmon/w83781d
index 6f800a0283e..c91e0b63ea1 100644
--- a/Documentation/hwmon/w83781d
+++ b/Documentation/hwmon/w83781d
@@ -353,7 +353,7 @@ in6=255
 
 # PWM
 
-Additional info about PWM on the AS99127F (may apply to other Asus
+* Additional info about PWM on the AS99127F (may apply to other Asus
 chips as well) by Jean Delvare as of 2004-04-09:
 
 AS99127F revision 2 seems to have two PWM registers at 0x59 and 0x5A,
@@ -396,7 +396,7 @@ Please contact us if you can figure out how it is supposed to work. As
 long as we don't know more, the w83781d driver doesn't handle PWM on
 AS99127F chips at all.
 
-Additional info about PWM on the AS99127F rev.1 by Hector Martin:
+* Additional info about PWM on the AS99127F rev.1 by Hector Martin:
 
 I've been fiddling around with the (in)famous 0x59 register and
 found out the following values do work as a form of coarse pwm:
@@ -418,3 +418,36 @@ change.
 My mobo is an ASUS A7V266-E. This behavior is similar to what I got
 with speedfan under Windows, where 0-15% would be off, 15-2x% (can't
 remember the exact value) would be 70% and higher would be full on.
+
+* Additional info about PWM on the AS99127F rev.1 from lm-sensors
+  ticket #2350:
+
+I conducted some experiment on Asus P3B-F motherboard with AS99127F
+(Ver. 1).
+
+I confirm that 0x59 register control the CPU_Fan Header on this
+motherboard, and 0x5a register control PWR_Fan.
+
+In order to reduce the dependency of specific fan, the measurement is
+conducted with a digital scope without fan connected. I found out that
+P3B-F actually output variable DC voltage on fan header center pin,
+looks like PWM is filtered on this motherboard.
+
+Here are some of measurements:
+
+0x80     20 mV
+0x81     20 mV
+0x82    232 mV
+0x83   1.2  V
+0x84   2.31 V
+0x85   3.44 V
+0x86   4.62 V
+0x87   5.81 V
+0x88   7.01 V
+9x89   8.22 V
+0x8a   9.42 V
+0x8b  10.6  V
+0x8c  11.9  V
+0x8d  12.4  V
+0x8e  12.4  V
+0x8f  12.4  V
-- 
GitLab


From 443850ce5880b24583d2be9d4b146e471fdf3dad Mon Sep 17 00:00:00 2001
From: Wolfgang Grandegger <wg@grandegger.com>
Date: Fri, 17 Oct 2008 17:51:18 +0200
Subject: [PATCH 0896/2224] hwmon: (w83781d) Make ISA interface depend on
 CONFIG_ISA

Probing the ISA bus on systems without ISA bus may hang the system.
This patch makes the ISA bus related code depend on the kernel
configuration parameter CONFIG_ISA. It moves ISA bus related code
into one #ifdef CONFIG_ISA ... #endif block and adds some helper
function.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/w83781d.c | 673 +++++++++++++++++++++++-----------------
 1 file changed, 393 insertions(+), 280 deletions(-)

diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 1c00d9f7c14..1a729a74927 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -38,25 +38,24 @@
 #include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/i2c.h>
-#include <linux/platform_device.h>
-#include <linux/ioport.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-vid.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+
+#ifdef CONFIG_ISA
+#include <linux/platform_device.h>
+#include <linux/ioport.h>
 #include <asm/io.h>
-#include "lm75.h"
+#endif
 
-/* ISA device, if found */
-static struct platform_device *pdev;
+#include "lm75.h"
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
 						0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned short isa_address = 0x290;
-
 /* Insmod parameters */
 I2C_CLIENT_INSMOD_4(w83781d, w83782d, w83783s, as99127f);
 I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
@@ -245,13 +244,13 @@ struct w83781d_data {
 	u8 vrm;
 };
 
+static struct w83781d_data *w83781d_data_if_isa(void);
+static int w83781d_alias_detect(struct i2c_client *client, u8 chipid);
+
 static int w83781d_attach_adapter(struct i2c_adapter *adapter);
 static int w83781d_detect(struct i2c_adapter *adapter, int address, int kind);
 static int w83781d_detach_client(struct i2c_client *client);
 
-static int __devinit w83781d_isa_probe(struct platform_device *pdev);
-static int __devexit w83781d_isa_remove(struct platform_device *pdev);
-
 static int w83781d_read_value(struct w83781d_data *data, u16 reg);
 static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value);
 static struct w83781d_data *w83781d_update_device(struct device *dev);
@@ -265,16 +264,6 @@ static struct i2c_driver w83781d_driver = {
 	.detach_client = w83781d_detach_client,
 };
 
-static struct platform_driver w83781d_isa_driver = {
-	.driver = {
-		.owner = THIS_MODULE,
-		.name = "w83781d",
-	},
-	.probe = w83781d_isa_probe,
-	.remove = w83781d_isa_remove,
-};
-
-
 /* following are the sysfs callback functions */
 #define show_in_reg(reg) \
 static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
@@ -836,16 +825,6 @@ static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR,
 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR,
 	show_sensor, store_sensor, 2);
 
-/* I2C devices get this name attribute automatically, but for ISA devices
-   we must create it by ourselves. */
-static ssize_t
-show_name(struct device *dev, struct device_attribute *devattr, char *buf)
-{
-	struct w83781d_data *data = dev_get_drvdata(dev);
-	return sprintf(buf, "%s\n", data->client.name);
-}
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-
 /* This function is called when:
      * w83781d_driver is inserted (when this module is loaded), for each
        available adapter
@@ -855,13 +834,12 @@ static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 static int
 w83781d_attach_adapter(struct i2c_adapter *adapter)
 {
-	struct w83781d_data *data;
+	struct w83781d_data *data = w83781d_data_if_isa();
 	int err;
 
 	if (!(adapter->class & I2C_CLASS_HWMON))
 		return 0;
 
-	data = pdev ? platform_get_drvdata(pdev) : NULL;
 	if (data)
 		mutex_lock(&data->update_lock);
 	err = i2c_probe(adapter, &addr_data, w83781d_detect);
@@ -1037,40 +1015,6 @@ static const struct attribute_group w83781d_group_opt = {
 	.attrs = w83781d_attributes_opt,
 };
 
-/* Returns 1 if the I2C chip appears to be an alias of the ISA chip */
-static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
-{
-	struct w83781d_data *i2c, *isa;
-	int i;
-
-	if (!pdev)	/* No ISA chip */
-		return 0;
-
-	i2c = i2c_get_clientdata(client);
-	isa = platform_get_drvdata(pdev);
-
-	if (w83781d_read_value(isa, W83781D_REG_I2C_ADDR) != client->addr)
-		return 0;	/* Address doesn't match */
-	if (w83781d_read_value(isa, W83781D_REG_WCHIPID) != chipid)
-		return 0;	/* Chip type doesn't match */
-
-	/* We compare all the limit registers, the config register and the
-	 * interrupt mask registers */
-	for (i = 0x2b; i <= 0x3d; i++) {
-		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
-			return 0;
-	}
-	if (w83781d_read_value(isa, W83781D_REG_CONFIG) !=
-	    w83781d_read_value(i2c, W83781D_REG_CONFIG))
-		return 0;
-	for (i = 0x43; i <= 0x46; i++) {
-		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
-			return 0;
-	}
-
-	return 1;
-}
-
 /* No clean up is done on error, it's up to the caller */
 static int
 w83781d_create_files(struct device *dev, int kind, int is_isa)
@@ -1167,12 +1111,6 @@ w83781d_create_files(struct device *dev, int kind, int is_isa)
 		}
 	}
 
-	if (is_isa) {
-		err = device_create_file(&pdev->dev, &dev_attr_name);
-		if (err)
-			return err;
-	}
-
 	return 0;
 }
 
@@ -1381,221 +1319,80 @@ w83781d_detach_client(struct i2c_client *client)
 	return 0;
 }
 
-static int __devinit
-w83781d_isa_probe(struct platform_device *pdev)
-{
-	int err, reg;
-	struct w83781d_data *data;
-	struct resource *res;
-	const char *name;
-
-	/* Reserve the ISA region */
-	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
-	if (!request_region(res->start + W83781D_ADDR_REG_OFFSET, 2,
-			    "w83781d")) {
-		err = -EBUSY;
-		goto exit;
-	}
-
-	if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto exit_release_region;
-	}
-	mutex_init(&data->lock);
-	data->client.addr = res->start;
-	i2c_set_clientdata(&data->client, data);
-	platform_set_drvdata(pdev, data);
-
-	reg = w83781d_read_value(data, W83781D_REG_WCHIPID);
-	switch (reg) {
-	case 0x30:
-		data->type = w83782d;
-		name = "w83782d";
-		break;
-	default:
-		data->type = w83781d;
-		name = "w83781d";
-	}
-	strlcpy(data->client.name, name, I2C_NAME_SIZE);
-
-	/* Initialize the W83781D chip */
-	w83781d_init_device(&pdev->dev);
-
-	/* Register sysfs hooks */
-	err = w83781d_create_files(&pdev->dev, data->type, 1);
-	if (err)
-		goto exit_remove_files;
-
-	data->hwmon_dev = hwmon_device_register(&pdev->dev);
-	if (IS_ERR(data->hwmon_dev)) {
-		err = PTR_ERR(data->hwmon_dev);
-		goto exit_remove_files;
-	}
-
-	return 0;
-
- exit_remove_files:
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
-	device_remove_file(&pdev->dev, &dev_attr_name);
-	kfree(data);
- exit_release_region:
-	release_region(res->start + W83781D_ADDR_REG_OFFSET, 2);
- exit:
-	return err;
-}
-
-static int __devexit
-w83781d_isa_remove(struct platform_device *pdev)
-{
-	struct w83781d_data *data = platform_get_drvdata(pdev);
-
-	hwmon_device_unregister(data->hwmon_dev);
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
-	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
-	device_remove_file(&pdev->dev, &dev_attr_name);
-	release_region(data->client.addr + W83781D_ADDR_REG_OFFSET, 2);
-	kfree(data);
-
-	return 0;
-}
-
-/* The SMBus locks itself, usually, but nothing may access the Winbond between
-   bank switches. ISA access must always be locked explicitly!
-   We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the W83781D access and should not be necessary.
-   There are some ugly typecasts here, but the good news is - they should
-   nowhere else be necessary! */
 static int
-w83781d_read_value(struct w83781d_data *data, u16 reg)
+w83781d_read_value_i2c(struct w83781d_data *data, u16 reg)
 {
 	struct i2c_client *client = &data->client;
-	int res, word_sized, bank;
+	int res, bank;
 	struct i2c_client *cl;
 
-	mutex_lock(&data->lock);
-	if (!client->driver) { /* ISA device */
-		word_sized = (((reg & 0xff00) == 0x100)
-			      || ((reg & 0xff00) == 0x200))
-		    && (((reg & 0x00ff) == 0x50)
-			|| ((reg & 0x00ff) == 0x53)
-			|| ((reg & 0x00ff) == 0x55));
-		if (reg & 0xff00) {
-			outb_p(W83781D_REG_BANK,
-			       client->addr + W83781D_ADDR_REG_OFFSET);
-			outb_p(reg >> 8,
-			       client->addr + W83781D_DATA_REG_OFFSET);
-		}
-		outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
-		res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
-		if (word_sized) {
-			outb_p((reg & 0xff) + 1,
-			       client->addr + W83781D_ADDR_REG_OFFSET);
-			res =
-			    (res << 8) + inb_p(client->addr +
-					       W83781D_DATA_REG_OFFSET);
-		}
-		if (reg & 0xff00) {
-			outb_p(W83781D_REG_BANK,
-			       client->addr + W83781D_ADDR_REG_OFFSET);
-			outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
-		}
+	bank = (reg >> 8) & 0x0f;
+	if (bank > 2)
+		/* switch banks */
+		i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
+					  bank);
+	if (bank == 0 || bank > 2) {
+		res = i2c_smbus_read_byte_data(client, reg & 0xff);
 	} else {
-		bank = (reg >> 8) & 0x0f;
-		if (bank > 2)
-			/* switch banks */
-			i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
-						  bank);
-		if (bank == 0 || bank > 2) {
-			res = i2c_smbus_read_byte_data(client, reg & 0xff);
-		} else {
-			/* switch to subclient */
-			cl = data->lm75[bank - 1];
-			/* convert from ISA to LM75 I2C addresses */
-			switch (reg & 0xff) {
-			case 0x50:	/* TEMP */
-				res = swab16(i2c_smbus_read_word_data(cl, 0));
-				break;
-			case 0x52:	/* CONFIG */
-				res = i2c_smbus_read_byte_data(cl, 1);
-				break;
-			case 0x53:	/* HYST */
-				res = swab16(i2c_smbus_read_word_data(cl, 2));
-				break;
-			case 0x55:	/* OVER */
-			default:
-				res = swab16(i2c_smbus_read_word_data(cl, 3));
-				break;
-			}
+		/* switch to subclient */
+		cl = data->lm75[bank - 1];
+		/* convert from ISA to LM75 I2C addresses */
+		switch (reg & 0xff) {
+		case 0x50:	/* TEMP */
+			res = swab16(i2c_smbus_read_word_data(cl, 0));
+			break;
+		case 0x52:	/* CONFIG */
+			res = i2c_smbus_read_byte_data(cl, 1);
+			break;
+		case 0x53:	/* HYST */
+			res = swab16(i2c_smbus_read_word_data(cl, 2));
+			break;
+		case 0x55:	/* OVER */
+		default:
+			res = swab16(i2c_smbus_read_word_data(cl, 3));
+			break;
 		}
-		if (bank > 2)
-			i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
 	}
-	mutex_unlock(&data->lock);
+	if (bank > 2)
+		i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
+
 	return res;
 }
 
 static int
-w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value)
+w83781d_write_value_i2c(struct w83781d_data *data, u16 reg, u16 value)
 {
 	struct i2c_client *client = &data->client;
-	int word_sized, bank;
+	int bank;
 	struct i2c_client *cl;
 
-	mutex_lock(&data->lock);
-	if (!client->driver) { /* ISA device */
-		word_sized = (((reg & 0xff00) == 0x100)
-			      || ((reg & 0xff00) == 0x200))
-		    && (((reg & 0x00ff) == 0x53)
-			|| ((reg & 0x00ff) == 0x55));
-		if (reg & 0xff00) {
-			outb_p(W83781D_REG_BANK,
-			       client->addr + W83781D_ADDR_REG_OFFSET);
-			outb_p(reg >> 8,
-			       client->addr + W83781D_DATA_REG_OFFSET);
-		}
-		outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
-		if (word_sized) {
-			outb_p(value >> 8,
-			       client->addr + W83781D_DATA_REG_OFFSET);
-			outb_p((reg & 0xff) + 1,
-			       client->addr + W83781D_ADDR_REG_OFFSET);
-		}
-		outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET);
-		if (reg & 0xff00) {
-			outb_p(W83781D_REG_BANK,
-			       client->addr + W83781D_ADDR_REG_OFFSET);
-			outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
-		}
+	bank = (reg >> 8) & 0x0f;
+	if (bank > 2)
+		/* switch banks */
+		i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
+					  bank);
+	if (bank == 0 || bank > 2) {
+		i2c_smbus_write_byte_data(client, reg & 0xff,
+					  value & 0xff);
 	} else {
-		bank = (reg >> 8) & 0x0f;
-		if (bank > 2)
-			/* switch banks */
-			i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
-						  bank);
-		if (bank == 0 || bank > 2) {
-			i2c_smbus_write_byte_data(client, reg & 0xff,
-						  value & 0xff);
-		} else {
-			/* switch to subclient */
-			cl = data->lm75[bank - 1];
-			/* convert from ISA to LM75 I2C addresses */
-			switch (reg & 0xff) {
-			case 0x52:	/* CONFIG */
-				i2c_smbus_write_byte_data(cl, 1, value & 0xff);
-				break;
-			case 0x53:	/* HYST */
-				i2c_smbus_write_word_data(cl, 2, swab16(value));
-				break;
-			case 0x55:	/* OVER */
-				i2c_smbus_write_word_data(cl, 3, swab16(value));
-				break;
-			}
+		/* switch to subclient */
+		cl = data->lm75[bank - 1];
+		/* convert from ISA to LM75 I2C addresses */
+		switch (reg & 0xff) {
+		case 0x52:	/* CONFIG */
+			i2c_smbus_write_byte_data(cl, 1, value & 0xff);
+			break;
+		case 0x53:	/* HYST */
+			i2c_smbus_write_word_data(cl, 2, swab16(value));
+			break;
+		case 0x55:	/* OVER */
+			i2c_smbus_write_word_data(cl, 3, swab16(value));
+			break;
 		}
-		if (bank > 2)
-			i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
 	}
-	mutex_unlock(&data->lock);
+	if (bank > 2)
+		i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
+
 	return 0;
 }
 
@@ -1815,6 +1612,255 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
 	return data;
 }
 
+#ifdef CONFIG_ISA
+
+/* ISA device, if found */
+static struct platform_device *pdev;
+
+static unsigned short isa_address = 0x290;
+
+/* I2C devices get this name attribute automatically, but for ISA devices
+   we must create it by ourselves. */
+static ssize_t
+show_name(struct device *dev, struct device_attribute *devattr, char *buf)
+{
+	struct w83781d_data *data = dev_get_drvdata(dev);
+	return sprintf(buf, "%s\n", data->client.name);
+}
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+
+static struct w83781d_data *w83781d_data_if_isa(void)
+{
+	return pdev ? platform_get_drvdata(pdev) : NULL;
+}
+
+/* Returns 1 if the I2C chip appears to be an alias of the ISA chip */
+static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
+{
+	struct w83781d_data *i2c, *isa;
+	int i;
+
+	if (!pdev)	/* No ISA chip */
+		return 0;
+
+	i2c = i2c_get_clientdata(client);
+	isa = platform_get_drvdata(pdev);
+
+	if (w83781d_read_value(isa, W83781D_REG_I2C_ADDR) != client->addr)
+		return 0;	/* Address doesn't match */
+	if (w83781d_read_value(isa, W83781D_REG_WCHIPID) != chipid)
+		return 0;	/* Chip type doesn't match */
+
+	/* We compare all the limit registers, the config register and the
+	 * interrupt mask registers */
+	for (i = 0x2b; i <= 0x3d; i++) {
+		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+			return 0;
+	}
+	if (w83781d_read_value(isa, W83781D_REG_CONFIG) !=
+	    w83781d_read_value(i2c, W83781D_REG_CONFIG))
+		return 0;
+	for (i = 0x43; i <= 0x46; i++) {
+		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+			return 0;
+	}
+
+	return 1;
+}
+
+static int
+w83781d_read_value_isa(struct w83781d_data *data, u16 reg)
+{
+	struct i2c_client *client = &data->client;
+	int word_sized, res;
+
+	word_sized = (((reg & 0xff00) == 0x100)
+		      || ((reg & 0xff00) == 0x200))
+	    && (((reg & 0x00ff) == 0x50)
+		|| ((reg & 0x00ff) == 0x53)
+		|| ((reg & 0x00ff) == 0x55));
+	if (reg & 0xff00) {
+		outb_p(W83781D_REG_BANK,
+		       client->addr + W83781D_ADDR_REG_OFFSET);
+		outb_p(reg >> 8,
+		       client->addr + W83781D_DATA_REG_OFFSET);
+	}
+	outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+	res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
+	if (word_sized) {
+		outb_p((reg & 0xff) + 1,
+		       client->addr + W83781D_ADDR_REG_OFFSET);
+		res =
+		    (res << 8) + inb_p(client->addr +
+				       W83781D_DATA_REG_OFFSET);
+	}
+	if (reg & 0xff00) {
+		outb_p(W83781D_REG_BANK,
+		       client->addr + W83781D_ADDR_REG_OFFSET);
+		outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+	}
+	return res;
+}
+
+static void
+w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value)
+{
+	struct i2c_client *client = &data->client;
+	int word_sized;
+
+	word_sized = (((reg & 0xff00) == 0x100)
+		      || ((reg & 0xff00) == 0x200))
+	    && (((reg & 0x00ff) == 0x53)
+		|| ((reg & 0x00ff) == 0x55));
+	if (reg & 0xff00) {
+		outb_p(W83781D_REG_BANK,
+		       client->addr + W83781D_ADDR_REG_OFFSET);
+		outb_p(reg >> 8,
+		       client->addr + W83781D_DATA_REG_OFFSET);
+	}
+	outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+	if (word_sized) {
+		outb_p(value >> 8,
+		       client->addr + W83781D_DATA_REG_OFFSET);
+		outb_p((reg & 0xff) + 1,
+		       client->addr + W83781D_ADDR_REG_OFFSET);
+	}
+	outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET);
+	if (reg & 0xff00) {
+		outb_p(W83781D_REG_BANK,
+		       client->addr + W83781D_ADDR_REG_OFFSET);
+		outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+	}
+}
+
+/* The SMBus locks itself, usually, but nothing may access the Winbond between
+   bank switches. ISA access must always be locked explicitly!
+   We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
+   would slow down the W83781D access and should not be necessary.
+   There are some ugly typecasts here, but the good news is - they should
+   nowhere else be necessary! */
+static int
+w83781d_read_value(struct w83781d_data *data, u16 reg)
+{
+	struct i2c_client *client = &data->client;
+	int res;
+
+	mutex_lock(&data->lock);
+	if (client->driver)
+		res = w83781d_read_value_i2c(data, reg);
+	else
+		res = w83781d_read_value_isa(data, reg);
+	mutex_unlock(&data->lock);
+	return res;
+}
+
+static int
+w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value)
+{
+	struct i2c_client *client = &data->client;
+
+	mutex_lock(&data->lock);
+	if (client->driver)
+		w83781d_write_value_i2c(data, reg, value);
+	else
+		w83781d_write_value_isa(data, reg, value);
+	mutex_unlock(&data->lock);
+	return 0;
+}
+
+static int __devinit
+w83781d_isa_probe(struct platform_device *pdev)
+{
+	int err, reg;
+	struct w83781d_data *data;
+	struct resource *res;
+	const char *name;
+
+	/* Reserve the ISA region */
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	if (!request_region(res->start + W83781D_ADDR_REG_OFFSET, 2,
+			    "w83781d")) {
+		err = -EBUSY;
+		goto exit;
+	}
+
+	data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL);
+	if (!data) {
+		err = -ENOMEM;
+		goto exit_release_region;
+	}
+	mutex_init(&data->lock);
+	data->client.addr = res->start;
+	i2c_set_clientdata(&data->client, data);
+	platform_set_drvdata(pdev, data);
+
+	reg = w83781d_read_value(data, W83781D_REG_WCHIPID);
+	switch (reg) {
+	case 0x30:
+		data->type = w83782d;
+		name = "w83782d";
+		break;
+	default:
+		data->type = w83781d;
+		name = "w83781d";
+	}
+	strlcpy(data->client.name, name, I2C_NAME_SIZE);
+
+	/* Initialize the W83781D chip */
+	w83781d_init_device(&pdev->dev);
+
+	/* Register sysfs hooks */
+	err = w83781d_create_files(&pdev->dev, data->type, 1);
+	if (err)
+		goto exit_remove_files;
+
+	err = device_create_file(&pdev->dev, &dev_attr_name);
+	if (err)
+		goto exit_remove_files;
+
+	data->hwmon_dev = hwmon_device_register(&pdev->dev);
+	if (IS_ERR(data->hwmon_dev)) {
+		err = PTR_ERR(data->hwmon_dev);
+		goto exit_remove_files;
+	}
+
+	return 0;
+
+ exit_remove_files:
+	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
+	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
+	device_remove_file(&pdev->dev, &dev_attr_name);
+	kfree(data);
+ exit_release_region:
+	release_region(res->start + W83781D_ADDR_REG_OFFSET, 2);
+ exit:
+	return err;
+}
+
+static int __devexit
+w83781d_isa_remove(struct platform_device *pdev)
+{
+	struct w83781d_data *data = platform_get_drvdata(pdev);
+
+	hwmon_device_unregister(data->hwmon_dev);
+	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
+	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
+	device_remove_file(&pdev->dev, &dev_attr_name);
+	release_region(data->client.addr + W83781D_ADDR_REG_OFFSET, 2);
+	kfree(data);
+
+	return 0;
+}
+
+static struct platform_driver w83781d_isa_driver = {
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = "w83781d",
+	},
+	.probe = w83781d_isa_probe,
+	.remove = __devexit_p(w83781d_isa_remove),
+};
+
 /* return 1 if a supported chip is found, 0 otherwise */
 static int __init
 w83781d_isa_found(unsigned short address)
@@ -1951,12 +1997,10 @@ w83781d_isa_device_add(unsigned short address)
 }
 
 static int __init
-sensors_w83781d_init(void)
+w83781d_isa_register(void)
 {
 	int res;
 
-	/* We register the ISA device first, so that we can skip the
-	 * registration of an I2C interface to the same device. */
 	if (w83781d_isa_found(isa_address)) {
 		res = platform_driver_register(&w83781d_isa_driver);
 		if (res)
@@ -1968,27 +2012,96 @@ sensors_w83781d_init(void)
 			goto exit_unreg_isa_driver;
 	}
 
-	res = i2c_add_driver(&w83781d_driver);
-	if (res)
-		goto exit_unreg_isa_device;
-
 	return 0;
 
- exit_unreg_isa_device:
-	platform_device_unregister(pdev);
- exit_unreg_isa_driver:
+exit_unreg_isa_driver:
 	platform_driver_unregister(&w83781d_isa_driver);
- exit:
+exit:
 	return res;
 }
 
 static void __exit
-sensors_w83781d_exit(void)
+w83781d_isa_unregister(void)
 {
 	if (pdev) {
 		platform_device_unregister(pdev);
 		platform_driver_unregister(&w83781d_isa_driver);
 	}
+}
+#else /* !CONFIG_ISA */
+
+static struct w83781d_data *w83781d_data_if_isa(void)
+{
+	return NULL;
+}
+
+static int
+w83781d_alias_detect(struct i2c_client *client, u8 chipid)
+{
+	return 0;
+}
+
+static int
+w83781d_read_value(struct w83781d_data *data, u16 reg)
+{
+	int res;
+
+	mutex_lock(&data->lock);
+	res = w83781d_read_value_i2c(data, reg);
+	mutex_unlock(&data->lock);
+
+	return res;
+}
+
+static int
+w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value)
+{
+	mutex_lock(&data->lock);
+	w83781d_write_value_i2c(data, reg, value);
+	mutex_unlock(&data->lock);
+
+	return 0;
+}
+
+static int __init
+w83781d_isa_register(void)
+{
+	return 0;
+}
+
+static void __exit
+w83781d_isa_unregister(void)
+{
+}
+#endif /* CONFIG_ISA */
+
+static int __init
+sensors_w83781d_init(void)
+{
+	int res;
+
+	/* We register the ISA device first, so that we can skip the
+	 * registration of an I2C interface to the same device. */
+	res = w83781d_isa_register();
+	if (res)
+		goto exit;
+
+	res = i2c_add_driver(&w83781d_driver);
+	if (res)
+		goto exit_unreg_isa;
+
+	return 0;
+
+ exit_unreg_isa:
+	w83781d_isa_unregister();
+ exit:
+	return res;
+}
+
+static void __exit
+sensors_w83781d_exit(void)
+{
+	w83781d_isa_unregister();
 	i2c_del_driver(&w83781d_driver);
 }
 
-- 
GitLab


From 360782dde00a2e6e7d9fd57535f90934707ab8a8 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:19 +0200
Subject: [PATCH 0897/2224] hwmon: (w83781d) Stop abusing struct i2c_client for
 ISA devices

Upcoming changes to the I2C part of the w83781d driver will cause ISA
devices to no longer have a struct i2c_client at hand. So, we must
stop (ab)using it now.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
---
 drivers/hwmon/w83781d.c | 63 +++++++++++++++++------------------------
 1 file changed, 26 insertions(+), 37 deletions(-)

diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 1a729a74927..50580c88305 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -4,7 +4,7 @@
     Copyright (c) 1998 - 2001  Frodo Looijaard <frodol@dds.nl>,
                                Philip Edelbrock <phil@netroedge.com>,
                                and Mark Studebaker <mdsxyz123@yahoo.com>
-    Copyright (c) 2007         Jean Delvare <khali@linux-fr.org>
+    Copyright (c) 2007 - 2008  Jean Delvare <khali@linux-fr.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -198,22 +198,16 @@ DIV_TO_REG(long val, enum chips type)
 	return i;
 }
 
-/* There are some complications in a module like this. First off, W83781D chips
-   may be both present on the SMBus and the ISA bus, and we have to handle
-   those cases separately at some places. Second, there might be several
-   W83781D chips available (well, actually, that is probably never done; but
-   it is a clean illustration of how to handle a case like that). Finally,
-   a specific chip may be attached to *both* ISA and SMBus, and we would
-   not like to detect it double. */
-
-/* For ISA chips, we abuse the i2c_client addr and name fields. We also use
-   the driver field to differentiate between I2C and ISA chips. */
 struct w83781d_data {
 	struct i2c_client client;
 	struct device *hwmon_dev;
 	struct mutex lock;
 	enum chips type;
 
+	/* For ISA device only */
+	const char *name;
+	int isa_addr;
+
 	struct mutex update_lock;
 	char valid;		/* !=0 if following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
@@ -1625,7 +1619,7 @@ static ssize_t
 show_name(struct device *dev, struct device_attribute *devattr, char *buf)
 {
 	struct w83781d_data *data = dev_get_drvdata(dev);
-	return sprintf(buf, "%s\n", data->client.name);
+	return sprintf(buf, "%s\n", data->name);
 }
 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
 
@@ -1671,7 +1665,6 @@ static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
 static int
 w83781d_read_value_isa(struct w83781d_data *data, u16 reg)
 {
-	struct i2c_client *client = &data->client;
 	int word_sized, res;
 
 	word_sized = (((reg & 0xff00) == 0x100)
@@ -1681,23 +1674,23 @@ w83781d_read_value_isa(struct w83781d_data *data, u16 reg)
 		|| ((reg & 0x00ff) == 0x55));
 	if (reg & 0xff00) {
 		outb_p(W83781D_REG_BANK,
-		       client->addr + W83781D_ADDR_REG_OFFSET);
+		       data->isa_addr + W83781D_ADDR_REG_OFFSET);
 		outb_p(reg >> 8,
-		       client->addr + W83781D_DATA_REG_OFFSET);
+		       data->isa_addr + W83781D_DATA_REG_OFFSET);
 	}
-	outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
-	res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
+	outb_p(reg & 0xff, data->isa_addr + W83781D_ADDR_REG_OFFSET);
+	res = inb_p(data->isa_addr + W83781D_DATA_REG_OFFSET);
 	if (word_sized) {
 		outb_p((reg & 0xff) + 1,
-		       client->addr + W83781D_ADDR_REG_OFFSET);
+		       data->isa_addr + W83781D_ADDR_REG_OFFSET);
 		res =
-		    (res << 8) + inb_p(client->addr +
+		    (res << 8) + inb_p(data->isa_addr +
 				       W83781D_DATA_REG_OFFSET);
 	}
 	if (reg & 0xff00) {
 		outb_p(W83781D_REG_BANK,
-		       client->addr + W83781D_ADDR_REG_OFFSET);
-		outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+		       data->isa_addr + W83781D_ADDR_REG_OFFSET);
+		outb_p(0, data->isa_addr + W83781D_DATA_REG_OFFSET);
 	}
 	return res;
 }
@@ -1705,7 +1698,6 @@ w83781d_read_value_isa(struct w83781d_data *data, u16 reg)
 static void
 w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value)
 {
-	struct i2c_client *client = &data->client;
 	int word_sized;
 
 	word_sized = (((reg & 0xff00) == 0x100)
@@ -1714,22 +1706,22 @@ w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value)
 		|| ((reg & 0x00ff) == 0x55));
 	if (reg & 0xff00) {
 		outb_p(W83781D_REG_BANK,
-		       client->addr + W83781D_ADDR_REG_OFFSET);
+		       data->isa_addr + W83781D_ADDR_REG_OFFSET);
 		outb_p(reg >> 8,
-		       client->addr + W83781D_DATA_REG_OFFSET);
+		       data->isa_addr + W83781D_DATA_REG_OFFSET);
 	}
-	outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+	outb_p(reg & 0xff, data->isa_addr + W83781D_ADDR_REG_OFFSET);
 	if (word_sized) {
 		outb_p(value >> 8,
-		       client->addr + W83781D_DATA_REG_OFFSET);
+		       data->isa_addr + W83781D_DATA_REG_OFFSET);
 		outb_p((reg & 0xff) + 1,
-		       client->addr + W83781D_ADDR_REG_OFFSET);
+		       data->isa_addr + W83781D_ADDR_REG_OFFSET);
 	}
-	outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET);
+	outb_p(value & 0xff, data->isa_addr + W83781D_DATA_REG_OFFSET);
 	if (reg & 0xff00) {
 		outb_p(W83781D_REG_BANK,
-		       client->addr + W83781D_ADDR_REG_OFFSET);
-		outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+		       data->isa_addr + W83781D_ADDR_REG_OFFSET);
+		outb_p(0, data->isa_addr + W83781D_DATA_REG_OFFSET);
 	}
 }
 
@@ -1774,7 +1766,6 @@ w83781d_isa_probe(struct platform_device *pdev)
 	int err, reg;
 	struct w83781d_data *data;
 	struct resource *res;
-	const char *name;
 
 	/* Reserve the ISA region */
 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
@@ -1790,21 +1781,19 @@ w83781d_isa_probe(struct platform_device *pdev)
 		goto exit_release_region;
 	}
 	mutex_init(&data->lock);
-	data->client.addr = res->start;
-	i2c_set_clientdata(&data->client, data);
+	data->isa_addr = res->start;
 	platform_set_drvdata(pdev, data);
 
 	reg = w83781d_read_value(data, W83781D_REG_WCHIPID);
 	switch (reg) {
 	case 0x30:
 		data->type = w83782d;
-		name = "w83782d";
+		data->name = "w83782d";
 		break;
 	default:
 		data->type = w83781d;
-		name = "w83781d";
+		data->name = "w83781d";
 	}
-	strlcpy(data->client.name, name, I2C_NAME_SIZE);
 
 	/* Initialize the W83781D chip */
 	w83781d_init_device(&pdev->dev);
@@ -1846,7 +1835,7 @@ w83781d_isa_remove(struct platform_device *pdev)
 	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
 	sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
 	device_remove_file(&pdev->dev, &dev_attr_name);
-	release_region(data->client.addr + W83781D_ADDR_REG_OFFSET, 2);
+	release_region(data->isa_addr + W83781D_ADDR_REG_OFFSET, 2);
 	kfree(data);
 
 	return 0;
-- 
GitLab


From 0217eae3a825d551b99991bc30555c3daeb0a4df Mon Sep 17 00:00:00 2001
From: Wolfgang Grandegger <wg@grandegger.com>
Date: Fri, 17 Oct 2008 17:51:19 +0200
Subject: [PATCH 0898/2224] hwmon: (w83781d) Use new style driver binding

This patch modifies the w83781d driver to use new style driver binding.
Substantial code modifications are required to deal with the new
interface, especially legacy device detection.

[JD: largely edited to make the patch smaller and to get the driver
to work again on ISA devices.]

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/w83781d.c | 309 +++++++++++++++++-----------------------
 1 file changed, 134 insertions(+), 175 deletions(-)

diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 50580c88305..d4d1b859d4f 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -199,7 +199,7 @@ DIV_TO_REG(long val, enum chips type)
 }
 
 struct w83781d_data {
-	struct i2c_client client;
+	struct i2c_client *client;
 	struct device *hwmon_dev;
 	struct mutex lock;
 	enum chips type;
@@ -241,23 +241,11 @@ struct w83781d_data {
 static struct w83781d_data *w83781d_data_if_isa(void);
 static int w83781d_alias_detect(struct i2c_client *client, u8 chipid);
 
-static int w83781d_attach_adapter(struct i2c_adapter *adapter);
-static int w83781d_detect(struct i2c_adapter *adapter, int address, int kind);
-static int w83781d_detach_client(struct i2c_client *client);
-
 static int w83781d_read_value(struct w83781d_data *data, u16 reg);
 static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value);
 static struct w83781d_data *w83781d_update_device(struct device *dev);
 static void w83781d_init_device(struct device *dev);
 
-static struct i2c_driver w83781d_driver = {
-	.driver = {
-		.name = "w83781d",
-	},
-	.attach_adapter = w83781d_attach_adapter,
-	.detach_client = w83781d_detach_client,
-};
-
 /* following are the sysfs callback functions */
 #define show_in_reg(reg) \
 static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
@@ -819,46 +807,19 @@ static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR,
 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR,
 	show_sensor, store_sensor, 2);
 
-/* This function is called when:
-     * w83781d_driver is inserted (when this module is loaded), for each
-       available adapter
-     * when a new adapter is inserted (and w83781d_driver is still present)
-   We block updates of the ISA device to minimize the risk of concurrent
-   access to the same W83781D chip through different interfaces. */
-static int
-w83781d_attach_adapter(struct i2c_adapter *adapter)
-{
-	struct w83781d_data *data = w83781d_data_if_isa();
-	int err;
-
-	if (!(adapter->class & I2C_CLASS_HWMON))
-		return 0;
-
-	if (data)
-		mutex_lock(&data->update_lock);
-	err = i2c_probe(adapter, &addr_data, w83781d_detect);
-	if (data)
-		mutex_unlock(&data->update_lock);
-	return err;
-}
-
 /* Assumes that adapter is of I2C, not ISA variety.
  * OTHERWISE DON'T CALL THIS
  */
 static int
-w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
-		struct i2c_client *new_client)
+w83781d_detect_subclients(struct i2c_client *new_client)
 {
 	int i, val1 = 0, id;
 	int err;
-	const char *client_name = "";
+	int address = new_client->addr;
+	unsigned short sc_addr[2];
+	struct i2c_adapter *adapter = new_client->adapter;
 	struct w83781d_data *data = i2c_get_clientdata(new_client);
-
-	data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!(data->lm75[0])) {
-		err = -ENOMEM;
-		goto ERROR_SC_0;
-	}
+	enum chips kind = data->type;
 
 	id = i2c_adapter_id(adapter);
 
@@ -876,55 +837,35 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
 		w83781d_write_value(data, W83781D_REG_I2C_SUBADDR,
 				(force_subclients[2] & 0x07) |
 				((force_subclients[3] & 0x07) << 4));
-		data->lm75[0]->addr = force_subclients[2];
+		sc_addr[0] = force_subclients[2];
 	} else {
 		val1 = w83781d_read_value(data, W83781D_REG_I2C_SUBADDR);
-		data->lm75[0]->addr = 0x48 + (val1 & 0x07);
+		sc_addr[0] = 0x48 + (val1 & 0x07);
 	}
 
 	if (kind != w83783s) {
-		data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-		if (!(data->lm75[1])) {
-			err = -ENOMEM;
-			goto ERROR_SC_1;
-		}
-
 		if (force_subclients[0] == id &&
 		    force_subclients[1] == address) {
-			data->lm75[1]->addr = force_subclients[3];
+			sc_addr[1] = force_subclients[3];
 		} else {
-			data->lm75[1]->addr = 0x48 + ((val1 >> 4) & 0x07);
+			sc_addr[1] = 0x48 + ((val1 >> 4) & 0x07);
 		}
-		if (data->lm75[0]->addr == data->lm75[1]->addr) {
+		if (sc_addr[0] == sc_addr[1]) {
 			dev_err(&new_client->dev,
 			       "Duplicate addresses 0x%x for subclients.\n",
-			       data->lm75[0]->addr);
+			       sc_addr[0]);
 			err = -EBUSY;
 			goto ERROR_SC_2;
 		}
 	}
 
-	if (kind == w83781d)
-		client_name = "w83781d subclient";
-	else if (kind == w83782d)
-		client_name = "w83782d subclient";
-	else if (kind == w83783s)
-		client_name = "w83783s subclient";
-	else if (kind == as99127f)
-		client_name = "as99127f subclient";
-
 	for (i = 0; i <= 1; i++) {
-		/* store all data in w83781d */
-		i2c_set_clientdata(data->lm75[i], NULL);
-		data->lm75[i]->adapter = adapter;
-		data->lm75[i]->driver = &w83781d_driver;
-		data->lm75[i]->flags = 0;
-		strlcpy(data->lm75[i]->name, client_name,
-			I2C_NAME_SIZE);
-		if ((err = i2c_attach_client(data->lm75[i]))) {
+		data->lm75[i] = i2c_new_dummy(adapter, sc_addr[i]);
+		if (!data->lm75[i]) {
 			dev_err(&new_client->dev, "Subclient %d "
 				"registration at address 0x%x "
-				"failed.\n", i, data->lm75[i]->addr);
+				"failed.\n", i, sc_addr[i]);
+			err = -ENOMEM;
 			if (i == 1)
 				goto ERROR_SC_3;
 			goto ERROR_SC_2;
@@ -937,12 +878,9 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
 
 /* Undo inits in case of errors */
 ERROR_SC_3:
-	i2c_detach_client(data->lm75[0]);
+	i2c_unregister_device(data->lm75[0]);
 ERROR_SC_2:
-	kfree(data->lm75[1]);
 ERROR_SC_1:
-	kfree(data->lm75[0]);
-ERROR_SC_0:
 	return err;
 }
 
@@ -1108,87 +1046,71 @@ w83781d_create_files(struct device *dev, int kind, int is_isa)
 	return 0;
 }
 
+/* Return 0 if detection is successful, -ENODEV otherwise */
 static int
-w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
+w83781d_detect(struct i2c_client *client, int kind,
+	       struct i2c_board_info *info)
 {
 	int val1 = 0, val2;
-	struct i2c_client *client;
-	struct device *dev;
-	struct w83781d_data *data;
-	int err;
+	struct w83781d_data *isa = w83781d_data_if_isa();
+	struct i2c_adapter *adapter = client->adapter;
+	int address = client->addr;
 	const char *client_name = "";
 	enum vendor { winbond, asus } vendid;
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
-		err = -EINVAL;
-		goto ERROR1;
-	}
-
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet.
-	   But it allows us to access w83781d_{read,write}_value. */
-
-	if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto ERROR1;
-	}
-
-	client = &data->client;
-	i2c_set_clientdata(client, data);
-	client->addr = address;
-	mutex_init(&data->lock);
-	client->adapter = adapter;
-	client->driver = &w83781d_driver;
-	dev = &client->dev;
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	/* Now, we do the remaining detection. */
+	/* We block updates of the ISA device to minimize the risk of
+	   concurrent access to the same W83781D chip through different
+	   interfaces. */
+	if (isa)
+		mutex_lock(&isa->update_lock);
 
 	/* The w8378?d may be stuck in some other bank than bank 0. This may
 	   make reading other information impossible. Specify a force=... or
 	   force_*=... parameter, and the Winbond will be reset to the right
 	   bank. */
 	if (kind < 0) {
-		if (w83781d_read_value(data, W83781D_REG_CONFIG) & 0x80) {
+		if (i2c_smbus_read_byte_data
+		    (client, W83781D_REG_CONFIG) & 0x80) {
 			dev_dbg(&adapter->dev, "Detection of w83781d chip "
 				"failed at step 3\n");
-			err = -ENODEV;
-			goto ERROR2;
+			goto err_nodev;
 		}
-		val1 = w83781d_read_value(data, W83781D_REG_BANK);
-		val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN);
+		val1 = i2c_smbus_read_byte_data(client, W83781D_REG_BANK);
+		val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN);
 		/* Check for Winbond or Asus ID if in bank 0 */
 		if ((!(val1 & 0x07)) &&
 		    (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3))
 		     || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) {
 			dev_dbg(&adapter->dev, "Detection of w83781d chip "
 				"failed at step 4\n");
-			err = -ENODEV;
-			goto ERROR2;
+			goto err_nodev;
 		}
 		/* If Winbond SMBus, check address at 0x48.
 		   Asus doesn't support, except for as99127f rev.2 */
 		if ((!(val1 & 0x80) && (val2 == 0xa3)) ||
 		    ((val1 & 0x80) && (val2 == 0x5c))) {
-			if (w83781d_read_value
-			    (data, W83781D_REG_I2C_ADDR) != address) {
+			if (i2c_smbus_read_byte_data
+			    (client, W83781D_REG_I2C_ADDR) != address) {
 				dev_dbg(&adapter->dev, "Detection of w83781d "
 					"chip failed at step 5\n");
-				err = -ENODEV;
-				goto ERROR2;
+				goto err_nodev;
 			}
 		}
 	}
 
 	/* We have either had a force parameter, or we have already detected the
 	   Winbond. Put it now into bank 0 and Vendor ID High Byte */
-	w83781d_write_value(data, W83781D_REG_BANK,
-			    (w83781d_read_value(data, W83781D_REG_BANK)
-			     & 0x78) | 0x80);
+	i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
+		(i2c_smbus_read_byte_data(client, W83781D_REG_BANK)
+		 & 0x78) | 0x80);
 
 	/* Determine the chip type. */
 	if (kind <= 0) {
 		/* get vendor ID */
-		val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN);
+		val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN);
 		if (val2 == 0x5c)
 			vendid = winbond;
 		else if (val2 == 0x12)
@@ -1196,11 +1118,10 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
 		else {
 			dev_dbg(&adapter->dev, "w83781d chip vendor is "
 				"neither Winbond nor Asus\n");
-			err = -ENODEV;
-			goto ERROR2;
+			goto err_nodev;
 		}
 
-		val1 = w83781d_read_value(data, W83781D_REG_WCHIPID);
+		val1 = i2c_smbus_read_byte_data(client, W83781D_REG_WCHIPID);
 		if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond)
 			kind = w83781d;
 		else if (val1 == 0x30 && vendid == winbond)
@@ -1214,19 +1135,20 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
 				dev_warn(&adapter->dev, "Ignoring 'force' "
 					 "parameter for unknown chip at "
 					 "address 0x%02x\n", address);
-			err = -EINVAL;
-			goto ERROR2;
+			goto err_nodev;
 		}
 
 		if ((kind == w83781d || kind == w83782d)
 		 && w83781d_alias_detect(client, val1)) {
 			dev_dbg(&adapter->dev, "Device at 0x%02x appears to "
 				"be the same as ISA device\n", address);
-			err = -ENODEV;
-			goto ERROR2;
+			goto err_nodev;
 		}
 	}
 
+	if (isa)
+		mutex_unlock(&isa->update_lock);
+
 	if (kind == w83781d) {
 		client_name = "w83781d";
 	} else if (kind == w83782d) {
@@ -1237,24 +1159,46 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
 		client_name = "as99127f";
 	}
 
-	/* Fill in the remaining client fields and put into the global list */
-	strlcpy(client->name, client_name, I2C_NAME_SIZE);
-	data->type = kind;
+	strlcpy(info->type, client_name, I2C_NAME_SIZE);
 
-	/* Tell the I2C layer a new client has arrived */
-	if ((err = i2c_attach_client(client)))
-		goto ERROR2;
+	return 0;
+
+ err_nodev:
+	if (isa)
+		mutex_unlock(&isa->update_lock);
+	return -ENODEV;
+}
+
+static int
+w83781d_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	struct device *dev = &client->dev;
+	struct w83781d_data *data;
+	int err;
+
+	data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL);
+	if (!data) {
+		err = -ENOMEM;
+		goto ERROR1;
+	}
+
+	i2c_set_clientdata(client, data);
+	mutex_init(&data->lock);
+	mutex_init(&data->update_lock);
+
+	data->type = id->driver_data;
+	data->client = client;
 
 	/* attach secondary i2c lm75-like clients */
-	if ((err = w83781d_detect_subclients(adapter, address,
-			kind, client)))
+	err = w83781d_detect_subclients(client);
+	if (err)
 		goto ERROR3;
 
 	/* Initialize the chip */
 	w83781d_init_device(dev);
 
 	/* Register sysfs hooks */
-	err = w83781d_create_files(dev, kind, 0);
+	err = w83781d_create_files(dev, data->type, 0);
 	if (err)
 		goto ERROR4;
 
@@ -1270,45 +1214,35 @@ ERROR4:
 	sysfs_remove_group(&dev->kobj, &w83781d_group);
 	sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
 
-	if (data->lm75[1]) {
-		i2c_detach_client(data->lm75[1]);
-		kfree(data->lm75[1]);
-	}
-	if (data->lm75[0]) {
-		i2c_detach_client(data->lm75[0]);
-		kfree(data->lm75[0]);
-	}
+	if (data->lm75[0])
+		i2c_unregister_device(data->lm75[0]);
+	if (data->lm75[1])
+		i2c_unregister_device(data->lm75[1]);
 ERROR3:
-	i2c_detach_client(client);
-ERROR2:
+	i2c_set_clientdata(client, NULL);
 	kfree(data);
 ERROR1:
 	return err;
 }
 
 static int
-w83781d_detach_client(struct i2c_client *client)
+w83781d_remove(struct i2c_client *client)
 {
 	struct w83781d_data *data = i2c_get_clientdata(client);
-	int err;
+	struct device *dev = &client->dev;
 
-	/* main client */
-	if (data) {
-		hwmon_device_unregister(data->hwmon_dev);
-		sysfs_remove_group(&client->dev.kobj, &w83781d_group);
-		sysfs_remove_group(&client->dev.kobj, &w83781d_group_opt);
-	}
+	hwmon_device_unregister(data->hwmon_dev);
 
-	if ((err = i2c_detach_client(client)))
-		return err;
+	sysfs_remove_group(&dev->kobj, &w83781d_group);
+	sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
 
-	/* main client */
-	if (data)
-		kfree(data);
+	if (data->lm75[0])
+		i2c_unregister_device(data->lm75[0]);
+	if (data->lm75[1])
+		i2c_unregister_device(data->lm75[1]);
 
-	/* subclient */
-	else
-		kfree(client);
+	i2c_set_clientdata(client, NULL);
+	kfree(data);
 
 	return 0;
 }
@@ -1316,7 +1250,7 @@ w83781d_detach_client(struct i2c_client *client)
 static int
 w83781d_read_value_i2c(struct w83781d_data *data, u16 reg)
 {
-	struct i2c_client *client = &data->client;
+	struct i2c_client *client = data->client;
 	int res, bank;
 	struct i2c_client *cl;
 
@@ -1356,7 +1290,7 @@ w83781d_read_value_i2c(struct w83781d_data *data, u16 reg)
 static int
 w83781d_write_value_i2c(struct w83781d_data *data, u16 reg, u16 value)
 {
-	struct i2c_client *client = &data->client;
+	struct i2c_client *client = data->client;
 	int bank;
 	struct i2c_client *cl;
 
@@ -1493,7 +1427,7 @@ w83781d_init_device(struct device *dev)
 static struct w83781d_data *w83781d_update_device(struct device *dev)
 {
 	struct w83781d_data *data = dev_get_drvdata(dev);
-	struct i2c_client *client = &data->client;
+	struct i2c_client *client = data->client;
 	int i;
 
 	mutex_lock(&data->update_lock);
@@ -1606,6 +1540,30 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
 	return data;
 }
 
+static const struct i2c_device_id w83781d_ids[] = {
+	{ "w83781d", w83781d, },
+	{ "w83782d", w83782d, },
+	{ "w83783s", w83783s, },
+	{ "as99127f", as99127f },
+	{ /* LIST END */ }
+};
+MODULE_DEVICE_TABLE(i2c, w83781d_ids);
+
+static struct i2c_driver w83781d_driver = {
+	.class		= I2C_CLASS_HWMON,
+	.driver = {
+		.name = "w83781d",
+	},
+	.probe		= w83781d_probe,
+	.remove		= w83781d_remove,
+	.id_table	= w83781d_ids,
+	.detect		= w83781d_detect,
+	.address_data	= &addr_data,
+};
+
+/*
+ * ISA related code
+ */
 #ifdef CONFIG_ISA
 
 /* ISA device, if found */
@@ -1631,13 +1589,12 @@ static struct w83781d_data *w83781d_data_if_isa(void)
 /* Returns 1 if the I2C chip appears to be an alias of the ISA chip */
 static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
 {
-	struct w83781d_data *i2c, *isa;
+	struct w83781d_data *isa;
 	int i;
 
 	if (!pdev)	/* No ISA chip */
 		return 0;
 
-	i2c = i2c_get_clientdata(client);
 	isa = platform_get_drvdata(pdev);
 
 	if (w83781d_read_value(isa, W83781D_REG_I2C_ADDR) != client->addr)
@@ -1648,14 +1605,16 @@ static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
 	/* We compare all the limit registers, the config register and the
 	 * interrupt mask registers */
 	for (i = 0x2b; i <= 0x3d; i++) {
-		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+		if (w83781d_read_value(isa, i) !=
+		    i2c_smbus_read_byte_data(client, i))
 			return 0;
 	}
 	if (w83781d_read_value(isa, W83781D_REG_CONFIG) !=
-	    w83781d_read_value(i2c, W83781D_REG_CONFIG))
+	    i2c_smbus_read_byte_data(client, W83781D_REG_CONFIG))
 		return 0;
 	for (i = 0x43; i <= 0x46; i++) {
-		if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+		if (w83781d_read_value(isa, i) !=
+		    i2c_smbus_read_byte_data(client, i))
 			return 0;
 	}
 
@@ -1734,11 +1693,11 @@ w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value)
 static int
 w83781d_read_value(struct w83781d_data *data, u16 reg)
 {
-	struct i2c_client *client = &data->client;
+	struct i2c_client *client = data->client;
 	int res;
 
 	mutex_lock(&data->lock);
-	if (client->driver)
+	if (client)
 		res = w83781d_read_value_i2c(data, reg);
 	else
 		res = w83781d_read_value_isa(data, reg);
@@ -1749,10 +1708,10 @@ w83781d_read_value(struct w83781d_data *data, u16 reg)
 static int
 w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value)
 {
-	struct i2c_client *client = &data->client;
+	struct i2c_client *client = data->client;
 
 	mutex_lock(&data->lock);
-	if (client->driver)
+	if (client)
 		w83781d_write_value_i2c(data, reg, value);
 	else
 		w83781d_write_value_isa(data, reg, value);
-- 
GitLab


From ff92136131c66a51b820798067e53f05a8f36a24 Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@us.ibm.com>
Date: Fri, 17 Oct 2008 17:51:19 +0200
Subject: [PATCH 0899/2224] hwmon: (ibmpex) Automatically load on IBM systems
 via DMI

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/ibmpex.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c
index 4e9b19c6732..537d9fb2ff8 100644
--- a/drivers/hwmon/ibmpex.c
+++ b/drivers/hwmon/ibmpex.c
@@ -608,3 +608,9 @@ MODULE_LICENSE("GPL");
 
 module_init(ibmpex_init);
 module_exit(ibmpex_exit);
+
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3350-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3550-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3650-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3655-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3755-*");
-- 
GitLab


From 21d93c14b32f1d74ebed09caca7d6c10cf3f952e Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@us.ibm.com>
Date: Fri, 17 Oct 2008 17:51:19 +0200
Subject: [PATCH 0900/2224] hwmon: (ibmaem) Automatically load on IBM systems
 via DMI

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/ibmaem.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c
index 0f70dc20410..7b0ed5dea39 100644
--- a/drivers/hwmon/ibmaem.c
+++ b/drivers/hwmon/ibmaem.c
@@ -1118,3 +1118,10 @@ MODULE_LICENSE("GPL");
 
 module_init(aem_init);
 module_exit(aem_exit);
+
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3350-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3550-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3650-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3655-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBMSystemx3755-*");
+MODULE_ALIAS("dmi:bvnIBM:*:pnIBM3850M2/x3950M2-*");
-- 
GitLab


From d664a4809e73c878a43607d584b2e2b60fd07468 Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <djwong@us.ibm.com>
Date: Fri, 17 Oct 2008 17:51:20 +0200
Subject: [PATCH 0901/2224] hwmon: (adt7470) Add documentation

Add at least the bare minimum of documentation for this chip.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/adt7470 | 76 +++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 Documentation/hwmon/adt7470

diff --git a/Documentation/hwmon/adt7470 b/Documentation/hwmon/adt7470
new file mode 100644
index 00000000000..75d13ca147c
--- /dev/null
+++ b/Documentation/hwmon/adt7470
@@ -0,0 +1,76 @@
+Kernel driver adt7470
+=====================
+
+Supported chips:
+  * Analog Devices ADT7470
+    Prefix: 'adt7470'
+    Addresses scanned: I2C 0x2C, 0x2E, 0x2F
+    Datasheet: Publicly available at the Analog Devices website
+
+Author: Darrick J. Wong
+
+Description
+-----------
+
+This driver implements support for the Analog Devices ADT7470 chip.  There may
+be other chips that implement this interface.
+
+The ADT7470 uses the 2-wire interface compatible with the SMBus 2.0
+specification. Using an analog to digital converter it measures up to ten (10)
+external temperatures. It has four (4) 16-bit counters for measuring fan speed.
+There are four (4) PWM outputs that can be used to control fan speed.
+
+A sophisticated control system for the PWM outputs is designed into the ADT7470
+that allows fan speed to be adjusted automatically based on any of the ten
+temperature sensors. Each PWM output is individually adjustable and
+programmable. Once configured, the ADT7470 will adjust the PWM outputs in
+response to the measured temperatures with further host intervention.  This
+feature can also be disabled for manual control of the PWM's.
+
+Each of the measured inputs (temperature, fan speed) has corresponding high/low
+limit values. The ADT7470 will signal an ALARM if any measured value exceeds
+either limit.
+
+The ADT7470 DOES NOT sample all inputs continuously.  A single pin on the
+ADT7470 is connected to a multitude of thermal diodes, but the chip must be
+instructed explicitly to read the multitude of diodes.  If you want to use
+automatic fan control mode, you must manually read any of the temperature
+sensors or the fan control algorithm will not run.  The chip WILL NOT DO THIS
+AUTOMATICALLY; this must be done from userspace.  This may be a bug in the chip
+design, given that many other AD chips take care of this.  The driver will not
+read the registers more often than once every 5 seconds.  Further,
+configuration data is only read once per minute.
+
+Special Features
+----------------
+
+The ADT7470 has a 8-bit ADC and is capable of measuring temperatures with 1
+degC resolution.
+
+The Analog Devices datasheet is very detailed and describes a procedure for
+determining an optimal configuration for the automatic PWM control.
+
+Configuration Notes
+-------------------
+
+Besides standard interfaces driver adds the following:
+
+* PWM Control
+
+* pwm#_auto_point1_pwm and pwm#_auto_point1_temp and
+* pwm#_auto_point2_pwm and pwm#_auto_point2_temp -
+
+point1: Set the pwm speed at a lower temperature bound.
+point2: Set the pwm speed at a higher temperature bound.
+
+The ADT7470 will scale the pwm between the lower and higher pwm speed when
+the temperature is between the two temperature boundaries.  PWM values range
+from 0 (off) to 255 (full speed).  Fan speed will be set to maximum when the
+temperature sensor associated with the PWM control exceeds
+pwm#_auto_point2_temp.
+
+Notes
+-----
+
+As stated above, the temperature inputs must be read periodically from
+userspace in order for the automatic pwm algorithm to run.
-- 
GitLab


From 366716e6aabfb6f7c65525cc1637e035bfaf422d Mon Sep 17 00:00:00 2001
From: Corentin Labbe <corentin.labbe@geomatys.fr>
Date: Fri, 17 Oct 2008 17:51:20 +0200
Subject: [PATCH 0902/2224] hwmon: (adm1029) Use mask for fan_div value

This is my patch for testing correct values of fan div in adm1029 and
prevent a division by 0 for some (unlikely) register values.

Signed-off-by: Corentin Labbe <corentin.labbe@geomatys.fr>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/hwmon/adm1029.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c
index ba84ca5923f..36718150b47 100644
--- a/drivers/hwmon/adm1029.c
+++ b/drivers/hwmon/adm1029.c
@@ -179,7 +179,8 @@ show_fan(struct device *dev, struct device_attribute *devattr, char *buf)
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm1029_data *data = adm1029_update_device(dev);
 	u16 val;
-	if (data->fan[attr->index] == 0 || data->fan_div[attr->index] == 0
+	if (data->fan[attr->index] == 0
+	    || (data->fan_div[attr->index] & 0xC0) == 0
 	    || data->fan[attr->index] == 255) {
 		return sprintf(buf, "0\n");
 	}
@@ -194,7 +195,7 @@ show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm1029_data *data = adm1029_update_device(dev);
-	if (data->fan_div[attr->index] == 0)
+	if ((data->fan_div[attr->index] & 0xC0) == 0)
 		return sprintf(buf, "0\n");
 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
 }
-- 
GitLab


From 885fe4b1f621fa2c8499e222059b59dbc98583e2 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:20 +0200
Subject: [PATCH 0903/2224] hwmon: (adm1026) Fix debug messages

* Add missing new-line to one debug message.
* Remove leading colon from 3 debug messages.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Philip Pokorny <ppokorny@penguincomputing.com>
---
 drivers/hwmon/adm1026.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 7fe2441fc84..546be058879 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -455,7 +455,7 @@ static void adm1026_print_gpio(struct i2c_client *client)
 	struct adm1026_data *data = i2c_get_clientdata(client);
 	int i;
 
-	dev_dbg(&client->dev, "GPIO config is:");
+	dev_dbg(&client->dev, "GPIO config is:\n");
 	for (i = 0;i <= 7;++i) {
 		if (data->config2 & (1 << i)) {
 			dev_dbg(&client->dev, "\t%sGP%s%d\n",
@@ -1681,17 +1681,16 @@ static int adm1026_detect(struct i2c_client *client, int kind,
 			kind = adm1026;
 		} else if (company == ADM1026_COMPANY_ANALOG_DEV
 			&& (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
-			dev_err(&adapter->dev, ": Unrecognized stepping "
+			dev_err(&adapter->dev, "Unrecognized stepping "
 				"0x%02x. Defaulting to ADM1026.\n", verstep);
 			kind = adm1026;
 		} else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
-			dev_err(&adapter->dev, ": Found version/stepping "
+			dev_err(&adapter->dev, "Found version/stepping "
 				"0x%02x. Assuming generic ADM1026.\n",
 				verstep);
 			kind = any_chip;
 		} else {
-			dev_dbg(&adapter->dev, ": Autodetection "
-				"failed\n");
+			dev_dbg(&adapter->dev, "Autodetection failed\n");
 			/* Not an ADM1026 ... */
 			if (kind == 0) { /* User used force=x,y */
 				dev_err(&adapter->dev, "Generic ADM1026 not "
-- 
GitLab


From a0cf354a71bd2969b2f1868530d3fecaebd6dc3d Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Fri, 17 Oct 2008 17:51:20 +0200
Subject: [PATCH 0904/2224] hwmon: (adm1026) Prevent log spamming

When debugging is enabled, the adm1026 driver currently logs the
message "Setting VID from GPIO11-15" 108 times each time you run
"sensors". Once should be enough.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Philip Pokorny <ppokorny@penguincomputing.com>
---
 drivers/hwmon/adm1026.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 546be058879..ff7de40b6e3 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -279,7 +279,6 @@ struct adm1026_data {
 	u8 fan_min[8];		/* Register value */
 	u8 fan_div[8];		/* Decoded value */
 	struct pwm_data pwm1;	/* Pwm control values */
-	int vid;		/* Decoded value */
 	u8 vrm;			/* VRM version */
 	u8 analog_out;		/* Register value (DAC) */
 	long alarms;		/* Register encoding, combined */
@@ -697,8 +696,6 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
 		data->last_config = jiffies;
 	}; /* last_config */
 
-	dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
-	data->vid = (data->gpio >> 11) & 0x1f;
 	data->valid = 1;
 	mutex_unlock(&data->update_lock);
 	return data;
@@ -1215,7 +1212,10 @@ static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg,
 static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct adm1026_data *data = adm1026_update_device(dev);
-	return sprintf(buf, "%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
+	int vid = (data->gpio >> 11) & 0x1f;
+
+	dev_dbg(dev, "Setting VID from GPIO11-15.\n");
+	return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
 }
 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
 
-- 
GitLab


From 992b3f1dbeec401e19a80bdb8c81e5df5381f4c5 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 13 Oct 2008 18:45:25 -0500
Subject: [PATCH 0905/2224] 9p-trans_fd: use single poller

trans_fd used pool of upto 100 pollers to monitor the r/w fds.  The
approach makes sense in userspace back when the only available
interfaces were poll(2) and select(2).  As each event monitor -
trigger - handling iteration took O(n) where `n' is the number of
watched fds, it makes sense to spread them to many pollers such that
the `n' can be divided by the number of pollers.  However, this
doesn't make any sense in kernel because persistent edge triggered
event monitoring is how the whole thing is implemented in the kernel
in the first place.

This patch converts trans_fd to use single poller which watches all
the fds instead of the poll of pollers approach.  All the fds are
registered for monitoring on creation and only the fds with pending
events are scanned when something happens much like how epoll is
implemented.

This change makes trans_fd fd monitoring more efficient and simpler.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/trans_fd.c | 252 ++++++++++++++++------------------------------
 1 file changed, 86 insertions(+), 166 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 6dabbdb6665..f8459234557 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -44,7 +44,6 @@
 #define P9_PORT 564
 #define MAX_SOCK_BUF (64*1024)
 #define ERREQFLUSH	1
-#define SCHED_TIMEOUT	10
 #define MAXPOLLWADDR	2
 
 /**
@@ -135,17 +134,16 @@ struct p9_req {
 	struct list_head req_list;
 };
 
-struct p9_mux_poll_task {
-	struct task_struct *task;
-	struct list_head mux_list;
-	int muxnum;
+struct p9_poll_wait {
+	struct p9_conn *conn;
+	wait_queue_t wait;
+	wait_queue_head_t *wait_addr;
 };
 
 /**
  * struct p9_conn - fd mux connection state information
  * @lock: protects mux_list (?)
  * @mux_list: list link for mux to manage multiple connections (?)
- * @poll_task: task polling on this connection
  * @msize: maximum size for connection (dup)
  * @extended: 9p2000.u flag (dup)
  * @trans: reference to transport instance for this connection
@@ -171,7 +169,6 @@ struct p9_mux_poll_task {
 struct p9_conn {
 	spinlock_t lock; /* protect lock structure */
 	struct list_head mux_list;
-	struct p9_mux_poll_task *poll_task;
 	int msize;
 	unsigned char extended;
 	struct p9_trans *trans;
@@ -185,8 +182,8 @@ struct p9_conn {
 	int wpos;
 	int wsize;
 	char *wbuf;
-	wait_queue_t poll_wait[MAXPOLLWADDR];
-	wait_queue_head_t *poll_waddr[MAXPOLLWADDR];
+	struct list_head poll_pending_link;
+	struct p9_poll_wait poll_wait[MAXPOLLWADDR];
 	poll_table pt;
 	struct work_struct rq;
 	struct work_struct wq;
@@ -220,12 +217,10 @@ static void p9_pollwait(struct file *filp, wait_queue_head_t *wait_address,
 static int p9_fd_write(struct p9_trans *trans, void *v, int len);
 static int p9_fd_read(struct p9_trans *trans, void *v, int len);
 
-static DEFINE_MUTEX(p9_mux_task_lock);
+static DEFINE_SPINLOCK(p9_poll_lock);
+static LIST_HEAD(p9_poll_pending_list);
 static struct workqueue_struct *p9_mux_wq;
-
-static int p9_mux_num;
-static int p9_mux_poll_task_num;
-static struct p9_mux_poll_task p9_mux_poll_tasks[100];
+static struct task_struct *p9_poll_task;
 
 static void p9_conn_destroy(struct p9_conn *);
 static unsigned int p9_fd_poll(struct p9_trans *trans,
@@ -255,130 +250,23 @@ static void p9_mux_put_tag(struct p9_conn *m, u16 tag)
 		p9_idpool_put(tag, m->tagpool);
 }
 
-/**
- * p9_mux_calc_poll_procs - calculates the number of polling procs
- * @muxnum: number of mounts
- *
- * Calculation is based on the number of mounted v9fs filesystems.
- * The current implementation returns sqrt of the number of mounts.
- */
-
-static int p9_mux_calc_poll_procs(int muxnum)
-{
-	int n;
-
-	if (p9_mux_poll_task_num)
-		n = muxnum / p9_mux_poll_task_num +
-		    (muxnum % p9_mux_poll_task_num ? 1 : 0);
-	else
-		n = 1;
-
-	if (n > ARRAY_SIZE(p9_mux_poll_tasks))
-		n = ARRAY_SIZE(p9_mux_poll_tasks);
-
-	return n;
-}
-
-static int p9_mux_poll_start(struct p9_conn *m)
+static void p9_mux_poll_stop(struct p9_conn *m)
 {
-	int i, n;
-	struct p9_mux_poll_task *vpt, *vptlast;
-	struct task_struct *pproc;
-
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p muxnum %d procnum %d\n", m, p9_mux_num,
-		p9_mux_poll_task_num);
-	mutex_lock(&p9_mux_task_lock);
-
-	n = p9_mux_calc_poll_procs(p9_mux_num + 1);
-	if (n > p9_mux_poll_task_num) {
-		for (i = 0; i < ARRAY_SIZE(p9_mux_poll_tasks); i++) {
-			if (p9_mux_poll_tasks[i].task == NULL) {
-				vpt = &p9_mux_poll_tasks[i];
-				P9_DPRINTK(P9_DEBUG_MUX, "create proc %p\n",
-									vpt);
-				pproc = kthread_create(p9_poll_proc, vpt,
-								"v9fs-poll");
-
-				if (!IS_ERR(pproc)) {
-					vpt->task = pproc;
-					INIT_LIST_HEAD(&vpt->mux_list);
-					vpt->muxnum = 0;
-					p9_mux_poll_task_num++;
-					wake_up_process(vpt->task);
-				}
-				break;
-			}
-		}
-
-		if (i >= ARRAY_SIZE(p9_mux_poll_tasks))
-			P9_DPRINTK(P9_DEBUG_ERROR,
-					"warning: no free poll slots\n");
-	}
+	unsigned long flags;
+	int i;
 
-	n = (p9_mux_num + 1) / p9_mux_poll_task_num +
-	    ((p9_mux_num + 1) % p9_mux_poll_task_num ? 1 : 0);
-
-	vptlast = NULL;
-	for (i = 0; i < ARRAY_SIZE(p9_mux_poll_tasks); i++) {
-		vpt = &p9_mux_poll_tasks[i];
-		if (vpt->task != NULL) {
-			vptlast = vpt;
-			if (vpt->muxnum < n) {
-				P9_DPRINTK(P9_DEBUG_MUX, "put in proc %d\n", i);
-				list_add(&m->mux_list, &vpt->mux_list);
-				vpt->muxnum++;
-				m->poll_task = vpt;
-				memset(&m->poll_waddr, 0,
-							sizeof(m->poll_waddr));
-				init_poll_funcptr(&m->pt, p9_pollwait);
-				break;
-			}
-		}
-	}
+	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
+		struct p9_poll_wait *pwait = &m->poll_wait[i];
 
-	if (i >= ARRAY_SIZE(p9_mux_poll_tasks)) {
-		if (vptlast == NULL) {
-			mutex_unlock(&p9_mux_task_lock);
-			return -ENOMEM;
+		if (pwait->wait_addr) {
+			remove_wait_queue(pwait->wait_addr, &pwait->wait);
+			pwait->wait_addr = NULL;
 		}
-
-		P9_DPRINTK(P9_DEBUG_MUX, "put in proc %d\n", i);
-		list_add(&m->mux_list, &vptlast->mux_list);
-		vptlast->muxnum++;
-		m->poll_task = vptlast;
-		memset(&m->poll_waddr, 0, sizeof(m->poll_waddr));
-		init_poll_funcptr(&m->pt, p9_pollwait);
 	}
 
-	p9_mux_num++;
-	mutex_unlock(&p9_mux_task_lock);
-
-	return 0;
-}
-
-static void p9_mux_poll_stop(struct p9_conn *m)
-{
-	int i;
-	struct p9_mux_poll_task *vpt;
-
-	mutex_lock(&p9_mux_task_lock);
-	vpt = m->poll_task;
-	list_del(&m->mux_list);
-	for (i = 0; i < ARRAY_SIZE(m->poll_waddr); i++) {
-		if (m->poll_waddr[i] != NULL) {
-			remove_wait_queue(m->poll_waddr[i], &m->poll_wait[i]);
-			m->poll_waddr[i] = NULL;
-		}
-	}
-	vpt->muxnum--;
-	if (!vpt->muxnum) {
-		P9_DPRINTK(P9_DEBUG_MUX, "destroy proc %p\n", vpt);
-		kthread_stop(vpt->task);
-		vpt->task = NULL;
-		p9_mux_poll_task_num--;
-	}
-	p9_mux_num--;
-	mutex_unlock(&p9_mux_task_lock);
+	spin_lock_irqsave(&p9_poll_lock, flags);
+	list_del_init(&m->poll_pending_link);
+	spin_unlock_irqrestore(&p9_poll_lock, flags);
 }
 
 /**
@@ -414,11 +302,8 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
 	INIT_LIST_HEAD(&m->unsent_req_list);
 	INIT_WORK(&m->rq, p9_read_work);
 	INIT_WORK(&m->wq, p9_write_work);
-	n = p9_mux_poll_start(m);
-	if (n) {
-		kfree(m);
-		return ERR_PTR(n);
-	}
+	INIT_LIST_HEAD(&m->poll_pending_link);
+	init_poll_funcptr(&m->pt, p9_pollwait);
 
 	n = p9_fd_poll(trans, &m->pt);
 	if (n & POLLIN) {
@@ -431,11 +316,12 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
 		set_bit(Wpending, &m->wsched);
 	}
 
-	for (i = 0; i < ARRAY_SIZE(m->poll_waddr); i++) {
-		if (IS_ERR(m->poll_waddr[i])) {
+	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
+		if (IS_ERR(m->poll_wait[i].wait_addr)) {
 			p9_mux_poll_stop(m);
 			kfree(m);
-			return (void *)m->poll_waddr;	/* the error code */
+			/* return the error code */
+			return (void *)m->poll_wait[i].wait_addr;
 		}
 	}
 
@@ -464,6 +350,23 @@ static void p9_conn_destroy(struct p9_conn *m)
 	kfree(m);
 }
 
+static int p9_pollwake(wait_queue_t *wait, unsigned mode, int sync, void *key)
+{
+	struct p9_poll_wait *pwait =
+		container_of(wait, struct p9_poll_wait, wait);
+	struct p9_conn *m = pwait->conn;
+	unsigned long flags;
+	DECLARE_WAITQUEUE(dummy_wait, p9_poll_task);
+
+	spin_lock_irqsave(&p9_poll_lock, flags);
+	if (list_empty(&m->poll_pending_link))
+		list_add_tail(&m->poll_pending_link, &p9_poll_pending_list);
+	spin_unlock_irqrestore(&p9_poll_lock, flags);
+
+	/* perform the default wake up operation */
+	return default_wake_function(&dummy_wait, mode, sync, key);
+}
+
 /**
  * p9_pollwait - add poll task to the wait queue
  * @filp: file pointer being polled
@@ -476,29 +379,32 @@ static void p9_conn_destroy(struct p9_conn *m)
 static void
 p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
 {
+	struct p9_conn *m = container_of(p, struct p9_conn, pt);
+	struct p9_poll_wait *pwait = NULL;
 	int i;
-	struct p9_conn *m;
 
-	m = container_of(p, struct p9_conn, pt);
-	for (i = 0; i < ARRAY_SIZE(m->poll_waddr); i++)
-		if (m->poll_waddr[i] == NULL)
+	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
+		if (m->poll_wait[i].wait_addr == NULL) {
+			pwait = &m->poll_wait[i];
 			break;
+		}
+	}
 
-	if (i >= ARRAY_SIZE(m->poll_waddr)) {
+	if (!pwait) {
 		P9_DPRINTK(P9_DEBUG_ERROR, "not enough wait_address slots\n");
 		return;
 	}
 
-	m->poll_waddr[i] = wait_address;
-
 	if (!wait_address) {
 		P9_DPRINTK(P9_DEBUG_ERROR, "no wait_address\n");
-		m->poll_waddr[i] = ERR_PTR(-EIO);
+		pwait->wait_addr = ERR_PTR(-EIO);
 		return;
 	}
 
-	init_waitqueue_entry(&m->poll_wait[i], m->poll_task->task);
-	add_wait_queue(wait_address, &m->poll_wait[i]);
+	pwait->conn = m;
+	pwait->wait_addr = wait_address;
+	init_waitqueue_func_entry(&pwait->wait, p9_pollwake);
+	add_wait_queue(wait_address, &pwait->wait);
 }
 
 /**
@@ -553,23 +459,34 @@ static void p9_poll_mux(struct p9_conn *m)
 
 static int p9_poll_proc(void *a)
 {
-	struct p9_conn *m, *mtmp;
-	struct p9_mux_poll_task *vpt;
+	unsigned long flags;
 
-	vpt = a;
-	P9_DPRINTK(P9_DEBUG_MUX, "start %p %p\n", current, vpt);
-	while (!kthread_should_stop()) {
-		set_current_state(TASK_INTERRUPTIBLE);
+	P9_DPRINTK(P9_DEBUG_MUX, "start %p\n", current);
+ repeat:
+	spin_lock_irqsave(&p9_poll_lock, flags);
+	while (!list_empty(&p9_poll_pending_list)) {
+		struct p9_conn *conn = list_first_entry(&p9_poll_pending_list,
+							struct p9_conn,
+							poll_pending_link);
+		list_del_init(&conn->poll_pending_link);
+		spin_unlock_irqrestore(&p9_poll_lock, flags);
 
-		list_for_each_entry_safe(m, mtmp, &vpt->mux_list, mux_list) {
-			p9_poll_mux(m);
-		}
+		p9_poll_mux(conn);
 
-		P9_DPRINTK(P9_DEBUG_MUX, "sleeping...\n");
-		schedule_timeout(SCHED_TIMEOUT * HZ);
+		spin_lock_irqsave(&p9_poll_lock, flags);
 	}
+	spin_unlock_irqrestore(&p9_poll_lock, flags);
 
+	set_current_state(TASK_INTERRUPTIBLE);
+	if (list_empty(&p9_poll_pending_list)) {
+		P9_DPRINTK(P9_DEBUG_MUX, "sleeping...\n");
+		schedule();
+	}
 	__set_current_state(TASK_RUNNING);
+
+	if (!kthread_should_stop())
+		goto repeat;
+
 	P9_DPRINTK(P9_DEBUG_MUX, "finish\n");
 	return 0;
 }
@@ -1602,17 +1519,19 @@ static struct p9_trans_module p9_fd_trans = {
 
 int p9_trans_fd_init(void)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(p9_mux_poll_tasks); i++)
-		p9_mux_poll_tasks[i].task = NULL;
-
 	p9_mux_wq = create_workqueue("v9fs");
 	if (!p9_mux_wq) {
 		printk(KERN_WARNING "v9fs: mux: creating workqueue failed\n");
 		return -ENOMEM;
 	}
 
+	p9_poll_task = kthread_run(p9_poll_proc, NULL, "v9fs-poll");
+	if (IS_ERR(p9_poll_task)) {
+		destroy_workqueue(p9_mux_wq);
+		printk(KERN_WARNING "v9fs: mux: creating poll task failed\n");
+		return PTR_ERR(p9_poll_task);
+	}
+
 	v9fs_register_trans(&p9_tcp_trans);
 	v9fs_register_trans(&p9_unix_trans);
 	v9fs_register_trans(&p9_fd_trans);
@@ -1622,6 +1541,7 @@ int p9_trans_fd_init(void)
 
 void p9_trans_fd_exit(void)
 {
+	kthread_stop(p9_poll_task);
 	v9fs_unregister_trans(&p9_tcp_trans);
 	v9fs_unregister_trans(&p9_unix_trans);
 	v9fs_unregister_trans(&p9_fd_trans);
-- 
GitLab


From 8b81ef589ad1483dd977ef47fe00d4ce4d91a0ab Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com>
Date: Mon, 13 Oct 2008 18:45:25 -0500
Subject: [PATCH 0906/2224] 9p: consolidate transport structure

Right now there is a transport module structure which provides per-transport
type functions and data and a transport structure which contains per-instance
public data as well as function pointers to instance specific functions.

This patch moves public transport visible instance data to the client
structure (which in some cases had duplicate data) and consolidates the
functions into the transport module structure.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/v9fs.c               |   2 +-
 include/net/9p/client.h    |  19 +++-
 include/net/9p/transport.h |  55 ++--------
 net/9p/client.c            |  21 ++--
 net/9p/mod.c               |   1 +
 net/9p/trans_fd.c          | 205 +++++++++++++++++--------------------
 net/9p/trans_virtio.c      |  50 ++++-----
 7 files changed, 146 insertions(+), 207 deletions(-)

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index c061c3f18e7..b6b85cf01e0 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -30,8 +30,8 @@
 #include <linux/parser.h>
 #include <linux/idr.h>
 #include <net/9p/9p.h>
-#include <net/9p/transport.h>
 #include <net/9p/client.h>
+#include <net/9p/transport.h>
 #include "v9fs.h"
 #include "v9fs_vfs.h"
 
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index c936dd14de4..c35fb548e7c 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -26,6 +26,22 @@
 #ifndef NET_9P_CLIENT_H
 #define NET_9P_CLIENT_H
 
+/**
+ * enum p9_trans_status - different states of underlying transports
+ * @Connected: transport is connected and healthy
+ * @Disconnected: transport has been disconnected
+ * @Hung: transport is connected by wedged
+ *
+ * This enumeration details the various states a transport
+ * instatiation can be in.
+ */
+
+enum p9_trans_status {
+	Connected,
+	Disconnected,
+	Hung,
+};
+
 /**
  * struct p9_client - per client instance state
  * @lock: protect @fidlist
@@ -48,7 +64,8 @@ struct p9_client {
 	int msize;
 	unsigned char dotu;
 	struct p9_trans_module *trans_mod;
-	struct p9_trans *trans;
+	enum p9_trans_status status;
+	void *trans;
 	struct p9_conn *conn;
 
 	struct p9_idpool *fidpool;
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index 3ca737120a9..3e0f2f6beba 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -26,52 +26,6 @@
 #ifndef NET_9P_TRANSPORT_H
 #define NET_9P_TRANSPORT_H
 
-#include <linux/module.h>
-
-/**
- * enum p9_trans_status - different states of underlying transports
- * @Connected: transport is connected and healthy
- * @Disconnected: transport has been disconnected
- * @Hung: transport is connected by wedged
- *
- * This enumeration details the various states a transport
- * instatiation can be in.
- */
-
-enum p9_trans_status {
-	Connected,
-	Disconnected,
-	Hung,
-};
-
-/**
- * struct p9_trans - per-transport state and API
- * @status: transport &p9_trans_status
- * @msize: negotiated maximum packet size (duplicate from client)
- * @extended: negotiated protocol extensions (duplicate from client)
- * @priv: transport private data
- * @close: member function to disconnect and close the transport
- * @rpc: member function to issue a request to the transport
- *
- * This is the basic API for a transport instance.  It is used as
- * a handle by the client to issue requests.  This interface is currently
- * in flux during reorganization.
- *
- * Bugs: there is lots of duplicated data here and its not clear that
- * the member functions need to be per-instance versus per transport
- * module.
- */
-
-struct p9_trans {
-	enum p9_trans_status status;
-	int msize;
-	unsigned char extended;
-	void *priv;
-	void (*close) (struct p9_trans *);
-	int (*rpc) (struct p9_trans *t, struct p9_fcall *tc,
-							struct p9_fcall **rc);
-};
-
 /**
  * struct p9_trans_module - transport module interface
  * @list: used to maintain a list of currently available transports
@@ -79,12 +33,14 @@ struct p9_trans {
  * @maxsize: transport provided maximum packet size
  * @def: set if this transport should be considered the default
  * @create: member function to create a new connection on this transport
+ * @close: member function to disconnect and close the transport
+ * @rpc: member function to issue a request to the transport
  *
  * This is the basic API for a transport module which is registered by the
  * transport module with the 9P core network module and used by the client
  * to instantiate a new connection on a transport.
  *
- * Bugs: the transport module list isn't protected.
+ * BUGS: the transport module list isn't protected.
  */
 
 struct p9_trans_module {
@@ -92,8 +48,11 @@ struct p9_trans_module {
 	char *name;		/* name of transport */
 	int maxsize;		/* max message size of transport */
 	int def;		/* this transport should be default */
-	struct p9_trans * (*create)(const char *, char *, int, unsigned char);
 	struct module *owner;
+	int (*create)(struct p9_client *, const char *, char *);
+	void (*close) (struct p9_client *);
+	int (*rpc) (struct p9_client *t, struct p9_fcall *tc,
+							struct p9_fcall **rc);
 };
 
 void v9fs_register_trans(struct p9_trans_module *m);
diff --git a/net/9p/client.c b/net/9p/client.c
index e053e06028a..f1a52a7ed72 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -33,8 +33,8 @@
 #include <linux/uaccess.h>
 #include <net/9p/9p.h>
 #include <linux/parser.h>
-#include <net/9p/transport.h>
 #include <net/9p/client.h>
+#include <net/9p/transport.h>
 
 static struct p9_fid *p9_fid_create(struct p9_client *clnt);
 static void p9_fid_destroy(struct p9_fid *fid);
@@ -136,7 +136,7 @@ int
 p9_client_rpc(struct p9_client *c, struct p9_fcall *tc,
 	struct p9_fcall **rc)
 {
-	return c->trans->rpc(c->trans, tc, rc);
+	return c->trans_mod->rpc(c, tc, rc);
 }
 
 struct p9_client *p9_client_create(const char *dev_name, char *options)
@@ -179,13 +179,9 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
 		clnt, clnt->trans_mod, clnt->msize, clnt->dotu);
 
 
-	clnt->trans = clnt->trans_mod->create(dev_name, options, clnt->msize,
-								clnt->dotu);
-	if (IS_ERR(clnt->trans)) {
-		err = PTR_ERR(clnt->trans);
-		clnt->trans = NULL;
+	err = clnt->trans_mod->create(clnt, dev_name, options);
+	if (err)
 		goto error;
-	}
 
 	if ((clnt->msize+P9_IOHDRSZ) > clnt->trans_mod->maxsize)
 		clnt->msize = clnt->trans_mod->maxsize-P9_IOHDRSZ;
@@ -233,11 +229,8 @@ void p9_client_destroy(struct p9_client *clnt)
 
 	P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt);
 
-	if (clnt->trans) {
-		clnt->trans->close(clnt->trans);
-		kfree(clnt->trans);
-		clnt->trans = NULL;
-	}
+	if (clnt->trans_mod)
+		clnt->trans_mod->close(clnt);
 
 	v9fs_put_trans(clnt->trans_mod);
 
@@ -254,7 +247,7 @@ EXPORT_SYMBOL(p9_client_destroy);
 void p9_client_disconnect(struct p9_client *clnt)
 {
 	P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt);
-	clnt->trans->status = Disconnected;
+	clnt->status = Disconnected;
 }
 EXPORT_SYMBOL(p9_client_disconnect);
 
diff --git a/net/9p/mod.c b/net/9p/mod.c
index 1084feb24cb..cf8a4128cd5 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -29,6 +29,7 @@
 #include <net/9p/9p.h>
 #include <linux/fs.h>
 #include <linux/parser.h>
+#include <net/9p/client.h>
 #include <net/9p/transport.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index f8459234557..d09389f0838 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -39,6 +39,7 @@
 #include <linux/file.h>
 #include <linux/parser.h>
 #include <net/9p/9p.h>
+#include <net/9p/client.h>
 #include <net/9p/transport.h>
 
 #define P9_PORT 564
@@ -146,7 +147,7 @@ struct p9_poll_wait {
  * @mux_list: list link for mux to manage multiple connections (?)
  * @msize: maximum size for connection (dup)
  * @extended: 9p2000.u flag (dup)
- * @trans: reference to transport instance for this connection
+ * @client: reference to client instance for this connection
  * @tagpool: id accounting for transactions
  * @err: error state
  * @req_list: accounting for requests which have been sent
@@ -171,7 +172,7 @@ struct p9_conn {
 	struct list_head mux_list;
 	int msize;
 	unsigned char extended;
-	struct p9_trans *trans;
+	struct p9_client *client;
 	struct p9_idpool *tagpool;
 	int err;
 	struct list_head req_list;
@@ -214,8 +215,8 @@ static void p9_read_work(struct work_struct *work);
 static void p9_write_work(struct work_struct *work);
 static void p9_pollwait(struct file *filp, wait_queue_head_t *wait_address,
 								poll_table *p);
-static int p9_fd_write(struct p9_trans *trans, void *v, int len);
-static int p9_fd_read(struct p9_trans *trans, void *v, int len);
+static int p9_fd_write(struct p9_client *client, void *v, int len);
+static int p9_fd_read(struct p9_client *client, void *v, int len);
 
 static DEFINE_SPINLOCK(p9_poll_lock);
 static LIST_HEAD(p9_poll_pending_list);
@@ -223,7 +224,7 @@ static struct workqueue_struct *p9_mux_wq;
 static struct task_struct *p9_poll_task;
 
 static void p9_conn_destroy(struct p9_conn *);
-static unsigned int p9_fd_poll(struct p9_trans *trans,
+static unsigned int p9_fd_poll(struct p9_client *client,
 						struct poll_table_struct *pt);
 
 #ifdef P9_NONBLOCK
@@ -271,27 +272,26 @@ static void p9_mux_poll_stop(struct p9_conn *m)
 
 /**
  * p9_conn_create - allocate and initialize the per-session mux data
- * @trans: transport structure
+ * @client: client instance
  *
  * Note: Creates the polling task if this is the first session.
  */
 
-static struct p9_conn *p9_conn_create(struct p9_trans *trans)
+static struct p9_conn *p9_conn_create(struct p9_client *client)
 {
 	int i, n;
 	struct p9_conn *m;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "transport %p msize %d\n", trans,
-								trans->msize);
+	P9_DPRINTK(P9_DEBUG_MUX, "client %p msize %d\n", client, client->msize);
 	m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL);
 	if (!m)
 		return ERR_PTR(-ENOMEM);
 
 	spin_lock_init(&m->lock);
 	INIT_LIST_HEAD(&m->mux_list);
-	m->msize = trans->msize;
-	m->extended = trans->extended;
-	m->trans = trans;
+	m->msize = client->msize;
+	m->extended = client->dotu;
+	m->client = client;
 	m->tagpool = p9_idpool_create();
 	if (IS_ERR(m->tagpool)) {
 		kfree(m);
@@ -305,7 +305,7 @@ static struct p9_conn *p9_conn_create(struct p9_trans *trans)
 	INIT_LIST_HEAD(&m->poll_pending_link);
 	init_poll_funcptr(&m->pt, p9_pollwait);
 
-	n = p9_fd_poll(trans, &m->pt);
+	n = p9_fd_poll(client, &m->pt);
 	if (n & POLLIN) {
 		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can read\n", m);
 		set_bit(Rpending, &m->wsched);
@@ -345,7 +345,7 @@ static void p9_conn_destroy(struct p9_conn *m)
 
 	p9_conn_cancel(m, -ECONNRESET);
 
-	m->trans = NULL;
+	m->client = NULL;
 	p9_idpool_destroy(m->tagpool);
 	kfree(m);
 }
@@ -420,7 +420,7 @@ static void p9_poll_mux(struct p9_conn *m)
 	if (m->err < 0)
 		return;
 
-	n = p9_fd_poll(m->trans, NULL);
+	n = p9_fd_poll(m->client, NULL);
 	if (n < 0 || n & (POLLERR | POLLHUP | POLLNVAL)) {
 		P9_DPRINTK(P9_DEBUG_MUX, "error mux %p err %d\n", m, n);
 		if (n >= 0)
@@ -533,7 +533,7 @@ again:
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p pos %d size %d\n", m, m->wpos,
 								m->wsize);
 	clear_bit(Wpending, &m->wsched);
-	err = p9_fd_write(m->trans, m->wbuf + m->wpos, m->wsize - m->wpos);
+	err = p9_fd_write(m->client, m->wbuf + m->wpos, m->wsize - m->wpos);
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p sent %d bytes\n", m, err);
 	if (err == -EAGAIN) {
 		clear_bit(Wworksched, &m->wsched);
@@ -555,7 +555,7 @@ again:
 		if (test_and_clear_bit(Wpending, &m->wsched))
 			n = POLLOUT;
 		else
-			n = p9_fd_poll(m->trans, NULL);
+			n = p9_fd_poll(m->client, NULL);
 
 		if (n & POLLOUT) {
 			P9_DPRINTK(P9_DEBUG_MUX, "schedule write work %p\n", m);
@@ -640,7 +640,7 @@ static void p9_read_work(struct work_struct *work)
 	}
 
 	clear_bit(Rpending, &m->wsched);
-	err = p9_fd_read(m->trans, m->rbuf + m->rpos, m->msize - m->rpos);
+	err = p9_fd_read(m->client, m->rbuf + m->rpos, m->msize - m->rpos);
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p got %d bytes\n", m, err);
 	if (err == -EAGAIN) {
 		clear_bit(Rworksched, &m->wsched);
@@ -735,7 +735,7 @@ static void p9_read_work(struct work_struct *work)
 		if (test_and_clear_bit(Rpending, &m->wsched))
 			n = POLLIN;
 		else
-			n = p9_fd_poll(m->trans, NULL);
+			n = p9_fd_poll(m->client, NULL);
 
 		if (n & POLLIN) {
 			P9_DPRINTK(P9_DEBUG_MUX, "schedule read work %p\n", m);
@@ -819,7 +819,7 @@ static struct p9_req *p9_send_request(struct p9_conn *m,
 	if (test_and_clear_bit(Wpending, &m->wsched))
 		n = POLLOUT;
 	else
-		n = p9_fd_poll(m->trans, NULL);
+		n = p9_fd_poll(m->client, NULL);
 
 	if (n & POLLOUT && !test_and_set_bit(Wworksched, &m->wsched))
 		queue_work(p9_mux_wq, &m->wq);
@@ -933,16 +933,16 @@ p9_conn_rpc_cb(struct p9_req *req, void *a)
 /**
  * p9_fd_rpc- sends 9P request and waits until a response is available.
  *	The function can be interrupted.
- * @t: transport data
+ * @client: client instance
  * @tc: request to be sent
  * @rc: pointer where a pointer to the response is stored
  *
  */
 
 int
-p9_fd_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
+p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 {
-	struct p9_trans_fd *p = t->priv;
+	struct p9_trans_fd *p = client->trans;
 	struct p9_conn *m = p->conn;
 	int err, sigpending;
 	unsigned long flags;
@@ -975,7 +975,7 @@ p9_fd_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 	if (r.err < 0)
 		err = r.err;
 
-	if (err == -ERESTARTSYS && m->trans->status == Connected
+	if (err == -ERESTARTSYS && client->status == Connected
 							&& m->err == 0) {
 		if (p9_mux_flush_request(m, req)) {
 			/* wait until we get response of the flush message */
@@ -984,7 +984,7 @@ p9_fd_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 				err = wait_event_interruptible(r.wqueue,
 					r.rcall || r.err);
 			} while (!r.rcall && !r.err && err == -ERESTARTSYS &&
-				m->trans->status == Connected && !m->err);
+				client->status == Connected && !m->err);
 
 			err = -ERESTARTSYS;
 		}
@@ -1133,7 +1133,7 @@ static int parse_opts(char *params, struct p9_fd_opts *opts)
 	return 0;
 }
 
-static int p9_fd_open(struct p9_trans *trans, int rfd, int wfd)
+static int p9_fd_open(struct p9_client *client, int rfd, int wfd)
 {
 	struct p9_trans_fd *ts = kmalloc(sizeof(struct p9_trans_fd),
 					   GFP_KERNEL);
@@ -1151,13 +1151,13 @@ static int p9_fd_open(struct p9_trans *trans, int rfd, int wfd)
 		return -EIO;
 	}
 
-	trans->priv = ts;
-	trans->status = Connected;
+	client->trans = ts;
+	client->status = Connected;
 
 	return 0;
 }
 
-static int p9_socket_open(struct p9_trans *trans, struct socket *csocket)
+static int p9_socket_open(struct p9_client *client, struct socket *csocket)
 {
 	int fd, ret;
 
@@ -1168,33 +1168,33 @@ static int p9_socket_open(struct p9_trans *trans, struct socket *csocket)
 		return fd;
 	}
 
-	ret = p9_fd_open(trans, fd, fd);
+	ret = p9_fd_open(client, fd, fd);
 	if (ret < 0) {
 		P9_EPRINTK(KERN_ERR, "p9_socket_open: failed to open fd\n");
 		sockfd_put(csocket);
 		return ret;
 	}
 
-	((struct p9_trans_fd *)trans->priv)->rd->f_flags |= O_NONBLOCK;
+	((struct p9_trans_fd *)client->trans)->rd->f_flags |= O_NONBLOCK;
 
 	return 0;
 }
 
 /**
  * p9_fd_read- read from a fd
- * @trans: transport instance state
+ * @client: client instance
  * @v: buffer to receive data into
  * @len: size of receive buffer
  *
  */
 
-static int p9_fd_read(struct p9_trans *trans, void *v, int len)
+static int p9_fd_read(struct p9_client *client, void *v, int len)
 {
 	int ret;
 	struct p9_trans_fd *ts = NULL;
 
-	if (trans && trans->status != Disconnected)
-		ts = trans->priv;
+	if (client && client->status != Disconnected)
+		ts = client->trans;
 
 	if (!ts)
 		return -EREMOTEIO;
@@ -1204,26 +1204,26 @@ static int p9_fd_read(struct p9_trans *trans, void *v, int len)
 
 	ret = kernel_read(ts->rd, ts->rd->f_pos, v, len);
 	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
-		trans->status = Disconnected;
+		client->status = Disconnected;
 	return ret;
 }
 
 /**
  * p9_fd_write - write to a socket
- * @trans: transport instance state
+ * @client: client instance
  * @v: buffer to send data from
  * @len: size of send buffer
  *
  */
 
-static int p9_fd_write(struct p9_trans *trans, void *v, int len)
+static int p9_fd_write(struct p9_client *client, void *v, int len)
 {
 	int ret;
 	mm_segment_t oldfs;
 	struct p9_trans_fd *ts = NULL;
 
-	if (trans && trans->status != Disconnected)
-		ts = trans->priv;
+	if (client && client->status != Disconnected)
+		ts = client->trans;
 
 	if (!ts)
 		return -EREMOTEIO;
@@ -1238,18 +1238,18 @@ static int p9_fd_write(struct p9_trans *trans, void *v, int len)
 	set_fs(oldfs);
 
 	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
-		trans->status = Disconnected;
+		client->status = Disconnected;
 	return ret;
 }
 
 static unsigned int
-p9_fd_poll(struct p9_trans *trans, struct poll_table_struct *pt)
+p9_fd_poll(struct p9_client *client, struct poll_table_struct *pt)
 {
 	int ret, n;
 	struct p9_trans_fd *ts = NULL;
 
-	if (trans && trans->status == Connected)
-		ts = trans->priv;
+	if (client && client->status == Connected)
+		ts = client->trans;
 
 	if (!ts)
 		return -EREMOTEIO;
@@ -1275,30 +1275,31 @@ p9_fd_poll(struct p9_trans *trans, struct poll_table_struct *pt)
 }
 
 /**
- * p9_fd_close - shutdown socket
- * @trans: private socket structure
+ * p9_fd_close - shutdown file descriptor transport
+ * @client: client instance
  *
  */
 
-static void p9_fd_close(struct p9_trans *trans)
+static void p9_fd_close(struct p9_client *client)
 {
 	struct p9_trans_fd *ts;
 
-	if (!trans)
+	if (!client)
 		return;
 
-	ts = xchg(&trans->priv, NULL);
-
+	ts = client->trans;
 	if (!ts)
 		return;
 
+	client->status = Disconnected;
+
 	p9_conn_destroy(ts->conn);
 
-	trans->status = Disconnected;
 	if (ts->rd)
 		fput(ts->rd);
 	if (ts->wr)
 		fput(ts->wr);
+
 	kfree(ts);
 }
 
@@ -1319,31 +1320,23 @@ static inline int valid_ipaddr4(const char *buf)
 	return 0;
 }
 
-static struct p9_trans *
-p9_trans_create_tcp(const char *addr, char *args, int msize, unsigned char dotu)
+static int
+p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args)
 {
 	int err;
-	struct p9_trans *trans;
 	struct socket *csocket;
 	struct sockaddr_in sin_server;
 	struct p9_fd_opts opts;
-	struct p9_trans_fd *p;
+	struct p9_trans_fd *p = NULL; /* this gets allocated in p9_fd_open */
 
 	err = parse_opts(args, &opts);
 	if (err < 0)
-		return ERR_PTR(err);
+		return err;
 
 	if (valid_ipaddr4(addr) < 0)
-		return ERR_PTR(-EINVAL);
+		return -EINVAL;
 
 	csocket = NULL;
-	trans = kmalloc(sizeof(struct p9_trans), GFP_KERNEL);
-	if (!trans)
-		return ERR_PTR(-ENOMEM);
-	trans->msize = msize;
-	trans->extended = dotu;
-	trans->rpc = p9_fd_rpc;
-	trans->close = p9_fd_close;
 
 	sin_server.sin_family = AF_INET;
 	sin_server.sin_addr.s_addr = in_aton(addr);
@@ -1366,45 +1359,38 @@ p9_trans_create_tcp(const char *addr, char *args, int msize, unsigned char dotu)
 		goto error;
 	}
 
-	err = p9_socket_open(trans, csocket);
+	err = p9_socket_open(client, csocket);
 	if (err < 0)
 		goto error;
 
-	p = (struct p9_trans_fd *) trans->priv;
-	p->conn = p9_conn_create(trans);
+	p = (struct p9_trans_fd *) client->trans;
+	p->conn = p9_conn_create(client);
 	if (IS_ERR(p->conn)) {
 		err = PTR_ERR(p->conn);
 		p->conn = NULL;
 		goto error;
 	}
 
-	return trans;
+	return 0;
 
 error:
 	if (csocket)
 		sock_release(csocket);
 
-	kfree(trans);
-	return ERR_PTR(err);
+	kfree(p);
+
+	return err;
 }
 
-static struct p9_trans *
-p9_trans_create_unix(const char *addr, char *args, int msize,
-							unsigned char dotu)
+static int
+p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
 {
 	int err;
 	struct socket *csocket;
 	struct sockaddr_un sun_server;
-	struct p9_trans *trans;
-	struct p9_trans_fd *p;
+	struct p9_trans_fd *p = NULL; /* this gets allocated in p9_fd_open */
 
 	csocket = NULL;
-	trans = kmalloc(sizeof(struct p9_trans), GFP_KERNEL);
-	if (!trans)
-		return ERR_PTR(-ENOMEM);
-
-	trans->rpc = p9_fd_rpc;
-	trans->close = p9_fd_close;
 
 	if (strlen(addr) > UNIX_PATH_MAX) {
 		P9_EPRINTK(KERN_ERR, "p9_trans_unix: address too long: %s\n",
@@ -1425,79 +1411,68 @@ p9_trans_create_unix(const char *addr, char *args, int msize,
 		goto error;
 	}
 
-	err = p9_socket_open(trans, csocket);
+	err = p9_socket_open(client, csocket);
 	if (err < 0)
 		goto error;
 
-	trans->msize = msize;
-	trans->extended = dotu;
-	p = (struct p9_trans_fd *) trans->priv;
-	p->conn = p9_conn_create(trans);
+	p = (struct p9_trans_fd *) client->trans;
+	p->conn = p9_conn_create(client);
 	if (IS_ERR(p->conn)) {
 		err = PTR_ERR(p->conn);
 		p->conn = NULL;
 		goto error;
 	}
 
-	return trans;
+	return 0;
 
 error:
 	if (csocket)
 		sock_release(csocket);
 
-	kfree(trans);
-	return ERR_PTR(err);
+	kfree(p);
+	return err;
 }
 
-static struct p9_trans *
-p9_trans_create_fd(const char *name, char *args, int msize,
-							unsigned char extended)
+static int
+p9_fd_create(struct p9_client *client, const char *addr, char *args)
 {
 	int err;
-	struct p9_trans *trans;
 	struct p9_fd_opts opts;
-	struct p9_trans_fd *p;
+	struct p9_trans_fd *p = NULL; /* this get allocated in p9_fd_open */
 
 	parse_opts(args, &opts);
 
 	if (opts.rfd == ~0 || opts.wfd == ~0) {
 		printk(KERN_ERR "v9fs: Insufficient options for proto=fd\n");
-		return ERR_PTR(-ENOPROTOOPT);
+		return -ENOPROTOOPT;
 	}
 
-	trans = kmalloc(sizeof(struct p9_trans), GFP_KERNEL);
-	if (!trans)
-		return ERR_PTR(-ENOMEM);
-
-	trans->rpc = p9_fd_rpc;
-	trans->close = p9_fd_close;
-
-	err = p9_fd_open(trans, opts.rfd, opts.wfd);
+	err = p9_fd_open(client, opts.rfd, opts.wfd);
 	if (err < 0)
 		goto error;
 
-	trans->msize = msize;
-	trans->extended = extended;
-	p = (struct p9_trans_fd *) trans->priv;
-	p->conn = p9_conn_create(trans);
+	p = (struct p9_trans_fd *) client->trans;
+	p->conn = p9_conn_create(client);
 	if (IS_ERR(p->conn)) {
 		err = PTR_ERR(p->conn);
 		p->conn = NULL;
 		goto error;
 	}
 
-	return trans;
+	return 0;
 
 error:
-	kfree(trans);
-	return ERR_PTR(err);
+	kfree(p);
+	return err;
 }
 
 static struct p9_trans_module p9_tcp_trans = {
 	.name = "tcp",
 	.maxsize = MAX_SOCK_BUF,
 	.def = 1,
-	.create = p9_trans_create_tcp,
+	.create = p9_fd_create_tcp,
+	.close = p9_fd_close,
+	.rpc = p9_fd_rpc,
 	.owner = THIS_MODULE,
 };
 
@@ -1505,7 +1480,9 @@ static struct p9_trans_module p9_unix_trans = {
 	.name = "unix",
 	.maxsize = MAX_SOCK_BUF,
 	.def = 0,
-	.create = p9_trans_create_unix,
+	.create = p9_fd_create_unix,
+	.close = p9_fd_close,
+	.rpc = p9_fd_rpc,
 	.owner = THIS_MODULE,
 };
 
@@ -1513,7 +1490,9 @@ static struct p9_trans_module p9_fd_trans = {
 	.name = "fd",
 	.maxsize = MAX_SOCK_BUF,
 	.def = 0,
-	.create = p9_trans_create_fd,
+	.create = p9_fd_create,
+	.close = p9_fd_close,
+	.rpc = p9_fd_rpc,
 	.owner = THIS_MODULE,
 };
 
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 94912e077a5..72493f04a76 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -41,6 +41,7 @@
 #include <linux/file.h>
 #include <net/9p/9p.h>
 #include <linux/parser.h>
+#include <net/9p/client.h>
 #include <net/9p/transport.h>
 #include <linux/scatterlist.h>
 #include <linux/virtio.h>
@@ -55,7 +56,6 @@ static int chan_index;
 
 #define P9_INIT_MAXTAG	16
 
-
 /**
  * enum p9_req_status_t - virtio request status
  * @REQ_STATUS_IDLE: request slot unused
@@ -197,9 +197,9 @@ static unsigned int rest_of_page(void *data)
  *
  */
 
-static void p9_virtio_close(struct p9_trans *trans)
+static void p9_virtio_close(struct p9_client *client)
 {
-	struct virtio_chan *chan = trans->priv;
+	struct virtio_chan *chan = client->trans;
 	int count;
 	unsigned long flags;
 
@@ -215,7 +215,7 @@ static void p9_virtio_close(struct p9_trans *trans)
 	chan->inuse = false;
 	mutex_unlock(&virtio_9p_lock);
 
-	kfree(trans);
+	client->trans = NULL;
 }
 
 /**
@@ -292,17 +292,17 @@ pack_sg_list(struct scatterlist *sg, int start, int limit, char *data,
  */
 
 static int
-p9_virtio_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
+p9_virtio_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
 {
 	int in, out;
 	int n, err, size;
-	struct virtio_chan *chan = t->priv;
+	struct virtio_chan *chan = c->trans;
 	char *rdata;
 	struct p9_req_t *req;
 	unsigned long flags;
 
 	if (*rc == NULL) {
-		*rc = kmalloc(sizeof(struct p9_fcall) + t->msize, GFP_KERNEL);
+		*rc = kmalloc(sizeof(struct p9_fcall) + c->msize, GFP_KERNEL);
 		if (!*rc)
 			return -ENOMEM;
 	}
@@ -325,7 +325,7 @@ p9_virtio_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 	P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio rpc tag %d\n", n);
 
 	out = pack_sg_list(chan->sg, 0, VIRTQUEUE_NUM, tc->sdata, tc->size);
-	in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM-out, rdata, t->msize);
+	in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM-out, rdata, c->msize);
 
 	req->status = REQ_STATUS_SENT;
 
@@ -341,7 +341,7 @@ p9_virtio_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 
 	size = le32_to_cpu(*(__le32 *) rdata);
 
-	err = p9_deserialize_fcall(rdata, size, *rc, t->extended);
+	err = p9_deserialize_fcall(rdata, size, *rc, c->dotu);
 	if (err < 0) {
 		P9_DPRINTK(P9_DEBUG_TRANS,
 			"9p debug: virtio rpc deserialize returned %d\n", err);
@@ -352,8 +352,8 @@ p9_virtio_rpc(struct p9_trans *t, struct p9_fcall *tc, struct p9_fcall **rc)
 	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
 		char buf[150];
 
-		p9_printfcall(buf, sizeof(buf), *rc, t->extended);
-		printk(KERN_NOTICE ">>> %p %s\n", t, buf);
+		p9_printfcall(buf, sizeof(buf), *rc, c->dotu);
+		printk(KERN_NOTICE ">>> %p %s\n", c, buf);
 	}
 #endif
 
@@ -422,10 +422,9 @@ fail:
 
 /**
  * p9_virtio_create - allocate a new virtio channel
+ * @client: client instance invoking this transport
  * @devname: string identifying the channel to connect to (unused)
  * @args: args passed from sys_mount() for per-transport options (unused)
- * @msize: requested maximum packet size
- * @extended: 9p2000.u enabled flag
  *
  * This sets up a transport channel for 9p communication.  Right now
  * we only match the first available channel, but eventually we couldlook up
@@ -441,11 +440,9 @@ fail:
  *
  */
 
-static struct p9_trans *
-p9_virtio_create(const char *devname, char *args, int msize,
-							unsigned char extended)
+static int
+p9_virtio_create(struct p9_client *client, const char *devname, char *args)
 {
-	struct p9_trans *trans;
 	struct virtio_chan *chan = channels;
 	int index = 0;
 
@@ -463,30 +460,21 @@ p9_virtio_create(const char *devname, char *args, int msize,
 
 	if (index >= MAX_9P_CHAN) {
 		printk(KERN_ERR "9p: no channels available\n");
-		return ERR_PTR(-ENODEV);
+		return -ENODEV;
 	}
 
 	chan->tagpool = p9_idpool_create();
 	if (IS_ERR(chan->tagpool)) {
 		printk(KERN_ERR "9p: couldn't allocate tagpool\n");
-		return ERR_PTR(-ENOMEM);
+		return -ENOMEM;
 	}
 	p9_idpool_get(chan->tagpool); /* reserve tag 0 */
 	chan->max_tag = 0;
 	chan->reqs = NULL;
 
-	trans = kmalloc(sizeof(struct p9_trans), GFP_KERNEL);
-	if (!trans) {
-		printk(KERN_ERR "9p: couldn't allocate transport\n");
-		return ERR_PTR(-ENOMEM);
-	}
-	trans->extended = extended;
-	trans->msize = msize;
-	trans->close = p9_virtio_close;
-	trans->rpc = p9_virtio_rpc;
-	trans->priv = chan;
+	client->trans = (void *)chan;
 
-	return trans;
+	return 0;
 }
 
 /**
@@ -526,6 +514,8 @@ static struct virtio_driver p9_virtio_drv = {
 static struct p9_trans_module p9_virtio_trans = {
 	.name = "virtio",
 	.create = p9_virtio_create,
+	.close = p9_virtio_close,
+	.rpc = p9_virtio_rpc,
 	.maxsize = PAGE_SIZE*16,
 	.def = 0,
 	.owner = THIS_MODULE,
-- 
GitLab


From bead27f0a87f4055f6a0fd69ded9eacced485618 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com>
Date: Mon, 13 Oct 2008 18:45:24 -0500
Subject: [PATCH 0907/2224] 9p: remove duplicate client state

Now that we are passing client state into the transport modules, remove
duplicate state which is present in transport private structures.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/trans_fd.c | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index d09389f0838..bc5b6965981 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -145,8 +145,6 @@ struct p9_poll_wait {
  * struct p9_conn - fd mux connection state information
  * @lock: protects mux_list (?)
  * @mux_list: list link for mux to manage multiple connections (?)
- * @msize: maximum size for connection (dup)
- * @extended: 9p2000.u flag (dup)
  * @client: reference to client instance for this connection
  * @tagpool: id accounting for transactions
  * @err: error state
@@ -170,8 +168,6 @@ struct p9_poll_wait {
 struct p9_conn {
 	spinlock_t lock; /* protect lock structure */
 	struct list_head mux_list;
-	int msize;
-	unsigned char extended;
 	struct p9_client *client;
 	struct p9_idpool *tagpool;
 	int err;
@@ -289,8 +285,6 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
 
 	spin_lock_init(&m->lock);
 	INIT_LIST_HEAD(&m->mux_list);
-	m->msize = client->msize;
-	m->extended = client->dotu;
 	m->client = client;
 	m->tagpool = p9_idpool_create();
 	if (IS_ERR(m->tagpool)) {
@@ -584,7 +578,7 @@ static void process_request(struct p9_conn *m, struct p9_req *req)
 		P9_DPRINTK(P9_DEBUG_MUX, "Rerror %.*s\n", ename->len,
 								ename->str);
 
-		if (m->extended)
+		if (m->client->dotu)
 			req->err = -ecode;
 
 		if (!req->err) {
@@ -629,7 +623,8 @@ static void p9_read_work(struct work_struct *work)
 
 	if (!m->rcall) {
 		m->rcall =
-		    kmalloc(sizeof(struct p9_fcall) + m->msize, GFP_KERNEL);
+		    kmalloc(sizeof(struct p9_fcall) + m->client->msize,
+								GFP_KERNEL);
 		if (!m->rcall) {
 			err = -ENOMEM;
 			goto error;
@@ -640,7 +635,8 @@ static void p9_read_work(struct work_struct *work)
 	}
 
 	clear_bit(Rpending, &m->wsched);
-	err = p9_fd_read(m->client, m->rbuf + m->rpos, m->msize - m->rpos);
+	err = p9_fd_read(m->client, m->rbuf + m->rpos,
+						m->client->msize - m->rpos);
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p got %d bytes\n", m, err);
 	if (err == -EAGAIN) {
 		clear_bit(Rworksched, &m->wsched);
@@ -653,7 +649,7 @@ static void p9_read_work(struct work_struct *work)
 	m->rpos += err;
 	while (m->rpos > 4) {
 		n = le32_to_cpu(*(__le32 *) m->rbuf);
-		if (n >= m->msize) {
+		if (n >= m->client->msize) {
 			P9_DPRINTK(P9_DEBUG_ERROR,
 				"requested packet size too big: %d\n", n);
 			err = -EIO;
@@ -664,7 +660,7 @@ static void p9_read_work(struct work_struct *work)
 			break;
 
 		err =
-		    p9_deserialize_fcall(m->rbuf, n, m->rcall, m->extended);
+		    p9_deserialize_fcall(m->rbuf, n, m->rcall, m->client->dotu);
 		if (err < 0)
 			goto error;
 
@@ -673,7 +669,7 @@ static void p9_read_work(struct work_struct *work)
 			char buf[150];
 
 			p9_printfcall(buf, sizeof(buf), m->rcall,
-				m->extended);
+				m->client->dotu);
 			printk(KERN_NOTICE ">>> %p %s\n", m, buf);
 		}
 #endif
@@ -681,8 +677,8 @@ static void p9_read_work(struct work_struct *work)
 		rcall = m->rcall;
 		rbuf = m->rbuf;
 		if (m->rpos > n) {
-			m->rcall = kmalloc(sizeof(struct p9_fcall) + m->msize,
-					   GFP_KERNEL);
+			m->rcall = kmalloc(sizeof(struct p9_fcall) +
+						m->client->msize, GFP_KERNEL);
 			if (!m->rcall) {
 				err = -ENOMEM;
 				goto error;
@@ -798,7 +794,7 @@ static struct p9_req *p9_send_request(struct p9_conn *m,
 	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
 		char buf[150];
 
-		p9_printfcall(buf, sizeof(buf), tc, m->extended);
+		p9_printfcall(buf, sizeof(buf), tc, m->client->dotu);
 		printk(KERN_NOTICE "<<< %p %s\n", m, buf);
 	}
 #endif
-- 
GitLab


From 5503ac565998837350f3ee1cc344c36143ea2386 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com>
Date: Mon, 13 Oct 2008 18:45:24 -0500
Subject: [PATCH 0908/2224] 9p: remove unnecessary prototypes

Cleanup files by reordering functions in order to remove need for
unnecessary function prototypes.

There are no code changes here, just functions being moved around and
prototypes being eliminated.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/client.c   | 183 +++++-----
 net/9p/trans_fd.c | 896 ++++++++++++++++++++++------------------------
 2 files changed, 513 insertions(+), 566 deletions(-)

diff --git a/net/9p/client.c b/net/9p/client.c
index f1a52a7ed72..712d4f336ad 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -36,10 +36,6 @@
 #include <net/9p/client.h>
 #include <net/9p/transport.h>
 
-static struct p9_fid *p9_fid_create(struct p9_client *clnt);
-static void p9_fid_destroy(struct p9_fid *fid);
-static struct p9_stat *p9_clone_stat(struct p9_stat *st, int dotu);
-
 /*
   * Client Option Parsing (code inspired by NFS code)
   *  - a little lazy - parse all client options
@@ -124,6 +120,55 @@ static int parse_opts(char *opts, struct p9_client *clnt)
 	return ret;
 }
 
+static struct p9_fid *p9_fid_create(struct p9_client *clnt)
+{
+	int err;
+	struct p9_fid *fid;
+
+	P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt);
+	fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
+	if (!fid)
+		return ERR_PTR(-ENOMEM);
+
+	fid->fid = p9_idpool_get(clnt->fidpool);
+	if (fid->fid < 0) {
+		err = -ENOSPC;
+		goto error;
+	}
+
+	memset(&fid->qid, 0, sizeof(struct p9_qid));
+	fid->mode = -1;
+	fid->rdir_fpos = 0;
+	fid->rdir_pos = 0;
+	fid->rdir_fcall = NULL;
+	fid->uid = current->fsuid;
+	fid->clnt = clnt;
+	fid->aux = NULL;
+
+	spin_lock(&clnt->lock);
+	list_add(&fid->flist, &clnt->fidlist);
+	spin_unlock(&clnt->lock);
+
+	return fid;
+
+error:
+	kfree(fid);
+	return ERR_PTR(err);
+}
+
+static void p9_fid_destroy(struct p9_fid *fid)
+{
+	struct p9_client *clnt;
+
+	P9_DPRINTK(P9_DEBUG_9P, "fid %d\n", fid->fid);
+	clnt = fid->clnt;
+	p9_idpool_put(fid->fid, clnt->fidpool);
+	spin_lock(&clnt->lock);
+	list_del(&fid->flist);
+	spin_unlock(&clnt->lock);
+	kfree(fid->rdir_fcall);
+	kfree(fid);
+}
 
 /**
  * p9_client_rpc - sends 9P request and waits until a response is available.
@@ -815,6 +860,46 @@ int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count)
 }
 EXPORT_SYMBOL(p9_client_readn);
 
+static struct p9_stat *p9_clone_stat(struct p9_stat *st, int dotu)
+{
+	int n;
+	char *p;
+	struct p9_stat *ret;
+
+	n = sizeof(struct p9_stat) + st->name.len + st->uid.len + st->gid.len +
+		st->muid.len;
+
+	if (dotu)
+		n += st->extension.len;
+
+	ret = kmalloc(n, GFP_KERNEL);
+	if (!ret)
+		return ERR_PTR(-ENOMEM);
+
+	memmove(ret, st, sizeof(struct p9_stat));
+	p = ((char *) ret) + sizeof(struct p9_stat);
+	memmove(p, st->name.str, st->name.len);
+	ret->name.str = p;
+	p += st->name.len;
+	memmove(p, st->uid.str, st->uid.len);
+	ret->uid.str = p;
+	p += st->uid.len;
+	memmove(p, st->gid.str, st->gid.len);
+	ret->gid.str = p;
+	p += st->gid.len;
+	memmove(p, st->muid.str, st->muid.len);
+	ret->muid.str = p;
+	p += st->muid.len;
+
+	if (dotu) {
+		memmove(p, st->extension.str, st->extension.len);
+		ret->extension.str = p;
+		p += st->extension.len;
+	}
+
+	return ret;
+}
+
 struct p9_stat *p9_client_stat(struct p9_fid *fid)
 {
 	int err;
@@ -986,93 +1071,3 @@ error:
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL(p9_client_dirread);
-
-static struct p9_stat *p9_clone_stat(struct p9_stat *st, int dotu)
-{
-	int n;
-	char *p;
-	struct p9_stat *ret;
-
-	n = sizeof(struct p9_stat) + st->name.len + st->uid.len + st->gid.len +
-		st->muid.len;
-
-	if (dotu)
-		n += st->extension.len;
-
-	ret = kmalloc(n, GFP_KERNEL);
-	if (!ret)
-		return ERR_PTR(-ENOMEM);
-
-	memmove(ret, st, sizeof(struct p9_stat));
-	p = ((char *) ret) + sizeof(struct p9_stat);
-	memmove(p, st->name.str, st->name.len);
-	ret->name.str = p;
-	p += st->name.len;
-	memmove(p, st->uid.str, st->uid.len);
-	ret->uid.str = p;
-	p += st->uid.len;
-	memmove(p, st->gid.str, st->gid.len);
-	ret->gid.str = p;
-	p += st->gid.len;
-	memmove(p, st->muid.str, st->muid.len);
-	ret->muid.str = p;
-	p += st->muid.len;
-
-	if (dotu) {
-		memmove(p, st->extension.str, st->extension.len);
-		ret->extension.str = p;
-		p += st->extension.len;
-	}
-
-	return ret;
-}
-
-static struct p9_fid *p9_fid_create(struct p9_client *clnt)
-{
-	int err;
-	struct p9_fid *fid;
-
-	P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt);
-	fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
-	if (!fid)
-		return ERR_PTR(-ENOMEM);
-
-	fid->fid = p9_idpool_get(clnt->fidpool);
-	if (fid->fid < 0) {
-		err = -ENOSPC;
-		goto error;
-	}
-
-	memset(&fid->qid, 0, sizeof(struct p9_qid));
-	fid->mode = -1;
-	fid->rdir_fpos = 0;
-	fid->rdir_pos = 0;
-	fid->rdir_fcall = NULL;
-	fid->uid = current->fsuid;
-	fid->clnt = clnt;
-	fid->aux = NULL;
-
-	spin_lock(&clnt->lock);
-	list_add(&fid->flist, &clnt->fidlist);
-	spin_unlock(&clnt->lock);
-
-	return fid;
-
-error:
-	kfree(fid);
-	return ERR_PTR(err);
-}
-
-static void p9_fid_destroy(struct p9_fid *fid)
-{
-	struct p9_client *clnt;
-
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d\n", fid->fid);
-	clnt = fid->clnt;
-	p9_idpool_put(fid->fid, clnt->fidpool);
-	spin_lock(&clnt->lock);
-	list_del(&fid->flist);
-	spin_unlock(&clnt->lock);
-	kfree(fid->rdir_fcall);
-	kfree(fid);
-}
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index bc5b6965981..334d39cc5ba 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -61,7 +61,6 @@ struct p9_fd_opts {
 	u16 port;
 };
 
-
 /**
  * struct p9_trans_fd - transport state
  * @rd: reference to file to read from
@@ -206,30 +205,11 @@ struct p9_mux_rpc {
 	wait_queue_head_t wqueue;
 };
 
-static int p9_poll_proc(void *);
-static void p9_read_work(struct work_struct *work);
-static void p9_write_work(struct work_struct *work);
-static void p9_pollwait(struct file *filp, wait_queue_head_t *wait_address,
-								poll_table *p);
-static int p9_fd_write(struct p9_client *client, void *v, int len);
-static int p9_fd_read(struct p9_client *client, void *v, int len);
-
 static DEFINE_SPINLOCK(p9_poll_lock);
 static LIST_HEAD(p9_poll_pending_list);
 static struct workqueue_struct *p9_mux_wq;
 static struct task_struct *p9_poll_task;
 
-static void p9_conn_destroy(struct p9_conn *);
-static unsigned int p9_fd_poll(struct p9_client *client,
-						struct poll_table_struct *pt);
-
-#ifdef P9_NONBLOCK
-static int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
-	p9_conn_req_callback cb, void *a);
-#endif /* P9_NONBLOCK */
-
-static void p9_conn_cancel(struct p9_conn *m, int err);
-
 static u16 p9_mux_get_tag(struct p9_conn *m)
 {
 	int tag;
@@ -267,222 +247,314 @@ static void p9_mux_poll_stop(struct p9_conn *m)
 }
 
 /**
- * p9_conn_create - allocate and initialize the per-session mux data
- * @client: client instance
+ * p9_conn_cancel - cancel all pending requests with error
+ * @m: mux data
+ * @err: error code
  *
- * Note: Creates the polling task if this is the first session.
  */
 
-static struct p9_conn *p9_conn_create(struct p9_client *client)
+void p9_conn_cancel(struct p9_conn *m, int err)
 {
-	int i, n;
-	struct p9_conn *m;
-
-	P9_DPRINTK(P9_DEBUG_MUX, "client %p msize %d\n", client, client->msize);
-	m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL);
-	if (!m)
-		return ERR_PTR(-ENOMEM);
+	struct p9_req *req, *rtmp;
+	LIST_HEAD(cancel_list);
 
-	spin_lock_init(&m->lock);
-	INIT_LIST_HEAD(&m->mux_list);
-	m->client = client;
-	m->tagpool = p9_idpool_create();
-	if (IS_ERR(m->tagpool)) {
-		kfree(m);
-		return ERR_PTR(-ENOMEM);
+	P9_DPRINTK(P9_DEBUG_ERROR, "mux %p err %d\n", m, err);
+	m->err = err;
+	spin_lock(&m->lock);
+	list_for_each_entry_safe(req, rtmp, &m->req_list, req_list) {
+		list_move(&req->req_list, &cancel_list);
+	}
+	list_for_each_entry_safe(req, rtmp, &m->unsent_req_list, req_list) {
+		list_move(&req->req_list, &cancel_list);
 	}
+	spin_unlock(&m->lock);
 
-	INIT_LIST_HEAD(&m->req_list);
-	INIT_LIST_HEAD(&m->unsent_req_list);
-	INIT_WORK(&m->rq, p9_read_work);
-	INIT_WORK(&m->wq, p9_write_work);
-	INIT_LIST_HEAD(&m->poll_pending_link);
-	init_poll_funcptr(&m->pt, p9_pollwait);
+	list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) {
+		list_del(&req->req_list);
+		if (!req->err)
+			req->err = err;
 
-	n = p9_fd_poll(client, &m->pt);
-	if (n & POLLIN) {
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can read\n", m);
-		set_bit(Rpending, &m->wsched);
+		if (req->cb)
+			(*req->cb) (req, req->cba);
+		else
+			kfree(req->rcall);
 	}
+}
 
-	if (n & POLLOUT) {
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can write\n", m);
-		set_bit(Wpending, &m->wsched);
-	}
+static void process_request(struct p9_conn *m, struct p9_req *req)
+{
+	int ecode;
+	struct p9_str *ename;
 
-	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
-		if (IS_ERR(m->poll_wait[i].wait_addr)) {
-			p9_mux_poll_stop(m);
-			kfree(m);
-			/* return the error code */
-			return (void *)m->poll_wait[i].wait_addr;
+	if (!req->err && req->rcall->id == P9_RERROR) {
+		ecode = req->rcall->params.rerror.errno;
+		ename = &req->rcall->params.rerror.error;
+
+		P9_DPRINTK(P9_DEBUG_MUX, "Rerror %.*s\n", ename->len,
+								ename->str);
+
+		if (m->client->dotu)
+			req->err = -ecode;
+
+		if (!req->err) {
+			req->err = p9_errstr2errno(ename->str, ename->len);
+
+			/* string match failed */
+			if (!req->err) {
+				PRINT_FCALL_ERROR("unknown error", req->rcall);
+				req->err = -ESERVERFAULT;
+			}
 		}
+	} else if (req->tcall && req->rcall->id != req->tcall->id + 1) {
+		P9_DPRINTK(P9_DEBUG_ERROR,
+				"fcall mismatch: expected %d, got %d\n",
+				req->tcall->id + 1, req->rcall->id);
+		if (!req->err)
+			req->err = -EIO;
 	}
-
-	return m;
 }
 
-/**
- * p9_mux_destroy - cancels all pending requests and frees mux resources
- * @m: mux to destroy
- *
- */
-
-static void p9_conn_destroy(struct p9_conn *m)
+static unsigned int
+p9_fd_poll(struct p9_client *client, struct poll_table_struct *pt)
 {
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p prev %p next %p\n", m,
-		m->mux_list.prev, m->mux_list.next);
+	int ret, n;
+	struct p9_trans_fd *ts = NULL;
 
-	p9_mux_poll_stop(m);
-	cancel_work_sync(&m->rq);
-	cancel_work_sync(&m->wq);
+	if (client && client->status == Connected)
+		ts = client->trans;
 
-	p9_conn_cancel(m, -ECONNRESET);
+	if (!ts)
+		return -EREMOTEIO;
 
-	m->client = NULL;
-	p9_idpool_destroy(m->tagpool);
-	kfree(m);
-}
+	if (!ts->rd->f_op || !ts->rd->f_op->poll)
+		return -EIO;
 
-static int p9_pollwake(wait_queue_t *wait, unsigned mode, int sync, void *key)
-{
-	struct p9_poll_wait *pwait =
-		container_of(wait, struct p9_poll_wait, wait);
-	struct p9_conn *m = pwait->conn;
-	unsigned long flags;
-	DECLARE_WAITQUEUE(dummy_wait, p9_poll_task);
+	if (!ts->wr->f_op || !ts->wr->f_op->poll)
+		return -EIO;
 
-	spin_lock_irqsave(&p9_poll_lock, flags);
-	if (list_empty(&m->poll_pending_link))
-		list_add_tail(&m->poll_pending_link, &p9_poll_pending_list);
-	spin_unlock_irqrestore(&p9_poll_lock, flags);
+	ret = ts->rd->f_op->poll(ts->rd, pt);
+	if (ret < 0)
+		return ret;
 
-	/* perform the default wake up operation */
-	return default_wake_function(&dummy_wait, mode, sync, key);
+	if (ts->rd != ts->wr) {
+		n = ts->wr->f_op->poll(ts->wr, pt);
+		if (n < 0)
+			return n;
+		ret = (ret & ~POLLOUT) | (n & ~POLLIN);
+	}
+
+	return ret;
 }
 
 /**
- * p9_pollwait - add poll task to the wait queue
- * @filp: file pointer being polled
- * @wait_address: wait_q to block on
- * @p: poll state
+ * p9_fd_read- read from a fd
+ * @client: client instance
+ * @v: buffer to receive data into
+ * @len: size of receive buffer
  *
- * called by files poll operation to add v9fs-poll task to files wait queue
  */
 
-static void
-p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
+static int p9_fd_read(struct p9_client *client, void *v, int len)
 {
-	struct p9_conn *m = container_of(p, struct p9_conn, pt);
-	struct p9_poll_wait *pwait = NULL;
-	int i;
+	int ret;
+	struct p9_trans_fd *ts = NULL;
 
-	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
-		if (m->poll_wait[i].wait_addr == NULL) {
-			pwait = &m->poll_wait[i];
-			break;
-		}
-	}
+	if (client && client->status != Disconnected)
+		ts = client->trans;
 
-	if (!pwait) {
-		P9_DPRINTK(P9_DEBUG_ERROR, "not enough wait_address slots\n");
-		return;
-	}
+	if (!ts)
+		return -EREMOTEIO;
 
-	if (!wait_address) {
-		P9_DPRINTK(P9_DEBUG_ERROR, "no wait_address\n");
-		pwait->wait_addr = ERR_PTR(-EIO);
-		return;
-	}
+	if (!(ts->rd->f_flags & O_NONBLOCK))
+		P9_DPRINTK(P9_DEBUG_ERROR, "blocking read ...\n");
 
-	pwait->conn = m;
-	pwait->wait_addr = wait_address;
-	init_waitqueue_func_entry(&pwait->wait, p9_pollwake);
-	add_wait_queue(wait_address, &pwait->wait);
+	ret = kernel_read(ts->rd, ts->rd->f_pos, v, len);
+	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
+		client->status = Disconnected;
+	return ret;
 }
 
 /**
- * p9_poll_mux - polls a mux and schedules read or write works if necessary
- * @m: connection to poll
+ * p9_read_work - called when there is some data to be read from a transport
+ * @work: container of work to be done
  *
  */
 
-static void p9_poll_mux(struct p9_conn *m)
+static void p9_read_work(struct work_struct *work)
 {
-	int n;
+	int n, err;
+	struct p9_conn *m;
+	struct p9_req *req, *rptr, *rreq;
+	struct p9_fcall *rcall;
+	char *rbuf;
+
+	m = container_of(work, struct p9_conn, rq);
 
 	if (m->err < 0)
 		return;
 
-	n = p9_fd_poll(m->client, NULL);
-	if (n < 0 || n & (POLLERR | POLLHUP | POLLNVAL)) {
-		P9_DPRINTK(P9_DEBUG_MUX, "error mux %p err %d\n", m, n);
-		if (n >= 0)
-			n = -ECONNRESET;
-		p9_conn_cancel(m, n);
-	}
+	rcall = NULL;
+	P9_DPRINTK(P9_DEBUG_MUX, "start mux %p pos %d\n", m, m->rpos);
 
-	if (n & POLLIN) {
-		set_bit(Rpending, &m->wsched);
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can read\n", m);
-		if (!test_and_set_bit(Rworksched, &m->wsched)) {
-			P9_DPRINTK(P9_DEBUG_MUX, "schedule read work %p\n", m);
-			queue_work(p9_mux_wq, &m->rq);
+	if (!m->rcall) {
+		m->rcall =
+		    kmalloc(sizeof(struct p9_fcall) + m->client->msize,
+								GFP_KERNEL);
+		if (!m->rcall) {
+			err = -ENOMEM;
+			goto error;
 		}
+
+		m->rbuf = (char *)m->rcall + sizeof(struct p9_fcall);
+		m->rpos = 0;
 	}
 
-	if (n & POLLOUT) {
-		set_bit(Wpending, &m->wsched);
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can write\n", m);
-		if ((m->wsize || !list_empty(&m->unsent_req_list))
-		    && !test_and_set_bit(Wworksched, &m->wsched)) {
-			P9_DPRINTK(P9_DEBUG_MUX, "schedule write work %p\n", m);
-			queue_work(p9_mux_wq, &m->wq);
-		}
+	clear_bit(Rpending, &m->wsched);
+	err = p9_fd_read(m->client, m->rbuf + m->rpos,
+						m->client->msize - m->rpos);
+	P9_DPRINTK(P9_DEBUG_MUX, "mux %p got %d bytes\n", m, err);
+	if (err == -EAGAIN) {
+		clear_bit(Rworksched, &m->wsched);
+		return;
 	}
-}
 
-/**
- * p9_poll_proc - poll worker thread
- * @a: thread state and arguments
- *
- * polls all v9fs transports for new events and queues the appropriate
- * work to the work queue
+	if (err <= 0)
+		goto error;
+
+	m->rpos += err;
+	while (m->rpos > 4) {
+		n = le32_to_cpu(*(__le32 *) m->rbuf);
+		if (n >= m->client->msize) {
+			P9_DPRINTK(P9_DEBUG_ERROR,
+				"requested packet size too big: %d\n", n);
+			err = -EIO;
+			goto error;
+		}
+
+		if (m->rpos < n)
+			break;
+
+		err =
+		    p9_deserialize_fcall(m->rbuf, n, m->rcall, m->client->dotu);
+		if (err < 0)
+			goto error;
+
+#ifdef CONFIG_NET_9P_DEBUG
+		if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
+			char buf[150];
+
+			p9_printfcall(buf, sizeof(buf), m->rcall,
+				m->client->dotu);
+			printk(KERN_NOTICE ">>> %p %s\n", m, buf);
+		}
+#endif
+
+		rcall = m->rcall;
+		rbuf = m->rbuf;
+		if (m->rpos > n) {
+			m->rcall = kmalloc(sizeof(struct p9_fcall) +
+						m->client->msize, GFP_KERNEL);
+			if (!m->rcall) {
+				err = -ENOMEM;
+				goto error;
+			}
+
+			m->rbuf = (char *)m->rcall + sizeof(struct p9_fcall);
+			memmove(m->rbuf, rbuf + n, m->rpos - n);
+			m->rpos -= n;
+		} else {
+			m->rcall = NULL;
+			m->rbuf = NULL;
+			m->rpos = 0;
+		}
+
+		P9_DPRINTK(P9_DEBUG_MUX, "mux %p fcall id %d tag %d\n", m,
+							rcall->id, rcall->tag);
+
+		req = NULL;
+		spin_lock(&m->lock);
+		list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) {
+			if (rreq->tag == rcall->tag) {
+				req = rreq;
+				if (req->flush != Flushing)
+					list_del(&req->req_list);
+				break;
+			}
+		}
+		spin_unlock(&m->lock);
+
+		if (req) {
+			req->rcall = rcall;
+			process_request(m, req);
+
+			if (req->flush != Flushing) {
+				if (req->cb)
+					(*req->cb) (req, req->cba);
+				else
+					kfree(req->rcall);
+			}
+		} else {
+			if (err >= 0 && rcall->id != P9_RFLUSH)
+				P9_DPRINTK(P9_DEBUG_ERROR,
+				  "unexpected response mux %p id %d tag %d\n",
+				  m, rcall->id, rcall->tag);
+			kfree(rcall);
+		}
+	}
+
+	if (!list_empty(&m->req_list)) {
+		if (test_and_clear_bit(Rpending, &m->wsched))
+			n = POLLIN;
+		else
+			n = p9_fd_poll(m->client, NULL);
+
+		if (n & POLLIN) {
+			P9_DPRINTK(P9_DEBUG_MUX, "schedule read work %p\n", m);
+			queue_work(p9_mux_wq, &m->rq);
+		} else
+			clear_bit(Rworksched, &m->wsched);
+	} else
+		clear_bit(Rworksched, &m->wsched);
+
+	return;
+
+error:
+	p9_conn_cancel(m, err);
+	clear_bit(Rworksched, &m->wsched);
+}
+
+/**
+ * p9_fd_write - write to a socket
+ * @client: client instance
+ * @v: buffer to send data from
+ * @len: size of send buffer
  *
  */
 
-static int p9_poll_proc(void *a)
+static int p9_fd_write(struct p9_client *client, void *v, int len)
 {
-	unsigned long flags;
-
-	P9_DPRINTK(P9_DEBUG_MUX, "start %p\n", current);
- repeat:
-	spin_lock_irqsave(&p9_poll_lock, flags);
-	while (!list_empty(&p9_poll_pending_list)) {
-		struct p9_conn *conn = list_first_entry(&p9_poll_pending_list,
-							struct p9_conn,
-							poll_pending_link);
-		list_del_init(&conn->poll_pending_link);
-		spin_unlock_irqrestore(&p9_poll_lock, flags);
+	int ret;
+	mm_segment_t oldfs;
+	struct p9_trans_fd *ts = NULL;
 
-		p9_poll_mux(conn);
+	if (client && client->status != Disconnected)
+		ts = client->trans;
 
-		spin_lock_irqsave(&p9_poll_lock, flags);
-	}
-	spin_unlock_irqrestore(&p9_poll_lock, flags);
+	if (!ts)
+		return -EREMOTEIO;
 
-	set_current_state(TASK_INTERRUPTIBLE);
-	if (list_empty(&p9_poll_pending_list)) {
-		P9_DPRINTK(P9_DEBUG_MUX, "sleeping...\n");
-		schedule();
-	}
-	__set_current_state(TASK_RUNNING);
+	if (!(ts->wr->f_flags & O_NONBLOCK))
+		P9_DPRINTK(P9_DEBUG_ERROR, "blocking write ...\n");
 
-	if (!kthread_should_stop())
-		goto repeat;
+	oldfs = get_fs();
+	set_fs(get_ds());
+	/* The cast to a user pointer is valid due to the set_fs() */
+	ret = vfs_write(ts->wr, (void __user *)v, len, &ts->wr->f_pos);
+	set_fs(oldfs);
 
-	P9_DPRINTK(P9_DEBUG_MUX, "finish\n");
-	return 0;
+	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
+		client->status = Disconnected;
+	return ret;
 }
 
 /**
@@ -566,186 +638,158 @@ error:
 	clear_bit(Wworksched, &m->wsched);
 }
 
-static void process_request(struct p9_conn *m, struct p9_req *req)
+static int p9_pollwake(wait_queue_t *wait, unsigned mode, int sync, void *key)
 {
-	int ecode;
-	struct p9_str *ename;
-
-	if (!req->err && req->rcall->id == P9_RERROR) {
-		ecode = req->rcall->params.rerror.errno;
-		ename = &req->rcall->params.rerror.error;
-
-		P9_DPRINTK(P9_DEBUG_MUX, "Rerror %.*s\n", ename->len,
-								ename->str);
-
-		if (m->client->dotu)
-			req->err = -ecode;
+	struct p9_poll_wait *pwait =
+		container_of(wait, struct p9_poll_wait, wait);
+	struct p9_conn *m = pwait->conn;
+	unsigned long flags;
+	DECLARE_WAITQUEUE(dummy_wait, p9_poll_task);
 
-		if (!req->err) {
-			req->err = p9_errstr2errno(ename->str, ename->len);
+	spin_lock_irqsave(&p9_poll_lock, flags);
+	if (list_empty(&m->poll_pending_link))
+		list_add_tail(&m->poll_pending_link, &p9_poll_pending_list);
+	spin_unlock_irqrestore(&p9_poll_lock, flags);
 
-			/* string match failed */
-			if (!req->err) {
-				PRINT_FCALL_ERROR("unknown error", req->rcall);
-				req->err = -ESERVERFAULT;
-			}
-		}
-	} else if (req->tcall && req->rcall->id != req->tcall->id + 1) {
-		P9_DPRINTK(P9_DEBUG_ERROR,
-				"fcall mismatch: expected %d, got %d\n",
-				req->tcall->id + 1, req->rcall->id);
-		if (!req->err)
-			req->err = -EIO;
-	}
+	/* perform the default wake up operation */
+	return default_wake_function(&dummy_wait, mode, sync, key);
 }
 
 /**
- * p9_read_work - called when there is some data to be read from a transport
- * @work: container of work to be done
+ * p9_pollwait - add poll task to the wait queue
+ * @filp: file pointer being polled
+ * @wait_address: wait_q to block on
+ * @p: poll state
  *
+ * called by files poll operation to add v9fs-poll task to files wait queue
  */
 
-static void p9_read_work(struct work_struct *work)
+static void
+p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
 {
-	int n, err;
-	struct p9_conn *m;
-	struct p9_req *req, *rptr, *rreq;
-	struct p9_fcall *rcall;
-	char *rbuf;
-
-	m = container_of(work, struct p9_conn, rq);
-
-	if (m->err < 0)
-		return;
-
-	rcall = NULL;
-	P9_DPRINTK(P9_DEBUG_MUX, "start mux %p pos %d\n", m, m->rpos);
+	struct p9_conn *m = container_of(p, struct p9_conn, pt);
+	struct p9_poll_wait *pwait = NULL;
+	int i;
 
-	if (!m->rcall) {
-		m->rcall =
-		    kmalloc(sizeof(struct p9_fcall) + m->client->msize,
-								GFP_KERNEL);
-		if (!m->rcall) {
-			err = -ENOMEM;
-			goto error;
+	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
+		if (m->poll_wait[i].wait_addr == NULL) {
+			pwait = &m->poll_wait[i];
+			break;
 		}
-
-		m->rbuf = (char *)m->rcall + sizeof(struct p9_fcall);
-		m->rpos = 0;
 	}
 
-	clear_bit(Rpending, &m->wsched);
-	err = p9_fd_read(m->client, m->rbuf + m->rpos,
-						m->client->msize - m->rpos);
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p got %d bytes\n", m, err);
-	if (err == -EAGAIN) {
-		clear_bit(Rworksched, &m->wsched);
+	if (!pwait) {
+		P9_DPRINTK(P9_DEBUG_ERROR, "not enough wait_address slots\n");
 		return;
 	}
 
-	if (err <= 0)
-		goto error;
-
-	m->rpos += err;
-	while (m->rpos > 4) {
-		n = le32_to_cpu(*(__le32 *) m->rbuf);
-		if (n >= m->client->msize) {
-			P9_DPRINTK(P9_DEBUG_ERROR,
-				"requested packet size too big: %d\n", n);
-			err = -EIO;
-			goto error;
-		}
-
-		if (m->rpos < n)
-			break;
-
-		err =
-		    p9_deserialize_fcall(m->rbuf, n, m->rcall, m->client->dotu);
-		if (err < 0)
-			goto error;
+	if (!wait_address) {
+		P9_DPRINTK(P9_DEBUG_ERROR, "no wait_address\n");
+		pwait->wait_addr = ERR_PTR(-EIO);
+		return;
+	}
 
-#ifdef CONFIG_NET_9P_DEBUG
-		if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
-			char buf[150];
+	pwait->conn = m;
+	pwait->wait_addr = wait_address;
+	init_waitqueue_func_entry(&pwait->wait, p9_pollwake);
+	add_wait_queue(wait_address, &pwait->wait);
+}
 
-			p9_printfcall(buf, sizeof(buf), m->rcall,
-				m->client->dotu);
-			printk(KERN_NOTICE ">>> %p %s\n", m, buf);
-		}
-#endif
+/**
+ * p9_conn_create - allocate and initialize the per-session mux data
+ * @client: client instance
+ *
+ * Note: Creates the polling task if this is the first session.
+ */
 
-		rcall = m->rcall;
-		rbuf = m->rbuf;
-		if (m->rpos > n) {
-			m->rcall = kmalloc(sizeof(struct p9_fcall) +
-						m->client->msize, GFP_KERNEL);
-			if (!m->rcall) {
-				err = -ENOMEM;
-				goto error;
-			}
+static struct p9_conn *p9_conn_create(struct p9_client *client)
+{
+	int i, n;
+	struct p9_conn *m;
 
-			m->rbuf = (char *)m->rcall + sizeof(struct p9_fcall);
-			memmove(m->rbuf, rbuf + n, m->rpos - n);
-			m->rpos -= n;
-		} else {
-			m->rcall = NULL;
-			m->rbuf = NULL;
-			m->rpos = 0;
-		}
+	P9_DPRINTK(P9_DEBUG_MUX, "client %p msize %d\n", client, client->msize);
+	m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL);
+	if (!m)
+		return ERR_PTR(-ENOMEM);
 
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p fcall id %d tag %d\n", m,
-							rcall->id, rcall->tag);
+	spin_lock_init(&m->lock);
+	INIT_LIST_HEAD(&m->mux_list);
+	m->client = client;
+	m->tagpool = p9_idpool_create();
+	if (IS_ERR(m->tagpool)) {
+		kfree(m);
+		return ERR_PTR(-ENOMEM);
+	}
 
-		req = NULL;
-		spin_lock(&m->lock);
-		list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) {
-			if (rreq->tag == rcall->tag) {
-				req = rreq;
-				if (req->flush != Flushing)
-					list_del(&req->req_list);
-				break;
-			}
-		}
-		spin_unlock(&m->lock);
+	INIT_LIST_HEAD(&m->req_list);
+	INIT_LIST_HEAD(&m->unsent_req_list);
+	INIT_WORK(&m->rq, p9_read_work);
+	INIT_WORK(&m->wq, p9_write_work);
+	INIT_LIST_HEAD(&m->poll_pending_link);
+	init_poll_funcptr(&m->pt, p9_pollwait);
 
-		if (req) {
-			req->rcall = rcall;
-			process_request(m, req);
+	n = p9_fd_poll(client, &m->pt);
+	if (n & POLLIN) {
+		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can read\n", m);
+		set_bit(Rpending, &m->wsched);
+	}
 
-			if (req->flush != Flushing) {
-				if (req->cb)
-					(*req->cb) (req, req->cba);
-				else
-					kfree(req->rcall);
-			}
-		} else {
-			if (err >= 0 && rcall->id != P9_RFLUSH)
-				P9_DPRINTK(P9_DEBUG_ERROR,
-				  "unexpected response mux %p id %d tag %d\n",
-				  m, rcall->id, rcall->tag);
-			kfree(rcall);
+	if (n & POLLOUT) {
+		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can write\n", m);
+		set_bit(Wpending, &m->wsched);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
+		if (IS_ERR(m->poll_wait[i].wait_addr)) {
+			p9_mux_poll_stop(m);
+			kfree(m);
+			/* return the error code */
+			return (void *)m->poll_wait[i].wait_addr;
 		}
 	}
 
-	if (!list_empty(&m->req_list)) {
-		if (test_and_clear_bit(Rpending, &m->wsched))
-			n = POLLIN;
-		else
-			n = p9_fd_poll(m->client, NULL);
+	return m;
+}
 
-		if (n & POLLIN) {
+/**
+ * p9_poll_mux - polls a mux and schedules read or write works if necessary
+ * @m: connection to poll
+ *
+ */
+
+static void p9_poll_mux(struct p9_conn *m)
+{
+	int n;
+
+	if (m->err < 0)
+		return;
+
+	n = p9_fd_poll(m->client, NULL);
+	if (n < 0 || n & (POLLERR | POLLHUP | POLLNVAL)) {
+		P9_DPRINTK(P9_DEBUG_MUX, "error mux %p err %d\n", m, n);
+		if (n >= 0)
+			n = -ECONNRESET;
+		p9_conn_cancel(m, n);
+	}
+
+	if (n & POLLIN) {
+		set_bit(Rpending, &m->wsched);
+		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can read\n", m);
+		if (!test_and_set_bit(Rworksched, &m->wsched)) {
 			P9_DPRINTK(P9_DEBUG_MUX, "schedule read work %p\n", m);
 			queue_work(p9_mux_wq, &m->rq);
-		} else
-			clear_bit(Rworksched, &m->wsched);
-	} else
-		clear_bit(Rworksched, &m->wsched);
-
-	return;
+		}
+	}
 
-error:
-	p9_conn_cancel(m, err);
-	clear_bit(Rworksched, &m->wsched);
+	if (n & POLLOUT) {
+		set_bit(Wpending, &m->wsched);
+		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can write\n", m);
+		if ((m->wsize || !list_empty(&m->unsent_req_list))
+		    && !test_and_set_bit(Wworksched, &m->wsched)) {
+			P9_DPRINTK(P9_DEBUG_MUX, "schedule write work %p\n", m);
+			queue_work(p9_mux_wq, &m->wq);
+		}
+	}
 }
 
 /**
@@ -1005,69 +1049,6 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 	return err;
 }
 
-#ifdef P9_NONBLOCK
-/**
- * p9_conn_rpcnb - sends 9P request without waiting for response.
- * @m: mux data
- * @tc: request to be sent
- * @cb: callback function to be called when response arrives
- * @a: value to pass to the callback function
- *
- */
-
-int p9_conn_rpcnb(struct p9_conn *m, struct p9_fcall *tc,
-		   p9_conn_req_callback cb, void *a)
-{
-	int err;
-	struct p9_req *req;
-
-	req = p9_send_request(m, tc, cb, a);
-	if (IS_ERR(req)) {
-		err = PTR_ERR(req);
-		P9_DPRINTK(P9_DEBUG_MUX, "error %d\n", err);
-		return PTR_ERR(req);
-	}
-
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p tc %p tag %d\n", m, tc, req->tag);
-	return 0;
-}
-#endif /* P9_NONBLOCK */
-
-/**
- * p9_conn_cancel - cancel all pending requests with error
- * @m: mux data
- * @err: error code
- *
- */
-
-void p9_conn_cancel(struct p9_conn *m, int err)
-{
-	struct p9_req *req, *rtmp;
-	LIST_HEAD(cancel_list);
-
-	P9_DPRINTK(P9_DEBUG_ERROR, "mux %p err %d\n", m, err);
-	m->err = err;
-	spin_lock(&m->lock);
-	list_for_each_entry_safe(req, rtmp, &m->req_list, req_list) {
-		list_move(&req->req_list, &cancel_list);
-	}
-	list_for_each_entry_safe(req, rtmp, &m->unsent_req_list, req_list) {
-		list_move(&req->req_list, &cancel_list);
-	}
-	spin_unlock(&m->lock);
-
-	list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) {
-		list_del(&req->req_list);
-		if (!req->err)
-			req->err = err;
-
-		if (req->cb)
-			(*req->cb) (req, req->cba);
-		else
-			kfree(req->rcall);
-	}
-}
-
 /**
  * parse_options - parse mount options into session structure
  * @options: options string passed from mount
@@ -1177,97 +1158,25 @@ static int p9_socket_open(struct p9_client *client, struct socket *csocket)
 }
 
 /**
- * p9_fd_read- read from a fd
- * @client: client instance
- * @v: buffer to receive data into
- * @len: size of receive buffer
- *
- */
-
-static int p9_fd_read(struct p9_client *client, void *v, int len)
-{
-	int ret;
-	struct p9_trans_fd *ts = NULL;
-
-	if (client && client->status != Disconnected)
-		ts = client->trans;
-
-	if (!ts)
-		return -EREMOTEIO;
-
-	if (!(ts->rd->f_flags & O_NONBLOCK))
-		P9_DPRINTK(P9_DEBUG_ERROR, "blocking read ...\n");
-
-	ret = kernel_read(ts->rd, ts->rd->f_pos, v, len);
-	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
-		client->status = Disconnected;
-	return ret;
-}
-
-/**
- * p9_fd_write - write to a socket
- * @client: client instance
- * @v: buffer to send data from
- * @len: size of send buffer
+ * p9_mux_destroy - cancels all pending requests and frees mux resources
+ * @m: mux to destroy
  *
  */
 
-static int p9_fd_write(struct p9_client *client, void *v, int len)
-{
-	int ret;
-	mm_segment_t oldfs;
-	struct p9_trans_fd *ts = NULL;
-
-	if (client && client->status != Disconnected)
-		ts = client->trans;
-
-	if (!ts)
-		return -EREMOTEIO;
-
-	if (!(ts->wr->f_flags & O_NONBLOCK))
-		P9_DPRINTK(P9_DEBUG_ERROR, "blocking write ...\n");
-
-	oldfs = get_fs();
-	set_fs(get_ds());
-	/* The cast to a user pointer is valid due to the set_fs() */
-	ret = vfs_write(ts->wr, (void __user *)v, len, &ts->wr->f_pos);
-	set_fs(oldfs);
-
-	if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN)
-		client->status = Disconnected;
-	return ret;
-}
-
-static unsigned int
-p9_fd_poll(struct p9_client *client, struct poll_table_struct *pt)
+static void p9_conn_destroy(struct p9_conn *m)
 {
-	int ret, n;
-	struct p9_trans_fd *ts = NULL;
-
-	if (client && client->status == Connected)
-		ts = client->trans;
-
-	if (!ts)
-		return -EREMOTEIO;
-
-	if (!ts->rd->f_op || !ts->rd->f_op->poll)
-		return -EIO;
-
-	if (!ts->wr->f_op || !ts->wr->f_op->poll)
-		return -EIO;
+	P9_DPRINTK(P9_DEBUG_MUX, "mux %p prev %p next %p\n", m,
+		m->mux_list.prev, m->mux_list.next);
 
-	ret = ts->rd->f_op->poll(ts->rd, pt);
-	if (ret < 0)
-		return ret;
+	p9_mux_poll_stop(m);
+	cancel_work_sync(&m->rq);
+	cancel_work_sync(&m->wq);
 
-	if (ts->rd != ts->wr) {
-		n = ts->wr->f_op->poll(ts->wr, pt);
-		if (n < 0)
-			return n;
-		ret = (ret & ~POLLOUT) | (n & ~POLLIN);
-	}
+	p9_conn_cancel(m, -ECONNRESET);
 
-	return ret;
+	m->client = NULL;
+	p9_idpool_destroy(m->tagpool);
+	kfree(m);
 }
 
 /**
@@ -1492,6 +1401,49 @@ static struct p9_trans_module p9_fd_trans = {
 	.owner = THIS_MODULE,
 };
 
+/**
+ * p9_poll_proc - poll worker thread
+ * @a: thread state and arguments
+ *
+ * polls all v9fs transports for new events and queues the appropriate
+ * work to the work queue
+ *
+ */
+
+static int p9_poll_proc(void *a)
+{
+	unsigned long flags;
+
+	P9_DPRINTK(P9_DEBUG_MUX, "start %p\n", current);
+ repeat:
+	spin_lock_irqsave(&p9_poll_lock, flags);
+	while (!list_empty(&p9_poll_pending_list)) {
+		struct p9_conn *conn = list_first_entry(&p9_poll_pending_list,
+							struct p9_conn,
+							poll_pending_link);
+		list_del_init(&conn->poll_pending_link);
+		spin_unlock_irqrestore(&p9_poll_lock, flags);
+
+		p9_poll_mux(conn);
+
+		spin_lock_irqsave(&p9_poll_lock, flags);
+	}
+	spin_unlock_irqrestore(&p9_poll_lock, flags);
+
+	set_current_state(TASK_INTERRUPTIBLE);
+	if (list_empty(&p9_poll_pending_list)) {
+		P9_DPRINTK(P9_DEBUG_MUX, "sleeping...\n");
+		schedule();
+	}
+	__set_current_state(TASK_RUNNING);
+
+	if (!kthread_should_stop())
+		goto repeat;
+
+	P9_DPRINTK(P9_DEBUG_MUX, "finish\n");
+	return 0;
+}
+
 int p9_trans_fd_init(void)
 {
 	p9_mux_wq = create_workqueue("v9fs");
-- 
GitLab


From 21c003687e2d1c589cf177a3ba17fd439af94850 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 18:45:24 -0500
Subject: [PATCH 0909/2224] 9p: consolidate mux_rpc and request structure

Currently, trans_fd has two structures (p9_req and p9_mux-rpc)
which contain mostly duplicate data.

This patch consolidates these two structures and removes p9_mux_rpc.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/trans_fd.c | 68 +++++++++++++++--------------------------------
 1 file changed, 22 insertions(+), 46 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 334d39cc5ba..dbb057d7fa5 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -119,6 +119,8 @@ typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
  * @cba: argument to pass to callback
  * @flush: flag to indicate RPC has been flushed
  * @req_list: list link for higher level objects to chain requests
+ * @m: connection this request was issued on
+ * @wqueue: wait queue that client is blocked on for this rpc
  *
  */
 
@@ -132,6 +134,8 @@ struct p9_req {
 	void *cba;
 	int flush;
 	struct list_head req_list;
+	struct p9_conn *m;
+	wait_queue_head_t wqueue;
 };
 
 struct p9_poll_wait {
@@ -186,25 +190,6 @@ struct p9_conn {
 	unsigned long wsched;
 };
 
-/**
- * struct p9_mux_rpc - fd mux rpc accounting structure
- * @m: connection this request was issued on
- * @err: error state
- * @tcall: request &p9_fcall
- * @rcall: response &p9_fcall
- * @wqueue: wait queue that client is blocked on for this rpc
- *
- * Bug: isn't this information duplicated elsewhere like &p9_req
- */
-
-struct p9_mux_rpc {
-	struct p9_conn *m;
-	int err;
-	struct p9_fcall *tcall;
-	struct p9_fcall *rcall;
-	wait_queue_head_t wqueue;
-};
-
 static DEFINE_SPINLOCK(p9_poll_lock);
 static LIST_HEAD(p9_poll_pending_list);
 static struct workqueue_struct *p9_mux_wq;
@@ -844,6 +829,8 @@ static struct p9_req *p9_send_request(struct p9_conn *m,
 #endif
 
 	spin_lock_init(&req->lock);
+	req->m = m;
+	init_waitqueue_head(&req->wqueue);
 	req->tag = n;
 	req->tcall = tc;
 	req->rcall = NULL;
@@ -954,20 +941,14 @@ p9_mux_flush_request(struct p9_conn *m, struct p9_req *req)
 	return 1;
 }
 
-static void
-p9_conn_rpc_cb(struct p9_req *req, void *a)
+static void p9_conn_rpc_cb(struct p9_req *req, void *a)
 {
-	struct p9_mux_rpc *r;
-
-	P9_DPRINTK(P9_DEBUG_MUX, "req %p r %p\n", req, a);
-	r = a;
-	r->rcall = req->rcall;
-	r->err = req->err;
+	P9_DPRINTK(P9_DEBUG_MUX, "req %p arg %p\n", req, a);
 
 	if (req->flush != None && !req->err)
-		r->err = -ERESTARTSYS;
+		req->err = -ERESTARTSYS;
 
-	wake_up(&r->wqueue);
+	wake_up(&req->wqueue);
 }
 
 /**
@@ -987,13 +968,6 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 	int err, sigpending;
 	unsigned long flags;
 	struct p9_req *req;
-	struct p9_mux_rpc r;
-
-	r.err = 0;
-	r.tcall = tc;
-	r.rcall = NULL;
-	r.m = m;
-	init_waitqueue_head(&r.wqueue);
 
 	if (rc)
 		*rc = NULL;
@@ -1004,16 +978,17 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 		clear_thread_flag(TIF_SIGPENDING);
 	}
 
-	req = p9_send_request(m, tc, p9_conn_rpc_cb, &r);
+	req = p9_send_request(m, tc, p9_conn_rpc_cb, NULL);
 	if (IS_ERR(req)) {
 		err = PTR_ERR(req);
 		P9_DPRINTK(P9_DEBUG_MUX, "error %d\n", err);
 		return err;
 	}
 
-	err = wait_event_interruptible(r.wqueue, r.rcall != NULL || r.err < 0);
-	if (r.err < 0)
-		err = r.err;
+	err = wait_event_interruptible(req->wqueue, req->rcall != NULL ||
+								req->err < 0);
+	if (req->err < 0)
+		err = req->err;
 
 	if (err == -ERESTARTSYS && client->status == Connected
 							&& m->err == 0) {
@@ -1021,10 +996,11 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 			/* wait until we get response of the flush message */
 			do {
 				clear_thread_flag(TIF_SIGPENDING);
-				err = wait_event_interruptible(r.wqueue,
-					r.rcall || r.err);
-			} while (!r.rcall && !r.err && err == -ERESTARTSYS &&
-				client->status == Connected && !m->err);
+				err = wait_event_interruptible(req->wqueue,
+					req->rcall || req->err);
+			} while (!req->rcall && !req->err &&
+					err == -ERESTARTSYS &&
+					client->status == Connected && !m->err);
 
 			err = -ERESTARTSYS;
 		}
@@ -1038,9 +1014,9 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 	}
 
 	if (rc)
-		*rc = r.rcall;
+		*rc = req->rcall;
 	else
-		kfree(r.rcall);
+		kfree(req->rcall);
 
 	p9_mux_free_request(m, req);
 	if (err > 0)
-- 
GitLab


From 044c7768841f1ef39f951972d3c1e6537a535030 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 18:45:23 -0500
Subject: [PATCH 0910/2224] 9p: eliminate callback complexity

The current trans_fd rpc mechanisms use a dynamic callback mechanism which
introduces a lot of complexity which only accomodates a single special case.
This patch removes much of that complexity in favor of a simple exception
mechanism to deal with flushes.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/trans_fd.c | 149 ++++++++++++++++++++--------------------------
 1 file changed, 66 insertions(+), 83 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index dbb057d7fa5..180163b3e8f 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -105,9 +105,6 @@ enum {
 	Flushed,
 };
 
-struct p9_req;
-typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
-
 /**
  * struct p9_req - fd mux encoding of an rpc transaction
  * @lock: protects req_list
@@ -115,8 +112,6 @@ typedef void (*p9_conn_req_callback)(struct p9_req *req, void *a);
  * @tcall: request &p9_fcall structure
  * @rcall: response &p9_fcall structure
  * @err: error state
- * @cb: callback for when response is received
- * @cba: argument to pass to callback
  * @flush: flag to indicate RPC has been flushed
  * @req_list: list link for higher level objects to chain requests
  * @m: connection this request was issued on
@@ -130,8 +125,6 @@ struct p9_req {
 	struct p9_fcall *tcall;
 	struct p9_fcall *rcall;
 	int err;
-	p9_conn_req_callback cb;
-	void *cba;
 	int flush;
 	struct list_head req_list;
 	struct p9_conn *m;
@@ -231,6 +224,65 @@ static void p9_mux_poll_stop(struct p9_conn *m)
 	spin_unlock_irqrestore(&p9_poll_lock, flags);
 }
 
+static void p9_mux_free_request(struct p9_conn *m, struct p9_req *req)
+{
+	p9_mux_put_tag(m, req->tag);
+	kfree(req);
+}
+
+static void p9_conn_rpc_cb(struct p9_req *req);
+
+static void p9_mux_flush_cb(struct p9_req *freq)
+{
+	int tag;
+	struct p9_conn *m = freq->m;
+	struct p9_req *req, *rreq, *rptr;
+
+	P9_DPRINTK(P9_DEBUG_MUX, "mux %p tc %p rc %p err %d oldtag %d\n", m,
+		freq->tcall, freq->rcall, freq->err,
+		freq->tcall->params.tflush.oldtag);
+
+	spin_lock(&m->lock);
+	tag = freq->tcall->params.tflush.oldtag;
+	req = NULL;
+	list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) {
+		if (rreq->tag == tag) {
+			req = rreq;
+			list_del(&req->req_list);
+			break;
+		}
+	}
+	spin_unlock(&m->lock);
+
+	if (req) {
+		spin_lock(&req->lock);
+		req->flush = Flushed;
+		spin_unlock(&req->lock);
+
+		p9_conn_rpc_cb(req);
+	}
+
+	kfree(freq->tcall);
+	kfree(freq->rcall);
+	p9_mux_free_request(m, freq);
+}
+
+static void p9_conn_rpc_cb(struct p9_req *req)
+{
+	P9_DPRINTK(P9_DEBUG_MUX, "req %p\n", req);
+
+	if (req->tcall->id == P9_TFLUSH) { /* flush callback */
+		P9_DPRINTK(P9_DEBUG_MUX, "flush req %p\n", req);
+		p9_mux_flush_cb(req);
+	} else {			/* normal wakeup path */
+		P9_DPRINTK(P9_DEBUG_MUX, "normal req %p\n", req);
+		if (req->flush != None && !req->err)
+			req->err = -ERESTARTSYS;
+
+		wake_up(&req->wqueue);
+	}
+}
+
 /**
  * p9_conn_cancel - cancel all pending requests with error
  * @m: mux data
@@ -259,10 +311,7 @@ void p9_conn_cancel(struct p9_conn *m, int err)
 		if (!req->err)
 			req->err = err;
 
-		if (req->cb)
-			(*req->cb) (req, req->cba);
-		else
-			kfree(req->rcall);
+		p9_conn_rpc_cb(req);
 	}
 }
 
@@ -472,12 +521,8 @@ static void p9_read_work(struct work_struct *work)
 			req->rcall = rcall;
 			process_request(m, req);
 
-			if (req->flush != Flushing) {
-				if (req->cb)
-					(*req->cb) (req, req->cba);
-				else
-					kfree(req->rcall);
-			}
+			if (req->flush != Flushing)
+				p9_conn_rpc_cb(req);
 		} else {
 			if (err >= 0 && rcall->id != P9_RFLUSH)
 				P9_DPRINTK(P9_DEBUG_ERROR,
@@ -786,14 +831,10 @@ static void p9_poll_mux(struct p9_conn *m)
  *
  * @m: mux data
  * @tc: request to be sent
- * @cb: callback function to call when response is received
- * @cba: parameter to pass to the callback function
  *
  */
 
-static struct p9_req *p9_send_request(struct p9_conn *m,
-					  struct p9_fcall *tc,
-					  p9_conn_req_callback cb, void *cba)
+static struct p9_req *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
 {
 	int n;
 	struct p9_req *req;
@@ -835,8 +876,6 @@ static struct p9_req *p9_send_request(struct p9_conn *m,
 	req->tcall = tc;
 	req->rcall = NULL;
 	req->err = 0;
-	req->cb = cb;
-	req->cba = cba;
 	req->flush = None;
 
 	spin_lock(&m->lock);
@@ -854,51 +893,6 @@ static struct p9_req *p9_send_request(struct p9_conn *m,
 	return req;
 }
 
-static void p9_mux_free_request(struct p9_conn *m, struct p9_req *req)
-{
-	p9_mux_put_tag(m, req->tag);
-	kfree(req);
-}
-
-static void p9_mux_flush_cb(struct p9_req *freq, void *a)
-{
-	int tag;
-	struct p9_conn *m;
-	struct p9_req *req, *rreq, *rptr;
-
-	m = a;
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p tc %p rc %p err %d oldtag %d\n", m,
-		freq->tcall, freq->rcall, freq->err,
-		freq->tcall->params.tflush.oldtag);
-
-	spin_lock(&m->lock);
-	tag = freq->tcall->params.tflush.oldtag;
-	req = NULL;
-	list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) {
-		if (rreq->tag == tag) {
-			req = rreq;
-			list_del(&req->req_list);
-			break;
-		}
-	}
-	spin_unlock(&m->lock);
-
-	if (req) {
-		spin_lock(&req->lock);
-		req->flush = Flushed;
-		spin_unlock(&req->lock);
-
-		if (req->cb)
-			(*req->cb) (req, req->cba);
-		else
-			kfree(req->rcall);
-	}
-
-	kfree(freq->tcall);
-	kfree(freq->rcall);
-	p9_mux_free_request(m, freq);
-}
-
 static int
 p9_mux_flush_request(struct p9_conn *m, struct p9_req *req)
 {
@@ -928,8 +922,7 @@ p9_mux_flush_request(struct p9_conn *m, struct p9_req *req)
 			list_del(&rreq->req_list);
 			req->flush = Flushed;
 			spin_unlock(&m->lock);
-			if (req->cb)
-				(*req->cb) (req, req->cba);
+			p9_conn_rpc_cb(req);
 			return 0;
 		}
 	}
@@ -937,20 +930,10 @@ p9_mux_flush_request(struct p9_conn *m, struct p9_req *req)
 
 	clear_thread_flag(TIF_SIGPENDING);
 	fc = p9_create_tflush(req->tag);
-	p9_send_request(m, fc, p9_mux_flush_cb, m);
+	p9_send_request(m, fc);
 	return 1;
 }
 
-static void p9_conn_rpc_cb(struct p9_req *req, void *a)
-{
-	P9_DPRINTK(P9_DEBUG_MUX, "req %p arg %p\n", req, a);
-
-	if (req->flush != None && !req->err)
-		req->err = -ERESTARTSYS;
-
-	wake_up(&req->wqueue);
-}
-
 /**
  * p9_fd_rpc- sends 9P request and waits until a response is available.
  *	The function can be interrupted.
@@ -978,7 +961,7 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 		clear_thread_flag(TIF_SIGPENDING);
 	}
 
-	req = p9_send_request(m, tc, p9_conn_rpc_cb, NULL);
+	req = p9_send_request(m, tc);
 	if (IS_ERR(req)) {
 		err = PTR_ERR(req);
 		P9_DPRINTK(P9_DEBUG_MUX, "error %d\n", err);
-- 
GitLab


From fea511a644fb0fb938309c6ab286725ac31b87e2 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 18:45:23 -0500
Subject: [PATCH 0911/2224] 9p: move request management to client code

The virtio transport uses a simplified request management system
that I want to use for all transports.  This patch adapts and moves the
exisiting code for managing requests to the client common code.
Later patches will apply these mechanisms to the other transports.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/client.h |  77 ++++++++++++++++++++
 net/9p/client.c         | 152 ++++++++++++++++++++++++++++++++++++++++
 net/9p/trans_virtio.c   | 136 +++--------------------------------
 3 files changed, 238 insertions(+), 127 deletions(-)

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index c35fb548e7c..140cf1d5845 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -26,6 +26,9 @@
 #ifndef NET_9P_CLIENT_H
 #define NET_9P_CLIENT_H
 
+/* Number of requests per row */
+#define P9_ROW_MAXTAG 255
+
 /**
  * enum p9_trans_status - different states of underlying transports
  * @Connected: transport is connected and healthy
@@ -42,6 +45,62 @@ enum p9_trans_status {
 	Hung,
 };
 
+/**
+ * enum p9_req_status_t - virtio request status
+ * @REQ_STATUS_IDLE: request slot unused
+ * @REQ_STATUS_ALLOC: request has been allocated but not sent
+ * @REQ_STATUS_SENT: request sent to server
+ * @REQ_STATUS_FLSH: a flush has been sent for this request
+ * @REQ_STATUS_RCVD: response received from server
+ * @REQ_STATUS_FLSHD: request has been flushed
+ * @REQ_STATUS_ERR: request encountered an error on the client side
+ *
+ * The @REQ_STATUS_IDLE state is used to mark a request slot as unused
+ * but use is actually tracked by the idpool structure which handles tag
+ * id allocation.
+ *
+ */
+
+enum p9_req_status_t {
+	REQ_STATUS_IDLE,
+	REQ_STATUS_ALLOC,
+	REQ_STATUS_SENT,
+	REQ_STATUS_FLSH,
+	REQ_STATUS_RCVD,
+	REQ_STATUS_FLSHD,
+	REQ_STATUS_ERROR,
+};
+
+/**
+ * struct p9_req_t - request slots
+ * @status: status of this request slot
+ * @t_err: transport error
+ * @wq: wait_queue for the client to block on for this request
+ * @tc: the request fcall structure
+ * @rc: the response fcall structure
+ * @aux: transport specific data (provided for trans_fd migration)
+ *
+ * Transport use an array to track outstanding requests
+ * instead of a list.  While this may incurr overhead during initial
+ * allocation or expansion, it makes request lookup much easier as the
+ * tag id is a index into an array.  (We use tag+1 so that we can accomodate
+ * the -1 tag for the T_VERSION request).
+ * This also has the nice effect of only having to allocate wait_queues
+ * once, instead of constantly allocating and freeing them.  Its possible
+ * other resources could benefit from this scheme as well.
+ *
+ */
+
+struct p9_req_t {
+	int status;
+	int t_err;
+	wait_queue_head_t *wq;
+	struct p9_fcall *tc;
+	struct p9_fcall *rc;
+	u16 flush_tag;
+	void *aux;
+};
+
 /**
  * struct p9_client - per client instance state
  * @lock: protect @fidlist
@@ -52,9 +111,20 @@ enum p9_trans_status {
  * @conn: connection state information used by trans_fd
  * @fidpool: fid handle accounting for session
  * @fidlist: List of active fid handles
+ * @tagpool - transaction id accounting for session
+ * @reqs - 2D array of requests
+ * @max_tag - current maximum tag id allocated
  *
  * The client structure is used to keep track of various per-client
  * state that has been instantiated.
+ * In order to minimize per-transaction overhead we use a
+ * simple array to lookup requests instead of a hash table
+ * or linked list.  In order to support larger number of
+ * transactions, we make this a 2D array, allocating new rows
+ * when we need to grow the total number of the transactions.
+ *
+ * Each row is 256 requests and we'll support up to 256 rows for
+ * a total of 64k concurrent requests per session.
  *
  * Bugs: duplicated data and potentially unnecessary elements.
  */
@@ -70,6 +140,10 @@ struct p9_client {
 
 	struct p9_idpool *fidpool;
 	struct list_head fidlist;
+
+	struct p9_idpool *tagpool;
+	struct p9_req_t *reqs[P9_ROW_MAXTAG];
+	int max_tag;
 };
 
 /**
@@ -131,4 +205,7 @@ struct p9_stat *p9_client_stat(struct p9_fid *fid);
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
 struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset);
 
+struct p9_req_t *p9_tag_alloc(struct p9_client *, u16);
+struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
+
 #endif /* NET_9P_CLIENT_H */
diff --git a/net/9p/client.c b/net/9p/client.c
index 712d4f336ad..867031934f7 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -120,6 +120,154 @@ static int parse_opts(char *opts, struct p9_client *clnt)
 	return ret;
 }
 
+/**
+ * p9_tag_alloc - lookup/allocate a request by tag
+ * @c: client session to lookup tag within
+ * @tag: numeric id for transaction
+ *
+ * this is a simple array lookup, but will grow the
+ * request_slots as necessary to accomodate transaction
+ * ids which did not previously have a slot.
+ *
+ * this code relies on the client spinlock to manage locks, its
+ * possible we should switch to something else, but I'd rather
+ * stick with something low-overhead for the common case.
+ *
+ */
+
+struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
+{
+	unsigned long flags;
+	int row, col;
+
+	/* This looks up the original request by tag so we know which
+	 * buffer to read the data into */
+	tag++;
+
+	if (tag >= c->max_tag) {
+		spin_lock_irqsave(&c->lock, flags);
+		/* check again since original check was outside of lock */
+		while (tag >= c->max_tag) {
+			row = (tag / P9_ROW_MAXTAG);
+			c->reqs[row] = kcalloc(P9_ROW_MAXTAG,
+					sizeof(struct p9_req_t), GFP_ATOMIC);
+
+			if (!c->reqs[row]) {
+				printk(KERN_ERR "Couldn't grow tag array\n");
+				BUG();
+			}
+			for (col = 0; col < P9_ROW_MAXTAG; col++) {
+				c->reqs[row][col].status = REQ_STATUS_IDLE;
+				c->reqs[row][col].flush_tag = P9_NOTAG;
+				c->reqs[row][col].wq = kmalloc(
+					sizeof(wait_queue_head_t), GFP_ATOMIC);
+				if (!c->reqs[row][col].wq) {
+					printk(KERN_ERR
+						"Couldn't grow tag array\n");
+					BUG();
+				}
+				init_waitqueue_head(c->reqs[row][col].wq);
+			}
+			c->max_tag += P9_ROW_MAXTAG;
+		}
+		spin_unlock_irqrestore(&c->lock, flags);
+	}
+	row = tag / P9_ROW_MAXTAG;
+	col = tag % P9_ROW_MAXTAG;
+
+	c->reqs[row][col].status = REQ_STATUS_ALLOC;
+	c->reqs[row][col].flush_tag = P9_NOTAG;
+
+	return &c->reqs[row][col];
+}
+EXPORT_SYMBOL(p9_tag_alloc);
+
+/**
+ * p9_tag_lookup - lookup a request by tag
+ * @c: client session to lookup tag within
+ * @tag: numeric id for transaction
+ *
+ */
+
+struct p9_req_t *p9_tag_lookup(struct p9_client *c, u16 tag)
+{
+	int row, col;
+
+	/* This looks up the original request by tag so we know which
+	 * buffer to read the data into */
+	tag++;
+
+	BUG_ON(tag >= c->max_tag);
+
+	row = tag / P9_ROW_MAXTAG;
+	col = tag % P9_ROW_MAXTAG;
+
+	return &c->reqs[row][col];
+}
+EXPORT_SYMBOL(p9_tag_lookup);
+
+/**
+ * p9_tag_init - setup tags structure and contents
+ * @tags: tags structure from the client struct
+ *
+ * This initializes the tags structure for each client instance.
+ *
+ */
+
+static int p9_tag_init(struct p9_client *c)
+{
+	int err = 0;
+
+	c->tagpool = p9_idpool_create();
+	if (IS_ERR(c->tagpool)) {
+		err = PTR_ERR(c->tagpool);
+		c->tagpool = NULL;
+		goto error;
+	}
+
+	p9_idpool_get(c->tagpool); /* reserve tag 0 */
+
+	c->max_tag = 0;
+error:
+	return err;
+}
+
+/**
+ * p9_tag_cleanup - cleans up tags structure and reclaims resources
+ * @tags: tags structure from the client struct
+ *
+ * This frees resources associated with the tags structure
+ *
+ */
+static void p9_tag_cleanup(struct p9_client *c)
+{
+	int row, col;
+
+	/* check to insure all requests are idle */
+	for (row = 0; row < (c->max_tag/P9_ROW_MAXTAG); row++) {
+		for (col = 0; col < P9_ROW_MAXTAG; col++) {
+			if (c->reqs[row][col].status != REQ_STATUS_IDLE) {
+				P9_DPRINTK(P9_DEBUG_MUX,
+				  "Attempting to cleanup non-free tag %d,%d\n",
+				  row, col);
+				/* TODO: delay execution of cleanup */
+				return;
+			}
+		}
+	}
+
+	if (c->tagpool)
+		p9_idpool_destroy(c->tagpool);
+
+	/* free requests associated with tags */
+	for (row = 0; row < (c->max_tag/P9_ROW_MAXTAG); row++) {
+		for (col = 0; col < P9_ROW_MAXTAG; col++)
+			kfree(c->reqs[row][col].wq);
+		kfree(c->reqs[row]);
+	}
+	c->max_tag = 0;
+}
+
 static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 {
 	int err;
@@ -209,6 +357,8 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
 		goto error;
 	}
 
+	p9_tag_init(clnt);
+
 	err = parse_opts(options, clnt);
 	if (err < 0)
 		goto error;
@@ -285,6 +435,8 @@ void p9_client_destroy(struct p9_client *clnt)
 	if (clnt->fidpool)
 		p9_idpool_destroy(clnt->fidpool);
 
+	p9_tag_cleanup(clnt);
+
 	kfree(clnt);
 }
 EXPORT_SYMBOL(p9_client_destroy);
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 72493f04a76..36bce45e4e4 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -1,12 +1,10 @@
 /*
- * The Guest 9p transport driver
+ * The Virtio 9p transport driver
  *
  * This is a block based transport driver based on the lguest block driver
  * code.
  *
- */
-/*
- *  Copyright (C) 2007 Eric Van Hensbergen, IBM Corporation
+ *  Copyright (C) 2007, 2008 Eric Van Hensbergen, IBM Corporation
  *
  *  Based on virtio console driver
  *  Copyright (C) 2006, 2007 Rusty Russell, IBM Corporation
@@ -54,49 +52,6 @@ static DEFINE_MUTEX(virtio_9p_lock);
 /* global which tracks highest initialized channel */
 static int chan_index;
 
-#define P9_INIT_MAXTAG	16
-
-/**
- * enum p9_req_status_t - virtio request status
- * @REQ_STATUS_IDLE: request slot unused
- * @REQ_STATUS_SENT: request sent to server
- * @REQ_STATUS_RCVD: response received from server
- * @REQ_STATUS_FLSH: request has been flushed
- *
- * The @REQ_STATUS_IDLE state is used to mark a request slot as unused
- * but use is actually tracked by the idpool structure which handles tag
- * id allocation.
- *
- */
-
-enum p9_req_status_t {
-	REQ_STATUS_IDLE,
-	REQ_STATUS_SENT,
-	REQ_STATUS_RCVD,
-	REQ_STATUS_FLSH,
-};
-
-/**
- * struct p9_req_t - virtio request slots
- * @status: status of this request slot
- * @wq: wait_queue for the client to block on for this request
- *
- * The virtio transport uses an array to track outstanding requests
- * instead of a list.  While this may incurr overhead during initial
- * allocation or expansion, it makes request lookup much easier as the
- * tag id is a index into an array.  (We use tag+1 so that we can accomodate
- * the -1 tag for the T_VERSION request).
- * This also has the nice effect of only having to allocate wait_queues
- * once, instead of constantly allocating and freeing them.  Its possible
- * other resources could benefit from this scheme as well.
- *
- */
-
-struct p9_req_t {
-	int status;
-	wait_queue_head_t *wq;
-};
-
 /**
  * struct virtio_chan - per-instance transport information
  * @initialized: whether the channel is initialized
@@ -121,67 +76,14 @@ static struct virtio_chan {
 
 	spinlock_t lock;
 
+	struct p9_client *client;
 	struct virtio_device *vdev;
 	struct virtqueue *vq;
 
-	struct p9_idpool *tagpool;
-	struct p9_req_t *reqs;
-	int max_tag;
-
 	/* Scatterlist: can be too big for stack. */
 	struct scatterlist sg[VIRTQUEUE_NUM];
 } channels[MAX_9P_CHAN];
 
-/**
- * p9_lookup_tag - Lookup requests by tag
- * @c: virtio channel to lookup tag within
- * @tag: numeric id for transaction
- *
- * this is a simple array lookup, but will grow the
- * request_slots as necessary to accomodate transaction
- * ids which did not previously have a slot.
- *
- * Bugs: there is currently no upper limit on request slots set
- * here, but that should be constrained by the id accounting.
- */
-
-static struct p9_req_t *p9_lookup_tag(struct virtio_chan *c, u16 tag)
-{
-	/* This looks up the original request by tag so we know which
-	 * buffer to read the data into */
-	tag++;
-
-	while (tag >= c->max_tag) {
-		int old_max = c->max_tag;
-		int count;
-
-		if (c->max_tag)
-			c->max_tag *= 2;
-		else
-			c->max_tag = P9_INIT_MAXTAG;
-
-		c->reqs = krealloc(c->reqs, sizeof(struct p9_req_t)*c->max_tag,
-								GFP_ATOMIC);
-		if (!c->reqs) {
-			printk(KERN_ERR "Couldn't grow tag array\n");
-			BUG();
-		}
-		for (count = old_max; count < c->max_tag; count++) {
-			c->reqs[count].status = REQ_STATUS_IDLE;
-			c->reqs[count].wq = kmalloc(sizeof(wait_queue_head_t),
-								GFP_ATOMIC);
-			if (!c->reqs[count].wq) {
-				printk(KERN_ERR "Couldn't grow tag array\n");
-				BUG();
-			}
-			init_waitqueue_head(c->reqs[count].wq);
-		}
-	}
-
-	return &c->reqs[tag];
-}
-
-
 /* How many bytes left in this page. */
 static unsigned int rest_of_page(void *data)
 {
@@ -200,22 +102,10 @@ static unsigned int rest_of_page(void *data)
 static void p9_virtio_close(struct p9_client *client)
 {
 	struct virtio_chan *chan = client->trans;
-	int count;
-	unsigned long flags;
-
-	spin_lock_irqsave(&chan->lock, flags);
-	p9_idpool_destroy(chan->tagpool);
-	for (count = 0; count < chan->max_tag; count++)
-		kfree(chan->reqs[count].wq);
-	kfree(chan->reqs);
-	chan->max_tag = 0;
-	spin_unlock_irqrestore(&chan->lock, flags);
 
 	mutex_lock(&virtio_9p_lock);
 	chan->inuse = false;
 	mutex_unlock(&virtio_9p_lock);
-
-	client->trans = NULL;
 }
 
 /**
@@ -241,7 +131,7 @@ static void req_done(struct virtqueue *vq)
 
 	spin_lock_irqsave(&chan->lock, flags);
 	while ((rc = chan->vq->vq_ops->get_buf(chan->vq, &len)) != NULL) {
-		req = p9_lookup_tag(chan, rc->tag);
+		req = p9_tag_lookup(chan->client, rc->tag);
 		req->status = REQ_STATUS_RCVD;
 		wake_up(req->wq);
 	}
@@ -311,13 +201,13 @@ p9_virtio_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
 
 	n = P9_NOTAG;
 	if (tc->id != P9_TVERSION) {
-		n = p9_idpool_get(chan->tagpool);
+		n = p9_idpool_get(c->tagpool);
 		if (n < 0)
 			return -ENOMEM;
 	}
 
 	spin_lock_irqsave(&chan->lock, flags);
-	req = p9_lookup_tag(chan, n);
+	req = p9_tag_alloc(c, n);
 	spin_unlock_irqrestore(&chan->lock, flags);
 
 	p9_set_tag(tc, n);
@@ -357,8 +247,8 @@ p9_virtio_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
 	}
 #endif
 
-	if (n != P9_NOTAG && p9_idpool_check(n, chan->tagpool))
-		p9_idpool_put(n, chan->tagpool);
+	if (n != P9_NOTAG && p9_idpool_check(n, c->tagpool))
+		p9_idpool_put(n, c->tagpool);
 
 	req->status = REQ_STATUS_IDLE;
 
@@ -463,16 +353,8 @@ p9_virtio_create(struct p9_client *client, const char *devname, char *args)
 		return -ENODEV;
 	}
 
-	chan->tagpool = p9_idpool_create();
-	if (IS_ERR(chan->tagpool)) {
-		printk(KERN_ERR "9p: couldn't allocate tagpool\n");
-		return -ENOMEM;
-	}
-	p9_idpool_get(chan->tagpool); /* reserve tag 0 */
-	chan->max_tag = 0;
-	chan->reqs = NULL;
-
 	client->trans = (void *)chan;
+	chan->client = client;
 
 	return 0;
 }
-- 
GitLab


From ff683452f7bc52d7fd653cf5e67b1134555734c7 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 18:45:22 -0500
Subject: [PATCH 0912/2224] 9p: apply common tagpool handling to trans_fd

Simplify trans_fd by using new common client tagpool structure.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/trans_fd.c | 44 ++++++++++----------------------------------
 1 file changed, 10 insertions(+), 34 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 180163b3e8f..6243093934b 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -142,7 +142,6 @@ struct p9_poll_wait {
  * @lock: protects mux_list (?)
  * @mux_list: list link for mux to manage multiple connections (?)
  * @client: reference to client instance for this connection
- * @tagpool: id accounting for transactions
  * @err: error state
  * @req_list: accounting for requests which have been sent
  * @unsent_req_list: accounting for requests that haven't been sent
@@ -165,7 +164,6 @@ struct p9_conn {
 	spinlock_t lock; /* protect lock structure */
 	struct list_head mux_list;
 	struct p9_client *client;
-	struct p9_idpool *tagpool;
 	int err;
 	struct list_head req_list;
 	struct list_head unsent_req_list;
@@ -188,23 +186,6 @@ static LIST_HEAD(p9_poll_pending_list);
 static struct workqueue_struct *p9_mux_wq;
 static struct task_struct *p9_poll_task;
 
-static u16 p9_mux_get_tag(struct p9_conn *m)
-{
-	int tag;
-
-	tag = p9_idpool_get(m->tagpool);
-	if (tag < 0)
-		return P9_NOTAG;
-	else
-		return (u16) tag;
-}
-
-static void p9_mux_put_tag(struct p9_conn *m, u16 tag)
-{
-	if (tag != P9_NOTAG && p9_idpool_check(tag, m->tagpool))
-		p9_idpool_put(tag, m->tagpool);
-}
-
 static void p9_mux_poll_stop(struct p9_conn *m)
 {
 	unsigned long flags;
@@ -226,7 +207,9 @@ static void p9_mux_poll_stop(struct p9_conn *m)
 
 static void p9_mux_free_request(struct p9_conn *m, struct p9_req *req)
 {
-	p9_mux_put_tag(m, req->tag);
+	if (req->tag != P9_NOTAG &&
+	    p9_idpool_check(req->tag, m->client->tagpool))
+		p9_idpool_put(req->tag, m->client->tagpool);
 	kfree(req);
 }
 
@@ -745,11 +728,6 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
 	spin_lock_init(&m->lock);
 	INIT_LIST_HEAD(&m->mux_list);
 	m->client = client;
-	m->tagpool = p9_idpool_create();
-	if (IS_ERR(m->tagpool)) {
-		kfree(m);
-		return ERR_PTR(-ENOMEM);
-	}
 
 	INIT_LIST_HEAD(&m->req_list);
 	INIT_LIST_HEAD(&m->unsent_req_list);
@@ -848,14 +826,13 @@ static struct p9_req *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
 	if (!req)
 		return ERR_PTR(-ENOMEM);
 
-	if (tc->id == P9_TVERSION)
-		n = P9_NOTAG;
-	else
-		n = p9_mux_get_tag(m);
-
-	if (n < 0) {
-		kfree(req);
-		return ERR_PTR(-ENOMEM);
+	n = P9_NOTAG;
+	if (tc->id != P9_TVERSION) {
+		n = p9_idpool_get(m->client->tagpool);
+		if (n < 0) {
+			kfree(req);
+			return ERR_PTR(-ENOMEM);
+		}
 	}
 
 	p9_set_tag(tc, n);
@@ -1134,7 +1111,6 @@ static void p9_conn_destroy(struct p9_conn *m)
 	p9_conn_cancel(m, -ECONNRESET);
 
 	m->client = NULL;
-	p9_idpool_destroy(m->tagpool);
 	kfree(m);
 }
 
-- 
GitLab


From 673d62cdaac6ffbce980a349d3174b3929ceb9e5 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 18:45:22 -0500
Subject: [PATCH 0913/2224] 9p: apply common request code to trans_fd

Apply the now common p9_req_t structure to the fd transport.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/client.h |  10 +-
 net/9p/client.c         |  21 ++++
 net/9p/trans_fd.c       | 262 +++++++++++++++-------------------------
 net/9p/trans_virtio.c   |   5 +-
 4 files changed, 126 insertions(+), 172 deletions(-)

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 140cf1d5845..4fecaabd17b 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -49,11 +49,12 @@ enum p9_trans_status {
  * enum p9_req_status_t - virtio request status
  * @REQ_STATUS_IDLE: request slot unused
  * @REQ_STATUS_ALLOC: request has been allocated but not sent
+ * @REQ_STATUS_UNSENT: request waiting to be sent
  * @REQ_STATUS_SENT: request sent to server
  * @REQ_STATUS_FLSH: a flush has been sent for this request
  * @REQ_STATUS_RCVD: response received from server
  * @REQ_STATUS_FLSHD: request has been flushed
- * @REQ_STATUS_ERR: request encountered an error on the client side
+ * @REQ_STATUS_ERROR: request encountered an error on the client side
  *
  * The @REQ_STATUS_IDLE state is used to mark a request slot as unused
  * but use is actually tracked by the idpool structure which handles tag
@@ -64,6 +65,7 @@ enum p9_trans_status {
 enum p9_req_status_t {
 	REQ_STATUS_IDLE,
 	REQ_STATUS_ALLOC,
+	REQ_STATUS_UNSENT,
 	REQ_STATUS_SENT,
 	REQ_STATUS_FLSH,
 	REQ_STATUS_RCVD,
@@ -79,6 +81,8 @@ enum p9_req_status_t {
  * @tc: the request fcall structure
  * @rc: the response fcall structure
  * @aux: transport specific data (provided for trans_fd migration)
+ * @tag: tag on request (BUG: redundant)
+ * @req_list: link for higher level objects to chain requests
  *
  * Transport use an array to track outstanding requests
  * instead of a list.  While this may incurr overhead during initial
@@ -99,6 +103,9 @@ struct p9_req_t {
 	struct p9_fcall *rc;
 	u16 flush_tag;
 	void *aux;
+
+	int tag;
+	struct list_head req_list;
 };
 
 /**
@@ -207,5 +214,6 @@ struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset);
 
 struct p9_req_t *p9_tag_alloc(struct p9_client *, u16);
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
+void p9_free_req(struct p9_client *, struct p9_req_t *);
 
 #endif /* NET_9P_CLIENT_H */
diff --git a/net/9p/client.c b/net/9p/client.c
index 867031934f7..f2d07ef9e6a 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -268,6 +268,27 @@ static void p9_tag_cleanup(struct p9_client *c)
 	c->max_tag = 0;
 }
 
+/**
+ * p9_free_req - free a request and clean-up as necessary
+ * c: client state
+ * r: request to release
+ *
+ */
+
+void p9_free_req(struct p9_client *c, struct p9_req_t *r)
+{
+	r->flush_tag = P9_NOTAG;
+	r->status = REQ_STATUS_IDLE;
+	if (r->tc->tag != P9_NOTAG && p9_idpool_check(r->tc->tag, c->tagpool))
+		p9_idpool_put(r->tc->tag, c->tagpool);
+
+	/* if this was a flush request we have to free response fcall */
+	if (r->tc->id == P9_TFLUSH) {
+		kfree(r->tc);
+		kfree(r->rc);
+	}
+}
+
 static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 {
 	int err;
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 6243093934b..cc9bc739e9d 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -44,7 +44,6 @@
 
 #define P9_PORT 564
 #define MAX_SOCK_BUF (64*1024)
-#define ERREQFLUSH	1
 #define MAXPOLLWADDR	2
 
 /**
@@ -99,38 +98,6 @@ enum {
 	Wpending = 8,		/* can write */
 };
 
-enum {
-	None,
-	Flushing,
-	Flushed,
-};
-
-/**
- * struct p9_req - fd mux encoding of an rpc transaction
- * @lock: protects req_list
- * @tag: numeric tag for rpc transaction
- * @tcall: request &p9_fcall structure
- * @rcall: response &p9_fcall structure
- * @err: error state
- * @flush: flag to indicate RPC has been flushed
- * @req_list: list link for higher level objects to chain requests
- * @m: connection this request was issued on
- * @wqueue: wait queue that client is blocked on for this rpc
- *
- */
-
-struct p9_req {
-	spinlock_t lock;
-	int tag;
-	struct p9_fcall *tcall;
-	struct p9_fcall *rcall;
-	int err;
-	int flush;
-	struct list_head req_list;
-	struct p9_conn *m;
-	wait_queue_head_t wqueue;
-};
-
 struct p9_poll_wait {
 	struct p9_conn *conn;
 	wait_queue_t wait;
@@ -139,7 +106,6 @@ struct p9_poll_wait {
 
 /**
  * struct p9_conn - fd mux connection state information
- * @lock: protects mux_list (?)
  * @mux_list: list link for mux to manage multiple connections (?)
  * @client: reference to client instance for this connection
  * @err: error state
@@ -161,7 +127,6 @@ struct p9_poll_wait {
  */
 
 struct p9_conn {
-	spinlock_t lock; /* protect lock structure */
 	struct list_head mux_list;
 	struct p9_client *client;
 	int err;
@@ -205,64 +170,41 @@ static void p9_mux_poll_stop(struct p9_conn *m)
 	spin_unlock_irqrestore(&p9_poll_lock, flags);
 }
 
-static void p9_mux_free_request(struct p9_conn *m, struct p9_req *req)
-{
-	if (req->tag != P9_NOTAG &&
-	    p9_idpool_check(req->tag, m->client->tagpool))
-		p9_idpool_put(req->tag, m->client->tagpool);
-	kfree(req);
-}
-
-static void p9_conn_rpc_cb(struct p9_req *req);
+static void p9_conn_rpc_cb(struct p9_client *, struct p9_req_t *);
 
-static void p9_mux_flush_cb(struct p9_req *freq)
+static void p9_mux_flush_cb(struct p9_client *client, struct p9_req_t *freq)
 {
-	int tag;
-	struct p9_conn *m = freq->m;
-	struct p9_req *req, *rreq, *rptr;
+	struct p9_conn *m = client->trans;
+	struct p9_req_t *req;
 
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p tc %p rc %p err %d oldtag %d\n", m,
-		freq->tcall, freq->rcall, freq->err,
-		freq->tcall->params.tflush.oldtag);
-
-	spin_lock(&m->lock);
-	tag = freq->tcall->params.tflush.oldtag;
-	req = NULL;
-	list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) {
-		if (rreq->tag == tag) {
-			req = rreq;
-			list_del(&req->req_list);
-			break;
-		}
-	}
-	spin_unlock(&m->lock);
+		freq->tc, freq->rc, freq->t_err,
+		freq->tc->params.tflush.oldtag);
 
+	req = p9_tag_lookup(client, freq->tc->params.tflush.oldtag);
 	if (req) {
-		spin_lock(&req->lock);
-		req->flush = Flushed;
-		spin_unlock(&req->lock);
-
-		p9_conn_rpc_cb(req);
+		req->status = REQ_STATUS_FLSHD;
+		list_del(&req->req_list);
+		p9_conn_rpc_cb(client, req);
 	}
 
-	kfree(freq->tcall);
-	kfree(freq->rcall);
-	p9_mux_free_request(m, freq);
+	p9_free_req(client, freq);
 }
 
-static void p9_conn_rpc_cb(struct p9_req *req)
+static void p9_conn_rpc_cb(struct p9_client *client, struct p9_req_t *req)
 {
 	P9_DPRINTK(P9_DEBUG_MUX, "req %p\n", req);
 
-	if (req->tcall->id == P9_TFLUSH) { /* flush callback */
+	if (req->tc->id == P9_TFLUSH) { /* flush callback */
 		P9_DPRINTK(P9_DEBUG_MUX, "flush req %p\n", req);
-		p9_mux_flush_cb(req);
+		p9_mux_flush_cb(client, req);
 	} else {			/* normal wakeup path */
 		P9_DPRINTK(P9_DEBUG_MUX, "normal req %p\n", req);
-		if (req->flush != None && !req->err)
-			req->err = -ERESTARTSYS;
+		if (!req->t_err && (req->status == REQ_STATUS_FLSHD ||
+				 req->status == REQ_STATUS_FLSH))
+			req->t_err = -ERESTARTSYS;
 
-		wake_up(&req->wqueue);
+		wake_up(req->wq);
 	}
 }
 
@@ -275,59 +217,62 @@ static void p9_conn_rpc_cb(struct p9_req *req)
 
 void p9_conn_cancel(struct p9_conn *m, int err)
 {
-	struct p9_req *req, *rtmp;
+	struct p9_req_t *req, *rtmp;
 	LIST_HEAD(cancel_list);
 
 	P9_DPRINTK(P9_DEBUG_ERROR, "mux %p err %d\n", m, err);
 	m->err = err;
-	spin_lock(&m->lock);
+	spin_lock(&m->client->lock);
 	list_for_each_entry_safe(req, rtmp, &m->req_list, req_list) {
+		req->status = REQ_STATUS_ERROR;
+		if (!req->t_err)
+			req->t_err = err;
 		list_move(&req->req_list, &cancel_list);
 	}
 	list_for_each_entry_safe(req, rtmp, &m->unsent_req_list, req_list) {
+		req->status = REQ_STATUS_ERROR;
+		if (!req->t_err)
+			req->t_err = err;
 		list_move(&req->req_list, &cancel_list);
 	}
-	spin_unlock(&m->lock);
+	spin_unlock(&m->client->lock);
 
 	list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) {
 		list_del(&req->req_list);
-		if (!req->err)
-			req->err = err;
-
-		p9_conn_rpc_cb(req);
+		p9_conn_rpc_cb(m->client, req);
 	}
 }
 
-static void process_request(struct p9_conn *m, struct p9_req *req)
+static void process_request(struct p9_conn *m, struct p9_req_t *req)
 {
 	int ecode;
 	struct p9_str *ename;
 
-	if (!req->err && req->rcall->id == P9_RERROR) {
-		ecode = req->rcall->params.rerror.errno;
-		ename = &req->rcall->params.rerror.error;
+	if (!req->t_err && req->rc->id == P9_RERROR) {
+		ecode = req->rc->params.rerror.errno;
+		ename = &req->rc->params.rerror.error;
 
 		P9_DPRINTK(P9_DEBUG_MUX, "Rerror %.*s\n", ename->len,
 								ename->str);
 
 		if (m->client->dotu)
-			req->err = -ecode;
+			req->t_err = -ecode;
 
-		if (!req->err) {
-			req->err = p9_errstr2errno(ename->str, ename->len);
+		if (!req->t_err) {
+			req->t_err = p9_errstr2errno(ename->str, ename->len);
 
 			/* string match failed */
-			if (!req->err) {
-				PRINT_FCALL_ERROR("unknown error", req->rcall);
-				req->err = -ESERVERFAULT;
+			if (!req->t_err) {
+				PRINT_FCALL_ERROR("unknown error", req->rc);
+				req->t_err = -ESERVERFAULT;
 			}
 		}
-	} else if (req->tcall && req->rcall->id != req->tcall->id + 1) {
+	} else if (req->tc && req->rc->id != req->tc->id + 1) {
 		P9_DPRINTK(P9_DEBUG_ERROR,
 				"fcall mismatch: expected %d, got %d\n",
-				req->tcall->id + 1, req->rcall->id);
-		if (!req->err)
-			req->err = -EIO;
+				req->tc->id + 1, req->rc->id);
+		if (!req->t_err)
+			req->t_err = -EIO;
 	}
 }
 
@@ -401,7 +346,7 @@ static void p9_read_work(struct work_struct *work)
 {
 	int n, err;
 	struct p9_conn *m;
-	struct p9_req *req, *rptr, *rreq;
+	struct p9_req_t *req;
 	struct p9_fcall *rcall;
 	char *rbuf;
 
@@ -488,24 +433,19 @@ static void p9_read_work(struct work_struct *work)
 		P9_DPRINTK(P9_DEBUG_MUX, "mux %p fcall id %d tag %d\n", m,
 							rcall->id, rcall->tag);
 
-		req = NULL;
-		spin_lock(&m->lock);
-		list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) {
-			if (rreq->tag == rcall->tag) {
-				req = rreq;
-				if (req->flush != Flushing)
-					list_del(&req->req_list);
-				break;
-			}
-		}
-		spin_unlock(&m->lock);
+		req = p9_tag_lookup(m->client, rcall->tag);
 
 		if (req) {
-			req->rcall = rcall;
+			if (req->status != REQ_STATUS_FLSH) {
+				list_del(&req->req_list);
+				req->status = REQ_STATUS_RCVD;
+			}
+
+			req->rc = rcall;
 			process_request(m, req);
 
-			if (req->flush != Flushing)
-				p9_conn_rpc_cb(req);
+			if (req->status != REQ_STATUS_FLSH)
+				p9_conn_rpc_cb(m->client, req);
 		} else {
 			if (err >= 0 && rcall->id != P9_RFLUSH)
 				P9_DPRINTK(P9_DEBUG_ERROR,
@@ -580,7 +520,7 @@ static void p9_write_work(struct work_struct *work)
 {
 	int n, err;
 	struct p9_conn *m;
-	struct p9_req *req;
+	struct p9_req_t *req;
 
 	m = container_of(work, struct p9_conn, wq);
 
@@ -595,18 +535,16 @@ static void p9_write_work(struct work_struct *work)
 			return;
 		}
 
-		spin_lock(&m->lock);
-again:
-		req = list_entry(m->unsent_req_list.next, struct p9_req,
+		spin_lock(&m->client->lock);
+		req = list_entry(m->unsent_req_list.next, struct p9_req_t,
 			       req_list);
+		req->status = REQ_STATUS_SENT;
 		list_move_tail(&req->req_list, &m->req_list);
-		if (req->err == ERREQFLUSH)
-			goto again;
 
-		m->wbuf = req->tcall->sdata;
-		m->wsize = req->tcall->size;
+		m->wbuf = req->tc->sdata;
+		m->wsize = req->tc->size;
 		m->wpos = 0;
-		spin_unlock(&m->lock);
+		spin_unlock(&m->client->lock);
 	}
 
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p pos %d size %d\n", m, m->wpos,
@@ -725,7 +663,6 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
 	if (!m)
 		return ERR_PTR(-ENOMEM);
 
-	spin_lock_init(&m->lock);
 	INIT_LIST_HEAD(&m->mux_list);
 	m->client = client;
 
@@ -812,30 +749,27 @@ static void p9_poll_mux(struct p9_conn *m)
  *
  */
 
-static struct p9_req *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
+static struct p9_req_t *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
 {
+	int tag;
 	int n;
-	struct p9_req *req;
+	struct p9_req_t *req;
 
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p task %p tcall %p id %d\n", m, current,
 		tc, tc->id);
 	if (m->err < 0)
 		return ERR_PTR(m->err);
 
-	req = kmalloc(sizeof(struct p9_req), GFP_KERNEL);
-	if (!req)
-		return ERR_PTR(-ENOMEM);
-
-	n = P9_NOTAG;
+	tag = P9_NOTAG;
 	if (tc->id != P9_TVERSION) {
-		n = p9_idpool_get(m->client->tagpool);
-		if (n < 0) {
-			kfree(req);
+		tag = p9_idpool_get(m->client->tagpool);
+		if (tag < 0)
 			return ERR_PTR(-ENOMEM);
-		}
 	}
 
-	p9_set_tag(tc, n);
+	p9_set_tag(tc, tag);
+
+	req = p9_tag_alloc(m->client, tag);
 
 #ifdef CONFIG_NET_9P_DEBUG
 	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
@@ -846,18 +780,15 @@ static struct p9_req *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
 	}
 #endif
 
-	spin_lock_init(&req->lock);
-	req->m = m;
-	init_waitqueue_head(&req->wqueue);
-	req->tag = n;
-	req->tcall = tc;
-	req->rcall = NULL;
-	req->err = 0;
-	req->flush = None;
+	req->tag = tag;
+	req->tc = tc;
+	req->rc = NULL;
+	req->t_err = 0;
+	req->status = REQ_STATUS_UNSENT;
 
-	spin_lock(&m->lock);
+	spin_lock(&m->client->lock);
 	list_add_tail(&req->req_list, &m->unsent_req_list);
-	spin_unlock(&m->lock);
+	spin_unlock(&m->client->lock);
 
 	if (test_and_clear_bit(Wpending, &m->wsched))
 		n = POLLOUT;
@@ -871,39 +802,36 @@ static struct p9_req *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
 }
 
 static int
-p9_mux_flush_request(struct p9_conn *m, struct p9_req *req)
+p9_mux_flush_request(struct p9_conn *m, struct p9_req_t *req)
 {
 	struct p9_fcall *fc;
-	struct p9_req *rreq, *rptr;
+	struct p9_req_t *rreq, *rptr;
 
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p req %p tag %d\n", m, req, req->tag);
 
 	/* if a response was received for a request, do nothing */
-	spin_lock(&req->lock);
-	if (req->rcall || req->err) {
-		spin_unlock(&req->lock);
+	if (req->rc || req->t_err) {
 		P9_DPRINTK(P9_DEBUG_MUX,
 			"mux %p req %p response already received\n", m, req);
 		return 0;
 	}
 
-	req->flush = Flushing;
-	spin_unlock(&req->lock);
+	req->status = REQ_STATUS_FLSH;
 
-	spin_lock(&m->lock);
+	spin_lock(&m->client->lock);
 	/* if the request is not sent yet, just remove it from the list */
 	list_for_each_entry_safe(rreq, rptr, &m->unsent_req_list, req_list) {
 		if (rreq->tag == req->tag) {
 			P9_DPRINTK(P9_DEBUG_MUX,
 			   "mux %p req %p request is not sent yet\n", m, req);
 			list_del(&rreq->req_list);
-			req->flush = Flushed;
-			spin_unlock(&m->lock);
-			p9_conn_rpc_cb(req);
+			req->status = REQ_STATUS_FLSHD;
+			spin_unlock(&m->client->lock);
+			p9_conn_rpc_cb(m->client, req);
 			return 0;
 		}
 	}
-	spin_unlock(&m->lock);
+	spin_unlock(&m->client->lock);
 
 	clear_thread_flag(TIF_SIGPENDING);
 	fc = p9_create_tflush(req->tag);
@@ -927,7 +855,7 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 	struct p9_conn *m = p->conn;
 	int err, sigpending;
 	unsigned long flags;
-	struct p9_req *req;
+	struct p9_req_t *req;
 
 	if (rc)
 		*rc = NULL;
@@ -945,10 +873,10 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 		return err;
 	}
 
-	err = wait_event_interruptible(req->wqueue, req->rcall != NULL ||
-								req->err < 0);
-	if (req->err < 0)
-		err = req->err;
+	err = wait_event_interruptible(*req->wq, req->rc != NULL ||
+								req->t_err < 0);
+	if (req->t_err < 0)
+		err = req->t_err;
 
 	if (err == -ERESTARTSYS && client->status == Connected
 							&& m->err == 0) {
@@ -956,9 +884,9 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 			/* wait until we get response of the flush message */
 			do {
 				clear_thread_flag(TIF_SIGPENDING);
-				err = wait_event_interruptible(req->wqueue,
-					req->rcall || req->err);
-			} while (!req->rcall && !req->err &&
+				err = wait_event_interruptible(*req->wq,
+					req->rc || req->t_err);
+			} while (!req->rc && !req->t_err &&
 					err == -ERESTARTSYS &&
 					client->status == Connected && !m->err);
 
@@ -974,11 +902,11 @@ p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
 	}
 
 	if (rc)
-		*rc = req->rcall;
+		*rc = req->rc;
 	else
-		kfree(req->rcall);
+		kfree(req->rc);
 
-	p9_mux_free_request(m, req);
+	p9_free_req(client, req);
 	if (err > 0)
 		err = -EIO;
 
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 36bce45e4e4..e18de14c30d 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -247,10 +247,7 @@ p9_virtio_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
 	}
 #endif
 
-	if (n != P9_NOTAG && p9_idpool_check(n, c->tagpool))
-		p9_idpool_put(n, c->tagpool);
-
-	req->status = REQ_STATUS_IDLE;
+	p9_free_req(c, req);
 
 	return 0;
 }
-- 
GitLab


From 1b0a763bdd5ed467d0e03b88e045000c749303fb Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 18:45:22 -0500
Subject: [PATCH 0914/2224] 9p: use the rcall structure passed in the request
 in trans_fd read_work

This patch reworks the read_work function to enable it to directly use a passed
in rcall structure.  This should help allow us to remove unnecessary copies
in the future.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/trans_fd.c | 129 ++++++++++++++++++++++++----------------------
 1 file changed, 66 insertions(+), 63 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index cc9bc739e9d..627e3f097fc 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -111,7 +111,9 @@ struct p9_poll_wait {
  * @err: error state
  * @req_list: accounting for requests which have been sent
  * @unsent_req_list: accounting for requests that haven't been sent
- * @rcall: current response &p9_fcall structure
+ * @req: current request being processed (if any)
+ * @tmp_buf: temporary buffer to read in header
+ * @rsize: amount to read for current frame
  * @rpos: read position in current frame
  * @rbuf: current read buffer
  * @wpos: write position for current frame
@@ -132,7 +134,9 @@ struct p9_conn {
 	int err;
 	struct list_head req_list;
 	struct list_head unsent_req_list;
-	struct p9_fcall *rcall;
+	struct p9_req_t *req;
+	char tmp_buf[7];
+	int rsize;
 	int rpos;
 	char *rbuf;
 	int wpos;
@@ -346,34 +350,25 @@ static void p9_read_work(struct work_struct *work)
 {
 	int n, err;
 	struct p9_conn *m;
-	struct p9_req_t *req;
-	struct p9_fcall *rcall;
-	char *rbuf;
 
 	m = container_of(work, struct p9_conn, rq);
 
 	if (m->err < 0)
 		return;
 
-	rcall = NULL;
 	P9_DPRINTK(P9_DEBUG_MUX, "start mux %p pos %d\n", m, m->rpos);
 
-	if (!m->rcall) {
-		m->rcall =
-		    kmalloc(sizeof(struct p9_fcall) + m->client->msize,
-								GFP_KERNEL);
-		if (!m->rcall) {
-			err = -ENOMEM;
-			goto error;
-		}
-
-		m->rbuf = (char *)m->rcall + sizeof(struct p9_fcall);
+	if (!m->rbuf) {
+		m->rbuf = m->tmp_buf;
 		m->rpos = 0;
+		m->rsize = 7; /* start by reading header */
 	}
 
 	clear_bit(Rpending, &m->wsched);
+	P9_DPRINTK(P9_DEBUG_MUX, "read mux %p pos %d size: %d = %d\n", m,
+					m->rpos, m->rsize, m->rsize-m->rpos);
 	err = p9_fd_read(m->client, m->rbuf + m->rpos,
-						m->client->msize - m->rpos);
+						m->rsize - m->rpos);
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p got %d bytes\n", m, err);
 	if (err == -EAGAIN) {
 		clear_bit(Rworksched, &m->wsched);
@@ -384,8 +379,12 @@ static void p9_read_work(struct work_struct *work)
 		goto error;
 
 	m->rpos += err;
-	while (m->rpos > 4) {
-		n = le32_to_cpu(*(__le32 *) m->rbuf);
+
+	if ((!m->req) && (m->rpos == m->rsize)) { /* header read in */
+		u16 tag;
+		P9_DPRINTK(P9_DEBUG_MUX, "got new header\n");
+
+		n = le32_to_cpu(*(__le32 *) m->rbuf); /* read packet size */
 		if (n >= m->client->msize) {
 			P9_DPRINTK(P9_DEBUG_ERROR,
 				"requested packet size too big: %d\n", n);
@@ -393,66 +392,71 @@ static void p9_read_work(struct work_struct *work)
 			goto error;
 		}
 
-		if (m->rpos < n)
-			break;
+		tag = le16_to_cpu(*(__le16 *) (m->rbuf+5)); /* read tag */
+		P9_DPRINTK(P9_DEBUG_MUX, "mux %p pkt: size: %d bytes tag: %d\n",
+								 m, n, tag);
 
-		err =
-		    p9_deserialize_fcall(m->rbuf, n, m->rcall, m->client->dotu);
-		if (err < 0)
+		m->req = p9_tag_lookup(m->client, tag);
+		if (!m->req) {
+			P9_DPRINTK(P9_DEBUG_ERROR, "Unexpected packet tag %d\n",
+								 tag);
+			err = -EIO;
 			goto error;
+		}
+
+		if (m->req->rc == NULL) {
+			m->req->rc = kmalloc(sizeof(struct p9_fcall) +
+						m->client->msize, GFP_KERNEL);
+			if (!m->req->rc) {
+				m->req = NULL;
+				err = -ENOMEM;
+				goto error;
+			}
+		}
+		m->rbuf = (char *)m->req->rc + sizeof(struct p9_fcall);
+		memcpy(m->rbuf, m->tmp_buf, m->rsize);
+		m->rsize = n;
+	}
+
+	/* not an else because some packets (like clunk) have no payload */
+	if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */
+		P9_DPRINTK(P9_DEBUG_MUX, "got new packet\n");
+		m->rbuf = (char *)m->req->rc + sizeof(struct p9_fcall);
+		err = p9_deserialize_fcall(m->rbuf, m->rsize, m->req->rc,
+							m->client->dotu);
+		if (err < 0) {
+			m->req = NULL;
+			goto error;
+		}
 
 #ifdef CONFIG_NET_9P_DEBUG
 		if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
 			char buf[150];
 
-			p9_printfcall(buf, sizeof(buf), m->rcall,
+			p9_printfcall(buf, sizeof(buf), m->req->rc,
 				m->client->dotu);
 			printk(KERN_NOTICE ">>> %p %s\n", m, buf);
 		}
 #endif
 
-		rcall = m->rcall;
-		rbuf = m->rbuf;
-		if (m->rpos > n) {
-			m->rcall = kmalloc(sizeof(struct p9_fcall) +
-						m->client->msize, GFP_KERNEL);
-			if (!m->rcall) {
-				err = -ENOMEM;
-				goto error;
-			}
+		P9_DPRINTK(P9_DEBUG_MUX, "mux %p fcall id %d tag %d\n", m,
+					m->req->rc->id, m->req->rc->tag);
 
-			m->rbuf = (char *)m->rcall + sizeof(struct p9_fcall);
-			memmove(m->rbuf, rbuf + n, m->rpos - n);
-			m->rpos -= n;
-		} else {
-			m->rcall = NULL;
-			m->rbuf = NULL;
-			m->rpos = 0;
-		}
+		m->rbuf = NULL;
+		m->rpos = 0;
+		m->rsize = 0;
 
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p fcall id %d tag %d\n", m,
-							rcall->id, rcall->tag);
+		if (m->req->status != REQ_STATUS_FLSH) {
+			list_del(&m->req->req_list);
+			m->req->status = REQ_STATUS_RCVD;
+		}
 
-		req = p9_tag_lookup(m->client, rcall->tag);
+		process_request(m, m->req);
 
-		if (req) {
-			if (req->status != REQ_STATUS_FLSH) {
-				list_del(&req->req_list);
-				req->status = REQ_STATUS_RCVD;
-			}
+		if (m->req->status != REQ_STATUS_FLSH)
+			p9_conn_rpc_cb(m->client, m->req);
 
-			req->rc = rcall;
-			process_request(m, req);
-
-			if (req->status != REQ_STATUS_FLSH)
-				p9_conn_rpc_cb(m->client, req);
-		} else {
-			if (err >= 0 && rcall->id != P9_RFLUSH)
-				P9_DPRINTK(P9_DEBUG_ERROR,
-				  "unexpected response mux %p id %d tag %d\n",
-				  m, rcall->id, rcall->tag);
-			kfree(rcall);
-		}
+		m->req = NULL;
 	}
 
 	if (!list_empty(&m->req_list)) {
@@ -470,7 +474,6 @@ static void p9_read_work(struct work_struct *work)
 		clear_bit(Rworksched, &m->wsched);
 
 	return;
-
 error:
 	p9_conn_cancel(m, err);
 	clear_bit(Rworksched, &m->wsched);
-- 
GitLab


From 91b8534fa8f5e01f249b1bf8df0a2540053549ad Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 18:45:21 -0500
Subject: [PATCH 0915/2224] 9p: make rpc code common and rework flush code

This code moves the rpc function to the common client base,
reorganizes the flush code to be more simple and stable, and
makes the necessary adjustments to the underlying transports
to adapt to the new structure.

This reduces the overall amount of code duplication between the
transports and should make adding new transports more straightforward.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/client.h    |   3 +-
 include/net/9p/transport.h |   8 +-
 net/9p/client.c            | 265 ++++++++++++++++++++++++++++++++++--
 net/9p/trans_fd.c          | 268 +++++--------------------------------
 net/9p/trans_virtio.c      |  85 ++++--------
 5 files changed, 316 insertions(+), 313 deletions(-)

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 4fecaabd17b..6a71d906781 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -212,8 +212,7 @@ struct p9_stat *p9_client_stat(struct p9_fid *fid);
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
 struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset);
 
-struct p9_req_t *p9_tag_alloc(struct p9_client *, u16);
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
-void p9_free_req(struct p9_client *, struct p9_req_t *);
+void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
 
 #endif /* NET_9P_CLIENT_H */
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index 3e0f2f6beba..6d5886efb10 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -33,8 +33,8 @@
  * @maxsize: transport provided maximum packet size
  * @def: set if this transport should be considered the default
  * @create: member function to create a new connection on this transport
- * @close: member function to disconnect and close the transport
- * @rpc: member function to issue a request to the transport
+ * @request: member function to issue a request to the transport
+ * @cancel: member function to cancel a request (if it hasn't been sent)
  *
  * This is the basic API for a transport module which is registered by the
  * transport module with the 9P core network module and used by the client
@@ -51,8 +51,8 @@ struct p9_trans_module {
 	struct module *owner;
 	int (*create)(struct p9_client *, const char *, char *);
 	void (*close) (struct p9_client *);
-	int (*rpc) (struct p9_client *t, struct p9_fcall *tc,
-							struct p9_fcall **rc);
+	int (*request) (struct p9_client *, struct p9_req_t *req);
+	int (*cancel) (struct p9_client *, struct p9_req_t *req);
 };
 
 void v9fs_register_trans(struct p9_trans_module *m);
diff --git a/net/9p/client.c b/net/9p/client.c
index f2d07ef9e6a..29934febecd 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -55,6 +55,9 @@ static const match_table_t tokens = {
 	{Opt_err, NULL},
 };
 
+static int
+p9_client_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc);
+
 /**
  * v9fs_parse_options - parse mount options into session structure
  * @options: options string passed from mount
@@ -268,6 +271,36 @@ static void p9_tag_cleanup(struct p9_client *c)
 	c->max_tag = 0;
 }
 
+/**
+ * p9_client_flush - flush (cancel) a request
+ * c: client state
+ * req: request to cancel
+ *
+ * This sents a flush for a particular requests and links
+ * the flush request to the original request.  The current
+ * code only supports a single flush request although the protocol
+ * allows for multiple flush requests to be sent for a single request.
+ *
+ */
+
+static int p9_client_flush(struct p9_client *c, struct p9_req_t *req)
+{
+	struct p9_fcall *tc, *rc = NULL;
+	int err;
+
+	P9_DPRINTK(P9_DEBUG_9P, "client %p tag %d\n", c, req->tc->tag);
+
+	tc = p9_create_tflush(req->tc->tag);
+	if (IS_ERR(tc))
+		return PTR_ERR(tc);
+
+	err = p9_client_rpc(c, tc, &rc);
+
+	/* we don't free anything here because RPC isn't complete */
+
+	return err;
+}
+
 /**
  * p9_free_req - free a request and clean-up as necessary
  * c: client state
@@ -289,6 +322,224 @@ void p9_free_req(struct p9_client *c, struct p9_req_t *r)
 	}
 }
 
+/**
+ * p9_client_cb - call back from transport to client
+ * c: client state
+ * req: request received
+ *
+ */
+void p9_client_cb(struct p9_client *c, struct p9_req_t *req)
+{
+	struct p9_req_t *other_req;
+	unsigned long flags;
+
+	P9_DPRINTK(P9_DEBUG_MUX, ": %d\n", req->tc->tag);
+
+	if (req->status == REQ_STATUS_ERROR)
+		wake_up(req->wq);
+
+	if (req->tc->id == P9_TFLUSH) { /* flush receive path */
+		P9_DPRINTK(P9_DEBUG_MUX, "flush: %d\n", req->tc->tag);
+		spin_lock_irqsave(&c->lock, flags);
+		other_req = p9_tag_lookup(c, req->tc->params.tflush.oldtag);
+		if (other_req->flush_tag != req->tc->tag) /* stale flush */
+			spin_unlock_irqrestore(&c->lock, flags);
+		else {
+			BUG_ON(other_req->status != REQ_STATUS_FLSH);
+			other_req->status = REQ_STATUS_FLSHD;
+			spin_unlock_irqrestore(&c->lock, flags);
+			wake_up(other_req->wq);
+		}
+		p9_free_req(c, req);
+	} else { 				/* normal receive path */
+		P9_DPRINTK(P9_DEBUG_MUX, "normal: %d\n", req->tc->tag);
+		spin_lock_irqsave(&c->lock, flags);
+		if (req->status != REQ_STATUS_FLSHD)
+			req->status = REQ_STATUS_RCVD;
+		req->flush_tag = P9_NOTAG;
+		spin_unlock_irqrestore(&c->lock, flags);
+		wake_up(req->wq);
+		P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag);
+	}
+}
+EXPORT_SYMBOL(p9_client_cb);
+
+/**
+ * p9_client_rpc - issue a request and wait for a response
+ * @c: client session
+ * @tc: &p9_fcall request to transmit
+ * @rc: &p9_fcall to put reponse into
+ *
+ * Returns 0 on success, error code on failure
+ */
+
+static int
+p9_client_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
+{
+	int tag, err, size;
+	char *rdata;
+	struct p9_req_t *req;
+	unsigned long flags;
+	int sigpending;
+	int flushed = 0;
+
+	P9_DPRINTK(P9_DEBUG_9P, "client %p tc %p rc %p\n", c, tc, rc);
+
+	if (c->status != Connected)
+		return -EIO;
+
+	if (signal_pending(current)) {
+		sigpending = 1;
+		clear_thread_flag(TIF_SIGPENDING);
+	} else
+		sigpending = 0;
+
+	tag = P9_NOTAG;
+	if (tc->id != P9_TVERSION) {
+		tag = p9_idpool_get(c->tagpool);
+		if (tag < 0)
+			return -ENOMEM;
+	}
+
+	req = p9_tag_alloc(c, tag);
+
+	/* if this is a flush request, backlink flush request now to
+	 * avoid race conditions later. */
+	if (tc->id == P9_TFLUSH) {
+		struct p9_req_t *other_req =
+				p9_tag_lookup(c, tc->params.tflush.oldtag);
+		if (other_req->status == REQ_STATUS_FLSH)
+			other_req->flush_tag = tag;
+	}
+
+	p9_set_tag(tc, tag);
+
+	/*
+	 * if client passed in a pre-allocated response fcall struct
+	 * then we just use that, otherwise we allocate one.
+	 */
+
+	if (rc == NULL)
+		req->rc = NULL;
+	else
+		req->rc = *rc;
+	if (req->rc == NULL) {
+		req->rc = kmalloc(sizeof(struct p9_fcall) + c->msize,
+								GFP_KERNEL);
+		if (!req->rc) {
+			err = -ENOMEM;
+			p9_idpool_put(tag, c->tagpool);
+			p9_free_req(c, req);
+			goto reterr;
+		}
+		*rc = req->rc;
+	}
+
+	rdata = (char *)req->rc+sizeof(struct p9_fcall);
+
+	req->tc = tc;
+	P9_DPRINTK(P9_DEBUG_9P, "request: tc: %p rc: %p\n", req->tc, req->rc);
+
+	err = c->trans_mod->request(c, req);
+	if (err < 0) {
+		c->status = Disconnected;
+		goto reterr;
+	}
+
+	/* if it was a flush we just transmitted, return our tag */
+	if (tc->id == P9_TFLUSH)
+		return 0;
+again:
+	P9_DPRINTK(P9_DEBUG_9P, "wait %p tag: %d\n", req->wq, tag);
+	err = wait_event_interruptible(*req->wq,
+						req->status >= REQ_STATUS_RCVD);
+	P9_DPRINTK(P9_DEBUG_9P, "wait %p tag: %d returned %d (flushed=%d)\n",
+						req->wq, tag, err, flushed);
+
+	if (req->status == REQ_STATUS_ERROR) {
+		P9_DPRINTK(P9_DEBUG_9P, "req_status error %d\n", req->t_err);
+		err = req->t_err;
+	} else if (err == -ERESTARTSYS && flushed) {
+		P9_DPRINTK(P9_DEBUG_9P, "flushed - going again\n");
+		goto again;
+	} else if (req->status == REQ_STATUS_FLSHD) {
+		P9_DPRINTK(P9_DEBUG_9P, "flushed - erestartsys\n");
+		err = -ERESTARTSYS;
+	}
+
+	if ((err == -ERESTARTSYS) && (c->status == Connected) && (!flushed)) {
+		P9_DPRINTK(P9_DEBUG_9P, "flushing\n");
+		spin_lock_irqsave(&c->lock, flags);
+		if (req->status == REQ_STATUS_SENT)
+			req->status = REQ_STATUS_FLSH;
+		spin_unlock_irqrestore(&c->lock, flags);
+		sigpending = 1;
+		flushed = 1;
+		clear_thread_flag(TIF_SIGPENDING);
+
+		if (c->trans_mod->cancel(c, req)) {
+			err = p9_client_flush(c, req);
+			if (err == 0)
+				goto again;
+		}
+	}
+
+	if (sigpending) {
+		spin_lock_irqsave(&current->sighand->siglock, flags);
+		recalc_sigpending();
+		spin_unlock_irqrestore(&current->sighand->siglock, flags);
+	}
+
+	if (err < 0)
+		goto reterr;
+
+	size = le32_to_cpu(*(__le32 *) rdata);
+
+	err = p9_deserialize_fcall(rdata, size, req->rc, c->dotu);
+	if (err < 0) {
+		P9_DPRINTK(P9_DEBUG_9P,
+			"9p debug: client rpc deserialize returned %d\n", err);
+		goto reterr;
+	}
+
+#ifdef CONFIG_NET_9P_DEBUG
+	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
+		char buf[150];
+
+		p9_printfcall(buf, sizeof(buf), req->rc, c->dotu);
+		printk(KERN_NOTICE ">>> %p %s\n", c, buf);
+	}
+#endif
+
+	if (req->rc->id == P9_RERROR) {
+		int ecode = req->rc->params.rerror.errno;
+		struct p9_str *ename = &req->rc->params.rerror.error;
+
+		P9_DPRINTK(P9_DEBUG_MUX, "Rerror %.*s\n", ename->len,
+								ename->str);
+
+		if (c->dotu)
+			err = -ecode;
+
+		if (!err) {
+			err = p9_errstr2errno(ename->str, ename->len);
+
+			/* string match failed */
+			if (!err) {
+				PRINT_FCALL_ERROR("unknown error", req->rc);
+				err = -ESERVERFAULT;
+			}
+		}
+	} else
+		err = 0;
+
+reterr:
+	p9_free_req(c, req);
+
+	P9_DPRINTK(P9_DEBUG_9P, "returning %d\n", err);
+	return err;
+}
+
 static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 {
 	int err;
@@ -339,20 +590,6 @@ static void p9_fid_destroy(struct p9_fid *fid)
 	kfree(fid);
 }
 
-/**
- * p9_client_rpc - sends 9P request and waits until a response is available.
- *      The function can be interrupted.
- * @c: client data
- * @tc: request to be sent
- * @rc: pointer where a pointer to the response is stored
- */
-int
-p9_client_rpc(struct p9_client *c, struct p9_fcall *tc,
-	struct p9_fcall **rc)
-{
-	return c->trans_mod->rpc(c, tc, rc);
-}
-
 struct p9_client *p9_client_create(const char *dev_name, char *options)
 {
 	int err, n;
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 627e3f097fc..6bfc013f8b6 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -174,44 +174,6 @@ static void p9_mux_poll_stop(struct p9_conn *m)
 	spin_unlock_irqrestore(&p9_poll_lock, flags);
 }
 
-static void p9_conn_rpc_cb(struct p9_client *, struct p9_req_t *);
-
-static void p9_mux_flush_cb(struct p9_client *client, struct p9_req_t *freq)
-{
-	struct p9_conn *m = client->trans;
-	struct p9_req_t *req;
-
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p tc %p rc %p err %d oldtag %d\n", m,
-		freq->tc, freq->rc, freq->t_err,
-		freq->tc->params.tflush.oldtag);
-
-	req = p9_tag_lookup(client, freq->tc->params.tflush.oldtag);
-	if (req) {
-		req->status = REQ_STATUS_FLSHD;
-		list_del(&req->req_list);
-		p9_conn_rpc_cb(client, req);
-	}
-
-	p9_free_req(client, freq);
-}
-
-static void p9_conn_rpc_cb(struct p9_client *client, struct p9_req_t *req)
-{
-	P9_DPRINTK(P9_DEBUG_MUX, "req %p\n", req);
-
-	if (req->tc->id == P9_TFLUSH) { /* flush callback */
-		P9_DPRINTK(P9_DEBUG_MUX, "flush req %p\n", req);
-		p9_mux_flush_cb(client, req);
-	} else {			/* normal wakeup path */
-		P9_DPRINTK(P9_DEBUG_MUX, "normal req %p\n", req);
-		if (!req->t_err && (req->status == REQ_STATUS_FLSHD ||
-				 req->status == REQ_STATUS_FLSH))
-			req->t_err = -ERESTARTSYS;
-
-		wake_up(req->wq);
-	}
-}
-
 /**
  * p9_conn_cancel - cancel all pending requests with error
  * @m: mux data
@@ -222,11 +184,12 @@ static void p9_conn_rpc_cb(struct p9_client *client, struct p9_req_t *req)
 void p9_conn_cancel(struct p9_conn *m, int err)
 {
 	struct p9_req_t *req, *rtmp;
+	unsigned long flags;
 	LIST_HEAD(cancel_list);
 
 	P9_DPRINTK(P9_DEBUG_ERROR, "mux %p err %d\n", m, err);
 	m->err = err;
-	spin_lock(&m->client->lock);
+	spin_lock_irqsave(&m->client->lock, flags);
 	list_for_each_entry_safe(req, rtmp, &m->req_list, req_list) {
 		req->status = REQ_STATUS_ERROR;
 		if (!req->t_err)
@@ -239,44 +202,12 @@ void p9_conn_cancel(struct p9_conn *m, int err)
 			req->t_err = err;
 		list_move(&req->req_list, &cancel_list);
 	}
-	spin_unlock(&m->client->lock);
+	spin_unlock_irqrestore(&m->client->lock, flags);
 
 	list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) {
 		list_del(&req->req_list);
-		p9_conn_rpc_cb(m->client, req);
-	}
-}
-
-static void process_request(struct p9_conn *m, struct p9_req_t *req)
-{
-	int ecode;
-	struct p9_str *ename;
-
-	if (!req->t_err && req->rc->id == P9_RERROR) {
-		ecode = req->rc->params.rerror.errno;
-		ename = &req->rc->params.rerror.error;
-
-		P9_DPRINTK(P9_DEBUG_MUX, "Rerror %.*s\n", ename->len,
-								ename->str);
-
-		if (m->client->dotu)
-			req->t_err = -ecode;
-
-		if (!req->t_err) {
-			req->t_err = p9_errstr2errno(ename->str, ename->len);
-
-			/* string match failed */
-			if (!req->t_err) {
-				PRINT_FCALL_ERROR("unknown error", req->rc);
-				req->t_err = -ESERVERFAULT;
-			}
-		}
-	} else if (req->tc && req->rc->id != req->tc->id + 1) {
-		P9_DPRINTK(P9_DEBUG_ERROR,
-				"fcall mismatch: expected %d, got %d\n",
-				req->tc->id + 1, req->rc->id);
-		if (!req->t_err)
-			req->t_err = -EIO;
+		P9_DPRINTK(P9_DEBUG_ERROR, "call back req %p\n", req);
+		p9_client_cb(m->client, req);
 	}
 }
 
@@ -421,41 +352,13 @@ static void p9_read_work(struct work_struct *work)
 	/* not an else because some packets (like clunk) have no payload */
 	if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */
 		P9_DPRINTK(P9_DEBUG_MUX, "got new packet\n");
-		m->rbuf = (char *)m->req->rc + sizeof(struct p9_fcall);
-		err = p9_deserialize_fcall(m->rbuf, m->rsize, m->req->rc,
-							m->client->dotu);
-		if (err < 0) {
-			m->req = NULL;
-			goto error;
-		}
-
-#ifdef CONFIG_NET_9P_DEBUG
-		if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
-			char buf[150];
-
-			p9_printfcall(buf, sizeof(buf), m->req->rc,
-				m->client->dotu);
-			printk(KERN_NOTICE ">>> %p %s\n", m, buf);
-		}
-#endif
 
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p fcall id %d tag %d\n", m,
-					m->req->rc->id, m->req->rc->tag);
+		list_del(&m->req->req_list);
+		p9_client_cb(m->client, m->req);
 
 		m->rbuf = NULL;
 		m->rpos = 0;
 		m->rsize = 0;
-
-		if (m->req->status != REQ_STATUS_FLSH) {
-			list_del(&m->req->req_list);
-			m->req->status = REQ_STATUS_RCVD;
-		}
-
-		process_request(m, m->req);
-
-		if (m->req->status != REQ_STATUS_FLSH)
-			p9_conn_rpc_cb(m->client, m->req);
-
 		m->req = NULL;
 	}
 
@@ -741,57 +644,41 @@ static void p9_poll_mux(struct p9_conn *m)
 }
 
 /**
- * p9_send_request - send 9P request
+ * p9_fd_request - send 9P request
  * The function can sleep until the request is scheduled for sending.
  * The function can be interrupted. Return from the function is not
- * a guarantee that the request is sent successfully. Can return errors
- * that can be retrieved by PTR_ERR macros.
+ * a guarantee that the request is sent successfully.
  *
- * @m: mux data
- * @tc: request to be sent
+ * @client: client instance
+ * @req: request to be sent
  *
  */
 
-static struct p9_req_t *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
+static int p9_fd_request(struct p9_client *client, struct p9_req_t *req)
 {
-	int tag;
 	int n;
-	struct p9_req_t *req;
+	struct p9_trans_fd *ts = client->trans;
+	struct p9_conn *m = ts->conn;
 
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p task %p tcall %p id %d\n", m, current,
-		tc, tc->id);
+		req->tc, req->tc->id);
 	if (m->err < 0)
-		return ERR_PTR(m->err);
-
-	tag = P9_NOTAG;
-	if (tc->id != P9_TVERSION) {
-		tag = p9_idpool_get(m->client->tagpool);
-		if (tag < 0)
-			return ERR_PTR(-ENOMEM);
-	}
-
-	p9_set_tag(tc, tag);
-
-	req = p9_tag_alloc(m->client, tag);
+		return m->err;
 
 #ifdef CONFIG_NET_9P_DEBUG
 	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
 		char buf[150];
 
-		p9_printfcall(buf, sizeof(buf), tc, m->client->dotu);
+		p9_printfcall(buf, sizeof(buf), req->tc, client->dotu);
 		printk(KERN_NOTICE "<<< %p %s\n", m, buf);
 	}
 #endif
 
-	req->tag = tag;
-	req->tc = tc;
-	req->rc = NULL;
-	req->t_err = 0;
 	req->status = REQ_STATUS_UNSENT;
 
-	spin_lock(&m->client->lock);
+	spin_lock(&client->lock);
 	list_add_tail(&req->req_list, &m->unsent_req_list);
-	spin_unlock(&m->client->lock);
+	spin_unlock(&client->lock);
 
 	if (test_and_clear_bit(Wpending, &m->wsched))
 		n = POLLOUT;
@@ -801,17 +688,20 @@ static struct p9_req_t *p9_send_request(struct p9_conn *m, struct p9_fcall *tc)
 	if (n & POLLOUT && !test_and_set_bit(Wworksched, &m->wsched))
 		queue_work(p9_mux_wq, &m->wq);
 
-	return req;
+	return 0;
 }
 
-static int
-p9_mux_flush_request(struct p9_conn *m, struct p9_req_t *req)
+static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
 {
-	struct p9_fcall *fc;
-	struct p9_req_t *rreq, *rptr;
+	struct p9_trans_fd *ts = client->trans;
+	struct p9_conn *m = ts->conn;
 
 	P9_DPRINTK(P9_DEBUG_MUX, "mux %p req %p tag %d\n", m, req, req->tag);
 
+	spin_lock(&client->lock);
+	list_del(&req->req_list);
+	spin_unlock(&client->lock);
+
 	/* if a response was received for a request, do nothing */
 	if (req->rc || req->t_err) {
 		P9_DPRINTK(P9_DEBUG_MUX,
@@ -819,103 +709,14 @@ p9_mux_flush_request(struct p9_conn *m, struct p9_req_t *req)
 		return 0;
 	}
 
-	req->status = REQ_STATUS_FLSH;
-
-	spin_lock(&m->client->lock);
-	/* if the request is not sent yet, just remove it from the list */
-	list_for_each_entry_safe(rreq, rptr, &m->unsent_req_list, req_list) {
-		if (rreq->tag == req->tag) {
-			P9_DPRINTK(P9_DEBUG_MUX,
-			   "mux %p req %p request is not sent yet\n", m, req);
-			list_del(&rreq->req_list);
-			req->status = REQ_STATUS_FLSHD;
-			spin_unlock(&m->client->lock);
-			p9_conn_rpc_cb(m->client, req);
-			return 0;
-		}
+	if (req->status == REQ_STATUS_UNSENT) {
+		req->status = REQ_STATUS_FLSHD;
+		return 0;
 	}
-	spin_unlock(&m->client->lock);
 
-	clear_thread_flag(TIF_SIGPENDING);
-	fc = p9_create_tflush(req->tag);
-	p9_send_request(m, fc);
 	return 1;
 }
 
-/**
- * p9_fd_rpc- sends 9P request and waits until a response is available.
- *	The function can be interrupted.
- * @client: client instance
- * @tc: request to be sent
- * @rc: pointer where a pointer to the response is stored
- *
- */
-
-int
-p9_fd_rpc(struct p9_client *client, struct p9_fcall *tc, struct p9_fcall **rc)
-{
-	struct p9_trans_fd *p = client->trans;
-	struct p9_conn *m = p->conn;
-	int err, sigpending;
-	unsigned long flags;
-	struct p9_req_t *req;
-
-	if (rc)
-		*rc = NULL;
-
-	sigpending = 0;
-	if (signal_pending(current)) {
-		sigpending = 1;
-		clear_thread_flag(TIF_SIGPENDING);
-	}
-
-	req = p9_send_request(m, tc);
-	if (IS_ERR(req)) {
-		err = PTR_ERR(req);
-		P9_DPRINTK(P9_DEBUG_MUX, "error %d\n", err);
-		return err;
-	}
-
-	err = wait_event_interruptible(*req->wq, req->rc != NULL ||
-								req->t_err < 0);
-	if (req->t_err < 0)
-		err = req->t_err;
-
-	if (err == -ERESTARTSYS && client->status == Connected
-							&& m->err == 0) {
-		if (p9_mux_flush_request(m, req)) {
-			/* wait until we get response of the flush message */
-			do {
-				clear_thread_flag(TIF_SIGPENDING);
-				err = wait_event_interruptible(*req->wq,
-					req->rc || req->t_err);
-			} while (!req->rc && !req->t_err &&
-					err == -ERESTARTSYS &&
-					client->status == Connected && !m->err);
-
-			err = -ERESTARTSYS;
-		}
-		sigpending = 1;
-	}
-
-	if (sigpending) {
-		spin_lock_irqsave(&current->sighand->siglock, flags);
-		recalc_sigpending();
-		spin_unlock_irqrestore(&current->sighand->siglock, flags);
-	}
-
-	if (rc)
-		*rc = req->rc;
-	else
-		kfree(req->rc);
-
-	p9_free_req(client, req);
-	if (err > 0)
-		err = -EIO;
-
-	return err;
-}
-
 /**
  * parse_options - parse mount options into session structure
  * @options: options string passed from mount
@@ -1243,7 +1044,8 @@ static struct p9_trans_module p9_tcp_trans = {
 	.def = 1,
 	.create = p9_fd_create_tcp,
 	.close = p9_fd_close,
-	.rpc = p9_fd_rpc,
+	.request = p9_fd_request,
+	.cancel = p9_fd_cancel,
 	.owner = THIS_MODULE,
 };
 
@@ -1253,7 +1055,8 @@ static struct p9_trans_module p9_unix_trans = {
 	.def = 0,
 	.create = p9_fd_create_unix,
 	.close = p9_fd_close,
-	.rpc = p9_fd_rpc,
+	.request = p9_fd_request,
+	.cancel = p9_fd_cancel,
 	.owner = THIS_MODULE,
 };
 
@@ -1263,7 +1066,8 @@ static struct p9_trans_module p9_fd_trans = {
 	.def = 0,
 	.create = p9_fd_create,
 	.close = p9_fd_close,
-	.rpc = p9_fd_rpc,
+	.request = p9_fd_request,
+	.cancel = p9_fd_cancel,
 	.owner = THIS_MODULE,
 };
 
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index e18de14c30d..2d7781ec663 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -126,17 +126,16 @@ static void req_done(struct virtqueue *vq)
 	struct virtio_chan *chan = vq->vdev->priv;
 	struct p9_fcall *rc;
 	unsigned int len;
-	unsigned long flags;
 	struct p9_req_t *req;
 
-	spin_lock_irqsave(&chan->lock, flags);
+	P9_DPRINTK(P9_DEBUG_TRANS, ": request done\n");
+
 	while ((rc = chan->vq->vq_ops->get_buf(chan->vq, &len)) != NULL) {
+		P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc);
+		P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag);
 		req = p9_tag_lookup(chan->client, rc->tag);
-		req->status = REQ_STATUS_RCVD;
-		wake_up(req->wq);
+		p9_client_cb(chan->client, req);
 	}
-	/* In case queue is stopped waiting for more buffers. */
-	spin_unlock_irqrestore(&chan->lock, flags);
 }
 
 /**
@@ -173,8 +172,14 @@ pack_sg_list(struct scatterlist *sg, int start, int limit, char *data,
 	return index-start;
 }
 
+/* We don't currently allow canceling of virtio requests */
+static int p9_virtio_cancel(struct p9_client *client, struct p9_req_t *req)
+{
+	return 1;
+}
+
 /**
- * p9_virtio_rpc - issue a request and wait for a response
+ * p9_virtio_request - issue a request
  * @t: transport state
  * @tc: &p9_fcall request to transmit
  * @rc: &p9_fcall to put reponse into
@@ -182,44 +187,22 @@ pack_sg_list(struct scatterlist *sg, int start, int limit, char *data,
  */
 
 static int
-p9_virtio_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
+p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
 {
 	int in, out;
-	int n, err, size;
-	struct virtio_chan *chan = c->trans;
-	char *rdata;
-	struct p9_req_t *req;
-	unsigned long flags;
-
-	if (*rc == NULL) {
-		*rc = kmalloc(sizeof(struct p9_fcall) + c->msize, GFP_KERNEL);
-		if (!*rc)
-			return -ENOMEM;
-	}
-
-	rdata = (char *)*rc+sizeof(struct p9_fcall);
-
-	n = P9_NOTAG;
-	if (tc->id != P9_TVERSION) {
-		n = p9_idpool_get(c->tagpool);
-		if (n < 0)
-			return -ENOMEM;
-	}
-
-	spin_lock_irqsave(&chan->lock, flags);
-	req = p9_tag_alloc(c, n);
-	spin_unlock_irqrestore(&chan->lock, flags);
-
-	p9_set_tag(tc, n);
+	struct virtio_chan *chan = client->trans;
+	char *rdata = (char *)req->rc+sizeof(struct p9_fcall);
 
-	P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio rpc tag %d\n", n);
+	P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request\n");
 
-	out = pack_sg_list(chan->sg, 0, VIRTQUEUE_NUM, tc->sdata, tc->size);
-	in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM-out, rdata, c->msize);
+	out = pack_sg_list(chan->sg, 0, VIRTQUEUE_NUM, req->tc->sdata,
+								req->tc->size);
+	in = pack_sg_list(chan->sg, out, VIRTQUEUE_NUM-out, rdata,
+								client->msize);
 
 	req->status = REQ_STATUS_SENT;
 
-	if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, tc)) {
+	if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc)) {
 		P9_DPRINTK(P9_DEBUG_TRANS,
 			"9p debug: virtio rpc add_buf returned failure");
 		return -EIO;
@@ -227,28 +210,7 @@ p9_virtio_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
 
 	chan->vq->vq_ops->kick(chan->vq);
 
-	wait_event(*req->wq, req->status == REQ_STATUS_RCVD);
-
-	size = le32_to_cpu(*(__le32 *) rdata);
-
-	err = p9_deserialize_fcall(rdata, size, *rc, c->dotu);
-	if (err < 0) {
-		P9_DPRINTK(P9_DEBUG_TRANS,
-			"9p debug: virtio rpc deserialize returned %d\n", err);
-		return err;
-	}
-
-#ifdef CONFIG_NET_9P_DEBUG
-	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
-		char buf[150];
-
-		p9_printfcall(buf, sizeof(buf), *rc, c->dotu);
-		printk(KERN_NOTICE ">>> %p %s\n", c, buf);
-	}
-#endif
-
-	p9_free_req(c, req);
-
+	P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request kicked\n");
 	return 0;
 }
 
@@ -394,7 +356,8 @@ static struct p9_trans_module p9_virtio_trans = {
 	.name = "virtio",
 	.create = p9_virtio_create,
 	.close = p9_virtio_close,
-	.rpc = p9_virtio_rpc,
+	.request = p9_virtio_request,
+	.cancel = p9_virtio_cancel,
 	.maxsize = PAGE_SIZE*16,
 	.def = 0,
 	.owner = THIS_MODULE,
-- 
GitLab


From 95820a36516d12dcb49d066dd3d5b187a2557612 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 13 Oct 2008 18:45:20 -0500
Subject: [PATCH 0916/2224] 9p: drop broken unused error path from
 p9_conn_create()

Post p9_fd_poll() error path which checks m->poll_waddr[i] for PTR_ERR
value has the following problems.

* It's completely unused.  Error value is set iff NULL @wait_address
  has been specified to p9_pollwait() which is guaranteed not to
  happen.

* It dereferences @m after deallocating it (introduced by 571ffeaf and
  spotted by Raja R Harinath.

* It returned the wrong value on error.  It should return
  poll_waddr[i] but it returnes poll_waddr (introduced by 571ffeaf).

* p9_mux_poll_stop() doesn't handle PTR_ERR value.  It will try to
  operate on the PTR_ERR value as if it's a normal pointer and cause
  oops.

As the error path is bogus in the first place, there's no reason to
hold onto it.  Kill it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Raja R Harinath <harinath@hurrynot.org>
---
 net/9p/trans_fd.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 6bfc013f8b6..c07f2ab8d0f 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -540,12 +540,6 @@ p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
 		return;
 	}
 
-	if (!wait_address) {
-		P9_DPRINTK(P9_DEBUG_ERROR, "no wait_address\n");
-		pwait->wait_addr = ERR_PTR(-EIO);
-		return;
-	}
-
 	pwait->conn = m;
 	pwait->wait_addr = wait_address;
 	init_waitqueue_func_entry(&pwait->wait, p9_pollwake);
@@ -561,7 +555,7 @@ p9_pollwait(struct file *filp, wait_queue_head_t *wait_address, poll_table *p)
 
 static struct p9_conn *p9_conn_create(struct p9_client *client)
 {
-	int i, n;
+	int n;
 	struct p9_conn *m;
 
 	P9_DPRINTK(P9_DEBUG_MUX, "client %p msize %d\n", client, client->msize);
@@ -590,15 +584,6 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
 		set_bit(Wpending, &m->wsched);
 	}
 
-	for (i = 0; i < ARRAY_SIZE(m->poll_wait); i++) {
-		if (IS_ERR(m->poll_wait[i].wait_addr)) {
-			p9_mux_poll_stop(m);
-			kfree(m);
-			/* return the error code */
-			return (void *)m->poll_wait[i].wait_addr;
-		}
-	}
-
 	return m;
 }
 
-- 
GitLab


From 0fc9655ec67ec5d4dfd08e469e0e9f0a494bf5bc Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 20:36:17 -0500
Subject: [PATCH 0917/2224] 9p: consolidate read/write functions

Currently there are two separate versions of read and write.  One for
dealing with user buffers and the other for dealing with kernel buffers.
There is a tremendous amount of code duplication in the otherwise
identical versions of these functions.  This patch adds an additional
user buffer parameter to read and write and conditionalizes handling of
the buffer on whether the kernel buffer or the user buffer is populated.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_file.c        |   4 +-
 include/net/9p/client.h |  10 ++-
 net/9p/client.c         | 150 ++++++++--------------------------------
 3 files changed, 34 insertions(+), 130 deletions(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 52944d2249a..3819a195de8 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -136,7 +136,7 @@ v9fs_file_read(struct file *filp, char __user * data, size_t count,
 
 	P9_DPRINTK(P9_DEBUG_VFS, "\n");
 	fid = filp->private_data;
-	ret = p9_client_uread(fid, data, *offset, count);
+	ret = p9_client_read(fid, NULL, data, *offset, count);
 	if (ret > 0)
 		*offset += ret;
 
@@ -164,7 +164,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
 		(int)count, (int)*offset);
 
 	fid = filp->private_data;
-	ret = p9_client_uwrite(fid, data, *offset, count);
+	ret = p9_client_write(fid, NULL, data, *offset, count);
 	if (ret > 0) {
 		invalidate_inode_pages2_range(inode->i_mapping, *offset,
 								*offset+ret);
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 6a71d906781..c70a0f0b448 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -201,13 +201,11 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
 							char *extension);
 int p9_client_clunk(struct p9_fid *fid);
 int p9_client_remove(struct p9_fid *fid);
-int p9_client_read(struct p9_fid *fid, char *data, u64 offset, u32 count);
+int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
+							u64 offset, u32 count);
 int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count);
-int p9_client_write(struct p9_fid *fid, char *data, u64 offset, u32 count);
-int p9_client_uread(struct p9_fid *fid, char __user *data, u64 offset,
-								u32 count);
-int p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset,
-								u32 count);
+int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
+							u64 offset, u32 count);
 struct p9_stat *p9_client_stat(struct p9_fid *fid);
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
 struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset);
diff --git a/net/9p/client.c b/net/9p/client.c
index 29934febecd..5fc3aa1eb39 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1016,7 +1016,9 @@ done:
 }
 EXPORT_SYMBOL(p9_client_remove);
 
-int p9_client_read(struct p9_fid *fid, char *data, u64 offset, u32 count)
+int
+p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
+								u32 count)
 {
 	int err, n, rsize, total;
 	struct p9_fcall *tc, *rc;
@@ -1053,125 +1055,21 @@ int p9_client_read(struct p9_fid *fid, char *data, u64 offset, u32 count)
 		if (n > count)
 			n = count;
 
-		memmove(data, rc->params.rread.data, n);
-		count -= n;
-		data += n;
-		offset += n;
-		total += n;
-		kfree(tc);
-		tc = NULL;
-		kfree(rc);
-		rc = NULL;
-	} while (count > 0 && n == rsize);
-
-	return total;
-
-error:
-	kfree(tc);
-	kfree(rc);
-	return err;
-}
-EXPORT_SYMBOL(p9_client_read);
-
-int p9_client_write(struct p9_fid *fid, char *data, u64 offset, u32 count)
-{
-	int err, n, rsize, total;
-	struct p9_fcall *tc, *rc;
-	struct p9_client *clnt;
-
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu count %d\n", fid->fid,
-					(long long unsigned) offset, count);
-	err = 0;
-	tc = NULL;
-	rc = NULL;
-	clnt = fid->clnt;
-	total = 0;
-
-	rsize = fid->iounit;
-	if (!rsize || rsize > clnt->msize-P9_IOHDRSZ)
-		rsize = clnt->msize - P9_IOHDRSZ;
-
-	do {
-		if (count < rsize)
-			rsize = count;
-
-		tc = p9_create_twrite(fid->fid, offset, rsize, data);
-		if (IS_ERR(tc)) {
-			err = PTR_ERR(tc);
-			tc = NULL;
-			goto error;
+		if (data) {
+			memmove(data, rc->params.rread.data, n);
+			data += n;
 		}
 
-		err = p9_client_rpc(clnt, tc, &rc);
-		if (err)
-			goto error;
-
-		n = rc->params.rread.count;
-		count -= n;
-		data += n;
-		offset += n;
-		total += n;
-		kfree(tc);
-		tc = NULL;
-		kfree(rc);
-		rc = NULL;
-	} while (count > 0);
-
-	return total;
-
-error:
-	kfree(tc);
-	kfree(rc);
-	return err;
-}
-EXPORT_SYMBOL(p9_client_write);
-
-int
-p9_client_uread(struct p9_fid *fid, char __user *data, u64 offset, u32 count)
-{
-	int err, n, rsize, total;
-	struct p9_fcall *tc, *rc;
-	struct p9_client *clnt;
-
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu count %d\n", fid->fid,
-					(long long unsigned) offset, count);
-	err = 0;
-	tc = NULL;
-	rc = NULL;
-	clnt = fid->clnt;
-	total = 0;
-
-	rsize = fid->iounit;
-	if (!rsize || rsize > clnt->msize-P9_IOHDRSZ)
-		rsize = clnt->msize - P9_IOHDRSZ;
-
-	do {
-		if (count < rsize)
-			rsize = count;
-
-		tc = p9_create_tread(fid->fid, offset, rsize);
-		if (IS_ERR(tc)) {
-			err = PTR_ERR(tc);
-			tc = NULL;
-			goto error;
-		}
-
-		err = p9_client_rpc(clnt, tc, &rc);
-		if (err)
-			goto error;
-
-		n = rc->params.rread.count;
-		if (n > count)
-			n = count;
-
-		err = copy_to_user(data, rc->params.rread.data, n);
-		if (err) {
-			err = -EFAULT;
-			goto error;
+		if (udata) {
+			err = copy_to_user(udata, rc->params.rread.data, n);
+			if (err) {
+				err = -EFAULT;
+				goto error;
+			}
+			udata += n;
 		}
 
 		count -= n;
-		data += n;
 		offset += n;
 		total += n;
 		kfree(tc);
@@ -1187,11 +1085,11 @@ error:
 	kfree(rc);
 	return err;
 }
-EXPORT_SYMBOL(p9_client_uread);
+EXPORT_SYMBOL(p9_client_read);
 
 int
-p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset,
-								   u32 count)
+p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
+							u64 offset, u32 count)
 {
 	int err, n, rsize, total;
 	struct p9_fcall *tc, *rc;
@@ -1213,7 +1111,10 @@ p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset,
 		if (count < rsize)
 			rsize = count;
 
-		tc = p9_create_twrite_u(fid->fid, offset, rsize, data);
+		if (data)
+			tc = p9_create_twrite(fid->fid, offset, rsize, data);
+		else
+			tc = p9_create_twrite_u(fid->fid, offset, rsize, udata);
 		if (IS_ERR(tc)) {
 			err = PTR_ERR(tc);
 			tc = NULL;
@@ -1226,7 +1127,12 @@ p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset,
 
 		n = rc->params.rread.count;
 		count -= n;
-		data += n;
+
+		if (data)
+			data += n;
+		else
+			udata += n;
+
 		offset += n;
 		total += n;
 		kfree(tc);
@@ -1242,7 +1148,7 @@ error:
 	kfree(rc);
 	return err;
 }
-EXPORT_SYMBOL(p9_client_uwrite);
+EXPORT_SYMBOL(p9_client_write);
 
 int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count)
 {
@@ -1253,7 +1159,7 @@ int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count)
 	n = 0;
 	total = 0;
 	while (count) {
-		n = p9_client_read(fid, data, offset, count);
+		n = p9_client_read(fid, data, NULL, offset, count);
 		if (n <= 0)
 			break;
 
-- 
GitLab


From fbedadc16e5c888e4df9df3b1757de4993508d35 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 20:36:16 -0500
Subject: [PATCH 0918/2224] 9p: move readn meta-function from client to fs
 layer

There are a couple of methods in the client code which aren't actually
wire operations.  To keep things organized cleaner, these operations are
being moved to the fs layer.

This patch moves the readn meta-function (which executes multiple wire
reads until a buffer is full) to the fs layer.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/v9fs.c            |  2 +-
 fs/9p/v9fs_vfs.h        |  2 ++
 fs/9p/vfs_addr.c        |  5 +---
 fs/9p/vfs_file.c        | 57 ++++++++++++++++++++++++++++++++++++++---
 include/net/9p/client.h |  1 -
 net/9p/client.c         | 26 -------------------
 6 files changed, 57 insertions(+), 36 deletions(-)

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index b6b85cf01e0..24eb01087b6 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -234,7 +234,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
 	if (!v9ses->clnt->dotu)
 		v9ses->flags &= ~V9FS_EXTENDED;
 
-	v9ses->maxdata = v9ses->clnt->msize;
+	v9ses->maxdata = v9ses->clnt->msize - P9_IOHDRSZ;
 
 	/* for legacy mode, fall back to V9FS_ACCESS_ANY */
 	if (!v9fs_extended(v9ses) &&
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 57997fa14e6..046cff377f1 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -52,3 +52,5 @@ int v9fs_file_open(struct inode *inode, struct file *file);
 void v9fs_inode2stat(struct inode *inode, struct p9_stat *stat);
 void v9fs_dentry_release(struct dentry *);
 int v9fs_uflags2omode(int uflags, int extended);
+
+ssize_t v9fs_file_readn(struct file *, char *, char __user *, u32, u64);
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 97d3aed5798..6fcb1e7095c 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -38,7 +38,6 @@
 
 #include "v9fs.h"
 #include "v9fs_vfs.h"
-#include "fid.h"
 
 /**
  * v9fs_vfs_readpage - read an entire page in from 9P
@@ -53,14 +52,12 @@ static int v9fs_vfs_readpage(struct file *filp, struct page *page)
 	int retval;
 	loff_t offset;
 	char *buffer;
-	struct p9_fid *fid;
 
 	P9_DPRINTK(P9_DEBUG_VFS, "\n");
-	fid = filp->private_data;
 	buffer = kmap(page);
 	offset = page_offset(page);
 
-	retval = p9_client_readn(fid, buffer, offset, PAGE_CACHE_SIZE);
+	retval = v9fs_file_readn(filp, buffer, NULL, offset, PAGE_CACHE_SIZE);
 	if (retval < 0)
 		goto done;
 
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3819a195de8..4d6d7657fb7 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -120,23 +120,72 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
 }
 
 /**
- * v9fs_file_read - read from a file
+ * v9fs_file_readn - read from a file
  * @filp: file pointer to read
  * @data: data buffer to read data into
+ * @udata: user data buffer to read data into
  * @count: size of buffer
  * @offset: offset at which to read data
  *
  */
+
+ssize_t
+v9fs_file_readn(struct file *filp, char *data, char __user *udata, u32 count,
+	       u64 offset)
+{
+	int n, total;
+	struct p9_fid *fid = filp->private_data;
+
+	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu count %d\n", fid->fid,
+					(long long unsigned) offset, count);
+
+	n = 0;
+	total = 0;
+	do {
+		n = p9_client_read(fid, data, udata, offset, count);
+		if (n <= 0)
+			break;
+
+		if (data)
+			data += n;
+		if (udata)
+			udata += n;
+
+		offset += n;
+		count -= n;
+		total += n;
+	} while (count > 0 && n == (fid->clnt->msize - P9_IOHDRSZ));
+
+	if (n < 0)
+		total = n;
+
+	return total;
+}
+
+/**
+ * v9fs_file_read - read from a file
+ * @filp: file pointer to read
+ * @udata: user data buffer to read data into
+ * @count: size of buffer
+ * @offset: offset at which to read data
+ *
+ */
+
 static ssize_t
-v9fs_file_read(struct file *filp, char __user * data, size_t count,
+v9fs_file_read(struct file *filp, char __user *udata, size_t count,
 	       loff_t * offset)
 {
 	int ret;
 	struct p9_fid *fid;
 
-	P9_DPRINTK(P9_DEBUG_VFS, "\n");
+	P9_DPRINTK(P9_DEBUG_VFS, "count %d offset %lld\n", count, *offset);
 	fid = filp->private_data;
-	ret = p9_client_read(fid, NULL, data, *offset, count);
+
+	if (count > (fid->clnt->msize - P9_IOHDRSZ))
+		ret = v9fs_file_readn(filp, NULL, udata, count, *offset);
+	else
+		ret = p9_client_read(fid, NULL, udata, *offset, count);
+
 	if (ret > 0)
 		*offset += ret;
 
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index c70a0f0b448..bb8b0ede132 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -203,7 +203,6 @@ int p9_client_clunk(struct p9_fid *fid);
 int p9_client_remove(struct p9_fid *fid);
 int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
 							u64 offset, u32 count);
-int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count);
 int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 							u64 offset, u32 count);
 struct p9_stat *p9_client_stat(struct p9_fid *fid);
diff --git a/net/9p/client.c b/net/9p/client.c
index 5fc3aa1eb39..d5ea042eabb 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -1150,32 +1150,6 @@ error:
 }
 EXPORT_SYMBOL(p9_client_write);
 
-int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count)
-{
-	int n, total;
-
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu count %d\n", fid->fid,
-					(long long unsigned) offset, count);
-	n = 0;
-	total = 0;
-	while (count) {
-		n = p9_client_read(fid, data, NULL, offset, count);
-		if (n <= 0)
-			break;
-
-		data += n;
-		offset += n;
-		count -= n;
-		total += n;
-	}
-
-	if (n < 0)
-		total = n;
-
-	return total;
-}
-EXPORT_SYMBOL(p9_client_readn);
-
 static struct p9_stat *p9_clone_stat(struct p9_stat *st, int dotu)
 {
 	int n;
-- 
GitLab


From dfb0ec2e13a906ff19a0bbfa9208caab50cfc2e3 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 20:36:16 -0500
Subject: [PATCH 0919/2224] 9p: adjust 9p vfs write operation

Currently, the 9p net wire operation ensures that all data is sent by sending
multiple packets if the data requested is larger than the msize.  This is
better handled in the vfs code so that we can simplify wire operations to
being concerned with only putting data onto and taking data off of the wire.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_file.c | 36 +++++++++++++++++++++++++++++-------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 4d6d7657fb7..3fd28bbafc8 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -205,19 +205,38 @@ static ssize_t
 v9fs_file_write(struct file *filp, const char __user * data,
 		size_t count, loff_t * offset)
 {
-	int ret;
+	int n, rsize, total = 0;
 	struct p9_fid *fid;
+	struct p9_client *clnt;
 	struct inode *inode = filp->f_path.dentry->d_inode;
+	int origin = *offset;
 
 	P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data,
 		(int)count, (int)*offset);
 
 	fid = filp->private_data;
-	ret = p9_client_write(fid, NULL, data, *offset, count);
-	if (ret > 0) {
-		invalidate_inode_pages2_range(inode->i_mapping, *offset,
-								*offset+ret);
-		*offset += ret;
+	clnt = fid->clnt;
+
+	rsize = fid->iounit;
+	if (!rsize || rsize > clnt->msize-P9_IOHDRSZ)
+		rsize = clnt->msize - P9_IOHDRSZ;
+
+	do {
+		if (count < rsize)
+			rsize = count;
+
+		n = p9_client_write(fid, NULL, data+total, *offset+total,
+									rsize);
+		if (n <= 0)
+			break;
+		count -= n;
+		total += n;
+	} while (count > 0);
+
+	if (total > 0) {
+		invalidate_inode_pages2_range(inode->i_mapping, origin,
+								origin+total);
+		*offset += total;
 	}
 
 	if (*offset > inode->i_size) {
@@ -225,7 +244,10 @@ v9fs_file_write(struct file *filp, const char __user * data,
 		inode->i_blocks = (inode->i_size + 512 - 1) >> 9;
 	}
 
-	return ret;
+	if (n < 0)
+		return n;
+
+	return total;
 }
 
 static const struct file_operations v9fs_cached_file_operations = {
-- 
GitLab


From 06b55b464ee5b305aca75cb7d9424b184bf07f68 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 20:36:15 -0500
Subject: [PATCH 0920/2224] 9p: move dirread to fs layer

Currently reading a directory is implemented in the client code.
This function is not actually a wire operation, but a meta operation
which calls read operations and processes the results.

This patch moves this functionality to the fs layer and calls component
wire operations instead of constructing their packets.  This provides a
cleaner separation and will help when we reorganize the client functions
and protocol processing methods.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_dir.c         |  54 ++++++++++++++-------
 include/net/9p/client.h |   5 --
 net/9p/client.c         | 103 ----------------------------------------
 3 files changed, 38 insertions(+), 124 deletions(-)

diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index e298fe19409..d7d0ac5a2ca 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -69,32 +69,54 @@ static inline int dt_type(struct p9_stat *mistat)
 static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	int over;
+	struct p9_stat st;
+	int err;
 	struct p9_fid *fid;
-	struct v9fs_session_info *v9ses;
-	struct inode *inode;
-	struct p9_stat *st;
+	int buflen;
+	char *statbuf;
+	int n, i = 0;
 
 	P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name);
-	inode = filp->f_path.dentry->d_inode;
-	v9ses = v9fs_inode2v9ses(inode);
 	fid = filp->private_data;
-	while ((st = p9_client_dirread(fid, filp->f_pos)) != NULL) {
-		if (IS_ERR(st))
-			return PTR_ERR(st);
 
-		over = filldir(dirent, st->name.str, st->name.len, filp->f_pos,
-			v9fs_qid2ino(&st->qid), dt_type(st));
+	buflen = fid->clnt->msize - P9_IOHDRSZ;
+	statbuf = kmalloc(buflen, GFP_KERNEL);
+	if (!statbuf)
+		return -ENOMEM;
 
-		if (over)
+	while (1) {
+		err = v9fs_file_readn(filp, statbuf, NULL, fid->rdir_fpos,
+									buflen);
+		if (err <= 0)
 			break;
 
-		filp->f_pos += st->size;
-		kfree(st);
-		st = NULL;
+		n = err;
+		while (i < n) {
+			err = p9_deserialize_stat(statbuf + i, buflen-i, &st,
+							fid->clnt->dotu);
+			if (!err) {
+				err = -EIO;
+				goto free_and_exit;
+			}
+
+			i += err;
+			fid->rdir_fpos += err;
+
+			over = filldir(dirent, st.name.str, st.name.len,
+			    filp->f_pos, v9fs_qid2ino(&st.qid), dt_type(&st));
+
+			filp->f_pos += st.size;
+
+			if (over) {
+				err = 0;
+				goto free_and_exit;
+			}
+		}
 	}
 
-	kfree(st);
-	return 0;
+free_and_exit:
+	kfree(statbuf);
+	return err;
 }
 
 
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index bb8b0ede132..eeb7d922816 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -163,8 +163,6 @@ struct p9_client {
  * @uid: the numeric uid of the local user who owns this handle
  * @aux: transport specific information (unused?)
  * @rdir_fpos: tracks offset of file position when reading directory contents
- * @rdir_pos: (unused?)
- * @rdir_fcall: holds response of last directory read request
  * @flist: per-client-instance fid tracking
  * @dlist: per-dentry fid tracking
  *
@@ -181,8 +179,6 @@ struct p9_fid {
 	void *aux;
 
 	int rdir_fpos;
-	int rdir_pos;
-	struct p9_fcall *rdir_fcall;
 	struct list_head flist;
 	struct list_head dlist;	/* list of all fids attached to a dentry */
 };
@@ -207,7 +203,6 @@ int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 							u64 offset, u32 count);
 struct p9_stat *p9_client_stat(struct p9_fid *fid);
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
-struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset);
 
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
 void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
diff --git a/net/9p/client.c b/net/9p/client.c
index d5ea042eabb..90ee9efeede 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -559,8 +559,6 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 	memset(&fid->qid, 0, sizeof(struct p9_qid));
 	fid->mode = -1;
 	fid->rdir_fpos = 0;
-	fid->rdir_pos = 0;
-	fid->rdir_fcall = NULL;
 	fid->uid = current->fsuid;
 	fid->clnt = clnt;
 	fid->aux = NULL;
@@ -586,7 +584,6 @@ static void p9_fid_destroy(struct p9_fid *fid)
 	spin_lock(&clnt->lock);
 	list_del(&fid->flist);
 	spin_unlock(&clnt->lock);
-	kfree(fid->rdir_fcall);
 	kfree(fid);
 }
 
@@ -1261,103 +1258,3 @@ done:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_wstat);
-
-struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset)
-{
-	int err, n, m;
-	struct p9_fcall *tc, *rc;
-	struct p9_client *clnt;
-	struct p9_stat st, *ret;
-
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu\n", fid->fid,
-						(long long unsigned) offset);
-	err = 0;
-	tc = NULL;
-	rc = NULL;
-	ret = NULL;
-	clnt = fid->clnt;
-
-	/* if the offset is below or above the current response, free it */
-	if (offset < fid->rdir_fpos || (fid->rdir_fcall &&
-		offset >= fid->rdir_fpos+fid->rdir_fcall->params.rread.count)) {
-		fid->rdir_pos = 0;
-		if (fid->rdir_fcall)
-			fid->rdir_fpos += fid->rdir_fcall->params.rread.count;
-
-		kfree(fid->rdir_fcall);
-		fid->rdir_fcall = NULL;
-		if (offset < fid->rdir_fpos)
-			fid->rdir_fpos = 0;
-	}
-
-	if (!fid->rdir_fcall) {
-		n = fid->iounit;
-		if (!n || n > clnt->msize-P9_IOHDRSZ)
-			n = clnt->msize - P9_IOHDRSZ;
-
-		while (1) {
-			if (fid->rdir_fcall) {
-				fid->rdir_fpos +=
-					fid->rdir_fcall->params.rread.count;
-				kfree(fid->rdir_fcall);
-				fid->rdir_fcall = NULL;
-			}
-
-			tc = p9_create_tread(fid->fid, fid->rdir_fpos, n);
-			if (IS_ERR(tc)) {
-				err = PTR_ERR(tc);
-				tc = NULL;
-				goto error;
-			}
-
-			err = p9_client_rpc(clnt, tc, &rc);
-			if (err)
-				goto error;
-
-			n = rc->params.rread.count;
-			if (n == 0)
-				goto done;
-
-			fid->rdir_fcall = rc;
-			rc = NULL;
-			if (offset >= fid->rdir_fpos &&
-						offset < fid->rdir_fpos+n)
-				break;
-		}
-
-		fid->rdir_pos = 0;
-	}
-
-	m = offset - fid->rdir_fpos;
-	if (m < 0)
-		goto done;
-
-	n = p9_deserialize_stat(fid->rdir_fcall->params.rread.data + m,
-		fid->rdir_fcall->params.rread.count - m, &st, clnt->dotu);
-
-	if (!n) {
-		err = -EIO;
-		goto error;
-	}
-
-	fid->rdir_pos += n;
-	st.size = n;
-	ret = p9_clone_stat(&st, clnt->dotu);
-	if (IS_ERR(ret)) {
-		err = PTR_ERR(ret);
-		ret = NULL;
-		goto error;
-	}
-
-done:
-	kfree(tc);
-	kfree(rc);
-	return ret;
-
-error:
-	kfree(tc);
-	kfree(rc);
-	kfree(ret);
-	return ERR_PTR(err);
-}
-EXPORT_SYMBOL(p9_client_dirread);
-- 
GitLab


From 6936bf60d2c407449c09e3f28ec0301e1f937106 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 20:36:14 -0500
Subject: [PATCH 0921/2224] 9p: encapsulate version function

Alsmot all 9P client wire functions have their own (set of) functions.
Tversion is an exception as its encapsulated into the client_create code.

This patch moves the protocol specifics of this to a function to match the
rest of the code.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/client.c | 74 +++++++++++++++++++++++++++++--------------------
 1 file changed, 44 insertions(+), 30 deletions(-)

diff --git a/net/9p/client.c b/net/9p/client.c
index 90ee9efeede..a9982df00a3 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -587,16 +587,56 @@ static void p9_fid_destroy(struct p9_fid *fid)
 	kfree(fid);
 }
 
-struct p9_client *p9_client_create(const char *dev_name, char *options)
+static int p9_client_version(struct p9_client *clnt)
 {
-	int err, n;
-	struct p9_client *clnt;
+	int err = 0;
 	struct p9_fcall *tc, *rc;
 	struct p9_str *version;
 
+	P9_DPRINTK(P9_DEBUG_9P, "%p\n", clnt);
 	err = 0;
 	tc = NULL;
 	rc = NULL;
+
+	tc = p9_create_tversion(clnt->msize,
+					clnt->dotu ? "9P2000.u" : "9P2000");
+	if (IS_ERR(tc)) {
+		err = PTR_ERR(tc);
+		tc = NULL;
+		goto error;
+	}
+
+	err = p9_client_rpc(clnt, tc, &rc);
+	if (err)
+		goto error;
+
+	version = &rc->params.rversion.version;
+	if (version->len == 8 && !memcmp(version->str, "9P2000.u", 8))
+		clnt->dotu = 1;
+	else if (version->len == 6 && !memcmp(version->str, "9P2000", 6))
+		clnt->dotu = 0;
+	else {
+		err = -EREMOTEIO;
+		goto error;
+	}
+
+	if (rc->params.rversion.msize < clnt->msize)
+		clnt->msize = rc->params.rversion.msize;
+
+error:
+	kfree(tc);
+	kfree(rc);
+
+	return err;
+}
+EXPORT_SYMBOL(p9_client_auth);
+
+struct p9_client *p9_client_create(const char *dev_name, char *options)
+{
+	int err;
+	struct p9_client *clnt;
+
+	err = 0;
 	clnt = kmalloc(sizeof(struct p9_client), GFP_KERNEL);
 	if (!clnt)
 		return ERR_PTR(-ENOMEM);
@@ -628,7 +668,6 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
 	P9_DPRINTK(P9_DEBUG_9P, "clnt %p trans %p msize %d dotu %d\n",
 		clnt, clnt->trans_mod, clnt->msize, clnt->dotu);
 
-
 	err = clnt->trans_mod->create(clnt, dev_name, options);
 	if (err)
 		goto error;
@@ -636,38 +675,13 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
 	if ((clnt->msize+P9_IOHDRSZ) > clnt->trans_mod->maxsize)
 		clnt->msize = clnt->trans_mod->maxsize-P9_IOHDRSZ;
 
-	tc = p9_create_tversion(clnt->msize, clnt->dotu?"9P2000.u":"9P2000");
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto error;
-	}
-
-	err = p9_client_rpc(clnt, tc, &rc);
+	err = p9_client_version(clnt);
 	if (err)
 		goto error;
 
-	version = &rc->params.rversion.version;
-	if (version->len == 8 && !memcmp(version->str, "9P2000.u", 8))
-		clnt->dotu = 1;
-	else if (version->len == 6 && !memcmp(version->str, "9P2000", 6))
-		clnt->dotu = 0;
-	else {
-		err = -EREMOTEIO;
-		goto error;
-	}
-
-	n = rc->params.rversion.msize;
-	if (n < clnt->msize)
-		clnt->msize = n;
-
-	kfree(tc);
-	kfree(rc);
 	return clnt;
 
 error:
-	kfree(tc);
-	kfree(rc);
 	p9_client_destroy(clnt);
 	return ERR_PTR(err);
 }
-- 
GitLab


From ace51c4dd2f968f427c4627023759ae7e3786cba Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Mon, 13 Oct 2008 20:40:27 -0500
Subject: [PATCH 0922/2224] 9p: add new protocol support code

This adds a new protocol processing support code based on Anthony Liguori's
9p library code.  This code performs protocol marshalling/unmarshalling using
printf like strings to represent protocol elements.  It is my intent to use
them to replace the current functions in conv.c as well as the
p9_create_* functions.

This should make the client implementation much more clear, and also make it
much easier to add new protocol extensions by limiting the number of places
in which changes need to be made.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/9p.h |   8 +-
 net/9p/Makefile     |   1 +
 net/9p/protocol.c   | 457 ++++++++++++++++++++++++++++++++++++++++++++
 net/9p/protocol.h   |  31 +++
 4 files changed, 496 insertions(+), 1 deletion(-)
 create mode 100644 net/9p/protocol.c
 create mode 100644 net/9p/protocol.h

diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index fb163e2e0de..f9e25268b70 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -509,6 +509,8 @@ struct p9_rwstat {
  * @size: prefixed length of the structure
  * @id: protocol operating identifier of type &p9_msg_t
  * @tag: transaction id of the request
+ * @offset: used by marshalling routines to track currentposition in buffer
+ * @capacity: used by marshalling routines to track total capacity
  * @sdata: payload
  * @params: per-operation parameters
  *
@@ -523,7 +525,11 @@ struct p9_fcall {
 	u32 size;
 	u8 id;
 	u16 tag;
-	void *sdata;
+
+	size_t offset;
+	size_t capacity;
+
+	uint8_t *sdata;
 
 	union {
 		struct p9_tversion tversion;
diff --git a/net/9p/Makefile b/net/9p/Makefile
index 519219480db..84c23499a29 100644
--- a/net/9p/Makefile
+++ b/net/9p/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
 	error.o \
 	fcprint.o \
 	util.o \
+	protocol.o \
 	trans_fd.o \
 
 9pnet_virtio-objs := \
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
new file mode 100644
index 00000000000..43e98220e9a
--- /dev/null
+++ b/net/9p/protocol.c
@@ -0,0 +1,457 @@
+/*
+ * net/9p/protocol.c
+ *
+ * 9P Protocol Support Code
+ *
+ *  Copyright (C) 2008 by Eric Van Hensbergen <ericvh@gmail.com>
+ *
+ *  Base on code from Anthony Liguori <aliguori@us.ibm.com>
+ *  Copyright (C) 2008 by IBM, Corp.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to:
+ *  Free Software Foundation
+ *  51 Franklin Street, Fifth Floor
+ *  Boston, MA  02111-1301  USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <net/9p/9p.h>
+#include <net/9p/client.h>
+#include "protocol.h"
+
+#ifndef MIN
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+
+#ifndef MAX
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif
+
+#ifndef offset_of
+#define offset_of(type, memb) \
+	((unsigned long)(&((type *)0)->memb))
+#endif
+#ifndef container_of
+#define container_of(obj, type, memb) \
+	((type *)(((char *)obj) - offset_of(type, memb)))
+#endif
+
+static int
+p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...);
+
+void p9stat_free(struct p9_wstat *stbuf)
+{
+	kfree(stbuf->name);
+	kfree(stbuf->uid);
+	kfree(stbuf->gid);
+	kfree(stbuf->muid);
+	kfree(stbuf->extension);
+}
+EXPORT_SYMBOL(p9stat_free);
+
+static size_t pdu_read(struct p9_fcall *pdu, void *data, size_t size)
+{
+	size_t len = MIN(pdu->size - pdu->offset, size);
+	memcpy(data, &pdu->sdata[pdu->offset], len);
+	pdu->offset += len;
+	return size - len;
+}
+
+static size_t pdu_write(struct p9_fcall *pdu, const void *data, size_t size)
+{
+	size_t len = MIN(pdu->capacity - pdu->size, size);
+	memcpy(&pdu->sdata[pdu->size], data, len);
+	pdu->size += len;
+	return size - len;
+}
+
+/*
+	b - int8_t
+	w - int16_t
+	d - int32_t
+	q - int64_t
+	s - string
+	S - stat
+	Q - qid
+	D - data blob (int32_t size followed by void *, results are not freed)
+	T - array of strings (int16_t count, followed by strings)
+	R - array of qids (int16_t count, followed by qids)
+	? - if optional = 1, continue parsing
+*/
+
+static int
+p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
+{
+	const char *ptr;
+	int errcode = 0;
+
+	for (ptr = fmt; *ptr; ptr++) {
+		switch (*ptr) {
+		case 'b':{
+				int8_t *val = va_arg(ap, int8_t *);
+				if (pdu_read(pdu, val, sizeof(*val))) {
+					errcode = -EFAULT;
+					break;
+				}
+			}
+			break;
+		case 'w':{
+				int16_t *val = va_arg(ap, int16_t *);
+				if (pdu_read(pdu, val, sizeof(*val))) {
+					errcode = -EFAULT;
+					break;
+				}
+				*val = cpu_to_le16(*val);
+			}
+			break;
+		case 'd':{
+				int32_t *val = va_arg(ap, int32_t *);
+				if (pdu_read(pdu, val, sizeof(*val))) {
+					errcode = -EFAULT;
+					break;
+				}
+				*val = cpu_to_le32(*val);
+			}
+			break;
+		case 'q':{
+				int64_t *val = va_arg(ap, int64_t *);
+				if (pdu_read(pdu, val, sizeof(*val))) {
+					errcode = -EFAULT;
+					break;
+				}
+				*val = cpu_to_le64(*val);
+			}
+			break;
+		case 's':{
+				char **ptr = va_arg(ap, char **);
+				int16_t len;
+				int size;
+
+				errcode = p9pdu_readf(pdu, optional, "w", &len);
+				if (errcode)
+					break;
+
+				size = MAX(len, 0);
+
+				*ptr = kmalloc(size + 1, GFP_KERNEL);
+				if (*ptr == NULL) {
+					errcode = -EFAULT;
+					break;
+				}
+				if (pdu_read(pdu, *ptr, size)) {
+					errcode = -EFAULT;
+					kfree(*ptr);
+					*ptr = NULL;
+				} else
+					(*ptr)[size] = 0;
+			}
+			break;
+		case 'Q':{
+				struct p9_qid *qid =
+				    va_arg(ap, struct p9_qid *);
+
+				errcode = p9pdu_readf(pdu, optional, "bdq",
+						      &qid->type, &qid->version,
+						      &qid->path);
+			}
+			break;
+		case 'S':{
+				struct p9_wstat *stbuf =
+				    va_arg(ap, struct p9_wstat *);
+
+				stbuf->extension = NULL;
+				stbuf->n_uid = stbuf->n_gid = stbuf->n_muid =
+				    -1;
+
+				errcode =
+				    p9pdu_readf(pdu, optional,
+						"wwdQdddqssss?sddd",
+						&stbuf->size, &stbuf->type,
+						&stbuf->dev, &stbuf->qid,
+						&stbuf->mode, &stbuf->atime,
+						&stbuf->mtime, &stbuf->length,
+						&stbuf->name, &stbuf->uid,
+						&stbuf->gid, &stbuf->muid,
+						&stbuf->extension,
+						&stbuf->n_uid, &stbuf->n_gid,
+						&stbuf->n_muid);
+				if (errcode)
+					p9stat_free(stbuf);
+			}
+			break;
+		case 'D':{
+				int32_t *count = va_arg(ap, int32_t *);
+				void **data = va_arg(ap, void **);
+
+				errcode =
+				    p9pdu_readf(pdu, optional, "d", count);
+				if (!errcode) {
+					*count =
+					    MIN(*count,
+						pdu->size - pdu->offset);
+					*data = &pdu->sdata[pdu->offset];
+				}
+			}
+			break;
+		case 'T':{
+				int16_t *nwname = va_arg(ap, int16_t *);
+				char ***wnames = va_arg(ap, char ***);
+
+				errcode =
+				    p9pdu_readf(pdu, optional, "w", nwname);
+				if (!errcode) {
+					*wnames =
+					    kmalloc(sizeof(char *) * *nwname,
+						    GFP_KERNEL);
+					if (!*wnames)
+						errcode = -ENOMEM;
+				}
+
+				if (!errcode) {
+					int i;
+
+					for (i = 0; i < *nwname; i++) {
+						errcode =
+						    p9pdu_readf(pdu, optional,
+								"s",
+								&(*wnames)[i]);
+						if (errcode)
+							break;
+					}
+				}
+
+				if (errcode) {
+					if (*wnames) {
+						int i;
+
+						for (i = 0; i < *nwname; i++)
+							kfree((*wnames)[i]);
+					}
+					kfree(*wnames);
+					*wnames = NULL;
+				}
+			}
+			break;
+		case 'R':{
+				int16_t *nwqid = va_arg(ap, int16_t *);
+				struct p9_qid **wqids =
+				    va_arg(ap, struct p9_qid **);
+
+				*wqids = NULL;
+
+				errcode =
+				    p9pdu_readf(pdu, optional, "w", nwqid);
+				if (!errcode) {
+					*wqids =
+					    kmalloc(*nwqid *
+						    sizeof(struct p9_qid),
+						    GFP_KERNEL);
+					if (*wqids == NULL)
+						errcode = -ENOMEM;
+				}
+
+				if (!errcode) {
+					int i;
+
+					for (i = 0; i < *nwqid; i++) {
+						errcode =
+						    p9pdu_readf(pdu, optional,
+								"Q",
+								&(*wqids)[i]);
+						if (errcode)
+							break;
+					}
+				}
+
+				if (errcode) {
+					kfree(*wqids);
+					*wqids = NULL;
+				}
+			}
+			break;
+		case '?':
+			if (!optional)
+				return 0;
+			break;
+		default:
+			BUG();
+			break;
+		}
+
+		if (errcode)
+			break;
+	}
+
+	return errcode;
+}
+
+int
+p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
+{
+	const char *ptr;
+	int errcode = 0;
+
+	for (ptr = fmt; *ptr; ptr++) {
+		switch (*ptr) {
+		case 'b':{
+				int8_t val = va_arg(ap, int);
+				if (pdu_write(pdu, &val, sizeof(val)))
+					errcode = -EFAULT;
+			}
+			break;
+		case 'w':{
+				int16_t val = va_arg(ap, int);
+				if (pdu_write(pdu, &val, sizeof(val)))
+					errcode = -EFAULT;
+			}
+			break;
+		case 'd':{
+				int32_t val = va_arg(ap, int32_t);
+				if (pdu_write(pdu, &val, sizeof(val)))
+					errcode = -EFAULT;
+			}
+			break;
+		case 'q':{
+				int64_t val = va_arg(ap, int64_t);
+				if (pdu_write(pdu, &val, sizeof(val)))
+					errcode = -EFAULT;
+			}
+			break;
+		case 's':{
+				const char *ptr = va_arg(ap, const char *);
+				int16_t len = 0;
+
+				if (ptr)
+					len = MIN(strlen(ptr), USHORT_MAX);
+
+				errcode = p9pdu_writef(pdu, optional, "w", len);
+				if (!errcode && pdu_write(pdu, ptr, len))
+					errcode = -EFAULT;
+			}
+			break;
+		case 'Q':{
+				const struct p9_qid *qid =
+				    va_arg(ap, const struct p9_qid *);
+				errcode =
+				    p9pdu_writef(pdu, optional, "bdq",
+						 qid->type, qid->version,
+						 qid->path);
+			} break;
+		case 'S':{
+				const struct p9_wstat *stbuf =
+				    va_arg(ap, const struct p9_wstat *);
+				errcode =
+				    p9pdu_writef(pdu, optional,
+						 "wwdQdddqssss?sddd",
+						 stbuf->size, stbuf->type,
+						 stbuf->dev, stbuf->qid,
+						 stbuf->mode, stbuf->atime,
+						 stbuf->mtime, stbuf->length,
+						 stbuf->name, stbuf->uid,
+						 stbuf->gid, stbuf->muid,
+						 stbuf->extension, stbuf->n_uid,
+						 stbuf->n_gid, stbuf->n_muid);
+			} break;
+		case 'D':{
+				int32_t count = va_arg(ap, int32_t);
+				const void *data = va_arg(ap, const void *);
+
+				errcode =
+				    p9pdu_writef(pdu, optional, "d", count);
+				if (!errcode && pdu_write(pdu, data, count))
+					errcode = -EFAULT;
+			}
+			break;
+		case 'T':{
+				int16_t nwname = va_arg(ap, int);
+				const char **wnames = va_arg(ap, const char **);
+
+				errcode =
+				    p9pdu_writef(pdu, optional, "w", nwname);
+				if (!errcode) {
+					int i;
+
+					for (i = 0; i < nwname; i++) {
+						errcode =
+						    p9pdu_writef(pdu, optional,
+								 "s",
+								 wnames[i]);
+						if (errcode)
+							break;
+					}
+				}
+			}
+			break;
+		case 'R':{
+				int16_t nwqid = va_arg(ap, int);
+				struct p9_qid *wqids =
+				    va_arg(ap, struct p9_qid *);
+
+				errcode =
+				    p9pdu_writef(pdu, optional, "w", nwqid);
+				if (!errcode) {
+					int i;
+
+					for (i = 0; i < nwqid; i++) {
+						errcode =
+						    p9pdu_writef(pdu, optional,
+								 "Q",
+								 &wqids[i]);
+						if (errcode)
+							break;
+					}
+				}
+			}
+			break;
+		case '?':
+			if (!optional)
+				return 0;
+			break;
+		default:
+			BUG();
+			break;
+		}
+
+		if (errcode)
+			break;
+	}
+
+	return errcode;
+}
+
+int p9pdu_readf(struct p9_fcall *pdu, int optional, const char *fmt, ...)
+{
+	va_list ap;
+	int ret;
+
+	va_start(ap, fmt);
+	ret = p9pdu_vreadf(pdu, optional, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
+
+static int
+p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...)
+{
+	va_list ap;
+	int ret;
+
+	va_start(ap, fmt);
+	ret = p9pdu_vwritef(pdu, optional, fmt, ap);
+	va_end(ap);
+
+	return ret;
+}
diff --git a/net/9p/protocol.h b/net/9p/protocol.h
new file mode 100644
index 00000000000..596ee10d506
--- /dev/null
+++ b/net/9p/protocol.h
@@ -0,0 +1,31 @@
+/*
+ * net/9p/protocol.h
+ *
+ * 9P Protocol Support Code
+ *
+ *  Copyright (C) 2008 by Eric Van Hensbergen <ericvh@gmail.com>
+ *
+ *  Base on code from Anthony Liguori <aliguori@us.ibm.com>
+ *  Copyright (C) 2008 by IBM, Corp.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to:
+ *  Free Software Foundation
+ *  51 Franklin Street, Fifth Floor
+ *  Boston, MA  02111-1301  USA
+ *
+ */
+
+int
+p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap);
+
+int p9pdu_readf(struct p9_fcall *pdu, int optional, const char *fmt, ...);
-- 
GitLab


From 51d71f9f7a639c8a39401de1ec5ce9b0b6476c99 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Thu, 16 Oct 2008 08:29:31 -0500
Subject: [PATCH 0923/2224] 9p: remove 9p fcall debug prints

One of the current debug options allows users to get a verbose dump of fcalls.
This isn't really necessary as correctly parsed protocol frames can be printed
as part of the code in the client functions.  The consolidated printfcalls
structure would require new entries to be added for every extension.  This
patch removes the debug print methods and their use.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/9p.h |   1 -
 net/9p/Makefile     |   1 -
 net/9p/client.c     |   9 --
 net/9p/fcprint.c    | 366 --------------------------------------------
 net/9p/trans_fd.c   |   9 --
 5 files changed, 386 deletions(-)
 delete mode 100644 net/9p/fcprint.c

diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index f9e25268b70..46d0b8f8e5e 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -590,7 +590,6 @@ struct p9_fcall *p9_create_tstat(u32 fid);
 struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
 	int dotu);
 
-int p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int dotu);
 int p9_errstr2errno(char *errstr, int len);
 
 struct p9_idpool *p9_idpool_create(void);
diff --git a/net/9p/Makefile b/net/9p/Makefile
index 84c23499a29..c3302d88b80 100644
--- a/net/9p/Makefile
+++ b/net/9p/Makefile
@@ -6,7 +6,6 @@ obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
 	client.o \
 	conv.o \
 	error.o \
-	fcprint.o \
 	util.o \
 	protocol.o \
 	trans_fd.o \
diff --git a/net/9p/client.c b/net/9p/client.c
index a9982df00a3..6004fded668 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -502,15 +502,6 @@ again:
 		goto reterr;
 	}
 
-#ifdef CONFIG_NET_9P_DEBUG
-	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
-		char buf[150];
-
-		p9_printfcall(buf, sizeof(buf), req->rc, c->dotu);
-		printk(KERN_NOTICE ">>> %p %s\n", c, buf);
-	}
-#endif
-
 	if (req->rc->id == P9_RERROR) {
 		int ecode = req->rc->params.rerror.errno;
 		struct p9_str *ename = &req->rc->params.rerror.error;
diff --git a/net/9p/fcprint.c b/net/9p/fcprint.c
deleted file mode 100644
index 53dd8e28dd8..00000000000
--- a/net/9p/fcprint.c
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- *  net/9p/fcprint.c
- *
- *  Print 9P call.
- *
- *  Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2
- *  as published by the Free Software Foundation.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to:
- *  Free Software Foundation
- *  51 Franklin Street, Fifth Floor
- *  Boston, MA  02111-1301  USA
- *
- */
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/idr.h>
-#include <net/9p/9p.h>
-
-#ifdef CONFIG_NET_9P_DEBUG
-
-static int
-p9_printqid(char *buf, int buflen, struct p9_qid *q)
-{
-	int n;
-	char b[10];
-
-	n = 0;
-	if (q->type & P9_QTDIR)
-		b[n++] = 'd';
-	if (q->type & P9_QTAPPEND)
-		b[n++] = 'a';
-	if (q->type & P9_QTAUTH)
-		b[n++] = 'A';
-	if (q->type & P9_QTEXCL)
-		b[n++] = 'l';
-	if (q->type & P9_QTTMP)
-		b[n++] = 't';
-	if (q->type & P9_QTSYMLINK)
-		b[n++] = 'L';
-	b[n] = '\0';
-
-	return scnprintf(buf, buflen, "(%.16llx %x %s)",
-					(long long int) q->path, q->version, b);
-}
-
-static int
-p9_printperm(char *buf, int buflen, int perm)
-{
-	int n;
-	char b[15];
-
-	n = 0;
-	if (perm & P9_DMDIR)
-		b[n++] = 'd';
-	if (perm & P9_DMAPPEND)
-		b[n++] = 'a';
-	if (perm & P9_DMAUTH)
-		b[n++] = 'A';
-	if (perm & P9_DMEXCL)
-		b[n++] = 'l';
-	if (perm & P9_DMTMP)
-		b[n++] = 't';
-	if (perm & P9_DMDEVICE)
-		b[n++] = 'D';
-	if (perm & P9_DMSOCKET)
-		b[n++] = 'S';
-	if (perm & P9_DMNAMEDPIPE)
-		b[n++] = 'P';
-	if (perm & P9_DMSYMLINK)
-		b[n++] = 'L';
-	b[n] = '\0';
-
-	return scnprintf(buf, buflen, "%s%03o", b, perm&077);
-}
-
-static int
-p9_printstat(char *buf, int buflen, struct p9_stat *st, int extended)
-{
-	int n;
-
-	n = scnprintf(buf, buflen, "'%.*s' '%.*s'", st->name.len,
-		st->name.str, st->uid.len, st->uid.str);
-	if (extended)
-		n += scnprintf(buf+n, buflen-n, "(%d)", st->n_uid);
-
-	n += scnprintf(buf+n, buflen-n, " '%.*s'", st->gid.len, st->gid.str);
-	if (extended)
-		n += scnprintf(buf+n, buflen-n, "(%d)", st->n_gid);
-
-	n += scnprintf(buf+n, buflen-n, " '%.*s'", st->muid.len, st->muid.str);
-	if (extended)
-		n += scnprintf(buf+n, buflen-n, "(%d)", st->n_muid);
-
-	n += scnprintf(buf+n, buflen-n, " q ");
-	n += p9_printqid(buf+n, buflen-n, &st->qid);
-	n += scnprintf(buf+n, buflen-n, " m ");
-	n += p9_printperm(buf+n, buflen-n, st->mode);
-	n += scnprintf(buf+n, buflen-n, " at %d mt %d l %lld",
-		st->atime, st->mtime, (long long int) st->length);
-
-	if (extended)
-		n += scnprintf(buf+n, buflen-n, " ext '%.*s'",
-			st->extension.len, st->extension.str);
-
-	return n;
-}
-
-static int
-p9_dumpdata(char *buf, int buflen, u8 *data, int datalen)
-{
-	int i, n;
-
-	i = n = 0;
-	while (i < datalen) {
-		n += scnprintf(buf + n, buflen - n, "%02x", data[i]);
-		if (i%4 == 3)
-			n += scnprintf(buf + n, buflen - n, " ");
-		if (i%32 == 31)
-			n += scnprintf(buf + n, buflen - n, "\n");
-
-		i++;
-	}
-	n += scnprintf(buf + n, buflen - n, "\n");
-
-	return n;
-}
-
-static int
-p9_printdata(char *buf, int buflen, u8 *data, int datalen)
-{
-	return p9_dumpdata(buf, buflen, data, datalen < 16?datalen:16);
-}
-
-/**
- * p9_printfcall - decode and print a protocol structure into a buffer
- * @buf: buffer to deposit decoded structure into
- * @buflen: available space in buffer
- * @fc: protocol rpc structure of type &p9_fcall
- * @extended: whether or not session is operating with extended protocol
- */
-
-int
-p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int extended)
-{
-	int i, ret, type, tag;
-
-	if (!fc)
-		return scnprintf(buf, buflen, "<NULL>");
-
-	type = fc->id;
-	tag = fc->tag;
-
-	ret = 0;
-	switch (type) {
-	case P9_TVERSION:
-		ret += scnprintf(buf+ret, buflen-ret,
-				"Tversion tag %u msize %u version '%.*s'", tag,
-				fc->params.tversion.msize,
-				fc->params.tversion.version.len,
-				fc->params.tversion.version.str);
-		break;
-
-	case P9_RVERSION:
-		ret += scnprintf(buf+ret, buflen-ret,
-				"Rversion tag %u msize %u version '%.*s'", tag,
-				fc->params.rversion.msize,
-				fc->params.rversion.version.len,
-				fc->params.rversion.version.str);
-		break;
-
-	case P9_TAUTH:
-		ret += scnprintf(buf+ret, buflen-ret,
-			"Tauth tag %u afid %d uname '%.*s' aname '%.*s'", tag,
-			fc->params.tauth.afid, fc->params.tauth.uname.len,
-			fc->params.tauth.uname.str, fc->params.tauth.aname.len,
-			fc->params.tauth.aname.str);
-		break;
-
-	case P9_RAUTH:
-		ret += scnprintf(buf+ret, buflen-ret, "Rauth tag %u qid ", tag);
-		p9_printqid(buf+ret, buflen-ret, &fc->params.rauth.qid);
-		break;
-
-	case P9_TATTACH:
-		ret += scnprintf(buf+ret, buflen-ret,
-		 "Tattach tag %u fid %d afid %d uname '%.*s' aname '%.*s'", tag,
-		 fc->params.tattach.fid, fc->params.tattach.afid,
-		 fc->params.tattach.uname.len, fc->params.tattach.uname.str,
-		 fc->params.tattach.aname.len, fc->params.tattach.aname.str);
-		break;
-
-	case P9_RATTACH:
-		ret += scnprintf(buf+ret, buflen-ret, "Rattach tag %u qid ",
-									tag);
-		p9_printqid(buf+ret, buflen-ret, &fc->params.rattach.qid);
-		break;
-
-	case P9_RERROR:
-		ret += scnprintf(buf+ret, buflen-ret,
-				"Rerror tag %u ename '%.*s'", tag,
-				fc->params.rerror.error.len,
-				fc->params.rerror.error.str);
-		if (extended)
-			ret += scnprintf(buf+ret, buflen-ret, " ecode %d\n",
-				fc->params.rerror.errno);
-		break;
-
-	case P9_TFLUSH:
-		ret += scnprintf(buf+ret, buflen-ret, "Tflush tag %u oldtag %u",
-			tag, fc->params.tflush.oldtag);
-		break;
-
-	case P9_RFLUSH:
-		ret += scnprintf(buf+ret, buflen-ret, "Rflush tag %u", tag);
-		break;
-
-	case P9_TWALK:
-		ret += scnprintf(buf+ret, buflen-ret,
-			"Twalk tag %u fid %d newfid %d nwname %d", tag,
-			fc->params.twalk.fid, fc->params.twalk.newfid,
-			fc->params.twalk.nwname);
-		for (i = 0; i < fc->params.twalk.nwname; i++)
-			ret += scnprintf(buf+ret, buflen-ret, " '%.*s'",
-				fc->params.twalk.wnames[i].len,
-				fc->params.twalk.wnames[i].str);
-		break;
-
-	case P9_RWALK:
-		ret += scnprintf(buf+ret, buflen-ret, "Rwalk tag %u nwqid %d",
-			tag, fc->params.rwalk.nwqid);
-		for (i = 0; i < fc->params.rwalk.nwqid; i++)
-			ret += p9_printqid(buf+ret, buflen-ret,
-				&fc->params.rwalk.wqids[i]);
-		break;
-
-	case P9_TOPEN:
-		ret += scnprintf(buf+ret, buflen-ret,
-			"Topen tag %u fid %d mode %d", tag,
-			fc->params.topen.fid, fc->params.topen.mode);
-		break;
-
-	case P9_ROPEN:
-		ret += scnprintf(buf+ret, buflen-ret, "Ropen tag %u", tag);
-		ret += p9_printqid(buf+ret, buflen-ret, &fc->params.ropen.qid);
-		ret += scnprintf(buf+ret, buflen-ret, " iounit %d",
-			fc->params.ropen.iounit);
-		break;
-
-	case P9_TCREATE:
-		ret += scnprintf(buf+ret, buflen-ret,
-			"Tcreate tag %u fid %d name '%.*s' perm ", tag,
-			fc->params.tcreate.fid, fc->params.tcreate.name.len,
-			fc->params.tcreate.name.str);
-
-		ret += p9_printperm(buf+ret, buflen-ret,
-						fc->params.tcreate.perm);
-		ret += scnprintf(buf+ret, buflen-ret, " mode %d",
-			fc->params.tcreate.mode);
-		break;
-
-	case P9_RCREATE:
-		ret += scnprintf(buf+ret, buflen-ret, "Rcreate tag %u", tag);
-		ret += p9_printqid(buf+ret, buflen-ret,
-						&fc->params.rcreate.qid);
-		ret += scnprintf(buf+ret, buflen-ret, " iounit %d",
-			fc->params.rcreate.iounit);
-		break;
-
-	case P9_TREAD:
-		ret += scnprintf(buf+ret, buflen-ret,
-			"Tread tag %u fid %d offset %lld count %u", tag,
-			fc->params.tread.fid,
-			(long long int) fc->params.tread.offset,
-			fc->params.tread.count);
-		break;
-
-	case P9_RREAD:
-		ret += scnprintf(buf+ret, buflen-ret,
-			"Rread tag %u count %u data ", tag,
-			fc->params.rread.count);
-		ret += p9_printdata(buf+ret, buflen-ret, fc->params.rread.data,
-			fc->params.rread.count);
-		break;
-
-	case P9_TWRITE:
-		ret += scnprintf(buf+ret, buflen-ret,
-			"Twrite tag %u fid %d offset %lld count %u data ",
-			tag, fc->params.twrite.fid,
-			(long long int) fc->params.twrite.offset,
-			fc->params.twrite.count);
-		ret += p9_printdata(buf+ret, buflen-ret, fc->params.twrite.data,
-			fc->params.twrite.count);
-		break;
-
-	case P9_RWRITE:
-		ret += scnprintf(buf+ret, buflen-ret, "Rwrite tag %u count %u",
-			tag, fc->params.rwrite.count);
-		break;
-
-	case P9_TCLUNK:
-		ret += scnprintf(buf+ret, buflen-ret, "Tclunk tag %u fid %d",
-			tag, fc->params.tclunk.fid);
-		break;
-
-	case P9_RCLUNK:
-		ret += scnprintf(buf+ret, buflen-ret, "Rclunk tag %u", tag);
-		break;
-
-	case P9_TREMOVE:
-		ret += scnprintf(buf+ret, buflen-ret, "Tremove tag %u fid %d",
-			tag, fc->params.tremove.fid);
-		break;
-
-	case P9_RREMOVE:
-		ret += scnprintf(buf+ret, buflen-ret, "Rremove tag %u", tag);
-		break;
-
-	case P9_TSTAT:
-		ret += scnprintf(buf+ret, buflen-ret, "Tstat tag %u fid %d",
-			tag, fc->params.tstat.fid);
-		break;
-
-	case P9_RSTAT:
-		ret += scnprintf(buf+ret, buflen-ret, "Rstat tag %u ", tag);
-		ret += p9_printstat(buf+ret, buflen-ret, &fc->params.rstat.stat,
-			extended);
-		break;
-
-	case P9_TWSTAT:
-		ret += scnprintf(buf+ret, buflen-ret, "Twstat tag %u fid %d ",
-			tag, fc->params.twstat.fid);
-		ret += p9_printstat(buf+ret, buflen-ret,
-					&fc->params.twstat.stat, extended);
-		break;
-
-	case P9_RWSTAT:
-		ret += scnprintf(buf+ret, buflen-ret, "Rwstat tag %u", tag);
-		break;
-
-	default:
-		ret += scnprintf(buf+ret, buflen-ret, "unknown type %d", type);
-		break;
-	}
-
-	return ret;
-}
-#else
-int
-p9_printfcall(char *buf, int buflen, struct p9_fcall *fc, int extended)
-{
-	return 0;
-}
-#endif /* CONFIG_NET_9P_DEBUG */
-EXPORT_SYMBOL(p9_printfcall);
-
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index c07f2ab8d0f..95c9b949d1a 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -650,15 +650,6 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req)
 	if (m->err < 0)
 		return m->err;
 
-#ifdef CONFIG_NET_9P_DEBUG
-	if ((p9_debug_level&P9_DEBUG_FCALL) == P9_DEBUG_FCALL) {
-		char buf[150];
-
-		p9_printfcall(buf, sizeof(buf), req->tc, client->dotu);
-		printk(KERN_NOTICE "<<< %p %s\n", m, buf);
-	}
-#endif
-
 	req->status = REQ_STATUS_UNSENT;
 
 	spin_lock(&client->lock);
-- 
GitLab


From cb198131b0e7aba755ac164744536d461e86ab82 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Thu, 16 Oct 2008 08:29:31 -0500
Subject: [PATCH 0924/2224] 9p: remove unnecessary tag field from p9_req_t
 structure

This removes the vestigial tag field from the p9_req_t structure.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/client.h | 2 --
 net/9p/trans_fd.c       | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index eeb7d922816..475ef5cf164 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -81,7 +81,6 @@ enum p9_req_status_t {
  * @tc: the request fcall structure
  * @rc: the response fcall structure
  * @aux: transport specific data (provided for trans_fd migration)
- * @tag: tag on request (BUG: redundant)
  * @req_list: link for higher level objects to chain requests
  *
  * Transport use an array to track outstanding requests
@@ -104,7 +103,6 @@ struct p9_req_t {
 	u16 flush_tag;
 	void *aux;
 
-	int tag;
 	struct list_head req_list;
 };
 
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 95c9b949d1a..e147ec53958 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -672,7 +672,7 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
 	struct p9_trans_fd *ts = client->trans;
 	struct p9_conn *m = ts->conn;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p req %p tag %d\n", m, req, req->tag);
+	P9_DPRINTK(P9_DEBUG_MUX, "mux %p req %p\n", m, req);
 
 	spin_lock(&client->lock);
 	list_del(&req->req_list);
-- 
GitLab


From 51a87c552dfd428e304c865e24ecbe091556f226 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Thu, 16 Oct 2008 08:30:07 -0500
Subject: [PATCH 0925/2224] 9p: rework client code to use new protocol support
 functions

Now that the new protocol functions are in place, this patch switches
the client code to using the new support code.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/v9fs_vfs.h        |   4 +-
 fs/9p/vfs_dir.c         |   4 +-
 fs/9p/vfs_file.c        |   2 +-
 fs/9p/vfs_inode.c       |  38 +-
 fs/9p/vfs_super.c       |   6 +-
 include/net/9p/9p.h     |   7 +-
 include/net/9p/client.h |   7 +-
 net/9p/client.c         | 931 ++++++++++++++++++++--------------------
 net/9p/protocol.c       |  85 +++-
 net/9p/protocol.h       |   5 +-
 net/9p/trans_fd.c       |  62 ++-
 net/9p/util.c           |   4 +
 12 files changed, 611 insertions(+), 544 deletions(-)

diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 046cff377f1..c295ba786ed 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -46,10 +46,10 @@ extern struct dentry_operations v9fs_cached_dentry_operations;
 
 struct inode *v9fs_get_inode(struct super_block *sb, int mode);
 ino_t v9fs_qid2ino(struct p9_qid *qid);
-void v9fs_stat2inode(struct p9_stat *, struct inode *, struct super_block *);
+void v9fs_stat2inode(struct p9_wstat *, struct inode *, struct super_block *);
 int v9fs_dir_release(struct inode *inode, struct file *filp);
 int v9fs_file_open(struct inode *inode, struct file *file);
-void v9fs_inode2stat(struct inode *inode, struct p9_stat *stat);
+void v9fs_inode2stat(struct inode *inode, struct p9_wstat *stat);
 void v9fs_dentry_release(struct dentry *);
 int v9fs_uflags2omode(int uflags, int extended);
 
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index d7d0ac5a2ca..276aed62592 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -85,8 +85,8 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
 		return -ENOMEM;
 
 	while (1) {
-		err = v9fs_file_readn(filp, statbuf, NULL, fid->rdir_fpos,
-									buflen);
+		err = v9fs_file_readn(filp, statbuf, NULL, buflen,
+								fid->rdir_fpos);
 		if (err <= 0)
 			break;
 
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3fd28bbafc8..041c5269228 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -136,7 +136,7 @@ v9fs_file_readn(struct file *filp, char *data, char __user *udata, u32 count,
 	int n, total;
 	struct p9_fid *fid = filp->private_data;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu count %d\n", fid->fid,
+	P9_DPRINTK(P9_DEBUG_VFS, "fid %d offset %llu count %d\n", fid->fid,
 					(long long unsigned) offset, count);
 
 	n = 0;
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index e83aa5ebe86..e96d84aafbe 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -334,7 +334,7 @@ v9fs_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
 {
 	int err, umode;
 	struct inode *ret;
-	struct p9_stat *st;
+	struct p9_wstat *st;
 
 	ret = NULL;
 	st = p9_client_stat(fid);
@@ -417,6 +417,8 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	struct p9_fid *dfid, *ofid, *fid;
 	struct inode *inode;
 
+	P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
+
 	err = 0;
 	ofid = NULL;
 	fid = NULL;
@@ -424,6 +426,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	dfid = v9fs_fid_clone(dentry->d_parent);
 	if (IS_ERR(dfid)) {
 		err = PTR_ERR(dfid);
+		P9_DPRINTK(P9_DEBUG_VFS, "fid clone failed %d\n", err);
 		dfid = NULL;
 		goto error;
 	}
@@ -432,18 +435,22 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	ofid = p9_client_walk(dfid, 0, NULL, 1);
 	if (IS_ERR(ofid)) {
 		err = PTR_ERR(ofid);
+		P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
 		ofid = NULL;
 		goto error;
 	}
 
 	err = p9_client_fcreate(ofid, name, perm, mode, extension);
-	if (err < 0)
+	if (err < 0) {
+		P9_DPRINTK(P9_DEBUG_VFS, "p9_client_fcreate failed %d\n", err);
 		goto error;
+	}
 
 	/* now walk from the parent so we can get unopened fid */
 	fid = p9_client_walk(dfid, 1, &name, 0);
 	if (IS_ERR(fid)) {
 		err = PTR_ERR(fid);
+		P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
 		fid = NULL;
 		goto error;
 	} else
@@ -453,6 +460,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir,
 	inode = v9fs_inode_from_fid(v9ses, fid, dir->i_sb);
 	if (IS_ERR(inode)) {
 		err = PTR_ERR(inode);
+		P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", err);
 		goto error;
 	}
 
@@ -734,7 +742,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 	int err;
 	struct v9fs_session_info *v9ses;
 	struct p9_fid *fid;
-	struct p9_stat *st;
+	struct p9_wstat *st;
 
 	P9_DPRINTK(P9_DEBUG_VFS, "dentry: %p\n", dentry);
 	err = -EPERM;
@@ -815,10 +823,9 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
  */
 
 void
-v9fs_stat2inode(struct p9_stat *stat, struct inode *inode,
+v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
 	struct super_block *sb)
 {
-	int n;
 	char ext[32];
 	struct v9fs_session_info *v9ses = sb->s_fs_info;
 
@@ -842,11 +849,7 @@ v9fs_stat2inode(struct p9_stat *stat, struct inode *inode,
 		int major = -1;
 		int minor = -1;
 
-		n = stat->extension.len;
-		if (n > sizeof(ext)-1)
-			n = sizeof(ext)-1;
-		memmove(ext, stat->extension.str, n);
-		ext[n] = 0;
+		strncpy(ext, stat->extension, sizeof(ext));
 		sscanf(ext, "%c %u %u", &type, &major, &minor);
 		switch (type) {
 		case 'c':
@@ -857,8 +860,8 @@ v9fs_stat2inode(struct p9_stat *stat, struct inode *inode,
 			break;
 		default:
 			P9_DPRINTK(P9_DEBUG_ERROR,
-				"Unknown special type %c (%.*s)\n", type,
-				stat->extension.len, stat->extension.str);
+				"Unknown special type %c %s\n", type,
+				stat->extension);
 		};
 		inode->i_rdev = MKDEV(major, minor);
 	} else
@@ -904,7 +907,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
 
 	struct v9fs_session_info *v9ses;
 	struct p9_fid *fid;
-	struct p9_stat *st;
+	struct p9_wstat *st;
 
 	P9_DPRINTK(P9_DEBUG_VFS, " %s\n", dentry->d_name.name);
 	retval = -EPERM;
@@ -926,15 +929,10 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
 	}
 
 	/* copy extension buffer into buffer */
-	if (st->extension.len < buflen)
-		buflen = st->extension.len + 1;
-
-	memmove(buffer, st->extension.str, buflen - 1);
-	buffer[buflen-1] = 0;
+	strncpy(buffer, st->extension, buflen);
 
 	P9_DPRINTK(P9_DEBUG_VFS,
-		"%s -> %.*s (%s)\n", dentry->d_name.name, st->extension.len,
-		st->extension.str, buffer);
+		"%s -> %s (%s)\n", dentry->d_name.name, st->extension, buffer);
 
 	retval = buflen;
 
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index bf59c396049..d6cb1a0ca72 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -111,7 +111,7 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
 	struct inode *inode = NULL;
 	struct dentry *root = NULL;
 	struct v9fs_session_info *v9ses = NULL;
-	struct p9_stat *st = NULL;
+	struct p9_wstat *st = NULL;
 	int mode = S_IRWXUGO | S_ISVTX;
 	uid_t uid = current->fsuid;
 	gid_t gid = current->fsgid;
@@ -161,10 +161,14 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
 
 	sb->s_root = root;
 	root->d_inode->i_ino = v9fs_qid2ino(&st->qid);
+
 	v9fs_stat2inode(st, root->d_inode, sb);
+
 	v9fs_fid_add(root, fid);
+	p9stat_free(st);
 	kfree(st);
 
+P9_DPRINTK(P9_DEBUG_VFS, " return simple set mount\n");
 	return simple_set_mnt(mnt, sb);
 
 release_sb:
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 46d0b8f8e5e..56c15aee6e6 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -39,6 +39,7 @@
  * @P9_DEBUG_TRANS: transport tracing
  * @P9_DEBUG_SLABS: memory management tracing
  * @P9_DEBUG_FCALL: verbose dump of protocol messages
+ * @P9_DEBUG_FID: fid allocation/deallocation tracking
  *
  * These flags are passed at mount time to turn on various levels of
  * verbosity and tracing which will be output to the system logs.
@@ -53,13 +54,17 @@ enum p9_debug_flags {
 	P9_DEBUG_TRANS =	(1<<6),
 	P9_DEBUG_SLABS =      	(1<<7),
 	P9_DEBUG_FCALL =	(1<<8),
+	P9_DEBUG_FID =		(1<<9),
 };
 
 extern unsigned int p9_debug_level;
 
 #define P9_DPRINTK(level, format, arg...) \
 do {  \
-	if ((p9_debug_level & level) == level) \
+	if (level == P9_DEBUG_9P) \
+		printk(KERN_NOTICE "(%8.8d) " \
+		format , task_pid_nr(current) , ## arg); \
+	else if ((p9_debug_level & level) == level) \
 		printk(KERN_NOTICE "-- %s (%d): " \
 		format , __func__, task_pid_nr(current) , ## arg); \
 } while (0)
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 475ef5cf164..1e49b4d1030 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -77,6 +77,7 @@ enum p9_req_status_t {
  * struct p9_req_t - request slots
  * @status: status of this request slot
  * @t_err: transport error
+ * @flush_tag: tag of request being flushed (for flush requests)
  * @wq: wait_queue for the client to block on for this request
  * @tc: the request fcall structure
  * @rc: the response fcall structure
@@ -97,10 +98,10 @@ enum p9_req_status_t {
 struct p9_req_t {
 	int status;
 	int t_err;
+	u16 flush_tag;
 	wait_queue_head_t *wq;
 	struct p9_fcall *tc;
 	struct p9_fcall *rc;
-	u16 flush_tag;
 	void *aux;
 
 	struct list_head req_list;
@@ -199,10 +200,12 @@ int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
 							u64 offset, u32 count);
 int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 							u64 offset, u32 count);
-struct p9_stat *p9_client_stat(struct p9_fid *fid);
+struct p9_wstat *p9_client_stat(struct p9_fid *fid);
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
 
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
 void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
 
+void p9stat_free(struct p9_wstat *);
+
 #endif /* NET_9P_CLIENT_H */
diff --git a/net/9p/client.c b/net/9p/client.c
index 6004fded668..2a166bfb95a 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -35,6 +35,7 @@
 #include <linux/parser.h>
 #include <net/9p/client.h>
 #include <net/9p/transport.h>
+#include "protocol.h"
 
 /*
   * Client Option Parsing (code inspired by NFS code)
@@ -55,8 +56,8 @@ static const match_table_t tokens = {
 	{Opt_err, NULL},
 };
 
-static int
-p9_client_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc);
+static struct p9_req_t *
+p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...);
 
 /**
  * v9fs_parse_options - parse mount options into session structure
@@ -138,10 +139,11 @@ static int parse_opts(char *opts, struct p9_client *clnt)
  *
  */
 
-struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
+static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
 {
 	unsigned long flags;
 	int row, col;
+	struct p9_req_t *req;
 
 	/* This looks up the original request by tag so we know which
 	 * buffer to read the data into */
@@ -157,19 +159,11 @@ struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
 
 			if (!c->reqs[row]) {
 				printk(KERN_ERR "Couldn't grow tag array\n");
-				BUG();
+				return ERR_PTR(-ENOMEM);
 			}
 			for (col = 0; col < P9_ROW_MAXTAG; col++) {
 				c->reqs[row][col].status = REQ_STATUS_IDLE;
-				c->reqs[row][col].flush_tag = P9_NOTAG;
-				c->reqs[row][col].wq = kmalloc(
-					sizeof(wait_queue_head_t), GFP_ATOMIC);
-				if (!c->reqs[row][col].wq) {
-					printk(KERN_ERR
-						"Couldn't grow tag array\n");
-					BUG();
-				}
-				init_waitqueue_head(c->reqs[row][col].wq);
+				c->reqs[row][col].tc = NULL;
 			}
 			c->max_tag += P9_ROW_MAXTAG;
 		}
@@ -178,12 +172,39 @@ struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
 	row = tag / P9_ROW_MAXTAG;
 	col = tag % P9_ROW_MAXTAG;
 
-	c->reqs[row][col].status = REQ_STATUS_ALLOC;
-	c->reqs[row][col].flush_tag = P9_NOTAG;
+	req = &c->reqs[row][col];
+	if (!req->tc) {
+		req->wq = kmalloc(sizeof(wait_queue_head_t), GFP_KERNEL);
+		if (!req->wq) {
+			printk(KERN_ERR "Couldn't grow tag array\n");
+			return ERR_PTR(-ENOMEM);
+		}
+		init_waitqueue_head(req->wq);
+		req->tc = kmalloc(sizeof(struct p9_fcall)+c->msize,
+								GFP_KERNEL);
+		req->rc = kmalloc(sizeof(struct p9_fcall)+c->msize,
+								GFP_KERNEL);
+		if ((!req->tc) || (!req->rc)) {
+			printk(KERN_ERR "Couldn't grow tag array\n");
+			kfree(req->tc);
+			kfree(req->rc);
+			return ERR_PTR(-ENOMEM);
+		}
+		req->tc->sdata = (char *) req->tc + sizeof(struct p9_fcall);
+		req->tc->capacity = c->msize;
+		req->rc->sdata = (char *) req->rc + sizeof(struct p9_fcall);
+		req->rc->capacity = c->msize;
+	}
+
+	p9pdu_reset(req->tc);
+	p9pdu_reset(req->rc);
+
+	req->flush_tag = 0;
+	req->tc->tag = tag-1;
+	req->status = REQ_STATUS_ALLOC;
 
 	return &c->reqs[row][col];
 }
-EXPORT_SYMBOL(p9_tag_alloc);
 
 /**
  * p9_tag_lookup - lookup a request by tag
@@ -264,43 +285,16 @@ static void p9_tag_cleanup(struct p9_client *c)
 
 	/* free requests associated with tags */
 	for (row = 0; row < (c->max_tag/P9_ROW_MAXTAG); row++) {
-		for (col = 0; col < P9_ROW_MAXTAG; col++)
+		for (col = 0; col < P9_ROW_MAXTAG; col++) {
 			kfree(c->reqs[row][col].wq);
+			kfree(c->reqs[row][col].tc);
+			kfree(c->reqs[row][col].rc);
+		}
 		kfree(c->reqs[row]);
 	}
 	c->max_tag = 0;
 }
 
-/**
- * p9_client_flush - flush (cancel) a request
- * c: client state
- * req: request to cancel
- *
- * This sents a flush for a particular requests and links
- * the flush request to the original request.  The current
- * code only supports a single flush request although the protocol
- * allows for multiple flush requests to be sent for a single request.
- *
- */
-
-static int p9_client_flush(struct p9_client *c, struct p9_req_t *req)
-{
-	struct p9_fcall *tc, *rc = NULL;
-	int err;
-
-	P9_DPRINTK(P9_DEBUG_9P, "client %p tag %d\n", c, req->tc->tag);
-
-	tc = p9_create_tflush(req->tc->tag);
-	if (IS_ERR(tc))
-		return PTR_ERR(tc);
-
-	err = p9_client_rpc(c, tc, &rc);
-
-	/* we don't free anything here because RPC isn't complete */
-
-	return err;
-}
-
 /**
  * p9_free_req - free a request and clean-up as necessary
  * c: client state
@@ -308,15 +302,17 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *req)
  *
  */
 
-void p9_free_req(struct p9_client *c, struct p9_req_t *r)
+static void p9_free_req(struct p9_client *c, struct p9_req_t *r)
 {
-	r->flush_tag = P9_NOTAG;
+	int tag = r->tc->tag;
+	P9_DPRINTK(P9_DEBUG_MUX, "clnt %p req %p tag: %d\n", c, r, tag);
+
 	r->status = REQ_STATUS_IDLE;
-	if (r->tc->tag != P9_NOTAG && p9_idpool_check(r->tc->tag, c->tagpool))
-		p9_idpool_put(r->tc->tag, c->tagpool);
+	if (tag != P9_NOTAG && p9_idpool_check(tag, c->tagpool))
+		p9_idpool_put(tag, c->tagpool);
 
 	/* if this was a flush request we have to free response fcall */
-	if (r->tc->id == P9_TFLUSH) {
+	if (r->rc->id == P9_RFLUSH) {
 		kfree(r->tc);
 		kfree(r->rc);
 	}
@@ -333,30 +329,28 @@ void p9_client_cb(struct p9_client *c, struct p9_req_t *req)
 	struct p9_req_t *other_req;
 	unsigned long flags;
 
-	P9_DPRINTK(P9_DEBUG_MUX, ": %d\n", req->tc->tag);
+	P9_DPRINTK(P9_DEBUG_MUX, " tag %d\n", req->tc->tag);
 
 	if (req->status == REQ_STATUS_ERROR)
 		wake_up(req->wq);
 
-	if (req->tc->id == P9_TFLUSH) { /* flush receive path */
-		P9_DPRINTK(P9_DEBUG_MUX, "flush: %d\n", req->tc->tag);
+	if (req->flush_tag) { 			/* flush receive path */
+		P9_DPRINTK(P9_DEBUG_9P, "<<< RFLUSH %d\n", req->tc->tag);
 		spin_lock_irqsave(&c->lock, flags);
-		other_req = p9_tag_lookup(c, req->tc->params.tflush.oldtag);
-		if (other_req->flush_tag != req->tc->tag) /* stale flush */
+		other_req = p9_tag_lookup(c, req->flush_tag);
+		if (other_req->status != REQ_STATUS_FLSH) /* stale flush */
 			spin_unlock_irqrestore(&c->lock, flags);
 		else {
-			BUG_ON(other_req->status != REQ_STATUS_FLSH);
 			other_req->status = REQ_STATUS_FLSHD;
 			spin_unlock_irqrestore(&c->lock, flags);
 			wake_up(other_req->wq);
 		}
 		p9_free_req(c, req);
 	} else { 				/* normal receive path */
-		P9_DPRINTK(P9_DEBUG_MUX, "normal: %d\n", req->tc->tag);
+		P9_DPRINTK(P9_DEBUG_MUX, "normal: tag %d\n", req->tc->tag);
 		spin_lock_irqsave(&c->lock, flags);
 		if (req->status != REQ_STATUS_FLSHD)
 			req->status = REQ_STATUS_RCVD;
-		req->flush_tag = P9_NOTAG;
 		spin_unlock_irqrestore(&c->lock, flags);
 		wake_up(req->wq);
 		P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag);
@@ -364,29 +358,165 @@ void p9_client_cb(struct p9_client *c, struct p9_req_t *req)
 }
 EXPORT_SYMBOL(p9_client_cb);
 
+/**
+ * p9_parse_header - parse header arguments out of a packet
+ * @pdu: packet to parse
+ * @size: size of packet
+ * @type: type of request
+ * @tag: tag of packet
+ * @rewind: set if we need to rewind offset afterwards
+ */
+
+int
+p9_parse_header(struct p9_fcall *pdu, int32_t *size, int8_t *type, int16_t *tag,
+								int rewind)
+{
+	int8_t r_type;
+	int16_t r_tag;
+	int32_t r_size;
+	int offset = pdu->offset;
+	int err;
+
+	pdu->offset = 0;
+	if (pdu->size == 0)
+		pdu->size = 7;
+
+	err = p9pdu_readf(pdu, 0, "dbw", &r_size, &r_type, &r_tag);
+	if (err)
+		goto rewind_and_exit;
+
+	pdu->size = r_size;
+	pdu->id = r_type;
+	pdu->tag = r_tag;
+
+	P9_DPRINTK(P9_DEBUG_MUX, "pdu: type: %d tag: %d size=%d offset=%d\n",
+				pdu->id, pdu->tag, pdu->size, pdu->offset);
+
+	if (type)
+		*type = r_type;
+	if (tag)
+		*tag = r_tag;
+	if (size)
+		*size = r_size;
+
+
+rewind_and_exit:
+	if (rewind)
+		pdu->offset = offset;
+	return err;
+}
+EXPORT_SYMBOL(p9_parse_header);
+
+/**
+ * p9_check_errors - check 9p packet for error return and process it
+ * @c: current client instance
+ * @req: request to parse and check for error conditions
+ *
+ * returns error code if one is discovered, otherwise returns 0
+ *
+ * this will have to be more complicated if we have multiple
+ * error packet types
+ */
+
+static int p9_check_errors(struct p9_client *c, struct p9_req_t *req)
+{
+	int8_t type;
+	int err;
+
+	err = p9_parse_header(req->rc, NULL, &type, NULL, 0);
+	if (err) {
+		P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse header %d\n", err);
+		return err;
+	}
+
+	if (type == P9_RERROR) {
+		int ecode;
+		char *ename;
+
+		err = p9pdu_readf(req->rc, c->dotu, "s?d", &ename, &ecode);
+		if (err) {
+			P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n",
+									err);
+			return err;
+		}
+
+		if (c->dotu)
+			err = -ecode;
+
+		if (!err) {
+			err = p9_errstr2errno(ename, strlen(ename));
+
+			/* string match failed */
+			if (!err)
+				err = -ESERVERFAULT;
+		}
+
+		P9_DPRINTK(P9_DEBUG_9P, "<<< RERROR (%d) %s\n", -ecode, ename);
+
+		kfree(ename);
+	} else
+		err = 0;
+
+	return err;
+}
+
+/**
+ * p9_client_flush - flush (cancel) a request
+ * c: client state
+ * req: request to cancel
+ *
+ * This sents a flush for a particular requests and links
+ * the flush request to the original request.  The current
+ * code only supports a single flush request although the protocol
+ * allows for multiple flush requests to be sent for a single request.
+ *
+ */
+
+static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq)
+{
+	struct p9_req_t *req;
+	int16_t oldtag;
+	int err;
+
+	err = p9_parse_header(oldreq->tc, NULL, NULL, &oldtag, 1);
+	if (err)
+		return err;
+
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TFLUSH tag %d\n", oldtag);
+
+	req = p9_client_rpc(c, P9_TFLUSH, "w", oldtag);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+
+	req->flush_tag = oldtag;
+
+	/* we don't free anything here because RPC isn't complete */
+	return 0;
+}
+
 /**
  * p9_client_rpc - issue a request and wait for a response
  * @c: client session
- * @tc: &p9_fcall request to transmit
- * @rc: &p9_fcall to put reponse into
+ * @type: type of request
+ * @fmt: protocol format string (see protocol.c)
  *
- * Returns 0 on success, error code on failure
+ * Returns request structure (which client must free using p9_free_req)
  */
 
-static int
-p9_client_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
+static struct p9_req_t *
+p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
 {
-	int tag, err, size;
-	char *rdata;
+	va_list ap;
+	int tag, err;
 	struct p9_req_t *req;
 	unsigned long flags;
 	int sigpending;
 	int flushed = 0;
 
-	P9_DPRINTK(P9_DEBUG_9P, "client %p tc %p rc %p\n", c, tc, rc);
+	P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type);
 
 	if (c->status != Connected)
-		return -EIO;
+		return ERR_PTR(-EIO);
 
 	if (signal_pending(current)) {
 		sigpending = 1;
@@ -395,50 +525,22 @@ p9_client_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
 		sigpending = 0;
 
 	tag = P9_NOTAG;
-	if (tc->id != P9_TVERSION) {
+	if (type != P9_TVERSION) {
 		tag = p9_idpool_get(c->tagpool);
 		if (tag < 0)
-			return -ENOMEM;
+			return ERR_PTR(-ENOMEM);
 	}
 
 	req = p9_tag_alloc(c, tag);
+	if (IS_ERR(req))
+		return req;
 
-	/* if this is a flush request, backlink flush request now to
-	 * avoid race conditions later. */
-	if (tc->id == P9_TFLUSH) {
-		struct p9_req_t *other_req =
-				p9_tag_lookup(c, tc->params.tflush.oldtag);
-		if (other_req->status == REQ_STATUS_FLSH)
-			other_req->flush_tag = tag;
-	}
-
-	p9_set_tag(tc, tag);
-
-	/*
-	 * if client passed in a pre-allocated response fcall struct
-	 * then we just use that, otherwise we allocate one.
-	 */
-
-	if (rc == NULL)
-		req->rc = NULL;
-	else
-		req->rc = *rc;
-	if (req->rc == NULL) {
-		req->rc = kmalloc(sizeof(struct p9_fcall) + c->msize,
-								GFP_KERNEL);
-		if (!req->rc) {
-			err = -ENOMEM;
-			p9_idpool_put(tag, c->tagpool);
-			p9_free_req(c, req);
-			goto reterr;
-		}
-		*rc = req->rc;
-	}
-
-	rdata = (char *)req->rc+sizeof(struct p9_fcall);
-
-	req->tc = tc;
-	P9_DPRINTK(P9_DEBUG_9P, "request: tc: %p rc: %p\n", req->tc, req->rc);
+	/* marshall the data */
+	p9pdu_prepare(req->tc, tag, type);
+	va_start(ap, fmt);
+	err = p9pdu_vwritef(req->tc, c->dotu, fmt, ap);
+	va_end(ap);
+	p9pdu_finalize(req->tc);
 
 	err = c->trans_mod->request(c, req);
 	if (err < 0) {
@@ -447,28 +549,28 @@ p9_client_rpc(struct p9_client *c, struct p9_fcall *tc, struct p9_fcall **rc)
 	}
 
 	/* if it was a flush we just transmitted, return our tag */
-	if (tc->id == P9_TFLUSH)
-		return 0;
+	if (type == P9_TFLUSH)
+		return req;
 again:
-	P9_DPRINTK(P9_DEBUG_9P, "wait %p tag: %d\n", req->wq, tag);
+	P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d\n", req->wq, tag);
 	err = wait_event_interruptible(*req->wq,
 						req->status >= REQ_STATUS_RCVD);
-	P9_DPRINTK(P9_DEBUG_9P, "wait %p tag: %d returned %d (flushed=%d)\n",
+	P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d returned %d (flushed=%d)\n",
 						req->wq, tag, err, flushed);
 
 	if (req->status == REQ_STATUS_ERROR) {
-		P9_DPRINTK(P9_DEBUG_9P, "req_status error %d\n", req->t_err);
+		P9_DPRINTK(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err);
 		err = req->t_err;
 	} else if (err == -ERESTARTSYS && flushed) {
-		P9_DPRINTK(P9_DEBUG_9P, "flushed - going again\n");
+		P9_DPRINTK(P9_DEBUG_MUX, "flushed - going again\n");
 		goto again;
 	} else if (req->status == REQ_STATUS_FLSHD) {
-		P9_DPRINTK(P9_DEBUG_9P, "flushed - erestartsys\n");
+		P9_DPRINTK(P9_DEBUG_MUX, "flushed - erestartsys\n");
 		err = -ERESTARTSYS;
 	}
 
 	if ((err == -ERESTARTSYS) && (c->status == Connected) && (!flushed)) {
-		P9_DPRINTK(P9_DEBUG_9P, "flushing\n");
+		P9_DPRINTK(P9_DEBUG_MUX, "flushing\n");
 		spin_lock_irqsave(&c->lock, flags);
 		if (req->status == REQ_STATUS_SENT)
 			req->status = REQ_STATUS_FLSH;
@@ -493,42 +595,17 @@ again:
 	if (err < 0)
 		goto reterr;
 
-	size = le32_to_cpu(*(__le32 *) rdata);
-
-	err = p9_deserialize_fcall(rdata, size, req->rc, c->dotu);
-	if (err < 0) {
-		P9_DPRINTK(P9_DEBUG_9P,
-			"9p debug: client rpc deserialize returned %d\n", err);
-		goto reterr;
+	err = p9_check_errors(c, req);
+	if (!err) {
+		P9_DPRINTK(P9_DEBUG_MUX, "exit: client %p op %d\n", c, type);
+		return req;
 	}
 
-	if (req->rc->id == P9_RERROR) {
-		int ecode = req->rc->params.rerror.errno;
-		struct p9_str *ename = &req->rc->params.rerror.error;
-
-		P9_DPRINTK(P9_DEBUG_MUX, "Rerror %.*s\n", ename->len,
-								ename->str);
-
-		if (c->dotu)
-			err = -ecode;
-
-		if (!err) {
-			err = p9_errstr2errno(ename->str, ename->len);
-
-			/* string match failed */
-			if (!err) {
-				PRINT_FCALL_ERROR("unknown error", req->rc);
-				err = -ESERVERFAULT;
-			}
-		}
-	} else
-		err = 0;
-
 reterr:
+	P9_DPRINTK(P9_DEBUG_MUX, "exit: client %p op %d error: %d\n", c, type,
+									err);
 	p9_free_req(c, req);
-
-	P9_DPRINTK(P9_DEBUG_9P, "returning %d\n", err);
-	return err;
+	return ERR_PTR(err);
 }
 
 static struct p9_fid *p9_fid_create(struct p9_client *clnt)
@@ -536,7 +613,7 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 	int err;
 	struct p9_fid *fid;
 
-	P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt);
+	P9_DPRINTK(P9_DEBUG_FID, "clnt %p\n", clnt);
 	fid = kmalloc(sizeof(struct p9_fid), GFP_KERNEL);
 	if (!fid)
 		return ERR_PTR(-ENOMEM);
@@ -569,7 +646,7 @@ static void p9_fid_destroy(struct p9_fid *fid)
 {
 	struct p9_client *clnt;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d\n", fid->fid);
+	P9_DPRINTK(P9_DEBUG_FID, "fid %d\n", fid->fid);
 	clnt = fid->clnt;
 	p9_idpool_put(fid->fid, clnt->fidpool);
 	spin_lock(&clnt->lock);
@@ -578,49 +655,46 @@ static void p9_fid_destroy(struct p9_fid *fid)
 	kfree(fid);
 }
 
-static int p9_client_version(struct p9_client *clnt)
+int p9_client_version(struct p9_client *c)
 {
 	int err = 0;
-	struct p9_fcall *tc, *rc;
-	struct p9_str *version;
+	struct p9_req_t *req;
+	char *version;
+	int msize;
 
-	P9_DPRINTK(P9_DEBUG_9P, "%p\n", clnt);
-	err = 0;
-	tc = NULL;
-	rc = NULL;
-
-	tc = p9_create_tversion(clnt->msize,
-					clnt->dotu ? "9P2000.u" : "9P2000");
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto error;
-	}
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TVERSION msize %d extended %d\n",
+							c->msize, c->dotu);
+	req = p9_client_rpc(c, P9_TVERSION, "ds", c->msize,
+				c->dotu ? "9P2000.u" : "9P2000");
+	if (IS_ERR(req))
+		return PTR_ERR(req);
 
-	err = p9_client_rpc(clnt, tc, &rc);
-	if (err)
+	err = p9pdu_readf(req->rc, c->dotu, "ds", &msize, &version);
+	if (err) {
+		P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err);
 		goto error;
+	}
 
-	version = &rc->params.rversion.version;
-	if (version->len == 8 && !memcmp(version->str, "9P2000.u", 8))
-		clnt->dotu = 1;
-	else if (version->len == 6 && !memcmp(version->str, "9P2000", 6))
-		clnt->dotu = 0;
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RVERSION msize %d %s\n", msize, version);
+	if (!memcmp(version, "9P2000.u", 8))
+		c->dotu = 1;
+	else if (!memcmp(version, "9P2000", 6))
+		c->dotu = 0;
 	else {
 		err = -EREMOTEIO;
 		goto error;
 	}
 
-	if (rc->params.rversion.msize < clnt->msize)
-		clnt->msize = rc->params.rversion.msize;
+	if (msize < c->msize)
+		c->msize = msize;
 
 error:
-	kfree(tc);
-	kfree(rc);
+	kfree(version);
+	p9_free_req(c, req);
 
 	return err;
 }
-EXPORT_SYMBOL(p9_client_auth);
+EXPORT_SYMBOL(p9_client_version);
 
 struct p9_client *p9_client_create(const char *dev_name, char *options)
 {
@@ -656,7 +730,7 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
 		goto error;
 	}
 
-	P9_DPRINTK(P9_DEBUG_9P, "clnt %p trans %p msize %d dotu %d\n",
+	P9_DPRINTK(P9_DEBUG_MUX, "clnt %p trans %p msize %d dotu %d\n",
 		clnt, clnt->trans_mod, clnt->msize, clnt->dotu);
 
 	err = clnt->trans_mod->create(clnt, dev_name, options);
@@ -682,7 +756,7 @@ void p9_client_destroy(struct p9_client *clnt)
 {
 	struct p9_fid *fid, *fidptr;
 
-	P9_DPRINTK(P9_DEBUG_9P, "clnt %p\n", clnt);
+	P9_DPRINTK(P9_DEBUG_MUX, "clnt %p\n", clnt);
 
 	if (clnt->trans_mod)
 		clnt->trans_mod->close(clnt);
@@ -712,14 +786,13 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
 	char *uname, u32 n_uname, char *aname)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
+	struct p9_req_t *req;
 	struct p9_fid *fid;
+	struct p9_qid qid;
 
-	P9_DPRINTK(P9_DEBUG_9P, "clnt %p afid %d uname %s aname %s\n",
-		clnt, afid?afid->fid:-1, uname, aname);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TATTACH afid %d uname %s aname %s\n",
+					afid ? afid->fid : -1, uname, aname);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 
 	fid = p9_fid_create(clnt);
 	if (IS_ERR(fid)) {
@@ -728,73 +801,75 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
 		goto error;
 	}
 
-	tc = p9_create_tattach(fid->fid, afid?afid->fid:P9_NOFID, uname, aname,
-		n_uname, clnt->dotu);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
+	req = p9_client_rpc(clnt, P9_TATTACH, "ddss?d", fid->fid,
+			afid ? afid->fid : P9_NOFID, uname, aname, n_uname);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
 		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
-	if (err)
+	err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
+	if (err) {
+		p9_free_req(clnt, req);
 		goto error;
+	}
 
-	memmove(&fid->qid, &rc->params.rattach.qid, sizeof(struct p9_qid));
-	kfree(tc);
-	kfree(rc);
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RATTACH qid %x.%llx.%x\n",
+					qid.type, qid.path, qid.version);
+
+	memmove(&fid->qid, &qid, sizeof(struct p9_qid));
+
+	p9_free_req(clnt, req);
 	return fid;
 
 error:
-	kfree(tc);
-	kfree(rc);
 	if (fid)
 		p9_fid_destroy(fid);
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL(p9_client_attach);
 
-struct p9_fid *p9_client_auth(struct p9_client *clnt, char *uname,
-	u32 n_uname, char *aname)
+struct p9_fid *
+p9_client_auth(struct p9_client *clnt, char *uname, u32 n_uname, char *aname)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
-	struct p9_fid *fid;
+	struct p9_req_t *req;
+	struct p9_qid qid;
+	struct p9_fid *afid;
 
-	P9_DPRINTK(P9_DEBUG_9P, "clnt %p uname %s aname %s\n", clnt, uname,
-									aname);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TAUTH uname %s aname %s\n", uname, aname);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 
-	fid = p9_fid_create(clnt);
-	if (IS_ERR(fid)) {
-		err = PTR_ERR(fid);
-		fid = NULL;
+	afid = p9_fid_create(clnt);
+	if (IS_ERR(afid)) {
+		err = PTR_ERR(afid);
+		afid = NULL;
 		goto error;
 	}
 
-	tc = p9_create_tauth(fid->fid, uname, aname, n_uname, clnt->dotu);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
+	req = p9_client_rpc(clnt, P9_TAUTH, "dss?d",
+			afid ? afid->fid : P9_NOFID, uname, aname, n_uname);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
 		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
-	if (err)
+	err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
+	if (err) {
+		p9_free_req(clnt, req);
 		goto error;
+	}
 
-	memmove(&fid->qid, &rc->params.rauth.qid, sizeof(struct p9_qid));
-	kfree(tc);
-	kfree(rc);
-	return fid;
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RAUTH qid %x.%llx.%x\n",
+					qid.type, qid.path, qid.version);
+
+	memmove(&afid->qid, &qid, sizeof(struct p9_qid));
+	p9_free_req(clnt, req);
+	return afid;
 
 error:
-	kfree(tc);
-	kfree(rc);
-	if (fid)
-		p9_fid_destroy(fid);
+	if (afid)
+		p9_fid_destroy(afid);
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL(p9_client_auth);
@@ -803,15 +878,13 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
 	int clone)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
 	struct p9_client *clnt;
 	struct p9_fid *fid;
+	struct p9_qid *wqids;
+	struct p9_req_t *req;
+	int16_t nwqids, count;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d nwname %d wname[0] %s\n",
-		oldfid->fid, nwname, wnames?wnames[0]:NULL);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = oldfid->clnt;
 	if (clone) {
 		fid = p9_fid_create(clnt);
@@ -825,53 +898,46 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
 	} else
 		fid = oldfid;
 
-	tc = p9_create_twalk(oldfid->fid, fid->fid, nwname, wnames);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
+
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TWALK fids %d,%d nwname %d wname[0] %s\n",
+		oldfid->fid, fid->fid, nwname, wnames ? wnames[0] : NULL);
+
+	req = p9_client_rpc(clnt, P9_TWALK, "ddT", oldfid->fid, fid->fid,
+								nwname, wnames);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
 		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
-	if (err) {
-		if (rc && rc->id == P9_RWALK)
-			goto clunk_fid;
-		else
-			goto error;
-	}
+	err = p9pdu_readf(req->rc, clnt->dotu, "R", &nwqids, &wqids);
+	p9_free_req(clnt, req);
+	if (err)
+		goto clunk_fid;
 
-	if (rc->params.rwalk.nwqid != nwname) {
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RWALK nwqid %d:\n", nwqids);
+
+	if (nwqids != nwname) {
 		err = -ENOENT;
 		goto clunk_fid;
 	}
 
+	for (count = 0; count < nwqids; count++)
+		P9_DPRINTK(P9_DEBUG_9P, "<<<     [%d] %x.%llx.%x\n",
+			count, wqids[count].type, wqids[count].path,
+			wqids[count].version);
+
 	if (nwname)
-		memmove(&fid->qid,
-			&rc->params.rwalk.wqids[rc->params.rwalk.nwqid - 1],
-			sizeof(struct p9_qid));
+		memmove(&fid->qid, &wqids[nwqids - 1], sizeof(struct p9_qid));
 	else
 		fid->qid = oldfid->qid;
 
-	kfree(tc);
-	kfree(rc);
 	return fid;
 
 clunk_fid:
-	kfree(tc);
-	kfree(rc);
-	rc = NULL;
-	tc = p9_create_tclunk(fid->fid);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto error;
-	}
-
-	p9_client_rpc(clnt, tc, &rc);
+	p9_client_clunk(fid);
+	fid = NULL;
 
 error:
-	kfree(tc);
-	kfree(rc);
 	if (fid && (fid != oldfid))
 		p9_fid_destroy(fid);
 
@@ -882,35 +948,36 @@ EXPORT_SYMBOL(p9_client_walk);
 int p9_client_open(struct p9_fid *fid, int mode)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
 	struct p9_client *clnt;
+	struct p9_req_t *req;
+	struct p9_qid qid;
+	int iounit;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d mode %d\n", fid->fid, mode);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TOPEN fid %d mode %d\n", fid->fid, mode);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = fid->clnt;
 
 	if (fid->mode != -1)
 		return -EINVAL;
 
-	tc = p9_create_topen(fid->fid, mode);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto done;
+	req = p9_client_rpc(clnt, P9_TOPEN, "db", fid->fid, mode);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
+	err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
+	p9_free_req(clnt, req);
 	if (err)
-		goto done;
+		goto error;
+
+	P9_DPRINTK(P9_DEBUG_9P, "<<< ROPEN qid %x.%llx.%x iounit %x\n",
+				qid.type, qid.path, qid.version, iounit);
 
 	fid->mode = mode;
-	fid->iounit = rc->params.ropen.iounit;
+	fid->iounit = iounit;
 
-done:
-	kfree(tc);
-	kfree(rc);
+error:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_open);
@@ -919,37 +986,38 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
 		     char *extension)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
 	struct p9_client *clnt;
+	struct p9_req_t *req;
+	struct p9_qid qid;
+	int iounit;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d name %s perm %d mode %d\n", fid->fid,
-		name, perm, mode);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TCREATE fid %d name %s perm %d mode %d\n",
+						fid->fid, name, perm, mode);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = fid->clnt;
 
 	if (fid->mode != -1)
 		return -EINVAL;
 
-	tc = p9_create_tcreate(fid->fid, name, perm, mode, extension,
-							       clnt->dotu);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto done;
+	req = p9_client_rpc(clnt, P9_TCREATE, "dsdb?s", fid->fid, name, perm,
+				mode, extension);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
+	err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
+	p9_free_req(clnt, req);
 	if (err)
-		goto done;
+		goto error;
+
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n",
+				qid.type, qid.path, qid.version, iounit);
 
 	fid->mode = mode;
-	fid->iounit = rc->params.ropen.iounit;
+	fid->iounit = iounit;
 
-done:
-	kfree(tc);
-	kfree(rc);
+error:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_fcreate);
@@ -957,31 +1025,25 @@ EXPORT_SYMBOL(p9_client_fcreate);
 int p9_client_clunk(struct p9_fid *fid)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
 	struct p9_client *clnt;
+	struct p9_req_t *req;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d\n", fid->fid);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TCLUNK fid %d\n", fid->fid);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = fid->clnt;
 
-	tc = p9_create_tclunk(fid->fid);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto done;
+	req = p9_client_rpc(clnt, P9_TCLUNK, "d", fid->fid);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
-	if (err)
-		goto done;
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RCLUNK fid %d\n", fid->fid);
 
+	p9_free_req(clnt, req);
 	p9_fid_destroy(fid);
 
-done:
-	kfree(tc);
-	kfree(rc);
+error:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_clunk);
@@ -989,31 +1051,25 @@ EXPORT_SYMBOL(p9_client_clunk);
 int p9_client_remove(struct p9_fid *fid)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
 	struct p9_client *clnt;
+	struct p9_req_t *req;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d\n", fid->fid);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TREMOVE fid %d\n", fid->fid);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = fid->clnt;
 
-	tc = p9_create_tremove(fid->fid);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto done;
+	req = p9_client_rpc(clnt, P9_TREMOVE, "d", fid->fid);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
-	if (err)
-		goto done;
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RREMOVE fid %d\n", fid->fid);
 
+	p9_free_req(clnt, req);
 	p9_fid_destroy(fid);
 
-done:
-	kfree(tc);
-	kfree(rc);
+error:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_remove);
@@ -1022,15 +1078,14 @@ int
 p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
 								u32 count)
 {
-	int err, n, rsize, total;
-	struct p9_fcall *tc, *rc;
+	int err, rsize, total;
 	struct p9_client *clnt;
+	struct p9_req_t *req;
+	char *dataptr;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu %d\n", fid->fid,
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TREAD fid %d offset %llu %d\n", fid->fid,
 					(long long unsigned) offset, count);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = fid->clnt;
 	total = 0;
 
@@ -1038,53 +1093,40 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
 	if (!rsize || rsize > clnt->msize-P9_IOHDRSZ)
 		rsize = clnt->msize - P9_IOHDRSZ;
 
-	do {
-		if (count < rsize)
-			rsize = count;
+	if (count < rsize)
+		rsize = count;
 
-		tc = p9_create_tread(fid->fid, offset, rsize);
-		if (IS_ERR(tc)) {
-			err = PTR_ERR(tc);
-			tc = NULL;
-			goto error;
-		}
+	req = p9_client_rpc(clnt, P9_TREAD, "dqd", fid->fid, offset, rsize);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
+	}
 
-		err = p9_client_rpc(clnt, tc, &rc);
-		if (err)
-			goto error;
+	err = p9pdu_readf(req->rc, clnt->dotu, "D", &count, &dataptr);
+	if (err)
+		goto free_and_error;
 
-		n = rc->params.rread.count;
-		if (n > count)
-			n = count;
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
 
-		if (data) {
-			memmove(data, rc->params.rread.data, n);
-			data += n;
-		}
+	if (data) {
+		memmove(data, dataptr, count);
+		data += count;
+	}
 
-		if (udata) {
-			err = copy_to_user(udata, rc->params.rread.data, n);
-			if (err) {
-				err = -EFAULT;
-				goto error;
-			}
-			udata += n;
+	if (udata) {
+		err = copy_to_user(udata, dataptr, count);
+		if (err) {
+			err = -EFAULT;
+			goto free_and_error;
 		}
+	}
 
-		count -= n;
-		offset += n;
-		total += n;
-		kfree(tc);
-		tc = NULL;
-		kfree(rc);
-		rc = NULL;
-	} while (count > 0 && n == rsize);
-
-	return total;
+	p9_free_req(clnt, req);
+	return count;
 
+free_and_error:
+	p9_free_req(clnt, req);
 error:
-	kfree(tc);
-	kfree(rc);
 	return err;
 }
 EXPORT_SYMBOL(p9_client_read);
@@ -1093,15 +1135,13 @@ int
 p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 							u64 offset, u32 count)
 {
-	int err, n, rsize, total;
-	struct p9_fcall *tc, *rc;
+	int err, rsize, total;
 	struct p9_client *clnt;
+	struct p9_req_t *req;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d offset %llu count %d\n", fid->fid,
-					(long long unsigned) offset, count);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TWRITE fid %d offset %llu count %d\n",
+				fid->fid, (long long unsigned) offset, count);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = fid->clnt;
 	total = 0;
 
@@ -1109,129 +1149,70 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 	if (!rsize || rsize > clnt->msize-P9_IOHDRSZ)
 		rsize = clnt->msize - P9_IOHDRSZ;
 
-	do {
-		if (count < rsize)
-			rsize = count;
-
-		if (data)
-			tc = p9_create_twrite(fid->fid, offset, rsize, data);
-		else
-			tc = p9_create_twrite_u(fid->fid, offset, rsize, udata);
-		if (IS_ERR(tc)) {
-			err = PTR_ERR(tc);
-			tc = NULL;
-			goto error;
-		}
-
-		err = p9_client_rpc(clnt, tc, &rc);
-		if (err)
-			goto error;
-
-		n = rc->params.rread.count;
-		count -= n;
-
-		if (data)
-			data += n;
-		else
-			udata += n;
+	if (count < rsize)
+		rsize = count;
+	if (data)
+		req = p9_client_rpc(clnt, P9_TWRITE, "dqD", fid->fid, offset,
+								rsize, data);
+	else
+		req = p9_client_rpc(clnt, P9_TWRITE, "dqU", fid->fid, offset,
+								rsize, udata);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
+	}
 
-		offset += n;
-		total += n;
-		kfree(tc);
-		tc = NULL;
-		kfree(rc);
-		rc = NULL;
-	} while (count > 0);
+	err = p9pdu_readf(req->rc, clnt->dotu, "d", &count);
+	if (err)
+		goto free_and_error;
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RWRITE count %d\n", count);
 
-	return total;
+	p9_free_req(clnt, req);
+	return count;
 
+free_and_error:
+	p9_free_req(clnt, req);
 error:
-	kfree(tc);
-	kfree(rc);
 	return err;
 }
 EXPORT_SYMBOL(p9_client_write);
 
-static struct p9_stat *p9_clone_stat(struct p9_stat *st, int dotu)
+struct p9_wstat *p9_client_stat(struct p9_fid *fid)
 {
-	int n;
-	char *p;
-	struct p9_stat *ret;
-
-	n = sizeof(struct p9_stat) + st->name.len + st->uid.len + st->gid.len +
-		st->muid.len;
+	int err;
+	struct p9_client *clnt;
+	struct p9_wstat *ret = kmalloc(sizeof(struct p9_wstat), GFP_KERNEL);
+	struct p9_req_t *req;
+	u16 ignored;
 
-	if (dotu)
-		n += st->extension.len;
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TSTAT fid %d\n", fid->fid);
 
-	ret = kmalloc(n, GFP_KERNEL);
 	if (!ret)
 		return ERR_PTR(-ENOMEM);
 
-	memmove(ret, st, sizeof(struct p9_stat));
-	p = ((char *) ret) + sizeof(struct p9_stat);
-	memmove(p, st->name.str, st->name.len);
-	ret->name.str = p;
-	p += st->name.len;
-	memmove(p, st->uid.str, st->uid.len);
-	ret->uid.str = p;
-	p += st->uid.len;
-	memmove(p, st->gid.str, st->gid.len);
-	ret->gid.str = p;
-	p += st->gid.len;
-	memmove(p, st->muid.str, st->muid.len);
-	ret->muid.str = p;
-	p += st->muid.len;
-
-	if (dotu) {
-		memmove(p, st->extension.str, st->extension.len);
-		ret->extension.str = p;
-		p += st->extension.len;
-	}
-
-	return ret;
-}
-
-struct p9_stat *p9_client_stat(struct p9_fid *fid)
-{
-	int err;
-	struct p9_fcall *tc, *rc;
-	struct p9_client *clnt;
-	struct p9_stat *ret;
-
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d\n", fid->fid);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
-	ret = NULL;
 	clnt = fid->clnt;
 
-	tc = p9_create_tstat(fid->fid);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
+	req = p9_client_rpc(clnt, P9_TSTAT, "d", fid->fid);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
 		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
+	err = p9pdu_readf(req->rc, clnt->dotu, "wS", &ignored, ret);
+	p9_free_req(clnt, req);
 	if (err)
 		goto error;
 
-	ret = p9_clone_stat(&rc->params.rstat.stat, clnt->dotu);
-	if (IS_ERR(ret)) {
-		err = PTR_ERR(ret);
-		ret = NULL;
-		goto error;
-	}
+	P9_DPRINTK(P9_DEBUG_9P,
+		"<<< RSTAT sz=%x type=%x dev=%x qid=%2.2x %4.4x %8.8llx"
+		" mode=%8.8x uid=%d gid=%d size=%lld %s\n",
+		ret->size, ret->type, ret->dev, ret->qid.type,
+		ret->qid.version, ret->qid.path, ret->mode,
+		ret->n_uid, ret->n_gid, ret->length, ret->name);
 
-	kfree(tc);
-	kfree(rc);
 	return ret;
-
 error:
-	kfree(tc);
-	kfree(rc);
-	kfree(ret);
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL(p9_client_stat);
@@ -1239,27 +1220,23 @@ EXPORT_SYMBOL(p9_client_stat);
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
 {
 	int err;
-	struct p9_fcall *tc, *rc;
+	struct p9_req_t *req;
 	struct p9_client *clnt;
 
-	P9_DPRINTK(P9_DEBUG_9P, "fid %d\n", fid->fid);
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid);
 	err = 0;
-	tc = NULL;
-	rc = NULL;
 	clnt = fid->clnt;
 
-	tc = p9_create_twstat(fid->fid, wst, clnt->dotu);
-	if (IS_ERR(tc)) {
-		err = PTR_ERR(tc);
-		tc = NULL;
-		goto done;
+	req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, 0, wst);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto error;
 	}
 
-	err = p9_client_rpc(clnt, tc, &rc);
+	P9_DPRINTK(P9_DEBUG_9P, "<<< RWSTAT fid %d\n", fid->fid);
 
-done:
-	kfree(tc);
-	kfree(rc);
+	p9_free_req(clnt, req);
+error:
 	return err;
 }
 EXPORT_SYMBOL(p9_client_wstat);
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 43e98220e9a..4ebeffd21d3 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -27,6 +27,7 @@
 
 #include <linux/module.h>
 #include <linux/errno.h>
+#include <linux/uaccess.h>
 #include <net/9p/9p.h>
 #include <net/9p/client.h>
 #include "protocol.h"
@@ -51,6 +52,38 @@
 static int
 p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...);
 
+#define PACKET_DEBUG 0
+
+void
+p9pdu_dump(int way, struct p9_fcall *pdu)
+{
+	int i, n;
+	u8 *data = pdu->sdata;
+	int datalen = pdu->size;
+	char buf[255];
+	int buflen = 255;
+
+	i = n = 0;
+	if (datalen > (buflen-16))
+		datalen = buflen-16;
+	while (i < datalen) {
+		n += scnprintf(buf + n, buflen - n, "%02x ", data[i]);
+		if (i%4 == 3)
+			n += scnprintf(buf + n, buflen - n, " ");
+		if (i%32 == 31)
+			n += scnprintf(buf + n, buflen - n, "\n");
+
+		i++;
+	}
+	n += scnprintf(buf + n, buflen - n, "\n");
+
+	if (way)
+		printk(KERN_NOTICE "[[(%d)[ %s\n", datalen, buf);
+	else
+		printk(KERN_NOTICE "]](%d)] %s\n", datalen, buf);
+}
+EXPORT_SYMBOL(p9pdu_dump);
+
 void p9stat_free(struct p9_wstat *stbuf)
 {
 	kfree(stbuf->name);
@@ -77,6 +110,18 @@ static size_t pdu_write(struct p9_fcall *pdu, const void *data, size_t size)
 	return size - len;
 }
 
+static size_t
+pdu_write_u(struct p9_fcall *pdu, const char __user *udata, size_t size)
+{
+	size_t len = MIN(pdu->capacity - pdu->size, size);
+	int err = copy_from_user(&pdu->sdata[pdu->size], udata, len);
+	if (err)
+		printk(KERN_WARNING "pdu_write_u returning: %d\n", err);
+
+	pdu->size += len;
+	return size - len;
+}
+
 /*
 	b - int8_t
 	w - int16_t
@@ -174,7 +219,6 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				stbuf->extension = NULL;
 				stbuf->n_uid = stbuf->n_gid = stbuf->n_muid =
 				    -1;
-
 				errcode =
 				    p9pdu_readf(pdu, optional,
 						"wwdQdddqssss?sddd",
@@ -332,7 +376,6 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 		case 's':{
 				const char *ptr = va_arg(ap, const char *);
 				int16_t len = 0;
-
 				if (ptr)
 					len = MIN(strlen(ptr), USHORT_MAX);
 
@@ -356,7 +399,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				    p9pdu_writef(pdu, optional,
 						 "wwdQdddqssss?sddd",
 						 stbuf->size, stbuf->type,
-						 stbuf->dev, stbuf->qid,
+						 stbuf->dev, &stbuf->qid,
 						 stbuf->mode, stbuf->atime,
 						 stbuf->mtime, stbuf->length,
 						 stbuf->name, stbuf->uid,
@@ -374,6 +417,16 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 					errcode = -EFAULT;
 			}
 			break;
+		case 'U':{
+				int32_t count = va_arg(ap, int32_t);
+				const char __user *udata =
+						va_arg(ap, const void *);
+				errcode =
+				    p9pdu_writef(pdu, optional, "d", count);
+				if (!errcode && pdu_write_u(pdu, udata, count))
+					errcode = -EFAULT;
+			}
+			break;
 		case 'T':{
 				int16_t nwname = va_arg(ap, int);
 				const char **wnames = va_arg(ap, const char **);
@@ -455,3 +508,29 @@ p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...)
 
 	return ret;
 }
+
+int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type)
+{
+	return p9pdu_writef(pdu, 0, "dbw", 0, type, tag);
+}
+
+int p9pdu_finalize(struct p9_fcall *pdu)
+{
+	int size = pdu->size;
+	int err;
+
+	pdu->size = 0;
+	err = p9pdu_writef(pdu, 0, "d", size);
+	pdu->size = size;
+
+	if (PACKET_DEBUG)
+		p9pdu_dump(0, pdu);
+
+	return err;
+}
+
+void p9pdu_reset(struct p9_fcall *pdu)
+{
+	pdu->offset = 0;
+	pdu->size = 0;
+}
diff --git a/net/9p/protocol.h b/net/9p/protocol.h
index 596ee10d506..ccde462e7ac 100644
--- a/net/9p/protocol.h
+++ b/net/9p/protocol.h
@@ -27,5 +27,8 @@
 
 int
 p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap);
-
 int p9pdu_readf(struct p9_fcall *pdu, int optional, const char *fmt, ...);
+int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type);
+int p9pdu_finalize(struct p9_fcall *pdu);
+void p9pdu_dump(int, struct p9_fcall *);
+void p9pdu_reset(struct p9_fcall *pdu);
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index e147ec53958..e8ebe2cb7e8 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -181,7 +181,7 @@ static void p9_mux_poll_stop(struct p9_conn *m)
  *
  */
 
-void p9_conn_cancel(struct p9_conn *m, int err)
+static void p9_conn_cancel(struct p9_conn *m, int err)
 {
 	struct p9_req_t *req, *rtmp;
 	unsigned long flags;
@@ -287,7 +287,7 @@ static void p9_read_work(struct work_struct *work)
 	if (m->err < 0)
 		return;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "start mux %p pos %d\n", m, m->rpos);
+	P9_DPRINTK(P9_DEBUG_TRANS, "start mux %p pos %d\n", m, m->rpos);
 
 	if (!m->rbuf) {
 		m->rbuf = m->tmp_buf;
@@ -296,11 +296,11 @@ static void p9_read_work(struct work_struct *work)
 	}
 
 	clear_bit(Rpending, &m->wsched);
-	P9_DPRINTK(P9_DEBUG_MUX, "read mux %p pos %d size: %d = %d\n", m,
+	P9_DPRINTK(P9_DEBUG_TRANS, "read mux %p pos %d size: %d = %d\n", m,
 					m->rpos, m->rsize, m->rsize-m->rpos);
 	err = p9_fd_read(m->client, m->rbuf + m->rpos,
 						m->rsize - m->rpos);
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p got %d bytes\n", m, err);
+	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p got %d bytes\n", m, err);
 	if (err == -EAGAIN) {
 		clear_bit(Rworksched, &m->wsched);
 		return;
@@ -313,7 +313,7 @@ static void p9_read_work(struct work_struct *work)
 
 	if ((!m->req) && (m->rpos == m->rsize)) { /* header read in */
 		u16 tag;
-		P9_DPRINTK(P9_DEBUG_MUX, "got new header\n");
+		P9_DPRINTK(P9_DEBUG_TRANS, "got new header\n");
 
 		n = le32_to_cpu(*(__le32 *) m->rbuf); /* read packet size */
 		if (n >= m->client->msize) {
@@ -324,8 +324,8 @@ static void p9_read_work(struct work_struct *work)
 		}
 
 		tag = le16_to_cpu(*(__le16 *) (m->rbuf+5)); /* read tag */
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p pkt: size: %d bytes tag: %d\n",
-								 m, n, tag);
+		P9_DPRINTK(P9_DEBUG_TRANS,
+			"mux %p pkt: size: %d bytes tag: %d\n", m, n, tag);
 
 		m->req = p9_tag_lookup(m->client, tag);
 		if (!m->req) {
@@ -351,7 +351,7 @@ static void p9_read_work(struct work_struct *work)
 
 	/* not an else because some packets (like clunk) have no payload */
 	if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */
-		P9_DPRINTK(P9_DEBUG_MUX, "got new packet\n");
+		P9_DPRINTK(P9_DEBUG_TRANS, "got new packet\n");
 
 		list_del(&m->req->req_list);
 		p9_client_cb(m->client, m->req);
@@ -369,7 +369,7 @@ static void p9_read_work(struct work_struct *work)
 			n = p9_fd_poll(m->client, NULL);
 
 		if (n & POLLIN) {
-			P9_DPRINTK(P9_DEBUG_MUX, "schedule read work %p\n", m);
+			P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m);
 			queue_work(p9_mux_wq, &m->rq);
 		} else
 			clear_bit(Rworksched, &m->wsched);
@@ -453,11 +453,11 @@ static void p9_write_work(struct work_struct *work)
 		spin_unlock(&m->client->lock);
 	}
 
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p pos %d size %d\n", m, m->wpos,
+	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p pos %d size %d\n", m, m->wpos,
 								m->wsize);
 	clear_bit(Wpending, &m->wsched);
 	err = p9_fd_write(m->client, m->wbuf + m->wpos, m->wsize - m->wpos);
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p sent %d bytes\n", m, err);
+	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p sent %d bytes\n", m, err);
 	if (err == -EAGAIN) {
 		clear_bit(Wworksched, &m->wsched);
 		return;
@@ -481,7 +481,7 @@ static void p9_write_work(struct work_struct *work)
 			n = p9_fd_poll(m->client, NULL);
 
 		if (n & POLLOUT) {
-			P9_DPRINTK(P9_DEBUG_MUX, "schedule write work %p\n", m);
+			P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m);
 			queue_work(p9_mux_wq, &m->wq);
 		} else
 			clear_bit(Wworksched, &m->wsched);
@@ -558,7 +558,8 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
 	int n;
 	struct p9_conn *m;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "client %p msize %d\n", client, client->msize);
+	P9_DPRINTK(P9_DEBUG_TRANS, "client %p msize %d\n", client,
+								client->msize);
 	m = kzalloc(sizeof(struct p9_conn), GFP_KERNEL);
 	if (!m)
 		return ERR_PTR(-ENOMEM);
@@ -575,12 +576,12 @@ static struct p9_conn *p9_conn_create(struct p9_client *client)
 
 	n = p9_fd_poll(client, &m->pt);
 	if (n & POLLIN) {
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can read\n", m);
+		P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can read\n", m);
 		set_bit(Rpending, &m->wsched);
 	}
 
 	if (n & POLLOUT) {
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can write\n", m);
+		P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can write\n", m);
 		set_bit(Wpending, &m->wsched);
 	}
 
@@ -602,7 +603,7 @@ static void p9_poll_mux(struct p9_conn *m)
 
 	n = p9_fd_poll(m->client, NULL);
 	if (n < 0 || n & (POLLERR | POLLHUP | POLLNVAL)) {
-		P9_DPRINTK(P9_DEBUG_MUX, "error mux %p err %d\n", m, n);
+		P9_DPRINTK(P9_DEBUG_TRANS, "error mux %p err %d\n", m, n);
 		if (n >= 0)
 			n = -ECONNRESET;
 		p9_conn_cancel(m, n);
@@ -610,19 +611,19 @@ static void p9_poll_mux(struct p9_conn *m)
 
 	if (n & POLLIN) {
 		set_bit(Rpending, &m->wsched);
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can read\n", m);
+		P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can read\n", m);
 		if (!test_and_set_bit(Rworksched, &m->wsched)) {
-			P9_DPRINTK(P9_DEBUG_MUX, "schedule read work %p\n", m);
+			P9_DPRINTK(P9_DEBUG_TRANS, "sched read work %p\n", m);
 			queue_work(p9_mux_wq, &m->rq);
 		}
 	}
 
 	if (n & POLLOUT) {
 		set_bit(Wpending, &m->wsched);
-		P9_DPRINTK(P9_DEBUG_MUX, "mux %p can write\n", m);
+		P9_DPRINTK(P9_DEBUG_TRANS, "mux %p can write\n", m);
 		if ((m->wsize || !list_empty(&m->unsent_req_list))
 		    && !test_and_set_bit(Wworksched, &m->wsched)) {
-			P9_DPRINTK(P9_DEBUG_MUX, "schedule write work %p\n", m);
+			P9_DPRINTK(P9_DEBUG_TRANS, "sched write work %p\n", m);
 			queue_work(p9_mux_wq, &m->wq);
 		}
 	}
@@ -645,8 +646,8 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req)
 	struct p9_trans_fd *ts = client->trans;
 	struct p9_conn *m = ts->conn;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p task %p tcall %p id %d\n", m, current,
-		req->tc, req->tc->id);
+	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p task %p tcall %p id %d\n", m,
+						current, req->tc, req->tc->id);
 	if (m->err < 0)
 		return m->err;
 
@@ -672,19 +673,12 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
 	struct p9_trans_fd *ts = client->trans;
 	struct p9_conn *m = ts->conn;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p req %p\n", m, req);
+	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p req %p\n", m, req);
 
 	spin_lock(&client->lock);
 	list_del(&req->req_list);
 	spin_unlock(&client->lock);
 
-	/* if a response was received for a request, do nothing */
-	if (req->rc || req->t_err) {
-		P9_DPRINTK(P9_DEBUG_MUX,
-			"mux %p req %p response already received\n", m, req);
-		return 0;
-	}
-
 	if (req->status == REQ_STATUS_UNSENT) {
 		req->status = REQ_STATUS_FLSHD;
 		return 0;
@@ -809,7 +803,7 @@ static int p9_socket_open(struct p9_client *client, struct socket *csocket)
 
 static void p9_conn_destroy(struct p9_conn *m)
 {
-	P9_DPRINTK(P9_DEBUG_MUX, "mux %p prev %p next %p\n", m,
+	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p prev %p next %p\n", m,
 		m->mux_list.prev, m->mux_list.next);
 
 	p9_mux_poll_stop(m);
@@ -1060,7 +1054,7 @@ static int p9_poll_proc(void *a)
 {
 	unsigned long flags;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "start %p\n", current);
+	P9_DPRINTK(P9_DEBUG_TRANS, "start %p\n", current);
  repeat:
 	spin_lock_irqsave(&p9_poll_lock, flags);
 	while (!list_empty(&p9_poll_pending_list)) {
@@ -1078,7 +1072,7 @@ static int p9_poll_proc(void *a)
 
 	set_current_state(TASK_INTERRUPTIBLE);
 	if (list_empty(&p9_poll_pending_list)) {
-		P9_DPRINTK(P9_DEBUG_MUX, "sleeping...\n");
+		P9_DPRINTK(P9_DEBUG_TRANS, "sleeping...\n");
 		schedule();
 	}
 	__set_current_state(TASK_RUNNING);
@@ -1086,7 +1080,7 @@ static int p9_poll_proc(void *a)
 	if (!kthread_should_stop())
 		goto repeat;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "finish\n");
+	P9_DPRINTK(P9_DEBUG_TRANS, "finish\n");
 	return 0;
 }
 
diff --git a/net/9p/util.c b/net/9p/util.c
index 958fc58cd1f..dc4ec05ad93 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -105,6 +105,7 @@ retry:
 	else if (error)
 		return -1;
 
+	P9_DPRINTK(P9_DEBUG_MUX, " id %d pool %p\n", i, p);
 	return i;
 }
 EXPORT_SYMBOL(p9_idpool_get);
@@ -121,6 +122,9 @@ EXPORT_SYMBOL(p9_idpool_get);
 void p9_idpool_put(int id, struct p9_idpool *p)
 {
 	unsigned long flags;
+
+	P9_DPRINTK(P9_DEBUG_MUX, " id %d pool %p\n", id, p);
+
 	spin_lock_irqsave(&p->lock, flags);
 	idr_remove(&p->pool, id);
 	spin_unlock_irqrestore(&p->lock, flags);
-- 
GitLab


From 02da398b950c5d079c20afaa23f322383e96070a Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Thu, 16 Oct 2008 08:29:30 -0500
Subject: [PATCH 0926/2224] 9p: eliminate depricated conv functions

Remove depricated conv functions which have been replaced with new
protocol routines.

This patch also reworks the one instance of the file-system code which
directly calls conversion routines (to accomplish unpacking dirreads).

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_dir.c         |   20 +-
 include/net/9p/9p.h     |  107 +---
 include/net/9p/client.h |    2 +
 net/9p/Makefile         |    1 -
 net/9p/conv.c           | 1054 ---------------------------------------
 net/9p/protocol.c       |   13 +
 6 files changed, 37 insertions(+), 1160 deletions(-)
 delete mode 100644 net/9p/conv.c

diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 276aed62592..873cd31baa4 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -45,7 +45,7 @@
  *
  */
 
-static inline int dt_type(struct p9_stat *mistat)
+static inline int dt_type(struct p9_wstat *mistat)
 {
 	unsigned long perm = mistat->mode;
 	int rettype = DT_REG;
@@ -69,7 +69,7 @@ static inline int dt_type(struct p9_stat *mistat)
 static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	int over;
-	struct p9_stat st;
+	struct p9_wstat st;
 	int err;
 	struct p9_fid *fid;
 	int buflen;
@@ -92,20 +92,24 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
 
 		n = err;
 		while (i < n) {
-			err = p9_deserialize_stat(statbuf + i, buflen-i, &st,
+			err = p9stat_read(statbuf + i, buflen-i, &st,
 							fid->clnt->dotu);
-			if (!err) {
+			if (err) {
+				P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err);
 				err = -EIO;
+				p9stat_free(&st);
 				goto free_and_exit;
 			}
 
-			i += err;
-			fid->rdir_fpos += err;
+			i += st.size+2;
+			fid->rdir_fpos += st.size+2;
 
-			over = filldir(dirent, st.name.str, st.name.len,
+			over = filldir(dirent, st.name, strlen(st.name),
 			    filp->f_pos, v9fs_qid2ino(&st.qid), dt_type(&st));
 
-			filp->f_pos += st.size;
+			filp->f_pos += st.size+2;
+
+			p9stat_free(&st);
 
 			if (over) {
 				err = 0;
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 56c15aee6e6..cb5bc731e88 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -61,21 +61,18 @@ extern unsigned int p9_debug_level;
 
 #define P9_DPRINTK(level, format, arg...) \
 do {  \
-	if (level == P9_DEBUG_9P) \
-		printk(KERN_NOTICE "(%8.8d) " \
-		format , task_pid_nr(current) , ## arg); \
-	else if ((p9_debug_level & level) == level) \
-		printk(KERN_NOTICE "-- %s (%d): " \
-		format , __func__, task_pid_nr(current) , ## arg); \
+	if ((p9_debug_level & level) == level) {\
+		if (level == P9_DEBUG_9P) \
+			printk(KERN_NOTICE "(%8.8d) " \
+			format , task_pid_nr(current) , ## arg); \
+		else \
+			printk(KERN_NOTICE "-- %s (%d): " \
+			format , __func__, task_pid_nr(current) , ## arg); \
+	} \
 } while (0)
 
-#define PRINT_FCALL_ERROR(s, fcall) P9_DPRINTK(P9_DEBUG_ERROR,   \
-	"%s: %.*s\n", s, fcall?fcall->params.rerror.error.len:0, \
-	fcall?fcall->params.rerror.error.str:"");
-
 #else
 #define P9_DPRINTK(level, format, arg...)  do { } while (0)
-#define PRINT_FCALL_ERROR(s, fcall) do { } while (0)
 #endif
 
 #define P9_EPRINTK(level, format, arg...) \
@@ -330,33 +327,6 @@ struct p9_qid {
  * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
  */
 
-struct p9_stat {
-	u16 size;
-	u16 type;
-	u32 dev;
-	struct p9_qid qid;
-	u32 mode;
-	u32 atime;
-	u32 mtime;
-	u64 length;
-	struct p9_str name;
-	struct p9_str uid;
-	struct p9_str gid;
-	struct p9_str muid;
-	struct p9_str extension;	/* 9p2000.u extensions */
-	u32 n_uid;			/* 9p2000.u extensions */
-	u32 n_gid;			/* 9p2000.u extensions */
-	u32 n_muid;			/* 9p2000.u extensions */
-};
-
-/*
- * file metadata (stat) structure used to create Twstat message
- * The is identical to &p9_stat, but the strings don't point to
- * the same memory block and should be freed separately
- *
- * See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
- */
-
 struct p9_wstat {
 	u16 size;
 	u16 type;
@@ -498,12 +468,12 @@ struct p9_tstat {
 };
 
 struct p9_rstat {
-	struct p9_stat stat;
+	struct p9_wstat stat;
 };
 
 struct p9_twstat {
 	u32 fid;
-	struct p9_stat stat;
+	struct p9_wstat stat;
 };
 
 struct p9_rwstat {
@@ -517,7 +487,6 @@ struct p9_rwstat {
  * @offset: used by marshalling routines to track currentposition in buffer
  * @capacity: used by marshalling routines to track total capacity
  * @sdata: payload
- * @params: per-operation parameters
  *
  * &p9_fcall represents the structure for all 9P RPC
  * transactions.  Requests are packaged into fcalls, and reponses
@@ -535,66 +504,10 @@ struct p9_fcall {
 	size_t capacity;
 
 	uint8_t *sdata;
-
-	union {
-		struct p9_tversion tversion;
-		struct p9_rversion rversion;
-		struct p9_tauth tauth;
-		struct p9_rauth rauth;
-		struct p9_rerror rerror;
-		struct p9_tflush tflush;
-		struct p9_rflush rflush;
-		struct p9_tattach tattach;
-		struct p9_rattach rattach;
-		struct p9_twalk twalk;
-		struct p9_rwalk rwalk;
-		struct p9_topen topen;
-		struct p9_ropen ropen;
-		struct p9_tcreate tcreate;
-		struct p9_rcreate rcreate;
-		struct p9_tread tread;
-		struct p9_rread rread;
-		struct p9_twrite twrite;
-		struct p9_rwrite rwrite;
-		struct p9_tclunk tclunk;
-		struct p9_rclunk rclunk;
-		struct p9_tremove tremove;
-		struct p9_rremove rremove;
-		struct p9_tstat tstat;
-		struct p9_rstat rstat;
-		struct p9_twstat twstat;
-		struct p9_rwstat rwstat;
-	} params;
 };
 
 struct p9_idpool;
 
-int p9_deserialize_stat(void *buf, u32 buflen, struct p9_stat *stat,
-	int dotu);
-int p9_deserialize_fcall(void *buf, u32 buflen, struct p9_fcall *fc, int dotu);
-void p9_set_tag(struct p9_fcall *fc, u16 tag);
-struct p9_fcall *p9_create_tversion(u32 msize, char *version);
-struct p9_fcall *p9_create_tattach(u32 fid, u32 afid, char *uname,
-	char *aname, u32 n_uname, int dotu);
-struct p9_fcall *p9_create_tauth(u32 afid, char *uname, char *aname,
-	u32 n_uname, int dotu);
-struct p9_fcall *p9_create_tflush(u16 oldtag);
-struct p9_fcall *p9_create_twalk(u32 fid, u32 newfid, u16 nwname,
-	char **wnames);
-struct p9_fcall *p9_create_topen(u32 fid, u8 mode);
-struct p9_fcall *p9_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
-	char *extension, int dotu);
-struct p9_fcall *p9_create_tread(u32 fid, u64 offset, u32 count);
-struct p9_fcall *p9_create_twrite(u32 fid, u64 offset, u32 count,
-	const char *data);
-struct p9_fcall *p9_create_twrite_u(u32 fid, u64 offset, u32 count,
-	const char __user *data);
-struct p9_fcall *p9_create_tclunk(u32 fid);
-struct p9_fcall *p9_create_tremove(u32 fid);
-struct p9_fcall *p9_create_tstat(u32 fid);
-struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
-	int dotu);
-
 int p9_errstr2errno(char *errstr, int len);
 
 struct p9_idpool *p9_idpool_create(void);
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 1e49b4d1030..1f17f3d9372 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -206,6 +206,8 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
 void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
 
+int p9stat_read(char *, int, struct p9_wstat *, int);
 void p9stat_free(struct p9_wstat *);
 
+
 #endif /* NET_9P_CLIENT_H */
diff --git a/net/9p/Makefile b/net/9p/Makefile
index c3302d88b80..1041b7bd12e 100644
--- a/net/9p/Makefile
+++ b/net/9p/Makefile
@@ -4,7 +4,6 @@ obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
 9pnet-objs := \
 	mod.o \
 	client.o \
-	conv.o \
 	error.o \
 	util.o \
 	protocol.o \
diff --git a/net/9p/conv.c b/net/9p/conv.c
deleted file mode 100644
index 5ad3a3bd73b..00000000000
--- a/net/9p/conv.c
+++ /dev/null
@@ -1,1054 +0,0 @@
-/*
- * net/9p/conv.c
- *
- * 9P protocol conversion functions
- *
- *  Copyright (C) 2004, 2005 by Latchesar Ionkov <lucho@ionkov.net>
- *  Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
- *  Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2
- *  as published by the Free Software Foundation.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to:
- *  Free Software Foundation
- *  51 Franklin Street, Fifth Floor
- *  Boston, MA  02111-1301  USA
- *
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/sched.h>
-#include <linux/idr.h>
-#include <linux/uaccess.h>
-#include <net/9p/9p.h>
-
-/*
- * Buffer to help with string parsing
- */
-struct cbuf {
-	unsigned char *sp;
-	unsigned char *p;
-	unsigned char *ep;
-};
-
-static inline void buf_init(struct cbuf *buf, void *data, int datalen)
-{
-	buf->sp = buf->p = data;
-	buf->ep = data + datalen;
-}
-
-static inline int buf_check_overflow(struct cbuf *buf)
-{
-	return buf->p > buf->ep;
-}
-
-static int buf_check_size(struct cbuf *buf, int len)
-{
-	if (buf->p + len > buf->ep) {
-		if (buf->p < buf->ep) {
-			P9_EPRINTK(KERN_ERR,
-				"buffer overflow: want %d has %d\n", len,
-				(int)(buf->ep - buf->p));
-			dump_stack();
-			buf->p = buf->ep + 1;
-		}
-
-		return 0;
-	}
-
-	return 1;
-}
-
-static void *buf_alloc(struct cbuf *buf, int len)
-{
-	void *ret = NULL;
-
-	if (buf_check_size(buf, len)) {
-		ret = buf->p;
-		buf->p += len;
-	}
-
-	return ret;
-}
-
-static void buf_put_int8(struct cbuf *buf, u8 val)
-{
-	if (buf_check_size(buf, 1)) {
-		buf->p[0] = val;
-		buf->p++;
-	}
-}
-
-static void buf_put_int16(struct cbuf *buf, u16 val)
-{
-	if (buf_check_size(buf, 2)) {
-		*(__le16 *) buf->p = cpu_to_le16(val);
-		buf->p += 2;
-	}
-}
-
-static void buf_put_int32(struct cbuf *buf, u32 val)
-{
-	if (buf_check_size(buf, 4)) {
-		*(__le32 *)buf->p = cpu_to_le32(val);
-		buf->p += 4;
-	}
-}
-
-static void buf_put_int64(struct cbuf *buf, u64 val)
-{
-	if (buf_check_size(buf, 8)) {
-		*(__le64 *)buf->p = cpu_to_le64(val);
-		buf->p += 8;
-	}
-}
-
-static char *buf_put_stringn(struct cbuf *buf, const char *s, u16 slen)
-{
-	char *ret;
-
-	ret = NULL;
-	if (buf_check_size(buf, slen + 2)) {
-		buf_put_int16(buf, slen);
-		ret = buf->p;
-		memcpy(buf->p, s, slen);
-		buf->p += slen;
-	}
-
-	return ret;
-}
-
-static u8 buf_get_int8(struct cbuf *buf)
-{
-	u8 ret = 0;
-
-	if (buf_check_size(buf, 1)) {
-		ret = buf->p[0];
-		buf->p++;
-	}
-
-	return ret;
-}
-
-static u16 buf_get_int16(struct cbuf *buf)
-{
-	u16 ret = 0;
-
-	if (buf_check_size(buf, 2)) {
-		ret = le16_to_cpu(*(__le16 *)buf->p);
-		buf->p += 2;
-	}
-
-	return ret;
-}
-
-static u32 buf_get_int32(struct cbuf *buf)
-{
-	u32 ret = 0;
-
-	if (buf_check_size(buf, 4)) {
-		ret = le32_to_cpu(*(__le32 *)buf->p);
-		buf->p += 4;
-	}
-
-	return ret;
-}
-
-static u64 buf_get_int64(struct cbuf *buf)
-{
-	u64 ret = 0;
-
-	if (buf_check_size(buf, 8)) {
-		ret = le64_to_cpu(*(__le64 *)buf->p);
-		buf->p += 8;
-	}
-
-	return ret;
-}
-
-static void buf_get_str(struct cbuf *buf, struct p9_str *vstr)
-{
-	vstr->len = buf_get_int16(buf);
-	if (!buf_check_overflow(buf) && buf_check_size(buf, vstr->len)) {
-		vstr->str = buf->p;
-		buf->p += vstr->len;
-	} else {
-		vstr->len = 0;
-		vstr->str = NULL;
-	}
-}
-
-static void buf_get_qid(struct cbuf *bufp, struct p9_qid *qid)
-{
-	qid->type = buf_get_int8(bufp);
-	qid->version = buf_get_int32(bufp);
-	qid->path = buf_get_int64(bufp);
-}
-
-/**
- * p9_size_wstat - calculate the size of a variable length stat struct
- * @wstat: metadata (stat) structure
- * @dotu: non-zero if 9P2000.u
- *
- */
-
-static int p9_size_wstat(struct p9_wstat *wstat, int dotu)
-{
-	int size = 0;
-
-	if (wstat == NULL) {
-		P9_EPRINTK(KERN_ERR, "p9_size_stat: got a NULL stat pointer\n");
-		return 0;
-	}
-
-	size =			/* 2 + *//* size[2] */
-	    2 +			/* type[2] */
-	    4 +			/* dev[4] */
-	    1 +			/* qid.type[1] */
-	    4 +			/* qid.vers[4] */
-	    8 +			/* qid.path[8] */
-	    4 +			/* mode[4] */
-	    4 +			/* atime[4] */
-	    4 +			/* mtime[4] */
-	    8 +			/* length[8] */
-	    8;			/* minimum sum of string lengths */
-
-	if (wstat->name)
-		size += strlen(wstat->name);
-	if (wstat->uid)
-		size += strlen(wstat->uid);
-	if (wstat->gid)
-		size += strlen(wstat->gid);
-	if (wstat->muid)
-		size += strlen(wstat->muid);
-
-	if (dotu) {
-		size += 4 +	/* n_uid[4] */
-		    4 +		/* n_gid[4] */
-		    4 +		/* n_muid[4] */
-		    2;		/* string length of extension[4] */
-		if (wstat->extension)
-			size += strlen(wstat->extension);
-	}
-
-	return size;
-}
-
-/**
- * buf_get_stat - safely decode a recieved metadata (stat) structure
- * @bufp: buffer to deserialize
- * @stat: metadata (stat) structure
- * @dotu: non-zero if 9P2000.u
- *
- */
-
-static void
-buf_get_stat(struct cbuf *bufp, struct p9_stat *stat, int dotu)
-{
-	stat->size = buf_get_int16(bufp);
-	stat->type = buf_get_int16(bufp);
-	stat->dev = buf_get_int32(bufp);
-	stat->qid.type = buf_get_int8(bufp);
-	stat->qid.version = buf_get_int32(bufp);
-	stat->qid.path = buf_get_int64(bufp);
-	stat->mode = buf_get_int32(bufp);
-	stat->atime = buf_get_int32(bufp);
-	stat->mtime = buf_get_int32(bufp);
-	stat->length = buf_get_int64(bufp);
-	buf_get_str(bufp, &stat->name);
-	buf_get_str(bufp, &stat->uid);
-	buf_get_str(bufp, &stat->gid);
-	buf_get_str(bufp, &stat->muid);
-
-	if (dotu) {
-		buf_get_str(bufp, &stat->extension);
-		stat->n_uid = buf_get_int32(bufp);
-		stat->n_gid = buf_get_int32(bufp);
-		stat->n_muid = buf_get_int32(bufp);
-	}
-}
-
-/**
- * p9_deserialize_stat - decode a received metadata structure
- * @buf: buffer to deserialize
- * @buflen: length of received buffer
- * @stat: metadata structure to decode into
- * @dotu: non-zero if 9P2000.u
- *
- * Note: stat will point to the buf region.
- */
-
-int
-p9_deserialize_stat(void *buf, u32 buflen, struct p9_stat *stat,
-		int dotu)
-{
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-	unsigned char *p;
-
-	buf_init(bufp, buf, buflen);
-	p = bufp->p;
-	buf_get_stat(bufp, stat, dotu);
-
-	if (buf_check_overflow(bufp))
-		return 0;
-	else
-		return bufp->p - p;
-}
-EXPORT_SYMBOL(p9_deserialize_stat);
-
-/**
- * deserialize_fcall - unmarshal a response
- * @buf: recieved buffer
- * @buflen: length of received buffer
- * @rcall: fcall structure to populate
- * @rcalllen: length of fcall structure to populate
- * @dotu: non-zero if 9P2000.u
- *
- */
-
-int
-p9_deserialize_fcall(void *buf, u32 buflen, struct p9_fcall *rcall,
-		       int dotu)
-{
-
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-	int i = 0;
-
-	buf_init(bufp, buf, buflen);
-
-	rcall->size = buf_get_int32(bufp);
-	rcall->id = buf_get_int8(bufp);
-	rcall->tag = buf_get_int16(bufp);
-
-	P9_DPRINTK(P9_DEBUG_CONV, "size %d id %d tag %d\n", rcall->size,
-							rcall->id, rcall->tag);
-
-	switch (rcall->id) {
-	default:
-		P9_EPRINTK(KERN_ERR, "unknown message type: %d\n", rcall->id);
-		return -EPROTO;
-	case P9_RVERSION:
-		rcall->params.rversion.msize = buf_get_int32(bufp);
-		buf_get_str(bufp, &rcall->params.rversion.version);
-		break;
-	case P9_RFLUSH:
-		break;
-	case P9_RATTACH:
-		rcall->params.rattach.qid.type = buf_get_int8(bufp);
-		rcall->params.rattach.qid.version = buf_get_int32(bufp);
-		rcall->params.rattach.qid.path = buf_get_int64(bufp);
-		break;
-	case P9_RWALK:
-		rcall->params.rwalk.nwqid = buf_get_int16(bufp);
-		if (rcall->params.rwalk.nwqid > P9_MAXWELEM) {
-			P9_EPRINTK(KERN_ERR,
-					"Rwalk with more than %d qids: %d\n",
-					P9_MAXWELEM, rcall->params.rwalk.nwqid);
-			return -EPROTO;
-		}
-
-		for (i = 0; i < rcall->params.rwalk.nwqid; i++)
-			buf_get_qid(bufp, &rcall->params.rwalk.wqids[i]);
-		break;
-	case P9_ROPEN:
-		buf_get_qid(bufp, &rcall->params.ropen.qid);
-		rcall->params.ropen.iounit = buf_get_int32(bufp);
-		break;
-	case P9_RCREATE:
-		buf_get_qid(bufp, &rcall->params.rcreate.qid);
-		rcall->params.rcreate.iounit = buf_get_int32(bufp);
-		break;
-	case P9_RREAD:
-		rcall->params.rread.count = buf_get_int32(bufp);
-		rcall->params.rread.data = bufp->p;
-		buf_check_size(bufp, rcall->params.rread.count);
-		break;
-	case P9_RWRITE:
-		rcall->params.rwrite.count = buf_get_int32(bufp);
-		break;
-	case P9_RCLUNK:
-		break;
-	case P9_RREMOVE:
-		break;
-	case P9_RSTAT:
-		buf_get_int16(bufp);
-		buf_get_stat(bufp, &rcall->params.rstat.stat, dotu);
-		break;
-	case P9_RWSTAT:
-		break;
-	case P9_RERROR:
-		buf_get_str(bufp, &rcall->params.rerror.error);
-		if (dotu)
-			rcall->params.rerror.errno = buf_get_int16(bufp);
-		break;
-	}
-
-	if (buf_check_overflow(bufp)) {
-		P9_DPRINTK(P9_DEBUG_ERROR, "buffer overflow\n");
-		return -EIO;
-	}
-
-	return bufp->p - bufp->sp;
-}
-EXPORT_SYMBOL(p9_deserialize_fcall);
-
-static inline void p9_put_int8(struct cbuf *bufp, u8 val, u8 * p)
-{
-	*p = val;
-	buf_put_int8(bufp, val);
-}
-
-static inline void p9_put_int16(struct cbuf *bufp, u16 val, u16 * p)
-{
-	*p = val;
-	buf_put_int16(bufp, val);
-}
-
-static inline void p9_put_int32(struct cbuf *bufp, u32 val, u32 * p)
-{
-	*p = val;
-	buf_put_int32(bufp, val);
-}
-
-static inline void p9_put_int64(struct cbuf *bufp, u64 val, u64 * p)
-{
-	*p = val;
-	buf_put_int64(bufp, val);
-}
-
-static void
-p9_put_str(struct cbuf *bufp, char *data, struct p9_str *str)
-{
-	int len;
-	char *s;
-
-	if (data)
-		len = strlen(data);
-	else
-		len = 0;
-
-	s = buf_put_stringn(bufp, data, len);
-	if (str) {
-		str->len = len;
-		str->str = s;
-	}
-}
-
-static int
-p9_put_data(struct cbuf *bufp, const char *data, int count,
-		   unsigned char **pdata)
-{
-	*pdata = buf_alloc(bufp, count);
-	if (*pdata == NULL)
-		return -ENOMEM;
-	memmove(*pdata, data, count);
-	return 0;
-}
-
-static int
-p9_put_user_data(struct cbuf *bufp, const char __user *data, int count,
-		   unsigned char **pdata)
-{
-	*pdata = buf_alloc(bufp, count);
-	if (*pdata == NULL)
-		return -ENOMEM;
-	return copy_from_user(*pdata, data, count);
-}
-
-static void
-p9_put_wstat(struct cbuf *bufp, struct p9_wstat *wstat,
-	       struct p9_stat *stat, int statsz, int dotu)
-{
-	p9_put_int16(bufp, statsz, &stat->size);
-	p9_put_int16(bufp, wstat->type, &stat->type);
-	p9_put_int32(bufp, wstat->dev, &stat->dev);
-	p9_put_int8(bufp, wstat->qid.type, &stat->qid.type);
-	p9_put_int32(bufp, wstat->qid.version, &stat->qid.version);
-	p9_put_int64(bufp, wstat->qid.path, &stat->qid.path);
-	p9_put_int32(bufp, wstat->mode, &stat->mode);
-	p9_put_int32(bufp, wstat->atime, &stat->atime);
-	p9_put_int32(bufp, wstat->mtime, &stat->mtime);
-	p9_put_int64(bufp, wstat->length, &stat->length);
-
-	p9_put_str(bufp, wstat->name, &stat->name);
-	p9_put_str(bufp, wstat->uid, &stat->uid);
-	p9_put_str(bufp, wstat->gid, &stat->gid);
-	p9_put_str(bufp, wstat->muid, &stat->muid);
-
-	if (dotu) {
-		p9_put_str(bufp, wstat->extension, &stat->extension);
-		p9_put_int32(bufp, wstat->n_uid, &stat->n_uid);
-		p9_put_int32(bufp, wstat->n_gid, &stat->n_gid);
-		p9_put_int32(bufp, wstat->n_muid, &stat->n_muid);
-	}
-}
-
-static struct p9_fcall *
-p9_create_common(struct cbuf *bufp, u32 size, u8 id)
-{
-	struct p9_fcall *fc;
-
-	size += 4 + 1 + 2;	/* size[4] id[1] tag[2] */
-	fc = kmalloc(sizeof(struct p9_fcall) + size, GFP_KERNEL);
-	if (!fc)
-		return ERR_PTR(-ENOMEM);
-
-	fc->sdata = (char *)fc + sizeof(*fc);
-
-	buf_init(bufp, (char *)fc->sdata, size);
-	p9_put_int32(bufp, size, &fc->size);
-	p9_put_int8(bufp, id, &fc->id);
-	p9_put_int16(bufp, P9_NOTAG, &fc->tag);
-
-	return fc;
-}
-
-/**
- * p9_set_tag - set the tag field of an &p9_fcall structure
- * @fc: fcall structure to set tag within
- * @tag: tag id to set
- */
-
-void p9_set_tag(struct p9_fcall *fc, u16 tag)
-{
-	fc->tag = tag;
-	*(__le16 *) (fc->sdata + 5) = cpu_to_le16(tag);
-}
-EXPORT_SYMBOL(p9_set_tag);
-
-/**
- * p9_create_tversion - allocates and creates a T_VERSION request
- * @msize: requested maximum data size
- * @version: version string to negotiate
- *
- */
-struct p9_fcall *p9_create_tversion(u32 msize, char *version)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	size = 4 + 2 + strlen(version);	/* msize[4] version[s] */
-	fc = p9_create_common(bufp, size, P9_TVERSION);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, msize, &fc->params.tversion.msize);
-	p9_put_str(bufp, version, &fc->params.tversion.version);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tversion);
-
-/**
- * p9_create_tauth - allocates and creates a T_AUTH request
- * @afid: handle to use for authentication protocol
- * @uname: user name attempting to authenticate
- * @aname: mount specifier for remote server
- * @n_uname: numeric id for user attempting to authneticate
- * @dotu: 9P2000.u extension flag
- *
- */
-
-struct p9_fcall *p9_create_tauth(u32 afid, char *uname, char *aname,
-	u32 n_uname, int dotu)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	/* afid[4] uname[s] aname[s] */
-	size = 4 + 2 + 2;
-	if (uname)
-		size += strlen(uname);
-
-	if (aname)
-		size += strlen(aname);
-
-	if (dotu)
-		size += 4;	/* n_uname */
-
-	fc = p9_create_common(bufp, size, P9_TAUTH);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, afid, &fc->params.tauth.afid);
-	p9_put_str(bufp, uname, &fc->params.tauth.uname);
-	p9_put_str(bufp, aname, &fc->params.tauth.aname);
-	if (dotu)
-		p9_put_int32(bufp, n_uname, &fc->params.tauth.n_uname);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tauth);
-
-/**
- * p9_create_tattach - allocates and creates a T_ATTACH request
- * @fid: handle to use for the new mount point
- * @afid: handle to use for authentication protocol
- * @uname: user name attempting to attach
- * @aname: mount specifier for remote server
- * @n_uname: numeric id for user attempting to attach
- * @n_uname: numeric id for user attempting to attach
- * @dotu: 9P2000.u extension flag
- *
- */
-
-struct p9_fcall *
-p9_create_tattach(u32 fid, u32 afid, char *uname, char *aname,
-	u32 n_uname, int dotu)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	/* fid[4] afid[4] uname[s] aname[s] */
-	size = 4 + 4 + 2 + 2;
-	if (uname)
-		size += strlen(uname);
-
-	if (aname)
-		size += strlen(aname);
-
-	if (dotu)
-		size += 4;	/* n_uname */
-
-	fc = p9_create_common(bufp, size, P9_TATTACH);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.tattach.fid);
-	p9_put_int32(bufp, afid, &fc->params.tattach.afid);
-	p9_put_str(bufp, uname, &fc->params.tattach.uname);
-	p9_put_str(bufp, aname, &fc->params.tattach.aname);
-	if (dotu)
-		p9_put_int32(bufp, n_uname, &fc->params.tattach.n_uname);
-
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tattach);
-
-/**
- * p9_create_tflush - allocates and creates a T_FLUSH request
- * @oldtag: tag id for the transaction we are attempting to cancel
- *
- */
-
-struct p9_fcall *p9_create_tflush(u16 oldtag)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	size = 2;		/* oldtag[2] */
-	fc = p9_create_common(bufp, size, P9_TFLUSH);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int16(bufp, oldtag, &fc->params.tflush.oldtag);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tflush);
-
-/**
- * p9_create_twalk - allocates and creates a T_FLUSH request
- * @fid: handle we are traversing from
- * @newfid: a new handle for this transaction
- * @nwname: number of path elements to traverse
- * @wnames: array of path elements
- *
- */
-
-struct p9_fcall *p9_create_twalk(u32 fid, u32 newfid, u16 nwname,
-				     char **wnames)
-{
-	int i, size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	if (nwname > P9_MAXWELEM) {
-		P9_DPRINTK(P9_DEBUG_ERROR, "nwname > %d\n", P9_MAXWELEM);
-		return NULL;
-	}
-
-	size = 4 + 4 + 2;	/* fid[4] newfid[4] nwname[2] ... */
-	for (i = 0; i < nwname; i++) {
-		size += 2 + strlen(wnames[i]);	/* wname[s] */
-	}
-
-	fc = p9_create_common(bufp, size, P9_TWALK);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.twalk.fid);
-	p9_put_int32(bufp, newfid, &fc->params.twalk.newfid);
-	p9_put_int16(bufp, nwname, &fc->params.twalk.nwname);
-	for (i = 0; i < nwname; i++) {
-		p9_put_str(bufp, wnames[i], &fc->params.twalk.wnames[i]);
-	}
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_twalk);
-
-/**
- * p9_create_topen - allocates and creates a T_OPEN request
- * @fid: handle we are trying to open
- * @mode: what mode we are trying to open the file in
- *
- */
-
-struct p9_fcall *p9_create_topen(u32 fid, u8 mode)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	size = 4 + 1;		/* fid[4] mode[1] */
-	fc = p9_create_common(bufp, size, P9_TOPEN);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.topen.fid);
-	p9_put_int8(bufp, mode, &fc->params.topen.mode);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_topen);
-
-/**
- * p9_create_tcreate - allocates and creates a T_CREATE request
- * @fid: handle of directory we are trying to create in
- * @name: name of the file we are trying to create
- * @perm: permissions for the file we are trying to create
- * @mode: what mode we are trying to open the file in
- * @extension: 9p2000.u extension string (for special files)
- * @dotu: 9p2000.u enabled flag
- *
- * Note: Plan 9 create semantics include opening the resulting file
- * which is why mode is included.
- */
-
-struct p9_fcall *p9_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
-	char *extension, int dotu)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	/* fid[4] name[s] perm[4] mode[1] */
-	size = 4 + 2 + strlen(name) + 4 + 1;
-	if (dotu) {
-		size += 2 +			/* extension[s] */
-		    (extension == NULL ? 0 : strlen(extension));
-	}
-
-	fc = p9_create_common(bufp, size, P9_TCREATE);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.tcreate.fid);
-	p9_put_str(bufp, name, &fc->params.tcreate.name);
-	p9_put_int32(bufp, perm, &fc->params.tcreate.perm);
-	p9_put_int8(bufp, mode, &fc->params.tcreate.mode);
-	if (dotu)
-		p9_put_str(bufp, extension, &fc->params.tcreate.extension);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tcreate);
-
-/**
- * p9_create_tread - allocates and creates a T_READ request
- * @fid: handle of the file we are trying to read
- * @offset: offset to start reading from
- * @count: how many bytes to read
- */
-
-struct p9_fcall *p9_create_tread(u32 fid, u64 offset, u32 count)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	size = 4 + 8 + 4;	/* fid[4] offset[8] count[4] */
-	fc = p9_create_common(bufp, size, P9_TREAD);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.tread.fid);
-	p9_put_int64(bufp, offset, &fc->params.tread.offset);
-	p9_put_int32(bufp, count, &fc->params.tread.count);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tread);
-
-/**
- * p9_create_twrite - allocates and creates a T_WRITE request from the kernel
- * @fid: handle of the file we are trying to write
- * @offset: offset to start writing at
- * @count: how many bytes to write
- * @data: data to write
- *
- * This function will create a requst with data buffers from the kernel
- * such as the page cache.
- */
-
-struct p9_fcall *p9_create_twrite(u32 fid, u64 offset, u32 count,
-				      const char *data)
-{
-	int size, err;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	/* fid[4] offset[8] count[4] data[count] */
-	size = 4 + 8 + 4 + count;
-	fc = p9_create_common(bufp, size, P9_TWRITE);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.twrite.fid);
-	p9_put_int64(bufp, offset, &fc->params.twrite.offset);
-	p9_put_int32(bufp, count, &fc->params.twrite.count);
-	err = p9_put_data(bufp, data, count, &fc->params.twrite.data);
-	if (err) {
-		kfree(fc);
-		fc = ERR_PTR(err);
-		goto error;
-	}
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_twrite);
-
-/**
- * p9_create_twrite_u - allocates and creates a T_WRITE request from userspace
- * @fid: handle of the file we are trying to write
- * @offset: offset to start writing at
- * @count: how many bytes to write
- * @data: data to write
- *
- * This function will create a request with data buffers from userspace
- */
-
-struct p9_fcall *p9_create_twrite_u(u32 fid, u64 offset, u32 count,
-				      const char __user *data)
-{
-	int size, err;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	/* fid[4] offset[8] count[4] data[count] */
-	size = 4 + 8 + 4 + count;
-	fc = p9_create_common(bufp, size, P9_TWRITE);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.twrite.fid);
-	p9_put_int64(bufp, offset, &fc->params.twrite.offset);
-	p9_put_int32(bufp, count, &fc->params.twrite.count);
-	err = p9_put_user_data(bufp, data, count, &fc->params.twrite.data);
-	if (err) {
-		kfree(fc);
-		fc = ERR_PTR(err);
-		goto error;
-	}
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_twrite_u);
-
-/**
- * p9_create_tclunk - allocate a request to forget about a file handle
- * @fid: handle of the file we closing or forgetting about
- *
- * clunk is used both to close open files and to discard transient handles
- * which may be created during meta-data operations and hierarchy traversal.
- */
-
-struct p9_fcall *p9_create_tclunk(u32 fid)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	size = 4;		/* fid[4] */
-	fc = p9_create_common(bufp, size, P9_TCLUNK);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.tclunk.fid);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tclunk);
-
-/**
- * p9_create_tremove - allocate and create a request to remove a file
- * @fid: handle of the file or directory we are removing
- *
- */
-
-struct p9_fcall *p9_create_tremove(u32 fid)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	size = 4;		/* fid[4] */
-	fc = p9_create_common(bufp, size, P9_TREMOVE);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.tremove.fid);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tremove);
-
-/**
- * p9_create_tstat - allocate and populate a request for attributes
- * @fid: handle of the file or directory we are trying to get the attributes of
- *
- */
-
-struct p9_fcall *p9_create_tstat(u32 fid)
-{
-	int size;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	size = 4;		/* fid[4] */
-	fc = p9_create_common(bufp, size, P9_TSTAT);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.tstat.fid);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_tstat);
-
-/**
- * p9_create_tstat - allocate and populate a request to change attributes
- * @fid: handle of the file or directory we are trying to change
- * @wstat: &p9_stat structure with attributes we wish to set
- * @dotu: 9p2000.u enabled flag
- *
- */
-
-struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
-				      int dotu)
-{
-	int size, statsz;
-	struct p9_fcall *fc;
-	struct cbuf buffer;
-	struct cbuf *bufp = &buffer;
-
-	statsz = p9_size_wstat(wstat, dotu);
-	size = 4 + 2 + 2 + statsz;	/* fid[4] stat[n] */
-	fc = p9_create_common(bufp, size, P9_TWSTAT);
-	if (IS_ERR(fc))
-		goto error;
-
-	p9_put_int32(bufp, fid, &fc->params.twstat.fid);
-	buf_put_int16(bufp, statsz + 2);
-	p9_put_wstat(bufp, wstat, &fc->params.twstat.stat, statsz, dotu);
-
-	if (buf_check_overflow(bufp)) {
-		kfree(fc);
-		fc = ERR_PTR(-ENOMEM);
-	}
-error:
-	return fc;
-}
-EXPORT_SYMBOL(p9_create_twstat);
-
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 4ebeffd21d3..92cb60bb191 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -509,6 +509,19 @@ p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...)
 	return ret;
 }
 
+int p9stat_read(char *buf, int len, struct p9_wstat *st, int dotu)
+{
+	struct p9_fcall fake_pdu;
+
+	fake_pdu.size = len;
+	fake_pdu.capacity = len;
+	fake_pdu.sdata = buf;
+	fake_pdu.offset = 0;
+
+	return p9pdu_readf(&fake_pdu, dotu, "S", st);
+}
+EXPORT_SYMBOL(p9stat_read);
+
 int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type)
 {
 	return p9pdu_writef(pdu, 0, "dbw", 0, type, tag);
-- 
GitLab


From 0a70c7f67a24b45e105ad10ac1d7e73fe50ec765 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:09 +0200
Subject: [PATCH 0927/2224] ide-disk: fix IDE_DFLAG_LBA48 handling on resume

Some code in idedisk_setup() should be in idedisk_capacity() instead.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-disk.c | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 3853bde8eed..93ff15e6a9c 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -403,6 +403,26 @@ static void init_idedisk_capacity(ide_drive_t *drive)
 		if (ata_id_hpa_enabled(id))
 			idedisk_check_hpa(drive);
 	}
+
+	/* limit drive capacity to 137GB if LBA48 cannot be used */
+	if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 &&
+	    drive->capacity64 > 1ULL << 28) {
+		printk(KERN_WARNING "%s: cannot use LBA48 - full capacity "
+		       "%llu sectors (%llu MB)\n",
+		       drive->name, (unsigned long long)drive->capacity64,
+		       sectors_to_MB(drive->capacity64));
+		drive->capacity64 = 1ULL << 28;
+	}
+
+	if ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
+	    (drive->dev_flags & IDE_DFLAG_LBA48)) {
+		if (drive->capacity64 > 1ULL << 28) {
+			printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
+					 " will be used for accessing sectors "
+					 "> %u\n", drive->name, 1 << 28);
+		} else
+			drive->dev_flags &= ~IDE_DFLAG_LBA48;
+	}
 }
 
 sector_t ide_disk_capacity(ide_drive_t *drive)
@@ -654,26 +674,6 @@ static void idedisk_setup(ide_drive_t *drive)
 	/* calculate drive capacity, and select LBA if possible */
 	init_idedisk_capacity(drive);
 
-	/* limit drive capacity to 137GB if LBA48 cannot be used */
-	if ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 &&
-	    drive->capacity64 > 1ULL << 28) {
-		printk(KERN_WARNING "%s: cannot use LBA48 - full capacity "
-		       "%llu sectors (%llu MB)\n",
-		       drive->name, (unsigned long long)drive->capacity64,
-		       sectors_to_MB(drive->capacity64));
-		drive->capacity64 = 1ULL << 28;
-	}
-
-	if ((hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
-	    (drive->dev_flags & IDE_DFLAG_LBA48)) {
-		if (drive->capacity64 > 1ULL << 28) {
-			printk(KERN_INFO "%s: cannot use LBA48 DMA - PIO mode"
-					 " will be used for accessing sectors "
-					 "> %u\n", drive->name, 1 << 28);
-		} else
-			drive->dev_flags &= ~IDE_DFLAG_LBA48;
-	}
-
 	/*
 	 * if possible, give fdisk access to more of the drive,
 	 * by correcting bios_cyls:
-- 
GitLab


From 099ed4c2f5d54a5e1e490250805fb9727d622c0c Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:09 +0200
Subject: [PATCH 0928/2224] ide-disk: lock media before checking for media
 change

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-disk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 93ff15e6a9c..2c48bd81f53 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -842,7 +842,6 @@ static int idedisk_open(struct inode *inode, struct file *filp)
 	idkp->openers++;
 
 	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
-		check_disk_change(inode->i_bdev);
 		/*
 		 * Ignore the return code from door_lock,
 		 * since the open() has already succeeded,
@@ -851,6 +850,7 @@ static int idedisk_open(struct inode *inode, struct file *filp)
 		if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
 		    idedisk_set_doorlock(drive, 1))
 			drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
+		check_disk_change(inode->i_bdev);
 	}
 	return 0;
 }
-- 
GitLab


From 9c3ba7692bc1166c6a5d06fb7c59984f9f988a00 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:09 +0200
Subject: [PATCH 0929/2224] ide-floppy: use alloc_disk_node()

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-floppy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index cf0aa25470e..73458e46bf1 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -788,7 +788,7 @@ static int ide_floppy_probe(ide_drive_t *drive)
 		goto failed;
 	}
 
-	g = alloc_disk(1 << PARTN_BITS);
+	g = alloc_disk_node(1 << PARTN_BITS, hwif_to_node(drive->hwif));
 	if (!g)
 		goto out_free_floppy;
 
-- 
GitLab


From d7e747596829c1c11833ca0a1f5e64f400d20bf2 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:09 +0200
Subject: [PATCH 0930/2224] ide-disk: use to_ide_drv() and ide_drv_g()

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-disk.c       | 14 ++++++--------
 drivers/ide/ide-disk.h       |  3 ---
 drivers/ide/ide-disk_ioctl.c |  2 +-
 3 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 2c48bd81f53..6c9c898aff6 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -49,8 +49,6 @@
 
 static DEFINE_MUTEX(idedisk_ref_mutex);
 
-#define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref)
-
 static void ide_disk_release(struct kref *);
 
 static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
@@ -58,7 +56,7 @@ static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
 	struct ide_disk_obj *idkp = NULL;
 
 	mutex_lock(&idedisk_ref_mutex);
-	idkp = ide_disk_g(disk);
+	idkp = ide_drv_g(disk, ide_disk_obj);
 	if (idkp) {
 		if (ide_device_get(idkp->drive))
 			idkp = NULL;
@@ -746,7 +744,7 @@ static void ide_disk_remove(ide_drive_t *drive)
 
 static void ide_disk_release(struct kref *kref)
 {
-	struct ide_disk_obj *idkp = to_ide_disk(kref);
+	struct ide_disk_obj *idkp = to_ide_drv(kref, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 	struct gendisk *g = idkp->disk;
 
@@ -858,7 +856,7 @@ static int idedisk_open(struct inode *inode, struct file *filp)
 static int idedisk_release(struct inode *inode, struct file *filp)
 {
 	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_disk_obj *idkp = ide_disk_g(disk);
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 
 	if (idkp->openers == 1)
@@ -879,7 +877,7 @@ static int idedisk_release(struct inode *inode, struct file *filp)
 
 static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 {
-	struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
+	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 
 	geo->heads = drive->bios_head;
@@ -890,7 +888,7 @@ static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 
 static int idedisk_media_changed(struct gendisk *disk)
 {
-	struct ide_disk_obj *idkp = ide_disk_g(disk);
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 
 	/* do not scan partitions twice if this is a removable device */
@@ -905,7 +903,7 @@ static int idedisk_media_changed(struct gendisk *disk)
 
 static int idedisk_revalidate_disk(struct gendisk *disk)
 {
-	struct ide_disk_obj *idkp = ide_disk_g(disk);
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
 	set_capacity(disk, ide_disk_capacity(idkp->drive));
 	return 0;
 }
diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h
index a82fa435566..50d674b91c8 100644
--- a/drivers/ide/ide-disk.h
+++ b/drivers/ide/ide-disk.h
@@ -9,9 +9,6 @@ struct ide_disk_obj {
 	unsigned int	openers;	/* protected by BKL for now */
 };
 
-#define ide_disk_g(disk) \
-	container_of((disk)->private_data, struct ide_disk_obj, driver)
-
 /* ide-disk.c */
 sector_t ide_disk_capacity(ide_drive_t *);
 ide_decl_devset(address);
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index a6cf1a03a80..e6624eda9e6 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -17,7 +17,7 @@ int ide_disk_ioctl(struct inode *inode, struct file *file,
 		   unsigned int cmd, unsigned long arg)
 {
 	struct block_device *bdev = inode->i_bdev;
-	struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
+	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 	int err;
 
-- 
GitLab


From 81ee1bb51fff76aaa738668b92406b5117f125ed Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:10 +0200
Subject: [PATCH 0931/2224] ide-disk: move IDE_DFLAG_DOORLOCKING flag handling
 to idedisk_set_doorlock()

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-disk.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 6c9c898aff6..289a533afbd 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -817,12 +817,21 @@ static ide_driver_t idedisk_driver = {
 static int idedisk_set_doorlock(ide_drive_t *drive, int on)
 {
 	ide_task_t task;
+	int ret;
+
+	if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
+		return 0;
 
 	memset(&task, 0, sizeof(task));
 	task.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
 	task.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
 
-	return ide_no_data_taskfile(drive, &task);
+	ret = ide_no_data_taskfile(drive, &task);
+
+	if (ret)
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
+
+	return ret;
 }
 
 static int idedisk_open(struct inode *inode, struct file *filp)
@@ -845,9 +854,7 @@ static int idedisk_open(struct inode *inode, struct file *filp)
 		 * since the open() has already succeeded,
 		 * and the door_lock is irrelevant at this point.
 		 */
-		if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
-		    idedisk_set_doorlock(drive, 1))
-			drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
+		idedisk_set_doorlock(drive, 1);
 		check_disk_change(inode->i_bdev);
 	}
 	return 0;
@@ -862,11 +869,8 @@ static int idedisk_release(struct inode *inode, struct file *filp)
 	if (idkp->openers == 1)
 		ide_cacheflush_p(drive);
 
-	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
-		if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) &&
-		    idedisk_set_doorlock(drive, 0))
-			drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
-	}
+	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1)
+		idedisk_set_doorlock(drive, 0);
 
 	idkp->openers--;
 
-- 
GitLab


From ae9f9f073963c56dcc4601ed9a0921eda1e8fa9d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:10 +0200
Subject: [PATCH 0932/2224] ide-{disk,floppy}: set IDE_DFLAG_ATTACH in
 *_setup()

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-disk.c   | 18 ++++++++++--------
 drivers/ide/ide-floppy.c |  3 ++-
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 289a533afbd..70b75f23a70 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -716,6 +716,14 @@ static void idedisk_setup(ide_drive_t *drive)
 		drive->dev_flags |= IDE_DFLAG_WCACHE;
 
 	set_wcache(drive, 1);
+
+	if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 &&
+	    (drive->head == 0 || drive->head > 16)) {
+		printk(KERN_ERR "%s: invalid geometry: %d physical heads?\n",
+			drive->name, drive->head);
+		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
+	} else
+		drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
 
 static void ide_cacheflush_p(ide_drive_t *drive)
@@ -957,20 +965,14 @@ static int ide_disk_probe(ide_drive_t *drive)
 	drive->driver_data = idkp;
 
 	idedisk_setup(drive);
-	if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 &&
-	    (drive->head == 0 || drive->head > 16)) {
-		printk(KERN_ERR "%s: INVALID GEOMETRY: %d PHYSICAL HEADS?\n",
-			drive->name, drive->head);
-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
-	} else
-		drive->dev_flags |= IDE_DFLAG_ATTACH;
+
+	set_capacity(g, ide_disk_capacity(drive));
 
 	g->minors = IDE_DISK_MINORS;
 	g->driverfs_dev = &drive->gendev;
 	g->flags |= GENHD_FL_EXT_DEVT;
 	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
 		g->flags = GENHD_FL_REMOVABLE;
-	set_capacity(g, ide_disk_capacity(drive));
 	g->fops = &idedisk_ops;
 	add_disk(g);
 	return 0;
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 73458e46bf1..bcbd980f7a4 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -598,6 +598,8 @@ static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
 	(void) ide_floppy_get_capacity(drive);
 
 	ide_proc_register_driver(drive, floppy->driver);
+
+	drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
 
 static void ide_floppy_remove(ide_drive_t *drive)
@@ -807,7 +809,6 @@ static int ide_floppy_probe(ide_drive_t *drive)
 	drive->debug_mask = debug_mask;
 
 	idefloppy_setup(drive, floppy);
-	drive->dev_flags |= IDE_DFLAG_ATTACH;
 
 	g->minors = 1 << PARTN_BITS;
 	g->driverfs_dev = &drive->gendev;
-- 
GitLab


From 8f29cd9f12e97d46e601f59810ea6aadd938945d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:10 +0200
Subject: [PATCH 0933/2224] ide-floppy: drop 'floppy' argument from
 idefloppy_setup()

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-floppy.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index bcbd980f7a4..4a3d7e08b65 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -560,8 +560,9 @@ sector_t ide_floppy_capacity(ide_drive_t *drive)
 	return capacity;
 }
 
-static void idefloppy_setup(ide_drive_t *drive, idefloppy_floppy_t *floppy)
+static void idefloppy_setup(ide_drive_t *drive)
 {
+	struct ide_floppy_obj *floppy = drive->driver_data;
 	u16 *id = drive->id;
 
 	drive->pc_callback	 = ide_floppy_callback;
@@ -808,7 +809,7 @@ static int ide_floppy_probe(ide_drive_t *drive)
 
 	drive->debug_mask = debug_mask;
 
-	idefloppy_setup(drive, floppy);
+	idefloppy_setup(drive);
 
 	g->minors = 1 << PARTN_BITS;
 	g->driverfs_dev = &drive->gendev;
-- 
GitLab


From 6f84083bbb7d206c8555e5834a2c9b887452fd54 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:10 +0200
Subject: [PATCH 0934/2224] ide-floppy: use drive->capacity64 for caching
 current capacity

* Use drive->capacity64 for caching current capacity.

* Switch ide_floppy_capacity() to use drive->capacity64.

* Call set_capacity() in idefloppy_open() and ide_floppy_probe()
  instead of ide_floppy_get_capacity().

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-floppy.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 4a3d7e08b65..3271e56d091 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -445,7 +445,9 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
 			drive->name, lba_capacity, capacity);
 		floppy->blocks = floppy->block_size ?
 			capacity / floppy->block_size : 0;
+		drive->capacity64 = floppy->blocks * floppy->bs_factor;
 	}
+
 	return 0;
 }
 
@@ -466,7 +468,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 	drive->bios_head = drive->bios_sect = 0;
 	floppy->blocks = 0;
 	floppy->bs_factor = 1;
-	set_capacity(floppy->disk, 0);
+	drive->capacity64 = 0;
 
 	ide_floppy_create_read_capacity_cmd(&pc);
 	if (ide_queue_pc_tail(drive, disk, &pc)) {
@@ -523,6 +525,8 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 					       "non 512 bytes block size not "
 					       "fully supported\n",
 					       drive->name);
+				drive->capacity64 =
+					floppy->blocks * floppy->bs_factor;
 				rc = 0;
 			}
 			break;
@@ -547,17 +551,12 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 	if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE))
 		(void) ide_floppy_get_flexible_disk_page(drive);
 
-	set_capacity(disk, floppy->blocks * floppy->bs_factor);
-
 	return rc;
 }
 
 sector_t ide_floppy_capacity(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
-	unsigned long capacity = floppy->blocks * floppy->bs_factor;
-
-	return capacity;
+	return drive->capacity64;
 }
 
 static void idefloppy_setup(ide_drive_t *drive)
@@ -671,14 +670,16 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 		if (ide_do_test_unit_ready(drive, disk))
 			ide_do_start_stop(drive, disk, 1);
 
-		if (ide_floppy_get_capacity(drive)
-		   && (filp->f_flags & O_NDELAY) == 0
+		ret = ide_floppy_get_capacity(drive);
+
+		set_capacity(disk, ide_floppy_capacity(drive));
+
+		if (ret && (filp->f_flags & O_NDELAY) == 0) {
 		    /*
 		     * Allow O_NDELAY to open a drive without a disk, or with an
 		     * unreadable disk, so that we can get the format capacity
 		     * of the drive or begin the format - Sam
 		     */
-		    ) {
 			ret = -EIO;
 			goto out_put_floppy;
 		}
@@ -811,6 +812,8 @@ static int ide_floppy_probe(ide_drive_t *drive)
 
 	idefloppy_setup(drive);
 
+	set_capacity(g, ide_floppy_capacity(drive));
+
 	g->minors = 1 << PARTN_BITS;
 	g->driverfs_dev = &drive->gendev;
 	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
-- 
GitLab


From fe11edfaabf1787c05d782a7b33e6497d1118b1d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:11 +0200
Subject: [PATCH 0935/2224] ide: IDE_AFLAG_MEDIA_CHANGED ->
 IDE_DFLAG_MEDIA_CHANGED

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-cd.c       | 6 +++---
 drivers/ide/ide-cd_ioctl.c | 4 ++--
 drivers/ide/ide-floppy.c   | 6 +++---
 include/linux/ide.h        | 4 ++--
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 3308b1cd3a3..7dc1a17a4dd 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -99,7 +99,7 @@ static void ide_cd_put(struct cdrom_info *cd)
 /* Mark that we've seen a media change and invalidate our internal buffers. */
 static void cdrom_saw_media_change(ide_drive_t *drive)
 {
-	drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
+	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
 	drive->atapi_flags &= ~IDE_AFLAG_TOC_VALID;
 }
 
@@ -1986,8 +1986,8 @@ static int ide_cdrom_setup(ide_drive_t *drive)
 	if (!drive->queue->unplug_delay)
 		drive->queue->unplug_delay = 1;
 
-	drive->atapi_flags = IDE_AFLAG_MEDIA_CHANGED | IDE_AFLAG_NO_EJECT |
-		       ide_cd_flags(id);
+	drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
+	drive->atapi_flags = IDE_AFLAG_NO_EJECT | ide_cd_flags(id);
 
 	if ((drive->atapi_flags & IDE_AFLAG_VERTOS_300_SSD) &&
 	    fw_rev[4] == '1' && fw_rev[6] <= '2')
diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c
index 74231b41f61..37d89ead13d 100644
--- a/drivers/ide/ide-cd_ioctl.c
+++ b/drivers/ide/ide-cd_ioctl.c
@@ -86,8 +86,8 @@ int ide_cdrom_check_media_change_real(struct cdrom_device_info *cdi,
 
 	if (slot_nr == CDSL_CURRENT) {
 		(void) cdrom_check_status(drive, NULL);
-		retval = (drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED) ? 1 : 0;
-		drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED;
+		retval = (drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED) ? 1 : 0;
+		drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
 		return retval;
 	} else {
 		return -EINVAL;
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 3271e56d091..df410c7191a 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -689,8 +689,8 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 			goto out_put_floppy;
 		}
 
-		drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED;
 		ide_set_media_lock(drive, disk, 1);
+		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
 		check_disk_change(inode->i_bdev);
 	} else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) {
 		ret = -EBUSY;
@@ -747,8 +747,8 @@ static int idefloppy_media_changed(struct gendisk *disk)
 		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
 		return 0;
 	}
-	ret = !!(drive->atapi_flags & IDE_AFLAG_MEDIA_CHANGED);
-	drive->atapi_flags &= ~IDE_AFLAG_MEDIA_CHANGED;
+	ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
+	drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
 	return ret;
 }
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index c47e371554c..155a57f55c6 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -464,7 +464,6 @@ struct ide_acpi_hwif_link;
 /* ATAPI device flags */
 enum {
 	IDE_AFLAG_DRQ_INTERRUPT		= (1 << 0),
-	IDE_AFLAG_MEDIA_CHANGED		= (1 << 1),
 	/* Drive cannot lock the door. */
 	IDE_AFLAG_NO_DOORLOCK		= (1 << 2),
 
@@ -578,7 +577,8 @@ enum {
 	/* don't unload heads */
 	IDE_DFLAG_NO_UNLOAD		= (1 << 27),
 	/* heads unloaded, please don't reset port */
-	IDE_DFLAG_PARKED		= (1 << 28)
+	IDE_DFLAG_PARKED		= (1 << 28),
+	IDE_DFLAG_MEDIA_CHANGED		= (1 << 29),
 };
 
 struct ide_drive_s {
-- 
GitLab


From da167876bd0f71f1c646e5dd98997544d8d90e8e Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:11 +0200
Subject: [PATCH 0936/2224] ide: IDE_AFLAG_WP -> IDE_DFLAG_WP

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-floppy.c | 8 ++++----
 include/linux/ide.h      | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index df410c7191a..8078e0826cd 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -410,11 +410,11 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
 	}
 
 	if (pc.buf[3] & 0x80)
-		drive->atapi_flags |= IDE_AFLAG_WP;
+		drive->dev_flags |= IDE_DFLAG_WP;
 	else
-		drive->atapi_flags &= ~IDE_AFLAG_WP;
+		drive->dev_flags &= ~IDE_DFLAG_WP;
 
-	set_disk_ro(disk, !!(drive->atapi_flags & IDE_AFLAG_WP));
+	set_disk_ro(disk, !!(drive->dev_flags & IDE_DFLAG_WP));
 
 	page = &pc.buf[8];
 
@@ -684,7 +684,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 			goto out_put_floppy;
 		}
 
-		if ((drive->atapi_flags & IDE_AFLAG_WP) && (filp->f_mode & 2)) {
+		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
 			ret = -EROFS;
 			goto out_put_floppy;
 		}
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 155a57f55c6..bd0a4d36b6d 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -503,8 +503,6 @@ enum {
 	IDE_AFLAG_CLIK_DRIVE		= (1 << 19),
 	/* Requires BH algorithm for packets */
 	IDE_AFLAG_ZIP_DRIVE		= (1 << 20),
-	/* Write protect */
-	IDE_AFLAG_WP			= (1 << 21),
 	/* Supports format progress report */
 	IDE_AFLAG_SRFP			= (1 << 22),
 
@@ -579,6 +577,8 @@ enum {
 	/* heads unloaded, please don't reset port */
 	IDE_DFLAG_PARKED		= (1 << 28),
 	IDE_DFLAG_MEDIA_CHANGED		= (1 << 29),
+	/* write protect */
+	IDE_DFLAG_WP			= (1 << 30),
 };
 
 struct ide_drive_s {
-- 
GitLab


From e01286282eef85e4783b06fb2e0ed84fc111eb32 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:11 +0200
Subject: [PATCH 0937/2224] ide: IDE_AFLAG_FORMAT_IN_PROGRESS ->
 IDE_DFLAG_FORMAT_IN_PROGRESS

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-floppy.c       | 6 +++---
 drivers/ide/ide-floppy_ioctl.c | 6 +++---
 include/linux/ide.h            | 3 +--
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 8078e0826cd..2cf98b531fd 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -664,7 +664,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 	floppy->openers++;
 
 	if (floppy->openers == 1) {
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 		/* Just in case */
 
 		if (ide_do_test_unit_ready(drive, disk))
@@ -692,7 +692,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 		ide_set_media_lock(drive, disk, 1);
 		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
 		check_disk_change(inode->i_bdev);
-	} else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) {
+	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
 		ret = -EBUSY;
 		goto out_put_floppy;
 	}
@@ -714,7 +714,7 @@ static int idefloppy_release(struct inode *inode, struct file *filp)
 
 	if (floppy->openers == 1) {
 		ide_set_media_lock(drive, disk, 0);
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 	}
 
 	floppy->openers--;
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index a3a7a0809e2..b1f391df6cc 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -138,11 +138,11 @@ static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
 
 	if (floppy->openers > 1) {
 		/* Don't format if someone is using the disk */
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 		return -EBUSY;
 	}
 
-	drive->atapi_flags |= IDE_AFLAG_FORMAT_IN_PROGRESS;
+	drive->dev_flags |= IDE_DFLAG_FORMAT_IN_PROGRESS;
 
 	/*
 	 * Send ATAPI_FORMAT_UNIT to the drive.
@@ -174,7 +174,7 @@ static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
 
 out:
 	if (err)
-		drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 	return err;
 }
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index bd0a4d36b6d..d111c3ebbba 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -497,8 +497,6 @@ enum {
 	IDE_AFLAG_LE_SPEED_FIELDS	= (1 << 17),
 
 	/* ide-floppy */
-	/* Format in progress */
-	IDE_AFLAG_FORMAT_IN_PROGRESS	= (1 << 18),
 	/* Avoid commands not supported in Clik drive */
 	IDE_AFLAG_CLIK_DRIVE		= (1 << 19),
 	/* Requires BH algorithm for packets */
@@ -579,6 +577,7 @@ enum {
 	IDE_DFLAG_MEDIA_CHANGED		= (1 << 29),
 	/* write protect */
 	IDE_DFLAG_WP			= (1 << 30),
+	IDE_DFLAG_FORMAT_IN_PROGRESS	= (1 << 31),
 };
 
 struct ide_drive_s {
-- 
GitLab


From 42619d35c7af2f88cad56425fe3981f1f65ff0bd Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:11 +0200
Subject: [PATCH 0938/2224] ide: remove IDE_AFLAG_NO_DOORLOCKING

Just use IDE_DFLAG_DOORLOCKING instead.

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-atapi.c    | 2 +-
 drivers/ide/ide-cd.c       | 2 +-
 drivers/ide/ide-cd_ioctl.c | 4 ++--
 drivers/ide/ide-floppy.c   | 2 +-
 drivers/ide/ide-probe.c    | 1 +
 drivers/ide/ide-tape.c     | 2 +-
 include/linux/ide.h        | 2 --
 7 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 2e305714c20..4e58b9e7a58 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -191,7 +191,7 @@ int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
 {
 	struct ide_atapi_pc pc;
 
-	if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK)
+	if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0)
 		return 0;
 
 	ide_init_pc(&pc);
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 7dc1a17a4dd..2f4cc10391e 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1732,7 +1732,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 		return 0;
 
 	if ((buf[8 + 6] & 0x01) == 0)
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 	if (buf[8 + 6] & 0x08)
 		drive->atapi_flags &= ~IDE_AFLAG_NO_EJECT;
 	if (buf[8 + 3] & 0x01)
diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c
index 37d89ead13d..df3df0041eb 100644
--- a/drivers/ide/ide-cd_ioctl.c
+++ b/drivers/ide/ide-cd_ioctl.c
@@ -136,7 +136,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
 		sense = &my_sense;
 
 	/* If the drive cannot lock the door, just pretend. */
-	if (drive->atapi_flags & IDE_AFLAG_NO_DOORLOCK) {
+	if ((drive->dev_flags & IDE_DFLAG_DOORLOCKING) == 0) {
 		stat = 0;
 	} else {
 		unsigned char cmd[BLK_MAX_CDB];
@@ -157,7 +157,7 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
 	    (sense->asc == 0x24 || sense->asc == 0x20)) {
 		printk(KERN_ERR "%s: door locking not supported\n",
 			drive->name);
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 		stat = 0;
 	}
 
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 2cf98b531fd..791a9d6f371 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -592,7 +592,7 @@ static void idefloppy_setup(ide_drive_t *drive)
 		blk_queue_max_sectors(drive->queue, 64);
 		drive->atapi_flags |= IDE_AFLAG_CLIK_DRIVE;
 		/* IOMEGA Clik! drives do not support lock/unlock commands */
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 	}
 
 	(void) ide_floppy_get_capacity(drive);
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 19f8c7770a2..1649ea54f76 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -208,6 +208,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
 		drive->ready_stat = 0;
 		if (ata_id_cdb_intr(id))
 			drive->atapi_flags |= IDE_AFLAG_DRQ_INTERRUPT;
+		drive->dev_flags |= IDE_DFLAG_DOORLOCKING;
 		/* we don't do head unloading on ATAPI devices */
 		drive->dev_flags |= IDE_DFLAG_NO_UNLOAD;
 		return;
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index d879c7797cd..a99e28f4515 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2108,7 +2108,7 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive)
 
 	/* device lacks locking support according to capabilities page */
 	if ((caps[6] & 1) == 0)
-		drive->atapi_flags |= IDE_AFLAG_NO_DOORLOCK;
+		drive->dev_flags &= ~IDE_DFLAG_DOORLOCKING;
 
 	if (caps[7] & 0x02)
 		tape->blk_size = 512;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index d111c3ebbba..ba51a93fa54 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -464,8 +464,6 @@ struct ide_acpi_hwif_link;
 /* ATAPI device flags */
 enum {
 	IDE_AFLAG_DRQ_INTERRUPT		= (1 << 0),
-	/* Drive cannot lock the door. */
-	IDE_AFLAG_NO_DOORLOCK		= (1 << 2),
 
 	/* ide-cd */
 	/* Drive cannot eject the disc. */
-- 
GitLab


From 5fef0e5c0283949f95a7891c9424a9f84448116b Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:12 +0200
Subject: [PATCH 0939/2224] ide-disk: factor out generic disk handling code to
 ide-gd.c

While at it:
- IDEDISK_VERSION -> IDE_GD_VERSION
- ide_cacheflush_p() -> ide_disk_flush()
- init_idedisk_capacity() -> ide_disk_init_capacity()
- idedisk_set_doorlock() -> ide_disk_set_doorlock()
- idedisk_setup() -> ide_disk_setup()

- ide_disk_capacity() -> ide_gd_capacity()
- ide_disk_remove() -> ide_gd_remove()
- ide_disk_probe() -> ide_gd_probe()
- ide_disk_resume() -> ide_gd_resume()
- ide_device_shutdown() -> ide_gd_shutdown()
- idedisk_driver -> ide_gd_driver
- idedisk_open() -> ide_gd_open()
- idedisk_release() -> ide_gd_release()
- idedisk_getgeo() -> ide_gd_getgeo()
- idedisk_media_changed() -> ide_gd_media_changed()
- idedisk_revalidate_disk() -> ide_gd_revalidate_disk()
- idedisk_ops -> ide_gd_ops
- idedisk_init() -> ide_gd_init()
- idedisk_exit() -> ide_gd_exit()

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Makefile        |   2 +-
 drivers/ide/ide-disk.c      | 305 ++----------------------------------
 drivers/ide/ide-disk.h      |   8 +-
 drivers/ide/ide-disk_proc.c |   2 +-
 drivers/ide/ide-gd.c        | 296 ++++++++++++++++++++++++++++++++++
 5 files changed, 314 insertions(+), 299 deletions(-)
 create mode 100644 drivers/ide/ide-gd.c

diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index ceaf779054e..8aad9395a42 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -37,7 +37,7 @@ obj-$(CONFIG_IDE_H8300)			+= h8300/
 obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o
 obj-$(CONFIG_BLK_DEV_IDEPNP)		+= ide-pnp.o
 
-ide-disk_mod-y += ide-disk.o ide-disk_ioctl.o
+ide-disk_mod-y += ide-gd.o ide-disk.o ide-disk_ioctl.o
 ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
 ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o
 
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 70b75f23a70..751be7af22c 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -14,9 +14,6 @@
  * This is the IDE/ATA disk driver, as evolved from hd.c and ide.c.
  */
 
-#define IDEDISK_VERSION	"1.18"
-
-#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
@@ -39,44 +36,8 @@
 #include <asm/io.h>
 #include <asm/div64.h>
 
-#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
-#define IDE_DISK_MINORS		(1 << PARTN_BITS)
-#else
-#define IDE_DISK_MINORS		0
-#endif
-
 #include "ide-disk.h"
 
-static DEFINE_MUTEX(idedisk_ref_mutex);
-
-static void ide_disk_release(struct kref *);
-
-static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
-{
-	struct ide_disk_obj *idkp = NULL;
-
-	mutex_lock(&idedisk_ref_mutex);
-	idkp = ide_drv_g(disk, ide_disk_obj);
-	if (idkp) {
-		if (ide_device_get(idkp->drive))
-			idkp = NULL;
-		else
-			kref_get(&idkp->kref);
-	}
-	mutex_unlock(&idedisk_ref_mutex);
-	return idkp;
-}
-
-static void ide_disk_put(struct ide_disk_obj *idkp)
-{
-	ide_drive_t *drive = idkp->drive;
-
-	mutex_lock(&idedisk_ref_mutex);
-	kref_put(&idkp->kref, ide_disk_release);
-	ide_device_put(drive);
-	mutex_unlock(&idedisk_ref_mutex);
-}
-
 static const u8 ide_rw_cmds[] = {
 	ATA_CMD_READ_MULTI,
 	ATA_CMD_WRITE_MULTI,
@@ -223,8 +184,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
  * 1073741822 == 549756 MB or 48bit addressing fake drive
  */
 
-static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
-				      sector_t block)
+ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
+			       sector_t block)
 {
 	ide_hwif_t *hwif = HWIF(drive);
 
@@ -372,7 +333,7 @@ static void idedisk_check_hpa(ide_drive_t *drive)
 	}
 }
 
-static void init_idedisk_capacity(ide_drive_t *drive)
+void ide_disk_init_capacity(ide_drive_t *drive)
 {
 	u16 *id = drive->id;
 	int lba;
@@ -423,11 +384,6 @@ static void init_idedisk_capacity(ide_drive_t *drive)
 	}
 }
 
-sector_t ide_disk_capacity(ide_drive_t *drive)
-{
-	return drive->capacity64;
-}
-
 static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
 {
 	ide_drive_t *drive = q->queuedata;
@@ -526,7 +482,7 @@ static void update_ordered(ide_drive_t *drive)
 		 * time we have trimmed the drive capacity if LBA48 is
 		 * not available so we don't need to recheck that.
 		 */
-		capacity = ide_disk_capacity(drive);
+		capacity = ide_gd_capacity(drive);
 		barrier = ata_id_flush_enabled(id) &&
 			(drive->dev_flags & IDE_DFLAG_NOFLUSH) == 0 &&
 			((drive->dev_flags & IDE_DFLAG_LBA48) == 0 ||
@@ -634,7 +590,7 @@ ide_ext_devset_rw(wcache, wcache);
 
 ide_ext_devset_rw_sync(nowerr, nowerr);
 
-static void idedisk_setup(ide_drive_t *drive)
+void ide_disk_setup(ide_drive_t *drive)
 {
 	struct ide_disk_obj *idkp = drive->driver_data;
 	ide_hwif_t *hwif = drive->hwif;
@@ -670,13 +626,13 @@ static void idedisk_setup(ide_drive_t *drive)
 			 drive->queue->max_sectors / 2);
 
 	/* calculate drive capacity, and select LBA if possible */
-	init_idedisk_capacity(drive);
+	ide_disk_init_capacity(drive);
 
 	/*
 	 * if possible, give fdisk access to more of the drive,
 	 * by correcting bios_cyls:
 	 */
-	capacity = ide_disk_capacity(drive);
+	capacity = ide_gd_capacity(drive);
 
 	if ((drive->dev_flags & IDE_DFLAG_FORCED_GEOM) == 0) {
 		if (ata_id_lba48_enabled(drive->id)) {
@@ -726,7 +682,7 @@ static void idedisk_setup(ide_drive_t *drive)
 		drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
 
-static void ide_cacheflush_p(ide_drive_t *drive)
+void ide_disk_flush(ide_drive_t *drive)
 {
 	if (ata_id_flush_enabled(drive->id) == 0 ||
 	    (drive->dev_flags & IDE_DFLAG_WCACHE) == 0)
@@ -736,93 +692,7 @@ static void ide_cacheflush_p(ide_drive_t *drive)
 		printk(KERN_INFO "%s: wcache flush failed!\n", drive->name);
 }
 
-static void ide_disk_remove(ide_drive_t *drive)
-{
-	struct ide_disk_obj *idkp = drive->driver_data;
-	struct gendisk *g = idkp->disk;
-
-	ide_proc_unregister_driver(drive, idkp->driver);
-
-	del_gendisk(g);
-
-	ide_cacheflush_p(drive);
-
-	ide_disk_put(idkp);
-}
-
-static void ide_disk_release(struct kref *kref)
-{
-	struct ide_disk_obj *idkp = to_ide_drv(kref, ide_disk_obj);
-	ide_drive_t *drive = idkp->drive;
-	struct gendisk *g = idkp->disk;
-
-	drive->driver_data = NULL;
-	g->private_data = NULL;
-	put_disk(g);
-	kfree(idkp);
-}
-
-static int ide_disk_probe(ide_drive_t *drive);
-
-/*
- * On HPA drives the capacity needs to be
- * reinitilized on resume otherwise the disk
- * can not be used and a hard reset is required
- */
-static void ide_disk_resume(ide_drive_t *drive)
-{
-	if (ata_id_hpa_enabled(drive->id))
-		init_idedisk_capacity(drive);
-}
-
-static void ide_device_shutdown(ide_drive_t *drive)
-{
-#ifdef	CONFIG_ALPHA
-	/* On Alpha, halt(8) doesn't actually turn the machine off,
-	   it puts you into the sort of firmware monitor. Typically,
-	   it's used to boot another kernel image, so it's not much
-	   different from reboot(8). Therefore, we don't need to
-	   spin down the disk in this case, especially since Alpha
-	   firmware doesn't handle disks in standby mode properly.
-	   On the other hand, it's reasonably safe to turn the power
-	   off when the shutdown process reaches the firmware prompt,
-	   as the firmware initialization takes rather long time -
-	   at least 10 seconds, which should be sufficient for
-	   the disk to expire its write cache. */
-	if (system_state != SYSTEM_POWER_OFF) {
-#else
-	if (system_state == SYSTEM_RESTART) {
-#endif
-		ide_cacheflush_p(drive);
-		return;
-	}
-
-	printk(KERN_INFO "Shutdown: %s\n", drive->name);
-
-	drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
-}
-
-static ide_driver_t idedisk_driver = {
-	.gen_driver = {
-		.owner		= THIS_MODULE,
-		.name		= "ide-disk",
-		.bus		= &ide_bus_type,
-	},
-	.probe			= ide_disk_probe,
-	.remove			= ide_disk_remove,
-	.resume			= ide_disk_resume,
-	.shutdown		= ide_device_shutdown,
-	.version		= IDEDISK_VERSION,
-	.do_request		= ide_do_rw_disk,
-	.end_request		= ide_end_request,
-	.error			= __ide_error,
-#ifdef CONFIG_IDE_PROC_FS
-	.proc			= ide_disk_proc,
-	.settings		= ide_disk_settings,
-#endif
-};
-
-static int idedisk_set_doorlock(ide_drive_t *drive, int on)
+int ide_disk_set_doorlock(ide_drive_t *drive, int on)
 {
 	ide_task_t task;
 	int ret;
@@ -841,160 +711,3 @@ static int idedisk_set_doorlock(ide_drive_t *drive, int on)
 
 	return ret;
 }
-
-static int idedisk_open(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_disk_obj *idkp;
-	ide_drive_t *drive;
-
-	idkp = ide_disk_get(disk);
-	if (idkp == NULL)
-		return -ENXIO;
-
-	drive = idkp->drive;
-
-	idkp->openers++;
-
-	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
-		/*
-		 * Ignore the return code from door_lock,
-		 * since the open() has already succeeded,
-		 * and the door_lock is irrelevant at this point.
-		 */
-		idedisk_set_doorlock(drive, 1);
-		check_disk_change(inode->i_bdev);
-	}
-	return 0;
-}
-
-static int idedisk_release(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
-	ide_drive_t *drive = idkp->drive;
-
-	if (idkp->openers == 1)
-		ide_cacheflush_p(drive);
-
-	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1)
-		idedisk_set_doorlock(drive, 0);
-
-	idkp->openers--;
-
-	ide_disk_put(idkp);
-
-	return 0;
-}
-
-static int idedisk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
-	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
-	ide_drive_t *drive = idkp->drive;
-
-	geo->heads = drive->bios_head;
-	geo->sectors = drive->bios_sect;
-	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
-	return 0;
-}
-
-static int idedisk_media_changed(struct gendisk *disk)
-{
-	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
-	ide_drive_t *drive = idkp->drive;
-
-	/* do not scan partitions twice if this is a removable device */
-	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
-		return 0;
-	}
-
-	/* if removable, always assume it was changed */
-	return !!(drive->dev_flags & IDE_DFLAG_REMOVABLE);
-}
-
-static int idedisk_revalidate_disk(struct gendisk *disk)
-{
-	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
-	set_capacity(disk, ide_disk_capacity(idkp->drive));
-	return 0;
-}
-
-static struct block_device_operations idedisk_ops = {
-	.owner			= THIS_MODULE,
-	.open			= idedisk_open,
-	.release		= idedisk_release,
-	.ioctl			= ide_disk_ioctl,
-	.getgeo			= idedisk_getgeo,
-	.media_changed		= idedisk_media_changed,
-	.revalidate_disk	= idedisk_revalidate_disk
-};
-
-MODULE_DESCRIPTION("ATA DISK Driver");
-
-static int ide_disk_probe(ide_drive_t *drive)
-{
-	struct ide_disk_obj *idkp;
-	struct gendisk *g;
-
-	/* strstr("foo", "") is non-NULL */
-	if (!strstr("ide-disk", drive->driver_req))
-		goto failed;
-
-	if (drive->media != ide_disk)
-		goto failed;
-
-	idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
-	if (!idkp)
-		goto failed;
-
-	g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif));
-	if (!g)
-		goto out_free_idkp;
-
-	ide_init_disk(g, drive);
-
-	kref_init(&idkp->kref);
-
-	idkp->drive = drive;
-	idkp->driver = &idedisk_driver;
-	idkp->disk = g;
-
-	g->private_data = &idkp->driver;
-
-	drive->driver_data = idkp;
-
-	idedisk_setup(drive);
-
-	set_capacity(g, ide_disk_capacity(drive));
-
-	g->minors = IDE_DISK_MINORS;
-	g->driverfs_dev = &drive->gendev;
-	g->flags |= GENHD_FL_EXT_DEVT;
-	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
-		g->flags = GENHD_FL_REMOVABLE;
-	g->fops = &idedisk_ops;
-	add_disk(g);
-	return 0;
-
-out_free_idkp:
-	kfree(idkp);
-failed:
-	return -ENODEV;
-}
-
-static void __exit idedisk_exit(void)
-{
-	driver_unregister(&idedisk_driver.gen_driver);
-}
-
-static int __init idedisk_init(void)
-{
-	return driver_register(&idedisk_driver.gen_driver);
-}
-
-MODULE_ALIAS("ide:*m-disk*");
-MODULE_ALIAS("ide-disk");
-module_init(idedisk_init);
-module_exit(idedisk_exit);
-MODULE_LICENSE("GPL");
diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h
index 50d674b91c8..104ad71288a 100644
--- a/drivers/ide/ide-disk.h
+++ b/drivers/ide/ide-disk.h
@@ -9,8 +9,14 @@ struct ide_disk_obj {
 	unsigned int	openers;	/* protected by BKL for now */
 };
 
+sector_t ide_gd_capacity(ide_drive_t *);
+
 /* ide-disk.c */
-sector_t ide_disk_capacity(ide_drive_t *);
+void ide_disk_init_capacity(ide_drive_t *);
+void ide_disk_setup(ide_drive_t *);
+void ide_disk_flush(ide_drive_t *);
+int ide_disk_set_doorlock(ide_drive_t *, int);
+ide_startstop_t ide_do_rw_disk(ide_drive_t *, struct request *, sector_t);
 ide_decl_devset(address);
 ide_decl_devset(multcount);
 ide_decl_devset(nowerr);
diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c
index 4724976afe7..1146f4204c6 100644
--- a/drivers/ide/ide-disk_proc.c
+++ b/drivers/ide/ide-disk_proc.c
@@ -56,7 +56,7 @@ static int proc_idedisk_read_capacity
 	ide_drive_t*drive = (ide_drive_t *)data;
 	int len;
 
-	len = sprintf(page, "%llu\n", (long long)ide_disk_capacity(drive));
+	len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive));
 
 	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
 }
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
new file mode 100644
index 00000000000..84bbcfee923
--- /dev/null
+++ b/drivers/ide/ide-gd.c
@@ -0,0 +1,296 @@
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/genhd.h>
+#include <linux/mutex.h>
+#include <linux/ide.h>
+#include <linux/hdreg.h>
+
+#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
+#define IDE_DISK_MINORS		(1 << PARTN_BITS)
+#else
+#define IDE_DISK_MINORS		0
+#endif
+
+#include "ide-disk.h"
+
+#define IDE_GD_VERSION	"1.18"
+
+static DEFINE_MUTEX(ide_disk_ref_mutex);
+
+static void ide_disk_release(struct kref *);
+
+static struct ide_disk_obj *ide_disk_get(struct gendisk *disk)
+{
+	struct ide_disk_obj *idkp = NULL;
+
+	mutex_lock(&ide_disk_ref_mutex);
+	idkp = ide_drv_g(disk, ide_disk_obj);
+	if (idkp) {
+		if (ide_device_get(idkp->drive))
+			idkp = NULL;
+		else
+			kref_get(&idkp->kref);
+	}
+	mutex_unlock(&ide_disk_ref_mutex);
+	return idkp;
+}
+
+static void ide_disk_put(struct ide_disk_obj *idkp)
+{
+	ide_drive_t *drive = idkp->drive;
+
+	mutex_lock(&ide_disk_ref_mutex);
+	kref_put(&idkp->kref, ide_disk_release);
+	ide_device_put(drive);
+	mutex_unlock(&ide_disk_ref_mutex);
+}
+
+sector_t ide_gd_capacity(ide_drive_t *drive)
+{
+	return drive->capacity64;
+}
+
+static int ide_gd_probe(ide_drive_t *);
+
+static void ide_gd_remove(ide_drive_t *drive)
+{
+	struct ide_disk_obj *idkp = drive->driver_data;
+	struct gendisk *g = idkp->disk;
+
+	ide_proc_unregister_driver(drive, idkp->driver);
+
+	del_gendisk(g);
+
+	ide_disk_flush(drive);
+
+	ide_disk_put(idkp);
+}
+
+static void ide_disk_release(struct kref *kref)
+{
+	struct ide_disk_obj *idkp = to_ide_drv(kref, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+	struct gendisk *g = idkp->disk;
+
+	drive->driver_data = NULL;
+	g->private_data = NULL;
+	put_disk(g);
+	kfree(idkp);
+}
+
+/*
+ * On HPA drives the capacity needs to be
+ * reinitilized on resume otherwise the disk
+ * can not be used and a hard reset is required
+ */
+static void ide_gd_resume(ide_drive_t *drive)
+{
+	if (ata_id_hpa_enabled(drive->id))
+		ide_disk_init_capacity(drive);
+}
+
+static void ide_gd_shutdown(ide_drive_t *drive)
+{
+#ifdef	CONFIG_ALPHA
+	/* On Alpha, halt(8) doesn't actually turn the machine off,
+	   it puts you into the sort of firmware monitor. Typically,
+	   it's used to boot another kernel image, so it's not much
+	   different from reboot(8). Therefore, we don't need to
+	   spin down the disk in this case, especially since Alpha
+	   firmware doesn't handle disks in standby mode properly.
+	   On the other hand, it's reasonably safe to turn the power
+	   off when the shutdown process reaches the firmware prompt,
+	   as the firmware initialization takes rather long time -
+	   at least 10 seconds, which should be sufficient for
+	   the disk to expire its write cache. */
+	if (system_state != SYSTEM_POWER_OFF) {
+#else
+	if (system_state == SYSTEM_RESTART) {
+#endif
+		ide_disk_flush(drive);
+		return;
+	}
+
+	printk(KERN_INFO "Shutdown: %s\n", drive->name);
+
+	drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
+}
+
+static ide_driver_t ide_gd_driver = {
+	.gen_driver = {
+		.owner		= THIS_MODULE,
+		.name		= "ide-disk",
+		.bus		= &ide_bus_type,
+	},
+	.probe			= ide_gd_probe,
+	.remove			= ide_gd_remove,
+	.resume			= ide_gd_resume,
+	.shutdown		= ide_gd_shutdown,
+	.version		= IDE_GD_VERSION,
+	.do_request		= ide_do_rw_disk,
+	.end_request		= ide_end_request,
+	.error			= __ide_error,
+#ifdef CONFIG_IDE_PROC_FS
+	.proc			= ide_disk_proc,
+	.settings		= ide_disk_settings,
+#endif
+};
+
+static int ide_gd_open(struct inode *inode, struct file *filp)
+{
+	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct ide_disk_obj *idkp;
+	ide_drive_t *drive;
+
+	idkp = ide_disk_get(disk);
+	if (idkp == NULL)
+		return -ENXIO;
+
+	drive = idkp->drive;
+
+	idkp->openers++;
+
+	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
+		/*
+		 * Ignore the return code from door_lock,
+		 * since the open() has already succeeded,
+		 * and the door_lock is irrelevant at this point.
+		 */
+		ide_disk_set_doorlock(drive, 1);
+		check_disk_change(inode->i_bdev);
+	}
+	return 0;
+}
+
+static int ide_gd_release(struct inode *inode, struct file *filp)
+{
+	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+
+	if (idkp->openers == 1)
+		ide_disk_flush(drive);
+
+	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1)
+		ide_disk_set_doorlock(drive, 0);
+
+	idkp->openers--;
+
+	ide_disk_put(idkp);
+
+	return 0;
+}
+
+static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+
+	geo->heads = drive->bios_head;
+	geo->sectors = drive->bios_sect;
+	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
+	return 0;
+}
+
+static int ide_gd_media_changed(struct gendisk *disk)
+{
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+
+	/* do not scan partitions twice if this is a removable device */
+	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
+		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
+		return 0;
+	}
+
+	/* if removable, always assume it was changed */
+	return !!(drive->dev_flags & IDE_DFLAG_REMOVABLE);
+}
+
+static int ide_gd_revalidate_disk(struct gendisk *disk)
+{
+	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+	set_capacity(disk, ide_gd_capacity(idkp->drive));
+	return 0;
+}
+
+static struct block_device_operations ide_gd_ops = {
+	.owner			= THIS_MODULE,
+	.open			= ide_gd_open,
+	.release		= ide_gd_release,
+	.ioctl			= ide_disk_ioctl,
+	.getgeo			= ide_gd_getgeo,
+	.media_changed		= ide_gd_media_changed,
+	.revalidate_disk	= ide_gd_revalidate_disk
+};
+
+static int ide_gd_probe(ide_drive_t *drive)
+{
+	struct ide_disk_obj *idkp;
+	struct gendisk *g;
+
+	/* strstr("foo", "") is non-NULL */
+	if (!strstr("ide-disk", drive->driver_req))
+		goto failed;
+
+	if (drive->media != ide_disk)
+		goto failed;
+
+	idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
+	if (!idkp)
+		goto failed;
+
+	g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif));
+	if (!g)
+		goto out_free_idkp;
+
+	ide_init_disk(g, drive);
+
+	kref_init(&idkp->kref);
+
+	idkp->drive = drive;
+	idkp->driver = &ide_gd_driver;
+	idkp->disk = g;
+
+	g->private_data = &idkp->driver;
+
+	drive->driver_data = idkp;
+
+	ide_disk_setup(drive);
+
+	set_capacity(g, ide_gd_capacity(drive));
+
+	g->minors = IDE_DISK_MINORS;
+	g->driverfs_dev = &drive->gendev;
+	g->flags |= GENHD_FL_EXT_DEVT;
+	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
+		g->flags = GENHD_FL_REMOVABLE;
+	g->fops = &ide_gd_ops;
+	add_disk(g);
+	return 0;
+
+out_free_idkp:
+	kfree(idkp);
+failed:
+	return -ENODEV;
+}
+
+static int __init ide_gd_init(void)
+{
+	return driver_register(&ide_gd_driver.gen_driver);
+}
+
+static void __exit ide_gd_exit(void)
+{
+	driver_unregister(&ide_gd_driver.gen_driver);
+}
+
+MODULE_ALIAS("ide:*m-disk*");
+MODULE_ALIAS("ide-disk");
+module_init(ide_gd_init);
+module_exit(ide_gd_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ATA DISK Driver");
-- 
GitLab


From cedd120cac61fa149ba215eabc57b2578068be00 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:12 +0200
Subject: [PATCH 0940/2224] ide-disk: use IDE_DFLAG_MEDIA_CHANGED

Set IDE_DFLAG_MEDIA_CHANGED in ide_gd_open() to signalize
ide_gd_media_changed() that that media has changed (instead
of relying on IDE_DFLAG_REMOVABLE).

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-gd.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 84bbcfee923..c08500270b9 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -160,6 +160,7 @@ static int ide_gd_open(struct inode *inode, struct file *filp)
 		 * and the door_lock is irrelevant at this point.
 		 */
 		ide_disk_set_doorlock(drive, 1);
+		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
 		check_disk_change(inode->i_bdev);
 	}
 	return 0;
@@ -199,6 +200,7 @@ static int ide_gd_media_changed(struct gendisk *disk)
 {
 	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
+	int ret;
 
 	/* do not scan partitions twice if this is a removable device */
 	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
@@ -206,8 +208,10 @@ static int ide_gd_media_changed(struct gendisk *disk)
 		return 0;
 	}
 
-	/* if removable, always assume it was changed */
-	return !!(drive->dev_flags & IDE_DFLAG_REMOVABLE);
+	ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
+	drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
+
+	return ret;
 }
 
 static int ide_gd_revalidate_disk(struct gendisk *disk)
-- 
GitLab


From c84d9bbe7c77aea7e1194da056d44a2ed982e72b Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:13 +0200
Subject: [PATCH 0941/2224] ide-floppy: factor out generic disk handling code
 to ide-gd-floppy.c

While at it:
- idefloppy_do_request() -> ide_floppy_do_request()
- idefloppy_end_request() -> ide_floppy_end_request()
- idefloppy_setup() -> ide_floppy_setup()

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Makefile        |   2 +-
 drivers/ide/ide-floppy.c    | 319 ++----------------------------------
 drivers/ide/ide-floppy.h    |  19 ++-
 drivers/ide/ide-gd-floppy.c | 298 +++++++++++++++++++++++++++++++++
 4 files changed, 327 insertions(+), 311 deletions(-)
 create mode 100644 drivers/ide/ide-gd-floppy.c

diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 8aad9395a42..7eeeab59795 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -39,7 +39,7 @@ obj-$(CONFIG_BLK_DEV_IDEPNP)		+= ide-pnp.o
 
 ide-disk_mod-y += ide-gd.o ide-disk.o ide-disk_ioctl.o
 ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
-ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o
+ide-floppy_mod-y += ide-gd-floppy.o ide-floppy.o ide-floppy_ioctl.o
 
 ifeq ($(CONFIG_IDE_PROC_FS), y)
 	ide-disk_mod-y += ide-disk_proc.o
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 791a9d6f371..802e0968e32 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -15,12 +15,6 @@
  * Documentation/ide/ChangeLog.ide-floppy.1996-2002
  */
 
-#define DRV_NAME "ide-floppy"
-#define PFX DRV_NAME ": "
-
-#define IDEFLOPPY_VERSION "1.00"
-
-#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
@@ -49,19 +43,6 @@
 
 #include "ide-floppy.h"
 
-/* module parameters */
-static unsigned long debug_mask;
-module_param(debug_mask, ulong, 0644);
-
-/* define to see debug info */
-#define IDEFLOPPY_DEBUG_LOG	0
-
-#if IDEFLOPPY_DEBUG_LOG
-#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
-#else
-#define ide_debug_log(lvl, fmt, args...) do {} while (0)
-#endif
-
 /*
  * After each failed packet command we issue a request sense command and retry
  * the packet command IDEFLOPPY_MAX_PC_RETRIES times.
@@ -83,41 +64,11 @@ module_param(debug_mask, ulong, 0644);
 /* Error code returned in rq->errors to the higher part of the driver. */
 #define	IDEFLOPPY_ERROR_GENERAL		101
 
-static DEFINE_MUTEX(idefloppy_ref_mutex);
-
-static void idefloppy_cleanup_obj(struct kref *);
-
-static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk)
-{
-	struct ide_floppy_obj *floppy = NULL;
-
-	mutex_lock(&idefloppy_ref_mutex);
-	floppy = ide_drv_g(disk, ide_floppy_obj);
-	if (floppy) {
-		if (ide_device_get(floppy->drive))
-			floppy = NULL;
-		else
-			kref_get(&floppy->kref);
-	}
-	mutex_unlock(&idefloppy_ref_mutex);
-	return floppy;
-}
-
-static void ide_floppy_put(struct ide_floppy_obj *floppy)
-{
-	ide_drive_t *drive = floppy->drive;
-
-	mutex_lock(&idefloppy_ref_mutex);
-	kref_put(&floppy->kref, idefloppy_cleanup_obj);
-	ide_device_put(drive);
-	mutex_unlock(&idefloppy_ref_mutex);
-}
-
 /*
  * Used to finish servicing a request. For read/write requests, we will call
  * ide_end_request to pass to the next buffer.
  */
-static int idefloppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
+int ide_floppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
 {
 	idefloppy_floppy_t *floppy = drive->driver_data;
 	struct request *rq = HWGROUP(drive)->rq;
@@ -161,7 +112,7 @@ static void idefloppy_update_buffers(ide_drive_t *drive,
 	struct bio *bio = rq->bio;
 
 	while ((bio = rq->bio) != NULL)
-		idefloppy_end_request(drive, 1, 0);
+		ide_floppy_end_request(drive, 1, 0);
 }
 
 static void ide_floppy_callback(ide_drive_t *drive, int dsc)
@@ -200,7 +151,7 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc)
 			       "Aborting request!\n");
 	}
 
-	idefloppy_end_request(drive, uptodate, 0);
+	ide_floppy_end_request(drive, uptodate, 0);
 }
 
 static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
@@ -329,8 +280,8 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
 	pc->req_xfer = pc->buf_size = rq->data_len;
 }
 
-static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
-		struct request *rq, sector_t block_s)
+ide_startstop_t ide_floppy_do_request(ide_drive_t *drive, struct request *rq,
+				      sector_t block_s)
 {
 	idefloppy_floppy_t *floppy = drive->driver_data;
 	ide_hwif_t *hwif = drive->hwif;
@@ -353,7 +304,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
 		else
 			printk(KERN_ERR PFX "%s: I/O error\n", drive->name);
 
-		idefloppy_end_request(drive, 0, 0);
+		ide_floppy_end_request(drive, 0, 0);
 		return ide_stopped;
 	}
 	if (blk_fs_request(rq)) {
@@ -361,7 +312,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
 		    (rq->nr_sectors % floppy->bs_factor)) {
 			printk(KERN_ERR PFX "%s: unsupported r/w rq size\n",
 				drive->name);
-			idefloppy_end_request(drive, 0, 0);
+			ide_floppy_end_request(drive, 0, 0);
 			return ide_stopped;
 		}
 		pc = &floppy->queued_pc;
@@ -373,7 +324,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
 		idefloppy_blockpc_cmd(floppy, pc, rq);
 	} else {
 		blk_dump_rq_flags(rq, PFX "unsupported command in queue");
-		idefloppy_end_request(drive, 0, 0);
+		ide_floppy_end_request(drive, 0, 0);
 		return ide_stopped;
 	}
 
@@ -455,7 +406,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
  * Determine if a media is present in the floppy drive, and if so, its LBA
  * capacity.
  */
-static int ide_floppy_get_capacity(ide_drive_t *drive)
+int ide_floppy_get_capacity(ide_drive_t *drive)
 {
 	idefloppy_floppy_t *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
@@ -554,12 +505,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 	return rc;
 }
 
-sector_t ide_floppy_capacity(ide_drive_t *drive)
-{
-	return drive->capacity64;
-}
-
-static void idefloppy_setup(ide_drive_t *drive)
+void ide_floppy_setup(ide_drive_t *drive)
 {
 	struct ide_floppy_obj *floppy = drive->driver_data;
 	u16 *id = drive->id;
@@ -601,248 +547,3 @@ static void idefloppy_setup(ide_drive_t *drive)
 
 	drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
-
-static void ide_floppy_remove(ide_drive_t *drive)
-{
-	idefloppy_floppy_t *floppy = drive->driver_data;
-	struct gendisk *g = floppy->disk;
-
-	ide_proc_unregister_driver(drive, floppy->driver);
-
-	del_gendisk(g);
-
-	ide_floppy_put(floppy);
-}
-
-static void idefloppy_cleanup_obj(struct kref *kref)
-{
-	struct ide_floppy_obj *floppy = to_ide_drv(kref, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-	struct gendisk *g = floppy->disk;
-
-	drive->driver_data = NULL;
-	g->private_data = NULL;
-	put_disk(g);
-	kfree(floppy);
-}
-
-static int ide_floppy_probe(ide_drive_t *);
-
-static ide_driver_t idefloppy_driver = {
-	.gen_driver = {
-		.owner		= THIS_MODULE,
-		.name		= "ide-floppy",
-		.bus		= &ide_bus_type,
-	},
-	.probe			= ide_floppy_probe,
-	.remove			= ide_floppy_remove,
-	.version		= IDEFLOPPY_VERSION,
-	.do_request		= idefloppy_do_request,
-	.end_request		= idefloppy_end_request,
-	.error			= __ide_error,
-#ifdef CONFIG_IDE_PROC_FS
-	.proc			= ide_floppy_proc,
-	.settings		= ide_floppy_settings,
-#endif
-};
-
-static int idefloppy_open(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *floppy;
-	ide_drive_t *drive;
-	int ret = 0;
-
-	floppy = ide_floppy_get(disk);
-	if (!floppy)
-		return -ENXIO;
-
-	drive = floppy->drive;
-
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
-	floppy->openers++;
-
-	if (floppy->openers == 1) {
-		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
-		/* Just in case */
-
-		if (ide_do_test_unit_ready(drive, disk))
-			ide_do_start_stop(drive, disk, 1);
-
-		ret = ide_floppy_get_capacity(drive);
-
-		set_capacity(disk, ide_floppy_capacity(drive));
-
-		if (ret && (filp->f_flags & O_NDELAY) == 0) {
-		    /*
-		     * Allow O_NDELAY to open a drive without a disk, or with an
-		     * unreadable disk, so that we can get the format capacity
-		     * of the drive or begin the format - Sam
-		     */
-			ret = -EIO;
-			goto out_put_floppy;
-		}
-
-		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
-			ret = -EROFS;
-			goto out_put_floppy;
-		}
-
-		ide_set_media_lock(drive, disk, 1);
-		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
-		check_disk_change(inode->i_bdev);
-	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
-		ret = -EBUSY;
-		goto out_put_floppy;
-	}
-	return 0;
-
-out_put_floppy:
-	floppy->openers--;
-	ide_floppy_put(floppy);
-	return ret;
-}
-
-static int idefloppy_release(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
-	if (floppy->openers == 1) {
-		ide_set_media_lock(drive, disk, 0);
-		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
-	}
-
-	floppy->openers--;
-
-	ide_floppy_put(floppy);
-
-	return 0;
-}
-
-static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
-	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
-						     ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-
-	geo->heads = drive->bios_head;
-	geo->sectors = drive->bios_sect;
-	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
-	return 0;
-}
-
-static int idefloppy_media_changed(struct gendisk *disk)
-{
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-	int ret;
-
-	/* do not scan partitions twice if this is a removable device */
-	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
-		return 0;
-	}
-	ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
-	drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
-	return ret;
-}
-
-static int idefloppy_revalidate_disk(struct gendisk *disk)
-{
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	set_capacity(disk, ide_floppy_capacity(floppy->drive));
-	return 0;
-}
-
-static struct block_device_operations idefloppy_ops = {
-	.owner			= THIS_MODULE,
-	.open			= idefloppy_open,
-	.release		= idefloppy_release,
-	.ioctl			= ide_floppy_ioctl,
-	.getgeo			= idefloppy_getgeo,
-	.media_changed		= idefloppy_media_changed,
-	.revalidate_disk	= idefloppy_revalidate_disk
-};
-
-static int ide_floppy_probe(ide_drive_t *drive)
-{
-	idefloppy_floppy_t *floppy;
-	struct gendisk *g;
-
-	if (!strstr("ide-floppy", drive->driver_req))
-		goto failed;
-
-	if (drive->media != ide_floppy)
-		goto failed;
-
-	if (!ide_check_atapi_device(drive, DRV_NAME)) {
-		printk(KERN_ERR PFX "%s: not supported by this version of "
-		       DRV_NAME "\n", drive->name);
-		goto failed;
-	}
-	floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL);
-	if (!floppy) {
-		printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n",
-		       drive->name);
-		goto failed;
-	}
-
-	g = alloc_disk_node(1 << PARTN_BITS, hwif_to_node(drive->hwif));
-	if (!g)
-		goto out_free_floppy;
-
-	ide_init_disk(g, drive);
-
-	kref_init(&floppy->kref);
-
-	floppy->drive = drive;
-	floppy->driver = &idefloppy_driver;
-	floppy->disk = g;
-
-	g->private_data = &floppy->driver;
-
-	drive->driver_data = floppy;
-
-	drive->debug_mask = debug_mask;
-
-	idefloppy_setup(drive);
-
-	set_capacity(g, ide_floppy_capacity(drive));
-
-	g->minors = 1 << PARTN_BITS;
-	g->driverfs_dev = &drive->gendev;
-	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
-		g->flags = GENHD_FL_REMOVABLE;
-	g->fops = &idefloppy_ops;
-	add_disk(g);
-	return 0;
-
-out_free_floppy:
-	kfree(floppy);
-failed:
-	return -ENODEV;
-}
-
-static void __exit idefloppy_exit(void)
-{
-	driver_unregister(&idefloppy_driver.gen_driver);
-}
-
-static int __init idefloppy_init(void)
-{
-	printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n");
-	return driver_register(&idefloppy_driver.gen_driver);
-}
-
-MODULE_ALIAS("ide:*m-floppy*");
-MODULE_ALIAS("ide-floppy");
-module_init(idefloppy_init);
-module_exit(idefloppy_exit);
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
-
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index 17cf865e583..836a70e6e3e 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -1,6 +1,18 @@
 #ifndef __IDE_FLOPPY_H
 #define __IDE_FLOPPY_H
 
+#define DRV_NAME "ide-floppy"
+#define PFX DRV_NAME ": "
+
+/* define to see debug info */
+#define IDEFLOPPY_DEBUG_LOG	0
+
+#if IDEFLOPPY_DEBUG_LOG
+#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
+#else
+#define ide_debug_log(lvl, fmt, args...) do {} while (0)
+#endif
+
 /*
  * Most of our global data which we need to save even as we leave the driver
  * due to an interrupt or a timer event is stored in a variable of type
@@ -45,10 +57,15 @@ typedef struct ide_floppy_obj {
 #define	IDEFLOPPY_IOCTL_FORMAT_START		0x4602
 #define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS	0x4603
 
+sector_t ide_floppy_capacity(ide_drive_t *);
+
 /* ide-floppy.c */
 void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
 void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
-sector_t ide_floppy_capacity(ide_drive_t *);
+int ide_floppy_get_capacity(ide_drive_t *);
+void ide_floppy_setup(ide_drive_t *);
+ide_startstop_t ide_floppy_do_request(ide_drive_t *, struct request *, sector_t);
+int ide_floppy_end_request(ide_drive_t *, int, int);
 
 /* ide-floppy_ioctl.c */
 int ide_floppy_ioctl(struct inode *, struct file *, unsigned, unsigned long);
diff --git a/drivers/ide/ide-gd-floppy.c b/drivers/ide/ide-gd-floppy.c
new file mode 100644
index 00000000000..7afd013b4c5
--- /dev/null
+++ b/drivers/ide/ide-gd-floppy.c
@@ -0,0 +1,298 @@
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/genhd.h>
+#include <linux/mutex.h>
+#include <linux/ide.h>
+#include <linux/hdreg.h>
+
+#include "ide-floppy.h"
+
+#define IDEFLOPPY_VERSION "1.00"
+
+/* module parameters */
+static unsigned long debug_mask;
+module_param(debug_mask, ulong, 0644);
+
+static DEFINE_MUTEX(idefloppy_ref_mutex);
+
+static void idefloppy_cleanup_obj(struct kref *);
+
+static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk)
+{
+	struct ide_floppy_obj *floppy = NULL;
+
+	mutex_lock(&idefloppy_ref_mutex);
+	floppy = ide_drv_g(disk, ide_floppy_obj);
+	if (floppy) {
+		if (ide_device_get(floppy->drive))
+			floppy = NULL;
+		else
+			kref_get(&floppy->kref);
+	}
+	mutex_unlock(&idefloppy_ref_mutex);
+	return floppy;
+}
+
+static void ide_floppy_put(struct ide_floppy_obj *floppy)
+{
+	ide_drive_t *drive = floppy->drive;
+
+	mutex_lock(&idefloppy_ref_mutex);
+	kref_put(&floppy->kref, idefloppy_cleanup_obj);
+	ide_device_put(drive);
+	mutex_unlock(&idefloppy_ref_mutex);
+}
+
+sector_t ide_floppy_capacity(ide_drive_t *drive)
+{
+	return drive->capacity64;
+}
+
+static void ide_floppy_remove(ide_drive_t *drive)
+{
+	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct gendisk *g = floppy->disk;
+
+	ide_proc_unregister_driver(drive, floppy->driver);
+
+	del_gendisk(g);
+
+	ide_floppy_put(floppy);
+}
+
+static void idefloppy_cleanup_obj(struct kref *kref)
+{
+	struct ide_floppy_obj *floppy = to_ide_drv(kref, ide_floppy_obj);
+	ide_drive_t *drive = floppy->drive;
+	struct gendisk *g = floppy->disk;
+
+	drive->driver_data = NULL;
+	g->private_data = NULL;
+	put_disk(g);
+	kfree(floppy);
+}
+
+static int ide_floppy_probe(ide_drive_t *);
+
+static ide_driver_t idefloppy_driver = {
+	.gen_driver = {
+		.owner		= THIS_MODULE,
+		.name		= "ide-floppy",
+		.bus		= &ide_bus_type,
+	},
+	.probe			= ide_floppy_probe,
+	.remove			= ide_floppy_remove,
+	.version		= IDEFLOPPY_VERSION,
+	.do_request		= ide_floppy_do_request,
+	.end_request		= ide_floppy_end_request,
+	.error			= __ide_error,
+#ifdef CONFIG_IDE_PROC_FS
+	.proc			= ide_floppy_proc,
+	.settings		= ide_floppy_settings,
+#endif
+};
+
+static int idefloppy_open(struct inode *inode, struct file *filp)
+{
+	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct ide_floppy_obj *floppy;
+	ide_drive_t *drive;
+	int ret = 0;
+
+	floppy = ide_floppy_get(disk);
+	if (!floppy)
+		return -ENXIO;
+
+	drive = floppy->drive;
+
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
+	floppy->openers++;
+
+	if (floppy->openers == 1) {
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+		/* Just in case */
+
+		if (ide_do_test_unit_ready(drive, disk))
+			ide_do_start_stop(drive, disk, 1);
+
+		ret = ide_floppy_get_capacity(drive);
+
+		set_capacity(disk, ide_floppy_capacity(drive));
+
+		if (ret && (filp->f_flags & O_NDELAY) == 0) {
+		    /*
+		     * Allow O_NDELAY to open a drive without a disk, or with an
+		     * unreadable disk, so that we can get the format capacity
+		     * of the drive or begin the format - Sam
+		     */
+			ret = -EIO;
+			goto out_put_floppy;
+		}
+
+		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
+			ret = -EROFS;
+			goto out_put_floppy;
+		}
+
+		ide_set_media_lock(drive, disk, 1);
+		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
+		check_disk_change(inode->i_bdev);
+	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
+		ret = -EBUSY;
+		goto out_put_floppy;
+	}
+	return 0;
+
+out_put_floppy:
+	floppy->openers--;
+	ide_floppy_put(floppy);
+	return ret;
+}
+
+static int idefloppy_release(struct inode *inode, struct file *filp)
+{
+	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
+	ide_drive_t *drive = floppy->drive;
+
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
+	if (floppy->openers == 1) {
+		ide_set_media_lock(drive, disk, 0);
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+	}
+
+	floppy->openers--;
+
+	ide_floppy_put(floppy);
+
+	return 0;
+}
+
+static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+{
+	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
+						     ide_floppy_obj);
+	ide_drive_t *drive = floppy->drive;
+
+	geo->heads = drive->bios_head;
+	geo->sectors = drive->bios_sect;
+	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
+	return 0;
+}
+
+static int idefloppy_media_changed(struct gendisk *disk)
+{
+	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
+	ide_drive_t *drive = floppy->drive;
+	int ret;
+
+	/* do not scan partitions twice if this is a removable device */
+	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
+		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
+		return 0;
+	}
+
+	ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
+	drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
+
+	return ret;
+}
+
+static int idefloppy_revalidate_disk(struct gendisk *disk)
+{
+	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
+	set_capacity(disk, ide_floppy_capacity(floppy->drive));
+	return 0;
+}
+
+static struct block_device_operations idefloppy_ops = {
+	.owner			= THIS_MODULE,
+	.open			= idefloppy_open,
+	.release		= idefloppy_release,
+	.ioctl			= ide_floppy_ioctl,
+	.getgeo			= idefloppy_getgeo,
+	.media_changed		= idefloppy_media_changed,
+	.revalidate_disk	= idefloppy_revalidate_disk
+};
+
+static int ide_floppy_probe(ide_drive_t *drive)
+{
+	idefloppy_floppy_t *floppy;
+	struct gendisk *g;
+
+	if (!strstr("ide-floppy", drive->driver_req))
+		goto failed;
+
+	if (drive->media != ide_floppy)
+		goto failed;
+
+	if (!ide_check_atapi_device(drive, DRV_NAME)) {
+		printk(KERN_ERR PFX "%s: not supported by this version of "
+		       DRV_NAME "\n", drive->name);
+		goto failed;
+	}
+	floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL);
+	if (!floppy) {
+		printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n",
+		       drive->name);
+		goto failed;
+	}
+
+	g = alloc_disk_node(1 << PARTN_BITS, hwif_to_node(drive->hwif));
+	if (!g)
+		goto out_free_floppy;
+
+	ide_init_disk(g, drive);
+
+	kref_init(&floppy->kref);
+
+	floppy->drive = drive;
+	floppy->driver = &idefloppy_driver;
+	floppy->disk = g;
+
+	g->private_data = &floppy->driver;
+
+	drive->driver_data = floppy;
+
+	drive->debug_mask = debug_mask;
+
+	ide_floppy_setup(drive);
+
+	set_capacity(g, ide_floppy_capacity(drive));
+
+	g->minors = 1 << PARTN_BITS;
+	g->driverfs_dev = &drive->gendev;
+	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
+		g->flags = GENHD_FL_REMOVABLE;
+	g->fops = &idefloppy_ops;
+	add_disk(g);
+	return 0;
+
+out_free_floppy:
+	kfree(floppy);
+failed:
+	return -ENODEV;
+}
+
+static int __init idefloppy_init(void)
+{
+	printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n");
+	return driver_register(&idefloppy_driver.gen_driver);
+}
+
+static void __exit idefloppy_exit(void)
+{
+	driver_unregister(&idefloppy_driver.gen_driver);
+}
+
+MODULE_ALIAS("ide:*m-floppy*");
+MODULE_ALIAS("ide-floppy");
+module_init(idefloppy_init);
+module_exit(idefloppy_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
-- 
GitLab


From 9a6eb74d07f9152dd0e0ea551e878e869b8d2fc1 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:13 +0200
Subject: [PATCH 0942/2224] ide: prepare for merging ide-gd-floppy.c with
 ide-gd.c

- idefloppy_ref_mutex -> ide_disk_ref_mutex
- idefloppy_cleanup_obj() -> ide_disk_release()
- ide_floppy_get() -> ide_disk_get()
- ide_floppy_put() -> ide_disk_put()
- ide_floppy_capacity() -> ide_gd_capacity()
- ide_floppy_remove() -> ide_gd_remove()
- ide_floppy_probe() -> ide_gd_probe()
- idefloppy_driver -> ide_gd_driver
- idefloppy_open() -> ide_gd_open()
- idefloppy_release() -> ide_gd_release()
- idefloppy_getgeo() -> ide_gd_getgeo()
- idefloppy_media_changed() -> ide_gd_media_changed()
- idefloppy_revalidate_disk() -> ide_gd_revalidate_disk()
- idefloppy_ops -> ide_gd_ops
- idefloppy_init() -> ide_gd_init()
- idefloppy_exit() -> ide_gd_exit()

- 'floppy' -> 'idkp' in ide_disk_*() and ide_gd_*()
- idefloppy_floppy_t -> struct ide_floppy_obj

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-floppy.h      |   2 +-
 drivers/ide/ide-floppy_proc.c |   2 +-
 drivers/ide/ide-gd-floppy.c   | 179 +++++++++++++++++-----------------
 3 files changed, 91 insertions(+), 92 deletions(-)

diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index 836a70e6e3e..b965da2f41c 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -57,7 +57,7 @@ typedef struct ide_floppy_obj {
 #define	IDEFLOPPY_IOCTL_FORMAT_START		0x4602
 #define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS	0x4603
 
-sector_t ide_floppy_capacity(ide_drive_t *);
+sector_t ide_gd_capacity(ide_drive_t *);
 
 /* ide-floppy.c */
 void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c
index 76f0c6c4eca..3ec762cb60a 100644
--- a/drivers/ide/ide-floppy_proc.c
+++ b/drivers/ide/ide-floppy_proc.c
@@ -9,7 +9,7 @@ static int proc_idefloppy_read_capacity(char *page, char **start, off_t off,
 	ide_drive_t*drive = (ide_drive_t *)data;
 	int len;
 
-	len = sprintf(page, "%llu\n", (long long)ide_floppy_capacity(drive));
+	len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive));
 	PROC_IDE_READ_RETURN(page, start, off, count, eof, len);
 }
 
diff --git a/drivers/ide/ide-gd-floppy.c b/drivers/ide/ide-gd-floppy.c
index 7afd013b4c5..98625341879 100644
--- a/drivers/ide/ide-gd-floppy.c
+++ b/drivers/ide/ide-gd-floppy.c
@@ -16,75 +16,75 @@
 static unsigned long debug_mask;
 module_param(debug_mask, ulong, 0644);
 
-static DEFINE_MUTEX(idefloppy_ref_mutex);
+static DEFINE_MUTEX(ide_disk_ref_mutex);
 
-static void idefloppy_cleanup_obj(struct kref *);
+static void ide_disk_release(struct kref *);
 
-static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk)
+static struct ide_floppy_obj *ide_disk_get(struct gendisk *disk)
 {
-	struct ide_floppy_obj *floppy = NULL;
+	struct ide_floppy_obj *idkp = NULL;
 
-	mutex_lock(&idefloppy_ref_mutex);
-	floppy = ide_drv_g(disk, ide_floppy_obj);
-	if (floppy) {
-		if (ide_device_get(floppy->drive))
-			floppy = NULL;
+	mutex_lock(&ide_disk_ref_mutex);
+	idkp = ide_drv_g(disk, ide_floppy_obj);
+	if (idkp) {
+		if (ide_device_get(idkp->drive))
+			idkp = NULL;
 		else
-			kref_get(&floppy->kref);
+			kref_get(&idkp->kref);
 	}
-	mutex_unlock(&idefloppy_ref_mutex);
-	return floppy;
+	mutex_unlock(&ide_disk_ref_mutex);
+	return idkp;
 }
 
-static void ide_floppy_put(struct ide_floppy_obj *floppy)
+static void ide_disk_put(struct ide_floppy_obj *idkp)
 {
-	ide_drive_t *drive = floppy->drive;
+	ide_drive_t *drive = idkp->drive;
 
-	mutex_lock(&idefloppy_ref_mutex);
-	kref_put(&floppy->kref, idefloppy_cleanup_obj);
+	mutex_lock(&ide_disk_ref_mutex);
+	kref_put(&idkp->kref, ide_disk_release);
 	ide_device_put(drive);
-	mutex_unlock(&idefloppy_ref_mutex);
+	mutex_unlock(&ide_disk_ref_mutex);
 }
 
-sector_t ide_floppy_capacity(ide_drive_t *drive)
+sector_t ide_gd_capacity(ide_drive_t *drive)
 {
 	return drive->capacity64;
 }
 
-static void ide_floppy_remove(ide_drive_t *drive)
+static int ide_gd_probe(ide_drive_t *);
+
+static void ide_gd_remove(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
-	struct gendisk *g = floppy->disk;
+	struct ide_floppy_obj *idkp = drive->driver_data;
+	struct gendisk *g = idkp->disk;
 
-	ide_proc_unregister_driver(drive, floppy->driver);
+	ide_proc_unregister_driver(drive, idkp->driver);
 
 	del_gendisk(g);
 
-	ide_floppy_put(floppy);
+	ide_disk_put(idkp);
 }
 
-static void idefloppy_cleanup_obj(struct kref *kref)
+static void ide_disk_release(struct kref *kref)
 {
-	struct ide_floppy_obj *floppy = to_ide_drv(kref, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
-	struct gendisk *g = floppy->disk;
+	struct ide_floppy_obj *idkp = to_ide_drv(kref, ide_floppy_obj);
+	ide_drive_t *drive = idkp->drive;
+	struct gendisk *g = idkp->disk;
 
 	drive->driver_data = NULL;
 	g->private_data = NULL;
 	put_disk(g);
-	kfree(floppy);
+	kfree(idkp);
 }
 
-static int ide_floppy_probe(ide_drive_t *);
-
-static ide_driver_t idefloppy_driver = {
+static ide_driver_t ide_gd_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
 		.name		= "ide-floppy",
 		.bus		= &ide_bus_type,
 	},
-	.probe			= ide_floppy_probe,
-	.remove			= ide_floppy_remove,
+	.probe			= ide_gd_probe,
+	.remove			= ide_gd_remove,
 	.version		= IDEFLOPPY_VERSION,
 	.do_request		= ide_floppy_do_request,
 	.end_request		= ide_floppy_end_request,
@@ -95,24 +95,24 @@ static ide_driver_t idefloppy_driver = {
 #endif
 };
 
-static int idefloppy_open(struct inode *inode, struct file *filp)
+static int ide_gd_open(struct inode *inode, struct file *filp)
 {
 	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *floppy;
+	struct ide_floppy_obj *idkp;
 	ide_drive_t *drive;
 	int ret = 0;
 
-	floppy = ide_floppy_get(disk);
-	if (!floppy)
+	idkp = ide_disk_get(disk);
+	if (idkp == NULL)
 		return -ENXIO;
 
-	drive = floppy->drive;
+	drive = idkp->drive;
 
 	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
 
-	floppy->openers++;
+	idkp->openers++;
 
-	if (floppy->openers == 1) {
+	if (idkp->openers == 1) {
 		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 		/* Just in case */
 
@@ -121,7 +121,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 
 		ret = ide_floppy_get_capacity(drive);
 
-		set_capacity(disk, ide_floppy_capacity(drive));
+		set_capacity(disk, ide_gd_capacity(drive));
 
 		if (ret && (filp->f_flags & O_NDELAY) == 0) {
 		    /*
@@ -130,12 +130,12 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 		     * of the drive or begin the format - Sam
 		     */
 			ret = -EIO;
-			goto out_put_floppy;
+			goto out_put_idkp;
 		}
 
 		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
 			ret = -EROFS;
-			goto out_put_floppy;
+			goto out_put_idkp;
 		}
 
 		ide_set_media_lock(drive, disk, 1);
@@ -143,41 +143,40 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 		check_disk_change(inode->i_bdev);
 	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
 		ret = -EBUSY;
-		goto out_put_floppy;
+		goto out_put_idkp;
 	}
 	return 0;
 
-out_put_floppy:
-	floppy->openers--;
-	ide_floppy_put(floppy);
+out_put_idkp:
+	idkp->openers--;
+	ide_disk_put(idkp);
 	return ret;
 }
 
-static int idefloppy_release(struct inode *inode, struct file *filp)
+static int ide_gd_release(struct inode *inode, struct file *filp)
 {
 	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
+	struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj);
+	ide_drive_t *drive = idkp->drive;
 
 	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
 
-	if (floppy->openers == 1) {
+	if (idkp->openers == 1) {
 		ide_set_media_lock(drive, disk, 0);
 		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
 	}
 
-	floppy->openers--;
+	idkp->openers--;
 
-	ide_floppy_put(floppy);
+	ide_disk_put(idkp);
 
 	return 0;
 }
 
-static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
+static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 {
-	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
-						     ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
+	struct ide_floppy_obj *idkp = ide_drv_g(bdev->bd_disk, ide_floppy_obj);
+	ide_drive_t *drive = idkp->drive;
 
 	geo->heads = drive->bios_head;
 	geo->sectors = drive->bios_sect;
@@ -185,10 +184,10 @@ static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int idefloppy_media_changed(struct gendisk *disk)
+static int ide_gd_media_changed(struct gendisk *disk)
 {
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
+	struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj);
+	ide_drive_t *drive = idkp->drive;
 	int ret;
 
 	/* do not scan partitions twice if this is a removable device */
@@ -203,26 +202,26 @@ static int idefloppy_media_changed(struct gendisk *disk)
 	return ret;
 }
 
-static int idefloppy_revalidate_disk(struct gendisk *disk)
+static int ide_gd_revalidate_disk(struct gendisk *disk)
 {
-	struct ide_floppy_obj *floppy = ide_drv_g(disk, ide_floppy_obj);
-	set_capacity(disk, ide_floppy_capacity(floppy->drive));
+	struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj);
+	set_capacity(disk, ide_gd_capacity(idkp->drive));
 	return 0;
 }
 
-static struct block_device_operations idefloppy_ops = {
+static struct block_device_operations ide_gd_ops = {
 	.owner			= THIS_MODULE,
-	.open			= idefloppy_open,
-	.release		= idefloppy_release,
+	.open			= ide_gd_open,
+	.release		= ide_gd_release,
 	.ioctl			= ide_floppy_ioctl,
-	.getgeo			= idefloppy_getgeo,
-	.media_changed		= idefloppy_media_changed,
-	.revalidate_disk	= idefloppy_revalidate_disk
+	.getgeo			= ide_gd_getgeo,
+	.media_changed		= ide_gd_media_changed,
+	.revalidate_disk	= ide_gd_revalidate_disk
 };
 
-static int ide_floppy_probe(ide_drive_t *drive)
+static int ide_gd_probe(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy;
+	struct ide_floppy_obj *idkp;
 	struct gendisk *g;
 
 	if (!strstr("ide-floppy", drive->driver_req))
@@ -236,8 +235,8 @@ static int ide_floppy_probe(ide_drive_t *drive)
 		       DRV_NAME "\n", drive->name);
 		goto failed;
 	}
-	floppy = kzalloc(sizeof(idefloppy_floppy_t), GFP_KERNEL);
-	if (!floppy) {
+	idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
+	if (!idkp) {
 		printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n",
 		       drive->name);
 		goto failed;
@@ -245,54 +244,54 @@ static int ide_floppy_probe(ide_drive_t *drive)
 
 	g = alloc_disk_node(1 << PARTN_BITS, hwif_to_node(drive->hwif));
 	if (!g)
-		goto out_free_floppy;
+		goto out_free_idkp;
 
 	ide_init_disk(g, drive);
 
-	kref_init(&floppy->kref);
+	kref_init(&idkp->kref);
 
-	floppy->drive = drive;
-	floppy->driver = &idefloppy_driver;
-	floppy->disk = g;
+	idkp->drive = drive;
+	idkp->driver = &ide_gd_driver;
+	idkp->disk = g;
 
-	g->private_data = &floppy->driver;
+	g->private_data = &idkp->driver;
 
-	drive->driver_data = floppy;
+	drive->driver_data = idkp;
 
 	drive->debug_mask = debug_mask;
 
 	ide_floppy_setup(drive);
 
-	set_capacity(g, ide_floppy_capacity(drive));
+	set_capacity(g, ide_gd_capacity(drive));
 
 	g->minors = 1 << PARTN_BITS;
 	g->driverfs_dev = &drive->gendev;
 	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
 		g->flags = GENHD_FL_REMOVABLE;
-	g->fops = &idefloppy_ops;
+	g->fops = &ide_gd_ops;
 	add_disk(g);
 	return 0;
 
-out_free_floppy:
-	kfree(floppy);
+out_free_idkp:
+	kfree(idkp);
 failed:
 	return -ENODEV;
 }
 
-static int __init idefloppy_init(void)
+static int __init ide_gd_init(void)
 {
 	printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n");
-	return driver_register(&idefloppy_driver.gen_driver);
+	return driver_register(&ide_gd_driver.gen_driver);
 }
 
-static void __exit idefloppy_exit(void)
+static void __exit ide_gd_exit(void)
 {
-	driver_unregister(&idefloppy_driver.gen_driver);
+	driver_unregister(&ide_gd_driver.gen_driver);
 }
 
 MODULE_ALIAS("ide:*m-floppy*");
 MODULE_ALIAS("ide-floppy");
-module_init(idefloppy_init);
-module_exit(idefloppy_exit);
+module_init(ide_gd_init);
+module_exit(ide_gd_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
-- 
GitLab


From 79cb380397c834a35952d8497651d93b543ef968 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:13 +0200
Subject: [PATCH 0943/2224] ide: allow device drivers to specify per-device
 type /proc settings

Turn ide_driver_t's 'proc' field into ->proc_entries method
(and also 'settings' field into ->proc_devsets method).  Then
update all device drivers accordingly.

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-cd.c        | 14 ++++++++++++--
 drivers/ide/ide-gd-floppy.c | 16 ++++++++++++++--
 drivers/ide/ide-gd.c        | 16 ++++++++++++++--
 drivers/ide/ide-proc.c      |  6 +++---
 drivers/ide/ide-tape.c      | 14 ++++++++++++--
 drivers/scsi/ide-scsi.c     | 26 +++++++++++++++++---------
 include/linux/ide.h         |  4 ++--
 7 files changed, 74 insertions(+), 22 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 2f4cc10391e..32073666b9c 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1908,6 +1908,16 @@ static const struct ide_proc_devset idecd_settings[] = {
 	IDE_PROC_DEVSET(dsc_overlap, 0, 1),
 	{ 0 },
 };
+
+static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)
+{
+	return idecd_proc;
+}
+
+static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)
+{
+	return idecd_settings;
+}
 #endif
 
 static const struct cd_list_entry ide_cd_quirks_list[] = {
@@ -2069,8 +2079,8 @@ static ide_driver_t ide_cdrom_driver = {
 	.end_request		= ide_end_request,
 	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= idecd_proc,
-	.settings		= idecd_settings,
+	.proc_entries		= ide_cd_proc_entries,
+	.proc_devsets		= ide_cd_proc_devsets,
 #endif
 };
 
diff --git a/drivers/ide/ide-gd-floppy.c b/drivers/ide/ide-gd-floppy.c
index 98625341879..082800b9a55 100644
--- a/drivers/ide/ide-gd-floppy.c
+++ b/drivers/ide/ide-gd-floppy.c
@@ -77,6 +77,18 @@ static void ide_disk_release(struct kref *kref)
 	kfree(idkp);
 }
 
+#ifdef CONFIG_IDE_PROC_FS
+static ide_proc_entry_t *ide_floppy_proc_entries(ide_drive_t *drive)
+{
+	return ide_floppy_proc;
+}
+
+static const struct ide_proc_devset *ide_floppy_proc_devsets(ide_drive_t *drive)
+{
+	return ide_floppy_settings;
+}
+#endif
+
 static ide_driver_t ide_gd_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
@@ -90,8 +102,8 @@ static ide_driver_t ide_gd_driver = {
 	.end_request		= ide_floppy_end_request,
 	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= ide_floppy_proc,
-	.settings		= ide_floppy_settings,
+	.proc_entries		= ide_floppy_proc_entries,
+	.proc_devsets		= ide_floppy_proc_devsets,
 #endif
 };
 
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index c08500270b9..a3d4ad7db2a 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -119,6 +119,18 @@ static void ide_gd_shutdown(ide_drive_t *drive)
 	drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
 }
 
+#ifdef CONFIG_IDE_PROC_FS
+static ide_proc_entry_t *ide_disk_proc_entries(ide_drive_t *drive)
+{
+	return ide_disk_proc;
+}
+
+static const struct ide_proc_devset *ide_disk_proc_devsets(ide_drive_t *drive)
+{
+	return ide_disk_settings;
+}
+#endif
+
 static ide_driver_t ide_gd_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
@@ -134,8 +146,8 @@ static ide_driver_t ide_gd_driver = {
 	.end_request		= ide_end_request,
 	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= ide_disk_proc,
-	.settings		= ide_disk_settings,
+	.proc_entries		= ide_disk_proc_entries,
+	.proc_devsets		= ide_disk_proc_devsets,
 #endif
 };
 
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index b26926487cc..c31d0dd7a53 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -567,10 +567,10 @@ static void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t
 void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver)
 {
 	mutex_lock(&ide_setting_mtx);
-	drive->settings = driver->settings;
+	drive->settings = driver->proc_devsets(drive);
 	mutex_unlock(&ide_setting_mtx);
 
-	ide_add_proc_entries(drive->proc, driver->proc, drive);
+	ide_add_proc_entries(drive->proc, driver->proc_entries(drive), drive);
 }
 
 EXPORT_SYMBOL(ide_proc_register_driver);
@@ -591,7 +591,7 @@ void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
 {
 	unsigned long flags;
 
-	ide_remove_proc_entries(drive->proc, driver->proc);
+	ide_remove_proc_entries(drive->proc, driver->proc_entries(drive));
 
 	mutex_lock(&ide_setting_mtx);
 	spin_lock_irqsave(&ide_lock, flags);
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index a99e28f4515..b2b2e5e8d38 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2298,6 +2298,16 @@ static ide_proc_entry_t idetape_proc[] = {
 	{ "name",	S_IFREG|S_IRUGO,	proc_idetape_read_name,	NULL },
 	{ NULL, 0, NULL, NULL }
 };
+
+static ide_proc_entry_t *ide_tape_proc_entries(ide_drive_t *drive)
+{
+	return idetape_proc;
+}
+
+static const struct ide_proc_devset *ide_tape_proc_devsets(ide_drive_t *drive)
+{
+	return idetape_settings;
+}
 #endif
 
 static int ide_tape_probe(ide_drive_t *);
@@ -2315,8 +2325,8 @@ static ide_driver_t idetape_driver = {
 	.end_request		= idetape_end_request,
 	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= idetape_proc,
-	.settings		= idetape_settings,
+	.proc_entries		= ide_tape_proc_entries,
+	.proc_devsets		= ide_tape_proc_devsets,
 #endif
 };
 
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 740bad43599..afc96e844a2 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -343,6 +343,11 @@ static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *r
 }
 
 #ifdef CONFIG_IDE_PROC_FS
+static ide_proc_entry_t idescsi_proc[] = {
+	{ "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
+	{ NULL, 0, NULL, NULL }
+};
+
 #define ide_scsi_devset_get(name, field) \
 static int get_##name(ide_drive_t *drive) \
 { \
@@ -378,6 +383,16 @@ static const struct ide_proc_devset idescsi_settings[] = {
 	IDE_PROC_DEVSET(transform, 0,	 3),
 	{ 0 },
 };
+
+static ide_proc_entry_t *ide_scsi_proc_entries(ide_drive_t *drive)
+{
+	return idescsi_proc;
+}
+
+static const struct ide_proc_devset *ide_scsi_proc_devsets(ide_drive_t *drive)
+{
+	return idescsi_settings;
+}
 #endif
 
 /*
@@ -419,13 +434,6 @@ static void ide_scsi_remove(ide_drive_t *drive)
 
 static int ide_scsi_probe(ide_drive_t *);
 
-#ifdef CONFIG_IDE_PROC_FS
-static ide_proc_entry_t idescsi_proc[] = {
-	{ "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
-	{ NULL, 0, NULL, NULL }
-};
-#endif
-
 static ide_driver_t idescsi_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
@@ -439,8 +447,8 @@ static ide_driver_t idescsi_driver = {
 	.end_request		= idescsi_end_request,
 	.error                  = idescsi_atapi_error,
 #ifdef CONFIG_IDE_PROC_FS
-	.proc			= idescsi_proc,
-	.settings		= idescsi_settings,
+	.proc_entries		= ide_scsi_proc_entries,
+	.proc_devsets		= ide_scsi_proc_devsets,
 #endif
 };
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index ba51a93fa54..488808891ac 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1120,8 +1120,8 @@ struct ide_driver_s {
 	void		(*resume)(ide_drive_t *);
 	void		(*shutdown)(ide_drive_t *);
 #ifdef CONFIG_IDE_PROC_FS
-	ide_proc_entry_t		*proc;
-	const struct ide_proc_devset	*settings;
+	ide_proc_entry_t *		(*proc_entries)(ide_drive_t *);
+	const struct ide_proc_devset *	(*proc_devsets)(ide_drive_t *);
 #endif
 };
 
-- 
GitLab


From 806f80a6fc203ad0bde84e5a9e94572617d2ae45 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:14 +0200
Subject: [PATCH 0944/2224] ide: add generic ATA/ATAPI disk driver

* Add struct ide_disk_ops containing protocol specific methods.

* Add 'struct ide_disk_ops *' to ide_drive_t.

* Convert ide-{disk,floppy} drivers to use struct ide_disk_ops.

* Merge ide-{disk,floppy} drivers into generic ide-gd driver.

While at it:
- ide_disk_init_capacity() -> ide_disk_get_capacity()

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Kconfig            |  64 ++++---
 drivers/ide/Makefile           |  19 +-
 drivers/ide/ide-disk.c         |  39 ++++-
 drivers/ide/ide-disk.h         |  24 +--
 drivers/ide/ide-disk_ioctl.c   |   4 +-
 drivers/ide/ide-floppy.c       |  45 ++++-
 drivers/ide/ide-floppy.h       |  58 ++-----
 drivers/ide/ide-floppy_ioctl.c |   9 +-
 drivers/ide/ide-gd-floppy.c    | 309 ---------------------------------
 drivers/ide/ide-gd.c           | 122 +++++++++++--
 drivers/ide/ide-gd.h           |  44 +++++
 drivers/leds/Kconfig           |   2 +-
 include/linux/ide.h            |  19 ++
 13 files changed, 303 insertions(+), 455 deletions(-)
 delete mode 100644 drivers/ide/ide-gd-floppy.c
 create mode 100644 drivers/ide/ide-gd.h

diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 74a369a6116..faa974e615d 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -84,21 +84,40 @@ config BLK_DEV_IDE_SATA
 
 	  If unsure, say N.
 
-config BLK_DEV_IDEDISK
-	tristate "Include IDE/ATA-2 DISK support"
-	---help---
-	  This will include enhanced support for MFM/RLL/IDE hard disks.  If
-	  you have a MFM/RLL/IDE disk, and there is no special reason to use
-	  the old hard disk driver instead, say Y.  If you have an SCSI-only
-	  system, you can say N here.
+config IDE_GD
+	tristate "generic ATA/ATAPI disk support"
+	default y
+	help
+	  Support for ATA/ATAPI disks (including ATAPI floppy drives).
 
-	  To compile this driver as a module, choose M here: the
-	  module will be called ide-disk.
-	  Do not compile this driver as a module if your root file system
-	  (the one containing the directory /) is located on the IDE disk.
+	  To compile this driver as a module, choose M here.
+	  The module will be called ide-gd_mod.
 
 	  If unsure, say Y.
 
+config IDE_GD_ATA
+	bool "ATA disk support"
+	depends on IDE_GD
+	default y
+	help
+	  This will include support for ATA hard disks.
+
+	  If unsure, say Y.
+
+config IDE_GD_ATAPI
+	bool "ATAPI floppy support"
+	depends on IDE_GD
+	select IDE_ATAPI
+	help
+	  This will include support for ATAPI floppy drives
+	  (i.e. Iomega ZIP or MKE LS-120).
+
+	  For information about jumper settings and the question
+	  of when a ZIP drive uses a partition table, see
+	  <http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
+
+	  If unsure, say N.
+
 config BLK_DEV_IDECS
 	tristate "PCMCIA IDE support"
 	depends on PCMCIA
@@ -163,29 +182,6 @@ config BLK_DEV_IDETAPE
 	  To compile this driver as a module, choose M here: the
 	  module will be called ide-tape.
 
-config BLK_DEV_IDEFLOPPY
-	tristate "Include IDE/ATAPI FLOPPY support"
-	select IDE_ATAPI
-	---help---
-	  If you have an IDE floppy drive which uses the ATAPI protocol,
-	  answer Y.  ATAPI is a newer protocol used by IDE CD-ROM/tape/floppy
-	  drives, similar to the SCSI protocol.
-
-	  The LS-120 and the IDE/ATAPI Iomega ZIP drive are also supported by
-	  this driver. For information about jumper settings and the question
-	  of when a ZIP drive uses a partition table, see
-	  <http://www.win.tue.nl/~aeb/linux/zip/zip-1.html>.
-	  (ATAPI PD-CD/CDR drives are not supported by this driver; support
-	  for PD-CD/CDR drives is available if you answer Y to
-	  "SCSI emulation support", below).
-
-	  If you say Y here, the FLOPPY drive will be identified along with
-	  other IDE devices, as "hdb" or "hdc", or something similar (check
-	  the boot messages with dmesg).
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called ide-floppy.
-
 config BLK_DEV_IDESCSI
 	tristate "SCSI emulation support (DEPRECATED)"
 	depends on SCSI
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 7eeeab59795..093d3248ca8 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -37,18 +37,25 @@ obj-$(CONFIG_IDE_H8300)			+= h8300/
 obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o
 obj-$(CONFIG_BLK_DEV_IDEPNP)		+= ide-pnp.o
 
-ide-disk_mod-y += ide-gd.o ide-disk.o ide-disk_ioctl.o
+ide-gd_mod-y += ide-gd.o
 ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
-ide-floppy_mod-y += ide-gd-floppy.o ide-floppy.o ide-floppy_ioctl.o
 
+ifeq ($(CONFIG_IDE_GD_ATA), y)
+	ide-gd_mod-y += ide-disk.o ide-disk_ioctl.o
 ifeq ($(CONFIG_IDE_PROC_FS), y)
-	ide-disk_mod-y += ide-disk_proc.o
-	ide-floppy_mod-y += ide-floppy_proc.o
+	ide-gd_mod-y += ide-disk_proc.o
+endif
+endif
+
+ifeq ($(CONFIG_IDE_GD_ATAPI), y)
+	ide-gd_mod-y += ide-floppy.o ide-floppy_ioctl.o
+ifeq ($(CONFIG_IDE_PROC_FS), y)
+	ide-gd_mod-y += ide-floppy_proc.o
+endif
 endif
 
-obj-$(CONFIG_BLK_DEV_IDEDISK)		+= ide-disk_mod.o
+obj-$(CONFIG_IDE_GD)			+= ide-gd_mod.o
 obj-$(CONFIG_BLK_DEV_IDECD)		+= ide-cd_mod.o
-obj-$(CONFIG_BLK_DEV_IDEFLOPPY)		+= ide-floppy_mod.o
 obj-$(CONFIG_BLK_DEV_IDETAPE)		+= ide-tape.o
 
 ifeq ($(CONFIG_BLK_DEV_IDECS), y)
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 751be7af22c..223750c1b5a 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -184,8 +184,8 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
  * 1073741822 == 549756 MB or 48bit addressing fake drive
  */
 
-ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
-			       sector_t block)
+static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
+				      sector_t block)
 {
 	ide_hwif_t *hwif = HWIF(drive);
 
@@ -333,7 +333,7 @@ static void idedisk_check_hpa(ide_drive_t *drive)
 	}
 }
 
-void ide_disk_init_capacity(ide_drive_t *drive)
+static int ide_disk_get_capacity(ide_drive_t *drive)
 {
 	u16 *id = drive->id;
 	int lba;
@@ -382,6 +382,8 @@ void ide_disk_init_capacity(ide_drive_t *drive)
 		} else
 			drive->dev_flags &= ~IDE_DFLAG_LBA48;
 	}
+
+	return 0;
 }
 
 static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
@@ -590,7 +592,12 @@ ide_ext_devset_rw(wcache, wcache);
 
 ide_ext_devset_rw_sync(nowerr, nowerr);
 
-void ide_disk_setup(ide_drive_t *drive)
+static int ide_disk_check(ide_drive_t *drive, const char *s)
+{
+	return 1;
+}
+
+static void ide_disk_setup(ide_drive_t *drive)
 {
 	struct ide_disk_obj *idkp = drive->driver_data;
 	ide_hwif_t *hwif = drive->hwif;
@@ -626,7 +633,7 @@ void ide_disk_setup(ide_drive_t *drive)
 			 drive->queue->max_sectors / 2);
 
 	/* calculate drive capacity, and select LBA if possible */
-	ide_disk_init_capacity(drive);
+	ide_disk_get_capacity(drive);
 
 	/*
 	 * if possible, give fdisk access to more of the drive,
@@ -682,7 +689,7 @@ void ide_disk_setup(ide_drive_t *drive)
 		drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
 
-void ide_disk_flush(ide_drive_t *drive)
+static void ide_disk_flush(ide_drive_t *drive)
 {
 	if (ata_id_flush_enabled(drive->id) == 0 ||
 	    (drive->dev_flags & IDE_DFLAG_WCACHE) == 0)
@@ -692,7 +699,13 @@ void ide_disk_flush(ide_drive_t *drive)
 		printk(KERN_INFO "%s: wcache flush failed!\n", drive->name);
 }
 
-int ide_disk_set_doorlock(ide_drive_t *drive, int on)
+static int ide_disk_init_media(ide_drive_t *drive, struct gendisk *disk)
+{
+	return 0;
+}
+
+static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk,
+				 int on)
 {
 	ide_task_t task;
 	int ret;
@@ -711,3 +724,15 @@ int ide_disk_set_doorlock(ide_drive_t *drive, int on)
 
 	return ret;
 }
+
+const struct ide_disk_ops ide_ata_disk_ops = {
+	.check		= ide_disk_check,
+	.get_capacity	= ide_disk_get_capacity,
+	.setup		= ide_disk_setup,
+	.flush		= ide_disk_flush,
+	.init_media	= ide_disk_init_media,
+	.set_doorlock	= ide_disk_set_doorlock,
+	.do_request	= ide_do_rw_disk,
+	.end_request	= ide_end_request,
+	.ioctl		= ide_disk_ioctl,
+};
diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h
index 104ad71288a..b234b0feaf7 100644
--- a/drivers/ide/ide-disk.h
+++ b/drivers/ide/ide-disk.h
@@ -1,22 +1,11 @@
 #ifndef __IDE_DISK_H
 #define __IDE_DISK_H
 
-struct ide_disk_obj {
-	ide_drive_t	*drive;
-	ide_driver_t	*driver;
-	struct gendisk	*disk;
-	struct kref	kref;
-	unsigned int	openers;	/* protected by BKL for now */
-};
-
-sector_t ide_gd_capacity(ide_drive_t *);
+#include "ide-gd.h"
 
+#ifdef CONFIG_IDE_GD_ATA
 /* ide-disk.c */
-void ide_disk_init_capacity(ide_drive_t *);
-void ide_disk_setup(ide_drive_t *);
-void ide_disk_flush(ide_drive_t *);
-int ide_disk_set_doorlock(ide_drive_t *, int);
-ide_startstop_t ide_do_rw_disk(ide_drive_t *, struct request *, sector_t);
+extern const struct ide_disk_ops ide_ata_disk_ops;
 ide_decl_devset(address);
 ide_decl_devset(multcount);
 ide_decl_devset(nowerr);
@@ -24,12 +13,17 @@ ide_decl_devset(wcache);
 ide_decl_devset(acoustic);
 
 /* ide-disk_ioctl.c */
-int ide_disk_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+int ide_disk_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
+		   unsigned long);
 
 #ifdef CONFIG_IDE_PROC_FS
 /* ide-disk_proc.c */
 extern ide_proc_entry_t ide_disk_proc[];
 extern const struct ide_proc_devset ide_disk_settings[];
 #endif
+#else
+#define ide_disk_proc		NULL
+#define ide_disk_settings	NULL
+#endif
 
 #endif /* __IDE_DISK_H */
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index e6624eda9e6..a49698bcf96 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -13,12 +13,10 @@ static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
 { 0 }
 };
 
-int ide_disk_ioctl(struct inode *inode, struct file *file,
+int ide_disk_ioctl(ide_drive_t *drive, struct inode *inode, struct file *file,
 		   unsigned int cmd, unsigned long arg)
 {
 	struct block_device *bdev = inode->i_bdev;
-	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
-	ide_drive_t *drive = idkp->drive;
 	int err;
 
 	err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 802e0968e32..58746c748c1 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -68,7 +68,7 @@
  * Used to finish servicing a request. For read/write requests, we will call
  * ide_end_request to pass to the next buffer.
  */
-int ide_floppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
+static int ide_floppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
 {
 	idefloppy_floppy_t *floppy = drive->driver_data;
 	struct request *rq = HWGROUP(drive)->rq;
@@ -280,13 +280,12 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
 	pc->req_xfer = pc->buf_size = rq->data_len;
 }
 
-ide_startstop_t ide_floppy_do_request(ide_drive_t *drive, struct request *rq,
-				      sector_t block_s)
+static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
+					     struct request *rq, sector_t block)
 {
 	idefloppy_floppy_t *floppy = drive->driver_data;
 	ide_hwif_t *hwif = drive->hwif;
 	struct ide_atapi_pc *pc;
-	unsigned long block = (unsigned long)block_s;
 
 	ide_debug_log(IDE_DBG_FUNC, "%s: dev: %s, cmd: 0x%x, cmd_type: %x, "
 		      "errors: %d\n",
@@ -316,7 +315,7 @@ ide_startstop_t ide_floppy_do_request(ide_drive_t *drive, struct request *rq,
 			return ide_stopped;
 		}
 		pc = &floppy->queued_pc;
-		idefloppy_create_rw_cmd(drive, pc, rq, block);
+		idefloppy_create_rw_cmd(drive, pc, rq, (unsigned long)block);
 	} else if (blk_special_request(rq)) {
 		pc = (struct ide_atapi_pc *) rq->buffer;
 	} else if (blk_pc_request(rq)) {
@@ -406,7 +405,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
  * Determine if a media is present in the floppy drive, and if so, its LBA
  * capacity.
  */
-int ide_floppy_get_capacity(ide_drive_t *drive)
+static int ide_floppy_get_capacity(ide_drive_t *drive)
 {
 	idefloppy_floppy_t *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
@@ -505,9 +504,9 @@ int ide_floppy_get_capacity(ide_drive_t *drive)
 	return rc;
 }
 
-void ide_floppy_setup(ide_drive_t *drive)
+static void ide_floppy_setup(ide_drive_t *drive)
 {
-	struct ide_floppy_obj *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	u16 *id = drive->id;
 
 	drive->pc_callback	 = ide_floppy_callback;
@@ -547,3 +546,33 @@ void ide_floppy_setup(ide_drive_t *drive)
 
 	drive->dev_flags |= IDE_DFLAG_ATTACH;
 }
+
+static void ide_floppy_flush(ide_drive_t *drive)
+{
+}
+
+static int ide_floppy_init_media(ide_drive_t *drive, struct gendisk *disk)
+{
+	int ret = 0;
+
+	if (ide_do_test_unit_ready(drive, disk))
+		ide_do_start_stop(drive, disk, 1);
+
+	ret = ide_floppy_get_capacity(drive);
+
+	set_capacity(disk, ide_gd_capacity(drive));
+
+	return ret;
+}
+
+const struct ide_disk_ops ide_atapi_disk_ops = {
+	.check		= ide_check_atapi_device,
+	.get_capacity	= ide_floppy_get_capacity,
+	.setup		= ide_floppy_setup,
+	.flush		= ide_floppy_flush,
+	.init_media	= ide_floppy_init_media,
+	.set_doorlock	= ide_set_media_lock,
+	.do_request	= ide_floppy_do_request,
+	.end_request	= ide_floppy_end_request,
+	.ioctl		= ide_floppy_ioctl,
+};
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index b965da2f41c..acebc8c5a82 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -1,48 +1,10 @@
 #ifndef __IDE_FLOPPY_H
 #define __IDE_FLOPPY_H
 
-#define DRV_NAME "ide-floppy"
-#define PFX DRV_NAME ": "
+#include "ide-gd.h"
 
-/* define to see debug info */
-#define IDEFLOPPY_DEBUG_LOG	0
-
-#if IDEFLOPPY_DEBUG_LOG
-#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
-#else
-#define ide_debug_log(lvl, fmt, args...) do {} while (0)
-#endif
-
-/*
- * Most of our global data which we need to save even as we leave the driver
- * due to an interrupt or a timer event is stored in a variable of type
- * idefloppy_floppy_t, defined below.
- */
-typedef struct ide_floppy_obj {
-	ide_drive_t	*drive;
-	ide_driver_t	*driver;
-	struct gendisk	*disk;
-	struct kref	kref;
-	unsigned int	openers;	/* protected by BKL for now */
-
-	/* Last failed packet command */
-	struct ide_atapi_pc *failed_pc;
-	/* used for blk_{fs,pc}_request() requests */
-	struct ide_atapi_pc queued_pc;
-
-	/* Last error information */
-	u8 sense_key, asc, ascq;
-
-	int progress_indication;
-
-	/* Device information */
-	/* Current format */
-	int blocks, block_size, bs_factor;
-	/* Last format capacity descriptor */
-	u8 cap_desc[8];
-	/* Copy of the flexible disk page */
-	u8 flexible_disk_page[32];
-} idefloppy_floppy_t;
+#ifdef CONFIG_IDE_GD_ATAPI
+typedef struct ide_disk_obj idefloppy_floppy_t;
 
 /*
  * Pages of the SELECT SENSE / MODE SENSE packet commands.
@@ -57,23 +19,23 @@ typedef struct ide_floppy_obj {
 #define	IDEFLOPPY_IOCTL_FORMAT_START		0x4602
 #define IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS	0x4603
 
-sector_t ide_gd_capacity(ide_drive_t *);
-
 /* ide-floppy.c */
+extern const struct ide_disk_ops ide_atapi_disk_ops;
 void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
 void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
-int ide_floppy_get_capacity(ide_drive_t *);
-void ide_floppy_setup(ide_drive_t *);
-ide_startstop_t ide_floppy_do_request(ide_drive_t *, struct request *, sector_t);
-int ide_floppy_end_request(ide_drive_t *, int, int);
 
 /* ide-floppy_ioctl.c */
-int ide_floppy_ioctl(struct inode *, struct file *, unsigned, unsigned long);
+int ide_floppy_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
+		     unsigned long);
 
 #ifdef CONFIG_IDE_PROC_FS
 /* ide-floppy_proc.c */
 extern ide_proc_entry_t ide_floppy_proc[];
 extern const struct ide_proc_devset ide_floppy_settings[];
 #endif
+#else
+#define ide_floppy_proc		NULL
+#define ide_floppy_settings	NULL
+#endif
 
 #endif /*__IDE_FLOPPY_H */
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index b1f391df6cc..e8aa0a5bf5d 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -33,7 +33,7 @@
 
 static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
 {
-	struct ide_floppy_obj *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 	u8 header_len, desc_cnt;
 	int i, blocks, length, u_array_size, u_index;
@@ -260,13 +260,10 @@ static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
 	}
 }
 
-int ide_floppy_ioctl(struct inode *inode, struct file *file,
-		    unsigned int cmd, unsigned long arg)
+int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
+		     struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct block_device *bdev = inode->i_bdev;
-	struct ide_floppy_obj *floppy = ide_drv_g(bdev->bd_disk,
-						     ide_floppy_obj);
-	ide_drive_t *drive = floppy->drive;
 	struct ide_atapi_pc pc;
 	void __user *argp = (void __user *)arg;
 	int err;
diff --git a/drivers/ide/ide-gd-floppy.c b/drivers/ide/ide-gd-floppy.c
deleted file mode 100644
index 082800b9a55..00000000000
--- a/drivers/ide/ide-gd-floppy.c
+++ /dev/null
@@ -1,309 +0,0 @@
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/genhd.h>
-#include <linux/mutex.h>
-#include <linux/ide.h>
-#include <linux/hdreg.h>
-
-#include "ide-floppy.h"
-
-#define IDEFLOPPY_VERSION "1.00"
-
-/* module parameters */
-static unsigned long debug_mask;
-module_param(debug_mask, ulong, 0644);
-
-static DEFINE_MUTEX(ide_disk_ref_mutex);
-
-static void ide_disk_release(struct kref *);
-
-static struct ide_floppy_obj *ide_disk_get(struct gendisk *disk)
-{
-	struct ide_floppy_obj *idkp = NULL;
-
-	mutex_lock(&ide_disk_ref_mutex);
-	idkp = ide_drv_g(disk, ide_floppy_obj);
-	if (idkp) {
-		if (ide_device_get(idkp->drive))
-			idkp = NULL;
-		else
-			kref_get(&idkp->kref);
-	}
-	mutex_unlock(&ide_disk_ref_mutex);
-	return idkp;
-}
-
-static void ide_disk_put(struct ide_floppy_obj *idkp)
-{
-	ide_drive_t *drive = idkp->drive;
-
-	mutex_lock(&ide_disk_ref_mutex);
-	kref_put(&idkp->kref, ide_disk_release);
-	ide_device_put(drive);
-	mutex_unlock(&ide_disk_ref_mutex);
-}
-
-sector_t ide_gd_capacity(ide_drive_t *drive)
-{
-	return drive->capacity64;
-}
-
-static int ide_gd_probe(ide_drive_t *);
-
-static void ide_gd_remove(ide_drive_t *drive)
-{
-	struct ide_floppy_obj *idkp = drive->driver_data;
-	struct gendisk *g = idkp->disk;
-
-	ide_proc_unregister_driver(drive, idkp->driver);
-
-	del_gendisk(g);
-
-	ide_disk_put(idkp);
-}
-
-static void ide_disk_release(struct kref *kref)
-{
-	struct ide_floppy_obj *idkp = to_ide_drv(kref, ide_floppy_obj);
-	ide_drive_t *drive = idkp->drive;
-	struct gendisk *g = idkp->disk;
-
-	drive->driver_data = NULL;
-	g->private_data = NULL;
-	put_disk(g);
-	kfree(idkp);
-}
-
-#ifdef CONFIG_IDE_PROC_FS
-static ide_proc_entry_t *ide_floppy_proc_entries(ide_drive_t *drive)
-{
-	return ide_floppy_proc;
-}
-
-static const struct ide_proc_devset *ide_floppy_proc_devsets(ide_drive_t *drive)
-{
-	return ide_floppy_settings;
-}
-#endif
-
-static ide_driver_t ide_gd_driver = {
-	.gen_driver = {
-		.owner		= THIS_MODULE,
-		.name		= "ide-floppy",
-		.bus		= &ide_bus_type,
-	},
-	.probe			= ide_gd_probe,
-	.remove			= ide_gd_remove,
-	.version		= IDEFLOPPY_VERSION,
-	.do_request		= ide_floppy_do_request,
-	.end_request		= ide_floppy_end_request,
-	.error			= __ide_error,
-#ifdef CONFIG_IDE_PROC_FS
-	.proc_entries		= ide_floppy_proc_entries,
-	.proc_devsets		= ide_floppy_proc_devsets,
-#endif
-};
-
-static int ide_gd_open(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *idkp;
-	ide_drive_t *drive;
-	int ret = 0;
-
-	idkp = ide_disk_get(disk);
-	if (idkp == NULL)
-		return -ENXIO;
-
-	drive = idkp->drive;
-
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
-	idkp->openers++;
-
-	if (idkp->openers == 1) {
-		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
-		/* Just in case */
-
-		if (ide_do_test_unit_ready(drive, disk))
-			ide_do_start_stop(drive, disk, 1);
-
-		ret = ide_floppy_get_capacity(drive);
-
-		set_capacity(disk, ide_gd_capacity(drive));
-
-		if (ret && (filp->f_flags & O_NDELAY) == 0) {
-		    /*
-		     * Allow O_NDELAY to open a drive without a disk, or with an
-		     * unreadable disk, so that we can get the format capacity
-		     * of the drive or begin the format - Sam
-		     */
-			ret = -EIO;
-			goto out_put_idkp;
-		}
-
-		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
-			ret = -EROFS;
-			goto out_put_idkp;
-		}
-
-		ide_set_media_lock(drive, disk, 1);
-		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
-		check_disk_change(inode->i_bdev);
-	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
-		ret = -EBUSY;
-		goto out_put_idkp;
-	}
-	return 0;
-
-out_put_idkp:
-	idkp->openers--;
-	ide_disk_put(idkp);
-	return ret;
-}
-
-static int ide_gd_release(struct inode *inode, struct file *filp)
-{
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = idkp->drive;
-
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
-
-	if (idkp->openers == 1) {
-		ide_set_media_lock(drive, disk, 0);
-		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
-	}
-
-	idkp->openers--;
-
-	ide_disk_put(idkp);
-
-	return 0;
-}
-
-static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
-{
-	struct ide_floppy_obj *idkp = ide_drv_g(bdev->bd_disk, ide_floppy_obj);
-	ide_drive_t *drive = idkp->drive;
-
-	geo->heads = drive->bios_head;
-	geo->sectors = drive->bios_sect;
-	geo->cylinders = (u16)drive->bios_cyl; /* truncate */
-	return 0;
-}
-
-static int ide_gd_media_changed(struct gendisk *disk)
-{
-	struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj);
-	ide_drive_t *drive = idkp->drive;
-	int ret;
-
-	/* do not scan partitions twice if this is a removable device */
-	if (drive->dev_flags & IDE_DFLAG_ATTACH) {
-		drive->dev_flags &= ~IDE_DFLAG_ATTACH;
-		return 0;
-	}
-
-	ret = !!(drive->dev_flags & IDE_DFLAG_MEDIA_CHANGED);
-	drive->dev_flags &= ~IDE_DFLAG_MEDIA_CHANGED;
-
-	return ret;
-}
-
-static int ide_gd_revalidate_disk(struct gendisk *disk)
-{
-	struct ide_floppy_obj *idkp = ide_drv_g(disk, ide_floppy_obj);
-	set_capacity(disk, ide_gd_capacity(idkp->drive));
-	return 0;
-}
-
-static struct block_device_operations ide_gd_ops = {
-	.owner			= THIS_MODULE,
-	.open			= ide_gd_open,
-	.release		= ide_gd_release,
-	.ioctl			= ide_floppy_ioctl,
-	.getgeo			= ide_gd_getgeo,
-	.media_changed		= ide_gd_media_changed,
-	.revalidate_disk	= ide_gd_revalidate_disk
-};
-
-static int ide_gd_probe(ide_drive_t *drive)
-{
-	struct ide_floppy_obj *idkp;
-	struct gendisk *g;
-
-	if (!strstr("ide-floppy", drive->driver_req))
-		goto failed;
-
-	if (drive->media != ide_floppy)
-		goto failed;
-
-	if (!ide_check_atapi_device(drive, DRV_NAME)) {
-		printk(KERN_ERR PFX "%s: not supported by this version of "
-		       DRV_NAME "\n", drive->name);
-		goto failed;
-	}
-	idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
-	if (!idkp) {
-		printk(KERN_ERR PFX "%s: Can't allocate a floppy structure\n",
-		       drive->name);
-		goto failed;
-	}
-
-	g = alloc_disk_node(1 << PARTN_BITS, hwif_to_node(drive->hwif));
-	if (!g)
-		goto out_free_idkp;
-
-	ide_init_disk(g, drive);
-
-	kref_init(&idkp->kref);
-
-	idkp->drive = drive;
-	idkp->driver = &ide_gd_driver;
-	idkp->disk = g;
-
-	g->private_data = &idkp->driver;
-
-	drive->driver_data = idkp;
-
-	drive->debug_mask = debug_mask;
-
-	ide_floppy_setup(drive);
-
-	set_capacity(g, ide_gd_capacity(drive));
-
-	g->minors = 1 << PARTN_BITS;
-	g->driverfs_dev = &drive->gendev;
-	if (drive->dev_flags & IDE_DFLAG_REMOVABLE)
-		g->flags = GENHD_FL_REMOVABLE;
-	g->fops = &ide_gd_ops;
-	add_disk(g);
-	return 0;
-
-out_free_idkp:
-	kfree(idkp);
-failed:
-	return -ENODEV;
-}
-
-static int __init ide_gd_init(void)
-{
-	printk(KERN_INFO DRV_NAME " driver " IDEFLOPPY_VERSION "\n");
-	return driver_register(&ide_gd_driver.gen_driver);
-}
-
-static void __exit ide_gd_exit(void)
-{
-	driver_unregister(&ide_gd_driver.gen_driver);
-}
-
-MODULE_ALIAS("ide:*m-floppy*");
-MODULE_ALIAS("ide-floppy");
-module_init(ide_gd_init);
-module_exit(ide_gd_exit);
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("ATAPI FLOPPY Driver");
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index a3d4ad7db2a..d44898f46c3 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -15,9 +15,14 @@
 #endif
 
 #include "ide-disk.h"
+#include "ide-floppy.h"
 
 #define IDE_GD_VERSION	"1.18"
 
+/* module parameters */
+static unsigned long debug_mask;
+module_param(debug_mask, ulong, 0644);
+
 static DEFINE_MUTEX(ide_disk_ref_mutex);
 
 static void ide_disk_release(struct kref *);
@@ -64,7 +69,7 @@ static void ide_gd_remove(ide_drive_t *drive)
 
 	del_gendisk(g);
 
-	ide_disk_flush(drive);
+	drive->disk_ops->flush(drive);
 
 	ide_disk_put(idkp);
 }
@@ -75,6 +80,7 @@ static void ide_disk_release(struct kref *kref)
 	ide_drive_t *drive = idkp->drive;
 	struct gendisk *g = idkp->disk;
 
+	drive->disk_ops = NULL;
 	drive->driver_data = NULL;
 	g->private_data = NULL;
 	put_disk(g);
@@ -89,7 +95,7 @@ static void ide_disk_release(struct kref *kref)
 static void ide_gd_resume(ide_drive_t *drive)
 {
 	if (ata_id_hpa_enabled(drive->id))
-		ide_disk_init_capacity(drive);
+		(void)drive->disk_ops->get_capacity(drive);
 }
 
 static void ide_gd_shutdown(ide_drive_t *drive)
@@ -110,7 +116,7 @@ static void ide_gd_shutdown(ide_drive_t *drive)
 #else
 	if (system_state == SYSTEM_RESTART) {
 #endif
-		ide_disk_flush(drive);
+		drive->disk_ops->flush(drive);
 		return;
 	}
 
@@ -122,19 +128,31 @@ static void ide_gd_shutdown(ide_drive_t *drive)
 #ifdef CONFIG_IDE_PROC_FS
 static ide_proc_entry_t *ide_disk_proc_entries(ide_drive_t *drive)
 {
-	return ide_disk_proc;
+	return (drive->media == ide_disk) ? ide_disk_proc : ide_floppy_proc;
 }
 
 static const struct ide_proc_devset *ide_disk_proc_devsets(ide_drive_t *drive)
 {
-	return ide_disk_settings;
+	return (drive->media == ide_disk) ? ide_disk_settings
+					  : ide_floppy_settings;
 }
 #endif
 
+static ide_startstop_t ide_gd_do_request(ide_drive_t *drive,
+					 struct request *rq, sector_t sector)
+{
+	return drive->disk_ops->do_request(drive, rq, sector);
+}
+
+static int ide_gd_end_request(ide_drive_t *drive, int uptodate, int nrsecs)
+{
+	return drive->disk_ops->end_request(drive, uptodate, nrsecs);
+}
+
 static ide_driver_t ide_gd_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
-		.name		= "ide-disk",
+		.name		= "ide-gd",
 		.bus		= &ide_bus_type,
 	},
 	.probe			= ide_gd_probe,
@@ -142,8 +160,8 @@ static ide_driver_t ide_gd_driver = {
 	.resume			= ide_gd_resume,
 	.shutdown		= ide_gd_shutdown,
 	.version		= IDE_GD_VERSION,
-	.do_request		= ide_do_rw_disk,
-	.end_request		= ide_end_request,
+	.do_request		= ide_gd_do_request,
+	.end_request		= ide_gd_end_request,
 	.error			= __ide_error,
 #ifdef CONFIG_IDE_PROC_FS
 	.proc_entries		= ide_disk_proc_entries,
@@ -156,6 +174,7 @@ static int ide_gd_open(struct inode *inode, struct file *filp)
 	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct ide_disk_obj *idkp;
 	ide_drive_t *drive;
+	int ret = 0;
 
 	idkp = ide_disk_get(disk);
 	if (idkp == NULL)
@@ -163,19 +182,49 @@ static int ide_gd_open(struct inode *inode, struct file *filp)
 
 	drive = idkp->drive;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	idkp->openers++;
 
 	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+		/* Just in case */
+
+		ret = drive->disk_ops->init_media(drive, disk);
+
+		/*
+		 * Allow O_NDELAY to open a drive without a disk, or with an
+		 * unreadable disk, so that we can get the format capacity
+		 * of the drive or begin the format - Sam
+		 */
+		if (ret && (filp->f_flags & O_NDELAY) == 0) {
+			ret = -EIO;
+			goto out_put_idkp;
+		}
+
+		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
+			ret = -EROFS;
+			goto out_put_idkp;
+		}
+
 		/*
 		 * Ignore the return code from door_lock,
 		 * since the open() has already succeeded,
 		 * and the door_lock is irrelevant at this point.
 		 */
-		ide_disk_set_doorlock(drive, 1);
+		drive->disk_ops->set_doorlock(drive, disk, 1);
 		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
 		check_disk_change(inode->i_bdev);
+	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
+		ret = -EBUSY;
+		goto out_put_idkp;
 	}
 	return 0;
+
+out_put_idkp:
+	idkp->openers--;
+	ide_disk_put(idkp);
+	return ret;
 }
 
 static int ide_gd_release(struct inode *inode, struct file *filp)
@@ -184,11 +233,15 @@ static int ide_gd_release(struct inode *inode, struct file *filp)
 	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 
+	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+
 	if (idkp->openers == 1)
-		ide_disk_flush(drive);
+		drive->disk_ops->flush(drive);
 
-	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1)
-		ide_disk_set_doorlock(drive, 0);
+	if ((drive->dev_flags & IDE_DFLAG_REMOVABLE) && idkp->openers == 1) {
+		drive->disk_ops->set_doorlock(drive, disk, 0);
+		drive->dev_flags &= ~IDE_DFLAG_FORMAT_IN_PROGRESS;
+	}
 
 	idkp->openers--;
 
@@ -233,11 +286,21 @@ static int ide_gd_revalidate_disk(struct gendisk *disk)
 	return 0;
 }
 
+static int ide_gd_ioctl(struct inode *inode, struct file *file,
+			     unsigned int cmd, unsigned long arg)
+{
+	struct block_device *bdev = inode->i_bdev;
+	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
+	ide_drive_t *drive = idkp->drive;
+
+	return drive->disk_ops->ioctl(drive, inode, file, cmd, arg);
+}
+
 static struct block_device_operations ide_gd_ops = {
 	.owner			= THIS_MODULE,
 	.open			= ide_gd_open,
 	.release		= ide_gd_release,
-	.ioctl			= ide_disk_ioctl,
+	.ioctl			= ide_gd_ioctl,
 	.getgeo			= ide_gd_getgeo,
 	.media_changed		= ide_gd_media_changed,
 	.revalidate_disk	= ide_gd_revalidate_disk
@@ -245,19 +308,37 @@ static struct block_device_operations ide_gd_ops = {
 
 static int ide_gd_probe(ide_drive_t *drive)
 {
+	const struct ide_disk_ops *disk_ops = NULL;
 	struct ide_disk_obj *idkp;
 	struct gendisk *g;
 
 	/* strstr("foo", "") is non-NULL */
-	if (!strstr("ide-disk", drive->driver_req))
+	if (!strstr("ide-gd", drive->driver_req))
+		goto failed;
+
+#ifdef CONFIG_IDE_GD_ATA
+	if (drive->media == ide_disk)
+		disk_ops = &ide_ata_disk_ops;
+#endif
+#ifdef CONFIG_IDE_GD_ATAPI
+	if (drive->media == ide_floppy)
+		disk_ops = &ide_atapi_disk_ops;
+#endif
+	if (disk_ops == NULL)
 		goto failed;
 
-	if (drive->media != ide_disk)
+	if (disk_ops->check(drive, DRV_NAME) == 0) {
+		printk(KERN_ERR PFX "%s: not supported by this driver\n",
+			drive->name);
 		goto failed;
+	}
 
 	idkp = kzalloc(sizeof(*idkp), GFP_KERNEL);
-	if (!idkp)
+	if (!idkp) {
+		printk(KERN_ERR PFX "%s: can't allocate a disk structure\n",
+			drive->name);
 		goto failed;
+	}
 
 	g = alloc_disk_node(IDE_DISK_MINORS, hwif_to_node(drive->hwif));
 	if (!g)
@@ -274,8 +355,10 @@ static int ide_gd_probe(ide_drive_t *drive)
 	g->private_data = &idkp->driver;
 
 	drive->driver_data = idkp;
+	drive->debug_mask = debug_mask;
+	drive->disk_ops = disk_ops;
 
-	ide_disk_setup(drive);
+	disk_ops->setup(drive);
 
 	set_capacity(g, ide_gd_capacity(drive));
 
@@ -296,6 +379,7 @@ failed:
 
 static int __init ide_gd_init(void)
 {
+	printk(KERN_INFO DRV_NAME " driver " IDE_GD_VERSION "\n");
 	return driver_register(&ide_gd_driver.gen_driver);
 }
 
@@ -306,7 +390,9 @@ static void __exit ide_gd_exit(void)
 
 MODULE_ALIAS("ide:*m-disk*");
 MODULE_ALIAS("ide-disk");
+MODULE_ALIAS("ide:*m-floppy*");
+MODULE_ALIAS("ide-floppy");
 module_init(ide_gd_init);
 module_exit(ide_gd_exit);
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("ATA DISK Driver");
+MODULE_DESCRIPTION("generic ATA/ATAPI disk driver");
diff --git a/drivers/ide/ide-gd.h b/drivers/ide/ide-gd.h
new file mode 100644
index 00000000000..7d3d101713e
--- /dev/null
+++ b/drivers/ide/ide-gd.h
@@ -0,0 +1,44 @@
+#ifndef __IDE_GD_H
+#define __IDE_GD_H
+
+#define DRV_NAME "ide-gd"
+#define PFX DRV_NAME ": "
+
+/* define to see debug info */
+#define IDE_GD_DEBUG_LOG	0
+
+#if IDE_GD_DEBUG_LOG
+#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, args)
+#else
+#define ide_debug_log(lvl, fmt, args...) do {} while (0)
+#endif
+
+struct ide_disk_obj {
+	ide_drive_t	*drive;
+	ide_driver_t	*driver;
+	struct gendisk	*disk;
+	struct kref	kref;
+	unsigned int	openers;	/* protected by BKL for now */
+
+	/* Last failed packet command */
+	struct ide_atapi_pc *failed_pc;
+	/* used for blk_{fs,pc}_request() requests */
+	struct ide_atapi_pc queued_pc;
+
+	/* Last error information */
+	u8 sense_key, asc, ascq;
+
+	int progress_indication;
+
+	/* Device information */
+	/* Current format */
+	int blocks, block_size, bs_factor;
+	/* Last format capacity descriptor */
+	u8 cap_desc[8];
+	/* Copy of the flexible disk page */
+	u8 flexible_disk_page[32];
+};
+
+sector_t ide_gd_capacity(ide_drive_t *);
+
+#endif /* __IDE_GD_H */
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index e3e40427e00..c7ff1e11ea8 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -179,7 +179,7 @@ config LEDS_TRIGGER_TIMER
 
 config LEDS_TRIGGER_IDE_DISK
 	bool "LED IDE Disk Trigger"
-	depends on LEDS_TRIGGERS && BLK_DEV_IDEDISK
+	depends on LEDS_TRIGGERS && IDE_GD_ATA
 	help
 	  This allows LEDs to be controlled by IDE disk activity.
 	  If unsure, say Y.
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 488808891ac..89e53cfbc78 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -461,6 +461,23 @@ struct ide_acpi_drive_link;
 struct ide_acpi_hwif_link;
 #endif
 
+struct ide_drive_s;
+
+struct ide_disk_ops {
+	int		(*check)(struct ide_drive_s *, const char *);
+	int		(*get_capacity)(struct ide_drive_s *);
+	void		(*setup)(struct ide_drive_s *);
+	void		(*flush)(struct ide_drive_s *);
+	int		(*init_media)(struct ide_drive_s *, struct gendisk *);
+	int		(*set_doorlock)(struct ide_drive_s *, struct gendisk *,
+					int);
+	ide_startstop_t	(*do_request)(struct ide_drive_s *, struct request *,
+				      sector_t);
+	int		(*end_request)(struct ide_drive_s *, int, int);
+	int		(*ioctl)(struct ide_drive_s *, struct inode *,
+				 struct file *, unsigned int, unsigned long);
+};
+
 /* ATAPI device flags */
 enum {
 	IDE_AFLAG_DRQ_INTERRUPT		= (1 << 0),
@@ -594,6 +611,8 @@ struct ide_drive_s {
 #endif
 	struct hwif_s		*hwif;	/* actually (ide_hwif_t *) */
 
+	const struct ide_disk_ops *disk_ops;
+
 	unsigned long dev_flags;
 
 	unsigned long sleep;		/* sleep until this time */
-- 
GitLab


From 71b429ca4d5cb78a889128955a6ab891c5ab2a46 Mon Sep 17 00:00:00 2001
From: Borislav Petkov <petkovbb@googlemail.com>
Date: Fri, 17 Oct 2008 18:09:14 +0200
Subject: [PATCH 0945/2224] ide-cd: debug log enhancements

Add some more verbosity to key function calls in ide-cd debug code. While at it,
delete a superfluous comment.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-cd.c | 33 +++++++++++++++++++++------------
 1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 32073666b9c..c36cab5785d 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -340,8 +340,8 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
 	}
 
 	ide_debug_log(IDE_DBG_RQ, "%s: stat: 0x%x, good_stat: 0x%x, "
-		      "rq->cmd_type: 0x%x, err: 0x%x\n", __func__, stat,
-		      good_stat, rq->cmd_type, err);
+		      "rq->cmd[0]: 0x%x, rq->cmd_type: 0x%x, err: 0x%x\n",
+		      __func__, stat, good_stat, rq->cmd[0], rq->cmd_type, err);
 
 	if (blk_sense_request(rq)) {
 		/*
@@ -849,7 +849,8 @@ static void ide_cd_restore_request(ide_drive_t *drive, struct request *rq)
 static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct request *rq)
 {
 
-	ide_debug_log(IDE_DBG_FUNC, "Call %s\n", __func__);
+	ide_debug_log(IDE_DBG_FUNC, "Call %s, rq->cmd[0]: 0x%x\n",
+		      __func__, rq->cmd[0]);
 
 	/*
 	 * Some of the trailing request sense fields are optional,
@@ -876,7 +877,7 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd,
 	if (!sense)
 		sense = &local_sense;
 
-	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, "
+	ide_debug_log(IDE_DBG_PC, "Call %s, cmd[0]: 0x%x, write: 0x%x, "
 		      "timeout: %d, cmd_flags: 0x%x\n", __func__, cmd[0], write,
 		      timeout, cmd_flags);
 
@@ -1177,8 +1178,9 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq)
 	unsigned short sectors_per_frame =
 		queue_hardsect_size(drive->queue) >> SECTOR_BITS;
 
-	ide_debug_log(IDE_DBG_RQ, "Call %s, write: 0x%x, secs_per_frame: %u\n",
-		      __func__, write, sectors_per_frame);
+	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, write: 0x%x, "
+		      "secs_per_frame: %u\n",
+		      __func__, rq->cmd[0], write, sectors_per_frame);
 
 	if (write) {
 		/* disk has become write protected */
@@ -1221,7 +1223,8 @@ static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive)
 static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 {
 
-	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd_type: 0x%x\n", __func__,
+	ide_debug_log(IDE_DBG_PC, "Call %s, rq->cmd[0]: 0x%x, "
+		      "rq->cmd_type: 0x%x\n", __func__, rq->cmd[0],
 		      rq->cmd_type);
 
 	if (blk_pc_request(rq))
@@ -1257,9 +1260,6 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 	}
 }
 
-/*
- * cdrom driver request routine.
- */
 static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 					sector_t block)
 {
@@ -1267,8 +1267,10 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
 	ide_handler_t *fn;
 	int xferlen;
 
-	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd_type: 0x%x, block: %llu\n",
-		      __func__, rq->cmd_type, (unsigned long long)block);
+	ide_debug_log(IDE_DBG_RQ, "Call %s, rq->cmd[0]: 0x%x, "
+		      "rq->cmd_type: 0x%x, block: %llu\n",
+		      __func__, rq->cmd[0], rq->cmd_type,
+		      (unsigned long long)block);
 
 	if (blk_fs_request(rq)) {
 		if (drive->atapi_flags & IDE_AFLAG_SEEKING) {
@@ -1412,6 +1414,10 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
 
 	*capacity = 1 + be32_to_cpu(capbuf.lba);
 	*sectors_per_frame = blocklen >> SECTOR_BITS;
+
+	ide_debug_log(IDE_DBG_PROBE, "%s: cap: %lu, sectors_per_frame: %lu\n",
+		      __func__, *capacity, *sectors_per_frame);
+
 	return 0;
 }
 
@@ -1643,6 +1649,9 @@ void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
 		maxspeed = be16_to_cpup((__be16 *)&buf[8 + 8]);
 	}
 
+	ide_debug_log(IDE_DBG_PROBE, "%s: curspeed: %u, maxspeed: %u\n",
+		      __func__, curspeed, maxspeed);
+
 	cd->current_speed = (curspeed + (176/2)) / 176;
 	cd->max_speed = (maxspeed + (176/2)) / 176;
 }
-- 
GitLab


From 419a5b67c3e901f8e6369d2630877a5f59692202 Mon Sep 17 00:00:00 2001
From: Borislav Petkov <petkovbb@googlemail.com>
Date: Fri, 17 Oct 2008 18:09:14 +0200
Subject: [PATCH 0946/2224] ide-cd: small drive type print fix

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-cd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index c36cab5785d..fd297189132 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1786,7 +1786,7 @@ static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
 	if ((cdi->mask & CDC_DVD_R) == 0 || (cdi->mask & CDC_DVD_RAM) == 0)
 		printk(KERN_CONT " DVD%s%s",
 				 (cdi->mask & CDC_DVD_R) ? "" : "-R",
-				 (cdi->mask & CDC_DVD_RAM) ? "" : "-RAM");
+				 (cdi->mask & CDC_DVD_RAM) ? "" : "/RAM");
 
 	if ((cdi->mask & CDC_CD_R) == 0 || (cdi->mask & CDC_CD_RW) == 0)
 		printk(KERN_CONT " CD%s%s",
-- 
GitLab


From 2a2267e7b11fa2de95bfb707c85f2a9880e5206a Mon Sep 17 00:00:00 2001
From: Borislav Petkov <petkovbb@googlemail.com>
Date: Fri, 17 Oct 2008 18:09:14 +0200
Subject: [PATCH 0947/2224] ide-cd: remove stale comment

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
[bart: split-up this change from a bigger patch]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-cd.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index fd297189132..13265a8827d 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -843,12 +843,8 @@ static void ide_cd_restore_request(ide_drive_t *drive, struct request *rq)
 	rq->q->prep_rq_fn(rq->q, rq);
 }
 
-/*
- * All other packet commands.
- */
 static void ide_cd_request_sense_fixup(ide_drive_t *drive, struct request *rq)
 {
-
 	ide_debug_log(IDE_DBG_FUNC, "Call %s, rq->cmd[0]: 0x%x\n",
 		      __func__, rq->cmd[0]);
 
-- 
GitLab


From 30c7ed5aba72bb7357282cf8f411b2e74d82081c Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:14 +0200
Subject: [PATCH 0948/2224] ide: fix support for IDE PCI controllers using MMIO
 on frv

Just include <asm-generic/ide_iops.h> for __ide_mm_*() instead of
defining them to normal I/O helpers so PCI bus <-> CPU byte-swapping
is done as needed.

Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 include/asm-frv/ide.h | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/include/asm-frv/ide.h b/include/asm-frv/ide.h
index 7ebcc56a222..36107661185 100644
--- a/include/asm-frv/ide.h
+++ b/include/asm-frv/ide.h
@@ -18,15 +18,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-/****************************************************************************/
-/*
- * some bits needed for parts of the IDE subsystem to compile
- */
-#define __ide_mm_insw(port, addr, n)	insw((unsigned long) (port), addr, n)
-#define __ide_mm_insl(port, addr, n)	insl((unsigned long) (port), addr, n)
-#define __ide_mm_outsw(port, addr, n)	outsw((unsigned long) (port), addr, n)
-#define __ide_mm_outsl(port, addr, n)	outsl((unsigned long) (port), addr, n)
-
+#include <asm-generic/ide_iops.h>
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_IDE_H */
-- 
GitLab


From c36167de652f8acdf0b374c78805e662646cd327 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:15 +0200
Subject: [PATCH 0949/2224] ide: remove dead <asm-arm/arch-sa1100/ide.h>

It has been dead for more than 3 years and needs to be converted
to use platform PATA support anyway.

Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 arch/arm/mach-sa1100/include/mach/ide.h | 75 -------------------------
 1 file changed, 75 deletions(-)
 delete mode 100644 arch/arm/mach-sa1100/include/mach/ide.h

diff --git a/arch/arm/mach-sa1100/include/mach/ide.h b/arch/arm/mach-sa1100/include/mach/ide.h
deleted file mode 100644
index 4c99c8f5e61..00000000000
--- a/arch/arm/mach-sa1100/include/mach/ide.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * arch/arm/mach-sa1100/include/mach/ide.h
- *
- * Copyright (c) 1998 Hugo Fiennes & Nicolas Pitre
- *
- * 18-aug-2000: Cleanup by Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *              Get rid of the special ide_init_hwif_ports() functions
- *              and make a generalised function that can be used by all
- *              architectures.
- */
-
-#include <asm/irq.h>
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-
-#error "This code is broken and needs update to match with current ide support"
-
-
-/*
- * Set up a hw structure for a specified data port, control port and IRQ.
- * This should follow whatever the default interface uses.
- */
-static inline void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
-				       unsigned long ctrl_port, int *irq)
-{
-	unsigned long reg = data_port;
-	int i;
-	int regincr = 1;
-
-	/* The Empeg board has the first two address lines unused */
-	if (machine_is_empeg())
-		regincr = 1 << 2;
-
-	/* The LART doesn't use A0 for IDE */
-	if (machine_is_lart())
-		regincr = 1 << 1;
-
-	memset(hw, 0, sizeof(*hw));
-
-	for (i = 0; i <= 7; i++) {
-		hw->io_ports_array[i] = reg;
-		reg += regincr;
-	}
-
-	hw->io_ports.ctl_addr = ctrl_port;
-
-	if (irq)
-		*irq = 0;
-}
-
-/*
- * This registers the standard ports for this architecture with the IDE
- * driver.
- */
-static __inline__ void
-ide_init_default_hwifs(void)
-{
-    if (machine_is_lart()) {
-#ifdef CONFIG_SA1100_LART
-        hw_regs_t hw;
-
-        /* Enable GPIO as interrupt line */
-        GPDR &= ~LART_GPIO_IDE;
-	set_irq_type(LART_IRQ_IDE, IRQ_TYPE_EDGE_RISING);
-
-        /* set PCMCIA interface timing */
-        MECR = 0x00060006;
-
-        /* init the interface */
-	ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL);
-        hw.irq = LART_IRQ_IDE;
-        ide_register_hw(&hw);
-#endif
-    }
-}
-- 
GitLab


From dc10f6119636a5ff13b633e722e720fe0253202b Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:15 +0200
Subject: [PATCH 0950/2224] ide: remove M68K_IDE_SWAPW define from
 <asm-m68k/ide.h>

Since we solved this by overriding default ->{in,out}put_data
methods in {q40,falcon}ide M68K_IDE_SWAP define can go away.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 include/asm-m68k/ide.h | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/include/asm-m68k/ide.h b/include/asm-m68k/ide.h
index 1daf6cbdd9f..b996a3c8cff 100644
--- a/include/asm-m68k/ide.h
+++ b/include/asm-m68k/ide.h
@@ -92,15 +92,6 @@
 #define outsw_swapw(port, addr, n)	raw_outsw_swapw((u16 *)port, addr, n)
 #endif
 
-
-/* Q40 and Atari have byteswapped IDE busses and since many interesting
- * values in the identification string are text, chars and words they
- * happened to be almost correct without swapping.. However *_capacity
- * is needed for drives over 8 GB. RZ */
-#if defined(CONFIG_Q40) || defined(CONFIG_ATARI)
-#define M68K_IDE_SWAPW  (MACH_IS_Q40 || MACH_IS_ATARI)
-#endif
-
 #ifdef CONFIG_BLK_DEV_FALCON_IDE
 #define IDE_ARCH_LOCK
 
-- 
GitLab


From 21f45eb1d381aad30094751c60ae8171d6223a66 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:15 +0200
Subject: [PATCH 0951/2224] ide: remove unused macros from <asm-parisc/ide.h>

Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 include/asm-parisc/ide.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/asm-parisc/ide.h b/include/asm-parisc/ide.h
index c246ef75017..81700a2321c 100644
--- a/include/asm-parisc/ide.h
+++ b/include/asm-parisc/ide.h
@@ -13,10 +13,6 @@
 
 #ifdef __KERNEL__
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
 /* Generic I/O and MEMIO string operations.  */
 
 #define __ide_insw	insw
-- 
GitLab


From 79104c687ca29e214142d8e8f30964be05e1276f Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:15 +0200
Subject: [PATCH 0952/2224] hpt366: fix compile warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixup for commit 1785192b5310ee25165768f5bb80f13146788e3e
("hpt366: add hpt3xx_disable_fast_irq() helper"):

   CC      drivers/ide/pci/hpt366.o
drivers/ide/pci/hpt366.c: In function `init_hwif_hpt366':
drivers/ide/pci/hpt366.c:1290: warning: unused variable `dev'

Reported-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/pci/hpt366.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 9cf171cb937..ca0acb50bc6 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1289,7 +1289,6 @@ static u8 hpt3xx_cable_detect(ide_hwif_t *hwif)
 
 static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
 {
-	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	struct hpt_info *info	= hpt3xx_get_info(hwif->dev);
 	int serialize		= HPT_SERIALIZE_IO;
 	u8  chip_type		= info->chip_type;
-- 
GitLab


From e5403bff8a4018240f012fd4c7afa24c2e75b469 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Fri, 17 Oct 2008 18:09:15 +0200
Subject: [PATCH 0953/2224] ide: mask interrupt in ide_config_drive_speed()

Apparently, there is no sense in unmasking IRQ on the controller when you call
disable_irq_nosync() before doing this, set the nIEN bit afterwards, and then
unmask IRQ again after the command completion, hence 0 passed to SELECT_MASK()
before issuing the command in ide_config_drive_speed() is probably just a typo.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-iops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index b762deb2dac..bb7a1ed8094 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -755,7 +755,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 	 
 	udelay(1);
 	SELECT_DRIVE(drive);
-	SELECT_MASK(drive, 0);
+	SELECT_MASK(drive, 1);
 	udelay(1);
 	tp_ops->set_irq(hwif, 0);
 
-- 
GitLab


From ea2ac5a3b7d33ff9f41ddcee2a92c95b5a32f4e2 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Fri, 17 Oct 2008 18:09:15 +0200
Subject: [PATCH 0954/2224] hpt366: cleanup maskproc() method

Since the maskproc() method calls either mirror the interrupt en/disable via
the nIEN bit of the device control register done by the IDE core before issuing
a command or unmask the interrupt after a command executed in polled mode (when
interrupt is already not expected), it is pointless to manipulate the nIEN bit
in this method; therefore, just do nothing for the drives not on the quirk list.
Move the code to the left by using an early return and the 'else if' construct,
while at it....

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
[bart: fix checkpatch.pl warning]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/pci/hpt366.c | 34 ++++++++++++++++------------------
 1 file changed, 16 insertions(+), 18 deletions(-)

diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index ca0acb50bc6..a7909e9c720 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -3,7 +3,7 @@
  * Portions Copyright (C) 2001	        Sun Microsystems, Inc.
  * Portions Copyright (C) 2003		Red Hat Inc
  * Portions Copyright (C) 2007		Bartlomiej Zolnierkiewicz
- * Portions Copyright (C) 2005-2007	MontaVista Software, Inc.
+ * Portions Copyright (C) 2005-2008	MontaVista Software, Inc.
  *
  * Thanks to HighPoint Technologies for their assistance, and hardware.
  * Special Thanks to Jon Burchmore in SanDiego for the deep pockets, his
@@ -748,26 +748,24 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
 	struct pci_dev	*dev	= to_pci_dev(hwif->dev);
 	struct hpt_info *info	= hpt3xx_get_info(hwif->dev);
 
-	if (drive->quirk_list) {
-		if (info->chip_type >= HPT370) {
-			u8 scr1 = 0;
-
-			pci_read_config_byte(dev, 0x5a, &scr1);
-			if (((scr1 & 0x10) >> 4) != mask) {
-				if (mask)
-					scr1 |=  0x10;
-				else
-					scr1 &= ~0x10;
-				pci_write_config_byte(dev, 0x5a, scr1);
-			}
-		} else {
+	if (drive->quirk_list == 0)
+		return;
+
+	if (info->chip_type >= HPT370) {
+		u8 scr1 = 0;
+
+		pci_read_config_byte(dev, 0x5a, &scr1);
+		if (((scr1 & 0x10) >> 4) != mask) {
 			if (mask)
-				disable_irq(hwif->irq);
+				scr1 |=  0x10;
 			else
-				enable_irq (hwif->irq);
+				scr1 &= ~0x10;
+			pci_write_config_byte(dev, 0x5a, scr1);
 		}
-	} else
-		outb(ATA_DEVCTL_OBS | (mask ? 2 : 0), hwif->io_ports.ctl_addr);
+	} else if (mask)
+		disable_irq(hwif->irq);
+	else
+		enable_irq(hwif->irq);
 }
 
 /*
-- 
GitLab


From ea656980f40d599400d2306b23f2fbc707ae7313 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Fri, 17 Oct 2008 18:09:16 +0200
Subject: [PATCH 0955/2224] sgiioc4: remove maskproc() method

Since the maskproc() method calls either mirror the interrupt en/disable via
the nIEN bit of the device control register done by the IDE core before issuing
a command or unmask the interrupt after a command executed in polled mode (when
interrupt is already not expected), it is pointless to implement this method
by manipulating the nIEN bit...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: jeremy@sgi.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/pci/sgiioc4.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index dd634541ce3..8581789352a 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -108,13 +108,6 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
 		hw->io_ports.irq_addr = irq_port;
 }
 
-static void
-sgiioc4_maskproc(ide_drive_t * drive, int mask)
-{
-	writeb(ATA_DEVCTL_OBS | (mask ? 2 : 0),
-	       (void __iomem *)drive->hwif->io_ports.ctl_addr);
-}
-
 static int
 sgiioc4_checkirq(ide_hwif_t * hwif)
 {
@@ -563,8 +556,6 @@ static const struct ide_port_ops sgiioc4_port_ops = {
 	.set_dma_mode		= sgiioc4_set_dma_mode,
 	/* reset DMA engine, clear IRQs */
 	.resetproc		= sgiioc4_resetproc,
-	/* mask on/off NIEN register */
-	.maskproc		= sgiioc4_maskproc,
 };
 
 static const struct ide_dma_ops sgiioc4_dma_ops = {
-- 
GitLab


From 0df962777b550a4b67191b3ee2555be139da4e7d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:16 +0200
Subject: [PATCH 0956/2224] ide-floppy: remove idefloppy_floppy_t typedef

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-floppy.c       | 18 +++++++++---------
 drivers/ide/ide-floppy.h       |  2 --
 drivers/ide/ide-floppy_ioctl.c |  8 ++++----
 3 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 58746c748c1..aeb1ad782f5 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -70,7 +70,7 @@
  */
 static int ide_floppy_end_request(ide_drive_t *drive, int uptodate, int nsecs)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct request *rq = HWGROUP(drive)->rq;
 	int error;
 
@@ -117,7 +117,7 @@ static void idefloppy_update_buffers(ide_drive_t *drive,
 
 static void ide_floppy_callback(ide_drive_t *drive, int dsc)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc *pc = drive->pc;
 	int uptodate = pc->error ? 0 : 1;
 
@@ -154,7 +154,7 @@ static void ide_floppy_callback(ide_drive_t *drive, int dsc)
 	ide_floppy_end_request(drive, uptodate, 0);
 }
 
-static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
+static void ide_floppy_report_error(struct ide_disk_obj *floppy,
 				    struct ide_atapi_pc *pc)
 {
 	/* supress error messages resulting from Medium not present */
@@ -173,7 +173,7 @@ static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
 static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
 		struct ide_atapi_pc *pc)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 
 	if (floppy->failed_pc == NULL &&
 	    pc->c[0] != GPCMD_REQUEST_SENSE)
@@ -237,7 +237,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive,
 				    struct ide_atapi_pc *pc, struct request *rq,
 				    unsigned long sector)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	int block = sector / floppy->bs_factor;
 	int blocks = rq->nr_sectors / floppy->bs_factor;
 	int cmd = rq_data_dir(rq);
@@ -261,7 +261,7 @@ static void idefloppy_create_rw_cmd(ide_drive_t *drive,
 	pc->flags |= PC_FLAG_DMA_OK;
 }
 
-static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
+static void idefloppy_blockpc_cmd(struct ide_disk_obj *floppy,
 		struct ide_atapi_pc *pc, struct request *rq)
 {
 	ide_init_pc(pc);
@@ -283,7 +283,7 @@ static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
 static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
 					     struct request *rq, sector_t block)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	ide_hwif_t *hwif = drive->hwif;
 	struct ide_atapi_pc *pc;
 
@@ -344,7 +344,7 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
  */
 static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
 	struct ide_atapi_pc pc;
 	u8 *page;
@@ -407,7 +407,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
  */
 static int ide_floppy_get_capacity(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
 	struct ide_atapi_pc pc;
 	u8 *cap_desc;
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index acebc8c5a82..c17124dd607 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -4,8 +4,6 @@
 #include "ide-gd.h"
 
 #ifdef CONFIG_IDE_GD_ATAPI
-typedef struct ide_disk_obj idefloppy_floppy_t;
-
 /*
  * Pages of the SELECT SENSE / MODE SENSE packet commands.
  * See SFF-8070i spec.
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index e8aa0a5bf5d..409e4c15f9b 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -113,7 +113,7 @@ static void ide_floppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
 
 static int ide_floppy_get_sfrp_bit(ide_drive_t *drive)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 
 	drive->atapi_flags &= ~IDE_AFLAG_SRFP;
@@ -132,7 +132,7 @@ static int ide_floppy_get_sfrp_bit(ide_drive_t *drive)
 
 static int ide_floppy_format_unit(ide_drive_t *drive, int __user *arg)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 	int blocks, length, flags, err = 0;
 
@@ -190,7 +190,7 @@ out:
 
 static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct ide_atapi_pc pc;
 	int progress_indication = 0x10000;
 
@@ -226,7 +226,7 @@ static int ide_floppy_get_format_progress(ide_drive_t *drive, int __user *arg)
 static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
 			       unsigned long arg, unsigned int cmd)
 {
-	idefloppy_floppy_t *floppy = drive->driver_data;
+	struct ide_disk_obj *floppy = drive->driver_data;
 	struct gendisk *disk = floppy->disk;
 	int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0;
 
-- 
GitLab


From 41d1a3d31d097a31380b83eea0ec10ea1d040376 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:16 +0200
Subject: [PATCH 0957/2224] ide: remove broken hpt34x driver

No big loss since HPT343/363 controllers are properly supported
by pata_hpt3x3 driver from Alan Cox.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Kconfig      |  24 +----
 drivers/ide/pci/Makefile |   1 -
 drivers/ide/pci/hpt34x.c | 193 ---------------------------------------
 3 files changed, 1 insertion(+), 217 deletions(-)
 delete mode 100644 drivers/ide/pci/hpt34x.c

diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index faa974e615d..a820ca6fc32 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -328,7 +328,7 @@ config IDEPCI_PCIBUS_ORDER
 # TODO: split it on per host driver config options (or module parameters)
 config BLK_DEV_OFFBOARD
 	bool "Boot off-board chipsets first support (DEPRECATED)"
-	depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT34X || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001)
+	depends on BLK_DEV_IDEPCI && (BLK_DEV_AEC62XX || BLK_DEV_GENERIC || BLK_DEV_HPT366 || BLK_DEV_PDC202XX_NEW || BLK_DEV_PDC202XX_OLD || BLK_DEV_TC86C001)
 	help
 	  Normally, IDE controllers built into the motherboard (on-board
 	  controllers) are assigned to ide0 and ide1 while those on add-in PCI
@@ -478,28 +478,6 @@ config BLK_DEV_CS5535
 
 	  It is safe to say Y to this question.
 
-config BLK_DEV_HPT34X
-	tristate "HPT34X chipset support"
-	depends on BROKEN
-	select BLK_DEV_IDEDMA_PCI
-	help
-	  This driver adds up to 4 more EIDE devices sharing a single
-	  interrupt. The HPT343 chipset in its current form is a non-bootable
-	  controller; the HPT345/HPT363 chipset is a bootable (needs BIOS FIX)
-	  PCI UDMA controllers. This driver requires dynamic tuning of the
-	  chipset during the ide-probe at boot time. It is reported to support
-	  DVD II drives, by the manufacturer.
-
-config HPT34X_AUTODMA
-	bool "HPT34X AUTODMA support (EXPERIMENTAL)"
-	depends on BLK_DEV_HPT34X && EXPERIMENTAL
-	help
-	  This is a dangerous thing to attempt currently! Please read the
-	  comments at the top of <file:drivers/ide/pci/hpt34x.c>.  If you say Y
-	  here, then say Y to "Use DMA by default when available" as well.
-
-	  If unsure, say N.
-
 config BLK_DEV_HPT366
 	tristate "HPT36X/37X chipset support"
 	select BLK_DEV_IDEDMA_PCI
diff --git a/drivers/ide/pci/Makefile b/drivers/ide/pci/Makefile
index 02e6ee7d751..ab44a1f5f5a 100644
--- a/drivers/ide/pci/Makefile
+++ b/drivers/ide/pci/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_BLK_DEV_CS5535)		+= cs5535.o
 obj-$(CONFIG_BLK_DEV_SC1200)		+= sc1200.o
 obj-$(CONFIG_BLK_DEV_CY82C693)		+= cy82c693.o
 obj-$(CONFIG_BLK_DEV_DELKIN)		+= delkin_cb.o
-obj-$(CONFIG_BLK_DEV_HPT34X)		+= hpt34x.o
 obj-$(CONFIG_BLK_DEV_HPT366)		+= hpt366.o
 obj-$(CONFIG_BLK_DEV_IT8213)		+= it8213.o
 obj-$(CONFIG_BLK_DEV_IT821X)		+= it821x.o
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
deleted file mode 100644
index fb1a3aa57f0..00000000000
--- a/drivers/ide/pci/hpt34x.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (C) 1998-2000	Andre Hedrick <andre@linux-ide.org>
- *
- * May be copied or modified under the terms of the GNU General Public License
- *
- *
- * 00:12.0 Unknown mass storage controller:
- * Triones Technologies, Inc.
- * Unknown device 0003 (rev 01)
- *
- * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010)
- * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030)
- * hde: DMA 2  (0x0000 0x0002) (0x0000 0x0010)
- * hdf: DMA 2  (0x0002 0x0012) (0x0010 0x0030)
- * hdg: DMA 1  (0x0012 0x0052) (0x0030 0x0070)
- * hdh: DMA 1  (0x0052 0x0252) (0x0070 0x00f0)
- *
- * ide-pci.c reference
- *
- * Since there are two cards that report almost identically,
- * the only discernable difference is the values reported in pcicmd.
- * Booting-BIOS card or HPT363 :: pcicmd == 0x07
- * Non-bootable card or HPT343 :: pcicmd == 0x05
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/ide.h>
-
-#define DRV_NAME "hpt34x"
-
-#define HPT343_DEBUG_DRIVE_INFO		0
-
-static void hpt34x_set_mode(ide_drive_t *drive, const u8 speed)
-{
-	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
-	u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0;
-	u8			hi_speed, lo_speed;
-
-	hi_speed = speed >> 4;
-	lo_speed = speed & 0x0f;
-
-	if (hi_speed & 7) {
-		hi_speed = (hi_speed & 4) ? 0x01 : 0x10;
-	} else {
-		lo_speed <<= 5;
-		lo_speed >>= 5;
-	}
-
-	pci_read_config_dword(dev, 0x44, &reg1);
-	pci_read_config_dword(dev, 0x48, &reg2);
-	tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn))));
-	tmp2 = ((hi_speed << drive->dn) | (reg2 & ~(0x11 << drive->dn)));
-	pci_write_config_dword(dev, 0x44, tmp1);
-	pci_write_config_dword(dev, 0x48, tmp2);
-
-#if HPT343_DEBUG_DRIVE_INFO
-	printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \
-		" (0x%02x 0x%02x)\n",
-		drive->name, ide_xfer_verbose(speed),
-		drive->dn, reg1, tmp1, reg2, tmp2,
-		hi_speed, lo_speed);
-#endif /* HPT343_DEBUG_DRIVE_INFO */
-}
-
-static void hpt34x_set_pio_mode(ide_drive_t *drive, const u8 pio)
-{
-	hpt34x_set_mode(drive, XFER_PIO_0 + pio);
-}
-
-/*
- * If the BIOS does not set the IO base addaress to XX00, 343 will fail.
- */
-#define	HPT34X_PCI_INIT_REG		0x80
-
-static unsigned int init_chipset_hpt34x(struct pci_dev *dev)
-{
-	int i = 0;
-	unsigned long hpt34xIoBase = pci_resource_start(dev, 4);
-	unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c };
-	unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 };
-	u16 cmd;
-	unsigned long flags;
-
-	local_irq_save(flags);
-
-	pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00);
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-
-	if (cmd & PCI_COMMAND_MEMORY)
-		pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0);
-	else
-		pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20);
-
-	/*
-	 * Since 20-23 can be assigned and are R/W, we correct them.
-	 */
-	pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
-	for(i=0; i<4; i++) {
-		dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]);
-		dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i];
-		dev->resource[i].flags = IORESOURCE_IO;
-		pci_write_config_dword(dev,
-				(PCI_BASE_ADDRESS_0 + (i * 4)),
-				dev->resource[i].start);
-	}
-	pci_write_config_word(dev, PCI_COMMAND, cmd);
-
-	local_irq_restore(flags);
-
-	return dev->irq;
-}
-
-static const struct ide_port_ops hpt34x_port_ops = {
-	.set_pio_mode		= hpt34x_set_pio_mode,
-	.set_dma_mode		= hpt34x_set_mode,
-};
-
-#define IDE_HFLAGS_HPT34X \
-	(IDE_HFLAG_NO_ATAPI_DMA | \
-	 IDE_HFLAG_NO_DSC | \
-	 IDE_HFLAG_NO_AUTODMA)
-
-static const struct ide_port_info hpt34x_chipsets[] __devinitdata = {
-	{ /* 0: HPT343 */
-		.name		= DRV_NAME,
-		.init_chipset	= init_chipset_hpt34x,
-		.port_ops	= &hpt34x_port_ops,
-		.host_flags	= IDE_HFLAGS_HPT34X | IDE_HFLAG_NON_BOOTABLE,
-		.pio_mask	= ATA_PIO5,
-	},
-	{ /* 1: HPT345 */
-		.name		= DRV_NAME,
-		.init_chipset	= init_chipset_hpt34x,
-		.port_ops	= &hpt34x_port_ops,
-		.host_flags	= IDE_HFLAGS_HPT34X | IDE_HFLAG_OFF_BOARD,
-		.pio_mask	= ATA_PIO5,
-#ifdef CONFIG_HPT34X_AUTODMA
-		.swdma_mask	= ATA_SWDMA2,
-		.mwdma_mask	= ATA_MWDMA2,
-		.udma_mask	= ATA_UDMA2,
-#endif
-	}
-};
-
-static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
-{
-	const struct ide_port_info *d;
-	u16 pcicmd = 0;
-
-	pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
-
-	d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
-
-	return ide_pci_init_one(dev, d, NULL);
-}
-
-static const struct pci_device_id hpt34x_pci_tbl[] = {
-	{ PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT343), 0 },
-	{ 0, },
-};
-MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl);
-
-static struct pci_driver hpt34x_pci_driver = {
-	.name		= "HPT34x_IDE",
-	.id_table	= hpt34x_pci_tbl,
-	.probe		= hpt34x_init_one,
-	.remove		= ide_pci_remove,
-	.suspend	= ide_pci_suspend,
-	.resume		= ide_pci_resume,
-};
-
-static int __init hpt34x_ide_init(void)
-{
-	return ide_pci_register_driver(&hpt34x_pci_driver);
-}
-
-static void __exit hpt34x_ide_exit(void)
-{
-	pci_unregister_driver(&hpt34x_pci_driver);
-}
-
-module_init(hpt34x_ide_init);
-module_exit(hpt34x_ide_exit);
-
-MODULE_AUTHOR("Andre Hedrick");
-MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE");
-MODULE_LICENSE("GPL");
-- 
GitLab


From 8c061a40c293660793dab83b75223e6eaaa04f8b Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:16 +0200
Subject: [PATCH 0958/2224] delkin_cb: add PM support

* Factor out chipset initialization code from delkin_cb_probe()
  to delkin_cb_init_chipset().

* Assign ->init_chipset in struct delkin_cb_port_info.

* Add delkin_cb_{suspend,resume}() (->suspend/->resume methods).

Fixes kernel bugzilla bug #11735:

http://bugzilla.kernel.org/show_bug.cgi?id=11735

Tested-by: bumble.bee@xs4all.nl
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/pci/delkin_cb.c | 63 ++++++++++++++++++++++++++++++++-----
 1 file changed, 56 insertions(+), 7 deletions(-)

diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c
index 8689a706f53..8f1b2d9f051 100644
--- a/drivers/ide/pci/delkin_cb.c
+++ b/drivers/ide/pci/delkin_cb.c
@@ -46,10 +46,27 @@ static const struct ide_port_ops delkin_cb_port_ops = {
 	.quirkproc		= ide_undecoded_slave,
 };
 
+static unsigned int delkin_cb_init_chipset(struct pci_dev *dev)
+{
+	unsigned long base = pci_resource_start(dev, 0);
+	int i;
+
+	outb(0x02, base + 0x1e);	/* set nIEN to block interrupts */
+	inb(base + 0x17);		/* read status to clear interrupts */
+
+	for (i = 0; i < sizeof(setup); ++i) {
+		if (setup[i])
+			outb(setup[i], base + i);
+	}
+
+	return 0;
+}
+
 static const struct ide_port_info delkin_cb_port_info = {
 	.port_ops		= &delkin_cb_port_ops,
 	.host_flags		= IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS |
 				  IDE_HFLAG_NO_DMA,
+	.init_chipset		= delkin_cb_init_chipset,
 };
 
 static int __devinit
@@ -57,7 +74,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
 {
 	struct ide_host *host;
 	unsigned long base;
-	int i, rc;
+	int rc;
 	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
 
 	rc = pci_enable_device(dev);
@@ -72,12 +89,8 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
 		return rc;
 	}
 	base = pci_resource_start(dev, 0);
-	outb(0x02, base + 0x1e);	/* set nIEN to block interrupts */
-	inb(base + 0x17);		/* read status to clear interrupts */
-	for (i = 0; i < sizeof(setup); ++i) {
-		if (setup[i])
-			outb(setup[i], base + i);
-	}
+
+	delkin_cb_init_chipset(dev);
 
 	memset(&hw, 0, sizeof(hw));
 	ide_std_init_ports(&hw, base + 0x10, base + 0x1e);
@@ -110,6 +123,40 @@ delkin_cb_remove (struct pci_dev *dev)
 	pci_disable_device(dev);
 }
 
+#ifdef CONFIG_PM
+static int delkin_cb_suspend(struct pci_dev *dev, pm_message_t state)
+{
+	pci_save_state(dev);
+	pci_disable_device(dev);
+	pci_set_power_state(dev, pci_choose_state(dev, state));
+
+	return 0;
+}
+
+static int delkin_cb_resume(struct pci_dev *dev)
+{
+	struct ide_host *host = pci_get_drvdata(dev);
+	int rc;
+
+	pci_set_power_state(dev, PCI_D0);
+
+	rc = pci_enable_device(dev);
+	if (rc)
+		return rc;
+
+	pci_restore_state(dev);
+	pci_set_master(dev);
+
+	if (host->init_chipset)
+		host->init_chipset(dev);
+
+	return 0;
+}
+#else
+#define delkin_cb_suspend NULL
+#define delkin_cb_resume NULL
+#endif
+
 static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = {
 	{ 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{ 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
@@ -122,6 +169,8 @@ static struct pci_driver delkin_cb_pci_driver = {
 	.id_table	= delkin_cb_pci_tbl,
 	.probe		= delkin_cb_probe,
 	.remove		= delkin_cb_remove,
+	.suspend	= delkin_cb_suspend,
+	.resume		= delkin_cb_resume,
 };
 
 static int __init delkin_cb_init(void)
-- 
GitLab


From 8108b882329db7fbf9fbca6559aa36e6174dc91f Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Fri, 17 Oct 2008 18:09:16 +0200
Subject: [PATCH 0959/2224] sgiioc4: kill useless address checks

The driver performs a number of checks on the virtual/physical addresses which
would always evaluate as true (except ide_dma_sgiioc4() -- always false):

- for sgiioc4_init_hwif_ports(), its caller, sgiioc4_ide_setup_pci_device(),
  guarantees that 'ctrl_port' and 'irq_port' parameters are never 0;

- in sgiioc4_read_status(), we always read the IDE status register, so there's
  no need to check the register's address (must be a leftover from the times
  when this function implemented the INB() method);

- in ide_dma_sgiioc4(), 'dma_base' can never be 0 as IOC4_DMA_OFFSET is not 0.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: jeremy@sgi.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/pci/sgiioc4.c | 26 +++++++++-----------------
 1 file changed, 9 insertions(+), 17 deletions(-)

diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 8581789352a..f6c5ba07be7 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -101,11 +101,8 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
 	for (i = 0; i <= 7; i++)
 		hw->io_ports_array[i] = reg + i * 4;
 
-	if (ctrl_port)
-		hw->io_ports.ctl_addr = ctrl_port;
-
-	if (irq_port)
-		hw->io_ports.irq_addr = irq_port;
+	hw->io_ports.ctl_addr = ctrl_port;
+	hw->io_ports.irq_addr = irq_port;
 }
 
 static int
@@ -303,16 +300,14 @@ static u8 sgiioc4_read_status(ide_hwif_t *hwif)
 	unsigned long port = hwif->io_ports.status_addr;
 	u8 reg = (u8) readb((void __iomem *) port);
 
-	if ((port & 0xFFF) == 0x11C) {	/* Status register of IOC4 */
-		if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */
-			unsigned long other_ir = port - 0x110;
-			unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
+	if (!(reg & ATA_BUSY)) {	/* Not busy... check for interrupt */
+		unsigned long other_ir = port - 0x110;
+		unsigned int intr_reg = (u32) readl((void __iomem *) other_ir);
 
-			/* Clear the Interrupt, Error bits on the IOC4 */
-			if (intr_reg & 0x03) {
-				writel(0x03, (void __iomem *) other_ir);
-				intr_reg = (u32) readl((void __iomem *) other_ir);
-			}
+		/* Clear the Interrupt, Error bits on the IOC4 */
+		if (intr_reg & 0x03) {
+			writel(0x03, (void __iomem *) other_ir);
+			intr_reg = (u32) readl((void __iomem *) other_ir);
 		}
 	}
 
@@ -329,9 +324,6 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
 	int num_ports = sizeof (ioc4_dma_regs_t);
 	void *pad;
 
-	if (dma_base == 0)
-		return -1;
-
 	printk(KERN_INFO "    %s: MMIO-DMA\n", hwif->name);
 
 	if (request_mem_region(dma_base, num_ports, hwif->name) == NULL) {
-- 
GitLab


From 107111d450541df8c2a8d3af1d538cc7cd85e81b Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Fri, 17 Oct 2008 18:09:17 +0200
Subject: [PATCH 0960/2224] sgiioc4: kill duplicate ioremap()

By the time ide_dma_sgiioc4() gets called, sgiioc4_ide_setup_pci_device() will
have called ioremap() on the whole BAR0 region, so calling ioremap() on the DMA
registers means wasting a page. Replace this call by a mere address calculation,
based on the fact that IRQ registers (pointed to by 'hwif->io_ports.irq_addr')
are situated at offset 0 from BAR0.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: jeremy@sgi.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/pci/sgiioc4.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index f6c5ba07be7..8af9b23499f 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -320,7 +320,6 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
 {
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	unsigned long dma_base = pci_resource_start(dev, 0) + IOC4_DMA_OFFSET;
-	void __iomem *virt_dma_base;
 	int num_ports = sizeof (ioc4_dma_regs_t);
 	void *pad;
 
@@ -333,14 +332,8 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
 		return -1;
 	}
 
-	virt_dma_base = ioremap(dma_base, num_ports);
-	if (virt_dma_base == NULL) {
-		printk(KERN_ERR "%s(%s) -- ERROR: unable to map addresses "
-		       "0x%lx to 0x%lx\n", __func__, hwif->name,
-		       dma_base, dma_base + num_ports - 1);
-		goto dma_remap_failure;
-	}
-	hwif->dma_base = (unsigned long) virt_dma_base;
+	hwif->dma_base = (unsigned long)hwif->io_ports.irq_addr +
+			 IOC4_DMA_OFFSET;
 
 	hwif->sg_max_nents = IOC4_PRD_ENTRIES;
 
@@ -364,9 +357,6 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d)
 	printk(KERN_INFO "%s: changing from DMA to PIO mode", hwif->name);
 
 dma_pci_alloc_failure:
-	iounmap(virt_dma_base);
-
-dma_remap_failure:
 	release_mem_region(dma_base, num_ports);
 
 	return -1;
-- 
GitLab


From a11e2afa77b9e1ddffc63e37cae5685683558870 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Fri, 17 Oct 2008 18:09:17 +0200
Subject: [PATCH 0961/2224] scc_pata: kill unused variables

Fix the "unused variable" warning in init_hwif_scc() caused by the commit
48c3c1072651922ed153bcf0a33ea82cf20df390 (ide: add struct ide_host (take 3)).
Moreover, remove the write-only variable 'dma_status_port' in init_setup_scc()
about which gcc gives no warning and which has been there from the very start...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/pci/scc_pata.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index 9ce1d805992..49f163aa51e 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -617,7 +617,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
 	unsigned long intmask_port;
 	unsigned long mode_port;
 	unsigned long ecmode_port;
-	unsigned long dma_status_port;
 	u32 reg = 0;
 	struct scc_ports *ports;
 	int rc;
@@ -637,7 +636,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev,
 	intmask_port = dma_base + 0x010;
 	mode_port = ctl_base + 0x024;
 	ecmode_port = ctl_base + 0xf00;
-	dma_status_port = dma_base + 0x004;
 
 	/* controller initialization */
 	reg = 0;
@@ -843,8 +841,6 @@ static u8 scc_cable_detect(ide_hwif_t *hwif)
 
 static void __devinit init_hwif_scc(ide_hwif_t *hwif)
 {
-	struct scc_ports *ports = ide_get_hwifdata(hwif);
-
 	/* PTERADD */
 	out_be32((void __iomem *)(hwif->dma_base + 0x018), hwif->dmatable_dma);
 
-- 
GitLab


From 769b49ce68386b21e45bb6e573b63c02020b17a1 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 17 Oct 2008 18:09:18 +0200
Subject: [PATCH 0962/2224] ide: re-add TRM290 fix lost during
 ide_build_dmatable() cleanup

commit 14c123f37187aba0b4e0e893a969efc6820c4170 ("ide: cleanup
ide_build_dmatable()") accidentally reverted TRM290 fix introduced
by commit 22e05b4549bf2405d6aca128540b20cd2dd33f1f ("ide-dma: fix
ide_build_dmatable() for TRM290").

Reported-by: Sergei Shtylylov <sshtylyov@ru.mvista.com>
Acked-by: Sergei Shtylylov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-dma-sff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c
index 0903782689e..cac431f0df1 100644
--- a/drivers/ide/ide-dma-sff.c
+++ b/drivers/ide/ide-dma-sff.c
@@ -130,7 +130,7 @@ int ide_build_dmatable(ide_drive_t *drive, struct request *rq)
 			xcount = bcount & 0xffff;
 			if (is_trm290)
 				xcount = ((xcount >> 2) - 1) << 16;
-			if (xcount == 0x0000) {
+			else if (xcount == 0x0000) {
 				if (count++ >= PRD_ENTRIES)
 					goto use_pio_instead;
 				*table++ = cpu_to_le32(0x8000);
-- 
GitLab


From 719254faa17ffedc87ba0fadb9b34e535c9758d5 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Oct 2008 09:59:47 +0200
Subject: [PATCH 0963/2224] NOHZ: unify the nohz function calls in irq_enter()

We have two separate nohz function calls in irq_enter() for no good
reason. Just call a single NOHZ function from irq_enter() and call
the bits in the tick code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/tick.h     |  7 +++----
 kernel/softirq.c         | 10 +++-------
 kernel/time/tick-sched.c | 13 ++++++++++++-
 3 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 98921a3e1aa..b6ec8189ac0 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -96,9 +96,11 @@ extern cpumask_t *tick_get_broadcast_oneshot_mask(void);
 extern void tick_clock_notify(void);
 extern int tick_check_oneshot_change(int allow_nohz);
 extern struct tick_sched *tick_get_tick_sched(int cpu);
+extern void tick_check_idle(int cpu);
 # else
 static inline void tick_clock_notify(void) { }
 static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
+static inline void tick_check_idle(int cpu) { }
 # endif
 
 #else /* CONFIG_GENERIC_CLOCKEVENTS */
@@ -106,26 +108,23 @@ static inline void tick_init(void) { }
 static inline void tick_cancel_sched_timer(int cpu) { }
 static inline void tick_clock_notify(void) { }
 static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
+static inline void tick_check_idle(int cpu) { }
 #endif /* !CONFIG_GENERIC_CLOCKEVENTS */
 
 # ifdef CONFIG_NO_HZ
 extern void tick_nohz_stop_sched_tick(int inidle);
 extern void tick_nohz_restart_sched_tick(void);
-extern void tick_nohz_update_jiffies(void);
 extern ktime_t tick_nohz_get_sleep_length(void);
-extern void tick_nohz_stop_idle(int cpu);
 extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
 # else
 static inline void tick_nohz_stop_sched_tick(int inidle) { }
 static inline void tick_nohz_restart_sched_tick(void) { }
-static inline void tick_nohz_update_jiffies(void) { }
 static inline ktime_t tick_nohz_get_sleep_length(void)
 {
 	ktime_t len = { .tv64 = NSEC_PER_SEC/HZ };
 
 	return len;
 }
-static inline void tick_nohz_stop_idle(int cpu) { }
 static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; }
 # endif /* !NO_HZ */
 
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 37d67aa2d56..d410014279e 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -265,16 +265,12 @@ asmlinkage void do_softirq(void)
  */
 void irq_enter(void)
 {
-#ifdef CONFIG_NO_HZ
 	int cpu = smp_processor_id();
+
 	if (idle_cpu(cpu) && !in_interrupt())
-		tick_nohz_stop_idle(cpu);
-#endif
+		tick_check_idle(cpu);
+
 	__irq_enter();
-#ifdef CONFIG_NO_HZ
-	if (idle_cpu(cpu))
-		tick_nohz_update_jiffies();
-#endif
 }
 
 #ifdef __ARCH_IRQ_EXIT_IRQS_DISABLED
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index b711ffcb106..fdcf3f93bb8 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -155,7 +155,7 @@ void tick_nohz_update_jiffies(void)
 	touch_softlockup_watchdog();
 }
 
-void tick_nohz_stop_idle(int cpu)
+static void tick_nohz_stop_idle(int cpu)
 {
 	struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu);
 
@@ -558,6 +558,17 @@ static inline void tick_nohz_switch_to_nohz(void) { }
 
 #endif /* NO_HZ */
 
+/*
+ * Called from irq_enter to notify about the possible interruption of idle()
+ */
+void tick_check_idle(int cpu)
+{
+#ifdef CONFIG_NO_HZ
+	tick_nohz_stop_idle(cpu);
+	tick_nohz_update_jiffies();
+#endif
+}
+
 /*
  * High resolution timer specific code
  */
-- 
GitLab


From c34bec5a44e9486597d78e7a686b2f9088a0564c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Oct 2008 10:04:34 +0200
Subject: [PATCH 0964/2224] NOHZ: split tick_nohz_restart_sched_tick()

Split out the clock event device reprogramming. Preparatory
patch.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/time/tick-sched.c | 49 ++++++++++++++++++++++------------------
 1 file changed, 27 insertions(+), 22 deletions(-)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index fdcf3f93bb8..7aedf434353 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -377,6 +377,32 @@ ktime_t tick_nohz_get_sleep_length(void)
 	return ts->sleep_length;
 }
 
+static void tick_nohz_restart(struct tick_sched *ts, ktime_t now)
+{
+	hrtimer_cancel(&ts->sched_timer);
+	ts->sched_timer.expires = ts->idle_tick;
+
+	while (1) {
+		/* Forward the time to expire in the future */
+		hrtimer_forward(&ts->sched_timer, now, tick_period);
+
+		if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
+			hrtimer_start(&ts->sched_timer,
+				      ts->sched_timer.expires,
+				      HRTIMER_MODE_ABS);
+			/* Check, if the timer was already in the past */
+			if (hrtimer_active(&ts->sched_timer))
+				break;
+		} else {
+			if (!tick_program_event(ts->sched_timer.expires, 0))
+				break;
+		}
+		/* Update jiffies and reread time */
+		tick_do_update_jiffies64(now);
+		now = ktime_get();
+	}
+}
+
 /**
  * tick_nohz_restart_sched_tick - restart the idle tick from the idle task
  *
@@ -430,28 +456,7 @@ void tick_nohz_restart_sched_tick(void)
 	 */
 	ts->tick_stopped  = 0;
 	ts->idle_exittime = now;
-	hrtimer_cancel(&ts->sched_timer);
-	ts->sched_timer.expires = ts->idle_tick;
-
-	while (1) {
-		/* Forward the time to expire in the future */
-		hrtimer_forward(&ts->sched_timer, now, tick_period);
-
-		if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
-			hrtimer_start(&ts->sched_timer,
-				      ts->sched_timer.expires,
-				      HRTIMER_MODE_ABS);
-			/* Check, if the timer was already in the past */
-			if (hrtimer_active(&ts->sched_timer))
-				break;
-		} else {
-			if (!tick_program_event(ts->sched_timer.expires, 0))
-				break;
-		}
-		/* Update jiffies and reread time */
-		tick_do_update_jiffies64(now);
-		now = ktime_get();
-	}
+	tick_nohz_restart(ts, now);
 	local_irq_enable();
 }
 
-- 
GitLab


From fb02fbc14d17837b4b7b02dbb36142c16a7bf208 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 17 Oct 2008 10:01:23 +0200
Subject: [PATCH 0965/2224] NOHZ: restart tick device from irq_enter()

We did not restart the tick device from irq_enter() to avoid double
reprogramming and extra events in the return immediate to idle case.

But long lasting softirqs can lead to a situation where jiffies become
stale:

idle()
  tick stopped (reprogrammed to next pending timer)
  halt()
   interrupt
     jiffies updated from irq_enter()
     interrupt handler
     softirq function 1 runs 20ms
     softirq function 2 arms a 10ms timer with a stale jiffies value
     jiffies updated from irq_exit()
     timer wheel has now an already expired timer
     (the one added in function 2)
     timer fires and timer softirq runs

This was discovered when debugging a timer problem which happend only
when the ath5k driver is active. The debugging proved that there is a
softirq function running for more than 20ms, which is a bug by itself.

To solve this we restart the tick timer right from irq_enter(), but do
not go through the other functions which are necessary to return from
idle when need_resched() is set.

Reported-by: Elias Oltmanns <eo@nebensachen.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Elias Oltmanns <eo@nebensachen.de>
---
 kernel/time/tick-broadcast.c | 13 +++++++++++++
 kernel/time/tick-internal.h  |  2 ++
 kernel/time/tick-sched.c     | 31 +++++++++++++++++++++++--------
 3 files changed, 38 insertions(+), 8 deletions(-)

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index cb01cd8f919..f98a1b7b16e 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -383,6 +383,19 @@ int tick_resume_broadcast_oneshot(struct clock_event_device *bc)
 	return 0;
 }
 
+/*
+ * Called from irq_enter() when idle was interrupted to reenable the
+ * per cpu device.
+ */
+void tick_check_oneshot_broadcast(int cpu)
+{
+	if (cpu_isset(cpu, tick_broadcast_oneshot_mask)) {
+		struct tick_device *td = &per_cpu(tick_cpu_device, cpu);
+
+		clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_ONESHOT);
+	}
+}
+
 /*
  * Handle oneshot mode broadcasting
  */
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 469248782c2..b1c05bf75ee 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -36,6 +36,7 @@ extern void tick_broadcast_switch_to_oneshot(void);
 extern void tick_shutdown_broadcast_oneshot(unsigned int *cpup);
 extern int tick_resume_broadcast_oneshot(struct clock_event_device *bc);
 extern int tick_broadcast_oneshot_active(void);
+extern void tick_check_oneshot_broadcast(int cpu);
 # else /* BROADCAST */
 static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
 {
@@ -45,6 +46,7 @@ static inline void tick_broadcast_oneshot_control(unsigned long reason) { }
 static inline void tick_broadcast_switch_to_oneshot(void) { }
 static inline void tick_shutdown_broadcast_oneshot(unsigned int *cpup) { }
 static inline int tick_broadcast_oneshot_active(void) { return 0; }
+static inline void tick_check_oneshot_broadcast(int cpu) { }
 # endif /* !BROADCAST */
 
 #else /* !ONESHOT */
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 7aedf434353..0581c11fe6c 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -508,10 +508,6 @@ static void tick_nohz_handler(struct clock_event_device *dev)
 	update_process_times(user_mode(regs));
 	profile_tick(CPU_PROFILING);
 
-	/* Do not restart, when we are in the idle loop */
-	if (ts->tick_stopped)
-		return;
-
 	while (tick_nohz_reprogram(ts, now)) {
 		now = ktime_get();
 		tick_do_update_jiffies64(now);
@@ -557,6 +553,27 @@ static void tick_nohz_switch_to_nohz(void)
 	       smp_processor_id());
 }
 
+/*
+ * When NOHZ is enabled and the tick is stopped, we need to kick the
+ * tick timer from irq_enter() so that the jiffies update is kept
+ * alive during long running softirqs. That's ugly as hell, but
+ * correctness is key even if we need to fix the offending softirq in
+ * the first place.
+ *
+ * Note, this is different to tick_nohz_restart. We just kick the
+ * timer and do not touch the other magic bits which need to be done
+ * when idle is left.
+ */
+static void tick_nohz_kick_tick(int cpu)
+{
+	struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu);
+
+	if (!ts->tick_stopped)
+		return;
+
+	tick_nohz_restart(ts, ktime_get());
+}
+
 #else
 
 static inline void tick_nohz_switch_to_nohz(void) { }
@@ -568,9 +585,11 @@ static inline void tick_nohz_switch_to_nohz(void) { }
  */
 void tick_check_idle(int cpu)
 {
+	tick_check_oneshot_broadcast(cpu);
 #ifdef CONFIG_NO_HZ
 	tick_nohz_stop_idle(cpu);
 	tick_nohz_update_jiffies();
+	tick_nohz_kick_tick(cpu);
 #endif
 }
 
@@ -627,10 +646,6 @@ static enum hrtimer_restart tick_sched_timer(struct hrtimer *timer)
 		profile_tick(CPU_PROFILING);
 	}
 
-	/* Do not restart, when we are in the idle loop */
-	if (ts->tick_stopped)
-		return HRTIMER_NORESTART;
-
 	hrtimer_forward(timer, now, tick_period);
 
 	return HRTIMER_RESTART;
-- 
GitLab


From 749da7912e1270abbbaef04112a7a78febf3f0f4 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:41 +0900
Subject: [PATCH 0966/2224] ia64/pv_ops: fix paravirtualization of ivt.S with
 CONFIG_SMP=n

When CONFIG_SMP=n, three instruction in ivt.S were missed to paravirtualize.
paravirtualize them.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/kernel/ivt.S | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 416a952b19b..f675d8e3385 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -580,7 +580,7 @@ ENTRY(dirty_bit)
 	mov b0=r29				// restore b0
 	;;
 	st8 [r17]=r18				// store back updated PTE
-	itc.d r18				// install updated PTE
+	ITC_D(p0, r18, r16)			// install updated PTE
 #endif
 	mov pr=r31,-1				// restore pr
 	RFI
@@ -646,7 +646,7 @@ ENTRY(iaccess_bit)
 	mov b0=r29				// restore b0
 	;;
 	st8 [r17]=r18				// store back updated PTE
-	itc.i r18				// install updated PTE
+	ITC_I(p0, r18, r16)			// install updated PTE
 #endif /* !CONFIG_SMP */
 	mov pr=r31,-1
 	RFI
@@ -698,7 +698,7 @@ ENTRY(daccess_bit)
 	or r18=_PAGE_A,r18			// set the accessed bit
 	;;
 	st8 [r17]=r18				// store back updated PTE
-	itc.d r18				// install updated PTE
+	ITC_D(p0, r18, r16)			// install updated PTE
 #endif
 	mov b0=r29				// restore b0
 	mov pr=r31,-1
-- 
GitLab


From ce1fc742f9703eeda0787b449ac57a780585bc97 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:42 +0900
Subject: [PATCH 0967/2224] ia64/pv_ops: avoid name conflict of get_irq_chip().

The macro get_irq_chip() is defined in linux/include/linux/irq.h
which cause name conflict with one in linux/arch/ia64/include/asm/paravirt.h.
rename the latter to __get_irq_chip().

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/paravirt.h | 4 ++--
 arch/ia64/kernel/paravirt.c      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h
index 660cab04483..2bf3636473f 100644
--- a/arch/ia64/include/asm/paravirt.h
+++ b/arch/ia64/include/asm/paravirt.h
@@ -117,7 +117,7 @@ static inline void paravirt_post_smp_prepare_boot_cpu(void)
 struct pv_iosapic_ops {
 	void (*pcat_compat_init)(void);
 
-	struct irq_chip *(*get_irq_chip)(unsigned long trigger);
+	struct irq_chip *(*__get_irq_chip)(unsigned long trigger);
 
 	unsigned int (*__read)(char __iomem *iosapic, unsigned int reg);
 	void (*__write)(char __iomem *iosapic, unsigned int reg, u32 val);
@@ -135,7 +135,7 @@ iosapic_pcat_compat_init(void)
 static inline struct irq_chip*
 iosapic_get_irq_chip(unsigned long trigger)
 {
-	return pv_iosapic_ops.get_irq_chip(trigger);
+	return pv_iosapic_ops.__get_irq_chip(trigger);
 }
 
 static inline unsigned int
diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c
index afaf5b9a2cf..de35d8e8b7d 100644
--- a/arch/ia64/kernel/paravirt.c
+++ b/arch/ia64/kernel/paravirt.c
@@ -332,7 +332,7 @@ ia64_native_iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val)
 
 struct pv_iosapic_ops pv_iosapic_ops = {
 	.pcat_compat_init = ia64_native_iosapic_pcat_compat_init,
-	.get_irq_chip = ia64_native_iosapic_get_irq_chip,
+	.__get_irq_chip = ia64_native_iosapic_get_irq_chip,
 
 	.__read = ia64_native_iosapic_read,
 	.__write = ia64_native_iosapic_write,
-- 
GitLab


From 41a6ba09839cc5b114ea2c2c064b056e35cf93f1 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:43 +0900
Subject: [PATCH 0968/2224] ia64/pv_ops: update native/inst.h to clobber
 predicate.

add CLOBBER_PRED() to clobber predicate register.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/native/inst.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/arch/ia64/include/asm/native/inst.h b/arch/ia64/include/asm/native/inst.h
index c8efbf7b849..0a1026cca4f 100644
--- a/arch/ia64/include/asm/native/inst.h
+++ b/arch/ia64/include/asm/native/inst.h
@@ -36,8 +36,13 @@
 	;;					\
 	movl clob = PARAVIRT_POISON;		\
 	;;
+# define CLOBBER_PRED(pred_clob)		\
+	;;					\
+	cmp.eq pred_clob, p0 = r0, r0		\
+	;;
 #else
-# define CLOBBER(clob)		/* nothing */
+# define CLOBBER(clob)			/* nothing */
+# define CLOBBER_PRED(pred_clob)	/* nothing */
 #endif
 
 #define MOV_FROM_IFA(reg)	\
@@ -136,7 +141,8 @@
 
 #define SSM_PSR_I(pred, pred_clob, clob)	\
 (pred)	ssm psr.i				\
-	CLOBBER(clob)
+	CLOBBER(clob)				\
+	CLOBBER_PRED(pred_clob)
 
 #define RSM_PSR_I(pred, clob0, clob1)	\
 (pred)	rsm psr.i			\
-- 
GitLab


From 1b4a18fcfadcc51987682fc266bb88ed59d12935 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:44 +0900
Subject: [PATCH 0969/2224] ia64: move function declaration,
 ia64_cpu_local_tick() from .c to .h

eliminate the function declaration ia64_cpu_local_tick() in
process.c by defining in arch/ia64/include/asm/timex.h
The same function will be used in a different .c file later.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/timex.h | 2 ++
 arch/ia64/kernel/process.c    | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/ia64/include/asm/timex.h b/arch/ia64/include/asm/timex.h
index 05a6baf8a47..4e03cfe74a0 100644
--- a/arch/ia64/include/asm/timex.h
+++ b/arch/ia64/include/asm/timex.h
@@ -39,4 +39,6 @@ get_cycles (void)
 	return ret;
 }
 
+extern void ia64_cpu_local_tick (void);
+
 #endif /* _ASM_IA64_TIMEX_H */
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 3ab8373103e..8de0f460c88 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -251,7 +251,6 @@ default_idle (void)
 /* We don't actually take CPU down, just spin without interrupts. */
 static inline void play_dead(void)
 {
-	extern void ia64_cpu_local_tick (void);
 	unsigned int this_cpu = smp_processor_id();
 
 	/* Ack it */
-- 
GitLab


From da0ac27213d6f8f7d6ca918031572eaf7f14dca3 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:45 +0900
Subject: [PATCH 0970/2224] ia64/xen: reserve "break" numbers used for xen
 hypercalls.

reserve "break" numbers used for xen hypercalls to avoid
reuse for something else.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/break.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/ia64/include/asm/break.h b/arch/ia64/include/asm/break.h
index f0340203989..e90c40ec9ed 100644
--- a/arch/ia64/include/asm/break.h
+++ b/arch/ia64/include/asm/break.h
@@ -20,4 +20,13 @@
  */
 #define __IA64_BREAK_SYSCALL		0x100000
 
+/*
+ * Xen specific break numbers:
+ */
+#define __IA64_XEN_HYPERCALL		0x1000
+/* [__IA64_XEN_HYPERPRIVOP_START, __IA64_XEN_HYPERPRIVOP_MAX] is used
+   for xen hyperprivops */
+#define __IA64_XEN_HYPERPRIVOP_START	0x1
+#define __IA64_XEN_HYPERPRIVOP_MAX	0x1a
+
 #endif /* _ASM_IA64_BREAK_H */
-- 
GitLab


From 1b051c6be34b3b06fa1244d9fcd47f91fb6aca1c Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:46 +0900
Subject: [PATCH 0971/2224] ia64/xen: introduce sync bitops which is necessary
 for ia64/xen support.

define sync bitops which is necessary for ia64/xen.
This bit operation is used to communicate with VMM or other guest kernel
Even when this kernel is built for UP, VMM might be SMP so that those operation
must always use atomic operation.

Cc: Robin Holt <holt@sgi.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/sync_bitops.h | 51 +++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 arch/ia64/include/asm/sync_bitops.h

diff --git a/arch/ia64/include/asm/sync_bitops.h b/arch/ia64/include/asm/sync_bitops.h
new file mode 100644
index 00000000000..593c12eeb27
--- /dev/null
+++ b/arch/ia64/include/asm/sync_bitops.h
@@ -0,0 +1,51 @@
+#ifndef _ASM_IA64_SYNC_BITOPS_H
+#define _ASM_IA64_SYNC_BITOPS_H
+
+/*
+ * Copyright (C) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *
+ * Based on synch_bitops.h which Dan Magenhaimer wrote.
+ *
+ * bit operations which provide guaranteed strong synchronisation
+ * when communicating with Xen or other guest OSes running on other CPUs.
+ */
+
+static inline void sync_set_bit(int nr, volatile void *addr)
+{
+	set_bit(nr, addr);
+}
+
+static inline void sync_clear_bit(int nr, volatile void *addr)
+{
+	clear_bit(nr, addr);
+}
+
+static inline void sync_change_bit(int nr, volatile void *addr)
+{
+	change_bit(nr, addr);
+}
+
+static inline int sync_test_and_set_bit(int nr, volatile void *addr)
+{
+	return test_and_set_bit(nr, addr);
+}
+
+static inline int sync_test_and_clear_bit(int nr, volatile void *addr)
+{
+	return test_and_clear_bit(nr, addr);
+}
+
+static inline int sync_test_and_change_bit(int nr, volatile void *addr)
+{
+	return test_and_change_bit(nr, addr);
+}
+
+static inline int sync_test_bit(int nr, const volatile void *addr)
+{
+	return test_bit(nr, addr);
+}
+
+#define sync_cmpxchg(ptr, old, new)				\
+	((__typeof__(*(ptr)))cmpxchg_acq((ptr), (old), (new)))
+
+#endif /* _ASM_IA64_SYNC_BITOPS_H */
-- 
GitLab


From 627308c90775399ea15f890723926d144874d782 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:47 +0900
Subject: [PATCH 0972/2224] ia64/xen: increase IA64_MAX_RSVD_REGIONS.

Xenlinux/ia64 needs to reserve one more region passed from xen hypervisor
as start info.

Cc: Robin Holt <holt@sgi.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/meminit.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/ia64/include/asm/meminit.h b/arch/ia64/include/asm/meminit.h
index 7245a578159..6bc96ee5432 100644
--- a/arch/ia64/include/asm/meminit.h
+++ b/arch/ia64/include/asm/meminit.h
@@ -18,10 +18,11 @@
  * 	- crash dumping code reserved region
  * 	- Kernel memory map built from EFI memory map
  * 	- ELF core header
+ *	- xen start info if CONFIG_XEN
  *
  * More could be added if necessary
  */
-#define IA64_MAX_RSVD_REGIONS 8
+#define IA64_MAX_RSVD_REGIONS 9
 
 struct rsvd_region {
 	unsigned long start;	/* virtual address of beginning of element */
-- 
GitLab


From ffcc99e992aef3bb5ab4b177b6bd84954ac2e327 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:48 +0900
Subject: [PATCH 0973/2224] ia64/xen: introduce definitions necessary for
 ia64/xen hypercalls.

import arch/ia64/include/asm/xen/interface.h to introduce
definitions necessary for ia64/xen hypercalls.
They are basic structures to communicate with xen hypervisor and
will be used later.

Cc: Robin Holt <holt@sgi.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/interface.h | 346 ++++++++++++++++++++++++++
 1 file changed, 346 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/interface.h

diff --git a/arch/ia64/include/asm/xen/interface.h b/arch/ia64/include/asm/xen/interface.h
new file mode 100644
index 00000000000..f00fab40854
--- /dev/null
+++ b/arch/ia64/include/asm/xen/interface.h
@@ -0,0 +1,346 @@
+/******************************************************************************
+ * arch-ia64/hypervisor-if.h
+ *
+ * Guest OS interface to IA64 Xen.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Copyright by those who contributed. (in alphabetical order)
+ *
+ * Anthony Xu <anthony.xu@intel.com>
+ * Eddie Dong <eddie.dong@intel.com>
+ * Fred Yang <fred.yang@intel.com>
+ * Kevin Tian <kevin.tian@intel.com>
+ * Alex Williamson <alex.williamson@hp.com>
+ * Chris Wright <chrisw@sous-sol.org>
+ * Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
+ * Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>
+ * Hollis Blanchard <hollisb@us.ibm.com>
+ * Isaku Yamahata <yamahata@valinux.co.jp>
+ * Jan Beulich <jbeulich@novell.com>
+ * John Levon <john.levon@sun.com>
+ * Kazuhiro Suzuki <kaz@jp.fujitsu.com>
+ * Keir Fraser <keir.fraser@citrix.com>
+ * Kouya Shimura <kouya@jp.fujitsu.com>
+ * Masaki Kanno <kanno.masaki@jp.fujitsu.com>
+ * Matt Chapman <matthewc@hp.com>
+ * Matthew Chapman <matthewc@hp.com>
+ * Samuel Thibault <samuel.thibault@eu.citrix.com>
+ * Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
+ * Tristan Gingold <tgingold@free.fr>
+ * Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
+ * Yutaka Ezaki <yutaka.ezaki@jp.fujitsu.com>
+ * Zhang Xin <xing.z.zhang@intel.com>
+ * Zhang xiantao <xiantao.zhang@intel.com>
+ * dan.magenheimer@hp.com
+ * ian.pratt@cl.cam.ac.uk
+ * michael.fetterman@cl.cam.ac.uk
+ */
+
+#ifndef _ASM_IA64_XEN_INTERFACE_H
+#define _ASM_IA64_XEN_INTERFACE_H
+
+#define __DEFINE_GUEST_HANDLE(name, type)	\
+	typedef struct { type *p; } __guest_handle_ ## name
+
+#define DEFINE_GUEST_HANDLE_STRUCT(name)	\
+	__DEFINE_GUEST_HANDLE(name, struct name)
+#define DEFINE_GUEST_HANDLE(name)	__DEFINE_GUEST_HANDLE(name, name)
+#define GUEST_HANDLE(name)		__guest_handle_ ## name
+#define GUEST_HANDLE_64(name)		GUEST_HANDLE(name)
+#define set_xen_guest_handle(hnd, val)	do { (hnd).p = val; } while (0)
+
+#ifndef __ASSEMBLY__
+/* Guest handles for primitive C types. */
+__DEFINE_GUEST_HANDLE(uchar, unsigned char);
+__DEFINE_GUEST_HANDLE(uint, unsigned int);
+__DEFINE_GUEST_HANDLE(ulong, unsigned long);
+__DEFINE_GUEST_HANDLE(u64, unsigned long);
+DEFINE_GUEST_HANDLE(char);
+DEFINE_GUEST_HANDLE(int);
+DEFINE_GUEST_HANDLE(long);
+DEFINE_GUEST_HANDLE(void);
+
+typedef unsigned long xen_pfn_t;
+DEFINE_GUEST_HANDLE(xen_pfn_t);
+#define PRI_xen_pfn	"lx"
+#endif
+
+/* Arch specific VIRQs definition */
+#define VIRQ_ITC	VIRQ_ARCH_0	/* V. Virtual itc timer */
+#define VIRQ_MCA_CMC	VIRQ_ARCH_1	/* MCA cmc interrupt */
+#define VIRQ_MCA_CPE	VIRQ_ARCH_2	/* MCA cpe interrupt */
+
+/* Maximum number of virtual CPUs in multi-processor guests. */
+/* keep sizeof(struct shared_page) <= PAGE_SIZE.
+ * this is checked in arch/ia64/xen/hypervisor.c. */
+#define MAX_VIRT_CPUS	64
+
+#ifndef __ASSEMBLY__
+
+#define INVALID_MFN	(~0UL)
+
+union vac {
+	unsigned long value;
+	struct {
+		int a_int:1;
+		int a_from_int_cr:1;
+		int a_to_int_cr:1;
+		int a_from_psr:1;
+		int a_from_cpuid:1;
+		int a_cover:1;
+		int a_bsw:1;
+		long reserved:57;
+	};
+};
+
+union vdc {
+	unsigned long value;
+	struct {
+		int d_vmsw:1;
+		int d_extint:1;
+		int d_ibr_dbr:1;
+		int d_pmc:1;
+		int d_to_pmd:1;
+		int d_itm:1;
+		long reserved:58;
+	};
+};
+
+struct mapped_regs {
+	union vac vac;
+	union vdc vdc;
+	unsigned long virt_env_vaddr;
+	unsigned long reserved1[29];
+	unsigned long vhpi;
+	unsigned long reserved2[95];
+	union {
+		unsigned long vgr[16];
+		unsigned long bank1_regs[16];	/* bank1 regs (r16-r31)
+						   when bank0 active */
+	};
+	union {
+		unsigned long vbgr[16];
+		unsigned long bank0_regs[16];	/* bank0 regs (r16-r31)
+						   when bank1 active */
+	};
+	unsigned long vnat;
+	unsigned long vbnat;
+	unsigned long vcpuid[5];
+	unsigned long reserved3[11];
+	unsigned long vpsr;
+	unsigned long vpr;
+	unsigned long reserved4[76];
+	union {
+		unsigned long vcr[128];
+		struct {
+			unsigned long dcr;	/* CR0 */
+			unsigned long itm;
+			unsigned long iva;
+			unsigned long rsv1[5];
+			unsigned long pta;	/* CR8 */
+			unsigned long rsv2[7];
+			unsigned long ipsr;	/* CR16 */
+			unsigned long isr;
+			unsigned long rsv3;
+			unsigned long iip;
+			unsigned long ifa;
+			unsigned long itir;
+			unsigned long iipa;
+			unsigned long ifs;
+			unsigned long iim;	/* CR24 */
+			unsigned long iha;
+			unsigned long rsv4[38];
+			unsigned long lid;	/* CR64 */
+			unsigned long ivr;
+			unsigned long tpr;
+			unsigned long eoi;
+			unsigned long irr[4];
+			unsigned long itv;	/* CR72 */
+			unsigned long pmv;
+			unsigned long cmcv;
+			unsigned long rsv5[5];
+			unsigned long lrr0;	/* CR80 */
+			unsigned long lrr1;
+			unsigned long rsv6[46];
+		};
+	};
+	union {
+		unsigned long reserved5[128];
+		struct {
+			unsigned long precover_ifs;
+			unsigned long unat;	/* not sure if this is needed
+						   until NaT arch is done */
+			int interrupt_collection_enabled; /* virtual psr.ic */
+
+			/* virtual interrupt deliverable flag is
+			 * evtchn_upcall_mask in shared info area now.
+			 * interrupt_mask_addr is the address
+			 * of evtchn_upcall_mask for current vcpu
+			 */
+			unsigned char *interrupt_mask_addr;
+			int pending_interruption;
+			unsigned char vpsr_pp;
+			unsigned char vpsr_dfh;
+			unsigned char hpsr_dfh;
+			unsigned char hpsr_mfh;
+			unsigned long reserved5_1[4];
+			int metaphysical_mode;	/* 1 = use metaphys mapping
+						   0 = use virtual */
+			int banknum;		/* 0 or 1, which virtual
+						   register bank is active */
+			unsigned long rrs[8];	/* region registers */
+			unsigned long krs[8];	/* kernel registers */
+			unsigned long tmp[16];	/* temp registers
+						   (e.g. for hyperprivops) */
+		};
+	};
+};
+
+struct arch_vcpu_info {
+	/* nothing */
+};
+
+/*
+ * This structure is used for magic page in domain pseudo physical address
+ * space and the result of XENMEM_machine_memory_map.
+ * As the XENMEM_machine_memory_map result,
+ * xen_memory_map::nr_entries indicates the size in bytes
+ * including struct xen_ia64_memmap_info. Not the number of entries.
+ */
+struct xen_ia64_memmap_info {
+	uint64_t efi_memmap_size;	/* size of EFI memory map */
+	uint64_t efi_memdesc_size;	/* size of an EFI memory map
+					 * descriptor */
+	uint32_t efi_memdesc_version;	/* memory descriptor version */
+	void *memdesc[0];		/* array of efi_memory_desc_t */
+};
+
+struct arch_shared_info {
+	/* PFN of the start_info page.	*/
+	unsigned long start_info_pfn;
+
+	/* Interrupt vector for event channel.	*/
+	int evtchn_vector;
+
+	/* PFN of memmap_info page */
+	unsigned int memmap_info_num_pages;	/* currently only = 1 case is
+						   supported. */
+	unsigned long memmap_info_pfn;
+
+	uint64_t pad[31];
+};
+
+struct xen_callback {
+	unsigned long ip;
+};
+typedef struct xen_callback xen_callback_t;
+
+#endif /* !__ASSEMBLY__ */
+
+/* Size of the shared_info area (this is not related to page size).  */
+#define XSI_SHIFT			14
+#define XSI_SIZE			(1 << XSI_SHIFT)
+/* Log size of mapped_regs area (64 KB - only 4KB is used).  */
+#define XMAPPEDREGS_SHIFT		12
+#define XMAPPEDREGS_SIZE		(1 << XMAPPEDREGS_SHIFT)
+/* Offset of XASI (Xen arch shared info) wrt XSI_BASE.	*/
+#define XMAPPEDREGS_OFS			XSI_SIZE
+
+/* Hyperprivops.  */
+#define HYPERPRIVOP_START		0x1
+#define HYPERPRIVOP_RFI			(HYPERPRIVOP_START + 0x0)
+#define HYPERPRIVOP_RSM_DT		(HYPERPRIVOP_START + 0x1)
+#define HYPERPRIVOP_SSM_DT		(HYPERPRIVOP_START + 0x2)
+#define HYPERPRIVOP_COVER		(HYPERPRIVOP_START + 0x3)
+#define HYPERPRIVOP_ITC_D		(HYPERPRIVOP_START + 0x4)
+#define HYPERPRIVOP_ITC_I		(HYPERPRIVOP_START + 0x5)
+#define HYPERPRIVOP_SSM_I		(HYPERPRIVOP_START + 0x6)
+#define HYPERPRIVOP_GET_IVR		(HYPERPRIVOP_START + 0x7)
+#define HYPERPRIVOP_GET_TPR		(HYPERPRIVOP_START + 0x8)
+#define HYPERPRIVOP_SET_TPR		(HYPERPRIVOP_START + 0x9)
+#define HYPERPRIVOP_EOI			(HYPERPRIVOP_START + 0xa)
+#define HYPERPRIVOP_SET_ITM		(HYPERPRIVOP_START + 0xb)
+#define HYPERPRIVOP_THASH		(HYPERPRIVOP_START + 0xc)
+#define HYPERPRIVOP_PTC_GA		(HYPERPRIVOP_START + 0xd)
+#define HYPERPRIVOP_ITR_D		(HYPERPRIVOP_START + 0xe)
+#define HYPERPRIVOP_GET_RR		(HYPERPRIVOP_START + 0xf)
+#define HYPERPRIVOP_SET_RR		(HYPERPRIVOP_START + 0x10)
+#define HYPERPRIVOP_SET_KR		(HYPERPRIVOP_START + 0x11)
+#define HYPERPRIVOP_FC			(HYPERPRIVOP_START + 0x12)
+#define HYPERPRIVOP_GET_CPUID		(HYPERPRIVOP_START + 0x13)
+#define HYPERPRIVOP_GET_PMD		(HYPERPRIVOP_START + 0x14)
+#define HYPERPRIVOP_GET_EFLAG		(HYPERPRIVOP_START + 0x15)
+#define HYPERPRIVOP_SET_EFLAG		(HYPERPRIVOP_START + 0x16)
+#define HYPERPRIVOP_RSM_BE		(HYPERPRIVOP_START + 0x17)
+#define HYPERPRIVOP_GET_PSR		(HYPERPRIVOP_START + 0x18)
+#define HYPERPRIVOP_SET_RR0_TO_RR4	(HYPERPRIVOP_START + 0x19)
+#define HYPERPRIVOP_MAX			(0x1a)
+
+/* Fast and light hypercalls.  */
+#define __HYPERVISOR_ia64_fast_eoi	__HYPERVISOR_arch_1
+
+/* Xencomm macros.  */
+#define XENCOMM_INLINE_MASK		0xf800000000000000UL
+#define XENCOMM_INLINE_FLAG		0x8000000000000000UL
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Optimization features.
+ * The hypervisor may do some special optimizations for guests. This hypercall
+ * can be used to switch on/of these special optimizations.
+ */
+#define __HYPERVISOR_opt_feature	0x700UL
+
+#define XEN_IA64_OPTF_OFF		0x0
+#define XEN_IA64_OPTF_ON		0x1
+
+/*
+ * If this feature is switched on, the hypervisor inserts the
+ * tlb entries without calling the guests traphandler.
+ * This is useful in guests using region 7 for identity mapping
+ * like the linux kernel does.
+ */
+#define XEN_IA64_OPTF_IDENT_MAP_REG7	1
+
+/* Identity mapping of region 4 addresses in HVM. */
+#define XEN_IA64_OPTF_IDENT_MAP_REG4	2
+
+/* Identity mapping of region 5 addresses in HVM. */
+#define XEN_IA64_OPTF_IDENT_MAP_REG5	3
+
+#define XEN_IA64_OPTF_IDENT_MAP_NOT_SET	 (0)
+
+struct xen_ia64_opt_feature {
+	unsigned long cmd;	/* Which feature */
+	unsigned char on;	/* Switch feature on/off */
+	union {
+		struct {
+			/* The page protection bit mask of the pte.
+			 * This will be or'ed with the pte. */
+			unsigned long pgprot;
+			unsigned long key;	/* A protection key for itir.*/
+		};
+	};
+};
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_IA64_XEN_INTERFACE_H */
-- 
GitLab


From b31c09bd82731600a72c83894e7c6a53b36b6c83 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:49 +0900
Subject: [PATCH 0974/2224] ia64/xen: define several constants for ia64/xen.

define several constants for ia64/xen.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/kernel/asm-offsets.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index 94c44b1ccfd..eaa988baa87 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -16,6 +16,8 @@
 #include <asm/sigcontext.h>
 #include <asm/mca.h>
 
+#include <asm/xen/interface.h>
+
 #include "../kernel/sigframe.h"
 #include "../kernel/fsyscall_gtod_data.h"
 
@@ -286,4 +288,29 @@ void foo(void)
 		offsetof (struct itc_jitter_data_t, itc_jitter));
 	DEFINE(IA64_ITC_LASTCYCLE_OFFSET,
 		offsetof (struct itc_jitter_data_t, itc_lastcycle));
+
+#ifdef CONFIG_XEN
+	BLANK();
+
+#define DEFINE_MAPPED_REG_OFS(sym, field) \
+	DEFINE(sym, (XMAPPEDREGS_OFS + offsetof(struct mapped_regs, field)))
+
+	DEFINE_MAPPED_REG_OFS(XSI_PSR_I_ADDR_OFS, interrupt_mask_addr);
+	DEFINE_MAPPED_REG_OFS(XSI_IPSR_OFS, ipsr);
+	DEFINE_MAPPED_REG_OFS(XSI_IIP_OFS, iip);
+	DEFINE_MAPPED_REG_OFS(XSI_IFS_OFS, ifs);
+	DEFINE_MAPPED_REG_OFS(XSI_PRECOVER_IFS_OFS, precover_ifs);
+	DEFINE_MAPPED_REG_OFS(XSI_ISR_OFS, isr);
+	DEFINE_MAPPED_REG_OFS(XSI_IFA_OFS, ifa);
+	DEFINE_MAPPED_REG_OFS(XSI_IIPA_OFS, iipa);
+	DEFINE_MAPPED_REG_OFS(XSI_IIM_OFS, iim);
+	DEFINE_MAPPED_REG_OFS(XSI_IHA_OFS, iha);
+	DEFINE_MAPPED_REG_OFS(XSI_ITIR_OFS, itir);
+	DEFINE_MAPPED_REG_OFS(XSI_PSR_IC_OFS, interrupt_collection_enabled);
+	DEFINE_MAPPED_REG_OFS(XSI_BANKNUM_OFS, banknum);
+	DEFINE_MAPPED_REG_OFS(XSI_BANK0_R16_OFS, bank0_regs[0]);
+	DEFINE_MAPPED_REG_OFS(XSI_BANK1_R16_OFS, bank1_regs[0]);
+	DEFINE_MAPPED_REG_OFS(XSI_B0NATS_OFS, vbnat);
+	DEFINE_MAPPED_REG_OFS(XSI_B1NATS_OFS, vnat);
+#endif /* CONFIG_XEN */
 }
-- 
GitLab


From 25c7bfaef201ab8cef400ea96e27803e1d32697a Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:50 +0900
Subject: [PATCH 0975/2224] ia64/xen: add a necessary header file to compile
 include/xen/interface/xen.h

Create include/asm-ia64/pvclock-abi.h to compile which contains
the same definitions of include/asm-x86/pvclock-abi.h because ia64/xen
uses same structure.
Hopefully include/asm-x86/pvclock-abi.h would be moved to somewhere
more generic.

Another approach is to include include/asm-x86/pvclock-abi.h
from include/asm-ia64/pvclock-abi.h. But this would break
if/when x86 header files are moved under arch/x86.
So for now, same definitions are duplicated as suggested by Tony.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/pvclock-abi.h | 48 +++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 arch/ia64/include/asm/pvclock-abi.h

diff --git a/arch/ia64/include/asm/pvclock-abi.h b/arch/ia64/include/asm/pvclock-abi.h
new file mode 100644
index 00000000000..44ef9ef8f5b
--- /dev/null
+++ b/arch/ia64/include/asm/pvclock-abi.h
@@ -0,0 +1,48 @@
+/*
+ * same structure to x86's
+ * Hopefully asm-x86/pvclock-abi.h would be moved to somewhere more generic.
+ * For now, define same duplicated definitions.
+ */
+
+#ifndef _ASM_IA64__PVCLOCK_ABI_H
+#define _ASM_IA64__PVCLOCK_ABI_H
+#ifndef __ASSEMBLY__
+
+/*
+ * These structs MUST NOT be changed.
+ * They are the ABI between hypervisor and guest OS.
+ * Both Xen and KVM are using this.
+ *
+ * pvclock_vcpu_time_info holds the system time and the tsc timestamp
+ * of the last update. So the guest can use the tsc delta to get a
+ * more precise system time.  There is one per virtual cpu.
+ *
+ * pvclock_wall_clock references the point in time when the system
+ * time was zero (usually boot time), thus the guest calculates the
+ * current wall clock by adding the system time.
+ *
+ * Protocol for the "version" fields is: hypervisor raises it (making
+ * it uneven) before it starts updating the fields and raises it again
+ * (making it even) when it is done.  Thus the guest can make sure the
+ * time values it got are consistent by checking the version before
+ * and after reading them.
+ */
+
+struct pvclock_vcpu_time_info {
+	u32   version;
+	u32   pad0;
+	u64   tsc_timestamp;
+	u64   system_time;
+	u32   tsc_to_system_mul;
+	s8    tsc_shift;
+	u8    pad[3];
+} __attribute__((__packed__)); /* 32 bytes */
+
+struct pvclock_wall_clock {
+	u32   version;
+	u32   sec;
+	u32   nsec;
+} __attribute__((__packed__));
+
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_IA64__PVCLOCK_ABI_H */
-- 
GitLab


From 67fe8d27a8b0845d6a5237af340fe5039335bf99 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:51 +0900
Subject: [PATCH 0976/2224] ia64/xen: define helper functions for xen related
 address conversion.

Xen needs some address conversions between pseudo physical
address (guest phsyical address), guest machine address
(real machine address) and dma address.
Define helper functions for those address conversion.

Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/page.h | 65 ++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/page.h

diff --git a/arch/ia64/include/asm/xen/page.h b/arch/ia64/include/asm/xen/page.h
new file mode 100644
index 00000000000..03441a780b5
--- /dev/null
+++ b/arch/ia64/include/asm/xen/page.h
@@ -0,0 +1,65 @@
+/******************************************************************************
+ * arch/ia64/include/asm/xen/page.h
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef _ASM_IA64_XEN_PAGE_H
+#define _ASM_IA64_XEN_PAGE_H
+
+#define INVALID_P2M_ENTRY	(~0UL)
+
+static inline unsigned long mfn_to_pfn(unsigned long mfn)
+{
+	return mfn;
+}
+
+static inline unsigned long pfn_to_mfn(unsigned long pfn)
+{
+	return pfn;
+}
+
+#define phys_to_machine_mapping_valid(_x)	(1)
+
+static inline void *mfn_to_virt(unsigned long mfn)
+{
+	return __va(mfn << PAGE_SHIFT);
+}
+
+static inline unsigned long virt_to_mfn(void *virt)
+{
+	return __pa(virt) >> PAGE_SHIFT;
+}
+
+/* for tpmfront.c */
+static inline unsigned long virt_to_machine(void *virt)
+{
+	return __pa(virt);
+}
+
+static inline void set_phys_to_machine(unsigned long pfn, unsigned long mfn)
+{
+	/* nothing */
+}
+
+#define pte_mfn(_x)	pte_pfn(_x)
+#define mfn_pte(_x, _y)	__pte_ma(0)		/* unmodified use */
+#define __pte_ma(_x)	((pte_t) {(_x)})        /* unmodified use */
+
+#endif /* _ASM_IA64_XEN_PAGE_H */
-- 
GitLab


From ed50bd6096dab96e4c501d600776b75687dd2cf0 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:52 +0900
Subject: [PATCH 0977/2224] ia64/xen: define helper functions for xen
 hypercalls.

introduce helper functions for xen hypercalls which
traps to hypervisor.

Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/hypercall.h | 265 ++++++++++++++++++++++++++
 arch/ia64/include/asm/xen/privop.h    | 129 +++++++++++++
 arch/ia64/xen/Makefile                |   5 +
 arch/ia64/xen/hypercall.S             |  91 +++++++++
 4 files changed, 490 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/hypercall.h
 create mode 100644 arch/ia64/include/asm/xen/privop.h
 create mode 100644 arch/ia64/xen/Makefile
 create mode 100644 arch/ia64/xen/hypercall.S

diff --git a/arch/ia64/include/asm/xen/hypercall.h b/arch/ia64/include/asm/xen/hypercall.h
new file mode 100644
index 00000000000..96fc62366aa
--- /dev/null
+++ b/arch/ia64/include/asm/xen/hypercall.h
@@ -0,0 +1,265 @@
+/******************************************************************************
+ * hypercall.h
+ *
+ * Linux-specific hypervisor handling.
+ *
+ * Copyright (c) 2002-2004, K A Fraser
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation; or, when distributed
+ * separately from the Linux kernel or incorporated into other
+ * software packages, subject to the following license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef _ASM_IA64_XEN_HYPERCALL_H
+#define _ASM_IA64_XEN_HYPERCALL_H
+
+#include <xen/interface/xen.h>
+#include <xen/interface/physdev.h>
+#include <xen/interface/sched.h>
+#include <asm/xen/xcom_hcall.h>
+struct xencomm_handle;
+extern unsigned long __hypercall(unsigned long a1, unsigned long a2,
+				 unsigned long a3, unsigned long a4,
+				 unsigned long a5, unsigned long cmd);
+
+/*
+ * Assembler stubs for hyper-calls.
+ */
+
+#define _hypercall0(type, name)					\
+({								\
+	long __res;						\
+	__res = __hypercall(0, 0, 0, 0, 0, __HYPERVISOR_##name);\
+	(type)__res;						\
+})
+
+#define _hypercall1(type, name, a1)				\
+({								\
+	long __res;						\
+	__res = __hypercall((unsigned long)a1,			\
+			     0, 0, 0, 0, __HYPERVISOR_##name);	\
+	(type)__res;						\
+})
+
+#define _hypercall2(type, name, a1, a2)				\
+({								\
+	long __res;						\
+	__res = __hypercall((unsigned long)a1,			\
+			    (unsigned long)a2,			\
+			    0, 0, 0, __HYPERVISOR_##name);	\
+	(type)__res;						\
+})
+
+#define _hypercall3(type, name, a1, a2, a3)			\
+({								\
+	long __res;						\
+	__res = __hypercall((unsigned long)a1,			\
+			    (unsigned long)a2,			\
+			    (unsigned long)a3,			\
+			    0, 0, __HYPERVISOR_##name);		\
+	(type)__res;						\
+})
+
+#define _hypercall4(type, name, a1, a2, a3, a4)			\
+({								\
+	long __res;						\
+	__res = __hypercall((unsigned long)a1,			\
+			    (unsigned long)a2,			\
+			    (unsigned long)a3,			\
+			    (unsigned long)a4,			\
+			    0, __HYPERVISOR_##name);		\
+	(type)__res;						\
+})
+
+#define _hypercall5(type, name, a1, a2, a3, a4, a5)		\
+({								\
+	long __res;						\
+	__res = __hypercall((unsigned long)a1,			\
+			    (unsigned long)a2,			\
+			    (unsigned long)a3,			\
+			    (unsigned long)a4,			\
+			    (unsigned long)a5,			\
+			    __HYPERVISOR_##name);		\
+	(type)__res;						\
+})
+
+
+static inline int
+xencomm_arch_hypercall_sched_op(int cmd, struct xencomm_handle *arg)
+{
+	return _hypercall2(int, sched_op_new, cmd, arg);
+}
+
+static inline long
+HYPERVISOR_set_timer_op(u64 timeout)
+{
+	unsigned long timeout_hi = (unsigned long)(timeout >> 32);
+	unsigned long timeout_lo = (unsigned long)timeout;
+	return _hypercall2(long, set_timer_op, timeout_lo, timeout_hi);
+}
+
+static inline int
+xencomm_arch_hypercall_multicall(struct xencomm_handle *call_list,
+				 int nr_calls)
+{
+	return _hypercall2(int, multicall, call_list, nr_calls);
+}
+
+static inline int
+xencomm_arch_hypercall_memory_op(unsigned int cmd, struct xencomm_handle *arg)
+{
+	return _hypercall2(int, memory_op, cmd, arg);
+}
+
+static inline int
+xencomm_arch_hypercall_event_channel_op(int cmd, struct xencomm_handle *arg)
+{
+	return _hypercall2(int, event_channel_op, cmd, arg);
+}
+
+static inline int
+xencomm_arch_hypercall_xen_version(int cmd, struct xencomm_handle *arg)
+{
+	return _hypercall2(int, xen_version, cmd, arg);
+}
+
+static inline int
+xencomm_arch_hypercall_console_io(int cmd, int count,
+				  struct xencomm_handle *str)
+{
+	return _hypercall3(int, console_io, cmd, count, str);
+}
+
+static inline int
+xencomm_arch_hypercall_physdev_op(int cmd, struct xencomm_handle *arg)
+{
+	return _hypercall2(int, physdev_op, cmd, arg);
+}
+
+static inline int
+xencomm_arch_hypercall_grant_table_op(unsigned int cmd,
+				      struct xencomm_handle *uop,
+				      unsigned int count)
+{
+	return _hypercall3(int, grant_table_op, cmd, uop, count);
+}
+
+int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count);
+
+extern int xencomm_arch_hypercall_suspend(struct xencomm_handle *arg);
+
+static inline int
+xencomm_arch_hypercall_callback_op(int cmd, struct xencomm_handle *arg)
+{
+	return _hypercall2(int, callback_op, cmd, arg);
+}
+
+static inline long
+xencomm_arch_hypercall_vcpu_op(int cmd, int cpu, void *arg)
+{
+	return _hypercall3(long, vcpu_op, cmd, cpu, arg);
+}
+
+static inline int
+HYPERVISOR_physdev_op(int cmd, void *arg)
+{
+	switch (cmd) {
+	case PHYSDEVOP_eoi:
+		return _hypercall1(int, ia64_fast_eoi,
+				   ((struct physdev_eoi *)arg)->irq);
+	default:
+		return xencomm_hypercall_physdev_op(cmd, arg);
+	}
+}
+
+static inline long
+xencomm_arch_hypercall_opt_feature(struct xencomm_handle *arg)
+{
+	return _hypercall1(long, opt_feature, arg);
+}
+
+/* for balloon driver */
+#define HYPERVISOR_update_va_mapping(va, new_val, flags) (0)
+
+/* Use xencomm to do hypercalls.  */
+#define HYPERVISOR_sched_op xencomm_hypercall_sched_op
+#define HYPERVISOR_event_channel_op xencomm_hypercall_event_channel_op
+#define HYPERVISOR_callback_op xencomm_hypercall_callback_op
+#define HYPERVISOR_multicall xencomm_hypercall_multicall
+#define HYPERVISOR_xen_version xencomm_hypercall_xen_version
+#define HYPERVISOR_console_io xencomm_hypercall_console_io
+#define HYPERVISOR_memory_op xencomm_hypercall_memory_op
+#define HYPERVISOR_suspend xencomm_hypercall_suspend
+#define HYPERVISOR_vcpu_op xencomm_hypercall_vcpu_op
+#define HYPERVISOR_opt_feature xencomm_hypercall_opt_feature
+
+/* to compile gnttab_copy_grant_page() in drivers/xen/core/gnttab.c */
+#define HYPERVISOR_mmu_update(req, count, success_count, domid) ({ BUG(); 0; })
+
+static inline int
+HYPERVISOR_shutdown(
+	unsigned int reason)
+{
+	struct sched_shutdown sched_shutdown = {
+		.reason = reason
+	};
+
+	int rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &sched_shutdown);
+
+	return rc;
+}
+
+/* for netfront.c, netback.c */
+#define MULTI_UVMFLAGS_INDEX 0 /* XXX any value */
+
+static inline void
+MULTI_update_va_mapping(
+	struct multicall_entry *mcl, unsigned long va,
+	pte_t new_val, unsigned long flags)
+{
+	mcl->op = __HYPERVISOR_update_va_mapping;
+	mcl->result = 0;
+}
+
+static inline void
+MULTI_grant_table_op(struct multicall_entry *mcl, unsigned int cmd,
+	void *uop, unsigned int count)
+{
+	mcl->op = __HYPERVISOR_grant_table_op;
+	mcl->args[0] = cmd;
+	mcl->args[1] = (unsigned long)uop;
+	mcl->args[2] = count;
+}
+
+static inline void
+MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req,
+		 int count, int *success_count, domid_t domid)
+{
+	mcl->op = __HYPERVISOR_mmu_update;
+	mcl->args[0] = (unsigned long)req;
+	mcl->args[1] = count;
+	mcl->args[2] = (unsigned long)success_count;
+	mcl->args[3] = domid;
+}
+
+#endif /* _ASM_IA64_XEN_HYPERCALL_H */
diff --git a/arch/ia64/include/asm/xen/privop.h b/arch/ia64/include/asm/xen/privop.h
new file mode 100644
index 00000000000..71ec7546e10
--- /dev/null
+++ b/arch/ia64/include/asm/xen/privop.h
@@ -0,0 +1,129 @@
+#ifndef _ASM_IA64_XEN_PRIVOP_H
+#define _ASM_IA64_XEN_PRIVOP_H
+
+/*
+ * Copyright (C) 2005 Hewlett-Packard Co
+ *	Dan Magenheimer <dan.magenheimer@hp.com>
+ *
+ * Paravirtualizations of privileged operations for Xen/ia64
+ *
+ *
+ * inline privop and paravirt_alt support
+ * Copyright (c) 2007 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ */
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>		/* arch-ia64.h requires uint64_t */
+#endif
+#include <asm/xen/interface.h>
+
+/* At 1 MB, before per-cpu space but still addressable using addl instead
+   of movl. */
+#define XSI_BASE			0xfffffffffff00000
+
+/* Address of mapped regs.  */
+#define XMAPPEDREGS_BASE		(XSI_BASE + XSI_SIZE)
+
+#ifdef __ASSEMBLY__
+#define XEN_HYPER_RFI			break HYPERPRIVOP_RFI
+#define XEN_HYPER_RSM_PSR_DT		break HYPERPRIVOP_RSM_DT
+#define XEN_HYPER_SSM_PSR_DT		break HYPERPRIVOP_SSM_DT
+#define XEN_HYPER_COVER			break HYPERPRIVOP_COVER
+#define XEN_HYPER_ITC_D			break HYPERPRIVOP_ITC_D
+#define XEN_HYPER_ITC_I			break HYPERPRIVOP_ITC_I
+#define XEN_HYPER_SSM_I			break HYPERPRIVOP_SSM_I
+#define XEN_HYPER_GET_IVR		break HYPERPRIVOP_GET_IVR
+#define XEN_HYPER_THASH			break HYPERPRIVOP_THASH
+#define XEN_HYPER_ITR_D			break HYPERPRIVOP_ITR_D
+#define XEN_HYPER_SET_KR		break HYPERPRIVOP_SET_KR
+#define XEN_HYPER_GET_PSR		break HYPERPRIVOP_GET_PSR
+#define XEN_HYPER_SET_RR0_TO_RR4	break HYPERPRIVOP_SET_RR0_TO_RR4
+
+#define XSI_IFS				(XSI_BASE + XSI_IFS_OFS)
+#define XSI_PRECOVER_IFS		(XSI_BASE + XSI_PRECOVER_IFS_OFS)
+#define XSI_IFA				(XSI_BASE + XSI_IFA_OFS)
+#define XSI_ISR				(XSI_BASE + XSI_ISR_OFS)
+#define XSI_IIM				(XSI_BASE + XSI_IIM_OFS)
+#define XSI_ITIR			(XSI_BASE + XSI_ITIR_OFS)
+#define XSI_PSR_I_ADDR			(XSI_BASE + XSI_PSR_I_ADDR_OFS)
+#define XSI_PSR_IC			(XSI_BASE + XSI_PSR_IC_OFS)
+#define XSI_IPSR			(XSI_BASE + XSI_IPSR_OFS)
+#define XSI_IIP				(XSI_BASE + XSI_IIP_OFS)
+#define XSI_B1NAT			(XSI_BASE + XSI_B1NATS_OFS)
+#define XSI_BANK1_R16			(XSI_BASE + XSI_BANK1_R16_OFS)
+#define XSI_BANKNUM			(XSI_BASE + XSI_BANKNUM_OFS)
+#define XSI_IHA				(XSI_BASE + XSI_IHA_OFS)
+#endif
+
+#ifndef __ASSEMBLY__
+
+/************************************************/
+/* Instructions paravirtualized for correctness */
+/************************************************/
+
+/* "fc" and "thash" are privilege-sensitive instructions, meaning they
+ *  may have different semantics depending on whether they are executed
+ *  at PL0 vs PL!=0.  When paravirtualized, these instructions mustn't
+ *  be allowed to execute directly, lest incorrect semantics result. */
+extern void xen_fc(unsigned long addr);
+extern unsigned long xen_thash(unsigned long addr);
+
+/* Note that "ttag" and "cover" are also privilege-sensitive; "ttag"
+ * is not currently used (though it may be in a long-format VHPT system!)
+ * and the semantics of cover only change if psr.ic is off which is very
+ * rare (and currently non-existent outside of assembly code */
+
+/* There are also privilege-sensitive registers.  These registers are
+ * readable at any privilege level but only writable at PL0. */
+extern unsigned long xen_get_cpuid(int index);
+extern unsigned long xen_get_pmd(int index);
+
+extern unsigned long xen_get_eflag(void);	/* see xen_ia64_getreg */
+extern void xen_set_eflag(unsigned long);	/* see xen_ia64_setreg */
+
+/************************************************/
+/* Instructions paravirtualized for performance */
+/************************************************/
+
+/* Xen uses memory-mapped virtual privileged registers for access to many
+ * performance-sensitive privileged registers.  Some, like the processor
+ * status register (psr), are broken up into multiple memory locations.
+ * Others, like "pend", are abstractions based on privileged registers.
+ * "Pend" is guaranteed to be set if reading cr.ivr would return a
+ * (non-spurious) interrupt. */
+#define XEN_MAPPEDREGS ((struct mapped_regs *)XMAPPEDREGS_BASE)
+
+#define XSI_PSR_I			\
+	(*XEN_MAPPEDREGS->interrupt_mask_addr)
+#define xen_get_virtual_psr_i()		\
+	(!XSI_PSR_I)
+#define xen_set_virtual_psr_i(_val)	\
+	({ XSI_PSR_I = (uint8_t)(_val) ? 0 : 1; })
+#define xen_set_virtual_psr_ic(_val)	\
+	({ XEN_MAPPEDREGS->interrupt_collection_enabled = _val ? 1 : 0; })
+#define xen_get_virtual_pend()		\
+	(*(((uint8_t *)XEN_MAPPEDREGS->interrupt_mask_addr) - 1))
+
+/* Although all privileged operations can be left to trap and will
+ * be properly handled by Xen, some are frequent enough that we use
+ * hyperprivops for performance. */
+extern unsigned long xen_get_psr(void);
+extern unsigned long xen_get_ivr(void);
+extern unsigned long xen_get_tpr(void);
+extern void xen_hyper_ssm_i(void);
+extern void xen_set_itm(unsigned long);
+extern void xen_set_tpr(unsigned long);
+extern void xen_eoi(unsigned long);
+extern unsigned long xen_get_rr(unsigned long index);
+extern void xen_set_rr(unsigned long index, unsigned long val);
+extern void xen_set_rr0_to_rr4(unsigned long val0, unsigned long val1,
+			       unsigned long val2, unsigned long val3,
+			       unsigned long val4);
+extern void xen_set_kr(unsigned long index, unsigned long val);
+extern void xen_ptcga(unsigned long addr, unsigned long size);
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_IA64_XEN_PRIVOP_H */
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
new file mode 100644
index 00000000000..c200704e233
--- /dev/null
+++ b/arch/ia64/xen/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for Xen components
+#
+
+obj-y := hypercall.o
diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S
new file mode 100644
index 00000000000..d4ff0b9e79f
--- /dev/null
+++ b/arch/ia64/xen/hypercall.S
@@ -0,0 +1,91 @@
+/*
+ * Support routines for Xen hypercalls
+ *
+ * Copyright (C) 2005 Dan Magenheimer <dan.magenheimer@hp.com>
+ * Copyright (C) 2008 Yaozu (Eddie) Dong <eddie.dong@intel.com>
+ */
+
+#include <asm/asmmacro.h>
+#include <asm/intrinsics.h>
+#include <asm/xen/privop.h>
+
+/*
+ * Hypercalls without parameter.
+ */
+#define __HCALL0(name,hcall)		\
+	GLOBAL_ENTRY(name);		\
+	break	hcall;			\
+	br.ret.sptk.many rp;		\
+	END(name)
+
+/*
+ * Hypercalls with 1 parameter.
+ */
+#define __HCALL1(name,hcall)		\
+	GLOBAL_ENTRY(name);		\
+	mov r8=r32;			\
+	break	hcall;			\
+	br.ret.sptk.many rp;		\
+	END(name)
+
+/*
+ * Hypercalls with 2 parameters.
+ */
+#define __HCALL2(name,hcall)		\
+	GLOBAL_ENTRY(name);		\
+	mov r8=r32;			\
+	mov r9=r33;			\
+	break	hcall;			\
+	br.ret.sptk.many rp;		\
+	END(name)
+
+__HCALL0(xen_get_psr, HYPERPRIVOP_GET_PSR)
+__HCALL0(xen_get_ivr, HYPERPRIVOP_GET_IVR)
+__HCALL0(xen_get_tpr, HYPERPRIVOP_GET_TPR)
+__HCALL0(xen_hyper_ssm_i, HYPERPRIVOP_SSM_I)
+
+__HCALL1(xen_set_tpr, HYPERPRIVOP_SET_TPR)
+__HCALL1(xen_eoi, HYPERPRIVOP_EOI)
+__HCALL1(xen_thash, HYPERPRIVOP_THASH)
+__HCALL1(xen_set_itm, HYPERPRIVOP_SET_ITM)
+__HCALL1(xen_get_rr, HYPERPRIVOP_GET_RR)
+__HCALL1(xen_fc, HYPERPRIVOP_FC)
+__HCALL1(xen_get_cpuid, HYPERPRIVOP_GET_CPUID)
+__HCALL1(xen_get_pmd, HYPERPRIVOP_GET_PMD)
+
+__HCALL2(xen_ptcga, HYPERPRIVOP_PTC_GA)
+__HCALL2(xen_set_rr, HYPERPRIVOP_SET_RR)
+__HCALL2(xen_set_kr, HYPERPRIVOP_SET_KR)
+
+#ifdef CONFIG_IA32_SUPPORT
+__HCALL1(xen_get_eflag, HYPERPRIVOP_GET_EFLAG)
+__HCALL1(xen_set_eflag, HYPERPRIVOP_SET_EFLAG)	// refer SDM vol1 3.1.8
+#endif /* CONFIG_IA32_SUPPORT */
+
+GLOBAL_ENTRY(xen_set_rr0_to_rr4)
+	mov r8=r32
+	mov r9=r33
+	mov r10=r34
+	mov r11=r35
+	mov r14=r36
+	XEN_HYPER_SET_RR0_TO_RR4
+	br.ret.sptk.many rp
+	;;
+END(xen_set_rr0_to_rr4)
+
+GLOBAL_ENTRY(xen_send_ipi)
+	mov r14=r32
+	mov r15=r33
+	mov r2=0x400
+	break 0x1000
+	;;
+	br.ret.sptk.many rp
+	;;
+END(xen_send_ipi)
+
+GLOBAL_ENTRY(__hypercall)
+	mov r2=r37
+	break 0x1000
+	br.ret.sptk.many b0
+	;;
+END(__hypercall)
-- 
GitLab


From 11d437789d0f35fa2e2ebcb4a983b29587bdfdc5 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:53 +0900
Subject: [PATCH 0978/2224] ia64/xen: implement the arch specific part of
 xencomm.

On ia64/xen, pointer argument for the hypercall is passed
by pseudo physical address (guest physical address.)
So it is necessary to convert virtual address into pseudo physical
address right before issuing hypercall. The frame work is called
xencomm. This patch implements arch specific part.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/xencomm.h | 41 +++++++++++++
 arch/ia64/xen/Makefile              |  2 +-
 arch/ia64/xen/xencomm.c             | 94 +++++++++++++++++++++++++++++
 3 files changed, 136 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/include/asm/xen/xencomm.h
 create mode 100644 arch/ia64/xen/xencomm.c

diff --git a/arch/ia64/include/asm/xen/xencomm.h b/arch/ia64/include/asm/xen/xencomm.h
new file mode 100644
index 00000000000..28732cd931c
--- /dev/null
+++ b/arch/ia64/include/asm/xen/xencomm.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2006 Hollis Blanchard <hollisb@us.ibm.com>, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef _ASM_IA64_XEN_XENCOMM_H
+#define _ASM_IA64_XEN_XENCOMM_H
+
+#include <xen/xencomm.h>
+#include <asm/pgtable.h>
+
+/* Must be called before any hypercall.  */
+extern void xencomm_initialize(void);
+
+/* Check if virtual contiguity means physical contiguity
+ * where the passed address is a pointer value in virtual address.
+ * On ia64, identity mapping area in region 7 or the piece of region 5
+ * that is mapped by itr[IA64_TR_KERNEL]/dtr[IA64_TR_KERNEL]
+ */
+static inline int xencomm_is_phys_contiguous(unsigned long addr)
+{
+	return (PAGE_OFFSET <= addr &&
+		addr < (PAGE_OFFSET + (1UL << IA64_MAX_PHYS_BITS))) ||
+		(KERNEL_START <= addr &&
+		 addr < KERNEL_START + KERNEL_TR_PAGE_SIZE);
+}
+
+#endif /* _ASM_IA64_XEN_XENCOMM_H */
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index c200704e233..ad0c9f7ddff 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -2,4 +2,4 @@
 # Makefile for Xen components
 #
 
-obj-y := hypercall.o
+obj-y := hypercall.o xencomm.o
diff --git a/arch/ia64/xen/xencomm.c b/arch/ia64/xen/xencomm.c
new file mode 100644
index 00000000000..3dc307f0a40
--- /dev/null
+++ b/arch/ia64/xen/xencomm.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2006 Hollis Blanchard <hollisb@us.ibm.com>, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/mm.h>
+
+static unsigned long kernel_virtual_offset;
+
+void
+xencomm_initialize(void)
+{
+	kernel_virtual_offset = KERNEL_START - ia64_tpa(KERNEL_START);
+}
+
+/* Translate virtual address to physical address.  */
+unsigned long
+xencomm_vtop(unsigned long vaddr)
+{
+	struct page *page;
+	struct vm_area_struct *vma;
+
+	if (vaddr == 0)
+		return 0UL;
+
+	if (REGION_NUMBER(vaddr) == 5) {
+		pgd_t *pgd;
+		pud_t *pud;
+		pmd_t *pmd;
+		pte_t *ptep;
+
+		/* On ia64, TASK_SIZE refers to current.  It is not initialized
+		   during boot.
+		   Furthermore the kernel is relocatable and __pa() doesn't
+		   work on  addresses.  */
+		if (vaddr >= KERNEL_START
+		    && vaddr < (KERNEL_START + KERNEL_TR_PAGE_SIZE))
+			return vaddr - kernel_virtual_offset;
+
+		/* In kernel area -- virtually mapped.  */
+		pgd = pgd_offset_k(vaddr);
+		if (pgd_none(*pgd) || pgd_bad(*pgd))
+			return ~0UL;
+
+		pud = pud_offset(pgd, vaddr);
+		if (pud_none(*pud) || pud_bad(*pud))
+			return ~0UL;
+
+		pmd = pmd_offset(pud, vaddr);
+		if (pmd_none(*pmd) || pmd_bad(*pmd))
+			return ~0UL;
+
+		ptep = pte_offset_kernel(pmd, vaddr);
+		if (!ptep)
+			return ~0UL;
+
+		return (pte_val(*ptep) & _PFN_MASK) | (vaddr & ~PAGE_MASK);
+	}
+
+	if (vaddr > TASK_SIZE) {
+		/* percpu variables */
+		if (REGION_NUMBER(vaddr) == 7 &&
+		    REGION_OFFSET(vaddr) >= (1ULL << IA64_MAX_PHYS_BITS))
+			ia64_tpa(vaddr);
+
+		/* kernel address */
+		return __pa(vaddr);
+	}
+
+	/* XXX double-check (lack of) locking */
+	vma = find_extend_vma(current->mm, vaddr);
+	if (!vma)
+		return ~0UL;
+
+	/* We assume the page is modified.  */
+	page = follow_page(vma, vaddr, FOLL_WRITE | FOLL_TOUCH);
+	if (!page)
+		return ~0UL;
+
+	return (page_to_pfn(page) << PAGE_SHIFT) | (vaddr & ~PAGE_MASK);
+}
-- 
GitLab


From f021c8b334cc00739b5d43b5be5f97a34b1ad16a Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:54 +0900
Subject: [PATCH 0979/2224] ia64/xen: xencomm conversion functions for
 hypercalls

On ia64/xen, pointer arguments for hypercall is passed
by pseudo physical address(guest physical address.)
So such hypercalls needs address conversion functions.
This patch implements concrete conversion functions for
such hypercalls.

Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/xcom_hcall.h |  51 +++
 arch/ia64/include/asm/xen/xencomm.h    |   1 +
 arch/ia64/xen/Makefile                 |   2 +-
 arch/ia64/xen/xcom_hcall.c             | 441 +++++++++++++++++++++++++
 arch/ia64/xen/xencomm.c                |  11 +
 5 files changed, 505 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/include/asm/xen/xcom_hcall.h
 create mode 100644 arch/ia64/xen/xcom_hcall.c

diff --git a/arch/ia64/include/asm/xen/xcom_hcall.h b/arch/ia64/include/asm/xen/xcom_hcall.h
new file mode 100644
index 00000000000..20b2950c71b
--- /dev/null
+++ b/arch/ia64/include/asm/xen/xcom_hcall.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2006 Tristan Gingold <tristan.gingold@bull.net>, Bull SAS
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef _ASM_IA64_XEN_XCOM_HCALL_H
+#define _ASM_IA64_XEN_XCOM_HCALL_H
+
+/* These function creates inline or mini descriptor for the parameters and
+   calls the corresponding xencomm_arch_hypercall_X.
+   Architectures should defines HYPERVISOR_xxx as xencomm_hypercall_xxx unless
+   they want to use their own wrapper.  */
+extern int xencomm_hypercall_console_io(int cmd, int count, char *str);
+
+extern int xencomm_hypercall_event_channel_op(int cmd, void *op);
+
+extern int xencomm_hypercall_xen_version(int cmd, void *arg);
+
+extern int xencomm_hypercall_physdev_op(int cmd, void *op);
+
+extern int xencomm_hypercall_grant_table_op(unsigned int cmd, void *op,
+					    unsigned int count);
+
+extern int xencomm_hypercall_sched_op(int cmd, void *arg);
+
+extern int xencomm_hypercall_multicall(void *call_list, int nr_calls);
+
+extern int xencomm_hypercall_callback_op(int cmd, void *arg);
+
+extern int xencomm_hypercall_memory_op(unsigned int cmd, void *arg);
+
+extern int xencomm_hypercall_suspend(unsigned long srec);
+
+extern long xencomm_hypercall_vcpu_op(int cmd, int cpu, void *arg);
+
+extern long xencomm_hypercall_opt_feature(void *arg);
+
+#endif /* _ASM_IA64_XEN_XCOM_HCALL_H */
diff --git a/arch/ia64/include/asm/xen/xencomm.h b/arch/ia64/include/asm/xen/xencomm.h
index 28732cd931c..cded677bebf 100644
--- a/arch/ia64/include/asm/xen/xencomm.h
+++ b/arch/ia64/include/asm/xen/xencomm.h
@@ -24,6 +24,7 @@
 
 /* Must be called before any hypercall.  */
 extern void xencomm_initialize(void);
+extern int xencomm_is_initialized(void);
 
 /* Check if virtual contiguity means physical contiguity
  * where the passed address is a pointer value in virtual address.
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index ad0c9f7ddff..ae0882233d5 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -2,4 +2,4 @@
 # Makefile for Xen components
 #
 
-obj-y := hypercall.o xencomm.o
+obj-y := hypercall.o xencomm.o xcom_hcall.o
diff --git a/arch/ia64/xen/xcom_hcall.c b/arch/ia64/xen/xcom_hcall.c
new file mode 100644
index 00000000000..ccaf7431f7c
--- /dev/null
+++ b/arch/ia64/xen/xcom_hcall.c
@@ -0,0 +1,441 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ *          Tristan Gingold <tristan.gingold@bull.net>
+ *
+ *          Copyright (c) 2007
+ *          Isaku Yamahata <yamahata at valinux co jp>
+ *                          VA Linux Systems Japan K.K.
+ *          consolidate mini and inline version.
+ */
+
+#include <linux/module.h>
+#include <xen/interface/xen.h>
+#include <xen/interface/memory.h>
+#include <xen/interface/grant_table.h>
+#include <xen/interface/callback.h>
+#include <xen/interface/vcpu.h>
+#include <asm/xen/hypervisor.h>
+#include <asm/xen/xencomm.h>
+
+/* Xencomm notes:
+ * This file defines hypercalls to be used by xencomm.  The hypercalls simply
+ * create inlines or mini descriptors for pointers and then call the raw arch
+ * hypercall xencomm_arch_hypercall_XXX
+ *
+ * If the arch wants to directly use these hypercalls, simply define macros
+ * in asm/xen/hypercall.h, eg:
+ *  #define HYPERVISOR_sched_op xencomm_hypercall_sched_op
+ *
+ * The arch may also define HYPERVISOR_xxx as a function and do more operations
+ * before/after doing the hypercall.
+ *
+ * Note: because only inline or mini descriptors are created these functions
+ * must only be called with in kernel memory parameters.
+ */
+
+int
+xencomm_hypercall_console_io(int cmd, int count, char *str)
+{
+	/* xen early printk uses console io hypercall before
+	 * xencomm initialization. In that case, we just ignore it.
+	 */
+	if (!xencomm_is_initialized())
+		return 0;
+
+	return xencomm_arch_hypercall_console_io
+		(cmd, count, xencomm_map_no_alloc(str, count));
+}
+EXPORT_SYMBOL_GPL(xencomm_hypercall_console_io);
+
+int
+xencomm_hypercall_event_channel_op(int cmd, void *op)
+{
+	struct xencomm_handle *desc;
+	desc = xencomm_map_no_alloc(op, sizeof(struct evtchn_op));
+	if (desc == NULL)
+		return -EINVAL;
+
+	return xencomm_arch_hypercall_event_channel_op(cmd, desc);
+}
+EXPORT_SYMBOL_GPL(xencomm_hypercall_event_channel_op);
+
+int
+xencomm_hypercall_xen_version(int cmd, void *arg)
+{
+	struct xencomm_handle *desc;
+	unsigned int argsize;
+
+	switch (cmd) {
+	case XENVER_version:
+		/* do not actually pass an argument */
+		return xencomm_arch_hypercall_xen_version(cmd, 0);
+	case XENVER_extraversion:
+		argsize = sizeof(struct xen_extraversion);
+		break;
+	case XENVER_compile_info:
+		argsize = sizeof(struct xen_compile_info);
+		break;
+	case XENVER_capabilities:
+		argsize = sizeof(struct xen_capabilities_info);
+		break;
+	case XENVER_changeset:
+		argsize = sizeof(struct xen_changeset_info);
+		break;
+	case XENVER_platform_parameters:
+		argsize = sizeof(struct xen_platform_parameters);
+		break;
+	case XENVER_get_features:
+		argsize = (arg == NULL) ? 0 : sizeof(struct xen_feature_info);
+		break;
+
+	default:
+		printk(KERN_DEBUG
+		       "%s: unknown version op %d\n", __func__, cmd);
+		return -ENOSYS;
+	}
+
+	desc = xencomm_map_no_alloc(arg, argsize);
+	if (desc == NULL)
+		return -EINVAL;
+
+	return xencomm_arch_hypercall_xen_version(cmd, desc);
+}
+EXPORT_SYMBOL_GPL(xencomm_hypercall_xen_version);
+
+int
+xencomm_hypercall_physdev_op(int cmd, void *op)
+{
+	unsigned int argsize;
+
+	switch (cmd) {
+	case PHYSDEVOP_apic_read:
+	case PHYSDEVOP_apic_write:
+		argsize = sizeof(struct physdev_apic);
+		break;
+	case PHYSDEVOP_alloc_irq_vector:
+	case PHYSDEVOP_free_irq_vector:
+		argsize = sizeof(struct physdev_irq);
+		break;
+	case PHYSDEVOP_irq_status_query:
+		argsize = sizeof(struct physdev_irq_status_query);
+		break;
+
+	default:
+		printk(KERN_DEBUG
+		       "%s: unknown physdev op %d\n", __func__, cmd);
+		return -ENOSYS;
+	}
+
+	return xencomm_arch_hypercall_physdev_op
+		(cmd, xencomm_map_no_alloc(op, argsize));
+}
+
+static int
+xencommize_grant_table_op(struct xencomm_mini **xc_area,
+			  unsigned int cmd, void *op, unsigned int count,
+			  struct xencomm_handle **desc)
+{
+	struct xencomm_handle *desc1;
+	unsigned int argsize;
+
+	switch (cmd) {
+	case GNTTABOP_map_grant_ref:
+		argsize = sizeof(struct gnttab_map_grant_ref);
+		break;
+	case GNTTABOP_unmap_grant_ref:
+		argsize = sizeof(struct gnttab_unmap_grant_ref);
+		break;
+	case GNTTABOP_setup_table:
+	{
+		struct gnttab_setup_table *setup = op;
+
+		argsize = sizeof(*setup);
+
+		if (count != 1)
+			return -EINVAL;
+		desc1 = __xencomm_map_no_alloc
+			(xen_guest_handle(setup->frame_list),
+			 setup->nr_frames *
+			 sizeof(*xen_guest_handle(setup->frame_list)),
+			 *xc_area);
+		if (desc1 == NULL)
+			return -EINVAL;
+		(*xc_area)++;
+		set_xen_guest_handle(setup->frame_list, (void *)desc1);
+		break;
+	}
+	case GNTTABOP_dump_table:
+		argsize = sizeof(struct gnttab_dump_table);
+		break;
+	case GNTTABOP_transfer:
+		argsize = sizeof(struct gnttab_transfer);
+		break;
+	case GNTTABOP_copy:
+		argsize = sizeof(struct gnttab_copy);
+		break;
+	case GNTTABOP_query_size:
+		argsize = sizeof(struct gnttab_query_size);
+		break;
+	default:
+		printk(KERN_DEBUG "%s: unknown hypercall grant table op %d\n",
+		       __func__, cmd);
+		BUG();
+	}
+
+	*desc = __xencomm_map_no_alloc(op, count * argsize, *xc_area);
+	if (*desc == NULL)
+		return -EINVAL;
+	(*xc_area)++;
+
+	return 0;
+}
+
+int
+xencomm_hypercall_grant_table_op(unsigned int cmd, void *op,
+				 unsigned int count)
+{
+	int rc;
+	struct xencomm_handle *desc;
+	XENCOMM_MINI_ALIGNED(xc_area, 2);
+
+	rc = xencommize_grant_table_op(&xc_area, cmd, op, count, &desc);
+	if (rc)
+		return rc;
+
+	return xencomm_arch_hypercall_grant_table_op(cmd, desc, count);
+}
+EXPORT_SYMBOL_GPL(xencomm_hypercall_grant_table_op);
+
+int
+xencomm_hypercall_sched_op(int cmd, void *arg)
+{
+	struct xencomm_handle *desc;
+	unsigned int argsize;
+
+	switch (cmd) {
+	case SCHEDOP_yield:
+	case SCHEDOP_block:
+		argsize = 0;
+		break;
+	case SCHEDOP_shutdown:
+		argsize = sizeof(struct sched_shutdown);
+		break;
+	case SCHEDOP_poll:
+	{
+		struct sched_poll *poll = arg;
+		struct xencomm_handle *ports;
+
+		argsize = sizeof(struct sched_poll);
+		ports = xencomm_map_no_alloc(xen_guest_handle(poll->ports),
+				     sizeof(*xen_guest_handle(poll->ports)));
+
+		set_xen_guest_handle(poll->ports, (void *)ports);
+		break;
+	}
+	default:
+		printk(KERN_DEBUG "%s: unknown sched op %d\n", __func__, cmd);
+		return -ENOSYS;
+	}
+
+	desc = xencomm_map_no_alloc(arg, argsize);
+	if (desc == NULL)
+		return -EINVAL;
+
+	return xencomm_arch_hypercall_sched_op(cmd, desc);
+}
+EXPORT_SYMBOL_GPL(xencomm_hypercall_sched_op);
+
+int
+xencomm_hypercall_multicall(void *call_list, int nr_calls)
+{
+	int rc;
+	int i;
+	struct multicall_entry *mce;
+	struct xencomm_handle *desc;
+	XENCOMM_MINI_ALIGNED(xc_area, nr_calls * 2);
+
+	for (i = 0; i < nr_calls; i++) {
+		mce = (struct multicall_entry *)call_list + i;
+
+		switch (mce->op) {
+		case __HYPERVISOR_update_va_mapping:
+		case __HYPERVISOR_mmu_update:
+			/* No-op on ia64.  */
+			break;
+		case __HYPERVISOR_grant_table_op:
+			rc = xencommize_grant_table_op
+				(&xc_area,
+				 mce->args[0], (void *)mce->args[1],
+				 mce->args[2], &desc);
+			if (rc)
+				return rc;
+			mce->args[1] = (unsigned long)desc;
+			break;
+		case __HYPERVISOR_memory_op:
+		default:
+			printk(KERN_DEBUG
+			       "%s: unhandled multicall op entry op %lu\n",
+			       __func__, mce->op);
+			return -ENOSYS;
+		}
+	}
+
+	desc = xencomm_map_no_alloc(call_list,
+				    nr_calls * sizeof(struct multicall_entry));
+	if (desc == NULL)
+		return -EINVAL;
+
+	return xencomm_arch_hypercall_multicall(desc, nr_calls);
+}
+EXPORT_SYMBOL_GPL(xencomm_hypercall_multicall);
+
+int
+xencomm_hypercall_callback_op(int cmd, void *arg)
+{
+	unsigned int argsize;
+	switch (cmd) {
+	case CALLBACKOP_register:
+		argsize = sizeof(struct callback_register);
+		break;
+	case CALLBACKOP_unregister:
+		argsize = sizeof(struct callback_unregister);
+		break;
+	default:
+		printk(KERN_DEBUG
+		       "%s: unknown callback op %d\n", __func__, cmd);
+		return -ENOSYS;
+	}
+
+	return xencomm_arch_hypercall_callback_op
+		(cmd, xencomm_map_no_alloc(arg, argsize));
+}
+
+static int
+xencommize_memory_reservation(struct xencomm_mini *xc_area,
+			      struct xen_memory_reservation *mop)
+{
+	struct xencomm_handle *desc;
+
+	desc = __xencomm_map_no_alloc(xen_guest_handle(mop->extent_start),
+			mop->nr_extents *
+			sizeof(*xen_guest_handle(mop->extent_start)),
+			xc_area);
+	if (desc == NULL)
+		return -EINVAL;
+
+	set_xen_guest_handle(mop->extent_start, (void *)desc);
+	return 0;
+}
+
+int
+xencomm_hypercall_memory_op(unsigned int cmd, void *arg)
+{
+	GUEST_HANDLE(xen_pfn_t) extent_start_va[2] = { {NULL}, {NULL} };
+	struct xen_memory_reservation *xmr = NULL;
+	int rc;
+	struct xencomm_handle *desc;
+	unsigned int argsize;
+	XENCOMM_MINI_ALIGNED(xc_area, 2);
+
+	switch (cmd) {
+	case XENMEM_increase_reservation:
+	case XENMEM_decrease_reservation:
+	case XENMEM_populate_physmap:
+		xmr = (struct xen_memory_reservation *)arg;
+		set_xen_guest_handle(extent_start_va[0],
+				     xen_guest_handle(xmr->extent_start));
+
+		argsize = sizeof(*xmr);
+		rc = xencommize_memory_reservation(xc_area, xmr);
+		if (rc)
+			return rc;
+		xc_area++;
+		break;
+
+	case XENMEM_maximum_ram_page:
+		argsize = 0;
+		break;
+
+	case XENMEM_add_to_physmap:
+		argsize = sizeof(struct xen_add_to_physmap);
+		break;
+
+	default:
+		printk(KERN_DEBUG "%s: unknown memory op %d\n", __func__, cmd);
+		return -ENOSYS;
+	}
+
+	desc = xencomm_map_no_alloc(arg, argsize);
+	if (desc == NULL)
+		return -EINVAL;
+
+	rc = xencomm_arch_hypercall_memory_op(cmd, desc);
+
+	switch (cmd) {
+	case XENMEM_increase_reservation:
+	case XENMEM_decrease_reservation:
+	case XENMEM_populate_physmap:
+		set_xen_guest_handle(xmr->extent_start,
+				     xen_guest_handle(extent_start_va[0]));
+		break;
+	}
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(xencomm_hypercall_memory_op);
+
+int
+xencomm_hypercall_suspend(unsigned long srec)
+{
+	struct sched_shutdown arg;
+
+	arg.reason = SHUTDOWN_suspend;
+
+	return xencomm_arch_hypercall_sched_op(
+		SCHEDOP_shutdown, xencomm_map_no_alloc(&arg, sizeof(arg)));
+}
+
+long
+xencomm_hypercall_vcpu_op(int cmd, int cpu, void *arg)
+{
+	unsigned int argsize;
+	switch (cmd) {
+	case VCPUOP_register_runstate_memory_area: {
+		struct vcpu_register_runstate_memory_area *area =
+			(struct vcpu_register_runstate_memory_area *)arg;
+		argsize = sizeof(*arg);
+		set_xen_guest_handle(area->addr.h,
+		     (void *)xencomm_map_no_alloc(area->addr.v,
+						  sizeof(area->addr.v)));
+		break;
+	}
+
+	default:
+		printk(KERN_DEBUG "%s: unknown vcpu op %d\n", __func__, cmd);
+		return -ENOSYS;
+	}
+
+	return xencomm_arch_hypercall_vcpu_op(cmd, cpu,
+					xencomm_map_no_alloc(arg, argsize));
+}
+
+long
+xencomm_hypercall_opt_feature(void *arg)
+{
+	return xencomm_arch_hypercall_opt_feature(
+		xencomm_map_no_alloc(arg,
+				     sizeof(struct xen_ia64_opt_feature)));
+}
diff --git a/arch/ia64/xen/xencomm.c b/arch/ia64/xen/xencomm.c
index 3dc307f0a40..1f5d7ac82e9 100644
--- a/arch/ia64/xen/xencomm.c
+++ b/arch/ia64/xen/xencomm.c
@@ -19,11 +19,22 @@
 #include <linux/mm.h>
 
 static unsigned long kernel_virtual_offset;
+static int is_xencomm_initialized;
+
+/* for xen early printk. It uses console io hypercall which uses xencomm.
+ * However early printk may use it before xencomm initialization.
+ */
+int
+xencomm_is_initialized(void)
+{
+	return is_xencomm_initialized;
+}
 
 void
 xencomm_initialize(void)
 {
 	kernel_virtual_offset = KERNEL_START - ia64_tpa(KERNEL_START);
+	is_xencomm_initialized = 1;
 }
 
 /* Translate virtual address to physical address.  */
-- 
GitLab


From 7ad863132c05b6a746accf12734720abe34c3535 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:55 +0900
Subject: [PATCH 0980/2224] ia64/xen: implement arch specific part of xen grant
 table.

Xen implements grant tables which is for sharing pages with
guest domains.
This patch implements arch specific part of grant table initialization.
and xen_alloc_vm_area()/xen_free_vm_area() which are helper functions
for xen grant table.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/grant_table.h |  29 +++++
 arch/ia64/xen/Makefile                  |   2 +-
 arch/ia64/xen/grant-table.c             | 155 ++++++++++++++++++++++++
 3 files changed, 185 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/include/asm/xen/grant_table.h
 create mode 100644 arch/ia64/xen/grant-table.c

diff --git a/arch/ia64/include/asm/xen/grant_table.h b/arch/ia64/include/asm/xen/grant_table.h
new file mode 100644
index 00000000000..2b1fae0e2d1
--- /dev/null
+++ b/arch/ia64/include/asm/xen/grant_table.h
@@ -0,0 +1,29 @@
+/******************************************************************************
+ * arch/ia64/include/asm/xen/grant_table.h
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef _ASM_IA64_XEN_GRANT_TABLE_H
+#define _ASM_IA64_XEN_GRANT_TABLE_H
+
+struct vm_struct *xen_alloc_vm_area(unsigned long size);
+void xen_free_vm_area(struct vm_struct *area);
+
+#endif /* _ASM_IA64_XEN_GRANT_TABLE_H */
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index ae0882233d5..eb595637a8c 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -2,4 +2,4 @@
 # Makefile for Xen components
 #
 
-obj-y := hypercall.o xencomm.o xcom_hcall.o
+obj-y := hypercall.o xencomm.o xcom_hcall.o grant-table.o
diff --git a/arch/ia64/xen/grant-table.c b/arch/ia64/xen/grant-table.c
new file mode 100644
index 00000000000..777dd9a9108
--- /dev/null
+++ b/arch/ia64/xen/grant-table.c
@@ -0,0 +1,155 @@
+/******************************************************************************
+ * arch/ia64/xen/grant-table.c
+ *
+ * Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/vmalloc.h>
+#include <linux/mm.h>
+
+#include <xen/interface/xen.h>
+#include <xen/interface/memory.h>
+#include <xen/grant_table.h>
+
+#include <asm/xen/hypervisor.h>
+
+struct vm_struct *xen_alloc_vm_area(unsigned long size)
+{
+	int order;
+	unsigned long virt;
+	unsigned long nr_pages;
+	struct vm_struct *area;
+
+	order = get_order(size);
+	virt = __get_free_pages(GFP_KERNEL, order);
+	if (virt == 0)
+		goto err0;
+	nr_pages = 1 << order;
+	scrub_pages(virt, nr_pages);
+
+	area = kmalloc(sizeof(*area), GFP_KERNEL);
+	if (area == NULL)
+		goto err1;
+
+	area->flags = VM_IOREMAP;
+	area->addr = (void *)virt;
+	area->size = size;
+	area->pages = NULL;
+	area->nr_pages = nr_pages;
+	area->phys_addr = 0;	/* xenbus_map_ring_valloc uses this field!  */
+
+	return area;
+
+err1:
+	free_pages(virt, order);
+err0:
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(xen_alloc_vm_area);
+
+void xen_free_vm_area(struct vm_struct *area)
+{
+	unsigned int order = get_order(area->size);
+	unsigned long i;
+	unsigned long phys_addr = __pa(area->addr);
+
+	/* This area is used for foreign page mappping.
+	 * So underlying machine page may not be assigned. */
+	for (i = 0; i < (1 << order); i++) {
+		unsigned long ret;
+		unsigned long gpfn = (phys_addr >> PAGE_SHIFT) + i;
+		struct xen_memory_reservation reservation = {
+			.nr_extents   = 1,
+			.address_bits = 0,
+			.extent_order = 0,
+			.domid        = DOMID_SELF
+		};
+		set_xen_guest_handle(reservation.extent_start, &gpfn);
+		ret = HYPERVISOR_memory_op(XENMEM_populate_physmap,
+					   &reservation);
+		BUG_ON(ret != 1);
+	}
+	free_pages((unsigned long)area->addr, order);
+	kfree(area);
+}
+EXPORT_SYMBOL_GPL(xen_free_vm_area);
+
+
+/****************************************************************************
+ * grant table hack
+ * cmd: GNTTABOP_xxx
+ */
+
+int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes,
+			   unsigned long max_nr_gframes,
+			   struct grant_entry **__shared)
+{
+	*__shared = __va(frames[0] << PAGE_SHIFT);
+	return 0;
+}
+
+void arch_gnttab_unmap_shared(struct grant_entry *shared,
+			      unsigned long nr_gframes)
+{
+	/* nothing */
+}
+
+static void
+gnttab_map_grant_ref_pre(struct gnttab_map_grant_ref *uop)
+{
+	uint32_t flags;
+
+	flags = uop->flags;
+
+	if (flags & GNTMAP_host_map) {
+		if (flags & GNTMAP_application_map) {
+			printk(KERN_DEBUG
+			       "GNTMAP_application_map is not supported yet: "
+			       "flags 0x%x\n", flags);
+			BUG();
+		}
+		if (flags & GNTMAP_contains_pte) {
+			printk(KERN_DEBUG
+			       "GNTMAP_contains_pte is not supported yet: "
+			       "flags 0x%x\n", flags);
+			BUG();
+		}
+	} else if (flags & GNTMAP_device_map) {
+		printk("GNTMAP_device_map is not supported yet 0x%x\n", flags);
+		BUG();	/* not yet. actually this flag is not used. */
+	} else {
+		BUG();
+	}
+}
+
+int
+HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count)
+{
+	if (cmd == GNTTABOP_map_grant_ref) {
+		unsigned int i;
+		for (i = 0; i < count; i++) {
+			gnttab_map_grant_ref_pre(
+				(struct gnttab_map_grant_ref *)uop + i);
+		}
+	}
+	return xencomm_hypercall_grant_table_op(cmd, uop, count);
+}
+
+EXPORT_SYMBOL(HYPERVISOR_grant_table_op);
-- 
GitLab


From 8353b00f617c9bb432c6bcdf33a4f9c416dc5751 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:56 +0900
Subject: [PATCH 0981/2224] ia64/xen: add definitions necessary for xen event
 channel.

Xen paravirtualizes interrupt as event channel.
This patch defines arch specific part of xen event channel.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/events.h | 50 ++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/events.h

diff --git a/arch/ia64/include/asm/xen/events.h b/arch/ia64/include/asm/xen/events.h
new file mode 100644
index 00000000000..73248781fba
--- /dev/null
+++ b/arch/ia64/include/asm/xen/events.h
@@ -0,0 +1,50 @@
+/******************************************************************************
+ * arch/ia64/include/asm/xen/events.h
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+#ifndef _ASM_IA64_XEN_EVENTS_H
+#define _ASM_IA64_XEN_EVENTS_H
+
+enum ipi_vector {
+	XEN_RESCHEDULE_VECTOR,
+	XEN_IPI_VECTOR,
+	XEN_CMCP_VECTOR,
+	XEN_CPEP_VECTOR,
+
+	XEN_NR_IPIS,
+};
+
+static inline int xen_irqs_disabled(struct pt_regs *regs)
+{
+	return !(ia64_psr(regs)->i);
+}
+
+static inline void xen_do_IRQ(int irq, struct pt_regs *regs)
+{
+	struct pt_regs *old_regs;
+	old_regs = set_irq_regs(regs);
+	irq_enter();
+	__do_IRQ(irq);
+	irq_exit();
+	set_irq_regs(old_regs);
+}
+#define irq_ctx_init(cpu)	do { } while (0)
+
+#endif /* _ASM_IA64_XEN_EVENTS_H */
-- 
GitLab


From c7fdaf338679f5e0343bfdfa7ae1e2fdb41ff0b1 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:57 +0900
Subject: [PATCH 0982/2224] ia64/xen: introduce helper function to identify
 domain mode.

There are four operating modes Xen code may find itself running in:
- native
- hvm domain
- pv dom0
- pv domU

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/hypervisor.h | 75 ++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/hypervisor.h

diff --git a/arch/ia64/include/asm/xen/hypervisor.h b/arch/ia64/include/asm/xen/hypervisor.h
new file mode 100644
index 00000000000..d1f84e12c0e
--- /dev/null
+++ b/arch/ia64/include/asm/xen/hypervisor.h
@@ -0,0 +1,75 @@
+/******************************************************************************
+ * hypervisor.h
+ *
+ * Linux-specific hypervisor handling.
+ *
+ * Copyright (c) 2002-2004, K A Fraser
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation; or, when distributed
+ * separately from the Linux kernel or incorporated into other
+ * software packages, subject to the following license:
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this source file (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef _ASM_IA64_XEN_HYPERVISOR_H
+#define _ASM_IA64_XEN_HYPERVISOR_H
+
+#ifdef CONFIG_XEN
+
+#include <linux/init.h>
+#include <xen/interface/xen.h>
+#include <xen/interface/version.h>	/* to compile feature.c */
+#include <xen/features.h>		/* to comiple xen-netfront.c */
+#include <asm/xen/hypercall.h>
+
+/* xen_domain_type is set before executing any C code by early_xen_setup */
+enum xen_domain_type {
+	XEN_NATIVE,
+	XEN_PV_DOMAIN,
+	XEN_HVM_DOMAIN,
+};
+
+extern enum xen_domain_type xen_domain_type;
+
+#define xen_domain()		(xen_domain_type != XEN_NATIVE)
+#define xen_pv_domain()		(xen_domain_type == XEN_PV_DOMAIN)
+#define xen_initial_domain()	(xen_pv_domain() && \
+				 (xen_start_info->flags & SIF_INITDOMAIN))
+#define xen_hvm_domain()	(xen_domain_type == XEN_HVM_DOMAIN)
+
+/* deprecated. remove this */
+#define is_running_on_xen()	(xen_domain_type == XEN_PV_DOMAIN)
+
+extern struct start_info *xen_start_info;
+
+#else /* CONFIG_XEN */
+
+#define xen_domain()		(0)
+#define xen_pv_domain()		(0)
+#define xen_initial_domain()	(0)
+#define xen_hvm_domain()	(0)
+#define is_running_on_xen()	(0)	/* deprecated. remove this */
+#endif
+
+#define is_initial_xendomain()	(0)	/* deprecated. remove this */
+
+#endif /* _ASM_IA64_XEN_HYPERVISOR_H */
-- 
GitLab


From 080104cd0f708b6bb5a121922801867a29ad63fc Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:58 +0900
Subject: [PATCH 0983/2224] ia64/pv_ops/xen: elf note based xen startup.

This patch enables elf note based xen startup for IA-64, which gives the
kernel an early hint for running on xen like x86 case.
In order to avoid the multi entry point, presumably extending booting
protocol(i.e. extending struct ia64_boot_param) would be necessary.
It probably means that elilo also needs modification.

Signed-off-by: Qing He <qing.he@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/kernel/asm-offsets.c |  4 ++
 arch/ia64/xen/Makefile         |  3 +-
 arch/ia64/xen/xen_pv_ops.c     | 65 ++++++++++++++++++++++++++
 arch/ia64/xen/xensetup.S       | 83 ++++++++++++++++++++++++++++++++++
 4 files changed, 154 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/xen/xen_pv_ops.c
 create mode 100644 arch/ia64/xen/xensetup.S

diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index eaa988baa87..742dbb1d5a4 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -17,6 +17,7 @@
 #include <asm/mca.h>
 
 #include <asm/xen/interface.h>
+#include <asm/xen/hypervisor.h>
 
 #include "../kernel/sigframe.h"
 #include "../kernel/fsyscall_gtod_data.h"
@@ -292,6 +293,9 @@ void foo(void)
 #ifdef CONFIG_XEN
 	BLANK();
 
+	DEFINE(XEN_NATIVE_ASM, XEN_NATIVE);
+	DEFINE(XEN_PV_DOMAIN_ASM, XEN_PV_DOMAIN);
+
 #define DEFINE_MAPPED_REG_OFS(sym, field) \
 	DEFINE(sym, (XMAPPEDREGS_OFS + offsetof(struct mapped_regs, field)))
 
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index eb595637a8c..abc356f0c5d 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -2,4 +2,5 @@
 # Makefile for Xen components
 #
 
-obj-y := hypercall.o xencomm.o xcom_hcall.o grant-table.o
+obj-y := hypercall.o xensetup.o xen_pv_ops.o \
+	xencomm.o xcom_hcall.o grant-table.o
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
new file mode 100644
index 00000000000..77db214b116
--- /dev/null
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -0,0 +1,65 @@
+/******************************************************************************
+ * arch/ia64/xen/xen_pv_ops.c
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/console.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/pm.h>
+
+#include <asm/xen/hypervisor.h>
+#include <asm/xen/xencomm.h>
+#include <asm/xen/privop.h>
+
+/***************************************************************************
+ * general info
+ */
+static struct pv_info xen_info __initdata = {
+	.kernel_rpl = 2,	/* or 1: determin at runtime */
+	.paravirt_enabled = 1,
+	.name = "Xen/ia64",
+};
+
+#define IA64_RSC_PL_SHIFT	2
+#define IA64_RSC_PL_BIT_SIZE	2
+#define IA64_RSC_PL_MASK	\
+	(((1UL << IA64_RSC_PL_BIT_SIZE) - 1) << IA64_RSC_PL_SHIFT)
+
+static void __init
+xen_info_init(void)
+{
+	/* Xenified Linux/ia64 may run on pl = 1 or 2.
+	 * determin at run time. */
+	unsigned long rsc = ia64_getreg(_IA64_REG_AR_RSC);
+	unsigned int rpl = (rsc & IA64_RSC_PL_MASK) >> IA64_RSC_PL_SHIFT;
+	xen_info.kernel_rpl = rpl;
+}
+
+/***************************************************************************
+ * pv_ops initialization
+ */
+
+void __init
+xen_setup_pv_ops(void)
+{
+	xen_info_init();
+	pv_info = xen_info;
+}
diff --git a/arch/ia64/xen/xensetup.S b/arch/ia64/xen/xensetup.S
new file mode 100644
index 00000000000..28fed1fcc07
--- /dev/null
+++ b/arch/ia64/xen/xensetup.S
@@ -0,0 +1,83 @@
+/*
+ * Support routines for Xen
+ *
+ * Copyright (C) 2005 Dan Magenheimer <dan.magenheimer@hp.com>
+ */
+
+#include <asm/processor.h>
+#include <asm/asmmacro.h>
+#include <asm/pgtable.h>
+#include <asm/system.h>
+#include <asm/paravirt.h>
+#include <asm/xen/privop.h>
+#include <linux/elfnote.h>
+#include <linux/init.h>
+#include <xen/interface/elfnote.h>
+
+	.section .data.read_mostly
+	.align 8
+	.global xen_domain_type
+xen_domain_type:
+	data4 XEN_NATIVE_ASM
+	.previous
+
+	__INIT
+ENTRY(startup_xen)
+	// Calculate load offset.
+	// The constant, LOAD_OFFSET, can't be used because the boot
+	// loader doesn't always load to the LMA specified by the vmlinux.lds.
+	mov r9=ip	// must be the first instruction to make sure
+			// that r9 = the physical address of startup_xen.
+			// Usually r9 = startup_xen - LOAD_OFFSET
+	movl r8=startup_xen
+	;;
+	sub r9=r9,r8	// Usually r9 = -LOAD_OFFSET.
+
+	mov r10=PARAVIRT_HYPERVISOR_TYPE_XEN
+	movl r11=_start
+	;;
+	add r11=r11,r9
+	movl r8=hypervisor_type
+	;;
+	add r8=r8,r9
+	mov b0=r11
+	;;
+	st8 [r8]=r10
+	br.cond.sptk.many b0
+	;;
+END(startup_xen)
+
+	ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS,	.asciz "linux")
+	ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION,	.asciz "2.6")
+	ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION,	.asciz "xen-3.0")
+	ELFNOTE(Xen, XEN_ELFNOTE_ENTRY,		data8.ua startup_xen - LOAD_OFFSET)
+
+#define isBP	p3	// are we the Bootstrap Processor?
+
+	.text
+
+GLOBAL_ENTRY(xen_setup_hook)
+	mov r8=XEN_PV_DOMAIN_ASM
+(isBP)	movl r9=xen_domain_type;;
+(isBP)	st4 [r9]=r8
+	movl r10=xen_ivt;;
+
+	mov cr.iva=r10
+
+	/* Set xsi base.  */
+#define FW_HYPERCALL_SET_SHARED_INFO_VA			0x600
+(isBP)	mov r2=FW_HYPERCALL_SET_SHARED_INFO_VA
+(isBP)	movl r28=XSI_BASE;;
+(isBP)	break 0x1000;;
+
+	/* setup pv_ops */
+(isBP)	mov r4=rp
+	;;
+(isBP)	br.call.sptk.many rp=xen_setup_pv_ops
+	;;
+(isBP)	mov rp=r4
+	;;
+
+	br.ret.sptk.many rp
+	;;
+END(xen_setup_hook)
-- 
GitLab


From b5a26e4db818d4647a019d5c462f6778b8213112 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:17:59 +0900
Subject: [PATCH 0984/2224] ia64/pv_ops/xen: define xen pv_init_ops for various
 xen initialization.

This patch implements xen version of pv_init_ops to do various
xen initialization.
This patch also includes ia64 counter part of x86 xen early printk support
patches.

Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/hypervisor.h |  14 ++++
 arch/ia64/xen/Makefile                 |   2 +-
 arch/ia64/xen/hypervisor.c             |  96 +++++++++++++++++++++
 arch/ia64/xen/xen_pv_ops.c             | 110 +++++++++++++++++++++++++
 4 files changed, 221 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/xen/hypervisor.c

diff --git a/arch/ia64/include/asm/xen/hypervisor.h b/arch/ia64/include/asm/xen/hypervisor.h
index d1f84e12c0e..7a804e80fc6 100644
--- a/arch/ia64/include/asm/xen/hypervisor.h
+++ b/arch/ia64/include/asm/xen/hypervisor.h
@@ -59,8 +59,22 @@ extern enum xen_domain_type xen_domain_type;
 /* deprecated. remove this */
 #define is_running_on_xen()	(xen_domain_type == XEN_PV_DOMAIN)
 
+extern struct shared_info *HYPERVISOR_shared_info;
 extern struct start_info *xen_start_info;
 
+void __init xen_setup_vcpu_info_placement(void);
+void force_evtchn_callback(void);
+
+/* for drivers/xen/balloon/balloon.c */
+#ifdef CONFIG_XEN_SCRUB_PAGES
+#define scrub_pages(_p, _n) memset((void *)(_p), 0, (_n) << PAGE_SHIFT)
+#else
+#define scrub_pages(_p, _n) ((void)0)
+#endif
+
+/* For setup_arch() in arch/ia64/kernel/setup.c */
+void xen_ia64_enable_opt_feature(void);
+
 #else /* CONFIG_XEN */
 
 #define xen_domain()		(0)
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index abc356f0c5d..7cb4247f90b 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -3,4 +3,4 @@
 #
 
 obj-y := hypercall.o xensetup.o xen_pv_ops.o \
-	xencomm.o xcom_hcall.o grant-table.o
+	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o
diff --git a/arch/ia64/xen/hypervisor.c b/arch/ia64/xen/hypervisor.c
new file mode 100644
index 00000000000..cac4d97c0b5
--- /dev/null
+++ b/arch/ia64/xen/hypervisor.c
@@ -0,0 +1,96 @@
+/******************************************************************************
+ * arch/ia64/xen/hypervisor.c
+ *
+ * Copyright (c) 2006 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/efi.h>
+#include <asm/xen/hypervisor.h>
+#include <asm/xen/privop.h>
+
+#include "irq_xen.h"
+
+struct shared_info *HYPERVISOR_shared_info __read_mostly =
+	(struct shared_info *)XSI_BASE;
+EXPORT_SYMBOL(HYPERVISOR_shared_info);
+
+DEFINE_PER_CPU(struct vcpu_info *, xen_vcpu);
+
+struct start_info *xen_start_info;
+EXPORT_SYMBOL(xen_start_info);
+
+EXPORT_SYMBOL(xen_domain_type);
+
+EXPORT_SYMBOL(__hypercall);
+
+/* Stolen from arch/x86/xen/enlighten.c */
+/*
+ * Flag to determine whether vcpu info placement is available on all
+ * VCPUs.  We assume it is to start with, and then set it to zero on
+ * the first failure.  This is because it can succeed on some VCPUs
+ * and not others, since it can involve hypervisor memory allocation,
+ * or because the guest failed to guarantee all the appropriate
+ * constraints on all VCPUs (ie buffer can't cross a page boundary).
+ *
+ * Note that any particular CPU may be using a placed vcpu structure,
+ * but we can only optimise if the all are.
+ *
+ * 0: not available, 1: available
+ */
+
+static void __init xen_vcpu_setup(int cpu)
+{
+	/*
+	 * WARNING:
+	 * before changing MAX_VIRT_CPUS,
+	 * check that shared_info fits on a page
+	 */
+	BUILD_BUG_ON(sizeof(struct shared_info) > PAGE_SIZE);
+	per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
+}
+
+void __init xen_setup_vcpu_info_placement(void)
+{
+	int cpu;
+
+	for_each_possible_cpu(cpu)
+		xen_vcpu_setup(cpu);
+}
+
+void __cpuinit
+xen_cpu_init(void)
+{
+	xen_smp_intr_init();
+}
+
+/**************************************************************************
+ * opt feature
+ */
+void
+xen_ia64_enable_opt_feature(void)
+{
+	/* Enable region 7 identity map optimizations in Xen */
+	struct xen_ia64_opt_feature optf;
+
+	optf.cmd = XEN_IA64_OPTF_IDENT_MAP_REG7;
+	optf.on = XEN_IA64_OPTF_ON;
+	optf.pgprot = pgprot_val(PAGE_KERNEL);
+	optf.key = 0;	/* No key on linux. */
+	HYPERVISOR_opt_feature(&optf);
+}
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index 77db214b116..fc9d599b62a 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -53,6 +53,115 @@ xen_info_init(void)
 	xen_info.kernel_rpl = rpl;
 }
 
+/***************************************************************************
+ * pv_init_ops
+ * initialization hooks.
+ */
+
+static void
+xen_panic_hypercall(struct unw_frame_info *info, void *arg)
+{
+	current->thread.ksp = (__u64)info->sw - 16;
+	HYPERVISOR_shutdown(SHUTDOWN_crash);
+	/* we're never actually going to get here... */
+}
+
+static int
+xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+	unw_init_running(xen_panic_hypercall, NULL);
+	/* we're never actually going to get here... */
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block xen_panic_block = {
+	xen_panic_event, NULL, 0 /* try to go last */
+};
+
+static void xen_pm_power_off(void)
+{
+	local_irq_disable();
+	HYPERVISOR_shutdown(SHUTDOWN_poweroff);
+}
+
+static void __init
+xen_banner(void)
+{
+	printk(KERN_INFO
+	       "Running on Xen! pl = %d start_info_pfn=0x%lx nr_pages=%ld "
+	       "flags=0x%x\n",
+	       xen_info.kernel_rpl,
+	       HYPERVISOR_shared_info->arch.start_info_pfn,
+	       xen_start_info->nr_pages, xen_start_info->flags);
+}
+
+static int __init
+xen_reserve_memory(struct rsvd_region *region)
+{
+	region->start = (unsigned long)__va(
+		(HYPERVISOR_shared_info->arch.start_info_pfn << PAGE_SHIFT));
+	region->end   = region->start + PAGE_SIZE;
+	return 1;
+}
+
+static void __init
+xen_arch_setup_early(void)
+{
+	struct shared_info *s;
+	BUG_ON(!xen_pv_domain());
+
+	s = HYPERVISOR_shared_info;
+	xen_start_info = __va(s->arch.start_info_pfn << PAGE_SHIFT);
+
+	/* Must be done before any hypercall.  */
+	xencomm_initialize();
+
+	xen_setup_features();
+	/* Register a call for panic conditions. */
+	atomic_notifier_chain_register(&panic_notifier_list,
+				       &xen_panic_block);
+	pm_power_off = xen_pm_power_off;
+
+	xen_ia64_enable_opt_feature();
+}
+
+static void __init
+xen_arch_setup_console(char **cmdline_p)
+{
+	add_preferred_console("xenboot", 0, NULL);
+	add_preferred_console("tty", 0, NULL);
+	/* use hvc_xen */
+	add_preferred_console("hvc", 0, NULL);
+
+#if !defined(CONFIG_VT) || !defined(CONFIG_DUMMY_CONSOLE)
+	conswitchp = NULL;
+#endif
+}
+
+static int __init
+xen_arch_setup_nomca(void)
+{
+	return 1;
+}
+
+static void __init
+xen_post_smp_prepare_boot_cpu(void)
+{
+	xen_setup_vcpu_info_placement();
+}
+
+static const struct pv_init_ops xen_init_ops __initdata = {
+	.banner = xen_banner,
+
+	.reserve_memory = xen_reserve_memory,
+
+	.arch_setup_early = xen_arch_setup_early,
+	.arch_setup_console = xen_arch_setup_console,
+	.arch_setup_nomca = xen_arch_setup_nomca,
+
+	.post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu,
+};
+
 /***************************************************************************
  * pv_ops initialization
  */
@@ -62,4 +171,5 @@ xen_setup_pv_ops(void)
 {
 	xen_info_init();
 	pv_info = xen_info;
+	pv_init_ops = xen_init_ops;
 }
-- 
GitLab


From 4b83ce4367943aa3eb960df56759f45d70722a4c Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:00 +0900
Subject: [PATCH 0985/2224] ia64/pv_ops/xen: define xen pv_cpu_ops.

define xen pv_cpu_ops which implementes xen paravirtualized
privileged instructions.

Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/xen/xen_pv_ops.c | 114 +++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)

diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index fc9d599b62a..c236f04ffad 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -162,6 +162,119 @@ static const struct pv_init_ops xen_init_ops __initdata = {
 	.post_smp_prepare_boot_cpu = xen_post_smp_prepare_boot_cpu,
 };
 
+/***************************************************************************
+ * pv_cpu_ops
+ * intrinsics hooks.
+ */
+
+static void xen_setreg(int regnum, unsigned long val)
+{
+	switch (regnum) {
+	case _IA64_REG_AR_KR0 ... _IA64_REG_AR_KR7:
+		xen_set_kr(regnum - _IA64_REG_AR_KR0, val);
+		break;
+#ifdef CONFIG_IA32_SUPPORT
+	case _IA64_REG_AR_EFLAG:
+		xen_set_eflag(val);
+		break;
+#endif
+	case _IA64_REG_CR_TPR:
+		xen_set_tpr(val);
+		break;
+	case _IA64_REG_CR_ITM:
+		xen_set_itm(val);
+		break;
+	case _IA64_REG_CR_EOI:
+		xen_eoi(val);
+		break;
+	default:
+		ia64_native_setreg_func(regnum, val);
+		break;
+	}
+}
+
+static unsigned long xen_getreg(int regnum)
+{
+	unsigned long res;
+
+	switch (regnum) {
+	case _IA64_REG_PSR:
+		res = xen_get_psr();
+		break;
+#ifdef CONFIG_IA32_SUPPORT
+	case _IA64_REG_AR_EFLAG:
+		res = xen_get_eflag();
+		break;
+#endif
+	case _IA64_REG_CR_IVR:
+		res = xen_get_ivr();
+		break;
+	case _IA64_REG_CR_TPR:
+		res = xen_get_tpr();
+		break;
+	default:
+		res = ia64_native_getreg_func(regnum);
+		break;
+	}
+	return res;
+}
+
+/* turning on interrupts is a bit more complicated.. write to the
+ * memory-mapped virtual psr.i bit first (to avoid race condition),
+ * then if any interrupts were pending, we have to execute a hyperprivop
+ * to ensure the pending interrupt gets delivered; else we're done! */
+static void
+xen_ssm_i(void)
+{
+	int old = xen_get_virtual_psr_i();
+	xen_set_virtual_psr_i(1);
+	barrier();
+	if (!old && xen_get_virtual_pend())
+		xen_hyper_ssm_i();
+}
+
+/* turning off interrupts can be paravirtualized simply by writing
+ * to a memory-mapped virtual psr.i bit (implemented as a 16-bit bool) */
+static void
+xen_rsm_i(void)
+{
+	xen_set_virtual_psr_i(0);
+	barrier();
+}
+
+static unsigned long
+xen_get_psr_i(void)
+{
+	return xen_get_virtual_psr_i() ? IA64_PSR_I : 0;
+}
+
+static void
+xen_intrin_local_irq_restore(unsigned long mask)
+{
+	if (mask & IA64_PSR_I)
+		xen_ssm_i();
+	else
+		xen_rsm_i();
+}
+
+static const struct pv_cpu_ops xen_cpu_ops __initdata = {
+	.fc		= xen_fc,
+	.thash		= xen_thash,
+	.get_cpuid	= xen_get_cpuid,
+	.get_pmd	= xen_get_pmd,
+	.getreg		= xen_getreg,
+	.setreg		= xen_setreg,
+	.ptcga		= xen_ptcga,
+	.get_rr		= xen_get_rr,
+	.set_rr		= xen_set_rr,
+	.set_rr0_to_rr4	= xen_set_rr0_to_rr4,
+	.ssm_i		= xen_ssm_i,
+	.rsm_i		= xen_rsm_i,
+	.get_psr_i	= xen_get_psr_i,
+	.intrin_local_irq_restore
+			= xen_intrin_local_irq_restore,
+};
+
 /***************************************************************************
  * pv_ops initialization
  */
@@ -172,4 +285,5 @@ xen_setup_pv_ops(void)
 	xen_info_init();
 	pv_info = xen_info;
 	pv_init_ops = xen_init_ops;
+	pv_cpu_ops = xen_cpu_ops;
 }
-- 
GitLab


From d65b503edd7361097974f909c05f26699aff4057 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:01 +0900
Subject: [PATCH 0986/2224] ia64/pv_ops/xen: define xen paravirtualized
 instructions for hand written assembly code

define xen paravirtualized instructions for hand written assembly code.

Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/inst.h | 447 +++++++++++++++++++++++++++++++
 1 file changed, 447 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/inst.h

diff --git a/arch/ia64/include/asm/xen/inst.h b/arch/ia64/include/asm/xen/inst.h
new file mode 100644
index 00000000000..03895e98550
--- /dev/null
+++ b/arch/ia64/include/asm/xen/inst.h
@@ -0,0 +1,447 @@
+/******************************************************************************
+ * arch/ia64/include/asm/xen/inst.h
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <asm/xen/privop.h>
+
+#define MOV_FROM_IFA(reg)	\
+	movl reg = XSI_IFA;	\
+	;;			\
+	ld8 reg = [reg]
+
+#define MOV_FROM_ITIR(reg)	\
+	movl reg = XSI_ITIR;	\
+	;;			\
+	ld8 reg = [reg]
+
+#define MOV_FROM_ISR(reg)	\
+	movl reg = XSI_ISR;	\
+	;;			\
+	ld8 reg = [reg]
+
+#define MOV_FROM_IHA(reg)	\
+	movl reg = XSI_IHA;	\
+	;;			\
+	ld8 reg = [reg]
+
+#define MOV_FROM_IPSR(pred, reg)	\
+(pred)	movl reg = XSI_IPSR;		\
+	;;				\
+(pred)	ld8 reg = [reg]
+
+#define MOV_FROM_IIM(reg)	\
+	movl reg = XSI_IIM;	\
+	;;			\
+	ld8 reg = [reg]
+
+#define MOV_FROM_IIP(reg)	\
+	movl reg = XSI_IIP;	\
+	;;			\
+	ld8 reg = [reg]
+
+.macro __MOV_FROM_IVR reg, clob
+	.ifc "\reg", "r8"
+		XEN_HYPER_GET_IVR
+		.exitm
+	.endif
+	.ifc "\clob", "r8"
+		XEN_HYPER_GET_IVR
+		;;
+		mov \reg = r8
+		.exitm
+	.endif
+
+	mov \clob = r8
+	;;
+	XEN_HYPER_GET_IVR
+	;;
+	mov \reg = r8
+	;;
+	mov r8 = \clob
+.endm
+#define MOV_FROM_IVR(reg, clob)	__MOV_FROM_IVR reg, clob
+
+.macro __MOV_FROM_PSR pred, reg, clob
+	.ifc "\reg", "r8"
+		(\pred)	XEN_HYPER_GET_PSR;
+		.exitm
+	.endif
+	.ifc "\clob", "r8"
+		(\pred)	XEN_HYPER_GET_PSR
+		;;
+		(\pred)	mov \reg = r8
+		.exitm
+	.endif
+
+	(\pred)	mov \clob = r8
+	(\pred)	XEN_HYPER_GET_PSR
+	;;
+	(\pred)	mov \reg = r8
+	(\pred)	mov r8 = \clob
+.endm
+#define MOV_FROM_PSR(pred, reg, clob)	__MOV_FROM_PSR pred, reg, clob
+
+
+#define MOV_TO_IFA(reg, clob)	\
+	movl clob = XSI_IFA;	\
+	;;			\
+	st8 [clob] = reg	\
+
+#define MOV_TO_ITIR(pred, reg, clob)	\
+(pred)	movl clob = XSI_ITIR;		\
+	;;				\
+(pred)	st8 [clob] = reg
+
+#define MOV_TO_IHA(pred, reg, clob)	\
+(pred)	movl clob = XSI_IHA;		\
+	;;				\
+(pred)	st8 [clob] = reg
+
+#define MOV_TO_IPSR(pred, reg, clob)	\
+(pred)	movl clob = XSI_IPSR;		\
+	;;				\
+(pred)	st8 [clob] = reg;		\
+	;;
+
+#define MOV_TO_IFS(pred, reg, clob)	\
+(pred)	movl clob = XSI_IFS;		\
+	;;				\
+(pred)	st8 [clob] = reg;		\
+	;;
+
+#define MOV_TO_IIP(reg, clob)	\
+	movl clob = XSI_IIP;	\
+	;;			\
+	st8 [clob] = reg
+
+.macro ____MOV_TO_KR kr, reg, clob0, clob1
+	.ifc "\clob0", "r9"
+		.error "clob0 \clob0 must not be r9"
+	.endif
+	.ifc "\clob1", "r8"
+		.error "clob1 \clob1 must not be r8"
+	.endif
+
+	.ifnc "\reg", "r9"
+		.ifnc "\clob1", "r9"
+			mov \clob1 = r9
+		.endif
+		mov r9 = \reg
+	.endif
+	.ifnc "\clob0", "r8"
+		mov \clob0 = r8
+	.endif
+	mov r8 = \kr
+	;;
+	XEN_HYPER_SET_KR
+
+	.ifnc "\reg", "r9"
+		.ifnc "\clob1", "r9"
+			mov r9 = \clob1
+		.endif
+	.endif
+	.ifnc "\clob0", "r8"
+		mov r8 = \clob0
+	.endif
+.endm
+
+.macro __MOV_TO_KR kr, reg, clob0, clob1
+	.ifc "\clob0", "r9"
+		____MOV_TO_KR \kr, \reg, \clob1, \clob0
+		.exitm
+	.endif
+	.ifc "\clob1", "r8"
+		____MOV_TO_KR \kr, \reg, \clob1, \clob0
+		.exitm
+	.endif
+
+	____MOV_TO_KR \kr, \reg, \clob0, \clob1
+.endm
+
+#define MOV_TO_KR(kr, reg, clob0, clob1) \
+	__MOV_TO_KR IA64_KR_ ## kr, reg, clob0, clob1
+
+
+.macro __ITC_I pred, reg, clob
+	.ifc "\reg", "r8"
+		(\pred)	XEN_HYPER_ITC_I
+		.exitm
+	.endif
+	.ifc "\clob", "r8"
+		(\pred)	mov r8 = \reg
+		;;
+		(\pred)	XEN_HYPER_ITC_I
+		.exitm
+	.endif
+
+	(\pred)	mov \clob = r8
+	(\pred)	mov r8 = \reg
+	;;
+	(\pred)	XEN_HYPER_ITC_I
+	;;
+	(\pred)	mov r8 = \clob
+	;;
+.endm
+#define ITC_I(pred, reg, clob)	__ITC_I pred, reg, clob
+
+.macro __ITC_D pred, reg, clob
+	.ifc "\reg", "r8"
+		(\pred)	XEN_HYPER_ITC_D
+		;;
+		.exitm
+	.endif
+	.ifc "\clob", "r8"
+		(\pred)	mov r8 = \reg
+		;;
+		(\pred)	XEN_HYPER_ITC_D
+		;;
+		.exitm
+	.endif
+
+	(\pred)	mov \clob = r8
+	(\pred)	mov r8 = \reg
+	;;
+	(\pred)	XEN_HYPER_ITC_D
+	;;
+	(\pred)	mov r8 = \clob
+	;;
+.endm
+#define ITC_D(pred, reg, clob)	__ITC_D pred, reg, clob
+
+.macro __ITC_I_AND_D pred_i, pred_d, reg, clob
+	.ifc "\reg", "r8"
+		(\pred_i)XEN_HYPER_ITC_I
+		;;
+		(\pred_d)XEN_HYPER_ITC_D
+		;;
+		.exitm
+	.endif
+	.ifc "\clob", "r8"
+		mov r8 = \reg
+		;;
+		(\pred_i)XEN_HYPER_ITC_I
+		;;
+		(\pred_d)XEN_HYPER_ITC_D
+		;;
+		.exitm
+	.endif
+
+	mov \clob = r8
+	mov r8 = \reg
+	;;
+	(\pred_i)XEN_HYPER_ITC_I
+	;;
+	(\pred_d)XEN_HYPER_ITC_D
+	;;
+	mov r8 = \clob
+	;;
+.endm
+#define ITC_I_AND_D(pred_i, pred_d, reg, clob) \
+	__ITC_I_AND_D pred_i, pred_d, reg, clob
+
+.macro __THASH pred, reg0, reg1, clob
+	.ifc "\reg0", "r8"
+		(\pred)	mov r8 = \reg1
+		(\pred)	XEN_HYPER_THASH
+		.exitm
+	.endc
+	.ifc "\reg1", "r8"
+		(\pred)	XEN_HYPER_THASH
+		;;
+		(\pred)	mov \reg0 = r8
+		;;
+		.exitm
+	.endif
+	.ifc "\clob", "r8"
+		(\pred)	mov r8 = \reg1
+		(\pred)	XEN_HYPER_THASH
+		;;
+		(\pred)	mov \reg0 = r8
+		;;
+		.exitm
+	.endif
+
+	(\pred)	mov \clob = r8
+	(\pred)	mov r8 = \reg1
+	(\pred)	XEN_HYPER_THASH
+	;;
+	(\pred)	mov \reg0 = r8
+	(\pred)	mov r8 = \clob
+	;;
+.endm
+#define THASH(pred, reg0, reg1, clob) __THASH pred, reg0, reg1, clob
+
+#define SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(clob0, clob1)	\
+	mov clob0 = 1;						\
+	movl clob1 = XSI_PSR_IC;				\
+	;;							\
+	st4 [clob1] = clob0					\
+	;;
+
+#define SSM_PSR_IC_AND_SRLZ_D(clob0, clob1)	\
+	;;					\
+	srlz.d;					\
+	mov clob1 = 1;				\
+	movl clob0 = XSI_PSR_IC;		\
+	;;					\
+	st4 [clob0] = clob1
+
+#define RSM_PSR_IC(clob)	\
+	movl clob = XSI_PSR_IC;	\
+	;;			\
+	st4 [clob] = r0;	\
+	;;
+
+/* pred will be clobbered */
+#define MASK_TO_PEND_OFS    (-1)
+#define SSM_PSR_I(pred, pred_clob, clob)				\
+(pred)	movl clob = XSI_PSR_I_ADDR					\
+	;;								\
+(pred)	ld8 clob = [clob]						\
+	;;								\
+	/* if (pred) vpsr.i = 1 */					\
+	/* if (pred) (vcpu->vcpu_info->evtchn_upcall_mask)=0 */		\
+(pred)	st1 [clob] = r0, MASK_TO_PEND_OFS				\
+	;;								\
+	/* if (vcpu->vcpu_info->evtchn_upcall_pending) */		\
+(pred)	ld1 clob = [clob]						\
+	;;								\
+(pred)	cmp.ne.unc pred_clob, p0 = clob, r0				\
+	;;								\
+(pred_clob)XEN_HYPER_SSM_I	/* do areal ssm psr.i */
+
+#define RSM_PSR_I(pred, clob0, clob1)	\
+	movl clob0 = XSI_PSR_I_ADDR;	\
+	mov clob1 = 1;			\
+	;;				\
+	ld8 clob0 = [clob0];		\
+	;;				\
+(pred)	st1 [clob0] = clob1
+
+#define RSM_PSR_I_IC(clob0, clob1, clob2)		\
+	movl clob0 = XSI_PSR_I_ADDR;			\
+	movl clob1 = XSI_PSR_IC;			\
+	;;						\
+	ld8 clob0 = [clob0];				\
+	mov clob2 = 1;					\
+	;;						\
+	/* note: clears both vpsr.i and vpsr.ic! */	\
+	st1 [clob0] = clob2;				\
+	st4 [clob1] = r0;				\
+	;;
+
+#define RSM_PSR_DT		\
+	XEN_HYPER_RSM_PSR_DT
+
+#define SSM_PSR_DT_AND_SRLZ_I	\
+	XEN_HYPER_SSM_PSR_DT
+
+#define BSW_0(clob0, clob1, clob2)			\
+	;;						\
+	/* r16-r31 all now hold bank1 values */		\
+	mov clob2 = ar.unat;				\
+	movl clob0 = XSI_BANK1_R16;			\
+	movl clob1 = XSI_BANK1_R16 + 8;			\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r16, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r17, 16;		\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r18, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r19, 16;		\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r20, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r21, 16;		\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r22, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r23, 16;		\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r24, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r25, 16;		\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r26, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r27, 16;		\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r28, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r29, 16;		\
+	;;						\
+.mem.offset 0, 0; st8.spill [clob0] = r30, 16;		\
+.mem.offset 8, 0; st8.spill [clob1] = r31, 16;		\
+	;;						\
+	mov clob1 = ar.unat;				\
+	movl clob0 = XSI_B1NAT;				\
+	;;						\
+	st8 [clob0] = clob1;				\
+	mov ar.unat = clob2;				\
+	movl clob0 = XSI_BANKNUM;			\
+	;;						\
+	st4 [clob0] = r0
+
+
+	/* FIXME: THIS CODE IS NOT NaT SAFE! */
+#define XEN_BSW_1(clob)			\
+	mov clob = ar.unat;		\
+	movl r30 = XSI_B1NAT;		\
+	;;				\
+	ld8 r30 = [r30];		\
+	mov r31 = 1;			\
+	;;				\
+	mov ar.unat = r30;		\
+	movl r30 = XSI_BANKNUM;		\
+	;;				\
+	st4 [r30] = r31;		\
+	movl r30 = XSI_BANK1_R16;	\
+	movl r31 = XSI_BANK1_R16+8;	\
+	;;				\
+	ld8.fill r16 = [r30], 16;	\
+	ld8.fill r17 = [r31], 16;	\
+	;;				\
+	ld8.fill r18 = [r30], 16;	\
+	ld8.fill r19 = [r31], 16;	\
+	;;				\
+	ld8.fill r20 = [r30], 16;	\
+	ld8.fill r21 = [r31], 16;	\
+	;;				\
+	ld8.fill r22 = [r30], 16;	\
+	ld8.fill r23 = [r31], 16;	\
+	;;				\
+	ld8.fill r24 = [r30], 16;	\
+	ld8.fill r25 = [r31], 16;	\
+	;;				\
+	ld8.fill r26 = [r30], 16;	\
+	ld8.fill r27 = [r31], 16;	\
+	;;				\
+	ld8.fill r28 = [r30], 16;	\
+	ld8.fill r29 = [r31], 16;	\
+	;;				\
+	ld8.fill r30 = [r30];		\
+	ld8.fill r31 = [r31];		\
+	;;				\
+	mov ar.unat = clob
+
+#define BSW_1(clob0, clob1)	XEN_BSW_1(clob1)
+
+
+#define COVER	\
+	XEN_HYPER_COVER
+
+#define RFI			\
+	XEN_HYPER_RFI;		\
+	dv_serialize_data
-- 
GitLab


From 21820cce1701cf978310efb47d90e5e6a927f6ae Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:02 +0900
Subject: [PATCH 0987/2224] ia64/pv_ops/xen: paravirtualize DO_SAVE_MIN for
 xen.

paravirtualize DO_SAVE_MIN in minstate.h for xen.

Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/inst.h     |   2 +
 arch/ia64/include/asm/xen/minstate.h | 134 +++++++++++++++++++++++++++
 2 files changed, 136 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/minstate.h

diff --git a/arch/ia64/include/asm/xen/inst.h b/arch/ia64/include/asm/xen/inst.h
index 03895e98550..1e92ed07837 100644
--- a/arch/ia64/include/asm/xen/inst.h
+++ b/arch/ia64/include/asm/xen/inst.h
@@ -22,6 +22,8 @@
 
 #include <asm/xen/privop.h>
 
+#define DO_SAVE_MIN				XEN_DO_SAVE_MIN
+
 #define MOV_FROM_IFA(reg)	\
 	movl reg = XSI_IFA;	\
 	;;			\
diff --git a/arch/ia64/include/asm/xen/minstate.h b/arch/ia64/include/asm/xen/minstate.h
new file mode 100644
index 00000000000..4d92d9bbda7
--- /dev/null
+++ b/arch/ia64/include/asm/xen/minstate.h
@@ -0,0 +1,134 @@
+/*
+ * DO_SAVE_MIN switches to the kernel stacks (if necessary) and saves
+ * the minimum state necessary that allows us to turn psr.ic back
+ * on.
+ *
+ * Assumed state upon entry:
+ *	psr.ic: off
+ *	r31:	contains saved predicates (pr)
+ *
+ * Upon exit, the state is as follows:
+ *	psr.ic: off
+ *	 r2 = points to &pt_regs.r16
+ *	 r8 = contents of ar.ccv
+ *	 r9 = contents of ar.csd
+ *	r10 = contents of ar.ssd
+ *	r11 = FPSR_DEFAULT
+ *	r12 = kernel sp (kernel virtual address)
+ *	r13 = points to current task_struct (kernel virtual address)
+ *	p15 = TRUE if psr.i is set in cr.ipsr
+ *	predicate registers (other than p2, p3, and p15), b6, r3, r14, r15:
+ *		preserved
+ * CONFIG_XEN note: p6/p7 are not preserved
+ *
+ * Note that psr.ic is NOT turned on by this macro.  This is so that
+ * we can pass interruption state as arguments to a handler.
+ */
+#define XEN_DO_SAVE_MIN(__COVER,SAVE_IFS,EXTRA,WORKAROUND)					\
+	mov r16=IA64_KR(CURRENT);	/* M */							\
+	mov r27=ar.rsc;			/* M */							\
+	mov r20=r1;			/* A */							\
+	mov r25=ar.unat;		/* M */							\
+	MOV_FROM_IPSR(p0,r29);		/* M */							\
+	MOV_FROM_IIP(r28);		/* M */							\
+	mov r21=ar.fpsr;		/* M */							\
+	mov r26=ar.pfs;			/* I */							\
+	__COVER;			/* B;; (or nothing) */					\
+	adds r16=IA64_TASK_THREAD_ON_USTACK_OFFSET,r16;						\
+	;;											\
+	ld1 r17=[r16];				/* load current->thread.on_ustack flag */	\
+	st1 [r16]=r0;				/* clear current->thread.on_ustack flag */	\
+	adds r1=-IA64_TASK_THREAD_ON_USTACK_OFFSET,r16						\
+	/* switch from user to kernel RBS: */							\
+	;;											\
+	invala;				/* M */							\
+	/* SAVE_IFS;*/ /* see xen special handling below */					\
+	cmp.eq pKStk,pUStk=r0,r17;		/* are we in kernel mode already? */		\
+	;;											\
+(pUStk)	mov ar.rsc=0;		/* set enforced lazy mode, pl 0, little-endian, loadrs=0 */	\
+	;;											\
+(pUStk)	mov.m r24=ar.rnat;									\
+(pUStk)	addl r22=IA64_RBS_OFFSET,r1;			/* compute base of RBS */		\
+(pKStk) mov r1=sp;					/* get sp  */				\
+	;;											\
+(pUStk) lfetch.fault.excl.nt1 [r22];								\
+(pUStk)	addl r1=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r1;	/* compute base of memory stack */	\
+(pUStk)	mov r23=ar.bspstore;				/* save ar.bspstore */			\
+	;;											\
+(pUStk)	mov ar.bspstore=r22;				/* switch to kernel RBS */		\
+(pKStk) addl r1=-IA64_PT_REGS_SIZE,r1;			/* if in kernel mode, use sp (r12) */	\
+	;;											\
+(pUStk)	mov r18=ar.bsp;										\
+(pUStk)	mov ar.rsc=0x3;		/* set eager mode, pl 0, little-endian, loadrs=0 */		\
+	adds r17=2*L1_CACHE_BYTES,r1;		/* really: biggest cache-line size */		\
+	adds r16=PT(CR_IPSR),r1;								\
+	;;											\
+	lfetch.fault.excl.nt1 [r17],L1_CACHE_BYTES;						\
+	st8 [r16]=r29;		/* save cr.ipsr */						\
+	;;											\
+	lfetch.fault.excl.nt1 [r17];								\
+	tbit.nz p15,p0=r29,IA64_PSR_I_BIT;							\
+	mov r29=b0										\
+	;;											\
+	WORKAROUND;										\
+	adds r16=PT(R8),r1;	/* initialize first base pointer */				\
+	adds r17=PT(R9),r1;	/* initialize second base pointer */				\
+(pKStk)	mov r18=r0;		/* make sure r18 isn't NaT */					\
+	;;											\
+.mem.offset 0,0; st8.spill [r16]=r8,16;								\
+.mem.offset 8,0; st8.spill [r17]=r9,16;								\
+        ;;											\
+.mem.offset 0,0; st8.spill [r16]=r10,24;							\
+	movl r8=XSI_PRECOVER_IFS;								\
+.mem.offset 8,0; st8.spill [r17]=r11,24;							\
+        ;;											\
+	/* xen special handling for possibly lazy cover */					\
+	/* SAVE_MIN case in dispatch_ia32_handler: mov r30=r0 */				\
+	ld8 r30=[r8];										\
+(pUStk)	sub r18=r18,r22;	/* r18=RSE.ndirty*8 */						\
+	st8 [r16]=r28,16;	/* save cr.iip */						\
+	;;											\
+	st8 [r17]=r30,16;	/* save cr.ifs */						\
+	mov r8=ar.ccv;										\
+	mov r9=ar.csd;										\
+	mov r10=ar.ssd;										\
+	movl r11=FPSR_DEFAULT;   /* L-unit */							\
+	;;											\
+	st8 [r16]=r25,16;	/* save ar.unat */						\
+	st8 [r17]=r26,16;	/* save ar.pfs */						\
+	shl r18=r18,16;		/* compute ar.rsc to be used for "loadrs" */			\
+	;;											\
+	st8 [r16]=r27,16;	/* save ar.rsc */						\
+(pUStk)	st8 [r17]=r24,16;	/* save ar.rnat */						\
+(pKStk)	adds r17=16,r17;	/* skip over ar_rnat field */					\
+	;;			/* avoid RAW on r16 & r17 */					\
+(pUStk)	st8 [r16]=r23,16;	/* save ar.bspstore */						\
+	st8 [r17]=r31,16;	/* save predicates */						\
+(pKStk)	adds r16=16,r16;	/* skip over ar_bspstore field */				\
+	;;											\
+	st8 [r16]=r29,16;	/* save b0 */							\
+	st8 [r17]=r18,16;	/* save ar.rsc value for "loadrs" */				\
+	cmp.eq pNonSys,pSys=r0,r0	/* initialize pSys=0, pNonSys=1 */			\
+	;;											\
+.mem.offset 0,0; st8.spill [r16]=r20,16;	/* save original r1 */				\
+.mem.offset 8,0; st8.spill [r17]=r12,16;							\
+	adds r12=-16,r1;	/* switch to kernel memory stack (with 16 bytes of scratch) */	\
+	;;											\
+.mem.offset 0,0; st8.spill [r16]=r13,16;							\
+.mem.offset 8,0; st8.spill [r17]=r21,16;	/* save ar.fpsr */				\
+	mov r13=IA64_KR(CURRENT);	/* establish `current' */				\
+	;;											\
+.mem.offset 0,0; st8.spill [r16]=r15,16;							\
+.mem.offset 8,0; st8.spill [r17]=r14,16;							\
+	;;											\
+.mem.offset 0,0; st8.spill [r16]=r2,16;								\
+.mem.offset 8,0; st8.spill [r17]=r3,16;								\
+	ACCOUNT_GET_STAMP									\
+	adds r2=IA64_PT_REGS_R16_OFFSET,r1;							\
+	;;											\
+	EXTRA;											\
+	movl r1=__gp;		/* establish kernel global pointer */				\
+	;;											\
+	ACCOUNT_SYS_ENTER									\
+	BSW_1(r3,r14);	/* switch back to bank 1 (must be last in insn group) */		\
+	;;
-- 
GitLab


From 5142ec4690943eefc86b01396addf70083a2b9fb Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:03 +0900
Subject: [PATCH 0988/2224] ia64/pv_ops/xen: paravirtualize ivt.S for xen.

paravirtualize ivt.S for xen by multi compile.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/inst.h |  1 +
 arch/ia64/xen/Makefile           | 16 +++++++++-
 arch/ia64/xen/xenivt.S           | 52 ++++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/xen/xenivt.S

diff --git a/arch/ia64/include/asm/xen/inst.h b/arch/ia64/include/asm/xen/inst.h
index 1e92ed07837..e6a25c34c7a 100644
--- a/arch/ia64/include/asm/xen/inst.h
+++ b/arch/ia64/include/asm/xen/inst.h
@@ -22,6 +22,7 @@
 
 #include <asm/xen/privop.h>
 
+#define ia64_ivt				xen_ivt
 #define DO_SAVE_MIN				XEN_DO_SAVE_MIN
 
 #define MOV_FROM_IFA(reg)	\
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index 7cb4247f90b..5c87e4a79d3 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -2,5 +2,19 @@
 # Makefile for Xen components
 #
 
-obj-y := hypercall.o xensetup.o xen_pv_ops.o \
+obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o \
 	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o
+
+AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN
+
+# xen multi compile
+ASM_PARAVIRT_MULTI_COMPILE_SRCS = ivt.S
+ASM_PARAVIRT_OBJS = $(addprefix xen-,$(ASM_PARAVIRT_MULTI_COMPILE_SRCS:.S=.o))
+obj-y += $(ASM_PARAVIRT_OBJS)
+define paravirtualized_xen
+AFLAGS_$(1) += -D__IA64_ASM_PARAVIRTUALIZED_XEN
+endef
+$(foreach o,$(ASM_PARAVIRT_OBJS),$(eval $(call paravirtualized_xen,$(o))))
+
+$(obj)/xen-%.o: $(src)/../kernel/%.S FORCE
+	$(call if_changed_dep,as_o_S)
diff --git a/arch/ia64/xen/xenivt.S b/arch/ia64/xen/xenivt.S
new file mode 100644
index 00000000000..3e71d50584d
--- /dev/null
+++ b/arch/ia64/xen/xenivt.S
@@ -0,0 +1,52 @@
+/*
+ * arch/ia64/xen/ivt.S
+ *
+ * Copyright (C) 2005 Hewlett-Packard Co
+ *	Dan Magenheimer <dan.magenheimer@hp.com>
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *                    pv_ops.
+ */
+
+#include <asm/asmmacro.h>
+#include <asm/kregs.h>
+#include <asm/pgtable.h>
+
+#include "../kernel/minstate.h"
+
+	.section .text,"ax"
+GLOBAL_ENTRY(xen_event_callback)
+	mov r31=pr		// prepare to save predicates
+	;;
+	SAVE_MIN_WITH_COVER	// uses r31; defines r2 and r3
+	;;
+	movl r3=XSI_PSR_IC
+	mov r14=1
+	;;
+	st4 [r3]=r14
+	;;
+	adds r3=8,r2		// set up second base pointer for SAVE_REST
+	srlz.i			// ensure everybody knows psr.ic is back on
+	;;
+	SAVE_REST
+	;;
+1:
+	alloc r14=ar.pfs,0,0,1,0 // must be first in an insn group
+	add out0=16,sp		// pass pointer to pt_regs as first arg
+	;;
+	br.call.sptk.many b0=xen_evtchn_do_upcall
+	;;
+	movl r20=XSI_PSR_I_ADDR
+	;;
+	ld8 r20=[r20]
+	;;
+	adds r20=-1,r20		// vcpu_info->evtchn_upcall_pending
+	;;
+	ld1 r20=[r20]
+	;;
+	cmp.ne p6,p0=r20,r0	// if there are pending events,
+	(p6) br.spnt.few 1b	// call evtchn_do_upcall again.
+	br.sptk.many xen_leave_kernel	// we know ia64_leave_kernel is
+					// paravirtualized as xen_leave_kernel
+END(xen_event_callback)
-- 
GitLab


From 16583bc0b4871299a60cbcdd1c6e102e3f9b8e4b Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:04 +0900
Subject: [PATCH 0989/2224] ia64/pv_ops/xen: paravirtualize entry.S for
 ia64/xen.

paravirtualize entry.S for ia64/xen by multi compile.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/inst.h |  8 ++++++++
 arch/ia64/xen/Makefile           |  2 +-
 arch/ia64/xen/xen_pv_ops.c       | 18 ++++++++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/arch/ia64/include/asm/xen/inst.h b/arch/ia64/include/asm/xen/inst.h
index e6a25c34c7a..19c2ae1d878 100644
--- a/arch/ia64/include/asm/xen/inst.h
+++ b/arch/ia64/include/asm/xen/inst.h
@@ -25,6 +25,14 @@
 #define ia64_ivt				xen_ivt
 #define DO_SAVE_MIN				XEN_DO_SAVE_MIN
 
+#define __paravirt_switch_to			xen_switch_to
+#define __paravirt_leave_syscall		xen_leave_syscall
+#define __paravirt_work_processed_syscall	xen_work_processed_syscall
+#define __paravirt_leave_kernel			xen_leave_kernel
+#define __paravirt_pending_syscall_end		xen_work_pending_syscall_end
+#define __paravirt_work_processed_syscall_target \
+						xen_work_processed_syscall
+
 #define MOV_FROM_IFA(reg)	\
 	movl reg = XSI_IFA;	\
 	;;			\
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index 5c87e4a79d3..9b77e8ae4f3 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -8,7 +8,7 @@ obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o \
 AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN
 
 # xen multi compile
-ASM_PARAVIRT_MULTI_COMPILE_SRCS = ivt.S
+ASM_PARAVIRT_MULTI_COMPILE_SRCS = ivt.S entry.S
 ASM_PARAVIRT_OBJS = $(addprefix xen-,$(ASM_PARAVIRT_MULTI_COMPILE_SRCS:.S=.o))
 obj-y += $(ASM_PARAVIRT_OBJS)
 define paravirtualized_xen
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index c236f04ffad..5b23cd5e915 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -275,6 +275,22 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = {
 			= xen_intrin_local_irq_restore,
 };
 
+/******************************************************************************
+ * replacement of hand written assembly codes.
+ */
+
+extern char xen_switch_to;
+extern char xen_leave_syscall;
+extern char xen_work_processed_syscall;
+extern char xen_leave_kernel;
+
+const struct pv_cpu_asm_switch xen_cpu_asm_switch = {
+	.switch_to		= (unsigned long)&xen_switch_to,
+	.leave_syscall		= (unsigned long)&xen_leave_syscall,
+	.work_processed_syscall	= (unsigned long)&xen_work_processed_syscall,
+	.leave_kernel		= (unsigned long)&xen_leave_kernel,
+};
+
 /***************************************************************************
  * pv_ops initialization
  */
@@ -286,4 +302,6 @@ xen_setup_pv_ops(void)
 	pv_info = xen_info;
 	pv_init_ops = xen_init_ops;
 	pv_cpu_ops = xen_cpu_ops;
+
+	paravirt_cpu_asm_init(&xen_cpu_asm_switch);
 }
-- 
GitLab


From bcdd48739d1336332e4086c9e1c9f225290b8194 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:05 +0900
Subject: [PATCH 0990/2224] ia64/pv_ops/xen: implement xen pv_iosapic_ops.

implement xen pv_iosapic_ops for xen paravirtualized
iosapic.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/xen/xen_pv_ops.c | 52 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index 5b23cd5e915..41a6cbfab15 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -291,6 +291,57 @@ const struct pv_cpu_asm_switch xen_cpu_asm_switch = {
 	.leave_kernel		= (unsigned long)&xen_leave_kernel,
 };
 
+/***************************************************************************
+ * pv_iosapic_ops
+ * iosapic read/write hooks.
+ */
+static void
+xen_pcat_compat_init(void)
+{
+	/* nothing */
+}
+
+static struct irq_chip*
+xen_iosapic_get_irq_chip(unsigned long trigger)
+{
+	return NULL;
+}
+
+static unsigned int
+xen_iosapic_read(char __iomem *iosapic, unsigned int reg)
+{
+	struct physdev_apic apic_op;
+	int ret;
+
+	apic_op.apic_physbase = (unsigned long)iosapic -
+					__IA64_UNCACHED_OFFSET;
+	apic_op.reg = reg;
+	ret = HYPERVISOR_physdev_op(PHYSDEVOP_apic_read, &apic_op);
+	if (ret)
+		return ret;
+	return apic_op.value;
+}
+
+static void
+xen_iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val)
+{
+	struct physdev_apic apic_op;
+
+	apic_op.apic_physbase = (unsigned long)iosapic -
+					__IA64_UNCACHED_OFFSET;
+	apic_op.reg = reg;
+	apic_op.value = val;
+	HYPERVISOR_physdev_op(PHYSDEVOP_apic_write, &apic_op);
+}
+
+static const struct pv_iosapic_ops xen_iosapic_ops __initdata = {
+	.pcat_compat_init = xen_pcat_compat_init,
+	.__get_irq_chip = xen_iosapic_get_irq_chip,
+
+	.__read = xen_iosapic_read,
+	.__write = xen_iosapic_write,
+};
+
 /***************************************************************************
  * pv_ops initialization
  */
@@ -302,6 +353,7 @@ xen_setup_pv_ops(void)
 	pv_info = xen_info;
 	pv_init_ops = xen_init_ops;
 	pv_cpu_ops = xen_cpu_ops;
+	pv_iosapic_ops = xen_iosapic_ops;
 
 	paravirt_cpu_asm_init(&xen_cpu_asm_switch);
 }
-- 
GitLab


From 18de9735300756e3ca9c361ef58409d8561dfe0d Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Thu, 16 Oct 2008 17:41:11 -0400
Subject: [PATCH 0991/2224] NFS: Enable NFSv4 callback server to listen on
 AF_INET6 sockets

Allow the NFS callback server to listen for requests via an AF_INET6 or
AF_INET socket when IPv6 support is present in the kernel.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/callback.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 6a09760c596..c2e9cfd9e5a 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -40,6 +40,16 @@ unsigned short nfs_callback_tcpport;
 static const int nfs_set_port_min = 0;
 static const int nfs_set_port_max = 65535;
 
+/*
+ * If the kernel has IPv6 support available, always listen for
+ * both AF_INET and AF_INET6 requests.
+ */
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+static const sa_family_t	nfs_callback_family = AF_INET6;
+#else
+static const sa_family_t	nfs_callback_family = AF_INET;
+#endif
+
 static int param_set_port(const char *val, struct kernel_param *kp)
 {
 	char *endp;
@@ -106,7 +116,7 @@ int nfs_callback_up(void)
 	if (nfs_callback_info.users++ || nfs_callback_info.task != NULL)
 		goto out;
 	serv = svc_create(&nfs4_callback_program, NFS4_CALLBACK_BUFSIZE,
-				AF_INET, NULL);
+				nfs_callback_family, NULL);
 	ret = -ENOMEM;
 	if (!serv)
 		goto out_err;
@@ -116,7 +126,8 @@ int nfs_callback_up(void)
 	if (ret <= 0)
 		goto out_err;
 	nfs_callback_tcpport = ret;
-	dprintk("Callback port = 0x%x\n", nfs_callback_tcpport);
+	dprintk("NFS: Callback listener port = %u (af %u)\n",
+			nfs_callback_tcpport, nfs_callback_family);
 
 	nfs_callback_info.rqst = svc_prepare_thread(serv, &serv->sv_pools[0]);
 	if (IS_ERR(nfs_callback_info.rqst)) {
@@ -149,8 +160,8 @@ out:
 	mutex_unlock(&nfs_callback_mutex);
 	return ret;
 out_err:
-	dprintk("Couldn't create callback socket or server thread; err = %d\n",
-		ret);
+	dprintk("NFS: Couldn't create callback socket or server thread; "
+		"err = %d\n", ret);
 	nfs_callback_info.users--;
 	goto out;
 }
-- 
GitLab


From 504e518953a330c8d44a95bdd65a5c9f50f1012e Mon Sep 17 00:00:00 2001
From: Neil Brown <neilb@suse.de>
Date: Thu, 16 Oct 2008 14:15:16 +1100
Subject: [PATCH 0992/2224] Make nfs_file_cred more robust.

As not all files have an associated open_context (e.g. device special
files), it is safest to test for the existence of the open context
before de-referencing it.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/nfs4proc.c      | 6 ++++--
 include/linux/nfs_fs.h | 8 ++++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index c910413eaec..83e700a2b0c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1659,8 +1659,10 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
 		struct nfs_open_context *ctx;
 
 		ctx = nfs_file_open_context(sattr->ia_file);
-		cred = ctx->cred;
-		state = ctx->state;
+		if (ctx) {
+			cred = ctx->cred;
+			state = ctx->state;
+		}
 	}
 
 	status = nfs4_do_setattr(inode, cred, fattr, sattr, state);
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index ac8d0233b05..4eaa8347a0d 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -367,8 +367,12 @@ static inline struct nfs_open_context *nfs_file_open_context(struct file *filp)
 
 static inline struct rpc_cred *nfs_file_cred(struct file *file)
 {
-	if (file != NULL)
-		return nfs_file_open_context(file)->cred;
+	if (file != NULL) {
+		struct nfs_open_context *ctx =
+			nfs_file_open_context(file);
+		if (ctx)
+			return ctx->cred;
+	}
 	return NULL;
 }
 
-- 
GitLab


From ec9a05c94c7cd00b4f0ab126c3d394f2fc2e4712 Mon Sep 17 00:00:00 2001
From: Andy Adamson <andros@netapp.com>
Date: Fri, 17 Oct 2008 10:44:37 -0400
Subject: [PATCH 0993/2224] NFS: use correct fs type for v4 submounts and
 referrals

Signed-off-by: Andy Adamson<andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/super.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 8b28b95c9e4..a3b0061dfd4 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2459,7 +2459,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
 		compare_super = NULL;
 
 	/* Get a superblock - note that we may end up sharing one that already exists */
-	s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata);
+	s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
 	if (IS_ERR(s)) {
 		error = PTR_ERR(s);
 		goto out_err_nosb;
@@ -2544,7 +2544,7 @@ static int nfs4_referral_get_sb(struct file_system_type *fs_type, int flags,
 		compare_super = NULL;
 
 	/* Get a superblock - note that we may end up sharing one that already exists */
-	s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata);
+	s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata);
 	if (IS_ERR(s)) {
 		error = PTR_ERR(s);
 		goto out_err_nosb;
-- 
GitLab


From 78c2ae4a0ebd1ab46160e163bf4ca1b7e9463301 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:06 +0900
Subject: [PATCH 0994/2224] ia64/pv_ops/xen: define the nubmer of irqs which
 xen needs.

define arch/ia64/include/asm/xen/irq.h to define the number of
irqs which xen needs.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/xen/irq.h | 44 +++++++++++++++++++++++++++++++++
 arch/ia64/kernel/nr-irqs.c      |  1 +
 2 files changed, 45 insertions(+)
 create mode 100644 arch/ia64/include/asm/xen/irq.h

diff --git a/arch/ia64/include/asm/xen/irq.h b/arch/ia64/include/asm/xen/irq.h
new file mode 100644
index 00000000000..a9045098300
--- /dev/null
+++ b/arch/ia64/include/asm/xen/irq.h
@@ -0,0 +1,44 @@
+/******************************************************************************
+ * arch/ia64/include/asm/xen/irq.h
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef _ASM_IA64_XEN_IRQ_H
+#define _ASM_IA64_XEN_IRQ_H
+
+/*
+ * The flat IRQ space is divided into two regions:
+ *  1. A one-to-one mapping of real physical IRQs. This space is only used
+ *     if we have physical device-access privilege. This region is at the
+ *     start of the IRQ space so that existing device drivers do not need
+ *     to be modified to translate physical IRQ numbers into our IRQ space.
+ *  3. A dynamic mapping of inter-domain and Xen-sourced virtual IRQs. These
+ *     are bound using the provided bind/unbind functions.
+ */
+
+#define XEN_PIRQ_BASE		0
+#define XEN_NR_PIRQS		256
+
+#define XEN_DYNIRQ_BASE		(XEN_PIRQ_BASE + XEN_NR_PIRQS)
+#define XEN_NR_DYNIRQS		(NR_CPUS * 8)
+
+#define XEN_NR_IRQS		(XEN_NR_PIRQS + XEN_NR_DYNIRQS)
+
+#endif /* _ASM_IA64_XEN_IRQ_H */
diff --git a/arch/ia64/kernel/nr-irqs.c b/arch/ia64/kernel/nr-irqs.c
index 8273afc32db..ee564575148 100644
--- a/arch/ia64/kernel/nr-irqs.c
+++ b/arch/ia64/kernel/nr-irqs.c
@@ -10,6 +10,7 @@
 #include <linux/kbuild.h>
 #include <linux/threads.h>
 #include <asm/native/irq.h>
+#include <asm/xen/irq.h>
 
 void foo(void)
 {
-- 
GitLab


From 7477de989faffd4be4adfa3d3e1bf35bdf2e0f75 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:07 +0900
Subject: [PATCH 0995/2224] ia64/pv_ops/xen: implement xen pv_irq_ops.

implement xen pv_irq_ops to paravirtualize irq handling
with xen event channel.

Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/xen/Makefile     |   2 +-
 arch/ia64/xen/irq_xen.c    | 435 +++++++++++++++++++++++++++++++++++++
 arch/ia64/xen/irq_xen.h    |  34 +++
 arch/ia64/xen/xen_pv_ops.c |   3 +
 4 files changed, 473 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/xen/irq_xen.c
 create mode 100644 arch/ia64/xen/irq_xen.h

diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index 9b77e8ae4f3..01c4289f0a4 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -2,7 +2,7 @@
 # Makefile for Xen components
 #
 
-obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o \
+obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o irq_xen.o \
 	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o
 
 AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN
diff --git a/arch/ia64/xen/irq_xen.c b/arch/ia64/xen/irq_xen.c
new file mode 100644
index 00000000000..af93aadb68b
--- /dev/null
+++ b/arch/ia64/xen/irq_xen.c
@@ -0,0 +1,435 @@
+/******************************************************************************
+ * arch/ia64/xen/irq_xen.c
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/cpu.h>
+
+#include <xen/interface/xen.h>
+#include <xen/interface/callback.h>
+#include <xen/events.h>
+
+#include <asm/xen/privop.h>
+
+#include "irq_xen.h"
+
+/***************************************************************************
+ * pv_irq_ops
+ * irq operations
+ */
+
+static int
+xen_assign_irq_vector(int irq)
+{
+	struct physdev_irq irq_op;
+
+	irq_op.irq = irq;
+	if (HYPERVISOR_physdev_op(PHYSDEVOP_alloc_irq_vector, &irq_op))
+		return -ENOSPC;
+
+	return irq_op.vector;
+}
+
+static void
+xen_free_irq_vector(int vector)
+{
+	struct physdev_irq irq_op;
+
+	if (vector < IA64_FIRST_DEVICE_VECTOR ||
+	    vector > IA64_LAST_DEVICE_VECTOR)
+		return;
+
+	irq_op.vector = vector;
+	if (HYPERVISOR_physdev_op(PHYSDEVOP_free_irq_vector, &irq_op))
+		printk(KERN_WARNING "%s: xen_free_irq_vecotr fail vector=%d\n",
+		       __func__, vector);
+}
+
+
+static DEFINE_PER_CPU(int, timer_irq) = -1;
+static DEFINE_PER_CPU(int, ipi_irq) = -1;
+static DEFINE_PER_CPU(int, resched_irq) = -1;
+static DEFINE_PER_CPU(int, cmc_irq) = -1;
+static DEFINE_PER_CPU(int, cmcp_irq) = -1;
+static DEFINE_PER_CPU(int, cpep_irq) = -1;
+#define NAME_SIZE	15
+static DEFINE_PER_CPU(char[NAME_SIZE], timer_name);
+static DEFINE_PER_CPU(char[NAME_SIZE], ipi_name);
+static DEFINE_PER_CPU(char[NAME_SIZE], resched_name);
+static DEFINE_PER_CPU(char[NAME_SIZE], cmc_name);
+static DEFINE_PER_CPU(char[NAME_SIZE], cmcp_name);
+static DEFINE_PER_CPU(char[NAME_SIZE], cpep_name);
+#undef NAME_SIZE
+
+struct saved_irq {
+	unsigned int irq;
+	struct irqaction *action;
+};
+/* 16 should be far optimistic value, since only several percpu irqs
+ * are registered early.
+ */
+#define MAX_LATE_IRQ	16
+static struct saved_irq saved_percpu_irqs[MAX_LATE_IRQ];
+static unsigned short late_irq_cnt;
+static unsigned short saved_irq_cnt;
+static int xen_slab_ready;
+
+#ifdef CONFIG_SMP
+/* Dummy stub. Though we may check XEN_RESCHEDULE_VECTOR before __do_IRQ,
+ * it ends up to issue several memory accesses upon percpu data and
+ * thus adds unnecessary traffic to other paths.
+ */
+static irqreturn_t
+xen_dummy_handler(int irq, void *dev_id)
+{
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction xen_ipi_irqaction = {
+	.handler =	handle_IPI,
+	.flags =	IRQF_DISABLED,
+	.name =		"IPI"
+};
+
+static struct irqaction xen_resched_irqaction = {
+	.handler =	xen_dummy_handler,
+	.flags =	IRQF_DISABLED,
+	.name =		"resched"
+};
+
+static struct irqaction xen_tlb_irqaction = {
+	.handler =	xen_dummy_handler,
+	.flags =	IRQF_DISABLED,
+	.name =		"tlb_flush"
+};
+#endif
+
+/*
+ * This is xen version percpu irq registration, which needs bind
+ * to xen specific evtchn sub-system. One trick here is that xen
+ * evtchn binding interface depends on kmalloc because related
+ * port needs to be freed at device/cpu down. So we cache the
+ * registration on BSP before slab is ready and then deal them
+ * at later point. For rest instances happening after slab ready,
+ * we hook them to xen evtchn immediately.
+ *
+ * FIXME: MCA is not supported by far, and thus "nomca" boot param is
+ * required.
+ */
+static void
+__xen_register_percpu_irq(unsigned int cpu, unsigned int vec,
+			struct irqaction *action, int save)
+{
+	irq_desc_t *desc;
+	int irq = 0;
+
+	if (xen_slab_ready) {
+		switch (vec) {
+		case IA64_TIMER_VECTOR:
+			snprintf(per_cpu(timer_name, cpu),
+				 sizeof(per_cpu(timer_name, cpu)),
+				 "%s%d", action->name, cpu);
+			irq = bind_virq_to_irqhandler(VIRQ_ITC, cpu,
+				action->handler, action->flags,
+				per_cpu(timer_name, cpu), action->dev_id);
+			per_cpu(timer_irq, cpu) = irq;
+			break;
+		case IA64_IPI_RESCHEDULE:
+			snprintf(per_cpu(resched_name, cpu),
+				 sizeof(per_cpu(resched_name, cpu)),
+				 "%s%d", action->name, cpu);
+			irq = bind_ipi_to_irqhandler(XEN_RESCHEDULE_VECTOR, cpu,
+				action->handler, action->flags,
+				per_cpu(resched_name, cpu), action->dev_id);
+			per_cpu(resched_irq, cpu) = irq;
+			break;
+		case IA64_IPI_VECTOR:
+			snprintf(per_cpu(ipi_name, cpu),
+				 sizeof(per_cpu(ipi_name, cpu)),
+				 "%s%d", action->name, cpu);
+			irq = bind_ipi_to_irqhandler(XEN_IPI_VECTOR, cpu,
+				action->handler, action->flags,
+				per_cpu(ipi_name, cpu), action->dev_id);
+			per_cpu(ipi_irq, cpu) = irq;
+			break;
+		case IA64_CMC_VECTOR:
+			snprintf(per_cpu(cmc_name, cpu),
+				 sizeof(per_cpu(cmc_name, cpu)),
+				 "%s%d", action->name, cpu);
+			irq = bind_virq_to_irqhandler(VIRQ_MCA_CMC, cpu,
+						      action->handler,
+						      action->flags,
+						      per_cpu(cmc_name, cpu),
+						      action->dev_id);
+			per_cpu(cmc_irq, cpu) = irq;
+			break;
+		case IA64_CMCP_VECTOR:
+			snprintf(per_cpu(cmcp_name, cpu),
+				 sizeof(per_cpu(cmcp_name, cpu)),
+				 "%s%d", action->name, cpu);
+			irq = bind_ipi_to_irqhandler(XEN_CMCP_VECTOR, cpu,
+						     action->handler,
+						     action->flags,
+						     per_cpu(cmcp_name, cpu),
+						     action->dev_id);
+			per_cpu(cmcp_irq, cpu) = irq;
+			break;
+		case IA64_CPEP_VECTOR:
+			snprintf(per_cpu(cpep_name, cpu),
+				 sizeof(per_cpu(cpep_name, cpu)),
+				 "%s%d", action->name, cpu);
+			irq = bind_ipi_to_irqhandler(XEN_CPEP_VECTOR, cpu,
+						     action->handler,
+						     action->flags,
+						     per_cpu(cpep_name, cpu),
+						     action->dev_id);
+			per_cpu(cpep_irq, cpu) = irq;
+			break;
+		case IA64_CPE_VECTOR:
+		case IA64_MCA_RENDEZ_VECTOR:
+		case IA64_PERFMON_VECTOR:
+		case IA64_MCA_WAKEUP_VECTOR:
+		case IA64_SPURIOUS_INT_VECTOR:
+			/* No need to complain, these aren't supported. */
+			break;
+		default:
+			printk(KERN_WARNING "Percpu irq %d is unsupported "
+			       "by xen!\n", vec);
+			break;
+		}
+		BUG_ON(irq < 0);
+
+		if (irq > 0) {
+			/*
+			 * Mark percpu.  Without this, migrate_irqs() will
+			 * mark the interrupt for migrations and trigger it
+			 * on cpu hotplug.
+			 */
+			desc = irq_desc + irq;
+			desc->status |= IRQ_PER_CPU;
+		}
+	}
+
+	/* For BSP, we cache registered percpu irqs, and then re-walk
+	 * them when initializing APs
+	 */
+	if (!cpu && save) {
+		BUG_ON(saved_irq_cnt == MAX_LATE_IRQ);
+		saved_percpu_irqs[saved_irq_cnt].irq = vec;
+		saved_percpu_irqs[saved_irq_cnt].action = action;
+		saved_irq_cnt++;
+		if (!xen_slab_ready)
+			late_irq_cnt++;
+	}
+}
+
+static void
+xen_register_percpu_irq(ia64_vector vec, struct irqaction *action)
+{
+	__xen_register_percpu_irq(smp_processor_id(), vec, action, 1);
+}
+
+static void
+xen_bind_early_percpu_irq(void)
+{
+	int i;
+
+	xen_slab_ready = 1;
+	/* There's no race when accessing this cached array, since only
+	 * BSP will face with such step shortly
+	 */
+	for (i = 0; i < late_irq_cnt; i++)
+		__xen_register_percpu_irq(smp_processor_id(),
+					  saved_percpu_irqs[i].irq,
+					  saved_percpu_irqs[i].action, 0);
+}
+
+/* FIXME: There's no obvious point to check whether slab is ready. So
+ * a hack is used here by utilizing a late time hook.
+ */
+
+#ifdef CONFIG_HOTPLUG_CPU
+static int __devinit
+unbind_evtchn_callback(struct notifier_block *nfb,
+		       unsigned long action, void *hcpu)
+{
+	unsigned int cpu = (unsigned long)hcpu;
+
+	if (action == CPU_DEAD) {
+		/* Unregister evtchn.  */
+		if (per_cpu(cpep_irq, cpu) >= 0) {
+			unbind_from_irqhandler(per_cpu(cpep_irq, cpu), NULL);
+			per_cpu(cpep_irq, cpu) = -1;
+		}
+		if (per_cpu(cmcp_irq, cpu) >= 0) {
+			unbind_from_irqhandler(per_cpu(cmcp_irq, cpu), NULL);
+			per_cpu(cmcp_irq, cpu) = -1;
+		}
+		if (per_cpu(cmc_irq, cpu) >= 0) {
+			unbind_from_irqhandler(per_cpu(cmc_irq, cpu), NULL);
+			per_cpu(cmc_irq, cpu) = -1;
+		}
+		if (per_cpu(ipi_irq, cpu) >= 0) {
+			unbind_from_irqhandler(per_cpu(ipi_irq, cpu), NULL);
+			per_cpu(ipi_irq, cpu) = -1;
+		}
+		if (per_cpu(resched_irq, cpu) >= 0) {
+			unbind_from_irqhandler(per_cpu(resched_irq, cpu),
+						NULL);
+			per_cpu(resched_irq, cpu) = -1;
+		}
+		if (per_cpu(timer_irq, cpu) >= 0) {
+			unbind_from_irqhandler(per_cpu(timer_irq, cpu), NULL);
+			per_cpu(timer_irq, cpu) = -1;
+		}
+	}
+	return NOTIFY_OK;
+}
+
+static struct notifier_block unbind_evtchn_notifier = {
+	.notifier_call = unbind_evtchn_callback,
+	.priority = 0
+};
+#endif
+
+void xen_smp_intr_init_early(unsigned int cpu)
+{
+#ifdef CONFIG_SMP
+	unsigned int i;
+
+	for (i = 0; i < saved_irq_cnt; i++)
+		__xen_register_percpu_irq(cpu, saved_percpu_irqs[i].irq,
+					  saved_percpu_irqs[i].action, 0);
+#endif
+}
+
+void xen_smp_intr_init(void)
+{
+#ifdef CONFIG_SMP
+	unsigned int cpu = smp_processor_id();
+	struct callback_register event = {
+		.type = CALLBACKTYPE_event,
+		.address = { .ip = (unsigned long)&xen_event_callback },
+	};
+
+	if (cpu == 0) {
+		/* Initialization was already done for boot cpu.  */
+#ifdef CONFIG_HOTPLUG_CPU
+		/* Register the notifier only once.  */
+		register_cpu_notifier(&unbind_evtchn_notifier);
+#endif
+		return;
+	}
+
+	/* This should be piggyback when setup vcpu guest context */
+	BUG_ON(HYPERVISOR_callback_op(CALLBACKOP_register, &event));
+#endif /* CONFIG_SMP */
+}
+
+void __init
+xen_irq_init(void)
+{
+	struct callback_register event = {
+		.type = CALLBACKTYPE_event,
+		.address = { .ip = (unsigned long)&xen_event_callback },
+	};
+
+	xen_init_IRQ();
+	BUG_ON(HYPERVISOR_callback_op(CALLBACKOP_register, &event));
+	late_time_init = xen_bind_early_percpu_irq;
+}
+
+void
+xen_platform_send_ipi(int cpu, int vector, int delivery_mode, int redirect)
+{
+#ifdef CONFIG_SMP
+	/* TODO: we need to call vcpu_up here */
+	if (unlikely(vector == ap_wakeup_vector)) {
+		/* XXX
+		 * This should be in __cpu_up(cpu) in ia64 smpboot.c
+		 * like x86. But don't want to modify it,
+		 * keep it untouched.
+		 */
+		xen_smp_intr_init_early(cpu);
+
+		xen_send_ipi(cpu, vector);
+		/* vcpu_prepare_and_up(cpu); */
+		return;
+	}
+#endif
+
+	switch (vector) {
+	case IA64_IPI_VECTOR:
+		xen_send_IPI_one(cpu, XEN_IPI_VECTOR);
+		break;
+	case IA64_IPI_RESCHEDULE:
+		xen_send_IPI_one(cpu, XEN_RESCHEDULE_VECTOR);
+		break;
+	case IA64_CMCP_VECTOR:
+		xen_send_IPI_one(cpu, XEN_CMCP_VECTOR);
+		break;
+	case IA64_CPEP_VECTOR:
+		xen_send_IPI_one(cpu, XEN_CPEP_VECTOR);
+		break;
+	case IA64_TIMER_VECTOR: {
+		/* this is used only once by check_sal_cache_flush()
+		   at boot time */
+		static int used = 0;
+		if (!used) {
+			xen_send_ipi(cpu, IA64_TIMER_VECTOR);
+			used = 1;
+			break;
+		}
+		/* fallthrough */
+	}
+	default:
+		printk(KERN_WARNING "Unsupported IPI type 0x%x\n",
+		       vector);
+		notify_remote_via_irq(0); /* defaults to 0 irq */
+		break;
+	}
+}
+
+static void __init
+xen_register_ipi(void)
+{
+#ifdef CONFIG_SMP
+	register_percpu_irq(IA64_IPI_VECTOR, &xen_ipi_irqaction);
+	register_percpu_irq(IA64_IPI_RESCHEDULE, &xen_resched_irqaction);
+	register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, &xen_tlb_irqaction);
+#endif
+}
+
+static void
+xen_resend_irq(unsigned int vector)
+{
+	(void)resend_irq_on_evtchn(vector);
+}
+
+const struct pv_irq_ops xen_irq_ops __initdata = {
+	.register_ipi = xen_register_ipi,
+
+	.assign_irq_vector = xen_assign_irq_vector,
+	.free_irq_vector = xen_free_irq_vector,
+	.register_percpu_irq = xen_register_percpu_irq,
+
+	.resend_irq = xen_resend_irq,
+};
diff --git a/arch/ia64/xen/irq_xen.h b/arch/ia64/xen/irq_xen.h
new file mode 100644
index 00000000000..26110f330c8
--- /dev/null
+++ b/arch/ia64/xen/irq_xen.h
@@ -0,0 +1,34 @@
+/******************************************************************************
+ * arch/ia64/xen/irq_xen.h
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef IRQ_XEN_H
+#define IRQ_XEN_H
+
+extern void (*late_time_init)(void);
+extern char xen_event_callback;
+void __init xen_init_IRQ(void);
+
+extern const struct pv_irq_ops xen_irq_ops __initdata;
+extern void xen_smp_intr_init(void);
+extern void xen_send_ipi(int cpu, int vec);
+
+#endif /* IRQ_XEN_H */
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index 41a6cbfab15..4fe4e621b7b 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -29,6 +29,8 @@
 #include <asm/xen/xencomm.h>
 #include <asm/xen/privop.h>
 
+#include "irq_xen.h"
+
 /***************************************************************************
  * general info
  */
@@ -354,6 +356,7 @@ xen_setup_pv_ops(void)
 	pv_init_ops = xen_init_ops;
 	pv_cpu_ops = xen_cpu_ops;
 	pv_iosapic_ops = xen_iosapic_ops;
+	pv_irq_ops = xen_irq_ops;
 
 	paravirt_cpu_asm_init(&xen_cpu_asm_switch);
 }
-- 
GitLab


From dcbbecdad53bd6273891ad018f9c6bb8f2b7813c Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:08 +0900
Subject: [PATCH 0996/2224] ia64/pv_ops/xen: implement xen pv_time_ops.

implement xen pv_time_ops to account steal time.

Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/xen/Makefile     |   2 +-
 arch/ia64/xen/time.c       | 180 +++++++++++++++++++++++++++++++++++++
 arch/ia64/xen/time.h       |  23 +++++
 arch/ia64/xen/xen_pv_ops.c |   2 +
 4 files changed, 206 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/xen/time.c
 create mode 100644 arch/ia64/xen/time.h

diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index 01c4289f0a4..ed31c76d2bf 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o irq_xen.o \
-	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o
+	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o time.o
 
 AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN
 
diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c
new file mode 100644
index 00000000000..ec168ec754b
--- /dev/null
+++ b/arch/ia64/xen/time.c
@@ -0,0 +1,180 @@
+/******************************************************************************
+ * arch/ia64/xen/time.c
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/kernel_stat.h>
+#include <linux/posix-timers.h>
+#include <linux/irq.h>
+#include <linux/clocksource.h>
+
+#include <asm/xen/hypervisor.h>
+
+#include <xen/interface/vcpu.h>
+
+#include "../kernel/fsyscall_gtod_data.h"
+
+DEFINE_PER_CPU(struct vcpu_runstate_info, runstate);
+DEFINE_PER_CPU(unsigned long, processed_stolen_time);
+DEFINE_PER_CPU(unsigned long, processed_blocked_time);
+
+/* taken from i386/kernel/time-xen.c */
+static void xen_init_missing_ticks_accounting(int cpu)
+{
+	struct vcpu_register_runstate_memory_area area;
+	struct vcpu_runstate_info *runstate = &per_cpu(runstate, cpu);
+	int rc;
+
+	memset(runstate, 0, sizeof(*runstate));
+
+	area.addr.v = runstate;
+	rc = HYPERVISOR_vcpu_op(VCPUOP_register_runstate_memory_area, cpu,
+				&area);
+	WARN_ON(rc && rc != -ENOSYS);
+
+	per_cpu(processed_blocked_time, cpu) = runstate->time[RUNSTATE_blocked];
+	per_cpu(processed_stolen_time, cpu) = runstate->time[RUNSTATE_runnable]
+					    + runstate->time[RUNSTATE_offline];
+}
+
+/*
+ * Runstate accounting
+ */
+/* stolen from arch/x86/xen/time.c */
+static void get_runstate_snapshot(struct vcpu_runstate_info *res)
+{
+	u64 state_time;
+	struct vcpu_runstate_info *state;
+
+	BUG_ON(preemptible());
+
+	state = &__get_cpu_var(runstate);
+
+	/*
+	 * The runstate info is always updated by the hypervisor on
+	 * the current CPU, so there's no need to use anything
+	 * stronger than a compiler barrier when fetching it.
+	 */
+	do {
+		state_time = state->state_entry_time;
+		rmb();
+		*res = *state;
+		rmb();
+	} while (state->state_entry_time != state_time);
+}
+
+#define NS_PER_TICK (1000000000LL/HZ)
+
+static unsigned long
+consider_steal_time(unsigned long new_itm)
+{
+	unsigned long stolen, blocked;
+	unsigned long delta_itm = 0, stolentick = 0;
+	int cpu = smp_processor_id();
+	struct vcpu_runstate_info runstate;
+	struct task_struct *p = current;
+
+	get_runstate_snapshot(&runstate);
+
+	/*
+	 * Check for vcpu migration effect
+	 * In this case, itc value is reversed.
+	 * This causes huge stolen value.
+	 * This function just checks and reject this effect.
+	 */
+	if (!time_after_eq(runstate.time[RUNSTATE_blocked],
+			   per_cpu(processed_blocked_time, cpu)))
+		blocked = 0;
+
+	if (!time_after_eq(runstate.time[RUNSTATE_runnable] +
+			   runstate.time[RUNSTATE_offline],
+			   per_cpu(processed_stolen_time, cpu)))
+		stolen = 0;
+
+	if (!time_after(delta_itm + new_itm, ia64_get_itc()))
+		stolentick = ia64_get_itc() - new_itm;
+
+	do_div(stolentick, NS_PER_TICK);
+	stolentick++;
+
+	do_div(stolen, NS_PER_TICK);
+
+	if (stolen > stolentick)
+		stolen = stolentick;
+
+	stolentick -= stolen;
+	do_div(blocked, NS_PER_TICK);
+
+	if (blocked > stolentick)
+		blocked = stolentick;
+
+	if (stolen > 0 || blocked > 0) {
+		account_steal_time(NULL, jiffies_to_cputime(stolen));
+		account_steal_time(idle_task(cpu), jiffies_to_cputime(blocked));
+		run_local_timers();
+
+		if (rcu_pending(cpu))
+			rcu_check_callbacks(cpu, user_mode(get_irq_regs()));
+
+		scheduler_tick();
+		run_posix_cpu_timers(p);
+		delta_itm += local_cpu_data->itm_delta * (stolen + blocked);
+
+		if (cpu == time_keeper_id) {
+			write_seqlock(&xtime_lock);
+			do_timer(stolen + blocked);
+			local_cpu_data->itm_next = delta_itm + new_itm;
+			write_sequnlock(&xtime_lock);
+		} else {
+			local_cpu_data->itm_next = delta_itm + new_itm;
+		}
+		per_cpu(processed_stolen_time, cpu) += NS_PER_TICK * stolen;
+		per_cpu(processed_blocked_time, cpu) += NS_PER_TICK * blocked;
+	}
+	return delta_itm;
+}
+
+static int xen_do_steal_accounting(unsigned long *new_itm)
+{
+	unsigned long delta_itm;
+	delta_itm = consider_steal_time(*new_itm);
+	*new_itm += delta_itm;
+	if (time_after(*new_itm, ia64_get_itc()) && delta_itm)
+		return 1;
+
+	return 0;
+}
+
+static void xen_itc_jitter_data_reset(void)
+{
+	u64 lcycle, ret;
+
+	do {
+		lcycle = itc_jitter_data.itc_lastcycle;
+		ret = cmpxchg(&itc_jitter_data.itc_lastcycle, lcycle, 0);
+	} while (unlikely(ret != lcycle));
+}
+
+struct pv_time_ops xen_time_ops __initdata = {
+	.init_missing_ticks_accounting	= xen_init_missing_ticks_accounting,
+	.do_steal_accounting		= xen_do_steal_accounting,
+	.clocksource_resume		= xen_itc_jitter_data_reset,
+};
diff --git a/arch/ia64/xen/time.h b/arch/ia64/xen/time.h
new file mode 100644
index 00000000000..b9c7ec5f9cf
--- /dev/null
+++ b/arch/ia64/xen/time.h
@@ -0,0 +1,23 @@
+/******************************************************************************
+ * arch/ia64/xen/time.h
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+extern struct pv_time_ops xen_time_ops __initdata;
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index 4fe4e621b7b..04cd1235045 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -30,6 +30,7 @@
 #include <asm/xen/privop.h>
 
 #include "irq_xen.h"
+#include "time.h"
 
 /***************************************************************************
  * general info
@@ -357,6 +358,7 @@ xen_setup_pv_ops(void)
 	pv_cpu_ops = xen_cpu_ops;
 	pv_iosapic_ops = xen_iosapic_ops;
 	pv_irq_ops = xen_irq_ops;
+	pv_time_ops = xen_time_ops;
 
 	paravirt_cpu_asm_init(&xen_cpu_asm_switch);
 }
-- 
GitLab


From a0df655ccd0669bd3efc85346dc816833dd1197f Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:09 +0900
Subject: [PATCH 0997/2224] ia64/xen: define xen machine vector for domU.

define xen machine vector for domU.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/Makefile                  |  2 ++
 arch/ia64/include/asm/machvec.h     |  2 ++
 arch/ia64/include/asm/machvec_xen.h | 22 ++++++++++++++++++++++
 arch/ia64/kernel/acpi.c             |  5 +++++
 arch/ia64/xen/Makefile              |  2 ++
 arch/ia64/xen/machvec.c             |  4 ++++
 6 files changed, 37 insertions(+)
 create mode 100644 arch/ia64/include/asm/machvec_xen.h
 create mode 100644 arch/ia64/xen/machvec.c

diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 905d25b13d5..40242501bcd 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -56,9 +56,11 @@ core-$(CONFIG_IA64_DIG) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_GENERIC) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
+core-$(CONFIG_IA64_XEN_GUEST)	+= arch/ia64/dig/
 core-$(CONFIG_IA64_SGI_SN2)	+= arch/ia64/sn/
 core-$(CONFIG_IA64_SGI_UV)	+= arch/ia64/uv/
 core-$(CONFIG_KVM) 		+= arch/ia64/kvm/
+core-$(CONFIG_XEN)		+= arch/ia64/xen/
 
 drivers-$(CONFIG_PCI)		+= arch/ia64/pci/
 drivers-$(CONFIG_IA64_HP_SIM)	+= arch/ia64/hp/sim/
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 2b850ccafef..de99cb2799c 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -128,6 +128,8 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
 #  include <asm/machvec_sn2.h>
 # elif defined (CONFIG_IA64_SGI_UV)
 #  include <asm/machvec_uv.h>
+# elif defined (CONFIG_IA64_XEN_GUEST)
+#  include <asm/machvec_xen.h>
 # elif defined (CONFIG_IA64_GENERIC)
 
 # ifdef MACHVEC_PLATFORM_HEADER
diff --git a/arch/ia64/include/asm/machvec_xen.h b/arch/ia64/include/asm/machvec_xen.h
new file mode 100644
index 00000000000..55f9228056c
--- /dev/null
+++ b/arch/ia64/include/asm/machvec_xen.h
@@ -0,0 +1,22 @@
+#ifndef _ASM_IA64_MACHVEC_XEN_h
+#define _ASM_IA64_MACHVEC_XEN_h
+
+extern ia64_mv_setup_t			dig_setup;
+extern ia64_mv_cpu_init_t		xen_cpu_init;
+extern ia64_mv_irq_init_t		xen_irq_init;
+extern ia64_mv_send_ipi_t		xen_platform_send_ipi;
+
+/*
+ * This stuff has dual use!
+ *
+ * For a generic kernel, the macros are used to initialize the
+ * platform's machvec structure.  When compiling a non-generic kernel,
+ * the macros are used directly.
+ */
+#define platform_name				"xen"
+#define platform_setup				dig_setup
+#define platform_cpu_init			xen_cpu_init
+#define platform_irq_init			xen_irq_init
+#define platform_send_ipi			xen_platform_send_ipi
+
+#endif /* _ASM_IA64_MACHVEC_XEN_h */
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 5d1eb7ee2bf..00936491933 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -52,6 +52,7 @@
 #include <asm/numa.h>
 #include <asm/sal.h>
 #include <asm/cyclone.h>
+#include <asm/xen/hypervisor.h>
 
 #define BAD_MADT_ENTRY(entry, end) (                                        \
 		(!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
@@ -121,6 +122,8 @@ acpi_get_sysname(void)
 			return "uv";
 		else
 			return "sn2";
+	} else if (xen_pv_domain() && !strcmp(hdr->oem_id, "XEN")) {
+		return "xen";
 	}
 
 	return "dig";
@@ -137,6 +140,8 @@ acpi_get_sysname(void)
 	return "uv";
 # elif defined (CONFIG_IA64_DIG)
 	return "dig";
+# elif defined (CONFIG_IA64_XEN_GUEST)
+	return "xen";
 # else
 #	error Unknown platform.  Fix acpi.c.
 # endif
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index ed31c76d2bf..972d085567d 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -5,6 +5,8 @@
 obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o irq_xen.o \
 	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o time.o
 
+obj-$(CONFIG_IA64_GENERIC) += machvec.o
+
 AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN
 
 # xen multi compile
diff --git a/arch/ia64/xen/machvec.c b/arch/ia64/xen/machvec.c
new file mode 100644
index 00000000000..4ad588a7c27
--- /dev/null
+++ b/arch/ia64/xen/machvec.c
@@ -0,0 +1,4 @@
+#define MACHVEC_PLATFORM_NAME           xen
+#define MACHVEC_PLATFORM_HEADER         <asm/machvec_xen.h>
+#include <asm/machvec_init.h>
+
-- 
GitLab


From 91834e685d2059b69c4e8e3d707f35d94438de94 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:10 +0900
Subject: [PATCH 0998/2224] ia64/xen: preliminary support for save/restore.

preliminary support for save/restore.
Although Save/restore isn't fully working yet, this patch is necessary
to compile.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/xen/Makefile  |  2 +-
 arch/ia64/xen/suspend.c | 64 +++++++++++++++++++++++++++++++++++++++++
 arch/ia64/xen/time.c    | 33 +++++++++++++++++++++
 arch/ia64/xen/time.h    |  1 +
 4 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/xen/suspend.c

diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile
index 972d085567d..0ad0224693d 100644
--- a/arch/ia64/xen/Makefile
+++ b/arch/ia64/xen/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o irq_xen.o \
-	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o time.o
+	 hypervisor.o xencomm.o xcom_hcall.o grant-table.o time.o suspend.o
 
 obj-$(CONFIG_IA64_GENERIC) += machvec.o
 
diff --git a/arch/ia64/xen/suspend.c b/arch/ia64/xen/suspend.c
new file mode 100644
index 00000000000..fd66b048c6f
--- /dev/null
+++ b/arch/ia64/xen/suspend.c
@@ -0,0 +1,64 @@
+/******************************************************************************
+ * arch/ia64/xen/suspend.c
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * suspend/resume
+ */
+
+#include <xen/xen-ops.h>
+#include <asm/xen/hypervisor.h>
+#include "time.h"
+
+void
+xen_mm_pin_all(void)
+{
+	/* nothing */
+}
+
+void
+xen_mm_unpin_all(void)
+{
+	/* nothing */
+}
+
+void xen_pre_device_suspend(void)
+{
+	/* nothing */
+}
+
+void
+xen_pre_suspend()
+{
+	/* nothing */
+}
+
+void
+xen_post_suspend(int suspend_cancelled)
+{
+	if (suspend_cancelled)
+		return;
+
+	xen_ia64_enable_opt_feature();
+	/* add more if necessary */
+}
+
+void xen_arch_resume(void)
+{
+	xen_timer_resume_on_aps();
+}
diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c
index ec168ec754b..d15a94c330f 100644
--- a/arch/ia64/xen/time.c
+++ b/arch/ia64/xen/time.c
@@ -26,6 +26,8 @@
 #include <linux/irq.h>
 #include <linux/clocksource.h>
 
+#include <asm/timex.h>
+
 #include <asm/xen/hypervisor.h>
 
 #include <xen/interface/vcpu.h>
@@ -178,3 +180,34 @@ struct pv_time_ops xen_time_ops __initdata = {
 	.do_steal_accounting		= xen_do_steal_accounting,
 	.clocksource_resume		= xen_itc_jitter_data_reset,
 };
+
+/* Called after suspend, to resume time.  */
+static void xen_local_tick_resume(void)
+{
+	/* Just trigger a tick.  */
+	ia64_cpu_local_tick();
+	touch_softlockup_watchdog();
+}
+
+void
+xen_timer_resume(void)
+{
+	unsigned int cpu;
+
+	xen_local_tick_resume();
+
+	for_each_online_cpu(cpu)
+		xen_init_missing_ticks_accounting(cpu);
+}
+
+static void ia64_cpu_local_tick_fn(void *unused)
+{
+	xen_local_tick_resume();
+	xen_init_missing_ticks_accounting(smp_processor_id());
+}
+
+void
+xen_timer_resume_on_aps(void)
+{
+	smp_call_function(&ia64_cpu_local_tick_fn, NULL, 1);
+}
diff --git a/arch/ia64/xen/time.h b/arch/ia64/xen/time.h
index b9c7ec5f9cf..f98d7e1a42f 100644
--- a/arch/ia64/xen/time.h
+++ b/arch/ia64/xen/time.h
@@ -21,3 +21,4 @@
  */
 
 extern struct pv_time_ops xen_time_ops __initdata;
+void xen_timer_resume_on_aps(void);
-- 
GitLab


From ba9cc328bfeec3ec5fad3356dd53bc0c1ff506b0 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:11 +0900
Subject: [PATCH 0999/2224] ia64/pv_ops: update Kconfig for paravirtualized
 guest and xen.

introduce CONFIG_PARAVIRT_GUEST, CONFIG_PARAVIRT for
paravirtualized guest.
introduce CONFIG_XEN, CONFIG_IA64_XEN_GUEST for xen.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/Kconfig     | 32 ++++++++++++++++++++++++++++++++
 arch/ia64/xen/Kconfig | 26 ++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 arch/ia64/xen/Kconfig

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 3b7aa38254a..9318dee2253 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -108,6 +108,33 @@ config AUDIT_ARCH
 	bool
 	default y
 
+menuconfig PARAVIRT_GUEST
+	bool "Paravirtualized guest support"
+	help
+	  Say Y here to get to see options related to running Linux under
+	  various hypervisors.  This option alone does not add any kernel code.
+
+	  If you say N, all options in this submenu will be skipped and disabled.
+
+if PARAVIRT_GUEST
+
+config PARAVIRT
+	bool "Enable paravirtualization code"
+	depends on PARAVIRT_GUEST
+	default y
+	bool
+	default y
+	help
+	  This changes the kernel so it can modify itself when it is run
+	  under a hypervisor, potentially improving performance significantly
+	  over full virtualization.  However, when run without a hypervisor
+	  the kernel is theoretically slower and slightly larger.
+
+
+source "arch/ia64/xen/Kconfig"
+
+endif
+
 choice
 	prompt "System type"
 	default IA64_GENERIC
@@ -129,6 +156,7 @@ config IA64_GENERIC
 	  SGI-SN2		For SGI Altix systems
 	  SGI-UV		For SGI UV systems
 	  Ski-simulator		For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
+	  Xen-domU		For xen domU system
 
 	  If you don't know what to do, choose "generic".
 
@@ -179,6 +207,10 @@ config IA64_HP_SIM
 	bool "Ski-simulator"
 	select SWIOTLB
 
+config IA64_XEN_GUEST
+	bool "Xen guest"
+	depends on XEN
+
 endchoice
 
 choice
diff --git a/arch/ia64/xen/Kconfig b/arch/ia64/xen/Kconfig
new file mode 100644
index 00000000000..f1683a20275
--- /dev/null
+++ b/arch/ia64/xen/Kconfig
@@ -0,0 +1,26 @@
+#
+# This Kconfig describes xen/ia64 options
+#
+
+config XEN
+	bool "Xen hypervisor support"
+	default y
+	depends on PARAVIRT && MCKINLEY && IA64_PAGE_SIZE_16KB && EXPERIMENTAL
+	select XEN_XENCOMM
+	select NO_IDLE_HZ
+
+	# those are required to save/restore.
+	select ARCH_SUSPEND_POSSIBLE
+	select SUSPEND
+	select PM_SLEEP
+	help
+	  Enable Xen hypervisor support.  Resulting kernel runs
+	  both as a guest OS on Xen and natively on hardware.
+
+config XEN_XENCOMM
+	depends on XEN
+	bool
+
+config NO_IDLE_HZ
+	depends on XEN
+	bool
-- 
GitLab


From 98c99d7c27973538081a809c114b8d5c6195ecfa Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Wed, 28 May 2008 17:13:53 +0900
Subject: [PATCH 1000/2224] ia64/xen: a recipe for using xen/ia64 with pv_ops.

Recipe for using xen/ia64 with pv_ops domU.

Signed-off-by: Akio Takebe <takebe_akio@jp.fujitsu.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 Documentation/ia64/xen.txt | 183 +++++++++++++++++++++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100644 Documentation/ia64/xen.txt

diff --git a/Documentation/ia64/xen.txt b/Documentation/ia64/xen.txt
new file mode 100644
index 00000000000..c61a99f7c8b
--- /dev/null
+++ b/Documentation/ia64/xen.txt
@@ -0,0 +1,183 @@
+       Recipe for getting/building/running Xen/ia64 with pv_ops
+       --------------------------------------------------------
+
+This recipe describes how to get xen-ia64 source and build it,
+and run domU with pv_ops.
+
+============
+Requirements
+============
+
+  - python
+  - mercurial
+    it (aka "hg") is an open-source source code
+    management software. See the below.
+    http://www.selenic.com/mercurial/wiki/
+  - git
+  - bridge-utils
+
+=================================
+Getting and Building Xen and Dom0
+=================================
+
+  My environment is;
+    Machine  : Tiger4
+    Domain0 OS  : RHEL5
+    DomainU OS  : RHEL5
+
+ 1. Download source
+    # hg clone http://xenbits.xensource.com/ext/ia64/xen-unstable.hg
+    # cd xen-unstable.hg
+    # hg clone http://xenbits.xensource.com/ext/ia64/linux-2.6.18-xen.hg
+
+ 2. # make world
+
+ 3. # make install-tools
+
+ 4. copy kernels and xen
+    # cp xen/xen.gz /boot/efi/efi/redhat/
+    # cp build-linux-2.6.18-xen_ia64/vmlinux.gz \
+      /boot/efi/efi/redhat/vmlinuz-2.6.18.8-xen
+
+ 5. make initrd for Dom0/DomU
+    # make -C linux-2.6.18-xen.hg ARCH=ia64 modules_install \
+      O=$(/bin/pwd)/build-linux-2.6.18-xen_ia64
+    # mkinitrd -f /boot/efi/efi/redhat/initrd-2.6.18.8-xen.img \
+      2.6.18.8-xen --builtin mptspi --builtin mptbase \
+      --builtin mptscsih --builtin uhci-hcd --builtin ohci-hcd \
+      --builtin ehci-hcd
+
+================================
+Making a disk image for guest OS
+================================
+
+ 1. make file
+    # dd if=/dev/zero of=/root/rhel5.img bs=1M seek=4096 count=0
+    # mke2fs -F -j /root/rhel5.img
+    # mount -o loop /root/rhel5.img /mnt
+    # cp -ax /{dev,var,etc,usr,bin,sbin,lib} /mnt
+    # mkdir /mnt/{root,proc,sys,home,tmp}
+
+    Note: You may miss some device files. If so, please create them
+    with mknod. Or you can use tar instead of cp.
+
+ 2. modify DomU's fstab
+    # vi /mnt/etc/fstab
+       /dev/xvda1  /            ext3    defaults        1 1
+       none        /dev/pts     devpts  gid=5,mode=620  0 0
+       none        /dev/shm     tmpfs   defaults        0 0
+       none        /proc        proc    defaults        0 0
+       none        /sys         sysfs   defaults        0 0
+
+ 3. modify inittab
+    set runlevel to 3 to avoid X trying to start
+    # vi /mnt/etc/inittab
+       id:3:initdefault:
+    Start a getty on the hvc0 console
+       X0:2345:respawn:/sbin/mingetty hvc0
+    tty1-6 mingetty can be commented out
+
+ 4. add hvc0 into /etc/securetty
+    # vi /mnt/etc/securetty (add hvc0)
+
+ 5. umount
+    # umount /mnt
+
+FYI, virt-manager can also make a disk image for guest OS.
+It's GUI tools and easy to make it.
+
+==================
+Boot Xen & Domain0
+==================
+
+ 1. replace elilo
+    elilo of RHEL5 can boot Xen and Dom0.
+    If you use old elilo (e.g RHEL4), please download from the below
+    http://elilo.sourceforge.net/cgi-bin/blosxom
+    and copy into /boot/efi/efi/redhat/
+    # cp elilo-3.6-ia64.efi /boot/efi/efi/redhat/elilo.efi
+
+ 2. modify elilo.conf (like the below)
+    # vi /boot/efi/efi/redhat/elilo.conf
+     prompt
+     timeout=20
+     default=xen
+     relocatable
+
+     image=vmlinuz-2.6.18.8-xen
+             label=xen
+             vmm=xen.gz
+             initrd=initrd-2.6.18.8-xen.img
+             read-only
+             append=" -- rhgb root=/dev/sda2"
+
+The append options before "--" are for xen hypervisor,
+the options after "--" are for dom0.
+
+FYI, your machine may need console options like
+"com1=19200,8n1 console=vga,com1". For example,
+append="com1=19200,8n1 console=vga,com1 -- rhgb console=tty0 \
+console=ttyS0 root=/dev/sda2"
+
+=====================================
+Getting and Building domU with pv_ops
+=====================================
+
+ 1. get pv_ops tree
+    # git clone http://people.valinux.co.jp/~yamahata/xen-ia64/linux-2.6-xen-ia64.git/
+
+ 2. git branch (if necessary)
+    # cd linux-2.6-xen-ia64/
+    # git checkout -b your_branch origin/xen-ia64-domu-minimal-2008may19
+    (Note: The current branch is xen-ia64-domu-minimal-2008may19.
+    But you would find the new branch. You can see with
+    "git branch -r" to get the branch lists.
+    http://people.valinux.co.jp/~yamahata/xen-ia64/for_eagl/linux-2.6-ia64-pv-ops.git/
+    is also available. The tree is based on
+    git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 test)
+
+
+ 3. copy .config for pv_ops of domU
+    # cp arch/ia64/configs/xen_domu_wip_defconfig .config
+
+ 4. make kernel with pv_ops
+    # make oldconfig
+    # make
+
+ 5. install the kernel and initrd
+    # cp vmlinux.gz /boot/efi/efi/redhat/vmlinuz-2.6-pv_ops-xenU
+    # make modules_install
+    # mkinitrd -f /boot/efi/efi/redhat/initrd-2.6-pv_ops-xenU.img \
+      2.6.26-rc3xen-ia64-08941-g1b12161 --builtin mptspi \
+      --builtin mptbase --builtin mptscsih --builtin uhci-hcd \
+      --builtin ohci-hcd --builtin ehci-hcd
+
+========================
+Boot DomainU with pv_ops
+========================
+
+ 1. make config of DomU
+   # vi /etc/xen/rhel5
+     kernel = "/boot/efi/efi/redhat/vmlinuz-2.6-pv_ops-xenU"
+     ramdisk = "/boot/efi/efi/redhat/initrd-2.6-pv_ops-xenU.img"
+     vcpus = 1
+     memory = 512
+     name = "rhel5"
+     disk = [ 'file:/root/rhel5.img,xvda1,w' ]
+     root = "/dev/xvda1 ro"
+     extra= "rhgb console=hvc0"
+
+ 2. After boot xen and dom0, start xend
+   # /etc/init.d/xend start
+   ( In the debugging case, # XEND_DEBUG=1 xend trace_start )
+
+ 3. start domU
+   # xm create -c rhel5
+
+=========
+Reference
+=========
+- Wiki of Xen/IA64 upstream merge
+  http://wiki.xensource.com/xenwiki/XenIA64/UpstreamMerge
+
+Written by Akio Takebe <takebe_akio@jp.fujitsu.com> on 28 May 2008
-- 
GitLab


From f8d1f99f3958c46cdc983743d75d0b31b9accb80 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Fri, 17 Oct 2008 11:18:13 +0900
Subject: [PATCH 1001/2224] ia64/pv_ops: paravirtualized instruction checker.

This patch implements a checker to detect instructions which
should be paravirtualized instead of direct writing raw instruction.
This patch does rough check so that it doesn't fully cover all cases,
but it can detects most cases of paravirtualization breakage of hand
written assembly codes.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/native/pvchk_inst.h | 263 ++++++++++++++++++++++
 arch/ia64/kernel/Makefile                 |  18 ++
 arch/ia64/kernel/paravirt_inst.h          |   4 +-
 arch/ia64/scripts/pvcheck.sed             |  32 +++
 4 files changed, 316 insertions(+), 1 deletion(-)
 create mode 100644 arch/ia64/include/asm/native/pvchk_inst.h
 create mode 100644 arch/ia64/scripts/pvcheck.sed

diff --git a/arch/ia64/include/asm/native/pvchk_inst.h b/arch/ia64/include/asm/native/pvchk_inst.h
new file mode 100644
index 00000000000..b8e6eb1090d
--- /dev/null
+++ b/arch/ia64/include/asm/native/pvchk_inst.h
@@ -0,0 +1,263 @@
+#ifndef _ASM_NATIVE_PVCHK_INST_H
+#define _ASM_NATIVE_PVCHK_INST_H
+
+/******************************************************************************
+ * arch/ia64/include/asm/native/pvchk_inst.h
+ * Checker for paravirtualizations of privileged operations.
+ *
+ * Copyright (C) 2005 Hewlett-Packard Co
+ *      Dan Magenheimer <dan.magenheimer@hp.com>
+ *
+ * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
+ *                    VA Linux Systems Japan K.K.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+/**********************************************
+ * Instructions paravirtualized for correctness
+ **********************************************/
+
+/* "fc" and "thash" are privilege-sensitive instructions, meaning they
+ *  may have different semantics depending on whether they are executed
+ *  at PL0 vs PL!=0.  When paravirtualized, these instructions mustn't
+ *  be allowed to execute directly, lest incorrect semantics result.
+ */
+
+#define fc	.error "fc should not be used directly."
+#define thash	.error "thash should not be used directly."
+
+/* Note that "ttag" and "cover" are also privilege-sensitive; "ttag"
+ * is not currently used (though it may be in a long-format VHPT system!)
+ * and the semantics of cover only change if psr.ic is off which is very
+ * rare (and currently non-existent outside of assembly code
+ */
+#define ttag	.error "ttag should not be used directly."
+#define cover	.error "cover should not be used directly."
+
+/* There are also privilege-sensitive registers.  These registers are
+ * readable at any privilege level but only writable at PL0.
+ */
+#define cpuid	.error "cpuid should not be used directly."
+#define pmd	.error "pmd should not be used directly."
+
+/*
+ * mov ar.eflag =
+ * mov = ar.eflag
+ */
+
+/**********************************************
+ * Instructions paravirtualized for performance
+ **********************************************/
+/*
+ * Those instructions include '.' which can't be handled by cpp.
+ * or can't be handled by cpp easily.
+ * They are handled by sed instead of cpp.
+ */
+
+/* for .S
+ * itc.i
+ * itc.d
+ *
+ * bsw.0
+ * bsw.1
+ *
+ * ssm psr.ic | PSR_DEFAULT_BITS
+ * ssm psr.ic
+ * rsm psr.ic
+ * ssm psr.i
+ * rsm psr.i
+ * rsm psr.i | psr.ic
+ * rsm psr.dt
+ * ssm psr.dt
+ *
+ * mov = cr.ifa
+ * mov = cr.itir
+ * mov = cr.isr
+ * mov = cr.iha
+ * mov = cr.ipsr
+ * mov = cr.iim
+ * mov = cr.iip
+ * mov = cr.ivr
+ * mov = psr
+ *
+ * mov cr.ifa =
+ * mov cr.itir =
+ * mov cr.iha =
+ * mov cr.ipsr =
+ * mov cr.ifs =
+ * mov cr.iip =
+ * mov cr.kr =
+ */
+
+/* for intrinsics
+ * ssm psr.i
+ * rsm psr.i
+ * mov = psr
+ * mov = ivr
+ * mov = tpr
+ * mov cr.itm =
+ * mov eoi =
+ * mov rr[] =
+ * mov = rr[]
+ * mov = kr
+ * mov kr =
+ * ptc.ga
+ */
+
+/*************************************************************
+ * define paravirtualized instrcution macros as nop to ingore.
+ * and check whether arguments are appropriate.
+ *************************************************************/
+
+/* check whether reg is a regular register */
+.macro is_rreg_in reg
+	.ifc "\reg", "r0"
+		nop 0
+		.exitm
+	.endif
+	;;
+	mov \reg = r0
+	;;
+.endm
+#define IS_RREG_IN(reg)	is_rreg_in reg ;
+
+#define IS_RREG_OUT(reg)			\
+	;;					\
+	mov reg = r0				\
+	;;
+
+#define IS_RREG_CLOB(reg)	IS_RREG_OUT(reg)
+
+/* check whether pred is a predicate register */
+#define IS_PRED_IN(pred)			\
+	;;					\
+	(pred)	nop 0				\
+	;;
+
+#define IS_PRED_OUT(pred)			\
+	;;					\
+	cmp.eq pred, p0 = r0, r0		\
+	;;
+
+#define IS_PRED_CLOB(pred)	IS_PRED_OUT(pred)
+
+
+#define DO_SAVE_MIN(__COVER, SAVE_IFS, EXTRA, WORKAROUND)	\
+	nop 0
+#define MOV_FROM_IFA(reg)			\
+	IS_RREG_OUT(reg)
+#define MOV_FROM_ITIR(reg)			\
+	IS_RREG_OUT(reg)
+#define MOV_FROM_ISR(reg)			\
+	IS_RREG_OUT(reg)
+#define MOV_FROM_IHA(reg)			\
+	IS_RREG_OUT(reg)
+#define MOV_FROM_IPSR(pred, reg)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_OUT(reg)
+#define MOV_FROM_IIM(reg)			\
+	IS_RREG_OUT(reg)
+#define MOV_FROM_IIP(reg)			\
+	IS_RREG_OUT(reg)
+#define MOV_FROM_IVR(reg, clob)			\
+	IS_RREG_OUT(reg)			\
+	IS_RREG_CLOB(clob)
+#define MOV_FROM_PSR(pred, reg, clob)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_OUT(reg)			\
+	IS_RREG_CLOB(clob)
+#define MOV_TO_IFA(reg, clob)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define MOV_TO_ITIR(pred, reg, clob)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define MOV_TO_IHA(pred, reg, clob)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define MOV_TO_IPSR(pred, reg, clob)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define MOV_TO_IFS(pred, reg, clob)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define MOV_TO_IIP(reg, clob)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define MOV_TO_KR(kr, reg, clob0, clob1)	\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob0)			\
+	IS_RREG_CLOB(clob1)
+#define ITC_I(pred, reg, clob)			\
+	IS_PRED_IN(pred)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define ITC_D(pred, reg, clob)			\
+	IS_PRED_IN(pred)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define ITC_I_AND_D(pred_i, pred_d, reg, clob)	\
+	IS_PRED_IN(pred_i)			\
+	IS_PRED_IN(pred_d)			\
+	IS_RREG_IN(reg)				\
+	IS_RREG_CLOB(clob)
+#define THASH(pred, reg0, reg1, clob)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_OUT(reg0)			\
+	IS_RREG_IN(reg1)			\
+	IS_RREG_CLOB(clob)
+#define SSM_PSR_IC_AND_DEFAULT_BITS_AND_SRLZ_I(clob0, clob1)	\
+	IS_RREG_CLOB(clob0)					\
+	IS_RREG_CLOB(clob1)
+#define SSM_PSR_IC_AND_SRLZ_D(clob0, clob1)	\
+	IS_RREG_CLOB(clob0)			\
+	IS_RREG_CLOB(clob1)
+#define RSM_PSR_IC(clob)			\
+	IS_RREG_CLOB(clob)
+#define SSM_PSR_I(pred, pred_clob, clob)	\
+	IS_PRED_IN(pred)			\
+	IS_PRED_CLOB(pred_clob)			\
+	IS_RREG_CLOB(clob)
+#define RSM_PSR_I(pred, clob0, clob1)		\
+	IS_PRED_IN(pred)			\
+	IS_RREG_CLOB(clob0)			\
+	IS_RREG_CLOB(clob1)
+#define RSM_PSR_I_IC(clob0, clob1, clob2)	\
+	IS_RREG_CLOB(clob0)			\
+	IS_RREG_CLOB(clob1)			\
+	IS_RREG_CLOB(clob2)
+#define RSM_PSR_DT				\
+	nop 0
+#define SSM_PSR_DT_AND_SRLZ_I			\
+	nop 0
+#define BSW_0(clob0, clob1, clob2)		\
+	IS_RREG_CLOB(clob0)			\
+	IS_RREG_CLOB(clob1)			\
+	IS_RREG_CLOB(clob2)
+#define BSW_1(clob0, clob1)			\
+	IS_RREG_CLOB(clob0)			\
+	IS_RREG_CLOB(clob1)
+#define COVER					\
+	nop 0
+#define RFI					\
+	br.ret.sptk.many rp /* defining nop causes dependency error */
+
+#endif /* _ASM_NATIVE_PVCHK_INST_H */
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 87fea11aecb..55e6ca8eebd 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -112,5 +112,23 @@ clean-files += $(objtree)/include/asm-ia64/nr-irqs.h
 ASM_PARAVIRT_OBJS = ivt.o entry.o
 define paravirtualized_native
 AFLAGS_$(1) += -D__IA64_ASM_PARAVIRTUALIZED_NATIVE
+AFLAGS_pvchk-sed-$(1) += -D__IA64_ASM_PARAVIRTUALIZED_PVCHECK
+extra-y += pvchk-$(1)
 endef
 $(foreach obj,$(ASM_PARAVIRT_OBJS),$(eval $(call paravirtualized_native,$(obj))))
+
+#
+# Checker for paravirtualizations of privileged operations.
+#
+quiet_cmd_pv_check_sed = PVCHK   $@
+define cmd_pv_check_sed
+	sed -f $(srctree)/arch/$(SRCARCH)/scripts/pvcheck.sed $< > $@
+endef
+
+$(obj)/pvchk-sed-%.s: $(src)/%.S $(srctree)/arch/$(SRCARCH)/scripts/pvcheck.sed FORCE
+	$(call if_changed_dep,as_s_S)
+$(obj)/pvchk-%.s: $(obj)/pvchk-sed-%.s FORCE
+	$(call if_changed,pv_check_sed)
+$(obj)/pvchk-%.o: $(obj)/pvchk-%.s FORCE
+	$(call if_changed,as_o_S)
+.PRECIOUS: $(obj)/pvchk-sed-%.s $(obj)/pvchk-%.s $(obj)/pvchk-%.o
diff --git a/arch/ia64/kernel/paravirt_inst.h b/arch/ia64/kernel/paravirt_inst.h
index 5cad6fb2ed1..64d6d810c64 100644
--- a/arch/ia64/kernel/paravirt_inst.h
+++ b/arch/ia64/kernel/paravirt_inst.h
@@ -20,7 +20,9 @@
  *
  */
 
-#ifdef __IA64_ASM_PARAVIRTUALIZED_XEN
+#ifdef __IA64_ASM_PARAVIRTUALIZED_PVCHECK
+#include <asm/native/pvchk_inst.h>
+#elif defined(__IA64_ASM_PARAVIRTUALIZED_XEN)
 #include <asm/xen/inst.h>
 #include <asm/xen/minstate.h>
 #else
diff --git a/arch/ia64/scripts/pvcheck.sed b/arch/ia64/scripts/pvcheck.sed
new file mode 100644
index 00000000000..ba66ac2e4c6
--- /dev/null
+++ b/arch/ia64/scripts/pvcheck.sed
@@ -0,0 +1,32 @@
+#
+# Checker for paravirtualizations of privileged operations.
+#
+s/ssm.*psr\.ic.*/.warning \"ssm psr.ic should not be used directly\"/g
+s/rsm.*psr\.ic.*/.warning \"rsm psr.ic should not be used directly\"/g
+s/ssm.*psr\.i.*/.warning \"ssm psr.i should not be used directly\"/g
+s/rsm.*psr\.i.*/.warning \"rsm psr.i should not be used directly\"/g
+s/ssm.*psr\.dt.*/.warning \"ssm psr.dt should not be used directly\"/g
+s/rsm.*psr\.dt.*/.warning \"rsm psr.dt should not be used directly\"/g
+s/mov.*=.*cr\.ifa/.warning \"cr.ifa should not used directly\"/g
+s/mov.*=.*cr\.itir/.warning \"cr.itir should not used directly\"/g
+s/mov.*=.*cr\.isr/.warning \"cr.isr should not used directly\"/g
+s/mov.*=.*cr\.iha/.warning \"cr.iha should not used directly\"/g
+s/mov.*=.*cr\.ipsr/.warning \"cr.ipsr should not used directly\"/g
+s/mov.*=.*cr\.iim/.warning \"cr.iim should not used directly\"/g
+s/mov.*=.*cr\.iip/.warning \"cr.iip should not used directly\"/g
+s/mov.*=.*cr\.ivr/.warning \"cr.ivr should not used directly\"/g
+s/mov.*=[^\.]*psr/.warning \"psr should not used directly\"/g	# avoid ar.fpsr
+s/mov.*=.*ar\.eflags/.warning \"ar.eflags should not used directly\"/g
+s/mov.*cr\.ifa.*=.*/.warning \"cr.ifa should not used directly\"/g
+s/mov.*cr\.itir.*=.*/.warning \"cr.itir should not used directly\"/g
+s/mov.*cr\.iha.*=.*/.warning \"cr.iha should not used directly\"/g
+s/mov.*cr\.ipsr.*=.*/.warning \"cr.ipsr should not used directly\"/g
+s/mov.*cr\.ifs.*=.*/.warning \"cr.ifs should not used directly\"/g
+s/mov.*cr\.iip.*=.*/.warning \"cr.iip should not used directly\"/g
+s/mov.*cr\.kr.*=.*/.warning \"cr.kr should not used directly\"/g
+s/mov.*ar\.eflags.*=.*/.warning \"ar.eflags should not used directly\"/g
+s/itc\.i.*/.warning \"itc.i should not be used directly.\"/g
+s/itc\.d.*/.warning \"itc.d should not be used directly.\"/g
+s/bsw\.0/.warning \"bsw.0 should not be used directly.\"/g
+s/bsw\.1/.warning \"bsw.1 should not be used directly.\"/g
+s/ptc\.ga.*/.warning \"ptc.ga should not be used directly.\"/g
-- 
GitLab


From 9fa126da4a9addec77db4663933ed592188a0741 Mon Sep 17 00:00:00 2001
From: Niklaus Giger <niklaus.giger@member.fsf.org>
Date: Wed, 1 Oct 2008 19:23:23 +0000
Subject: [PATCH 1002/2224] powerpc/40x: Add support for Netstal HCU4 board

Adds support for a HCU4 PPC405GPr based board from Netstal Maschinen AG.

Signed-off-by: Niklaus Giger <niklaus.giger@member.fsf.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/boot/dts/hcu4.dts          | 168 +++++
 arch/powerpc/configs/40x/hcu4_defconfig | 929 ++++++++++++++++++++++++
 arch/powerpc/platforms/40x/Kconfig      |   8 +
 arch/powerpc/platforms/40x/Makefile     |   1 +
 arch/powerpc/platforms/40x/hcu4.c       |  61 ++
 5 files changed, 1167 insertions(+)
 create mode 100644 arch/powerpc/boot/dts/hcu4.dts
 create mode 100644 arch/powerpc/configs/40x/hcu4_defconfig
 create mode 100644 arch/powerpc/platforms/40x/hcu4.c

diff --git a/arch/powerpc/boot/dts/hcu4.dts b/arch/powerpc/boot/dts/hcu4.dts
new file mode 100644
index 00000000000..7988598da4c
--- /dev/null
+++ b/arch/powerpc/boot/dts/hcu4.dts
@@ -0,0 +1,168 @@
+/*
+* Device Tree Source for Netstal Maschinen HCU4
+* based on the IBM Walnut
+*
+* Copyright 2008
+* Niklaus Giger <niklaus.giger@member.fsf.org>
+*
+* Copyright 2007 IBM Corp.
+* Josh Boyer <jwboyer@linux.vnet.ibm.com>
+*
+* This file is licensed under the terms of the GNU General Public
+* License version 2.  This program is licensed "as is" without
+* any warranty of any kind, whether express or implied.
+*/
+
+/dts-v1/;
+
+/ {
+	#address-cells = <0x1>;
+	#size-cells = <0x1>;
+	model = "netstal,hcu4";
+	compatible = "netstal,hcu4";
+	dcr-parent = <0x1>;
+
+	aliases {
+		ethernet0 = "/plb/opb/ethernet@ef600800";
+		serial0 = "/plb/opb/serial@ef600300";
+	};
+
+	cpus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,405GPr";
+			reg = <0x0>;
+			clock-frequency = <0>;		/* Filled in by U-Boot */
+			timebase-frequency = <0x0>;	/* Filled in by U-Boot */
+			i-cache-line-size = <0x20>;
+			d-cache-line-size = <0x20>;
+			i-cache-size = <0x4000>;
+			d-cache-size = <0x4000>;
+			dcr-controller;
+			dcr-access-method = "native";
+			linux,phandle = <0x1>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x0 0x0>;	/* Filled in by U-Boot */
+	};
+
+	UIC0: interrupt-controller {
+		compatible = "ibm,uic";
+		interrupt-controller;
+		cell-index = <0x0>;
+		dcr-reg = <0xc0 0x9>;
+		#address-cells = <0x0>;
+		#size-cells = <0x0>;
+		#interrupt-cells = <0x2>;
+		linux,phandle = <0x2>;
+	};
+
+	plb {
+		compatible = "ibm,plb3";
+		#address-cells = <0x1>;
+		#size-cells = <0x1>;
+		ranges;
+		clock-frequency = <0x0>;	/* Filled in by U-Boot */
+
+		SDRAM0: memory-controller {
+			compatible = "ibm,sdram-405gp";
+			dcr-reg = <0x10 0x2>;
+		};
+
+		MAL: mcmal {
+			compatible = "ibm,mcmal-405gp", "ibm,mcmal";
+			dcr-reg = <0x180 0x62>;
+			num-tx-chans = <0x1>;
+			num-rx-chans = <0x1>;
+			interrupt-parent = <0x2>;
+			interrupts = <0xb 0x4 0xc 0x4 0xa 0x4 0xd 0x4 0xe 0x4>;
+			linux,phandle = <0x3>;
+		};
+
+		POB0: opb {
+			compatible = "ibm,opb-405gp", "ibm,opb";
+			#address-cells = <0x1>;
+			#size-cells = <0x1>;
+			ranges = <0xef600000 0xef600000 0xa00000>;
+			dcr-reg = <0xa0 0x5>;
+			clock-frequency = <0x0>;	/* Filled in by U-Boot */
+
+			UART0: serial@ef600300 {
+				device_type = "serial";
+				compatible = "ns16550";
+				reg = <0xef600300 0x8>;
+				virtual-reg = <0xef600300>;
+				clock-frequency = <0x0>;/* Filled in by U-Boot */
+				current-speed = <0>;	/* Filled in by U-Boot */
+				interrupt-parent = <0x2>;
+				interrupts = <0x0 0x4>;
+			};
+
+			IIC: i2c@ef600500 {
+				compatible = "ibm,iic-405gp", "ibm,iic";
+				reg = <0xef600500 0x11>;
+				interrupt-parent = <0x2>;
+				interrupts = <0x2 0x4>;
+			};
+
+			GPIO: gpio@ef600700 {
+				compatible = "ibm,gpio-405gp";
+				reg = <0xef600700 0x20>;
+			};
+
+			EMAC: ethernet@ef600800 {
+				device_type = "network";
+				compatible = "ibm,emac-405gp", "ibm,emac";
+				interrupt-parent = <0x2>;
+				interrupts = <0xf 0x4 0x9 0x4>;
+				local-mac-address = [00 00 00 00 00 00];
+				reg = <0xef600800 0x70>;
+				mal-device = <0x3>;
+				mal-tx-channel = <0x0>;
+				mal-rx-channel = <0x0>;
+				cell-index = <0x0>;
+				max-frame-size = <0x5dc>;
+				rx-fifo-size = <0x1000>;
+				tx-fifo-size = <0x800>;
+				phy-mode = "rmii";
+				phy-map = <0x1>;
+			};
+		};
+
+		EBC0: ebc {
+			compatible = "ibm,ebc-405gp", "ibm,ebc";
+			dcr-reg = <0x12 0x2>;
+			#address-cells = <0x2>;
+			#size-cells = <0x1>;
+			clock-frequency = <0x0>;	/* Filled in by U-Boot */
+
+			sram@0,0 {
+				reg = <0x0 0x0 0x80000>;
+			};
+
+			flash@0,80000 {
+				compatible = "jedec-flash";
+				bank-width = <0x1>;
+				reg = <0x0 0x80000 0x80000>;
+				#address-cells = <0x1>;
+				#size-cells = <0x1>;
+
+				partition@0 {
+					label = "OpenBIOS";
+					reg = <0x0 0x80000>;
+					read-only;
+				};
+			};
+		};
+	};
+
+	chosen {
+		linux,stdout-path = "/plb/opb/serial@ef600300";
+	};
+};
diff --git a/arch/powerpc/configs/40x/hcu4_defconfig b/arch/powerpc/configs/40x/hcu4_defconfig
new file mode 100644
index 00000000000..682fce02c73
--- /dev/null
+++ b/arch/powerpc/configs/40x/hcu4_defconfig
@@ -0,0 +1,929 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.26.5
+# Tue Sep 16 00:44:33 2008
+#
+# CONFIG_PPC64 is not set
+
+#
+# Processor support
+#
+# CONFIG_6xx is not set
+# CONFIG_PPC_85xx is not set
+# CONFIG_PPC_8xx is not set
+CONFIG_40x=y
+# CONFIG_44x is not set
+# CONFIG_E200 is not set
+CONFIG_4xx=y
+# CONFIG_PPC_MM_SLICES is not set
+CONFIG_NOT_COHERENT_CACHE=y
+CONFIG_PPC32=y
+CONFIG_WORD_SIZE=32
+CONFIG_PPC_MERGE=y
+CONFIG_MMU=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set
+CONFIG_IRQ_PER_CPU=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_ARCH_HAS_ILOG2_U32=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+# CONFIG_ARCH_NO_VIRT_TO_BUS is not set
+CONFIG_PPC=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+CONFIG_OF=y
+CONFIG_PPC_UDBG_16550=y
+# CONFIG_GENERIC_TBSYNC is not set
+CONFIG_AUDIT_ARCH=y
+CONFIG_GENERIC_BUG=y
+# CONFIG_DEFAULT_UIMAGE is not set
+CONFIG_PPC_DCR_NATIVE=y
+# CONFIG_PPC_DCR_MMIO is not set
+CONFIG_PPC_DCR=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_EMBEDDED=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+# CONFIG_LOGBUFFER is not set
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+CONFIG_BLOCK=y
+CONFIG_LBD=y
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_PPC4xx_PCI_EXPRESS is not set
+
+#
+# Platform support
+#
+# CONFIG_PPC_MPC512x is not set
+# CONFIG_PPC_MPC5121 is not set
+# CONFIG_PPC_CELL is not set
+# CONFIG_PPC_CELL_NATIVE is not set
+# CONFIG_PQ2ADS is not set
+# CONFIG_EP405 is not set
+CONFIG_HCU4=y
+# CONFIG_KILAUEA is not set
+# CONFIG_MAKALU is not set
+# CONFIG_WALNUT is not set
+# CONFIG_XILINX_VIRTEX_GENERIC_BOARD is not set
+# CONFIG_IPIC is not set
+# CONFIG_MPIC is not set
+# CONFIG_MPIC_WEIRD is not set
+# CONFIG_PPC_I8259 is not set
+# CONFIG_PPC_RTAS is not set
+# CONFIG_MMIO_NVRAM is not set
+# CONFIG_PPC_MPC106 is not set
+# CONFIG_PPC_970_NAP is not set
+# CONFIG_PPC_INDIRECT_IO is not set
+# CONFIG_GENERIC_IOMAP is not set
+# CONFIG_CPU_FREQ is not set
+# CONFIG_FSL_ULI1575 is not set
+
+#
+# Kernel options
+#
+# CONFIG_HIGHMEM is not set
+# CONFIG_TICK_ONESHOT is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_MISC is not set
+# CONFIG_MATH_EMULATION is not set
+# CONFIG_IOMMU_HELPER is not set
+CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_HAS_WALK_MEMORY=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_RESOURCES_64BIT=y
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_PROC_DEVICETREE=y
+# CONFIG_CMDLINE_BOOL is not set
+# CONFIG_PM is not set
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
+
+#
+# Bus options
+#
+CONFIG_ZONE_DMA=y
+CONFIG_PPC_INDIRECT_PCI=y
+CONFIG_4xx_SOC=y
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PCI_SYSCALL=y
+# CONFIG_PCIEPORTBUS is not set
+CONFIG_ARCH_SUPPORTS_MSI=y
+# CONFIG_PCI_MSI is not set
+# CONFIG_PCI_LEGACY is not set
+# CONFIG_PCI_DEBUG is not set
+# CONFIG_PCCARD is not set
+# CONFIG_HOTPLUG_PCI is not set
+# CONFIG_HAS_RAPIDIO is not set
+
+#
+# Advanced setup
+#
+# CONFIG_ADVANCED_OPTIONS is not set
+
+#
+# Default settings for advanced configuration options are used
+#
+CONFIG_LOWMEM_SIZE=0x30000000
+CONFIG_PAGE_OFFSET=0xc0000000
+CONFIG_KERNEL_START=0xc0000000
+CONFIG_PHYSICAL_START=0x00000000
+CONFIG_TASK_SIZE=0xc0000000
+CONFIG_CONSISTENT_START=0xff100000
+CONFIG_CONSISTENT_SIZE=0x00200000
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+
+#
+# Wireless
+#
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
+# CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_OF_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=m
+CONFIG_MTD_BLOCK=m
+# CONFIG_MTD_BLOCK_RO is not set
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PHYSMAP_OF=y
+# CONFIG_MTD_INTEL_VR_NOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+CONFIG_OF_DEVICE=y
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_FD is not set
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=35000
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_XILINX_SYSACE is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_PHANTOM is not set
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_SGI_IOC4 is not set
+# CONFIG_TIFM_CORE is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+
+#
+# Enable only one of the two stacks, unless you know what you are doing
+#
+# CONFIG_FIREWIRE is not set
+# CONFIG_IEEE1394 is not set
+# CONFIG_I2O is not set
+# CONFIG_MACINTOSH_DRIVERS is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_ARCNET is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+CONFIG_IBM_NEW_EMAC=y
+CONFIG_IBM_NEW_EMAC_RXB=128
+CONFIG_IBM_NEW_EMAC_TXB=64
+CONFIG_IBM_NEW_EMAC_POLL_WEIGHT=32
+CONFIG_IBM_NEW_EMAC_RX_COPY_THRESHOLD=256
+CONFIG_IBM_NEW_EMAC_RX_SKB_HEADROOM=0
+# CONFIG_IBM_NEW_EMAC_DEBUG is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_NET_PCI is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+# CONFIG_E1000 is not set
+# CONFIG_E1000E is not set
+# CONFIG_E1000E_ENABLED is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+# CONFIG_QLA3XXX is not set
+# CONFIG_ATL1 is not set
+CONFIG_NETDEV_10000=y
+# CONFIG_CHELSIO_T1 is not set
+# CONFIG_CHELSIO_T3 is not set
+# CONFIG_IXGBE is not set
+# CONFIG_IXGB is not set
+# CONFIG_S2IO is not set
+# CONFIG_MYRI10GE is not set
+# CONFIG_NETXEN_NIC is not set
+# CONFIG_NIU is not set
+# CONFIG_MLX4_CORE is not set
+# CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
+# CONFIG_SFC is not set
+# CONFIG_TR is not set
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_EXTENDED=y
+# CONFIG_SERIAL_8250_MANY_PORTS is not set
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_SERIAL_8250_DETECT_IRQ is not set
+# CONFIG_SERIAL_8250_RSA is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_UARTLITE is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_NVRAM is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_DEVPORT=y
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+
+#
+# Multimedia devices
+#
+
+#
+# Multimedia core support
+#
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_AGP is not set
+# CONFIG_DRM is not set
+# CONFIG_VGASTATE is not set
+CONFIG_VIDEO_OUTPUT_CONTROL=m
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_INFINIBAND is not set
+# CONFIG_EDAC is not set
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4DEV_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_YAFFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+# CONFIG_GENERIC_FIND_FIRST_BIT is not set
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_HAVE_LMB=y
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_SAMPLES is not set
+# CONFIG_DEBUG_STACKOVERFLOW is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_DEBUGGER is not set
+# CONFIG_IRQSTACKS is not set
+# CONFIG_VIRQ_DEBUG is not set
+# CONFIG_BDI_SWITCH is not set
+# CONFIG_PPC_EARLY_DEBUG is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+CONFIG_CRYPTO_PCBC=y
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
+# CONFIG_PPC_CLOCK is not set
+# CONFIG_VIRTUALIZATION is not set
diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index 72ba3a7289f..9bd15255305 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -32,6 +32,14 @@ config EP405
 	help
 	  This option enables support for the EP405/EP405PC boards.
 
+config HCU4
+	bool "Hcu4"
+	depends on 40x
+	default y
+	select 405GPR
+	help
+	  This option enables support for the Nestal Maschinen HCU4 board.
+
 config KILAUEA
 	bool "Kilauea"
 	depends on 40x
diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
index 1d93273a1db..9bab76a652a 100644
--- a/arch/powerpc/platforms/40x/Makefile
+++ b/arch/powerpc/platforms/40x/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_KILAUEA)				+= kilauea.o
+obj-$(CONFIG_HCU4)				+= hcu4.o
 obj-$(CONFIG_MAKALU)				+= makalu.o
 obj-$(CONFIG_WALNUT)				+= walnut.o
 obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD)	+= virtex.o
diff --git a/arch/powerpc/platforms/40x/hcu4.c b/arch/powerpc/platforms/40x/hcu4.c
new file mode 100644
index 00000000000..60b2afecab7
--- /dev/null
+++ b/arch/powerpc/platforms/40x/hcu4.c
@@ -0,0 +1,61 @@
+/*
+ * Architecture- / platform-specific boot-time initialization code for
+ * IBM PowerPC 4xx based boards. Adapted from original
+ * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek
+ * <dan@net4x.com>.
+ *
+ * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu>
+ *
+ * Rewritten and ported to the merged powerpc tree:
+ * Copyright 2007 IBM Corporation
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * 2002 (c) MontaVista, Software, Inc.  This file is licensed under
+ * the terms of the GNU General Public License version 2.  This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/ppc4xx.h>
+
+static __initdata struct of_device_id hcu4_of_bus[] = {
+	{ .compatible = "ibm,plb3", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{},
+};
+
+static int __init hcu4_device_probe(void)
+{
+	of_platform_bus_probe(NULL, hcu4_of_bus, NULL);
+	return 0;
+}
+machine_device_initcall(hcu4, hcu4_device_probe);
+
+static int __init hcu4_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (!of_flat_dt_is_compatible(root, "netstal,hcu4"))
+		return 0;
+
+	return 1;
+}
+
+define_machine(hcu4) {
+	.name			= "HCU4",
+	.probe			= hcu4_probe,
+	.progress		= udbg_progress,
+	.init_IRQ		= uic_init_tree,
+	.get_irq		= uic_get_irq,
+	.restart		= ppc4xx_reset_system,
+	.calibrate_decr		= generic_calibrate_decr,
+};
-- 
GitLab


From 878e7556bfe7b10178ea58862bf9708f35afe001 Mon Sep 17 00:00:00 2001
From: "Steven A. Falco" <sfalco@harris.com>
Date: Mon, 13 Oct 2008 06:04:09 +0000
Subject: [PATCH 1003/2224] powerpc/4xx: Add PowerPC 4xx GPIO driver

This patch adds support for the GPIO functions of PPC40x and PPC44x
SOCs.

Signed-off-by: Steve Falco <sfalco@harris.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 arch/powerpc/platforms/40x/Kconfig |   8 ++
 arch/powerpc/platforms/44x/Kconfig |   8 ++
 arch/powerpc/sysdev/Makefile       |   1 +
 arch/powerpc/sysdev/ppc4xx_gpio.c  | 217 +++++++++++++++++++++++++++++
 4 files changed, 234 insertions(+)
 create mode 100644 arch/powerpc/sysdev/ppc4xx_gpio.c

diff --git a/arch/powerpc/platforms/40x/Kconfig b/arch/powerpc/platforms/40x/Kconfig
index 9bd15255305..65730275e01 100644
--- a/arch/powerpc/platforms/40x/Kconfig
+++ b/arch/powerpc/platforms/40x/Kconfig
@@ -169,6 +169,14 @@ config STB03xxx
 	select IBM405_ERR77
 	select IBM405_ERR51
 
+config PPC4xx_GPIO
+	bool "PPC4xx GPIO support"
+	depends on 40x
+	select ARCH_REQUIRE_GPIOLIB
+	select GENERIC_GPIO
+	help
+	  Enable gpiolib support for ppc40x based boards
+
 # 40x errata/workaround config symbols, selected by the CPU models above
 
 # All 405-based cores up until the 405GPR and 405EP have this errata.
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 79c1154f88d..3496bc05058 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -167,6 +167,14 @@ config PPC44x_SIMPLE
 	help
 	  This option enables the simple PowerPC 44x platform support.
 
+config PPC4xx_GPIO
+	bool "PPC4xx GPIO support"
+	depends on 44x
+	select ARCH_REQUIRE_GPIOLIB
+	select GENERIC_GPIO
+	help
+	  Enable gpiolib support for ppc440 based boards
+
 # 44x specific CPU modules, selected based on the board above.
 config 440EP
 	bool
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index a44709a94f9..5afce115ab1 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_OF_RTC)		+= of_rtc.o
 ifeq ($(CONFIG_PCI),y)
 obj-$(CONFIG_4xx)		+= ppc4xx_pci.o
 endif
+obj-$(CONFIG_PPC4xx_GPIO)	+= ppc4xx_gpio.o
 
 obj-$(CONFIG_CPM)		+= cpm_common.o
 obj-$(CONFIG_CPM2)		+= cpm2.o cpm2_pic.o
diff --git a/arch/powerpc/sysdev/ppc4xx_gpio.c b/arch/powerpc/sysdev/ppc4xx_gpio.c
new file mode 100644
index 00000000000..110efe2a54f
--- /dev/null
+++ b/arch/powerpc/sysdev/ppc4xx_gpio.c
@@ -0,0 +1,217 @@
+/*
+ * PPC4xx gpio driver
+ *
+ * Copyright (c) 2008 Harris Corporation
+ * Copyright (c) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ * Copyright (c) MontaVista Software, Inc. 2008.
+ *
+ * Author: Steve Falco <sfalco@harris.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <linux/types.h>
+
+#define GPIO_MASK(gpio)		(0x80000000 >> (gpio))
+#define GPIO_MASK2(gpio)	(0xc0000000 >> ((gpio) * 2))
+
+/* Physical GPIO register layout */
+struct ppc4xx_gpio {
+	__be32 or;
+	__be32 tcr;
+	__be32 osrl;
+	__be32 osrh;
+	__be32 tsrl;
+	__be32 tsrh;
+	__be32 odr;
+	__be32 ir;
+	__be32 rr1;
+	__be32 rr2;
+	__be32 rr3;
+	__be32 reserved1;
+	__be32 isr1l;
+	__be32 isr1h;
+	__be32 isr2l;
+	__be32 isr2h;
+	__be32 isr3l;
+	__be32 isr3h;
+};
+
+struct ppc4xx_gpio_chip {
+	struct of_mm_gpio_chip mm_gc;
+	spinlock_t lock;
+};
+
+/*
+ * GPIO LIB API implementation for GPIOs
+ *
+ * There are a maximum of 32 gpios in each gpio controller.
+ */
+
+static inline struct ppc4xx_gpio_chip *
+to_ppc4xx_gpiochip(struct of_mm_gpio_chip *mm_gc)
+{
+	return container_of(mm_gc, struct ppc4xx_gpio_chip, mm_gc);
+}
+
+static int ppc4xx_gpio_get(struct gpio_chip *gc, unsigned int gpio)
+{
+	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct ppc4xx_gpio __iomem *regs = mm_gc->regs;
+
+	return in_be32(&regs->ir) & GPIO_MASK(gpio);
+}
+
+static inline void
+__ppc4xx_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct ppc4xx_gpio __iomem *regs = mm_gc->regs;
+
+	if (val)
+		setbits32(&regs->or, GPIO_MASK(gpio));
+	else
+		clrbits32(&regs->or, GPIO_MASK(gpio));
+}
+
+static void
+ppc4xx_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct ppc4xx_gpio_chip *chip = to_ppc4xx_gpiochip(mm_gc);
+	unsigned long flags;
+
+	spin_lock_irqsave(&chip->lock, flags);
+
+	__ppc4xx_gpio_set(gc, gpio, val);
+
+	spin_unlock_irqrestore(&chip->lock, flags);
+
+	pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val);
+}
+
+static int ppc4xx_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
+{
+	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct ppc4xx_gpio_chip *chip = to_ppc4xx_gpiochip(mm_gc);
+	struct ppc4xx_gpio __iomem *regs = mm_gc->regs;
+	unsigned long flags;
+
+	spin_lock_irqsave(&chip->lock, flags);
+
+	/* Disable open-drain function */
+	clrbits32(&regs->odr, GPIO_MASK(gpio));
+
+	/* Float the pin */
+	clrbits32(&regs->tcr, GPIO_MASK(gpio));
+
+	/* Bits 0-15 use TSRL/OSRL, bits 16-31 use TSRH/OSRH */
+	if (gpio < 16) {
+		clrbits32(&regs->osrl, GPIO_MASK2(gpio));
+		clrbits32(&regs->tsrl, GPIO_MASK2(gpio));
+	} else {
+		clrbits32(&regs->osrh, GPIO_MASK2(gpio));
+		clrbits32(&regs->tsrh, GPIO_MASK2(gpio));
+	}
+
+	spin_unlock_irqrestore(&chip->lock, flags);
+
+	return 0;
+}
+
+static int
+ppc4xx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
+{
+	struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
+	struct ppc4xx_gpio_chip *chip = to_ppc4xx_gpiochip(mm_gc);
+	struct ppc4xx_gpio __iomem *regs = mm_gc->regs;
+	unsigned long flags;
+
+	spin_lock_irqsave(&chip->lock, flags);
+
+	/* First set initial value */
+	__ppc4xx_gpio_set(gc, gpio, val);
+
+	/* Disable open-drain function */
+	clrbits32(&regs->odr, GPIO_MASK(gpio));
+
+	/* Drive the pin */
+	setbits32(&regs->tcr, GPIO_MASK(gpio));
+
+	/* Bits 0-15 use TSRL, bits 16-31 use TSRH */
+	if (gpio < 16) {
+		clrbits32(&regs->osrl, GPIO_MASK2(gpio));
+		clrbits32(&regs->tsrl, GPIO_MASK2(gpio));
+	} else {
+		clrbits32(&regs->osrh, GPIO_MASK2(gpio));
+		clrbits32(&regs->tsrh, GPIO_MASK2(gpio));
+	}
+
+	spin_unlock_irqrestore(&chip->lock, flags);
+
+	pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val);
+
+	return 0;
+}
+
+static int __init ppc4xx_add_gpiochips(void)
+{
+	struct device_node *np;
+
+	for_each_compatible_node(np, NULL, "ibm,ppc4xx-gpio") {
+		int ret;
+		struct ppc4xx_gpio_chip *ppc4xx_gc;
+		struct of_mm_gpio_chip *mm_gc;
+		struct of_gpio_chip *of_gc;
+		struct gpio_chip *gc;
+
+		ppc4xx_gc = kzalloc(sizeof(*ppc4xx_gc), GFP_KERNEL);
+		if (!ppc4xx_gc) {
+			ret = -ENOMEM;
+			goto err;
+		}
+
+		spin_lock_init(&ppc4xx_gc->lock);
+
+		mm_gc = &ppc4xx_gc->mm_gc;
+		of_gc = &mm_gc->of_gc;
+		gc = &of_gc->gc;
+
+		of_gc->gpio_cells = 2;
+		gc->ngpio = 32;
+		gc->direction_input = ppc4xx_gpio_dir_in;
+		gc->direction_output = ppc4xx_gpio_dir_out;
+		gc->get = ppc4xx_gpio_get;
+		gc->set = ppc4xx_gpio_set;
+
+		ret = of_mm_gpiochip_add(np, mm_gc);
+		if (ret)
+			goto err;
+		continue;
+err:
+		pr_err("%s: registration failed with status %d\n",
+		       np->full_name, ret);
+		kfree(ppc4xx_gc);
+		/* try others anyway */
+	}
+	return 0;
+}
+arch_initcall(ppc4xx_add_gpiochips);
-- 
GitLab


From e7f4b8f1a5893ff8296b5b581e16a0b96f60a3b5 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Fri, 17 Oct 2008 16:20:07 -0500
Subject: [PATCH 1004/2224] 9p: Improve debug support

The new debug support lacks some of the information that the previous fcprint
code provided -- this patch focuses on better presentation of debug data along
with more helpful debug along error paths.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/9p.h |  4 +--
 net/9p/client.c     | 76 ++++++++++++++++++++++++++++++++-------------
 net/9p/protocol.c   | 21 +++++++++----
 3 files changed, 72 insertions(+), 29 deletions(-)

diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index cb5bc731e88..d2c60c73619 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -27,8 +27,6 @@
 #ifndef NET_9P_H
 #define NET_9P_H
 
-#ifdef CONFIG_NET_9P_DEBUG
-
 /**
  * enum p9_debug_flags - bits for mount time debug parameter
  * @P9_DEBUG_ERROR: more verbose error messages including original error string
@@ -55,10 +53,12 @@ enum p9_debug_flags {
 	P9_DEBUG_SLABS =      	(1<<7),
 	P9_DEBUG_FCALL =	(1<<8),
 	P9_DEBUG_FID =		(1<<9),
+	P9_DEBUG_PKT =		(1<<10),
 };
 
 extern unsigned int p9_debug_level;
 
+#ifdef CONFIG_NET_9P_DEBUG
 #define P9_DPRINTK(level, format, arg...) \
 do {  \
 	if ((p9_debug_level & level) == level) {\
diff --git a/net/9p/client.c b/net/9p/client.c
index 2a166bfb95a..bbac2f72b4d 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -389,8 +389,8 @@ p9_parse_header(struct p9_fcall *pdu, int32_t *size, int8_t *type, int16_t *tag,
 	pdu->id = r_type;
 	pdu->tag = r_tag;
 
-	P9_DPRINTK(P9_DEBUG_MUX, "pdu: type: %d tag: %d size=%d offset=%d\n",
-				pdu->id, pdu->tag, pdu->size, pdu->offset);
+	P9_DPRINTK(P9_DEBUG_9P, "<<< size=%d type: %d tag: %d\n", pdu->size,
+							pdu->id, pdu->tag);
 
 	if (type)
 		*type = r_type;
@@ -672,6 +672,7 @@ int p9_client_version(struct p9_client *c)
 	err = p9pdu_readf(req->rc, c->dotu, "ds", &msize, &version);
 	if (err) {
 		P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err);
+		p9pdu_dump(1, req->rc);
 		goto error;
 	}
 
@@ -810,6 +811,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
 	if (err) {
+		p9pdu_dump(1, req->rc);
 		p9_free_req(clnt, req);
 		goto error;
 	}
@@ -856,6 +858,7 @@ p9_client_auth(struct p9_client *clnt, char *uname, u32 n_uname, char *aname)
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
 	if (err) {
+		p9pdu_dump(1, req->rc);
 		p9_free_req(clnt, req);
 		goto error;
 	}
@@ -910,9 +913,12 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
 	}
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "R", &nwqids, &wqids);
-	p9_free_req(clnt, req);
-	if (err)
+	if (err) {
+		p9pdu_dump(1, req->rc);
+		p9_free_req(clnt, req);
 		goto clunk_fid;
+	}
+	p9_free_req(clnt, req);
 
 	P9_DPRINTK(P9_DEBUG_9P, "<<< RWALK nwqid %d:\n", nwqids);
 
@@ -967,9 +973,10 @@ int p9_client_open(struct p9_fid *fid, int mode)
 	}
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
-	p9_free_req(clnt, req);
-	if (err)
-		goto error;
+	if (err) {
+		p9pdu_dump(1, req->rc);
+		goto free_and_error;
+	}
 
 	P9_DPRINTK(P9_DEBUG_9P, "<<< ROPEN qid %x.%llx.%x iounit %x\n",
 				qid.type, qid.path, qid.version, iounit);
@@ -977,6 +984,8 @@ int p9_client_open(struct p9_fid *fid, int mode)
 	fid->mode = mode;
 	fid->iounit = iounit;
 
+free_and_error:
+	p9_free_req(clnt, req);
 error:
 	return err;
 }
@@ -1007,9 +1016,10 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
 	}
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
-	p9_free_req(clnt, req);
-	if (err)
-		goto error;
+	if (err) {
+		p9pdu_dump(1, req->rc);
+		goto free_and_error;
+	}
 
 	P9_DPRINTK(P9_DEBUG_9P, "<<< RCREATE qid %x.%llx.%x iounit %x\n",
 				qid.type, qid.path, qid.version, iounit);
@@ -1017,6 +1027,8 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
 	fid->mode = mode;
 	fid->iounit = iounit;
 
+free_and_error:
+	p9_free_req(clnt, req);
 error:
 	return err;
 }
@@ -1103,8 +1115,10 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
 	}
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "D", &count, &dataptr);
-	if (err)
+	if (err) {
+		p9pdu_dump(1, req->rc);
 		goto free_and_error;
+	}
 
 	P9_DPRINTK(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
 
@@ -1163,8 +1177,11 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 	}
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "d", &count);
-	if (err)
+	if (err) {
+		p9pdu_dump(1, req->rc);
 		goto free_and_error;
+	}
+
 	P9_DPRINTK(P9_DEBUG_9P, "<<< RWRITE count %d\n", count);
 
 	p9_free_req(clnt, req);
@@ -1200,20 +1217,27 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
 	}
 
 	err = p9pdu_readf(req->rc, clnt->dotu, "wS", &ignored, ret);
-	p9_free_req(clnt, req);
-	if (err)
-		goto error;
+	if (err) {
+		ret = ERR_PTR(err);
+		p9pdu_dump(1, req->rc);
+		goto free_and_error;
+	}
 
 	P9_DPRINTK(P9_DEBUG_9P,
-		"<<< RSTAT sz=%x type=%x dev=%x qid=%2.2x %4.4x %8.8llx"
-		" mode=%8.8x uid=%d gid=%d size=%lld %s\n",
+		"<<< RSTAT sz=%x type=%x dev=%x qid=%x.%llx.%x\n"
+		"<<<    mode=%8.8x atime=%8.8x mtime=%8.8x length=%llx\n"
+		"<<<    name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
+		"<<<    uid=%d gid=%d n_muid=%d\n",
 		ret->size, ret->type, ret->dev, ret->qid.type,
-		ret->qid.version, ret->qid.path, ret->mode,
-		ret->n_uid, ret->n_gid, ret->length, ret->name);
+		ret->qid.path, ret->qid.version, ret->mode,
+		ret->atime, ret->mtime, ret->length, ret->name,
+		ret->uid, ret->gid, ret->muid, ret->extension,
+		ret->n_uid, ret->n_gid, ret->n_muid);
 
-	return ret;
+free_and_error:
+	p9_free_req(clnt, req);
 error:
-	return ERR_PTR(err);
+	return ret;
 }
 EXPORT_SYMBOL(p9_client_stat);
 
@@ -1224,6 +1248,16 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
 	struct p9_client *clnt;
 
 	P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid);
+	P9_DPRINTK(P9_DEBUG_9P,
+		"     sz=%x type=%x dev=%x qid=%x.%llx.%x\n"
+		"     mode=%8.8x atime=%8.8x mtime=%8.8x length=%llx\n"
+		"     name=%s uid=%s gid=%s muid=%s extension=(%s)\n"
+		"     uid=%d gid=%d n_muid=%d\n",
+		wst->size, wst->type, wst->dev, wst->qid.type,
+		wst->qid.path, wst->qid.version, wst->mode,
+		wst->atime, wst->mtime, wst->length, wst->name,
+		wst->uid, wst->gid, wst->muid, wst->extension,
+		wst->n_uid, wst->n_gid, wst->n_muid);
 	err = 0;
 	clnt = fid->clnt;
 
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 92cb60bb191..84fa2127187 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -28,6 +28,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
+#include <linux/sched.h>
 #include <net/9p/9p.h>
 #include <net/9p/client.h>
 #include "protocol.h"
@@ -52,8 +53,6 @@
 static int
 p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...);
 
-#define PACKET_DEBUG 0
-
 void
 p9pdu_dump(int way, struct p9_fcall *pdu)
 {
@@ -78,9 +77,9 @@ p9pdu_dump(int way, struct p9_fcall *pdu)
 	n += scnprintf(buf + n, buflen - n, "\n");
 
 	if (way)
-		printk(KERN_NOTICE "[[(%d)[ %s\n", datalen, buf);
+		P9_DPRINTK(P9_DEBUG_PKT, "[[[(%d) %s\n", datalen, buf);
 	else
-		printk(KERN_NOTICE "]](%d)] %s\n", datalen, buf);
+		P9_DPRINTK(P9_DEBUG_PKT, "]]](%d) %s\n", datalen, buf);
 }
 EXPORT_SYMBOL(p9pdu_dump);
 
@@ -512,13 +511,20 @@ p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...)
 int p9stat_read(char *buf, int len, struct p9_wstat *st, int dotu)
 {
 	struct p9_fcall fake_pdu;
+	int ret;
 
 	fake_pdu.size = len;
 	fake_pdu.capacity = len;
 	fake_pdu.sdata = buf;
 	fake_pdu.offset = 0;
 
-	return p9pdu_readf(&fake_pdu, dotu, "S", st);
+	ret = p9pdu_readf(&fake_pdu, dotu, "S", st);
+	if (ret) {
+		P9_DPRINTK(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret);
+		p9pdu_dump(1, &fake_pdu);
+	}
+
+	return ret;
 }
 EXPORT_SYMBOL(p9stat_read);
 
@@ -536,9 +542,12 @@ int p9pdu_finalize(struct p9_fcall *pdu)
 	err = p9pdu_writef(pdu, 0, "d", size);
 	pdu->size = size;
 
-	if (PACKET_DEBUG)
+	if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT)
 		p9pdu_dump(0, pdu);
 
+	P9_DPRINTK(P9_DEBUG_9P, ">>> size=%d type: %d tag: %d\n", pdu->size,
+							pdu->id, pdu->tag);
+
 	return err;
 }
 
-- 
GitLab


From 57c7b4e68edf3b4fe7f977db9ad437e0f7f7c382 Mon Sep 17 00:00:00 2001
From: Magnus Deininger <dma05@web.de>
Date: Fri, 17 Oct 2008 12:44:46 -0500
Subject: [PATCH 1005/2224] 9p: fix device file handling

In v9fs_get_inode(), for block, as well as char devices (in theory),
the function init_special_inode() is called to set up callback functions
for file ops. this function uses the file mode's value to determine whether
to use block or char dev functions. In v9fs_inode_from_fid(), the function
p9mode2unixmode() is used, but for all devices it initially returns S_IFBLK,
then uses v9fs_get_inode() to initialise a new inode, then finally uses
v9fs_stat2inode(), which would determine whether the inode is a block or
character device. However, at that point init_special_inode() had already
decided to use the block device functions, so even if the inode's mode is
turned to a character device, the block functions are still used to operate
on them. The attached patch simply calls init_special_inode() again for devices
after parsing device node data in v9fs_stat2inode() so that the proper functions
are used.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index e96d84aafbe..8314d3f43b7 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -864,6 +864,7 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
 				stat->extension);
 		};
 		inode->i_rdev = MKDEV(major, minor);
+		init_special_inode(inode, inode->i_mode, inode->i_rdev);
 	} else
 		inode->i_rdev = 0;
 
-- 
GitLab


From f0a0ac2ee50c62cf4ad9b06cf8a12435cc5ac44d Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Fri, 17 Oct 2008 12:45:23 -0500
Subject: [PATCH 1006/2224] 9p: fix oops in protocol stat parsing error path.

When we get an error on parsing a stat due to a protocol bug,
we can generate an oops during cleanup because we didn't
initialize the string pointers in the stat structure.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/protocol.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 84fa2127187..29be5243908 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -215,9 +215,9 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				struct p9_wstat *stbuf =
 				    va_arg(ap, struct p9_wstat *);
 
-				stbuf->extension = NULL;
+				memset(stbuf, 0, sizeof(struct p9_wstat));
 				stbuf->n_uid = stbuf->n_gid = stbuf->n_muid =
-				    -1;
+									-1;
 				errcode =
 				    p9pdu_readf(pdu, optional,
 						"wwdQdddqssss?sddd",
-- 
GitLab


From 7eb923b80c8ce16697129fb2dcdfaeabf83f0dbc Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Fri, 17 Oct 2008 12:45:40 -0500
Subject: [PATCH 1007/2224] 9p: add more conservative locking

During the reorganization some of the multi-theaded locking assumptions were
accidently relaxed.  This patch moves us back towards a more conservative
locking strategy.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 net/9p/trans_fd.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index e8ebe2cb7e8..be65d8242fd 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -188,8 +188,16 @@ static void p9_conn_cancel(struct p9_conn *m, int err)
 	LIST_HEAD(cancel_list);
 
 	P9_DPRINTK(P9_DEBUG_ERROR, "mux %p err %d\n", m, err);
-	m->err = err;
+
 	spin_lock_irqsave(&m->client->lock, flags);
+
+	if (m->err) {
+		spin_unlock_irqrestore(&m->client->lock, flags);
+		return;
+	}
+
+	m->err = err;
+
 	list_for_each_entry_safe(req, rtmp, &m->req_list, req_list) {
 		req->status = REQ_STATUS_ERROR;
 		if (!req->t_err)
@@ -352,8 +360,9 @@ static void p9_read_work(struct work_struct *work)
 	/* not an else because some packets (like clunk) have no payload */
 	if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */
 		P9_DPRINTK(P9_DEBUG_TRANS, "got new packet\n");
-
+		spin_lock(&m->client->lock);
 		list_del(&m->req->req_list);
+		spin_unlock(&m->client->lock);
 		p9_client_cb(m->client, m->req);
 
 		m->rbuf = NULL;
@@ -651,9 +660,8 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req)
 	if (m->err < 0)
 		return m->err;
 
-	req->status = REQ_STATUS_UNSENT;
-
 	spin_lock(&client->lock);
+	req->status = REQ_STATUS_UNSENT;
 	list_add_tail(&req->req_list, &m->unsent_req_list);
 	spin_unlock(&client->lock);
 
@@ -672,19 +680,21 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
 {
 	struct p9_trans_fd *ts = client->trans;
 	struct p9_conn *m = ts->conn;
+	int ret = 1;
 
 	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p req %p\n", m, req);
 
 	spin_lock(&client->lock);
 	list_del(&req->req_list);
-	spin_unlock(&client->lock);
 
 	if (req->status == REQ_STATUS_UNSENT) {
 		req->status = REQ_STATUS_FLSHD;
-		return 0;
+		ret = 0;
 	}
 
-	return 1;
+	spin_unlock(&client->lock);
+
+	return ret;
 }
 
 /**
-- 
GitLab


From 4d0b856ef7eea5c03f4c1fa57793286ac068f4cd Mon Sep 17 00:00:00 2001
From: Torsten Krah <tkrah@fachschaft.imn.htwk-leipzig.de>
Date: Fri, 17 Oct 2008 09:47:57 +0200
Subject: [PATCH 1008/2224] asus-laptop: Add support for P30/P35

Add support for P30/P35.

http://bugzilla.kernel.org/show_bug.cgi?id=10848

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/asus-laptop.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index de82f2f5a81..df82cda8769 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -139,6 +139,7 @@ ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10",	/* All new models */
 	    "\\_SB.PCI0.PX40.ECD0._Q10",	/* L3C */
 	    "\\_SB.PCI0.PX40.EC0.Q10",	/* M1A */
 	    "\\_SB.PCI0.LPCB.EC0._Q10",	/* P30 */
+	    "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */
 	    "\\_SB.PCI0.PX40.Q10",	/* S1x */
 	    "\\Q10");		/* A2x, L2D, L3D, M2E */
 
-- 
GitLab


From c6c38bac2608b0f439b9ede72394780fe7fe1951 Mon Sep 17 00:00:00 2001
From: Mike Dahlgren <dahlgren@gmail.com>
Date: Fri, 17 Oct 2008 14:35:14 -0400
Subject: [PATCH 1009/2224] asus_acpi: whitespace and comment cleanup

Signed-off-by: Mike Dahlgren <dahlgren@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/asus_acpi.c | 221 +++++++++++++++++++--------------------
 1 file changed, 110 insertions(+), 111 deletions(-)

diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index d3d0886d637..3f7adf683d4 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -42,7 +42,7 @@
 
 #define ASUS_ACPI_VERSION "0.30"
 
-#define PROC_ASUS       "asus"	//the directory
+#define PROC_ASUS       "asus"	/* The directory */
 #define PROC_MLED       "mled"
 #define PROC_WLED       "wled"
 #define PROC_TLED       "tled"
@@ -66,10 +66,10 @@
 /*
  * Flags for hotk status
  */
-#define MLED_ON     0x01	//mail LED
-#define WLED_ON     0x02	//wireless LED
-#define TLED_ON     0x04	//touchpad LED
-#define BT_ON       0x08	//internal Bluetooth
+#define MLED_ON     0x01	/* Mail LED */
+#define WLED_ON     0x02	/* Wireless LED */
+#define TLED_ON     0x04	/* Touchpad LED */
+#define BT_ON       0x08	/* Internal Bluetooth */
 
 MODULE_AUTHOR("Julien Lerouge, Karol Kozimor");
 MODULE_DESCRIPTION(ACPI_HOTK_NAME);
@@ -82,28 +82,28 @@ MODULE_PARM_DESC(asus_uid, "UID for entries in /proc/acpi/asus");
 module_param(asus_gid, uint, 0);
 MODULE_PARM_DESC(asus_gid, "GID for entries in /proc/acpi/asus");
 
-/* For each model, all features implemented, 
+/* For each model, all features implemented,
  * those marked with R are relative to HOTK, A for absolute */
 struct model_data {
-	char *name;		//name of the laptop________________A
-	char *mt_mled;		//method to handle mled_____________R
-	char *mled_status;	//node to handle mled reading_______A
-	char *mt_wled;		//method to handle wled_____________R
-	char *wled_status;	//node to handle wled reading_______A
-	char *mt_tled;		//method to handle tled_____________R
-	char *tled_status;	//node to handle tled reading_______A
-	char *mt_ledd;		//method to handle LED display______R
-	char *mt_bt_switch;	//method to switch Bluetooth on/off_R
-	char *bt_status;	//no model currently supports this__?
-	char *mt_lcd_switch;	//method to turn LCD on/off_________A
-	char *lcd_status;	//node to read LCD panel state______A
-	char *brightness_up;	//method to set brightness up_______A
-	char *brightness_down;	//guess what ?______________________A
-	char *brightness_set;	//method to set absolute brightness_R
-	char *brightness_get;	//method to get absolute brightness_R
-	char *brightness_status;	//node to get brightness____________A
-	char *display_set;	//method to set video output________R
-	char *display_get;	//method to get video output________R
+	char *name;		/* name of the laptop________________A */
+	char *mt_mled;		/* method to handle mled_____________R */
+	char *mled_status;	/* node to handle mled reading_______A */
+	char *mt_wled;		/* method to handle wled_____________R */
+	char *wled_status;	/* node to handle wled reading_______A */
+	char *mt_tled;		/* method to handle tled_____________R */
+	char *tled_status;	/* node to handle tled reading_______A */
+	char *mt_ledd;		/* method to handle LED display______R */
+	char *mt_bt_switch;	/* method to switch Bluetooth on/off_R */
+	char *bt_status;	/* no model currently supports this__? */
+	char *mt_lcd_switch;	/* method to turn LCD on/off_________A */
+	char *lcd_status;	/* node to read LCD panel state______A */
+	char *brightness_up;	/* method to set brightness up_______A */
+	char *brightness_down;	/* method to set brightness down ____A */
+	char *brightness_set;	/* method to set absolute brightness_R */
+	char *brightness_get;	/* method to get absolute brightness_R */
+	char *brightness_status;/* node to get brightness____________A */
+	char *display_set;	/* method to set video output________R */
+	char *display_get;	/* method to get video output________R */
 };
 
 /*
@@ -111,41 +111,41 @@ struct model_data {
  * about the hotk device
  */
 struct asus_hotk {
-	struct acpi_device *device;	//the device we are in
-	acpi_handle handle;	//the handle of the hotk device
-	char status;		//status of the hotk, for LEDs, ...
-	u32 ledd_status;	//status of the LED display
-	struct model_data *methods;	//methods available on the laptop
-	u8 brightness;		//brightness level
+	struct acpi_device *device;	/* the device we are in */
+	acpi_handle handle;		/* the handle of the hotk device */
+	char status;			/* status of the hotk, for LEDs */
+	u32 ledd_status;		/* status of the LED display */
+	struct model_data *methods;	/* methods available on the laptop */
+	u8 brightness;			/* brightness level */
 	enum {
-		A1x = 0,	//A1340D, A1300F
-		A2x,		//A2500H
-		A4G,		//A4700G
-		D1x,		//D1
-		L2D,		//L2000D
-		L3C,		//L3800C
-		L3D,		//L3400D
-		L3H,		//L3H, L2000E, L5D
-		L4R,		//L4500R
-		L5x,		//L5800C 
-		L8L,		//L8400L
-		M1A,		//M1300A
-		M2E,		//M2400E, L4400L
-		M6N,		//M6800N, W3400N
-		M6R,		//M6700R, A3000G
-		P30,		//Samsung P30
-		S1x,		//S1300A, but also L1400B and M2400A (L84F)
-		S2x,		//S200 (J1 reported), Victor MP-XP7210
-		W1N,		//W1000N
-		W5A,		//W5A
-		W3V,            //W3030V
-		xxN,		//M2400N, M3700N, M5200N, M6800N, S1300N, S5200N
-		A4S,            //Z81sp
-		//(Centrino)
-		F3Sa,
+		A1x = 0,	/* A1340D, A1300F */
+		A2x,		/* A2500H */
+		A4G,		/* A4700G */
+		D1x,		/* D1 */
+		L2D,		/* L2000D */
+		L3C,		/* L3800C */
+		L3D,		/* L3400D */
+		L3H,		/* L3H, L2000E, L5D */
+		L4R,		/* L4500R */
+		L5x,		/* L5800C */
+		L8L,		/* L8400L */
+		M1A,		/* M1300A */
+		M2E,		/* M2400E, L4400L */
+		M6N,		/* M6800N, W3400N */
+		M6R,		/* M6700R, A3000G */
+		P30,		/* Samsung P30 */
+		S1x,		/* S1300A, but also L1400B and M2400A (L84F) */
+		S2x,		/* S200 (J1 reported), Victor MP-XP7210 */
+		W1N,		/* W1000N */
+		W5A,		/* W5A */
+		W3V,            /* W3030V */
+		xxN,		/* M2400N, M3700N, M5200N, M6800N,
+							 S1300N, S5200N*/
+		A4S,            /* Z81sp */
+		F3Sa,		/* (Centrino) */
 		END_MODEL
-	} model;		//Models currently supported
-	u16 event_count[128];	//count for each event TODO make this better
+	} model;		/* Models currently supported */
+	u16 event_count[128];	/* Count for each event TODO make this better */
 };
 
 /* Here we go */
@@ -459,18 +459,18 @@ static struct acpi_driver asus_hotk_driver = {
 		},
 };
 
-/* 
+/*
  * This function evaluates an ACPI method, given an int as parameter, the
  * method is searched within the scope of the handle, can be NULL. The output
  * of the method is written is output, which can also be NULL
  *
- * returns 1 if write is successful, 0 else. 
+ * returns 1 if write is successful, 0 else.
  */
 static int write_acpi_int(acpi_handle handle, const char *method, int val,
 			  struct acpi_buffer *output)
 {
-	struct acpi_object_list params;	//list of input parameters (an int here)
-	union acpi_object in_obj;	//the only param we use
+	struct acpi_object_list params;	/* list of input parameters (int) */
+	union acpi_object in_obj;	/* the only param we use */
 	acpi_status status;
 
 	params.count = 1;
@@ -507,18 +507,18 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
 {
 	int len = 0;
 	int temp;
-	char buf[16];		//enough for all info
+	char buf[16];		/* enough for all info */
 	/*
-	 * We use the easy way, we don't care of off and count, so we don't set eof
-	 * to 1
+	 * We use the easy way, we don't care of off and count,
+	 * so we don't set eof to 1
 	 */
 
 	len += sprintf(page, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
 	len += sprintf(page + len, "Model reference    : %s\n",
 		       hotk->methods->name);
-	/* 
-	 * The SFUN method probably allows the original driver to get the list 
-	 * of features supported by a given model. For now, 0x0100 or 0x0800 
+	/*
+	 * The SFUN method probably allows the original driver to get the list
+	 * of features supported by a given model. For now, 0x0100 or 0x0800
 	 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
 	 * The significance of others is yet to be found.
 	 */
@@ -528,7 +528,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
 	/*
 	 * Another value for userspace: the ASYM method returns 0x02 for
 	 * battery low and 0x04 for battery critical, its readings tend to be
-	 * more accurate than those provided by _BST. 
+	 * more accurate than those provided by _BST.
 	 * Note: since not all the laptops provide this method, errors are
 	 * silently ignored.
 	 */
@@ -579,7 +579,7 @@ static int read_led(const char *ledname, int ledmask)
 	return (hotk->status & ledmask) ? 1 : 0;
 }
 
-static int parse_arg(const char __user * buf, unsigned long count, int *val)
+static int parse_arg(const char __user *buf, unsigned long count, int *val)
 {
 	char s[32];
 	if (!count)
@@ -596,7 +596,7 @@ static int parse_arg(const char __user * buf, unsigned long count, int *val)
 
 /* FIXME: kill extraneous args so it can be called independently */
 static int
-write_led(const char __user * buffer, unsigned long count,
+write_led(const char __user *buffer, unsigned long count,
 	  char *ledname, int ledmask, int invert)
 {
 	int rv, value;
@@ -631,7 +631,7 @@ proc_read_mled(char *page, char **start, off_t off, int count, int *eof,
 }
 
 static int
-proc_write_mled(struct file *file, const char __user * buffer,
+proc_write_mled(struct file *file, const char __user *buffer,
 		unsigned long count, void *data)
 {
 	return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1);
@@ -648,7 +648,7 @@ proc_read_ledd(char *page, char **start, off_t off, int count, int *eof,
 }
 
 static int
-proc_write_ledd(struct file *file, const char __user * buffer,
+proc_write_ledd(struct file *file, const char __user *buffer,
 		unsigned long count, void *data)
 {
 	int rv, value;
@@ -677,7 +677,7 @@ proc_read_wled(char *page, char **start, off_t off, int count, int *eof,
 }
 
 static int
-proc_write_wled(struct file *file, const char __user * buffer,
+proc_write_wled(struct file *file, const char __user *buffer,
 		unsigned long count, void *data)
 {
 	return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0);
@@ -694,10 +694,10 @@ proc_read_bluetooth(char *page, char **start, off_t off, int count, int *eof,
 }
 
 static int
-proc_write_bluetooth(struct file *file, const char __user * buffer,
+proc_write_bluetooth(struct file *file, const char __user *buffer,
 		     unsigned long count, void *data)
 {
-	/* Note: mt_bt_switch controls both internal Bluetooth adapter's 
+	/* Note: mt_bt_switch controls both internal Bluetooth adapter's
 	   presence and its LED */
 	return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0);
 }
@@ -714,7 +714,7 @@ proc_read_tled(char *page, char **start, off_t off, int count, int *eof,
 }
 
 static int
-proc_write_tled(struct file *file, const char __user * buffer,
+proc_write_tled(struct file *file, const char __user *buffer,
 		unsigned long count, void *data)
 {
 	return write_led(buffer, count, hotk->methods->mt_tled, TLED_ON, 0);
@@ -734,7 +734,7 @@ static int get_lcd_state(void)
 
 		input.count = 2;
 		input.pointer = mt_params;
-		/* Note: the following values are partly guessed up, but 
+		/* Note: the following values are partly guessed up, but
 		   otherwise they seem to work */
 		mt_params[0].type = ACPI_TYPE_INTEGER;
 		mt_params[0].integer.value = 0x02;
@@ -796,12 +796,13 @@ static int set_lcd_state(int value)
 			    acpi_evaluate_object(NULL,
 						 hotk->methods->mt_lcd_switch,
 						 NULL, NULL);
-		} else {	/* L3H and the like have to be handled differently */
+		} else {
+			/* L3H and the like must be handled differently */
 			if (!write_acpi_int
 			    (hotk->handle, hotk->methods->mt_lcd_switch, 0x07,
 			     NULL))
 				status = AE_ERROR;
-			/* L3H's AML executes EHK (0x07) upon Fn+F7 keypress, 
+			/* L3H's AML executes EHK (0x07) upon Fn+F7 keypress,
 			   the exact behaviour is simulated here */
 		}
 		if (ACPI_FAILURE(status))
@@ -819,7 +820,7 @@ proc_read_lcd(char *page, char **start, off_t off, int count, int *eof,
 }
 
 static int
-proc_write_lcd(struct file *file, const char __user * buffer,
+proc_write_lcd(struct file *file, const char __user *buffer,
 	       unsigned long count, void *data)
 {
 	int rv, value;
@@ -897,7 +898,7 @@ proc_read_brn(char *page, char **start, off_t off, int count, int *eof,
 }
 
 static int
-proc_write_brn(struct file *file, const char __user * buffer,
+proc_write_brn(struct file *file, const char __user *buffer,
 	       unsigned long count, void *data)
 {
 	int rv, value;
@@ -921,7 +922,7 @@ static void set_display(int value)
 }
 
 /*
- * Now, *this* one could be more user-friendly, but so far, no-one has 
+ * Now, *this* one could be more user-friendly, but so far, no-one has
  * complained. The significance of bits is the same as in proc_write_disp()
  */
 static int
@@ -933,18 +934,18 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
 	if (!read_acpi_int(hotk->handle, hotk->methods->display_get, &value))
 		printk(KERN_WARNING
 		       "Asus ACPI: Error reading display status\n");
-	value &= 0x07;		/* needed for some models, shouldn't hurt others */
+	value &= 0x07;	/* needed for some models, shouldn't hurt others */
 	return sprintf(page, "%d\n", value);
 }
 
 /*
- * Experimental support for display switching. As of now: 1 should activate 
- * the LCD output, 2 should do for CRT, and 4 for TV-Out. Any combination 
- * (bitwise) of these will suffice. I never actually tested 3 displays hooked up 
- * simultaneously, so be warned. See the acpi4asus README for more info.
+ * Experimental support for display switching. As of now: 1 should activate
+ * the LCD output, 2 should do for CRT, and 4 for TV-Out. Any combination
+ * (bitwise) of these will suffice. I never actually tested 3 displays hooked
+ * up simultaneously, so be warned. See the acpi4asus README for more info.
  */
 static int
-proc_write_disp(struct file *file, const char __user * buffer,
+proc_write_disp(struct file *file, const char __user *buffer,
 		unsigned long count, void *data)
 {
 	int rv, value;
@@ -957,12 +958,12 @@ proc_write_disp(struct file *file, const char __user * buffer,
 
 typedef int (proc_readfunc) (char *page, char **start, off_t off, int count,
 			     int *eof, void *data);
-typedef int (proc_writefunc) (struct file * file, const char __user * buffer,
+typedef int (proc_writefunc) (struct file *file, const char __user *buffer,
 			      unsigned long count, void *data);
 
 static int
-asus_proc_add(char *name, proc_writefunc * writefunc,
-		     proc_readfunc * readfunc, mode_t mode,
+asus_proc_add(char *name, proc_writefunc *writefunc,
+		     proc_readfunc *readfunc, mode_t mode,
 		     struct acpi_device *device)
 {
 	struct proc_dir_entry *proc =
@@ -1040,9 +1041,9 @@ static int asus_hotk_add_fs(struct acpi_device *device)
 			      &proc_read_bluetooth, mode, device);
 	}
 
-	/* 
-	 * We need both read node and write method as LCD switch is also accessible
-	 * from keyboard 
+	/*
+	 * We need both read node and write method as LCD switch is also
+	 * accessible from the keyboard
 	 */
 	if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) {
 		asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode,
@@ -1096,11 +1097,10 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data)
 	if (!hotk)
 		return;
 
-	if ((event & ~((u32) BR_UP)) < 16) {
+	if ((event & ~((u32) BR_UP)) < 16)
 		hotk->brightness = (event & ~((u32) BR_UP));
-	} else if ((event & ~((u32) BR_DOWN)) < 16) {
+	else if ((event & ~((u32) BR_DOWN)) < 16)
 		hotk->brightness = (event & ~((u32) BR_DOWN));
-	}
 
 	acpi_bus_generate_proc_event(hotk->device, event,
 				hotk->event_count[event % 128]++);
@@ -1186,8 +1186,8 @@ static int asus_hotk_get_info(void)
 	acpi_status status;
 
 	/*
-	 * Get DSDT headers early enough to allow for differentiating between 
-	 * models, but late enough to allow acpi_bus_register_driver() to fail 
+	 * Get DSDT headers early enough to allow for differentiating between
+	 * models, but late enough to allow acpi_bus_register_driver() to fail
 	 * before doing anything ACPI-specific. Should we encounter a machine,
 	 * which needs special handling (i.e. its hotkey device has a different
 	 * HID), this bit will be moved. A global variable asus_info contains
@@ -1212,8 +1212,8 @@ static int asus_hotk_get_info(void)
 
 	/*
 	 * Try to match the object returned by INIT to the specific model.
-	 * Handle every possible object (or the lack of thereof) the DSDT 
-	 * writers might throw at us. When in trouble, we pass NULL to 
+	 * Handle every possible object (or the lack of thereof) the DSDT
+	 * writers might throw at us. When in trouble, we pass NULL to
 	 * asus_model_match() and try something completely different.
 	 */
 	if (buffer.pointer) {
@@ -1254,7 +1254,7 @@ static int asus_hotk_get_info(void)
 	/* Sort of per-model blacklist */
 	if (strncmp(string, "L2B", 3) == 0)
 		hotk->methods->lcd_status = NULL;
-	/* L2B is similar enough to L3C to use its settings, with this only 
+	/* L2B is similar enough to L3C to use its settings, with this only
 	   exception */
 	else if (strncmp(string, "A3G", 3) == 0)
 		hotk->methods->lcd_status = "\\BLFG";
@@ -1366,10 +1366,9 @@ static int asus_hotk_add(struct acpi_device *device)
 	/* LED display is off by default */
 	hotk->ledd_status = 0xFFF;
 
-      end:
-	if (result) {
+end:
+	if (result)
 		kfree(hotk);
-	}
 
 	return result;
 }
@@ -1394,8 +1393,8 @@ static int asus_hotk_remove(struct acpi_device *device, int type)
 }
 
 static struct backlight_ops asus_backlight_data = {
-        .get_brightness = read_brightness,
-        .update_status  = set_brightness_status,
+	.get_brightness = read_brightness,
+	.update_status  = set_brightness_status,
 };
 
 static void asus_acpi_exit(void)
@@ -1442,15 +1441,15 @@ static int __init asus_acpi_init(void)
 		return -ENODEV;
 	}
 
-	asus_backlight_device = backlight_device_register("asus",NULL,NULL,
+	asus_backlight_device = backlight_device_register("asus", NULL, NULL,
 							  &asus_backlight_data);
-        if (IS_ERR(asus_backlight_device)) {
+	if (IS_ERR(asus_backlight_device)) {
 		printk(KERN_ERR "Could not register asus backlight device\n");
 		asus_backlight_device = NULL;
 		asus_acpi_exit();
 		return -ENODEV;
 	}
-        asus_backlight_device->props.max_brightness = 15;
+	asus_backlight_device->props.max_brightness = 15;
 
 	return 0;
 }
-- 
GitLab


From 81e192d6ce303b6792aa38ff35f41a1a7357f23a Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Fri, 17 Oct 2008 18:48:36 +0000
Subject: [PATCH 1010/2224] parisc: convert to generic compat_sys_ptrace

This patch does the compat_sys_ptrace conversion for parisc.
In addition it does convert the parisc ptrace code to use the
architecture-independent ptrace infrastructure instead of own coding.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
---
 arch/parisc/include/asm/ptrace.h   |  10 +
 arch/parisc/kernel/ptrace.c        | 429 ++++++++++++-----------------
 arch/parisc/kernel/syscall_table.S |   2 +-
 3 files changed, 183 insertions(+), 258 deletions(-)

diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index 3e94c5d85ff..afa5333187b 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -47,6 +47,16 @@ struct pt_regs {
 
 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
+struct task_struct;
+#define arch_has_single_step()	1
+void user_disable_single_step(struct task_struct *task);
+void user_enable_single_step(struct task_struct *task);
+
+#define arch_has_block_step()	1
+void user_enable_block_step(struct task_struct *task);
+
 /* XXX should we use iaoq[1] or iaoq[0] ? */
 #define user_mode(regs)			(((regs)->iaoq[0] & 3) ? 1 : 0)
 #define user_space(regs)		(((regs)->iasq[1] != 0) ? 1 : 0)
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 49c63797078..90904f9dfc5 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -4,6 +4,7 @@
  * Copyright (C) 2000 Hewlett-Packard Co, Linuxcare Inc.
  * Copyright (C) 2000 Matthew Wilcox <matthew@wil.cx>
  * Copyright (C) 2000 David Huggins-Daines <dhd@debian.org>
+ * Copyright (C) 2008 Helge Deller <deller@gmx.de>
  */
 
 #include <linux/kernel.h>
@@ -27,15 +28,149 @@
 /* PSW bits we allow the debugger to modify */
 #define USER_PSW_BITS	(PSW_N | PSW_V | PSW_CB)
 
-#undef DEBUG_PTRACE
+/*
+ * Called by kernel/ptrace.c when detaching..
+ *
+ * Make sure single step bits etc are not set.
+ */
+void ptrace_disable(struct task_struct *task)
+{
+	task->ptrace &= ~(PT_SINGLESTEP|PT_BLOCKSTEP);
 
-#ifdef DEBUG_PTRACE
-#define DBG(x...)	printk(x)
-#else
-#define DBG(x...)
-#endif
+	/* make sure the trap bits are not set */
+	pa_psw(task)->r = 0;
+	pa_psw(task)->t = 0;
+	pa_psw(task)->h = 0;
+	pa_psw(task)->l = 0;
+}
+
+/*
+ * The following functions are called by ptrace_resume() when
+ * enabling or disabling single/block tracing.
+ */
+void user_disable_single_step(struct task_struct *task)
+{
+	ptrace_disable(task);
+}
+
+void user_enable_single_step(struct task_struct *task)
+{
+	task->ptrace &= ~PT_BLOCKSTEP;
+	task->ptrace |= PT_SINGLESTEP;
+
+	if (pa_psw(task)->n) {
+		struct siginfo si;
+
+		/* Nullified, just crank over the queue. */
+		task_regs(task)->iaoq[0] = task_regs(task)->iaoq[1];
+		task_regs(task)->iasq[0] = task_regs(task)->iasq[1];
+		task_regs(task)->iaoq[1] = task_regs(task)->iaoq[0] + 4;
+		pa_psw(task)->n = 0;
+		pa_psw(task)->x = 0;
+		pa_psw(task)->y = 0;
+		pa_psw(task)->z = 0;
+		pa_psw(task)->b = 0;
+		ptrace_disable(task);
+		/* Don't wake up the task, but let the
+		   parent know something happened. */
+		si.si_code = TRAP_TRACE;
+		si.si_addr = (void __user *) (task_regs(task)->iaoq[0] & ~3);
+		si.si_signo = SIGTRAP;
+		si.si_errno = 0;
+		force_sig_info(SIGTRAP, &si, task);
+		/* notify_parent(task, SIGCHLD); */
+		return;
+	}
+
+	/* Enable recovery counter traps.  The recovery counter
+	 * itself will be set to zero on a task switch.  If the
+	 * task is suspended on a syscall then the syscall return
+	 * path will overwrite the recovery counter with a suitable
+	 * value such that it traps once back in user space.  We
+	 * disable interrupts in the tasks PSW here also, to avoid
+	 * interrupts while the recovery counter is decrementing.
+	 */
+	pa_psw(task)->r = 1;
+	pa_psw(task)->t = 0;
+	pa_psw(task)->h = 0;
+	pa_psw(task)->l = 0;
+}
+
+void user_enable_block_step(struct task_struct *task)
+{
+	task->ptrace &= ~PT_SINGLESTEP;
+	task->ptrace |= PT_BLOCKSTEP;
+
+	/* Enable taken branch trap. */
+	pa_psw(task)->r = 0;
+	pa_psw(task)->t = 1;
+	pa_psw(task)->h = 0;
+	pa_psw(task)->l = 0;
+}
+
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+{
+	unsigned long tmp;
+	long ret = -EIO;
 
-#ifdef CONFIG_64BIT
+	switch (request) {
+
+	/* Read the word at location addr in the USER area.  For ptraced
+	   processes, the kernel saves all regs on a syscall. */
+	case PTRACE_PEEKUSR:
+		if ((addr & (sizeof(long)-1)) ||
+		    (unsigned long) addr >= sizeof(struct pt_regs))
+			break;
+		tmp = *(unsigned long *) ((char *) task_regs(child) + addr);
+		ret = put_user(tmp, (unsigned long *) data);
+		break;
+
+	/* Write the word at location addr in the USER area.  This will need
+	   to change when the kernel no longer saves all regs on a syscall.
+	   FIXME.  There is a problem at the moment in that r3-r18 are only
+	   saved if the process is ptraced on syscall entry, and even then
+	   those values are overwritten by actual register values on syscall
+	   exit. */
+	case PTRACE_POKEUSR:
+		/* Some register values written here may be ignored in
+		 * entry.S:syscall_restore_rfi; e.g. iaoq is written with
+		 * r31/r31+4, and not with the values in pt_regs.
+		 */
+		if (addr == PT_PSW) {
+			/* Allow writing to Nullify, Divide-step-correction,
+			 * and carry/borrow bits.
+			 * BEWARE, if you set N, and then single step, it won't
+			 * stop on the nullified instruction.
+			 */
+			data &= USER_PSW_BITS;
+			task_regs(child)->gr[0] &= ~USER_PSW_BITS;
+			task_regs(child)->gr[0] |= data;
+			ret = 0;
+			break;
+		}
+
+		if ((addr & (sizeof(long)-1)) ||
+		    (unsigned long) addr >= sizeof(struct pt_regs))
+			break;
+		if ((addr >= PT_GR1 && addr <= PT_GR31) ||
+				addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
+				(addr >= PT_FR0 && addr <= PT_FR31 + 4) ||
+				addr == PT_SAR) {
+			*(unsigned long *) ((char *) task_regs(child) + addr) = data;
+			ret = 0;
+		}
+		break;
+
+	default:
+		ret = ptrace_request(child, request, addr, data);
+		break;
+	}
+
+	return ret;
+}
+
+
+#ifdef CONFIG_COMPAT
 
 /* This function is needed to translate 32 bit pt_regs offsets in to
  * 64 bit pt_regs offsets.  For example, a 32 bit gdb under a 64 bit kernel
@@ -61,106 +196,25 @@ static long translate_usr_offset(long offset)
 	else
 		return -1;
 }
-#endif
 
-/*
- * Called by kernel/ptrace.c when detaching..
- *
- * Make sure single step bits etc are not set.
- */
-void ptrace_disable(struct task_struct *child)
+long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
+			compat_ulong_t addr, compat_ulong_t data)
 {
-	/* make sure the trap bits are not set */
-	pa_psw(child)->r = 0;
-	pa_psw(child)->t = 0;
-	pa_psw(child)->h = 0;
-	pa_psw(child)->l = 0;
-}
-
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
-{
-	long ret;
-#ifdef DEBUG_PTRACE
-	long oaddr=addr, odata=data;
-#endif
+	compat_uint_t tmp;
+	long ret = -EIO;
 
 	switch (request) {
-	case PTRACE_PEEKTEXT: /* read word at location addr. */ 
-	case PTRACE_PEEKDATA: {
-#ifdef CONFIG_64BIT
-		if (__is_compat_task(child)) {
-			int copied;
-			unsigned int tmp;
-
-			addr &= 0xffffffffL;
-			copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-			ret = -EIO;
-			if (copied != sizeof(tmp))
-				goto out_tsk;
-			ret = put_user(tmp,(unsigned int *) data);
-			DBG("sys_ptrace(PEEK%s, %d, %lx, %lx) returning %ld, data %x\n",
-				request == PTRACE_PEEKTEXT ? "TEXT" : "DATA",
-				pid, oaddr, odata, ret, tmp);
-		}
-		else
-#endif
-			ret = generic_ptrace_peekdata(child, addr, data);
-		goto out_tsk;
-	}
 
-	/* when I and D space are separate, this will have to be fixed. */
-	case PTRACE_POKETEXT: /* write the word at location addr. */
-	case PTRACE_POKEDATA:
-		ret = 0;
-#ifdef CONFIG_64BIT
-		if (__is_compat_task(child)) {
-			unsigned int tmp = (unsigned int)data;
-			DBG("sys_ptrace(POKE%s, %d, %lx, %lx)\n",
-				request == PTRACE_POKETEXT ? "TEXT" : "DATA",
-				pid, oaddr, odata);
-			addr &= 0xffffffffL;
-			if (access_process_vm(child, addr, &tmp, sizeof(tmp), 1) == sizeof(tmp))
-				goto out_tsk;
-		}
-		else
-#endif
-		{
-			if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data))
-				goto out_tsk;
-		}
-		ret = -EIO;
-		goto out_tsk;
-
-	/* Read the word at location addr in the USER area.  For ptraced
-	   processes, the kernel saves all regs on a syscall. */
-	case PTRACE_PEEKUSR: {
-		ret = -EIO;
-#ifdef CONFIG_64BIT
-		if (__is_compat_task(child)) {
-			unsigned int tmp;
-
-			if (addr & (sizeof(int)-1))
-				goto out_tsk;
-			if ((addr = translate_usr_offset(addr)) < 0)
-				goto out_tsk;
-
-			tmp = *(unsigned int *) ((char *) task_regs(child) + addr);
-			ret = put_user(tmp, (unsigned int *) data);
-			DBG("sys_ptrace(PEEKUSR, %d, %lx, %lx) returning %ld, addr %lx, data %x\n",
-				pid, oaddr, odata, ret, addr, tmp);
-		}
-		else
-#endif
-		{
-			unsigned long tmp;
+	case PTRACE_PEEKUSR:
+		if (addr & (sizeof(compat_uint_t)-1))
+			break;
+		addr = translate_usr_offset(addr);
+		if (addr < 0)
+			break;
 
-			if ((addr & (sizeof(long)-1)) || (unsigned long) addr >= sizeof(struct pt_regs))
-				goto out_tsk;
-			tmp = *(unsigned long *) ((char *) task_regs(child) + addr);
-			ret = put_user(tmp, (unsigned long *) data);
-		}
-		goto out_tsk;
-	}
+		tmp = *(compat_uint_t *) ((char *) task_regs(child) + addr);
+		ret = put_user(tmp, (compat_uint_t *) (unsigned long) data);
+		break;
 
 	/* Write the word at location addr in the USER area.  This will need
 	   to change when the kernel no longer saves all regs on a syscall.
@@ -169,185 +223,46 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	   those values are overwritten by actual register values on syscall
 	   exit. */
 	case PTRACE_POKEUSR:
-		ret = -EIO;
 		/* Some register values written here may be ignored in
 		 * entry.S:syscall_restore_rfi; e.g. iaoq is written with
 		 * r31/r31+4, and not with the values in pt_regs.
 		 */
-		 /* PT_PSW=0, so this is valid for 32 bit processes under 64
-		 * bit kernels.
-		 */
 		if (addr == PT_PSW) {
-			/* PT_PSW=0, so this is valid for 32 bit processes
-			 * under 64 bit kernels.
-			 *
-			 * Allow writing to Nullify, Divide-step-correction,
-			 * and carry/borrow bits.
-			 * BEWARE, if you set N, and then single step, it won't
-			 * stop on the nullified instruction.
+			/* Since PT_PSW==0, it is valid for 32 bit processes
+			 * under 64 bit kernels as well.
 			 */
-			DBG("sys_ptrace(POKEUSR, %d, %lx, %lx)\n",
-				pid, oaddr, odata);
-			data &= USER_PSW_BITS;
-			task_regs(child)->gr[0] &= ~USER_PSW_BITS;
-			task_regs(child)->gr[0] |= data;
-			ret = 0;
-			goto out_tsk;
-		}
-#ifdef CONFIG_64BIT
-		if (__is_compat_task(child)) {
-			if (addr & (sizeof(int)-1))
-				goto out_tsk;
-			if ((addr = translate_usr_offset(addr)) < 0)
-				goto out_tsk;
-			DBG("sys_ptrace(POKEUSR, %d, %lx, %lx) addr %lx\n",
-				pid, oaddr, odata, addr);
+			ret = arch_ptrace(child, request, addr, data);
+		} else {
+			if (addr & (sizeof(compat_uint_t)-1))
+				break;
+			addr = translate_usr_offset(addr);
+			if (addr < 0)
+				break;
 			if (addr >= PT_FR0 && addr <= PT_FR31 + 4) {
 				/* Special case, fp regs are 64 bits anyway */
-				*(unsigned int *) ((char *) task_regs(child) + addr) = data;
+				*(__u64 *) ((char *) task_regs(child) + addr) = data;
 				ret = 0;
 			}
 			else if ((addr >= PT_GR1+4 && addr <= PT_GR31+4) ||
 					addr == PT_IAOQ0+4 || addr == PT_IAOQ1+4 ||
 					addr == PT_SAR+4) {
 				/* Zero the top 32 bits */
-				*(unsigned int *) ((char *) task_regs(child) + addr - 4) = 0;
-				*(unsigned int *) ((char *) task_regs(child) + addr) = data;
+				*(__u32 *) ((char *) task_regs(child) + addr - 4) = 0;
+				*(__u32 *) ((char *) task_regs(child) + addr) = data;
 				ret = 0;
 			}
-			goto out_tsk;
 		}
-		else
-#endif
-		{
-			if ((addr & (sizeof(long)-1)) || (unsigned long) addr >= sizeof(struct pt_regs))
-				goto out_tsk;
-			if ((addr >= PT_GR1 && addr <= PT_GR31) ||
-					addr == PT_IAOQ0 || addr == PT_IAOQ1 ||
-					(addr >= PT_FR0 && addr <= PT_FR31 + 4) ||
-					addr == PT_SAR) {
-				*(unsigned long *) ((char *) task_regs(child) + addr) = data;
-				ret = 0;
-			}
-			goto out_tsk;
-		}
-
-	case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-	case PTRACE_CONT:
-		ret = -EIO;
-		DBG("sys_ptrace(%s)\n",
-			request == PTRACE_SYSCALL ? "SYSCALL" : "CONT");
-		if (!valid_signal(data))
-			goto out_tsk;
-		child->ptrace &= ~(PT_SINGLESTEP|PT_BLOCKSTEP);
-		if (request == PTRACE_SYSCALL) {
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		} else {
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		}		
-		child->exit_code = data;
-		goto out_wake_notrap;
-
-	case PTRACE_KILL:
-		/*
-		 * make the child exit.  Best I can do is send it a
-		 * sigkill.  perhaps it should be put in the status
-		 * that it wants to exit.
-		 */
-		ret = 0;
-		DBG("sys_ptrace(KILL)\n");
-		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-			goto out_tsk;
-		child->exit_code = SIGKILL;
-		goto out_wake_notrap;
-
-	case PTRACE_SINGLEBLOCK:
-		DBG("sys_ptrace(SINGLEBLOCK)\n");
-		ret = -EIO;
-		if (!valid_signal(data))
-			goto out_tsk;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->ptrace &= ~PT_SINGLESTEP;
-		child->ptrace |= PT_BLOCKSTEP;
-		child->exit_code = data;
-
-		/* Enable taken branch trap. */
-		pa_psw(child)->r = 0;
-		pa_psw(child)->t = 1;
-		pa_psw(child)->h = 0;
-		pa_psw(child)->l = 0;
-		goto out_wake;
-
-	case PTRACE_SINGLESTEP:
-		DBG("sys_ptrace(SINGLESTEP)\n");
-		ret = -EIO;
-		if (!valid_signal(data))
-			goto out_tsk;
-
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->ptrace &= ~PT_BLOCKSTEP;
-		child->ptrace |= PT_SINGLESTEP;
-		child->exit_code = data;
-
-		if (pa_psw(child)->n) {
-			struct siginfo si;
-
-			/* Nullified, just crank over the queue. */
-			task_regs(child)->iaoq[0] = task_regs(child)->iaoq[1];
-			task_regs(child)->iasq[0] = task_regs(child)->iasq[1];
-			task_regs(child)->iaoq[1] = task_regs(child)->iaoq[0] + 4;
-			pa_psw(child)->n = 0;
-			pa_psw(child)->x = 0;
-			pa_psw(child)->y = 0;
-			pa_psw(child)->z = 0;
-			pa_psw(child)->b = 0;
-			ptrace_disable(child);
-			/* Don't wake up the child, but let the
-			   parent know something happened. */
-			si.si_code = TRAP_TRACE;
-			si.si_addr = (void __user *) (task_regs(child)->iaoq[0] & ~3);
-			si.si_signo = SIGTRAP;
-			si.si_errno = 0;
-			force_sig_info(SIGTRAP, &si, child);
-			//notify_parent(child, SIGCHLD);
-			//ret = 0;
-			goto out_wake;
-		}
-
-		/* Enable recovery counter traps.  The recovery counter
-		 * itself will be set to zero on a task switch.  If the
-		 * task is suspended on a syscall then the syscall return
-		 * path will overwrite the recovery counter with a suitable
-		 * value such that it traps once back in user space.  We
-		 * disable interrupts in the childs PSW here also, to avoid
-		 * interrupts while the recovery counter is decrementing.
-		 */
-		pa_psw(child)->r = 1;
-		pa_psw(child)->t = 0;
-		pa_psw(child)->h = 0;
-		pa_psw(child)->l = 0;
-		/* give it a chance to run. */
-		goto out_wake;
-
-	case PTRACE_GETEVENTMSG:
-                ret = put_user(child->ptrace_message, (unsigned int __user *) data);
-		goto out_tsk;
+		break;
 
 	default:
-		ret = ptrace_request(child, request, addr, data);
-		goto out_tsk;
+		ret = compat_ptrace_request(child, request, addr, data);
+		break;
 	}
 
-out_wake_notrap:
-	ptrace_disable(child);
-out_wake:
-	wake_up_process(child);
-	ret = 0;
-out_tsk:
-	DBG("arch_ptrace(%ld, %d, %lx, %lx) returning %ld\n",
-		request, pid, oaddr, odata, ret);
 	return ret;
 }
+#endif
+
 
 void syscall_trace(void)
 {
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 6084667eacf..4ed01f2d655 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -87,7 +87,7 @@
 	ENTRY_SAME(setuid)
 	ENTRY_SAME(getuid)
 	ENTRY_COMP(stime)		/* 25 */
-	ENTRY_SAME(ptrace)
+	ENTRY_COMP(ptrace)
 	ENTRY_SAME(alarm)
 	/* see stat comment */
 	ENTRY_COMP(newfstat)
-- 
GitLab


From 62fdd7678a26efadd6ac5c2869543caff77d2df0 Mon Sep 17 00:00:00 2001
From: Fenghua Yu <fenghua.yu@intel.com>
Date: Fri, 17 Oct 2008 12:14:13 -0700
Subject: [PATCH 1011/2224] [IA64] Add Variable Page Size and IA64 Support in
 Intel IOMMU

The patch contains Intel IOMMU IA64 specific code. It defines new
machvec dig_vtd, hooks for IOMMU, DMAR table detection, cache line flush
function, etc.

For a generic kernel with CONFIG_DMAR=y, if Intel IOMMU is detected,
dig_vtd is used for machinve vector. Otherwise, kernel falls back to
dig machine vector. Kernel parameter "machvec=dig" or "intel_iommu=off"
can be used to force kernel to boot dig machine vector.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/Kconfig                       |  17 ++++
 arch/ia64/Makefile                      |   1 +
 arch/ia64/configs/generic_defconfig     |   2 +
 arch/ia64/configs/tiger_defconfig       |   2 +
 arch/ia64/dig/Makefile                  |   5 +
 arch/ia64/dig/dig_vtd_iommu.c           |  59 +++++++++++
 arch/ia64/dig/machvec_vtd.c             |   3 +
 arch/ia64/include/asm/cacheflush.h      |   2 +
 arch/ia64/include/asm/device.h          |   3 +
 arch/ia64/include/asm/dma-mapping.h     |  50 +++++++++
 arch/ia64/include/asm/iommu.h           |  16 +++
 arch/ia64/include/asm/machvec.h         |   2 +
 arch/ia64/include/asm/machvec_dig_vtd.h |  38 +++++++
 arch/ia64/include/asm/machvec_init.h    |   1 +
 arch/ia64/include/asm/pci.h             |   3 +
 arch/ia64/include/asm/swiotlb.h         |  56 ++++++++++
 arch/ia64/kernel/Makefile               |   4 +
 arch/ia64/kernel/acpi.c                 |  17 ++++
 arch/ia64/kernel/msi_ia64.c             |  80 +++++++++++++++
 arch/ia64/kernel/pci-dma.c              | 129 ++++++++++++++++++++++++
 arch/ia64/kernel/pci-swiotlb.c          |  46 +++++++++
 arch/ia64/kernel/setup.c                |  42 +++++---
 arch/ia64/lib/flush.S                   |  55 ++++++++++
 23 files changed, 620 insertions(+), 13 deletions(-)
 create mode 100644 arch/ia64/dig/dig_vtd_iommu.c
 create mode 100644 arch/ia64/dig/machvec_vtd.c
 create mode 100644 arch/ia64/include/asm/iommu.h
 create mode 100644 arch/ia64/include/asm/machvec_dig_vtd.h
 create mode 100644 arch/ia64/include/asm/swiotlb.h
 create mode 100644 arch/ia64/kernel/pci-dma.c
 create mode 100644 arch/ia64/kernel/pci-swiotlb.c

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 3b7aa38254a..a924a84df32 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -117,6 +117,7 @@ config IA64_GENERIC
 	select NUMA
 	select ACPI_NUMA
 	select SWIOTLB
+	select PCI_MSI
 	help
 	  This selects the system type of your hardware.  A "generic" kernel
 	  will run on any supported IA-64 system.  However, if you configure
@@ -124,6 +125,7 @@ config IA64_GENERIC
 
 	  generic		For any supported IA-64 system
 	  DIG-compliant		For DIG ("Developer's Interface Guide") compliant systems
+	  DIG+Intel+IOMMU	For DIG systems with Intel IOMMU
 	  HP-zx1/sx1000		For HP systems
 	  HP-zx1/sx1000+swiotlb	For HP systems with (broken) DMA-constrained devices.
 	  SGI-SN2		For SGI Altix systems
@@ -136,6 +138,11 @@ config IA64_DIG
 	bool "DIG-compliant"
 	select SWIOTLB
 
+config IA64_DIG_VTD
+	bool "DIG+Intel+IOMMU"
+	select DMAR
+	select PCI_MSI
+
 config IA64_HP_ZX1
 	bool "HP-zx1/sx1000"
 	help
@@ -581,6 +588,16 @@ source "drivers/pci/hotplug/Kconfig"
 
 source "drivers/pcmcia/Kconfig"
 
+config DMAR
+        bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
+        depends on IA64_GENERIC && ACPI && EXPERIMENTAL
+	help
+	  DMA remapping (DMAR) devices support enables independent address
+	  translations for Direct Memory Access (DMA) from devices.
+	  These DMA remapping devices are reported via ACPI tables
+	  and include PCI device scope covered by these DMA
+	  remapping devices.
+
 endmenu
 
 endif
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 905d25b13d5..04cecee1ed1 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -53,6 +53,7 @@ libs-y				+= arch/ia64/lib/
 core-y				+= arch/ia64/kernel/ arch/ia64/mm/
 core-$(CONFIG_IA32_SUPPORT)	+= arch/ia64/ia32/
 core-$(CONFIG_IA64_DIG) 	+= arch/ia64/dig/
+core-$(CONFIG_IA64_DIG_VTD) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_GENERIC) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index 9f483976228..e05f9e1d3fa 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/arch/ia64/configs/generic_defconfig
@@ -233,6 +233,8 @@ CONFIG_DMIID=y
 CONFIG_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=m
 
+# CONFIG_DMAR is not set
+
 #
 # Power management and ACPI
 #
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index 797acf9066c..c522edf23c6 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -172,6 +172,8 @@ CONFIG_DMIID=y
 CONFIG_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=m
 
+# CONFIG_DMAR is not set
+
 #
 # Power management and ACPI
 #
diff --git a/arch/ia64/dig/Makefile b/arch/ia64/dig/Makefile
index 971cd7870dd..5c0283830bd 100644
--- a/arch/ia64/dig/Makefile
+++ b/arch/ia64/dig/Makefile
@@ -6,4 +6,9 @@
 #
 
 obj-y := setup.o
+ifeq ($(CONFIG_DMAR), y)
+obj-$(CONFIG_IA64_GENERIC) += machvec.o machvec_vtd.o dig_vtd_iommu.o
+else
 obj-$(CONFIG_IA64_GENERIC) += machvec.o
+endif
+obj-$(CONFIG_IA64_DIG_VTD) += dig_vtd_iommu.o
diff --git a/arch/ia64/dig/dig_vtd_iommu.c b/arch/ia64/dig/dig_vtd_iommu.c
new file mode 100644
index 00000000000..1c8a079017a
--- /dev/null
+++ b/arch/ia64/dig/dig_vtd_iommu.c
@@ -0,0 +1,59 @@
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/intel-iommu.h>
+
+void *
+vtd_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+		 gfp_t flags)
+{
+	return intel_alloc_coherent(dev, size, dma_handle, flags);
+}
+EXPORT_SYMBOL_GPL(vtd_alloc_coherent);
+
+void
+vtd_free_coherent(struct device *dev, size_t size, void *vaddr,
+		 dma_addr_t dma_handle)
+{
+	intel_free_coherent(dev, size, vaddr, dma_handle);
+}
+EXPORT_SYMBOL_GPL(vtd_free_coherent);
+
+dma_addr_t
+vtd_map_single_attrs(struct device *dev, void *addr, size_t size,
+		     int dir, struct dma_attrs *attrs)
+{
+	return intel_map_single(dev, (phys_addr_t)addr, size, dir);
+}
+EXPORT_SYMBOL_GPL(vtd_map_single_attrs);
+
+void
+vtd_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size,
+		       int dir, struct dma_attrs *attrs)
+{
+	intel_unmap_single(dev, iova, size, dir);
+}
+EXPORT_SYMBOL_GPL(vtd_unmap_single_attrs);
+
+int
+vtd_map_sg_attrs(struct device *dev, struct scatterlist *sglist, int nents,
+		 int dir, struct dma_attrs *attrs)
+{
+	return intel_map_sg(dev, sglist, nents, dir);
+}
+EXPORT_SYMBOL_GPL(vtd_map_sg_attrs);
+
+void
+vtd_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
+		   int nents, int dir, struct dma_attrs *attrs)
+{
+	intel_unmap_sg(dev, sglist, nents, dir);
+}
+EXPORT_SYMBOL_GPL(vtd_unmap_sg_attrs);
+
+int
+vtd_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return 0;
+}
+EXPORT_SYMBOL_GPL(vtd_dma_mapping_error);
diff --git a/arch/ia64/dig/machvec_vtd.c b/arch/ia64/dig/machvec_vtd.c
new file mode 100644
index 00000000000..7cd3eb471ca
--- /dev/null
+++ b/arch/ia64/dig/machvec_vtd.c
@@ -0,0 +1,3 @@
+#define MACHVEC_PLATFORM_NAME		dig_vtd
+#define MACHVEC_PLATFORM_HEADER		<asm/machvec_dig_vtd.h>
+#include <asm/machvec_init.h>
diff --git a/arch/ia64/include/asm/cacheflush.h b/arch/ia64/include/asm/cacheflush.h
index afcfbda76e2..c8ce2719fee 100644
--- a/arch/ia64/include/asm/cacheflush.h
+++ b/arch/ia64/include/asm/cacheflush.h
@@ -34,6 +34,8 @@ do {						\
 #define flush_dcache_mmap_unlock(mapping)	do { } while (0)
 
 extern void flush_icache_range (unsigned long start, unsigned long end);
+extern void clflush_cache_range(void *addr, int size);
+
 
 #define flush_icache_user_range(vma, page, user_addr, len)					\
 do {												\
diff --git a/arch/ia64/include/asm/device.h b/arch/ia64/include/asm/device.h
index 3db6daf7f25..41ab85d66f3 100644
--- a/arch/ia64/include/asm/device.h
+++ b/arch/ia64/include/asm/device.h
@@ -10,6 +10,9 @@ struct dev_archdata {
 #ifdef CONFIG_ACPI
 	void	*acpi_handle;
 #endif
+#ifdef CONFIG_DMAR
+	void *iommu; /* hook for IOMMU specific extension */
+#endif
 };
 
 #endif /* _ASM_IA64_DEVICE_H */
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index 06ff1ba2146..bbab7e2b0fc 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -7,6 +7,49 @@
  */
 #include <asm/machvec.h>
 #include <linux/scatterlist.h>
+#include <asm/swiotlb.h>
+
+struct dma_mapping_ops {
+	int             (*mapping_error)(struct device *dev,
+					 dma_addr_t dma_addr);
+	void*           (*alloc_coherent)(struct device *dev, size_t size,
+				dma_addr_t *dma_handle, gfp_t gfp);
+	void            (*free_coherent)(struct device *dev, size_t size,
+				void *vaddr, dma_addr_t dma_handle);
+	dma_addr_t      (*map_single)(struct device *hwdev, unsigned long ptr,
+				size_t size, int direction);
+	void            (*unmap_single)(struct device *dev, dma_addr_t addr,
+				size_t size, int direction);
+	void            (*sync_single_for_cpu)(struct device *hwdev,
+				dma_addr_t dma_handle, size_t size,
+				int direction);
+	void            (*sync_single_for_device)(struct device *hwdev,
+				dma_addr_t dma_handle, size_t size,
+				int direction);
+	void            (*sync_single_range_for_cpu)(struct device *hwdev,
+				dma_addr_t dma_handle, unsigned long offset,
+				size_t size, int direction);
+	void            (*sync_single_range_for_device)(struct device *hwdev,
+				dma_addr_t dma_handle, unsigned long offset,
+				size_t size, int direction);
+	void            (*sync_sg_for_cpu)(struct device *hwdev,
+				struct scatterlist *sg, int nelems,
+				int direction);
+	void            (*sync_sg_for_device)(struct device *hwdev,
+				struct scatterlist *sg, int nelems,
+				int direction);
+	int             (*map_sg)(struct device *hwdev, struct scatterlist *sg,
+				int nents, int direction);
+	void            (*unmap_sg)(struct device *hwdev,
+				struct scatterlist *sg, int nents,
+				int direction);
+	int             (*dma_supported_op)(struct device *hwdev, u64 mask);
+	int		is_phys;
+};
+
+extern struct dma_mapping_ops *dma_ops;
+extern struct ia64_machine_vector ia64_mv;
+extern void set_iommu_machvec(void);
 
 #define dma_alloc_coherent(dev, size, handle, gfp)	\
 	platform_dma_alloc_coherent(dev, size, handle, (gfp) | GFP_DMA)
@@ -96,4 +139,11 @@ dma_cache_sync (struct device *dev, void *vaddr, size_t size,
 
 #define dma_is_consistent(d, h)	(1)	/* all we do is coherent memory... */
 
+static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
+{
+	return dma_ops;
+}
+
+
+
 #endif /* _ASM_IA64_DMA_MAPPING_H */
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
new file mode 100644
index 00000000000..5fb2bb93de3
--- /dev/null
+++ b/arch/ia64/include/asm/iommu.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_IA64_IOMMU_H
+#define _ASM_IA64_IOMMU_H 1
+
+#define cpu_has_x2apic 0
+/* 10 seconds */
+#define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10)
+
+extern void pci_iommu_shutdown(void);
+extern void no_iommu_init(void);
+extern int force_iommu, no_iommu;
+extern int iommu_detected;
+extern void iommu_dma_init(void);
+extern void machvec_init(const char *name);
+extern int forbid_dac;
+
+#endif
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 2b850ccafef..ce9b1d05083 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -120,6 +120,8 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
 #  include <asm/machvec_hpsim.h>
 # elif defined (CONFIG_IA64_DIG)
 #  include <asm/machvec_dig.h>
+# elif defined(CONFIG_IA64_DIG_VTD)
+#  include <asm/machvec_dig_vtd.h>
 # elif defined (CONFIG_IA64_HP_ZX1)
 #  include <asm/machvec_hpzx1.h>
 # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
diff --git a/arch/ia64/include/asm/machvec_dig_vtd.h b/arch/ia64/include/asm/machvec_dig_vtd.h
new file mode 100644
index 00000000000..3400b561e71
--- /dev/null
+++ b/arch/ia64/include/asm/machvec_dig_vtd.h
@@ -0,0 +1,38 @@
+#ifndef _ASM_IA64_MACHVEC_DIG_VTD_h
+#define _ASM_IA64_MACHVEC_DIG_VTD_h
+
+extern ia64_mv_setup_t			dig_setup;
+extern ia64_mv_dma_alloc_coherent	vtd_alloc_coherent;
+extern ia64_mv_dma_free_coherent	vtd_free_coherent;
+extern ia64_mv_dma_map_single_attrs	vtd_map_single_attrs;
+extern ia64_mv_dma_unmap_single_attrs	vtd_unmap_single_attrs;
+extern ia64_mv_dma_map_sg_attrs		vtd_map_sg_attrs;
+extern ia64_mv_dma_unmap_sg_attrs	vtd_unmap_sg_attrs;
+extern ia64_mv_dma_supported		iommu_dma_supported;
+extern ia64_mv_dma_mapping_error	vtd_dma_mapping_error;
+extern ia64_mv_dma_init			pci_iommu_alloc;
+
+/*
+ * This stuff has dual use!
+ *
+ * For a generic kernel, the macros are used to initialize the
+ * platform's machvec structure.  When compiling a non-generic kernel,
+ * the macros are used directly.
+ */
+#define platform_name				"dig_vtd"
+#define platform_setup				dig_setup
+#define platform_dma_init			pci_iommu_alloc
+#define platform_dma_alloc_coherent		vtd_alloc_coherent
+#define platform_dma_free_coherent		vtd_free_coherent
+#define platform_dma_map_single_attrs		vtd_map_single_attrs
+#define platform_dma_unmap_single_attrs		vtd_unmap_single_attrs
+#define platform_dma_map_sg_attrs		vtd_map_sg_attrs
+#define platform_dma_unmap_sg_attrs		vtd_unmap_sg_attrs
+#define platform_dma_sync_single_for_cpu	machvec_dma_sync_single
+#define platform_dma_sync_sg_for_cpu		machvec_dma_sync_sg
+#define platform_dma_sync_single_for_device	machvec_dma_sync_single
+#define platform_dma_sync_sg_for_device		machvec_dma_sync_sg
+#define platform_dma_supported			iommu_dma_supported
+#define platform_dma_mapping_error		vtd_dma_mapping_error
+
+#endif /* _ASM_IA64_MACHVEC_DIG_VTD_h */
diff --git a/arch/ia64/include/asm/machvec_init.h b/arch/ia64/include/asm/machvec_init.h
index 7f21249fba3..ef964b28684 100644
--- a/arch/ia64/include/asm/machvec_init.h
+++ b/arch/ia64/include/asm/machvec_init.h
@@ -1,3 +1,4 @@
+#include <asm/iommu.h>
 #include <asm/machvec.h>
 
 extern ia64_mv_send_ipi_t ia64_send_ipi;
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 0149097b736..645ef06ddaa 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -164,4 +164,7 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 	return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14);
 }
 
+#ifdef CONFIG_DMAR
+extern void pci_iommu_alloc(void);
+#endif
 #endif /* _ASM_IA64_PCI_H */
diff --git a/arch/ia64/include/asm/swiotlb.h b/arch/ia64/include/asm/swiotlb.h
new file mode 100644
index 00000000000..fb79423834d
--- /dev/null
+++ b/arch/ia64/include/asm/swiotlb.h
@@ -0,0 +1,56 @@
+#ifndef ASM_IA64__SWIOTLB_H
+#define ASM_IA64__SWIOTLB_H
+
+#include <linux/dma-mapping.h>
+
+/* SWIOTLB interface */
+
+extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr,
+				     size_t size, int dir);
+extern void *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
+				    dma_addr_t *dma_handle, gfp_t flags);
+extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
+				 size_t size, int dir);
+extern void swiotlb_sync_single_for_cpu(struct device *hwdev,
+					dma_addr_t dev_addr,
+					size_t size, int dir);
+extern void swiotlb_sync_single_for_device(struct device *hwdev,
+					   dma_addr_t dev_addr,
+					   size_t size, int dir);
+extern void swiotlb_sync_single_range_for_cpu(struct device *hwdev,
+					      dma_addr_t dev_addr,
+					      unsigned long offset,
+					      size_t size, int dir);
+extern void swiotlb_sync_single_range_for_device(struct device *hwdev,
+						 dma_addr_t dev_addr,
+						 unsigned long offset,
+						 size_t size, int dir);
+extern void swiotlb_sync_sg_for_cpu(struct device *hwdev,
+				    struct scatterlist *sg, int nelems,
+				    int dir);
+extern void swiotlb_sync_sg_for_device(struct device *hwdev,
+				       struct scatterlist *sg, int nelems,
+				       int dir);
+extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg,
+			  int nents, int direction);
+extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
+			     int nents, int direction);
+extern int swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
+extern void swiotlb_free_coherent(struct device *hwdev, size_t size,
+				  void *vaddr, dma_addr_t dma_handle);
+extern int swiotlb_dma_supported(struct device *hwdev, u64 mask);
+extern void swiotlb_init(void);
+
+extern int swiotlb_force;
+
+#ifdef CONFIG_SWIOTLB
+extern int swiotlb;
+extern void pci_swiotlb_init(void);
+#else
+#define swiotlb 0
+static inline void pci_swiotlb_init(void)
+{
+}
+#endif
+
+#endif /* ASM_IA64__SWIOTLB_H */
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 87fea11aecb..af0e750705e 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -42,6 +42,10 @@ obj-$(CONFIG_IA64_ESI)		+= esi.o
 ifneq ($(CONFIG_IA64_ESI),)
 obj-y				+= esi_stub.o	# must be in kernel proper
 endif
+obj-$(CONFIG_DMAR)		+= pci-dma.o
+ifeq ($(CONFIG_DMAR), y)
+obj-$(CONFIG_SWIOTLB)		+= pci-swiotlb.o
+endif
 
 # The gate DSO image is built using a special linker script.
 targets += gate.so gate-syms.o
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 5d1eb7ee2bf..8cc2f8a610c 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -91,6 +91,9 @@ acpi_get_sysname(void)
 	struct acpi_table_rsdp *rsdp;
 	struct acpi_table_xsdt *xsdt;
 	struct acpi_table_header *hdr;
+#ifdef CONFIG_DMAR
+	u64 i, nentries;
+#endif
 
 	rsdp_phys = acpi_find_rsdp();
 	if (!rsdp_phys) {
@@ -123,6 +126,18 @@ acpi_get_sysname(void)
 			return "sn2";
 	}
 
+#ifdef CONFIG_DMAR
+	/* Look for Intel IOMMU */
+	nentries = (hdr->length - sizeof(*hdr)) /
+			 sizeof(xsdt->table_offset_entry[0]);
+	for (i = 0; i < nentries; i++) {
+		hdr = __va(xsdt->table_offset_entry[i]);
+		if (strncmp(hdr->signature, ACPI_SIG_DMAR,
+			sizeof(ACPI_SIG_DMAR) - 1) == 0)
+			return "dig_vtd";
+	}
+#endif
+
 	return "dig";
 #else
 # if defined (CONFIG_IA64_HP_SIM)
@@ -137,6 +152,8 @@ acpi_get_sysname(void)
 	return "uv";
 # elif defined (CONFIG_IA64_DIG)
 	return "dig";
+# elif defined(CONFIG_IA64_DIG_VTD)
+	return "dig_vtd";
 # else
 #	error Unknown platform.  Fix acpi.c.
 # endif
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 60c6ef67ebb..702a09c1323 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -5,6 +5,7 @@
 #include <linux/pci.h>
 #include <linux/irq.h>
 #include <linux/msi.h>
+#include <linux/dmar.h>
 #include <asm/smp.h>
 
 /*
@@ -162,3 +163,82 @@ void arch_teardown_msi_irq(unsigned int irq)
 
 	return ia64_teardown_msi_irq(irq);
 }
+
+#ifdef CONFIG_DMAR
+#ifdef CONFIG_SMP
+static void dmar_msi_set_affinity(unsigned int irq, cpumask_t mask)
+{
+	struct irq_cfg *cfg = irq_cfg + irq;
+	struct msi_msg msg;
+	int cpu = first_cpu(mask);
+
+
+	if (!cpu_online(cpu))
+		return;
+
+	if (irq_prepare_move(irq, cpu))
+		return;
+
+	dmar_msi_read(irq, &msg);
+
+	msg.data &= ~MSI_DATA_VECTOR_MASK;
+	msg.data |= MSI_DATA_VECTOR(cfg->vector);
+	msg.address_lo &= ~MSI_ADDR_DESTID_MASK;
+	msg.address_lo |= MSI_ADDR_DESTID_CPU(cpu_physical_id(cpu));
+
+	dmar_msi_write(irq, &msg);
+	irq_desc[irq].affinity = mask;
+}
+#endif /* CONFIG_SMP */
+
+struct irq_chip dmar_msi_type = {
+	.name = "DMAR_MSI",
+	.unmask = dmar_msi_unmask,
+	.mask = dmar_msi_mask,
+	.ack = ia64_ack_msi_irq,
+#ifdef CONFIG_SMP
+	.set_affinity = dmar_msi_set_affinity,
+#endif
+	.retrigger = ia64_msi_retrigger_irq,
+};
+
+static int
+msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
+{
+	struct irq_cfg *cfg = irq_cfg + irq;
+	unsigned dest;
+	cpumask_t mask;
+
+	cpus_and(mask, irq_to_domain(irq), cpu_online_map);
+	dest = cpu_physical_id(first_cpu(mask));
+
+	msg->address_hi = 0;
+	msg->address_lo =
+		MSI_ADDR_HEADER |
+		MSI_ADDR_DESTMODE_PHYS |
+		MSI_ADDR_REDIRECTION_CPU |
+		MSI_ADDR_DESTID_CPU(dest);
+
+	msg->data =
+		MSI_DATA_TRIGGER_EDGE |
+		MSI_DATA_LEVEL_ASSERT |
+		MSI_DATA_DELIVERY_FIXED |
+		MSI_DATA_VECTOR(cfg->vector);
+	return 0;
+}
+
+int arch_setup_dmar_msi(unsigned int irq)
+{
+	int ret;
+	struct msi_msg msg;
+
+	ret = msi_compose_msg(NULL, irq, &msg);
+	if (ret < 0)
+		return ret;
+	dmar_msi_write(irq, &msg);
+	set_irq_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq,
+		"edge");
+	return 0;
+}
+#endif /* CONFIG_DMAR */
+
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
new file mode 100644
index 00000000000..10a75b55765
--- /dev/null
+++ b/arch/ia64/kernel/pci-dma.c
@@ -0,0 +1,129 @@
+/*
+ * Dynamic DMA mapping support.
+ */
+
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/dmar.h>
+#include <asm/iommu.h>
+#include <asm/machvec.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/machvec.h>
+#include <asm/system.h>
+
+#ifdef CONFIG_DMAR
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+#include <asm/page.h>
+#include <asm/iommu.h>
+
+dma_addr_t bad_dma_address __read_mostly;
+EXPORT_SYMBOL(bad_dma_address);
+
+static int iommu_sac_force __read_mostly;
+
+int no_iommu __read_mostly;
+#ifdef CONFIG_IOMMU_DEBUG
+int force_iommu __read_mostly = 1;
+#else
+int force_iommu __read_mostly;
+#endif
+
+/* Set this to 1 if there is a HW IOMMU in the system */
+int iommu_detected __read_mostly;
+
+/* Dummy device used for NULL arguments (normally ISA). Better would
+   be probably a smaller DMA mask, but this is bug-to-bug compatible
+   to i386. */
+struct device fallback_dev = {
+	.bus_id = "fallback device",
+	.coherent_dma_mask = DMA_32BIT_MASK,
+	.dma_mask = &fallback_dev.coherent_dma_mask,
+};
+
+void __init pci_iommu_alloc(void)
+{
+	/*
+	 * The order of these functions is important for
+	 * fall-back/fail-over reasons
+	 */
+	detect_intel_iommu();
+
+#ifdef CONFIG_SWIOTLB
+	pci_swiotlb_init();
+#endif
+}
+
+static int __init pci_iommu_init(void)
+{
+	if (iommu_detected)
+		intel_iommu_init();
+
+	return 0;
+}
+
+/* Must execute after PCI subsystem */
+fs_initcall(pci_iommu_init);
+
+void pci_iommu_shutdown(void)
+{
+	return;
+}
+
+void __init
+iommu_dma_init(void)
+{
+	return;
+}
+
+struct dma_mapping_ops *dma_ops;
+EXPORT_SYMBOL(dma_ops);
+
+int iommu_dma_supported(struct device *dev, u64 mask)
+{
+	struct dma_mapping_ops *ops = get_dma_ops(dev);
+
+#ifdef CONFIG_PCI
+	if (mask > 0xffffffff && forbid_dac > 0) {
+		dev_info(dev, "Disallowing DAC for device\n");
+		return 0;
+	}
+#endif
+
+	if (ops->dma_supported_op)
+		return ops->dma_supported_op(dev, mask);
+
+	/* Copied from i386. Doesn't make much sense, because it will
+	   only work for pci_alloc_coherent.
+	   The caller just has to use GFP_DMA in this case. */
+	if (mask < DMA_24BIT_MASK)
+		return 0;
+
+	/* Tell the device to use SAC when IOMMU force is on.  This
+	   allows the driver to use cheaper accesses in some cases.
+
+	   Problem with this is that if we overflow the IOMMU area and
+	   return DAC as fallback address the device may not handle it
+	   correctly.
+
+	   As a special case some controllers have a 39bit address
+	   mode that is as efficient as 32bit (aic79xx). Don't force
+	   SAC for these.  Assume all masks <= 40 bits are of this
+	   type. Normally this doesn't make any difference, but gives
+	   more gentle handling of IOMMU overflow. */
+	if (iommu_sac_force && (mask >= DMA_40BIT_MASK)) {
+		dev_info(dev, "Force SAC with mask %lx\n", mask);
+		return 0;
+	}
+
+	return 1;
+}
+EXPORT_SYMBOL(iommu_dma_supported);
+
+#endif
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
new file mode 100644
index 00000000000..16c50516dbc
--- /dev/null
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -0,0 +1,46 @@
+/* Glue code to lib/swiotlb.c */
+
+#include <linux/pci.h>
+#include <linux/cache.h>
+#include <linux/module.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/swiotlb.h>
+#include <asm/dma.h>
+#include <asm/iommu.h>
+#include <asm/machvec.h>
+
+int swiotlb __read_mostly;
+EXPORT_SYMBOL(swiotlb);
+
+struct dma_mapping_ops swiotlb_dma_ops = {
+	.mapping_error = swiotlb_dma_mapping_error,
+	.alloc_coherent = swiotlb_alloc_coherent,
+	.free_coherent = swiotlb_free_coherent,
+	.map_single = swiotlb_map_single,
+	.unmap_single = swiotlb_unmap_single,
+	.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
+	.sync_single_for_device = swiotlb_sync_single_for_device,
+	.sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
+	.sync_single_range_for_device = swiotlb_sync_single_range_for_device,
+	.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
+	.sync_sg_for_device = swiotlb_sync_sg_for_device,
+	.map_sg = swiotlb_map_sg,
+	.unmap_sg = swiotlb_unmap_sg,
+	.dma_supported_op = swiotlb_dma_supported,
+};
+
+void __init pci_swiotlb_init(void)
+{
+	if (!iommu_detected) {
+#ifdef CONFIG_IA64_GENERIC
+		swiotlb = 1;
+		printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
+		machvec_init("dig");
+		swiotlb_init();
+		dma_ops = &swiotlb_dma_ops;
+#else
+		panic("Unable to find Intel IOMMU");
+#endif
+	}
+}
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index de636b21567..2a67a74a48f 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -116,6 +116,13 @@ unsigned int num_io_spaces;
  */
 #define	I_CACHE_STRIDE_SHIFT	5	/* Safest way to go: 32 bytes by 32 bytes */
 unsigned long ia64_i_cache_stride_shift = ~0;
+/*
+ * "clflush_cache_range()" needs to know what processor dependent stride size to
+ * use when it flushes cache lines including both d-cache and i-cache.
+ */
+/* Safest way to go: 32 bytes by 32 bytes */
+#define	CACHE_STRIDE_SHIFT	5
+unsigned long ia64_cache_stride_shift = ~0;
 
 /*
  * The merge_mask variable needs to be set to (max(iommu_page_size(iommu)) - 1).  This
@@ -847,13 +854,14 @@ setup_per_cpu_areas (void)
 }
 
 /*
- * Calculate the max. cache line size.
+ * Do the following calculations:
  *
- * In addition, the minimum of the i-cache stride sizes is calculated for
- * "flush_icache_range()".
+ * 1. the max. cache line size.
+ * 2. the minimum of the i-cache stride sizes for "flush_icache_range()".
+ * 3. the minimum of the cache stride sizes for "clflush_cache_range()".
  */
 static void __cpuinit
-get_max_cacheline_size (void)
+get_cache_info(void)
 {
 	unsigned long line_size, max = 1;
 	u64 l, levels, unique_caches;
@@ -867,12 +875,14 @@ get_max_cacheline_size (void)
                 max = SMP_CACHE_BYTES;
 		/* Safest setup for "flush_icache_range()" */
 		ia64_i_cache_stride_shift = I_CACHE_STRIDE_SHIFT;
+		/* Safest setup for "clflush_cache_range()" */
+		ia64_cache_stride_shift = CACHE_STRIDE_SHIFT;
 		goto out;
         }
 
 	for (l = 0; l < levels; ++l) {
-		status = ia64_pal_cache_config_info(l, /* cache_type (data_or_unified)= */ 2,
-						    &cci);
+		/* cache_type (data_or_unified)=2 */
+		status = ia64_pal_cache_config_info(l, 2, &cci);
 		if (status != 0) {
 			printk(KERN_ERR
 			       "%s: ia64_pal_cache_config_info(l=%lu, 2) failed (status=%ld)\n",
@@ -880,15 +890,21 @@ get_max_cacheline_size (void)
 			max = SMP_CACHE_BYTES;
 			/* The safest setup for "flush_icache_range()" */
 			cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+			/* The safest setup for "clflush_cache_range()" */
+			ia64_cache_stride_shift = CACHE_STRIDE_SHIFT;
 			cci.pcci_unified = 1;
+		} else {
+			if (cci.pcci_stride < ia64_cache_stride_shift)
+				ia64_cache_stride_shift = cci.pcci_stride;
+
+			line_size = 1 << cci.pcci_line_size;
+			if (line_size > max)
+				max = line_size;
 		}
-		line_size = 1 << cci.pcci_line_size;
-		if (line_size > max)
-			max = line_size;
+
 		if (!cci.pcci_unified) {
-			status = ia64_pal_cache_config_info(l,
-						    /* cache_type (instruction)= */ 1,
-						    &cci);
+			/* cache_type (instruction)=1*/
+			status = ia64_pal_cache_config_info(l, 1, &cci);
 			if (status != 0) {
 				printk(KERN_ERR
 				"%s: ia64_pal_cache_config_info(l=%lu, 1) failed (status=%ld)\n",
@@ -942,7 +958,7 @@ cpu_init (void)
 	}
 #endif
 
-	get_max_cacheline_size();
+	get_cache_info();
 
 	/*
 	 * We can't pass "local_cpu_data" to identify_cpu() because we haven't called
diff --git a/arch/ia64/lib/flush.S b/arch/ia64/lib/flush.S
index 2a0d27f2f21..1d8c8886006 100644
--- a/arch/ia64/lib/flush.S
+++ b/arch/ia64/lib/flush.S
@@ -60,3 +60,58 @@ GLOBAL_ENTRY(flush_icache_range)
 	mov	ar.lc=r3		// restore ar.lc
 	br.ret.sptk.many rp
 END(flush_icache_range)
+
+	/*
+	 * clflush_cache_range(start,size)
+	 *
+	 *	Flush cache lines from start to start+size-1.
+	 *
+	 *	Must deal with range from start to start+size-1 but nothing else
+	 *	(need to be careful not to touch addresses that may be
+	 *	unmapped).
+	 *
+	 *	Note: "in0" and "in1" are preserved for debugging purposes.
+	 */
+	.section .kprobes.text,"ax"
+GLOBAL_ENTRY(clflush_cache_range)
+
+	.prologue
+	alloc	r2=ar.pfs,2,0,0,0
+	movl	r3=ia64_cache_stride_shift
+	mov	r21=1
+	add     r22=in1,in0
+	;;
+	ld8	r20=[r3]		// r20: stride shift
+	sub	r22=r22,r0,1		// last byte address
+	;;
+	shr.u	r23=in0,r20		// start / (stride size)
+	shr.u	r22=r22,r20		// (last byte address) / (stride size)
+	shl	r21=r21,r20		// r21: stride size of the i-cache(s)
+	;;
+	sub	r8=r22,r23		// number of strides - 1
+	shl	r24=r23,r20		// r24: addresses for "fc" =
+					//	"start" rounded down to stride
+					//	boundary
+	.save	ar.lc,r3
+	mov	r3=ar.lc		// save ar.lc
+	;;
+
+	.body
+	mov	ar.lc=r8
+	;;
+	/*
+	 * 32 byte aligned loop, even number of (actually 2) bundles
+	 */
+.Loop_fc:
+	fc	r24		// issuable on M0 only
+	add	r24=r21,r24	// we flush "stride size" bytes per iteration
+	nop.i	0
+	br.cloop.sptk.few .Loop_fc
+	;;
+	sync.i
+	;;
+	srlz.i
+	;;
+	mov	ar.lc=r3		// restore ar.lc
+	br.ret.sptk.many rp
+END(clflush_cache_range)
-- 
GitLab


From 9f3541ed2cc5e74a4ace7052701055dedbe46938 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 1 Sep 2008 18:16:52 +0200
Subject: [PATCH 1012/2224] [IA64] remove sys32_pause

It's just a duplicate of the native sys_pause, which we can use after
defining __ARCH_WANT_SYS_PAUSE.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/ia32/ia32_entry.S    | 2 +-
 arch/ia64/ia32/sys_ia32.c      | 8 --------
 arch/ia64/include/asm/unistd.h | 1 +
 3 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index 53505bb0477..fa984430561 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -202,7 +202,7 @@ ia32_syscall_table:
 	data8 sys32_ptrace
 	data8 sys32_alarm
 	data8 sys_ni_syscall
-	data8 sys32_pause
+	data8 sys_pause
 	data8 compat_sys_utime	  /* 30 */
 	data8 sys_ni_syscall	  /* old stty syscall holder */
 	data8 sys_ni_syscall	  /* old gtty syscall holder */
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index f4430bb4bbd..0fd06b471bc 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1703,14 +1703,6 @@ out:
 	return ret;
 }
 
-asmlinkage int
-sys32_pause (void)
-{
-	current->state = TASK_INTERRUPTIBLE;
-	schedule();
-	return -ERESTARTNOHAND;
-}
-
 asmlinkage int
 sys32_msync (unsigned int start, unsigned int len, int flags)
 {
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index d535833aab5..f791576355a 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -337,6 +337,7 @@
 # define __ARCH_WANT_SYS_NICE
 # define __ARCH_WANT_SYS_OLD_GETRLIMIT
 # define __ARCH_WANT_SYS_OLDUMOUNT
+# define __ARCH_WANT_SYS_PAUSE
 # define __ARCH_WANT_SYS_SIGPENDING
 # define __ARCH_WANT_SYS_SIGPROCMASK
 # define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
-- 
GitLab


From 0f32dc9dc2cfe3e4608fd5cf7afa5d2acb6e3c10 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 1 Sep 2008 18:18:10 +0200
Subject: [PATCH 1013/2224] [IA64] kill sys32_pipe

It's just a duplicate of the generic sys_pipe that still lacks the
recently added error handling.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/ia32/ia32_entry.S |  2 +-
 arch/ia64/ia32/sys_ia32.c   | 15 ---------------
 2 files changed, 1 insertion(+), 16 deletions(-)

diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index fa984430561..82a7a0bc5d2 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -215,7 +215,7 @@ ia32_syscall_table:
 	data8 sys_mkdir
 	data8 sys_rmdir		  /* 40 */
 	data8 sys_dup
-	data8 sys32_pipe
+	data8 sys_pipe
 	data8 compat_sys_times
 	data8 sys_ni_syscall	  /* old prof syscall holder */
 	data8 sys32_brk		  /* 45 */
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 0fd06b471bc..800a7174a5c 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1098,21 +1098,6 @@ sys32_mremap (unsigned int addr, unsigned int old_len, unsigned int new_len,
 	return ret;
 }
 
-asmlinkage long
-sys32_pipe (int __user *fd)
-{
-	int retval;
-	int fds[2];
-
-	retval = do_pipe_flags(fds, 0);
-	if (retval)
-		goto out;
-	if (copy_to_user(fd, fds, sizeof(fds)))
-		retval = -EFAULT;
-  out:
-	return retval;
-}
-
 asmlinkage unsigned long
 sys32_alarm (unsigned int seconds)
 {
-- 
GitLab


From 2e668962a54b64f3daffb8eef3ca538e25324d1a Mon Sep 17 00:00:00 2001
From: Ian Armstrong <ian@iarmst.demon.co.uk>
Date: Sat, 11 Oct 2008 06:39:05 -0300
Subject: [PATCH 1014/2224] V4L/DVB (9190): ivtv: yuv write() error handling
 tweak

Modifies behaviour of a failed dma write() operation for the yuv device.
If the dma transfer for the yuv device fails, the write() operation will now
exit immediately.

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ivtv/ivtv-fileops.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c
index b7457fc60ba..1c404e454a3 100644
--- a/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/drivers/media/video/ivtv/ivtv-fileops.c
@@ -600,13 +600,14 @@ retry:
 	since we may get here before the stream has been fully set-up */
 	if (mode == OUT_YUV && s->q_full.length == 0 && itv->dma_data_req_size) {
 		while (count >= itv->dma_data_req_size) {
-			if (!ivtv_yuv_udma_stream_frame (itv, (void __user *)user_buf)) {
-				bytes_written += itv->dma_data_req_size;
-				user_buf += itv->dma_data_req_size;
-				count -= itv->dma_data_req_size;
-			} else {
-				break;
-			}
+			rc = ivtv_yuv_udma_stream_frame(itv, (void __user *)user_buf);
+
+			if (rc < 0)
+				return rc;
+
+			bytes_written += itv->dma_data_req_size;
+			user_buf += itv->dma_data_req_size;
+			count -= itv->dma_data_req_size;
 		}
 		if (count == 0) {
 			IVTV_DEBUG_HI_FILE("Wrote %d bytes to %s (%d)\n", bytes_written, s->name, s->q_full.bytesused);
-- 
GitLab


From 962d699e5d12952c43d7316bc72a527a8aa134b7 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sat, 11 Oct 2008 09:00:39 -0300
Subject: [PATCH 1015/2224] V4L/DVB (9191): ivtv: partially revert an earlier
 patch that checks the max image height

Ian Armstrong pointed out to me that it is perfectly valid to have a
576 lines YUV video with NTSC output in this particular case. In fact,
without this the X driver for ivtv does not function properly.

Reverted my earlier change that restrictred the height to 480 for NTSC
and add the comments provided by Ian to explain what is happening here.

Thanks-to: Ian Armstrong <ian@iarmst.co.uk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ivtv/ivtv-ioctl.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 8696527ab13..208fb54842f 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -509,7 +509,6 @@ static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_
 static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
 {
 	struct ivtv_open_id *id = fh;
-	struct ivtv *itv = id->itv;
 	s32 w = fmt->fmt.pix.width;
 	s32 h = fmt->fmt.pix.height;
 	int field = fmt->fmt.pix.field;
@@ -517,7 +516,22 @@ static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format
 
 	w = min(w, 720);
 	w = max(w, 2);
-	h = min(h, itv->is_out_50hz ? 576 : 480);
+	/* Why can the height be 576 even when the output is NTSC?
+
+	   Internally the buffers of the PVR350 are always set to 720x576. The
+	   decoded video frame will always be placed in the top left corner of
+	   this buffer. For any video which is not 720x576, the buffer will
+	   then be cropped to remove the unused right and lower areas, with
+	   the remaining image being scaled by the hardware to fit the display
+	   area. The video can be scaled both up and down, so a 720x480 video
+	   can be displayed full-screen on PAL and a 720x576 video can be
+	   displayed without cropping on NTSC.
+
+	   Note that the scaling only occurs on the video stream, the osd
+	   resolution is locked to the broadcast standard and not scaled.
+
+	   Thanks to Ian Armstrong for this explanation. */
+	h = min(h, 576);
 	h = max(h, 2);
 	if (id->type == IVTV_DEC_STREAM_TYPE_YUV)
 		fmt->fmt.pix.field = field;
-- 
GitLab


From 081d868faeb7acdd655c28607f84e797240bd035 Mon Sep 17 00:00:00 2001
From: David Ellingsworth <david@identd.dyndns.org>
Date: Mon, 13 Oct 2008 17:54:52 -0300
Subject: [PATCH 1016/2224] V4L/DVB (9193): stk-webcam: minor cleanup

This patch:
1) removes the unnecessary kref.h include file
2) removes unnecessary pointer validation from read and poll routines.
(Neither poll nor read may be called unless a call to open succeeds. A
successful call to open will always set the file private_data pointer.
Verifying that it is not null is therefore unnecessary. The associated
release and mmap calls currently ignore this check.)
3) adds a space to syslog output.
4) removes an unused function prototype.

Signed-off-by: David Ellingsworth <david@identd.dyndns.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/stk-webcam.c | 9 +--------
 drivers/media/video/stk-webcam.h | 1 -
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index db69bc5556d..f1d5b3eaa19 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -27,7 +27,6 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/slab.h>
-#include <linux/kref.h>
 
 #include <linux/usb.h>
 #include <linux/mm.h>
@@ -714,9 +713,6 @@ static ssize_t v4l_stk_read(struct file *fp, char __user *buf,
 	struct stk_sio_buffer *sbuf;
 	struct stk_camera *dev = fp->private_data;
 
-	if (dev == NULL)
-		return -EIO;
-
 	if (!is_present(dev))
 		return -EIO;
 	if (dev->owner && dev->owner != fp)
@@ -773,9 +769,6 @@ static unsigned int v4l_stk_poll(struct file *fp, poll_table *wait)
 {
 	struct stk_camera *dev = fp->private_data;
 
-	if (dev == NULL)
-		return -ENODEV;
-
 	poll_wait(fp, &dev->wait_frame, wait);
 
 	if (!is_present(dev))
@@ -1436,7 +1429,7 @@ static void stk_camera_disconnect(struct usb_interface *interface)
 	wake_up_interruptible(&dev->wait_frame);
 	stk_remove_sysfs_files(&dev->vdev);
 
-	STK_INFO("Syntek USB2.0 Camera release resources"
+	STK_INFO("Syntek USB2.0 Camera release resources "
 		"video device /dev/video%d\n", dev->vdev.minor);
 
 	video_unregister_device(&dev->vdev);
diff --git a/drivers/media/video/stk-webcam.h b/drivers/media/video/stk-webcam.h
index 084a85bdd16..9f673663757 100644
--- a/drivers/media/video/stk-webcam.h
+++ b/drivers/media/video/stk-webcam.h
@@ -122,7 +122,6 @@ struct stk_camera {
 
 #define vdev_to_camera(d) container_of(d, struct stk_camera, vdev)
 
-void stk_camera_delete(struct kref *);
 int stk_camera_write_reg(struct stk_camera *, u16, u8);
 int stk_camera_read_reg(struct stk_camera *, u16, int *);
 
-- 
GitLab


From f051ae1866e67567b4f33371969dee9cdddb34ed Mon Sep 17 00:00:00 2001
From: David Ellingsworth <david@identd.dyndns.org>
Date: Mon, 13 Oct 2008 22:31:15 -0300
Subject: [PATCH 1017/2224] V4L/DVB (9194): stk-webcam: fix crash on close
 after disconnect

This patch prevents stk-webcam from updating usb device information
once the camera has been removed. This prevents a crash that would
otherwise occur if the camera is disconnected while it is still in
use.

Signed-off-by: David Ellingsworth <david@identd.dyndns.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/stk-webcam.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index f1d5b3eaa19..edaea496451 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -559,7 +559,7 @@ static void stk_clean_iso(struct stk_camera *dev)
 
 		urb = dev->isobufs[i].urb;
 		if (urb) {
-			if (atomic_read(&dev->urbs_used))
+			if (atomic_read(&dev->urbs_used) && is_present(dev))
 				usb_kill_urb(urb);
 			usb_free_urb(urb);
 		}
@@ -688,18 +688,14 @@ static int v4l_stk_release(struct inode *inode, struct file *fp)
 {
 	struct stk_camera *dev = fp->private_data;
 
-	if (dev->owner != fp) {
-		usb_autopm_put_interface(dev->interface);
-		return 0;
+	if (dev->owner == fp) {
+		stk_stop_stream(dev);
+		stk_free_buffers(dev);
+		dev->owner = NULL;
 	}
 
-	stk_stop_stream(dev);
-
-	stk_free_buffers(dev);
-
-	dev->owner = NULL;
-
-	usb_autopm_put_interface(dev->interface);
+	if(is_present(dev))
+		usb_autopm_put_interface(dev->interface);
 
 	return 0;
 }
-- 
GitLab


From 97854829b97093ae172144a2597fc49ea203dcf3 Mon Sep 17 00:00:00 2001
From: Manu Abraham <abraham.manu@gmail.com>
Date: Tue, 14 Oct 2008 19:48:07 -0300
Subject: [PATCH 1018/2224] V4L/DVB (9195): Frontend API Fix: 32APSK is a valid
 modulation for the DVB-S2 delivery

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c | 1 +
 include/linux/dvb/frontend.h              | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index f170e822fad..72ce7935f25 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1063,6 +1063,7 @@ void dtv_property_adv_params_sync(struct dvb_frontend *fe)
 	switch(c->modulation) {
 	case PSK_8:
 	case APSK_16:
+	case APSK_32:
 	case QPSK:
 		p->u.qpsk.symbol_rate = c->symbol_rate;
 		p->u.qpsk.fec_inner = c->fec_inner;
diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
index 6e4ace27027..38942f731b9 100644
--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -166,6 +166,7 @@ typedef enum fe_modulation {
 	VSB_16,
 	PSK_8,
 	APSK_16,
+	APSK_32,
 	DQPSK,
 } fe_modulation_t;
 
-- 
GitLab


From 5ba4ecc8b0166de4363cc31aa68d52abe0dff8de Mon Sep 17 00:00:00 2001
From: Manu Abraham <abraham.manu@gmail.com>
Date: Tue, 14 Oct 2008 19:50:03 -0300
Subject: [PATCH 1019/2224] V4L/DVB (9196): Add support for DSS delivery

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/linux/dvb/frontend.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
index 38942f731b9..79a8ed8e6a7 100644
--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -296,6 +296,7 @@ typedef enum fe_delivery_system {
 	SYS_DVBC_ANNEX_AC,
 	SYS_DVBC_ANNEX_B,
 	SYS_DVBT,
+	SYS_DSS,
 	SYS_DVBS,
 	SYS_DVBS2,
 	SYS_DVBH,
-- 
GitLab


From 54c776a5bccf5b8c92ecdb480561df05e784128b Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Mon, 13 Oct 2008 07:28:39 -0300
Subject: [PATCH 1020/2224] V4L/DVB (9197): zoran: set adapter class to
 I2C_CLASS_TV_ANALOG

The adapter class of the zoran driver was never set. However, converting
i2c drivers used by zoran to the new i2c API requires this field to be
correct.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/zoran/zoran_card.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c
index 3282be73029..fa5f2f8f518 100644
--- a/drivers/media/video/zoran/zoran_card.c
+++ b/drivers/media/video/zoran/zoran_card.c
@@ -817,6 +817,7 @@ zoran_register_i2c (struct zoran *zr)
 	memcpy(&zr->i2c_algo, &zoran_i2c_bit_data_template,
 	       sizeof(struct i2c_algo_bit_data));
 	zr->i2c_algo.data = zr;
+	zr->i2c_adapter.class = I2C_CLASS_TV_ANALOG;
 	zr->i2c_adapter.id = I2C_HW_B_ZR36067;
 	zr->i2c_adapter.client_register = zoran_i2c_client_register;
 	zr->i2c_adapter.client_unregister = zoran_i2c_client_unregister;
-- 
GitLab


From b9a21f84bc0ac39fc0b959b40aa27b2f66af243c Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 07:58:20 -0300
Subject: [PATCH 1021/2224] V4L/DVB (9198): adv7170: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/adv7170.c | 251 ++++++++--------------------------
 1 file changed, 57 insertions(+), 194 deletions(-)

diff --git a/drivers/media/video/adv7170.c b/drivers/media/video/adv7170.c
index f794f2dbfb3..e0eb4f32144 100644
--- a/drivers/media/video/adv7170.c
+++ b/drivers/media/video/adv7170.c
@@ -29,43 +29,24 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
 #include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <linux/video_encoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Analog Devices ADV7170 video encoder driver");
 MODULE_AUTHOR("Maxim Yevtyushkin");
 MODULE_LICENSE("GPL");
 
-
-#define I2C_NAME(x) (x)->name
-
-
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 /* ----------------------------------------------------------------------- */
 
 struct adv7170 {
@@ -80,21 +61,12 @@ struct adv7170 {
 	int sat;
 };
 
-#define   I2C_ADV7170        0xd4
-#define   I2C_ADV7171        0x54
-
-static char adv7170_name[] = "adv7170";
-static char adv7171_name[] = "adv7171";
-
 static char *inputs[] = { "pass_through", "play_back" };
 static char *norms[] = { "PAL", "NTSC" };
 
 /* ----------------------------------------------------------------------- */
 
-static inline int
-adv7170_write (struct i2c_client *client,
-	       u8                 reg,
-	       u8                 value)
+static inline int adv7170_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct adv7170 *encoder = i2c_get_clientdata(client);
 
@@ -102,17 +74,13 @@ adv7170_write (struct i2c_client *client,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static inline int
-adv7170_read (struct i2c_client *client,
-	      u8                 reg)
+static inline int adv7170_read(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
 }
 
-static int
-adv7170_write_block (struct i2c_client *client,
-		     const u8          *data,
-		     unsigned int       len)
+static int adv7170_write_block(struct i2c_client *client,
+		     const u8 *data, unsigned int len)
 {
 	int ret = -1;
 	u8 reg;
@@ -133,33 +101,25 @@ adv7170_write_block (struct i2c_client *client,
 				    encoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
-			} while (len >= 2 && data[0] == reg &&
-				 block_len < 32);
-			if ((ret = i2c_master_send(client, block_data,
-						   block_len)) < 0)
+			} while (len >= 2 && data[0] == reg && block_len < 32);
+			ret = i2c_master_send(client, block_data, block_len);
+			if (ret < 0)
 				break;
 		}
 	} else {
 		/* do some slow I2C emulation kind of thing */
 		while (len >= 2) {
 			reg = *data++;
-			if ((ret = adv7170_write(client, reg,
-						 *data++)) < 0)
+			ret = adv7170_write(client, reg, *data++);
+			if (ret < 0)
 				break;
 			len -= 2;
 		}
 	}
-
 	return ret;
 }
 
 /* ----------------------------------------------------------------------- */
-// Output filter:  S-Video  Composite
-
-#define MR050       0x11	//0x09
-#define MR060       0x14	//0x0c
-
-//---------------------------------------------------------------------------
 
 #define TR0MODE     0x4c
 #define TR0RST	    0x80
@@ -167,7 +127,6 @@ adv7170_write_block (struct i2c_client *client,
 #define TR1CAPT	    0x00
 #define TR1PLAY	    0x00
 
-
 static const unsigned char init_NTSC[] = {
 	0x00, 0x10,		// MR0
 	0x01, 0x20,		// MR1
@@ -227,15 +186,11 @@ static const unsigned char init_PAL[] = {
 };
 
 
-static int
-adv7170_command (struct i2c_client *client,
-		 unsigned int       cmd,
-		 void *             arg)
+static int adv7170_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct adv7170 *encoder = i2c_get_clientdata(client);
 
 	switch (cmd) {
-
 	case 0:
 #if 0
 		/* This is just for testing!!! */
@@ -254,18 +209,16 @@ adv7170_command (struct i2c_client *client,
 			     VIDEO_ENCODER_NTSC;
 		cap->inputs = 2;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case ENCODER_SET_NORM:
 	{
 		int iarg = *(int *) arg;
 
-		dprintk(1, KERN_DEBUG "%s_command: set norm %d",
-			I2C_NAME(client), iarg);
+		v4l_dbg(1, debug, client, "set norm %d\n", iarg);
 
 		switch (iarg) {
-
 		case VIDEO_MODE_NTSC:
 			adv7170_write_block(client, init_NTSC,
 					    sizeof(init_NTSC));
@@ -285,16 +238,13 @@ adv7170_command (struct i2c_client *client,
 			break;
 
 		default:
-			dprintk(1, KERN_ERR "%s: illegal norm: %d\n",
-			       I2C_NAME(client), iarg);
+			v4l_dbg(1, debug, client, "illegal norm: %d\n", iarg);
 			return -EINVAL;
-
 		}
-		dprintk(1, KERN_DEBUG "%s: switched to %s\n", I2C_NAME(client),
-			norms[iarg]);
+		v4l_dbg(1, debug, client, "switched to %s\n", norms[iarg]);
 		encoder->norm = iarg;
-	}
 		break;
+	}
 
 	case ENCODER_SET_INPUT:
 	{
@@ -304,19 +254,17 @@ adv7170_command (struct i2c_client *client,
 		 *iarg = 1: input is from ZR36060
 		 *iarg = 2: color bar */
 
-		dprintk(1, KERN_DEBUG "%s_command: set input from %s\n",
-			I2C_NAME(client),
+		v4l_dbg(1, debug, client, "set input from %s\n",
 			iarg == 0 ? "decoder" : "ZR36060");
 
 		switch (iarg) {
-
 		case 0:
 			adv7170_write(client, 0x01, 0x20);
 			adv7170_write(client, 0x08, TR1CAPT);	/* TR1 */
 			adv7170_write(client, 0x02, 0x0e);	// Enable genlock
 			adv7170_write(client, 0x07, TR0MODE | TR0RST);
 			adv7170_write(client, 0x07, TR0MODE);
-			//udelay(10);
+			/* udelay(10); */
 			break;
 
 		case 1:
@@ -325,20 +273,17 @@ adv7170_command (struct i2c_client *client,
 			adv7170_write(client, 0x02, 0x08);
 			adv7170_write(client, 0x07, TR0MODE | TR0RST);
 			adv7170_write(client, 0x07, TR0MODE);
-			//udelay(10);
+			/* udelay(10); */
 			break;
 
 		default:
-			dprintk(1, KERN_ERR "%s: illegal input: %d\n",
-				I2C_NAME(client), iarg);
+			v4l_dbg(1, debug, client, "illegal input: %d\n", iarg);
 			return -EINVAL;
-
 		}
-		dprintk(1, KERN_DEBUG "%s: switched to %s\n", I2C_NAME(client),
-			inputs[iarg]);
+		v4l_dbg(1, debug, client, "switched to %s\n", inputs[iarg]);
 		encoder->input = iarg;
-	}
 		break;
+	}
 
 	case ENCODER_SET_OUTPUT:
 	{
@@ -348,16 +293,16 @@ adv7170_command (struct i2c_client *client,
 		if (*iarg != 0) {
 			return -EINVAL;
 		}
-	}
 		break;
+	}
 
 	case ENCODER_ENABLE_OUTPUT:
 	{
 		int *iarg = arg;
 
 		encoder->enable = !!*iarg;
-	}
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -368,149 +313,67 @@ adv7170_command (struct i2c_client *client,
 
 /* ----------------------------------------------------------------------- */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] =
-    { I2C_ADV7170 >> 1, (I2C_ADV7170 >> 1) + 1,
-	I2C_ADV7171 >> 1, (I2C_ADV7171 >> 1) + 1,
+static unsigned short normal_i2c[] = {
+	0xd4 >> 1, 0xd6 >> 1,	/* adv7170 IDs */
+	0x54 >> 1, 0x56 >> 1,	/* adv7171 IDs */
 	I2C_CLIENT_END
 };
 
-static unsigned short ignore = I2C_CLIENT_END;
+I2C_CLIENT_INSMOD;
 
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
-
-static struct i2c_driver i2c_driver_adv7170;
-
-static int
-adv7170_detect_client (struct i2c_adapter *adapter,
-		       int                 address,
-		       int                 kind)
+static int adv7170_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
-	int i;
-	struct i2c_client *client;
 	struct adv7170 *encoder;
-	char *dname;
-
-	dprintk(1,
-		KERN_INFO
-		"adv7170.c: detecting adv7170 client on address 0x%x\n",
-		address << 1);
+	int i;
 
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_adv7170;
-	if ((client->addr == I2C_ADV7170 >> 1) ||
-	    (client->addr == (I2C_ADV7170 >> 1) + 1)) {
-		dname = adv7170_name;
-	} else if ((client->addr == I2C_ADV7171 >> 1) ||
-		   (client->addr == (I2C_ADV7171 >> 1) + 1)) {
-		dname = adv7171_name;
-	} else {
-		/* We should never get here!!! */
-		kfree(client);
-		return 0;
-	}
-	strlcpy(I2C_NAME(client), dname, sizeof(I2C_NAME(client)));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	encoder = kzalloc(sizeof(struct adv7170), GFP_KERNEL);
-	if (encoder == NULL) {
-		kfree(client);
+	if (encoder == NULL)
 		return -ENOMEM;
-	}
 	encoder->norm = VIDEO_MODE_NTSC;
 	encoder->input = 0;
 	encoder->enable = 1;
 	i2c_set_clientdata(client, encoder);
 
-	i = i2c_attach_client(client);
-	if (i) {
-		kfree(client);
-		kfree(encoder);
-		return i;
-	}
-
 	i = adv7170_write_block(client, init_NTSC, sizeof(init_NTSC));
 	if (i >= 0) {
 		i = adv7170_write(client, 0x07, TR0MODE | TR0RST);
 		i = adv7170_write(client, 0x07, TR0MODE);
 		i = adv7170_read(client, 0x12);
-		dprintk(1, KERN_INFO "%s_attach: rev. %d at 0x%02x\n",
-			I2C_NAME(client), i & 1, client->addr << 1);
-	}
-	if (i < 0) {
-		dprintk(1, KERN_ERR "%s_attach: init error 0x%x\n",
-		       I2C_NAME(client), i);
+		v4l_dbg(1, debug, client, "revision %d\n", i & 1);
 	}
-
+	if (i < 0)
+		v4l_dbg(1, debug, client, "init error 0x%x\n", i);
 	return 0;
 }
 
-static int
-adv7170_attach_adapter (struct i2c_adapter *adapter)
-{
-	dprintk(1,
-		KERN_INFO
-		"adv7170.c: starting probe for adapter %s (0x%x)\n",
-		I2C_NAME(adapter), adapter->id);
-	return i2c_probe(adapter, &addr_data, &adv7170_detect_client);
-}
-
-static int
-adv7170_detach_client (struct i2c_client *client)
+static int adv7170_remove(struct i2c_client *client)
 {
-	struct adv7170 *encoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(encoder);
-	kfree(client);
-
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver i2c_driver_adv7170 = {
-	.driver = {
-		.name = "adv7170",	/* name */
-	},
-
-	.id = I2C_DRIVERID_ADV7170,
+static const struct i2c_device_id adv7170_id[] = {
+	{ "adv7170", 0 },
+	{ "adv7171", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, adv7170_id);
 
-	.attach_adapter = adv7170_attach_adapter,
-	.detach_client = adv7170_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "adv7170",
+	.driverid = I2C_DRIVERID_ADV7170,
 	.command = adv7170_command,
+	.probe = adv7170_probe,
+	.remove = adv7170_remove,
+	.id_table = adv7170_id,
 };
-
-static int __init
-adv7170_init (void)
-{
-	return i2c_add_driver(&i2c_driver_adv7170);
-}
-
-static void __exit
-adv7170_exit (void)
-{
-	i2c_del_driver(&i2c_driver_adv7170);
-}
-
-module_init(adv7170_init);
-module_exit(adv7170_exit);
-- 
GitLab


From bba0d98262ea17fd2fd4a25f8a2be65647e5cf32 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 07:58:46 -0300
Subject: [PATCH 1022/2224] V4L/DVB (9199): adv7175: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/adv7175.c | 243 +++++++++-------------------------
 1 file changed, 60 insertions(+), 183 deletions(-)

diff --git a/drivers/media/video/adv7175.c b/drivers/media/video/adv7175.c
index 8ee07a68f70..6008e84653f 100644
--- a/drivers/media/video/adv7175.c
+++ b/drivers/media/video/adv7175.c
@@ -25,43 +25,24 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
 #include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <linux/video_encoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Analog Devices ADV7175 video encoder driver");
 MODULE_AUTHOR("Dave Perks");
 MODULE_LICENSE("GPL");
 
-
-#define I2C_NAME(s) (s)->name
-
-
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 /* ----------------------------------------------------------------------- */
 
 struct adv7175 {
@@ -77,33 +58,23 @@ struct adv7175 {
 #define   I2C_ADV7175        0xd4
 #define   I2C_ADV7176        0x54
 
-static char adv7175_name[] = "adv7175";
-static char adv7176_name[] = "adv7176";
-
 static char *inputs[] = { "pass_through", "play_back", "color_bar" };
 static char *norms[] = { "PAL", "NTSC", "SECAM->PAL (may not work!)" };
 
 /* ----------------------------------------------------------------------- */
 
-static inline int
-adv7175_write (struct i2c_client *client,
-	       u8                 reg,
-	       u8                 value)
+static inline int adv7175_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static inline int
-adv7175_read (struct i2c_client *client,
-	      u8                 reg)
+static inline int adv7175_read(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
 }
 
-static int
-adv7175_write_block (struct i2c_client *client,
-		     const u8          *data,
-		     unsigned int       len)
+static int adv7175_write_block(struct i2c_client *client,
+		     const u8 *data, unsigned int len)
 {
 	int ret = -1;
 	u8 reg;
@@ -123,18 +94,17 @@ adv7175_write_block (struct i2c_client *client,
 				reg++;
 				len -= 2;
 				data += 2;
-			} while (len >= 2 && data[0] == reg &&
-				 block_len < 32);
-			if ((ret = i2c_master_send(client, block_data,
-						   block_len)) < 0)
+			} while (len >= 2 && data[0] == reg && block_len < 32);
+			ret = i2c_master_send(client, block_data, block_len);
+			if (ret < 0)
 				break;
 		}
 	} else {
 		/* do some slow I2C emulation kind of thing */
 		while (len >= 2) {
 			reg = *data++;
-			if ((ret = adv7175_write(client, reg,
-						 *data++)) < 0)
+			ret = adv7175_write(client, reg, *data++);
+			if (ret < 0)
 				break;
 			len -= 2;
 		}
@@ -143,13 +113,11 @@ adv7175_write_block (struct i2c_client *client,
 	return ret;
 }
 
-static void
-set_subcarrier_freq (struct i2c_client *client,
-		     int                pass_through)
+static void set_subcarrier_freq(struct i2c_client *client, int pass_through)
 {
 	/* for some reason pass_through NTSC needs
 	 * a different sub-carrier freq to remain stable. */
-	if(pass_through)
+	if (pass_through)
 		adv7175_write(client, 0x02, 0x00);
 	else
 		adv7175_write(client, 0x02, 0x55);
@@ -160,12 +128,12 @@ set_subcarrier_freq (struct i2c_client *client,
 }
 
 /* ----------------------------------------------------------------------- */
-// Output filter:  S-Video  Composite
+/* Output filter:  S-Video  Composite */
 
-#define MR050       0x11	//0x09
-#define MR060       0x14	//0x0c
+#define MR050       0x11	/* 0x09 */
+#define MR060       0x14	/* 0x0c */
 
-//---------------------------------------------------------------------------
+/* ----------------------------------------------------------------------- */
 
 #define TR0MODE     0x46
 #define TR0RST	    0x80
@@ -216,15 +184,11 @@ static const unsigned char init_ntsc[] = {
 	0x06, 0x1a,		/* subc. phase */
 };
 
-static int
-adv7175_command (struct i2c_client *client,
-		 unsigned int       cmd,
-		 void              *arg)
+static int adv7175_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct adv7175 *encoder = i2c_get_clientdata(client);
 
 	switch (cmd) {
-
 	case 0:
 		/* This is just for testing!!! */
 		adv7175_write_block(client, init_common,
@@ -242,15 +206,14 @@ adv7175_command (struct i2c_client *client,
 			     VIDEO_ENCODER_SECAM; /* well, hacky */
 		cap->inputs = 2;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case ENCODER_SET_NORM:
 	{
 		int iarg = *(int *) arg;
 
 		switch (iarg) {
-
 		case VIDEO_MODE_NTSC:
 			adv7175_write_block(client, init_ntsc,
 					    sizeof(init_ntsc));
@@ -284,16 +247,13 @@ adv7175_command (struct i2c_client *client,
 			adv7175_write(client, 0x07, TR0MODE);
 			break;
 		default:
-			dprintk(1, KERN_ERR "%s: illegal norm: %d\n",
-				I2C_NAME(client), iarg);
+			v4l_dbg(1, debug, client, "illegal norm: %d\n", iarg);
 			return -EINVAL;
-
 		}
-		dprintk(1, KERN_INFO "%s: switched to %s\n", I2C_NAME(client),
-			norms[iarg]);
+		v4l_dbg(1, debug, client, "switched to %s\n", norms[iarg]);
 		encoder->norm = iarg;
-	}
 		break;
+	}
 
 	case ENCODER_SET_INPUT:
 	{
@@ -304,7 +264,6 @@ adv7175_command (struct i2c_client *client,
 		 *iarg = 2: color bar */
 
 		switch (iarg) {
-
 		case 0:
 			adv7175_write(client, 0x01, 0x00);
 
@@ -331,7 +290,7 @@ adv7175_command (struct i2c_client *client,
 			adv7175_write(client, 0x0d, 0x49);
 			adv7175_write(client, 0x07, TR0MODE | TR0RST);
 			adv7175_write(client, 0x07, TR0MODE);
-			//udelay(10);
+			/* udelay(10); */
 			break;
 
 		case 2:
@@ -343,39 +302,35 @@ adv7175_command (struct i2c_client *client,
 			adv7175_write(client, 0x0d, 0x49);
 			adv7175_write(client, 0x07, TR0MODE | TR0RST);
 			adv7175_write(client, 0x07, TR0MODE);
-			//udelay(10);
+			/* udelay(10); */
 			break;
 
 		default:
-			dprintk(1, KERN_ERR "%s: illegal input: %d\n",
-				I2C_NAME(client), iarg);
+			v4l_dbg(1, debug, client, "illegal input: %d\n", iarg);
 			return -EINVAL;
-
 		}
-		dprintk(1, KERN_INFO "%s: switched to %s\n", I2C_NAME(client),
-			inputs[iarg]);
+		v4l_dbg(1, debug, client, "switched to %s\n", inputs[iarg]);
 		encoder->input = iarg;
-	}
 		break;
+	}
 
 	case ENCODER_SET_OUTPUT:
 	{
 		int *iarg = arg;
 
 		/* not much choice of outputs */
-		if (*iarg != 0) {
+		if (*iarg != 0)
 			return -EINVAL;
-		}
-	}
 		break;
+	}
 
 	case ENCODER_ENABLE_OUTPUT:
 	{
 		int *iarg = arg;
 
 		encoder->enable = !!*iarg;
-	}
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -390,145 +345,67 @@ adv7175_command (struct i2c_client *client,
  * Generic i2c probe
  * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
  */
-static unsigned short normal_i2c[] =
-    { I2C_ADV7175 >> 1, (I2C_ADV7175 >> 1) + 1,
+static unsigned short normal_i2c[] = {
+	I2C_ADV7175 >> 1, (I2C_ADV7175 >> 1) + 1,
 	I2C_ADV7176 >> 1, (I2C_ADV7176 >> 1) + 1,
 	I2C_CLIENT_END
 };
 
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
-
-static struct i2c_driver i2c_driver_adv7175;
+I2C_CLIENT_INSMOD;
 
-static int
-adv7175_detect_client (struct i2c_adapter *adapter,
-		       int                 address,
-		       int                 kind)
+static int adv7175_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	int i;
-	struct i2c_client *client;
 	struct adv7175 *encoder;
-	char *dname;
-
-	dprintk(1,
-		KERN_INFO
-		"adv7175.c: detecting adv7175 client on address 0x%x\n",
-		address << 1);
 
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_adv7175;
-	if ((client->addr == I2C_ADV7175 >> 1) ||
-	    (client->addr == (I2C_ADV7175 >> 1) + 1)) {
-		dname = adv7175_name;
-	} else if ((client->addr == I2C_ADV7176 >> 1) ||
-		   (client->addr == (I2C_ADV7176 >> 1) + 1)) {
-		dname = adv7176_name;
-	} else {
-		/* We should never get here!!! */
-		kfree(client);
-		return 0;
-	}
-	strlcpy(I2C_NAME(client), dname, sizeof(I2C_NAME(client)));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	encoder = kzalloc(sizeof(struct adv7175), GFP_KERNEL);
-	if (encoder == NULL) {
-		kfree(client);
+	if (encoder == NULL)
 		return -ENOMEM;
-	}
 	encoder->norm = VIDEO_MODE_PAL;
 	encoder->input = 0;
 	encoder->enable = 1;
 	i2c_set_clientdata(client, encoder);
 
-	i = i2c_attach_client(client);
-	if (i) {
-		kfree(client);
-		kfree(encoder);
-		return i;
-	}
-
 	i = adv7175_write_block(client, init_common, sizeof(init_common));
 	if (i >= 0) {
 		i = adv7175_write(client, 0x07, TR0MODE | TR0RST);
 		i = adv7175_write(client, 0x07, TR0MODE);
 		i = adv7175_read(client, 0x12);
-		dprintk(1, KERN_INFO "%s_attach: rev. %d at 0x%x\n",
-			I2C_NAME(client), i & 1, client->addr << 1);
+		v4l_dbg(1, debug, client, "revision %d\n", i & 1);
 	}
-	if (i < 0) {
-		dprintk(1, KERN_ERR "%s_attach: init error 0x%x\n",
-			I2C_NAME(client), i);
-	}
-
+	if (i < 0)
+		v4l_dbg(1, debug, client, "init error 0x%x\n", i);
 	return 0;
 }
 
-static int
-adv7175_attach_adapter (struct i2c_adapter *adapter)
-{
-	dprintk(1,
-		KERN_INFO
-		"adv7175.c: starting probe for adapter %s (0x%x)\n",
-		I2C_NAME(adapter), adapter->id);
-	return i2c_probe(adapter, &addr_data, &adv7175_detect_client);
-}
-
-static int
-adv7175_detach_client (struct i2c_client *client)
+static int adv7175_remove(struct i2c_client *client)
 {
-	struct adv7175 *encoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(encoder);
-	kfree(client);
-
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver i2c_driver_adv7175 = {
-	.driver = {
-		.name = "adv7175",	/* name */
-	},
-
-	.id = I2C_DRIVERID_ADV7175,
+static const struct i2c_device_id adv7175_id[] = {
+	{ "adv7175", 0 },
+	{ "adv7176", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, adv7175_id);
 
-	.attach_adapter = adv7175_attach_adapter,
-	.detach_client = adv7175_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "adv7175",
+	.driverid = I2C_DRIVERID_ADV7175,
 	.command = adv7175_command,
+	.probe = adv7175_probe,
+	.remove = adv7175_remove,
+	.id_table = adv7175_id,
 };
-
-static int __init
-adv7175_init (void)
-{
-	return i2c_add_driver(&i2c_driver_adv7175);
-}
-
-static void __exit
-adv7175_exit (void)
-{
-	i2c_del_driver(&i2c_driver_adv7175);
-}
-
-module_init(adv7175_init);
-module_exit(adv7175_exit);
-- 
GitLab


From 7fd011fb952116628d8b085d9a0982f8096d5ba9 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Mon, 13 Oct 2008 07:30:15 -0300
Subject: [PATCH 1023/2224] V4L/DVB (9200): bt819: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/bt819.c | 321 +++++++++++-------------------------
 1 file changed, 92 insertions(+), 229 deletions(-)

diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c
index ddd2a7964de..a07b7b88e5b 100644
--- a/drivers/media/video/bt819.c
+++ b/drivers/media/video/bt819.c
@@ -29,44 +29,25 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
 #include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
 #include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <linux/video_decoder.h>
-
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Brooktree-819 video decoder driver");
 MODULE_AUTHOR("Mike Bernson & Dave Perks");
 MODULE_LICENSE("GPL");
 
-
-#define I2C_NAME(s) (s)->name
-
-
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 /* ----------------------------------------------------------------------- */
 
 struct bt819 {
@@ -97,14 +78,9 @@ static struct timing timing_data[] = {
 	{858 - 24, 20, 525 - 2, 1, 0x00f8, 0x0000},
 };
 
-#define   I2C_BT819        0x8a
-
 /* ----------------------------------------------------------------------- */
 
-static inline int
-bt819_write (struct i2c_client *client,
-	     u8                 reg,
-	     u8                 value)
+static inline int bt819_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct bt819 *decoder = i2c_get_clientdata(client);
 
@@ -112,24 +88,15 @@ bt819_write (struct i2c_client *client,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static inline int
-bt819_setbit (struct i2c_client *client,
-	      u8                 reg,
-	      u8                 bit,
-	      u8                 value)
+static inline int bt819_setbit(struct i2c_client *client, u8 reg, u8 bit, u8 value)
 {
 	struct bt819 *decoder = i2c_get_clientdata(client);
 
 	return bt819_write(client, reg,
-			   (decoder->
-			    reg[reg] & ~(1 << bit)) |
-			    (value ? (1 << bit) : 0));
+		(decoder->reg[reg] & ~(1 << bit)) | (value ? (1 << bit) : 0));
 }
 
-static int
-bt819_write_block (struct i2c_client *client,
-		   const u8          *data,
-		   unsigned int       len)
+static int bt819_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
 {
 	int ret = -1;
 	u8 reg;
@@ -150,10 +117,9 @@ bt819_write_block (struct i2c_client *client,
 				    decoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
-			} while (len >= 2 && data[0] == reg &&
-				 block_len < 32);
-			if ((ret = i2c_master_send(client, block_data,
-						   block_len)) < 0)
+			} while (len >= 2 && data[0] == reg && block_len < 32);
+			ret = i2c_master_send(client, block_data, block_len);
+			if (ret < 0)
 				break;
 		}
 	} else {
@@ -169,20 +135,17 @@ bt819_write_block (struct i2c_client *client,
 	return ret;
 }
 
-static inline int
-bt819_read (struct i2c_client *client,
-	    u8                 reg)
+static inline int bt819_read(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
 }
 
-static int
-bt819_init (struct i2c_client *client)
+static int bt819_init(struct i2c_client *client)
 {
 	struct bt819 *decoder = i2c_get_clientdata(client);
 
 	static unsigned char init[] = {
-		//0x1f, 0x00,     /* Reset */
+		/*0x1f, 0x00,*/     /* Reset */
 		0x01, 0x59,	/* 0x01 input format */
 		0x02, 0x00,	/* 0x02 temporal decimation */
 		0x03, 0x12,	/* 0x03 Cropping msb */
@@ -218,12 +181,10 @@ bt819_init (struct i2c_client *client)
 	struct timing *timing = &timing_data[decoder->norm];
 
 	init[0x03 * 2 - 1] =
-	    (((timing->vdelay >> 8) & 0x03) << 6) | (((timing->
-						       vactive >> 8) &
-						      0x03) << 4) |
-	    (((timing->hdelay >> 8) & 0x03) << 2) | ((timing->
-						      hactive >> 8) &
-						     0x03);
+	    (((timing->vdelay >> 8) & 0x03) << 6) |
+	    (((timing->vactive >> 8) & 0x03) << 4) |
+	    (((timing->hdelay >> 8) & 0x03) << 2) |
+	    ((timing->hactive >> 8) & 0x03);
 	init[0x04 * 2 - 1] = timing->vdelay & 0xff;
 	init[0x05 * 2 - 1] = timing->vactive & 0xff;
 	init[0x06 * 2 - 1] = timing->hdelay & 0xff;
@@ -238,27 +199,22 @@ bt819_init (struct i2c_client *client)
 
 	/* init */
 	return bt819_write_block(client, init, sizeof(init));
-
 }
 
 /* ----------------------------------------------------------------------- */
 
-static int
-bt819_command (struct i2c_client *client,
-	       unsigned int       cmd,
-	       void              *arg)
+static int bt819_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	int temp;
 
 	struct bt819 *decoder = i2c_get_clientdata(client);
 
-	if (!decoder->initialized) {	// First call to bt819_init could be
-		bt819_init(client);	// without #FRST = 0
+	if (!decoder->initialized) {	/* First call to bt819_init could be */
+		bt819_init(client);	/* without #FRST = 0 */
 		decoder->initialized = 1;
 	}
 
 	switch (cmd) {
-
 	case 0:
 		/* This is just for testing!!! */
 		bt819_init(client);
@@ -274,8 +230,8 @@ bt819_command (struct i2c_client *client,
 			     VIDEO_DECODER_CCIR;
 		cap->inputs = 8;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case DECODER_GET_STATUS:
 	{
@@ -285,9 +241,9 @@ bt819_command (struct i2c_client *client,
 
 		status = bt819_read(client, 0x00);
 		res = 0;
-		if ((status & 0x80)) {
+		if ((status & 0x80))
 			res |= DECODER_STATUS_GOOD;
-		}
+
 		switch (decoder->norm) {
 		case VIDEO_MODE_NTSC:
 			res |= DECODER_STATUS_NTSC;
@@ -297,28 +253,25 @@ bt819_command (struct i2c_client *client,
 			break;
 		default:
 		case VIDEO_MODE_AUTO:
-			if ((status & 0x10)) {
+			if ((status & 0x10))
 				res |= DECODER_STATUS_PAL;
-			} else {
+			else
 				res |= DECODER_STATUS_NTSC;
-			}
 			break;
 		}
 		res |= DECODER_STATUS_COLOR;
 		*iarg = res;
 
-		dprintk(1, KERN_INFO "%s: get status %x\n", I2C_NAME(client),
-			*iarg);
-	}
+		v4l_dbg(1, debug, client, "get status %x\n", *iarg);
 		break;
+	}
 
 	case DECODER_SET_NORM:
 	{
 		int *iarg = arg;
 		struct timing *timing = NULL;
 
-		dprintk(1, KERN_INFO "%s: set norm %x\n", I2C_NAME(client),
-			*iarg);
+		v4l_dbg(1, debug, client, "set norm %x\n", *iarg);
 
 		switch (*iarg) {
 		case VIDEO_MODE_NTSC:
@@ -327,7 +280,7 @@ bt819_command (struct i2c_client *client,
 			bt819_setbit(client, 0x01, 5, 0);
 			bt819_write(client, 0x18, 0x68);
 			bt819_write(client, 0x19, 0x5d);
-			//bt819_setbit(client, 0x1a,  5, 1);
+			/* bt819_setbit(client, 0x1a,  5, 1); */
 			timing = &timing_data[VIDEO_MODE_NTSC];
 			break;
 		case VIDEO_MODE_PAL:
@@ -336,7 +289,7 @@ bt819_command (struct i2c_client *client,
 			bt819_setbit(client, 0x01, 5, 1);
 			bt819_write(client, 0x18, 0x7f);
 			bt819_write(client, 0x19, 0x72);
-			//bt819_setbit(client, 0x1a,  5, 0);
+			/* bt819_setbit(client, 0x1a,  5, 0); */
 			timing = &timing_data[VIDEO_MODE_PAL];
 			break;
 		case VIDEO_MODE_AUTO:
@@ -344,10 +297,7 @@ bt819_command (struct i2c_client *client,
 			bt819_setbit(client, 0x01, 1, 0);
 			break;
 		default:
-			dprintk(1,
-				KERN_ERR
-				"%s: unsupported norm %d\n",
-				I2C_NAME(client), *iarg);
+			v4l_dbg(1, debug, client, "unsupported norm %x\n", *iarg);
 			return -EINVAL;
 		}
 
@@ -366,19 +316,17 @@ bt819_command (struct i2c_client *client,
 		}
 
 		decoder->norm = *iarg;
-	}
 		break;
+	}
 
 	case DECODER_SET_INPUT:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_INFO "%s: set input %x\n", I2C_NAME(client),
-			*iarg);
+		v4l_dbg(1, debug, client, "set input %x\n", *iarg);
 
-		if (*iarg < 0 || *iarg > 7) {
+		if (*iarg < 0 || *iarg > 7)
 			return -EINVAL;
-		}
 
 		if (decoder->input != *iarg) {
 			decoder->input = *iarg;
@@ -391,52 +339,42 @@ bt819_command (struct i2c_client *client,
 				bt819_setbit(client, 0x1a, 1, 0);
 			}
 		}
-	}
 		break;
+	}
 
 	case DECODER_SET_OUTPUT:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_INFO "%s: set output %x\n", I2C_NAME(client),
-			*iarg);
+		v4l_dbg(1, debug, client, "set output %x\n", *iarg);
 
 		/* not much choice of outputs */
-		if (*iarg != 0) {
+		if (*iarg != 0)
 			return -EINVAL;
-		}
-	}
 		break;
+	}
 
 	case DECODER_ENABLE_OUTPUT:
 	{
 		int *iarg = arg;
 		int enable = (*iarg != 0);
 
-		dprintk(1, KERN_INFO "%s: enable output %x\n",
-			I2C_NAME(client), *iarg);
+		v4l_dbg(1, debug, client, "enable output %x\n", *iarg);
 
 		if (decoder->enable != enable) {
 			decoder->enable = enable;
-
-			if (decoder->enable) {
-				bt819_setbit(client, 0x16, 7, 0);
-			} else {
-				bt819_setbit(client, 0x16, 7, 1);
-			}
+			bt819_setbit(client, 0x16, 7, !enable);
 		}
-	}
 		break;
+	}
 
 	case DECODER_SET_PICTURE:
 	{
 		struct video_picture *pic = arg;
 
-		dprintk(1,
-			KERN_INFO
-			"%s: set picture brightness %d contrast %d colour %d\n",
-			I2C_NAME(client), pic->brightness, pic->contrast,
-			pic->colour);
+		v4l_dbg(1, debug, client,
+			"set picture brightness %d contrast %d colour %d\n",
+			pic->brightness, pic->contrast, pic->colour);
 
 
 		if (decoder->bright != pic->brightness) {
@@ -474,8 +412,8 @@ bt819_command (struct i2c_client *client,
 			bt819_write(client, 0x0f,
 				    128 - (decoder->hue >> 8));
 		}
-	}
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -486,55 +424,44 @@ bt819_command (struct i2c_client *client,
 
 /* ----------------------------------------------------------------------- */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = {
-	I2C_BT819 >> 1,
-	I2C_CLIENT_END,
-};
-
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
+static unsigned short normal_i2c[] = { 0x8a >> 1, I2C_CLIENT_END };
 
-static struct i2c_driver i2c_driver_bt819;
+I2C_CLIENT_INSMOD;
 
-static int
-bt819_detect_client (struct i2c_adapter *adapter,
-		     int                 address,
-		     int                 kind)
+static int bt819_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
-	int i, id;
+	int i, ver;
 	struct bt819 *decoder;
-	struct i2c_client *client;
-
-	dprintk(1,
-		KERN_INFO
-		"bt819: detecting bt819 client on address 0x%x\n",
-		address << 1);
+	const char *name;
 
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_bt819;
+	ver = bt819_read(client, 0x17);
+	switch (ver & 0xf0) {
+	case 0x70:
+		name = "bt819a";
+		break;
+	case 0x60:
+		name = "bt817a";
+		break;
+	case 0x20:
+		name = "bt815a";
+		break;
+	default:
+		v4l_dbg(1, debug, client,
+			"unknown chip version 0x%02x\n", ver);
+		return -ENODEV;
+	}
+
+	v4l_info(client, "%s found @ 0x%x (%s)\n", name,
+			client->addr << 1, client->adapter->name);
 
 	decoder = kzalloc(sizeof(struct bt819), GFP_KERNEL);
-	if (decoder == NULL) {
-		kfree(client);
+	if (decoder == NULL)
 		return -ENOMEM;
-	}
 	decoder->norm = VIDEO_MODE_NTSC;
 	decoder->input = 0;
 	decoder->enable = 1;
@@ -545,97 +472,33 @@ bt819_detect_client (struct i2c_adapter *adapter,
 	decoder->initialized = 0;
 	i2c_set_clientdata(client, decoder);
 
-	id = bt819_read(client, 0x17);
-	switch (id & 0xf0) {
-	case 0x70:
-		strlcpy(I2C_NAME(client), "bt819a", sizeof(I2C_NAME(client)));
-		break;
-	case 0x60:
-		strlcpy(I2C_NAME(client), "bt817a", sizeof(I2C_NAME(client)));
-		break;
-	case 0x20:
-		strlcpy(I2C_NAME(client), "bt815a", sizeof(I2C_NAME(client)));
-		break;
-	default:
-		dprintk(1,
-			KERN_ERR
-			"bt819: unknown chip version 0x%x (ver 0x%x)\n",
-			id & 0xf0, id & 0x0f);
-		kfree(decoder);
-		kfree(client);
-		return 0;
-	}
-
-	i = i2c_attach_client(client);
-	if (i) {
-		kfree(client);
-		kfree(decoder);
-		return i;
-	}
-
 	i = bt819_init(client);
-	if (i < 0) {
-		dprintk(1, KERN_ERR "%s_attach: init status %d\n",
-			I2C_NAME(client), i);
-	} else {
-		dprintk(1,
-			KERN_INFO
-			"%s_attach: chip version 0x%x at address 0x%x\n",
-			I2C_NAME(client), id & 0x0f,
-			client->addr << 1);
-	}
-
+	if (i < 0)
+		v4l_dbg(1, debug, client, "init status %d\n", i);
 	return 0;
 }
 
-static int
-bt819_attach_adapter (struct i2c_adapter *adapter)
-{
-	return i2c_probe(adapter, &addr_data, &bt819_detect_client);
-}
-
-static int
-bt819_detach_client (struct i2c_client *client)
+static int bt819_remove(struct i2c_client *client)
 {
-	struct bt819 *decoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(decoder);
-	kfree(client);
-
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver i2c_driver_bt819 = {
-	.driver = {
-		.name = "bt819",
-	},
-
-	.id = I2C_DRIVERID_BT819,
+static const struct i2c_device_id bt819_id[] = {
+	{ "bt819a", 0 },
+	{ "bt817a", 0 },
+	{ "bt815a", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, bt819_id);
 
-	.attach_adapter = bt819_attach_adapter,
-	.detach_client = bt819_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "bt819",
+	.driverid = I2C_DRIVERID_BT819,
 	.command = bt819_command,
+	.probe = bt819_probe,
+	.remove = bt819_remove,
+	.id_table = bt819_id,
 };
-
-static int __init
-bt819_init_module (void)
-{
-	return i2c_add_driver(&i2c_driver_bt819);
-}
-
-static void __exit
-bt819_exit (void)
-{
-	i2c_del_driver(&i2c_driver_bt819);
-}
-
-module_init(bt819_init_module);
-module_exit(bt819_exit);
-- 
GitLab


From a8c26dfe00e147012bd6a1b3bd206b4771bb5bd7 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 07:59:35 -0300
Subject: [PATCH 1024/2224] V4L/DVB (9201): bt856: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/bt856.c | 218 ++++++++----------------------------
 1 file changed, 49 insertions(+), 169 deletions(-)

diff --git a/drivers/media/video/bt856.c b/drivers/media/video/bt856.c
index ab2ce4d7b5d..4213867507f 100644
--- a/drivers/media/video/bt856.c
+++ b/drivers/media/video/bt856.c
@@ -29,43 +29,24 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <linux/video_encoder.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
 #include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
+#include <linux/video_encoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Brooktree-856A video encoder driver");
 MODULE_AUTHOR("Mike Bernson & Dave Perks");
 MODULE_LICENSE("GPL");
 
-
-#define I2C_NAME(s) (s)->name
-
-
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 /* ----------------------------------------------------------------------- */
 
 #define BT856_REG_OFFSET	0xDA
@@ -78,14 +59,9 @@ struct bt856 {
 	int enable;
 };
 
-#define   I2C_BT856        0x88
-
 /* ----------------------------------------------------------------------- */
 
-static inline int
-bt856_write (struct i2c_client *client,
-	     u8                 reg,
-	     u8                 value)
+static inline int bt856_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct bt856 *encoder = i2c_get_clientdata(client);
 
@@ -93,46 +69,36 @@ bt856_write (struct i2c_client *client,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static inline int
-bt856_setbit (struct i2c_client *client,
-	      u8                 reg,
-	      u8                 bit,
-	      u8                 value)
+static inline int bt856_setbit(struct i2c_client *client, u8 reg, u8 bit, u8 value)
 {
 	struct bt856 *encoder = i2c_get_clientdata(client);
 
 	return bt856_write(client, reg,
-			   (encoder->
-			    reg[reg - BT856_REG_OFFSET] & ~(1 << bit)) |
-			    (value ? (1 << bit) : 0));
+		(encoder->reg[reg - BT856_REG_OFFSET] & ~(1 << bit)) |
+				(value ? (1 << bit) : 0));
 }
 
-static void
-bt856_dump (struct i2c_client *client)
+static void bt856_dump(struct i2c_client *client)
 {
 	int i;
 	struct bt856 *encoder = i2c_get_clientdata(client);
 
-	printk(KERN_INFO "%s: register dump:", I2C_NAME(client));
+	v4l_info(client, "register dump:\n");
 	for (i = 0; i < BT856_NR_REG; i += 2)
-		printk(" %02x", encoder->reg[i]);
-	printk("\n");
+		printk(KERN_CONT " %02x", encoder->reg[i]);
+	printk(KERN_CONT "\n");
 }
 
 /* ----------------------------------------------------------------------- */
 
-static int
-bt856_command (struct i2c_client *client,
-	       unsigned int       cmd,
-	       void              *arg)
+static int bt856_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct bt856 *encoder = i2c_get_clientdata(client);
 
 	switch (cmd) {
-
 	case 0:
 		/* This is just for testing!!! */
-		dprintk(1, KERN_INFO "bt856: init\n");
+		v4l_dbg(1, debug, client, "init\n");
 		bt856_write(client, 0xdc, 0x18);
 		bt856_write(client, 0xda, 0);
 		bt856_write(client, 0xde, 0);
@@ -142,7 +108,6 @@ bt856_command (struct i2c_client *client,
 		bt856_setbit(client, 0xdc, 4, 1);
 
 		switch (encoder->norm) {
-
 		case VIDEO_MODE_NTSC:
 			bt856_setbit(client, 0xdc, 2, 0);
 			break;
@@ -163,26 +128,23 @@ bt856_command (struct i2c_client *client,
 	{
 		struct video_encoder_capability *cap = arg;
 
-		dprintk(1, KERN_INFO "%s: get capabilities\n",
-			I2C_NAME(client));
+		v4l_dbg(1, debug, client, "get capabilities\n");
 
 		cap->flags = VIDEO_ENCODER_PAL |
 			     VIDEO_ENCODER_NTSC |
 			     VIDEO_ENCODER_CCIR;
 		cap->inputs = 2;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case ENCODER_SET_NORM:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_INFO "%s: set norm %d\n", I2C_NAME(client),
-			*iarg);
+		v4l_dbg(1, debug, client, "set norm %d\n", *iarg);
 
 		switch (*iarg) {
-
 		case VIDEO_MODE_NTSC:
 			bt856_setbit(client, 0xdc, 2, 0);
 			break;
@@ -195,27 +157,23 @@ bt856_command (struct i2c_client *client,
 
 		default:
 			return -EINVAL;
-
 		}
 		encoder->norm = *iarg;
 		if (debug != 0)
 			bt856_dump(client);
-	}
 		break;
+	}
 
 	case ENCODER_SET_INPUT:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_INFO "%s: set input %d\n", I2C_NAME(client),
-			*iarg);
+		v4l_dbg(1, debug, client, "set input %d\n", *iarg);
 
 		/* We only have video bus.
 		 * iarg = 0: input is from bt819
 		 * iarg = 1: input is from ZR36060 */
-
 		switch (*iarg) {
-
 		case 0:
 			bt856_setbit(client, 0xde, 4, 0);
 			bt856_setbit(client, 0xde, 3, 1);
@@ -234,27 +192,24 @@ bt856_command (struct i2c_client *client,
 			break;
 		default:
 			return -EINVAL;
-
 		}
 
 		if (debug != 0)
 			bt856_dump(client);
-	}
 		break;
+	}
 
 	case ENCODER_SET_OUTPUT:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_INFO "%s: set output %d\n", I2C_NAME(client),
-			*iarg);
+		v4l_dbg(1, debug, client, "set output %d\n", *iarg);
 
 		/* not much choice of outputs */
-		if (*iarg != 0) {
+		if (*iarg != 0)
 			return -EINVAL;
-		}
-	}
 		break;
+	}
 
 	case ENCODER_ENABLE_OUTPUT:
 	{
@@ -262,10 +217,9 @@ bt856_command (struct i2c_client *client,
 
 		encoder->enable = !!*iarg;
 
-		dprintk(1, KERN_INFO "%s: enable output %d\n",
-			I2C_NAME(client), encoder->enable);
-	}
+		v4l_dbg(1, debug, client, "enable output %d\n", encoder->enable);
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -276,64 +230,29 @@ bt856_command (struct i2c_client *client,
 
 /* ----------------------------------------------------------------------- */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = { I2C_BT856 >> 1, I2C_CLIENT_END };
-
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
+static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
 
-static struct i2c_driver i2c_driver_bt856;
+I2C_CLIENT_INSMOD;
 
-static int
-bt856_detect_client (struct i2c_adapter *adapter,
-		     int                 address,
-		     int                 kind)
+static int bt856_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
-	int i;
-	struct i2c_client *client;
 	struct bt856 *encoder;
 
-	dprintk(1,
-		KERN_INFO
-		"bt856.c: detecting bt856 client on address 0x%x\n",
-		address << 1);
-
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_bt856;
-	strlcpy(I2C_NAME(client), "bt856", sizeof(I2C_NAME(client)));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	encoder = kzalloc(sizeof(struct bt856), GFP_KERNEL);
-	if (encoder == NULL) {
-		kfree(client);
+	if (encoder == NULL)
 		return -ENOMEM;
-	}
 	encoder->norm = VIDEO_MODE_NTSC;
 	encoder->enable = 1;
 	i2c_set_clientdata(client, encoder);
 
-	i = i2c_attach_client(client);
-	if (i) {
-		kfree(client);
-		kfree(encoder);
-		return i;
-	}
-
 	bt856_write(client, 0xdc, 0x18);
 	bt856_write(client, 0xda, 0);
 	bt856_write(client, 0xde, 0);
@@ -359,65 +278,26 @@ bt856_detect_client (struct i2c_adapter *adapter,
 
 	if (debug != 0)
 		bt856_dump(client);
-
-	dprintk(1, KERN_INFO "%s_attach: at address 0x%x\n", I2C_NAME(client),
-		client->addr << 1);
-
 	return 0;
 }
 
-static int
-bt856_attach_adapter (struct i2c_adapter *adapter)
+static int bt856_remove(struct i2c_client *client)
 {
-	dprintk(1,
-		KERN_INFO
-		"bt856.c: starting probe for adapter %s (0x%x)\n",
-		I2C_NAME(adapter), adapter->id);
-	return i2c_probe(adapter, &addr_data, &bt856_detect_client);
-}
-
-static int
-bt856_detach_client (struct i2c_client *client)
-{
-	struct bt856 *encoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(encoder);
-	kfree(client);
-
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
-/* ----------------------------------------------------------------------- */
-
-static struct i2c_driver i2c_driver_bt856 = {
-	.driver = {
-		.name = "bt856",
-	},
-
-	.id = I2C_DRIVERID_BT856,
+static const struct i2c_device_id bt856_id[] = {
+	{ "bt856", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, bt856_id);
 
-	.attach_adapter = bt856_attach_adapter,
-	.detach_client = bt856_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "bt856",
+	.driverid = I2C_DRIVERID_BT856,
 	.command = bt856_command,
+	.probe = bt856_probe,
+	.remove = bt856_remove,
+	.id_table = bt856_id,
 };
-
-static int __init
-bt856_init (void)
-{
-	return i2c_add_driver(&i2c_driver_bt856);
-}
-
-static void __exit
-bt856_exit (void)
-{
-	i2c_del_driver(&i2c_driver_bt856);
-}
-
-module_init(bt856_init);
-module_exit(bt856_exit);
-- 
GitLab


From c18fdcf65732b87f6015ea4e423fc7abf7c26dd2 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 07:59:54 -0300
Subject: [PATCH 1025/2224] V4L/DVB (9202): bt866: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/bt866.c | 255 ++++++++++++------------------------
 1 file changed, 83 insertions(+), 172 deletions(-)

diff --git a/drivers/media/video/bt866.c b/drivers/media/video/bt866.c
index 96b415576f0..596f9e2376b 100644
--- a/drivers/media/video/bt866.c
+++ b/drivers/media/video/bt866.c
@@ -29,42 +29,28 @@
 */
 
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <linux/sched.h>
 #include <linux/types.h>
+#include <linux/ioctl.h>
+#include <asm/uaccess.h>
 #include <linux/i2c.h>
-
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
-#include <asm/uaccess.h>
-
 #include <linux/video_encoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
+MODULE_DESCRIPTION("Brooktree-866 video encoder driver");
+MODULE_AUTHOR("Mike Bernson & Dave Perks");
 MODULE_LICENSE("GPL");
 
-#define	BT866_DEVNAME	"bt866"
-#define I2C_BT866	0x88
-
-MODULE_LICENSE("GPL");
-
-#define DEBUG(x)		/* Debug driver */
+static int debug;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
 /* ----------------------------------------------------------------------- */
 
 struct bt866 {
-	struct i2c_client *i2c;
-	int addr;
-	unsigned char reg[256];
+	u8 reg[256];
 
 	int norm;
 	int enable;
@@ -74,20 +60,45 @@ struct bt866 {
 	int sat;
 };
 
-static int bt866_write(struct bt866 *dev,
-			unsigned char subaddr, unsigned char data);
+static int bt866_write(struct i2c_client *client, u8 subaddr, u8 data)
+{
+	struct bt866 *encoder = i2c_get_clientdata(client);
+	u8 buffer[2];
+	int err;
+
+	buffer[0] = subaddr;
+	buffer[1] = data;
+
+	encoder->reg[subaddr] = data;
+
+	v4l_dbg(1, debug, client, "write 0x%02x = 0x%02x\n", subaddr, data);
+
+	for (err = 0; err < 3;) {
+		if (i2c_master_send(client, buffer, 2) == 2)
+			break;
+		err++;
+		v4l_warn(client, "error #%d writing to 0x%02x\n",
+				err, subaddr);
+		schedule_timeout_interruptible(msecs_to_jiffies(100));
+	}
+	if (err == 3) {
+		v4l_warn(client, "giving up\n");
+		return -1;
+	}
+
+	return 0;
+}
 
-static int bt866_do_command(struct bt866 *encoder,
-			unsigned int cmd, void *arg)
+static int bt866_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
+	struct bt866 *encoder = i2c_get_clientdata(client);
+
 	switch (cmd) {
 	case ENCODER_GET_CAPABILITIES:
 	{
 		struct video_encoder_capability *cap = arg;
 
-		DEBUG(printk
-		      (KERN_INFO "%s: get capabilities\n",
-		       encoder->i2c->name));
+		v4l_dbg(1, debug, client, "get capabilities\n");
 
 		cap->flags
 			= VIDEO_ENCODER_PAL
@@ -95,18 +106,16 @@ static int bt866_do_command(struct bt866 *encoder,
 			| VIDEO_ENCODER_CCIR;
 		cap->inputs = 2;
 		cap->outputs = 1;
+		break;
 	}
-	break;
 
 	case ENCODER_SET_NORM:
 	{
 		int *iarg = arg;
 
-		DEBUG(printk(KERN_INFO "%s: set norm %d\n",
-			     encoder->i2c->name, *iarg));
+		v4l_dbg(1, debug, client, "set norm %d\n", *iarg);
 
 		switch (*iarg) {
-
 		case VIDEO_MODE_NTSC:
 			break;
 
@@ -115,11 +124,10 @@ static int bt866_do_command(struct bt866 *encoder,
 
 		default:
 			return -EINVAL;
-
 		}
 		encoder->norm = *iarg;
+		break;
 	}
-	break;
 
 	case ENCODER_SET_INPUT:
 	{
@@ -155,7 +163,7 @@ static int bt866_do_command(struct bt866 *encoder,
 		u8 val;
 
 		for (i = 0; i < ARRAY_SIZE(init) / 2; i += 2)
-			bt866_write(encoder, init[i], init[i+1]);
+			bt866_write(client, init[i], init[i+1]);
 
 		val = encoder->reg[0xdc];
 
@@ -164,17 +172,16 @@ static int bt866_do_command(struct bt866 *encoder,
 		else
 			val &= ~0x40; /* !CBSWAP */
 
-		bt866_write(encoder, 0xdc, val);
+		bt866_write(client, 0xdc, val);
 
 		val = encoder->reg[0xcc];
 		if (*iarg == 2)
 			val |= 0x01; /* OSDBAR */
 		else
 			val &= ~0x01; /* !OSDBAR */
-		bt866_write(encoder, 0xcc, val);
+		bt866_write(client, 0xcc, val);
 
-		DEBUG(printk(KERN_INFO "%s: set input %d\n",
-			     encoder->i2c->name, *iarg));
+		v4l_dbg(1, debug, client, "set input %d\n", *iarg);
 
 		switch (*iarg) {
 		case 0:
@@ -183,48 +190,44 @@ static int bt866_do_command(struct bt866 *encoder,
 			break;
 		default:
 			return -EINVAL;
-
 		}
+		break;
 	}
-	break;
 
 	case ENCODER_SET_OUTPUT:
 	{
 		int *iarg = arg;
 
-		DEBUG(printk(KERN_INFO "%s: set output %d\n",
-			     encoder->i2c->name, *iarg));
+		v4l_dbg(1, debug, client, "set output %d\n", *iarg);
 
 		/* not much choice of outputs */
 		if (*iarg != 0)
 			return -EINVAL;
+		break;
 	}
-	break;
 
 	case ENCODER_ENABLE_OUTPUT:
 	{
 		int *iarg = arg;
 		encoder->enable = !!*iarg;
 
-		DEBUG(printk
-		      (KERN_INFO "%s: enable output %d\n",
-		       encoder->i2c->name, encoder->enable));
+		v4l_dbg(1, debug, client, "enable output %d\n", encoder->enable);
+		break;
 	}
-	break;
 
 	case 4711:
 	{
 		int *iarg = arg;
 		__u8 val;
 
-		printk("bt866: square = %d\n", *iarg);
+		v4l_dbg(1, debug, client, "square %d\n", *iarg);
 
 		val = encoder->reg[0xdc];
 		if (*iarg)
 			val |= 1; /* SQUARE */
 		else
 			val &= ~1; /* !SQUARE */
-		bt866_write(encoder, 0xdc, val);
+		bt866_write(client, 0xdc, val);
 		break;
 	}
 
@@ -235,141 +238,49 @@ static int bt866_do_command(struct bt866 *encoder,
 	return 0;
 }
 
-static int bt866_write(struct bt866 *encoder,
-			unsigned char subaddr, unsigned char data)
-{
-	unsigned char buffer[2];
-	int err;
+static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
 
-	buffer[0] = subaddr;
-	buffer[1] = data;
-
-	encoder->reg[subaddr] = data;
+I2C_CLIENT_INSMOD;
 
-	DEBUG(printk
-	      ("%s: write 0x%02X = 0x%02X\n",
-	       encoder->i2c->name, subaddr, data));
-
-	for (err = 0; err < 3;) {
-		if (i2c_master_send(encoder->i2c, buffer, 2) == 2)
-			break;
-		err++;
-		printk(KERN_WARNING "%s: I/O error #%d "
-		       "(write 0x%02x/0x%02x)\n",
-		       encoder->i2c->name, err, encoder->addr, subaddr);
-		schedule_timeout_interruptible(msecs_to_jiffies(100));
-	}
-	if (err == 3) {
-		printk(KERN_WARNING "%s: giving up\n",
-		       encoder->i2c->name);
-		return -1;
-	}
-
-	return 0;
-}
-
-static int bt866_attach(struct i2c_adapter *adapter);
-static int bt866_detach(struct i2c_client *client);
-static int bt866_command(struct i2c_client *client,
-			 unsigned int cmd, void *arg);
-
-
-/* Addresses to scan */
-static unsigned short normal_i2c[]	= {I2C_BT866>>1, I2C_CLIENT_END};
-static unsigned short probe[2]		= {I2C_CLIENT_END, I2C_CLIENT_END};
-static unsigned short ignore[2]		= {I2C_CLIENT_END, I2C_CLIENT_END};
-
-static struct i2c_client_address_data addr_data = {
-	normal_i2c,
-	probe,
-	ignore,
-};
-
-static struct i2c_driver i2c_driver_bt866 = {
-	.driver.name = BT866_DEVNAME,
-	.id = I2C_DRIVERID_BT866,
-	.attach_adapter = bt866_attach,
-	.detach_client = bt866_detach,
-	.command = bt866_command
-};
-
-
-static struct i2c_client bt866_client_tmpl =
-{
-	.name = "(nil)",
-	.addr = 0,
-	.adapter = NULL,
-	.driver = &i2c_driver_bt866,
-};
-
-static int bt866_found_proc(struct i2c_adapter *adapter,
-			    int addr, int kind)
+static int bt866_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	struct bt866 *encoder;
-	struct i2c_client *client;
 
-	client = kzalloc(sizeof(*client), GFP_KERNEL);
-	if (client == NULL)
-		return -ENOMEM;
-	memcpy(client, &bt866_client_tmpl, sizeof(*client));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	encoder = kzalloc(sizeof(*encoder), GFP_KERNEL);
-	if (encoder == NULL) {
-		kfree(client);
+	if (encoder == NULL)
 		return -ENOMEM;
-	}
 
 	i2c_set_clientdata(client, encoder);
-	client->adapter = adapter;
-	client->addr = addr;
-	sprintf(client->name, "%s-%02x", BT866_DEVNAME, adapter->id);
-
-	encoder->i2c = client;
-	encoder->addr = addr;
-	//encoder->encoder_type = ENCODER_TYPE_UNKNOWN;
-
-	/* initialize */
-
-	i2c_attach_client(client);
-
-	return 0;
-}
-
-static int bt866_attach(struct i2c_adapter *adapter)
-{
-	if (adapter->id == I2C_HW_B_ZR36067)
-		return i2c_probe(adapter, &addr_data, bt866_found_proc);
-	return 0;
-}
-
-static int bt866_detach(struct i2c_client *client)
-{
-	struct bt866 *encoder = i2c_get_clientdata(client);
-
-	i2c_detach_client(client);
-	kfree(encoder);
-	kfree(client);
-
 	return 0;
 }
 
-static int bt866_command(struct i2c_client *client,
-			 unsigned int cmd, void *arg)
+static int bt866_remove(struct i2c_client *client)
 {
-	struct bt866 *encoder = i2c_get_clientdata(client);
-	return bt866_do_command(encoder, cmd, arg);
-}
-
-static int __devinit bt866_init(void)
-{
-	i2c_add_driver(&i2c_driver_bt866);
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
-static void __devexit bt866_exit(void)
+static int bt866_legacy_probe(struct i2c_adapter *adapter)
 {
-	i2c_del_driver(&i2c_driver_bt866);
+	return adapter->id == I2C_HW_B_ZR36067;
 }
 
-module_init(bt866_init);
-module_exit(bt866_exit);
+static const struct i2c_device_id bt866_id[] = {
+	{ "bt866", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, bt866_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "bt866",
+	.driverid = I2C_DRIVERID_BT866,
+	.command = bt866_command,
+	.probe = bt866_probe,
+	.remove = bt866_remove,
+	.legacy_probe = bt866_legacy_probe,
+	.id_table = bt866_id,
+};
-- 
GitLab


From 9875c0fb32246f97a9f40bdfe027544b8827f156 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 08:00:14 -0300
Subject: [PATCH 1026/2224] V4L/DVB (9203): ks0127: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ks0127.c | 476 ++++++++++++++++-------------------
 1 file changed, 212 insertions(+), 264 deletions(-)

diff --git a/drivers/media/video/ks0127.c b/drivers/media/video/ks0127.c
index 2fd4b4a44aa..bae2d2beb70 100644
--- a/drivers/media/video/ks0127.c
+++ b/drivers/media/video/ks0127.c
@@ -33,27 +33,20 @@
  * V1.1 Gerard v.d. Horst  Added some debugoutput, reset the video-standard
  */
 
-#ifndef __KERNEL__
-#define __KERNEL__
-#endif
-
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/proc_fs.h>
-#include "ks0127.h"
-
 #include <linux/i2c.h>
 #include <linux/video_decoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
+#include "ks0127.h"
 
-#define dprintk     if (debug) printk
-
-/* i2c identification */
-#define I2C_KS0127_ADDON   0xD8
-#define I2C_KS0127_ONBOARD 0xDA
+MODULE_DESCRIPTION("KS0127 video decoder driver");
+MODULE_AUTHOR("Ryan Drake");
+MODULE_LICENSE("GPL");
 
 #define KS_TYPE_UNKNOWN	0
 #define KS_TYPE_0122S	1
@@ -204,8 +197,6 @@ struct adjust {
 };
 
 struct ks0127 {
-	struct i2c_client *client;
-	unsigned char	addr;
 	int		format_width;
 	int		format_height;
 	int		cap_width;
@@ -220,16 +211,18 @@ static int debug; /* insmod parameter */
 
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug output");
-MODULE_LICENSE("GPL");
 
 static u8 reg_defaults[64];
 
-
-
 static void init_reg_defaults(void)
 {
+	static int initialized;
 	u8 *table = reg_defaults;
 
+	if (initialized)
+		return;
+	initialized = 1;
+
 	table[KS_CMDA]     = 0x2c;  /* VSE=0, CCIR 601, autodetect standard */
 	table[KS_CMDB]     = 0x12;  /* VALIGN=0, AGC control and input */
 	table[KS_CMDC]     = 0x00;  /* Test options */
@@ -308,50 +301,53 @@ static void init_reg_defaults(void)
  * An explanation from kayork@mail.utexas.edu:
  *
  * During I2C reads, the KS0127 only samples for a stop condition
- * during the place where the acknoledge bit should be. Any standard
+ * during the place where the acknowledge bit should be. Any standard
  * I2C implementation (correctly) throws in another clock transition
  * at the 9th bit, and the KS0127 will not recognize the stop condition
  * and will continue to clock out data.
  *
  * So we have to do the read ourself.  Big deal.
-	   workaround in i2c-algo-bit
+ *	   workaround in i2c-algo-bit
  */
 
 
-static u8 ks0127_read(struct ks0127 *ks, u8 reg)
+static u8 ks0127_read(struct i2c_client *c, u8 reg)
 {
-	struct i2c_client *c = ks->client;
 	char val = 0;
 	struct i2c_msg msgs[] = {
-		{c->addr, 0, sizeof(reg), &reg},
-		{c->addr, I2C_M_RD | I2C_M_NO_RD_ACK, sizeof(val), &val}};
+		{ c->addr, 0, sizeof(reg), &reg },
+		{ c->addr, I2C_M_RD | I2C_M_NO_RD_ACK, sizeof(val), &val }
+	};
 	int ret;
 
 	ret = i2c_transfer(c->adapter, msgs, ARRAY_SIZE(msgs));
 	if (ret != ARRAY_SIZE(msgs))
-		dprintk("ks0127_write error\n");
+		v4l_dbg(1, debug, c, "read error\n");
 
 	return val;
 }
 
 
-static void ks0127_write(struct ks0127 *ks, u8 reg, u8 val)
+static void ks0127_write(struct i2c_client *c, u8 reg, u8 val)
 {
-	char msg[] = {reg, val};
+	struct ks0127 *ks = i2c_get_clientdata(c);
+	char msg[] = { reg, val };
 
-	if (i2c_master_send(ks->client, msg, sizeof(msg)) != sizeof(msg))
-		dprintk("ks0127_write error\n");
+	if (i2c_master_send(c, msg, sizeof(msg)) != sizeof(msg))
+		v4l_dbg(1, debug, c, "write error\n");
 
 	ks->regs[reg] = val;
 }
 
 
 /* generic bit-twiddling */
-static void ks0127_and_or(struct ks0127 *ks, u8 reg, u8 and_v, u8 or_v)
+static void ks0127_and_or(struct i2c_client *client, u8 reg, u8 and_v, u8 or_v)
 {
+	struct ks0127 *ks = i2c_get_clientdata(client);
+
 	u8 val = ks->regs[reg];
 	val = (val & and_v) | or_v;
-	ks0127_write(ks, reg, val);
+	ks0127_write(client, reg, val);
 }
 
 
@@ -359,73 +355,69 @@ static void ks0127_and_or(struct ks0127 *ks, u8 reg, u8 and_v, u8 or_v)
 /****************************************************************************
 * ks0127 private api
 ****************************************************************************/
-static void ks0127_reset(struct ks0127* ks)
+static void ks0127_reset(struct i2c_client *c)
 {
-	int i;
+	struct ks0127 *ks = i2c_get_clientdata(c);
 	u8 *table = reg_defaults;
+	int i;
 
 	ks->ks_type = KS_TYPE_UNKNOWN;
 
-	dprintk("ks0127: reset\n");
+	v4l_dbg(1, debug, c, "reset\n");
 	msleep(1);
 
 	/* initialize all registers to known values */
 	/* (except STAT, 0x21, 0x22, TEST and 0x38,0x39) */
 
-	for(i = 1; i < 33; i++)
-		ks0127_write(ks, i, table[i]);
+	for (i = 1; i < 33; i++)
+		ks0127_write(c, i, table[i]);
 
-	for(i = 35; i < 40; i++)
-		ks0127_write(ks, i, table[i]);
+	for (i = 35; i < 40; i++)
+		ks0127_write(c, i, table[i]);
 
-	for(i = 41; i < 56; i++)
-		ks0127_write(ks, i, table[i]);
+	for (i = 41; i < 56; i++)
+		ks0127_write(c, i, table[i]);
 
-	for(i = 58; i < 64; i++)
-		ks0127_write(ks, i, table[i]);
+	for (i = 58; i < 64; i++)
+		ks0127_write(c, i, table[i]);
 
 
-	if ((ks0127_read(ks, KS_STAT) & 0x80) == 0) {
+	if ((ks0127_read(c, KS_STAT) & 0x80) == 0) {
 		ks->ks_type = KS_TYPE_0122S;
-		dprintk("ks0127: ks0122s Found\n");
+		v4l_dbg(1, debug, c, "ks0122s found\n");
 		return;
 	}
 
-	switch(ks0127_read(ks, KS_CMDE) & 0x0f) {
-
+	switch (ks0127_read(c, KS_CMDE) & 0x0f) {
 	case 0:
 		ks->ks_type = KS_TYPE_0127;
-		dprintk("ks0127: ks0127 found\n");
+		v4l_dbg(1, debug, c, "ks0127 found\n");
 		break;
 
 	case 9:
 		ks->ks_type = KS_TYPE_0127B;
-		dprintk("ks0127: ks0127B Revision A found\n");
+		v4l_dbg(1, debug, c, "ks0127B Revision A found\n");
 		break;
 
 	default:
-		dprintk("ks0127: unknown revision\n");
+		v4l_dbg(1, debug, c, "unknown revision\n");
 		break;
 	}
 }
 
-static int ks0127_command(struct i2c_client *client,
-			  unsigned int cmd, void *arg)
+static int ks0127_command(struct i2c_client *c, unsigned cmd, void *arg)
 {
-	struct ks0127 *ks = i2c_get_clientdata(client);
-
-	int		*iarg = (int*)arg;
-
+	struct ks0127 *ks = i2c_get_clientdata(c);
+	int		*iarg = (int *)arg;
 	int		status;
 
 	if (!ks)
 		return -ENODEV;
 
 	switch (cmd) {
-
 	case DECODER_INIT:
-		dprintk("ks0127: command DECODER_INIT\n");
-		ks0127_reset(ks);
+		v4l_dbg(1, debug, c, "DECODER_INIT\n");
+		ks0127_reset(c);
 		break;
 
 	case DECODER_SET_INPUT:
@@ -436,161 +428,160 @@ static int ks0127_command(struct i2c_client *client,
 		case KS_INPUT_COMPOSITE_4:
 		case KS_INPUT_COMPOSITE_5:
 		case KS_INPUT_COMPOSITE_6:
-			dprintk("ks0127: command DECODER_SET_INPUT %d: "
-				"Composite\n", *iarg);
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_INPUT %d: Composite\n", *iarg);
 			/* autodetect 50/60 Hz */
-			ks0127_and_or(ks, KS_CMDA,   0xfc, 0x00);
+			ks0127_and_or(c, KS_CMDA,   0xfc, 0x00);
 			/* VSE=0 */
-			ks0127_and_or(ks, KS_CMDA,   ~0x40, 0x00);
+			ks0127_and_or(c, KS_CMDA,   ~0x40, 0x00);
 			/* set input line */
-			ks0127_and_or(ks, KS_CMDB,   0xb0, *iarg);
+			ks0127_and_or(c, KS_CMDB,   0xb0, *iarg);
 			/* non-freerunning mode */
-			ks0127_and_or(ks, KS_CMDC,   0x70, 0x0a);
+			ks0127_and_or(c, KS_CMDC,   0x70, 0x0a);
 			/* analog input */
-			ks0127_and_or(ks, KS_CMDD,   0x03, 0x00);
+			ks0127_and_or(c, KS_CMDD,   0x03, 0x00);
 			/* enable chroma demodulation */
-			ks0127_and_or(ks, KS_CTRACK, 0xcf, 0x00);
+			ks0127_and_or(c, KS_CTRACK, 0xcf, 0x00);
 			/* chroma trap, HYBWR=1 */
-			ks0127_and_or(ks, KS_LUMA,   0x00,
+			ks0127_and_or(c, KS_LUMA,   0x00,
 				       (reg_defaults[KS_LUMA])|0x0c);
 			/* scaler fullbw, luma comb off */
-			ks0127_and_or(ks, KS_VERTIA, 0x08, 0x81);
+			ks0127_and_or(c, KS_VERTIA, 0x08, 0x81);
 			/* manual chroma comb .25 .5 .25 */
-			ks0127_and_or(ks, KS_VERTIC, 0x0f, 0x90);
+			ks0127_and_or(c, KS_VERTIC, 0x0f, 0x90);
 
 			/* chroma path delay */
-			ks0127_and_or(ks, KS_CHROMB, 0x0f, 0x90);
+			ks0127_and_or(c, KS_CHROMB, 0x0f, 0x90);
 
-			ks0127_write(ks, KS_UGAIN, reg_defaults[KS_UGAIN]);
-			ks0127_write(ks, KS_VGAIN, reg_defaults[KS_VGAIN]);
-			ks0127_write(ks, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
-			ks0127_write(ks, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
+			ks0127_write(c, KS_UGAIN, reg_defaults[KS_UGAIN]);
+			ks0127_write(c, KS_VGAIN, reg_defaults[KS_VGAIN]);
+			ks0127_write(c, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
+			ks0127_write(c, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
 			break;
 
 		case KS_INPUT_SVIDEO_1:
 		case KS_INPUT_SVIDEO_2:
 		case KS_INPUT_SVIDEO_3:
-			dprintk("ks0127: command DECODER_SET_INPUT %d: "
-				"S-Video\n", *iarg);
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_INPUT %d: S-Video\n", *iarg);
 			/* autodetect 50/60 Hz */
-			ks0127_and_or(ks, KS_CMDA,   0xfc, 0x00);
+			ks0127_and_or(c, KS_CMDA,   0xfc, 0x00);
 			/* VSE=0 */
-			ks0127_and_or(ks, KS_CMDA,   ~0x40, 0x00);
+			ks0127_and_or(c, KS_CMDA,   ~0x40, 0x00);
 			/* set input line */
-			ks0127_and_or(ks, KS_CMDB,   0xb0, *iarg);
+			ks0127_and_or(c, KS_CMDB,   0xb0, *iarg);
 			/* non-freerunning mode */
-			ks0127_and_or(ks, KS_CMDC,   0x70, 0x0a);
+			ks0127_and_or(c, KS_CMDC,   0x70, 0x0a);
 			/* analog input */
-			ks0127_and_or(ks, KS_CMDD,   0x03, 0x00);
+			ks0127_and_or(c, KS_CMDD,   0x03, 0x00);
 			/* enable chroma demodulation */
-			ks0127_and_or(ks, KS_CTRACK, 0xcf, 0x00);
-			ks0127_and_or(ks, KS_LUMA, 0x00,
+			ks0127_and_or(c, KS_CTRACK, 0xcf, 0x00);
+			ks0127_and_or(c, KS_LUMA, 0x00,
 				       reg_defaults[KS_LUMA]);
 			/* disable luma comb */
-			ks0127_and_or(ks, KS_VERTIA, 0x08,
+			ks0127_and_or(c, KS_VERTIA, 0x08,
 				       (reg_defaults[KS_VERTIA]&0xf0)|0x01);
-			ks0127_and_or(ks, KS_VERTIC, 0x0f,
+			ks0127_and_or(c, KS_VERTIC, 0x0f,
 				       reg_defaults[KS_VERTIC]&0xf0);
 
-			ks0127_and_or(ks, KS_CHROMB, 0x0f,
+			ks0127_and_or(c, KS_CHROMB, 0x0f,
 				       reg_defaults[KS_CHROMB]&0xf0);
 
-			ks0127_write(ks, KS_UGAIN, reg_defaults[KS_UGAIN]);
-			ks0127_write(ks, KS_VGAIN, reg_defaults[KS_VGAIN]);
-			ks0127_write(ks, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
-			ks0127_write(ks, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
+			ks0127_write(c, KS_UGAIN, reg_defaults[KS_UGAIN]);
+			ks0127_write(c, KS_VGAIN, reg_defaults[KS_VGAIN]);
+			ks0127_write(c, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
+			ks0127_write(c, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
 			break;
 
 		case KS_INPUT_YUV656:
-			dprintk("ks0127: command DECODER_SET_INPUT 15: "
-				"YUV656\n");
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_INPUT 15: YUV656\n");
 			if (ks->norm == VIDEO_MODE_NTSC ||
 			    ks->norm == KS_STD_PAL_M)
 				/* force 60 Hz */
-				ks0127_and_or(ks, KS_CMDA,   0xfc, 0x03);
+				ks0127_and_or(c, KS_CMDA,   0xfc, 0x03);
 			else
 				/* force 50 Hz */
-				ks0127_and_or(ks, KS_CMDA,   0xfc, 0x02);
+				ks0127_and_or(c, KS_CMDA,   0xfc, 0x02);
 
-			ks0127_and_or(ks, KS_CMDA,   0xff, 0x40); /* VSE=1 */
+			ks0127_and_or(c, KS_CMDA,   0xff, 0x40); /* VSE=1 */
 			/* set input line and VALIGN */
-			ks0127_and_or(ks, KS_CMDB,   0xb0, (*iarg | 0x40));
+			ks0127_and_or(c, KS_CMDB,   0xb0, (*iarg | 0x40));
 			/* freerunning mode, */
 			/* TSTGEN = 1 TSTGFR=11 TSTGPH=0 TSTGPK=0  VMEM=1*/
-			ks0127_and_or(ks, KS_CMDC,   0x70, 0x87);
+			ks0127_and_or(c, KS_CMDC,   0x70, 0x87);
 			/* digital input, SYNDIR = 0 INPSL=01 CLKDIR=0 EAV=0 */
-			ks0127_and_or(ks, KS_CMDD,   0x03, 0x08);
+			ks0127_and_or(c, KS_CMDD,   0x03, 0x08);
 			/* disable chroma demodulation */
-			ks0127_and_or(ks, KS_CTRACK, 0xcf, 0x30);
+			ks0127_and_or(c, KS_CTRACK, 0xcf, 0x30);
 			/* HYPK =01 CTRAP = 0 HYBWR=0 PED=1 RGBH=1 UNIT=1 */
-			ks0127_and_or(ks, KS_LUMA,   0x00, 0x71);
-			ks0127_and_or(ks, KS_VERTIC, 0x0f,
+			ks0127_and_or(c, KS_LUMA,   0x00, 0x71);
+			ks0127_and_or(c, KS_VERTIC, 0x0f,
 				       reg_defaults[KS_VERTIC]&0xf0);
 
 			/* scaler fullbw, luma comb off */
-			ks0127_and_or(ks, KS_VERTIA, 0x08, 0x81);
+			ks0127_and_or(c, KS_VERTIA, 0x08, 0x81);
 
-			ks0127_and_or(ks, KS_CHROMB, 0x0f,
+			ks0127_and_or(c, KS_CHROMB, 0x0f,
 				       reg_defaults[KS_CHROMB]&0xf0);
 
-			ks0127_and_or(ks, KS_CON, 0x00, 0x00);
-			ks0127_and_or(ks, KS_BRT, 0x00, 32);	/* spec: 34 */
+			ks0127_and_or(c, KS_CON, 0x00, 0x00);
+			ks0127_and_or(c, KS_BRT, 0x00, 32);	/* spec: 34 */
 				/* spec: 229 (e5) */
-			ks0127_and_or(ks, KS_SAT, 0x00, 0xe8);
-			ks0127_and_or(ks, KS_HUE, 0x00, 0);
+			ks0127_and_or(c, KS_SAT, 0x00, 0xe8);
+			ks0127_and_or(c, KS_HUE, 0x00, 0);
 
-			ks0127_and_or(ks, KS_UGAIN, 0x00, 238);
-			ks0127_and_or(ks, KS_VGAIN, 0x00, 0x00);
+			ks0127_and_or(c, KS_UGAIN, 0x00, 238);
+			ks0127_and_or(c, KS_VGAIN, 0x00, 0x00);
 
 			/*UOFF:0x30, VOFF:0x30, TSTCGN=1 */
-			ks0127_and_or(ks, KS_UVOFFH, 0x00, 0x4f);
-			ks0127_and_or(ks, KS_UVOFFL, 0x00, 0x00);
+			ks0127_and_or(c, KS_UVOFFH, 0x00, 0x4f);
+			ks0127_and_or(c, KS_UVOFFL, 0x00, 0x00);
 			break;
 
 		default:
-			dprintk("ks0127: command DECODER_SET_INPUT: "
-				"Unknown input %d\n", *iarg);
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_INPUT: Unknown input %d\n", *iarg);
 			break;
 		}
 
 		/* hack: CDMLPF sometimes spontaneously switches on; */
 		/* force back off */
-		ks0127_write(ks, KS_DEMOD, reg_defaults[KS_DEMOD]);
+		ks0127_write(c, KS_DEMOD, reg_defaults[KS_DEMOD]);
 		break;
 
 	case DECODER_SET_OUTPUT:
 		switch(*iarg) {
 		case KS_OUTPUT_YUV656E:
-			dprintk("ks0127: command DECODER_SET_OUTPUT: "
-				"OUTPUT_YUV656E (Missing)\n");
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_OUTPUT: OUTPUT_YUV656E (Missing)\n");
 			return -EINVAL;
-			break;
 
 		case KS_OUTPUT_EXV:
-			dprintk("ks0127: command DECODER_SET_OUTPUT: "
-				"OUTPUT_EXV\n");
-			ks0127_and_or(ks, KS_OFMTA, 0xf0, 0x09);
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_OUTPUT: OUTPUT_EXV\n");
+			ks0127_and_or(c, KS_OFMTA, 0xf0, 0x09);
 			break;
 		}
 		break;
 
-	case DECODER_SET_NORM: //sam This block mixes old and new norm names...
+	case DECODER_SET_NORM: /* sam This block mixes old and new norm names... */
 		/* Set to automatic SECAM/Fsc mode */
-		ks0127_and_or(ks, KS_DEMOD, 0xf0, 0x00);
+		ks0127_and_or(c, KS_DEMOD, 0xf0, 0x00);
 
 		ks->norm = *iarg;
-		switch(*iarg)
-		{
+		switch (*iarg) {
 		/* this is untested !! */
 		/* It just detects PAL_N/NTSC_M (no special frequencies) */
 		/* And you have to set the standard a second time afterwards */
 		case VIDEO_MODE_AUTO:
-			dprintk("ks0127: command DECODER_SET_NORM: AUTO\n");
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_NORM: AUTO\n");
 
 			/* The chip determines the format */
 			/* based on the current field rate */
-			ks0127_and_or(ks, KS_CMDA,   0xfc, 0x00);
-			ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x20);
+			ks0127_and_or(c, KS_CMDA,   0xfc, 0x00);
+			ks0127_and_or(c, KS_CHROMA, 0x9f, 0x20);
 			/* This is wrong for PAL ! As I said, */
 			/* you need to set the standard once again !! */
 			ks->format_height = 240;
@@ -598,84 +589,86 @@ static int ks0127_command(struct i2c_client *client,
 			break;
 
 		case VIDEO_MODE_NTSC:
-			dprintk("ks0127: command DECODER_SET_NORM: NTSC_M\n");
-			ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x20);
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_NORM: NTSC_M\n");
+			ks0127_and_or(c, KS_CHROMA, 0x9f, 0x20);
 			ks->format_height = 240;
 			ks->format_width = 704;
 			break;
 
 		case KS_STD_NTSC_N:
-			dprintk("ks0127: command KS0127_SET_STANDARD: "
-				"NTSC_N (fixme)\n");
-			ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x40);
+			v4l_dbg(1, debug, c,
+				"KS0127_SET_NORM: NTSC_N (fixme)\n");
+			ks0127_and_or(c, KS_CHROMA, 0x9f, 0x40);
 			ks->format_height = 240;
 			ks->format_width = 704;
 			break;
 
 		case VIDEO_MODE_PAL:
-			dprintk("ks0127: command DECODER_SET_NORM: PAL_N\n");
-			ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x20);
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_NORM: PAL_N\n");
+			ks0127_and_or(c, KS_CHROMA, 0x9f, 0x20);
 			ks->format_height = 290;
 			ks->format_width = 704;
 			break;
 
 		case KS_STD_PAL_M:
-			dprintk("ks0127: command KS0127_SET_STANDARD: "
-				"PAL_M (fixme)\n");
-			ks0127_and_or(ks, KS_CHROMA, 0x9f, 0x40);
+			v4l_dbg(1, debug, c,
+				"KS0127_SET_NORM: PAL_M (fixme)\n");
+			ks0127_and_or(c, KS_CHROMA, 0x9f, 0x40);
 			ks->format_height = 290;
 			ks->format_width = 704;
 			break;
 
 		case VIDEO_MODE_SECAM:
-			dprintk("ks0127: command KS0127_SET_STANDARD: "
-				"SECAM\n");
+			v4l_dbg(1, debug, c,
+				"KS0127_SET_NORM: SECAM\n");
 			ks->format_height = 290;
 			ks->format_width = 704;
 
 			/* set to secam autodetection */
-			ks0127_and_or(ks, KS_CHROMA, 0xdf, 0x20);
-			ks0127_and_or(ks, KS_DEMOD, 0xf0, 0x00);
+			ks0127_and_or(c, KS_CHROMA, 0xdf, 0x20);
+			ks0127_and_or(c, KS_DEMOD, 0xf0, 0x00);
 			schedule_timeout_interruptible(HZ/10+1);
 
 			/* did it autodetect? */
-			if (ks0127_read(ks, KS_DEMOD) & 0x40)
+			if (ks0127_read(c, KS_DEMOD) & 0x40)
 				break;
 
 			/* force to secam mode */
-			ks0127_and_or(ks, KS_DEMOD, 0xf0, 0x0f);
+			ks0127_and_or(c, KS_DEMOD, 0xf0, 0x0f);
 			break;
 
 		default:
-			dprintk("ks0127: command DECODER_SET_NORM: "
-				"Unknown norm %d\n", *iarg);
+			v4l_dbg(1, debug, c,
+				"DECODER_SET_NORM: Unknown norm %d\n", *iarg);
 			break;
 		}
 		break;
 
 	case DECODER_SET_PICTURE:
-		dprintk("ks0127: command DECODER_SET_PICTURE "
-			"not yet supported (fixme)\n");
+		v4l_dbg(1, debug, c,
+			"DECODER_SET_PICTURE: not yet supported\n");
 		return -EINVAL;
 
-	//sam todo: KS0127_SET_BRIGHTNESS: Merge into DECODER_SET_PICTURE
-	//sam todo: KS0127_SET_CONTRAST: Merge into DECODER_SET_PICTURE
-	//sam todo: KS0127_SET_HUE: Merge into DECODER_SET_PICTURE?
-	//sam todo: KS0127_SET_SATURATION: Merge into DECODER_SET_PICTURE
-	//sam todo: KS0127_SET_AGC_MODE:
-	//sam todo: KS0127_SET_AGC:
-	//sam todo: KS0127_SET_CHROMA_MODE:
-	//sam todo: KS0127_SET_PIXCLK_MODE:
-	//sam todo: KS0127_SET_GAMMA_MODE:
-	//sam todo: KS0127_SET_UGAIN:
-	//sam todo: KS0127_SET_VGAIN:
-	//sam todo: KS0127_SET_INVALY:
-	//sam todo: KS0127_SET_INVALU:
-	//sam todo: KS0127_SET_INVALV:
-	//sam todo: KS0127_SET_UNUSEY:
-	//sam todo: KS0127_SET_UNUSEU:
-	//sam todo: KS0127_SET_UNUSEV:
-	//sam todo: KS0127_SET_VSALIGN_MODE:
+	/* sam todo: KS0127_SET_BRIGHTNESS: Merge into DECODER_SET_PICTURE */
+	/* sam todo: KS0127_SET_CONTRAST: Merge into DECODER_SET_PICTURE */
+	/* sam todo: KS0127_SET_HUE: Merge into DECODER_SET_PICTURE? */
+	/* sam todo: KS0127_SET_SATURATION: Merge into DECODER_SET_PICTURE */
+	/* sam todo: KS0127_SET_AGC_MODE: */
+	/* sam todo: KS0127_SET_AGC: */
+	/* sam todo: KS0127_SET_CHROMA_MODE: */
+	/* sam todo: KS0127_SET_PIXCLK_MODE: */
+	/* sam todo: KS0127_SET_GAMMA_MODE: */
+	/* sam todo: KS0127_SET_UGAIN: */
+	/* sam todo: KS0127_SET_VGAIN: */
+	/* sam todo: KS0127_SET_INVALY: */
+	/* sam todo: KS0127_SET_INVALU: */
+	/* sam todo: KS0127_SET_INVALV: */
+	/* sam todo: KS0127_SET_UNUSEY: */
+	/* sam todo: KS0127_SET_UNUSEU: */
+	/* sam todo: KS0127_SET_UNUSEV: */
+	/* sam todo: KS0127_SET_VSALIGN_MODE: */
 
 	case DECODER_ENABLE_OUTPUT:
 	{
@@ -684,34 +677,32 @@ static int ks0127_command(struct i2c_client *client,
 		iarg = arg;
 		enable = (*iarg != 0);
 		if (enable) {
-			dprintk("ks0127: command "
-					"DECODER_ENABLE_OUTPUT on "
-					"(%d)\n", enable);
+			v4l_dbg(1, debug, c,
+				"DECODER_ENABLE_OUTPUT on\n");
 			/* All output pins on */
-			ks0127_and_or(ks, KS_OFMTA, 0xcf, 0x30);
+			ks0127_and_or(c, KS_OFMTA, 0xcf, 0x30);
 			/* Obey the OEN pin */
-			ks0127_and_or(ks, KS_CDEM, 0x7f, 0x00);
+			ks0127_and_or(c, KS_CDEM, 0x7f, 0x00);
 		} else {
-			dprintk("ks0127: command "
-					"DECODER_ENABLE_OUTPUT off "
-					"(%d)\n", enable);
+			v4l_dbg(1, debug, c,
+				"DECODER_ENABLE_OUTPUT off\n");
 			/* Video output pins off */
-			ks0127_and_or(ks, KS_OFMTA, 0xcf, 0x00);
+			ks0127_and_or(c, KS_OFMTA, 0xcf, 0x00);
 			/* Ignore the OEN pin */
-			ks0127_and_or(ks, KS_CDEM, 0x7f, 0x80);
+			ks0127_and_or(c, KS_CDEM, 0x7f, 0x80);
 		}
-	}
 		break;
+	}
 
-	//sam todo: KS0127_SET_OUTPUT_MODE:
-	//sam todo: KS0127_SET_WIDTH:
-	//sam todo: KS0127_SET_HEIGHT:
-	//sam todo: KS0127_SET_HSCALE:
+	/* sam todo: KS0127_SET_OUTPUT_MODE: */
+	/* sam todo: KS0127_SET_WIDTH: */
+	/* sam todo: KS0127_SET_HEIGHT: */
+	/* sam todo: KS0127_SET_HSCALE: */
 
 	case DECODER_GET_STATUS:
-		dprintk("ks0127: command DECODER_GET_STATUS\n");
+		v4l_dbg(1, debug, c, "DECODER_GET_STATUS\n");
 		*iarg = 0;
-		status = ks0127_read(ks, KS_STAT);
+		status = ks0127_read(c, KS_STAT);
 		if (!(status & 0x20))		 /* NOVID not set */
 			*iarg = (*iarg | DECODER_STATUS_GOOD);
 		if ((status & 0x01))		      /* CLOCK set */
@@ -722,124 +713,81 @@ static int ks0127_command(struct i2c_client *client,
 			*iarg = (*iarg | DECODER_STATUS_NTSC);
 		break;
 
-	//Catch any unknown command
+	/* Catch any unknown command */
 	default:
-		dprintk("ks0127: command unknown: %04X\n", cmd);
+		v4l_dbg(1, debug, c, "unknown: 0x%08x\n", cmd);
 		return -EINVAL;
 	}
 	return 0;
 }
 
 
-
-
-static int ks0127_probe(struct i2c_adapter *adapter);
-static int ks0127_detach(struct i2c_client *client);
-static int ks0127_command(struct i2c_client *client,
-			  unsigned int cmd, void *arg);
-
-
-
 /* Addresses to scan */
-static unsigned short normal_i2c[] = {I2C_KS0127_ADDON>>1,
-				       I2C_KS0127_ONBOARD>>1, I2C_CLIENT_END};
-static unsigned short probe[2] =	{I2C_CLIENT_END, I2C_CLIENT_END};
-static unsigned short ignore[2] = 	{I2C_CLIENT_END, I2C_CLIENT_END};
-static struct i2c_client_address_data addr_data = {
-	normal_i2c,
-	probe,
-	ignore,
-};
+#define I2C_KS0127_ADDON   0xD8
+#define I2C_KS0127_ONBOARD 0xDA
 
-static struct i2c_driver i2c_driver_ks0127 = {
-	.driver.name = "ks0127",
-	.id             = I2C_DRIVERID_KS0127,
-	.attach_adapter = ks0127_probe,
-	.detach_client  = ks0127_detach,
-	.command        = ks0127_command
+static unsigned short normal_i2c[] = {
+	I2C_KS0127_ADDON >> 1,
+	I2C_KS0127_ONBOARD >> 1,
+	I2C_CLIENT_END
 };
 
-static struct i2c_client ks0127_client_tmpl =
-{
-	.name = "(ks0127 unset)",
-	.addr = 0,
-	.adapter = NULL,
-	.driver = &i2c_driver_ks0127,
-};
+I2C_CLIENT_INSMOD;
 
-static int ks0127_found_proc(struct i2c_adapter *adapter, int addr, int kind)
+static int ks0127_probe(struct i2c_client *c, const struct i2c_device_id *id)
 {
 	struct ks0127 *ks;
-	struct i2c_client *client;
 
-	client = kzalloc(sizeof(*client), GFP_KERNEL);
-	if (client == NULL)
-		return -ENOMEM;
-	memcpy(client, &ks0127_client_tmpl, sizeof(*client));
+	v4l_info(c, "%s chip found @ 0x%x (%s)\n",
+		c->addr == (I2C_KS0127_ADDON >> 1) ? "addon" : "on-board",
+		c->addr << 1, c->adapter->name);
 
 	ks = kzalloc(sizeof(*ks), GFP_KERNEL);
-	if (ks == NULL) {
-		kfree(client);
+	if (ks == NULL)
 		return -ENOMEM;
-	}
 
-	i2c_set_clientdata(client, ks);
-	client->adapter = adapter;
-	client->addr = addr;
-	sprintf(client->name, "ks0127-%02x", adapter->id);
+	i2c_set_clientdata(c, ks);
 
-	ks->client = client;
-	ks->addr = addr;
 	ks->ks_type = KS_TYPE_UNKNOWN;
 
 	/* power up */
-	ks0127_write(ks, KS_CMDA, 0x2c);
+	init_reg_defaults();
+	ks0127_write(c, KS_CMDA, 0x2c);
 	mdelay(10);
 
 	/* reset the device */
-	ks0127_reset(ks);
-	printk(KERN_INFO "ks0127: attach: %s video decoder\n",
-	       ks->addr==(I2C_KS0127_ADDON>>1) ? "addon" : "on-board");
-
-	i2c_attach_client(client);
+	ks0127_reset(c);
 	return 0;
 }
 
-
-static int ks0127_probe(struct i2c_adapter *adapter)
+static int ks0127_remove(struct i2c_client *c)
 {
-	if (adapter->id == I2C_HW_B_ZR36067)
-		return i2c_probe(adapter, &addr_data, ks0127_found_proc);
-	return 0;
-}
-
-static int ks0127_detach(struct i2c_client *client)
-{
-	struct ks0127 *ks = i2c_get_clientdata(client);
+	struct ks0127 *ks = i2c_get_clientdata(c);
 
-	ks0127_write(ks, KS_OFMTA, 0x20); /*tristate*/
-	ks0127_write(ks, KS_CMDA, 0x2c | 0x80); /* power down */
+	ks0127_write(c, KS_OFMTA, 0x20); /* tristate */
+	ks0127_write(c, KS_CMDA, 0x2c | 0x80); /* power down */
 
-	i2c_detach_client(client);
 	kfree(ks);
-	kfree(client);
-
-	dprintk("ks0127: detach\n");
 	return 0;
 }
 
-
-static int __devinit ks0127_init_module(void)
+static int ks0127_legacy_probe(struct i2c_adapter *adapter)
 {
-	init_reg_defaults();
-	return i2c_add_driver(&i2c_driver_ks0127);
+	return adapter->id == I2C_HW_B_ZR36067;
 }
 
-static void __devexit ks0127_cleanup_module(void)
-{
-	i2c_del_driver(&i2c_driver_ks0127);
-}
-
-
-module_init(ks0127_init_module);
-module_exit(ks0127_cleanup_module);
+static const struct i2c_device_id ks0127_id[] = {
+	{ "ks0127", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, ks0127_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "ks0127",
+	.driverid = I2C_DRIVERID_KS0127,
+	.command = ks0127_command,
+	.probe = ks0127_probe,
+	.remove = ks0127_remove,
+	.legacy_probe = ks0127_legacy_probe,
+	.id_table = ks0127_id,
+};
-- 
GitLab


From 85ede69fec2d26789f5782a364fb3a93ebf0b546 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 08:00:32 -0300
Subject: [PATCH 1027/2224] V4L/DVB (9204): saa7110: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/saa7110.c | 242 +++++++++-------------------------
 1 file changed, 64 insertions(+), 178 deletions(-)

diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c
index 4aa82b31070..adf2ba79496 100644
--- a/drivers/media/video/saa7110.c
+++ b/drivers/media/video/saa7110.c
@@ -31,36 +31,24 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/wait.h>
-#include <asm/io.h>
 #include <asm/uaccess.h>
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <linux/video_decoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Philips SAA7110 video decoder driver");
 MODULE_AUTHOR("Pauline Middelink");
 MODULE_LICENSE("GPL");
 
-#include <linux/i2c.h>
-
-#define I2C_NAME(s) (s)->name
-
-#include <linux/videodev.h>
-#include <media/v4l2-common.h>
-#include <linux/video_decoder.h>
-
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 #define SAA7110_MAX_INPUT	9	/* 6 CVBS, 3 SVHS */
 #define SAA7110_MAX_OUTPUT	0	/* its a decoder only */
 
-#define	I2C_SAA7110		0x9C	/* or 0x9E */
-
 #define SAA7110_NR_REG		0x35
 
 struct saa7110 {
@@ -81,10 +69,7 @@ struct saa7110 {
 /* I2C support functions						   */
 /* ----------------------------------------------------------------------- */
 
-static int
-saa7110_write (struct i2c_client *client,
-	       u8                 reg,
-	       u8                 value)
+static int saa7110_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct saa7110 *decoder = i2c_get_clientdata(client);
 
@@ -92,10 +77,7 @@ saa7110_write (struct i2c_client *client,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static int
-saa7110_write_block (struct i2c_client *client,
-		     const u8          *data,
-		     unsigned int       len)
+static int saa7110_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
 {
 	int ret = -1;
 	u8 reg = *data;		/* first register to write to */
@@ -115,8 +97,8 @@ saa7110_write_block (struct i2c_client *client,
 		memcpy(decoder->reg + reg, data + 1, len - 1);
 	} else {
 		for (++data, --len; len; len--) {
-			if ((ret = saa7110_write(client, reg++,
-						 *data++)) < 0)
+			ret = saa7110_write(client, reg++, *data++);
+			if (ret < 0)
 				break;
 		}
 	}
@@ -124,8 +106,7 @@ saa7110_write_block (struct i2c_client *client,
 	return ret;
 }
 
-static inline int
-saa7110_read (struct i2c_client *client)
+static inline int saa7110_read(struct i2c_client *client)
 {
 	return i2c_smbus_read_byte(client);
 }
@@ -138,9 +119,7 @@ saa7110_read (struct i2c_client *client)
 #define FRESP_06H_SVIDEO 0x83	//0xC0
 
 
-static int
-saa7110_selmux (struct i2c_client *client,
-		int                chan)
+static int saa7110_selmux(struct i2c_client *client, int chan)
 {
 	static const unsigned char modes[9][8] = {
 		/* mode 0 */
@@ -197,8 +176,7 @@ static const unsigned char initseq[1 + SAA7110_NR_REG] = {
 	/* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02
 };
 
-static int
-determine_norm (struct i2c_client *client)
+static int determine_norm(struct i2c_client *client)
 {
 	DEFINE_WAIT(wait);
 	struct saa7110 *decoder = i2c_get_clientdata(client);
@@ -212,29 +190,23 @@ determine_norm (struct i2c_client *client)
 	finish_wait(&decoder->wq, &wait);
 	status = saa7110_read(client);
 	if (status & 0x40) {
-		dprintk(1, KERN_INFO "%s: status=0x%02x (no signal)\n",
-			I2C_NAME(client), status);
+		v4l_dbg(1, debug, client, "status=0x%02x (no signal)\n", status);
 		return decoder->norm;	// no change
 	}
 	if ((status & 3) == 0) {
 		saa7110_write(client, 0x06, 0x83);
 		if (status & 0x20) {
-			dprintk(1,
-				KERN_INFO
-				"%s: status=0x%02x (NTSC/no color)\n",
-				I2C_NAME(client), status);
+			v4l_dbg(1, debug, client, "status=0x%02x (NTSC/no color)\n", status);
 			//saa7110_write(client,0x2E,0x81);
 			return VIDEO_MODE_NTSC;
 		}
-		dprintk(1, KERN_INFO "%s: status=0x%02x (PAL/no color)\n",
-			I2C_NAME(client), status);
+		v4l_dbg(1, debug, client, "status=0x%02x (PAL/no color)\n", status);
 		//saa7110_write(client,0x2E,0x9A);
 		return VIDEO_MODE_PAL;
 	}
 	//saa7110_write(client,0x06,0x03);
 	if (status & 0x20) {	/* 60Hz */
-		dprintk(1, KERN_INFO "%s: status=0x%02x (NTSC)\n",
-			I2C_NAME(client), status);
+		v4l_dbg(1, debug, client, "status=0x%02x (NTSC)\n", status);
 		saa7110_write(client, 0x0D, 0x86);
 		saa7110_write(client, 0x0F, 0x50);
 		saa7110_write(client, 0x11, 0x2C);
@@ -254,13 +226,11 @@ determine_norm (struct i2c_client *client)
 
 	status = saa7110_read(client);
 	if ((status & 0x03) == 0x01) {
-		dprintk(1, KERN_INFO "%s: status=0x%02x (SECAM)\n",
-			I2C_NAME(client), status);
+		v4l_dbg(1, debug, client, "status=0x%02x (SECAM)\n", status);
 		saa7110_write(client, 0x0D, 0x87);
 		return VIDEO_MODE_SECAM;
 	}
-	dprintk(1, KERN_INFO "%s: status=0x%02x (PAL)\n", I2C_NAME(client),
-		status);
+	v4l_dbg(1, debug, client, "status=0x%02x (PAL)\n", status);
 	return VIDEO_MODE_PAL;
 }
 
@@ -286,8 +256,8 @@ saa7110_command (struct i2c_client *client,
 		    VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO;
 		dc->inputs = SAA7110_MAX_INPUT;
 		dc->outputs = SAA7110_MAX_OUTPUT;
-	}
 		break;
+	}
 
 	case DECODER_GET_STATUS:
 	{
@@ -295,8 +265,8 @@ saa7110_command (struct i2c_client *client,
 		int res = 0;
 
 		status = saa7110_read(client);
-		dprintk(1, KERN_INFO "%s: status=0x%02x norm=%d\n",
-			I2C_NAME(client), status, decoder->norm);
+		v4l_dbg(1, debug, client, "status=0x%02x norm=%d\n",
+			       status, decoder->norm);
 		if (!(status & 0x40))
 			res |= DECODER_STATUS_GOOD;
 		if (status & 0x03)
@@ -314,8 +284,8 @@ saa7110_command (struct i2c_client *client,
 			break;
 		}
 		*(int *) arg = res;
-	}
 		break;
+	}
 
 	case DECODER_SET_NORM:
 		v = *(int *) arg;
@@ -328,34 +298,24 @@ saa7110_command (struct i2c_client *client,
 				saa7110_write(client, 0x0F, 0x50);
 				saa7110_write(client, 0x11, 0x2C);
 				//saa7110_write(client, 0x2E, 0x81);
-				dprintk(1,
-					KERN_INFO "%s: switched to NTSC\n",
-					I2C_NAME(client));
+				v4l_dbg(1, debug, client, "switched to NTSC\n");
 				break;
 			case VIDEO_MODE_PAL:
 				saa7110_write(client, 0x0D, 0x86);
 				saa7110_write(client, 0x0F, 0x10);
 				saa7110_write(client, 0x11, 0x59);
 				//saa7110_write(client, 0x2E, 0x9A);
-				dprintk(1,
-					KERN_INFO "%s: switched to PAL\n",
-					I2C_NAME(client));
+				v4l_dbg(1, debug, client, "switched to PAL\n");
 				break;
 			case VIDEO_MODE_SECAM:
 				saa7110_write(client, 0x0D, 0x87);
 				saa7110_write(client, 0x0F, 0x10);
 				saa7110_write(client, 0x11, 0x59);
 				//saa7110_write(client, 0x2E, 0x9A);
-				dprintk(1,
-					KERN_INFO
-					"%s: switched to SECAM\n",
-					I2C_NAME(client));
+				v4l_dbg(1, debug, client, "switched to SECAM\n");
 				break;
 			case VIDEO_MODE_AUTO:
-				dprintk(1,
-					KERN_INFO
-					"%s: TV standard detection...\n",
-					I2C_NAME(client));
+				v4l_dbg(1, debug, client, "switched to AUTO\n");
 				decoder->norm = determine_norm(client);
 				*(int *) arg = decoder->norm;
 				break;
@@ -368,15 +328,12 @@ saa7110_command (struct i2c_client *client,
 	case DECODER_SET_INPUT:
 		v = *(int *) arg;
 		if (v < 0 || v > SAA7110_MAX_INPUT) {
-			dprintk(1,
-				KERN_INFO "%s: input=%d not available\n",
-				I2C_NAME(client), v);
+			v4l_dbg(1, debug, client, "input=%d not available\n", v);
 			return -EINVAL;
 		}
 		if (decoder->input != v) {
 			saa7110_selmux(client, v);
-			dprintk(1, KERN_INFO "%s: switched to input=%d\n",
-				I2C_NAME(client), v);
+			v4l_dbg(1, debug, client, "switched to input=%d\n", v);
 		}
 		break;
 
@@ -392,8 +349,7 @@ saa7110_command (struct i2c_client *client,
 		if (decoder->enable != v) {
 			decoder->enable = v;
 			saa7110_write(client, 0x0E, v ? 0x18 : 0x80);
-			dprintk(1, KERN_INFO "%s: YUV %s\n", I2C_NAME(client),
-				v ? "on" : "off");
+			v4l_dbg(1, debug, client, "YUV %s\n", v ? "on" : "off");
 		}
 		break;
 
@@ -423,23 +379,23 @@ saa7110_command (struct i2c_client *client,
 			saa7110_write(client, 0x07,
 				      (decoder->hue >> 8) - 128);
 		}
-	}
 		break;
+	}
 
 	case DECODER_DUMP:
+		if (!debug)
+			break;
 		for (v = 0; v < SAA7110_NR_REG; v += 16) {
 			int j;
-			dprintk(1, KERN_DEBUG "%s: %02x:", I2C_NAME(client),
-				v);
+			v4l_dbg(1, debug, client, "%02x:", v);
 			for (j = 0; j < 16 && v + j < SAA7110_NR_REG; j++)
-				dprintk(1, " %02x", decoder->reg[v + j]);
-			dprintk(1, "\n");
+				printk(KERN_CONT " %02x", decoder->reg[v + j]);
+			printk(KERN_CONT "\n");
 		}
 		break;
 
 	default:
-		dprintk(1, KERN_INFO "unknown saa7110_command??(%d)\n",
-			cmd);
+		v4l_dbg(1, debug, client, "unknown command %08x\n", cmd);
 		return -EINVAL;
 	}
 	return 0;
@@ -451,55 +407,28 @@ saa7110_command (struct i2c_client *client,
  * Generic i2c probe
  * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
  */
-static unsigned short normal_i2c[] = {
-	I2C_SAA7110 >> 1,
-	(I2C_SAA7110 >> 1) + 1,
-	I2C_CLIENT_END
-};
-
-static unsigned short ignore = I2C_CLIENT_END;
 
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
+static unsigned short normal_i2c[] = { 0x9c >> 1, 0x9e >> 1, I2C_CLIENT_END };
 
-static struct i2c_driver i2c_driver_saa7110;
+I2C_CLIENT_INSMOD;
 
-static int
-saa7110_detect_client (struct i2c_adapter *adapter,
-		       int                 address,
-		       int                 kind)
+static int saa7110_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
-	struct i2c_client *client;
 	struct saa7110 *decoder;
 	int rv;
 
-	dprintk(1,
-		KERN_INFO
-		"saa7110.c: detecting saa7110 client on address 0x%x\n",
-		address << 1);
-
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality
-	    (adapter,
-	     I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter,
+		I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_saa7110;
-	strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client)));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL);
-	if (!decoder) {
-		kfree(client);
+	if (!decoder)
 		return -ENOMEM;
-	}
 	decoder->norm = VIDEO_MODE_PAL;
 	decoder->input = 0;
 	decoder->enable = 1;
@@ -510,18 +439,10 @@ saa7110_detect_client (struct i2c_adapter *adapter,
 	init_waitqueue_head(&decoder->wq);
 	i2c_set_clientdata(client, decoder);
 
-	rv = i2c_attach_client(client);
-	if (rv) {
-		kfree(client);
-		kfree(decoder);
-		return rv;
-	}
-
 	rv = saa7110_write_block(client, initseq, sizeof(initseq));
-	if (rv < 0)
-		dprintk(1, KERN_ERR "%s_attach: init status %d\n",
-			I2C_NAME(client), rv);
-	else {
+	if (rv < 0) {
+		v4l_dbg(1, debug, client, "init status %d\n", rv);
+	} else {
 		int ver, status;
 		saa7110_write(client, 0x21, 0x10);
 		saa7110_write(client, 0x0e, 0x18);
@@ -530,10 +451,8 @@ saa7110_detect_client (struct i2c_adapter *adapter,
 		saa7110_write(client, 0x0D, 0x06);
 		//mdelay(150);
 		status = saa7110_read(client);
-		dprintk(1,
-			KERN_INFO
-			"%s_attach: SAA7110A version %x at 0x%02x, status=0x%02x\n",
-			I2C_NAME(client), ver, client->addr << 1, status);
+		v4l_dbg(1, debug, client, "version %x, status=0x%02x\n",
+			       ver, status);
 		saa7110_write(client, 0x0D, 0x86);
 		saa7110_write(client, 0x0F, 0x10);
 		saa7110_write(client, 0x11, 0x59);
@@ -547,58 +466,25 @@ saa7110_detect_client (struct i2c_adapter *adapter,
 	return 0;
 }
 
-static int
-saa7110_attach_adapter (struct i2c_adapter *adapter)
-{
-	dprintk(1,
-		KERN_INFO
-		"saa7110.c: starting probe for adapter %s (0x%x)\n",
-		I2C_NAME(adapter), adapter->id);
-	return i2c_probe(adapter, &addr_data, &saa7110_detect_client);
-}
-
-static int
-saa7110_detach_client (struct i2c_client *client)
+static int saa7110_remove(struct i2c_client *client)
 {
-	struct saa7110 *decoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(decoder);
-	kfree(client);
-
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver i2c_driver_saa7110 = {
-	.driver = {
-		.name = "saa7110",
-	},
-
-	.id = I2C_DRIVERID_SAA7110,
+static const struct i2c_device_id saa7110_id[] = {
+	{ "saa7110", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, saa7110_id);
 
-	.attach_adapter = saa7110_attach_adapter,
-	.detach_client = saa7110_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "saa7110",
+	.driverid = I2C_DRIVERID_SAA7110,
 	.command = saa7110_command,
+	.probe = saa7110_probe,
+	.remove = saa7110_remove,
+	.id_table = saa7110_id,
 };
-
-static int __init
-saa7110_init (void)
-{
-	return i2c_add_driver(&i2c_driver_saa7110);
-}
-
-static void __exit
-saa7110_exit (void)
-{
-	i2c_del_driver(&i2c_driver_saa7110);
-}
-
-module_init(saa7110_init);
-module_exit(saa7110_exit);
-- 
GitLab


From 4e1a04d90099fa904f007cd34c8432b2e2af4d89 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 08:00:49 -0300
Subject: [PATCH 1028/2224] V4L/DVB (9205): saa7111: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/saa7111.c | 224 +++++++++-------------------------
 1 file changed, 58 insertions(+), 166 deletions(-)

diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c
index 96c3d435772..a4738a2fb4d 100644
--- a/drivers/media/video/saa7111.c
+++ b/drivers/media/video/saa7111.c
@@ -28,43 +28,24 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
 #include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <linux/video_decoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Philips SAA7111 video decoder driver");
 MODULE_AUTHOR("Dave Perks");
 MODULE_LICENSE("GPL");
 
-
-#define I2C_NAME(s) (s)->name
-
-
 static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 /* ----------------------------------------------------------------------- */
 
 #define SAA7111_NR_REG		0x18
@@ -77,14 +58,9 @@ struct saa7111 {
 	int enable;
 };
 
-#define   I2C_SAA7111        0x48
-
 /* ----------------------------------------------------------------------- */
 
-static inline int
-saa7111_write (struct i2c_client *client,
-	       u8                 reg,
-	       u8                 value)
+static inline int saa7111_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct saa7111 *decoder = i2c_get_clientdata(client);
 
@@ -92,8 +68,7 @@ saa7111_write (struct i2c_client *client,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static inline void
-saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value)
+static inline void saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct saa7111 *decoder = i2c_get_clientdata(client);
 
@@ -103,10 +78,7 @@ saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value)
 	}
 }
 
-static int
-saa7111_write_block (struct i2c_client *client,
-		     const u8          *data,
-		     unsigned int       len)
+static int saa7111_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
 {
 	int ret = -1;
 	u8 reg;
@@ -127,18 +99,17 @@ saa7111_write_block (struct i2c_client *client,
 				    decoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
-			} while (len >= 2 && data[0] == reg &&
-				 block_len < 32);
-			if ((ret = i2c_master_send(client, block_data,
-						   block_len)) < 0)
+			} while (len >= 2 && data[0] == reg && block_len < 32);
+			ret = i2c_master_send(client, block_data, block_len);
+			if (ret < 0)
 				break;
 		}
 	} else {
 		/* do some slow I2C emulation kind of thing */
 		while (len >= 2) {
 			reg = *data++;
-			if ((ret = saa7111_write(client, reg,
-						 *data++)) < 0)
+			ret = saa7111_write(client, reg, *data++);
+			if (ret < 0)
 				break;
 			len -= 2;
 		}
@@ -147,16 +118,13 @@ saa7111_write_block (struct i2c_client *client,
 	return ret;
 }
 
-static int
-saa7111_init_decoder (struct i2c_client *client,
-	      struct video_decoder_init *init)
+static int saa7111_init_decoder(struct i2c_client *client,
+		struct video_decoder_init *init)
 {
 	return saa7111_write_block(client, init->data, init->len);
 }
 
-static inline int
-saa7111_read (struct i2c_client *client,
-	      u8                 reg)
+static inline int saa7111_read(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
 }
@@ -203,28 +171,23 @@ static const unsigned char saa7111_i2c_init[] = {
 	0x17, 0x00,		/* 17 - VBI */
 };
 
-static int
-saa7111_command (struct i2c_client *client,
-		 unsigned int       cmd,
-		 void              *arg)
+static int saa7111_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct saa7111 *decoder = i2c_get_clientdata(client);
 
 	switch (cmd) {
-
 	case 0:
 		break;
 	case DECODER_INIT:
 	{
 		struct video_decoder_init *init = arg;
+		struct video_decoder_init vdi;
+
 		if (NULL != init)
 			return saa7111_init_decoder(client, init);
-		else {
-			struct video_decoder_init vdi;
-			vdi.data = saa7111_i2c_init;
-			vdi.len = sizeof(saa7111_i2c_init);
-			return saa7111_init_decoder(client, &vdi);
-		}
+		vdi.data = saa7111_i2c_init;
+		vdi.len = sizeof(saa7111_i2c_init);
+		return saa7111_init_decoder(client, &vdi);
 	}
 
 	case DECODER_DUMP:
@@ -234,15 +197,15 @@ saa7111_command (struct i2c_client *client,
 		for (i = 0; i < SAA7111_NR_REG; i += 16) {
 			int j;
 
-			printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
+			v4l_info(client, "%03x", i);
 			for (j = 0; j < 16 && i + j < SAA7111_NR_REG; ++j) {
-				printk(" %02x",
+				printk(KERN_CONT " %02x",
 				       saa7111_read(client, i + j));
 			}
-			printk("\n");
+			printk(KERN_CONT "\n");
 		}
-	}
 		break;
+	}
 
 	case DECODER_GET_CAPABILITIES:
 	{
@@ -255,8 +218,8 @@ saa7111_command (struct i2c_client *client,
 			     VIDEO_DECODER_CCIR;
 		cap->inputs = 8;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case DECODER_GET_STATUS:
 	{
@@ -265,8 +228,7 @@ saa7111_command (struct i2c_client *client,
 		int res;
 
 		status = saa7111_read(client, 0x1f);
-		dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client),
-			status);
+		v4l_dbg(1, debug, client, "status: 0x%02x\n", status);
 		res = 0;
 		if ((status & (1 << 6)) == 0) {
 			res |= DECODER_STATUS_GOOD;
@@ -294,8 +256,8 @@ saa7111_command (struct i2c_client *client,
 			res |= DECODER_STATUS_COLOR;
 		}
 		*iarg = res;
-	}
 		break;
+	}
 
 	case DECODER_SET_GPIO:
 	{
@@ -362,8 +324,8 @@ saa7111_command (struct i2c_client *client,
 
 		}
 		decoder->norm = *iarg;
-	}
 		break;
+	}
 
 	case DECODER_SET_INPUT:
 	{
@@ -387,8 +349,8 @@ saa7111_command (struct i2c_client *client,
 							     3) ? 0x80 :
 							    0));
 		}
-	}
 		break;
+	}
 
 	case DECODER_SET_OUTPUT:
 	{
@@ -398,8 +360,8 @@ saa7111_command (struct i2c_client *client,
 		if (*iarg != 0) {
 			return -EINVAL;
 		}
-	}
 		break;
+	}
 
 	case DECODER_ENABLE_OUTPUT:
 	{
@@ -439,8 +401,8 @@ saa7111_command (struct i2c_client *client,
 					      (decoder->reg[0x11] & 0xf3));
 			}
 		}
-	}
 		break;
+	}
 
 	case DECODER_SET_PICTURE:
 	{
@@ -454,8 +416,8 @@ saa7111_command (struct i2c_client *client,
 		saa7111_write(client, 0x0c, pic->colour >> 9);
 		/* We want -128 to 127 we get 0-65535 */
 		saa7111_write(client, 0x0d, (pic->hue - 32768) >> 8);
-	}
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -466,48 +428,23 @@ saa7111_command (struct i2c_client *client,
 
 /* ----------------------------------------------------------------------- */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = { I2C_SAA7111 >> 1, I2C_CLIENT_END };
-
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
+static unsigned short normal_i2c[] = { 0x48 >> 1, I2C_CLIENT_END };
 
-static struct i2c_driver i2c_driver_saa7111;
+I2C_CLIENT_INSMOD;
 
-static int
-saa7111_detect_client (struct i2c_adapter *adapter,
-		       int                 address,
-		       int                 kind)
+static int saa7111_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	int i;
-	struct i2c_client *client;
 	struct saa7111 *decoder;
 	struct video_decoder_init vdi;
 
-	dprintk(1,
-		KERN_INFO
-		"saa7111.c: detecting saa7111 client on address 0x%x\n",
-		address << 1);
-
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_saa7111;
-	strlcpy(I2C_NAME(client), "saa7111", sizeof(I2C_NAME(client)));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	decoder = kzalloc(sizeof(struct saa7111), GFP_KERNEL);
 	if (decoder == NULL) {
@@ -519,82 +456,37 @@ saa7111_detect_client (struct i2c_adapter *adapter,
 	decoder->enable = 1;
 	i2c_set_clientdata(client, decoder);
 
-	i = i2c_attach_client(client);
-	if (i) {
-		kfree(client);
-		kfree(decoder);
-		return i;
-	}
-
 	vdi.data = saa7111_i2c_init;
 	vdi.len = sizeof(saa7111_i2c_init);
 	i = saa7111_init_decoder(client, &vdi);
 	if (i < 0) {
-		dprintk(1, KERN_ERR "%s_attach error: init status %d\n",
-			I2C_NAME(client), i);
+		v4l_dbg(1, debug, client, "init status %d\n", i);
 	} else {
-		dprintk(1,
-			KERN_INFO
-			"%s_attach: chip version %x at address 0x%x\n",
-			I2C_NAME(client), saa7111_read(client, 0x00) >> 4,
-			client->addr << 1);
+		v4l_dbg(1, debug, client, "revision %x\n",
+			saa7111_read(client, 0x00) >> 4);
 	}
-
 	return 0;
 }
 
-static int
-saa7111_attach_adapter (struct i2c_adapter *adapter)
+static int saa7111_remove(struct i2c_client *client)
 {
-	dprintk(1,
-		KERN_INFO
-		"saa7111.c: starting probe for adapter %s (0x%x)\n",
-		I2C_NAME(adapter), adapter->id);
-	return i2c_probe(adapter, &addr_data, &saa7111_detect_client);
-}
-
-static int
-saa7111_detach_client (struct i2c_client *client)
-{
-	struct saa7111 *decoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(decoder);
-	kfree(client);
-
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver i2c_driver_saa7111 = {
-	.driver = {
-		.name = "saa7111",
-	},
-
-	.id = I2C_DRIVERID_SAA7111A,
+static const struct i2c_device_id saa7111_id[] = {
+	{ "saa7111_old", 0 },	/* "saa7111" maps to the saa7115 driver */
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, saa7111_id);
 
-	.attach_adapter = saa7111_attach_adapter,
-	.detach_client = saa7111_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "saa7111",
+	.driverid = I2C_DRIVERID_SAA7111A,
 	.command = saa7111_command,
+	.probe = saa7111_probe,
+	.remove = saa7111_remove,
+	.id_table = saa7111_id,
 };
-
-static int __init
-saa7111_init (void)
-{
-	return i2c_add_driver(&i2c_driver_saa7111);
-}
-
-static void __exit
-saa7111_exit (void)
-{
-	i2c_del_driver(&i2c_driver_saa7111);
-}
-
-module_init(saa7111_init);
-module_exit(saa7111_exit);
-- 
GitLab


From b3286f6f52beff997e535bb4b5a9f41d912b11d0 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 08:01:05 -0300
Subject: [PATCH 1029/2224] V4L/DVB (9206): saa7114: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/saa7114.c | 364 ++++++++++------------------------
 1 file changed, 108 insertions(+), 256 deletions(-)

diff --git a/drivers/media/video/saa7114.c b/drivers/media/video/saa7114.c
index e79075533be..7ca709fda5f 100644
--- a/drivers/media/video/saa7114.c
+++ b/drivers/media/video/saa7114.c
@@ -29,43 +29,24 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
 #include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <linux/video_decoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Philips SAA7114H video decoder driver");
 MODULE_AUTHOR("Maxim Yevtyushkin");
 MODULE_LICENSE("GPL");
 
-
-#define I2C_NAME(x) (x)->name
-
-
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 /* ----------------------------------------------------------------------- */
 
 struct saa7114 {
@@ -81,9 +62,6 @@ struct saa7114 {
 	int playback;
 };
 
-#define   I2C_SAA7114        0x42
-#define   I2C_SAA7114A       0x40
-
 #define   I2C_DELAY   10
 
 
@@ -129,18 +107,12 @@ struct saa7114 {
 
 /* ----------------------------------------------------------------------- */
 
-static inline int
-saa7114_write (struct i2c_client *client,
-	       u8                 reg,
-	       u8                 value)
+static inline int saa7114_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static int
-saa7114_write_block (struct i2c_client *client,
-		     const u8          *data,
-		     unsigned int       len)
+static int saa7114_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
 {
 	int ret = -1;
 	u8 reg;
@@ -160,18 +132,17 @@ saa7114_write_block (struct i2c_client *client,
 				reg++;
 				len -= 2;
 				data += 2;
-			} while (len >= 2 && data[0] == reg &&
-				 block_len < 32);
-			if ((ret = i2c_master_send(client, block_data,
-						   block_len)) < 0)
+			} while (len >= 2 && data[0] == reg && block_len < 32);
+			ret = i2c_master_send(client, block_data, block_len);
+			if (ret < 0)
 				break;
 		}
 	} else {
 		/* do some slow I2C emulation kind of thing */
 		while (len >= 2) {
 			reg = *data++;
-			if ((ret = saa7114_write(client, reg,
-						 *data++)) < 0)
+			ret = saa7114_write(client, reg, *data++);
+			if (ret < 0)
 				break;
 			len -= 2;
 		}
@@ -180,9 +151,7 @@ saa7114_write_block (struct i2c_client *client,
 	return ret;
 }
 
-static inline int
-saa7114_read (struct i2c_client *client,
-	      u8                 reg)
+static inline int saa7114_read(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
 }
@@ -452,15 +421,11 @@ static const unsigned char init[] = {
 	0xef, 0x00
 };
 
-static int
-saa7114_command (struct i2c_client *client,
-		 unsigned int       cmd,
-		 void              *arg)
+static int saa7114_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct saa7114 *decoder = i2c_get_clientdata(client);
 
 	switch (cmd) {
-
 	case 0:
 		//dprintk(1, KERN_INFO "%s: writing init\n", I2C_NAME(client));
 		//saa7114_write_block(client, init, sizeof(init));
@@ -470,27 +435,28 @@ saa7114_command (struct i2c_client *client,
 	{
 		int i;
 
-		dprintk(1, KERN_INFO "%s: decoder dump\n", I2C_NAME(client));
+		if (!debug)
+			break;
+		v4l_info(client, "decoder dump\n");
 
 		for (i = 0; i < 32; i += 16) {
 			int j;
 
-			printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
+			v4l_info(client, "%03x", i);
 			for (j = 0; j < 16; ++j) {
-				printk(" %02x",
+				printk(KERN_CONT " %02x",
 				       saa7114_read(client, i + j));
 			}
-			printk("\n");
+			printk(KERN_CONT "\n");
 		}
-	}
 		break;
+	}
 
 	case DECODER_GET_CAPABILITIES:
 	{
 		struct video_decoder_capability *cap = arg;
 
-		dprintk(1, KERN_DEBUG "%s: decoder get capabilities\n",
-			I2C_NAME(client));
+		v4l_dbg(1, debug, client, "get capabilities\n");
 
 		cap->flags = VIDEO_DECODER_PAL |
 			     VIDEO_DECODER_NTSC |
@@ -498,8 +464,8 @@ saa7114_command (struct i2c_client *client,
 			     VIDEO_DECODER_CCIR;
 		cap->inputs = 8;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case DECODER_GET_STATUS:
 	{
@@ -509,8 +475,7 @@ saa7114_command (struct i2c_client *client,
 
 		status = saa7114_read(client, 0x1f);
 
-		dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client),
-			status);
+		v4l_dbg(1, debug, client, "status: 0x%02x\n", status);
 		res = 0;
 		if ((status & (1 << 6)) == 0) {
 			res |= DECODER_STATUS_GOOD;
@@ -538,8 +503,8 @@ saa7114_command (struct i2c_client *client,
 			res |= DECODER_STATUS_COLOR;
 		}
 		*iarg = res;
-	}
 		break;
+	}
 
 	case DECODER_SET_NORM:
 	{
@@ -547,12 +512,11 @@ saa7114_command (struct i2c_client *client,
 
 		short int hoff = 0, voff = 0, w = 0, h = 0;
 
-		dprintk(1, KERN_DEBUG "%s: decoder set norm ",
-			I2C_NAME(client));
-		switch (*iarg) {
+		v4l_dbg(1, debug, client, "set norm\n");
 
+		switch (*iarg) {
 		case VIDEO_MODE_NTSC:
-			dprintk(1, "NTSC\n");
+			v4l_dbg(1, debug, client, "NTSC\n");
 			decoder->reg[REG_ADDR(0x06)] =
 			    SAA_7114_NTSC_HSYNC_START;
 			decoder->reg[REG_ADDR(0x07)] =
@@ -571,7 +535,7 @@ saa7114_command (struct i2c_client *client,
 			break;
 
 		case VIDEO_MODE_PAL:
-			dprintk(1, "PAL\n");
+			v4l_dbg(1, debug, client, "PAL\n");
 			decoder->reg[REG_ADDR(0x06)] =
 			    SAA_7114_PAL_HSYNC_START;
 			decoder->reg[REG_ADDR(0x07)] =
@@ -590,9 +554,8 @@ saa7114_command (struct i2c_client *client,
 			break;
 
 		default:
-			dprintk(1, " Unknown video mode!!!\n");
+			v4l_dbg(1, debug, client, "Unknown video mode\n");
 			return -EINVAL;
-
 		}
 
 
@@ -644,22 +607,20 @@ saa7114_command (struct i2c_client *client,
 		saa7114_write(client, 0x80, 0x36);	// i-port and scaler back end clock selection
 
 		decoder->norm = *iarg;
-	}
 		break;
+	}
 
 	case DECODER_SET_INPUT:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_DEBUG "%s: decoder set input (%d)\n",
-			I2C_NAME(client), *iarg);
+		v4l_dbg(1, debug, client, "set input (%d)\n", *iarg);
 		if (*iarg < 0 || *iarg > 7) {
 			return -EINVAL;
 		}
 
 		if (decoder->input != *iarg) {
-			dprintk(1, KERN_DEBUG "%s: now setting %s input\n",
-				I2C_NAME(client),
+			v4l_dbg(1, debug, client, "now setting %s input\n",
 				*iarg >= 6 ? "S-Video" : "Composite");
 			decoder->input = *iarg;
 
@@ -690,30 +651,29 @@ saa7114_command (struct i2c_client *client,
 			saa7114_write(client, 0x0e,
 				      decoder->reg[REG_ADDR(0x0e)]);
 		}
-	}
 		break;
+	}
 
 	case DECODER_SET_OUTPUT:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_DEBUG "%s: decoder set output\n",
-			I2C_NAME(client));
+		v4l_dbg(1, debug, client, "set output\n");
 
 		/* not much choice of outputs */
 		if (*iarg != 0) {
 			return -EINVAL;
 		}
-	}
 		break;
+	}
 
 	case DECODER_ENABLE_OUTPUT:
 	{
 		int *iarg = arg;
 		int enable = (*iarg != 0);
 
-		dprintk(1, KERN_DEBUG "%s: decoder %s output\n",
-			I2C_NAME(client), enable ? "enable" : "disable");
+		v4l_dbg(1, debug, client, "%s output\n",
+			enable ? "enable" : "disable");
 
 		decoder->playback = !enable;
 
@@ -754,18 +714,16 @@ saa7114_command (struct i2c_client *client,
 			saa7114_write(client, 0x80, 0x36);
 
 		}
-	}
 		break;
+	}
 
 	case DECODER_SET_PICTURE:
 	{
 		struct video_picture *pic = arg;
 
-		dprintk(1,
-			KERN_DEBUG
-			"%s: decoder set picture bright=%d contrast=%d saturation=%d hue=%d\n",
-			I2C_NAME(client), pic->brightness, pic->contrast,
-			pic->colour, pic->hue);
+		v4l_dbg(1, debug, client,
+			"decoder set picture bright=%d contrast=%d saturation=%d hue=%d\n",
+			pic->brightness, pic->contrast, pic->colour, pic->hue);
 
 		if (decoder->bright != pic->brightness) {
 			/* We want 0 to 255 we get 0-65535 */
@@ -789,8 +747,8 @@ saa7114_command (struct i2c_client *client,
 			saa7114_write(client, 0x0d,
 				      (decoder->hue - 32768) >> 8);
 		}
-	}
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -801,58 +759,30 @@ saa7114_command (struct i2c_client *client,
 
 /* ----------------------------------------------------------------------- */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] =
-    { I2C_SAA7114 >> 1, I2C_SAA7114A >> 1, I2C_CLIENT_END };
-
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
+static unsigned short normal_i2c[] = { 0x42 >> 1, 0x40 >> 1, I2C_CLIENT_END };
 
-static struct i2c_driver i2c_driver_saa7114;
+I2C_CLIENT_INSMOD;
 
-static int
-saa7114_detect_client (struct i2c_adapter *adapter,
-		       int                 address,
-		       int                 kind)
+static int saa7114_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	int i, err[30];
 	short int hoff = SAA_7114_NTSC_HOFFSET;
 	short int voff = SAA_7114_NTSC_VOFFSET;
 	short int w = SAA_7114_NTSC_WIDTH;
 	short int h = SAA_7114_NTSC_HEIGHT;
-	struct i2c_client *client;
 	struct saa7114 *decoder;
 
-	dprintk(1,
-		KERN_INFO
-		"saa7114.c: detecting saa7114 client on address 0x%x\n",
-		address << 1);
-
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_saa7114;
-	strlcpy(I2C_NAME(client), "saa7114", sizeof(I2C_NAME(client)));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	decoder = kzalloc(sizeof(struct saa7114), GFP_KERNEL);
-	if (decoder == NULL) {
-		kfree(client);
+	if (decoder == NULL)
 		return -ENOMEM;
-	}
 	decoder->norm = VIDEO_MODE_NTSC;
 	decoder->input = -1;
 	decoder->enable = 1;
@@ -937,8 +867,7 @@ saa7114_detect_client (struct i2c_adapter *adapter,
 	decoder->reg[REG_ADDR(0x0e)] |= 1;	// combfilter on
 
 
-	dprintk(1, KERN_DEBUG "%s_attach: starting decoder init\n",
-		I2C_NAME(client));
+	v4l_dbg(1, debug, client, "starting init\n");
 
 	err[0] =
 	    saa7114_write_block(client, decoder->reg + (0x20 << 1),
@@ -962,28 +891,23 @@ saa7114_detect_client (struct i2c_adapter *adapter,
 
 	for (i = 0; i <= 5; i++) {
 		if (err[i] < 0) {
-			dprintk(1,
-				KERN_ERR
-				"%s_attach: init error %d at stage %d, leaving attach.\n",
-				I2C_NAME(client), i, err[i]);
+			v4l_dbg(1, debug, client,
+				"init error %d at stage %d, leaving attach.\n",
+				i, err[i]);
 			kfree(decoder);
-			kfree(client);
-			return 0;
+			return -EIO;
 		}
 	}
 
 	for (i = 6; i < 8; i++) {
-		dprintk(1,
-			KERN_DEBUG
-			"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
-			I2C_NAME(client), i, saa7114_read(client, i),
+		v4l_dbg(1, debug, client,
+			"reg[0x%02x] = 0x%02x (0x%02x)\n",
+			i, saa7114_read(client, i),
 			decoder->reg[REG_ADDR(i)]);
 	}
 
-	dprintk(1,
-		KERN_DEBUG
-		"%s_attach: performing decoder reset sequence\n",
-		I2C_NAME(client));
+	v4l_dbg(1, debug, client,
+		"performing decoder reset sequence\n");
 
 	err[6] = saa7114_write(client, 0x80, 0x06);	// i-port and scaler backend clock selection, task A&B off
 	err[7] = saa7114_write(client, 0x88, 0xd8);	// sw reset scaler
@@ -991,19 +915,15 @@ saa7114_detect_client (struct i2c_adapter *adapter,
 
 	for (i = 6; i <= 8; i++) {
 		if (err[i] < 0) {
-			dprintk(1,
-				KERN_ERR
-				"%s_attach: init error %d at stage %d, leaving attach.\n",
-				I2C_NAME(client), i, err[i]);
+			v4l_dbg(1, debug, client,
+				"init error %d at stage %d, leaving attach.\n",
+				i, err[i]);
 			kfree(decoder);
-			kfree(client);
-			return 0;
+			return -EIO;
 		}
 	}
 
-	dprintk(1, KERN_INFO "%s_attach: performing the rest of init\n",
-		I2C_NAME(client));
-
+	v4l_dbg(1, debug, client, "performing the rest of init\n");
 
 	err[9] = saa7114_write(client, 0x01, decoder->reg[REG_ADDR(0x01)]);
 	err[10] = saa7114_write_block(client, decoder->reg + (0x03 << 1), (0x1e + 1 - 0x03) << 1);	// big seq
@@ -1039,37 +959,32 @@ saa7114_detect_client (struct i2c_adapter *adapter,
 
 	for (i = 9; i <= 18; i++) {
 		if (err[i] < 0) {
-			dprintk(1,
-				KERN_ERR
-				"%s_attach: init error %d at stage %d, leaving attach.\n",
-				I2C_NAME(client), i, err[i]);
+			v4l_dbg(1, debug, client,
+				"init error %d at stage %d, leaving attach.\n",
+				i, err[i]);
 			kfree(decoder);
-			kfree(client);
-			return 0;
+			return -EIO;
 		}
 	}
 
 
 	for (i = 6; i < 8; i++) {
-		dprintk(1,
-			KERN_DEBUG
-			"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
-			I2C_NAME(client), i, saa7114_read(client, i),
+		v4l_dbg(1, debug, client,
+			"reg[0x%02x] = 0x%02x (0x%02x)\n",
+			i, saa7114_read(client, i),
 			decoder->reg[REG_ADDR(i)]);
 	}
 
 
 	for (i = 0x11; i <= 0x13; i++) {
-		dprintk(1,
-			KERN_DEBUG
-			"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
-			I2C_NAME(client), i, saa7114_read(client, i),
+		v4l_dbg(1, debug, client,
+			"reg[0x%02x] = 0x%02x (0x%02x)\n",
+			i, saa7114_read(client, i),
 			decoder->reg[REG_ADDR(i)]);
 	}
 
 
-	dprintk(1, KERN_DEBUG "%s_attach: setting video input\n",
-		I2C_NAME(client));
+	v4l_dbg(1, debug, client, "setting video input\n");
 
 	err[19] =
 	    saa7114_write(client, 0x02, decoder->reg[REG_ADDR(0x02)]);
@@ -1080,20 +995,15 @@ saa7114_detect_client (struct i2c_adapter *adapter,
 
 	for (i = 19; i <= 21; i++) {
 		if (err[i] < 0) {
-			dprintk(1,
-				KERN_ERR
-				"%s_attach: init error %d at stage %d, leaving attach.\n",
-				I2C_NAME(client), i, err[i]);
+			v4l_dbg(1, debug, client,
+				"init error %d at stage %d, leaving attach.\n",
+				i, err[i]);
 			kfree(decoder);
-			kfree(client);
-			return 0;
+			return -EIO;
 		}
 	}
 
-	dprintk(1,
-		KERN_DEBUG
-		"%s_attach: performing decoder reset sequence\n",
-		I2C_NAME(client));
+	v4l_dbg(1, debug, client, "performing decoder reset sequence\n");
 
 	err[22] = saa7114_write(client, 0x88, 0xd8);	// sw reset scaler
 	err[23] = saa7114_write(client, 0x88, 0xf8);	// sw reset scaler release
@@ -1102,13 +1012,11 @@ saa7114_detect_client (struct i2c_adapter *adapter,
 
 	for (i = 22; i <= 24; i++) {
 		if (err[i] < 0) {
-			dprintk(1,
-				KERN_ERR
-				"%s_attach: init error %d at stage %d, leaving attach.\n",
-				I2C_NAME(client), i, err[i]);
+			v4l_dbg(1, debug, client,
+				"init error %d at stage %d, leaving attach.\n",
+				i, err[i]);
 			kfree(decoder);
-			kfree(client);
-			return 0;
+			return -EIO;
 		}
 	}
 
@@ -1116,101 +1024,45 @@ saa7114_detect_client (struct i2c_adapter *adapter,
 	err[26] = saa7114_write(client, 0x07, init[REG_ADDR(0x07)]);
 	err[27] = saa7114_write(client, 0x10, init[REG_ADDR(0x10)]);
 
-	dprintk(1,
-		KERN_INFO
-		"%s_attach: chip version %x, decoder status 0x%02x\n",
-		I2C_NAME(client), saa7114_read(client, 0x00) >> 4,
+	v4l_dbg(1, debug, client, "chip version %x, decoder status 0x%02x\n",
+		saa7114_read(client, 0x00) >> 4,
 		saa7114_read(client, 0x1f));
-	dprintk(1,
-		KERN_DEBUG
-		"%s_attach: power save control: 0x%02x, scaler status: 0x%02x\n",
-		I2C_NAME(client), saa7114_read(client, 0x88),
+	v4l_dbg(1, debug, client,
+		"power save control: 0x%02x, scaler status: 0x%02x\n",
+		saa7114_read(client, 0x88),
 		saa7114_read(client, 0x8f));
 
 
 	for (i = 0x94; i < 0x96; i++) {
-		dprintk(1,
-			KERN_DEBUG
-			"%s_attach: reg[0x%02x] = 0x%02x (0x%02x)\n",
-			I2C_NAME(client), i, saa7114_read(client, i),
+		v4l_dbg(1, debug, client,
+			"reg[0x%02x] = 0x%02x (0x%02x)\n",
+			i, saa7114_read(client, i),
 			decoder->reg[REG_ADDR(i)]);
 	}
 
-	i = i2c_attach_client(client);
-	if (i) {
-		kfree(client);
-		kfree(decoder);
-		return i;
-	}
-
 	//i = saa7114_write_block(client, init, sizeof(init));
-	i = 0;
-	if (i < 0) {
-		dprintk(1, KERN_ERR "%s_attach error: init status %d\n",
-			I2C_NAME(client), i);
-	} else {
-		dprintk(1,
-			KERN_INFO
-			"%s_attach: chip version %x at address 0x%x\n",
-			I2C_NAME(client), saa7114_read(client, 0x00) >> 4,
-			client->addr << 1);
-	}
-
 	return 0;
 }
 
-static int
-saa7114_attach_adapter (struct i2c_adapter *adapter)
-{
-	dprintk(1,
-		KERN_INFO
-		"saa7114.c: starting probe for adapter %s (0x%x)\n",
-		I2C_NAME(adapter), adapter->id);
-	return i2c_probe(adapter, &addr_data, &saa7114_detect_client);
-}
-
-static int
-saa7114_detach_client (struct i2c_client *client)
+static int saa7114_remove(struct i2c_client *client)
 {
-	struct saa7114 *decoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(decoder);
-	kfree(client);
-
+	kfree(i2c_get_clientdata(client));
 	return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver i2c_driver_saa7114 = {
-	.driver = {
-		.name = "saa7114",
-	},
-
-	.id = I2C_DRIVERID_SAA7114,
+static const struct i2c_device_id saa7114_id[] = {
+	{ "saa7114_old", 0 },	/* "saa7114" maps to the saa7115 driver */
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, saa7114_id);
 
-	.attach_adapter = saa7114_attach_adapter,
-	.detach_client = saa7114_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "saa7114",
+	.driverid = I2C_DRIVERID_SAA7114,
 	.command = saa7114_command,
+	.probe = saa7114_probe,
+	.remove = saa7114_remove,
+	.id_table = saa7114_id,
 };
-
-static int __init
-saa7114_init (void)
-{
-	return i2c_add_driver(&i2c_driver_saa7114);
-}
-
-static void __exit
-saa7114_exit (void)
-{
-	i2c_del_driver(&i2c_driver_saa7114);
-}
-
-module_init(saa7114_init);
-module_exit(saa7114_exit);
-- 
GitLab


From 0afb351e62f855b1c3584fb54bc6b91b54b32a9a Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 08:01:20 -0300
Subject: [PATCH 1030/2224] V4L/DVB (9207): saa7185: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/saa7185.c | 210 ++++++++--------------------------
 1 file changed, 50 insertions(+), 160 deletions(-)

diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c
index 02fda4eecea..6debb65152e 100644
--- a/drivers/media/video/saa7185.c
+++ b/drivers/media/video/saa7185.c
@@ -25,43 +25,25 @@
  */
 
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/signal.h>
 #include <linux/types.h>
-#include <linux/i2c.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <linux/ioctl.h>
 #include <asm/uaccess.h>
-
+#include <linux/i2c.h>
+#include <linux/i2c-id.h>
 #include <linux/videodev.h>
 #include <linux/video_encoder.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
 
 MODULE_DESCRIPTION("Philips SAA7185 video encoder driver");
 MODULE_AUTHOR("Dave Perks");
 MODULE_LICENSE("GPL");
 
 
-#define I2C_NAME(s) (s)->name
-
-
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 /* ----------------------------------------------------------------------- */
 
 struct saa7185 {
@@ -75,32 +57,24 @@ struct saa7185 {
 	int sat;
 };
 
-#define   I2C_SAA7185        0x88
-
 /* ----------------------------------------------------------------------- */
 
-static inline int
-saa7185_read (struct i2c_client *client)
+static inline int saa7185_read(struct i2c_client *client)
 {
 	return i2c_smbus_read_byte(client);
 }
 
-static int
-saa7185_write (struct i2c_client *client,
-	       u8                 reg,
-	       u8                 value)
+static int saa7185_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct saa7185 *encoder = i2c_get_clientdata(client);
 
-	dprintk(1, KERN_DEBUG "SAA7185: %02x set to %02x\n", reg, value);
+	v4l_dbg(1, debug, client, "%02x set to %02x\n", reg, value);
 	encoder->reg[reg] = value;
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static int
-saa7185_write_block (struct i2c_client *client,
-		     const u8          *data,
-		     unsigned int       len)
+static int saa7185_write_block(struct i2c_client *client,
+		const u8 *data, unsigned int len)
 {
 	int ret = -1;
 	u8 reg;
@@ -121,18 +95,17 @@ saa7185_write_block (struct i2c_client *client,
 				    encoder->reg[reg++] = data[1];
 				len -= 2;
 				data += 2;
-			} while (len >= 2 && data[0] == reg &&
-				 block_len < 32);
-			if ((ret = i2c_master_send(client, block_data,
-						   block_len)) < 0)
+			} while (len >= 2 && data[0] == reg && block_len < 32);
+			ret = i2c_master_send(client, block_data, block_len);
+			if (ret < 0)
 				break;
 		}
 	} else {
 		/* do some slow I2C emulation kind of thing */
 		while (len >= 2) {
 			reg = *data++;
-			if ((ret = saa7185_write(client, reg,
-						 *data++)) < 0)
+			ret = saa7185_write(client, reg, *data++);
+			if (ret < 0)
 				break;
 			len -= 2;
 		}
@@ -240,15 +213,11 @@ static const unsigned char init_ntsc[] = {
 	0x66, 0x21,		/* FSC3 */
 };
 
-static int
-saa7185_command (struct i2c_client *client,
-		 unsigned int       cmd,
-		 void              *arg)
+static int saa7185_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct saa7185 *encoder = i2c_get_clientdata(client);
 
 	switch (cmd) {
-
 	case 0:
 		saa7185_write_block(client, init_common,
 				    sizeof(init_common));
@@ -264,7 +233,6 @@ saa7185_command (struct i2c_client *client,
 					    sizeof(init_pal));
 			break;
 		}
-
 		break;
 
 	case ENCODER_GET_CAPABILITIES:
@@ -276,8 +244,8 @@ saa7185_command (struct i2c_client *client,
 		    VIDEO_ENCODER_SECAM | VIDEO_ENCODER_CCIR;
 		cap->inputs = 1;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case ENCODER_SET_NORM:
 	{
@@ -286,7 +254,6 @@ saa7185_command (struct i2c_client *client,
 		//saa7185_write_block(client, init_common, sizeof(init_common));
 
 		switch (*iarg) {
-
 		case VIDEO_MODE_NTSC:
 			saa7185_write_block(client, init_ntsc,
 					    sizeof(init_ntsc));
@@ -300,11 +267,10 @@ saa7185_command (struct i2c_client *client,
 		case VIDEO_MODE_SECAM:
 		default:
 			return -EINVAL;
-
 		}
 		encoder->norm = *iarg;
-	}
 		break;
+	}
 
 	case ENCODER_SET_INPUT:
 	{
@@ -314,7 +280,6 @@ saa7185_command (struct i2c_client *client,
 		 *iarg = 1: input is from ZR36060 */
 
 		switch (*iarg) {
-
 		case 0:
 			/* Switch RTCE to 1 */
 			saa7185_write(client, 0x61,
@@ -332,21 +297,19 @@ saa7185_command (struct i2c_client *client,
 
 		default:
 			return -EINVAL;
-
 		}
-	}
 		break;
+	}
 
 	case ENCODER_SET_OUTPUT:
 	{
 		int *iarg = arg;
 
 		/* not much choice of outputs */
-		if (*iarg != 0) {
+		if (*iarg != 0)
 			return -EINVAL;
-		}
-	}
 		break;
+	}
 
 	case ENCODER_ENABLE_OUTPUT:
 	{
@@ -356,8 +319,8 @@ saa7185_command (struct i2c_client *client,
 		saa7185_write(client, 0x61,
 			      (encoder->reg[0x61] & 0xbf) |
 			      (encoder->enable ? 0x00 : 0x40));
-	}
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -368,138 +331,65 @@ saa7185_command (struct i2c_client *client,
 
 /* ----------------------------------------------------------------------- */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] = { I2C_SAA7185 >> 1, I2C_CLIENT_END };
+static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END };
 
-static unsigned short ignore = I2C_CLIENT_END;
+I2C_CLIENT_INSMOD;
 
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
-
-static struct i2c_driver i2c_driver_saa7185;
-
-static int
-saa7185_detect_client (struct i2c_adapter *adapter,
-		       int                 address,
-		       int                 kind)
+static int saa7185_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
 	int i;
-	struct i2c_client *client;
 	struct saa7185 *encoder;
 
-	dprintk(1,
-		KERN_INFO
-		"saa7185.c: detecting saa7185 client on address 0x%x\n",
-		address << 1);
-
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return 0;
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
 
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (!client)
-		return -ENOMEM;
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &i2c_driver_saa7185;
-	strlcpy(I2C_NAME(client), "saa7185", sizeof(I2C_NAME(client)));
+	v4l_info(client, "chip found @ 0x%x (%s)\n",
+			client->addr << 1, client->adapter->name);
 
 	encoder = kzalloc(sizeof(struct saa7185), GFP_KERNEL);
-	if (encoder == NULL) {
-		kfree(client);
+	if (encoder == NULL)
 		return -ENOMEM;
-	}
 	encoder->norm = VIDEO_MODE_NTSC;
 	encoder->enable = 1;
 	i2c_set_clientdata(client, encoder);
 
-	i = i2c_attach_client(client);
-	if (i) {
-		kfree(client);
-		kfree(encoder);
-		return i;
-	}
-
 	i = saa7185_write_block(client, init_common, sizeof(init_common));
-	if (i >= 0) {
-		i = saa7185_write_block(client, init_ntsc,
-					sizeof(init_ntsc));
-	}
-	if (i < 0) {
-		dprintk(1, KERN_ERR "%s_attach: init error %d\n",
-			I2C_NAME(client), i);
-	} else {
-		dprintk(1,
-			KERN_INFO
-			"%s_attach: chip version %d at address 0x%x\n",
-			I2C_NAME(client), saa7185_read(client) >> 5,
-			client->addr << 1);
-	}
-
+	if (i >= 0)
+		i = saa7185_write_block(client, init_ntsc, sizeof(init_ntsc));
+	if (i < 0)
+		v4l_dbg(1, debug, client, "init error %d\n", i);
+	else
+		v4l_dbg(1, debug, client, "revision 0x%x\n",
+				saa7185_read(client) >> 5);
 	return 0;
 }
 
-static int
-saa7185_attach_adapter (struct i2c_adapter *adapter)
-{
-	dprintk(1,
-		KERN_INFO
-		"saa7185.c: starting probe for adapter %s (0x%x)\n",
-		I2C_NAME(adapter), adapter->id);
-	return i2c_probe(adapter, &addr_data, &saa7185_detect_client);
-}
-
-static int
-saa7185_detach_client (struct i2c_client *client)
+static int saa7185_remove(struct i2c_client *client)
 {
 	struct saa7185 *encoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
 
 	saa7185_write(client, 0x61, (encoder->reg[0x61]) | 0x40);	/* SW: output off is active */
 	//saa7185_write(client, 0x3a, (encoder->reg[0x3a]) | 0x80); /* SW: color bar */
 
 	kfree(encoder);
-	kfree(client);
-
 	return 0;
 }
 
 /* ----------------------------------------------------------------------- */
 
-static struct i2c_driver i2c_driver_saa7185 = {
-	.driver = {
-		.name = "saa7185",	/* name */
-	},
-
-	.id = I2C_DRIVERID_SAA7185B,
+static const struct i2c_device_id saa7185_id[] = {
+	{ "saa7185", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, saa7185_id);
 
-	.attach_adapter = saa7185_attach_adapter,
-	.detach_client = saa7185_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "saa7185",
+	.driverid = I2C_DRIVERID_SAA7185B,
 	.command = saa7185_command,
+	.probe = saa7185_probe,
+	.remove = saa7185_remove,
+	.id_table = saa7185_id,
 };
-
-static int __init
-saa7185_init (void)
-{
-	return i2c_add_driver(&i2c_driver_saa7185);
-}
-
-static void __exit
-saa7185_exit (void)
-{
-	i2c_del_driver(&i2c_driver_saa7185);
-}
-
-module_init(saa7185_init);
-module_exit(saa7185_exit);
-- 
GitLab


From 23848b655ab5fc2fe88ef99e90ad8e4c41304d76 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 7 Sep 2008 08:01:39 -0300
Subject: [PATCH 1031/2224] V4L/DVB (9208): vpx3220: convert i2c driver for new
 i2c API

- Convert to use v4l2-i2c-drv-legacy.h to be able to handle the new i2c API
- Cleanups
- Use v4l_dbg/v4l_info to have uniform kernel messages

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/vpx3220.c | 328 ++++++++++------------------------
 1 file changed, 91 insertions(+), 237 deletions(-)

diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c
index 45be9ec8edc..67aa0db4b81 100644
--- a/drivers/media/video/vpx3220.c
+++ b/drivers/media/video/vpx3220.c
@@ -22,32 +22,21 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/types.h>
-#include <linux/slab.h>
-
-#include <asm/io.h>
 #include <asm/uaccess.h>
-
 #include <linux/i2c.h>
-
-#define I2C_NAME(x) (x)->name
-
-#include <linux/videodev.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-i2c-drv-legacy.h>
+#include <linux/videodev.h>
 #include <linux/video_decoder.h>
 
-#define I2C_VPX3220        0x86
-#define VPX3220_DEBUG	KERN_DEBUG "vpx3220: "
+MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
+MODULE_AUTHOR("Laurent Pinchart");
+MODULE_LICENSE("GPL");
 
 static int debug;
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0-1)");
 
-#define dprintk(num, format, args...) \
-	do { \
-		if (debug >= num) \
-			printk(format, ##args); \
-	} while (0)
-
 #define VPX_TIMEOUT_COUNT  10
 
 /* ----------------------------------------------------------------------- */
@@ -67,10 +56,8 @@ struct vpx3220 {
 static char *inputs[] = { "internal", "composite", "svideo" };
 
 /* ----------------------------------------------------------------------- */
-static inline int
-vpx3220_write (struct i2c_client *client,
-	       u8                 reg,
-	       u8                 value)
+
+static inline int vpx3220_write(struct i2c_client *client, u8 reg, u8 value)
 {
 	struct vpx3220 *decoder = i2c_get_clientdata(client);
 
@@ -78,15 +65,12 @@ vpx3220_write (struct i2c_client *client,
 	return i2c_smbus_write_byte_data(client, reg, value);
 }
 
-static inline int
-vpx3220_read (struct i2c_client *client,
-	      u8                 reg)
+static inline int vpx3220_read(struct i2c_client *client, u8 reg)
 {
 	return i2c_smbus_read_byte_data(client, reg);
 }
 
-static int
-vpx3220_fp_status (struct i2c_client *client)
+static int vpx3220_fp_status(struct i2c_client *client)
 {
 	unsigned char status;
 	unsigned int i;
@@ -106,14 +90,11 @@ vpx3220_fp_status (struct i2c_client *client)
 	return -1;
 }
 
-static int
-vpx3220_fp_write (struct i2c_client *client,
-		  u8                 fpaddr,
-		  u16                data)
+static int vpx3220_fp_write(struct i2c_client *client, u8 fpaddr, u16 data)
 {
 	/* Write the 16-bit address to the FPWR register */
 	if (i2c_smbus_write_word_data(client, 0x27, swab16(fpaddr)) == -1) {
-		dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+		v4l_dbg(1, debug, client, "%s: failed\n", __func__);
 		return -1;
 	}
 
@@ -122,22 +103,20 @@ vpx3220_fp_write (struct i2c_client *client,
 
 	/* Write the 16-bit data to the FPDAT register */
 	if (i2c_smbus_write_word_data(client, 0x28, swab16(data)) == -1) {
-		dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+		v4l_dbg(1, debug, client, "%s: failed\n", __func__);
 		return -1;
 	}
 
 	return 0;
 }
 
-static u16
-vpx3220_fp_read (struct i2c_client *client,
-		 u16                fpaddr)
+static u16 vpx3220_fp_read(struct i2c_client *client, u16 fpaddr)
 {
 	s16 data;
 
 	/* Write the 16-bit address to the FPRD register */
 	if (i2c_smbus_write_word_data(client, 0x26, swab16(fpaddr)) == -1) {
-		dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+		v4l_dbg(1, debug, client, "%s: failed\n", __func__);
 		return -1;
 	}
 
@@ -147,25 +126,22 @@ vpx3220_fp_read (struct i2c_client *client,
 	/* Read the 16-bit data from the FPDAT register */
 	data = i2c_smbus_read_word_data(client, 0x28);
 	if (data == -1) {
-		dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+		v4l_dbg(1, debug, client, "%s: failed\n", __func__);
 		return -1;
 	}
 
 	return swab16(data);
 }
 
-static int
-vpx3220_write_block (struct i2c_client *client,
-		     const u8          *data,
-		     unsigned int       len)
+static int vpx3220_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
 {
 	u8 reg;
 	int ret = -1;
 
 	while (len >= 2) {
 		reg = *data++;
-		if ((ret =
-		     vpx3220_write(client, reg, *data++)) < 0)
+		ret = vpx3220_write(client, reg, *data++);
+		if (ret < 0)
 			break;
 		len -= 2;
 	}
@@ -173,10 +149,8 @@ vpx3220_write_block (struct i2c_client *client,
 	return ret;
 }
 
-static int
-vpx3220_write_fp_block (struct i2c_client *client,
-			const u16         *data,
-			unsigned int       len)
+static int vpx3220_write_fp_block(struct i2c_client *client,
+		const u16 *data, unsigned int len)
 {
 	u8 reg;
 	int ret = 0;
@@ -285,25 +259,20 @@ static const unsigned short init_fp[] = {
 	0x4b, 0x298,		/* PLL gain */
 };
 
-static void
-vpx3220_dump_i2c (struct i2c_client *client)
+static void vpx3220_dump_i2c(struct i2c_client *client)
 {
 	int len = sizeof(init_common);
 	const unsigned char *data = init_common;
 
 	while (len > 1) {
-		dprintk(1,
-			KERN_DEBUG "vpx3216b i2c reg 0x%02x data 0x%02x\n",
+		v4l_dbg(1, debug, client, "i2c reg 0x%02x data 0x%02x\n",
 			*data, vpx3220_read(client, *data));
 		data += 2;
 		len -= 2;
 	}
 }
 
-static int
-vpx3220_command (struct i2c_client *client,
-		 unsigned int       cmd,
-		 void              *arg)
+static int vpx3220_command(struct i2c_client *client, unsigned cmd, void *arg)
 {
 	struct vpx3220 *decoder = i2c_get_clientdata(client);
 
@@ -315,7 +284,6 @@ vpx3220_command (struct i2c_client *client,
 		vpx3220_write_fp_block(client, init_fp,
 				       sizeof(init_fp) >> 1);
 		switch (decoder->norm) {
-
 		case VIDEO_MODE_NTSC:
 			vpx3220_write_fp_block(client, init_ntsc,
 					       sizeof(init_ntsc) >> 1);
@@ -334,21 +302,20 @@ vpx3220_command (struct i2c_client *client,
 					       sizeof(init_pal) >> 1);
 			break;
 		}
-	}
 		break;
+	}
 
 	case DECODER_DUMP:
 	{
 		vpx3220_dump_i2c(client);
-	}
 		break;
+	}
 
 	case DECODER_GET_CAPABILITIES:
 	{
 		struct video_decoder_capability *cap = arg;
 
-		dprintk(1, KERN_DEBUG "%s: DECODER_GET_CAPABILITIES\n",
-			I2C_NAME(client));
+		v4l_dbg(1, debug, client, "DECODER_GET_CAPABILITIES\n");
 
 		cap->flags = VIDEO_DECODER_PAL |
 			     VIDEO_DECODER_NTSC |
@@ -357,20 +324,18 @@ vpx3220_command (struct i2c_client *client,
 			     VIDEO_DECODER_CCIR;
 		cap->inputs = 3;
 		cap->outputs = 1;
-	}
 		break;
+	}
 
 	case DECODER_GET_STATUS:
 	{
 		int res = 0, status;
 
-		dprintk(1, KERN_INFO "%s: DECODER_GET_STATUS\n",
-			I2C_NAME(client));
+		v4l_dbg(1, debug, client, "DECODER_GET_STATUS\n");
 
 		status = vpx3220_fp_read(client, 0x0f3);
 
-		dprintk(1, KERN_INFO "%s: status: 0x%04x\n", I2C_NAME(client),
-			status);
+		v4l_dbg(1, debug, client, "status: 0x%04x\n", status);
 
 		if (status < 0)
 			return status;
@@ -379,7 +344,6 @@ vpx3220_command (struct i2c_client *client,
 			res |= DECODER_STATUS_GOOD | DECODER_STATUS_COLOR;
 
 			switch (status & 0x18) {
-
 			case 0x00:
 			case 0x10:
 			case 0x14:
@@ -400,8 +364,8 @@ vpx3220_command (struct i2c_client *client,
 		}
 
 		*(int *) arg = res;
-	}
 		break;
+	}
 
 	case DECODER_SET_NORM:
 	{
@@ -413,50 +377,43 @@ vpx3220_command (struct i2c_client *client,
 		   choosen video norm */
 		temp_input = vpx3220_fp_read(client, 0xf2);
 
-		dprintk(1, KERN_DEBUG "%s: DECODER_SET_NORM %d\n",
-			I2C_NAME(client), *iarg);
+		v4l_dbg(1, debug, client, "DECODER_SET_NORM %d\n", *iarg);
 		switch (*iarg) {
-
 		case VIDEO_MODE_NTSC:
 			vpx3220_write_fp_block(client, init_ntsc,
 					       sizeof(init_ntsc) >> 1);
-			dprintk(1, KERN_INFO "%s: norm switched to NTSC\n",
-				I2C_NAME(client));
+			v4l_dbg(1, debug, client, "norm switched to NTSC\n");
 			break;
 
 		case VIDEO_MODE_PAL:
 			vpx3220_write_fp_block(client, init_pal,
 					       sizeof(init_pal) >> 1);
-			dprintk(1, KERN_INFO "%s: norm switched to PAL\n",
-				I2C_NAME(client));
+			v4l_dbg(1, debug, client, "norm switched to PAL\n");
 			break;
 
 		case VIDEO_MODE_SECAM:
 			vpx3220_write_fp_block(client, init_secam,
 					       sizeof(init_secam) >> 1);
-			dprintk(1, KERN_INFO "%s: norm switched to SECAM\n",
-				I2C_NAME(client));
+			v4l_dbg(1, debug, client, "norm switched to SECAM\n");
 			break;
 
 		case VIDEO_MODE_AUTO:
 			/* FIXME This is only preliminary support */
 			data = vpx3220_fp_read(client, 0xf2) & 0x20;
 			vpx3220_fp_write(client, 0xf2, 0x00c0 | data);
-			dprintk(1, KERN_INFO "%s: norm switched to Auto\n",
-				I2C_NAME(client));
+			v4l_dbg(1, debug, client, "norm switched to AUTO\n");
 			break;
 
 		default:
 			return -EINVAL;
-
 		}
 		decoder->norm = *iarg;
 
 		/* And here we set the backed up video input again */
 		vpx3220_fp_write(client, 0xf2, temp_input | 0x0010);
 		udelay(10);
-	}
 		break;
+	}
 
 	case DECODER_SET_INPUT:
 	{
@@ -475,8 +432,7 @@ vpx3220_command (struct i2c_client *client,
 		if (*iarg < 0 || *iarg > 2)
 			return -EINVAL;
 
-		dprintk(1, KERN_INFO "%s: input switched to %s\n",
-			I2C_NAME(client), inputs[*iarg]);
+		v4l_dbg(1, debug, client, "input switched to %s\n", inputs[*iarg]);
 
 		vpx3220_write(client, 0x33, input[*iarg][0]);
 
@@ -488,8 +444,8 @@ vpx3220_command (struct i2c_client *client,
 				 data | (input[*iarg][1] << 5) | 0x0010);
 
 		udelay(10);
-	}
 		break;
+	}
 
 	case DECODER_SET_OUTPUT:
 	{
@@ -499,19 +455,18 @@ vpx3220_command (struct i2c_client *client,
 		if (*iarg != 0) {
 			return -EINVAL;
 		}
-	}
 		break;
+	}
 
 	case DECODER_ENABLE_OUTPUT:
 	{
 		int *iarg = arg;
 
-		dprintk(1, KERN_DEBUG "%s: DECODER_ENABLE_OUTPUT %d\n",
-			I2C_NAME(client), *iarg);
+		v4l_dbg(1, debug, client, "DECODER_ENABLE_OUTPUT %d\n", *iarg);
 
 		vpx3220_write(client, 0xf2, (*iarg ? 0x1b : 0x00));
-	}
 		break;
+	}
 
 	case DECODER_SET_PICTURE:
 	{
@@ -542,8 +497,8 @@ vpx3220_command (struct i2c_client *client,
 			vpx3220_fp_write(client, 0x1c,
 					 ((decoder->hue - 32768) >> 6) & 0xFFF);
 		}
-	}
 		break;
+	}
 
 	default:
 		return -EINVAL;
@@ -552,8 +507,7 @@ vpx3220_command (struct i2c_client *client,
 	return 0;
 }
 
-static int
-vpx3220_init_client (struct i2c_client *client)
+static int vpx3220_init_client(struct i2c_client *client)
 {
 	vpx3220_write_block(client, init_common, sizeof(init_common));
 	vpx3220_write_fp_block(client, init_fp, sizeof(init_fp) >> 1);
@@ -567,115 +521,26 @@ vpx3220_init_client (struct i2c_client *client)
  * Client management code
  */
 
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] =
-    { I2C_VPX3220 >> 1, (I2C_VPX3220 >> 1) + 4,
-	I2C_CLIENT_END
-};
-
-static unsigned short ignore = I2C_CLIENT_END;
+static unsigned short normal_i2c[] = { 0x86 >> 1, 0x8e >> 1, I2C_CLIENT_END };
 
-static struct i2c_client_address_data addr_data = {
-	.normal_i2c		= normal_i2c,
-	.probe			= &ignore,
-	.ignore			= &ignore,
-};
-
-static struct i2c_driver vpx3220_i2c_driver;
-
-static int
-vpx3220_detach_client (struct i2c_client *client)
-{
-	struct vpx3220 *decoder = i2c_get_clientdata(client);
-	int err;
-
-	err = i2c_detach_client(client);
-	if (err) {
-		return err;
-	}
-
-	kfree(decoder);
-	kfree(client);
-
-	return 0;
-}
+I2C_CLIENT_INSMOD;
 
-static int
-vpx3220_detect_client (struct i2c_adapter *adapter,
-		       int                 address,
-		       int                 kind)
+static int vpx3220_probe(struct i2c_client *client,
+			const struct i2c_device_id *id)
 {
-	int err;
-	struct i2c_client *client;
 	struct vpx3220 *decoder;
-
-	dprintk(1, VPX3220_DEBUG "%s\n", __func__);
+	const char *name = NULL;
+	u8 ver;
+	u16 pn;
 
 	/* Check if the adapter supports the needed features */
-	if (!i2c_check_functionality
-	    (adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
-		return 0;
-
-	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
-	if (client == NULL) {
-		return -ENOMEM;
-	}
-
-	client->addr = address;
-	client->adapter = adapter;
-	client->driver = &vpx3220_i2c_driver;
-
-	/* Check for manufacture ID and part number */
-	if (kind < 0) {
-		u8 id;
-		u16 pn;
-
-		id = vpx3220_read(client, 0x00);
-		if (id != 0xec) {
-			dprintk(1,
-				KERN_INFO
-				"vpx3220_attach: Wrong manufacturer ID (0x%02x)\n",
-				id);
-			kfree(client);
-			return 0;
-		}
-
-		pn = (vpx3220_read(client, 0x02) << 8) +
-		    vpx3220_read(client, 0x01);
-		switch (pn) {
-		case 0x4680:
-			strlcpy(I2C_NAME(client), "vpx3220a",
-				sizeof(I2C_NAME(client)));
-			break;
-		case 0x4260:
-			strlcpy(I2C_NAME(client), "vpx3216b",
-				sizeof(I2C_NAME(client)));
-			break;
-		case 0x4280:
-			strlcpy(I2C_NAME(client), "vpx3214c",
-				sizeof(I2C_NAME(client)));
-			break;
-		default:
-			dprintk(1,
-				KERN_INFO
-				"%s: Wrong part number (0x%04x)\n",
-				__func__, pn);
-			kfree(client);
-			return 0;
-		}
-	} else {
-		strlcpy(I2C_NAME(client), "forced vpx32xx",
-			sizeof(I2C_NAME(client)));
-	}
+	if (!i2c_check_functionality(client->adapter,
+		I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
+		return -ENODEV;
 
 	decoder = kzalloc(sizeof(struct vpx3220), GFP_KERNEL);
-	if (decoder == NULL) {
-		kfree(client);
+	if (decoder == NULL)
 		return -ENOMEM;
-	}
 	decoder->norm = VIDEO_MODE_PAL;
 	decoder->input = 0;
 	decoder->enable = 1;
@@ -685,63 +550,52 @@ vpx3220_detect_client (struct i2c_adapter *adapter,
 	decoder->sat = 32768;
 	i2c_set_clientdata(client, decoder);
 
-	err = i2c_attach_client(client);
-	if (err) {
-		kfree(client);
-		kfree(decoder);
-		return err;
+	ver = i2c_smbus_read_byte_data(client, 0x00);
+	pn = (i2c_smbus_read_byte_data(client, 0x02) << 8) +
+		i2c_smbus_read_byte_data(client, 0x01);
+	if (ver == 0xec) {
+		switch (pn) {
+		case 0x4680:
+			name = "vpx3220a";
+			break;
+		case 0x4260:
+			name = "vpx3216b";
+			break;
+		case 0x4280:
+			name = "vpx3214c";
+			break;
+		}
 	}
-
-	dprintk(1, KERN_INFO "%s: vpx32xx client found at address 0x%02x\n",
-		I2C_NAME(client), client->addr << 1);
+	if (name)
+		v4l_info(client, "%s found @ 0x%x (%s)\n", name,
+			client->addr << 1, client->adapter->name);
+	else
+		v4l_info(client, "chip (%02x:%04x) found @ 0x%x (%s)\n",
+			ver, pn, client->addr << 1, client->adapter->name);
 
 	vpx3220_init_client(client);
-
 	return 0;
 }
 
-static int
-vpx3220_attach_adapter (struct i2c_adapter *adapter)
+static int vpx3220_remove(struct i2c_client *client)
 {
-	int ret;
-
-	ret = i2c_probe(adapter, &addr_data, &vpx3220_detect_client);
-	dprintk(1, VPX3220_DEBUG "%s: i2c_probe returned %d\n",
-		__func__, ret);
-	return ret;
+	kfree(i2c_get_clientdata(client));
+	return 0;
 }
 
-/* -----------------------------------------------------------------------
- * Driver initialization and cleanup code
- */
-
-static struct i2c_driver vpx3220_i2c_driver = {
-	.driver = {
-		.name = "vpx3220",
-	},
-
-	.id = I2C_DRIVERID_VPX3220,
+static const struct i2c_device_id vpx3220_id[] = {
+	{ "vpx3220a", 0 },
+	{ "vpx3216b", 0 },
+	{ "vpx3214c", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, vpx3220_id);
 
-	.attach_adapter = vpx3220_attach_adapter,
-	.detach_client = vpx3220_detach_client,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+	.name = "vpx3220",
+	.driverid = I2C_DRIVERID_VPX3220,
 	.command = vpx3220_command,
+	.probe = vpx3220_probe,
+	.remove = vpx3220_remove,
+	.id_table = vpx3220_id,
 };
-
-static int __init
-vpx3220_init (void)
-{
-	return i2c_add_driver(&vpx3220_i2c_driver);
-}
-
-static void __exit
-vpx3220_cleanup (void)
-{
-	i2c_del_driver(&vpx3220_i2c_driver);
-}
-
-module_init(vpx3220_init);
-module_exit(vpx3220_cleanup);
-
-MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
-MODULE_AUTHOR("Laurent Pinchart");
-MODULE_LICENSE("GPL");
-- 
GitLab


From 7b31b57a37ab694b9693a0359bf8ed0967188533 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Mon, 13 Oct 2008 07:38:03 -0300
Subject: [PATCH 1032/2224] V4L/DVB (9209): v4l2: add comment to the
 v4l2-i2c-drv headers.

Looking at these headers as they appear in the kernel makes you
wonder why it is done that way. Refer to the v4l-dvb repository
where the full unstripped header can be found to understand the
reasoning behind this.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/media/v4l2-i2c-drv-legacy.h | 11 +++++++++++
 include/media/v4l2-i2c-drv.h        | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/media/v4l2-i2c-drv-legacy.h b/include/media/v4l2-i2c-drv-legacy.h
index 975ffbf4e2c..e65dd9d84e8 100644
--- a/include/media/v4l2-i2c-drv-legacy.h
+++ b/include/media/v4l2-i2c-drv-legacy.h
@@ -21,6 +21,17 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+/* NOTE: the full version of this header is in the v4l-dvb repository
+ * and allows v4l i2c drivers to be compiled on older kernels as well.
+ * The version of this header as it appears in the kernel is a stripped
+ * version (without all the backwards compatibility stuff) and so it
+ * looks a bit odd.
+ *
+ * If you look at the full version then you will understand the reason
+ * for introducing this header since you really don't want to have all
+ * the tricky backwards compatibility code in each and every i2c driver.
+ */
+
 struct v4l2_i2c_driver_data {
 	const char * const name;
 	int driverid;
diff --git a/include/media/v4l2-i2c-drv.h b/include/media/v4l2-i2c-drv.h
index 40ecef29801..efdc8bf27f8 100644
--- a/include/media/v4l2-i2c-drv.h
+++ b/include/media/v4l2-i2c-drv.h
@@ -21,6 +21,17 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+/* NOTE: the full version of this header is in the v4l-dvb repository
+ * and allows v4l i2c drivers to be compiled on older kernels as well.
+ * The version of this header as it appears in the kernel is a stripped
+ * version (without all the backwards compatibility stuff) and so it
+ * looks a bit odd.
+ *
+ * If you look at the full version then you will understand the reason
+ * for introducing this header since you really don't want to have all
+ * the tricky backwards compatibility code in each and every i2c driver.
+ */
+
 #ifndef __V4L2_I2C_DRV_H__
 #define __V4L2_I2C_DRV_H__
 
-- 
GitLab


From 374ab68615592043dadbbe54f3beadf9556704f8 Mon Sep 17 00:00:00 2001
From: Tobias Lorenz <tobias.lorenz@gmx.net>
Date: Wed, 24 Sep 2008 19:17:54 -0300
Subject: [PATCH 1033/2224] V4L/DVB (9213): si470x: module_param access rights

This patch mainly adds correct module_param access rights. Also there
are a lot of small coding style enhancements and some corrections of the
variable references in module_param.

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/radio-si470x.c | 39 +++++++++++++++++-------------
 1 file changed, 22 insertions(+), 17 deletions(-)

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index f6cedcd3ab9..3efc08f424f 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -141,9 +141,9 @@
 /* USB Device ID List */
 static struct usb_device_id si470x_usb_driver_id_table[] = {
 	/* Silicon Labs USB FM Radio Reference Design */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x10c4, 0x818a,	USB_CLASS_HID, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x10c4, 0x818a, USB_CLASS_HID, 0, 0) },
 	/* ADS/Tech FM Radio Receiver (formerly Instant FM Music) */
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x06e1, 0xa155,	USB_CLASS_HID, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x06e1, 0xa155, USB_CLASS_HID, 0, 0) },
 	/* Terminating entry */
 	{ }
 };
@@ -157,7 +157,7 @@ MODULE_DEVICE_TABLE(usb, si470x_usb_driver_id_table);
 
 /* Radio Nr */
 static int radio_nr = -1;
-module_param(radio_nr, int, 0);
+module_param(radio_nr, int, 0444);
 MODULE_PARM_DESC(radio_nr, "Radio Nr");
 
 /* Spacing (kHz) */
@@ -165,42 +165,42 @@ MODULE_PARM_DESC(radio_nr, "Radio Nr");
 /* 1: 100 kHz (Europe, Japan) */
 /* 2:  50 kHz */
 static unsigned short space = 2;
-module_param(space, ushort, 0);
-MODULE_PARM_DESC(radio_nr, "Spacing: 0=200kHz 1=100kHz *2=50kHz*");
+module_param(space, ushort, 0444);
+MODULE_PARM_DESC(space, "Spacing: 0=200kHz 1=100kHz *2=50kHz*");
 
 /* Bottom of Band (MHz) */
 /* 0: 87.5 - 108 MHz (USA, Europe)*/
 /* 1: 76   - 108 MHz (Japan wide band) */
 /* 2: 76   -  90 MHz (Japan) */
 static unsigned short band = 1;
-module_param(band, ushort, 0);
-MODULE_PARM_DESC(radio_nr, "Band: 0=87.5..108MHz *1=76..108MHz* 2=76..90MHz");
+module_param(band, ushort, 0444);
+MODULE_PARM_DESC(band, "Band: 0=87.5..108MHz *1=76..108MHz* 2=76..90MHz");
 
 /* De-emphasis */
 /* 0: 75 us (USA) */
 /* 1: 50 us (Europe, Australia, Japan) */
 static unsigned short de = 1;
-module_param(de, ushort, 0);
-MODULE_PARM_DESC(radio_nr, "De-emphasis: 0=75us *1=50us*");
+module_param(de, ushort, 0444);
+MODULE_PARM_DESC(de, "De-emphasis: 0=75us *1=50us*");
 
 /* USB timeout */
 static unsigned int usb_timeout = 500;
-module_param(usb_timeout, uint, 0);
+module_param(usb_timeout, uint, 0644);
 MODULE_PARM_DESC(usb_timeout, "USB timeout (ms): *500*");
 
 /* Tune timeout */
 static unsigned int tune_timeout = 3000;
-module_param(tune_timeout, uint, 0);
+module_param(tune_timeout, uint, 0644);
 MODULE_PARM_DESC(tune_timeout, "Tune timeout: *3000*");
 
 /* Seek timeout */
 static unsigned int seek_timeout = 5000;
-module_param(seek_timeout, uint, 0);
+module_param(seek_timeout, uint, 0644);
 MODULE_PARM_DESC(seek_timeout, "Seek timeout: *5000*");
 
 /* RDS buffer blocks */
 static unsigned int rds_buf = 100;
-module_param(rds_buf, uint, 0);
+module_param(rds_buf, uint, 0444);
 MODULE_PARM_DESC(rds_buf, "RDS buffer entries: *100*");
 
 /* RDS maximum block errors */
@@ -209,7 +209,7 @@ static unsigned short max_rds_errors = 1;
 /* 1 means 1-2  errors requiring correction (used by original USBRadio.exe) */
 /* 2 means 3-5  errors requiring correction */
 /* 3 means   6+ errors or errors in checkword, correction not possible */
-module_param(max_rds_errors, ushort, 0);
+module_param(max_rds_errors, ushort, 0644);
 MODULE_PARM_DESC(max_rds_errors, "RDS maximum block errors: *1*");
 
 /* RDS poll frequency */
@@ -218,7 +218,7 @@ static unsigned int rds_poll_time = 40;
 /* 50 is used by radio-cadet */
 /* 75 should be okay */
 /* 80 is the usual RDS receive interval */
-module_param(rds_poll_time, uint, 0);
+module_param(rds_poll_time, uint, 0644);
 MODULE_PARM_DESC(rds_poll_time, "RDS poll time (ms): *40*");
 
 
@@ -1588,6 +1588,10 @@ done:
 	return retval;
 }
 
+
+/*
+ * si470x_ioctl_ops - video device ioctl operations
+ */
 static const struct v4l2_ioctl_ops si470x_ioctl_ops = {
 	.vidioc_querycap	= si470x_vidioc_querycap,
 	.vidioc_g_input		= si470x_vidioc_g_input,
@@ -1604,14 +1608,15 @@ static const struct v4l2_ioctl_ops si470x_ioctl_ops = {
 	.vidioc_s_hw_freq_seek	= si470x_vidioc_s_hw_freq_seek,
 };
 
+
 /*
- * si470x_viddev_tamples - video device interface
+ * si470x_viddev_template - video device interface
  */
 static struct video_device si470x_viddev_template = {
 	.fops			= &si470x_fops,
-	.ioctl_ops 		= &si470x_ioctl_ops,
 	.name			= DRIVER_NAME,
 	.release		= video_device_release,
+	.ioctl_ops		= &si470x_ioctl_ops,
 };
 
 
-- 
GitLab


From a17c0019f24e46c608945d988375cc14a8bbde28 Mon Sep 17 00:00:00 2001
From: Tobias Lorenz <tobias.lorenz@gmx.net>
Date: Wed, 24 Sep 2008 19:21:50 -0300
Subject: [PATCH 1034/2224] V4L/DVB (9214): si470x: improvement of module
 device support

This patch improves support for multiple radio devices.

In previous versions all region relevant settings were derived from one
module parameter. As in future versions, the region and other
configuration should be configurable per device from the user space,
this patch already retrieves all relevant information from the actual
device specific settings.

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/radio-si470x.c | 47 +++++++++++++++++++-----------
 1 file changed, 30 insertions(+), 17 deletions(-)

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 3efc08f424f..2f680268c54 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -667,23 +667,29 @@ static int si470x_get_freq(struct si470x_device *radio, unsigned int *freq)
 	int retval;
 
 	/* Spacing (kHz) */
-	switch (space) {
+	switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_SPACE) >> 4) {
 	/* 0: 200 kHz (USA, Australia) */
-	case 0 : spacing = 0.200 * FREQ_MUL; break;
+	case 0:
+		spacing = 0.200 * FREQ_MUL; break;
 	/* 1: 100 kHz (Europe, Japan) */
-	case 1 : spacing = 0.100 * FREQ_MUL; break;
+	case 1:
+		spacing = 0.100 * FREQ_MUL; break;
 	/* 2:  50 kHz */
-	default: spacing = 0.050 * FREQ_MUL; break;
+	default:
+		spacing = 0.050 * FREQ_MUL; break;
 	};
 
 	/* Bottom of Band (MHz) */
-	switch (band) {
+	switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) {
 	/* 0: 87.5 - 108 MHz (USA, Europe) */
-	case 0 : band_bottom = 87.5 * FREQ_MUL; break;
+	case 0:
+		band_bottom = 87.5 * FREQ_MUL; break;
 	/* 1: 76   - 108 MHz (Japan wide band) */
-	default: band_bottom = 76   * FREQ_MUL; break;
+	default:
+		band_bottom = 76   * FREQ_MUL; break;
 	/* 2: 76   -  90 MHz (Japan) */
-	case 2 : band_bottom = 76   * FREQ_MUL; break;
+	case 2:
+		band_bottom = 76   * FREQ_MUL; break;
 	};
 
 	/* read channel */
@@ -706,23 +712,29 @@ static int si470x_set_freq(struct si470x_device *radio, unsigned int freq)
 	unsigned short chan;
 
 	/* Spacing (kHz) */
-	switch (space) {
+	switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_SPACE) >> 4) {
 	/* 0: 200 kHz (USA, Australia) */
-	case 0 : spacing = 0.200 * FREQ_MUL; break;
+	case 0:
+		spacing = 0.200 * FREQ_MUL; break;
 	/* 1: 100 kHz (Europe, Japan) */
-	case 1 : spacing = 0.100 * FREQ_MUL; break;
+	case 1:
+		spacing = 0.100 * FREQ_MUL; break;
 	/* 2:  50 kHz */
-	default: spacing = 0.050 * FREQ_MUL; break;
+	default:
+		spacing = 0.050 * FREQ_MUL; break;
 	};
 
 	/* Bottom of Band (MHz) */
-	switch (band) {
+	switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) {
 	/* 0: 87.5 - 108 MHz (USA, Europe) */
-	case 0 : band_bottom = 87.5 * FREQ_MUL; break;
+	case 0:
+		band_bottom = 87.5 * FREQ_MUL; break;
 	/* 1: 76   - 108 MHz (Japan wide band) */
-	default: band_bottom = 76   * FREQ_MUL; break;
+	default:
+		band_bottom = 76   * FREQ_MUL; break;
 	/* 2: 76   -  90 MHz (Japan) */
-	case 2 : band_bottom = 76   * FREQ_MUL; break;
+	case 2:
+		band_bottom = 76   * FREQ_MUL; break;
 	};
 
 	/* Chan = [ Freq (Mhz) - Bottom of Band (MHz) ] / Spacing (kHz) */
@@ -1425,7 +1437,8 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
 		goto done;
 
 	strcpy(tuner->name, "FM");
-	switch (band) {
+	/* range limits */
+	switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) {
 	/* 0: 87.5 - 108 MHz (USA, Europe, default) */
 	default:
 		tuner->rangelow  =  87.5 * FREQ_MUL;
-- 
GitLab


From eb6e3b860e36a3259d3694636ddce2660aabbd2c Mon Sep 17 00:00:00 2001
From: Tobias Lorenz <tobias.lorenz@gmx.net>
Date: Wed, 24 Sep 2008 19:25:39 -0300
Subject: [PATCH 1035/2224] V4L/DVB (9215): si470x: improvement of unsupported
 base controls

This patch changes the handling of unsupported base controls.

In the former version, specific unsupported base controls were listed in
the queryctrl table and were flagged as disabled controls. This was done
for all base controls used by the applications.

The patch now removes the specific base controls and instead lets
queryctrl automatically return unsupported base controls flagged as
disabled.

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/radio-si470x.c | 33 +++++++++++-------------------
 1 file changed, 12 insertions(+), 21 deletions(-)

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 2f680268c54..31da21a38f2 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -1176,7 +1176,6 @@ static const struct file_operations si470x_fops = {
  * si470x_v4l2_queryctrl - query control
  */
 static struct v4l2_queryctrl si470x_v4l2_queryctrl[] = {
-/* HINT: the disabled controls are only here to satify kradio and such apps */
 	{
 		.id		= V4L2_CID_AUDIO_VOLUME,
 		.type		= V4L2_CTRL_TYPE_INTEGER,
@@ -1186,18 +1185,6 @@ static struct v4l2_queryctrl si470x_v4l2_queryctrl[] = {
 		.step		= 1,
 		.default_value	= 15,
 	},
-	{
-		.id		= V4L2_CID_AUDIO_BALANCE,
-		.flags		= V4L2_CTRL_FLAG_DISABLED,
-	},
-	{
-		.id		= V4L2_CID_AUDIO_BASS,
-		.flags		= V4L2_CTRL_FLAG_DISABLED,
-	},
-	{
-		.id		= V4L2_CID_AUDIO_TREBLE,
-		.flags		= V4L2_CTRL_FLAG_DISABLED,
-	},
 	{
 		.id		= V4L2_CID_AUDIO_MUTE,
 		.type		= V4L2_CTRL_TYPE_BOOLEAN,
@@ -1207,10 +1194,6 @@ static struct v4l2_queryctrl si470x_v4l2_queryctrl[] = {
 		.step		= 1,
 		.default_value	= 1,
 	},
-	{
-		.id		= V4L2_CID_AUDIO_LOUDNESS,
-		.flags		= V4L2_CTRL_FLAG_DISABLED,
-	},
 };
 
 
@@ -1267,21 +1250,29 @@ static int si470x_vidioc_s_input(struct file *file, void *priv, unsigned int i)
 static int si470x_vidioc_queryctrl(struct file *file, void *priv,
 		struct v4l2_queryctrl *qc)
 {
-	unsigned char i;
+	unsigned char i = 0;
 	int retval = -EINVAL;
 
-	/* safety checks */
-	if (!qc->id)
+	/* abort if qc->id is below V4L2_CID_BASE */
+	if (qc->id < V4L2_CID_BASE)
 		goto done;
 
+	/* search video control */
 	for (i = 0; i < ARRAY_SIZE(si470x_v4l2_queryctrl); i++) {
 		if (qc->id == si470x_v4l2_queryctrl[i].id) {
 			memcpy(qc, &(si470x_v4l2_queryctrl[i]), sizeof(*qc));
-			retval = 0;
+			retval = 0; /* found */
 			break;
 		}
 	}
 
+	/* disable unsupported base controls */
+	/* to satisfy kradio and such apps */
+	if ((retval == -EINVAL) && (qc->id < V4L2_CID_LASTP1)) {
+		qc->flags = V4L2_CTRL_FLAG_DISABLED;
+		retval = 0;
+	}
+
 done:
 	if (retval < 0)
 		printk(KERN_WARNING DRIVER_NAME
-- 
GitLab


From 33632d4773b8256c29525b7151cd74226352f838 Mon Sep 17 00:00:00 2001
From: Tobias Lorenz <tobias.lorenz@gmx.net>
Date: Wed, 24 Sep 2008 19:30:26 -0300
Subject: [PATCH 1036/2224] V4L/DVB (9216): si470x: tuner->type handling

The V4L2 specification says, when to check and when to return
tuner->type as constant value.

This patch corrects exactly this behavior, so that it is now conform to
the V4L2 specification.

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/radio-si470x.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 31da21a38f2..274d8464c02 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -104,6 +104,7 @@
  *		- hardware frequency seek support
  *		- afc indication
  *		- more safety checks, let si470x_get_freq return errno
+ *		- vidioc behavior corrected according to v4l2 spec
  *
  * ToDo:
  * - add firmware download/update support
@@ -1418,7 +1419,7 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
 		retval = -EIO;
 		goto done;
 	}
-	if ((tuner->index != 0) && (tuner->type != V4L2_TUNER_RADIO)) {
+	if (tuner->index != 0) {
 		retval = -EINVAL;
 		goto done;
 	}
@@ -1427,7 +1428,11 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
 	if (retval < 0)
 		goto done;
 
+	/* driver constants */
 	strcpy(tuner->name, "FM");
+	tuner->type = V4L2_TUNER_RADIO;
+	tuner->capability = V4L2_TUNER_CAP_LOW;
+
 	/* range limits */
 	switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) {
 	/* 0: 87.5 - 108 MHz (USA, Europe, default) */
@@ -1447,7 +1452,6 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
 		break;
 	};
 	tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
-	tuner->capability = V4L2_TUNER_CAP_LOW;
 
 	/* Stereo indicator == Stereo (instead of Mono) */
 	if ((radio->registers[STATUSRSSI] & STATUSRSSI_ST) == 1)
@@ -1478,17 +1482,15 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv,
 		struct v4l2_tuner *tuner)
 {
 	struct si470x_device *radio = video_drvdata(file);
-	int retval = 0;
+	int retval = -EINVAL;
 
 	/* safety checks */
 	if (radio->disconnected) {
 		retval = -EIO;
 		goto done;
 	}
-	if ((tuner->index != 0) && (tuner->type != V4L2_TUNER_RADIO)) {
-		retval = -EINVAL;
+	if (tuner->index != 0)
 		goto done;
-	}
 
 	if (tuner->audmode == V4L2_TUNER_MODE_MONO)
 		radio->registers[POWERCFG] |= POWERCFG_MONO;  /* force mono */
@@ -1519,11 +1521,12 @@ static int si470x_vidioc_g_frequency(struct file *file, void *priv,
 		retval = -EIO;
 		goto done;
 	}
-	if ((freq->tuner != 0) && (freq->type != V4L2_TUNER_RADIO)) {
+	if (freq->tuner != 0) {
 		retval = -EINVAL;
 		goto done;
 	}
 
+	freq->type = V4L2_TUNER_RADIO;
 	retval = si470x_get_freq(radio, &freq->frequency);
 
 done:
@@ -1548,7 +1551,7 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv,
 		retval = -EIO;
 		goto done;
 	}
-	if ((freq->tuner != 0) && (freq->type != V4L2_TUNER_RADIO)) {
+	if (freq->tuner != 0) {
 		retval = -EINVAL;
 		goto done;
 	}
@@ -1577,7 +1580,7 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,
 		retval = -EIO;
 		goto done;
 	}
-	if ((seek->tuner != 0) && (seek->type != V4L2_TUNER_RADIO)) {
+	if (seek->tuner != 0) {
 		retval = -EINVAL;
 		goto done;
 	}
-- 
GitLab


From 73a529f9a6fee877c4e41f7541b8689dd7561bd7 Mon Sep 17 00:00:00 2001
From: Tobias Lorenz <tobias.lorenz@gmx.net>
Date: Wed, 24 Sep 2008 19:33:41 -0300
Subject: [PATCH 1037/2224] V4L/DVB (9217): si470x: correction of mono/stereo
 handling

This patch corrects the behavior of mono/stereo indication and
selection.

These functions now work conform to what's defined in the V4L2
specification.

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/radio-si470x.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 274d8464c02..67d74cecdb6 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -1431,7 +1431,7 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
 	/* driver constants */
 	strcpy(tuner->name, "FM");
 	tuner->type = V4L2_TUNER_RADIO;
-	tuner->capability = V4L2_TUNER_CAP_LOW;
+	tuner->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
 
 	/* range limits */
 	switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) {
@@ -1451,13 +1451,18 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
 		tuner->rangehigh =  90   * FREQ_MUL;
 		break;
 	};
-	tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 
-	/* Stereo indicator == Stereo (instead of Mono) */
+	/* stereo indicator == stereo (instead of mono) */
 	if ((radio->registers[STATUSRSSI] & STATUSRSSI_ST) == 1)
-		tuner->audmode = V4L2_TUNER_MODE_STEREO;
+		tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 	else
+		tuner->rxsubchans = V4L2_TUNER_SUB_MONO;
+
+	/* mono/stereo selector */
+	if ((radio->registers[POWERCFG] & POWERCFG_MONO) == 1)
 		tuner->audmode = V4L2_TUNER_MODE_MONO;
+	else
+		tuner->audmode = V4L2_TUNER_MODE_STEREO;
 
 	/* min is worst, max is best; signal:0..0xffff; rssi: 0..0xff */
 	tuner->signal = (radio->registers[STATUSRSSI] & STATUSRSSI_RSSI)
@@ -1492,10 +1497,17 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv,
 	if (tuner->index != 0)
 		goto done;
 
-	if (tuner->audmode == V4L2_TUNER_MODE_MONO)
+	/* mono/stereo selector */
+	switch (tuner->audmode) {
+	case V4L2_TUNER_MODE_MONO:
 		radio->registers[POWERCFG] |= POWERCFG_MONO;  /* force mono */
-	else
+		break;
+	case V4L2_TUNER_MODE_STEREO:
 		radio->registers[POWERCFG] &= ~POWERCFG_MONO; /* try stereo */
+		break;
+	default:
+		goto done;
+	}
 
 	retval = si470x_set_register(radio, POWERCFG);
 
-- 
GitLab


From 617f53336c050dfa671d68caff22c1e5d9b2e076 Mon Sep 17 00:00:00 2001
From: Tobias Lorenz <tobias.lorenz@gmx.net>
Date: Wed, 24 Sep 2008 19:33:09 -0300
Subject: [PATCH 1038/2224] V4L/DVB (9218): si470x: removement of get/set
 input/audio

This patch removes the unnecessary get/set input/audio functions.

The reason is, that the V4L2 specification says, that if input or audio
cannot be switched anyway, the functions doesn't need to be implemented.

I've tested the new driver with all current radio programs in
Debian/testing and found no problems with that.

In my opinion, the driver is much cleaner by removing these unnecessary
functions.

Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/radio-si470x.c | 72 ++----------------------------
 1 file changed, 4 insertions(+), 68 deletions(-)

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 67d74cecdb6..5920cd30697 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -1215,36 +1215,6 @@ static int si470x_vidioc_querycap(struct file *file, void *priv,
 }
 
 
-/*
- * si470x_vidioc_g_input - get input
- */
-static int si470x_vidioc_g_input(struct file *file, void *priv,
-		unsigned int *i)
-{
-	*i = 0;
-
-	return 0;
-}
-
-
-/*
- * si470x_vidioc_s_input - set input
- */
-static int si470x_vidioc_s_input(struct file *file, void *priv, unsigned int i)
-{
-	int retval = 0;
-
-	/* safety checks */
-	if (i != 0)
-		retval = -EINVAL;
-
-	if (retval < 0)
-		printk(KERN_WARNING DRIVER_NAME
-			": set input failed with %d\n", retval);
-	return retval;
-}
-
-
 /*
  * si470x_vidioc_queryctrl - enumerate control items
  */
@@ -1364,44 +1334,13 @@ done:
 static int si470x_vidioc_g_audio(struct file *file, void *priv,
 		struct v4l2_audio *audio)
 {
-	int retval = 0;
-
-	/* safety checks */
-	if (audio->index != 0) {
-		retval = -EINVAL;
-		goto done;
-	}
-
+	/* driver constants */
+	audio->index = 0;
 	strcpy(audio->name, "Radio");
 	audio->capability = V4L2_AUDCAP_STEREO;
+	audio->mode = 0;
 
-done:
-	if (retval < 0)
-		printk(KERN_WARNING DRIVER_NAME
-			": get audio failed with %d\n", retval);
-	return retval;
-}
-
-
-/*
- * si470x_vidioc_s_audio - set audio attributes
- */
-static int si470x_vidioc_s_audio(struct file *file, void *priv,
-		struct v4l2_audio *audio)
-{
-	int retval = 0;
-
-	/* safety checks */
-	if (audio->index != 0) {
-		retval = -EINVAL;
-		goto done;
-	}
-
-done:
-	if (retval < 0)
-		printk(KERN_WARNING DRIVER_NAME
-			": set audio failed with %d\n", retval);
-	return retval;
+	return 0;
 }
 
 
@@ -1613,13 +1552,10 @@ done:
  */
 static const struct v4l2_ioctl_ops si470x_ioctl_ops = {
 	.vidioc_querycap	= si470x_vidioc_querycap,
-	.vidioc_g_input		= si470x_vidioc_g_input,
-	.vidioc_s_input		= si470x_vidioc_s_input,
 	.vidioc_queryctrl	= si470x_vidioc_queryctrl,
 	.vidioc_g_ctrl		= si470x_vidioc_g_ctrl,
 	.vidioc_s_ctrl		= si470x_vidioc_s_ctrl,
 	.vidioc_g_audio		= si470x_vidioc_g_audio,
-	.vidioc_s_audio		= si470x_vidioc_s_audio,
 	.vidioc_g_tuner		= si470x_vidioc_g_tuner,
 	.vidioc_s_tuner		= si470x_vidioc_s_tuner,
 	.vidioc_g_frequency	= si470x_vidioc_g_frequency,
-- 
GitLab


From 548da7625c825eccc31b4b3865ae5389c3660486 Mon Sep 17 00:00:00 2001
From: Tobias Lorenz <tobias.lorenz@gmx.net>
Date: Wed, 15 Oct 2008 14:02:14 -0300
Subject: [PATCH 1039/2224] V4L/DVB (9219): Kernel config comment corrected
 (radio-silabs -> radio-si470x)

Just a trivial typo fix.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig
index e51d707e58d..04cd7c04bdd 100644
--- a/drivers/media/radio/Kconfig
+++ b/drivers/media/radio/Kconfig
@@ -359,7 +359,7 @@ config USB_SI470X
 	  computer's USB port.
 
 	  To compile this driver as a module, choose M here: the
-	  module will be called radio-silabs.
+	  module will be called radio-si470x.
 
 config USB_MR800
 	tristate "AverMedia MR 800 USB FM radio support"
-- 
GitLab


From 363c35fc448943c3d6121332d28bcda2d2fbf87c Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Sat, 11 Oct 2008 11:05:50 -0300
Subject: [PATCH 1040/2224] V4L/DVB (9222): S2API: Add Multiple-frontend on a
 single adapter support.

A detailed description from the original patches 2 years ago:

"The WinTV-HVR3000 has a single transport bus which is shared between
a DVB-T and DVB-S modulator. These patches build on the bus acquisition
cx88 work from a few weeks ago to add support for this.

So to applications the HVR3000 looks like this:
/dev/dvb/adapter0/fe0 (cx24123 DVB-S demod)
/dev/dvb/adapter0/fe1 (cx22702 DVB-T demod)

Additional boards continue as before, eg:
/dev/dvb/adapter1/fe0 (lgdt3302 ATSC demod)

The basic change is removing the single instance of the videobuf_dvb in
cx8802_dev and saa7134_dev(?) and replacing it with a list and some
supporting functions.

*NOTE* This branch was taken before v4l-dvb was closed for 2.6.19 so
two or three current cx88 patches appear to be reversed by this tree,
this will be cleaned up in the near future. The patches missing change
the mutex handing to core->lock, fix an enumeration problem."

It should be recognised that a number of people have been maintaining
this patchset. Significant levels of Kudos to everyone one involved,
including but not limited to:

Darron Broad
Fabio M. Di Nitto
Carlo Scarfoglio
Hans Werner

Without the work of these people, and countless others, my two year old
patches would of died on the Mercurial linuxtv.org vine a long time
ago.

TODO: Revise these patches a little further so that the need for
demux1 and dvr0 is optional, not mandatory on the HVR3000.

HISTORY (darron):
This is the last update to MFE prepared by Hans which is based
upon the `scratchpad' diff created by Carlo.
All MFE work prior to that point must be attributed to Fabio
who ported and maintained Steve's original patch up to that
time.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c |  24 +-
 drivers/media/dvb/dvb-core/dvb_frontend.h |   1 +
 drivers/media/video/cx23885/cx23885-dvb.c | 115 +++---
 drivers/media/video/cx23885/cx23885.h     |   2 +-
 drivers/media/video/cx88/cx88-cards.c     |  11 +-
 drivers/media/video/cx88/cx88-dvb.c       | 423 +++++++++++++++-------
 drivers/media/video/cx88/cx88-i2c.c       |  15 +-
 drivers/media/video/cx88/cx88-input.c     |   1 +
 drivers/media/video/cx88/cx88-mpeg.c      |  22 +-
 drivers/media/video/cx88/cx88.h           |   4 +-
 drivers/media/video/saa7134/saa7134-dvb.c | 205 ++++++-----
 drivers/media/video/saa7134/saa7134.h     |   2 +-
 drivers/media/video/videobuf-dvb.c        | 171 +++++++--
 include/media/videobuf-dvb.h              |  36 +-
 14 files changed, 713 insertions(+), 319 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 72ce7935f25..26671757c70 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -212,8 +212,9 @@ static int dvb_frontend_get_event(struct dvb_frontend *fe,
 
 static void dvb_frontend_init(struct dvb_frontend *fe)
 {
-	dprintk ("DVB: initialising frontend %i (%s)...\n",
+	dprintk ("DVB: initialising adapter %i frontend %i (%s)...\n",
 		 fe->dvb->num,
+		 fe->id,
 		 fe->ops.info.name);
 
 	if (fe->ops.init)
@@ -686,7 +687,7 @@ static int dvb_frontend_start(struct dvb_frontend *fe)
 	mb();
 
 	fe_thread = kthread_run(dvb_frontend_thread, fe,
-		"kdvb-fe-%i", fe->dvb->num);
+		"kdvb-ad-%i-fe-%i", fe->dvb->num,fe->id);
 	if (IS_ERR(fe_thread)) {
 		ret = PTR_ERR(fe_thread);
 		printk("dvb_frontend_start: failed to start kthread (%d)\n", ret);
@@ -710,8 +711,8 @@ static void dvb_frontend_get_frequeny_limits(struct dvb_frontend *fe,
 		*freq_max = min(fe->ops.info.frequency_max, fe->ops.tuner_ops.info.frequency_max);
 
 	if (*freq_min == 0 || *freq_max == 0)
-		printk(KERN_WARNING "DVB: frontend %u frequency limits undefined - fix the driver\n",
-		       fe->dvb->num);
+		printk(KERN_WARNING "DVB: adapter %i frontend %u frequency limits undefined - fix the driver\n",
+		       fe->dvb->num,fe->id);
 }
 
 static int dvb_frontend_check_parameters(struct dvb_frontend *fe,
@@ -724,8 +725,8 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe,
 	dvb_frontend_get_frequeny_limits(fe, &freq_min, &freq_max);
 	if ((freq_min && parms->frequency < freq_min) ||
 	    (freq_max && parms->frequency > freq_max)) {
-		printk(KERN_WARNING "DVB: frontend %u frequency %u out of range (%u..%u)\n",
-		       fe->dvb->num, parms->frequency, freq_min, freq_max);
+		printk(KERN_WARNING "DVB: adapter %i frontend %i frequency %u out of range (%u..%u)\n",
+		       fe->dvb->num, fe->id, parms->frequency, freq_min, freq_max);
 		return -EINVAL;
 	}
 
@@ -735,8 +736,8 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe,
 		     parms->u.qpsk.symbol_rate < fe->ops.info.symbol_rate_min) ||
 		    (fe->ops.info.symbol_rate_max &&
 		     parms->u.qpsk.symbol_rate > fe->ops.info.symbol_rate_max)) {
-			printk(KERN_WARNING "DVB: frontend %u symbol rate %u out of range (%u..%u)\n",
-			       fe->dvb->num, parms->u.qpsk.symbol_rate,
+			printk(KERN_WARNING "DVB: adapter %i frontend %i symbol rate %u out of range (%u..%u)\n",
+			       fe->dvb->num, fe->id, parms->u.qpsk.symbol_rate,
 			       fe->ops.info.symbol_rate_min, fe->ops.info.symbol_rate_max);
 			return -EINVAL;
 		}
@@ -746,8 +747,8 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe,
 		     parms->u.qam.symbol_rate < fe->ops.info.symbol_rate_min) ||
 		    (fe->ops.info.symbol_rate_max &&
 		     parms->u.qam.symbol_rate > fe->ops.info.symbol_rate_max)) {
-			printk(KERN_WARNING "DVB: frontend %u symbol rate %u out of range (%u..%u)\n",
-			       fe->dvb->num, parms->u.qam.symbol_rate,
+			printk(KERN_WARNING "DVB: adapter %i frontend %i symbol rate %u out of range (%u..%u)\n",
+			       fe->dvb->num, fe->id, parms->u.qam.symbol_rate,
 			       fe->ops.info.symbol_rate_min, fe->ops.info.symbol_rate_max);
 			return -EINVAL;
 		}
@@ -1807,8 +1808,9 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
 	fe->dvb = dvb;
 	fepriv->inversion = INVERSION_OFF;
 
-	printk ("DVB: registering frontend %i (%s)...\n",
+	printk ("DVB: registering adapter %i frontend %i (%s)...\n",
 		fe->dvb->num,
+		fe->id,
 		fe->ops.info.name);
 
 	dvb_register_device (fe->dvb, &fepriv->dvbdev, &dvbdev_template,
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
index 3055301ff3c..db4a63b0a32 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.h
@@ -222,6 +222,7 @@ struct dvb_frontend {
 	struct dtv_frontend_properties dtv_property_cache;
 #define DVB_FRONTEND_COMPONENT_TUNER 0
 	int (*callback)(void *adapter_priv, int component, int cmd, int arg);
+	int id;
 };
 
 extern int dvb_register_frontend(struct dvb_adapter *dvb,
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 24bd18327aa..fe1218fd44c 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -312,48 +312,53 @@ static int dvb_register(struct cx23885_tsport *port)
 {
 	struct cx23885_dev *dev = port->dev;
 	struct cx23885_i2c *i2c_bus = NULL;
+	struct videobuf_dvb_frontend *fe0;
+
+	fe0 = videobuf_dvb_get_frontend(&port->frontends, 0);
+	if (!fe0)
+		return -EINVAL;
 
 	/* init struct videobuf_dvb */
-	port->dvb.name = dev->name;
+	fe0->dvb.name = dev->name;
 
 	/* init frontend */
 	switch (dev->board) {
 	case CX23885_BOARD_HAUPPAUGE_HVR1250:
 		i2c_bus = &dev->i2c_bus[0];
-		port->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 						&hauppauge_generic_config,
 						&i2c_bus->i2c_adap);
-		if (port->dvb.frontend != NULL) {
-			dvb_attach(mt2131_attach, port->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			dvb_attach(mt2131_attach, fe0->dvb.frontend,
 				   &i2c_bus->i2c_adap,
 				   &hauppauge_generic_tunerconfig, 0);
 		}
 		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1800:
 		i2c_bus = &dev->i2c_bus[0];
-		switch (alt_tuner) {
+		switch (alt_tuner) { // XXXXXX multifrontend?
 		case 1:
-			port->dvb.frontend =
+			fe0->dvb.frontend =
 				dvb_attach(s5h1409_attach,
 					   &hauppauge_ezqam_config,
 					   &i2c_bus->i2c_adap);
-			if (port->dvb.frontend != NULL) {
-				dvb_attach(tda829x_attach, port->dvb.frontend,
+			if (fe0->dvb.frontend != NULL) {
+				dvb_attach(tda829x_attach, fe0->dvb.frontend,
 					   &dev->i2c_bus[1].i2c_adap, 0x42,
 					   &tda829x_no_probe);
-				dvb_attach(tda18271_attach, port->dvb.frontend,
+				dvb_attach(tda18271_attach, fe0->dvb.frontend,
 					   0x60, &dev->i2c_bus[1].i2c_adap,
 					   &hauppauge_tda18271_config);
 			}
 			break;
 		case 0:
 		default:
-			port->dvb.frontend =
+			fe0->dvb.frontend =
 				dvb_attach(s5h1409_attach,
 					   &hauppauge_generic_config,
 					   &i2c_bus->i2c_adap);
-			if (port->dvb.frontend != NULL)
-				dvb_attach(mt2131_attach, port->dvb.frontend,
+			if (fe0->dvb.frontend != NULL)
+				dvb_attach(mt2131_attach, fe0->dvb.frontend,
 					   &i2c_bus->i2c_adap,
 					   &hauppauge_generic_tunerconfig, 0);
 			break;
@@ -361,42 +366,42 @@ static int dvb_register(struct cx23885_tsport *port)
 		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
 		i2c_bus = &dev->i2c_bus[0];
-		port->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 						&hauppauge_hvr1800lp_config,
 						&i2c_bus->i2c_adap);
-		if (port->dvb.frontend != NULL) {
-			dvb_attach(mt2131_attach, port->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			dvb_attach(mt2131_attach, fe0->dvb.frontend,
 				   &i2c_bus->i2c_adap,
 				   &hauppauge_generic_tunerconfig, 0);
 		}
 		break;
 	case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
 		i2c_bus = &dev->i2c_bus[0];
-		port->dvb.frontend = dvb_attach(lgdt330x_attach,
+		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 						&fusionhdtv_5_express,
 						&i2c_bus->i2c_adap);
-		if (port->dvb.frontend != NULL) {
-			dvb_attach(simple_tuner_attach, port->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 				   &i2c_bus->i2c_adap, 0x61,
 				   TUNER_LG_TDVS_H06XF);
 		}
 		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
 		i2c_bus = &dev->i2c_bus[1];
-		port->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 						&hauppauge_hvr1500q_config,
 						&dev->i2c_bus[0].i2c_adap);
-		if (port->dvb.frontend != NULL)
-			dvb_attach(xc5000_attach, port->dvb.frontend,
+		if (fe0->dvb.frontend != NULL)
+			dvb_attach(xc5000_attach, fe0->dvb.frontend,
 				   &i2c_bus->i2c_adap,
 				   &hauppauge_hvr1500q_tunerconfig);
 		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1500:
 		i2c_bus = &dev->i2c_bus[1];
-		port->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 						&hauppauge_hvr1500_config,
 						&dev->i2c_bus[0].i2c_adap);
-		if (port->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend != NULL) {
 			struct dvb_frontend *fe;
 			struct xc2028_config cfg = {
 				.i2c_adap  = &i2c_bus->i2c_adap,
@@ -409,7 +414,7 @@ static int dvb_register(struct cx23885_tsport *port)
 			};
 
 			fe = dvb_attach(xc2028_attach,
-					port->dvb.frontend, &cfg);
+					fe0->dvb.frontend, &cfg);
 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 				fe->ops.tuner_ops.set_config(fe, &ctl);
 		}
@@ -417,24 +422,24 @@ static int dvb_register(struct cx23885_tsport *port)
 	case CX23885_BOARD_HAUPPAUGE_HVR1200:
 	case CX23885_BOARD_HAUPPAUGE_HVR1700:
 		i2c_bus = &dev->i2c_bus[0];
-		port->dvb.frontend = dvb_attach(tda10048_attach,
+		fe0->dvb.frontend = dvb_attach(tda10048_attach,
 			&hauppauge_hvr1200_config,
 			&i2c_bus->i2c_adap);
-		if (port->dvb.frontend != NULL) {
-			dvb_attach(tda829x_attach, port->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			dvb_attach(tda829x_attach, fe0->dvb.frontend,
 				&dev->i2c_bus[1].i2c_adap, 0x42,
 				&tda829x_no_probe);
-			dvb_attach(tda18271_attach, port->dvb.frontend,
+			dvb_attach(tda18271_attach, fe0->dvb.frontend,
 				0x60, &dev->i2c_bus[1].i2c_adap,
 				&hauppauge_hvr1200_tuner_config);
 		}
 		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1400:
 		i2c_bus = &dev->i2c_bus[0];
-		port->dvb.frontend = dvb_attach(dib7000p_attach,
+		fe0->dvb.frontend = dvb_attach(dib7000p_attach,
 			&i2c_bus->i2c_adap,
 			0x12, &hauppauge_hvr1400_dib7000_config);
-		if (port->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend != NULL) {
 			struct dvb_frontend *fe;
 			struct xc2028_config cfg = {
 				.i2c_adap  = &dev->i2c_bus[1].i2c_adap,
@@ -449,7 +454,7 @@ static int dvb_register(struct cx23885_tsport *port)
 			};
 
 			fe = dvb_attach(xc2028_attach,
-					port->dvb.frontend, &cfg);
+					fe0->dvb.frontend, &cfg);
 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 				fe->ops.tuner_ops.set_config(fe, &ctl);
 		}
@@ -457,25 +462,25 @@ static int dvb_register(struct cx23885_tsport *port)
 	case CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP:
 		i2c_bus = &dev->i2c_bus[port->nr - 1];
 
-		port->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 						&dvico_s5h1409_config,
 						&i2c_bus->i2c_adap);
-		if (port->dvb.frontend == NULL)
-			port->dvb.frontend = dvb_attach(s5h1411_attach,
+		if (fe0->dvb.frontend == NULL)
+			fe0->dvb.frontend = dvb_attach(s5h1411_attach,
 							&dvico_s5h1411_config,
 							&i2c_bus->i2c_adap);
-		if (port->dvb.frontend != NULL)
-			dvb_attach(xc5000_attach, port->dvb.frontend,
+		if (fe0->dvb.frontend != NULL)
+			dvb_attach(xc5000_attach, fe0->dvb.frontend,
 				   &i2c_bus->i2c_adap,
 				   &dvico_xc5000_tunerconfig);
 		break;
 	case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: {
 		i2c_bus = &dev->i2c_bus[port->nr - 1];
 
-		port->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_xc3028,
 					       &i2c_bus->i2c_adap);
-		if (port->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend != NULL) {
 			struct dvb_frontend      *fe;
 			struct xc2028_config	  cfg = {
 				.i2c_adap  = &i2c_bus->i2c_adap,
@@ -487,7 +492,7 @@ static int dvb_register(struct cx23885_tsport *port)
 				.demod       = XC3028_FE_ZARLINK456,
 			};
 
-			fe = dvb_attach(xc2028_attach, port->dvb.frontend,
+			fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
 					&cfg);
 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 				fe->ops.tuner_ops.set_config(fe, &ctl);
@@ -497,10 +502,10 @@ static int dvb_register(struct cx23885_tsport *port)
 	case CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H:
 		i2c_bus = &dev->i2c_bus[0];
 
-		port->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 			&dvico_fusionhdtv_xc3028,
 			&i2c_bus->i2c_adap);
-		if (port->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend != NULL) {
 			struct dvb_frontend      *fe;
 			struct xc2028_config	  cfg = {
 				.i2c_adap  = &dev->i2c_bus[1].i2c_adap,
@@ -512,7 +517,7 @@ static int dvb_register(struct cx23885_tsport *port)
 				.demod       = XC3028_FE_ZARLINK456,
 			};
 
-			fe = dvb_attach(xc2028_attach, port->dvb.frontend,
+			fe = dvb_attach(xc2028_attach, fe0->dvb.frontend,
 				&cfg);
 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 				fe->ops.tuner_ops.set_config(fe, &ctl);
@@ -523,29 +528,36 @@ static int dvb_register(struct cx23885_tsport *port)
 		       dev->name);
 		break;
 	}
-	if (NULL == port->dvb.frontend) {
+	if (NULL == fe0->dvb.frontend) {
 		printk("%s: frontend initialization failed\n", dev->name);
 		return -1;
 	}
 	/* define general-purpose callback pointer */
-	port->dvb.frontend->callback = cx23885_tuner_callback;
+	fe0->dvb.frontend->callback = cx23885_tuner_callback;
 
 	/* Put the analog decoder in standby to keep it quiet */
 	cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
 
-	if (port->dvb.frontend->ops.analog_ops.standby)
-		port->dvb.frontend->ops.analog_ops.standby(port->dvb.frontend);
+	if (fe0->dvb.frontend->ops.analog_ops.standby)
+		fe0->dvb.frontend->ops.analog_ops.standby(fe0->dvb.frontend);
 
 	/* register everything */
-	return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
+	return videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
 				     &dev->pci->dev, adapter_nr);
+
 }
 
 int cx23885_dvb_register(struct cx23885_tsport *port)
 {
+
+	struct videobuf_dvb_frontend *fe0;
 	struct cx23885_dev *dev = port->dev;
 	int err;
 
+	fe0 = videobuf_dvb_get_frontend(&port->frontends, 0);
+	if (!fe0)
+		err = -EINVAL;
+
 	dprintk(1, "%s\n", __func__);
 	dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
 		dev->board,
@@ -557,7 +569,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 
 	/* dvb stuff */
 	printk("%s: cx23885 based dvb card\n", dev->name);
-	videobuf_queue_sg_init(&port->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
+	videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
 			    V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 			    sizeof(struct cx23885_buffer), port);
 	err = dvb_register(port);
@@ -569,9 +581,12 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 
 int cx23885_dvb_unregister(struct cx23885_tsport *port)
 {
+	struct videobuf_dvb_frontend *fe0;
+
+	fe0 = videobuf_dvb_get_frontend(&port->frontends, 0);
 	/* dvb */
-	if(port->dvb.frontend)
-		videobuf_dvb_unregister(&port->dvb);
+	if(fe0->dvb.frontend)
+		videobuf_dvb_unregister_bus(&port->frontends);
 
 	return 0;
 }
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index ba4e0aaed46..aa34bf9ea4d 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -225,7 +225,7 @@ struct cx23885_tsport {
 	int                        nr;
 	int                        sram_chno;
 
-	struct videobuf_dvb        dvb;
+	struct videobuf_dvb_frontends frontends;
 
 	/* dma queues */
 	struct cx23885_dmaqueue    mpegq;
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index 5da04e811ca..638d9ec38d7 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -1291,6 +1291,7 @@ static const struct cx88_board cx88_boards[] = {
 			.gpio0  = 0x84bf,
 		}},
 		.mpeg           = CX88_MPEG_DVB,
+		.num_frontends	= 2,
 	},
 	[CX88_BOARD_NORWOOD_MICRO] = {
 		.name           = "Norwood Micro TV Tuner",
@@ -1761,6 +1762,7 @@ static const struct cx88_board cx88_boards[] = {
 		} },
 		/* fixme: Add radio support */
 		.mpeg           = CX88_MPEG_DVB,
+		.num_frontends	= 2,
 	},
 	[CX88_BOARD_HAUPPAUGE_HVR4000LITE] = {
 		.name           = "Hauppauge WinTV-HVR4000(Lite) DVB-S/S2",
@@ -3002,12 +3004,17 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 		cx88_card_list(core, pci);
 	}
 
+	memset(&core->board, 0, sizeof(core->board));
 	memcpy(&core->board, &cx88_boards[core->boardnr], sizeof(core->board));
 
-	info_printk(core, "subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
+	if (!core->board.num_frontends)
+		core->board.num_frontends=1;
+
+	info_printk(core, "subsystem: %04x:%04x, board: %s [card=%d,%s], frontend(s): %d\n",
 		pci->subsystem_vendor, pci->subsystem_device, core->board.name,
 		core->boardnr, card[core->nr] == core->boardnr ?
-		"insmod option" : "autodetected");
+		"insmod option" : "autodetected",
+		core->board.num_frontends);
 
 	if (tuner[core->nr] != UNSET)
 		core->board.tuner_type = tuner[core->nr];
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 344ed2626e5..099de66c72c 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -116,13 +116,24 @@ static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
 	struct cx8802_dev *dev= fe->dvb->priv;
 	struct cx8802_driver *drv = NULL;
 	int ret = 0;
+	int fe_id;
+
+	fe_id = videobuf_dvb_find_frontend(&dev->frontends, fe);
+	if (!fe_id) {
+		printk(KERN_ERR "%s() No frontend found\n", __FUNCTION__);
+		return -EINVAL;
+	}
+
 
 	drv = cx8802_get_driver(dev, CX88_MPEG_DVB);
 	if (drv) {
-		if (acquire)
+		if (acquire){
+			dev->frontends.active_fe_id = fe_id;
 			ret = drv->request_acquire(drv);
-		else
+		} else {
 			ret = drv->request_release(drv);
+			dev->frontends.active_fe_id = 0;
+		}
 	}
 
 	return ret;
@@ -396,7 +407,7 @@ static int tevii_dvbs_set_voltage(struct dvb_frontend *fe,
 			cx_write(MO_GP0_IO, 0x00006060);
 			break;
 		case SEC_VOLTAGE_OFF:
-			printk("LNB Voltage SEC_VOLTAGE_off\n");
+		   	printk("LNB Voltage SEC_VOLTAGE_off\n");
 			break;
 	}
 
@@ -483,6 +494,7 @@ static struct xc5000_config dvico_fusionhdtv7_tuner_config = {
 static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
 {
 	struct dvb_frontend *fe;
+	struct videobuf_dvb_frontend *fe0 = NULL;
 	struct xc2028_ctrl ctl;
 	struct xc2028_config cfg = {
 		.i2c_adap  = &dev->core->i2c_adap,
@@ -490,7 +502,12 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
 		.ctrl      = &ctl,
 	};
 
-	if (!dev->dvb.frontend) {
+/* Get the first frontend */
+	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+	if (!fe0)
+		return -EINVAL;
+
+	if (!fe0->dvb.frontend) {
 		printk(KERN_ERR "%s/2: dvb frontend not attached. "
 				"Can't attach xc3028\n",
 		       dev->core->name);
@@ -504,10 +521,13 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
 	 */
 	cx88_setup_xc3028(dev->core, &ctl);
 
-	fe = dvb_attach(xc2028_attach, dev->dvb.frontend, &cfg);
+	fe = dvb_attach(xc2028_attach, fe0->dvb.frontend, &cfg);
 	if (!fe) {
 		printk(KERN_ERR "%s/2: xc3028 attach failed\n",
 		       dev->core->name);
+		dvb_frontend_detach(fe0->dvb.frontend);
+		dvb_unregister_frontend(fe0->dvb.frontend);
+		fe0->dvb.frontend = NULL;
 		return -EINVAL;
 	}
 
@@ -532,8 +552,10 @@ static int cx24116_reset_device(struct dvb_frontend *fe)
 	struct cx88_core *core = dev->core;
 
 	/* Reset the part */
+	/* Put the cx24116 into reset */
 	cx_write(MO_SRST_IO, 0);
 	msleep(10);
+	/* Take the cx24116 out of reset */
 	cx_write(MO_SRST_IO, 1);
 	msleep(10);
 
@@ -573,20 +595,28 @@ static struct stv0288_config tevii_tuner_earda_config = {
 
 static int dvb_register(struct cx8802_dev *dev)
 {
+	//struct cx88_core *core = dev->core;
+
+	///* init struct videobuf_dvb */
+	//fe->dvb.name = core->name;
+	//dev->ts_gen_cntrl = 0x0c;
+
 	struct cx88_core *core = dev->core;
+	struct videobuf_dvb_frontend *fe0, *fe1 = NULL;
 
-	/* init struct videobuf_dvb */
-	dev->dvb.name = core->name;
-	dev->ts_gen_cntrl = 0x0c;
+	/* Get the first frontend */
+	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+	if (!fe0)
+		return -EINVAL;
 
 	/* init frontend */
 	switch (core->boardnr) {
 	case CX88_BOARD_HAUPPAUGE_DVB_T1:
-		dev->dvb.frontend = dvb_attach(cx22702_attach,
+		fe0->dvb.frontend = dvb_attach(cx22702_attach,
 					       &connexant_refboard_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, &core->i2c_adap,
 					DVB_PLL_THOMSON_DTT759X))
 				goto frontend_detach;
@@ -596,11 +626,11 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_CONEXANT_DVB_T1:
 	case CX88_BOARD_KWORLD_DVB_T_CX22702:
 	case CX88_BOARD_WINFAST_DTV1000:
-		dev->dvb.frontend = dvb_attach(cx22702_attach,
+		fe0->dvb.frontend = dvb_attach(cx22702_attach,
 					       &connexant_refboard_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x60, &core->i2c_adap,
 					DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
@@ -610,33 +640,65 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_HAUPPAUGE_HVR1100:
 	case CX88_BOARD_HAUPPAUGE_HVR1100LP:
 	case CX88_BOARD_HAUPPAUGE_HVR1300:
-	case CX88_BOARD_HAUPPAUGE_HVR3000:
-		dev->dvb.frontend = dvb_attach(cx22702_attach,
+		fe0->dvb.frontend = dvb_attach(cx22702_attach,
 					       &hauppauge_hvr_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 				   &core->i2c_adap, 0x61,
 				   TUNER_PHILIPS_FMD1216ME_MK3))
 				goto frontend_detach;
 		}
 		break;
+	case CX88_BOARD_HAUPPAUGE_HVR3000:
+		/* DVB-S init */
+		fe0->dvb.frontend = dvb_attach(cx24123_attach,
+			       &hauppauge_novas_config,
+			       &dev->core->i2c_adap);
+		if (fe0->dvb.frontend) {
+			if (!dvb_attach(isl6421_attach, fe0->dvb.frontend,
+			&dev->core->i2c_adap, 0x08, ISL6421_DCL, 0x00)) {
+				dprintk( 1, "%s(): HVR3000 - DVB-S LNB Init: failed\n", __FUNCTION__);
+			}
+		} else {
+			dprintk( 1, "%s(): HVR3000 - DVB-S Init: failed\n", __FUNCTION__);
+		}
+		/* DVB-T init */
+		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
+		if (fe1) {
+			fe1->dvb.frontend = dvb_attach(cx22702_attach,
+				&hauppauge_hvr_config,
+				&dev->core->i2c_adap);
+			if (fe1->dvb.frontend) {
+				fe1->dvb.frontend->id = 1;
+				if(!dvb_attach(simple_tuner_attach, fe1->dvb.frontend,
+						&dev->core->i2c_adap, 0x61,
+						TUNER_PHILIPS_FMD1216ME_MK3)) {
+					dprintk( 1, "%s(): HVR3000 - DVB-T misc Init: failed\n", __FUNCTION__);
+				}
+			} else {
+				dprintk( 1, "%s(): HVR3000 - DVB-T Init: failed\n", __FUNCTION__);
+			}
+		} else {
+			dprintk( 1, "%s(): HVR3000 - DVB-T Init: can't find frontend 2.\n", __FUNCTION__);
+		}
+		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
-		dev->dvb.frontend = dvb_attach(mt352_attach,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dvico_fusionhdtv,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x60, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
 			break;
 		}
 		/* ZL10353 replaces MT352 on later cards */
-		dev->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_plus_v1_1,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x60, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
 		}
@@ -644,31 +706,31 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL:
 		/* The tin box says DEE1601, but it seems to be DTT7579
 		 * compatible, with a slightly different MT352 AGC gain. */
-		dev->dvb.frontend = dvb_attach(mt352_attach,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dvico_fusionhdtv_dual,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
 			break;
 		}
 		/* ZL10353 replaces MT352 on later cards */
-		dev->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_plus_v1_1,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_THOMSON_DTT7579))
 				goto frontend_detach;
 		}
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
-		dev->dvb.frontend = dvb_attach(mt352_attach,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dvico_fusionhdtv,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_LG_Z201))
 				goto frontend_detach;
 		}
@@ -676,11 +738,11 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_KWORLD_DVB_T:
 	case CX88_BOARD_DNTV_LIVE_DVB_T:
 	case CX88_BOARD_ADSTECH_DVB_T_PCI:
-		dev->dvb.frontend = dvb_attach(mt352_attach,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
 					       &dntv_live_dvbt_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend,
 					0x61, NULL, DVB_PLL_UNKNOWN_1))
 				goto frontend_detach;
 		}
@@ -688,10 +750,10 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_DNTV_LIVE_DVB_T_PRO:
 #if defined(CONFIG_VIDEO_CX88_VP3054) || (defined(CONFIG_VIDEO_CX88_VP3054_MODULE) && defined(MODULE))
 		/* MT352 is on a secondary I2C bus made from some GPIO lines */
-		dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config,
+		fe0->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config,
 					       &dev->vp3054->adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_PHILIPS_FMD1216ME_MK3))
 				goto frontend_detach;
@@ -702,22 +764,22 @@ static int dvb_register(struct cx8802_dev *dev)
 #endif
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID:
-		dev->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_hybrid,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 				   &core->i2c_adap, 0x61,
 				   TUNER_THOMSON_FE6600))
 				goto frontend_detach;
 		}
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO:
-		dev->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &dvico_fusionhdtv_xc3028,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend == NULL)
-			dev->dvb.frontend = dvb_attach(mt352_attach,
+		if (fe0->dvb.frontend == NULL)
+			fe0->dvb.frontend = dvb_attach(mt352_attach,
 						&dvico_fusionhdtv_mt352_xc3028,
 						&core->i2c_adap);
 		/*
@@ -725,16 +787,16 @@ static int dvb_register(struct cx8802_dev *dev)
 		 * We must not permit gate_ctrl to be performed, or
 		 * the xc3028 cannot communicate on the bus.
 		 */
-		if (dev->dvb.frontend)
-			dev->dvb.frontend->ops.i2c_gate_ctrl = NULL;
+		if (fe0->dvb.frontend)
+			fe0->dvb.frontend->ops.i2c_gate_ctrl = NULL;
 		if (attach_xc3028(0x61, dev) < 0)
 			return -EINVAL;
 		break;
 	case CX88_BOARD_PCHDTV_HD3000:
-		dev->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000,
+		fe0->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_THOMSON_DTT761X))
 				goto frontend_detach;
@@ -751,11 +813,11 @@ static int dvb_register(struct cx8802_dev *dev)
 
 		/* Select RF connector callback */
 		fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set;
-		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
+		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &fusionhdtv_3_gold,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_MICROTUNE_4042FI5))
 				goto frontend_detach;
@@ -769,11 +831,11 @@ static int dvb_register(struct cx8802_dev *dev)
 		mdelay(100);
 		cx_set(MO_GP0_IO, 9);
 		mdelay(200);
-		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
+		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &fusionhdtv_3_gold,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_THOMSON_DTT761X))
 				goto frontend_detach;
@@ -787,15 +849,15 @@ static int dvb_register(struct cx8802_dev *dev)
 		mdelay(100);
 		cx_set(MO_GP0_IO, 1);
 		mdelay(200);
-		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
+		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &fusionhdtv_5_gold,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_LG_TDVS_H06XF))
 				goto frontend_detach;
-			if (!dvb_attach(tda9887_attach, dev->dvb.frontend,
+			if (!dvb_attach(tda9887_attach, fe0->dvb.frontend,
 				   &core->i2c_adap, 0x43))
 				goto frontend_detach;
 		}
@@ -808,25 +870,25 @@ static int dvb_register(struct cx8802_dev *dev)
 		mdelay(100);
 		cx_set(MO_GP0_IO, 1);
 		mdelay(200);
-		dev->dvb.frontend = dvb_attach(lgdt330x_attach,
+		fe0->dvb.frontend = dvb_attach(lgdt330x_attach,
 					       &pchdtv_hd5500,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_LG_TDVS_H06XF))
 				goto frontend_detach;
-			if (!dvb_attach(tda9887_attach, dev->dvb.frontend,
+			if (!dvb_attach(tda9887_attach, fe0->dvb.frontend,
 				   &core->i2c_adap, 0x43))
 				goto frontend_detach;
 		}
 		break;
 	case CX88_BOARD_ATI_HDTVWONDER:
-		dev->dvb.frontend = dvb_attach(nxt200x_attach,
+		fe0->dvb.frontend = dvb_attach(nxt200x_attach,
 					       &ati_hdtvwonder,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x61,
 					TUNER_PHILIPS_TUV1236D))
 				goto frontend_detach;
@@ -834,49 +896,49 @@ static int dvb_register(struct cx8802_dev *dev)
 		break;
 	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
 	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
-		dev->dvb.frontend = dvb_attach(cx24123_attach,
+		fe0->dvb.frontend = dvb_attach(cx24123_attach,
 					       &hauppauge_novas_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend) {
-			if (!dvb_attach(isl6421_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend) {
+			if (!dvb_attach(isl6421_attach, fe0->dvb.frontend,
 					&core->i2c_adap, 0x08, ISL6421_DCL, 0x00))
 				goto frontend_detach;
 		}
 		break;
 	case CX88_BOARD_KWORLD_DVBS_100:
-		dev->dvb.frontend = dvb_attach(cx24123_attach,
+		fe0->dvb.frontend = dvb_attach(cx24123_attach,
 					       &kworld_dvbs_100_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend) {
-			core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
-			dev->dvb.frontend->ops.set_voltage = kworld_dvbs_100_set_voltage;
+		if (fe0->dvb.frontend) {
+			core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+			fe0->dvb.frontend->ops.set_voltage = kworld_dvbs_100_set_voltage;
 		}
 		break;
 	case CX88_BOARD_GENIATECH_DVBS:
-		dev->dvb.frontend = dvb_attach(cx24123_attach,
+		fe0->dvb.frontend = dvb_attach(cx24123_attach,
 					       &geniatech_dvbs_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend) {
-			core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
-			dev->dvb.frontend->ops.set_voltage = geniatech_dvbs_set_voltage;
+		if (fe0->dvb.frontend) {
+			core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+			fe0->dvb.frontend->ops.set_voltage = geniatech_dvbs_set_voltage;
 		}
 		break;
 	case CX88_BOARD_PINNACLE_PCTV_HD_800i:
-		dev->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 					       &pinnacle_pctv_hd_800i_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(xc5000_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(xc5000_attach, fe0->dvb.frontend,
 					&core->i2c_adap,
 					&pinnacle_pctv_hd_800i_tuner_config))
 				goto frontend_detach;
 		}
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
-		dev->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 						&dvico_hdtv5_pci_nano_config,
 						&core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
+		if (fe0->dvb.frontend != NULL) {
 			struct dvb_frontend *fe;
 			struct xc2028_config cfg = {
 				.i2c_adap  = &core->i2c_adap,
@@ -889,17 +951,17 @@ static int dvb_register(struct cx8802_dev *dev)
 			};
 
 			fe = dvb_attach(xc2028_attach,
-					dev->dvb.frontend, &cfg);
+					fe0->dvb.frontend, &cfg);
 			if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
 				fe->ops.tuner_ops.set_config(fe, &ctl);
 		}
 		break;
 	 case CX88_BOARD_PINNACLE_HYBRID_PCTV:
-		dev->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &cx88_pinnacle_hybrid_pctv,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend) {
-			dev->dvb.frontend->ops.i2c_gate_ctrl = NULL;
+		if (fe0->dvb.frontend) {
+			fe0->dvb.frontend->ops.i2c_gate_ctrl = NULL;
 			if (attach_xc3028(0x61, dev) < 0)
 				goto frontend_detach;
 		}
@@ -907,85 +969,116 @@ static int dvb_register(struct cx8802_dev *dev)
 	 case CX88_BOARD_GENIATECH_X8000_MT:
 		dev->ts_gen_cntrl = 0x00;
 
-		dev->dvb.frontend = dvb_attach(zl10353_attach,
+		fe0->dvb.frontend = dvb_attach(zl10353_attach,
 					       &cx88_geniatech_x8000_mt,
 					       &core->i2c_adap);
 		if (attach_xc3028(0x61, dev) < 0)
 			goto frontend_detach;
 		break;
 	 case CX88_BOARD_KWORLD_ATSC_120:
-		dev->dvb.frontend = dvb_attach(s5h1409_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1409_attach,
 					       &kworld_atsc_120_config,
 					       &core->i2c_adap);
 		if (attach_xc3028(0x61, dev) < 0)
 			goto frontend_detach;
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD:
-		dev->dvb.frontend = dvb_attach(s5h1411_attach,
+		fe0->dvb.frontend = dvb_attach(s5h1411_attach,
 					       &dvico_fusionhdtv7_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(xc5000_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(xc5000_attach, fe0->dvb.frontend,
 					&core->i2c_adap,
 					&dvico_fusionhdtv7_tuner_config))
 				goto frontend_detach;
 		}
 		break;
 	case CX88_BOARD_HAUPPAUGE_HVR4000:
+		/* DVB-S/S2 Init */
+		fe0->dvb.frontend = dvb_attach(cx24116_attach,
+			&hauppauge_hvr4000_config,
+			&dev->core->i2c_adap);
+		if (fe0->dvb.frontend) {
+			if(!dvb_attach(isl6421_attach, fe0->dvb.frontend,
+				&dev->core->i2c_adap, 0x08, ISL6421_DCL, 0x00)) {
+				dprintk( 1, "%s(): HVR4000 - DVB-S LNB Init: failed\n", __FUNCTION__);
+			}
+		} else {
+			dprintk( 1, "%s(): HVR4000 - DVB-S Init: failed\n", __FUNCTION__);
+		}
+		/* DVB-T Init */
+		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
+		if (fe1) {
+			fe1->dvb.frontend = dvb_attach(cx22702_attach,
+				&hauppauge_hvr_config,
+				&dev->core->i2c_adap);
+			if (fe1->dvb.frontend) {
+				fe1->dvb.frontend->id = 1;
+				if(!dvb_attach(simple_tuner_attach, fe1->dvb.frontend,
+					&dev->core->i2c_adap, 0x61,
+					TUNER_PHILIPS_FMD1216ME_MK3)) {
+					dprintk( 1, "%s(): HVR4000 - DVB-T misc Init: failed\n", __FUNCTION__);
+				}
+			} else {
+				dprintk( 1, "%s(): HVR4000 - DVB-T Init: failed\n", __FUNCTION__);
+			}
+		} else {
+			dprintk( 1, "%s(): HVR4000 - DVB-T Init: can't find frontend 2.\n", __FUNCTION__);
+		}
+		break;
 	case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
-		/* Support for DVB-S only, not DVB-T support */
-		dev->dvb.frontend = dvb_attach(cx24116_attach,
+		fe0->dvb.frontend = dvb_attach(cx24116_attach,
 			&hauppauge_hvr4000_config,
 			&dev->core->i2c_adap);
-		if (dev->dvb.frontend) {
-			dvb_attach(isl6421_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend) {
+			dvb_attach(isl6421_attach, fe0->dvb.frontend,
 				&dev->core->i2c_adap,
 				0x08, ISL6421_DCL, 0x00);
 		}
 		break;
 	case CX88_BOARD_TEVII_S420:
-		dev->dvb.frontend = dvb_attach(stv0299_attach,
+		fe0->dvb.frontend = dvb_attach(stv0299_attach,
 						&tevii_tuner_sharp_config,
 						&core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
+		if (fe0->dvb.frontend != NULL) {
+			if (!dvb_attach(dvb_pll_attach, fe0->dvb.frontend, 0x60,
 					&core->i2c_adap, DVB_PLL_OPERA1))
 				goto frontend_detach;
-			core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
-			dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
+			core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+			fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
 
 		} else {
-			dev->dvb.frontend = dvb_attach(stv0288_attach,
+			fe0->dvb.frontend = dvb_attach(stv0288_attach,
 							    &tevii_tuner_earda_config,
 							    &core->i2c_adap);
-				if (dev->dvb.frontend != NULL) {
-					if (!dvb_attach(stb6000_attach, dev->dvb.frontend, 0x61,
+				if (fe0->dvb.frontend != NULL) {
+					if (!dvb_attach(stb6000_attach, fe0->dvb.frontend, 0x61,
 						&core->i2c_adap))
 					goto frontend_detach;
-				core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
-				dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
+				core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+				fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
 
 			}
 		}
 		break;
 	case CX88_BOARD_TEVII_S460:
-		dev->dvb.frontend = dvb_attach(cx24116_attach,
+		fe0->dvb.frontend = dvb_attach(cx24116_attach,
 					       &tevii_s460_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
-			dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
+		if (fe0->dvb.frontend != NULL) {
+			core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+			fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
 		}
 		break;
 	case CX88_BOARD_OMICOM_SS4_PCI:
 	case CX88_BOARD_TBS_8920:
 	case CX88_BOARD_PROF_7300:
-		dev->dvb.frontend = dvb_attach(cx24116_attach,
+		fe0->dvb.frontend = dvb_attach(cx24116_attach,
 					       &hauppauge_hvr4000_config,
 					       &core->i2c_adap);
-		if (dev->dvb.frontend != NULL) {
-			core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
-			dev->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
+		if (fe0->dvb.frontend != NULL) {
+			core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
+			fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
 		}
 		break;
 	default:
@@ -993,29 +1086,32 @@ static int dvb_register(struct cx8802_dev *dev)
 		       core->name);
 		break;
 	}
-	if (NULL == dev->dvb.frontend) {
+
+        if ( (NULL == fe0->dvb.frontend) || (fe1 && NULL == fe1->dvb.frontend) ) {
 		printk(KERN_ERR
 		       "%s/2: frontend initialization failed\n",
 		       core->name);
 		return -EINVAL;
 	}
 	/* define general-purpose callback pointer */
-	dev->dvb.frontend->callback = cx88_tuner_callback;
+	fe0->dvb.frontend->callback = cx88_tuner_callback;
 
 	/* Ensure all frontends negotiate bus access */
-	dev->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl;
+	fe0->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl;
+	if (fe1)
+		fe1->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl;
 
 	/* Put the analog decoder in standby to keep it quiet */
 	cx88_call_i2c_clients(core, TUNER_SET_STANDBY, NULL);
 
 	/* register everything */
-	return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev,
-				     &dev->pci->dev, adapter_nr);
+	return videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
+		&dev->pci->dev, adapter_nr);
 
 frontend_detach:
-	if (dev->dvb.frontend) {
-		dvb_frontend_detach(dev->dvb.frontend);
-		dev->dvb.frontend = NULL;
+	if (fe0->dvb.frontend) {
+		dvb_frontend_detach(fe0->dvb.frontend);
+		fe0->dvb.frontend = NULL;
 	}
 	return -EINVAL;
 }
@@ -1039,6 +1135,66 @@ static int cx8802_dvb_advise_acquire(struct cx8802_driver *drv)
 		cx_clear(MO_GP0_IO, 0x00000004);
 		udelay(1000);
 		break;
+
+	case CX88_BOARD_HAUPPAUGE_HVR3000: /* ? */
+		if(core->dvbdev->frontends.active_fe_id == 1) {
+			/* DVB-S/S2 Enabled */
+
+			/* Toggle reset on cx22702 leaving i2c active */
+			cx_write(MO_GP0_IO, core->board.input[0].gpio0);
+			udelay(1000);
+			cx_clear(MO_GP0_IO, 0x00000080);
+			udelay(50);
+			cx_set(MO_GP0_IO, 0x00000080); /* cx22702 out of reset */
+			cx_set(MO_GP0_IO, 0x00000004); /* tri-state the cx22702 pins */
+			udelay(1000);
+
+			cx_write(MO_SRST_IO, 1); /* Take the cx24116/cx24123 out of reset */
+			core->dvbdev->ts_gen_cntrl = 0x02; /* Parallel IO */
+		} else
+		if (core->dvbdev->frontends.active_fe_id == 2) {
+			/* DVB-T Enabled */
+
+			/* Put the cx24116/cx24123 into reset */
+			cx_write(MO_SRST_IO, 0);
+
+			/* cx22702 out of reset and enable it */
+			cx_set(MO_GP0_IO,   0x00000080);
+			cx_clear(MO_GP0_IO, 0x00000004);
+			core->dvbdev->ts_gen_cntrl = 0x0c; /* Serial IO */
+			udelay(1000);
+		}
+		break;
+	case CX88_BOARD_HAUPPAUGE_HVR4000:
+		if(core->dvbdev->frontends.active_fe_id == 1) {
+			/* DVB-S/S2 Enabled */
+
+			/* Toggle reset on cx22702 leaving i2c active */
+			cx_write(MO_GP0_IO, (core->board.input[0].gpio0 & 0x0000ff00) | 0x00000080);
+			udelay(1000);
+			cx_clear(MO_GP0_IO, 0x00000080);
+			udelay(50);
+			cx_set(MO_GP0_IO, 0x00000080); /* cx22702 out of reset */
+			cx_set(MO_GP0_IO, 0x00000004); /* tri-state the cx22702 pins */
+			udelay(1000);
+
+			cx_write(MO_SRST_IO, 1); /* Take the cx24116/cx24123 out of reset */
+			core->dvbdev->ts_gen_cntrl = 0x02; /* Parallel IO */
+		} else
+		if (core->dvbdev->frontends.active_fe_id == 2) {
+			/* DVB-T Enabled */
+
+			/* Put the cx24116/cx24123 into reset */
+			cx_write(MO_SRST_IO, 0);
+
+			/* cx22702 out of reset and enable it */
+			cx_set(MO_GP0_IO,   0x00000080);
+			cx_clear(MO_GP0_IO, 0x00000004);
+			core->dvbdev->ts_gen_cntrl = 0x0c; /* Serial IO */
+			udelay(1000);
+		}
+		break;
+
 	default:
 		err = -ENODEV;
 	}
@@ -1056,6 +1212,9 @@ static int cx8802_dvb_advise_release(struct cx8802_driver *drv)
 	case CX88_BOARD_HAUPPAUGE_HVR1300:
 		/* Do Nothing, leave the cx22702 on the bus. */
 		break;
+	case CX88_BOARD_HAUPPAUGE_HVR3000:
+	case CX88_BOARD_HAUPPAUGE_HVR4000:
+		break;
 	default:
 		err = -ENODEV;
 	}
@@ -1066,7 +1225,8 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 {
 	struct cx88_core *core = drv->core;
 	struct cx8802_dev *dev = drv->core->dvbdev;
-	int err;
+	int err,i;
+	struct videobuf_dvb_frontend *fe;
 
 	dprintk( 1, "%s\n", __func__);
 	dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
@@ -1086,12 +1246,23 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 
 	/* dvb stuff */
 	printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name);
-	videobuf_queue_sg_init(&dev->dvb.dvbq, &dvb_qops,
+	dev->ts_gen_cntrl = 0x0c;
+
+	for (i = 1; i <= core->board.num_frontends; i++) {
+		fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i);
+		if (!fe) {
+			printk(KERN_ERR "%s() failed to get frontend(%d)\n", __FUNCTION__, i);
+			continue;
+		}
+		videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops,
 			    &dev->pci->dev, &dev->slock,
 			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
 			    V4L2_FIELD_TOP,
 			    sizeof(struct cx88_buffer),
 			    dev);
+		/* init struct videobuf_dvb */
+		fe->dvb.name = dev->core->name;
+	}
 	err = dvb_register(dev);
 	if (err != 0)
 		printk(KERN_ERR "%s/2: dvb_register failed (err = %d)\n",
@@ -1105,9 +1276,7 @@ static int cx8802_dvb_remove(struct cx8802_driver *drv)
 {
 	struct cx8802_dev *dev = drv->core->dvbdev;
 
-	/* dvb */
-	if (dev->dvb.frontend)
-		videobuf_dvb_unregister(&dev->dvb);
+	videobuf_dvb_unregister_bus(&dev->frontends);
 
 	vp3054_i2c_remove(dev);
 
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index 8e74d64fdcd..582769de26b 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -116,18 +116,23 @@ static int detach_inform(struct i2c_client *client)
 
 void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg)
 {
+	struct videobuf_dvb_frontend *fe0 = NULL;
 	if (0 != core->i2c_rc)
 		return;
 
 #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
-	if ( (core->dvbdev) && (core->dvbdev->dvb.frontend) ) {
-		if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl)
-			core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 1);
+	if (core->dvbdev) {
+		/* Get the first frontend and assume that all I2C is routed through it */
+		/* TODO: Get _THIS_FE_ then find the right i2c_gate_ctrl for it */
+		fe0 = videobuf_dvb_get_frontend(&core->dvbdev->frontends, 1);
+
+		if (fe0 && fe0->dvb.frontend && fe0->dvb.frontend->ops.i2c_gate_ctrl)
+			fe0->dvb.frontend->ops.i2c_gate_ctrl(fe0->dvb.frontend, 1);
 
 		i2c_clients_command(&core->i2c_adap, cmd, arg);
 
-		if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl)
-			core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 0);
+		if (fe0 && fe0->dvb.frontend && fe0->dvb.frontend->ops.i2c_gate_ctrl)
+			fe0->dvb.frontend->ops.i2c_gate_ctrl(fe0->dvb.frontend, 0);
 	} else
 #endif
 		i2c_clients_command(&core->i2c_adap, cmd, arg);
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c
index 8683d104de7..17150cb88c8 100644
--- a/drivers/media/video/cx88/cx88-input.c
+++ b/drivers/media/video/cx88/cx88-input.c
@@ -495,6 +495,7 @@ void cx88_ir_irq(struct cx88_core *core)
 	case CX88_BOARD_PINNACLE_PCTV_HD_800i:
 		ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
 		ir_dprintk("biphase decoded: %x\n", ircode);
+//TODO Darron has other code here
 		if ((ircode & 0xfffff000) != 0x3000)
 			break;
 		ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index a6b061c2644..22c2a88fbf1 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -768,7 +768,8 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 {
 	struct cx8802_dev *dev;
 	struct cx88_core  *core;
-	int err;
+	struct videobuf_dvb_frontend *demod;
+	int err,i;
 
 	/* general setup */
 	core = cx88_core_get(pci_dev);
@@ -781,6 +782,11 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	if (!core->board.mpeg)
 		goto fail_core;
 
+	if (!core->board.num_frontends) {
+		printk(KERN_ERR "%s() .num_frontends should be non-zero, err = %d\n", __FUNCTION__, err);
+		goto fail_core;
+	}
+
 	err = -ENOMEM;
 	dev = kzalloc(sizeof(*dev),GFP_KERNEL);
 	if (NULL == dev)
@@ -795,6 +801,20 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	INIT_LIST_HEAD(&dev->drvlist);
 	list_add_tail(&dev->devlist,&cx8802_devlist);
 
+	mutex_init(&dev->frontends.lock);
+	INIT_LIST_HEAD(&dev->frontends.frontend.felist);
+
+	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __FUNCTION__, core->board.num_frontends);
+
+	for (i = 1; i <= core->board.num_frontends; i++) {
+		demod = videobuf_dvb_alloc_frontend(dev, &dev->frontends, i);
+		if(demod == NULL) {
+			printk(KERN_ERR "%s() failed to alloc\n", __FUNCTION__);
+			err = -ENOMEM;
+			goto fail_free;
+		}
+	}
+
 	/* Maintain a reference so cx88-video can query the 8802 device. */
 	core->dvbdev = dev;
 
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index dbf01b8b57a..063f7b57e42 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -261,6 +261,7 @@ struct cx88_board {
 	struct cx88_input       radio;
 	enum cx88_board_type    mpeg;
 	unsigned int            audio_chip;
+	int			num_frontends;
 };
 
 struct cx88_subid {
@@ -356,6 +357,7 @@ struct cx88_core {
 	struct cx8802_dev          *dvbdev;
 	enum cx88_board_type       active_type_id;
 	int			   active_ref;
+	int			   active_fe_id;
 };
 
 struct cx8800_dev;
@@ -490,7 +492,7 @@ struct cx8802_dev {
 
 #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
 	/* for dvb only */
-	struct videobuf_dvb        dvb;
+	struct videobuf_dvb_frontends frontends;
 #endif
 
 #if defined(CONFIG_VIDEO_CX88_VP3054) || \
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 87c10983266..8ada0497fa0 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -535,11 +535,15 @@ static int configure_tda827x_fe(struct saa7134_dev *dev,
 				struct tda1004x_config *cdec_conf,
 				struct tda827x_config *tuner_conf)
 {
-	dev->dvb.frontend = dvb_attach(tda10046_attach, cdec_conf, &dev->i2c_adap);
-	if (dev->dvb.frontend) {
+	struct videobuf_dvb_frontend *fe0;
+
+	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 0);
+
+	fe0->dvb.frontend = dvb_attach(tda10046_attach, cdec_conf, &dev->i2c_adap);
+	if (fe0->dvb.frontend) {
 		if (cdec_conf->i2c_gate)
-			dev->dvb.frontend->ops.i2c_gate_ctrl = tda8290_i2c_gate_ctrl;
-		if (dvb_attach(tda827x_attach, dev->dvb.frontend,
+			fe0->dvb.frontend->ops.i2c_gate_ctrl = tda8290_i2c_gate_ctrl;
+		if (dvb_attach(tda827x_attach, fe0->dvb.frontend,
 			       cdec_conf->tuner_address,
 			       &dev->i2c_adap, tuner_conf))
 			return 0;
@@ -944,12 +948,18 @@ static int dvb_init(struct saa7134_dev *dev)
 {
 	int ret;
 	int attach_xc3028 = 0;
+	struct videobuf_dvb_frontend *fe0;
+
+	/* Get the first frontend */
+	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 0);
+	if (!fe0)
+		return -EINVAL;
 
 	/* init struct videobuf_dvb */
 	dev->ts.nr_bufs    = 32;
 	dev->ts.nr_packets = 32*4;
-	dev->dvb.name = dev->name;
-	videobuf_queue_sg_init(&dev->dvb.dvbq, &saa7134_ts_qops,
+	fe0->dvb.name = dev->name;
+	videobuf_queue_sg_init(&fe0->dvb.dvbq, &saa7134_ts_qops,
 			    &dev->pci->dev, &dev->slock,
 			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
 			    V4L2_FIELD_ALTERNATE,
@@ -959,47 +969,47 @@ static int dvb_init(struct saa7134_dev *dev)
 	switch (dev->board) {
 	case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL:
 		dprintk("pinnacle 300i dvb setup\n");
-		dev->dvb.frontend = dvb_attach(mt352_attach, &pinnacle_300i,
+		fe0->dvb.frontend = dvb_attach(mt352_attach, &pinnacle_300i,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dev->dvb.frontend->ops.tuner_ops.set_params = mt352_pinnacle_tuner_set_params;
+		if (fe0->dvb.frontend) {
+			fe0->dvb.frontend->ops.tuner_ops.set_params = mt352_pinnacle_tuner_set_params;
 		}
 		break;
 	case SAA7134_BOARD_AVERMEDIA_777:
 	case SAA7134_BOARD_AVERMEDIA_A16AR:
 		dprintk("avertv 777 dvb setup\n");
-		dev->dvb.frontend = dvb_attach(mt352_attach, &avermedia_777,
+		fe0->dvb.frontend = dvb_attach(mt352_attach, &avermedia_777,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend) {
+			dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 				   &dev->i2c_adap, 0x61,
 				   TUNER_PHILIPS_TD1316);
 		}
 		break;
 	case SAA7134_BOARD_AVERMEDIA_A16D:
 		dprintk("AverMedia A16D dvb setup\n");
-		dev->dvb.frontend = dvb_attach(mt352_attach,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
 						&avermedia_xc3028_mt352_dev,
 						&dev->i2c_adap);
 		attach_xc3028 = 1;
 		break;
 	case SAA7134_BOARD_MD7134:
-		dev->dvb.frontend = dvb_attach(tda10046_attach,
+		fe0->dvb.frontend = dvb_attach(tda10046_attach,
 					       &medion_cardbus,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend) {
+			dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 				   &dev->i2c_adap, medion_cardbus.tuner_address,
 				   TUNER_PHILIPS_FMD1216ME_MK3);
 		}
 		break;
 	case SAA7134_BOARD_PHILIPS_TOUGH:
-		dev->dvb.frontend = dvb_attach(tda10046_attach,
+		fe0->dvb.frontend = dvb_attach(tda10046_attach,
 					       &philips_tu1216_60_config,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dev->dvb.frontend->ops.tuner_ops.init = philips_tu1216_init;
-			dev->dvb.frontend->ops.tuner_ops.set_params = philips_tda6651_pll_set;
+		if (fe0->dvb.frontend) {
+			fe0->dvb.frontend->ops.tuner_ops.init = philips_tu1216_init;
+			fe0->dvb.frontend->ops.tuner_ops.set_params = philips_tda6651_pll_set;
 		}
 		break;
 	case SAA7134_BOARD_FLYDVBTDUO:
@@ -1010,24 +1020,24 @@ static int dvb_init(struct saa7134_dev *dev)
 		break;
 	case SAA7134_BOARD_PHILIPS_EUROPA:
 	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
-		dev->dvb.frontend = dvb_attach(tda10046_attach,
+		fe0->dvb.frontend = dvb_attach(tda10046_attach,
 					       &philips_europa_config,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dev->original_demod_sleep = dev->dvb.frontend->ops.sleep;
-			dev->dvb.frontend->ops.sleep = philips_europa_demod_sleep;
-			dev->dvb.frontend->ops.tuner_ops.init = philips_europa_tuner_init;
-			dev->dvb.frontend->ops.tuner_ops.sleep = philips_europa_tuner_sleep;
-			dev->dvb.frontend->ops.tuner_ops.set_params = philips_td1316_tuner_set_params;
+		if (fe0->dvb.frontend) {
+			dev->original_demod_sleep = fe0->dvb.frontend->ops.sleep;
+			fe0->dvb.frontend->ops.sleep = philips_europa_demod_sleep;
+			fe0->dvb.frontend->ops.tuner_ops.init = philips_europa_tuner_init;
+			fe0->dvb.frontend->ops.tuner_ops.sleep = philips_europa_tuner_sleep;
+			fe0->dvb.frontend->ops.tuner_ops.set_params = philips_td1316_tuner_set_params;
 		}
 		break;
 	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
-		dev->dvb.frontend = dvb_attach(tda10046_attach,
+		fe0->dvb.frontend = dvb_attach(tda10046_attach,
 					       &philips_tu1216_61_config,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dev->dvb.frontend->ops.tuner_ops.init = philips_tu1216_init;
-			dev->dvb.frontend->ops.tuner_ops.set_params = philips_tda6651_pll_set;
+		if (fe0->dvb.frontend) {
+			fe0->dvb.frontend->ops.tuner_ops.init = philips_tu1216_init;
+			fe0->dvb.frontend->ops.tuner_ops.set_params = philips_tda6651_pll_set;
 		}
 		break;
 	case SAA7134_BOARD_KWORLD_DVBT_210:
@@ -1060,20 +1070,20 @@ static int dvb_init(struct saa7134_dev *dev)
 					 &tda827x_cfg_0) < 0)
 			goto dettach_frontend;
 		break;
-	case SAA7134_BOARD_FLYDVB_TRIO:
+	case SAA7134_BOARD_FLYDVB_TRIO: // XXXXXX multifrontend
 		if (!use_frontend) {	/* terrestrial */
 			if (configure_tda827x_fe(dev, &lifeview_trio_config,
 						 &tda827x_cfg_0) < 0)
 				goto dettach_frontend;
 		} else {  		/* satellite */
-			dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs, &dev->i2c_adap);
-			if (dev->dvb.frontend) {
-				if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x63,
+			fe0->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs, &dev->i2c_adap);
+			if (fe0->dvb.frontend) {
+				if (dvb_attach(tda826x_attach, fe0->dvb.frontend, 0x63,
 									&dev->i2c_adap, 0) == NULL) {
 					wprintk("%s: Lifeview Trio, No tda826x found!\n", __func__);
 					goto dettach_frontend;
 				}
-				if (dvb_attach(isl6421_attach, dev->dvb.frontend, &dev->i2c_adap,
+				if (dvb_attach(isl6421_attach, fe0->dvb.frontend, &dev->i2c_adap,
 										0x08, 0, 0) == NULL) {
 					wprintk("%s: Lifeview Trio, No ISL6421 found!\n", __func__);
 					goto dettach_frontend;
@@ -1083,11 +1093,11 @@ static int dvb_init(struct saa7134_dev *dev)
 		break;
 	case SAA7134_BOARD_ADS_DUO_CARDBUS_PTV331:
 	case SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS:
-		dev->dvb.frontend = dvb_attach(tda10046_attach,
+		fe0->dvb.frontend = dvb_attach(tda10046_attach,
 					       &ads_tech_duo_config,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			if (dvb_attach(tda827x_attach,dev->dvb.frontend,
+		if (fe0->dvb.frontend) {
+			if (dvb_attach(tda827x_attach,fe0->dvb.frontend,
 				   ads_tech_duo_config.tuner_address, &dev->i2c_adap,
 								&ads_duo_cfg) == NULL) {
 				wprintk("no tda827x tuner found at addr: %02x\n",
@@ -1108,15 +1118,15 @@ static int dvb_init(struct saa7134_dev *dev)
 						 &tda827x_cfg_0) < 0)
 				goto dettach_frontend;
 		} else {        /* satellite */
-			dev->dvb.frontend = dvb_attach(tda10086_attach,
+			fe0->dvb.frontend = dvb_attach(tda10086_attach,
 							&flydvbs, &dev->i2c_adap);
-			if (dev->dvb.frontend) {
-				struct dvb_frontend *fe = dev->dvb.frontend;
+			if (fe0->dvb.frontend) {
+				struct dvb_frontend *fe = fe0->dvb.frontend;
 				u8 dev_id = dev->eedata[2];
 				u8 data = 0xc4;
 				struct i2c_msg msg = {.addr = 0x08, .flags = 0, .len = 1};
 
-				if (dvb_attach(tda826x_attach, dev->dvb.frontend,
+				if (dvb_attach(tda826x_attach, fe0->dvb.frontend,
 						0x60, &dev->i2c_adap, 0) == NULL) {
 					wprintk("%s: Medion Quadro, no tda826x "
 						"found !\n", __func__);
@@ -1150,31 +1160,31 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180:
-		dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180,
+		fe0->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend)
-			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
+		if (fe0->dvb.frontend)
+			dvb_attach(dvb_pll_attach, fe0->dvb.frontend, 0x61,
 				   NULL, DVB_PLL_TDHU2);
 		break;
 	case SAA7134_BOARD_ADS_INSTANT_HDTV_PCI:
 	case SAA7134_BOARD_KWORLD_ATSC110:
-		dev->dvb.frontend = dvb_attach(nxt200x_attach, &kworldatsc110,
+		fe0->dvb.frontend = dvb_attach(nxt200x_attach, &kworldatsc110,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend)
-			dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+		if (fe0->dvb.frontend)
+			dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 				   &dev->i2c_adap, 0x61,
 				   TUNER_PHILIPS_TUV1236D);
 		break;
 	case SAA7134_BOARD_FLYDVBS_LR300:
-		dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
+		fe0->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x60,
+		if (fe0->dvb.frontend) {
+			if (dvb_attach(tda826x_attach, fe0->dvb.frontend, 0x60,
 				       &dev->i2c_adap, 0) == NULL) {
 				wprintk("%s: No tda826x found!\n", __func__);
 				goto dettach_frontend;
 			}
-			if (dvb_attach(isl6421_attach, dev->dvb.frontend,
+			if (dvb_attach(isl6421_attach, fe0->dvb.frontend,
 				       &dev->i2c_adap, 0x08, 0, 0) == NULL) {
 				wprintk("%s: No ISL6421 found!\n", __func__);
 				goto dettach_frontend;
@@ -1182,25 +1192,25 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_ASUS_EUROPA2_HYBRID:
-		dev->dvb.frontend = dvb_attach(tda10046_attach,
+		fe0->dvb.frontend = dvb_attach(tda10046_attach,
 					       &medion_cardbus,
 					       &dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dev->original_demod_sleep = dev->dvb.frontend->ops.sleep;
-			dev->dvb.frontend->ops.sleep = philips_europa_demod_sleep;
+		if (fe0->dvb.frontend) {
+			dev->original_demod_sleep = fe0->dvb.frontend->ops.sleep;
+			fe0->dvb.frontend->ops.sleep = philips_europa_demod_sleep;
 
-			dvb_attach(simple_tuner_attach, dev->dvb.frontend,
+			dvb_attach(simple_tuner_attach, fe0->dvb.frontend,
 				   &dev->i2c_adap, medion_cardbus.tuner_address,
 				   TUNER_PHILIPS_FMD1216ME_MK3);
 		}
 		break;
 	case SAA7134_BOARD_VIDEOMATE_DVBT_200A:
-		dev->dvb.frontend = dvb_attach(tda10046_attach,
+		fe0->dvb.frontend = dvb_attach(tda10046_attach,
 				&philips_europa_config,
 				&dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			dev->dvb.frontend->ops.tuner_ops.init = philips_td1316_tuner_init;
-			dev->dvb.frontend->ops.tuner_ops.set_params = philips_td1316_tuner_set_params;
+		if (fe0->dvb.frontend) {
+			fe0->dvb.frontend->ops.tuner_ops.init = philips_td1316_tuner_init;
+			fe0->dvb.frontend->ops.tuner_ops.set_params = philips_td1316_tuner_set_params;
 		}
 		break;
 	case SAA7134_BOARD_CINERGY_HT_PCMCIA:
@@ -1239,15 +1249,15 @@ static int dvb_init(struct saa7134_dev *dev)
 			goto dettach_frontend;
 		break;
 	case SAA7134_BOARD_PHILIPS_SNAKE:
-		dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
+		fe0->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs,
 						&dev->i2c_adap);
-		if (dev->dvb.frontend) {
-			if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x60,
+		if (fe0->dvb.frontend) {
+			if (dvb_attach(tda826x_attach, fe0->dvb.frontend, 0x60,
 					&dev->i2c_adap, 0) == NULL) {
 				wprintk("%s: No tda826x found!\n", __func__);
 				goto dettach_frontend;
 			}
-			if (dvb_attach(lnbp21_attach, dev->dvb.frontend,
+			if (dvb_attach(lnbp21_attach, fe0->dvb.frontend,
 					&dev->i2c_adap, 0, 0) == NULL) {
 				wprintk("%s: No lnbp21 found!\n", __func__);
 				goto dettach_frontend;
@@ -1269,24 +1279,24 @@ static int dvb_init(struct saa7134_dev *dev)
 		saa7134_set_gpio(dev, 25, 0);
 		msleep(10);
 		saa7134_set_gpio(dev, 25, 1);
-		dev->dvb.frontend = dvb_attach(mt352_attach,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
 						&avermedia_xc3028_mt352_dev,
 						&dev->i2c_adap);
 		attach_xc3028 = 1;
 		break;
 	case SAA7134_BOARD_MD7134_BRIDGE_2:
-		dev->dvb.frontend = dvb_attach(tda10086_attach,
+		fe0->dvb.frontend = dvb_attach(tda10086_attach,
 						&sd1878_4m, &dev->i2c_adap);
-		if (dev->dvb.frontend) {
+		if (fe0->dvb.frontend) {
 			struct dvb_frontend *fe;
-			if (dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
+			if (dvb_attach(dvb_pll_attach, fe0->dvb.frontend, 0x60,
 				  &dev->i2c_adap, DVB_PLL_PHILIPS_SD1878_TDA8261) == NULL) {
 				wprintk("%s: MD7134 DVB-S, no SD1878 "
 					"found !\n", __func__);
 				goto dettach_frontend;
 			}
 			/* we need to open the i2c gate (we know it exists) */
-			fe = dev->dvb.frontend;
+			fe = fe0->dvb.frontend;
 			fe->ops.i2c_gate_ctrl(fe, 1);
 			if (dvb_attach(isl6405_attach, fe,
 					&dev->i2c_adap, 0x08, 0, 0) == NULL) {
@@ -1305,7 +1315,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		saa7134_set_gpio(dev, 25, 0);
 		msleep(10);
 		saa7134_set_gpio(dev, 25, 1);
-		dev->dvb.frontend = dvb_attach(mt352_attach,
+		fe0->dvb.frontend = dvb_attach(mt352_attach,
 						&avermedia_xc3028_mt352_dev,
 						&dev->i2c_adap);
 		attach_xc3028 = 1;
@@ -1316,17 +1326,17 @@ static int dvb_init(struct saa7134_dev *dev)
 							&tda827x_cfg_2) < 0)
 				goto dettach_frontend;
 		} else {  		/* satellite */
-			dev->dvb.frontend = dvb_attach(tda10086_attach,
+			fe0->dvb.frontend = dvb_attach(tda10086_attach,
 						&flydvbs, &dev->i2c_adap);
-			if (dev->dvb.frontend) {
+			if (fe0->dvb.frontend) {
 				if (dvb_attach(tda826x_attach,
-						dev->dvb.frontend, 0x60,
+						fe0->dvb.frontend, 0x60,
 						&dev->i2c_adap, 0) == NULL) {
 					wprintk("%s: Asus Tiger 3in1, no "
 						"tda826x found!\n", __func__);
 					goto dettach_frontend;
 				}
-				if (dvb_attach(lnbp21_attach, dev->dvb.frontend,
+				if (dvb_attach(lnbp21_attach, fe0->dvb.frontend,
 						&dev->i2c_adap, 0, 0) == NULL) {
 					wprintk("%s: Asus Tiger 3in1, no lnbp21"
 						" found!\n", __func__);
@@ -1352,10 +1362,10 @@ static int dvb_init(struct saa7134_dev *dev)
 			.i2c_addr  = 0x61,
 		};
 
-		if (!dev->dvb.frontend)
+		if (!fe0->dvb.frontend)
 			return -1;
 
-		fe = dvb_attach(xc2028_attach, dev->dvb.frontend, &cfg);
+		fe = dvb_attach(xc2028_attach, fe0->dvb.frontend, &cfg);
 		if (!fe) {
 			printk(KERN_ERR "%s/2: xc3028 attach failed\n",
 			       dev->name);
@@ -1363,40 +1373,47 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 	}
 
-	if (NULL == dev->dvb.frontend) {
+	if (NULL == fe0->dvb.frontend) {
 		printk(KERN_ERR "%s/dvb: frontend initialization failed\n", dev->name);
 		return -1;
 	}
 	/* define general-purpose callback pointer */
-	dev->dvb.frontend->callback = saa7134_tuner_callback;
+	fe0->dvb.frontend->callback = saa7134_tuner_callback;
 
 	/* register everything else */
-	ret = videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev, &dev->pci->dev,
-				    adapter_nr);
+	ret = videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
+		&dev->pci->dev, adapter_nr);
 
 	/* this sequence is necessary to make the tda1004x load its firmware
 	 * and to enter analog mode of hybrid boards
 	 */
 	if (!ret) {
-		if (dev->dvb.frontend->ops.init)
-			dev->dvb.frontend->ops.init(dev->dvb.frontend);
-		if (dev->dvb.frontend->ops.sleep)
-			dev->dvb.frontend->ops.sleep(dev->dvb.frontend);
-		if (dev->dvb.frontend->ops.tuner_ops.sleep)
-			dev->dvb.frontend->ops.tuner_ops.sleep(dev->dvb.frontend);
+		if (fe0->dvb.frontend->ops.init)
+			fe0->dvb.frontend->ops.init(fe0->dvb.frontend);
+		if (fe0->dvb.frontend->ops.sleep)
+			fe0->dvb.frontend->ops.sleep(fe0->dvb.frontend);
+		if (fe0->dvb.frontend->ops.tuner_ops.sleep)
+			fe0->dvb.frontend->ops.tuner_ops.sleep(fe0->dvb.frontend);
 	}
 	return ret;
 
 dettach_frontend:
-	if (dev->dvb.frontend)
-		dvb_frontend_detach(dev->dvb.frontend);
-	dev->dvb.frontend = NULL;
+	if (fe0->dvb.frontend)
+		dvb_frontend_detach(fe0->dvb.frontend);
+	fe0->dvb.frontend = NULL;
 
 	return -1;
 }
 
 static int dvb_fini(struct saa7134_dev *dev)
 {
+	struct videobuf_dvb_frontend *fe0;
+
+	/* Get the first frontend */
+	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
+	if (!fe0)
+		return -EINVAL;
+
 	/* FIXME: I suspect that this code is bogus, since the entry for
 	   Pinnacle 300I DVB-T PAL already defines the proper init to allow
 	   the detection of mt2032 (TDA9887_PORT2_INACTIVE)
@@ -1416,7 +1433,7 @@ static int dvb_fini(struct saa7134_dev *dev)
 			u8 data = 0x80;
 			struct i2c_msg msg = {.addr = 0x08, .buf = &data, .flags = 0, .len = 1};
 			struct dvb_frontend *fe;
-			fe = dev->dvb.frontend;
+			fe = fe0->dvb.frontend;
 			if (fe->ops.i2c_gate_ctrl) {
 				fe->ops.i2c_gate_ctrl(fe, 1);
 				i2c_transfer(&dev->i2c_adap, &msg, 1);
@@ -1424,8 +1441,8 @@ static int dvb_fini(struct saa7134_dev *dev)
 			}
 		}
 	}
-	if (dev->dvb.frontend)
-		videobuf_dvb_unregister(&dev->dvb);
+	if (fe0->dvb.frontend)
+		videobuf_dvb_unregister_bus(&dev->frontends);
 	return 0;
 }
 
diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h
index 491ab1f8fdd..24096d6e1ef 100644
--- a/drivers/media/video/saa7134/saa7134.h
+++ b/drivers/media/video/saa7134/saa7134.h
@@ -581,7 +581,7 @@ struct saa7134_dev {
 
 #if defined(CONFIG_VIDEO_SAA7134_DVB) || defined(CONFIG_VIDEO_SAA7134_DVB_MODULE)
 	/* SAA7134_MPEG_DVB only */
-	struct videobuf_dvb        dvb;
+	struct videobuf_dvb_frontends frontends;
 	int (*original_demod_sleep)(struct dvb_frontend *fe);
 	int (*original_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
 	int (*original_set_high_voltage)(struct dvb_frontend *fe, long arg);
diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index b56cffcbfd4..194fb765e58 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -135,29 +135,75 @@ static int videobuf_dvb_stop_feed(struct dvb_demux_feed *feed)
 }
 
 /* ------------------------------------------------------------------ */
+/* Register a single adapter and one or more frontends */
+int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
+			  struct module *module,
+			  void *adapter_priv,
+			  struct device *device,
+			  short *adapter_nr) //NEW
+{
+	struct list_head *list, *q;
+	struct videobuf_dvb_frontend *fe;
+	int res = -EINVAL;
+
+	fe = videobuf_dvb_get_frontend(f, 1);
+	if (!fe) {
+		printk(KERN_WARNING "Unable to register the adapter which has no frontends\n");
+		goto err;
+	}
+
+	/* Bring up the adapter */
+	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device, fe->dvb.name, adapter_nr); //NEW
+	if (res < 0) {
+		printk(KERN_WARNING "videobuf_dvb_register_adapter failed (errno = %d)\n", res);
+		goto err;
+	}
 
-int videobuf_dvb_register(struct videobuf_dvb *dvb,
+	/* Attach all of the frontends to the adapter */
+	mutex_lock(&f->lock);
+	list_for_each_safe(list, q, &f->frontend.felist) {
+		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
+
+		res = videobuf_dvb_register_frontend(&f->adapter, &fe->dvb);
+		if (res < 0) {
+			printk(KERN_WARNING "%s: videobuf_dvb_register_frontend failed (errno = %d)\n",
+				fe->dvb.name, res);
+		}
+	}
+	mutex_unlock(&f->lock);
+
+err:
+	return res;
+}
+
+int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 			  struct module *module,
 			  void *adapter_priv,
 			  struct device *device,
-			  short *adapter_nr)
+			  char *adapter_name,
+			  short *adapter_nr) //NEW
 {
 	int result;
 
-	mutex_init(&dvb->lock);
+	mutex_init(&fe->lock);
 
 	/* register adapter */
-	result = dvb_register_adapter(&dvb->adapter, dvb->name, module, device,
-				      adapter_nr);
+	result = dvb_register_adapter(&fe->adapter, adapter_name, module, device, adapter_nr);
 	if (result < 0) {
 		printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
-		       dvb->name, result);
-		goto fail_adapter;
+		       adapter_name, result);
 	}
-	dvb->adapter.priv = adapter_priv;
+	fe->adapter.priv = adapter_priv;
+
+	return result;
+}
+
+int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_dvb *dvb)
+{
+	int result;
 
 	/* register frontend */
-	result = dvb_register_frontend(&dvb->adapter, dvb->frontend);
+	result = dvb_register_frontend(adapter, dvb->frontend);
 	if (result < 0) {
 		printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
 		       dvb->name, result);
@@ -183,7 +229,9 @@ int videobuf_dvb_register(struct videobuf_dvb *dvb,
 	dvb->dmxdev.filternum    = 256;
 	dvb->dmxdev.demux        = &dvb->demux.dmx;
 	dvb->dmxdev.capabilities = 0;
-	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
+	//result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
+	result = dvb_dmxdev_init(&dvb->dmxdev, adapter);
+
 	if (result < 0) {
 		printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
 		       dvb->name, result);
@@ -214,7 +262,7 @@ int videobuf_dvb_register(struct videobuf_dvb *dvb,
 	}
 
 	/* register network adapter */
-	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);
+	dvb_net_init(adapter, &dvb->net, &dvb->demux.dmx);
 	return 0;
 
 fail_fe_conn:
@@ -230,24 +278,101 @@ fail_dmx:
 fail_frontend:
 	dvb_frontend_detach(dvb->frontend);
 	dvb_unregister_adapter(&dvb->adapter);
-fail_adapter:
+
 	return result;
 }
 
-void videobuf_dvb_unregister(struct videobuf_dvb *dvb)
+void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 {
-	dvb_net_release(&dvb->net);
-	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);
-	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
-	dvb_dmxdev_release(&dvb->dmxdev);
-	dvb_dmx_release(&dvb->demux);
-	dvb_unregister_frontend(dvb->frontend);
-	dvb_frontend_detach(dvb->frontend);
-	dvb_unregister_adapter(&dvb->adapter);
+	struct list_head *list, *q;
+	struct videobuf_dvb_frontend *fe;
+
+	mutex_lock(&f->lock);
+	list_for_each_safe(list, q, &f->frontend.felist) {
+		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
+
+		dvb_net_release(&fe->dvb.net);
+		fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_mem);
+		fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_hw);
+		dvb_dmxdev_release(&fe->dvb.dmxdev);
+		dvb_dmx_release(&fe->dvb.demux);
+		dvb_unregister_frontend(fe->dvb.frontend);
+		dvb_frontend_detach(fe->dvb.frontend);
+
+		list_del(list);
+		kfree(fe);
+	}
+	mutex_unlock(&f->lock);
+
+	dvb_unregister_adapter(&f->adapter);
+}
+
+struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id)
+{
+	struct list_head *list, *q;
+	struct videobuf_dvb_frontend *fe, *ret = NULL;
+
+	mutex_lock(&f->lock);
+
+	list_for_each_safe(list, q, &f->frontend.felist) {
+		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
+		if (fe->id == id) {
+			ret = fe;
+			break;
+		}
+	}
+
+	mutex_unlock(&f->lock);
+
+	return ret;
+}
+
+int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p)
+{
+	struct list_head *list, *q;
+	struct videobuf_dvb_frontend *fe = NULL;
+	int ret = 0;
+
+	mutex_lock(&f->lock);
+
+	list_for_each_safe(list, q, &f->frontend.felist) {
+		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
+		if (fe->dvb.frontend == p) {
+			ret = fe->id;
+			break;
+		}
+	}
+
+	mutex_unlock(&f->lock);
+
+	return ret;
+}
+
+struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct videobuf_dvb_frontends *f, int id)
+{
+	struct videobuf_dvb_frontend *fe;
+
+	fe = kzalloc(sizeof(struct videobuf_dvb_frontend),GFP_KERNEL);
+	if (fe == NULL)
+		goto fail_alloc;
+
+	fe->dev = private;
+	fe->id = id;
+	mutex_init(&fe->dvb.lock);
+
+	mutex_lock(&f->lock);
+	list_add_tail(&fe->felist,&f->frontend.felist);
+	mutex_unlock(&f->lock);
+
+fail_alloc:
+	return fe;
 }
 
-EXPORT_SYMBOL(videobuf_dvb_register);
-EXPORT_SYMBOL(videobuf_dvb_unregister);
+EXPORT_SYMBOL(videobuf_dvb_register_bus);
+EXPORT_SYMBOL(videobuf_dvb_unregister_bus);
+EXPORT_SYMBOL(videobuf_dvb_alloc_frontend);
+EXPORT_SYMBOL(videobuf_dvb_get_frontend);
+EXPORT_SYMBOL(videobuf_dvb_find_frontend);
 
 /* ------------------------------------------------------------------ */
 /*
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index b7774869632..09547ec3f3c 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -24,12 +24,42 @@ struct videobuf_dvb {
 	struct dvb_net             net;
 };
 
-int videobuf_dvb_register(struct videobuf_dvb *dvb,
+struct videobuf_dvb_frontend {
+	void *dev;
+	struct list_head felist;
+	int id;
+	struct videobuf_dvb dvb;
+};
+
+struct videobuf_dvb_frontends {
+	struct mutex lock;
+	struct dvb_adapter adapter;
+	int active_fe_id; /* Indicates which frontend in the felist is in use */
+	struct videobuf_dvb_frontend frontend;
+};
+
+int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 			  struct module *module,
 			  void *adapter_priv,
 			  struct device *device,
-			  short *adapter_nr);
-void videobuf_dvb_unregister(struct videobuf_dvb *dvb);
+			  short *adapter_nr);   //NEW
+
+void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f);
+
+int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *f,
+			  struct module *module,
+			  void *adapter_priv,
+			  struct device *device,
+			  char *adapter_name,
+			  short *adapter_nr);   //NEW
+
+int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_dvb *dvb);
+
+struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct videobuf_dvb_frontends *f, int id);
+
+struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id);
+int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p);
+
 
 /*
  * Local variables:
-- 
GitLab


From 92abe9ee374599179033f039b095864a9cf74593 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Sat, 11 Oct 2008 11:18:53 -0300
Subject: [PATCH 1041/2224] V4L/DVB (9223): MFE: Fix a number of bugs and some
 tidying up

A number of reference to videobuf_dvb_get_frontend used an invalid
index. This has been fixed.

The section for the HVR3000 in advise_acquire was redundant as
the same logic is used on the HVR4000. This has been removed
and both cards now use the same function.

A number of small errors and whitespace errors are also fixed.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-dvb.c |  8 ++---
 drivers/media/video/cx88/cx88-cards.c     |  1 -
 drivers/media/video/cx88/cx88-dvb.c       | 38 +++--------------------
 drivers/media/video/cx88/cx88-input.c     |  1 -
 drivers/media/video/saa7134/saa7134-dvb.c |  7 +++--
 drivers/media/video/videobuf-dvb.c        |  3 +-
 6 files changed, 13 insertions(+), 45 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index fe1218fd44c..d8c25a80256 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -314,7 +314,7 @@ static int dvb_register(struct cx23885_tsport *port)
 	struct cx23885_i2c *i2c_bus = NULL;
 	struct videobuf_dvb_frontend *fe0;
 
-	fe0 = videobuf_dvb_get_frontend(&port->frontends, 0);
+	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 	if (!fe0)
 		return -EINVAL;
 
@@ -336,7 +336,7 @@ static int dvb_register(struct cx23885_tsport *port)
 		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1800:
 		i2c_bus = &dev->i2c_bus[0];
-		switch (alt_tuner) { // XXXXXX multifrontend?
+		switch (alt_tuner) {
 		case 1:
 			fe0->dvb.frontend =
 				dvb_attach(s5h1409_attach,
@@ -554,7 +554,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 	struct cx23885_dev *dev = port->dev;
 	int err;
 
-	fe0 = videobuf_dvb_get_frontend(&port->frontends, 0);
+	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 	if (!fe0)
 		err = -EINVAL;
 
@@ -583,7 +583,7 @@ int cx23885_dvb_unregister(struct cx23885_tsport *port)
 {
 	struct videobuf_dvb_frontend *fe0;
 
-	fe0 = videobuf_dvb_get_frontend(&port->frontends, 0);
+	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 	/* dvb */
 	if(fe0->dvb.frontend)
 		videobuf_dvb_unregister_bus(&port->frontends);
diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index 638d9ec38d7..402a5db90e4 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -3004,7 +3004,6 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 		cx88_card_list(core, pci);
 	}
 
-	memset(&core->board, 0, sizeof(core->board));
 	memcpy(&core->board, &cx88_boards[core->boardnr], sizeof(core->board));
 
 	if (!core->board.num_frontends)
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 099de66c72c..58128687e5c 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -124,7 +124,6 @@ static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
 		return -EINVAL;
 	}
 
-
 	drv = cx8802_get_driver(dev, CX88_MPEG_DVB);
 	if (drv) {
 		if (acquire){
@@ -502,7 +501,7 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev)
 		.ctrl      = &ctl,
 	};
 
-/* Get the first frontend */
+	/* Get the first frontend */
 	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
 	if (!fe0)
 		return -EINVAL;
@@ -1136,35 +1135,7 @@ static int cx8802_dvb_advise_acquire(struct cx8802_driver *drv)
 		udelay(1000);
 		break;
 
-	case CX88_BOARD_HAUPPAUGE_HVR3000: /* ? */
-		if(core->dvbdev->frontends.active_fe_id == 1) {
-			/* DVB-S/S2 Enabled */
-
-			/* Toggle reset on cx22702 leaving i2c active */
-			cx_write(MO_GP0_IO, core->board.input[0].gpio0);
-			udelay(1000);
-			cx_clear(MO_GP0_IO, 0x00000080);
-			udelay(50);
-			cx_set(MO_GP0_IO, 0x00000080); /* cx22702 out of reset */
-			cx_set(MO_GP0_IO, 0x00000004); /* tri-state the cx22702 pins */
-			udelay(1000);
-
-			cx_write(MO_SRST_IO, 1); /* Take the cx24116/cx24123 out of reset */
-			core->dvbdev->ts_gen_cntrl = 0x02; /* Parallel IO */
-		} else
-		if (core->dvbdev->frontends.active_fe_id == 2) {
-			/* DVB-T Enabled */
-
-			/* Put the cx24116/cx24123 into reset */
-			cx_write(MO_SRST_IO, 0);
-
-			/* cx22702 out of reset and enable it */
-			cx_set(MO_GP0_IO,   0x00000080);
-			cx_clear(MO_GP0_IO, 0x00000004);
-			core->dvbdev->ts_gen_cntrl = 0x0c; /* Serial IO */
-			udelay(1000);
-		}
-		break;
+	case CX88_BOARD_HAUPPAUGE_HVR3000:
 	case CX88_BOARD_HAUPPAUGE_HVR4000:
 		if(core->dvbdev->frontends.active_fe_id == 1) {
 			/* DVB-S/S2 Enabled */
@@ -1225,7 +1196,7 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 {
 	struct cx88_core *core = drv->core;
 	struct cx8802_dev *dev = drv->core->dvbdev;
-	int err,i;
+	int err, i;
 	struct videobuf_dvb_frontend *fe;
 
 	dprintk( 1, "%s\n", __func__);
@@ -1267,8 +1238,7 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 	if (err != 0)
 		printk(KERN_ERR "%s/2: dvb_register failed (err = %d)\n",
 		       core->name, err);
-
- fail_core:
+fail_core:
 	return err;
 }
 
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c
index 17150cb88c8..8683d104de7 100644
--- a/drivers/media/video/cx88/cx88-input.c
+++ b/drivers/media/video/cx88/cx88-input.c
@@ -495,7 +495,6 @@ void cx88_ir_irq(struct cx88_core *core)
 	case CX88_BOARD_PINNACLE_PCTV_HD_800i:
 		ircode = ir_decode_biphase(ir->samples, ir->scount, 5, 7);
 		ir_dprintk("biphase decoded: %x\n", ircode);
-//TODO Darron has other code here
 		if ((ircode & 0xfffff000) != 0x3000)
 			break;
 		ir_input_keydown(ir->input, &ir->ir, ircode & 0x3f, ircode);
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 8ada0497fa0..cdb5f5dfe4d 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -537,7 +537,8 @@ static int configure_tda827x_fe(struct saa7134_dev *dev,
 {
 	struct videobuf_dvb_frontend *fe0;
 
-	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 0);
+	/* Get the first frontend */
+	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
 
 	fe0->dvb.frontend = dvb_attach(tda10046_attach, cdec_conf, &dev->i2c_adap);
 	if (fe0->dvb.frontend) {
@@ -951,7 +952,7 @@ static int dvb_init(struct saa7134_dev *dev)
 	struct videobuf_dvb_frontend *fe0;
 
 	/* Get the first frontend */
-	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 0);
+	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
 	if (!fe0)
 		return -EINVAL;
 
@@ -1070,7 +1071,7 @@ static int dvb_init(struct saa7134_dev *dev)
 					 &tda827x_cfg_0) < 0)
 			goto dettach_frontend;
 		break;
-	case SAA7134_BOARD_FLYDVB_TRIO: // XXXXXX multifrontend
+	case SAA7134_BOARD_FLYDVB_TRIO:
 		if (!use_frontend) {	/* terrestrial */
 			if (configure_tda827x_fe(dev, &lifeview_trio_config,
 						 &tda827x_cfg_0) < 0)
diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index 194fb765e58..a0a80e1e79e 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -229,7 +229,6 @@ int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_
 	dvb->dmxdev.filternum    = 256;
 	dvb->dmxdev.demux        = &dvb->demux.dmx;
 	dvb->dmxdev.capabilities = 0;
-	//result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
 	result = dvb_dmxdev_init(&dvb->dmxdev, adapter);
 
 	if (result < 0) {
@@ -277,7 +276,7 @@ fail_dmx:
 	dvb_unregister_frontend(dvb->frontend);
 fail_frontend:
 	dvb_frontend_detach(dvb->frontend);
-	dvb_unregister_adapter(&dvb->adapter);
+	dvb_unregister_adapter(adapter);
 
 	return result;
 }
-- 
GitLab


From f972e0bd9361594071d3e68e2342c53b51a1d42b Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Sat, 11 Oct 2008 11:24:30 -0300
Subject: [PATCH 1042/2224] V4L/DVB (9224): MFE: bugfix: add missing frontend
 allocation

When using MFE on a setup with both and HVR-3000 and ASUS P7131
card it was noticed that frontend allocation for saa7134
adapters was missing. This patch adds that allocation for
both saa7134 and cx23885 adapters.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-dvb.c | 13 +++++++++++++
 drivers/media/video/saa7134/saa7134-dvb.c | 12 ++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index d8c25a80256..c14878f74bc 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -314,6 +314,19 @@ static int dvb_register(struct cx23885_tsport *port)
 	struct cx23885_i2c *i2c_bus = NULL;
 	struct videobuf_dvb_frontend *fe0;
 
+	/* FIXME: add support for multi-frontend */
+	mutex_init(&port->frontends.lock);
+	INIT_LIST_HEAD(&port->frontends.frontend.felist);
+	port->frontends.active_fe_id = 0;
+
+	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
+
+	if (videobuf_dvb_alloc_frontend(dev, &port->frontends, 1) == NULL) {
+		printk(KERN_ERR "%s() failed to alloc\n", __func__);
+		return -ENOMEM;
+	}
+
+	/* Get the first frontend */
 	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 	if (!fe0)
 		return -EINVAL;
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index cdb5f5dfe4d..30ae0cbe78a 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -951,6 +951,18 @@ static int dvb_init(struct saa7134_dev *dev)
 	int attach_xc3028 = 0;
 	struct videobuf_dvb_frontend *fe0;
 
+	/* FIXME: add support for multi-frontend */
+	mutex_init(&dev->frontends.lock);
+	INIT_LIST_HEAD(&dev->frontends.frontend.felist);
+	dev->frontends.active_fe_id = 0;
+
+	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
+
+	if (videobuf_dvb_alloc_frontend(dev, &dev->frontends, 1) == NULL) {
+		printk(KERN_ERR "%s() failed to alloc\n", __func__);
+		return -ENOMEM;
+	}
+
 	/* Get the first frontend */
 	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
 	if (!fe0)
-- 
GitLab


From 8e739090d6cdd43ddf938a3899c4f929db8d5ba8 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Sat, 11 Oct 2008 11:31:41 -0300
Subject: [PATCH 1043/2224] V4L/DVB (9225): MFE: Add configurable gate control

This adds a configurable (one per card) gate control option
for multi-frontend. Prior to this point gate control was
assumed to be on the primary frontend, this is a fault
when the gate to the analogue section is on the secondary
which is the default for both the HVR-3000 and HVR-4000
in MFE.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-dvb.c |  7 ++++++-
 drivers/media/video/cx88/cx88-i2c.c | 20 +++++++++++---------
 include/media/videobuf-dvb.h        |  1 +
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 58128687e5c..9bb7bee0da6 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -608,7 +608,10 @@ static int dvb_register(struct cx8802_dev *dev)
 	if (!fe0)
 		return -EINVAL;
 
-	/* init frontend */
+	/* multi-frontend gate control is undefined or defaults to fe0 */
+	dev->frontends.gate = 0;
+
+	/* init frontend(s) */
 	switch (core->boardnr) {
 	case CX88_BOARD_HAUPPAUGE_DVB_T1:
 		fe0->dvb.frontend = dvb_attach(cx22702_attach,
@@ -665,6 +668,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		/* DVB-T init */
 		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
 		if (fe1) {
+			dev->frontends.gate = 2;
 			fe1->dvb.frontend = dvb_attach(cx22702_attach,
 				&hauppauge_hvr_config,
 				&dev->core->i2c_adap);
@@ -1008,6 +1012,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		/* DVB-T Init */
 		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
 		if (fe1) {
+			dev->frontends.gate = 2;
 			fe1->dvb.frontend = dvb_attach(cx22702_attach,
 				&hauppauge_hvr_config,
 				&dev->core->i2c_adap);
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index 582769de26b..01de2300709 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -116,23 +116,25 @@ static int detach_inform(struct i2c_client *client)
 
 void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg)
 {
-	struct videobuf_dvb_frontend *fe0 = NULL;
+	struct videobuf_dvb_frontends *f = &core->dvbdev->frontends;
+	struct videobuf_dvb_frontend *fe = NULL;
 	if (0 != core->i2c_rc)
 		return;
 
 #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
-	if (core->dvbdev) {
-		/* Get the first frontend and assume that all I2C is routed through it */
-		/* TODO: Get _THIS_FE_ then find the right i2c_gate_ctrl for it */
-		fe0 = videobuf_dvb_get_frontend(&core->dvbdev->frontends, 1);
+	if (core->dvbdev && f) {
+		if(f->gate <= 1) /* undefined or fe0 */
+			fe = videobuf_dvb_get_frontend(f, 1);
+		else
+			fe = videobuf_dvb_get_frontend(f, f->gate);
 
-		if (fe0 && fe0->dvb.frontend && fe0->dvb.frontend->ops.i2c_gate_ctrl)
-			fe0->dvb.frontend->ops.i2c_gate_ctrl(fe0->dvb.frontend, 1);
+		if (fe && fe->dvb.frontend && fe->dvb.frontend->ops.i2c_gate_ctrl)
+			fe->dvb.frontend->ops.i2c_gate_ctrl(fe->dvb.frontend, 1);
 
 		i2c_clients_command(&core->i2c_adap, cmd, arg);
 
-		if (fe0 && fe0->dvb.frontend && fe0->dvb.frontend->ops.i2c_gate_ctrl)
-			fe0->dvb.frontend->ops.i2c_gate_ctrl(fe0->dvb.frontend, 0);
+		if (fe && fe->dvb.frontend && fe->dvb.frontend->ops.i2c_gate_ctrl)
+			fe->dvb.frontend->ops.i2c_gate_ctrl(fe->dvb.frontend, 0);
 	} else
 #endif
 		i2c_clients_command(&core->i2c_adap, cmd, arg);
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index 09547ec3f3c..47bc2c5e7ba 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -36,6 +36,7 @@ struct videobuf_dvb_frontends {
 	struct dvb_adapter adapter;
 	int active_fe_id; /* Indicates which frontend in the felist is in use */
 	struct videobuf_dvb_frontend frontend;
+	int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
 };
 
 int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
-- 
GitLab


From 2f3af9e64de44743a860fd1eee966222a7accc54 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Sat, 11 Oct 2008 11:35:56 -0300
Subject: [PATCH 1044/2224] V4L/DVB (9226): MFE: cx88: Reset cx22702 on
 hvr-3000/4000

The cx22702 is now always reset on module load. Prior to
this the cx22702 was not found on i2c scan without a
full reset.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-cards.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index 402a5db90e4..3ef49c7a251 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -2664,10 +2664,13 @@ static void cx88_card_setup_pre_i2c(struct cx88_core *core)
 
 	case CX88_BOARD_HAUPPAUGE_HVR3000:
 	case CX88_BOARD_HAUPPAUGE_HVR4000:
-	case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
 		/* Init GPIO */
 		cx_write(MO_GP0_IO, core->board.input[0].gpio0);
 		udelay(1000);
+		cx_clear(MO_GP0_IO, 0x00000080);
+		udelay(50);
+		cx_set(MO_GP0_IO, 0x00000080); /* 702 out of reset */
+		udelay(1000);
 		break;
 	}
 }
-- 
GitLab


From 59b1842da1c6f33ad2e8da82d3dfb3445751d964 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Sat, 11 Oct 2008 11:44:05 -0300
Subject: [PATCH 1045/2224] V4L/DVB (9227): MFE: Add multi-frontend mutual
 exclusion

This add frontend R/W mutual exclusion.
Prior to this point in time it was possible to open both
frontends simultaneously which an MFE card cannot support.

In order to stop this, a delayed open is performed which
has the following function:

-  Return EBUSY after a configurable amount of time
   if a frontend is unavailable due to the other being
   in use.

-  Only allow opening of a frontend if the kernel thread
   of the other has stopped.

This solution was chosen to allow switching between
frontends to work as seamlessly as possible. When both
frontends are actually opened simultaneously then one
will only open, but if quick switching is performed
between one of many then the new open will succeed in
a clean fashion rather than interrupting a kernel
thread.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c | 43 ++++++++++++++++++++++-
 drivers/media/dvb/dvb-core/dvbdev.c       |  3 ++
 drivers/media/dvb/dvb-core/dvbdev.h       |  4 +++
 drivers/media/video/cx23885/cx23885-dvb.c |  2 +-
 drivers/media/video/cx88/cx88-dvb.c       | 11 +++---
 drivers/media/video/saa7134/saa7134-dvb.c |  2 +-
 drivers/media/video/videobuf-dvb.c        |  9 +++--
 include/media/videobuf-dvb.h              |  6 ++--
 8 files changed, 65 insertions(+), 15 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 26671757c70..62696f86557 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -47,6 +47,7 @@ static int dvb_shutdown_timeout;
 static int dvb_force_auto_inversion;
 static int dvb_override_tune_delay;
 static int dvb_powerdown_on_sleep = 1;
+static int dvb_mfe_wait_time = 5;
 
 module_param_named(frontend_debug, dvb_frontend_debug, int, 0644);
 MODULE_PARM_DESC(frontend_debug, "Turn on/off frontend core debugging (default:off).");
@@ -58,6 +59,8 @@ module_param(dvb_override_tune_delay, int, 0644);
 MODULE_PARM_DESC(dvb_override_tune_delay, "0: normal (default), >0 => delay in milliseconds to wait for lock after a tune attempt");
 module_param(dvb_powerdown_on_sleep, int, 0644);
 MODULE_PARM_DESC(dvb_powerdown_on_sleep, "0: do not power down, 1: turn LNB voltage off on sleep (default)");
+module_param(dvb_mfe_wait_time, int, 0644);
+MODULE_PARM_DESC(dvb_mfe_wait_time, "Wait up to <mfe_wait_time> seconds on open() for multi-frontend to become available (default:5 seconds)");
 
 #define dprintk if (dvb_frontend_debug) printk
 
@@ -1706,13 +1709,46 @@ static int dvb_frontend_open(struct inode *inode, struct file *file)
 	struct dvb_device *dvbdev = file->private_data;
 	struct dvb_frontend *fe = dvbdev->priv;
 	struct dvb_frontend_private *fepriv = fe->frontend_priv;
+	struct dvb_adapter *adapter = fe->dvb;
+	struct dvb_device *mfedev;
+	struct dvb_frontend *mfe;
+	struct dvb_frontend_private *mfepriv;
+	int mferetry;
 	int ret;
 
 	dprintk ("%s\n", __func__);
 
+	if (adapter->mfe_shared) {
+		mutex_lock (&adapter->mfe_lock);
+		if (adapter->mfe_dvbdev != dvbdev) {
+			if (adapter->mfe_dvbdev) {
+				mfedev = adapter->mfe_dvbdev;
+				mfe = mfedev->priv;
+				mfepriv = mfe->frontend_priv;
+				mutex_unlock (&adapter->mfe_lock);
+				mferetry = (dvb_mfe_wait_time << 1);
+				while (mferetry-- && (mfedev->users != -1 || mfepriv->thread != NULL)) {
+					if(msleep_interruptible(500)) {
+						if(signal_pending(current))
+							return -EINTR;
+					}
+				}
+				mutex_lock (&adapter->mfe_lock);
+				mfedev = adapter->mfe_dvbdev;
+				mfe = mfedev->priv;
+				mfepriv = mfe->frontend_priv;
+				if (mfedev->users != -1 || mfepriv->thread != NULL) {
+					ret = -EBUSY;
+					goto err0;
+				}
+			}
+			adapter->mfe_dvbdev = dvbdev;
+		}
+	}
+
 	if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) {
 		if ((ret = fe->ops.ts_bus_ctrl(fe, 1)) < 0)
-			return ret;
+			goto err0;
 	}
 
 	if ((ret = dvb_generic_open (inode, file)) < 0)
@@ -1732,6 +1768,8 @@ static int dvb_frontend_open(struct inode *inode, struct file *file)
 		fepriv->events.eventr = fepriv->events.eventw = 0;
 	}
 
+	if (adapter->mfe_shared)
+		mutex_unlock (&adapter->mfe_lock);
 	return ret;
 
 err2:
@@ -1739,6 +1777,9 @@ err2:
 err1:
 	if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl)
 		fe->ops.ts_bus_ctrl(fe, 0);
+err0:
+	if (adapter->mfe_shared)
+		mutex_unlock (&adapter->mfe_lock);
 	return ret;
 }
 
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 665776d72a4..a113744a56c 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -326,6 +326,9 @@ int dvb_register_adapter(struct dvb_adapter *adap, const char *name,
 	adap->name = name;
 	adap->module = module;
 	adap->device = device;
+	adap->mfe_shared = 0;
+	adap->mfe_dvbdev = NULL;
+	mutex_init (&adap->mfe_lock);
 
 	list_add_tail (&adap->list_head, &dvb_adapter_list);
 
diff --git a/drivers/media/dvb/dvb-core/dvbdev.h b/drivers/media/dvb/dvb-core/dvbdev.h
index 89d12dc477a..574e336bac3 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.h
+++ b/drivers/media/dvb/dvb-core/dvbdev.h
@@ -62,6 +62,10 @@ struct dvb_adapter {
 	struct device *device;
 
 	struct module *module;
+
+	int mfe_shared;			/* indicates mutually exclusive frontends */
+	struct dvb_device *mfe_dvbdev;	/* frontend device in use */
+	struct mutex mfe_lock;		/* access lock for thread creation */
 };
 
 
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index c14878f74bc..78851526db6 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -556,7 +556,7 @@ static int dvb_register(struct cx23885_tsport *port)
 
 	/* register everything */
 	return videobuf_dvb_register_bus(&port->frontends, THIS_MODULE, port,
-				     &dev->pci->dev, adapter_nr);
+		&dev->pci->dev, adapter_nr, 0);
 
 }
 
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 9bb7bee0da6..0dd0ff9227f 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -594,14 +594,9 @@ static struct stv0288_config tevii_tuner_earda_config = {
 
 static int dvb_register(struct cx8802_dev *dev)
 {
-	//struct cx88_core *core = dev->core;
-
-	///* init struct videobuf_dvb */
-	//fe->dvb.name = core->name;
-	//dev->ts_gen_cntrl = 0x0c;
-
 	struct cx88_core *core = dev->core;
 	struct videobuf_dvb_frontend *fe0, *fe1 = NULL;
+	int mfe_shared = 0; /* bus not shared by default */
 
 	/* Get the first frontend */
 	fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1);
@@ -669,6 +664,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
 		if (fe1) {
 			dev->frontends.gate = 2;
+			mfe_shared = 1;
 			fe1->dvb.frontend = dvb_attach(cx22702_attach,
 				&hauppauge_hvr_config,
 				&dev->core->i2c_adap);
@@ -1013,6 +1009,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
 		if (fe1) {
 			dev->frontends.gate = 2;
+			mfe_shared = 1;
 			fe1->dvb.frontend = dvb_attach(cx22702_attach,
 				&hauppauge_hvr_config,
 				&dev->core->i2c_adap);
@@ -1110,7 +1107,7 @@ static int dvb_register(struct cx8802_dev *dev)
 
 	/* register everything */
 	return videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
-		&dev->pci->dev, adapter_nr);
+		&dev->pci->dev, adapter_nr, mfe_shared);
 
 frontend_detach:
 	if (fe0->dvb.frontend) {
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 30ae0cbe78a..d2d238912fb 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -1395,7 +1395,7 @@ static int dvb_init(struct saa7134_dev *dev)
 
 	/* register everything else */
 	ret = videobuf_dvb_register_bus(&dev->frontends, THIS_MODULE, dev,
-		&dev->pci->dev, adapter_nr);
+		&dev->pci->dev, adapter_nr, 0);
 
 	/* this sequence is necessary to make the tda1004x load its firmware
 	 * and to enter analog mode of hybrid boards
diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index a0a80e1e79e..af0b75cda6f 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -140,7 +140,8 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 			  struct module *module,
 			  void *adapter_priv,
 			  struct device *device,
-			  short *adapter_nr) //NEW
+			  short *adapter_nr,
+			  int mfe_shared)
 {
 	struct list_head *list, *q;
 	struct videobuf_dvb_frontend *fe;
@@ -153,7 +154,7 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 	}
 
 	/* Bring up the adapter */
-	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device, fe->dvb.name, adapter_nr); //NEW
+	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device, fe->dvb.name, adapter_nr, mfe_shared);
 	if (res < 0) {
 		printk(KERN_WARNING "videobuf_dvb_register_adapter failed (errno = %d)\n", res);
 		goto err;
@@ -181,7 +182,8 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 			  void *adapter_priv,
 			  struct device *device,
 			  char *adapter_name,
-			  short *adapter_nr) //NEW
+			  short *adapter_nr,
+			  int mfe_shared)
 {
 	int result;
 
@@ -194,6 +196,7 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 		       adapter_name, result);
 	}
 	fe->adapter.priv = adapter_priv;
+	fe->adapter.mfe_shared = mfe_shared;
 
 	return result;
 }
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index 47bc2c5e7ba..1a401f7320b 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -43,7 +43,8 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 			  struct module *module,
 			  void *adapter_priv,
 			  struct device *device,
-			  short *adapter_nr);   //NEW
+			  short *adapter_nr,
+			  int mfe_shared);
 
 void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f);
 
@@ -52,7 +53,8 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *f,
 			  void *adapter_priv,
 			  struct device *device,
 			  char *adapter_name,
-			  short *adapter_nr);   //NEW
+			  short *adapter_nr,
+			  int mfe_shared);
 
 int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_dvb *dvb);
 
-- 
GitLab


From 923ac7f7d76116f4dd8d543f398e4811d2b1a30e Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Sat, 11 Oct 2008 11:49:30 -0300
Subject: [PATCH 1046/2224] V4L/DVB (9228): cx88: Add audio routing for the
 hvr-3000/4000

This adds audio routing on the hvr-3000/4000

This is a preliminary patch for later routing
requirements.

This adds line-in support on the 2 cards mentioned.
It is also apparent that there is an initial open
fault for line-in when opening composite/s-video.
This will be fixed later.

It was also noticed that the bit-field for audio
routing which was 2 bits needs an increase as
the WM8775 for example, allows a value 4 bits
wide for it's audio mux.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-cards.c | 8 ++++++++
 drivers/media/video/cx88/cx88.h       | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index 3ef49c7a251..6986844e33c 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -1277,18 +1277,22 @@ static const struct cx88_board cx88_boards[] = {
 		.tuner_addr     = ADDR_UNSET,
 		.radio_addr     = ADDR_UNSET,
 		.tda9887_conf   = TDA9887_PRESENT,
+		.audio_chip     = V4L2_IDENT_WM8775,
 		.input          = {{
 			.type   = CX88_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0  = 0x84bf,
+			.audioroute = 1,
 		},{
 			.type   = CX88_VMUX_COMPOSITE1,
 			.vmux   = 1,
 			.gpio0  = 0x84bf,
+			.audioroute = 2,
 		},{
 			.type   = CX88_VMUX_SVIDEO,
 			.vmux   = 2,
 			.gpio0  = 0x84bf,
+			.audioroute = 2,
 		}},
 		.mpeg           = CX88_MPEG_DVB,
 		.num_frontends	= 2,
@@ -1717,6 +1721,7 @@ static const struct cx88_board cx88_boards[] = {
 		.tuner_addr     = ADDR_UNSET,
 		.radio_addr     = ADDR_UNSET,
 		.tda9887_conf   = TDA9887_PRESENT,
+		.audio_chip     = V4L2_IDENT_WM8775,
 		/*
 		 * GPIO0 (WINTV2000)
 		 *
@@ -1751,14 +1756,17 @@ static const struct cx88_board cx88_boards[] = {
 			.type   = CX88_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0  = 0xc4bf,
+			.audioroute = 1,
 		}, {
 			.type   = CX88_VMUX_COMPOSITE1,
 			.vmux   = 1,
 			.gpio0  = 0xc4bf,
+			.audioroute = 2,
 		}, {
 			.type   = CX88_VMUX_SVIDEO,
 			.vmux   = 2,
 			.gpio0  = 0xc4bf,
+			.audioroute = 2,
 		} },
 		/* fixme: Add radio support */
 		.mpeg           = CX88_MPEG_DVB,
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 063f7b57e42..100ffc4b5d9 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -247,7 +247,7 @@ struct cx88_input {
 	enum cx88_itype type;
 	u32             gpio0, gpio1, gpio2, gpio3;
 	unsigned int    vmux:2;
-	unsigned int    audioroute:2;
+	unsigned int    audioroute:4;
 };
 
 struct cx88_board {
-- 
GitLab


From 63248f2664d89cc22cc5a13ec6c76e92f7d5ca39 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Sat, 11 Oct 2008 11:57:59 -0300
Subject: [PATCH 1047/2224] V4L/DVB (9229): cx88: Add intial config for FM
 radio support

This add initial configuration for radio support on the
hvr-3000/4000. FM radio doesn't work as yet without
further patches (to come), but this prepares for
that.

Experimental radio support shows that it works
when combined with additional audio routing
work for cards with an FMD1216ME analogue
frontend, but not the MEX variant (more later).

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-cards.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index 6986844e33c..db691abbb64 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -1270,7 +1270,6 @@ static const struct cx88_board cx88_boards[] = {
 		.mpeg           = CX88_MPEG_DVB,
 	},
 	[CX88_BOARD_HAUPPAUGE_HVR3000] = {
-		/* FIXME: Add dvb & radio support */
 		.name           = "Hauppauge WinTV-HVR3000 TriMode Analog/DVB-S/DVB-T",
 		.tuner_type     = TUNER_PHILIPS_FMD1216ME_MK3,
 		.radio_type     = UNSET,
@@ -1294,6 +1293,11 @@ static const struct cx88_board cx88_boards[] = {
 			.gpio0  = 0x84bf,
 			.audioroute = 2,
 		}},
+		/* FIXME Radio tunes but only noise is heard */
+		.radio = {
+			.type   = CX88_RADIO,
+			.gpio0	= 0x84bf,
+		},
 		.mpeg           = CX88_MPEG_DVB,
 		.num_frontends	= 2,
 	},
@@ -1735,7 +1739,7 @@ static const struct cx88_board cx88_boards[] = {
 		 * BIT  VALUE   FUNCTION GP{x}_IO
 		 * 0    1       I:?
 		 * 1    1       I:?
-		 * 2    1       O:DVB-T DEMOD ENABLE LOW/ANALOG DEMOD ENABLE HIGH
+		 * 2    1       O:MPEG PORT 0=DVB-T 1=DVB-S
 		 * 3    1       I:?
 		 * 4    1       I:?
 		 * 5    1       I:?
@@ -1768,7 +1772,11 @@ static const struct cx88_board cx88_boards[] = {
 			.gpio0  = 0xc4bf,
 			.audioroute = 2,
 		} },
-		/* fixme: Add radio support */
+		/* FIXME Radio tunes but only noise is heard */
+		.radio = {
+			.type   = CX88_RADIO,
+			.gpio0	= 0xc4bf,
+		},
 		.mpeg           = CX88_MPEG_DVB,
 		.num_frontends	= 2,
 	},
-- 
GitLab


From d782ffa24fc6ce01b3308a0bec5aa5d9d666b568 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Sat, 11 Oct 2008 12:25:25 -0300
Subject: [PATCH 1048/2224] V4L/DVB (9230): cx23885: MFE related OOPS fix

Bug: the tree generated an oops when the cx23885 was laoded. This avoids
the oops by ensuring the mutex is correctly initialised before it's used.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-core.c | 4 ++++
 drivers/media/video/cx23885/cx23885-dvb.c  | 5 -----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index beb3e61669a..7f4b6129717 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -643,6 +643,10 @@ static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *p
 	port->mpegq.timeout.data = (unsigned long)port;
 	init_timer(&port->mpegq.timeout);
 
+	mutex_init(&port->frontends.lock);
+	INIT_LIST_HEAD(&port->frontends.frontend.felist);
+	port->frontends.active_fe_id = 0;
+
 	switch(portno) {
 	case 1:
 		port->reg_gpcnt          = VID_B_GPCNT;
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 78851526db6..d779b8dd180 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -314,11 +314,6 @@ static int dvb_register(struct cx23885_tsport *port)
 	struct cx23885_i2c *i2c_bus = NULL;
 	struct videobuf_dvb_frontend *fe0;
 
-	/* FIXME: add support for multi-frontend */
-	mutex_init(&port->frontends.lock);
-	INIT_LIST_HEAD(&port->frontends.frontend.felist);
-	port->frontends.active_fe_id = 0;
-
 	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
 
 	if (videobuf_dvb_alloc_frontend(dev, &port->frontends, 1) == NULL) {
-- 
GitLab


From a739a7e4c642ebb1ab803fc2c9743aaf1833058b Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Sat, 11 Oct 2008 12:27:06 -0300
Subject: [PATCH 1049/2224] V4L/DVB (9231): cx23885: Define num_frontends as a
 function of the port

This allows some cardcoded functions to be more flexible, and paves
the way for any future cards that may have MFE support. Better to add it
now when the MFE patches is fresh in peoples mind, rather than 12 months
from now when new cards appear.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-core.c | 7 +++++++
 drivers/media/video/cx23885/cx23885.h      | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 7f4b6129717..0979ba62e33 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -647,6 +647,13 @@ static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *p
 	INIT_LIST_HEAD(&port->frontends.frontend.felist);
 	port->frontends.active_fe_id = 0;
 
+	/* This should be hardcoded allow a single frontend
+	 * attachment to this tsport, keeping the -dvb.c
+	 * code clean and safe.
+	 */
+	if(!port->num_frontends)
+		port->num_frontends = 1;
+
 	switch(portno) {
 	case 1:
 		port->reg_gpcnt          = VID_B_GPCNT;
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index aa34bf9ea4d..73d5d5756ae 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -262,6 +262,9 @@ struct cx23885_tsport {
 	u32                        src_sel_val;
 	u32                        vld_misc_val;
 	u32                        hw_sop_ctrl_val;
+
+	/* Allow a single tsport to have multiple frontends */
+	u32                        num_frontends;
 };
 
 struct cx23885_dev {
-- 
GitLab


From eb0c58bb1325593840af0e7fbb4dbc654e756591 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Sat, 11 Oct 2008 12:34:39 -0300
Subject: [PATCH 1050/2224] V4L/DVB (9232): cx23885: Move the MFE frontend
 allocation into the correct place

cx23885 frontend allocation code needs to exist in the higher function,
and it also needs to ensure videobug is also correctly initialised
on a per frontend basis. This code uses the previous num_frontends
patch to safely init each future MFE frontend on a single tsport as
as safely as possible - given that we don't have any of those boards.
Again, better to add all of this safety code now, while the MFE patch
set is fresh in everyone mind, than to try and add it 12-24 months from
now, when the subject is cold.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-dvb.c | 63 +++++++++++++++--------
 1 file changed, 41 insertions(+), 22 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index d779b8dd180..9dfc9600855 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -314,13 +314,6 @@ static int dvb_register(struct cx23885_tsport *port)
 	struct cx23885_i2c *i2c_bus = NULL;
 	struct videobuf_dvb_frontend *fe0;
 
-	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
-
-	if (videobuf_dvb_alloc_frontend(dev, &port->frontends, 1) == NULL) {
-		printk(KERN_ERR "%s() failed to alloc\n", __func__);
-		return -ENOMEM;
-	}
-
 	/* Get the first frontend */
 	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
 	if (!fe0)
@@ -560,26 +553,46 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 
 	struct videobuf_dvb_frontend *fe0;
 	struct cx23885_dev *dev = port->dev;
-	int err;
+	int err, i;
+
+	/* Here we need to allocate the correct number of frontends,
+	 * as reflected in the cards struct. The reality is that currrently
+	 * no cx23885 boards support this - yet. But, if we don't modify this
+	 * code then the second frontend would never be allocated (later)
+	 * and fail with error before the attach in dvb_register().
+	 * Without these changes we risk an OOPS later. The changes here
+	 * are for safety, and should provide a good foundation for the
+	 * future addition of any multi-frontend cx23885 based boards.
+	 */
+	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__,
+		port->num_frontends);
 
-	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
-	if (!fe0)
-		err = -EINVAL;
+	for (i = 1; i <= port->num_frontends; i++) {
+		if (videobuf_dvb_alloc_frontend(dev, &port->frontends, i) == NULL) {
+			printk(KERN_ERR "%s() failed to alloc\n", __func__);
+			return -ENOMEM;
+		}
+
+		fe0 = videobuf_dvb_get_frontend(&port->frontends, i);
+		if (!fe0)
+			err = -EINVAL;
 
-	dprintk(1, "%s\n", __func__);
-	dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
-		dev->board,
-		dev->name,
-		dev->pci_bus,
-		dev->pci_slot);
+		dprintk(1, "%s\n", __func__);
+		dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
+			dev->board,
+			dev->name,
+			dev->pci_bus,
+			dev->pci_slot);
 
-	err = -ENODEV;
+		err = -ENODEV;
 
-	/* dvb stuff */
-	printk("%s: cx23885 based dvb card\n", dev->name);
-	videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
+		/* dvb stuff */
+		/* We have to init the queue for each frontend on a port. */
+		printk("%s: cx23885 based dvb card\n", dev->name);
+		videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
 			    V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 			    sizeof(struct cx23885_buffer), port);
+	}
 	err = dvb_register(port);
 	if (err != 0)
 		printk("%s() dvb_register failed err = %d\n", __func__, err);
@@ -591,8 +604,14 @@ int cx23885_dvb_unregister(struct cx23885_tsport *port)
 {
 	struct videobuf_dvb_frontend *fe0;
 
+	/* FIXME: in an error condition where the we have
+	 * an expected number of frontends (attach problem)
+	 * then this might not clean up correctly, if 1
+	 * is invalid.
+	 * This comment only applies to future boards IF they
+	 * implement MFE support.
+	 */
 	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
-	/* dvb */
 	if(fe0->dvb.frontend)
 		videobuf_dvb_unregister_bus(&port->frontends);
 
-- 
GitLab


From d54c17e43514ecf0dceffbe13a324d4b6df5b6e0 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Tue, 14 Oct 2008 09:20:48 -0300
Subject: [PATCH 1051/2224] V4L/DVB (9234): zoran: Drop redundant printk

There's no point in logging two messages for the same error.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/zoran/zoran_driver.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c
index 25de7631443..db11ab9e60d 100644
--- a/drivers/media/video/zoran/zoran_driver.c
+++ b/drivers/media/video/zoran/zoran_driver.c
@@ -2996,7 +2996,6 @@ zoran_do_ioctl (struct inode *inode,
 			break;
 
 		default:
-			dprintk(3, "unsupported\n");
 			dprintk(1,
 				KERN_ERR
 				"%s: VIDIOC_S_FMT - unsupported type %d\n",
-- 
GitLab


From 74d7c5af78234467fed522c0f0ff47ef765cecb8 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 14 Oct 2008 12:46:59 -0300
Subject: [PATCH 1052/2224] V4L/DVB (9235): Precalculate vivi yuv values

This patch improves the color space conversion code in vivi.c to
directly draw with precalculated YUV values as palette instead of
drawing with YUV that is calculated from RGB for every two pixels.
This way we eliminate the need for 9 multiplications every two pixels.

A side effect of this patch is that the time counter is changed from
green text on black background to white text on black background.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/vivi.c | 117 ++++++++++++++++++-------------------
 1 file changed, 58 insertions(+), 59 deletions(-)

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 65c8af18e76..0d1ad7f63d0 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -190,6 +190,7 @@ struct vivi_fh {
 	struct videobuf_queue      vb_vidq;
 
 	enum v4l2_buf_type         type;
+	unsigned char              bars[8][3];
 };
 
 /* ------------------------------------------------------------------
@@ -234,13 +235,41 @@ static u8 bars[8][3] = {
 #define TSTAMP_MAX_Y TSTAMP_MIN_Y+15
 #define TSTAMP_MIN_X 64
 
-static void gen_line(char *basep, int inipos, int wmax,
+static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos)
+{
+	unsigned char r_y, g_u, b_v;
+	unsigned char *p;
+	int color;
+
+	r_y = fh->bars[colorpos][0]; /* R or precalculated Y */
+	g_u = fh->bars[colorpos][1]; /* G or precalculated U */
+	b_v = fh->bars[colorpos][2]; /* B or precalculated V */
+
+	for (color = 0; color < 4; color++) {
+		p = buf + color;
+
+		switch (color) {
+		case 0:
+		case 2:
+			*p = r_y;
+			break;
+		case 1:
+			*p = g_u;
+			break;
+		case 3:
+			*p = b_v;
+			break;
+		}
+	}
+}
+
+static void gen_line(struct vivi_fh *fh, char *basep, int inipos, int wmax,
 		int hmax, int line, int count, char *timestr)
 {
-	int  w, i, j, y;
+	int  w, i, j;
 	int pos = inipos;
-	char *p, *s;
-	u8   chr, r, g, b, color;
+	char *s;
+	u8 chr;
 
 	/* We will just duplicate the second pixel at the packet */
 	wmax /= 2;
@@ -248,27 +277,9 @@ static void gen_line(char *basep, int inipos, int wmax,
 	/* Generate a standard color bar pattern */
 	for (w = 0; w < wmax; w++) {
 		int colorpos = ((w + count) * 8/(wmax + 1)) % 8;
-		r = bars[colorpos][0];
-		g = bars[colorpos][1];
-		b = bars[colorpos][2];
-
-		for (color = 0; color < 4; color++) {
-			p = basep + pos;
-
-			switch (color) {
-			case 0:
-			case 2:
-				*p = TO_Y(r, g, b);	/* Luma */
-				break;
-			case 1:
-				*p = TO_U(r, g, b);	/* Cb */
-				break;
-			case 3:
-				*p = TO_V(r, g, b);	/* Cr */
-				break;
-			}
-			pos++;
-		}
+
+		gen_twopix(fh, basep + pos, colorpos);
+		pos += 4; /* only 16 bpp supported for now */
 	}
 
 	/* Checks if it is possible to show timestamp */
@@ -283,38 +294,12 @@ static void gen_line(char *basep, int inipos, int wmax,
 		for (s = timestr; *s; s++) {
 			chr = rom8x16_bits[(*s-0x30)*16+line-TSTAMP_MIN_Y];
 			for (i = 0; i < 7; i++) {
-				if (chr & 1 << (7 - i)) {
-					/* Font color*/
-					r = 0;
-					g = 198;
-					b = 0;
-				} else {
-					/* Background color */
-					r = bars[BLACK][0];
-					g = bars[BLACK][1];
-					b = bars[BLACK][2];
-				}
-
 				pos = inipos + j * 2;
-				for (color = 0; color < 4; color++) {
-					p = basep + pos;
-
-					y = TO_Y(r, g, b);
-
-					switch (color) {
-					case 0:
-					case 2:
-						*p = TO_Y(r, g, b); /* Luma */
-						break;
-					case 1:
-						*p = TO_U(r, g, b); /* Cb */
-						break;
-					case 3:
-						*p = TO_V(r, g, b); /* Cr */
-						break;
-					}
-					pos++;
-				}
+				/* Draw white font on black background */
+				if (chr & 1 << (7 - i))
+					gen_twopix(fh, basep + pos, WHITE);
+				else
+					gen_twopix(fh, basep + pos, BLACK);
 				j++;
 			}
 		}
@@ -324,8 +309,9 @@ end:
 	return;
 }
 
-static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
+static void vivi_fillbuff(struct vivi_fh *fh, struct vivi_buffer *buf)
 {
+	struct vivi_dev *dev = fh->dev;
 	int h , pos = 0;
 	int hmax  = buf->vb.height;
 	int wmax  = buf->vb.width;
@@ -341,7 +327,7 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
 		return;
 
 	for (h = 0; h < hmax; h++) {
-		gen_line(tmpbuf, 0, wmax, hmax, h, dev->mv_count,
+		gen_line(fh, tmpbuf, 0, wmax, hmax, h, dev->mv_count,
 			 dev->timestr);
 		memcpy(vbuf + pos, tmpbuf, wmax * 2);
 		pos += wmax*2;
@@ -410,7 +396,7 @@ static void vivi_thread_tick(struct vivi_fh *fh)
 	do_gettimeofday(&buf->vb.ts);
 
 	/* Fill buffer */
-	vivi_fillbuff(dev, buf);
+	vivi_fillbuff(fh, buf);
 	dprintk(dev, 1, "filled buffer %p\n", buf);
 
 	wake_up(&buf->vb.done);
@@ -714,6 +700,8 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 {
 	struct vivi_fh  *fh = priv;
 	struct videobuf_queue *q = &fh->vb_vidq;
+	unsigned char r, g, b;
+	int k;
 
 	int ret = vidioc_try_fmt_vid_cap(file, fh, f);
 	if (ret < 0)
@@ -733,6 +721,17 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 	fh->vb_vidq.field = f->fmt.pix.field;
 	fh->type          = f->type;
 
+	/* precalculate color bar values to speed up rendering */
+	for (k = 0; k < 8; k++) {
+		r = bars[k][0];
+		g = bars[k][1];
+		b = bars[k][2];
+
+		fh->bars[k][0] = TO_Y(r, g, b);	/* Luma */
+		fh->bars[k][1] = TO_U(r, g, b);	/* Cb */
+		fh->bars[k][2] = TO_V(r, g, b);	/* Cr */
+	}
+
 	ret = 0;
 out:
 	mutex_unlock(&q->vb_lock);
-- 
GitLab


From d891f475812bf849c2bb2b2ac60424f9fc8e1cc6 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 14 Oct 2008 12:47:09 -0300
Subject: [PATCH 1053/2224] V4L/DVB (9236): Teach vivi about multiple pixel
 formats

This patch contains the ground work to add support for multiple
pixel formats to vivi.c

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/vivi.c | 97 ++++++++++++++++++++++++++------------
 1 file changed, 67 insertions(+), 30 deletions(-)

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 0d1ad7f63d0..523f78c4847 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -128,12 +128,31 @@ struct vivi_fmt {
 	int   depth;
 };
 
-static struct vivi_fmt format = {
-	.name     = "4:2:2, packed, YUYV",
-	.fourcc   = V4L2_PIX_FMT_YUYV,
-	.depth    = 16,
+static struct vivi_fmt formats[] = {
+	{
+		.name     = "4:2:2, packed, YUYV",
+		.fourcc   = V4L2_PIX_FMT_YUYV,
+		.depth    = 16,
+	},
 };
 
+static struct vivi_fmt *get_format(struct v4l2_format *f)
+{
+	struct vivi_fmt *fmt;
+	unsigned int k;
+
+	for (k = 0; k < ARRAY_SIZE(formats); k++) {
+		fmt = &formats[k];
+		if (fmt->fourcc == f->fmt.pix.pixelformat)
+			break;
+	}
+
+	if (k == ARRAY_SIZE(formats))
+		return NULL;
+
+	return &formats[k];
+}
+
 struct sg_to_addr {
 	int pos;
 	struct scatterlist *sg;
@@ -248,16 +267,20 @@ static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos)
 	for (color = 0; color < 4; color++) {
 		p = buf + color;
 
-		switch (color) {
-		case 0:
-		case 2:
-			*p = r_y;
-			break;
-		case 1:
-			*p = g_u;
-			break;
-		case 3:
-			*p = b_v;
+		switch (fh->fmt->fourcc) {
+		case V4L2_PIX_FMT_YUYV:
+			switch (color) {
+			case 0:
+			case 2:
+				*p = r_y;
+				break;
+			case 1:
+				*p = g_u;
+				break;
+			case 3:
+				*p = b_v;
+				break;
+			}
 			break;
 		}
 	}
@@ -622,11 +645,15 @@ static int vidioc_querycap(struct file *file, void  *priv,
 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 					struct v4l2_fmtdesc *f)
 {
-	if (f->index > 0)
+	struct vivi_fmt *fmt;
+
+	if (f->index >= ARRAY_SIZE(formats))
 		return -EINVAL;
 
-	strlcpy(f->description, format.name, sizeof(f->description));
-	f->pixelformat = format.fourcc;
+	fmt = &formats[f->index];
+
+	strlcpy(f->description, fmt->name, sizeof(f->description));
+	f->pixelformat = fmt->fourcc;
 	return 0;
 }
 
@@ -656,13 +683,12 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 	enum v4l2_field field;
 	unsigned int maxw, maxh;
 
-	if (format.fourcc != f->fmt.pix.pixelformat) {
-		dprintk(dev, 1, "Fourcc format (0x%08x) invalid. "
-			"Driver accepts only 0x%08x\n",
-			f->fmt.pix.pixelformat, format.fourcc);
+	fmt = get_format(f);
+	if (!fmt) {
+		dprintk(dev, 1, "Fourcc format (0x%08x) invalid.\n",
+			f->fmt.pix.pixelformat);
 		return -EINVAL;
 	}
-	fmt = &format;
 
 	field = f->fmt.pix.field;
 
@@ -701,7 +727,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 	struct vivi_fh  *fh = priv;
 	struct videobuf_queue *q = &fh->vb_vidq;
 	unsigned char r, g, b;
-	int k;
+	int k, is_yuv;
 
 	int ret = vidioc_try_fmt_vid_cap(file, fh, f);
 	if (ret < 0)
@@ -715,7 +741,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 		goto out;
 	}
 
-	fh->fmt           = &format;
+	fh->fmt           = get_format(f);
 	fh->width         = f->fmt.pix.width;
 	fh->height        = f->fmt.pix.height;
 	fh->vb_vidq.field = f->fmt.pix.field;
@@ -726,10 +752,23 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 		r = bars[k][0];
 		g = bars[k][1];
 		b = bars[k][2];
+		is_yuv = 0;
 
-		fh->bars[k][0] = TO_Y(r, g, b);	/* Luma */
-		fh->bars[k][1] = TO_U(r, g, b);	/* Cb */
-		fh->bars[k][2] = TO_V(r, g, b);	/* Cr */
+		switch (fh->fmt->fourcc) {
+		case V4L2_PIX_FMT_YUYV:
+			is_yuv = 1;
+			break;
+		}
+
+		if (is_yuv) {
+			fh->bars[k][0] = TO_Y(r, g, b);	/* Luma */
+			fh->bars[k][1] = TO_U(r, g, b);	/* Cb */
+			fh->bars[k][2] = TO_V(r, g, b);	/* Cr */
+		} else {
+			fh->bars[k][0] = r;
+			fh->bars[k][1] = g;
+			fh->bars[k][2] = b;
+		}
 	}
 
 	ret = 0;
@@ -885,8 +924,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	File operations for the device
    ------------------------------------------------------------------*/
 
-#define line_buf_size(norm) (norm_maxw(norm)*(format.depth+7)/8)
-
 static int vivi_open(struct inode *inode, struct file *file)
 {
 	int minor = iminor(inode);
@@ -935,7 +972,7 @@ unlock:
 	fh->dev      = dev;
 
 	fh->type     = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	fh->fmt      = &format;
+	fh->fmt      = &formats[0];
 	fh->width    = 640;
 	fh->height   = 480;
 
-- 
GitLab


From fca36bab973303fec01b367a5be644495e8b958d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 14 Oct 2008 12:47:25 -0300
Subject: [PATCH 1054/2224] V4L/DVB (9237): Add uyvy pixel format support to
 vivi

This patch simply adds UYVY pixel format support to the vivi driver.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/vivi.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 523f78c4847..2a6ebc126c0 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -134,6 +134,11 @@ static struct vivi_fmt formats[] = {
 		.fourcc   = V4L2_PIX_FMT_YUYV,
 		.depth    = 16,
 	},
+	{
+		.name     = "4:2:2, packed, UYVY",
+		.fourcc   = V4L2_PIX_FMT_UYVY,
+		.depth    = 16,
+	},
 };
 
 static struct vivi_fmt *get_format(struct v4l2_format *f)
@@ -282,6 +287,20 @@ static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos)
 				break;
 			}
 			break;
+		case V4L2_PIX_FMT_UYVY:
+			switch (color) {
+			case 1:
+			case 3:
+				*p = r_y;
+				break;
+			case 0:
+				*p = g_u;
+				break;
+			case 2:
+				*p = b_v;
+				break;
+			}
+			break;
 		}
 	}
 }
@@ -756,6 +775,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 
 		switch (fh->fmt->fourcc) {
 		case V4L2_PIX_FMT_YUYV:
+		case V4L2_PIX_FMT_UYVY:
 			is_yuv = 1;
 			break;
 		}
-- 
GitLab


From aeadb5d4e590ed0d678ab0bb5fe068160a49e79d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 14 Oct 2008 12:47:35 -0300
Subject: [PATCH 1055/2224] V4L/DVB (9238): Add support for rgb565 pixel
 formats to vivi

This patch adds RGB565 pixel format support to the vivi driver. Both
little endian and big endian versions are added. The driver follows
the RGB pixel format described in Table 2-2 of the V4L2 API spec,
_not_ the older BGR interpretation described in Table 2-1.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/vivi.c | 40 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 2a6ebc126c0..2fddba6d5b3 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -139,6 +139,16 @@ static struct vivi_fmt formats[] = {
 		.fourcc   = V4L2_PIX_FMT_UYVY,
 		.depth    = 16,
 	},
+	{
+		.name     = "RGB565 (LE)",
+		.fourcc   = V4L2_PIX_FMT_RGB565, /* gggbbbbb rrrrrggg */
+		.depth    = 16,
+	},
+	{
+		.name     = "RGB565 (BE)",
+		.fourcc   = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
+		.depth    = 16,
+	},
 };
 
 static struct vivi_fmt *get_format(struct v4l2_format *f)
@@ -301,6 +311,30 @@ static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos)
 				break;
 			}
 			break;
+		case V4L2_PIX_FMT_RGB565:
+			switch (color) {
+			case 0:
+			case 2:
+				*p = (g_u << 5) | b_v;
+				break;
+			case 1:
+			case 3:
+				*p = (r_y << 3) | (g_u >> 3);
+				break;
+			}
+			break;
+		case V4L2_PIX_FMT_RGB565X:
+			switch (color) {
+			case 0:
+			case 2:
+				*p = (r_y << 3) | (g_u >> 3);
+				break;
+			case 1:
+			case 3:
+				*p = (g_u << 5) | b_v;
+				break;
+			}
+			break;
 		}
 	}
 }
@@ -778,6 +812,12 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 		case V4L2_PIX_FMT_UYVY:
 			is_yuv = 1;
 			break;
+		case V4L2_PIX_FMT_RGB565:
+		case V4L2_PIX_FMT_RGB565X:
+			r >>= 3;
+			g >>= 2;
+			b >>= 3;
+			break;
 		}
 
 		if (is_yuv) {
-- 
GitLab


From def52393205cbd22b0b4a59096db2a0dcc72cd0a Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 14 Oct 2008 12:47:43 -0300
Subject: [PATCH 1056/2224] V4L/DVB (9239): Add support for rgb555 pixel
 formats to vivi

This patch adds RGB555 pixel format support to the vivi driver. Both
little endian and big endian versions are added. The driver follows
the RGB pixel format described in Table 2-2 of the V4L2 API spec,
_not_ the older BGR interpretation described in Table 2-1.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/vivi.c | 40 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 2fddba6d5b3..7d7e51def46 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -149,6 +149,16 @@ static struct vivi_fmt formats[] = {
 		.fourcc   = V4L2_PIX_FMT_RGB565X, /* rrrrrggg gggbbbbb */
 		.depth    = 16,
 	},
+	{
+		.name     = "RGB555 (LE)",
+		.fourcc   = V4L2_PIX_FMT_RGB555, /* gggbbbbb arrrrrgg */
+		.depth    = 16,
+	},
+	{
+		.name     = "RGB555 (BE)",
+		.fourcc   = V4L2_PIX_FMT_RGB555X, /* arrrrrgg gggbbbbb */
+		.depth    = 16,
+	},
 };
 
 static struct vivi_fmt *get_format(struct v4l2_format *f)
@@ -335,6 +345,30 @@ static void gen_twopix(struct vivi_fh *fh, unsigned char *buf, int colorpos)
 				break;
 			}
 			break;
+		case V4L2_PIX_FMT_RGB555:
+			switch (color) {
+			case 0:
+			case 2:
+				*p = (g_u << 5) | b_v;
+				break;
+			case 1:
+			case 3:
+				*p = (r_y << 2) | (g_u >> 3);
+				break;
+			}
+			break;
+		case V4L2_PIX_FMT_RGB555X:
+			switch (color) {
+			case 0:
+			case 2:
+				*p = (r_y << 2) | (g_u >> 3);
+				break;
+			case 1:
+			case 3:
+				*p = (g_u << 5) | b_v;
+				break;
+			}
+			break;
 		}
 	}
 }
@@ -818,6 +852,12 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 			g >>= 2;
 			b >>= 3;
 			break;
+		case V4L2_PIX_FMT_RGB555:
+		case V4L2_PIX_FMT_RGB555X:
+			r >>= 3;
+			g >>= 3;
+			b >>= 3;
+			break;
 		}
 
 		if (is_yuv) {
-- 
GitLab


From 2a1d245b70f3f966f96767aaea1a2db6823e2f6e Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 15 Oct 2008 14:47:36 -0300
Subject: [PATCH 1057/2224] V4L/DVB (9240): saa7127: Fix two typos

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/saa7127.c | 2 +-
 include/linux/i2c-id.h        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c
index d0e83fe0ff5..cc02fb18efa 100644
--- a/drivers/media/video/saa7127.c
+++ b/drivers/media/video/saa7127.c
@@ -29,7 +29,7 @@
  * Note: the saa7126 is identical to the saa7127, and the saa7128 is
  * identical to the saa7129, except that the saa7126 and saa7128 have
  * macrovision anti-taping support. This driver will almost certainly
- * work find for those chips, except of course for the missing anti-taping
+ * work fine for those chips, except of course for the missing anti-taping
  * support.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index 493435bcdbe..01d67ba9e98 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -60,7 +60,7 @@
 #define I2C_DRIVERID_WM8775	69	/* wm8775 audio processor	*/
 #define I2C_DRIVERID_CS53L32A	70	/* cs53l32a audio processor	*/
 #define I2C_DRIVERID_CX25840	71	/* cx2584x video encoder	*/
-#define I2C_DRIVERID_SAA7127	72	/* saa7124 video encoder	*/
+#define I2C_DRIVERID_SAA7127	72	/* saa7127 video encoder	*/
 #define I2C_DRIVERID_SAA711X	73	/* saa711x video encoders	*/
 #define I2C_DRIVERID_AKITAIOEXP	74	/* IO Expander on Sharp SL-C1000 */
 #define I2C_DRIVERID_INFRARED	75	/* I2C InfraRed on Video boards */
-- 
GitLab


From 50c616fd0b43f50379aa70da96fd350312367367 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Thu, 16 Oct 2008 19:49:27 -0300
Subject: [PATCH 1058/2224] V4L/DVB (9241): soc-camera: move sensor power
 management to soc_camera_platform.c

Switching sensors on and off is now done by sensor drivers themselves,
typically using platform-provided hooks. Update soc_camera_platform.c to
do the same. Also remove a refundant struct soc_camera_platform_info
definition from soc_camera_platform.c.

Tested-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/soc_camera_platform.c | 20 +++++++++++---------
 include/media/soc_camera_platform.h       |  1 +
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/media/video/soc_camera_platform.c b/drivers/media/video/soc_camera_platform.c
index 1adc257ebdb..bb7a9d480e8 100644
--- a/drivers/media/video/soc_camera_platform.c
+++ b/drivers/media/video/soc_camera_platform.c
@@ -18,15 +18,7 @@
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
 #include <media/soc_camera.h>
-
-struct soc_camera_platform_info {
-	int iface;
-	char *format_name;
-	unsigned long format_depth;
-	struct v4l2_pix_format format;
-	unsigned long bus_param;
-	int (*set_capture)(struct soc_camera_platform_info *info, int enable);
-};
+#include <media/soc_camera_platform.h>
 
 struct soc_camera_platform_priv {
 	struct soc_camera_platform_info *info;
@@ -44,11 +36,21 @@ soc_camera_platform_get_info(struct soc_camera_device *icd)
 
 static int soc_camera_platform_init(struct soc_camera_device *icd)
 {
+	struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd);
+
+	if (p->power)
+		p->power(1);
+
 	return 0;
 }
 
 static int soc_camera_platform_release(struct soc_camera_device *icd)
 {
+	struct soc_camera_platform_info *p = soc_camera_platform_get_info(icd);
+
+	if (p->power)
+		p->power(0);
+
 	return 0;
 }
 
diff --git a/include/media/soc_camera_platform.h b/include/media/soc_camera_platform.h
index 851f1822098..7c81ad32b1e 100644
--- a/include/media/soc_camera_platform.h
+++ b/include/media/soc_camera_platform.h
@@ -9,6 +9,7 @@ struct soc_camera_platform_info {
 	unsigned long format_depth;
 	struct v4l2_pix_format format;
 	unsigned long bus_param;
+	void (*power)(int);
 	int (*set_capture)(struct soc_camera_platform_info *info, int enable);
 };
 
-- 
GitLab


From dd54203b485e79b558aa5a7262ee8ddb17d74c98 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 16 Oct 2008 19:50:22 -0300
Subject: [PATCH 1059/2224] V4L/DVB (9242): video: add sh_mobile_ceu comments

This patch adds CEU hardware block comments to the sh_mobile_ceu driver.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/sh_mobile_ceu_camera.c | 79 +++++++++++++---------
 1 file changed, 46 insertions(+), 33 deletions(-)

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 76838091dc6..7a7268c43dc 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -40,39 +40,39 @@
 
 /* register offsets for sh7722 / sh7723 */
 
-#define CAPSR  0x00
-#define CAPCR  0x04
-#define CAMCR  0x08
-#define CMCYR  0x0c
-#define CAMOR  0x10
-#define CAPWR  0x14
-#define CAIFR  0x18
-#define CSTCR  0x20 /* not on sh7723 */
-#define CSECR  0x24 /* not on sh7723 */
-#define CRCNTR 0x28
-#define CRCMPR 0x2c
-#define CFLCR  0x30
-#define CFSZR  0x34
-#define CDWDR  0x38
-#define CDAYR  0x3c
-#define CDACR  0x40
-#define CDBYR  0x44
-#define CDBCR  0x48
-#define CBDSR  0x4c
-#define CFWCR  0x5c
-#define CLFCR  0x60
-#define CDOCR  0x64
-#define CDDCR  0x68
-#define CDDAR  0x6c
-#define CEIER  0x70
-#define CETCR  0x74
-#define CSTSR  0x7c
-#define CSRTR  0x80
-#define CDSSR  0x84
-#define CDAYR2 0x90
-#define CDACR2 0x94
-#define CDBYR2 0x98
-#define CDBCR2 0x9c
+#define CAPSR  0x00 /* Capture start register */
+#define CAPCR  0x04 /* Capture control register */
+#define CAMCR  0x08 /* Capture interface control register */
+#define CMCYR  0x0c /* Capture interface cycle  register */
+#define CAMOR  0x10 /* Capture interface offset register */
+#define CAPWR  0x14 /* Capture interface width register */
+#define CAIFR  0x18 /* Capture interface input format register */
+#define CSTCR  0x20 /* Camera strobe control register (<= sh7722) */
+#define CSECR  0x24 /* Camera strobe emission count register (<= sh7722) */
+#define CRCNTR 0x28 /* CEU register control register */
+#define CRCMPR 0x2c /* CEU register forcible control register */
+#define CFLCR  0x30 /* Capture filter control register */
+#define CFSZR  0x34 /* Capture filter size clip register */
+#define CDWDR  0x38 /* Capture destination width register */
+#define CDAYR  0x3c /* Capture data address Y register */
+#define CDACR  0x40 /* Capture data address C register */
+#define CDBYR  0x44 /* Capture data bottom-field address Y register */
+#define CDBCR  0x48 /* Capture data bottom-field address C register */
+#define CBDSR  0x4c /* Capture bundle destination size register */
+#define CFWCR  0x5c /* Firewall operation control register */
+#define CLFCR  0x60 /* Capture low-pass filter control register */
+#define CDOCR  0x64 /* Capture data output control register */
+#define CDDCR  0x68 /* Capture data complexity level register */
+#define CDDAR  0x6c /* Capture data complexity level address register */
+#define CEIER  0x70 /* Capture event interrupt enable register */
+#define CETCR  0x74 /* Capture event flag clear register */
+#define CSTSR  0x7c /* Capture status register */
+#define CSRTR  0x80 /* Capture software reset register */
+#define CDSSR  0x84 /* Capture data size register */
+#define CDAYR2 0x90 /* Capture data address Y register 2 */
+#define CDACR2 0x94 /* Capture data address C register 2 */
+#define CDBYR2 0x98 /* Capture data bottom-field address Y register 2 */
+#define CDBCR2 0x9c /* Capture data bottom-field address C register 2 */
 
 static DEFINE_MUTEX(camera_lock);
 
@@ -391,6 +391,19 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
 	ceu_write(pcdev, CFLCR, 0); /* data fetch mode - no scaling */
 	ceu_write(pcdev, CFSZR, (icd->height << 16) | cfszr_width);
 	ceu_write(pcdev, CLFCR, 0); /* data fetch mode - no lowpass filter */
+
+	/* A few words about byte order (observed in Big Endian mode)
+	 *
+	 * In data fetch mode bytes are received in chunks of 8 bytes.
+	 * D0, D1, D2, D3, D4, D5, D6, D7 (D0 received first)
+	 *
+	 * The data is however by default written to memory in reverse order:
+	 * D7, D6, D5, D4, D3, D2, D1, D0 (D7 written to lowest byte)
+	 *
+	 * The lowest three bits of CDOCR allows us to do swapping,
+	 * right now we swap the data bytes to the following order:
+	 * D1, D0, D3, D2, D5, D4, D7, D6
+	 */
 	ceu_write(pcdev, CDOCR, 0x00000016);
 
 	ceu_write(pcdev, CDWDR, cdwdr_width);
-- 
GitLab


From 2c0a072e3efc17c27566c28028f4b46f79c1f0ca Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 16 Oct 2008 19:50:56 -0300
Subject: [PATCH 1060/2224] V4L/DVB (9243): video: add byte swap to
 sh_mobile_ceu driver

Extend the sh_mobile_ceu driver to enable byte swap. This way bytes
are stored in memory in incoming byte order.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/sh_mobile_ceu_camera.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 7a7268c43dc..fa88d382d5b 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -401,10 +401,10 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
 	 * D7, D6, D5, D4, D3, D2, D1, D0 (D7 written to lowest byte)
 	 *
 	 * The lowest three bits of CDOCR allows us to do swapping,
-	 * right now we swap the data bytes to the following order:
-	 * D1, D0, D3, D2, D5, D4, D7, D6
+	 * using 7 we swap the data bytes to match the incoming order:
+	 * D0, D1, D2, D3, D4, D5, D6, D7
 	 */
-	ceu_write(pcdev, CDOCR, 0x00000016);
+	ceu_write(pcdev, CDOCR, 0x00000017);
 
 	ceu_write(pcdev, CDWDR, cdwdr_width);
 	ceu_write(pcdev, CFWCR, 0); /* keep "datafetch firewall" disabled */
-- 
GitLab


From 51354cc3e0c233803505ac8842c3683f42ff42bb Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 16 Oct 2008 19:51:20 -0300
Subject: [PATCH 1061/2224] V4L/DVB (9244): video: improve sh_mobile_ceu buffer
 handling

This patch improves the buffer handling in the sh_mobile_ceu driver.

Instead of marking all queued buffers as VIDEOBUF_ACTIVE the code now
marks queued-but-not-active buffers as VIDEOBUF_QUEUED and buffers
involved in dma as VIDEOBUF_ACTIVE. The code is also updated with
code to cancel active buffers, thanks to Morimoto-san.

Tested-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/sh_mobile_ceu_camera.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index fa88d382d5b..2407607f2ef 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -165,6 +165,7 @@ static void sh_mobile_ceu_capture(struct sh_mobile_ceu_dev *pcdev)
 	ceu_write(pcdev, CETCR, 0x0317f313 ^ 0x10);
 
 	if (pcdev->active) {
+		pcdev->active->state = VIDEOBUF_ACTIVE;
 		ceu_write(pcdev, CDAYR, videobuf_to_dma_contig(pcdev->active));
 		ceu_write(pcdev, CAPSR, 0x1); /* start capture */
 	}
@@ -236,7 +237,7 @@ static void sh_mobile_ceu_videobuf_queue(struct videobuf_queue *vq,
 	dev_dbg(&icd->dev, "%s (vb=0x%p) 0x%08lx %zd\n", __func__,
 		vb, vb->baddr, vb->bsize);
 
-	vb->state = VIDEOBUF_ACTIVE;
+	vb->state = VIDEOBUF_QUEUED;
 	spin_lock_irqsave(&pcdev->lock, flags);
 	list_add_tail(&vb->queue, &pcdev->capture);
 
@@ -323,12 +324,24 @@ static void sh_mobile_ceu_remove_device(struct soc_camera_device *icd)
 {
 	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
 	struct sh_mobile_ceu_dev *pcdev = ici->priv;
+	unsigned long flags;
 
 	BUG_ON(icd != pcdev->icd);
 
 	/* disable capture, disable interrupts */
 	ceu_write(pcdev, CEIER, 0);
 	ceu_write(pcdev, CAPSR, 1 << 16); /* reset */
+
+	/* make sure active buffer is canceled */
+	spin_lock_irqsave(&pcdev->lock, flags);
+	if (pcdev->active) {
+		list_del(&pcdev->active->queue);
+		pcdev->active->state = VIDEOBUF_ERROR;
+		wake_up_all(&pcdev->active->done);
+		pcdev->active = NULL;
+	}
+	spin_unlock_irqrestore(&pcdev->lock, flags);
+
 	icd->ops->release(icd);
 
 	dev_info(&icd->dev,
-- 
GitLab


From 073afdd793243fff9f342c2606b9864052e9e3e5 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 16 Oct 2008 19:51:47 -0300
Subject: [PATCH 1062/2224] V4L/DVB (9245): video: add header to
 soc_camera_platform include file

Update the soc_camera_platform header with licensing information.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/media/soc_camera_platform.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/media/soc_camera_platform.h b/include/media/soc_camera_platform.h
index 7c81ad32b1e..1d092b4678a 100644
--- a/include/media/soc_camera_platform.h
+++ b/include/media/soc_camera_platform.h
@@ -1,3 +1,13 @@
+/*
+ * Generic Platform Camera Driver Header
+ *
+ * Copyright (C) 2008 Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
 #ifndef __SOC_CAMERA_H__
 #define __SOC_CAMERA_H__
 
-- 
GitLab


From a636da6bab3307fc8c6e6a22a63b0b25ba0687be Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Wed, 15 Oct 2008 17:00:31 -0300
Subject: [PATCH 1063/2224] V4L/DVB (9247): au0828: add support for another USB
 id for Hauppauge HVR950Q

Add autodetection support for a new revision of the Hauppauge HVR950Q (2040:721e)

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 Documentation/video4linux/CARDLIST.au0828 | 2 +-
 drivers/media/video/au0828/au0828-cards.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/video4linux/CARDLIST.au0828 b/Documentation/video4linux/CARDLIST.au0828
index aa05e5bb22f..d5cb4ea287b 100644
--- a/Documentation/video4linux/CARDLIST.au0828
+++ b/Documentation/video4linux/CARDLIST.au0828
@@ -1,5 +1,5 @@
   0 -> Unknown board                            (au0828)
-  1 -> Hauppauge HVR950Q                        (au0828)        [2040:7200,2040:7210,2040:7217,2040:721b,2040:721f,2040:7280,0fd9:0008]
+  1 -> Hauppauge HVR950Q                        (au0828)        [2040:7200,2040:7210,2040:7217,2040:721b,2040:721e,2040:721f,2040:7280,0fd9:0008]
   2 -> Hauppauge HVR850                         (au0828)        [2040:7240]
   3 -> DViCO FusionHDTV USB                     (au0828)        [0fe9:d620]
   4 -> Hauppauge HVR950Q rev xxF8               (au0828)        [2040:7201,2040:7211,2040:7281]
diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
index 5f07a8a072b..66e0edd5861 100644
--- a/drivers/media/video/au0828/au0828-cards.c
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -90,6 +90,7 @@ static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
 	case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and basic analog video */
 	case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and basic analog video */
 	case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and basic analog video */
+	case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and basic analog video */
 	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and basic analog video */
 	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
 		break;
@@ -198,6 +199,8 @@ struct usb_device_id au0828_usb_id_table [] = {
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x721b),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
+	{ USB_DEVICE(0x2040, 0x721e),
+		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x721f),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7280),
-- 
GitLab


From 3dfbe31f09fb1da5f17437fd384cdfb6114765d9 Mon Sep 17 00:00:00 2001
From: Michael Krufky <mkrufky@linuxtv.org>
Date: Wed, 15 Oct 2008 17:05:34 -0300
Subject: [PATCH 1064/2224] V4L/DVB (9248): sms1xxx: support two new revisions
 of the Hauppauge WinTV MiniStick

Autodetect 2040:5520 and 2040:5530 as Hauppauge WinTV MiniStick

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/siano/sms-cards.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/media/dvb/siano/sms-cards.c b/drivers/media/dvb/siano/sms-cards.c
index 9da260fe3fd..6f9b7736044 100644
--- a/drivers/media/dvb/siano/sms-cards.c
+++ b/drivers/media/dvb/siano/sms-cards.c
@@ -42,6 +42,10 @@ struct usb_device_id smsusb_id_table[] = {
 		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
 	{ USB_DEVICE(0x2040, 0x5510),
 		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0x5520),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0x5530),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
 	{ USB_DEVICE(0x2040, 0x5580),
 		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
 	{ USB_DEVICE(0x2040, 0x5590),
-- 
GitLab


From 2af03eeadf460656642c2553c783537e7ad02875 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:17:31 -0300
Subject: [PATCH 1065/2224] V4L/DVB (9250): cx88: Convert __FUNCTION__ to
 __func__

cx88: Convert __FUNCTION__ to __func__

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-dvb.c  | 24 ++++++++++++------------
 drivers/media/video/cx88/cx88-mpeg.c |  6 +++---
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 0dd0ff9227f..d13bd140dc7 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -120,7 +120,7 @@ static int cx88_dvb_bus_ctrl(struct dvb_frontend* fe, int acquire)
 
 	fe_id = videobuf_dvb_find_frontend(&dev->frontends, fe);
 	if (!fe_id) {
-		printk(KERN_ERR "%s() No frontend found\n", __FUNCTION__);
+		printk(KERN_ERR "%s() No frontend found\n", __func__);
 		return -EINVAL;
 	}
 
@@ -655,10 +655,10 @@ static int dvb_register(struct cx8802_dev *dev)
 		if (fe0->dvb.frontend) {
 			if (!dvb_attach(isl6421_attach, fe0->dvb.frontend,
 			&dev->core->i2c_adap, 0x08, ISL6421_DCL, 0x00)) {
-				dprintk( 1, "%s(): HVR3000 - DVB-S LNB Init: failed\n", __FUNCTION__);
+				dprintk( 1, "%s(): HVR3000 - DVB-S LNB Init: failed\n", __func__);
 			}
 		} else {
-			dprintk( 1, "%s(): HVR3000 - DVB-S Init: failed\n", __FUNCTION__);
+			dprintk( 1, "%s(): HVR3000 - DVB-S Init: failed\n", __func__);
 		}
 		/* DVB-T init */
 		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
@@ -673,13 +673,13 @@ static int dvb_register(struct cx8802_dev *dev)
 				if(!dvb_attach(simple_tuner_attach, fe1->dvb.frontend,
 						&dev->core->i2c_adap, 0x61,
 						TUNER_PHILIPS_FMD1216ME_MK3)) {
-					dprintk( 1, "%s(): HVR3000 - DVB-T misc Init: failed\n", __FUNCTION__);
+					dprintk( 1, "%s(): HVR3000 - DVB-T misc Init: failed\n", __func__);
 				}
 			} else {
-				dprintk( 1, "%s(): HVR3000 - DVB-T Init: failed\n", __FUNCTION__);
+				dprintk( 1, "%s(): HVR3000 - DVB-T Init: failed\n", __func__);
 			}
 		} else {
-			dprintk( 1, "%s(): HVR3000 - DVB-T Init: can't find frontend 2.\n", __FUNCTION__);
+			dprintk( 1, "%s(): HVR3000 - DVB-T Init: can't find frontend 2.\n", __func__);
 		}
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
@@ -1000,10 +1000,10 @@ static int dvb_register(struct cx8802_dev *dev)
 		if (fe0->dvb.frontend) {
 			if(!dvb_attach(isl6421_attach, fe0->dvb.frontend,
 				&dev->core->i2c_adap, 0x08, ISL6421_DCL, 0x00)) {
-				dprintk( 1, "%s(): HVR4000 - DVB-S LNB Init: failed\n", __FUNCTION__);
+				dprintk( 1, "%s(): HVR4000 - DVB-S LNB Init: failed\n", __func__);
 			}
 		} else {
-			dprintk( 1, "%s(): HVR4000 - DVB-S Init: failed\n", __FUNCTION__);
+			dprintk( 1, "%s(): HVR4000 - DVB-S Init: failed\n", __func__);
 		}
 		/* DVB-T Init */
 		fe1 = videobuf_dvb_get_frontend(&dev->frontends, 2);
@@ -1018,13 +1018,13 @@ static int dvb_register(struct cx8802_dev *dev)
 				if(!dvb_attach(simple_tuner_attach, fe1->dvb.frontend,
 					&dev->core->i2c_adap, 0x61,
 					TUNER_PHILIPS_FMD1216ME_MK3)) {
-					dprintk( 1, "%s(): HVR4000 - DVB-T misc Init: failed\n", __FUNCTION__);
+					dprintk( 1, "%s(): HVR4000 - DVB-T misc Init: failed\n", __func__);
 				}
 			} else {
-				dprintk( 1, "%s(): HVR4000 - DVB-T Init: failed\n", __FUNCTION__);
+				dprintk( 1, "%s(): HVR4000 - DVB-T Init: failed\n", __func__);
 			}
 		} else {
-			dprintk( 1, "%s(): HVR4000 - DVB-T Init: can't find frontend 2.\n", __FUNCTION__);
+			dprintk( 1, "%s(): HVR4000 - DVB-T Init: can't find frontend 2.\n", __func__);
 		}
 		break;
 	case CX88_BOARD_HAUPPAUGE_HVR4000LITE:
@@ -1224,7 +1224,7 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv)
 	for (i = 1; i <= core->board.num_frontends; i++) {
 		fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i);
 		if (!fe) {
-			printk(KERN_ERR "%s() failed to get frontend(%d)\n", __FUNCTION__, i);
+			printk(KERN_ERR "%s() failed to get frontend(%d)\n", __func__, i);
 			continue;
 		}
 		videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops,
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index 22c2a88fbf1..1d8c8dd3006 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -783,7 +783,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 		goto fail_core;
 
 	if (!core->board.num_frontends) {
-		printk(KERN_ERR "%s() .num_frontends should be non-zero, err = %d\n", __FUNCTION__, err);
+		printk(KERN_ERR "%s() .num_frontends should be non-zero, err = %d\n", __func__, err);
 		goto fail_core;
 	}
 
@@ -804,12 +804,12 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	mutex_init(&dev->frontends.lock);
 	INIT_LIST_HEAD(&dev->frontends.frontend.felist);
 
-	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __FUNCTION__, core->board.num_frontends);
+	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends);
 
 	for (i = 1; i <= core->board.num_frontends; i++) {
 		demod = videobuf_dvb_alloc_frontend(dev, &dev->frontends, i);
 		if(demod == NULL) {
-			printk(KERN_ERR "%s() failed to alloc\n", __FUNCTION__);
+			printk(KERN_ERR "%s() failed to alloc\n", __func__);
 			err = -ENOMEM;
 			goto fail_free;
 		}
-- 
GitLab


From 9c8ced511e154faf1a7af3f1abdfff45dccbe54a Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:18:44 -0300
Subject: [PATCH 1066/2224] V4L/DVB (9251): cx23885: Checkpatch compliance

cx23885: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-cards.c | 152 ++++++-----
 drivers/media/video/cx23885/cx23885-core.c  | 267 +++++++++++---------
 drivers/media/video/cx23885/cx23885-dvb.c   |  36 +--
 drivers/media/video/cx23885/cx23885-i2c.c   |  47 ++--
 drivers/media/video/cx23885/cx23885-video.c |  25 +-
 drivers/media/video/cx23885/cx23885.h       |  21 +-
 6 files changed, 297 insertions(+), 251 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index 2cda15f829f..dac5ccc9ba7 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -39,16 +39,16 @@ struct cx23885_board cx23885_boards[] = {
 		.input          = {{
 			.type   = CX23885_VMUX_COMPOSITE1,
 			.vmux   = 0,
-		},{
+		}, {
 			.type   = CX23885_VMUX_COMPOSITE2,
 			.vmux   = 1,
-		},{
+		}, {
 			.type   = CX23885_VMUX_COMPOSITE3,
 			.vmux   = 2,
-		},{
+		}, {
 			.type   = CX23885_VMUX_COMPOSITE4,
 			.vmux   = 3,
-		}},
+		} },
 	},
 	[CX23885_BOARD_HAUPPAUGE_HVR1800lp] = {
 		.name		= "Hauppauge WinTV-HVR1800lp",
@@ -57,19 +57,19 @@ struct cx23885_board cx23885_boards[] = {
 			.type   = CX23885_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0  = 0xff00,
-		},{
+		}, {
 			.type   = CX23885_VMUX_DEBUG,
 			.vmux   = 0,
 			.gpio0  = 0xff01,
-		},{
+		}, {
 			.type   = CX23885_VMUX_COMPOSITE1,
 			.vmux   = 1,
 			.gpio0  = 0xff02,
-		},{
+		}, {
 			.type   = CX23885_VMUX_SVIDEO,
 			.vmux   = 2,
 			.gpio0  = 0xff02,
-		}},
+		} },
 	},
 	[CX23885_BOARD_HAUPPAUGE_HVR1800] = {
 		.name		= "Hauppauge WinTV-HVR1800",
@@ -84,20 +84,20 @@ struct cx23885_board cx23885_boards[] = {
 					CX25840_VIN5_CH2 |
 					CX25840_VIN2_CH1,
 			.gpio0  = 0,
-		},{
+		}, {
 			.type   = CX23885_VMUX_COMPOSITE1,
 			.vmux   =	CX25840_VIN7_CH3 |
 					CX25840_VIN4_CH2 |
 					CX25840_VIN6_CH1,
 			.gpio0  = 0,
-		},{
+		}, {
 			.type   = CX23885_VMUX_SVIDEO,
 			.vmux   =	CX25840_VIN7_CH3 |
 					CX25840_VIN4_CH2 |
 					CX25840_VIN8_CH1 |
 					CX25840_SVIDEO_ON,
 			.gpio0  = 0,
-		}},
+		} },
 	},
 	[CX23885_BOARD_HAUPPAUGE_HVR1250] = {
 		.name		= "Hauppauge WinTV-HVR1250",
@@ -106,19 +106,19 @@ struct cx23885_board cx23885_boards[] = {
 			.type   = CX23885_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0  = 0xff00,
-		},{
+		}, {
 			.type   = CX23885_VMUX_DEBUG,
 			.vmux   = 0,
 			.gpio0  = 0xff01,
-		},{
+		}, {
 			.type   = CX23885_VMUX_COMPOSITE1,
 			.vmux   = 1,
 			.gpio0  = 0xff02,
-		},{
+		}, {
 			.type   = CX23885_VMUX_SVIDEO,
 			.vmux   = 2,
 			.gpio0  = 0xff02,
-		}},
+		} },
 	},
 	[CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP] = {
 		.name		= "DViCO FusionHDTV5 Express",
@@ -169,43 +169,43 @@ struct cx23885_subid cx23885_subids[] = {
 		.subvendor = 0x0070,
 		.subdevice = 0x3400,
 		.card      = CX23885_BOARD_UNKNOWN,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7600,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800lp,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7800,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7801,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7809,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1800,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7911,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1250,
-	},{
+	}, {
 		.subvendor = 0x18ac,
 		.subdevice = 0xd500,
 		.card      = CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7790,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1500Q,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7797,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1500Q,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7710,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1500,
-	},{
+	}, {
 		.subvendor = 0x0070,
 		.subdevice = 0x7717,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1500,
@@ -225,11 +225,11 @@ struct cx23885_subid cx23885_subids[] = {
 		.subvendor = 0x0070,
 		.subdevice = 0x8010,
 		.card      = CX23885_BOARD_HAUPPAUGE_HVR1400,
-	},{
+	}, {
 		.subvendor = 0x18ac,
 		.subdevice = 0xd618,
 		.card      = CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP,
-	},{
+	}, {
 		.subvendor = 0x18ac,
 		.subdevice = 0xdb78,
 		.card      = CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP,
@@ -247,23 +247,25 @@ void cx23885_card_list(struct cx23885_dev *dev)
 
 	if (0 == dev->pci->subsystem_vendor &&
 	    0 == dev->pci->subsystem_device) {
-		printk("%s: Your board has no valid PCIe Subsystem ID and thus can't\n"
-		       "%s: be autodetected.  Please pass card=<n> insmod option to\n"
-		       "%s: workaround that.  Redirect complaints to the vendor of\n"
-		       "%s: the TV card.  Best regards,\n"
+		printk(KERN_INFO
+			"%s: Board has no valid PCIe Subsystem ID and can't\n"
+		       "%s: be autodetected. Pass card=<n> insmod option\n"
+		       "%s: to workaround that. Redirect complaints to the\n"
+		       "%s: vendor of the TV card.  Best regards,\n"
 		       "%s:         -- tux\n",
 		       dev->name, dev->name, dev->name, dev->name, dev->name);
 	} else {
-		printk("%s: Your board isn't known (yet) to the driver.  You can\n"
-		       "%s: try to pick one of the existing card configs via\n"
+		printk(KERN_INFO
+			"%s: Your board isn't known (yet) to the driver.\n"
+		       "%s: Try to pick one of the existing card configs via\n"
 		       "%s: card=<n> insmod option.  Updating to the latest\n"
 		       "%s: version might help as well.\n",
 		       dev->name, dev->name, dev->name, dev->name);
 	}
-	printk("%s: Here is a list of valid choices for the card=<n> insmod option:\n",
+	printk(KERN_INFO "%s: Here is a list of valid choices for the card=<n> insmod option:\n",
 	       dev->name);
 	for (i = 0; i < cx23885_bcount; i++)
-		printk("%s:    card=%d -> %s\n",
+		printk(KERN_INFO "%s:    card=%d -> %s\n",
 		       dev->name, i, cx23885_boards[i].name);
 }
 
@@ -271,11 +273,11 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
 {
 	struct tveeprom tv;
 
-	tveeprom_hauppauge_analog(&dev->i2c_bus[0].i2c_client, &tv, eeprom_data);
+	tveeprom_hauppauge_analog(&dev->i2c_bus[0].i2c_client, &tv,
+		eeprom_data);
 
 	/* Make sure we support the board model */
-	switch (tv.model)
-	{
+	switch (tv.model) {
 	case 71009:
 		/* WinTV-HVR1200 (PCIe, Retail, full height)
 		 * DVB-T and basic analog */
@@ -303,21 +305,51 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
 	case 71999:
 		/* WinTV-HVR1200 (PCIe, OEM, full height)
 		 * DVB-T and basic analog */
-	case 76601: /* WinTV-HVR1800lp (PCIe, Retail, No IR, Dual channel ATSC and MPEG2 HW Encoder */
-	case 77001: /* WinTV-HVR1500 (Express Card, OEM, No IR, ATSC and Basic analog */
-	case 77011: /* WinTV-HVR1500 (Express Card, Retail, No IR, ATSC and Basic analog */
-	case 77041: /* WinTV-HVR1500Q (Express Card, OEM, No IR, ATSC/QAM and Basic analog */
-	case 77051: /* WinTV-HVR1500Q (Express Card, Retail, No IR, ATSC/QAM and Basic analog */
-	case 78011: /* WinTV-HVR1800 (PCIe, Retail, 3.5mm in, IR, No FM, Dual channel ATSC and MPEG2 HW Encoder */
-	case 78501: /* WinTV-HVR1800 (PCIe, OEM, RCA in, No IR, FM, Dual channel ATSC and MPEG2 HW Encoder */
-	case 78521: /* WinTV-HVR1800 (PCIe, OEM, RCA in, No IR, FM, Dual channel ATSC and MPEG2 HW Encoder */
-	case 78531: /* WinTV-HVR1800 (PCIe, OEM, RCA in, No IR, No FM, Dual channel ATSC and MPEG2 HW Encoder */
-	case 78631: /* WinTV-HVR1800 (PCIe, OEM, No IR, No FM, Dual channel ATSC and MPEG2 HW Encoder */
-	case 79001: /* WinTV-HVR1250 (PCIe, Retail, IR, full height, ATSC and Basic analog */
-	case 79101: /* WinTV-HVR1250 (PCIe, Retail, IR, half height, ATSC and Basic analog */
-	case 79561: /* WinTV-HVR1250 (PCIe, OEM, No IR, half height, ATSC and Basic analog */
-	case 79571: /* WinTV-HVR1250 (PCIe, OEM, No IR, full height, ATSC and Basic analog */
-	case 79671: /* WinTV-HVR1250 (PCIe, OEM, No IR, half height, ATSC and Basic analog */
+	case 76601:
+		/* WinTV-HVR1800lp (PCIe, Retail, No IR, Dual
+			channel ATSC and MPEG2 HW Encoder */
+	case 77001:
+		/* WinTV-HVR1500 (Express Card, OEM, No IR, ATSC
+			and Basic analog */
+	case 77011:
+		/* WinTV-HVR1500 (Express Card, Retail, No IR, ATSC
+			and Basic analog */
+	case 77041:
+		/* WinTV-HVR1500Q (Express Card, OEM, No IR, ATSC/QAM
+			and Basic analog */
+	case 77051:
+		/* WinTV-HVR1500Q (Express Card, Retail, No IR, ATSC/QAM
+			and Basic analog */
+	case 78011:
+		/* WinTV-HVR1800 (PCIe, Retail, 3.5mm in, IR, No FM,
+			Dual channel ATSC and MPEG2 HW Encoder */
+	case 78501:
+		/* WinTV-HVR1800 (PCIe, OEM, RCA in, No IR, FM,
+			Dual channel ATSC and MPEG2 HW Encoder */
+	case 78521:
+		/* WinTV-HVR1800 (PCIe, OEM, RCA in, No IR, FM,
+			Dual channel ATSC and MPEG2 HW Encoder */
+	case 78531:
+		/* WinTV-HVR1800 (PCIe, OEM, RCA in, No IR, No FM,
+			Dual channel ATSC and MPEG2 HW Encoder */
+	case 78631:
+		/* WinTV-HVR1800 (PCIe, OEM, No IR, No FM,
+			Dual channel ATSC and MPEG2 HW Encoder */
+	case 79001:
+		/* WinTV-HVR1250 (PCIe, Retail, IR, full height,
+			ATSC and Basic analog */
+	case 79101:
+		/* WinTV-HVR1250 (PCIe, Retail, IR, half height,
+			ATSC and Basic analog */
+	case 79561:
+		/* WinTV-HVR1250 (PCIe, OEM, No IR, half height,
+			ATSC and Basic analog */
+	case 79571:
+		/* WinTV-HVR1250 (PCIe, OEM, No IR, full height,
+		 ATSC and Basic analog */
+	case 79671:
+		/* WinTV-HVR1250 (PCIe, OEM, No IR, half height,
+			ATSC and Basic analog */
 	case 80019:
 		/* WinTV-HVR1400 (Express Card, Retail, IR,
 		 * DVB-T and Basic analog */
@@ -329,7 +361,8 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
 		 * DVB-T and MPEG2 HW Encoder */
 		break;
 	default:
-		printk("%s: warning: unknown hauppauge model #%d\n", dev->name, tv.model);
+		printk(KERN_WARNING "%s: warning: unknown hauppauge model #%d\n",
+			dev->name, tv.model);
 		break;
 	}
 
@@ -352,7 +385,7 @@ int cx23885_tuner_callback(void *priv, int component, int command, int arg)
 		return -EINVAL;
 	}
 
-	switch(dev->board) {
+	switch (dev->board) {
 	case CX23885_BOARD_HAUPPAUGE_HVR1400:
 	case CX23885_BOARD_HAUPPAUGE_HVR1500:
 	case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
@@ -383,7 +416,7 @@ int cx23885_tuner_callback(void *priv, int component, int command, int arg)
 
 void cx23885_gpio_setup(struct cx23885_dev *dev)
 {
-	switch(dev->board) {
+	switch (dev->board) {
 	case CX23885_BOARD_HAUPPAUGE_HVR1250:
 		/* GPIO-0 cx24227 demodulator reset */
 		cx_set(GP0_IO, 0x00010001); /* Bring the part out of reset */
@@ -617,10 +650,3 @@ void cx23885_card_setup(struct cx23885_dev *dev)
 }
 
 /* ------------------------------------------------------------------ */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
- */
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 0979ba62e33..110e2ed2061 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -37,12 +37,12 @@ MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
 MODULE_LICENSE("GPL");
 
 static unsigned int debug;
-module_param(debug,int,0644);
-MODULE_PARM_DESC(debug,"enable debug messages");
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
 
 static unsigned int card[]  = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
 module_param_array(card,  int, NULL, 0444);
-MODULE_PARM_DESC(card,"card type");
+MODULE_PARM_DESC(card, "card type");
 
 #define dprintk(level, fmt, arg...)\
 	do { if (debug >= level)\
@@ -364,13 +364,12 @@ void cx23885_wakeup(struct cx23885_tsport *port,
 		list_del(&buf->vb.queue);
 		wake_up(&buf->vb.done);
 	}
-	if (list_empty(&q->active)) {
+	if (list_empty(&q->active))
 		del_timer(&q->timeout);
-	} else {
+	else
 		mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
-	}
 	if (bc != 1)
-		printk("%s: %d buffers handled (should be 1)\n",
+		printk(KERN_WARNING "%s: %d buffers handled (should be 1)\n",
 		       __func__, bc);
 }
 
@@ -381,8 +380,7 @@ int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 	unsigned int i, lines;
 	u32 cdt;
 
-	if (ch->cmds_start == 0)
-	{
+	if (ch->cmds_start == 0) {
 		dprintk(1, "%s() Erasing channel [%s]\n", __func__,
 			ch->name);
 		cx_write(ch->ptr1_reg, 0);
@@ -418,15 +416,15 @@ int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 
 	/* write CMDS */
 	if (ch->jumponly)
-		cx_write(ch->cmds_start +  0, 8);
+		cx_write(ch->cmds_start + 0, 8);
 	else
-		cx_write(ch->cmds_start +  0, risc);
+		cx_write(ch->cmds_start + 0, risc);
 	cx_write(ch->cmds_start +  4, 0); /* 64 bits 63-32 */
 	cx_write(ch->cmds_start +  8, cdt);
 	cx_write(ch->cmds_start + 12, (lines*16) >> 3);
 	cx_write(ch->cmds_start + 16, ch->ctrl_start);
 	if (ch->jumponly)
-		cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2) );
+		cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2));
 	else
 		cx_write(ch->cmds_start + 20, 64 >> 2);
 	for (i = 24; i < 80; i += 4)
@@ -436,9 +434,9 @@ int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 	cx_write(ch->ptr1_reg, ch->fifo_start);
 	cx_write(ch->ptr2_reg, cdt);
 	cx_write(ch->cnt2_reg, (lines*16) >> 3);
-	cx_write(ch->cnt1_reg, (bpl >> 3) -1);
+	cx_write(ch->cnt1_reg, (bpl >> 3) - 1);
 
-	dprintk(2,"[bridge %d] sram setup %s: bpl=%d lines=%d\n",
+	dprintk(2, "[bridge %d] sram setup %s: bpl=%d lines=%d\n",
 		dev->bridge,
 		ch->name,
 		bpl,
@@ -469,43 +467,43 @@ void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 	u32 risc;
 	unsigned int i, j, n;
 
-	printk("%s: %s - dma channel status dump\n",
+	printk(KERN_WARNING "%s: %s - dma channel status dump\n",
 	       dev->name, ch->name);
 	for (i = 0; i < ARRAY_SIZE(name); i++)
-		printk("%s:   cmds: %-15s: 0x%08x\n",
+		printk(KERN_WARNING "%s:   cmds: %-15s: 0x%08x\n",
 		       dev->name, name[i],
 		       cx_read(ch->cmds_start + 4*i));
 
 	for (i = 0; i < 4; i++) {
 		risc = cx_read(ch->cmds_start + 4 * (i + 14));
-		printk("%s:   risc%d: ", dev->name, i);
+		printk(KERN_WARNING "%s:   risc%d: ", dev->name, i);
 		cx23885_risc_decode(risc);
 	}
 	for (i = 0; i < (64 >> 2); i += n) {
 		risc = cx_read(ch->ctrl_start + 4 * i);
 		/* No consideration for bits 63-32 */
 
-		printk("%s:   (0x%08x) iq %x: ", dev->name,
+		printk(KERN_WARNING "%s:   (0x%08x) iq %x: ", dev->name,
 		       ch->ctrl_start + 4 * i, i);
 		n = cx23885_risc_decode(risc);
 		for (j = 1; j < n; j++) {
 			risc = cx_read(ch->ctrl_start + 4 * (i + j));
-			printk("%s:   iq %x: 0x%08x [ arg #%d ]\n",
+			printk(KERN_WARNING "%s:   iq %x: 0x%08x [ arg #%d ]\n",
 			       dev->name, i+j, risc, j);
 		}
 	}
 
-	printk("%s: fifo: 0x%08x -> 0x%x\n",
+	printk(KERN_WARNING "%s: fifo: 0x%08x -> 0x%x\n",
 	       dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size);
-	printk("%s: ctrl: 0x%08x -> 0x%x\n",
+	printk(KERN_WARNING "%s: ctrl: 0x%08x -> 0x%x\n",
 	       dev->name, ch->ctrl_start, ch->ctrl_start + 6*16);
-	printk("%s:   ptr1_reg: 0x%08x\n",
+	printk(KERN_WARNING "%s:   ptr1_reg: 0x%08x\n",
 	       dev->name, cx_read(ch->ptr1_reg));
-	printk("%s:   ptr2_reg: 0x%08x\n",
+	printk(KERN_WARNING "%s:   ptr2_reg: 0x%08x\n",
 	       dev->name, cx_read(ch->ptr2_reg));
-	printk("%s:   cnt1_reg: 0x%08x\n",
+	printk(KERN_WARNING "%s:   cnt1_reg: 0x%08x\n",
 	       dev->name, cx_read(ch->cnt1_reg));
-	printk("%s:   cnt2_reg: 0x%08x\n",
+	printk(KERN_WARNING "%s:   cnt2_reg: 0x%08x\n",
 	       dev->name, cx_read(ch->cnt2_reg));
 }
 
@@ -515,13 +513,13 @@ static void cx23885_risc_disasm(struct cx23885_tsport *port,
 	struct cx23885_dev *dev = port->dev;
 	unsigned int i, j, n;
 
-	printk("%s: risc disasm: %p [dma=0x%08lx]\n",
+	printk(KERN_INFO "%s: risc disasm: %p [dma=0x%08lx]\n",
 	       dev->name, risc->cpu, (unsigned long)risc->dma);
 	for (i = 0; i < (risc->size >> 2); i += n) {
-		printk("%s:   %04d: ", dev->name, i);
+		printk(KERN_INFO "%s:   %04d: ", dev->name, i);
 		n = cx23885_risc_decode(le32_to_cpu(risc->cpu[i]));
 		for (j = 1; j < n; j++)
-			printk("%s:   %04d: 0x%08x [ arg #%d ]\n",
+			printk(KERN_INFO "%s:   %04d: 0x%08x [ arg #%d ]\n",
 			       dev->name, i + j, risc->cpu[i + j], j);
 		if (risc->cpu[i] == cpu_to_le32(RISC_JUMP))
 			break;
@@ -600,7 +598,7 @@ static int cx23885_pci_quirks(struct cx23885_dev *dev)
 	 * when DMA begins if RDR_TLCTL0 bit4 is not cleared. It does not
 	 * occur on the cx23887 bridge.
 	 */
-	if(dev->bridge == CX23885_BRIDGE_885)
+	if (dev->bridge == CX23885_BRIDGE_885)
 		cx_clear(RDR_TLCTL0, 1 << 4);
 
 	return 0;
@@ -608,13 +606,13 @@ static int cx23885_pci_quirks(struct cx23885_dev *dev)
 
 static int get_resources(struct cx23885_dev *dev)
 {
-	if (request_mem_region(pci_resource_start(dev->pci,0),
-			       pci_resource_len(dev->pci,0),
+	if (request_mem_region(pci_resource_start(dev->pci, 0),
+			       pci_resource_len(dev->pci, 0),
 			       dev->name))
 		return 0;
 
 	printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
-		dev->name, (unsigned long long)pci_resource_start(dev->pci,0));
+		dev->name, (unsigned long long)pci_resource_start(dev->pci, 0));
 
 	return -EBUSY;
 }
@@ -623,7 +621,8 @@ static void cx23885_timeout(unsigned long data);
 int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 				u32 reg, u32 mask, u32 value);
 
-static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *port, int portno)
+static int cx23885_init_tsport(struct cx23885_dev *dev,
+	struct cx23885_tsport *port, int portno)
 {
 	dprintk(1, "%s(portno=%d)\n", __func__, portno);
 
@@ -651,10 +650,10 @@ static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *p
 	 * attachment to this tsport, keeping the -dvb.c
 	 * code clean and safe.
 	 */
-	if(!port->num_frontends)
+	if (!port->num_frontends)
 		port->num_frontends = 1;
 
-	switch(portno) {
+	switch (portno) {
 	case 1:
 		port->reg_gpcnt          = VID_B_GPCNT;
 		port->reg_gpcnt_ctl      = VID_B_GPCNT_CTL;
@@ -755,13 +754,13 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 	mutex_unlock(&devlist);
 
 	/* Configure the internal memory */
-	if(dev->pci->device == 0x8880) {
+	if (dev->pci->device == 0x8880) {
 		dev->bridge = CX23885_BRIDGE_887;
 		/* Apply a sensible clock frequency for the PCIe bridge */
 		dev->clk_freq = 25000000;
 		dev->sram_channels = cx23887_sram_channels;
 	} else
-	if(dev->pci->device == 0x8852) {
+	if (dev->pci->device == 0x8852) {
 		dev->bridge = CX23885_BRIDGE_885;
 		/* Apply a sensible clock frequency for the PCIe bridge */
 		dev->clk_freq = 28000000;
@@ -842,8 +841,8 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 	}
 
 	/* PCIe stuff */
-	dev->lmmio = ioremap(pci_resource_start(dev->pci,0),
-			     pci_resource_len(dev->pci,0));
+	dev->lmmio = ioremap(pci_resource_start(dev->pci, 0),
+			     pci_resource_len(dev->pci, 0));
 
 	dev->bmmio = (u8 __iomem *)dev->lmmio;
 
@@ -873,7 +872,7 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 	cx23885_i2c_register(&dev->i2c_bus[1]);
 	cx23885_i2c_register(&dev->i2c_bus[2]);
 	cx23885_card_setup(dev);
-	cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
+	cx23885_call_i2c_clients(&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
 	cx23885_ir_init(dev);
 
 	if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) {
@@ -919,8 +918,8 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 
 static void cx23885_dev_unregister(struct cx23885_dev *dev)
 {
-	release_mem_region(pci_resource_start(dev->pci,0),
-			   pci_resource_len(dev->pci,0));
+	release_mem_region(pci_resource_start(dev->pci, 0),
+			   pci_resource_len(dev->pci, 0));
 
 	if (!atomic_dec_and_test(&dev->refcount))
 		return;
@@ -947,7 +946,7 @@ static void cx23885_dev_unregister(struct cx23885_dev *dev)
 	iounmap(dev->lmmio);
 }
 
-static __le32* cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
+static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
 			       unsigned int offset, u32 sync_line,
 			       unsigned int bpl, unsigned int padding,
 			       unsigned int lines)
@@ -968,31 +967,31 @@ static __le32* cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
 		}
 		if (bpl <= sg_dma_len(sg)-offset) {
 			/* fits into current chunk */
-			*(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl);
-			*(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
-			*(rp++)=cpu_to_le32(0); /* bits 63-32 */
-			offset+=bpl;
+			*(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl);
+			*(rp++) = cpu_to_le32(sg_dma_address(sg)+offset);
+			*(rp++) = cpu_to_le32(0); /* bits 63-32 */
+			offset += bpl;
 		} else {
 			/* scanline needs to be split */
 			todo = bpl;
-			*(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|
+			*(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL|
 					    (sg_dma_len(sg)-offset));
-			*(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
-			*(rp++)=cpu_to_le32(0); /* bits 63-32 */
+			*(rp++) = cpu_to_le32(sg_dma_address(sg)+offset);
+			*(rp++) = cpu_to_le32(0); /* bits 63-32 */
 			todo -= (sg_dma_len(sg)-offset);
 			offset = 0;
 			sg++;
 			while (todo > sg_dma_len(sg)) {
-				*(rp++)=cpu_to_le32(RISC_WRITE|
+				*(rp++) = cpu_to_le32(RISC_WRITE|
 						    sg_dma_len(sg));
-				*(rp++)=cpu_to_le32(sg_dma_address(sg));
-				*(rp++)=cpu_to_le32(0); /* bits 63-32 */
+				*(rp++) = cpu_to_le32(sg_dma_address(sg));
+				*(rp++) = cpu_to_le32(0); /* bits 63-32 */
 				todo -= sg_dma_len(sg);
 				sg++;
 			}
-			*(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
-			*(rp++)=cpu_to_le32(sg_dma_address(sg));
-			*(rp++)=cpu_to_le32(0); /* bits 63-32 */
+			*(rp++) = cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
+			*(rp++) = cpu_to_le32(sg_dma_address(sg));
+			*(rp++) = cpu_to_le32(0); /* bits 63-32 */
 			offset += todo;
 		}
 		offset += padding;
@@ -1021,9 +1020,11 @@ int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 	   can cause next bpl to start close to a page border.  First DMA
 	   region may be smaller than PAGE_SIZE */
 	/* write and jump need and extra dword */
-	instructions  = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines);
+	instructions  = fields * (1 + ((bpl + padding) * lines)
+		/ PAGE_SIZE + lines);
 	instructions += 2;
-	if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0)
+	rc = btcx_riscmem_alloc(pci, risc, instructions*12);
+	if (rc < 0)
 		return rc;
 
 	/* write risc instructions */
@@ -1037,7 +1038,7 @@ int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
 
 	/* save pointer to jmp instruction address */
 	risc->jmp = rp;
-	BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
+	BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
 	return 0;
 }
 
@@ -1059,7 +1060,8 @@ static int cx23885_risc_databuffer(struct pci_dev *pci,
 	instructions  = 1 + (bpl * lines) / PAGE_SIZE + lines;
 	instructions += 1;
 
-	if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0)
+	rc = btcx_riscmem_alloc(pci, risc, instructions*12);
+	if (rc < 0)
 		return rc;
 
 	/* write risc instructions */
@@ -1068,7 +1070,7 @@ static int cx23885_risc_databuffer(struct pci_dev *pci,
 
 	/* save pointer to jmp instruction address */
 	risc->jmp = rp;
-	BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
+	BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
 	return 0;
 }
 
@@ -1078,7 +1080,8 @@ int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 	__le32 *rp;
 	int rc;
 
-	if ((rc = btcx_riscmem_alloc(pci, risc, 4*16)) < 0)
+	rc = btcx_riscmem_alloc(pci, risc, 4*16);
+	if (rc < 0)
 		return rc;
 
 	/* write risc instructions */
@@ -1172,22 +1175,23 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 
 	/* setup fifo + format */
 	cx23885_sram_channel_setup(dev,
-				   &dev->sram_channels[ port->sram_chno ],
+				   &dev->sram_channels[port->sram_chno],
 				   port->ts_packet_size, buf->risc.dma);
-	if(debug > 5) {
-		cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ] );
+	if (debug > 5) {
+		cx23885_sram_channel_dump(dev,
+			&dev->sram_channels[port->sram_chno]);
 		cx23885_risc_disasm(port, &buf->risc);
 	}
 
 	/* write TS length to chip */
 	cx_write(port->reg_lngth, buf->vb.width);
 
-	if ( (!(cx23885_boards[dev->board].portb & CX23885_MPEG_DVB)) &&
-		(!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB)) ) {
-		printk( "%s() Failed. Unsupported value in .portb/c (0x%08x)/(0x%08x)\n",
+	if ((!(cx23885_boards[dev->board].portb & CX23885_MPEG_DVB)) &&
+		(!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))) {
+		printk("%s() Unsupported .portb/c (0x%08x)/(0x%08x)\n",
 			__func__,
 			cx23885_boards[dev->board].portb,
-			cx23885_boards[dev->board].portc );
+			cx23885_boards[dev->board].portc);
 		return -EINVAL;
 	}
 
@@ -1197,7 +1201,7 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 	udelay(100);
 
 	/* If the port supports SRC SELECT, configure it */
-	if(port->reg_src_sel)
+	if (port->reg_src_sel)
 		cx_write(port->reg_src_sel, port->src_sel_val);
 
 	cx_write(port->reg_hw_sop_ctrl, port->hw_sop_ctrl_val);
@@ -1206,7 +1210,7 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 	cx_write(port->reg_gen_ctrl, port->gen_ctrl_val);
 	udelay(100);
 
-	// NOTE: this is 2 (reserved) for portb, does it matter?
+	/* NOTE: this is 2 (reserved) for portb, does it matter? */
 	/* reset counter to zero */
 	cx_write(port->reg_gpcnt_ctl, 3);
 	q->count = 1;
@@ -1240,11 +1244,11 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 		cx_write(ALT_PIN_OUT_SEL, 0x10100045);
 	}
 
-	switch(dev->bridge) {
+	switch (dev->bridge) {
 	case CX23885_BRIDGE_885:
 	case CX23885_BRIDGE_887:
 		/* enable irqs */
-		dprintk(1, "%s() enabling TS int's and DMA\n", __func__ );
+		dprintk(1, "%s() enabling TS int's and DMA\n", __func__);
 		cx_set(port->reg_ts_int_msk,  port->ts_int_msk_val);
 		cx_set(port->reg_dma_ctl, port->dma_ctl_val);
 		cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask);
@@ -1303,8 +1307,7 @@ int cx23885_restart_queue(struct cx23885_tsport *port,
 	struct cx23885_buffer *buf;
 
 	dprintk(5, "%s()\n", __func__);
-	if (list_empty(&q->active))
-	{
+	if (list_empty(&q->active)) {
 		struct cx23885_buffer *prev;
 		prev = NULL;
 
@@ -1322,7 +1325,7 @@ int cx23885_restart_queue(struct cx23885_tsport *port,
 				buf->vb.state = VIDEOBUF_ACTIVE;
 				buf->count    = q->count++;
 				mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-				dprintk(5, "[%p/%d] restart_queue - first active\n",
+				dprintk(5, "[%p/%d] restart_queue - f/active\n",
 					buf, buf->vb.i);
 
 			} else if (prev->vb.width  == buf->vb.width  &&
@@ -1333,8 +1336,9 @@ int cx23885_restart_queue(struct cx23885_tsport *port,
 				buf->vb.state = VIDEOBUF_ACTIVE;
 				buf->count    = q->count++;
 				prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-				prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */
-				dprintk(5,"[%p/%d] restart_queue - move to active\n",
+				/* 64 bit bits 63-32 */
+				prev->risc.jmp[2] = cpu_to_le32(0);
+				dprintk(5, "[%p/%d] restart_queue - m/active\n",
 					buf, buf->vb.i);
 			} else {
 				return 0;
@@ -1373,7 +1377,8 @@ int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
 		buf->vb.size   = size;
 		buf->vb.field  = field /*V4L2_FIELD_TOP*/;
 
-		if (0 != (rc = videobuf_iolock(q, &buf->vb, NULL)))
+		rc = videobuf_iolock(q, &buf->vb, NULL);
+		if (0 != rc)
 			goto fail;
 		cx23885_risc_databuffer(dev->pci, &buf->risc,
 					videobuf_to_dma(&buf->vb)->sglist,
@@ -1399,7 +1404,7 @@ void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf)
 	buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 
 	if (list_empty(&cx88q->active)) {
-		dprintk( 1, "queue is empty - first active\n" );
+		dprintk(1, "queue is empty - first active\n");
 		list_add_tail(&buf->vb.queue, &cx88q->active);
 		cx23885_start_dma(port, cx88q, buf);
 		buf->vb.state = VIDEOBUF_ACTIVE;
@@ -1408,7 +1413,7 @@ void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf)
 		dprintk(1, "[%p/%d] %s - first active\n",
 			buf, buf->vb.i, __func__);
 	} else {
-		dprintk( 1, "queue is not empty - append to active\n" );
+		dprintk(1, "queue is not empty - append to active\n");
 		prev = list_entry(cx88q->active.prev, struct cx23885_buffer,
 				  vb.queue);
 		list_add_tail(&buf->vb.queue, &cx88q->active);
@@ -1416,7 +1421,7 @@ void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf)
 		buf->count    = cx88q->count++;
 		prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 		prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */
-		dprintk( 1, "[%p/%d] %s - append to active\n",
+		dprintk(1, "[%p/%d] %s - append to active\n",
 			 buf, buf->vb.i, __func__);
 	}
 }
@@ -1442,7 +1447,7 @@ static void do_cancel_buffers(struct cx23885_tsport *port, char *reason,
 			buf, buf->vb.i, reason, (unsigned long)buf->risc.dma);
 	}
 	if (restart) {
-		dprintk(1, "restarting queue\n" );
+		dprintk(1, "restarting queue\n");
 		cx23885_restart_queue(port, q);
 	}
 	spin_unlock_irqrestore(&port->slock, flags);
@@ -1464,10 +1469,11 @@ static void cx23885_timeout(unsigned long data)
 	struct cx23885_tsport *port = (struct cx23885_tsport *)data;
 	struct cx23885_dev *dev = port->dev;
 
-	dprintk(1, "%s()\n",__func__);
+	dprintk(1, "%s()\n", __func__);
 
 	if (debug > 5)
-		cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
+		cx23885_sram_channel_dump(dev,
+			&dev->sram_channels[port->sram_chno]);
 
 	cx23885_stop_dma(port);
 	do_cancel_buffers(port, "timeout", 1);
@@ -1543,16 +1549,23 @@ static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status)
 	if ((status & VID_BC_MSK_OPC_ERR) ||
 		(status & VID_BC_MSK_BAD_PKT) ||
 		(status & VID_BC_MSK_SYNC) ||
-		(status & VID_BC_MSK_OF))
-	{
+		(status & VID_BC_MSK_OF)) {
+
 		if (status & VID_BC_MSK_OPC_ERR)
-			dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", VID_BC_MSK_OPC_ERR);
+			dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
+				VID_BC_MSK_OPC_ERR);
+
 		if (status & VID_BC_MSK_BAD_PKT)
-			dprintk(7, " (VID_BC_MSK_BAD_PKT 0x%08x)\n", VID_BC_MSK_BAD_PKT);
+			dprintk(7, " (VID_BC_MSK_BAD_PKT 0x%08x)\n",
+				VID_BC_MSK_BAD_PKT);
+
 		if (status & VID_BC_MSK_SYNC)
-			dprintk(7, " (VID_BC_MSK_SYNC    0x%08x)\n", VID_BC_MSK_SYNC);
+			dprintk(7, " (VID_BC_MSK_SYNC    0x%08x)\n",
+				VID_BC_MSK_SYNC);
+
 		if (status & VID_BC_MSK_OF)
-			dprintk(7, " (VID_BC_MSK_OF      0x%08x)\n", VID_BC_MSK_OF);
+			dprintk(7, " (VID_BC_MSK_OF      0x%08x)\n",
+				VID_BC_MSK_OF);
 
 		printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name);
 
@@ -1606,7 +1619,7 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
 	ts2_status = cx_read(VID_C_INT_STAT);
 	ts2_mask = cx_read(VID_C_INT_MSK);
 
-	if ( (pci_status == 0) && (ts2_status == 0) && (ts1_status == 0) )
+	if ((pci_status == 0) && (ts2_status == 0) && (ts1_status == 0))
 		goto out;
 
 	vida_count = cx_read(VID_A_GPCNT);
@@ -1621,38 +1634,56 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
 	dprintk(7, "ts2_status: 0x%08x  ts2_mask: 0x%08x count: 0x%x\n",
 		ts2_status, ts2_mask, ts2_count);
 
-	if ( (pci_status & PCI_MSK_RISC_RD) ||
-	     (pci_status & PCI_MSK_RISC_WR) ||
-	     (pci_status & PCI_MSK_AL_RD) ||
-	     (pci_status & PCI_MSK_AL_WR) ||
-	     (pci_status & PCI_MSK_APB_DMA) ||
-	     (pci_status & PCI_MSK_VID_C) ||
-	     (pci_status & PCI_MSK_VID_B) ||
-	     (pci_status & PCI_MSK_VID_A) ||
-	     (pci_status & PCI_MSK_AUD_INT) ||
-	     (pci_status & PCI_MSK_AUD_EXT) )
-	{
+	if ((pci_status & PCI_MSK_RISC_RD) ||
+	    (pci_status & PCI_MSK_RISC_WR) ||
+	    (pci_status & PCI_MSK_AL_RD) ||
+	    (pci_status & PCI_MSK_AL_WR) ||
+	    (pci_status & PCI_MSK_APB_DMA) ||
+	    (pci_status & PCI_MSK_VID_C) ||
+	    (pci_status & PCI_MSK_VID_B) ||
+	    (pci_status & PCI_MSK_VID_A) ||
+	    (pci_status & PCI_MSK_AUD_INT) ||
+	    (pci_status & PCI_MSK_AUD_EXT)) {
 
 		if (pci_status & PCI_MSK_RISC_RD)
-			dprintk(7, " (PCI_MSK_RISC_RD   0x%08x)\n", PCI_MSK_RISC_RD);
+			dprintk(7, " (PCI_MSK_RISC_RD   0x%08x)\n",
+				PCI_MSK_RISC_RD);
+
 		if (pci_status & PCI_MSK_RISC_WR)
-			dprintk(7, " (PCI_MSK_RISC_WR   0x%08x)\n", PCI_MSK_RISC_WR);
+			dprintk(7, " (PCI_MSK_RISC_WR   0x%08x)\n",
+				PCI_MSK_RISC_WR);
+
 		if (pci_status & PCI_MSK_AL_RD)
-			dprintk(7, " (PCI_MSK_AL_RD     0x%08x)\n", PCI_MSK_AL_RD);
+			dprintk(7, " (PCI_MSK_AL_RD     0x%08x)\n",
+				PCI_MSK_AL_RD);
+
 		if (pci_status & PCI_MSK_AL_WR)
-			dprintk(7, " (PCI_MSK_AL_WR     0x%08x)\n", PCI_MSK_AL_WR);
+			dprintk(7, " (PCI_MSK_AL_WR     0x%08x)\n",
+				PCI_MSK_AL_WR);
+
 		if (pci_status & PCI_MSK_APB_DMA)
-			dprintk(7, " (PCI_MSK_APB_DMA   0x%08x)\n", PCI_MSK_APB_DMA);
+			dprintk(7, " (PCI_MSK_APB_DMA   0x%08x)\n",
+				PCI_MSK_APB_DMA);
+
 		if (pci_status & PCI_MSK_VID_C)
-			dprintk(7, " (PCI_MSK_VID_C     0x%08x)\n", PCI_MSK_VID_C);
+			dprintk(7, " (PCI_MSK_VID_C     0x%08x)\n",
+				PCI_MSK_VID_C);
+
 		if (pci_status & PCI_MSK_VID_B)
-			dprintk(7, " (PCI_MSK_VID_B     0x%08x)\n", PCI_MSK_VID_B);
+			dprintk(7, " (PCI_MSK_VID_B     0x%08x)\n",
+				PCI_MSK_VID_B);
+
 		if (pci_status & PCI_MSK_VID_A)
-			dprintk(7, " (PCI_MSK_VID_A     0x%08x)\n", PCI_MSK_VID_A);
+			dprintk(7, " (PCI_MSK_VID_A     0x%08x)\n",
+				PCI_MSK_VID_A);
+
 		if (pci_status & PCI_MSK_AUD_INT)
-			dprintk(7, " (PCI_MSK_AUD_INT   0x%08x)\n", PCI_MSK_AUD_INT);
+			dprintk(7, " (PCI_MSK_AUD_INT   0x%08x)\n",
+				PCI_MSK_AUD_INT);
+
 		if (pci_status & PCI_MSK_AUD_EXT)
-			dprintk(7, " (PCI_MSK_AUD_EXT   0x%08x)\n", PCI_MSK_AUD_EXT);
+			dprintk(7, " (PCI_MSK_AUD_EXT   0x%08x)\n",
+				PCI_MSK_AUD_EXT);
 
 	}
 
@@ -1764,13 +1795,13 @@ static struct pci_device_id cx23885_pci_tbl[] = {
 		.device       = 0x8852,
 		.subvendor    = PCI_ANY_ID,
 		.subdevice    = PCI_ANY_ID,
-	},{
+	}, {
 		/* CX23887 Rev 2 */
 		.vendor       = 0x14f1,
 		.device       = 0x8880,
 		.subvendor    = PCI_ANY_ID,
 		.subdevice    = PCI_ANY_ID,
-	},{
+	}, {
 		/* --- end of list --- */
 	}
 };
@@ -1808,9 +1839,3 @@ module_init(cx23885_init);
 module_exit(cx23885_fini);
 
 /* ----------------------------------------------------------- */
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
- */
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 9dfc9600855..8e9871106af 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -78,19 +78,19 @@ static int dvb_buf_prepare(struct videobuf_queue *q,
 			   struct videobuf_buffer *vb, enum v4l2_field field)
 {
 	struct cx23885_tsport *port = q->priv_data;
-	return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
+	return cx23885_buf_prepare(q, port, (struct cx23885_buffer *)vb, field);
 }
 
 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
 {
 	struct cx23885_tsport *port = q->priv_data;
-	cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
+	cx23885_buf_queue(port, (struct cx23885_buffer *)vb);
 }
 
 static void dvb_buf_release(struct videobuf_queue *q,
 			    struct videobuf_buffer *vb)
 {
-	cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
+	cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
 }
 
 static struct videobuf_queue_ops dvb_qops = {
@@ -450,7 +450,8 @@ static int dvb_register(struct cx23885_tsport *port)
 				.fname   = XC3028L_DEFAULT_FIRMWARE,
 				.max_len = 64,
 				.demod   = 5000,
-				/* This is true for all demods with v36 firmware? */
+				/* This is true for all demods with
+					v36 firmware? */
 				.type    = XC2028_D2633,
 			};
 
@@ -525,12 +526,14 @@ static int dvb_register(struct cx23885_tsport *port)
 		}
 		break;
 	default:
-		printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
+		printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
+			" isn't supported yet\n",
 		       dev->name);
 		break;
 	}
 	if (NULL == fe0->dvb.frontend) {
-		printk("%s: frontend initialization failed\n", dev->name);
+		printk(KERN_ERR "%s: frontend initialization failed\n",
+			dev->name);
 		return -1;
 	}
 	/* define general-purpose callback pointer */
@@ -568,7 +571,8 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 		port->num_frontends);
 
 	for (i = 1; i <= port->num_frontends; i++) {
-		if (videobuf_dvb_alloc_frontend(dev, &port->frontends, i) == NULL) {
+		if (videobuf_dvb_alloc_frontend(dev,
+			&port->frontends, i) == NULL) {
 			printk(KERN_ERR "%s() failed to alloc\n", __func__);
 			return -ENOMEM;
 		}
@@ -578,7 +582,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 			err = -EINVAL;
 
 		dprintk(1, "%s\n", __func__);
-		dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
+		dprintk(1, " ->probed by Card=%d Name=%s, PCI %02x:%02x\n",
 			dev->board,
 			dev->name,
 			dev->pci_bus,
@@ -588,14 +592,16 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 
 		/* dvb stuff */
 		/* We have to init the queue for each frontend on a port. */
-		printk("%s: cx23885 based dvb card\n", dev->name);
-		videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock,
+		printk(KERN_INFO "%s: cx23885 based dvb card\n", dev->name);
+		videobuf_queue_sg_init(&fe0->dvb.dvbq, &dvb_qops,
+			    &dev->pci->dev, &port->slock,
 			    V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
 			    sizeof(struct cx23885_buffer), port);
 	}
 	err = dvb_register(port);
 	if (err != 0)
-		printk("%s() dvb_register failed err = %d\n", __func__, err);
+		printk(KERN_ERR "%s() dvb_register failed err = %d\n",
+			__func__, err);
 
 	return err;
 }
@@ -612,15 +618,9 @@ int cx23885_dvb_unregister(struct cx23885_tsport *port)
 	 * implement MFE support.
 	 */
 	fe0 = videobuf_dvb_get_frontend(&port->frontends, 1);
-	if(fe0->dvb.frontend)
+	if (fe0->dvb.frontend)
 		videobuf_dvb_unregister_bus(&port->frontends);
 
 	return 0;
 }
 
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
-*/
diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c
index f98e476e961..bb7f71a1fcb 100644
--- a/drivers/media/video/cx23885/cx23885-i2c.c
+++ b/drivers/media/video/cx23885/cx23885-i2c.c
@@ -131,7 +131,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
 			printk(" >\n");
 	}
 
-	for (cnt = 1; cnt < msg->len; cnt++ ) {
+	for (cnt = 1; cnt < msg->len; cnt++) {
 		/* following bytes */
 		wdata = msg->buf[cnt];
 		ctrl = bus->i2c_period | (1 << 12) | (1 << 2);
@@ -151,9 +151,9 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
 		if (retval == 0)
 			goto eio;
 		if (i2c_debug) {
-			printk(" %02x", msg->buf[cnt]);
+			dprintk(1, " %02x", msg->buf[cnt]);
 			if (!(ctrl & I2C_NOSTOP))
-				printk(" >\n");
+				dprintk(1, " >\n");
 		}
 	}
 	return msg->len;
@@ -162,7 +162,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap,
 	retval = -EIO;
  err:
 	if (i2c_debug)
-		printk(" ERR: %d\n", retval);
+		printk(KERN_ERR " ERR: %d\n", retval);
 	return retval;
 }
 
@@ -194,12 +194,12 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap,
 
 	if (i2c_debug) {
 		if (joined)
-			printk(" R");
+			dprintk(1, " R");
 		else
-			printk(" <R %02x", (msg->addr << 1) + 1);
+			dprintk(1, " <R %02x", (msg->addr << 1) + 1);
 	}
 
-	for(cnt = 0; cnt < msg->len; cnt++) {
+	for (cnt = 0; cnt < msg->len; cnt++) {
 
 		ctrl = bus->i2c_period | (1 << 12) | (1 << 2) | 1;
 
@@ -216,9 +216,9 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap,
 			goto eio;
 		msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff;
 		if (i2c_debug) {
-			printk(" %02x", msg->buf[cnt]);
+			dprintk(1, " %02x", msg->buf[cnt]);
 			if (!(ctrl & I2C_NOSTOP))
-				printk(" >\n");
+				dprintk(1, " >\n");
 		}
 	}
 	return msg->len;
@@ -227,7 +227,7 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap,
 	retval = -EIO;
  err:
 	if (i2c_debug)
-		printk(" ERR: %d\n", retval);
+		printk(KERN_ERR " ERR: %d\n", retval);
 	return retval;
 }
 
@@ -353,17 +353,17 @@ static struct i2c_client cx23885_i2c_client_template = {
 };
 
 static char *i2c_devs[128] = {
-	[0x10 >> 1]   = "tda10048",
-	[0x12 >> 1]   = "dib7000pc",
-	[ 0x1c >> 1 ] = "lgdt3303",
-	[ 0x86 >> 1 ] = "tda9887",
-	[ 0x32 >> 1 ] = "cx24227",
-	[ 0x88 >> 1 ] = "cx25837",
-	[ 0x84 >> 1 ] = "tda8295",
-	[ 0xa0 >> 1 ] = "eeprom",
-	[ 0xc0 >> 1 ] = "tuner/mt2131/tda8275",
+	[0x10 >> 1] = "tda10048",
+	[0x12 >> 1] = "dib7000pc",
+	[0x1c >> 1] = "lgdt3303",
+	[0x86 >> 1] = "tda9887",
+	[0x32 >> 1] = "cx24227",
+	[0x88 >> 1] = "cx25837",
+	[0x84 >> 1] = "tda8295",
+	[0xa0 >> 1] = "eeprom",
+	[0xc0 >> 1] = "tuner/mt2131/tda8275",
 	[0xc2 >> 1] = "tuner/mt2131/tda8275/xc5000/xc3028",
-	[0xc8 >> 1]   = "tuner/xc3028L",
+	[0xc8 >> 1] = "tuner/xc3028L",
 };
 
 static void do_i2c_scan(char *name, struct i2c_client *c)
@@ -376,7 +376,7 @@ static void do_i2c_scan(char *name, struct i2c_client *c)
 		rc = i2c_master_recv(c, &buf, 0);
 		if (rc < 0)
 			continue;
-		printk("%s: i2c scan: found device @ 0x%x  [%s]\n",
+		printk(KERN_INFO "%s: i2c scan: found device @ 0x%x  [%s]\n",
 		       name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???");
 	}
 }
@@ -408,11 +408,12 @@ int cx23885_i2c_register(struct cx23885_i2c *bus)
 	bus->i2c_client.adapter = &bus->i2c_adap;
 
 	if (0 == bus->i2c_rc) {
-		printk("%s: i2c bus %d registered\n", dev->name, bus->nr);
+		dprintk(1, "%s: i2c bus %d registered\n", dev->name, bus->nr);
 		if (i2c_scan)
 			do_i2c_scan(dev->name, &bus->i2c_client);
 	} else
-		printk("%s: i2c bus %d register FAILED\n", dev->name, bus->nr);
+		printk(KERN_WARNING "%s: i2c bus %d register FAILED\n",
+			dev->name, bus->nr);
 
 	return bus->i2c_rc;
 }
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index f75ed1c9b71..ab3110d6046 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -285,11 +285,10 @@ static void cx23885_video_wakeup(struct cx23885_dev *dev,
 		list_del(&buf->vb.queue);
 		wake_up(&buf->vb.done);
 	}
-	if (list_empty(&q->active)) {
+	if (list_empty(&q->active))
 		del_timer(&q->timeout);
-	} else {
+	else
 		mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
-	}
 	if (bc != 1)
 		printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
 			__func__, bc);
@@ -379,12 +378,12 @@ static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
 
 static int res_check(struct cx23885_fh *fh, unsigned int bit)
 {
-	return (fh->resources & bit);
+	return fh->resources & bit;
 }
 
 static int res_locked(struct cx23885_dev *dev, unsigned int bit)
 {
-	return (dev->resources & bit);
+	return dev->resources & bit;
 }
 
 static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
@@ -887,14 +886,16 @@ static int video_mmap(struct file *file, struct vm_area_struct *vma)
 /* ------------------------------------------------------------------ */
 /* VIDEO CTRL IOCTLS                                                  */
 
-static int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
+static int cx23885_get_control(struct cx23885_dev *dev,
+	struct v4l2_control *ctl)
 {
 	dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
 	cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl);
 	return 0;
 }
 
-static int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
+static int cx23885_set_control(struct cx23885_dev *dev,
+	struct v4l2_control *ctl)
 {
 	dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)"
 		" (disabled - no action)\n", __func__);
@@ -1073,29 +1074,29 @@ static int vidioc_reqbufs(struct file *file, void *priv,
 	struct v4l2_requestbuffers *p)
 {
 	struct cx23885_fh *fh = priv;
-	return (videobuf_reqbufs(get_queue(fh), p));
+	return videobuf_reqbufs(get_queue(fh), p);
 }
 
 static int vidioc_querybuf(struct file *file, void *priv,
 	struct v4l2_buffer *p)
 {
 	struct cx23885_fh *fh = priv;
-	return (videobuf_querybuf(get_queue(fh), p));
+	return videobuf_querybuf(get_queue(fh), p);
 }
 
 static int vidioc_qbuf(struct file *file, void *priv,
 	struct v4l2_buffer *p)
 {
 	struct cx23885_fh *fh = priv;
-	return (videobuf_qbuf(get_queue(fh), p));
+	return videobuf_qbuf(get_queue(fh), p);
 }
 
 static int vidioc_dqbuf(struct file *file, void *priv,
 	struct v4l2_buffer *p)
 {
 	struct cx23885_fh *fh = priv;
-	return (videobuf_dqbuf(get_queue(fh), p,
-				file->f_flags & O_NONBLOCK));
+	return videobuf_dqbuf(get_queue(fh), p,
+				file->f_flags & O_NONBLOCK);
 }
 
 static int vidioc_streamon(struct file *file, void *priv,
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index 73d5d5756ae..1d53f54cd94 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -37,7 +37,7 @@
 #include <linux/version.h>
 #include <linux/mutex.h>
 
-#define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
+#define CX23885_VERSION_CODE KERNEL_VERSION(0, 0, 1)
 
 #define UNSET (-1U)
 
@@ -370,14 +370,14 @@ struct sram_channel {
 /* ----------------------------------------------------------- */
 
 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
-#define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
+#define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
 
-#define cx_andor(reg,mask,value) \
+#define cx_andor(reg, mask, value) \
   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
   ((value) & (mask)), dev->lmmio+((reg)>>2))
 
-#define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
-#define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
+#define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
+#define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
 
 /* ----------------------------------------------------------- */
 /* cx23885-core.c                                              */
@@ -414,7 +414,8 @@ extern const unsigned int cx23885_bcount;
 extern struct cx23885_subid cx23885_subids[];
 extern const unsigned int cx23885_idcount;
 
-extern int cx23885_tuner_callback(void *priv, int component, int command, int arg);
+extern int cx23885_tuner_callback(void *priv, int component,
+	int command, int arg);
 extern void cx23885_card_list(struct cx23885_dev *dev);
 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
@@ -482,11 +483,3 @@ static inline unsigned int norm_swidth(v4l2_std_id norm)
 {
 	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 754 : 922;
 }
-
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
- */
-- 
GitLab


From a8eb912c6d2c68426c2c2e0aad4c2bbec2240179 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:19:41 -0300
Subject: [PATCH 1067/2224] V4L/DVB (9252): au0828: Checkpatch compliance

au0828: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/au0828/au0828-cards.c | 2 +-
 drivers/media/video/au0828/au0828-core.c  | 3 ++-
 drivers/media/video/au0828/au0828-dvb.c   | 3 ++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/au0828/au0828-cards.c b/drivers/media/video/au0828/au0828-cards.c
index 66e0edd5861..d60123b413f 100644
--- a/drivers/media/video/au0828/au0828-cards.c
+++ b/drivers/media/video/au0828/au0828-cards.c
@@ -186,7 +186,7 @@ void au0828_gpio_setup(struct au0828_dev *dev)
 }
 
 /* table of devices that work with this driver */
-struct usb_device_id au0828_usb_id_table [] = {
+struct usb_device_id au0828_usb_id_table[] = {
 	{ USB_DEVICE(0x2040, 0x7200),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7240),
diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c
index d856de9f742..5765e865637 100644
--- a/drivers/media/video/au0828/au0828-core.c
+++ b/drivers/media/video/au0828/au0828-core.c
@@ -91,7 +91,8 @@ static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value,
 		status = usb_control_msg(dev->usbdev,
 				usb_sndctrlpipe(dev->usbdev, 0),
 				request,
-				USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				USB_DIR_OUT | USB_TYPE_VENDOR |
+					USB_RECIP_DEVICE,
 				value, index,
 				cp, size, 1000);
 
diff --git a/drivers/media/video/au0828/au0828-dvb.c b/drivers/media/video/au0828/au0828-dvb.c
index f0fcdb4769d..a882cf546d0 100644
--- a/drivers/media/video/au0828/au0828-dvb.c
+++ b/drivers/media/video/au0828/au0828-dvb.c
@@ -173,7 +173,8 @@ static int start_urb_transfer(struct au0828_dev *dev)
 		purb->status = -EINPROGRESS;
 		usb_fill_bulk_urb(purb,
 				  dev->usbdev,
-				  usb_rcvbulkpipe(dev->usbdev, _AU0828_BULKPIPE),
+				  usb_rcvbulkpipe(dev->usbdev,
+					_AU0828_BULKPIPE),
 				  purb->transfer_buffer,
 				  URB_BUFSIZE,
 				  urb_completion,
-- 
GitLab


From d93356a22014f555ab6f9fbeb697fc73b565841a Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:20:51 -0300
Subject: [PATCH 1068/2224] V4L/DVB (9253): cx24116: Checkpatch compliance

cx24116: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/cx24116.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb/frontends/cx24116.h b/drivers/media/dvb/frontends/cx24116.h
index 8dbcec26839..2b09e10872f 100644
--- a/drivers/media/dvb/frontends/cx24116.h
+++ b/drivers/media/dvb/frontends/cx24116.h
@@ -45,7 +45,7 @@ extern struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
 static inline struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
 						  struct i2c_adapter* i2c)
 {
-	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
 #endif // CONFIG_DVB_CX24116
-- 
GitLab


From f11ec7d4ee4308592dbd9b1db645ab14fe32719c Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:22:01 -0300
Subject: [PATCH 1069/2224] V4L/DVB (9254): cx24116: Checkpatch compliance #2

cx24116: Checkpatch compliance #2

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/cx24116.c | 493 +++++++++++++-------------
 drivers/media/dvb/frontends/cx24116.h |  19 +-
 2 files changed, 266 insertions(+), 246 deletions(-)

diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c
index deb36f469ad..751792a092e 100644
--- a/drivers/media/dvb/frontends/cx24116.c
+++ b/drivers/media/dvb/frontends/cx24116.c
@@ -41,10 +41,14 @@
 #include "dvb_frontend.h"
 #include "cx24116.h"
 
-static int debug = 0;
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
+
 #define dprintk(args...) \
 	do { \
-		if (debug) printk ("cx24116: " args); \
+		if (debug) \
+			printk("cx24116: " args); \
 	} while (0)
 
 #define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw"
@@ -116,12 +120,15 @@ static int debug = 0;
 
 /* DiSEqC tone burst */
 static int toneburst = 1;
+module_param(toneburst, int, 0644);
+MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)");
 
 /* SNR measurements */
-static int esno_snr = 0;
+static int esno_snr;
+module_param(esno_snr, int, 0644);
+MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:0)");
 
-enum cmds
-{
+enum cmds {
 	CMD_SET_VCO     = 0x10,
 	CMD_TUNEREQUEST = 0x11,
 	CMD_MPEGCONFIG  = 0x13,
@@ -138,8 +145,7 @@ enum cmds
 };
 
 /* The Demod/Tuner can't easily provide these, we cache them */
-struct cx24116_tuning
-{
+struct cx24116_tuning {
 	u32 frequency;
 	u32 symbol_rate;
 	fe_spectral_inversion_t inversion;
@@ -158,16 +164,14 @@ struct cx24116_tuning
 };
 
 /* Basic commands that are sent to the firmware */
-struct cx24116_cmd
-{
+struct cx24116_cmd {
 	u8 len;
 	u8 args[CX24116_ARGLEN];
 };
 
-struct cx24116_state
-{
-	struct i2c_adapter* i2c;
-	const struct cx24116_config* config;
+struct cx24116_state {
+	struct i2c_adapter *i2c;
+	const struct cx24116_config *config;
 
 	struct dvb_frontend frontend;
 
@@ -179,18 +183,19 @@ struct cx24116_state
 	struct cx24116_cmd dsec_cmd;
 };
 
-static int cx24116_writereg(struct cx24116_state* state, int reg, int data)
+static int cx24116_writereg(struct cx24116_state *state, int reg, int data)
 {
 	u8 buf[] = { reg, data };
 	struct i2c_msg msg = { .addr = state->config->demod_address,
 		.flags = 0, .buf = buf, .len = 2 };
 	int err;
 
-	if (debug>1)
+	if (debug > 1)
 		printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n",
-						__func__,reg, data);
+			__func__, reg, data);
 
-	if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+	err = i2c_transfer(state->i2c, &msg, 1);
+	if (err != 1) {
 		printk("%s: writereg error(err == %i, reg == 0x%02x,"
 			 " value == 0x%02x)\n", __func__, err, reg, data);
 		return -EREMOTEIO;
@@ -200,7 +205,8 @@ static int cx24116_writereg(struct cx24116_state* state, int reg, int data)
 }
 
 /* Bulk byte writes to a single I2C address, for 32k firmware load */
-static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16 len)
+static int cx24116_writeregN(struct cx24116_state *state, int reg,
+	u8 *data, u16 len)
 {
 	int ret = -EREMOTEIO;
 	struct i2c_msg msg;
@@ -221,11 +227,12 @@ static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16
 	msg.buf = buf;
 	msg.len = len + 1;
 
-	if (debug>1)
+	if (debug > 1)
 		printk("cx24116: %s:  write regN 0x%02x, len = %d\n",
-						__func__,reg, len);
+			__func__, reg, len);
 
-	if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+	ret = i2c_transfer(state->i2c, &msg, 1);
+	if (ret != 1) {
 		printk("%s: writereg error(err == %i, reg == 0x%02x\n",
 			 __func__, ret, reg);
 		ret = -EREMOTEIO;
@@ -237,14 +244,16 @@ error:
 	return ret;
 }
 
-static int cx24116_readreg(struct cx24116_state* state, u8 reg)
+static int cx24116_readreg(struct cx24116_state *state, u8 reg)
 {
 	int ret;
 	u8 b0[] = { reg };
 	u8 b1[] = { 0 };
 	struct i2c_msg msg[] = {
-		{ .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
-		{ .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 }
+		{ .addr = state->config->demod_address, .flags = 0,
+			.buf = b0, .len = 1 },
+		{ .addr = state->config->demod_address, .flags = I2C_M_RD,
+			.buf = b1, .len = 1 }
 	};
 
 	ret = i2c_transfer(state->i2c, msg, 2);
@@ -254,13 +263,14 @@ static int cx24116_readreg(struct cx24116_state* state, u8 reg)
 		return ret;
 	}
 
-	if (debug>1)
-		printk("cx24116: read reg 0x%02x, value 0x%02x\n",reg, b1[0]);
+	if (debug > 1)
+		printk("cx24116: read reg 0x%02x, value 0x%02x\n",
+			reg, b1[0]);
 
 	return b1[0];
 }
 
-static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_inversion_t inversion)
+static int cx24116_set_inversion(struct cx24116_state *state, fe_spectral_inversion_t inversion)
 {
 	dprintk("%s(%d)\n", __func__, inversion);
 
@@ -389,18 +399,16 @@ struct cx24116_modfec {
   */
 };
 
-static int cx24116_lookup_fecmod(struct cx24116_state* state,
+static int cx24116_lookup_fecmod(struct cx24116_state *state,
 	fe_modulation_t m, fe_code_rate_t f)
 {
 	int i, ret = -EOPNOTSUPP;
 
 	dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f);
 
-	for(i=0 ; i < sizeof(CX24116_MODFEC_MODES) / sizeof(struct cx24116_modfec) ; i++)
-	{
-		if( (m == CX24116_MODFEC_MODES[i].modulation) &&
-			(f == CX24116_MODFEC_MODES[i].fec) )
-			{
+	for (i = 0; i < ARRAY_SIZE(CX24116_MODFEC_MODES); i++) {
+		if ((m == CX24116_MODFEC_MODES[i].modulation) &&
+			(f == CX24116_MODFEC_MODES[i].fec)) {
 				ret = i;
 				break;
 			}
@@ -409,7 +417,7 @@ static int cx24116_lookup_fecmod(struct cx24116_state* state,
 	return ret;
 }
 
-static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_code_rate_t fec)
+static int cx24116_set_fec(struct cx24116_state *state, fe_modulation_t mod, fe_code_rate_t fec)
 {
 	int ret = 0;
 
@@ -417,7 +425,7 @@ static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_
 
 	ret = cx24116_lookup_fecmod(state, mod, fec);
 
-	if(ret < 0)
+	if (ret < 0)
 		return ret;
 
 	state->dnxt.fec = fec;
@@ -429,7 +437,7 @@ static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_
 	return 0;
 }
 
-static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate)
+static int cx24116_set_symbolrate(struct cx24116_state *state, u32 rate)
 {
 	dprintk("%s(%d)\n", __func__, rate);
 
@@ -446,18 +454,18 @@ static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate)
 	return 0;
 }
 
-static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw);
+static int cx24116_load_firmware(struct dvb_frontend *fe,
+	const struct firmware *fw);
 
-static int cx24116_firmware_ondemand(struct dvb_frontend* fe)
+static int cx24116_firmware_ondemand(struct dvb_frontend *fe)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	const struct firmware *fw;
 	int ret = 0;
 
-	dprintk("%s()\n",__func__);
+	dprintk("%s()\n", __func__);
 
-	if (cx24116_readreg(state, 0x20) > 0)
-	{
+	if (cx24116_readreg(state, 0x20) > 0) {
 
 		if (state->skip_fw_load)
 			return 0;
@@ -491,7 +499,7 @@ static int cx24116_firmware_ondemand(struct dvb_frontend* fe)
 }
 
 /* Take a basic firmware command structure, format it and forward it for processing */
-static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd)
+static int cx24116_cmd_execute(struct dvb_frontend *fe, struct cx24116_cmd *cmd)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	int i, ret;
@@ -499,26 +507,23 @@ static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd)
 	dprintk("%s()\n", __func__);
 
 	/* Load the firmware if required */
-	if ( (ret = cx24116_firmware_ondemand(fe)) != 0)
-	{
+	ret = cx24116_firmware_ondemand(fe);
+	if (ret != 0) {
 		printk("%s(): Unable initialise the firmware\n", __func__);
 		return ret;
 	}
 
 	/* Write the command */
-	for(i = 0; i < cmd->len ; i++)
-	{
+	for (i = 0; i < cmd->len ; i++) {
 		dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]);
 		cx24116_writereg(state, i, cmd->args[i]);
 	}
 
 	/* Start execution and wait for cmd to terminate */
 	cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01);
-	while( cx24116_readreg(state, CX24116_REG_EXECUTE) )
-	{
+	while (cx24116_readreg(state, CX24116_REG_EXECUTE)) {
 		msleep(10);
-		if(i++ > 64)
-		{
+		if (i++ > 64) {
 			/* Avoid looping forever if the firmware does no respond */
 			printk("%s() Firmware not responding\n", __func__);
 			return -EREMOTEIO;
@@ -527,21 +532,21 @@ static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd)
 	return 0;
 }
 
-static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
+static int cx24116_load_firmware(struct dvb_frontend *fe,
+	const struct firmware *fw)
 {
-	struct cx24116_state* state = fe->demodulator_priv;
+	struct cx24116_state *state = fe->demodulator_priv;
 	struct cx24116_cmd cmd;
 	int i, ret;
 	unsigned char vers[4];
 
 	dprintk("%s\n", __func__);
-	dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n"
-			,fw->size
-			,fw->data[0]
-			,fw->data[1]
-			,fw->data[ fw->size-2 ]
-			,fw->data[ fw->size-1 ]
-			);
+	dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n",
+			fw->size,
+			fw->data[0],
+			fw->data[1],
+			fw->data[fw->size-2],
+			fw->data[fw->size-1]);
 
 	/* Toggle 88x SRST pin to reset demod */
 	if (state->config->reset_device)
@@ -587,7 +592,7 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
 	cmd.args[0x07] = 0x9d;
 	cmd.args[0x08] = 0xfc;
 	cmd.args[0x09] = 0x06;
-	cmd.len= 0x0a;
+	cmd.len = 0x0a;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
@@ -598,7 +603,7 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
 	cmd.args[0x00] = CMD_TUNERINIT;
 	cmd.args[0x01] = 0x00;
 	cmd.args[0x02] = 0x00;
-	cmd.len= 0x03;
+	cmd.len = 0x03;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
@@ -615,20 +620,20 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
 	else
 		cmd.args[0x04] = 0x02;
 	cmd.args[0x05] = 0x00;
-	cmd.len= 0x06;
+	cmd.len = 0x06;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
 
 	/* Firmware CMD 35: Get firmware version */
 	cmd.args[0x00] = CMD_UPDFWVERS;
-	cmd.len= 0x02;
-	for(i=0; i<4; i++) {
+	cmd.len = 0x02;
+	for (i = 0; i < 4; i++) {
 		cmd.args[0x01] = i;
 		ret = cx24116_cmd_execute(fe, &cmd);
 		if (ret != 0)
 			return ret;
-		vers[i]= cx24116_readreg(state, CX24116_REG_MAILBOX);
+		vers[i] = cx24116_readreg(state, CX24116_REG_MAILBOX);
 	}
 	printk("%s: FW version %i.%i.%i.%i\n", __func__,
 		vers[0], vers[1], vers[2], vers[3]);
@@ -636,15 +641,17 @@ static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware
 	return 0;
 }
 
-static int cx24116_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
+static int cx24116_set_voltage(struct dvb_frontend *fe,
+	fe_sec_voltage_t voltage)
 {
 	/* The isl6421 module will override this function in the fops. */
-	dprintk("%s() This should never appear if the isl6421 module is loaded correctly\n",__func__);
+	dprintk("%s() This should never appear if the isl6421 module "
+		"is loaded correctly\n", __func__);
 
 	return -EOPNOTSUPP;
 }
 
-static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status)
+static int cx24116_read_status(struct dvb_frontend *fe, fe_status_t *status)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 
@@ -666,22 +673,23 @@ static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status)
 	return 0;
 }
 
-static int cx24116_read_ber(struct dvb_frontend* fe, u32* ber)
+static int cx24116_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 
 	dprintk("%s()\n", __func__);
 
-	*ber =  ( cx24116_readreg(state, CX24116_REG_BER24) << 24 ) |
-		( cx24116_readreg(state, CX24116_REG_BER16) << 16 ) |
-		( cx24116_readreg(state, CX24116_REG_BER8 ) << 8  ) |
-		  cx24116_readreg(state, CX24116_REG_BER0 );
+	*ber =  (cx24116_readreg(state, CX24116_REG_BER24) << 24) |
+		(cx24116_readreg(state, CX24116_REG_BER16) << 16) |
+		(cx24116_readreg(state, CX24116_REG_BER8)  << 8)  |
+		 cx24116_readreg(state, CX24116_REG_BER0);
 
 	return 0;
 }
 
 /* TODO Determine function and scale appropriately */
-static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
+static int cx24116_read_signal_strength(struct dvb_frontend *fe,
+	u16 *signal_strength)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	struct cx24116_cmd cmd;
@@ -692,39 +700,43 @@ static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_str
 
 	/* Firmware CMD 19: Get AGC */
 	cmd.args[0x00] = CMD_GETAGC;
-	cmd.len= 0x01;
+	cmd.len = 0x01;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
 
-	sig_reading = ( cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK ) |
-		( cx24116_readreg(state, CX24116_REG_SIGNAL) << 6 );
-	*signal_strength= 0 - sig_reading;
+	sig_reading =
+		(cx24116_readreg(state,
+			CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK) |
+		(cx24116_readreg(state, CX24116_REG_SIGNAL) << 6);
+	*signal_strength = 0 - sig_reading;
 
-	dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n", __func__, sig_reading, *signal_strength);
+	dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n",
+		__func__, sig_reading, *signal_strength);
 
 	return 0;
 }
 
 /* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */
-static int cx24116_read_snr_pct(struct dvb_frontend* fe, u16* snr)
+static int cx24116_read_snr_pct(struct dvb_frontend *fe, u16 *snr)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	u8 snr_reading;
 	static const u32 snr_tab[] = { /* 10 x Table (rounded up) */
-		0x00000,0x0199A,0x03333,0x04ccD,0x06667,
-			0x08000,0x0999A,0x0b333,0x0cccD,0x0e667,
-		0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 };
+		0x00000, 0x0199A, 0x03333, 0x04ccD, 0x06667,
+		0x08000, 0x0999A, 0x0b333, 0x0cccD, 0x0e667,
+		0x10000, 0x1199A, 0x13333, 0x14ccD, 0x16667,
+		0x18000 };
 
 	dprintk("%s()\n", __func__);
 
 	snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY0);
 
-	if(snr_reading >= 0xa0 /* 100% */)
+	if (snr_reading >= 0xa0 /* 100% */)
 		*snr = 0xffff;
 	else
-		*snr = snr_tab [ ( snr_reading & 0xf0 )   >> 4 ] +
-			( snr_tab [ ( snr_reading & 0x0f ) ] >> 4 );
+		*snr = snr_tab[(snr_reading & 0xf0) >> 4] +
+			(snr_tab[(snr_reading & 0x0f)] >> 4);
 
 	dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__,
 		snr_reading, *snr);
@@ -736,7 +748,7 @@ static int cx24116_read_snr_pct(struct dvb_frontend* fe, u16* snr)
  * ESNO, from 0->30db (values 0->300). We provide this value by
  * default.
  */
-static int cx24116_read_snr_esno(struct dvb_frontend* fe, u16* snr)
+static int cx24116_read_snr_esno(struct dvb_frontend *fe, u16 *snr)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 
@@ -750,7 +762,7 @@ static int cx24116_read_snr_esno(struct dvb_frontend* fe, u16* snr)
 	return 0;
 }
 
-static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr)
+static int cx24116_read_snr(struct dvb_frontend *fe, u16 *snr)
 {
 	if (esno_snr == 1)
 		return cx24116_read_snr_esno(fe, snr);
@@ -758,27 +770,27 @@ static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr)
 		return cx24116_read_snr_pct(fe, snr);
 }
 
-static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+static int cx24116_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 
 	dprintk("%s()\n", __func__);
 
-	*ucblocks = ( cx24116_readreg(state, CX24116_REG_UCB8) << 8 ) |
+	*ucblocks = (cx24116_readreg(state, CX24116_REG_UCB8) << 8) |
 		cx24116_readreg(state, CX24116_REG_UCB0);
 
 	return 0;
 }
 
 /* Overwrite the current tuning params, we are about to tune */
-static void cx24116_clone_params(struct dvb_frontend* fe)
+static void cx24116_clone_params(struct dvb_frontend *fe)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur));
 }
 
 /* Wait for LNB */
-static int cx24116_wait_for_lnb(struct dvb_frontend* fe)
+static int cx24116_wait_for_lnb(struct dvb_frontend *fe)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	int i;
@@ -787,7 +799,7 @@ static int cx24116_wait_for_lnb(struct dvb_frontend* fe)
 		cx24116_readreg(state, CX24116_REG_QSTATUS));
 
 	/* Wait for up to 300 ms */
-	for(i = 0; i < 30 ; i++) {
+	for (i = 0; i < 30 ; i++) {
 		if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20)
 			return 0;
 		msleep(10);
@@ -798,20 +810,21 @@ static int cx24116_wait_for_lnb(struct dvb_frontend* fe)
 	return -ETIMEDOUT; /* -EBUSY ? */
 }
 
-static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
+static int cx24116_set_tone(struct dvb_frontend *fe,
+	fe_sec_tone_mode_t tone)
 {
 	struct cx24116_cmd cmd;
 	int ret;
 
 	dprintk("%s(%d)\n", __func__, tone);
-	if ( (tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF) ) {
+	if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) {
 		printk("%s: Invalid, tone=%d\n", __func__, tone);
 		return -EINVAL;
 	}
 
 	/* Wait for LNB ready */
 	ret = cx24116_wait_for_lnb(fe);
-	if(ret != 0)
+	if (ret != 0)
 		return ret;
 
 	/* Min delay time after DiSEqC send */
@@ -820,7 +833,7 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 	/* This is always done before the tone is set */
 	cmd.args[0x00] = CMD_SET_TONEPRE;
 	cmd.args[0x01] = 0x00;
-	cmd.len= 0x02;
+	cmd.len = 0x02;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
@@ -836,11 +849,11 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 		cmd.args[0x03] = 0x01;
 		break;
 	case SEC_TONE_OFF:
-		dprintk("%s: setting tone off\n",__func__);
+		dprintk("%s: setting tone off\n", __func__);
 		cmd.args[0x03] = 0x00;
 		break;
 	}
-	cmd.len= 0x04;
+	cmd.len = 0x04;
 
 	/* Min delay time before DiSEqC send */
 	msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */
@@ -849,7 +862,7 @@ static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 }
 
 /* Initialise DiSEqC */
-static int cx24116_diseqc_init(struct dvb_frontend* fe)
+static int cx24116_diseqc_init(struct dvb_frontend *fe)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	struct cx24116_cmd cmd;
@@ -864,7 +877,7 @@ static int cx24116_diseqc_init(struct dvb_frontend* fe)
 	cmd.args[0x05] = 0x28;
 	cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01;
 	cmd.args[0x07] = 0x01;
-	cmd.len= 0x08;
+	cmd.len = 0x08;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
@@ -884,13 +897,14 @@ static int cx24116_diseqc_init(struct dvb_frontend* fe)
 	state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00;
 
 	/* Command length */
-	state->dsec_cmd.len= CX24116_DISEQC_MSGOFS;
+	state->dsec_cmd.len = CX24116_DISEQC_MSGOFS;
 
 	return 0;
 }
 
 /* Send DiSEqC message with derived burst (hack) || previous burst */
-static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *d)
+static int cx24116_send_diseqc_msg(struct dvb_frontend *fe,
+	struct dvb_diseqc_master_cmd *d)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	int i, ret;
@@ -898,16 +912,16 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
 	/* Dump DiSEqC message */
 	if (debug) {
 		printk("cx24116: %s(", __func__);
-		for(i = 0 ; i < d->msg_len ;) {
+		for (i = 0 ; i < d->msg_len ;) {
 			printk("0x%02x", d->msg[i]);
-			if(++i < d->msg_len)
+			if (++i < d->msg_len)
 				printk(", ");
-			}
+		}
 		printk(") toneburst=%d\n", toneburst);
 	}
 
 	/* Validate length */
-	if(d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS))
+	if (d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS))
 		return -EINVAL;
 
 	/* DiSEqC message */
@@ -918,18 +932,19 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
 	state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len;
 
 	/* Command length */
-	state->dsec_cmd.len= CX24116_DISEQC_MSGOFS + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN];
+	state->dsec_cmd.len = CX24116_DISEQC_MSGOFS +
+		state->dsec_cmd.args[CX24116_DISEQC_MSGLEN];
 
 	/* DiSEqC toneburst */
-	if(toneburst == CX24116_DISEQC_MESGCACHE)
+	if (toneburst == CX24116_DISEQC_MESGCACHE)
 		/* Message is cached */
 		return 0;
 
-	else if(toneburst == CX24116_DISEQC_TONEOFF)
+	else if (toneburst == CX24116_DISEQC_TONEOFF)
 		/* Message is sent without burst */
 		state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0;
 
-	else if(toneburst == CX24116_DISEQC_TONECACHE) {
+	else if (toneburst == CX24116_DISEQC_TONECACHE) {
 		/*
 		 * Message is sent with derived else cached burst
 		 *
@@ -948,15 +963,17 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
 		 *              Y = VOLTAGE             (0=13V, 1=18V)
 		 *              Z = BAND                (0=LOW, 1=HIGH(22K))
 		 */
-		if(d->msg_len >= 4 && d->msg[2] == 0x38)
-			state->dsec_cmd.args[CX24116_DISEQC_BURST] = ((d->msg[3] & 4) >> 2);
-		if(debug)
-			dprintk("%s burst=%d\n", __func__, state->dsec_cmd.args[CX24116_DISEQC_BURST]);
+		if (d->msg_len >= 4 && d->msg[2] == 0x38)
+			state->dsec_cmd.args[CX24116_DISEQC_BURST] =
+				((d->msg[3] & 4) >> 2);
+		if (debug)
+			dprintk("%s burst=%d\n", __func__,
+				state->dsec_cmd.args[CX24116_DISEQC_BURST]);
 	}
 
 	/* Wait for LNB ready */
 	ret = cx24116_wait_for_lnb(fe);
-	if(ret != 0)
+	if (ret != 0)
 		return ret;
 
 	/* Wait for voltage/min repeat delay */
@@ -964,7 +981,7 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
 
 	/* Command */
 	ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
-	if(ret != 0)
+	if (ret != 0)
 		return ret;
 	/*
 	 * Wait for send
@@ -976,29 +993,33 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
 	 *  12.5ms burst        +
 	 * >15ms delay            (XXX determine if FW does this, see set_tone)
 	 */
-	msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60) );
+	msleep((state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) +
+		((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60));
 
 	return 0;
 }
 
 /* Send DiSEqC burst */
-static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
+static int cx24116_diseqc_send_burst(struct dvb_frontend *fe,
+	fe_sec_mini_cmd_t burst)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	int ret;
 
-	dprintk("%s(%d) toneburst=%d\n",__func__, burst, toneburst);
+	dprintk("%s(%d) toneburst=%d\n", __func__, burst, toneburst);
 
 	/* DiSEqC burst */
 	if (burst == SEC_MINI_A)
-		state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A;
-	else if(burst == SEC_MINI_B)
-		state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B;
+		state->dsec_cmd.args[CX24116_DISEQC_BURST] =
+			CX24116_DISEQC_MINI_A;
+	else if (burst == SEC_MINI_B)
+		state->dsec_cmd.args[CX24116_DISEQC_BURST] =
+			CX24116_DISEQC_MINI_B;
 	else
 		return -EINVAL;
 
 	/* DiSEqC toneburst */
-	if(toneburst != CX24116_DISEQC_MESGCACHE)
+	if (toneburst != CX24116_DISEQC_MESGCACHE)
 		/* Burst is cached */
 		return 0;
 
@@ -1006,7 +1027,7 @@ static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
 
 	/* Wait for LNB ready */
 	ret = cx24116_wait_for_lnb(fe);
-	if(ret != 0)
+	if (ret != 0)
 		return ret;
 
 	/* Wait for voltage/min repeat delay */
@@ -1014,7 +1035,7 @@ static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
 
 	/* Command */
 	ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
-	if(ret != 0)
+	if (ret != 0)
 		return ret;
 
 	/*
@@ -1027,27 +1048,27 @@ static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
 	 *  12.5ms burst        +
 	 * >15ms delay            (XXX determine if FW does this, see set_tone)
 	 */
-	msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 );
+	msleep((state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60);
 
 	return 0;
 }
 
-static void cx24116_release(struct dvb_frontend* fe)
+static void cx24116_release(struct dvb_frontend *fe)
 {
-	struct cx24116_state* state = fe->demodulator_priv;
-	dprintk("%s\n",__func__);
+	struct cx24116_state *state = fe->demodulator_priv;
+	dprintk("%s\n", __func__);
 	kfree(state);
 }
 
 static struct dvb_frontend_ops cx24116_ops;
 
-struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
-				    struct i2c_adapter* i2c)
+struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
+	struct i2c_adapter *i2c)
 {
-	struct cx24116_state* state = NULL;
+	struct cx24116_state *state = NULL;
 	int ret;
 
-	dprintk("%s\n",__func__);
+	dprintk("%s\n", __func__);
 
 	/* allocate memory for the internal state */
 	state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL);
@@ -1077,18 +1098,20 @@ struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
 error2: kfree(state);
 error1: return NULL;
 }
+EXPORT_SYMBOL(cx24116_attach);
+
 /*
  * Initialise or wake up device
  *
  * Power config will reset and load initial firmware if required
  */
-static int cx24116_initfe(struct dvb_frontend* fe)
+static int cx24116_initfe(struct dvb_frontend *fe)
 {
-	struct cx24116_state* state = fe->demodulator_priv;
+	struct cx24116_state *state = fe->demodulator_priv;
 	struct cx24116_cmd cmd;
 	int ret;
 
-	dprintk("%s()\n",__func__);
+	dprintk("%s()\n", __func__);
 
 	/* Power on */
 	cx24116_writereg(state, 0xe0, 0);
@@ -1098,9 +1121,9 @@ static int cx24116_initfe(struct dvb_frontend* fe)
 	/* Firmware CMD 36: Power config */
 	cmd.args[0x00] = CMD_TUNERSLEEP;
 	cmd.args[0x01] = 0;
-	cmd.len= 0x02;
+	cmd.len = 0x02;
 	ret = cx24116_cmd_execute(fe, &cmd);
-	if(ret != 0)
+	if (ret != 0)
 		return ret;
 
 	return cx24116_diseqc_init(fe);
@@ -1109,20 +1132,20 @@ static int cx24116_initfe(struct dvb_frontend* fe)
 /*
  * Put device to sleep
  */
-static int cx24116_sleep(struct dvb_frontend* fe)
+static int cx24116_sleep(struct dvb_frontend *fe)
 {
-	struct cx24116_state* state = fe->demodulator_priv;
+	struct cx24116_state *state = fe->demodulator_priv;
 	struct cx24116_cmd cmd;
 	int ret;
 
-	dprintk("%s()\n",__func__);
+	dprintk("%s()\n", __func__);
 
 	/* Firmware CMD 36: Power config */
 	cmd.args[0x00] = CMD_TUNERSLEEP;
 	cmd.args[0x01] = 1;
-	cmd.len= 0x02;
+	cmd.len = 0x02;
 	ret = cx24116_cmd_execute(fe, &cmd);
-	if(ret != 0)
+	if (ret != 0)
 		return ret;
 
 	/* Power off (Shutdown clocks) */
@@ -1133,13 +1156,15 @@ static int cx24116_sleep(struct dvb_frontend* fe)
 	return 0;
 }
 
-static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp)
+static int cx24116_set_property(struct dvb_frontend *fe,
+	struct dtv_property *tvp)
 {
 	dprintk("%s(..)\n", __func__);
 	return 0;
 }
 
-static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tvp)
+static int cx24116_get_property(struct dvb_frontend *fe,
+	struct dtv_property *tvp)
 {
 	dprintk("%s(..)\n", __func__);
 	return 0;
@@ -1148,7 +1173,8 @@ static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tv
 /* dvb-core told us to tune, the tv property cache will be complete,
  * it's safe for is to pull values and use them for tuning purposes.
  */
-static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx24116_set_frontend(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *p)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
@@ -1156,96 +1182,99 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 	fe_status_t tunerstat;
 	int i, status, ret, retune;
 
-	dprintk("%s()\n",__func__);
+	dprintk("%s()\n", __func__);
 
-	switch(c->delivery_system) {
-		case SYS_DVBS:
-			dprintk("%s: DVB-S delivery system selected\n",__func__);
+	switch (c->delivery_system) {
+	case SYS_DVBS:
+		dprintk("%s: DVB-S delivery system selected\n", __func__);
 
-			/* Only QPSK is supported for DVB-S */
-			if(c->modulation != QPSK) {
-				dprintk("%s: unsupported modulation selected (%d)\n",
-					__func__, c->modulation);
-				return -EOPNOTSUPP;
-			}
+		/* Only QPSK is supported for DVB-S */
+		if (c->modulation != QPSK) {
+			dprintk("%s: unsupported modulation selected (%d)\n",
+				__func__, c->modulation);
+			return -EOPNOTSUPP;
+		}
 
-			/* Pilot doesn't exist in DVB-S, turn bit off */
-			state->dnxt.pilot_val = CX24116_PILOT_OFF;
-			retune = 1;
+		/* Pilot doesn't exist in DVB-S, turn bit off */
+		state->dnxt.pilot_val = CX24116_PILOT_OFF;
+		retune = 1;
 
-			/* DVB-S only supports 0.35 */
-			if(c->rolloff != ROLLOFF_35) {
-				dprintk("%s: unsupported rolloff selected (%d)\n",
-					__func__, c->rolloff);
-				return -EOPNOTSUPP;
-			}
-			state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
-			break;
+		/* DVB-S only supports 0.35 */
+		if (c->rolloff != ROLLOFF_35) {
+			dprintk("%s: unsupported rolloff selected (%d)\n",
+				__func__, c->rolloff);
+			return -EOPNOTSUPP;
+		}
+		state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
+		break;
 
-		case SYS_DVBS2:
-			dprintk("%s: DVB-S2 delivery system selected\n",__func__);
-
-			/*
-			 * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2,
-			 * but not hardware auto detection
-			 */
-			if(c->modulation != PSK_8 && c->modulation != QPSK) {
-				dprintk("%s: unsupported modulation selected (%d)\n",
-					__func__, c->modulation);
-				return -EOPNOTSUPP;
-			}
+	case SYS_DVBS2:
+		dprintk("%s: DVB-S2 delivery system selected\n", __func__);
 
-			switch(c->pilot) {
-				case PILOT_AUTO:	/* Not supported but emulated */
-					retune = 2;	/* Fall-through */
-				case PILOT_OFF:
-					state->dnxt.pilot_val = CX24116_PILOT_OFF;
-					break;
-				case PILOT_ON:
-					state->dnxt.pilot_val = CX24116_PILOT_ON;
-					break;
-				default:
-					dprintk("%s: unsupported pilot mode selected (%d)\n",
-						__func__, c->pilot);
-					return -EOPNOTSUPP;
-			}
+		/*
+		 * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2,
+		 * but not hardware auto detection
+		 */
+		if (c->modulation != PSK_8 && c->modulation != QPSK) {
+			dprintk("%s: unsupported modulation selected (%d)\n",
+				__func__, c->modulation);
+			return -EOPNOTSUPP;
+		}
 
-			switch(c->rolloff) {
-				case ROLLOFF_20:
-					state->dnxt.rolloff_val= CX24116_ROLLOFF_020;
-					break;
-				case ROLLOFF_25:
-					state->dnxt.rolloff_val= CX24116_ROLLOFF_025;
-					break;
-				case ROLLOFF_35:
-					state->dnxt.rolloff_val= CX24116_ROLLOFF_035;
-					break;
-				case ROLLOFF_AUTO:	/* Rolloff must be explicit */
-				default:
-					dprintk("%s: unsupported rolloff selected (%d)\n",
-						__func__, c->rolloff);
-					return -EOPNOTSUPP;
-			}
+		switch (c->pilot) {
+		case PILOT_AUTO:	/* Not supported but emulated */
+			retune = 2;	/* Fall-through */
+		case PILOT_OFF:
+			state->dnxt.pilot_val = CX24116_PILOT_OFF;
+			break;
+		case PILOT_ON:
+			state->dnxt.pilot_val = CX24116_PILOT_ON;
 			break;
+		default:
+			dprintk("%s: unsupported pilot mode selected (%d)\n",
+				__func__, c->pilot);
+			return -EOPNOTSUPP;
+		}
 
+		switch (c->rolloff) {
+		case ROLLOFF_20:
+			state->dnxt.rolloff_val = CX24116_ROLLOFF_020;
+			break;
+		case ROLLOFF_25:
+			state->dnxt.rolloff_val = CX24116_ROLLOFF_025;
+			break;
+		case ROLLOFF_35:
+			state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
+			break;
+		case ROLLOFF_AUTO:	/* Rolloff must be explicit */
 		default:
-			dprintk("%s: unsupported delivery system selected (%d)\n",
-				__func__, c->delivery_system);
+			dprintk("%s: unsupported rolloff selected (%d)\n",
+				__func__, c->rolloff);
 			return -EOPNOTSUPP;
+		}
+		break;
+
+	default:
+		dprintk("%s: unsupported delivery system selected (%d)\n",
+			__func__, c->delivery_system);
+		return -EOPNOTSUPP;
 	}
 	state->dnxt.modulation = c->modulation;
 	state->dnxt.frequency = c->frequency;
 	state->dnxt.pilot = c->pilot;
 	state->dnxt.rolloff = c->rolloff;
 
-	if ((ret = cx24116_set_inversion(state, c->inversion)) !=  0)
+	ret = cx24116_set_inversion(state, c->inversion);
+	if (ret !=  0)
 		return ret;
 
 	/* FEC_NONE/AUTO for DVB-S2 is not supported and detected here */
-	if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) !=  0)
+	ret = cx24116_set_fec(state, c->modulation, c->fec_inner);
+	if (ret !=  0)
 		return ret;
 
-	if ((ret = cx24116_set_symbolrate(state, c->symbol_rate)) !=  0)
+	ret = cx24116_set_symbolrate(state, c->symbol_rate);
+	if (ret !=  0)
 		return ret;
 
 	/* discard the 'current' tuning parameters and prepare to tune */
@@ -1271,7 +1300,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 	/* Set/Reset B/W */
 	cmd.args[0x00] = CMD_BANDWIDTH;
 	cmd.args[0x01] = 0x01;
-	cmd.len= 0x02;
+	cmd.len = 0x02;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
@@ -1319,7 +1348,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 		cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00);
 	}
 
-	cmd.len= 0x13;
+	cmd.len = 0x13;
 
 	/* We need to support pilot and non-pilot tuning in the
 	 * driver automatically. This is a workaround for because
@@ -1327,12 +1356,13 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 	 */
 	do {
 		/* Reset status register */
-		status = cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK;
+		status = cx24116_readreg(state, CX24116_REG_SSTATUS)
+			& CX24116_SIGNAL_MASK;
 		cx24116_writereg(state, CX24116_REG_SSTATUS, status);
 
 		/* Tune */
 		ret = cx24116_cmd_execute(fe, &cmd);
-		if( ret != 0 )
+		if (ret != 0)
 			break;
 
 		/*
@@ -1341,28 +1371,27 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 		 * If we are able to tune then generally it occurs within 100ms.
 		 * If it takes longer, try a different toneburst setting.
 		 */
-		for(i = 0; i < 50 ; i++) {
+		for (i = 0; i < 50 ; i++) {
 			cx24116_read_status(fe, &tunerstat);
 			status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC);
-			if(status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) {
-				dprintk("%s: Tuned\n",__func__);
+			if (status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) {
+				dprintk("%s: Tuned\n", __func__);
 				goto tuned;
 			}
 			msleep(10);
 		}
 
-		dprintk("%s: Not tuned\n",__func__);
+		dprintk("%s: Not tuned\n", __func__);
 
 		/* Toggle pilot bit when in auto-pilot */
-		if(state->dcur.pilot == PILOT_AUTO)
+		if (state->dcur.pilot == PILOT_AUTO)
 			cmd.args[0x07] ^= CX24116_PILOT_ON;
-	}
-	while(--retune);
+	} while (--retune);
 
 tuned:  /* Set/Reset B/W */
 	cmd.args[0x00] = CMD_BANDWIDTH;
 	cmd.args[0x01] = 0x00;
-	cmd.len= 0x02;
+	cmd.len = 0x02;
 	ret = cx24116_cmd_execute(fe, &cmd);
 	if (ret != 0)
 		return ret;
@@ -1407,17 +1436,7 @@ static struct dvb_frontend_ops cx24116_ops = {
 	.set_frontend = cx24116_set_frontend,
 };
 
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
-
-module_param(toneburst, int, 0644);
-MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)");
-
-module_param(esno_snr, int, 0644);
-MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:0)");
-
 MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware");
 MODULE_AUTHOR("Steven Toth");
 MODULE_LICENSE("GPL");
 
-EXPORT_SYMBOL(cx24116_attach);
diff --git a/drivers/media/dvb/frontends/cx24116.h b/drivers/media/dvb/frontends/cx24116.h
index 2b09e10872f..4cb3ddd6c62 100644
--- a/drivers/media/dvb/frontends/cx24116.h
+++ b/drivers/media/dvb/frontends/cx24116.h
@@ -23,31 +23,32 @@
 
 #include <linux/dvb/frontend.h>
 
-struct cx24116_config
-{
+struct cx24116_config {
 	/* the demodulator's i2c address */
 	u8 demod_address;
 
 	/* Need to set device param for start_dma */
-	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
 
 	/* Need to reset device during firmware loading */
-	int (*reset_device)(struct dvb_frontend* fe);
+	int (*reset_device)(struct dvb_frontend *fe);
 
 	/* Need to set MPEG parameters */
 	u8 mpg_clk_pos_pol:0x02;
 };
 
 #if defined(CONFIG_DVB_CX24116) || defined(CONFIG_DVB_CX24116_MODULE)
-extern struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
-					   struct i2c_adapter* i2c);
+extern struct dvb_frontend *cx24116_attach(
+	const struct cx24116_config *config,
+	struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
-						  struct i2c_adapter* i2c)
+static inline struct dvb_frontend *cx24116_attach(
+	const struct cx24116_config *config,
+	struct i2c_adapter *i2c)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
-#endif // CONFIG_DVB_CX24116
+#endif
 
 #endif /* CX24116_H */
-- 
GitLab


From 5c2a164aade7e936f1bf4852cbae12ea1092194a Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:22:57 -0300
Subject: [PATCH 1070/2224] V4L/DVB (9255): tda10048: Checkpatch compliance

tda10048: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/tda10048.c | 100 ++++++++++++++++++-------
 1 file changed, 73 insertions(+), 27 deletions(-)

diff --git a/drivers/media/dvb/frontends/tda10048.c b/drivers/media/dvb/frontends/tda10048.c
index 04e7f1cc140..2a8bbcd44cd 100644
--- a/drivers/media/dvb/frontends/tda10048.c
+++ b/drivers/media/dvb/frontends/tda10048.c
@@ -195,7 +195,7 @@ static struct init_tab {
 static int tda10048_writereg(struct tda10048_state *state, u8 reg, u8 data)
 {
 	int ret;
-	u8 buf [] = { reg, data };
+	u8 buf[] = { reg, data };
 	struct i2c_msg msg = {
 		.addr = state->config->demod_address,
 		.flags = 0, .buf = buf, .len = 2 };
@@ -213,9 +213,9 @@ static int tda10048_writereg(struct tda10048_state *state, u8 reg, u8 data)
 static u8 tda10048_readreg(struct tda10048_state *state, u8 reg)
 {
 	int ret;
-	u8 b0 [] = { reg };
-	u8 b1 [] = { 0 };
-	struct i2c_msg msg [] = {
+	u8 b0[] = { reg };
+	u8 b1[] = { 0 };
+	struct i2c_msg msg[] = {
 		{ .addr = state->config->demod_address,
 			.flags = 0, .buf = b0, .len = 1 },
 		{ .addr = state->config->demod_address,
@@ -393,43 +393,89 @@ static int tda10048_get_tps(struct tda10048_state *state,
 
 	val = tda10048_readreg(state, TDA10048_OUT_CONF2);
 	switch ((val & 0x60) >> 5) {
-	case 0: p->constellation =   QPSK; break;
-	case 1: p->constellation = QAM_16; break;
-	case 2: p->constellation = QAM_64; break;
+	case 0:
+		p->constellation = QPSK;
+		break;
+	case 1:
+		p->constellation = QAM_16;
+		break;
+	case 2:
+		p->constellation = QAM_64;
+		break;
 	}
 	switch ((val & 0x18) >> 3) {
-	case 0: p->hierarchy_information = HIERARCHY_NONE; break;
-	case 1: p->hierarchy_information =    HIERARCHY_1; break;
-	case 2: p->hierarchy_information =    HIERARCHY_2; break;
-	case 3: p->hierarchy_information =    HIERARCHY_4; break;
+	case 0:
+		p->hierarchy_information = HIERARCHY_NONE;
+		break;
+	case 1:
+		p->hierarchy_information = HIERARCHY_1;
+		break;
+	case 2:
+		p->hierarchy_information = HIERARCHY_2;
+		break;
+	case 3:
+		p->hierarchy_information = HIERARCHY_4;
+		break;
 	}
 	switch (val & 0x07) {
-	case 0: p->code_rate_HP = FEC_1_2; break;
-	case 1: p->code_rate_HP = FEC_2_3; break;
-	case 2: p->code_rate_HP = FEC_3_4; break;
-	case 3: p->code_rate_HP = FEC_5_6; break;
-	case 4: p->code_rate_HP = FEC_7_8; break;
+	case 0:
+		p->code_rate_HP = FEC_1_2;
+		break;
+	case 1:
+		p->code_rate_HP = FEC_2_3;
+		break;
+	case 2:
+		p->code_rate_HP = FEC_3_4;
+		break;
+	case 3:
+		p->code_rate_HP = FEC_5_6;
+		break;
+	case 4:
+		p->code_rate_HP = FEC_7_8;
+		break;
 	}
 
 	val = tda10048_readreg(state, TDA10048_OUT_CONF3);
 	switch (val & 0x07) {
-	case 0: p->code_rate_LP = FEC_1_2; break;
-	case 1: p->code_rate_LP = FEC_2_3; break;
-	case 2: p->code_rate_LP = FEC_3_4; break;
-	case 3: p->code_rate_LP = FEC_5_6; break;
-	case 4: p->code_rate_LP = FEC_7_8; break;
+	case 0:
+		p->code_rate_LP = FEC_1_2;
+		break;
+	case 1:
+		p->code_rate_LP = FEC_2_3;
+		break;
+	case 2:
+		p->code_rate_LP = FEC_3_4;
+		break;
+	case 3:
+		p->code_rate_LP = FEC_5_6;
+		break;
+	case 4:
+		p->code_rate_LP = FEC_7_8;
+		break;
 	}
 
 	val = tda10048_readreg(state, TDA10048_OUT_CONF1);
 	switch ((val & 0x0c) >> 2) {
-	case 0: p->guard_interval = GUARD_INTERVAL_1_32; break;
-	case 1: p->guard_interval = GUARD_INTERVAL_1_16; break;
-	case 2: p->guard_interval =  GUARD_INTERVAL_1_8; break;
-	case 3: p->guard_interval =  GUARD_INTERVAL_1_4; break;
+	case 0:
+		p->guard_interval = GUARD_INTERVAL_1_32;
+		break;
+	case 1:
+		p->guard_interval = GUARD_INTERVAL_1_16;
+		break;
+	case 2:
+		p->guard_interval =  GUARD_INTERVAL_1_8;
+		break;
+	case 3:
+		p->guard_interval =  GUARD_INTERVAL_1_4;
+		break;
 	}
 	switch (val & 0x02) {
-	case 0: p->transmission_mode = TRANSMISSION_MODE_2K; break;
-	case 1: p->transmission_mode = TRANSMISSION_MODE_8K; break;
+	case 0:
+		p->transmission_mode = TRANSMISSION_MODE_2K;
+		break;
+	case 1:
+		p->transmission_mode = TRANSMISSION_MODE_8K;
+		break;
 	}
 
 	return 0;
-- 
GitLab


From 4e3599a5f0c4c5be15e31d802c94b4593d9af9c9 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:23:45 -0300
Subject: [PATCH 1071/2224] V4L/DVB (9256): cx22702: Checkpatch compliance

cx22702: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/cx22702.c | 506 ++++++++++++++++----------
 drivers/media/dvb/frontends/cx22702.h |  20 +-
 2 files changed, 317 insertions(+), 209 deletions(-)

diff --git a/drivers/media/dvb/frontends/cx22702.c b/drivers/media/dvb/frontends/cx22702.c
index 9430e03dba6..5d1abe34bdd 100644
--- a/drivers/media/dvb/frontends/cx22702.c
+++ b/drivers/media/dvb/frontends/cx22702.c
@@ -34,13 +34,12 @@
 #include "dvb_frontend.h"
 #include "cx22702.h"
 
-
 struct cx22702_state {
 
-	struct i2c_adapter* i2c;
+	struct i2c_adapter *i2c;
 
 	/* configuration settings */
-	const struct cx22702_config* config;
+	const struct cx22702_config *config;
 
 	struct dvb_frontend frontend;
 
@@ -49,10 +48,13 @@ struct cx22702_state {
 };
 
 static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Enable verbose debug messages");
+
 #define dprintk	if (debug) printk
 
 /* Register values to initialise the demod */
-static u8 init_tab [] = {
+static u8 init_tab[] = {
 	0x00, 0x00, /* Stop aquisition */
 	0x0B, 0x06,
 	0x09, 0x01,
@@ -80,65 +82,67 @@ static u8 init_tab [] = {
 	0xfd, 0x00,
 };
 
-static int cx22702_writereg (struct cx22702_state* state, u8 reg, u8 data)
+static int cx22702_writereg(struct cx22702_state *state, u8 reg, u8 data)
 {
 	int ret;
-	u8 buf [] = { reg, data };
-	struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
+	u8 buf[] = { reg, data };
+	struct i2c_msg msg = {
+		.addr = state->config->demod_address, .flags = 0,
+			.buf = buf, .len = 2 };
 
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		printk("%s: writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+		printk(KERN_ERR
+			"%s: error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
 			__func__, reg, data, ret);
 
 	return (ret != 1) ? -1 : 0;
 }
 
-static u8 cx22702_readreg (struct cx22702_state* state, u8 reg)
+static u8 cx22702_readreg(struct cx22702_state *state, u8 reg)
 {
 	int ret;
-	u8 b0 [] = { reg };
-	u8 b1 [] = { 0 };
+	u8 b0[] = { reg };
+	u8 b1[] = { 0 };
 
-	struct i2c_msg msg [] = {
-		{ .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
-		{ .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
+	struct i2c_msg msg[] = {
+		{ .addr = state->config->demod_address, .flags = 0,
+			.buf = b0, .len = 1 },
+		{ .addr = state->config->demod_address, .flags = I2C_M_RD,
+			.buf = b1, .len = 1 } };
 
 	ret = i2c_transfer(state->i2c, msg, 2);
 
 	if (ret != 2)
-		printk("%s: readreg error (ret == %i)\n", __func__, ret);
+		printk(KERN_ERR "%s: readreg error (ret == %i)\n",
+			__func__, ret);
 
 	return b1[0];
 }
 
-static int cx22702_set_inversion (struct cx22702_state *state, int inversion)
+static int cx22702_set_inversion(struct cx22702_state *state, int inversion)
 {
 	u8 val;
 
 	switch (inversion) {
-
-		case INVERSION_AUTO:
-			return -EOPNOTSUPP;
-
-		case INVERSION_ON:
-			val = cx22702_readreg (state, 0x0C);
-			return cx22702_writereg (state, 0x0C, val | 0x01);
-
-		case INVERSION_OFF:
-			val = cx22702_readreg (state, 0x0C);
-			return cx22702_writereg (state, 0x0C, val & 0xfe);
-
-		default:
-			return -EINVAL;
-
+	case INVERSION_AUTO:
+		return -EOPNOTSUPP;
+	case INVERSION_ON:
+		val = cx22702_readreg(state, 0x0C);
+		return cx22702_writereg(state, 0x0C, val | 0x01);
+	case INVERSION_OFF:
+		val = cx22702_readreg(state, 0x0C);
+		return cx22702_writereg(state, 0x0C, val & 0xfe);
+	default:
+		return -EINVAL;
 	}
 
 }
 
 /* Retrieve the demod settings */
-static int cx22702_get_tps (struct cx22702_state *state, struct dvb_ofdm_parameters *p)
+static int cx22702_get_tps(struct cx22702_state *state,
+	struct dvb_ofdm_parameters *p)
 {
 	u8 val;
 
@@ -146,180 +150,281 @@ static int cx22702_get_tps (struct cx22702_state *state, struct dvb_ofdm_paramet
 	if (!(cx22702_readreg(state, 0x0A) & 0x20))
 		return -EAGAIN;
 
-	val = cx22702_readreg (state, 0x01);
-	switch( (val&0x18)>>3) {
-		case 0: p->constellation =   QPSK; break;
-		case 1: p->constellation = QAM_16; break;
-		case 2: p->constellation = QAM_64; break;
+	val = cx22702_readreg(state, 0x01);
+	switch ((val & 0x18) >> 3) {
+	case 0:
+		p->constellation = QPSK;
+		break;
+	case 1:
+		p->constellation = QAM_16;
+		break;
+	case 2:
+		p->constellation = QAM_64;
+		break;
 	}
-	switch( val&0x07 ) {
-		case 0: p->hierarchy_information = HIERARCHY_NONE; break;
-		case 1: p->hierarchy_information =    HIERARCHY_1; break;
-		case 2: p->hierarchy_information =    HIERARCHY_2; break;
-		case 3: p->hierarchy_information =    HIERARCHY_4; break;
+	switch (val & 0x07) {
+	case 0:
+		p->hierarchy_information = HIERARCHY_NONE;
+		break;
+	case 1:
+		p->hierarchy_information = HIERARCHY_1;
+		break;
+	case 2:
+		p->hierarchy_information = HIERARCHY_2;
+		break;
+	case 3:
+		p->hierarchy_information = HIERARCHY_4;
+		break;
 	}
 
 
-	val = cx22702_readreg (state, 0x02);
-	switch( (val&0x38)>>3 ) {
-		case 0: p->code_rate_HP = FEC_1_2; break;
-		case 1: p->code_rate_HP = FEC_2_3; break;
-		case 2: p->code_rate_HP = FEC_3_4; break;
-		case 3: p->code_rate_HP = FEC_5_6; break;
-		case 4: p->code_rate_HP = FEC_7_8; break;
+	val = cx22702_readreg(state, 0x02);
+	switch ((val & 0x38) >> 3) {
+	case 0:
+		p->code_rate_HP = FEC_1_2;
+		break;
+	case 1:
+		p->code_rate_HP = FEC_2_3;
+		break;
+	case 2:
+		p->code_rate_HP = FEC_3_4;
+		break;
+	case 3:
+		p->code_rate_HP = FEC_5_6;
+		break;
+	case 4:
+		p->code_rate_HP = FEC_7_8;
+		break;
 	}
-	switch( val&0x07 ) {
-		case 0: p->code_rate_LP = FEC_1_2; break;
-		case 1: p->code_rate_LP = FEC_2_3; break;
-		case 2: p->code_rate_LP = FEC_3_4; break;
-		case 3: p->code_rate_LP = FEC_5_6; break;
-		case 4: p->code_rate_LP = FEC_7_8; break;
+	switch (val & 0x07) {
+	case 0:
+		p->code_rate_LP = FEC_1_2;
+		break;
+	case 1:
+		p->code_rate_LP = FEC_2_3;
+		break;
+	case 2:
+		p->code_rate_LP = FEC_3_4;
+		break;
+	case 3:
+		p->code_rate_LP = FEC_5_6;
+		break;
+	case 4:
+		p->code_rate_LP = FEC_7_8;
+		break;
 	}
 
-
-	val = cx22702_readreg (state, 0x03);
-	switch( (val&0x0c)>>2 ) {
-		case 0: p->guard_interval = GUARD_INTERVAL_1_32; break;
-		case 1: p->guard_interval = GUARD_INTERVAL_1_16; break;
-		case 2: p->guard_interval =  GUARD_INTERVAL_1_8; break;
-		case 3: p->guard_interval =  GUARD_INTERVAL_1_4; break;
+	val = cx22702_readreg(state, 0x03);
+	switch ((val & 0x0c) >> 2) {
+	case 0:
+		p->guard_interval = GUARD_INTERVAL_1_32;
+		break;
+	case 1:
+		p->guard_interval = GUARD_INTERVAL_1_16;
+		break;
+	case 2:
+		p->guard_interval = GUARD_INTERVAL_1_8;
+		break;
+	case 3:
+		p->guard_interval = GUARD_INTERVAL_1_4;
+		break;
 	}
-	switch( val&0x03 ) {
-		case 0: p->transmission_mode = TRANSMISSION_MODE_2K; break;
-		case 1: p->transmission_mode = TRANSMISSION_MODE_8K; break;
+	switch (val & 0x03) {
+	case 0:
+		p->transmission_mode = TRANSMISSION_MODE_2K;
+		break;
+	case 1:
+		p->transmission_mode = TRANSMISSION_MODE_8K;
+		break;
 	}
 
 	return 0;
 }
 
-static int cx22702_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+static int cx22702_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
-	dprintk ("%s(%d)\n", __func__, enable);
+	struct cx22702_state *state = fe->demodulator_priv;
+	dprintk("%s(%d)\n", __func__, enable);
 	if (enable)
-		return cx22702_writereg (state, 0x0D, cx22702_readreg(state, 0x0D) & 0xfe);
+		return cx22702_writereg(state, 0x0D,
+			cx22702_readreg(state, 0x0D) & 0xfe);
 	else
-		return cx22702_writereg (state, 0x0D, cx22702_readreg(state, 0x0D) | 1);
+		return cx22702_writereg(state, 0x0D,
+			cx22702_readreg(state, 0x0D) | 1);
 }
 
 /* Talk to the demod, set the FEC, GUARD, QAM settings etc */
-static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx22702_set_tps(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *p)
 {
 	u8 val;
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 
 	if (fe->ops.tuner_ops.set_params) {
 		fe->ops.tuner_ops.set_params(fe, p);
-		if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
 	}
 
 	/* set inversion */
-	cx22702_set_inversion (state, p->inversion);
+	cx22702_set_inversion(state, p->inversion);
 
 	/* set bandwidth */
-	switch(p->u.ofdm.bandwidth) {
+	switch (p->u.ofdm.bandwidth) {
 	case BANDWIDTH_6_MHZ:
-		cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xcf) | 0x20 );
+		cx22702_writereg(state, 0x0C,
+			(cx22702_readreg(state, 0x0C) & 0xcf) | 0x20);
 		break;
 	case BANDWIDTH_7_MHZ:
-		cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xcf) | 0x10 );
+		cx22702_writereg(state, 0x0C,
+			(cx22702_readreg(state, 0x0C) & 0xcf) | 0x10);
 		break;
 	case BANDWIDTH_8_MHZ:
-		cx22702_writereg(state, 0x0C, cx22702_readreg(state, 0x0C) &0xcf );
+		cx22702_writereg(state, 0x0C,
+			cx22702_readreg(state, 0x0C) & 0xcf);
 		break;
 	default:
-		dprintk ("%s: invalid bandwidth\n",__func__);
+		dprintk("%s: invalid bandwidth\n", __func__);
 		return -EINVAL;
 	}
 
-
-	p->u.ofdm.code_rate_LP = FEC_AUTO; //temp hack as manual not working
+	p->u.ofdm.code_rate_LP = FEC_AUTO; /* temp hack as manual not working */
 
 	/* use auto configuration? */
-	if((p->u.ofdm.hierarchy_information==HIERARCHY_AUTO) ||
-	   (p->u.ofdm.constellation==QAM_AUTO) ||
-	   (p->u.ofdm.code_rate_HP==FEC_AUTO) ||
-	   (p->u.ofdm.code_rate_LP==FEC_AUTO) ||
-	   (p->u.ofdm.guard_interval==GUARD_INTERVAL_AUTO) ||
-	   (p->u.ofdm.transmission_mode==TRANSMISSION_MODE_AUTO) ) {
+	if ((p->u.ofdm.hierarchy_information == HIERARCHY_AUTO) ||
+	   (p->u.ofdm.constellation == QAM_AUTO) ||
+	   (p->u.ofdm.code_rate_HP == FEC_AUTO) ||
+	   (p->u.ofdm.code_rate_LP == FEC_AUTO) ||
+	   (p->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO) ||
+	   (p->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO)) {
 
 		/* TPS Source - use hardware driven values */
 		cx22702_writereg(state, 0x06, 0x10);
 		cx22702_writereg(state, 0x07, 0x9);
 		cx22702_writereg(state, 0x08, 0xC1);
-		cx22702_writereg(state, 0x0B, cx22702_readreg(state, 0x0B) & 0xfc );
-		cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xBF) | 0x40 );
+		cx22702_writereg(state, 0x0B, cx22702_readreg(state, 0x0B)
+			& 0xfc);
+		cx22702_writereg(state, 0x0C,
+			(cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);
 		cx22702_writereg(state, 0x00, 0x01); /* Begin aquisition */
-		dprintk("%s: Autodetecting\n",__func__);
+		dprintk("%s: Autodetecting\n", __func__);
 		return 0;
 	}
 
 	/* manually programmed values */
-	val=0;
-	switch(p->u.ofdm.constellation) {
-		case   QPSK: val = (val&0xe7); break;
-		case QAM_16: val = (val&0xe7)|0x08; break;
-		case QAM_64: val = (val&0xe7)|0x10; break;
-		default:
-			dprintk ("%s: invalid constellation\n",__func__);
-			return -EINVAL;
+	val = 0;
+	switch (p->u.ofdm.constellation) {
+	case QPSK:
+		val = (val & 0xe7);
+		break;
+	case QAM_16:
+		val = (val & 0xe7) | 0x08;
+		break;
+	case QAM_64:
+		val = (val & 0xe7) | 0x10;
+		break;
+	default:
+		dprintk("%s: invalid constellation\n", __func__);
+		return -EINVAL;
 	}
-	switch(p->u.ofdm.hierarchy_information) {
-		case HIERARCHY_NONE: val = (val&0xf8); break;
-		case    HIERARCHY_1: val = (val&0xf8)|1; break;
-		case    HIERARCHY_2: val = (val&0xf8)|2; break;
-		case    HIERARCHY_4: val = (val&0xf8)|3; break;
-		default:
-			dprintk ("%s: invalid hierarchy\n",__func__);
-			return -EINVAL;
+	switch (p->u.ofdm.hierarchy_information) {
+	case HIERARCHY_NONE:
+		val = (val & 0xf8);
+		break;
+	case HIERARCHY_1:
+		val = (val & 0xf8) | 1;
+		break;
+	case HIERARCHY_2:
+		val = (val & 0xf8) | 2;
+		break;
+	case HIERARCHY_4:
+		val = (val & 0xf8) | 3;
+		break;
+	default:
+		dprintk("%s: invalid hierarchy\n", __func__);
+		return -EINVAL;
 	}
-	cx22702_writereg (state, 0x06, val);
-
-	val=0;
-	switch(p->u.ofdm.code_rate_HP) {
-		case FEC_NONE:
-		case FEC_1_2: val = (val&0xc7); break;
-		case FEC_2_3: val = (val&0xc7)|0x08; break;
-		case FEC_3_4: val = (val&0xc7)|0x10; break;
-		case FEC_5_6: val = (val&0xc7)|0x18; break;
-		case FEC_7_8: val = (val&0xc7)|0x20; break;
-		default:
-			dprintk ("%s: invalid code_rate_HP\n",__func__);
-			return -EINVAL;
+	cx22702_writereg(state, 0x06, val);
+
+	val = 0;
+	switch (p->u.ofdm.code_rate_HP) {
+	case FEC_NONE:
+	case FEC_1_2:
+		val = (val & 0xc7);
+		break;
+	case FEC_2_3:
+		val = (val & 0xc7) | 0x08;
+		break;
+	case FEC_3_4:
+		val = (val & 0xc7) | 0x10;
+		break;
+	case FEC_5_6:
+		val = (val & 0xc7) | 0x18;
+		break;
+	case FEC_7_8:
+		val = (val & 0xc7) | 0x20;
+		break;
+	default:
+		dprintk("%s: invalid code_rate_HP\n", __func__);
+		return -EINVAL;
 	}
-	switch(p->u.ofdm.code_rate_LP) {
-		case FEC_NONE:
-		case FEC_1_2: val = (val&0xf8); break;
-		case FEC_2_3: val = (val&0xf8)|1; break;
-		case FEC_3_4: val = (val&0xf8)|2; break;
-		case FEC_5_6: val = (val&0xf8)|3; break;
-		case FEC_7_8: val = (val&0xf8)|4; break;
-		default:
-			dprintk ("%s: invalid code_rate_LP\n",__func__);
-			return -EINVAL;
+	switch (p->u.ofdm.code_rate_LP) {
+	case FEC_NONE:
+	case FEC_1_2:
+		val = (val & 0xf8);
+		break;
+	case FEC_2_3:
+		val = (val & 0xf8) | 1;
+		break;
+	case FEC_3_4:
+		val = (val & 0xf8) | 2;
+		break;
+	case FEC_5_6:
+		val = (val & 0xf8) | 3;
+		break;
+	case FEC_7_8:
+		val = (val & 0xf8) | 4;
+		break;
+	default:
+		dprintk("%s: invalid code_rate_LP\n", __func__);
+		return -EINVAL;
 	}
-	cx22702_writereg (state, 0x07, val);
-
-	val=0;
-	switch(p->u.ofdm.guard_interval) {
-		case GUARD_INTERVAL_1_32: val = (val&0xf3); break;
-		case GUARD_INTERVAL_1_16: val = (val&0xf3)|0x04; break;
-		case  GUARD_INTERVAL_1_8: val = (val&0xf3)|0x08; break;
-		case  GUARD_INTERVAL_1_4: val = (val&0xf3)|0x0c; break;
-		default:
-			dprintk ("%s: invalid guard_interval\n",__func__);
-			return -EINVAL;
+	cx22702_writereg(state, 0x07, val);
+
+	val = 0;
+	switch (p->u.ofdm.guard_interval) {
+	case GUARD_INTERVAL_1_32:
+		val = (val & 0xf3);
+		break;
+	case GUARD_INTERVAL_1_16:
+		val = (val & 0xf3) | 0x04;
+		break;
+	case GUARD_INTERVAL_1_8:
+		val = (val & 0xf3) | 0x08;
+		break;
+	case GUARD_INTERVAL_1_4:
+		val = (val & 0xf3) | 0x0c;
+		break;
+	default:
+		dprintk("%s: invalid guard_interval\n", __func__);
+		return -EINVAL;
 	}
-	switch(p->u.ofdm.transmission_mode) {
-		case TRANSMISSION_MODE_2K: val = (val&0xfc); break;
-		case TRANSMISSION_MODE_8K: val = (val&0xfc)|1; break;
-		default:
-			dprintk ("%s: invalid transmission_mode\n",__func__);
-			return -EINVAL;
+	switch (p->u.ofdm.transmission_mode) {
+	case TRANSMISSION_MODE_2K:
+		val = (val & 0xfc);
+		break;
+	case TRANSMISSION_MODE_8K:
+		val = (val & 0xfc) | 1;
+		break;
+	default:
+		dprintk("%s: invalid transmission_mode\n", __func__);
+		return -EINVAL;
 	}
 	cx22702_writereg(state, 0x08, val);
-	cx22702_writereg(state, 0x0B, (cx22702_readreg(state, 0x0B) & 0xfc) | 0x02 );
-	cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xBF) | 0x40 );
+	cx22702_writereg(state, 0x0B,
+		(cx22702_readreg(state, 0x0B) & 0xfc) | 0x02);
+	cx22702_writereg(state, 0x0C,
+		(cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);
 
 	/* Begin channel aquisition */
 	cx22702_writereg(state, 0x00, 0x01);
@@ -329,109 +434,111 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet
 
 /* Reset the demod hardware and reset all of the configuration registers
    to a default state. */
-static int cx22702_init (struct dvb_frontend* fe)
+static int cx22702_init(struct dvb_frontend *fe)
 {
 	int i;
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 
-	cx22702_writereg (state, 0x00, 0x02);
+	cx22702_writereg(state, 0x00, 0x02);
 
 	msleep(10);
 
-	for (i=0; i<sizeof(init_tab); i+=2)
-		cx22702_writereg (state, init_tab[i], init_tab[i+1]);
+	for (i = 0; i < ARRAY_SIZE(init_tab); i += 2)
+		cx22702_writereg(state, init_tab[i], init_tab[i + 1]);
 
-	cx22702_writereg (state, 0xf8, (state->config->output_mode << 1) & 0x02);
+	cx22702_writereg(state, 0xf8, (state->config->output_mode << 1)
+		& 0x02);
 
 	cx22702_i2c_gate_ctrl(fe, 0);
 
 	return 0;
 }
 
-static int cx22702_read_status(struct dvb_frontend* fe, fe_status_t* status)
+static int cx22702_read_status(struct dvb_frontend *fe, fe_status_t *status)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 	u8 reg0A;
 	u8 reg23;
 
 	*status = 0;
 
-	reg0A = cx22702_readreg (state, 0x0A);
-	reg23 = cx22702_readreg (state, 0x23);
+	reg0A = cx22702_readreg(state, 0x0A);
+	reg23 = cx22702_readreg(state, 0x23);
 
-	dprintk ("%s: status demod=0x%02x agc=0x%02x\n"
-		,__func__,reg0A,reg23);
+	dprintk("%s: status demod=0x%02x agc=0x%02x\n"
+		, __func__, reg0A, reg23);
 
-	if(reg0A & 0x10) {
+	if (reg0A & 0x10) {
 		*status |= FE_HAS_LOCK;
 		*status |= FE_HAS_VITERBI;
 		*status |= FE_HAS_SYNC;
 	}
 
-	if(reg0A & 0x20)
+	if (reg0A & 0x20)
 		*status |= FE_HAS_CARRIER;
 
-	if(reg23 < 0xf0)
+	if (reg23 < 0xf0)
 		*status |= FE_HAS_SIGNAL;
 
 	return 0;
 }
 
-static int cx22702_read_ber(struct dvb_frontend* fe, u32* ber)
+static int cx22702_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 
-	if(cx22702_readreg (state, 0xE4) & 0x02) {
+	if (cx22702_readreg(state, 0xE4) & 0x02) {
 		/* Realtime statistics */
-		*ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 7
-			| (cx22702_readreg (state, 0xDF)&0x7F);
+		*ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
+			| (cx22702_readreg(state, 0xDF) & 0x7F);
 	} else {
 		/* Averagtine statistics */
-		*ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 7
-			| cx22702_readreg (state, 0xDF);
+		*ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
+			| cx22702_readreg(state, 0xDF);
 	}
 
 	return 0;
 }
 
-static int cx22702_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
+static int cx22702_read_signal_strength(struct dvb_frontend *fe,
+	u16 *signal_strength)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 
 	u16 rs_ber = 0;
-	rs_ber = cx22702_readreg (state, 0x23);
+	rs_ber = cx22702_readreg(state, 0x23);
 	*signal_strength = (rs_ber << 8) | rs_ber;
 
 	return 0;
 }
 
-static int cx22702_read_snr(struct dvb_frontend* fe, u16* snr)
+static int cx22702_read_snr(struct dvb_frontend *fe, u16 *snr)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 
-	u16 rs_ber=0;
-	if(cx22702_readreg (state, 0xE4) & 0x02) {
+	u16 rs_ber = 0;
+	if (cx22702_readreg(state, 0xE4) & 0x02) {
 		/* Realtime statistics */
-		rs_ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 7
-			| (cx22702_readreg (state, 0xDF)& 0x7F);
+		rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
+			| (cx22702_readreg(state, 0xDF) & 0x7F);
 	} else {
 		/* Averagine statistics */
-		rs_ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 8
-			| cx22702_readreg (state, 0xDF);
+		rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 8
+			| cx22702_readreg(state, 0xDF);
 	}
 	*snr = ~rs_ber;
 
 	return 0;
 }
 
-static int cx22702_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+static int cx22702_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 
 	u8 _ucblocks;
 
 	/* RS Uncorrectable Packet Count then reset */
-	_ucblocks = cx22702_readreg (state, 0xE3);
+	_ucblocks = cx22702_readreg(state, 0xE3);
 	if (state->prevUCBlocks < _ucblocks)
 		*ucblocks = (_ucblocks - state->prevUCBlocks);
 	else
@@ -441,34 +548,36 @@ static int cx22702_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
 	return 0;
 }
 
-static int cx22702_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx22702_get_frontend(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *p)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 
-	u8 reg0C = cx22702_readreg (state, 0x0C);
+	u8 reg0C = cx22702_readreg(state, 0x0C);
 
 	p->inversion = reg0C & 0x1 ? INVERSION_ON : INVERSION_OFF;
-	return cx22702_get_tps (state, &p->u.ofdm);
+	return cx22702_get_tps(state, &p->u.ofdm);
 }
 
-static int cx22702_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
+static int cx22702_get_tune_settings(struct dvb_frontend *fe,
+	struct dvb_frontend_tune_settings *tune)
 {
 	tune->min_delay_ms = 1000;
 	return 0;
 }
 
-static void cx22702_release(struct dvb_frontend* fe)
+static void cx22702_release(struct dvb_frontend *fe)
 {
-	struct cx22702_state* state = fe->demodulator_priv;
+	struct cx22702_state *state = fe->demodulator_priv;
 	kfree(state);
 }
 
 static struct dvb_frontend_ops cx22702_ops;
 
-struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
-				    struct i2c_adapter* i2c)
+struct dvb_frontend *cx22702_attach(const struct cx22702_config *config,
+	struct i2c_adapter *i2c)
 {
-	struct cx22702_state* state = NULL;
+	struct cx22702_state *state = NULL;
 
 	/* allocate memory for the internal state */
 	state = kmalloc(sizeof(struct cx22702_state), GFP_KERNEL);
@@ -485,7 +594,8 @@ struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
 		goto error;
 
 	/* create dvb_frontend */
-	memcpy(&state->frontend.ops, &cx22702_ops, sizeof(struct dvb_frontend_ops));
+	memcpy(&state->frontend.ops, &cx22702_ops,
+		sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
 	return &state->frontend;
 
@@ -493,6 +603,7 @@ error:
 	kfree(state);
 	return NULL;
 }
+EXPORT_SYMBOL(cx22702_attach);
 
 static struct dvb_frontend_ops cx22702_ops = {
 
@@ -525,11 +636,6 @@ static struct dvb_frontend_ops cx22702_ops = {
 	.read_ucblocks = cx22702_read_ucblocks,
 };
 
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Enable verbose debug messages");
-
 MODULE_DESCRIPTION("Conexant CX22702 DVB-T Demodulator driver");
 MODULE_AUTHOR("Steven Toth");
 MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(cx22702_attach);
diff --git a/drivers/media/dvb/frontends/cx22702.h b/drivers/media/dvb/frontends/cx22702.h
index b1e465c6c2c..f154e1f428e 100644
--- a/drivers/media/dvb/frontends/cx22702.h
+++ b/drivers/media/dvb/frontends/cx22702.h
@@ -30,8 +30,7 @@
 
 #include <linux/dvb/frontend.h>
 
-struct cx22702_config
-{
+struct cx22702_config {
 	/* the demodulator's i2c address */
 	u8 demod_address;
 
@@ -41,16 +40,19 @@ struct cx22702_config
 	u8 output_mode;
 };
 
-#if defined(CONFIG_DVB_CX22702) || (defined(CONFIG_DVB_CX22702_MODULE) && defined(MODULE))
-extern struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
-					   struct i2c_adapter* i2c);
+#if defined(CONFIG_DVB_CX22702) || (defined(CONFIG_DVB_CX22702_MODULE) \
+	&& defined(MODULE))
+extern struct dvb_frontend *cx22702_attach(
+	const struct cx22702_config *config,
+	struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
-					   struct i2c_adapter* i2c)
+static inline struct dvb_frontend *cx22702_attach(
+	const struct cx22702_config *config,
+	struct i2c_adapter *i2c)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
-#endif // CONFIG_DVB_CX22702
+#endif
 
-#endif // CX22702_H
+#endif
-- 
GitLab


From 98c948236923bf30031ab94cf6dba2291d9af72a Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:24:42 -0300
Subject: [PATCH 1072/2224] V4L/DVB (9257): cx24116: Checkpatch compliance #3

cx24116: Checkpatch compliance #3

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/cx24116.c | 105 ++++++++++++++++----------
 1 file changed, 65 insertions(+), 40 deletions(-)

diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c
index 751792a092e..8afdfbec551 100644
--- a/drivers/media/dvb/frontends/cx24116.c
+++ b/drivers/media/dvb/frontends/cx24116.c
@@ -48,7 +48,7 @@ MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
 #define dprintk(args...) \
 	do { \
 		if (debug) \
-			printk("cx24116: " args); \
+			printk(KERN_INFO "cx24116: " args); \
 	} while (0)
 
 #define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw"
@@ -72,13 +72,20 @@ MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
 #define CX24116_REG_UCB8    (0xca)
 #define CX24116_REG_CLKDIV  (0xf3)
 #define CX24116_REG_RATEDIV (0xf9)
-#define CX24116_REG_FECSTATUS (0x9c)    /* configured fec (not tuned) or actual FEC (tuned) 1=1/2 2=2/3 etc */
+
+/* configured fec (not tuned) or actual FEC (tuned) 1=1/2 2=2/3 etc */
+#define CX24116_REG_FECSTATUS (0x9c)
 
 /* FECSTATUS bits */
-#define CX24116_FEC_FECMASK   (0x1f)    /* mask to determine configured fec (not tuned) or actual fec (tuned) */
-#define CX24116_FEC_DVBS      (0x20)    /* Select DVB-S demodulator, else DVB-S2 */
+/* mask to determine configured fec (not tuned) or actual fec (tuned) */
+#define CX24116_FEC_FECMASK   (0x1f)
+
+/* Select DVB-S demodulator, else DVB-S2 */
+#define CX24116_FEC_DVBS      (0x20)
 #define CX24116_FEC_UNKNOWN   (0x40)    /* Unknown/unused */
-#define CX24116_FEC_PILOT     (0x80)    /* Pilot mode requested when tuning else always reset when tuned */
+
+/* Pilot mode requested when tuning else always reset when tuned */
+#define CX24116_FEC_PILOT     (0x80)
 
 /* arg buffer size */
 #define CX24116_ARGLEN (0x1e)
@@ -121,12 +128,14 @@ MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
 /* DiSEqC tone burst */
 static int toneburst = 1;
 module_param(toneburst, int, 0644);
-MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)");
+MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, "\
+	"2=MESSAGE CACHE (default:1)");
 
 /* SNR measurements */
 static int esno_snr;
 module_param(esno_snr, int, 0644);
-MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, 1=ESNO(db * 10) (default:0)");
+MODULE_PARM_DESC(debug, "SNR return units, 0=PERCENTAGE 0-100, "\
+	"1=ESNO(db * 10) (default:0)");
 
 enum cmds {
 	CMD_SET_VCO     = 0x10,
@@ -196,7 +205,7 @@ static int cx24116_writereg(struct cx24116_state *state, int reg, int data)
 
 	err = i2c_transfer(state->i2c, &msg, 1);
 	if (err != 1) {
-		printk("%s: writereg error(err == %i, reg == 0x%02x,"
+		printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x,"
 			 " value == 0x%02x)\n", __func__, err, reg, data);
 		return -EREMOTEIO;
 	}
@@ -228,12 +237,12 @@ static int cx24116_writeregN(struct cx24116_state *state, int reg,
 	msg.len = len + 1;
 
 	if (debug > 1)
-		printk("cx24116: %s:  write regN 0x%02x, len = %d\n",
+		printk(KERN_INFO "cx24116: %s:  write regN 0x%02x, len = %d\n",
 			__func__, reg, len);
 
 	ret = i2c_transfer(state->i2c, &msg, 1);
 	if (ret != 1) {
-		printk("%s: writereg error(err == %i, reg == 0x%02x\n",
+		printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x\n",
 			 __func__, ret, reg);
 		ret = -EREMOTEIO;
 	}
@@ -259,18 +268,20 @@ static int cx24116_readreg(struct cx24116_state *state, u8 reg)
 	ret = i2c_transfer(state->i2c, msg, 2);
 
 	if (ret != 2) {
-		printk("%s: reg=0x%x (error=%d)\n", __func__, reg, ret);
+		printk(KERN_ERR "%s: reg=0x%x (error=%d)\n",
+			__func__, reg, ret);
 		return ret;
 	}
 
 	if (debug > 1)
-		printk("cx24116: read reg 0x%02x, value 0x%02x\n",
+		printk(KERN_INFO "cx24116: read reg 0x%02x, value 0x%02x\n",
 			reg, b1[0]);
 
 	return b1[0];
 }
 
-static int cx24116_set_inversion(struct cx24116_state *state, fe_spectral_inversion_t inversion)
+static int cx24116_set_inversion(struct cx24116_state *state,
+	fe_spectral_inversion_t inversion)
 {
 	dprintk("%s(%d)\n", __func__, inversion);
 
@@ -318,10 +329,10 @@ static int cx24116_set_inversion(struct cx24116_state *state, fe_spectral_invers
  * Eg.(2/3) szap "Zone Horror"
  *
  * mask/val = 0x04, 0x20
- * status 1f | signal c3c0 | snr a333 | ber 00000098 | unc 00000000 | FE_HAS_LOCK
+ * status 1f | signal c3c0 | snr a333 | ber 00000098 | unc 0 | FE_HAS_LOCK
  *
  * mask/val = 0x04, 0x30
- * status 1f | signal c3c0 | snr a333 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
+ * status 1f | signal c3c0 | snr a333 | ber 00000000 | unc 0 | FE_HAS_LOCK
  *
  * After tuning FECSTATUS contains actual FEC
  * in use numbered 1 through to 8 for 1/2 .. 2/3 etc
@@ -417,7 +428,8 @@ static int cx24116_lookup_fecmod(struct cx24116_state *state,
 	return ret;
 }
 
-static int cx24116_set_fec(struct cx24116_state *state, fe_modulation_t mod, fe_code_rate_t fec)
+static int cx24116_set_fec(struct cx24116_state *state,
+	fe_modulation_t mod, fe_code_rate_t fec)
 {
 	int ret = 0;
 
@@ -471,25 +483,32 @@ static int cx24116_firmware_ondemand(struct dvb_frontend *fe)
 			return 0;
 
 		/* Load firmware */
-		/* request the firmware, this will block until someone uploads it */
-		printk("%s: Waiting for firmware upload (%s)...\n", __func__, CX24116_DEFAULT_FIRMWARE);
-		ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE, &state->i2c->dev);
-		printk("%s: Waiting for firmware upload(2)...\n", __func__);
+		/* request the firmware, this will block until loaded */
+		printk(KERN_INFO "%s: Waiting for firmware upload (%s)...\n",
+			__func__, CX24116_DEFAULT_FIRMWARE);
+		ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE,
+			&state->i2c->dev);
+		printk(KERN_INFO "%s: Waiting for firmware upload(2)...\n",
+			__func__);
 		if (ret) {
-			printk("%s: No firmware uploaded (timeout or file not found?)\n", __func__);
+			printk(KERN_ERR "%s: No firmware uploaded "
+				"(timeout or file not found?)\n", __func__);
 			return ret;
 		}
 
-		/* Make sure we don't recurse back through here during loading */
+		/* Make sure we don't recurse back through here
+		 * during loading */
 		state->skip_fw_load = 1;
 
 		ret = cx24116_load_firmware(fe, fw);
 		if (ret)
-			printk("%s: Writing firmware to device failed\n", __func__);
+			printk(KERN_ERR "%s: Writing firmware to device failed\n",
+				__func__);
 
 		release_firmware(fw);
 
-		printk("%s: Firmware upload %s\n", __func__, ret == 0 ? "complete" : "failed");
+		printk(KERN_INFO "%s: Firmware upload %s\n", __func__,
+			ret == 0 ? "complete" : "failed");
 
 		/* Ensure firmware is always loaded if required */
 		state->skip_fw_load = 0;
@@ -498,7 +517,9 @@ static int cx24116_firmware_ondemand(struct dvb_frontend *fe)
 	return ret;
 }
 
-/* Take a basic firmware command structure, format it and forward it for processing */
+/* Take a basic firmware command structure, format it
+ * and forward it for processing
+ */
 static int cx24116_cmd_execute(struct dvb_frontend *fe, struct cx24116_cmd *cmd)
 {
 	struct cx24116_state *state = fe->demodulator_priv;
@@ -509,7 +530,8 @@ static int cx24116_cmd_execute(struct dvb_frontend *fe, struct cx24116_cmd *cmd)
 	/* Load the firmware if required */
 	ret = cx24116_firmware_ondemand(fe);
 	if (ret != 0) {
-		printk("%s(): Unable initialise the firmware\n", __func__);
+		printk(KERN_ERR "%s(): Unable initialise the firmware\n",
+			__func__);
 		return ret;
 	}
 
@@ -524,8 +546,10 @@ static int cx24116_cmd_execute(struct dvb_frontend *fe, struct cx24116_cmd *cmd)
 	while (cx24116_readreg(state, CX24116_REG_EXECUTE)) {
 		msleep(10);
 		if (i++ > 64) {
-			/* Avoid looping forever if the firmware does no respond */
-			printk("%s() Firmware not responding\n", __func__);
+			/* Avoid looping forever if the firmware does
+				not respond */
+			printk(KERN_WARNING "%s() Firmware not responding\n",
+				__func__);
 			return -EREMOTEIO;
 		}
 	}
@@ -635,7 +659,7 @@ static int cx24116_load_firmware(struct dvb_frontend *fe,
 			return ret;
 		vers[i] = cx24116_readreg(state, CX24116_REG_MAILBOX);
 	}
-	printk("%s: FW version %i.%i.%i.%i\n", __func__,
+	printk(KERN_INFO "%s: FW version %i.%i.%i.%i\n", __func__,
 		vers[0], vers[1], vers[2], vers[3]);
 
 	return 0;
@@ -818,7 +842,7 @@ static int cx24116_set_tone(struct dvb_frontend *fe,
 
 	dprintk("%s(%d)\n", __func__, tone);
 	if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) {
-		printk("%s: Invalid, tone=%d\n", __func__, tone);
+		printk(KERN_ERR "%s: Invalid, tone=%d\n", __func__, tone);
 		return -EINVAL;
 	}
 
@@ -891,7 +915,8 @@ static int cx24116_diseqc_init(struct dvb_frontend *fe)
 	/* Unknown */
 	state->dsec_cmd.args[CX24116_DISEQC_ARG2_2] = 0x02;
 	state->dsec_cmd.args[CX24116_DISEQC_ARG3_0] = 0x00;
-	state->dsec_cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; /* Continuation flag? */
+	/* Continuation flag? */
+	state->dsec_cmd.args[CX24116_DISEQC_ARG4_0] = 0x00;
 
 	/* DiSEqC message length */
 	state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00;
@@ -911,11 +936,11 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend *fe,
 
 	/* Dump DiSEqC message */
 	if (debug) {
-		printk("cx24116: %s(", __func__);
+		printk(KERN_INFO "cx24116: %s(", __func__);
 		for (i = 0 ; i < d->msg_len ;) {
-			printk("0x%02x", d->msg[i]);
+			printk(KERN_INFO "0x%02x", d->msg[i]);
 			if (++i < d->msg_len)
-				printk(", ");
+				printk(KERN_INFO ", ");
 		}
 		printk(") toneburst=%d\n", toneburst);
 	}
@@ -1072,10 +1097,8 @@ struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
 
 	/* allocate memory for the internal state */
 	state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL);
-	if (state == NULL) {
-		printk("Unable to kmalloc\n");
+	if (state == NULL)
 		goto error1;
-	}
 
 	/* setup the state */
 	memset(state, 0, sizeof(struct cx24116_state));
@@ -1084,14 +1107,16 @@ struct dvb_frontend *cx24116_attach(const struct cx24116_config *config,
 	state->i2c = i2c;
 
 	/* check if the demod is present */
-	ret = (cx24116_readreg(state, 0xFF) << 8) | cx24116_readreg(state, 0xFE);
+	ret = (cx24116_readreg(state, 0xFF) << 8) |
+		cx24116_readreg(state, 0xFE);
 	if (ret != 0x0501) {
-		printk("Invalid probe, probably not a CX24116 device\n");
+		printk(KERN_INFO "Invalid probe, probably not a CX24116 device\n");
 		goto error2;
 	}
 
 	/* create dvb_frontend */
-	memcpy(&state->frontend.ops, &cx24116_ops, sizeof(struct dvb_frontend_ops));
+	memcpy(&state->frontend.ops, &cx24116_ops,
+		sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
 	return &state->frontend;
 
-- 
GitLab


From b7709c0de24d9a05c70e13c939919fe90f09695d Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:27:11 -0300
Subject: [PATCH 1073/2224] V4L/DVB (9258): s5h1409: Checkpatch compliance

s5h1409: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1409.c | 138 +++++++++++++-------------
 drivers/media/dvb/frontends/s5h1409.h |  15 +--
 2 files changed, 78 insertions(+), 75 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1409.c b/drivers/media/dvb/frontends/s5h1409.c
index 7500a1c53e6..cf4d8936bb8 100644
--- a/drivers/media/dvb/frontends/s5h1409.c
+++ b/drivers/media/dvb/frontends/s5h1409.c
@@ -30,10 +30,10 @@
 
 struct s5h1409_state {
 
-	struct i2c_adapter* i2c;
+	struct i2c_adapter *i2c;
 
 	/* configuration settings */
-	const struct s5h1409_config* config;
+	const struct s5h1409_config *config;
 
 	struct dvb_frontend frontend;
 
@@ -48,6 +48,9 @@ struct s5h1409_state {
 };
 
 static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Enable verbose debug messages");
+
 #define dprintk	if (debug) printk
 
 /* Register values to initialise the demod, this will set VSB by default */
@@ -299,10 +302,10 @@ static struct qam256_snr_tab {
 };
 
 /* 8 bit registers, 16 bit values */
-static int s5h1409_writereg(struct s5h1409_state* state, u8 reg, u16 data)
+static int s5h1409_writereg(struct s5h1409_state *state, u8 reg, u16 data)
 {
 	int ret;
-	u8 buf [] = { reg, data >> 8,  data & 0xff };
+	u8 buf[] = { reg, data >> 8,  data & 0xff };
 
 	struct i2c_msg msg = { .addr = state->config->demod_address,
 			       .flags = 0, .buf = buf, .len = 3 };
@@ -310,19 +313,19 @@ static int s5h1409_writereg(struct s5h1409_state* state, u8 reg, u16 data)
 	ret = i2c_transfer(state->i2c, &msg, 1);
 
 	if (ret != 1)
-		printk("%s: writereg error (reg == 0x%02x, val == 0x%04x, "
+		printk(KERN_ERR "%s: error (reg == 0x%02x, val == 0x%04x, "
 		       "ret == %i)\n", __func__, reg, data, ret);
 
 	return (ret != 1) ? -1 : 0;
 }
 
-static u16 s5h1409_readreg(struct s5h1409_state* state, u8 reg)
+static u16 s5h1409_readreg(struct s5h1409_state *state, u8 reg)
 {
 	int ret;
-	u8 b0 [] = { reg };
-	u8 b1 [] = { 0, 0 };
+	u8 b0[] = { reg };
+	u8 b1[] = { 0, 0 };
 
-	struct i2c_msg msg [] = {
+	struct i2c_msg msg[] = {
 		{ .addr = state->config->demod_address, .flags = 0,
 		  .buf = b0, .len = 1 },
 		{ .addr = state->config->demod_address, .flags = I2C_M_RD,
@@ -335,9 +338,9 @@ static u16 s5h1409_readreg(struct s5h1409_state* state, u8 reg)
 	return (b1[0] << 8) | b1[1];
 }
 
-static int s5h1409_softreset(struct dvb_frontend* fe)
+static int s5h1409_softreset(struct dvb_frontend *fe)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s()\n", __func__);
 
@@ -349,11 +352,11 @@ static int s5h1409_softreset(struct dvb_frontend* fe)
 }
 
 #define S5H1409_VSB_IF_FREQ 5380
-#define S5H1409_QAM_IF_FREQ state->config->qam_if
+#define S5H1409_QAM_IF_FREQ (state->config->qam_if)
 
-static int s5h1409_set_if_freq(struct dvb_frontend* fe, int KHz)
+static int s5h1409_set_if_freq(struct dvb_frontend *fe, int KHz)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s(%d KHz)\n", __func__, KHz);
 
@@ -376,26 +379,26 @@ static int s5h1409_set_if_freq(struct dvb_frontend* fe, int KHz)
 	return 0;
 }
 
-static int s5h1409_set_spectralinversion(struct dvb_frontend* fe, int inverted)
+static int s5h1409_set_spectralinversion(struct dvb_frontend *fe, int inverted)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s(%d)\n", __func__, inverted);
 
-	if(inverted == 1)
+	if (inverted == 1)
 		return s5h1409_writereg(state, 0x1b, 0x1101); /* Inverted */
 	else
 		return s5h1409_writereg(state, 0x1b, 0x0110); /* Normal */
 }
 
-static int s5h1409_enable_modulation(struct dvb_frontend* fe,
+static int s5h1409_enable_modulation(struct dvb_frontend *fe,
 				     fe_modulation_t m)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s(0x%08x)\n", __func__, m);
 
-	switch(m) {
+	switch (m) {
 	case VSB_8:
 		dprintk("%s() VSB_8\n", __func__);
 		if (state->if_freq != S5H1409_VSB_IF_FREQ)
@@ -422,9 +425,9 @@ static int s5h1409_enable_modulation(struct dvb_frontend* fe,
 	return 0;
 }
 
-static int s5h1409_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+static int s5h1409_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s(%d)\n", __func__, enable);
 
@@ -434,9 +437,9 @@ static int s5h1409_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
 		return s5h1409_writereg(state, 0xf3, 0);
 }
 
-static int s5h1409_set_gpio(struct dvb_frontend* fe, int enable)
+static int s5h1409_set_gpio(struct dvb_frontend *fe, int enable)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s(%d)\n", __func__, enable);
 
@@ -448,18 +451,18 @@ static int s5h1409_set_gpio(struct dvb_frontend* fe, int enable)
 			s5h1409_readreg(state, 0xe3) & 0xfeff);
 }
 
-static int s5h1409_sleep(struct dvb_frontend* fe, int enable)
+static int s5h1409_sleep(struct dvb_frontend *fe, int enable)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s(%d)\n", __func__, enable);
 
 	return s5h1409_writereg(state, 0xf2, enable);
 }
 
-static int s5h1409_register_reset(struct dvb_frontend* fe)
+static int s5h1409_register_reset(struct dvb_frontend *fe)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s()\n", __func__);
 
@@ -483,7 +486,7 @@ static void s5h1409_set_qam_amhum_mode(struct dvb_frontend *fe)
 		reg &= 0xff;
 
 		s5h1409_writereg(state, 0x96, 0x00c);
-		if ((reg < 0x38) || (reg > 0x68) ) {
+		if ((reg < 0x38) || (reg > 0x68)) {
 			s5h1409_writereg(state, 0x93, 0x3332);
 			s5h1409_writereg(state, 0x9e, 0x2c37);
 		} else {
@@ -514,7 +517,7 @@ static void s5h1409_set_qam_interleave_mode(struct dvb_frontend *fe)
 
 			s5h1409_writereg(state, 0x96, 0x20);
 			s5h1409_writereg(state, 0xad,
-				( ((reg1 & 0xf000) >> 4) | (reg2 & 0xf0ff)) );
+				(((reg1 & 0xf000) >> 4) | (reg2 & 0xf0ff)));
 			s5h1409_writereg(state, 0xab,
 				s5h1409_readreg(state, 0xab) & 0xeffe);
 		}
@@ -529,10 +532,10 @@ static void s5h1409_set_qam_interleave_mode(struct dvb_frontend *fe)
 }
 
 /* Talk to the demod, set the FEC, GUARD, QAM settings etc */
-static int s5h1409_set_frontend (struct dvb_frontend* fe,
+static int s5h1409_set_frontend(struct dvb_frontend *fe,
 				 struct dvb_frontend_parameters *p)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	dprintk("%s(frequency=%d)\n", __func__, p->frequency);
 
@@ -546,9 +549,11 @@ static int s5h1409_set_frontend (struct dvb_frontend* fe,
 	msleep(100);
 
 	if (fe->ops.tuner_ops.set_params) {
-		if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 1);
 		fe->ops.tuner_ops.set_params(fe, p);
-		if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
 	}
 
 	/* Optimize the demod for QAM */
@@ -592,17 +597,17 @@ static int s5h1409_set_mpeg_timing(struct dvb_frontend *fe, int mode)
 
 /* Reset the demod hardware and reset all of the configuration registers
    to a default state. */
-static int s5h1409_init (struct dvb_frontend* fe)
+static int s5h1409_init(struct dvb_frontend *fe)
 {
 	int i;
 
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 	dprintk("%s()\n", __func__);
 
 	s5h1409_sleep(fe, 0);
 	s5h1409_register_reset(fe);
 
-	for (i=0; i < ARRAY_SIZE(init_tab); i++)
+	for (i = 0; i < ARRAY_SIZE(init_tab); i++)
 		s5h1409_writereg(state, init_tab[i].reg, init_tab[i].data);
 
 	/* The datasheet says that after initialisation, VSB is default */
@@ -627,9 +632,9 @@ static int s5h1409_init (struct dvb_frontend* fe)
 	return 0;
 }
 
-static int s5h1409_read_status(struct dvb_frontend* fe, fe_status_t* status)
+static int s5h1409_read_status(struct dvb_frontend *fe, fe_status_t *status)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 	u16 reg;
 	u32 tuner_status = 0;
 
@@ -637,12 +642,12 @@ static int s5h1409_read_status(struct dvb_frontend* fe, fe_status_t* status)
 
 	/* Get the demodulator status */
 	reg = s5h1409_readreg(state, 0xf1);
-	if(reg & 0x1000)
+	if (reg & 0x1000)
 		*status |= FE_HAS_VITERBI;
-	if(reg & 0x8000)
+	if (reg & 0x8000)
 		*status |= FE_HAS_LOCK | FE_HAS_SYNC;
 
-	switch(state->config->status_mode) {
+	switch (state->config->status_mode) {
 	case S5H1409_DEMODLOCKING:
 		if (*status & FE_HAS_VITERBI)
 			*status |= FE_HAS_CARRIER | FE_HAS_SIGNAL;
@@ -668,12 +673,12 @@ static int s5h1409_read_status(struct dvb_frontend* fe, fe_status_t* status)
 	return 0;
 }
 
-static int s5h1409_qam256_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
+static int s5h1409_qam256_lookup_snr(struct dvb_frontend *fe, u16 *snr, u16 v)
 {
 	int i, ret = -EINVAL;
 	dprintk("%s()\n", __func__);
 
-	for (i=0; i < ARRAY_SIZE(qam256_snr_tab); i++) {
+	for (i = 0; i < ARRAY_SIZE(qam256_snr_tab); i++) {
 		if (v < qam256_snr_tab[i].val) {
 			*snr = qam256_snr_tab[i].data;
 			ret = 0;
@@ -683,12 +688,12 @@ static int s5h1409_qam256_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
 	return ret;
 }
 
-static int s5h1409_qam64_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
+static int s5h1409_qam64_lookup_snr(struct dvb_frontend *fe, u16 *snr, u16 v)
 {
 	int i, ret = -EINVAL;
 	dprintk("%s()\n", __func__);
 
-	for (i=0; i < ARRAY_SIZE(qam64_snr_tab); i++) {
+	for (i = 0; i < ARRAY_SIZE(qam64_snr_tab); i++) {
 		if (v < qam64_snr_tab[i].val) {
 			*snr = qam64_snr_tab[i].data;
 			ret = 0;
@@ -698,12 +703,12 @@ static int s5h1409_qam64_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
 	return ret;
 }
 
-static int s5h1409_vsb_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
+static int s5h1409_vsb_lookup_snr(struct dvb_frontend *fe, u16 *snr, u16 v)
 {
 	int i, ret = -EINVAL;
 	dprintk("%s()\n", __func__);
 
-	for (i=0; i < ARRAY_SIZE(vsb_snr_tab); i++) {
+	for (i = 0; i < ARRAY_SIZE(vsb_snr_tab); i++) {
 		if (v > vsb_snr_tab[i].val) {
 			*snr = vsb_snr_tab[i].data;
 			ret = 0;
@@ -714,13 +719,13 @@ static int s5h1409_vsb_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
 	return ret;
 }
 
-static int s5h1409_read_snr(struct dvb_frontend* fe, u16* snr)
+static int s5h1409_read_snr(struct dvb_frontend *fe, u16 *snr)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 	u16 reg;
 	dprintk("%s()\n", __func__);
 
-	switch(state->current_modulation) {
+	switch (state->current_modulation) {
 	case QAM_64:
 		reg = s5h1409_readreg(state, 0xf0) & 0xff;
 		return s5h1409_qam64_lookup_snr(fe, snr, reg);
@@ -737,30 +742,30 @@ static int s5h1409_read_snr(struct dvb_frontend* fe, u16* snr)
 	return -EINVAL;
 }
 
-static int s5h1409_read_signal_strength(struct dvb_frontend* fe,
-					u16* signal_strength)
+static int s5h1409_read_signal_strength(struct dvb_frontend *fe,
+					u16 *signal_strength)
 {
 	return s5h1409_read_snr(fe, signal_strength);
 }
 
-static int s5h1409_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+static int s5h1409_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	*ucblocks = s5h1409_readreg(state, 0xb5);
 
 	return 0;
 }
 
-static int s5h1409_read_ber(struct dvb_frontend* fe, u32* ber)
+static int s5h1409_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
 	return s5h1409_read_ucblocks(fe, ber);
 }
 
-static int s5h1409_get_frontend(struct dvb_frontend* fe,
+static int s5h1409_get_frontend(struct dvb_frontend *fe,
 				struct dvb_frontend_parameters *p)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 
 	p->frequency = state->current_frequency;
 	p->u.vsb.modulation = state->current_modulation;
@@ -768,25 +773,25 @@ static int s5h1409_get_frontend(struct dvb_frontend* fe,
 	return 0;
 }
 
-static int s5h1409_get_tune_settings(struct dvb_frontend* fe,
+static int s5h1409_get_tune_settings(struct dvb_frontend *fe,
 				     struct dvb_frontend_tune_settings *tune)
 {
 	tune->min_delay_ms = 1000;
 	return 0;
 }
 
-static void s5h1409_release(struct dvb_frontend* fe)
+static void s5h1409_release(struct dvb_frontend *fe)
 {
-	struct s5h1409_state* state = fe->demodulator_priv;
+	struct s5h1409_state *state = fe->demodulator_priv;
 	kfree(state);
 }
 
 static struct dvb_frontend_ops s5h1409_ops;
 
-struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
-				    struct i2c_adapter* i2c)
+struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
+				    struct i2c_adapter *i2c)
 {
-	struct s5h1409_state* state = NULL;
+	struct s5h1409_state *state = NULL;
 	u16 reg;
 
 	/* allocate memory for the internal state */
@@ -825,6 +830,7 @@ error:
 	kfree(state);
 	return NULL;
 }
+EXPORT_SYMBOL(s5h1409_attach);
 
 static struct dvb_frontend_ops s5h1409_ops = {
 
@@ -850,14 +856,10 @@ static struct dvb_frontend_ops s5h1409_ops = {
 	.release              = s5h1409_release,
 };
 
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Enable verbose debug messages");
-
 MODULE_DESCRIPTION("Samsung S5H1409 QAM-B/ATSC Demodulator driver");
 MODULE_AUTHOR("Steven Toth");
 MODULE_LICENSE("GPL");
 
-EXPORT_SYMBOL(s5h1409_attach);
 
 /*
  * Local variables:
diff --git a/drivers/media/dvb/frontends/s5h1409.h b/drivers/media/dvb/frontends/s5h1409.h
index d1a1d2eb8e1..070d9743e33 100644
--- a/drivers/media/dvb/frontends/s5h1409.h
+++ b/drivers/media/dvb/frontends/s5h1409.h
@@ -24,8 +24,7 @@
 
 #include <linux/dvb/frontend.h>
 
-struct s5h1409_config
-{
+struct s5h1409_config {
 	/* the demodulator's i2c address */
 	u8 demod_address;
 
@@ -60,12 +59,14 @@ struct s5h1409_config
 	u16 mpeg_timing;
 };
 
-#if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) && defined(MODULE))
-extern struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
-					   struct i2c_adapter* i2c);
+#if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) \
+	&& defined(MODULE))
+extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
+					   struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
-						  struct i2c_adapter* i2c)
+static inline struct dvb_frontend *s5h1409_attach(
+	const struct s5h1409_config *config,
+	struct i2c_adapter *i2c)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
-- 
GitLab


From b431c61642c086e93eec5198b974119f576481eb Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:27:48 -0300
Subject: [PATCH 1074/2224] V4L/DVB (9259): s5h1411: Checkpatch compliance

s5h1411: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index 2da1a3763de..2febfb5a846 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -343,7 +343,7 @@ static int s5h1411_writereg(struct s5h1411_state *state,
 	u8 addr, u8 reg, u16 data)
 {
 	int ret;
-	u8 buf [] = { reg, data >> 8,  data & 0xff };
+	u8 buf[] = { reg, data >> 8,  data & 0xff };
 
 	struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = buf, .len = 3 };
 
@@ -359,10 +359,10 @@ static int s5h1411_writereg(struct s5h1411_state *state,
 static u16 s5h1411_readreg(struct s5h1411_state *state, u8 addr, u8 reg)
 {
 	int ret;
-	u8 b0 [] = { reg };
-	u8 b1 [] = { 0, 0 };
+	u8 b0[] = { reg };
+	u8 b1[] = { 0, 0 };
 
-	struct i2c_msg msg [] = {
+	struct i2c_msg msg[] = {
 		{ .addr = addr, .flags = 0, .buf = b0, .len = 1 },
 		{ .addr = addr, .flags = I2C_M_RD, .buf = b1, .len = 2 } };
 
-- 
GitLab


From 93504abfeb63397e2efe027f1c906e8e0ba8e57a Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:28:32 -0300
Subject: [PATCH 1075/2224] V4L/DVB (9260): cx24123: Checkpatch compliance

cx24123: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/cx24123.c | 228 +++++++++++++++-----------
 drivers/media/dvb/frontends/cx24123.h |  10 +-
 2 files changed, 133 insertions(+), 105 deletions(-)

diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c
index 7156157cb34..1a8c36f7606 100644
--- a/drivers/media/dvb/frontends/cx24123.c
+++ b/drivers/media/dvb/frontends/cx24123.c
@@ -33,7 +33,13 @@
 #define XTAL 10111000
 
 static int force_band;
+module_param(force_band, int, 0644);
+MODULE_PARM_DESC(force_band, "Force a specific band select "\
+	"(1-9, default:off).");
+
 static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
 
 #define info(args...) do { printk(KERN_INFO "CX24123: " args); } while (0)
 #define err(args...)  do { printk(KERN_ERR  "CX24123: " args); } while (0)
@@ -46,10 +52,9 @@ static int debug;
 		} \
 	} while (0)
 
-struct cx24123_state
-{
-	struct i2c_adapter* i2c;
-	const struct cx24123_config* config;
+struct cx24123_state {
+	struct i2c_adapter *i2c;
+	const struct cx24123_config *config;
 
 	struct dvb_frontend frontend;
 
@@ -70,8 +75,7 @@ struct cx24123_state
 };
 
 /* Various tuner defaults need to be established for a given symbol rate Sps */
-static struct
-{
+static struct cx24123_AGC_val {
 	u32 symbolrate_low;
 	u32 symbolrate_high;
 	u32 VCAprogdata;
@@ -109,8 +113,7 @@ static struct
  * fixme: The bounds on the bands do not match the doc in real life.
  * fixme: Some of them have been moved, other might need adjustment.
  */
-static struct
-{
+static struct cx24123_bandselect_val {
 	u32 freq_low;
 	u32 freq_high;
 	u32 VCOdivider;
@@ -249,7 +252,8 @@ static int cx24123_i2c_writereg(struct cx24123_state *state,
 
 	/* printk(KERN_DEBUG "wr(%02x): %02x %02x\n", i2c_addr, reg, data); */
 
-	if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+	err = i2c_transfer(state->i2c, &msg, 1);
+	if (err != 1) {
 		printk("%s: writereg error(err == %i, reg == 0x%02x,"
 			 " data == 0x%02x)\n", __func__, err, reg, data);
 		return err;
@@ -284,7 +288,8 @@ static int cx24123_i2c_readreg(struct cx24123_state *state, u8 i2c_addr, u8 reg)
 #define cx24123_writereg(state, reg, val) \
 	cx24123_i2c_writereg(state, state->config->demod_address, reg, val)
 
-static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_inversion_t inversion)
+static int cx24123_set_inversion(struct cx24123_state *state,
+	fe_spectral_inversion_t inversion)
 {
 	u8 nom_reg = cx24123_readreg(state, 0x0e);
 	u8 auto_reg = cx24123_readreg(state, 0x10);
@@ -311,7 +316,8 @@ static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_invers
 	return 0;
 }
 
-static int cx24123_get_inversion(struct cx24123_state* state, fe_spectral_inversion_t *inversion)
+static int cx24123_get_inversion(struct cx24123_state *state,
+	fe_spectral_inversion_t *inversion)
 {
 	u8 val;
 
@@ -328,18 +334,20 @@ static int cx24123_get_inversion(struct cx24123_state* state, fe_spectral_invers
 	return 0;
 }
 
-static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec)
+static int cx24123_set_fec(struct cx24123_state *state, fe_code_rate_t fec)
 {
 	u8 nom_reg = cx24123_readreg(state, 0x0e) & ~0x07;
 
-	if ( (fec < FEC_NONE) || (fec > FEC_AUTO) )
+	if ((fec < FEC_NONE) || (fec > FEC_AUTO))
 		fec = FEC_AUTO;
 
 	/* Set the soft decision threshold */
-	if(fec == FEC_1_2)
-		cx24123_writereg(state, 0x43, cx24123_readreg(state, 0x43) | 0x01);
+	if (fec == FEC_1_2)
+		cx24123_writereg(state, 0x43,
+			cx24123_readreg(state, 0x43) | 0x01);
 	else
-		cx24123_writereg(state, 0x43, cx24123_readreg(state, 0x43) & ~0x01);
+		cx24123_writereg(state, 0x43,
+			cx24123_readreg(state, 0x43) & ~0x01);
 
 	switch (fec) {
 	case FEC_1_2:
@@ -388,11 +396,11 @@ static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec)
 	return 0;
 }
 
-static int cx24123_get_fec(struct cx24123_state* state, fe_code_rate_t *fec)
+static int cx24123_get_fec(struct cx24123_state *state, fe_code_rate_t *fec)
 {
 	int ret;
 
-	ret = cx24123_readreg (state, 0x1b);
+	ret = cx24123_readreg(state, 0x1b);
 	if (ret < 0)
 		return ret;
 	ret = ret & 0x07;
@@ -433,16 +441,16 @@ static u32 cx24123_int_log2(u32 a, u32 b)
 {
 	u32 exp, nearest = 0;
 	u32 div = a / b;
-	if(a % b >= b / 2) ++div;
-	if(div < (1 << 31))
-	{
-		for(exp = 1; div > exp; nearest++)
+	if (a % b >= b / 2)
+		++div;
+	if (div < (1 << 31)) {
+		for (exp = 1; div > exp; nearest++)
 			exp += exp;
 	}
 	return nearest;
 }
 
-static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate)
+static int cx24123_set_symbolrate(struct cx24123_state *state, u32 srate)
 {
 	u32 tmp, sample_rate, ratio, sample_gain;
 	u8 pll_mult;
@@ -498,9 +506,9 @@ static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate)
 
 	cx24123_writereg(state, 0x01, pll_mult * 6);
 
-	cx24123_writereg(state, 0x08, (ratio >> 16) & 0x3f );
-	cx24123_writereg(state, 0x09, (ratio >>  8) & 0xff );
-	cx24123_writereg(state, 0x0a, (ratio      ) & 0xff );
+	cx24123_writereg(state, 0x08, (ratio >> 16) & 0x3f);
+	cx24123_writereg(state, 0x09, (ratio >> 8) & 0xff);
+	cx24123_writereg(state, 0x0a, ratio & 0xff);
 
 	/* also set the demodulator sample gain */
 	sample_gain = cx24123_int_log2(sample_rate, srate);
@@ -514,10 +522,12 @@ static int cx24123_set_symbolrate(struct cx24123_state* state, u32 srate)
 }
 
 /*
- * Based on the required frequency and symbolrate, the tuner AGC has to be configured
- * and the correct band selected. Calculate those values
+ * Based on the required frequency and symbolrate, the tuner AGC has
+ * to be configured and the correct band selected.
+ * Calculate those values.
  */
-static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx24123_pll_calculate(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *p)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	u32 ndiv = 0, adiv = 0, vco_div = 0;
@@ -525,6 +535,8 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa
 	int pump = 2;
 	int band = 0;
 	int num_bands = ARRAY_SIZE(cx24123_bandselect_vals);
+	struct cx24123_bandselect_val *bsv = NULL;
+	struct cx24123_AGC_val *agcv = NULL;
 
 	/* Defaults for low freq, low rate */
 	state->VCAarg = cx24123_AGC_vals[0].VCAprogdata;
@@ -532,58 +544,65 @@ static int cx24123_pll_calculate(struct dvb_frontend* fe, struct dvb_frontend_pa
 	state->bandselectarg = cx24123_bandselect_vals[0].progdata;
 	vco_div = cx24123_bandselect_vals[0].VCOdivider;
 
-	/* For the given symbol rate, determine the VCA, VGA and FILTUNE programming bits */
-	for (i = 0; i < ARRAY_SIZE(cx24123_AGC_vals); i++)
-	{
-		if ((cx24123_AGC_vals[i].symbolrate_low <= p->u.qpsk.symbol_rate) &&
-		    (cx24123_AGC_vals[i].symbolrate_high >= p->u.qpsk.symbol_rate) ) {
-			state->VCAarg = cx24123_AGC_vals[i].VCAprogdata;
-			state->VGAarg = cx24123_AGC_vals[i].VGAprogdata;
-			state->FILTune = cx24123_AGC_vals[i].FILTune;
+	/* For the given symbol rate, determine the VCA, VGA and
+	 * FILTUNE programming bits */
+	for (i = 0; i < ARRAY_SIZE(cx24123_AGC_vals); i++) {
+		agcv = &cx24123_AGC_vals[i];
+		if ((agcv->symbolrate_low <= p->u.qpsk.symbol_rate) &&
+		    (agcv->symbolrate_high >= p->u.qpsk.symbol_rate)) {
+			state->VCAarg = agcv->VCAprogdata;
+			state->VGAarg = agcv->VGAprogdata;
+			state->FILTune = agcv->FILTune;
 		}
 	}
 
 	/* determine the band to use */
-	if(force_band < 1 || force_band > num_bands)
-	{
-		for (i = 0; i < num_bands; i++)
-		{
-			if ((cx24123_bandselect_vals[i].freq_low <= p->frequency) &&
-			    (cx24123_bandselect_vals[i].freq_high >= p->frequency) )
+	if (force_band < 1 || force_band > num_bands) {
+		for (i = 0; i < num_bands; i++) {
+			bsv = &cx24123_bandselect_vals[i];
+			if ((bsv->freq_low <= p->frequency) &&
+				(bsv->freq_high >= p->frequency))
 				band = i;
 		}
-	}
-	else
+	} else
 		band = force_band - 1;
 
 	state->bandselectarg = cx24123_bandselect_vals[band].progdata;
 	vco_div = cx24123_bandselect_vals[band].VCOdivider;
 
 	/* determine the charge pump current */
-	if ( p->frequency < (cx24123_bandselect_vals[band].freq_low + cx24123_bandselect_vals[band].freq_high)/2 )
+	if (p->frequency < (cx24123_bandselect_vals[band].freq_low +
+		cx24123_bandselect_vals[band].freq_high) / 2)
 		pump = 0x01;
 	else
 		pump = 0x02;
 
 	/* Determine the N/A dividers for the requested lband freq (in kHz). */
-	/* Note: the reference divider R=10, frequency is in KHz, XTAL is in Hz */
-	ndiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) / 32) & 0x1ff;
-	adiv = ( ((p->frequency * vco_div * 10) / (2 * XTAL / 1000)) % 32) & 0x1f;
+	/* Note: the reference divider R=10, frequency is in KHz,
+	 * XTAL is in Hz */
+	ndiv = (((p->frequency * vco_div * 10) /
+		(2 * XTAL / 1000)) / 32) & 0x1ff;
+	adiv = (((p->frequency * vco_div * 10) /
+		(2 * XTAL / 1000)) % 32) & 0x1f;
 
 	if (adiv == 0 && ndiv > 0)
 		ndiv--;
 
-	/* control bits 11, refdiv 11, charge pump polarity 1, charge pump current, ndiv, adiv */
-	state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) | (pump << 14) | (ndiv << 5) | adiv;
+	/* control bits 11, refdiv 11, charge pump polarity 1,
+	 * charge pump current, ndiv, adiv */
+	state->pllarg = (3 << 19) | (3 << 17) | (1 << 16) |
+		(pump << 14) | (ndiv << 5) | adiv;
 
 	return 0;
 }
 
 /*
  * Tuner data is 21 bits long, must be left-aligned in data.
- * Tuner cx24109 is written through a dedicated 3wire interface on the demod chip.
+ * Tuner cx24109 is written through a dedicated 3wire interface
+ * on the demod chip.
  */
-static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_parameters *p, u32 data)
+static int cx24123_pll_writereg(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *p, u32 data)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	unsigned long timeout;
@@ -610,7 +629,7 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par
 
 	/* send another 8 bytes, wait for the send to be completed */
 	timeout = jiffies + msecs_to_jiffies(40);
-	cx24123_writereg(state, 0x22, (data>>8) & 0xff );
+	cx24123_writereg(state, 0x22, (data >> 8) & 0xff);
 	while ((cx24123_readreg(state, 0x20) & 0x40) == 0) {
 		if (time_after(jiffies, timeout)) {
 			err("%s:  demodulator is not responding, "\
@@ -620,9 +639,10 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par
 		msleep(10);
 	}
 
-	/* send the lower 5 bits of this byte, padded with 3 LBB, wait for the send to be completed */
+	/* send the lower 5 bits of this byte, padded with 3 LBB,
+	 * wait for the send to be completed */
 	timeout = jiffies + msecs_to_jiffies(40);
-	cx24123_writereg(state, 0x22, (data) & 0xff );
+	cx24123_writereg(state, 0x22, (data) & 0xff);
 	while ((cx24123_readreg(state, 0x20) & 0x80)) {
 		if (time_after(jiffies, timeout)) {
 			err("%s:  demodulator is not responding," \
@@ -639,7 +659,8 @@ static int cx24123_pll_writereg(struct dvb_frontend* fe, struct dvb_frontend_par
 	return 0;
 }
 
-static int cx24123_pll_tune(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx24123_pll_tune(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *p)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	u8 val;
@@ -690,7 +711,7 @@ static int cx24123_repeater_mode(struct cx24123_state *state, u8 mode, u8 start)
 	return cx24123_writereg(state, 0x23, r);
 }
 
-static int cx24123_initfe(struct dvb_frontend* fe)
+static int cx24123_initfe(struct dvb_frontend *fe)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	int i;
@@ -699,19 +720,22 @@ static int cx24123_initfe(struct dvb_frontend* fe)
 
 	/* Configure the demod to a good set of defaults */
 	for (i = 0; i < ARRAY_SIZE(cx24123_regdata); i++)
-		cx24123_writereg(state, cx24123_regdata[i].reg, cx24123_regdata[i].data);
+		cx24123_writereg(state, cx24123_regdata[i].reg,
+			cx24123_regdata[i].data);
 
 	/* Set the LNB polarity */
-	if(state->config->lnb_polarity)
-		cx24123_writereg(state, 0x32, cx24123_readreg(state, 0x32) | 0x02);
+	if (state->config->lnb_polarity)
+		cx24123_writereg(state, 0x32,
+			cx24123_readreg(state, 0x32) | 0x02);
 
 	if (state->config->dont_use_pll)
-	cx24123_repeater_mode(state, 1, 0);
+		cx24123_repeater_mode(state, 1, 0);
 
 	return 0;
 }
 
-static int cx24123_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
+static int cx24123_set_voltage(struct dvb_frontend *fe,
+	fe_sec_voltage_t voltage)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	u8 val;
@@ -740,7 +764,7 @@ static void cx24123_wait_for_diseqc(struct cx24123_state *state)
 {
 	unsigned long timeout = jiffies + msecs_to_jiffies(200);
 	while (!(cx24123_readreg(state, 0x29) & 0x40)) {
-		if(time_after(jiffies, timeout)) {
+		if (time_after(jiffies, timeout)) {
 			err("%s: diseqc queue not ready, " \
 				"command may be lost.\n", __func__);
 			break;
@@ -749,7 +773,8 @@ static void cx24123_wait_for_diseqc(struct cx24123_state *state)
 	}
 }
 
-static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd)
+static int cx24123_send_diseqc_msg(struct dvb_frontend *fe,
+	struct dvb_diseqc_master_cmd *cmd)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	int i, val, tone;
@@ -771,20 +796,21 @@ static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
 		cx24123_writereg(state, 0x2C + i, cmd->msg[i]);
 
 	val = cx24123_readreg(state, 0x29);
-	cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40) | ((cmd->msg_len-3) & 3));
+	cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40) |
+		((cmd->msg_len-3) & 3));
 
 	/* wait for diseqc message to finish sending */
 	cx24123_wait_for_diseqc(state);
 
 	/* restart continuous tone if enabled */
-	if (tone & 0x10) {
+	if (tone & 0x10)
 		cx24123_writereg(state, 0x29, tone & ~0x40);
-	}
 
 	return 0;
 }
 
-static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
+static int cx24123_diseqc_send_burst(struct dvb_frontend *fe,
+	fe_sec_mini_cmd_t burst)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	int val, tone;
@@ -814,13 +840,13 @@ static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
 	cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb);
 
 	/* restart continuous tone if enabled */
-	if (tone & 0x10) {
+	if (tone & 0x10)
 		cx24123_writereg(state, 0x29, tone & ~0x40);
-	}
+
 	return 0;
 }
 
-static int cx24123_read_status(struct dvb_frontend* fe, fe_status_t* status)
+static int cx24123_read_status(struct dvb_frontend *fe, fe_status_t *status)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	int sync = cx24123_readreg(state, 0x14);
@@ -853,8 +879,9 @@ static int cx24123_read_status(struct dvb_frontend* fe, fe_status_t* status)
 }
 
 /*
- * Configured to return the measurement of errors in blocks, because no UCBLOCKS value
- * is available, so this value doubles up to satisfy both measurements
+ * Configured to return the measurement of errors in blocks,
+ * because no UCBLOCKS value is available, so this value doubles up
+ * to satisfy both measurements.
  */
 static int cx24123_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
@@ -876,7 +903,8 @@ static int cx24123_read_signal_strength(struct dvb_frontend *fe,
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 
-	*signal_strength = cx24123_readreg(state, 0x3b) << 8; /* larger = better */
+	/* larger = better */
+	*signal_strength = cx24123_readreg(state, 0x3b) << 8;
 
 	dprintk("Signal strength = %d\n", *signal_strength);
 
@@ -907,7 +935,7 @@ static int cx24123_set_frontend(struct dvb_frontend *fe,
 	if (state->config->set_ts_params)
 		state->config->set_ts_params(fe, 0);
 
-	state->currentfreq=p->frequency;
+	state->currentfreq = p->frequency;
 	state->currentsymbolrate = p->u.qpsk.symbol_rate;
 
 	cx24123_set_inversion(state, p->inversion);
@@ -932,7 +960,8 @@ static int cx24123_set_frontend(struct dvb_frontend *fe,
 	return 0;
 }
 
-static int cx24123_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx24123_get_frontend(struct dvb_frontend *fe,
+	struct dvb_frontend_parameters *p)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 
@@ -952,7 +981,7 @@ static int cx24123_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 	return 0;
 }
 
-static int cx24123_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
+static int cx24123_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
 {
 	struct cx24123_state *state = fe->demodulator_priv;
 	u8 val;
@@ -977,8 +1006,8 @@ static int cx24123_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 	return 0;
 }
 
-static int cx24123_tune(struct dvb_frontend* fe,
-			struct dvb_frontend_parameters* params,
+static int cx24123_tune(struct dvb_frontend *fe,
+			struct dvb_frontend_parameters *params,
 			unsigned int mode_flags,
 			unsigned int *delay,
 			fe_status_t *status)
@@ -997,12 +1026,12 @@ static int cx24123_tune(struct dvb_frontend* fe,
 
 static int cx24123_get_algo(struct dvb_frontend *fe)
 {
-	return 1; //FE_ALGO_HW
+	return 1; /* FE_ALGO_HW */
 }
 
-static void cx24123_release(struct dvb_frontend* fe)
+static void cx24123_release(struct dvb_frontend *fe)
 {
-	struct cx24123_state* state = fe->demodulator_priv;
+	struct cx24123_state *state = fe->demodulator_priv;
 	dprintk("\n");
 	i2c_del_adapter(&state->tuner_i2c_adapter);
 	kfree(state);
@@ -1013,7 +1042,7 @@ static int cx24123_tuner_i2c_tuner_xfer(struct i2c_adapter *i2c_adap,
 {
 	struct cx24123_state *state = i2c_get_adapdata(i2c_adap);
 	/* this repeater closes after the first stop */
-    cx24123_repeater_mode(state, 1, 1);
+	cx24123_repeater_mode(state, 1, 1);
 	return i2c_transfer(state->i2c, msg, num);
 }
 
@@ -1037,8 +1066,8 @@ EXPORT_SYMBOL(cx24123_get_tuner_i2c_adapter);
 
 static struct dvb_frontend_ops cx24123_ops;
 
-struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
-				    struct i2c_adapter* i2c)
+struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
+				    struct i2c_adapter *i2c)
 {
 	struct cx24123_state *state =
 		kzalloc(sizeof(struct cx24123_state), GFP_KERNEL);
@@ -1057,20 +1086,25 @@ struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
 	/* check if the demod is there */
 	state->demod_rev = cx24123_readreg(state, 0x00);
 	switch (state->demod_rev) {
-	case 0xe1: info("detected CX24123C\n"); break;
-	case 0xd1: info("detected CX24123\n"); break;
+	case 0xe1:
+		info("detected CX24123C\n");
+		break;
+	case 0xd1:
+		info("detected CX24123\n");
+		break;
 	default:
 		err("wrong demod revision: %x\n", state->demod_rev);
 		goto error;
 	}
 
 	/* create dvb_frontend */
-	memcpy(&state->frontend.ops, &cx24123_ops, sizeof(struct dvb_frontend_ops));
+	memcpy(&state->frontend.ops, &cx24123_ops,
+		sizeof(struct dvb_frontend_ops));
 	state->frontend.demodulator_priv = state;
 
-    /* create tuner i2c adapter */
-    if (config->dont_use_pll)
-	cx24123_repeater_mode(state, 1, 0);
+	/* create tuner i2c adapter */
+	if (config->dont_use_pll)
+		cx24123_repeater_mode(state, 1, 0);
 
 	strlcpy(state->tuner_i2c_adapter.name, "CX24123 tuner I2C bus",
 		sizeof(state->tuner_i2c_adapter.name));
@@ -1079,7 +1113,7 @@ struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
 	state->tuner_i2c_adapter.algo_data = NULL;
 	i2c_set_adapdata(&state->tuner_i2c_adapter, state);
 	if (i2c_add_adapter(&state->tuner_i2c_adapter) < 0) {
-	err("tuner i2c bus could not be initialized\n");
+		err("tuner i2c bus could not be initialized\n");
 		goto error;
 	}
 
@@ -1090,6 +1124,7 @@ error:
 
 	return NULL;
 }
+EXPORT_SYMBOL(cx24123_attach);
 
 static struct dvb_frontend_ops cx24123_ops = {
 
@@ -1126,15 +1161,8 @@ static struct dvb_frontend_ops cx24123_ops = {
 	.get_frontend_algo = cx24123_get_algo,
 };
 
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
-
-module_param(force_band, int, 0644);
-MODULE_PARM_DESC(force_band, "Force a specific band select (1-9, default:off).");
-
 MODULE_DESCRIPTION("DVB Frontend module for Conexant " \
 	"CX24123/CX24109/CX24113 hardware");
 MODULE_AUTHOR("Steven Toth");
 MODULE_LICENSE("GPL");
 
-EXPORT_SYMBOL(cx24123_attach);
diff --git a/drivers/media/dvb/frontends/cx24123.h b/drivers/media/dvb/frontends/cx24123.h
index cc6b411d6d2..51ae866e9fe 100644
--- a/drivers/media/dvb/frontends/cx24123.h
+++ b/drivers/media/dvb/frontends/cx24123.h
@@ -23,13 +23,12 @@
 
 #include <linux/dvb/frontend.h>
 
-struct cx24123_config
-{
+struct cx24123_config {
 	/* the demodulator's i2c address */
 	u8 demod_address;
 
 	/* Need to set device param for start_dma */
-	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
 
 	/* 0 = LNB voltage normal, 1 = LNB voltage inverted */
 	int lnb_polarity;
@@ -39,7 +38,8 @@ struct cx24123_config
 	void (*agc_callback) (struct dvb_frontend *);
 };
 
-#if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) && defined(MODULE))
+#if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) \
+	&& defined(MODULE))
 extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config,
 					   struct i2c_adapter *i2c);
 extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *);
@@ -56,6 +56,6 @@ static struct i2c_adapter *
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
-#endif // CONFIG_DVB_CX24123
+#endif
 
 #endif /* CX24123_H */
-- 
GitLab


From 8f3cd53006a7645ffbedb982425f033497b1ee3c Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:29:38 -0300
Subject: [PATCH 1076/2224] V4L/DVB (9261): xc5000: Checkpatch compliance

xc5000: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/common/tuners/xc5000.c | 73 ++++++++++++++--------------
 drivers/media/common/tuners/xc5000.h |  8 +--
 2 files changed, 41 insertions(+), 40 deletions(-)

diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index f9c2bb917f5..e12d13e0cbe 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -43,7 +43,7 @@ MODULE_PARM_DESC(init_fw, "Load firmware during driver initialization.");
 static DEFINE_MUTEX(xc5000_list_mutex);
 static LIST_HEAD(hybrid_tuner_instance_list);
 
-#define dprintk(level,fmt, arg...) if (debug >= level) \
+#define dprintk(level, fmt, arg...) if (debug >= level) \
 	printk(KERN_INFO "%s: " fmt, "xc5000", ## arg)
 
 #define XC5000_DEFAULT_FIRMWARE "dvb-fe-xc5000-1.1.fw"
@@ -138,11 +138,11 @@ struct xc5000_priv {
    immediately the length of the following transaction.
 
 */
-typedef struct {
+struct XC_TV_STANDARD {
 	char *Name;
 	u16 AudioMode;
 	u16 VideoMode;
-} XC_TV_STANDARD;
+};
 
 /* Tuner standards */
 #define MN_NTSC_PAL_BTSC	0
@@ -169,7 +169,7 @@ typedef struct {
 #define FM_Radio_INPUT2 	21
 #define FM_Radio_INPUT1 	22
 
-static XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
+static struct XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
 	{"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020},
 	{"M/N-NTSC/PAL-A2",   0x0600, 0x8020},
 	{"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020},
@@ -183,7 +183,7 @@ static XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
 	{"D/K-PAL-NICAM",     0x0E80, 0x8009},
 	{"D/K-PAL-MONO",      0x1478, 0x8009},
 	{"D/K-SECAM-A2 DK1",  0x1200, 0x8009},
-	{"D/K-SECAM-A2 L/DK3",0x0E00, 0x8009},
+	{"D/K-SECAM-A2 L/DK3", 0x0E00, 0x8009},
 	{"D/K-SECAM-A2 MONO", 0x1478, 0x8009},
 	{"L-SECAM-NICAM",     0x8E82, 0x0009},
 	{"L'-SECAM-NICAM",    0x8E82, 0x4009},
@@ -307,9 +307,10 @@ static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
 	unsigned int len, pos, index;
 	u8 buf[XC_MAX_I2C_WRITE_LENGTH];
 
-	index=0;
-	while ((i2c_sequence[index]!=0xFF) || (i2c_sequence[index+1]!=0xFF)) {
-		len = i2c_sequence[index]* 256 + i2c_sequence[index+1];
+	index = 0;
+	while ((i2c_sequence[index] != 0xFF) ||
+		(i2c_sequence[index + 1] != 0xFF)) {
+		len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
 		if (len == 0x0000) {
 			/* RESET command */
 			result = xc_reset(fe);
@@ -329,15 +330,17 @@ static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
 			buf[1] = i2c_sequence[index + 1];
 			pos = 2;
 			while (pos < len) {
-				if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2) {
-					nbytes_to_send = XC_MAX_I2C_WRITE_LENGTH;
-				} else {
+				if ((len - pos) > XC_MAX_I2C_WRITE_LENGTH - 2)
+					nbytes_to_send =
+						XC_MAX_I2C_WRITE_LENGTH;
+				else
 					nbytes_to_send = (len - pos + 2);
+				for (i = 2; i < nbytes_to_send; i++) {
+					buf[i] = i2c_sequence[index + pos +
+						i - 2];
 				}
-				for (i=2; i<nbytes_to_send; i++) {
-					buf[i] = i2c_sequence[index + pos + i - 2];
-				}
-				result = xc_send_i2c_data(priv, buf, nbytes_to_send);
+				result = xc_send_i2c_data(priv, buf,
+					nbytes_to_send);
 
 				if (result != XC_RESULT_SUCCESS)
 					return result;
@@ -386,8 +389,7 @@ static int xc_SetSignalSource(struct xc5000_priv *priv, u16 rf_mode)
 	dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
 		rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
 
-	if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE))
-	{
+	if ((rf_mode != XC_RF_MODE_AIR) && (rf_mode != XC_RF_MODE_CABLE)) {
 		rf_mode = XC_RF_MODE_CABLE;
 		printk(KERN_ERR
 			"%s(), Invalid mode, defaulting to CABLE",
@@ -560,13 +562,13 @@ static int xc5000_readregs(struct xc5000_priv *priv, u8 *buf, u8 len)
 		.flags = I2C_M_RD, .buf = buf, .len = len };
 
 	if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
-		printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n",(int)len);
+		printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n", (int)len);
 		return -EREMOTEIO;
 	}
 	return 0;
 }
 
-static int xc5000_fwupload(struct dvb_frontend* fe)
+static int xc5000_fwupload(struct dvb_frontend *fe)
 {
 	struct xc5000_priv *priv = fe->tuner_priv;
 	const struct firmware *fw;
@@ -576,7 +578,8 @@ static int xc5000_fwupload(struct dvb_frontend* fe)
 	printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
 		XC5000_DEFAULT_FIRMWARE);
 
-	ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE, &priv->i2c_props.adap->dev);
+	ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE,
+		&priv->i2c_props.adap->dev);
 	if (ret) {
 		printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
 		ret = XC_RESULT_RESET_FAILURE;
@@ -592,7 +595,7 @@ static int xc5000_fwupload(struct dvb_frontend* fe)
 		ret = XC_RESULT_RESET_FAILURE;
 	} else {
 		printk(KERN_INFO "xc5000: firmware upload\n");
-		ret = xc_load_i2c_sequence(fe,  fw->data );
+		ret = xc_load_i2c_sequence(fe,  fw->data);
 	}
 
 out:
@@ -651,7 +654,7 @@ static int xc5000_set_params(struct dvb_frontend *fe,
 
 	dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency);
 
-	switch(params->u.vsb.modulation) {
+	switch (params->u.vsb.modulation) {
 	case VSB_8:
 	case VSB_16:
 		dprintk(1, "%s() VSB modulation\n", __func__);
@@ -748,42 +751,42 @@ static int xc5000_set_analog_params(struct dvb_frontend *fe,
 	/* FIX ME: Some video standards may have several possible audio
 		   standards. We simply default to one of them here.
 	 */
-	if(params->std & V4L2_STD_MN) {
+	if (params->std & V4L2_STD_MN) {
 		/* default to BTSC audio standard */
 		priv->video_standard = MN_NTSC_PAL_BTSC;
 		goto tune_channel;
 	}
 
-	if(params->std & V4L2_STD_PAL_BG) {
+	if (params->std & V4L2_STD_PAL_BG) {
 		/* default to NICAM audio standard */
 		priv->video_standard = BG_PAL_NICAM;
 		goto tune_channel;
 	}
 
-	if(params->std & V4L2_STD_PAL_I) {
+	if (params->std & V4L2_STD_PAL_I) {
 		/* default to NICAM audio standard */
 		priv->video_standard = I_PAL_NICAM;
 		goto tune_channel;
 	}
 
-	if(params->std & V4L2_STD_PAL_DK) {
+	if (params->std & V4L2_STD_PAL_DK) {
 		/* default to NICAM audio standard */
 		priv->video_standard = DK_PAL_NICAM;
 		goto tune_channel;
 	}
 
-	if(params->std & V4L2_STD_SECAM_DK) {
+	if (params->std & V4L2_STD_SECAM_DK) {
 		/* default to A2 DK1 audio standard */
 		priv->video_standard = DK_SECAM_A2DK1;
 		goto tune_channel;
 	}
 
-	if(params->std & V4L2_STD_SECAM_L) {
+	if (params->std & V4L2_STD_SECAM_L) {
 		priv->video_standard = L_SECAM_NICAM;
 		goto tune_channel;
 	}
 
-	if(params->std & V4L2_STD_SECAM_LC) {
+	if (params->std & V4L2_STD_SECAM_LC) {
 		priv->video_standard = LC_SECAM_NICAM;
 		goto tune_channel;
 	}
@@ -791,7 +794,7 @@ static int xc5000_set_analog_params(struct dvb_frontend *fe,
 tune_channel:
 	ret = xc_SetSignalSource(priv, priv->rf_mode);
 	if (ret != XC_RESULT_SUCCESS) {
-	printk(KERN_ERR
+		printk(KERN_ERR
 			"xc5000: xc_SetSignalSource(%d) failed\n",
 			priv->rf_mode);
 		return -EREMOTEIO;
@@ -863,7 +866,7 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
 	 * I2C transactions until calibration is complete.  This way we
 	 * don't have to rely on clock stretching working.
 	 */
-	xc_wait( 100 );
+	xc_wait(100);
 
 	/* Default to "CABLE" mode */
 	ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
@@ -885,15 +888,13 @@ static int xc5000_sleep(struct dvb_frontend *fe)
 	 */
 
 	ret = xc_shutdown(priv);
-	if(ret != XC_RESULT_SUCCESS) {
+	if (ret != XC_RESULT_SUCCESS) {
 		printk(KERN_ERR
 			"xc5000: %s() unable to shutdown tuner\n",
 			__func__);
 		return -EREMOTEIO;
-	}
-	else {
+	} else
 		return XC_RESULT_SUCCESS;
-	}
 }
 
 static int xc5000_init(struct dvb_frontend *fe)
@@ -989,7 +990,7 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
 	if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)
 		goto fail;
 
-	switch(id) {
+	switch (id) {
 	case XC_PRODUCT_ID_FW_LOADED:
 		printk(KERN_INFO
 			"xc5000: Successfully identified at address 0x%02x\n",
diff --git a/drivers/media/common/tuners/xc5000.h b/drivers/media/common/tuners/xc5000.h
index cf1a558e0e7..f4c146698a0 100644
--- a/drivers/media/common/tuners/xc5000.h
+++ b/drivers/media/common/tuners/xc5000.h
@@ -45,17 +45,17 @@ struct xc5000_config {
 
 #if defined(CONFIG_MEDIA_TUNER_XC5000) || \
     (defined(CONFIG_MEDIA_TUNER_XC5000_MODULE) && defined(MODULE))
-extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
+extern struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
 					  struct i2c_adapter *i2c,
 					  struct xc5000_config *cfg);
 #else
-static inline struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
+static inline struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
 						 struct i2c_adapter *i2c,
 						 struct xc5000_config *cfg)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
-#endif // CONFIG_MEDIA_TUNER_XC5000
+#endif
 
-#endif // __XC5000_H__
+#endif
-- 
GitLab


From 376a841440967417a1e8d8f6b2672a27c43d262f Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:30:45 -0300
Subject: [PATCH 1077/2224] V4L/DVB (9262): cx88: Change spurious buffer
 message into a debug only message

A number of users have complained that their syslog often shows this
messages but it doesn't impact performance. I'm changing this to a debug
message, so developers will still see the message during testing and
users will no longer be bothered by this.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index d656fec5901..60705b08bfe 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -549,7 +549,8 @@ void cx88_wakeup(struct cx88_core *core,
 		mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 	}
 	if (bc != 1)
-		printk("%s: %d buffers handled (should be 1)\n",__func__,bc);
+		dprintk(2, "%s: %d buffers handled (should be 1)\n",
+			__func__, bc);
 }
 
 void cx88_shutdown(struct cx88_core *core)
-- 
GitLab


From 5c310b1360f4be8a2cf944d9d65892839ed27d00 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 20:31:56 -0300
Subject: [PATCH 1078/2224] V4L/DVB (9263): mxl5005s: Checkpatch compliance

mxl5005s: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/common/tuners/mxl5005s.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/common/tuners/mxl5005s.c b/drivers/media/common/tuners/mxl5005s.c
index 227642b044a..3844e1c00ff 100644
--- a/drivers/media/common/tuners/mxl5005s.c
+++ b/drivers/media/common/tuners/mxl5005s.c
@@ -3481,7 +3481,9 @@ static u16 MXL_ControlWrite_Group(struct dvb_frontend *fe, u16 controlNum,
 					}
 					ctrlVal = 0;
 					for (k = 0; k < state->MXL_Ctrl[i].size; k++)
-						ctrlVal += state->MXL_Ctrl[i].val[k] * (1 << k);
+						ctrlVal += state->
+							MXL_Ctrl[i].val[k] *
+							(1 << k);
 				} else
 					return -1;
 			}
@@ -3581,7 +3583,7 @@ static void MXL_RegWriteBit(struct dvb_frontend *fe, u8 address, u8 bit,
 
 static u32 MXL_Ceiling(u32 value, u32 resolution)
 {
-	return (value/resolution + (value % resolution > 0 ? 1 : 0));
+	return value / resolution + (value % resolution > 0 ? 1 : 0);
 }
 
 /* Retrieve the Initialzation Registers */
-- 
GitLab


From 6594690b39f9f9fcadafb1caf019bfd7a326e2e5 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Wed, 15 Oct 2008 13:37:59 -0300
Subject: [PATCH 1079/2224] V4L/DVB (9264): MFE: bugfix: multi-frontend mutual
 exclusion parallel open

When moving from one frontend to another
an application could spawn multiple threads opening
the same new frontend and in some circumstances all of
these could become delayed waiting for the previous
frontend readers or previous frontend writer thread to
complete.

In this scenario the first thread will succeed on open
to bring the new frontend online but any others will return
EBUSY. This is a fault.  If the first succeeds and all others
are on the same frontend then they should succeed also.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c | 49 +++++++++++++----------
 1 file changed, 28 insertions(+), 21 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 62696f86557..6c9b9be9e28 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1710,39 +1710,46 @@ static int dvb_frontend_open(struct inode *inode, struct file *file)
 	struct dvb_frontend *fe = dvbdev->priv;
 	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	struct dvb_adapter *adapter = fe->dvb;
-	struct dvb_device *mfedev;
-	struct dvb_frontend *mfe;
-	struct dvb_frontend_private *mfepriv;
-	int mferetry;
 	int ret;
 
 	dprintk ("%s\n", __func__);
 
 	if (adapter->mfe_shared) {
 		mutex_lock (&adapter->mfe_lock);
-		if (adapter->mfe_dvbdev != dvbdev) {
-			if (adapter->mfe_dvbdev) {
-				mfedev = adapter->mfe_dvbdev;
-				mfe = mfedev->priv;
-				mfepriv = mfe->frontend_priv;
-				mutex_unlock (&adapter->mfe_lock);
-				mferetry = (dvb_mfe_wait_time << 1);
-				while (mferetry-- && (mfedev->users != -1 || mfepriv->thread != NULL)) {
-					if(msleep_interruptible(500)) {
-						if(signal_pending(current))
-							return -EINTR;
-					}
+
+		if (adapter->mfe_dvbdev == NULL)
+			adapter->mfe_dvbdev = dvbdev;
+
+		else if (adapter->mfe_dvbdev != dvbdev) {
+			struct dvb_device
+				*mfedev = adapter->mfe_dvbdev;
+			struct dvb_frontend
+				*mfe = mfedev->priv;
+			struct dvb_frontend_private
+				*mfepriv = mfe->frontend_priv;
+			int mferetry = (dvb_mfe_wait_time << 1);
+
+			mutex_unlock (&adapter->mfe_lock);
+			while (mferetry-- && (mfedev->users != -1 ||
+					mfepriv->thread != NULL)) {
+				if(msleep_interruptible(500)) {
+					if(signal_pending(current))
+						return -EINTR;
 				}
-				mutex_lock (&adapter->mfe_lock);
+			}
+
+			mutex_lock (&adapter->mfe_lock);
+			if(adapter->mfe_dvbdev != dvbdev) {
 				mfedev = adapter->mfe_dvbdev;
 				mfe = mfedev->priv;
 				mfepriv = mfe->frontend_priv;
-				if (mfedev->users != -1 || mfepriv->thread != NULL) {
-					ret = -EBUSY;
-					goto err0;
+				if (mfedev->users != -1 ||
+						mfepriv->thread != NULL) {
+					mutex_unlock (&adapter->mfe_lock);
+					return -EBUSY;
 				}
+				adapter->mfe_dvbdev = dvbdev;
 			}
-			adapter->mfe_dvbdev = dvbdev;
 		}
 	}
 
-- 
GitLab


From 7bdf84fc47f2d2ed2194b6ade480d043207c4098 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Wed, 15 Oct 2008 13:43:41 -0300
Subject: [PATCH 1080/2224] V4L/DVB (9265): videobuf: data storage optimisation

To optimise data storage redundant vars are removed.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-core.c |  2 +-
 drivers/media/video/cx88/cx88-mpeg.c       |  2 +-
 drivers/media/video/saa7134/saa7134-dvb.c  |  2 +-
 drivers/media/video/videobuf-dvb.c         | 11 +++++------
 include/media/videobuf-dvb.h               |  5 ++---
 5 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 110e2ed2061..8f6fb2add7d 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -643,7 +643,7 @@ static int cx23885_init_tsport(struct cx23885_dev *dev,
 	init_timer(&port->mpegq.timeout);
 
 	mutex_init(&port->frontends.lock);
-	INIT_LIST_HEAD(&port->frontends.frontend.felist);
+	INIT_LIST_HEAD(&port->frontends.felist);
 	port->frontends.active_fe_id = 0;
 
 	/* This should be hardcoded allow a single frontend
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index 1d8c8dd3006..512041451d3 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -802,7 +802,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	list_add_tail(&dev->devlist,&cx8802_devlist);
 
 	mutex_init(&dev->frontends.lock);
-	INIT_LIST_HEAD(&dev->frontends.frontend.felist);
+	INIT_LIST_HEAD(&dev->frontends.felist);
 
 	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends);
 
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index d2d238912fb..7d95a692877 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -953,7 +953,7 @@ static int dvb_init(struct saa7134_dev *dev)
 
 	/* FIXME: add support for multi-frontend */
 	mutex_init(&dev->frontends.lock);
-	INIT_LIST_HEAD(&dev->frontends.frontend.felist);
+	INIT_LIST_HEAD(&dev->frontends.felist);
 	dev->frontends.active_fe_id = 0;
 
 	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index af0b75cda6f..fc4cfaa7bf5 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -162,9 +162,8 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 
 	/* Attach all of the frontends to the adapter */
 	mutex_lock(&f->lock);
-	list_for_each_safe(list, q, &f->frontend.felist) {
+	list_for_each_safe(list, q, &f->felist) {
 		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
-
 		res = videobuf_dvb_register_frontend(&f->adapter, &fe->dvb);
 		if (res < 0) {
 			printk(KERN_WARNING "%s: videobuf_dvb_register_frontend failed (errno = %d)\n",
@@ -290,7 +289,7 @@ void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 	struct videobuf_dvb_frontend *fe;
 
 	mutex_lock(&f->lock);
-	list_for_each_safe(list, q, &f->frontend.felist) {
+	list_for_each_safe(list, q, &f->felist) {
 		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
 
 		dvb_net_release(&fe->dvb.net);
@@ -316,7 +315,7 @@ struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_fro
 
 	mutex_lock(&f->lock);
 
-	list_for_each_safe(list, q, &f->frontend.felist) {
+	list_for_each_safe(list, q, &f->felist) {
 		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
 		if (fe->id == id) {
 			ret = fe;
@@ -337,7 +336,7 @@ int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_fron
 
 	mutex_lock(&f->lock);
 
-	list_for_each_safe(list, q, &f->frontend.felist) {
+	list_for_each_safe(list, q, &f->felist) {
 		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
 		if (fe->dvb.frontend == p) {
 			ret = fe->id;
@@ -363,7 +362,7 @@ struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct
 	mutex_init(&fe->dvb.lock);
 
 	mutex_lock(&f->lock);
-	list_add_tail(&fe->felist,&f->frontend.felist);
+	list_add_tail(&fe->felist,&f->felist);
 	mutex_unlock(&f->lock);
 
 fail_alloc:
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index 1a401f7320b..069215c77a6 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -16,7 +16,6 @@ struct videobuf_dvb {
 	int                        nfeeds;
 
 	/* videobuf_dvb_(un)register manges this */
-	struct dvb_adapter         adapter;
 	struct dvb_demux           demux;
 	struct dmxdev              dmxdev;
 	struct dmx_frontend        fe_hw;
@@ -25,17 +24,17 @@ struct videobuf_dvb {
 };
 
 struct videobuf_dvb_frontend {
-	void *dev;
 	struct list_head felist;
+	void *dev;
 	int id;
 	struct videobuf_dvb dvb;
 };
 
 struct videobuf_dvb_frontends {
+	struct list_head felist;
 	struct mutex lock;
 	struct dvb_adapter adapter;
 	int active_fe_id; /* Indicates which frontend in the felist is in use */
-	struct videobuf_dvb_frontend frontend;
 	int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
 };
 
-- 
GitLab


From e43f3fab0514647e563ee8b5baf4ce100dd5caa5 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Wed, 15 Oct 2008 13:48:43 -0300
Subject: [PATCH 1081/2224] V4L/DVB (9266): videobuf: properly handle
 attachment failure

This fixes attachment failure where we now unwind
attachment and skip non-attached nodes where
necessary so we can survive a fault situation
correctly.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/videobuf-dvb.c | 37 +++++++++++++++++++-----------
 1 file changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index fc4cfaa7bf5..7c74845af26 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -145,19 +145,19 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 {
 	struct list_head *list, *q;
 	struct videobuf_dvb_frontend *fe;
-	int res = -EINVAL;
+	int res;
 
 	fe = videobuf_dvb_get_frontend(f, 1);
 	if (!fe) {
 		printk(KERN_WARNING "Unable to register the adapter which has no frontends\n");
-		goto err;
+		return -EINVAL;
 	}
 
 	/* Bring up the adapter */
 	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device, fe->dvb.name, adapter_nr, mfe_shared);
 	if (res < 0) {
 		printk(KERN_WARNING "videobuf_dvb_register_adapter failed (errno = %d)\n", res);
-		goto err;
+		return res;
 	}
 
 	/* Attach all of the frontends to the adapter */
@@ -168,11 +168,15 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 		if (res < 0) {
 			printk(KERN_WARNING "%s: videobuf_dvb_register_frontend failed (errno = %d)\n",
 				fe->dvb.name, res);
+			goto err;
 		}
 	}
 	mutex_unlock(&f->lock);
+	return 0;
 
 err:
+	mutex_unlock(&f->lock);
+	videobuf_dvb_unregister_bus(f);
 	return res;
 }
 
@@ -264,6 +268,10 @@ int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_
 
 	/* register network adapter */
 	dvb_net_init(adapter, &dvb->net, &dvb->demux.dmx);
+	if (dvb->net.dvbdev == NULL) {
+		result = -ENOMEM;
+		goto fail_fe_conn;
+	}
 	return 0;
 
 fail_fe_conn:
@@ -278,7 +286,7 @@ fail_dmx:
 	dvb_unregister_frontend(dvb->frontend);
 fail_frontend:
 	dvb_frontend_detach(dvb->frontend);
-	dvb_unregister_adapter(adapter);
+	dvb->frontend = NULL;
 
 	return result;
 }
@@ -291,15 +299,18 @@ void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 	mutex_lock(&f->lock);
 	list_for_each_safe(list, q, &f->felist) {
 		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
-
-		dvb_net_release(&fe->dvb.net);
-		fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_mem);
-		fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_hw);
-		dvb_dmxdev_release(&fe->dvb.dmxdev);
-		dvb_dmx_release(&fe->dvb.demux);
-		dvb_unregister_frontend(fe->dvb.frontend);
-		dvb_frontend_detach(fe->dvb.frontend);
-
+		if(fe->dvb.net.dvbdev) {
+			dvb_net_release(&fe->dvb.net);
+			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_mem);
+			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_hw);
+			dvb_dmxdev_release(&fe->dvb.dmxdev);
+			dvb_dmx_release(&fe->dvb.demux);
+			dvb_unregister_frontend(fe->dvb.frontend);
+		}
+		if(fe->dvb.frontend) {	/* always allocated, may have been reset */
+			dvb_frontend_detach(fe->dvb.frontend);
+			fe->dvb.frontend = NULL;
+		}
 		list_del(list);
 		kfree(fe);
 	}
-- 
GitLab


From 649e13a95bb2aec489cc3194034a15a6e2916448 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Wed, 15 Oct 2008 14:12:30 -0300
Subject: [PATCH 1082/2224] V4L/DVB (9267): cx88: Update of audio routing
 config for FM radio

This adds audio routing for the hvr-1300/3000/4000 cards
enabling FM audio for the I2S ADC method of the cx88.

At this time only the HVR-4000 has been tested. It
is assumed the HVR-3000/1300 are the same.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-cards.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index db691abbb64..fbc224f46e0 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -1281,22 +1281,26 @@ static const struct cx88_board cx88_boards[] = {
 			.type   = CX88_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0  = 0x84bf,
+			/* 1: TV Audio / FM Mono */
 			.audioroute = 1,
 		},{
 			.type   = CX88_VMUX_COMPOSITE1,
 			.vmux   = 1,
 			.gpio0  = 0x84bf,
+			/* 2: Line-In */
 			.audioroute = 2,
 		},{
 			.type   = CX88_VMUX_SVIDEO,
 			.vmux   = 2,
 			.gpio0  = 0x84bf,
+			/* 2: Line-In */
 			.audioroute = 2,
 		}},
-		/* FIXME Radio tunes but only noise is heard */
 		.radio = {
 			.type   = CX88_RADIO,
 			.gpio0	= 0x84bf,
+			/* 4: FM Stereo (untested) */
+			.audioroute = 8,
 		},
 		.mpeg           = CX88_MPEG_DVB,
 		.num_frontends	= 2,
@@ -1365,23 +1369,27 @@ static const struct cx88_board cx88_boards[] = {
 			.type   = CX88_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0	= 0xef88,
+			/* 1: TV Audio / FM Mono */
 			.audioroute = 1,
 		},{
 			.type	= CX88_VMUX_COMPOSITE1,
 			.vmux	= 1,
 			.gpio0	= 0xef88,
+			/* 2: Line-In */
 			.audioroute = 2,
 		},{
 			.type	= CX88_VMUX_SVIDEO,
 			.vmux	= 2,
 			.gpio0	= 0xef88,
+			/* 2: Line-In */
 			.audioroute = 2,
 		}},
-		/* fixme: Add radio support */
 		.mpeg           = CX88_MPEG_DVB | CX88_MPEG_BLACKBIRD,
 		.radio = {
 			.type   = CX88_RADIO,
 			.gpio0	= 0xef88,
+			/* 4: FM Stereo (untested) */
+			.audioroute = 8,
 		},
 	},
 	[CX88_BOARD_ADSTECH_PTV_390] = {
@@ -1755,27 +1763,38 @@ static const struct cx88_board cx88_boards[] = {
 		 * d    0       I
 		 * e    1       O
 		 * f    1       O
+		 *
+		 * WM8775 ADC
+		 *
+		 * 1: TV Audio / FM Mono
+		 * 2: Line-In
+		 * 3: Line-In Expansion
+		 * 4: FM Stereo
 		 */
 		.input          = {{
 			.type   = CX88_VMUX_TELEVISION,
 			.vmux   = 0,
 			.gpio0  = 0xc4bf,
+			/* 1: TV Audio / FM Mono */
 			.audioroute = 1,
 		}, {
 			.type   = CX88_VMUX_COMPOSITE1,
 			.vmux   = 1,
 			.gpio0  = 0xc4bf,
+			/* 2: Line-In */
 			.audioroute = 2,
 		}, {
 			.type   = CX88_VMUX_SVIDEO,
 			.vmux   = 2,
 			.gpio0  = 0xc4bf,
+			/* 2: Line-In */
 			.audioroute = 2,
 		} },
-		/* FIXME Radio tunes but only noise is heard */
 		.radio = {
 			.type   = CX88_RADIO,
 			.gpio0	= 0xc4bf,
+			/* 4: FM Stereo */
+			.audioroute = 8,
 		},
 		.mpeg           = CX88_MPEG_DVB,
 		.num_frontends	= 2,
-- 
GitLab


From 953cafc04e9ef9d2fd9f8afb3b3bbde1f8bb9317 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Wed, 15 Oct 2008 14:14:30 -0300
Subject: [PATCH 1083/2224] V4L/DVB (9268): tuner: add FMD1216MEX tuner

This tuner was already supported by proxy as an FMD1216ME, however,
the MEX uses a different FM Radio IF so this addition is now required.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 Documentation/video4linux/CARDLIST.tuner   |  1 +
 drivers/media/common/tuners/tuner-simple.c |  2 ++
 drivers/media/common/tuners/tuner-types.c  | 33 +++++++++++++++++++++-
 drivers/media/video/tveeprom.c             |  2 +-
 include/media/tuner.h                      |  1 +
 5 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/Documentation/video4linux/CARDLIST.tuner b/Documentation/video4linux/CARDLIST.tuner
index 30bbdda68d0..691d2f37dc5 100644
--- a/Documentation/video4linux/CARDLIST.tuner
+++ b/Documentation/video4linux/CARDLIST.tuner
@@ -75,3 +75,4 @@ tuner=73 - Samsung TCPG 6121P30A
 tuner=75 - Philips TEA5761 FM Radio
 tuner=76 - Xceive 5000 tuner
 tuner=77 - TCL tuner MF02GIP-5N-E
+tuner=78 - Philips FMD1216MEX MK3 Hybrid Tuner
diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c
index 2a1aac1cc75..fb3f3b3adab 100644
--- a/drivers/media/common/tuners/tuner-simple.c
+++ b/drivers/media/common/tuners/tuner-simple.c
@@ -493,6 +493,7 @@ static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
 	case TUNER_PHILIPS_FM1216ME_MK3:
 	case TUNER_PHILIPS_FM1236_MK3:
 	case TUNER_PHILIPS_FMD1216ME_MK3:
+	case TUNER_PHILIPS_FMD1216MEX_MK3:
 	case TUNER_LG_NTSC_TAPE:
 	case TUNER_PHILIPS_FM1256_IH3:
 	case TUNER_TCL_MF02GIP_5N:
@@ -767,6 +768,7 @@ static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
 
 	switch (priv->type) {
 	case TUNER_PHILIPS_FMD1216ME_MK3:
+	case TUNER_PHILIPS_FMD1216MEX_MK3:
 		if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ &&
 		    params->frequency >= 158870000)
 			buf[3] |= 0x08;
diff --git a/drivers/media/common/tuners/tuner-types.c b/drivers/media/common/tuners/tuner-types.c
index 04961a1f44b..7c0bc064c00 100644
--- a/drivers/media/common/tuners/tuner-types.c
+++ b/drivers/media/common/tuners/tuner-types.c
@@ -946,7 +946,7 @@ static struct tuner_params tuner_tena_9533_di_params[] = {
 	},
 };
 
-/* ------------ TUNER_PHILIPS_FMD1216ME_MK3 - Philips PAL ------------ */
+/* ------------ TUNER_PHILIPS_FMD1216ME(X)_MK3 - Philips PAL ------------ */
 
 static struct tuner_range tuner_philips_fmd1216me_mk3_pal_ranges[] = {
 	{ 16 * 160.00 /*MHz*/, 0x86, 0x51, },
@@ -984,6 +984,27 @@ static struct tuner_params tuner_philips_fmd1216me_mk3_params[] = {
 	},
 };
 
+static struct tuner_params tuner_philips_fmd1216mex_mk3_params[] = {
+	{
+		.type   = TUNER_PARAM_TYPE_PAL,
+		.ranges = tuner_philips_fmd1216me_mk3_pal_ranges,
+		.count  = ARRAY_SIZE(tuner_philips_fmd1216me_mk3_pal_ranges),
+		.has_tda9887 = 1,
+		.port1_active = 1,
+		.port2_active = 1,
+		.port2_fm_high_sensitivity = 1,
+		.port2_invert_for_secam_lc = 1,
+		.port1_set_for_fm_mono = 1,
+		.radio_if = 1,
+		.fm_gain_normal = 1,
+	},
+	{
+		.type   = TUNER_PARAM_TYPE_DIGITAL,
+		.ranges = tuner_philips_fmd1216me_mk3_dvb_ranges,
+		.count  = ARRAY_SIZE(tuner_philips_fmd1216me_mk3_dvb_ranges),
+		.iffreq = 16 * 36.125, /*MHz*/
+	},
+};
 
 /* ------ TUNER_LG_TDVS_H06XF - LG INNOTEK / INFINEON ATSC ----- */
 
@@ -1663,6 +1684,16 @@ struct tunertype tuners[] = {
 		.params = tuner_tcl_mf02gip_5n_params,
 		.count  = ARRAY_SIZE(tuner_tcl_mf02gip_5n_params),
 	},
+	[TUNER_PHILIPS_FMD1216MEX_MK3] = { /* Philips PAL */
+		.name   = "Philips FMD1216MEX MK3 Hybrid Tuner",
+		.params = tuner_philips_fmd1216mex_mk3_params,
+		.count  = ARRAY_SIZE(tuner_philips_fmd1216mex_mk3_params),
+		.min = 16 *  50.87,
+		.max = 16 * 858.00,
+		.stepsize = 166667,
+		.initdata = tua603x_agc112,
+		.sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
+	},
 };
 EXPORT_SYMBOL(tuners);
 
diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c
index bcc32fa92a8..3b0b84c2e45 100644
--- a/drivers/media/video/tveeprom.c
+++ b/drivers/media/video/tveeprom.c
@@ -242,7 +242,7 @@ hauppauge_tuner[] =
 	{ TUNER_ABSENT,        		"TCL M2523_3DBH_E"},
 	{ TUNER_ABSENT,        		"TCL M2523_3DIH_E"},
 	{ TUNER_ABSENT,        		"TCL MFPE05_2_U"},
-	{ TUNER_PHILIPS_FMD1216ME_MK3,	"Philips FMD1216MEX"},
+	{ TUNER_PHILIPS_FMD1216MEX_MK3,	"Philips FMD1216MEX"},
 	{ TUNER_ABSENT,        		"Philips FRH2036B"},
 	{ TUNER_ABSENT,        		"Panasonic ENGF75_01GF"},
 	{ TUNER_ABSENT,        		"MaxLinear MXL5005"},
diff --git a/include/media/tuner.h b/include/media/tuner.h
index 67c1f514d0e..7d4e2db7807 100644
--- a/include/media/tuner.h
+++ b/include/media/tuner.h
@@ -123,6 +123,7 @@
 #define TUNER_TEA5761			75	/* Only FM Radio Tuner */
 #define TUNER_XC5000			76	/* Xceive Silicon Tuner */
 #define TUNER_TCL_MF02GIP_5N		77	/* TCL MF02GIP_5N */
+#define TUNER_PHILIPS_FMD1216MEX_MK3	78
 
 /* tv card specific */
 #define TDA9887_PRESENT 		(1<<0)
-- 
GitLab


From 430189da042f8cc3305b8fbbce18ea103501fb90 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Wed, 15 Oct 2008 14:18:42 -0300
Subject: [PATCH 1084/2224] V4L/DVB (9269): cx88: add I2S-ADC tvaudio method

This adds I2S-ADC tvaudio mode as a formal method of audio
delivery.

This fixes one bug and adds fm audio via I2S-ADC on cards
that support it.

The bug occured before when I2S-ADC mode was initiated on
composite/s-video open but was then reset within 500ms
by the audio thread which used any previous audio tuning
details.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-tvaudio.c | 11 ++++++
 drivers/media/video/cx88/cx88-video.c   | 52 ++++++++++++++-----------
 drivers/media/video/cx88/cx88.h         |  1 +
 3 files changed, 42 insertions(+), 22 deletions(-)

diff --git a/drivers/media/video/cx88/cx88-tvaudio.c b/drivers/media/video/cx88/cx88-tvaudio.c
index 3a1977f41e2..7dd506b987f 100644
--- a/drivers/media/video/cx88/cx88-tvaudio.c
+++ b/drivers/media/video/cx88/cx88-tvaudio.c
@@ -767,6 +767,14 @@ void cx88_set_tvaudio(struct cx88_core *core)
 	case WW_FM:
 		set_audio_standard_FM(core, radio_deemphasis);
 		break;
+	case WW_I2SADC:
+		set_audio_start(core, 0x01);
+		/* Slave/Philips/Autobaud */
+		cx_write(AUD_I2SINPUTCNTL, 0);
+		/* Switch to "I2S ADC mode" */
+		cx_write(AUD_I2SCNTL, 0x1);
+		set_audio_finish(core, EN_I2SIN_ENABLE);
+		break;
 	case WW_NONE:
 	default:
 		printk("%s/0: unknown tv audio mode [%d]\n",
@@ -895,6 +903,9 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
 			break;
 		}
 		break;
+	case WW_I2SADC:
+		/* DO NOTHING */
+		break;
 	}
 
 	if (UNSET != ctl) {
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index be45955dff6..3904b73f52e 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -426,24 +426,7 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
 
 	/* if there are audioroutes defined, we have an external
 	   ADC to deal with audio */
-
 	if (INPUT(input).audioroute) {
-
-		/* cx2388's C-ADC is connected to the tuner only.
-		   When used with S-Video, that ADC is busy dealing with
-		   chroma, so an external must be used for baseband audio */
-
-		if (INPUT(input).type != CX88_VMUX_TELEVISION &&
-			INPUT(input).type != CX88_RADIO) {
-			/* "ADC mode" */
-			cx_write(AUD_I2SCNTL, 0x1);
-			cx_set(AUD_CTL, EN_I2SIN_ENABLE);
-		} else {
-			/* Normal mode */
-			cx_write(AUD_I2SCNTL, 0x0);
-			cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
-		}
-
 		/* The wm8775 module has the "2" route hardwired into
 		   the initialization. Some boards may use different
 		   routes for different inputs. HVR-1300 surely does */
@@ -454,9 +437,19 @@ int cx88_video_mux(struct cx88_core *core, unsigned int input)
 			route.input = INPUT(input).audioroute;
 			cx88_call_i2c_clients(core,
 				VIDIOC_INT_S_AUDIO_ROUTING, &route);
-
 		}
-
+		/* cx2388's C-ADC is connected to the tuner only.
+		   When used with S-Video, that ADC is busy dealing with
+		   chroma, so an external must be used for baseband audio */
+		if (INPUT(input).type != CX88_VMUX_TELEVISION ) {
+			/* "I2S ADC mode" */
+			core->tvaudio = WW_I2SADC;
+			cx88_set_tvaudio(core);
+		} else {
+			/* Normal mode */
+			cx_write(AUD_I2SCNTL, 0x0);
+			cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
+		}
 	}
 
 	return 0;
@@ -832,9 +825,24 @@ static int video_open(struct inode *inode, struct file *file)
 		cx_write(MO_GP0_IO, core->board.radio.gpio0);
 		cx_write(MO_GP1_IO, core->board.radio.gpio1);
 		cx_write(MO_GP2_IO, core->board.radio.gpio2);
-		core->tvaudio = WW_FM;
-		cx88_set_tvaudio(core);
-		cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
+		if (core->board.radio.audioroute) {
+			if(core->board.audio_chip &&
+				core->board.audio_chip == V4L2_IDENT_WM8775) {
+				struct v4l2_routing route;
+
+				route.input = core->board.radio.audioroute;
+				cx88_call_i2c_clients(core,
+					VIDIOC_INT_S_AUDIO_ROUTING, &route);
+			}
+			/* "I2S ADC mode" */
+			core->tvaudio = WW_I2SADC;
+			cx88_set_tvaudio(core);
+		} else {
+			/* FM Mode */
+			core->tvaudio = WW_FM;
+			cx88_set_tvaudio(core);
+			cx88_set_stereo(core,V4L2_TUNER_MODE_STEREO,1);
+		}
 		cx88_call_i2c_clients(core,AUDC_SET_RADIO,NULL);
 	}
 	unlock_kernel();
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 100ffc4b5d9..76207c2856b 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -630,6 +630,7 @@ extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
 #define WW_EIAJ		 7
 #define WW_I2SPT	 8
 #define WW_FM		 9
+#define WW_I2SADC	 10
 
 void cx88_set_tvaudio(struct cx88_core *core);
 void cx88_newstation(struct cx88_core *core);
-- 
GitLab


From 745632147d54cd4db6812045351510ebd3981a24 Mon Sep 17 00:00:00 2001
From: Christophe Thommeret <hftom@free.fr>
Date: Wed, 15 Oct 2008 20:01:32 -0300
Subject: [PATCH 1085/2224] V4L/DVB (9270): cx24116: optimise emulated
 auto-pilot

Christophe divulged the following:
"Since 8PSK (and higher mod) signals are very likely to have pilot symbols,
pilot_auto should start with pilot_on for 8PSK.
And since QPSK signals are unlikely to have pilot, pilot_auto should start
with pilot_off for QPSK.

Without the patch:
QPSK tuning delay: ~100ms
8PSK tuning delay: ~900ms
with patch:
QPSK tuning delay: ~100ms
8PSK tuning delay: ~100ms
"

This patch does as Cristophe asks. In emulated auto-pilot we
choose pilot-on for tuning PSK_8 and pilot-off for
tuning QPSK.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/cx24116.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c
index 8afdfbec551..fe62f92f660 100644
--- a/drivers/media/dvb/frontends/cx24116.c
+++ b/drivers/media/dvb/frontends/cx24116.c
@@ -1248,7 +1248,10 @@ static int cx24116_set_frontend(struct dvb_frontend *fe,
 
 		switch (c->pilot) {
 		case PILOT_AUTO:	/* Not supported but emulated */
-			retune = 2;	/* Fall-through */
+			state->dnxt.pilot_val = (c->modulation == QPSK)
+				? CX24116_PILOT_OFF : CX24116_PILOT_ON;
+			retune = 2;
+			break;
 		case PILOT_OFF:
 			state->dnxt.pilot_val = CX24116_PILOT_OFF;
 			break;
-- 
GitLab


From 96b7a1a838fb5b8746fc22f4ff3cef358bf59f35 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Wed, 15 Oct 2008 20:26:34 -0300
Subject: [PATCH 1086/2224] V4L/DVB (9271): videobuf: data storage optimisation
 (2)

To optimise data storage even further one other redundant
var has been removed.

This also removes a redundant assignment.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx23885/cx23885-dvb.c | 2 +-
 drivers/media/video/cx88/cx88-mpeg.c      | 2 +-
 drivers/media/video/saa7134/saa7134-dvb.c | 2 +-
 drivers/media/video/videobuf-dvb.c        | 7 ++-----
 include/media/videobuf-dvb.h              | 3 +--
 5 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 8e9871106af..e1aac07b315 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -571,7 +571,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port)
 		port->num_frontends);
 
 	for (i = 1; i <= port->num_frontends; i++) {
-		if (videobuf_dvb_alloc_frontend(dev,
+		if (videobuf_dvb_alloc_frontend(
 			&port->frontends, i) == NULL) {
 			printk(KERN_ERR "%s() failed to alloc\n", __func__);
 			return -ENOMEM;
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index 512041451d3..6df5cf31418 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -807,7 +807,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends);
 
 	for (i = 1; i <= core->board.num_frontends; i++) {
-		demod = videobuf_dvb_alloc_frontend(dev, &dev->frontends, i);
+		demod = videobuf_dvb_alloc_frontend(&dev->frontends, i);
 		if(demod == NULL) {
 			printk(KERN_ERR "%s() failed to alloc\n", __func__);
 			err = -ENOMEM;
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c
index 7d95a692877..8c46115d4c7 100644
--- a/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/drivers/media/video/saa7134/saa7134-dvb.c
@@ -958,7 +958,7 @@ static int dvb_init(struct saa7134_dev *dev)
 
 	printk(KERN_INFO "%s() allocating 1 frontend\n", __func__);
 
-	if (videobuf_dvb_alloc_frontend(dev, &dev->frontends, 1) == NULL) {
+	if (videobuf_dvb_alloc_frontend(&dev->frontends, 1) == NULL) {
 		printk(KERN_ERR "%s() failed to alloc\n", __func__);
 		return -ENOMEM;
 	}
diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index 7c74845af26..36b1e67ac33 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -307,10 +307,8 @@ void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 			dvb_dmx_release(&fe->dvb.demux);
 			dvb_unregister_frontend(fe->dvb.frontend);
 		}
-		if(fe->dvb.frontend) {	/* always allocated, may have been reset */
+		if(fe->dvb.frontend) /* always allocated, may have been reset */
 			dvb_frontend_detach(fe->dvb.frontend);
-			fe->dvb.frontend = NULL;
-		}
 		list_del(list);
 		kfree(fe);
 	}
@@ -360,7 +358,7 @@ int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_fron
 	return ret;
 }
 
-struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct videobuf_dvb_frontends *f, int id)
+struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id)
 {
 	struct videobuf_dvb_frontend *fe;
 
@@ -368,7 +366,6 @@ struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct
 	if (fe == NULL)
 		goto fail_alloc;
 
-	fe->dev = private;
 	fe->id = id;
 	mutex_init(&fe->dvb.lock);
 
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index 069215c77a6..52ddda90d3f 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -25,7 +25,6 @@ struct videobuf_dvb {
 
 struct videobuf_dvb_frontend {
 	struct list_head felist;
-	void *dev;
 	int id;
 	struct videobuf_dvb dvb;
 };
@@ -57,7 +56,7 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *f,
 
 int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_dvb *dvb);
 
-struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(void *private, struct videobuf_dvb_frontends *f, int id);
+struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id);
 
 struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id);
 int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p);
-- 
GitLab


From ca341e4d1b07ac9077b448c623ec256c89a2e080 Mon Sep 17 00:00:00 2001
From: Jose Alberto Reguero <jareguero@telefonica.net>
Date: Mon, 13 Oct 2008 18:23:49 -0300
Subject: [PATCH 1087/2224] V4L/DVB (9272): mxl5005s: Bug fix stopped DVB-T
 from working the second time around.

Jose reported:

I am using a Avermedia Volar X with af9015 driver(DVB-T).

The first time you use the card, first call reconfigure with MXL_QAM,
and when tune DVB-T it calls reconfigure with MXL_DVBT. But if you close
the frontend and open again, it calls reconfigure with MXL_QAM, but not
call reconfigure with MXL_DVBT because state->current_mode don't change
(is MXL_DVBT).

Signed-off-by: Jose Alberto Reguero <jareguero@telefonica.net>
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/common/tuners/mxl5005s.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/common/tuners/mxl5005s.c b/drivers/media/common/tuners/mxl5005s.c
index 3844e1c00ff..a8878244bb3 100644
--- a/drivers/media/common/tuners/mxl5005s.c
+++ b/drivers/media/common/tuners/mxl5005s.c
@@ -3912,7 +3912,10 @@ static int mxl5005s_writeregs(struct dvb_frontend *fe, u8 *addrtable,
 
 static int mxl5005s_init(struct dvb_frontend *fe)
 {
+	struct mxl5005s_state *state = fe->tuner_priv;
+
 	dprintk(1, "%s()\n", __func__);
+	state->current_mode = MXL_QAM;
 	return mxl5005s_reconfigure(fe, MXL_QAM, MXL5005S_BANDWIDTH_6MHZ);
 }
 
@@ -4094,7 +4097,6 @@ struct dvb_frontend *mxl5005s_attach(struct dvb_frontend *fe,
 	state->frontend = fe;
 	state->config = config;
 	state->i2c = i2c;
-	state->current_mode = MXL_QAM;
 
 	printk(KERN_INFO "MXL5005S: Attached at address 0x%02x\n",
 		config->i2c_address);
-- 
GitLab


From 11fbedd33287416a5efdc32c38e33f410bb1e942 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 21:42:10 -0300
Subject: [PATCH 1088/2224] V4L/DVB (9273): MFE: videobuf-dvb.c checkpatch
 cleanup as part of MFE merge

MFE: videobuf-dvb.c checkpatch cleanup as part of MFE merge

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/videobuf-dvb.c | 43 +++++++++++++++++-------------
 1 file changed, 25 insertions(+), 18 deletions(-)

diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index 36b1e67ac33..adf7674b4a0 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -126,7 +126,6 @@ static int videobuf_dvb_stop_feed(struct dvb_demux_feed *feed)
 	mutex_lock(&dvb->lock);
 	dvb->nfeeds--;
 	if (0 == dvb->nfeeds  &&  NULL != dvb->thread) {
-		// FIXME: cx8802_cancel_buffers(dev);
 		err = kthread_stop(dvb->thread);
 		dvb->thread = NULL;
 	}
@@ -154,7 +153,8 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 	}
 
 	/* Bring up the adapter */
-	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device, fe->dvb.name, adapter_nr, mfe_shared);
+	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device,
+		fe->dvb.name, adapter_nr, mfe_shared);
 	if (res < 0) {
 		printk(KERN_WARNING "videobuf_dvb_register_adapter failed (errno = %d)\n", res);
 		return res;
@@ -179,6 +179,7 @@ err:
 	videobuf_dvb_unregister_bus(f);
 	return res;
 }
+EXPORT_SYMBOL(videobuf_dvb_register_bus);
 
 int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 			  struct module *module,
@@ -193,7 +194,8 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 	mutex_init(&fe->lock);
 
 	/* register adapter */
-	result = dvb_register_adapter(&fe->adapter, adapter_name, module, device, adapter_nr);
+	result = dvb_register_adapter(&fe->adapter, adapter_name, module,
+		device, adapter_nr);
 	if (result < 0) {
 		printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
 		       adapter_name, result);
@@ -204,7 +206,8 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 	return result;
 }
 
-int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_dvb *dvb)
+int videobuf_dvb_register_frontend(struct dvb_adapter *adapter,
+	struct videobuf_dvb *dvb)
 {
 	int result;
 
@@ -299,15 +302,18 @@ void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 	mutex_lock(&f->lock);
 	list_for_each_safe(list, q, &f->felist) {
 		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
-		if(fe->dvb.net.dvbdev) {
+		if (fe->dvb.net.dvbdev) {
 			dvb_net_release(&fe->dvb.net);
-			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_mem);
-			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx, &fe->dvb.fe_hw);
+			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
+				&fe->dvb.fe_mem);
+			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
+				&fe->dvb.fe_hw);
 			dvb_dmxdev_release(&fe->dvb.dmxdev);
 			dvb_dmx_release(&fe->dvb.demux);
 			dvb_unregister_frontend(fe->dvb.frontend);
 		}
-		if(fe->dvb.frontend) /* always allocated, may have been reset */
+		if (fe->dvb.frontend)
+			/* always allocated, may have been reset */
 			dvb_frontend_detach(fe->dvb.frontend);
 		list_del(list);
 		kfree(fe);
@@ -316,8 +322,10 @@ void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 
 	dvb_unregister_adapter(&f->adapter);
 }
+EXPORT_SYMBOL(videobuf_dvb_unregister_bus);
 
-struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id)
+struct videobuf_dvb_frontend *videobuf_dvb_get_frontend(
+	struct videobuf_dvb_frontends *f, int id)
 {
 	struct list_head *list, *q;
 	struct videobuf_dvb_frontend *fe, *ret = NULL;
@@ -336,8 +344,10 @@ struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_fro
 
 	return ret;
 }
+EXPORT_SYMBOL(videobuf_dvb_get_frontend);
 
-int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p)
+int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f,
+	struct dvb_frontend *p)
 {
 	struct list_head *list, *q;
 	struct videobuf_dvb_frontend *fe = NULL;
@@ -357,12 +367,14 @@ int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_fron
 
 	return ret;
 }
+EXPORT_SYMBOL(videobuf_dvb_find_frontend);
 
-struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id)
+struct videobuf_dvb_frontend *videobuf_dvb_alloc_frontend(
+	struct videobuf_dvb_frontends *f, int id)
 {
 	struct videobuf_dvb_frontend *fe;
 
-	fe = kzalloc(sizeof(struct videobuf_dvb_frontend),GFP_KERNEL);
+	fe = kzalloc(sizeof(struct videobuf_dvb_frontend), GFP_KERNEL);
 	if (fe == NULL)
 		goto fail_alloc;
 
@@ -370,18 +382,13 @@ struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_f
 	mutex_init(&fe->dvb.lock);
 
 	mutex_lock(&f->lock);
-	list_add_tail(&fe->felist,&f->felist);
+	list_add_tail(&fe->felist, &f->felist);
 	mutex_unlock(&f->lock);
 
 fail_alloc:
 	return fe;
 }
-
-EXPORT_SYMBOL(videobuf_dvb_register_bus);
-EXPORT_SYMBOL(videobuf_dvb_unregister_bus);
 EXPORT_SYMBOL(videobuf_dvb_alloc_frontend);
-EXPORT_SYMBOL(videobuf_dvb_get_frontend);
-EXPORT_SYMBOL(videobuf_dvb_find_frontend);
 
 /* ------------------------------------------------------------------ */
 /*
-- 
GitLab


From a1bc84c083af059cb93d57c9caff7b382fe8b574 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Fri, 17 Oct 2008 00:20:19 -0300
Subject: [PATCH 1089/2224] V4L/DVB (9274): Remove spurious messages and turn
 into debug.

Remove spurious messages and turn into debug.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dvb-core/dvb_frontend.c | 59 +++++++++--------------
 1 file changed, 22 insertions(+), 37 deletions(-)

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 6c9b9be9e28..5689d1f1d44 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -903,30 +903,30 @@ void dtv_property_dump(struct dtv_property *tvp)
 	int i;
 
 	if (tvp->cmd <= 0 || tvp->cmd > DTV_MAX_COMMAND) {
-		printk("%s: tvp.cmd = 0x%08x (undefined/unknown/invalid)\n",
+		printk(KERN_WARNING "%s: tvp.cmd = 0x%08x undefined\n",
 			__func__, tvp->cmd);
 		return;
 	}
 
-	printk("%s() tvp.cmd    = 0x%08x (%s)\n"
-		,__FUNCTION__
+	dprintk("%s() tvp.cmd    = 0x%08x (%s)\n"
+		,__func__
 		,tvp->cmd
 		,dtv_cmds[ tvp->cmd ].name);
 
 	if(dtv_cmds[ tvp->cmd ].buffer) {
 
-		printk("%s() tvp.u.buffer.len = 0x%02x\n"
-			,__FUNCTION__
+		dprintk("%s() tvp.u.buffer.len = 0x%02x\n"
+			,__func__
 			,tvp->u.buffer.len);
 
 		for(i = 0; i < tvp->u.buffer.len; i++)
-			printk("%s() tvp.u.buffer.data[0x%02x] = 0x%02x\n"
-				,__FUNCTION__
+			dprintk("%s() tvp.u.buffer.data[0x%02x] = 0x%02x\n"
+				,__func__
 				,i
 				,tvp->u.buffer.data[i]);
 
 	} else
-		printk("%s() tvp.u.data = 0x%08x\n", __FUNCTION__, tvp->u.data);
+		dprintk("%s() tvp.u.data = 0x%08x\n", __func__, tvp->u.data);
 }
 
 int is_legacy_delivery_system(fe_delivery_system_t s)
@@ -946,8 +946,6 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame
 {
 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 
-	printk("%s()\n", __FUNCTION__);
-
 	c->frequency = p->frequency;
 	c->inversion = p->inversion;
 
@@ -1002,27 +1000,25 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
 	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	struct dvb_frontend_parameters *p = &fepriv->parameters;
 
-	printk("%s()\n", __FUNCTION__);
-
 	p->frequency = c->frequency;
 	p->inversion = c->inversion;
 
 	switch (fe->ops.info.type) {
 	case FE_QPSK:
-		printk("%s() Preparing QPSK req\n", __FUNCTION__);
+		dprintk("%s() Preparing QPSK req\n", __func__);
 		p->u.qpsk.symbol_rate = c->symbol_rate;
 		p->u.qpsk.fec_inner = c->fec_inner;
 		c->delivery_system = SYS_DVBS;
 		break;
 	case FE_QAM:
-		printk("%s() Preparing QAM req\n", __FUNCTION__);
+		dprintk("%s() Preparing QAM req\n", __func__);
 		p->u.qam.symbol_rate = c->symbol_rate;
 		p->u.qam.fec_inner = c->fec_inner;
 		p->u.qam.modulation = c->modulation;
 		c->delivery_system = SYS_DVBC_ANNEX_AC;
 		break;
 	case FE_OFDM:
-		printk("%s() Preparing OFDM req\n", __FUNCTION__);
+		dprintk("%s() Preparing OFDM req\n", __func__);
 		if (c->bandwidth_hz == 6000000)
 			p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
 		else if (c->bandwidth_hz == 7000000)
@@ -1040,7 +1036,7 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
 		c->delivery_system = SYS_DVBT;
 		break;
 	case FE_ATSC:
-		printk("%s() Preparing VSB req\n", __FUNCTION__);
+		dprintk("%s() Preparing VSB req\n", __func__);
 		p->u.vsb.modulation = c->modulation;
 		if ((c->modulation == VSB_8) || (c->modulation == VSB_16))
 			c->delivery_system = SYS_ATSC;
@@ -1059,8 +1055,6 @@ void dtv_property_adv_params_sync(struct dvb_frontend *fe)
 	struct dvb_frontend_private *fepriv = fe->frontend_priv;
 	struct dvb_frontend_parameters *p = &fepriv->parameters;
 
-	printk("%s()\n", __FUNCTION__);
-
 	p->frequency = c->frequency;
 	p->inversion = c->inversion;
 
@@ -1094,19 +1088,17 @@ void dtv_property_cache_submit(struct dvb_frontend *fe)
 {
 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 
-	printk("%s()\n", __FUNCTION__);
-
 	/* For legacy delivery systems we don't need the delivery_system to
 	 * be specified, but we populate the older structures from the cache
 	 * so we can call set_frontend on older drivers.
 	 */
 	if(is_legacy_delivery_system(c->delivery_system)) {
 
-		printk("%s() legacy, modulation = %d\n", __FUNCTION__, c->modulation);
+		dprintk("%s() legacy, modulation = %d\n", __func__, c->modulation);
 		dtv_property_legacy_params_sync(fe);
 
 	} else {
-		printk("%s() adv, modulation = %d\n", __FUNCTION__, c->modulation);
+		dprintk("%s() adv, modulation = %d\n", __func__, c->modulation);
 
 		/* For advanced delivery systems / modulation types ...
 		 * we seed the lecacy dvb_frontend_parameters structure
@@ -1128,8 +1120,6 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp,
 {
 	int r = 0;
 
-	printk("%s()\n", __FUNCTION__);
-
 	dtv_property_dump(tvp);
 
 	/* Allow the frontend to validate incoming properties */
@@ -1203,7 +1193,6 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp,
 {
 	int r = 0;
 	struct dvb_frontend_private *fepriv = fe->frontend_priv;
-	printk("%s()\n", __FUNCTION__);
 	dtv_property_dump(tvp);
 
 	/* Allow the frontend to validate incoming properties */
@@ -1218,7 +1207,7 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp,
 		/* Reset a cache of data specific to the frontend here. This does
 		 * not effect hardware.
 		 */
-		printk("%s() Flushing property cache\n", __FUNCTION__);
+		dprintk("%s() Flushing property cache\n", __func__);
 		memset(&fe->dtv_property_cache, 0, sizeof(struct dtv_frontend_properties));
 		fe->dtv_property_cache.state = tvp->cmd;
 		fe->dtv_property_cache.delivery_system = SYS_UNDEFINED;
@@ -1229,7 +1218,7 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp,
 		 * ioctl.
 		 */
 		fe->dtv_property_cache.state = tvp->cmd;
-		printk("%s() Finalised property cache\n", __FUNCTION__);
+		dprintk("%s() Finalised property cache\n", __func__);
 		dtv_property_cache_submit(fe);
 
 		r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND,
@@ -1340,12 +1329,10 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
 	dprintk("%s\n", __func__);
 
 	if(cmd == FE_SET_PROPERTY) {
-		printk("%s() FE_SET_PROPERTY\n", __FUNCTION__);
-
 		tvps = (struct dtv_properties __user *)parg;
 
-		printk("%s() properties.num = %d\n", __FUNCTION__, tvps->num);
-		printk("%s() properties.props = %p\n", __FUNCTION__, tvps->props);
+		dprintk("%s() properties.num = %d\n", __func__, tvps->num);
+		dprintk("%s() properties.props = %p\n", __func__, tvps->props);
 
 		/* Put an arbitrary limit on the number of messages that can
 		 * be sent at once */
@@ -1369,18 +1356,16 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file,
 			err |= (tvp + i)->result;
 		}
 
-		if(fe->dtv_property_cache.state == DTV_TUNE) {
-			printk("%s() Property cache is full, tuning\n", __FUNCTION__);
-		}
+		if(fe->dtv_property_cache.state == DTV_TUNE)
+			dprintk("%s() Property cache is full, tuning\n", __func__);
 
 	} else
 	if(cmd == FE_GET_PROPERTY) {
-		printk("%s() FE_GET_PROPERTY\n", __FUNCTION__);
 
 		tvps = (struct dtv_properties __user *)parg;
 
-		printk("%s() properties.num = %d\n", __FUNCTION__, tvps->num);
-		printk("%s() properties.props = %p\n", __FUNCTION__, tvps->props);
+		dprintk("%s() properties.num = %d\n", __func__, tvps->num);
+		dprintk("%s() properties.props = %p\n", __func__, tvps->props);
 
 		/* Put an arbitrary limit on the number of messages that can
 		 * be sent at once */
-- 
GitLab


From 64decbfe0dca9535a6f9b0c6fa654e3c2eb47877 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Thu, 16 Oct 2008 21:04:35 -0300
Subject: [PATCH 1090/2224] V4L/DVB (9275): dvb: input data pointer of
 cx24116_writeregN() should be const

| drivers/media/dvb/frontends/cx24116.c:573: warning: passing argument 3 of 'cx24116_writeregN' discards qualifiers from pointer target type

Make the `data' input pointer parameter of cx24116_writeregN() const to
kill the warning.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/cx24116.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c
index fe62f92f660..b144b308a4d 100644
--- a/drivers/media/dvb/frontends/cx24116.c
+++ b/drivers/media/dvb/frontends/cx24116.c
@@ -215,7 +215,7 @@ static int cx24116_writereg(struct cx24116_state *state, int reg, int data)
 
 /* Bulk byte writes to a single I2C address, for 32k firmware load */
 static int cx24116_writeregN(struct cx24116_state *state, int reg,
-	u8 *data, u16 len)
+			     const u8 *data, u16 len)
 {
 	int ret = -EREMOTEIO;
 	struct i2c_msg msg;
-- 
GitLab


From dcadd0826fce17e77cd6260569cbb3dd681c868c Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Fri, 17 Oct 2008 13:02:47 -0300
Subject: [PATCH 1091/2224] V4L/DVB (9276): videobuf-dvb: two functions are now
 static

This patch marks those two functions as static:
	static int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
	static int videobuf_dvb_register_frontend(struct dvb_adapter *adapter,

Since MFE patches changed their calls by videobuf_dvb_register_bus.

To avoid having to declare the prototypes, the patch moves
videobuf_dvb_register_bus() to be after the declaration of the above functions
used there.

Cc: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/videobuf-dvb.c | 108 +++++++++++++----------------
 include/media/videobuf-dvb.h       |  10 ---
 2 files changed, 50 insertions(+), 68 deletions(-)

diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index adf7674b4a0..917277d3660 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -133,55 +133,7 @@ static int videobuf_dvb_stop_feed(struct dvb_demux_feed *feed)
 	return err;
 }
 
-/* ------------------------------------------------------------------ */
-/* Register a single adapter and one or more frontends */
-int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
-			  struct module *module,
-			  void *adapter_priv,
-			  struct device *device,
-			  short *adapter_nr,
-			  int mfe_shared)
-{
-	struct list_head *list, *q;
-	struct videobuf_dvb_frontend *fe;
-	int res;
-
-	fe = videobuf_dvb_get_frontend(f, 1);
-	if (!fe) {
-		printk(KERN_WARNING "Unable to register the adapter which has no frontends\n");
-		return -EINVAL;
-	}
-
-	/* Bring up the adapter */
-	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device,
-		fe->dvb.name, adapter_nr, mfe_shared);
-	if (res < 0) {
-		printk(KERN_WARNING "videobuf_dvb_register_adapter failed (errno = %d)\n", res);
-		return res;
-	}
-
-	/* Attach all of the frontends to the adapter */
-	mutex_lock(&f->lock);
-	list_for_each_safe(list, q, &f->felist) {
-		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
-		res = videobuf_dvb_register_frontend(&f->adapter, &fe->dvb);
-		if (res < 0) {
-			printk(KERN_WARNING "%s: videobuf_dvb_register_frontend failed (errno = %d)\n",
-				fe->dvb.name, res);
-			goto err;
-		}
-	}
-	mutex_unlock(&f->lock);
-	return 0;
-
-err:
-	mutex_unlock(&f->lock);
-	videobuf_dvb_unregister_bus(f);
-	return res;
-}
-EXPORT_SYMBOL(videobuf_dvb_register_bus);
-
-int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
+static int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 			  struct module *module,
 			  void *adapter_priv,
 			  struct device *device,
@@ -206,7 +158,7 @@ int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *fe,
 	return result;
 }
 
-int videobuf_dvb_register_frontend(struct dvb_adapter *adapter,
+static int videobuf_dvb_register_frontend(struct dvb_adapter *adapter,
 	struct videobuf_dvb *dvb)
 {
 	int result;
@@ -294,6 +246,54 @@ fail_frontend:
 	return result;
 }
 
+/* ------------------------------------------------------------------ */
+/* Register a single adapter and one or more frontends */
+int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
+			  struct module *module,
+			  void *adapter_priv,
+			  struct device *device,
+			  short *adapter_nr,
+			  int mfe_shared)
+{
+	struct list_head *list, *q;
+	struct videobuf_dvb_frontend *fe;
+	int res;
+
+	fe = videobuf_dvb_get_frontend(f, 1);
+	if (!fe) {
+		printk(KERN_WARNING "Unable to register the adapter which has no frontends\n");
+		return -EINVAL;
+	}
+
+	/* Bring up the adapter */
+	res = videobuf_dvb_register_adapter(f, module, adapter_priv, device,
+		fe->dvb.name, adapter_nr, mfe_shared);
+	if (res < 0) {
+		printk(KERN_WARNING "videobuf_dvb_register_adapter failed (errno = %d)\n", res);
+		return res;
+	}
+
+	/* Attach all of the frontends to the adapter */
+	mutex_lock(&f->lock);
+	list_for_each_safe(list, q, &f->felist) {
+		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
+		res = videobuf_dvb_register_frontend(&f->adapter, &fe->dvb);
+		if (res < 0) {
+			printk(KERN_WARNING "%s: videobuf_dvb_register_frontend failed (errno = %d)\n",
+				fe->dvb.name, res);
+			goto err;
+		}
+	}
+	mutex_unlock(&f->lock);
+	return 0;
+
+err:
+	mutex_unlock(&f->lock);
+	videobuf_dvb_unregister_bus(f);
+	return res;
+}
+EXPORT_SYMBOL(videobuf_dvb_register_bus);
+
 void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 {
 	struct list_head *list, *q;
@@ -389,11 +389,3 @@ fail_alloc:
 	return fe;
 }
 EXPORT_SYMBOL(videobuf_dvb_alloc_frontend);
-
-/* ------------------------------------------------------------------ */
-/*
- * Local variables:
- * c-basic-offset: 8
- * compile-command: "make DVB=1"
- * End:
- */
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index 52ddda90d3f..80471c2b634 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -46,16 +46,6 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 
 void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f);
 
-int videobuf_dvb_register_adapter(struct videobuf_dvb_frontends *f,
-			  struct module *module,
-			  void *adapter_priv,
-			  struct device *device,
-			  char *adapter_name,
-			  short *adapter_nr,
-			  int mfe_shared);
-
-int videobuf_dvb_register_frontend(struct dvb_adapter *adapter, struct videobuf_dvb *dvb);
-
 struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id);
 
 struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id);
-- 
GitLab


From 588dbbb520e454260fa6bd283ac77fe4678c1c38 Mon Sep 17 00:00:00 2001
From: Erik Andren <erik.andren@gmail.com>
Date: Thu, 16 Oct 2008 16:36:35 -0300
Subject: [PATCH 1092/2224] V4L/DVB (9277): gspca: propagate an error in
 m5602_start_transfer()

Signed-off-by: Erik Andren <erik.andren@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/m5602/m5602_core.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c
index 19d5e351ccc..a7021fcec2b 100644
--- a/drivers/media/video/gspca/m5602/m5602_core.c
+++ b/drivers/media/video/gspca/m5602/m5602_core.c
@@ -146,16 +146,18 @@ static int m5602_start_transfer(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
 	__u8 *buf = sd->gspca_dev.usb_buf;
+	int err;
 
 	/* Send start command to the camera */
 	const u8 buffer[4] = {0x13, 0xf9, 0x0f, 0x01};
 	memcpy(buf, buffer, sizeof(buffer));
-	usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0),
-			0x04, 0x40, 0x19, 0x0000, buf,
-			4, M5602_URB_MSG_TIMEOUT);
+	err = usb_control_msg(gspca_dev->dev,
+			      usb_sndctrlpipe(gspca_dev->dev, 0),
+			      0x04, 0x40, 0x19, 0x0000, buf,
+			      4, M5602_URB_MSG_TIMEOUT);
 
 	PDEBUG(DBG_V4L2, "Transfer started");
-	return 0;
+	return (err < 0) ? err : 0;
 }
 
 static void m5602_urb_complete(struct gspca_dev *gspca_dev,
-- 
GitLab


From 1d733031ea5a2b0c20ffb7a91d67790f7887d6d2 Mon Sep 17 00:00:00 2001
From: Erik Andren <erik.andren@gmail.com>
Date: Thu, 16 Oct 2008 16:39:41 -0300
Subject: [PATCH 1093/2224] V4L/DVB (9278): gspca: Remove the m5602_debug
 variable

Signed-off-by: Erik Andren <erik.andren@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/m5602/m5602_mt9m111.h | 1 -
 drivers/media/video/gspca/m5602/m5602_ov9650.h  | 1 -
 drivers/media/video/gspca/m5602/m5602_s5k4aa.h  | 1 -
 drivers/media/video/gspca/m5602/m5602_s5k83a.h  | 2 --
 4 files changed, 5 deletions(-)

diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.h b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
index 79a5d887819..d28012d3d56 100644
--- a/drivers/media/video/gspca/m5602/m5602_mt9m111.h
+++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
@@ -82,7 +82,6 @@
 /* Kernel module parameters */
 extern int force_sensor;
 extern int dump_sensor;
-extern unsigned int m5602_debug;
 
 int mt9m111_probe(struct sd *sd);
 int mt9m111_init(struct sd *sd);
diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.h b/drivers/media/video/gspca/m5602/m5602_ov9650.h
index 2f29cb056f3..f2230157d05 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov9650.h
+++ b/drivers/media/video/gspca/m5602/m5602_ov9650.h
@@ -121,7 +121,6 @@
 /* Kernel module parameters */
 extern int force_sensor;
 extern int dump_sensor;
-extern unsigned int m5602_debug;
 
 int ov9650_probe(struct sd *sd);
 int ov9650_init(struct sd *sd);
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
index bb7f7e3e90a..f214dcdc7d0 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
+++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
@@ -63,7 +63,6 @@
 /* Kernel module parameters */
 extern int force_sensor;
 extern int dump_sensor;
-extern unsigned int m5602_debug;
 
 int s5k4aa_probe(struct sd *sd);
 int s5k4aa_init(struct sd *sd);
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.h b/drivers/media/video/gspca/m5602/m5602_s5k83a.h
index 833708eb5a4..58dd59f656b 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k83a.h
+++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.h
@@ -41,8 +41,6 @@
 /* Kernel module parameters */
 extern int force_sensor;
 extern int dump_sensor;
-extern unsigned int m5602_debug;
-
 
 int s5k83a_probe(struct sd *sd);
 int s5k83a_init(struct sd *sd);
-- 
GitLab


From 0c505e688bb22c1b4431b4c07cd1fcff22fe37a2 Mon Sep 17 00:00:00 2001
From: Erik Andren <erik.andren@gmail.com>
Date: Thu, 16 Oct 2008 16:43:16 -0300
Subject: [PATCH 1094/2224] V4L/DVB (9279): gspca: Correct some copyright
 headers

Signed-off-by: Erik Andren <erik.andren@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/m5602/m5602_bridge.h  | 2 +-
 drivers/media/video/gspca/m5602/m5602_core.c    | 2 +-
 drivers/media/video/gspca/m5602/m5602_mt9m111.c | 2 +-
 drivers/media/video/gspca/m5602/m5602_mt9m111.h | 2 +-
 drivers/media/video/gspca/m5602/m5602_ov9650.c  | 2 +-
 drivers/media/video/gspca/m5602/m5602_ov9650.h  | 2 +-
 drivers/media/video/gspca/m5602/m5602_po1030.c  | 2 +-
 drivers/media/video/gspca/m5602/m5602_po1030.h  | 3 +--
 drivers/media/video/gspca/m5602/m5602_s5k4aa.c  | 2 +-
 drivers/media/video/gspca/m5602/m5602_s5k4aa.h  | 2 +-
 drivers/media/video/gspca/m5602/m5602_s5k83a.c  | 2 +-
 drivers/media/video/gspca/m5602/m5602_s5k83a.h  | 2 +-
 drivers/media/video/gspca/m5602/m5602_sensor.h  | 2 +-
 13 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/drivers/media/video/gspca/m5602/m5602_bridge.h b/drivers/media/video/gspca/m5602/m5602_bridge.h
index c786d7d3d44..0669e72ff22 100644
--- a/drivers/media/video/gspca/m5602/m5602_bridge.h
+++ b/drivers/media/video/gspca/m5602/m5602_bridge.h
@@ -1,7 +1,7 @@
 /*
  * USB Driver for ALi m5602 based webcams
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c
index a7021fcec2b..687d54641da 100644
--- a/drivers/media/video/gspca/m5602/m5602_core.c
+++ b/drivers/media/video/gspca/m5602/m5602_core.c
@@ -1,7 +1,7 @@
 /*
  * USB Driver for ALi m5602 based webcams
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/drivers/media/video/gspca/m5602/m5602_mt9m111.c
index 566d4925a0e..a0e0bff87dc 100644
--- a/drivers/media/video/gspca/m5602/m5602_mt9m111.c
+++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.c
@@ -1,7 +1,7 @@
 /*
  * Driver for the mt9m111 sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.h b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
index d28012d3d56..07d224d0138 100644
--- a/drivers/media/video/gspca/m5602/m5602_mt9m111.h
+++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
@@ -1,7 +1,7 @@
 /*
  * Driver for the mt9m111 sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.c b/drivers/media/video/gspca/m5602/m5602_ov9650.c
index 31c5896250e..3d77d995a83 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov9650.c
+++ b/drivers/media/video/gspca/m5602/m5602_ov9650.c
@@ -1,7 +1,7 @@
 /*
  * Driver for the ov9650 sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.h b/drivers/media/video/gspca/m5602/m5602_ov9650.h
index f2230157d05..065632f0378 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov9650.h
+++ b/drivers/media/video/gspca/m5602/m5602_ov9650.h
@@ -1,7 +1,7 @@
 /*
  * Driver for the ov9650 sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c
index 08c015bde11..4b92e1c2ce0 100644
--- a/drivers/media/video/gspca/m5602/m5602_po1030.c
+++ b/drivers/media/video/gspca/m5602/m5602_po1030.c
@@ -1,7 +1,7 @@
 /*
  * Driver for the po1030 sensor
  *
- * Copyright (c) 2008 Erik Andren
+ * Copyright (c) 2008 Erik Andrén
  * Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (c) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.h b/drivers/media/video/gspca/m5602/m5602_po1030.h
index 68f34c97bf4..f75dfa6f659 100644
--- a/drivers/media/video/gspca/m5602/m5602_po1030.h
+++ b/drivers/media/video/gspca/m5602/m5602_po1030.h
@@ -1,8 +1,7 @@
 /*
  * Driver for the po1030 sensor.
- * This is probably a pixel plus sensor but we haven't identified it yet
  *
- * Copyright (c) 2008 Erik Andren
+ * Copyright (c) 2008 Erik Andrén
  * Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (c) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
index 68202565325..77173b687a1 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
+++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
@@ -1,7 +1,7 @@
 /*
  * Driver for the s5k4aa sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
index f214dcdc7d0..eaef67655af 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
+++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
@@ -1,7 +1,7 @@
 /*
  * Driver for the s5k4aa sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.c b/drivers/media/video/gspca/m5602/m5602_s5k83a.c
index b4b33c2d049..5fb7f124672 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k83a.c
+++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.c
@@ -1,7 +1,7 @@
 /*
  * Driver for the s5k83a sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.h b/drivers/media/video/gspca/m5602/m5602_s5k83a.h
index 58dd59f656b..ee3ee9cfca1 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k83a.h
+++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.h
@@ -1,7 +1,7 @@
 /*
  * Driver for the s5k83a sensor
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
diff --git a/drivers/media/video/gspca/m5602/m5602_sensor.h b/drivers/media/video/gspca/m5602/m5602_sensor.h
index 930fcaab441..60c9a48e0c0 100644
--- a/drivers/media/video/gspca/m5602/m5602_sensor.h
+++ b/drivers/media/video/gspca/m5602/m5602_sensor.h
@@ -1,7 +1,7 @@
 /*
  * USB Driver for ALi m5602 based webcams
  *
- * Copyright (C) 2008 Erik Andren
+ * Copyright (C) 2008 Erik Andrén
  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
  *
-- 
GitLab


From 17ea88ae956279b20e7be8e2906212fbdde24f3d Mon Sep 17 00:00:00 2001
From: Erik Andren <erik.andren@gmail.com>
Date: Thu, 16 Oct 2008 16:46:07 -0300
Subject: [PATCH 1095/2224] V4L/DVB (9280): gspca: Use the gspca debug macros

Signed-off-by: Erik Andren <erik.andren@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 .../media/video/gspca/m5602/m5602_bridge.h    | 27 -------------
 drivers/media/video/gspca/m5602/m5602_core.c  | 34 +++++++----------
 .../media/video/gspca/m5602/m5602_mt9m111.c   | 16 ++++----
 .../media/video/gspca/m5602/m5602_ov9650.c    | 38 +++++++++----------
 .../media/video/gspca/m5602/m5602_po1030.c    | 25 ++++++------
 .../media/video/gspca/m5602/m5602_s5k4aa.c    | 20 +++++-----
 .../media/video/gspca/m5602/m5602_s5k83a.c    |  4 +-
 7 files changed, 66 insertions(+), 98 deletions(-)

diff --git a/drivers/media/video/gspca/m5602/m5602_bridge.h b/drivers/media/video/gspca/m5602/m5602_bridge.h
index 0669e72ff22..1a37ae4bc82 100644
--- a/drivers/media/video/gspca/m5602/m5602_bridge.h
+++ b/drivers/media/video/gspca/m5602/m5602_bridge.h
@@ -25,33 +25,6 @@
 
 /*****************************************************************************/
 
-#undef PDEBUG
-#undef info
-#undef err
-
-#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
-	format "\n" , ## arg)
-#define info(format, arg...) printk(KERN_INFO KBUILD_MODNAME ": " \
-	format "\n" , ## arg)
-
-/* Debug parameters */
-#define DBG_INIT 0x1
-#define DBG_PROBE 0x2
-#define DBG_V4L2 0x4
-#define DBG_TRACE 0x8
-#define DBG_DATA 0x10
-#define DBG_V4L2_CID 0x20
-#define DBG_GSPCA 0x40
-
-#define PDEBUG(level, fmt, args...) \
-	do { \
-		if (m5602_debug & level)     \
-			info("[%s:%d] " fmt, __func__, __LINE__ , \
-			## args); \
-	} while (0)
-
-/*****************************************************************************/
-
 #define M5602_XB_SENSOR_TYPE 0x00
 #define M5602_XB_SENSOR_CTRL 0x01
 #define M5602_XB_LINE_OF_FRAME_H 0x02
diff --git a/drivers/media/video/gspca/m5602/m5602_core.c b/drivers/media/video/gspca/m5602/m5602_core.c
index 687d54641da..fd6ce384b48 100644
--- a/drivers/media/video/gspca/m5602/m5602_core.c
+++ b/drivers/media/video/gspca/m5602/m5602_core.c
@@ -1,4 +1,4 @@
-/*
+ /*
  * USB Driver for ALi m5602 based webcams
  *
  * Copyright (C) 2008 Erik Andrén
@@ -26,7 +26,6 @@
 int force_sensor;
 int dump_bridge;
 int dump_sensor;
-unsigned int m5602_debug;
 
 static const __devinitdata struct usb_device_id m5602_table[] = {
 	{USB_DEVICE(0x0402, 0x5602)},
@@ -48,7 +47,7 @@ int m5602_read_bridge(struct sd *sd, u8 address, u8 *i2c_data)
 			      1, M5602_URB_MSG_TIMEOUT);
 	*i2c_data = buf[0];
 
-	PDEBUG(DBG_TRACE, "Reading bridge register 0x%x containing 0x%x",
+	PDEBUG(D_CONF, "Reading bridge register 0x%x containing 0x%x",
 	       address, *i2c_data);
 
 	/* usb_control_msg(...) returns the number of bytes sent upon success,
@@ -63,7 +62,7 @@ int m5602_write_bridge(struct sd *sd, u8 address, u8 i2c_data)
 	struct usb_device *udev = sd->gspca_dev.dev;
 	__u8 *buf = sd->gspca_dev.usb_buf;
 
-	PDEBUG(DBG_TRACE, "Writing bridge register 0x%x with 0x%x",
+	PDEBUG(D_CONF, "Writing bridge register 0x%x with 0x%x",
 	       address, i2c_data);
 
 	memcpy(buf, bridge_urb_skeleton,
@@ -91,7 +90,8 @@ static void m5602_dump_bridge(struct sd *sd)
 		m5602_read_bridge(sd, i, &val);
 		info("ALi m5602 address 0x%x contains 0x%x", i, val);
 	}
-	info("Warning: The camera probably won't work until it's power cycled");
+	info("Warning: The ALi m5602 webcam probably won't work "
+		"until it's power cycled");
 }
 
 static int m5602_probe_sensor(struct sd *sd)
@@ -135,7 +135,7 @@ static int m5602_init(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;
 	int err;
 
-	PDEBUG(DBG_TRACE, "Initializing ALi m5602 webcam");
+	PDEBUG(D_CONF, "Initializing ALi m5602 webcam");
 	/* Run the init sequence */
 	err = sd->sensor->init(sd);
 
@@ -156,7 +156,7 @@ static int m5602_start_transfer(struct gspca_dev *gspca_dev)
 			      0x04, 0x40, 0x19, 0x0000, buf,
 			      4, M5602_URB_MSG_TIMEOUT);
 
-	PDEBUG(DBG_V4L2, "Transfer started");
+	PDEBUG(D_STREAM, "Transfer started");
 	return (err < 0) ? err : 0;
 }
 
@@ -167,14 +167,14 @@ static void m5602_urb_complete(struct gspca_dev *gspca_dev,
 	struct sd *sd = (struct sd *) gspca_dev;
 
 	if (len < 6) {
-		PDEBUG(DBG_DATA, "Packet is less than 6 bytes");
+		PDEBUG(D_PACK, "Packet is less than 6 bytes");
 		return;
 	}
 
 	/* Frame delimiter: ff xx xx xx ff ff */
 	if (data[0] == 0xff && data[4] == 0xff && data[5] == 0xff &&
 	    data[2] != sd->frame_id) {
-		PDEBUG(DBG_DATA, "Frame delimiter detected");
+		PDEBUG(D_FRAM, "Frame delimiter detected");
 		sd->frame_id = data[2];
 
 		/* Remove the extra fluff appended on each header */
@@ -189,7 +189,7 @@ static void m5602_urb_complete(struct gspca_dev *gspca_dev,
 		/* Create a new frame */
 		gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len);
 
-		PDEBUG(DBG_V4L2, "Starting new frame %d",
+		PDEBUG(D_FRAM, "Starting new frame %d",
 		       sd->frame_count);
 
 	} else {
@@ -200,7 +200,7 @@ static void m5602_urb_complete(struct gspca_dev *gspca_dev,
 		len -= 4;
 
 		if (cur_frame_len + len <= frame->v4l2_buf.length) {
-			PDEBUG(DBG_DATA, "Continuing frame %d copying %d bytes",
+			PDEBUG(D_FRAM, "Continuing frame %d copying %d bytes",
 			       sd->frame_count, len);
 
 			gspca_frame_add(gspca_dev, INTER_PACKET, frame,
@@ -236,8 +236,6 @@ static int m5602_configure(struct gspca_dev *gspca_dev,
 	struct cam *cam;
 	int err;
 
-	PDEBUG(DBG_GSPCA, "m5602_configure start");
-
 	cam = &gspca_dev->cam;
 	cam->epaddr = M5602_ISOC_ENDPOINT_ADDR;
 	sd->desc = &sd_desc;
@@ -250,11 +248,10 @@ static int m5602_configure(struct gspca_dev *gspca_dev,
 	if (err)
 		goto fail;
 
-	PDEBUG(DBG_GSPCA, "m5602_configure end");
 	return 0;
 
 fail:
-	PDEBUG(DBG_GSPCA, "m5602_configure failed");
+	PDEBUG(D_ERR, "ALi m5602 webcam failed");
 	cam->cam_mode = NULL;
 	cam->nmodes = 0;
 
@@ -284,13 +281,13 @@ static int __init mod_m5602_init(void)
 {
 	if (usb_register(&sd_driver) < 0)
 		return -1;
-	PDEBUG(D_PROBE, "m5602 module registered");
+	PDEBUG(D_PROBE, "registered");
 	return 0;
 }
 static void __exit mod_m5602_exit(void)
 {
 	usb_deregister(&sd_driver);
-	PDEBUG(D_PROBE, "m5602 module deregistered");
+	PDEBUG(D_PROBE, "deregistered");
 }
 
 module_init(mod_m5602_init);
@@ -299,9 +296,6 @@ module_exit(mod_m5602_exit);
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
-module_param_named(debug, m5602_debug, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "toggles debug on/off");
-
 module_param(force_sensor, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(force_sensor,
 		"force detection of sensor, "
diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/drivers/media/video/gspca/m5602/m5602_mt9m111.c
index a0e0bff87dc..fb700c2d055 100644
--- a/drivers/media/video/gspca/m5602/m5602_mt9m111.c
+++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.c
@@ -107,7 +107,7 @@ int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
 	err = mt9m111_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
 				  data, 2);
 	*val = data[0] & MT9M111_RMB_MIRROR_ROWS;
-	PDEBUG(DBG_V4L2_CID, "Read vertical flip %d", *val);
+	PDEBUG(D_V4L2, "Read vertical flip %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -118,7 +118,7 @@ int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
 	u8 data[2] = {0x00, 0x00};
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set vertical flip to %d", val);
+	PDEBUG(D_V4L2, "Set vertical flip to %d", val);
 
 	/* Set the correct page map */
 	err = mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
@@ -145,7 +145,7 @@ int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
 	err = mt9m111_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
 				  data, 2);
 	*val = data[0] & MT9M111_RMB_MIRROR_COLS;
-	PDEBUG(DBG_V4L2_CID, "Read horizontal flip %d", *val);
+	PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -156,7 +156,7 @@ int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
 	u8 data[2] = {0x00, 0x00};
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set horizontal flip to %d", val);
+	PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
 
 	/* Set the correct page map */
 	err = mt9m111_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
@@ -188,7 +188,7 @@ int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
 	      ((tmp & (1 <<  8)) * 2) |
 	       (tmp & 0x7f);
 
-	PDEBUG(DBG_V4L2_CID, "Read gain %d", *val);
+	PDEBUG(D_V4L2, "Read gain %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -222,7 +222,7 @@ int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val)
 
 	data[1] = (tmp & 0xff00) >> 8;
 	data[0] = (tmp & 0xff);
-	PDEBUG(DBG_V4L2_CID, "tmp=%d, data[1]=%d, data[0]=%d", tmp,
+	PDEBUG(D_V4L2, "tmp=%d, data[1]=%d, data[0]=%d", tmp,
 	       data[1], data[0]);
 
 	err = mt9m111_write_sensor(sd, MT9M111_SC_GLOBAL_GAIN,
@@ -257,7 +257,7 @@ int mt9m111_read_sensor(struct sd *sd, const u8 address,
 	for (i = 0; i < len && !err; i++) {
 		err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i]));
 
-		PDEBUG(DBG_TRACE, "Reading sensor register "
+		PDEBUG(D_CONF, "Reading sensor register "
 		       "0x%x contains 0x%x ", address, *i2c_data);
 	}
 out:
@@ -290,7 +290,7 @@ int mt9m111_write_sensor(struct sd *sd, const u8 address,
 		memcpy(p, sensor_urb_skeleton + 16, 4);
 		p[3] = i2c_data[i];
 		p += 4;
-		PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x",
+		PDEBUG(D_CONF, "Writing sensor register 0x%x with 0x%x",
 		       address, i2c_data[i]);
 	}
 
diff --git a/drivers/media/video/gspca/m5602/m5602_ov9650.c b/drivers/media/video/gspca/m5602/m5602_ov9650.c
index 3d77d995a83..837c7e47661 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov9650.c
+++ b/drivers/media/video/gspca/m5602/m5602_ov9650.c
@@ -40,7 +40,7 @@ int ov9650_read_sensor(struct sd *sd, const u8 address,
 	for (i = 0; i < len; i++) {
 		err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i]));
 
-		PDEBUG(DBG_TRACE, "Reading sensor register "
+		PDEBUG(D_CONF, "Reading sensor register "
 				"0x%x containing 0x%x ", address, *i2c_data);
 	}
 	return (err < 0) ? err : 0;
@@ -72,7 +72,7 @@ int ov9650_write_sensor(struct sd *sd, const u8 address,
 		memcpy(p, sensor_urb_skeleton + 16, 4);
 		p[3] = i2c_data[i];
 		p += 4;
-		PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x",
+		PDEBUG(D_CONF, "Writing sensor register 0x%x with 0x%x",
 		       address, i2c_data[i]);
 	}
 
@@ -199,7 +199,7 @@ int ov9650_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
 		goto out;
 	*val |= (i2c_data & 0x3f) << 10;
 
-	PDEBUG(DBG_V4L2_CID, "Read exposure %d", *val);
+	PDEBUG(D_V4L2, "Read exposure %d", *val);
 out:
 	return (err < 0) ? err : 0;
 }
@@ -210,7 +210,7 @@ int ov9650_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	int err;
 
-	PDEBUG(DBG_V4L2_CID, "Set exposure to %d",
+	PDEBUG(D_V4L2, "Set exposure to %d",
 	       val & 0xffff);
 
 	/* The 6 MSBs */
@@ -246,7 +246,7 @@ int ov9650_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
 
 	err = ov9650_read_sensor(sd, OV9650_GAIN, &i2c_data, 1);
 	*val |= i2c_data;
-	PDEBUG(DBG_V4L2_CID, "Read gain %d", *val);
+	PDEBUG(D_V4L2, "Read gain %d", *val);
 	return (err < 0) ? err : 0;
 }
 
@@ -280,7 +280,7 @@ int ov9650_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
 	err = ov9650_read_sensor(sd, OV9650_RED, &i2c_data, 1);
 	*val = i2c_data;
 
-	PDEBUG(DBG_V4L2_CID, "Read red gain %d", *val);
+	PDEBUG(D_V4L2, "Read red gain %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -291,7 +291,7 @@ int ov9650_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set red gain to %d",
+	PDEBUG(D_V4L2, "Set red gain to %d",
 			     val & 0xff);
 
 	i2c_data = val & 0xff;
@@ -309,7 +309,7 @@ int ov9650_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
 	err = ov9650_read_sensor(sd, OV9650_BLUE, &i2c_data, 1);
 	*val = i2c_data;
 
-	PDEBUG(DBG_V4L2_CID, "Read blue gain %d", *val);
+	PDEBUG(D_V4L2, "Read blue gain %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -320,7 +320,7 @@ int ov9650_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set blue gain to %d",
+	PDEBUG(D_V4L2, "Set blue gain to %d",
 	       val & 0xff);
 
 	i2c_data = val & 0xff;
@@ -340,7 +340,7 @@ int ov9650_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
 		*val = ((i2c_data & OV9650_HFLIP) >> 5) ? 0 : 1;
 	else
 		*val = (i2c_data & OV9650_HFLIP) >> 5;
-	PDEBUG(DBG_V4L2_CID, "Read horizontal flip %d", *val);
+	PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -351,7 +351,7 @@ int ov9650_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set horizontal flip to %d", val);
+	PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
 	err = ov9650_read_sensor(sd, OV9650_MVFP, &i2c_data, 1);
 	if (err < 0)
 		goto out;
@@ -379,7 +379,7 @@ int ov9650_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
 		*val = ((i2c_data & 0x10) >> 4) ? 0 : 1;
 	else
 		*val = (i2c_data & 0x10) >> 4;
-	PDEBUG(DBG_V4L2_CID, "Read vertical flip %d", *val);
+	PDEBUG(D_V4L2, "Read vertical flip %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -390,7 +390,7 @@ int ov9650_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set vertical flip to %d", val);
+	PDEBUG(D_V4L2, "Set vertical flip to %d", val);
 	err = ov9650_read_sensor(sd, OV9650_MVFP, &i2c_data, 1);
 	if (err < 0)
 		goto out;
@@ -420,7 +420,7 @@ int ov9650_get_brightness(struct gspca_dev *gspca_dev, __s32 *val)
 
 	err = ov9650_read_sensor(sd, OV9650_GAIN, &i2c_data, 1);
 	*val |= i2c_data;
-	PDEBUG(DBG_V4L2_CID, "Read gain %d", *val);
+	PDEBUG(D_V4L2, "Read gain %d", *val);
 out:
 	return (err < 0) ? err : 0;
 }
@@ -431,7 +431,7 @@ int ov9650_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set gain to %d", val & 0x3ff);
+	PDEBUG(D_V4L2, "Set gain to %d", val & 0x3ff);
 
 	/* Read the OV9650_VREF register first to avoid
 		corrupting the VREF high and low bits */
@@ -461,7 +461,7 @@ int ov9650_get_auto_white_balance(struct gspca_dev *gspca_dev, __s32 *val)
 
 	err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
 	*val = (i2c_data & OV9650_AWB_EN) >> 1;
-	PDEBUG(DBG_V4L2_CID, "Read auto white balance %d", *val);
+	PDEBUG(D_V4L2, "Read auto white balance %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -472,7 +472,7 @@ int ov9650_set_auto_white_balance(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set auto white balance to %d", val);
+	PDEBUG(D_V4L2, "Set auto white balance to %d", val);
 	err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
 	if (err < 0)
 		goto out;
@@ -491,7 +491,7 @@ int ov9650_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val)
 
 	err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
 	*val = (i2c_data & OV9650_AGC_EN) >> 2;
-	PDEBUG(DBG_V4L2_CID, "Read auto gain control %d", *val);
+	PDEBUG(D_V4L2, "Read auto gain control %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -502,7 +502,7 @@ int ov9650_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	PDEBUG(DBG_V4L2_CID, "Set auto gain control to %d", val);
+	PDEBUG(D_V4L2, "Set auto gain control to %d", val);
 	err = ov9650_read_sensor(sd, OV9650_COM8, &i2c_data, 1);
 	if (err < 0)
 		goto out;
diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c
index 4b92e1c2ce0..f405294af99 100644
--- a/drivers/media/video/gspca/m5602/m5602_po1030.c
+++ b/drivers/media/video/gspca/m5602/m5602_po1030.c
@@ -1,3 +1,4 @@
+
 /*
  * Driver for the po1030 sensor
  *
@@ -82,7 +83,7 @@ int po1030_read_sensor(struct sd *sd, const u8 address,
 	for (i = 0; i < len; i++) {
 		err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i]));
 
-		PDEBUG(DBG_TRACE, "Reading sensor register "
+		PDEBUG(D_CONF, "Reading sensor register "
 				"0x%x containing 0x%x ", address, *i2c_data);
 	}
 	return (err < 0) ? err : 0;
@@ -112,7 +113,7 @@ int po1030_write_sensor(struct sd *sd, const u8 address,
 		memcpy(p, sensor_urb_skeleton + 16, 4);
 		p[3] = i2c_data[i];
 		p += 4;
-		PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x",
+		PDEBUG(D_CONF, "Writing sensor register 0x%x with 0x%x",
 		       address, i2c_data[i]);
 	}
 
@@ -185,7 +186,7 @@ int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
 				 &i2c_data, 1);
 	*val |= i2c_data;
 
-	PDEBUG(DBG_V4L2_CID, "Exposure read as %d", *val);
+	PDEBUG(D_V4L2, "Exposure read as %d", *val);
 out:
 	return (err < 0) ? err : 0;
 }
@@ -196,10 +197,10 @@ int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	int err;
 
-	PDEBUG(DBG_V4L2, "Set exposure to %d", val & 0xffff);
+	PDEBUG(D_V4L2, "Set exposure to %d", val & 0xffff);
 
 	i2c_data = ((val & 0xff00) >> 8);
-	PDEBUG(DBG_V4L2, "Set exposure to high byte to 0x%x",
+	PDEBUG(D_V4L2, "Set exposure to high byte to 0x%x",
 	       i2c_data);
 
 	err = po1030_write_sensor(sd, PO1030_REG_INTEGLINES_H,
@@ -208,7 +209,7 @@ int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
 		goto out;
 
 	i2c_data = (val & 0xff);
-	PDEBUG(DBG_V4L2, "Set exposure to low byte to 0x%x",
+	PDEBUG(D_V4L2, "Set exposure to low byte to 0x%x",
 	       i2c_data);
 	err = po1030_write_sensor(sd, PO1030_REG_INTEGLINES_M,
 				  &i2c_data, 1);
@@ -226,7 +227,7 @@ int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
 	err = po1030_read_sensor(sd, PO1030_REG_GLOBALGAIN,
 				 &i2c_data, 1);
 	*val = i2c_data;
-	PDEBUG(DBG_V4L2_CID, "Read global gain %d", *val);
+	PDEBUG(D_V4L2, "Read global gain %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -238,7 +239,7 @@ int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val)
 	int err;
 
 	i2c_data = val & 0xff;
-	PDEBUG(DBG_V4L2, "Set global gain to %d", i2c_data);
+	PDEBUG(D_V4L2, "Set global gain to %d", i2c_data);
 	err = po1030_write_sensor(sd, PO1030_REG_GLOBALGAIN,
 				  &i2c_data, 1);
 	return (err < 0) ? err : 0;
@@ -253,7 +254,7 @@ int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
 	err = po1030_read_sensor(sd, PO1030_REG_RED_GAIN,
 				 &i2c_data, 1);
 	*val = i2c_data;
-	PDEBUG(DBG_V4L2_CID, "Read red gain %d", *val);
+	PDEBUG(D_V4L2, "Read red gain %d", *val);
 	return (err < 0) ? err : 0;
 }
 
@@ -264,7 +265,7 @@ int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
 	int err;
 
 	i2c_data = val & 0xff;
-	PDEBUG(DBG_V4L2, "Set red gain to %d", i2c_data);
+	PDEBUG(D_V4L2, "Set red gain to %d", i2c_data);
 	err = po1030_write_sensor(sd, PO1030_REG_RED_GAIN,
 				  &i2c_data, 1);
 	return (err < 0) ? err : 0;
@@ -279,7 +280,7 @@ int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
 	err = po1030_read_sensor(sd, PO1030_REG_BLUE_GAIN,
 				 &i2c_data, 1);
 	*val = i2c_data;
-	PDEBUG(DBG_V4L2_CID, "Read blue gain %d", *val);
+	PDEBUG(D_V4L2, "Read blue gain %d", *val);
 
 	return (err < 0) ? err : 0;
 }
@@ -290,7 +291,7 @@ int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
 	u8 i2c_data;
 	int err;
 	i2c_data = val & 0xff;
-	PDEBUG(DBG_V4L2, "Set blue gain to %d", i2c_data);
+	PDEBUG(D_V4L2, "Set blue gain to %d", i2c_data);
 	err = po1030_write_sensor(sd, PO1030_REG_BLUE_GAIN,
 				  &i2c_data, 1);
 
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
index 77173b687a1..14b1eac5b81 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
+++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
@@ -117,7 +117,7 @@ int s5k4aa_read_sensor(struct sd *sd, const u8 address,
 	for (i = 0; (i < len) & !err; i++) {
 		err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i]));
 
-		PDEBUG(DBG_TRACE, "Reading sensor register "
+		PDEBUG(D_CONF, "Reading sensor register "
 				  "0x%x containing 0x%x ", address, *i2c_data);
 	}
 out:
@@ -150,7 +150,7 @@ int s5k4aa_write_sensor(struct sd *sd, const u8 address,
 		memcpy(p, sensor_urb_skeleton + 16, 4);
 		p[3] = i2c_data[i];
 		p += 4;
-		PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x",
+		PDEBUG(D_CONF, "Writing sensor register 0x%x with 0x%x",
 		       address, i2c_data[i]);
 	}
 
@@ -248,7 +248,7 @@ int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
 	*val = data << 8;
 	err = s5k4aa_read_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1);
 	*val |= data;
-	PDEBUG(DBG_V4L2_CID, "Read exposure %d", *val);
+	PDEBUG(D_V4L2, "Read exposure %d", *val);
 out:
 	return (err < 0) ? err : 0;
 }
@@ -259,7 +259,7 @@ int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
 	u8 data = S5K4AA_PAGE_MAP_2;
 	int err;
 
-	PDEBUG(DBG_V4L2_CID, "Set exposure to %d", val);
+	PDEBUG(D_V4L2, "Set exposure to %d", val);
 	err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
 	if (err < 0)
 		goto out;
@@ -285,7 +285,7 @@ int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
 
 	err = s5k4aa_read_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
 	*val = (data & S5K4AA_RM_V_FLIP) >> 7;
-	PDEBUG(DBG_V4L2_CID, "Read vertical flip %d", *val);
+	PDEBUG(D_V4L2, "Read vertical flip %d", *val);
 
 out:
 	return (err < 0) ? err : 0;
@@ -297,7 +297,7 @@ int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
 	u8 data = S5K4AA_PAGE_MAP_2;
 	int err;
 
-	PDEBUG(DBG_V4L2_CID, "Set vertical flip to %d", val);
+	PDEBUG(D_V4L2, "Set vertical flip to %d", val);
 	err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
 	if (err < 0)
 		goto out;
@@ -341,7 +341,7 @@ int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
 
 	err = s5k4aa_read_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
 	*val = (data & S5K4AA_RM_H_FLIP) >> 6;
-	PDEBUG(DBG_V4L2_CID, "Read horizontal flip %d", *val);
+	PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
 out:
 	return (err < 0) ? err : 0;
 }
@@ -352,7 +352,7 @@ int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
 	u8 data = S5K4AA_PAGE_MAP_2;
 	int err;
 
-	PDEBUG(DBG_V4L2_CID, "Set horizontal flip to %d",
+	PDEBUG(D_V4L2, "Set horizontal flip to %d",
 	       val);
 	err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
 	if (err < 0)
@@ -397,7 +397,7 @@ int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
 
 	err = s5k4aa_read_sensor(sd, S5K4AA_GAIN_2, &data, 1);
 	*val = data;
-	PDEBUG(DBG_V4L2_CID, "Read gain %d", *val);
+	PDEBUG(D_V4L2, "Read gain %d", *val);
 
 out:
 	return (err < 0) ? err : 0;
@@ -409,7 +409,7 @@ int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
 	u8 data = S5K4AA_PAGE_MAP_2;
 	int err;
 
-	PDEBUG(DBG_V4L2_CID, "Set gain to %d", val);
+	PDEBUG(D_V4L2, "Set gain to %d", val);
 	err = s5k4aa_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
 	if (err < 0)
 		goto out;
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k83a.c b/drivers/media/video/gspca/m5602/m5602_s5k83a.c
index 5fb7f124672..8988a728e0b 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k83a.c
+++ b/drivers/media/video/gspca/m5602/m5602_s5k83a.c
@@ -101,7 +101,7 @@ int s5k83a_read_sensor(struct sd *sd, const u8 address,
 	for (i = 0; i < len && !len; i++) {
 		err = m5602_read_bridge(sd, M5602_XB_I2C_DATA, &(i2c_data[i]));
 
-		PDEBUG(DBG_TRACE, "Reading sensor register "
+		PDEBUG(D_CONF, "Reading sensor register "
 				  "0x%x containing 0x%x ", address, *i2c_data);
 	}
 
@@ -135,7 +135,7 @@ int s5k83a_write_sensor(struct sd *sd, const u8 address,
 		memcpy(p, sensor_urb_skeleton + 16, 4);
 		p[3] = i2c_data[i];
 		p += 4;
-		PDEBUG(DBG_TRACE, "Writing sensor register 0x%x with 0x%x",
+		PDEBUG(D_CONF, "Writing sensor register 0x%x with 0x%x",
 		       address, i2c_data[i]);
 	}
 
-- 
GitLab


From e2c974919f03a8c1a2ce9797ecab63468e9ec4ef Mon Sep 17 00:00:00 2001
From: Erik Andren <erik.andren@gmail.com>
Date: Thu, 16 Oct 2008 16:49:17 -0300
Subject: [PATCH 1096/2224] V4L/DVB (9281): gspca: Add hflip and vflip to the
 po1030 sensor

Signed-off-by: Erik Andren <erik.andren@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 .../media/video/gspca/m5602/m5602_po1030.c    | 65 ++++++++++++++++++-
 .../media/video/gspca/m5602/m5602_po1030.h    | 43 ++++++++++--
 2 files changed, 101 insertions(+), 7 deletions(-)

diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c
index f405294af99..d17ac52566e 100644
--- a/drivers/media/video/gspca/m5602/m5602_po1030.c
+++ b/drivers/media/video/gspca/m5602/m5602_po1030.c
@@ -1,4 +1,3 @@
-
 /*
  * Driver for the po1030 sensor
  *
@@ -232,6 +231,70 @@ int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
 	return (err < 0) ? err : 0;
 }
 
+int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 i2c_data;
+	int err;
+
+	err = po1030_read_sensor(sd, PO1030_REG_CONTROL2,
+				 &i2c_data, 1);
+
+	*val = (i2c_data >> 7) & 0x01 ;
+
+	PDEBUG(D_V4L2, "Read hflip %d", *val);
+
+	return (err < 0) ? err : 0;
+}
+
+int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 i2c_data;
+	int err;
+
+	PDEBUG(D_V4L2, "Set hflip %d", val);
+
+	i2c_data = (val & 0x01) << 7;
+
+	err = po1030_write_sensor(sd, PO1030_REG_CONTROL2,
+				  &i2c_data, 1);
+
+	return (err < 0) ? err : 0;
+}
+
+int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 i2c_data;
+	int err;
+
+	err = po1030_read_sensor(sd, PO1030_REG_GLOBALGAIN,
+				 &i2c_data, 1);
+
+	*val = (i2c_data >> 6) & 0x01;
+
+	PDEBUG(D_V4L2, "Read vflip %d", *val);
+
+	return (err < 0) ? err : 0;
+}
+
+int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	u8 i2c_data;
+	int err;
+
+	PDEBUG(D_V4L2, "Set vflip %d", val);
+
+	i2c_data = (val & 0x01) << 6;
+
+	err = po1030_write_sensor(sd, PO1030_REG_CONTROL2,
+				  &i2c_data, 1);
+
+	return (err < 0) ? err : 0;
+}
+
 int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.h b/drivers/media/video/gspca/m5602/m5602_po1030.h
index f75dfa6f659..a0b75ff61d7 100644
--- a/drivers/media/video/gspca/m5602/m5602_po1030.h
+++ b/drivers/media/video/gspca/m5602/m5602_po1030.h
@@ -108,10 +108,13 @@
 #define PO1030_REG_YCONTRAST		0x74
 #define PO1030_REG_YSATURATION		0x75
 
+#define PO1030_HFLIP			(1 << 7)
+#define PO1030_VFLIP			(1 << 6)
+
 /*****************************************************************************/
 
 #define PO1030_GLOBAL_GAIN_DEFAULT	0x12
-#define PO1030_EXPOSURE_DEFAULT		0xf0ff
+#define PO1030_EXPOSURE_DEFAULT		0x0085
 #define PO1030_BLUE_GAIN_DEFAULT 	0x40
 #define PO1030_RED_GAIN_DEFAULT 	0x40
 
@@ -120,7 +123,6 @@
 /* Kernel module parameters */
 extern int force_sensor;
 extern int dump_sensor;
-extern unsigned int m5602_debug;
 
 int po1030_probe(struct sd *sd);
 int po1030_init(struct sd *sd);
@@ -141,6 +143,10 @@ int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val);
 int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val);
 int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val);
 int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val);
+int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
+int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
+int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
+int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
 
 static struct m5602_sensor po1030 = {
 	.name = "PO1030",
@@ -151,7 +157,7 @@ static struct m5602_sensor po1030 = {
 	.init = po1030_init,
 	.power_down = po1030_power_down,
 
-	.nctrls = 4,
+	.nctrls = 6,
 	.ctrls = {
 	{
 		{
@@ -159,7 +165,7 @@ static struct m5602_sensor po1030 = {
 			.type 		= V4L2_CTRL_TYPE_INTEGER,
 			.name 		= "gain",
 			.minimum 	= 0x00,
-			.maximum 	= 0xff,
+			.maximum 	= 0x4f,
 			.step 		= 0x1,
 			.default_value 	= PO1030_GLOBAL_GAIN_DEFAULT,
 			.flags         	= V4L2_CTRL_FLAG_SLIDER
@@ -172,7 +178,7 @@ static struct m5602_sensor po1030 = {
 			.type 		= V4L2_CTRL_TYPE_INTEGER,
 			.name 		= "exposure",
 			.minimum 	= 0x00,
-			.maximum 	= 0xffff,
+			.maximum 	= 0x02ff,
 			.step 		= 0x1,
 			.default_value 	= PO1030_EXPOSURE_DEFAULT,
 			.flags         	= V4L2_CTRL_FLAG_SLIDER
@@ -205,8 +211,33 @@ static struct m5602_sensor po1030 = {
 		},
 		.set = po1030_set_blue_balance,
 		.get = po1030_get_blue_balance
+	}, {
+		{
+			.id 		= V4L2_CID_HFLIP,
+			.type 		= V4L2_CTRL_TYPE_BOOLEAN,
+			.name 		= "horizontal flip",
+			.minimum 	= 0,
+			.maximum 	= 1,
+			.step 		= 1,
+			.default_value 	= 0,
+		},
+		.set = po1030_set_hflip,
+		.get = po1030_get_hflip
+	}, {
+		{
+			.id 		= V4L2_CID_VFLIP,
+			.type 		= V4L2_CTRL_TYPE_BOOLEAN,
+			.name 		= "vertical flip",
+			.minimum 	= 0,
+			.maximum 	= 1,
+			.step 		= 1,
+			.default_value 	= 0,
+		},
+		.set = po1030_set_vflip,
+		.get = po1030_get_vflip
 	}
 	},
+
 	.nmodes = 1,
 	.modes = {
 	{
@@ -380,7 +411,7 @@ static const unsigned char init_po1030[][4] =
 
 	/* Set the y window to 1 */
 	{SENSOR, PO1030_REG_WINDOWY_H, 0x00},
-	{SENSOR, PO1030_REG_WINDOWX_L, 0x01},
+	{SENSOR, PO1030_REG_WINDOWY_L, 0x01},
 
 	{SENSOR, PO1030_REG_WINDOWWIDTH_H, 0x02},
 	{SENSOR, PO1030_REG_WINDOWWIDTH_L, 0x87},
-- 
GitLab


From 447328194efa74aba45c656b47a98c58487a28f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Erik=20Andr=C3=A9n?= <erik.andren@gmail.com>
Date: Mon, 13 Oct 2008 15:52:46 -0300
Subject: [PATCH 1097/2224] V4L/DVB (9282): Properly iterate the urbs when
 destroying them.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Properly iterate the allocated when freeing the urbs, this fixes a memory leak

Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/gspca.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index c21af312ee7..277244b1fd7 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -403,7 +403,7 @@ static void destroy_urbs(struct gspca_dev *gspca_dev)
 	unsigned int i;
 
 	PDEBUG(D_STREAM, "kill transfer");
-	for (i = 0; i < MAX_NURBS; ++i) {
+	for (i = 0; i < MAX_NURBS; i++) {
 		urb = gspca_dev->urb[i];
 		if (urb == NULL)
 			break;
-- 
GitLab


From 88d99fcac4a78d9ed95535a6efb84703b84ad935 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Erik=20Andr=C3=A9n?= <erik.andren@gmail.com>
Date: Mon, 13 Oct 2008 16:00:35 -0300
Subject: [PATCH 1098/2224] V4L/DVB (9283): Correct typo and enable setting the
 gain on the mt9m111 sensor
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

A typo was introduced during the gspca conversion, crippling the ability to control the gain on the mt9m111 sensor.

Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/m5602/m5602_mt9m111.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.h b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
index 07d224d0138..315209d5aee 100644
--- a/drivers/media/video/gspca/m5602/m5602_mt9m111.h
+++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
@@ -151,8 +151,8 @@ static struct m5602_sensor mt9m111 = {
 			.default_value  = DEFAULT_GAIN,
 			.flags          = V4L2_CTRL_FLAG_SLIDER
 		},
-		.set = mt9m111_set_hflip,
-		.get = mt9m111_get_hflip
+		.set = mt9m111_set_gain,
+		.get = mt9m111_get_gain
 	}
 	},
 
-- 
GitLab


From cf0fe08dd7d96f69d61b4aa7726e24a8c705bbe9 Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 04:36:47 -0300
Subject: [PATCH 1099/2224] V4L/DVB (9286): gspca: Compilation problem of
 gspca.c and the kernel version.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/gspca.c | 1 +
 drivers/media/video/gspca/gspca.h | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 277244b1fd7..e48fbfc8ad0 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -21,6 +21,7 @@
 #define MODULE_NAME "gspca"
 
 #include <linux/init.h>
+#include <linux/version.h>
 #include <linux/fs.h>
 #include <linux/vmalloc.h>
 #include <linux/sched.h>
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 4779dd0b06d..1d9dc90b479 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -2,7 +2,6 @@
 #define GSPCAV2_H
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/usb.h>
 #include <linux/videodev2.h>
-- 
GitLab


From f89be036eb8db1fd1c152ee40a763f27fe0f0bb7 Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 04:42:29 -0300
Subject: [PATCH 1100/2224] V4L/DVB (9287): gspca: Change the name of the multi
 bytes write function in t613.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 63 ++++++++++++++++----------------
 1 file changed, 32 insertions(+), 31 deletions(-)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index b561f7c4f06..9c8562f2390 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -390,7 +390,7 @@ static void reg_w(struct gspca_dev *gspca_dev,
 			NULL, 0, 500);
 }
 
-static void i2c_w(struct gspca_dev *gspca_dev,
+static void reg_w_buf(struct gspca_dev *gspca_dev,
 		  const __u8 *buffer, __u16 len)
 {
 	if (len <= USB_BUF_SZ) {
@@ -448,7 +448,7 @@ static void other_sensor_init(struct gspca_dev *gspca_dev)
 		val[3] = *p++;
 		if (*p == 0)
 			reg_w(gspca_dev, 0x3c80);
-		i2c_w(gspca_dev, val, sizeof val);
+		reg_w_buf(gspca_dev, val, sizeof val);
 		i = 4;
 		while (--i >= 0) {
 			msleep(15);
@@ -490,7 +490,7 @@ static void setgamma(struct gspca_dev *gspca_dev)
 	struct sd *sd = (struct sd *) gspca_dev;
 
 	PDEBUG(D_CONF, "Gamma: %d", sd->gamma);
-	i2c_w(gspca_dev, gamma_table[sd->gamma], sizeof gamma_table[0]);
+	reg_w_buf(gspca_dev, gamma_table[sd->gamma], sizeof gamma_table[0]);
 }
 
 /* this function is called at probe and resume time */
@@ -564,11 +564,11 @@ static int sd_init(struct gspca_dev *gspca_dev)
 		sd->sensor = SENSOR_TAS5130A;
 	}
 
-	i2c_w(gspca_dev, n1, sizeof n1);
+	reg_w_buf(gspca_dev, n1, sizeof n1);
 	test_byte = 0;
 	i = 5;
 	while (--i >= 0) {
-		i2c_w(gspca_dev, nset, sizeof nset);
+		reg_w_buf(gspca_dev, nset, sizeof nset);
 		msleep(5);
 		test_byte = reg_r(gspca_dev, 0x0063);
 		msleep(100);
@@ -580,7 +580,7 @@ static int sd_init(struct gspca_dev *gspca_dev)
 /*		return -EIO; */
 /*fixme: test - continue */
 	}
-	i2c_w(gspca_dev, n2, sizeof n2);
+	reg_w_buf(gspca_dev, n2, sizeof n2);
 
 	i = 0;
 	while (read_indexs[i] != 0x00) {
@@ -590,37 +590,37 @@ static int sd_init(struct gspca_dev *gspca_dev)
 		i++;
 	}
 
-	i2c_w(gspca_dev, n3, sizeof n3);
-	i2c_w(gspca_dev, n4, sizeof n4);
+	reg_w_buf(gspca_dev, n3, sizeof n3);
+	reg_w_buf(gspca_dev, n4, sizeof n4);
 	reg_r(gspca_dev, 0x0080);
 	reg_w(gspca_dev, 0x2c80);
-	i2c_w(gspca_dev, nset2, sizeof nset2);
-	i2c_w(gspca_dev, nset3, sizeof nset3);
-	i2c_w(gspca_dev, nset4, sizeof nset4);
+	reg_w_buf(gspca_dev, nset2, sizeof nset2);
+	reg_w_buf(gspca_dev, nset3, sizeof nset3);
+	reg_w_buf(gspca_dev, nset4, sizeof nset4);
 	reg_w(gspca_dev, 0x3880);
 	reg_w(gspca_dev, 0x3880);
 	reg_w(gspca_dev, 0x338e);
-	i2c_w(gspca_dev, nset5, sizeof nset5);
+	reg_w_buf(gspca_dev, nset5, sizeof nset5);
 	reg_w(gspca_dev, 0x00a9);
 	setgamma(gspca_dev);
 	reg_w(gspca_dev, 0x86bb);
 	reg_w(gspca_dev, 0x4aa6);
 
-	i2c_w(gspca_dev, missing, sizeof missing);
+	reg_w_buf(gspca_dev, missing, sizeof missing);
 
 	reg_w(gspca_dev, 0x2087);
 	reg_w(gspca_dev, 0x2088);
 	reg_w(gspca_dev, 0x2089);
 
-	i2c_w(gspca_dev, nset7, sizeof nset7);
-	i2c_w(gspca_dev, nset10, sizeof nset10);
-	i2c_w(gspca_dev, nset8, sizeof nset8);
-	i2c_w(gspca_dev, nset9, sizeof nset9);
+	reg_w_buf(gspca_dev, nset7, sizeof nset7);
+	reg_w_buf(gspca_dev, nset10, sizeof nset10);
+	reg_w_buf(gspca_dev, nset8, sizeof nset8);
+	reg_w_buf(gspca_dev, nset9, sizeof nset9);
 
 	reg_w(gspca_dev, 0x2880);
-	i2c_w(gspca_dev, nset2, sizeof nset2);
-	i2c_w(gspca_dev, nset3, sizeof nset3);
-	i2c_w(gspca_dev, nset4, sizeof nset4);
+	reg_w_buf(gspca_dev, nset2, sizeof nset2);
+	reg_w_buf(gspca_dev, nset3, sizeof nset3);
+	reg_w_buf(gspca_dev, nset4, sizeof nset4);
 
 	return 0;
 }
@@ -639,7 +639,7 @@ static void setbrightness(struct gspca_dev *gspca_dev)
 		set6[3] = 0x00 + ((brightness - 7) * 0x10);
 	}
 
-	i2c_w(gspca_dev, set6, sizeof set6);
+	reg_w_buf(gspca_dev, set6, sizeof set6);
 }
 
 static void setflip(struct gspca_dev *gspca_dev)
@@ -651,14 +651,15 @@ static void setflip(struct gspca_dev *gspca_dev)
 	if (sd->mirror)
 		flipcmd[3] = 0x01;
 
-	i2c_w(gspca_dev, flipcmd, sizeof flipcmd);
+	reg_w_buf(gspca_dev, flipcmd, sizeof flipcmd);
 }
 
 static void seteffect(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
 
-	i2c_w(gspca_dev, effects_table[sd->effect], sizeof effects_table[0]);
+	reg_w_buf(gspca_dev, effects_table[sd->effect],
+				sizeof effects_table[0]);
 	if (sd->effect == 1 || sd->effect == 5) {
 		PDEBUG(D_CONF,
 		       "This effect have been disabled for webcam \"safety\"");
@@ -681,7 +682,7 @@ static void setwhitebalance(struct gspca_dev *gspca_dev)
 	if (sd->whitebalance == 1)
 		white_balance[7] = 0x3c;
 
-	i2c_w(gspca_dev, white_balance, sizeof white_balance);
+	reg_w_buf(gspca_dev, white_balance, sizeof white_balance);
 }
 
 static void setlightfreq(struct gspca_dev *gspca_dev)
@@ -692,7 +693,7 @@ static void setlightfreq(struct gspca_dev *gspca_dev)
 	if (sd->freq == 2)	/* 60hz */
 		freq[1] = 0x00;
 
-	i2c_w(gspca_dev, freq, sizeof freq);
+	reg_w_buf(gspca_dev, freq, sizeof freq);
 }
 
 static void setcontrast(struct gspca_dev *gspca_dev)
@@ -760,25 +761,25 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	if (sd->sensor == SENSOR_TAS5130A) {
 		i = 0;
 		while (tas5130a_sensor_init[i][0] != 0) {
-			i2c_w(gspca_dev, tas5130a_sensor_init[i],
+			reg_w_buf(gspca_dev, tas5130a_sensor_init[i],
 					 sizeof tas5130a_sensor_init[0]);
 			i++;
 		}
 		reg_w(gspca_dev, 0x3c80);
 		/* just in case and to keep sync with logs (for mine) */
-		i2c_w(gspca_dev, tas5130a_sensor_init[3],
+		reg_w_buf(gspca_dev, tas5130a_sensor_init[3],
 				 sizeof tas5130a_sensor_init[0]);
 		reg_w(gspca_dev, 0x3c80);
 	} else {
 		other_sensor_init(gspca_dev);
 	}
 	/* just in case and to keep sync with logs  (for mine) */
-	i2c_w(gspca_dev, t1, sizeof t1);
-	i2c_w(gspca_dev, t2, sizeof t2);
+	reg_w_buf(gspca_dev, t1, sizeof t1);
+	reg_w_buf(gspca_dev, t2, sizeof t2);
 	reg_r(gspca_dev, 0x0012);
-	i2c_w(gspca_dev, t3, sizeof t3);
+	reg_w_buf(gspca_dev, t3, sizeof t3);
 	reg_w(gspca_dev, 0x0013);
-	i2c_w(gspca_dev, t4, sizeof t4);
+	reg_w_buf(gspca_dev, t4, sizeof t4);
 	/* restart on each start, just in case, sometimes regs goes wrong
 	 * when using controls from app */
 	setbrightness(gspca_dev);
-- 
GitLab


From 0bc99b5cf71e5598a94a0e82b5e45b27c7a97ba1 Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 04:45:27 -0300
Subject: [PATCH 1101/2224] V4L/DVB (9288): gspca: Write to the USB device and
 not USB interface in t613.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index 9c8562f2390..6aa3bca91b2 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -385,7 +385,7 @@ static void reg_w(struct gspca_dev *gspca_dev,
 	usb_control_msg(gspca_dev->dev,
 			usb_sndctrlpipe(gspca_dev->dev, 0),
 			0,
-			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 			0, index,
 			NULL, 0, 500);
 }
@@ -398,7 +398,7 @@ static void reg_w_buf(struct gspca_dev *gspca_dev,
 		usb_control_msg(gspca_dev->dev,
 				usb_sndctrlpipe(gspca_dev->dev, 0),
 				0,
-			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 				0x01, 0,
 				gspca_dev->usb_buf, len, 500);
 	} else {
@@ -409,7 +409,7 @@ static void reg_w_buf(struct gspca_dev *gspca_dev,
 		usb_control_msg(gspca_dev->dev,
 				usb_sndctrlpipe(gspca_dev->dev, 0),
 				0,
-			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+			   USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 				0x01, 0,
 				tmpbuf, len, 500);
 		kfree(tmpbuf);
-- 
GitLab


From 236088d215fd0a7144376641eea97785375fd364 Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 04:53:02 -0300
Subject: [PATCH 1102/2224] V4L/DVB (9289): gspca: Other sensor identified as
 om6802 in t613.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index 6aa3bca91b2..c0beedc6b5d 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -50,7 +50,7 @@ struct sd {
 
 	__u8 sensor;
 #define SENSOR_TAS5130A 0
-#define SENSOR_OTHER 1
+#define SENSOR_OM6802 1
 };
 
 /* V4L2 controls supported by the driver */
@@ -416,7 +416,8 @@ static void reg_w_buf(struct gspca_dev *gspca_dev,
 	}
 }
 
-static void other_sensor_init(struct gspca_dev *gspca_dev)
+/* Reported as OM6802*/
+static void om6802_sensor_init(struct gspca_dev *gspca_dev)
 {
 	int i;
 	const __u8 *p;
@@ -557,10 +558,13 @@ static int sd_init(struct gspca_dev *gspca_dev)
 	byte = reg_r(gspca_dev, 0x06);
 	test_byte = reg_r(gspca_dev, 0x07);
 	if (byte == 0x08 && test_byte == 0x07) {
-		PDEBUG(D_CONF, "other sensor");
-		sd->sensor = SENSOR_OTHER;
+		PDEBUG(D_CONF, "sensor om6802");
+		sd->sensor = SENSOR_OM6802;
+	} else if (byte == 0x08 && test_byte == 0x01) {
+		PDEBUG(D_CONF, "sensor tas5130a");
+		sd->sensor = SENSOR_TAS5130A;
 	} else {
-		PDEBUG(D_CONF, "sensor %02x %02x", byte, test_byte);
+		PDEBUG(D_CONF, "unknown sensor %02x %02x", byte, test_byte);
 		sd->sensor = SENSOR_TAS5130A;
 	}
 
@@ -771,7 +775,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
 				 sizeof tas5130a_sensor_init[0]);
 		reg_w(gspca_dev, 0x3c80);
 	} else {
-		other_sensor_init(gspca_dev);
+		om6802_sensor_init(gspca_dev);
 	}
 	/* just in case and to keep sync with logs  (for mine) */
 	reg_w_buf(gspca_dev, t1, sizeof t1);
-- 
GitLab


From 392ee5a59d72a3a8a72d9f33553e23848bb62e0a Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 05:00:59 -0300
Subject: [PATCH 1103/2224] V4L/DVB (9290): gspca: Adjust the sensor init
 sequences in t613.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index c0beedc6b5d..169004a95f8 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -365,6 +365,8 @@ static const __u8 tas5130a_sensor_init[][8] = {
 	{},
 };
 
+static __u8 sensor_reset[] = {0x61, 0x68, 0x62, 0xff, 0x60, 0x07};
+
 /* read 1 byte */
 static int reg_r(struct gspca_dev *gspca_dev,
 		   __u16 index)
@@ -437,12 +439,25 @@ static void om6802_sensor_init(struct gspca_dev *gspca_dev)
 		0x90, 0x24,
 		0x91, 0xb2,
 		0x82, 0x32,
-		0xfd, 0x00,
-		0xfd, 0x01,
 		0xfd, 0x41,
 		0x00			/* table end */
 	};
 
+	reg_w_buf(gspca_dev, sensor_reset, sizeof sensor_reset);
+	msleep(5);
+	i = 4;
+	while (--i < 0) {
+		byte = reg_r(gspca_dev, 0x0060);
+		if (!(byte & 0x01))
+			break;
+		msleep(100);
+	}
+	byte = reg_r(gspca_dev, 0x0063);
+	if (byte != 0x17) {
+		err("Bad sensor reset %02x", byte);
+		/* continue? */
+	}
+
 	p = sensor_init;
 	while (*p != 0) {
 		val[1] = *p++;
@@ -458,7 +473,8 @@ static void om6802_sensor_init(struct gspca_dev *gspca_dev)
 				break;
 		}
 	}
-			reg_w(gspca_dev, 0x3c80);
+	msleep(15);
+	reg_w(gspca_dev, 0x3c80);
 }
 
 /* this function is called at probe time */
@@ -512,8 +528,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
 			{0x08, 0x03, 0x09, 0x03, 0x12, 0x04};
 	static const __u8 n2[] =
 			{0x08, 0x00};
-	static const __u8 nset[] =
-			{ 0x61, 0x68, 0x62, 0xff, 0x60, 0x07 };
 	static const __u8 n3[] =
 			{0x61, 0x68, 0x65, 0x0a, 0x60, 0x04};
 	static const __u8 n4[] =
@@ -572,8 +586,7 @@ static int sd_init(struct gspca_dev *gspca_dev)
 	test_byte = 0;
 	i = 5;
 	while (--i >= 0) {
-		reg_w_buf(gspca_dev, nset, sizeof nset);
-		msleep(5);
+		reg_w_buf(gspca_dev, sensor_reset, sizeof sensor_reset);
 		test_byte = reg_r(gspca_dev, 0x0063);
 		msleep(100);
 		if (test_byte == 0x17)
-- 
GitLab


From cbc51c6d6e553f799a100eb58d4fbd7617d5becd Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 05:07:45 -0300
Subject: [PATCH 1104/2224] V4L/DVB (9291): gspca: Do not set the white balance
 temperature by default in t613.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index 169004a95f8..6c7eedc481a 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -188,7 +188,7 @@ static struct ctrl sd_ctrls[] = {
 	  .minimum = 0,
 	  .maximum = 1,
 	  .step = 1,
-	  .default_value = 1,
+	  .default_value = 0,
 	  },
 	 .set = sd_setwhitebalance,
 	 .get = sd_getwhitebalance
-- 
GitLab


From 35480b6bc3884a1c2f9928c45c67dbfe85e1de75 Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 05:19:46 -0300
Subject: [PATCH 1105/2224] V4L/DVB (9292): gspca: Call the control setting
 functions at init time in t613.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 142 +++++++++++++++----------------
 1 file changed, 70 insertions(+), 72 deletions(-)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index 6c7eedc481a..3ffbf37e946 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -502,6 +502,46 @@ static int sd_config(struct gspca_dev *gspca_dev,
 	return 0;
 }
 
+static void setbrightness(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	unsigned int brightness;
+	__u8 set6[4] = { 0x8f, 0x24, 0xc3, 0x00 };
+
+	brightness = sd->brightness;
+	if (brightness < 7) {
+		set6[1] = 0x26;
+		set6[3] = 0x70 - brightness * 0x10;
+	} else {
+		set6[3] = 0x00 + ((brightness - 7) * 0x10);
+	}
+
+	reg_w_buf(gspca_dev, set6, sizeof set6);
+}
+
+static void setcontrast(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	unsigned int contrast = sd->contrast;
+	__u16 reg_to_write;
+
+	if (contrast < 7)
+		reg_to_write = 0x8ea9 - contrast * 0x200;
+	else
+		reg_to_write = 0x00a9 + (contrast - 7) * 0x200;
+
+	reg_w(gspca_dev, reg_to_write);
+}
+
+static void setcolors(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	__u16 reg_to_write;
+
+	reg_to_write = 0x80bb + sd->colors * 0x100;	/* was 0xc0 */
+	reg_w(gspca_dev, reg_to_write);
+}
+
 static void setgamma(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
@@ -510,6 +550,29 @@ static void setgamma(struct gspca_dev *gspca_dev)
 	reg_w_buf(gspca_dev, gamma_table[sd->gamma], sizeof gamma_table[0]);
 }
 
+static void setwhitebalance(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+
+	__u8 white_balance[8] =
+		{0x87, 0x20, 0x88, 0x20, 0x89, 0x20, 0x80, 0x38};
+
+	if (sd->whitebalance)
+		white_balance[7] = 0x3c;
+
+	reg_w_buf(gspca_dev, white_balance, sizeof white_balance);
+}
+
+static void setsharpness(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	__u16 reg_to_write;
+
+	reg_to_write = 0x0aa6 + 0x1000 * sd->sharpness;
+
+	reg_w(gspca_dev, reg_to_write);
+}
+
 /* this function is called at probe and resume time */
 static int sd_init(struct gspca_dev *gspca_dev)
 {
@@ -551,8 +614,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
 		0xd5, 0x28, 0xd6, 0x1e, 0xd7, 0x27,
 		0xd8, 0xc8, 0xd9, 0xfc
 	};
-	static const __u8 missing[] =
-		{ 0x87, 0x20, 0x88, 0x20, 0x89, 0x20, 0x80, 0x38 };
 	static const __u8 nset3[] = {
 		0xc7, 0x60, 0xc8, 0xa8, 0xc9, 0xe0, 0xca, 0x60, 0xcb, 0xa8,
 		0xcc, 0xe0, 0xcd, 0x60, 0xce, 0xa8,
@@ -617,15 +678,15 @@ static int sd_init(struct gspca_dev *gspca_dev)
 	reg_w(gspca_dev, 0x3880);
 	reg_w(gspca_dev, 0x3880);
 	reg_w(gspca_dev, 0x338e);
-	reg_w_buf(gspca_dev, nset5, sizeof nset5);
-	reg_w(gspca_dev, 0x00a9);
+nset5 - missing
+	setbrightness(gspca_dev);
+	setcontrast(gspca_dev);
 	setgamma(gspca_dev);
-	reg_w(gspca_dev, 0x86bb);
-	reg_w(gspca_dev, 0x4aa6);
-
-	reg_w_buf(gspca_dev, missing, sizeof missing);
+	setcolors(gspca_dev);
+	setsharpness(gspca_dev);
+	setwhitebalance(gspca_dev);
 
-	reg_w(gspca_dev, 0x2087);
+	reg_w(gspca_dev, 0x2087);	/* tied to white balance? */
 	reg_w(gspca_dev, 0x2088);
 	reg_w(gspca_dev, 0x2089);
 
@@ -642,23 +703,6 @@ static int sd_init(struct gspca_dev *gspca_dev)
 	return 0;
 }
 
-static void setbrightness(struct gspca_dev *gspca_dev)
-{
-	struct sd *sd = (struct sd *) gspca_dev;
-	unsigned int brightness;
-	__u8 set6[4] = { 0x8f, 0x26, 0xc3, 0x00 };
-
-	brightness = sd->brightness;
-	if (brightness < 7) {
-		set6[3] = 0x70 - brightness * 0x10;
-	} else {
-		set6[1] = 0x24;
-		set6[3] = 0x00 + ((brightness - 7) * 0x10);
-	}
-
-	reg_w_buf(gspca_dev, set6, sizeof set6);
-}
-
 static void setflip(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
@@ -689,19 +733,6 @@ static void seteffect(struct gspca_dev *gspca_dev)
 		reg_w(gspca_dev, 0xfaa6);
 }
 
-static void setwhitebalance(struct gspca_dev *gspca_dev)
-{
-	struct sd *sd = (struct sd *) gspca_dev;
-
-	__u8 white_balance[8] =
-	    { 0x87, 0x20, 0x88, 0x20, 0x89, 0x20, 0x80, 0x38 };
-
-	if (sd->whitebalance == 1)
-		white_balance[7] = 0x3c;
-
-	reg_w_buf(gspca_dev, white_balance, sizeof white_balance);
-}
-
 static void setlightfreq(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
@@ -713,39 +744,6 @@ static void setlightfreq(struct gspca_dev *gspca_dev)
 	reg_w_buf(gspca_dev, freq, sizeof freq);
 }
 
-static void setcontrast(struct gspca_dev *gspca_dev)
-{
-	struct sd *sd = (struct sd *) gspca_dev;
-	unsigned int contrast = sd->contrast;
-	__u16 reg_to_write;
-
-	if (contrast < 7)
-		reg_to_write = 0x8ea9 - (0x200 * contrast);
-	else
-		reg_to_write = (0x00a9 + ((contrast - 7) * 0x200));
-
-	reg_w(gspca_dev, reg_to_write);
-}
-
-static void setcolors(struct gspca_dev *gspca_dev)
-{
-	struct sd *sd = (struct sd *) gspca_dev;
-	__u16 reg_to_write;
-
-	reg_to_write = 0xc0bb + sd->colors * 0x100;
-	reg_w(gspca_dev, reg_to_write);
-}
-
-static void setsharpness(struct gspca_dev *gspca_dev)
-{
-	struct sd *sd = (struct sd *) gspca_dev;
-	__u16 reg_to_write;
-
-	reg_to_write = 0x0aa6 + 0x1000 * sd->sharpness;
-
-	reg_w(gspca_dev, reg_to_write);
-}
-
 static int sd_start(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
-- 
GitLab


From ad62fb08dee8d56f79add53befe9e07c8cec0a95 Mon Sep 17 00:00:00 2001
From: Leandro Costantino <lcostantino@gmail.com>
Date: Fri, 17 Oct 2008 05:27:04 -0300
Subject: [PATCH 1106/2224] V4L/DVB (9293): gspca: Separate and fix the sensor
 dependant sequences in t613.

Signed-off-by: Leandro Costantino <lcostantino@gmail.com>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 147 +++++++++++++++++++++++--------
 1 file changed, 110 insertions(+), 37 deletions(-)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index 3ffbf37e946..b2823700bd9 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -261,6 +261,59 @@ static struct v4l2_pix_format vga_mode_t16[] = {
 		.priv = 0},
 };
 
+/* sensor specific data */
+struct additional_sensor_data {
+	const __u8 data1[20];
+	const __u8 data2[18];
+	const __u8 data3[18];
+	const __u8 data4[4];
+	const __u8 data5[6];
+	const __u8 stream[4];
+};
+
+const static struct additional_sensor_data sensor_data[] = {
+    {				/* TAS5130A */
+	.data1 =
+		{0xd0, 0xbb, 0xd1, 0x28, 0xd2, 0x10, 0xd3, 0x10,
+		 0xd4, 0xbb, 0xd5, 0x28, 0xd6, 0x1e, 0xd7, 0x27,
+		 0xd8, 0xc8, 0xd9, 0xfc},
+	.data2 =
+		{0xe0, 0x60, 0xe1, 0xa8, 0xe2, 0xe0, 0xe3, 0x60,
+		 0xe4, 0xa8, 0xe5, 0xe0, 0xe6, 0x60, 0xe7, 0xa8,
+		 0xe8, 0xe0},
+	.data3 =
+		{0xc7, 0x60, 0xc8, 0xa8, 0xc9, 0xe0, 0xca, 0x60,
+		 0xcb, 0xa8, 0xcc, 0xe0, 0xcd, 0x60, 0xce, 0xa8,
+		 0xcf, 0xe0},
+	.data4 =	/* Freq (50/60Hz). Splitted for test purpose */
+		{0x66, 0x00, 0xa8, 0xe8},
+	.data5 =
+		{0x0c, 0x03, 0xab, 0x10, 0x81, 0x20},
+	.stream =
+		{0x0b, 0x04, 0x0a, 0x40},
+    },
+    {				/* OM6802 */
+	.data1 =
+		{0xd0, 0xc2, 0xd1, 0x28, 0xd2, 0x0f, 0xd3, 0x22,
+		 0xd4, 0xcd, 0xd5, 0x27, 0xd6, 0x2c, 0xd7, 0x06,
+		 0xd8, 0xb3, 0xd9, 0xfc},
+	.data2 =
+		{0xe0, 0x80, 0xe1, 0xff, 0xe2, 0xff, 0xe3, 0x80,
+		 0xe4, 0xff, 0xe5, 0xff, 0xe6, 0x80, 0xe7, 0xff,
+		 0xe8, 0xff},
+	.data3 =
+		{0xc7, 0x80, 0xc8, 0xff, 0xc9, 0xff, 0xca, 0x80,
+		 0xcb, 0xff, 0xcc, 0xff, 0xcd, 0x80, 0xce, 0xff,
+		 0xcf, 0xff},
+	.data4 =	/*Freq (50/60Hz). Splitted for test purpose */
+		{0x66, 0xca, 0xa8, 0xf0 },
+	.data5 =	/* this could be removed later */
+		{0x0c, 0x03, 0xab, 0x13, 0x81, 0x23},
+	.stream =
+		{0x0b, 0x04, 0x0a, 0x78},
+    }
+};
+
 #define MAX_EFFECTS 7
 /* easily done by soft, this table could be removed,
  * i keep it here just in case */
@@ -603,32 +656,10 @@ static int sd_init(struct gspca_dev *gspca_dev)
 		 0x65, 0x0a, 0xbb, 0x86, 0xaf, 0x58, 0xb0, 0x68,
 		 0x87, 0x40, 0x89, 0x2b, 0x8d, 0xff, 0x83, 0x40,
 		 0xac, 0x84, 0xad, 0x86, 0xaf, 0x46};
-	static const __u8 nset4[] = {
-		0xe0, 0x60, 0xe1, 0xa8, 0xe2, 0xe0, 0xe3, 0x60, 0xe4, 0xa8,
-		0xe5, 0xe0, 0xe6, 0x60, 0xe7, 0xa8,
-		0xe8, 0xe0
-	};
-	/* ojo puede ser 0xe6 en vez de 0xe9 */
-	static const __u8 nset2[] = {
-		0xd0, 0xbb, 0xd1, 0x28, 0xd2, 0x10, 0xd3, 0x10, 0xd4, 0xbb,
-		0xd5, 0x28, 0xd6, 0x1e, 0xd7, 0x27,
-		0xd8, 0xc8, 0xd9, 0xfc
-	};
-	static const __u8 nset3[] = {
-		0xc7, 0x60, 0xc8, 0xa8, 0xc9, 0xe0, 0xca, 0x60, 0xcb, 0xa8,
-		0xcc, 0xe0, 0xcd, 0x60, 0xce, 0xa8,
-		0xcf, 0xe0
-	};
-	static const __u8 nset5[] =
-			{ 0x8f, 0x24, 0xc3, 0x00 };	/* bright */
-	static const __u8 nset7[4] =
-			{ 0x66, 0xca, 0xa8, 0xf8 };	/* 50/60 Hz */
 	static const __u8 nset9[4] =
 			{ 0x0b, 0x04, 0x0a, 0x78 };
 	static const __u8 nset8[6] =
 			{ 0xa8, 0xf0, 0xc6, 0x88, 0xc0, 0x00 };
-	static const __u8 nset10[6] =
-			{ 0x0c, 0x03, 0xab, 0x10, 0x81, 0x20 };
 
 	byte = reg_r(gspca_dev, 0x06);
 	test_byte = reg_r(gspca_dev, 0x07);
@@ -672,13 +703,18 @@ static int sd_init(struct gspca_dev *gspca_dev)
 	reg_w_buf(gspca_dev, n4, sizeof n4);
 	reg_r(gspca_dev, 0x0080);
 	reg_w(gspca_dev, 0x2c80);
-	reg_w_buf(gspca_dev, nset2, sizeof nset2);
-	reg_w_buf(gspca_dev, nset3, sizeof nset3);
-	reg_w_buf(gspca_dev, nset4, sizeof nset4);
+
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data1,
+			sizeof sensor_data[sd->sensor].data1);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data3,
+			sizeof sensor_data[sd->sensor].data3);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data2,
+			sizeof sensor_data[sd->sensor].data2);
+
 	reg_w(gspca_dev, 0x3880);
 	reg_w(gspca_dev, 0x3880);
 	reg_w(gspca_dev, 0x338e);
-nset5 - missing
+
 	setbrightness(gspca_dev);
 	setcontrast(gspca_dev);
 	setgamma(gspca_dev);
@@ -690,15 +726,21 @@ nset5 - missing
 	reg_w(gspca_dev, 0x2088);
 	reg_w(gspca_dev, 0x2089);
 
-	reg_w_buf(gspca_dev, nset7, sizeof nset7);
-	reg_w_buf(gspca_dev, nset10, sizeof nset10);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data4,
+			sizeof sensor_data[sd->sensor].data4);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data5,
+			sizeof sensor_data[sd->sensor].data5);
 	reg_w_buf(gspca_dev, nset8, sizeof nset8);
 	reg_w_buf(gspca_dev, nset9, sizeof nset9);
 
 	reg_w(gspca_dev, 0x2880);
-	reg_w_buf(gspca_dev, nset2, sizeof nset2);
-	reg_w_buf(gspca_dev, nset3, sizeof nset3);
-	reg_w_buf(gspca_dev, nset4, sizeof nset4);
+
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data1,
+			sizeof sensor_data[sd->sensor].data1);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data3,
+			sizeof sensor_data[sd->sensor].data3);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data2,
+			sizeof sensor_data[sd->sensor].data2);
 
 	return 0;
 }
@@ -744,16 +786,43 @@ static void setlightfreq(struct gspca_dev *gspca_dev)
 	reg_w_buf(gspca_dev, freq, sizeof freq);
 }
 
+/* Is this really needed?
+ * i added some module parameters for test with some users */
+static void poll_sensor(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+	static const __u8 poll1[] =
+		{0x67, 0x05, 0x68, 0x81, 0x69, 0x80, 0x6a, 0x82,
+		 0x6b, 0x68, 0x6c, 0x69, 0x72, 0xd9, 0x73, 0x34,
+		 0x74, 0x32, 0x75, 0x92, 0x76, 0x00, 0x09, 0x01,
+		 0x60, 0x14};
+	static const __u8 poll2[] =
+		{0x67, 0x02, 0x68, 0x71, 0x69, 0x72, 0x72, 0xa9,
+		 0x73, 0x02, 0x73, 0x02, 0x60, 0x14};
+	static const __u8 poll3[] =
+		{0x87, 0x3f, 0x88, 0x20, 0x89, 0x2d};
+	static const __u8 poll4[] =
+		{0xa6, 0x0a, 0xea, 0xcf, 0xbe, 0x26, 0xb1, 0x5f,
+		 0xa1, 0xb1, 0xda, 0x6b, 0xdb, 0x98, 0xdf, 0x0c,
+		 0xc2, 0x80, 0xc3, 0x10};
+
+	if (sd->sensor != SENSOR_TAS5130A) {
+		PDEBUG(D_STREAM, "[Sensor requires polling]");
+		reg_w_buf(gspca_dev, poll1, sizeof poll1);
+		reg_w_buf(gspca_dev, poll2, sizeof poll2);
+		reg_w_buf(gspca_dev, poll3, sizeof poll3);
+		reg_w_buf(gspca_dev, poll4, sizeof poll4);
+	}
+}
+
 static int sd_start(struct gspca_dev *gspca_dev)
 {
 	struct sd *sd = (struct sd *) gspca_dev;
 	int i, mode;
-	static const __u8 t1[] = { 0x66, 0x00, 0xa8, 0xe8 };
 	__u8 t2[] = { 0x07, 0x00, 0x0d, 0x60, 0x0e, 0x80 };
 	static const __u8 t3[] =
 		{ 0xb3, 0x07, 0xb4, 0x00, 0xb5, 0x88, 0xb6, 0x02, 0xb7, 0x06,
 		  0xb8, 0x00, 0xb9, 0xe7, 0xba, 0x01 };
-	static const __u8 t4[] = { 0x0b, 0x04, 0x0a, 0x40 };
 
 	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode]. priv;
 	switch (mode) {
@@ -788,13 +857,17 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	} else {
 		om6802_sensor_init(gspca_dev);
 	}
-	/* just in case and to keep sync with logs  (for mine) */
-	reg_w_buf(gspca_dev, t1, sizeof t1);
-	reg_w_buf(gspca_dev, t2, sizeof t2);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].data4,
+			sizeof sensor_data[sd->sensor].data4);
 	reg_r(gspca_dev, 0x0012);
+	reg_w_buf(gspca_dev, t2, sizeof t2);
 	reg_w_buf(gspca_dev, t3, sizeof t3);
 	reg_w(gspca_dev, 0x0013);
-	reg_w_buf(gspca_dev, t4, sizeof t4);
+	msleep(15);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].stream,
+			sizeof sensor_data[sd->sensor].stream);
+	poll_sensor(gspca_dev);
+
 	/* restart on each start, just in case, sometimes regs goes wrong
 	 * when using controls from app */
 	setbrightness(gspca_dev);
-- 
GitLab


From eb229b22fbe8b76c6531b1caca3800f9e1f705d5 Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 17 Oct 2008 05:28:40 -0300
Subject: [PATCH 1107/2224] V4L/DVB (9294): gspca: Add a stop sequence in t613.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/gspca/t613.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index b2823700bd9..eac245d7a75 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -876,6 +876,19 @@ static int sd_start(struct gspca_dev *gspca_dev)
 	return 0;
 }
 
+static void sd_stopN(struct gspca_dev *gspca_dev)
+{
+	struct sd *sd = (struct sd *) gspca_dev;
+
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].stream,
+			sizeof sensor_data[sd->sensor].stream);
+	msleep(20);
+	reg_w_buf(gspca_dev, sensor_data[sd->sensor].stream,
+			sizeof sensor_data[sd->sensor].stream);
+	msleep(20);
+	reg_w(gspca_dev, 0x0309);
+}
+
 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 			struct gspca_frame *frame,	/* target */
 			__u8 *data,			/* isoc packet */
@@ -1125,6 +1138,7 @@ static const struct sd_desc sd_desc = {
 	.config = sd_config,
 	.init = sd_init,
 	.start = sd_start,
+	.stopN = sd_stopN,
 	.pkt_scan = sd_pkt_scan,
 	.querymenu = sd_querymenu,
 };
-- 
GitLab


From d4305c68cc30b66a71ea05297e6c0663feccad65 Mon Sep 17 00:00:00 2001
From: "Igor M. Liplianin" <liplianin@me.by>
Date: Fri, 17 Oct 2008 13:45:55 -0300
Subject: [PATCH 1108/2224] V4L/DVB (9296): Patch to remove warning message
 during cx88-dvb compilation

Remove warning message during cx88-dvb compilation.
Also fixes double underline in function and struct names.

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/dm1105/dm1105.c    | 12 ++++++++++++
 drivers/media/dvb/dvb-usb/dw2102.c   | 12 ++++++++++++
 drivers/media/dvb/frontends/z0194a.h | 16 ++--------------
 drivers/media/video/cx88/cx88-dvb.c  |  4 ++--
 4 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/drivers/media/dvb/dm1105/dm1105.c b/drivers/media/dvb/dm1105/dm1105.c
index f7321448b4b..14e627ef646 100644
--- a/drivers/media/dvb/dm1105/dm1105.c
+++ b/drivers/media/dvb/dm1105/dm1105.c
@@ -595,6 +595,18 @@ static void dm1105dvb_hw_exit(struct dm1105dvb *dm1105dvb)
 	dm1105dvb_dma_unmap(dm1105dvb);
 }
 
+static struct stv0299_config sharp_z0194a_config = {
+	.demod_address = 0x68,
+	.inittab = sharp_z0194a_inittab,
+	.mclk = 88000000UL,
+	.invert = 1,
+	.skip_reinit = 0,
+	.lock_output = STV0299_LOCKOUTPUT_1,
+	.volt13_op0_op1 = STV0299_VOLT13_OP1,
+	.min_delay_ms = 100,
+	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
+};
+
 static struct stv0288_config earda_config = {
 	.demod_address = 0x68,
 	.min_delay_ms = 100,
diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c
index ca53df61caa..6286fbbe7fb 100644
--- a/drivers/media/dvb/dvb-usb/dw2102.c
+++ b/drivers/media/dvb/dvb-usb/dw2102.c
@@ -422,6 +422,18 @@ static int dw210x_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
 	return 0;
 }
 
+static struct stv0299_config sharp_z0194a_config = {
+	.demod_address = 0x68,
+	.inittab = sharp_z0194a_inittab,
+	.mclk = 88000000UL,
+	.invert = 1,
+	.skip_reinit = 0,
+	.lock_output = STV0299_LOCKOUTPUT_1,
+	.volt13_op0_op1 = STV0299_VOLT13_OP1,
+	.min_delay_ms = 100,
+	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
+};
+
 static struct cx24116_config dw2104_config = {
 	.demod_address = 0x55,
 	.mpg_clk_pos_pol = 0x01,
diff --git a/drivers/media/dvb/frontends/z0194a.h b/drivers/media/dvb/frontends/z0194a.h
index d2876d2e176..07f3fc0998f 100644
--- a/drivers/media/dvb/frontends/z0194a.h
+++ b/drivers/media/dvb/frontends/z0194a.h
@@ -12,7 +12,7 @@
 #ifndef Z0194A
 #define Z0194A
 
-static int sharp_z0194a__set_symbol_rate(struct dvb_frontend *fe,
+static int sharp_z0194a_set_symbol_rate(struct dvb_frontend *fe,
 					 u32 srate, u32 ratio)
 {
 	u8 aclk = 0;
@@ -40,7 +40,7 @@ static int sharp_z0194a__set_symbol_rate(struct dvb_frontend *fe,
 	return 0;
 }
 
-static u8 sharp_z0194a__inittab[] = {
+static u8 sharp_z0194a_inittab[] = {
 	0x01, 0x15,
 	0x02, 0x00,
 	0x03, 0x00,
@@ -82,16 +82,4 @@ static u8 sharp_z0194a__inittab[] = {
 	0xff, 0xff
 };
 
-static struct stv0299_config sharp_z0194a_config = {
-	.demod_address = 0x68,
-	.inittab = sharp_z0194a__inittab,
-	.mclk = 88000000UL,
-	.invert = 1,
-	.skip_reinit = 0,
-	.lock_output = STV0299_LOCKOUTPUT_1,
-	.volt13_op0_op1 = STV0299_VOLT13_OP1,
-	.min_delay_ms = 100,
-	.set_symbol_rate = sharp_z0194a__set_symbol_rate,
-};
-
 #endif
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index d13bd140dc7..6968ab0181a 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -575,14 +575,14 @@ static struct cx24116_config tevii_s460_config = {
 
 static struct stv0299_config tevii_tuner_sharp_config = {
 	.demod_address = 0x68,
-	.inittab = sharp_z0194a__inittab,
+	.inittab = sharp_z0194a_inittab,
 	.mclk = 88000000UL,
 	.invert = 1,
 	.skip_reinit = 0,
 	.lock_output = 1,
 	.volt13_op0_op1 = STV0299_VOLT13_OP1,
 	.min_delay_ms = 100,
-	.set_symbol_rate = sharp_z0194a__set_symbol_rate,
+	.set_symbol_rate = sharp_z0194a_set_symbol_rate,
 	.set_ts_params = cx24116_set_ts_param,
 };
 
-- 
GitLab


From a9894a4a3c7fb53258d46dafe9dd4f45369fd9dd Mon Sep 17 00:00:00 2001
From: Tony Luck <tony.luck@intel.com>
Date: Fri, 17 Oct 2008 13:47:53 -0700
Subject: [PATCH 1109/2224] [IA64] Fix annoying IA64_TR_ALLOC_MAX message.

Madison cpus support 64 TR registers.  Increase IA64_TR_ALLOC_MAX
to 64.  Also fixup the messages that get printed when this limit
is exceeded.  Repeating for every cpu is too noisy.

Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 arch/ia64/include/asm/kregs.h | 2 +-
 arch/ia64/mm/tlb.c            | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/include/asm/kregs.h b/arch/ia64/include/asm/kregs.h
index aefcdfee7f2..39e65f6639f 100644
--- a/arch/ia64/include/asm/kregs.h
+++ b/arch/ia64/include/asm/kregs.h
@@ -32,7 +32,7 @@
 #define IA64_TR_CURRENT_STACK	1	/* dtr1: maps kernel's memory- & register-stacks */
 
 #define IA64_TR_ALLOC_BASE	2 	/* itr&dtr: Base of dynamic TR resource*/
-#define IA64_TR_ALLOC_MAX	32 	/* Max number for dynamic use*/
+#define IA64_TR_ALLOC_MAX	64 	/* Max number for dynamic use*/
 
 /* Processor status register bits: */
 #define IA64_PSR_BE_BIT		1
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index 8caf42471f0..bd9818a36b4 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -362,9 +362,13 @@ ia64_tlb_init (void)
 		per_cpu(ia64_tr_num, cpu) =
 				vm_info_1.pal_vm_info_1_s.max_dtr_entry+1;
 	if (per_cpu(ia64_tr_num, cpu) > IA64_TR_ALLOC_MAX) {
+		static int justonce = 1;
 		per_cpu(ia64_tr_num, cpu) = IA64_TR_ALLOC_MAX;
-		printk(KERN_DEBUG "TR register number exceeds IA64_TR_ALLOC_MAX!"
-			"IA64_TR_ALLOC_MAX should be extended\n");
+		if (justonce) {
+			justonce = 0;
+			printk(KERN_DEBUG "TR register number exceeds "
+			       "IA64_TR_ALLOC_MAX!\n");
+		}
 	}
 }
 
-- 
GitLab


From ddb7f4cb819fb6b9df261ce4c80b3c6f4852620d Mon Sep 17 00:00:00 2001
From: "Carlos R. Mafra" <crmafra2@gmail.com>
Date: Wed, 30 Jul 2008 12:29:37 -0700
Subject: [PATCH 1110/2224] drm: remove #define's for non-linux systems

There is no point in considering FreeBSD et al.  in the linux kernel
source code.

Signed-off-by: Carlos R. Mafra <crmafra@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 include/drm/drm.h | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/include/drm/drm.h b/include/drm/drm.h
index 38d3c6b8276..0864c692094 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -36,7 +36,6 @@
 #ifndef _DRM_H_
 #define _DRM_H_
 
-#if defined(__linux__)
 #if defined(__KERNEL__)
 #endif
 #include <asm/ioctl.h>		/* For _IO* macros */
@@ -46,22 +45,6 @@
 #define DRM_IOC_WRITE		_IOC_WRITE
 #define DRM_IOC_READWRITE	_IOC_READ|_IOC_WRITE
 #define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
-#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
-#if defined(__FreeBSD__) && defined(IN_MODULE)
-/* Prevent name collision when including sys/ioccom.h */
-#undef ioctl
-#include <sys/ioccom.h>
-#define ioctl(a,b,c)		xf86ioctl(a,b,c)
-#else
-#include <sys/ioccom.h>
-#endif				/* __FreeBSD__ && xf86ioctl */
-#define DRM_IOCTL_NR(n)		((n) & 0xff)
-#define DRM_IOC_VOID		IOC_VOID
-#define DRM_IOC_READ		IOC_OUT
-#define DRM_IOC_WRITE		IOC_IN
-#define DRM_IOC_READWRITE	IOC_INOUT
-#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
-#endif
 
 #define DRM_MAJOR       226
 #define DRM_MAX_MINOR   15
-- 
GitLab


From 6bb9e4bff5c6fd908d907222108ef5650d77972f Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Wed, 30 Jul 2008 12:29:37 -0700
Subject: [PATCH 1111/2224] SiS DRM: fix the memory allocator if the SIS FB is
 built as a module

Fix the SIS DRM memory allocator if the SIS FB built as a module.  The SIS DRM
code initialises the mm allocation hooks, but _only_ if the SIS FB is not
built as a module because it depends on CONFIG_FB_SIS, and that's unset if the
SIS FB is not built in.  It must check CONFIG_FB_SIS_MODULE as well.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/sis/sis_mm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/sis/sis_mm.c b/drivers/gpu/drm/sis/sis_mm.c
index b3878770fce..c4debfdc1aa 100644
--- a/drivers/gpu/drm/sis/sis_mm.c
+++ b/drivers/gpu/drm/sis/sis_mm.c
@@ -41,7 +41,7 @@
 #define AGP_TYPE 1
 
 
-#if defined(CONFIG_FB_SIS)
+#if defined(CONFIG_FB_SIS) || defined(CONFIG_FB_SIS_MODULE)
 /* fb management via fb device */
 
 #define SIS_MM_ALIGN_SHIFT 0
@@ -75,12 +75,12 @@ static unsigned long sis_sman_mm_offset(void *private, void *ref)
 	return ~((unsigned long)ref);
 }
 
-#else /* CONFIG_FB_SIS */
+#else /* CONFIG_FB_SIS[_MODULE] */
 
 #define SIS_MM_ALIGN_SHIFT 4
 #define SIS_MM_ALIGN_MASK ( (1 << SIS_MM_ALIGN_SHIFT) - 1)
 
-#endif /* CONFIG_FB_SIS */
+#endif /* CONFIG_FB_SIS[_MODULE] */
 
 static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
@@ -89,7 +89,7 @@ static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file
 	int ret;
 
 	mutex_lock(&dev->struct_mutex);
-#if defined(CONFIG_FB_SIS)
+#if defined(CONFIG_FB_SIS) || defined(CONFIG_FB_SIS_MODULE)
 	{
 		struct drm_sman_mm sman_mm;
 		sman_mm.private = (void *)0xFFFFFFFF;
-- 
GitLab


From 48f185d0e0f3adde81117ead074e5e6ec5548449 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Wed, 30 Jul 2008 12:29:38 -0700
Subject: [PATCH 1112/2224] SiS DRM: fix a pointer cast warning

Fix a pointer cast warning in the SIS DRM code.

This was introduced in patch ce65a44de07f73ceda1749812b75086b7add408d.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/sis/sis_mm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sis/sis_mm.c b/drivers/gpu/drm/sis/sis_mm.c
index c4debfdc1aa..af22111397d 100644
--- a/drivers/gpu/drm/sis/sis_mm.c
+++ b/drivers/gpu/drm/sis/sis_mm.c
@@ -57,7 +57,7 @@ static void *sis_sman_mm_allocate(void *private, unsigned long size,
 	if (req.size == 0)
 		return NULL;
 	else
-		return (void *)~req.offset;
+		return (void *)(unsigned long)~req.offset;
 }
 
 static void sis_sman_mm_free(void *private, void *ref)
-- 
GitLab


From 0790d5e148c0747499742a3c09ba5f1c07f9ed0d Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 30 Jul 2008 12:28:47 -0700
Subject: [PATCH 1113/2224] i915: remove settable use_mi_batchbuffer_start

The driver can know what hardware requires MI_BATCH_BUFFER vs
MI_BATCH_BUFFER_START; there's no reason to let user mode configure this.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 11 +----------
 drivers/gpu/drm/i915/i915_drv.h |  1 -
 2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9ac4720e647..ae0ba350188 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -159,13 +159,6 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 	dev_priv->current_page = 0;
 	dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
 
-	/* We are using separate values as placeholders for mechanisms for
-	 * private backbuffer/depthbuffer usage.
-	 */
-	dev_priv->use_mi_batchbuffer_start = 0;
-	if (IS_I965G(dev)) /* 965 doesn't support older method */
-		dev_priv->use_mi_batchbuffer_start = 1;
-
 	/* Allow hardware batchbuffers unless told otherwise.
 	 */
 	dev_priv->allow_batchbuffer = 1;
@@ -486,7 +479,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev,
 				return ret;
 		}
 
-		if (dev_priv->use_mi_batchbuffer_start) {
+		if (!IS_I830(dev) && !IS_845G(dev)) {
 			BEGIN_LP_RING(2);
 			if (IS_I965G(dev)) {
 				OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
@@ -697,8 +690,6 @@ static int i915_setparam(struct drm_device *dev, void *data,
 
 	switch (param->param) {
 	case I915_SETPARAM_USE_MI_BATCHBUFFER_START:
-		if (!IS_I965G(dev))
-			dev_priv->use_mi_batchbuffer_start = param->value;
 		break;
 	case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY:
 		dev_priv->tex_lru_log_granularity = param->value;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d7326d92a23..2d441d37da9 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -99,7 +99,6 @@ typedef struct drm_i915_private {
 	int front_offset;
 	int current_page;
 	int page_flipping;
-	int use_mi_batchbuffer_start;
 
 	wait_queue_head_t irq_queue;
 	atomic_t irq_received;
-- 
GitLab


From 962d4fd7273e144ae003ddb90138ae4b80567c70 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 30 Jul 2008 12:36:08 -0700
Subject: [PATCH 1114/2224] i915: Ignore X server provided mmio address

It is already correctly detected by the kernel for use in suspend/resume.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index ae0ba350188..28c812a0c63 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -121,13 +121,6 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 		return -EINVAL;
 	}
 
-	dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
-	if (!dev_priv->mmio_map) {
-		i915_dma_cleanup(dev);
-		DRM_ERROR("can not find mmio map!\n");
-		return -EINVAL;
-	}
-
 	dev_priv->sarea_priv = (drm_i915_sarea_t *)
 	    ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset);
 
@@ -194,11 +187,6 @@ static int i915_dma_resume(struct drm_device * dev)
 		return -EINVAL;
 	}
 
-	if (!dev_priv->mmio_map) {
-		DRM_ERROR("can not find mmio map!\n");
-		return -EINVAL;
-	}
-
 	if (dev_priv->ring.map.handle == NULL) {
 		DRM_ERROR("can not ioremap virtual address for"
 			  " ring buffer\n");
-- 
GitLab


From 585fb111348f7cdc30c6a1b903987612ddeafb23 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue, 29 Jul 2008 11:54:06 -0700
Subject: [PATCH 1115/2224] i915: Use more consistent names for regs, and store
 them in a separate file.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c |   32 +-
 drivers/gpu/drm/i915/i915_drv.c |   54 +-
 drivers/gpu/drm/i915/i915_drv.h |  836 +-----------------
 drivers/gpu/drm/i915/i915_irq.c |   73 +-
 drivers/gpu/drm/i915/i915_reg.h | 1405 +++++++++++++++++++++++++++++++
 5 files changed, 1508 insertions(+), 892 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_reg.h

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 28c812a0c63..4d56dfd25e0 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -40,11 +40,11 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
-	u32 last_head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+	u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
 	int i;
 
 	for (i = 0; i < 10000; i++) {
-		ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
+		ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
 		ring->space = ring->head - (ring->tail + 8);
 		if (ring->space < 0)
 			ring->space += ring->Size;
@@ -67,8 +67,8 @@ void i915_kernel_lost_context(struct drm_device * dev)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
 
-	ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-	ring->tail = I915_READ(LP_RING + RING_TAIL) & TAIL_ADDR;
+	ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+	ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
 	ring->space = ring->head - (ring->tail + 8);
 	if (ring->space < 0)
 		ring->space += ring->Size;
@@ -98,13 +98,13 @@ static int i915_dma_cleanup(struct drm_device * dev)
 		drm_pci_free(dev, dev_priv->status_page_dmah);
 		dev_priv->status_page_dmah = NULL;
 		/* Need to rewrite hardware status page */
-		I915_WRITE(0x02080, 0x1ffff000);
+		I915_WRITE(HWS_PGA, 0x1ffff000);
 	}
 
 	if (dev_priv->status_gfx_addr) {
 		dev_priv->status_gfx_addr = 0;
 		drm_core_ioremapfree(&dev_priv->hws_map, dev);
-		I915_WRITE(0x2080, 0x1ffff000);
+		I915_WRITE(HWS_PGA, 0x1ffff000);
 	}
 
 	return 0;
@@ -170,7 +170,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 		dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
 
 		memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-		I915_WRITE(0x02080, dev_priv->dma_status_page);
+		I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
 	}
 	DRM_DEBUG("Enabled hardware status page\n");
 	return 0;
@@ -201,9 +201,9 @@ static int i915_dma_resume(struct drm_device * dev)
 	DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
 
 	if (dev_priv->status_gfx_addr != 0)
-		I915_WRITE(0x02080, dev_priv->status_gfx_addr);
+		I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
 	else
-		I915_WRITE(0x02080, dev_priv->dma_status_page);
+		I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
 	DRM_DEBUG("Enabled hardware status page\n");
 
 	return 0;
@@ -402,8 +402,8 @@ static void i915_emit_breadcrumb(struct drm_device *dev)
 		dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
 
 	BEGIN_LP_RING(4);
-	OUT_RING(CMD_STORE_DWORD_IDX);
-	OUT_RING(20);
+	OUT_RING(MI_STORE_DWORD_INDEX);
+	OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT);
 	OUT_RING(dev_priv->counter);
 	OUT_RING(0);
 	ADVANCE_LP_RING();
@@ -505,7 +505,7 @@ static int i915_dispatch_flip(struct drm_device * dev)
 	i915_kernel_lost_context(dev);
 
 	BEGIN_LP_RING(2);
-	OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE);
+	OUT_RING(MI_FLUSH | MI_READ_FLUSH);
 	OUT_RING(0);
 	ADVANCE_LP_RING();
 
@@ -530,8 +530,8 @@ static int i915_dispatch_flip(struct drm_device * dev)
 	dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
 
 	BEGIN_LP_RING(4);
-	OUT_RING(CMD_STORE_DWORD_IDX);
-	OUT_RING(20);
+	OUT_RING(MI_STORE_DWORD_INDEX);
+	OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT);
 	OUT_RING(dev_priv->counter);
 	OUT_RING(0);
 	ADVANCE_LP_RING();
@@ -728,8 +728,8 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 	dev_priv->hw_status_page = dev_priv->hws_map.handle;
 
 	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-	I915_WRITE(0x02080, dev_priv->status_gfx_addr);
-	DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n",
+	I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
+	DRM_DEBUG("load hws HWS_PGA with gfx mem 0x%x\n",
 			dev_priv->status_gfx_addr);
 	DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
 	return 0;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 93aed1c38bd..6c99aab12da 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -279,13 +279,13 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 	dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE);
 	dev_priv->saveDSPASIZE = I915_READ(DSPASIZE);
 	dev_priv->saveDSPAPOS = I915_READ(DSPAPOS);
-	dev_priv->saveDSPABASE = I915_READ(DSPABASE);
+	dev_priv->saveDSPAADDR = I915_READ(DSPAADDR);
 	if (IS_I965G(dev)) {
 		dev_priv->saveDSPASURF = I915_READ(DSPASURF);
 		dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF);
 	}
 	i915_save_palette(dev, PIPE_A);
-	dev_priv->savePIPEASTAT = I915_READ(I915REG_PIPEASTAT);
+	dev_priv->savePIPEASTAT = I915_READ(PIPEASTAT);
 
 	/* Pipe & plane B info */
 	dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF);
@@ -307,13 +307,13 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 	dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE);
 	dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
 	dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
-	dev_priv->saveDSPBBASE = I915_READ(DSPBBASE);
+	dev_priv->saveDSPBADDR = I915_READ(DSPBADDR);
 	if (IS_I965GM(dev) || IS_IGD_GM(dev)) {
 		dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
 		dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
 	}
 	i915_save_palette(dev, PIPE_B);
-	dev_priv->savePIPEBSTAT = I915_READ(I915REG_PIPEBSTAT);
+	dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT);
 
 	/* CRT state */
 	dev_priv->saveADPA = I915_READ(ADPA);
@@ -328,9 +328,9 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 		dev_priv->saveLVDS = I915_READ(LVDS);
 	if (!IS_I830(dev) && !IS_845G(dev))
 		dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL);
-	dev_priv->saveLVDSPP_ON = I915_READ(LVDSPP_ON);
-	dev_priv->saveLVDSPP_OFF = I915_READ(LVDSPP_OFF);
-	dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE);
+	dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS);
+	dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS);
+	dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR);
 
 	/* FIXME: save TV & SDVO state */
 
@@ -341,19 +341,19 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 	dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
 
 	/* Interrupt state */
-	dev_priv->saveIIR = I915_READ(I915REG_INT_IDENTITY_R);
-	dev_priv->saveIER = I915_READ(I915REG_INT_ENABLE_R);
-	dev_priv->saveIMR = I915_READ(I915REG_INT_MASK_R);
+	dev_priv->saveIIR = I915_READ(IIR);
+	dev_priv->saveIER = I915_READ(IER);
+	dev_priv->saveIMR = I915_READ(IMR);
 
 	/* VGA state */
-	dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0);
-	dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1);
-	dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV);
+	dev_priv->saveVGA0 = I915_READ(VGA0);
+	dev_priv->saveVGA1 = I915_READ(VGA1);
+	dev_priv->saveVGA_PD = I915_READ(VGA_PD);
 	dev_priv->saveVGACNTRL = I915_READ(VGACNTRL);
 
 	/* Clock gating state */
 	dev_priv->saveD_STATE = I915_READ(D_STATE);
-	dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D);
+	dev_priv->saveCG_2D_DIS = I915_READ(CG_2D_DIS);
 
 	/* Cache mode state */
 	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
@@ -363,7 +363,7 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 
 	/* Scratch space */
 	for (i = 0; i < 16; i++) {
-		dev_priv->saveSWF0[i] = I915_READ(SWF0 + (i << 2));
+		dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
 		dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
 	}
 	for (i = 0; i < 3; i++)
@@ -424,7 +424,7 @@ static int i915_resume(struct drm_device *dev)
 	I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE);
 	I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS);
 	I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC);
-	I915_WRITE(DSPABASE, dev_priv->saveDSPABASE);
+	I915_WRITE(DSPAADDR, dev_priv->saveDSPAADDR);
 	I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE);
 	if (IS_I965G(dev)) {
 		I915_WRITE(DSPASURF, dev_priv->saveDSPASURF);
@@ -436,7 +436,7 @@ static int i915_resume(struct drm_device *dev)
 	i915_restore_palette(dev, PIPE_A);
 	/* Enable the plane */
 	I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR);
-	I915_WRITE(DSPABASE, I915_READ(DSPABASE));
+	I915_WRITE(DSPAADDR, I915_READ(DSPAADDR));
 
 	/* Pipe & plane B info */
 	if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
@@ -466,7 +466,7 @@ static int i915_resume(struct drm_device *dev)
 	I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE);
 	I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS);
 	I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC);
-	I915_WRITE(DSPBBASE, dev_priv->saveDSPBBASE);
+	I915_WRITE(DSPBADDR, dev_priv->saveDSPBADDR);
 	I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
 	if (IS_I965G(dev)) {
 		I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF);
@@ -478,7 +478,7 @@ static int i915_resume(struct drm_device *dev)
 	i915_restore_palette(dev, PIPE_B);
 	/* Enable the plane */
 	I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
-	I915_WRITE(DSPBBASE, I915_READ(DSPBBASE));
+	I915_WRITE(DSPBADDR, I915_READ(DSPBADDR));
 
 	/* CRT state */
 	I915_WRITE(ADPA, dev_priv->saveADPA);
@@ -493,9 +493,9 @@ static int i915_resume(struct drm_device *dev)
 
 	I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
 	I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
-	I915_WRITE(LVDSPP_ON, dev_priv->saveLVDSPP_ON);
-	I915_WRITE(LVDSPP_OFF, dev_priv->saveLVDSPP_OFF);
-	I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE);
+	I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS);
+	I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
+	I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);
 	I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
 
 	/* FIXME: restore TV & SDVO state */
@@ -508,14 +508,14 @@ static int i915_resume(struct drm_device *dev)
 
 	/* VGA state */
 	I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL);
-	I915_WRITE(VCLK_DIVISOR_VGA0, dev_priv->saveVCLK_DIVISOR_VGA0);
-	I915_WRITE(VCLK_DIVISOR_VGA1, dev_priv->saveVCLK_DIVISOR_VGA1);
-	I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV);
+	I915_WRITE(VGA0, dev_priv->saveVGA0);
+	I915_WRITE(VGA1, dev_priv->saveVGA1);
+	I915_WRITE(VGA_PD, dev_priv->saveVGA_PD);
 	udelay(150);
 
 	/* Clock gating state */
 	I915_WRITE (D_STATE, dev_priv->saveD_STATE);
-	I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D);
+	I915_WRITE(CG_2D_DIS, dev_priv->saveCG_2D_DIS);
 
 	/* Cache mode state */
 	I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
@@ -524,7 +524,7 @@ static int i915_resume(struct drm_device *dev)
 	I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000);
 
 	for (i = 0; i < 16; i++) {
-		I915_WRITE(SWF0 + (i << 2), dev_priv->saveSWF0[i]);
+		I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]);
 		I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
 	}
 	for (i = 0; i < 3; i++)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2d441d37da9..afb51a390e1 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -30,6 +30,8 @@
 #ifndef _I915_DRV_H_
 #define _I915_DRV_H_
 
+#include "i915_reg.h"
+
 /* General customization:
  */
 
@@ -138,7 +140,7 @@ typedef struct drm_i915_private {
 	u32 saveDSPASTRIDE;
 	u32 saveDSPASIZE;
 	u32 saveDSPAPOS;
-	u32 saveDSPABASE;
+	u32 saveDSPAADDR;
 	u32 saveDSPASURF;
 	u32 saveDSPATILEOFF;
 	u32 savePFIT_PGM_RATIOS;
@@ -159,24 +161,24 @@ typedef struct drm_i915_private {
 	u32 saveDSPBSTRIDE;
 	u32 saveDSPBSIZE;
 	u32 saveDSPBPOS;
-	u32 saveDSPBBASE;
+	u32 saveDSPBADDR;
 	u32 saveDSPBSURF;
 	u32 saveDSPBTILEOFF;
-	u32 saveVCLK_DIVISOR_VGA0;
-	u32 saveVCLK_DIVISOR_VGA1;
-	u32 saveVCLK_POST_DIV;
+	u32 saveVGA0;
+	u32 saveVGA1;
+	u32 saveVGA_PD;
 	u32 saveVGACNTRL;
 	u32 saveADPA;
 	u32 saveLVDS;
-	u32 saveLVDSPP_ON;
-	u32 saveLVDSPP_OFF;
+	u32 savePP_ON_DELAYS;
+	u32 savePP_OFF_DELAYS;
 	u32 saveDVOA;
 	u32 saveDVOB;
 	u32 saveDVOC;
 	u32 savePP_ON;
 	u32 savePP_OFF;
 	u32 savePP_CONTROL;
-	u32 savePP_CYCLE;
+	u32 savePP_DIVISOR;
 	u32 savePFIT_CONTROL;
 	u32 save_palette_a[256];
 	u32 save_palette_b[256];
@@ -189,7 +191,7 @@ typedef struct drm_i915_private {
 	u32 saveIMR;
 	u32 saveCACHE_MODE_0;
 	u32 saveD_STATE;
-	u32 saveDSPCLK_GATE_D;
+	u32 saveCG_2D_DIS;
 	u32 saveMI_ARB_STATE;
 	u32 saveSWF0[16];
 	u32 saveSWF1[16];
@@ -283,816 +285,26 @@ extern void i915_mem_release(struct drm_device * dev,
 	if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring);	\
 	dev_priv->ring.tail = outring;					\
 	dev_priv->ring.space -= outcount * 4;				\
-	I915_WRITE(LP_RING + RING_TAIL, outring);			\
+	I915_WRITE(PRB0_TAIL, outring);			\
 } while(0)
 
-extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
-
-/* Extended config space */
-#define LBB 0xf4
-
-/* VGA stuff */
-
-#define VGA_ST01_MDA 0x3ba
-#define VGA_ST01_CGA 0x3da
-
-#define VGA_MSR_WRITE 0x3c2
-#define VGA_MSR_READ 0x3cc
-#define   VGA_MSR_MEM_EN (1<<1)
-#define   VGA_MSR_CGA_MODE (1<<0)
-
-#define VGA_SR_INDEX 0x3c4
-#define VGA_SR_DATA 0x3c5
-
-#define VGA_AR_INDEX 0x3c0
-#define   VGA_AR_VID_EN (1<<5)
-#define VGA_AR_DATA_WRITE 0x3c0
-#define VGA_AR_DATA_READ 0x3c1
-
-#define VGA_GR_INDEX 0x3ce
-#define VGA_GR_DATA 0x3cf
-/* GR05 */
-#define   VGA_GR_MEM_READ_MODE_SHIFT 3
-#define     VGA_GR_MEM_READ_MODE_PLANE 1
-/* GR06 */
-#define   VGA_GR_MEM_MODE_MASK 0xc
-#define   VGA_GR_MEM_MODE_SHIFT 2
-#define   VGA_GR_MEM_A0000_AFFFF 0
-#define   VGA_GR_MEM_A0000_BFFFF 1
-#define   VGA_GR_MEM_B0000_B7FFF 2
-#define   VGA_GR_MEM_B0000_BFFFF 3
-
-#define VGA_DACMASK 0x3c6
-#define VGA_DACRX 0x3c7
-#define VGA_DACWX 0x3c8
-#define VGA_DACDATA 0x3c9
-
-#define VGA_CR_INDEX_MDA 0x3b4
-#define VGA_CR_DATA_MDA 0x3b5
-#define VGA_CR_INDEX_CGA 0x3d4
-#define VGA_CR_DATA_CGA 0x3d5
-
-#define GFX_OP_USER_INTERRUPT		((0<<29)|(2<<23))
-#define GFX_OP_BREAKPOINT_INTERRUPT	((0<<29)|(1<<23))
-#define CMD_REPORT_HEAD			(7<<23)
-#define CMD_STORE_DWORD_IDX		((0x21<<23) | 0x1)
-#define CMD_OP_BATCH_BUFFER  ((0x0<<29)|(0x30<<23)|0x1)
-
-#define INST_PARSER_CLIENT   0x00000000
-#define INST_OP_FLUSH        0x02000000
-#define INST_FLUSH_MAP_CACHE 0x00000001
-
-#define BB1_START_ADDR_MASK   (~0x7)
-#define BB1_PROTECTED         (1<<0)
-#define BB1_UNPROTECTED       (0<<0)
-#define BB2_END_ADDR_MASK     (~0x7)
-
-/* Framebuffer compression */
-#define FBC_CFB_BASE		0x03200 /* 4k page aligned */
-#define FBC_LL_BASE		0x03204 /* 4k page aligned */
-#define FBC_CONTROL		0x03208
-#define   FBC_CTL_EN		(1<<31)
-#define   FBC_CTL_PERIODIC	(1<<30)
-#define   FBC_CTL_INTERVAL_SHIFT (16)
-#define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
-#define   FBC_CTL_STRIDE_SHIFT	(5)
-#define   FBC_CTL_FENCENO	(1<<0)
-#define FBC_COMMAND		0x0320c
-#define   FBC_CMD_COMPRESS	(1<<0)
-#define FBC_STATUS		0x03210
-#define   FBC_STAT_COMPRESSING	(1<<31)
-#define   FBC_STAT_COMPRESSED	(1<<30)
-#define   FBC_STAT_MODIFIED	(1<<29)
-#define   FBC_STAT_CURRENT_LINE	(1<<0)
-#define FBC_CONTROL2		0x03214
-#define   FBC_CTL_FENCE_DBL	(0<<4)
-#define   FBC_CTL_IDLE_IMM	(0<<2)
-#define   FBC_CTL_IDLE_FULL	(1<<2)
-#define   FBC_CTL_IDLE_LINE	(2<<2)
-#define   FBC_CTL_IDLE_DEBUG	(3<<2)
-#define   FBC_CTL_CPU_FENCE	(1<<1)
-#define   FBC_CTL_PLANEA	(0<<0)
-#define   FBC_CTL_PLANEB	(1<<0)
-#define FBC_FENCE_OFF		0x0321b
-
-#define FBC_LL_SIZE		(1536)
-#define FBC_LL_PAD		(32)
-
-/* Interrupt bits:
- */
-#define USER_INT_FLAG    (1<<1)
-#define VSYNC_PIPEB_FLAG (1<<5)
-#define VSYNC_PIPEA_FLAG (1<<7)
-#define HWB_OOM_FLAG     (1<<13) /* binner out of memory */
-
-#define I915REG_HWSTAM		0x02098
-#define I915REG_INT_IDENTITY_R	0x020a4
-#define I915REG_INT_MASK_R	0x020a8
-#define I915REG_INT_ENABLE_R	0x020a0
-
-#define I915REG_PIPEASTAT	0x70024
-#define I915REG_PIPEBSTAT	0x71024
-
-#define I915_VBLANK_INTERRUPT_ENABLE	(1UL<<17)
-#define I915_VBLANK_CLEAR		(1UL<<1)
-
-#define SRX_INDEX		0x3c4
-#define SRX_DATA		0x3c5
-#define SR01			1
-#define SR01_SCREEN_OFF		(1<<5)
-
-#define PPCR			0x61204
-#define PPCR_ON			(1<<0)
-
-#define DVOB			0x61140
-#define DVOB_ON			(1<<31)
-#define DVOC			0x61160
-#define DVOC_ON			(1<<31)
-#define LVDS			0x61180
-#define LVDS_ON			(1<<31)
-
-#define ADPA			0x61100
-#define ADPA_DPMS_MASK		(~(3<<10))
-#define ADPA_DPMS_ON		(0<<10)
-#define ADPA_DPMS_SUSPEND	(1<<10)
-#define ADPA_DPMS_STANDBY	(2<<10)
-#define ADPA_DPMS_OFF		(3<<10)
-
-#define NOPID                   0x2094
-#define LP_RING			0x2030
-#define HP_RING			0x2040
-/* The binner has its own ring buffer:
- */
-#define HWB_RING		0x2400
-
-#define RING_TAIL		0x00
-#define TAIL_ADDR		0x001FFFF8
-#define RING_HEAD		0x04
-#define HEAD_WRAP_COUNT		0xFFE00000
-#define HEAD_WRAP_ONE		0x00200000
-#define HEAD_ADDR		0x001FFFFC
-#define RING_START		0x08
-#define START_ADDR		0x0xFFFFF000
-#define RING_LEN		0x0C
-#define RING_NR_PAGES		0x001FF000
-#define RING_REPORT_MASK	0x00000006
-#define RING_REPORT_64K		0x00000002
-#define RING_REPORT_128K	0x00000004
-#define RING_NO_REPORT		0x00000000
-#define RING_VALID_MASK		0x00000001
-#define RING_VALID		0x00000001
-#define RING_INVALID		0x00000000
-
-/* Instruction parser error reg:
- */
-#define IPEIR			0x2088
-
-/* Scratch pad debug 0 reg:
- */
-#define SCPD0			0x209c
-
-/* Error status reg:
- */
-#define ESR			0x20b8
-
-/* Secondary DMA fetch address debug reg:
- */
-#define DMA_FADD_S		0x20d4
-
-/* Memory Interface Arbitration State
- */
-#define MI_ARB_STATE		0x20e4
-
-/* Cache mode 0 reg.
- *  - Manipulating render cache behaviour is central
- *    to the concept of zone rendering, tuning this reg can help avoid
- *    unnecessary render cache reads and even writes (for z/stencil)
- *    at beginning and end of scene.
- *
- * - To change a bit, write to this reg with a mask bit set and the
- * bit of interest either set or cleared.  EG: (BIT<<16) | BIT to set.
- */
-#define Cache_Mode_0		0x2120
-#define CACHE_MODE_0		0x2120
-#define CM0_MASK_SHIFT          16
-#define CM0_IZ_OPT_DISABLE      (1<<6)
-#define CM0_ZR_OPT_DISABLE      (1<<5)
-#define CM0_DEPTH_EVICT_DISABLE (1<<4)
-#define CM0_COLOR_EVICT_DISABLE (1<<3)
-#define CM0_DEPTH_WRITE_DISABLE (1<<1)
-#define CM0_RC_OP_FLUSH_DISABLE (1<<0)
-
-
-/* Graphics flush control.  A CPU write flushes the GWB of all writes.
- * The data is discarded.
- */
-#define GFX_FLSH_CNTL		0x2170
-
-/* Binner control.  Defines the location of the bin pointer list:
- */
-#define BINCTL			0x2420
-#define BC_MASK			(1 << 9)
-
-/* Binned scene info.
- */
-#define BINSCENE		0x2428
-#define BS_OP_LOAD		(1 << 8)
-#define BS_MASK			(1 << 22)
-
-/* Bin command parser debug reg:
- */
-#define BCPD			0x2480
-
-/* Bin memory control debug reg:
- */
-#define BMCD			0x2484
-
-/* Bin data cache debug reg:
- */
-#define BDCD			0x2488
-
-/* Binner pointer cache debug reg:
- */
-#define BPCD			0x248c
-
-/* Binner scratch pad debug reg:
- */
-#define BINSKPD			0x24f0
-
-/* HWB scratch pad debug reg:
- */
-#define HWBSKPD			0x24f4
-
-/* Binner memory pool reg:
- */
-#define BMP_BUFFER		0x2430
-#define BMP_PAGE_SIZE_4K	(0 << 10)
-#define BMP_BUFFER_SIZE_SHIFT	1
-#define BMP_ENABLE		(1 << 0)
-
-/* Get/put memory from the binner memory pool:
- */
-#define BMP_GET			0x2438
-#define BMP_PUT			0x2440
-#define BMP_OFFSET_SHIFT	5
-
-/* 3D state packets:
- */
-#define GFX_OP_RASTER_RULES    ((0x3<<29)|(0x7<<24))
-
-#define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
-#define SC_UPDATE_SCISSOR       (0x1<<1)
-#define SC_ENABLE_MASK          (0x1<<0)
-#define SC_ENABLE               (0x1<<0)
-
-#define GFX_OP_LOAD_INDIRECT   ((0x3<<29)|(0x1d<<24)|(0x7<<16))
-
-#define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
-#define SCI_YMIN_MASK      (0xffff<<16)
-#define SCI_XMIN_MASK      (0xffff<<0)
-#define SCI_YMAX_MASK      (0xffff<<16)
-#define SCI_XMAX_MASK      (0xffff<<0)
-
-#define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
-#define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
-#define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
-#define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
-#define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
-#define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
-#define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
-
-#define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
-
-#define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
-#define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
-#define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
-#define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
-#define XY_SRC_COPY_BLT_SRC_TILED	(1<<15)
-#define XY_SRC_COPY_BLT_DST_TILED	(1<<11)
-
-#define MI_BATCH_BUFFER		((0x30<<23)|1)
-#define MI_BATCH_BUFFER_START	(0x31<<23)
-#define MI_BATCH_BUFFER_END	(0xA<<23)
-#define MI_BATCH_NON_SECURE	(1)
-#define MI_BATCH_NON_SECURE_I965 (1<<8)
-
-#define MI_WAIT_FOR_EVENT       ((0x3<<23))
-#define MI_WAIT_FOR_PLANE_B_FLIP      (1<<6)
-#define MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
-#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
-
-#define MI_LOAD_SCAN_LINES_INCL  ((0x12<<23))
-
-#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
-#define ASYNC_FLIP                (1<<22)
-#define DISPLAY_PLANE_A           (0<<20)
-#define DISPLAY_PLANE_B           (1<<20)
-
-/* Display regs */
-#define DSPACNTR                0x70180
-#define DSPBCNTR                0x71180
-#define DISPPLANE_SEL_PIPE_MASK                 (1<<24)
-
-/* Define the region of interest for the binner:
- */
-#define CMD_OP_BIN_CONTROL	 ((0x3<<29)|(0x1d<<24)|(0x84<<16)|4)
-
-#define CMD_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
-
-#define CMD_MI_FLUSH         (0x04 << 23)
-#define MI_NO_WRITE_FLUSH    (1 << 2)
-#define MI_READ_FLUSH        (1 << 0)
-#define MI_EXE_FLUSH         (1 << 1)
-#define MI_END_SCENE         (1 << 4) /* flush binner and incr scene count */
-#define MI_SCENE_COUNT       (1 << 3) /* just increment scene count */
-
-#define BREADCRUMB_BITS 31
-#define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1)
-
-#define READ_BREADCRUMB(dev_priv)  (((volatile u32*)(dev_priv->hw_status_page))[5])
-#define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
-
-#define BLC_PWM_CTL		0x61254
-#define BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
-
-#define BLC_PWM_CTL2		0x61250
 /**
- * This is the most significant 15 bits of the number of backlight cycles in a
- * complete cycle of the modulated backlight control.
+ * Reads a dword out of the status page, which is written to from the command
+ * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
+ * MI_STORE_DATA_IMM.
  *
- * The actual value is this field multiplied by two.
- */
-#define BACKLIGHT_MODULATION_FREQ_MASK		(0x7fff << 17)
-#define BLM_LEGACY_MODE				(1 << 16)
-/**
- * This is the number of cycles out of the backlight modulation cycle for which
- * the backlight is on.
+ * The following dwords have a reserved meaning:
+ * 0: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
+ * 4: ring 0 head pointer
+ * 5: ring 1 head pointer (915-class)
+ * 6: ring 2 head pointer (915-class)
  *
- * This field must be no greater than the number of cycles in the complete
- * backlight modulation cycle.
- */
-#define BACKLIGHT_DUTY_CYCLE_SHIFT		(0)
-#define BACKLIGHT_DUTY_CYCLE_MASK		(0xffff)
-
-#define I915_GCFGC			0xf0
-#define I915_LOW_FREQUENCY_ENABLE		(1 << 7)
-#define I915_DISPLAY_CLOCK_190_200_MHZ		(0 << 4)
-#define I915_DISPLAY_CLOCK_333_MHZ		(4 << 4)
-#define I915_DISPLAY_CLOCK_MASK			(7 << 4)
-
-#define I855_HPLLCC			0xc0
-#define I855_CLOCK_CONTROL_MASK			(3 << 0)
-#define I855_CLOCK_133_200			(0 << 0)
-#define I855_CLOCK_100_200			(1 << 0)
-#define I855_CLOCK_100_133			(2 << 0)
-#define I855_CLOCK_166_250			(3 << 0)
-
-/* p317, 319
+ * The area from dword 0x10 to 0x3ff is available for driver usage.
  */
-#define VCLK2_VCO_M        0x6008 /* treat as 16 bit? (includes msbs) */
-#define VCLK2_VCO_N        0x600a
-#define VCLK2_VCO_DIV_SEL  0x6012
-
-#define VCLK_DIVISOR_VGA0   0x6000
-#define VCLK_DIVISOR_VGA1   0x6004
-#define VCLK_POST_DIV	    0x6010
-/** Selects a post divisor of 4 instead of 2. */
-# define VGA1_PD_P2_DIV_4	(1 << 15)
-/** Overrides the p2 post divisor field */
-# define VGA1_PD_P1_DIV_2	(1 << 13)
-# define VGA1_PD_P1_SHIFT	8
-/** P1 value is 2 greater than this field */
-# define VGA1_PD_P1_MASK	(0x1f << 8)
-/** Selects a post divisor of 4 instead of 2. */
-# define VGA0_PD_P2_DIV_4	(1 << 7)
-/** Overrides the p2 post divisor field */
-# define VGA0_PD_P1_DIV_2	(1 << 5)
-# define VGA0_PD_P1_SHIFT	0
-/** P1 value is 2 greater than this field */
-# define VGA0_PD_P1_MASK	(0x1f << 0)
-
-/* PCI D state control register */
-#define D_STATE		0x6104
-#define DSPCLK_GATE_D	0x6200
-
-/* I830 CRTC registers */
-#define HTOTAL_A	0x60000
-#define HBLANK_A	0x60004
-#define HSYNC_A		0x60008
-#define VTOTAL_A	0x6000c
-#define VBLANK_A	0x60010
-#define VSYNC_A		0x60014
-#define PIPEASRC	0x6001c
-#define BCLRPAT_A	0x60020
-#define VSYNCSHIFT_A	0x60028
-
-#define HTOTAL_B	0x61000
-#define HBLANK_B	0x61004
-#define HSYNC_B		0x61008
-#define VTOTAL_B	0x6100c
-#define VBLANK_B	0x61010
-#define VSYNC_B		0x61014
-#define PIPEBSRC	0x6101c
-#define BCLRPAT_B	0x61020
-#define VSYNCSHIFT_B	0x61028
-
-#define PP_STATUS	0x61200
-# define PP_ON					(1 << 31)
-/**
- * Indicates that all dependencies of the panel are on:
- *
- * - PLL enabled
- * - pipe enabled
- * - LVDS/DVOB/DVOC on
- */
-# define PP_READY				(1 << 30)
-# define PP_SEQUENCE_NONE			(0 << 28)
-# define PP_SEQUENCE_ON				(1 << 28)
-# define PP_SEQUENCE_OFF			(2 << 28)
-# define PP_SEQUENCE_MASK			0x30000000
-#define PP_CONTROL	0x61204
-# define POWER_TARGET_ON			(1 << 0)
-
-#define LVDSPP_ON       0x61208
-#define LVDSPP_OFF      0x6120c
-#define PP_CYCLE        0x61210
-
-#define PFIT_CONTROL	0x61230
-# define PFIT_ENABLE				(1 << 31)
-# define PFIT_PIPE_MASK				(3 << 29)
-# define PFIT_PIPE_SHIFT			29
-# define VERT_INTERP_DISABLE			(0 << 10)
-# define VERT_INTERP_BILINEAR			(1 << 10)
-# define VERT_INTERP_MASK			(3 << 10)
-# define VERT_AUTO_SCALE			(1 << 9)
-# define HORIZ_INTERP_DISABLE			(0 << 6)
-# define HORIZ_INTERP_BILINEAR			(1 << 6)
-# define HORIZ_INTERP_MASK			(3 << 6)
-# define HORIZ_AUTO_SCALE			(1 << 5)
-# define PANEL_8TO6_DITHER_ENABLE		(1 << 3)
-
-#define PFIT_PGM_RATIOS	0x61234
-# define PFIT_VERT_SCALE_MASK			0xfff00000
-# define PFIT_HORIZ_SCALE_MASK			0x0000fff0
-
-#define PFIT_AUTO_RATIOS	0x61238
-
-
-#define DPLL_A		0x06014
-#define DPLL_B		0x06018
-# define DPLL_VCO_ENABLE			(1 << 31)
-# define DPLL_DVO_HIGH_SPEED			(1 << 30)
-# define DPLL_SYNCLOCK_ENABLE			(1 << 29)
-# define DPLL_VGA_MODE_DIS			(1 << 28)
-# define DPLLB_MODE_DAC_SERIAL			(1 << 26) /* i915 */
-# define DPLLB_MODE_LVDS			(2 << 26) /* i915 */
-# define DPLL_MODE_MASK				(3 << 26)
-# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10	(0 << 24) /* i915 */
-# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5		(1 << 24) /* i915 */
-# define DPLLB_LVDS_P2_CLOCK_DIV_14		(0 << 24) /* i915 */
-# define DPLLB_LVDS_P2_CLOCK_DIV_7		(1 << 24) /* i915 */
-# define DPLL_P2_CLOCK_DIV_MASK			0x03000000 /* i915 */
-# define DPLL_FPA01_P1_POST_DIV_MASK		0x00ff0000 /* i915 */
-/**
- *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
- * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
- */
-# define DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
-/**
- * The i830 generation, in LVDS mode, defines P1 as the bit number set within
- * this field (only one bit may be set).
- */
-# define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
-# define DPLL_FPA01_P1_POST_DIV_SHIFT		16
-# define PLL_P2_DIVIDE_BY_4			(1 << 23) /* i830, required in DVO non-gang */
-# define PLL_P1_DIVIDE_BY_TWO			(1 << 21) /* i830 */
-# define PLL_REF_INPUT_DREFCLK			(0 << 13)
-# define PLL_REF_INPUT_TVCLKINA			(1 << 13) /* i830 */
-# define PLL_REF_INPUT_TVCLKINBC		(2 << 13) /* SDVO TVCLKIN */
-# define PLLB_REF_INPUT_SPREADSPECTRUMIN	(3 << 13)
-# define PLL_REF_INPUT_MASK			(3 << 13)
-# define PLL_LOAD_PULSE_PHASE_SHIFT		9
-/*
- * Parallel to Serial Load Pulse phase selection.
- * Selects the phase for the 10X DPLL clock for the PCIe
- * digital display port. The range is 4 to 13; 10 or more
- * is just a flip delay. The default is 6
- */
-# define PLL_LOAD_PULSE_PHASE_MASK		(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
-# define DISPLAY_RATE_SELECT_FPA1		(1 << 8)
-
-/**
- * SDVO multiplier for 945G/GM. Not used on 965.
- *
- * \sa DPLL_MD_UDI_MULTIPLIER_MASK
- */
-# define SDVO_MULTIPLIER_MASK			0x000000ff
-# define SDVO_MULTIPLIER_SHIFT_HIRES		4
-# define SDVO_MULTIPLIER_SHIFT_VGA		0
-
-/** @defgroup DPLL_MD
- * @{
- */
-/** Pipe A SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_A_MD		0x0601c
-/** Pipe B SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_B_MD		0x06020
-/**
- * UDI pixel divider, controlling how many pixels are stuffed into a packet.
- *
- * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
- */
-# define DPLL_MD_UDI_DIVIDER_MASK		0x3f000000
-# define DPLL_MD_UDI_DIVIDER_SHIFT		24
-/** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
-# define DPLL_MD_VGA_UDI_DIVIDER_MASK		0x003f0000
-# define DPLL_MD_VGA_UDI_DIVIDER_SHIFT		16
-/**
- * SDVO/UDI pixel multiplier.
- *
- * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
- * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
- * modes, the bus rate would be below the limits, so SDVO allows for stuffing
- * dummy bytes in the datastream at an increased clock rate, with both sides of
- * the link knowing how many bytes are fill.
- *
- * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
- * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
- * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
- * through an SDVO command.
- *
- * This register field has values of multiplication factor minus 1, with
- * a maximum multiplier of 5 for SDVO.
- */
-# define DPLL_MD_UDI_MULTIPLIER_MASK		0x00003f00
-# define DPLL_MD_UDI_MULTIPLIER_SHIFT		8
-/** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
- * This best be set to the default value (3) or the CRT won't work. No,
- * I don't entirely understand what this does...
- */
-# define DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
-# define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT	0
-/** @} */
-
-#define DPLL_TEST		0x606c
-# define DPLLB_TEST_SDVO_DIV_1			(0 << 22)
-# define DPLLB_TEST_SDVO_DIV_2			(1 << 22)
-# define DPLLB_TEST_SDVO_DIV_4			(2 << 22)
-# define DPLLB_TEST_SDVO_DIV_MASK		(3 << 22)
-# define DPLLB_TEST_N_BYPASS			(1 << 19)
-# define DPLLB_TEST_M_BYPASS			(1 << 18)
-# define DPLLB_INPUT_BUFFER_ENABLE		(1 << 16)
-# define DPLLA_TEST_N_BYPASS			(1 << 3)
-# define DPLLA_TEST_M_BYPASS			(1 << 2)
-# define DPLLA_INPUT_BUFFER_ENABLE		(1 << 0)
-
-#define ADPA			0x61100
-#define ADPA_DAC_ENABLE		(1<<31)
-#define ADPA_DAC_DISABLE	0
-#define ADPA_PIPE_SELECT_MASK	(1<<30)
-#define ADPA_PIPE_A_SELECT	0
-#define ADPA_PIPE_B_SELECT	(1<<30)
-#define ADPA_USE_VGA_HVPOLARITY (1<<15)
-#define ADPA_SETS_HVPOLARITY	0
-#define ADPA_VSYNC_CNTL_DISABLE (1<<11)
-#define ADPA_VSYNC_CNTL_ENABLE	0
-#define ADPA_HSYNC_CNTL_DISABLE (1<<10)
-#define ADPA_HSYNC_CNTL_ENABLE	0
-#define ADPA_VSYNC_ACTIVE_HIGH	(1<<4)
-#define ADPA_VSYNC_ACTIVE_LOW	0
-#define ADPA_HSYNC_ACTIVE_HIGH	(1<<3)
-#define ADPA_HSYNC_ACTIVE_LOW	0
-
-#define FPA0		0x06040
-#define FPA1		0x06044
-#define FPB0		0x06048
-#define FPB1		0x0604c
-# define FP_N_DIV_MASK				0x003f0000
-# define FP_N_DIV_SHIFT				16
-# define FP_M1_DIV_MASK				0x00003f00
-# define FP_M1_DIV_SHIFT			8
-# define FP_M2_DIV_MASK				0x0000003f
-# define FP_M2_DIV_SHIFT			0
-
-
-#define PORT_HOTPLUG_EN		0x61110
-# define SDVOB_HOTPLUG_INT_EN			(1 << 26)
-# define SDVOC_HOTPLUG_INT_EN			(1 << 25)
-# define TV_HOTPLUG_INT_EN			(1 << 18)
-# define CRT_HOTPLUG_INT_EN			(1 << 9)
-# define CRT_HOTPLUG_FORCE_DETECT		(1 << 3)
-
-#define PORT_HOTPLUG_STAT	0x61114
-# define CRT_HOTPLUG_INT_STATUS			(1 << 11)
-# define TV_HOTPLUG_INT_STATUS			(1 << 10)
-# define CRT_HOTPLUG_MONITOR_MASK		(3 << 8)
-# define CRT_HOTPLUG_MONITOR_COLOR		(3 << 8)
-# define CRT_HOTPLUG_MONITOR_MONO		(2 << 8)
-# define CRT_HOTPLUG_MONITOR_NONE		(0 << 8)
-# define SDVOC_HOTPLUG_INT_STATUS		(1 << 7)
-# define SDVOB_HOTPLUG_INT_STATUS		(1 << 6)
-
-#define SDVOB			0x61140
-#define SDVOC			0x61160
-#define SDVO_ENABLE				(1 << 31)
-#define SDVO_PIPE_B_SELECT			(1 << 30)
-#define SDVO_STALL_SELECT			(1 << 29)
-#define SDVO_INTERRUPT_ENABLE			(1 << 26)
-/**
- * 915G/GM SDVO pixel multiplier.
- *
- * Programmed value is multiplier - 1, up to 5x.
- *
- * \sa DPLL_MD_UDI_MULTIPLIER_MASK
- */
-#define SDVO_PORT_MULTIPLY_MASK			(7 << 23)
-#define SDVO_PORT_MULTIPLY_SHIFT		23
-#define SDVO_PHASE_SELECT_MASK			(15 << 19)
-#define SDVO_PHASE_SELECT_DEFAULT		(6 << 19)
-#define SDVO_CLOCK_OUTPUT_INVERT		(1 << 18)
-#define SDVOC_GANG_MODE				(1 << 16)
-#define SDVO_BORDER_ENABLE			(1 << 7)
-#define SDVOB_PCIE_CONCURRENCY			(1 << 3)
-#define SDVO_DETECTED				(1 << 2)
-/* Bits to be preserved when writing */
-#define SDVOB_PRESERVE_MASK			((1 << 17) | (1 << 16) | (1 << 14))
-#define SDVOC_PRESERVE_MASK			(1 << 17)
-
-/** @defgroup LVDS
- * @{
- */
-/**
- * This register controls the LVDS output enable, pipe selection, and data
- * format selection.
- *
- * All of the clock/data pairs are force powered down by power sequencing.
- */
-#define LVDS			0x61180
-/**
- * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
- * the DPLL semantics change when the LVDS is assigned to that pipe.
- */
-# define LVDS_PORT_EN			(1 << 31)
-/** Selects pipe B for LVDS data.  Must be set on pre-965. */
-# define LVDS_PIPEB_SELECT		(1 << 30)
-
-/**
- * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
- * pixel.
- */
-# define LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
-# define LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
-# define LVDS_A0A2_CLKA_POWER_UP	(3 << 8)
-/**
- * Controls the A3 data pair, which contains the additional LSBs for 24 bit
- * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
- * on.
- */
-# define LVDS_A3_POWER_MASK		(3 << 6)
-# define LVDS_A3_POWER_DOWN		(0 << 6)
-# define LVDS_A3_POWER_UP		(3 << 6)
-/**
- * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
- * is set.
- */
-# define LVDS_CLKB_POWER_MASK		(3 << 4)
-# define LVDS_CLKB_POWER_DOWN		(0 << 4)
-# define LVDS_CLKB_POWER_UP		(3 << 4)
-
-/**
- * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
- * setting for whether we are in dual-channel mode.  The B3 pair will
- * additionally only be powered up when LVDS_A3_POWER_UP is set.
- */
-# define LVDS_B0B3_POWER_MASK		(3 << 2)
-# define LVDS_B0B3_POWER_DOWN		(0 << 2)
-# define LVDS_B0B3_POWER_UP		(3 << 2)
-
-#define PIPEACONF 0x70008
-#define PIPEACONF_ENABLE	(1<<31)
-#define PIPEACONF_DISABLE	0
-#define PIPEACONF_DOUBLE_WIDE	(1<<30)
-#define I965_PIPECONF_ACTIVE	(1<<30)
-#define PIPEACONF_SINGLE_WIDE	0
-#define PIPEACONF_PIPE_UNLOCKED 0
-#define PIPEACONF_PIPE_LOCKED	(1<<25)
-#define PIPEACONF_PALETTE	0
-#define PIPEACONF_GAMMA		(1<<24)
-#define PIPECONF_FORCE_BORDER	(1<<25)
-#define PIPECONF_PROGRESSIVE	(0 << 21)
-#define PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
-#define PIPECONF_INTERLACE_FIELD_0_ONLY		(7 << 21)
-
-#define DSPARB	  0x70030
-#define DSPARB_CSTART_MASK	(0x7f << 7)
-#define DSPARB_CSTART_SHIFT	7
-#define DSPARB_BSTART_MASK	(0x7f)		 
-#define DSPARB_BSTART_SHIFT	0
-
-#define PIPEBCONF 0x71008
-#define PIPEBCONF_ENABLE	(1<<31)
-#define PIPEBCONF_DISABLE	0
-#define PIPEBCONF_DOUBLE_WIDE	(1<<30)
-#define PIPEBCONF_DISABLE	0
-#define PIPEBCONF_GAMMA		(1<<24)
-#define PIPEBCONF_PALETTE	0
-
-#define PIPEBGCMAXRED		0x71010
-#define PIPEBGCMAXGREEN		0x71014
-#define PIPEBGCMAXBLUE		0x71018
-#define PIPEBSTAT		0x71024
-#define PIPEBFRAMEHIGH		0x71040
-#define PIPEBFRAMEPIXEL		0x71044
-
-#define DSPACNTR		0x70180
-#define DSPBCNTR		0x71180
-#define DISPLAY_PLANE_ENABLE			(1<<31)
-#define DISPLAY_PLANE_DISABLE			0
-#define DISPPLANE_GAMMA_ENABLE			(1<<30)
-#define DISPPLANE_GAMMA_DISABLE			0
-#define DISPPLANE_PIXFORMAT_MASK		(0xf<<26)
-#define DISPPLANE_8BPP				(0x2<<26)
-#define DISPPLANE_15_16BPP			(0x4<<26)
-#define DISPPLANE_16BPP				(0x5<<26)
-#define DISPPLANE_32BPP_NO_ALPHA		(0x6<<26)
-#define DISPPLANE_32BPP				(0x7<<26)
-#define DISPPLANE_STEREO_ENABLE			(1<<25)
-#define DISPPLANE_STEREO_DISABLE		0
-#define DISPPLANE_SEL_PIPE_MASK			(1<<24)
-#define DISPPLANE_SEL_PIPE_A			0
-#define DISPPLANE_SEL_PIPE_B			(1<<24)
-#define DISPPLANE_SRC_KEY_ENABLE		(1<<22)
-#define DISPPLANE_SRC_KEY_DISABLE		0
-#define DISPPLANE_LINE_DOUBLE			(1<<20)
-#define DISPPLANE_NO_LINE_DOUBLE		0
-#define DISPPLANE_STEREO_POLARITY_FIRST		0
-#define DISPPLANE_STEREO_POLARITY_SECOND	(1<<18)
-/* plane B only */
-#define DISPPLANE_ALPHA_TRANS_ENABLE		(1<<15)
-#define DISPPLANE_ALPHA_TRANS_DISABLE		0
-#define DISPPLANE_SPRITE_ABOVE_DISPLAYA		0
-#define DISPPLANE_SPRITE_ABOVE_OVERLAY		(1)
-
-#define DSPABASE		0x70184
-#define DSPASTRIDE		0x70188
-
-#define DSPBBASE		0x71184
-#define DSPBADDR		DSPBBASE
-#define DSPBSTRIDE		0x71188
-
-#define DSPAKEYVAL		0x70194
-#define DSPAKEYMASK		0x70198
-
-#define DSPAPOS			0x7018C /* reserved */
-#define DSPASIZE		0x70190
-#define DSPBPOS			0x7118C
-#define DSPBSIZE		0x71190
-
-#define DSPASURF		0x7019C
-#define DSPATILEOFF		0x701A4
-
-#define DSPBSURF		0x7119C
-#define DSPBTILEOFF		0x711A4
-
-#define VGACNTRL		0x71400
-# define VGA_DISP_DISABLE			(1 << 31)
-# define VGA_2X_MODE				(1 << 30)
-# define VGA_PIPE_B_SELECT			(1 << 29)
-
-/*
- * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
- * of video memory available to the BIOS in SWF1.
- */
-
-#define SWF0			0x71410
-
-/*
- * 855 scratch registers.
- */
-#define SWF10			0x70410
-
-#define SWF30			0x72414
-
-/*
- * Overlay registers.  These are overlay registers accessed via MMIO.
- * Those loaded via the overlay register page are defined in i830_video.c.
- */
-#define OVADD			0x30000
-
-#define DOVSTA			0x30008
-#define OC_BUF			(0x3<<20)
+#define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
+#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
 
-#define OGAMC5			0x30010
-#define OGAMC4			0x30014
-#define OGAMC3			0x30018
-#define OGAMC2			0x3001c
-#define OGAMC1			0x30020
-#define OGAMC0			0x30024
-/*
- * Palette registers
- */
-#define PALETTE_A		0x0a000
-#define PALETTE_B		0x0a800
+extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 
 #define IS_I830(dev) ((dev)->pci_device == 0x3577)
 #define IS_845G(dev) ((dev)->pci_device == 0x2562)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index df036118b8b..4a2de789734 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -31,10 +31,6 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
-#define USER_INT_FLAG (1<<1)
-#define VSYNC_PIPEB_FLAG (1<<5)
-#define VSYNC_PIPEA_FLAG (1<<7)
-
 #define MAX_NOPID ((u32)~0)
 
 /**
@@ -236,40 +232,43 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 	u16 temp;
 	u32 pipea_stats, pipeb_stats;
 
-	pipea_stats = I915_READ(I915REG_PIPEASTAT);
-	pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
+	pipea_stats = I915_READ(PIPEASTAT);
+	pipeb_stats = I915_READ(PIPEBSTAT);
 
-	temp = I915_READ16(I915REG_INT_IDENTITY_R);
+	temp = I915_READ16(IIR);
 
-	temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG);
+	temp &= (I915_USER_INTERRUPT |
+		 I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT |
+		 I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT);
 
 	DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
 
 	if (temp == 0)
 		return IRQ_NONE;
 
-	I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
-	(void) I915_READ16(I915REG_INT_IDENTITY_R);
+	I915_WRITE16(IIR, temp);
+	(void) I915_READ16(IIR);
 	DRM_READMEMORYBARRIER();
 
 	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
-	if (temp & USER_INT_FLAG)
+	if (temp & I915_USER_INTERRUPT)
 		DRM_WAKEUP(&dev_priv->irq_queue);
 
-	if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
+	if (temp & (I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT |
+		    I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)) {
 		int vblank_pipe = dev_priv->vblank_pipe;
 
 		if ((vblank_pipe &
 		     (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B))
 		    == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) {
-			if (temp & VSYNC_PIPEA_FLAG)
+			if (temp & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT)
 				atomic_inc(&dev->vbl_received);
-			if (temp & VSYNC_PIPEB_FLAG)
+			if (temp & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
 				atomic_inc(&dev->vbl_received2);
-		} else if (((temp & VSYNC_PIPEA_FLAG) &&
+		} else if (((temp & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT) &&
 			    (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) ||
-			   ((temp & VSYNC_PIPEB_FLAG) &&
+			   ((temp & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT) &&
 			    (vblank_pipe & DRM_I915_VBLANK_PIPE_B)))
 			atomic_inc(&dev->vbl_received);
 
@@ -278,12 +277,12 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 
 		if (dev_priv->swaps_pending > 0)
 			drm_locked_tasklet(dev, i915_vblank_tasklet);
-		I915_WRITE(I915REG_PIPEASTAT,
+		I915_WRITE(PIPEASTAT,
 			pipea_stats|I915_VBLANK_INTERRUPT_ENABLE|
-			I915_VBLANK_CLEAR);
-		I915_WRITE(I915REG_PIPEBSTAT,
+			PIPE_VBLANK_INTERRUPT_STATUS);
+		I915_WRITE(PIPEBSTAT,
 			pipeb_stats|I915_VBLANK_INTERRUPT_ENABLE|
-			I915_VBLANK_CLEAR);
+			PIPE_VBLANK_INTERRUPT_STATUS);
 	}
 
 	return IRQ_HANDLED;
@@ -304,12 +303,12 @@ static int i915_emit_irq(struct drm_device * dev)
 		dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
 
 	BEGIN_LP_RING(6);
-	OUT_RING(CMD_STORE_DWORD_IDX);
-	OUT_RING(20);
+	OUT_RING(MI_STORE_DWORD_INDEX);
+	OUT_RING(5 << MI_STORE_DWORD_INDEX_SHIFT);
 	OUT_RING(dev_priv->counter);
 	OUT_RING(0);
 	OUT_RING(0);
-	OUT_RING(GFX_OP_USER_INTERRUPT);
+	OUT_RING(MI_USER_INTERRUPT);
 	ADVANCE_LP_RING();
 
 	return dev_priv->counter;
@@ -421,11 +420,11 @@ static void i915_enable_interrupt (struct drm_device *dev)
 
 	flag = 0;
 	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
-		flag |= VSYNC_PIPEA_FLAG;
+		flag |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
 	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
-		flag |= VSYNC_PIPEB_FLAG;
+		flag |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
 
-	I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag);
+	I915_WRITE16(IER, I915_USER_INTERRUPT | flag);
 }
 
 /* Set the vblank monitor pipe
@@ -465,11 +464,11 @@ int i915_vblank_pipe_get(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	flag = I915_READ(I915REG_INT_ENABLE_R);
+	flag = I915_READ(IER);
 	pipe->pipe = 0;
-	if (flag & VSYNC_PIPEA_FLAG)
+	if (flag & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT)
 		pipe->pipe |= DRM_I915_VBLANK_PIPE_A;
-	if (flag & VSYNC_PIPEB_FLAG)
+	if (flag & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
 		pipe->pipe |= DRM_I915_VBLANK_PIPE_B;
 
 	return 0;
@@ -587,9 +586,9 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-	I915_WRITE16(I915REG_HWSTAM, 0xfffe);
-	I915_WRITE16(I915REG_INT_MASK_R, 0x0);
-	I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+	I915_WRITE16(HWSTAM, 0xfffe);
+	I915_WRITE16(IMR, 0x0);
+	I915_WRITE16(IER, 0x0);
 }
 
 void i915_driver_irq_postinstall(struct drm_device * dev)
@@ -614,10 +613,10 @@ void i915_driver_irq_uninstall(struct drm_device * dev)
 	if (!dev_priv)
 		return;
 
-	I915_WRITE16(I915REG_HWSTAM, 0xffff);
-	I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
-	I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
+	I915_WRITE16(HWSTAM, 0xffff);
+	I915_WRITE16(IMR, 0xffff);
+	I915_WRITE16(IER, 0x0);
 
-	temp = I915_READ16(I915REG_INT_IDENTITY_R);
-	I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+	temp = I915_READ16(IIR);
+	I915_WRITE16(IIR, temp);
 }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
new file mode 100644
index 00000000000..477c64e6ba2
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -0,0 +1,1405 @@
+/* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _I915_REG_H_
+#define _I915_REG_H_
+
+/* MCH MMIO space */
+/** 915-945 and GM965 MCH register controlling DRAM channel access */
+#define DCC		0x200
+#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL		(0 << 0)
+#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC	(1 << 0)
+#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED	(2 << 0)
+#define DCC_ADDRESSING_MODE_MASK			(3 << 0)
+#define DCC_CHANNEL_XOR_DISABLE				(1 << 10)
+
+/** 965 MCH register controlling DRAM channel configuration */
+#define CHDECMISC		0x111
+#define CHDECMISC_FLEXMEMORY		(1 << 1)
+
+/*
+ * The Bridge device's PCI config space has information about the
+ * fb aperture size and the amount of pre-reserved memory.
+ */
+#define INTEL_GMCH_CTRL		0x52
+#define INTEL_GMCH_ENABLED	0x4
+#define INTEL_GMCH_MEM_MASK	0x1
+#define INTEL_GMCH_MEM_64M	0x1
+#define INTEL_GMCH_MEM_128M	0
+
+#define INTEL_855_GMCH_GMS_MASK		(0x7 << 4)
+#define INTEL_855_GMCH_GMS_DISABLED	(0x0 << 4)
+#define INTEL_855_GMCH_GMS_STOLEN_1M	(0x1 << 4)
+#define INTEL_855_GMCH_GMS_STOLEN_4M	(0x2 << 4)
+#define INTEL_855_GMCH_GMS_STOLEN_8M	(0x3 << 4)
+#define INTEL_855_GMCH_GMS_STOLEN_16M	(0x4 << 4)
+#define INTEL_855_GMCH_GMS_STOLEN_32M	(0x5 << 4)
+
+#define INTEL_915G_GMCH_GMS_STOLEN_48M	(0x6 << 4)
+#define INTEL_915G_GMCH_GMS_STOLEN_64M	(0x7 << 4)
+
+/* PCI config space */
+
+#define HPLLCC	0xc0 /* 855 only */
+#define   GC_CLOCK_CONTROL_MASK		(3 << 0)
+#define   GC_CLOCK_133_200		(0 << 0)
+#define   GC_CLOCK_100_200		(1 << 0)
+#define   GC_CLOCK_100_133		(2 << 0)
+#define   GC_CLOCK_166_250		(3 << 0)
+#define GCFGC	0xf0 /* 915+ only */
+#define   GC_LOW_FREQUENCY_ENABLE	(1 << 7)
+#define   GC_DISPLAY_CLOCK_190_200_MHZ	(0 << 4)
+#define   GC_DISPLAY_CLOCK_333_MHZ	(4 << 4)
+#define   GC_DISPLAY_CLOCK_MASK		(7 << 4)
+#define LBB	0xf4
+
+/* VGA stuff */
+
+#define VGA_ST01_MDA 0x3ba
+#define VGA_ST01_CGA 0x3da
+
+#define VGA_MSR_WRITE 0x3c2
+#define VGA_MSR_READ 0x3cc
+#define   VGA_MSR_MEM_EN (1<<1)
+#define   VGA_MSR_CGA_MODE (1<<0)
+
+#define VGA_SR_INDEX 0x3c4
+#define VGA_SR_DATA 0x3c5
+
+#define VGA_AR_INDEX 0x3c0
+#define   VGA_AR_VID_EN (1<<5)
+#define VGA_AR_DATA_WRITE 0x3c0
+#define VGA_AR_DATA_READ 0x3c1
+
+#define VGA_GR_INDEX 0x3ce
+#define VGA_GR_DATA 0x3cf
+/* GR05 */
+#define   VGA_GR_MEM_READ_MODE_SHIFT 3
+#define     VGA_GR_MEM_READ_MODE_PLANE 1
+/* GR06 */
+#define   VGA_GR_MEM_MODE_MASK 0xc
+#define   VGA_GR_MEM_MODE_SHIFT 2
+#define   VGA_GR_MEM_A0000_AFFFF 0
+#define   VGA_GR_MEM_A0000_BFFFF 1
+#define   VGA_GR_MEM_B0000_B7FFF 2
+#define   VGA_GR_MEM_B0000_BFFFF 3
+
+#define VGA_DACMASK 0x3c6
+#define VGA_DACRX 0x3c7
+#define VGA_DACWX 0x3c8
+#define VGA_DACDATA 0x3c9
+
+#define VGA_CR_INDEX_MDA 0x3b4
+#define VGA_CR_DATA_MDA 0x3b5
+#define VGA_CR_INDEX_CGA 0x3d4
+#define VGA_CR_DATA_CGA 0x3d5
+
+/*
+ * Memory interface instructions used by the kernel
+ */
+#define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags))
+
+#define MI_NOOP			MI_INSTR(0, 0)
+#define MI_USER_INTERRUPT	MI_INSTR(0x02, 0)
+#define MI_WAIT_FOR_EVENT       MI_INSTR(0x03, 0)
+#define   MI_WAIT_FOR_PLANE_B_FLIP      (1<<6)
+#define   MI_WAIT_FOR_PLANE_A_FLIP      (1<<2)
+#define   MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
+#define MI_FLUSH		MI_INSTR(0x04, 0)
+#define   MI_READ_FLUSH		(1 << 0)
+#define   MI_EXE_FLUSH		(1 << 1)
+#define   MI_NO_WRITE_FLUSH	(1 << 2)
+#define   MI_SCENE_COUNT	(1 << 3) /* just increment scene count */
+#define   MI_END_SCENE		(1 << 4) /* flush binner and incr scene count */
+#define MI_BATCH_BUFFER_END	MI_INSTR(0x0a, 0)
+#define MI_REPORT_HEAD		MI_INSTR(0x07, 0)
+#define MI_LOAD_SCAN_LINES_INCL MI_INSTR(0x12, 0)
+#define MI_STORE_DWORD_IMM	MI_INSTR(0x20, 1)
+#define   MI_MEM_VIRTUAL	(1 << 22) /* 965+ only */
+#define MI_STORE_DWORD_INDEX	MI_INSTR(0x21, 1)
+#define   MI_STORE_DWORD_INDEX_SHIFT 2
+#define MI_LOAD_REGISTER_IMM	MI_INSTR(0x22, 1)
+#define MI_BATCH_BUFFER		MI_INSTR(0x30, 1)
+#define   MI_BATCH_NON_SECURE	(1)
+#define   MI_BATCH_NON_SECURE_I965 (1<<8)
+#define MI_BATCH_BUFFER_START	MI_INSTR(0x31, 0)
+
+/*
+ * 3D instructions used by the kernel
+ */
+#define GFX_INSTR(opcode, flags) ((0x3 << 29) | ((opcode) << 24) | (flags))
+
+#define GFX_OP_RASTER_RULES    ((0x3<<29)|(0x7<<24))
+#define GFX_OP_SCISSOR         ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define   SC_UPDATE_SCISSOR       (0x1<<1)
+#define   SC_ENABLE_MASK          (0x1<<0)
+#define   SC_ENABLE               (0x1<<0)
+#define GFX_OP_LOAD_INDIRECT   ((0x3<<29)|(0x1d<<24)|(0x7<<16))
+#define GFX_OP_SCISSOR_INFO    ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
+#define   SCI_YMIN_MASK      (0xffff<<16)
+#define   SCI_XMIN_MASK      (0xffff<<0)
+#define   SCI_YMAX_MASK      (0xffff<<16)
+#define   SCI_XMAX_MASK      (0xffff<<0)
+#define GFX_OP_SCISSOR_ENABLE	 ((0x3<<29)|(0x1c<<24)|(0x10<<19))
+#define GFX_OP_SCISSOR_RECT	 ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
+#define GFX_OP_COLOR_FACTOR      ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
+#define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
+#define GFX_OP_MAP_INFO          ((0x3<<29)|(0x1d<<24)|0x4)
+#define GFX_OP_DESTBUFFER_VARS   ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
+#define GFX_OP_DESTBUFFER_INFO	 ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
+#define GFX_OP_DRAWRECT_INFO     ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
+#define GFX_OP_DRAWRECT_INFO_I965  ((0x7900<<16)|0x2)
+#define SRC_COPY_BLT_CMD                ((2<<29)|(0x43<<22)|4)
+#define XY_SRC_COPY_BLT_CMD		((2<<29)|(0x53<<22)|6)
+#define XY_MONO_SRC_COPY_IMM_BLT	((2<<29)|(0x71<<22)|5)
+#define XY_SRC_COPY_BLT_WRITE_ALPHA	(1<<21)
+#define XY_SRC_COPY_BLT_WRITE_RGB	(1<<20)
+#define   BLT_DEPTH_8			(0<<24)
+#define   BLT_DEPTH_16_565		(1<<24)
+#define   BLT_DEPTH_16_1555		(2<<24)
+#define   BLT_DEPTH_32			(3<<24)
+#define   BLT_ROP_GXCOPY		(0xcc<<16)
+#define XY_SRC_COPY_BLT_SRC_TILED	(1<<15) /* 965+ only */
+#define XY_SRC_COPY_BLT_DST_TILED	(1<<11) /* 965+ only */
+#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
+#define   ASYNC_FLIP                (1<<22)
+#define   DISPLAY_PLANE_A           (0<<20)
+#define   DISPLAY_PLANE_B           (1<<20)
+
+/*
+ * Instruction and interrupt control regs
+ */
+
+#define PRB0_TAIL	0x02030
+#define PRB0_HEAD	0x02034
+#define PRB0_START	0x02038
+#define PRB0_CTL	0x0203c
+#define   TAIL_ADDR		0x001FFFF8
+#define   HEAD_WRAP_COUNT	0xFFE00000
+#define   HEAD_WRAP_ONE		0x00200000
+#define   HEAD_ADDR		0x001FFFFC
+#define   RING_NR_PAGES		0x001FF000
+#define   RING_REPORT_MASK	0x00000006
+#define   RING_REPORT_64K	0x00000002
+#define   RING_REPORT_128K	0x00000004
+#define   RING_NO_REPORT	0x00000000
+#define   RING_VALID_MASK	0x00000001
+#define   RING_VALID		0x00000001
+#define   RING_INVALID		0x00000000
+#define PRB1_TAIL	0x02040 /* 915+ only */
+#define PRB1_HEAD	0x02044 /* 915+ only */
+#define PRB1_START	0x02048 /* 915+ only */
+#define PRB1_CTL	0x0204c /* 915+ only */
+#define ACTHD_I965	0x02074
+#define HWS_PGA		0x02080
+#define HWS_ADDRESS_MASK	0xfffff000
+#define HWS_START_ADDRESS_SHIFT	4
+#define IPEIR		0x02088
+#define NOPID		0x02094
+#define HWSTAM		0x02098
+#define SCPD0		0x0209c /* 915+ only */
+#define IER		0x020a0
+#define IIR		0x020a4
+#define IMR		0x020a8
+#define ISR		0x020ac
+#define   I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1<<18)
+#define   I915_DISPLAY_PORT_INTERRUPT			(1<<17)
+#define   I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT	(1<<15)
+#define   I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1<<14)
+#define   I915_HWB_OOM_INTERRUPT			(1<<13)
+#define   I915_SYNC_STATUS_INTERRUPT			(1<<12)
+#define   I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1<<11)
+#define   I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT	(1<<10)
+#define   I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT	(1<<9)
+#define   I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT	(1<<8)
+#define   I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT		(1<<7)
+#define   I915_DISPLAY_PIPE_A_EVENT_INTERRUPT		(1<<6)
+#define   I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT		(1<<5)
+#define   I915_DISPLAY_PIPE_B_EVENT_INTERRUPT		(1<<4)
+#define   I915_DEBUG_INTERRUPT				(1<<2)
+#define   I915_USER_INTERRUPT				(1<<1)
+#define   I915_ASLE_INTERRUPT				(1<<0)
+#define EIR		0x020b0
+#define EMR		0x020b4
+#define ESR		0x020b8
+#define INSTPM	        0x020c0
+#define ACTHD	        0x020c8
+#define FW_BLC		0x020d8
+#define FW_BLC_SELF	0x020e0 /* 915+ only */
+#define MI_ARB_STATE	0x020e4 /* 915+ only */
+#define CACHE_MODE_0	0x02120 /* 915+ only */
+#define   CM0_MASK_SHIFT          16
+#define   CM0_IZ_OPT_DISABLE      (1<<6)
+#define   CM0_ZR_OPT_DISABLE      (1<<5)
+#define   CM0_DEPTH_EVICT_DISABLE (1<<4)
+#define   CM0_COLOR_EVICT_DISABLE (1<<3)
+#define   CM0_DEPTH_WRITE_DISABLE (1<<1)
+#define   CM0_RC_OP_FLUSH_DISABLE (1<<0)
+#define GFX_FLSH_CNTL	0x02170 /* 915+ only */
+
+/*
+ * Framebuffer compression (915+ only)
+ */
+
+#define FBC_CFB_BASE		0x03200 /* 4k page aligned */
+#define FBC_LL_BASE		0x03204 /* 4k page aligned */
+#define FBC_CONTROL		0x03208
+#define   FBC_CTL_EN		(1<<31)
+#define   FBC_CTL_PERIODIC	(1<<30)
+#define   FBC_CTL_INTERVAL_SHIFT (16)
+#define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
+#define   FBC_CTL_STRIDE_SHIFT	(5)
+#define   FBC_CTL_FENCENO	(1<<0)
+#define FBC_COMMAND		0x0320c
+#define   FBC_CMD_COMPRESS	(1<<0)
+#define FBC_STATUS		0x03210
+#define   FBC_STAT_COMPRESSING	(1<<31)
+#define   FBC_STAT_COMPRESSED	(1<<30)
+#define   FBC_STAT_MODIFIED	(1<<29)
+#define   FBC_STAT_CURRENT_LINE	(1<<0)
+#define FBC_CONTROL2		0x03214
+#define   FBC_CTL_FENCE_DBL	(0<<4)
+#define   FBC_CTL_IDLE_IMM	(0<<2)
+#define   FBC_CTL_IDLE_FULL	(1<<2)
+#define   FBC_CTL_IDLE_LINE	(2<<2)
+#define   FBC_CTL_IDLE_DEBUG	(3<<2)
+#define   FBC_CTL_CPU_FENCE	(1<<1)
+#define   FBC_CTL_PLANEA	(0<<0)
+#define   FBC_CTL_PLANEB	(1<<0)
+#define FBC_FENCE_OFF		0x0321b
+
+#define FBC_LL_SIZE		(1536)
+
+/*
+ * GPIO regs
+ */
+#define GPIOA			0x5010
+#define GPIOB			0x5014
+#define GPIOC			0x5018
+#define GPIOD			0x501c
+#define GPIOE			0x5020
+#define GPIOF			0x5024
+#define GPIOG			0x5028
+#define GPIOH			0x502c
+# define GPIO_CLOCK_DIR_MASK		(1 << 0)
+# define GPIO_CLOCK_DIR_IN		(0 << 1)
+# define GPIO_CLOCK_DIR_OUT		(1 << 1)
+# define GPIO_CLOCK_VAL_MASK		(1 << 2)
+# define GPIO_CLOCK_VAL_OUT		(1 << 3)
+# define GPIO_CLOCK_VAL_IN		(1 << 4)
+# define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
+# define GPIO_DATA_DIR_MASK		(1 << 8)
+# define GPIO_DATA_DIR_IN		(0 << 9)
+# define GPIO_DATA_DIR_OUT		(1 << 9)
+# define GPIO_DATA_VAL_MASK		(1 << 10)
+# define GPIO_DATA_VAL_OUT		(1 << 11)
+# define GPIO_DATA_VAL_IN		(1 << 12)
+# define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
+
+/*
+ * Clock control & power management
+ */
+
+#define VGA0	0x6000
+#define VGA1	0x6004
+#define VGA_PD	0x6010
+#define   VGA0_PD_P2_DIV_4	(1 << 7)
+#define   VGA0_PD_P1_DIV_2	(1 << 5)
+#define   VGA0_PD_P1_SHIFT	0
+#define   VGA0_PD_P1_MASK	(0x1f << 0)
+#define   VGA1_PD_P2_DIV_4	(1 << 15)
+#define   VGA1_PD_P1_DIV_2	(1 << 13)
+#define   VGA1_PD_P1_SHIFT	8
+#define   VGA1_PD_P1_MASK	(0x1f << 8)
+#define DPLL_A	0x06014
+#define DPLL_B	0x06018
+#define   DPLL_VCO_ENABLE		(1 << 31)
+#define   DPLL_DVO_HIGH_SPEED		(1 << 30)
+#define   DPLL_SYNCLOCK_ENABLE		(1 << 29)
+#define   DPLL_VGA_MODE_DIS		(1 << 28)
+#define   DPLLB_MODE_DAC_SERIAL		(1 << 26) /* i915 */
+#define   DPLLB_MODE_LVDS		(2 << 26) /* i915 */
+#define   DPLL_MODE_MASK		(3 << 26)
+#define   DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */
+#define   DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */
+#define   DPLLB_LVDS_P2_CLOCK_DIV_14	(0 << 24) /* i915 */
+#define   DPLLB_LVDS_P2_CLOCK_DIV_7	(1 << 24) /* i915 */
+#define   DPLL_P2_CLOCK_DIV_MASK	0x03000000 /* i915 */
+#define   DPLL_FPA01_P1_POST_DIV_MASK	0x00ff0000 /* i915 */
+
+#define I915_FIFO_UNDERRUN_STATUS		(1UL<<31)
+#define I915_CRC_ERROR_ENABLE			(1UL<<29)
+#define I915_CRC_DONE_ENABLE			(1UL<<28)
+#define I915_GMBUS_EVENT_ENABLE			(1UL<<27)
+#define I915_VSYNC_INTERRUPT_ENABLE		(1UL<<25)
+#define I915_DISPLAY_LINE_COMPARE_ENABLE	(1UL<<24)
+#define I915_DPST_EVENT_ENABLE			(1UL<<23)
+#define I915_LEGACY_BLC_EVENT_ENABLE		(1UL<<22)
+#define I915_ODD_FIELD_INTERRUPT_ENABLE		(1UL<<21)
+#define I915_EVEN_FIELD_INTERRUPT_ENABLE	(1UL<<20)
+#define I915_START_VBLANK_INTERRUPT_ENABLE	(1UL<<18)	/* 965 or later */
+#define I915_VBLANK_INTERRUPT_ENABLE		(1UL<<17)
+#define I915_OVERLAY_UPDATED_ENABLE		(1UL<<16)
+#define I915_CRC_ERROR_INTERRUPT_STATUS		(1UL<<13)
+#define I915_CRC_DONE_INTERRUPT_STATUS		(1UL<<12)
+#define I915_GMBUS_INTERRUPT_STATUS		(1UL<<11)
+#define I915_VSYNC_INTERRUPT_STATUS		(1UL<<9)
+#define I915_DISPLAY_LINE_COMPARE_STATUS	(1UL<<8)
+#define I915_DPST_EVENT_STATUS			(1UL<<7)
+#define I915_LEGACY_BLC_EVENT_STATUS		(1UL<<6)
+#define I915_ODD_FIELD_INTERRUPT_STATUS		(1UL<<5)
+#define I915_EVEN_FIELD_INTERRUPT_STATUS	(1UL<<4)
+#define I915_START_VBLANK_INTERRUPT_STATUS	(1UL<<2)	/* 965 or later */
+#define I915_VBLANK_INTERRUPT_STATUS		(1UL<<1)
+#define I915_OVERLAY_UPDATED_STATUS		(1UL<<0)
+
+#define SRX_INDEX		0x3c4
+#define SRX_DATA		0x3c5
+#define SR01			1
+#define SR01_SCREEN_OFF		(1<<5)
+
+#define PPCR			0x61204
+#define PPCR_ON			(1<<0)
+
+#define DVOB			0x61140
+#define DVOB_ON			(1<<31)
+#define DVOC			0x61160
+#define DVOC_ON			(1<<31)
+#define LVDS			0x61180
+#define LVDS_ON			(1<<31)
+
+#define ADPA			0x61100
+#define ADPA_DPMS_MASK		(~(3<<10))
+#define ADPA_DPMS_ON		(0<<10)
+#define ADPA_DPMS_SUSPEND	(1<<10)
+#define ADPA_DPMS_STANDBY	(2<<10)
+#define ADPA_DPMS_OFF		(3<<10)
+
+#define RING_TAIL		0x00
+#define TAIL_ADDR		0x001FFFF8
+#define RING_HEAD		0x04
+#define HEAD_WRAP_COUNT		0xFFE00000
+#define HEAD_WRAP_ONE		0x00200000
+#define HEAD_ADDR		0x001FFFFC
+#define RING_START		0x08
+#define START_ADDR		0xFFFFF000
+#define RING_LEN		0x0C
+#define RING_NR_PAGES		0x001FF000
+#define RING_REPORT_MASK	0x00000006
+#define RING_REPORT_64K		0x00000002
+#define RING_REPORT_128K	0x00000004
+#define RING_NO_REPORT		0x00000000
+#define RING_VALID_MASK		0x00000001
+#define RING_VALID		0x00000001
+#define RING_INVALID		0x00000000
+
+/* Scratch pad debug 0 reg:
+ */
+#define   DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
+/*
+ * The i830 generation, in LVDS mode, defines P1 as the bit number set within
+ * this field (only one bit may be set).
+ */
+#define   DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
+#define   DPLL_FPA01_P1_POST_DIV_SHIFT	16
+/* i830, required in DVO non-gang */
+#define   PLL_P2_DIVIDE_BY_4		(1 << 23)
+#define   PLL_P1_DIVIDE_BY_TWO		(1 << 21) /* i830 */
+#define   PLL_REF_INPUT_DREFCLK		(0 << 13)
+#define   PLL_REF_INPUT_TVCLKINA	(1 << 13) /* i830 */
+#define   PLL_REF_INPUT_TVCLKINBC	(2 << 13) /* SDVO TVCLKIN */
+#define   PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
+#define   PLL_REF_INPUT_MASK		(3 << 13)
+#define   PLL_LOAD_PULSE_PHASE_SHIFT		9
+/*
+ * Parallel to Serial Load Pulse phase selection.
+ * Selects the phase for the 10X DPLL clock for the PCIe
+ * digital display port. The range is 4 to 13; 10 or more
+ * is just a flip delay. The default is 6
+ */
+#define   PLL_LOAD_PULSE_PHASE_MASK		(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
+#define   DISPLAY_RATE_SELECT_FPA1		(1 << 8)
+/*
+ * SDVO multiplier for 945G/GM. Not used on 965.
+ */
+#define   SDVO_MULTIPLIER_MASK			0x000000ff
+#define   SDVO_MULTIPLIER_SHIFT_HIRES		4
+#define   SDVO_MULTIPLIER_SHIFT_VGA		0
+#define DPLL_A_MD 0x0601c /* 965+ only */
+/*
+ * UDI pixel divider, controlling how many pixels are stuffed into a packet.
+ *
+ * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
+ */
+#define   DPLL_MD_UDI_DIVIDER_MASK		0x3f000000
+#define   DPLL_MD_UDI_DIVIDER_SHIFT		24
+/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
+#define   DPLL_MD_VGA_UDI_DIVIDER_MASK		0x003f0000
+#define   DPLL_MD_VGA_UDI_DIVIDER_SHIFT		16
+/*
+ * SDVO/UDI pixel multiplier.
+ *
+ * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
+ * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
+ * modes, the bus rate would be below the limits, so SDVO allows for stuffing
+ * dummy bytes in the datastream at an increased clock rate, with both sides of
+ * the link knowing how many bytes are fill.
+ *
+ * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
+ * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
+ * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
+ * through an SDVO command.
+ *
+ * This register field has values of multiplication factor minus 1, with
+ * a maximum multiplier of 5 for SDVO.
+ */
+#define   DPLL_MD_UDI_MULTIPLIER_MASK		0x00003f00
+#define   DPLL_MD_UDI_MULTIPLIER_SHIFT		8
+/*
+ * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
+ * This best be set to the default value (3) or the CRT won't work. No,
+ * I don't entirely understand what this does...
+ */
+#define   DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
+#define   DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT	0
+#define DPLL_B_MD 0x06020 /* 965+ only */
+#define FPA0	0x06040
+#define FPA1	0x06044
+#define FPB0	0x06048
+#define FPB1	0x0604c
+#define   FP_N_DIV_MASK		0x003f0000
+#define   FP_N_DIV_SHIFT		16
+#define   FP_M1_DIV_MASK	0x00003f00
+#define   FP_M1_DIV_SHIFT		 8
+#define   FP_M2_DIV_MASK	0x0000003f
+#define   FP_M2_DIV_SHIFT		 0
+#define DPLL_TEST	0x606c
+#define   DPLLB_TEST_SDVO_DIV_1		(0 << 22)
+#define   DPLLB_TEST_SDVO_DIV_2		(1 << 22)
+#define   DPLLB_TEST_SDVO_DIV_4		(2 << 22)
+#define   DPLLB_TEST_SDVO_DIV_MASK	(3 << 22)
+#define   DPLLB_TEST_N_BYPASS		(1 << 19)
+#define   DPLLB_TEST_M_BYPASS		(1 << 18)
+#define   DPLLB_INPUT_BUFFER_ENABLE	(1 << 16)
+#define   DPLLA_TEST_N_BYPASS		(1 << 3)
+#define   DPLLA_TEST_M_BYPASS		(1 << 2)
+#define   DPLLA_INPUT_BUFFER_ENABLE	(1 << 0)
+#define D_STATE		0x6104
+#define CG_2D_DIS	0x6200
+#define CG_3D_DIS	0x6204
+
+/*
+ * Palette regs
+ */
+
+#define PALETTE_A		0x0a000
+#define PALETTE_B		0x0a800
+
+/*
+ * Overlay regs
+ */
+
+#define OVADD			0x30000
+#define DOVSTA			0x30008
+#define OC_BUF			(0x3<<20)
+#define OGAMC5			0x30010
+#define OGAMC4			0x30014
+#define OGAMC3			0x30018
+#define OGAMC2			0x3001c
+#define OGAMC1			0x30020
+#define OGAMC0			0x30024
+
+/*
+ * Display engine regs
+ */
+
+/* Pipe A timing regs */
+#define HTOTAL_A	0x60000
+#define HBLANK_A	0x60004
+#define HSYNC_A		0x60008
+#define VTOTAL_A	0x6000c
+#define VBLANK_A	0x60010
+#define VSYNC_A		0x60014
+#define PIPEASRC	0x6001c
+#define BCLRPAT_A	0x60020
+
+/* Pipe B timing regs */
+#define HTOTAL_B	0x61000
+#define HBLANK_B	0x61004
+#define HSYNC_B		0x61008
+#define VTOTAL_B	0x6100c
+#define VBLANK_B	0x61010
+#define VSYNC_B		0x61014
+#define PIPEBSRC	0x6101c
+#define BCLRPAT_B	0x61020
+
+/* VGA port control */
+#define ADPA			0x61100
+#define   ADPA_DAC_ENABLE	(1<<31)
+#define   ADPA_DAC_DISABLE	0
+#define   ADPA_PIPE_SELECT_MASK	(1<<30)
+#define   ADPA_PIPE_A_SELECT	0
+#define   ADPA_PIPE_B_SELECT	(1<<30)
+#define   ADPA_USE_VGA_HVPOLARITY (1<<15)
+#define   ADPA_SETS_HVPOLARITY	0
+#define   ADPA_VSYNC_CNTL_DISABLE (1<<11)
+#define   ADPA_VSYNC_CNTL_ENABLE 0
+#define   ADPA_HSYNC_CNTL_DISABLE (1<<10)
+#define   ADPA_HSYNC_CNTL_ENABLE 0
+#define   ADPA_VSYNC_ACTIVE_HIGH (1<<4)
+#define   ADPA_VSYNC_ACTIVE_LOW	0
+#define   ADPA_HSYNC_ACTIVE_HIGH (1<<3)
+#define   ADPA_HSYNC_ACTIVE_LOW	0
+#define   ADPA_DPMS_MASK	(~(3<<10))
+#define   ADPA_DPMS_ON		(0<<10)
+#define   ADPA_DPMS_SUSPEND	(1<<10)
+#define   ADPA_DPMS_STANDBY	(2<<10)
+#define   ADPA_DPMS_OFF		(3<<10)
+
+/* Hotplug control (945+ only) */
+#define PORT_HOTPLUG_EN		0x61110
+#define   SDVOB_HOTPLUG_INT_EN			(1 << 26)
+#define   SDVOC_HOTPLUG_INT_EN			(1 << 25)
+#define   TV_HOTPLUG_INT_EN			(1 << 18)
+#define   CRT_HOTPLUG_INT_EN			(1 << 9)
+#define   CRT_HOTPLUG_FORCE_DETECT		(1 << 3)
+
+#define PORT_HOTPLUG_STAT	0x61114
+#define   CRT_HOTPLUG_INT_STATUS		(1 << 11)
+#define   TV_HOTPLUG_INT_STATUS			(1 << 10)
+#define   CRT_HOTPLUG_MONITOR_MASK		(3 << 8)
+#define   CRT_HOTPLUG_MONITOR_COLOR		(3 << 8)
+#define   CRT_HOTPLUG_MONITOR_MONO		(2 << 8)
+#define   CRT_HOTPLUG_MONITOR_NONE		(0 << 8)
+#define   SDVOC_HOTPLUG_INT_STATUS		(1 << 7)
+#define   SDVOB_HOTPLUG_INT_STATUS		(1 << 6)
+
+/* SDVO port control */
+#define SDVOB			0x61140
+#define SDVOC			0x61160
+#define   SDVO_ENABLE		(1 << 31)
+#define   SDVO_PIPE_B_SELECT	(1 << 30)
+#define   SDVO_STALL_SELECT	(1 << 29)
+#define   SDVO_INTERRUPT_ENABLE	(1 << 26)
+/**
+ * 915G/GM SDVO pixel multiplier.
+ *
+ * Programmed value is multiplier - 1, up to 5x.
+ *
+ * \sa DPLL_MD_UDI_MULTIPLIER_MASK
+ */
+#define   SDVO_PORT_MULTIPLY_MASK	(7 << 23)
+#define   SDVO_PORT_MULTIPLY_SHIFT		23
+#define   SDVO_PHASE_SELECT_MASK	(15 << 19)
+#define   SDVO_PHASE_SELECT_DEFAULT	(6 << 19)
+#define   SDVO_CLOCK_OUTPUT_INVERT	(1 << 18)
+#define   SDVOC_GANG_MODE		(1 << 16)
+#define   SDVO_BORDER_ENABLE		(1 << 7)
+#define   SDVOB_PCIE_CONCURRENCY	(1 << 3)
+#define   SDVO_DETECTED			(1 << 2)
+/* Bits to be preserved when writing */
+#define   SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14) | (1 << 26))
+#define   SDVOC_PRESERVE_MASK ((1 << 17) | (1 << 26))
+
+/* DVO port control */
+#define DVOA			0x61120
+#define DVOB			0x61140
+#define DVOC			0x61160
+#define   DVO_ENABLE			(1 << 31)
+#define   DVO_PIPE_B_SELECT		(1 << 30)
+#define   DVO_PIPE_STALL_UNUSED		(0 << 28)
+#define   DVO_PIPE_STALL		(1 << 28)
+#define   DVO_PIPE_STALL_TV		(2 << 28)
+#define   DVO_PIPE_STALL_MASK		(3 << 28)
+#define   DVO_USE_VGA_SYNC		(1 << 15)
+#define   DVO_DATA_ORDER_I740		(0 << 14)
+#define   DVO_DATA_ORDER_FP		(1 << 14)
+#define   DVO_VSYNC_DISABLE		(1 << 11)
+#define   DVO_HSYNC_DISABLE		(1 << 10)
+#define   DVO_VSYNC_TRISTATE		(1 << 9)
+#define   DVO_HSYNC_TRISTATE		(1 << 8)
+#define   DVO_BORDER_ENABLE		(1 << 7)
+#define   DVO_DATA_ORDER_GBRG		(1 << 6)
+#define   DVO_DATA_ORDER_RGGB		(0 << 6)
+#define   DVO_DATA_ORDER_GBRG_ERRATA	(0 << 6)
+#define   DVO_DATA_ORDER_RGGB_ERRATA	(1 << 6)
+#define   DVO_VSYNC_ACTIVE_HIGH		(1 << 4)
+#define   DVO_HSYNC_ACTIVE_HIGH		(1 << 3)
+#define   DVO_BLANK_ACTIVE_HIGH		(1 << 2)
+#define   DVO_OUTPUT_CSTATE_PIXELS	(1 << 1)	/* SDG only */
+#define   DVO_OUTPUT_SOURCE_SIZE_PIXELS	(1 << 0)	/* SDG only */
+#define   DVO_PRESERVE_MASK		(0x7<<24)
+#define DVOA_SRCDIM		0x61124
+#define DVOB_SRCDIM		0x61144
+#define DVOC_SRCDIM		0x61164
+#define   DVO_SRCDIM_HORIZONTAL_SHIFT	12
+#define   DVO_SRCDIM_VERTICAL_SHIFT	0
+
+/* LVDS port control */
+#define LVDS			0x61180
+/*
+ * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
+ * the DPLL semantics change when the LVDS is assigned to that pipe.
+ */
+#define   LVDS_PORT_EN			(1 << 31)
+/* Selects pipe B for LVDS data.  Must be set on pre-965. */
+#define   LVDS_PIPEB_SELECT		(1 << 30)
+/*
+ * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
+ * pixel.
+ */
+#define   LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
+#define   LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
+#define   LVDS_A0A2_CLKA_POWER_UP	(3 << 8)
+/*
+ * Controls the A3 data pair, which contains the additional LSBs for 24 bit
+ * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
+ * on.
+ */
+#define   LVDS_A3_POWER_MASK		(3 << 6)
+#define   LVDS_A3_POWER_DOWN		(0 << 6)
+#define   LVDS_A3_POWER_UP		(3 << 6)
+/*
+ * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
+ * is set.
+ */
+#define   LVDS_CLKB_POWER_MASK		(3 << 4)
+#define   LVDS_CLKB_POWER_DOWN		(0 << 4)
+#define   LVDS_CLKB_POWER_UP		(3 << 4)
+/*
+ * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
+ * setting for whether we are in dual-channel mode.  The B3 pair will
+ * additionally only be powered up when LVDS_A3_POWER_UP is set.
+ */
+#define   LVDS_B0B3_POWER_MASK		(3 << 2)
+#define   LVDS_B0B3_POWER_DOWN		(0 << 2)
+#define   LVDS_B0B3_POWER_UP		(3 << 2)
+
+/* Panel power sequencing */
+#define PP_STATUS	0x61200
+#define   PP_ON		(1 << 31)
+/*
+ * Indicates that all dependencies of the panel are on:
+ *
+ * - PLL enabled
+ * - pipe enabled
+ * - LVDS/DVOB/DVOC on
+ */
+#define   PP_READY		(1 << 30)
+#define   PP_SEQUENCE_NONE	(0 << 28)
+#define   PP_SEQUENCE_ON	(1 << 28)
+#define   PP_SEQUENCE_OFF	(2 << 28)
+#define   PP_SEQUENCE_MASK	0x30000000
+#define PP_CONTROL	0x61204
+#define   POWER_TARGET_ON	(1 << 0)
+#define PP_ON_DELAYS	0x61208
+#define PP_OFF_DELAYS	0x6120c
+#define PP_DIVISOR	0x61210
+
+/* Panel fitting */
+#define PFIT_CONTROL	0x61230
+#define   PFIT_ENABLE		(1 << 31)
+#define   PFIT_PIPE_MASK	(3 << 29)
+#define   PFIT_PIPE_SHIFT	29
+#define   VERT_INTERP_DISABLE	(0 << 10)
+#define   VERT_INTERP_BILINEAR	(1 << 10)
+#define   VERT_INTERP_MASK	(3 << 10)
+#define   VERT_AUTO_SCALE	(1 << 9)
+#define   HORIZ_INTERP_DISABLE	(0 << 6)
+#define   HORIZ_INTERP_BILINEAR	(1 << 6)
+#define   HORIZ_INTERP_MASK	(3 << 6)
+#define   HORIZ_AUTO_SCALE	(1 << 5)
+#define   PANEL_8TO6_DITHER_ENABLE (1 << 3)
+#define PFIT_PGM_RATIOS	0x61234
+#define   PFIT_VERT_SCALE_MASK			0xfff00000
+#define   PFIT_HORIZ_SCALE_MASK			0x0000fff0
+#define PFIT_AUTO_RATIOS 0x61238
+
+/* Backlight control */
+#define BLC_PWM_CTL		0x61254
+#define   BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
+#define BLC_PWM_CTL2		0x61250 /* 965+ only */
+/*
+ * This is the most significant 15 bits of the number of backlight cycles in a
+ * complete cycle of the modulated backlight control.
+ *
+ * The actual value is this field multiplied by two.
+ */
+#define   BACKLIGHT_MODULATION_FREQ_MASK		(0x7fff << 17)
+#define   BLM_LEGACY_MODE				(1 << 16)
+/*
+ * This is the number of cycles out of the backlight modulation cycle for which
+ * the backlight is on.
+ *
+ * This field must be no greater than the number of cycles in the complete
+ * backlight modulation cycle.
+ */
+#define   BACKLIGHT_DUTY_CYCLE_SHIFT		(0)
+#define   BACKLIGHT_DUTY_CYCLE_MASK		(0xffff)
+
+/* TV port control */
+#define TV_CTL			0x68000
+/** Enables the TV encoder */
+# define TV_ENC_ENABLE			(1 << 31)
+/** Sources the TV encoder input from pipe B instead of A. */
+# define TV_ENC_PIPEB_SELECT		(1 << 30)
+/** Outputs composite video (DAC A only) */
+# define TV_ENC_OUTPUT_COMPOSITE	(0 << 28)
+/** Outputs SVideo video (DAC B/C) */
+# define TV_ENC_OUTPUT_SVIDEO		(1 << 28)
+/** Outputs Component video (DAC A/B/C) */
+# define TV_ENC_OUTPUT_COMPONENT	(2 << 28)
+/** Outputs Composite and SVideo (DAC A/B/C) */
+# define TV_ENC_OUTPUT_SVIDEO_COMPOSITE	(3 << 28)
+# define TV_TRILEVEL_SYNC		(1 << 21)
+/** Enables slow sync generation (945GM only) */
+# define TV_SLOW_SYNC			(1 << 20)
+/** Selects 4x oversampling for 480i and 576p */
+# define TV_OVERSAMPLE_4X		(0 << 18)
+/** Selects 2x oversampling for 720p and 1080i */
+# define TV_OVERSAMPLE_2X		(1 << 18)
+/** Selects no oversampling for 1080p */
+# define TV_OVERSAMPLE_NONE		(2 << 18)
+/** Selects 8x oversampling */
+# define TV_OVERSAMPLE_8X		(3 << 18)
+/** Selects progressive mode rather than interlaced */
+# define TV_PROGRESSIVE			(1 << 17)
+/** Sets the colorburst to PAL mode.  Required for non-M PAL modes. */
+# define TV_PAL_BURST			(1 << 16)
+/** Field for setting delay of Y compared to C */
+# define TV_YC_SKEW_MASK		(7 << 12)
+/** Enables a fix for 480p/576p standard definition modes on the 915GM only */
+# define TV_ENC_SDP_FIX			(1 << 11)
+/**
+ * Enables a fix for the 915GM only.
+ *
+ * Not sure what it does.
+ */
+# define TV_ENC_C0_FIX			(1 << 10)
+/** Bits that must be preserved by software */
+# define TV_CTL_SAVE			((3 << 8) | (3 << 6))
+# define TV_FUSE_STATE_MASK		(3 << 4)
+/** Read-only state that reports all features enabled */
+# define TV_FUSE_STATE_ENABLED		(0 << 4)
+/** Read-only state that reports that Macrovision is disabled in hardware*/
+# define TV_FUSE_STATE_NO_MACROVISION	(1 << 4)
+/** Read-only state that reports that TV-out is disabled in hardware. */
+# define TV_FUSE_STATE_DISABLED		(2 << 4)
+/** Normal operation */
+# define TV_TEST_MODE_NORMAL		(0 << 0)
+/** Encoder test pattern 1 - combo pattern */
+# define TV_TEST_MODE_PATTERN_1		(1 << 0)
+/** Encoder test pattern 2 - full screen vertical 75% color bars */
+# define TV_TEST_MODE_PATTERN_2		(2 << 0)
+/** Encoder test pattern 3 - full screen horizontal 75% color bars */
+# define TV_TEST_MODE_PATTERN_3		(3 << 0)
+/** Encoder test pattern 4 - random noise */
+# define TV_TEST_MODE_PATTERN_4		(4 << 0)
+/** Encoder test pattern 5 - linear color ramps */
+# define TV_TEST_MODE_PATTERN_5		(5 << 0)
+/**
+ * This test mode forces the DACs to 50% of full output.
+ *
+ * This is used for load detection in combination with TVDAC_SENSE_MASK
+ */
+# define TV_TEST_MODE_MONITOR_DETECT	(7 << 0)
+# define TV_TEST_MODE_MASK		(7 << 0)
+
+#define TV_DAC			0x68004
+/**
+ * Reports that DAC state change logic has reported change (RO).
+ *
+ * This gets cleared when TV_DAC_STATE_EN is cleared
+*/
+# define TVDAC_STATE_CHG		(1 << 31)
+# define TVDAC_SENSE_MASK		(7 << 28)
+/** Reports that DAC A voltage is above the detect threshold */
+# define TVDAC_A_SENSE			(1 << 30)
+/** Reports that DAC B voltage is above the detect threshold */
+# define TVDAC_B_SENSE			(1 << 29)
+/** Reports that DAC C voltage is above the detect threshold */
+# define TVDAC_C_SENSE			(1 << 28)
+/**
+ * Enables DAC state detection logic, for load-based TV detection.
+ *
+ * The PLL of the chosen pipe (in TV_CTL) must be running, and the encoder set
+ * to off, for load detection to work.
+ */
+# define TVDAC_STATE_CHG_EN		(1 << 27)
+/** Sets the DAC A sense value to high */
+# define TVDAC_A_SENSE_CTL		(1 << 26)
+/** Sets the DAC B sense value to high */
+# define TVDAC_B_SENSE_CTL		(1 << 25)
+/** Sets the DAC C sense value to high */
+# define TVDAC_C_SENSE_CTL		(1 << 24)
+/** Overrides the ENC_ENABLE and DAC voltage levels */
+# define DAC_CTL_OVERRIDE		(1 << 7)
+/** Sets the slew rate.  Must be preserved in software */
+# define ENC_TVDAC_SLEW_FAST		(1 << 6)
+# define DAC_A_1_3_V			(0 << 4)
+# define DAC_A_1_1_V			(1 << 4)
+# define DAC_A_0_7_V			(2 << 4)
+# define DAC_A_OFF			(3 << 4)
+# define DAC_B_1_3_V			(0 << 2)
+# define DAC_B_1_1_V			(1 << 2)
+# define DAC_B_0_7_V			(2 << 2)
+# define DAC_B_OFF			(3 << 2)
+# define DAC_C_1_3_V			(0 << 0)
+# define DAC_C_1_1_V			(1 << 0)
+# define DAC_C_0_7_V			(2 << 0)
+# define DAC_C_OFF			(3 << 0)
+
+/**
+ * CSC coefficients are stored in a floating point format with 9 bits of
+ * mantissa and 2 or 3 bits of exponent.  The exponent is represented as 2**-n,
+ * where 2-bit exponents are unsigned n, and 3-bit exponents are signed n with
+ * -1 (0x3) being the only legal negative value.
+ */
+#define TV_CSC_Y		0x68010
+# define TV_RY_MASK			0x07ff0000
+# define TV_RY_SHIFT			16
+# define TV_GY_MASK			0x00000fff
+# define TV_GY_SHIFT			0
+
+#define TV_CSC_Y2		0x68014
+# define TV_BY_MASK			0x07ff0000
+# define TV_BY_SHIFT			16
+/**
+ * Y attenuation for component video.
+ *
+ * Stored in 1.9 fixed point.
+ */
+# define TV_AY_MASK			0x000003ff
+# define TV_AY_SHIFT			0
+
+#define TV_CSC_U		0x68018
+# define TV_RU_MASK			0x07ff0000
+# define TV_RU_SHIFT			16
+# define TV_GU_MASK			0x000007ff
+# define TV_GU_SHIFT			0
+
+#define TV_CSC_U2		0x6801c
+# define TV_BU_MASK			0x07ff0000
+# define TV_BU_SHIFT			16
+/**
+ * U attenuation for component video.
+ *
+ * Stored in 1.9 fixed point.
+ */
+# define TV_AU_MASK			0x000003ff
+# define TV_AU_SHIFT			0
+
+#define TV_CSC_V		0x68020
+# define TV_RV_MASK			0x0fff0000
+# define TV_RV_SHIFT			16
+# define TV_GV_MASK			0x000007ff
+# define TV_GV_SHIFT			0
+
+#define TV_CSC_V2		0x68024
+# define TV_BV_MASK			0x07ff0000
+# define TV_BV_SHIFT			16
+/**
+ * V attenuation for component video.
+ *
+ * Stored in 1.9 fixed point.
+ */
+# define TV_AV_MASK			0x000007ff
+# define TV_AV_SHIFT			0
+
+#define TV_CLR_KNOBS		0x68028
+/** 2s-complement brightness adjustment */
+# define TV_BRIGHTNESS_MASK		0xff000000
+# define TV_BRIGHTNESS_SHIFT		24
+/** Contrast adjustment, as a 2.6 unsigned floating point number */
+# define TV_CONTRAST_MASK		0x00ff0000
+# define TV_CONTRAST_SHIFT		16
+/** Saturation adjustment, as a 2.6 unsigned floating point number */
+# define TV_SATURATION_MASK		0x0000ff00
+# define TV_SATURATION_SHIFT		8
+/** Hue adjustment, as an integer phase angle in degrees */
+# define TV_HUE_MASK			0x000000ff
+# define TV_HUE_SHIFT			0
+
+#define TV_CLR_LEVEL		0x6802c
+/** Controls the DAC level for black */
+# define TV_BLACK_LEVEL_MASK		0x01ff0000
+# define TV_BLACK_LEVEL_SHIFT		16
+/** Controls the DAC level for blanking */
+# define TV_BLANK_LEVEL_MASK		0x000001ff
+# define TV_BLANK_LEVEL_SHIFT		0
+
+#define TV_H_CTL_1		0x68030
+/** Number of pixels in the hsync. */
+# define TV_HSYNC_END_MASK		0x1fff0000
+# define TV_HSYNC_END_SHIFT		16
+/** Total number of pixels minus one in the line (display and blanking). */
+# define TV_HTOTAL_MASK			0x00001fff
+# define TV_HTOTAL_SHIFT		0
+
+#define TV_H_CTL_2		0x68034
+/** Enables the colorburst (needed for non-component color) */
+# define TV_BURST_ENA			(1 << 31)
+/** Offset of the colorburst from the start of hsync, in pixels minus one. */
+# define TV_HBURST_START_SHIFT		16
+# define TV_HBURST_START_MASK		0x1fff0000
+/** Length of the colorburst */
+# define TV_HBURST_LEN_SHIFT		0
+# define TV_HBURST_LEN_MASK		0x0001fff
+
+#define TV_H_CTL_3		0x68038
+/** End of hblank, measured in pixels minus one from start of hsync */
+# define TV_HBLANK_END_SHIFT		16
+# define TV_HBLANK_END_MASK		0x1fff0000
+/** Start of hblank, measured in pixels minus one from start of hsync */
+# define TV_HBLANK_START_SHIFT		0
+# define TV_HBLANK_START_MASK		0x0001fff
+
+#define TV_V_CTL_1		0x6803c
+/** XXX */
+# define TV_NBR_END_SHIFT		16
+# define TV_NBR_END_MASK		0x07ff0000
+/** XXX */
+# define TV_VI_END_F1_SHIFT		8
+# define TV_VI_END_F1_MASK		0x00003f00
+/** XXX */
+# define TV_VI_END_F2_SHIFT		0
+# define TV_VI_END_F2_MASK		0x0000003f
+
+#define TV_V_CTL_2		0x68040
+/** Length of vsync, in half lines */
+# define TV_VSYNC_LEN_MASK		0x07ff0000
+# define TV_VSYNC_LEN_SHIFT		16
+/** Offset of the start of vsync in field 1, measured in one less than the
+ * number of half lines.
+ */
+# define TV_VSYNC_START_F1_MASK		0x00007f00
+# define TV_VSYNC_START_F1_SHIFT	8
+/**
+ * Offset of the start of vsync in field 2, measured in one less than the
+ * number of half lines.
+ */
+# define TV_VSYNC_START_F2_MASK		0x0000007f
+# define TV_VSYNC_START_F2_SHIFT	0
+
+#define TV_V_CTL_3		0x68044
+/** Enables generation of the equalization signal */
+# define TV_EQUAL_ENA			(1 << 31)
+/** Length of vsync, in half lines */
+# define TV_VEQ_LEN_MASK		0x007f0000
+# define TV_VEQ_LEN_SHIFT		16
+/** Offset of the start of equalization in field 1, measured in one less than
+ * the number of half lines.
+ */
+# define TV_VEQ_START_F1_MASK		0x0007f00
+# define TV_VEQ_START_F1_SHIFT		8
+/**
+ * Offset of the start of equalization in field 2, measured in one less than
+ * the number of half lines.
+ */
+# define TV_VEQ_START_F2_MASK		0x000007f
+# define TV_VEQ_START_F2_SHIFT		0
+
+#define TV_V_CTL_4		0x68048
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F1_MASK	0x003f0000
+# define TV_VBURST_START_F1_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F1_MASK		0x000000ff
+# define TV_VBURST_END_F1_SHIFT		0
+
+#define TV_V_CTL_5		0x6804c
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F2_MASK	0x003f0000
+# define TV_VBURST_START_F2_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F2_MASK		0x000000ff
+# define TV_VBURST_END_F2_SHIFT		0
+
+#define TV_V_CTL_6		0x68050
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F3_MASK	0x003f0000
+# define TV_VBURST_START_F3_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F3_MASK		0x000000ff
+# define TV_VBURST_END_F3_SHIFT		0
+
+#define TV_V_CTL_7		0x68054
+/**
+ * Offset to start of vertical colorburst, measured in one less than the
+ * number of lines from vertical start.
+ */
+# define TV_VBURST_START_F4_MASK	0x003f0000
+# define TV_VBURST_START_F4_SHIFT	16
+/**
+ * Offset to the end of vertical colorburst, measured in one less than the
+ * number of lines from the start of NBR.
+ */
+# define TV_VBURST_END_F4_MASK		0x000000ff
+# define TV_VBURST_END_F4_SHIFT		0
+
+#define TV_SC_CTL_1		0x68060
+/** Turns on the first subcarrier phase generation DDA */
+# define TV_SC_DDA1_EN			(1 << 31)
+/** Turns on the first subcarrier phase generation DDA */
+# define TV_SC_DDA2_EN			(1 << 30)
+/** Turns on the first subcarrier phase generation DDA */
+# define TV_SC_DDA3_EN			(1 << 29)
+/** Sets the subcarrier DDA to reset frequency every other field */
+# define TV_SC_RESET_EVERY_2		(0 << 24)
+/** Sets the subcarrier DDA to reset frequency every fourth field */
+# define TV_SC_RESET_EVERY_4		(1 << 24)
+/** Sets the subcarrier DDA to reset frequency every eighth field */
+# define TV_SC_RESET_EVERY_8		(2 << 24)
+/** Sets the subcarrier DDA to never reset the frequency */
+# define TV_SC_RESET_NEVER		(3 << 24)
+/** Sets the peak amplitude of the colorburst.*/
+# define TV_BURST_LEVEL_MASK		0x00ff0000
+# define TV_BURST_LEVEL_SHIFT		16
+/** Sets the increment of the first subcarrier phase generation DDA */
+# define TV_SCDDA1_INC_MASK		0x00000fff
+# define TV_SCDDA1_INC_SHIFT		0
+
+#define TV_SC_CTL_2		0x68064
+/** Sets the rollover for the second subcarrier phase generation DDA */
+# define TV_SCDDA2_SIZE_MASK		0x7fff0000
+# define TV_SCDDA2_SIZE_SHIFT		16
+/** Sets the increent of the second subcarrier phase generation DDA */
+# define TV_SCDDA2_INC_MASK		0x00007fff
+# define TV_SCDDA2_INC_SHIFT		0
+
+#define TV_SC_CTL_3		0x68068
+/** Sets the rollover for the third subcarrier phase generation DDA */
+# define TV_SCDDA3_SIZE_MASK		0x7fff0000
+# define TV_SCDDA3_SIZE_SHIFT		16
+/** Sets the increent of the third subcarrier phase generation DDA */
+# define TV_SCDDA3_INC_MASK		0x00007fff
+# define TV_SCDDA3_INC_SHIFT		0
+
+#define TV_WIN_POS		0x68070
+/** X coordinate of the display from the start of horizontal active */
+# define TV_XPOS_MASK			0x1fff0000
+# define TV_XPOS_SHIFT			16
+/** Y coordinate of the display from the start of vertical active (NBR) */
+# define TV_YPOS_MASK			0x00000fff
+# define TV_YPOS_SHIFT			0
+
+#define TV_WIN_SIZE		0x68074
+/** Horizontal size of the display window, measured in pixels*/
+# define TV_XSIZE_MASK			0x1fff0000
+# define TV_XSIZE_SHIFT			16
+/**
+ * Vertical size of the display window, measured in pixels.
+ *
+ * Must be even for interlaced modes.
+ */
+# define TV_YSIZE_MASK			0x00000fff
+# define TV_YSIZE_SHIFT			0
+
+#define TV_FILTER_CTL_1		0x68080
+/**
+ * Enables automatic scaling calculation.
+ *
+ * If set, the rest of the registers are ignored, and the calculated values can
+ * be read back from the register.
+ */
+# define TV_AUTO_SCALE			(1 << 31)
+/**
+ * Disables the vertical filter.
+ *
+ * This is required on modes more than 1024 pixels wide */
+# define TV_V_FILTER_BYPASS		(1 << 29)
+/** Enables adaptive vertical filtering */
+# define TV_VADAPT			(1 << 28)
+# define TV_VADAPT_MODE_MASK		(3 << 26)
+/** Selects the least adaptive vertical filtering mode */
+# define TV_VADAPT_MODE_LEAST		(0 << 26)
+/** Selects the moderately adaptive vertical filtering mode */
+# define TV_VADAPT_MODE_MODERATE	(1 << 26)
+/** Selects the most adaptive vertical filtering mode */
+# define TV_VADAPT_MODE_MOST		(3 << 26)
+/**
+ * Sets the horizontal scaling factor.
+ *
+ * This should be the fractional part of the horizontal scaling factor divided
+ * by the oversampling rate.  TV_HSCALE should be less than 1, and set to:
+ *
+ * (src width - 1) / ((oversample * dest width) - 1)
+ */
+# define TV_HSCALE_FRAC_MASK		0x00003fff
+# define TV_HSCALE_FRAC_SHIFT		0
+
+#define TV_FILTER_CTL_2		0x68084
+/**
+ * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * TV_VSCALE should be (src height - 1) / ((interlace * dest height) - 1)
+ */
+# define TV_VSCALE_INT_MASK		0x00038000
+# define TV_VSCALE_INT_SHIFT		15
+/**
+ * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * \sa TV_VSCALE_INT_MASK
+ */
+# define TV_VSCALE_FRAC_MASK		0x00007fff
+# define TV_VSCALE_FRAC_SHIFT		0
+
+#define TV_FILTER_CTL_3		0x68088
+/**
+ * Sets the integer part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * TV_VSCALE should be (src height - 1) / (1/4 * (dest height - 1))
+ *
+ * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
+ */
+# define TV_VSCALE_IP_INT_MASK		0x00038000
+# define TV_VSCALE_IP_INT_SHIFT		15
+/**
+ * Sets the fractional part of the 3.15 fixed-point vertical scaling factor.
+ *
+ * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes.
+ *
+ * \sa TV_VSCALE_IP_INT_MASK
+ */
+# define TV_VSCALE_IP_FRAC_MASK		0x00007fff
+# define TV_VSCALE_IP_FRAC_SHIFT		0
+
+#define TV_CC_CONTROL		0x68090
+# define TV_CC_ENABLE			(1 << 31)
+/**
+ * Specifies which field to send the CC data in.
+ *
+ * CC data is usually sent in field 0.
+ */
+# define TV_CC_FID_MASK			(1 << 27)
+# define TV_CC_FID_SHIFT		27
+/** Sets the horizontal position of the CC data.  Usually 135. */
+# define TV_CC_HOFF_MASK		0x03ff0000
+# define TV_CC_HOFF_SHIFT		16
+/** Sets the vertical position of the CC data.  Usually 21 */
+# define TV_CC_LINE_MASK		0x0000003f
+# define TV_CC_LINE_SHIFT		0
+
+#define TV_CC_DATA		0x68094
+# define TV_CC_RDY			(1 << 31)
+/** Second word of CC data to be transmitted. */
+# define TV_CC_DATA_2_MASK		0x007f0000
+# define TV_CC_DATA_2_SHIFT		16
+/** First word of CC data to be transmitted. */
+# define TV_CC_DATA_1_MASK		0x0000007f
+# define TV_CC_DATA_1_SHIFT		0
+
+#define TV_H_LUMA_0		0x68100
+#define TV_H_LUMA_59		0x681ec
+#define TV_H_CHROMA_0		0x68200
+#define TV_H_CHROMA_59		0x682ec
+#define TV_V_LUMA_0		0x68300
+#define TV_V_LUMA_42		0x683a8
+#define TV_V_CHROMA_0		0x68400
+#define TV_V_CHROMA_42		0x684a8
+
+/* Display & cursor control */
+
+/* Pipe A */
+#define PIPEADSL		0x70000
+#define PIPEACONF		0x70008
+#define   PIPEACONF_ENABLE	(1<<31)
+#define   PIPEACONF_DISABLE	0
+#define   PIPEACONF_DOUBLE_WIDE	(1<<30)
+#define   I965_PIPECONF_ACTIVE	(1<<30)
+#define   PIPEACONF_SINGLE_WIDE	0
+#define   PIPEACONF_PIPE_UNLOCKED 0
+#define   PIPEACONF_PIPE_LOCKED	(1<<25)
+#define   PIPEACONF_PALETTE	0
+#define   PIPEACONF_GAMMA		(1<<24)
+#define   PIPECONF_FORCE_BORDER	(1<<25)
+#define   PIPECONF_PROGRESSIVE	(0 << 21)
+#define   PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
+#define   PIPECONF_INTERLACE_FIELD_0_ONLY		(7 << 21)
+#define PIPEASTAT		0x70024
+#define   PIPE_FIFO_UNDERRUN_STATUS		(1UL<<31)
+#define   PIPE_CRC_ERROR_ENABLE			(1UL<<29)
+#define   PIPE_CRC_DONE_ENABLE			(1UL<<28)
+#define   PIPE_GMBUS_EVENT_ENABLE		(1UL<<27)
+#define   PIPE_HOTPLUG_INTERRUPT_ENABLE		(1UL<<26)
+#define   PIPE_VSYNC_INTERRUPT_ENABLE		(1UL<<25)
+#define   PIPE_DISPLAY_LINE_COMPARE_ENABLE	(1UL<<24)
+#define   PIPE_DPST_EVENT_ENABLE		(1UL<<23)
+#define   PIPE_LEGACY_BLC_EVENT_ENABLE		(1UL<<22)
+#define   PIPE_ODD_FIELD_INTERRUPT_ENABLE	(1UL<<21)
+#define   PIPE_EVEN_FIELD_INTERRUPT_ENABLE	(1UL<<20)
+#define   PIPE_HOTPLUG_TV_INTERRUPT_ENABLE	(1UL<<18) /* pre-965 */
+#define   PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL<<18) /* 965 or later */
+#define   PIPE_VBLANK_INTERRUPT_ENABLE		(1UL<<17)
+#define   PIPE_OVERLAY_UPDATED_ENABLE		(1UL<<16)
+#define   PIPE_CRC_ERROR_INTERRUPT_STATUS	(1UL<<13)
+#define   PIPE_CRC_DONE_INTERRUPT_STATUS	(1UL<<12)
+#define   PIPE_GMBUS_INTERRUPT_STATUS		(1UL<<11)
+#define   PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL<<10)
+#define   PIPE_VSYNC_INTERRUPT_STATUS		(1UL<<9)
+#define   PIPE_DISPLAY_LINE_COMPARE_STATUS	(1UL<<8)
+#define   PIPE_DPST_EVENT_STATUS		(1UL<<7)
+#define   PIPE_LEGACY_BLC_EVENT_STATUS		(1UL<<6)
+#define   PIPE_ODD_FIELD_INTERRUPT_STATUS	(1UL<<5)
+#define   PIPE_EVEN_FIELD_INTERRUPT_STATUS	(1UL<<4)
+#define   PIPE_HOTPLUG_TV_INTERRUPT_STATUS	(1UL<<2) /* pre-965 */
+#define   PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL<<2) /* 965 or later */
+#define   PIPE_VBLANK_INTERRUPT_STATUS		(1UL<<1)
+#define   PIPE_OVERLAY_UPDATED_STATUS		(1UL<<0)
+
+#define DSPARB			0x70030
+#define   DSPARB_CSTART_MASK	(0x7f << 7)
+#define   DSPARB_CSTART_SHIFT	7
+#define   DSPARB_BSTART_MASK	(0x7f)
+#define   DSPARB_BSTART_SHIFT	0
+/*
+ * The two pipe frame counter registers are not synchronized, so
+ * reading a stable value is somewhat tricky. The following code
+ * should work:
+ *
+ *  do {
+ *    high1 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
+ *             PIPE_FRAME_HIGH_SHIFT;
+ *    low1 =  ((INREG(PIPEAFRAMEPIXEL) & PIPE_FRAME_LOW_MASK) >>
+ *             PIPE_FRAME_LOW_SHIFT);
+ *    high2 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >>
+ *             PIPE_FRAME_HIGH_SHIFT);
+ *  } while (high1 != high2);
+ *  frame = (high1 << 8) | low1;
+ */
+#define PIPEAFRAMEHIGH          0x70040
+#define   PIPE_FRAME_HIGH_MASK    0x0000ffff
+#define   PIPE_FRAME_HIGH_SHIFT   0
+#define PIPEAFRAMEPIXEL         0x70044
+#define   PIPE_FRAME_LOW_MASK     0xff000000
+#define   PIPE_FRAME_LOW_SHIFT    24
+#define   PIPE_PIXEL_MASK         0x00ffffff
+#define   PIPE_PIXEL_SHIFT        0
+
+/* Cursor A & B regs */
+#define CURACNTR		0x70080
+#define   CURSOR_MODE_DISABLE   0x00
+#define   CURSOR_MODE_64_32B_AX 0x07
+#define   CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
+#define   MCURSOR_GAMMA_ENABLE  (1 << 26)
+#define CURABASE		0x70084
+#define CURAPOS			0x70088
+#define   CURSOR_POS_MASK       0x007FF
+#define   CURSOR_POS_SIGN       0x8000
+#define   CURSOR_X_SHIFT        0
+#define   CURSOR_Y_SHIFT        16
+#define CURBCNTR		0x700c0
+#define CURBBASE		0x700c4
+#define CURBPOS			0x700c8
+
+/* Display A control */
+#define DSPACNTR                0x70180
+#define   DISPLAY_PLANE_ENABLE			(1<<31)
+#define   DISPLAY_PLANE_DISABLE			0
+#define   DISPPLANE_GAMMA_ENABLE		(1<<30)
+#define   DISPPLANE_GAMMA_DISABLE		0
+#define   DISPPLANE_PIXFORMAT_MASK		(0xf<<26)
+#define   DISPPLANE_8BPP			(0x2<<26)
+#define   DISPPLANE_15_16BPP			(0x4<<26)
+#define   DISPPLANE_16BPP			(0x5<<26)
+#define   DISPPLANE_32BPP_NO_ALPHA		(0x6<<26)
+#define   DISPPLANE_32BPP			(0x7<<26)
+#define   DISPPLANE_STEREO_ENABLE		(1<<25)
+#define   DISPPLANE_STEREO_DISABLE		0
+#define   DISPPLANE_SEL_PIPE_MASK		(1<<24)
+#define   DISPPLANE_SEL_PIPE_A			0
+#define   DISPPLANE_SEL_PIPE_B			(1<<24)
+#define   DISPPLANE_SRC_KEY_ENABLE		(1<<22)
+#define   DISPPLANE_SRC_KEY_DISABLE		0
+#define   DISPPLANE_LINE_DOUBLE			(1<<20)
+#define   DISPPLANE_NO_LINE_DOUBLE		0
+#define   DISPPLANE_STEREO_POLARITY_FIRST	0
+#define   DISPPLANE_STEREO_POLARITY_SECOND	(1<<18)
+#define DSPAADDR		0x70184
+#define DSPASTRIDE		0x70188
+#define DSPAPOS			0x7018C /* reserved */
+#define DSPASIZE		0x70190
+#define DSPASURF		0x7019C /* 965+ only */
+#define DSPATILEOFF		0x701A4 /* 965+ only */
+
+/* VBIOS flags */
+#define SWF00			0x71410
+#define SWF01			0x71414
+#define SWF02			0x71418
+#define SWF03			0x7141c
+#define SWF04			0x71420
+#define SWF05			0x71424
+#define SWF06			0x71428
+#define SWF10			0x70410
+#define SWF11			0x70414
+#define SWF14			0x71420
+#define SWF30			0x72414
+#define SWF31			0x72418
+#define SWF32			0x7241c
+
+/* Pipe B */
+#define PIPEBDSL		0x71000
+#define PIPEBCONF		0x71008
+#define PIPEBSTAT		0x71024
+#define PIPEBFRAMEHIGH		0x71040
+#define PIPEBFRAMEPIXEL		0x71044
+
+/* Display B control */
+#define DSPBCNTR		0x71180
+#define   DISPPLANE_ALPHA_TRANS_ENABLE		(1<<15)
+#define   DISPPLANE_ALPHA_TRANS_DISABLE		0
+#define   DISPPLANE_SPRITE_ABOVE_DISPLAY	0
+#define   DISPPLANE_SPRITE_ABOVE_OVERLAY	(1)
+#define DSPBADDR		0x71184
+#define DSPBSTRIDE		0x71188
+#define DSPBPOS			0x7118C
+#define DSPBSIZE		0x71190
+#define DSPBSURF		0x7119C
+#define DSPBTILEOFF		0x711A4
+
+/* VBIOS regs */
+#define VGACNTRL		0x71400
+# define VGA_DISP_DISABLE			(1 << 31)
+# define VGA_2X_MODE				(1 << 30)
+# define VGA_PIPE_B_SELECT			(1 << 29)
+
+#endif /* _I915_REG_H_ */
-- 
GitLab


From ed4cb4142b242d8090d3811d5eb4abf6aa985bc8 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 29 Jul 2008 12:10:39 -0700
Subject: [PATCH 1116/2224] i915: Add support for MSI and interrupt mitigation.

Previous attempts at interrupt mitigation had been foiled by i915_wait_irq's
failure to update the sarea seqno value when the status page indicated that
the seqno had already been passed.  MSI support has been seen to cut CPU
costs by up to 40% in some workloads by avoiding other expensive interrupt
handlers for frequent graphics interrupts.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_irq.c       |  20 +++--
 drivers/gpu/drm/i915/i915_dma.c |  21 ++++-
 drivers/gpu/drm/i915/i915_drv.h |   6 ++
 drivers/gpu/drm/i915/i915_irq.c | 153 ++++++++++++++++++++++----------
 4 files changed, 145 insertions(+), 55 deletions(-)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 53f0e5af1cc..61ed5158f78 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -63,7 +63,7 @@ int drm_irq_by_busid(struct drm_device *dev, void *data,
 	    p->devnum != PCI_SLOT(dev->pdev->devfn) || p->funcnum != PCI_FUNC(dev->pdev->devfn))
 		return -EINVAL;
 
-	p->irq = dev->irq;
+	p->irq = dev->pdev->irq;
 
 	DRM_DEBUG("%d:%d:%d => IRQ %d\n", p->busnum, p->devnum, p->funcnum,
 		  p->irq);
@@ -89,7 +89,7 @@ static int drm_irq_install(struct drm_device * dev)
 	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
 		return -EINVAL;
 
-	if (dev->irq == 0)
+	if (dev->pdev->irq == 0)
 		return -EINVAL;
 
 	mutex_lock(&dev->struct_mutex);
@@ -107,7 +107,7 @@ static int drm_irq_install(struct drm_device * dev)
 	dev->irq_enabled = 1;
 	mutex_unlock(&dev->struct_mutex);
 
-	DRM_DEBUG("irq=%d\n", dev->irq);
+	DRM_DEBUG("irq=%d\n", dev->pdev->irq);
 
 	if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) {
 		init_waitqueue_head(&dev->vbl_queue);
@@ -127,8 +127,12 @@ static int drm_irq_install(struct drm_device * dev)
 	if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
 		sh_flags = IRQF_SHARED;
 
-	ret = request_irq(dev->irq, dev->driver->irq_handler,
+	ret = request_irq(dev->pdev->irq, dev->driver->irq_handler,
 			  sh_flags, dev->devname, dev);
+	/* Expose the device irq number to drivers that want to export it for
+	 * whatever reason.
+	 */
+	dev->irq = dev->pdev->irq;
 	if (ret < 0) {
 		mutex_lock(&dev->struct_mutex);
 		dev->irq_enabled = 0;
@@ -164,11 +168,11 @@ int drm_irq_uninstall(struct drm_device * dev)
 	if (!irq_enabled)
 		return -EINVAL;
 
-	DRM_DEBUG("irq=%d\n", dev->irq);
+	DRM_DEBUG("irq=%d\n", dev->pdev->irq);
 
 	dev->driver->irq_uninstall(dev);
 
-	free_irq(dev->irq, dev);
+	free_irq(dev->pdev->irq, dev);
 
 	dev->locked_tasklet_func = NULL;
 
@@ -201,7 +205,7 @@ int drm_control(struct drm_device *dev, void *data,
 		if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
 			return 0;
 		if (dev->if_version < DRM_IF_VERSION(1, 2) &&
-		    ctl->irq != dev->irq)
+		    ctl->irq != dev->pdev->irq)
 			return -EINVAL;
 		return drm_irq_install(dev);
 	case DRM_UNINST_HANDLER:
@@ -239,7 +243,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_pr
 	int ret = 0;
 	unsigned int flags, seq;
 
-	if ((!dev->irq) || (!dev->irq_enabled))
+	if ((!dev->pdev->irq) || (!dev->irq_enabled))
 		return -EINVAL;
 
 	if (vblwait->request.type &
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 4d56dfd25e0..27a1f78a7f1 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -84,7 +84,7 @@ static int i915_dma_cleanup(struct drm_device * dev)
 	 * may not have been called from userspace and after dev_private
 	 * is freed, it's too late.
 	 */
-	if (dev->irq)
+	if (dev->irq_enabled)
 		drm_irq_uninstall(dev);
 
 	if (dev_priv->ring.virtual_start) {
@@ -644,7 +644,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
 
 	switch (param->param) {
 	case I915_PARAM_IRQ_ACTIVE:
-		value = dev->irq ? 1 : 0;
+		value = dev->irq_enabled;
 		break;
 	case I915_PARAM_ALLOW_BATCHBUFFER:
 		value = dev_priv->allow_batchbuffer ? 1 : 0;
@@ -763,6 +763,20 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
 			 _DRM_KERNEL | _DRM_DRIVER,
 			 &dev_priv->mmio_map);
+
+
+	/* On the 945G/GM, the chipset reports the MSI capability on the
+	 * integrated graphics even though the support isn't actually there
+	 * according to the published specs.  It doesn't appear to function
+	 * correctly in testing on 945G.
+	 * This may be a side effect of MSI having been made available for PEG
+	 * and the registers being closely associated.
+	 */
+	if (!IS_I945G(dev) && !IS_I945GM(dev))
+		pci_enable_msi(dev->pdev);
+
+	spin_lock_init(&dev_priv->user_irq_lock);
+
 	return ret;
 }
 
@@ -770,6 +784,9 @@ int i915_driver_unload(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
+	if (dev->pdev->msi_enabled)
+		pci_disable_msi(dev->pdev);
+
 	if (dev_priv->mmio_map)
 		drm_rmmap(dev, dev_priv->mmio_map);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index afb51a390e1..8daf0d84cd5 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -105,6 +105,12 @@ typedef struct drm_i915_private {
 	wait_queue_head_t irq_queue;
 	atomic_t irq_received;
 	atomic_t irq_emitted;
+	/** Protects user_irq_refcount and irq_mask_reg */
+	spinlock_t user_irq_lock;
+	/** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
+	int user_irq_refcount;
+	/** Cached value of IMR to avoid reads in updating the bitfield */
+	u32 irq_mask_reg;
 
 	int tex_lru_log_granularity;
 	int allow_batchbuffer;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4a2de789734..24d11ed5bbc 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -33,6 +33,31 @@
 
 #define MAX_NOPID ((u32)~0)
 
+/** These are the interrupts used by the driver */
+#define I915_INTERRUPT_ENABLE_MASK (I915_USER_INTERRUPT |		\
+				    I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT | \
+				    I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
+
+static inline void
+i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
+{
+	if ((dev_priv->irq_mask_reg & mask) != 0) {
+		dev_priv->irq_mask_reg &= ~mask;
+		I915_WRITE(IMR, dev_priv->irq_mask_reg);
+		(void) I915_READ(IMR);
+	}
+}
+
+static inline void
+i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
+{
+	if ((dev_priv->irq_mask_reg & mask) != mask) {
+		dev_priv->irq_mask_reg |= mask;
+		I915_WRITE(IMR, dev_priv->irq_mask_reg);
+		(void) I915_READ(IMR);
+	}
+}
+
 /**
  * Emit blits for scheduled buffer swaps.
  *
@@ -229,46 +254,50 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u16 temp;
 	u32 pipea_stats, pipeb_stats;
+	u32 iir;
 
 	pipea_stats = I915_READ(PIPEASTAT);
 	pipeb_stats = I915_READ(PIPEBSTAT);
 
-	temp = I915_READ16(IIR);
-
-	temp &= (I915_USER_INTERRUPT |
-		 I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT |
-		 I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT);
+	if (dev->pdev->msi_enabled)
+		I915_WRITE(IMR, ~0);
+	iir = I915_READ(IIR);
 
-	DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
+	DRM_DEBUG("iir=%08x\n", iir);
 
-	if (temp == 0)
+	if (iir == 0) {
+		if (dev->pdev->msi_enabled) {
+			I915_WRITE(IMR, dev_priv->irq_mask_reg);
+			(void) I915_READ(IMR);
+		}
 		return IRQ_NONE;
+	}
 
-	I915_WRITE16(IIR, temp);
-	(void) I915_READ16(IIR);
-	DRM_READMEMORYBARRIER();
+	I915_WRITE(IIR, iir);
+	if (dev->pdev->msi_enabled)
+		I915_WRITE(IMR, dev_priv->irq_mask_reg);
+	(void) I915_READ(IIR); /* Flush posted writes */
 
 	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
-	if (temp & I915_USER_INTERRUPT)
+	if (iir & I915_USER_INTERRUPT)
 		DRM_WAKEUP(&dev_priv->irq_queue);
 
-	if (temp & (I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT |
-		    I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)) {
+	if (iir & (I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT |
+		   I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)) {
 		int vblank_pipe = dev_priv->vblank_pipe;
 
 		if ((vblank_pipe &
 		     (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B))
 		    == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) {
-			if (temp & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT)
+			if (iir & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT)
 				atomic_inc(&dev->vbl_received);
-			if (temp & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
+			if (iir & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
 				atomic_inc(&dev->vbl_received2);
-		} else if (((temp & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT) &&
+		} else if (((iir & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT) &&
 			    (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) ||
-			   ((temp & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT) &&
+			   ((iir & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT) &&
 			    (vblank_pipe & DRM_I915_VBLANK_PIPE_B)))
 			atomic_inc(&dev->vbl_received);
 
@@ -314,6 +343,27 @@ static int i915_emit_irq(struct drm_device * dev)
 	return dev_priv->counter;
 }
 
+static void i915_user_irq_get(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+	spin_lock(&dev_priv->user_irq_lock);
+	if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1))
+		i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
+	spin_unlock(&dev_priv->user_irq_lock);
+}
+
+static void i915_user_irq_put(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+	spin_lock(&dev_priv->user_irq_lock);
+	BUG_ON(dev->irq_enabled && dev_priv->user_irq_refcount <= 0);
+	if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0))
+		i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
+	spin_unlock(&dev_priv->user_irq_lock);
+}
+
 static int i915_wait_irq(struct drm_device * dev, int irq_nr)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -322,13 +372,17 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
 	DRM_DEBUG("irq_nr=%d breadcrumb=%d\n", irq_nr,
 		  READ_BREADCRUMB(dev_priv));
 
-	if (READ_BREADCRUMB(dev_priv) >= irq_nr)
+	if (READ_BREADCRUMB(dev_priv) >= irq_nr) {
+		dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 		return 0;
+	}
 
 	dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
 
+	i915_user_irq_get(dev);
 	DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
 		    READ_BREADCRUMB(dev_priv) >= irq_nr);
+	i915_user_irq_put(dev);
 
 	if (ret == -EBUSY) {
 		DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
@@ -413,20 +467,6 @@ int i915_irq_wait(struct drm_device *dev, void *data,
 	return i915_wait_irq(dev, irqwait->irq_seq);
 }
 
-static void i915_enable_interrupt (struct drm_device *dev)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u16 flag;
-
-	flag = 0;
-	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
-		flag |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
-	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
-		flag |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
-
-	I915_WRITE16(IER, I915_USER_INTERRUPT | flag);
-}
-
 /* Set the vblank monitor pipe
  */
 int i915_vblank_pipe_set(struct drm_device *dev, void *data,
@@ -434,6 +474,7 @@ int i915_vblank_pipe_set(struct drm_device *dev, void *data,
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_vblank_pipe_t *pipe = data;
+	u32 enable_mask = 0, disable_mask = 0;
 
 	if (!dev_priv) {
 		DRM_ERROR("called with no initialization\n");
@@ -445,9 +486,20 @@ int i915_vblank_pipe_set(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	dev_priv->vblank_pipe = pipe->pipe;
+	if (pipe->pipe & DRM_I915_VBLANK_PIPE_A)
+		enable_mask |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
+	else
+		disable_mask |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
+
+	if (pipe->pipe & DRM_I915_VBLANK_PIPE_B)
+		enable_mask |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
+	else
+		disable_mask |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
 
-	i915_enable_interrupt (dev);
+	i915_enable_irq(dev_priv, enable_mask);
+	i915_disable_irq(dev_priv, disable_mask);
+
+	dev_priv->vblank_pipe = pipe->pipe;
 
 	return 0;
 }
@@ -464,7 +516,7 @@ int i915_vblank_pipe_get(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	flag = I915_READ(IER);
+	flag = I915_READ(IMR);
 	pipe->pipe = 0;
 	if (flag & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT)
 		pipe->pipe |= DRM_I915_VBLANK_PIPE_A;
@@ -586,9 +638,9 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-	I915_WRITE16(HWSTAM, 0xfffe);
-	I915_WRITE16(IMR, 0x0);
-	I915_WRITE16(IER, 0x0);
+	I915_WRITE(HWSTAM, 0xfffe);
+	I915_WRITE(IMR, 0x0);
+	I915_WRITE(IER, 0x0);
 }
 
 void i915_driver_irq_postinstall(struct drm_device * dev)
@@ -601,7 +653,18 @@ void i915_driver_irq_postinstall(struct drm_device * dev)
 
 	if (!dev_priv->vblank_pipe)
 		dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A;
-	i915_enable_interrupt(dev);
+
+	/* Set initial unmasked IRQs to just the selected vblank pipes. */
+	dev_priv->irq_mask_reg = ~0;
+	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
+		dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
+	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
+		dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
+
+	I915_WRITE(IMR, dev_priv->irq_mask_reg);
+	I915_WRITE(IER, I915_INTERRUPT_ENABLE_MASK);
+	(void) I915_READ(IER);
+
 	DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
 }
 
@@ -613,10 +676,10 @@ void i915_driver_irq_uninstall(struct drm_device * dev)
 	if (!dev_priv)
 		return;
 
-	I915_WRITE16(HWSTAM, 0xffff);
-	I915_WRITE16(IMR, 0xffff);
-	I915_WRITE16(IER, 0x0);
+	I915_WRITE(HWSTAM, 0xffff);
+	I915_WRITE(IMR, 0xffff);
+	I915_WRITE(IER, 0x0);
 
-	temp = I915_READ16(IIR);
-	I915_WRITE16(IIR, temp);
+	temp = I915_READ(IIR);
+	I915_WRITE(IIR, temp);
 }
-- 
GitLab


From d3a6d4467ca44833bcb4ba1893a7aeaae939e4d5 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 30 Jul 2008 12:21:20 -0700
Subject: [PATCH 1117/2224] i915: Track progress inside of batchbuffers for
 determining wedgedness.

This avoids early termination for long-running commands.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 27a1f78a7f1..aa9e8da9f71 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -40,11 +40,15 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
+	u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD;
+	u32 last_acthd = I915_READ(acthd_reg);
+	u32 acthd;
 	u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
 	int i;
 
-	for (i = 0; i < 10000; i++) {
+	for (i = 0; i < 100000; i++) {
 		ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+		acthd = I915_READ(acthd_reg);
 		ring->space = ring->head - (ring->tail + 8);
 		if (ring->space < 0)
 			ring->space += ring->Size;
@@ -55,8 +59,13 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
 
 		if (ring->head != last_head)
 			i = 0;
+		if (acthd != last_acthd)
+			i = 0;
 
 		last_head = ring->head;
+		last_acthd = acthd;
+		msleep_interruptible(10);
+
 	}
 
 	return -EBUSY;
-- 
GitLab


From 398c9cb20b5c6c5d1313912b937d653a46fec578 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 30 Jul 2008 13:03:43 -0700
Subject: [PATCH 1118/2224] i915: Initialize hardware status page at device
 load when possible.

Some chips were unstable with repeated setup/teardown of the hardware status
page.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 86 ++++++++++++++++++++++-----------
 1 file changed, 57 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index aa9e8da9f71..f1b5aa92fa8 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -71,6 +71,52 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
 	return -EBUSY;
 }
 
+/**
+ * Sets up the hardware status page for devices that need a physical address
+ * in the register.
+ */
+int i915_init_phys_hws(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	/* Program Hardware Status Page */
+	dev_priv->status_page_dmah =
+		drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff);
+
+	if (!dev_priv->status_page_dmah) {
+		DRM_ERROR("Can not allocate hardware status page\n");
+		return -ENOMEM;
+	}
+	dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
+	dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
+
+	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
+
+	I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
+	DRM_DEBUG("Enabled hardware status page\n");
+	return 0;
+}
+
+/**
+ * Frees the hardware status page, whether it's a physical address or a virtual
+ * address set up by the X Server.
+ */
+void i915_free_hws(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	if (dev_priv->status_page_dmah) {
+		drm_pci_free(dev, dev_priv->status_page_dmah);
+		dev_priv->status_page_dmah = NULL;
+	}
+
+	if (dev_priv->status_gfx_addr) {
+		dev_priv->status_gfx_addr = 0;
+		drm_core_ioremapfree(&dev_priv->hws_map, dev);
+	}
+
+	/* Need to rewrite hardware status page */
+	I915_WRITE(HWS_PGA, 0x1ffff000);
+}
+
 void i915_kernel_lost_context(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
@@ -103,18 +149,9 @@ static int i915_dma_cleanup(struct drm_device * dev)
 		dev_priv->ring.map.size = 0;
 	}
 
-	if (dev_priv->status_page_dmah) {
-		drm_pci_free(dev, dev_priv->status_page_dmah);
-		dev_priv->status_page_dmah = NULL;
-		/* Need to rewrite hardware status page */
-		I915_WRITE(HWS_PGA, 0x1ffff000);
-	}
-
-	if (dev_priv->status_gfx_addr) {
-		dev_priv->status_gfx_addr = 0;
-		drm_core_ioremapfree(&dev_priv->hws_map, dev);
-		I915_WRITE(HWS_PGA, 0x1ffff000);
-	}
+	/* Clear the HWS virtual address at teardown */
+	if (I915_NEED_GFX_HWS(dev))
+		i915_free_hws(dev);
 
 	return 0;
 }
@@ -165,23 +202,6 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 	 */
 	dev_priv->allow_batchbuffer = 1;
 
-	/* Program Hardware Status Page */
-	if (!I915_NEED_GFX_HWS(dev)) {
-		dev_priv->status_page_dmah =
-			drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff);
-
-		if (!dev_priv->status_page_dmah) {
-			i915_dma_cleanup(dev);
-			DRM_ERROR("Can not allocate hardware status page\n");
-			return -ENOMEM;
-		}
-		dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
-		dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
-
-		memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-		I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
-	}
-	DRM_DEBUG("Enabled hardware status page\n");
 	return 0;
 }
 
@@ -773,6 +793,12 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 			 _DRM_KERNEL | _DRM_DRIVER,
 			 &dev_priv->mmio_map);
 
+	/* Init HWS */
+	if (!I915_NEED_GFX_HWS(dev)) {
+		ret = i915_init_phys_hws(dev);
+		if (ret != 0)
+			return ret;
+	}
 
 	/* On the 945G/GM, the chipset reports the MSI capability on the
 	 * integrated graphics even though the support isn't actually there
@@ -796,6 +822,8 @@ int i915_driver_unload(struct drm_device *dev)
 	if (dev->pdev->msi_enabled)
 		pci_disable_msi(dev->pdev);
 
+	i915_free_hws(dev);
+
 	if (dev_priv->mmio_map)
 		drm_rmmap(dev, dev_priv->mmio_map);
 
-- 
GitLab


From 8ee1c3db9075cb3211352e737e0feb98fd733b20 Mon Sep 17 00:00:00 2001
From: Matthew Garrett <mjg59@srcf.ucam.org>
Date: Tue, 5 Aug 2008 19:37:25 +0100
Subject: [PATCH 1119/2224] Add Intel ACPI IGD OpRegion support

This adds the support necessary for allowing ACPI backlight control to
work on some newer Intel-based graphics systems. Tested on Thinkpad T61
and HP 2510p hardware.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
---
 drivers/gpu/drm/i915/Makefile        |   2 +-
 drivers/gpu/drm/i915/i915_dma.c      |   4 +
 drivers/gpu/drm/i915/i915_drv.c      |   4 +
 drivers/gpu/drm/i915/i915_drv.h      |  17 ++
 drivers/gpu/drm/i915/i915_irq.c      |  25 +-
 drivers/gpu/drm/i915/i915_opregion.c | 371 +++++++++++++++++++++++++++
 drivers/gpu/drm/i915/i915_reg.h      |   1 +
 7 files changed, 415 insertions(+), 9 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_opregion.c

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index a9e60464df7..b032808d9c1 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -3,7 +3,7 @@
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
 ccflags-y := -Iinclude/drm
-i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o
+i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_opregion.o
 
 i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index f1b5aa92fa8..29115450ee4 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -810,6 +810,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	if (!IS_I945G(dev) && !IS_I945GM(dev))
 		pci_enable_msi(dev->pdev);
 
+	intel_opregion_init(dev);
+
 	spin_lock_init(&dev_priv->user_irq_lock);
 
 	return ret;
@@ -827,6 +829,8 @@ int i915_driver_unload(struct drm_device *dev)
 	if (dev_priv->mmio_map)
 		drm_rmmap(dev, dev_priv->mmio_map);
 
+	intel_opregion_free(dev);
+
 	drm_free(dev->dev_private, sizeof(drm_i915_private_t),
 		 DRM_MEM_DRIVER);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 6c99aab12da..d95eca2bc45 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -371,6 +371,8 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 
 	i915_save_vga(dev);
 
+	intel_opregion_free(dev);
+
 	if (state.event == PM_EVENT_SUSPEND) {
 		/* Shut down the device */
 		pci_disable_device(dev->pdev);
@@ -532,6 +534,8 @@ static int i915_resume(struct drm_device *dev)
 
 	i915_restore_vga(dev);
 
+	intel_opregion_init(dev);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8daf0d84cd5..e4bd01c511a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -82,6 +82,14 @@ typedef struct _drm_i915_vbl_swap {
 	unsigned int sequence;
 } drm_i915_vbl_swap_t;
 
+struct intel_opregion {
+	struct opregion_header *header;
+	struct opregion_acpi *acpi;
+	struct opregion_swsci *swsci;
+	struct opregion_asle *asle;
+	int enabled;
+};
+
 typedef struct drm_i915_private {
 	drm_local_map_t *sarea;
 	drm_local_map_t *mmio_map;
@@ -122,6 +130,8 @@ typedef struct drm_i915_private {
 	drm_i915_vbl_swap_t vbl_swaps;
 	unsigned int swaps_pending;
 
+	struct intel_opregion opregion;
+
 	/* Register state */
 	u8 saveLBB;
 	u32 saveDSPACNTR;
@@ -244,6 +254,7 @@ extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 extern int i915_vblank_swap(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
+extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
 
 /* i915_mem.c */
 extern int i915_mem_alloc(struct drm_device *dev, void *data,
@@ -258,6 +269,12 @@ extern void i915_mem_takedown(struct mem_block **heap);
 extern void i915_mem_release(struct drm_device * dev,
 			     struct drm_file *file_priv, struct mem_block *heap);
 
+/* i915_opregion.c */
+extern int intel_opregion_init(struct drm_device *dev);
+extern void intel_opregion_free(struct drm_device *dev);
+extern void opregion_asle_intr(struct drm_device *dev);
+extern void opregion_enable_asle(struct drm_device *dev);
+
 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
 #define I915_READ16(reg)	DRM_READ16(dev_priv->mmio_map, (reg))
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 24d11ed5bbc..ae7d3a82a6d 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -36,9 +36,11 @@
 /** These are the interrupts used by the driver */
 #define I915_INTERRUPT_ENABLE_MASK (I915_USER_INTERRUPT |		\
 				    I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT | \
-				    I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
+				    I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT | \
+				    I915_ASLE_INTERRUPT |		\
+				    I915_DISPLAY_PIPE_B_EVENT_INTERRUPT)
 
-static inline void
+void
 i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
 {
 	if ((dev_priv->irq_mask_reg & mask) != 0) {
@@ -274,6 +276,9 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		return IRQ_NONE;
 	}
 
+	I915_WRITE(PIPEASTAT, pipea_stats);
+	I915_WRITE(PIPEBSTAT, pipeb_stats);
+
 	I915_WRITE(IIR, iir);
 	if (dev->pdev->msi_enabled)
 		I915_WRITE(IMR, dev_priv->irq_mask_reg);
@@ -306,14 +311,14 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 
 		if (dev_priv->swaps_pending > 0)
 			drm_locked_tasklet(dev, i915_vblank_tasklet);
-		I915_WRITE(PIPEASTAT,
-			pipea_stats|I915_VBLANK_INTERRUPT_ENABLE|
-			PIPE_VBLANK_INTERRUPT_STATUS);
-		I915_WRITE(PIPEBSTAT,
-			pipeb_stats|I915_VBLANK_INTERRUPT_ENABLE|
-			PIPE_VBLANK_INTERRUPT_STATUS);
 	}
 
+	if (iir & I915_ASLE_INTERRUPT)
+		opregion_asle_intr(dev);
+
+	if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT)
+		opregion_asle_intr(dev);
+
 	return IRQ_HANDLED;
 }
 
@@ -661,10 +666,14 @@ void i915_driver_irq_postinstall(struct drm_device * dev)
 	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
 		dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
 
+	dev_priv->irq_mask_reg &= I915_INTERRUPT_ENABLE_MASK;
+
 	I915_WRITE(IMR, dev_priv->irq_mask_reg);
 	I915_WRITE(IER, I915_INTERRUPT_ENABLE_MASK);
 	(void) I915_READ(IER);
 
+	opregion_enable_asle(dev);
+
 	DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c
new file mode 100644
index 00000000000..1787a0c7e3a
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_opregion.c
@@ -0,0 +1,371 @@
+/*
+ * Copyright 2008 Intel Corporation <hong.liu@intel.com>
+ * Copyright 2008 Red Hat <mjg@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/acpi.h>
+
+#include "drmP.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+#define PCI_ASLE 0xe4
+#define PCI_LBPC 0xf4
+#define PCI_ASLS 0xfc
+
+#define OPREGION_SZ            (8*1024)
+#define OPREGION_HEADER_OFFSET 0
+#define OPREGION_ACPI_OFFSET   0x100
+#define OPREGION_SWSCI_OFFSET  0x200
+#define OPREGION_ASLE_OFFSET   0x300
+#define OPREGION_VBT_OFFSET    0x1000
+
+#define OPREGION_SIGNATURE "IntelGraphicsMem"
+#define MBOX_ACPI      (1<<0)
+#define MBOX_SWSCI     (1<<1)
+#define MBOX_ASLE      (1<<2)
+
+struct opregion_header {
+       u8 signature[16];
+       u32 size;
+       u32 opregion_ver;
+       u8 bios_ver[32];
+       u8 vbios_ver[16];
+       u8 driver_ver[16];
+       u32 mboxes;
+       u8 reserved[164];
+} __attribute__((packed));
+
+/* OpRegion mailbox #1: public ACPI methods */
+struct opregion_acpi {
+       u32 drdy;       /* driver readiness */
+       u32 csts;       /* notification status */
+       u32 cevt;       /* current event */
+       u8 rsvd1[20];
+       u32 didl[8];    /* supported display devices ID list */
+       u32 cpdl[8];    /* currently presented display list */
+       u32 cadl[8];    /* currently active display list */
+       u32 nadl[8];    /* next active devices list */
+       u32 aslp;       /* ASL sleep time-out */
+       u32 tidx;       /* toggle table index */
+       u32 chpd;       /* current hotplug enable indicator */
+       u32 clid;       /* current lid state*/
+       u32 cdck;       /* current docking state */
+       u32 sxsw;       /* Sx state resume */
+       u32 evts;       /* ASL supported events */
+       u32 cnot;       /* current OS notification */
+       u32 nrdy;       /* driver status */
+       u8 rsvd2[60];
+} __attribute__((packed));
+
+/* OpRegion mailbox #2: SWSCI */
+struct opregion_swsci {
+       u32 scic;       /* SWSCI command|status|data */
+       u32 parm;       /* command parameters */
+       u32 dslp;       /* driver sleep time-out */
+       u8 rsvd[244];
+} __attribute__((packed));
+
+/* OpRegion mailbox #3: ASLE */
+struct opregion_asle {
+       u32 ardy;       /* driver readiness */
+       u32 aslc;       /* ASLE interrupt command */
+       u32 tche;       /* technology enabled indicator */
+       u32 alsi;       /* current ALS illuminance reading */
+       u32 bclp;       /* backlight brightness to set */
+       u32 pfit;       /* panel fitting state */
+       u32 cblv;       /* current brightness level */
+       u16 bclm[20];   /* backlight level duty cycle mapping table */
+       u32 cpfm;       /* current panel fitting mode */
+       u32 epfm;       /* enabled panel fitting modes */
+       u8 plut[74];    /* panel LUT and identifier */
+       u32 pfmb;       /* PWM freq and min brightness */
+       u8 rsvd[102];
+} __attribute__((packed));
+
+/* ASLE irq request bits */
+#define ASLE_SET_ALS_ILLUM     (1 << 0)
+#define ASLE_SET_BACKLIGHT     (1 << 1)
+#define ASLE_SET_PFIT          (1 << 2)
+#define ASLE_SET_PWM_FREQ      (1 << 3)
+#define ASLE_REQ_MSK           0xf
+
+/* response bits of ASLE irq request */
+#define ASLE_ALS_ILLUM_FAIL    (2<<10)
+#define ASLE_BACKLIGHT_FAIL    (2<<12)
+#define ASLE_PFIT_FAIL         (2<<14)
+#define ASLE_PWM_FREQ_FAIL     (2<<16)
+
+/* ASLE backlight brightness to set */
+#define ASLE_BCLP_VALID                (1<<31)
+#define ASLE_BCLP_MSK          (~(1<<31))
+
+/* ASLE panel fitting request */
+#define ASLE_PFIT_VALID         (1<<31)
+#define ASLE_PFIT_CENTER (1<<0)
+#define ASLE_PFIT_STRETCH_TEXT (1<<1)
+#define ASLE_PFIT_STRETCH_GFX (1<<2)
+
+/* PWM frequency and minimum brightness */
+#define ASLE_PFMB_BRIGHTNESS_MASK (0xff)
+#define ASLE_PFMB_BRIGHTNESS_VALID (1<<8)
+#define ASLE_PFMB_PWM_MASK (0x7ffffe00)
+#define ASLE_PFMB_PWM_VALID (1<<31)
+
+#define ASLE_CBLV_VALID         (1<<31)
+
+static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct opregion_asle *asle = dev_priv->opregion.asle;
+	u32 blc_pwm_ctl, blc_pwm_ctl2;
+
+	if (!(bclp & ASLE_BCLP_VALID))
+		return ASLE_BACKLIGHT_FAIL;
+
+	bclp &= ASLE_BCLP_MSK;
+	if (bclp < 0 || bclp > 255)
+		return ASLE_BACKLIGHT_FAIL;
+
+	blc_pwm_ctl = I915_READ(BLC_PWM_CTL);
+	blc_pwm_ctl &= ~BACKLIGHT_DUTY_CYCLE_MASK;
+	blc_pwm_ctl2 = I915_READ(BLC_PWM_CTL2);
+
+	if (blc_pwm_ctl2 & BLM_COMBINATION_MODE)
+		pci_write_config_dword(dev->pdev, PCI_LBPC, bclp);
+	else
+		I915_WRITE(BLC_PWM_CTL, blc_pwm_ctl | ((bclp * 0x101)-1));
+
+	asle->cblv = (bclp*0x64)/0xff | ASLE_CBLV_VALID;
+
+	return 0;
+}
+
+static u32 asle_set_als_illum(struct drm_device *dev, u32 alsi)
+{
+	/* alsi is the current ALS reading in lux. 0 indicates below sensor
+	   range, 0xffff indicates above sensor range. 1-0xfffe are valid */
+	return 0;
+}
+
+static u32 asle_set_pwm_freq(struct drm_device *dev, u32 pfmb)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	if (pfmb & ASLE_PFMB_PWM_VALID) {
+		u32 blc_pwm_ctl = I915_READ(BLC_PWM_CTL);
+		u32 pwm = pfmb & ASLE_PFMB_PWM_MASK;
+		blc_pwm_ctl &= BACKLIGHT_DUTY_CYCLE_MASK;
+		pwm = pwm >> 9;
+		/* FIXME - what do we do with the PWM? */
+	}
+	return 0;
+}
+
+static u32 asle_set_pfit(struct drm_device *dev, u32 pfit)
+{
+	/* Panel fitting is currently controlled by the X code, so this is a
+	   noop until modesetting support works fully */
+	if (!(pfit & ASLE_PFIT_VALID))
+		return ASLE_PFIT_FAIL;
+	return 0;
+}
+
+void opregion_asle_intr(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct opregion_asle *asle = dev_priv->opregion.asle;
+	u32 asle_stat = 0;
+	u32 asle_req;
+
+	if (!asle)
+		return;
+
+	asle_req = asle->aslc & ASLE_REQ_MSK;
+
+	if (!asle_req) {
+		DRM_DEBUG("non asle set request??\n");
+		return;
+	}
+
+	if (asle_req & ASLE_SET_ALS_ILLUM)
+		asle_stat |= asle_set_als_illum(dev, asle->alsi);
+
+	if (asle_req & ASLE_SET_BACKLIGHT)
+		asle_stat |= asle_set_backlight(dev, asle->bclp);
+
+	if (asle_req & ASLE_SET_PFIT)
+		asle_stat |= asle_set_pfit(dev, asle->pfit);
+
+	if (asle_req & ASLE_SET_PWM_FREQ)
+		asle_stat |= asle_set_pwm_freq(dev, asle->pfmb);
+
+	asle->aslc = asle_stat;
+}
+
+#define ASLE_ALS_EN    (1<<0)
+#define ASLE_BLC_EN    (1<<1)
+#define ASLE_PFIT_EN   (1<<2)
+#define ASLE_PFMB_EN   (1<<3)
+
+void opregion_enable_asle(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct opregion_asle *asle = dev_priv->opregion.asle;
+
+	if (asle) {
+		u32 pipeb_stats = I915_READ(PIPEBSTAT);
+		if (IS_MOBILE(dev)) {
+			/* Many devices trigger events with a write to the
+			   legacy backlight controller, so we need to ensure
+			   that it's able to generate interrupts */
+			I915_WRITE(PIPEBSTAT, pipeb_stats |=
+				   I915_LEGACY_BLC_EVENT_ENABLE);
+			i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT |
+					I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
+		} else
+			i915_enable_irq(dev_priv, I915_ASLE_INTERRUPT);
+
+		asle->tche = ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN |
+			ASLE_PFMB_EN;
+		asle->ardy = 1;
+	}
+}
+
+#define ACPI_EV_DISPLAY_SWITCH (1<<0)
+#define ACPI_EV_LID            (1<<1)
+#define ACPI_EV_DOCK           (1<<2)
+
+static struct intel_opregion *system_opregion;
+
+int intel_opregion_video_event(struct notifier_block *nb, unsigned long val,
+			       void *data)
+{
+	/* The only video events relevant to opregion are 0x80. These indicate
+	   either a docking event, lid switch or display switch request. In
+	   Linux, these are handled by the dock, button and video drivers.
+	   We might want to fix the video driver to be opregion-aware in
+	   future, but right now we just indicate to the firmware that the
+	   request has been handled */
+
+	struct opregion_acpi *acpi;
+
+	if (!system_opregion)
+		return NOTIFY_DONE;
+
+	acpi = system_opregion->acpi;
+	acpi->csts = 0;
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block intel_opregion_notifier = {
+	.notifier_call = intel_opregion_video_event,
+};
+
+int intel_opregion_init(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_opregion *opregion = &dev_priv->opregion;
+	void *base;
+	u32 asls, mboxes;
+	int err = 0;
+
+	pci_read_config_dword(dev->pdev, PCI_ASLS, &asls);
+	DRM_DEBUG("graphic opregion physical addr: 0x%x\n", asls);
+	if (asls == 0) {
+		DRM_DEBUG("ACPI OpRegion not supported!\n");
+		return -ENOTSUPP;
+	}
+
+	base = ioremap(asls, OPREGION_SZ);
+	if (!base)
+		return -ENOMEM;
+
+	opregion->header = base;
+	if (memcmp(opregion->header->signature, OPREGION_SIGNATURE, 16)) {
+		DRM_DEBUG("opregion signature mismatch\n");
+		err = -EINVAL;
+		goto err_out;
+	}
+
+	mboxes = opregion->header->mboxes;
+	if (mboxes & MBOX_ACPI) {
+		DRM_DEBUG("Public ACPI methods supported\n");
+		opregion->acpi = base + OPREGION_ACPI_OFFSET;
+	} else {
+		DRM_DEBUG("Public ACPI methods not supported\n");
+		err = -ENOTSUPP;
+		goto err_out;
+	}
+	opregion->enabled = 1;
+
+	if (mboxes & MBOX_SWSCI) {
+		DRM_DEBUG("SWSCI supported\n");
+		opregion->swsci = base + OPREGION_SWSCI_OFFSET;
+	}
+	if (mboxes & MBOX_ASLE) {
+		DRM_DEBUG("ASLE supported\n");
+		opregion->asle = base + OPREGION_ASLE_OFFSET;
+	}
+
+	/* Notify BIOS we are ready to handle ACPI video ext notifs.
+	 * Right now, all the events are handled by the ACPI video module.
+	 * We don't actually need to do anything with them. */
+	opregion->acpi->csts = 0;
+	opregion->acpi->drdy = 1;
+
+	system_opregion = opregion;
+	register_acpi_notifier(&intel_opregion_notifier);
+
+	return 0;
+
+err_out:
+	iounmap(opregion->header);
+	opregion->header = NULL;
+	return err;
+}
+
+void intel_opregion_free(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_opregion *opregion = &dev_priv->opregion;
+
+	if (!opregion->enabled)
+		return;
+
+	opregion->acpi->drdy = 0;
+
+	system_opregion = NULL;
+	unregister_acpi_notifier(&intel_opregion_notifier);
+
+	/* just clear all opregion memory pointers now */
+	iounmap(opregion->header);
+	opregion->header = NULL;
+	opregion->acpi = NULL;
+	opregion->swsci = NULL;
+	opregion->asle = NULL;
+
+	opregion->enabled = 0;
+}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 477c64e6ba2..43ad2cb8b9f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -740,6 +740,7 @@
 #define BLC_PWM_CTL		0x61254
 #define   BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
 #define BLC_PWM_CTL2		0x61250 /* 965+ only */
+#define   BLM_COMBINATION_MODE (1 << 30)
 /*
  * This is the most significant 15 bits of the number of backlight cycles in a
  * complete cycle of the modulated backlight control.
-- 
GitLab


From dfcf96d09cff63c9aaa8e7c98bbc71e5073b1377 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sun, 24 Aug 2008 17:11:22 +1000
Subject: [PATCH 1120/2224] FB_SIS=m, DRM_SIS=y is not a legal configuration.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 610d6fd5bb5..bf9003ee7ab 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -87,6 +87,7 @@ config DRM_MGA
 config DRM_SIS
 	tristate "SiS video cards"
 	depends on DRM && AGP
+	depends on FB_SIS || FB_SIS=n
 	help
 	  Choose this option if you have a SiS 630 or compatible video
           chipset. If M is selected the module will be called sis. AGP
-- 
GitLab


From 38eda21189b414b1520ea7aa0e71220796f7008f Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 2 Sep 2008 10:06:06 +1000
Subject: [PATCH 1121/2224] drm: fix sysfs error path.

Pointed out by Roel Kluin on dri-devel.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index af211a0ef17..1611b9bcbe7 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -184,7 +184,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
 err_out_files:
 	if (i > 0)
 		for (j = 0; j < i; j++)
-			device_remove_file(&minor->kdev, &device_attrs[i]);
+			device_remove_file(&minor->kdev, &device_attrs[j]);
 	device_unregister(&minor->kdev);
 err_out:
 
-- 
GitLab


From 6b79d521e07aae155303a992245abb539974dbaa Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 2 Sep 2008 10:10:16 +1000
Subject: [PATCH 1122/2224] radeon: fix writeback across suspend/resume.

Make writeback not get disabled on resume.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_cp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index 248ab4a7d39..e1678cae9cc 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -626,8 +626,6 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev,
 		     dev_priv->ring.size_l2qw);
 #endif
 
-	/* Start with assuming that writeback doesn't work */
-	dev_priv->writeback_works = 0;
 
 	/* Initialize the scratch register pointer.  This will cause
 	 * the scratch register values to be written out to memory
@@ -674,6 +672,9 @@ static void radeon_test_writeback(drm_radeon_private_t * dev_priv)
 {
 	u32 tmp;
 
+	/* Start with assuming that writeback doesn't work */
+	dev_priv->writeback_works = 0;
+
 	/* Writeback doesn't seem to work everywhere, test it here and possibly
 	 * enable it if it appears to work
 	 */
-- 
GitLab


From 317c35d1446f68b34d4de4e1100fc01680bd4877 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon, 25 Aug 2008 15:11:06 -0700
Subject: [PATCH 1123/2224] separate i915 suspend/resume functions into their
 own file

[Patch against drm-next.  Consider this a trial balloon for our new Linux
development model.]

This is a big chunk of code.  Separating it out makes it easier to change
without churn on the main i915_drv.c file (and there will be churn as we
fix bugs and add things like kernel mode setting).  Also makes it easier
to share this file with BSD.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/Makefile       |   3 +-
 drivers/gpu/drm/i915/i915_drv.c     | 462 +------------------------
 drivers/gpu/drm/i915/i915_drv.h     |  11 +
 drivers/gpu/drm/i915/i915_suspend.c | 509 ++++++++++++++++++++++++++++
 4 files changed, 524 insertions(+), 461 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/i915_suspend.c

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index b032808d9c1..c4bbda662e2 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -3,7 +3,8 @@
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
 ccflags-y := -Iinclude/drm
-i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_opregion.o
+i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_opregion.o \
+          i915_suspend.o
 
 i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index d95eca2bc45..eff66ed3e58 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -38,211 +38,9 @@ static struct pci_device_id pciidlist[] = {
 	i915_PCI_IDS
 };
 
-enum pipe {
-    PIPE_A = 0,
-    PIPE_B,
-};
-
-static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-
-	if (pipe == PIPE_A)
-		return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE);
-	else
-		return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE);
-}
-
-static void i915_save_palette(struct drm_device *dev, enum pipe pipe)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
-	u32 *array;
-	int i;
-
-	if (!i915_pipe_enabled(dev, pipe))
-		return;
-
-	if (pipe == PIPE_A)
-		array = dev_priv->save_palette_a;
-	else
-		array = dev_priv->save_palette_b;
-
-	for(i = 0; i < 256; i++)
-		array[i] = I915_READ(reg + (i << 2));
-}
-
-static void i915_restore_palette(struct drm_device *dev, enum pipe pipe)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
-	u32 *array;
-	int i;
-
-	if (!i915_pipe_enabled(dev, pipe))
-		return;
-
-	if (pipe == PIPE_A)
-		array = dev_priv->save_palette_a;
-	else
-		array = dev_priv->save_palette_b;
-
-	for(i = 0; i < 256; i++)
-		I915_WRITE(reg + (i << 2), array[i]);
-}
-
-static u8 i915_read_indexed(u16 index_port, u16 data_port, u8 reg)
-{
-	outb(reg, index_port);
-	return inb(data_port);
-}
-
-static u8 i915_read_ar(u16 st01, u8 reg, u16 palette_enable)
-{
-	inb(st01);
-	outb(palette_enable | reg, VGA_AR_INDEX);
-	return inb(VGA_AR_DATA_READ);
-}
-
-static void i915_write_ar(u8 st01, u8 reg, u8 val, u16 palette_enable)
-{
-	inb(st01);
-	outb(palette_enable | reg, VGA_AR_INDEX);
-	outb(val, VGA_AR_DATA_WRITE);
-}
-
-static void i915_write_indexed(u16 index_port, u16 data_port, u8 reg, u8 val)
-{
-	outb(reg, index_port);
-	outb(val, data_port);
-}
-
-static void i915_save_vga(struct drm_device *dev)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	int i;
-	u16 cr_index, cr_data, st01;
-
-	/* VGA color palette registers */
-	dev_priv->saveDACMASK = inb(VGA_DACMASK);
-	/* DACCRX automatically increments during read */
-	outb(0, VGA_DACRX);
-	/* Read 3 bytes of color data from each index */
-	for (i = 0; i < 256 * 3; i++)
-		dev_priv->saveDACDATA[i] = inb(VGA_DACDATA);
-
-	/* MSR bits */
-	dev_priv->saveMSR = inb(VGA_MSR_READ);
-	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
-		cr_index = VGA_CR_INDEX_CGA;
-		cr_data = VGA_CR_DATA_CGA;
-		st01 = VGA_ST01_CGA;
-	} else {
-		cr_index = VGA_CR_INDEX_MDA;
-		cr_data = VGA_CR_DATA_MDA;
-		st01 = VGA_ST01_MDA;
-	}
-
-	/* CRT controller regs */
-	i915_write_indexed(cr_index, cr_data, 0x11,
-			   i915_read_indexed(cr_index, cr_data, 0x11) &
-			   (~0x80));
-	for (i = 0; i <= 0x24; i++)
-		dev_priv->saveCR[i] =
-			i915_read_indexed(cr_index, cr_data, i);
-	/* Make sure we don't turn off CR group 0 writes */
-	dev_priv->saveCR[0x11] &= ~0x80;
-
-	/* Attribute controller registers */
-	inb(st01);
-	dev_priv->saveAR_INDEX = inb(VGA_AR_INDEX);
-	for (i = 0; i <= 0x14; i++)
-		dev_priv->saveAR[i] = i915_read_ar(st01, i, 0);
-	inb(st01);
-	outb(dev_priv->saveAR_INDEX, VGA_AR_INDEX);
-	inb(st01);
-
-	/* Graphics controller registers */
-	for (i = 0; i < 9; i++)
-		dev_priv->saveGR[i] =
-			i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, i);
-
-	dev_priv->saveGR[0x10] =
-		i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10);
-	dev_priv->saveGR[0x11] =
-		i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11);
-	dev_priv->saveGR[0x18] =
-		i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18);
-
-	/* Sequencer registers */
-	for (i = 0; i < 8; i++)
-		dev_priv->saveSR[i] =
-			i915_read_indexed(VGA_SR_INDEX, VGA_SR_DATA, i);
-}
-
-static void i915_restore_vga(struct drm_device *dev)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	int i;
-	u16 cr_index, cr_data, st01;
-
-	/* MSR bits */
-	outb(dev_priv->saveMSR, VGA_MSR_WRITE);
-	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
-		cr_index = VGA_CR_INDEX_CGA;
-		cr_data = VGA_CR_DATA_CGA;
-		st01 = VGA_ST01_CGA;
-	} else {
-		cr_index = VGA_CR_INDEX_MDA;
-		cr_data = VGA_CR_DATA_MDA;
-		st01 = VGA_ST01_MDA;
-	}
-
-	/* Sequencer registers, don't write SR07 */
-	for (i = 0; i < 7; i++)
-		i915_write_indexed(VGA_SR_INDEX, VGA_SR_DATA, i,
-				   dev_priv->saveSR[i]);
-
-	/* CRT controller regs */
-	/* Enable CR group 0 writes */
-	i915_write_indexed(cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]);
-	for (i = 0; i <= 0x24; i++)
-		i915_write_indexed(cr_index, cr_data, i, dev_priv->saveCR[i]);
-
-	/* Graphics controller regs */
-	for (i = 0; i < 9; i++)
-		i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, i,
-				   dev_priv->saveGR[i]);
-
-	i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10,
-			   dev_priv->saveGR[0x10]);
-	i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11,
-			   dev_priv->saveGR[0x11]);
-	i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18,
-			   dev_priv->saveGR[0x18]);
-
-	/* Attribute controller registers */
-	inb(st01);
-	for (i = 0; i <= 0x14; i++)
-		i915_write_ar(st01, i, dev_priv->saveAR[i], 0);
-	inb(st01); /* switch back to index mode */
-	outb(dev_priv->saveAR_INDEX | 0x20, VGA_AR_INDEX);
-	inb(st01);
-
-	/* VGA color palette registers */
-	outb(dev_priv->saveDACMASK, VGA_DACMASK);
-	/* DACCRX automatically increments during read */
-	outb(0, VGA_DACWX);
-	/* Read 3 bytes of color data from each index */
-	for (i = 0; i < 256 * 3; i++)
-		outb(dev_priv->saveDACDATA[i], VGA_DACDATA);
-
-}
-
 static int i915_suspend(struct drm_device *dev, pm_message_t state)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int i;
 
 	if (!dev || !dev_priv) {
 		printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
@@ -254,122 +52,8 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 		return 0;
 
 	pci_save_state(dev->pdev);
-	pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
-
-	/* Display arbitration control */
-	dev_priv->saveDSPARB = I915_READ(DSPARB);
-
-	/* Pipe & plane A info */
-	dev_priv->savePIPEACONF = I915_READ(PIPEACONF);
-	dev_priv->savePIPEASRC = I915_READ(PIPEASRC);
-	dev_priv->saveFPA0 = I915_READ(FPA0);
-	dev_priv->saveFPA1 = I915_READ(FPA1);
-	dev_priv->saveDPLL_A = I915_READ(DPLL_A);
-	if (IS_I965G(dev))
-		dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD);
-	dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A);
-	dev_priv->saveHBLANK_A = I915_READ(HBLANK_A);
-	dev_priv->saveHSYNC_A = I915_READ(HSYNC_A);
-	dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A);
-	dev_priv->saveVBLANK_A = I915_READ(VBLANK_A);
-	dev_priv->saveVSYNC_A = I915_READ(VSYNC_A);
-	dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
-
-	dev_priv->saveDSPACNTR = I915_READ(DSPACNTR);
-	dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE);
-	dev_priv->saveDSPASIZE = I915_READ(DSPASIZE);
-	dev_priv->saveDSPAPOS = I915_READ(DSPAPOS);
-	dev_priv->saveDSPAADDR = I915_READ(DSPAADDR);
-	if (IS_I965G(dev)) {
-		dev_priv->saveDSPASURF = I915_READ(DSPASURF);
-		dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF);
-	}
-	i915_save_palette(dev, PIPE_A);
-	dev_priv->savePIPEASTAT = I915_READ(PIPEASTAT);
-
-	/* Pipe & plane B info */
-	dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF);
-	dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC);
-	dev_priv->saveFPB0 = I915_READ(FPB0);
-	dev_priv->saveFPB1 = I915_READ(FPB1);
-	dev_priv->saveDPLL_B = I915_READ(DPLL_B);
-	if (IS_I965G(dev))
-		dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD);
-	dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B);
-	dev_priv->saveHBLANK_B = I915_READ(HBLANK_B);
-	dev_priv->saveHSYNC_B = I915_READ(HSYNC_B);
-	dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B);
-	dev_priv->saveVBLANK_B = I915_READ(VBLANK_B);
-	dev_priv->saveVSYNC_B = I915_READ(VSYNC_B);
-	dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
-
-	dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR);
-	dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE);
-	dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
-	dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
-	dev_priv->saveDSPBADDR = I915_READ(DSPBADDR);
-	if (IS_I965GM(dev) || IS_IGD_GM(dev)) {
-		dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
-		dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
-	}
-	i915_save_palette(dev, PIPE_B);
-	dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT);
-
-	/* CRT state */
-	dev_priv->saveADPA = I915_READ(ADPA);
 
-	/* LVDS state */
-	dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
-	dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS);
-	dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
-	if (IS_I965G(dev))
-		dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2);
-	if (IS_MOBILE(dev) && !IS_I830(dev))
-		dev_priv->saveLVDS = I915_READ(LVDS);
-	if (!IS_I830(dev) && !IS_845G(dev))
-		dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL);
-	dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS);
-	dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS);
-	dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR);
-
-	/* FIXME: save TV & SDVO state */
-
-	/* FBC state */
-	dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE);
-	dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE);
-	dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2);
-	dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
-
-	/* Interrupt state */
-	dev_priv->saveIIR = I915_READ(IIR);
-	dev_priv->saveIER = I915_READ(IER);
-	dev_priv->saveIMR = I915_READ(IMR);
-
-	/* VGA state */
-	dev_priv->saveVGA0 = I915_READ(VGA0);
-	dev_priv->saveVGA1 = I915_READ(VGA1);
-	dev_priv->saveVGA_PD = I915_READ(VGA_PD);
-	dev_priv->saveVGACNTRL = I915_READ(VGACNTRL);
-
-	/* Clock gating state */
-	dev_priv->saveD_STATE = I915_READ(D_STATE);
-	dev_priv->saveCG_2D_DIS = I915_READ(CG_2D_DIS);
-
-	/* Cache mode state */
-	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
-
-	/* Memory Arbitration state */
-	dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
-
-	/* Scratch space */
-	for (i = 0; i < 16; i++) {
-		dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
-		dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
-	}
-	for (i = 0; i < 3; i++)
-		dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
-
-	i915_save_vga(dev);
+	i915_save_state(dev);
 
 	intel_opregion_free(dev);
 
@@ -384,155 +68,13 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 
 static int i915_resume(struct drm_device *dev)
 {
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	int i;
-
 	pci_set_power_state(dev->pdev, PCI_D0);
 	pci_restore_state(dev->pdev);
 	if (pci_enable_device(dev->pdev))
 		return -1;
 	pci_set_master(dev->pdev);
 
-	pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
-
-	I915_WRITE(DSPARB, dev_priv->saveDSPARB);
-
-	/* Pipe & plane A info */
-	/* Prime the clock */
-	if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {
-		I915_WRITE(DPLL_A, dev_priv->saveDPLL_A &
-			   ~DPLL_VCO_ENABLE);
-		udelay(150);
-	}
-	I915_WRITE(FPA0, dev_priv->saveFPA0);
-	I915_WRITE(FPA1, dev_priv->saveFPA1);
-	/* Actually enable it */
-	I915_WRITE(DPLL_A, dev_priv->saveDPLL_A);
-	udelay(150);
-	if (IS_I965G(dev))
-		I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD);
-	udelay(150);
-
-	/* Restore mode */
-	I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A);
-	I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A);
-	I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A);
-	I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A);
-	I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A);
-	I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A);
-	I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A);
-
-	/* Restore plane info */
-	I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE);
-	I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS);
-	I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC);
-	I915_WRITE(DSPAADDR, dev_priv->saveDSPAADDR);
-	I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE);
-	if (IS_I965G(dev)) {
-		I915_WRITE(DSPASURF, dev_priv->saveDSPASURF);
-		I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF);
-	}
-
-	I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF);
-
-	i915_restore_palette(dev, PIPE_A);
-	/* Enable the plane */
-	I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR);
-	I915_WRITE(DSPAADDR, I915_READ(DSPAADDR));
-
-	/* Pipe & plane B info */
-	if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
-		I915_WRITE(DPLL_B, dev_priv->saveDPLL_B &
-			   ~DPLL_VCO_ENABLE);
-		udelay(150);
-	}
-	I915_WRITE(FPB0, dev_priv->saveFPB0);
-	I915_WRITE(FPB1, dev_priv->saveFPB1);
-	/* Actually enable it */
-	I915_WRITE(DPLL_B, dev_priv->saveDPLL_B);
-	udelay(150);
-	if (IS_I965G(dev))
-		I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD);
-	udelay(150);
-
-	/* Restore mode */
-	I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B);
-	I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B);
-	I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B);
-	I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B);
-	I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B);
-	I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B);
-	I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B);
-
-	/* Restore plane info */
-	I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE);
-	I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS);
-	I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC);
-	I915_WRITE(DSPBADDR, dev_priv->saveDSPBADDR);
-	I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
-	if (IS_I965G(dev)) {
-		I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF);
-		I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF);
-	}
-
-	I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF);
-
-	i915_restore_palette(dev, PIPE_B);
-	/* Enable the plane */
-	I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
-	I915_WRITE(DSPBADDR, I915_READ(DSPBADDR));
-
-	/* CRT state */
-	I915_WRITE(ADPA, dev_priv->saveADPA);
-
-	/* LVDS state */
-	if (IS_I965G(dev))
-		I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2);
-	if (IS_MOBILE(dev) && !IS_I830(dev))
-		I915_WRITE(LVDS, dev_priv->saveLVDS);
-	if (!IS_I830(dev) && !IS_845G(dev))
-		I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL);
-
-	I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
-	I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
-	I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS);
-	I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
-	I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);
-	I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
-
-	/* FIXME: restore TV & SDVO state */
-
-	/* FBC info */
-	I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE);
-	I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE);
-	I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2);
-	I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL);
-
-	/* VGA state */
-	I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL);
-	I915_WRITE(VGA0, dev_priv->saveVGA0);
-	I915_WRITE(VGA1, dev_priv->saveVGA1);
-	I915_WRITE(VGA_PD, dev_priv->saveVGA_PD);
-	udelay(150);
-
-	/* Clock gating state */
-	I915_WRITE (D_STATE, dev_priv->saveD_STATE);
-	I915_WRITE(CG_2D_DIS, dev_priv->saveCG_2D_DIS);
-
-	/* Cache mode state */
-	I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
-
-	/* Memory arbitration state */
-	I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000);
-
-	for (i = 0; i < 16; i++) {
-		I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]);
-		I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
-	}
-	for (i = 0; i < 3; i++)
-		I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
-
-	i915_restore_vga(dev);
+	i915_restore_state(dev);
 
 	intel_opregion_init(dev);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e4bd01c511a..a82b487de7b 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -41,6 +41,11 @@
 #define DRIVER_DESC		"Intel Graphics"
 #define DRIVER_DATE		"20060119"
 
+enum pipe {
+	PIPE_A = 0,
+	PIPE_B,
+};
+
 /* Interface history:
  *
  * 1.1: Original.
@@ -269,6 +274,10 @@ extern void i915_mem_takedown(struct mem_block **heap);
 extern void i915_mem_release(struct drm_device * dev,
 			     struct drm_file *file_priv, struct mem_block *heap);
 
+/* i915_suspend.c */
+extern int i915_save_state(struct drm_device *dev);
+extern int i915_restore_state(struct drm_device *dev);
+
 /* i915_opregion.c */
 extern int intel_opregion_init(struct drm_device *dev);
 extern void intel_opregion_free(struct drm_device *dev);
@@ -279,6 +288,8 @@ extern void opregion_enable_asle(struct drm_device *dev);
 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
 #define I915_READ16(reg)	DRM_READ16(dev_priv->mmio_map, (reg))
 #define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
+#define I915_READ8(reg)		DRM_READ8(dev_priv->mmio_map, (reg))
+#define I915_WRITE8(reg,val)	DRM_WRITE8(dev_priv->mmio_map, (reg), (val))
 
 #define I915_VERBOSE 0
 
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
new file mode 100644
index 00000000000..e0c1fe4d1b8
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -0,0 +1,509 @@
+/*
+ *
+ * Copyright 2008 (c) Intel Corporation
+ *   Jesse Barnes <jbarnes@virtuousgeek.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (pipe == PIPE_A)
+		return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE);
+	else
+		return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE);
+}
+
+static void i915_save_palette(struct drm_device *dev, enum pipe pipe)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
+	u32 *array;
+	int i;
+
+	if (!i915_pipe_enabled(dev, pipe))
+		return;
+
+	if (pipe == PIPE_A)
+		array = dev_priv->save_palette_a;
+	else
+		array = dev_priv->save_palette_b;
+
+	for(i = 0; i < 256; i++)
+		array[i] = I915_READ(reg + (i << 2));
+}
+
+static void i915_restore_palette(struct drm_device *dev, enum pipe pipe)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
+	u32 *array;
+	int i;
+
+	if (!i915_pipe_enabled(dev, pipe))
+		return;
+
+	if (pipe == PIPE_A)
+		array = dev_priv->save_palette_a;
+	else
+		array = dev_priv->save_palette_b;
+
+	for(i = 0; i < 256; i++)
+		I915_WRITE(reg + (i << 2), array[i]);
+}
+
+static u8 i915_read_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	I915_WRITE8(index_port, reg);
+	return I915_READ8(data_port);
+}
+
+static u8 i915_read_ar(struct drm_device *dev, u16 st01, u8 reg, u16 palette_enable)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	I915_READ8(st01);
+	I915_WRITE8(VGA_AR_INDEX, palette_enable | reg);
+	return I915_READ8(VGA_AR_DATA_READ);
+}
+
+static void i915_write_ar(struct drm_device *dev, u16 st01, u8 reg, u8 val, u16 palette_enable)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	I915_READ8(st01);
+	I915_WRITE8(VGA_AR_INDEX, palette_enable | reg);
+	I915_WRITE8(VGA_AR_DATA_WRITE, val);
+}
+
+static void i915_write_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg, u8 val)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	I915_WRITE8(index_port, reg);
+	I915_WRITE8(data_port, val);
+}
+
+static void i915_save_vga(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	int i;
+	u16 cr_index, cr_data, st01;
+
+	/* VGA color palette registers */
+	dev_priv->saveDACMASK = I915_READ8(VGA_DACMASK);
+	/* DACCRX automatically increments during read */
+	I915_WRITE8(VGA_DACRX, 0);
+	/* Read 3 bytes of color data from each index */
+	for (i = 0; i < 256 * 3; i++)
+		dev_priv->saveDACDATA[i] = I915_READ8(VGA_DACDATA);
+
+	/* MSR bits */
+	dev_priv->saveMSR = I915_READ8(VGA_MSR_READ);
+	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
+		cr_index = VGA_CR_INDEX_CGA;
+		cr_data = VGA_CR_DATA_CGA;
+		st01 = VGA_ST01_CGA;
+	} else {
+		cr_index = VGA_CR_INDEX_MDA;
+		cr_data = VGA_CR_DATA_MDA;
+		st01 = VGA_ST01_MDA;
+	}
+
+	/* CRT controller regs */
+	i915_write_indexed(dev, cr_index, cr_data, 0x11,
+			   i915_read_indexed(dev, cr_index, cr_data, 0x11) &
+			   (~0x80));
+	for (i = 0; i <= 0x24; i++)
+		dev_priv->saveCR[i] =
+			i915_read_indexed(dev, cr_index, cr_data, i);
+	/* Make sure we don't turn off CR group 0 writes */
+	dev_priv->saveCR[0x11] &= ~0x80;
+
+	/* Attribute controller registers */
+	I915_READ8(st01);
+	dev_priv->saveAR_INDEX = I915_READ8(VGA_AR_INDEX);
+	for (i = 0; i <= 0x14; i++)
+		dev_priv->saveAR[i] = i915_read_ar(dev, st01, i, 0);
+	I915_READ8(st01);
+	I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX);
+	I915_READ8(st01);
+
+	/* Graphics controller registers */
+	for (i = 0; i < 9; i++)
+		dev_priv->saveGR[i] =
+			i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i);
+
+	dev_priv->saveGR[0x10] =
+		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10);
+	dev_priv->saveGR[0x11] =
+		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11);
+	dev_priv->saveGR[0x18] =
+		i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18);
+
+	/* Sequencer registers */
+	for (i = 0; i < 8; i++)
+		dev_priv->saveSR[i] =
+			i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i);
+}
+
+static void i915_restore_vga(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	int i;
+	u16 cr_index, cr_data, st01;
+
+	/* MSR bits */
+	I915_WRITE8(VGA_MSR_WRITE, dev_priv->saveMSR);
+	if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
+		cr_index = VGA_CR_INDEX_CGA;
+		cr_data = VGA_CR_DATA_CGA;
+		st01 = VGA_ST01_CGA;
+	} else {
+		cr_index = VGA_CR_INDEX_MDA;
+		cr_data = VGA_CR_DATA_MDA;
+		st01 = VGA_ST01_MDA;
+	}
+
+	/* Sequencer registers, don't write SR07 */
+	for (i = 0; i < 7; i++)
+		i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i,
+				   dev_priv->saveSR[i]);
+
+	/* CRT controller regs */
+	/* Enable CR group 0 writes */
+	i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]);
+	for (i = 0; i <= 0x24; i++)
+		i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->saveCR[i]);
+
+	/* Graphics controller regs */
+	for (i = 0; i < 9; i++)
+		i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i,
+				   dev_priv->saveGR[i]);
+
+	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10,
+			   dev_priv->saveGR[0x10]);
+	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11,
+			   dev_priv->saveGR[0x11]);
+	i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18,
+			   dev_priv->saveGR[0x18]);
+
+	/* Attribute controller registers */
+	I915_READ8(st01); /* switch back to index mode */
+	for (i = 0; i <= 0x14; i++)
+		i915_write_ar(dev, st01, i, dev_priv->saveAR[i], 0);
+	I915_READ8(st01); /* switch back to index mode */
+	I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX | 0x20);
+	I915_READ8(st01);
+
+	/* VGA color palette registers */
+	I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK);
+	/* DACCRX automatically increments during read */
+	I915_WRITE8(VGA_DACWX, 0);
+	/* Read 3 bytes of color data from each index */
+	for (i = 0; i < 256 * 3; i++)
+		I915_WRITE8(VGA_DACDATA, dev_priv->saveDACDATA[i]);
+
+}
+
+int i915_save_state(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	int i;
+
+	pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
+
+	/* Display arbitration control */
+	dev_priv->saveDSPARB = I915_READ(DSPARB);
+
+	/* Pipe & plane A info */
+	dev_priv->savePIPEACONF = I915_READ(PIPEACONF);
+	dev_priv->savePIPEASRC = I915_READ(PIPEASRC);
+	dev_priv->saveFPA0 = I915_READ(FPA0);
+	dev_priv->saveFPA1 = I915_READ(FPA1);
+	dev_priv->saveDPLL_A = I915_READ(DPLL_A);
+	if (IS_I965G(dev))
+		dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD);
+	dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A);
+	dev_priv->saveHBLANK_A = I915_READ(HBLANK_A);
+	dev_priv->saveHSYNC_A = I915_READ(HSYNC_A);
+	dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A);
+	dev_priv->saveVBLANK_A = I915_READ(VBLANK_A);
+	dev_priv->saveVSYNC_A = I915_READ(VSYNC_A);
+	dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
+
+	dev_priv->saveDSPACNTR = I915_READ(DSPACNTR);
+	dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE);
+	dev_priv->saveDSPASIZE = I915_READ(DSPASIZE);
+	dev_priv->saveDSPAPOS = I915_READ(DSPAPOS);
+	dev_priv->saveDSPAADDR = I915_READ(DSPAADDR);
+	if (IS_I965G(dev)) {
+		dev_priv->saveDSPASURF = I915_READ(DSPASURF);
+		dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF);
+	}
+	i915_save_palette(dev, PIPE_A);
+	dev_priv->savePIPEASTAT = I915_READ(PIPEASTAT);
+
+	/* Pipe & plane B info */
+	dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF);
+	dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC);
+	dev_priv->saveFPB0 = I915_READ(FPB0);
+	dev_priv->saveFPB1 = I915_READ(FPB1);
+	dev_priv->saveDPLL_B = I915_READ(DPLL_B);
+	if (IS_I965G(dev))
+		dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD);
+	dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B);
+	dev_priv->saveHBLANK_B = I915_READ(HBLANK_B);
+	dev_priv->saveHSYNC_B = I915_READ(HSYNC_B);
+	dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B);
+	dev_priv->saveVBLANK_B = I915_READ(VBLANK_B);
+	dev_priv->saveVSYNC_B = I915_READ(VSYNC_B);
+	dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
+
+	dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR);
+	dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE);
+	dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
+	dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
+	dev_priv->saveDSPBADDR = I915_READ(DSPBADDR);
+	if (IS_I965GM(dev) || IS_IGD_GM(dev)) {
+		dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
+		dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
+	}
+	i915_save_palette(dev, PIPE_B);
+	dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT);
+
+	/* CRT state */
+	dev_priv->saveADPA = I915_READ(ADPA);
+
+	/* LVDS state */
+	dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
+	dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS);
+	dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+	if (IS_I965G(dev))
+		dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2);
+	if (IS_MOBILE(dev) && !IS_I830(dev))
+		dev_priv->saveLVDS = I915_READ(LVDS);
+	if (!IS_I830(dev) && !IS_845G(dev))
+		dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL);
+	dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS);
+	dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS);
+	dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR);
+
+	/* FIXME: save TV & SDVO state */
+
+	/* FBC state */
+	dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE);
+	dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE);
+	dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2);
+	dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
+
+	/* Interrupt state */
+	dev_priv->saveIIR = I915_READ(IIR);
+	dev_priv->saveIER = I915_READ(IER);
+	dev_priv->saveIMR = I915_READ(IMR);
+
+	/* VGA state */
+	dev_priv->saveVGA0 = I915_READ(VGA0);
+	dev_priv->saveVGA1 = I915_READ(VGA1);
+	dev_priv->saveVGA_PD = I915_READ(VGA_PD);
+	dev_priv->saveVGACNTRL = I915_READ(VGACNTRL);
+
+	/* Clock gating state */
+	dev_priv->saveD_STATE = I915_READ(D_STATE);
+	dev_priv->saveCG_2D_DIS = I915_READ(CG_2D_DIS);
+
+	/* Cache mode state */
+	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
+
+	/* Memory Arbitration state */
+	dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE);
+
+	/* Scratch space */
+	for (i = 0; i < 16; i++) {
+		dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2));
+		dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
+	}
+	for (i = 0; i < 3; i++)
+		dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
+
+	i915_save_vga(dev);
+
+	return 0;
+}
+
+int i915_restore_state(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	int i;
+
+	pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
+
+	I915_WRITE(DSPARB, dev_priv->saveDSPARB);
+
+	/* Pipe & plane A info */
+	/* Prime the clock */
+	if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {
+		I915_WRITE(DPLL_A, dev_priv->saveDPLL_A &
+			   ~DPLL_VCO_ENABLE);
+		DRM_UDELAY(150);
+	}
+	I915_WRITE(FPA0, dev_priv->saveFPA0);
+	I915_WRITE(FPA1, dev_priv->saveFPA1);
+	/* Actually enable it */
+	I915_WRITE(DPLL_A, dev_priv->saveDPLL_A);
+	DRM_UDELAY(150);
+	if (IS_I965G(dev))
+		I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD);
+	DRM_UDELAY(150);
+
+	/* Restore mode */
+	I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A);
+	I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A);
+	I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A);
+	I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A);
+	I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A);
+	I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A);
+	I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A);
+
+	/* Restore plane info */
+	I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE);
+	I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS);
+	I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC);
+	I915_WRITE(DSPAADDR, dev_priv->saveDSPAADDR);
+	I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE);
+	if (IS_I965G(dev)) {
+		I915_WRITE(DSPASURF, dev_priv->saveDSPASURF);
+		I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF);
+	}
+
+	I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF);
+
+	i915_restore_palette(dev, PIPE_A);
+	/* Enable the plane */
+	I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR);
+	I915_WRITE(DSPAADDR, I915_READ(DSPAADDR));
+
+	/* Pipe & plane B info */
+	if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
+		I915_WRITE(DPLL_B, dev_priv->saveDPLL_B &
+			   ~DPLL_VCO_ENABLE);
+		DRM_UDELAY(150);
+	}
+	I915_WRITE(FPB0, dev_priv->saveFPB0);
+	I915_WRITE(FPB1, dev_priv->saveFPB1);
+	/* Actually enable it */
+	I915_WRITE(DPLL_B, dev_priv->saveDPLL_B);
+	DRM_UDELAY(150);
+	if (IS_I965G(dev))
+		I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD);
+	DRM_UDELAY(150);
+
+	/* Restore mode */
+	I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B);
+	I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B);
+	I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B);
+	I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B);
+	I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B);
+	I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B);
+	I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B);
+
+	/* Restore plane info */
+	I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE);
+	I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS);
+	I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC);
+	I915_WRITE(DSPBADDR, dev_priv->saveDSPBADDR);
+	I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
+	if (IS_I965G(dev)) {
+		I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF);
+		I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF);
+	}
+
+	I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF);
+
+	i915_restore_palette(dev, PIPE_B);
+	/* Enable the plane */
+	I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
+	I915_WRITE(DSPBADDR, I915_READ(DSPBADDR));
+
+	/* CRT state */
+	I915_WRITE(ADPA, dev_priv->saveADPA);
+
+	/* LVDS state */
+	if (IS_I965G(dev))
+		I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2);
+	if (IS_MOBILE(dev) && !IS_I830(dev))
+		I915_WRITE(LVDS, dev_priv->saveLVDS);
+	if (!IS_I830(dev) && !IS_845G(dev))
+		I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL);
+
+	I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
+	I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
+	I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS);
+	I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
+	I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);
+	I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
+
+	/* FIXME: restore TV & SDVO state */
+
+	/* FBC info */
+	I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE);
+	I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE);
+	I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2);
+	I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL);
+
+	/* VGA state */
+	I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL);
+	I915_WRITE(VGA0, dev_priv->saveVGA0);
+	I915_WRITE(VGA1, dev_priv->saveVGA1);
+	I915_WRITE(VGA_PD, dev_priv->saveVGA_PD);
+	DRM_UDELAY(150);
+
+	/* Clock gating state */
+	I915_WRITE (D_STATE, dev_priv->saveD_STATE);
+	I915_WRITE (CG_2D_DIS, dev_priv->saveCG_2D_DIS);
+
+	/* Cache mode state */
+	I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
+
+	/* Memory arbitration state */
+	I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000);
+
+	for (i = 0; i < 16; i++) {
+		I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]);
+		I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
+	}
+	for (i = 0; i < 3; i++)
+		I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
+
+	i915_restore_vga(dev);
+
+	return 0;
+}
+
-- 
GitLab


From b9bfdfe6703eb089839d48316a79c84924a3c335 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon, 25 Aug 2008 15:16:19 -0700
Subject: [PATCH 1124/2224] new chip name is GM45

Author: Zhenyu Wang <zhenyu.z.wang@intel.com>

i915: official name for GM45 chipset

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_drv.h     | 6 +++---
 drivers/gpu/drm/i915/i915_suspend.c | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a82b487de7b..71326ca9367 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -364,7 +364,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 
 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
 
-#define IS_IGD_GM(dev) ((dev)->pci_device == 0x2A42)
+#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
 
 #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
 		     (dev)->pci_device == 0x2E12 || \
@@ -378,9 +378,9 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 		      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
 
 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
-			IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev))
+			IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
 
-#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev) || IS_G4X(dev))
+#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
 
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
 
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index e0c1fe4d1b8..603fe742ccd 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -292,7 +292,7 @@ int i915_save_state(struct drm_device *dev)
 	dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
 	dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
 	dev_priv->saveDSPBADDR = I915_READ(DSPBADDR);
-	if (IS_I965GM(dev) || IS_IGD_GM(dev)) {
+	if (IS_I965GM(dev) || IS_GM45(dev)) {
 		dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
 		dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
 	}
-- 
GitLab


From 2df68b439fcb97a4c55f81516206ef4ee325e28d Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Tue, 2 Sep 2008 11:03:14 +1000
Subject: [PATCH 1125/2224] drm/cred: wrap task credential accesses in the drm
 driver.

Wrap access to task credentials so that they can be separated more easily from
the task_struct during the introduction of COW creds.

Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id().

Change some task->e?[ug]id to task_e?[ug]id().  In some places it makes more
sense to use RCU directly rather than a convenient wrapper; these will be
addressed by later patches.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: David Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_fops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 851a53f1acc..dcf8b4dc954 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -246,7 +246,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
 	memset(priv, 0, sizeof(*priv));
 	filp->private_data = priv;
 	priv->filp = filp;
-	priv->uid = current->euid;
+	priv->uid = current_euid();
 	priv->pid = task_pid_nr(current);
 	priv->minor = idr_find(&drm_minors_idr, minor_id);
 	priv->ioctl_count = 0;
-- 
GitLab


From 0a3e67a4caac273a3bfc4ced3da364830b1ab241 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue, 30 Sep 2008 12:14:26 -0700
Subject: [PATCH 1126/2224] drm: Rework vblank-wait handling to allow interrupt
 reduction.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Previously, drivers supporting vblank interrupt waits would run the interrupt
all the time, or all the time that any 3d client was running, preventing the
CPU from sleeping for long when the system was otherwise idle.  Now, interrupts
are disabled any time that no client is waiting on a vblank event. The new
method uses vblank counters on the chipsets when the interrupts are turned
off, rather than counting interrupts, so that we can continue to present
accurate vblank numbers.

Co-author: Michel Dänzer <michel@tungstengraphics.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_drv.c           |   2 +
 drivers/gpu/drm/drm_irq.c           | 447 +++++++++++++++++++++++-----
 drivers/gpu/drm/i915/i915_dma.c     |   5 +-
 drivers/gpu/drm/i915/i915_drv.c     |  11 +-
 drivers/gpu/drm/i915/i915_drv.h     |  20 +-
 drivers/gpu/drm/i915/i915_irq.c     | 395 ++++++++++++++++--------
 drivers/gpu/drm/mga/mga_drv.c       |  29 +-
 drivers/gpu/drm/mga/mga_drv.h       |   6 +-
 drivers/gpu/drm/mga/mga_irq.c       |  74 +++--
 drivers/gpu/drm/r128/r128_drv.c     |  29 +-
 drivers/gpu/drm/r128/r128_drv.h     |  11 +-
 drivers/gpu/drm/r128/r128_irq.c     |  55 ++--
 drivers/gpu/drm/radeon/radeon_cp.c  |   2 +-
 drivers/gpu/drm/radeon/radeon_drv.c |  32 +-
 drivers/gpu/drm/radeon/radeon_drv.h |  27 +-
 drivers/gpu/drm/radeon/radeon_irq.c | 268 ++++++++++-------
 drivers/gpu/drm/via/via_drv.c       |  26 +-
 drivers/gpu/drm/via/via_drv.h       |  16 +-
 drivers/gpu/drm/via/via_irq.c       | 102 ++++---
 include/drm/drm.h                   |  15 +
 include/drm/drmP.h                  |  90 +++++-
 21 files changed, 1189 insertions(+), 473 deletions(-)

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 452c2d866ec..fb45fe7aeb8 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -116,6 +116,8 @@ static struct drm_ioctl_desc drm_ioctls[] = {
 
 	DRM_IOCTL_DEF(DRM_IOCTL_WAIT_VBLANK, drm_wait_vblank, 0),
 
+	DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0),
+
 	DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 };
 
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 61ed5158f78..d0c13d954f5 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -71,19 +71,131 @@ int drm_irq_by_busid(struct drm_device *dev, void *data,
 	return 0;
 }
 
+static void vblank_disable_fn(unsigned long arg)
+{
+	struct drm_device *dev = (struct drm_device *)arg;
+	unsigned long irqflags;
+	int i;
+
+	if (!dev->vblank_disable_allowed)
+		return;
+
+	for (i = 0; i < dev->num_crtcs; i++) {
+		spin_lock_irqsave(&dev->vbl_lock, irqflags);
+		if (atomic_read(&dev->vblank_refcount[i]) == 0 &&
+		    dev->vblank_enabled[i]) {
+			DRM_DEBUG("disabling vblank on crtc %d\n", i);
+			dev->last_vblank[i] =
+				dev->driver->get_vblank_counter(dev, i);
+			dev->driver->disable_vblank(dev, i);
+			dev->vblank_enabled[i] = 0;
+		}
+		spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
+	}
+}
+
+static void drm_vblank_cleanup(struct drm_device *dev)
+{
+	/* Bail if the driver didn't call drm_vblank_init() */
+	if (dev->num_crtcs == 0)
+		return;
+
+	del_timer(&dev->vblank_disable_timer);
+
+	vblank_disable_fn((unsigned long)dev);
+
+	drm_free(dev->vbl_queue, sizeof(*dev->vbl_queue) * dev->num_crtcs,
+		 DRM_MEM_DRIVER);
+	drm_free(dev->vbl_sigs, sizeof(*dev->vbl_sigs) * dev->num_crtcs,
+		 DRM_MEM_DRIVER);
+	drm_free(dev->_vblank_count, sizeof(*dev->_vblank_count) *
+		 dev->num_crtcs, DRM_MEM_DRIVER);
+	drm_free(dev->vblank_refcount, sizeof(*dev->vblank_refcount) *
+		 dev->num_crtcs, DRM_MEM_DRIVER);
+	drm_free(dev->vblank_enabled, sizeof(*dev->vblank_enabled) *
+		 dev->num_crtcs, DRM_MEM_DRIVER);
+	drm_free(dev->last_vblank, sizeof(*dev->last_vblank) * dev->num_crtcs,
+		 DRM_MEM_DRIVER);
+	drm_free(dev->vblank_inmodeset, sizeof(*dev->vblank_inmodeset) *
+		 dev->num_crtcs, DRM_MEM_DRIVER);
+
+	dev->num_crtcs = 0;
+}
+
+int drm_vblank_init(struct drm_device *dev, int num_crtcs)
+{
+	int i, ret = -ENOMEM;
+
+	setup_timer(&dev->vblank_disable_timer, vblank_disable_fn,
+		    (unsigned long)dev);
+	spin_lock_init(&dev->vbl_lock);
+	atomic_set(&dev->vbl_signal_pending, 0);
+	dev->num_crtcs = num_crtcs;
+
+	dev->vbl_queue = drm_alloc(sizeof(wait_queue_head_t) * num_crtcs,
+				   DRM_MEM_DRIVER);
+	if (!dev->vbl_queue)
+		goto err;
+
+	dev->vbl_sigs = drm_alloc(sizeof(struct list_head) * num_crtcs,
+				  DRM_MEM_DRIVER);
+	if (!dev->vbl_sigs)
+		goto err;
+
+	dev->_vblank_count = drm_alloc(sizeof(atomic_t) * num_crtcs,
+				      DRM_MEM_DRIVER);
+	if (!dev->_vblank_count)
+		goto err;
+
+	dev->vblank_refcount = drm_alloc(sizeof(atomic_t) * num_crtcs,
+					 DRM_MEM_DRIVER);
+	if (!dev->vblank_refcount)
+		goto err;
+
+	dev->vblank_enabled = drm_calloc(num_crtcs, sizeof(int),
+					 DRM_MEM_DRIVER);
+	if (!dev->vblank_enabled)
+		goto err;
+
+	dev->last_vblank = drm_calloc(num_crtcs, sizeof(u32), DRM_MEM_DRIVER);
+	if (!dev->last_vblank)
+		goto err;
+
+	dev->vblank_inmodeset = drm_calloc(num_crtcs, sizeof(int),
+					 DRM_MEM_DRIVER);
+	if (!dev->vblank_inmodeset)
+		goto err;
+
+	/* Zero per-crtc vblank stuff */
+	for (i = 0; i < num_crtcs; i++) {
+		init_waitqueue_head(&dev->vbl_queue[i]);
+		INIT_LIST_HEAD(&dev->vbl_sigs[i]);
+		atomic_set(&dev->_vblank_count[i], 0);
+		atomic_set(&dev->vblank_refcount[i], 0);
+	}
+
+	dev->vblank_disable_allowed = 0;
+
+	return 0;
+
+err:
+	drm_vblank_cleanup(dev);
+	return ret;
+}
+EXPORT_SYMBOL(drm_vblank_init);
+
 /**
  * Install IRQ handler.
  *
  * \param dev DRM device.
- * \param irq IRQ number.
  *
- * Initializes the IRQ related data, and setups drm_device::vbl_queue. Installs the handler, calling the driver
+ * Initializes the IRQ related data. Installs the handler, calling the driver
  * \c drm_driver_irq_preinstall() and \c drm_driver_irq_postinstall() functions
  * before and after the installation.
  */
-static int drm_irq_install(struct drm_device * dev)
+int drm_irq_install(struct drm_device *dev)
 {
-	int ret;
+	int ret = 0;
 	unsigned long sh_flags = 0;
 
 	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
@@ -109,17 +221,6 @@ static int drm_irq_install(struct drm_device * dev)
 
 	DRM_DEBUG("irq=%d\n", dev->pdev->irq);
 
-	if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) {
-		init_waitqueue_head(&dev->vbl_queue);
-
-		spin_lock_init(&dev->vbl_lock);
-
-		INIT_LIST_HEAD(&dev->vbl_sigs);
-		INIT_LIST_HEAD(&dev->vbl_sigs2);
-
-		dev->vbl_pending = 0;
-	}
-
 	/* Before installing handler */
 	dev->driver->irq_preinstall(dev);
 
@@ -141,10 +242,16 @@ static int drm_irq_install(struct drm_device * dev)
 	}
 
 	/* After installing handler */
-	dev->driver->irq_postinstall(dev);
+	ret = dev->driver->irq_postinstall(dev);
+	if (ret < 0) {
+		mutex_lock(&dev->struct_mutex);
+		dev->irq_enabled = 0;
+		mutex_unlock(&dev->struct_mutex);
+	}
 
-	return 0;
+	return ret;
 }
+EXPORT_SYMBOL(drm_irq_install);
 
 /**
  * Uninstall the IRQ handler.
@@ -174,11 +281,12 @@ int drm_irq_uninstall(struct drm_device * dev)
 
 	free_irq(dev->pdev->irq, dev);
 
+	drm_vblank_cleanup(dev);
+
 	dev->locked_tasklet_func = NULL;
 
 	return 0;
 }
-
 EXPORT_SYMBOL(drm_irq_uninstall);
 
 /**
@@ -217,6 +325,174 @@ int drm_control(struct drm_device *dev, void *data,
 	}
 }
 
+/**
+ * drm_vblank_count - retrieve "cooked" vblank counter value
+ * @dev: DRM device
+ * @crtc: which counter to retrieve
+ *
+ * Fetches the "cooked" vblank count value that represents the number of
+ * vblank events since the system was booted, including lost events due to
+ * modesetting activity.
+ */
+u32 drm_vblank_count(struct drm_device *dev, int crtc)
+{
+	return atomic_read(&dev->_vblank_count[crtc]);
+}
+EXPORT_SYMBOL(drm_vblank_count);
+
+/**
+ * drm_update_vblank_count - update the master vblank counter
+ * @dev: DRM device
+ * @crtc: counter to update
+ *
+ * Call back into the driver to update the appropriate vblank counter
+ * (specified by @crtc).  Deal with wraparound, if it occurred, and
+ * update the last read value so we can deal with wraparound on the next
+ * call if necessary.
+ *
+ * Only necessary when going from off->on, to account for frames we
+ * didn't get an interrupt for.
+ *
+ * Note: caller must hold dev->vbl_lock since this reads & writes
+ * device vblank fields.
+ */
+static void drm_update_vblank_count(struct drm_device *dev, int crtc)
+{
+	u32 cur_vblank, diff;
+
+	/*
+	 * Interrupts were disabled prior to this call, so deal with counter
+	 * wrap if needed.
+	 * NOTE!  It's possible we lost a full dev->max_vblank_count events
+	 * here if the register is small or we had vblank interrupts off for
+	 * a long time.
+	 */
+	cur_vblank = dev->driver->get_vblank_counter(dev, crtc);
+	diff = cur_vblank - dev->last_vblank[crtc];
+	if (cur_vblank < dev->last_vblank[crtc]) {
+		diff += dev->max_vblank_count;
+
+		DRM_DEBUG("last_vblank[%d]=0x%x, cur_vblank=0x%x => diff=0x%x\n",
+			  crtc, dev->last_vblank[crtc], cur_vblank, diff);
+	}
+
+	DRM_DEBUG("enabling vblank interrupts on crtc %d, missed %d\n",
+		  crtc, diff);
+
+	atomic_add(diff, &dev->_vblank_count[crtc]);
+}
+
+/**
+ * drm_vblank_get - get a reference count on vblank events
+ * @dev: DRM device
+ * @crtc: which CRTC to own
+ *
+ * Acquire a reference count on vblank events to avoid having them disabled
+ * while in use.
+ *
+ * RETURNS
+ * Zero on success, nonzero on failure.
+ */
+int drm_vblank_get(struct drm_device *dev, int crtc)
+{
+	unsigned long irqflags;
+	int ret = 0;
+
+	spin_lock_irqsave(&dev->vbl_lock, irqflags);
+	/* Going from 0->1 means we have to enable interrupts again */
+	if (atomic_add_return(1, &dev->vblank_refcount[crtc]) == 1 &&
+	    !dev->vblank_enabled[crtc]) {
+		ret = dev->driver->enable_vblank(dev, crtc);
+		DRM_DEBUG("enabling vblank on crtc %d, ret: %d\n", crtc, ret);
+		if (ret)
+			atomic_dec(&dev->vblank_refcount[crtc]);
+		else {
+			dev->vblank_enabled[crtc] = 1;
+			drm_update_vblank_count(dev, crtc);
+		}
+	}
+	spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
+
+	return ret;
+}
+EXPORT_SYMBOL(drm_vblank_get);
+
+/**
+ * drm_vblank_put - give up ownership of vblank events
+ * @dev: DRM device
+ * @crtc: which counter to give up
+ *
+ * Release ownership of a given vblank counter, turning off interrupts
+ * if possible.
+ */
+void drm_vblank_put(struct drm_device *dev, int crtc)
+{
+	/* Last user schedules interrupt disable */
+	if (atomic_dec_and_test(&dev->vblank_refcount[crtc]))
+		mod_timer(&dev->vblank_disable_timer, jiffies + 5*DRM_HZ);
+}
+EXPORT_SYMBOL(drm_vblank_put);
+
+/**
+ * drm_modeset_ctl - handle vblank event counter changes across mode switch
+ * @DRM_IOCTL_ARGS: standard ioctl arguments
+ *
+ * Applications should call the %_DRM_PRE_MODESET and %_DRM_POST_MODESET
+ * ioctls around modesetting so that any lost vblank events are accounted for.
+ *
+ * Generally the counter will reset across mode sets.  If interrupts are
+ * enabled around this call, we don't have to do anything since the counter
+ * will have already been incremented.
+ */
+int drm_modeset_ctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	struct drm_modeset_ctl *modeset = data;
+	unsigned long irqflags;
+	int crtc, ret = 0;
+
+	/* If drm_vblank_init() hasn't been called yet, just no-op */
+	if (!dev->num_crtcs)
+		goto out;
+
+	crtc = modeset->crtc;
+	if (crtc >= dev->num_crtcs) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	/*
+	 * To avoid all the problems that might happen if interrupts
+	 * were enabled/disabled around or between these calls, we just
+	 * have the kernel take a reference on the CRTC (just once though
+	 * to avoid corrupting the count if multiple, mismatch calls occur),
+	 * so that interrupts remain enabled in the interim.
+	 */
+	switch (modeset->cmd) {
+	case _DRM_PRE_MODESET:
+		if (!dev->vblank_inmodeset[crtc]) {
+			dev->vblank_inmodeset[crtc] = 1;
+			drm_vblank_get(dev, crtc);
+		}
+		break;
+	case _DRM_POST_MODESET:
+		if (dev->vblank_inmodeset[crtc]) {
+			spin_lock_irqsave(&dev->vbl_lock, irqflags);
+			dev->vblank_disable_allowed = 1;
+			dev->vblank_inmodeset[crtc] = 0;
+			spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
+			drm_vblank_put(dev, crtc);
+		}
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+out:
+	return ret;
+}
+
 /**
  * Wait for VBLANK.
  *
@@ -236,12 +512,12 @@ int drm_control(struct drm_device *dev, void *data,
  *
  * If a signal is not requested, then calls vblank_wait().
  */
-int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_priv)
+int drm_wait_vblank(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
 {
 	union drm_wait_vblank *vblwait = data;
-	struct timeval now;
 	int ret = 0;
-	unsigned int flags, seq;
+	unsigned int flags, seq, crtc;
 
 	if ((!dev->pdev->irq) || (!dev->irq_enabled))
 		return -EINVAL;
@@ -255,13 +531,17 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_pr
 	}
 
 	flags = vblwait->request.type & _DRM_VBLANK_FLAGS_MASK;
+	crtc = flags & _DRM_VBLANK_SECONDARY ? 1 : 0;
 
-	if (!drm_core_check_feature(dev, (flags & _DRM_VBLANK_SECONDARY) ?
-				    DRIVER_IRQ_VBL2 : DRIVER_IRQ_VBL))
+	if (crtc >= dev->num_crtcs)
 		return -EINVAL;
 
-	seq = atomic_read((flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_received2
-			  : &dev->vbl_received);
+	ret = drm_vblank_get(dev, crtc);
+	if (ret) {
+		DRM_ERROR("failed to acquire vblank counter, %d\n", ret);
+		return ret;
+	}
+	seq = drm_vblank_count(dev, crtc);
 
 	switch (vblwait->request.type & _DRM_VBLANK_TYPES_MASK) {
 	case _DRM_VBLANK_RELATIVE:
@@ -270,7 +550,8 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_pr
 	case _DRM_VBLANK_ABSOLUTE:
 		break;
 	default:
-		return -EINVAL;
+		ret = -EINVAL;
+		goto done;
 	}
 
 	if ((flags & _DRM_VBLANK_NEXTONMISS) &&
@@ -280,8 +561,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_pr
 
 	if (flags & _DRM_VBLANK_SIGNAL) {
 		unsigned long irqflags;
-		struct list_head *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY)
-				      ? &dev->vbl_sigs2 : &dev->vbl_sigs;
+		struct list_head *vbl_sigs = &dev->vbl_sigs[crtc];
 		struct drm_vbl_sig *vbl_sig;
 
 		spin_lock_irqsave(&dev->vbl_lock, irqflags);
@@ -302,22 +582,29 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_pr
 			}
 		}
 
-		if (dev->vbl_pending >= 100) {
+		if (atomic_read(&dev->vbl_signal_pending) >= 100) {
 			spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-			return -EBUSY;
+			ret = -EBUSY;
+			goto done;
 		}
 
-		dev->vbl_pending++;
-
 		spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
 
-		if (!
-		    (vbl_sig =
-		     drm_alloc(sizeof(struct drm_vbl_sig), DRM_MEM_DRIVER))) {
-			return -ENOMEM;
+		vbl_sig = drm_calloc(1, sizeof(struct drm_vbl_sig),
+				     DRM_MEM_DRIVER);
+		if (!vbl_sig) {
+			ret = -ENOMEM;
+			goto done;
+		}
+
+		ret = drm_vblank_get(dev, crtc);
+		if (ret) {
+			drm_free(vbl_sig, sizeof(struct drm_vbl_sig),
+				 DRM_MEM_DRIVER);
+			return ret;
 		}
 
-		memset((void *)vbl_sig, 0, sizeof(*vbl_sig));
+		atomic_inc(&dev->vbl_signal_pending);
 
 		vbl_sig->sequence = vblwait->request.sequence;
 		vbl_sig->info.si_signo = vblwait->request.signal;
@@ -331,20 +618,29 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_pr
 
 		vblwait->reply.sequence = seq;
 	} else {
-		if (flags & _DRM_VBLANK_SECONDARY) {
-			if (dev->driver->vblank_wait2)
-				ret = dev->driver->vblank_wait2(dev, &vblwait->request.sequence);
-		} else if (dev->driver->vblank_wait)
-			ret =
-			    dev->driver->vblank_wait(dev,
-						     &vblwait->request.sequence);
-
-		do_gettimeofday(&now);
-		vblwait->reply.tval_sec = now.tv_sec;
-		vblwait->reply.tval_usec = now.tv_usec;
+		DRM_DEBUG("waiting on vblank count %d, crtc %d\n",
+			  vblwait->request.sequence, crtc);
+		DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ,
+			    ((drm_vblank_count(dev, crtc)
+			      - vblwait->request.sequence) <= (1 << 23)));
+
+		if (ret != -EINTR) {
+			struct timeval now;
+
+			do_gettimeofday(&now);
+
+			vblwait->reply.tval_sec = now.tv_sec;
+			vblwait->reply.tval_usec = now.tv_usec;
+			vblwait->reply.sequence = drm_vblank_count(dev, crtc);
+			DRM_DEBUG("returning %d to client\n",
+				  vblwait->reply.sequence);
+		} else {
+			DRM_DEBUG("vblank wait interrupted by signal\n");
+		}
 	}
 
-      done:
+done:
+	drm_vblank_put(dev, crtc);
 	return ret;
 }
 
@@ -352,44 +648,57 @@ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_pr
  * Send the VBLANK signals.
  *
  * \param dev DRM device.
+ * \param crtc CRTC where the vblank event occurred
  *
  * Sends a signal for each task in drm_device::vbl_sigs and empties the list.
  *
  * If a signal is not requested, then calls vblank_wait().
  */
-void drm_vbl_send_signals(struct drm_device * dev)
+static void drm_vbl_send_signals(struct drm_device *dev, int crtc)
 {
+	struct drm_vbl_sig *vbl_sig, *tmp;
+	struct list_head *vbl_sigs;
+	unsigned int vbl_seq;
 	unsigned long flags;
-	int i;
 
 	spin_lock_irqsave(&dev->vbl_lock, flags);
 
-	for (i = 0; i < 2; i++) {
-		struct drm_vbl_sig *vbl_sig, *tmp;
-		struct list_head *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs;
-		unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 :
-						   &dev->vbl_received);
+	vbl_sigs = &dev->vbl_sigs[crtc];
+	vbl_seq = drm_vblank_count(dev, crtc);
 
-		list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) {
-			if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
-				vbl_sig->info.si_code = vbl_seq;
-				send_sig_info(vbl_sig->info.si_signo,
-					      &vbl_sig->info, vbl_sig->task);
+	list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) {
+	    if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) {
+		vbl_sig->info.si_code = vbl_seq;
+		send_sig_info(vbl_sig->info.si_signo,
+			      &vbl_sig->info, vbl_sig->task);
 
-				list_del(&vbl_sig->head);
-
-				drm_free(vbl_sig, sizeof(*vbl_sig),
-					 DRM_MEM_DRIVER);
+		list_del(&vbl_sig->head);
 
-				dev->vbl_pending--;
-			}
-		}
+		drm_free(vbl_sig, sizeof(*vbl_sig),
+			 DRM_MEM_DRIVER);
+		atomic_dec(&dev->vbl_signal_pending);
+		drm_vblank_put(dev, crtc);
+	    }
 	}
 
 	spin_unlock_irqrestore(&dev->vbl_lock, flags);
 }
 
-EXPORT_SYMBOL(drm_vbl_send_signals);
+/**
+ * drm_handle_vblank - handle a vblank event
+ * @dev: DRM device
+ * @crtc: where this event occurred
+ *
+ * Drivers should call this routine in their vblank interrupt handlers to
+ * update the vblank counter and send any signals that may be pending.
+ */
+void drm_handle_vblank(struct drm_device *dev, int crtc)
+{
+	atomic_inc(&dev->_vblank_count[crtc]);
+	DRM_WAKEUP(&dev->vbl_queue[crtc]);
+	drm_vbl_send_signals(dev, crtc);
+}
+EXPORT_SYMBOL(drm_handle_vblank);
 
 /**
  * Tasklet wrapper function.
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 29115450ee4..63c6803d471 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -673,7 +673,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
 
 	switch (param->param) {
 	case I915_PARAM_IRQ_ACTIVE:
-		value = dev->irq_enabled;
+		value = dev->pdev->irq ? 1 : 0;
 		break;
 	case I915_PARAM_ALLOW_BATCHBUFFER:
 		value = dev_priv->allow_batchbuffer ? 1 : 0;
@@ -808,7 +808,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	 * and the registers being closely associated.
 	 */
 	if (!IS_I945G(dev) && !IS_I945GM(dev))
-		pci_enable_msi(dev->pdev);
+		if (pci_enable_msi(dev->pdev))
+			DRM_ERROR("failed to enable MSI\n");
 
 	intel_opregion_init(dev);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index eff66ed3e58..37af03f4db3 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -85,10 +85,8 @@ static struct drm_driver driver = {
 	/* don't use mtrr's here, the Xserver or user space app should
 	 * deal with them for intel hardware.
 	 */
-	.driver_features =
-	    DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
-	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
-	    DRIVER_IRQ_VBL2,
+	.driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP |
+		DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
 	.load = i915_driver_load,
 	.unload = i915_driver_unload,
 	.lastclose = i915_driver_lastclose,
@@ -96,8 +94,9 @@ static struct drm_driver driver = {
 	.suspend = i915_suspend,
 	.resume = i915_resume,
 	.device_is_agp = i915_driver_device_is_agp,
-	.vblank_wait = i915_driver_vblank_wait,
-	.vblank_wait2 = i915_driver_vblank_wait2,
+	.get_vblank_counter = i915_get_vblank_counter,
+	.enable_vblank = i915_enable_vblank,
+	.disable_vblank = i915_disable_vblank,
 	.irq_preinstall = i915_driver_irq_preinstall,
 	.irq_postinstall = i915_driver_irq_postinstall,
 	.irq_uninstall = i915_driver_irq_uninstall,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 71326ca9367..d1a02bead45 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -83,10 +83,15 @@ struct mem_block {
 typedef struct _drm_i915_vbl_swap {
 	struct list_head head;
 	drm_drawable_t drw_id;
-	unsigned int pipe;
+	unsigned int plane;
 	unsigned int sequence;
 } drm_i915_vbl_swap_t;
 
+struct opregion_header;
+struct opregion_acpi;
+struct opregion_swsci;
+struct opregion_asle;
+
 struct intel_opregion {
 	struct opregion_header *header;
 	struct opregion_acpi *acpi;
@@ -105,7 +110,7 @@ typedef struct drm_i915_private {
 	drm_dma_handle_t *status_page_dmah;
 	void *hw_status_page;
 	dma_addr_t dma_status_page;
-	unsigned long counter;
+	uint32_t counter;
 	unsigned int status_gfx_addr;
 	drm_local_map_t hws_map;
 
@@ -247,16 +252,17 @@ extern int i915_irq_emit(struct drm_device *dev, void *data,
 extern int i915_irq_wait(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 
-extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(struct drm_device * dev);
-extern void i915_driver_irq_postinstall(struct drm_device * dev);
+extern int i915_driver_irq_postinstall(struct drm_device *dev);
 extern void i915_driver_irq_uninstall(struct drm_device * dev);
 extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
+extern int i915_enable_vblank(struct drm_device *dev, int crtc);
+extern void i915_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int i915_vblank_swap(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
 extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
@@ -278,6 +284,10 @@ extern void i915_mem_release(struct drm_device * dev,
 extern int i915_save_state(struct drm_device *dev);
 extern int i915_restore_state(struct drm_device *dev);
 
+/* i915_suspend.c */
+extern int i915_save_state(struct drm_device *dev);
+extern int i915_restore_state(struct drm_device *dev);
+
 /* i915_opregion.c */
 extern int intel_opregion_init(struct drm_device *dev);
 extern void intel_opregion_free(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ae7d3a82a6d..f8759597233 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -35,9 +35,8 @@
 
 /** These are the interrupts used by the driver */
 #define I915_INTERRUPT_ENABLE_MASK (I915_USER_INTERRUPT |		\
-				    I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT | \
-				    I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT | \
 				    I915_ASLE_INTERRUPT |		\
+				    I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \
 				    I915_DISPLAY_PIPE_B_EVENT_INTERRUPT)
 
 void
@@ -60,6 +59,64 @@ i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
 	}
 }
 
+/**
+ * i915_get_pipe - return the the pipe associated with a given plane
+ * @dev: DRM device
+ * @plane: plane to look for
+ *
+ * The Intel Mesa & 2D drivers call the vblank routines with a plane number
+ * rather than a pipe number, since they may not always be equal.  This routine
+ * maps the given @plane back to a pipe number.
+ */
+static int
+i915_get_pipe(struct drm_device *dev, int plane)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	u32 dspcntr;
+
+	dspcntr = plane ? I915_READ(DSPBCNTR) : I915_READ(DSPACNTR);
+
+	return dspcntr & DISPPLANE_SEL_PIPE_MASK ? 1 : 0;
+}
+
+/**
+ * i915_get_plane - return the the plane associated with a given pipe
+ * @dev: DRM device
+ * @pipe: pipe to look for
+ *
+ * The Intel Mesa & 2D drivers call the vblank routines with a plane number
+ * rather than a plane number, since they may not always be equal.  This routine
+ * maps the given @pipe back to a plane number.
+ */
+static int
+i915_get_plane(struct drm_device *dev, int pipe)
+{
+	if (i915_get_pipe(dev, 0) == pipe)
+		return 0;
+	return 1;
+}
+
+/**
+ * i915_pipe_enabled - check if a pipe is enabled
+ * @dev: DRM device
+ * @pipe: pipe to check
+ *
+ * Reading certain registers when the pipe is disabled can hang the chip.
+ * Use this routine to make sure the PLL is running and the pipe is active
+ * before reading such registers if unsure.
+ */
+static int
+i915_pipe_enabled(struct drm_device *dev, int pipe)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	unsigned long pipeconf = pipe ? PIPEBCONF : PIPEACONF;
+
+	if (I915_READ(pipeconf) & PIPEACONF_ENABLE)
+		return 1;
+
+	return 0;
+}
+
 /**
  * Emit blits for scheduled buffer swaps.
  *
@@ -71,8 +128,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 	unsigned long irqflags;
 	struct list_head *list, *tmp, hits, *hit;
 	int nhits, nrects, slice[2], upper[2], lower[2], i;
-	unsigned counter[2] = { atomic_read(&dev->vbl_received),
-				atomic_read(&dev->vbl_received2) };
+	unsigned counter[2];
 	struct drm_drawable_info *drw;
 	drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv;
 	u32 cpp = dev_priv->cpp;
@@ -94,6 +150,9 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 		src_pitch >>= 2;
 	}
 
+	counter[0] = drm_vblank_count(dev, 0);
+	counter[1] = drm_vblank_count(dev, 1);
+
 	DRM_DEBUG("\n");
 
 	INIT_LIST_HEAD(&hits);
@@ -106,12 +165,14 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 	list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) {
 		drm_i915_vbl_swap_t *vbl_swap =
 			list_entry(list, drm_i915_vbl_swap_t, head);
+		int pipe = i915_get_pipe(dev, vbl_swap->plane);
 
-		if ((counter[vbl_swap->pipe] - vbl_swap->sequence) > (1<<23))
+		if ((counter[pipe] - vbl_swap->sequence) > (1<<23))
 			continue;
 
 		list_del(list);
 		dev_priv->swaps_pending--;
+		drm_vblank_put(dev, pipe);
 
 		spin_unlock(&dev_priv->swaps_lock);
 		spin_lock(&dev->drw_lock);
@@ -204,7 +265,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 			drm_i915_vbl_swap_t *swap_hit =
 				list_entry(hit, drm_i915_vbl_swap_t, head);
 			struct drm_clip_rect *rect;
-			int num_rects, pipe;
+			int num_rects, plane;
 			unsigned short top, bottom;
 
 			drw = drm_get_drawable_info(dev, swap_hit->drw_id);
@@ -213,9 +274,9 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 				continue;
 
 			rect = drw->rects;
-			pipe = swap_hit->pipe;
-			top = upper[pipe];
-			bottom = lower[pipe];
+			plane = swap_hit->plane;
+			top = upper[plane];
+			bottom = lower[plane];
 
 			for (num_rects = drw->num_rects; num_rects--; rect++) {
 				int y1 = max(rect->y1, top);
@@ -252,22 +313,54 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 	}
 }
 
+u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	unsigned long high_frame;
+	unsigned long low_frame;
+	u32 high1, high2, low, count;
+	int pipe;
+
+	pipe = i915_get_pipe(dev, plane);
+	high_frame = pipe ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH;
+	low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL;
+
+	if (!i915_pipe_enabled(dev, pipe)) {
+		DRM_ERROR("trying to get vblank count for disabled pipe %d\n", pipe);
+		return 0;
+	}
+
+	/*
+	 * High & low register fields aren't synchronized, so make sure
+	 * we get a low value that's stable across two reads of the high
+	 * register.
+	 */
+	do {
+		high1 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
+			 PIPE_FRAME_HIGH_SHIFT);
+		low =  ((I915_READ(low_frame) & PIPE_FRAME_LOW_MASK) >>
+			PIPE_FRAME_LOW_SHIFT);
+		high2 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
+			 PIPE_FRAME_HIGH_SHIFT);
+	} while (high1 != high2);
+
+	count = (high1 << 8) | low;
+
+	return count;
+}
+
 irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u32 pipea_stats, pipeb_stats;
 	u32 iir;
-
-	pipea_stats = I915_READ(PIPEASTAT);
-	pipeb_stats = I915_READ(PIPEBSTAT);
+	u32 pipea_stats, pipeb_stats;
+	int vblank = 0;
 
 	if (dev->pdev->msi_enabled)
 		I915_WRITE(IMR, ~0);
 	iir = I915_READ(IIR);
 
-	DRM_DEBUG("iir=%08x\n", iir);
-
 	if (iir == 0) {
 		if (dev->pdev->msi_enabled) {
 			I915_WRITE(IMR, dev_priv->irq_mask_reg);
@@ -276,48 +369,56 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		return IRQ_NONE;
 	}
 
-	I915_WRITE(PIPEASTAT, pipea_stats);
-	I915_WRITE(PIPEBSTAT, pipeb_stats);
-
-	I915_WRITE(IIR, iir);
-	if (dev->pdev->msi_enabled)
-		I915_WRITE(IMR, dev_priv->irq_mask_reg);
-	(void) I915_READ(IIR); /* Flush posted writes */
-
-	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-
-	if (iir & I915_USER_INTERRUPT)
-		DRM_WAKEUP(&dev_priv->irq_queue);
-
-	if (iir & (I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT |
-		   I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)) {
-		int vblank_pipe = dev_priv->vblank_pipe;
-
-		if ((vblank_pipe &
-		     (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B))
-		    == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) {
-			if (iir & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT)
-				atomic_inc(&dev->vbl_received);
-			if (iir & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
-				atomic_inc(&dev->vbl_received2);
-		} else if (((iir & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT) &&
-			    (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) ||
-			   ((iir & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT) &&
-			    (vblank_pipe & DRM_I915_VBLANK_PIPE_B)))
-			atomic_inc(&dev->vbl_received);
+	/*
+	 * Clear the PIPE(A|B)STAT regs before the IIR otherwise
+	 * we may get extra interrupts.
+	 */
+	if (iir & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT) {
+		pipea_stats = I915_READ(PIPEASTAT);
+		if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A))
+			pipea_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
+					 PIPE_VBLANK_INTERRUPT_ENABLE);
+		else if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
+					PIPE_VBLANK_INTERRUPT_STATUS)) {
+			vblank++;
+			drm_handle_vblank(dev, i915_get_plane(dev, 0));
+		}
 
-		DRM_WAKEUP(&dev->vbl_queue);
-		drm_vbl_send_signals(dev);
+		I915_WRITE(PIPEASTAT, pipea_stats);
+	}
+	if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) {
+		pipeb_stats = I915_READ(PIPEBSTAT);
+		/* Ack the event */
+		I915_WRITE(PIPEBSTAT, pipeb_stats);
+
+		/* The vblank interrupt gets enabled even if we didn't ask for
+		   it, so make sure it's shut down again */
+		if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B))
+			pipeb_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
+					 PIPE_VBLANK_INTERRUPT_ENABLE);
+		else if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
+					PIPE_VBLANK_INTERRUPT_STATUS)) {
+			vblank++;
+			drm_handle_vblank(dev, i915_get_plane(dev, 1));
+		}
 
-		if (dev_priv->swaps_pending > 0)
-			drm_locked_tasklet(dev, i915_vblank_tasklet);
+		if (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS)
+			opregion_asle_intr(dev);
+		I915_WRITE(PIPEBSTAT, pipeb_stats);
 	}
 
 	if (iir & I915_ASLE_INTERRUPT)
 		opregion_asle_intr(dev);
 
-	if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT)
-		opregion_asle_intr(dev);
+	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+
+	if (dev->pdev->msi_enabled)
+		I915_WRITE(IMR, dev_priv->irq_mask_reg);
+	I915_WRITE(IIR, iir);
+	(void) I915_READ(IIR);
+
+	if (vblank && dev_priv->swaps_pending > 0)
+		drm_locked_tasklet(dev, i915_vblank_tasklet);
 
 	return IRQ_HANDLED;
 }
@@ -358,7 +459,7 @@ static void i915_user_irq_get(struct drm_device *dev)
 	spin_unlock(&dev_priv->user_irq_lock);
 }
 
-static void i915_user_irq_put(struct drm_device *dev)
+void i915_user_irq_put(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
@@ -395,41 +496,10 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
 	}
 
 	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-	return ret;
-}
-
-static int i915_driver_vblank_do_wait(struct drm_device *dev, unsigned int *sequence,
-				      atomic_t *counter)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	unsigned int cur_vblank;
-	int ret = 0;
-
-	if (!dev_priv) {
-		DRM_ERROR("called with no initialization\n");
-		return -EINVAL;
-	}
-
-	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-		    (((cur_vblank = atomic_read(counter))
-			- *sequence) <= (1<<23)));
-
-	*sequence = cur_vblank;
 
 	return ret;
 }
 
-
-int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence)
-{
-	return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received);
-}
-
-int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence)
-{
-	return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received2);
-}
-
 /* Needs the lock as it touches the ring.
  */
 int i915_irq_emit(struct drm_device *dev, void *data,
@@ -472,40 +542,88 @@ int i915_irq_wait(struct drm_device *dev, void *data,
 	return i915_wait_irq(dev, irqwait->irq_seq);
 }
 
+int i915_enable_vblank(struct drm_device *dev, int plane)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	int pipe = i915_get_pipe(dev, plane);
+	u32	pipestat_reg = 0;
+	u32	pipestat;
+
+	switch (pipe) {
+	case 0:
+		pipestat_reg = PIPEASTAT;
+		i915_enable_irq(dev_priv, I915_DISPLAY_PIPE_A_EVENT_INTERRUPT);
+		break;
+	case 1:
+		pipestat_reg = PIPEBSTAT;
+		i915_enable_irq(dev_priv, I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
+		break;
+	default:
+		DRM_ERROR("tried to enable vblank on non-existent pipe %d\n",
+			  pipe);
+		break;
+	}
+
+	if (pipestat_reg) {
+		pipestat = I915_READ(pipestat_reg);
+		if (IS_I965G(dev))
+			pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE;
+		else
+			pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE;
+		/* Clear any stale interrupt status */
+		pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
+			     PIPE_VBLANK_INTERRUPT_STATUS);
+		I915_WRITE(pipestat_reg, pipestat);
+	}
+
+	return 0;
+}
+
+void i915_disable_vblank(struct drm_device *dev, int plane)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	int pipe = i915_get_pipe(dev, plane);
+	u32	pipestat_reg = 0;
+	u32	pipestat;
+
+	switch (pipe) {
+	case 0:
+		pipestat_reg = PIPEASTAT;
+		i915_disable_irq(dev_priv, I915_DISPLAY_PIPE_A_EVENT_INTERRUPT);
+		break;
+	case 1:
+		pipestat_reg = PIPEBSTAT;
+		i915_disable_irq(dev_priv, I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
+		break;
+	default:
+		DRM_ERROR("tried to disable vblank on non-existent pipe %d\n",
+			  pipe);
+		break;
+	}
+
+	if (pipestat_reg) {
+		pipestat = I915_READ(pipestat_reg);
+		pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
+			      PIPE_VBLANK_INTERRUPT_ENABLE);
+		/* Clear any stale interrupt status */
+		pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
+			     PIPE_VBLANK_INTERRUPT_STATUS);
+		I915_WRITE(pipestat_reg, pipestat);
+	}
+}
+
 /* Set the vblank monitor pipe
  */
 int i915_vblank_pipe_set(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	drm_i915_vblank_pipe_t *pipe = data;
-	u32 enable_mask = 0, disable_mask = 0;
 
 	if (!dev_priv) {
 		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
 	}
 
-	if (pipe->pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) {
-		DRM_ERROR("called with invalid pipe 0x%x\n", pipe->pipe);
-		return -EINVAL;
-	}
-
-	if (pipe->pipe & DRM_I915_VBLANK_PIPE_A)
-		enable_mask |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
-	else
-		disable_mask |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
-
-	if (pipe->pipe & DRM_I915_VBLANK_PIPE_B)
-		enable_mask |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
-	else
-		disable_mask |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
-
-	i915_enable_irq(dev_priv, enable_mask);
-	i915_disable_irq(dev_priv, disable_mask);
-
-	dev_priv->vblank_pipe = pipe->pipe;
-
 	return 0;
 }
 
@@ -514,19 +632,13 @@ int i915_vblank_pipe_get(struct drm_device *dev, void *data,
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_vblank_pipe_t *pipe = data;
-	u16 flag;
 
 	if (!dev_priv) {
 		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
 	}
 
-	flag = I915_READ(IMR);
-	pipe->pipe = 0;
-	if (flag & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT)
-		pipe->pipe |= DRM_I915_VBLANK_PIPE_A;
-	if (flag & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)
-		pipe->pipe |= DRM_I915_VBLANK_PIPE_B;
+	pipe->pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
 
 	return 0;
 }
@@ -540,9 +652,10 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_vblank_swap_t *swap = data;
 	drm_i915_vbl_swap_t *vbl_swap;
-	unsigned int pipe, seqtype, curseq;
+	unsigned int pipe, seqtype, curseq, plane;
 	unsigned long irqflags;
 	struct list_head *list;
+	int ret;
 
 	if (!dev_priv) {
 		DRM_ERROR("%s called with no initialization\n", __func__);
@@ -560,7 +673,8 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	pipe = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0;
+	plane = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0;
+	pipe = i915_get_pipe(dev, plane);
 
 	seqtype = swap->seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE);
 
@@ -579,7 +693,14 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 
 	spin_unlock_irqrestore(&dev->drw_lock, irqflags);
 
-	curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received);
+	/*
+	 * We take the ref here and put it when the swap actually completes
+	 * in the tasklet.
+	 */
+	ret = drm_vblank_get(dev, pipe);
+	if (ret)
+		return ret;
+	curseq = drm_vblank_count(dev, pipe);
 
 	if (seqtype == _DRM_VBLANK_RELATIVE)
 		swap->sequence += curseq;
@@ -589,6 +710,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 			swap->sequence = curseq + 1;
 		} else {
 			DRM_DEBUG("Missed target sequence\n");
+			drm_vblank_put(dev, pipe);
 			return -EINVAL;
 		}
 	}
@@ -599,7 +721,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 		vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head);
 
 		if (vbl_swap->drw_id == swap->drawable &&
-		    vbl_swap->pipe == pipe &&
+		    vbl_swap->plane == plane &&
 		    vbl_swap->sequence == swap->sequence) {
 			spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
 			DRM_DEBUG("Already scheduled\n");
@@ -611,6 +733,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 
 	if (dev_priv->swaps_pending >= 100) {
 		DRM_DEBUG("Too many swaps queued\n");
+		drm_vblank_put(dev, pipe);
 		return -EBUSY;
 	}
 
@@ -618,13 +741,14 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 
 	if (!vbl_swap) {
 		DRM_ERROR("Failed to allocate memory to queue swap\n");
+		drm_vblank_put(dev, pipe);
 		return -ENOMEM;
 	}
 
 	DRM_DEBUG("\n");
 
 	vbl_swap->drw_id = swap->drawable;
-	vbl_swap->pipe = pipe;
+	vbl_swap->plane = plane;
 	vbl_swap->sequence = swap->sequence;
 
 	spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
@@ -643,28 +767,32 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-	I915_WRITE(HWSTAM, 0xfffe);
-	I915_WRITE(IMR, 0x0);
+	I915_WRITE(HWSTAM, 0xeffe);
+	I915_WRITE(IMR, 0xffffffff);
 	I915_WRITE(IER, 0x0);
 }
 
-void i915_driver_irq_postinstall(struct drm_device * dev)
+int i915_driver_irq_postinstall(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	int ret, num_pipes = 2;
 
 	spin_lock_init(&dev_priv->swaps_lock);
 	INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
 	dev_priv->swaps_pending = 0;
 
-	if (!dev_priv->vblank_pipe)
-		dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A;
-
 	/* Set initial unmasked IRQs to just the selected vblank pipes. */
 	dev_priv->irq_mask_reg = ~0;
-	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
-		dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
-	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
-		dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
+
+	ret = drm_vblank_init(dev, num_pipes);
+	if (ret)
+		return ret;
+
+	dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
+	dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT;
+	dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT;
+
+	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
 
 	dev_priv->irq_mask_reg &= I915_INTERRUPT_ENABLE_MASK;
 
@@ -673,22 +801,29 @@ void i915_driver_irq_postinstall(struct drm_device * dev)
 	(void) I915_READ(IER);
 
 	opregion_enable_asle(dev);
-
 	DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
+
+	return 0;
 }
 
 void i915_driver_irq_uninstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u16 temp;
+	u32 temp;
 
 	if (!dev_priv)
 		return;
 
-	I915_WRITE(HWSTAM, 0xffff);
-	I915_WRITE(IMR, 0xffff);
+	dev_priv->vblank_pipe = 0;
+
+	I915_WRITE(HWSTAM, 0xffffffff);
+	I915_WRITE(IMR, 0xffffffff);
 	I915_WRITE(IER, 0x0);
 
+	temp = I915_READ(PIPEASTAT);
+	I915_WRITE(PIPEASTAT, temp);
+	temp = I915_READ(PIPEBSTAT);
+	I915_WRITE(PIPEBSTAT, temp);
 	temp = I915_READ(IIR);
 	I915_WRITE(IIR, temp);
 }
diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c
index 5572939fc7d..97ee566ef74 100644
--- a/drivers/gpu/drm/mga/mga_drv.c
+++ b/drivers/gpu/drm/mga/mga_drv.c
@@ -45,15 +45,16 @@ static struct pci_device_id pciidlist[] = {
 static struct drm_driver driver = {
 	.driver_features =
 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
-	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
-	    DRIVER_IRQ_VBL,
+	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
 	.dev_priv_size = sizeof(drm_mga_buf_priv_t),
 	.load = mga_driver_load,
 	.unload = mga_driver_unload,
 	.lastclose = mga_driver_lastclose,
 	.dma_quiescent = mga_driver_dma_quiescent,
 	.device_is_agp = mga_driver_device_is_agp,
-	.vblank_wait = mga_driver_vblank_wait,
+	.get_vblank_counter = mga_get_vblank_counter,
+	.enable_vblank = mga_enable_vblank,
+	.disable_vblank = mga_disable_vblank,
 	.irq_preinstall = mga_driver_irq_preinstall,
 	.irq_postinstall = mga_driver_irq_postinstall,
 	.irq_uninstall = mga_driver_irq_uninstall,
@@ -64,20 +65,20 @@ static struct drm_driver driver = {
 	.ioctls = mga_ioctls,
 	.dma_ioctl = mga_dma_buffers,
 	.fops = {
-		 .owner = THIS_MODULE,
-		 .open = drm_open,
-		 .release = drm_release,
-		 .ioctl = drm_ioctl,
-		 .mmap = drm_mmap,
-		 .poll = drm_poll,
-		 .fasync = drm_fasync,
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.release = drm_release,
+		.ioctl = drm_ioctl,
+		.mmap = drm_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
 #ifdef CONFIG_COMPAT
-		 .compat_ioctl = mga_compat_ioctl,
+		.compat_ioctl = mga_compat_ioctl,
 #endif
-		 },
+	},
 	.pci_driver = {
-		 .name = DRIVER_NAME,
-		 .id_table = pciidlist,
+		.name = DRIVER_NAME,
+		.id_table = pciidlist,
 	},
 
 	.name = DRIVER_NAME,
diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
index f6ebd24bd58..88257c276eb 100644
--- a/drivers/gpu/drm/mga/mga_drv.h
+++ b/drivers/gpu/drm/mga/mga_drv.h
@@ -120,6 +120,7 @@ typedef struct drm_mga_private {
 	u32 clear_cmd;
 	u32 maccess;
 
+	atomic_t vbl_received;          /**< Number of vblanks received. */
 	wait_queue_head_t fence_queue;
 	atomic_t last_fence_retired;
 	u32 next_fence_to_post;
@@ -181,11 +182,14 @@ extern int mga_warp_install_microcode(drm_mga_private_t * dev_priv);
 extern int mga_warp_init(drm_mga_private_t * dev_priv);
 
 				/* mga_irq.c */
+extern int mga_enable_vblank(struct drm_device *dev, int crtc);
+extern void mga_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 mga_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence);
 extern int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
 extern irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS);
 extern void mga_driver_irq_preinstall(struct drm_device * dev);
-extern void mga_driver_irq_postinstall(struct drm_device * dev);
+extern int mga_driver_irq_postinstall(struct drm_device *dev);
 extern void mga_driver_irq_uninstall(struct drm_device * dev);
 extern long mga_compat_ioctl(struct file *filp, unsigned int cmd,
 			     unsigned long arg);
diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
index 9302cb8f0f8..bab42f41188 100644
--- a/drivers/gpu/drm/mga/mga_irq.c
+++ b/drivers/gpu/drm/mga/mga_irq.c
@@ -1,5 +1,6 @@
 /* mga_irq.c -- IRQ handling for radeon -*- linux-c -*-
- *
+ */
+/*
  * Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
  *
  * The Weather Channel (TM) funded Tungsten Graphics to develop the
@@ -35,6 +36,18 @@
 #include "mga_drm.h"
 #include "mga_drv.h"
 
+u32 mga_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+	const drm_mga_private_t *const dev_priv =
+		(drm_mga_private_t *) dev->dev_private;
+
+	if (crtc != 0)
+		return 0;
+
+	return atomic_read(&dev_priv->vbl_received);
+}
+
+
 irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
@@ -47,9 +60,8 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
 	/* VBLANK interrupt */
 	if (status & MGA_VLINEPEN) {
 		MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR);
-		atomic_inc(&dev->vbl_received);
-		DRM_WAKEUP(&dev->vbl_queue);
-		drm_vbl_send_signals(dev);
+		atomic_inc(&dev_priv->vbl_received);
+		drm_handle_vblank(dev, 0);
 		handled = 1;
 	}
 
@@ -58,6 +70,7 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
 		const u32 prim_start = MGA_READ(MGA_PRIMADDRESS);
 		const u32 prim_end = MGA_READ(MGA_PRIMEND);
 
+
 		MGA_WRITE(MGA_ICLEAR, MGA_SOFTRAPICLR);
 
 		/* In addition to clearing the interrupt-pending bit, we
@@ -72,28 +85,39 @@ irqreturn_t mga_driver_irq_handler(DRM_IRQ_ARGS)
 		handled = 1;
 	}
 
-	if (handled) {
+	if (handled)
 		return IRQ_HANDLED;
-	}
 	return IRQ_NONE;
 }
 
-int mga_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+int mga_enable_vblank(struct drm_device *dev, int crtc)
 {
-	unsigned int cur_vblank;
-	int ret = 0;
+	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
 
-	/* Assume that the user has missed the current sequence number
-	 * by about a day rather than she wants to wait for years
-	 * using vertical blanks...
-	 */
-	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-		    (((cur_vblank = atomic_read(&dev->vbl_received))
-		      - *sequence) <= (1 << 23)));
+	if (crtc != 0) {
+		DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+			  crtc);
+		return 0;
+	}
 
-	*sequence = cur_vblank;
+	MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
+	return 0;
+}
 
-	return ret;
+
+void mga_disable_vblank(struct drm_device *dev, int crtc)
+{
+	if (crtc != 0) {
+		DRM_ERROR("tried to disable vblank on non-existent crtc %d\n",
+			  crtc);
+	}
+
+	/* Do *NOT* disable the vertical refresh interrupt.  MGA doesn't have
+	 * a nice hardware counter that tracks the number of refreshes when
+	 * the interrupt is disabled, and the kernel doesn't know the refresh
+	 * rate to calculate an estimate.
+	 */
+	/* MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); */
 }
 
 int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence)
@@ -125,14 +149,22 @@ void mga_driver_irq_preinstall(struct drm_device * dev)
 	MGA_WRITE(MGA_ICLEAR, ~0);
 }
 
-void mga_driver_irq_postinstall(struct drm_device * dev)
+int mga_driver_irq_postinstall(struct drm_device *dev)
 {
 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
+	int ret;
+
+	ret = drm_vblank_init(dev, 1);
+	if (ret)
+		return ret;
 
 	DRM_INIT_WAITQUEUE(&dev_priv->fence_queue);
 
-	/* Turn on vertical blank interrupt and soft trap interrupt. */
-	MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN);
+	/* Turn on soft trap interrupt.  Vertical blank interrupts are enabled
+	 * in mga_enable_vblank.
+	 */
+	MGA_WRITE(MGA_IEN, MGA_SOFTRAPEN);
+	return 0;
 }
 
 void mga_driver_irq_uninstall(struct drm_device * dev)
diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c
index 6108e7587e1..3265d53ba91 100644
--- a/drivers/gpu/drm/r128/r128_drv.c
+++ b/drivers/gpu/drm/r128/r128_drv.c
@@ -43,12 +43,13 @@ static struct pci_device_id pciidlist[] = {
 static struct drm_driver driver = {
 	.driver_features =
 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
-	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
-	    DRIVER_IRQ_VBL,
+	    DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
 	.dev_priv_size = sizeof(drm_r128_buf_priv_t),
 	.preclose = r128_driver_preclose,
 	.lastclose = r128_driver_lastclose,
-	.vblank_wait = r128_driver_vblank_wait,
+	.get_vblank_counter = r128_get_vblank_counter,
+	.enable_vblank = r128_enable_vblank,
+	.disable_vblank = r128_disable_vblank,
 	.irq_preinstall = r128_driver_irq_preinstall,
 	.irq_postinstall = r128_driver_irq_postinstall,
 	.irq_uninstall = r128_driver_irq_uninstall,
@@ -59,21 +60,20 @@ static struct drm_driver driver = {
 	.ioctls = r128_ioctls,
 	.dma_ioctl = r128_cce_buffers,
 	.fops = {
-		 .owner = THIS_MODULE,
-		 .open = drm_open,
-		 .release = drm_release,
-		 .ioctl = drm_ioctl,
-		 .mmap = drm_mmap,
-		 .poll = drm_poll,
-		 .fasync = drm_fasync,
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.release = drm_release,
+		.ioctl = drm_ioctl,
+		.mmap = drm_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
 #ifdef CONFIG_COMPAT
-		 .compat_ioctl = r128_compat_ioctl,
+		.compat_ioctl = r128_compat_ioctl,
 #endif
 	},
-
 	.pci_driver = {
-		 .name = DRIVER_NAME,
-		 .id_table = pciidlist,
+		.name = DRIVER_NAME,
+		.id_table = pciidlist,
 	},
 
 	.name = DRIVER_NAME,
@@ -87,6 +87,7 @@ static struct drm_driver driver = {
 static int __init r128_init(void)
 {
 	driver.num_ioctls = r128_max_ioctl;
+
 	return drm_init(&driver);
 }
 
diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h
index 011105e51ac..5898b274279 100644
--- a/drivers/gpu/drm/r128/r128_drv.h
+++ b/drivers/gpu/drm/r128/r128_drv.h
@@ -29,7 +29,7 @@
  *    Rickard E. (Rik) Faith <faith@valinux.com>
  *    Kevin E. Martin <martin@valinux.com>
  *    Gareth Hughes <gareth@valinux.com>
- *    Michel Dänzer <daenzerm@student.ethz.ch>
+ *    Michel D�zer <daenzerm@student.ethz.ch>
  */
 
 #ifndef __R128_DRV_H__
@@ -97,6 +97,8 @@ typedef struct drm_r128_private {
 	u32 crtc_offset;
 	u32 crtc_offset_cntl;
 
+	atomic_t vbl_received;
+
 	u32 color_fmt;
 	unsigned int front_offset;
 	unsigned int front_pitch;
@@ -149,11 +151,12 @@ extern int r128_wait_ring(drm_r128_private_t * dev_priv, int n);
 extern int r128_do_cce_idle(drm_r128_private_t * dev_priv);
 extern int r128_do_cleanup_cce(struct drm_device * dev);
 
-extern int r128_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
-
+extern int r128_enable_vblank(struct drm_device *dev, int crtc);
+extern void r128_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 r128_get_vblank_counter(struct drm_device *dev, int crtc);
 extern irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS);
 extern void r128_driver_irq_preinstall(struct drm_device * dev);
-extern void r128_driver_irq_postinstall(struct drm_device * dev);
+extern int r128_driver_irq_postinstall(struct drm_device *dev);
 extern void r128_driver_irq_uninstall(struct drm_device * dev);
 extern void r128_driver_lastclose(struct drm_device * dev);
 extern void r128_driver_preclose(struct drm_device * dev,
diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c
index c76fdca7662..d7349012a68 100644
--- a/drivers/gpu/drm/r128/r128_irq.c
+++ b/drivers/gpu/drm/r128/r128_irq.c
@@ -35,6 +35,16 @@
 #include "r128_drm.h"
 #include "r128_drv.h"
 
+u32 r128_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+	const drm_r128_private_t *dev_priv = dev->dev_private;
+
+	if (crtc != 0)
+		return 0;
+
+	return atomic_read(&dev_priv->vbl_received);
+}
+
 irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
@@ -46,30 +56,38 @@ irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
 	/* VBLANK interrupt */
 	if (status & R128_CRTC_VBLANK_INT) {
 		R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
-		atomic_inc(&dev->vbl_received);
-		DRM_WAKEUP(&dev->vbl_queue);
-		drm_vbl_send_signals(dev);
+		atomic_inc(&dev_priv->vbl_received);
+		drm_handle_vblank(dev, 0);
 		return IRQ_HANDLED;
 	}
 	return IRQ_NONE;
 }
 
-int r128_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+int r128_enable_vblank(struct drm_device *dev, int crtc)
 {
-	unsigned int cur_vblank;
-	int ret = 0;
+	drm_r128_private_t *dev_priv = dev->dev_private;
 
-	/* Assume that the user has missed the current sequence number
-	 * by about a day rather than she wants to wait for years
-	 * using vertical blanks...
-	 */
-	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-		    (((cur_vblank = atomic_read(&dev->vbl_received))
-		      - *sequence) <= (1 << 23)));
+	if (crtc != 0) {
+		DRM_ERROR("%s:  bad crtc %d\n", __func__, crtc);
+		return -EINVAL;
+	}
 
-	*sequence = cur_vblank;
+	R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
+	return 0;
+}
+
+void r128_disable_vblank(struct drm_device *dev, int crtc)
+{
+	if (crtc != 0)
+		DRM_ERROR("%s:  bad crtc %d\n", __func__, crtc);
 
-	return ret;
+	/*
+	 * FIXME: implement proper interrupt disable by using the vblank
+	 * counter register (if available)
+	 *
+	 * R128_WRITE(R128_GEN_INT_CNTL,
+	 *            R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN);
+	 */
 }
 
 void r128_driver_irq_preinstall(struct drm_device * dev)
@@ -82,12 +100,9 @@ void r128_driver_irq_preinstall(struct drm_device * dev)
 	R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
 }
 
-void r128_driver_irq_postinstall(struct drm_device * dev)
+int r128_driver_irq_postinstall(struct drm_device *dev)
 {
-	drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
-
-	/* Turn on VBL interrupt */
-	R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
+	return drm_vblank_init(dev, 1);
 }
 
 void r128_driver_irq_uninstall(struct drm_device * dev)
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index e1678cae9cc..6157cd4bb43 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -1287,7 +1287,7 @@ static int radeon_do_resume_cp(struct drm_device * dev)
 	radeon_cp_init_ring_buffer(dev, dev_priv);
 
 	radeon_do_engine_reset(dev);
-	radeon_enable_interrupt(dev);
+	radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
 
 	DRM_DEBUG("radeon_do_resume_cp() complete\n");
 
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 637bd7faf13..71af746a4e4 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -52,6 +52,28 @@ static int dri_library_name(struct drm_device *dev, char *buf)
 		        "r300"));
 }
 
+static int radeon_suspend(struct drm_device *dev, pm_message_t state)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
+	/* Disable *all* interrupts */
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+		RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
+	RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
+	return 0;
+}
+
+static int radeon_resume(struct drm_device *dev)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
+	/* Restore interrupt registers */
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+		RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
+	RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+	return 0;
+}
+
 static struct pci_device_id pciidlist[] = {
 	radeon_PCI_IDS
 };
@@ -59,8 +81,7 @@ static struct pci_device_id pciidlist[] = {
 static struct drm_driver driver = {
 	.driver_features =
 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
-	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED |
-	    DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2,
+	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 	.dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 	.load = radeon_driver_load,
 	.firstopen = radeon_driver_firstopen,
@@ -69,8 +90,11 @@ static struct drm_driver driver = {
 	.postclose = radeon_driver_postclose,
 	.lastclose = radeon_driver_lastclose,
 	.unload = radeon_driver_unload,
-	.vblank_wait = radeon_driver_vblank_wait,
-	.vblank_wait2 = radeon_driver_vblank_wait2,
+	.suspend = radeon_suspend,
+	.resume = radeon_resume,
+	.get_vblank_counter = radeon_get_vblank_counter,
+	.enable_vblank = radeon_enable_vblank,
+	.disable_vblank = radeon_disable_vblank,
 	.dri_library_name = dri_library_name,
 	.irq_preinstall = radeon_driver_irq_preinstall,
 	.irq_postinstall = radeon_driver_irq_postinstall,
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 09938169317..d7e9c6cc6a1 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -378,17 +378,17 @@ extern void radeon_mem_release(struct drm_file *file_priv,
 			       struct mem_block *heap);
 
 				/* radeon_irq.c */
+extern void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state);
 extern int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv);
 extern int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_priv);
 
 extern void radeon_do_release(struct drm_device * dev);
-extern int radeon_driver_vblank_wait(struct drm_device * dev,
-				     unsigned int *sequence);
-extern int radeon_driver_vblank_wait2(struct drm_device * dev,
-				      unsigned int *sequence);
+extern u32 radeon_get_vblank_counter(struct drm_device *dev, int crtc);
+extern int radeon_enable_vblank(struct drm_device *dev, int crtc);
+extern void radeon_disable_vblank(struct drm_device *dev, int crtc);
 extern irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS);
 extern void radeon_driver_irq_preinstall(struct drm_device * dev);
-extern void radeon_driver_irq_postinstall(struct drm_device * dev);
+extern int radeon_driver_irq_postinstall(struct drm_device *dev);
 extern void radeon_driver_irq_uninstall(struct drm_device * dev);
 extern void radeon_enable_interrupt(struct drm_device *dev);
 extern int radeon_vblank_crtc_get(struct drm_device *dev);
@@ -397,19 +397,22 @@ extern int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value);
 extern int radeon_driver_load(struct drm_device *dev, unsigned long flags);
 extern int radeon_driver_unload(struct drm_device *dev);
 extern int radeon_driver_firstopen(struct drm_device *dev);
-extern void radeon_driver_preclose(struct drm_device * dev, struct drm_file *file_priv);
-extern void radeon_driver_postclose(struct drm_device * dev, struct drm_file * filp);
+extern void radeon_driver_preclose(struct drm_device *dev,
+				   struct drm_file *file_priv);
+extern void radeon_driver_postclose(struct drm_device *dev,
+				    struct drm_file *file_priv);
 extern void radeon_driver_lastclose(struct drm_device * dev);
-extern int radeon_driver_open(struct drm_device * dev, struct drm_file * filp_priv);
+extern int radeon_driver_open(struct drm_device *dev,
+			      struct drm_file *file_priv);
 extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd,
 				unsigned long arg);
 
 /* r300_cmdbuf.c */
 extern void r300_init_reg_flags(struct drm_device *dev);
 
-extern int r300_do_cp_cmdbuf(struct drm_device * dev,
+extern int r300_do_cp_cmdbuf(struct drm_device *dev,
 			     struct drm_file *file_priv,
-			     drm_radeon_kcmd_buffer_t * cmdbuf);
+			     drm_radeon_kcmd_buffer_t *cmdbuf);
 
 /* Flags for stats.boxes
  */
@@ -623,6 +626,7 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
 #	define RADEON_SW_INT_TEST		(1 << 25)
 #	define RADEON_SW_INT_TEST_ACK		(1 << 25)
 #	define RADEON_SW_INT_FIRE		(1 << 26)
+#       define R500_DISPLAY_INT_STATUS          (1 << 0)
 
 #define RADEON_HOST_PATH_CNTL		0x0130
 #	define RADEON_HDP_SOFT_RESET		(1 << 26)
@@ -1116,6 +1120,9 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
 
 #define R200_VAP_PVS_CNTL_1               0x22D0
 
+#define RADEON_CRTC_CRNT_FRAME 0x0214
+#define RADEON_CRTC2_CRNT_FRAME 0x0314
+
 #define R500_D1CRTC_STATUS 0x609c
 #define R500_D2CRTC_STATUS 0x689c
 #define R500_CRTC_V_BLANK (1<<0)
diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c
index ee40d197deb..5079f7054a2 100644
--- a/drivers/gpu/drm/radeon/radeon_irq.c
+++ b/drivers/gpu/drm/radeon/radeon_irq.c
@@ -27,7 +27,7 @@
  *
  * Authors:
  *    Keith Whitwell <keith@tungstengraphics.com>
- *    Michel Dänzer <michel@daenzer.net>
+ *    Michel D�zer <michel@daenzer.net>
  */
 
 #include "drmP.h"
@@ -35,12 +35,128 @@
 #include "radeon_drm.h"
 #include "radeon_drv.h"
 
-static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv,
-					      u32 mask)
+void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state)
 {
-	u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask;
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
+	if (state)
+		dev_priv->irq_enable_reg |= mask;
+	else
+		dev_priv->irq_enable_reg &= ~mask;
+
+	RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+}
+
+static void r500_vbl_irq_set_state(struct drm_device *dev, u32 mask, int state)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
+	if (state)
+		dev_priv->r500_disp_irq_reg |= mask;
+	else
+		dev_priv->r500_disp_irq_reg &= ~mask;
+
+	RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
+}
+
+int radeon_enable_vblank(struct drm_device *dev, int crtc)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+		switch (crtc) {
+		case 0:
+			r500_vbl_irq_set_state(dev, R500_D1MODE_INT_MASK, 1);
+			break;
+		case 1:
+			r500_vbl_irq_set_state(dev, R500_D2MODE_INT_MASK, 1);
+			break;
+		default:
+			DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+				  crtc);
+			return EINVAL;
+		}
+	} else {
+		switch (crtc) {
+		case 0:
+			radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 1);
+			break;
+		case 1:
+			radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 1);
+			break;
+		default:
+			DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+				  crtc);
+			return EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+void radeon_disable_vblank(struct drm_device *dev, int crtc)
+{
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+		switch (crtc) {
+		case 0:
+			r500_vbl_irq_set_state(dev, R500_D1MODE_INT_MASK, 0);
+			break;
+		case 1:
+			r500_vbl_irq_set_state(dev, R500_D2MODE_INT_MASK, 0);
+			break;
+		default:
+			DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+				  crtc);
+			break;
+		}
+	} else {
+		switch (crtc) {
+		case 0:
+			radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 0);
+			break;
+		case 1:
+			radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 0);
+			break;
+		default:
+			DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+				  crtc);
+			break;
+		}
+	}
+}
+
+static inline u32 radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv, u32 *r500_disp_int)
+{
+	u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS);
+	u32 irq_mask = RADEON_SW_INT_TEST;
+
+	*r500_disp_int = 0;
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+		/* vbl interrupts in a different place */
+
+		if (irqs & R500_DISPLAY_INT_STATUS) {
+			/* if a display interrupt */
+			u32 disp_irq;
+
+			disp_irq = RADEON_READ(R500_DISP_INTERRUPT_STATUS);
+
+			*r500_disp_int = disp_irq;
+			if (disp_irq & R500_D1_VBLANK_INTERRUPT)
+				RADEON_WRITE(R500_D1MODE_VBLANK_STATUS, R500_VBLANK_ACK);
+			if (disp_irq & R500_D2_VBLANK_INTERRUPT)
+				RADEON_WRITE(R500_D2MODE_VBLANK_STATUS, R500_VBLANK_ACK);
+		}
+		irq_mask |= R500_DISPLAY_INT_STATUS;
+	} else
+		irq_mask |= RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT;
+
+	irqs &=	irq_mask;
+
 	if (irqs)
 		RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs);
+
 	return irqs;
 }
 
@@ -68,44 +184,33 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS)
 	drm_radeon_private_t *dev_priv =
 	    (drm_radeon_private_t *) dev->dev_private;
 	u32 stat;
+	u32 r500_disp_int;
 
 	/* Only consider the bits we're interested in - others could be used
 	 * outside the DRM
 	 */
-	stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
-						  RADEON_CRTC_VBLANK_STAT |
-						  RADEON_CRTC2_VBLANK_STAT));
+	stat = radeon_acknowledge_irqs(dev_priv, &r500_disp_int);
 	if (!stat)
 		return IRQ_NONE;
 
 	stat &= dev_priv->irq_enable_reg;
 
 	/* SW interrupt */
-	if (stat & RADEON_SW_INT_TEST) {
+	if (stat & RADEON_SW_INT_TEST)
 		DRM_WAKEUP(&dev_priv->swi_queue);
-	}
 
 	/* VBLANK interrupt */
-	if (stat & (RADEON_CRTC_VBLANK_STAT|RADEON_CRTC2_VBLANK_STAT)) {
-		int vblank_crtc = dev_priv->vblank_crtc;
-
-		if ((vblank_crtc &
-		     (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) ==
-		    (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) {
-			if (stat & RADEON_CRTC_VBLANK_STAT)
-				atomic_inc(&dev->vbl_received);
-			if (stat & RADEON_CRTC2_VBLANK_STAT)
-				atomic_inc(&dev->vbl_received2);
-		} else if (((stat & RADEON_CRTC_VBLANK_STAT) &&
-			   (vblank_crtc & DRM_RADEON_VBLANK_CRTC1)) ||
-			   ((stat & RADEON_CRTC2_VBLANK_STAT) &&
-			    (vblank_crtc & DRM_RADEON_VBLANK_CRTC2)))
-			atomic_inc(&dev->vbl_received);
-
-		DRM_WAKEUP(&dev->vbl_queue);
-		drm_vbl_send_signals(dev);
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+		if (r500_disp_int & R500_D1_VBLANK_INTERRUPT)
+			drm_handle_vblank(dev, 0);
+		if (r500_disp_int & R500_D2_VBLANK_INTERRUPT)
+			drm_handle_vblank(dev, 1);
+	} else {
+		if (stat & RADEON_CRTC_VBLANK_STAT)
+			drm_handle_vblank(dev, 0);
+		if (stat & RADEON_CRTC2_VBLANK_STAT)
+			drm_handle_vblank(dev, 1);
 	}
-
 	return IRQ_HANDLED;
 }
 
@@ -144,54 +249,31 @@ static int radeon_wait_irq(struct drm_device * dev, int swi_nr)
 	return ret;
 }
 
-static int radeon_driver_vblank_do_wait(struct drm_device * dev,
-					unsigned int *sequence, int crtc)
+u32 radeon_get_vblank_counter(struct drm_device *dev, int crtc)
 {
-	drm_radeon_private_t *dev_priv =
-	    (drm_radeon_private_t *) dev->dev_private;
-	unsigned int cur_vblank;
-	int ret = 0;
-	int ack = 0;
-	atomic_t *counter;
+	drm_radeon_private_t *dev_priv = dev->dev_private;
+
 	if (!dev_priv) {
 		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
 	}
 
-	if (crtc == DRM_RADEON_VBLANK_CRTC1) {
-		counter = &dev->vbl_received;
-		ack |= RADEON_CRTC_VBLANK_STAT;
-	} else if (crtc == DRM_RADEON_VBLANK_CRTC2) {
-		counter = &dev->vbl_received2;
-		ack |= RADEON_CRTC2_VBLANK_STAT;
-	} else
+	if (crtc < 0 || crtc > 1) {
+		DRM_ERROR("Invalid crtc %d\n", crtc);
 		return -EINVAL;
+	}
 
-	radeon_acknowledge_irqs(dev_priv, ack);
-
-	dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
-	/* Assume that the user has missed the current sequence number
-	 * by about a day rather than she wants to wait for years
-	 * using vertical blanks...
-	 */
-	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-		    (((cur_vblank = atomic_read(counter))
-		      - *sequence) <= (1 << 23)));
-
-	*sequence = cur_vblank;
-
-	return ret;
-}
-
-int radeon_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence)
-{
-	return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1);
-}
-
-int radeon_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence)
-{
-	return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2);
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+		if (crtc == 0)
+			return RADEON_READ(R500_D1CRTC_FRAME_COUNT);
+		else
+			return RADEON_READ(R500_D2CRTC_FRAME_COUNT);
+	} else {
+		if (crtc == 0)
+			return RADEON_READ(RADEON_CRTC_CRNT_FRAME);
+		else
+			return RADEON_READ(RADEON_CRTC2_CRNT_FRAME);
+	}
 }
 
 /* Needs the lock as it touches the ring.
@@ -234,46 +316,41 @@ int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_pr
 	return radeon_wait_irq(dev, irqwait->irq_seq);
 }
 
-void radeon_enable_interrupt(struct drm_device *dev)
-{
-	drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
-
-	dev_priv->irq_enable_reg = RADEON_SW_INT_ENABLE;
-	if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC1)
-		dev_priv->irq_enable_reg |= RADEON_CRTC_VBLANK_MASK;
-
-	if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC2)
-		dev_priv->irq_enable_reg |= RADEON_CRTC2_VBLANK_MASK;
-
-	RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
-	dev_priv->irq_enabled = 1;
-}
-
 /* drm_dma.h hooks
 */
 void radeon_driver_irq_preinstall(struct drm_device * dev)
 {
 	drm_radeon_private_t *dev_priv =
 	    (drm_radeon_private_t *) dev->dev_private;
+	u32 dummy;
 
 	/* Disable *all* interrupts */
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+		RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 	RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 
 	/* Clear bits if they're already high */
-	radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
-					   RADEON_CRTC_VBLANK_STAT |
-					   RADEON_CRTC2_VBLANK_STAT));
+	radeon_acknowledge_irqs(dev_priv, &dummy);
 }
 
-void radeon_driver_irq_postinstall(struct drm_device * dev)
+int radeon_driver_irq_postinstall(struct drm_device *dev)
 {
 	drm_radeon_private_t *dev_priv =
 	    (drm_radeon_private_t *) dev->dev_private;
+	int ret;
 
 	atomic_set(&dev_priv->swi_emitted, 0);
 	DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
 
-	radeon_enable_interrupt(dev);
+	ret = drm_vblank_init(dev, 2);
+	if (ret)
+		return ret;
+
+	dev->max_vblank_count = 0x001fffff;
+
+	radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
+
+	return 0;
 }
 
 void radeon_driver_irq_uninstall(struct drm_device * dev)
@@ -285,6 +362,8 @@ void radeon_driver_irq_uninstall(struct drm_device * dev)
 
 	dev_priv->irq_enabled = 0;
 
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+		RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 	/* Disable *all* interrupts */
 	RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 }
@@ -293,18 +372,8 @@ void radeon_driver_irq_uninstall(struct drm_device * dev)
 int radeon_vblank_crtc_get(struct drm_device *dev)
 {
 	drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
-	u32 flag;
-	u32 value;
-
-	flag = RADEON_READ(RADEON_GEN_INT_CNTL);
-	value = 0;
-
-	if (flag & RADEON_CRTC_VBLANK_MASK)
-		value |= DRM_RADEON_VBLANK_CRTC1;
 
-	if (flag & RADEON_CRTC2_VBLANK_MASK)
-		value |= DRM_RADEON_VBLANK_CRTC2;
-	return value;
+	return dev_priv->vblank_crtc;
 }
 
 int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value)
@@ -315,6 +384,5 @@ int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value)
 		return -EINVAL;
 	}
 	dev_priv->vblank_crtc = (unsigned int)value;
-	radeon_enable_interrupt(dev);
 	return 0;
 }
diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c
index 80c01cdfa37..0993b441fc4 100644
--- a/drivers/gpu/drm/via/via_drv.c
+++ b/drivers/gpu/drm/via/via_drv.c
@@ -40,11 +40,13 @@ static struct pci_device_id pciidlist[] = {
 static struct drm_driver driver = {
 	.driver_features =
 	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
-	    DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
+	    DRIVER_IRQ_SHARED,
 	.load = via_driver_load,
 	.unload = via_driver_unload,
 	.context_dtor = via_final_context,
-	.vblank_wait = via_driver_vblank_wait,
+	.get_vblank_counter = via_get_vblank_counter,
+	.enable_vblank = via_enable_vblank,
+	.disable_vblank = via_disable_vblank,
 	.irq_preinstall = via_driver_irq_preinstall,
 	.irq_postinstall = via_driver_irq_postinstall,
 	.irq_uninstall = via_driver_irq_uninstall,
@@ -59,17 +61,17 @@ static struct drm_driver driver = {
 	.get_reg_ofs = drm_core_get_reg_ofs,
 	.ioctls = via_ioctls,
 	.fops = {
-		 .owner = THIS_MODULE,
-		 .open = drm_open,
-		 .release = drm_release,
-		 .ioctl = drm_ioctl,
-		 .mmap = drm_mmap,
-		 .poll = drm_poll,
-		 .fasync = drm_fasync,
-	},
+		.owner = THIS_MODULE,
+		.open = drm_open,
+		.release = drm_release,
+		.ioctl = drm_ioctl,
+		.mmap = drm_mmap,
+		.poll = drm_poll,
+		.fasync = drm_fasync,
+		},
 	.pci_driver = {
-		 .name = DRIVER_NAME,
-		 .id_table = pciidlist,
+		.name = DRIVER_NAME,
+		.id_table = pciidlist,
 	},
 
 	.name = DRIVER_NAME,
diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h
index 2daae81874c..cafcb844a22 100644
--- a/drivers/gpu/drm/via/via_drv.h
+++ b/drivers/gpu/drm/via/via_drv.h
@@ -75,6 +75,7 @@ typedef struct drm_via_private {
 	struct timeval last_vblank;
 	int last_vblank_valid;
 	unsigned usec_per_vblank;
+	atomic_t vbl_received;
 	drm_via_state_t hc_state;
 	char pci_buf[VIA_PCI_BUF_SIZE];
 	const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
@@ -130,21 +131,24 @@ extern int via_init_context(struct drm_device * dev, int context);
 extern int via_final_context(struct drm_device * dev, int context);
 
 extern int via_do_cleanup_map(struct drm_device * dev);
-extern int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence);
+extern u32 via_get_vblank_counter(struct drm_device *dev, int crtc);
+extern int via_enable_vblank(struct drm_device *dev, int crtc);
+extern void via_disable_vblank(struct drm_device *dev, int crtc);
 
 extern irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS);
 extern void via_driver_irq_preinstall(struct drm_device * dev);
-extern void via_driver_irq_postinstall(struct drm_device * dev);
+extern int via_driver_irq_postinstall(struct drm_device *dev);
 extern void via_driver_irq_uninstall(struct drm_device * dev);
 
 extern int via_dma_cleanup(struct drm_device * dev);
 extern void via_init_command_verifier(void);
 extern int via_driver_dma_quiescent(struct drm_device * dev);
-extern void via_init_futex(drm_via_private_t * dev_priv);
-extern void via_cleanup_futex(drm_via_private_t * dev_priv);
-extern void via_release_futex(drm_via_private_t * dev_priv, int context);
+extern void via_init_futex(drm_via_private_t *dev_priv);
+extern void via_cleanup_futex(drm_via_private_t *dev_priv);
+extern void via_release_futex(drm_via_private_t *dev_priv, int context);
 
-extern void via_reclaim_buffers_locked(struct drm_device *dev, struct drm_file *file_priv);
+extern void via_reclaim_buffers_locked(struct drm_device *dev,
+				       struct drm_file *file_priv);
 extern void via_lastclose(struct drm_device *dev);
 
 extern void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq);
diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
index c6bb978a110..1b966fbdb49 100644
--- a/drivers/gpu/drm/via/via_irq.c
+++ b/drivers/gpu/drm/via/via_irq.c
@@ -43,7 +43,7 @@
 #define VIA_REG_INTERRUPT       0x200
 
 /* VIA_REG_INTERRUPT */
-#define VIA_IRQ_GLOBAL          (1 << 31)
+#define VIA_IRQ_GLOBAL	  (1 << 31)
 #define VIA_IRQ_VBLANK_ENABLE   (1 << 19)
 #define VIA_IRQ_VBLANK_PENDING  (1 << 3)
 #define VIA_IRQ_HQV0_ENABLE     (1 << 11)
@@ -68,16 +68,15 @@
 
 static maskarray_t via_pro_group_a_irqs[] = {
 	{VIA_IRQ_HQV0_ENABLE, VIA_IRQ_HQV0_PENDING, 0x000003D0, 0x00008010,
-	 0x00000000},
+	 0x00000000 },
 	{VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010,
-	 0x00000000},
+	 0x00000000 },
 	{VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0,
 	 VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008},
 	{VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1,
 	 VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008},
 };
-static int via_num_pro_group_a =
-    sizeof(via_pro_group_a_irqs) / sizeof(maskarray_t);
+static int via_num_pro_group_a = ARRAY_SIZE(via_pro_group_a_irqs);
 static int via_irqmap_pro_group_a[] = {0, 1, -1, 2, -1, 3};
 
 static maskarray_t via_unichrome_irqs[] = {
@@ -86,14 +85,24 @@ static maskarray_t via_unichrome_irqs[] = {
 	{VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1,
 	 VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}
 };
-static int via_num_unichrome = sizeof(via_unichrome_irqs) / sizeof(maskarray_t);
+static int via_num_unichrome = ARRAY_SIZE(via_unichrome_irqs);
 static int via_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1};
 
+
 static unsigned time_diff(struct timeval *now, struct timeval *then)
 {
 	return (now->tv_usec >= then->tv_usec) ?
-	    now->tv_usec - then->tv_usec :
-	    1000000 - (then->tv_usec - now->tv_usec);
+		now->tv_usec - then->tv_usec :
+		1000000 - (then->tv_usec - now->tv_usec);
+}
+
+u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+	drm_via_private_t *dev_priv = dev->dev_private;
+	if (crtc != 0)
+		return 0;
+
+	return atomic_read(&dev_priv->vbl_received);
 }
 
 irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
@@ -108,23 +117,22 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
 
 	status = VIA_READ(VIA_REG_INTERRUPT);
 	if (status & VIA_IRQ_VBLANK_PENDING) {
-		atomic_inc(&dev->vbl_received);
-		if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
+		atomic_inc(&dev_priv->vbl_received);
+		if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) {
 			do_gettimeofday(&cur_vblank);
 			if (dev_priv->last_vblank_valid) {
 				dev_priv->usec_per_vblank =
-				    time_diff(&cur_vblank,
-					      &dev_priv->last_vblank) >> 4;
+					time_diff(&cur_vblank,
+						  &dev_priv->last_vblank) >> 4;
 			}
 			dev_priv->last_vblank = cur_vblank;
 			dev_priv->last_vblank_valid = 1;
 		}
-		if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
+		if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
 			DRM_DEBUG("US per vblank is: %u\n",
 				  dev_priv->usec_per_vblank);
 		}
-		DRM_WAKEUP(&dev->vbl_queue);
-		drm_vbl_send_signals(dev);
+		drm_handle_vblank(dev, 0);
 		handled = 1;
 	}
 
@@ -145,6 +153,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
 	/* Acknowlege interrupts */
 	VIA_WRITE(VIA_REG_INTERRUPT, status);
 
+
 	if (handled)
 		return IRQ_HANDLED;
 	else
@@ -163,31 +172,34 @@ static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
 	}
 }
 
-int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+int via_enable_vblank(struct drm_device *dev, int crtc)
 {
-	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
-	unsigned int cur_vblank;
-	int ret = 0;
+	drm_via_private_t *dev_priv = dev->dev_private;
+	u32 status;
 
-	DRM_DEBUG("\n");
-	if (!dev_priv) {
-		DRM_ERROR("called with no initialization\n");
+	if (crtc != 0) {
+		DRM_ERROR("%s:  bad crtc %d\n", __func__, crtc);
 		return -EINVAL;
 	}
 
-	viadrv_acknowledge_irqs(dev_priv);
+	status = VIA_READ(VIA_REG_INTERRUPT);
+	VIA_WRITE(VIA_REG_INTERRUPT, status & VIA_IRQ_VBLANK_ENABLE);
+
+	VIA_WRITE8(0x83d4, 0x11);
+	VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
 
-	/* Assume that the user has missed the current sequence number
-	 * by about a day rather than she wants to wait for years
-	 * using vertical blanks...
-	 */
+	return 0;
+}
 
-	DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-		    (((cur_vblank = atomic_read(&dev->vbl_received)) -
-		      *sequence) <= (1 << 23)));
+void via_disable_vblank(struct drm_device *dev, int crtc)
+{
+	drm_via_private_t *dev_priv = dev->dev_private;
 
-	*sequence = cur_vblank;
-	return ret;
+	VIA_WRITE8(0x83d4, 0x11);
+	VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) & ~0x30);
+
+	if (crtc != 0)
+		DRM_ERROR("%s:  bad crtc %d\n", __func__, crtc);
 }
 
 static int
@@ -239,6 +251,7 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc
 	return ret;
 }
 
+
 /*
  * drm_dma.h hooks
  */
@@ -292,23 +305,25 @@ void via_driver_irq_preinstall(struct drm_device * dev)
 	}
 }
 
-void via_driver_irq_postinstall(struct drm_device * dev)
+int via_driver_irq_postinstall(struct drm_device *dev)
 {
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	u32 status;
 
-	DRM_DEBUG("\n");
-	if (dev_priv) {
-		status = VIA_READ(VIA_REG_INTERRUPT);
-		VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
-			  | dev_priv->irq_enable_mask);
+	DRM_DEBUG("via_driver_irq_postinstall\n");
+	if (!dev_priv)
+		return -EINVAL;
 
-		/* Some magic, oh for some data sheets ! */
+	drm_vblank_init(dev, 1);
+	status = VIA_READ(VIA_REG_INTERRUPT);
+	VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
+		  | dev_priv->irq_enable_mask);
 
-		VIA_WRITE8(0x83d4, 0x11);
-		VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
+	/* Some magic, oh for some data sheets ! */
+	VIA_WRITE8(0x83d4, 0x11);
+	VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
 
-	}
+	return 0;
 }
 
 void via_driver_irq_uninstall(struct drm_device * dev)
@@ -352,7 +367,8 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
 
 	switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) {
 	case VIA_IRQ_RELATIVE:
-		irqwait->request.sequence += atomic_read(&cur_irq->irq_received);
+		irqwait->request.sequence +=
+			atomic_read(&cur_irq->irq_received);
 		irqwait->request.type &= ~_DRM_VBLANK_RELATIVE;
 	case VIA_IRQ_ABSOLUTE:
 		break;
diff --git a/include/drm/drm.h b/include/drm/drm.h
index 0864c692094..15e55039b7f 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -454,6 +454,7 @@ struct drm_irq_busid {
 enum drm_vblank_seq_type {
 	_DRM_VBLANK_ABSOLUTE = 0x0,	/**< Wait for specific vblank sequence number */
 	_DRM_VBLANK_RELATIVE = 0x1,	/**< Wait for given number of vblanks */
+	_DRM_VBLANK_FLIP = 0x8000000,   /**< Scheduled buffer swap should flip */
 	_DRM_VBLANK_NEXTONMISS = 0x10000000,	/**< If missed, wait for next vblank */
 	_DRM_VBLANK_SECONDARY = 0x20000000,	/**< Secondary display controller */
 	_DRM_VBLANK_SIGNAL = 0x40000000	/**< Send signal instead of blocking */
@@ -486,6 +487,19 @@ union drm_wait_vblank {
 	struct drm_wait_vblank_reply reply;
 };
 
+#define _DRM_PRE_MODESET 1
+#define _DRM_POST_MODESET 2
+
+/**
+ * DRM_IOCTL_MODESET_CTL ioctl argument type
+ *
+ * \sa drmModesetCtl().
+ */
+struct drm_modeset_ctl {
+	uint32_t crtc;
+	uint32_t cmd;
+};
+
 /**
  * DRM_IOCTL_AGP_ENABLE ioctl argument type.
  *
@@ -570,6 +584,7 @@ struct drm_set_version {
 #define DRM_IOCTL_GET_CLIENT            DRM_IOWR(0x05, struct drm_client)
 #define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
 #define DRM_IOCTL_SET_VERSION		DRM_IOWR(0x07, struct drm_set_version)
+#define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct drm_modeset_ctl)
 
 #define DRM_IOCTL_SET_UNIQUE		DRM_IOW( 0x10, struct drm_unique)
 #define DRM_IOCTL_AUTH_MAGIC		DRM_IOW( 0x11, struct drm_auth)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 1c1b13e2922..e79ce0781f0 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -580,10 +580,53 @@ struct drm_driver {
 	int (*kernel_context_switch) (struct drm_device *dev, int old,
 				      int new);
 	void (*kernel_context_switch_unlock) (struct drm_device *dev);
-	int (*vblank_wait) (struct drm_device *dev, unsigned int *sequence);
-	int (*vblank_wait2) (struct drm_device *dev, unsigned int *sequence);
 	int (*dri_library_name) (struct drm_device *dev, char *buf);
 
+	/**
+	 * get_vblank_counter - get raw hardware vblank counter
+	 * @dev: DRM device
+	 * @crtc: counter to fetch
+	 *
+	 * Driver callback for fetching a raw hardware vblank counter
+	 * for @crtc.  If a device doesn't have a hardware counter, the
+	 * driver can simply return the value of drm_vblank_count and
+	 * make the enable_vblank() and disable_vblank() hooks into no-ops,
+	 * leaving interrupts enabled at all times.
+	 *
+	 * Wraparound handling and loss of events due to modesetting is dealt
+	 * with in the DRM core code.
+	 *
+	 * RETURNS
+	 * Raw vblank counter value.
+	 */
+	u32 (*get_vblank_counter) (struct drm_device *dev, int crtc);
+
+	/**
+	 * enable_vblank - enable vblank interrupt events
+	 * @dev: DRM device
+	 * @crtc: which irq to enable
+	 *
+	 * Enable vblank interrupts for @crtc.  If the device doesn't have
+	 * a hardware vblank counter, this routine should be a no-op, since
+	 * interrupts will have to stay on to keep the count accurate.
+	 *
+	 * RETURNS
+	 * Zero on success, appropriate errno if the given @crtc's vblank
+	 * interrupt cannot be enabled.
+	 */
+	int (*enable_vblank) (struct drm_device *dev, int crtc);
+
+	/**
+	 * disable_vblank - disable vblank interrupt events
+	 * @dev: DRM device
+	 * @crtc: which irq to enable
+	 *
+	 * Disable vblank interrupts for @crtc.  If the device doesn't have
+	 * a hardware vblank counter, this routine should be a no-op, since
+	 * interrupts will have to stay on to keep the count accurate.
+	 */
+	void (*disable_vblank) (struct drm_device *dev, int crtc);
+
 	/**
 	 * Called by \c drm_device_is_agp.  Typically used to determine if a
 	 * card is really attached to AGP or not.
@@ -601,7 +644,7 @@ struct drm_driver {
 
 	irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
 	void (*irq_preinstall) (struct drm_device *dev);
-	void (*irq_postinstall) (struct drm_device *dev);
+	int (*irq_postinstall) (struct drm_device *dev);
 	void (*irq_uninstall) (struct drm_device *dev);
 	void (*reclaim_buffers) (struct drm_device *dev,
 				 struct drm_file * file_priv);
@@ -730,13 +773,28 @@ struct drm_device {
 	/** \name VBLANK IRQ support */
 	/*@{ */
 
-	wait_queue_head_t vbl_queue;	/**< VBLANK wait queue */
-	atomic_t vbl_received;
-	atomic_t vbl_received2;		/**< number of secondary VBLANK interrupts */
+	/*
+	 * At load time, disabling the vblank interrupt won't be allowed since
+	 * old clients may not call the modeset ioctl and therefore misbehave.
+	 * Once the modeset ioctl *has* been called though, we can safely
+	 * disable them when unused.
+	 */
+	int vblank_disable_allowed;
+
+	wait_queue_head_t *vbl_queue;   /**< VBLANK wait queue */
+	atomic_t *_vblank_count;        /**< number of VBLANK interrupts (driver must alloc the right number of counters) */
 	spinlock_t vbl_lock;
-	struct list_head vbl_sigs;		/**< signal list to send on VBLANK */
-	struct list_head vbl_sigs2;	/**< signals to send on secondary VBLANK */
-	unsigned int vbl_pending;
+	struct list_head *vbl_sigs;	/**< signal list to send on VBLANK */
+	atomic_t vbl_signal_pending;    /* number of signals pending on all crtcs*/
+	atomic_t *vblank_refcount;      /* number of users of vblank interruptsper crtc */
+	u32 *last_vblank;               /* protected by dev->vbl_lock, used */
+					/* for wraparound handling */
+	int *vblank_enabled;            /* so we don't call enable more than
+					   once per disable */
+	int *vblank_inmodeset;          /* Display driver is setting mode */
+	struct timer_list vblank_disable_timer;
+
+	u32 max_vblank_count;           /**< size of vblank counter register */
 	spinlock_t tasklet_lock;	/**< For drm_locked_tasklet */
 	void (*locked_tasklet_func)(struct drm_device *dev);
 
@@ -757,6 +815,7 @@ struct drm_device {
 	struct pci_controller *hose;
 #endif
 	struct drm_sg_mem *sg;	/**< Scatter gather memory */
+	int num_crtcs;                  /**< Number of CRTCs on this device */
 	void *dev_private;		/**< device private data */
 	struct drm_sigdata sigdata;	   /**< For block_all_signals */
 	sigset_t sigmask;
@@ -990,10 +1049,19 @@ extern void drm_driver_irq_preinstall(struct drm_device *dev);
 extern void drm_driver_irq_postinstall(struct drm_device *dev);
 extern void drm_driver_irq_uninstall(struct drm_device *dev);
 
+extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
 extern int drm_wait_vblank(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
+			   struct drm_file *filp);
 extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
-extern void drm_vbl_send_signals(struct drm_device *dev);
+extern void drm_locked_tasklet(struct drm_device *dev,
+			       void(*func)(struct drm_device *));
+extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
+extern void drm_handle_vblank(struct drm_device *dev, int crtc);
+extern int drm_vblank_get(struct drm_device *dev, int crtc);
+extern void drm_vblank_put(struct drm_device *dev, int crtc);
+/* Modesetting support */
+extern int drm_modeset_ctl(struct drm_device *dev, void *data,
+			   struct drm_file *file_priv);
 extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
 
 				/* AGP/GART support (drm_agpsupport.h) */
-- 
GitLab


From 395e0ddc44005ced5e4fed9bfc2e4bdf63d37627 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 20 Jun 2008 00:08:06 -0700
Subject: [PATCH 1127/2224] Export shmem_file_setup for DRM-GEM

GEM needs to create shmem files to back buffer objects.  Though currently
creation of files for objects could have been driven from userland, the
modesetting work will require allocation of buffer objects before userland
is running, for boot-time message display.

Signed-off-by: Eric Anholt <eric@anholt.net>
Cc: Nick Piggin <npiggin@suse.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 mm/shmem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/shmem.c b/mm/shmem.c
index bf66d0191ba..d87958a5f03 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2580,6 +2580,7 @@ put_memory:
 	shmem_unacct_size(flags, size);
 	return ERR_PTR(error);
 }
+EXPORT_SYMBOL_GPL(shmem_file_setup);
 
 /**
  * shmem_zero_setup - setup a shared anonymous mapping
-- 
GitLab


From d1d8c925b71dd6753bf438f9e14a9e5c5183bcc6 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 21 Aug 2008 12:53:33 -0700
Subject: [PATCH 1128/2224] Export kmap_atomic_pfn for DRM-GEM.

The driver would like to map IO space directly for copying data in when
appropriate, to avoid CPU cache flushing for streaming writes.
kmap_atomic_pfn lets us avoid IPIs associated with ioremap for this process.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 arch/x86/mm/highmem_32.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index 165c871ba9a..bcc079c282d 100644
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c
@@ -137,6 +137,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)
 
 	return (void*) vaddr;
 }
+EXPORT_SYMBOL_GPL(kmap_atomic_pfn); /* temporarily in use by i915 GEM until vmap */
 
 struct page *kmap_atomic_to_page(void *ptr)
 {
-- 
GitLab


From 673a394b1e3b69be886ff24abfd6df97c52e8d08 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 30 Jul 2008 12:06:12 -0700
Subject: [PATCH 1129/2224] drm: Add GEM ("graphics execution manager") to i915
 driver.

GEM allows the creation of persistent buffer objects accessible by the
graphics device through new ioctls for managing execution of commands on the
device.  The userland API is almost entirely driver-specific to ensure that
any driver building on this model can easily map the interface to individual
driver requirements.

GEM is used by the 2d driver for managing its internal state allocations and
will be used for pixmap storage to reduce memory consumption and enable
zero-copy GLX_EXT_texture_from_pixmap, and in the 3d driver is used to enable
GL_EXT_framebuffer_object and GL_ARB_pixel_buffer_object.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Makefile               |    5 +-
 drivers/gpu/drm/drm_agpsupport.c       |   51 +-
 drivers/gpu/drm/drm_cache.c            |   76 +
 drivers/gpu/drm/drm_drv.c              |    4 +
 drivers/gpu/drm/drm_fops.c             |    6 +
 drivers/gpu/drm/drm_gem.c              |  420 ++++
 drivers/gpu/drm/drm_memory.c           |    2 +
 drivers/gpu/drm/drm_mm.c               |    5 +-
 drivers/gpu/drm/drm_proc.c             |  135 +-
 drivers/gpu/drm/drm_stub.c             |   10 +
 drivers/gpu/drm/i915/Makefile          |    6 +-
 drivers/gpu/drm/i915/i915_dma.c        |   94 +-
 drivers/gpu/drm/i915/i915_drv.c        |   11 +-
 drivers/gpu/drm/i915/i915_drv.h        |  253 ++-
 drivers/gpu/drm/i915/i915_gem.c        | 2497 ++++++++++++++++++++++++
 drivers/gpu/drm/i915/i915_gem_debug.c  |  201 ++
 drivers/gpu/drm/i915/i915_gem_proc.c   |  292 +++
 drivers/gpu/drm/i915/i915_gem_tiling.c |  256 +++
 drivers/gpu/drm/i915/i915_irq.c        |   19 +-
 drivers/gpu/drm/i915/i915_reg.h        |   37 +-
 include/drm/drm.h                      |   31 +
 include/drm/drmP.h                     |  151 ++
 include/drm/i915_drm.h                 |  332 ++++
 23 files changed, 4832 insertions(+), 62 deletions(-)
 create mode 100644 drivers/gpu/drm/drm_cache.c
 create mode 100644 drivers/gpu/drm/drm_gem.c
 create mode 100644 drivers/gpu/drm/i915/i915_gem.c
 create mode 100644 drivers/gpu/drm/i915/i915_gem_debug.c
 create mode 100644 drivers/gpu/drm/i915/i915_gem_proc.c
 create mode 100644 drivers/gpu/drm/i915/i915_gem_tiling.c

diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index e9f9a97ae00..74da99495e2 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -4,8 +4,9 @@
 
 ccflags-y := -Iinclude/drm
 
-drm-y       :=	drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \
-		drm_drv.o drm_fops.o drm_ioctl.o drm_irq.o \
+drm-y       :=	drm_auth.o drm_bufs.o drm_cache.o \
+		drm_context.o drm_dma.o drm_drawable.o \
+		drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
 		drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
 		drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
 		drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o
diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c
index aefa5ac4c0b..2639be2db9e 100644
--- a/drivers/gpu/drm/drm_agpsupport.c
+++ b/drivers/gpu/drm/drm_agpsupport.c
@@ -33,6 +33,7 @@
 
 #include "drmP.h"
 #include <linux/module.h>
+#include <asm/agp.h>
 
 #if __OS_HAS_AGP
 
@@ -452,4 +453,52 @@ int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
 	return agp_unbind_memory(handle);
 }
 
-#endif				/* __OS_HAS_AGP */
+/**
+ * Binds a collection of pages into AGP memory at the given offset, returning
+ * the AGP memory structure containing them.
+ *
+ * No reference is held on the pages during this time -- it is up to the
+ * caller to handle that.
+ */
+DRM_AGP_MEM *
+drm_agp_bind_pages(struct drm_device *dev,
+		   struct page **pages,
+		   unsigned long num_pages,
+		   uint32_t gtt_offset)
+{
+	DRM_AGP_MEM *mem;
+	int ret, i;
+
+	DRM_DEBUG("\n");
+
+	mem = drm_agp_allocate_memory(dev->agp->bridge, num_pages,
+				      AGP_USER_MEMORY);
+	if (mem == NULL) {
+		DRM_ERROR("Failed to allocate memory for %ld pages\n",
+			  num_pages);
+		return NULL;
+	}
+
+	for (i = 0; i < num_pages; i++)
+		mem->memory[i] = phys_to_gart(page_to_phys(pages[i]));
+	mem->page_count = num_pages;
+
+	mem->is_flushed = true;
+	ret = drm_agp_bind_memory(mem, gtt_offset / PAGE_SIZE);
+	if (ret != 0) {
+		DRM_ERROR("Failed to bind AGP memory: %d\n", ret);
+		agp_free_memory(mem);
+		return NULL;
+	}
+
+	return mem;
+}
+EXPORT_SYMBOL(drm_agp_bind_pages);
+
+void drm_agp_chipset_flush(struct drm_device *dev)
+{
+	agp_flush_chipset(dev->agp->bridge);
+}
+EXPORT_SYMBOL(drm_agp_chipset_flush);
+
+#endif /* __OS_HAS_AGP */
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
new file mode 100644
index 00000000000..9475f7d9901
--- /dev/null
+++ b/drivers/gpu/drm/drm_cache.c
@@ -0,0 +1,76 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include "drmP.h"
+
+#if defined(CONFIG_X86)
+static void
+drm_clflush_page(struct page *page)
+{
+	uint8_t *page_virtual;
+	unsigned int i;
+
+	if (unlikely(page == NULL))
+		return;
+
+	page_virtual = kmap_atomic(page, KM_USER0);
+	for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size)
+		clflush(page_virtual + i);
+	kunmap_atomic(page_virtual, KM_USER0);
+}
+#endif
+
+static void
+drm_clflush_ipi_handler(void *null)
+{
+	wbinvd();
+}
+
+void
+drm_clflush_pages(struct page *pages[], unsigned long num_pages)
+{
+
+#if defined(CONFIG_X86)
+	if (cpu_has_clflush) {
+		unsigned long i;
+
+		mb();
+		for (i = 0; i < num_pages; ++i)
+			drm_clflush_page(*pages++);
+		mb();
+
+		return;
+	}
+#endif
+
+	if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0)
+		DRM_ERROR("Timed out waiting for cache flush.\n");
+}
+EXPORT_SYMBOL(drm_clflush_pages);
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index fb45fe7aeb8..96f416afc3f 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -119,6 +119,10 @@ static struct drm_ioctl_desc drm_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_IOCTL_MODESET_CTL, drm_modeset_ctl, 0),
 
 	DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH),
 };
 
 #define DRM_CORE_IOCTL_COUNT	ARRAY_SIZE( drm_ioctls )
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index dcf8b4dc954..0d46627663b 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -256,6 +256,9 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
 
 	INIT_LIST_HEAD(&priv->lhead);
 
+	if (dev->driver->driver_features & DRIVER_GEM)
+		drm_gem_open(dev, priv);
+
 	if (dev->driver->open) {
 		ret = dev->driver->open(dev, priv);
 		if (ret < 0)
@@ -400,6 +403,9 @@ int drm_release(struct inode *inode, struct file *filp)
 		dev->driver->reclaim_buffers(dev, file_priv);
 	}
 
+	if (dev->driver->driver_features & DRIVER_GEM)
+		drm_gem_release(dev, file_priv);
+
 	drm_fasync(-1, filp, 0);
 
 	mutex_lock(&dev->ctxlist_mutex);
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
new file mode 100644
index 00000000000..434155b387e
--- /dev/null
+++ b/drivers/gpu/drm/drm_gem.c
@@ -0,0 +1,420 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/uaccess.h>
+#include <linux/fs.h>
+#include <linux/file.h>
+#include <linux/module.h>
+#include <linux/mman.h>
+#include <linux/pagemap.h>
+#include "drmP.h"
+
+/** @file drm_gem.c
+ *
+ * This file provides some of the base ioctls and library routines for
+ * the graphics memory manager implemented by each device driver.
+ *
+ * Because various devices have different requirements in terms of
+ * synchronization and migration strategies, implementing that is left up to
+ * the driver, and all that the general API provides should be generic --
+ * allocating objects, reading/writing data with the cpu, freeing objects.
+ * Even there, platform-dependent optimizations for reading/writing data with
+ * the CPU mean we'll likely hook those out to driver-specific calls.  However,
+ * the DRI2 implementation wants to have at least allocate/mmap be generic.
+ *
+ * The goal was to have swap-backed object allocation managed through
+ * struct file.  However, file descriptors as handles to a struct file have
+ * two major failings:
+ * - Process limits prevent more than 1024 or so being used at a time by
+ *   default.
+ * - Inability to allocate high fds will aggravate the X Server's select()
+ *   handling, and likely that of many GL client applications as well.
+ *
+ * This led to a plan of using our own integer IDs (called handles, following
+ * DRM terminology) to mimic fds, and implement the fd syscalls we need as
+ * ioctls.  The objects themselves will still include the struct file so
+ * that we can transition to fds if the required kernel infrastructure shows
+ * up at a later date, and as our interface with shmfs for memory allocation.
+ */
+
+/**
+ * Initialize the GEM device fields
+ */
+
+int
+drm_gem_init(struct drm_device *dev)
+{
+	spin_lock_init(&dev->object_name_lock);
+	idr_init(&dev->object_name_idr);
+	atomic_set(&dev->object_count, 0);
+	atomic_set(&dev->object_memory, 0);
+	atomic_set(&dev->pin_count, 0);
+	atomic_set(&dev->pin_memory, 0);
+	atomic_set(&dev->gtt_count, 0);
+	atomic_set(&dev->gtt_memory, 0);
+	return 0;
+}
+
+/**
+ * Allocate a GEM object of the specified size with shmfs backing store
+ */
+struct drm_gem_object *
+drm_gem_object_alloc(struct drm_device *dev, size_t size)
+{
+	struct drm_gem_object *obj;
+
+	BUG_ON((size & (PAGE_SIZE - 1)) != 0);
+
+	obj = kcalloc(1, sizeof(*obj), GFP_KERNEL);
+
+	obj->dev = dev;
+	obj->filp = shmem_file_setup("drm mm object", size, 0);
+	if (IS_ERR(obj->filp)) {
+		kfree(obj);
+		return NULL;
+	}
+
+	kref_init(&obj->refcount);
+	kref_init(&obj->handlecount);
+	obj->size = size;
+	if (dev->driver->gem_init_object != NULL &&
+	    dev->driver->gem_init_object(obj) != 0) {
+		fput(obj->filp);
+		kfree(obj);
+		return NULL;
+	}
+	atomic_inc(&dev->object_count);
+	atomic_add(obj->size, &dev->object_memory);
+	return obj;
+}
+EXPORT_SYMBOL(drm_gem_object_alloc);
+
+/**
+ * Removes the mapping from handle to filp for this object.
+ */
+static int
+drm_gem_handle_delete(struct drm_file *filp, int handle)
+{
+	struct drm_device *dev;
+	struct drm_gem_object *obj;
+
+	/* This is gross. The idr system doesn't let us try a delete and
+	 * return an error code.  It just spews if you fail at deleting.
+	 * So, we have to grab a lock around finding the object and then
+	 * doing the delete on it and dropping the refcount, or the user
+	 * could race us to double-decrement the refcount and cause a
+	 * use-after-free later.  Given the frequency of our handle lookups,
+	 * we may want to use ida for number allocation and a hash table
+	 * for the pointers, anyway.
+	 */
+	spin_lock(&filp->table_lock);
+
+	/* Check if we currently have a reference on the object */
+	obj = idr_find(&filp->object_idr, handle);
+	if (obj == NULL) {
+		spin_unlock(&filp->table_lock);
+		return -EINVAL;
+	}
+	dev = obj->dev;
+
+	/* Release reference and decrement refcount. */
+	idr_remove(&filp->object_idr, handle);
+	spin_unlock(&filp->table_lock);
+
+	mutex_lock(&dev->struct_mutex);
+	drm_gem_object_handle_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+
+	return 0;
+}
+
+/**
+ * Create a handle for this object. This adds a handle reference
+ * to the object, which includes a regular reference count. Callers
+ * will likely want to dereference the object afterwards.
+ */
+int
+drm_gem_handle_create(struct drm_file *file_priv,
+		       struct drm_gem_object *obj,
+		       int *handlep)
+{
+	int	ret;
+
+	/*
+	 * Get the user-visible handle using idr.
+	 */
+again:
+	/* ensure there is space available to allocate a handle */
+	if (idr_pre_get(&file_priv->object_idr, GFP_KERNEL) == 0)
+		return -ENOMEM;
+
+	/* do the allocation under our spinlock */
+	spin_lock(&file_priv->table_lock);
+	ret = idr_get_new_above(&file_priv->object_idr, obj, 1, handlep);
+	spin_unlock(&file_priv->table_lock);
+	if (ret == -EAGAIN)
+		goto again;
+
+	if (ret != 0)
+		return ret;
+
+	drm_gem_object_handle_reference(obj);
+	return 0;
+}
+EXPORT_SYMBOL(drm_gem_handle_create);
+
+/** Returns a reference to the object named by the handle. */
+struct drm_gem_object *
+drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp,
+		      int handle)
+{
+	struct drm_gem_object *obj;
+
+	spin_lock(&filp->table_lock);
+
+	/* Check if we currently have a reference on the object */
+	obj = idr_find(&filp->object_idr, handle);
+	if (obj == NULL) {
+		spin_unlock(&filp->table_lock);
+		return NULL;
+	}
+
+	drm_gem_object_reference(obj);
+
+	spin_unlock(&filp->table_lock);
+
+	return obj;
+}
+EXPORT_SYMBOL(drm_gem_object_lookup);
+
+/**
+ * Releases the handle to an mm object.
+ */
+int
+drm_gem_close_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	struct drm_gem_close *args = data;
+	int ret;
+
+	if (!(dev->driver->driver_features & DRIVER_GEM))
+		return -ENODEV;
+
+	ret = drm_gem_handle_delete(file_priv, args->handle);
+
+	return ret;
+}
+
+/**
+ * Create a global name for an object, returning the name.
+ *
+ * Note that the name does not hold a reference; when the object
+ * is freed, the name goes away.
+ */
+int
+drm_gem_flink_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	struct drm_gem_flink *args = data;
+	struct drm_gem_object *obj;
+	int ret;
+
+	if (!(dev->driver->driver_features & DRIVER_GEM))
+		return -ENODEV;
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL)
+		return -EINVAL;
+
+again:
+	if (idr_pre_get(&dev->object_name_idr, GFP_KERNEL) == 0)
+		return -ENOMEM;
+
+	spin_lock(&dev->object_name_lock);
+	if (obj->name) {
+		spin_unlock(&dev->object_name_lock);
+		return -EEXIST;
+	}
+	ret = idr_get_new_above(&dev->object_name_idr, obj, 1,
+				 &obj->name);
+	spin_unlock(&dev->object_name_lock);
+	if (ret == -EAGAIN)
+		goto again;
+
+	if (ret != 0) {
+		mutex_lock(&dev->struct_mutex);
+		drm_gem_object_unreference(obj);
+		mutex_unlock(&dev->struct_mutex);
+		return ret;
+	}
+
+	/*
+	 * Leave the reference from the lookup around as the
+	 * name table now holds one
+	 */
+	args->name = (uint64_t) obj->name;
+
+	return 0;
+}
+
+/**
+ * Open an object using the global name, returning a handle and the size.
+ *
+ * This handle (of course) holds a reference to the object, so the object
+ * will not go away until the handle is deleted.
+ */
+int
+drm_gem_open_ioctl(struct drm_device *dev, void *data,
+		   struct drm_file *file_priv)
+{
+	struct drm_gem_open *args = data;
+	struct drm_gem_object *obj;
+	int ret;
+	int handle;
+
+	if (!(dev->driver->driver_features & DRIVER_GEM))
+		return -ENODEV;
+
+	spin_lock(&dev->object_name_lock);
+	obj = idr_find(&dev->object_name_idr, (int) args->name);
+	if (obj)
+		drm_gem_object_reference(obj);
+	spin_unlock(&dev->object_name_lock);
+	if (!obj)
+		return -ENOENT;
+
+	ret = drm_gem_handle_create(file_priv, obj, &handle);
+	mutex_lock(&dev->struct_mutex);
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+	if (ret)
+		return ret;
+
+	args->handle = handle;
+	args->size = obj->size;
+
+	return 0;
+}
+
+/**
+ * Called at device open time, sets up the structure for handling refcounting
+ * of mm objects.
+ */
+void
+drm_gem_open(struct drm_device *dev, struct drm_file *file_private)
+{
+	idr_init(&file_private->object_idr);
+	spin_lock_init(&file_private->table_lock);
+}
+
+/**
+ * Called at device close to release the file's
+ * handle references on objects.
+ */
+static int
+drm_gem_object_release_handle(int id, void *ptr, void *data)
+{
+	struct drm_gem_object *obj = ptr;
+
+	drm_gem_object_handle_unreference(obj);
+
+	return 0;
+}
+
+/**
+ * Called at close time when the filp is going away.
+ *
+ * Releases any remaining references on objects by this filp.
+ */
+void
+drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
+{
+	mutex_lock(&dev->struct_mutex);
+	idr_for_each(&file_private->object_idr,
+		     &drm_gem_object_release_handle, NULL);
+
+	idr_destroy(&file_private->object_idr);
+	mutex_unlock(&dev->struct_mutex);
+}
+
+/**
+ * Called after the last reference to the object has been lost.
+ *
+ * Frees the object
+ */
+void
+drm_gem_object_free(struct kref *kref)
+{
+	struct drm_gem_object *obj = (struct drm_gem_object *) kref;
+	struct drm_device *dev = obj->dev;
+
+	BUG_ON(!mutex_is_locked(&dev->struct_mutex));
+
+	if (dev->driver->gem_free_object != NULL)
+		dev->driver->gem_free_object(obj);
+
+	fput(obj->filp);
+	atomic_dec(&dev->object_count);
+	atomic_sub(obj->size, &dev->object_memory);
+	kfree(obj);
+}
+EXPORT_SYMBOL(drm_gem_object_free);
+
+/**
+ * Called after the last handle to the object has been closed
+ *
+ * Removes any name for the object. Note that this must be
+ * called before drm_gem_object_free or we'll be touching
+ * freed memory
+ */
+void
+drm_gem_object_handle_free(struct kref *kref)
+{
+	struct drm_gem_object *obj = container_of(kref,
+						  struct drm_gem_object,
+						  handlecount);
+	struct drm_device *dev = obj->dev;
+
+	/* Remove any name for this object */
+	spin_lock(&dev->object_name_lock);
+	if (obj->name) {
+		idr_remove(&dev->object_name_idr, obj->name);
+		spin_unlock(&dev->object_name_lock);
+		/*
+		 * The object name held a reference to this object, drop
+		 * that now.
+		 */
+		drm_gem_object_unreference(obj);
+	} else
+		spin_unlock(&dev->object_name_lock);
+
+}
+EXPORT_SYMBOL(drm_gem_object_handle_free);
+
diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c
index 0177012845c..803bc9e7ce3 100644
--- a/drivers/gpu/drm/drm_memory.c
+++ b/drivers/gpu/drm/drm_memory.c
@@ -133,6 +133,7 @@ int drm_free_agp(DRM_AGP_MEM * handle, int pages)
 {
 	return drm_agp_free_memory(handle) ? 0 : -EINVAL;
 }
+EXPORT_SYMBOL(drm_free_agp);
 
 /** Wrapper around agp_bind_memory() */
 int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
@@ -145,6 +146,7 @@ int drm_unbind_agp(DRM_AGP_MEM * handle)
 {
 	return drm_agp_unbind_memory(handle);
 }
+EXPORT_SYMBOL(drm_unbind_agp);
 
 #else  /*  __OS_HAS_AGP  */
 static inline void *agp_remap(unsigned long offset, unsigned long size,
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index dcff9e9b52e..217ad7dc707 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -169,6 +169,7 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent,
 
 	return child;
 }
+EXPORT_SYMBOL(drm_mm_get_block);
 
 /*
  * Put a block. Merge with the previous and / or next block if they are free.
@@ -217,6 +218,7 @@ void drm_mm_put_block(struct drm_mm_node * cur)
 		drm_free(cur, sizeof(*cur), DRM_MEM_MM);
 	}
 }
+EXPORT_SYMBOL(drm_mm_put_block);
 
 struct drm_mm_node *drm_mm_search_free(const struct drm_mm * mm,
 				  unsigned long size,
@@ -265,6 +267,7 @@ int drm_mm_clean(struct drm_mm * mm)
 
 	return (head->next->next == head);
 }
+EXPORT_SYMBOL(drm_mm_search_free);
 
 int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size)
 {
@@ -273,7 +276,7 @@ int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size)
 
 	return drm_mm_create_tail_node(mm, start, size);
 }
-
+EXPORT_SYMBOL(drm_mm_init);
 
 void drm_mm_takedown(struct drm_mm * mm)
 {
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index 93b1e0475c9..d490db4c0de 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -49,6 +49,10 @@ static int drm_queues_info(char *buf, char **start, off_t offset,
 			   int request, int *eof, void *data);
 static int drm_bufs_info(char *buf, char **start, off_t offset,
 			 int request, int *eof, void *data);
+static int drm_gem_name_info(char *buf, char **start, off_t offset,
+			     int request, int *eof, void *data);
+static int drm_gem_object_info(char *buf, char **start, off_t offset,
+			       int request, int *eof, void *data);
 #if DRM_DEBUG_CODE
 static int drm_vma_info(char *buf, char **start, off_t offset,
 			int request, int *eof, void *data);
@@ -60,13 +64,16 @@ static int drm_vma_info(char *buf, char **start, off_t offset,
 static struct drm_proc_list {
 	const char *name;	/**< file name */
 	int (*f) (char *, char **, off_t, int, int *, void *);		/**< proc callback*/
+	u32 driver_features; /**< Required driver features for this entry */
 } drm_proc_list[] = {
-	{"name", drm_name_info},
-	{"mem", drm_mem_info},
-	{"vm", drm_vm_info},
-	{"clients", drm_clients_info},
-	{"queues", drm_queues_info},
-	{"bufs", drm_bufs_info},
+	{"name", drm_name_info, 0},
+	{"mem", drm_mem_info, 0},
+	{"vm", drm_vm_info, 0},
+	{"clients", drm_clients_info, 0},
+	{"queues", drm_queues_info, 0},
+	{"bufs", drm_bufs_info, 0},
+	{"gem_names", drm_gem_name_info, DRIVER_GEM},
+	{"gem_objects", drm_gem_object_info, DRIVER_GEM},
 #if DRM_DEBUG_CODE
 	{"vma", drm_vma_info},
 #endif
@@ -90,8 +97,9 @@ static struct drm_proc_list {
 int drm_proc_init(struct drm_minor *minor, int minor_id,
 		  struct proc_dir_entry *root)
 {
+	struct drm_device *dev = minor->dev;
 	struct proc_dir_entry *ent;
-	int i, j;
+	int i, j, ret;
 	char name[64];
 
 	sprintf(name, "%d", minor_id);
@@ -102,23 +110,42 @@ int drm_proc_init(struct drm_minor *minor, int minor_id,
 	}
 
 	for (i = 0; i < DRM_PROC_ENTRIES; i++) {
+		u32 features = drm_proc_list[i].driver_features;
+
+		if (features != 0 &&
+		    (dev->driver->driver_features & features) != features)
+			continue;
+
 		ent = create_proc_entry(drm_proc_list[i].name,
 					S_IFREG | S_IRUGO, minor->dev_root);
 		if (!ent) {
 			DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
 				  name, drm_proc_list[i].name);
-			for (j = 0; j < i; j++)
-				remove_proc_entry(drm_proc_list[i].name,
-						  minor->dev_root);
-			remove_proc_entry(name, root);
-			minor->dev_root = NULL;
-			return -1;
+			ret = -1;
+			goto fail;
 		}
 		ent->read_proc = drm_proc_list[i].f;
 		ent->data = minor;
 	}
 
+	if (dev->driver->proc_init) {
+		ret = dev->driver->proc_init(minor);
+		if (ret) {
+			DRM_ERROR("DRM: Driver failed to initialize "
+				  "/proc/dri.\n");
+			goto fail;
+		}
+	}
+
 	return 0;
+ fail:
+
+	for (j = 0; j < i; j++)
+		remove_proc_entry(drm_proc_list[i].name,
+				  minor->dev_root);
+	remove_proc_entry(name, root);
+	minor->dev_root = NULL;
+	return ret;
 }
 
 /**
@@ -133,12 +160,16 @@ int drm_proc_init(struct drm_minor *minor, int minor_id,
  */
 int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root)
 {
+	struct drm_device *dev = minor->dev;
 	int i;
 	char name[64];
 
 	if (!root || !minor->dev_root)
 		return 0;
 
+	if (dev->driver->proc_cleanup)
+		dev->driver->proc_cleanup(minor);
+
 	for (i = 0; i < DRM_PROC_ENTRIES; i++)
 		remove_proc_entry(drm_proc_list[i].name, minor->dev_root);
 	sprintf(name, "%d", minor->index);
@@ -480,6 +511,84 @@ static int drm_clients_info(char *buf, char **start, off_t offset,
 	return ret;
 }
 
+struct drm_gem_name_info_data {
+       int                     len;
+       char                    *buf;
+       int                     eof;
+};
+
+static int drm_gem_one_name_info(int id, void *ptr, void *data)
+{
+	struct drm_gem_object *obj = ptr;
+	struct drm_gem_name_info_data   *nid = data;
+
+	DRM_INFO("name %d size %d\n", obj->name, obj->size);
+	if (nid->eof)
+		return 0;
+
+	nid->len += sprintf(&nid->buf[nid->len],
+			    "%6d%9d%8d%9d\n",
+			    obj->name, obj->size,
+			    atomic_read(&obj->handlecount.refcount),
+			    atomic_read(&obj->refcount.refcount));
+	if (nid->len > DRM_PROC_LIMIT) {
+		nid->eof = 1;
+		return 0;
+	}
+	return 0;
+}
+
+static int drm_gem_name_info(char *buf, char **start, off_t offset,
+			     int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	struct drm_gem_name_info_data nid;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	nid.len = sprintf(buf, "  name     size handles refcount\n");
+	nid.buf = buf;
+	nid.eof = 0;
+	idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid);
+
+	*start = &buf[offset];
+	*eof = 0;
+	if (nid.len > request + offset)
+		return request;
+	*eof = 1;
+	return nid.len - offset;
+}
+
+static int drm_gem_object_info(char *buf, char **start, off_t offset,
+			       int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	int len = 0;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+	DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count));
+	DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory));
+	DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count));
+	DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory));
+	DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory));
+	DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total);
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
 #if DRM_DEBUG_CODE
 
 static int drm__vma_info(char *buf, char **start, off_t offset, int request,
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index c2f584f3b46..82f4657b887 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -152,6 +152,15 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
 		goto error_out_unreg;
 	}
 
+	if (driver->driver_features & DRIVER_GEM) {
+		retcode = drm_gem_init(dev);
+		if (retcode) {
+			DRM_ERROR("Cannot initialize graphics execution "
+				  "manager (GEM)\n");
+			goto error_out_unreg;
+		}
+	}
+
 	return 0;
 
       error_out_unreg:
@@ -317,6 +326,7 @@ int drm_put_dev(struct drm_device * dev)
 int drm_put_minor(struct drm_minor **minor_p)
 {
 	struct drm_minor *minor = *minor_p;
+
 	DRM_DEBUG("release secondary minor %d\n", minor->index);
 
 	if (minor->type == DRM_MINOR_LEGACY)
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index c4bbda662e2..5ba78e4fd2b 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -4,7 +4,11 @@
 
 ccflags-y := -Iinclude/drm
 i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_opregion.o \
-          i915_suspend.o
+          i915_suspend.o \
+	  i915_gem.o \
+	  i915_gem_debug.o \
+	  i915_gem_proc.o \
+	  i915_gem_tiling.o
 
 i915-$(CONFIG_COMPAT)   += i915_ioc32.o
 
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 63c6803d471..f167ff68a4b 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -170,24 +170,31 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 	dev_priv->sarea_priv = (drm_i915_sarea_t *)
 	    ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset);
 
-	dev_priv->ring.Start = init->ring_start;
-	dev_priv->ring.End = init->ring_end;
-	dev_priv->ring.Size = init->ring_size;
-	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
+	if (init->ring_size != 0) {
+		if (dev_priv->ring.ring_obj != NULL) {
+			i915_dma_cleanup(dev);
+			DRM_ERROR("Client tried to initialize ringbuffer in "
+				  "GEM mode\n");
+			return -EINVAL;
+		}
 
-	dev_priv->ring.map.offset = init->ring_start;
-	dev_priv->ring.map.size = init->ring_size;
-	dev_priv->ring.map.type = 0;
-	dev_priv->ring.map.flags = 0;
-	dev_priv->ring.map.mtrr = 0;
+		dev_priv->ring.Size = init->ring_size;
+		dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
 
-	drm_core_ioremap(&dev_priv->ring.map, dev);
+		dev_priv->ring.map.offset = init->ring_start;
+		dev_priv->ring.map.size = init->ring_size;
+		dev_priv->ring.map.type = 0;
+		dev_priv->ring.map.flags = 0;
+		dev_priv->ring.map.mtrr = 0;
 
-	if (dev_priv->ring.map.handle == NULL) {
-		i915_dma_cleanup(dev);
-		DRM_ERROR("can not ioremap virtual address for"
-			  " ring buffer\n");
-		return -ENOMEM;
+		drm_core_ioremap(&dev_priv->ring.map, dev);
+
+		if (dev_priv->ring.map.handle == NULL) {
+			i915_dma_cleanup(dev);
+			DRM_ERROR("can not ioremap virtual address for"
+				  " ring buffer\n");
+			return -ENOMEM;
+		}
 	}
 
 	dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
@@ -377,9 +384,10 @@ static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwor
 	return 0;
 }
 
-static int i915_emit_box(struct drm_device * dev,
-			 struct drm_clip_rect __user * boxes,
-			 int i, int DR1, int DR4)
+int
+i915_emit_box(struct drm_device *dev,
+	      struct drm_clip_rect __user *boxes,
+	      int i, int DR1, int DR4)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_clip_rect box;
@@ -681,6 +689,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
 	case I915_PARAM_LAST_DISPATCH:
 		value = READ_BREADCRUMB(dev_priv);
 		break;
+	case I915_PARAM_HAS_GEM:
+		value = 1;
+		break;
 	default:
 		DRM_ERROR("Unknown parameter %d\n", param->param);
 		return -EINVAL;
@@ -784,6 +795,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	memset(dev_priv, 0, sizeof(drm_i915_private_t));
 
 	dev->dev_private = (void *)dev_priv;
+	dev_priv->dev = dev;
 
 	/* Add register map (needed for suspend/resume) */
 	base = drm_get_resource_start(dev, mmio_bar);
@@ -793,6 +805,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 			 _DRM_KERNEL | _DRM_DRIVER,
 			 &dev_priv->mmio_map);
 
+	i915_gem_load(dev);
+
 	/* Init HWS */
 	if (!I915_NEED_GFX_HWS(dev)) {
 		ret = i915_init_phys_hws(dev);
@@ -838,6 +852,25 @@ int i915_driver_unload(struct drm_device *dev)
 	return 0;
 }
 
+int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
+{
+	struct drm_i915_file_private *i915_file_priv;
+
+	DRM_DEBUG("\n");
+	i915_file_priv = (struct drm_i915_file_private *)
+	    drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES);
+
+	if (!i915_file_priv)
+		return -ENOMEM;
+
+	file_priv->driver_priv = i915_file_priv;
+
+	i915_file_priv->mm.last_gem_seqno = 0;
+	i915_file_priv->mm.last_gem_throttle_seqno = 0;
+
+	return 0;
+}
+
 void i915_driver_lastclose(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
@@ -845,6 +878,8 @@ void i915_driver_lastclose(struct drm_device * dev)
 	if (!dev_priv)
 		return;
 
+	i915_gem_lastclose(dev);
+
 	if (dev_priv->agp_heap)
 		i915_mem_takedown(&(dev_priv->agp_heap));
 
@@ -857,6 +892,13 @@ void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
 	i915_mem_release(dev, file_priv, dev_priv->agp_heap);
 }
 
+void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+	struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+
+	drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES);
+}
+
 struct drm_ioctl_desc i915_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH),
@@ -875,6 +917,22 @@ struct drm_ioctl_desc i915_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE,  i915_vblank_pipe_get, DRM_AUTH ),
 	DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
+	DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
+	DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_CREATE, i915_gem_create_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, 0),
+	DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0),
+	DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0),
 };
 
 int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 37af03f4db3..a80ead21528 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -85,12 +85,15 @@ static struct drm_driver driver = {
 	/* don't use mtrr's here, the Xserver or user space app should
 	 * deal with them for intel hardware.
 	 */
-	.driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP |
-		DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED,
+	.driver_features =
+	    DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
+	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
 	.load = i915_driver_load,
 	.unload = i915_driver_unload,
+	.open = i915_driver_open,
 	.lastclose = i915_driver_lastclose,
 	.preclose = i915_driver_preclose,
+	.postclose = i915_driver_postclose,
 	.suspend = i915_suspend,
 	.resume = i915_resume,
 	.device_is_agp = i915_driver_device_is_agp,
@@ -104,6 +107,10 @@ static struct drm_driver driver = {
 	.reclaim_buffers = drm_core_reclaim_buffers,
 	.get_map_ofs = drm_core_get_map_ofs,
 	.get_reg_ofs = drm_core_get_reg_ofs,
+	.proc_init = i915_gem_proc_init,
+	.proc_cleanup = i915_gem_proc_cleanup,
+	.gem_init_object = i915_gem_init_object,
+	.gem_free_object = i915_gem_free_object,
 	.ioctls = i915_ioctls,
 	.fops = {
 		 .owner = THIS_MODULE,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d1a02bead45..87b071ab864 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -39,7 +39,7 @@
 
 #define DRIVER_NAME		"i915"
 #define DRIVER_DESC		"Intel Graphics"
-#define DRIVER_DATE		"20060119"
+#define DRIVER_DATE		"20080730"
 
 enum pipe {
 	PIPE_A = 0,
@@ -60,16 +60,23 @@ enum pipe {
 #define DRIVER_MINOR		6
 #define DRIVER_PATCHLEVEL	0
 
+#define WATCH_COHERENCY	0
+#define WATCH_BUF	0
+#define WATCH_EXEC	0
+#define WATCH_LRU	0
+#define WATCH_RELOC	0
+#define WATCH_INACTIVE	0
+#define WATCH_PWRITE	0
+
 typedef struct _drm_i915_ring_buffer {
 	int tail_mask;
-	unsigned long Start;
-	unsigned long End;
 	unsigned long Size;
 	u8 *virtual_start;
 	int head;
 	int tail;
 	int space;
 	drm_local_map_t map;
+	struct drm_gem_object *ring_obj;
 } drm_i915_ring_buffer_t;
 
 struct mem_block {
@@ -101,6 +108,8 @@ struct intel_opregion {
 };
 
 typedef struct drm_i915_private {
+	struct drm_device *dev;
+
 	drm_local_map_t *sarea;
 	drm_local_map_t *mmio_map;
 
@@ -113,6 +122,7 @@ typedef struct drm_i915_private {
 	uint32_t counter;
 	unsigned int status_gfx_addr;
 	drm_local_map_t hws_map;
+	struct drm_gem_object *hws_obj;
 
 	unsigned int cpp;
 	int back_offset;
@@ -122,7 +132,6 @@ typedef struct drm_i915_private {
 
 	wait_queue_head_t irq_queue;
 	atomic_t irq_received;
-	atomic_t irq_emitted;
 	/** Protects user_irq_refcount and irq_mask_reg */
 	spinlock_t user_irq_lock;
 	/** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
@@ -230,8 +239,174 @@ typedef struct drm_i915_private {
 	u8 saveDACMASK;
 	u8 saveDACDATA[256*3]; /* 256 3-byte colors */
 	u8 saveCR[37];
+
+	struct {
+		struct drm_mm gtt_space;
+
+		/**
+		 * List of objects currently involved in rendering from the
+		 * ringbuffer.
+		 *
+		 * A reference is held on the buffer while on this list.
+		 */
+		struct list_head active_list;
+
+		/**
+		 * List of objects which are not in the ringbuffer but which
+		 * still have a write_domain which needs to be flushed before
+		 * unbinding.
+		 *
+		 * A reference is held on the buffer while on this list.
+		 */
+		struct list_head flushing_list;
+
+		/**
+		 * LRU list of objects which are not in the ringbuffer and
+		 * are ready to unbind, but are still in the GTT.
+		 *
+		 * A reference is not held on the buffer while on this list,
+		 * as merely being GTT-bound shouldn't prevent its being
+		 * freed, and we'll pull it off the list in the free path.
+		 */
+		struct list_head inactive_list;
+
+		/**
+		 * List of breadcrumbs associated with GPU requests currently
+		 * outstanding.
+		 */
+		struct list_head request_list;
+
+		/**
+		 * We leave the user IRQ off as much as possible,
+		 * but this means that requests will finish and never
+		 * be retired once the system goes idle. Set a timer to
+		 * fire periodically while the ring is running. When it
+		 * fires, go retire requests.
+		 */
+		struct delayed_work retire_work;
+
+		uint32_t next_gem_seqno;
+
+		/**
+		 * Waiting sequence number, if any
+		 */
+		uint32_t waiting_gem_seqno;
+
+		/**
+		 * Last seq seen at irq time
+		 */
+		uint32_t irq_gem_seqno;
+
+		/**
+		 * Flag if the X Server, and thus DRM, is not currently in
+		 * control of the device.
+		 *
+		 * This is set between LeaveVT and EnterVT.  It needs to be
+		 * replaced with a semaphore.  It also needs to be
+		 * transitioned away from for kernel modesetting.
+		 */
+		int suspended;
+
+		/**
+		 * Flag if the hardware appears to be wedged.
+		 *
+		 * This is set when attempts to idle the device timeout.
+		 * It prevents command submission from occuring and makes
+		 * every pending request fail
+		 */
+		int wedged;
+
+		/** Bit 6 swizzling required for X tiling */
+		uint32_t bit_6_swizzle_x;
+		/** Bit 6 swizzling required for Y tiling */
+		uint32_t bit_6_swizzle_y;
+	} mm;
 } drm_i915_private_t;
 
+/** driver private structure attached to each drm_gem_object */
+struct drm_i915_gem_object {
+	struct drm_gem_object *obj;
+
+	/** Current space allocated to this object in the GTT, if any. */
+	struct drm_mm_node *gtt_space;
+
+	/** This object's place on the active/flushing/inactive lists */
+	struct list_head list;
+
+	/**
+	 * This is set if the object is on the active or flushing lists
+	 * (has pending rendering), and is not set if it's on inactive (ready
+	 * to be unbound).
+	 */
+	int active;
+
+	/**
+	 * This is set if the object has been written to since last bound
+	 * to the GTT
+	 */
+	int dirty;
+
+	/** AGP memory structure for our GTT binding. */
+	DRM_AGP_MEM *agp_mem;
+
+	struct page **page_list;
+
+	/**
+	 * Current offset of the object in GTT space.
+	 *
+	 * This is the same as gtt_space->start
+	 */
+	uint32_t gtt_offset;
+
+	/** Boolean whether this object has a valid gtt offset. */
+	int gtt_bound;
+
+	/** How many users have pinned this object in GTT space */
+	int pin_count;
+
+	/** Breadcrumb of last rendering to the buffer. */
+	uint32_t last_rendering_seqno;
+
+	/** Current tiling mode for the object. */
+	uint32_t tiling_mode;
+
+	/**
+	 * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
+	 * GEM_DOMAIN_CPU is not in the object's read domain.
+	 */
+	uint8_t *page_cpu_valid;
+};
+
+/**
+ * Request queue structure.
+ *
+ * The request queue allows us to note sequence numbers that have been emitted
+ * and may be associated with active buffers to be retired.
+ *
+ * By keeping this list, we can avoid having to do questionable
+ * sequence-number comparisons on buffer last_rendering_seqnos, and associate
+ * an emission time with seqnos for tracking how far ahead of the GPU we are.
+ */
+struct drm_i915_gem_request {
+	/** GEM sequence number associated with this request. */
+	uint32_t seqno;
+
+	/** Time at which this request was emitted, in jiffies. */
+	unsigned long emitted_jiffies;
+
+	/** Cache domains that were flushed at the start of the request. */
+	uint32_t flush_domains;
+
+	struct list_head list;
+};
+
+struct drm_i915_file_private {
+	struct {
+		uint32_t last_gem_seqno;
+		uint32_t last_gem_throttle_seqno;
+	} mm;
+};
+
 extern struct drm_ioctl_desc i915_ioctls[];
 extern int i915_max_ioctl;
 
@@ -239,18 +414,26 @@ extern int i915_max_ioctl;
 extern void i915_kernel_lost_context(struct drm_device * dev);
 extern int i915_driver_load(struct drm_device *, unsigned long flags);
 extern int i915_driver_unload(struct drm_device *);
+extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
 extern void i915_driver_lastclose(struct drm_device * dev);
 extern void i915_driver_preclose(struct drm_device *dev,
 				 struct drm_file *file_priv);
+extern void i915_driver_postclose(struct drm_device *dev,
+				  struct drm_file *file_priv);
 extern int i915_driver_device_is_agp(struct drm_device * dev);
 extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
 			      unsigned long arg);
+extern int i915_emit_box(struct drm_device *dev,
+			 struct drm_clip_rect __user *boxes,
+			 int i, int DR1, int DR4);
 
 /* i915_irq.c */
 extern int i915_irq_emit(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 extern int i915_irq_wait(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
+void i915_user_irq_get(struct drm_device *dev);
+void i915_user_irq_put(struct drm_device *dev);
 
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(struct drm_device * dev);
@@ -279,6 +462,67 @@ extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
 extern void i915_mem_takedown(struct mem_block **heap);
 extern void i915_mem_release(struct drm_device * dev,
 			     struct drm_file *file_priv, struct mem_block *heap);
+/* i915_gem.c */
+int i915_gem_init_ioctl(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int i915_gem_create_ioctl(struct drm_device *dev, void *data,
+			  struct drm_file *file_priv);
+int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
+			 struct drm_file *file_priv);
+int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
+			  struct drm_file *file_priv);
+int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
+			      struct drm_file *file_priv);
+int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
+			     struct drm_file *file_priv);
+int i915_gem_execbuffer(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
+		       struct drm_file *file_priv);
+int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
+			 struct drm_file *file_priv);
+int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
+			    struct drm_file *file_priv);
+int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
+			   struct drm_file *file_priv);
+int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
+			   struct drm_file *file_priv);
+int i915_gem_set_tiling(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int i915_gem_get_tiling(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+void i915_gem_load(struct drm_device *dev);
+int i915_gem_proc_init(struct drm_minor *minor);
+void i915_gem_proc_cleanup(struct drm_minor *minor);
+int i915_gem_init_object(struct drm_gem_object *obj);
+void i915_gem_free_object(struct drm_gem_object *obj);
+int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
+void i915_gem_object_unpin(struct drm_gem_object *obj);
+void i915_gem_lastclose(struct drm_device *dev);
+uint32_t i915_get_gem_seqno(struct drm_device *dev);
+void i915_gem_retire_requests(struct drm_device *dev);
+void i915_gem_retire_work_handler(struct work_struct *work);
+void i915_gem_clflush_object(struct drm_gem_object *obj);
+
+/* i915_gem_tiling.c */
+void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
+
+/* i915_gem_debug.c */
+void i915_gem_dump_object(struct drm_gem_object *obj, int len,
+			  const char *where, uint32_t mark);
+#if WATCH_INACTIVE
+void i915_verify_inactive(struct drm_device *dev, char *file, int line);
+#else
+#define i915_verify_inactive(dev, file, line)
+#endif
+void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
+void i915_gem_dump_object(struct drm_gem_object *obj, int len,
+			  const char *where, uint32_t mark);
+void i915_dump_lru(struct drm_device *dev, const char *where);
 
 /* i915_suspend.c */
 extern int i915_save_state(struct drm_device *dev);
@@ -347,6 +591,7 @@ extern void opregion_enable_asle(struct drm_device *dev);
  */
 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
+#define I915_GEM_HWS_INDEX		0x10
 
 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
new file mode 100644
index 00000000000..90ae8a0369f
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -0,0 +1,2497 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+#include <linux/swap.h>
+
+static int
+i915_gem_object_set_domain(struct drm_gem_object *obj,
+			    uint32_t read_domains,
+			    uint32_t write_domain);
+static int
+i915_gem_object_set_domain_range(struct drm_gem_object *obj,
+				 uint64_t offset,
+				 uint64_t size,
+				 uint32_t read_domains,
+				 uint32_t write_domain);
+static int
+i915_gem_set_domain(struct drm_gem_object *obj,
+		    struct drm_file *file_priv,
+		    uint32_t read_domains,
+		    uint32_t write_domain);
+static int i915_gem_object_get_page_list(struct drm_gem_object *obj);
+static void i915_gem_object_free_page_list(struct drm_gem_object *obj);
+static int i915_gem_object_wait_rendering(struct drm_gem_object *obj);
+
+int
+i915_gem_init_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_init *args = data;
+
+	mutex_lock(&dev->struct_mutex);
+
+	if (args->gtt_start >= args->gtt_end ||
+	    (args->gtt_start & (PAGE_SIZE - 1)) != 0 ||
+	    (args->gtt_end & (PAGE_SIZE - 1)) != 0) {
+		mutex_unlock(&dev->struct_mutex);
+		return -EINVAL;
+	}
+
+	drm_mm_init(&dev_priv->mm.gtt_space, args->gtt_start,
+	    args->gtt_end - args->gtt_start);
+
+	dev->gtt_total = (uint32_t) (args->gtt_end - args->gtt_start);
+
+	mutex_unlock(&dev->struct_mutex);
+
+	return 0;
+}
+
+
+/**
+ * Creates a new mm object and returns a handle to it.
+ */
+int
+i915_gem_create_ioctl(struct drm_device *dev, void *data,
+		      struct drm_file *file_priv)
+{
+	struct drm_i915_gem_create *args = data;
+	struct drm_gem_object *obj;
+	int handle, ret;
+
+	args->size = roundup(args->size, PAGE_SIZE);
+
+	/* Allocate the new object */
+	obj = drm_gem_object_alloc(dev, args->size);
+	if (obj == NULL)
+		return -ENOMEM;
+
+	ret = drm_gem_handle_create(file_priv, obj, &handle);
+	mutex_lock(&dev->struct_mutex);
+	drm_gem_object_handle_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+
+	if (ret)
+		return ret;
+
+	args->handle = handle;
+
+	return 0;
+}
+
+/**
+ * Reads data from the object referenced by handle.
+ *
+ * On error, the contents of *data are undefined.
+ */
+int
+i915_gem_pread_ioctl(struct drm_device *dev, void *data,
+		     struct drm_file *file_priv)
+{
+	struct drm_i915_gem_pread *args = data;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	ssize_t read;
+	loff_t offset;
+	int ret;
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL)
+		return -EBADF;
+	obj_priv = obj->driver_private;
+
+	/* Bounds check source.
+	 *
+	 * XXX: This could use review for overflow issues...
+	 */
+	if (args->offset > obj->size || args->size > obj->size ||
+	    args->offset + args->size > obj->size) {
+		drm_gem_object_unreference(obj);
+		return -EINVAL;
+	}
+
+	mutex_lock(&dev->struct_mutex);
+
+	ret = i915_gem_object_set_domain_range(obj, args->offset, args->size,
+					       I915_GEM_DOMAIN_CPU, 0);
+	if (ret != 0) {
+		drm_gem_object_unreference(obj);
+		mutex_unlock(&dev->struct_mutex);
+	}
+
+	offset = args->offset;
+
+	read = vfs_read(obj->filp, (char __user *)(uintptr_t)args->data_ptr,
+			args->size, &offset);
+	if (read != args->size) {
+		drm_gem_object_unreference(obj);
+		mutex_unlock(&dev->struct_mutex);
+		if (read < 0)
+			return read;
+		else
+			return -EINVAL;
+	}
+
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+
+	return 0;
+}
+
+static int
+i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
+		    struct drm_i915_gem_pwrite *args,
+		    struct drm_file *file_priv)
+{
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	ssize_t remain;
+	loff_t offset;
+	char __user *user_data;
+	char *vaddr;
+	int i, o, l;
+	int ret = 0;
+	unsigned long pfn;
+	unsigned long unwritten;
+
+	user_data = (char __user *) (uintptr_t) args->data_ptr;
+	remain = args->size;
+	if (!access_ok(VERIFY_READ, user_data, remain))
+		return -EFAULT;
+
+
+	mutex_lock(&dev->struct_mutex);
+	ret = i915_gem_object_pin(obj, 0);
+	if (ret) {
+		mutex_unlock(&dev->struct_mutex);
+		return ret;
+	}
+	ret = i915_gem_set_domain(obj, file_priv,
+				  I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
+	if (ret)
+		goto fail;
+
+	obj_priv = obj->driver_private;
+	offset = obj_priv->gtt_offset + args->offset;
+	obj_priv->dirty = 1;
+
+	while (remain > 0) {
+		/* Operation in this page
+		 *
+		 * i = page number
+		 * o = offset within page
+		 * l = bytes to copy
+		 */
+		i = offset >> PAGE_SHIFT;
+		o = offset & (PAGE_SIZE-1);
+		l = remain;
+		if ((o + l) > PAGE_SIZE)
+			l = PAGE_SIZE - o;
+
+		pfn = (dev->agp->base >> PAGE_SHIFT) + i;
+
+#ifdef CONFIG_HIGHMEM
+		/* kmap_atomic can't map IO pages on non-HIGHMEM kernels
+		 */
+		vaddr = kmap_atomic_pfn(pfn, KM_USER0);
+#if WATCH_PWRITE
+		DRM_INFO("pwrite i %d o %d l %d pfn %ld vaddr %p\n",
+			 i, o, l, pfn, vaddr);
+#endif
+		unwritten = __copy_from_user_inatomic_nocache(vaddr + o,
+							      user_data, l);
+		kunmap_atomic(vaddr, KM_USER0);
+
+		if (unwritten)
+#endif /* CONFIG_HIGHMEM */
+		{
+			vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
+#if WATCH_PWRITE
+			DRM_INFO("pwrite slow i %d o %d l %d "
+				 "pfn %ld vaddr %p\n",
+				 i, o, l, pfn, vaddr);
+#endif
+			if (vaddr == NULL) {
+				ret = -EFAULT;
+				goto fail;
+			}
+			unwritten = __copy_from_user(vaddr + o, user_data, l);
+#if WATCH_PWRITE
+			DRM_INFO("unwritten %ld\n", unwritten);
+#endif
+			iounmap(vaddr);
+			if (unwritten) {
+				ret = -EFAULT;
+				goto fail;
+			}
+		}
+
+		remain -= l;
+		user_data += l;
+		offset += l;
+	}
+#if WATCH_PWRITE && 1
+	i915_gem_clflush_object(obj);
+	i915_gem_dump_object(obj, args->offset + args->size, __func__, ~0);
+	i915_gem_clflush_object(obj);
+#endif
+
+fail:
+	i915_gem_object_unpin(obj);
+	mutex_unlock(&dev->struct_mutex);
+
+	return ret;
+}
+
+int
+i915_gem_shmem_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
+		      struct drm_i915_gem_pwrite *args,
+		      struct drm_file *file_priv)
+{
+	int ret;
+	loff_t offset;
+	ssize_t written;
+
+	mutex_lock(&dev->struct_mutex);
+
+	ret = i915_gem_set_domain(obj, file_priv,
+				  I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
+	if (ret) {
+		mutex_unlock(&dev->struct_mutex);
+		return ret;
+	}
+
+	offset = args->offset;
+
+	written = vfs_write(obj->filp,
+			    (char __user *)(uintptr_t) args->data_ptr,
+			    args->size, &offset);
+	if (written != args->size) {
+		mutex_unlock(&dev->struct_mutex);
+		if (written < 0)
+			return written;
+		else
+			return -EINVAL;
+	}
+
+	mutex_unlock(&dev->struct_mutex);
+
+	return 0;
+}
+
+/**
+ * Writes data to the object referenced by handle.
+ *
+ * On error, the contents of the buffer that were to be modified are undefined.
+ */
+int
+i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
+		      struct drm_file *file_priv)
+{
+	struct drm_i915_gem_pwrite *args = data;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	int ret = 0;
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL)
+		return -EBADF;
+	obj_priv = obj->driver_private;
+
+	/* Bounds check destination.
+	 *
+	 * XXX: This could use review for overflow issues...
+	 */
+	if (args->offset > obj->size || args->size > obj->size ||
+	    args->offset + args->size > obj->size) {
+		drm_gem_object_unreference(obj);
+		return -EINVAL;
+	}
+
+	/* We can only do the GTT pwrite on untiled buffers, as otherwise
+	 * it would end up going through the fenced access, and we'll get
+	 * different detiling behavior between reading and writing.
+	 * pread/pwrite currently are reading and writing from the CPU
+	 * perspective, requiring manual detiling by the client.
+	 */
+	if (obj_priv->tiling_mode == I915_TILING_NONE &&
+	    dev->gtt_total != 0)
+		ret = i915_gem_gtt_pwrite(dev, obj, args, file_priv);
+	else
+		ret = i915_gem_shmem_pwrite(dev, obj, args, file_priv);
+
+#if WATCH_PWRITE
+	if (ret)
+		DRM_INFO("pwrite failed %d\n", ret);
+#endif
+
+	drm_gem_object_unreference(obj);
+
+	return ret;
+}
+
+/**
+ * Called when user space prepares to use an object
+ */
+int
+i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
+			  struct drm_file *file_priv)
+{
+	struct drm_i915_gem_set_domain *args = data;
+	struct drm_gem_object *obj;
+	int ret;
+
+	if (!(dev->driver->driver_features & DRIVER_GEM))
+		return -ENODEV;
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL)
+		return -EBADF;
+
+	mutex_lock(&dev->struct_mutex);
+#if WATCH_BUF
+	DRM_INFO("set_domain_ioctl %p(%d), %08x %08x\n",
+		 obj, obj->size, args->read_domains, args->write_domain);
+#endif
+	ret = i915_gem_set_domain(obj, file_priv,
+				  args->read_domains, args->write_domain);
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+	return ret;
+}
+
+/**
+ * Called when user space has done writes to this buffer
+ */
+int
+i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
+		      struct drm_file *file_priv)
+{
+	struct drm_i915_gem_sw_finish *args = data;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	int ret = 0;
+
+	if (!(dev->driver->driver_features & DRIVER_GEM))
+		return -ENODEV;
+
+	mutex_lock(&dev->struct_mutex);
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL) {
+		mutex_unlock(&dev->struct_mutex);
+		return -EBADF;
+	}
+
+#if WATCH_BUF
+	DRM_INFO("%s: sw_finish %d (%p %d)\n",
+		 __func__, args->handle, obj, obj->size);
+#endif
+	obj_priv = obj->driver_private;
+
+	/* Pinned buffers may be scanout, so flush the cache */
+	if ((obj->write_domain & I915_GEM_DOMAIN_CPU) && obj_priv->pin_count) {
+		i915_gem_clflush_object(obj);
+		drm_agp_chipset_flush(dev);
+	}
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+	return ret;
+}
+
+/**
+ * Maps the contents of an object, returning the address it is mapped
+ * into.
+ *
+ * While the mapping holds a reference on the contents of the object, it doesn't
+ * imply a ref on the object itself.
+ */
+int
+i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
+		   struct drm_file *file_priv)
+{
+	struct drm_i915_gem_mmap *args = data;
+	struct drm_gem_object *obj;
+	loff_t offset;
+	unsigned long addr;
+
+	if (!(dev->driver->driver_features & DRIVER_GEM))
+		return -ENODEV;
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL)
+		return -EBADF;
+
+	offset = args->offset;
+
+	down_write(&current->mm->mmap_sem);
+	addr = do_mmap(obj->filp, 0, args->size,
+		       PROT_READ | PROT_WRITE, MAP_SHARED,
+		       args->offset);
+	up_write(&current->mm->mmap_sem);
+	mutex_lock(&dev->struct_mutex);
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+	if (IS_ERR((void *)addr))
+		return addr;
+
+	args->addr_ptr = (uint64_t) addr;
+
+	return 0;
+}
+
+static void
+i915_gem_object_free_page_list(struct drm_gem_object *obj)
+{
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int page_count = obj->size / PAGE_SIZE;
+	int i;
+
+	if (obj_priv->page_list == NULL)
+		return;
+
+
+	for (i = 0; i < page_count; i++)
+		if (obj_priv->page_list[i] != NULL) {
+			if (obj_priv->dirty)
+				set_page_dirty(obj_priv->page_list[i]);
+			mark_page_accessed(obj_priv->page_list[i]);
+			page_cache_release(obj_priv->page_list[i]);
+		}
+	obj_priv->dirty = 0;
+
+	drm_free(obj_priv->page_list,
+		 page_count * sizeof(struct page *),
+		 DRM_MEM_DRIVER);
+	obj_priv->page_list = NULL;
+}
+
+static void
+i915_gem_object_move_to_active(struct drm_gem_object *obj)
+{
+	struct drm_device *dev = obj->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+	/* Add a reference if we're newly entering the active list. */
+	if (!obj_priv->active) {
+		drm_gem_object_reference(obj);
+		obj_priv->active = 1;
+	}
+	/* Move from whatever list we were on to the tail of execution. */
+	list_move_tail(&obj_priv->list,
+		       &dev_priv->mm.active_list);
+}
+
+
+static void
+i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
+{
+	struct drm_device *dev = obj->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+	if (obj_priv->pin_count != 0)
+		list_del_init(&obj_priv->list);
+	else
+		list_move_tail(&obj_priv->list, &dev_priv->mm.inactive_list);
+
+	if (obj_priv->active) {
+		obj_priv->active = 0;
+		drm_gem_object_unreference(obj);
+	}
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+}
+
+/**
+ * Creates a new sequence number, emitting a write of it to the status page
+ * plus an interrupt, which will trigger i915_user_interrupt_handler.
+ *
+ * Must be called with struct_lock held.
+ *
+ * Returned sequence numbers are nonzero on success.
+ */
+static uint32_t
+i915_add_request(struct drm_device *dev, uint32_t flush_domains)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_request *request;
+	uint32_t seqno;
+	int was_empty;
+	RING_LOCALS;
+
+	request = drm_calloc(1, sizeof(*request), DRM_MEM_DRIVER);
+	if (request == NULL)
+		return 0;
+
+	/* Grab the seqno we're going to make this request be, and bump the
+	 * next (skipping 0 so it can be the reserved no-seqno value).
+	 */
+	seqno = dev_priv->mm.next_gem_seqno;
+	dev_priv->mm.next_gem_seqno++;
+	if (dev_priv->mm.next_gem_seqno == 0)
+		dev_priv->mm.next_gem_seqno++;
+
+	BEGIN_LP_RING(4);
+	OUT_RING(MI_STORE_DWORD_INDEX);
+	OUT_RING(I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+	OUT_RING(seqno);
+
+	OUT_RING(MI_USER_INTERRUPT);
+	ADVANCE_LP_RING();
+
+	DRM_DEBUG("%d\n", seqno);
+
+	request->seqno = seqno;
+	request->emitted_jiffies = jiffies;
+	request->flush_domains = flush_domains;
+	was_empty = list_empty(&dev_priv->mm.request_list);
+	list_add_tail(&request->list, &dev_priv->mm.request_list);
+
+	if (was_empty)
+		schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
+	return seqno;
+}
+
+/**
+ * Command execution barrier
+ *
+ * Ensures that all commands in the ring are finished
+ * before signalling the CPU
+ */
+uint32_t
+i915_retire_commands(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	uint32_t cmd = MI_FLUSH | MI_NO_WRITE_FLUSH;
+	uint32_t flush_domains = 0;
+	RING_LOCALS;
+
+	/* The sampler always gets flushed on i965 (sigh) */
+	if (IS_I965G(dev))
+		flush_domains |= I915_GEM_DOMAIN_SAMPLER;
+	BEGIN_LP_RING(2);
+	OUT_RING(cmd);
+	OUT_RING(0); /* noop */
+	ADVANCE_LP_RING();
+	return flush_domains;
+}
+
+/**
+ * Moves buffers associated only with the given active seqno from the active
+ * to inactive list, potentially freeing them.
+ */
+static void
+i915_gem_retire_request(struct drm_device *dev,
+			struct drm_i915_gem_request *request)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	/* Move any buffers on the active list that are no longer referenced
+	 * by the ringbuffer to the flushing/inactive lists as appropriate.
+	 */
+	while (!list_empty(&dev_priv->mm.active_list)) {
+		struct drm_gem_object *obj;
+		struct drm_i915_gem_object *obj_priv;
+
+		obj_priv = list_first_entry(&dev_priv->mm.active_list,
+					    struct drm_i915_gem_object,
+					    list);
+		obj = obj_priv->obj;
+
+		/* If the seqno being retired doesn't match the oldest in the
+		 * list, then the oldest in the list must still be newer than
+		 * this seqno.
+		 */
+		if (obj_priv->last_rendering_seqno != request->seqno)
+			return;
+#if WATCH_LRU
+		DRM_INFO("%s: retire %d moves to inactive list %p\n",
+			 __func__, request->seqno, obj);
+#endif
+
+		if (obj->write_domain != 0) {
+			list_move_tail(&obj_priv->list,
+				       &dev_priv->mm.flushing_list);
+		} else {
+			i915_gem_object_move_to_inactive(obj);
+		}
+	}
+
+	if (request->flush_domains != 0) {
+		struct drm_i915_gem_object *obj_priv, *next;
+
+		/* Clear the write domain and activity from any buffers
+		 * that are just waiting for a flush matching the one retired.
+		 */
+		list_for_each_entry_safe(obj_priv, next,
+					 &dev_priv->mm.flushing_list, list) {
+			struct drm_gem_object *obj = obj_priv->obj;
+
+			if (obj->write_domain & request->flush_domains) {
+				obj->write_domain = 0;
+				i915_gem_object_move_to_inactive(obj);
+			}
+		}
+
+	}
+}
+
+/**
+ * Returns true if seq1 is later than seq2.
+ */
+static int
+i915_seqno_passed(uint32_t seq1, uint32_t seq2)
+{
+	return (int32_t)(seq1 - seq2) >= 0;
+}
+
+uint32_t
+i915_get_gem_seqno(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	return READ_HWSP(dev_priv, I915_GEM_HWS_INDEX);
+}
+
+/**
+ * This function clears the request list as sequence numbers are passed.
+ */
+void
+i915_gem_retire_requests(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	uint32_t seqno;
+
+	seqno = i915_get_gem_seqno(dev);
+
+	while (!list_empty(&dev_priv->mm.request_list)) {
+		struct drm_i915_gem_request *request;
+		uint32_t retiring_seqno;
+
+		request = list_first_entry(&dev_priv->mm.request_list,
+					   struct drm_i915_gem_request,
+					   list);
+		retiring_seqno = request->seqno;
+
+		if (i915_seqno_passed(seqno, retiring_seqno) ||
+		    dev_priv->mm.wedged) {
+			i915_gem_retire_request(dev, request);
+
+			list_del(&request->list);
+			drm_free(request, sizeof(*request), DRM_MEM_DRIVER);
+		} else
+			break;
+	}
+}
+
+void
+i915_gem_retire_work_handler(struct work_struct *work)
+{
+	drm_i915_private_t *dev_priv;
+	struct drm_device *dev;
+
+	dev_priv = container_of(work, drm_i915_private_t,
+				mm.retire_work.work);
+	dev = dev_priv->dev;
+
+	mutex_lock(&dev->struct_mutex);
+	i915_gem_retire_requests(dev);
+	if (!list_empty(&dev_priv->mm.request_list))
+		schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
+	mutex_unlock(&dev->struct_mutex);
+}
+
+/**
+ * Waits for a sequence number to be signaled, and cleans up the
+ * request and object lists appropriately for that event.
+ */
+int
+i915_wait_request(struct drm_device *dev, uint32_t seqno)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int ret = 0;
+
+	BUG_ON(seqno == 0);
+
+	if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
+		dev_priv->mm.waiting_gem_seqno = seqno;
+		i915_user_irq_get(dev);
+		ret = wait_event_interruptible(dev_priv->irq_queue,
+					       i915_seqno_passed(i915_get_gem_seqno(dev),
+								 seqno) ||
+					       dev_priv->mm.wedged);
+		i915_user_irq_put(dev);
+		dev_priv->mm.waiting_gem_seqno = 0;
+	}
+	if (dev_priv->mm.wedged)
+		ret = -EIO;
+
+	if (ret && ret != -ERESTARTSYS)
+		DRM_ERROR("%s returns %d (awaiting %d at %d)\n",
+			  __func__, ret, seqno, i915_get_gem_seqno(dev));
+
+	/* Directly dispatch request retiring.  While we have the work queue
+	 * to handle this, the waiter on a request often wants an associated
+	 * buffer to have made it to the inactive list, and we would need
+	 * a separate wait queue to handle that.
+	 */
+	if (ret == 0)
+		i915_gem_retire_requests(dev);
+
+	return ret;
+}
+
+static void
+i915_gem_flush(struct drm_device *dev,
+	       uint32_t invalidate_domains,
+	       uint32_t flush_domains)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	uint32_t cmd;
+	RING_LOCALS;
+
+#if WATCH_EXEC
+	DRM_INFO("%s: invalidate %08x flush %08x\n", __func__,
+		  invalidate_domains, flush_domains);
+#endif
+
+	if (flush_domains & I915_GEM_DOMAIN_CPU)
+		drm_agp_chipset_flush(dev);
+
+	if ((invalidate_domains | flush_domains) & ~(I915_GEM_DOMAIN_CPU |
+						     I915_GEM_DOMAIN_GTT)) {
+		/*
+		 * read/write caches:
+		 *
+		 * I915_GEM_DOMAIN_RENDER is always invalidated, but is
+		 * only flushed if MI_NO_WRITE_FLUSH is unset.  On 965, it is
+		 * also flushed at 2d versus 3d pipeline switches.
+		 *
+		 * read-only caches:
+		 *
+		 * I915_GEM_DOMAIN_SAMPLER is flushed on pre-965 if
+		 * MI_READ_FLUSH is set, and is always flushed on 965.
+		 *
+		 * I915_GEM_DOMAIN_COMMAND may not exist?
+		 *
+		 * I915_GEM_DOMAIN_INSTRUCTION, which exists on 965, is
+		 * invalidated when MI_EXE_FLUSH is set.
+		 *
+		 * I915_GEM_DOMAIN_VERTEX, which exists on 965, is
+		 * invalidated with every MI_FLUSH.
+		 *
+		 * TLBs:
+		 *
+		 * On 965, TLBs associated with I915_GEM_DOMAIN_COMMAND
+		 * and I915_GEM_DOMAIN_CPU in are invalidated at PTE write and
+		 * I915_GEM_DOMAIN_RENDER and I915_GEM_DOMAIN_SAMPLER
+		 * are flushed at any MI_FLUSH.
+		 */
+
+		cmd = MI_FLUSH | MI_NO_WRITE_FLUSH;
+		if ((invalidate_domains|flush_domains) &
+		    I915_GEM_DOMAIN_RENDER)
+			cmd &= ~MI_NO_WRITE_FLUSH;
+		if (!IS_I965G(dev)) {
+			/*
+			 * On the 965, the sampler cache always gets flushed
+			 * and this bit is reserved.
+			 */
+			if (invalidate_domains & I915_GEM_DOMAIN_SAMPLER)
+				cmd |= MI_READ_FLUSH;
+		}
+		if (invalidate_domains & I915_GEM_DOMAIN_INSTRUCTION)
+			cmd |= MI_EXE_FLUSH;
+
+#if WATCH_EXEC
+		DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd);
+#endif
+		BEGIN_LP_RING(2);
+		OUT_RING(cmd);
+		OUT_RING(0); /* noop */
+		ADVANCE_LP_RING();
+	}
+}
+
+/**
+ * Ensures that all rendering to the object has completed and the object is
+ * safe to unbind from the GTT or access from the CPU.
+ */
+static int
+i915_gem_object_wait_rendering(struct drm_gem_object *obj)
+{
+	struct drm_device *dev = obj->dev;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int ret;
+
+	/* If there are writes queued to the buffer, flush and
+	 * create a new seqno to wait for.
+	 */
+	if (obj->write_domain & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT)) {
+		uint32_t write_domain = obj->write_domain;
+#if WATCH_BUF
+		DRM_INFO("%s: flushing object %p from write domain %08x\n",
+			  __func__, obj, write_domain);
+#endif
+		i915_gem_flush(dev, 0, write_domain);
+
+		i915_gem_object_move_to_active(obj);
+		obj_priv->last_rendering_seqno = i915_add_request(dev,
+								  write_domain);
+		BUG_ON(obj_priv->last_rendering_seqno == 0);
+#if WATCH_LRU
+		DRM_INFO("%s: flush moves to exec list %p\n", __func__, obj);
+#endif
+	}
+
+	/* If there is rendering queued on the buffer being evicted, wait for
+	 * it.
+	 */
+	if (obj_priv->active) {
+#if WATCH_BUF
+		DRM_INFO("%s: object %p wait for seqno %08x\n",
+			  __func__, obj, obj_priv->last_rendering_seqno);
+#endif
+		ret = i915_wait_request(dev, obj_priv->last_rendering_seqno);
+		if (ret != 0)
+			return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * Unbinds an object from the GTT aperture.
+ */
+static int
+i915_gem_object_unbind(struct drm_gem_object *obj)
+{
+	struct drm_device *dev = obj->dev;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int ret = 0;
+
+#if WATCH_BUF
+	DRM_INFO("%s:%d %p\n", __func__, __LINE__, obj);
+	DRM_INFO("gtt_space %p\n", obj_priv->gtt_space);
+#endif
+	if (obj_priv->gtt_space == NULL)
+		return 0;
+
+	if (obj_priv->pin_count != 0) {
+		DRM_ERROR("Attempting to unbind pinned buffer\n");
+		return -EINVAL;
+	}
+
+	/* Wait for any rendering to complete
+	 */
+	ret = i915_gem_object_wait_rendering(obj);
+	if (ret) {
+		DRM_ERROR("wait_rendering failed: %d\n", ret);
+		return ret;
+	}
+
+	/* Move the object to the CPU domain to ensure that
+	 * any possible CPU writes while it's not in the GTT
+	 * are flushed when we go to remap it. This will
+	 * also ensure that all pending GPU writes are finished
+	 * before we unbind.
+	 */
+	ret = i915_gem_object_set_domain(obj, I915_GEM_DOMAIN_CPU,
+					 I915_GEM_DOMAIN_CPU);
+	if (ret) {
+		DRM_ERROR("set_domain failed: %d\n", ret);
+		return ret;
+	}
+
+	if (obj_priv->agp_mem != NULL) {
+		drm_unbind_agp(obj_priv->agp_mem);
+		drm_free_agp(obj_priv->agp_mem, obj->size / PAGE_SIZE);
+		obj_priv->agp_mem = NULL;
+	}
+
+	BUG_ON(obj_priv->active);
+
+	i915_gem_object_free_page_list(obj);
+
+	if (obj_priv->gtt_space) {
+		atomic_dec(&dev->gtt_count);
+		atomic_sub(obj->size, &dev->gtt_memory);
+
+		drm_mm_put_block(obj_priv->gtt_space);
+		obj_priv->gtt_space = NULL;
+	}
+
+	/* Remove ourselves from the LRU list if present. */
+	if (!list_empty(&obj_priv->list))
+		list_del_init(&obj_priv->list);
+
+	return 0;
+}
+
+static int
+i915_gem_evict_something(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	int ret = 0;
+
+	for (;;) {
+		/* If there's an inactive buffer available now, grab it
+		 * and be done.
+		 */
+		if (!list_empty(&dev_priv->mm.inactive_list)) {
+			obj_priv = list_first_entry(&dev_priv->mm.inactive_list,
+						    struct drm_i915_gem_object,
+						    list);
+			obj = obj_priv->obj;
+			BUG_ON(obj_priv->pin_count != 0);
+#if WATCH_LRU
+			DRM_INFO("%s: evicting %p\n", __func__, obj);
+#endif
+			BUG_ON(obj_priv->active);
+
+			/* Wait on the rendering and unbind the buffer. */
+			ret = i915_gem_object_unbind(obj);
+			break;
+		}
+
+		/* If we didn't get anything, but the ring is still processing
+		 * things, wait for one of those things to finish and hopefully
+		 * leave us a buffer to evict.
+		 */
+		if (!list_empty(&dev_priv->mm.request_list)) {
+			struct drm_i915_gem_request *request;
+
+			request = list_first_entry(&dev_priv->mm.request_list,
+						   struct drm_i915_gem_request,
+						   list);
+
+			ret = i915_wait_request(dev, request->seqno);
+			if (ret)
+				break;
+
+			/* if waiting caused an object to become inactive,
+			 * then loop around and wait for it. Otherwise, we
+			 * assume that waiting freed and unbound something,
+			 * so there should now be some space in the GTT
+			 */
+			if (!list_empty(&dev_priv->mm.inactive_list))
+				continue;
+			break;
+		}
+
+		/* If we didn't have anything on the request list but there
+		 * are buffers awaiting a flush, emit one and try again.
+		 * When we wait on it, those buffers waiting for that flush
+		 * will get moved to inactive.
+		 */
+		if (!list_empty(&dev_priv->mm.flushing_list)) {
+			obj_priv = list_first_entry(&dev_priv->mm.flushing_list,
+						    struct drm_i915_gem_object,
+						    list);
+			obj = obj_priv->obj;
+
+			i915_gem_flush(dev,
+				       obj->write_domain,
+				       obj->write_domain);
+			i915_add_request(dev, obj->write_domain);
+
+			obj = NULL;
+			continue;
+		}
+
+		DRM_ERROR("inactive empty %d request empty %d "
+			  "flushing empty %d\n",
+			  list_empty(&dev_priv->mm.inactive_list),
+			  list_empty(&dev_priv->mm.request_list),
+			  list_empty(&dev_priv->mm.flushing_list));
+		/* If we didn't do any of the above, there's nothing to be done
+		 * and we just can't fit it in.
+		 */
+		return -ENOMEM;
+	}
+	return ret;
+}
+
+static int
+i915_gem_object_get_page_list(struct drm_gem_object *obj)
+{
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int page_count, i;
+	struct address_space *mapping;
+	struct inode *inode;
+	struct page *page;
+	int ret;
+
+	if (obj_priv->page_list)
+		return 0;
+
+	/* Get the list of pages out of our struct file.  They'll be pinned
+	 * at this point until we release them.
+	 */
+	page_count = obj->size / PAGE_SIZE;
+	BUG_ON(obj_priv->page_list != NULL);
+	obj_priv->page_list = drm_calloc(page_count, sizeof(struct page *),
+					 DRM_MEM_DRIVER);
+	if (obj_priv->page_list == NULL) {
+		DRM_ERROR("Faled to allocate page list\n");
+		return -ENOMEM;
+	}
+
+	inode = obj->filp->f_path.dentry->d_inode;
+	mapping = inode->i_mapping;
+	for (i = 0; i < page_count; i++) {
+		page = read_mapping_page(mapping, i, NULL);
+		if (IS_ERR(page)) {
+			ret = PTR_ERR(page);
+			DRM_ERROR("read_mapping_page failed: %d\n", ret);
+			i915_gem_object_free_page_list(obj);
+			return ret;
+		}
+		obj_priv->page_list[i] = page;
+	}
+	return 0;
+}
+
+/**
+ * Finds free space in the GTT aperture and binds the object there.
+ */
+static int
+i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
+{
+	struct drm_device *dev = obj->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	struct drm_mm_node *free_space;
+	int page_count, ret;
+
+	if (alignment == 0)
+		alignment = PAGE_SIZE;
+	if (alignment & (PAGE_SIZE - 1)) {
+		DRM_ERROR("Invalid object alignment requested %u\n", alignment);
+		return -EINVAL;
+	}
+
+ search_free:
+	free_space = drm_mm_search_free(&dev_priv->mm.gtt_space,
+					obj->size, alignment, 0);
+	if (free_space != NULL) {
+		obj_priv->gtt_space = drm_mm_get_block(free_space, obj->size,
+						       alignment);
+		if (obj_priv->gtt_space != NULL) {
+			obj_priv->gtt_space->private = obj;
+			obj_priv->gtt_offset = obj_priv->gtt_space->start;
+		}
+	}
+	if (obj_priv->gtt_space == NULL) {
+		/* If the gtt is empty and we're still having trouble
+		 * fitting our object in, we're out of memory.
+		 */
+#if WATCH_LRU
+		DRM_INFO("%s: GTT full, evicting something\n", __func__);
+#endif
+		if (list_empty(&dev_priv->mm.inactive_list) &&
+		    list_empty(&dev_priv->mm.flushing_list) &&
+		    list_empty(&dev_priv->mm.active_list)) {
+			DRM_ERROR("GTT full, but LRU list empty\n");
+			return -ENOMEM;
+		}
+
+		ret = i915_gem_evict_something(dev);
+		if (ret != 0) {
+			DRM_ERROR("Failed to evict a buffer %d\n", ret);
+			return ret;
+		}
+		goto search_free;
+	}
+
+#if WATCH_BUF
+	DRM_INFO("Binding object of size %d at 0x%08x\n",
+		 obj->size, obj_priv->gtt_offset);
+#endif
+	ret = i915_gem_object_get_page_list(obj);
+	if (ret) {
+		drm_mm_put_block(obj_priv->gtt_space);
+		obj_priv->gtt_space = NULL;
+		return ret;
+	}
+
+	page_count = obj->size / PAGE_SIZE;
+	/* Create an AGP memory structure pointing at our pages, and bind it
+	 * into the GTT.
+	 */
+	obj_priv->agp_mem = drm_agp_bind_pages(dev,
+					       obj_priv->page_list,
+					       page_count,
+					       obj_priv->gtt_offset);
+	if (obj_priv->agp_mem == NULL) {
+		i915_gem_object_free_page_list(obj);
+		drm_mm_put_block(obj_priv->gtt_space);
+		obj_priv->gtt_space = NULL;
+		return -ENOMEM;
+	}
+	atomic_inc(&dev->gtt_count);
+	atomic_add(obj->size, &dev->gtt_memory);
+
+	/* Assert that the object is not currently in any GPU domain. As it
+	 * wasn't in the GTT, there shouldn't be any way it could have been in
+	 * a GPU cache
+	 */
+	BUG_ON(obj->read_domains & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
+	BUG_ON(obj->write_domain & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
+
+	return 0;
+}
+
+void
+i915_gem_clflush_object(struct drm_gem_object *obj)
+{
+	struct drm_i915_gem_object	*obj_priv = obj->driver_private;
+
+	/* If we don't have a page list set up, then we're not pinned
+	 * to GPU, and we can ignore the cache flush because it'll happen
+	 * again at bind time.
+	 */
+	if (obj_priv->page_list == NULL)
+		return;
+
+	drm_clflush_pages(obj_priv->page_list, obj->size / PAGE_SIZE);
+}
+
+/*
+ * Set the next domain for the specified object. This
+ * may not actually perform the necessary flushing/invaliding though,
+ * as that may want to be batched with other set_domain operations
+ *
+ * This is (we hope) the only really tricky part of gem. The goal
+ * is fairly simple -- track which caches hold bits of the object
+ * and make sure they remain coherent. A few concrete examples may
+ * help to explain how it works. For shorthand, we use the notation
+ * (read_domains, write_domain), e.g. (CPU, CPU) to indicate the
+ * a pair of read and write domain masks.
+ *
+ * Case 1: the batch buffer
+ *
+ *	1. Allocated
+ *	2. Written by CPU
+ *	3. Mapped to GTT
+ *	4. Read by GPU
+ *	5. Unmapped from GTT
+ *	6. Freed
+ *
+ *	Let's take these a step at a time
+ *
+ *	1. Allocated
+ *		Pages allocated from the kernel may still have
+ *		cache contents, so we set them to (CPU, CPU) always.
+ *	2. Written by CPU (using pwrite)
+ *		The pwrite function calls set_domain (CPU, CPU) and
+ *		this function does nothing (as nothing changes)
+ *	3. Mapped by GTT
+ *		This function asserts that the object is not
+ *		currently in any GPU-based read or write domains
+ *	4. Read by GPU
+ *		i915_gem_execbuffer calls set_domain (COMMAND, 0).
+ *		As write_domain is zero, this function adds in the
+ *		current read domains (CPU+COMMAND, 0).
+ *		flush_domains is set to CPU.
+ *		invalidate_domains is set to COMMAND
+ *		clflush is run to get data out of the CPU caches
+ *		then i915_dev_set_domain calls i915_gem_flush to
+ *		emit an MI_FLUSH and drm_agp_chipset_flush
+ *	5. Unmapped from GTT
+ *		i915_gem_object_unbind calls set_domain (CPU, CPU)
+ *		flush_domains and invalidate_domains end up both zero
+ *		so no flushing/invalidating happens
+ *	6. Freed
+ *		yay, done
+ *
+ * Case 2: The shared render buffer
+ *
+ *	1. Allocated
+ *	2. Mapped to GTT
+ *	3. Read/written by GPU
+ *	4. set_domain to (CPU,CPU)
+ *	5. Read/written by CPU
+ *	6. Read/written by GPU
+ *
+ *	1. Allocated
+ *		Same as last example, (CPU, CPU)
+ *	2. Mapped to GTT
+ *		Nothing changes (assertions find that it is not in the GPU)
+ *	3. Read/written by GPU
+ *		execbuffer calls set_domain (RENDER, RENDER)
+ *		flush_domains gets CPU
+ *		invalidate_domains gets GPU
+ *		clflush (obj)
+ *		MI_FLUSH and drm_agp_chipset_flush
+ *	4. set_domain (CPU, CPU)
+ *		flush_domains gets GPU
+ *		invalidate_domains gets CPU
+ *		wait_rendering (obj) to make sure all drawing is complete.
+ *		This will include an MI_FLUSH to get the data from GPU
+ *		to memory
+ *		clflush (obj) to invalidate the CPU cache
+ *		Another MI_FLUSH in i915_gem_flush (eliminate this somehow?)
+ *	5. Read/written by CPU
+ *		cache lines are loaded and dirtied
+ *	6. Read written by GPU
+ *		Same as last GPU access
+ *
+ * Case 3: The constant buffer
+ *
+ *	1. Allocated
+ *	2. Written by CPU
+ *	3. Read by GPU
+ *	4. Updated (written) by CPU again
+ *	5. Read by GPU
+ *
+ *	1. Allocated
+ *		(CPU, CPU)
+ *	2. Written by CPU
+ *		(CPU, CPU)
+ *	3. Read by GPU
+ *		(CPU+RENDER, 0)
+ *		flush_domains = CPU
+ *		invalidate_domains = RENDER
+ *		clflush (obj)
+ *		MI_FLUSH
+ *		drm_agp_chipset_flush
+ *	4. Updated (written) by CPU again
+ *		(CPU, CPU)
+ *		flush_domains = 0 (no previous write domain)
+ *		invalidate_domains = 0 (no new read domains)
+ *	5. Read by GPU
+ *		(CPU+RENDER, 0)
+ *		flush_domains = CPU
+ *		invalidate_domains = RENDER
+ *		clflush (obj)
+ *		MI_FLUSH
+ *		drm_agp_chipset_flush
+ */
+static int
+i915_gem_object_set_domain(struct drm_gem_object *obj,
+			    uint32_t read_domains,
+			    uint32_t write_domain)
+{
+	struct drm_device		*dev = obj->dev;
+	struct drm_i915_gem_object	*obj_priv = obj->driver_private;
+	uint32_t			invalidate_domains = 0;
+	uint32_t			flush_domains = 0;
+	int				ret;
+
+#if WATCH_BUF
+	DRM_INFO("%s: object %p read %08x -> %08x write %08x -> %08x\n",
+		 __func__, obj,
+		 obj->read_domains, read_domains,
+		 obj->write_domain, write_domain);
+#endif
+	/*
+	 * If the object isn't moving to a new write domain,
+	 * let the object stay in multiple read domains
+	 */
+	if (write_domain == 0)
+		read_domains |= obj->read_domains;
+	else
+		obj_priv->dirty = 1;
+
+	/*
+	 * Flush the current write domain if
+	 * the new read domains don't match. Invalidate
+	 * any read domains which differ from the old
+	 * write domain
+	 */
+	if (obj->write_domain && obj->write_domain != read_domains) {
+		flush_domains |= obj->write_domain;
+		invalidate_domains |= read_domains & ~obj->write_domain;
+	}
+	/*
+	 * Invalidate any read caches which may have
+	 * stale data. That is, any new read domains.
+	 */
+	invalidate_domains |= read_domains & ~obj->read_domains;
+	if ((flush_domains | invalidate_domains) & I915_GEM_DOMAIN_CPU) {
+#if WATCH_BUF
+		DRM_INFO("%s: CPU domain flush %08x invalidate %08x\n",
+			 __func__, flush_domains, invalidate_domains);
+#endif
+		/*
+		 * If we're invaliding the CPU cache and flushing a GPU cache,
+		 * then pause for rendering so that the GPU caches will be
+		 * flushed before the cpu cache is invalidated
+		 */
+		if ((invalidate_domains & I915_GEM_DOMAIN_CPU) &&
+		    (flush_domains & ~(I915_GEM_DOMAIN_CPU |
+				       I915_GEM_DOMAIN_GTT))) {
+			ret = i915_gem_object_wait_rendering(obj);
+			if (ret)
+				return ret;
+		}
+		i915_gem_clflush_object(obj);
+	}
+
+	if ((write_domain | flush_domains) != 0)
+		obj->write_domain = write_domain;
+
+	/* If we're invalidating the CPU domain, clear the per-page CPU
+	 * domain list as well.
+	 */
+	if (obj_priv->page_cpu_valid != NULL &&
+	    (write_domain != 0 ||
+	     read_domains & I915_GEM_DOMAIN_CPU)) {
+		drm_free(obj_priv->page_cpu_valid, obj->size / PAGE_SIZE,
+			 DRM_MEM_DRIVER);
+		obj_priv->page_cpu_valid = NULL;
+	}
+	obj->read_domains = read_domains;
+
+	dev->invalidate_domains |= invalidate_domains;
+	dev->flush_domains |= flush_domains;
+#if WATCH_BUF
+	DRM_INFO("%s: read %08x write %08x invalidate %08x flush %08x\n",
+		 __func__,
+		 obj->read_domains, obj->write_domain,
+		 dev->invalidate_domains, dev->flush_domains);
+#endif
+	return 0;
+}
+
+/**
+ * Set the read/write domain on a range of the object.
+ *
+ * Currently only implemented for CPU reads, otherwise drops to normal
+ * i915_gem_object_set_domain().
+ */
+static int
+i915_gem_object_set_domain_range(struct drm_gem_object *obj,
+				 uint64_t offset,
+				 uint64_t size,
+				 uint32_t read_domains,
+				 uint32_t write_domain)
+{
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int ret, i;
+
+	if (obj->read_domains & I915_GEM_DOMAIN_CPU)
+		return 0;
+
+	if (read_domains != I915_GEM_DOMAIN_CPU ||
+	    write_domain != 0)
+		return i915_gem_object_set_domain(obj,
+						  read_domains, write_domain);
+
+	/* Wait on any GPU rendering to the object to be flushed. */
+	if (obj->write_domain & ~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT)) {
+		ret = i915_gem_object_wait_rendering(obj);
+		if (ret)
+			return ret;
+	}
+
+	if (obj_priv->page_cpu_valid == NULL) {
+		obj_priv->page_cpu_valid = drm_calloc(1, obj->size / PAGE_SIZE,
+						      DRM_MEM_DRIVER);
+	}
+
+	/* Flush the cache on any pages that are still invalid from the CPU's
+	 * perspective.
+	 */
+	for (i = offset / PAGE_SIZE; i <= (offset + size - 1) / PAGE_SIZE; i++) {
+		if (obj_priv->page_cpu_valid[i])
+			continue;
+
+		drm_clflush_pages(obj_priv->page_list + i, 1);
+
+		obj_priv->page_cpu_valid[i] = 1;
+	}
+
+	return 0;
+}
+
+/**
+ * Once all of the objects have been set in the proper domain,
+ * perform the necessary flush and invalidate operations.
+ *
+ * Returns the write domains flushed, for use in flush tracking.
+ */
+static uint32_t
+i915_gem_dev_set_domain(struct drm_device *dev)
+{
+	uint32_t flush_domains = dev->flush_domains;
+
+	/*
+	 * Now that all the buffers are synced to the proper domains,
+	 * flush and invalidate the collected domains
+	 */
+	if (dev->invalidate_domains | dev->flush_domains) {
+#if WATCH_EXEC
+		DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
+			  __func__,
+			 dev->invalidate_domains,
+			 dev->flush_domains);
+#endif
+		i915_gem_flush(dev,
+			       dev->invalidate_domains,
+			       dev->flush_domains);
+		dev->invalidate_domains = 0;
+		dev->flush_domains = 0;
+	}
+
+	return flush_domains;
+}
+
+/**
+ * Pin an object to the GTT and evaluate the relocations landing in it.
+ */
+static int
+i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
+				 struct drm_file *file_priv,
+				 struct drm_i915_gem_exec_object *entry)
+{
+	struct drm_device *dev = obj->dev;
+	struct drm_i915_gem_relocation_entry reloc;
+	struct drm_i915_gem_relocation_entry __user *relocs;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int i, ret;
+	uint32_t last_reloc_offset = -1;
+	void *reloc_page = NULL;
+
+	/* Choose the GTT offset for our buffer and put it there. */
+	ret = i915_gem_object_pin(obj, (uint32_t) entry->alignment);
+	if (ret)
+		return ret;
+
+	entry->offset = obj_priv->gtt_offset;
+
+	relocs = (struct drm_i915_gem_relocation_entry __user *)
+		 (uintptr_t) entry->relocs_ptr;
+	/* Apply the relocations, using the GTT aperture to avoid cache
+	 * flushing requirements.
+	 */
+	for (i = 0; i < entry->relocation_count; i++) {
+		struct drm_gem_object *target_obj;
+		struct drm_i915_gem_object *target_obj_priv;
+		uint32_t reloc_val, reloc_offset, *reloc_entry;
+		int ret;
+
+		ret = copy_from_user(&reloc, relocs + i, sizeof(reloc));
+		if (ret != 0) {
+			i915_gem_object_unpin(obj);
+			return ret;
+		}
+
+		target_obj = drm_gem_object_lookup(obj->dev, file_priv,
+						   reloc.target_handle);
+		if (target_obj == NULL) {
+			i915_gem_object_unpin(obj);
+			return -EBADF;
+		}
+		target_obj_priv = target_obj->driver_private;
+
+		/* The target buffer should have appeared before us in the
+		 * exec_object list, so it should have a GTT space bound by now.
+		 */
+		if (target_obj_priv->gtt_space == NULL) {
+			DRM_ERROR("No GTT space found for object %d\n",
+				  reloc.target_handle);
+			drm_gem_object_unreference(target_obj);
+			i915_gem_object_unpin(obj);
+			return -EINVAL;
+		}
+
+		if (reloc.offset > obj->size - 4) {
+			DRM_ERROR("Relocation beyond object bounds: "
+				  "obj %p target %d offset %d size %d.\n",
+				  obj, reloc.target_handle,
+				  (int) reloc.offset, (int) obj->size);
+			drm_gem_object_unreference(target_obj);
+			i915_gem_object_unpin(obj);
+			return -EINVAL;
+		}
+		if (reloc.offset & 3) {
+			DRM_ERROR("Relocation not 4-byte aligned: "
+				  "obj %p target %d offset %d.\n",
+				  obj, reloc.target_handle,
+				  (int) reloc.offset);
+			drm_gem_object_unreference(target_obj);
+			i915_gem_object_unpin(obj);
+			return -EINVAL;
+		}
+
+		if (reloc.write_domain && target_obj->pending_write_domain &&
+		    reloc.write_domain != target_obj->pending_write_domain) {
+			DRM_ERROR("Write domain conflict: "
+				  "obj %p target %d offset %d "
+				  "new %08x old %08x\n",
+				  obj, reloc.target_handle,
+				  (int) reloc.offset,
+				  reloc.write_domain,
+				  target_obj->pending_write_domain);
+			drm_gem_object_unreference(target_obj);
+			i915_gem_object_unpin(obj);
+			return -EINVAL;
+		}
+
+#if WATCH_RELOC
+		DRM_INFO("%s: obj %p offset %08x target %d "
+			 "read %08x write %08x gtt %08x "
+			 "presumed %08x delta %08x\n",
+			 __func__,
+			 obj,
+			 (int) reloc.offset,
+			 (int) reloc.target_handle,
+			 (int) reloc.read_domains,
+			 (int) reloc.write_domain,
+			 (int) target_obj_priv->gtt_offset,
+			 (int) reloc.presumed_offset,
+			 reloc.delta);
+#endif
+
+		target_obj->pending_read_domains |= reloc.read_domains;
+		target_obj->pending_write_domain |= reloc.write_domain;
+
+		/* If the relocation already has the right value in it, no
+		 * more work needs to be done.
+		 */
+		if (target_obj_priv->gtt_offset == reloc.presumed_offset) {
+			drm_gem_object_unreference(target_obj);
+			continue;
+		}
+
+		/* Now that we're going to actually write some data in,
+		 * make sure that any rendering using this buffer's contents
+		 * is completed.
+		 */
+		i915_gem_object_wait_rendering(obj);
+
+		/* As we're writing through the gtt, flush
+		 * any CPU writes before we write the relocations
+		 */
+		if (obj->write_domain & I915_GEM_DOMAIN_CPU) {
+			i915_gem_clflush_object(obj);
+			drm_agp_chipset_flush(dev);
+			obj->write_domain = 0;
+		}
+
+		/* Map the page containing the relocation we're going to
+		 * perform.
+		 */
+		reloc_offset = obj_priv->gtt_offset + reloc.offset;
+		if (reloc_page == NULL ||
+		    (last_reloc_offset & ~(PAGE_SIZE - 1)) !=
+		    (reloc_offset & ~(PAGE_SIZE - 1))) {
+			if (reloc_page != NULL)
+				iounmap(reloc_page);
+
+			reloc_page = ioremap(dev->agp->base +
+					     (reloc_offset & ~(PAGE_SIZE - 1)),
+					     PAGE_SIZE);
+			last_reloc_offset = reloc_offset;
+			if (reloc_page == NULL) {
+				drm_gem_object_unreference(target_obj);
+				i915_gem_object_unpin(obj);
+				return -ENOMEM;
+			}
+		}
+
+		reloc_entry = (uint32_t *)((char *)reloc_page +
+					   (reloc_offset & (PAGE_SIZE - 1)));
+		reloc_val = target_obj_priv->gtt_offset + reloc.delta;
+
+#if WATCH_BUF
+		DRM_INFO("Applied relocation: %p@0x%08x %08x -> %08x\n",
+			  obj, (unsigned int) reloc.offset,
+			  readl(reloc_entry), reloc_val);
+#endif
+		writel(reloc_val, reloc_entry);
+
+		/* Write the updated presumed offset for this entry back out
+		 * to the user.
+		 */
+		reloc.presumed_offset = target_obj_priv->gtt_offset;
+		ret = copy_to_user(relocs + i, &reloc, sizeof(reloc));
+		if (ret != 0) {
+			drm_gem_object_unreference(target_obj);
+			i915_gem_object_unpin(obj);
+			return ret;
+		}
+
+		drm_gem_object_unreference(target_obj);
+	}
+
+	if (reloc_page != NULL)
+		iounmap(reloc_page);
+
+#if WATCH_BUF
+	if (0)
+		i915_gem_dump_object(obj, 128, __func__, ~0);
+#endif
+	return 0;
+}
+
+/** Dispatch a batchbuffer to the ring
+ */
+static int
+i915_dispatch_gem_execbuffer(struct drm_device *dev,
+			      struct drm_i915_gem_execbuffer *exec,
+			      uint64_t exec_offset)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_clip_rect __user *boxes = (struct drm_clip_rect __user *)
+					     (uintptr_t) exec->cliprects_ptr;
+	int nbox = exec->num_cliprects;
+	int i = 0, count;
+	uint32_t	exec_start, exec_len;
+	RING_LOCALS;
+
+	exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
+	exec_len = (uint32_t) exec->batch_len;
+
+	if ((exec_start | exec_len) & 0x7) {
+		DRM_ERROR("alignment\n");
+		return -EINVAL;
+	}
+
+	if (!exec_start)
+		return -EINVAL;
+
+	count = nbox ? nbox : 1;
+
+	for (i = 0; i < count; i++) {
+		if (i < nbox) {
+			int ret = i915_emit_box(dev, boxes, i,
+						exec->DR1, exec->DR4);
+			if (ret)
+				return ret;
+		}
+
+		if (IS_I830(dev) || IS_845G(dev)) {
+			BEGIN_LP_RING(4);
+			OUT_RING(MI_BATCH_BUFFER);
+			OUT_RING(exec_start | MI_BATCH_NON_SECURE);
+			OUT_RING(exec_start + exec_len - 4);
+			OUT_RING(0);
+			ADVANCE_LP_RING();
+		} else {
+			BEGIN_LP_RING(2);
+			if (IS_I965G(dev)) {
+				OUT_RING(MI_BATCH_BUFFER_START |
+					 (2 << 6) |
+					 MI_BATCH_NON_SECURE_I965);
+				OUT_RING(exec_start);
+			} else {
+				OUT_RING(MI_BATCH_BUFFER_START |
+					 (2 << 6));
+				OUT_RING(exec_start | MI_BATCH_NON_SECURE);
+			}
+			ADVANCE_LP_RING();
+		}
+	}
+
+	/* XXX breadcrumb */
+	return 0;
+}
+
+/* Throttle our rendering by waiting until the ring has completed our requests
+ * emitted over 20 msec ago.
+ *
+ * This should get us reasonable parallelism between CPU and GPU but also
+ * relatively low latency when blocking on a particular request to finish.
+ */
+static int
+i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file_priv)
+{
+	struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+	int ret = 0;
+	uint32_t seqno;
+
+	mutex_lock(&dev->struct_mutex);
+	seqno = i915_file_priv->mm.last_gem_throttle_seqno;
+	i915_file_priv->mm.last_gem_throttle_seqno =
+		i915_file_priv->mm.last_gem_seqno;
+	if (seqno)
+		ret = i915_wait_request(dev, seqno);
+	mutex_unlock(&dev->struct_mutex);
+	return ret;
+}
+
+int
+i915_gem_execbuffer(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+	struct drm_i915_gem_execbuffer *args = data;
+	struct drm_i915_gem_exec_object *exec_list = NULL;
+	struct drm_gem_object **object_list = NULL;
+	struct drm_gem_object *batch_obj;
+	int ret, i, pinned = 0;
+	uint64_t exec_offset;
+	uint32_t seqno, flush_domains;
+
+#if WATCH_EXEC
+	DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
+		  (int) args->buffers_ptr, args->buffer_count, args->batch_len);
+#endif
+
+	/* Copy in the exec list from userland */
+	exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
+			       DRM_MEM_DRIVER);
+	object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
+				 DRM_MEM_DRIVER);
+	if (exec_list == NULL || object_list == NULL) {
+		DRM_ERROR("Failed to allocate exec or object list "
+			  "for %d buffers\n",
+			  args->buffer_count);
+		ret = -ENOMEM;
+		goto pre_mutex_err;
+	}
+	ret = copy_from_user(exec_list,
+			     (struct drm_i915_relocation_entry __user *)
+			     (uintptr_t) args->buffers_ptr,
+			     sizeof(*exec_list) * args->buffer_count);
+	if (ret != 0) {
+		DRM_ERROR("copy %d exec entries failed %d\n",
+			  args->buffer_count, ret);
+		goto pre_mutex_err;
+	}
+
+	mutex_lock(&dev->struct_mutex);
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+
+	if (dev_priv->mm.wedged) {
+		DRM_ERROR("Execbuf while wedged\n");
+		mutex_unlock(&dev->struct_mutex);
+		return -EIO;
+	}
+
+	if (dev_priv->mm.suspended) {
+		DRM_ERROR("Execbuf while VT-switched.\n");
+		mutex_unlock(&dev->struct_mutex);
+		return -EBUSY;
+	}
+
+	/* Zero the gloabl flush/invalidate flags. These
+	 * will be modified as each object is bound to the
+	 * gtt
+	 */
+	dev->invalidate_domains = 0;
+	dev->flush_domains = 0;
+
+	/* Look up object handles and perform the relocations */
+	for (i = 0; i < args->buffer_count; i++) {
+		object_list[i] = drm_gem_object_lookup(dev, file_priv,
+						       exec_list[i].handle);
+		if (object_list[i] == NULL) {
+			DRM_ERROR("Invalid object handle %d at index %d\n",
+				   exec_list[i].handle, i);
+			ret = -EBADF;
+			goto err;
+		}
+
+		object_list[i]->pending_read_domains = 0;
+		object_list[i]->pending_write_domain = 0;
+		ret = i915_gem_object_pin_and_relocate(object_list[i],
+						       file_priv,
+						       &exec_list[i]);
+		if (ret) {
+			DRM_ERROR("object bind and relocate failed %d\n", ret);
+			goto err;
+		}
+		pinned = i + 1;
+	}
+
+	/* Set the pending read domains for the batch buffer to COMMAND */
+	batch_obj = object_list[args->buffer_count-1];
+	batch_obj->pending_read_domains = I915_GEM_DOMAIN_COMMAND;
+	batch_obj->pending_write_domain = 0;
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+
+	for (i = 0; i < args->buffer_count; i++) {
+		struct drm_gem_object *obj = object_list[i];
+		struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+		if (obj_priv->gtt_space == NULL) {
+			/* We evicted the buffer in the process of validating
+			 * our set of buffers in.  We could try to recover by
+			 * kicking them everything out and trying again from
+			 * the start.
+			 */
+			ret = -ENOMEM;
+			goto err;
+		}
+
+		/* make sure all previous memory operations have passed */
+		ret = i915_gem_object_set_domain(obj,
+						 obj->pending_read_domains,
+						 obj->pending_write_domain);
+		if (ret)
+			goto err;
+	}
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+
+	/* Flush/invalidate caches and chipset buffer */
+	flush_domains = i915_gem_dev_set_domain(dev);
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+
+#if WATCH_COHERENCY
+	for (i = 0; i < args->buffer_count; i++) {
+		i915_gem_object_check_coherency(object_list[i],
+						exec_list[i].handle);
+	}
+#endif
+
+	exec_offset = exec_list[args->buffer_count - 1].offset;
+
+#if WATCH_EXEC
+	i915_gem_dump_object(object_list[args->buffer_count - 1],
+			      args->batch_len,
+			      __func__,
+			      ~0);
+#endif
+
+	(void)i915_add_request(dev, flush_domains);
+
+	/* Exec the batchbuffer */
+	ret = i915_dispatch_gem_execbuffer(dev, args, exec_offset);
+	if (ret) {
+		DRM_ERROR("dispatch failed %d\n", ret);
+		goto err;
+	}
+
+	/*
+	 * Ensure that the commands in the batch buffer are
+	 * finished before the interrupt fires
+	 */
+	flush_domains = i915_retire_commands(dev);
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+
+	/*
+	 * Get a seqno representing the execution of the current buffer,
+	 * which we can wait on.  We would like to mitigate these interrupts,
+	 * likely by only creating seqnos occasionally (so that we have
+	 * *some* interrupts representing completion of buffers that we can
+	 * wait on when trying to clear up gtt space).
+	 */
+	seqno = i915_add_request(dev, flush_domains);
+	BUG_ON(seqno == 0);
+	i915_file_priv->mm.last_gem_seqno = seqno;
+	for (i = 0; i < args->buffer_count; i++) {
+		struct drm_gem_object *obj = object_list[i];
+		struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+		i915_gem_object_move_to_active(obj);
+		obj_priv->last_rendering_seqno = seqno;
+#if WATCH_LRU
+		DRM_INFO("%s: move to exec list %p\n", __func__, obj);
+#endif
+	}
+#if WATCH_LRU
+	i915_dump_lru(dev, __func__);
+#endif
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+
+	/* Copy the new buffer offsets back to the user's exec list. */
+	ret = copy_to_user((struct drm_i915_relocation_entry __user *)
+			   (uintptr_t) args->buffers_ptr,
+			   exec_list,
+			   sizeof(*exec_list) * args->buffer_count);
+	if (ret)
+		DRM_ERROR("failed to copy %d exec entries "
+			  "back to user (%d)\n",
+			   args->buffer_count, ret);
+err:
+	if (object_list != NULL) {
+		for (i = 0; i < pinned; i++)
+			i915_gem_object_unpin(object_list[i]);
+
+		for (i = 0; i < args->buffer_count; i++)
+			drm_gem_object_unreference(object_list[i]);
+	}
+	mutex_unlock(&dev->struct_mutex);
+
+pre_mutex_err:
+	drm_free(object_list, sizeof(*object_list) * args->buffer_count,
+		 DRM_MEM_DRIVER);
+	drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
+		 DRM_MEM_DRIVER);
+
+	return ret;
+}
+
+int
+i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
+{
+	struct drm_device *dev = obj->dev;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int ret;
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+	if (obj_priv->gtt_space == NULL) {
+		ret = i915_gem_object_bind_to_gtt(obj, alignment);
+		if (ret != 0) {
+			DRM_ERROR("Failure to bind: %d", ret);
+			return ret;
+		}
+	}
+	obj_priv->pin_count++;
+
+	/* If the object is not active and not pending a flush,
+	 * remove it from the inactive list
+	 */
+	if (obj_priv->pin_count == 1) {
+		atomic_inc(&dev->pin_count);
+		atomic_add(obj->size, &dev->pin_memory);
+		if (!obj_priv->active &&
+		    (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
+					   I915_GEM_DOMAIN_GTT)) == 0 &&
+		    !list_empty(&obj_priv->list))
+			list_del_init(&obj_priv->list);
+	}
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+
+	return 0;
+}
+
+void
+i915_gem_object_unpin(struct drm_gem_object *obj)
+{
+	struct drm_device *dev = obj->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+	obj_priv->pin_count--;
+	BUG_ON(obj_priv->pin_count < 0);
+	BUG_ON(obj_priv->gtt_space == NULL);
+
+	/* If the object is no longer pinned, and is
+	 * neither active nor being flushed, then stick it on
+	 * the inactive list
+	 */
+	if (obj_priv->pin_count == 0) {
+		if (!obj_priv->active &&
+		    (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
+					   I915_GEM_DOMAIN_GTT)) == 0)
+			list_move_tail(&obj_priv->list,
+				       &dev_priv->mm.inactive_list);
+		atomic_dec(&dev->pin_count);
+		atomic_sub(obj->size, &dev->pin_memory);
+	}
+	i915_verify_inactive(dev, __FILE__, __LINE__);
+}
+
+int
+i915_gem_pin_ioctl(struct drm_device *dev, void *data,
+		   struct drm_file *file_priv)
+{
+	struct drm_i915_gem_pin *args = data;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	int ret;
+
+	mutex_lock(&dev->struct_mutex);
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL) {
+		DRM_ERROR("Bad handle in i915_gem_pin_ioctl(): %d\n",
+			  args->handle);
+		mutex_unlock(&dev->struct_mutex);
+		return -EBADF;
+	}
+	obj_priv = obj->driver_private;
+
+	ret = i915_gem_object_pin(obj, args->alignment);
+	if (ret != 0) {
+		drm_gem_object_unreference(obj);
+		mutex_unlock(&dev->struct_mutex);
+		return ret;
+	}
+
+	/* XXX - flush the CPU caches for pinned objects
+	 * as the X server doesn't manage domains yet
+	 */
+	if (obj->write_domain & I915_GEM_DOMAIN_CPU) {
+		i915_gem_clflush_object(obj);
+		drm_agp_chipset_flush(dev);
+		obj->write_domain = 0;
+	}
+	args->offset = obj_priv->gtt_offset;
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+
+	return 0;
+}
+
+int
+i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
+		     struct drm_file *file_priv)
+{
+	struct drm_i915_gem_pin *args = data;
+	struct drm_gem_object *obj;
+
+	mutex_lock(&dev->struct_mutex);
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL) {
+		DRM_ERROR("Bad handle in i915_gem_unpin_ioctl(): %d\n",
+			  args->handle);
+		mutex_unlock(&dev->struct_mutex);
+		return -EBADF;
+	}
+
+	i915_gem_object_unpin(obj);
+
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+	return 0;
+}
+
+int
+i915_gem_busy_ioctl(struct drm_device *dev, void *data,
+		    struct drm_file *file_priv)
+{
+	struct drm_i915_gem_busy *args = data;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+
+	mutex_lock(&dev->struct_mutex);
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL) {
+		DRM_ERROR("Bad handle in i915_gem_busy_ioctl(): %d\n",
+			  args->handle);
+		mutex_unlock(&dev->struct_mutex);
+		return -EBADF;
+	}
+
+	obj_priv = obj->driver_private;
+	args->busy = obj_priv->active;
+
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&dev->struct_mutex);
+	return 0;
+}
+
+int
+i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
+			struct drm_file *file_priv)
+{
+    return i915_gem_ring_throttle(dev, file_priv);
+}
+
+int i915_gem_init_object(struct drm_gem_object *obj)
+{
+	struct drm_i915_gem_object *obj_priv;
+
+	obj_priv = drm_calloc(1, sizeof(*obj_priv), DRM_MEM_DRIVER);
+	if (obj_priv == NULL)
+		return -ENOMEM;
+
+	/*
+	 * We've just allocated pages from the kernel,
+	 * so they've just been written by the CPU with
+	 * zeros. They'll need to be clflushed before we
+	 * use them with the GPU.
+	 */
+	obj->write_domain = I915_GEM_DOMAIN_CPU;
+	obj->read_domains = I915_GEM_DOMAIN_CPU;
+
+	obj->driver_private = obj_priv;
+	obj_priv->obj = obj;
+	INIT_LIST_HEAD(&obj_priv->list);
+	return 0;
+}
+
+void i915_gem_free_object(struct drm_gem_object *obj)
+{
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+	while (obj_priv->pin_count > 0)
+		i915_gem_object_unpin(obj);
+
+	i915_gem_object_unbind(obj);
+
+	drm_free(obj_priv->page_cpu_valid, 1, DRM_MEM_DRIVER);
+	drm_free(obj->driver_private, 1, DRM_MEM_DRIVER);
+}
+
+static int
+i915_gem_set_domain(struct drm_gem_object *obj,
+		    struct drm_file *file_priv,
+		    uint32_t read_domains,
+		    uint32_t write_domain)
+{
+	struct drm_device *dev = obj->dev;
+	int ret;
+	uint32_t flush_domains;
+
+	BUG_ON(!mutex_is_locked(&dev->struct_mutex));
+
+	ret = i915_gem_object_set_domain(obj, read_domains, write_domain);
+	if (ret)
+		return ret;
+	flush_domains = i915_gem_dev_set_domain(obj->dev);
+
+	if (flush_domains & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT))
+		(void) i915_add_request(dev, flush_domains);
+
+	return 0;
+}
+
+/** Unbinds all objects that are on the given buffer list. */
+static int
+i915_gem_evict_from_list(struct drm_device *dev, struct list_head *head)
+{
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	int ret;
+
+	while (!list_empty(head)) {
+		obj_priv = list_first_entry(head,
+					    struct drm_i915_gem_object,
+					    list);
+		obj = obj_priv->obj;
+
+		if (obj_priv->pin_count != 0) {
+			DRM_ERROR("Pinned object in unbind list\n");
+			mutex_unlock(&dev->struct_mutex);
+			return -EINVAL;
+		}
+
+		ret = i915_gem_object_unbind(obj);
+		if (ret != 0) {
+			DRM_ERROR("Error unbinding object in LeaveVT: %d\n",
+				  ret);
+			mutex_unlock(&dev->struct_mutex);
+			return ret;
+		}
+	}
+
+
+	return 0;
+}
+
+static int
+i915_gem_idle(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	uint32_t seqno, cur_seqno, last_seqno;
+	int stuck, ret;
+
+	if (dev_priv->mm.suspended)
+		return 0;
+
+	/* Hack!  Don't let anybody do execbuf while we don't control the chip.
+	 * We need to replace this with a semaphore, or something.
+	 */
+	dev_priv->mm.suspended = 1;
+
+	i915_kernel_lost_context(dev);
+
+	/* Flush the GPU along with all non-CPU write domains
+	 */
+	i915_gem_flush(dev, ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT),
+		       ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
+	seqno = i915_add_request(dev, ~(I915_GEM_DOMAIN_CPU |
+					I915_GEM_DOMAIN_GTT));
+
+	if (seqno == 0) {
+		mutex_unlock(&dev->struct_mutex);
+		return -ENOMEM;
+	}
+
+	dev_priv->mm.waiting_gem_seqno = seqno;
+	last_seqno = 0;
+	stuck = 0;
+	for (;;) {
+		cur_seqno = i915_get_gem_seqno(dev);
+		if (i915_seqno_passed(cur_seqno, seqno))
+			break;
+		if (last_seqno == cur_seqno) {
+			if (stuck++ > 100) {
+				DRM_ERROR("hardware wedged\n");
+				dev_priv->mm.wedged = 1;
+				DRM_WAKEUP(&dev_priv->irq_queue);
+				break;
+			}
+		}
+		msleep(10);
+		last_seqno = cur_seqno;
+	}
+	dev_priv->mm.waiting_gem_seqno = 0;
+
+	i915_gem_retire_requests(dev);
+
+	/* Active and flushing should now be empty as we've
+	 * waited for a sequence higher than any pending execbuffer
+	 */
+	BUG_ON(!list_empty(&dev_priv->mm.active_list));
+	BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
+
+	/* Request should now be empty as we've also waited
+	 * for the last request in the list
+	 */
+	BUG_ON(!list_empty(&dev_priv->mm.request_list));
+
+	/* Move all buffers out of the GTT. */
+	ret = i915_gem_evict_from_list(dev, &dev_priv->mm.inactive_list);
+	if (ret)
+		return ret;
+
+	BUG_ON(!list_empty(&dev_priv->mm.active_list));
+	BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
+	BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
+	BUG_ON(!list_empty(&dev_priv->mm.request_list));
+	return 0;
+}
+
+static int
+i915_gem_init_hws(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	int ret;
+
+	/* If we need a physical address for the status page, it's already
+	 * initialized at driver load time.
+	 */
+	if (!I915_NEED_GFX_HWS(dev))
+		return 0;
+
+	obj = drm_gem_object_alloc(dev, 4096);
+	if (obj == NULL) {
+		DRM_ERROR("Failed to allocate status page\n");
+		return -ENOMEM;
+	}
+	obj_priv = obj->driver_private;
+
+	ret = i915_gem_object_pin(obj, 4096);
+	if (ret != 0) {
+		drm_gem_object_unreference(obj);
+		return ret;
+	}
+
+	dev_priv->status_gfx_addr = obj_priv->gtt_offset;
+	dev_priv->hws_map.offset = dev->agp->base + obj_priv->gtt_offset;
+	dev_priv->hws_map.size = 4096;
+	dev_priv->hws_map.type = 0;
+	dev_priv->hws_map.flags = 0;
+	dev_priv->hws_map.mtrr = 0;
+
+	drm_core_ioremap(&dev_priv->hws_map, dev);
+	if (dev_priv->hws_map.handle == NULL) {
+		DRM_ERROR("Failed to map status page.\n");
+		memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
+		drm_gem_object_unreference(obj);
+		return -EINVAL;
+	}
+	dev_priv->hws_obj = obj;
+	dev_priv->hw_status_page = dev_priv->hws_map.handle;
+	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
+	I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
+	DRM_DEBUG("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
+
+	return 0;
+}
+
+static int
+i915_gem_init_ringbuffer(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+	int ret;
+
+	ret = i915_gem_init_hws(dev);
+	if (ret != 0)
+		return ret;
+
+	obj = drm_gem_object_alloc(dev, 128 * 1024);
+	if (obj == NULL) {
+		DRM_ERROR("Failed to allocate ringbuffer\n");
+		return -ENOMEM;
+	}
+	obj_priv = obj->driver_private;
+
+	ret = i915_gem_object_pin(obj, 4096);
+	if (ret != 0) {
+		drm_gem_object_unreference(obj);
+		return ret;
+	}
+
+	/* Set up the kernel mapping for the ring. */
+	dev_priv->ring.Size = obj->size;
+	dev_priv->ring.tail_mask = obj->size - 1;
+
+	dev_priv->ring.map.offset = dev->agp->base + obj_priv->gtt_offset;
+	dev_priv->ring.map.size = obj->size;
+	dev_priv->ring.map.type = 0;
+	dev_priv->ring.map.flags = 0;
+	dev_priv->ring.map.mtrr = 0;
+
+	drm_core_ioremap(&dev_priv->ring.map, dev);
+	if (dev_priv->ring.map.handle == NULL) {
+		DRM_ERROR("Failed to map ringbuffer.\n");
+		memset(&dev_priv->ring, 0, sizeof(dev_priv->ring));
+		drm_gem_object_unreference(obj);
+		return -EINVAL;
+	}
+	dev_priv->ring.ring_obj = obj;
+	dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
+
+	/* Stop the ring if it's running. */
+	I915_WRITE(PRB0_CTL, 0);
+	I915_WRITE(PRB0_HEAD, 0);
+	I915_WRITE(PRB0_TAIL, 0);
+	I915_WRITE(PRB0_START, 0);
+
+	/* Initialize the ring. */
+	I915_WRITE(PRB0_START, obj_priv->gtt_offset);
+	I915_WRITE(PRB0_CTL,
+		   ((obj->size - 4096) & RING_NR_PAGES) |
+		   RING_NO_REPORT |
+		   RING_VALID);
+
+	/* Update our cache of the ring state */
+	i915_kernel_lost_context(dev);
+
+	return 0;
+}
+
+static void
+i915_gem_cleanup_ringbuffer(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	if (dev_priv->ring.ring_obj == NULL)
+		return;
+
+	drm_core_ioremapfree(&dev_priv->ring.map, dev);
+
+	i915_gem_object_unpin(dev_priv->ring.ring_obj);
+	drm_gem_object_unreference(dev_priv->ring.ring_obj);
+	dev_priv->ring.ring_obj = NULL;
+	memset(&dev_priv->ring, 0, sizeof(dev_priv->ring));
+
+	if (dev_priv->hws_obj != NULL) {
+		i915_gem_object_unpin(dev_priv->hws_obj);
+		drm_gem_object_unreference(dev_priv->hws_obj);
+		dev_priv->hws_obj = NULL;
+		memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
+
+		/* Write high address into HWS_PGA when disabling. */
+		I915_WRITE(HWS_PGA, 0x1ffff000);
+	}
+}
+
+int
+i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
+		       struct drm_file *file_priv)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int ret;
+
+	if (dev_priv->mm.wedged) {
+		DRM_ERROR("Reenabling wedged hardware, good luck\n");
+		dev_priv->mm.wedged = 0;
+	}
+
+	ret = i915_gem_init_ringbuffer(dev);
+	if (ret != 0)
+		return ret;
+
+	mutex_lock(&dev->struct_mutex);
+	BUG_ON(!list_empty(&dev_priv->mm.active_list));
+	BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
+	BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
+	BUG_ON(!list_empty(&dev_priv->mm.request_list));
+	dev_priv->mm.suspended = 0;
+	mutex_unlock(&dev->struct_mutex);
+	return 0;
+}
+
+int
+i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
+		       struct drm_file *file_priv)
+{
+	int ret;
+
+	mutex_lock(&dev->struct_mutex);
+	ret = i915_gem_idle(dev);
+	if (ret == 0)
+		i915_gem_cleanup_ringbuffer(dev);
+	mutex_unlock(&dev->struct_mutex);
+
+	return 0;
+}
+
+void
+i915_gem_lastclose(struct drm_device *dev)
+{
+	int ret;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	mutex_lock(&dev->struct_mutex);
+
+	if (dev_priv->ring.ring_obj != NULL) {
+		ret = i915_gem_idle(dev);
+		if (ret)
+			DRM_ERROR("failed to idle hardware: %d\n", ret);
+
+		i915_gem_cleanup_ringbuffer(dev);
+	}
+
+	mutex_unlock(&dev->struct_mutex);
+}
+
+void
+i915_gem_load(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+
+	INIT_LIST_HEAD(&dev_priv->mm.active_list);
+	INIT_LIST_HEAD(&dev_priv->mm.flushing_list);
+	INIT_LIST_HEAD(&dev_priv->mm.inactive_list);
+	INIT_LIST_HEAD(&dev_priv->mm.request_list);
+	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
+			  i915_gem_retire_work_handler);
+	dev_priv->mm.next_gem_seqno = 1;
+
+	i915_gem_detect_bit_6_swizzle(dev);
+}
diff --git a/drivers/gpu/drm/i915/i915_gem_debug.c b/drivers/gpu/drm/i915/i915_gem_debug.c
new file mode 100644
index 00000000000..131c088f8c8
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gem_debug.c
@@ -0,0 +1,201 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Keith Packard <keithp@keithp.com>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+#if WATCH_INACTIVE
+void
+i915_verify_inactive(struct drm_device *dev, char *file, int line)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+
+	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) {
+		obj = obj_priv->obj;
+		if (obj_priv->pin_count || obj_priv->active ||
+		    (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
+					   I915_GEM_DOMAIN_GTT)))
+			DRM_ERROR("inactive %p (p %d a %d w %x)  %s:%d\n",
+				  obj,
+				  obj_priv->pin_count, obj_priv->active,
+				  obj->write_domain, file, line);
+	}
+}
+#endif /* WATCH_INACTIVE */
+
+
+#if WATCH_BUF | WATCH_EXEC | WATCH_PWRITE
+static void
+i915_gem_dump_page(struct page *page, uint32_t start, uint32_t end,
+		   uint32_t bias, uint32_t mark)
+{
+	uint32_t *mem = kmap_atomic(page, KM_USER0);
+	int i;
+	for (i = start; i < end; i += 4)
+		DRM_INFO("%08x: %08x%s\n",
+			  (int) (bias + i), mem[i / 4],
+			  (bias + i == mark) ? " ********" : "");
+	kunmap_atomic(mem, KM_USER0);
+	/* give syslog time to catch up */
+	msleep(1);
+}
+
+void
+i915_gem_dump_object(struct drm_gem_object *obj, int len,
+		     const char *where, uint32_t mark)
+{
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int page;
+
+	DRM_INFO("%s: object at offset %08x\n", where, obj_priv->gtt_offset);
+	for (page = 0; page < (len + PAGE_SIZE-1) / PAGE_SIZE; page++) {
+		int page_len, chunk, chunk_len;
+
+		page_len = len - page * PAGE_SIZE;
+		if (page_len > PAGE_SIZE)
+			page_len = PAGE_SIZE;
+
+		for (chunk = 0; chunk < page_len; chunk += 128) {
+			chunk_len = page_len - chunk;
+			if (chunk_len > 128)
+				chunk_len = 128;
+			i915_gem_dump_page(obj_priv->page_list[page],
+					   chunk, chunk + chunk_len,
+					   obj_priv->gtt_offset +
+					   page * PAGE_SIZE,
+					   mark);
+		}
+	}
+}
+#endif
+
+#if WATCH_LRU
+void
+i915_dump_lru(struct drm_device *dev, const char *where)
+{
+	drm_i915_private_t		*dev_priv = dev->dev_private;
+	struct drm_i915_gem_object	*obj_priv;
+
+	DRM_INFO("active list %s {\n", where);
+	list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
+			    list)
+	{
+		DRM_INFO("    %p: %08x\n", obj_priv,
+			 obj_priv->last_rendering_seqno);
+	}
+	DRM_INFO("}\n");
+	DRM_INFO("flushing list %s {\n", where);
+	list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
+			    list)
+	{
+		DRM_INFO("    %p: %08x\n", obj_priv,
+			 obj_priv->last_rendering_seqno);
+	}
+	DRM_INFO("}\n");
+	DRM_INFO("inactive %s {\n", where);
+	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list, list) {
+		DRM_INFO("    %p: %08x\n", obj_priv,
+			 obj_priv->last_rendering_seqno);
+	}
+	DRM_INFO("}\n");
+}
+#endif
+
+
+#if WATCH_COHERENCY
+void
+i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle)
+{
+	struct drm_device *dev = obj->dev;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int page;
+	uint32_t *gtt_mapping;
+	uint32_t *backing_map = NULL;
+	int bad_count = 0;
+
+	DRM_INFO("%s: checking coherency of object %p@0x%08x (%d, %dkb):\n",
+		 __func__, obj, obj_priv->gtt_offset, handle,
+		 obj->size / 1024);
+
+	gtt_mapping = ioremap(dev->agp->base + obj_priv->gtt_offset,
+			      obj->size);
+	if (gtt_mapping == NULL) {
+		DRM_ERROR("failed to map GTT space\n");
+		return;
+	}
+
+	for (page = 0; page < obj->size / PAGE_SIZE; page++) {
+		int i;
+
+		backing_map = kmap_atomic(obj_priv->page_list[page], KM_USER0);
+
+		if (backing_map == NULL) {
+			DRM_ERROR("failed to map backing page\n");
+			goto out;
+		}
+
+		for (i = 0; i < PAGE_SIZE / 4; i++) {
+			uint32_t cpuval = backing_map[i];
+			uint32_t gttval = readl(gtt_mapping +
+						page * 1024 + i);
+
+			if (cpuval != gttval) {
+				DRM_INFO("incoherent CPU vs GPU at 0x%08x: "
+					 "0x%08x vs 0x%08x\n",
+					 (int)(obj_priv->gtt_offset +
+					       page * PAGE_SIZE + i * 4),
+					 cpuval, gttval);
+				if (bad_count++ >= 8) {
+					DRM_INFO("...\n");
+					goto out;
+				}
+			}
+		}
+		kunmap_atomic(backing_map, KM_USER0);
+		backing_map = NULL;
+	}
+
+ out:
+	if (backing_map != NULL)
+		kunmap_atomic(backing_map, KM_USER0);
+	iounmap(gtt_mapping);
+
+	/* give syslog time to catch up */
+	msleep(1);
+
+	/* Directly flush the object, since we just loaded values with the CPU
+	 * from the backing pages and we don't want to disturb the cache
+	 * management that we're trying to observe.
+	 */
+
+	i915_gem_clflush_object(obj);
+}
+#endif
diff --git a/drivers/gpu/drm/i915/i915_gem_proc.c b/drivers/gpu/drm/i915/i915_gem_proc.c
new file mode 100644
index 00000000000..15d4160415b
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gem_proc.c
@@ -0,0 +1,292 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *    Keith Packard <keithp@keithp.com>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+static int i915_gem_active_info(char *buf, char **start, off_t offset,
+				int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv;
+	int len = 0;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+	DRM_PROC_PRINT("Active:\n");
+	list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
+			    list)
+	{
+		struct drm_gem_object *obj = obj_priv->obj;
+		if (obj->name) {
+			DRM_PROC_PRINT("    %p(%d): %08x %08x %d\n",
+				       obj, obj->name,
+				       obj->read_domains, obj->write_domain,
+				       obj_priv->last_rendering_seqno);
+		} else {
+			DRM_PROC_PRINT("       %p: %08x %08x %d\n",
+				       obj,
+				       obj->read_domains, obj->write_domain,
+				       obj_priv->last_rendering_seqno);
+		}
+	}
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
+static int i915_gem_flushing_info(char *buf, char **start, off_t offset,
+				  int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv;
+	int len = 0;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+	DRM_PROC_PRINT("Flushing:\n");
+	list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
+			    list)
+	{
+		struct drm_gem_object *obj = obj_priv->obj;
+		if (obj->name) {
+			DRM_PROC_PRINT("    %p(%d): %08x %08x %d\n",
+				       obj, obj->name,
+				       obj->read_domains, obj->write_domain,
+				       obj_priv->last_rendering_seqno);
+		} else {
+			DRM_PROC_PRINT("       %p: %08x %08x %d\n", obj,
+				       obj->read_domains, obj->write_domain,
+				       obj_priv->last_rendering_seqno);
+		}
+	}
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
+static int i915_gem_inactive_info(char *buf, char **start, off_t offset,
+				  int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv;
+	int len = 0;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+	DRM_PROC_PRINT("Inactive:\n");
+	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
+			    list)
+	{
+		struct drm_gem_object *obj = obj_priv->obj;
+		if (obj->name) {
+			DRM_PROC_PRINT("    %p(%d): %08x %08x %d\n",
+				       obj, obj->name,
+				       obj->read_domains, obj->write_domain,
+				       obj_priv->last_rendering_seqno);
+		} else {
+			DRM_PROC_PRINT("       %p: %08x %08x %d\n", obj,
+				       obj->read_domains, obj->write_domain,
+				       obj_priv->last_rendering_seqno);
+		}
+	}
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
+static int i915_gem_request_info(char *buf, char **start, off_t offset,
+				 int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_request *gem_request;
+	int len = 0;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+	DRM_PROC_PRINT("Request:\n");
+	list_for_each_entry(gem_request, &dev_priv->mm.request_list,
+			    list)
+	{
+		DRM_PROC_PRINT("    %d @ %d %08x\n",
+			       gem_request->seqno,
+			       (int) (jiffies - gem_request->emitted_jiffies),
+			       gem_request->flush_domains);
+	}
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
+static int i915_gem_seqno_info(char *buf, char **start, off_t offset,
+			       int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int len = 0;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+	DRM_PROC_PRINT("Current sequence: %d\n", i915_get_gem_seqno(dev));
+	DRM_PROC_PRINT("Waiter sequence:  %d\n",
+		       dev_priv->mm.waiting_gem_seqno);
+	DRM_PROC_PRINT("IRQ sequence:     %d\n", dev_priv->mm.irq_gem_seqno);
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
+
+static int i915_interrupt_info(char *buf, char **start, off_t offset,
+			       int request, int *eof, void *data)
+{
+	struct drm_minor *minor = (struct drm_minor *) data;
+	struct drm_device *dev = minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int len = 0;
+
+	if (offset > DRM_PROC_LIMIT) {
+		*eof = 1;
+		return 0;
+	}
+
+	*start = &buf[offset];
+	*eof = 0;
+	DRM_PROC_PRINT("Interrupt enable:    %08x\n",
+		       I915_READ(IER));
+	DRM_PROC_PRINT("Interrupt identity:  %08x\n",
+		       I915_READ(IIR));
+	DRM_PROC_PRINT("Interrupt mask:      %08x\n",
+		       I915_READ(IMR));
+	DRM_PROC_PRINT("Pipe A stat:         %08x\n",
+		       I915_READ(PIPEASTAT));
+	DRM_PROC_PRINT("Pipe B stat:         %08x\n",
+		       I915_READ(PIPEBSTAT));
+	DRM_PROC_PRINT("Interrupts received: %d\n",
+		       atomic_read(&dev_priv->irq_received));
+	DRM_PROC_PRINT("Current sequence:    %d\n",
+		       i915_get_gem_seqno(dev));
+	DRM_PROC_PRINT("Waiter sequence:     %d\n",
+		       dev_priv->mm.waiting_gem_seqno);
+	DRM_PROC_PRINT("IRQ sequence:        %d\n",
+		       dev_priv->mm.irq_gem_seqno);
+	if (len > request + offset)
+		return request;
+	*eof = 1;
+	return len - offset;
+}
+
+static struct drm_proc_list {
+	/** file name */
+	const char *name;
+	/** proc callback*/
+	int (*f) (char *, char **, off_t, int, int *, void *);
+} i915_gem_proc_list[] = {
+	{"i915_gem_active", i915_gem_active_info},
+	{"i915_gem_flushing", i915_gem_flushing_info},
+	{"i915_gem_inactive", i915_gem_inactive_info},
+	{"i915_gem_request", i915_gem_request_info},
+	{"i915_gem_seqno", i915_gem_seqno_info},
+	{"i915_gem_interrupt", i915_interrupt_info},
+};
+
+#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list)
+
+int i915_gem_proc_init(struct drm_minor *minor)
+{
+	struct proc_dir_entry *ent;
+	int i, j;
+
+	for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) {
+		ent = create_proc_entry(i915_gem_proc_list[i].name,
+					S_IFREG | S_IRUGO, minor->dev_root);
+		if (!ent) {
+			DRM_ERROR("Cannot create /proc/dri/.../%s\n",
+				  i915_gem_proc_list[i].name);
+			for (j = 0; j < i; j++)
+				remove_proc_entry(i915_gem_proc_list[i].name,
+						  minor->dev_root);
+			return -1;
+		}
+		ent->read_proc = i915_gem_proc_list[i].f;
+		ent->data = minor;
+	}
+	return 0;
+}
+
+void i915_gem_proc_cleanup(struct drm_minor *minor)
+{
+	int i;
+
+	if (!minor->dev_root)
+		return;
+
+	for (i = 0; i < I915_GEM_PROC_ENTRIES; i++)
+		remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root);
+}
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
new file mode 100644
index 00000000000..0c1b3a0834e
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -0,0 +1,256 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+/** @file i915_gem_tiling.c
+ *
+ * Support for managing tiling state of buffer objects.
+ *
+ * The idea behind tiling is to increase cache hit rates by rearranging
+ * pixel data so that a group of pixel accesses are in the same cacheline.
+ * Performance improvement from doing this on the back/depth buffer are on
+ * the order of 30%.
+ *
+ * Intel architectures make this somewhat more complicated, though, by
+ * adjustments made to addressing of data when the memory is in interleaved
+ * mode (matched pairs of DIMMS) to improve memory bandwidth.
+ * For interleaved memory, the CPU sends every sequential 64 bytes
+ * to an alternate memory channel so it can get the bandwidth from both.
+ *
+ * The GPU also rearranges its accesses for increased bandwidth to interleaved
+ * memory, and it matches what the CPU does for non-tiled.  However, when tiled
+ * it does it a little differently, since one walks addresses not just in the
+ * X direction but also Y.  So, along with alternating channels when bit
+ * 6 of the address flips, it also alternates when other bits flip --  Bits 9
+ * (every 512 bytes, an X tile scanline) and 10 (every two X tile scanlines)
+ * are common to both the 915 and 965-class hardware.
+ *
+ * The CPU also sometimes XORs in higher bits as well, to improve
+ * bandwidth doing strided access like we do so frequently in graphics.  This
+ * is called "Channel XOR Randomization" in the MCH documentation.  The result
+ * is that the CPU is XORing in either bit 11 or bit 17 to bit 6 of its address
+ * decode.
+ *
+ * All of this bit 6 XORing has an effect on our memory management,
+ * as we need to make sure that the 3d driver can correctly address object
+ * contents.
+ *
+ * If we don't have interleaved memory, all tiling is safe and no swizzling is
+ * required.
+ *
+ * When bit 17 is XORed in, we simply refuse to tile at all.  Bit
+ * 17 is not just a page offset, so as we page an objet out and back in,
+ * individual pages in it will have different bit 17 addresses, resulting in
+ * each 64 bytes being swapped with its neighbor!
+ *
+ * Otherwise, if interleaved, we have to tell the 3d driver what the address
+ * swizzling it needs to do is, since it's writing with the CPU to the pages
+ * (bit 6 and potentially bit 11 XORed in), and the GPU is reading from the
+ * pages (bit 6, 9, and 10 XORed in), resulting in a cumulative bit swizzling
+ * required by the CPU of XORing in bit 6, 9, 10, and potentially 11, in order
+ * to match what the GPU expects.
+ */
+
+/**
+ * Detects bit 6 swizzling of address lookup between IGD access and CPU
+ * access through main memory.
+ */
+void
+i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
+	uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
+
+	if (!IS_I9XX(dev)) {
+		/* As far as we know, the 865 doesn't have these bit 6
+		 * swizzling issues.
+		 */
+		swizzle_x = I915_BIT_6_SWIZZLE_NONE;
+		swizzle_y = I915_BIT_6_SWIZZLE_NONE;
+	} else if (!IS_I965G(dev) || IS_I965GM(dev)) {
+		uint32_t dcc;
+
+		/* On 915-945 and GM965, channel interleave by the CPU is
+		 * determined by DCC.  The CPU will alternate based on bit 6
+		 * in interleaved mode, and the GPU will then also alternate
+		 * on bit 6, 9, and 10 for X, but the CPU may also optionally
+		 * alternate based on bit 17 (XOR not disabled and XOR
+		 * bit == 17).
+		 */
+		dcc = I915_READ(DCC);
+		switch (dcc & DCC_ADDRESSING_MODE_MASK) {
+		case DCC_ADDRESSING_MODE_SINGLE_CHANNEL:
+		case DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC:
+			swizzle_x = I915_BIT_6_SWIZZLE_NONE;
+			swizzle_y = I915_BIT_6_SWIZZLE_NONE;
+			break;
+		case DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED:
+			if (IS_I915G(dev) || IS_I915GM(dev) ||
+			    dcc & DCC_CHANNEL_XOR_DISABLE) {
+				swizzle_x = I915_BIT_6_SWIZZLE_9_10;
+				swizzle_y = I915_BIT_6_SWIZZLE_9;
+			} else if (IS_I965GM(dev)) {
+				/* GM965 only does bit 11-based channel
+				 * randomization
+				 */
+				swizzle_x = I915_BIT_6_SWIZZLE_9_10_11;
+				swizzle_y = I915_BIT_6_SWIZZLE_9_11;
+			} else {
+				/* Bit 17 or perhaps other swizzling */
+				swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
+				swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
+			}
+			break;
+		}
+		if (dcc == 0xffffffff) {
+			DRM_ERROR("Couldn't read from MCHBAR.  "
+				  "Disabling tiling.\n");
+			swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
+			swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
+		}
+	} else {
+		/* The 965, G33, and newer, have a very flexible memory
+		 * configuration.  It will enable dual-channel mode
+		 * (interleaving) on as much memory as it can, and the GPU
+		 * will additionally sometimes enable different bit 6
+		 * swizzling for tiled objects from the CPU.
+		 *
+		 * Here's what I found on the G965:
+		 *    slot fill         memory size  swizzling
+		 * 0A   0B   1A   1B    1-ch   2-ch
+		 * 512  0    0    0     512    0     O
+		 * 512  0    512  0     16     1008  X
+		 * 512  0    0    512   16     1008  X
+		 * 0    512  0    512   16     1008  X
+		 * 1024 1024 1024 0     2048   1024  O
+		 *
+		 * We could probably detect this based on either the DRB
+		 * matching, which was the case for the swizzling required in
+		 * the table above, or from the 1-ch value being less than
+		 * the minimum size of a rank.
+		 */
+		if (I915_READ16(C0DRB3) != I915_READ16(C1DRB3)) {
+			swizzle_x = I915_BIT_6_SWIZZLE_NONE;
+			swizzle_y = I915_BIT_6_SWIZZLE_NONE;
+		} else {
+			swizzle_x = I915_BIT_6_SWIZZLE_9_10;
+			swizzle_y = I915_BIT_6_SWIZZLE_9;
+		}
+	}
+
+	dev_priv->mm.bit_6_swizzle_x = swizzle_x;
+	dev_priv->mm.bit_6_swizzle_y = swizzle_y;
+}
+
+/**
+ * Sets the tiling mode of an object, returning the required swizzling of
+ * bit 6 of addresses in the object.
+ */
+int
+i915_gem_set_tiling(struct drm_device *dev, void *data,
+		   struct drm_file *file_priv)
+{
+	struct drm_i915_gem_set_tiling *args = data;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL)
+		return -EINVAL;
+	obj_priv = obj->driver_private;
+
+	mutex_lock(&dev->struct_mutex);
+
+	if (args->tiling_mode == I915_TILING_NONE) {
+		obj_priv->tiling_mode = I915_TILING_NONE;
+		args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
+	} else {
+		if (args->tiling_mode == I915_TILING_X)
+			args->swizzle_mode = dev_priv->mm.bit_6_swizzle_x;
+		else
+			args->swizzle_mode = dev_priv->mm.bit_6_swizzle_y;
+		/* If we can't handle the swizzling, make it untiled. */
+		if (args->swizzle_mode == I915_BIT_6_SWIZZLE_UNKNOWN) {
+			args->tiling_mode = I915_TILING_NONE;
+			args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
+		}
+	}
+	obj_priv->tiling_mode = args->tiling_mode;
+
+	mutex_unlock(&dev->struct_mutex);
+
+	drm_gem_object_unreference(obj);
+
+	return 0;
+}
+
+/**
+ * Returns the current tiling mode and required bit 6 swizzling for the object.
+ */
+int
+i915_gem_get_tiling(struct drm_device *dev, void *data,
+		   struct drm_file *file_priv)
+{
+	struct drm_i915_gem_get_tiling *args = data;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_gem_object *obj;
+	struct drm_i915_gem_object *obj_priv;
+
+	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	if (obj == NULL)
+		return -EINVAL;
+	obj_priv = obj->driver_private;
+
+	mutex_lock(&dev->struct_mutex);
+
+	args->tiling_mode = obj_priv->tiling_mode;
+	switch (obj_priv->tiling_mode) {
+	case I915_TILING_X:
+		args->swizzle_mode = dev_priv->mm.bit_6_swizzle_x;
+		break;
+	case I915_TILING_Y:
+		args->swizzle_mode = dev_priv->mm.bit_6_swizzle_y;
+		break;
+	case I915_TILING_NONE:
+		args->swizzle_mode = I915_BIT_6_SWIZZLE_NONE;
+		break;
+	default:
+		DRM_ERROR("unknown tiling mode\n");
+	}
+
+	mutex_unlock(&dev->struct_mutex);
+
+	drm_gem_object_unreference(obj);
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index f8759597233..f295bdf16e2 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -407,15 +407,20 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		I915_WRITE(PIPEBSTAT, pipeb_stats);
 	}
 
-	if (iir & I915_ASLE_INTERRUPT)
-		opregion_asle_intr(dev);
+	I915_WRITE(IIR, iir);
+	if (dev->pdev->msi_enabled)
+		I915_WRITE(IMR, dev_priv->irq_mask_reg);
+	(void) I915_READ(IIR); /* Flush posted writes */
 
 	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
-	if (dev->pdev->msi_enabled)
-		I915_WRITE(IMR, dev_priv->irq_mask_reg);
-	I915_WRITE(IIR, iir);
-	(void) I915_READ(IIR);
+	if (iir & I915_USER_INTERRUPT) {
+		dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
+		DRM_WAKEUP(&dev_priv->irq_queue);
+	}
+
+	if (iir & I915_ASLE_INTERRUPT)
+		opregion_asle_intr(dev);
 
 	if (vblank && dev_priv->swaps_pending > 0)
 		drm_locked_tasklet(dev, i915_vblank_tasklet);
@@ -449,7 +454,7 @@ static int i915_emit_irq(struct drm_device * dev)
 	return dev_priv->counter;
 }
 
-static void i915_user_irq_get(struct drm_device *dev)
+void i915_user_irq_get(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 43ad2cb8b9f..5c2d9f206d0 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -25,19 +25,6 @@
 #ifndef _I915_REG_H_
 #define _I915_REG_H_
 
-/* MCH MMIO space */
-/** 915-945 and GM965 MCH register controlling DRAM channel access */
-#define DCC		0x200
-#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL		(0 << 0)
-#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC	(1 << 0)
-#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED	(2 << 0)
-#define DCC_ADDRESSING_MODE_MASK			(3 << 0)
-#define DCC_CHANNEL_XOR_DISABLE				(1 << 10)
-
-/** 965 MCH register controlling DRAM channel configuration */
-#define CHDECMISC		0x111
-#define CHDECMISC_FLEXMEMORY		(1 << 1)
-
 /*
  * The Bridge device's PCI config space has information about the
  * fb aperture size and the amount of pre-reserved memory.
@@ -516,6 +503,30 @@
 #define PALETTE_A		0x0a000
 #define PALETTE_B		0x0a800
 
+/* MCH MMIO space */
+
+/*
+ * MCHBAR mirror.
+ *
+ * This mirrors the MCHBAR MMIO space whose location is determined by
+ * device 0 function 0's pci config register 0x44 or 0x48 and matches it in
+ * every way.  It is not accessible from the CP register read instructions.
+ *
+ */
+#define MCHBAR_MIRROR_BASE	0x10000
+
+/** 915-945 and GM965 MCH register controlling DRAM channel access */
+#define DCC			0x10200
+#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL		(0 << 0)
+#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC	(1 << 0)
+#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED	(2 << 0)
+#define DCC_ADDRESSING_MODE_MASK			(3 << 0)
+#define DCC_CHANNEL_XOR_DISABLE				(1 << 10)
+
+/** 965 MCH register controlling DRAM channel configuration */
+#define C0DRB3			0x10206
+#define C1DRB3			0x10606
+
 /*
  * Overlay regs
  */
diff --git a/include/drm/drm.h b/include/drm/drm.h
index 15e55039b7f..f46ba4b57da 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -570,6 +570,34 @@ struct drm_set_version {
 	int drm_dd_minor;
 };
 
+/** DRM_IOCTL_GEM_CLOSE ioctl argument type */
+struct drm_gem_close {
+	/** Handle of the object to be closed. */
+	uint32_t handle;
+	uint32_t pad;
+};
+
+/** DRM_IOCTL_GEM_FLINK ioctl argument type */
+struct drm_gem_flink {
+	/** Handle for the object being named */
+	uint32_t handle;
+
+	/** Returned global name */
+	uint32_t name;
+};
+
+/** DRM_IOCTL_GEM_OPEN ioctl argument type */
+struct drm_gem_open {
+	/** Name of object being opened */
+	uint32_t name;
+
+	/** Returned handle for the object */
+	uint32_t handle;
+
+	/** Returned size of the object */
+	uint64_t size;
+};
+
 #define DRM_IOCTL_BASE			'd'
 #define DRM_IO(nr)			_IO(DRM_IOCTL_BASE,nr)
 #define DRM_IOR(nr,type)		_IOR(DRM_IOCTL_BASE,nr,type)
@@ -585,6 +613,9 @@ struct drm_set_version {
 #define DRM_IOCTL_GET_STATS             DRM_IOR( 0x06, struct drm_stats)
 #define DRM_IOCTL_SET_VERSION		DRM_IOWR(0x07, struct drm_set_version)
 #define DRM_IOCTL_MODESET_CTL           DRM_IOW(0x08, struct drm_modeset_ctl)
+#define DRM_IOCTL_GEM_CLOSE		DRM_IOW (0x09, struct drm_gem_close)
+#define DRM_IOCTL_GEM_FLINK		DRM_IOWR(0x0a, struct drm_gem_flink)
+#define DRM_IOCTL_GEM_OPEN		DRM_IOWR(0x0b, struct drm_gem_open)
 
 #define DRM_IOCTL_SET_UNIQUE		DRM_IOW( 0x10, struct drm_unique)
 #define DRM_IOCTL_AUTH_MAGIC		DRM_IOW( 0x11, struct drm_auth)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index e79ce0781f0..1469a1bd882 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -104,6 +104,7 @@ struct drm_device;
 #define DRIVER_DMA_QUEUE   0x200
 #define DRIVER_FB_DMA      0x400
 #define DRIVER_IRQ_VBL2    0x800
+#define DRIVER_GEM         0x1000
 
 /***********************************************************************/
 /** \name Begin the DRM... */
@@ -387,6 +388,10 @@ struct drm_file {
 	struct drm_minor *minor;
 	int remove_auth_on_close;
 	unsigned long lock_count;
+	/** Mapping of mm object handles to object pointers. */
+	struct idr object_idr;
+	/** Lock for synchronization of access to object_idr. */
+	spinlock_t table_lock;
 	struct file *filp;
 	void *driver_priv;
 };
@@ -557,6 +562,56 @@ struct drm_ati_pcigart_info {
 	int table_size;
 };
 
+/**
+ * This structure defines the drm_mm memory object, which will be used by the
+ * DRM for its buffer objects.
+ */
+struct drm_gem_object {
+	/** Reference count of this object */
+	struct kref refcount;
+
+	/** Handle count of this object. Each handle also holds a reference */
+	struct kref handlecount;
+
+	/** Related drm device */
+	struct drm_device *dev;
+
+	/** File representing the shmem storage */
+	struct file *filp;
+
+	/**
+	 * Size of the object, in bytes.  Immutable over the object's
+	 * lifetime.
+	 */
+	size_t size;
+
+	/**
+	 * Global name for this object, starts at 1. 0 means unnamed.
+	 * Access is covered by the object_name_lock in the related drm_device
+	 */
+	int name;
+
+	/**
+	 * Memory domains. These monitor which caches contain read/write data
+	 * related to the object. When transitioning from one set of domains
+	 * to another, the driver is called to ensure that caches are suitably
+	 * flushed and invalidated
+	 */
+	uint32_t read_domains;
+	uint32_t write_domain;
+
+	/**
+	 * While validating an exec operation, the
+	 * new read/write domain values are computed here.
+	 * They will be transferred to the above values
+	 * at the point that any cache flushing occurs
+	 */
+	uint32_t pending_read_domains;
+	uint32_t pending_write_domain;
+
+	void *driver_private;
+};
+
 /**
  * DRM driver structure. This structure represent the common code for
  * a family of cards. There will one drm_device for each card present
@@ -657,6 +712,18 @@ struct drm_driver {
 	void (*set_version) (struct drm_device *dev,
 			     struct drm_set_version *sv);
 
+	int (*proc_init)(struct drm_minor *minor);
+	void (*proc_cleanup)(struct drm_minor *minor);
+
+	/**
+	 * Driver-specific constructor for drm_gem_objects, to set up
+	 * obj->driver_private.
+	 *
+	 * Returns 0 on success.
+	 */
+	int (*gem_init_object) (struct drm_gem_object *obj);
+	void (*gem_free_object) (struct drm_gem_object *obj);
+
 	int major;
 	int minor;
 	int patchlevel;
@@ -830,6 +897,22 @@ struct drm_device {
 	spinlock_t drw_lock;
 	struct idr drw_idr;
 	/*@} */
+
+	/** \name GEM information */
+	/*@{ */
+	spinlock_t object_name_lock;
+	struct idr object_name_idr;
+	atomic_t object_count;
+	atomic_t object_memory;
+	atomic_t pin_count;
+	atomic_t pin_memory;
+	atomic_t gtt_count;
+	atomic_t gtt_memory;
+	uint32_t gtt_total;
+	uint32_t invalidate_domains;    /* domains pending invalidation */
+	uint32_t flush_domains;         /* domains pending flush */
+	/*@} */
+
 };
 
 static __inline__ int drm_core_check_feature(struct drm_device *dev,
@@ -926,6 +1009,10 @@ extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area);
 extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type);
 extern int drm_free_agp(DRM_AGP_MEM * handle, int pages);
 extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
+extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
+				       struct page **pages,
+				       unsigned long num_pages,
+				       uint32_t gtt_offset);
 extern int drm_unbind_agp(DRM_AGP_MEM * handle);
 
 				/* Misc. IOCTL support (drm_ioctl.h) */
@@ -988,6 +1075,9 @@ extern int drm_getmagic(struct drm_device *dev, void *data,
 extern int drm_authmagic(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 
+/* Cache management (drm_cache.c) */
+void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
+
 				/* Locking IOCTL support (drm_lock.h) */
 extern int drm_lock(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
@@ -1094,6 +1184,7 @@ extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size
 extern int drm_agp_free_memory(DRM_AGP_MEM * handle);
 extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start);
 extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle);
+extern void drm_agp_chipset_flush(struct drm_device *dev);
 
 				/* Stub support (drm_stub.h) */
 extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
@@ -1156,6 +1247,66 @@ extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
 extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size);
 extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size);
 
+/* Graphics Execution Manager library functions (drm_gem.c) */
+int drm_gem_init(struct drm_device *dev);
+void drm_gem_object_free(struct kref *kref);
+struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
+					    size_t size);
+void drm_gem_object_handle_free(struct kref *kref);
+
+static inline void
+drm_gem_object_reference(struct drm_gem_object *obj)
+{
+	kref_get(&obj->refcount);
+}
+
+static inline void
+drm_gem_object_unreference(struct drm_gem_object *obj)
+{
+	if (obj == NULL)
+		return;
+
+	kref_put(&obj->refcount, drm_gem_object_free);
+}
+
+int drm_gem_handle_create(struct drm_file *file_priv,
+			  struct drm_gem_object *obj,
+			  int *handlep);
+
+static inline void
+drm_gem_object_handle_reference(struct drm_gem_object *obj)
+{
+	drm_gem_object_reference(obj);
+	kref_get(&obj->handlecount);
+}
+
+static inline void
+drm_gem_object_handle_unreference(struct drm_gem_object *obj)
+{
+	if (obj == NULL)
+		return;
+
+	/*
+	 * Must bump handle count first as this may be the last
+	 * ref, in which case the object would disappear before we
+	 * checked for a name
+	 */
+	kref_put(&obj->handlecount, drm_gem_object_handle_free);
+	drm_gem_object_unreference(obj);
+}
+
+struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
+					     struct drm_file *filp,
+					     int handle);
+int drm_gem_close_ioctl(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
+			struct drm_file *file_priv);
+int drm_gem_open_ioctl(struct drm_device *dev, void *data,
+		       struct drm_file *file_priv);
+void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
+void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
+
 extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
 extern void drm_core_ioremap_wc(struct drm_map *map, struct drm_device *dev);
 extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 05c66cf03a9..59d08fca25a 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -143,6 +143,22 @@ typedef struct _drm_i915_sarea {
 #define DRM_I915_GET_VBLANK_PIPE	0x0e
 #define DRM_I915_VBLANK_SWAP	0x0f
 #define DRM_I915_HWS_ADDR	0x11
+#define DRM_I915_GEM_INIT	0x13
+#define DRM_I915_GEM_EXECBUFFER	0x14
+#define DRM_I915_GEM_PIN	0x15
+#define DRM_I915_GEM_UNPIN	0x16
+#define DRM_I915_GEM_BUSY	0x17
+#define DRM_I915_GEM_THROTTLE	0x18
+#define DRM_I915_GEM_ENTERVT	0x19
+#define DRM_I915_GEM_LEAVEVT	0x1a
+#define DRM_I915_GEM_CREATE	0x1b
+#define DRM_I915_GEM_PREAD	0x1c
+#define DRM_I915_GEM_PWRITE	0x1d
+#define DRM_I915_GEM_MMAP	0x1e
+#define DRM_I915_GEM_SET_DOMAIN	0x1f
+#define DRM_I915_GEM_SW_FINISH	0x20
+#define DRM_I915_GEM_SET_TILING	0x21
+#define DRM_I915_GEM_GET_TILING	0x22
 
 #define DRM_IOCTL_I915_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
 #define DRM_IOCTL_I915_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -160,6 +176,20 @@ typedef struct _drm_i915_sarea {
 #define DRM_IOCTL_I915_SET_VBLANK_PIPE	DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
 #define DRM_IOCTL_I915_GET_VBLANK_PIPE	DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
 #define DRM_IOCTL_I915_VBLANK_SWAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
+#define DRM_IOCTL_I915_GEM_PIN		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin)
+#define DRM_IOCTL_I915_GEM_UNPIN	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin)
+#define DRM_IOCTL_I915_GEM_BUSY		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy)
+#define DRM_IOCTL_I915_GEM_THROTTLE	DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE)
+#define DRM_IOCTL_I915_GEM_ENTERVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT)
+#define DRM_IOCTL_I915_GEM_LEAVEVT	DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT)
+#define DRM_IOCTL_I915_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create)
+#define DRM_IOCTL_I915_GEM_PREAD	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
+#define DRM_IOCTL_I915_GEM_PWRITE	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
+#define DRM_IOCTL_I915_GEM_MMAP		DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
+#define DRM_IOCTL_I915_GEM_SET_DOMAIN	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
+#define DRM_IOCTL_I915_GEM_SW_FINISH	DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
+#define DRM_IOCTL_I915_GEM_SET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
+#define DRM_IOCTL_I915_GEM_GET_TILING	DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
 
 /* Allow drivers to submit batchbuffers directly to hardware, relying
  * on the security mechanisms provided by hardware.
@@ -200,6 +230,7 @@ typedef struct drm_i915_irq_wait {
 #define I915_PARAM_IRQ_ACTIVE            1
 #define I915_PARAM_ALLOW_BATCHBUFFER     2
 #define I915_PARAM_LAST_DISPATCH         3
+#define I915_PARAM_HAS_GEM               5
 
 typedef struct drm_i915_getparam {
 	int param;
@@ -267,4 +298,305 @@ typedef struct drm_i915_hws_addr {
 	uint64_t addr;
 } drm_i915_hws_addr_t;
 
+struct drm_i915_gem_init {
+	/**
+	 * Beginning offset in the GTT to be managed by the DRM memory
+	 * manager.
+	 */
+	uint64_t gtt_start;
+	/**
+	 * Ending offset in the GTT to be managed by the DRM memory
+	 * manager.
+	 */
+	uint64_t gtt_end;
+};
+
+struct drm_i915_gem_create {
+	/**
+	 * Requested size for the object.
+	 *
+	 * The (page-aligned) allocated size for the object will be returned.
+	 */
+	uint64_t size;
+	/**
+	 * Returned handle for the object.
+	 *
+	 * Object handles are nonzero.
+	 */
+	uint32_t handle;
+	uint32_t pad;
+};
+
+struct drm_i915_gem_pread {
+	/** Handle for the object being read. */
+	uint32_t handle;
+	uint32_t pad;
+	/** Offset into the object to read from */
+	uint64_t offset;
+	/** Length of data to read */
+	uint64_t size;
+	/**
+	 * Pointer to write the data into.
+	 *
+	 * This is a fixed-size type for 32/64 compatibility.
+	 */
+	uint64_t data_ptr;
+};
+
+struct drm_i915_gem_pwrite {
+	/** Handle for the object being written to. */
+	uint32_t handle;
+	uint32_t pad;
+	/** Offset into the object to write to */
+	uint64_t offset;
+	/** Length of data to write */
+	uint64_t size;
+	/**
+	 * Pointer to read the data from.
+	 *
+	 * This is a fixed-size type for 32/64 compatibility.
+	 */
+	uint64_t data_ptr;
+};
+
+struct drm_i915_gem_mmap {
+	/** Handle for the object being mapped. */
+	uint32_t handle;
+	uint32_t pad;
+	/** Offset in the object to map. */
+	uint64_t offset;
+	/**
+	 * Length of data to map.
+	 *
+	 * The value will be page-aligned.
+	 */
+	uint64_t size;
+	/**
+	 * Returned pointer the data was mapped at.
+	 *
+	 * This is a fixed-size type for 32/64 compatibility.
+	 */
+	uint64_t addr_ptr;
+};
+
+struct drm_i915_gem_set_domain {
+	/** Handle for the object */
+	uint32_t handle;
+
+	/** New read domains */
+	uint32_t read_domains;
+
+	/** New write domain */
+	uint32_t write_domain;
+};
+
+struct drm_i915_gem_sw_finish {
+	/** Handle for the object */
+	uint32_t handle;
+};
+
+struct drm_i915_gem_relocation_entry {
+	/**
+	 * Handle of the buffer being pointed to by this relocation entry.
+	 *
+	 * It's appealing to make this be an index into the mm_validate_entry
+	 * list to refer to the buffer, but this allows the driver to create
+	 * a relocation list for state buffers and not re-write it per
+	 * exec using the buffer.
+	 */
+	uint32_t target_handle;
+
+	/**
+	 * Value to be added to the offset of the target buffer to make up
+	 * the relocation entry.
+	 */
+	uint32_t delta;
+
+	/** Offset in the buffer the relocation entry will be written into */
+	uint64_t offset;
+
+	/**
+	 * Offset value of the target buffer that the relocation entry was last
+	 * written as.
+	 *
+	 * If the buffer has the same offset as last time, we can skip syncing
+	 * and writing the relocation.  This value is written back out by
+	 * the execbuffer ioctl when the relocation is written.
+	 */
+	uint64_t presumed_offset;
+
+	/**
+	 * Target memory domains read by this operation.
+	 */
+	uint32_t read_domains;
+
+	/**
+	 * Target memory domains written by this operation.
+	 *
+	 * Note that only one domain may be written by the whole
+	 * execbuffer operation, so that where there are conflicts,
+	 * the application will get -EINVAL back.
+	 */
+	uint32_t write_domain;
+};
+
+/** @{
+ * Intel memory domains
+ *
+ * Most of these just align with the various caches in
+ * the system and are used to flush and invalidate as
+ * objects end up cached in different domains.
+ */
+/** CPU cache */
+#define I915_GEM_DOMAIN_CPU		0x00000001
+/** Render cache, used by 2D and 3D drawing */
+#define I915_GEM_DOMAIN_RENDER		0x00000002
+/** Sampler cache, used by texture engine */
+#define I915_GEM_DOMAIN_SAMPLER		0x00000004
+/** Command queue, used to load batch buffers */
+#define I915_GEM_DOMAIN_COMMAND		0x00000008
+/** Instruction cache, used by shader programs */
+#define I915_GEM_DOMAIN_INSTRUCTION	0x00000010
+/** Vertex address cache */
+#define I915_GEM_DOMAIN_VERTEX		0x00000020
+/** GTT domain - aperture and scanout */
+#define I915_GEM_DOMAIN_GTT		0x00000040
+/** @} */
+
+struct drm_i915_gem_exec_object {
+	/**
+	 * User's handle for a buffer to be bound into the GTT for this
+	 * operation.
+	 */
+	uint32_t handle;
+
+	/** Number of relocations to be performed on this buffer */
+	uint32_t relocation_count;
+	/**
+	 * Pointer to array of struct drm_i915_gem_relocation_entry containing
+	 * the relocations to be performed in this buffer.
+	 */
+	uint64_t relocs_ptr;
+
+	/** Required alignment in graphics aperture */
+	uint64_t alignment;
+
+	/**
+	 * Returned value of the updated offset of the object, for future
+	 * presumed_offset writes.
+	 */
+	uint64_t offset;
+};
+
+struct drm_i915_gem_execbuffer {
+	/**
+	 * List of buffers to be validated with their relocations to be
+	 * performend on them.
+	 *
+	 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
+	 *
+	 * These buffers must be listed in an order such that all relocations
+	 * a buffer is performing refer to buffers that have already appeared
+	 * in the validate list.
+	 */
+	uint64_t buffers_ptr;
+	uint32_t buffer_count;
+
+	/** Offset in the batchbuffer to start execution from. */
+	uint32_t batch_start_offset;
+	/** Bytes used in batchbuffer from batch_start_offset */
+	uint32_t batch_len;
+	uint32_t DR1;
+	uint32_t DR4;
+	uint32_t num_cliprects;
+	/** This is a struct drm_clip_rect *cliprects */
+	uint64_t cliprects_ptr;
+};
+
+struct drm_i915_gem_pin {
+	/** Handle of the buffer to be pinned. */
+	uint32_t handle;
+	uint32_t pad;
+
+	/** alignment required within the aperture */
+	uint64_t alignment;
+
+	/** Returned GTT offset of the buffer. */
+	uint64_t offset;
+};
+
+struct drm_i915_gem_unpin {
+	/** Handle of the buffer to be unpinned. */
+	uint32_t handle;
+	uint32_t pad;
+};
+
+struct drm_i915_gem_busy {
+	/** Handle of the buffer to check for busy */
+	uint32_t handle;
+
+	/** Return busy status (1 if busy, 0 if idle) */
+	uint32_t busy;
+};
+
+#define I915_TILING_NONE	0
+#define I915_TILING_X		1
+#define I915_TILING_Y		2
+
+#define I915_BIT_6_SWIZZLE_NONE		0
+#define I915_BIT_6_SWIZZLE_9		1
+#define I915_BIT_6_SWIZZLE_9_10		2
+#define I915_BIT_6_SWIZZLE_9_11		3
+#define I915_BIT_6_SWIZZLE_9_10_11	4
+/* Not seen by userland */
+#define I915_BIT_6_SWIZZLE_UNKNOWN	5
+
+struct drm_i915_gem_set_tiling {
+	/** Handle of the buffer to have its tiling state updated */
+	uint32_t handle;
+
+	/**
+	 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
+	 * I915_TILING_Y).
+	 *
+	 * This value is to be set on request, and will be updated by the
+	 * kernel on successful return with the actual chosen tiling layout.
+	 *
+	 * The tiling mode may be demoted to I915_TILING_NONE when the system
+	 * has bit 6 swizzling that can't be managed correctly by GEM.
+	 *
+	 * Buffer contents become undefined when changing tiling_mode.
+	 */
+	uint32_t tiling_mode;
+
+	/**
+	 * Stride in bytes for the object when in I915_TILING_X or
+	 * I915_TILING_Y.
+	 */
+	uint32_t stride;
+
+	/**
+	 * Returned address bit 6 swizzling required for CPU access through
+	 * mmap mapping.
+	 */
+	uint32_t swizzle_mode;
+};
+
+struct drm_i915_gem_get_tiling {
+	/** Handle of the buffer to get tiling state for. */
+	uint32_t handle;
+
+	/**
+	 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
+	 * I915_TILING_Y).
+	 */
+	uint32_t tiling_mode;
+
+	/**
+	 * Returned address bit 6 swizzling required for CPU access through
+	 * mmap mapping.
+	 */
+	uint32_t swizzle_mode;
+};
+
 #endif				/* _I915_DRM_H_ */
-- 
GitLab


From ed4c9c4acf948b42b138747fcb8843ecb1a24ce4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Wed, 20 Aug 2008 11:08:52 -0400
Subject: [PATCH 1130/2224] i915: Add chip set ID param.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 3 +++
 include/drm/i915_drm.h          | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index f167ff68a4b..ea85d71cab0 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -689,6 +689,9 @@ static int i915_getparam(struct drm_device *dev, void *data,
 	case I915_PARAM_LAST_DISPATCH:
 		value = READ_BREADCRUMB(dev_priv);
 		break;
+	case I915_PARAM_CHIPSET_ID:
+		value = dev->pci_device;
+		break;
 	case I915_PARAM_HAS_GEM:
 		value = 1;
 		break;
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 59d08fca25a..eb4b35031a5 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -230,6 +230,7 @@ typedef struct drm_i915_irq_wait {
 #define I915_PARAM_IRQ_ACTIVE            1
 #define I915_PARAM_ALLOW_BATCHBUFFER     2
 #define I915_PARAM_LAST_DISPATCH         3
+#define I915_PARAM_CHIPSET_ID            4
 #define I915_PARAM_HAS_GEM               5
 
 typedef struct drm_i915_getparam {
-- 
GitLab


From 546b0974c39657017407c86fe79811100b60700d Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 1 Sep 2008 16:45:29 -0700
Subject: [PATCH 1131/2224] i915: Use struct_mutex to protect ring in GEM mode.

In the conversion for GEM, we had stopped using the hardware lock to protect
ring usage, since it was all internal to the DRM now.  However, some paths
weren't converted to using struct_mutex to prevent multiple threads from
concurrently working on the ring, in particular between the vblank swap handler
and ioctls.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 28 ++++++++++++++++++++++------
 drivers/gpu/drm/i915/i915_drv.h | 15 +++++++++++++++
 drivers/gpu/drm/i915/i915_gem.c |  2 ++
 drivers/gpu/drm/i915/i915_irq.c | 28 ++++++++++++++++++++++++----
 4 files changed, 63 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index ea85d71cab0..d71c89f8802 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -588,9 +588,15 @@ static int i915_quiescent(struct drm_device * dev)
 static int i915_flush_ioctl(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv)
 {
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
+	int ret;
+
+	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
-	return i915_quiescent(dev);
+	mutex_lock(&dev->struct_mutex);
+	ret = i915_quiescent(dev);
+	mutex_unlock(&dev->struct_mutex);
+
+	return ret;
 }
 
 static int i915_batchbuffer(struct drm_device *dev, void *data,
@@ -611,14 +617,16 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
 	DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n",
 		  batch->start, batch->used, batch->num_cliprects);
 
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
+	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
 	if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects,
 						       batch->num_cliprects *
 						       sizeof(struct drm_clip_rect)))
 		return -EFAULT;
 
+	mutex_lock(&dev->struct_mutex);
 	ret = i915_dispatch_batchbuffer(dev, batch);
+	mutex_unlock(&dev->struct_mutex);
 
 	sarea_priv->last_dispatch = (int)hw_status[5];
 	return ret;
@@ -637,7 +645,7 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 	DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
 		  cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
 
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
+	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
 	if (cmdbuf->num_cliprects &&
 	    DRM_VERIFYAREA_READ(cmdbuf->cliprects,
@@ -647,7 +655,9 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 		return -EFAULT;
 	}
 
+	mutex_lock(&dev->struct_mutex);
 	ret = i915_dispatch_cmdbuffer(dev, cmdbuf);
+	mutex_unlock(&dev->struct_mutex);
 	if (ret) {
 		DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
 		return ret;
@@ -660,11 +670,17 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 static int i915_flip_bufs(struct drm_device *dev, void *data,
 			  struct drm_file *file_priv)
 {
+	int ret;
+
 	DRM_DEBUG("%s\n", __func__);
 
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
+	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
-	return i915_dispatch_flip(dev);
+	mutex_lock(&dev->struct_mutex);
+	ret = i915_dispatch_flip(dev);
+	mutex_unlock(&dev->struct_mutex);
+
+	return ret;
 }
 
 static int i915_getparam(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 87b071ab864..8547f0aeafc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -285,6 +285,9 @@ typedef struct drm_i915_private {
 		 */
 		struct delayed_work retire_work;
 
+		/** Work task for vblank-related ring access */
+		struct work_struct vblank_work;
+
 		uint32_t next_gem_seqno;
 
 		/**
@@ -435,6 +438,7 @@ extern int i915_irq_wait(struct drm_device *dev, void *data,
 void i915_user_irq_get(struct drm_device *dev);
 void i915_user_irq_put(struct drm_device *dev);
 
+extern void i915_gem_vblank_work_handler(struct work_struct *work);
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(struct drm_device * dev);
 extern int i915_driver_irq_postinstall(struct drm_device *dev);
@@ -538,6 +542,17 @@ extern void intel_opregion_free(struct drm_device *dev);
 extern void opregion_asle_intr(struct drm_device *dev);
 extern void opregion_enable_asle(struct drm_device *dev);
 
+/**
+ * Lock test for when it's just for synchronization of ring access.
+ *
+ * In that case, we don't need to do it when GEM is initialized as nobody else
+ * has access to the ring.
+ */
+#define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do {			\
+	if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
+		LOCK_TEST_WITH_RETURN(dev, file_priv);			\
+} while (0)
+
 #define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
 #define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
 #define I915_READ16(reg)	DRM_READ16(dev_priv->mmio_map, (reg))
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 90ae8a0369f..bb6e5a37efa 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2491,6 +2491,8 @@ i915_gem_load(struct drm_device *dev)
 	INIT_LIST_HEAD(&dev_priv->mm.request_list);
 	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
 			  i915_gem_retire_work_handler);
+	INIT_WORK(&dev_priv->mm.vblank_work,
+		  i915_gem_vblank_work_handler);
 	dev_priv->mm.next_gem_seqno = 1;
 
 	i915_gem_detect_bit_6_swizzle(dev);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index f295bdf16e2..d04c526410a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -349,6 +349,21 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
 	return count;
 }
 
+void
+i915_gem_vblank_work_handler(struct work_struct *work)
+{
+	drm_i915_private_t *dev_priv;
+	struct drm_device *dev;
+
+	dev_priv = container_of(work, drm_i915_private_t,
+				mm.vblank_work);
+	dev = dev_priv->dev;
+
+	mutex_lock(&dev->struct_mutex);
+	i915_vblank_tasklet(dev);
+	mutex_unlock(&dev->struct_mutex);
+}
+
 irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
@@ -422,8 +437,12 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 	if (iir & I915_ASLE_INTERRUPT)
 		opregion_asle_intr(dev);
 
-	if (vblank && dev_priv->swaps_pending > 0)
-		drm_locked_tasklet(dev, i915_vblank_tasklet);
+	if (vblank && dev_priv->swaps_pending > 0) {
+		if (dev_priv->ring.ring_obj == NULL)
+			drm_locked_tasklet(dev, i915_vblank_tasklet);
+		else
+			schedule_work(&dev_priv->mm.vblank_work);
+	}
 
 	return IRQ_HANDLED;
 }
@@ -514,14 +533,15 @@ int i915_irq_emit(struct drm_device *dev, void *data,
 	drm_i915_irq_emit_t *emit = data;
 	int result;
 
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
+	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
 	if (!dev_priv) {
 		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
 	}
-
+	mutex_lock(&dev->struct_mutex);
 	result = i915_emit_irq(dev);
+	mutex_unlock(&dev->struct_mutex);
 
 	if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) {
 		DRM_ERROR("copy_to_user\n");
-- 
GitLab


From c99b058f132388a666544d293392d52d1def6b12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Wed, 20 Aug 2008 11:20:13 -0400
Subject: [PATCH 1132/2224] i915: Make use of sarea_priv conditional.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

We fail ioctls that depend on the sarea_priv with EINVAL.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 21 ++++++++++++++-------
 drivers/gpu/drm/i915/i915_irq.c | 25 +++++++++++++++++--------
 2 files changed, 31 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index d71c89f8802..048da791ca6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -55,7 +55,8 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
 		if (ring->space >= n)
 			return 0;
 
-		dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+		if (dev_priv->sarea_priv)
+			dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
 
 		if (ring->head != last_head)
 			i = 0;
@@ -128,7 +129,7 @@ void i915_kernel_lost_context(struct drm_device * dev)
 	if (ring->space < 0)
 		ring->space += ring->Size;
 
-	if (ring->head == ring->tail)
+	if (ring->head == ring->tail && dev_priv->sarea_priv)
 		dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY;
 }
 
@@ -433,10 +434,11 @@ static void i915_emit_breadcrumb(struct drm_device *dev)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	RING_LOCALS;
 
-	dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
-
+	dev_priv->counter++;
 	if (dev_priv->counter > 0x7FFFFFFFUL)
-		dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
+		dev_priv->counter = 0;
+	if (dev_priv->sarea_priv)
+		dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
 
 	BEGIN_LP_RING(4);
 	OUT_RING(MI_STORE_DWORD_INDEX);
@@ -534,6 +536,9 @@ static int i915_dispatch_flip(struct drm_device * dev)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	RING_LOCALS;
 
+	if (!dev_priv->sarea_priv)
+		return -EINVAL;
+
 	DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
 		  __func__,
 		  dev_priv->current_page,
@@ -628,7 +633,8 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
 	ret = i915_dispatch_batchbuffer(dev, batch);
 	mutex_unlock(&dev->struct_mutex);
 
-	sarea_priv->last_dispatch = (int)hw_status[5];
+	if (sarea_priv)
+		sarea_priv->last_dispatch = (int)hw_status[5];
 	return ret;
 }
 
@@ -663,7 +669,8 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 		return ret;
 	}
 
-	sarea_priv->last_dispatch = (int)hw_status[5];
+	if (sarea_priv)
+		sarea_priv->last_dispatch = (int)hw_status[5];
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index d04c526410a..ef03a59c1df 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -427,7 +427,9 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		I915_WRITE(IMR, dev_priv->irq_mask_reg);
 	(void) I915_READ(IIR); /* Flush posted writes */
 
-	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+	if (dev_priv->sarea_priv)
+		dev_priv->sarea_priv->last_dispatch =
+			READ_BREADCRUMB(dev_priv);
 
 	if (iir & I915_USER_INTERRUPT) {
 		dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
@@ -456,10 +458,11 @@ static int i915_emit_irq(struct drm_device * dev)
 
 	DRM_DEBUG("\n");
 
-	dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
-
+	dev_priv->counter++;
 	if (dev_priv->counter > 0x7FFFFFFFUL)
-		dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
+		dev_priv->counter = 1;
+	if (dev_priv->sarea_priv)
+		dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
 
 	BEGIN_LP_RING(6);
 	OUT_RING(MI_STORE_DWORD_INDEX);
@@ -503,11 +506,15 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
 		  READ_BREADCRUMB(dev_priv));
 
 	if (READ_BREADCRUMB(dev_priv) >= irq_nr) {
-		dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+		if (dev_priv->sarea_priv) {
+			dev_priv->sarea_priv->last_dispatch =
+				READ_BREADCRUMB(dev_priv);
+		}
 		return 0;
 	}
 
-	dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+	if (dev_priv->sarea_priv)
+		dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
 
 	i915_user_irq_get(dev);
 	DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
@@ -519,7 +526,9 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr)
 			  READ_BREADCRUMB(dev_priv), (int)dev_priv->counter);
 	}
 
-	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+	if (dev_priv->sarea_priv)
+		dev_priv->sarea_priv->last_dispatch =
+			READ_BREADCRUMB(dev_priv);
 
 	return ret;
 }
@@ -682,7 +691,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 	struct list_head *list;
 	int ret;
 
-	if (!dev_priv) {
+	if (!dev_priv || !dev_priv->sarea_priv) {
 		DRM_ERROR("%s called with no initialization\n", __func__);
 		return -EINVAL;
 	}
-- 
GitLab


From dbb19d302baa8ba518599701914f600935fc53fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Wed, 20 Aug 2008 11:04:27 -0400
Subject: [PATCH 1133/2224] i915 gem: install and uninstall irq handler in
 entervt and leavevt ioctls.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 5 +++++
 include/drm/drmP.h              | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index bb6e5a37efa..5fe50343de1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2443,6 +2443,9 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
 	BUG_ON(!list_empty(&dev_priv->mm.request_list));
 	dev_priv->mm.suspended = 0;
 	mutex_unlock(&dev->struct_mutex);
+
+	drm_irq_install(dev);
+
 	return 0;
 }
 
@@ -2458,6 +2461,8 @@ i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
 		i915_gem_cleanup_ringbuffer(dev);
 	mutex_unlock(&dev->struct_mutex);
 
+	drm_irq_uninstall(dev);
+
 	return 0;
 }
 
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 1469a1bd882..51ee72c962b 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1134,6 +1134,7 @@ extern void drm_core_reclaim_buffers(struct drm_device *dev,
 extern int drm_control(struct drm_device *dev, void *data,
 		       struct drm_file *file_priv);
 extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
+extern int drm_irq_install(struct drm_device *dev);
 extern int drm_irq_uninstall(struct drm_device *dev);
 extern void drm_driver_irq_preinstall(struct drm_device *dev);
 extern void drm_driver_irq_postinstall(struct drm_device *dev);
-- 
GitLab


From d4e7b898c12b2b458323243abdd4a215f8f8f090 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 9 Sep 2008 11:40:34 -0700
Subject: [PATCH 1134/2224] DRM: Return -EBADF on bad object in flink, and
 return curent name if it exists.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_gem.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 434155b387e..ccd1afdede0 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -251,7 +251,7 @@ drm_gem_flink_ioctl(struct drm_device *dev, void *data,
 
 	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
 	if (obj == NULL)
-		return -EINVAL;
+		return -EBADF;
 
 again:
 	if (idr_pre_get(&dev->object_name_idr, GFP_KERNEL) == 0)
@@ -259,8 +259,9 @@ again:
 
 	spin_lock(&dev->object_name_lock);
 	if (obj->name) {
+		args->name = obj->name;
 		spin_unlock(&dev->object_name_lock);
-		return -EEXIST;
+		return 0;
 	}
 	ret = idr_get_new_above(&dev->object_name_idr, obj, 1,
 				 &obj->name);
-- 
GitLab


From 4f481ed22ec0d412336a13dc4477f6d0f3688882 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 10 Sep 2008 14:22:49 -0700
Subject: [PATCH 1135/2224] drm: Avoid oops in GEM execbuffers with bad
 arguments.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 5fe50343de1..29d9d21e941 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1763,6 +1763,10 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 		  (int) args->buffers_ptr, args->buffer_count, args->batch_len);
 #endif
 
+	if (args->buffer_count < 1) {
+		DRM_ERROR("execbuf with %d buffers\n", args->buffer_count);
+		return -EINVAL;
+	}
 	/* Copy in the exec list from userland */
 	exec_list = drm_calloc(sizeof(*exec_list), args->buffer_count,
 			       DRM_MEM_DRIVER);
-- 
GitLab


From 28af0a2767412937e8424364a8ece9b230bdbc83 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 15 Sep 2008 13:13:34 -0700
Subject: [PATCH 1136/2224] drm: G33-class hardware has a newer 965-style MCH
 (no DCC register).

Fixes bad software fallback rendering in Mesa in dual-channel configurations.

d9a2470012588dc5313a5ac8bb2f03575af00e99

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem_tiling.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 0c1b3a0834e..6b3f1e4a34a 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -96,7 +96,7 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 		 */
 		swizzle_x = I915_BIT_6_SWIZZLE_NONE;
 		swizzle_y = I915_BIT_6_SWIZZLE_NONE;
-	} else if (!IS_I965G(dev) || IS_I965GM(dev)) {
+	} else if ((!IS_I965G(dev) && !IS_G33(dev)) || IS_I965GM(dev)) {
 		uint32_t dcc;
 
 		/* On 915-945 and GM965, channel interleave by the CPU is
-- 
GitLab


From bd88ee4c1b1c8fc8b78a0ba7b6235d230cea0d05 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 23 Sep 2008 14:50:57 -0700
Subject: [PATCH 1137/2224] drm: Use ioremap_wc in i915_driver instead of
 ioremap, since we always want WC.

Fixes failure to map the ringbuffer when PAT tells us we don't get to do
uncached on something that's already mapped WC, or something along those lines.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 29d9d21e941..6ecfd108eff 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -233,7 +233,7 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 		if (unwritten)
 #endif /* CONFIG_HIGHMEM */
 		{
-			vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
+			vaddr = ioremap_wc(pfn << PAGE_SHIFT, PAGE_SIZE);
 #if WATCH_PWRITE
 			DRM_INFO("pwrite slow i %d o %d l %d "
 				 "pfn %ld vaddr %p\n",
@@ -1612,9 +1612,10 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
 			if (reloc_page != NULL)
 				iounmap(reloc_page);
 
-			reloc_page = ioremap(dev->agp->base +
-					     (reloc_offset & ~(PAGE_SIZE - 1)),
-					     PAGE_SIZE);
+			reloc_page = ioremap_wc(dev->agp->base +
+						(reloc_offset &
+						 ~(PAGE_SIZE - 1)),
+						PAGE_SIZE);
 			last_reloc_offset = reloc_offset;
 			if (reloc_page == NULL) {
 				drm_gem_object_unreference(target_obj);
@@ -2318,7 +2319,9 @@ i915_gem_init_hws(struct drm_device *dev)
 	dev_priv->hws_map.flags = 0;
 	dev_priv->hws_map.mtrr = 0;
 
-	drm_core_ioremap(&dev_priv->hws_map, dev);
+	/* Ioremapping here is the wrong thing to do.  We want cached access.
+	 */
+	drm_core_ioremap_wc(&dev_priv->hws_map, dev);
 	if (dev_priv->hws_map.handle == NULL) {
 		DRM_ERROR("Failed to map status page.\n");
 		memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
@@ -2369,7 +2372,7 @@ i915_gem_init_ringbuffer(struct drm_device *dev)
 	dev_priv->ring.map.flags = 0;
 	dev_priv->ring.map.mtrr = 0;
 
-	drm_core_ioremap(&dev_priv->ring.map, dev);
+	drm_core_ioremap_wc(&dev_priv->ring.map, dev);
 	if (dev_priv->ring.map.handle == NULL) {
 		DRM_ERROR("Failed to map ringbuffer.\n");
 		memset(&dev_priv->ring, 0, sizeof(dev_priv->ring));
-- 
GitLab


From 3043c60c485ad694392d3f71bd7ef9f5c5f7cfdd Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 2 Oct 2008 12:24:47 -0700
Subject: [PATCH 1138/2224] drm: Clean up many sparse warnings in i915.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 16 +++++++---------
 drivers/gpu/drm/i915/i915_drv.h | 14 +++++++-------
 drivers/gpu/drm/i915/i915_gem.c | 31 ++++++++++++++++++-------------
 3 files changed, 32 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 048da791ca6..13a6116b59f 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -76,7 +76,7 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
  * Sets up the hardware status page for devices that need a physical address
  * in the register.
  */
-int i915_init_phys_hws(struct drm_device *dev)
+static int i915_init_phys_hws(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	/* Program Hardware Status Page */
@@ -101,7 +101,7 @@ int i915_init_phys_hws(struct drm_device *dev)
  * Frees the hardware status page, whether it's a physical address or a virtual
  * address set up by the X Server.
  */
-void i915_free_hws(struct drm_device *dev)
+static void i915_free_hws(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	if (dev_priv->status_page_dmah) {
@@ -145,8 +145,8 @@ static int i915_dma_cleanup(struct drm_device * dev)
 
 	if (dev_priv->ring.virtual_start) {
 		drm_core_ioremapfree(&dev_priv->ring.map, dev);
-		dev_priv->ring.virtual_start = 0;
-		dev_priv->ring.map.handle = 0;
+		dev_priv->ring.virtual_start = NULL;
+		dev_priv->ring.map.handle = NULL;
 		dev_priv->ring.map.size = 0;
 	}
 
@@ -827,9 +827,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	base = drm_get_resource_start(dev, mmio_bar);
 	size = drm_get_resource_len(dev, mmio_bar);
 
-	ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
-			 _DRM_KERNEL | _DRM_DRIVER,
-			 &dev_priv->mmio_map);
+	dev_priv->regs = ioremap(base, size);
 
 	i915_gem_load(dev);
 
@@ -867,8 +865,8 @@ int i915_driver_unload(struct drm_device *dev)
 
 	i915_free_hws(dev);
 
-	if (dev_priv->mmio_map)
-		drm_rmmap(dev, dev_priv->mmio_map);
+	if (dev_priv->regs != NULL)
+		iounmap(dev_priv->regs);
 
 	intel_opregion_free(dev);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8547f0aeafc..74011235f2c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -110,8 +110,8 @@ struct intel_opregion {
 typedef struct drm_i915_private {
 	struct drm_device *dev;
 
+	void __iomem *regs;
 	drm_local_map_t *sarea;
-	drm_local_map_t *mmio_map;
 
 	drm_i915_sarea_t *sarea_priv;
 	drm_i915_ring_buffer_t ring;
@@ -553,12 +553,12 @@ extern void opregion_enable_asle(struct drm_device *dev);
 		LOCK_TEST_WITH_RETURN(dev, file_priv);			\
 } while (0)
 
-#define I915_READ(reg)          DRM_READ32(dev_priv->mmio_map, (reg))
-#define I915_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
-#define I915_READ16(reg)	DRM_READ16(dev_priv->mmio_map, (reg))
-#define I915_WRITE16(reg,val)	DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
-#define I915_READ8(reg)		DRM_READ8(dev_priv->mmio_map, (reg))
-#define I915_WRITE8(reg,val)	DRM_WRITE8(dev_priv->mmio_map, (reg), (val))
+#define I915_READ(reg)          readl(dev_priv->regs + (reg))
+#define I915_WRITE(reg, val)     writel(val, dev_priv->regs + (reg))
+#define I915_READ16(reg)	readw(dev_priv->regs + (reg))
+#define I915_WRITE16(reg, val)	writel(val, dev_priv->regs + (reg))
+#define I915_READ8(reg)		readb(dev_priv->regs + (reg))
+#define I915_WRITE8(reg, val)	writeb(val, dev_priv->regs + (reg))
 
 #define I915_VERBOSE 0
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6ecfd108eff..6a89449f31d 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -176,7 +176,8 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 	ssize_t remain;
 	loff_t offset;
 	char __user *user_data;
-	char *vaddr;
+	char __iomem *vaddr;
+	char *vaddr_atomic;
 	int i, o, l;
 	int ret = 0;
 	unsigned long pfn;
@@ -219,16 +220,20 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 		pfn = (dev->agp->base >> PAGE_SHIFT) + i;
 
 #ifdef CONFIG_HIGHMEM
-		/* kmap_atomic can't map IO pages on non-HIGHMEM kernels
+		/* This is a workaround for the low performance of iounmap
+		 * (approximate 10% cpu cost on normal 3D workloads).
+		 * kmap_atomic on HIGHMEM kernels happens to let us map card
+		 * memory without taking IPIs.  When the vmap rework lands
+		 * we should be able to dump this hack.
 		 */
-		vaddr = kmap_atomic_pfn(pfn, KM_USER0);
+		vaddr_atomic = kmap_atomic_pfn(pfn, KM_USER0);
 #if WATCH_PWRITE
 		DRM_INFO("pwrite i %d o %d l %d pfn %ld vaddr %p\n",
-			 i, o, l, pfn, vaddr);
+			 i, o, l, pfn, vaddr_atomic);
 #endif
-		unwritten = __copy_from_user_inatomic_nocache(vaddr + o,
+		unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + o,
 							      user_data, l);
-		kunmap_atomic(vaddr, KM_USER0);
+		kunmap_atomic(vaddr_atomic, KM_USER0);
 
 		if (unwritten)
 #endif /* CONFIG_HIGHMEM */
@@ -271,7 +276,7 @@ fail:
 	return ret;
 }
 
-int
+static int
 i915_gem_shmem_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 		      struct drm_i915_gem_pwrite *args,
 		      struct drm_file *file_priv)
@@ -587,7 +592,7 @@ i915_add_request(struct drm_device *dev, uint32_t flush_domains)
  * Ensures that all commands in the ring are finished
  * before signalling the CPU
  */
-uint32_t
+static uint32_t
 i915_retire_commands(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
@@ -734,7 +739,7 @@ i915_gem_retire_work_handler(struct work_struct *work)
  * Waits for a sequence number to be signaled, and cleans up the
  * request and object lists appropriately for that event.
  */
-int
+static int
 i915_wait_request(struct drm_device *dev, uint32_t seqno)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
@@ -1483,7 +1488,7 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
 	struct drm_i915_gem_object *obj_priv = obj->driver_private;
 	int i, ret;
 	uint32_t last_reloc_offset = -1;
-	void *reloc_page = NULL;
+	void __iomem *reloc_page = NULL;
 
 	/* Choose the GTT offset for our buffer and put it there. */
 	ret = i915_gem_object_pin(obj, (uint32_t) entry->alignment);
@@ -1500,8 +1505,8 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
 	for (i = 0; i < entry->relocation_count; i++) {
 		struct drm_gem_object *target_obj;
 		struct drm_i915_gem_object *target_obj_priv;
-		uint32_t reloc_val, reloc_offset, *reloc_entry;
-		int ret;
+		uint32_t reloc_val, reloc_offset;
+		uint32_t __iomem *reloc_entry;
 
 		ret = copy_from_user(&reloc, relocs + i, sizeof(reloc));
 		if (ret != 0) {
@@ -1624,7 +1629,7 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
 			}
 		}
 
-		reloc_entry = (uint32_t *)((char *)reloc_page +
+		reloc_entry = (uint32_t __iomem *)(reloc_page +
 					   (reloc_offset & (PAGE_SIZE - 1)));
 		reloc_val = target_obj_priv->gtt_offset + reloc.delta;
 
-- 
GitLab


From 2bdf00b22154023ac312481583603f4724eb1401 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 7 Oct 2008 13:40:10 +1000
Subject: [PATCH 1139/2224] i915: fixup permissions on gem ioctls.

init/entervt/leavevt should be root-only master ioctls.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 13a6116b59f..9b967bf3aa6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -941,14 +941,14 @@ struct drm_ioctl_desc i915_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE,  i915_vblank_pipe_get, DRM_AUTH ),
 	DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+	DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_I915_GEM_CREATE, i915_gem_create_ioctl, 0),
 	DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, 0),
 	DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, 0),
-- 
GitLab


From e7d22bc3cb57126196c4f475d4e55aa44e151784 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 7 Oct 2008 13:40:36 +1000
Subject: [PATCH 1140/2224] i915: add missing return in error path.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6a89449f31d..a31ee3202f1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -146,6 +146,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
 	if (ret != 0) {
 		drm_gem_object_unreference(obj);
 		mutex_unlock(&dev->struct_mutex);
+		return ret;
 	}
 
 	offset = args->offset;
-- 
GitLab


From e0f0754ff6128570dcf38032f5bfb1f195e5bbee Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 7 Oct 2008 13:41:49 +1000
Subject: [PATCH 1141/2224] drm: wbinvd is cache coherent.

doing an ipi for the wbinvd case isn't necessary.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_cache.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index 9475f7d9901..0e994a0e46d 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -47,12 +47,6 @@ drm_clflush_page(struct page *page)
 }
 #endif
 
-static void
-drm_clflush_ipi_handler(void *null)
-{
-	wbinvd();
-}
-
 void
 drm_clflush_pages(struct page *pages[], unsigned long num_pages)
 {
@@ -68,9 +62,8 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
 
 		return;
 	}
-#endif
 
-	if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0)
-		DRM_ERROR("Timed out waiting for cache flush.\n");
+	wbinvd();
+#endif
 }
 EXPORT_SYMBOL(drm_clflush_pages);
-- 
GitLab


From 9bfbd5cb72c9edb8504a4a7a0aa89cdb2fcb4845 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon, 15 Sep 2008 15:00:33 -0700
Subject: [PATCH 1142/2224] drm: kill drm_device->irq

Like the last patch but adds a macro to get at the irq value instead of
dereferencing pdev directly.  Should  make things easier for the BSD guys and
if we ever support non-PCI devices.

Signed-off-by:  Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_irq.c             | 7 ++-----
 drivers/gpu/drm/drm_stub.c            | 1 -
 drivers/gpu/drm/mga/mga_state.c       | 2 +-
 drivers/gpu/drm/r128/r128_state.c     | 2 +-
 drivers/gpu/drm/radeon/radeon_state.c | 2 +-
 drivers/gpu/drm/via/via_irq.c         | 3 ---
 drivers/gpu/drm/via/via_mm.c          | 3 +--
 include/drm/drmP.h                    | 6 +++++-
 8 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index d0c13d954f5..4091b9e291f 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -228,12 +228,9 @@ int drm_irq_install(struct drm_device *dev)
 	if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
 		sh_flags = IRQF_SHARED;
 
-	ret = request_irq(dev->pdev->irq, dev->driver->irq_handler,
+	ret = request_irq(drm_dev_to_irq(dev), dev->driver->irq_handler,
 			  sh_flags, dev->devname, dev);
-	/* Expose the device irq number to drivers that want to export it for
-	 * whatever reason.
-	 */
-	dev->irq = dev->pdev->irq;
+
 	if (ret < 0) {
 		mutex_lock(&dev->struct_mutex);
 		dev->irq_enabled = 0;
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 82f4657b887..141e33004a7 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -107,7 +107,6 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
 #ifdef __alpha__
 	dev->hose = pdev->sysdata;
 #endif
-	dev->irq = pdev->irq;
 
 	if (drm_ht_create(&dev->map_hash, 12)) {
 		return -ENOMEM;
diff --git a/drivers/gpu/drm/mga/mga_state.c b/drivers/gpu/drm/mga/mga_state.c
index d3f8aade07b..b710fab21cb 100644
--- a/drivers/gpu/drm/mga/mga_state.c
+++ b/drivers/gpu/drm/mga/mga_state.c
@@ -1022,7 +1022,7 @@ static int mga_getparam(struct drm_device *dev, void *data, struct drm_file *fil
 
 	switch (param->param) {
 	case MGA_PARAM_IRQ_NR:
-		value = dev->irq;
+		value = drm_dev_to_irq(dev);
 		break;
 	case MGA_PARAM_CARD_TYPE:
 		value = dev_priv->chipset;
diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c
index 51a9afce7b9..f7a5b574076 100644
--- a/drivers/gpu/drm/r128/r128_state.c
+++ b/drivers/gpu/drm/r128/r128_state.c
@@ -1629,7 +1629,7 @@ static int r128_getparam(struct drm_device *dev, void *data, struct drm_file *fi
 
 	switch (param->param) {
 	case R128_PARAM_IRQ_NR:
-		value = dev->irq;
+		value = drm_dev_to_irq(dev);
 		break;
 	default:
 		return -EINVAL;
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 11c146b4921..5d7153fcc7b 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -2997,7 +2997,7 @@ static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_fil
 		value = GET_SCRATCH(2);
 		break;
 	case RADEON_PARAM_IRQ_NR:
-		value = dev->irq;
+		value = drm_dev_to_irq(dev);
 		break;
 	case RADEON_PARAM_GART_BASE:
 		value = dev_priv->gart_vm_start;
diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
index 1b966fbdb49..665d319b927 100644
--- a/drivers/gpu/drm/via/via_irq.c
+++ b/drivers/gpu/drm/via/via_irq.c
@@ -354,9 +354,6 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
 	drm_via_irq_t *cur_irq = dev_priv->via_irqs;
 	int force_sequence;
 
-	if (!dev->irq)
-		return -EINVAL;
-
 	if (irqwait->request.irq >= dev_priv->num_irqs) {
 		DRM_ERROR("Trying to wait on unknown irq %d\n",
 			  irqwait->request.irq);
diff --git a/drivers/gpu/drm/via/via_mm.c b/drivers/gpu/drm/via/via_mm.c
index e64094916e4..f694cb5eded 100644
--- a/drivers/gpu/drm/via/via_mm.c
+++ b/drivers/gpu/drm/via/via_mm.c
@@ -93,8 +93,7 @@ int via_final_context(struct drm_device *dev, int context)
 	/* Last context, perform cleanup */
 	if (dev->ctx_count == 1 && dev->dev_private) {
 		DRM_DEBUG("Last Context\n");
-		if (dev->irq)
-			drm_irq_uninstall(dev);
+		drm_irq_uninstall(dev);
 		via_cleanup_futex(dev_priv);
 		via_do_cleanup_map(dev);
 	}
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 51ee72c962b..90a9e0247d5 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -824,7 +824,6 @@ struct drm_device {
 
 	/** \name Context support */
 	/*@{ */
-	int irq;			/**< Interrupt used by board */
 	int irq_enabled;		/**< True if irq handler is enabled */
 	__volatile__ long context_flag;	/**< Context swapping flag */
 	__volatile__ long interrupt_flag; /**< Interruption handler flag */
@@ -915,6 +914,11 @@ struct drm_device {
 
 };
 
+static inline int drm_dev_to_irq(struct drm_device *dev)
+{
+	return dev->pdev->irq;
+}
+
 static __inline__ int drm_core_check_feature(struct drm_device *dev,
 					     int feature)
 {
-- 
GitLab


From 630681d9a5314e6cf53d144f7f58b7c19862a7d3 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 6 Oct 2008 15:14:12 -0700
Subject: [PATCH 1143/2224] drm: Increment dev_priv->irq_received so
 i915_gem_interrupts count works.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ef03a59c1df..baae511c785 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -372,6 +372,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 	u32 pipea_stats, pipeb_stats;
 	int vblank = 0;
 
+	atomic_inc(&dev_priv->irq_received);
+
 	if (dev->pdev->msi_enabled)
 		I915_WRITE(IMR, ~0);
 	iir = I915_READ(IIR);
-- 
GitLab


From 0cdad7e88a23910a911a3339ff2d70f8f952d7b8 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 14 Oct 2008 17:19:38 -0700
Subject: [PATCH 1144/2224] i915: Use non-reserved status page index for
 breadcrumb

Dwords 0 through 0x1f are reserved for use by the hardware. Move the GEM
breadcrumb from 0x10 to 0x20 to keep out of this area.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_drv.h | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 74011235f2c..da7c0072ad4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -597,16 +597,18 @@ extern void opregion_enable_asle(struct drm_device *dev);
  * MI_STORE_DATA_IMM.
  *
  * The following dwords have a reserved meaning:
- * 0: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
- * 4: ring 0 head pointer
- * 5: ring 1 head pointer (915-class)
- * 6: ring 2 head pointer (915-class)
+ * 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
+ * 0x04: ring 0 head pointer
+ * 0x05: ring 1 head pointer (915-class)
+ * 0x06: ring 2 head pointer (915-class)
+ * 0x10-0x1b: Context status DWords (GM45)
+ * 0x1f: Last written status offset. (GM45)
  *
- * The area from dword 0x10 to 0x3ff is available for driver usage.
+ * The area from dword 0x20 to 0x3ff is available for driver usage.
  */
 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
 #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
-#define I915_GEM_HWS_INDEX		0x10
+#define I915_GEM_HWS_INDEX		0x20
 
 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 
-- 
GitLab


From 50aa253d820ad4577e2231202f2c8fd89f9dc4e6 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 14 Oct 2008 17:20:35 -0700
Subject: [PATCH 1145/2224] i915: Fix up ring initialization to cover G45
 oddities

G45 appears quite sensitive to ring initialization register writes,
sometimes leaving the HEAD register with the START register contents. Check
to make sure HEAD is reset correctly when START is written, and fix it up,
screaming loudly.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 37 +++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index a31ee3202f1..94b9bdce0c7 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2350,6 +2350,7 @@ i915_gem_init_ringbuffer(struct drm_device *dev)
 	struct drm_gem_object *obj;
 	struct drm_i915_gem_object *obj_priv;
 	int ret;
+	u32 head;
 
 	ret = i915_gem_init_hws(dev);
 	if (ret != 0)
@@ -2390,17 +2391,49 @@ i915_gem_init_ringbuffer(struct drm_device *dev)
 
 	/* Stop the ring if it's running. */
 	I915_WRITE(PRB0_CTL, 0);
-	I915_WRITE(PRB0_HEAD, 0);
 	I915_WRITE(PRB0_TAIL, 0);
-	I915_WRITE(PRB0_START, 0);
+	I915_WRITE(PRB0_HEAD, 0);
 
 	/* Initialize the ring. */
 	I915_WRITE(PRB0_START, obj_priv->gtt_offset);
+	head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+
+	/* G45 ring initialization fails to reset head to zero */
+	if (head != 0) {
+		DRM_ERROR("Ring head not reset to zero "
+			  "ctl %08x head %08x tail %08x start %08x\n",
+			  I915_READ(PRB0_CTL),
+			  I915_READ(PRB0_HEAD),
+			  I915_READ(PRB0_TAIL),
+			  I915_READ(PRB0_START));
+		I915_WRITE(PRB0_HEAD, 0);
+
+		DRM_ERROR("Ring head forced to zero "
+			  "ctl %08x head %08x tail %08x start %08x\n",
+			  I915_READ(PRB0_CTL),
+			  I915_READ(PRB0_HEAD),
+			  I915_READ(PRB0_TAIL),
+			  I915_READ(PRB0_START));
+	}
+
 	I915_WRITE(PRB0_CTL,
 		   ((obj->size - 4096) & RING_NR_PAGES) |
 		   RING_NO_REPORT |
 		   RING_VALID);
 
+	head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+
+	/* If the head is still not zero, the ring is dead */
+	if (head != 0) {
+		DRM_ERROR("Ring initialization failed "
+			  "ctl %08x head %08x tail %08x start %08x\n",
+			  I915_READ(PRB0_CTL),
+			  I915_READ(PRB0_HEAD),
+			  I915_READ(PRB0_TAIL),
+			  I915_READ(PRB0_START));
+		return -EIO;
+	}
+
 	/* Update our cache of the ring state */
 	i915_kernel_lost_context(dev);
 
-- 
GitLab


From ba1eb1d825fdef40f69871caf8e5842d00efbbc5 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 14 Oct 2008 19:55:10 -0700
Subject: [PATCH 1146/2224] i915: Map status page cached for chips with
 GTT-based HWS location.

This should improve performance by avoiding uncached reads by the CPU (the
point of having a status page), and may improve stability.  This patch only
affects G33, GM45 and G45 chips as those are the only ones using GTT-based
HWS mappings.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_agpsupport.c |  5 +++--
 drivers/gpu/drm/i915/i915_drv.h  |  3 +++
 drivers/gpu/drm/i915/i915_gem.c  | 28 +++++++++++++++-------------
 include/drm/drmP.h               |  3 ++-
 4 files changed, 23 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c
index 2639be2db9e..3d33b8252b5 100644
--- a/drivers/gpu/drm/drm_agpsupport.c
+++ b/drivers/gpu/drm/drm_agpsupport.c
@@ -464,7 +464,8 @@ DRM_AGP_MEM *
 drm_agp_bind_pages(struct drm_device *dev,
 		   struct page **pages,
 		   unsigned long num_pages,
-		   uint32_t gtt_offset)
+		   uint32_t gtt_offset,
+		   u32 type)
 {
 	DRM_AGP_MEM *mem;
 	int ret, i;
@@ -472,7 +473,7 @@ drm_agp_bind_pages(struct drm_device *dev,
 	DRM_DEBUG("\n");
 
 	mem = drm_agp_allocate_memory(dev->agp->bridge, num_pages,
-				      AGP_USER_MEMORY);
+				      type);
 	if (mem == NULL) {
 		DRM_ERROR("Failed to allocate memory for %ld pages\n",
 			  num_pages);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index da7c0072ad4..eae4ed3956e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -373,6 +373,9 @@ struct drm_i915_gem_object {
 	/** Current tiling mode for the object. */
 	uint32_t tiling_mode;
 
+	/** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
+	uint32_t agp_type;
+
 	/**
 	 * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
 	 * GEM_DOMAIN_CPU is not in the object's read domain.
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 94b9bdce0c7..99a86249bb1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1159,7 +1159,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
 	obj_priv->agp_mem = drm_agp_bind_pages(dev,
 					       obj_priv->page_list,
 					       page_count,
-					       obj_priv->gtt_offset);
+					       obj_priv->gtt_offset,
+					       obj_priv->agp_type);
 	if (obj_priv->agp_mem == NULL) {
 		i915_gem_object_free_page_list(obj);
 		drm_mm_put_block(obj_priv->gtt_space);
@@ -2142,6 +2143,8 @@ int i915_gem_init_object(struct drm_gem_object *obj)
 	obj->write_domain = I915_GEM_DOMAIN_CPU;
 	obj->read_domains = I915_GEM_DOMAIN_CPU;
 
+	obj_priv->agp_type = AGP_USER_MEMORY;
+
 	obj->driver_private = obj_priv;
 	obj_priv->obj = obj;
 	INIT_LIST_HEAD(&obj_priv->list);
@@ -2311,6 +2314,7 @@ i915_gem_init_hws(struct drm_device *dev)
 		return -ENOMEM;
 	}
 	obj_priv = obj->driver_private;
+	obj_priv->agp_type = AGP_USER_CACHED_MEMORY;
 
 	ret = i915_gem_object_pin(obj, 4096);
 	if (ret != 0) {
@@ -2319,25 +2323,18 @@ i915_gem_init_hws(struct drm_device *dev)
 	}
 
 	dev_priv->status_gfx_addr = obj_priv->gtt_offset;
-	dev_priv->hws_map.offset = dev->agp->base + obj_priv->gtt_offset;
-	dev_priv->hws_map.size = 4096;
-	dev_priv->hws_map.type = 0;
-	dev_priv->hws_map.flags = 0;
-	dev_priv->hws_map.mtrr = 0;
 
-	/* Ioremapping here is the wrong thing to do.  We want cached access.
-	 */
-	drm_core_ioremap_wc(&dev_priv->hws_map, dev);
-	if (dev_priv->hws_map.handle == NULL) {
+	dev_priv->hw_status_page = kmap(obj_priv->page_list[0]);
+	if (dev_priv->hw_status_page == NULL) {
 		DRM_ERROR("Failed to map status page.\n");
 		memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
 		drm_gem_object_unreference(obj);
 		return -EINVAL;
 	}
 	dev_priv->hws_obj = obj;
-	dev_priv->hw_status_page = dev_priv->hws_map.handle;
 	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
 	I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
+	I915_READ(HWS_PGA); /* posting read */
 	DRM_DEBUG("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
 
 	return 0;
@@ -2456,10 +2453,15 @@ i915_gem_cleanup_ringbuffer(struct drm_device *dev)
 	memset(&dev_priv->ring, 0, sizeof(dev_priv->ring));
 
 	if (dev_priv->hws_obj != NULL) {
-		i915_gem_object_unpin(dev_priv->hws_obj);
-		drm_gem_object_unreference(dev_priv->hws_obj);
+		struct drm_gem_object *obj = dev_priv->hws_obj;
+		struct drm_i915_gem_object *obj_priv = obj->driver_private;
+
+		kunmap(obj_priv->page_list[0]);
+		i915_gem_object_unpin(obj);
+		drm_gem_object_unreference(obj);
 		dev_priv->hws_obj = NULL;
 		memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
+		dev_priv->hw_status_page = NULL;
 
 		/* Write high address into HWS_PGA when disabling. */
 		I915_WRITE(HWS_PGA, 0x1ffff000);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 90a9e0247d5..59c796b46ee 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1016,7 +1016,8 @@ extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
 extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
 				       struct page **pages,
 				       unsigned long num_pages,
-				       uint32_t gtt_offset);
+				       uint32_t gtt_offset,
+				       uint32_t type);
 extern int drm_unbind_agp(DRM_AGP_MEM * handle);
 
 				/* Misc. IOCTL support (drm_ioctl.h) */
-- 
GitLab


From 6dbe2772d6af067845bab57be490c302f4490ac7 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 14 Oct 2008 21:41:13 -0700
Subject: [PATCH 1147/2224] i915: Don't run retire work handler while suspended

At leavevt and lastclose time, cancel any pending retire work handler
invocation, and keep the retire work handler from requeuing itself if it is
currently running.

This patch restructures i915_gem_idle to perform all of these tasks instead
of having both leavevt and lastclose call a sequence of functions.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem.c | 50 ++++++++++++++++++---------------
 1 file changed, 28 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 99a86249bb1..9ac73dd1b42 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -50,6 +50,9 @@ static int i915_gem_object_get_page_list(struct drm_gem_object *obj);
 static void i915_gem_object_free_page_list(struct drm_gem_object *obj);
 static int i915_gem_object_wait_rendering(struct drm_gem_object *obj);
 
+static void
+i915_gem_cleanup_ringbuffer(struct drm_device *dev);
+
 int
 i915_gem_init_ioctl(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv)
@@ -582,7 +585,7 @@ i915_add_request(struct drm_device *dev, uint32_t flush_domains)
 	was_empty = list_empty(&dev_priv->mm.request_list);
 	list_add_tail(&request->list, &dev_priv->mm.request_list);
 
-	if (was_empty)
+	if (was_empty && !dev_priv->mm.suspended)
 		schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
 	return seqno;
 }
@@ -731,7 +734,8 @@ i915_gem_retire_work_handler(struct work_struct *work)
 
 	mutex_lock(&dev->struct_mutex);
 	i915_gem_retire_requests(dev);
-	if (!list_empty(&dev_priv->mm.request_list))
+	if (!dev_priv->mm.suspended &&
+	    !list_empty(&dev_priv->mm.request_list))
 		schedule_delayed_work(&dev_priv->mm.retire_work, HZ);
 	mutex_unlock(&dev->struct_mutex);
 }
@@ -2227,14 +2231,24 @@ i915_gem_idle(struct drm_device *dev)
 	uint32_t seqno, cur_seqno, last_seqno;
 	int stuck, ret;
 
-	if (dev_priv->mm.suspended)
+	mutex_lock(&dev->struct_mutex);
+
+	if (dev_priv->mm.suspended || dev_priv->ring.ring_obj == NULL) {
+		mutex_unlock(&dev->struct_mutex);
 		return 0;
+	}
 
 	/* Hack!  Don't let anybody do execbuf while we don't control the chip.
 	 * We need to replace this with a semaphore, or something.
 	 */
 	dev_priv->mm.suspended = 1;
 
+	/* Cancel the retire work handler, wait for it to finish if running
+	 */
+	mutex_unlock(&dev->struct_mutex);
+	cancel_delayed_work_sync(&dev_priv->mm.retire_work);
+	mutex_lock(&dev->struct_mutex);
+
 	i915_kernel_lost_context(dev);
 
 	/* Flush the GPU along with all non-CPU write domains
@@ -2284,13 +2298,19 @@ i915_gem_idle(struct drm_device *dev)
 
 	/* Move all buffers out of the GTT. */
 	ret = i915_gem_evict_from_list(dev, &dev_priv->mm.inactive_list);
-	if (ret)
+	if (ret) {
+		mutex_unlock(&dev->struct_mutex);
 		return ret;
+	}
 
 	BUG_ON(!list_empty(&dev_priv->mm.active_list));
 	BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
 	BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
 	BUG_ON(!list_empty(&dev_priv->mm.request_list));
+
+	i915_gem_cleanup_ringbuffer(dev);
+	mutex_unlock(&dev->struct_mutex);
+
 	return 0;
 }
 
@@ -2503,34 +2523,20 @@ i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
 {
 	int ret;
 
-	mutex_lock(&dev->struct_mutex);
 	ret = i915_gem_idle(dev);
-	if (ret == 0)
-		i915_gem_cleanup_ringbuffer(dev);
-	mutex_unlock(&dev->struct_mutex);
-
 	drm_irq_uninstall(dev);
 
-	return 0;
+	return ret;
 }
 
 void
 i915_gem_lastclose(struct drm_device *dev)
 {
 	int ret;
-	drm_i915_private_t *dev_priv = dev->dev_private;
-
-	mutex_lock(&dev->struct_mutex);
-
-	if (dev_priv->ring.ring_obj != NULL) {
-		ret = i915_gem_idle(dev);
-		if (ret)
-			DRM_ERROR("failed to idle hardware: %d\n", ret);
-
-		i915_gem_cleanup_ringbuffer(dev);
-	}
 
-	mutex_unlock(&dev->struct_mutex);
+	ret = i915_gem_idle(dev);
+	if (ret)
+		DRM_ERROR("failed to idle hardware: %d\n", ret);
 }
 
 void
-- 
GitLab


From b612eda98e4b4bae4c98a863f039bc89425f9039 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 15 Oct 2008 00:05:58 -0700
Subject: [PATCH 1148/2224] i915: GM45 has GM965-style MCH setup.

Fixes tiling swizzling mode failures that manifest in glReadPixels().

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem_tiling.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 6b3f1e4a34a..e8b85ac4ca0 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -96,7 +96,8 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 		 */
 		swizzle_x = I915_BIT_6_SWIZZLE_NONE;
 		swizzle_y = I915_BIT_6_SWIZZLE_NONE;
-	} else if ((!IS_I965G(dev) && !IS_G33(dev)) || IS_I965GM(dev)) {
+	} else if ((!IS_I965G(dev) && !IS_G33(dev)) || IS_I965GM(dev) ||
+		   IS_GM45(dev)) {
 		uint32_t dcc;
 
 		/* On 915-945 and GM965, channel interleave by the CPU is
@@ -118,7 +119,7 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 			    dcc & DCC_CHANNEL_XOR_DISABLE) {
 				swizzle_x = I915_BIT_6_SWIZZLE_9_10;
 				swizzle_y = I915_BIT_6_SWIZZLE_9;
-			} else if (IS_I965GM(dev)) {
+			} else if (IS_I965GM(dev) || IS_GM45(dev)) {
 				/* GM965 only does bit 11-based channel
 				 * randomization
 				 */
-- 
GitLab


From f0738e92403466d45cfb5008da668260c77fff4b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Thu, 16 Oct 2008 17:12:02 +1000
Subject: [PATCH 1149/2224] drm/radeon: add support for RS740 IGP chipsets.

This adds support for the HS2100 IGP chipset.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_cp.c  | 24 ++++++++++++++++--------
 drivers/gpu/drm/radeon/radeon_drv.h |  4 +++-
 include/drm/drm_pciids.h            |  4 ++++
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index 6157cd4bb43..e6e0c2933ef 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -71,7 +71,8 @@ static u32 RS690_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
 
 static u32 IGP_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
 {
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 		return RS690_READ_MCIND(dev_priv, addr);
 	else
 		return RS480_READ_MCIND(dev_priv, addr);
@@ -82,7 +83,8 @@ u32 radeon_read_fb_location(drm_radeon_private_t *dev_priv)
 
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
 		return R500_READ_MCIND(dev_priv, RV515_MC_FB_LOCATION);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 		return RS690_READ_MCIND(dev_priv, RS690_MC_FB_LOCATION);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		return R500_READ_MCIND(dev_priv, R520_MC_FB_LOCATION);
@@ -94,7 +96,8 @@ static void radeon_write_fb_location(drm_radeon_private_t *dev_priv, u32 fb_loc)
 {
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
 		R500_WRITE_MCIND(RV515_MC_FB_LOCATION, fb_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 		RS690_WRITE_MCIND(RS690_MC_FB_LOCATION, fb_loc);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		R500_WRITE_MCIND(R520_MC_FB_LOCATION, fb_loc);
@@ -106,7 +109,8 @@ static void radeon_write_agp_location(drm_radeon_private_t *dev_priv, u32 agp_lo
 {
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515)
 		R500_WRITE_MCIND(RV515_MC_AGP_LOCATION, agp_loc);
-	else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+	else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 		RS690_WRITE_MCIND(RS690_MC_AGP_LOCATION, agp_loc);
 	else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515)
 		R500_WRITE_MCIND(R520_MC_AGP_LOCATION, agp_loc);
@@ -122,7 +126,8 @@ static void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base)
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) {
 		R500_WRITE_MCIND(RV515_MC_AGP_BASE, agp_base_lo);
 		R500_WRITE_MCIND(RV515_MC_AGP_BASE_2, agp_base_hi);
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) {
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		 ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
 		RS690_WRITE_MCIND(RS690_MC_AGP_BASE, agp_base_lo);
 		RS690_WRITE_MCIND(RS690_MC_AGP_BASE_2, agp_base_hi);
 	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) {
@@ -364,8 +369,9 @@ static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
 			RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
 				     R420_cp_microcode[i][0]);
 		}
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) {
-		DRM_INFO("Loading RS690 Microcode\n");
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
+		DRM_INFO("Loading RS690/RS740 Microcode\n");
 		for (i = 0; i < 256; i++) {
 			RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
 				     RS690_cp_microcode[i][1]);
@@ -720,7 +726,8 @@ static void radeon_set_igpgart(drm_radeon_private_t * dev_priv, int on)
 			  dev_priv->gart_size);
 
 		temp = IGP_READ_MCIND(dev_priv, RS480_MC_MISC_CNTL);
-		if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)
+		if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+		    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))
 			IGP_WRITE_MCIND(RS480_MC_MISC_CNTL, (RS480_GART_INDEX_REG_EN |
 							     RS690_BLOCK_GFX_D3_EN));
 		else
@@ -813,6 +820,7 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 	u32 tmp;
 
 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740) ||
 	    (dev_priv->flags & RADEON_IS_IGPGART)) {
 		radeon_set_igpgart(dev_priv, on);
 		return;
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index d7e9c6cc6a1..9d752bc0602 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -125,6 +125,7 @@ enum radeon_family {
 	CHIP_RV410,
 	CHIP_RS480,
 	CHIP_RS690,
+	CHIP_RS740,
 	CHIP_RV515,
 	CHIP_R520,
 	CHIP_RV530,
@@ -1207,7 +1208,8 @@ do {								\
 
 #define IGP_WRITE_MCIND(addr, val)				\
 do {									\
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690)       \
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||   \
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740))      \
 		RS690_WRITE_MCIND(addr, val);				\
 	else								\
 		RS480_WRITE_MCIND(addr, val);				\
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 135bd19499f..e3a7b93fdef 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -237,6 +237,10 @@
 	{0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x791e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
 	{0x1002, 0x791f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS690|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
+	{0x1002, 0x796c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
+	{0x1002, 0x796d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
+	{0x1002, 0x796e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
+	{0x1002, 0x796f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS740|RADEON_IS_IGP|RADEON_NEW_MEMMAP|RADEON_IS_IGPGART}, \
 	{0, 0, 0}
 
 #define r128_PCI_IDS \
-- 
GitLab


From b2ceddfa52cbeb244b90096f1e8d3e9f7e0ce299 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 17 Oct 2008 09:19:33 +1000
Subject: [PATCH 1150/2224] radeon: add RS400 family support.

This adds support for the RS400 family of IGPs for Intel CPUs.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_cp.c  | 6 ++++--
 drivers/gpu/drm/radeon/radeon_drv.h | 1 +
 include/drm/drm_pciids.h            | 6 ++++--
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index e6e0c2933ef..a83d7615ba7 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -133,9 +133,10 @@ static void radeon_write_agp_base(drm_radeon_private_t *dev_priv, u64 agp_base)
 	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) > CHIP_RV515) {
 		R500_WRITE_MCIND(R520_MC_AGP_BASE, agp_base_lo);
 		R500_WRITE_MCIND(R520_MC_AGP_BASE_2, agp_base_hi);
-	} else if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480) {
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
 		RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
-		RADEON_WRITE(RS480_AGP_BASE_2, 0);
+		RADEON_WRITE(RS480_AGP_BASE_2, agp_base_hi);
 	} else {
 		RADEON_WRITE(RADEON_AGP_BASE, agp_base_lo);
 		if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R200)
@@ -352,6 +353,7 @@ static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350) ||
 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV350) ||
 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV380) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
 		DRM_INFO("Loading R300 Microcode\n");
 		for (i = 0; i < 256; i++) {
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 9d752bc0602..9278429af9e 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -123,6 +123,7 @@ enum radeon_family {
 	CHIP_RV380,
 	CHIP_R420,
 	CHIP_RV410,
+	CHIP_RS400,
 	CHIP_RS480,
 	CHIP_RS690,
 	CHIP_RS740,
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index e3a7b93fdef..401cc8b7e88 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -113,8 +113,10 @@
 	{0x1002, 0x5964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \
 	{0x1002, 0x5965, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \
 	{0x1002, 0x5969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \
-	{0x1002, 0x5a61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS480|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_IS_IGPGART}, \
-	{0x1002, 0x5a62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS480|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_IS_IGPGART}, \
+	{0x1002, 0x5a41, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS400|RADEON_IS_IGP|RADEON_IS_IGPGART}, \
+	{0x1002, 0x5a42, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS400|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_IS_IGPGART}, \
+	{0x1002, 0x5a61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS400|RADEON_IS_IGP|RADEON_IS_IGPGART}, \
+	{0x1002, 0x5a62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS400|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_IS_IGPGART}, \
 	{0x1002, 0x5b60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5b62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5b63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
-- 
GitLab


From edc6f389f6ae9cb7621270a8ddbb1892bd8df125 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 17 Oct 2008 09:21:45 +1000
Subject: [PATCH 1151/2224] radeon: fix PCI bus mastering support enables.

Someone noticed these registers moved around for later chips,
so we redo the codepaths per-chip. PCIE chips don't appear to
require explicit enables.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/radeon/radeon_cp.c  | 16 +++++++++--
 drivers/gpu/drm/radeon/radeon_drv.h | 25 ++++++++++++++++
 include/drm/drm_pciids.h            | 44 ++++++++++++++---------------
 3 files changed, 61 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index a83d7615ba7..59a2132a8f5 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -363,6 +363,7 @@ static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
 				     R300_cp_microcode[i][0]);
 		}
 	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R423) ||
 		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV410)) {
 		DRM_INFO("Loading R400 Microcode\n");
 		for (i = 0; i < 256; i++) {
@@ -652,8 +653,18 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev,
 	RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
 
 	/* Turn on bus mastering */
-	tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
-	RADEON_WRITE(RADEON_BUS_CNTL, tmp);
+	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+	    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
+		/* rs400, rs690/rs740 */
+		tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RS400_BUS_MASTER_DIS;
+		RADEON_WRITE(RADEON_BUS_CNTL, tmp);
+	} else if (!(((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV380) ||
+		    ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R423))) {
+		/* r1xx, r2xx, r300, r(v)350, r420/r481, rs480 */
+		tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
+		RADEON_WRITE(RADEON_BUS_CNTL, tmp);
+	} /* PCIE cards appears to not need this */
 
 	dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
 	RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
@@ -1719,6 +1730,7 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
 	case CHIP_R300:
 	case CHIP_R350:
 	case CHIP_R420:
+	case CHIP_R423:
 	case CHIP_RV410:
 	case CHIP_RV515:
 	case CHIP_R520:
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 9278429af9e..4dbb813910c 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -122,6 +122,7 @@ enum radeon_family {
 	CHIP_RV350,
 	CHIP_RV380,
 	CHIP_R420,
+	CHIP_R423,
 	CHIP_RV410,
 	CHIP_RS400,
 	CHIP_RS480,
@@ -439,8 +440,31 @@ extern int r300_do_cp_cmdbuf(struct drm_device *dev,
 #	define RADEON_SCISSOR_1_ENABLE		(1 << 29)
 #	define RADEON_SCISSOR_2_ENABLE		(1 << 30)
 
+/*
+ * PCIE radeons (rv370/rv380, rv410, r423/r430/r480, r5xx)
+ * don't have an explicit bus mastering disable bit.  It's handled
+ * by the PCI D-states.  PMI_BM_DIS disables D-state bus master
+ * handling, not bus mastering itself.
+ */
 #define RADEON_BUS_CNTL			0x0030
+/* r1xx, r2xx, r300, r(v)350, r420/r481, rs480 */
 #	define RADEON_BUS_MASTER_DIS		(1 << 6)
+/* rs400, rs690/rs740 */
+#	define RS400_BUS_MASTER_DIS		(1 << 14)
+#	define RS400_MSI_REARM		        (1 << 20)
+/* see RS480_MSI_REARM in AIC_CNTL for rs480 */
+
+#define RADEON_BUS_CNTL1		0x0034
+#	define RADEON_PMI_BM_DIS		(1 << 2)
+#	define RADEON_PMI_INT_DIS		(1 << 3)
+
+#define RV370_BUS_CNTL			0x004c
+#	define RV370_PMI_BM_DIS		        (1 << 5)
+#	define RV370_PMI_INT_DIS		(1 << 6)
+
+#define RADEON_MSI_REARM_EN		0x0160
+/* rv370/rv380, rv410, r423/r430/r480, r5xx */
+#	define RV370_MSI_REARM_EN		(1 << 0)
 
 #define RADEON_CLOCK_CNTL_DATA		0x000c
 #	define RADEON_PLL_WR_EN			(1 << 7)
@@ -913,6 +937,7 @@ extern int r300_do_cp_cmdbuf(struct drm_device *dev,
 
 #define RADEON_AIC_CNTL			0x01d0
 #	define RADEON_PCIGART_TRANSLATE_EN	(1 << 0)
+#	define RS480_MSI_REARM	                (1 << 3)
 #define RADEON_AIC_STAT			0x01d4
 #define RADEON_AIC_PT_BASE		0x01d8
 #define RADEON_AIC_LO_ADDR		0x01dc
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 401cc8b7e88..da04109741e 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -84,18 +84,18 @@
 	{0x1002, 0x5462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5464, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5657, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5548, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5549, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x554A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x554B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x554C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x554D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x554E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x554F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5550, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5551, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5552, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5554, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5548, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5549, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x554A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x554B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x554C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x554D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x554E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x554F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5550, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5551, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5552, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5554, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x564A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x564B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x564F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -124,16 +124,16 @@
 	{0x1002, 0x5b65, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5c61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5c63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \
-	{0x1002, 0x5d48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d4a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d4e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d52, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
-	{0x1002, 0x5d57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d4a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d4e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d52, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5d57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5e48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5e4a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5e4b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
-- 
GitLab


From 9e0b97e37fddaf5419d8af24362015ab684eff7e Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 17 Oct 2008 09:29:14 +1000
Subject: [PATCH 1152/2224] drm: make CONFIG_DRM depend on CONFIG_SHMEM.

This can be removed later when DRM doesn't depend on shmem.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index bf9003ee7ab..9097500de5f 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -6,7 +6,7 @@
 #
 menuconfig DRM
 	tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
-	depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG
+	depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && SHMEM
 	help
 	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
 	  introduced in XFree86 4.0. If you say Y here, you need to select
-- 
GitLab


From 4b40893918203ee1a1f6a114316c2a19c072e9bd Mon Sep 17 00:00:00 2001
From: Matthias Hopf <mhopf@suse.de>
Date: Sat, 18 Oct 2008 07:18:05 +1000
Subject: [PATCH 1153/2224] drm/i915: fix ioremap of a user address for
 non-root (CVE-2008-3831)

Olaf Kirch noticed that the i915_set_status_page() function of the i915
kernel driver calls ioremap with an address offset that is supplied by
userspace via ioctl. The function zeroes the mapped memory via memset
and tells the hardware about the address. Turns out that access to that
ioctl is not restricted to root so users could probably exploit that to
do nasty things. We haven't tried to write actual exploit code though.

It only affects the Intel G33 series and newer.

Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 9b967bf3aa6..db34780edbb 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -940,7 +940,7 @@ struct drm_ioctl_desc i915_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE,  i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ),
 	DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE,  i915_vblank_pipe_get, DRM_AUTH ),
 	DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
-- 
GitLab


From b064eca9b0cdbb2b8f731ae2e44fa02194a1219a Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Wed, 24 Sep 2008 11:49:19 -0400
Subject: [PATCH 1154/2224] USB: option: add Ericsson F3507g and Dell 5530

Add a few more mobile broadband cards.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6b1727e751e..2d728e897b4 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -220,6 +220,10 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define ZTE_PRODUCT_MF628			0x0015
 #define ZTE_PRODUCT_CDMA_TECH			0xfffe
 
+/* Ericsson products */
+#define ERICSSON_VENDOR_ID			0x0bdb
+#define ERICSSON_PRODUCT_F3507G			0x1900
+
 static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -318,6 +322,7 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8136) },	/* Dell Wireless HSDPA 5520 == Novatel Expedite EU860D */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8137) },	/* Dell Wireless HSDPA 5520 */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8138) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
+	{ USB_DEVICE(DELL_VENDOR_ID, 0x8147) },	/* Dell Wireless 5530 Mobile Broadband (3G HSPA) Mini-Card */
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
@@ -349,6 +354,7 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
+	{ USB_DEVICE(ERICSSON_VENDOR_ID, ERICSSON_PRODUCT_F3507G) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
-- 
GitLab


From 631556a0763ac155c82bbcbeed7e4b28bd737927 Mon Sep 17 00:00:00 2001
From: Denis Joseph Barrow <D.Barow@option.com>
Date: Tue, 30 Sep 2008 16:49:22 +0200
Subject: [PATCH 1155/2224] USB: option.c remove duplicate device ids now
 supported in hso.c

Remove duplicate device ids which are now supported by drivers/usb/net/hso.c

Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 2d728e897b4..fa8ec3af5f3 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -79,27 +79,16 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define OPTION_PRODUCT_VIPER			0x6600
 #define OPTION_PRODUCT_VIPER_BUS		0x6601
 #define OPTION_PRODUCT_GT_MAX_READY		0x6701
-#define OPTION_PRODUCT_GT_MAX			0x6711
 #define OPTION_PRODUCT_FUJI_MODEM_LIGHT		0x6721
 #define OPTION_PRODUCT_FUJI_MODEM_GT		0x6741
 #define OPTION_PRODUCT_FUJI_MODEM_EX		0x6761
-#define OPTION_PRODUCT_FUJI_NETWORK_LIGHT	0x6731
-#define OPTION_PRODUCT_FUJI_NETWORK_GT		0x6751
-#define OPTION_PRODUCT_FUJI_NETWORK_EX		0x6771
 #define OPTION_PRODUCT_KOI_MODEM		0x6800
-#define OPTION_PRODUCT_KOI_NETWORK		0x6811
 #define OPTION_PRODUCT_SCORPION_MODEM		0x6901
-#define OPTION_PRODUCT_SCORPION_NETWORK		0x6911
 #define OPTION_PRODUCT_ETNA_MODEM		0x7001
-#define OPTION_PRODUCT_ETNA_NETWORK		0x7011
 #define OPTION_PRODUCT_ETNA_MODEM_LITE		0x7021
 #define OPTION_PRODUCT_ETNA_MODEM_GT		0x7041
 #define OPTION_PRODUCT_ETNA_MODEM_EX		0x7061
-#define OPTION_PRODUCT_ETNA_NETWORK_LITE	0x7031
-#define OPTION_PRODUCT_ETNA_NETWORK_GT		0x7051
-#define OPTION_PRODUCT_ETNA_NETWORK_EX		0x7071
 #define OPTION_PRODUCT_ETNA_KOI_MODEM		0x7100
-#define OPTION_PRODUCT_ETNA_KOI_NETWORK		0x7111
 
 #define HUAWEI_VENDOR_ID			0x12D1
 #define HUAWEI_PRODUCT_E600			0x1001
@@ -239,27 +228,16 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_VIPER_BUS) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX_READY) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_GT_MAX) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_LIGHT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_GT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_MODEM_EX) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_LIGHT) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_GT) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_FUJI_NETWORK_EX) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_KOI_NETWORK) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_SCORPION_NETWORK) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_LITE) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_LITE) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_GT) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_NETWORK_EX) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) },
-	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_NETWORK) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
-- 
GitLab


From c3d36c453c84554eb12941b3f98abf4fefec000a Mon Sep 17 00:00:00 2001
From: Vladimir Vukicevic <vladimir@pobox.com>
Date: Fri, 3 Oct 2008 17:08:43 -0700
Subject: [PATCH 1156/2224] USB: Add Oceanic product ID to ftdi_sio

Add Oceanic PID to ftdi_sio driver

Oceanic dive computers (such as the VT3 --
http://www.oceanicworldwide.com/p_computers_vt3.html) all use an onboard
FTDI serial converter, with the FTDI vid and a  PID of 0xf460.  The
attached patch adds that pid to ftdi_sio; driver  connects to my VT3
after that.

Signed-off-by: Vladimir Vukicevic <vladimir@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/ftdi_sio.c | 1 +
 drivers/usb/serial/ftdi_sio.h | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index c2ac129557a..ef3dc1a61b6 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -578,6 +578,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
 	{ USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 8a5b6df3a97..07a3992abad 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -627,6 +627,11 @@
  */
 #define FTDI_SUUNTO_SPORTS_PID	0xF680	/* Suunto Sports instrument */
 
+/*
+ * Oceanic product ids
+ */
+#define FTDI_OCEANIC_PID	0xF460  /* Oceanic dive instrument */
+
 /*
  * TTi (Thurlby Thandar Instruments)
  */
-- 
GitLab


From eb86be5424d4c08e686d5e578b72a26c516ae58a Mon Sep 17 00:00:00 2001
From: Harrison Metzger <harrisonmetz@gmail.com>
Date: Thu, 14 Aug 2008 11:29:32 -0500
Subject: [PATCH 1157/2224] USB: Added driver for a Delcom USB 7-segment LED
 Display

Added basic support for a Delcom USB 7-segment LED Display

Signed-off by: Harrison Metzger <harrisonmetz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../testing/sysfs-bus-usb-devices-usbsevseg   |  43 ++
 Documentation/usb/misc_usbsevseg.txt          |  46 ++
 drivers/usb/misc/Kconfig                      |   9 +
 drivers/usb/misc/Makefile                     |   1 +
 drivers/usb/misc/usbsevseg.c                  | 394 ++++++++++++++++++
 5 files changed, 493 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg
 create mode 100644 Documentation/usb/misc_usbsevseg.txt
 create mode 100644 drivers/usb/misc/usbsevseg.c

diff --git a/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg b/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg
new file mode 100644
index 00000000000..cb830df8777
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-usbsevseg
@@ -0,0 +1,43 @@
+Where:		/sys/bus/usb/.../powered
+Date:		August 2008
+Kernel Version:	2.6.26
+Contact:	Harrison Metzger <harrisonmetz@gmail.com>
+Description:	Controls whether the device's display will powered.
+		A value of 0 is off and a non-zero value is on.
+
+Where:		/sys/bus/usb/.../mode_msb
+Where:		/sys/bus/usb/.../mode_lsb
+Date:		August 2008
+Kernel Version:	2.6.26
+Contact:	Harrison Metzger <harrisonmetz@gmail.com>
+Description:	Controls the devices display mode.
+		For a 6 character display the values are
+			MSB 0x06; LSB 0x3F, and
+		for an 8 character display the values are
+			MSB 0x08; LSB 0xFF.
+
+Where:		/sys/bus/usb/.../textmode
+Date:		August 2008
+Kernel Version:	2.6.26
+Contact:	Harrison Metzger <harrisonmetz@gmail.com>
+Description:	Controls the way the device interprets its text buffer.
+		raw:	each character controls its segment manually
+		hex:	each character is between 0-15
+		ascii:	each character is between '0'-'9' and 'A'-'F'.
+
+Where:		/sys/bus/usb/.../text
+Date:		August 2008
+Kernel Version:	2.6.26
+Contact:	Harrison Metzger <harrisonmetz@gmail.com>
+Description:	The text (or data) for the device to display
+
+Where:		/sys/bus/usb/.../decimals
+Date:		August 2008
+Kernel Version:	2.6.26
+Contact:	Harrison Metzger <harrisonmetz@gmail.com>
+Description:	Controls the decimal places on the device.
+		To set the nth decimal place, give this field
+		the value of 10 ** n. Assume this field has
+		the value k and has 1 or more decimal places set,
+		to set the mth place (where m is not already set),
+		change this fields value to k + 10 ** m.
\ No newline at end of file
diff --git a/Documentation/usb/misc_usbsevseg.txt b/Documentation/usb/misc_usbsevseg.txt
new file mode 100644
index 00000000000..0f6be4f9930
--- /dev/null
+++ b/Documentation/usb/misc_usbsevseg.txt
@@ -0,0 +1,46 @@
+USB 7-Segment Numeric Display
+Manufactured by Delcom Engineering
+
+Device Information
+------------------
+USB VENDOR_ID	0x0fc5
+USB PRODUCT_ID	0x1227
+Both the 6 character and 8 character displays have PRODUCT_ID,
+and according to Delcom Engineering no queryable information
+can be obtained from the device to tell them apart.
+
+Device Modes
+------------
+By default, the driver assumes the display is only 6 characters
+The mode for 6 characters is:
+	MSB 0x06; LSB 0x3f
+For the 8 character display:
+	MSB 0x08; LSB 0xff
+The device can accept "text" either in raw, hex, or ascii textmode.
+raw controls each segment manually,
+hex expects a value between 0-15 per character,
+ascii expects a value between '0'-'9' and 'A'-'F'.
+The default is ascii.
+
+Device Operation
+----------------
+1.	Turn on the device:
+	echo 1 > /sys/bus/usb/.../powered
+2.	Set the device's mode:
+	echo $mode_msb > /sys/bus/usb/.../mode_msb
+	echo $mode_lsb > /sys/bus/usb/.../mode_lsb
+3.	Set the textmode:
+	echo $textmode > /sys/bus/usb/.../textmode
+4.	set the text (for example):
+	echo "123ABC" > /sys/bus/usb/.../text (ascii)
+	echo "A1B2" > /sys/bus/usb/.../text (ascii)
+	echo -ne "\x01\x02\x03" > /sys/bus/usb/.../text (hex)
+5.	Set the decimal places.
+	The device has either 6 or 8 decimal points.
+	to set the nth decimal place calculate 10 ** n
+	and echo it in to /sys/bus/usb/.../decimals
+	To set multiple decimals points sum up each power.
+	For example, to set the 0th and 3rd decimal place
+	echo 1001 > /sys/bus/usb/.../decimals
+
+
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
index 4ea50e0abcb..25e1157ab17 100644
--- a/drivers/usb/misc/Kconfig
+++ b/drivers/usb/misc/Kconfig
@@ -42,6 +42,15 @@ config USB_ADUTUX
 	  To compile this driver as a module, choose M here.  The module
 	  will be called adutux.
 
+config USB_SEVSEG
+	tristate "USB 7-Segment LED Display"
+	depends on USB
+	help
+	  Say Y here if you have a USB 7-Segment Display by Delcom
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbsevseg.
+
 config USB_RIO500
 	tristate "USB Diamond Rio500 support"
 	depends on USB
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 45b4e12afb0..39ce4a16b3d 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_USB_RIO500)	+= rio500.o
 obj-$(CONFIG_USB_TEST)		+= usbtest.o
 obj-$(CONFIG_USB_TRANCEVIBRATOR)	+= trancevibrator.o
 obj-$(CONFIG_USB_USS720)	+= uss720.o
+obj-$(CONFIG_USB_SEVSEG)	+= usbsevseg.o
 
 obj-$(CONFIG_USB_SISUSBVGA)	+= sisusbvga/
 
diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c
new file mode 100644
index 00000000000..28a6a3a0953
--- /dev/null
+++ b/drivers/usb/misc/usbsevseg.c
@@ -0,0 +1,394 @@
+/*
+ * USB 7 Segment Driver
+ *
+ * Copyright (C) 2008 Harrison Metzger <harrisonmetz@gmail.com>
+ * Based on usbled.c by Greg Kroah-Hartman (greg@kroah.com)
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License as
+ *	published by the Free Software Foundation, version 2.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/usb.h>
+
+
+#define DRIVER_AUTHOR "Harrison Metzger <harrisonmetz@gmail.com>"
+#define DRIVER_DESC "USB 7 Segment Driver"
+
+#define VENDOR_ID	0x0fc5
+#define PRODUCT_ID	0x1227
+#define MAXLEN		6
+
+/* table of devices that work with this driver */
+static struct usb_device_id id_table[] = {
+	{ USB_DEVICE(VENDOR_ID, PRODUCT_ID) },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+/* the different text display modes the device is capable of */
+static char *display_textmodes[] = {"raw", "hex", "ascii", NULL};
+
+struct usb_sevsegdev {
+	struct usb_device *udev;
+
+	u8 powered;
+	u8 mode_msb;
+	u8 mode_lsb;
+	u8 decimals[MAXLEN];
+	u8 textmode;
+	u8 text[MAXLEN];
+	u16 textlength;
+};
+
+/* sysfs_streq can't replace this completely
+ * If the device was in hex mode, and the user wanted a 0,
+ * if str commands are used, we would assume the end of string
+ * so mem commands are used.
+ */
+inline size_t my_memlen(const char *buf, size_t count)
+{
+	if (count > 0 && buf[count-1] == '\n')
+		return count - 1;
+	else
+		return count;
+}
+
+static void update_display_powered(struct usb_sevsegdev *mydev)
+{
+	int rc;
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(80 * 0x100) + 10, /*  (power mode) */
+			(0x00 * 0x100) + (mydev->powered ? 1 : 0),
+			NULL,
+			0,
+			2000);
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "power retval = %d\n", rc);
+}
+
+static void update_display_mode(struct usb_sevsegdev *mydev)
+{
+	int rc;
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(82 * 0x100) + 10, /* (set mode) */
+			(mydev->mode_msb * 0x100) + mydev->mode_lsb,
+			NULL,
+			0,
+			2000);
+
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "mode retval = %d\n", rc);
+}
+
+static void update_display_visual(struct usb_sevsegdev *mydev)
+{
+	int rc;
+	int i;
+	unsigned char *buffer;
+	u8 decimals = 0;
+
+	buffer = kzalloc(MAXLEN, GFP_KERNEL);
+	if (!buffer) {
+		dev_err(&mydev->udev->dev, "out of memory\n");
+		return;
+	}
+
+	/* The device is right to left, where as you write left to right */
+	for (i = 0; i < mydev->textlength; i++)
+		buffer[i] = mydev->text[mydev->textlength-1-i];
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(85 * 0x100) + 10, /* (write text) */
+			(0 * 0x100) + mydev->textmode, /* mode  */
+			buffer,
+			mydev->textlength,
+			2000);
+
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "write retval = %d\n", rc);
+
+	kfree(buffer);
+
+	/* The device is right to left, where as you write left to right */
+	for (i = 0; i < sizeof(mydev->decimals); i++)
+		decimals |= mydev->decimals[i] << i;
+
+	rc = usb_control_msg(mydev->udev,
+			usb_sndctrlpipe(mydev->udev, 0),
+			0x12,
+			0x48,
+			(86 * 0x100) + 10, /* (set decimal) */
+			(0 * 0x100) + decimals, /* decimals */
+			NULL,
+			0,
+			2000);
+
+	if (rc < 0)
+		dev_dbg(&mydev->udev->dev, "decimal retval = %d\n", rc);
+}
+
+#define MYDEV_ATTR_SIMPLE_UNSIGNED(name, update_fcn)		\
+static ssize_t show_attr_##name(struct device *dev, 		\
+	struct device_attribute *attr, char *buf) 		\
+{								\
+	struct usb_interface *intf = to_usb_interface(dev);	\
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);	\
+								\
+	return sprintf(buf, "%u\n", mydev->name);		\
+}								\
+								\
+static ssize_t set_attr_##name(struct device *dev, 		\
+	struct device_attribute *attr, const char *buf, size_t count) \
+{								\
+	struct usb_interface *intf = to_usb_interface(dev);	\
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);	\
+								\
+	mydev->name = simple_strtoul(buf, NULL, 10);		\
+	update_fcn(mydev); \
+								\
+	return count;						\
+}								\
+static DEVICE_ATTR(name, S_IWUGO | S_IRUGO, show_attr_##name, set_attr_##name);
+
+static ssize_t show_attr_text(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+
+	return snprintf(buf, mydev->textlength, "%s\n", mydev->text);
+}
+
+static ssize_t set_attr_text(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	size_t end = my_memlen(buf, count);
+
+	if (end > sizeof(mydev->text))
+		return -EINVAL;
+
+	memset(mydev->text, 0, sizeof(mydev->text));
+	mydev->textlength = end;
+
+	if (end > 0)
+		memcpy(mydev->text, buf, end);
+
+	update_display_visual(mydev);
+	return count;
+}
+
+static DEVICE_ATTR(text, S_IWUGO | S_IRUGO, show_attr_text, set_attr_text);
+
+static ssize_t show_attr_decimals(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	int i;
+	int pos;
+
+	for (i = 0; i < sizeof(mydev->decimals); i++) {
+		pos = sizeof(mydev->decimals) - 1 - i;
+		if (mydev->decimals[i] == 0)
+			buf[pos] = '0';
+		else if (mydev->decimals[i] == 1)
+			buf[pos] = '1';
+		else
+			buf[pos] = 'x';
+	}
+
+	buf[sizeof(mydev->decimals)] = '\n';
+	return sizeof(mydev->decimals) + 1;
+}
+
+static ssize_t set_attr_decimals(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	size_t end = my_memlen(buf, count);
+	int i;
+
+	if (end > sizeof(mydev->decimals))
+		return -EINVAL;
+
+	for (i = 0; i < end; i++)
+		if (buf[i] != '0' && buf[i] != '1')
+			return -EINVAL;
+
+	memset(mydev->decimals, 0, sizeof(mydev->decimals));
+	for (i = 0; i < end; i++)
+		if (buf[i] == '1')
+			mydev->decimals[end-1-i] = 1;
+
+	update_display_visual(mydev);
+
+	return count;
+}
+
+static DEVICE_ATTR(decimals, S_IWUGO | S_IRUGO,
+	show_attr_decimals, set_attr_decimals);
+
+static ssize_t show_attr_textmode(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	int i;
+
+	buf[0] = 0;
+
+	for (i = 0; display_textmodes[i]; i++) {
+		if (mydev->textmode == i) {
+			strcat(buf, " [");
+			strcat(buf, display_textmodes[i]);
+			strcat(buf, "] ");
+		} else {
+			strcat(buf, " ");
+			strcat(buf, display_textmodes[i]);
+			strcat(buf, " ");
+		}
+	}
+	strcat(buf, "\n");
+
+
+	return strlen(buf);
+}
+
+static ssize_t set_attr_textmode(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usb_sevsegdev *mydev = usb_get_intfdata(intf);
+	int i;
+
+	for (i = 0; display_textmodes[i]; i++) {
+		if (sysfs_streq(display_textmodes[i], buf)) {
+			mydev->textmode = i;
+			update_display_visual(mydev);
+			return count;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static DEVICE_ATTR(textmode, S_IWUGO | S_IRUGO,
+	show_attr_textmode, set_attr_textmode);
+
+
+MYDEV_ATTR_SIMPLE_UNSIGNED(powered, update_display_powered);
+MYDEV_ATTR_SIMPLE_UNSIGNED(mode_msb, update_display_mode);
+MYDEV_ATTR_SIMPLE_UNSIGNED(mode_lsb, update_display_mode);
+
+static struct attribute *dev_attrs[] = {
+	&dev_attr_powered.attr,
+	&dev_attr_text.attr,
+	&dev_attr_textmode.attr,
+	&dev_attr_decimals.attr,
+	&dev_attr_mode_msb.attr,
+	&dev_attr_mode_lsb.attr,
+	NULL
+};
+
+static struct attribute_group dev_attr_grp = {
+	.attrs = dev_attrs,
+};
+
+static int sevseg_probe(struct usb_interface *interface,
+	const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(interface);
+	struct usb_sevsegdev *mydev = NULL;
+	int rc = -ENOMEM;
+
+	mydev = kzalloc(sizeof(struct usb_sevsegdev), GFP_KERNEL);
+	if (mydev == NULL) {
+		dev_err(&interface->dev, "Out of memory\n");
+		goto error_mem;
+	}
+
+	mydev->udev = usb_get_dev(udev);
+	usb_set_intfdata(interface, mydev);
+
+	/*set defaults */
+	mydev->textmode = 0x02; /* ascii mode */
+	mydev->mode_msb = 0x06; /* 6 characters */
+	mydev->mode_lsb = 0x3f; /* scanmode for 6 chars */
+
+	rc = sysfs_create_group(&interface->dev.kobj, &dev_attr_grp);
+	if (rc)
+		goto error;
+
+	dev_info(&interface->dev, "USB 7 Segment device now attached\n");
+	return 0;
+
+error:
+	usb_set_intfdata(interface, NULL);
+	usb_put_dev(mydev->udev);
+	kfree(mydev);
+error_mem:
+	return rc;
+}
+
+static void sevseg_disconnect(struct usb_interface *interface)
+{
+	struct usb_sevsegdev *mydev;
+
+	mydev = usb_get_intfdata(interface);
+	sysfs_remove_group(&interface->dev.kobj, &dev_attr_grp);
+	usb_set_intfdata(interface, NULL);
+	usb_put_dev(mydev->udev);
+	kfree(mydev);
+	dev_info(&interface->dev, "USB 7 Segment now disconnected\n");
+}
+
+static struct usb_driver sevseg_driver = {
+	.name =		"usbsevseg",
+	.probe =	sevseg_probe,
+	.disconnect =	sevseg_disconnect,
+	.id_table =	id_table,
+};
+
+static int __init usb_sevseg_init(void)
+{
+	int rc = 0;
+
+	rc = usb_register(&sevseg_driver);
+	if (rc)
+		err("usb_register failed. Error number %d", rc);
+	return rc;
+}
+
+static void __exit usb_sevseg_exit(void)
+{
+	usb_deregister(&sevseg_driver);
+}
+
+module_init(usb_sevseg_init);
+module_exit(usb_sevseg_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
-- 
GitLab


From 5b775f672cc993ba9dba5626811ab1f2ac42883b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 26 Aug 2008 16:22:06 -0700
Subject: [PATCH 1158/2224] USB: add USB test and measurement class driver

This driver was originaly written by Stefan Kopp, but massively
reworked by Greg for submission.

Thanks to Felipe Balbi <me@felipebalbi.com> for lots of work in cleaning
up this driver.

Thanks to Oliver Neukum <oliver@neukum.org> for reviewing previous
versions and pointing out problems.


Cc: Stefan Kopp <stefan_kopp@agilent.com>
Cc: Marcel Janssen <korgull@home.nl>
Cc: Felipe Balbi <me@felipebalbi.com>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 .../ABI/stable/sysfs-driver-usb-usbtmc        |   62 +
 Documentation/devices.txt                     |    3 +
 Documentation/ioctl-number.txt                |    2 +
 drivers/usb/class/Kconfig                     |   10 +
 drivers/usb/class/Makefile                    |    1 +
 drivers/usb/class/usbtmc.c                    | 1087 +++++++++++++++++
 include/linux/usb/Kbuild                      |    2 +-
 include/linux/usb/tmc.h                       |   43 +
 8 files changed, 1209 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/ABI/stable/sysfs-driver-usb-usbtmc
 create mode 100644 drivers/usb/class/usbtmc.c
 create mode 100644 include/linux/usb/tmc.h

diff --git a/Documentation/ABI/stable/sysfs-driver-usb-usbtmc b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc
new file mode 100644
index 00000000000..9a75fb22187
--- /dev/null
+++ b/Documentation/ABI/stable/sysfs-driver-usb-usbtmc
@@ -0,0 +1,62 @@
+What:		/sys/bus/usb/drivers/usbtmc/devices/*/interface_capabilities
+What:		/sys/bus/usb/drivers/usbtmc/devices/*/device_capabilities
+Date:		August 2008
+Contact:	Greg Kroah-Hartman <gregkh@suse.de>
+Description:
+		These files show the various USB TMC capabilities as described
+		by the device itself.  The full description of the bitfields
+		can be found in the USB TMC documents from the USB-IF entitled
+		"Universal Serial Bus Test and Measurement Class Specification
+		(USBTMC) Revision 1.0" section 4.2.1.8.
+
+		The files are read only.
+
+
+What:		/sys/bus/usb/drivers/usbtmc/devices/*/usb488_interface_capabilities
+What:		/sys/bus/usb/drivers/usbtmc/devices/*/usb488_device_capabilities
+Date:		August 2008
+Contact:	Greg Kroah-Hartman <gregkh@suse.de>
+Description:
+		These files show the various USB TMC capabilities as described
+		by the device itself.  The full description of the bitfields
+		can be found in the USB TMC documents from the USB-IF entitled
+		"Universal Serial Bus Test and Measurement Class, Subclass
+		USB488 Specification (USBTMC-USB488) Revision 1.0" section
+		4.2.2.
+
+		The files are read only.
+
+
+What:		/sys/bus/usb/drivers/usbtmc/devices/*/TermChar
+Date:		August 2008
+Contact:	Greg Kroah-Hartman <gregkh@suse.de>
+Description:
+		This file is the TermChar value to be sent to the USB TMC
+		device as described by the document, "Universal Serial Bus Test
+		and Measurement Class Specification
+		(USBTMC) Revision 1.0" as published by the USB-IF.
+
+		Note that the TermCharEnabled file determines if this value is
+		sent to the device or not.
+
+
+What:		/sys/bus/usb/drivers/usbtmc/devices/*/TermCharEnabled
+Date:		August 2008
+Contact:	Greg Kroah-Hartman <gregkh@suse.de>
+Description:
+		This file determines if the TermChar is to be sent to the
+		device on every transaction or not.  For more details about
+		this, please see the document, "Universal Serial Bus Test and
+		Measurement Class Specification (USBTMC) Revision 1.0" as
+		published by the USB-IF.
+
+
+What:		/sys/bus/usb/drivers/usbtmc/devices/*/auto_abort
+Date:		August 2008
+Contact:	Greg Kroah-Hartman <gregkh@suse.de>
+Description:
+		This file determines if the the transaction of the USB TMC
+		device is to be automatically aborted if there is any error.
+		For more details about this, please see the document,
+		"Universal Serial Bus Test and Measurement Class Specification
+		(USBTMC) Revision 1.0" as published by the USB-IF.
diff --git a/Documentation/devices.txt b/Documentation/devices.txt
index 05c80645e4e..2be08240ee8 100644
--- a/Documentation/devices.txt
+++ b/Documentation/devices.txt
@@ -2571,6 +2571,9 @@ Your cooperation is appreciated.
 		160 = /dev/usb/legousbtower0	1st USB Legotower device
 		    ...
 		175 = /dev/usb/legousbtower15	16th USB Legotower device
+		176 = /dev/usb/usbtmc1	First USB TMC device
+		   ...
+		192 = /dev/usb/usbtmc16	16th USB TMC device
 		240 = /dev/usb/dabusb0	First daubusb device
 		    ...
 		243 = /dev/usb/dabusb3	Fourth dabusb device
diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index 1c6b545635a..f8deb85eef6 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -110,6 +110,8 @@ Code	Seq#	Include File		Comments
 'W'	00-1F	linux/wanrouter.h	conflict!
 'X'	all	linux/xfs_fs.h
 'Y'	all	linux/cyclades.h
+'['	00-07	linux/usb/usbtmc.h	USB Test and Measurement Devices
+					<mailto:gregkh@suse.de>
 'a'	all				ATM on linux
 					<http://lrcwww.epfl.ch/linux-atm/magic.html>
 'b'	00-FF				bit3 vme host bridge
diff --git a/drivers/usb/class/Kconfig b/drivers/usb/class/Kconfig
index 66f17ed88cb..2519e320098 100644
--- a/drivers/usb/class/Kconfig
+++ b/drivers/usb/class/Kconfig
@@ -40,3 +40,13 @@ config USB_WDM
 	  To compile this driver as a module, choose M here: the
 	  module will be called cdc-wdm.
 
+config USB_TMC
+	tristate "USB Test and Measurement Class support"
+	depends on USB
+	help
+	  Say Y here if you want to connect a USB device that follows
+	  the USB.org specification for USB Test and Measurement devices
+	  to your computer's USB port.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called usbtmc.
diff --git a/drivers/usb/class/Makefile b/drivers/usb/class/Makefile
index 535d59a3060..32e85277b5c 100644
--- a/drivers/usb/class/Makefile
+++ b/drivers/usb/class/Makefile
@@ -6,3 +6,4 @@
 obj-$(CONFIG_USB_ACM)		+= cdc-acm.o
 obj-$(CONFIG_USB_PRINTER)	+= usblp.o
 obj-$(CONFIG_USB_WDM)		+= cdc-wdm.o
+obj-$(CONFIG_USB_TMC)		+= usbtmc.o
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
new file mode 100644
index 00000000000..543811f6e6e
--- /dev/null
+++ b/drivers/usb/class/usbtmc.c
@@ -0,0 +1,1087 @@
+/**
+ * drivers/usb/class/usbtmc.c - USB Test & Measurment class driver
+ *
+ * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany
+ * Copyright (C) 2008 Novell, Inc.
+ * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * The GNU General Public License is available at
+ * http://www.gnu.org/copyleft/gpl.html.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/kref.h>
+#include <linux/mutex.h>
+#include <linux/usb.h>
+#include <linux/usb/tmc.h>
+
+
+#define USBTMC_MINOR_BASE	176
+
+/*
+ * Size of driver internal IO buffer. Must be multiple of 4 and at least as
+ * large as wMaxPacketSize (which is usually 512 bytes).
+ */
+#define USBTMC_SIZE_IOBUFFER	2048
+
+/* Default USB timeout (in milliseconds) */
+#define USBTMC_TIMEOUT		10
+
+/*
+ * Maximum number of read cycles to empty bulk in endpoint during CLEAR and
+ * ABORT_BULK_IN requests. Ends the loop if (for whatever reason) a short
+ * packet is never read.
+ */
+#define USBTMC_MAX_READS_TO_CLEAR_BULK_IN	100
+
+static struct usb_device_id usbtmc_devices[] = {
+	{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 0), },
+	{ 0, } /* terminating entry */
+};
+
+/*
+ * This structure is the capabilities for the device
+ * See section 4.2.1.8 of the USBTMC specification for details.
+ */
+struct usbtmc_dev_capabilities {
+	__u8 interface_capabilities;
+	__u8 device_capabilities;
+	__u8 usb488_interface_capabilities;
+	__u8 usb488_device_capabilities;
+};
+
+/* This structure holds private data for each USBTMC device. One copy is
+ * allocated for each USBTMC device in the driver's probe function.
+ */
+struct usbtmc_device_data {
+	const struct usb_device_id *id;
+	struct usb_device *usb_dev;
+	struct usb_interface *intf;
+
+	unsigned int bulk_in;
+	unsigned int bulk_out;
+
+	u8 bTag;
+	u8 bTag_last_write;	/* needed for abort */
+	u8 bTag_last_read;	/* needed for abort */
+
+	/* attributes from the USB TMC spec for this device */
+	u8 TermChar;
+	bool TermCharEnabled;
+	bool auto_abort;
+
+	struct usbtmc_dev_capabilities	capabilities;
+	struct kref kref;
+	struct mutex io_mutex;	/* only one i/o function running at a time */
+};
+#define to_usbtmc_data(d) container_of(d, struct usbtmc_device_data, kref)
+
+/* Forward declarations */
+static struct usb_driver usbtmc_driver;
+
+static void usbtmc_delete(struct kref *kref)
+{
+	struct usbtmc_device_data *data = to_usbtmc_data(kref);
+
+	usb_put_dev(data->usb_dev);
+	kfree(data);
+}
+
+static int usbtmc_open(struct inode *inode, struct file *filp)
+{
+	struct usb_interface *intf;
+	struct usbtmc_device_data *data;
+	int retval = -ENODEV;
+
+	intf = usb_find_interface(&usbtmc_driver, iminor(inode));
+	if (!intf) {
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": can not find device for minor %d", iminor(inode));
+		goto exit;
+	}
+
+	data = usb_get_intfdata(intf);
+	kref_get(&data->kref);
+
+	/* Store pointer in file structure's private data field */
+	filp->private_data = data;
+
+exit:
+	return retval;
+}
+
+static int usbtmc_release(struct inode *inode, struct file *file)
+{
+	struct usbtmc_device_data *data = file->private_data;
+
+	kref_put(&data->kref, usbtmc_delete);
+	return 0;
+}
+
+static int usbtmc_ioctl_abort_bulk_in(struct usbtmc_device_data *data)
+{
+	char *buffer;
+	struct device *dev;
+	int rv;
+	int n;
+	int actual;
+	struct usb_host_interface *current_setting;
+	int max_size;
+
+	dev = &data->intf->dev;
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INITIATE_ABORT_BULK_IN,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     data->bTag_last_read, data->bulk_in,
+			     buffer, 2, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_ABORT_BULK_IN returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_FAILED) {
+		rv = 0;
+		goto exit;
+	}
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INITIATE_ABORT_BULK_IN returned %x\n",
+			buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	max_size = 0;
+	current_setting = data->intf->cur_altsetting;
+	for (n = 0; n < current_setting->desc.bNumEndpoints; n++)
+		if (current_setting->endpoint[n].desc.bEndpointAddress ==
+			data->bulk_in)
+			max_size = le16_to_cpu(current_setting->endpoint[n].
+						desc.wMaxPacketSize);
+
+	if (max_size == 0) {
+		dev_err(dev, "Couldn't get wMaxPacketSize\n");
+		rv = -EPERM;
+		goto exit;
+	}
+
+	dev_dbg(&data->intf->dev, "wMaxPacketSize is %d\n", max_size);
+
+	n = 0;
+
+	do {
+		dev_dbg(dev, "Reading from bulk in EP\n");
+
+		rv = usb_bulk_msg(data->usb_dev,
+				  usb_rcvbulkpipe(data->usb_dev,
+						  data->bulk_in),
+				  buffer, USBTMC_SIZE_IOBUFFER,
+				  &actual, USBTMC_TIMEOUT);
+
+		n++;
+
+		if (rv < 0) {
+			dev_err(dev, "usb_bulk_msg returned %d\n", rv);
+			goto exit;
+		}
+	} while ((actual == max_size) &&
+		 (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN));
+
+	if (actual == max_size) {
+		dev_err(dev, "Couldn't clear device buffer within %d cycles\n",
+			USBTMC_MAX_READS_TO_CLEAR_BULK_IN);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	n = 0;
+
+usbtmc_abort_bulk_in_status:
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     0, data->bulk_in, buffer, 0x08,
+			     USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_ABORT_BULK_IN returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_SUCCESS) {
+		rv = 0;
+		goto exit;
+	}
+
+	if (buffer[0] != USBTMC_STATUS_PENDING) {
+		dev_err(dev, "INITIATE_ABORT_BULK_IN returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	if (buffer[1] == 1)
+		do {
+			dev_dbg(dev, "Reading from bulk in EP\n");
+
+			rv = usb_bulk_msg(data->usb_dev,
+					  usb_rcvbulkpipe(data->usb_dev,
+							  data->bulk_in),
+					  buffer, USBTMC_SIZE_IOBUFFER,
+					  &actual, USBTMC_TIMEOUT);
+
+			n++;
+
+			if (rv < 0) {
+				dev_err(dev, "usb_bulk_msg returned %d\n", rv);
+				goto exit;
+			}
+		} while ((actual = max_size) &&
+			 (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN));
+
+	if (actual == max_size) {
+		dev_err(dev, "Couldn't clear device buffer within %d cycles\n",
+			USBTMC_MAX_READS_TO_CLEAR_BULK_IN);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	goto usbtmc_abort_bulk_in_status;
+
+exit:
+	kfree(buffer);
+	return rv;
+
+}
+
+static int usbtmc_ioctl_abort_bulk_out(struct usbtmc_device_data *data)
+{
+	struct device *dev;
+	u8 *buffer;
+	int rv;
+	int n;
+
+	dev = &data->intf->dev;
+
+	buffer = kmalloc(8, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     data->bTag_last_write, data->bulk_out,
+			     buffer, 2, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_ABORT_BULK_OUT returned %x\n", buffer[0]);
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INITIATE_ABORT_BULK_OUT returned %x\n",
+			buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	n = 0;
+
+usbtmc_abort_bulk_out_check_status:
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+			     0, data->bulk_out, buffer, 0x08,
+			     USBTMC_TIMEOUT);
+	n++;
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "CHECK_ABORT_BULK_OUT returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_SUCCESS)
+		goto usbtmc_abort_bulk_out_clear_halt;
+
+	if ((buffer[0] == USBTMC_STATUS_PENDING) &&
+	    (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN))
+		goto usbtmc_abort_bulk_out_check_status;
+
+	rv = -EPERM;
+	goto exit;
+
+usbtmc_abort_bulk_out_clear_halt:
+	rv = usb_control_msg(data->usb_dev,
+			     usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT, data->bulk_out, buffer,
+			     0, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static ssize_t usbtmc_read(struct file *filp, char __user *buf,
+			   size_t count, loff_t *f_pos)
+{
+	struct usbtmc_device_data *data;
+	struct device *dev;
+	unsigned long int n_characters;
+	u8 *buffer;
+	int actual;
+	int done;
+	int remaining;
+	int retval;
+	int this_part;
+
+	/* Get pointer to private data structure */
+	data = filp->private_data;
+	dev = &data->intf->dev;
+
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	mutex_lock(&data->io_mutex);
+
+	remaining = count;
+	done = 0;
+
+	while (remaining > 0) {
+		if (remaining > USBTMC_SIZE_IOBUFFER - 12 - 3)
+			this_part = USBTMC_SIZE_IOBUFFER - 12 - 3;
+		else
+			this_part = remaining;
+
+		/* Setup IO buffer for DEV_DEP_MSG_IN message
+		 * Refer to class specs for details
+		 */
+		buffer[0] = 2;
+		buffer[1] = data->bTag;
+		buffer[2] = ~(data->bTag);
+		buffer[3] = 0; /* Reserved */
+		buffer[4] = (this_part - 12 - 3) & 255;
+		buffer[5] = ((this_part - 12 - 3) >> 8) & 255;
+		buffer[6] = ((this_part - 12 - 3) >> 16) & 255;
+		buffer[7] = ((this_part - 12 - 3) >> 24) & 255;
+		buffer[8] = data->TermCharEnabled * 2;
+		/* Use term character? */
+		buffer[9] = data->TermChar;
+		buffer[10] = 0; /* Reserved */
+		buffer[11] = 0; /* Reserved */
+
+		/* Send bulk URB */
+		retval = usb_bulk_msg(data->usb_dev,
+				      usb_sndbulkpipe(data->usb_dev,
+						      data->bulk_out),
+				      buffer, 12, &actual, USBTMC_TIMEOUT);
+
+		/* Store bTag (in case we need to abort) */
+		data->bTag_last_write = data->bTag;
+
+		/* Increment bTag -- and increment again if zero */
+		data->bTag++;
+		if (!data->bTag)
+			(data->bTag)++;
+
+		if (retval < 0) {
+			dev_err(dev, "usb_bulk_msg returned %d\n", retval);
+			if (data->auto_abort)
+				usbtmc_ioctl_abort_bulk_out(data);
+			goto exit;
+		}
+
+		/* Send bulk URB */
+		retval = usb_bulk_msg(data->usb_dev,
+				      usb_rcvbulkpipe(data->usb_dev,
+						      data->bulk_in),
+				      buffer, USBTMC_SIZE_IOBUFFER, &actual,
+				      USBTMC_TIMEOUT);
+
+		/* Store bTag (in case we need to abort) */
+		data->bTag_last_read = data->bTag;
+
+		if (retval < 0) {
+			dev_err(dev, "Unable to read data, error %d\n", retval);
+			if (data->auto_abort)
+				usbtmc_ioctl_abort_bulk_in(data);
+			goto exit;
+		}
+
+		/* How many characters did the instrument send? */
+		n_characters = buffer[4] +
+			       (buffer[5] << 8) +
+			       (buffer[6] << 16) +
+			       (buffer[7] << 24);
+
+		/* Copy buffer to user space */
+		if (copy_to_user(buf + done, &buffer[12], n_characters)) {
+			/* There must have been an addressing problem */
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		done += n_characters;
+		if (n_characters < USBTMC_SIZE_IOBUFFER)
+			remaining = 0;
+	}
+
+	/* Update file position value */
+	*f_pos = *f_pos + done;
+	retval = done;
+
+exit:
+	mutex_unlock(&data->io_mutex);
+	kfree(buffer);
+	return retval;
+}
+
+static ssize_t usbtmc_write(struct file *filp, const char __user *buf,
+			    size_t count, loff_t *f_pos)
+{
+	struct usbtmc_device_data *data;
+	u8 *buffer;
+	int retval;
+	int actual;
+	unsigned long int n_bytes;
+	int n;
+	int remaining;
+	int done;
+	int this_part;
+
+	data = filp->private_data;
+
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	mutex_lock(&data->io_mutex);
+
+	remaining = count;
+	done = 0;
+
+	while (remaining > 0) {
+		if (remaining > USBTMC_SIZE_IOBUFFER - 12) {
+			this_part = USBTMC_SIZE_IOBUFFER - 12;
+			buffer[8] = 0;
+		} else {
+			this_part = remaining;
+			buffer[8] = 1;
+		}
+
+		/* Setup IO buffer for DEV_DEP_MSG_OUT message */
+		buffer[0] = 1;
+		buffer[1] = data->bTag;
+		buffer[2] = ~(data->bTag);
+		buffer[3] = 0; /* Reserved */
+		buffer[4] = this_part & 255;
+		buffer[5] = (this_part >> 8) & 255;
+		buffer[6] = (this_part >> 16) & 255;
+		buffer[7] = (this_part >> 24) & 255;
+		/* buffer[8] is set above... */
+		buffer[9] = 0; /* Reserved */
+		buffer[10] = 0; /* Reserved */
+		buffer[11] = 0; /* Reserved */
+
+		if (copy_from_user(&buffer[12], buf + done, this_part)) {
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		n_bytes = 12 + this_part;
+		if (this_part % 4)
+			n_bytes += 4 - this_part % 4;
+			for (n = 12 + this_part; n < n_bytes; n++)
+				buffer[n] = 0;
+
+		retval = usb_bulk_msg(data->usb_dev,
+				      usb_sndbulkpipe(data->usb_dev,
+						      data->bulk_out),
+				      buffer, n_bytes, &actual, USBTMC_TIMEOUT);
+
+		data->bTag_last_write = data->bTag;
+		data->bTag++;
+
+		if (!data->bTag)
+			data->bTag++;
+
+		if (retval < 0) {
+			dev_err(&data->intf->dev,
+				"Unable to send data, error %d\n", retval);
+			if (data->auto_abort)
+				usbtmc_ioctl_abort_bulk_out(data);
+			goto exit;
+		}
+
+		remaining -= this_part;
+		done += this_part;
+	}
+
+	retval = count;
+exit:
+	mutex_unlock(&data->io_mutex);
+	kfree(buffer);
+	return retval;
+}
+
+static int usbtmc_ioctl_clear(struct usbtmc_device_data *data)
+{
+	struct usb_host_interface *current_setting;
+	struct usb_endpoint_descriptor *desc;
+	struct device *dev;
+	u8 *buffer;
+	int rv;
+	int n;
+	int actual;
+	int max_size;
+
+	dev = &data->intf->dev;
+
+	dev_dbg(dev, "Sending INITIATE_CLEAR request\n");
+
+	buffer = kmalloc(USBTMC_SIZE_IOBUFFER, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INITIATE_CLEAR,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 1, USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INITIATE_CLEAR returned %x\n", buffer[0]);
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INITIATE_CLEAR returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	max_size = 0;
+	current_setting = data->intf->cur_altsetting;
+	for (n = 0; n < current_setting->desc.bNumEndpoints; n++) {
+		desc = &current_setting->endpoint[n].desc;
+		if (desc->bEndpointAddress == data->bulk_in)
+			max_size = le16_to_cpu(desc->wMaxPacketSize);
+	}
+
+	if (max_size == 0) {
+		dev_err(dev, "Couldn't get wMaxPacketSize\n");
+		rv = -EPERM;
+		goto exit;
+	}
+
+	dev_dbg(dev, "wMaxPacketSize is %d\n", max_size);
+
+	n = 0;
+
+usbtmc_clear_check_status:
+
+	dev_dbg(dev, "Sending CHECK_CLEAR_STATUS request\n");
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_CHECK_CLEAR_STATUS,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 2, USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "CHECK_CLEAR_STATUS returned %x\n", buffer[0]);
+
+	if (buffer[0] == USBTMC_STATUS_SUCCESS)
+		goto usbtmc_clear_bulk_out_halt;
+
+	if (buffer[0] != USBTMC_STATUS_PENDING) {
+		dev_err(dev, "CHECK_CLEAR_STATUS returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	if (buffer[1] == 1)
+		do {
+			dev_dbg(dev, "Reading from bulk in EP\n");
+
+			rv = usb_bulk_msg(data->usb_dev,
+					  usb_rcvbulkpipe(data->usb_dev,
+							  data->bulk_in),
+					  buffer, USBTMC_SIZE_IOBUFFER,
+					  &actual, USBTMC_TIMEOUT);
+			n++;
+
+			if (rv < 0) {
+				dev_err(dev, "usb_control_msg returned %d\n",
+					rv);
+				goto exit;
+			}
+		} while ((actual == max_size) &&
+			  (n < USBTMC_MAX_READS_TO_CLEAR_BULK_IN));
+
+	if (actual == max_size) {
+		dev_err(dev, "Couldn't clear device buffer within %d cycles\n",
+			USBTMC_MAX_READS_TO_CLEAR_BULK_IN);
+		rv = -EPERM;
+		goto exit;
+	}
+
+	goto usbtmc_clear_check_status;
+
+usbtmc_clear_bulk_out_halt:
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT,
+			     data->bulk_out, buffer, 0,
+			     USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static int usbtmc_ioctl_clear_out_halt(struct usbtmc_device_data *data)
+{
+	u8 *buffer;
+	int rv;
+
+	buffer = kmalloc(2, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT, data->bulk_out,
+			     buffer, 0, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",
+			rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static int usbtmc_ioctl_clear_in_halt(struct usbtmc_device_data *data)
+{
+	u8 *buffer;
+	int rv;
+
+	buffer = kmalloc(2, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev, usb_sndctrlpipe(data->usb_dev, 0),
+			     USB_REQ_CLEAR_FEATURE,
+			     USB_DIR_OUT | USB_TYPE_STANDARD |
+			     USB_RECIP_ENDPOINT,
+			     USB_ENDPOINT_HALT, data->bulk_in, buffer, 0,
+			     USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n",
+			rv);
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static int get_capabilities(struct usbtmc_device_data *data)
+{
+	struct device *dev = &data->usb_dev->dev;
+	char *buffer;
+	int rv;
+
+	buffer = kmalloc(0x18, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev, usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_GET_CAPABILITIES,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 0x18, USBTMC_TIMEOUT);
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		return rv;
+	}
+
+	dev_dbg(dev, "GET_CAPABILITIES returned %x\n", buffer[0]);
+	dev_dbg(dev, "Interface capabilities are %x\n", buffer[4]);
+	dev_dbg(dev, "Device capabilities are %x\n", buffer[5]);
+	dev_dbg(dev, "USB488 interface capabilities are %x\n", buffer[14]);
+	dev_dbg(dev, "USB488 device capabilities are %x\n", buffer[15]);
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "GET_CAPABILITIES returned %x\n", buffer[0]);
+		return -EPERM;
+	}
+
+	data->capabilities.interface_capabilities = buffer[4];
+	data->capabilities.device_capabilities = buffer[5];
+	data->capabilities.usb488_interface_capabilities = buffer[14];
+	data->capabilities.usb488_device_capabilities = buffer[15];
+
+	kfree(buffer);
+	return 0;
+}
+
+#define capability_attribute(name)					\
+static ssize_t show_##name(struct device *dev,				\
+			   struct device_attribute *attr, char *buf)	\
+{									\
+	struct usb_interface *intf = to_usb_interface(dev);		\
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
+									\
+	return sprintf(buf, "%d\n", data->capabilities.name);		\
+}									\
+static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
+
+capability_attribute(interface_capabilities);
+capability_attribute(device_capabilities);
+capability_attribute(usb488_interface_capabilities);
+capability_attribute(usb488_device_capabilities);
+
+static struct attribute *capability_attrs[] = {
+	&dev_attr_interface_capabilities.attr,
+	&dev_attr_device_capabilities.attr,
+	&dev_attr_usb488_interface_capabilities.attr,
+	&dev_attr_usb488_device_capabilities.attr,
+	NULL,
+};
+
+static struct attribute_group capability_attr_grp = {
+	.attrs = capability_attrs,
+};
+
+static ssize_t show_TermChar(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);
+
+	return sprintf(buf, "%c\n", data->TermChar);
+}
+
+static ssize_t store_TermChar(struct device *dev,
+			      struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	struct usb_interface *intf = to_usb_interface(dev);
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);
+
+	if (count < 1)
+		return -EINVAL;
+	data->TermChar = buf[0];
+	return count;
+}
+static DEVICE_ATTR(TermChar, S_IRUGO, show_TermChar, store_TermChar);
+
+#define data_attribute(name)						\
+static ssize_t show_##name(struct device *dev,				\
+			   struct device_attribute *attr, char *buf)	\
+{									\
+	struct usb_interface *intf = to_usb_interface(dev);		\
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
+									\
+	return sprintf(buf, "%d\n", data->name);			\
+}									\
+static ssize_t store_##name(struct device *dev,				\
+			    struct device_attribute *attr,		\
+			    const char *buf, size_t count)		\
+{									\
+	struct usb_interface *intf = to_usb_interface(dev);		\
+	struct usbtmc_device_data *data = usb_get_intfdata(intf);	\
+	ssize_t result;							\
+	unsigned val;							\
+									\
+	result = sscanf(buf, "%u\n", &val);				\
+	if (result != 1)						\
+		result = -EINVAL;					\
+	data->name = val;						\
+	if (result < 0)							\
+		return result;						\
+	else								\
+		return count;						\
+}									\
+static DEVICE_ATTR(name, S_IRUGO, show_##name, store_##name)
+
+data_attribute(TermCharEnabled);
+data_attribute(auto_abort);
+
+static struct attribute *data_attrs[] = {
+	&dev_attr_TermChar.attr,
+	&dev_attr_TermCharEnabled.attr,
+	&dev_attr_auto_abort.attr,
+	NULL,
+};
+
+static struct attribute_group data_attr_grp = {
+	.attrs = data_attrs,
+};
+
+static int usbtmc_ioctl_indicator_pulse(struct usbtmc_device_data *data)
+{
+	struct device *dev;
+	u8 *buffer;
+	int rv;
+
+	dev = &data->intf->dev;
+
+	buffer = kmalloc(2, GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
+
+	rv = usb_control_msg(data->usb_dev,
+			     usb_rcvctrlpipe(data->usb_dev, 0),
+			     USBTMC_REQUEST_INDICATOR_PULSE,
+			     USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+			     0, 0, buffer, 0x01, USBTMC_TIMEOUT);
+
+	if (rv < 0) {
+		dev_err(dev, "usb_control_msg returned %d\n", rv);
+		goto exit;
+	}
+
+	dev_dbg(dev, "INDICATOR_PULSE returned %x\n", buffer[0]);
+
+	if (buffer[0] != USBTMC_STATUS_SUCCESS) {
+		dev_err(dev, "INDICATOR_PULSE returned %x\n", buffer[0]);
+		rv = -EPERM;
+		goto exit;
+	}
+	rv = 0;
+
+exit:
+	kfree(buffer);
+	return rv;
+}
+
+static long usbtmc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	struct usbtmc_device_data *data;
+	int retval = -EBADRQC;
+
+	data = file->private_data;
+	mutex_lock(&data->io_mutex);
+
+	switch (cmd) {
+	case USBTMC_IOCTL_CLEAR_OUT_HALT:
+		retval = usbtmc_ioctl_clear_out_halt(data);
+
+	case USBTMC_IOCTL_CLEAR_IN_HALT:
+		retval = usbtmc_ioctl_clear_in_halt(data);
+
+	case USBTMC_IOCTL_INDICATOR_PULSE:
+		retval = usbtmc_ioctl_indicator_pulse(data);
+
+	case USBTMC_IOCTL_CLEAR:
+		retval = usbtmc_ioctl_clear(data);
+
+	case USBTMC_IOCTL_ABORT_BULK_OUT:
+		retval = usbtmc_ioctl_abort_bulk_out(data);
+
+	case USBTMC_IOCTL_ABORT_BULK_IN:
+		retval = usbtmc_ioctl_abort_bulk_in(data);
+	}
+
+	mutex_unlock(&data->io_mutex);
+	return retval;
+}
+
+static struct file_operations fops = {
+	.owner		= THIS_MODULE,
+	.read		= usbtmc_read,
+	.write		= usbtmc_write,
+	.open		= usbtmc_open,
+	.release	= usbtmc_release,
+	.unlocked_ioctl	= usbtmc_ioctl,
+};
+
+static struct usb_class_driver usbtmc_class = {
+	.name =		"usbtmc%d",
+	.fops =		&fops,
+	.minor_base =	USBTMC_MINOR_BASE,
+};
+
+
+static int usbtmc_probe(struct usb_interface *intf,
+			const struct usb_device_id *id)
+{
+	struct usbtmc_device_data *data;
+	struct usb_host_interface *iface_desc;
+	struct usb_endpoint_descriptor *endpoint;
+	int n;
+	int retcode;
+
+	dev_dbg(&intf->dev, "%s called\n", __func__);
+
+	data = kmalloc(sizeof(struct usbtmc_device_data), GFP_KERNEL);
+	if (!data) {
+		dev_err(&intf->dev, "Unable to allocate kernel memory\n");
+		return -ENOMEM;
+	}
+
+	data->intf = intf;
+	data->id = id;
+	data->usb_dev = usb_get_dev(interface_to_usbdev(intf));
+	usb_set_intfdata(intf, data);
+	kref_init(&data->kref);
+	mutex_init(&data->io_mutex);
+
+	/* Initialize USBTMC bTag and other fields */
+	data->bTag	= 1;
+	data->TermCharEnabled = 0;
+	data->TermChar = '\n';
+
+	/* USBTMC devices have only one setting, so use that */
+	iface_desc = data->intf->cur_altsetting;
+
+	/* Find bulk in endpoint */
+	for (n = 0; n < iface_desc->desc.bNumEndpoints; n++) {
+		endpoint = &iface_desc->endpoint[n].desc;
+
+		if (usb_endpoint_is_bulk_in(endpoint)) {
+			data->bulk_in = endpoint->bEndpointAddress;
+			dev_dbg(&intf->dev, "Found bulk in endpoint at %u\n",
+				data->bulk_in);
+			break;
+		}
+	}
+
+	/* Find bulk out endpoint */
+	for (n = 0; n < iface_desc->desc.bNumEndpoints; n++) {
+		endpoint = &iface_desc->endpoint[n].desc;
+
+		if (usb_endpoint_is_bulk_out(endpoint)) {
+			data->bulk_out = endpoint->bEndpointAddress;
+			dev_dbg(&intf->dev, "Found Bulk out endpoint at %u\n",
+				data->bulk_out);
+			break;
+		}
+	}
+
+	retcode = get_capabilities(data);
+	if (retcode)
+		dev_err(&intf->dev, "can't read capabilities\n");
+	else
+		retcode = sysfs_create_group(&intf->dev.kobj,
+					     &capability_attr_grp);
+
+	retcode = sysfs_create_group(&intf->dev.kobj, &data_attr_grp);
+
+	retcode = usb_register_dev(intf, &usbtmc_class);
+	if (retcode) {
+		dev_err(&intf->dev, "Not able to get a minor"
+			" (base %u, slice default): %d\n", USBTMC_MINOR_BASE,
+			retcode);
+		goto error_register;
+	}
+	dev_dbg(&intf->dev, "Using minor number %d\n", intf->minor);
+
+	return 0;
+
+error_register:
+	sysfs_remove_group(&intf->dev.kobj, &capability_attr_grp);
+	sysfs_remove_group(&intf->dev.kobj, &data_attr_grp);
+	kref_put(&data->kref, usbtmc_delete);
+	return retcode;
+}
+
+static void usbtmc_disconnect(struct usb_interface *intf)
+{
+	struct usbtmc_device_data *data;
+
+	dev_dbg(&intf->dev, "usbtmc_disconnect called\n");
+
+	data = usb_get_intfdata(intf);
+	usb_deregister_dev(intf, &usbtmc_class);
+	sysfs_remove_group(&intf->dev.kobj, &capability_attr_grp);
+	sysfs_remove_group(&intf->dev.kobj, &data_attr_grp);
+	kref_put(&data->kref, usbtmc_delete);
+}
+
+static struct usb_driver usbtmc_driver = {
+	.name		= "usbtmc",
+	.id_table	= usbtmc_devices,
+	.probe		= usbtmc_probe,
+	.disconnect	= usbtmc_disconnect
+};
+
+static int __init usbtmc_init(void)
+{
+	int retcode;
+
+	retcode = usb_register(&usbtmc_driver);
+	if (retcode)
+		printk(KERN_ERR KBUILD_MODNAME": Unable to register driver\n");
+	return retcode;
+}
+module_init(usbtmc_init);
+
+static void __exit usbtmc_exit(void)
+{
+	usb_deregister(&usbtmc_driver);
+}
+module_exit(usbtmc_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild
index 42e84fc315e..29fd73b0bff 100644
--- a/include/linux/usb/Kbuild
+++ b/include/linux/usb/Kbuild
@@ -4,4 +4,4 @@ header-y += ch9.h
 header-y += gadgetfs.h
 header-y += midi.h
 header-y += g_printer.h
-
+header-y += tmc.h
diff --git a/include/linux/usb/tmc.h b/include/linux/usb/tmc.h
new file mode 100644
index 00000000000..c045ae12556
--- /dev/null
+++ b/include/linux/usb/tmc.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany
+ * Copyright (C) 2008 Novell, Inc.
+ * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
+ *
+ * This file holds USB constants defined by the USB Device Class
+ * Definition for Test and Measurement devices published by the USB-IF.
+ *
+ * It also has the ioctl definitions for the usbtmc kernel driver that
+ * userspace needs to know about.
+ */
+
+#ifndef __LINUX_USB_TMC_H
+#define __LINUX_USB_TMC_H
+
+/* USB TMC status values */
+#define USBTMC_STATUS_SUCCESS				0x01
+#define USBTMC_STATUS_PENDING				0x02
+#define USBTMC_STATUS_FAILED				0x80
+#define USBTMC_STATUS_TRANSFER_NOT_IN_PROGRESS		0x81
+#define USBTMC_STATUS_SPLIT_NOT_IN_PROGRESS		0x82
+#define USBTMC_STATUS_SPLIT_IN_PROGRESS			0x83
+
+/* USB TMC requests values */
+#define USBTMC_REQUEST_INITIATE_ABORT_BULK_OUT		1
+#define USBTMC_REQUEST_CHECK_ABORT_BULK_OUT_STATUS	2
+#define USBTMC_REQUEST_INITIATE_ABORT_BULK_IN		3
+#define USBTMC_REQUEST_CHECK_ABORT_BULK_IN_STATUS	4
+#define USBTMC_REQUEST_INITIATE_CLEAR			5
+#define USBTMC_REQUEST_CHECK_CLEAR_STATUS		6
+#define USBTMC_REQUEST_GET_CAPABILITIES			7
+#define USBTMC_REQUEST_INDICATOR_PULSE			64
+
+/* Request values for USBTMC driver's ioctl entry point */
+#define USBTMC_IOC_NR			91
+#define USBTMC_IOCTL_INDICATOR_PULSE	_IO(USBTMC_IOC_NR, 1)
+#define USBTMC_IOCTL_CLEAR		_IO(USBTMC_IOC_NR, 2)
+#define USBTMC_IOCTL_ABORT_BULK_OUT	_IO(USBTMC_IOC_NR, 3)
+#define USBTMC_IOCTL_ABORT_BULK_IN	_IO(USBTMC_IOC_NR, 4)
+#define USBTMC_IOCTL_CLEAR_OUT_HALT	_IO(USBTMC_IOC_NR, 6)
+#define USBTMC_IOCTL_CLEAR_IN_HALT	_IO(USBTMC_IOC_NR, 7)
+
+#endif
-- 
GitLab


From 49b707b90c7f7260beb8691fc5d99d71a5549ec0 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 16 Jul 2008 18:00:42 +0200
Subject: [PATCH 1159/2224] drivers/usb/class/usblp.c: adjust error handling
 code

In this code, it is possible to tell statically whether usblp will be NULL
in the error handling code.

Oliver Neukum suggested to make a goto to the final return rather than
return directly.

The semantic match that finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
identifier f,err,l,l1;
type T;
expression x,E;
statement S;
@@

x = NULL
... when != goto l1;
* x = f(...)
... when != x
err = E;
goto l;
...
* if (x != NULL)
  S
return err;
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/class/usblp.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 0647164d36d..68a2239cd0b 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -1076,15 +1076,16 @@ static int usblp_probe(struct usb_interface *intf,
 		       const struct usb_device_id *id)
 {
 	struct usb_device *dev = interface_to_usbdev (intf);
-	struct usblp *usblp = NULL;
+	struct usblp *usblp;
 	int protocol;
 	int retval;
 
 	/* Malloc and start initializing usblp structure so we can use it
 	 * directly. */
-	if (!(usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL))) {
+	usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL);
+	if (!usblp) {
 		retval = -ENOMEM;
-		goto abort;
+		goto abort_ret;
 	}
 	usblp->dev = dev;
 	mutex_init(&usblp->wmut);
@@ -1179,12 +1180,11 @@ abort_intfdata:
 	usb_set_intfdata (intf, NULL);
 	device_remove_file(&intf->dev, &dev_attr_ieee1284_id);
 abort:
-	if (usblp) {
-		kfree(usblp->readbuf);
-		kfree(usblp->statusbuf);
-		kfree(usblp->device_id_string);
-		kfree(usblp);
-	}
+	kfree(usblp->readbuf);
+	kfree(usblp->statusbuf);
+	kfree(usblp->device_id_string);
+	kfree(usblp);
+abort_ret:
 	return retval;
 }
 
-- 
GitLab


From 55b447bf79ad25591437d24b78caa9d0ae4fec82 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Tue, 29 Jul 2008 15:26:15 +0200
Subject: [PATCH 1160/2224] USB: kill URBs permanently

looking at usb_kill_urb() it seems to me that it is unnecessarily lenient.
In the use case of disconnect() you never want to use the URB again
(for the same device) But leaving urb->reject elevated will make it easier
to avoid races between read/write and disconnect.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/urb.c | 56 +++++++++++++++++++++++++++++++++++++-----
 include/linux/usb.h    |  2 ++
 2 files changed, 52 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 47111e88f79..a7945ab208c 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -522,6 +522,7 @@ int usb_unlink_urb(struct urb *urb)
 }
 EXPORT_SYMBOL_GPL(usb_unlink_urb);
 
+static DEFINE_MUTEX(usb_reject_mutex);
 /**
  * usb_kill_urb - cancel a transfer request and wait for it to finish
  * @urb: pointer to URB describing a previously submitted request,
@@ -544,24 +545,67 @@ EXPORT_SYMBOL_GPL(usb_unlink_urb);
  */
 void usb_kill_urb(struct urb *urb)
 {
-	static DEFINE_MUTEX(reject_mutex);
-
 	might_sleep();
 	if (!(urb && urb->dev && urb->ep))
 		return;
-	mutex_lock(&reject_mutex);
+	mutex_lock(&usb_reject_mutex);
 	++urb->reject;
-	mutex_unlock(&reject_mutex);
+	mutex_unlock(&usb_reject_mutex);
 
 	usb_hcd_unlink_urb(urb, -ENOENT);
 	wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
 
-	mutex_lock(&reject_mutex);
+	mutex_lock(&usb_reject_mutex);
 	--urb->reject;
-	mutex_unlock(&reject_mutex);
+	mutex_unlock(&usb_reject_mutex);
 }
 EXPORT_SYMBOL_GPL(usb_kill_urb);
 
+/**
+ * usb_poison_urb - reliably kill a transfer and prevent further use of an URB
+ * @urb: pointer to URB describing a previously submitted request,
+ *	may be NULL
+ *
+ * This routine cancels an in-progress request.  It is guaranteed that
+ * upon return all completion handlers will have finished and the URB
+ * will be totally idle and cannot be reused.  These features make
+ * this an ideal way to stop I/O in a disconnect() callback.
+ * If the request has not already finished or been unlinked
+ * the completion handler will see urb->status == -ENOENT.
+ *
+ * After and while the routine runs, attempts to resubmit the URB will fail
+ * with error -EPERM.  Thus even if the URB's completion handler always
+ * tries to resubmit, it will not succeed and the URB will become idle.
+ *
+ * This routine may not be used in an interrupt context (such as a bottom
+ * half or a completion handler), or when holding a spinlock, or in other
+ * situations where the caller can't schedule().
+ */
+void usb_poison_urb(struct urb *urb)
+{
+	might_sleep();
+	if (!(urb && urb->dev && urb->ep))
+		return;
+	mutex_lock(&usb_reject_mutex);
+	++urb->reject;
+	mutex_unlock(&usb_reject_mutex);
+
+	usb_hcd_unlink_urb(urb, -ENOENT);
+	wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
+}
+EXPORT_SYMBOL_GPL(usb_poison_urb);
+
+void usb_unpoison_urb(struct urb *urb)
+{
+	if (!urb)
+		return;
+
+	mutex_lock(&usb_reject_mutex);
+	--urb->reject;
+	mutex_unlock(&usb_reject_mutex);
+}
+EXPORT_SYMBOL_GPL(usb_unpoison_urb);
+
 /**
  * usb_kill_anchored_urbs - cancel transfer requests en masse
  * @anchor: anchor the requests are bound to
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 94ac74aba6b..3371c91e7ff 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1459,6 +1459,8 @@ extern struct urb *usb_get_urb(struct urb *urb);
 extern int usb_submit_urb(struct urb *urb, gfp_t mem_flags);
 extern int usb_unlink_urb(struct urb *urb);
 extern void usb_kill_urb(struct urb *urb);
+extern void usb_poison_urb(struct urb *urb);
+extern void usb_unpoison_urb(struct urb *urb);
 extern void usb_kill_anchored_urbs(struct usb_anchor *anchor);
 extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor);
 extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor);
-- 
GitLab


From 6a2839bedc1502b3f0366cc3ad1099a1d92cf8fb Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Tue, 29 Jul 2008 16:18:47 +0200
Subject: [PATCH 1161/2224] USB: extend poisoning to anchors

this extends the poisoning concept to anchors. This way poisoning
will work with fire and forget drivers.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/urb.c | 57 +++++++++++++++++++++++++++++++++++-------
 include/linux/usb.h    |  2 ++
 2 files changed, 50 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index a7945ab208c..eebc070c3cc 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -10,6 +10,8 @@
 
 #define to_urb(d) container_of(d, struct urb, kref)
 
+static DEFINE_SPINLOCK(usb_reject_lock);
+
 static void urb_destroy(struct kref *kref)
 {
 	struct urb *urb = to_urb(kref);
@@ -127,6 +129,13 @@ void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor)
 	usb_get_urb(urb);
 	list_add_tail(&urb->anchor_list, &anchor->urb_list);
 	urb->anchor = anchor;
+
+	if (unlikely(anchor->poisoned)) {
+		spin_lock(&usb_reject_lock);
+		urb->reject++;
+		spin_unlock(&usb_reject_lock);
+	}
+
 	spin_unlock_irqrestore(&anchor->lock, flags);
 }
 EXPORT_SYMBOL_GPL(usb_anchor_urb);
@@ -522,7 +531,6 @@ int usb_unlink_urb(struct urb *urb)
 }
 EXPORT_SYMBOL_GPL(usb_unlink_urb);
 
-static DEFINE_MUTEX(usb_reject_mutex);
 /**
  * usb_kill_urb - cancel a transfer request and wait for it to finish
  * @urb: pointer to URB describing a previously submitted request,
@@ -548,16 +556,16 @@ void usb_kill_urb(struct urb *urb)
 	might_sleep();
 	if (!(urb && urb->dev && urb->ep))
 		return;
-	mutex_lock(&usb_reject_mutex);
+	spin_lock_irq(&usb_reject_lock);
 	++urb->reject;
-	mutex_unlock(&usb_reject_mutex);
+	spin_unlock_irq(&usb_reject_lock);
 
 	usb_hcd_unlink_urb(urb, -ENOENT);
 	wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
 
-	mutex_lock(&usb_reject_mutex);
+	spin_lock_irq(&usb_reject_lock);
 	--urb->reject;
-	mutex_unlock(&usb_reject_mutex);
+	spin_unlock_irq(&usb_reject_lock);
 }
 EXPORT_SYMBOL_GPL(usb_kill_urb);
 
@@ -586,9 +594,9 @@ void usb_poison_urb(struct urb *urb)
 	might_sleep();
 	if (!(urb && urb->dev && urb->ep))
 		return;
-	mutex_lock(&usb_reject_mutex);
+	spin_lock_irq(&usb_reject_lock);
 	++urb->reject;
-	mutex_unlock(&usb_reject_mutex);
+	spin_unlock_irq(&usb_reject_lock);
 
 	usb_hcd_unlink_urb(urb, -ENOENT);
 	wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0);
@@ -597,12 +605,14 @@ EXPORT_SYMBOL_GPL(usb_poison_urb);
 
 void usb_unpoison_urb(struct urb *urb)
 {
+	unsigned long flags;
+
 	if (!urb)
 		return;
 
-	mutex_lock(&usb_reject_mutex);
+	spin_lock_irqsave(&usb_reject_lock, flags);
 	--urb->reject;
-	mutex_unlock(&usb_reject_mutex);
+	spin_unlock_irqrestore(&usb_reject_lock, flags);
 }
 EXPORT_SYMBOL_GPL(usb_unpoison_urb);
 
@@ -633,6 +643,35 @@ void usb_kill_anchored_urbs(struct usb_anchor *anchor)
 }
 EXPORT_SYMBOL_GPL(usb_kill_anchored_urbs);
 
+
+/**
+ * usb_poison_anchored_urbs - cease all traffic from an anchor
+ * @anchor: anchor the requests are bound to
+ *
+ * this allows all outstanding URBs to be poisoned starting
+ * from the back of the queue. Newly added URBs will also be
+ * poisoned
+ */
+void usb_poison_anchored_urbs(struct usb_anchor *anchor)
+{
+	struct urb *victim;
+
+	spin_lock_irq(&anchor->lock);
+	anchor->poisoned = 1;
+	while (!list_empty(&anchor->urb_list)) {
+		victim = list_entry(anchor->urb_list.prev, struct urb,
+				    anchor_list);
+		/* we must make sure the URB isn't freed before we kill it*/
+		usb_get_urb(victim);
+		spin_unlock_irq(&anchor->lock);
+		/* this will unanchor the URB */
+		usb_poison_urb(victim);
+		usb_put_urb(victim);
+		spin_lock_irq(&anchor->lock);
+	}
+	spin_unlock_irq(&anchor->lock);
+}
+EXPORT_SYMBOL_GPL(usb_poison_anchored_urbs);
 /**
  * usb_unlink_anchored_urbs - asynchronously cancel transfer requests en masse
  * @anchor: anchor the requests are bound to
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 3371c91e7ff..d97927970f5 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1135,6 +1135,7 @@ struct usb_anchor {
 	struct list_head urb_list;
 	wait_queue_head_t wait;
 	spinlock_t lock;
+	unsigned int poisoned:1;
 };
 
 static inline void init_usb_anchor(struct usb_anchor *anchor)
@@ -1462,6 +1463,7 @@ extern void usb_kill_urb(struct urb *urb);
 extern void usb_poison_urb(struct urb *urb);
 extern void usb_unpoison_urb(struct urb *urb);
 extern void usb_kill_anchored_urbs(struct usb_anchor *anchor);
+extern void usb_poison_anchored_urbs(struct usb_anchor *anchor);
 extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor);
 extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor);
 extern void usb_unanchor_urb(struct urb *urb);
-- 
GitLab


From 7dbcbe88b1495f778f56c742391e49f580dc101a Mon Sep 17 00:00:00 2001
From: Pete Zaitcev <zaitcev@redhat.com>
Date: Mon, 4 Aug 2008 17:15:40 -0600
Subject: [PATCH 1162/2224] ub: remove sg_stat

Remove forgotten code related to sg_stat[].

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/block/ub.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 3a281ef11ff..f60e41833f6 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -349,8 +349,6 @@ struct ub_dev {
 
 	struct work_struct reset_work;
 	wait_queue_head_t reset_wait;
-
-	int sg_stat[6];
 };
 
 /*
@@ -685,7 +683,6 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq)
 		goto drop;
 	}
 	urq->nsg = n_elem;
-	sc->sg_stat[n_elem < 5 ? n_elem : 5]++;
 
 	if (blk_pc_request(rq)) {
 		ub_cmd_build_packet(sc, lun, cmd, urq);
-- 
GitLab


From 27140219373327f2291da5d74a78db0105b15060 Mon Sep 17 00:00:00 2001
From: Marc Zyngier <maz@misterjones.org>
Date: Mon, 18 Aug 2008 13:08:42 +0200
Subject: [PATCH 1163/2224] USB: Let some USB host controllers get IRQ flags
 from resource

[This version fixes a thinko in the r8a66597 driver]

This patch let a few discrete USB host controllers drivers (isp116x-hcd,
r8a66597-hcd and sl811-hcd) obtain IRQ flags from their IORESOURCE_IRQ
resource if configured as such, much like it's been done for the smc91x
driver.

It spares people writing support for specific boards the burden to
configure the interrupt controller independantly, and keeps all IRQ
related information in a single resource.

HCD that are integrally part of a SoC have been left aside, as there
is probably no "wiring" options...

Tested on an Xscale PXA-255 based platform with isp116x-hcd.

Signed-off-by: Marc Zyngier <marc.zyngier@altran.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/isp116x-hcd.c  | 13 +++++++----
 drivers/usb/host/r8a66597-hcd.c | 41 +++++++++++++++++++++++++--------
 drivers/usb/host/sl811-hcd.c    | 15 ++++++++----
 3 files changed, 52 insertions(+), 17 deletions(-)

diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index ce1ca0ba051..4dda31b2689 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1562,11 +1562,12 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd;
 	struct isp116x *isp116x;
-	struct resource *addr, *data;
+	struct resource *addr, *data, *ires;
 	void __iomem *addr_reg;
 	void __iomem *data_reg;
 	int irq;
 	int ret = 0;
+	unsigned long irqflags;
 
 	if (pdev->num_resources < 3) {
 		ret = -ENODEV;
@@ -1575,12 +1576,16 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
 
 	data = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	addr = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	irq = platform_get_irq(pdev, 0);
-	if (!addr || !data || irq < 0) {
+	ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+
+	if (!addr || !data || !ires) {
 		ret = -ENODEV;
 		goto err1;
 	}
 
+	irq = ires->start;
+	irqflags = ires->flags & IRQF_TRIGGER_MASK;
+
 	if (pdev->dev.dma_mask) {
 		DBG("DMA not supported\n");
 		ret = -EINVAL;
@@ -1634,7 +1639,7 @@ static int __devinit isp116x_probe(struct platform_device *pdev)
 		goto err6;
 	}
 
-	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	ret = usb_add_hcd(hcd, irq, irqflags | IRQF_DISABLED);
 	if (ret)
 		goto err6;
 
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index ea7126f99ca..3a45ad275b4 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -66,7 +66,7 @@ static unsigned short endian;
 module_param(endian, ushort, 0644);
 MODULE_PARM_DESC(endian, "data endian: big=256, little=0 (default=0)");
 
-static unsigned short irq_sense = INTL;
+static unsigned short irq_sense = 0xff;
 module_param(irq_sense, ushort, 0644);
 MODULE_PARM_DESC(irq_sense, "IRQ sense: low level=32, falling edge=0 "
 		"(default=32)");
@@ -2263,7 +2263,7 @@ static int __init_or_module r8a66597_remove(struct platform_device *pdev)
 #define resource_len(r) (((r)->end - (r)->start) + 1)
 static int __init r8a66597_probe(struct platform_device *pdev)
 {
-	struct resource *res = NULL;
+	struct resource *res = NULL, *ires;
 	int irq = -1;
 	void __iomem *reg = NULL;
 	struct usb_hcd *hcd = NULL;
@@ -2286,13 +2286,16 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 		goto clean_up;
 	}
 
-	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
+	ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!ires) {
 		ret = -ENODEV;
-		err("platform_get_irq error.");
+		err("platform_get_resource IORESOURCE_IRQ error.");
 		goto clean_up;
 	}
 
+	irq = ires->start;
+	irq_trigger = ires->flags & IRQF_TRIGGER_MASK;
+
 	reg = ioremap(res->start, resource_len(res));
 	if (reg == NULL) {
 		ret = -ENOMEM;
@@ -2329,10 +2332,30 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 	INIT_LIST_HEAD(&r8a66597->child_device);
 
 	hcd->rsrc_start = res->start;
-	if (irq_sense == INTL)
-		irq_trigger = IRQF_TRIGGER_LOW;
-	else
-		irq_trigger = IRQF_TRIGGER_FALLING;
+
+	/* irq_sense setting on cmdline takes precedence over resource
+	 * settings, so the introduction of irqflags in IRQ resourse
+	 * won't disturb existing setups */
+	switch (irq_sense) {
+		case INTL:
+			irq_trigger = IRQF_TRIGGER_LOW;
+			break;
+		case 0:
+			irq_trigger = IRQF_TRIGGER_FALLING;
+			break;
+		case 0xff:
+			if (irq_trigger)
+				irq_sense = (irq_trigger & IRQF_TRIGGER_LOW) ?
+					    INTL : 0;
+			else {
+				irq_sense = INTL;
+				irq_trigger = IRQF_TRIGGER_LOW;
+			}
+			break;
+		default:
+			err("Unknown irq_sense value.");
+	}
+
 	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
 	if (ret != 0) {
 		err("Failed to add hcd");
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 8a74bbb57d0..e106e9d48d4 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1620,22 +1620,26 @@ sl811h_probe(struct platform_device *dev)
 {
 	struct usb_hcd		*hcd;
 	struct sl811		*sl811;
-	struct resource		*addr, *data;
+	struct resource		*addr, *data, *ires;
 	int			irq;
 	void __iomem		*addr_reg;
 	void __iomem		*data_reg;
 	int			retval;
 	u8			tmp, ioaddr = 0;
+	unsigned long		irqflags;
 
 	/* basic sanity checks first.  board-specific init logic should
 	 * have initialized these three resources and probably board
 	 * specific platform_data.  we don't probe for IRQs, and do only
 	 * minimal sanity checking.
 	 */
-	irq = platform_get_irq(dev, 0);
-	if (dev->num_resources < 3 || irq < 0)
+	ires = platform_get_resource(dev, IORESOURCE_IRQ, 0);
+	if (dev->num_resources < 3 || !ires)
 		return -ENODEV;
 
+	irq = ires->start;
+	irqflags = ires->flags & IRQF_TRIGGER_MASK;
+
 	/* refuse to confuse usbcore */
 	if (dev->dev.dma_mask) {
 		DBG("no we won't dma\n");
@@ -1717,8 +1721,11 @@ sl811h_probe(struct platform_device *dev)
 	 * triggers (e.g. most ARM CPUs).  Initial driver stress testing
 	 * was on a system with single edge triggering, so most sorts of
 	 * triggering arrangement should work.
+	 *
+	 * Use resource IRQ flags if set by platform device setup.
 	 */
-	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+	irqflags |= IRQF_SHARED;
+	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | irqflags);
 	if (retval != 0)
 		goto err6;
 
-- 
GitLab


From a7a19fac8a9fbc0182fb1b464848a31529c39433 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Thu, 14 Aug 2008 17:04:48 -0700
Subject: [PATCH 1164/2224] usb: gadget Kconfig cleanup

This reorders the list of USB peripheral controller drivers so it's
more common for the initial (default) value to be relevant:  put the
SOC integrated silicon up front, discrete stuff last.  Alphabetize.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/Kconfig | 265 ++++++++++++++++++++-----------------
 1 file changed, 144 insertions(+), 121 deletions(-)

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index acc95b2ac6f..5dda2dc708d 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -85,6 +85,13 @@ config	USB_GADGET_SELECTED
 #
 # USB Peripheral Controller Support
 #
+# The order here is alphabetical, except that integrated controllers go
+# before discrete ones so they will be the initial/default value:
+#   - integrated/SOC controllers first
+#   - licensed IP used in both SOC and discrete versions
+#   - discrete ones (including all PCI-only controllers)
+#   - debug/dummy gadget+hcd is last.
+#
 choice
 	prompt "USB Peripheral Controller"
 	depends on USB_GADGET
@@ -94,26 +101,27 @@ choice
 	   Many controller drivers are platform-specific; these
 	   often need board-specific hooks.
 
-config USB_GADGET_AMD5536UDC
-	boolean "AMD5536 UDC"
-	depends on PCI
-	select USB_GADGET_DUALSPEED
+#
+# Integrated controllers
+#
+
+config USB_GADGET_AT91
+	boolean "Atmel AT91 USB Device Port"
+	depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9
+	select USB_GADGET_SELECTED
 	help
-	   The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.
-	   It is a USB Highspeed DMA capable USB device controller. Beside ep0
-	   it provides 4 IN and 4 OUT endpoints (bulk or interrupt type).
-	   The UDC port supports OTG operation, and may be used as a host port
-	   if it's not being used to implement peripheral or OTG roles.
+	   Many Atmel AT91 processors (such as the AT91RM2000) have a
+	   full speed USB Device Port with support for five configurable
+	   endpoints (plus endpoint zero).
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "amd5536udc" and force all
+	   dynamically linked module called "at91_udc" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_AMD5536UDC
+config USB_AT91
 	tristate
-	depends on USB_GADGET_AMD5536UDC
+	depends on USB_GADGET_AT91
 	default USB_GADGET
-	select USB_GADGET_SELECTED
 
 config USB_GADGET_ATMEL_USBA
 	boolean "Atmel USBA"
@@ -150,28 +158,50 @@ config USB_FSL_USB2
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_GADGET_NET2280
-	boolean "NetChip 228x"
-	depends on PCI
-	select USB_GADGET_DUALSPEED
+config USB_GADGET_LH7A40X
+	boolean "LH7A40X"
+	depends on ARCH_LH7A40X
 	help
-	   NetChip 2280 / 2282 is a PCI based USB peripheral controller which
-	   supports both full and high speed USB 2.0 data transfers.  
-	   
-	   It has six configurable endpoints, as well as endpoint zero
-	   (for control transfers) and several endpoints with dedicated
-	   functions.
+	   This driver provides USB Device Controller driver for LH7A40x
+
+config USB_LH7A40X
+	tristate
+	depends on USB_GADGET_LH7A40X
+	default USB_GADGET
+	select USB_GADGET_SELECTED
+
+config USB_GADGET_OMAP
+	boolean "OMAP USB Device Controller"
+	depends on ARCH_OMAP
+	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3
+	help
+	   Many Texas Instruments OMAP processors have flexible full
+	   speed USB device controllers, with support for up to 30
+	   endpoints (plus endpoint zero).  This driver supports the
+	   controller in the OMAP 1611, and should work with controllers
+	   in other OMAP processors too, given minor tweaks.
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "net2280" and force all
+	   dynamically linked module called "omap_udc" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_NET2280
+config USB_OMAP
 	tristate
-	depends on USB_GADGET_NET2280
+	depends on USB_GADGET_OMAP
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_OTG
+	boolean "OTG Support"
+	depends on USB_GADGET_OMAP && ARCH_OMAP_OTG && USB_OHCI_HCD
+	help
+	   The most notable feature of USB OTG is support for a
+	   "Dual-Role" device, which can act as either a device
+	   or a host.  The initial role choice can be changed
+	   later, when two dual-role devices talk to each other.
+
+	   Select this only if your OMAP board has a Mini-AB connector.
+
 config USB_GADGET_PXA25X
 	boolean "PXA 25x or IXP 4xx"
 	depends on (ARCH_PXA && PXA25x) || ARCH_IXP4XX
@@ -203,34 +233,6 @@ config USB_PXA25X_SMALL
 	default y if USB_ETH
 	default y if USB_G_SERIAL
 
-config USB_GADGET_M66592
-	boolean "Renesas M66592 USB Peripheral Controller"
-	select USB_GADGET_DUALSPEED
-	help
-	   M66592 is a discrete USB peripheral controller chip that
-	   supports both full and high speed USB 2.0 data transfers.
-	   It has seven configurable endpoints, and endpoint zero.
-
-	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "m66592_udc" and force all
-	   gadget drivers to also be dynamically linked.
-
-config USB_M66592
-	tristate
-	depends on USB_GADGET_M66592
-	default USB_GADGET
-	select USB_GADGET_SELECTED
-
-config SUPERH_BUILT_IN_M66592
-	boolean "Enable SuperH built-in USB like the M66592"
-	depends on USB_GADGET_M66592 && CPU_SUBTYPE_SH7722
-	help
-	   SH7722 has USB like the M66592.
-
-	   The transfer rate is very slow when use "Ethernet Gadget".
-	   However, this problem is improved if change a value of
-	   NET_IP_ALIGN to 4.
-
 config USB_GADGET_PXA27X
 	boolean "PXA 27x"
 	depends on ARCH_PXA && PXA27x
@@ -251,40 +253,32 @@ config USB_PXA27X
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_GADGET_GOKU
-	boolean "Toshiba TC86C001 'Goku-S'"
-	depends on PCI
+config USB_GADGET_S3C2410
+	boolean "S3C2410 USB Device Controller"
+	depends on ARCH_S3C2410
 	help
-	   The Toshiba TC86C001 is a PCI device which includes controllers
-	   for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI).
-	   
-	   The device controller has three configurable (bulk or interrupt)
-	   endpoints, plus endpoint zero (for control transfers).
+	  Samsung's S3C2410 is an ARM-4 processor with an integrated
+	  full speed USB 1.1 device controller.  It has 4 configurable
+	  endpoints, as well as endpoint zero (for control transfers).
 
-	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "goku_udc" and to force all
-	   gadget drivers to also be dynamically linked.
+	  This driver has been tested on the S3C2410, S3C2412, and
+	  S3C2440 processors.
 
-config USB_GOKU
+config USB_S3C2410
 	tristate
-	depends on USB_GADGET_GOKU
+	depends on USB_GADGET_S3C2410
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_S3C2410_DEBUG
+	boolean "S3C2410 udc debug messages"
+	depends on USB_GADGET_S3C2410
 
-config USB_GADGET_LH7A40X
-	boolean "LH7A40X"
-	depends on ARCH_LH7A40X
-	help
-    This driver provides USB Device Controller driver for LH7A40x
-
-config USB_LH7A40X
-	tristate
-	depends on USB_GADGET_LH7A40X
-	default USB_GADGET
-	select USB_GADGET_SELECTED
+#
+# Controllers available in both integrated and discrete versions
+#
 
-# built in ../musb along with host support
+# musb builds in ../musb along with host support
 config USB_GADGET_MUSB_HDRC
 	boolean "Inventra HDRC USB Peripheral (TI, ...)"
 	depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG)
@@ -294,76 +288,105 @@ config USB_GADGET_MUSB_HDRC
 	  This OTG-capable silicon IP is used in dual designs including
 	  the TI DaVinci, OMAP 243x, OMAP 343x, and TUSB 6010.
 
-config USB_GADGET_OMAP
-	boolean "OMAP USB Device Controller"
-	depends on ARCH_OMAP
-	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3
+config USB_GADGET_M66592
+	boolean "Renesas M66592 USB Peripheral Controller"
+	select USB_GADGET_DUALSPEED
 	help
-	   Many Texas Instruments OMAP processors have flexible full
-	   speed USB device controllers, with support for up to 30
-	   endpoints (plus endpoint zero).  This driver supports the
-	   controller in the OMAP 1611, and should work with controllers
-	   in other OMAP processors too, given minor tweaks.
+	   M66592 is a discrete USB peripheral controller chip that
+	   supports both full and high speed USB 2.0 data transfers.
+	   It has seven configurable endpoints, and endpoint zero.
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "omap_udc" and force all
+	   dynamically linked module called "m66592_udc" and force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_OMAP
+config USB_M66592
 	tristate
-	depends on USB_GADGET_OMAP
+	depends on USB_GADGET_M66592
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_OTG
-	boolean "OTG Support"
-	depends on USB_GADGET_OMAP && ARCH_OMAP_OTG && USB_OHCI_HCD
+config SUPERH_BUILT_IN_M66592
+	boolean "Enable SuperH built-in USB like the M66592"
+	depends on USB_GADGET_M66592 && CPU_SUBTYPE_SH7722
 	help
-	   The most notable feature of USB OTG is support for a
-	   "Dual-Role" device, which can act as either a device
-	   or a host.  The initial role choice can be changed
-	   later, when two dual-role devices talk to each other.
+	   SH7722 has USB like the M66592.
 
-	   Select this only if your OMAP board has a Mini-AB connector.
+	   The transfer rate is very slow when use "Ethernet Gadget".
+	   However, this problem is improved if change a value of
+	   NET_IP_ALIGN to 4.
 
-config USB_GADGET_S3C2410
-	boolean "S3C2410 USB Device Controller"
-	depends on ARCH_S3C2410
+#
+# Controllers available only in discrete form (and all PCI controllers)
+#
+
+config USB_GADGET_AMD5536UDC
+	boolean "AMD5536 UDC"
+	depends on PCI
+	select USB_GADGET_DUALSPEED
 	help
-	  Samsung's S3C2410 is an ARM-4 processor with an integrated
-	  full speed USB 1.1 device controller.  It has 4 configurable
-	  endpoints, as well as endpoint zero (for control transfers).
+	   The AMD5536 UDC is part of the AMD Geode CS5536, an x86 southbridge.
+	   It is a USB Highspeed DMA capable USB device controller. Beside ep0
+	   it provides 4 IN and 4 OUT endpoints (bulk or interrupt type).
+	   The UDC port supports OTG operation, and may be used as a host port
+	   if it's not being used to implement peripheral or OTG roles.
 
-	  This driver has been tested on the S3C2410, S3C2412, and
-	  S3C2440 processors.
+	   Say "y" to link the driver statically, or "m" to build a
+	   dynamically linked module called "amd5536udc" and force all
+	   gadget drivers to also be dynamically linked.
 
-config USB_S3C2410
+config USB_AMD5536UDC
 	tristate
-	depends on USB_GADGET_S3C2410
+	depends on USB_GADGET_AMD5536UDC
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-config USB_S3C2410_DEBUG
-	boolean "S3C2410 udc debug messages"
-	depends on USB_GADGET_S3C2410
+config USB_GADGET_NET2280
+	boolean "NetChip 228x"
+	depends on PCI
+	select USB_GADGET_DUALSPEED
+	help
+	   NetChip 2280 / 2282 is a PCI based USB peripheral controller which
+	   supports both full and high speed USB 2.0 data transfers.
 
-config USB_GADGET_AT91
-	boolean "AT91 USB Device Port"
-	depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9
+	   It has six configurable endpoints, as well as endpoint zero
+	   (for control transfers) and several endpoints with dedicated
+	   functions.
+
+	   Say "y" to link the driver statically, or "m" to build a
+	   dynamically linked module called "net2280" and force all
+	   gadget drivers to also be dynamically linked.
+
+config USB_NET2280
+	tristate
+	depends on USB_GADGET_NET2280
+	default USB_GADGET
 	select USB_GADGET_SELECTED
+
+config USB_GADGET_GOKU
+	boolean "Toshiba TC86C001 'Goku-S'"
+	depends on PCI
 	help
-	   Many Atmel AT91 processors (such as the AT91RM2000) have a
-	   full speed USB Device Port with support for five configurable
-	   endpoints (plus endpoint zero).
+	   The Toshiba TC86C001 is a PCI device which includes controllers
+	   for full speed USB devices, IDE, I2C, SIO, plus a USB host (OHCI).
+
+	   The device controller has three configurable (bulk or interrupt)
+	   endpoints, plus endpoint zero (for control transfers).
 
 	   Say "y" to link the driver statically, or "m" to build a
-	   dynamically linked module called "at91_udc" and force all
+	   dynamically linked module called "goku_udc" and to force all
 	   gadget drivers to also be dynamically linked.
 
-config USB_AT91
+config USB_GOKU
 	tristate
-	depends on USB_GADGET_AT91
+	depends on USB_GADGET_GOKU
 	default USB_GADGET
+	select USB_GADGET_SELECTED
+
+
+#
+# LAST -- dummy/emulated controller
+#
 
 config USB_GADGET_DUMMY_HCD
 	boolean "Dummy HCD (DEVELOPMENT)"
-- 
GitLab


From 851a526dcf97964265cadcc6664a9f0ff7c143c7 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 14 Aug 2008 15:48:30 -0400
Subject: [PATCH 1165/2224] USB: gadget: dummy_hcd: implement set_wedge

This patch (as1131) implements the set_wedge() method for dummy_hcd.
This method is necessary for strict USBCV compliance in
g_file_storage.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/dummy_hcd.c | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 7600a0c7875..9064696636a 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -82,6 +82,7 @@ struct dummy_ep {
 	const struct usb_endpoint_descriptor *desc;
 	struct usb_ep			ep;
 	unsigned			halted : 1;
+	unsigned			wedged : 1;
 	unsigned			already_seen : 1;
 	unsigned			setup_stage : 1;
 };
@@ -436,6 +437,7 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 	/* at this point real hardware should be NAKing transfers
 	 * to that endpoint, until a buffer is queued to it.
 	 */
+	ep->halted = ep->wedged = 0;
 	retval = 0;
 done:
 	return retval;
@@ -597,7 +599,7 @@ static int dummy_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 }
 
 static int
-dummy_set_halt (struct usb_ep *_ep, int value)
+dummy_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged)
 {
 	struct dummy_ep		*ep;
 	struct dummy		*dum;
@@ -609,16 +611,32 @@ dummy_set_halt (struct usb_ep *_ep, int value)
 	if (!dum->driver)
 		return -ESHUTDOWN;
 	if (!value)
-		ep->halted = 0;
+		ep->halted = ep->wedged = 0;
 	else if (ep->desc && (ep->desc->bEndpointAddress & USB_DIR_IN) &&
 			!list_empty (&ep->queue))
 		return -EAGAIN;
-	else
+	else {
 		ep->halted = 1;
+		if (wedged)
+			ep->wedged = 1;
+	}
 	/* FIXME clear emulated data toggle too */
 	return 0;
 }
 
+static int
+dummy_set_halt(struct usb_ep *_ep, int value)
+{
+	return dummy_set_halt_and_wedge(_ep, value, 0);
+}
+
+static int dummy_set_wedge(struct usb_ep *_ep)
+{
+	if (!_ep || _ep->name == ep0name)
+		return -EINVAL;
+	return dummy_set_halt_and_wedge(_ep, 1, 1);
+}
+
 static const struct usb_ep_ops dummy_ep_ops = {
 	.enable		= dummy_enable,
 	.disable	= dummy_disable,
@@ -630,6 +648,7 @@ static const struct usb_ep_ops dummy_ep_ops = {
 	.dequeue	= dummy_dequeue,
 
 	.set_halt	= dummy_set_halt,
+	.set_wedge	= dummy_set_wedge,
 };
 
 /*-------------------------------------------------------------------------*/
@@ -760,7 +779,8 @@ usb_gadget_register_driver (struct usb_gadget_driver *driver)
 		ep->ep.name = ep_name [i];
 		ep->ep.ops = &dummy_ep_ops;
 		list_add_tail (&ep->ep.ep_list, &dum->gadget.ep_list);
-		ep->halted = ep->already_seen = ep->setup_stage = 0;
+		ep->halted = ep->wedged = ep->already_seen =
+				ep->setup_stage = 0;
 		ep->ep.maxpacket = ~0;
 		ep->last_io = jiffies;
 		ep->gadget = &dum->gadget;
@@ -1351,7 +1371,7 @@ restart:
 				} else if (setup.bRequestType == Ep_Request) {
 					// endpoint halt
 					ep2 = find_endpoint (dum, w_index);
-					if (!ep2) {
+					if (!ep2 || ep2->ep.name == ep0name) {
 						value = -EOPNOTSUPP;
 						break;
 					}
@@ -1380,7 +1400,8 @@ restart:
 						value = -EOPNOTSUPP;
 						break;
 					}
-					ep2->halted = 0;
+					if (!ep2->wedged)
+						ep2->halted = 0;
 					value = 0;
 					status = 0;
 				}
-- 
GitLab


From 8066134ff8140ae9d8d15cdad3fc6c60c2a8a4e5 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 14 Aug 2008 15:49:11 -0400
Subject: [PATCH 1166/2224] USB: gadget: net2280: implement set_wedge

This patch (as1132) implements the set_wedge() method for net2280.
This method is necessary for strict USBCV compliance in
g_file_storage.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/net2280.c | 40 ++++++++++++++++++++++++++++++------
 drivers/usb/gadget/net2280.h |  1 +
 2 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 5cfb5ebf388..8ae70de2c37 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -178,6 +178,7 @@ net2280_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 
 	/* ep_reset() has already been called */
 	ep->stopped = 0;
+	ep->wedged = 0;
 	ep->out_overflow = 0;
 
 	/* set speed-dependent max packet; may kick in high bandwidth */
@@ -1218,7 +1219,7 @@ static int net2280_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 static int net2280_fifo_status (struct usb_ep *_ep);
 
 static int
-net2280_set_halt (struct usb_ep *_ep, int value)
+net2280_set_halt_and_wedge(struct usb_ep *_ep, int value, int wedged)
 {
 	struct net2280_ep	*ep;
 	unsigned long		flags;
@@ -1239,16 +1240,21 @@ net2280_set_halt (struct usb_ep *_ep, int value)
 	else if (ep->is_in && value && net2280_fifo_status (_ep) != 0)
 		retval = -EAGAIN;
 	else {
-		VDEBUG (ep->dev, "%s %s halt\n", _ep->name,
-				value ? "set" : "clear");
+		VDEBUG (ep->dev, "%s %s %s\n", _ep->name,
+				value ? "set" : "clear",
+				wedged ? "wedge" : "halt");
 		/* set/clear, then synch memory views with the device */
 		if (value) {
 			if (ep->num == 0)
 				ep->dev->protocol_stall = 1;
 			else
 				set_halt (ep);
-		} else
+			if (wedged)
+				ep->wedged = 1;
+		} else {
 			clear_halt (ep);
+			ep->wedged = 0;
+		}
 		(void) readl (&ep->regs->ep_rsp);
 	}
 	spin_unlock_irqrestore (&ep->dev->lock, flags);
@@ -1256,6 +1262,20 @@ net2280_set_halt (struct usb_ep *_ep, int value)
 	return retval;
 }
 
+static int
+net2280_set_halt(struct usb_ep *_ep, int value)
+{
+	return net2280_set_halt_and_wedge(_ep, value, 0);
+}
+
+static int
+net2280_set_wedge(struct usb_ep *_ep)
+{
+	if (!_ep || _ep->name == ep0name)
+		return -EINVAL;
+	return net2280_set_halt_and_wedge(_ep, 1, 1);
+}
+
 static int
 net2280_fifo_status (struct usb_ep *_ep)
 {
@@ -1302,6 +1322,7 @@ static const struct usb_ep_ops net2280_ep_ops = {
 	.dequeue	= net2280_dequeue,
 
 	.set_halt	= net2280_set_halt,
+	.set_wedge	= net2280_set_wedge,
 	.fifo_status	= net2280_fifo_status,
 	.fifo_flush	= net2280_fifo_flush,
 };
@@ -2410,9 +2431,14 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 				goto do_stall;
 			if ((e = get_ep_by_addr (dev, w_index)) == 0)
 				goto do_stall;
-			clear_halt (e);
+			if (e->wedged) {
+				VDEBUG(dev, "%s wedged, halt not cleared\n",
+						ep->ep.name);
+			} else {
+				VDEBUG(dev, "%s clear halt\n", ep->ep.name);
+				clear_halt(e);
+			}
 			allow_status (ep);
-			VDEBUG (dev, "%s clear halt\n", ep->ep.name);
 			goto next_endpoints;
 			}
 			break;
@@ -2427,6 +2453,8 @@ static void handle_stat0_irqs (struct net2280 *dev, u32 stat)
 				goto do_stall;
 			if ((e = get_ep_by_addr (dev, w_index)) == 0)
 				goto do_stall;
+			if (e->ep.name == ep0name)
+				goto do_stall;
 			set_halt (e);
 			allow_status (ep);
 			VDEBUG (dev, "%s set halt\n", ep->ep.name);
diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h
index 81a71dbdc2c..c36852263d9 100644
--- a/drivers/usb/gadget/net2280.h
+++ b/drivers/usb/gadget/net2280.h
@@ -109,6 +109,7 @@ struct net2280_ep {
 						in_fifo_validate : 1,
 						out_overflow : 1,
 						stopped : 1,
+						wedged : 1,
 						is_in : 1,
 						is_iso : 1,
 						responded : 1;
-- 
GitLab


From 60beed95e38793c0baff7f94433c1f639d8d5efd Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Mon, 18 Aug 2008 17:38:22 -0700
Subject: [PATCH 1167/2224] usb gadget: function activation/deactivation

Add a new mechanism to the composite gadget framework, letting
functions deactivate (and reactivate) themselves.  Think of it
as a refcounted wrapper for the software pullup control.

A key example of why to use this mechanism involves functions that
require a userspace daemon.  Those functions shuld use this new
mechanism to prevent the gadget from enumerating until those daemons
are activated.  Without this mechanism, hosts would see devices that
malfunction until the relevant daemons start.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/composite.c | 64 ++++++++++++++++++++++++++++++++++
 include/linux/usb/composite.h  | 11 ++++--
 2 files changed, 73 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 85c876c1f15..f79fdb839cb 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -127,6 +127,70 @@ done:
 	return value;
 }
 
+/**
+ * usb_function_deactivate - prevent function and gadget enumeration
+ * @function: the function that isn't yet ready to respond
+ *
+ * Blocks response of the gadget driver to host enumeration by
+ * preventing the data line pullup from being activated.  This is
+ * normally called during @bind() processing to change from the
+ * initial "ready to respond" state, or when a required resource
+ * becomes available.
+ *
+ * For example, drivers that serve as a passthrough to a userspace
+ * daemon can block enumeration unless that daemon (such as an OBEX,
+ * MTP, or print server) is ready to handle host requests.
+ *
+ * Not all systems support software control of their USB peripheral
+ * data pullups.
+ *
+ * Returns zero on success, else negative errno.
+ */
+int usb_function_deactivate(struct usb_function *function)
+{
+	struct usb_composite_dev	*cdev = function->config->cdev;
+	int				status = 0;
+
+	spin_lock(&cdev->lock);
+
+	if (cdev->deactivations == 0)
+		status = usb_gadget_disconnect(cdev->gadget);
+	if (status == 0)
+		cdev->deactivations++;
+
+	spin_unlock(&cdev->lock);
+	return status;
+}
+
+/**
+ * usb_function_activate - allow function and gadget enumeration
+ * @function: function on which usb_function_activate() was called
+ *
+ * Reverses effect of usb_function_deactivate().  If no more functions
+ * are delaying their activation, the gadget driver will respond to
+ * host enumeration procedures.
+ *
+ * Returns zero on success, else negative errno.
+ */
+int usb_function_activate(struct usb_function *function)
+{
+	struct usb_composite_dev	*cdev = function->config->cdev;
+	int				status = 0;
+
+	spin_lock(&cdev->lock);
+
+	if (WARN_ON(cdev->deactivations == 0))
+		status = -EINVAL;
+	else {
+		cdev->deactivations--;
+		if (cdev->deactivations == 0)
+			status = usb_gadget_connect(cdev->gadget);
+	}
+
+	spin_unlock(&cdev->lock);
+	return status;
+}
+
 /**
  * usb_interface_id() - allocate an unused interface ID
  * @config: configuration associated with the interface
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index c932390c6da..935c380ffe4 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -130,6 +130,9 @@ struct usb_function {
 
 int usb_add_function(struct usb_configuration *, struct usb_function *);
 
+int usb_function_deactivate(struct usb_function *);
+int usb_function_activate(struct usb_function *);
+
 int usb_interface_id(struct usb_configuration *, struct usb_function *);
 
 /**
@@ -316,9 +319,13 @@ struct usb_composite_dev {
 	struct usb_composite_driver	*driver;
 	u8				next_string_id;
 
-	spinlock_t			lock;
+	/* the gadget driver won't enable the data pullup
+	 * while the deactivation count is nonzero.
+	 */
+	unsigned			deactivations;
 
-	/* REVISIT use and existence of lock ... */
+	/* protects at least deactivation count */
+	spinlock_t			lock;
 };
 
 extern int usb_string_id(struct usb_composite_dev *c);
-- 
GitLab


From 3086775a4916b0fe128d924d83f4e7d7c39e4d0e Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Mon, 18 Aug 2008 17:39:30 -0700
Subject: [PATCH 1168/2224] usb gadget: cdc obex glue

The following patch introduces a new f_obex.c function driver.
It allows userspace obex servers to use usb as transport layer
for their messages.

[ dbrownell@users.sourceforge.net: various fixes and cleanups ]

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/DocBook/gadget.tmpl |   3 +
 drivers/usb/gadget/Kconfig        |   8 +-
 drivers/usb/gadget/f_obex.c       | 446 ++++++++++++++++++++++++++++++
 drivers/usb/gadget/serial.c       |  14 +
 drivers/usb/gadget/u_serial.h     |   1 +
 include/linux/usb/cdc.h           |   9 +
 6 files changed, 479 insertions(+), 2 deletions(-)
 create mode 100644 drivers/usb/gadget/f_obex.c

diff --git a/Documentation/DocBook/gadget.tmpl b/Documentation/DocBook/gadget.tmpl
index ea3bc9565e6..6ef2f0073e5 100644
--- a/Documentation/DocBook/gadget.tmpl
+++ b/Documentation/DocBook/gadget.tmpl
@@ -557,6 +557,9 @@ Near-term plans include converting all of them, except for "gadgetfs".
 </para>
 
 !Edrivers/usb/gadget/f_acm.c
+!Edrivers/usb/gadget/f_ecm.c
+!Edrivers/usb/gadget/f_subset.c
+!Edrivers/usb/gadget/f_obex.c
 !Edrivers/usb/gadget/f_serial.c
 
 </sect1>
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 5dda2dc708d..80a7c02dc95 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -576,19 +576,23 @@ config USB_FILE_STORAGE_TEST
 	  normal operation.
 
 config USB_G_SERIAL
-	tristate "Serial Gadget (with CDC ACM support)"
+	tristate "Serial Gadget (with CDC ACM and CDC OBEX support)"
 	help
 	  The Serial Gadget talks to the Linux-USB generic serial driver.
 	  This driver supports a CDC-ACM module option, which can be used
 	  to interoperate with MS-Windows hosts or with the Linux-USB
 	  "cdc-acm" driver.
 
+	  This driver also supports a CDC-OBEX option.  You will need a
+	  user space OBEX server talking to /dev/ttyGS*, since the kernel
+	  itself doesn't implement the OBEX protocol.
+
 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module called "g_serial".
 
 	  For more information, see Documentation/usb/gadget_serial.txt
 	  which includes instructions and a "driver info file" needed to
-	  make MS-Windows work with this driver.
+	  make MS-Windows work with CDC ACM.
 
 config USB_MIDI_GADGET
 	tristate "MIDI Gadget (EXPERIMENTAL)"
diff --git a/drivers/usb/gadget/f_obex.c b/drivers/usb/gadget/f_obex.c
new file mode 100644
index 00000000000..86241b2ca8f
--- /dev/null
+++ b/drivers/usb/gadget/f_obex.c
@@ -0,0 +1,446 @@
+/*
+ * f_obex.c -- USB CDC OBEX function driver
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Contact: Felipe Balbi <felipe.balbi@nokia.com>
+ *
+ * Based on f_acm.c by Al Borchers and David Brownell.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* #define VERBOSE_DEBUG */
+
+#include <linux/kernel.h>
+#include <linux/utsname.h>
+#include <linux/device.h>
+
+#include "u_serial.h"
+#include "gadget_chips.h"
+
+
+/*
+ * This CDC OBEX function support just packages a TTY-ish byte stream.
+ * A user mode server will put it into "raw" mode and handle all the
+ * relevant protocol details ... this is just a kernel passthrough.
+ *
+ * REVISIT this driver shouldn't actually activate before that user mode
+ * server is ready to respond!  When the "serial gadget" utility code
+ * adds open/close notifications, this driver should use them with new
+ * (TBS) composite gadget hooks that wrap usb_gadget_disconnect() and
+ * usb_gadget_connect() calls with refcounts ... disconnect() when we
+ * bind, then connect() when the user server code is ready to respond.
+ */
+
+struct obex_ep_descs {
+	struct usb_endpoint_descriptor	*obex_in;
+	struct usb_endpoint_descriptor	*obex_out;
+};
+
+struct f_obex {
+	struct gserial			port;
+	u8				ctrl_id;
+	u8				data_id;
+	u8				port_num;
+
+	struct obex_ep_descs		fs;
+	struct obex_ep_descs		hs;
+};
+
+static inline struct f_obex *func_to_obex(struct usb_function *f)
+{
+	return container_of(f, struct f_obex, port.func);
+}
+
+/*-------------------------------------------------------------------------*/
+
+#define OBEX_CTRL_IDX	0
+#define OBEX_DATA_IDX	1
+
+static struct usb_string obex_string_defs[] = {
+	[OBEX_CTRL_IDX].s	= "CDC Object Exchange (OBEX)",
+	[OBEX_DATA_IDX].s	= "CDC OBEX Data",
+	{  },	/* end of list */
+};
+
+static struct usb_gadget_strings obex_string_table = {
+	.language		= 0x0409,	/* en-US */
+	.strings		= obex_string_defs,
+};
+
+static struct usb_gadget_strings *obex_strings[] = {
+	&obex_string_table,
+	NULL,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static struct usb_interface_descriptor obex_control_intf __initdata = {
+	.bLength		= sizeof(obex_control_intf),
+	.bDescriptorType	= USB_DT_INTERFACE,
+	.bInterfaceNumber	= 0,
+
+	.bAlternateSetting	= 0,
+	.bNumEndpoints		= 0,
+	.bInterfaceClass	= USB_CLASS_COMM,
+	.bInterfaceSubClass	= USB_CDC_SUBCLASS_OBEX,
+};
+
+static struct usb_interface_descriptor obex_data_nop_intf __initdata = {
+	.bLength		= sizeof(obex_data_nop_intf),
+	.bDescriptorType	= USB_DT_INTERFACE,
+	.bInterfaceNumber	= 1,
+
+	.bAlternateSetting	= 0,
+	.bNumEndpoints		= 0,
+	.bInterfaceClass	= USB_CLASS_CDC_DATA,
+};
+
+static struct usb_interface_descriptor obex_data_intf __initdata = {
+	.bLength		= sizeof(obex_data_intf),
+	.bDescriptorType	= USB_DT_INTERFACE,
+	.bInterfaceNumber	= 2,
+
+	.bAlternateSetting	= 1,
+	.bNumEndpoints		= 2,
+	.bInterfaceClass	= USB_CLASS_CDC_DATA,
+};
+
+static struct usb_cdc_header_desc obex_cdc_header_desc __initdata = {
+	.bLength		= sizeof(obex_cdc_header_desc),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubType	= USB_CDC_HEADER_TYPE,
+	.bcdCDC			= __constant_cpu_to_le16(0x0120),
+};
+
+static struct usb_cdc_union_desc obex_cdc_union_desc __initdata = {
+	.bLength		= sizeof(obex_cdc_union_desc),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubType	= USB_CDC_UNION_TYPE,
+	.bMasterInterface0	= 1,
+	.bSlaveInterface0	= 2,
+};
+
+static struct usb_cdc_obex_desc obex_desc __initdata = {
+	.bLength		= sizeof(obex_desc),
+	.bDescriptorType	= USB_DT_CS_INTERFACE,
+	.bDescriptorSubType	= USB_CDC_OBEX_TYPE,
+	.bcdVersion		= __constant_cpu_to_le16(0x0100),
+};
+
+/* High-Speed Support */
+
+static struct usb_endpoint_descriptor obex_hs_ep_out_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_OUT,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize		= __constant_cpu_to_le16(512),
+};
+
+static struct usb_endpoint_descriptor obex_hs_ep_in_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_IN,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+	.wMaxPacketSize		= __constant_cpu_to_le16(512),
+};
+
+static struct usb_descriptor_header *hs_function[] __initdata = {
+	(struct usb_descriptor_header *) &obex_control_intf,
+	(struct usb_descriptor_header *) &obex_cdc_header_desc,
+	(struct usb_descriptor_header *) &obex_desc,
+	(struct usb_descriptor_header *) &obex_cdc_union_desc,
+
+	(struct usb_descriptor_header *) &obex_data_nop_intf,
+	(struct usb_descriptor_header *) &obex_data_intf,
+	(struct usb_descriptor_header *) &obex_hs_ep_in_desc,
+	(struct usb_descriptor_header *) &obex_hs_ep_out_desc,
+	NULL,
+};
+
+/* Full-Speed Support */
+
+static struct usb_endpoint_descriptor obex_fs_ep_in_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_IN,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_endpoint_descriptor obex_fs_ep_out_desc __initdata = {
+	.bLength		= USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType	= USB_DT_ENDPOINT,
+
+	.bEndpointAddress	= USB_DIR_OUT,
+	.bmAttributes		= USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_descriptor_header *fs_function[] __initdata = {
+	(struct usb_descriptor_header *) &obex_control_intf,
+	(struct usb_descriptor_header *) &obex_cdc_header_desc,
+	(struct usb_descriptor_header *) &obex_desc,
+	(struct usb_descriptor_header *) &obex_cdc_union_desc,
+
+	(struct usb_descriptor_header *) &obex_data_nop_intf,
+	(struct usb_descriptor_header *) &obex_data_intf,
+	(struct usb_descriptor_header *) &obex_fs_ep_in_desc,
+	(struct usb_descriptor_header *) &obex_fs_ep_out_desc,
+	NULL,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int obex_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+{
+	struct f_obex		*obex = func_to_obex(f);
+	struct usb_composite_dev *cdev = f->config->cdev;
+
+	if (intf == obex->ctrl_id) {
+		if (alt != 0)
+			goto fail;
+		/* NOP */
+		DBG(cdev, "reset obex ttyGS%d control\n", obex->port_num);
+
+	} else if (intf == obex->data_id) {
+		if (alt > 1)
+			goto fail;
+
+		if (obex->port.in->driver_data) {
+			DBG(cdev, "reset obex ttyGS%d\n", obex->port_num);
+			gserial_disconnect(&obex->port);
+		}
+
+		if (!obex->port.in_desc) {
+			DBG(cdev, "init obex ttyGS%d\n", obex->port_num);
+			obex->port.in_desc = ep_choose(cdev->gadget,
+					obex->hs.obex_in, obex->fs.obex_in);
+			obex->port.out_desc = ep_choose(cdev->gadget,
+					obex->hs.obex_out, obex->fs.obex_out);
+		}
+
+		if (alt == 1) {
+			DBG(cdev, "activate obex ttyGS%d\n", obex->port_num);
+			gserial_connect(&obex->port, obex->port_num);
+		}
+
+	} else
+		goto fail;
+
+	return 0;
+
+fail:
+	return -EINVAL;
+}
+
+static int obex_get_alt(struct usb_function *f, unsigned intf)
+{
+	struct f_obex		*obex = func_to_obex(f);
+
+	if (intf == obex->ctrl_id)
+		return 0;
+
+	return obex->port.in->driver_data ? 1 : 0;
+}
+
+static void obex_disable(struct usb_function *f)
+{
+	struct f_obex	*obex = func_to_obex(f);
+	struct usb_composite_dev *cdev = f->config->cdev;
+
+	DBG(cdev, "obex ttyGS%d disable\n", obex->port_num);
+	gserial_disconnect(&obex->port);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static int __init
+obex_bind(struct usb_configuration *c, struct usb_function *f)
+{
+	struct usb_composite_dev *cdev = c->cdev;
+	struct f_obex		*obex = func_to_obex(f);
+	int			status;
+	struct usb_ep		*ep;
+
+	/* allocate instance-specific interface IDs, and patch descriptors */
+
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	obex->ctrl_id = status;
+
+	obex_control_intf.bInterfaceNumber = status;
+	obex_cdc_union_desc.bMasterInterface0 = status;
+
+	status = usb_interface_id(c, f);
+	if (status < 0)
+		goto fail;
+	obex->data_id = status;
+
+	obex_data_nop_intf.bInterfaceNumber = status;
+	obex_data_intf.bInterfaceNumber = status;
+	obex_cdc_union_desc.bSlaveInterface0 = status;
+
+	/* allocate instance-specific endpoints */
+
+	ep = usb_ep_autoconfig(cdev->gadget, &obex_fs_ep_in_desc);
+	if (!ep)
+		goto fail;
+	obex->port.in = ep;
+	ep->driver_data = cdev;	/* claim */
+
+	ep = usb_ep_autoconfig(cdev->gadget, &obex_fs_ep_out_desc);
+	if (!ep)
+		goto fail;
+	obex->port.out = ep;
+	ep->driver_data = cdev;	/* claim */
+
+	/* copy descriptors, and track endpoint copies */
+	f->descriptors = usb_copy_descriptors(fs_function);
+
+	obex->fs.obex_in = usb_find_endpoint(fs_function,
+			f->descriptors, &obex_fs_ep_in_desc);
+	obex->fs.obex_out = usb_find_endpoint(fs_function,
+			f->descriptors, &obex_fs_ep_out_desc);
+
+	/* support all relevant hardware speeds... we expect that when
+	 * hardware is dual speed, all bulk-capable endpoints work at
+	 * both speeds
+	 */
+	if (gadget_is_dualspeed(c->cdev->gadget)) {
+
+		obex_hs_ep_in_desc.bEndpointAddress =
+				obex_fs_ep_in_desc.bEndpointAddress;
+		obex_hs_ep_out_desc.bEndpointAddress =
+				obex_fs_ep_out_desc.bEndpointAddress;
+
+		/* copy descriptors, and track endpoint copies */
+		f->hs_descriptors = usb_copy_descriptors(hs_function);
+
+		obex->hs.obex_in = usb_find_endpoint(hs_function,
+				f->descriptors, &obex_hs_ep_in_desc);
+		obex->hs.obex_out = usb_find_endpoint(hs_function,
+				f->descriptors, &obex_hs_ep_out_desc);
+	}
+
+	DBG(cdev, "obex ttyGS%d: %s speed IN/%s OUT/%s\n",
+			obex->port_num,
+			gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
+			obex->port.in->name, obex->port.out->name);
+
+	return 0;
+
+fail:
+	/* we might as well release our claims on endpoints */
+	if (obex->port.out)
+		obex->port.out->driver_data = NULL;
+	if (obex->port.in)
+		obex->port.in->driver_data = NULL;
+
+	ERROR(cdev, "%s/%p: can't bind, err %d\n", f->name, f, status);
+
+	return status;
+}
+
+static void
+obex_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+	if (gadget_is_dualspeed(c->cdev->gadget))
+		usb_free_descriptors(f->hs_descriptors);
+	usb_free_descriptors(f->descriptors);
+	kfree(func_to_obex(f));
+}
+
+/* Some controllers can't support CDC OBEX ... */
+static inline bool can_support_obex(struct usb_configuration *c)
+{
+	/* Since the first interface is a NOP, we can ignore the
+	 * issue of multi-interface support on most controllers.
+	 *
+	 * Altsettings are mandatory, however...
+	 */
+	if (!gadget_supports_altsettings(c->cdev->gadget))
+		return false;
+
+	/* everything else is *probably* fine ... */
+	return true;
+}
+
+/**
+ * obex_bind_config - add a CDC OBEX function to a configuration
+ * @c: the configuration to support the CDC OBEX instance
+ * @port_num: /dev/ttyGS* port this interface will use
+ * Context: single threaded during gadget setup
+ *
+ * Returns zero on success, else negative errno.
+ *
+ * Caller must have called @gserial_setup() with enough ports to
+ * handle all the ones it binds.  Caller is also responsible
+ * for calling @gserial_cleanup() before module unload.
+ */
+int __init obex_bind_config(struct usb_configuration *c, u8 port_num)
+{
+	struct f_obex	*obex;
+	int		status;
+
+	if (!can_support_obex(c))
+		return -EINVAL;
+
+	/* maybe allocate device-global string IDs, and patch descriptors */
+	if (obex_string_defs[OBEX_CTRL_IDX].id == 0) {
+		status = usb_string_id(c->cdev);
+		if (status < 0)
+			return status;
+		obex_string_defs[OBEX_CTRL_IDX].id = status;
+
+		obex_control_intf.iInterface = status;
+
+		status = usb_string_id(c->cdev);
+		if (status < 0)
+			return status;
+		obex_string_defs[OBEX_DATA_IDX].id = status;
+
+		obex_data_nop_intf.iInterface =
+			obex_data_intf.iInterface = status;
+	}
+
+	/* allocate and initialize one new instance */
+	obex = kzalloc(sizeof *obex, GFP_KERNEL);
+	if (!obex)
+		return -ENOMEM;
+
+	obex->port_num = port_num;
+
+	obex->port.func.name = "obex";
+	obex->port.func.strings = obex_strings;
+	/* descriptors are per-instance copies */
+	obex->port.func.bind = obex_bind;
+	obex->port.func.unbind = obex_unbind;
+	obex->port.func.set_alt = obex_set_alt;
+	obex->port.func.get_alt = obex_get_alt;
+	obex->port.func.disable = obex_disable;
+
+	status = usb_add_function(c, &obex->port.func);
+	if (status)
+		kfree(obex);
+
+	return status;
+}
+
+MODULE_AUTHOR("Felipe Balbi");
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 3faa7a7022d..2dee848b2f5 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -43,6 +43,7 @@
 #include "epautoconf.c"
 
 #include "f_acm.c"
+#include "f_obex.c"
 #include "f_serial.c"
 #include "u_serial.c"
 
@@ -56,6 +57,7 @@
 #define GS_VENDOR_ID			0x0525	/* NetChip */
 #define GS_PRODUCT_ID			0xa4a6	/* Linux-USB Serial Gadget */
 #define GS_CDC_PRODUCT_ID		0xa4a7	/* ... as CDC-ACM */
+#define GS_CDC_OBEX_PRODUCT_ID		0xa4a9	/* ... as CDC-OBEX */
 
 /* string IDs are assigned dynamically */
 
@@ -125,6 +127,10 @@ static int use_acm = true;
 module_param(use_acm, bool, 0);
 MODULE_PARM_DESC(use_acm, "Use CDC ACM, default=yes");
 
+static int use_obex = false;
+module_param(use_obex, bool, 0);
+MODULE_PARM_DESC(use_obex, "Use CDC OBEX, default=no");
+
 static unsigned n_ports = 1;
 module_param(n_ports, uint, 0);
 MODULE_PARM_DESC(n_ports, "number of ports to create, default=1");
@@ -139,6 +145,8 @@ static int __init serial_bind_config(struct usb_configuration *c)
 	for (i = 0; i < n_ports && status == 0; i++) {
 		if (use_acm)
 			status = acm_bind_config(c, i);
+		else if (use_obex)
+			status = obex_bind_config(c, i);
 		else
 			status = gser_bind_config(c, i);
 	}
@@ -249,6 +257,12 @@ static int __init init(void)
 		device_desc.bDeviceClass = USB_CLASS_COMM;
 		device_desc.idProduct =
 				__constant_cpu_to_le16(GS_CDC_PRODUCT_ID);
+	} else if (use_obex) {
+		serial_config_driver.label = "CDC OBEX config";
+		serial_config_driver.bConfigurationValue = 3;
+		device_desc.bDeviceClass = USB_CLASS_COMM;
+		device_desc.idProduct =
+			__constant_cpu_to_le16(GS_CDC_OBEX_PRODUCT_ID);
 	} else {
 		serial_config_driver.label = "Generic Serial config";
 		serial_config_driver.bConfigurationValue = 1;
diff --git a/drivers/usb/gadget/u_serial.h b/drivers/usb/gadget/u_serial.h
index af3910d01ae..300f0ed9475 100644
--- a/drivers/usb/gadget/u_serial.h
+++ b/drivers/usb/gadget/u_serial.h
@@ -62,5 +62,6 @@ void gserial_disconnect(struct gserial *);
 /* functions are bound to configurations by a config or gadget driver */
 int acm_bind_config(struct usb_configuration *c, u8 port_num);
 int gser_bind_config(struct usb_configuration *c, u8 port_num);
+int obex_bind_config(struct usb_configuration *c, u8 port_num);
 
 #endif /* __U_SERIAL_H */
diff --git a/include/linux/usb/cdc.h b/include/linux/usb/cdc.h
index ca228bb9421..18a729343ff 100644
--- a/include/linux/usb/cdc.h
+++ b/include/linux/usb/cdc.h
@@ -160,6 +160,15 @@ struct usb_cdc_mdlm_detail_desc {
 	__u8	bDetailData[0];
 } __attribute__ ((packed));
 
+/* "OBEX Control Model Functional Descriptor" */
+struct usb_cdc_obex_desc {
+	__u8	bLength;
+	__u8	bDescriptorType;
+	__u8	bDescriptorSubType;
+
+	__le16	bcdVersion;
+} __attribute__ ((packed));
+
 /*-------------------------------------------------------------------------*/
 
 /*
-- 
GitLab


From 2121427836c9eeaed3002e1add89f1e8c7a00261 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Mon, 18 Aug 2008 17:45:25 -0700
Subject: [PATCH 1169/2224] usb gadget: defer obex enumeration

Some USB peripheral controller drivers support software control
over the data pullup.  Use those controls to prevent the OBEX
function from enumerating until the userspace server has opened
the /dev/ttyGS* node it will use to implement protocol chitchat
with the USB host.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/f_obex.c | 61 ++++++++++++++++++++++++++++++++-----
 1 file changed, 54 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/gadget/f_obex.c b/drivers/usb/gadget/f_obex.c
index 86241b2ca8f..80c2e7e9622 100644
--- a/drivers/usb/gadget/f_obex.c
+++ b/drivers/usb/gadget/f_obex.c
@@ -35,13 +35,8 @@
  * This CDC OBEX function support just packages a TTY-ish byte stream.
  * A user mode server will put it into "raw" mode and handle all the
  * relevant protocol details ... this is just a kernel passthrough.
- *
- * REVISIT this driver shouldn't actually activate before that user mode
- * server is ready to respond!  When the "serial gadget" utility code
- * adds open/close notifications, this driver should use them with new
- * (TBS) composite gadget hooks that wrap usb_gadget_disconnect() and
- * usb_gadget_connect() calls with refcounts ... disconnect() when we
- * bind, then connect() when the user server code is ready to respond.
+ * When possible, we prevent gadget enumeration until that server is
+ * ready to handle the commands.
  */
 
 struct obex_ep_descs {
@@ -54,6 +49,7 @@ struct f_obex {
 	u8				ctrl_id;
 	u8				data_id;
 	u8				port_num;
+	u8				can_activate;
 
 	struct obex_ep_descs		fs;
 	struct obex_ep_descs		hs;
@@ -64,6 +60,11 @@ static inline struct f_obex *func_to_obex(struct usb_function *f)
 	return container_of(f, struct f_obex, port.func);
 }
 
+static inline struct f_obex *port_to_obex(struct gserial *p)
+{
+	return container_of(p, struct f_obex, port);
+}
+
 /*-------------------------------------------------------------------------*/
 
 #define OBEX_CTRL_IDX	0
@@ -269,6 +270,38 @@ static void obex_disable(struct usb_function *f)
 
 /*-------------------------------------------------------------------------*/
 
+static void obex_connect(struct gserial *g)
+{
+	struct f_obex		*obex = port_to_obex(g);
+	struct usb_composite_dev *cdev = g->func.config->cdev;
+	int			status;
+
+	if (!obex->can_activate)
+		return;
+
+	status = usb_function_activate(&g->func);
+	if (status)
+		DBG(cdev, "obex ttyGS%d function activate --> %d\n",
+			obex->port_num, status);
+}
+
+static void obex_disconnect(struct gserial *g)
+{
+	struct f_obex		*obex = port_to_obex(g);
+	struct usb_composite_dev *cdev = g->func.config->cdev;
+	int			status;
+
+	if (!obex->can_activate)
+		return;
+
+	status = usb_function_deactivate(&g->func);
+	if (status)
+		DBG(cdev, "obex ttyGS%d function deactivate --> %d\n",
+			obex->port_num, status);
+}
+
+/*-------------------------------------------------------------------------*/
+
 static int __init
 obex_bind(struct usb_configuration *c, struct usb_function *f)
 {
@@ -338,6 +371,17 @@ obex_bind(struct usb_configuration *c, struct usb_function *f)
 				f->descriptors, &obex_hs_ep_out_desc);
 	}
 
+	/* Avoid letting this gadget enumerate until the userspace
+	 * OBEX server is active.
+	 */
+	status = usb_function_deactivate(f);
+	if (status < 0)
+		WARNING(cdev, "obex ttyGS%d: can't prevent enumeration, %d\n",
+			obex->port_num, status);
+	else
+		obex->can_activate = true;
+
+
 	DBG(cdev, "obex ttyGS%d: %s speed IN/%s OUT/%s\n",
 			obex->port_num,
 			gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
@@ -426,6 +470,9 @@ int __init obex_bind_config(struct usb_configuration *c, u8 port_num)
 
 	obex->port_num = port_num;
 
+	obex->port.connect = obex_connect;
+	obex->port.disconnect = obex_disconnect;
+
 	obex->port.func.name = "obex";
 	obex->port.func.strings = obex_strings;
 	/* descriptors are per-instance copies */
-- 
GitLab


From 58209018cfd6f1fa8d0139af7c39dbfe73de21fd Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 23 Aug 2008 13:56:30 +0800
Subject: [PATCH 1170/2224] USB: remove unused #include <version.h>

The driver(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
  drivers/usb/gadget/pxa27x_udc.c

This patch removes the said #include <version.h>.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/pxa27x_udc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index 7cbc78a6853..bcf375ca3d7 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -22,7 +22,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/version.h>
 #include <linux/errno.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
-- 
GitLab


From bedf0883cbe3015d21aec5ed47ddffb429f6cca7 Mon Sep 17 00:00:00 2001
From: Julien Brunel <brunel@diku.dk>
Date: Mon, 1 Sep 2008 10:57:27 +0200
Subject: [PATCH 1171/2224] USB: drivers/usb/misc: Use an IS_ERR test rather
 than a NULL test

In case of error, the function backlight_device_register returns an
ERR pointer, but never returns a NULL pointer. So a NULL test that may
come after a call to this function should be strengthened by an IS_ERR
test.

The semantic match that finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@match_bad_null_test@
expression x, E;
statement S1,S2;
@@
x = backlight_device_register(...)
... when != x = E
* if (x != NULL)
S1 else S2
// </smpl>

Signed-off-by: Julien Brunel <brunel@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/misc/appledisplay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index a076c24a312..71d672ea122 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -314,7 +314,7 @@ error:
 					pdata->urbdata, pdata->urb->transfer_dma);
 			usb_free_urb(pdata->urb);
 		}
-		if (pdata->bd)
+		if (pdata->bd && !IS_ERR(pdata->bd))
 			backlight_device_unregister(pdata->bd);
 		kfree(pdata->msgdata);
 	}
-- 
GitLab


From 3948f0e0c999a6201e9898bb8fbe3c6cc1199276 Mon Sep 17 00:00:00 2001
From: Li Yang <leoli@freescale.com>
Date: Tue, 2 Sep 2008 19:58:10 +0800
Subject: [PATCH 1172/2224] usb: add Freescale QE/CPM USB peripheral controller
 driver

Some of Freescale SoC chips have a QE or CPM co-processor which
supports full speed USB.  The driver adds device mode support
of both QE and CPM USB controller to Linux USB gadget.  The
driver is tested with MPC8360 and MPC8272, and should work with
other models having QE/CPM given minor tweaks.

Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/Kconfig        |   19 +
 drivers/usb/gadget/Makefile       |    1 +
 drivers/usb/gadget/fsl_qe_udc.c   | 2723 +++++++++++++++++++++++++++++
 drivers/usb/gadget/fsl_qe_udc.h   |  436 +++++
 drivers/usb/gadget/gadget_chips.h |    9 +
 5 files changed, 3188 insertions(+)
 create mode 100644 drivers/usb/gadget/fsl_qe_udc.c
 create mode 100644 drivers/usb/gadget/fsl_qe_udc.h

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 80a7c02dc95..c0dfd9be311 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -341,6 +341,25 @@ config USB_AMD5536UDC
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_GADGET_FSL_QE
+	boolean "Freescale QE/CPM USB Device Controller"
+	depends on FSL_SOC && (QUICC_ENGINE || CPM)
+	help
+	   Some of Freescale PowerPC processors have a Full Speed
+	   QE/CPM2 USB controller, which support device mode with 4
+	   programmable endpoints. This driver supports the
+	   controller in the MPC8360 and MPC8272, and should work with
+	   controllers having QE or CPM2, given minor tweaks.
+
+	   Set CONFIG_USB_GADGET to "m" to build this driver as a
+	   dynmically linked module called "fsl_qe_udc".
+
+config USB_FSL_QE
+	tristate
+	depends on USB_GADGET_FSL_QE
+	default USB_GADGET
+	select USB_GADGET_SELECTED
+
 config USB_GADGET_NET2280
 	boolean "NetChip 228x"
 	depends on PCI
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 2267fa0b51b..bd4041b47dc 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_USB_AT91)		+= at91_udc.o
 obj-$(CONFIG_USB_ATMEL_USBA)	+= atmel_usba_udc.o
 obj-$(CONFIG_USB_FSL_USB2)	+= fsl_usb2_udc.o
 obj-$(CONFIG_USB_M66592)	+= m66592-udc.o
+obj-$(CONFIG_USB_FSL_QE)	+= fsl_qe_udc.o
 
 #
 # USB gadget drivers
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
new file mode 100644
index 00000000000..e9400e62f17
--- /dev/null
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -0,0 +1,2723 @@
+/*
+ * driver/usb/gadget/fsl_qe_udc.c
+ *
+ * Copyright (c) 2006-2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * 	Xie Xiaobo <X.Xie@freescale.com>
+ * 	Li Yang <leoli@freescale.com>
+ * 	Based on bareboard code from Shlomi Gridish.
+ *
+ * Description:
+ * Freescle QE/CPM USB Pheripheral Controller Driver
+ * The controller can be found on MPC8360, MPC8272, and etc.
+ * MPC8360 Rev 1.1 may need QE mircocode update
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation;  either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#undef USB_TRACE
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/moduleparam.h>
+#include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/otg.h>
+#include <asm/qe.h>
+#include <asm/cpm.h>
+#include <asm/dma.h>
+#include <asm/reg.h>
+#include "fsl_qe_udc.h"
+
+#define DRIVER_DESC     "Freescale QE/CPM USB Device Controller driver"
+#define DRIVER_AUTHOR   "Xie XiaoBo"
+#define DRIVER_VERSION  "1.0"
+
+#define DMA_ADDR_INVALID        (~(dma_addr_t)0)
+
+static const char driver_name[] = "fsl_qe_udc";
+static const char driver_desc[] = DRIVER_DESC;
+
+/*ep name is important in gadget, it should obey the convention of ep_match()*/
+static const char *const ep_name[] = {
+	"ep0-control", /* everyone has ep0 */
+	/* 3 configurable endpoints */
+	"ep1",
+	"ep2",
+	"ep3",
+};
+
+static struct usb_endpoint_descriptor qe_ep0_desc = {
+	.bLength =		USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType =	USB_DT_ENDPOINT,
+
+	.bEndpointAddress =	0,
+	.bmAttributes =		USB_ENDPOINT_XFER_CONTROL,
+	.wMaxPacketSize =	USB_MAX_CTRL_PAYLOAD,
+};
+
+/* it is initialized in probe()  */
+static struct qe_udc *udc_controller;
+
+/********************************************************************
+ *      Internal Used Function Start
+********************************************************************/
+/*-----------------------------------------------------------------
+ * done() - retire a request; caller blocked irqs
+ *--------------------------------------------------------------*/
+static void done(struct qe_ep *ep, struct qe_req *req, int status)
+{
+	struct qe_udc *udc = ep->udc;
+	unsigned char stopped = ep->stopped;
+
+	/* the req->queue pointer is used by ep_queue() func, in which
+	 * the request will be added into a udc_ep->queue 'd tail
+	 * so here the req will be dropped from the ep->queue
+	 */
+	list_del_init(&req->queue);
+
+	/* req.status should be set as -EINPROGRESS in ep_queue() */
+	if (req->req.status == -EINPROGRESS)
+		req->req.status = status;
+	else
+		status = req->req.status;
+
+	if (req->mapped) {
+		dma_unmap_single(udc->gadget.dev.parent,
+			req->req.dma, req->req.length,
+			ep_is_in(ep)
+				? DMA_TO_DEVICE
+				: DMA_FROM_DEVICE);
+		req->req.dma = DMA_ADDR_INVALID;
+		req->mapped = 0;
+	} else
+		dma_sync_single_for_cpu(udc->gadget.dev.parent,
+			req->req.dma, req->req.length,
+			ep_is_in(ep)
+				? DMA_TO_DEVICE
+				: DMA_FROM_DEVICE);
+
+	if (status && (status != -ESHUTDOWN))
+		dev_vdbg(udc->dev, "complete %s req %p stat %d len %u/%u\n",
+			ep->ep.name, &req->req, status,
+			req->req.actual, req->req.length);
+
+	/* don't modify queue heads during completion callback */
+	ep->stopped = 1;
+	spin_unlock(&udc->lock);
+
+	/* this complete() should a func implemented by gadget layer,
+	 * eg fsg->bulk_in_complete() */
+	if (req->req.complete)
+		req->req.complete(&ep->ep, &req->req);
+
+	spin_lock(&udc->lock);
+
+	ep->stopped = stopped;
+}
+
+/*-----------------------------------------------------------------
+ * nuke(): delete all requests related to this ep
+ *--------------------------------------------------------------*/
+static void nuke(struct qe_ep *ep, int status)
+{
+	/* Whether this eq has request linked */
+	while (!list_empty(&ep->queue)) {
+		struct qe_req *req = NULL;
+		req = list_entry(ep->queue.next, struct qe_req, queue);
+
+		done(ep, req, status);
+	}
+}
+
+/*---------------------------------------------------------------------------*
+ * USB and Endpoint manipulate process, include parameter and register       *
+ *---------------------------------------------------------------------------*/
+/* @value: 1--set stall 0--clean stall */
+static int qe_eprx_stall_change(struct qe_ep *ep, int value)
+{
+	u16 tem_usep;
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	tem_usep = in_be16(&udc->usb_regs->usb_usep[epnum]);
+	tem_usep = tem_usep & ~USB_RHS_MASK;
+	if (value == 1)
+		tem_usep |= USB_RHS_STALL;
+	else if (ep->dir == USB_DIR_IN)
+		tem_usep |= USB_RHS_IGNORE_OUT;
+
+	out_be16(&udc->usb_regs->usb_usep[epnum], tem_usep);
+	return 0;
+}
+
+static int qe_eptx_stall_change(struct qe_ep *ep, int value)
+{
+	u16 tem_usep;
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	tem_usep = in_be16(&udc->usb_regs->usb_usep[epnum]);
+	tem_usep = tem_usep & ~USB_THS_MASK;
+	if (value == 1)
+		tem_usep |= USB_THS_STALL;
+	else if (ep->dir == USB_DIR_OUT)
+		tem_usep |= USB_THS_IGNORE_IN;
+
+	out_be16(&udc->usb_regs->usb_usep[epnum], tem_usep);
+
+	return 0;
+}
+
+static int qe_ep0_stall(struct qe_udc *udc)
+{
+	qe_eptx_stall_change(&udc->eps[0], 1);
+	qe_eprx_stall_change(&udc->eps[0], 1);
+	udc_controller->ep0_state = WAIT_FOR_SETUP;
+	udc_controller->ep0_dir = 0;
+	return 0;
+}
+
+static int qe_eprx_nack(struct qe_ep *ep)
+{
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	if (ep->state == EP_STATE_IDLE) {
+		/* Set the ep's nack */
+		clrsetbits_be16(&udc->usb_regs->usb_usep[epnum],
+				USB_RHS_MASK, USB_RHS_NACK);
+
+		/* Mask Rx and Busy interrupts */
+		clrbits16(&udc->usb_regs->usb_usbmr,
+				(USB_E_RXB_MASK | USB_E_BSY_MASK));
+
+		ep->state = EP_STATE_NACK;
+	}
+	return 0;
+}
+
+static int qe_eprx_normal(struct qe_ep *ep)
+{
+	struct qe_udc *udc = ep->udc;
+
+	if (ep->state == EP_STATE_NACK) {
+		clrsetbits_be16(&udc->usb_regs->usb_usep[ep->epnum],
+				USB_RTHS_MASK, USB_THS_IGNORE_IN);
+
+		/* Unmask RX interrupts */
+		out_be16(&udc->usb_regs->usb_usber,
+				USB_E_BSY_MASK | USB_E_RXB_MASK);
+		setbits16(&udc->usb_regs->usb_usbmr,
+				(USB_E_RXB_MASK | USB_E_BSY_MASK));
+
+		ep->state = EP_STATE_IDLE;
+		ep->has_data = 0;
+	}
+
+	return 0;
+}
+
+static int qe_ep_cmd_stoptx(struct qe_ep *ep)
+{
+	if (ep->udc->soc_type == PORT_CPM)
+		cpm_command(CPM_USB_STOP_TX | (ep->epnum << CPM_USB_EP_SHIFT),
+				CPM_USB_STOP_TX_OPCODE);
+	else
+		qe_issue_cmd(QE_USB_STOP_TX, QE_CR_SUBBLOCK_USB,
+				ep->epnum, 0);
+
+	return 0;
+}
+
+static int qe_ep_cmd_restarttx(struct qe_ep *ep)
+{
+	if (ep->udc->soc_type == PORT_CPM)
+		cpm_command(CPM_USB_RESTART_TX | (ep->epnum <<
+				CPM_USB_EP_SHIFT), CPM_USB_RESTART_TX_OPCODE);
+	else
+		qe_issue_cmd(QE_USB_RESTART_TX, QE_CR_SUBBLOCK_USB,
+				ep->epnum, 0);
+
+	return 0;
+}
+
+static int qe_ep_flushtxfifo(struct qe_ep *ep)
+{
+	struct qe_udc *udc = ep->udc;
+	int i;
+
+	i = (int)ep->epnum;
+
+	qe_ep_cmd_stoptx(ep);
+	out_8(&udc->usb_regs->usb_uscom,
+		USB_CMD_FLUSH_FIFO | (USB_CMD_EP_MASK & (ep->epnum)));
+	out_be16(&udc->ep_param[i]->tbptr, in_be16(&udc->ep_param[i]->tbase));
+	out_be32(&udc->ep_param[i]->tstate, 0);
+	out_be16(&udc->ep_param[i]->tbcnt, 0);
+
+	ep->c_txbd = ep->txbase;
+	ep->n_txbd = ep->txbase;
+	qe_ep_cmd_restarttx(ep);
+	return 0;
+}
+
+static int qe_ep_filltxfifo(struct qe_ep *ep)
+{
+	struct qe_udc *udc = ep->udc;
+
+	out_8(&udc->usb_regs->usb_uscom,
+			USB_CMD_STR_FIFO | (USB_CMD_EP_MASK & (ep->epnum)));
+	return 0;
+}
+
+static int qe_epbds_reset(struct qe_udc *udc, int pipe_num)
+{
+	struct qe_ep *ep;
+	u32 bdring_len;
+	struct qe_bd __iomem *bd;
+	int i;
+
+	ep = &udc->eps[pipe_num];
+
+	if (ep->dir == USB_DIR_OUT)
+		bdring_len = USB_BDRING_LEN_RX;
+	else
+		bdring_len = USB_BDRING_LEN;
+
+	bd = ep->rxbase;
+	for (i = 0; i < (bdring_len - 1); i++) {
+		out_be32((u32 __iomem *)bd, R_E | R_I);
+		bd++;
+	}
+	out_be32((u32 __iomem *)bd, R_E | R_I | R_W);
+
+	bd = ep->txbase;
+	for (i = 0; i < USB_BDRING_LEN_TX - 1; i++) {
+		out_be32(&bd->buf, 0);
+		out_be32((u32 __iomem *)bd, 0);
+		bd++;
+	}
+	out_be32((u32 __iomem *)bd, T_W);
+
+	return 0;
+}
+
+static int qe_ep_reset(struct qe_udc *udc, int pipe_num)
+{
+	struct qe_ep *ep;
+	u16 tmpusep;
+
+	ep = &udc->eps[pipe_num];
+	tmpusep = in_be16(&udc->usb_regs->usb_usep[pipe_num]);
+	tmpusep &= ~USB_RTHS_MASK;
+
+	switch (ep->dir) {
+	case USB_DIR_BOTH:
+		qe_ep_flushtxfifo(ep);
+		break;
+	case USB_DIR_OUT:
+		tmpusep |= USB_THS_IGNORE_IN;
+		break;
+	case USB_DIR_IN:
+		qe_ep_flushtxfifo(ep);
+		tmpusep |= USB_RHS_IGNORE_OUT;
+		break;
+	default:
+		break;
+	}
+	out_be16(&udc->usb_regs->usb_usep[pipe_num], tmpusep);
+
+	qe_epbds_reset(udc, pipe_num);
+
+	return 0;
+}
+
+static int qe_ep_toggledata01(struct qe_ep *ep)
+{
+	ep->data01 ^= 0x1;
+	return 0;
+}
+
+static int qe_ep_bd_init(struct qe_udc *udc, unsigned char pipe_num)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+	unsigned long tmp_addr = 0;
+	struct usb_ep_para __iomem *epparam;
+	int i;
+	struct qe_bd __iomem *bd;
+	int bdring_len;
+
+	if (ep->dir == USB_DIR_OUT)
+		bdring_len = USB_BDRING_LEN_RX;
+	else
+		bdring_len = USB_BDRING_LEN;
+
+	epparam = udc->ep_param[pipe_num];
+	/* alloc multi-ram for BD rings and set the ep parameters */
+	tmp_addr = cpm_muram_alloc(sizeof(struct qe_bd) * (bdring_len +
+				USB_BDRING_LEN_TX), QE_ALIGNMENT_OF_BD);
+	out_be16(&epparam->rbase, (u16)tmp_addr);
+	out_be16(&epparam->tbase, (u16)(tmp_addr +
+				(sizeof(struct qe_bd) * bdring_len)));
+
+	out_be16(&epparam->rbptr, in_be16(&epparam->rbase));
+	out_be16(&epparam->tbptr, in_be16(&epparam->tbase));
+
+	ep->rxbase = cpm_muram_addr(tmp_addr);
+	ep->txbase = cpm_muram_addr(tmp_addr + (sizeof(struct qe_bd)
+				* bdring_len));
+	ep->n_rxbd = ep->rxbase;
+	ep->e_rxbd = ep->rxbase;
+	ep->n_txbd = ep->txbase;
+	ep->c_txbd = ep->txbase;
+	ep->data01 = 0; /* data0 */
+
+	/* Init TX and RX bds */
+	bd = ep->rxbase;
+	for (i = 0; i < bdring_len - 1; i++) {
+		out_be32(&bd->buf, 0);
+		out_be32((u32 __iomem *)bd, 0);
+		bd++;
+	}
+	out_be32(&bd->buf, 0);
+	out_be32((u32 __iomem *)bd, R_W);
+
+	bd = ep->txbase;
+	for (i = 0; i < USB_BDRING_LEN_TX - 1; i++) {
+		out_be32(&bd->buf, 0);
+		out_be32((u32 __iomem *)bd, 0);
+		bd++;
+	}
+	out_be32(&bd->buf, 0);
+	out_be32((u32 __iomem *)bd, T_W);
+
+	return 0;
+}
+
+static int qe_ep_rxbd_update(struct qe_ep *ep)
+{
+	unsigned int size;
+	int i;
+	unsigned int tmp;
+	struct qe_bd __iomem *bd;
+	unsigned int bdring_len;
+
+	if (ep->rxbase == NULL)
+		return -EINVAL;
+
+	bd = ep->rxbase;
+
+	ep->rxframe = kmalloc(sizeof(*ep->rxframe), GFP_ATOMIC);
+	if (ep->rxframe == NULL) {
+		dev_err(ep->udc->dev, "malloc rxframe failed\n");
+		return -ENOMEM;
+	}
+
+	qe_frame_init(ep->rxframe);
+
+	if (ep->dir == USB_DIR_OUT)
+		bdring_len = USB_BDRING_LEN_RX;
+	else
+		bdring_len = USB_BDRING_LEN;
+
+	size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) * (bdring_len + 1);
+	ep->rxbuffer = kzalloc(size, GFP_ATOMIC);
+	if (ep->rxbuffer == NULL) {
+		dev_err(ep->udc->dev, "malloc rxbuffer failed,size=%d\n",
+				size);
+		kfree(ep->rxframe);
+		return -ENOMEM;
+	}
+
+	ep->rxbuf_d = virt_to_phys((void *)ep->rxbuffer);
+	if (ep->rxbuf_d == DMA_ADDR_INVALID) {
+		ep->rxbuf_d = dma_map_single(udc_controller->gadget.dev.parent,
+					ep->rxbuffer,
+					size,
+					DMA_FROM_DEVICE);
+		ep->rxbufmap = 1;
+	} else {
+		dma_sync_single_for_device(udc_controller->gadget.dev.parent,
+					ep->rxbuf_d, size,
+					DMA_FROM_DEVICE);
+		ep->rxbufmap = 0;
+	}
+
+	size = ep->ep.maxpacket + USB_CRC_SIZE + 2;
+	tmp = ep->rxbuf_d;
+	tmp = (u32)(((tmp >> 2) << 2) + 4);
+
+	for (i = 0; i < bdring_len - 1; i++) {
+		out_be32(&bd->buf, tmp);
+		out_be32((u32 __iomem *)bd, (R_E | R_I));
+		tmp = tmp + size;
+		bd++;
+	}
+	out_be32(&bd->buf, tmp);
+	out_be32((u32 __iomem *)bd, (R_E | R_I | R_W));
+
+	return 0;
+}
+
+static int qe_ep_register_init(struct qe_udc *udc, unsigned char pipe_num)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+	struct usb_ep_para __iomem *epparam;
+	u16 usep, logepnum;
+	u16 tmp;
+	u8 rtfcr = 0;
+
+	epparam = udc->ep_param[pipe_num];
+
+	usep = 0;
+	logepnum = (ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
+	usep |= (logepnum << USB_EPNUM_SHIFT);
+
+	switch (ep->desc->bmAttributes & 0x03) {
+	case USB_ENDPOINT_XFER_BULK:
+		usep |= USB_TRANS_BULK;
+		break;
+	case USB_ENDPOINT_XFER_ISOC:
+		usep |=  USB_TRANS_ISO;
+		break;
+	case USB_ENDPOINT_XFER_INT:
+		usep |= USB_TRANS_INT;
+		break;
+	default:
+		usep |= USB_TRANS_CTR;
+		break;
+	}
+
+	switch (ep->dir) {
+	case USB_DIR_OUT:
+		usep |= USB_THS_IGNORE_IN;
+		break;
+	case USB_DIR_IN:
+		usep |= USB_RHS_IGNORE_OUT;
+		break;
+	default:
+		break;
+	}
+	out_be16(&udc->usb_regs->usb_usep[pipe_num], usep);
+
+	rtfcr = 0x30;
+	out_8(&epparam->rbmr, rtfcr);
+	out_8(&epparam->tbmr, rtfcr);
+
+	tmp = (u16)(ep->ep.maxpacket + USB_CRC_SIZE);
+	/* MRBLR must be divisble by 4 */
+	tmp = (u16)(((tmp >> 2) << 2) + 4);
+	out_be16(&epparam->mrblr, tmp);
+
+	return 0;
+}
+
+static int qe_ep_init(struct qe_udc *udc,
+		      unsigned char pipe_num,
+		      const struct usb_endpoint_descriptor *desc)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+	unsigned long flags;
+	int reval = 0;
+	u16 max = 0;
+
+	max = le16_to_cpu(desc->wMaxPacketSize);
+
+	/* check the max package size validate for this endpoint */
+	/* Refer to USB2.0 spec table 9-13,
+	*/
+	if (pipe_num != 0) {
+		switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+		case USB_ENDPOINT_XFER_BULK:
+			if (strstr(ep->ep.name, "-iso")
+					|| strstr(ep->ep.name, "-int"))
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+			if ((max == 128) || (max == 256) || (max == 512))
+				break;
+			default:
+				switch (max) {
+				case 4:
+				case 8:
+				case 16:
+				case 32:
+				case 64:
+					break;
+				default:
+				case USB_SPEED_LOW:
+					goto en_done;
+				}
+			}
+			break;
+		case USB_ENDPOINT_XFER_INT:
+			if (strstr(ep->ep.name, "-iso"))	/* bulk is ok */
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+				if (max <= 1024)
+					break;
+			case USB_SPEED_FULL:
+				if (max <= 64)
+					break;
+			default:
+				if (max <= 8)
+					break;
+				goto en_done;
+			}
+			break;
+		case USB_ENDPOINT_XFER_ISOC:
+			if (strstr(ep->ep.name, "-bulk")
+				|| strstr(ep->ep.name, "-int"))
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+				if (max <= 1024)
+					break;
+			case USB_SPEED_FULL:
+				if (max <= 1023)
+					break;
+			default:
+				goto en_done;
+			}
+			break;
+		case USB_ENDPOINT_XFER_CONTROL:
+			if (strstr(ep->ep.name, "-iso")
+				|| strstr(ep->ep.name, "-int"))
+				goto en_done;
+			switch (udc->gadget.speed) {
+			case USB_SPEED_HIGH:
+			case USB_SPEED_FULL:
+				switch (max) {
+				case 1:
+				case 2:
+				case 4:
+				case 8:
+				case 16:
+				case 32:
+				case 64:
+					break;
+				default:
+					goto en_done;
+				}
+			case USB_SPEED_LOW:
+				switch (max) {
+				case 1:
+				case 2:
+				case 4:
+				case 8:
+					break;
+				default:
+					goto en_done;
+				}
+			default:
+				goto en_done;
+			}
+			break;
+
+		default:
+			goto en_done;
+		}
+	} /* if ep0*/
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	/* initialize ep structure */
+	ep->ep.maxpacket = max;
+	ep->tm = (u8)(desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK);
+	ep->desc = desc;
+	ep->stopped = 0;
+	ep->init = 1;
+
+	if (pipe_num == 0) {
+		ep->dir = USB_DIR_BOTH;
+		udc->ep0_dir = USB_DIR_OUT;
+		udc->ep0_state = WAIT_FOR_SETUP;
+	} else	{
+		switch (desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) {
+		case USB_DIR_OUT:
+			ep->dir = USB_DIR_OUT;
+			break;
+		case USB_DIR_IN:
+			ep->dir = USB_DIR_IN;
+		default:
+			break;
+		}
+	}
+
+	/* hardware special operation */
+	qe_ep_bd_init(udc, pipe_num);
+	if ((ep->tm == USBP_TM_CTL) || (ep->dir == USB_DIR_OUT)) {
+		reval = qe_ep_rxbd_update(ep);
+		if (reval)
+			goto en_done1;
+	}
+
+	if ((ep->tm == USBP_TM_CTL) || (ep->dir == USB_DIR_IN)) {
+		ep->txframe = kmalloc(sizeof(*ep->txframe), GFP_ATOMIC);
+		if (ep->txframe == NULL) {
+			dev_err(udc->dev, "malloc txframe failed\n");
+			goto en_done2;
+		}
+		qe_frame_init(ep->txframe);
+	}
+
+	qe_ep_register_init(udc, pipe_num);
+
+	/* Now HW will be NAKing transfers to that EP,
+	 * until a buffer is queued to it. */
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return 0;
+en_done2:
+	kfree(ep->rxbuffer);
+	kfree(ep->rxframe);
+en_done1:
+	spin_unlock_irqrestore(&udc->lock, flags);
+en_done:
+	dev_dbg(udc->dev, "failed to initialize %s\n", ep->ep.name);
+	return -ENODEV;
+}
+
+static inline void qe_usb_enable(void)
+{
+	setbits8(&udc_controller->usb_regs->usb_usmod, USB_MODE_EN);
+}
+
+static inline void qe_usb_disable(void)
+{
+	clrbits8(&udc_controller->usb_regs->usb_usmod, USB_MODE_EN);
+}
+
+/*----------------------------------------------------------------------------*
+ *		USB and EP basic manipulate function end		      *
+ *----------------------------------------------------------------------------*/
+
+
+/******************************************************************************
+		UDC transmit and receive process
+ ******************************************************************************/
+static void recycle_one_rxbd(struct qe_ep *ep)
+{
+	u32 bdstatus;
+
+	bdstatus = in_be32((u32 __iomem *)ep->e_rxbd);
+	bdstatus = R_I | R_E | (bdstatus & R_W);
+	out_be32((u32 __iomem *)ep->e_rxbd, bdstatus);
+
+	if (bdstatus & R_W)
+		ep->e_rxbd = ep->rxbase;
+	else
+		ep->e_rxbd++;
+}
+
+static void recycle_rxbds(struct qe_ep *ep, unsigned char stopatnext)
+{
+	u32 bdstatus;
+	struct qe_bd __iomem *bd, *nextbd;
+	unsigned char stop = 0;
+
+	nextbd = ep->n_rxbd;
+	bd = ep->e_rxbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+
+	while (!(bdstatus & R_E) && !(bdstatus & BD_LENGTH_MASK) && !stop) {
+		bdstatus = R_E | R_I | (bdstatus & R_W);
+		out_be32((u32 __iomem *)bd, bdstatus);
+
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		bdstatus = in_be32((u32 __iomem *)bd);
+		if (stopatnext && (bd == nextbd))
+			stop = 1;
+	}
+
+	ep->e_rxbd = bd;
+}
+
+static void ep_recycle_rxbds(struct qe_ep *ep)
+{
+	struct qe_bd __iomem *bd = ep->n_rxbd;
+	u32 bdstatus;
+	u8 epnum = ep->epnum;
+	struct qe_udc *udc = ep->udc;
+
+	bdstatus = in_be32((u32 __iomem *)bd);
+	if (!(bdstatus & R_E) && !(bdstatus & BD_LENGTH_MASK)) {
+		bd = ep->rxbase +
+				((in_be16(&udc->ep_param[epnum]->rbptr) -
+				  in_be16(&udc->ep_param[epnum]->rbase))
+				 >> 3);
+		bdstatus = in_be32((u32 __iomem *)bd);
+
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		ep->e_rxbd = bd;
+		recycle_rxbds(ep, 0);
+		ep->e_rxbd = ep->n_rxbd;
+	} else
+		recycle_rxbds(ep, 1);
+
+	if (in_be16(&udc->usb_regs->usb_usber) & USB_E_BSY_MASK)
+		out_be16(&udc->usb_regs->usb_usber, USB_E_BSY_MASK);
+
+	if (ep->has_data <= 0 && (!list_empty(&ep->queue)))
+		qe_eprx_normal(ep);
+
+	ep->localnack = 0;
+}
+
+static void setup_received_handle(struct qe_udc *udc,
+					struct usb_ctrlrequest *setup);
+static int qe_ep_rxframe_handle(struct qe_ep *ep);
+static void ep0_req_complete(struct qe_udc *udc, struct qe_req *req);
+/* when BD PID is setup, handle the packet */
+static int ep0_setup_handle(struct qe_udc *udc)
+{
+	struct qe_ep *ep = &udc->eps[0];
+	struct qe_frame *pframe;
+	unsigned int fsize;
+	u8 *cp;
+
+	pframe = ep->rxframe;
+	if ((frame_get_info(pframe) & PID_SETUP)
+			&& (udc->ep0_state == WAIT_FOR_SETUP)) {
+		fsize = frame_get_length(pframe);
+		if (unlikely(fsize != 8))
+			return -EINVAL;
+		cp = (u8 *)&udc->local_setup_buff;
+		memcpy(cp, pframe->data, fsize);
+		ep->data01 = 1;
+
+		/* handle the usb command base on the usb_ctrlrequest */
+		setup_received_handle(udc, &udc->local_setup_buff);
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int qe_ep0_rx(struct qe_udc *udc)
+{
+	struct qe_ep *ep = &udc->eps[0];
+	struct qe_frame *pframe;
+	struct qe_bd __iomem *bd;
+	u32 bdstatus, length;
+	u32 vaddr;
+
+	pframe = ep->rxframe;
+
+	if (ep->dir == USB_DIR_IN) {
+		dev_err(udc->dev, "ep0 not a control endpoint\n");
+		return -EINVAL;
+	}
+
+	bd = ep->n_rxbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	length = bdstatus & BD_LENGTH_MASK;
+
+	while (!(bdstatus & R_E) && length) {
+		if ((bdstatus & R_F) && (bdstatus & R_L)
+			&& !(bdstatus & R_ERROR)) {
+			if (length == USB_CRC_SIZE) {
+				udc->ep0_state = WAIT_FOR_SETUP;
+				dev_vdbg(udc->dev,
+					"receive a ZLP in status phase\n");
+			} else {
+				qe_frame_clean(pframe);
+				vaddr = (u32)phys_to_virt(in_be32(&bd->buf));
+				frame_set_data(pframe, (u8 *)vaddr);
+				frame_set_length(pframe,
+						(length - USB_CRC_SIZE));
+				frame_set_status(pframe, FRAME_OK);
+				switch (bdstatus & R_PID) {
+				case R_PID_SETUP:
+					frame_set_info(pframe, PID_SETUP);
+					break;
+				case R_PID_DATA1:
+					frame_set_info(pframe, PID_DATA1);
+					break;
+				default:
+					frame_set_info(pframe, PID_DATA0);
+					break;
+				}
+
+				if ((bdstatus & R_PID) == R_PID_SETUP)
+					ep0_setup_handle(udc);
+				else
+					qe_ep_rxframe_handle(ep);
+			}
+		} else {
+			dev_err(udc->dev, "The receive frame with error!\n");
+		}
+
+		/* note: don't clear the rxbd's buffer address */
+		recycle_one_rxbd(ep);
+
+		/* Get next BD */
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		bdstatus = in_be32((u32 __iomem *)bd);
+		length = bdstatus & BD_LENGTH_MASK;
+
+	}
+
+	ep->n_rxbd = bd;
+
+	return 0;
+}
+
+static int qe_ep_rxframe_handle(struct qe_ep *ep)
+{
+	struct qe_frame *pframe;
+	u8 framepid = 0;
+	unsigned int fsize;
+	u8 *cp;
+	struct qe_req *req;
+
+	pframe = ep->rxframe;
+
+	if (frame_get_info(pframe) & PID_DATA1)
+		framepid = 0x1;
+
+	if (framepid != ep->data01) {
+		dev_err(ep->udc->dev, "the data01 error!\n");
+		return -EIO;
+	}
+
+	fsize = frame_get_length(pframe);
+	if (list_empty(&ep->queue)) {
+		dev_err(ep->udc->dev, "the %s have no requeue!\n", ep->name);
+	} else {
+		req = list_entry(ep->queue.next, struct qe_req, queue);
+
+		cp = (u8 *)(req->req.buf) + req->req.actual;
+		if (cp) {
+			memcpy(cp, pframe->data, fsize);
+			req->req.actual += fsize;
+			if ((fsize < ep->ep.maxpacket) ||
+					(req->req.actual >= req->req.length)) {
+				if (ep->epnum == 0)
+					ep0_req_complete(ep->udc, req);
+				else
+					done(ep, req, 0);
+				if (list_empty(&ep->queue) && ep->epnum != 0)
+					qe_eprx_nack(ep);
+			}
+		}
+	}
+
+	qe_ep_toggledata01(ep);
+
+	return 0;
+}
+
+static void ep_rx_tasklet(unsigned long data)
+{
+	struct qe_udc *udc = (struct qe_udc *)data;
+	struct qe_ep *ep;
+	struct qe_frame *pframe;
+	struct qe_bd __iomem *bd;
+	unsigned long flags;
+	u32 bdstatus, length;
+	u32 vaddr, i;
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	for (i = 1; i < USB_MAX_ENDPOINTS; i++) {
+		ep = &udc->eps[i];
+
+		if (ep->dir == USB_DIR_IN || ep->enable_tasklet == 0) {
+			dev_dbg(udc->dev,
+				"This is a transmit ep or disable tasklet!\n");
+			continue;
+		}
+
+		pframe = ep->rxframe;
+		bd = ep->n_rxbd;
+		bdstatus = in_be32((u32 __iomem *)bd);
+		length = bdstatus & BD_LENGTH_MASK;
+
+		while (!(bdstatus & R_E) && length) {
+			if (list_empty(&ep->queue)) {
+				qe_eprx_nack(ep);
+				dev_dbg(udc->dev,
+					"The rxep have noreq %d\n",
+					ep->has_data);
+				break;
+			}
+
+			if ((bdstatus & R_F) && (bdstatus & R_L)
+				&& !(bdstatus & R_ERROR)) {
+				qe_frame_clean(pframe);
+				vaddr = (u32)phys_to_virt(in_be32(&bd->buf));
+				frame_set_data(pframe, (u8 *)vaddr);
+				frame_set_length(pframe,
+						(length - USB_CRC_SIZE));
+				frame_set_status(pframe, FRAME_OK);
+				switch (bdstatus & R_PID) {
+				case R_PID_DATA1:
+					frame_set_info(pframe, PID_DATA1);
+					break;
+				case R_PID_SETUP:
+					frame_set_info(pframe, PID_SETUP);
+					break;
+				default:
+					frame_set_info(pframe, PID_DATA0);
+					break;
+				}
+				/* handle the rx frame */
+				qe_ep_rxframe_handle(ep);
+			} else {
+				dev_err(udc->dev,
+					"error in received frame\n");
+			}
+			/* note: don't clear the rxbd's buffer address */
+			/*clear the length */
+			out_be32((u32 __iomem *)bd, bdstatus & BD_STATUS_MASK);
+			ep->has_data--;
+			if (!(ep->localnack))
+				recycle_one_rxbd(ep);
+
+			/* Get next BD */
+			if (bdstatus & R_W)
+				bd = ep->rxbase;
+			else
+				bd++;
+
+			bdstatus = in_be32((u32 __iomem *)bd);
+			length = bdstatus & BD_LENGTH_MASK;
+		}
+
+		ep->n_rxbd = bd;
+
+		if (ep->localnack)
+			ep_recycle_rxbds(ep);
+
+		ep->enable_tasklet = 0;
+	} /* for i=1 */
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+}
+
+static int qe_ep_rx(struct qe_ep *ep)
+{
+	struct qe_udc *udc;
+	struct qe_frame *pframe;
+	struct qe_bd __iomem *bd;
+	u16 swoffs, ucoffs, emptybds;
+
+	udc = ep->udc;
+	pframe = ep->rxframe;
+
+	if (ep->dir == USB_DIR_IN) {
+		dev_err(udc->dev, "transmit ep in rx function\n");
+		return -EINVAL;
+	}
+
+	bd = ep->n_rxbd;
+
+	swoffs = (u16)(bd - ep->rxbase);
+	ucoffs = (u16)((in_be16(&udc->ep_param[ep->epnum]->rbptr) -
+			in_be16(&udc->ep_param[ep->epnum]->rbase)) >> 3);
+	if (swoffs < ucoffs)
+		emptybds = USB_BDRING_LEN_RX - ucoffs + swoffs;
+	else
+		emptybds = swoffs - ucoffs;
+
+	if (emptybds < MIN_EMPTY_BDS) {
+		qe_eprx_nack(ep);
+		ep->localnack = 1;
+		dev_vdbg(udc->dev, "%d empty bds, send NACK\n", emptybds);
+	}
+	ep->has_data = USB_BDRING_LEN_RX - emptybds;
+
+	if (list_empty(&ep->queue)) {
+		qe_eprx_nack(ep);
+		dev_vdbg(udc->dev, "The rxep have no req queued with %d BDs\n",
+				ep->has_data);
+		return 0;
+	}
+
+	tasklet_schedule(&udc->rx_tasklet);
+	ep->enable_tasklet = 1;
+
+	return 0;
+}
+
+/* send data from a frame, no matter what tx_req */
+static int qe_ep_tx(struct qe_ep *ep, struct qe_frame *frame)
+{
+	struct qe_udc *udc = ep->udc;
+	struct qe_bd __iomem *bd;
+	u16 saveusbmr;
+	u32 bdstatus, pidmask;
+	u32 paddr;
+
+	if (ep->dir == USB_DIR_OUT) {
+		dev_err(udc->dev, "receive ep passed to tx function\n");
+		return -EINVAL;
+	}
+
+	/* Disable the Tx interrupt */
+	saveusbmr = in_be16(&udc->usb_regs->usb_usbmr);
+	out_be16(&udc->usb_regs->usb_usbmr,
+			saveusbmr & ~(USB_E_TXB_MASK | USB_E_TXE_MASK));
+
+	bd = ep->n_txbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+
+	if (!(bdstatus & (T_R | BD_LENGTH_MASK))) {
+		if (frame_get_length(frame) == 0) {
+			frame_set_data(frame, udc->nullbuf);
+			frame_set_length(frame, 2);
+			frame->info |= (ZLP | NO_CRC);
+			dev_vdbg(udc->dev, "the frame size = 0\n");
+		}
+		paddr = virt_to_phys((void *)frame->data);
+		out_be32(&bd->buf, paddr);
+		bdstatus = (bdstatus&T_W);
+		if (!(frame_get_info(frame) & NO_CRC))
+			bdstatus |= T_R | T_I | T_L | T_TC
+					| frame_get_length(frame);
+		else
+			bdstatus |= T_R | T_I | T_L | frame_get_length(frame);
+
+		/* if the packet is a ZLP in status phase */
+		if ((ep->epnum == 0) && (udc->ep0_state == DATA_STATE_NEED_ZLP))
+			ep->data01 = 0x1;
+
+		if (ep->data01) {
+			pidmask = T_PID_DATA1;
+			frame->info |= PID_DATA1;
+		} else {
+			pidmask = T_PID_DATA0;
+			frame->info |= PID_DATA0;
+		}
+		bdstatus |= T_CNF;
+		bdstatus |= pidmask;
+		out_be32((u32 __iomem *)bd, bdstatus);
+		qe_ep_filltxfifo(ep);
+
+		/* enable the TX interrupt */
+		out_be16(&udc->usb_regs->usb_usbmr, saveusbmr);
+
+		qe_ep_toggledata01(ep);
+		if (bdstatus & T_W)
+			ep->n_txbd = ep->txbase;
+		else
+			ep->n_txbd++;
+
+		return 0;
+	} else {
+		out_be16(&udc->usb_regs->usb_usbmr, saveusbmr);
+		dev_vdbg(udc->dev, "The tx bd is not ready!\n");
+		return -EBUSY;
+	}
+}
+
+/* when an bd was transmitted, the function can *
+ * handle the tx_req, not include ep0           */
+static int txcomplete(struct qe_ep *ep, unsigned char restart)
+{
+	if (ep->tx_req != NULL) {
+		if (!restart) {
+			int asent = ep->last;
+			ep->sent += asent;
+			ep->last -= asent;
+		} else {
+			ep->last = 0;
+		}
+
+		/* a request already were transmitted completely */
+		if ((ep->tx_req->req.length - ep->sent) <= 0) {
+			ep->tx_req->req.actual = (unsigned int)ep->sent;
+			done(ep, ep->tx_req, 0);
+			ep->tx_req = NULL;
+			ep->last = 0;
+			ep->sent = 0;
+		}
+	}
+
+	/* we should gain a new tx_req fot this endpoint */
+	if (ep->tx_req == NULL) {
+		if (!list_empty(&ep->queue)) {
+			ep->tx_req = list_entry(ep->queue.next,	struct qe_req,
+							queue);
+			ep->last = 0;
+			ep->sent = 0;
+		}
+	}
+
+	return 0;
+}
+
+/* give a frame and a tx_req,send some data */
+static int qe_usb_senddata(struct qe_ep *ep, struct qe_frame *frame)
+{
+	unsigned int size;
+	u8 *buf;
+
+	qe_frame_clean(frame);
+	size = min_t(u32, (ep->tx_req->req.length - ep->sent),
+				ep->ep.maxpacket);
+	buf = (u8 *)ep->tx_req->req.buf + ep->sent;
+	if (buf && size) {
+		ep->last = size;
+		frame_set_data(frame, buf);
+		frame_set_length(frame, size);
+		frame_set_status(frame, FRAME_OK);
+		frame_set_info(frame, 0);
+		return qe_ep_tx(ep, frame);
+	}
+	return -EIO;
+}
+
+/* give a frame struct,send a ZLP */
+static int sendnulldata(struct qe_ep *ep, struct qe_frame *frame, uint infor)
+{
+	struct qe_udc *udc = ep->udc;
+
+	if (frame == NULL)
+		return -ENODEV;
+
+	qe_frame_clean(frame);
+	frame_set_data(frame, (u8 *)udc->nullbuf);
+	frame_set_length(frame, 2);
+	frame_set_status(frame, FRAME_OK);
+	frame_set_info(frame, (ZLP | NO_CRC | infor));
+
+	return qe_ep_tx(ep, frame);
+}
+
+static int frame_create_tx(struct qe_ep *ep, struct qe_frame *frame)
+{
+	struct qe_req *req = ep->tx_req;
+	int reval;
+
+	if (req == NULL)
+		return -ENODEV;
+
+	if ((req->req.length - ep->sent) > 0)
+		reval = qe_usb_senddata(ep, frame);
+	else
+		reval = sendnulldata(ep, frame, 0);
+
+	return reval;
+}
+
+/* if direction is DIR_IN, the status is Device->Host
+ * if direction is DIR_OUT, the status transaction is Device<-Host
+ * in status phase, udc create a request and gain status */
+static int ep0_prime_status(struct qe_udc *udc, int direction)
+{
+
+	struct qe_ep *ep = &udc->eps[0];
+
+	if (direction == USB_DIR_IN) {
+		udc->ep0_state = DATA_STATE_NEED_ZLP;
+		udc->ep0_dir = USB_DIR_IN;
+		sendnulldata(ep, ep->txframe, SETUP_STATUS | NO_REQ);
+	} else {
+		udc->ep0_dir = USB_DIR_OUT;
+		udc->ep0_state = WAIT_FOR_OUT_STATUS;
+	}
+
+	return 0;
+}
+
+/* a request complete in ep0, whether gadget request or udc request */
+static void ep0_req_complete(struct qe_udc *udc, struct qe_req *req)
+{
+	struct qe_ep *ep = &udc->eps[0];
+	/* because usb and ep's status already been set in ch9setaddress() */
+
+	switch (udc->ep0_state) {
+	case DATA_STATE_XMIT:
+		done(ep, req, 0);
+		/* receive status phase */
+		if (ep0_prime_status(udc, USB_DIR_OUT))
+			qe_ep0_stall(udc);
+		break;
+
+	case DATA_STATE_NEED_ZLP:
+		done(ep, req, 0);
+		udc->ep0_state = WAIT_FOR_SETUP;
+		break;
+
+	case DATA_STATE_RECV:
+		done(ep, req, 0);
+		/* send status phase */
+		if (ep0_prime_status(udc, USB_DIR_IN))
+			qe_ep0_stall(udc);
+		break;
+
+	case WAIT_FOR_OUT_STATUS:
+		done(ep, req, 0);
+		udc->ep0_state = WAIT_FOR_SETUP;
+		break;
+
+	case WAIT_FOR_SETUP:
+		dev_vdbg(udc->dev, "Unexpected interrupt\n");
+		break;
+
+	default:
+		qe_ep0_stall(udc);
+		break;
+	}
+}
+
+static int ep0_txcomplete(struct qe_ep *ep, unsigned char restart)
+{
+	struct qe_req *tx_req = NULL;
+	struct qe_frame *frame = ep->txframe;
+
+	if ((frame_get_info(frame) & (ZLP | NO_REQ)) == (ZLP | NO_REQ)) {
+		if (!restart)
+			ep->udc->ep0_state = WAIT_FOR_SETUP;
+		else
+			sendnulldata(ep, ep->txframe, SETUP_STATUS | NO_REQ);
+		return 0;
+	}
+
+	tx_req = ep->tx_req;
+	if (tx_req != NULL) {
+		if (!restart) {
+			int asent = ep->last;
+			ep->sent += asent;
+			ep->last -= asent;
+		} else {
+			ep->last = 0;
+		}
+
+		/* a request already were transmitted completely */
+		if ((ep->tx_req->req.length - ep->sent) <= 0) {
+			ep->tx_req->req.actual = (unsigned int)ep->sent;
+			ep0_req_complete(ep->udc, ep->tx_req);
+			ep->tx_req = NULL;
+			ep->last = 0;
+			ep->sent = 0;
+		}
+	} else {
+		dev_vdbg(ep->udc->dev, "the ep0_controller have no req\n");
+	}
+
+	return 0;
+}
+
+static int ep0_txframe_handle(struct qe_ep *ep)
+{
+	/* if have error, transmit again */
+	if (frame_get_status(ep->txframe) & FRAME_ERROR) {
+		qe_ep_flushtxfifo(ep);
+		dev_vdbg(ep->udc->dev, "The EP0 transmit data have error!\n");
+		if (frame_get_info(ep->txframe) & PID_DATA0)
+			ep->data01 = 0;
+		else
+			ep->data01 = 1;
+
+		ep0_txcomplete(ep, 1);
+	} else
+		ep0_txcomplete(ep, 0);
+
+	frame_create_tx(ep, ep->txframe);
+	return 0;
+}
+
+static int qe_ep0_txconf(struct qe_ep *ep)
+{
+	struct qe_bd __iomem *bd;
+	struct qe_frame *pframe;
+	u32 bdstatus;
+
+	bd = ep->c_txbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	while (!(bdstatus & T_R) && (bdstatus & ~T_W)) {
+		pframe = ep->txframe;
+
+		/* clear and recycle the BD */
+		out_be32((u32 __iomem *)bd, bdstatus & T_W);
+		out_be32(&bd->buf, 0);
+		if (bdstatus & T_W)
+			ep->c_txbd = ep->txbase;
+		else
+			ep->c_txbd++;
+
+		if (ep->c_txbd == ep->n_txbd) {
+			if (bdstatus & DEVICE_T_ERROR) {
+				frame_set_status(pframe, FRAME_ERROR);
+				if (bdstatus & T_TO)
+					pframe->status |= TX_ER_TIMEOUT;
+				if (bdstatus & T_UN)
+					pframe->status |= TX_ER_UNDERUN;
+			}
+			ep0_txframe_handle(ep);
+		}
+
+		bd = ep->c_txbd;
+		bdstatus = in_be32((u32 __iomem *)bd);
+	}
+
+	return 0;
+}
+
+static int ep_txframe_handle(struct qe_ep *ep)
+{
+	if (frame_get_status(ep->txframe) & FRAME_ERROR) {
+		qe_ep_flushtxfifo(ep);
+		dev_vdbg(ep->udc->dev, "The EP0 transmit data have error!\n");
+		if (frame_get_info(ep->txframe) & PID_DATA0)
+			ep->data01 = 0;
+		else
+			ep->data01 = 1;
+
+		txcomplete(ep, 1);
+	} else
+		txcomplete(ep, 0);
+
+	frame_create_tx(ep, ep->txframe); /* send the data */
+	return 0;
+}
+
+/* confirm the already trainsmited bd */
+static int qe_ep_txconf(struct qe_ep *ep)
+{
+	struct qe_bd __iomem *bd;
+	struct qe_frame *pframe = NULL;
+	u32 bdstatus;
+	unsigned char breakonrxinterrupt = 0;
+
+	bd = ep->c_txbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	while (!(bdstatus & T_R) && (bdstatus & ~T_W)) {
+		pframe = ep->txframe;
+		if (bdstatus & DEVICE_T_ERROR) {
+			frame_set_status(pframe, FRAME_ERROR);
+			if (bdstatus & T_TO)
+				pframe->status |= TX_ER_TIMEOUT;
+			if (bdstatus & T_UN)
+				pframe->status |= TX_ER_UNDERUN;
+		}
+
+		/* clear and recycle the BD */
+		out_be32((u32 __iomem *)bd, bdstatus & T_W);
+		out_be32(&bd->buf, 0);
+		if (bdstatus & T_W)
+			ep->c_txbd = ep->txbase;
+		else
+			ep->c_txbd++;
+
+		/* handle the tx frame */
+		ep_txframe_handle(ep);
+		bd = ep->c_txbd;
+		bdstatus = in_be32((u32 __iomem *)bd);
+	}
+	if (breakonrxinterrupt)
+		return -EIO;
+	else
+		return 0;
+}
+
+/* Add a request in queue, and try to transmit a packet */
+static int ep_req_send(struct qe_ep *ep, struct qe_req *req)
+{
+	int reval = 0;
+
+	if (ep->tx_req == NULL) {
+		ep->sent = 0;
+		ep->last = 0;
+		txcomplete(ep, 0); /* can gain a new tx_req */
+		reval = frame_create_tx(ep, ep->txframe);
+	}
+	return reval;
+}
+
+/* Maybe this is a good ideal */
+static int ep_req_rx(struct qe_ep *ep, struct qe_req *req)
+{
+	struct qe_udc *udc = ep->udc;
+	struct qe_frame *pframe = NULL;
+	struct qe_bd __iomem *bd;
+	u32 bdstatus, length;
+	u32 vaddr, fsize;
+	u8 *cp;
+	u8 finish_req = 0;
+	u8 framepid;
+
+	if (list_empty(&ep->queue)) {
+		dev_vdbg(udc->dev, "the req already finish!\n");
+		return 0;
+	}
+	pframe = ep->rxframe;
+
+	bd = ep->n_rxbd;
+	bdstatus = in_be32((u32 __iomem *)bd);
+	length = bdstatus & BD_LENGTH_MASK;
+
+	while (!(bdstatus & R_E) && length) {
+		if (finish_req)
+			break;
+		if ((bdstatus & R_F) && (bdstatus & R_L)
+					&& !(bdstatus & R_ERROR)) {
+			qe_frame_clean(pframe);
+			vaddr = (u32)phys_to_virt(in_be32(&bd->buf));
+			frame_set_data(pframe, (u8 *)vaddr);
+			frame_set_length(pframe, (length - USB_CRC_SIZE));
+			frame_set_status(pframe, FRAME_OK);
+			switch (bdstatus & R_PID) {
+			case R_PID_DATA1:
+				frame_set_info(pframe, PID_DATA1); break;
+			default:
+				frame_set_info(pframe, PID_DATA0); break;
+			}
+			/* handle the rx frame */
+
+			if (frame_get_info(pframe) & PID_DATA1)
+				framepid = 0x1;
+			else
+				framepid = 0;
+
+			if (framepid != ep->data01) {
+				dev_vdbg(udc->dev, "the data01 error!\n");
+			} else {
+				fsize = frame_get_length(pframe);
+
+				cp = (u8 *)(req->req.buf) + req->req.actual;
+				if (cp) {
+					memcpy(cp, pframe->data, fsize);
+					req->req.actual += fsize;
+					if ((fsize < ep->ep.maxpacket)
+						|| (req->req.actual >=
+							req->req.length)) {
+						finish_req = 1;
+						done(ep, req, 0);
+						if (list_empty(&ep->queue))
+							qe_eprx_nack(ep);
+					}
+				}
+				qe_ep_toggledata01(ep);
+			}
+		} else {
+			dev_err(udc->dev, "The receive frame with error!\n");
+		}
+
+		/* note: don't clear the rxbd's buffer address *
+		 * only Clear the length */
+		out_be32((u32 __iomem *)bd, (bdstatus & BD_STATUS_MASK));
+		ep->has_data--;
+
+		/* Get next BD */
+		if (bdstatus & R_W)
+			bd = ep->rxbase;
+		else
+			bd++;
+
+		bdstatus = in_be32((u32 __iomem *)bd);
+		length = bdstatus & BD_LENGTH_MASK;
+	}
+
+	ep->n_rxbd = bd;
+	ep_recycle_rxbds(ep);
+
+	return 0;
+}
+
+/* only add the request in queue */
+static int ep_req_receive(struct qe_ep *ep, struct qe_req *req)
+{
+	if (ep->state == EP_STATE_NACK) {
+		if (ep->has_data <= 0) {
+			/* Enable rx and unmask rx interrupt */
+			qe_eprx_normal(ep);
+		} else {
+			/* Copy the exist BD data */
+			ep_req_rx(ep, req);
+		}
+	}
+
+	return 0;
+}
+
+/********************************************************************
+	Internal Used Function End
+********************************************************************/
+
+/*-----------------------------------------------------------------------
+	Endpoint Management Functions For Gadget
+ -----------------------------------------------------------------------*/
+static int qe_ep_enable(struct usb_ep *_ep,
+			 const struct usb_endpoint_descriptor *desc)
+{
+	struct qe_udc *udc;
+	struct qe_ep *ep;
+	int retval = 0;
+	unsigned char epnum;
+
+	ep = container_of(_ep, struct qe_ep, ep);
+
+	/* catch various bogus parameters */
+	if (!_ep || !desc || ep->desc || _ep->name == ep_name[0] ||
+			(desc->bDescriptorType != USB_DT_ENDPOINT))
+		return -EINVAL;
+
+	udc = ep->udc;
+	if (!udc->driver || (udc->gadget.speed == USB_SPEED_UNKNOWN))
+		return -ESHUTDOWN;
+
+	epnum = (u8)desc->bEndpointAddress & 0xF;
+
+	retval = qe_ep_init(udc, epnum, desc);
+	if (retval != 0) {
+		cpm_muram_free(cpm_muram_offset(ep->rxbase));
+		dev_dbg(udc->dev, "enable ep%d failed\n", ep->epnum);
+		return -EINVAL;
+	}
+	dev_dbg(udc->dev, "enable ep%d successful\n", ep->epnum);
+	return 0;
+}
+
+static int qe_ep_disable(struct usb_ep *_ep)
+{
+	struct qe_udc *udc;
+	struct qe_ep *ep;
+	unsigned long flags;
+	unsigned int size;
+
+	ep = container_of(_ep, struct qe_ep, ep);
+	udc = ep->udc;
+
+	if (!_ep || !ep->desc) {
+		dev_dbg(udc->dev, "%s not enabled\n", _ep ? ep->ep.name : NULL);
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&udc->lock, flags);
+	/* Nuke all pending requests (does flush) */
+	nuke(ep, -ESHUTDOWN);
+	ep->desc = NULL;
+	ep->stopped = 1;
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	cpm_muram_free(cpm_muram_offset(ep->rxbase));
+
+	if (ep->dir == USB_DIR_OUT)
+		size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) *
+				(USB_BDRING_LEN_RX + 1);
+	else
+		size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) *
+				(USB_BDRING_LEN + 1);
+
+	if (ep->dir != USB_DIR_IN) {
+		kfree(ep->rxframe);
+		if (ep->rxbufmap) {
+			dma_unmap_single(udc_controller->gadget.dev.parent,
+					ep->rxbuf_d, size,
+					DMA_FROM_DEVICE);
+			ep->rxbuf_d = DMA_ADDR_INVALID;
+		} else {
+			dma_sync_single_for_cpu(
+					udc_controller->gadget.dev.parent,
+					ep->rxbuf_d, size,
+					DMA_FROM_DEVICE);
+		}
+		kfree(ep->rxbuffer);
+	}
+
+	if (ep->dir != USB_DIR_OUT)
+		kfree(ep->txframe);
+
+	dev_dbg(udc->dev, "disabled %s OK\n", _ep->name);
+	return 0;
+}
+
+static struct usb_request *qe_alloc_request(struct usb_ep *_ep,	gfp_t gfp_flags)
+{
+	struct qe_req *req;
+
+	req = kzalloc(sizeof(*req), gfp_flags);
+	if (!req)
+		return NULL;
+
+	req->req.dma = DMA_ADDR_INVALID;
+
+	INIT_LIST_HEAD(&req->queue);
+
+	return &req->req;
+}
+
+static void qe_free_request(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct qe_req *req;
+
+	req = container_of(_req, struct qe_req, req);
+
+	if (_req)
+		kfree(req);
+}
+
+/* queues (submits) an I/O request to an endpoint */
+static int qe_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
+				gfp_t gfp_flags)
+{
+	struct qe_ep *ep = container_of(_ep, struct qe_ep, ep);
+	struct qe_req *req = container_of(_req, struct qe_req, req);
+	struct qe_udc *udc;
+	unsigned long flags;
+	int reval;
+
+	udc = ep->udc;
+	/* catch various bogus parameters */
+	if (!_req || !req->req.complete || !req->req.buf
+			|| !list_empty(&req->queue)) {
+		dev_dbg(udc->dev, "bad params\n");
+		return -EINVAL;
+	}
+	if (!_ep || (!ep->desc && ep_index(ep))) {
+		dev_dbg(udc->dev, "bad ep\n");
+		return -EINVAL;
+	}
+
+	if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
+		return -ESHUTDOWN;
+
+	req->ep = ep;
+
+	/* map virtual address to hardware */
+	if (req->req.dma == DMA_ADDR_INVALID) {
+		req->req.dma = dma_map_single(ep->udc->gadget.dev.parent,
+					req->req.buf,
+					req->req.length,
+					ep_is_in(ep)
+					? DMA_TO_DEVICE :
+					DMA_FROM_DEVICE);
+		req->mapped = 1;
+	} else {
+		dma_sync_single_for_device(ep->udc->gadget.dev.parent,
+					req->req.dma, req->req.length,
+					ep_is_in(ep)
+					? DMA_TO_DEVICE :
+					DMA_FROM_DEVICE);
+		req->mapped = 0;
+	}
+
+	req->req.status = -EINPROGRESS;
+	req->req.actual = 0;
+
+	list_add_tail(&req->queue, &ep->queue);
+	dev_vdbg(udc->dev, "gadget have request in %s! %d\n",
+			ep->name, req->req.length);
+	spin_lock_irqsave(&udc->lock, flags);
+	/* push the request to device */
+	if (ep_is_in(ep))
+		reval = ep_req_send(ep, req);
+
+	/* EP0 */
+	if (ep_index(ep) == 0 && req->req.length > 0) {
+		if (ep_is_in(ep))
+			udc->ep0_state = DATA_STATE_XMIT;
+		else
+			udc->ep0_state = DATA_STATE_RECV;
+	}
+
+	if (ep->dir == USB_DIR_OUT)
+		reval = ep_req_receive(ep, req);
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return 0;
+}
+
+/* dequeues (cancels, unlinks) an I/O request from an endpoint */
+static int qe_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct qe_ep *ep = container_of(_ep, struct qe_ep, ep);
+	struct qe_req *req;
+	unsigned long flags;
+
+	if (!_ep || !_req)
+		return -EINVAL;
+
+	spin_lock_irqsave(&ep->udc->lock, flags);
+
+	/* make sure it's actually queued on this endpoint */
+	list_for_each_entry(req, &ep->queue, queue) {
+		if (&req->req == _req)
+			break;
+	}
+
+	if (&req->req != _req) {
+		spin_unlock_irqrestore(&ep->udc->lock, flags);
+		return -EINVAL;
+	}
+
+	done(ep, req, -ECONNRESET);
+
+	spin_unlock_irqrestore(&ep->udc->lock, flags);
+	return 0;
+}
+
+/*-----------------------------------------------------------------
+ * modify the endpoint halt feature
+ * @ep: the non-isochronous endpoint being stalled
+ * @value: 1--set halt  0--clear halt
+ * Returns zero, or a negative error code.
+*----------------------------------------------------------------*/
+static int qe_ep_set_halt(struct usb_ep *_ep, int value)
+{
+	struct qe_ep *ep;
+	unsigned long flags;
+	int status = -EOPNOTSUPP;
+	struct qe_udc *udc;
+
+	ep = container_of(_ep, struct qe_ep, ep);
+	if (!_ep || !ep->desc) {
+		status = -EINVAL;
+		goto out;
+	}
+
+	if (ep->epnum != 0) {
+		status = 0;
+		goto out;
+	}
+
+	udc = ep->udc;
+	/* Attempt to halt IN ep will fail if any transfer requests
+	 * are still queue */
+	if (value && ep_is_in(ep) && !list_empty(&ep->queue)) {
+		status = -EAGAIN;
+		goto out;
+	}
+
+	status = 0;
+	spin_lock_irqsave(&ep->udc->lock, flags);
+	qe_eptx_stall_change(ep, value);
+	qe_eprx_stall_change(ep, value);
+	spin_unlock_irqrestore(&ep->udc->lock, flags);
+
+	if (ep->epnum == 0) {
+		udc->ep0_state = WAIT_FOR_SETUP;
+		udc->ep0_dir = 0;
+	}
+out:
+	dev_vdbg(udc->dev, " %s %s halt stat %d\n", ep->ep.name,
+			value ?  "set" : "clear", status);
+
+	return status;
+}
+
+static struct usb_ep_ops qe_ep_ops = {
+	.enable = qe_ep_enable,
+	.disable = qe_ep_disable,
+
+	.alloc_request = qe_alloc_request,
+	.free_request = qe_free_request,
+
+	.queue = qe_ep_queue,
+	.dequeue = qe_ep_dequeue,
+
+	.set_halt = qe_ep_set_halt,
+};
+
+/*------------------------------------------------------------------------
+	Gadget Driver Layer Operations
+ ------------------------------------------------------------------------*/
+
+/* Get the current frame number */
+static int qe_get_frame(struct usb_gadget *gadget)
+{
+	u16 tmp;
+
+	tmp = in_be16(&udc_controller->usb_param->frame_n);
+	if (tmp & 0x8000)
+		tmp = tmp & 0x07ff;
+	else
+		tmp = -EINVAL;
+
+	return (int)tmp;
+}
+
+/* Tries to wake up the host connected to this gadget
+ *
+ * Return : 0-success
+ * Negative-this feature not enabled by host or not supported by device hw
+ */
+static int qe_wakeup(struct usb_gadget *gadget)
+{
+	return -ENOTSUPP;
+}
+
+/* Notify controller that VBUS is powered, Called by whatever
+   detects VBUS sessions */
+static int qe_vbus_session(struct usb_gadget *gadget, int is_active)
+{
+	return -ENOTSUPP;
+}
+
+/* constrain controller's VBUS power usage
+ * This call is used by gadget drivers during SET_CONFIGURATION calls,
+ * reporting how much power the device may consume.  For example, this
+ * could affect how quickly batteries are recharged.
+ *
+ * Returns zero on success, else negative errno.
+ */
+static int qe_vbus_draw(struct usb_gadget *gadget, unsigned mA)
+{
+	return -ENOTSUPP;
+}
+
+/* Change Data+ pullup status
+ * this func is used by usb_gadget_connect/disconnect
+ */
+static int qe_pullup(struct usb_gadget *gadget, int is_on)
+{
+	return -ENOTSUPP;
+}
+
+/* defined in usb_gadget.h */
+static struct usb_gadget_ops qe_gadget_ops = {
+	.get_frame = qe_get_frame,
+	.wakeup = qe_wakeup,
+/*	.set_selfpowered = qe_set_selfpowered,*/ /* always selfpowered */
+	.vbus_session = qe_vbus_session,
+	.vbus_draw = qe_vbus_draw,
+	.pullup = qe_pullup,
+};
+
+/*-------------------------------------------------------------------------
+	USB ep0 Setup process in BUS Enumeration
+ -------------------------------------------------------------------------*/
+static int udc_reset_ep_queue(struct qe_udc *udc, u8 pipe)
+{
+	struct qe_ep *ep = &udc->eps[pipe];
+
+	nuke(ep, -ECONNRESET);
+	ep->tx_req = NULL;
+	return 0;
+}
+
+static int reset_queues(struct qe_udc *udc)
+{
+	u8 pipe;
+
+	for (pipe = 0; pipe < USB_MAX_ENDPOINTS; pipe++)
+		udc_reset_ep_queue(udc, pipe);
+
+	/* report disconnect; the driver is already quiesced */
+	spin_unlock(&udc->lock);
+	udc->driver->disconnect(&udc->gadget);
+	spin_lock(&udc->lock);
+
+	return 0;
+}
+
+static void ch9setaddress(struct qe_udc *udc, u16 value, u16 index,
+			u16 length)
+{
+	/* Save the new address to device struct */
+	udc->device_address = (u8) value;
+	/* Update usb state */
+	udc->usb_state = USB_STATE_ADDRESS;
+
+	/* Status phase , send a ZLP */
+	if (ep0_prime_status(udc, USB_DIR_IN))
+		qe_ep0_stall(udc);
+}
+
+static void ownercomplete(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct qe_req *req = container_of(_req, struct qe_req, req);
+
+	req->req.buf = NULL;
+	kfree(req);
+}
+
+static void ch9getstatus(struct qe_udc *udc, u16 value, u16 index,
+			 u16 length)
+{
+	u16 usb_status = 0;	/* fix me to give correct status */
+
+	struct qe_req *req;
+	struct qe_ep *ep;
+	int status = 0;
+
+	ep = &udc->eps[0];
+
+	req = container_of(qe_alloc_request(&ep->ep, GFP_KERNEL),
+					struct qe_req, req);
+	req->req.length = 2;
+	req->req.buf = udc->nullbuf;
+	memcpy(req->req.buf, (u8 *)&usb_status, 2);
+	req->req.status = -EINPROGRESS;
+	req->req.actual = 0;
+	req->req.complete = ownercomplete;
+
+	udc->ep0_dir = USB_DIR_IN;
+
+	/* data phase */
+	status = qe_ep_queue(&ep->ep, &req->req, GFP_ATOMIC);
+
+	if (status) {
+		dev_err(udc->dev, "Can't respond to getstatus request \n");
+		qe_ep0_stall(udc);
+	}
+}
+
+/* only handle the setup request, suppose the device in normal status */
+static void setup_received_handle(struct qe_udc *udc,
+				struct usb_ctrlrequest *setup)
+{
+	/* Fix Endian (udc->local_setup_buff is cpu Endian now)*/
+	u16 wValue = le16_to_cpu(setup->wValue);
+	u16 wIndex = le16_to_cpu(setup->wIndex);
+	u16 wLength = le16_to_cpu(setup->wLength);
+
+	/* clear the previous request in the ep0 */
+	udc_reset_ep_queue(udc, 0);
+
+	if (setup->bRequestType & USB_DIR_IN)
+		udc->ep0_dir = USB_DIR_IN;
+	else
+		udc->ep0_dir = USB_DIR_OUT;
+
+	switch (setup->bRequest) {
+	case USB_REQ_GET_STATUS:
+		/* Data+Status phase form udc */
+		if ((setup->bRequestType & (USB_DIR_IN | USB_TYPE_MASK))
+					!= (USB_DIR_IN | USB_TYPE_STANDARD))
+			break;
+		ch9getstatus(udc, wValue, wIndex, wLength);
+		return;
+
+	case USB_REQ_SET_ADDRESS:
+		/* Status phase from udc */
+		if (setup->bRequestType != (USB_DIR_OUT | USB_TYPE_STANDARD |
+						USB_RECIP_DEVICE))
+			break;
+		ch9setaddress(udc, wValue, wIndex, wLength);
+		return;
+
+	case USB_REQ_CLEAR_FEATURE:
+	case USB_REQ_SET_FEATURE:
+		/* Requests with no data phase, status phase from udc */
+		if ((setup->bRequestType &  USB_TYPE_MASK)
+					!= USB_TYPE_STANDARD)
+			break;
+
+		if ((setup->bRequestType & USB_RECIP_MASK)
+				== USB_RECIP_ENDPOINT) {
+			int pipe = wIndex & USB_ENDPOINT_NUMBER_MASK;
+			struct qe_ep *ep;
+
+			if (wValue != 0 || wLength != 0
+				|| pipe > USB_MAX_ENDPOINTS)
+				break;
+			ep = &udc->eps[pipe];
+
+			spin_unlock(&udc->lock);
+			qe_ep_set_halt(&ep->ep,
+					(setup->bRequest == USB_REQ_SET_FEATURE)
+						? 1 : 0);
+			spin_lock(&udc->lock);
+		}
+
+		ep0_prime_status(udc, USB_DIR_IN);
+
+		return;
+
+	default:
+		break;
+	}
+
+	if (wLength) {
+		/* Data phase from gadget, status phase from udc */
+		if (setup->bRequestType & USB_DIR_IN) {
+			udc->ep0_state = DATA_STATE_XMIT;
+			udc->ep0_dir = USB_DIR_IN;
+		} else{
+			udc->ep0_state = DATA_STATE_RECV;
+			udc->ep0_dir = USB_DIR_OUT;
+		}
+		spin_unlock(&udc->lock);
+		if (udc->driver->setup(&udc->gadget,
+					&udc->local_setup_buff) < 0)
+			qe_ep0_stall(udc);
+		spin_lock(&udc->lock);
+	} else {
+		/* No data phase, IN status from gadget */
+		udc->ep0_dir = USB_DIR_IN;
+		spin_unlock(&udc->lock);
+		if (udc->driver->setup(&udc->gadget,
+					&udc->local_setup_buff) < 0)
+			qe_ep0_stall(udc);
+		spin_lock(&udc->lock);
+		udc->ep0_state = DATA_STATE_NEED_ZLP;
+	}
+}
+
+/*-------------------------------------------------------------------------
+	USB Interrupt handlers
+ -------------------------------------------------------------------------*/
+static void suspend_irq(struct qe_udc *udc)
+{
+	udc->resume_state = udc->usb_state;
+	udc->usb_state = USB_STATE_SUSPENDED;
+
+	/* report suspend to the driver ,serial.c not support this*/
+	if (udc->driver->suspend)
+		udc->driver->suspend(&udc->gadget);
+}
+
+static void resume_irq(struct qe_udc *udc)
+{
+	udc->usb_state = udc->resume_state;
+	udc->resume_state = 0;
+
+	/* report resume to the driver , serial.c not support this*/
+	if (udc->driver->resume)
+		udc->driver->resume(&udc->gadget);
+}
+
+static void idle_irq(struct qe_udc *udc)
+{
+	u8 usbs;
+
+	usbs = in_8(&udc->usb_regs->usb_usbs);
+	if (usbs & USB_IDLE_STATUS_MASK) {
+		if ((udc->usb_state) != USB_STATE_SUSPENDED)
+			suspend_irq(udc);
+	} else {
+		if (udc->usb_state == USB_STATE_SUSPENDED)
+			resume_irq(udc);
+	}
+}
+
+static int reset_irq(struct qe_udc *udc)
+{
+	unsigned char i;
+
+	qe_usb_disable();
+	out_8(&udc->usb_regs->usb_usadr, 0);
+
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++) {
+		if (udc->eps[i].init)
+			qe_ep_reset(udc, i);
+	}
+
+	reset_queues(udc);
+	udc->usb_state = USB_STATE_DEFAULT;
+	udc->ep0_state = WAIT_FOR_SETUP;
+	udc->ep0_dir = USB_DIR_OUT;
+	qe_usb_enable();
+	return 0;
+}
+
+static int bsy_irq(struct qe_udc *udc)
+{
+	return 0;
+}
+
+static int txe_irq(struct qe_udc *udc)
+{
+	return 0;
+}
+
+/* ep0 tx interrupt also in here */
+static int tx_irq(struct qe_udc *udc)
+{
+	struct qe_ep *ep;
+	struct qe_bd __iomem *bd;
+	int i, res = 0;
+
+	if ((udc->usb_state == USB_STATE_ADDRESS)
+		&& (in_8(&udc->usb_regs->usb_usadr) == 0))
+		out_8(&udc->usb_regs->usb_usadr, udc->device_address);
+
+	for (i = (USB_MAX_ENDPOINTS-1); ((i >= 0) && (res == 0)); i--) {
+		ep = &udc->eps[i];
+		if (ep && ep->init && (ep->dir != USB_DIR_OUT)) {
+			bd = ep->c_txbd;
+			if (!(in_be32((u32 __iomem *)bd) & T_R)
+						&& (in_be32(&bd->buf))) {
+				/* Disable the TX Interrupt */
+				/*confirm the transmitted bd*/
+				if (ep->epnum == 0)
+					res = qe_ep0_txconf(ep);
+				else
+					res = qe_ep_txconf(ep);
+				/* Enable the TX Interrupt */
+			}
+		}
+	}
+	return res;
+}
+
+
+/* setup packect's rx is handle in the function too */
+static void rx_irq(struct qe_udc *udc)
+{
+	struct qe_ep *ep;
+	struct qe_bd __iomem *bd;
+	int i;
+
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++) {
+		ep = &udc->eps[i];
+		if (ep && ep->init && (ep->dir != USB_DIR_IN)) {
+			bd = ep->n_rxbd;
+			if (!(in_be32((u32 __iomem *)bd) & R_E)
+						&& (in_be32(&bd->buf))) {
+				if (ep->epnum == 0) {
+					qe_ep0_rx(udc);
+				} else {
+					/*non-setup package receive*/
+					qe_ep_rx(ep);
+				}
+			}
+		}
+	}
+}
+
+static irqreturn_t qe_udc_irq(int irq, void *_udc)
+{
+	struct qe_udc *udc = (struct qe_udc *)_udc;
+	u16 irq_src;
+	irqreturn_t status = IRQ_NONE;
+	unsigned long flags;
+
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	irq_src = in_be16(&udc->usb_regs->usb_usber) &
+		in_be16(&udc->usb_regs->usb_usbmr);
+	/* Clear notification bits */
+	out_be16(&udc->usb_regs->usb_usber, irq_src);
+	/* USB Interrupt */
+	if (irq_src & USB_E_IDLE_MASK) {
+		idle_irq(udc);
+		irq_src &= ~USB_E_IDLE_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_TXB_MASK) {
+		tx_irq(udc);
+		irq_src &= ~USB_E_TXB_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_RXB_MASK) {
+		rx_irq(udc);
+		irq_src &= ~USB_E_RXB_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_RESET_MASK) {
+		reset_irq(udc);
+		irq_src &= ~USB_E_RESET_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_BSY_MASK) {
+		bsy_irq(udc);
+		irq_src &= ~USB_E_BSY_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	if (irq_src & USB_E_TXE_MASK) {
+		txe_irq(udc);
+		irq_src &= ~USB_E_TXE_MASK;
+		status = IRQ_HANDLED;
+	}
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return status;
+}
+
+/*-------------------------------------------------------------------------
+	Gadget driver register and unregister.
+ --------------------------------------------------------------------------*/
+int usb_gadget_register_driver(struct usb_gadget_driver *driver)
+{
+	int retval;
+	unsigned long flags = 0;
+
+	/* standard operations */
+	if (!udc_controller)
+		return -ENODEV;
+
+	if (!driver || (driver->speed != USB_SPEED_FULL
+			&& driver->speed != USB_SPEED_HIGH)
+			|| !driver->bind || !driver->disconnect
+			|| !driver->setup)
+		return -EINVAL;
+
+	if (udc_controller->driver)
+		return -EBUSY;
+
+	/* lock is needed but whether should use this lock or another */
+	spin_lock_irqsave(&udc_controller->lock, flags);
+
+	driver->driver.bus = NULL;
+	/* hook up the driver */
+	udc_controller->driver = driver;
+	udc_controller->gadget.dev.driver = &driver->driver;
+	udc_controller->gadget.speed = (enum usb_device_speed)(driver->speed);
+	spin_unlock_irqrestore(&udc_controller->lock, flags);
+
+	retval = driver->bind(&udc_controller->gadget);
+	if (retval) {
+		dev_err(udc_controller->dev, "bind to %s --> %d",
+				driver->driver.name, retval);
+		udc_controller->gadget.dev.driver = NULL;
+		udc_controller->driver = NULL;
+		return retval;
+	}
+
+	/* Enable IRQ reg and Set usbcmd reg EN bit */
+	qe_usb_enable();
+
+	out_be16(&udc_controller->usb_regs->usb_usber, 0xffff);
+	out_be16(&udc_controller->usb_regs->usb_usbmr, USB_E_DEFAULT_DEVICE);
+	udc_controller->usb_state = USB_STATE_ATTACHED;
+	udc_controller->ep0_state = WAIT_FOR_SETUP;
+	udc_controller->ep0_dir = USB_DIR_OUT;
+	dev_info(udc_controller->dev, "%s bind to driver %s \n",
+		udc_controller->gadget.name, driver->driver.name);
+	return 0;
+}
+EXPORT_SYMBOL(usb_gadget_register_driver);
+
+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+{
+	struct qe_ep *loop_ep;
+	unsigned long flags;
+
+	if (!udc_controller)
+		return -ENODEV;
+
+	if (!driver || driver != udc_controller->driver)
+		return -EINVAL;
+
+	/* stop usb controller, disable intr */
+	qe_usb_disable();
+
+	/* in fact, no needed */
+	udc_controller->usb_state = USB_STATE_ATTACHED;
+	udc_controller->ep0_state = WAIT_FOR_SETUP;
+	udc_controller->ep0_dir = 0;
+
+	/* stand operation */
+	spin_lock_irqsave(&udc_controller->lock, flags);
+	udc_controller->gadget.speed = USB_SPEED_UNKNOWN;
+	nuke(&udc_controller->eps[0], -ESHUTDOWN);
+	list_for_each_entry(loop_ep, &udc_controller->gadget.ep_list,
+				ep.ep_list)
+		nuke(loop_ep, -ESHUTDOWN);
+	spin_unlock_irqrestore(&udc_controller->lock, flags);
+
+	/* unbind gadget and unhook driver. */
+	driver->unbind(&udc_controller->gadget);
+	udc_controller->gadget.dev.driver = NULL;
+	udc_controller->driver = NULL;
+
+	dev_info(udc_controller->dev, "unregistered gadget driver '%s'\r\n",
+			driver->driver.name);
+	return 0;
+}
+EXPORT_SYMBOL(usb_gadget_unregister_driver);
+
+/* udc structure's alloc and setup, include ep-param alloc */
+static struct qe_udc __devinit *qe_udc_config(struct of_device *ofdev)
+{
+	struct qe_udc *udc;
+	struct device_node *np = ofdev->node;
+	unsigned int tmp_addr = 0;
+	struct usb_device_para __iomem *usbpram;
+	unsigned int i;
+	u64 size;
+	u32 offset;
+
+	udc = kzalloc(sizeof(*udc), GFP_KERNEL);
+	if (udc == NULL) {
+		dev_err(&ofdev->dev, "malloc udc failed\n");
+		goto cleanup;
+	}
+
+	udc->dev = &ofdev->dev;
+
+	/* get default address of usb parameter in MURAM from device tree */
+	offset = *of_get_address(np, 1, &size, NULL);
+	udc->usb_param = cpm_muram_addr(offset);
+	memset_io(udc->usb_param, 0, size);
+
+	usbpram = udc->usb_param;
+	out_be16(&usbpram->frame_n, 0);
+	out_be32(&usbpram->rstate, 0);
+
+	tmp_addr = cpm_muram_alloc((USB_MAX_ENDPOINTS *
+					sizeof(struct usb_ep_para)),
+					   USB_EP_PARA_ALIGNMENT);
+
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++) {
+		out_be16(&usbpram->epptr[i], (u16)tmp_addr);
+		udc->ep_param[i] = cpm_muram_addr(tmp_addr);
+		tmp_addr += 32;
+	}
+
+	memset_io(udc->ep_param[0], 0,
+			USB_MAX_ENDPOINTS * sizeof(struct usb_ep_para));
+
+	udc->resume_state = USB_STATE_NOTATTACHED;
+	udc->usb_state = USB_STATE_POWERED;
+	udc->ep0_dir = 0;
+
+	spin_lock_init(&udc->lock);
+	return udc;
+
+cleanup:
+	kfree(udc);
+	return NULL;
+}
+
+/* USB Controller register init */
+static int __devinit qe_udc_reg_init(struct qe_udc *udc)
+{
+	struct usb_ctlr __iomem *qe_usbregs;
+	qe_usbregs = udc->usb_regs;
+
+	/* Init the usb register */
+	out_8(&qe_usbregs->usb_usmod, 0x01);
+	out_be16(&qe_usbregs->usb_usbmr, 0);
+	out_8(&qe_usbregs->usb_uscom, 0);
+	out_be16(&qe_usbregs->usb_usber, USBER_ALL_CLEAR);
+
+	return 0;
+}
+
+static int __devinit qe_ep_config(struct qe_udc *udc, unsigned char pipe_num)
+{
+	struct qe_ep *ep = &udc->eps[pipe_num];
+
+	ep->udc = udc;
+	strcpy(ep->name, ep_name[pipe_num]);
+	ep->ep.name = ep_name[pipe_num];
+
+	ep->ep.ops = &qe_ep_ops;
+	ep->stopped = 1;
+	ep->ep.maxpacket = (unsigned short) ~0;
+	ep->desc = NULL;
+	ep->dir = 0xff;
+	ep->epnum = (u8)pipe_num;
+	ep->sent = 0;
+	ep->last = 0;
+	ep->init = 0;
+	ep->rxframe = NULL;
+	ep->txframe = NULL;
+	ep->tx_req = NULL;
+	ep->state = EP_STATE_IDLE;
+	ep->has_data = 0;
+
+	/* the queue lists any req for this ep */
+	INIT_LIST_HEAD(&ep->queue);
+
+	/* gagdet.ep_list used for ep_autoconfig so no ep0*/
+	if (pipe_num != 0)
+		list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
+
+	ep->gadget = &udc->gadget;
+
+	return 0;
+}
+
+/*-----------------------------------------------------------------------
+ *	UDC device Driver operation functions				*
+ *----------------------------------------------------------------------*/
+static void qe_udc_release(struct device *dev)
+{
+	int i = 0;
+
+	complete(udc_controller->done);
+	cpm_muram_free(cpm_muram_offset(udc_controller->ep_param[0]));
+	for (i = 0; i < USB_MAX_ENDPOINTS; i++)
+		udc_controller->ep_param[i] = NULL;
+
+	kfree(udc_controller);
+	udc_controller = NULL;
+}
+
+/* Driver probe functions */
+static int __devinit qe_udc_probe(struct of_device *ofdev,
+			const struct of_device_id *match)
+{
+	struct device_node *np = ofdev->node;
+	struct qe_ep *ep;
+	unsigned int ret = 0;
+	unsigned int i;
+	const void *prop;
+
+	prop = of_get_property(np, "mode", NULL);
+	if (!prop || strcmp(prop, "peripheral"))
+		return -ENODEV;
+
+	/* Initialize the udc structure including QH member and other member */
+	udc_controller = qe_udc_config(ofdev);
+	if (!udc_controller) {
+		dev_dbg(&ofdev->dev, "udc_controll is NULL\n");
+		return -ENOMEM;
+	}
+
+	udc_controller->soc_type = (unsigned long)match->data;
+	udc_controller->usb_regs = of_iomap(np, 0);
+	if (!udc_controller->usb_regs) {
+		ret = -ENOMEM;
+		goto err1;
+	}
+
+	/* initialize usb hw reg except for regs for EP,
+	 * leave usbintr reg untouched*/
+	qe_udc_reg_init(udc_controller);
+
+	/* here comes the stand operations for probe
+	 * set the qe_udc->gadget.xxx */
+	udc_controller->gadget.ops = &qe_gadget_ops;
+
+	/* gadget.ep0 is a pointer */
+	udc_controller->gadget.ep0 = &udc_controller->eps[0].ep;
+
+	INIT_LIST_HEAD(&udc_controller->gadget.ep_list);
+
+	/* modify in register gadget process */
+	udc_controller->gadget.speed = USB_SPEED_UNKNOWN;
+
+	/* name: Identifies the controller hardware type. */
+	udc_controller->gadget.name = driver_name;
+
+	device_initialize(&udc_controller->gadget.dev);
+
+	strcpy(udc_controller->gadget.dev.bus_id, "gadget");
+
+	udc_controller->gadget.dev.release = qe_udc_release;
+	udc_controller->gadget.dev.parent = &ofdev->dev;
+
+
+	/* EP:intialization qe_ep struct */
+	for (i = 0; i < USB_MAX_ENDPOINTS ; i++) {
+		/*because the ep type isn't decide here so
+		 * qe_ep_init() should be called in ep_enable() */
+
+		/* setup the qe_ep struct and link ep.ep.list
+		 * into gadget.ep_list */
+		qe_ep_config(udc_controller, (unsigned char)i);
+	}
+
+	/* ep0 initialization in here */
+	ret = qe_ep_init(udc_controller, 0, &qe_ep0_desc);
+	if (ret)
+		goto err2;
+
+	/* create a buf for ZLP send */
+	udc_controller->nullbuf = kzalloc(256, GFP_KERNEL);
+	if (udc_controller->nullbuf == NULL) {
+		dev_dbg(udc_controller->dev, "cannot alloc nullbuf\n");
+		ret = -ENOMEM;
+		goto err3;
+	}
+
+	udc_controller->nullp = virt_to_phys((void *)udc_controller->nullbuf);
+	if (udc_controller->nullp == DMA_ADDR_INVALID) {
+		udc_controller->nullp = dma_map_single(
+					udc_controller->gadget.dev.parent,
+					udc_controller->nullbuf,
+					256,
+					DMA_TO_DEVICE);
+		udc_controller->nullmap = 1;
+	} else {
+		dma_sync_single_for_device(udc_controller->gadget.dev.parent,
+					udc_controller->nullp, 256,
+					DMA_TO_DEVICE);
+	}
+
+	tasklet_init(&udc_controller->rx_tasklet, ep_rx_tasklet,
+			(unsigned long)udc_controller);
+	/* request irq and disable DR  */
+	udc_controller->usb_irq = irq_of_parse_and_map(np, 0);
+
+	ret = request_irq(udc_controller->usb_irq, qe_udc_irq, 0,
+				driver_name, udc_controller);
+	if (ret) {
+		dev_err(udc_controller->dev, "cannot request irq %d err %d \n",
+			udc_controller->usb_irq, ret);
+		goto err4;
+	}
+
+	ret = device_add(&udc_controller->gadget.dev);
+	if (ret)
+		goto err5;
+
+	dev_info(udc_controller->dev,
+			"QE/CPM USB controller initialized as device\n");
+	return 0;
+
+err5:
+	free_irq(udc_controller->usb_irq, udc_controller);
+err4:
+	if (udc_controller->nullmap) {
+		dma_unmap_single(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+			udc_controller->nullp = DMA_ADDR_INVALID;
+	} else {
+		dma_sync_single_for_cpu(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+	}
+	kfree(udc_controller->nullbuf);
+err3:
+	ep = &udc_controller->eps[0];
+	cpm_muram_free(cpm_muram_offset(ep->rxbase));
+	kfree(ep->rxframe);
+	kfree(ep->rxbuffer);
+	kfree(ep->txframe);
+err2:
+	iounmap(udc_controller->usb_regs);
+err1:
+	kfree(udc_controller);
+
+	return ret;
+}
+
+#ifdef CONFIG_PM
+static int qe_udc_suspend(struct of_device *dev, pm_message_t state)
+{
+	return -ENOTSUPP;
+}
+
+static int qe_udc_resume(struct of_device *dev)
+{
+	return -ENOTSUPP;
+}
+#endif
+
+static int __devexit qe_udc_remove(struct of_device *ofdev)
+{
+	struct qe_ep *ep;
+	unsigned int size;
+
+	DECLARE_COMPLETION(done);
+
+	if (!udc_controller)
+		return -ENODEV;
+
+	udc_controller->done = &done;
+	tasklet_disable(&udc_controller->rx_tasklet);
+
+	if (udc_controller->nullmap) {
+		dma_unmap_single(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+			udc_controller->nullp = DMA_ADDR_INVALID;
+	} else {
+		dma_sync_single_for_cpu(udc_controller->gadget.dev.parent,
+			udc_controller->nullp, 256,
+				DMA_TO_DEVICE);
+	}
+	kfree(udc_controller->nullbuf);
+
+	ep = &udc_controller->eps[0];
+	cpm_muram_free(cpm_muram_offset(ep->rxbase));
+	size = (ep->ep.maxpacket + USB_CRC_SIZE + 2) * (USB_BDRING_LEN + 1);
+
+	kfree(ep->rxframe);
+	if (ep->rxbufmap) {
+		dma_unmap_single(udc_controller->gadget.dev.parent,
+				ep->rxbuf_d, size,
+				DMA_FROM_DEVICE);
+		ep->rxbuf_d = DMA_ADDR_INVALID;
+	} else {
+		dma_sync_single_for_cpu(udc_controller->gadget.dev.parent,
+				ep->rxbuf_d, size,
+				DMA_FROM_DEVICE);
+	}
+
+	kfree(ep->rxbuffer);
+	kfree(ep->txframe);
+
+	free_irq(udc_controller->usb_irq, udc_controller);
+
+	tasklet_kill(&udc_controller->rx_tasklet);
+
+	iounmap(udc_controller->usb_regs);
+
+	device_unregister(&udc_controller->gadget.dev);
+	/* wait for release() of gadget.dev to free udc */
+	wait_for_completion(&done);
+
+	return 0;
+}
+
+/*-------------------------------------------------------------------------*/
+static struct of_device_id __devinitdata qe_udc_match[] = {
+	{
+		.compatible = "fsl,mpc8360-qe-usb",
+		.data = (void *)PORT_QE,
+	},
+	{
+		.compatible = "fsl,mpc8272-cpm-usb",
+		.data = (void *)PORT_CPM,
+	},
+	{},
+};
+
+MODULE_DEVICE_TABLE(of, qe_udc_match);
+
+static struct of_platform_driver udc_driver = {
+	.name           = (char *)driver_name,
+	.match_table    = qe_udc_match,
+	.probe          = qe_udc_probe,
+	.remove         = __devexit_p(qe_udc_remove),
+#ifdef CONFIG_PM
+	.suspend        = qe_udc_suspend,
+	.resume         = qe_udc_resume,
+#endif
+};
+
+static int __init qe_udc_init(void)
+{
+	printk(KERN_INFO "%s: %s, %s\n", driver_name, driver_desc,
+			DRIVER_VERSION);
+	return of_register_platform_driver(&udc_driver);
+}
+
+static void __exit qe_udc_exit(void)
+{
+	of_unregister_platform_driver(&udc_driver);
+}
+
+module_init(qe_udc_init);
+module_exit(qe_udc_exit);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/usb/gadget/fsl_qe_udc.h b/drivers/usb/gadget/fsl_qe_udc.h
new file mode 100644
index 00000000000..b4c07a22e8e
--- /dev/null
+++ b/drivers/usb/gadget/fsl_qe_udc.h
@@ -0,0 +1,436 @@
+/*
+ * drivers/usb/gadget/qe_udc.h
+ *
+ * Copyright (C) 2006-2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * 	Xiaobo Xie <X.Xie@freescale.com>
+ * 	Li Yang <leoli@freescale.com>
+ *
+ * Description:
+ * Freescale USB device/endpoint management registers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef __FSL_QE_UDC_H
+#define __FSL_QE_UDC_H
+
+/* SoC type */
+#define PORT_CPM	0
+#define PORT_QE		1
+
+#define USB_MAX_ENDPOINTS               4
+#define USB_MAX_PIPES                   USB_MAX_ENDPOINTS
+#define USB_EP0_MAX_SIZE		64
+#define USB_MAX_CTRL_PAYLOAD            0x4000
+#define USB_BDRING_LEN			16
+#define USB_BDRING_LEN_RX		256
+#define USB_BDRING_LEN_TX		16
+#define MIN_EMPTY_BDS			128
+#define MAX_DATA_BDS			8
+#define USB_CRC_SIZE			2
+#define USB_DIR_BOTH			0x88
+#define R_BUF_MAXSIZE			0x800
+#define USB_EP_PARA_ALIGNMENT		32
+
+/* USB Mode Register bit define */
+#define USB_MODE_EN		0x01
+#define USB_MODE_HOST		0x02
+#define USB_MODE_TEST		0x04
+#define USB_MODE_SFTE		0x08
+#define USB_MODE_RESUME		0x40
+#define USB_MODE_LSS		0x80
+
+/* USB Slave Address Register Mask */
+#define USB_SLVADDR_MASK	0x7F
+
+/* USB Endpoint register define */
+#define USB_EPNUM_MASK		0xF000
+#define USB_EPNUM_SHIFT		12
+
+#define USB_TRANS_MODE_SHIFT	8
+#define USB_TRANS_CTR		0x0000
+#define USB_TRANS_INT		0x0100
+#define USB_TRANS_BULK		0x0200
+#define USB_TRANS_ISO		0x0300
+
+#define USB_EP_MF		0x0020
+#define USB_EP_RTE		0x0010
+
+#define USB_THS_SHIFT		2
+#define USB_THS_MASK		0x000c
+#define USB_THS_NORMAL		0x0
+#define USB_THS_IGNORE_IN	0x0004
+#define USB_THS_NACK		0x0008
+#define USB_THS_STALL		0x000c
+
+#define USB_RHS_SHIFT   	0
+#define USB_RHS_MASK		0x0003
+#define USB_RHS_NORMAL  	0x0
+#define USB_RHS_IGNORE_OUT	0x0001
+#define USB_RHS_NACK		0x0002
+#define USB_RHS_STALL		0x0003
+
+#define USB_RTHS_MASK		0x000f
+
+/* USB Command Register define */
+#define USB_CMD_STR_FIFO	0x80
+#define USB_CMD_FLUSH_FIFO	0x40
+#define USB_CMD_ISFT		0x20
+#define USB_CMD_DSFT		0x10
+#define USB_CMD_EP_MASK		0x03
+
+/* USB Event and Mask Register define */
+#define USB_E_MSF_MASK		0x0800
+#define USB_E_SFT_MASK		0x0400
+#define USB_E_RESET_MASK	0x0200
+#define USB_E_IDLE_MASK		0x0100
+#define USB_E_TXE4_MASK		0x0080
+#define USB_E_TXE3_MASK		0x0040
+#define USB_E_TXE2_MASK		0x0020
+#define USB_E_TXE1_MASK		0x0010
+#define USB_E_SOF_MASK		0x0008
+#define USB_E_BSY_MASK		0x0004
+#define USB_E_TXB_MASK		0x0002
+#define USB_E_RXB_MASK		0x0001
+#define USBER_ALL_CLEAR 	0x0fff
+
+#define USB_E_DEFAULT_DEVICE   (USB_E_RESET_MASK | USB_E_TXE4_MASK | \
+				USB_E_TXE3_MASK | USB_E_TXE2_MASK | \
+				USB_E_TXE1_MASK | USB_E_BSY_MASK | \
+				USB_E_TXB_MASK | USB_E_RXB_MASK)
+
+#define USB_E_TXE_MASK         (USB_E_TXE4_MASK | USB_E_TXE3_MASK|\
+				 USB_E_TXE2_MASK | USB_E_TXE1_MASK)
+/* USB Status Register define */
+#define USB_IDLE_STATUS_MASK	0x01
+
+/* USB Start of Frame Timer */
+#define USB_USSFT_MASK		0x3FFF
+
+/* USB Frame Number Register */
+#define USB_USFRN_MASK		0xFFFF
+
+struct usb_device_para{
+	u16	epptr[4];
+	u32	rstate;
+	u32	rptr;
+	u16	frame_n;
+	u16	rbcnt;
+	u32	rtemp;
+	u32	rxusb_data;
+	u16	rxuptr;
+	u8	reso[2];
+	u32	softbl;
+	u8	sofucrctemp;
+};
+
+struct usb_ep_para{
+	u16	rbase;
+	u16	tbase;
+	u8	rbmr;
+	u8	tbmr;
+	u16	mrblr;
+	u16	rbptr;
+	u16	tbptr;
+	u32	tstate;
+	u32	tptr;
+	u16	tcrc;
+	u16	tbcnt;
+	u32	ttemp;
+	u16	txusbu_ptr;
+	u8	reserve[2];
+};
+
+#define USB_BUSMODE_GBL		0x20
+#define USB_BUSMODE_BO_MASK	0x18
+#define USB_BUSMODE_BO_SHIFT	0x3
+#define USB_BUSMODE_BE		0x2
+#define USB_BUSMODE_CETM	0x04
+#define USB_BUSMODE_DTB		0x02
+
+/* Endpoint basic handle */
+#define ep_index(EP)		((EP)->desc->bEndpointAddress & 0xF)
+#define ep_maxpacket(EP)	((EP)->ep.maxpacket)
+#define ep_is_in(EP)	((ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
+			USB_DIR_IN) : ((EP)->desc->bEndpointAddress \
+			& USB_DIR_IN) == USB_DIR_IN)
+
+/* ep0 transfer state */
+#define WAIT_FOR_SETUP          0
+#define DATA_STATE_XMIT         1
+#define DATA_STATE_NEED_ZLP     2
+#define WAIT_FOR_OUT_STATUS     3
+#define DATA_STATE_RECV         4
+
+/* ep tramsfer mode */
+#define USBP_TM_CTL	0
+#define USBP_TM_ISO	1
+#define USBP_TM_BULK	2
+#define USBP_TM_INT	3
+
+/*-----------------------------------------------------------------------------
+	USB RX And TX DATA Frame
+ -----------------------------------------------------------------------------*/
+struct qe_frame{
+	u8 *data;
+	u32 len;
+	u32 status;
+	u32 info;
+
+	void *privdata;
+	struct list_head node;
+};
+
+/* Frame structure, info field. */
+#define PID_DATA0              0x80000000 /* Data toggle zero */
+#define PID_DATA1              0x40000000 /* Data toggle one  */
+#define PID_SETUP              0x20000000 /* setup bit */
+#define SETUP_STATUS           0x10000000 /* setup status bit */
+#define SETADDR_STATUS         0x08000000 /* setupup address status bit */
+#define NO_REQ                 0x04000000 /* Frame without request */
+#define HOST_DATA              0x02000000 /* Host data frame */
+#define FIRST_PACKET_IN_FRAME  0x01000000 /* first packet in the frame */
+#define TOKEN_FRAME            0x00800000 /* Host token frame */
+#define ZLP                    0x00400000 /* Zero length packet */
+#define IN_TOKEN_FRAME         0x00200000 /* In token package */
+#define OUT_TOKEN_FRAME        0x00100000 /* Out token package */
+#define SETUP_TOKEN_FRAME      0x00080000 /* Setup token package */
+#define STALL_FRAME            0x00040000 /* Stall handshake */
+#define NACK_FRAME             0x00020000 /* Nack handshake */
+#define NO_PID                 0x00010000 /* No send PID */
+#define NO_CRC                 0x00008000 /* No send CRC */
+#define HOST_COMMAND           0x00004000 /* Host command frame   */
+
+/* Frame status field */
+/* Receive side */
+#define FRAME_OK               0x00000000 /* Frame tranmitted or received OK */
+#define FRAME_ERROR            0x80000000 /* Error occured on frame */
+#define START_FRAME_LOST       0x40000000 /* START_FRAME_LOST */
+#define END_FRAME_LOST         0x20000000 /* END_FRAME_LOST */
+#define RX_ER_NONOCT           0x10000000 /* Rx Non Octet Aligned Packet */
+#define RX_ER_BITSTUFF         0x08000000 /* Frame Aborted --Received packet
+					     with bit stuff error */
+#define RX_ER_CRC              0x04000000 /* Received packet with CRC error */
+#define RX_ER_OVERUN           0x02000000 /* Over-run occured on reception */
+#define RX_ER_PID              0x01000000 /* Wrong PID received */
+/* Tranmit side */
+#define TX_ER_NAK              0x00800000 /* Received NAK handshake */
+#define TX_ER_STALL            0x00400000 /* Received STALL handshake */
+#define TX_ER_TIMEOUT          0x00200000 /* Transmit time out */
+#define TX_ER_UNDERUN          0x00100000 /* Transmit underrun */
+#define FRAME_INPROGRESS       0x00080000 /* Frame is being transmitted */
+#define ER_DATA_UNDERUN        0x00040000 /* Frame is shorter then expected */
+#define ER_DATA_OVERUN         0x00020000 /* Frame is longer then expected */
+
+/* QE USB frame operation functions */
+#define frame_get_length(frm) (frm->len)
+#define frame_set_length(frm, leng) (frm->len = leng)
+#define frame_get_data(frm) (frm->data)
+#define frame_set_data(frm, dat) (frm->data = dat)
+#define frame_get_info(frm) (frm->info)
+#define frame_set_info(frm, inf) (frm->info = inf)
+#define frame_get_status(frm) (frm->status)
+#define frame_set_status(frm, stat) (frm->status = stat)
+#define frame_get_privdata(frm) (frm->privdata)
+#define frame_set_privdata(frm, dat) (frm->privdata = dat)
+
+static inline void qe_frame_clean(struct qe_frame *frm)
+{
+	frame_set_data(frm, NULL);
+	frame_set_length(frm, 0);
+	frame_set_status(frm, FRAME_OK);
+	frame_set_info(frm, 0);
+	frame_set_privdata(frm, NULL);
+}
+
+static inline void qe_frame_init(struct qe_frame *frm)
+{
+	qe_frame_clean(frm);
+	INIT_LIST_HEAD(&(frm->node));
+}
+
+struct qe_req {
+	struct usb_request req;
+	struct list_head queue;
+	/* ep_queue() func will add
+	 a request->queue into a udc_ep->queue 'd tail */
+	struct qe_ep *ep;
+	unsigned mapped:1;
+};
+
+struct qe_ep {
+	struct usb_ep ep;
+	struct list_head queue;
+	struct qe_udc *udc;
+	const struct usb_endpoint_descriptor *desc;
+	struct usb_gadget *gadget;
+
+	u8 state;
+
+	struct qe_bd __iomem *rxbase;
+	struct qe_bd __iomem *n_rxbd;
+	struct qe_bd __iomem *e_rxbd;
+
+	struct qe_bd __iomem *txbase;
+	struct qe_bd __iomem *n_txbd;
+	struct qe_bd __iomem *c_txbd;
+
+	struct qe_frame *rxframe;
+	u8 *rxbuffer;
+	dma_addr_t rxbuf_d;
+	u8 rxbufmap;
+	unsigned char localnack;
+	int has_data;
+
+	struct qe_frame *txframe;
+	struct qe_req *tx_req;
+	int sent;  /*data already sent */
+	int last;  /*data sent in the last time*/
+
+	u8 dir;
+	u8 epnum;
+	u8 tm; /* transfer mode */
+	u8 data01;
+	u8 init;
+
+	u8 already_seen;
+	u8 enable_tasklet;
+	u8 setup_stage;
+	u32 last_io;            /* timestamp */
+
+	char name[14];
+
+	unsigned double_buf:1;
+	unsigned stopped:1;
+	unsigned fnf:1;
+	unsigned has_dma:1;
+
+	u8 ackwait;
+	u8 dma_channel;
+	u16 dma_counter;
+	int lch;
+
+	struct timer_list timer;
+};
+
+struct qe_udc {
+	struct usb_gadget gadget;
+	struct usb_gadget_driver *driver;
+	struct device *dev;
+	struct qe_ep eps[USB_MAX_ENDPOINTS];
+	struct usb_ctrlrequest local_setup_buff;
+	spinlock_t lock;	/* lock for set/config qe_udc */
+	unsigned long soc_type;		/* QE or CPM soc */
+
+	struct qe_req *status_req;	/* ep0 status request */
+
+	/* USB and EP Parameter Block pointer */
+	struct usb_device_para __iomem *usb_param;
+	struct usb_ep_para __iomem *ep_param[4];
+
+	u32 max_pipes;          /* Device max pipes */
+	u32 max_use_endpts;     /* Max endpointes to be used */
+	u32 bus_reset;          /* Device is bus reseting */
+	u32 resume_state;       /* USB state to resume*/
+	u32 usb_state;          /* USB current state */
+	u32 usb_next_state;     /* USB next state */
+	u32 ep0_state;          /* Enpoint zero state */
+	u32 ep0_dir;            /* Enpoint zero direction: can be
+				USB_DIR_IN or USB_DIR_OUT*/
+	u32 usb_sof_count;      /* SOF count */
+	u32 errors;             /* USB ERRORs count */
+
+	u8 *tmpbuf;
+	u32 c_start;
+	u32 c_end;
+
+	u8 *nullbuf;
+	dma_addr_t nullp;
+	u8 nullmap;
+	u8 device_address;	/* Device USB address */
+
+	unsigned int usb_clock;
+	unsigned int usb_irq;
+	struct usb_ctlr __iomem *usb_regs;
+
+	struct tasklet_struct rx_tasklet;
+
+	struct completion *done;	/* to make sure release() is done */
+};
+
+#define EP_STATE_IDLE	0
+#define EP_STATE_NACK	1
+#define EP_STATE_STALL	2
+
+/*
+ * transmit BD's status
+ */
+#define T_R           0x80000000         /* ready bit */
+#define T_W           0x20000000         /* wrap bit */
+#define T_I           0x10000000         /* interrupt on completion */
+#define T_L           0x08000000         /* last */
+#define T_TC          0x04000000         /* transmit CRC */
+#define T_CNF         0x02000000         /* wait for  transmit confirm */
+#define T_LSP         0x01000000         /* Low-speed transaction */
+#define T_PID         0x00c00000         /* packet id */
+#define T_NAK         0x00100000         /* No ack. */
+#define T_STAL        0x00080000         /* Stall recieved */
+#define T_TO          0x00040000         /* time out */
+#define T_UN          0x00020000         /* underrun */
+
+#define DEVICE_T_ERROR    (T_UN | T_TO)
+#define HOST_T_ERROR      (T_UN | T_TO | T_NAK | T_STAL)
+#define DEVICE_T_BD_MASK  DEVICE_T_ERROR
+#define HOST_T_BD_MASK    HOST_T_ERROR
+
+#define T_PID_SHIFT   6
+#define T_PID_DATA0   0x00800000         /* Data 0 toggle */
+#define T_PID_DATA1   0x00c00000         /* Data 1 toggle */
+
+/*
+ * receive BD's status
+ */
+#define R_E           0x80000000         /* buffer empty */
+#define R_W           0x20000000         /* wrap bit */
+#define R_I           0x10000000         /* interrupt on reception */
+#define R_L           0x08000000         /* last */
+#define R_F           0x04000000         /* first */
+#define R_PID         0x00c00000         /* packet id */
+#define R_NO          0x00100000         /* Rx Non Octet Aligned Packet */
+#define R_AB          0x00080000         /* Frame Aborted */
+#define R_CR          0x00040000         /* CRC Error */
+#define R_OV          0x00020000         /* Overrun */
+
+#define R_ERROR       (R_NO | R_AB | R_CR | R_OV)
+#define R_BD_MASK     R_ERROR
+
+#define R_PID_DATA0   0x00000000
+#define R_PID_DATA1   0x00400000
+#define R_PID_SETUP   0x00800000
+
+#define CPM_USB_STOP_TX 0x2e600000
+#define CPM_USB_RESTART_TX 0x2e600000
+#define CPM_USB_STOP_TX_OPCODE 0x0a
+#define CPM_USB_RESTART_TX_OPCODE 0x0b
+#define CPM_USB_EP_SHIFT 5
+
+#ifndef CONFIG_CPM
+inline int cpm_command(u32 command, u8 opcode)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+#ifndef CONFIG_QUICC_ENGINE
+inline int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol,
+	u32 cmd_input)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+#endif  /* __FSL_QE_UDC_H */
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 17d9905101b..4e3107dd2f3 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -151,6 +151,13 @@
 #define	gadget_is_m66592(g)	0
 #endif
 
+/* Freescale CPM/QE UDC SUPPORT */
+#ifdef CONFIG_USB_GADGET_FSL_QE
+#define gadget_is_fsl_qe(g)	!strcmp("fsl_qe_udc", (g)->name)
+#else
+#define gadget_is_fsl_qe(g)	0
+#endif
+
 
 // CONFIG_USB_GADGET_SX2
 // CONFIG_USB_GADGET_AU1X00
@@ -216,6 +223,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x20;
 	else if (gadget_is_m66592(gadget))
 		return 0x21;
+	else if (gadget_is_fsl_qe(gadget))
+		return 0x22;
 	return -ENOENT;
 }
 
-- 
GitLab


From 8bfa24727087d7252f9ecfb5fea2dfc92d797fbd Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 2 Sep 2008 10:12:11 -0400
Subject: [PATCH 1173/2224] usb-storage: report underflow with no sense data

This patch (as1118) addresses a problem with certain USB mass-storage
devices.  These devices sometimes return less data than asked for and
then provide no sense data to explain the problem.  Currently
usb-storage leaves it up to the SCSI layer to decide how this should
be handled, and the SCSI layer interprets the lack of sense data to
mean that nothing went wrong.  But if we got less data than required
then something definitely _did_ go wrong, and we should say so.

The patch tells the SCSI layer to retry the command when this sort of
thing happens.  Retrying may not solve the underlying problem, but
it's better than believing that data was transferred when it wasn't.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/storage/transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 3523a0bfa0f..79108d5d317 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -663,7 +663,7 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
 	}
 
 	/* Did we transfer less than the minimum amount required? */
-	if (srb->result == SAM_STAT_GOOD &&
+	if ((srb->result == SAM_STAT_GOOD || srb->sense_buffer[2] == 0) &&
 			scsi_bufflen(srb) - scsi_get_resid(srb) < srb->underflow)
 		srb->result = (DID_ERROR << 16) | (SUGGEST_RETRY << 24);
 
-- 
GitLab


From 4a511bc3f5829bc18428bcf11c25417a79d09396 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Wed, 3 Sep 2008 16:38:32 -0400
Subject: [PATCH 1174/2224] OHCI: Allow broken controllers to auto-stop

This patch (as1134) attempts to improve the way we handle OHCI
controllers with broken Root Hub Status Change interrupt support.  In
these controllers the RHSC interrupt bit essentially never turns off,
making RHSC interrupts useless -- they have to remain permanently
disabled.

Such controllers should still be allowed to turn off their root hubs
when no devices are attached.  Polling for new connections can
continue while the root hub is suspended.  The patch implements this
feature.  (It won't have much effect unless CONFIG_PM is enabled and
CONFIG_USB_SUSPEND is disabled, but since the overhead is very small
we may as well do it.)

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ohci-hub.c | 60 ++++++++++++++++++++-----------------
 1 file changed, 32 insertions(+), 28 deletions(-)

diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 7ea9a7b3115..a150e85c901 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -362,18 +362,23 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 		int any_connected)
 {
 	int	poll_rh = 1;
-	int	rhsc;
+	int	rhsc_status, rhsc_enable;
 
-	rhsc = ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC;
-	switch (ohci->hc_control & OHCI_CTRL_HCFS) {
+	/* Some broken controllers never turn off RHCS in the interrupt
+	 * status register.  For their sake we won't re-enable RHSC
+	 * interrupts if the interrupt bit is already active.
+	 */
+	rhsc_status = ohci_readl(ohci, &ohci->regs->intrstatus) &
+			OHCI_INTR_RHSC;
+	rhsc_enable = ohci_readl(ohci, &ohci->regs->intrenable) &
+			OHCI_INTR_RHSC;
 
+	switch (ohci->hc_control & OHCI_CTRL_HCFS) {
 	case OHCI_USB_OPER:
-		/* If no status changes are pending, enable status-change
-		 * interrupts.
-		 */
-		if (!rhsc && !changed) {
-			rhsc = OHCI_INTR_RHSC;
-			ohci_writel(ohci, rhsc, &ohci->regs->intrenable);
+		/* If no status changes are pending, enable RHSC interrupts. */
+		if (!rhsc_enable && !rhsc_status && !changed) {
+			rhsc_enable = OHCI_INTR_RHSC;
+			ohci_writel(ohci, rhsc_enable, &ohci->regs->intrenable);
 		}
 
 		/* Keep on polling until we know a device is connected
@@ -383,7 +388,7 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 			if (any_connected ||
 					!device_may_wakeup(&ohci_to_hcd(ohci)
 						->self.root_hub->dev)) {
-				if (rhsc)
+				if (rhsc_enable)
 					poll_rh = 0;
 			} else {
 				ohci->autostop = 1;
@@ -396,34 +401,36 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 				ohci->autostop = 0;
 				ohci->next_statechange = jiffies +
 						STATECHANGE_DELAY;
-			} else if (rhsc && time_after_eq(jiffies,
+			} else if (time_after_eq(jiffies,
 						ohci->next_statechange)
 					&& !ohci->ed_rm_list
 					&& !(ohci->hc_control &
 						OHCI_SCHED_ENABLES)) {
 				ohci_rh_suspend(ohci, 1);
-				poll_rh = 0;
+				if (rhsc_enable)
+					poll_rh = 0;
 			}
 		}
 		break;
 
-	/* if there is a port change, autostart or ask to be resumed */
 	case OHCI_USB_SUSPEND:
 	case OHCI_USB_RESUME:
+		/* if there is a port change, autostart or ask to be resumed */
 		if (changed) {
 			if (ohci->autostop)
 				ohci_rh_resume(ohci);
 			else
 				usb_hcd_resume_root_hub(ohci_to_hcd(ohci));
 		} else {
-			if (!rhsc && (ohci->autostop ||
+			if (!rhsc_enable && !rhsc_status && (ohci->autostop ||
 					ohci_to_hcd(ohci)->self.root_hub->
-						do_remote_wakeup))
-				ohci_writel(ohci, OHCI_INTR_RHSC,
+						do_remote_wakeup)) {
+				rhsc_enable = OHCI_INTR_RHSC;
+				ohci_writel(ohci, rhsc_enable,
 						&ohci->regs->intrenable);
-
-			/* everything is idle, no need for polling */
-			poll_rh = 0;
+			}
+			if (rhsc_enable)
+				poll_rh = 0;
 		}
 		break;
 	}
@@ -443,12 +450,16 @@ static inline int ohci_rh_resume(struct ohci_hcd *ohci)
 static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 		int any_connected)
 {
+	int	rhsc_status;
+
 	/* If RHSC is enabled, don't poll */
 	if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC)
 		return 0;
 
-	/* If no status changes are pending, enable status-change interrupts */
-	if (!changed) {
+	/* If no status changes are pending, enable RHSC interrupts */
+	rhsc_status = ohci_readl(ohci, &ohci->regs->intrstatus) &
+			OHCI_INTR_RHSC;
+	if (!changed && !rhsc_status) {
 		ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
 		return 0;
 	}
@@ -492,13 +503,6 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 		length++;
 	}
 
-	/* Some broken controllers never turn off RHCS in the interrupt
-	 * status register.  For their sake we won't re-enable RHSC
-	 * interrupts if the flag is already set.
-	 */
-	if (ohci_readl(ohci, &ohci->regs->intrstatus) & OHCI_INTR_RHSC)
-		changed = 1;
-
 	/* look at each port */
 	for (i = 0; i < ohci->num_ports; i++) {
 		u32	status = roothub_portstatus (ohci, i);
-- 
GitLab


From d1b1944085ab2345fae4a5fbb614f1a4d0732d3e Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Tue, 2 Sep 2008 14:16:11 +0200
Subject: [PATCH 1175/2224] USB: Documentation/usb/anchors.txt #2

This adds Documentation for the extensions of the anchor API.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/usb/anchors.txt | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/usb/anchors.txt b/Documentation/usb/anchors.txt
index 5e6b64c20d2..6f24f566955 100644
--- a/Documentation/usb/anchors.txt
+++ b/Documentation/usb/anchors.txt
@@ -52,6 +52,11 @@ Therefore no guarantee is made that the URBs have been unlinked when
 the call returns. They may be unlinked later but will be unlinked in
 finite time.
 
+usb_scuttle_anchored_urbs()
+---------------------------
+
+All URBs of an anchor are unanchored en masse.
+
 usb_wait_anchor_empty_timeout()
 -------------------------------
 
@@ -59,4 +64,16 @@ This function waits for all URBs associated with an anchor to finish
 or a timeout, whichever comes first. Its return value will tell you
 whether the timeout was reached.
 
+usb_anchor_empty()
+------------------
+
+Returns true if no URBs are associated with an anchor. Locking
+is the caller's responsibility.
+
+usb_get_from_anchor()
+---------------------
 
+Returns the oldest anchored URB of an anchor. The URB is unanchored
+and returned with a reference. As you may mix URBs to several
+destinations in one anchor you have no guarantee the chronologically
+first submitted URB is returned.
\ No newline at end of file
-- 
GitLab


From bc45df950d30b9b23bd8373dcc22e58c4fb075ed Mon Sep 17 00:00:00 2001
From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Mon, 8 Sep 2008 10:14:47 +0200
Subject: [PATCH 1176/2224] usb core: fix USB_OTG_BLACKLIST_HUB typo

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index cc9f397e839..e1759d17ac5 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -134,5 +134,5 @@ config USB_OTG_BLACKLIST_HUB
 	  If you say Y here, then Linux will refuse to enumerate
 	  external hubs.  OTG hosts are allowed to reduce hardware
 	  and software costs by not supporting external hubs.  So
-	  are "Emedded Hosts" that don't offer OTG support.
+	  are "Embedded Hosts" that don't offer OTG support.
 
-- 
GitLab


From 682650437e7acef01e914a7fb6ef16da16bb69c5 Mon Sep 17 00:00:00 2001
From: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Date: Wed, 10 Sep 2008 17:18:46 +0300
Subject: [PATCH 1177/2224] USB: ftdi_sio: fix 'product' parameter description

Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/ftdi_sio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index ef3dc1a61b6..89dab5c3682 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2459,5 +2459,5 @@ module_param(vendor, ushort, 0);
 MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
 		__MODULE_STRING(FTDI_VID)")");
 module_param(product, ushort, 0);
-MODULE_PARM_DESC(vendor, "User specified product ID");
+MODULE_PARM_DESC(product, "User specified product ID");
 
-- 
GitLab


From 399d31da4e2f701ba91cdb4b39e074d6e16174a9 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Mon, 15 Sep 2008 17:29:28 +0200
Subject: [PATCH 1178/2224] USB: RESET_RESUME needs to block autosuspend when
 remote wakeup is needed

Reset upon resumption will wipe the input buffer and is therefore
a reason to not suspend if remote wakeup is requested because
the driver needs that data.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 5a7fa6f0995..e935be7eb46 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1070,7 +1070,8 @@ static int autosuspend_check(struct usb_device *udev, int reschedule)
 				struct usb_driver *driver;
 
 				driver = to_usb_driver(intf->dev.driver);
-				if (!driver->reset_resume)
+				if (!driver->reset_resume ||
+				    intf->needs_remote_wakeup)
 					return -EOPNOTSUPP;
 			}
 		}
-- 
GitLab


From 7384a922b5a716b4e9dbcdce738f2b2104892008 Mon Sep 17 00:00:00 2001
From: Kevin Lloyd <klloyd@sierrawireless.com>
Date: Tue, 16 Sep 2008 21:05:24 -0700
Subject: [PATCH 1179/2224] USB Serial: Sierra: debug message fix

This patch moves dbg calls to dev_dbg where possible. It also fixes some
issues with a previous submission aiming to do the same thing.

Signed-off-by: Kevin Lloyd <klloyd@sierrawireless.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/sierra.c | 69 ++++++++++++++++++++-----------------
 1 file changed, 38 insertions(+), 31 deletions(-)

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 8b9eaf38367..6794e5721df 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -247,7 +247,7 @@ static int sierra_send_setup(struct tty_struct *tty,
 	struct sierra_port_private *portdata;
 	__u16 interface = 0;
 
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 
 	portdata = usb_get_serial_port_data(port);
 
@@ -284,7 +284,7 @@ static int sierra_send_setup(struct tty_struct *tty,
 static void sierra_set_termios(struct tty_struct *tty,
 		struct usb_serial_port *port, struct ktermios *old_termios)
 {
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 	tty_termios_copy_hw(tty->termios, old_termios);
 	sierra_send_setup(tty, port);
 }
@@ -295,6 +295,7 @@ static int sierra_tiocmget(struct tty_struct *tty, struct file *file)
 	unsigned int value;
 	struct sierra_port_private *portdata;
 
+	dev_dbg(&port->dev, "%s", __func__);
 	portdata = usb_get_serial_port_data(port);
 
 	value = ((portdata->rts_state) ? TIOCM_RTS : 0) |
@@ -334,14 +335,14 @@ static void sierra_outdat_callback(struct urb *urb)
 	int status = urb->status;
 	unsigned long flags;
 
-	dbg("%s - port %d", __func__, port->number);
+	dev_dbg(&port->dev, "%s - port %d", __func__, port->number);
 
 	/* free up the transfer buffer, as usb_free_urb() does not do this */
 	kfree(urb->transfer_buffer);
 
 	if (status)
-		dbg("%s - nonzero write bulk status received: %d",
-		    __func__, status);
+		dev_dbg(&port->dev, "%s - nonzero write bulk status "
+		    "received: %d", __func__, status);
 
 	spin_lock_irqsave(&portdata->lock, flags);
 	--portdata->outstanding_urbs;
@@ -363,12 +364,12 @@ static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	portdata = usb_get_serial_port_data(port);
 
-	dbg("%s: write (%d chars)", __func__, count);
+	dev_dbg(&port->dev, "%s: write (%d chars)", __func__, count);
 
 	spin_lock_irqsave(&portdata->lock, flags);
 	if (portdata->outstanding_urbs > N_OUT_URB) {
 		spin_unlock_irqrestore(&portdata->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dev_dbg(&port->dev, "%s - write limit hit\n", __func__);
 		return 0;
 	}
 	portdata->outstanding_urbs++;
@@ -437,8 +438,8 @@ static void sierra_indat_callback(struct urb *urb)
 	port =  urb->context;
 
 	if (status) {
-		dbg("%s: nonzero status: %d on endpoint %02x.",
-		    __func__, status, endpoint);
+		dev_dbg(&port->dev, "%s: nonzero status: %d on"
+		    " endpoint %02x.", __func__, status, endpoint);
 	} else {
 		if (urb->actual_length) {
 		tty = tty_port_tty_get(&port->port);
@@ -447,7 +448,8 @@ static void sierra_indat_callback(struct urb *urb)
 			tty_flip_buffer_push(tty);
 			tty_kref_put(tty);
 		} else
-			dbg("%s: empty read urb received", __func__);
+			dev_dbg(&port->dev, "%s: empty read urb"
+				" received", __func__);
 
 		/* Resubmit urb so we continue receiving */
 		if (port->port.count && status != -ESHUTDOWN) {
@@ -468,15 +470,17 @@ static void sierra_instat_callback(struct urb *urb)
 	struct sierra_port_private *portdata = usb_get_serial_port_data(port);
 	struct usb_serial *serial = port->serial;
 
-	dbg("%s", __func__);
-	dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
+	dev_dbg(&port->dev, "%s", __func__);
+	dev_dbg(&port->dev, "%s: urb %p port %p has data %p", __func__,
+		urb, port, portdata);
 
 	if (status == 0) {
 		struct usb_ctrlrequest *req_pkt =
 				(struct usb_ctrlrequest *)urb->transfer_buffer;
 
 		if (!req_pkt) {
-			dbg("%s: NULL req_pkt\n", __func__);
+			dev_dbg(&port->dev, "%s: NULL req_pkt\n",
+				__func__);
 			return;
 		}
 		if ((req_pkt->bRequestType == 0xA1) &&
@@ -487,7 +491,8 @@ static void sierra_instat_callback(struct urb *urb)
 					sizeof(struct usb_ctrlrequest));
 			struct tty_struct *tty;
 
-			dbg("%s: signal x%x", __func__, signals);
+			dev_dbg(&port->dev, "%s: signal x%x", __func__,
+				signals);
 
 			old_dcd_state = portdata->dcd_state;
 			portdata->cts_state = 1;
@@ -501,19 +506,20 @@ static void sierra_instat_callback(struct urb *urb)
 				tty_hangup(tty);
 			tty_kref_put(tty);
 		} else {
-			dbg("%s: type %x req %x", __func__,
-				req_pkt->bRequestType, req_pkt->bRequest);
+			dev_dbg(&port->dev, "%s: type %x req %x",
+				__func__, req_pkt->bRequestType,
+				req_pkt->bRequest);
 		}
 	} else
-		dbg("%s: error %d", __func__, status);
+		dev_dbg(&port->dev, "%s: error %d", __func__, status);
 
 	/* Resubmit urb so we continue receiving IRQ data */
 	if (status != -ESHUTDOWN) {
 		urb->dev = serial->dev;
 		err = usb_submit_urb(urb, GFP_ATOMIC);
 		if (err)
-			dbg("%s: resubmit intr urb failed. (%d)",
-				__func__, err);
+			dev_dbg(&port->dev, "%s: resubmit intr urb "
+				"failed. (%d)",	__func__, err);
 	}
 }
 
@@ -523,14 +529,14 @@ static int sierra_write_room(struct tty_struct *tty)
 	struct sierra_port_private *portdata = usb_get_serial_port_data(port);
 	unsigned long flags;
 
-	dbg("%s - port %d", __func__, port->number);
+	dev_dbg(&port->dev, "%s - port %d", __func__, port->number);
 
 	/* try to give a good number back based on if we have any free urbs at
 	 * this point in time */
 	spin_lock_irqsave(&portdata->lock, flags);
 	if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) {
 		spin_unlock_irqrestore(&portdata->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dev_dbg(&port->dev, "%s - write limit hit\n", __func__);
 		return 0;
 	}
 	spin_unlock_irqrestore(&portdata->lock, flags);
@@ -549,7 +555,7 @@ static int sierra_open(struct tty_struct *tty,
 
 	portdata = usb_get_serial_port_data(port);
 
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 
 	/* Set some sane defaults */
 	portdata->rts_state = 1;
@@ -561,8 +567,8 @@ static int sierra_open(struct tty_struct *tty,
 		if (!urb)
 			continue;
 		if (urb->dev != serial->dev) {
-			dbg("%s: dev %p != %p", __func__,
-				urb->dev, serial->dev);
+			dev_dbg(&port->dev, "%s: dev %p != %p",
+				 __func__, urb->dev, serial->dev);
 			continue;
 		}
 
@@ -601,7 +607,7 @@ static void sierra_close(struct tty_struct *tty,
 	struct usb_serial *serial = port->serial;
 	struct sierra_port_private *portdata;
 
-	dbg("%s", __func__);
+	dev_dbg(&port->dev, "%s", __func__);
 	portdata = usb_get_serial_port_data(port);
 
 	portdata->rts_state = 0;
@@ -630,7 +636,7 @@ static int sierra_startup(struct usb_serial *serial)
 	int i;
 	int j;
 
-	dbg("%s", __func__);
+	dev_dbg(&serial->dev->dev, "%s", __func__);
 
 	/* Set Device mode to D0 */
 	sierra_set_power_state(serial->dev, 0x0000);
@@ -644,8 +650,9 @@ static int sierra_startup(struct usb_serial *serial)
 		port = serial->port[i];
 		portdata = kzalloc(sizeof(*portdata), GFP_KERNEL);
 		if (!portdata) {
-			dbg("%s: kmalloc for sierra_port_private (%d) failed!.",
-					__func__, i);
+			dev_dbg(&port->dev, "%s: kmalloc for "
+				"sierra_port_private (%d) failed!.",
+				__func__, i);
 			return -ENOMEM;
 		}
 		spin_lock_init(&portdata->lock);
@@ -665,8 +672,8 @@ static int sierra_startup(struct usb_serial *serial)
 		for (j = 0; j < N_IN_URB; ++j) {
 			urb = usb_alloc_urb(0, GFP_KERNEL);
 			if (urb == NULL) {
-				dbg("%s: alloc for in port failed.",
-				    __func__);
+				dev_dbg(&port->dev, "%s: alloc for in "
+					"port failed.", __func__);
 				continue;
 			}
 			/* Fill URB using supplied data. */
@@ -688,7 +695,7 @@ static void sierra_shutdown(struct usb_serial *serial)
 	struct usb_serial_port *port;
 	struct sierra_port_private *portdata;
 
-	dbg("%s", __func__);
+	dev_dbg(&serial->dev->dev, "%s", __func__);
 
 	for (i = 0; i < serial->num_ports; ++i) {
 		port = serial->port[i];
-- 
GitLab


From 81ab5b8ee6b8cd5fe8cfdf0eea84eea0aa7b4da9 Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Sat, 20 Sep 2008 14:41:47 -0700
Subject: [PATCH 1180/2224] USB: Fix doc for usb_autopm_enable

Correct errors in the descriptions for usb_autopm_enable
and usb_autopm_disable in the USB PM doc.

Signed-off-by: Geoff Levand <geoff@infradead.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/usb/power-management.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/usb/power-management.txt b/Documentation/usb/power-management.txt
index 9d31140e3f5..e48ea1d5101 100644
--- a/Documentation/usb/power-management.txt
+++ b/Documentation/usb/power-management.txt
@@ -350,12 +350,12 @@ without holding the mutex.
 
 There also are a couple of utility routines drivers can use:
 
-	usb_autopm_enable() sets pm_usage_cnt to 1 and then calls
-	usb_autopm_set_interface(), which will attempt an autoresume.
-
-	usb_autopm_disable() sets pm_usage_cnt to 0 and then calls
+	usb_autopm_enable() sets pm_usage_cnt to 0 and then calls
 	usb_autopm_set_interface(), which will attempt an autosuspend.
 
+	usb_autopm_disable() sets pm_usage_cnt to 1 and then calls
+	usb_autopm_set_interface(), which will attempt an autoresume.
+
 The conventional usage pattern is that a driver calls
 usb_autopm_get_interface() in its open routine and
 usb_autopm_put_interface() in its close or release routine.  But
-- 
GitLab


From 0b14c3881d4b91272b779f4037e263d392de058f Mon Sep 17 00:00:00 2001
From: Geoff Levand <geoff@infradead.org>
Date: Sat, 20 Sep 2008 14:41:47 -0700
Subject: [PATCH 1181/2224] USB: Fix spelling in usb/serial.h

Fixes a minor typo in the comments for usb_set_serial_data.

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/usb/serial.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 655341d0f53..0b8617a9176 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -192,7 +192,7 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data)
  * The driver.owner field should be set to the module owner of this driver.
  * The driver.name field should be set to the name of this driver (remember
  * it will show up in sysfs, so it needs to be short and to the point.
- * Useing the module name is a good idea.)
+ * Using the module name is a good idea.)
  */
 struct usb_serial_driver {
 	const char *description;
-- 
GitLab


From 8296345a35551414b07419f4c9223734c1fc5437 Mon Sep 17 00:00:00 2001
From: SangSu Park <sangsu@gmail.com>
Date: Mon, 22 Sep 2008 15:41:15 -0700
Subject: [PATCH 1182/2224] USB: g_printer: fix handling zero-length packet

g_printer doesn't have to check whether the data size is a multiple of
MaxPacketSize, because device controller driver already make that check.

Signed-off-by: SangSu Park<sangsu@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <david-b@pacbell.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/printer.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 2b3b9e1dd2e..00b7ed5013a 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -1278,8 +1278,7 @@ unknown:
 	/* respond with data transfer before status phase? */
 	if (value >= 0) {
 		req->length = value;
-		req->zero = value < wLength
-				&& (value % gadget->ep0->maxpacket) == 0;
+		req->zero = value < wLength;
 		value = usb_ep_queue(gadget->ep0, req, GFP_ATOMIC);
 		if (value < 0) {
 			DBG(dev, "ep_queue --> %d\n", value);
-- 
GitLab


From 549c41e0ac0a3eb68cfdaeb43c1a314e2a6c289a Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Fri, 19 Sep 2008 02:00:02 +0300
Subject: [PATCH 1183/2224] usb: gadget: workaround storage command size issues

Try to workaround issues with bad SCSI implementations
by ignoring the command size error.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/file_storage.c | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 0c632d22a63..e0f616f39ba 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -2676,11 +2676,24 @@ static int check_command(struct fsg_dev *fsg, int cmnd_size,
 	/* Verify the length of the command itself */
 	if (cmnd_size != fsg->cmnd_size) {
 
-		/* Special case workaround: MS-Windows issues REQUEST SENSE
-		 * with cbw->Length == 12 (it should be 6). */
-		if (fsg->cmnd[0] == SC_REQUEST_SENSE && fsg->cmnd_size == 12)
+		/* Special case workaround: There are plenty of buggy SCSI
+		 * implementations. Many have issues with cbw->Length
+		 * field passing a wrong command size. For those cases we
+		 * always try to work around the problem by using the length
+		 * sent by the host side provided it is at least as large
+		 * as the correct command length.
+		 * Examples of such cases would be MS-Windows, which issues
+		 * REQUEST SENSE with cbw->Length == 12 where it should
+		 * be 6, and xbox360 issuing INQUIRY, TEST UNIT READY and
+		 * REQUEST SENSE with cbw->Length == 10 where it should
+		 * be 6 as well.
+		 */
+		if (cmnd_size <= fsg->cmnd_size) {
+			DBG(fsg, "%s is buggy! Expected length %d "
+					"but we got %d\n", name,
+					cmnd_size, fsg->cmnd_size);
 			cmnd_size = fsg->cmnd_size;
-		else {
+		} else {
 			fsg->phase_error = 1;
 			return -EINVAL;
 		}
-- 
GitLab


From 3c04e20ea95f9a8555456000e0ff340bdc46dea8 Mon Sep 17 00:00:00 2001
From: Ming Lei <tom.leiming@gmail.com>
Date: Thu, 18 Sep 2008 23:06:21 +0800
Subject: [PATCH 1184/2224] USB: ehci-dbg: increase debug buffer size for
 periodic file

This patch is based on the following ideas:

1. Some usb devices (such as usb video class) have endpoints of high
   interval attribute, so reading "periodic" file need more debug buffer
   to accommodate the qh or itd schedule information.  For example, 4KB
   buffer is not enough for a single interrupt qh of 2ms period.

2. print a %p need 16 byte buffer on 64-bits arch, but 8 byte on 32-bits
   arch. Add a extra bonus for 64-bits arch.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-dbg.c | 44 +++++++++++++++++++++----------------
 drivers/usb/host/ehci-hcd.c |  1 +
 2 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index b0f8ed5a7fb..9534ff3f5e7 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -358,7 +358,8 @@ struct debug_buffer {
 	struct usb_bus *bus;
 	struct mutex mutex;	/* protect filling of buffer */
 	size_t count;		/* number of characters filled into buffer */
-	char *page;
+	char *output_buf;
+	size_t alloc_size;
 };
 
 #define speed_char(info1) ({ char tmp; \
@@ -488,8 +489,8 @@ static ssize_t fill_async_buffer(struct debug_buffer *buf)
 
 	hcd = bus_to_hcd(buf->bus);
 	ehci = hcd_to_ehci (hcd);
-	next = buf->page;
-	size = PAGE_SIZE;
+	next = buf->output_buf;
+	size = buf->alloc_size;
 
 	*next = 0;
 
@@ -510,7 +511,7 @@ static ssize_t fill_async_buffer(struct debug_buffer *buf)
 	}
 	spin_unlock_irqrestore (&ehci->lock, flags);
 
-	return strlen(buf->page);
+	return strlen(buf->output_buf);
 }
 
 #define DBG_SCHED_LIMIT 64
@@ -531,8 +532,8 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 
 	hcd = bus_to_hcd(buf->bus);
 	ehci = hcd_to_ehci (hcd);
-	next = buf->page;
-	size = PAGE_SIZE;
+	next = buf->output_buf;
+	size = buf->alloc_size;
 
 	temp = scnprintf (next, size, "size = %d\n", ehci->periodic_size);
 	size -= temp;
@@ -649,7 +650,7 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 	spin_unlock_irqrestore (&ehci->lock, flags);
 	kfree (seen);
 
-	return PAGE_SIZE - size;
+	return buf->alloc_size - size;
 }
 #undef DBG_SCHED_LIMIT
 
@@ -665,8 +666,8 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 
 	hcd = bus_to_hcd(buf->bus);
 	ehci = hcd_to_ehci (hcd);
-	next = buf->page;
-	size = PAGE_SIZE;
+	next = buf->output_buf;
+	size = buf->alloc_size;
 
 	spin_lock_irqsave (&ehci->lock, flags);
 
@@ -808,7 +809,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 done:
 	spin_unlock_irqrestore (&ehci->lock, flags);
 
-	return PAGE_SIZE - size;
+	return buf->alloc_size - size;
 }
 
 static struct debug_buffer *alloc_buffer(struct usb_bus *bus,
@@ -822,6 +823,7 @@ static struct debug_buffer *alloc_buffer(struct usb_bus *bus,
 		buf->bus = bus;
 		buf->fill_func = fill_func;
 		mutex_init(&buf->mutex);
+		buf->alloc_size = PAGE_SIZE;
 	}
 
 	return buf;
@@ -831,10 +833,10 @@ static int fill_buffer(struct debug_buffer *buf)
 {
 	int ret = 0;
 
-	if (!buf->page)
-		buf->page = (char *)get_zeroed_page(GFP_KERNEL);
+	if (!buf->output_buf)
+		buf->output_buf = (char *)vmalloc(buf->alloc_size);
 
-	if (!buf->page) {
+	if (!buf->output_buf) {
 		ret = -ENOMEM;
 		goto out;
 	}
@@ -867,7 +869,7 @@ static ssize_t debug_output(struct file *file, char __user *user_buf,
 	mutex_unlock(&buf->mutex);
 
 	ret = simple_read_from_buffer(user_buf, len, offset,
-				      buf->page, buf->count);
+				      buf->output_buf, buf->count);
 
 out:
 	return ret;
@@ -879,8 +881,8 @@ static int debug_close(struct inode *inode, struct file *file)
 	struct debug_buffer *buf = file->private_data;
 
 	if (buf) {
-		if (buf->page)
-			free_page((unsigned long)buf->page);
+		if (buf->output_buf)
+			vfree(buf->output_buf);
 		kfree(buf);
 	}
 
@@ -895,10 +897,14 @@ static int debug_async_open(struct inode *inode, struct file *file)
 
 static int debug_periodic_open(struct inode *inode, struct file *file)
 {
-	file->private_data = alloc_buffer(inode->i_private,
-					  fill_periodic_buffer);
+	struct debug_buffer *buf;
+	buf = alloc_buffer(inode->i_private, fill_periodic_buffer);
+	if (!buf)
+		return -ENOMEM;
 
-	return file->private_data ? 0 : -ENOMEM;
+	buf->alloc_size = (sizeof(void *) == 4 ? 6 : 8)*PAGE_SIZE;
+	file->private_data = buf;
+	return 0;
 }
 
 static int debug_registers_open(struct inode *inode, struct file *file)
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 8409e0705d6..7378aa137a4 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -24,6 +24,7 @@
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
+#include <linux/vmalloc.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/timer.h>
-- 
GitLab


From 3c4bb71f96c69ef3c81fda108c96b633a2000de2 Mon Sep 17 00:00:00 2001
From: Ming Lei <tom.leiming@gmail.com>
Date: Thu, 18 Sep 2008 23:06:38 +0800
Subject: [PATCH 1185/2224] USB: ehci-dbg: fix reading less content of periodic
 file

This patch fix 2 problems about reading periodic file:

1. The "..." after a interrupt qh is missed because buffer pointer is
   not moved.

2. After setting p.ptr as NULL, its next qh or itd will be omited and
   can't be stored in debug buffer.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-dbg.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 9534ff3f5e7..5d57773e730 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -569,14 +569,16 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 				for (temp = 0; temp < seen_count; temp++) {
 					if (seen [temp].ptr != p.ptr)
 						continue;
-					if (p.qh->qh_next.ptr)
+					if (p.qh->qh_next.ptr) {
 						temp = scnprintf (next, size,
 							" ...");
-					p.ptr = NULL;
+						size -= temp;
+						next += temp;
+					}
 					break;
 				}
 				/* show more info the first time around */
-				if (temp == seen_count && p.ptr) {
+				if (temp == seen_count) {
 					u32	scratch = hc32_to_cpup(ehci,
 							&p.qh->hw_info1);
 					struct ehci_qtd	*qtd;
-- 
GitLab


From 8520f38099ccfdac2147a0852f84ee7a8ee5e197 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Mon, 22 Sep 2008 14:44:26 -0400
Subject: [PATCH 1186/2224] USB: change hub initialization sleeps to
 delayed_work

This patch (as1137) changes the hub_activate() routine, replacing the
power-power-up and debounce delays with delayed_work calls.  The idea
is that on systems where the USB stack is compiled into the kernel
rather than built as modules, these delays will no longer block the
boot thread.  At least 100 ms is saved for each root hub, which can
add up to a significant savings in total boot time.

Arjan van de Ven was very pleased to see that this shaved 700 ms off
his computer's boot time.  Since his total boot time is on the order
of two seconds, the improvement is considerable.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/hub.c | 91 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 81 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index d99963873e3..b97110ca352 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -77,6 +77,7 @@ struct usb_hub {
 	unsigned		has_indicators:1;
 	u8			indicator[USB_MAXCHILDREN];
 	struct delayed_work	leds;
+	struct delayed_work	init_work;
 };
 
 
@@ -515,10 +516,14 @@ void usb_hub_tt_clear_buffer (struct usb_device *udev, int pipe)
 }
 EXPORT_SYMBOL_GPL(usb_hub_tt_clear_buffer);
 
-static void hub_power_on(struct usb_hub *hub)
+/* If do_delay is false, return the number of milliseconds the caller
+ * needs to delay.
+ */
+static unsigned hub_power_on(struct usb_hub *hub, bool do_delay)
 {
 	int port1;
 	unsigned pgood_delay = hub->descriptor->bPwrOn2PwrGood * 2;
+	unsigned delay;
 	u16 wHubCharacteristics =
 			le16_to_cpu(hub->descriptor->wHubCharacteristics);
 
@@ -537,7 +542,10 @@ static void hub_power_on(struct usb_hub *hub)
 		set_port_feature(hub->hdev, port1, USB_PORT_FEAT_POWER);
 
 	/* Wait at least 100 msec for power to become stable */
-	msleep(max(pgood_delay, (unsigned) 100));
+	delay = max(pgood_delay, (unsigned) 100);
+	if (do_delay)
+		msleep(delay);
+	return delay;
 }
 
 static int hub_hub_status(struct usb_hub *hub,
@@ -599,21 +607,55 @@ static void hub_port_logical_disconnect(struct usb_hub *hub, int port1)
 }
 
 enum hub_activation_type {
-	HUB_INIT, HUB_POST_RESET, HUB_RESUME, HUB_RESET_RESUME
+	HUB_INIT, HUB_INIT2, HUB_INIT3,
+	HUB_POST_RESET, HUB_RESUME, HUB_RESET_RESUME,
 };
 
+static void hub_init_func2(struct work_struct *ws);
+static void hub_init_func3(struct work_struct *ws);
+
 static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 {
 	struct usb_device *hdev = hub->hdev;
 	int port1;
 	int status;
 	bool need_debounce_delay = false;
+	unsigned delay;
+
+	/* Continue a partial initialization */
+	if (type == HUB_INIT2)
+		goto init2;
+	if (type == HUB_INIT3)
+		goto init3;
 
 	/* After a resume, port power should still be on.
 	 * For any other type of activation, turn it on.
 	 */
-	if (type != HUB_RESUME)
-		hub_power_on(hub);
+	if (type != HUB_RESUME) {
+
+		/* Speed up system boot by using a delayed_work for the
+		 * hub's initial power-up delays.  This is pretty awkward
+		 * and the implementation looks like a home-brewed sort of
+		 * setjmp/longjmp, but it saves at least 100 ms for each
+		 * root hub (assuming usbcore is compiled into the kernel
+		 * rather than as a module).  It adds up.
+		 *
+		 * This can't be done for HUB_RESUME or HUB_RESET_RESUME
+		 * because for those activation types the ports have to be
+		 * operational when we return.  In theory this could be done
+		 * for HUB_POST_RESET, but it's easier not to.
+		 */
+		if (type == HUB_INIT) {
+			delay = hub_power_on(hub, false);
+			PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func2);
+			schedule_delayed_work(&hub->init_work,
+					msecs_to_jiffies(delay));
+			return;		/* Continues at init2: below */
+		} else {
+			hub_power_on(hub, true);
+		}
+	}
+ init2:
 
 	/* Check each port and set hub->change_bits to let khubd know
 	 * which ports need attention.
@@ -692,9 +734,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	 * If any port-status changes do occur during this delay, khubd
 	 * will see them later and handle them normally.
 	 */
-	if (need_debounce_delay)
-		msleep(HUB_DEBOUNCE_STABLE);
-
+	if (need_debounce_delay) {
+		delay = HUB_DEBOUNCE_STABLE;
+
+		/* Don't do a long sleep inside a workqueue routine */
+		if (type == HUB_INIT2) {
+			PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func3);
+			schedule_delayed_work(&hub->init_work,
+					msecs_to_jiffies(delay));
+			return;		/* Continues at init3: below */
+		} else {
+			msleep(delay);
+		}
+	}
+ init3:
 	hub->quiescing = 0;
 
 	status = usb_submit_urb(hub->urb, GFP_NOIO);
@@ -707,6 +760,21 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	kick_khubd(hub);
 }
 
+/* Implement the continuations for the delays above */
+static void hub_init_func2(struct work_struct *ws)
+{
+	struct usb_hub *hub = container_of(ws, struct usb_hub, init_work.work);
+
+	hub_activate(hub, HUB_INIT2);
+}
+
+static void hub_init_func3(struct work_struct *ws)
+{
+	struct usb_hub *hub = container_of(ws, struct usb_hub, init_work.work);
+
+	hub_activate(hub, HUB_INIT3);
+}
+
 enum hub_quiescing_type {
 	HUB_DISCONNECT, HUB_PRE_RESET, HUB_SUSPEND
 };
@@ -716,6 +784,8 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
 	struct usb_device *hdev = hub->hdev;
 	int i;
 
+	cancel_delayed_work_sync(&hub->init_work);
+
 	/* khubd and related activity won't re-trigger */
 	hub->quiescing = 1;
 
@@ -1099,6 +1169,7 @@ descriptor_error:
 	hub->intfdev = &intf->dev;
 	hub->hdev = hdev;
 	INIT_DELAYED_WORK(&hub->leds, led_work);
+	INIT_DELAYED_WORK(&hub->init_work, NULL);
 	usb_get_intf(intf);
 
 	usb_set_intfdata (intf, hub);
@@ -3035,7 +3106,7 @@ static void hub_events(void)
 					i);
 				clear_port_feature(hdev, i,
 					USB_PORT_FEAT_C_OVER_CURRENT);
-				hub_power_on(hub);
+				hub_power_on(hub, true);
 			}
 
 			if (portchange & USB_PORT_STAT_C_RESET) {
@@ -3070,7 +3141,7 @@ static void hub_events(void)
 				dev_dbg (hub_dev, "overcurrent change\n");
 				msleep(500);	/* Cool down */
 				clear_hub_feature(hdev, C_HUB_OVER_CURRENT);
-                        	hub_power_on(hub);
+                        	hub_power_on(hub, true);
 			}
 		}
 
-- 
GitLab


From bb4e3b5ac81a9601775e62649038934acafa78e2 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 22 Sep 2008 15:00:10 -0700
Subject: [PATCH 1187/2224] usbmon: fix tiny race exposed by the fastboot
 patches

usbmon registers the notifier chain, takes the bus lock and then goes to
scan the existing devices for hooking up.

Unfortunately, if usb_mon gets initialized while USB bus discovery is
going on, it's possible that usbmon gets a notifier on one cpu (which runs
without USB locks), and the scan is going on and also finds the new bus,
resulting in a double sysfs registration, which then produces a WARNING.

Pete Zaitcev did the bug diagnostics on this one

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/mon/mon_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c
index 442d8076b20..5e0ab4201c0 100644
--- a/drivers/usb/mon/mon_main.c
+++ b/drivers/usb/mon/mon_main.c
@@ -361,12 +361,12 @@ static int __init mon_init(void)
 	}
 	// MOD_INC_USE_COUNT(which_module?);
 
-	usb_register_notify(&mon_nb);
 
 	mutex_lock(&usb_bus_list_lock);
 	list_for_each_entry (ubus, &usb_bus_list, bus_list) {
 		mon_bus_init(ubus);
 	}
+	usb_register_notify(&mon_nb);
 	mutex_unlock(&usb_bus_list_lock);
 	return 0;
 
-- 
GitLab


From cede969fe21adece300300a455580635590deb47 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Mon, 22 Sep 2008 15:00:07 -0700
Subject: [PATCH 1188/2224] usb: remove code associated with !CONFIG_PPC_MERGE

Now that arch/ppc is gone we don't need CONFIG_PPC_MERGE anymore remove
the dead code associated with !CONFIG_PPC_MERGE.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-hcd.c     |   5 -
 drivers/usb/host/ehci-ppc-soc.c | 201 --------------------------------
 drivers/usb/host/ehci.h         |   9 --
 drivers/usb/host/ohci.h         |   8 --
 4 files changed, 223 deletions(-)
 delete mode 100644 drivers/usb/host/ehci-ppc-soc.c

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 7378aa137a4..c6f9961eed3 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1021,11 +1021,6 @@ MODULE_LICENSE ("GPL");
 #define	PS3_SYSTEM_BUS_DRIVER	ps3_ehci_driver
 #endif
 
-#if defined(CONFIG_440EPX) && !defined(CONFIG_PPC_MERGE)
-#include "ehci-ppc-soc.c"
-#define	PLATFORM_DRIVER		ehci_ppc_soc_driver
-#endif
-
 #ifdef CONFIG_USB_EHCI_HCD_PPC_OF
 #include "ehci-ppc-of.c"
 #define OF_PLATFORM_DRIVER	ehci_hcd_ppc_of_driver
diff --git a/drivers/usb/host/ehci-ppc-soc.c b/drivers/usb/host/ehci-ppc-soc.c
deleted file mode 100644
index 529590eb403..00000000000
--- a/drivers/usb/host/ehci-ppc-soc.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * EHCI HCD (Host Controller Driver) for USB.
- *
- * (C) Copyright 2006-2007 Stefan Roese <sr@denx.de>, DENX Software Engineering
- *
- * Bus Glue for PPC On-Chip EHCI driver
- * Tested on AMCC 440EPx
- *
- * Based on "ehci-au1xxx.c" by K.Boge <karsten.boge@amd.com>
- *
- * This file is licenced under the GPL.
- */
-
-#include <linux/platform_device.h>
-
-extern int usb_disabled(void);
-
-/* called during probe() after chip reset completes */
-static int ehci_ppc_soc_setup(struct usb_hcd *hcd)
-{
-	struct ehci_hcd	*ehci = hcd_to_ehci(hcd);
-	int		retval;
-
-	retval = ehci_halt(ehci);
-	if (retval)
-		return retval;
-
-	retval = ehci_init(hcd);
-	if (retval)
-		return retval;
-
-	ehci->sbrn = 0x20;
-	return ehci_reset(ehci);
-}
-
-/**
- * usb_ehci_ppc_soc_probe - initialize PPC-SoC-based HCDs
- * Context: !in_interrupt()
- *
- * Allocates basic resources for this USB host controller, and
- * then invokes the start() method for the HCD associated with it
- * through the hotplug entry's driver_data.
- *
- */
-int usb_ehci_ppc_soc_probe(const struct hc_driver *driver,
-			   struct usb_hcd **hcd_out,
-			   struct platform_device *dev)
-{
-	int retval;
-	struct usb_hcd *hcd;
-	struct ehci_hcd *ehci;
-
-	if (dev->resource[1].flags != IORESOURCE_IRQ) {
-		pr_debug("resource[1] is not IORESOURCE_IRQ");
-		retval = -ENOMEM;
-	}
-	hcd = usb_create_hcd(driver, &dev->dev, "PPC-SOC EHCI");
-	if (!hcd)
-		return -ENOMEM;
-	hcd->rsrc_start = dev->resource[0].start;
-	hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1;
-
-	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		pr_debug("request_mem_region failed");
-		retval = -EBUSY;
-		goto err1;
-	}
-
-	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-	if (!hcd->regs) {
-		pr_debug("ioremap failed");
-		retval = -ENOMEM;
-		goto err2;
-	}
-
-	ehci = hcd_to_ehci(hcd);
-	ehci->big_endian_mmio = 1;
-	ehci->big_endian_desc = 1;
-	ehci->caps = hcd->regs;
-	ehci->regs = hcd->regs + HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
-
-	/* cache this readonly data; minimize chip reads */
-	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
-
-#if defined(CONFIG_440EPX)
-	/*
-	 * 440EPx Errata USBH_3
-	 * Fix: Enable Break Memory Transfer (BMT) in INSNREG3
-	 */
-	out_be32((void *)((ulong)(&ehci->regs->command) + 0x8c), (1 << 0));
-	ehci_dbg(ehci, "Break Memory Transfer (BMT) has beed enabled!\n");
-#endif
-
-	retval = usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED);
-	if (retval == 0)
-		return retval;
-
-	iounmap(hcd->regs);
-err2:
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err1:
-	usb_put_hcd(hcd);
-	return retval;
-}
-
-/* may be called without controller electrically present */
-/* may be called with controller, bus, and devices active */
-
-/**
- * usb_ehci_hcd_ppc_soc_remove - shutdown processing for PPC-SoC-based HCDs
- * @dev: USB Host Controller being removed
- * Context: !in_interrupt()
- *
- * Reverses the effect of usb_ehci_hcd_ppc_soc_probe(), first invoking
- * the HCD's stop() method.  It is always called from a thread
- * context, normally "rmmod", "apmd", or something similar.
- *
- */
-void usb_ehci_ppc_soc_remove(struct usb_hcd *hcd, struct platform_device *dev)
-{
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
-}
-
-static const struct hc_driver ehci_ppc_soc_hc_driver = {
-	.description = hcd_name,
-	.product_desc = "PPC-SOC EHCI",
-	.hcd_priv_size = sizeof(struct ehci_hcd),
-
-	/*
-	 * generic hardware linkage
-	 */
-	.irq = ehci_irq,
-	.flags = HCD_MEMORY | HCD_USB2,
-
-	/*
-	 * basic lifecycle operations
-	 */
-	.reset = ehci_ppc_soc_setup,
-	.start = ehci_run,
-	.stop = ehci_stop,
-	.shutdown = ehci_shutdown,
-
-	/*
-	 * managing i/o requests and associated device resources
-	 */
-	.urb_enqueue = ehci_urb_enqueue,
-	.urb_dequeue = ehci_urb_dequeue,
-	.endpoint_disable = ehci_endpoint_disable,
-
-	/*
-	 * scheduling support
-	 */
-	.get_frame_number = ehci_get_frame,
-
-	/*
-	 * root hub support
-	 */
-	.hub_status_data = ehci_hub_status_data,
-	.hub_control = ehci_hub_control,
-	.bus_suspend = ehci_bus_suspend,
-	.bus_resume = ehci_bus_resume,
-	.relinquish_port = ehci_relinquish_port,
-	.port_handed_over = ehci_port_handed_over,
-};
-
-static int ehci_hcd_ppc_soc_drv_probe(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = NULL;
-	int ret;
-
-	pr_debug("In ehci_hcd_ppc_soc_drv_probe\n");
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	/* FIXME we only want one one probe() not two */
-	ret = usb_ehci_ppc_soc_probe(&ehci_ppc_soc_hc_driver, &hcd, pdev);
-	return ret;
-}
-
-static int ehci_hcd_ppc_soc_drv_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-	/* FIXME we only want one one remove() not two */
-	usb_ehci_ppc_soc_remove(hcd, pdev);
-	return 0;
-}
-
-MODULE_ALIAS("platform:ppc-soc-ehci");
-static struct platform_driver ehci_ppc_soc_driver = {
-	.probe = ehci_hcd_ppc_soc_drv_probe,
-	.remove = ehci_hcd_ppc_soc_drv_remove,
-	.shutdown = usb_hcd_platform_shutdown,
-	.driver = {
-		.name = "ppc-soc-ehci",
-	}
-};
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index b697a13364e..fb1770d6e20 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -604,16 +604,7 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
 /*
  * Big-endian read/write functions are arch-specific.
  * Other arches can be added if/when they're needed.
- *
- * REVISIT: arch/powerpc now has readl/writel_be, so the
- * definition below can die once the 4xx support is
- * finally ported over.
  */
-#if defined(CONFIG_PPC) && !defined(CONFIG_PPC_MERGE)
-#define readl_be(addr)		in_be32((__force unsigned *)addr)
-#define writel_be(val, addr)	out_be32((__force unsigned *)addr, val)
-#endif
-
 #if defined(CONFIG_ARM) && defined(CONFIG_ARCH_IXP4XX)
 #define readl_be(addr)		__raw_readl((__force unsigned *)addr)
 #define writel_be(val, addr)	__raw_writel(val, (__force unsigned *)addr)
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index faf622eafce..222011f6172 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -540,15 +540,7 @@ static inline struct usb_hcd *ohci_to_hcd (const struct ohci_hcd *ohci)
  * Big-endian read/write functions are arch-specific.
  * Other arches can be added if/when they're needed.
  *
- * REVISIT: arch/powerpc now has readl/writel_be, so the
- * definition below can die once the STB04xxx support is
- * finally ported over.
  */
-#if defined(CONFIG_PPC) && !defined(CONFIG_PPC_MERGE)
-#define readl_be(addr)		in_be32((__force unsigned *)addr)
-#define writel_be(val, addr)	out_be32((__force unsigned *)addr, val)
-#endif
-
 static inline unsigned int _ohci_readl (const struct ohci_hcd *ohci,
 					__hc32 __iomem * regs)
 {
-- 
GitLab


From 02582b92f60fa33b68b90263013e98550286db0a Mon Sep 17 00:00:00 2001
From: Kevin Hilman <khilman@deeprootsystems.com>
Date: Mon, 15 Sep 2008 12:09:31 +0200
Subject: [PATCH 1189/2224] MUSB: Add sanity check for maximum number of
 endpoints

There is no check if platform code passes in more endpoints (num_eps)
than the maximum number of enpoints (MUSB_C_NUM_EPS.)  The result is
that allocate_instance() happily writes past the end of 'struct musb'
corrupting memory.

This patch adds a BUG() if the platform code requests more than the max.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 128e949db47..bd82253a332 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1806,6 +1806,7 @@ allocate_instance(struct device *dev,
 	musb->ctrl_base = mbase;
 	musb->nIrq = -ENODEV;
 	musb->config = config;
+	BUG_ON(musb->config->num_eps > MUSB_C_NUM_EPS);
 	for (epnum = 0, ep = musb->endpoints;
 			epnum < musb->config->num_eps;
 			epnum++, ep++) {
-- 
GitLab


From 36e893d25aa2abcae0f11ef263de0e8322641386 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Fri, 12 Sep 2008 09:39:06 -0700
Subject: [PATCH 1190/2224] usb gadget: USB_GADGET_VBUS_DRAW Kconfig option

Offer a "how much VBUS power to request" configuration option
for USB gadgets that aren't using board-specific customization
of their gadget or (composite) configuration drivers.

Also remove a couple pointless "depends on USB_GADGET" bits
from the Kconfig text; booleans inside an "if USB_GADGET" will
already have that dependency.

Based on a patch from Justin Clacherty.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Justin Clacherty <justin@redfish-group.com>
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/Kconfig        | 23 ++++++++++++++++++++---
 drivers/usb/gadget/cdc2.c         |  1 -
 drivers/usb/gadget/composite.c    |  4 ++--
 drivers/usb/gadget/ether.c        |  2 --
 drivers/usb/gadget/f_loopback.c   |  1 -
 drivers/usb/gadget/f_sourcesink.c |  1 -
 drivers/usb/gadget/file_storage.c |  2 +-
 drivers/usb/gadget/gmidi.c        |  2 +-
 drivers/usb/gadget/printer.c      |  3 +--
 drivers/usb/gadget/serial.c       |  1 -
 10 files changed, 25 insertions(+), 15 deletions(-)

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index c0dfd9be311..1a72715bce8 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -45,7 +45,7 @@ if USB_GADGET
 
 config USB_GADGET_DEBUG
 	boolean "Debugging messages (DEVELOPMENT)"
-	depends on USB_GADGET && DEBUG_KERNEL
+	depends on DEBUG_KERNEL
 	help
 	   Many controller and gadget drivers will print some debugging
 	   messages if you use this option to ask for those messages.
@@ -59,7 +59,7 @@ config USB_GADGET_DEBUG
 
 config USB_GADGET_DEBUG_FILES
 	boolean "Debugging information files (DEVELOPMENT)"
-	depends on USB_GADGET && PROC_FS
+	depends on PROC_FS
 	help
 	   Some of the drivers in the "gadget" framework can expose
 	   debugging information in files such as /proc/driver/udc
@@ -70,7 +70,7 @@ config USB_GADGET_DEBUG_FILES
 
 config USB_GADGET_DEBUG_FS
 	boolean "Debugging information files in debugfs (DEVELOPMENT)"
-	depends on USB_GADGET && DEBUG_FS
+	depends on DEBUG_FS
 	help
 	   Some of the drivers in the "gadget" framework can expose
 	   debugging information in files under /sys/kernel/debug/.
@@ -79,6 +79,23 @@ config USB_GADGET_DEBUG_FS
 	   Enable these files by choosing "Y" here.  If in doubt, or
 	   to conserve kernel memory, say "N".
 
+config USB_GADGET_VBUS_DRAW
+	int "Maximum VBUS Power usage (2-500 mA)"
+	range 2 500
+	default 2
+	help
+	   Some devices need to draw power from USB when they are
+	   configured, perhaps to operate circuitry or to recharge
+	   batteries.  This is in addition to any local power supply,
+	   such as an AC adapter or batteries.
+
+	   Enter the maximum power your device draws through USB, in
+	   milliAmperes.  The permitted range of values is 2 - 500 mA;
+	   0 mA would be legal, but can make some hosts misbehave.
+
+	   This value will be used except for system-specific gadget
+	   drivers that have more specific information.
+
 config	USB_GADGET_SELECTED
 	boolean
 
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index a724fc14985..5495b171cf2 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -155,7 +155,6 @@ static struct usb_configuration cdc_config_driver = {
 	.bConfigurationValue	= 1,
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower		= 1,	/* 2 mA, minimal */
 };
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index f79fdb839cb..f2da0269e1b 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -245,7 +245,7 @@ static int config_buf(struct usb_configuration *config,
 	c->bConfigurationValue = config->bConfigurationValue;
 	c->iConfiguration = config->iConfiguration;
 	c->bmAttributes = USB_CONFIG_ATT_ONE | config->bmAttributes;
-	c->bMaxPower = config->bMaxPower;
+	c->bMaxPower = config->bMaxPower ? : (CONFIG_USB_GADGET_VBUS_DRAW / 2);
 
 	/* There may be e.g. OTG descriptors */
 	if (config->descriptors) {
@@ -432,7 +432,7 @@ static int set_config(struct usb_composite_dev *cdev,
 	}
 
 	/* when we return, be sure our power usage is valid */
-	power = 2 * c->bMaxPower;
+	power = c->bMaxPower ? (2 * c->bMaxPower) : CONFIG_USB_GADGET_VBUS_DRAW;
 done:
 	usb_gadget_vbus_draw(gadget, power);
 	return result;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 944c8e889ab..37252d0012a 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -242,7 +242,6 @@ static struct usb_configuration rndis_config_driver = {
 	.bConfigurationValue	= 2,
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower		= 1,	/* 2 mA, minimal */
 };
 
 /*-------------------------------------------------------------------------*/
@@ -271,7 +270,6 @@ static struct usb_configuration eth_config_driver = {
 	.bConfigurationValue	= 1,
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes		= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower		= 1,	/* 2 mA, minimal */
 };
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index 87dde012dac..8affe1dfc2c 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -352,7 +352,6 @@ static struct usb_configuration loopback_driver = {
 	.bind		= loopback_bind_config,
 	.bConfigurationValue = 2,
 	.bmAttributes	= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower	= 1,	/* 2 mA, minimal */
 	/* .iConfiguration = DYNAMIC */
 };
 
diff --git a/drivers/usb/gadget/f_sourcesink.c b/drivers/usb/gadget/f_sourcesink.c
index f18c3a14d72..dc84d26d283 100644
--- a/drivers/usb/gadget/f_sourcesink.c
+++ b/drivers/usb/gadget/f_sourcesink.c
@@ -552,7 +552,6 @@ static struct usb_configuration sourcesink_driver = {
 	.setup		= sourcesink_setup,
 	.bConfigurationValue = 3,
 	.bmAttributes	= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower	= 1,	/* 2 mA, minimal */
 	/* .iConfiguration = DYNAMIC */
 };
 
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index e0f616f39ba..c4e62a6297d 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -851,7 +851,7 @@ config_desc = {
 	.bConfigurationValue =	CONFIG_VALUE,
 	.iConfiguration =	STRING_CONFIG,
 	.bmAttributes =		USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower =		1,	// self-powered
+	.bMaxPower =		CONFIG_USB_GADGET_VBUS_DRAW / 2,
 };
 
 static struct usb_otg_descriptor
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index 6eee760410d..60d3f9e9b51 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -222,7 +222,7 @@ static struct usb_config_descriptor config_desc = {
 	 * power properties of the device. Is it selfpowered?
 	 */
 	.bmAttributes =		USB_CONFIG_ATT_ONE,
-	.bMaxPower =		1,
+	.bMaxPower =		CONFIG_USB_GADGET_VBUS_DRAW / 2,
 };
 
 /* B.3.1  Standard AC Interface Descriptor */
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 00b7ed5013a..5a3034fdfe4 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -252,7 +252,7 @@ static struct usb_config_descriptor config_desc = {
 	.bConfigurationValue =	DEV_CONFIG_VALUE,
 	.iConfiguration =	0,
 	.bmAttributes =		USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower =		1	/* Self-Powered */
+	.bMaxPower =		CONFIG_USB_GADGET_VBUS_DRAW / 2,
 };
 
 static struct usb_interface_descriptor intf_desc = {
@@ -1476,7 +1476,6 @@ autoconf_fail:
 	if (gadget->is_otg) {
 		otg_desc.bmAttributes |= USB_OTG_HNP,
 		config_desc.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
-		config_desc.bMaxPower = 4;
 	}
 
 	spin_lock_init(&dev->lock);
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 2dee848b2f5..37879af1c43 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -159,7 +159,6 @@ static struct usb_configuration serial_config_driver = {
 	/* .bConfigurationValue = f(use_acm) */
 	/* .iConfiguration = DYNAMIC */
 	.bmAttributes	= USB_CONFIG_ATT_SELFPOWER,
-	.bMaxPower	= 1,	/* 2 mA, minimal */
 };
 
 static int __init gs_bind(struct usb_composite_dev *cdev)
-- 
GitLab


From f9e9cff613b8239ce9159735aa662c9c85b478bf Mon Sep 17 00:00:00 2001
From: Yauhen Kharuzhy <jekhor@gmail.com>
Date: Fri, 12 Sep 2008 09:02:23 -0700
Subject: [PATCH 1191/2224] USB: Fix s3c2410_udc usb speed handling

The new composite framework revealed a weakness in the
s3c2410_udc driver gadget register function. Instead of
checking if speed asked for was USB_LOW_SPEED upon
usb_gadget_register() to deny service, it checked only
for USB_FULL_SPEED, thus denying service to usb high
speed capable gadgets (like g_ether).

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/s3c2410_udc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 29d13ebe750..48f51b12d2e 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1651,7 +1651,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 		return -EBUSY;
 
 	if (!driver->bind || !driver->setup
-			|| driver->speed != USB_SPEED_FULL) {
+			|| driver->speed < USB_SPEED_FULL) {
 		printk(KERN_ERR "Invalid driver: bind %p setup %p speed %d\n",
 			driver->bind, driver->setup, driver->speed);
 		return -EINVAL;
-- 
GitLab


From eaa3246e7dbddd7a029bef22e8b80cbab03466a2 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Thu, 11 Sep 2008 11:53:19 +0300
Subject: [PATCH 1192/2224] musb: io: only define read/write stubs if they're
 not defined yet

For those archs which don't provide read/write friends we
provide our own implementation so musb driver won't break
compilation.

This is temporary fix until a better solution comes from
upstream. Idealy, <linux/io.h> would provide those calls
if the architecture did not provide them yet. In that case
being possible to remove all those stubs from musb_io.h

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_io.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h
index 6bbedae83af..223f0a51409 100644
--- a/drivers/usb/musb/musb_io.h
+++ b/drivers/usb/musb/musb_io.h
@@ -37,7 +37,9 @@
 
 #include <linux/io.h>
 
-#ifndef	CONFIG_ARM
+#if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
+	&& !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \
+	&& !defined(CONFIG_PPC64)
 static inline void readsl(const void __iomem *addr, void *buf, int len)
 	{ insl((unsigned long)addr, buf, len); }
 static inline void readsw(const void __iomem *addr, void *buf, int len)
-- 
GitLab


From ae5ad2963939d24eb77b8fa725d0703dc0f97a47 Mon Sep 17 00:00:00 2001
From: Ajay Kumar Gupta <ajay.gupta@ti.com>
Date: Thu, 11 Sep 2008 11:53:20 +0300
Subject: [PATCH 1193/2224] OMAP:MUSB: Fixes the TT programming.

Fixes enumeration failures when a USB device attached to a LS hub is
connected to OMAP EVM via HS hub. This is fixed by correctly
programming hub address register in enqueue path.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_host.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 8b4be012669..fcd72b54c85 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1873,7 +1873,11 @@ static int musb_urb_enqueue(
 			/* set up tt info if needed */
 			if (urb->dev->tt) {
 				qh->h_port_reg = (u8) urb->dev->ttport;
-				qh->h_addr_reg |= 0x80;
+				if (urb->dev->tt->hub)
+					qh->h_addr_reg =
+						(u8) urb->dev->tt->hub->devnum;
+				if (urb->dev->tt->multi)
+					qh->h_addr_reg |= 0x80;
 			}
 		}
 	}
-- 
GitLab


From 2492e6747f2441562b1341cef1d46e076f346a1f Mon Sep 17 00:00:00 2001
From: Ajay Kumar Gupta <ajay.gupta@ti.com>
Date: Thu, 11 Sep 2008 11:53:21 +0300
Subject: [PATCH 1194/2224] OMAP:MUSB: Corrects urb unlink function path

Fixes kernel panic while ISO IN transfer is aborted.Replaced
usb_hcd_unlink_urb_from_ep() from musb_giveback() to __musb_giveback()
to make sure urb is unlinked before giveback when __musb_giveback() is
called from musb_urb_dequeue().

Acquired musb->lock() before usb_hcd_unlink_urb_from_ep() within in
enqueue path.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_host.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index fcd72b54c85..17b5c189250 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -291,6 +291,7 @@ __acquires(musb->lock)
 			urb->actual_length, urb->transfer_buffer_length
 			);
 
+	usb_hcd_unlink_urb_from_ep(musb_to_hcd(musb), urb);
 	spin_unlock(&musb->lock);
 	usb_hcd_giveback_urb(musb_to_hcd(musb), urb, status);
 	spin_lock(&musb->lock);
@@ -353,8 +354,6 @@ musb_giveback(struct musb_qh *qh, struct urb *urb, int status)
 		break;
 	}
 
-	usb_hcd_unlink_urb_from_ep(musb_to_hcd(musb), urb);
-
 	qh->is_ready = 0;
 	__musb_giveback(musb, urb, status);
 	qh->is_ready = ready;
@@ -1791,7 +1790,9 @@ static int musb_urb_enqueue(
 	 */
 	qh = kzalloc(sizeof *qh, mem_flags);
 	if (!qh) {
+		spin_lock_irqsave(&musb->lock, flags);
 		usb_hcd_unlink_urb_from_ep(hcd, urb);
+		spin_unlock_irqrestore(&musb->lock, flags);
 		return -ENOMEM;
 	}
 
@@ -1907,7 +1908,9 @@ static int musb_urb_enqueue(
 
 done:
 	if (ret != 0) {
+		spin_lock_irqsave(&musb->lock, flags);
 		usb_hcd_unlink_urb_from_ep(hcd, urb);
+		spin_unlock_irqrestore(&musb->lock, flags);
 		kfree(qh);
 	}
 	return ret;
-- 
GitLab


From 64ca44a65adf131c4df5124fe0fcdc3896f0f0dc Mon Sep 17 00:00:00 2001
From: Bryan Wu <cooloney@kernel.org>
Date: Thu, 11 Sep 2008 11:53:22 +0300
Subject: [PATCH 1195/2224] usb: musb: do not mess up count number and CSR0
 register value

Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_gadget_ep0.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c
index a57652fff39..3f5e30ddfa2 100644
--- a/drivers/usb/musb/musb_gadget_ep0.c
+++ b/drivers/usb/musb/musb_gadget_ep0.c
@@ -437,7 +437,7 @@ static void ep0_rxstate(struct musb *musb)
 {
 	void __iomem		*regs = musb->control_ep->regs;
 	struct usb_request	*req;
-	u16			tmp;
+	u16			count, csr;
 
 	req = next_ep0_request(musb);
 
@@ -449,35 +449,35 @@ static void ep0_rxstate(struct musb *musb)
 		unsigned	len = req->length - req->actual;
 
 		/* read the buffer */
-		tmp = musb_readb(regs, MUSB_COUNT0);
-		if (tmp > len) {
+		count = musb_readb(regs, MUSB_COUNT0);
+		if (count > len) {
 			req->status = -EOVERFLOW;
-			tmp = len;
+			count = len;
 		}
-		musb_read_fifo(&musb->endpoints[0], tmp, buf);
-		req->actual += tmp;
-		tmp = MUSB_CSR0_P_SVDRXPKTRDY;
-		if (tmp < 64 || req->actual == req->length) {
+		musb_read_fifo(&musb->endpoints[0], count, buf);
+		req->actual += count;
+		csr = MUSB_CSR0_P_SVDRXPKTRDY;
+		if (count < 64 || req->actual == req->length) {
 			musb->ep0_state = MUSB_EP0_STAGE_STATUSIN;
-			tmp |= MUSB_CSR0_P_DATAEND;
+			csr |= MUSB_CSR0_P_DATAEND;
 		} else
 			req = NULL;
 	} else
-		tmp = MUSB_CSR0_P_SVDRXPKTRDY | MUSB_CSR0_P_SENDSTALL;
+		csr = MUSB_CSR0_P_SVDRXPKTRDY | MUSB_CSR0_P_SENDSTALL;
 
 
 	/* Completion handler may choose to stall, e.g. because the
 	 * message just received holds invalid data.
 	 */
 	if (req) {
-		musb->ackpend = tmp;
+		musb->ackpend = csr;
 		musb_g_ep0_giveback(musb, req);
 		if (!musb->ackpend)
 			return;
 		musb->ackpend = 0;
 	}
 	musb_ep_select(musb->mregs, 0);
-	musb_writew(regs, MUSB_CSR0, tmp);
+	musb_writew(regs, MUSB_CSR0, csr);
 }
 
 /*
-- 
GitLab


From c767c1c6f1febbd1351cc152bba6e37889322d17 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Thu, 11 Sep 2008 11:53:23 +0300
Subject: [PATCH 1196/2224] usb: musb_hdrc build fixes

Minor musb_hdrc updates:

  - so it'll build on DaVinci, given relevant platform updates;
      * remove support for an un-shipped OTG prototype
      * rely on gpiolib framework conversion for the I2C GPIOs
      * the <asm/arch/hdrc_cnf.h> mechanism has been removed

  - catch comments up to the recent removal of the per-SOC header
    with the silicon configuration data;

  - and remove two inappropriate "inline" declarations which
    just bloat host side code.

There are still some more <asm/arch/XYZ.h> ==> <mach/XYZ.h>
changes needed in this driver, catching up to the relocation
of most of the include/asm-arm/arch-* contents.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: stable <stable@kernel.org> [2.6.27]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/Kconfig     |  4 ----
 drivers/usb/musb/cppi_dma.h  |  4 ++--
 drivers/usb/musb/davinci.c   | 20 ++++----------------
 drivers/usb/musb/musb_core.c |  8 ++++----
 drivers/usb/musb/musb_host.c |  6 +++---
 5 files changed, 13 insertions(+), 29 deletions(-)

diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
index 58b2b8fc943..4b9542bbb35 100644
--- a/drivers/usb/musb/Kconfig
+++ b/drivers/usb/musb/Kconfig
@@ -33,10 +33,6 @@ config USB_MUSB_SOC
 	default y if ARCH_DAVINCI
 	default y if ARCH_OMAP2430
 	default y if ARCH_OMAP34XX
-	help
-	  Use a static <asm/arch/hdrc_cnf.h> file to describe how the
-	  controller is configured (endpoints, mechanisms, etc) on the
-	  current iteration of a given system-on-chip.
 
 comment "DaVinci 644x USB support"
 	depends on USB_MUSB_HDRC && ARCH_DAVINCI
diff --git a/drivers/usb/musb/cppi_dma.h b/drivers/usb/musb/cppi_dma.h
index fc5216b5d2c..729b4071787 100644
--- a/drivers/usb/musb/cppi_dma.h
+++ b/drivers/usb/musb/cppi_dma.h
@@ -119,8 +119,8 @@ struct cppi {
 	void __iomem			*mregs;		/* Mentor regs */
 	void __iomem			*tibase;	/* TI/CPPI regs */
 
-	struct cppi_channel		tx[MUSB_C_NUM_EPT - 1];
-	struct cppi_channel		rx[MUSB_C_NUM_EPR - 1];
+	struct cppi_channel		tx[4];
+	struct cppi_channel		rx[4];
 
 	struct dma_pool			*pool;
 
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 75baf181a8c..dfb3bcbe00f 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -30,6 +30,7 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/gpio.h>
 
 #include <asm/arch/hardware.h>
 #include <asm/arch/memory.h>
@@ -39,7 +40,7 @@
 #include "musb_core.h"
 
 #ifdef CONFIG_MACH_DAVINCI_EVM
-#include <asm/arch/i2c-client.h>
+#define GPIO_nVBUS_DRV		87
 #endif
 
 #include "davinci.h"
@@ -138,7 +139,6 @@ static int vbus_state = -1;
 /* VBUS SWITCHING IS BOARD-SPECIFIC */
 
 #ifdef CONFIG_MACH_DAVINCI_EVM
-#ifndef CONFIG_MACH_DAVINCI_EVM_OTG
 
 /* I2C operations are always synchronous, and require a task context.
  * With unloaded systems, using the shared workqueue seems to suffice
@@ -146,12 +146,11 @@ static int vbus_state = -1;
  */
 static void evm_deferred_drvvbus(struct work_struct *ignored)
 {
-	davinci_i2c_expander_op(0x3a, USB_DRVVBUS, vbus_state);
+	gpio_set_value_cansleep(GPIO_nVBUS_DRV, vbus_state);
 	vbus_state = !vbus_state;
 }
 static DECLARE_WORK(evm_vbus_work, evm_deferred_drvvbus);
 
-#endif	/* modified board */
 #endif	/* EVM */
 
 static void davinci_source_power(struct musb *musb, int is_on, int immediate)
@@ -165,21 +164,10 @@ static void davinci_source_power(struct musb *musb, int is_on, int immediate)
 
 #ifdef CONFIG_MACH_DAVINCI_EVM
 	if (machine_is_davinci_evm()) {
-#ifdef CONFIG_MACH_DAVINCI_EVM_OTG
-		/* modified EVM board switching VBUS with GPIO(6) not I2C
-		 * NOTE:  PINMUX0.RGB888 (bit23) must be clear
-		 */
-		if (is_on)
-			gpio_set(GPIO(6));
-		else
-			gpio_clear(GPIO(6));
-		immediate = 1;
-#else
 		if (immediate)
-			davinci_i2c_expander_op(0x3a, USB_DRVVBUS, !is_on);
+			gpio_set_value_cansleep(GPIO_nVBUS_DRV, vbus_state);
 		else
 			schedule_work(&evm_vbus_work);
-#endif
 	}
 #endif
 	if (immediate)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index bd82253a332..d5af6b0d8af 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -82,9 +82,9 @@
 /*
  * This gets many kinds of configuration information:
  *	- Kconfig for everything user-configurable
- *	- <asm/arch/hdrc_cnf.h> for SOC or family details
  *	- platform_device for addressing, irq, and platform_data
  *	- platform_data is mostly for board-specific informarion
+ *	  (plus recentrly, SOC or family details)
  *
  * Most of the conditional compilation will (someday) vanish.
  */
@@ -974,9 +974,9 @@ static void musb_shutdown(struct platform_device *pdev)
 /*
  * The silicon either has hard-wired endpoint configurations, or else
  * "dynamic fifo" sizing.  The driver has support for both, though at this
- * writing only the dynamic sizing is very well tested.   We use normal
- * idioms to so both modes are compile-tested, but dead code elimination
- * leaves only the relevant one in the object file.
+ * writing only the dynamic sizing is very well tested.   Since we switched
+ * away from compile-time hardware parameters, we can no longer rely on
+ * dead code elimination to leave only the relevant one in the object file.
  *
  * We don't currently use dynamic fifo setup capability to do anything
  * more than selecting one of a bunch of predefined configurations.
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 17b5c189250..3133990f04e 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -108,7 +108,7 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
 /*
  * Clear TX fifo. Needed to avoid BABBLE errors.
  */
-static inline void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
+static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
 {
 	void __iomem	*epio = ep->regs;
 	u16		csr;
@@ -435,7 +435,7 @@ musb_advance_schedule(struct musb *musb, struct urb *urb,
 	}
 }
 
-static inline u16 musb_h_flush_rxfifo(struct musb_hw_ep *hw_ep, u16 csr)
+static u16 musb_h_flush_rxfifo(struct musb_hw_ep *hw_ep, u16 csr)
 {
 	/* we don't want fifo to fill itself again;
 	 * ignore dma (various models),
@@ -1004,7 +1004,7 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb)
 
 /*
  * Handle default endpoint interrupt as host. Only called in IRQ time
- * from the LinuxIsr() interrupt service routine.
+ * from musb_interrupt().
  *
  * called with controller irqlocked
  */
-- 
GitLab


From 458e6a511f9dc91e5af5e64740b0a5c9650a25fb Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Thu, 11 Sep 2008 11:53:24 +0300
Subject: [PATCH 1197/2224] usb: musb: general cleanup to musbhsdma.c

Basically getting rid of CaMeLcAsE, but also adding
missing lines and spaces.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musbhsdma.c | 306 ++++++++++++++++++-----------------
 1 file changed, 155 insertions(+), 151 deletions(-)

diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 9ba8fb7fcd2..8c734ef2c1e 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -45,8 +45,8 @@
 #define MUSB_HSDMA_ADDRESS		0x8
 #define MUSB_HSDMA_COUNT		0xc
 
-#define MUSB_HSDMA_CHANNEL_OFFSET(_bChannel, _offset)		\
-		(MUSB_HSDMA_BASE + (_bChannel << 4) + _offset)
+#define MUSB_HSDMA_CHANNEL_OFFSET(_bchannel, _offset)		\
+		(MUSB_HSDMA_BASE + (_bchannel << 4) + _offset)
 
 /* control register (16-bit): */
 #define MUSB_HSDMA_ENABLE_SHIFT		0
@@ -67,23 +67,23 @@
 struct musb_dma_controller;
 
 struct musb_dma_channel {
-	struct dma_channel		Channel;
+	struct dma_channel		channel;
 	struct musb_dma_controller	*controller;
-	u32				dwStartAddress;
+	u32				start_addr;
 	u32				len;
-	u16				wMaxPacketSize;
-	u8				bIndex;
+	u16				max_packet_sz;
+	u8				idx;
 	u8				epnum;
 	u8				transmit;
 };
 
 struct musb_dma_controller {
-	struct dma_controller		Controller;
-	struct musb_dma_channel		aChannel[MUSB_HSDMA_CHANNELS];
-	void				*pDmaPrivate;
-	void __iomem			*pCoreBase;
-	u8				bChannelCount;
-	u8				bmUsedChannels;
+	struct dma_controller		controller;
+	struct musb_dma_channel		channel[MUSB_HSDMA_CHANNELS];
+	void				*private_data;
+	void __iomem			*base;
+	u8				channel_count;
+	u8				used_channels;
 	u8				irq;
 };
 
@@ -93,91 +93,91 @@ static int dma_controller_start(struct dma_controller *c)
 	return 0;
 }
 
-static void dma_channel_release(struct dma_channel *pChannel);
+static void dma_channel_release(struct dma_channel *channel);
 
 static int dma_controller_stop(struct dma_controller *c)
 {
-	struct musb_dma_controller *controller =
-		container_of(c, struct musb_dma_controller, Controller);
-	struct musb *musb = (struct musb *) controller->pDmaPrivate;
-	struct dma_channel *pChannel;
-	u8 bBit;
+	struct musb_dma_controller *controller = container_of(c,
+			struct musb_dma_controller, controller);
+	struct musb *musb = controller->private_data;
+	struct dma_channel *channel;
+	u8 bit;
 
-	if (controller->bmUsedChannels != 0) {
+	if (controller->used_channels != 0) {
 		dev_err(musb->controller,
 			"Stopping DMA controller while channel active\n");
 
-		for (bBit = 0; bBit < MUSB_HSDMA_CHANNELS; bBit++) {
-			if (controller->bmUsedChannels & (1 << bBit)) {
-				pChannel = &controller->aChannel[bBit].Channel;
-				dma_channel_release(pChannel);
+		for (bit = 0; bit < MUSB_HSDMA_CHANNELS; bit++) {
+			if (controller->used_channels & (1 << bit)) {
+				channel = &controller->channel[bit].channel;
+				dma_channel_release(channel);
 
-				if (!controller->bmUsedChannels)
+				if (!controller->used_channels)
 					break;
 			}
 		}
 	}
+
 	return 0;
 }
 
 static struct dma_channel *dma_channel_allocate(struct dma_controller *c,
 				struct musb_hw_ep *hw_ep, u8 transmit)
 {
-	u8 bBit;
-	struct dma_channel *pChannel = NULL;
-	struct musb_dma_channel *pImplChannel = NULL;
-	struct musb_dma_controller *controller =
-			container_of(c, struct musb_dma_controller, Controller);
-
-	for (bBit = 0; bBit < MUSB_HSDMA_CHANNELS; bBit++) {
-		if (!(controller->bmUsedChannels & (1 << bBit))) {
-			controller->bmUsedChannels |= (1 << bBit);
-			pImplChannel = &(controller->aChannel[bBit]);
-			pImplChannel->controller = controller;
-			pImplChannel->bIndex = bBit;
-			pImplChannel->epnum = hw_ep->epnum;
-			pImplChannel->transmit = transmit;
-			pChannel = &(pImplChannel->Channel);
-			pChannel->private_data = pImplChannel;
-			pChannel->status = MUSB_DMA_STATUS_FREE;
-			pChannel->max_len = 0x10000;
+	struct musb_dma_controller *controller = container_of(c,
+			struct musb_dma_controller, controller);
+	struct musb_dma_channel *musb_channel = NULL;
+	struct dma_channel *channel = NULL;
+	u8 bit;
+
+	for (bit = 0; bit < MUSB_HSDMA_CHANNELS; bit++) {
+		if (!(controller->used_channels & (1 << bit))) {
+			controller->used_channels |= (1 << bit);
+			musb_channel = &(controller->channel[bit]);
+			musb_channel->controller = controller;
+			musb_channel->idx = bit;
+			musb_channel->epnum = hw_ep->epnum;
+			musb_channel->transmit = transmit;
+			channel = &(musb_channel->channel);
+			channel->private_data = musb_channel;
+			channel->status = MUSB_DMA_STATUS_FREE;
+			channel->max_len = 0x10000;
 			/* Tx => mode 1; Rx => mode 0 */
-			pChannel->desired_mode = transmit;
-			pChannel->actual_len = 0;
+			channel->desired_mode = transmit;
+			channel->actual_len = 0;
 			break;
 		}
 	}
-	return pChannel;
+
+	return channel;
 }
 
-static void dma_channel_release(struct dma_channel *pChannel)
+static void dma_channel_release(struct dma_channel *channel)
 {
-	struct musb_dma_channel *pImplChannel =
-		(struct musb_dma_channel *) pChannel->private_data;
+	struct musb_dma_channel *musb_channel = channel->private_data;
 
-	pChannel->actual_len = 0;
-	pImplChannel->dwStartAddress = 0;
-	pImplChannel->len = 0;
+	channel->actual_len = 0;
+	musb_channel->start_addr = 0;
+	musb_channel->len = 0;
 
-	pImplChannel->controller->bmUsedChannels &=
-		~(1 << pImplChannel->bIndex);
+	musb_channel->controller->used_channels &=
+		~(1 << musb_channel->idx);
 
-	pChannel->status = MUSB_DMA_STATUS_UNKNOWN;
+	channel->status = MUSB_DMA_STATUS_UNKNOWN;
 }
 
-static void configure_channel(struct dma_channel *pChannel,
+static void configure_channel(struct dma_channel *channel,
 				u16 packet_sz, u8 mode,
 				dma_addr_t dma_addr, u32 len)
 {
-	struct musb_dma_channel *pImplChannel =
-		(struct musb_dma_channel *) pChannel->private_data;
-	struct musb_dma_controller *controller = pImplChannel->controller;
-	void __iomem *mbase = controller->pCoreBase;
-	u8 bChannel = pImplChannel->bIndex;
+	struct musb_dma_channel *musb_channel = channel->private_data;
+	struct musb_dma_controller *controller = musb_channel->controller;
+	void __iomem *mbase = controller->base;
+	u8 bchannel = musb_channel->idx;
 	u16 csr = 0;
 
 	DBG(4, "%p, pkt_sz %d, addr 0x%x, len %d, mode %d\n",
-			pChannel, packet_sz, dma_addr, len, mode);
+			channel, packet_sz, dma_addr, len, mode);
 
 	if (mode) {
 		csr |= 1 << MUSB_HSDMA_MODE1_SHIFT;
@@ -195,180 +195,183 @@ static void configure_channel(struct dma_channel *pChannel,
 		}
 	}
 
-	csr |= (pImplChannel->epnum << MUSB_HSDMA_ENDPOINT_SHIFT)
+	csr |= (musb_channel->epnum << MUSB_HSDMA_ENDPOINT_SHIFT)
 		| (1 << MUSB_HSDMA_ENABLE_SHIFT)
 		| (1 << MUSB_HSDMA_IRQENABLE_SHIFT)
-		| (pImplChannel->transmit
+		| (musb_channel->transmit
 				? (1 << MUSB_HSDMA_TRANSMIT_SHIFT)
 				: 0);
 
 	/* address/count */
 	musb_writel(mbase,
-		MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_ADDRESS),
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS),
 		dma_addr);
 	musb_writel(mbase,
-		MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_COUNT),
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT),
 		len);
 
 	/* control (this should start things) */
 	musb_writew(mbase,
-		MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_CONTROL),
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_CONTROL),
 		csr);
 }
 
-static int dma_channel_program(struct dma_channel *pChannel,
+static int dma_channel_program(struct dma_channel *channel,
 				u16 packet_sz, u8 mode,
 				dma_addr_t dma_addr, u32 len)
 {
-	struct musb_dma_channel *pImplChannel =
-			(struct musb_dma_channel *) pChannel->private_data;
+	struct musb_dma_channel *musb_channel = channel->private_data;
 
 	DBG(2, "ep%d-%s pkt_sz %d, dma_addr 0x%x length %d, mode %d\n",
-		pImplChannel->epnum,
-		pImplChannel->transmit ? "Tx" : "Rx",
+		musb_channel->epnum,
+		musb_channel->transmit ? "Tx" : "Rx",
 		packet_sz, dma_addr, len, mode);
 
-	BUG_ON(pChannel->status == MUSB_DMA_STATUS_UNKNOWN ||
-		pChannel->status == MUSB_DMA_STATUS_BUSY);
+	BUG_ON(channel->status == MUSB_DMA_STATUS_UNKNOWN ||
+		channel->status == MUSB_DMA_STATUS_BUSY);
 
-	pChannel->actual_len = 0;
-	pImplChannel->dwStartAddress = dma_addr;
-	pImplChannel->len = len;
-	pImplChannel->wMaxPacketSize = packet_sz;
-	pChannel->status = MUSB_DMA_STATUS_BUSY;
+	channel->actual_len = 0;
+	musb_channel->start_addr = dma_addr;
+	musb_channel->len = len;
+	musb_channel->max_packet_sz = packet_sz;
+	channel->status = MUSB_DMA_STATUS_BUSY;
 
 	if ((mode == 1) && (len >= packet_sz))
-		configure_channel(pChannel, packet_sz, 1, dma_addr, len);
+		configure_channel(channel, packet_sz, 1, dma_addr, len);
 	else
-		configure_channel(pChannel, packet_sz, 0, dma_addr, len);
+		configure_channel(channel, packet_sz, 0, dma_addr, len);
 
 	return true;
 }
 
-static int dma_channel_abort(struct dma_channel *pChannel)
+static int dma_channel_abort(struct dma_channel *channel)
 {
-	struct musb_dma_channel *pImplChannel =
-		(struct musb_dma_channel *) pChannel->private_data;
-	u8 bChannel = pImplChannel->bIndex;
-	void __iomem *mbase = pImplChannel->controller->pCoreBase;
+	struct musb_dma_channel *musb_channel = channel->private_data;
+	void __iomem *mbase = musb_channel->controller->base;
+
+	u8 bchannel = musb_channel->idx;
 	u16 csr;
 
-	if (pChannel->status == MUSB_DMA_STATUS_BUSY) {
-		if (pImplChannel->transmit) {
+	if (channel->status == MUSB_DMA_STATUS_BUSY) {
+		if (musb_channel->transmit) {
 
 			csr = musb_readw(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
+				MUSB_EP_OFFSET(musb_channel->epnum,
 						MUSB_TXCSR));
 			csr &= ~(MUSB_TXCSR_AUTOSET |
 				 MUSB_TXCSR_DMAENAB |
 				 MUSB_TXCSR_DMAMODE);
 			musb_writew(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
-						MUSB_TXCSR),
+				MUSB_EP_OFFSET(musb_channel->epnum, MUSB_TXCSR),
 				csr);
 		} else {
 			csr = musb_readw(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
+				MUSB_EP_OFFSET(musb_channel->epnum,
 						MUSB_RXCSR));
 			csr &= ~(MUSB_RXCSR_AUTOCLEAR |
 				 MUSB_RXCSR_DMAENAB |
 				 MUSB_RXCSR_DMAMODE);
 			musb_writew(mbase,
-				MUSB_EP_OFFSET(pImplChannel->epnum,
-						MUSB_RXCSR),
+				MUSB_EP_OFFSET(musb_channel->epnum, MUSB_RXCSR),
 				csr);
 		}
 
 		musb_writew(mbase,
-			MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_CONTROL),
+			MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_CONTROL),
 			0);
 		musb_writel(mbase,
-			MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_ADDRESS),
+			MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS),
 			0);
 		musb_writel(mbase,
-			MUSB_HSDMA_CHANNEL_OFFSET(bChannel, MUSB_HSDMA_COUNT),
+			MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT),
 			0);
 
-		pChannel->status = MUSB_DMA_STATUS_FREE;
+		channel->status = MUSB_DMA_STATUS_FREE;
 	}
+
 	return 0;
 }
 
 static irqreturn_t dma_controller_irq(int irq, void *private_data)
 {
-	struct musb_dma_controller *controller =
-		(struct musb_dma_controller *)private_data;
-	struct musb_dma_channel *pImplChannel;
-	struct musb *musb = controller->pDmaPrivate;
-	void __iomem *mbase = controller->pCoreBase;
-	struct dma_channel *pChannel;
-	u8 bChannel;
-	u16 csr;
-	u32 dwAddress;
-	u8 int_hsdma;
+	struct musb_dma_controller *controller = private_data;
+	struct musb *musb = controller->private_data;
+	struct musb_dma_channel *musb_channel;
+	struct dma_channel *channel;
+
+	void __iomem *mbase = controller->base;
+
 	irqreturn_t retval = IRQ_NONE;
+
 	unsigned long flags;
 
+	u8 bchannel;
+	u8 int_hsdma;
+
+	u32 addr;
+	u16 csr;
+
 	spin_lock_irqsave(&musb->lock, flags);
 
 	int_hsdma = musb_readb(mbase, MUSB_HSDMA_INTR);
 	if (!int_hsdma)
 		goto done;
 
-	for (bChannel = 0; bChannel < MUSB_HSDMA_CHANNELS; bChannel++) {
-		if (int_hsdma & (1 << bChannel)) {
-			pImplChannel = (struct musb_dma_channel *)
-					&(controller->aChannel[bChannel]);
-			pChannel = &pImplChannel->Channel;
+	for (bchannel = 0; bchannel < MUSB_HSDMA_CHANNELS; bchannel++) {
+		if (int_hsdma & (1 << bchannel)) {
+			musb_channel = (struct musb_dma_channel *)
+					&(controller->channel[bchannel]);
+			channel = &musb_channel->channel;
 
 			csr = musb_readw(mbase,
-					MUSB_HSDMA_CHANNEL_OFFSET(bChannel,
+					MUSB_HSDMA_CHANNEL_OFFSET(bchannel,
 							MUSB_HSDMA_CONTROL));
 
-			if (csr & (1 << MUSB_HSDMA_BUSERROR_SHIFT))
-				pImplChannel->Channel.status =
+			if (csr & (1 << MUSB_HSDMA_BUSERROR_SHIFT)) {
+				musb_channel->channel.status =
 					MUSB_DMA_STATUS_BUS_ABORT;
-			else {
+			} else {
 				u8 devctl;
 
-				dwAddress = musb_readl(mbase,
+				addr = musb_readl(mbase,
 						MUSB_HSDMA_CHANNEL_OFFSET(
-							bChannel,
+							bchannel,
 							MUSB_HSDMA_ADDRESS));
-				pChannel->actual_len = dwAddress
-					- pImplChannel->dwStartAddress;
+				channel->actual_len = addr
+					- musb_channel->start_addr;
 
 				DBG(2, "ch %p, 0x%x -> 0x%x (%d / %d) %s\n",
-					pChannel, pImplChannel->dwStartAddress,
-					dwAddress, pChannel->actual_len,
-					pImplChannel->len,
-					(pChannel->actual_len
-						< pImplChannel->len) ?
+					channel, musb_channel->start_addr,
+					addr, channel->actual_len,
+					musb_channel->len,
+					(channel->actual_len
+						< musb_channel->len) ?
 					"=> reconfig 0" : "=> complete");
 
 				devctl = musb_readb(mbase, MUSB_DEVCTL);
 
-				pChannel->status = MUSB_DMA_STATUS_FREE;
+				channel->status = MUSB_DMA_STATUS_FREE;
 
 				/* completed */
 				if ((devctl & MUSB_DEVCTL_HM)
-					&& (pImplChannel->transmit)
-					&& ((pChannel->desired_mode == 0)
-					    || (pChannel->actual_len &
-					    (pImplChannel->wMaxPacketSize - 1)))
+					&& (musb_channel->transmit)
+					&& ((channel->desired_mode == 0)
+					    || (channel->actual_len &
+					    (musb_channel->max_packet_sz - 1)))
 					 ) {
 					/* Send out the packet */
 					musb_ep_select(mbase,
-						pImplChannel->epnum);
+						musb_channel->epnum);
 					musb_writew(mbase, MUSB_EP_OFFSET(
-							pImplChannel->epnum,
+							musb_channel->epnum,
 							MUSB_TXCSR),
 						MUSB_TXCSR_TXPKTRDY);
-				} else
+				} else {
 					musb_dma_completion(
 						musb,
-						pImplChannel->epnum,
-						pImplChannel->transmit);
+						musb_channel->epnum,
+						musb_channel->transmit);
+				}
 			}
 		}
 	}
@@ -380,9 +383,9 @@ done:
 
 void dma_controller_destroy(struct dma_controller *c)
 {
-	struct musb_dma_controller *controller;
+	struct musb_dma_controller *controller = container_of(c,
+			struct musb_dma_controller, controller);
 
-	controller = container_of(c, struct musb_dma_controller, Controller);
 	if (!controller)
 		return;
 
@@ -393,7 +396,7 @@ void dma_controller_destroy(struct dma_controller *c)
 }
 
 struct dma_controller *__init
-dma_controller_create(struct musb *musb, void __iomem *pCoreBase)
+dma_controller_create(struct musb *musb, void __iomem *base)
 {
 	struct musb_dma_controller *controller;
 	struct device *dev = musb->controller;
@@ -405,29 +408,30 @@ dma_controller_create(struct musb *musb, void __iomem *pCoreBase)
 		return NULL;
 	}
 
-	controller = kzalloc(sizeof(struct musb_dma_controller), GFP_KERNEL);
+	controller = kzalloc(sizeof(*controller), GFP_KERNEL);
 	if (!controller)
 		return NULL;
 
-	controller->bChannelCount = MUSB_HSDMA_CHANNELS;
-	controller->pDmaPrivate = musb;
-	controller->pCoreBase = pCoreBase;
+	controller->channel_count = MUSB_HSDMA_CHANNELS;
+	controller->private_data = musb;
+	controller->base = base;
 
-	controller->Controller.start = dma_controller_start;
-	controller->Controller.stop = dma_controller_stop;
-	controller->Controller.channel_alloc = dma_channel_allocate;
-	controller->Controller.channel_release = dma_channel_release;
-	controller->Controller.channel_program = dma_channel_program;
-	controller->Controller.channel_abort = dma_channel_abort;
+	controller->controller.start = dma_controller_start;
+	controller->controller.stop = dma_controller_stop;
+	controller->controller.channel_alloc = dma_channel_allocate;
+	controller->controller.channel_release = dma_channel_release;
+	controller->controller.channel_program = dma_channel_program;
+	controller->controller.channel_abort = dma_channel_abort;
 
 	if (request_irq(irq, dma_controller_irq, IRQF_DISABLED,
-			musb->controller->bus_id, &controller->Controller)) {
+			musb->controller->bus_id, &controller->controller)) {
 		dev_err(dev, "request_irq %d failed!\n", irq);
-		dma_controller_destroy(&controller->Controller);
+		dma_controller_destroy(&controller->controller);
+
 		return NULL;
 	}
 
 	controller->irq = irq;
 
-	return &controller->Controller;
+	return &controller->controller;
 }
-- 
GitLab


From 28c2c51c078296151549f4f0e823e804f773861b Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@nokia.com>
Date: Thu, 11 Sep 2008 11:53:25 +0300
Subject: [PATCH 1198/2224] usb: musb: remove dead code from procfs

When removing the procfs file, I forgot to remove some
code that created and removed that file. Here's a patch
to fix it. Ideally this patch will be melded into the patch
removing the procfs file, don't know if it's possible still.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/musb/musb_core.c | 32 +++++++++++++++++++++-----------
 1 file changed, 21 insertions(+), 11 deletions(-)

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index d5af6b0d8af..4a35745b30b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2055,15 +2055,6 @@ bad_config:
 
 	}
 
-	return 0;
-
-fail:
-	if (musb->clock)
-		clk_put(musb->clock);
-	device_init_wakeup(dev, 0);
-	musb_free(musb);
-	return status;
-
 #ifdef CONFIG_SYSFS
 	status = device_create_file(dev, &dev_attr_mode);
 	status = device_create_file(dev, &dev_attr_vbus);
@@ -2072,12 +2063,31 @@ fail:
 #endif /* CONFIG_USB_GADGET_MUSB_HDRC */
 	status = 0;
 #endif
+	if (status)
+		goto fail2;
 
-	return status;
+	return 0;
 
 fail2:
+#ifdef CONFIG_SYSFS
+	device_remove_file(musb->controller, &dev_attr_mode);
+	device_remove_file(musb->controller, &dev_attr_vbus);
+#ifdef CONFIG_USB_MUSB_OTG
+	device_remove_file(musb->controller, &dev_attr_srp);
+#endif
+#endif
 	musb_platform_exit(musb);
-	goto fail;
+fail:
+	dev_err(musb->controller,
+		"musb_init_controller failed with status %d\n", status);
+
+	if (musb->clock)
+		clk_put(musb->clock);
+	device_init_wakeup(dev, 0);
+	musb_free(musb);
+
+	return status;
+
 }
 
 /*-------------------------------------------------------------------------*/
-- 
GitLab


From 9b466c3b8208f395cb3492e32b254a81c5b31780 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Thu, 4 Sep 2008 16:29:55 -0700
Subject: [PATCH 1199/2224] USB: ohci-omap: handle other omap15xx chips

Sync up USB parts of the ohci-omap support in mainline with the OMAP tree.
This patch supports another first generation OMAP1 part: not just the
OMAP 1510 (and its catalog version, the OMAP 5910), but also OMAP 310.

From: Tony Lindgren <tony@atomide.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ohci-omap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 52218562962..91697bdb399 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -231,7 +231,7 @@ static int ohci_omap_init(struct usb_hcd *hcd)
 
 	omap_ohci_clock_power(1);
 
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap15xx()) {
 		omap_1510_local_bus_power(1);
 		omap_1510_local_bus_init();
 	}
@@ -319,7 +319,7 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver,
 	if (IS_ERR(usb_host_ck))
 		return PTR_ERR(usb_host_ck);
 
-	if (!cpu_is_omap1510())
+	if (!cpu_is_omap15xx())
 		usb_dc_ck = clk_get(0, "usb_dc_ck");
 	else
 		usb_dc_ck = clk_get(0, "lb_ck");
-- 
GitLab


From f1c9e151b18ade3be5b1865d288a490bff4339e6 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Thu, 4 Sep 2008 16:25:14 -0700
Subject: [PATCH 1200/2224] USB: omap_udc: sync with OMAP tree

Sync up USB parts of the omap_udc support in mainline with the OMAP tree.
This patch addresses some OMAP2 differences ... there's another, with
respect to the double-buffering issue with PIO-IN in omap_ep_setup()
(which is now out of sync with the comments), but it's not clear right
now how to address that.

From: Tony Lindgren <tony@atomide.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/Kconfig    | 2 +-
 drivers/usb/gadget/omap_udc.c | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 1a72715bce8..dd4cd5a5137 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -190,7 +190,7 @@ config USB_LH7A40X
 config USB_GADGET_OMAP
 	boolean "OMAP USB Device Controller"
 	depends on ARCH_OMAP
-	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3
+	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_H4_OTG
 	help
 	   Many Texas Instruments OMAP processors have flexible full
 	   speed USB device controllers, with support for up to 30
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index bb54cca4c54..34e9e393f92 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -2313,6 +2313,13 @@ static int proc_otg_show(struct seq_file *s)
 
 	tmp = omap_readl(OTG_REV);
 	if (cpu_is_omap24xx()) {
+		/*
+		 * REVISIT: Not clear how this works on OMAP2.  trans
+		 * is ANDed to produce bits 7 and 8, which might make
+		 * sense for USB_TRANSCEIVER_CTRL on OMAP1,
+		 * but with CONTROL_DEVCONF, these bits have something to
+		 * do with the frame adjustment counter and McBSP2.
+		 */
 		ctrl_name = "control_devconf";
 		trans = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
 	} else {
-- 
GitLab


From 29bac7b7661bbbdbbd32bc1e6cedca22f260da7f Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Sat, 6 Sep 2008 21:33:49 -0700
Subject: [PATCH 1201/2224] usb gadget: cdc ethernet notification bugfix

Bugfix for the new CDC Ethernet code:  as part of activating the
network interface's USB link, make sure its link management code
knows whether the interface is open or not.

Without this fix, the link won't work right when it's brought up
before the link is active ... because the initial notification it
sends will have the wrong link state (down, not up).  Makes it
hard to bridge these links (on the host side), among other things.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org> [2.6.27]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/u_ether.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index dbd575a194f..66948b72bb9 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -873,6 +873,13 @@ struct net_device *gether_connect(struct gether *link)
 		spin_lock(&dev->lock);
 		dev->port_usb = link;
 		link->ioport = dev;
+		if (netif_running(dev->net)) {
+			if (link->open)
+				link->open(link);
+		} else {
+			if (link->close)
+				link->close(link);
+		}
 		spin_unlock(&dev->lock);
 
 		netif_carrier_on(dev->net);
-- 
GitLab


From cbc30118d7a376dab4113f299c0c8f035737a5c3 Mon Sep 17 00:00:00 2001
From: Stephen Ware <stephen.ware@eqware.net>
Date: Tue, 30 Sep 2008 11:39:38 -0700
Subject: [PATCH 1202/2224] usb: vstusb.c : new driver for spectrometers used
 by Vernier Software & Technology, Inc.

This patch adds the vstusb driver to the drivers/usb/misc directory.
This driver provides support for Vernier Software & Technology
spectrometers, all made by Ocean Optics. The driver provides both IOCTL
and read()/write() methods for sending raw data to spectrometers across
the bulk channel. Each method allows for a configured timeout.

From: Stephen Ware <stephen.ware@eqware.net>
Signed-off-by: Dennis O'Brien <dennis.obrien@eqware.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/ioctl-number.txt |   1 +
 drivers/usb/misc/Kconfig       |  15 +
 drivers/usb/misc/Makefile      |   1 +
 drivers/usb/misc/vstusb.c      | 768 +++++++++++++++++++++++++++++++++
 include/linux/usb/Kbuild       |   1 +
 include/linux/usb/vstusb.h     |  71 +++
 6 files changed, 857 insertions(+)
 create mode 100644 drivers/usb/misc/vstusb.c
 create mode 100644 include/linux/usb/vstusb.h

diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index f8deb85eef6..b880ce5dbd3 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -92,6 +92,7 @@ Code	Seq#	Include File		Comments
 'J'	00-1F	drivers/scsi/gdth_ioctl.h
 'K'	all	linux/kd.h
 'L'	00-1F	linux/loop.h
+'L'	20-2F	driver/usb/misc/vstusb.h
 'L'	E0-FF	linux/ppdd.h		encrypted disk device driver
 					<http://linux01.gwdg.de/~alatham/ppdd.html>
 'M'	all	linux/soundcard.h
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
index 25e1157ab17..e463db5d818 100644
--- a/drivers/usb/misc/Kconfig
+++ b/drivers/usb/misc/Kconfig
@@ -280,3 +280,18 @@ config USB_ISIGHTFW
 	  The firmware for this driver must be extracted from the MacOS
 	  driver beforehand. Tools for doing so are available at
 	  http://bersace03.free.fr
+
+config USB_VST
+	tristate "USB VST driver"
+	depends on USB
+	help
+	  This driver is intended for Vernier Software Technologies
+	  bulk usb devices such as their Ocean-Optics spectrometers or
+	  Labquest.
+	  It is a bulk channel driver with configurable read and write
+	  timeouts.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called vstusb.
+
+
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 39ce4a16b3d..1334f7bdd7b 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_USB_TEST)		+= usbtest.o
 obj-$(CONFIG_USB_TRANCEVIBRATOR)	+= trancevibrator.o
 obj-$(CONFIG_USB_USS720)	+= uss720.o
 obj-$(CONFIG_USB_SEVSEG)	+= usbsevseg.o
+obj-$(CONFIG_USB_VST)		+= vstusb.o
 
 obj-$(CONFIG_USB_SISUSBVGA)	+= sisusbvga/
 
diff --git a/drivers/usb/misc/vstusb.c b/drivers/usb/misc/vstusb.c
new file mode 100644
index 00000000000..5ad75e4a032
--- /dev/null
+++ b/drivers/usb/misc/vstusb.c
@@ -0,0 +1,768 @@
+/*****************************************************************************
+ *  File: drivers/usb/misc/vstusb.c
+ *
+ *  Purpose: Support for the bulk USB Vernier Spectrophotometers
+ *
+ *  Author:     Johnnie Peters
+ *              Axian Consulting
+ *              Beaverton, OR, USA 97005
+ *
+ *  Modified by:     EQware Engineering, Inc.
+ *                   Oregon City, OR, USA 97045
+ *
+ *  Copyright:  2007, 2008
+ *              Vernier Software & Technology
+ *              Beaverton, OR, USA 97005
+ *
+ *  Web:        www.vernier.com
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *****************************************************************************/
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+#include <linux/usb.h>
+
+#include <linux/usb/vstusb.h>
+
+#define DRIVER_VERSION "VST USB Driver Version 1.5"
+#define DRIVER_DESC "Vernier Software Technology Bulk USB Driver"
+
+#ifdef CONFIG_USB_DYNAMIC_MINORS
+	#define VSTUSB_MINOR_BASE	0
+#else
+	#define VSTUSB_MINOR_BASE	199
+#endif
+
+#define USB_VENDOR_OCEANOPTICS	0x2457
+#define USB_VENDOR_VERNIER	0x08F7	/* Vernier Software & Technology */
+
+#define USB_PRODUCT_USB2000	0x1002
+#define USB_PRODUCT_ADC1000_FW	0x1003	/* firmware download (renumerates) */
+#define USB_PRODUCT_ADC1000	0x1004
+#define USB_PRODUCT_HR2000_FW	0x1009	/* firmware download (renumerates) */
+#define USB_PRODUCT_HR2000	0x100A
+#define USB_PRODUCT_HR4000_FW	0x1011	/* firmware download (renumerates) */
+#define USB_PRODUCT_HR4000	0x1012
+#define USB_PRODUCT_USB650	0x1014	/* "Red Tide" */
+#define USB_PRODUCT_QE65000	0x1018
+#define USB_PRODUCT_USB4000	0x1022
+#define USB_PRODUCT_USB325	0x1024	/* "Vernier Spectrometer" */
+
+#define USB_PRODUCT_LABPRO	0x0001
+#define USB_PRODUCT_LABQUEST	0x0005
+
+static struct usb_device_id id_table[] = {
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB2000)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_HR4000)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB650)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB4000)},
+	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB325)},
+	{ USB_DEVICE(USB_VENDOR_VERNIER, USB_PRODUCT_LABQUEST)},
+	{ USB_DEVICE(USB_VENDOR_VERNIER, USB_PRODUCT_LABPRO)},
+	{},
+};
+
+MODULE_DEVICE_TABLE(usb, id_table);
+
+struct vstusb_device {
+	struct mutex            lock;
+	struct usb_device       *usb_dev;
+	char                    present;
+	char                    isopen;
+	struct usb_anchor       submitted;
+	int                     rd_pipe;
+	int                     rd_timeout_ms;
+	int                     wr_pipe;
+	int                     wr_timeout_ms;
+};
+
+static struct usb_driver vstusb_driver;
+
+static int vstusb_open(struct inode *inode, struct file *file)
+{
+	struct vstusb_device *vstdev;
+	struct usb_interface *interface;
+
+	interface = usb_find_interface(&vstusb_driver, iminor(inode));
+
+	if (!interface) {
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": %s - error, can't find device for minor %d\n",
+		       __func__, iminor(inode));
+		return -ENODEV;
+	}
+
+	vstdev = usb_get_intfdata(interface);
+
+	if (!vstdev)
+		return -ENODEV;
+
+	/* lock this device */
+	mutex_lock(&vstdev->lock);
+
+	/* can only open one time */
+	if ((!vstdev->present) || (vstdev->isopen)) {
+		mutex_unlock(&vstdev->lock);
+		return -EBUSY;
+	}
+
+	vstdev->isopen = 1;
+
+	/* save device in the file's private structure */
+	file->private_data = vstdev;
+
+	dev_dbg(&vstdev->usb_dev->dev, "%s: opened\n", __func__);
+
+	mutex_unlock(&vstdev->lock);
+
+	return 0;
+}
+
+static int vstusb_close(struct inode *inode, struct file *file)
+{
+	struct vstusb_device *vstdev;
+
+	vstdev = file->private_data;
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	mutex_lock(&vstdev->lock);
+
+	vstdev->isopen = 0;
+	file->private_data = NULL;
+
+	/* if device is no longer present */
+	if (!vstdev->present) {
+		mutex_unlock(&vstdev->lock);
+		kfree(vstdev);
+	} else
+		mutex_unlock(&vstdev->lock);
+
+	return 0;
+}
+
+static void usb_api_blocking_completion(struct urb *urb)
+{
+	struct completion *completeit = urb->context;
+
+	complete(completeit);
+}
+
+static int vstusb_fill_and_send_urb(struct urb *urb,
+				    struct usb_device *usb_dev,
+				    unsigned int pipe, void *data,
+				    unsigned int len, struct completion *done)
+{
+	struct usb_host_endpoint *ep;
+	struct usb_host_endpoint **hostep;
+	unsigned int pipend;
+
+	int status;
+
+	hostep = usb_pipein(pipe) ? usb_dev->ep_in : usb_dev->ep_out;
+	pipend = usb_pipeendpoint(pipe);
+	ep = hostep[pipend];
+
+	if (!ep || (len == 0))
+		return -EINVAL;
+
+	if ((ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+	    == USB_ENDPOINT_XFER_INT) {
+		pipe = (pipe & ~(3 << 30)) | (PIPE_INTERRUPT << 30);
+		usb_fill_int_urb(urb, usb_dev, pipe, data, len,
+				 (usb_complete_t)usb_api_blocking_completion,
+				 NULL, ep->desc.bInterval);
+	} else
+		usb_fill_bulk_urb(urb, usb_dev, pipe, data, len,
+				  (usb_complete_t)usb_api_blocking_completion,
+				  NULL);
+
+	init_completion(done);
+	urb->context = done;
+	urb->actual_length = 0;
+	status = usb_submit_urb(urb, GFP_KERNEL);
+
+	return status;
+}
+
+static int vstusb_complete_urb(struct urb *urb, struct completion *done,
+			       int timeout, int *actual_length)
+{
+	unsigned long expire;
+	int status;
+
+	expire = timeout ? msecs_to_jiffies(timeout) : MAX_SCHEDULE_TIMEOUT;
+	if (!wait_for_completion_interruptible_timeout(done, expire)) {
+		usb_kill_urb(urb);
+		status = urb->status == -ENOENT ? -ETIMEDOUT : urb->status;
+
+		dev_dbg(&urb->dev->dev,
+			"%s timed out on ep%d%s len=%d/%d, urb status = %d\n",
+			current->comm,
+			usb_pipeendpoint(urb->pipe),
+			usb_pipein(urb->pipe) ? "in" : "out",
+			urb->actual_length,
+			urb->transfer_buffer_length,
+			urb->status);
+
+	} else {
+		if (signal_pending(current)) {
+			/* if really an error */
+			if (urb->status && !((urb->status == -ENOENT)     ||
+					     (urb->status == -ECONNRESET) ||
+					     (urb->status == -ESHUTDOWN))) {
+				status = -EINTR;
+				usb_kill_urb(urb);
+			} else {
+				status = 0;
+			}
+
+			dev_dbg(&urb->dev->dev,
+				"%s: signal pending on ep%d%s len=%d/%d,"
+				"urb status = %d\n",
+				current->comm,
+				usb_pipeendpoint(urb->pipe),
+				usb_pipein(urb->pipe) ? "in" : "out",
+				urb->actual_length,
+				urb->transfer_buffer_length,
+				urb->status);
+
+		} else {
+			status = urb->status;
+		}
+	}
+
+	if (actual_length)
+		*actual_length = urb->actual_length;
+
+	return status;
+}
+
+static ssize_t vstusb_read(struct file *file, char __user *buffer,
+			   size_t count, loff_t *ppos)
+{
+	struct vstusb_device *vstdev;
+	int cnt = -1;
+	void *buf;
+	int retval = 0;
+
+	struct urb              *urb;
+	struct usb_device       *dev;
+	unsigned int            pipe;
+	int                     timeout;
+
+	DECLARE_COMPLETION_ONSTACK(done);
+
+	vstdev = file->private_data;
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	/* verify that we actually want to read some data */
+	if (count == 0)
+		return -EINVAL;
+
+	/* lock this object */
+	if (mutex_lock_interruptible(&vstdev->lock))
+		return -ERESTARTSYS;
+
+	/* anyone home */
+	if (!vstdev->present) {
+		mutex_unlock(&vstdev->lock);
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": %s: device not present\n", __func__);
+		return -ENODEV;
+	}
+
+	/* pull out the necessary data */
+	dev =     vstdev->usb_dev;
+	pipe =    usb_rcvbulkpipe(dev, vstdev->rd_pipe);
+	timeout = vstdev->rd_timeout_ms;
+
+	buf = kmalloc(count, GFP_KERNEL);
+	if (buf == NULL) {
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!urb) {
+		kfree(buf);
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	usb_anchor_urb(urb, &vstdev->submitted);
+	retval = vstusb_fill_and_send_urb(urb, dev, pipe, buf, count, &done);
+	mutex_unlock(&vstdev->lock);
+	if (retval) {
+		usb_unanchor_urb(urb);
+		dev_err(&dev->dev, "%s: error %d filling and sending urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	}
+
+	retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+	if (retval) {
+		dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	}
+
+	if (copy_to_user(buffer, buf, cnt)) {
+		dev_err(&dev->dev, "%s: can't copy_to_user\n", __func__);
+		retval = -EFAULT;
+	} else {
+		retval = cnt;
+		dev_dbg(&dev->dev, "%s: read %d bytes from pipe %d\n",
+			__func__, cnt, pipe);
+	}
+
+exit:
+	usb_free_urb(urb);
+	kfree(buf);
+	return retval;
+}
+
+static ssize_t vstusb_write(struct file *file, const char __user *buffer,
+			    size_t count, loff_t *ppos)
+{
+	struct vstusb_device *vstdev;
+	int cnt = -1;
+	void *buf;
+	int retval = 0;
+
+	struct urb              *urb;
+	struct usb_device       *dev;
+	unsigned int            pipe;
+	int                     timeout;
+
+	DECLARE_COMPLETION_ONSTACK(done);
+
+	vstdev = file->private_data;
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	/* verify that we actually have some data to write */
+	if (count == 0)
+		return retval;
+
+	/* lock this object */
+	if (mutex_lock_interruptible(&vstdev->lock))
+		return -ERESTARTSYS;
+
+	/* anyone home */
+	if (!vstdev->present) {
+		mutex_unlock(&vstdev->lock);
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": %s: device not present\n", __func__);
+		return -ENODEV;
+	}
+
+	/* pull out the necessary data */
+	dev =     vstdev->usb_dev;
+	pipe =    usb_sndbulkpipe(dev, vstdev->wr_pipe);
+	timeout = vstdev->wr_timeout_ms;
+
+	buf = kmalloc(count, GFP_KERNEL);
+	if (buf == NULL) {
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	urb = usb_alloc_urb(0, GFP_KERNEL);
+	if (!urb) {
+		kfree(buf);
+		mutex_unlock(&vstdev->lock);
+		return -ENOMEM;
+	}
+
+	if (copy_from_user(buf, buffer, count)) {
+		dev_err(&dev->dev, "%s: can't copy_from_user\n", __func__);
+		retval = -EFAULT;
+		goto exit;
+	}
+
+	usb_anchor_urb(urb, &vstdev->submitted);
+	retval = vstusb_fill_and_send_urb(urb, dev, pipe, buf, count, &done);
+	mutex_unlock(&vstdev->lock);
+	if (retval) {
+		usb_unanchor_urb(urb);
+		dev_err(&dev->dev, "%s: error %d filling and sending urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	}
+
+	retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+	if (retval) {
+		dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+			__func__, retval, pipe);
+		goto exit;
+	} else {
+		retval = cnt;
+		dev_dbg(&dev->dev, "%s: sent %d bytes to pipe %d\n",
+			__func__, cnt, pipe);
+	}
+
+exit:
+	usb_free_urb(urb);
+	kfree(buf);
+	return retval;
+}
+
+static long vstusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int retval = 0;
+	int cnt = -1;
+	void __user *data = (void __user *)arg;
+	struct vstusb_args usb_data;
+
+	struct vstusb_device *vstdev;
+	void *buffer = NULL; /* must be initialized. buffer is
+			      *	referenced on exit but not all
+			      * ioctls allocate it */
+
+	struct urb              *urb = NULL; /* must be initialized. urb is
+					      *	referenced on exit but not all
+					      * ioctls allocate it */
+	struct usb_device       *dev;
+	unsigned int            pipe;
+	int                     timeout;
+
+	DECLARE_COMPLETION_ONSTACK(done);
+
+	vstdev = file->private_data;
+
+	if (_IOC_TYPE(cmd) != VST_IOC_MAGIC) {
+		dev_warn(&vstdev->usb_dev->dev,
+			 "%s: ioctl command %x, bad ioctl magic %x, "
+			 "expected %x\n", __func__, cmd,
+			 _IOC_TYPE(cmd), VST_IOC_MAGIC);
+		return -EINVAL;
+	}
+
+	if (vstdev == NULL)
+		return -ENODEV;
+
+	if (copy_from_user(&usb_data, data, sizeof(struct vstusb_args))) {
+		dev_err(&vstdev->usb_dev->dev, "%s: can't copy_from_user\n",
+			__func__);
+		return -EFAULT;
+	}
+
+	/* lock this object */
+	if (mutex_lock_interruptible(&vstdev->lock)) {
+		retval = -ERESTARTSYS;
+		goto exit;
+	}
+
+	/* anyone home */
+	if (!vstdev->present) {
+		mutex_unlock(&vstdev->lock);
+		dev_err(&vstdev->usb_dev->dev, "%s: device not present\n",
+			__func__);
+		retval = -ENODEV;
+		goto exit;
+	}
+
+	/* pull out the necessary data */
+	dev = vstdev->usb_dev;
+
+	switch (cmd) {
+
+	case IOCTL_VSTUSB_CONFIG_RW:
+
+		vstdev->rd_pipe = usb_data.rd_pipe;
+		vstdev->rd_timeout_ms = usb_data.rd_timeout_ms;
+		vstdev->wr_pipe = usb_data.wr_pipe;
+		vstdev->wr_timeout_ms = usb_data.wr_timeout_ms;
+
+		mutex_unlock(&vstdev->lock);
+
+		dev_dbg(&dev->dev, "%s: setting pipes/timeouts, "
+			"rdpipe = %d, rdtimeout = %d, "
+			"wrpipe = %d, wrtimeout = %d\n", __func__,
+			vstdev->rd_pipe, vstdev->rd_timeout_ms,
+			vstdev->wr_pipe, vstdev->wr_timeout_ms);
+		break;
+
+	case IOCTL_VSTUSB_SEND_PIPE:
+
+		if (usb_data.count == 0) {
+			mutex_unlock(&vstdev->lock);
+			retval = -EINVAL;
+			goto exit;
+		}
+
+		buffer = kmalloc(usb_data.count, GFP_KERNEL);
+		if (buffer == NULL) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!urb) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		timeout = usb_data.timeout_ms;
+
+		pipe = usb_sndbulkpipe(dev, usb_data.pipe);
+
+		if (copy_from_user(buffer, usb_data.buffer, usb_data.count)) {
+			dev_err(&dev->dev, "%s: can't copy_from_user\n",
+				__func__);
+			mutex_unlock(&vstdev->lock);
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		usb_anchor_urb(urb, &vstdev->submitted);
+		retval = vstusb_fill_and_send_urb(urb, dev, pipe, buffer,
+						  usb_data.count, &done);
+		mutex_unlock(&vstdev->lock);
+		if (retval) {
+			usb_unanchor_urb(urb);
+			dev_err(&dev->dev,
+				"%s: error %d filling and sending urb %d\n",
+				__func__, retval, pipe);
+			goto exit;
+		}
+
+		retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+		if (retval) {
+			dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+				__func__, retval, pipe);
+		}
+
+		break;
+	case IOCTL_VSTUSB_RECV_PIPE:
+
+		if (usb_data.count == 0) {
+			mutex_unlock(&vstdev->lock);
+			retval = -EINVAL;
+			goto exit;
+		}
+
+		buffer = kmalloc(usb_data.count, GFP_KERNEL);
+		if (buffer == NULL) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!urb) {
+			mutex_unlock(&vstdev->lock);
+			retval = -ENOMEM;
+			goto exit;
+		}
+
+		timeout = usb_data.timeout_ms;
+
+		pipe = usb_rcvbulkpipe(dev, usb_data.pipe);
+
+		usb_anchor_urb(urb, &vstdev->submitted);
+		retval = vstusb_fill_and_send_urb(urb, dev, pipe, buffer,
+						  usb_data.count, &done);
+		mutex_unlock(&vstdev->lock);
+		if (retval) {
+			usb_unanchor_urb(urb);
+			dev_err(&dev->dev,
+				"%s: error %d filling and sending urb %d\n",
+				__func__, retval, pipe);
+			goto exit;
+		}
+
+		retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
+		if (retval) {
+			dev_err(&dev->dev, "%s: error %d completing urb %d\n",
+				__func__, retval, pipe);
+			goto exit;
+		}
+
+		if (copy_to_user(usb_data.buffer, buffer, cnt)) {
+			dev_err(&dev->dev, "%s: can't copy_to_user\n",
+				__func__);
+			retval = -EFAULT;
+			goto exit;
+		}
+
+		usb_data.count = cnt;
+		if (copy_to_user(data, &usb_data, sizeof(struct vstusb_args))) {
+			dev_err(&dev->dev, "%s: can't copy_to_user\n",
+				__func__);
+			retval = -EFAULT;
+		} else {
+			dev_dbg(&dev->dev, "%s: recv %d bytes from pipe %d\n",
+				__func__, usb_data.count, usb_data.pipe);
+		}
+
+		break;
+
+	default:
+		mutex_unlock(&vstdev->lock);
+		dev_warn(&dev->dev, "ioctl_vstusb: invalid ioctl cmd %x\n",
+			 cmd);
+		return -EINVAL;
+		break;
+	}
+exit:
+	usb_free_urb(urb);
+	kfree(buffer);
+	return retval;
+}
+
+static const struct file_operations vstusb_fops = {
+	.owner =                THIS_MODULE,
+	.read =                 vstusb_read,
+	.write =                vstusb_write,
+	.unlocked_ioctl =       vstusb_ioctl,
+	.compat_ioctl =         vstusb_ioctl,
+	.open =                 vstusb_open,
+	.release =              vstusb_close,
+};
+
+static struct usb_class_driver usb_vstusb_class = {
+	.name =         "usb/vstusb%d",
+	.fops =         &vstusb_fops,
+	.minor_base =   VSTUSB_MINOR_BASE,
+};
+
+static int vstusb_probe(struct usb_interface *intf,
+			const struct usb_device_id *id)
+{
+	struct usb_device *dev = interface_to_usbdev(intf);
+	struct vstusb_device *vstdev;
+	int i;
+	int retval = 0;
+
+	/* allocate memory for our device state and intialize it */
+
+	vstdev = kzalloc(sizeof(*vstdev), GFP_KERNEL);
+	if (vstdev == NULL)
+		return -ENOMEM;
+
+	mutex_init(&vstdev->lock);
+
+	i = dev->descriptor.bcdDevice;
+
+	dev_dbg(&intf->dev, "Version %1d%1d.%1d%1d found at address %d\n",
+		(i & 0xF000) >> 12, (i & 0xF00) >> 8,
+		(i & 0xF0) >> 4, (i & 0xF), dev->devnum);
+
+	vstdev->present = 1;
+	vstdev->isopen = 0;
+	vstdev->usb_dev = dev;
+	init_usb_anchor(&vstdev->submitted);
+
+	usb_set_intfdata(intf, vstdev);
+	retval = usb_register_dev(intf, &usb_vstusb_class);
+	if (retval) {
+		dev_err(&intf->dev,
+			"%s: Not able to get a minor for this device.\n",
+			__func__);
+		usb_set_intfdata(intf, NULL);
+		kfree(vstdev);
+		return retval;
+	}
+
+	/* let the user know what node this device is now attached to */
+	dev_info(&intf->dev,
+		 "VST USB Device #%d now attached to major %d minor %d\n",
+		 (intf->minor - VSTUSB_MINOR_BASE), USB_MAJOR, intf->minor);
+
+	dev_info(&intf->dev, "%s, %s\n", DRIVER_DESC, DRIVER_VERSION);
+
+	return retval;
+}
+
+static void vstusb_disconnect(struct usb_interface *intf)
+{
+	struct vstusb_device *vstdev = usb_get_intfdata(intf);
+
+	usb_deregister_dev(intf, &usb_vstusb_class);
+	usb_set_intfdata(intf, NULL);
+
+	if (vstdev) {
+
+		mutex_lock(&vstdev->lock);
+		vstdev->present = 0;
+
+		usb_kill_anchored_urbs(&vstdev->submitted);
+
+		/* if the device is not opened, then we clean up right now */
+		if (!vstdev->isopen) {
+			mutex_unlock(&vstdev->lock);
+			kfree(vstdev);
+		} else
+			mutex_unlock(&vstdev->lock);
+
+	}
+}
+
+static int vstusb_suspend(struct usb_interface *intf, pm_message_t message)
+{
+	struct vstusb_device *vstdev = usb_get_intfdata(intf);
+	int time;
+	if (!vstdev)
+		return 0;
+
+	mutex_lock(&vstdev->lock);
+	time = usb_wait_anchor_empty_timeout(&vstdev->submitted, 1000);
+	if (!time)
+		usb_kill_anchored_urbs(&vstdev->submitted);
+	mutex_unlock(&vstdev->lock);
+
+	return 0;
+}
+
+static int vstusb_resume(struct usb_interface *intf)
+{
+	return 0;
+}
+
+static struct usb_driver vstusb_driver = {
+	.name =         "vstusb",
+	.probe =        vstusb_probe,
+	.disconnect =   vstusb_disconnect,
+	.suspend =      vstusb_suspend,
+	.resume =       vstusb_resume,
+	.id_table = id_table,
+};
+
+static int __init vstusb_init(void)
+{
+	int rc;
+
+	rc = usb_register(&vstusb_driver);
+	if (rc)
+		printk(KERN_ERR "%s: failed to register (%d)", __func__, rc);
+
+	return rc;
+}
+
+static void __exit vstusb_exit(void)
+{
+	usb_deregister(&vstusb_driver);
+}
+
+module_init(vstusb_init);
+module_exit(vstusb_exit);
+
+MODULE_AUTHOR("Dennis O'Brien/Stephen Ware");
+MODULE_DESCRIPTION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild
index 29fd73b0bff..54c446309a2 100644
--- a/include/linux/usb/Kbuild
+++ b/include/linux/usb/Kbuild
@@ -5,3 +5,4 @@ header-y += gadgetfs.h
 header-y += midi.h
 header-y += g_printer.h
 header-y += tmc.h
+header-y += vstusb.h
diff --git a/include/linux/usb/vstusb.h b/include/linux/usb/vstusb.h
new file mode 100644
index 00000000000..1cfac67191f
--- /dev/null
+++ b/include/linux/usb/vstusb.h
@@ -0,0 +1,71 @@
+/*****************************************************************************
+ *  File: drivers/usb/misc/vstusb.h
+ *
+ *  Purpose: Support for the bulk USB Vernier Spectrophotometers
+ *
+ *  Author:     EQware Engineering, Inc.
+ *              Oregon City, OR, USA 97045
+ *
+ *  Copyright:  2007, 2008
+ *              Vernier Software & Technology
+ *              Beaverton, OR, USA 97005
+ *
+ *  Web:        www.vernier.com
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *****************************************************************************/
+/*****************************************************************************
+ *
+ *  The vstusb module is a standard usb 'client' driver running on top of the
+ *  standard usb host controller stack.
+ *
+ *  In general, vstusb supports standard bulk usb pipes.  It supports multiple
+ *  devices and multiple pipes per device.
+ *
+ *  The vstusb driver supports two interfaces:
+ *  1 - ioctl SEND_PIPE/RECV_PIPE - a general bulk write/read msg
+ *  	interface to any pipe with timeout support;
+ *  2 - standard read/write with ioctl config - offers standard read/write
+ *  	interface with ioctl configured pipes and timeouts.
+ *
+ *  Both interfaces can be signal from other process and will abort its i/o
+ *  operation.
+ *
+ *  A timeout of 0 means NO timeout.  The user can still terminate the read via
+ *  signal.
+ *
+ *  If using multiple threads with this driver, the user should ensure that
+ *  any reads, writes, or ioctls are complete before closing the device.
+ *  Changing read/write timeouts or pipes takes effect on next read/write.
+ *
+ *****************************************************************************/
+
+struct vstusb_args {
+	union {
+		/* this struct is used for IOCTL_VSTUSB_SEND_PIPE,	*
+		 * IOCTL_VSTUSB_RECV_PIPE, and read()/write() fops	*/
+		struct {
+			void __user	*buffer;
+			size_t          count;
+			unsigned int    timeout_ms;
+			int             pipe;
+		};
+
+		/* this one is used for IOCTL_VSTUSB_CONFIG_RW  	*/
+		struct {
+			int rd_pipe;
+			int rd_timeout_ms;
+			int wr_pipe;
+			int wr_timeout_ms;
+		};
+	};
+};
+
+#define VST_IOC_MAGIC 'L'
+#define VST_IOC_FIRST 0x20
+#define IOCTL_VSTUSB_SEND_PIPE	_IO(VST_IOC_MAGIC, VST_IOC_FIRST)
+#define IOCTL_VSTUSB_RECV_PIPE	_IO(VST_IOC_MAGIC, VST_IOC_FIRST + 1)
+#define IOCTL_VSTUSB_CONFIG_RW	_IO(VST_IOC_MAGIC, VST_IOC_FIRST + 2)
-- 
GitLab


From 925dff5dee04fb46d2e67c088c54b331f97672ee Mon Sep 17 00:00:00 2001
From: Huang Weiyi <hwy@cn.fujitsu.com>
Date: Thu, 25 Sep 2008 13:11:28 +0800
Subject: [PATCH 1203/2224] USB: ti_usb_3410_5052: removed duplicated include

Removed duplicated #include <linux/firmware.h> in
drivers/usb/serial/ti_usb_3410_5052.c.

Signed-off-by: Huang Weiyi <hwy@cn.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/ti_usb_3410_5052.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index c90237d48b0..a9523b8348d 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -85,7 +85,6 @@
 #include <linux/uaccess.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
-#include <linux/firmware.h>
 
 #include "ti_usb_3410_5052.h"
 
-- 
GitLab


From e58dcebcd83b5902411e747ee7807219dee6bcf2 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 25 Sep 2008 16:59:57 -0400
Subject: [PATCH 1204/2224] USB: UHCI: improve scheduling of interrupt URBs

This patch (as1140) adds a little intelligence to the interrupt-URB
scheduler in uhci-hcd.  Right now the scheduler is stupid; every URB
having the same period is assigned to the same slot.  Thus a large
group of period-N URBs can fill their slot and cause -ENOSPC errors
even when all the lower-period slots are empty.

With the patch, if an URB doesn't fit in its assigned slot then the
scheduler will try using lower-period slots.  This will provide
greater flexibility.  As an example, the driver will be able to handle
more than just three or four mice, which the current driver cannot.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/uhci-q.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 1f0c2cf26e5..5631d89c873 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1065,13 +1065,18 @@ static int uhci_submit_interrupt(struct uhci_hcd *uhci, struct urb *urb,
 		}
 		if (exponent < 0)
 			return -EINVAL;
-		qh->period = 1 << exponent;
-		qh->skel = SKEL_INDEX(exponent);
 
-		/* For now, interrupt phase is fixed by the layout
-		 * of the QH lists. */
-		qh->phase = (qh->period / 2) & (MAX_PHASE - 1);
-		ret = uhci_check_bandwidth(uhci, qh);
+		/* If the slot is full, try a lower period */
+		do {
+			qh->period = 1 << exponent;
+			qh->skel = SKEL_INDEX(exponent);
+
+			/* For now, interrupt phase is fixed by the layout
+			 * of the QH lists.
+			 */
+			qh->phase = (qh->period / 2) & (MAX_PHASE - 1);
+			ret = uhci_check_bandwidth(uhci, qh);
+		} while (ret != 0 && --exponent >= 0);
 		if (ret)
 			return ret;
 	} else if (qh->period > urb->interval)
-- 
GitLab


From f0d781d59cb621e1795d510039df973d0f8b23fc Mon Sep 17 00:00:00 2001
From: Yi Yang <yi.y.yang@intel.com>
Date: Thu, 25 Sep 2008 17:25:44 +0800
Subject: [PATCH 1205/2224] USB: improve ehci_watchdog's side effect in CPU
 power management

ehci_watchdog will wake up CPU very frequently so that CPU
stays at C3 very short, average residence time is about 50
ms on Aspire One, but we expect it should be about 1 second
or more, so this kind of periodic timer is very bad for power
saving.

We can't remove this timer because of some bad USB controller
chipset, but at least we should reduce its side effect to as
possible as low.

This patch can make CPU stay at C3 longer, average residence time
is about twice as long as original.

Please consider to apply it, thanks

Signed-off-by: Yi Yang <yi.y.yang@intel.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci.h | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index fb1770d6e20..a6fd550b690 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -181,14 +181,16 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
 	 * the async ring; just the I/O watchdog.  Note that if a
 	 * SHRINK were pending, OFF would never be requested.
 	 */
-	if (timer_pending(&ehci->watchdog)
-			&& ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF))
-				& ehci->actions))
-		return;
+	enum ehci_timer_action oldactions = ehci->actions;
 
 	if (!test_and_set_bit (action, &ehci->actions)) {
 		unsigned long t;
 
+		if (timer_pending(&ehci->watchdog)
+			&& ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF))
+				& oldactions))
+			return;
+
 		switch (action) {
 		case TIMER_IO_WATCHDOG:
 			t = EHCI_IO_JIFFIES;
@@ -204,7 +206,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
 			t = DIV_ROUND_UP(EHCI_SHRINK_FRAMES * HZ, 1000) + 1;
 			break;
 		}
-		mod_timer(&ehci->watchdog, t + jiffies);
+		mod_timer(&ehci->watchdog, round_jiffies(t + jiffies));
 	}
 }
 
-- 
GitLab


From ce5dee50edc8b1ac8028c17040d40a78c4b33232 Mon Sep 17 00:00:00 2001
From: Julien Brunel <brunel@diku.dk>
Date: Wed, 24 Sep 2008 18:00:36 +0200
Subject: [PATCH 1206/2224] USB: isp1760: Use an IS_ERR test rather than a NULL
 test

In case of error, the function isp1760_register returns an ERR
pointer, but never returns a NULL pointer. So after a call to this
function, a NULL test should be replaced by an IS_ERR test. Moreover,
we have noticed that:
(1) the result of isp1760_register is assigned through the function
pci_set_drvdata without an error test,
(2) if the call to isp1760_register fails, the current function
(isp1761_pci_probe) returns 0, and if it succeeds, it returns -ENOMEM,
which seems odd.

Thus, we suggest to move the test before the call to pci_set_drvdata
to correct (1), and to turn it into a non IS_ERR test to correct (2).

The semantic match that finds this problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@bad_null_test@
expression x,E;
statement S1, S2;
@@
x =  isp1760_register(...)
... when != x = E
* if (x == NULL)
S1 else S2
// </smpl>

Signed-off-by: Julien Brunel <brunel@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/isp1760-if.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 051ef7b6bdc..ad44bd60df9 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -232,9 +232,10 @@ static int __devinit isp1761_pci_probe(struct pci_dev *dev,
 	hcd = isp1760_register(pci_mem_phy0, length, dev->irq,
 		IRQF_SHARED | IRQF_DISABLED, &dev->dev, dev_name(&dev->dev),
 		devflags);
-	pci_set_drvdata(dev, hcd);
-	if (!hcd)
+	if (!IS_ERR(hcd)) {
+		pci_set_drvdata(dev, hcd);
 		return 0;
+	}
 clean:
 	status = -ENODEV;
 	iounmap(iobase);
-- 
GitLab


From c0f082c5367a02e8493d779e16ad336167e14718 Mon Sep 17 00:00:00 2001
From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Mon, 29 Sep 2008 10:58:35 -0700
Subject: [PATCH 1207/2224] USB: ftdi-elan: Always pass usb_bulk_msg() a
 timeout in milliseconds.

The kernel doc for usb_bulk_msg() says the timeout for a bulk message should be
specified in milliseconds.  The ftdi-elan driver converts milliseconds to
jiffies before passing the timeout to usb_bulk_msg().  This is mostly harmless,
since it will just lead to very long timeouts, but was obviously not the intent
of the original author.

Signed-off-by: Sarah Sharp <sarah.a.sharp@intel.com>
Acked-by: Tony Olech <tony.olech@elandigitalsystems.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/misc/ftdi-elan.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 97c28097153..79a7668ef26 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -698,7 +698,7 @@ static ssize_t ftdi_elan_read(struct file *file, char __user *buffer,
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(50));
+                        &packet_bytes, 50);
                 if (packet_bytes > 2) {
                         ftdi->bulk_in_left = packet_bytes - 2;
                         ftdi->bulk_in_last = 1;
@@ -960,7 +960,7 @@ static int ftdi_elan_respond_engine(struct usb_ftdi *ftdi)
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(500));
+                        &packet_bytes, 500);
                 char diag[30 *3 + 4];
                 char *d = diag;
                 int m = packet_bytes;
@@ -1880,7 +1880,7 @@ static int ftdi_elan_flush_input_fifo(struct usb_ftdi *ftdi)
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(100));
+                        &packet_bytes, 100);
                 if (packet_bytes > 2) {
                         char diag[30 *3 + 4];
                         char *d = diag;
@@ -2067,7 +2067,7 @@ static int ftdi_elan_synchronize(struct usb_ftdi *ftdi)
                                 usb_rcvbulkpipe(ftdi->udev,
                                 ftdi->bulk_in_endpointAddr),
                                 ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                                &packet_bytes, msecs_to_jiffies(500));
+                                &packet_bytes, 500);
                         if (packet_bytes > 2) {
                                 char diag[30 *3 + 4];
                                 char *d = diag;
@@ -2176,7 +2176,7 @@ static int ftdi_elan_stuck_waiting(struct usb_ftdi *ftdi)
                 int retval = usb_bulk_msg(ftdi->udev,
                         usb_rcvbulkpipe(ftdi->udev, ftdi->bulk_in_endpointAddr),
                          ftdi->bulk_in_buffer, ftdi->bulk_in_size,
-                        &packet_bytes, msecs_to_jiffies(1000));
+                        &packet_bytes, 1000);
                 if (packet_bytes > 2) {
                         char diag[30 *3 + 4];
                         char *d = diag;
-- 
GitLab


From 1987625226a918cd20c334ffce5e2a224cba0718 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Mon, 25 Aug 2008 22:40:25 +0200
Subject: [PATCH 1208/2224] USB: anchor API changes needed for btusb

This extends the anchor API as btusb needs for autosuspend.


Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/urb.c | 70 ++++++++++++++++++++++++++++++++++++++++++
 include/linux/usb.h    |  3 ++
 2 files changed, 73 insertions(+)

diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index eebc070c3cc..175d528f402 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -716,3 +716,73 @@ int usb_wait_anchor_empty_timeout(struct usb_anchor *anchor,
 				  msecs_to_jiffies(timeout));
 }
 EXPORT_SYMBOL_GPL(usb_wait_anchor_empty_timeout);
+
+/**
+ * usb_get_from_anchor - get an anchor's oldest urb
+ * @anchor: the anchor whose urb you want
+ *
+ * this will take the oldest urb from an anchor,
+ * unanchor and return it
+ */
+struct urb *usb_get_from_anchor(struct usb_anchor *anchor)
+{
+	struct urb *victim;
+	unsigned long flags;
+
+	spin_lock_irqsave(&anchor->lock, flags);
+	if (!list_empty(&anchor->urb_list)) {
+		victim = list_entry(anchor->urb_list.next, struct urb,
+				    anchor_list);
+		usb_get_urb(victim);
+		spin_unlock_irqrestore(&anchor->lock, flags);
+		usb_unanchor_urb(victim);
+	} else {
+		spin_unlock_irqrestore(&anchor->lock, flags);
+		victim = NULL;
+	}
+
+	return victim;
+}
+
+EXPORT_SYMBOL_GPL(usb_get_from_anchor);
+
+/**
+ * usb_scuttle_anchored_urbs - unanchor all an anchor's urbs
+ * @anchor: the anchor whose urbs you want to unanchor
+ *
+ * use this to get rid of all an anchor's urbs
+ */
+void usb_scuttle_anchored_urbs(struct usb_anchor *anchor)
+{
+	struct urb *victim;
+	unsigned long flags;
+
+	spin_lock_irqsave(&anchor->lock, flags);
+	while (!list_empty(&anchor->urb_list)) {
+		victim = list_entry(anchor->urb_list.prev, struct urb,
+				    anchor_list);
+		usb_get_urb(victim);
+		spin_unlock_irqrestore(&anchor->lock, flags);
+		/* this may free the URB */
+		usb_unanchor_urb(victim);
+		usb_put_urb(victim);
+		spin_lock_irqsave(&anchor->lock, flags);
+	}
+	spin_unlock_irqrestore(&anchor->lock, flags);
+}
+
+EXPORT_SYMBOL_GPL(usb_scuttle_anchored_urbs);
+
+/**
+ * usb_anchor_empty - is an anchor empty
+ * @anchor: the anchor you want to query
+ *
+ * returns 1 if the anchor has no urbs associated with it
+ */
+int usb_anchor_empty(struct usb_anchor *anchor)
+{
+	return list_empty(&anchor->urb_list);
+}
+
+EXPORT_SYMBOL_GPL(usb_anchor_empty);
+
diff --git a/include/linux/usb.h b/include/linux/usb.h
index d97927970f5..8fa973bede5 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1469,6 +1469,9 @@ extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor);
 extern void usb_unanchor_urb(struct urb *urb);
 extern int usb_wait_anchor_empty_timeout(struct usb_anchor *anchor,
 					 unsigned int timeout);
+extern struct urb *usb_get_from_anchor(struct usb_anchor *anchor);
+extern void usb_scuttle_anchored_urbs(struct usb_anchor *anchor);
+extern int usb_anchor_empty(struct usb_anchor *anchor);
 
 /**
  * usb_urb_dir_in - check if an URB describes an IN transfer
-- 
GitLab


From 2b70f07343389cb474235def00b021a645ede916 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 2 Oct 2008 11:47:15 -0400
Subject: [PATCH 1209/2224] USB: EHCI, OHCI, UHCI: remove version numbers

This patch (as1145) removes the essentially useless driver-version
strings from ehci-hcd, ohci-hcd, and uhci-hcd.  It also unifies the
form of the banner lines they display upon loading and adds a missing
test for usb_disabled() to ehci-hcd.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-dbg.c     |  4 ++--
 drivers/usb/host/ehci-hcd.c     | 13 +++++++------
 drivers/usb/host/ohci-dbg.c     |  2 +-
 drivers/usb/host/ohci-hcd.c     |  7 ++-----
 drivers/usb/host/ohci-pnx4008.c |  2 +-
 drivers/usb/host/uhci-hcd.c     |  7 +++----
 6 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 5d57773e730..0cb53ca8d34 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -675,7 +675,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 
 	if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
 		size = scnprintf (next, size,
-			"bus %s, device %s (driver " DRIVER_VERSION ")\n"
+			"bus %s, device %s\n"
 			"%s\n"
 			"SUSPENDED (no register access)\n",
 			hcd->self.controller->bus->name,
@@ -687,7 +687,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 	/* Capability Registers */
 	i = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase));
 	temp = scnprintf (next, size,
-		"bus %s, device %s (driver " DRIVER_VERSION ")\n"
+		"bus %s, device %s\n"
 		"%s\n"
 		"EHCI %x.%02x, hcd state %d\n",
 		hcd->self.controller->bus->name,
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index c6f9961eed3..fcbc1f2b237 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -60,7 +60,6 @@
  * providing early devices for those host controllers to talk to!
  */
 
-#define DRIVER_VERSION "10 Dec 2004"
 #define DRIVER_AUTHOR "David Brownell"
 #define DRIVER_DESC "USB 2.0 'Enhanced' Host Controller (EHCI) Driver"
 
@@ -621,9 +620,9 @@ static int ehci_run (struct usb_hcd *hcd)
 
 	temp = HC_VERSION(ehci_readl(ehci, &ehci->caps->hc_capbase));
 	ehci_info (ehci,
-		"USB %x.%x started, EHCI %x.%02x, driver %s%s\n",
+		"USB %x.%x started, EHCI %x.%02x%s\n",
 		((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f),
-		temp >> 8, temp & 0xff, DRIVER_VERSION,
+		temp >> 8, temp & 0xff,
 		ignore_oc ? ", overcurrent ignored" : "");
 
 	ehci_writel(ehci, INTR_MASK,
@@ -995,9 +994,7 @@ static int ehci_get_frame (struct usb_hcd *hcd)
 
 /*-------------------------------------------------------------------------*/
 
-#define DRIVER_INFO DRIVER_VERSION " " DRIVER_DESC
-
-MODULE_DESCRIPTION (DRIVER_INFO);
+MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_AUTHOR (DRIVER_AUTHOR);
 MODULE_LICENSE ("GPL");
 
@@ -1045,6 +1042,10 @@ static int __init ehci_hcd_init(void)
 {
 	int retval = 0;
 
+	if (usb_disabled())
+		return -ENODEV;
+
+	printk(KERN_INFO "%s: " DRIVER_DESC "\n", hcd_name);
 	pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n",
 		 hcd_name,
 		 sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c
index 7cef1d2f7cc..d3269656aa4 100644
--- a/drivers/usb/host/ohci-dbg.c
+++ b/drivers/usb/host/ohci-dbg.c
@@ -649,7 +649,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 	ohci_dbg_sw (ohci, &next, &size,
 		"bus %s, device %s\n"
 		"%s\n"
-		"%s version " DRIVER_VERSION "\n",
+		"%s\n",
 		hcd->self.controller->bus->name,
 		dev_name(hcd->self.controller),
 		hcd->product_desc,
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 89901962cbf..0afeda836df 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -46,7 +46,6 @@
 
 #include "../core/hcd.h"
 
-#define DRIVER_VERSION "2006 August 04"
 #define DRIVER_AUTHOR "Roman Weissgaerber, David Brownell"
 #define DRIVER_DESC "USB 1.1 'Open' Host Controller (OHCI) Driver"
 
@@ -984,10 +983,8 @@ static int ohci_restart (struct ohci_hcd *ohci)
 
 /*-------------------------------------------------------------------------*/
 
-#define DRIVER_INFO DRIVER_VERSION " " DRIVER_DESC
-
 MODULE_AUTHOR (DRIVER_AUTHOR);
-MODULE_DESCRIPTION (DRIVER_INFO);
+MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE ("GPL");
 
 #ifdef CONFIG_PCI
@@ -1095,7 +1092,7 @@ static int __init ohci_hcd_mod_init(void)
 	if (usb_disabled())
 		return -ENODEV;
 
-	printk (KERN_DEBUG "%s: " DRIVER_INFO "\n", hcd_name);
+	printk(KERN_INFO "%s: " DRIVER_DESC "\n", hcd_name);
 	pr_debug ("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
 		sizeof (struct ed), sizeof (struct td));
 
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index 658a2a978c3..e306ca6aef3 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -331,7 +331,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
 
 	int ret = 0, irq;
 
-	dev_dbg(&pdev->dev, "%s: " DRIVER_INFO " (pnx4008)\n", hcd_name);
+	dev_dbg(&pdev->dev, "%s: " DRIVER_DESC " (pnx4008)\n", hcd_name);
 	if (usb_disabled()) {
 		err("USB is disabled");
 		ret = -ENODEV;
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 3a7bfe7a887..2dddb258b0d 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -53,7 +53,6 @@
 /*
  * Version Information
  */
-#define DRIVER_VERSION "v3.0"
 #define DRIVER_AUTHOR "Linus 'Frodo Rabbit' Torvalds, Johannes Erdfelt, \
 Randy Dunlap, Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber, \
 Alan Stern"
@@ -951,12 +950,12 @@ static int __init uhci_hcd_init(void)
 {
 	int retval = -ENOMEM;
 
-	printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION "%s\n",
-			ignore_oc ? ", overcurrent ignored" : "");
-
 	if (usb_disabled())
 		return -ENODEV;
 
+	printk(KERN_INFO "uhci_hcd: " DRIVER_DESC "%s\n",
+			ignore_oc ? ", overcurrent ignored" : "");
+
 	if (DEBUG_CONFIGURED) {
 		errbuf = kmalloc(ERRBUF_LEN, GFP_KERNEL);
 		if (!errbuf)
-- 
GitLab


From 9beeee6584b9aa4f9192055512411484a2a624df Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 2 Oct 2008 11:48:13 -0400
Subject: [PATCH 1210/2224] USB: EHCI: log a warning if ehci-hcd is not loaded
 first

This patch (as1139) adds a warning to the system log whenever ehci-hcd
is loaded after ohci-hcd or uhci-hcd.  Nowadays most distributions are
pretty good about not doing this; maybe the warning will help convince
anyone still doing it wrong.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>  [2.6.27]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/hcd.c      |  4 ++++
 drivers/usb/core/hcd.h      |  6 ++++++
 drivers/usb/host/ehci-hcd.c | 15 +++++++++++++--
 drivers/usb/host/ohci-hcd.c |  3 +++
 drivers/usb/host/uhci-hcd.c |  3 +++
 5 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index c8035a8216b..fc9018e72a0 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -81,6 +81,10 @@
 
 /*-------------------------------------------------------------------------*/
 
+/* Keep track of which host controller drivers are loaded */
+unsigned long usb_hcds_loaded;
+EXPORT_SYMBOL_GPL(usb_hcds_loaded);
+
 /* host controllers we manage */
 LIST_HEAD (usb_bus_list);
 EXPORT_SYMBOL_GPL (usb_bus_list);
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index e710ce04e22..2dcde61c465 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -482,4 +482,10 @@ static inline void usbmon_urb_complete(struct usb_bus *bus, struct urb *urb,
  */
 extern struct rw_semaphore ehci_cf_port_reset_rwsem;
 
+/* Keep track of which host controller drivers are loaded */
+#define USB_UHCI_LOADED		0
+#define USB_OHCI_LOADED		1
+#define USB_EHCI_LOADED		2
+extern unsigned long usb_hcds_loaded;
+
 #endif /* __KERNEL__ */
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index fcbc1f2b237..358df2a6c39 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1046,6 +1046,12 @@ static int __init ehci_hcd_init(void)
 		return -ENODEV;
 
 	printk(KERN_INFO "%s: " DRIVER_DESC "\n", hcd_name);
+	set_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
+	if (test_bit(USB_UHCI_LOADED, &usb_hcds_loaded) ||
+			test_bit(USB_OHCI_LOADED, &usb_hcds_loaded))
+		printk(KERN_WARNING "Warning! ehci_hcd should always be loaded"
+				" before uhci_hcd and ohci_hcd, not after\n");
+
 	pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n",
 		 hcd_name,
 		 sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
@@ -1053,8 +1059,10 @@ static int __init ehci_hcd_init(void)
 
 #ifdef DEBUG
 	ehci_debug_root = debugfs_create_dir("ehci", NULL);
-	if (!ehci_debug_root)
-		return -ENOENT;
+	if (!ehci_debug_root) {
+		retval = -ENOENT;
+		goto err_debug;
+	}
 #endif
 
 #ifdef PLATFORM_DRIVER
@@ -1102,6 +1110,8 @@ clean0:
 	debugfs_remove(ehci_debug_root);
 	ehci_debug_root = NULL;
 #endif
+err_debug:
+	clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
 	return retval;
 }
 module_init(ehci_hcd_init);
@@ -1123,6 +1133,7 @@ static void __exit ehci_hcd_cleanup(void)
 #ifdef DEBUG
 	debugfs_remove(ehci_debug_root);
 #endif
+	clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
 }
 module_exit(ehci_hcd_cleanup);
 
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 0afeda836df..8647dab0d7f 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1095,6 +1095,7 @@ static int __init ohci_hcd_mod_init(void)
 	printk(KERN_INFO "%s: " DRIVER_DESC "\n", hcd_name);
 	pr_debug ("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
 		sizeof (struct ed), sizeof (struct td));
+	set_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 
 #ifdef DEBUG
 	ohci_debug_root = debugfs_create_dir("ohci", NULL);
@@ -1181,6 +1182,7 @@ static int __init ohci_hcd_mod_init(void)
  error_debug:
 #endif
 
+	clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 	return retval;
 }
 module_init(ohci_hcd_mod_init);
@@ -1211,6 +1213,7 @@ static void __exit ohci_hcd_mod_exit(void)
 #ifdef DEBUG
 	debugfs_remove(ohci_debug_root);
 #endif
+	clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 }
 module_exit(ohci_hcd_mod_exit);
 
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 2dddb258b0d..cf5e4cf7ea4 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -955,6 +955,7 @@ static int __init uhci_hcd_init(void)
 
 	printk(KERN_INFO "uhci_hcd: " DRIVER_DESC "%s\n",
 			ignore_oc ? ", overcurrent ignored" : "");
+	set_bit(USB_UHCI_LOADED, &usb_hcds_loaded);
 
 	if (DEBUG_CONFIGURED) {
 		errbuf = kmalloc(ERRBUF_LEN, GFP_KERNEL);
@@ -987,6 +988,7 @@ debug_failed:
 
 errbuf_failed:
 
+	clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded);
 	return retval;
 }
 
@@ -996,6 +998,7 @@ static void __exit uhci_hcd_cleanup(void)
 	kmem_cache_destroy(uhci_up_cachep);
 	debugfs_remove(uhci_debugfs_root);
 	kfree(errbuf);
+	clear_bit(USB_UHCI_LOADED, &usb_hcds_loaded);
 }
 
 module_init(uhci_hcd_init);
-- 
GitLab


From bb78a825fa91621e52b9a5409fd9ef07895275bf Mon Sep 17 00:00:00 2001
From: Jon K Hellan <hellan@acm.org>
Date: Fri, 3 Oct 2008 10:36:16 +0200
Subject: [PATCH 1211/2224] USB: Option / AnyData new modem, same ID

The AnyData ADU-310 series of wireless modems uses the same product ID as the ADU-E100 series.

Signed-off-by: Jon K Hellan <hellan@acm.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index fa8ec3af5f3..45b8fc392c5 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -301,7 +301,7 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8137) },	/* Dell Wireless HSDPA 5520 */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8138) },	/* Dell Wireless 5520 Voda I Mobile Broadband (3G HSDPA) Minicard */
 	{ USB_DEVICE(DELL_VENDOR_ID, 0x8147) },	/* Dell Wireless 5530 Mobile Broadband (3G HSPA) Mini-Card */
-	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },
+	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
 	{ USB_DEVICE(AXESSTEL_VENDOR_ID, AXESSTEL_PRODUCT_MV110H) },
-- 
GitLab


From 2da41d5f6c036e7a6e496a7e601a685f8b87acb0 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Mon, 6 Oct 2008 11:24:26 -0400
Subject: [PATCH 1212/2224] USB: snoop processes opening usbfs device files

This patch (as1148) adds a new "snoop" message to usbfs when a device
file is opened, identifying the process responsible.  This comes in
extremely handy when trying to determine which program is doing some
unwanted USB access.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/devio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 7a4fa791dc1..528befdcc78 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -624,6 +624,8 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	smp_wmb();
 	list_add_tail(&ps->list, &dev->filelist);
 	file->private_data = ps;
+	snoop(&dev->dev, "opened by process %d: %s\n", task_pid_nr(current),
+			current->comm);
  out:
 	if (ret) {
 		kfree(ps);
-- 
GitLab


From eafe5b99f2135488b21cf17a262c54997c44f784 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Mon, 6 Oct 2008 11:25:53 -0400
Subject: [PATCH 1213/2224] USB: EHCI: fix remote-wakeup support for ARC/TDI
 core

This patch (as1147) fixes the remote-wakeup support for EHCI
controllers using the ARC/TDI "embedded-TT" core.  These controllers
turn off the RESUME bit by themselves when a port resume is complete;
hence we need to keep separate track of which ports are suspended or
in the process of resuming.

The patch also makes a couple of small improvements in ehci_irq(),
replacing reads of the command register with the value already stored
in a local variable.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Thomas Reitmayr <treitmayr@devbase.at>
CC: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ehci-hcd.c | 14 ++++++++------
 drivers/usb/host/ehci-hub.c | 27 +++++++++++++++++++--------
 drivers/usb/host/ehci.h     |  2 ++
 3 files changed, 29 insertions(+), 14 deletions(-)

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 358df2a6c39..d343afacb0b 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -706,7 +706,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 		pcd_status = status;
 
 		/* resume root hub? */
-		if (!(ehci_readl(ehci, &ehci->regs->command) & CMD_RUN))
+		if (!(cmd & CMD_RUN))
 			usb_hcd_resume_root_hub(hcd);
 
 		while (i--) {
@@ -715,8 +715,11 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 
 			if (pstatus & PORT_OWNER)
 				continue;
-			if (!(pstatus & PORT_RESUME)
-					|| ehci->reset_done [i] != 0)
+			if (!(test_bit(i, &ehci->suspended_ports) &&
+					((pstatus & PORT_RESUME) ||
+						!(pstatus & PORT_SUSPEND)) &&
+					(pstatus & PORT_PE) &&
+					ehci->reset_done[i] == 0))
 				continue;
 
 			/* start 20 msec resume signaling from this port,
@@ -731,9 +734,8 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
 
 	/* PCI errors [4.15.2.4] */
 	if (unlikely ((status & STS_FATAL) != 0)) {
-		dbg_cmd (ehci, "fatal", ehci_readl(ehci,
-						   &ehci->regs->command));
-		dbg_status (ehci, "fatal", status);
+		dbg_cmd(ehci, "fatal", cmd);
+		dbg_status(ehci, "fatal", status);
 		if (status & STS_HALT) {
 			ehci_err (ehci, "fatal error\n");
 dead:
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 740835bb857..218f9660d7e 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -236,10 +236,8 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
 		temp = ehci_readl(ehci, &ehci->regs->port_status [i]);
 		temp &= ~(PORT_RWC_BITS | PORT_WAKE_BITS);
 		if (test_bit(i, &ehci->bus_suspended) &&
-				(temp & PORT_SUSPEND)) {
-			ehci->reset_done [i] = jiffies + msecs_to_jiffies (20);
+				(temp & PORT_SUSPEND))
 			temp |= PORT_RESUME;
-		}
 		ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
 	}
 	i = HCS_N_PORTS (ehci->hcs_params);
@@ -482,10 +480,9 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf)
 		 * controller by the user.
 		 */
 
-		if ((temp & mask) != 0
-				|| ((temp & PORT_RESUME) != 0
-					&& time_after_eq(jiffies,
-						ehci->reset_done[i]))) {
+		if ((temp & mask) != 0 || test_bit(i, &ehci->port_c_suspend)
+				|| (ehci->reset_done[i] && time_after_eq(
+					jiffies, ehci->reset_done[i]))) {
 			if (i < 7)
 			    buf [0] |= 1 << (i + 1);
 			else
@@ -688,6 +685,7 @@ static int ehci_hub_control (
 			/* resume completed? */
 			else if (time_after_eq(jiffies,
 					ehci->reset_done[wIndex])) {
+				clear_bit(wIndex, &ehci->suspended_ports);
 				set_bit(wIndex, &ehci->port_c_suspend);
 				ehci->reset_done[wIndex] = 0;
 
@@ -734,6 +732,9 @@ static int ehci_hub_control (
 					ehci_readl(ehci, status_reg));
 		}
 
+		if (!(temp & (PORT_RESUME|PORT_RESET)))
+			ehci->reset_done[wIndex] = 0;
+
 		/* transfer dedicated ports to the companion hc */
 		if ((temp & PORT_CONNECT) &&
 				test_bit(wIndex, &ehci->companion_ports)) {
@@ -757,8 +758,17 @@ static int ehci_hub_control (
 		}
 		if (temp & PORT_PE)
 			status |= 1 << USB_PORT_FEAT_ENABLE;
-		if (temp & (PORT_SUSPEND|PORT_RESUME))
+
+		/* maybe the port was unsuspended without our knowledge */
+		if (temp & (PORT_SUSPEND|PORT_RESUME)) {
 			status |= 1 << USB_PORT_FEAT_SUSPEND;
+		} else if (test_bit(wIndex, &ehci->suspended_ports)) {
+			clear_bit(wIndex, &ehci->suspended_ports);
+			ehci->reset_done[wIndex] = 0;
+			if (temp & PORT_PE)
+				set_bit(wIndex, &ehci->port_c_suspend);
+		}
+
 		if (temp & PORT_OC)
 			status |= 1 << USB_PORT_FEAT_OVER_CURRENT;
 		if (temp & PORT_RESET)
@@ -803,6 +813,7 @@ static int ehci_hub_control (
 					|| (temp & PORT_RESET) != 0)
 				goto error;
 			ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
+			set_bit(wIndex, &ehci->suspended_ports);
 			break;
 		case USB_PORT_FEAT_POWER:
 			if (HCS_PPC (ehci->hcs_params))
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index a6fd550b690..b11798d17ae 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -99,6 +99,8 @@ struct ehci_hcd {			/* one per controller */
 			owned by the companion during a bus suspend */
 	unsigned long		port_c_suspend;		/* which ports have
 			the change-suspend feature turned on */
+	unsigned long		suspended_ports;	/* which ports are
+			suspended */
 
 	/* per-HC memory pools (could be per-bus, but ...) */
 	struct dma_pool		*qh_pool;	/* qh per active urb */
-- 
GitLab


From 49e7cc84a86784ef2ab4e651f1824093be8f5b2b Mon Sep 17 00:00:00 2001
From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Mon, 6 Oct 2008 14:45:46 -0700
Subject: [PATCH 1214/2224] USB: Export if an interface driver supports
 autosuspend.

Create a new sysfs file per interface named supports_autosuspend.  This
file returns true if an interface driver's .supports_autosuspend flag is
set.  It also returns true if the interface is unclaimed (since the USB
core will autosuspend a device if an interface is not claimed).

This new sysfs file will be useful for user space scripts to test whether
a USB device correctly auto-suspends.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/ABI/testing/sysfs-bus-usb | 16 ++++++++++++++++
 drivers/usb/core/sysfs.c                | 24 ++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index 11a3c1682ce..df6c8a0159f 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -85,3 +85,19 @@ Description:
 Users:
 		PowerTOP <power@bughost.org>
 		http://www.lesswatts.org/projects/powertop/
+
+What:		/sys/bus/usb/device/<busnum>-<devnum>...:<config num>-<interface num>/supports_autosuspend
+Date:		January 2008
+KernelVersion:	2.6.27
+Contact:	Sarah Sharp <sarah.a.sharp@intel.com>
+Description:
+		When read, this file returns 1 if the interface driver
+		for this interface supports autosuspend.  It also
+		returns 1 if no driver has claimed this interface, as an
+		unclaimed interface will not stop the device from being
+		autosuspended if all other interface drivers are idle.
+		The file returns 0 if autosuspend support has not been
+		added to the driver.
+Users:
+		USB PM tool
+		git://git.moblin.org/users/sarah/usb-pm-tool/
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 5e1f5d55bf0..f66fba11fbd 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -743,6 +743,29 @@ static ssize_t show_modalias(struct device *dev,
 }
 static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL);
 
+static ssize_t show_supports_autosuspend(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct usb_interface *intf;
+	struct usb_device *udev;
+	int ret;
+
+	intf = to_usb_interface(dev);
+	udev = interface_to_usbdev(intf);
+
+	usb_lock_device(udev);
+	/* Devices will be autosuspended even when an interface isn't claimed */
+	if (!intf->dev.driver ||
+			to_usb_driver(intf->dev.driver)->supports_autosuspend)
+		ret = sprintf(buf, "%u\n", 1);
+	else
+		ret = sprintf(buf, "%u\n", 0);
+	usb_unlock_device(udev);
+
+	return ret;
+}
+static DEVICE_ATTR(supports_autosuspend, S_IRUGO, show_supports_autosuspend, NULL);
+
 static struct attribute *intf_attrs[] = {
 	&dev_attr_bInterfaceNumber.attr,
 	&dev_attr_bAlternateSetting.attr,
@@ -751,6 +774,7 @@ static struct attribute *intf_attrs[] = {
 	&dev_attr_bInterfaceSubClass.attr,
 	&dev_attr_bInterfaceProtocol.attr,
 	&dev_attr_modalias.attr,
+	&dev_attr_supports_autosuspend.attr,
 	NULL,
 };
 static struct attribute_group intf_attr_grp = {
-- 
GitLab


From fd7c519dd40a0d561280bb797386143fb2026949 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Fri, 10 Oct 2008 16:24:45 +0200
Subject: [PATCH 1215/2224] USB: hub.c: Add initial_descriptor_timeout module
 parameter for usbcore

This patch adds initial_descriptor_timeout module parameter for usbcore.ko
to allow modify initial 64-byte USB_REQ_GET_DESCRIPTOR timeout for
non-standard devices.

For example, the SATA8000 device from DATAST0R Technology Corp
requires about 10 seconds to send reply (probably it waits until
inserted disk is ready for operation).

Also, this patch adds missing usbcore parameters to
Documentation/kernel-parameters.txt.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 Documentation/kernel-parameters.txt | 19 +++++++++++++++++++
 drivers/usb/core/hub.c              | 11 ++++++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index dd28a0d5698..d4f4875fc7c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2253,6 +2253,25 @@ and is between 256 and 4096 characters. It is defined in the file
 			autosuspended.  Devices for which the delay is set
 			to a negative value won't be autosuspended at all.
 
+	usbcore.usbfs_snoop=
+			[USB] Set to log all usbfs traffic (default 0 = off).
+
+	usbcore.blinkenlights=
+			[USB] Set to cycle leds on hubs (default 0 = off).
+
+	usbcore.old_scheme_first=
+			[USB] Start with the old device initialization
+			scheme (default 0 = off).
+
+	usbcore.use_both_schemes=
+			[USB] Try the other device initialization scheme
+			if the first one fails (default 1 = enabled).
+
+	usbcore.initial_descriptor_timeout=
+			[USB] Specifies timeout for the initial 64-byte
+                        USB_REQ_GET_DESCRIPTOR request in milliseconds
+			(default 5000 = 5.0 seconds).
+
 	usbhid.mousepoll=
 			[USBHID] The interval which mice are to be polled at.
 
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b97110ca352..d73ce262c36 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -100,6 +100,15 @@ static int blinkenlights = 0;
 module_param (blinkenlights, bool, S_IRUGO);
 MODULE_PARM_DESC (blinkenlights, "true to cycle leds on hubs");
 
+/*
+ * Device SATA8000 FW1.0 from DATAST0R Technology Corp requires about
+ * 10 seconds to send reply for the initial 64-byte descriptor request.
+ */
+/* define initial 64-byte descriptor request timeout in milliseconds */
+static int initial_descriptor_timeout = USB_CTRL_GET_TIMEOUT;
+module_param(initial_descriptor_timeout, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(initial_descriptor_timeout, "initial 64-byte descriptor request timeout in milliseconds (default 5000 - 5.0 seconds)");
+
 /*
  * As of 2.6.10 we introduce a new USB device initialization scheme which
  * closely resembles the way Windows works.  Hopefully it will be compatible
@@ -2538,7 +2547,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
 					USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
 					USB_DT_DEVICE << 8, 0,
 					buf, GET_DESCRIPTOR_BUFSIZE,
-					USB_CTRL_GET_TIMEOUT);
+					initial_descriptor_timeout);
 				switch (buf->bMaxPacketSize0) {
 				case 8: case 16: case 32: case 64: case 255:
 					if (buf->bDescriptorType ==
-- 
GitLab


From 8b6346ec899713a90890c9e832f7eff91ea73504 Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Fri, 10 Oct 2008 06:41:16 -0400
Subject: [PATCH 1216/2224] USB: option: add Pantech cards

Add some Pantech mobile broadband IDs.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 45b8fc392c5..0d18a40a154 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -213,6 +213,12 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define ERICSSON_VENDOR_ID			0x0bdb
 #define ERICSSON_PRODUCT_F3507G			0x1900
 
+/* Pantech products */
+#define PANTECH_VENDOR_ID			0x106c
+#define PANTECH_PRODUCT_PC5740			0x3701
+#define PANTECH_PRODUCT_PC5750			0x3702  /* PX-500 */
+#define PANTECH_PRODUCT_UM150			0x3711
+
 static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -333,6 +339,9 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
 	{ USB_DEVICE(ERICSSON_VENDOR_ID, ERICSSON_PRODUCT_F3507G) },
+	{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_PC5740) },
+	{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_PC5750) },
+	{ USB_DEVICE(PANTECH_VENDOR_ID, PANTECH_PRODUCT_UM150) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
-- 
GitLab


From 71b7497c078a97e2afb774ad7c1f8ff5bdda8a60 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 9 Oct 2008 15:40:23 -0400
Subject: [PATCH 1217/2224] USB: OHCI: fix endless polling behavior

This patch (as1149) fixes an obscure problem in OHCI polling.  In the
current code, if the RHSC interrupt status flag turns on at a time
when RHSC interrupts are disabled, it will remain on forever:

	The interrupt handler is the only place where RHSC status
	gets turned back off;

	The interrupt handler won't turn RHSC status off because it
	doesn't turn off status flags if the corresponding interrupt
	isn't enabled;

	RHSC interrupts will never get enabled because
	ohci_root_hub_state_changes() doesn't reenable RHSC if RHSC
	status is on!

As a result we will continue polling indefinitely instead of reverting
to interrupt-driven operation, and the root hub will not autosuspend.
This particular sequence of events is not at all unusual; in fact
plugging a USB device into an OHCI controller will usually cause it to
occur.

Of course, this is a bug.  The proper thing to do is to turn off RHSC
status just before reading the actual port status values.  That way
either a port status change will be detected (if it occurs before the
status read) or it will turn RHSC back on.  Possibly both, but that
won't hurt anything.

We can still check for systems in which RHSC is totally broken, by
re-reading RHSC after clearing it and before reading the port
statuses.  (This re-read has to be done anyway, to post the earlier
write.)  If RHSC is on but no port-change statuses are set, then we
know that RHSC is broken and we can avoid re-enabling it.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/ohci-hub.c | 51 +++++++++++++++++++++++--------------
 1 file changed, 32 insertions(+), 19 deletions(-)

diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index a150e85c901..32bbce9718f 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -359,17 +359,15 @@ static void ohci_finish_controller_resume(struct usb_hcd *hcd)
 
 /* Carry out polling-, autostop-, and autoresume-related state changes */
 static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
-		int any_connected)
+		int any_connected, int rhsc_status)
 {
 	int	poll_rh = 1;
-	int	rhsc_status, rhsc_enable;
+	int	rhsc_enable;
 
 	/* Some broken controllers never turn off RHCS in the interrupt
 	 * status register.  For their sake we won't re-enable RHSC
 	 * interrupts if the interrupt bit is already active.
 	 */
-	rhsc_status = ohci_readl(ohci, &ohci->regs->intrstatus) &
-			OHCI_INTR_RHSC;
 	rhsc_enable = ohci_readl(ohci, &ohci->regs->intrenable) &
 			OHCI_INTR_RHSC;
 
@@ -421,14 +419,23 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 				ohci_rh_resume(ohci);
 			else
 				usb_hcd_resume_root_hub(ohci_to_hcd(ohci));
+
+		/* If remote wakeup is disabled, stop polling */
+		} else if (!ohci->autostop &&
+				!ohci_to_hcd(ohci)->self.root_hub->
+					do_remote_wakeup) {
+			poll_rh = 0;
+
 		} else {
-			if (!rhsc_enable && !rhsc_status && (ohci->autostop ||
-					ohci_to_hcd(ohci)->self.root_hub->
-						do_remote_wakeup)) {
+			/* If no status changes are pending,
+			 * enable RHSC interrupts
+			 */
+			if (!rhsc_enable && !rhsc_status) {
 				rhsc_enable = OHCI_INTR_RHSC;
 				ohci_writel(ohci, rhsc_enable,
 						&ohci->regs->intrenable);
 			}
+			/* Keep polling until RHSC is enabled */
 			if (rhsc_enable)
 				poll_rh = 0;
 		}
@@ -448,22 +455,22 @@ static inline int ohci_rh_resume(struct ohci_hcd *ohci)
  * autostop isn't used when CONFIG_PM is turned off.
  */
 static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
-		int any_connected)
+		int any_connected, int rhsc_status)
 {
-	int	rhsc_status;
-
 	/* If RHSC is enabled, don't poll */
 	if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC)
 		return 0;
 
-	/* If no status changes are pending, enable RHSC interrupts */
-	rhsc_status = ohci_readl(ohci, &ohci->regs->intrstatus) &
-			OHCI_INTR_RHSC;
-	if (!changed && !rhsc_status) {
-		ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
-		return 0;
-	}
-	return 1;
+	/* If status changes are pending, continue polling.
+	 * Conversely, if no status changes are pending but the RHSC
+	 * status bit was set, then RHSC may be broken so continue polling.
+	 */
+	if (changed || rhsc_status)
+		return 1;
+
+	/* It's safe to re-enable RHSC interrupts */
+	ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
+	return 0;
 }
 
 #endif	/* CONFIG_PM */
@@ -478,6 +485,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 	struct ohci_hcd	*ohci = hcd_to_ohci (hcd);
 	int		i, changed = 0, length = 1;
 	int		any_connected = 0;
+	int		rhsc_status;
 	unsigned long	flags;
 
 	spin_lock_irqsave (&ohci->lock, flags);
@@ -503,6 +511,11 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 		length++;
 	}
 
+	/* Clear the RHSC status flag before reading the port statuses */
+	ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrstatus);
+	rhsc_status = ohci_readl(ohci, &ohci->regs->intrstatus) &
+			OHCI_INTR_RHSC;
+
 	/* look at each port */
 	for (i = 0; i < ohci->num_ports; i++) {
 		u32	status = roothub_portstatus (ohci, i);
@@ -521,7 +534,7 @@ ohci_hub_status_data (struct usb_hcd *hcd, char *buf)
 	}
 
 	hcd->poll_rh = ohci_root_hub_state_changes(ohci, changed,
-			any_connected);
+			any_connected, rhsc_status);
 
 done:
 	spin_unlock_irqrestore (&ohci->lock, flags);
-- 
GitLab


From 84dcd594952bf9b95b3901516a61e57abdf54d62 Mon Sep 17 00:00:00 2001
From: Stephen Ware <stephen.ware@eqware.net>
Date: Wed, 8 Oct 2008 10:53:56 -0700
Subject: [PATCH 1218/2224] USB: fix up problems in the vtusb driver

Add range check on buffer sizes passed in from user space
(max is 8*PAGE_SIZE) which will work for the most common
spectrometers even at pages as small as 1K.

Add kref to vst device structure to preserve reference to the
usb object until we truly are done with it.

From: Stephen Ware <stephen.ware@eqware.net>
From: Dennis O'Brien <dennis.obrien@eqware.net>
Signed-off-by: Dennis O'Brien <dennis.obrien@eqware.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/misc/vstusb.c | 54 ++++++++++++++++++++++++---------------
 1 file changed, 34 insertions(+), 20 deletions(-)

diff --git a/drivers/usb/misc/vstusb.c b/drivers/usb/misc/vstusb.c
index 5ad75e4a032..8648470c81c 100644
--- a/drivers/usb/misc/vstusb.c
+++ b/drivers/usb/misc/vstusb.c
@@ -59,6 +59,8 @@
 #define USB_PRODUCT_LABPRO	0x0001
 #define USB_PRODUCT_LABQUEST	0x0005
 
+#define VST_MAXBUFFER		(64*1024)
+
 static struct usb_device_id id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB2000)},
 	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_HR4000)},
@@ -73,6 +75,7 @@ static struct usb_device_id id_table[] = {
 MODULE_DEVICE_TABLE(usb, id_table);
 
 struct vstusb_device {
+	struct kref				kref;
 	struct mutex            lock;
 	struct usb_device       *usb_dev;
 	char                    present;
@@ -83,9 +86,18 @@ struct vstusb_device {
 	int                     wr_pipe;
 	int                     wr_timeout_ms;
 };
+#define to_vst_dev(d) container_of(d, struct vstusb_device, kref)
 
 static struct usb_driver vstusb_driver;
 
+static void vstusb_delete(struct kref *kref)
+{
+	struct vstusb_device *vstdev = to_vst_dev(kref);
+
+	usb_put_dev(vstdev->usb_dev);
+	kfree(vstdev);
+}
+
 static int vstusb_open(struct inode *inode, struct file *file)
 {
 	struct vstusb_device *vstdev;
@@ -114,6 +126,9 @@ static int vstusb_open(struct inode *inode, struct file *file)
 		return -EBUSY;
 	}
 
+	/* increment our usage count */
+	kref_get(&vstdev->kref);
+
 	vstdev->isopen = 1;
 
 	/* save device in the file's private structure */
@@ -126,7 +141,7 @@ static int vstusb_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static int vstusb_close(struct inode *inode, struct file *file)
+static int vstusb_release(struct inode *inode, struct file *file)
 {
 	struct vstusb_device *vstdev;
 
@@ -138,14 +153,12 @@ static int vstusb_close(struct inode *inode, struct file *file)
 	mutex_lock(&vstdev->lock);
 
 	vstdev->isopen = 0;
-	file->private_data = NULL;
 
-	/* if device is no longer present */
-	if (!vstdev->present) {
-		mutex_unlock(&vstdev->lock);
-		kfree(vstdev);
-	} else
-		mutex_unlock(&vstdev->lock);
+	dev_dbg(&vstdev->usb_dev->dev, "%s: released\n", __func__);
+
+	mutex_unlock(&vstdev->lock);
+
+	kref_put(&vstdev->kref, vstusb_delete);
 
 	return 0;
 }
@@ -268,7 +281,7 @@ static ssize_t vstusb_read(struct file *file, char __user *buffer,
 		return -ENODEV;
 
 	/* verify that we actually want to read some data */
-	if (count == 0)
+	if ((count == 0) || (count > VST_MAXBUFFER))
 		return -EINVAL;
 
 	/* lock this object */
@@ -354,7 +367,7 @@ static ssize_t vstusb_write(struct file *file, const char __user *buffer,
 		return -ENODEV;
 
 	/* verify that we actually have some data to write */
-	if (count == 0)
+	if ((count == 0) || (count > VST_MAXBUFFER))
 		return retval;
 
 	/* lock this object */
@@ -498,7 +511,7 @@ static long vstusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 	case IOCTL_VSTUSB_SEND_PIPE:
 
-		if (usb_data.count == 0) {
+		if ((usb_data.count == 0) || (usb_data.count > VST_MAXBUFFER)) {
 			mutex_unlock(&vstdev->lock);
 			retval = -EINVAL;
 			goto exit;
@@ -551,7 +564,7 @@ static long vstusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 	case IOCTL_VSTUSB_RECV_PIPE:
 
-		if (usb_data.count == 0) {
+		if ((usb_data.count == 0) || (usb_data.count > VST_MAXBUFFER)) {
 			mutex_unlock(&vstdev->lock);
 			retval = -EINVAL;
 			goto exit;
@@ -633,7 +646,7 @@ static const struct file_operations vstusb_fops = {
 	.unlocked_ioctl =       vstusb_ioctl,
 	.compat_ioctl =         vstusb_ioctl,
 	.open =                 vstusb_open,
-	.release =              vstusb_close,
+	.release =              vstusb_release,
 };
 
 static struct usb_class_driver usb_vstusb_class = {
@@ -656,6 +669,10 @@ static int vstusb_probe(struct usb_interface *intf,
 	if (vstdev == NULL)
 		return -ENOMEM;
 
+	/* must do usb_get_dev() prior to kref_init() since the kref_put()
+	 * release function will do a usb_put_dev() */
+	usb_get_dev(dev);
+	kref_init(&vstdev->kref);
 	mutex_init(&vstdev->lock);
 
 	i = dev->descriptor.bcdDevice;
@@ -676,7 +693,7 @@ static int vstusb_probe(struct usb_interface *intf,
 			"%s: Not able to get a minor for this device.\n",
 			__func__);
 		usb_set_intfdata(intf, NULL);
-		kfree(vstdev);
+		kref_put(&vstdev->kref, vstusb_delete);
 		return retval;
 	}
 
@@ -704,14 +721,11 @@ static void vstusb_disconnect(struct usb_interface *intf)
 
 		usb_kill_anchored_urbs(&vstdev->submitted);
 
-		/* if the device is not opened, then we clean up right now */
-		if (!vstdev->isopen) {
-			mutex_unlock(&vstdev->lock);
-			kfree(vstdev);
-		} else
-			mutex_unlock(&vstdev->lock);
+		mutex_unlock(&vstdev->lock);
 
+		kref_put(&vstdev->kref, vstusb_delete);
 	}
+
 }
 
 static int vstusb_suspend(struct usb_interface *intf, pm_message_t message)
-- 
GitLab


From 9c94155ea03e85aed66b6822477ea99f8681a3f1 Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@imgtec.com>
Date: Tue, 12 Aug 2008 15:39:07 +0100
Subject: [PATCH 1219/2224] fsl_usb2_udc: Make dr_ep_setup function static.

Make dr_ep_setup function static as it's never used outside this file.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 45ad556169f..d140e1b1c90 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -315,7 +315,8 @@ static void dr_controller_stop(struct fsl_udc *udc)
 	return;
 }
 
-void dr_ep_setup(unsigned char ep_num, unsigned char dir, unsigned char ep_type)
+static void dr_ep_setup(unsigned char ep_num, unsigned char dir,
+			unsigned char ep_type)
 {
 	unsigned int tmp_epctrl = 0;
 
-- 
GitLab


From f6e4411fe7df19493e3a2fbc2543f718f75671f6 Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@imgtec.com>
Date: Tue, 12 Aug 2008 15:39:08 +0100
Subject: [PATCH 1220/2224] fsl_usb2_udc: Remove check for udc == NULL in
 dr_controller_setup.

Remove check for udc == NULL in dr_controller_setup. All callers of
this function have already dereferenced udc at some point.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index d140e1b1c90..3b96aac27af 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -185,10 +185,6 @@ static int dr_controller_setup(struct fsl_udc *udc)
 	unsigned long timeout;
 #define FSL_UDC_RESET_TIMEOUT 1000
 
-	/* before here, make sure dr_regs has been initialized */
-	if (!udc)
-		return -EINVAL;
-
 	/* Stop and reset the usb controller */
 	tmp = fsl_readl(&dr_regs->usbcmd);
 	tmp &= ~USB_CMD_RUN_STOP;
-- 
GitLab


From 7483cff8a3ea4c31a677a6ac1a4eb3d78adcb9cc Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@imgtec.com>
Date: Tue, 12 Aug 2008 15:39:09 +0100
Subject: [PATCH 1221/2224] fsl_usb2_udc: Fix some sparse warnings and remove
 redundant code.

Fix some sparse "integer used as NULL pointer" warnings.
Remove some unnecessary volatiles and static initialization.
Remove some unused struct members and reorder to improve packing.
Remove a few unneeded includes.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 28 +++++++++-------------------
 drivers/usb/gadget/fsl_usb2_udc.h | 21 ++-------------------
 2 files changed, 11 insertions(+), 38 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 3b96aac27af..d242e7eb5a5 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -23,11 +23,8 @@
 #include <linux/ioport.h>
 #include <linux/types.h>
 #include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/init.h>
-#include <linux/timer.h>
 #include <linux/list.h>
 #include <linux/interrupt.h>
 #include <linux/proc_fs.h>
@@ -44,11 +41,9 @@
 
 #include <asm/byteorder.h>
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/system.h>
 #include <asm/unaligned.h>
 #include <asm/dma.h>
-#include <asm/cacheflush.h>
 
 #include "fsl_usb2_udc.h"
 
@@ -61,8 +56,8 @@
 static const char driver_name[] = "fsl-usb2-udc";
 static const char driver_desc[] = DRIVER_DESC;
 
-volatile static struct usb_dr_device *dr_regs = NULL;
-volatile static struct usb_sys_interface *usb_sys_regs = NULL;
+static struct usb_dr_device *dr_regs;
+static struct usb_sys_interface *usb_sys_regs;
 
 /* it is initialized in probe()  */
 static struct fsl_udc *udc_controller = NULL;
@@ -560,7 +555,7 @@ static int fsl_ep_disable(struct usb_ep *_ep)
 	/* nuke all pending requests (does flush) */
 	nuke(ep, -ESHUTDOWN);
 
-	ep->desc = 0;
+	ep->desc = NULL;
 	ep->stopped = 1;
 	spin_unlock_irqrestore(&udc->lock, flags);
 
@@ -1565,9 +1560,6 @@ static void port_change_irq(struct fsl_udc *udc)
 {
 	u32 speed;
 
-	if (udc->bus_reset)
-		udc->bus_reset = 0;
-
 	/* Bus resetting is finished */
 	if (!(fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET)) {
 		/* Get the speed */
@@ -1675,8 +1667,6 @@ static void reset_irq(struct fsl_udc *udc)
 
 	if (fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET) {
 		VDBG("Bus reset");
-		/* Bus is reseting */
-		udc->bus_reset = 1;
 		/* Reset all the queues, include XD, dTD, EP queue
 		 * head and TR Queue */
 		reset_queues(udc);
@@ -1796,7 +1786,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	/* lock is needed but whether should use this lock or another */
 	spin_lock_irqsave(&udc_controller->lock, flags);
 
-	driver->driver.bus = 0;
+	driver->driver.bus = NULL;
 	/* hook up the driver */
 	udc_controller->driver = driver;
 	udc_controller->gadget.dev.driver = &driver->driver;
@@ -1806,8 +1796,8 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	retval = driver->bind(&udc_controller->gadget);
 	if (retval) {
 		VDBG("bind to %s --> %d", driver->driver.name, retval);
-		udc_controller->gadget.dev.driver = 0;
-		udc_controller->driver = 0;
+		udc_controller->gadget.dev.driver = NULL;
+		udc_controller->driver = NULL;
 		goto out;
 	}
 
@@ -1839,7 +1829,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 		return -EINVAL;
 
 	if (udc_controller->transceiver)
-		(void)otg_set_peripheral(udc_controller->transceiver, 0);
+		otg_set_peripheral(udc_controller->transceiver, NULL);
 
 	/* stop DR, disable intr */
 	dr_controller_stop(udc_controller);
@@ -1860,8 +1850,8 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 
 	/* unbind gadget and unhook driver. */
 	driver->unbind(&udc_controller->gadget);
-	udc_controller->gadget.dev.driver = 0;
-	udc_controller->driver = 0;
+	udc_controller->gadget.dev.driver = NULL;
+	udc_controller->driver = NULL;
 
 	printk("unregistered gadget driver '%s'\r\n", driver->driver.name);
 	return 0;
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index 6131752a38b..e63ef12645f 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -424,16 +424,6 @@ struct ep_td_struct {
 /* Controller dma boundary */
 #define UDC_DMA_BOUNDARY			0x1000
 
-/* -----------------------------------------------------------------------*/
-/* ##### enum data
-*/
-typedef enum {
-	e_ULPI,
-	e_UTMI_8BIT,
-	e_UTMI_16BIT,
-	e_SERIAL
-} e_PhyInterface;
-
 /*-------------------------------------------------------------------------*/
 
 /* ### driver private data
@@ -469,9 +459,9 @@ struct fsl_ep {
 #define EP_DIR_OUT	0
 
 struct fsl_udc {
-
 	struct usb_gadget gadget;
 	struct usb_gadget_driver *driver;
+	struct completion *done;	/* to make sure release() is done */
 	struct fsl_ep *eps;
 	unsigned int max_ep;
 	unsigned int irq;
@@ -492,20 +482,13 @@ struct fsl_udc {
 	size_t ep_qh_size;		/* size after alignment adjustment*/
 	dma_addr_t ep_qh_dma;		/* dma address of QH */
 
-	u32 max_pipes;		/* Device max pipes */
-	u32 max_use_endpts;	/* Max endpointes to be used */
-	u32 bus_reset;		/* Device is bus reseting */
+	u32 max_pipes;          /* Device max pipes */
 	u32 resume_state;	/* USB state to resume */
 	u32 usb_state;		/* USB current state */
-	u32 usb_next_state;	/* USB next state */
 	u32 ep0_state;		/* Endpoint zero state */
 	u32 ep0_dir;		/* Endpoint zero direction: can be
 				   USB_DIR_IN or USB_DIR_OUT */
-	u32 usb_sof_count;	/* SOF count */
-	u32 errors;		/* USB ERRORs count */
 	u8 device_address;	/* Device USB address */
-
-	struct completion *done;	/* to make sure release() is done */
 };
 
 /*-------------------------------------------------------------------------*/
-- 
GitLab


From bf7409a23b4589e65624ca6bcefe6229a16ea0ae Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@imgtec.com>
Date: Tue, 12 Aug 2008 15:39:10 +0100
Subject: [PATCH 1222/2224] fsl_usb2_udc: Clean up whitespace in errors and
 warnings.

VDBG always outputs a trailing \n.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 36 +++++++++++++++----------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index d242e7eb5a5..38ffb06f31e 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -193,7 +193,7 @@ static int dr_controller_setup(struct fsl_udc *udc)
 	timeout = jiffies + FSL_UDC_RESET_TIMEOUT;
 	while (fsl_readl(&dr_regs->usbcmd) & USB_CMD_CTRL_RESET) {
 		if (time_after(jiffies, timeout)) {
-			ERR("udc reset timeout! \n");
+			ERR("udc reset timeout!\n");
 			return -ETIMEDOUT;
 		}
 		cpu_relax();
@@ -702,7 +702,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length,
 		*is_last = 0;
 
 	if ((*is_last) == 0)
-		VDBG("multi-dtd request!\n");
+		VDBG("multi-dtd request!");
 	/* Fill in the transfer size; set active bit */
 	swap_temp = ((*length << DTD_LENGTH_BIT_POS) | DTD_STATUS_ACTIVE);
 
@@ -765,11 +765,11 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 	/* catch various bogus parameters */
 	if (!_req || !req->req.complete || !req->req.buf
 			|| !list_empty(&req->queue)) {
-		VDBG("%s, bad params\n", __func__);
+		VDBG("%s, bad params", __func__);
 		return -EINVAL;
 	}
 	if (unlikely(!_ep || !ep->desc)) {
-		VDBG("%s, bad ep\n", __func__);
+		VDBG("%s, bad ep", __func__);
 		return -EINVAL;
 	}
 	if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) {
@@ -1061,7 +1061,7 @@ static int fsl_vbus_session(struct usb_gadget *gadget, int is_active)
 
 	udc = container_of(gadget, struct fsl_udc, gadget);
 	spin_lock_irqsave(&udc->lock, flags);
-	VDBG("VBUS %s\n", is_active ? "on" : "off");
+	VDBG("VBUS %s", is_active ? "on" : "off");
 	udc->vbus_active = (is_active != 0);
 	if (can_pullup(udc))
 		fsl_writel((fsl_readl(&dr_regs->usbcmd) | USB_CMD_RUN_STOP),
@@ -1161,7 +1161,7 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
 		return -ENOMEM;
 
 	if (status)
-		ERR("Can't queue ep0 status request \n");
+		ERR("Can't queue ep0 status request\n");
 	list_add_tail(&req->queue, &ep->queue);
 
 	return status;
@@ -1247,7 +1247,7 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
 		goto stall;
 
 	if (status) {
-		ERR("Can't respond to getstatus request \n");
+		ERR("Can't respond to getstatus request\n");
 		goto stall;
 	}
 	list_add_tail(&req->queue, &ep->queue);
@@ -1389,7 +1389,7 @@ static void ep0_req_complete(struct fsl_udc *udc, struct fsl_ep *ep0,
 		udc->ep0_state = WAIT_FOR_SETUP;
 		break;
 	case WAIT_FOR_SETUP:
-		ERR("Unexpect ep0 packets \n");
+		ERR("Unexpect ep0 packets\n");
 		break;
 	default:
 		ep0stall(udc);
@@ -1468,7 +1468,7 @@ static int process_ep_req(struct fsl_udc *udc, int pipe,
 				status = -EILSEQ;
 				break;
 			} else
-				ERR("Unknown error has occured (0x%x)!\r\n",
+				ERR("Unknown error has occured (0x%x)!\n",
 					errors);
 
 		} else if (le32_to_cpu(curr_td->size_ioc_sts)
@@ -1487,7 +1487,7 @@ static int process_ep_req(struct fsl_udc *udc, int pipe,
 			}
 		} else {
 			td_complete++;
-			VDBG("dTD transmitted successful ");
+			VDBG("dTD transmitted successful");
 		}
 
 		if (j != curr_req->dtd_count - 1)
@@ -1755,7 +1755,7 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
 	}
 
 	if (irq_src & (USB_STS_ERR | USB_STS_SYS_ERR)) {
-		VDBG("Error IRQ %x ", irq_src);
+		VDBG("Error IRQ %x", irq_src);
 	}
 
 	spin_unlock_irqrestore(&udc->lock, flags);
@@ -1806,12 +1806,12 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	udc_controller->usb_state = USB_STATE_ATTACHED;
 	udc_controller->ep0_state = WAIT_FOR_SETUP;
 	udc_controller->ep0_dir = 0;
-	printk(KERN_INFO "%s: bind to driver %s \n",
+	printk(KERN_INFO "%s: bind to driver %s\n",
 			udc_controller->gadget.name, driver->driver.name);
 
 out:
 	if (retval)
-		printk("retval %d \n", retval);
+		printk("gadget driver register failed %d\n", retval);
 	return retval;
 }
 EXPORT_SYMBOL(usb_gadget_register_driver);
@@ -1853,7 +1853,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	udc_controller->gadget.dev.driver = NULL;
 	udc_controller->driver = NULL;
 
-	printk("unregistered gadget driver '%s'\r\n", driver->driver.name);
+	printk("unregistered gadget driver '%s'\n", driver->driver.name);
 	return 0;
 }
 EXPORT_SYMBOL(usb_gadget_unregister_driver);
@@ -2241,7 +2241,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	u32 dccparams;
 
 	if (strcmp(pdev->name, driver_name)) {
-		VDBG("Wrong device\n");
+		VDBG("Wrong device");
 		return -ENODEV;
 	}
 
@@ -2259,7 +2259,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 
 	if (!request_mem_region(res->start, res->end - res->start + 1,
 				driver_name)) {
-		ERR("request mem region for %s failed \n", pdev->name);
+		ERR("request mem region for %s failed\n", pdev->name);
 		kfree(udc_controller);
 		return -EBUSY;
 	}
@@ -2293,7 +2293,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	ret = request_irq(udc_controller->irq, fsl_udc_irq, IRQF_SHARED,
 			driver_name, udc_controller);
 	if (ret != 0) {
-		ERR("cannot request irq %d err %d \n",
+		ERR("cannot request irq %d err %d\n",
 				udc_controller->irq, ret);
 		goto err2;
 	}
@@ -2456,7 +2456,7 @@ module_init(udc_init);
 static void __exit udc_exit(void)
 {
 	platform_driver_unregister(&udc_driver);
-	printk("%s unregistered \n", driver_desc);
+	printk("%s unregistered\n", driver_desc);
 }
 
 module_exit(udc_exit);
-- 
GitLab


From 9d9d88c80e80397a71745ab80e69edd95e1f6b41 Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@imgtec.com>
Date: Tue, 12 Aug 2008 15:39:11 +0100
Subject: [PATCH 1223/2224] fsl_usb2_udc: Clean up whitespace in /proc
 debugging output.

Missing spaces were causing the /proc debugging output to be rather
unreadable.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 35 ++++++++++++++++---------------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 38ffb06f31e..2bd2c9341f6 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -1909,7 +1909,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	tmp_reg = fsl_readl(&dr_regs->usbsts);
 	t = scnprintf(next, size,
 			"USB Status Reg:\n"
-			"Dr Suspend: %d" "Reset Received: %d" "System Error: %s"
+			"Dr Suspend: %d Reset Received: %d System Error: %s "
 			"USB Error Interrupt: %s\n\n",
 			(tmp_reg & USB_STS_SUSPEND) ? 1 : 0,
 			(tmp_reg & USB_STS_RESET) ? 1 : 0,
@@ -1921,11 +1921,11 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	tmp_reg = fsl_readl(&dr_regs->usbintr);
 	t = scnprintf(next, size,
 			"USB Intrrupt Enable Reg:\n"
-			"Sleep Enable: %d" "SOF Received Enable: %d"
+			"Sleep Enable: %d SOF Received Enable: %d "
 			"Reset Enable: %d\n"
-			"System Error Enable: %d"
+			"System Error Enable: %d "
 			"Port Change Dectected Enable: %d\n"
-			"USB Error Intr Enable: %d" "USB Intr Enable: %d\n\n",
+			"USB Error Intr Enable: %d USB Intr Enable: %d\n\n",
 			(tmp_reg & USB_INTR_DEVICE_SUSPEND) ? 1 : 0,
 			(tmp_reg & USB_INTR_SOF_EN) ? 1 : 0,
 			(tmp_reg & USB_INTR_RESET_EN) ? 1 : 0,
@@ -1938,21 +1938,21 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 
 	tmp_reg = fsl_readl(&dr_regs->frindex);
 	t = scnprintf(next, size,
-			"USB Frame Index Reg:" "Frame Number is 0x%x\n\n",
+			"USB Frame Index Reg: Frame Number is 0x%x\n\n",
 			(tmp_reg & USB_FRINDEX_MASKS));
 	size -= t;
 	next += t;
 
 	tmp_reg = fsl_readl(&dr_regs->deviceaddr);
 	t = scnprintf(next, size,
-			"USB Device Address Reg:" "Device Addr is 0x%x\n\n",
+			"USB Device Address Reg: Device Addr is 0x%x\n\n",
 			(tmp_reg & USB_DEVICE_ADDRESS_MASK));
 	size -= t;
 	next += t;
 
 	tmp_reg = fsl_readl(&dr_regs->endpointlistaddr);
 	t = scnprintf(next, size,
-			"USB Endpoint List Address Reg:"
+			"USB Endpoint List Address Reg: "
 			"Device Addr is 0x%x\n\n",
 			(tmp_reg & USB_EP_LIST_ADDRESS_MASK));
 	size -= t;
@@ -1961,11 +1961,12 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	tmp_reg = fsl_readl(&dr_regs->portsc1);
 	t = scnprintf(next, size,
 		"USB Port Status&Control Reg:\n"
-		"Port Transceiver Type : %s" "Port Speed: %s \n"
-		"PHY Low Power Suspend: %s" "Port Reset: %s"
-		"Port Suspend Mode: %s \n" "Over-current Change: %s"
+		"Port Transceiver Type : %s Port Speed: %s\n"
+		"PHY Low Power Suspend: %s Port Reset: %s "
+		"Port Suspend Mode: %s\n"
+		"Over-current Change: %s "
 		"Port Enable/Disable Change: %s\n"
-		"Port Enabled/Disabled: %s"
+		"Port Enabled/Disabled: %s "
 		"Current Connect Status: %s\n\n", ( {
 			char *s;
 			switch (tmp_reg & PORTSCX_PTS_FSLS) {
@@ -2010,7 +2011,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 
 	tmp_reg = fsl_readl(&dr_regs->usbmode);
 	t = scnprintf(next, size,
-			"USB Mode Reg:" "Controller Mode is : %s\n\n", ( {
+			"USB Mode Reg: Controller Mode is: %s\n\n", ( {
 				char *s;
 				switch (tmp_reg & USB_MODE_CTRL_MODE_HOST) {
 				case USB_MODE_CTRL_MODE_IDLE:
@@ -2029,7 +2030,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 
 	tmp_reg = fsl_readl(&dr_regs->endptsetupstat);
 	t = scnprintf(next, size,
-			"Endpoint Setup Status Reg:" "SETUP on ep 0x%x\n\n",
+			"Endpoint Setup Status Reg: SETUP on ep 0x%x\n\n",
 			(tmp_reg & EP_SETUP_STATUS_MASK));
 	size -= t;
 	next += t;
@@ -2042,12 +2043,12 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 		next += t;
 	}
 	tmp_reg = fsl_readl(&dr_regs->endpointprime);
-	t = scnprintf(next, size, "EP Prime Reg = [0x%x]\n", tmp_reg);
+	t = scnprintf(next, size, "EP Prime Reg = [0x%x]\n\n", tmp_reg);
 	size -= t;
 	next += t;
 
 	tmp_reg = usb_sys_regs->snoop1;
-	t = scnprintf(next, size, "\nSnoop1 Reg : = [0x%x]\n\n", tmp_reg);
+	t = scnprintf(next, size, "Snoop1 Reg : = [0x%x]\n\n", tmp_reg);
 	size -= t;
 	next += t;
 
@@ -2071,7 +2072,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 	} else {
 		list_for_each_entry(req, &ep->queue, queue) {
 			t = scnprintf(next, size,
-				"req %p actual 0x%x length 0x%x  buf %p\n",
+				"req %p actual 0x%x length 0x%x buf %p\n",
 				&req->req, req->req.actual,
 				req->req.length, req->req.buf);
 			size -= t;
@@ -2097,7 +2098,7 @@ static int fsl_proc_read(char *page, char **start, off_t off, int count,
 			} else {
 				list_for_each_entry(req, &ep->queue, queue) {
 					t = scnprintf(next, size,
-						"req %p actual 0x%x length"
+						"req %p actual 0x%x length "
 						"0x%x  buf %p\n",
 						&req->req, req->req.actual,
 						req->req.length, req->req.buf);
-- 
GitLab


From e06da9a828aa1ef52d1338b7a3d07291a04d581e Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@imgtec.com>
Date: Tue, 12 Aug 2008 15:39:12 +0100
Subject: [PATCH 1224/2224] fsl_usb2_udc: Initialize spinlock earlier.

Move spinlock initialization earlier so we can turn shared irq handler
debugging on safely.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 2bd2c9341f6..7b8cdaec260 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -2190,7 +2190,6 @@ static int __init struct_udc_setup(struct fsl_udc *udc,
 	udc->usb_state = USB_STATE_POWERED;
 	udc->ep0_dir = 0;
 	udc->remote_wakeup = 0;	/* default to 0 on reset */
-	spin_lock_init(&udc->lock);
 
 	return 0;
 }
@@ -2252,6 +2251,9 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	spin_lock_init(&udc_controller->lock);
+	udc_controller->stopped = 1;
+
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
 		kfree(udc_controller);
-- 
GitLab


From c93eebbe75a560bb27dc1f09fb1ab7a31d04b990 Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@gmail.com>
Date: Tue, 12 Aug 2008 15:39:13 +0100
Subject: [PATCH 1225/2224] fsl_usb2_udc: Rename the arguments of the
 fsl_writel macro.

Rename the arguments of the fsl_writel macro to match their use.
Remove a couple of unnecessary prototypes.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 7b8cdaec260..99a420dbdbc 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -71,16 +71,14 @@ fsl_ep0_desc = {
 	.wMaxPacketSize =	USB_MAX_CTRL_PAYLOAD,
 };
 
-static int fsl_udc_suspend(struct platform_device *pdev, pm_message_t state);
-static int fsl_udc_resume(struct platform_device *pdev);
 static void fsl_ep_fifo_flush(struct usb_ep *_ep);
 
 #ifdef CONFIG_PPC32
 #define fsl_readl(addr)		in_le32(addr)
-#define fsl_writel(addr, val32) out_le32(val32, addr)
+#define fsl_writel(val32, addr) out_le32(addr, val32)
 #else
 #define fsl_readl(addr)		readl(addr)
-#define fsl_writel(addr, val32) writel(addr, val32)
+#define fsl_writel(val32, addr) writel(val32, addr)
 #endif
 
 /********************************************************************
-- 
GitLab


From 825bee3a3340e720485ef4bde98cbb62e18cb547 Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@gmail.com>
Date: Tue, 12 Aug 2008 15:39:14 +0100
Subject: [PATCH 1226/2224] fsl_usb2_udc: Uninline udc_reset_ep_queue.

Uninline udc_reset_ep_queue and remove it's unused return value.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 99a420dbdbc..204cf38c63f 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -1165,16 +1165,12 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
 	return status;
 }
 
-static inline int udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe)
+static void udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe)
 {
 	struct fsl_ep *ep = get_ep_by_pipe(udc, pipe);
 
-	if (!ep->name)
-		return 0;
-
-	nuke(ep, -ESHUTDOWN);
-
-	return 0;
+	if (ep->name)
+		nuke(ep, -ESHUTDOWN);
 }
 
 /*
-- 
GitLab


From 224b50390104af7602871894540d94cc759dc4c0 Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@gmail.com>
Date: Tue, 12 Aug 2008 15:39:15 +0100
Subject: [PATCH 1227/2224] fsl_usb2_udc: Make fsl_queue_td return type void.

fsl_queue_td always returns 0. Make it void and remove checks for non-zero
return in callers.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 204cf38c63f..6f627203134 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -592,7 +592,7 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req)
 }
 
 /*-------------------------------------------------------------------------*/
-static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
+static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 {
 	int i = ep_index(ep) * 2 + ep_is_in(ep);
 	u32 temp, bitmask, tmp_stat;
@@ -649,7 +649,7 @@ static int fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 		: (1 << (ep_index(ep)));
 	fsl_writel(temp, &dr_regs->endpointprime);
 out:
-	return 0;
+	return;
 }
 
 /* Fill in the dTD structure
@@ -1136,7 +1136,6 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
 {
 	struct fsl_req *req = udc->status_req;
 	struct fsl_ep *ep;
-	int status = 0;
 
 	if (direction == EP_DIR_IN)
 		udc->ep0_dir = USB_DIR_IN;
@@ -1154,15 +1153,13 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
 	req->dtd_count = 0;
 
 	if (fsl_req_to_dtd(req) == 0)
-		status = fsl_queue_td(ep, req);
+		fsl_queue_td(ep, req);
 	else
 		return -ENOMEM;
 
-	if (status)
-		ERR("Can't queue ep0 status request\n");
 	list_add_tail(&req->queue, &ep->queue);
 
-	return status;
+	return 0;
 }
 
 static void udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe)
@@ -1194,10 +1191,8 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
 		u16 index, u16 length)
 {
 	u16 tmp = 0;		/* Status, cpu endian */
-
 	struct fsl_req *req;
 	struct fsl_ep *ep;
-	int status = 0;
 
 	ep = &udc->eps[0];
 
@@ -1236,14 +1231,10 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
 
 	/* prime the data phase */
 	if ((fsl_req_to_dtd(req) == 0))
-		status = fsl_queue_td(ep, req);
+		fsl_queue_td(ep, req);
 	else			/* no mem */
 		goto stall;
 
-	if (status) {
-		ERR("Can't respond to getstatus request\n");
-		goto stall;
-	}
 	list_add_tail(&req->queue, &ep->queue);
 	udc->ep0_state = DATA_STATE_XMIT;
 	return;
-- 
GitLab


From 59097fb73cf60276053551308524f6c772f305a9 Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@gmail.com>
Date: Tue, 12 Aug 2008 15:39:16 +0100
Subject: [PATCH 1228/2224] fsl_usb2_udc: Add a wmb before priming endpoint.

Add a wmb to fsl_queue_td before priming the endpoint. This ensures that the
modifications to the QH are seen by the hardware.

Added comment as suggested by Felipe Balbi.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 6f627203134..0492441bc0b 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -643,6 +643,9 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
 			| EP_QUEUE_HEAD_STATUS_HALT));
 	dQH->size_ioc_int_sts &= temp;
 
+	/* Ensure that updates to the QH will occure before priming. */
+	wmb();
+
 	/* Prime endpoint by writing 1 to ENDPTPRIME */
 	temp = ep_is_in(ep)
 		? (1 << (ep_index(ep) + 16))
-- 
GitLab


From 23d7cd040e1f43113da3e8763becf576ab86b39a Mon Sep 17 00:00:00 2001
From: Will Newton <will.newton@gmail.com>
Date: Tue, 12 Aug 2008 15:39:17 +0100
Subject: [PATCH 1229/2224] fsl_usb2_udc: Fix oops on probe failure.

In some circumstances when fsl_udc_probe fails udc_controller is freed but
the pointer remains non-NULL. fsl_udc_remove will then try and teardown
the partly initialized and freed controller structure resulting in an oops.
This patch ensures udc_controller is either NULL or fully initialized after
fsl_udc_probe.

Signed-off-by: Will Newton <will.newton@gmail.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_usb2_udc.c | 32 ++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 0492441bc0b..091bb55c9aa 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -2244,21 +2244,21 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
-		kfree(udc_controller);
-		return -ENXIO;
+		ret = -ENXIO;
+		goto err_kfree;
 	}
 
 	if (!request_mem_region(res->start, res->end - res->start + 1,
 				driver_name)) {
 		ERR("request mem region for %s failed\n", pdev->name);
-		kfree(udc_controller);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err_kfree;
 	}
 
 	dr_regs = ioremap(res->start, res->end - res->start + 1);
 	if (!dr_regs) {
 		ret = -ENOMEM;
-		goto err1;
+		goto err_release_mem_region;
 	}
 
 	usb_sys_regs = (struct usb_sys_interface *)
@@ -2269,7 +2269,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	if (!(dccparams & DCCPARAMS_DC)) {
 		ERR("This SOC doesn't support device role\n");
 		ret = -ENODEV;
-		goto err2;
+		goto err_iounmap;
 	}
 	/* Get max device endpoints */
 	/* DEN is bidirectional ep number, max_ep doubles the number */
@@ -2278,7 +2278,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	udc_controller->irq = platform_get_irq(pdev, 0);
 	if (!udc_controller->irq) {
 		ret = -ENODEV;
-		goto err2;
+		goto err_iounmap;
 	}
 
 	ret = request_irq(udc_controller->irq, fsl_udc_irq, IRQF_SHARED,
@@ -2286,14 +2286,14 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	if (ret != 0) {
 		ERR("cannot request irq %d err %d\n",
 				udc_controller->irq, ret);
-		goto err2;
+		goto err_iounmap;
 	}
 
 	/* Initialize the udc structure including QH member and other member */
 	if (struct_udc_setup(udc_controller, pdev)) {
 		ERR("Can't initialize udc data structure\n");
 		ret = -ENOMEM;
-		goto err3;
+		goto err_free_irq;
 	}
 
 	/* initialize usb hw reg except for regs for EP,
@@ -2314,7 +2314,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	udc_controller->gadget.dev.parent = &pdev->dev;
 	ret = device_register(&udc_controller->gadget.dev);
 	if (ret < 0)
-		goto err3;
+		goto err_free_irq;
 
 	/* setup QH and epctrl for ep0 */
 	ep0_setup(udc_controller);
@@ -2344,20 +2344,22 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 			DTD_ALIGNMENT, UDC_DMA_BOUNDARY);
 	if (udc_controller->td_pool == NULL) {
 		ret = -ENOMEM;
-		goto err4;
+		goto err_unregister;
 	}
 	create_proc_file();
 	return 0;
 
-err4:
+err_unregister:
 	device_unregister(&udc_controller->gadget.dev);
-err3:
+err_free_irq:
 	free_irq(udc_controller->irq, udc_controller);
-err2:
+err_iounmap:
 	iounmap(dr_regs);
-err1:
+err_release_mem_region:
 	release_mem_region(res->start, res->end - res->start + 1);
+err_kfree:
 	kfree(udc_controller);
+	udc_controller = NULL;
 	return ret;
 }
 
-- 
GitLab


From 928dfa6c625c17d810ae3ee6c73dc37fc4b91bcd Mon Sep 17 00:00:00 2001
From: Li Yang <leoli@freescale.com>
Date: Wed, 24 Sep 2008 15:50:26 +0800
Subject: [PATCH 1230/2224] usb/fsl_qe_udc: fix response to get status request

The original code didn't respond correctly to get status request on
device and endpoint.  Although normal operations can work without the
fix.  It is not compliant with USB spec chapter9 and fails USBCV ch9
tests.  The patch fix this and a few style/typo problems.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_qe_udc.c | 101 +++++++++++++++++++++-----------
 drivers/usb/gadget/fsl_qe_udc.h |   1 +
 2 files changed, 68 insertions(+), 34 deletions(-)

diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index e9400e62f17..d9aad6894b3 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -1138,7 +1138,7 @@ static int qe_ep_tx(struct qe_ep *ep, struct qe_frame *frame)
 	}
 }
 
-/* when an bd was transmitted, the function can *
+/* when a bd was transmitted, the function can
  * handle the tx_req, not include ep0           */
 static int txcomplete(struct qe_ep *ep, unsigned char restart)
 {
@@ -1174,7 +1174,7 @@ static int txcomplete(struct qe_ep *ep, unsigned char restart)
 	return 0;
 }
 
-/* give a frame and a tx_req,send some data */
+/* give a frame and a tx_req, send some data */
 static int qe_usb_senddata(struct qe_ep *ep, struct qe_frame *frame)
 {
 	unsigned int size;
@@ -1797,11 +1797,6 @@ static int qe_ep_set_halt(struct usb_ep *_ep, int value)
 		goto out;
 	}
 
-	if (ep->epnum != 0) {
-		status = 0;
-		goto out;
-	}
-
 	udc = ep->udc;
 	/* Attempt to halt IN ep will fail if any transfer requests
 	 * are still queue */
@@ -1821,7 +1816,7 @@ static int qe_ep_set_halt(struct usb_ep *_ep, int value)
 		udc->ep0_dir = 0;
 	}
 out:
-	dev_vdbg(udc->dev, " %s %s halt stat %d\n", ep->ep.name,
+	dev_vdbg(udc->dev, "%s %s halt stat %d\n", ep->ep.name,
 			value ?  "set" : "clear", status);
 
 	return status;
@@ -1953,22 +1948,51 @@ static void ownercomplete(struct usb_ep *_ep, struct usb_request *_req)
 	kfree(req);
 }
 
-static void ch9getstatus(struct qe_udc *udc, u16 value, u16 index,
-			 u16 length)
+static void ch9getstatus(struct qe_udc *udc, u8 request_type, u16 value,
+			u16 index, u16 length)
 {
-	u16 usb_status = 0;	/* fix me to give correct status */
-
+	u16 usb_status = 0;
 	struct qe_req *req;
 	struct qe_ep *ep;
 	int status = 0;
 
 	ep = &udc->eps[0];
+	if ((request_type & USB_RECIP_MASK) == USB_RECIP_DEVICE) {
+		/* Get device status */
+		usb_status = 1 << USB_DEVICE_SELF_POWERED;
+	} else if ((request_type & USB_RECIP_MASK) == USB_RECIP_INTERFACE) {
+		/* Get interface status */
+		/* We don't have interface information in udc driver */
+		usb_status = 0;
+	} else if ((request_type & USB_RECIP_MASK) == USB_RECIP_ENDPOINT) {
+		/* Get endpoint status */
+		int pipe = index & USB_ENDPOINT_NUMBER_MASK;
+		struct qe_ep *target_ep = &udc->eps[pipe];
+		u16 usep;
+
+		/* stall if endpoint doesn't exist */
+		if (!target_ep->desc)
+			goto stall;
+
+		usep = in_be16(&udc->usb_regs->usb_usep[pipe]);
+		if (index & USB_DIR_IN) {
+			if (target_ep->dir != USB_DIR_IN)
+				goto stall;
+			if ((usep & USB_THS_MASK) == USB_THS_STALL)
+				usb_status = 1 << USB_ENDPOINT_HALT;
+		} else {
+			if (target_ep->dir != USB_DIR_OUT)
+				goto stall;
+			if ((usep & USB_RHS_MASK) == USB_RHS_STALL)
+				usb_status = 1 << USB_ENDPOINT_HALT;
+		}
+	}
 
 	req = container_of(qe_alloc_request(&ep->ep, GFP_KERNEL),
 					struct qe_req, req);
 	req->req.length = 2;
-	req->req.buf = udc->nullbuf;
-	memcpy(req->req.buf, (u8 *)&usb_status, 2);
+	req->req.buf = udc->statusbuf;
+	*(u16 *)req->req.buf = cpu_to_le16(usb_status);
 	req->req.status = -EINPROGRESS;
 	req->req.actual = 0;
 	req->req.complete = ownercomplete;
@@ -1978,10 +2002,11 @@ static void ch9getstatus(struct qe_udc *udc, u16 value, u16 index,
 	/* data phase */
 	status = qe_ep_queue(&ep->ep, &req->req, GFP_ATOMIC);
 
-	if (status) {
-		dev_err(udc->dev, "Can't respond to getstatus request \n");
-		qe_ep0_stall(udc);
-	}
+	if (status == 0)
+		return;
+stall:
+	dev_err(udc->dev, "Can't respond to getstatus request \n");
+	qe_ep0_stall(udc);
 }
 
 /* only handle the setup request, suppose the device in normal status */
@@ -2007,7 +2032,8 @@ static void setup_received_handle(struct qe_udc *udc,
 		if ((setup->bRequestType & (USB_DIR_IN | USB_TYPE_MASK))
 					!= (USB_DIR_IN | USB_TYPE_STANDARD))
 			break;
-		ch9getstatus(udc, wValue, wIndex, wLength);
+		ch9getstatus(udc, setup->bRequestType, wValue, wIndex,
+					wLength);
 		return;
 
 	case USB_REQ_SET_ADDRESS:
@@ -2021,7 +2047,7 @@ static void setup_received_handle(struct qe_udc *udc,
 	case USB_REQ_CLEAR_FEATURE:
 	case USB_REQ_SET_FEATURE:
 		/* Requests with no data phase, status phase from udc */
-		if ((setup->bRequestType &  USB_TYPE_MASK)
+		if ((setup->bRequestType & USB_TYPE_MASK)
 					!= USB_TYPE_STANDARD)
 			break;
 
@@ -2055,7 +2081,7 @@ static void setup_received_handle(struct qe_udc *udc,
 		if (setup->bRequestType & USB_DIR_IN) {
 			udc->ep0_state = DATA_STATE_XMIT;
 			udc->ep0_dir = USB_DIR_IN;
-		} else{
+		} else {
 			udc->ep0_state = DATA_STATE_RECV;
 			udc->ep0_dir = USB_DIR_OUT;
 		}
@@ -2160,13 +2186,11 @@ static int tx_irq(struct qe_udc *udc)
 			bd = ep->c_txbd;
 			if (!(in_be32((u32 __iomem *)bd) & T_R)
 						&& (in_be32(&bd->buf))) {
-				/* Disable the TX Interrupt */
-				/*confirm the transmitted bd*/
+				/* confirm the transmitted bd */
 				if (ep->epnum == 0)
 					res = qe_ep0_txconf(ep);
 				else
 					res = qe_ep_txconf(ep);
-				/* Enable the TX Interrupt */
 			}
 		}
 	}
@@ -2205,7 +2229,6 @@ static irqreturn_t qe_udc_irq(int irq, void *_udc)
 	irqreturn_t status = IRQ_NONE;
 	unsigned long flags;
 
-
 	spin_lock_irqsave(&udc->lock, flags);
 
 	irq_src = in_be16(&udc->usb_regs->usb_usber) &
@@ -2520,10 +2543,9 @@ static int __devinit qe_udc_probe(struct of_device *ofdev,
 	udc_controller->gadget.dev.release = qe_udc_release;
 	udc_controller->gadget.dev.parent = &ofdev->dev;
 
-
-	/* EP:intialization qe_ep struct */
+	/* initialize qe_ep struct */
 	for (i = 0; i < USB_MAX_ENDPOINTS ; i++) {
-		/*because the ep type isn't decide here so
+		/* because the ep type isn't decide here so
 		 * qe_ep_init() should be called in ep_enable() */
 
 		/* setup the qe_ep struct and link ep.ep.list
@@ -2536,7 +2558,7 @@ static int __devinit qe_udc_probe(struct of_device *ofdev,
 	if (ret)
 		goto err2;
 
-	/* create a buf for ZLP send */
+	/* create a buf for ZLP send, need to remain zeroed */
 	udc_controller->nullbuf = kzalloc(256, GFP_KERNEL);
 	if (udc_controller->nullbuf == NULL) {
 		dev_dbg(udc_controller->dev, "cannot alloc nullbuf\n");
@@ -2544,6 +2566,13 @@ static int __devinit qe_udc_probe(struct of_device *ofdev,
 		goto err3;
 	}
 
+	/* buffer for data of get_status request */
+	udc_controller->statusbuf = kzalloc(2, GFP_KERNEL);
+	if (udc_controller->statusbuf == NULL) {
+		ret = -ENOMEM;
+		goto err4;
+	}
+
 	udc_controller->nullp = virt_to_phys((void *)udc_controller->nullbuf);
 	if (udc_controller->nullp == DMA_ADDR_INVALID) {
 		udc_controller->nullp = dma_map_single(
@@ -2568,20 +2597,21 @@ static int __devinit qe_udc_probe(struct of_device *ofdev,
 	if (ret) {
 		dev_err(udc_controller->dev, "cannot request irq %d err %d \n",
 			udc_controller->usb_irq, ret);
-		goto err4;
+		goto err5;
 	}
 
 	ret = device_add(&udc_controller->gadget.dev);
 	if (ret)
-		goto err5;
+		goto err6;
 
 	dev_info(udc_controller->dev,
-			"QE/CPM USB controller initialized as device\n");
+			"%s USB controller initialized as device\n",
+			(udc_controller->soc_type == PORT_QE) ? "QE" : "CPM");
 	return 0;
 
-err5:
+err6:
 	free_irq(udc_controller->usb_irq, udc_controller);
-err4:
+err5:
 	if (udc_controller->nullmap) {
 		dma_unmap_single(udc_controller->gadget.dev.parent,
 			udc_controller->nullp, 256,
@@ -2592,6 +2622,8 @@ err4:
 			udc_controller->nullp, 256,
 				DMA_TO_DEVICE);
 	}
+	kfree(udc_controller->statusbuf);
+err4:
 	kfree(udc_controller->nullbuf);
 err3:
 	ep = &udc_controller->eps[0];
@@ -2642,6 +2674,7 @@ static int __devexit qe_udc_remove(struct of_device *ofdev)
 			udc_controller->nullp, 256,
 				DMA_TO_DEVICE);
 	}
+	kfree(udc_controller->statusbuf);
 	kfree(udc_controller->nullbuf);
 
 	ep = &udc_controller->eps[0];
diff --git a/drivers/usb/gadget/fsl_qe_udc.h b/drivers/usb/gadget/fsl_qe_udc.h
index b4c07a22e8e..31b2710882e 100644
--- a/drivers/usb/gadget/fsl_qe_udc.h
+++ b/drivers/usb/gadget/fsl_qe_udc.h
@@ -349,6 +349,7 @@ struct qe_udc {
 	u32 c_end;
 
 	u8 *nullbuf;
+	u8 *statusbuf;
 	dma_addr_t nullp;
 	u8 nullmap;
 	u8 device_address;	/* Device USB address */
-- 
GitLab


From 15d5a9acb1df1e22a7ba60aaaad758d9d71e5ea7 Mon Sep 17 00:00:00 2001
From: Li Yang <leoli@freescale.com>
Date: Wed, 24 Sep 2008 15:50:27 +0800
Subject: [PATCH 1231/2224] usb/fsl_qe_udc: clear data toggle on clear halt
 request

Fix to comply with USB spec.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/fsl_qe_udc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index d9aad6894b3..1fe8b44787b 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -1815,6 +1815,10 @@ static int qe_ep_set_halt(struct usb_ep *_ep, int value)
 		udc->ep0_state = WAIT_FOR_SETUP;
 		udc->ep0_dir = 0;
 	}
+
+	/* set data toggle to DATA0 on clear halt */
+	if (value == 0)
+		ep->data01 = 0;
 out:
 	dev_vdbg(udc->dev, "%s %s halt stat %d\n", ep->ep.name,
 			value ?  "set" : "clear", status);
-- 
GitLab


From 1817b1692a2eab022e805d32e910f4556c89dce8 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1232/2224] USB: remove warn() macro from usb input drivers

USB should not be having it's own printk macros, so remove warn() and
use the system-wide standard of dev_warn() wherever possible.  In the
few places that will not work out, use a basic printk().

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/input/joystick/iforce/iforce-ff.c     | 36 ++++++++++++-------
 drivers/input/joystick/iforce/iforce-main.c   | 14 ++++----
 .../input/joystick/iforce/iforce-packets.c    |  8 +++--
 drivers/input/joystick/iforce/iforce-usb.c    |  2 +-
 drivers/input/misc/ati_remote.c               | 14 ++++----
 drivers/input/tablet/aiptek.c                 | 13 ++++---
 6 files changed, 52 insertions(+), 35 deletions(-)

diff --git a/drivers/input/joystick/iforce/iforce-ff.c b/drivers/input/joystick/iforce/iforce-ff.c
index 7839b7b6fa9..0de9a0943a9 100644
--- a/drivers/input/joystick/iforce/iforce-ff.c
+++ b/drivers/input/joystick/iforce/iforce-ff.c
@@ -197,13 +197,16 @@ static unsigned char find_button(struct iforce *iforce, signed short button)
  * Analyse the changes in an effect, and tell if we need to send an condition
  * parameter packet
  */
-static int need_condition_modifier(struct ff_effect *old, struct ff_effect *new)
+static int need_condition_modifier(struct iforce *iforce,
+				   struct ff_effect *old,
+				   struct ff_effect *new)
 {
 	int ret = 0;
 	int i;
 
 	if (new->type != FF_SPRING && new->type != FF_FRICTION) {
-		warn("bad effect type in need_condition_modifier");
+		dev_warn(&iforce->dev->dev, "bad effect type in %s\n",
+			 __func__);
 		return 0;
 	}
 
@@ -222,10 +225,13 @@ static int need_condition_modifier(struct ff_effect *old, struct ff_effect *new)
  * Analyse the changes in an effect, and tell if we need to send a magnitude
  * parameter packet
  */
-static int need_magnitude_modifier(struct ff_effect *old, struct ff_effect *effect)
+static int need_magnitude_modifier(struct iforce *iforce,
+				   struct ff_effect *old,
+				   struct ff_effect *effect)
 {
 	if (effect->type != FF_CONSTANT) {
-		warn("bad effect type in need_envelope_modifier");
+		dev_warn(&iforce->dev->dev, "bad effect type in %s\n",
+			 __func__);
 		return 0;
 	}
 
@@ -236,7 +242,8 @@ static int need_magnitude_modifier(struct ff_effect *old, struct ff_effect *effe
  * Analyse the changes in an effect, and tell if we need to send an envelope
  * parameter packet
  */
-static int need_envelope_modifier(struct ff_effect *old, struct ff_effect *effect)
+static int need_envelope_modifier(struct iforce *iforce, struct ff_effect *old,
+				  struct ff_effect *effect)
 {
 	switch (effect->type) {
 	case FF_CONSTANT:
@@ -256,7 +263,8 @@ static int need_envelope_modifier(struct ff_effect *old, struct ff_effect *effec
 		break;
 
 	default:
-		warn("bad effect type in need_envelope_modifier");
+		dev_warn(&iforce->dev->dev, "bad effect type in %s\n",
+			 __func__);
 	}
 
 	return 0;
@@ -266,10 +274,12 @@ static int need_envelope_modifier(struct ff_effect *old, struct ff_effect *effec
  * Analyse the changes in an effect, and tell if we need to send a periodic
  * parameter effect
  */
-static int need_period_modifier(struct ff_effect *old, struct ff_effect *new)
+static int need_period_modifier(struct iforce *iforce, struct ff_effect *old,
+				struct ff_effect *new)
 {
 	if (new->type != FF_PERIODIC) {
-		warn("bad effect type in need_period_modifier");
+		dev_warn(&iforce->dev->dev, "bad effect type in %s\n",
+			 __func__);
 		return 0;
 	}
 	return (old->u.periodic.period != new->u.periodic.period
@@ -355,7 +365,7 @@ int iforce_upload_periodic(struct iforce *iforce, struct ff_effect *effect, stru
 	int param2_err = 1;
 	int core_err = 0;
 
-	if (!old || need_period_modifier(old, effect)) {
+	if (!old || need_period_modifier(iforce, old, effect)) {
 		param1_err = make_period_modifier(iforce, mod1_chunk,
 			old != NULL,
 			effect->u.periodic.magnitude, effect->u.periodic.offset,
@@ -365,7 +375,7 @@ int iforce_upload_periodic(struct iforce *iforce, struct ff_effect *effect, stru
 		set_bit(FF_MOD1_IS_USED, core_effect->flags);
 	}
 
-	if (!old || need_envelope_modifier(old, effect)) {
+	if (!old || need_envelope_modifier(iforce, old, effect)) {
 		param2_err = make_envelope_modifier(iforce, mod2_chunk,
 			old !=NULL,
 			effect->u.periodic.envelope.attack_length,
@@ -425,7 +435,7 @@ int iforce_upload_constant(struct iforce *iforce, struct ff_effect *effect, stru
 	int param2_err = 1;
 	int core_err = 0;
 
-	if (!old || need_magnitude_modifier(old, effect)) {
+	if (!old || need_magnitude_modifier(iforce, old, effect)) {
 		param1_err = make_magnitude_modifier(iforce, mod1_chunk,
 			old != NULL,
 			effect->u.constant.level);
@@ -434,7 +444,7 @@ int iforce_upload_constant(struct iforce *iforce, struct ff_effect *effect, stru
 		set_bit(FF_MOD1_IS_USED, core_effect->flags);
 	}
 
-	if (!old || need_envelope_modifier(old, effect)) {
+	if (!old || need_envelope_modifier(iforce, old, effect)) {
 		param2_err = make_envelope_modifier(iforce, mod2_chunk,
 			old != NULL,
 			effect->u.constant.envelope.attack_length,
@@ -487,7 +497,7 @@ int iforce_upload_condition(struct iforce *iforce, struct ff_effect *effect, str
 		default: return -1;
 	}
 
-	if (!old || need_condition_modifier(old, effect)) {
+	if (!old || need_condition_modifier(iforce, old, effect)) {
 		param_err = make_condition_modifier(iforce, mod1_chunk,
 			old != NULL,
 			effect->u.condition[0].right_saturation,
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index 61ee6e38739..baabf830264 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -218,7 +218,9 @@ static void iforce_release(struct input_dev *dev)
 		/* Check: no effects should be present in memory */
 		for (i = 0; i < dev->ff->max_effects; i++) {
 			if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
-				warn("iforce_release: Device still owns effects");
+				dev_warn(&dev->dev,
+					"%s: Device still owns effects\n",
+					__func__);
 				break;
 			}
 		}
@@ -335,26 +337,26 @@ int iforce_init_device(struct iforce *iforce)
 	if (!iforce_get_id_packet(iforce, "M"))
 		input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
-		warn("Device does not respond to id packet M");
+		dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n");
 
 	if (!iforce_get_id_packet(iforce, "P"))
 		input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
-		warn("Device does not respond to id packet P");
+		dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n");
 
 	if (!iforce_get_id_packet(iforce, "B"))
 		iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
 	else
-		warn("Device does not respond to id packet B");
+		dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n");
 
 	if (!iforce_get_id_packet(iforce, "N"))
 		ff_effects = iforce->edata[1];
 	else
-		warn("Device does not respond to id packet N");
+		dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n");
 
 	/* Check if the device can store more effects than the driver can really handle */
 	if (ff_effects > IFORCE_EFFECTS_MAX) {
-		warn("Limiting number of effects to %d (device reports %d)",
+		dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n",
 		       IFORCE_EFFECTS_MAX, ff_effects);
 		ff_effects = IFORCE_EFFECTS_MAX;
 	}
diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c
index 015b50aa76f..a17b5001600 100644
--- a/drivers/input/joystick/iforce/iforce-packets.c
+++ b/drivers/input/joystick/iforce/iforce-packets.c
@@ -65,7 +65,8 @@ int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data)
 
 
 	if (CIRC_SPACE(head, tail, XMIT_SIZE) < n+2) {
-		warn("not enough space in xmit buffer to send new packet");
+		dev_warn(&iforce->dev->dev,
+			 "not enough space in xmit buffer to send new packet\n");
 		spin_unlock_irqrestore(&iforce->xmit_lock, flags);
 		return -1;
 	}
@@ -148,7 +149,7 @@ static int mark_core_as_ready(struct iforce *iforce, unsigned short addr)
 			return 0;
 		}
 	}
-	warn("unused effect %04x updated !!!", addr);
+	dev_warn(&iforce->dev->dev, "unused effect %04x updated !!!\n", addr);
 	return -1;
 }
 
@@ -159,7 +160,8 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data)
 	static int being_used = 0;
 
 	if (being_used)
-		warn("re-entrant call to iforce_process %d", being_used);
+		dev_warn(&iforce->dev->dev,
+			 "re-entrant call to iforce_process %d\n", being_used);
 	being_used++;
 
 #ifdef CONFIG_JOYSTICK_IFORCE_232
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index 851cc4087c2..f83185aeb51 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -64,7 +64,7 @@ void iforce_usb_xmit(struct iforce *iforce)
 
 	if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) {
 		clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
-		warn("usb_submit_urb failed %d\n", n);
+		dev_warn(&iforce->dev->dev, "usb_submit_urb failed %d\n", n);
 	}
 
 	/* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended.
diff --git a/drivers/input/misc/ati_remote.c b/drivers/input/misc/ati_remote.c
index debfc1af9d9..428ecd3294a 100644
--- a/drivers/input/misc/ati_remote.c
+++ b/drivers/input/misc/ati_remote.c
@@ -285,7 +285,6 @@ static const struct {
 };
 
 /* Local function prototypes */
-static void ati_remote_dump		(unsigned char *data, unsigned int actual_length);
 static int ati_remote_open		(struct input_dev *inputdev);
 static void ati_remote_close		(struct input_dev *inputdev);
 static int ati_remote_sendpacket	(struct ati_remote *ati_remote, u16 cmd, unsigned char *data);
@@ -307,15 +306,16 @@ static struct usb_driver ati_remote_driver = {
 /*
  *	ati_remote_dump_input
  */
-static void ati_remote_dump(unsigned char *data, unsigned int len)
+static void ati_remote_dump(struct device *dev, unsigned char *data,
+			    unsigned int len)
 {
 	if ((len == 1) && (data[0] != (unsigned char)0xff) && (data[0] != 0x00))
-		warn("Weird byte 0x%02x", data[0]);
+		dev_warn(dev, "Weird byte 0x%02x\n", data[0]);
 	else if (len == 4)
-		warn("Weird key %02x %02x %02x %02x",
+		dev_warn(dev, "Weird key %02x %02x %02x %02x\n",
 		     data[0], data[1], data[2], data[3]);
 	else
-		warn("Weird data, len=%d %02x %02x %02x %02x %02x %02x ...",
+		dev_warn(dev, "Weird data, len=%d %02x %02x %02x %02x %02x %02x ...\n",
 		     len, data[0], data[1], data[2], data[3], data[4], data[5]);
 }
 
@@ -470,7 +470,7 @@ static void ati_remote_input_report(struct urb *urb)
 	/* Deal with strange looking inputs */
 	if ( (urb->actual_length != 4) || (data[0] != 0x14) ||
 		((data[3] & 0x0f) != 0x00) ) {
-		ati_remote_dump(data, urb->actual_length);
+		ati_remote_dump(&urb->dev->dev, data, urb->actual_length);
 		return;
 	}
 
@@ -814,7 +814,7 @@ static void ati_remote_disconnect(struct usb_interface *interface)
 	ati_remote = usb_get_intfdata(interface);
 	usb_set_intfdata(interface, NULL);
 	if (!ati_remote) {
-		warn("%s - null device?\n", __func__);
+		dev_warn(&interface->dev, "%s - null device?\n", __func__);
 		return;
 	}
 
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index e53c838f186..1aa82e8af61 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1706,20 +1706,21 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	aiptek = kzalloc(sizeof(struct aiptek), GFP_KERNEL);
 	inputdev = input_allocate_device();
 	if (!aiptek || !inputdev) {
-		warn("aiptek: cannot allocate memory or input device");
+		dev_warn(&intf->dev,
+			 "cannot allocate memory or input device\n");
 		goto fail1;
         }
 
 	aiptek->data = usb_buffer_alloc(usbdev, AIPTEK_PACKET_LENGTH,
 					GFP_ATOMIC, &aiptek->data_dma);
         if (!aiptek->data) {
-		warn("aiptek: cannot allocate usb buffer");
+		dev_warn(&intf->dev, "cannot allocate usb buffer\n");
 		goto fail1;
 	}
 
 	aiptek->urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!aiptek->urb) {
-	        warn("aiptek: cannot allocate urb");
+	        dev_warn(&intf->dev, "cannot allocate urb\n");
 		goto fail2;
 	}
 
@@ -1864,7 +1865,8 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	 */
 	err = sysfs_create_group(&intf->dev.kobj, &aiptek_attribute_group);
 	if (err) {
-		warn("aiptek: cannot create sysfs group err: %d", err);
+		dev_warn(&intf->dev, "cannot create sysfs group err: %d\n",
+			 err);
 		goto fail3;
         }
 
@@ -1872,7 +1874,8 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	 */
 	err = input_register_device(aiptek->inputdev);
 	if (err) {
-		warn("aiptek: input_register_device returned err: %d", err);
+		dev_warn(&intf->dev,
+			 "input_register_device returned err: %d\n", err);
 		goto fail4;
         }
 	return 0;
-- 
GitLab


From aa82661baf8a48379355ffa8bf162b07cf487600 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1233/2224] USB: remove warn() macro from usb media drivers

USB should not be having it's own printk macros, so remove warn() and
use the system-wide standard of dev_warn() wherever possible.  In the
few places that will not work out, use a basic printk().

Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/media/radio/dsbr100.c                 | 13 ++++++++-----
 drivers/media/video/dabusb.c                  |  4 ++--
 drivers/media/video/ov511.c                   | 19 ++++++++++++-------
 drivers/media/video/usbvideo/konicawc.c       |  8 +++++---
 .../media/video/usbvideo/quickcam_messenger.c | 14 ++++++++------
 5 files changed, 35 insertions(+), 23 deletions(-)

diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index 66783fffe4c..78f56944e64 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -310,7 +310,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 
 	radio->curfreq = f->frequency;
 	if (dsbr100_setfreq(radio, radio->curfreq)==-1)
-		warn("Set frequency failed");
+		dev_warn(&radio->usbdev->dev, "Set frequency failed\n");
 	return 0;
 }
 
@@ -361,12 +361,14 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	case V4L2_CID_AUDIO_MUTE:
 		if (ctrl->value) {
 			if (dsbr100_stop(radio) == -1) {
-				warn("Radio did not respond properly");
+				dev_warn(&radio->usbdev->dev,
+					 "Radio did not respond properly\n");
 				return -EBUSY;
 			}
 		} else {
 			if (dsbr100_start(radio) == -1) {
-				warn("Radio did not respond properly");
+				dev_warn(&radio->usbdev->dev,
+					 "Radio did not respond properly\n");
 				return -EBUSY;
 			}
 		}
@@ -416,7 +418,8 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
 	radio->muted = 1;
 
 	if (dsbr100_start(radio)<0) {
-		warn("Radio did not start up properly");
+		dev_warn(&radio->usbdev->dev,
+			 "Radio did not start up properly\n");
 		radio->users = 0;
 		unlock_kernel();
 		return -EIO;
@@ -501,7 +504,7 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
 	radio->curfreq = FREQ_MIN*FREQ_MUL;
 	video_set_drvdata(radio->videodev, radio);
 	if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr) < 0) {
-		warn("Could not register video device");
+		dev_warn(&intf->dev, "Could not register video device\n");
 		video_device_release(radio->videodev);
 		kfree(radio->transfer_buffer);
 		kfree(radio);
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index 3aa538afcc0..298810d5262 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -192,7 +192,7 @@ static void dabusb_iso_complete (struct urb *purb)
 					err("dabusb_iso_complete: invalid len %d", len);
 			}
 			else
-				warn("dabusb_iso_complete: corrupted packet status: %d", purb->iso_frame_desc[i].status);
+				dev_warn(&purb->dev->dev, "dabusb_iso_complete: corrupted packet status: %d\n", purb->iso_frame_desc[i].status);
 		if (dst != purb->actual_length)
 			err("dst!=purb->actual_length:%d!=%d", dst, purb->actual_length);
 	}
@@ -289,7 +289,7 @@ static int dabusb_bulk (pdabusb_t s, pbulk_transfer_t pb)
 	}
 
 	if( ret == -EPIPE ) {
-		warn("CLEAR_FEATURE request to remove STALL condition.");
+		dev_warn(&s->usbdev->dev, "CLEAR_FEATURE request to remove STALL condition.\n");
 		if(usb_clear_halt(s->usbdev, usb_pipeendpoint(pipe)))
 			err("request failed");
 	}
diff --git a/drivers/media/video/ov511.c b/drivers/media/video/ov511.c
index 935d73de57b..210f1240b33 100644
--- a/drivers/media/video/ov511.c
+++ b/drivers/media/video/ov511.c
@@ -1098,9 +1098,10 @@ ov51x_clear_snapshot(struct usb_ov511 *ov)
 		reg_w(ov, R51x_SYS_SNAP, 0x02);
 		reg_w(ov, R51x_SYS_SNAP, 0x00);
 	} else if (ov->bclass == BCL_OV518) {
-		warn("snapshot reset not supported yet on OV518(+)");
+		dev_warn(&ov->dev->dev,
+			 "snapshot reset not supported yet on OV518(+)\n");
 	} else {
-		err("clear snap: invalid bridge type");
+		dev_err(&ov->dev->dev, "clear snap: invalid bridge type\n");
 	}
 }
 
@@ -1115,14 +1116,16 @@ ov51x_check_snapshot(struct usb_ov511 *ov)
 	if (ov->bclass == BCL_OV511) {
 		ret = reg_r(ov, R51x_SYS_SNAP);
 		if (ret < 0) {
-			err("Error checking snspshot status (%d)", ret);
+			dev_err(&ov->dev->dev,
+				"Error checking snspshot status (%d)\n", ret);
 		} else if (ret & 0x08) {
 			status = 1;
 		}
 	} else if (ov->bclass == BCL_OV518) {
-		warn("snapshot check not supported yet on OV518(+)");
+		dev_warn(&ov->dev->dev,
+			 "snapshot check not supported yet on OV518(+)\n");
 	} else {
-		err("check snap: invalid bridge type");
+		dev_err(&ov->dev->dev, "clear snap: invalid bridge type\n");
 	}
 
 	return status;
@@ -5217,7 +5220,8 @@ saa7111a_configure(struct usb_ov511 *ov)
 	if (ov->bclass == BCL_OV511)
 		reg_w(ov, 0x11, 0x00);
 	else
-		warn("SAA7111A not yet supported with OV518/OV518+");
+		dev_warn(&ov->dev->dev,
+			 "SAA7111A not yet supported with OV518/OV518+\n");
 
 	return 0;
 }
@@ -5456,7 +5460,8 @@ ov518_configure(struct usb_ov511 *ov)
 	 * required. OV518 has no uncompressed mode, to save RAM. */
 	if (!dumppix && !ov->compress) {
 		ov->compress = 1;
-		warn("Compression required with OV518...enabling");
+		dev_warn(&ov->dev->dev,
+			 "Compression required with OV518...enabling\n");
 	}
 
 	if (ov->bridge == BRG_OV518) {
diff --git a/drivers/media/video/usbvideo/konicawc.c b/drivers/media/video/usbvideo/konicawc.c
index e986c28b7bb..da27a528798 100644
--- a/drivers/media/video/usbvideo/konicawc.c
+++ b/drivers/media/video/usbvideo/konicawc.c
@@ -229,7 +229,8 @@ static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev
 
 	cam->input = input_dev = input_allocate_device();
 	if (!input_dev) {
-		warn("Not enough memory for camera's input device\n");
+		dev_warn(&dev->dev,
+			 "Not enough memory for camera's input device\n");
 		return;
 	}
 
@@ -243,8 +244,9 @@ static void konicawc_register_input(struct konicawc *cam, struct usb_device *dev
 
 	error = input_register_device(cam->input);
 	if (error) {
-		warn("Failed to register camera's input device, err: %d\n",
-		     error);
+		dev_warn(&dev->dev,
+			 "Failed to register camera's input device, err: %d\n",
+			 error);
 		input_free_device(cam->input);
 		cam->input = NULL;
 	}
diff --git a/drivers/media/video/usbvideo/quickcam_messenger.c b/drivers/media/video/usbvideo/quickcam_messenger.c
index 05c61b52311..4459b8a7f81 100644
--- a/drivers/media/video/usbvideo/quickcam_messenger.c
+++ b/drivers/media/video/usbvideo/quickcam_messenger.c
@@ -93,7 +93,7 @@ static void qcm_register_input(struct qcm *cam, struct usb_device *dev)
 
 	cam->input = input_dev = input_allocate_device();
 	if (!input_dev) {
-		warn("insufficient mem for cam input device");
+		dev_warn(&dev->dev, "insufficient mem for cam input device\n");
 		return;
 	}
 
@@ -107,8 +107,9 @@ static void qcm_register_input(struct qcm *cam, struct usb_device *dev)
 
 	error = input_register_device(cam->input);
 	if (error) {
-		warn("Failed to register camera's input device, err: %d\n",
-		     error);
+		dev_warn(&dev->dev,
+			 "Failed to register camera's input device, err: %d\n",
+			 error);
 		input_free_device(cam->input);
 		cam->input = NULL;
 	}
@@ -587,8 +588,9 @@ static int qcm_compress_iso(struct uvd *uvd, struct urb *dataurb)
 			dataurb->iso_frame_desc[i].offset;
 
 		if (st < 0) {
-			warn("Data error: packet=%d. len=%d. status=%d.",
-			      i, n, st);
+			dev_warn(&uvd->dev->dev,
+				 "Data error: packet=%d. len=%d. status=%d.\n",
+				 i, n, st);
 			uvd->stats.iso_err_count++;
 			continue;
 		}
@@ -699,7 +701,7 @@ static void qcm_stop_data(struct uvd *uvd)
 
 	ret = qcm_camera_off(uvd);
 	if (ret)
-		warn("couldn't turn the cam off.");
+		dev_warn(&uvd->dev->dev, "couldn't turn the cam off.\n");
 
 	uvd->streaming = 0;
 
-- 
GitLab


From 4dc8994806a812044e48514af60d4b4e0315f237 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1234/2224] USB: remove warn() macro from usb net drivers

USB should not be having it's own printk macros, so remove warn() and
use the system-wide standard of dev_warn() wherever possible.  In the
few places that will not work out, use a basic printk().

Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/net/irda/stir4200.c | 10 +++++-----
 drivers/net/usb/catc.c      |  5 +++--
 drivers/net/usb/kaweth.c    |  8 ++++----
 drivers/net/usb/rtl8150.c   | 16 ++++++++--------
 4 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c
index 05196378274..148ce2803b0 100644
--- a/drivers/net/irda/stir4200.c
+++ b/drivers/net/irda/stir4200.c
@@ -506,7 +506,7 @@ static int change_speed(struct stir_cb *stir, unsigned speed)
 			goto found;
 	}
 
-	warn("%s: invalid speed %d", stir->netdev->name, speed);
+	dev_warn(&stir->netdev->dev, "invalid speed %d\n", speed);
 	return -EINVAL;
 
  found:
@@ -598,8 +598,8 @@ static int fifo_txwait(struct stir_cb *stir, int space)
 		err = read_reg(stir, REG_FIFOCTL, stir->fifo_status, 
 				   FIFO_REGS_SIZE);
 		if (unlikely(err != FIFO_REGS_SIZE)) {
-			warn("%s: FIFO register read error: %d", 
-			     stir->netdev->name, err);
+			dev_warn(&stir->netdev->dev,
+				 "FIFO register read error: %d\n", err);
 
 			return err;
 		}
@@ -836,8 +836,8 @@ static void stir_rcv_irq(struct urb *urb)
 
 	/* in case of error, the kernel thread will restart us */
 	if (err) {
-		warn("%s: usb receive submit error: %d",
-			stir->netdev->name, err);
+		dev_warn(&stir->netdev->dev, "usb receive submit error: %d\n",
+			 err);
 		stir->receiving = 0;
 		wake_up_process(stir->thread);
 	}
diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 22c17bbacb6..92ff9c83d9f 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -456,7 +456,7 @@ static void catc_tx_timeout(struct net_device *netdev)
 {
 	struct catc *catc = netdev_priv(netdev);
 
-	warn("Transmit timed out.");
+	dev_warn(&netdev->dev, "Transmit timed out.\n");
 	usb_unlink_urb(catc->tx_urb);
 }
 
@@ -847,7 +847,8 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id
 			dbg("64k Memory\n");
 			break;
 		default:
-			warn("Couldn't detect memory size, assuming 32k");
+			dev_warn(&intf->dev,
+				 "Couldn't detect memory size, assuming 32k\n");
 		case 0x87654321:
 			catc_set_reg(catc, TxBufCount, 4);
 			catc_set_reg(catc, RxBufCount, 16);
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index d6829db51b4..4f7a0106781 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -832,7 +832,7 @@ static int kaweth_start_xmit(struct sk_buff *skb, struct net_device *net)
 
 	if((res = usb_submit_urb(kaweth->tx_urb, GFP_ATOMIC)))
 	{
-		warn("kaweth failed tx_urb %d", res);
+		dev_warn(&net->dev, "kaweth failed tx_urb %d\n", res);
 skip:
 		kaweth->stats.tx_errors++;
 
@@ -924,7 +924,7 @@ static void kaweth_tx_timeout(struct net_device *net)
 {
 	struct kaweth_device *kaweth = netdev_priv(net);
 
-	warn("%s: Tx timed out. Resetting.", net->name);
+	dev_warn(&net->dev, "%s: Tx timed out. Resetting.\n", net->name);
 	kaweth->stats.tx_errors++;
 	net->trans_start = jiffies;
 
@@ -1209,7 +1209,7 @@ static void kaweth_disconnect(struct usb_interface *intf)
 
 	usb_set_intfdata(intf, NULL);
 	if (!kaweth) {
-		warn("unregistering non-existant device");
+		dev_warn(&intf->dev, "unregistering non-existant device\n");
 		return;
 	}
 	netdev = kaweth->net;
@@ -1269,7 +1269,7 @@ static int usb_start_wait_urb(struct urb *urb, int timeout, int* actual_length)
 
 	if (!wait_event_timeout(awd.wqh, awd.done, timeout)) {
                 // timeout
-                warn("usb_control/bulk_msg: timeout");
+                dev_warn(&urb->dev->dev, "usb_control/bulk_msg: timeout\n");
                 usb_kill_urb(urb);  // remove urb safely
                 status = -ETIMEDOUT;
         }
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index df56a518691..7726b5e8676 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -221,7 +221,7 @@ static void ctrl_callback(struct urb *urb)
 	case -ENOENT:
 		break;
 	default:
-		warn("ctrl urb status %d", urb->status);
+		dev_warn(&urb->dev->dev, "ctrl urb status %d\n", urb->status);
 	}
 	dev = urb->context;
 	clear_bit(RX_REG_SET, &dev->flags);
@@ -441,10 +441,10 @@ static void read_bulk_callback(struct urb *urb)
 	case -ENOENT:
 		return;	/* the urb is in unlink state */
 	case -ETIME:
-		warn("may be reset is needed?..");
+		dev_warn(&urb->dev->dev, "may be reset is needed?..\n");
 		goto goon;
 	default:
-		warn("Rx status %d", urb->status);
+		dev_warn(&urb->dev->dev, "Rx status %d\n", urb->status);
 		goto goon;
 	}
 
@@ -665,7 +665,7 @@ static int enable_net_traffic(rtl8150_t * dev)
 	u8 cr, tcr, rcr, msr;
 
 	if (!rtl8150_reset(dev)) {
-		warn("%s - device reset failed", __FUNCTION__);
+		dev_warn(&dev->udev->dev, "device reset failed\n");
 	}
 	/* RCR bit7=1 attach Rx info at the end;  =0 HW CRC (which is broken) */
 	rcr = 0x9e;
@@ -699,7 +699,7 @@ static struct net_device_stats *rtl8150_netdev_stats(struct net_device *dev)
 static void rtl8150_tx_timeout(struct net_device *netdev)
 {
 	rtl8150_t *dev = netdev_priv(netdev);
-	warn("%s: Tx timeout.", netdev->name);
+	dev_warn(&netdev->dev, "Tx timeout.\n");
 	usb_unlink_urb(dev->tx_urb);
 	dev->stats.tx_errors++;
 }
@@ -740,7 +740,7 @@ static int rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 		if (res == -ENODEV)
 			netif_device_detach(dev->netdev);
 		else {
-			warn("failed tx_urb %d\n", res);
+			dev_warn(&netdev->dev, "failed tx_urb %d\n", res);
 			dev->stats.tx_errors++;
 			netif_start_queue(netdev);
 		}
@@ -783,7 +783,7 @@ static int rtl8150_open(struct net_device *netdev)
 	if ((res = usb_submit_urb(dev->rx_urb, GFP_KERNEL))) {
 		if (res == -ENODEV)
 			netif_device_detach(dev->netdev);
-		warn("%s: rx_urb submit failed: %d", __FUNCTION__, res);
+		dev_warn(&netdev->dev, "rx_urb submit failed: %d\n", res);
 		return res;
 	}
 	usb_fill_int_urb(dev->intr_urb, dev->udev, usb_rcvintpipe(dev->udev, 3),
@@ -792,7 +792,7 @@ static int rtl8150_open(struct net_device *netdev)
 	if ((res = usb_submit_urb(dev->intr_urb, GFP_KERNEL))) {
 		if (res == -ENODEV)
 			netif_device_detach(dev->netdev);
-		warn("%s: intr_urb submit failed: %d", __FUNCTION__, res);
+		dev_warn(&netdev->dev, "intr_urb submit failed: %d\n", res);
 		usb_kill_urb(dev->rx_urb);
 		return res;
 	}
-- 
GitLab


From 3b6004f3b5a8b4506fa8dee29667aed44913a990 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1235/2224] USB: remove warn() macro from usb drivers

USB should not be having it's own printk macros, so remove warn() and
use the system-wide standard of dev_warn() wherever possible.  In the
few places that will not work out, use a basic printk().

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/atm/usbatm.c   | 10 +++++-----
 drivers/usb/atm/usbatm.h   | 10 ++++++++--
 drivers/usb/atm/xusbatm.c  |  2 +-
 drivers/usb/core/devio.c   |  3 ++-
 drivers/usb/core/inode.c   |  6 ++++--
 drivers/usb/core/message.c |  3 ++-
 drivers/usb/image/mdc800.c |  8 +++++---
 drivers/usb/misc/usblcd.c  |  2 +-
 drivers/usb/misc/uss720.c  |  7 ++++---
 9 files changed, 32 insertions(+), 19 deletions(-)

diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 0da2c25bab3..06dd114910d 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -344,7 +344,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char
 				__func__, sarb->len, vcc);
 		/* discard cells already received */
 		skb_trim(sarb, 0);
-		UDSL_ASSERT(sarb->tail + ATM_CELL_PAYLOAD <= sarb->end);
+		UDSL_ASSERT(instance, sarb->tail + ATM_CELL_PAYLOAD <= sarb->end);
 	}
 
 	memcpy(skb_tail_pointer(sarb), source + ATM_CELL_HEADER, ATM_CELL_PAYLOAD);
@@ -432,7 +432,7 @@ static void usbatm_extract_cells(struct usbatm_data *instance,
 		unsigned char *cell_buf = instance->cell_buf;
 		unsigned int space_left = stride - buf_usage;
 
-		UDSL_ASSERT(buf_usage <= stride);
+		UDSL_ASSERT(instance, buf_usage <= stride);
 
 		if (avail_data >= space_left) {
 			/* add new data and process cell */
@@ -475,7 +475,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance,
 	unsigned int stride = instance->tx_channel.stride;
 
 	vdbg("%s: skb->len=%d, avail_space=%u", __func__, skb->len, avail_space);
-	UDSL_ASSERT(!(avail_space % stride));
+	UDSL_ASSERT(instance, !(avail_space % stride));
 
 	for (bytes_written = 0; bytes_written < avail_space && ctrl->len;
 	     bytes_written += stride, target += stride) {
@@ -547,7 +547,7 @@ static void usbatm_rx_process(unsigned long data)
 				if (!urb->iso_frame_desc[i].status) {
 					unsigned int actual_length = urb->iso_frame_desc[i].actual_length;
 
-					UDSL_ASSERT(actual_length <= packet_size);
+					UDSL_ASSERT(instance, actual_length <= packet_size);
 
 					if (!merge_length)
 						merge_start = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset;
@@ -1188,7 +1188,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id,
 		struct urb *urb;
 		unsigned int iso_packets = usb_pipeisoc(channel->endpoint) ? channel->buf_size / channel->packet_size : 0;
 
-		UDSL_ASSERT(!usb_pipeisoc(channel->endpoint) || usb_pipein(channel->endpoint));
+		UDSL_ASSERT(instance, !usb_pipeisoc(channel->endpoint) || usb_pipein(channel->endpoint));
 
 		urb = usb_alloc_urb(iso_packets, GFP_KERNEL);
 		if (!urb) {
diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h
index e6887c6cf3c..f6f4508a9d4 100644
--- a/drivers/usb/atm/usbatm.h
+++ b/drivers/usb/atm/usbatm.h
@@ -40,9 +40,15 @@
 */
 
 #ifdef DEBUG
-#define UDSL_ASSERT(x)	BUG_ON(!(x))
+#define UDSL_ASSERT(instance, x)	BUG_ON(!(x))
 #else
-#define UDSL_ASSERT(x)	do { if (!(x)) warn("failed assertion '%s' at line %d", __stringify(x), __LINE__); } while(0)
+#define UDSL_ASSERT(instance, x)					\
+	do {	\
+		if (!(x))						\
+			dev_warn(&(instance)->usb_intf->dev,		\
+				 "failed assertion '%s' at line %d",	\
+				 __stringify(x), __LINE__);		\
+	} while(0)
 #endif
 
 #define usb_err(instance, format, arg...)	\
diff --git a/drivers/usb/atm/xusbatm.c b/drivers/usb/atm/xusbatm.c
index 8472543eee8..17d167bbd2d 100644
--- a/drivers/usb/atm/xusbatm.c
+++ b/drivers/usb/atm/xusbatm.c
@@ -193,7 +193,7 @@ static int __init xusbatm_init(void)
 	    num_vendor != num_product ||
 	    num_vendor != num_rx_endpoint ||
 	    num_vendor != num_tx_endpoint) {
-		warn("malformed module parameters");
+		printk(KERN_WARNING "xusbatm: malformed module parameters\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 528befdcc78..7f621149f9f 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -413,7 +413,8 @@ static void driver_disconnect(struct usb_interface *intf)
 	if (likely(ifnum < 8*sizeof(ps->ifclaimed)))
 		clear_bit(ifnum, &ps->ifclaimed);
 	else
-		warn("interface number %u out of range", ifnum);
+		dev_warn(&intf->dev, "interface number %u out of range\n",
+			 ifnum);
 
 	usb_set_intfdata(intf, NULL);
 
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 77fa7a08080..2cf2dc8528d 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -240,7 +240,9 @@ static void update_sb(struct super_block *sb)
 				update_special(bus);
 				break;
 			default:
-				warn("Unknown node %s mode %x found on remount!\n",bus->d_name.name,bus->d_inode->i_mode);
+				printk(KERN_WARNING "usbfs: Unknown node %s "
+				       "mode %x found on remount!\n",
+				       bus->d_name.name, bus->d_inode->i_mode);
 				break;
 			}
 		}
@@ -259,7 +261,7 @@ static int remount(struct super_block *sb, int *flags, char *data)
 		return 0;
 
 	if (parse_options(sb, data)) {
-		warn("usbfs: mount parameter error:");
+		printk(KERN_WARNING "usbfs: mount parameter error.\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index 286b4431a09..887738577b2 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1204,7 +1204,8 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
 
 	alt = usb_altnum_to_altsetting(iface, alternate);
 	if (!alt) {
-		warn("selecting invalid altsetting %d", alternate);
+		dev_warn(&dev->dev, "selecting invalid altsetting %d",
+			 alternate);
 		return -EINVAL;
 	}
 
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index 0fb114ca1eb..228552beb53 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -361,7 +361,8 @@ static int mdc800_usb_waitForIRQ (int mode, int msec)
 	
 	if (mdc800->state == NOT_CONNECTED)
 	{
-		warn ("Camera gets disconnected during waiting for irq.");
+		printk(KERN_WARNING "mdc800: Camera gets disconnected "
+		       "during waiting for irq.\n");
 		mdc800->camera_request_ready=0;
 		return -2;
 	}
@@ -443,7 +444,7 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 
 	if (mdc800->dev != NULL)
 	{
-		warn ("only one Mustek MDC800 is supported.");
+		dev_warn(&intf->dev, "only one Mustek MDC800 is supported.\n");
 		return -ENODEV;
 	}
 
@@ -701,7 +702,8 @@ static ssize_t mdc800_device_read (struct file *file, char __user *buf, size_t l
 	}
 	if (mdc800->state == WORKING)
 	{
-		warn ("Illegal State \"working\" reached during read ?!");
+		printk(KERN_WARNING "mdc800: Illegal State \"working\""
+		       "reached during read ?!\n");
 		mutex_unlock(&mdc800->io_lock);
 		return -EBUSY;
 	}
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index 2db4228fbb0..d589324bb0d 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -311,7 +311,7 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
 	dev->interface = interface;
 
 	if (le16_to_cpu(dev->udev->descriptor.idProduct) != 0x0001) {
-		warn(KERN_INFO "USBLCD model not supported.");
+		dev_warn(&interface->dev, "USBLCD model not supported.\n");
 		return -ENODEV;
 	}
 	
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index f1255b0a182..594f3e4e8c2 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -228,11 +228,12 @@ static int get_1284_register(struct parport *pp, unsigned char reg, unsigned cha
 		ret = rq->urb->status;
 		*val = priv->reg[(reg >= 9) ? 0 : regindex[reg]];
 		if (ret)
-			warn("get_1284_register: usb error %d", ret);
+			printk(KERN_WARNING "get_1284_register: "
+			       "usb error %d\n", ret);
 		kref_put(&rq->ref_count, destroy_async);
 		return ret;
 	}
-	warn("get_1284_register timeout");
+	printk(KERN_WARNING "get_1284_register timeout\n");
 	kill_all_async_requests_priv(priv);
 	return -EIO;
 }
@@ -716,7 +717,7 @@ static int uss720_probe(struct usb_interface *intf,
 	spin_lock_init(&priv->asynclock);
 	INIT_LIST_HEAD(&priv->asynclist);
 	if (!(pp = parport_register_port(0, PARPORT_IRQ_NONE, PARPORT_DMA_NONE, &parport_uss720_ops))) {
-		warn("could not register parport");
+		printk(KERN_WARNING "uss720: could not register parport\n");
 		goto probe_abort;
 	}
 
-- 
GitLab


From 46fcaec505d957c87b2f3820314f9e4dc0631777 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 15 Oct 2008 11:30:07 -0700
Subject: [PATCH 1236/2224] USB: remove warn macro from HID core

There were two stragglers that got missed in the last merge of the HID tree that forgot to change the warn() calls to dev_warn().  This patch fixes them up.

Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/hid/usbhid/hid-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 1d3b8a394d4..705a43cdeea 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -428,7 +428,7 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns
 		usbhid->out[usbhid->outhead].raw_report = kmalloc(len, GFP_ATOMIC);
 		if (!usbhid->out[usbhid->outhead].raw_report) {
 			spin_unlock_irqrestore(&usbhid->outlock, flags);
-			warn("output queueing failed");
+			dev_warn(&hid->dev, "output queueing failed\n");
 			return;
 		}
 		hid_output_report(report, usbhid->out[usbhid->outhead].raw_report);
@@ -455,7 +455,7 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns
 		usbhid->ctrl[usbhid->ctrlhead].raw_report = kmalloc(len, GFP_ATOMIC);
 		if (!usbhid->ctrl[usbhid->ctrlhead].raw_report) {
 			spin_unlock_irqrestore(&usbhid->ctrllock, flags);
-			warn("control queueing failed");
+			dev_warn(&hid->dev, "control queueing failed\n");
 			return;
 		}
 		hid_output_report(report, usbhid->ctrl[usbhid->ctrlhead].raw_report);
-- 
GitLab


From c197a8db59daf06dc5e77acd5a9681329cb22458 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 18 Aug 2008 13:21:04 -0700
Subject: [PATCH 1237/2224] USB: remove info() macro from usb/serial drivers

USB should not be having it's own printk macros, so remove info() and
use the system-wide standard of dev_info() wherever possible.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/belkin_sa.c        |  5 +++--
 drivers/usb/serial/cp2101.c           |  3 ++-
 drivers/usb/serial/cyberjack.c        |  5 +++--
 drivers/usb/serial/cypress_m8.c       |  3 ++-
 drivers/usb/serial/digi_acceleport.c  |  3 ++-
 drivers/usb/serial/empeg.c            |  3 ++-
 drivers/usb/serial/ftdi_sio.c         | 11 +++++++----
 drivers/usb/serial/garmin_gps.c       |  3 ++-
 drivers/usb/serial/hp4x.c             |  3 ++-
 drivers/usb/serial/io_edgeport.c      |  3 ++-
 drivers/usb/serial/io_ti.c            |  3 ++-
 drivers/usb/serial/ipaq.c             |  3 ++-
 drivers/usb/serial/ipw.c              |  3 ++-
 drivers/usb/serial/ir-usb.c           |  3 ++-
 drivers/usb/serial/iuu_phoenix.c      |  3 ++-
 drivers/usb/serial/keyspan.c          |  3 ++-
 drivers/usb/serial/keyspan_pda.c      |  3 ++-
 drivers/usb/serial/kl5kusb105.c       | 23 ++++++++++++-----------
 drivers/usb/serial/kobil_sct.c        |  4 ++--
 drivers/usb/serial/mct_u232.c         |  3 ++-
 drivers/usb/serial/mos7720.c          |  3 ++-
 drivers/usb/serial/mos7840.c          |  3 ++-
 drivers/usb/serial/omninet.c          |  3 ++-
 drivers/usb/serial/option.c           |  3 ++-
 drivers/usb/serial/pl2303.c           |  2 +-
 drivers/usb/serial/safe_serial.c      | 13 ++++++-------
 drivers/usb/serial/sierra.c           |  3 ++-
 drivers/usb/serial/spcp8x5.c          |  3 ++-
 drivers/usb/serial/ti_usb_3410_5052.c |  3 ++-
 drivers/usb/serial/usb-serial.c       |  7 ++++---
 drivers/usb/serial/visor.c            | 15 +++++++++------
 drivers/usb/serial/whiteheat.c        |  8 +++++---
 32 files changed, 96 insertions(+), 63 deletions(-)

diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 1913bc7c5f0..bb19f1c2e0d 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -187,7 +187,7 @@ static int belkin_sa_startup(struct usb_serial *serial)
 	/* see comments at top of file */
 	priv->bad_flow_control =
 		(le16_to_cpu(dev->descriptor.bcdDevice) <= 0x0206) ? 1 : 0;
-	info("bcdDevice: %04x, bfc: %d",
+	dev_info(&dev->dev, "bcdDevice: %04x, bfc: %d\n",
 					le16_to_cpu(dev->descriptor.bcdDevice),
 					priv->bad_flow_control);
 
@@ -577,7 +577,8 @@ static int __init belkin_sa_init(void)
 	retval = usb_register(&belkin_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&belkin_device);
diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c
index 1279553381e..8008d0bc80a 100644
--- a/drivers/usb/serial/cp2101.c
+++ b/drivers/usb/serial/cp2101.c
@@ -753,7 +753,8 @@ static int __init cp2101_init(void)
 	}
 
 	/* Success */
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 94ef36c4764..068680f9929 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -499,8 +499,9 @@ static int __init cyberjack_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION " " DRIVER_AUTHOR);
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION " "
+	       DRIVER_AUTHOR "\n");
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index f3514a91f91..e0ca809f75f 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1658,7 +1658,8 @@ static int __init cypress_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 
 failed_usb_register:
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 5756ac6d6c9..ebc2918719a 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1854,7 +1854,8 @@ static int __init digi_init(void)
 	retval = usb_register(&digi_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&digi_acceleport_4_device);
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index 1072e847280..fdd28e940bc 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -519,7 +519,8 @@ static int __init empeg_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 89dab5c3682..bcadb1f4f5d 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1154,7 +1154,7 @@ static void ftdi_determine_type(struct usb_serial_port *port)
 		/* Assume its an FT232R  */
 		priv->chip_type = FT232RL;
 	}
-	info("Detected %s", ftdi_chip_name[priv->chip_type]);
+	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
 }
 
 
@@ -1410,7 +1410,8 @@ static int ftdi_jtag_probe(struct usb_serial *serial)
 	dbg("%s", __func__);
 
 	if (interface == udev->actconfig->interface[0]) {
-		info("Ignoring serial port reserved for JTAG");
+		dev_info(&udev->dev,
+			 "Ignoring serial port reserved for JTAG\n");
 		return -ENODEV;
 	}
 
@@ -1428,7 +1429,8 @@ static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
 
 	if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
 		ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
-		info("Fixing invalid wMaxPacketSize on read pipe");
+		dev_info(&serial->dev->dev,
+			 "Fixing invalid wMaxPacketSize on read pipe\n");
 	}
 
 	return 0;
@@ -2426,7 +2428,8 @@ static int __init ftdi_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&ftdi_sio_device);
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 2ad0569bcf1..8e6a66e38db 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1585,7 +1585,8 @@ static int __init garmin_init(void)
 	retval = usb_register(&garmin_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/hp4x.c b/drivers/usb/serial/hp4x.c
index ab905869e95..43132927513 100644
--- a/drivers/usb/serial/hp4x.c
+++ b/drivers/usb/serial/hp4x.c
@@ -63,7 +63,8 @@ static int __init hp49gp_init(void)
 	retval = usb_register(&hp49gp_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&hp49gp_device);
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 611f97fd62f..eb95efdfbe8 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -3253,7 +3253,8 @@ static int __init edgeport_init(void)
 	if (retval)
 		goto failed_usb_register;
 	atomic_set(&CmdUrbs, 0);
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 
 failed_usb_register:
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 541dd8e6e7a..c3cdd00ddc4 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2978,7 +2978,8 @@ static int __init edgeport_init(void)
 	retval = usb_register(&io_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&edgeport_2port_device);
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index 2affa9c118b..5108cbc64a5 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -976,7 +976,6 @@ static int __init ipaq_init(void)
 	retval = usb_serial_register(&ipaq_device);
 	if (retval)
 		goto failed_usb_serial_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
 	if (vendor) {
 		ipaq_id_table[0].idVendor = vendor;
 		ipaq_id_table[0].idProduct = product;
@@ -985,6 +984,8 @@ static int __init ipaq_init(void)
 	if (retval)
 		goto failed_usb_register;
 
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&ipaq_device);
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 480cac27d64..3ac59a8a980 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -485,7 +485,8 @@ static int usb_ipw_init(void)
 		usb_serial_deregister(&ipw_device);
 		return retval;
 	}
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 45d4043e04a..b679a556b98 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -602,7 +602,8 @@ static int __init ir_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 53710aa7ead..e320972cb22 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -1185,7 +1185,8 @@ static int __init iuu_init(void)
 	retval = usb_register(&iuu_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&iuu_device);
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 15447af4869..9878c0fb385 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -217,7 +217,8 @@ static int __init keyspan_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 99e9a14c5bf..2928ba84439 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -874,7 +874,8 @@ static int __init keyspan_pda_init(void)
 	retval = usb_register(&keyspan_pda_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 #ifdef XIRCOM
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index ff3a07f5102..573c6972fae 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -183,11 +183,10 @@ static int klsi_105_chg_port_settings(struct usb_serial_port *port,
 			KLSI_TIMEOUT);
 	if (rc < 0)
 		err("Change port settings failed (error = %d)", rc);
-	info("%s - %d byte block, baudrate %x, databits %d, u1 %d, u2 %d",
-	    __func__,
-	    settings->pktlen,
-	    settings->baudrate, settings->databits,
-	    settings->unknown1, settings->unknown2);
+	dev_info(&port->serial->dev->dev,
+		 "%d byte block, baudrate %x, databits %d, u1 %d, u2 %d\n",
+		 settings->pktlen, settings->baudrate, settings->databits,
+		 settings->unknown1, settings->unknown2);
 	return rc;
 } /* klsi_105_chg_port_settings */
 
@@ -215,7 +214,7 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
 	__u8 status_buf[KLSI_STATUSBUF_LEN] = { -1, -1};
 	__u16 status;
 
-	info("%s - sending SIO Poll request", __func__);
+	dev_info(&port->serial->dev->dev, "sending SIO Poll request\n");
 	rc = usb_control_msg(port->serial->dev,
 			     usb_rcvctrlpipe(port->serial->dev, 0),
 			     KL5KUSB105A_SIO_POLL,
@@ -230,8 +229,8 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
 	else {
 		status = get_unaligned_le16(status_buf);
 
-		info("%s - read status %x %x", __func__,
-		     status_buf[0], status_buf[1]);
+		dev_info(&port->serial->dev->dev, "read status %x %x",
+			 status_buf[0], status_buf[1]);
 
 		*line_state_p = klsi_105_status2linestate(status);
 	}
@@ -475,8 +474,9 @@ static void klsi_105_close(struct tty_struct *tty,
 	/* FIXME */
 	/* wgg - do I need this? I think so. */
 	usb_kill_urb(port->interrupt_in_urb);
-	info("kl5kusb105 port stats: %ld bytes in, %ld bytes out",
-					priv->bytes_in, priv->bytes_out);
+	dev_info(&port->serial->dev->dev,
+		 "port stats: %ld bytes in, %ld bytes out\n",
+		 priv->bytes_in, priv->bytes_out);
 } /* klsi_105_close */
 
 
@@ -960,7 +960,8 @@ static int __init klsi_105_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&kl5kusb105d_device);
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index cfcf37c2b95..6286baad939 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -744,8 +744,8 @@ static int __init kobil_init(void)
 	if (retval)
 		goto failed_usb_register;
 
-	info(DRIVER_VERSION " " DRIVER_AUTHOR);
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 9b2cef81cde..29fa66ea2d2 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -817,7 +817,8 @@ static int __init mct_u232_init(void)
 	retval = usb_register(&mct_u232_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&mct_u232_device);
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 7b538caec37..5711aa55d24 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1585,7 +1585,8 @@ static int __init moschip7720_init(void)
 	if (retval)
 		goto failed_port_device_register;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* Register with the usb */
 	retval = usb_register(&usb_driver);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 60543d79ef5..d5f682626e7 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2743,7 +2743,8 @@ static int __init moschip7840_init(void)
 		goto failed_port_device_register;
 
 	dbg("%s\n", "Entring...");
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* Register with the usb */
 	retval = usb_register(&io_driver);
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index c4d70b0f1e4..9890f26cd91 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -364,7 +364,8 @@ static int __init omninet_init(void)
 	retval = usb_register(&omninet_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&zyxel_omninet_device);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 0d18a40a154..3d87eabcd92 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -420,7 +420,8 @@ static int __init option_init(void)
 	if (retval)
 		goto failed_driver_register;
 
-	info(DRIVER_DESC ": " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 90843784716..491c8857b64 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -1147,7 +1147,7 @@ static int __init pl2303_init(void)
 	retval = usb_register(&pl2303_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&pl2303_device);
diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c
index 72903ac9f5c..40cff61cb4a 100644
--- a/drivers/usb/serial/safe_serial.c
+++ b/drivers/usb/serial/safe_serial.c
@@ -250,8 +250,8 @@ static void safe_read_bulk_callback(struct urb *urb)
 		if (!fcs) {
 			int actual_length = data[length - 2] >> 2;
 			if (actual_length <= (length - 2)) {
-				info("%s - actual: %d", __func__,
-							actual_length);
+				dev_info(&urb->dev->dev, "%s - actual: %d\n",
+					 __func__, actual_length);
 				tty_insert_flip_string(tty,
 							data, actual_length);
 				tty_flip_buffer_push(tty);
@@ -428,14 +428,13 @@ static int __init safe_init(void)
 {
 	int i, retval;
 
-	info(DRIVER_VERSION " " DRIVER_AUTHOR);
-	info(DRIVER_DESC);
-	info("vendor: %x product: %x safe: %d padded: %d\n",
-					vendor, product, safe, padded);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* if we have vendor / product parameters patch them into id list */
 	if (vendor || product) {
-		info("vendor: %x product: %x\n", vendor, product);
+		printk(KERN_INFO KBUILD_MODNAME ": vendor: %x product: %x\n",
+		       vendor, product);
 
 		for (i = 0; i < ARRAY_SIZE(id_table); i++) {
 			if (!id_table[i].idVendor && !id_table[i].idProduct) {
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 6794e5721df..0f2b67244af 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -750,7 +750,8 @@ static int __init sierra_init(void)
 	if (retval)
 		goto failed_driver_register;
 
-	info(DRIVER_DESC ": " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 1533d6e1223..96aeec74619 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -1054,7 +1054,8 @@ static int __init spcp8x5_init(void)
 	retval = usb_register(&spcp8x5_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&spcp8x5_device);
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index a9523b8348d..31c42d1cae1 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -382,7 +382,8 @@ static int __init ti_init(void)
 	if (ret)
 		goto failed_usb;
 
-	info(TI_DRIVER_DESC " " TI_DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " TI_DRIVER_VERSION ":"
+	       TI_DRIVER_DESC "\n");
 
 	return 0;
 
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index e7d4246027b..92ba4f7361e 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1160,7 +1160,7 @@ static int __init usb_serial_init(void)
 		goto exit_generic;
 	}
 
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
 	return result;
 
@@ -1237,7 +1237,7 @@ int usb_serial_register(struct usb_serial_driver *driver)
 						retval, driver->description);
 		list_del(&driver->driver_list);
 	} else
-		info("USB Serial support registered for %s",
+		printk(KERN_INFO "USB Serial support registered for %s\n",
 						driver->description);
 
 	return retval;
@@ -1248,7 +1248,8 @@ EXPORT_SYMBOL_GPL(usb_serial_register);
 void usb_serial_deregister(struct usb_serial_driver *device)
 {
 	/* must be called with BKL held */
-	info("USB Serial deregistering driver %s", device->description);
+	printk(KERN_INFO "USB Serial deregistering driver %s\n",
+	       device->description);
 	list_del(&device->driver_list);
 	usb_serial_bus_deregister(device);
 }
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index a6d1c75a1c8..de4b5f0e7f3 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -971,11 +971,14 @@ static int __init visor_init(void)
 				break;
 			}
 		}
-		info(
-		  "Untested USB device specified at time of module insertion");
-		info("Warning: This is not guaranteed to work");
-		info("Using a newer kernel is preferred to this method");
-		info("Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x",
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Untested USB device specified at time of module insertion\n");
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Warning: This is not guaranteed to work\n");
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Using a newer kernel is preferred to this method\n");
+		printk(KERN_INFO KBUILD_MODNAME
+		       ": Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x\n",
 			vendor, product);
 	}
 	retval = usb_serial_register(&handspring_device);
@@ -990,7 +993,7 @@ static int __init visor_init(void)
 	retval = usb_register(&visor_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
 	return 0;
 failed_usb_register:
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 11c8b97a517..39f7f8d291d 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -452,8 +452,9 @@ static int whiteheat_attach(struct usb_serial *serial)
 
 	hw_info = (struct whiteheat_hw_info *)&result[1];
 
-	info("%s: Driver %s: Firmware v%d.%02d", serial->type->description,
-	     DRIVER_VERSION, hw_info->sw_major_rev, hw_info->sw_minor_rev);
+	dev_info(&serial->dev->dev, "%s: Driver %s: Firmware v%d.%02d\n",
+		 serial->type->description, DRIVER_VERSION,
+		 hw_info->sw_major_rev, hw_info->sw_minor_rev);
 
 	for (i = 0; i < serial->num_ports; i++) {
 		port = serial->port[i];
@@ -1556,7 +1557,8 @@ static int __init whiteheat_init(void)
 	retval = usb_register(&whiteheat_driver);
 	if (retval)
 		goto failed_usb_register;
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 failed_usb_register:
 	usb_serial_deregister(&whiteheat_device);
-- 
GitLab


From 1b29a375fb0b79a11a2d18e7bf5f6da422a35025 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 18 Aug 2008 13:21:04 -0700
Subject: [PATCH 1238/2224] USB: remove info() macro from usb/misc drivers

USB should not be having it's own printk macros, so remove info() and
use the system-wide standard of dev_info() wherever possible.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/misc/adutux.c         |  5 +++--
 drivers/usb/misc/cytherm.c        |  3 ++-
 drivers/usb/misc/emi26.c          |  4 ++--
 drivers/usb/misc/emi62.c          |  4 ++--
 drivers/usb/misc/idmouse.c        |  5 +++--
 drivers/usb/misc/legousbtower.c   | 23 +++++++++++++----------
 drivers/usb/misc/rio500.c         | 11 ++++++-----
 drivers/usb/misc/trancevibrator.c |  3 ++-
 drivers/usb/misc/usblcd.c         | 11 ++++++-----
 drivers/usb/misc/uss720.c         | 12 ++++++++----
 10 files changed, 47 insertions(+), 34 deletions(-)

diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 965f6eaea6a..92f58ccc8fb 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -895,8 +895,9 @@ static int __init adu_init(void)
 		goto exit;
 	}
 
-	info("adutux " DRIVER_DESC " " DRIVER_VERSION);
-	info("adutux is an experimental driver. Use at your own risk");
+	printk(KERN_INFO "adutux " DRIVER_DESC " " DRIVER_VERSION "\n");
+	printk(KERN_INFO "adutux is an experimental driver. "
+	       "Use at your own risk\n");
 
 exit:
 	dbg(2," %s : leave, return value %d", __func__, result);
diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c
index 1cd9e7eba93..68e1d172387 100644
--- a/drivers/usb/misc/cytherm.c
+++ b/drivers/usb/misc/cytherm.c
@@ -428,7 +428,8 @@ static int __init usb_cytherm_init(void)
 		return result;
 	}
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 4b994a0cd27..1ee72055f46 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -64,7 +64,7 @@ static int emi26_writememory (struct usb_device *dev, int address,
 static int emi26_set_reset (struct usb_device *dev, unsigned char reset_bit)
 {
 	int response;
-	info("%s - %d", __func__, reset_bit);
+	dev_info(&dev->dev, "%s - %d\n", __func__, reset_bit);
 	/* printk(KERN_DEBUG "%s - %d", __func__, reset_bit); */
 	response = emi26_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0);
 	if (response < 0) {
@@ -254,7 +254,7 @@ static int emi26_probe(struct usb_interface *intf, const struct usb_device_id *i
 {
 	struct usb_device *dev = interface_to_usbdev(intf);
 
-	info("%s start", __func__);
+	dev_info(&intf->dev, "%s start\n", __func__);
 
 	emi26_load_firmware(dev);
 
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index 5d859ded5bb..602ee05ba9f 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -73,7 +73,7 @@ static int emi62_writememory(struct usb_device *dev, int address,
 static int emi62_set_reset (struct usb_device *dev, unsigned char reset_bit)
 {
 	int response;
-	info("%s - %d", __func__, reset_bit);
+	dev_info(&dev->dev, "%s - %d\n", __func__, reset_bit);
 	
 	response = emi62_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0);
 	if (response < 0) {
@@ -271,7 +271,7 @@ static int emi62_probe(struct usb_interface *intf, const struct usb_device_id *i
 	struct usb_device *dev = interface_to_usbdev(intf);
 	dev_dbg(&intf->dev, "emi62_probe\n");
 
-	info("%s start", __func__);
+	dev_info(&intf->dev, "%s start\n", __func__);
 
 	emi62_load_firmware(dev);
 
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 4bcf7fb4e5d..6da8887538c 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -403,14 +403,15 @@ static void idmouse_disconnect(struct usb_interface *interface)
 		mutex_unlock(&dev->lock);
 	}
 
-	info("%s disconnected", DRIVER_DESC);
+	dev_info(&interface->dev, "disconnected\n");
 }
 
 static int __init usb_idmouse_init(void)
 {
 	int result;
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	/* register this driver with the USB subsystem */
 	result = usb_register(&idmouse_driver);
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index 9370326a594..ab0f3226158 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -851,9 +851,8 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 
 	dbg(2, "%s: enter", __func__);
 
-	if (udev == NULL) {
-		info ("udev is NULL.");
-	}
+	if (udev == NULL)
+		dev_info(&interface->dev, "udev is NULL.\n");
 
 	/* allocate memory for our device state and initialize it */
 
@@ -954,7 +953,9 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 	dev->minor = interface->minor;
 
 	/* let the user know what node this device is now attached to */
-	info ("LEGO USB Tower #%d now attached to major %d minor %d", (dev->minor - LEGO_USB_TOWER_MINOR_BASE), USB_MAJOR, dev->minor);
+	dev_info(&interface->dev, "LEGO USB Tower #%d now attached to major "
+		 "%d minor %d\n", (dev->minor - LEGO_USB_TOWER_MINOR_BASE),
+		 USB_MAJOR, dev->minor);
 
 	/* get the firmware version and log it */
 	result = usb_control_msg (udev,
@@ -971,10 +972,10 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 		retval = result;
 		goto error;
 	}
-	info("LEGO USB Tower firmware version is %d.%d build %d",
-	     get_version_reply.major,
-	     get_version_reply.minor,
-	     le16_to_cpu(get_version_reply.build_no));
+	dev_info(&interface->dev, "LEGO USB Tower firmware version is %d.%d "
+		 "build %d\n", get_version_reply.major,
+		 get_version_reply.minor,
+		 le16_to_cpu(get_version_reply.build_no));
 
 
 exit:
@@ -1021,7 +1022,8 @@ static void tower_disconnect (struct usb_interface *interface)
 		mutex_unlock(&dev->lock);
 	}
 
-	info("LEGO USB Tower #%d now disconnected", (minor - LEGO_USB_TOWER_MINOR_BASE));
+	dev_info(&interface->dev, "LEGO USB Tower #%d now disconnected\n",
+		 (minor - LEGO_USB_TOWER_MINOR_BASE));
 
 	dbg(2, "%s: leave", __func__);
 }
@@ -1046,7 +1048,8 @@ static int __init lego_usb_tower_init(void)
 		goto exit;
 	}
 
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 exit:
 	dbg(2, "%s: leave, return value %d", __func__, retval);
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
index 248a12aacef..deb95bb49fd 100644
--- a/drivers/usb/misc/rio500.c
+++ b/drivers/usb/misc/rio500.c
@@ -89,7 +89,7 @@ static int open_rio(struct inode *inode, struct file *file)
 
 	mutex_unlock(&(rio->lock));
 
-	info("Rio opened.");
+	dev_info(&rio->rio_dev->dev, "Rio opened.\n");
 
 	return 0;
 }
@@ -100,7 +100,7 @@ static int close_rio(struct inode *inode, struct file *file)
 
 	rio->isopen = 0;
 
-	info("Rio closed.");
+	dev_info(&rio->rio_dev->dev, "Rio closed.\n");
 	return 0;
 }
 
@@ -451,7 +451,7 @@ static int probe_rio(struct usb_interface *intf,
 	struct rio_usb_data *rio = &rio_instance;
 	int retval;
 
-	info("USB Rio found at address %d", dev->devnum);
+	dev_info(&intf->dev, "USB Rio found at address %d\n", dev->devnum);
 
 	retval = usb_register_dev(intf, &usb_rio_class);
 	if (retval) {
@@ -503,7 +503,7 @@ static void disconnect_rio(struct usb_interface *intf)
 		kfree(rio->ibuf);
 		kfree(rio->obuf);
 
-		info("USB Rio disconnected.");
+		dev_info(&intf->dev, "USB Rio disconnected.\n");
 
 		rio->present = 0;
 		mutex_unlock(&(rio->lock));
@@ -531,7 +531,8 @@ static int __init usb_rio_init(void)
 	if (retval)
 		goto out;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 out:
 	return retval;
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 03368edf3f2..2e14102955c 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -144,7 +144,8 @@ static int __init tv_init(void)
 		return retval;
 	}
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return 0;
 }
 
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index d589324bb0d..e0ff9ccd866 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -359,12 +359,13 @@ static int lcd_probe(struct usb_interface *interface, const struct usb_device_id
 
 	i = le16_to_cpu(dev->udev->descriptor.bcdDevice);
 
-	info("USBLCD Version %1d%1d.%1d%1d found at address %d",
-		(i & 0xF000)>>12,(i & 0xF00)>>8,(i & 0xF0)>>4,(i & 0xF),
-		dev->udev->devnum);
+	dev_info(&interface->dev, "USBLCD Version %1d%1d.%1d%1d found "
+		 "at address %d\n", (i & 0xF000)>>12, (i & 0xF00)>>8,
+		 (i & 0xF0)>>4,(i & 0xF), dev->udev->devnum);
 
 	/* let the user know what node this device is now attached to */
-	info("USB LCD device now attached to USBLCD-%d", interface->minor);
+	dev_info(&interface->dev, "USB LCD device now attached to USBLCD-%d\n",
+		 interface->minor);
 	return 0;
 
 error:
@@ -413,7 +414,7 @@ static void lcd_disconnect(struct usb_interface *interface)
 	/* decrement our usage count */
 	kref_put(&dev->kref, lcd_delete);
 
-	info("USB LCD #%d now disconnected", minor);
+	dev_info(&interface->dev, "USB LCD #%d now disconnected\n", minor);
 }
 
 static struct usb_driver lcd_driver = {
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 594f3e4e8c2..9a6c27a0179 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -801,10 +801,14 @@ static int __init uss720_init(void)
 	if (retval)
 		goto out;
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
-	info("NOTE: this is a special purpose driver to allow nonstandard");
-	info("protocols (eg. bitbang) over USS720 usb to parallel cables");
-	info("If you just want to connect to a printer, use usblp instead");
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
+	printk(KERN_INFO KBUILD_MODNAME ": NOTE: this is a special purpose "
+	       "driver to allow nonstandard\n");
+	printk(KERN_INFO KBUILD_MODNAME ": protocols (eg. bitbang) over "
+	       "USS720 usb to parallel cables\n");
+	printk(KERN_INFO KBUILD_MODNAME ": If you just want to connect to a "
+	       "printer, use usblp instead\n");
 out:
 	return retval;
 }
-- 
GitLab


From 5909f6ea2bc7f785ceb1bed14c670946a536ff2d Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 18 Aug 2008 13:21:04 -0700
Subject: [PATCH 1239/2224] USB: remove info() macro from remaining usb drivers

USB should not be having it's own printk macros, so remove info() and
use the system-wide standard of dev_info() wherever possible.  In the
few places that will not work out, use a basic printk().

Clean up the remaining usages of this in the drivers/usb/ directory.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/class/cdc-acm.c     |  3 ++-
 drivers/usb/host/r8a66597-hcd.c | 13 ++++++++-----
 drivers/usb/image/mdc800.c      |  7 ++++---
 3 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index c257453fa9d..d9c2b8dafd6 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1454,7 +1454,8 @@ static int __init acm_init(void)
 		return retval;
 	}
 
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 }
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 3a45ad275b4..2a9bec264ad 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -760,10 +760,12 @@ static void enable_r8a66597_pipe_dma(struct r8a66597 *r8a66597,
 			if ((r8a66597->dma_map & (1 << i)) != 0)
 				continue;
 
-			info("address %d, EndpointAddress 0x%02x use DMA FIFO",
-			     usb_pipedevice(urb->pipe),
-			     info->dir_in ? USB_ENDPOINT_DIR_MASK + info->epnum
-					    : info->epnum);
+			dev_info(&dev->udev->dev,
+				 "address %d, EndpointAddress 0x%02x use "
+				 "DMA FIFO\n", usb_pipedevice(urb->pipe),
+				 info->dir_in ?
+				 	USB_ENDPOINT_DIR_MASK + info->epnum
+					: info->epnum);
 
 			r8a66597->dma_map |= 1 << i;
 			dev->dma_map |= 1 << i;
@@ -2387,7 +2389,8 @@ static int __init r8a66597_init(void)
 	if (usb_disabled())
 		return -ENODEV;
 
-	info("driver %s, %s", hcd_name, DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": driver %s, %s\n", hcd_name,
+	       DRIVER_VERSION);
 	return platform_driver_register(&r8a66597_driver);
 }
 module_init(r8a66597_init);
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index 228552beb53..dd432c8feaf 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -489,7 +489,7 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 	}
 
 
-	info ("Found Mustek MDC800 on USB.");
+	dev_info(&intf->dev, "Found Mustek MDC800 on USB.\n");
 
 	mutex_lock(&mdc800->io_lock);
 
@@ -571,7 +571,7 @@ static void mdc800_usb_disconnect (struct usb_interface *intf)
 		mdc800->dev = NULL;
 		usb_set_intfdata(intf, NULL);
 	}
-	info ("Mustek MDC800 disconnected from USB.");
+	dev_info(&intf->dev, "Mustek MDC800 disconnected from USB.\n");
 }
 
 
@@ -1020,7 +1020,8 @@ static int __init usb_mdc800_init (void)
 	if (retval)
 		goto cleanup_on_fail;
 
-	info (DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 
 	return 0;
 
-- 
GitLab


From 880c9c66a60c0aa4fb4dac2da9679da5f8f41903 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 18 Aug 2008 13:21:04 -0700
Subject: [PATCH 1240/2224] USB: remove info() macro from usb network drivers

USB should not be having it's own printk macros, so remove info() and
use the system-wide standard of dev_info() wherever possible.

Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/net/irda/kingsun-sir.c  |  3 ++-
 drivers/net/irda/ks959-sir.c    |  3 ++-
 drivers/net/irda/ksdazzle-sir.c |  3 ++-
 drivers/net/irda/stir4200.c     |  8 +++++---
 drivers/net/usb/catc.c          |  3 ++-
 drivers/net/usb/kaweth.c        | 19 ++++++++++---------
 drivers/net/usb/rtl8150.c       | 15 +++++++++------
 7 files changed, 32 insertions(+), 22 deletions(-)

diff --git a/drivers/net/irda/kingsun-sir.c b/drivers/net/irda/kingsun-sir.c
index 73fe83be34f..e1429fc6d05 100644
--- a/drivers/net/irda/kingsun-sir.c
+++ b/drivers/net/irda/kingsun-sir.c
@@ -540,7 +540,8 @@ static int kingsun_probe(struct usb_interface *intf,
 	if (ret != 0)
 		goto free_mem;
 
-	info("IrDA: Registered KingSun/DonShine device %s", net->name);
+	dev_info(&net->dev, "IrDA: Registered KingSun/DonShine device %s\n",
+		 net->name);
 
 	usb_set_intfdata(intf, kingsun);
 
diff --git a/drivers/net/irda/ks959-sir.c b/drivers/net/irda/ks959-sir.c
index 8c257a51341..2482d61662a 100644
--- a/drivers/net/irda/ks959-sir.c
+++ b/drivers/net/irda/ks959-sir.c
@@ -801,7 +801,8 @@ static int ks959_probe(struct usb_interface *intf,
 	if (ret != 0)
 		goto free_mem;
 
-	info("IrDA: Registered KingSun KS-959 device %s", net->name);
+	dev_info(&net->dev, "IrDA: Registered KingSun KS-959 device %s\n",
+		 net->name);
 
 	usb_set_intfdata(intf, kingsun);
 
diff --git a/drivers/net/irda/ksdazzle-sir.c b/drivers/net/irda/ksdazzle-sir.c
index d01a28593ce..1e0de93fd61 100644
--- a/drivers/net/irda/ksdazzle-sir.c
+++ b/drivers/net/irda/ksdazzle-sir.c
@@ -705,7 +705,8 @@ static int ksdazzle_probe(struct usb_interface *intf,
 	if (ret != 0)
 		goto free_mem;
 
-	info("IrDA: Registered KingSun/Dazzle device %s", net->name);
+	dev_info(&net->dev, "IrDA: Registered KingSun/Dazzle device %s\n",
+		 net->name);
 
 	usb_set_intfdata(intf, kingsun);
 
diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c
index 148ce2803b0..3575804fd7c 100644
--- a/drivers/net/irda/stir4200.c
+++ b/drivers/net/irda/stir4200.c
@@ -783,8 +783,9 @@ static int stir_transmit_thread(void *arg)
 
 			if (unlikely(receive_start(stir))) {
 				if (net_ratelimit())
-					info("%s: receive usb submit failed",
-					     stir->netdev->name);
+					dev_info(&dev->dev,
+						 "%s: receive usb submit failed\n",
+						 stir->netdev->name);
 				stir->receiving = 0;
 				msleep(10);
 				continue;
@@ -1073,7 +1074,8 @@ static int stir_probe(struct usb_interface *intf,
 	if (ret != 0)
 		goto err_out2;
 
-	info("IrDA: Registered SigmaTel device %s", net->name);
+	dev_info(&intf->dev, "IrDA: Registered SigmaTel device %s\n",
+		 net->name);
 
 	usb_set_intfdata(intf, stir);
 
diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 92ff9c83d9f..466a89e2444 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -954,7 +954,8 @@ static int __init catc_init(void)
 {
 	int result = usb_register(&catc_driver);
 	if (result == 0)
-		info(DRIVER_VERSION " " DRIVER_DESC);
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+		       DRIVER_DESC "\n");
 	return result;
 }
 
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 4f7a0106781..fdbf3be24fd 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -1016,10 +1016,10 @@ static int kaweth_probe(
 	 */
 
 	if (le16_to_cpu(dev->descriptor.bcdDevice) >> 8) {
-		info("Firmware present in device.");
+		dev_info(&intf->dev, "Firmware present in device.\n");
 	} else {
 		/* Download the firmware */
-		info("Downloading firmware...");
+		dev_info(&intf->dev, "Downloading firmware...\n");
 		kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
 		if ((result = kaweth_download_firmware(kaweth,
 						      "kaweth/new_code.bin",
@@ -1061,7 +1061,7 @@ static int kaweth_probe(
 		}
 
 		/* Device will now disappear for a moment...  */
-		info("Firmware loaded.  I'll be back...");
+		dev_info(&intf->dev, "Firmware loaded.  I'll be back...\n");
 err_fw:
 		free_page((unsigned long)kaweth->firmware_buf);
 		free_netdev(netdev);
@@ -1075,10 +1075,10 @@ err_fw:
 		goto err_free_netdev;
 	}
 
-	info("Statistics collection: %x", kaweth->configuration.statistics_mask);
-	info("Multicast filter limit: %x", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
-	info("MTU: %d", le16_to_cpu(kaweth->configuration.segment_size));
-	info("Read MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
+	dev_info(&intf->dev, "Statistics collection: %x\n", kaweth->configuration.statistics_mask);
+	dev_info(&intf->dev, "Multicast filter limit: %x\n", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
+	dev_info(&intf->dev, "MTU: %d\n", le16_to_cpu(kaweth->configuration.segment_size));
+	dev_info(&intf->dev, "Read MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
 		 (int)kaweth->configuration.hw_addr[0],
 		 (int)kaweth->configuration.hw_addr[1],
 		 (int)kaweth->configuration.hw_addr[2],
@@ -1174,7 +1174,8 @@ err_fw:
 		goto err_intfdata;
 	}
 
-	info("kaweth interface created at %s", kaweth->net->name);
+	dev_info(&intf->dev, "kaweth interface created at %s\n",
+		 kaweth->net->name);
 
 	dbg("Kaweth probe returning.");
 
@@ -1205,7 +1206,7 @@ static void kaweth_disconnect(struct usb_interface *intf)
 	struct kaweth_device *kaweth = usb_get_intfdata(intf);
 	struct net_device *netdev;
 
-	info("Unregistering");
+	dev_info(&intf->dev, "Unregistering\n");
 
 	usb_set_intfdata(intf, NULL);
 	if (!kaweth) {
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 7726b5e8676..6133401ebc6 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -538,7 +538,8 @@ static void write_bulk_callback(struct urb *urb)
 	if (!netif_device_present(dev->netdev))
 		return;
 	if (urb->status)
-		info("%s: Tx status %d", dev->netdev->name, urb->status);
+		dev_info(&urb->dev->dev, "%s: Tx status %d\n",
+			 dev->netdev->name, urb->status);
 	dev->netdev->trans_start = jiffies;
 	netif_wake_queue(dev->netdev);
 }
@@ -561,7 +562,8 @@ static void intr_callback(struct urb *urb)
 		return;
 	/* -EPIPE:  should clear the halt */
 	default:
-		info("%s: intr status %d", dev->netdev->name, urb->status);
+		dev_info(&urb->dev->dev, "%s: intr status %d\n",
+			 dev->netdev->name, urb->status);
 		goto resubmit;
 	}
 
@@ -710,12 +712,12 @@ static void rtl8150_set_multicast(struct net_device *netdev)
 	netif_stop_queue(netdev);
 	if (netdev->flags & IFF_PROMISC) {
 		dev->rx_creg |= cpu_to_le16(0x0001);
-		info("%s: promiscuous mode", netdev->name);
+		dev_info(&netdev->dev, "%s: promiscuous mode\n", netdev->name);
 	} else if (netdev->mc_count ||
 		   (netdev->flags & IFF_ALLMULTI)) {
 		dev->rx_creg &= cpu_to_le16(0xfffe);
 		dev->rx_creg |= cpu_to_le16(0x0002);
-		info("%s: allmulti set", netdev->name);
+		dev_info(&netdev->dev, "%s: allmulti set\n", netdev->name);
 	} else {
 		/* ~RX_MULTICAST, ~RX_PROMISCUOUS */
 		dev->rx_creg &= cpu_to_le16(0x00fc);
@@ -947,7 +949,7 @@ static int rtl8150_probe(struct usb_interface *intf,
 		goto out2;
 	}
 
-	info("%s: rtl8150 is detected", netdev->name);
+	dev_info(&intf->dev, "%s: rtl8150 is detected\n", netdev->name);
 
 	return 0;
 
@@ -984,7 +986,8 @@ static void rtl8150_disconnect(struct usb_interface *intf)
 
 static int __init usb_rtl8150_init(void)
 {
-	info(DRIVER_DESC " " DRIVER_VERSION);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 	return usb_register(&rtl8150_driver);
 }
 
-- 
GitLab


From 899ef6e7cf2f057fcfd8071b36de04117313242b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 18 Aug 2008 13:21:04 -0700
Subject: [PATCH 1241/2224] USB: remove info() macro from usb input drivers

USB should not be having it's own printk macros, so remove info() and
use the system-wide standard of dev_info() wherever possible.

Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/input/joystick/xpad.c    |  2 +-
 drivers/input/misc/ati_remote.c  |  6 ++++--
 drivers/input/misc/yealink.c     |  3 ++-
 drivers/input/tablet/acecad.c    |  3 ++-
 drivers/input/tablet/aiptek.c    | 13 ++++++++-----
 drivers/input/tablet/gtco.c      |  4 ++--
 drivers/input/tablet/kbtab.c     |  3 ++-
 drivers/input/tablet/wacom_sys.c |  3 ++-
 8 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 839d1c9622f..b868b8d5fbb 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -911,7 +911,7 @@ static int __init usb_xpad_init(void)
 {
 	int result = usb_register(&xpad_driver);
 	if (result == 0)
-		info(DRIVER_DESC);
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
 	return result;
 }
 
diff --git a/drivers/input/misc/ati_remote.c b/drivers/input/misc/ati_remote.c
index 428ecd3294a..e290fde35e7 100644
--- a/drivers/input/misc/ati_remote.c
+++ b/drivers/input/misc/ati_remote.c
@@ -834,9 +834,11 @@ static int __init ati_remote_init(void)
 
 	result = usb_register(&ati_remote_driver);
 	if (result)
-		err("usb_register error #%d\n", result);
+		printk(KERN_ERR KBUILD_MODNAME
+		       ": usb_register error #%d\n", result);
 	else
-		info("Registered USB driver " DRIVER_DESC " v. " DRIVER_VERSION);
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+		       DRIVER_DESC "\n");
 
 	return result;
 }
diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index 11b5c7e84ed..93a22ac0f88 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -999,7 +999,8 @@ static int __init yealink_dev_init(void)
 {
 	int ret = usb_register(&yealink_driver);
 	if (ret == 0)
-		info(DRIVER_DESC ":" DRIVER_VERSION);
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+		       DRIVER_DESC "\n");
 	return ret;
 }
 
diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
index 570e0e83ac4..670c61c5a51 100644
--- a/drivers/input/tablet/acecad.c
+++ b/drivers/input/tablet/acecad.c
@@ -280,7 +280,8 @@ static int __init usb_acecad_init(void)
 {
 	int result = usb_register(&usb_acecad_driver);
 	if (result == 0)
-		info(DRIVER_VERSION ":" DRIVER_DESC);
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+		       DRIVER_DESC "\n");
 	return result;
 }
 
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 1aa82e8af61..7d005a3616d 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1844,8 +1844,9 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 		aiptek->curSetting.programmableDelay = speeds[i];
 		(void)aiptek_program_tablet(aiptek);
 		if (aiptek->inputdev->absmax[ABS_X] > 0) {
-			info("input: Aiptek using %d ms programming speed\n",
-			     aiptek->curSetting.programmableDelay);
+			dev_info(&intf->dev,
+				 "Aiptek using %d ms programming speed\n",
+				 aiptek->curSetting.programmableDelay);
 			break;
 		}
 	}
@@ -1853,7 +1854,8 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	/* Murphy says that some day someone will have a tablet that fails the
 	   above test. That's you, Frederic Rodrigo */
 	if (i == ARRAY_SIZE(speeds)) {
-		info("input: Aiptek tried all speeds, no sane response");
+		dev_info(&intf->dev,
+			 "Aiptek tried all speeds, no sane response\n");
 		goto fail2;
 	}
 
@@ -1925,8 +1927,9 @@ static int __init aiptek_init(void)
 {
 	int result = usb_register(&aiptek_driver);
 	if (result == 0) {
-		info(DRIVER_VERSION ": " DRIVER_AUTHOR);
-		info(DRIVER_DESC);
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+		       DRIVER_DESC "\n");
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_AUTHOR "\n");
 	}
 	return result;
 }
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index 7df0228e836..5524e01dbb1 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -2,7 +2,7 @@
 
 GTCO digitizer USB driver
 
-Use the err(), dbg() and info() macros from usb.h for system logging
+Use the err() and dbg() macros from usb.h for system logging
 
 TO CHECK:  Is pressure done right on report 5?
 
@@ -1010,7 +1010,7 @@ static void gtco_disconnect(struct usb_interface *interface)
 		kfree(gtco);
 	}
 
-	info("gtco driver disconnected");
+	dev_info(&interface->dev, "gtco driver disconnected\n");
 }
 
 /*   STANDARD MODULE LOAD ROUTINES  */
diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index d89112fa6e6..6682b17bf84 100644
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -215,7 +215,8 @@ static int __init kbtab_init(void)
 	retval = usb_register(&kbtab_driver);
 	if (retval)
 		goto out;
-	info(DRIVER_VERSION ":" DRIVER_DESC);
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	       DRIVER_DESC "\n");
 out:
 	return retval;
 }
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 5fbc463baf5..09e227aa0d4 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -385,7 +385,8 @@ static int __init wacom_init(void)
 	wacom_driver.id_table = get_device_table();
 	result = usb_register(&wacom_driver);
 	if (result == 0)
-		info(DRIVER_VERSION ":" DRIVER_DESC);
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+		       DRIVER_DESC "\n");
 	return result;
 }
 
-- 
GitLab


From b887265c165f94917d0f565b1883a6e7b3c8388c Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 18 Aug 2008 13:21:04 -0700
Subject: [PATCH 1242/2224] USB: remove info() macro from usb mtd drivers

USB should not be having it's own printk macros, so remove info() and
use the system-wide standard of dev_info() wherever possible.

Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/mtd/nand/alauda.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/alauda.c b/drivers/mtd/nand/alauda.c
index 257937cd99b..96238039485 100644
--- a/drivers/mtd/nand/alauda.c
+++ b/drivers/mtd/nand/alauda.c
@@ -691,7 +691,7 @@ static int alauda_probe(struct usb_interface *interface,
 	al[0].port = ALAUDA_PORT_XD;
 	al[1].port = ALAUDA_PORT_SM;
 
-	info("alauda probed");
+	dev_info(&interface->dev, "alauda probed\n");
 	alauda_check_media(al);
 	alauda_check_media(al+1);
 
@@ -716,7 +716,7 @@ static void alauda_disconnect(struct usb_interface *interface)
 	if (al)
 		kref_put(&al->kref, alauda_delete);
 
-	info("alauda gone");
+	dev_info(&interface->dev, "alauda gone");
 }
 
 static struct usb_driver alauda_driver = {
-- 
GitLab


From 194343d9364ea07c9f27c4505380a15a905e8a24 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Wed, 20 Aug 2008 16:56:34 -0700
Subject: [PATCH 1243/2224] USB: remove use of err() in drivers/usb/serial

err() is going away, so switch to dev_err() or printk() if it's really
needed.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/aircable.c        |   8 +-
 drivers/usb/serial/belkin_sa.c       |  34 ++++----
 drivers/usb/serial/cyberjack.c       |  23 +++---
 drivers/usb/serial/cypress_m8.c      |  18 +++--
 drivers/usb/serial/digi_acceleport.c |  65 +++++++++------
 drivers/usb/serial/empeg.c           |   8 +-
 drivers/usb/serial/ezusb.c           |   3 +-
 drivers/usb/serial/ftdi_sio.c        |  68 +++++++++-------
 drivers/usb/serial/io_edgeport.c     |  16 ++--
 drivers/usb/serial/ipaq.c            |  27 ++++---
 drivers/usb/serial/keyspan_pda.c     |  14 ++--
 drivers/usb/serial/kl5kusb105.c      |  46 +++++++----
 drivers/usb/serial/mct_u232.c        |  39 +++++----
 drivers/usb/serial/mos7720.c         |  19 +++--
 drivers/usb/serial/mos7840.c         |  26 +++---
 drivers/usb/serial/omninet.c         |  19 +++--
 drivers/usb/serial/safe_serial.c     |  15 ++--
 drivers/usb/serial/spcp8x5.c         |   7 +-
 drivers/usb/serial/usb-serial.c      |  19 +++--
 drivers/usb/serial/visor.c           |   2 +-
 drivers/usb/serial/whiteheat.c       | 113 ++++++++++++++++-----------
 21 files changed, 346 insertions(+), 243 deletions(-)

diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c
index 99fb7dc59c4..537f953bd7f 100644
--- a/drivers/usb/serial/aircable.c
+++ b/drivers/usb/serial/aircable.c
@@ -220,8 +220,8 @@ static void aircable_send(struct usb_serial_port *port)
 
 	buf = kzalloc(count + HCI_HEADER_LENGTH, GFP_ATOMIC);
 	if (!buf) {
-		err("%s- kzalloc(%d) failed.", __func__,
-		    count + HCI_HEADER_LENGTH);
+		dev_err(&port->dev, "%s- kzalloc(%d) failed.\n",
+			__func__, count + HCI_HEADER_LENGTH);
 		return;
 	}
 
@@ -276,7 +276,7 @@ static void aircable_read(struct work_struct *work)
 
 	if (!tty) {
 		schedule_work(&priv->rx_work);
-		err("%s - No tty available", __func__);
+		dev_err(&port->dev, "%s - No tty available\n", __func__);
 		return ;
 	}
 
@@ -336,7 +336,7 @@ static int aircable_attach(struct usb_serial *serial)
 
 	priv = kzalloc(sizeof(struct aircable_private), GFP_KERNEL);
 	if (!priv) {
-		err("%s- kmalloc(%Zd) failed.", __func__,
+		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
 			sizeof(struct aircable_private));
 		return -ENOMEM;
 	}
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index bb19f1c2e0d..b7eacad4d48 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -228,7 +228,7 @@ static int  belkin_sa_open(struct tty_struct *tty,
 	port->read_urb->dev = port->serial->dev;
 	retval = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (retval) {
-		err("usb_submit_urb(read bulk) failed");
+		dev_err(&port->dev, "usb_submit_urb(read bulk) failed\n");
 		goto exit;
 	}
 
@@ -236,7 +236,7 @@ static int  belkin_sa_open(struct tty_struct *tty,
 	retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 	if (retval) {
 		usb_kill_urb(port->read_urb);
-		err(" usb_submit_urb(read int) failed");
+		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
 	}
 
 exit:
@@ -342,8 +342,8 @@ static void belkin_sa_read_int_callback(struct urb *urb)
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		err("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		dev_err(&port->dev, "%s - usb_submit_urb failed with "
+			"result %d\n", __func__, retval);
 }
 
 static void belkin_sa_set_termios(struct tty_struct *tty,
@@ -382,12 +382,12 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 		if ((old_cflag & CBAUD) == B0) {
 			control_state |= (TIOCM_DTR|TIOCM_RTS);
 			if (BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST, 1) < 0)
-				err("Set DTR error");
+				dev_err(&port->dev, "Set DTR error\n");
 			/* don't set RTS if using hardware flow control */
 			if (!(old_cflag & CRTSCTS))
 				if (BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST
 								, 1) < 0)
-					err("Set RTS error");
+					dev_err(&port->dev, "Set RTS error\n");
 		}
 	}
 
@@ -403,18 +403,18 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 		/* Report the actual baud rate back to the caller */
 		tty_encode_baud_rate(tty, baud, baud);
 		if (BSA_USB_CMD(BELKIN_SA_SET_BAUDRATE_REQUEST, urb_value) < 0)
-			err("Set baudrate error");
+			dev_err(&port->dev, "Set baudrate error\n");
 	} else {
 		/* Disable flow control */
 		if (BSA_USB_CMD(BELKIN_SA_SET_FLOW_CTRL_REQUEST,
 						BELKIN_SA_FLOW_NONE) < 0)
-			err("Disable flowcontrol error");
+			dev_err(&port->dev, "Disable flowcontrol error\n");
 		/* Drop RTS and DTR */
 		control_state &= ~(TIOCM_DTR | TIOCM_RTS);
 		if (BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST, 0) < 0)
-			err("DTR LOW error");
+			dev_err(&port->dev, "DTR LOW error\n");
 		if (BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST, 0) < 0)
-			err("RTS LOW error");
+			dev_err(&port->dev, "RTS LOW error\n");
 	}
 
 	/* set the parity */
@@ -425,7 +425,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 		else
 			urb_value = BELKIN_SA_PARITY_NONE;
 		if (BSA_USB_CMD(BELKIN_SA_SET_PARITY_REQUEST, urb_value) < 0)
-			err("Set parity error");
+			dev_err(&port->dev, "Set parity error\n");
 	}
 
 	/* set the number of data bits */
@@ -448,7 +448,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 			break;
 		}
 		if (BSA_USB_CMD(BELKIN_SA_SET_DATA_BITS_REQUEST, urb_value) < 0)
-			err("Set data bits error");
+			dev_err(&port->dev, "Set data bits error\n");
 	}
 
 	/* set the number of stop bits */
@@ -457,7 +457,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 						: BELKIN_SA_STOP_BITS(1);
 		if (BSA_USB_CMD(BELKIN_SA_SET_STOP_BITS_REQUEST,
 							urb_value) < 0)
-			err("Set stop bits error");
+			dev_err(&port->dev, "Set stop bits error\n");
 	}
 
 	/* Set flow control */
@@ -478,7 +478,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
 			urb_value &= ~(BELKIN_SA_FLOW_IRTS);
 
 		if (BSA_USB_CMD(BELKIN_SA_SET_FLOW_CTRL_REQUEST, urb_value) < 0)
-			err("Set flow control error");
+			dev_err(&port->dev, "Set flow control error\n");
 	}
 
 	/* save off the modified port settings */
@@ -494,7 +494,7 @@ static void belkin_sa_break_ctl(struct tty_struct *tty, int break_state)
 	struct usb_serial *serial = port->serial;
 
 	if (BSA_USB_CMD(BELKIN_SA_SET_BREAK_REQUEST, break_state ? 1 : 0) < 0)
-		err("Set break_ctl %d", break_state);
+		dev_err(&port->dev, "Set break_ctl %d\n", break_state);
 }
 
 
@@ -554,13 +554,13 @@ static int belkin_sa_tiocmset(struct tty_struct *tty, struct file *file,
 
 	retval = BSA_USB_CMD(BELKIN_SA_SET_RTS_REQUEST, rts);
 	if (retval < 0) {
-		err("Set RTS error %d", retval);
+		dev_err(&port->dev, "Set RTS error %d\n", retval);
 		goto exit;
 	}
 
 	retval = BSA_USB_CMD(BELKIN_SA_SET_DTR_REQUEST, dtr);
 	if (retval < 0) {
-		err("Set DTR error %d", retval);
+		dev_err(&port->dev, "Set DTR error %d\n", retval);
 		goto exit;
 	}
 exit:
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 068680f9929..858bdd038fb 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -141,7 +141,8 @@ static int cyberjack_startup(struct usb_serial *serial)
 		result = usb_submit_urb(serial->port[i]->interrupt_in_urb,
 					GFP_KERNEL);
 		if (result)
-			err(" usb_submit_urb(read int) failed");
+			dev_err(&serial->dev->dev,
+				"usb_submit_urb(read int) failed\n");
 		dbg("%s - usb_submit_urb(int urb)", __func__);
 	}
 
@@ -274,8 +275,9 @@ static int cyberjack_write(struct tty_struct *tty,
 		/* send the data out the bulk port */
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d",
+				__func__, result);
 			/* Throw away data. No better idea what to do with it. */
 			priv->wrfilled = 0;
 			priv->wrsent = 0;
@@ -351,7 +353,9 @@ static void cyberjack_read_int_callback(struct urb *urb)
 			port->read_urb->dev = port->serial->dev;
 			result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 			if (result)
-				err("%s - failed resubmitting read urb, error %d", __func__, result);
+				dev_err(&port->dev, "%s - failed resubmitting "
+					"read urb, error %d\n",
+					__func__, result);
 			dbg("%s - usb_submit_urb(read urb)", __func__);
 		}
 	}
@@ -360,7 +364,7 @@ resubmit:
 	port->interrupt_in_urb->dev = port->serial->dev;
 	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
 	if (result)
-		err(" usb_submit_urb(read int) failed");
+		dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
 	dbg("%s - usb_submit_urb(int urb)", __func__);
 }
 
@@ -414,8 +418,8 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
 		port->read_urb->dev = port->serial->dev;
 		result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed resubmitting read urb, error %d",
-				__func__, result);
+			dev_err(&port->dev, "%s - failed resubmitting read "
+				"urb, error %d\n", __func__, result);
 		dbg("%s - usb_submit_urb(read urb)", __func__);
 	}
 }
@@ -462,8 +466,9 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
 		/* send the data out the bulk port */
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-								__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 			/* Throw away data. No better idea what to do with it. */
 			priv->wrfilled = 0;
 			priv->wrsent = 0;
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index e0ca809f75f..eae4740d448 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -404,8 +404,8 @@ static int cypress_serial_control(struct tty_struct *tty,
 			 retval != -ENODEV);
 
 		if (retval != sizeof(feature_buffer)) {
-			err("%s - failed sending serial line settings - %d",
-							__func__, retval);
+			dev_err(&port->dev, "%s - failed sending serial "
+				"line settings - %d\n", __func__, retval);
 			cypress_set_dead(port);
 		} else {
 			spin_lock_irqsave(&priv->lock, flags);
@@ -443,7 +443,8 @@ static int cypress_serial_control(struct tty_struct *tty,
 						&& retval != -ENODEV);
 
 		if (retval != sizeof(feature_buffer)) {
-			err("%s - failed to retrieve serial line settings - %d", __func__, retval);
+			dev_err(&port->dev, "%s - failed to retrieve serial "
+				"line settings - %d\n", __func__, retval);
 			cypress_set_dead(port);
 			return retval;
 		} else {
@@ -476,8 +477,8 @@ static void cypress_set_dead(struct usb_serial_port *port)
 	priv->comm_is_ok = 0;
 	spin_unlock_irqrestore(&priv->lock, flags);
 
-	err("cypress_m8 suspending failing port %d - interval might be too short",
-	    port->number);
+	dev_err(&port->dev, "cypress_m8 suspending failing port %d - "
+		"interval might be too short\n", port->number);
 }
 
 
@@ -679,7 +680,8 @@ static int cypress_open(struct tty_struct *tty,
 
 	/* setup the port and start reading from the device */
 	if (!port->interrupt_in_urb) {
-		err("%s - interrupt_in_urb is empty!", __func__);
+		dev_err(&port->dev, "%s - interrupt_in_urb is empty!\n",
+			__func__);
 		return -1;
 	}
 
@@ -1107,8 +1109,8 @@ static void cypress_set_termios(struct tty_struct *tty,
 		data_bits = 3;
 		break;
 	default:
-		err("%s - CSIZE was set, but not CS5-CS8",
-				__func__);
+		dev_err(&port->dev, "%s - CSIZE was set, but not CS5-CS8\n",
+			__func__);
 		data_bits = 3;
 	}
 	spin_lock_irqsave(&priv->lock, flags);
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index ebc2918719a..69f84f0ea6f 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -661,7 +661,8 @@ static int digi_write_oob_command(struct usb_serial_port *port,
 	}
 	spin_unlock_irqrestore(&oob_priv->dp_port_lock, flags);
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d", __func__, ret);
+		dev_err(&port->dev, "%s: usb_submit_urb failed, ret=%d\n",
+			__func__, ret);
 	return ret;
 
 }
@@ -743,7 +744,8 @@ static int digi_write_inb_command(struct usb_serial_port *port,
 	spin_unlock_irqrestore(&priv->dp_port_lock, flags);
 
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 	return ret;
 }
@@ -812,7 +814,8 @@ static int digi_set_modem_signals(struct usb_serial_port *port,
 	spin_unlock(&port_priv->dp_port_lock);
 	spin_unlock_irqrestore(&oob_priv->dp_port_lock, flags);
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d", __func__, ret);
+		dev_err(&port->dev, "%s: usb_submit_urb failed, ret=%d\n",
+			__func__, ret);
 	return ret;
 }
 
@@ -907,7 +910,8 @@ static void digi_rx_unthrottle(struct tty_struct *tty)
 	spin_unlock_irqrestore(&priv->dp_port_lock, flags);
 
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 }
 
@@ -1214,7 +1218,8 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
 	/* return length of new data written, or error */
 	spin_unlock_irqrestore(&priv->dp_port_lock, flags);
 	if (ret < 0)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 	dbg("digi_write: returning %d", ret);
 	return ret;
@@ -1235,14 +1240,16 @@ static void digi_write_bulk_callback(struct urb *urb)
 
 	/* port and serial sanity check */
 	if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) {
-		err("%s: port or port->private is NULL, status=%d",
-		    __func__, status);
+		dev_err(&port->dev,
+			"%s: port or port->private is NULL, status=%d\n",
+			__func__, status);
 		return;
 	}
 	serial = port->serial;
 	if (serial == NULL || (serial_priv = usb_get_serial_data(serial)) == NULL) {
-		err("%s: serial or serial->private is NULL, status=%d",
-		    __func__, status);
+		dev_err(&port->dev,
+			"%s: serial or serial->private is NULL, status=%d\n",
+			__func__, status);
 		return;
 	}
 
@@ -1284,7 +1291,8 @@ static void digi_write_bulk_callback(struct urb *urb)
 
 	spin_unlock(&priv->dp_port_lock);
 	if (ret)
-		err("%s: usb_submit_urb failed, ret=%d, port=%d",
+		dev_err(&port->dev,
+			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
 }
 
@@ -1518,8 +1526,9 @@ static int digi_startup_device(struct usb_serial *serial)
 		port->write_urb->dev = port->serial->dev;
 		ret = usb_submit_urb(port->read_urb, GFP_KERNEL);
 		if (ret != 0) {
-			err("%s: usb_submit_urb failed, ret=%d, port=%d",
-					__func__, ret, i);
+			dev_err(&port->dev,
+				"%s: usb_submit_urb failed, ret=%d, port=%d\n",
+				__func__, ret, i);
 			break;
 		}
 	}
@@ -1618,22 +1627,26 @@ static void digi_read_bulk_callback(struct urb *urb)
 	dbg("digi_read_bulk_callback: TOP");
 
 	/* port sanity check, do not resubmit if port is not valid */
-	if (port == NULL || (priv = usb_get_serial_port_data(port)) == NULL) {
-		err("%s: port or port->private is NULL, status=%d",
-		    __func__, status);
+	if (port == NULL)
+		return;
+	priv = usb_get_serial_port_data(port);
+	if (priv == NULL) {
+		dev_err(&port->dev, "%s: port->private is NULL, status=%d\n",
+			__func__, status);
 		return;
 	}
 	if (port->serial == NULL ||
 		(serial_priv = usb_get_serial_data(port->serial)) == NULL) {
-		err("%s: serial is bad or serial->private is NULL, status=%d",
-			__func__, status);
+		dev_err(&port->dev, "%s: serial is bad or serial->private "
+			"is NULL, status=%d\n", __func__, status);
 		return;
 	}
 
 	/* do not resubmit urb if it has any status error */
 	if (status) {
-		err("%s: nonzero read bulk status: status=%d, port=%d",
-		    __func__, status, priv->dp_port_num);
+		dev_err(&port->dev,
+			"%s: nonzero read bulk status: status=%d, port=%d\n",
+			__func__, status, priv->dp_port_num);
 		return;
 	}
 
@@ -1650,8 +1663,9 @@ static void digi_read_bulk_callback(struct urb *urb)
 	urb->dev = port->serial->dev;
 	ret = usb_submit_urb(urb, GFP_ATOMIC);
 	if (ret != 0) {
-		err("%s: failed resubmitting urb, ret=%d, port=%d",
-		    __func__, ret, priv->dp_port_num);
+		dev_err(&port->dev,
+			"%s: failed resubmitting urb, ret=%d, port=%d\n",
+			__func__, ret, priv->dp_port_num);
 	}
 
 }
@@ -1687,10 +1701,11 @@ static int digi_read_inb_callback(struct urb *urb)
 
 	/* short/multiple packet check */
 	if (urb->actual_length != len + 2) {
-		err("%s: INCOMPLETE OR MULTIPLE PACKET, urb->status=%d, "
-		    "port=%d, opcode=%d, len=%d, actual_length=%d, "
-		    "status=%d", __func__, status, priv->dp_port_num,
-		    opcode, len, urb->actual_length, port_status);
+		dev_err(&port->dev, "%s: INCOMPLETE OR MULTIPLE PACKET, "
+			"urb->status=%d, port=%d, opcode=%d, len=%d, "
+			"actual_length=%d, status=%d\n", __func__, status,
+			priv->dp_port_num, opcode, len, urb->actual_length,
+			port_status);
 		return -1;
 	}
 
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index fdd28e940bc..8a69cce40b6 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -416,7 +416,7 @@ static int  empeg_startup(struct usb_serial *serial)
 	dbg("%s", __func__);
 
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
-		err("active config #%d != 1 ??",
+		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
 		return -ENODEV;
 	}
@@ -499,15 +499,15 @@ static int __init empeg_init(void)
 		urb = usb_alloc_urb(0, GFP_KERNEL);
 		write_urb_pool[i] = urb;
 		if (urb == NULL) {
-			err("No more urbs???");
+			printk(KERN_ERR "empeg: No more urbs???\n");
 			continue;
 		}
 
 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
 								GFP_KERNEL);
 		if (!urb->transfer_buffer) {
-			err("%s - out of memory for urb buffers.",
-			    __func__);
+			printk(KERN_ERR "empeg: %s - out of memory for urb "
+			       "buffers.", __func__);
 			continue;
 		}
 	}
diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c
index 711e84f6ed8..3cfc762f505 100644
--- a/drivers/usb/serial/ezusb.c
+++ b/drivers/usb/serial/ezusb.c
@@ -28,7 +28,8 @@ int ezusb_writememory(struct usb_serial *serial, int address,
 
 	/* dbg("ezusb_writememory %x, %d", address, length); */
 	if (!serial->dev) {
-		err("%s - no physical device present, failing.", __func__);
+		printk(KERN_ERR "ezusb: %s - no physical device present, "
+		       "failing.\n", __func__);
 		return -ENODEV;
 	}
 
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index bcadb1f4f5d..51d7bdea286 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1327,7 +1327,7 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
 
 	priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
 	if (!priv) {
-		err("%s- kmalloc(%Zd) failed.", __func__,
+		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
 					sizeof(struct ftdi_private));
 		return -ENOMEM;
 	}
@@ -1524,8 +1524,9 @@ static int ftdi_open(struct tty_struct *tty,
 			ftdi_read_bulk_callback, port);
 	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (result)
-		err("%s - failed submitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 
 
 	return result;
@@ -1559,7 +1560,7 @@ static void ftdi_close(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0, priv->interface, buf, 0,
 				    WDR_TIMEOUT) < 0) {
-			err("error from flowcontrol urb");
+			dev_err(&port->dev, "error from flowcontrol urb\n");
 		}
 
 		/* drop RTS and DTR */
@@ -1624,14 +1625,15 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	buffer = kmalloc(transfer_size, GFP_ATOMIC);
 	if (!buffer) {
-		err("%s ran out of kernel memory for urb ...", __func__);
+		dev_err(&port->dev,
+			"%s ran out of kernel memory for urb ...\n", __func__);
 		count = -ENOMEM;
 		goto error_no_buffer;
 	}
 
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (!urb) {
-		err("%s - no more free urbs", __func__);
+		dev_err(&port->dev, "%s - no more free urbs\n", __func__);
 		count = -ENOMEM;
 		goto error_no_urb;
 	}
@@ -1675,8 +1677,9 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (status) {
-		err("%s - failed submitting write urb, error %d",
-							__func__, status);
+		dev_err(&port->dev,
+			"%s - failed submitting write urb, error %d\n",
+			__func__, status);
 		count = status;
 		goto error;
 	} else {
@@ -1783,7 +1786,8 @@ static int ftdi_chars_in_buffer(struct tty_struct *tty)
 	buffered = (int)priv->tx_outstanding_bytes;
 	spin_unlock_irqrestore(&priv->tx_lock, flags);
 	if (buffered < 0) {
-		err("%s outstanding tx bytes is negative!", __func__);
+		dev_err(&port->dev, "%s outstanding tx bytes is negative!\n",
+			__func__);
 		buffered = 0;
 	}
 	return buffered;
@@ -1799,11 +1803,12 @@ static void ftdi_read_bulk_callback(struct urb *urb)
 	int status = urb->status;
 
 	if (urb->number_of_packets > 0) {
-		err("%s transfer_buffer_length %d actual_length %d number of packets %d",
-				__func__,
-				urb->transfer_buffer_length,
-				urb->actual_length, urb->number_of_packets);
-		err("%s transfer_flags %x ", __func__, urb->transfer_flags);
+		dev_err(&port->dev, "%s transfer_buffer_length %d "
+			"actual_length %d number of packets %d\n", __func__,
+			urb->transfer_buffer_length,
+			urb->actual_length, urb->number_of_packets);
+		dev_err(&port->dev, "%s transfer_flags %x\n", __func__,
+			urb->transfer_flags);
 	}
 
 	dbg("%s - port %d", __func__, port->number);
@@ -1824,7 +1829,7 @@ static void ftdi_read_bulk_callback(struct urb *urb)
 	}
 
 	if (urb != port->read_urb)
-		err("%s - Not my urb!", __func__);
+		dev_err(&port->dev, "%s - Not my urb!\n", __func__);
 
 	if (status) {
 		/* This will happen at close every time so it is a dbg not an
@@ -1927,7 +1932,8 @@ static void ftdi_process_read(struct work_struct *work)
 
 		length = min(PKTSZ, urb->actual_length-packet_offset)-2;
 		if (length < 0) {
-			err("%s - bad packet length: %d", __func__, length+2);
+			dev_err(&port->dev, "%s - bad packet length: %d\n",
+				__func__, length+2);
 			length = 0;
 		}
 
@@ -2042,8 +2048,9 @@ static void ftdi_process_read(struct work_struct *work)
 
 		result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed resubmitting read urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed resubmitting read urb, error %d\n",
+				__func__, result);
 	}
 out:
 	tty_kref_put(tty);
@@ -2072,8 +2079,8 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			urb_value , priv->interface,
 			buf, 0, WDR_TIMEOUT) < 0) {
-		err("%s FAILED to enable/disable break state (state was %d)",
-							__func__, break_state);
+		dev_err(&port->dev, "%s FAILED to enable/disable break state "
+			"(state was %d)\n", __func__, break_state);
 	}
 
 	dbg("%s break state is %d - urb is %d", __func__,
@@ -2145,7 +2152,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
 		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
 		default:
-			err("CSIZE was set but not CS5-CS8");
+			dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n");
 		}
 	}
 
@@ -2158,7 +2165,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			    urb_value , priv->interface,
 			    buf, 0, WDR_SHORT_TIMEOUT) < 0) {
-		err("%s FAILED to set databits/stopbits/parity", __func__);
+		dev_err(&port->dev, "%s FAILED to set "
+			"databits/stopbits/parity\n", __func__);
 	}
 
 	/* Now do the baudrate */
@@ -2169,14 +2177,17 @@ static void ftdi_set_termios(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0, priv->interface,
 				    buf, 0, WDR_TIMEOUT) < 0) {
-			err("%s error from disable flowcontrol urb", __func__);
+			dev_err(&port->dev,
+				"%s error from disable flowcontrol urb\n",
+				__func__);
 		}
 		/* Drop RTS and DTR */
 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	} else {
 		/* set the baudrate determined before */
 		if (change_speed(tty, port))
-			err("%s urb failed to set baudrate", __func__);
+			dev_err(&port->dev, "%s urb failed to set baudrate\n",
+				__func__);
 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
@@ -2192,7 +2203,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
 				    buf, 0, WDR_TIMEOUT) < 0) {
-			err("urb failed to set to rts/cts flow control");
+			dev_err(&port->dev,
+				"urb failed to set to rts/cts flow control\n");
 		}
 
 	} else {
@@ -2223,7 +2235,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 					    urb_value , (FTDI_SIO_XON_XOFF_HS
 							 | priv->interface),
 					    buf, 0, WDR_TIMEOUT) < 0) {
-				err("urb failed to set to xon/xoff flow control");
+				dev_err(&port->dev, "urb failed to set to "
+					"xon/xoff flow control\n");
 			}
 		} else {
 			/* else clause to only run if cflag ! CRTSCTS and iflag
@@ -2236,7 +2249,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 					    0, priv->interface,
 					    buf, 0, WDR_TIMEOUT) < 0) {
-				err("urb failed to clear flow control");
+				dev_err(&port->dev,
+					"urb failed to clear flow control\n");
 			}
 		}
 
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index eb95efdfbe8..e85c8c0d1ad 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -3109,13 +3109,13 @@ static int edge_startup(struct usb_serial *serial)
 				edge_serial->interrupt_read_urb =
 						usb_alloc_urb(0, GFP_KERNEL);
 				if (!edge_serial->interrupt_read_urb) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					return -ENOMEM;
 				}
 				edge_serial->interrupt_in_buffer =
 					kmalloc(buffer_size, GFP_KERNEL);
 				if (!edge_serial->interrupt_in_buffer) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					usb_free_urb(edge_serial->interrupt_read_urb);
 					return -ENOMEM;
 				}
@@ -3146,13 +3146,13 @@ static int edge_startup(struct usb_serial *serial)
 				edge_serial->read_urb =
 						usb_alloc_urb(0, GFP_KERNEL);
 				if (!edge_serial->read_urb) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					return -ENOMEM;
 				}
 				edge_serial->bulk_in_buffer =
 					kmalloc(buffer_size, GFP_KERNEL);
 				if (!edge_serial->bulk_in_buffer) {
-					err("out of memory");
+					dev_err(&dev->dev, "out of memory\n");
 					usb_free_urb(edge_serial->read_urb);
 					return -ENOMEM;
 				}
@@ -3181,7 +3181,8 @@ static int edge_startup(struct usb_serial *serial)
 		}
 
 		if (!interrupt_in_found || !bulk_in_found || !bulk_out_found) {
-			err("Error - the proper endpoints were not found!");
+			dev_err(&dev->dev, "Error - the proper endpoints "
+				"were not found!\n");
 			return -ENODEV;
 		}
 
@@ -3190,8 +3191,9 @@ static int edge_startup(struct usb_serial *serial)
 		response = usb_submit_urb(edge_serial->interrupt_read_urb,
 								GFP_KERNEL);
 		if (response)
-			err("%s - Error %d submitting control urb",
-							__func__, response);
+			dev_err(&dev->dev,
+				"%s - Error %d submitting control urb\n",
+				__func__, response);
 	}
 	return response;
 }
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index 5108cbc64a5..132be74d2b8 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -608,7 +608,7 @@ static int ipaq_open(struct tty_struct *tty,
 	bytes_out = 0;
 	priv = kmalloc(sizeof(struct ipaq_private), GFP_KERNEL);
 	if (priv == NULL) {
-		err("%s - Out of memory", __func__);
+		dev_err(&port->dev, "%s - Out of memory\n", __func__);
 		return -ENOMEM;
 	}
 	usb_set_serial_port_data(port, priv);
@@ -693,8 +693,7 @@ static int ipaq_open(struct tty_struct *tty,
 	}
 
 	if (!retries && result) {
-		err("%s - failed doing control urb, error %d", __func__,
-		    result);
+		dev_err(&port->dev, "%s - failed doing control urb, error %d\n",			__func__, result);
 		goto error;
 	}
 
@@ -707,8 +706,9 @@ static int ipaq_open(struct tty_struct *tty,
 
 	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (result) {
-		err("%s - failed submitting read urb, error %d",
-						__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 		goto error;
 	}
 
@@ -716,7 +716,7 @@ static int ipaq_open(struct tty_struct *tty,
 
 enomem:
 	result = -ENOMEM;
-	err("%s - Out of memory", __func__);
+	dev_err(&port->dev, "%s - Out of memory\n", __func__);
 error:
 	ipaq_destroy_lists(port);
 	kfree(priv);
@@ -781,8 +781,9 @@ static void ipaq_read_bulk_callback(struct urb *urb)
 	    ipaq_read_bulk_callback, port);
 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed resubmitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 	return;
 }
 
@@ -847,7 +848,8 @@ static int ipaq_write_bulk(struct usb_serial_port *port,
 		spin_unlock_irqrestore(&write_list_lock, flags);
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed submitting write urb, error %d",
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
 				__func__, result);
 	} else {
 		spin_unlock_irqrestore(&write_list_lock, flags);
@@ -909,8 +911,9 @@ static void ipaq_write_bulk_callback(struct urb *urb)
 		spin_unlock_irqrestore(&write_list_lock, flags);
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result)
-			err("%s - failed submitting write urb, error %d",
-					__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 	} else {
 		priv->active = 0;
 		spin_unlock_irqrestore(&write_list_lock, flags);
@@ -957,7 +960,7 @@ static int ipaq_startup(struct usb_serial *serial)
 {
 	dbg("%s", __func__);
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
-		err("active config #%d != 1 ??",
+		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
 		return -ENODEV;
 	}
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 2928ba84439..bf1ae247da6 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -742,11 +742,13 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial)
 		fw_name = "keyspan_pda/xircom_pgs.fw";
 #endif
 	else {
-		err("%s: unknown vendor, aborting.", __func__);
+		dev_err(&serial->dev->dev, "%s: unknown vendor, aborting.\n",
+			__func__);
 		return -ENODEV;
 	}
 	if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) {
-		err("failed to load firmware \"%s\"\n", fw_name);
+		dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n",
+			fw_name);
 		return -ENOENT;
 	}
 	record = (const struct ihex_binrec *)fw->data;
@@ -756,10 +758,10 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial)
 					     (unsigned char *)record->data,
 					     be16_to_cpu(record->len), 0xa0);
 		if (response < 0) {
-			err("ezusb_writememory failed for Keyspan PDA "
-			    "firmware (%d %04X %p %d)",
-			    response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "ezusb_writememory failed "
+				"for Keyspan PDA firmware (%d %04X %p %d)\n",
+				response, be32_to_cpu(record->addr),
+				record->data, be16_to_cpu(record->len));
 			break;
 		}
 		record = ihex_next_binrec(record);
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 573c6972fae..dc36a052766 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -182,7 +182,8 @@ static int klsi_105_chg_port_settings(struct usb_serial_port *port,
 			sizeof(struct klsi_105_port_settings),
 			KLSI_TIMEOUT);
 	if (rc < 0)
-		err("Change port settings failed (error = %d)", rc);
+		dev_err(&port->dev,
+			"Change port settings failed (error = %d)\n", rc);
 	dev_info(&port->serial->dev->dev,
 		 "%d byte block, baudrate %x, databits %d, u1 %d, u2 %d\n",
 		 settings->pktlen, settings->baudrate, settings->databits,
@@ -225,7 +226,8 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
 			     10000
 			     );
 	if (rc < 0)
-		err("Reading line status failed (error = %d)", rc);
+		dev_err(&port->dev, "Reading line status failed (error = %d)\n",
+			rc);
 	else {
 		status = get_unaligned_le16(status_buf);
 
@@ -279,15 +281,16 @@ static int klsi_105_startup(struct usb_serial *serial)
 
 			priv->write_urb_pool[j] = urb;
 			if (urb == NULL) {
-				err("No more urbs???");
+				dev_err(&serial->dev->dev, "No more urbs???\n");
 				goto err_cleanup;
 			}
 
 			urb->transfer_buffer =
 				kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
 			if (!urb->transfer_buffer) {
-				err("%s - out of memory for urb buffers.",
-								__func__);
+				dev_err(&serial->dev->dev,
+					"%s - out of memory for urb buffers.\n",
+					__func__);
 				goto err_cleanup;
 			}
 		}
@@ -408,7 +411,8 @@ static int  klsi_105_open(struct tty_struct *tty,
 
 	rc = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (rc) {
-		err("%s - failed submitting read urb, error %d", __func__, rc);
+		dev_err(&port->dev, "%s - failed submitting read urb, "
+			"error %d\n", __func__, rc);
 		retval = rc;
 		goto exit;
 	}
@@ -423,7 +427,7 @@ static int  klsi_105_open(struct tty_struct *tty,
 			     0,
 			     KLSI_TIMEOUT);
 	if (rc < 0) {
-		err("Enabling read failed (error = %d)", rc);
+		dev_err(&port->dev, "Enabling read failed (error = %d)\n", rc);
 		retval = rc;
 	} else
 		dbg("%s - enabled reading", __func__);
@@ -463,7 +467,8 @@ static void klsi_105_close(struct tty_struct *tty,
 				     NULL, 0,
 				     KLSI_TIMEOUT);
 		if (rc < 0)
-			err("Disabling read failed (error = %d)", rc);
+			dev_err(&port->dev,
+				"Disabling read failed (error = %d)\n", rc);
 	}
 	mutex_unlock(&port->serial->disc_mutex);
 
@@ -522,7 +527,9 @@ static int klsi_105_write(struct tty_struct *tty,
 			urb->transfer_buffer =
 				kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_ATOMIC);
 			if (urb->transfer_buffer == NULL) {
-				err("%s - no more kernel memory...", __func__);
+				dev_err(&port->dev,
+					"%s - no more kernel memory...\n",
+					__func__);
 				goto exit;
 			}
 		}
@@ -549,8 +556,9 @@ static int klsi_105_write(struct tty_struct *tty,
 		/* send the data out the bulk port */
 		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 			goto exit;
 		}
 		buf += size;
@@ -694,8 +702,9 @@ static void klsi_105_read_bulk_callback(struct urb *urb)
 		      port);
 	rc = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (rc)
-		err("%s - failed resubmitting read urb, error %d",
-							__func__, rc);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, rc);
 } /* klsi_105_read_bulk_callback */
 
 
@@ -799,7 +808,8 @@ static void klsi_105_set_termios(struct tty_struct *tty,
 			priv->cfg.databits = kl5kusb105a_dtb_8;
 			break;
 		default:
-			err("CSIZE was not CS5-CS8, using default of 8");
+			dev_err(&port->dev,
+				"CSIZE was not CS5-CS8, using default of 8\n");
 			priv->cfg.databits = kl5kusb105a_dtb_8;
 			break;
 		}
@@ -886,7 +896,8 @@ static int klsi_105_tiocmget(struct tty_struct *tty, struct file *file)
 
 	rc = klsi_105_get_line_state(port, &line_state);
 	if (rc < 0) {
-		err("Reading line control failed (error = %d)", rc);
+		dev_err(&port->dev,
+			"Reading line control failed (error = %d)\n", rc);
 		/* better return value? EAGAIN? */
 		return rc;
 	}
@@ -944,8 +955,9 @@ static void klsi_105_unthrottle(struct tty_struct *tty)
 	port->read_urb->dev = port->serial->dev;
 	result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed submitting read urb, error %d", __func__,
-		    result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 }
 
 
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 29fa66ea2d2..07710cf31d0 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -246,7 +246,8 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 				0, 0, &divisor, MCT_U232_SET_BAUD_RATE_SIZE,
 				WDR_TIMEOUT);
 	if (rc < 0)	/*FIXME: What value speed results */
-		err("Set BAUD RATE %d failed (error = %d)", value, rc);
+		dev_err(&port->dev, "Set BAUD RATE %d failed (error = %d)\n",
+			value, rc);
 	else
 		tty_encode_baud_rate(tty, speed, speed);
 	dbg("set_baud_rate: value: 0x%x, divisor: 0x%x", value, divisor);
@@ -274,8 +275,9 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 				0, 0, &zero_byte, MCT_U232_SET_UNKNOWN1_SIZE,
 				WDR_TIMEOUT);
 	if (rc < 0)
-		err("Sending USB device request code %d failed (error = %d)",
-		    MCT_U232_SET_UNKNOWN1_REQUEST, rc);
+		dev_err(&port->dev, "Sending USB device request code %d "
+			"failed (error = %d)\n", MCT_U232_SET_UNKNOWN1_REQUEST,
+			rc);
 
 	if (port && C_CRTSCTS(tty))
 	   cts_enable_byte = 1;
@@ -288,8 +290,8 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 			0, 0, &cts_enable_byte, MCT_U232_SET_CTS_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
-		err("Sending USB device request code %d failed (error = %d)",
-					MCT_U232_SET_CTS_REQUEST, rc);
+		dev_err(&port->dev, "Sending USB device request code %d "
+			"failed (error = %d)\n", MCT_U232_SET_CTS_REQUEST, rc);
 
 	return rc;
 } /* mct_u232_set_baud_rate */
@@ -303,7 +305,8 @@ static int mct_u232_set_line_ctrl(struct usb_serial *serial, unsigned char lcr)
 			0, 0, &lcr, MCT_U232_SET_LINE_CTRL_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
-		err("Set LINE CTRL 0x%x failed (error = %d)", lcr, rc);
+		dev_err(&serial->dev->dev,
+			"Set LINE CTRL 0x%x failed (error = %d)\n", lcr, rc);
 	dbg("set_line_ctrl: 0x%x", lcr);
 	return rc;
 } /* mct_u232_set_line_ctrl */
@@ -325,7 +328,8 @@ static int mct_u232_set_modem_ctrl(struct usb_serial *serial,
 			0, 0, &mcr, MCT_U232_SET_MODEM_CTRL_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
-		err("Set MODEM CTRL 0x%x failed (error = %d)", mcr, rc);
+		dev_err(&serial->dev->dev,
+			"Set MODEM CTRL 0x%x failed (error = %d)\n", mcr, rc);
 	dbg("set_modem_ctrl: state=0x%x ==> mcr=0x%x", control_state, mcr);
 
 	return rc;
@@ -341,7 +345,8 @@ static int mct_u232_get_modem_stat(struct usb_serial *serial,
 			0, 0, msr, MCT_U232_GET_MODEM_STAT_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0) {
-		err("Get MODEM STATus failed (error = %d)", rc);
+		dev_err(&serial->dev->dev,
+			"Get MODEM STATus failed (error = %d)\n", rc);
 		*msr = 0;
 	}
 	dbg("get_modem_stat: 0x%x", *msr);
@@ -470,8 +475,9 @@ static int  mct_u232_open(struct tty_struct *tty,
 	port->read_urb->dev = port->serial->dev;
 	retval = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (retval) {
-		err("usb_submit_urb(read bulk) failed pipe 0x%x err %d",
-		    port->read_urb->pipe, retval);
+		dev_err(&port->dev,
+			"usb_submit_urb(read bulk) failed pipe 0x%x err %d\n",
+			port->read_urb->pipe, retval);
 		goto error;
 	}
 
@@ -479,8 +485,9 @@ static int  mct_u232_open(struct tty_struct *tty,
 	retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 	if (retval) {
 		usb_kill_urb(port->read_urb);
-		err(" usb_submit_urb(read int) failed pipe 0x%x err %d",
-		    port->interrupt_in_urb->pipe, retval);
+		dev_err(&port->dev,
+			"usb_submit_urb(read int) failed pipe 0x%x err %d",
+			port->interrupt_in_urb->pipe, retval);
 		goto error;
 	}
 	return 0;
@@ -612,8 +619,9 @@ static void mct_u232_read_int_callback(struct urb *urb)
 exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		err("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		dev_err(&port->dev,
+			"%s - usb_submit_urb failed with result %d\n",
+			__func__, retval);
 } /* mct_u232_read_int_callback */
 
 static void mct_u232_set_termios(struct tty_struct *tty,
@@ -680,7 +688,8 @@ static void mct_u232_set_termios(struct tty_struct *tty,
 	case CS8:
 		last_lcr |= MCT_U232_DATA_BITS_8; break;
 	default:
-		err("CSIZE was not CS5-CS8, using default of 8");
+		dev_err(&port->dev,
+			"CSIZE was not CS5-CS8, using default of 8\n");
 		last_lcr |= MCT_U232_DATA_BITS_8;
 		break;
 	}
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 5711aa55d24..e772cc0a97f 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -355,14 +355,16 @@ static int mos7720_open(struct tty_struct *tty,
 		mos7720_port->write_urb_pool[j] = urb;
 
 		if (urb == NULL) {
-			err("No more urbs???");
+			dev_err(&port->dev, "No more urbs???\n");
 			continue;
 		}
 
 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
 					       GFP_KERNEL);
 		if (!urb->transfer_buffer) {
-			err("%s-out of memory for urb buffers.", __func__);
+			dev_err(&port->dev,
+				"%s-out of memory for urb buffers.\n",
+				__func__);
 			usb_free_urb(mos7720_port->write_urb_pool[j]);
 			mos7720_port->write_urb_pool[j] = NULL;
 			continue;
@@ -694,7 +696,8 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
 		urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
 					       GFP_KERNEL);
 		if (urb->transfer_buffer == NULL) {
-			err("%s no more kernel memory...", __func__);
+			dev_err(&port->dev, "%s no more kernel memory...\n",
+				__func__);
 			goto exit;
 		}
 	}
@@ -714,8 +717,8 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
 	/* send it down the pipe */
 	status = usb_submit_urb(urb, GFP_ATOMIC);
 	if (status) {
-		err("%s - usb_submit_urb(write bulk) failed with status = %d",
-		    __func__, status);
+		dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed "
+			"with status = %d\n", __func__, status);
 		bytes_sent = status;
 		goto exit;
 	}
@@ -975,7 +978,7 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port,
 	/* Calculate the Divisor */
 	status = calc_baud_rate_divisor(baudrate, &divisor);
 	if (status) {
-		err("%s - bad baud rate", __func__);
+		dev_err(&port->dev, "%s - bad baud rate\n", __func__);
 		return status;
 	}
 
@@ -1478,7 +1481,7 @@ static int mos7720_startup(struct usb_serial *serial)
 	/* create our private serial structure */
 	mos7720_serial = kzalloc(sizeof(struct moschip_serial), GFP_KERNEL);
 	if (mos7720_serial == NULL) {
-		err("%s - Out of memory", __func__);
+		dev_err(&dev->dev, "%s - Out of memory\n", __func__);
 		return -ENOMEM;
 	}
 
@@ -1491,7 +1494,7 @@ static int mos7720_startup(struct usb_serial *serial)
 	for (i = 0; i < serial->num_ports; ++i) {
 		mos7720_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
 		if (mos7720_port == NULL) {
-			err("%s - Out of memory", __func__);
+			dev_err(&dev->dev, "%s - Out of memory\n", __func__);
 			usb_set_serial_data(serial, NULL);
 			kfree(mos7720_serial);
 			return -ENOMEM;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index d5f682626e7..fda4a6421c4 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -844,7 +844,7 @@ static int mos7840_open(struct tty_struct *tty,
 		mos7840_port->write_urb_pool[j] = urb;
 
 		if (urb == NULL) {
-			err("No more urbs???");
+			dev_err(&port->dev, "No more urbs???\n");
 			continue;
 		}
 
@@ -853,7 +853,9 @@ static int mos7840_open(struct tty_struct *tty,
 		if (!urb->transfer_buffer) {
 			usb_free_urb(urb);
 			mos7840_port->write_urb_pool[j] = NULL;
-			err("%s-out of memory for urb buffers.", __func__);
+			dev_err(&port->dev,
+				"%s-out of memory for urb buffers.\n",
+				__func__);
 			continue;
 		}
 	}
@@ -1021,8 +1023,8 @@ static int mos7840_open(struct tty_struct *tty,
 			    usb_submit_urb(serial->port[0]->interrupt_in_urb,
 					   GFP_KERNEL);
 			if (response) {
-				err("%s - Error %d submitting interrupt urb",
-				    __func__, response);
+				dev_err(&port->dev, "%s - Error %d submitting "
+					"interrupt urb\n", __func__, response);
 			}
 
 		}
@@ -1055,8 +1057,8 @@ static int mos7840_open(struct tty_struct *tty,
 	    port->bulk_in_endpointAddress);
 	response = usb_submit_urb(mos7840_port->read_urb, GFP_KERNEL);
 	if (response) {
-		err("%s - Error %d submitting control urb", __func__,
-		    response);
+		dev_err(&port->dev, "%s - Error %d submitting control urb\n",
+			__func__, response);
 	}
 
 	/* initialize our wait queues */
@@ -1492,7 +1494,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
 		    kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL);
 
 		if (urb->transfer_buffer == NULL) {
-			err("%s no more kernel memory...", __func__);
+			dev_err(&port->dev, "%s no more kernel memory...\n",
+				__func__);
 			goto exit;
 		}
 	}
@@ -1517,8 +1520,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
 
 	if (status) {
 		mos7840_port->busy[i] = 0;
-		err("%s - usb_submit_urb(write bulk) failed with status = %d",
-		    __func__, status);
+		dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed "
+			"with status = %d\n", __func__, status);
 		bytes_sent = status;
 		goto exit;
 	}
@@ -1856,8 +1859,7 @@ static int mos7840_send_cmd_write_baud_rate(struct moschip_port *mos7840_port,
 		/* Calculate the Divisor */
 
 		if (status) {
-			err("%s - bad baud rate", __func__);
-			dbg("%s\n", "bad baud rate");
+			dev_err(&port->dev, "%s - bad baud rate\n", __func__);
 			return status;
 		}
 		/* Enable access to divisor latch */
@@ -2446,7 +2448,7 @@ static int mos7840_startup(struct usb_serial *serial)
 	for (i = 0; i < serial->num_ports; ++i) {
 		mos7840_port = kzalloc(sizeof(struct moschip_port), GFP_KERNEL);
 		if (mos7840_port == NULL) {
-			err("%s - Out of memory", __func__);
+			dev_err(&dev->dev, "%s - Out of memory\n", __func__);
 			status = -ENOMEM;
 			i--; /* don't follow NULL pointer cleaning up */
 			goto error;
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 9890f26cd91..df653971272 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -154,8 +154,8 @@ static int omninet_attach(struct usb_serial *serial)
 
 	od = kmalloc(sizeof(struct omninet_data), GFP_KERNEL);
 	if (!od) {
-		err("%s- kmalloc(%Zd) failed.",
-				__func__, sizeof(struct omninet_data));
+		dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n",
+			__func__, sizeof(struct omninet_data));
 		return -ENOMEM;
 	}
 	usb_set_serial_port_data(port, od);
@@ -183,8 +183,9 @@ static int omninet_open(struct tty_struct *tty,
 			omninet_read_bulk_callback, port);
 	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (result)
-		err("%s - failed submitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, result);
 	return result;
 }
 
@@ -244,8 +245,9 @@ static void omninet_read_bulk_callback(struct urb *urb)
 			omninet_read_bulk_callback, port);
 	result = usb_submit_urb(urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed resubmitting read urb, error %d",
-						__func__, result);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 
 	return;
 }
@@ -298,8 +300,9 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
 	result = usb_submit_urb(wport->write_urb, GFP_ATOMIC);
 	if (result) {
 		wport->write_urb_busy = 0;
-		err("%s - failed submitting write urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting write urb, error %d\n",
+			__func__, result);
 	} else
 		result = count;
 
diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c
index 40cff61cb4a..4b463cd140e 100644
--- a/drivers/usb/serial/safe_serial.c
+++ b/drivers/usb/serial/safe_serial.c
@@ -256,11 +256,12 @@ static void safe_read_bulk_callback(struct urb *urb)
 							data, actual_length);
 				tty_flip_buffer_push(tty);
 			} else {
-				err("%s - inconsistent lengths %d:%d",
+				dev_err(&port->dev,
+					"%s - inconsistent lengths %d:%d\n",
 					__func__, actual_length, length);
 			}
 		} else {
-			err("%s - bad CRC %x", __func__, fcs);
+			dev_err(&port->dev, "%s - bad CRC %x\n", __func__, fcs);
 		}
 	} else {
 		tty_insert_flip_string(tty, data, length);
@@ -277,8 +278,9 @@ static void safe_read_bulk_callback(struct urb *urb)
 
 	result = usb_submit_urb(urb, GFP_ATOMIC);
 	if (result)
-		err("%s - failed resubmitting read urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 		/* FIXME: Need a mechanism to retry later if this happens */
 }
 
@@ -369,8 +371,9 @@ static int safe_write(struct tty_struct *tty, struct usb_serial_port *port,
 	result = usb_submit_urb(port->write_urb, GFP_KERNEL);
 	if (result) {
 		port->write_urb_busy = 0;
-		err("%s - failed submitting write urb, error %d",
-							__func__, result);
+		dev_err(&port->dev,
+			"%s - failed submitting write urb, error %d\n",
+			__func__, result);
 		return 0;
 	}
 	dbg("%s urb: %p submitted", __func__, port->write_urb);
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 96aeec74619..a65bc2bd8e7 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -589,8 +589,8 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
 	case 1000000:
 			buf[0] = 0x0b;	break;
 	default:
-		err("spcp825 driver does not support the baudrate "
-		    "requested, using default of 9600.");
+		dev_err(&port->dev, "spcp825 driver does not support the "
+			"baudrate requested, using default of 9600.\n");
 	}
 
 	/* Set Data Length : 00:5bit, 01:6bit, 10:7bit, 11:8bit */
@@ -629,7 +629,8 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
 			    SET_UART_FORMAT_TYPE, SET_UART_FORMAT,
 			    uartdata, 0, NULL, 0, 100);
 	if (i < 0)
-		err("Set UART format %#x failed (error = %d)", uartdata, i);
+		dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n",
+			uartdata, i);
 	dbg("0x21:0x40:0:0  %d\n", i);
 
 	if (cflag & CRTSCTS) {
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 92ba4f7361e..8be3f39891c 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -1121,7 +1121,8 @@ static int __init usb_serial_init(void)
 
 	result = bus_register(&usb_serial_bus_type);
 	if (result) {
-		err("%s - registering bus driver failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - registering bus driver "
+		       "failed\n", __func__);
 		goto exit_bus;
 	}
 
@@ -1142,21 +1143,24 @@ static int __init usb_serial_init(void)
 	tty_set_operations(usb_serial_tty_driver, &serial_ops);
 	result = tty_register_driver(usb_serial_tty_driver);
 	if (result) {
-		err("%s - tty_register_driver failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - tty_register_driver failed\n",
+		       __func__);
 		goto exit_reg_driver;
 	}
 
 	/* register the USB driver */
 	result = usb_register(&usb_serial_driver);
 	if (result < 0) {
-		err("%s - usb_register failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - usb_register failed\n",
+		       __func__);
 		goto exit_tty;
 	}
 
 	/* register the generic driver, if we should */
 	result = usb_serial_generic_register(debug);
 	if (result < 0) {
-		err("%s - registering generic driver failed", __func__);
+		printk(KERN_ERR "usb-serial: %s - registering generic "
+		       "driver failed\n", __func__);
 		goto exit_generic;
 	}
 
@@ -1174,7 +1178,8 @@ exit_reg_driver:
 	bus_unregister(&usb_serial_bus_type);
 
 exit_bus:
-	err("%s - returning with error %d", __func__, result);
+	printk(KERN_ERR "usb-serial: %s - returning with error %d\n",
+	       __func__, result);
 	put_tty_driver(usb_serial_tty_driver);
 	return result;
 }
@@ -1233,8 +1238,8 @@ int usb_serial_register(struct usb_serial_driver *driver)
 
 	retval = usb_serial_bus_register(driver);
 	if (retval) {
-		err("problem %d when registering driver %s",
-						retval, driver->description);
+		printk(KERN_ERR "usb-serial: problem %d when registering "
+		       "driver %s\n", retval, driver->description);
 		list_del(&driver->driver_list);
 	} else
 		printk(KERN_INFO "USB Serial support registered for %s\n",
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index de4b5f0e7f3..4facce3d936 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -768,7 +768,7 @@ static int visor_probe(struct usb_serial *serial,
 	dbg("%s", __func__);
 
 	if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
-		err("active config #%d != 1 ??",
+		dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
 			serial->dev->actconfig->desc.bConfigurationValue);
 		return -ENODEV;
 	}
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 39f7f8d291d..5335d3211c0 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -303,12 +303,15 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 
 	if (request_ihex_firmware(&firmware_fw, "whiteheat.fw",
 				  &serial->dev->dev)) {
-		err("%s - request \"whiteheat.fw\" failed", __func__);
+		dev_err(&serial->dev->dev,
+			"%s - request \"whiteheat.fw\" failed\n", __func__);
 		goto out;
 	}
 	if (request_ihex_firmware(&loader_fw, "whiteheat_loader.fw",
 			     &serial->dev->dev)) {
-		err("%s - request \"whiteheat_loader.fw\" failed", __func__);
+		dev_err(&serial->dev->dev,
+			"%s - request \"whiteheat_loader.fw\" failed\n",
+			__func__);
 		goto out;
 	}
 	ret = 0;
@@ -320,9 +323,10 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 					      (unsigned char *)record->data,
 					      be16_to_cpu(record->len), 0xa0);
 		if (response < 0) {
-			err("%s - ezusb_writememory failed for loader (%d %04X %p %d)",
-			    __func__, response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "%s - ezusb_writememory "
+				"failed for loader (%d %04X %p %d)\n",
+				__func__, response, be32_to_cpu(record->addr),
+				record->data, be16_to_cpu(record->len));
 			break;
 		}
 		record = ihex_next_binrec(record);
@@ -338,9 +342,11 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 					      (unsigned char *)record->data,
 					      be16_to_cpu(record->len), 0xa3);
 		if (response < 0) {
-			err("%s - ezusb_writememory failed for first firmware step (%d %04X %p %d)", 
-			    __func__, response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "%s - ezusb_writememory "
+				"failed for first firmware step "
+				"(%d %04X %p %d)\n", __func__, response,
+				be32_to_cpu(record->addr), record->data,
+				be16_to_cpu(record->len));
 			break;
 		}
 		++record;
@@ -354,9 +360,11 @@ static int whiteheat_firmware_download(struct usb_serial *serial,
 					      (unsigned char *)record->data,
 					      be16_to_cpu(record->len), 0xa0);
 		if (response < 0) {
-			err("%s - ezusb_writememory failed for second firmware step (%d %04X %p %d)", 
-			    __func__, response, be32_to_cpu(record->addr),
-			    record->data, be16_to_cpu(record->len));
+			dev_err(&serial->dev->dev, "%s - ezusb_writememory "
+				"failed for second firmware step "
+				"(%d %04X %p %d)\n", __func__, response,
+				be32_to_cpu(record->addr), record->data,
+				be16_to_cpu(record->len));
 			break;
 		}
 		++record;
@@ -421,12 +429,12 @@ static int whiteheat_attach(struct usb_serial *serial)
 	ret = usb_bulk_msg(serial->dev, pipe, command, 2,
 						&alen, COMMAND_TIMEOUT_MS);
 	if (ret) {
-		err("%s: Couldn't send command [%d]",
-				serial->type->description, ret);
+		dev_err(&serial->dev->dev, "%s: Couldn't send command [%d]\n",
+			serial->type->description, ret);
 		goto no_firmware;
 	} else if (alen != 2) {
-		err("%s: Send command incomplete [%d]",
-				serial->type->description, alen);
+		dev_err(&serial->dev->dev, "%s: Send command incomplete [%d]\n",
+			serial->type->description, alen);
 		goto no_firmware;
 	}
 
@@ -437,16 +445,16 @@ static int whiteheat_attach(struct usb_serial *serial)
 	ret = usb_bulk_msg(serial->dev, pipe, result,
 			sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS);
 	if (ret) {
-		err("%s: Couldn't get results [%d]",
-				serial->type->description, ret);
+		dev_err(&serial->dev->dev, "%s: Couldn't get results [%d]\n",
+			serial->type->description, ret);
 		goto no_firmware;
 	} else if (alen != sizeof(*hw_info) + 1) {
-		err("%s: Get results incomplete [%d]",
-				serial->type->description, alen);
+		dev_err(&serial->dev->dev, "%s: Get results incomplete [%d]\n",
+			serial->type->description, alen);
 		goto no_firmware;
 	} else if (result[0] != command[0]) {
-		err("%s: Command failed [%d]",
-				serial->type->description, result[0]);
+		dev_err(&serial->dev->dev, "%s: Command failed [%d]\n",
+			serial->type->description, result[0]);
 		goto no_firmware;
 	}
 
@@ -461,8 +469,9 @@ static int whiteheat_attach(struct usb_serial *serial)
 
 		info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL);
 		if (info == NULL) {
-			err("%s: Out of memory for port structures\n",
-					serial->type->description);
+			dev_err(&port->dev,
+				"%s: Out of memory for port structures\n",
+				serial->type->description);
 			goto no_private;
 		}
 
@@ -482,18 +491,20 @@ static int whiteheat_attach(struct usb_serial *serial)
 		for (j = 0; j < urb_pool_size; j++) {
 			urb = usb_alloc_urb(0, GFP_KERNEL);
 			if (!urb) {
-				err("No free urbs available");
+				dev_err(&port->dev, "No free urbs available\n");
 				goto no_rx_urb;
 			}
 			buf_size = port->read_urb->transfer_buffer_length;
 			urb->transfer_buffer = kmalloc(buf_size, GFP_KERNEL);
 			if (!urb->transfer_buffer) {
-				err("Couldn't allocate urb buffer");
+				dev_err(&port->dev,
+					"Couldn't allocate urb buffer\n");
 				goto no_rx_buf;
 			}
 			wrap = kmalloc(sizeof(*wrap), GFP_KERNEL);
 			if (!wrap) {
-				err("Couldn't allocate urb wrapper");
+				dev_err(&port->dev,
+					"Couldn't allocate urb wrapper\n");
 				goto no_rx_wrap;
 			}
 			usb_fill_bulk_urb(urb, serial->dev,
@@ -506,18 +517,20 @@ static int whiteheat_attach(struct usb_serial *serial)
 
 			urb = usb_alloc_urb(0, GFP_KERNEL);
 			if (!urb) {
-				err("No free urbs available");
+				dev_err(&port->dev, "No free urbs available\n");
 				goto no_tx_urb;
 			}
 			buf_size = port->write_urb->transfer_buffer_length;
 			urb->transfer_buffer = kmalloc(buf_size, GFP_KERNEL);
 			if (!urb->transfer_buffer) {
-				err("Couldn't allocate urb buffer");
+				dev_err(&port->dev,
+					"Couldn't allocate urb buffer\n");
 				goto no_tx_buf;
 			}
 			wrap = kmalloc(sizeof(*wrap), GFP_KERNEL);
 			if (!wrap) {
-				err("Couldn't allocate urb wrapper");
+				dev_err(&port->dev,
+					"Couldn't allocate urb wrapper\n");
 				goto no_tx_wrap;
 			}
 			usb_fill_bulk_urb(urb, serial->dev,
@@ -535,8 +548,9 @@ static int whiteheat_attach(struct usb_serial *serial)
 	command_info = kmalloc(sizeof(struct whiteheat_command_private),
 								GFP_KERNEL);
 	if (command_info == NULL) {
-		err("%s: Out of memory for port structures\n",
-					serial->type->description);
+		dev_err(&serial->dev->dev,
+			"%s: Out of memory for port structures\n",
+			serial->type->description);
 		goto no_command_private;
 	}
 
@@ -553,12 +567,15 @@ static int whiteheat_attach(struct usb_serial *serial)
 
 no_firmware:
 	/* Firmware likely not running */
-	err("%s: Unable to retrieve firmware version, try replugging\n",
-					serial->type->description);
-	err("%s: If the firmware is not running (status led not blinking)\n",
-					serial->type->description);
-	err("%s: please contact support@connecttech.com\n",
-					serial->type->description);
+	dev_err(&serial->dev->dev,
+		"%s: Unable to retrieve firmware version, try replugging\n",
+		serial->type->description);
+	dev_err(&serial->dev->dev,
+		"%s: If the firmware is not running (status led not blinking)\n",
+		serial->type->description);
+	dev_err(&serial->dev->dev,
+		"%s: please contact support@connecttech.com\n",
+		serial->type->description);
 	kfree(result);
 	return -ENODEV;
 
@@ -681,8 +698,9 @@ static int whiteheat_open(struct tty_struct *tty,
 	/* Start reading from the device */
 	retval = start_port_read(port);
 	if (retval) {
-		err("%s - failed submitting read urb, error %d",
-				__func__, retval);
+		dev_err(&port->dev,
+			"%s - failed submitting read urb, error %d\n",
+			__func__, retval);
 		firm_close(port);
 		stop_command_port(port->serial);
 		goto exit;
@@ -807,8 +825,9 @@ static int whiteheat_write(struct tty_struct *tty,
 		urb->transfer_buffer_length = bytes;
 		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed submitting write urb, error %d",
-							__func__, result);
+			dev_err(&port->dev,
+				"%s - failed submitting write urb, error %d\n",
+				__func__, result);
 			sent = result;
 			spin_lock_irqsave(&info->lock, flags);
 			list_add(tmp, &info->tx_urbs_free);
@@ -1076,7 +1095,7 @@ static void whiteheat_read_callback(struct urb *urb)
 	wrap = urb_to_wrap(urb, &info->rx_urbs_submitted);
 	if (!wrap) {
 		spin_unlock(&info->lock);
-		err("%s - Not my urb!", __func__);
+		dev_err(&port->dev, "%s - Not my urb!\n", __func__);
 		return;
 	}
 	list_del(&wrap->list);
@@ -1120,7 +1139,7 @@ static void whiteheat_write_callback(struct urb *urb)
 	wrap = urb_to_wrap(urb, &info->tx_urbs_submitted);
 	if (!wrap) {
 		spin_unlock(&info->lock);
-		err("%s - Not my urb!", __func__);
+		dev_err(&port->dev, "%s - Not my urb!\n", __func__);
 		return;
 	}
 	list_move(&wrap->list, &info->tx_urbs_free);
@@ -1384,8 +1403,9 @@ static int start_command_port(struct usb_serial *serial)
 		command_port->read_urb->dev = serial->dev;
 		retval = usb_submit_urb(command_port->read_urb, GFP_KERNEL);
 		if (retval) {
-			err("%s - failed submitting read urb, error %d",
-							__func__, retval);
+			dev_err(&serial->dev->dev,
+				"%s - failed submitting read urb, error %d\n",
+				__func__, retval);
 			goto exit;
 		}
 	}
@@ -1523,7 +1543,8 @@ static void rx_data_softint(struct work_struct *work)
 		urb->dev = port->serial->dev;
 		result = usb_submit_urb(urb, GFP_ATOMIC);
 		if (result) {
-			err("%s - failed resubmitting read urb, error %d",
+			dev_err(&port->dev,
+				"%s - failed resubmitting read urb, error %d\n",
 				__func__, result);
 			spin_lock_irqsave(&info->lock, flags);
 			list_add(tmp, &info->rx_urbs_free);
-- 
GitLab


From 9908a32e94de2141463e104c9924279ed3509447 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1244/2224] USB: remove err() macro from usb class drivers

USB should not be having it's own printk macros, so remove err() and
use the system-wide standard of dev_err() wherever possible.  In the
few places that will not work out, use a basic printk().

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/class/cdc-acm.c | 23 +++++++++++-------
 drivers/usb/class/cdc-wdm.c | 48 +++++++++++++++++++++++--------------
 drivers/usb/class/usblp.c   |  7 +++---
 3 files changed, 48 insertions(+), 30 deletions(-)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index d9c2b8dafd6..fab23ee8702 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -326,8 +326,8 @@ exit:
 	usb_mark_last_busy(acm->dev);
 	retval = usb_submit_urb (urb, GFP_ATOMIC);
 	if (retval)
-		err ("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		dev_err(&urb->dev->dev, "%s - usb_submit_urb failed with "
+			"result %d", __func__, retval);
 }
 
 /* data interface returns incoming bytes, or we got unthrottled */
@@ -514,7 +514,7 @@ static void acm_waker(struct work_struct *waker)
 
 	rv = usb_autopm_get_interface(acm->control);
 	if (rv < 0) {
-		err("Autopm failure in %s", __func__);
+		dev_err(&acm->dev->dev, "Autopm failure in %s\n", __func__);
 		return;
 	}
 	if (acm->delayed_wb) {
@@ -924,7 +924,7 @@ static int acm_probe (struct usb_interface *intf,
 	
 	/* normal probing*/
 	if (!buffer) {
-		err("Weird descriptor references\n");
+		dev_err(&intf->dev, "Weird descriptor references\n");
 		return -EINVAL;
 	}
 
@@ -934,21 +934,24 @@ static int acm_probe (struct usb_interface *intf,
 			buflen = intf->cur_altsetting->endpoint->extralen;
 			buffer = intf->cur_altsetting->endpoint->extra;
 		} else {
-			err("Zero length descriptor references\n");
+			dev_err(&intf->dev,
+				"Zero length descriptor references\n");
 			return -EINVAL;
 		}
 	}
 
 	while (buflen > 0) {
 		if (buffer [1] != USB_DT_CS_INTERFACE) {
-			err("skipping garbage\n");
+			dev_err(&intf->dev, "skipping garbage\n");
 			goto next_desc;
 		}
 
 		switch (buffer [2]) {
 			case USB_CDC_UNION_TYPE: /* we've found it */
 				if (union_header) {
-					err("More than one union descriptor, skipping ...");
+					dev_err(&intf->dev, "More than one "
+						"union descriptor, "
+						"skipping ...\n");
 					goto next_desc;
 				}
 				union_header = (struct usb_cdc_union_desc *)
@@ -966,7 +969,9 @@ static int acm_probe (struct usb_interface *intf,
 				call_management_function = buffer[3];
 				call_interface_num = buffer[4];
 				if ((call_management_function & 3) != 3)
-					err("This device cannot do calls on its own. It is no modem.");
+					dev_err(&intf->dev, "This device "
+						"cannot do calls on its own. "
+						"It is no modem.\n");
 				break;
 			default:
 				/* there are LOTS more CDC descriptors that
@@ -1051,7 +1056,7 @@ skip_normal_probe:
 	for (minor = 0; minor < ACM_TTY_MINORS && acm_table[minor]; minor++);
 
 	if (minor == ACM_TTY_MINORS) {
-		err("no more free acm devices");
+		dev_err(&intf->dev, "no more free acm devices\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 7e8e1235e4e..7429f70b9d0 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -132,10 +132,12 @@ static void wdm_in_callback(struct urb *urb)
 				"nonzero urb status received: -ESHUTDOWN");
 			break;
 		case -EPIPE:
-			err("nonzero urb status received: -EPIPE");
+			dev_err(&desc->intf->dev,
+				"nonzero urb status received: -EPIPE\n");
 			break;
 		default:
-			err("Unexpected error %d", status);
+			dev_err(&desc->intf->dev,
+				"Unexpected error %d\n", status);
 			break;
 		}
 	}
@@ -170,16 +172,18 @@ static void wdm_int_callback(struct urb *urb)
 			return; /* unplug */
 		case -EPIPE:
 			set_bit(WDM_INT_STALL, &desc->flags);
-			err("Stall on int endpoint");
+			dev_err(&desc->intf->dev, "Stall on int endpoint\n");
 			goto sw; /* halt is cleared in work */
 		default:
-			err("nonzero urb status received: %d", status);
+			dev_err(&desc->intf->dev,
+				"nonzero urb status received: %d\n", status);
 			break;
 		}
 	}
 
 	if (urb->actual_length < sizeof(struct usb_cdc_notification)) {
-		err("wdm_int_callback - %d bytes", urb->actual_length);
+		dev_err(&desc->intf->dev, "wdm_int_callback - %d bytes\n",
+			urb->actual_length);
 		goto exit;
 	}
 
@@ -198,7 +202,8 @@ static void wdm_int_callback(struct urb *urb)
 		goto exit;
 	default:
 		clear_bit(WDM_POLL_RUNNING, &desc->flags);
-		err("unknown notification %d received: index %d len %d",
+		dev_err(&desc->intf->dev,
+			"unknown notification %d received: index %d len %d\n",
 			dr->bNotificationType, dr->wIndex, dr->wLength);
 		goto exit;
 	}
@@ -236,14 +241,16 @@ static void wdm_int_callback(struct urb *urb)
 sw:
 			rv = schedule_work(&desc->rxwork);
 			if (rv)
-				err("Cannot schedule work");
+				dev_err(&desc->intf->dev,
+					"Cannot schedule work\n");
 		}
 	}
 exit:
 	rv = usb_submit_urb(urb, GFP_ATOMIC);
 	if (rv)
-		err("%s - usb_submit_urb failed with result %d",
-		     __func__, rv);
+		dev_err(&desc->intf->dev,
+			"%s - usb_submit_urb failed with result %d\n",
+			__func__, rv);
 
 }
 
@@ -353,7 +360,7 @@ static ssize_t wdm_write
 	if (rv < 0) {
 		kfree(buf);
 		clear_bit(WDM_IN_USE, &desc->flags);
-		err("Tx URB error: %d", rv);
+		dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);
 	} else {
 		dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
 			req->wIndex);
@@ -401,7 +408,8 @@ retry:
 			int t = desc->rerr;
 			desc->rerr = 0;
 			spin_unlock_irq(&desc->iuspin);
-			err("reading had resulted in %d", t);
+			dev_err(&desc->intf->dev,
+				"reading had resulted in %d\n", t);
 			rv = -EIO;
 			goto err;
 		}
@@ -440,7 +448,7 @@ retry:
 err:
 	mutex_unlock(&desc->rlock);
 	if (rv < 0)
-		err("wdm_read: exit error");
+		dev_err(&desc->intf->dev, "wdm_read: exit error\n");
 	return rv;
 }
 
@@ -450,7 +458,8 @@ static int wdm_flush(struct file *file, fl_owner_t id)
 
 	wait_event(desc->wait, !test_bit(WDM_IN_USE, &desc->flags));
 	if (desc->werr < 0)
-		err("Error in flush path: %d", desc->werr);
+		dev_err(&desc->intf->dev, "Error in flush path: %d\n",
+			desc->werr);
 
 	return desc->werr;
 }
@@ -502,7 +511,7 @@ static int wdm_open(struct inode *inode, struct file *file)
 
 	rv = usb_autopm_get_interface(desc->intf);
 	if (rv < 0) {
-		err("Error autopm - %d", rv);
+		dev_err(&desc->intf->dev, "Error autopm - %d\n", rv);
 		goto out;
 	}
 	intf->needs_remote_wakeup = 1;
@@ -512,7 +521,8 @@ static int wdm_open(struct inode *inode, struct file *file)
 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);
 		if (rv < 0) {
 			desc->count--;
-			err("Error submitting int urb - %d", rv);
+			dev_err(&desc->intf->dev,
+				"Error submitting int urb - %d\n", rv);
 		}
 	} else {
 		rv = 0;
@@ -600,7 +610,7 @@ static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)
 
 	while (buflen > 0) {
 		if (buffer [1] != USB_DT_CS_INTERFACE) {
-			err("skipping garbage");
+			dev_err(&intf->dev, "skipping garbage\n");
 			goto next_desc;
 		}
 
@@ -614,7 +624,8 @@ static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)
 				"Finding maximum buffer length: %d", maxcom);
 			break;
 		default:
-			err("Ignoring extra header, type %d, length %d",
+			dev_err(&intf->dev,
+				"Ignoring extra header, type %d, length %d\n",
 				buffer[2], buffer[0]);
 			break;
 		}
@@ -772,7 +783,8 @@ static int recover_from_urb_loss(struct wdm_device *desc)
 	if (desc->count) {
 		rv = usb_submit_urb(desc->validity, GFP_NOIO);
 		if (rv < 0)
-			err("Error resume submitting int urb - %d", rv);
+			dev_err(&desc->intf->dev,
+				"Error resume submitting int urb - %d\n", rv);
 	}
 	return rv;
 }
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 68a2239cd0b..b5775af3ba2 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -593,8 +593,9 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 				err = usblp_hp_channel_change_request(usblp,
 					arg, &newChannel);
 				if (err < 0) {
-					err("usblp%d: error = %d setting "
-						"HP channel",
+					dev_err(&usblp->dev->dev,
+						"usblp%d: error = %d setting "
+						"HP channel\n",
 						usblp->minor, err);
 					retval = -EIO;
 					goto done;
@@ -1345,7 +1346,7 @@ static void usblp_disconnect(struct usb_interface *intf)
 	usb_deregister_dev(intf, &usblp_class);
 
 	if (!usblp || !usblp->dev) {
-		err("bogus disconnect");
+		dev_err(&intf->dev, "bogus disconnect\n");
 		BUG ();
 	}
 
-- 
GitLab


From 69a85942ff2df8e1ee0a3b6afe8b1d85dce58333 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1245/2224] USB: remove err() macro from usb core code

USB should not be having it's own printk macros, so remove err() and
use the system-wide standard of dev_err() wherever possible.  In the
few places that will not work out, use a basic printk().

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/devio.c    |  7 ++++---
 drivers/usb/core/endpoint.c |  3 ++-
 drivers/usb/core/file.c     |  5 +++--
 drivers/usb/core/inode.c    | 12 ++++++------
 drivers/usb/core/urb.c      |  4 ++--
 5 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 7f621149f9f..2bccefebff1 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1777,19 +1777,20 @@ int __init usb_devio_init(void)
 	retval = register_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX,
 					"usb_device");
 	if (retval) {
-		err("unable to register minors for usb_device");
+		printk(KERN_ERR "Unable to register minors for usb_device\n");
 		goto out;
 	}
 	cdev_init(&usb_device_cdev, &usbdev_file_operations);
 	retval = cdev_add(&usb_device_cdev, USB_DEVICE_DEV, USB_DEVICE_MAX);
 	if (retval) {
-		err("unable to get usb_device major %d", USB_DEVICE_MAJOR);
+		printk(KERN_ERR "Unable to get usb_device major %d\n",
+		       USB_DEVICE_MAJOR);
 		goto error_cdev;
 	}
 #ifdef CONFIG_USB_DEVICE_CLASS
 	usb_classdev_class = class_create(THIS_MODULE, "usb_device");
 	if (IS_ERR(usb_classdev_class)) {
-		err("unable to register usb_device class");
+		printk(KERN_ERR "Unable to register usb_device class\n");
 		retval = PTR_ERR(usb_classdev_class);
 		cdev_del(&usb_device_cdev);
 		usb_classdev_class = NULL;
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index 22912136fc1..946fae43d62 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -169,7 +169,8 @@ static int usb_endpoint_major_init(void)
 	error = alloc_chrdev_region(&dev, 0, MAX_ENDPOINT_MINORS,
 				    "usb_endpoint");
 	if (error) {
-		err("unable to get a dynamic major for usb endpoints");
+		printk(KERN_ERR "Unable to get a dynamic major for "
+		       "usb endpoints.\n");
 		return error;
 	}
 	usb_endpoint_major = MAJOR(dev);
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 55f7f310924..997e659ff69 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -86,7 +86,7 @@ static int init_usb_class(void)
 	usb_class->class = class_create(THIS_MODULE, "usb");
 	if (IS_ERR(usb_class->class)) {
 		result = IS_ERR(usb_class->class);
-		err("class_create failed for usb devices");
+		printk(KERN_ERR "class_create failed for usb devices\n");
 		kfree(usb_class);
 		usb_class = NULL;
 	}
@@ -115,7 +115,8 @@ int usb_major_init(void)
 
 	error = register_chrdev(USB_MAJOR, "usb", &usb_fops);
 	if (error)
-		err("unable to get major %d for usb devices", USB_MAJOR);
+		printk(KERN_ERR "Unable to get major %d for usb devices\n",
+		       USB_MAJOR);
 
 	return error;
 }
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 2cf2dc8528d..94632264dcc 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -180,8 +180,8 @@ static int parse_options(struct super_block *s, char *data)
 			listmode = option & S_IRWXUGO;
 			break;
 		default:
-			err("usbfs: unrecognised mount option \"%s\" "
-			    "or missing value\n", p);
+			printk(KERN_ERR "usbfs: unrecognised mount option "
+			       "\"%s\" or missing value\n", p);
 			return -EINVAL;
 		}
 	}
@@ -601,7 +601,7 @@ static int create_special_files (void)
 	/* create the devices special file */
 	retval = simple_pin_fs(&usb_fs_type, &usbfs_mount, &usbfs_mount_count);
 	if (retval) {
-		err ("Unable to get usbfs mount");
+		printk(KERN_ERR "Unable to get usbfs mount\n");
 		goto exit;
 	}
 
@@ -613,7 +613,7 @@ static int create_special_files (void)
 					       NULL, &usbfs_devices_fops,
 					       listuid, listgid);
 	if (devices_usbfs_dentry == NULL) {
-		err ("Unable to create devices usbfs file");
+		printk(KERN_ERR "Unable to create devices usbfs file\n");
 		retval = -ENODEV;
 		goto error_clean_mounts;
 	}
@@ -665,7 +665,7 @@ static void usbfs_add_bus(struct usb_bus *bus)
 	bus->usbfs_dentry = fs_create_file (name, busmode | S_IFDIR, parent,
 					    bus, NULL, busuid, busgid);
 	if (bus->usbfs_dentry == NULL) {
-		err ("error creating usbfs bus entry");
+		printk(KERN_ERR "Error creating usbfs bus entry\n");
 		return;
 	}
 }
@@ -696,7 +696,7 @@ static void usbfs_add_device(struct usb_device *dev)
 					    &usbdev_file_operations,
 					    devuid, devgid);
 	if (dev->usbfs_dentry == NULL) {
-		err ("error creating usbfs device entry");
+		printk(KERN_ERR "Error creating usbfs device entry\n");
 		return;
 	}
 
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 175d528f402..f2638009a46 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -70,7 +70,7 @@ struct urb *usb_alloc_urb(int iso_packets, gfp_t mem_flags)
 		iso_packets * sizeof(struct usb_iso_packet_descriptor),
 		mem_flags);
 	if (!urb) {
-		err("alloc_urb: kmalloc failed");
+		printk(KERN_ERR "alloc_urb: kmalloc failed\n");
 		return NULL;
 	}
 	usb_init_urb(urb);
@@ -407,7 +407,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 
 	/* fail if submitter gave bogus flags */
 	if (urb->transfer_flags != orig_flags) {
-		err("BOGUS urb flags, %x --> %x",
+		dev_err(&dev->dev, "BOGUS urb flags, %x --> %x\n",
 			orig_flags, urb->transfer_flags);
 		return -EINVAL;
 	}
-- 
GitLab


From fd3f1917e345d852ef9ae36178719f4e639f70ae Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1246/2224] USB: remove err() macro from usb misc drivers

USB should not be having it's own printk macros, so remove err() and
use the system-wide standard of dev_err() wherever possible.  In the
few places that will not work out, use a basic printk().

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/misc/adutux.c         | 17 ++++++++++-------
 drivers/usb/misc/appledisplay.c   | 24 +++++++++++++-----------
 drivers/usb/misc/cypress_cy7c63.c |  6 +++---
 drivers/usb/misc/cytherm.c        |  6 +++---
 drivers/usb/misc/emi26.c          | 13 ++++++++-----
 5 files changed, 37 insertions(+), 29 deletions(-)

diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 92f58ccc8fb..7b6922e08ed 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -283,8 +283,8 @@ static int adu_open(struct inode *inode, struct file *file)
 
 	interface = usb_find_interface(&adu_driver, subminor);
 	if (!interface) {
-		err("%s - error, can't find device for minor %d",
-		    __func__, subminor);
+		printk(KERN_ERR "adutux: %s - error, can't find device for "
+		       "minor %d\n", __func__, subminor);
 		retval = -ENODEV;
 		goto exit_no_device;
 	}
@@ -416,7 +416,8 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count,
 	/* verify that the device wasn't unplugged */
 	if (dev->udev == NULL) {
 		retval = -ENODEV;
-		err("No device or device unplugged %d", retval);
+		printk(KERN_ERR "adutux: No device or device unplugged %d\n",
+		       retval);
 		goto exit;
 	}
 
@@ -576,7 +577,8 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 	/* verify that the device wasn't unplugged */
 	if (dev->udev == NULL) {
 		retval = -ENODEV;
-		err("No device or device unplugged %d", retval);
+		printk(KERN_ERR "adutux: No device or device unplugged %d\n",
+		       retval);
 		goto exit;
 	}
 
@@ -645,7 +647,8 @@ static ssize_t adu_write(struct file *file, const __user char *buffer,
 			retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL);
 			if (retval < 0) {
 				dev->out_urb_finished = 1;
-				err("Couldn't submit interrupt_out_urb %d", retval);
+				dev_err(&dev->udev->dev, "Couldn't submit "
+					"interrupt_out_urb %d\n", retval);
 				goto exit;
 			}
 
@@ -890,8 +893,8 @@ static int __init adu_init(void)
 	/* register this driver with the USB subsystem */
 	result = usb_register(&adu_driver);
 	if (result < 0) {
-		err("usb_register failed for the "__FILE__" driver. "
-		    "Error number %d", result);
+		printk(KERN_ERR "usb_register failed for the "__FILE__
+		       " driver. Error number %d\n", result);
 		goto exit;
 	}
 
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 71d672ea122..1d8e39a557d 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -130,7 +130,8 @@ static void appledisplay_complete(struct urb *urb)
 exit:
 	retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);
 	if (retval) {
-		err("%s - usb_submit_urb failed with result %d",
+		dev_err(&pdata->udev->dev,
+			"%s - usb_submit_urb failed with result %d\n",
 			__func__, retval);
 	}
 }
@@ -220,7 +221,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 		}
 	}
 	if (!int_in_endpointAddr) {
-		err("Could not find int-in endpoint");
+		dev_err(&iface->dev, "Could not find int-in endpoint\n");
 		return -EIO;
 	}
 
@@ -228,7 +229,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);
 	if (!pdata) {
 		retval = -ENOMEM;
-		err("Out of memory");
+		dev_err(&iface->dev, "Out of memory\n");
 		goto error;
 	}
 
@@ -241,8 +242,8 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);
 	if (!pdata->msgdata) {
 		retval = -ENOMEM;
-		err("appledisplay: Allocating buffer for control messages "
-			"failed");
+		dev_err(&iface->dev,
+			"Allocating buffer for control messages failed\n");
 		goto error;
 	}
 
@@ -250,7 +251,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata->urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!pdata->urb) {
 		retval = -ENOMEM;
-		err("appledisplay: Allocating URB failed");
+		dev_err(&iface->dev, "Allocating URB failed\n");
 		goto error;
 	}
 
@@ -259,7 +260,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 		GFP_KERNEL, &pdata->urb->transfer_dma);
 	if (!pdata->urbdata) {
 		retval = -ENOMEM;
-		err("appledisplay: Allocating URB buffer failed");
+		dev_err(&iface->dev, "Allocating URB buffer failed\n");
 		goto error;
 	}
 
@@ -270,7 +271,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 		pdata, 1);
 	if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {
 		retval = -EIO;
-		err("appledisplay: Submitting URB failed");
+		dev_err(&iface->dev, "Submitting URB failed\n");
 		goto error;
 	}
 
@@ -280,7 +281,7 @@ static int appledisplay_probe(struct usb_interface *iface,
 	pdata->bd = backlight_device_register(bl_name, NULL, pdata,
 						&appledisplay_bl_data);
 	if (IS_ERR(pdata->bd)) {
-		err("appledisplay: Backlight registration failed");
+		dev_err(&iface->dev, "Backlight registration failed\n");
 		goto error;
 	}
 
@@ -291,7 +292,8 @@ static int appledisplay_probe(struct usb_interface *iface,
 
 	if (brightness < 0) {
 		retval = brightness;
-		err("appledisplay: Error while getting initial brightness: %d", retval);
+		dev_err(&iface->dev,
+			"Error while getting initial brightness: %d\n", retval);
 		goto error;
 	}
 
@@ -352,7 +354,7 @@ static int __init appledisplay_init(void)
 {
 	wq = create_singlethread_workqueue("appledisplay");
 	if (!wq) {
-		err("Could not create work queue\n");
+		printk(KERN_ERR "appledisplay: Could not create work queue\n");
 		return -ENOMEM;
 	}
 
diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c
index 937940404b7..5720bfef6a3 100644
--- a/drivers/usb/misc/cypress_cy7c63.c
+++ b/drivers/usb/misc/cypress_cy7c63.c
@@ -278,9 +278,9 @@ static int __init cypress_init(void)
 
 	/* register this driver with the USB subsystem */
 	result = usb_register(&cypress_driver);
-	if (result) {
-		err("Function usb_register failed! Error number: %d\n", result);
-	}
+	if (result)
+		printk(KERN_ERR KBUILD_MODNAME ": usb_register failed! "
+		       "Error number: %d\n", result);
 
 	return result;
 }
diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c
index 68e1d172387..4fb3c38b924 100644
--- a/drivers/usb/misc/cytherm.c
+++ b/drivers/usb/misc/cytherm.c
@@ -422,9 +422,9 @@ static int __init usb_cytherm_init(void)
 	int result;
 
 	result = usb_register(&cytherm_driver);
-	if (result) 
-	{	
-		err("usb_register failed. Error number %d", result);
+	if (result) {
+		printk(KERN_ERR KBUILD_MODNAME ": usb_register failed! "
+		       "Error number: %d\n", result);
 		return result;
 	}
 
diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 1ee72055f46..e762beb5f3c 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -50,7 +50,7 @@ static int emi26_writememory (struct usb_device *dev, int address,
 	unsigned char *buffer =  kmemdup(data, length, GFP_KERNEL);
 
 	if (!buffer) {
-		err("emi26: kmalloc(%d) failed.", length);
+		dev_err(&dev->dev, "kmalloc(%d) failed.\n", length);
 		return -ENOMEM;
 	}
 	/* Note: usb_control_msg returns negative value on error or length of the
@@ -68,7 +68,7 @@ static int emi26_set_reset (struct usb_device *dev, unsigned char reset_bit)
 	/* printk(KERN_DEBUG "%s - %d", __func__, reset_bit); */
 	response = emi26_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0);
 	if (response < 0) {
-		err("emi26: set_reset (%d) failed", reset_bit);
+		dev_err(&dev->dev, "set_reset (%d) failed\n", reset_bit);
 	}
 	return response;
 }
@@ -88,7 +88,8 @@ static int emi26_load_firmware (struct usb_device *dev)
 
 	buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL);
 	if (!buf) {
-		err( "%s - error loading firmware: error = %d", __func__, -ENOMEM);
+		dev_err(&dev->dev, "%s - error loading firmware: error = %d\n",
+			__func__, -ENOMEM);
 		err = -ENOMEM;
 		goto wraperr;
 	}
@@ -106,14 +107,16 @@ static int emi26_load_firmware (struct usb_device *dev)
 				    &dev->dev);
 	if (err) {
 	nofw:
-		err( "%s - request_firmware() failed", __func__);
+		dev_err(&dev->dev, "%s - request_firmware() failed\n",
+			__func__);
 		goto wraperr;
 	}
 
 	/* Assert reset (stop the CPU in the EMI) */
 	err = emi26_set_reset(dev,1);
 	if (err < 0) {
-		err( "%s - error loading firmware: error = %d", __func__, err);
+		dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
+			__func__, err);
 		goto wraperr;
 	}
 
-- 
GitLab


From 802f389a2cc6e2771b8de915ac241456d41eb79e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Thu, 14 Aug 2008 09:37:34 -0700
Subject: [PATCH 1247/2224] USB: remove err() macro from more usb drivers

USB should not be having it's own printk macros, so remove err() and
use the system-wide standard of dev_err() wherever possible.  In the
few places that will not work out, use a basic printk().

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/host/isp1760-if.c   |  2 +-
 drivers/usb/host/r8a66597-hcd.c | 51 +++++++++++++++++----------------
 drivers/usb/image/mdc800.c      | 46 ++++++++++++++++++-----------
 drivers/usb/storage/onetouch.c  |  9 +++---
 4 files changed, 63 insertions(+), 45 deletions(-)

diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index ad44bd60df9..af849f59613 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -218,7 +218,7 @@ static int __devinit isp1761_pci_probe(struct pci_dev *dev,
 	 * and reading back and checking the contents are same or not
 	 */
 	if (reg_data != 0xFACE) {
-		err("scratch register mismatch %x", reg_data);
+		dev_err(&dev->dev, "scratch register mismatch %x\n", reg_data);
 		goto clean;
 	}
 
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index 2a9bec264ad..c18d8790c41 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -118,7 +118,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
 		r8a66597_write(r8a66597, SCKE, SYSCFG0);
 		tmp = r8a66597_read(r8a66597, SYSCFG0);
 		if (i++ > 1000) {
-			err("register access fail.");
+			printk(KERN_ERR "r8a66597: register access fail.\n");
 			return -ENXIO;
 		}
 	} while ((tmp & SCKE) != SCKE);
@@ -128,7 +128,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
 		r8a66597_write(r8a66597, USBE, SYSCFG0);
 		tmp = r8a66597_read(r8a66597, SYSCFG0);
 		if (i++ > 1000) {
-			err("register access fail.");
+			printk(KERN_ERR "r8a66597: register access fail.\n");
 			return -ENXIO;
 		}
 	} while ((tmp & USBE) != USBE);
@@ -141,7 +141,7 @@ static int r8a66597_clock_enable(struct r8a66597 *r8a66597)
 		msleep(1);
 		tmp = r8a66597_read(r8a66597, SYSCFG0);
 		if (i++ > 500) {
-			err("register access fail.");
+			printk(KERN_ERR "r8a66597: register access fail.\n");
 			return -ENXIO;
 		}
 	} while ((tmp & SCKE) != SCKE);
@@ -265,7 +265,7 @@ static void get_port_number(char *devpath, u16 *root_port, u16 *hub_port)
 	if (root_port) {
 		*root_port = (devpath[0] & 0x0F) - 1;
 		if (*root_port >= R8A66597_MAX_ROOT_HUB)
-			err("illegal root port number");
+			printk(KERN_ERR "r8a66597: Illegal root port number.\n");
 	}
 	if (hub_port)
 		*hub_port = devpath[2] & 0x0F;
@@ -286,7 +286,7 @@ static u16 get_r8a66597_usb_speed(enum usb_device_speed speed)
 		usbspd = HSMODE;
 		break;
 	default:
-		err("unknown speed");
+		printk(KERN_ERR "r8a66597: unknown speed\n");
 		break;
 	}
 
@@ -385,7 +385,7 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
 	struct r8a66597_device *dev;
 
 	if (is_hub_limit(urb->dev->devpath)) {
-		err("Externel hub limit reached.");
+		dev_err(&urb->dev->dev, "External hub limit reached.\n");
 		return 0;
 	}
 
@@ -406,8 +406,9 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
 		return addr;
 	}
 
-	err("cannot communicate with a USB device more than 10.(%x)",
-	    r8a66597->address_map);
+	dev_err(&urb->dev->dev,
+		"cannot communicate with a USB device more than 10.(%x)\n",
+		r8a66597->address_map);
 
 	return 0;
 }
@@ -447,7 +448,8 @@ static void r8a66597_reg_wait(struct r8a66597 *r8a66597, unsigned long reg,
 	do {
 		tmp = r8a66597_read(r8a66597, reg);
 		if (i++ > 1000000) {
-			err("register%lx, loop %x is timeout", reg, loop);
+			printk(KERN_ERR "r8a66597: register%lx, loop %x "
+			       "is timeout\n", reg, loop);
 			break;
 		}
 		ndelay(1);
@@ -675,7 +677,7 @@ static u16 get_empty_pipenum(struct r8a66597 *r8a66597,
 			array[i++] = 1;
 		break;
 	default:
-		err("Illegal type");
+		printk(KERN_ERR "r8a66597: Illegal type\n");
 		return 0;
 	}
 
@@ -705,7 +707,7 @@ static u16 get_r8a66597_type(__u8 type)
 		r8a66597_type = R8A66597_ISO;
 		break;
 	default:
-		err("Illegal type");
+		printk(KERN_ERR "r8a66597: Illegal type\n");
 		r8a66597_type = 0x0000;
 		break;
 	}
@@ -724,7 +726,7 @@ static u16 get_bufnum(u16 pipenum)
 	else if (check_interrupt(pipenum))
 		bufnum = 4 + (pipenum - 6);
 	else
-		err("Illegal pipenum (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
 
 	return bufnum;
 }
@@ -740,7 +742,7 @@ static u16 get_buf_bsize(u16 pipenum)
 	else if (check_interrupt(pipenum))
 		buf_bsize = 0;
 	else
-		err("Illegal pipenum (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: Illegal pipenum (%d)\n", pipenum);
 
 	return buf_bsize;
 }
@@ -1189,7 +1191,7 @@ static int start_transfer(struct r8a66597 *r8a66597, struct r8a66597_td *td)
 		prepare_status_packet(r8a66597, td);
 		break;
 	default:
-		err("invalid type.");
+		printk(KERN_ERR "r8a66597: invalid type.\n");
 		break;
 	}
 
@@ -1297,7 +1299,7 @@ static void packet_read(struct r8a66597 *r8a66597, u16 pipenum)
 	if (unlikely((tmp & FRDY) == 0)) {
 		pipe_stop(r8a66597, td->pipe);
 		pipe_irq_disable(r8a66597, pipenum);
-		err("in fifo not ready (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: in fifo not ready (%d)\n", pipenum);
 		finish_request(r8a66597, td, pipenum, td->urb, -EPIPE);
 		return;
 	}
@@ -1372,7 +1374,7 @@ static void packet_write(struct r8a66597 *r8a66597, u16 pipenum)
 	if (unlikely((tmp & FRDY) == 0)) {
 		pipe_stop(r8a66597, td->pipe);
 		pipe_irq_disable(r8a66597, pipenum);
-		err("out write fifo not ready. (%d)", pipenum);
+		printk(KERN_ERR "r8a66597: out fifo not ready (%d)\n", pipenum);
 		finish_request(r8a66597, td, pipenum, urb, -EPIPE);
 		return;
 	}
@@ -2007,7 +2009,7 @@ static struct r8a66597_device *get_r8a66597_device(struct r8a66597 *r8a66597,
 		return dev;
 	}
 
-	err("get_r8a66597_device fail.(%d)\n", addr);
+	printk(KERN_ERR "r8a66597: get_r8a66597_device fail.(%d)\n", addr);
 	return NULL;
 }
 
@@ -2276,7 +2278,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 
 	if (pdev->dev.dma_mask) {
 		ret = -EINVAL;
-		err("dma not support");
+		dev_err(&pdev->dev, "dma not supported\n");
 		goto clean_up;
 	}
 
@@ -2284,14 +2286,15 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 					   (char *)hcd_name);
 	if (!res) {
 		ret = -ENODEV;
-		err("platform_get_resource_byname error.");
+		dev_err(&pdev->dev, "platform_get_resource_byname error.\n");
 		goto clean_up;
 	}
 
 	ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!ires) {
 		ret = -ENODEV;
-		err("platform_get_resource IORESOURCE_IRQ error.");
+		dev_err(&pdev->dev,
+			"platform_get_resource IORESOURCE_IRQ error.\n");
 		goto clean_up;
 	}
 
@@ -2301,7 +2304,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 	reg = ioremap(res->start, resource_len(res));
 	if (reg == NULL) {
 		ret = -ENOMEM;
-		err("ioremap error.");
+		dev_err(&pdev->dev, "ioremap error.\n");
 		goto clean_up;
 	}
 
@@ -2309,7 +2312,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 	hcd = usb_create_hcd(&r8a66597_hc_driver, &pdev->dev, (char *)hcd_name);
 	if (!hcd) {
 		ret = -ENOMEM;
-		err("Failed to create hcd");
+		dev_err(&pdev->dev, "Failed to create hcd\n");
 		goto clean_up;
 	}
 	r8a66597 = hcd_to_r8a66597(hcd);
@@ -2355,12 +2358,12 @@ static int __init r8a66597_probe(struct platform_device *pdev)
 			}
 			break;
 		default:
-			err("Unknown irq_sense value.");
+			dev_err(&pdev->dev, "Unknown irq_sense value.\n");
 	}
 
 	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | irq_trigger);
 	if (ret != 0) {
-		err("Failed to add hcd");
+		dev_err(&pdev->dev, "Failed to add hcd\n");
 		goto clean_up;
 	}
 
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index dd432c8feaf..878c77ca086 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -355,7 +355,7 @@ static int mdc800_usb_waitForIRQ (int mode, int msec)
 	if (mdc800->camera_request_ready>0)
 	{
 		mdc800->camera_request_ready=0;
-		err ("timeout waiting for camera.");
+		dev_err(&mdc800->dev->dev, "timeout waiting for camera.\n");
 		return -1;
 	}
 	
@@ -380,7 +380,8 @@ static void mdc800_usb_write_notify (struct urb *urb)
 	int status = urb->status;
 
 	if (status != 0)
-		err ("writing command fails (status=%i)", status);
+		dev_err(&mdc800->dev->dev,
+			"writing command fails (status=%i)\n", status);
 	else
 		mdc800->state=READY;
 	mdc800->written = 1;
@@ -407,7 +408,8 @@ static void mdc800_usb_download_notify (struct urb *urb)
 			mdc800->state=READY;
 		}
 	} else {
-		err ("request bytes fails (status:%i)", status);
+		dev_err(&mdc800->dev->dev,
+			"request bytes fails (status:%i)\n", status);
 	}
 	mdc800->downloaded = 1;
 	wake_up (&mdc800->download_wait);
@@ -450,7 +452,8 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 
 	if (dev->descriptor.bNumConfigurations != 1)
 	{
-		err ("probe fails -> wrong Number of Configuration");
+		dev_err(&intf->dev,
+			"probe fails -> wrong Number of Configuration\n");
 		return -ENODEV;
 	}
 	intf_desc = intf->cur_altsetting;
@@ -462,7 +465,7 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 		|| ( intf_desc->desc.bNumEndpoints != 4)
 	)
 	{
-		err ("probe fails -> wrong Interface");
+		dev_err(&intf->dev, "probe fails -> wrong Interface\n");
 		return -ENODEV;
 	}
 
@@ -483,7 +486,7 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 		}
 		if (mdc800->endpoint[i] == -1)
 		{
-			err ("probe fails -> Wrong Endpoints.");
+			dev_err(&intf->dev, "probe fails -> Wrong Endpoints.\n");
 			return -ENODEV;
 		}
 	}
@@ -495,7 +498,7 @@ static int mdc800_usb_probe (struct usb_interface *intf,
 
 	retval = usb_register_dev(intf, &mdc800_class);
 	if (retval) {
-		err ("Not able to get a minor for this device.");
+		dev_err(&intf->dev, "Not able to get a minor for this device.\n");
 		return -ENODEV;
 	}
 
@@ -645,7 +648,8 @@ static int mdc800_device_open (struct inode* inode, struct file *file)
 	mdc800->irq_urb->dev = mdc800->dev;
 	retval = usb_submit_urb (mdc800->irq_urb, GFP_KERNEL);
 	if (retval) {
-		err ("request USB irq fails (submit_retval=%i).", retval);
+		dev_err(&mdc800->dev->dev,
+			"request USB irq fails (submit_retval=%i).\n", retval);
 		errn = -EIO;
 		goto error_out;
 	}
@@ -735,7 +739,9 @@ static ssize_t mdc800_device_read (struct file *file, char __user *buf, size_t l
 				mdc800->download_urb->dev = mdc800->dev;
 				retval = usb_submit_urb (mdc800->download_urb, GFP_KERNEL);
 				if (retval) {
-					err ("Can't submit download urb (retval=%i)",retval);
+					dev_err(&mdc800->dev->dev,
+						"Can't submit download urb "
+						"(retval=%i)\n", retval);
 					mutex_unlock(&mdc800->io_lock);
 					return len-left;
 				}
@@ -744,7 +750,10 @@ static ssize_t mdc800_device_read (struct file *file, char __user *buf, size_t l
 				mdc800->downloaded = 0;
 				if (mdc800->download_urb->status != 0)
 				{
-					err ("request download-bytes fails (status=%i)",mdc800->download_urb->status);
+					dev_err(&mdc800->dev->dev,
+						"request download-bytes fails "
+						"(status=%i)\n",
+						mdc800->download_urb->status);
 					mutex_unlock(&mdc800->io_lock);
 					return len-left;
 				}
@@ -841,7 +850,8 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 
 			if (mdc800_usb_waitForIRQ (0,TO_GET_READY))
 			{
-				err ("Camera didn't get ready.\n");
+				dev_err(&mdc800->dev->dev,
+					"Camera didn't get ready.\n");
 				mutex_unlock(&mdc800->io_lock);
 				return -EIO;
 			}
@@ -853,7 +863,9 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 			mdc800->write_urb->dev = mdc800->dev;
 			retval = usb_submit_urb (mdc800->write_urb, GFP_KERNEL);
 			if (retval) {
-				err ("submitting write urb fails (retval=%i)", retval);
+				dev_err(&mdc800->dev->dev,
+					"submitting write urb fails "
+					"(retval=%i)\n", retval);
 				mutex_unlock(&mdc800->io_lock);
 				return -EIO;
 			}
@@ -872,7 +884,9 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 				case 0x3e: /* Take shot in Fine Mode (WCam Mode) */
 					if (mdc800->pic_len < 0)
 					{
-						err ("call 0x07 before 0x05,0x3e");
+						dev_err(&mdc800->dev->dev,
+							"call 0x07 before "
+							"0x05,0x3e\n");
 						mdc800->state=READY;
 						mutex_unlock(&mdc800->io_lock);
 						return -EIO;
@@ -892,7 +906,7 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 
 						if (mdc800_usb_waitForIRQ (1,TO_READ_FROM_IRQ))
 						{
-							err ("requesting answer from irq fails");
+							dev_err(&mdc800->dev->dev, "requesting answer from irq fails\n");
 							mutex_unlock(&mdc800->io_lock);
 							return -EIO;
 						}
@@ -920,7 +934,7 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s
 					{
 						if (mdc800_usb_waitForIRQ (0,TO_DEFAULT_COMMAND))
 						{
-							err ("Command Timeout.");
+							dev_err(&mdc800->dev->dev, "Command Timeout.\n");
 							mutex_unlock(&mdc800->io_lock);
 							return -EIO;
 						}
@@ -1031,7 +1045,7 @@ cleanup_on_fail:
 
 	if (mdc800 != NULL)
 	{
-		err ("can't alloc memory!");
+		printk(KERN_ERR "mdc800: can't alloc memory!\n");
 
 		kfree(mdc800->download_urb_buffer);
 		kfree(mdc800->write_urb_buffer);
diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c
index 98b89ea9e31..c7bf8954b4e 100644
--- a/drivers/usb/storage/onetouch.c
+++ b/drivers/usb/storage/onetouch.c
@@ -78,8 +78,8 @@ static void usb_onetouch_irq(struct urb *urb)
 resubmit:
 	retval = usb_submit_urb (urb, GFP_ATOMIC);
 	if (retval)
-		err ("can't resubmit intr, %s-%s/input0, retval %d",
-			onetouch->udev->bus->bus_name,
+		dev_err(&dev->dev, "can't resubmit intr, %s-%s/input0, "
+			"retval %d\n", onetouch->udev->bus->bus_name,
 			onetouch->udev->devpath, retval);
 }
 
@@ -90,7 +90,7 @@ static int usb_onetouch_open(struct input_dev *dev)
 	onetouch->is_open = 1;
 	onetouch->irq->dev = onetouch->udev;
 	if (usb_submit_urb(onetouch->irq, GFP_KERNEL)) {
-		err("usb_submit_urb failed");
+		dev_err(&dev->dev, "usb_submit_urb failed\n");
 		return -EIO;
 	}
 
@@ -117,7 +117,8 @@ static void usb_onetouch_pm_hook(struct us_data *us, int action)
 			break;
 		case US_RESUME:
 			if (usb_submit_urb(onetouch->irq, GFP_KERNEL) != 0)
-				err("usb_submit_urb failed");
+				dev_err(&onetouch->irq->dev->dev,
+					"usb_submit_urb failed\n");
 			break;
 		default:
 			break;
-- 
GitLab


From 8fd145917fb62368a9b80db59562c20576238f5a Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Fri, 17 Oct 2008 14:22:27 -0400
Subject: [PATCH 1248/2224] ACPI: Ingore the RESET_REG_SUP bit when using ACPI
 reset mechanism

According to ACPI 3.0, FADT.flags.RESET_REG_SUP indicates
whether the ACPI reboot mechanism is supported.

However, some boxes have this bit clear, have a valid
ACPI_RESET_REG & RESET_VALUE, and ACPI reboot is the only
mechanism that works for them after S3.

This suggests that other operating systems may not be checking
the RESET_REG_SUP bit, and are using other means to decide
whether to use the ACPI reboot mechanism or not.

Here we stop checking RESET_REG_SUP.
Instead, When acpi reboot is requested,
only the reset_register is checked. If the following
conditions are met, it indicates that the reset register is supported.
	a. reset_register is not zero
	b. the access width is eight
	c. the bit_offset is zero

http://bugzilla.kernel.org/show_bug.cgi?id=7299
http://bugzilla.kernel.org/show_bug.cgi?id=1148

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/reboot.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index a6b662c00b6..755baf2ca70 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -15,9 +15,28 @@ void acpi_reboot(void)
 
 	rr = &acpi_gbl_FADT.reset_register;
 
-	/* Is the reset register supported? */
-	if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
-	    rr->bit_width != 8 || rr->bit_offset != 0)
+	/*
+	 * Is the ACPI reset register supported?
+	 *
+	 * According to ACPI 3.0, FADT.flags.RESET_REG_SUP indicates
+	 * whether the ACPI reset mechanism is supported.
+	 *
+	 * However, some boxes have this bit clear, yet a valid
+	 * ACPI_RESET_REG & RESET_VALUE, and ACPI reboot is the only
+	 * mechanism that works for them after S3.
+	 *
+	 * This suggests that other operating systems may not be checking
+	 * the RESET_REG_SUP bit, and are using other means to decide
+	 * whether to use the ACPI reboot mechanism or not.
+	 *
+	 * So when acpi reboot is requested,
+	 * only the reset_register is checked. If the following
+	 * conditions are met, it indicates that the reset register is supported.
+	 * 	a. reset_register is not zero
+	 * 	b. the access width is eight
+	 * 	c. the bit_offset is zero
+	 */
+	if (!(rr->address) || rr->bit_width != 8 || rr->bit_offset != 0)
 		return;
 
 	reset_value = acpi_gbl_FADT.reset_value;
-- 
GitLab


From a66547f3a1295d782fc0923d872b309994cea32a Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 17 Oct 2008 11:28:11 -0700
Subject: [PATCH 1249/2224] sound: add missing pcm kernel-doc

Fix alsa kernel-doc warning in linux-next:

Warning(linux-next-20081016//sound/core/pcm_misc.c:327): No description found for parameter 'samples'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/pcm_misc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index 89b7f549beb..ea2bf82c937 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -319,6 +319,7 @@ EXPORT_SYMBOL(snd_pcm_format_physical_width);
 /**
  * snd_pcm_format_size - return the byte size of samples on the given format
  * @format: the format to check
+ * @samples: sampling rate
  *
  * Returns the byte size of the given samples for the format, or a
  * negative error code if unknown format.
-- 
GitLab


From ecd5b3102322011610a2521c389ab5804c811837 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@rpsys.net>
Date: Sat, 26 Jul 2008 09:17:41 +0100
Subject: [PATCH 1250/2224] [MTD] mtdoops: Fix an off by one error

Fix an off by one error in the mtdoops driver

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdoops.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 5a680e1e61f..f40e45727ae 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -99,7 +99,7 @@ static void mtdoops_inc_counter(struct mtdoops_context *cxt)
 	int ret;
 
 	cxt->nextpage++;
-	if (cxt->nextpage > cxt->oops_pages)
+	if (cxt->nextpage >= cxt->oops_pages)
 		cxt->nextpage = 0;
 	cxt->nextcount++;
 	if (cxt->nextcount == 0xffffffff)
@@ -141,7 +141,7 @@ static void mtdoops_workfunc_erase(struct work_struct *work)
 	mod = (cxt->nextpage * OOPS_PAGE_SIZE) % mtd->erasesize;
 	if (mod != 0) {
 		cxt->nextpage = cxt->nextpage + ((mtd->erasesize - mod) / OOPS_PAGE_SIZE);
-		if (cxt->nextpage > cxt->oops_pages)
+		if (cxt->nextpage >= cxt->oops_pages)
 			cxt->nextpage = 0;
 	}
 
@@ -158,7 +158,7 @@ badblock:
 				cxt->nextpage * OOPS_PAGE_SIZE);
 		i++;
 		cxt->nextpage = cxt->nextpage + (mtd->erasesize / OOPS_PAGE_SIZE);
-		if (cxt->nextpage > cxt->oops_pages)
+		if (cxt->nextpage >= cxt->oops_pages)
 			cxt->nextpage = 0;
 		if (i == (cxt->oops_pages / (mtd->erasesize / OOPS_PAGE_SIZE))) {
 			printk(KERN_ERR "mtdoops: All blocks bad!\n");
-- 
GitLab


From f0482ee3669a78bdb1e15b9f9c58a9f1ffc5a997 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@rpsys.net>
Date: Sat, 26 Jul 2008 09:22:45 +0100
Subject: [PATCH 1251/2224] [MTD] mtdoops: Add a magic number to logged kernel
 oops

Add a magic number to logged kernel oops messages so that they
can be more accurately detected rather than just having to rely
on the sequence number. This also allows easier detection of
saved crashes by userspace.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdoops.c | 32 ++++++++++++++++++--------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index f40e45727ae..6f6b2f3c70d 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -33,6 +33,7 @@
 #include <linux/interrupt.h>
 #include <linux/mtd/mtd.h>
 
+#define MTDOOPS_KERNMSG_MAGIC 0x5d005d00
 #define OOPS_PAGE_SIZE 4096
 
 static struct mtdoops_context {
@@ -224,31 +225,33 @@ static void find_next_position(struct mtdoops_context *cxt)
 {
 	struct mtd_info *mtd = cxt->mtd;
 	int ret, page, maxpos = 0;
-	u32 count, maxcount = 0xffffffff;
+	u32 count[2], maxcount = 0xffffffff;
 	size_t retlen;
 
 	for (page = 0; page < cxt->oops_pages; page++) {
-		ret = mtd->read(mtd, page * OOPS_PAGE_SIZE, 4, &retlen, (u_char *) &count);
-		if ((retlen != 4) || ((ret < 0) && (ret != -EUCLEAN))) {
-			printk(KERN_ERR "mtdoops: Read failure at %d (%td of 4 read)"
+		ret = mtd->read(mtd, page * OOPS_PAGE_SIZE, 8, &retlen, (u_char *) &count[0]);
+		if ((retlen != 8) || ((ret < 0) && (ret != -EUCLEAN))) {
+			printk(KERN_ERR "mtdoops: Read failure at %d (%td of 8 read)"
 				", err %d.\n", page * OOPS_PAGE_SIZE, retlen, ret);
 			continue;
 		}
 
-		if (count == 0xffffffff)
+		if (count[1] != MTDOOPS_KERNMSG_MAGIC)
+			continue;
+		if (count[0] == 0xffffffff)
 			continue;
 		if (maxcount == 0xffffffff) {
-			maxcount = count;
+			maxcount = count[0];
 			maxpos = page;
-		} else if ((count < 0x40000000) && (maxcount > 0xc0000000)) {
-			maxcount = count;
+		} else if ((count[0] < 0x40000000) && (maxcount > 0xc0000000)) {
+			maxcount = count[0];
 			maxpos = page;
-		} else if ((count > maxcount) && (count < 0xc0000000)) {
-			maxcount = count;
+		} else if ((count[0] > maxcount) && (count[0] < 0xc0000000)) {
+			maxcount = count[0];
 			maxpos = page;
-		} else if ((count > maxcount) && (count > 0xc0000000)
+		} else if ((count[0] > maxcount) && (count[0] > 0xc0000000)
 					&& (maxcount > 0x80000000)) {
-			maxcount = count;
+			maxcount = count[0];
 			maxpos = page;
 		}
 	}
@@ -358,8 +361,9 @@ mtdoops_console_write(struct console *co, const char *s, unsigned int count)
 
 	if (cxt->writecount == 0) {
 		u32 *stamp = cxt->oops_buf;
-		*stamp = cxt->nextcount;
-		cxt->writecount = 4;
+		*stamp++ = cxt->nextcount;
+		*stamp = MTDOOPS_KERNMSG_MAGIC;
+		cxt->writecount = 8;
 	}
 
 	if ((count + cxt->writecount) > OOPS_PAGE_SIZE)
-- 
GitLab


From 43b5693d404127697d62962def8c1bfe3a89811a Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@rpsys.net>
Date: Sat, 26 Jul 2008 09:25:18 +0100
Subject: [PATCH 1252/2224] [MTD] mtdoops: Fix a bug where block may not be
 erased

This makes the driver erase a block when it doesn't find any
existing saved log messages which is safer than assuming the
flash was already erased.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/mtdoops.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 6f6b2f3c70d..aebb3b27edb 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -258,9 +258,7 @@ static void find_next_position(struct mtdoops_context *cxt)
 	if (maxcount == 0xffffffff) {
 		cxt->nextpage = 0;
 		cxt->nextcount = 1;
-		cxt->ready = 1;
-		printk(KERN_DEBUG "mtdoops: Ready %d, %d (first init)\n",
-				cxt->nextpage, cxt->nextcount);
+		schedule_work(&cxt->work_erase);
 		return;
 	}
 
-- 
GitLab


From 5bf1723723487ddb0b9c9641b6559da96b27cc93 Mon Sep 17 00:00:00 2001
From: Alexander Belyakov <abelyako@mail.ru>
Date: Fri, 17 Oct 2008 19:19:13 +0400
Subject: [PATCH 1253/2224] [JFFS2] Write buffer offset adjustment for NOR-ECC
 (Sibley) flash

After choosing new c->nextblock, don't leave the wbuf offset field
occasionally pointing at the start of the next physical eraseblock.
This was causing a BUG() on NOR-ECC (Sibley) flash, where we start
writing after the cleanmarker.

Among other this fix should cover write buffer offset adjustment
after flushing the last page of an eraseblock.

Signed-off-by: Alexander Belyakov <abelyako@googlemail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 fs/jffs2/nodemgmt.c | 4 ++++
 fs/jffs2/wbuf.c     | 5 +----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index a9bf9603c1b..0875b60b4bf 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -261,6 +261,10 @@ static int jffs2_find_nextblock(struct jffs2_sb_info *c)
 
 	jffs2_sum_reset_collected(c->summary); /* reset collected summary */
 
+	/* adjust write buffer offset, else we get a non contiguous write bug */
+	if (!(c->wbuf_ofs % c->sector_size) && !c->wbuf_len)
+		c->wbuf_ofs = 0xffffffff;
+
 	D1(printk(KERN_DEBUG "jffs2_find_nextblock(): new nextblock = 0x%08x\n", c->nextblock->offset));
 
 	return 0;
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 0e78b00035e..d9a721e6db7 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -679,10 +679,7 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad)
 
 	memset(c->wbuf,0xff,c->wbuf_pagesize);
 	/* adjust write buffer offset, else we get a non contiguous write bug */
-	if (SECTOR_ADDR(c->wbuf_ofs) == SECTOR_ADDR(c->wbuf_ofs+c->wbuf_pagesize))
-		c->wbuf_ofs += c->wbuf_pagesize;
-	else
-		c->wbuf_ofs = 0xffffffff;
+	c->wbuf_ofs += c->wbuf_pagesize;
 	c->wbuf_len = 0;
 	return 0;
 }
-- 
GitLab


From 6b8520296d67622dfa225436ef325f7dfd6ece8e Mon Sep 17 00:00:00 2001
From: Manish Katiyar <mkatiyar@gmail.com>
Date: Tue, 14 Oct 2008 23:43:29 +0530
Subject: [PATCH 1254/2224] [MTD] [NAND] Fix compilation warnings in
 drivers/mtd/nand/cs553x_nand.c

Below patch fixes the following compilation warnings.
drivers/mtd/nand/cs553x_nand.c:293: warning: unused variable 'mtd_parts'
drivers/mtd/nand/cs553x_nand.c:292: warning: unused variable 'mtd_parts_nb'

Signed-off-by: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/cs553x_nand.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
index 3370a800fd3..9f1b451005c 100644
--- a/drivers/mtd/nand/cs553x_nand.c
+++ b/drivers/mtd/nand/cs553x_nand.c
@@ -289,8 +289,10 @@ static int __init cs553x_init(void)
 	int i;
 	uint64_t val;
 
+#ifdef CONFIG_MTD_PARTITIONS
 	int mtd_parts_nb = 0;
 	struct mtd_partition *mtd_parts = NULL;
+#endif
 
 	/* If the CPU isn't a Geode GX or LX, abort */
 	if (!is_geode())
-- 
GitLab


From 87e92c062b19eea6054532f8143a91242f104a6f Mon Sep 17 00:00:00 2001
From: Christopher Moore <moore@free.fr>
Date: Fri, 17 Oct 2008 05:32:22 +0200
Subject: [PATCH 1255/2224] [MTD] cfi_cmdset_0002.c: Add Macronix CFI V1.0
 TopBottom detection

This patch adds TopBottom detection for most Macronix chips with CFI V1.0.

The main purpose of this patch is to add detection of the MX29LV400C B
used on the LaCie Ethernet Disk mini V2 NAS.

It detects the following parts correctly:-
MX28F640C3B T
MX29LV002C  B
MX29LV002NC B
MX29LV004C  T
MX29LV400C  T/B
MX29LV800C  T/B
MX29LV160C  T/B
MX29SL800C  T/B
MX29SL802C  T/B

It detects the following uniform part as bottom but it should work
correctly:-
MX29LV040C

For T parts it causes the erase block table to be reversed correctly.
For other parts it avoids the bogus "Assuming top" message.

It does not detect the following correctly:-
MX28F640C3B B
MX29LV002C  T
MX29LV002NC T
MX29LV004C  B
MX29SL400C  T/B
MX29SL402C  T/B

If desired I could supply a more complicated patch to handle these as
well.

Only the MX29LV400C B has been physically tested; others were checked
against their data sheets.

Signed-off-by: Christopher Moore <moore@free.fr>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 36 +++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index a972cc6be43..db16b7b0723 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -13,6 +13,8 @@
  * XIP support hooks by Vitaly Wool (based on code for Intel flash
  * by Nicolas Pitre)
  *
+ * 25/09/2008 Christopher Moore: TopBottom fixup for many Macronix with CFI V1.0
+ *
  * Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
  *
  * This code is GPL
@@ -43,6 +45,7 @@
 
 #define MANUFACTURER_AMD	0x0001
 #define MANUFACTURER_ATMEL	0x001F
+#define MANUFACTURER_MACRONIX	0x00C2
 #define MANUFACTURER_SST	0x00BF
 #define SST49LF004B	        0x0060
 #define SST49LF040B	        0x0050
@@ -144,12 +147,44 @@ static void fixup_amd_bootblock(struct mtd_info *mtd, void* param)
 
 	if (((major << 8) | minor) < 0x3131) {
 		/* CFI version 1.0 => don't trust bootloc */
+
+		DEBUG(MTD_DEBUG_LEVEL1,
+			"%s: JEDEC Vendor ID is 0x%02X Device ID is 0x%02X\n",
+			map->name, cfi->mfr, cfi->id);
+
+		/* AFAICS all 29LV400 with a bottom boot block have a device ID
+		 * of 0x22BA in 16-bit mode and 0xBA in 8-bit mode.
+		 * These were badly detected as they have the 0x80 bit set
+		 * so treat them as a special case.
+		 */
+		if (((cfi->id == 0xBA) || (cfi->id == 0x22BA)) &&
+
+			/* Macronix added CFI to their 2nd generation
+			 * MX29LV400C B/T but AFAICS no other 29LV400 (AMD,
+			 * Fujitsu, Spansion, EON, ESI and older Macronix)
+			 * has CFI.
+			 *
+			 * Therefore also check the manufacturer.
+			 * This reduces the risk of false detection due to
+			 * the 8-bit device ID.
+			 */
+			(cfi->mfr == MANUFACTURER_MACRONIX)) {
+			DEBUG(MTD_DEBUG_LEVEL1,
+				"%s: Macronix MX29LV400C with bottom boot block"
+				" detected\n", map->name);
+			extp->TopBottom = 2;	/* bottom boot */
+		} else
 		if (cfi->id & 0x80) {
 			printk(KERN_WARNING "%s: JEDEC Device ID is 0x%02X. Assuming broken CFI table.\n", map->name, cfi->id);
 			extp->TopBottom = 3;	/* top boot */
 		} else {
 			extp->TopBottom = 2;	/* bottom boot */
 		}
+
+		DEBUG(MTD_DEBUG_LEVEL1,
+			"%s: AMD CFI PRI V%c.%c has no boot block field;"
+			" deduced %s from Device ID\n", map->name, major, minor,
+			extp->TopBottom == 2 ? "bottom" : "top");
 	}
 }
 #endif
@@ -243,6 +278,7 @@ static struct cfi_fixup cfi_fixup_table[] = {
 	{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
 #ifdef AMD_BOOTLOC_BUG
 	{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
+	{ MANUFACTURER_MACRONIX, CFI_ID_ANY, fixup_amd_bootblock, NULL },
 #endif
 	{ CFI_MFR_AMD, 0x0050, fixup_use_secsi, NULL, },
 	{ CFI_MFR_AMD, 0x0053, fixup_use_secsi, NULL, },
-- 
GitLab


From a0ee24a03b1c06813c814b9f70946c8984752f01 Mon Sep 17 00:00:00 2001
From: Philip Rakity <prakity@yahoo.com>
Date: Wed, 8 Oct 2008 16:32:11 -0700
Subject: [PATCH 1256/2224] [MTD] cmdlineparts documentation change - explain
 where mtd-id comes from

Signed-off-by: Philip Rakity <prakity@yahoo.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/cmdlinepart.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c
index 71bc07f149b..50a340388e7 100644
--- a/drivers/mtd/cmdlinepart.c
+++ b/drivers/mtd/cmdlinepart.c
@@ -7,6 +7,7 @@
  *
  * mtdparts=<mtddef>[;<mtddef]
  * <mtddef>  := <mtd-id>:<partdef>[,<partdef>]
+ *              where <mtd-id> is the name from the "cat /proc/mtd" command
  * <partdef> := <size>[@offset][<name>][ro][lk]
  * <mtd-id>  := unique name used in mapping driver/device (mtd->name)
  * <size>    := standard linux memsize OR "-" to denote all remaining space
-- 
GitLab


From aaf7ea20000436df3cbb397ccb734ad1e2e5164d Mon Sep 17 00:00:00 2001
From: Mike Rapoport <mike@compulab.co.il>
Date: Wed, 15 Oct 2008 08:38:49 +0200
Subject: [PATCH 1257/2224] [MTD] [NAND] GPIO NAND flash driver

The patch adds support for NAND flashes connected to GPIOs.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig      |   6 +
 drivers/mtd/nand/Makefile     |   1 +
 drivers/mtd/nand/gpio.c       | 375 ++++++++++++++++++++++++++++++++++
 include/linux/mtd/nand-gpio.h |  19 ++
 4 files changed, 401 insertions(+)
 create mode 100644 drivers/mtd/nand/gpio.c
 create mode 100644 include/linux/mtd/nand-gpio.h

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 89b4d39386a..b9eed992546 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -56,6 +56,12 @@ config MTD_NAND_H1900
 	help
 	  This enables the driver for the iPAQ h1900 flash.
 
+config MTD_NAND_GPIO
+	tristate "GPIO NAND Flash driver"
+	depends on GENERIC_GPIO
+	help
+	  This enables a GPIO based NAND flash driver.
+
 config MTD_NAND_SPIA
 	tristate "NAND Flash device on SPIA board"
 	depends on ARCH_P720T
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 9bfeca324b3..b661586afbf 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_MTD_NAND_NANDSIM)		+= nandsim.o
 obj-$(CONFIG_MTD_NAND_CS553X)		+= cs553x_nand.o
 obj-$(CONFIG_MTD_NAND_NDFC)		+= ndfc.o
 obj-$(CONFIG_MTD_NAND_ATMEL)		+= atmel_nand.o
+obj-$(CONFIG_MTD_NAND_GPIO)		+= gpio.o
 obj-$(CONFIG_MTD_NAND_CM_X270)		+= cmx270_nand.o
 obj-$(CONFIG_MTD_NAND_BASLER_EXCITE)	+= excite_nandflash.o
 obj-$(CONFIG_MTD_NAND_PXA3xx)		+= pxa3xx_nand.o
diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
new file mode 100644
index 00000000000..8f902e75aa8
--- /dev/null
+++ b/drivers/mtd/nand/gpio.c
@@ -0,0 +1,375 @@
+/*
+ * drivers/mtd/nand/gpio.c
+ *
+ * Updated, and converted to generic GPIO based driver by Russell King.
+ *
+ * Written by Ben Dooks <ben@simtec.co.uk>
+ *   Based on 2.4 version by Mark Whittaker
+ *
+ * © 2004 Simtec Electronics
+ *
+ * Device driver for NAND connected via GPIO
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand-gpio.h>
+
+struct gpiomtd {
+	void __iomem		*io_sync;
+	struct mtd_info		mtd_info;
+	struct nand_chip	nand_chip;
+	struct gpio_nand_platdata plat;
+};
+
+#define gpio_nand_getpriv(x) container_of(x, struct gpiomtd, mtd_info)
+
+
+#ifdef CONFIG_ARM
+/* gpio_nand_dosync()
+ *
+ * Make sure the GPIO state changes occur in-order with writes to NAND
+ * memory region.
+ * Needed on PXA due to bus-reordering within the SoC itself (see section on
+ * I/O ordering in PXA manual (section 2.3, p35)
+ */
+static void gpio_nand_dosync(struct gpiomtd *gpiomtd)
+{
+	unsigned long tmp;
+
+	if (gpiomtd->io_sync) {
+		/*
+		 * Linux memory barriers don't cater for what's required here.
+		 * What's required is what's here - a read from a separate
+		 * region with a dependency on that read.
+		 */
+		tmp = readl(gpiomtd->io_sync);
+		asm volatile("mov %1, %0\n" : "=r" (tmp) : "r" (tmp));
+	}
+}
+#else
+static inline void gpio_nand_dosync(struct gpiomtd *gpiomtd) {}
+#endif
+
+static void gpio_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+	struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd);
+
+	gpio_nand_dosync(gpiomtd);
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+		gpio_set_value(gpiomtd->plat.gpio_nce, !(ctrl & NAND_NCE));
+		gpio_set_value(gpiomtd->plat.gpio_cle, !!(ctrl & NAND_CLE));
+		gpio_set_value(gpiomtd->plat.gpio_ale, !!(ctrl & NAND_ALE));
+		gpio_nand_dosync(gpiomtd);
+	}
+	if (cmd == NAND_CMD_NONE)
+		return;
+
+	writeb(cmd, gpiomtd->nand_chip.IO_ADDR_W);
+	gpio_nand_dosync(gpiomtd);
+}
+
+static void gpio_nand_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+	struct nand_chip *this = mtd->priv;
+
+	writesb(this->IO_ADDR_W, buf, len);
+}
+
+static void gpio_nand_readbuf(struct mtd_info *mtd, u_char *buf, int len)
+{
+	struct nand_chip *this = mtd->priv;
+
+	readsb(this->IO_ADDR_R, buf, len);
+}
+
+static int gpio_nand_verifybuf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+	struct nand_chip *this = mtd->priv;
+	unsigned char read, *p = (unsigned char *) buf;
+	int i, err = 0;
+
+	for (i = 0; i < len; i++) {
+		read = readb(this->IO_ADDR_R);
+		if (read != p[i]) {
+			pr_debug("%s: err at %d (read %04x vs %04x)\n",
+			       __func__, i, read, p[i]);
+			err = -EFAULT;
+		}
+	}
+	return err;
+}
+
+static void gpio_nand_writebuf16(struct mtd_info *mtd, const u_char *buf,
+				 int len)
+{
+	struct nand_chip *this = mtd->priv;
+
+	if (IS_ALIGNED((unsigned long)buf, 2)) {
+		writesw(this->IO_ADDR_W, buf, len>>1);
+	} else {
+		int i;
+		unsigned short *ptr = (unsigned short *)buf;
+
+		for (i = 0; i < len; i += 2, ptr++)
+			writew(*ptr, this->IO_ADDR_W);
+	}
+}
+
+static void gpio_nand_readbuf16(struct mtd_info *mtd, u_char *buf, int len)
+{
+	struct nand_chip *this = mtd->priv;
+
+	if (IS_ALIGNED((unsigned long)buf, 2)) {
+		readsw(this->IO_ADDR_R, buf, len>>1);
+	} else {
+		int i;
+		unsigned short *ptr = (unsigned short *)buf;
+
+		for (i = 0; i < len; i += 2, ptr++)
+			*ptr = readw(this->IO_ADDR_R);
+	}
+}
+
+static int gpio_nand_verifybuf16(struct mtd_info *mtd, const u_char *buf,
+				 int len)
+{
+	struct nand_chip *this = mtd->priv;
+	unsigned short read, *p = (unsigned short *) buf;
+	int i, err = 0;
+	len >>= 1;
+
+	for (i = 0; i < len; i++) {
+		read = readw(this->IO_ADDR_R);
+		if (read != p[i]) {
+			pr_debug("%s: err at %d (read %04x vs %04x)\n",
+			       __func__, i, read, p[i]);
+			err = -EFAULT;
+		}
+	}
+	return err;
+}
+
+
+static int gpio_nand_devready(struct mtd_info *mtd)
+{
+	struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd);
+	return gpio_get_value(gpiomtd->plat.gpio_rdy);
+}
+
+static int __devexit gpio_nand_remove(struct platform_device *dev)
+{
+	struct gpiomtd *gpiomtd = platform_get_drvdata(dev);
+	struct resource *res;
+
+	nand_release(&gpiomtd->mtd_info);
+
+	res = platform_get_resource(dev, IORESOURCE_MEM, 1);
+	iounmap(gpiomtd->io_sync);
+	if (res)
+		release_mem_region(res->start, res->end - res->start + 1);
+
+	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+	iounmap(gpiomtd->nand_chip.IO_ADDR_R);
+	release_mem_region(res->start, res->end - res->start + 1);
+
+	if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+		gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
+	gpio_set_value(gpiomtd->plat.gpio_nce, 1);
+
+	gpio_free(gpiomtd->plat.gpio_cle);
+	gpio_free(gpiomtd->plat.gpio_ale);
+	gpio_free(gpiomtd->plat.gpio_nce);
+	if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+		gpio_free(gpiomtd->plat.gpio_nwp);
+	gpio_free(gpiomtd->plat.gpio_rdy);
+
+	kfree(gpiomtd);
+
+	return 0;
+}
+
+static void __iomem *request_and_remap(struct resource *res, size_t size,
+					const char *name, int *err)
+{
+	void __iomem *ptr;
+
+	if (!request_mem_region(res->start, res->end - res->start + 1, name)) {
+		*err = -EBUSY;
+		return NULL;
+	}
+
+	ptr = ioremap(res->start, size);
+	if (!ptr) {
+		release_mem_region(res->start, res->end - res->start + 1);
+		*err = -ENOMEM;
+	}
+	return ptr;
+}
+
+static int __devinit gpio_nand_probe(struct platform_device *dev)
+{
+	struct gpiomtd *gpiomtd;
+	struct nand_chip *this;
+	struct resource *res0, *res1;
+	int ret;
+
+	if (!dev->dev.platform_data)
+		return -EINVAL;
+
+	res0 = platform_get_resource(dev, IORESOURCE_MEM, 0);
+	if (!res0)
+		return -EINVAL;
+
+	gpiomtd = kzalloc(sizeof(*gpiomtd), GFP_KERNEL);
+	if (gpiomtd == NULL) {
+		dev_err(&dev->dev, "failed to create NAND MTD\n");
+		return -ENOMEM;
+	}
+
+	this = &gpiomtd->nand_chip;
+	this->IO_ADDR_R = request_and_remap(res0, 2, "NAND", &ret);
+	if (!this->IO_ADDR_R) {
+		dev_err(&dev->dev, "unable to map NAND\n");
+		goto err_map;
+	}
+
+	res1 = platform_get_resource(dev, IORESOURCE_MEM, 1);
+	if (res1) {
+		gpiomtd->io_sync = request_and_remap(res1, 4, "NAND sync", &ret);
+		if (!gpiomtd->io_sync) {
+			dev_err(&dev->dev, "unable to map sync NAND\n");
+			goto err_sync;
+		}
+	}
+
+	memcpy(&gpiomtd->plat, dev->dev.platform_data, sizeof(gpiomtd->plat));
+
+	ret = gpio_request(gpiomtd->plat.gpio_nce, "NAND NCE");
+	if (ret)
+		goto err_nce;
+	gpio_direction_output(gpiomtd->plat.gpio_nce, 1);
+	if (gpio_is_valid(gpiomtd->plat.gpio_nwp)) {
+		ret = gpio_request(gpiomtd->plat.gpio_nwp, "NAND NWP");
+		if (ret)
+			goto err_nwp;
+		gpio_direction_output(gpiomtd->plat.gpio_nwp, 1);
+	}
+	ret = gpio_request(gpiomtd->plat.gpio_ale, "NAND ALE");
+	if (ret)
+		goto err_ale;
+	gpio_direction_output(gpiomtd->plat.gpio_ale, 0);
+	ret = gpio_request(gpiomtd->plat.gpio_cle, "NAND CLE");
+	if (ret)
+		goto err_cle;
+	gpio_direction_output(gpiomtd->plat.gpio_cle, 0);
+	ret = gpio_request(gpiomtd->plat.gpio_rdy, "NAND RDY");
+	if (ret)
+		goto err_rdy;
+	gpio_direction_input(gpiomtd->plat.gpio_rdy);
+
+
+	this->IO_ADDR_W  = this->IO_ADDR_R;
+	this->ecc.mode   = NAND_ECC_SOFT;
+	this->options    = gpiomtd->plat.options;
+	this->chip_delay = gpiomtd->plat.chip_delay;
+
+	/* install our routines */
+	this->cmd_ctrl   = gpio_nand_cmd_ctrl;
+	this->dev_ready  = gpio_nand_devready;
+
+	if (this->options & NAND_BUSWIDTH_16) {
+		this->read_buf   = gpio_nand_readbuf16;
+		this->write_buf  = gpio_nand_writebuf16;
+		this->verify_buf = gpio_nand_verifybuf16;
+	} else {
+		this->read_buf   = gpio_nand_readbuf;
+		this->write_buf  = gpio_nand_writebuf;
+		this->verify_buf = gpio_nand_verifybuf;
+	}
+
+	/* set the mtd private data for the nand driver */
+	gpiomtd->mtd_info.priv = this;
+	gpiomtd->mtd_info.owner = THIS_MODULE;
+
+	if (nand_scan(&gpiomtd->mtd_info, 1)) {
+		dev_err(&dev->dev, "no nand chips found?\n");
+		ret = -ENXIO;
+		goto err_wp;
+	}
+
+	if (gpiomtd->plat.adjust_parts)
+		gpiomtd->plat.adjust_parts(&gpiomtd->plat,
+					   gpiomtd->mtd_info.size);
+
+	add_mtd_partitions(&gpiomtd->mtd_info, gpiomtd->plat.parts,
+			   gpiomtd->plat.num_parts);
+	platform_set_drvdata(dev, gpiomtd);
+
+	return 0;
+
+err_wp:
+	if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+		gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
+	gpio_free(gpiomtd->plat.gpio_rdy);
+err_rdy:
+	gpio_free(gpiomtd->plat.gpio_cle);
+err_cle:
+	gpio_free(gpiomtd->plat.gpio_ale);
+err_ale:
+	if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
+		gpio_free(gpiomtd->plat.gpio_nwp);
+err_nwp:
+	gpio_free(gpiomtd->plat.gpio_nce);
+err_nce:
+	iounmap(gpiomtd->io_sync);
+	if (res1)
+		release_mem_region(res1->start, res1->end - res1->start + 1);
+err_sync:
+	iounmap(gpiomtd->nand_chip.IO_ADDR_R);
+	release_mem_region(res0->start, res0->end - res0->start + 1);
+err_map:
+	kfree(gpiomtd);
+	return ret;
+}
+
+static struct platform_driver gpio_nand_driver = {
+	.probe		= gpio_nand_probe,
+	.remove		= gpio_nand_remove,
+	.driver		= {
+		.name	= "gpio-nand",
+	},
+};
+
+static int __init gpio_nand_init(void)
+{
+	printk(KERN_INFO "GPIO NAND driver, © 2004 Simtec Electronics\n");
+
+	return platform_driver_register(&gpio_nand_driver);
+}
+
+static void __exit gpio_nand_exit(void)
+{
+	platform_driver_unregister(&gpio_nand_driver);
+}
+
+module_init(gpio_nand_init);
+module_exit(gpio_nand_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_DESCRIPTION("GPIO NAND Driver");
diff --git a/include/linux/mtd/nand-gpio.h b/include/linux/mtd/nand-gpio.h
new file mode 100644
index 00000000000..51534e50f7f
--- /dev/null
+++ b/include/linux/mtd/nand-gpio.h
@@ -0,0 +1,19 @@
+#ifndef __LINUX_MTD_NAND_GPIO_H
+#define __LINUX_MTD_NAND_GPIO_H
+
+#include <linux/mtd/nand.h>
+
+struct gpio_nand_platdata {
+	int	gpio_nce;
+	int	gpio_nwp;
+	int	gpio_cle;
+	int	gpio_ale;
+	int	gpio_rdy;
+	void	(*adjust_parts)(struct gpio_nand_platdata *, size_t);
+	struct mtd_partition *parts;
+	unsigned int num_parts;
+	unsigned int options;
+	int	chip_delay;
+};
+
+#endif
-- 
GitLab


From be8f78b8e8b5bcafc19ac85b815e98049aa86314 Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Date: Tue, 30 Sep 2008 13:55:33 +0200
Subject: [PATCH 1258/2224] [MTD] [NOR] AT49BV6416 has swapped erase regions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The CFI information read from AT49BV6416 lists the erase regions in the
wrong order, causing problems when trying to erase or update the first
or last 64KiB block.

Work around this by inverting the "top boot" flag, which will
effectively reverse the order of the erase regions.

This chip is obsolete, but it's used in some existing designs.

Signed-off-by: HÃ¥vard Skinnemoen <haavard.skinnemoen@atmel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/chips/cfi_cmdset_0002.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index db16b7b0723..3e6f5d8609e 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -213,10 +213,18 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
 	if (atmel_pri.Features & 0x02)
 		extp->EraseSuspend = 2;
 
-	if (atmel_pri.BottomBoot)
-		extp->TopBottom = 2;
-	else
-		extp->TopBottom = 3;
+	/* Some chips got it backwards... */
+	if (cfi->id == AT49BV6416) {
+		if (atmel_pri.BottomBoot)
+			extp->TopBottom = 3;
+		else
+			extp->TopBottom = 2;
+	} else {
+		if (atmel_pri.BottomBoot)
+			extp->TopBottom = 2;
+		else
+			extp->TopBottom = 3;
+	}
 
 	/* burst write mode not supported */
 	cfi->cfiq->BufWriteTimeoutTyp = 0;
-- 
GitLab


From dd3a1db900f2a215a7d7dd71b836e149a6cf5fed Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 16 Oct 2008 18:20:58 +0200
Subject: [PATCH 1259/2224] genirq: improve include files

Move the irq_desc related iterators out of irq.h, into irqnr.h, also
available via interrupt.h.

This way non-genirq (and even non-hardirq) architectures get the
common definitions and iterators.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/interrupt.h |  1 +
 include/linux/irq.h       | 20 +-------------------
 include/linux/irqnr.h     | 24 ++++++++++++++++++++++++
 3 files changed, 26 insertions(+), 19 deletions(-)
 create mode 100644 include/linux/irqnr.h

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 58ff4e74b2f..72fcfcff563 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -8,6 +8,7 @@
 #include <linux/preempt.h>
 #include <linux/cpumask.h>
 #include <linux/irqreturn.h>
+#include <linux/irqnr.h>
 #include <linux/hardirq.h>
 #include <linux/sched.h>
 #include <linux/irqflags.h>
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 0618fb362cb..d058c57be02 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -11,25 +11,6 @@
 
 #include <linux/smp.h>
 
-#ifndef CONFIG_GENERIC_HARDIRQS
-# define nr_irqs		NR_IRQS
-
-# define for_each_irq_desc(irq, desc)		\
-	for (irq = 0; irq < nr_irqs; irq++)
-#else
-extern int nr_irqs;
-
-# define for_each_irq_desc(irq, desc)		\
-	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
-
-# define for_each_irq_desc_reverse(irq, desc)			\
-	for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 );	\
-	     irq > 0; irq--, desc--)
-#endif
-
-#define for_each_irq_nr(irq)			\
-	for (irq = 0; irq < nr_irqs; irq++)
-
 #ifndef CONFIG_S390
 
 #include <linux/linkage.h>
@@ -37,6 +18,7 @@ extern int nr_irqs;
 #include <linux/spinlock.h>
 #include <linux/cpumask.h>
 #include <linux/irqreturn.h>
+#include <linux/irqnr.h>
 #include <linux/errno.h>
 
 #include <asm/irq.h>
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
new file mode 100644
index 00000000000..3171ddc3b39
--- /dev/null
+++ b/include/linux/irqnr.h
@@ -0,0 +1,24 @@
+#ifndef _LINUX_IRQNR_H
+#define _LINUX_IRQNR_H
+
+#ifndef CONFIG_GENERIC_HARDIRQS
+#include <asm/irq.h>
+# define nr_irqs		NR_IRQS
+
+# define for_each_irq_desc(irq, desc)		\
+	for (irq = 0; irq < nr_irqs; irq++)
+#else
+extern int nr_irqs;
+
+# define for_each_irq_desc(irq, desc)		\
+	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
+
+# define for_each_irq_desc_reverse(irq, desc)			\
+	for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 );	\
+	     irq > 0; irq--, desc--)
+#endif
+
+#define for_each_irq_nr(irq)			\
+	for (irq = 0; irq < nr_irqs; irq++)
+
+#endif
-- 
GitLab


From 74ca1ec2ce62cd31952703c6e36911b23d70623c Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Sat, 18 Oct 2008 14:56:43 +0200
Subject: [PATCH 1260/2224] [ARM] balance parenthesis in header file

Hello,

	Introduced by:

commit fff147208b48680cb7b627a144113a6585828a0e
Author: Eric Miao <eric.miao@marvell.com>
Date:   Fri Sep 5 22:15:23 2008 +0800

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-pxa/include/mach/spitz.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/include/mach/spitz.h b/arch/arm/mach-pxa/include/mach/spitz.h
index 31ac26b55bc..e8488dfb7e9 100644
--- a/arch/arm/mach-pxa/include/mach/spitz.h
+++ b/arch/arm/mach-pxa/include/mach/spitz.h
@@ -142,7 +142,7 @@
 
 #define SPITZ_SCP2_GPIO_BASE		(NR_BUILTIN_GPIO + 12)
 #define SPITZ_GPIO_IR_ON		(SPITZ_SCP2_GPIO_BASE + 0)
-#define SPITZ_GPIO_AKIN_PULLUP		(SPITZ_SCP2_GPIO_BASE + 1
+#define SPITZ_GPIO_AKIN_PULLUP		(SPITZ_SCP2_GPIO_BASE + 1)
 #define SPITZ_GPIO_RESERVED_1		(SPITZ_SCP2_GPIO_BASE + 2)
 #define SPITZ_GPIO_RESERVED_2		(SPITZ_SCP2_GPIO_BASE + 3)
 #define SPITZ_GPIO_RESERVED_3		(SPITZ_SCP2_GPIO_BASE + 4)
-- 
GitLab


From 778c4c821779bb7eef7f5a1eea4d15d05d976f8b Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Sat, 18 Oct 2008 15:15:16 +0200
Subject: [PATCH 1261/2224] [ARM] remove extra brace in
 arch/arm/mach-pxa/trizeps4.c

Hello,

	Introduced by:

commit 642aa6637e46ae788f1f8916dc9aa5a68917e12e
Author: J<C3><BC>rgen Schindele <linux@schindele.name>
Date:   Mon Aug 18 21:45:03 2008 +0100

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-pxa/trizeps4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index a13dbf3c2c0..a72e3add743 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -399,7 +399,7 @@ static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
 	/* Switch mode */
 	if (mode & IR_SIRMODE)
 		trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;	/* Slow mode */
-	else if (mode & IR_FIRMODE) {
+	else if (mode & IR_FIRMODE)
 		trizeps_conxs_ircr |= ConXS_IRCR_MODE;	/* Fast mode */
 
 	/* Switch power */
-- 
GitLab


From 5b6985ce8ec7127b4d60ad450b64ca8b82748a3b Mon Sep 17 00:00:00 2001
From: Fenghua Yu <fenghua.yu@intel.com>
Date: Thu, 16 Oct 2008 18:02:32 -0700
Subject: [PATCH 1262/2224] intel-iommu: IA64 support

The current Intel IOMMU code assumes that both host page size and Intel
IOMMU page size are 4KiB. The first patch supports variable page size.
This provides support for IA64 which has multiple page sizes.

This patch also adds some other code hooks for IA64 platform including
DMAR_OPERATION_TIMEOUT definition.

[dwmw2: some cleanup]
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/x86/kernel/pci-dma.c     |  16 -----
 drivers/pci/dmar.c            |  19 ++---
 drivers/pci/intel-iommu.c     | 128 ++++++++++++++++++----------------
 drivers/pci/quirks.c          |  14 ++++
 include/asm-x86/iommu.h       |   4 ++
 include/linux/dma_remapping.h |  27 ++++---
 include/linux/intel-iommu.h   |  39 ++++++-----
 7 files changed, 131 insertions(+), 116 deletions(-)

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 19262482021..1972266e8ba 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -9,8 +9,6 @@
 #include <asm/calgary.h>
 #include <asm/amd_iommu.h>
 
-static int forbid_dac __read_mostly;
-
 struct dma_mapping_ops *dma_ops;
 EXPORT_SYMBOL(dma_ops);
 
@@ -293,17 +291,3 @@ void pci_iommu_shutdown(void)
 }
 /* Must execute after PCI subsystem */
 fs_initcall(pci_iommu_init);
-
-#ifdef CONFIG_PCI
-/* Many VIA bridges seem to corrupt data for DAC. Disable it here */
-
-static __devinit void via_no_dac(struct pci_dev *dev)
-{
-	if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI && forbid_dac == 0) {
-		printk(KERN_INFO "PCI: VIA PCI bridge detected."
-				 "Disabling DAC.\n");
-		forbid_dac = 1;
-	}
-}
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_ANY_ID, via_no_dac);
-#endif
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 44d6c7081b8..b65173828bc 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -277,14 +277,15 @@ dmar_table_print_dmar_entry(struct acpi_dmar_header *header)
 		drhd = (struct acpi_dmar_hardware_unit *)header;
 		printk (KERN_INFO PREFIX
 			"DRHD (flags: 0x%08x)base: 0x%016Lx\n",
-			drhd->flags, drhd->address);
+			drhd->flags, (unsigned long long)drhd->address);
 		break;
 	case ACPI_DMAR_TYPE_RESERVED_MEMORY:
 		rmrr = (struct acpi_dmar_reserved_memory *)header;
 
 		printk (KERN_INFO PREFIX
 			"RMRR base: 0x%016Lx end: 0x%016Lx\n",
-			rmrr->base_address, rmrr->end_address);
+			(unsigned long long)rmrr->base_address,
+			(unsigned long long)rmrr->end_address);
 		break;
 	}
 }
@@ -304,7 +305,7 @@ parse_dmar_table(void)
 	if (!dmar)
 		return -ENODEV;
 
-	if (dmar->width < PAGE_SHIFT_4K - 1) {
+	if (dmar->width < PAGE_SHIFT - 1) {
 		printk(KERN_WARNING PREFIX "Invalid DMAR haw\n");
 		return -EINVAL;
 	}
@@ -493,7 +494,7 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
 
 	iommu->seq_id = iommu_allocated++;
 
-	iommu->reg = ioremap(drhd->reg_base_addr, PAGE_SIZE_4K);
+	iommu->reg = ioremap(drhd->reg_base_addr, VTD_PAGE_SIZE);
 	if (!iommu->reg) {
 		printk(KERN_ERR "IOMMU: can't map the region\n");
 		goto error;
@@ -504,8 +505,8 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
 	/* the registers might be more than one page */
 	map_size = max_t(int, ecap_max_iotlb_offset(iommu->ecap),
 		cap_max_fault_reg_offset(iommu->cap));
-	map_size = PAGE_ALIGN_4K(map_size);
-	if (map_size > PAGE_SIZE_4K) {
+	map_size = VTD_PAGE_ALIGN(map_size);
+	if (map_size > VTD_PAGE_SIZE) {
 		iounmap(iommu->reg);
 		iommu->reg = ioremap(drhd->reg_base_addr, map_size);
 		if (!iommu->reg) {
@@ -516,8 +517,10 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
 
 	ver = readl(iommu->reg + DMAR_VER_REG);
 	pr_debug("IOMMU %llx: ver %d:%d cap %llx ecap %llx\n",
-		drhd->reg_base_addr, DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver),
-		iommu->cap, iommu->ecap);
+		(unsigned long long)drhd->reg_base_addr,
+		DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver),
+		(unsigned long long)iommu->cap,
+		(unsigned long long)iommu->ecap);
 
 	spin_lock_init(&iommu->register_lock);
 
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 50947041913..2bf96babbc4 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -18,6 +18,7 @@
  * Author: Ashok Raj <ashok.raj@intel.com>
  * Author: Shaohua Li <shaohua.li@intel.com>
  * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ * Author: Fenghua Yu <fenghua.yu@intel.com>
  */
 
 #include <linux/init.h>
@@ -35,11 +36,13 @@
 #include <linux/timer.h>
 #include <linux/iova.h>
 #include <linux/intel-iommu.h>
-#include <asm/proto.h> /* force_iommu in this header in x86-64*/
 #include <asm/cacheflush.h>
 #include <asm/iommu.h>
 #include "pci.h"
 
+#define ROOT_SIZE		VTD_PAGE_SIZE
+#define CONTEXT_SIZE		VTD_PAGE_SIZE
+
 #define IS_GFX_DEVICE(pdev) ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY)
 #define IS_ISA_DEVICE(pdev) ((pdev->class >> 8) == PCI_CLASS_BRIDGE_ISA)
 
@@ -199,7 +202,7 @@ static struct context_entry * device_to_context_entry(struct intel_iommu *iommu,
 			spin_unlock_irqrestore(&iommu->lock, flags);
 			return NULL;
 		}
-		__iommu_flush_cache(iommu, (void *)context, PAGE_SIZE_4K);
+		__iommu_flush_cache(iommu, (void *)context, CONTEXT_SIZE);
 		phy_addr = virt_to_phys((void *)context);
 		set_root_value(root, phy_addr);
 		set_root_present(root);
@@ -345,7 +348,7 @@ static struct dma_pte * addr_to_dma_pte(struct dmar_domain *domain, u64 addr)
 				return NULL;
 			}
 			__iommu_flush_cache(domain->iommu, tmp_page,
-					PAGE_SIZE_4K);
+					PAGE_SIZE);
 			dma_set_pte_addr(*pte, virt_to_phys(tmp_page));
 			/*
 			 * high level table always sets r/w, last level page
@@ -408,13 +411,13 @@ static void dma_pte_clear_range(struct dmar_domain *domain, u64 start, u64 end)
 	start &= (((u64)1) << addr_width) - 1;
 	end &= (((u64)1) << addr_width) - 1;
 	/* in case it's partial page */
-	start = PAGE_ALIGN_4K(start);
-	end &= PAGE_MASK_4K;
+	start = PAGE_ALIGN(start);
+	end &= PAGE_MASK;
 
 	/* we don't need lock here, nobody else touches the iova range */
 	while (start < end) {
 		dma_pte_clear_one(domain, start);
-		start += PAGE_SIZE_4K;
+		start += VTD_PAGE_SIZE;
 	}
 }
 
@@ -468,7 +471,7 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu)
 	if (!root)
 		return -ENOMEM;
 
-	__iommu_flush_cache(iommu, root, PAGE_SIZE_4K);
+	__iommu_flush_cache(iommu, root, ROOT_SIZE);
 
 	spin_lock_irqsave(&iommu->lock, flags);
 	iommu->root_entry = root;
@@ -634,7 +637,8 @@ static int __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did,
 		printk(KERN_ERR"IOMMU: flush IOTLB failed\n");
 	if (DMA_TLB_IAIG(val) != DMA_TLB_IIRG(type))
 		pr_debug("IOMMU: tlb flush request %Lx, actual %Lx\n",
-			DMA_TLB_IIRG(type), DMA_TLB_IAIG(val));
+			(unsigned long long)DMA_TLB_IIRG(type),
+			(unsigned long long)DMA_TLB_IAIG(val));
 	/* flush context entry will implictly flush write buffer */
 	return 0;
 }
@@ -644,7 +648,7 @@ static int iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did,
 {
 	unsigned int mask;
 
-	BUG_ON(addr & (~PAGE_MASK_4K));
+	BUG_ON(addr & (~VTD_PAGE_MASK));
 	BUG_ON(pages == 0);
 
 	/* Fallback to domain selective flush if no PSI support */
@@ -798,7 +802,7 @@ void dmar_msi_read(int irq, struct msi_msg *msg)
 }
 
 static int iommu_page_fault_do_one(struct intel_iommu *iommu, int type,
-		u8 fault_reason, u16 source_id, u64 addr)
+		u8 fault_reason, u16 source_id, unsigned long long addr)
 {
 	const char *reason;
 
@@ -1051,9 +1055,9 @@ static void dmar_init_reserved_ranges(void)
 			if (!r->flags || !(r->flags & IORESOURCE_MEM))
 				continue;
 			addr = r->start;
-			addr &= PAGE_MASK_4K;
+			addr &= PAGE_MASK;
 			size = r->end - addr;
-			size = PAGE_ALIGN_4K(size);
+			size = PAGE_ALIGN(size);
 			iova = reserve_iova(&reserved_iova_list, IOVA_PFN(addr),
 				IOVA_PFN(size + addr) - 1);
 			if (!iova)
@@ -1115,7 +1119,7 @@ static int domain_init(struct dmar_domain *domain, int guest_width)
 	domain->pgd = (struct dma_pte *)alloc_pgtable_page();
 	if (!domain->pgd)
 		return -ENOMEM;
-	__iommu_flush_cache(iommu, domain->pgd, PAGE_SIZE_4K);
+	__iommu_flush_cache(iommu, domain->pgd, PAGE_SIZE);
 	return 0;
 }
 
@@ -1131,7 +1135,7 @@ static void domain_exit(struct dmar_domain *domain)
 	/* destroy iovas */
 	put_iova_domain(&domain->iovad);
 	end = DOMAIN_MAX_ADDR(domain->gaw);
-	end = end & (~PAGE_MASK_4K);
+	end = end & (~PAGE_MASK);
 
 	/* clear ptes */
 	dma_pte_clear_range(domain, 0, end);
@@ -1252,22 +1256,25 @@ domain_page_mapping(struct dmar_domain *domain, dma_addr_t iova,
 	u64 start_pfn, end_pfn;
 	struct dma_pte *pte;
 	int index;
+	int addr_width = agaw_to_width(domain->agaw);
+
+	hpa &= (((u64)1) << addr_width) - 1;
 
 	if ((prot & (DMA_PTE_READ|DMA_PTE_WRITE)) == 0)
 		return -EINVAL;
-	iova &= PAGE_MASK_4K;
-	start_pfn = ((u64)hpa) >> PAGE_SHIFT_4K;
-	end_pfn = (PAGE_ALIGN_4K(((u64)hpa) + size)) >> PAGE_SHIFT_4K;
+	iova &= PAGE_MASK;
+	start_pfn = ((u64)hpa) >> VTD_PAGE_SHIFT;
+	end_pfn = (VTD_PAGE_ALIGN(((u64)hpa) + size)) >> VTD_PAGE_SHIFT;
 	index = 0;
 	while (start_pfn < end_pfn) {
-		pte = addr_to_dma_pte(domain, iova + PAGE_SIZE_4K * index);
+		pte = addr_to_dma_pte(domain, iova + VTD_PAGE_SIZE * index);
 		if (!pte)
 			return -ENOMEM;
 		/* We don't need lock here, nobody else
 		 * touches the iova range
 		 */
 		BUG_ON(dma_pte_addr(*pte));
-		dma_set_pte_addr(*pte, start_pfn << PAGE_SHIFT_4K);
+		dma_set_pte_addr(*pte, start_pfn << VTD_PAGE_SHIFT);
 		dma_set_pte_prot(*pte, prot);
 		__iommu_flush_cache(domain->iommu, pte, sizeof(*pte));
 		start_pfn++;
@@ -1445,11 +1452,13 @@ error:
 	return find_domain(pdev);
 }
 
-static int iommu_prepare_identity_map(struct pci_dev *pdev, u64 start, u64 end)
+static int iommu_prepare_identity_map(struct pci_dev *pdev,
+				      unsigned long long start,
+				      unsigned long long end)
 {
 	struct dmar_domain *domain;
 	unsigned long size;
-	u64 base;
+	unsigned long long base;
 	int ret;
 
 	printk(KERN_INFO
@@ -1461,9 +1470,9 @@ static int iommu_prepare_identity_map(struct pci_dev *pdev, u64 start, u64 end)
 		return -ENOMEM;
 
 	/* The address might not be aligned */
-	base = start & PAGE_MASK_4K;
+	base = start & PAGE_MASK;
 	size = end - base;
-	size = PAGE_ALIGN_4K(size);
+	size = PAGE_ALIGN(size);
 	if (!reserve_iova(&domain->iovad, IOVA_PFN(base),
 			IOVA_PFN(base + size) - 1)) {
 		printk(KERN_ERR "IOMMU: reserve iova failed\n");
@@ -1732,8 +1741,8 @@ error:
 static inline u64 aligned_size(u64 host_addr, size_t size)
 {
 	u64 addr;
-	addr = (host_addr & (~PAGE_MASK_4K)) + size;
-	return PAGE_ALIGN_4K(addr);
+	addr = (host_addr & (~PAGE_MASK)) + size;
+	return PAGE_ALIGN(addr);
 }
 
 struct iova *
@@ -1747,7 +1756,7 @@ iommu_alloc_iova(struct dmar_domain *domain, size_t size, u64 end)
 		return NULL;
 
 	piova = alloc_iova(&domain->iovad,
-			size >> PAGE_SHIFT_4K, IOVA_PFN(end), 1);
+			size >> PAGE_SHIFT, IOVA_PFN(end), 1);
 	return piova;
 }
 
@@ -1807,12 +1816,12 @@ get_valid_domain_for_dev(struct pci_dev *pdev)
 	return domain;
 }
 
-static dma_addr_t
+dma_addr_t
 intel_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, int dir)
 {
 	struct pci_dev *pdev = to_pci_dev(hwdev);
 	struct dmar_domain *domain;
-	unsigned long start_paddr;
+	phys_addr_t start_paddr;
 	struct iova *iova;
 	int prot = 0;
 	int ret;
@@ -1831,7 +1840,7 @@ intel_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, int dir)
 	if (!iova)
 		goto error;
 
-	start_paddr = iova->pfn_lo << PAGE_SHIFT_4K;
+	start_paddr = (phys_addr_t)iova->pfn_lo << PAGE_SHIFT;
 
 	/*
 	 * Check if DMAR supports zero-length reads on write only
@@ -1849,27 +1858,23 @@ intel_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, int dir)
 	 * is not a big problem
 	 */
 	ret = domain_page_mapping(domain, start_paddr,
-		((u64)paddr) & PAGE_MASK_4K, size, prot);
+		((u64)paddr) & PAGE_MASK, size, prot);
 	if (ret)
 		goto error;
 
-	pr_debug("Device %s request: %lx@%llx mapping: %lx@%llx, dir %d\n",
-		pci_name(pdev), size, (u64)paddr,
-		size, (u64)start_paddr, dir);
-
 	/* it's a non-present to present mapping */
 	ret = iommu_flush_iotlb_psi(domain->iommu, domain->id,
-			start_paddr, size >> PAGE_SHIFT_4K, 1);
+			start_paddr, size >> VTD_PAGE_SHIFT, 1);
 	if (ret)
 		iommu_flush_write_buffer(domain->iommu);
 
-	return (start_paddr + ((u64)paddr & (~PAGE_MASK_4K)));
+	return start_paddr + ((u64)paddr & (~PAGE_MASK));
 
 error:
 	if (iova)
 		__free_iova(&domain->iovad, iova);
 	printk(KERN_ERR"Device %s request: %lx@%llx dir %d --- failed\n",
-		pci_name(pdev), size, (u64)paddr, dir);
+		pci_name(pdev), size, (unsigned long long)paddr, dir);
 	return 0;
 }
 
@@ -1931,8 +1936,8 @@ static void add_unmap(struct dmar_domain *dom, struct iova *iova)
 	spin_unlock_irqrestore(&async_umap_flush_lock, flags);
 }
 
-static void intel_unmap_single(struct device *dev, dma_addr_t dev_addr,
-	size_t size, int dir)
+void intel_unmap_single(struct device *dev, dma_addr_t dev_addr, size_t size,
+			int dir)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct dmar_domain *domain;
@@ -1948,11 +1953,11 @@ static void intel_unmap_single(struct device *dev, dma_addr_t dev_addr,
 	if (!iova)
 		return;
 
-	start_addr = iova->pfn_lo << PAGE_SHIFT_4K;
+	start_addr = iova->pfn_lo << PAGE_SHIFT;
 	size = aligned_size((u64)dev_addr, size);
 
 	pr_debug("Device %s unmapping: %lx@%llx\n",
-		pci_name(pdev), size, (u64)start_addr);
+		pci_name(pdev), size, (unsigned long long)start_addr);
 
 	/*  clear the whole page */
 	dma_pte_clear_range(domain, start_addr, start_addr + size);
@@ -1960,7 +1965,7 @@ static void intel_unmap_single(struct device *dev, dma_addr_t dev_addr,
 	dma_pte_free_pagetable(domain, start_addr, start_addr + size);
 	if (intel_iommu_strict) {
 		if (iommu_flush_iotlb_psi(domain->iommu,
-			domain->id, start_addr, size >> PAGE_SHIFT_4K, 0))
+			domain->id, start_addr, size >> VTD_PAGE_SHIFT, 0))
 			iommu_flush_write_buffer(domain->iommu);
 		/* free iova */
 		__free_iova(&domain->iovad, iova);
@@ -1973,13 +1978,13 @@ static void intel_unmap_single(struct device *dev, dma_addr_t dev_addr,
 	}
 }
 
-static void * intel_alloc_coherent(struct device *hwdev, size_t size,
-		       dma_addr_t *dma_handle, gfp_t flags)
+void *intel_alloc_coherent(struct device *hwdev, size_t size,
+			   dma_addr_t *dma_handle, gfp_t flags)
 {
 	void *vaddr;
 	int order;
 
-	size = PAGE_ALIGN_4K(size);
+	size = PAGE_ALIGN(size);
 	order = get_order(size);
 	flags &= ~(GFP_DMA | GFP_DMA32);
 
@@ -1995,12 +2000,12 @@ static void * intel_alloc_coherent(struct device *hwdev, size_t size,
 	return NULL;
 }
 
-static void intel_free_coherent(struct device *hwdev, size_t size,
-	void *vaddr, dma_addr_t dma_handle)
+void intel_free_coherent(struct device *hwdev, size_t size, void *vaddr,
+			 dma_addr_t dma_handle)
 {
 	int order;
 
-	size = PAGE_ALIGN_4K(size);
+	size = PAGE_ALIGN(size);
 	order = get_order(size);
 
 	intel_unmap_single(hwdev, dma_handle, size, DMA_BIDIRECTIONAL);
@@ -2008,8 +2013,9 @@ static void intel_free_coherent(struct device *hwdev, size_t size,
 }
 
 #define SG_ENT_VIRT_ADDRESS(sg)	(sg_virt((sg)))
-static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
-	int nelems, int dir)
+
+void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
+		    int nelems, int dir)
 {
 	int i;
 	struct pci_dev *pdev = to_pci_dev(hwdev);
@@ -2033,7 +2039,7 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
 		size += aligned_size((u64)addr, sg->length);
 	}
 
-	start_addr = iova->pfn_lo << PAGE_SHIFT_4K;
+	start_addr = iova->pfn_lo << PAGE_SHIFT;
 
 	/*  clear the whole page */
 	dma_pte_clear_range(domain, start_addr, start_addr + size);
@@ -2041,7 +2047,7 @@ static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
 	dma_pte_free_pagetable(domain, start_addr, start_addr + size);
 
 	if (iommu_flush_iotlb_psi(domain->iommu, domain->id, start_addr,
-			size >> PAGE_SHIFT_4K, 0))
+			size >> VTD_PAGE_SHIFT, 0))
 		iommu_flush_write_buffer(domain->iommu);
 
 	/* free iova */
@@ -2062,8 +2068,8 @@ static int intel_nontranslate_map_sg(struct device *hddev,
 	return nelems;
 }
 
-static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist,
-				int nelems, int dir)
+int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems,
+		 int dir)
 {
 	void *addr;
 	int i;
@@ -2107,14 +2113,14 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist,
 	if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL)
 		prot |= DMA_PTE_WRITE;
 
-	start_addr = iova->pfn_lo << PAGE_SHIFT_4K;
+	start_addr = iova->pfn_lo << PAGE_SHIFT;
 	offset = 0;
 	for_each_sg(sglist, sg, nelems, i) {
 		addr = SG_ENT_VIRT_ADDRESS(sg);
 		addr = (void *)virt_to_phys(addr);
 		size = aligned_size((u64)addr, sg->length);
 		ret = domain_page_mapping(domain, start_addr + offset,
-			((u64)addr) & PAGE_MASK_4K,
+			((u64)addr) & PAGE_MASK,
 			size, prot);
 		if (ret) {
 			/*  clear the page */
@@ -2128,14 +2134,14 @@ static int intel_map_sg(struct device *hwdev, struct scatterlist *sglist,
 			return 0;
 		}
 		sg->dma_address = start_addr + offset +
-				((u64)addr & (~PAGE_MASK_4K));
+				((u64)addr & (~PAGE_MASK));
 		sg->dma_length = sg->length;
 		offset += size;
 	}
 
 	/* it's a non-present to present mapping */
 	if (iommu_flush_iotlb_psi(domain->iommu, domain->id,
-			start_addr, offset >> PAGE_SHIFT_4K, 1))
+			start_addr, offset >> VTD_PAGE_SHIFT, 1))
 		iommu_flush_write_buffer(domain->iommu);
 	return nelems;
 }
@@ -2175,7 +2181,6 @@ static inline int iommu_devinfo_cache_init(void)
 					 sizeof(struct device_domain_info),
 					 0,
 					 SLAB_HWCACHE_ALIGN,
-
 					 NULL);
 	if (!iommu_devinfo_cache) {
 		printk(KERN_ERR "Couldn't create devinfo cache\n");
@@ -2193,7 +2198,6 @@ static inline int iommu_iova_cache_init(void)
 					 sizeof(struct iova),
 					 0,
 					 SLAB_HWCACHE_ALIGN,
-
 					 NULL);
 	if (!iommu_iova_cache) {
 		printk(KERN_ERR "Couldn't create iova cache\n");
@@ -2322,7 +2326,7 @@ void intel_iommu_domain_exit(struct dmar_domain *domain)
 		return;
 
 	end = DOMAIN_MAX_ADDR(domain->gaw);
-	end = end & (~PAGE_MASK_4K);
+	end = end & (~VTD_PAGE_MASK);
 
 	/* clear ptes */
 	dma_pte_clear_range(domain, 0, end);
@@ -2418,6 +2422,6 @@ u64 intel_iommu_iova_to_pfn(struct dmar_domain *domain, u64 iova)
 	if (pte)
 		pfn = dma_pte_addr(*pte);
 
-	return pfn >> PAGE_SHIFT_4K;
+	return pfn >> VTD_PAGE_SHIFT;
 }
 EXPORT_SYMBOL_GPL(intel_iommu_iova_to_pfn);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e872ac925b4..832175d9ca2 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -35,6 +35,20 @@ static void __devinit quirk_mellanox_tavor(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR,quirk_mellanox_tavor);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR_BRIDGE,quirk_mellanox_tavor);
 
+/* Many VIA bridges seem to corrupt data for DAC. Disable it here */
+int forbid_dac __read_mostly;
+EXPORT_SYMBOL(forbid_dac);
+
+static __devinit void via_no_dac(struct pci_dev *dev)
+{
+	if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI && forbid_dac == 0) {
+		dev_info(&dev->dev,
+			"VIA PCI bridge detected. Disabling DAC.\n");
+		forbid_dac = 1;
+	}
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_ANY_ID, via_no_dac);
+
 /* Deal with broken BIOS'es that neglect to enable passive release,
    which can cause problems in combination with the 82441FX/PPro MTRRs */
 static void quirk_passive_release(struct pci_dev *dev)
diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h
index 961e746da97..2daaffcda52 100644
--- a/include/asm-x86/iommu.h
+++ b/include/asm-x86/iommu.h
@@ -7,9 +7,13 @@ extern struct dma_mapping_ops nommu_dma_ops;
 extern int force_iommu, no_iommu;
 extern int iommu_detected;
 extern int dmar_disabled;
+extern int forbid_dac;
 
 extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
 
+/* 10 seconds */
+#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
+
 #ifdef CONFIG_GART_IOMMU
 extern int gart_iommu_aperture;
 extern int gart_iommu_aperture_allowed;
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index bff5c65f81d..952df39c989 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -2,15 +2,14 @@
 #define _DMA_REMAPPING_H
 
 /*
- * We need a fixed PAGE_SIZE of 4K irrespective of
- * arch PAGE_SIZE for IOMMU page tables.
+ * VT-d hardware uses 4KiB page size regardless of host page size.
  */
-#define PAGE_SHIFT_4K		(12)
-#define PAGE_SIZE_4K		(1UL << PAGE_SHIFT_4K)
-#define PAGE_MASK_4K		(((u64)-1) << PAGE_SHIFT_4K)
-#define PAGE_ALIGN_4K(addr)	(((addr) + PAGE_SIZE_4K - 1) & PAGE_MASK_4K)
+#define VTD_PAGE_SHIFT		(12)
+#define VTD_PAGE_SIZE		(1UL << VTD_PAGE_SHIFT)
+#define VTD_PAGE_MASK		(((u64)-1) << VTD_PAGE_SHIFT)
+#define VTD_PAGE_ALIGN(addr)	(((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK)
 
-#define IOVA_PFN(addr)		((addr) >> PAGE_SHIFT_4K)
+#define IOVA_PFN(addr)		((addr) >> PAGE_SHIFT)
 #define DMA_32BIT_PFN		IOVA_PFN(DMA_32BIT_MASK)
 #define DMA_64BIT_PFN		IOVA_PFN(DMA_64BIT_MASK)
 
@@ -25,7 +24,7 @@ struct root_entry {
 	u64	val;
 	u64	rsvd1;
 };
-#define ROOT_ENTRY_NR (PAGE_SIZE_4K/sizeof(struct root_entry))
+#define ROOT_ENTRY_NR (VTD_PAGE_SIZE/sizeof(struct root_entry))
 static inline bool root_present(struct root_entry *root)
 {
 	return (root->val & 1);
@@ -36,7 +35,7 @@ static inline void set_root_present(struct root_entry *root)
 }
 static inline void set_root_value(struct root_entry *root, unsigned long value)
 {
-	root->val |= value & PAGE_MASK_4K;
+	root->val |= value & VTD_PAGE_MASK;
 }
 
 struct context_entry;
@@ -45,7 +44,7 @@ get_context_addr_from_root(struct root_entry *root)
 {
 	return (struct context_entry *)
 		(root_present(root)?phys_to_virt(
-		root->val & PAGE_MASK_4K):
+		root->val & VTD_PAGE_MASK) :
 		NULL);
 }
 
@@ -67,7 +66,7 @@ struct context_entry {
 #define context_present(c) ((c).lo & 1)
 #define context_fault_disable(c) (((c).lo >> 1) & 1)
 #define context_translation_type(c) (((c).lo >> 2) & 3)
-#define context_address_root(c) ((c).lo & PAGE_MASK_4K)
+#define context_address_root(c) ((c).lo & VTD_PAGE_MASK)
 #define context_address_width(c) ((c).hi &  7)
 #define context_domain_id(c) (((c).hi >> 8) & ((1 << 16) - 1))
 
@@ -81,7 +80,7 @@ struct context_entry {
 	} while (0)
 #define CONTEXT_TT_MULTI_LEVEL 0
 #define context_set_address_root(c, val) \
-	do {(c).lo |= (val) & PAGE_MASK_4K;} while (0)
+	do {(c).lo |= (val) & VTD_PAGE_MASK; } while (0)
 #define context_set_address_width(c, val) do {(c).hi |= (val) & 7;} while (0)
 #define context_set_domain_id(c, val) \
 	do {(c).hi |= ((val) & ((1 << 16) - 1)) << 8;} while (0)
@@ -107,9 +106,9 @@ struct dma_pte {
 #define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0)
 #define dma_set_pte_prot(p, prot) \
 		do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0)
-#define dma_pte_addr(p) ((p).val & PAGE_MASK_4K)
+#define dma_pte_addr(p) ((p).val & VTD_PAGE_MASK)
 #define dma_set_pte_addr(p, addr) do {\
-		(p).val |= ((addr) & PAGE_MASK_4K); } while (0)
+		(p).val |= ((addr) & VTD_PAGE_MASK); } while (0)
 #define dma_pte_present(p) (((p).val & 3) != 0)
 
 struct intel_iommu;
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index afb0d2a5b7c..3d017cfd245 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -29,6 +29,7 @@
 #include <linux/io.h>
 #include <linux/dma_remapping.h>
 #include <asm/cacheflush.h>
+#include <asm/iommu.h>
 
 /*
  * Intel IOMMU register specification per version 1.0 public spec.
@@ -202,22 +203,21 @@ static inline void dmar_writeq(void __iomem *addr, u64 val)
 #define dma_frcd_type(d) ((d >> 30) & 1)
 #define dma_frcd_fault_reason(c) (c & 0xff)
 #define dma_frcd_source_id(c) (c & 0xffff)
-#define dma_frcd_page_addr(d) (d & (((u64)-1) << 12)) /* low 64 bit */
-
-#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000) /* 10sec */
-
-#define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \
-{\
-	cycles_t start_time = get_cycles();\
-	while (1) {\
-		sts = op (iommu->reg + offset);\
-		if (cond)\
-			break;\
+/* low 64 bit */
+#define dma_frcd_page_addr(d) (d & (((u64)-1) << PAGE_SHIFT))
+
+#define IOMMU_WAIT_OP(iommu, offset, op, cond, sts)			\
+do {									\
+	cycles_t start_time = get_cycles();				\
+	while (1) {							\
+		sts = op(iommu->reg + offset);				\
+		if (cond)						\
+			break;						\
 		if (DMAR_OPERATION_TIMEOUT < (get_cycles() - start_time))\
-			panic("DMAR hardware is malfunctioning\n");\
-		cpu_relax();\
-	}\
-}
+			panic("DMAR hardware is malfunctioning\n");	\
+		cpu_relax();						\
+	}								\
+} while (0)
 
 #define QI_LENGTH	256	/* queue length */
 
@@ -244,7 +244,7 @@ enum {
 #define QI_IOTLB_DR(dr) 	(((u64)dr) << 7)
 #define QI_IOTLB_DW(dw) 	(((u64)dw) << 6)
 #define QI_IOTLB_GRAN(gran) 	(((u64)gran) >> (DMA_TLB_FLUSH_GRANU_OFFSET-4))
-#define QI_IOTLB_ADDR(addr)	(((u64)addr) & PAGE_MASK_4K)
+#define QI_IOTLB_ADDR(addr)	(((u64)addr) & VTD_PAGE_MASK)
 #define QI_IOTLB_IH(ih)		(((u64)ih) << 6)
 #define QI_IOTLB_AM(am)		(((u8)am))
 
@@ -353,4 +353,11 @@ static inline int intel_iommu_found(void)
 }
 #endif /* CONFIG_DMAR */
 
+extern void *intel_alloc_coherent(struct device *, size_t, dma_addr_t *, gfp_t);
+extern void intel_free_coherent(struct device *, size_t, void *, dma_addr_t);
+extern dma_addr_t intel_map_single(struct device *, phys_addr_t, size_t, int);
+extern void intel_unmap_single(struct device *, dma_addr_t, size_t, int);
+extern int intel_map_sg(struct device *, struct scatterlist *, int, int);
+extern void intel_unmap_sg(struct device *, struct scatterlist *, int, int);
+
 #endif
-- 
GitLab


From f609891f428e1c20e270e7c350daf8c93cc459d7 Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann3@amd.com>
Date: Thu, 16 Oct 2008 16:27:36 +0200
Subject: [PATCH 1263/2224] amd_iommu: fix nasty bug that caused
 ILLEGAL_DEVICE_TABLE_ENTRY errors

We are on 64-bit so better use u64 instead of u32 to deal with
addresses:

static void __init iommu_set_device_table(struct amd_iommu *iommu)
{
        u64 entry;
  ...
        entry = virt_to_phys(amd_iommu_dev_table);
  ...

(I am wondering why gcc 4.2.x did not warn about the assignment
between u32 and unsigned long.)

Cc: iommu@lists.linux-foundation.org
Cc: stable@kernel.org
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 arch/x86/kernel/amd_iommu_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 4cd8083c58b..0cdcda35a05 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -212,7 +212,7 @@ static void __init iommu_set_exclusion_range(struct amd_iommu *iommu)
 /* Programs the physical address of the device table into the IOMMU hardware */
 static void __init iommu_set_device_table(struct amd_iommu *iommu)
 {
-	u32 entry;
+	u64 entry;
 
 	BUG_ON(iommu->mmio_base == NULL);
 
-- 
GitLab


From bb9e6d65078da2f38cfe1067cfd31a896ca867c0 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Wed, 15 Oct 2008 16:08:28 +0900
Subject: [PATCH 1264/2224] intel-iommu: use coherent_dma_mask in
 alloc_coherent

This patch fixes intel-iommu to use dev->coherent_dma_mask in
alloc_coherent. Currently, intel-iommu uses dev->dma_mask in
alloc_coherent but alloc_coherent is supposed to use
coherent_dma_mask. It could break drivers that uses smaller
coherent_dma_mask than dma_mask (though the current code works for the
majority that use the same mask for coherent_dma_mask and dma_mask).

[dwmw2: dma_mask can be bigger than 'unsigned long']
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/intel-iommu.c | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 2bf96babbc4..d315e413fae 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1762,14 +1762,14 @@ iommu_alloc_iova(struct dmar_domain *domain, size_t size, u64 end)
 
 static struct iova *
 __intel_alloc_iova(struct device *dev, struct dmar_domain *domain,
-		size_t size)
+		   size_t size, u64 dma_mask)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct iova *iova = NULL;
 
-	if ((pdev->dma_mask <= DMA_32BIT_MASK) || (dmar_forcedac)) {
-		iova = iommu_alloc_iova(domain, size, pdev->dma_mask);
-	} else  {
+	if (dma_mask <= DMA_32BIT_MASK || dmar_forcedac)
+		iova = iommu_alloc_iova(domain, size, dma_mask);
+	else {
 		/*
 		 * First try to allocate an io virtual address in
 		 * DMA_32BIT_MASK and if that fails then try allocating
@@ -1777,7 +1777,7 @@ __intel_alloc_iova(struct device *dev, struct dmar_domain *domain,
 		 */
 		iova = iommu_alloc_iova(domain, size, DMA_32BIT_MASK);
 		if (!iova)
-			iova = iommu_alloc_iova(domain, size, pdev->dma_mask);
+			iova = iommu_alloc_iova(domain, size, dma_mask);
 	}
 
 	if (!iova) {
@@ -1816,8 +1816,8 @@ get_valid_domain_for_dev(struct pci_dev *pdev)
 	return domain;
 }
 
-dma_addr_t
-intel_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, int dir)
+static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr,
+				     size_t size, int dir, u64 dma_mask)
 {
 	struct pci_dev *pdev = to_pci_dev(hwdev);
 	struct dmar_domain *domain;
@@ -1836,7 +1836,7 @@ intel_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, int dir)
 
 	size = aligned_size((u64)paddr, size);
 
-	iova = __intel_alloc_iova(hwdev, domain, size);
+	iova = __intel_alloc_iova(hwdev, domain, size, pdev->dma_mask);
 	if (!iova)
 		goto error;
 
@@ -1878,6 +1878,13 @@ error:
 	return 0;
 }
 
+dma_addr_t intel_map_single(struct device *hwdev, phys_addr_t paddr,
+			    size_t size, int dir)
+{
+	return __intel_map_single(hwdev, paddr, size, dir,
+				  to_pci_dev(hwdev)->dma_mask);
+}
+
 static void flush_unmaps(void)
 {
 	int i, j;
@@ -1993,7 +2000,9 @@ void *intel_alloc_coherent(struct device *hwdev, size_t size,
 		return NULL;
 	memset(vaddr, 0, size);
 
-	*dma_handle = intel_map_single(hwdev, virt_to_bus(vaddr), size, DMA_BIDIRECTIONAL);
+	*dma_handle = __intel_map_single(hwdev, virt_to_bus(vaddr), size,
+					 DMA_BIDIRECTIONAL,
+					 hwdev->coherent_dma_mask);
 	if (*dma_handle)
 		return vaddr;
 	free_pages((unsigned long)vaddr, order);
@@ -2097,7 +2106,7 @@ int intel_map_sg(struct device *hwdev, struct scatterlist *sglist, int nelems,
 		size += aligned_size((u64)addr, sg->length);
 	}
 
-	iova = __intel_alloc_iova(hwdev, domain, size);
+	iova = __intel_alloc_iova(hwdev, domain, size, pdev->dma_mask);
 	if (!iova) {
 		sglist->dma_length = 0;
 		return 0;
-- 
GitLab


From f82851a8a480a26611175f064f54e17f5f7b01ae Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sat, 18 Oct 2008 15:43:14 +0100
Subject: [PATCH 1265/2224] dmar: fix uninitialised 'ret' variable in
 dmar_parse_dev()

This was introduced by commit 1886e8a90a580f3ad343f2065c84c1b9e1dac9ef
("x64, x2apic/intr-remap: code re-structuring, to be used by both DMA
and Interrupt remapping"). It was causing bogus results to be returned
from dmar_parse_dev() when the first unit with the INCLUDE_ALL flag was
processed.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/pci/dmar.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index b65173828bc..7b3751136e6 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -188,12 +188,11 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header)
 	return 0;
 }
 
-static int __init
-dmar_parse_dev(struct dmar_drhd_unit *dmaru)
+static int __init dmar_parse_dev(struct dmar_drhd_unit *dmaru)
 {
 	struct acpi_dmar_hardware_unit *drhd;
 	static int include_all;
-	int ret;
+	int ret = 0;
 
 	drhd = (struct acpi_dmar_hardware_unit *) dmaru->hdr;
 
-- 
GitLab


From 6c8909b42fee1be67647bcd2518161a0fa8ca533 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sat, 18 Oct 2008 16:12:17 +0100
Subject: [PATCH 1266/2224] Admit to maintaining VT-d, for my sins.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 MAINTAINERS | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 52702b057c0..3ae1cac9afd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2176,6 +2176,13 @@ M:	maciej.sosnowski@intel.com
 L:	linux-kernel@vger.kernel.org
 S:	Supported
 
+INTEL IOMMU (VT-d)
+P:	David Woodhouse
+M:	dwmw2@infradead.org
+L:	iommu@lists.linux-foundation.org
+T:	git://git.infradead.org/iommu-2.6.git
+S:	Supported
+
 INTEL IOP-ADMA DMA DRIVER
 P:	Dan Williams
 M:	dan.j.williams@intel.com
-- 
GitLab


From e78521f3212d5d3931442819cbf0910fe1b28beb Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Sun, 19 Oct 2008 10:34:22 +0200
Subject: [PATCH 1267/2224] ALSA: misc typo fixes

Fixed typos in disabled codes via #if 0.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/drivers/dummy.c          | 2 +-
 sound/pci/ca0106/ca0106_main.c | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index e5e749f3e0e..73be7e14a60 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -51,7 +51,7 @@ static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
 	if (err < 0)
 		return err;
 	err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
-	if (err) < 0)
+	if (err < 0)
 		return err;
 	return 0;
 }
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index a7d89662acf..88fbf285d2b 100644
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -759,7 +759,6 @@ static int snd_ca0106_pcm_prepare_playback(struct snd_pcm_substream *substream)
 			       SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
 			       SPCS_GENERATIONSTATUS | 0x00001200 |
 			       0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT );
-	}
 #endif
 
 	return 0;
-- 
GitLab


From 727d2dc045930b29dc68d56d5032d23661ba8503 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <ext-adrian.hunter@nokia.com>
Date: Fri, 17 Oct 2008 16:52:10 +0300
Subject: [PATCH 1268/2224] UBIFS: do not read unnecessary bytes when unpacking
 bits

Fixes the following Oops:

BUG: unable to handle kernel paging request at f8d24000
IP: [<f8ff0657>] :ubifs:ubifs_unpack_bits+0xcd/0x231
*pde = 34333067 *pte = 00000000
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: deflate zlib_deflate lzo lzo_decompress lzo_compress
ubifs ubi nandsim nand nand_ids nand_ecc mtd nfsd lockd sunrpc exportfs
[last unloaded: nand_ecc]

Pid: 7450, comm: sync Not tainted (2.6.27-rc8-ubifs-2.6 #27)
EIP: 0060:[<f8ff0657>] EFLAGS: 00010206 CPU: 0
EIP is at ubifs_unpack_bits+0xcd/0x231 [ubifs]
EAX: 00000000 EBX: 00000000 ECX: d7e43dc0 EDX: 0000ff00
ESI: 00000004 EDI: f8d23ffe EBP: d7e43db4 ESP: d7e43d8c
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process sync (pid: 7450, ti=d7e42000 task=eb6f9530 task.ti=d7e42000)
Stack: 00000400 c0103db4 dc5e8090 d7e43dc0 d7e43dc0 d7e43dc4 0000001c 00000004
      f496d1e0 f8d23ffc d7e43dd4 f8ffac7e f8d23ffe 00000000 f8d23ffe f2b7af68
      f496d1e0 f8d23ffc d7e43e2c f8ffadc5 00000000 0001f000 00000000 c03b10a7
Call Trace:
[<c0103db4>] ? restore_nocheck_notrace+0x0/0xe
[<f8ffac7e>] ? is_a_node+0x43/0x92 [ubifs]
[<f8ffadc5>] ? dbg_check_ltab+0xf8/0x5c9 [ubifs]
[<c03b10a7>] ? mutex_lock_nested+0x1b2/0x2a0
[<f8ffc86e>] ? ubifs_lpt_start_commit+0x49/0xecb [ubifs]
[<c03b0ef3>] ? mutex_unlock+0xd/0xf
[<f8fef017>] ? ubifs_tnc_start_commit+0x1cf/0xef8 [ubifs]
[<f8fe65d8>] ? do_commit+0x18f/0x52d [ubifs]
[<f8fe69f6>] ? ubifs_run_commit+0x80/0xca [ubifs]
[<f8fd8d35>] ? ubifs_sync_fs+0xdb/0xf6 [ubifs]
[<c0181a07>] ? sync_filesystems+0xc6/0x10c
[<c019f279>] ? do_sync+0x3b/0x6a
[<c019f2ba>] ? sys_sync+0x12/0x18
[<c0103ced>] ? sysenter_do_call+0x12/0x35
=======================
Code: 4d ec 89 01 8b 45 e8 89 10 89 d8 89 f1 d3 e8 85 c0 74 07 29 d6 83 fe
20 75 2a 89 d8 83 c4 1c 5b 5e 5f 5d c3 0f b6 57 01 c1 e2 08 <0f> b6 47 02
c1 e0 10 09 c2 0f b6 07 09 c2 0f b
EIP: [<f8ff0657>] ubifs_unpack_bits+0xcd/0x231 [ubifs] SS:ESP 0068:d7e43d8c
---[ end trace 1bbb4c407a6dd816 ]---

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
---
 fs/ubifs/lpt.c | 45 ++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 38 insertions(+), 7 deletions(-)

diff --git a/fs/ubifs/lpt.c b/fs/ubifs/lpt.c
index cd11b23a187..db8bd0e518b 100644
--- a/fs/ubifs/lpt.c
+++ b/fs/ubifs/lpt.c
@@ -288,25 +288,56 @@ uint32_t ubifs_unpack_bits(uint8_t **addr, int *pos, int nrbits)
 	const int k = 32 - nrbits;
 	uint8_t *p = *addr;
 	int b = *pos;
-	uint32_t val;
+	uint32_t uninitialized_var(val);
+	const int bytes = (nrbits + b + 7) >> 3;
 
 	ubifs_assert(nrbits > 0);
 	ubifs_assert(nrbits <= 32);
 	ubifs_assert(*pos >= 0);
 	ubifs_assert(*pos < 8);
 	if (b) {
-		val = p[1] | ((uint32_t)p[2] << 8) | ((uint32_t)p[3] << 16) |
-		      ((uint32_t)p[4] << 24);
+		switch (bytes) {
+		case 2:
+			val = p[1];
+			break;
+		case 3:
+			val = p[1] | ((uint32_t)p[2] << 8);
+			break;
+		case 4:
+			val = p[1] | ((uint32_t)p[2] << 8) |
+				     ((uint32_t)p[3] << 16);
+			break;
+		case 5:
+			val = p[1] | ((uint32_t)p[2] << 8) |
+				     ((uint32_t)p[3] << 16) |
+				     ((uint32_t)p[4] << 24);
+		}
 		val <<= (8 - b);
 		val |= *p >> b;
 		nrbits += b;
-	} else
-		val = p[0] | ((uint32_t)p[1] << 8) | ((uint32_t)p[2] << 16) |
-		      ((uint32_t)p[3] << 24);
+	} else {
+		switch (bytes) {
+		case 1:
+			val = p[0];
+			break;
+		case 2:
+			val = p[0] | ((uint32_t)p[1] << 8);
+			break;
+		case 3:
+			val = p[0] | ((uint32_t)p[1] << 8) |
+				     ((uint32_t)p[2] << 16);
+			break;
+		case 4:
+			val = p[0] | ((uint32_t)p[1] << 8) |
+				     ((uint32_t)p[2] << 16) |
+				     ((uint32_t)p[3] << 24);
+			break;
+		}
+	}
 	val <<= k;
 	val >>= k;
 	b = nrbits & 7;
-	p += nrbits / 8;
+	p += nrbits >> 3;
 	*addr = p;
 	*pos = b;
 	ubifs_assert((val >> nrbits) == 0 || nrbits - b == 32);
-- 
GitLab


From fae7fb299f382355145c6cb4eec6aa84f4cd1fca Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Fri, 17 Oct 2008 18:49:23 +0300
Subject: [PATCH 1269/2224] UBIFS: amend printk

It is better to print "Reserved for root" than
"Reserved pool size", because it is more obvious for users
what this means.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 7fd759dde79..046bf087923 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1217,7 +1217,7 @@ static int mount_ubifs(struct ubifs_info *c)
 	ubifs_msg("media format:       %d (latest is %d)",
 		  c->fmt_version, UBIFS_FORMAT_VERSION);
 	ubifs_msg("default compressor: %s", ubifs_compr_name(c->default_compr));
-	ubifs_msg("reserved pool size: %llu bytes (%llu KiB)",
+	ubifs_msg("reserved for root:  %llu bytes (%llu KiB)",
 		c->report_rp_size, c->report_rp_size >> 10);
 
 	dbg_msg("compiled on:         " __DATE__ " at " __TIME__);
-- 
GitLab


From 54779aabb0183bbe049d2b52e96cd148366dfb0b Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Fri, 17 Oct 2008 16:16:10 +0200
Subject: [PATCH 1270/2224] UBIFS: fix ubifs_compress commentary

Update the comment for ubifs_compress(), which incorrectly states that it
returnsa success/failure indicator.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
---
 fs/ubifs/compress.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/ubifs/compress.c b/fs/ubifs/compress.c
index 5bb51dac3c1..a0ada596b17 100644
--- a/fs/ubifs/compress.c
+++ b/fs/ubifs/compress.c
@@ -91,8 +91,6 @@ struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
  *
  * Note, if the input buffer was not compressed, it is copied to the output
  * buffer and %UBIFS_COMPR_NONE is returned in @compr_type.
- *
- * This functions returns %0 on success or a negative error code on failure.
  */
 void ubifs_compress(const void *in_buf, int in_len, void *out_buf, int *out_len,
 		    int *compr_type)
-- 
GitLab


From 04185fc67c0f8ec84ce9dd9ef33c9825b41453c6 Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Wed, 8 Oct 2008 23:41:19 +0200
Subject: [PATCH 1271/2224] [ARM] mv78xx0: force link speed/duplex on eth2/eth3

On the mv78xx0 development board, eth2 and eth3 do not have
corresponding PHYs, but are internally connected, as a way of
facilitating communication between the two CPU cores.  Since there are
no PHYs, we need to tell the network driver explicitly to force the
link on eth2 and eth3 up, to 1000 Mb/s full duplex.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
---
 arch/arm/mach-mv78xx0/db78x00-bp-setup.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
index 49f434c39eb..2e285bbb7bb 100644
--- a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
+++ b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
@@ -13,6 +13,7 @@
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
 #include <linux/mv643xx_eth.h>
+#include <linux/ethtool.h>
 #include <mach/mv78xx0.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -28,10 +29,14 @@ static struct mv643xx_eth_platform_data db78x00_ge01_data = {
 
 static struct mv643xx_eth_platform_data db78x00_ge10_data = {
 	.phy_addr	= MV643XX_ETH_PHY_NONE,
+	.speed		= SPEED_1000,
+	.duplex		= DUPLEX_FULL,
 };
 
 static struct mv643xx_eth_platform_data db78x00_ge11_data = {
 	.phy_addr	= MV643XX_ETH_PHY_NONE,
+	.speed		= SPEED_1000,
+	.duplex		= DUPLEX_FULL,
 };
 
 static struct mv_sata_platform_data db78x00_sata_data = {
-- 
GitLab


From dcf1cece143d95b48676cf607a21ee0805daa55a Mon Sep 17 00:00:00 2001
From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Thu, 25 Sep 2008 16:23:48 +0200
Subject: [PATCH 1272/2224] [ARM] Orion: instantiate the dsa switch driver

This adds DSA switch instantiation hooks to the orion5x and the
kirkwood ARM SoC platform code, and instantiates the DSA switch
driver on the 88F5181L FXO RD, the 88F5181L GE RD, the 6183 AP GE
RD, the Linksys WRT350n v2, and the 88F6281 RD boards.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Tested-by: Nicolas Pitre <nico@marvell.com>
Tested-by: Peter van Valderen <linux@ddcrew.com>
Tested-by: Dirk Teurlings <dirk@upexia.nl>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
---
 arch/arm/mach-kirkwood/common.c              | 35 ++++++++++++++++++++
 arch/arm/mach-kirkwood/common.h              |  2 ++
 arch/arm/mach-kirkwood/rd88f6281-setup.c     | 11 ++++++
 arch/arm/mach-orion5x/common.c               | 35 ++++++++++++++++++++
 arch/arm/mach-orion5x/common.h               |  2 ++
 arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c | 11 ++++++
 arch/arm/mach-orion5x/rd88f5181l-ge-setup.c  | 11 ++++++
 arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c | 11 ++++++
 arch/arm/mach-orion5x/wrt350n-v2-setup.c     | 11 ++++++
 9 files changed, 129 insertions(+)

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 85cad05d8c5..0bb1fbd84cc 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -16,6 +16,7 @@
 #include <linux/mv643xx_eth.h>
 #include <linux/ata_platform.h>
 #include <linux/spi/orion_spi.h>
+#include <net/dsa.h>
 #include <asm/page.h>
 #include <asm/timex.h>
 #include <asm/mach/map.h>
@@ -151,6 +152,40 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 }
 
 
+/*****************************************************************************
+ * Ethernet switch
+ ****************************************************************************/
+static struct resource kirkwood_switch_resources[] = {
+	{
+		.start	= 0,
+		.end	= 0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device kirkwood_switch_device = {
+	.name		= "dsa",
+	.id		= 0,
+	.num_resources	= 0,
+	.resource	= kirkwood_switch_resources,
+};
+
+void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
+{
+	if (irq != NO_IRQ) {
+		kirkwood_switch_resources[0].start = irq;
+		kirkwood_switch_resources[0].end = irq;
+		kirkwood_switch_device.num_resources = 1;
+	}
+
+	d->mii_bus = &kirkwood_ge00_shared.dev;
+	d->netdev = &kirkwood_ge00.dev;
+	kirkwood_switch_device.dev.platform_data = d;
+
+	platform_device_register(&kirkwood_switch_device);
+}
+
+
 /*****************************************************************************
  * SoC RTC
  ****************************************************************************/
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 8fa0f6a2763..5774632a67e 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -11,6 +11,7 @@
 #ifndef __ARCH_KIRKWOOD_COMMON_H
 #define __ARCH_KIRKWOOD_COMMON_H
 
+struct dsa_platform_data;
 struct mv643xx_eth_platform_data;
 struct mv_sata_platform_data;
 
@@ -29,6 +30,7 @@ void kirkwood_pcie_id(u32 *dev, u32 *rev);
 
 void kirkwood_ehci_init(void);
 void kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data);
+void kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq);
 void kirkwood_pcie_init(void);
 void kirkwood_rtc_init(void);
 void kirkwood_sata_init(struct mv_sata_platform_data *sata_data);
diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c
index f785093e433..175054abd63 100644
--- a/arch/arm/mach-kirkwood/rd88f6281-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c
@@ -19,6 +19,7 @@
 #include <linux/ata_platform.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/ethtool.h>
+#include <net/dsa.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
@@ -74,6 +75,15 @@ static struct mv643xx_eth_platform_data rd88f6281_ge00_data = {
 	.duplex		= DUPLEX_FULL,
 };
 
+static struct dsa_platform_data rd88f6281_switch_data = {
+	.port_names[0]	= "lan1",
+	.port_names[1]	= "lan2",
+	.port_names[2]	= "lan3",
+	.port_names[3]	= "lan4",
+	.port_names[4]	= "wan",
+	.port_names[5]	= "cpu",
+};
+
 static struct mv_sata_platform_data rd88f6281_sata_data = {
 	.n_ports	= 2,
 };
@@ -87,6 +97,7 @@ static void __init rd88f6281_init(void)
 
 	kirkwood_ehci_init();
 	kirkwood_ge00_init(&rd88f6281_ge00_data);
+	kirkwood_ge00_switch_init(&rd88f6281_switch_data, NO_IRQ);
 	kirkwood_rtc_init();
 	kirkwood_sata_init(&rd88f6281_sata_data);
 	kirkwood_uart0_init();
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 9625ef5975d..a2f917e0a30 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -19,6 +19,7 @@
 #include <linux/mv643xx_i2c.h>
 #include <linux/ata_platform.h>
 #include <linux/spi/orion_spi.h>
+#include <net/dsa.h>
 #include <asm/page.h>
 #include <asm/setup.h>
 #include <asm/timex.h>
@@ -197,6 +198,40 @@ void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
 }
 
 
+/*****************************************************************************
+ * Ethernet switch
+ ****************************************************************************/
+static struct resource orion5x_switch_resources[] = {
+	{
+		.start	= 0,
+		.end	= 0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device orion5x_switch_device = {
+	.name		= "dsa",
+	.id		= 0,
+	.num_resources	= 0,
+	.resource	= orion5x_switch_resources,
+};
+
+void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq)
+{
+	if (irq != NO_IRQ) {
+		orion5x_switch_resources[0].start = irq;
+		orion5x_switch_resources[0].end = irq;
+		orion5x_switch_device.num_resources = 1;
+	}
+
+	d->mii_bus = &orion5x_eth_shared.dev;
+	d->netdev = &orion5x_eth.dev;
+	orion5x_switch_device.dev.platform_data = d;
+
+	platform_device_register(&orion5x_switch_device);
+}
+
+
 /*****************************************************************************
  * I2C
  ****************************************************************************/
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index 1f8b2da676a..a000c7c6ee9 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -1,6 +1,7 @@
 #ifndef __ARCH_ORION5X_COMMON_H
 #define __ARCH_ORION5X_COMMON_H
 
+struct dsa_platform_data;
 struct mv643xx_eth_platform_data;
 struct mv_sata_platform_data;
 
@@ -29,6 +30,7 @@ void orion5x_setup_pcie_wa_win(u32 base, u32 size);
 void orion5x_ehci0_init(void);
 void orion5x_ehci1_init(void);
 void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data);
+void orion5x_eth_switch_init(struct dsa_platform_data *d, int irq);
 void orion5x_i2c_init(void);
 void orion5x_sata_init(struct mv_sata_platform_data *sata_data);
 void orion5x_spi_init(void);
diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
index 500cdadaf09..15f53235ee3 100644
--- a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
@@ -16,6 +16,7 @@
 #include <linux/mtd/physmap.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/ethtool.h>
+#include <net/dsa.h>
 #include <asm/mach-types.h>
 #include <asm/gpio.h>
 #include <asm/leds.h>
@@ -93,6 +94,15 @@ static struct mv643xx_eth_platform_data rd88f5181l_fxo_eth_data = {
 	.duplex		= DUPLEX_FULL,
 };
 
+static struct dsa_platform_data rd88f5181l_fxo_switch_data = {
+	.port_names[0]	= "lan2",
+	.port_names[1]	= "lan1",
+	.port_names[2]	= "wan",
+	.port_names[3]	= "cpu",
+	.port_names[5]	= "lan4",
+	.port_names[7]	= "lan3",
+};
+
 static void __init rd88f5181l_fxo_init(void)
 {
 	/*
@@ -107,6 +117,7 @@ static void __init rd88f5181l_fxo_init(void)
 	 */
 	orion5x_ehci0_init();
 	orion5x_eth_init(&rd88f5181l_fxo_eth_data);
+	orion5x_eth_switch_init(&rd88f5181l_fxo_switch_data, NO_IRQ);
 	orion5x_uart0_init();
 
 	orion5x_setup_dev_boot_win(RD88F5181L_FXO_NOR_BOOT_BASE,
diff --git a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
index ebde8141649..8ad3934399d 100644
--- a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
@@ -17,6 +17,7 @@
 #include <linux/mv643xx_eth.h>
 #include <linux/ethtool.h>
 #include <linux/i2c.h>
+#include <net/dsa.h>
 #include <asm/mach-types.h>
 #include <asm/gpio.h>
 #include <asm/leds.h>
@@ -94,6 +95,15 @@ static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = {
 	.duplex		= DUPLEX_FULL,
 };
 
+static struct dsa_platform_data rd88f5181l_ge_switch_data = {
+	.port_names[0]	= "lan2",
+	.port_names[1]	= "lan1",
+	.port_names[2]	= "wan",
+	.port_names[3]	= "cpu",
+	.port_names[5]	= "lan4",
+	.port_names[7]	= "lan3",
+};
+
 static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
 	I2C_BOARD_INFO("ds1338", 0x68),
 };
@@ -112,6 +122,7 @@ static void __init rd88f5181l_ge_init(void)
 	 */
 	orion5x_ehci0_init();
 	orion5x_eth_init(&rd88f5181l_ge_eth_data);
+	orion5x_eth_switch_init(&rd88f5181l_ge_switch_data, gpio_to_irq(8));
 	orion5x_i2c_init();
 	orion5x_uart0_init();
 
diff --git a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
index 40e04953909..262e25e4dac 100644
--- a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
+++ b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
@@ -19,6 +19,7 @@
 #include <linux/spi/orion_spi.h>
 #include <linux/spi/flash.h>
 #include <linux/ethtool.h>
+#include <net/dsa.h>
 #include <asm/mach-types.h>
 #include <asm/gpio.h>
 #include <asm/leds.h>
@@ -34,6 +35,15 @@ static struct mv643xx_eth_platform_data rd88f6183ap_ge_eth_data = {
 	.duplex		= DUPLEX_FULL,
 };
 
+static struct dsa_platform_data rd88f6183ap_ge_switch_data = {
+	.port_names[0]	= "lan1",
+	.port_names[1]	= "lan2",
+	.port_names[2]	= "lan3",
+	.port_names[3]	= "lan4",
+	.port_names[4]	= "wan",
+	.port_names[5]	= "cpu",
+};
+
 static struct mtd_partition rd88f6183ap_ge_partitions[] = {
 	{
 		.name	= "kernel",
@@ -79,6 +89,7 @@ static void __init rd88f6183ap_ge_init(void)
 	 */
 	orion5x_ehci0_init();
 	orion5x_eth_init(&rd88f6183ap_ge_eth_data);
+	orion5x_eth_switch_init(&rd88f6183ap_ge_switch_data, gpio_to_irq(3));
 	spi_register_board_info(rd88f6183ap_ge_spi_slave_info,
 				ARRAY_SIZE(rd88f6183ap_ge_spi_slave_info));
 	orion5x_spi_init();
diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
index 9a4fd525646..cc8f8920086 100644
--- a/arch/arm/mach-orion5x/wrt350n-v2-setup.c
+++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
@@ -15,6 +15,7 @@
 #include <linux/mtd/physmap.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/ethtool.h>
+#include <net/dsa.h>
 #include <asm/mach-types.h>
 #include <asm/gpio.h>
 #include <asm/mach/arch.h>
@@ -105,6 +106,15 @@ static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
 	.duplex		= DUPLEX_FULL,
 };
 
+static struct dsa_platform_data wrt350n_v2_switch_data = {
+	.port_names[0]	= "lan2",
+	.port_names[1]	= "lan1",
+	.port_names[2]	= "wan",
+	.port_names[3]	= "cpu",
+	.port_names[5]	= "lan3",
+	.port_names[7]	= "lan4",
+};
+
 static void __init wrt350n_v2_init(void)
 {
 	/*
@@ -119,6 +129,7 @@ static void __init wrt350n_v2_init(void)
 	 */
 	orion5x_ehci0_init();
 	orion5x_eth_init(&wrt350n_v2_eth_data);
+	orion5x_eth_switch_init(&wrt350n_v2_switch_data, NO_IRQ);
 	orion5x_uart0_init();
 
 	orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
-- 
GitLab


From c0e1936338a11ea252d11370ff62e40db334f646 Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nico@cam.org>
Date: Sun, 19 Oct 2008 14:18:25 -0400
Subject: [PATCH 1273/2224] [ARM] Orion: activate workaround for 88f6183 SPI
 clock erratum

Commit 2ede90ca78500ca0ffeee19d7812d345f8ad152d adds 6183 support,
but the SPI support in there doesn't work since it depends on a
6183 SPI unit erratum fix that only just went upstream, via commit
2bec19feabd53cba75e9dab0e79afbe868a37113.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
---
 arch/arm/mach-orion5x/common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index a2f917e0a30..437065c25c9 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -310,7 +310,8 @@ void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
  * SPI
  ****************************************************************************/
 static struct orion_spi_info orion5x_spi_plat_data = {
-	.tclk		= 0,
+	.tclk			= 0,
+	.enable_clock_fix	= 1,
 };
 
 static struct resource orion5x_spi_resources[] = {
-- 
GitLab


From d9d332e0874f46b91d8ac4604b68ee42b8a7a2c6 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun, 19 Oct 2008 10:32:20 -0700
Subject: [PATCH 1274/2224] anon_vma_prepare: properly lock even newly
 allocated entries

The anon_vma code is very subtle, and we end up doing optimistic lookups
of anon_vmas under RCU in page_lock_anon_vma() with no locking.  Other
CPU's can also see the newly allocated entry immediately after we've
exposed it by setting "vma->anon_vma" to the new value.

We protect against the anon_vma being destroyed by having the SLAB
marked as SLAB_DESTROY_BY_RCU, so the RCU lookup can depend on the
allocation not being destroyed - but it might still be free'd and
re-allocated here to a new vma.

As a result, we should not do the anon_vma list ops on a newly allocated
vma without proper locking.

Acked-by: Nick Piggin <npiggin@suse.de>
Acked-by: Hugh Dickins <hugh@veritas.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/rmap.c | 42 ++++++++++++++++++++++++++++++++----------
 1 file changed, 32 insertions(+), 10 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index 0383acfcb06..e8d639b16c6 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -55,7 +55,33 @@
 
 struct kmem_cache *anon_vma_cachep;
 
-/* This must be called under the mmap_sem. */
+/**
+ * anon_vma_prepare - attach an anon_vma to a memory region
+ * @vma: the memory region in question
+ *
+ * This makes sure the memory mapping described by 'vma' has
+ * an 'anon_vma' attached to it, so that we can associate the
+ * anonymous pages mapped into it with that anon_vma.
+ *
+ * The common case will be that we already have one, but if
+ * if not we either need to find an adjacent mapping that we
+ * can re-use the anon_vma from (very common when the only
+ * reason for splitting a vma has been mprotect()), or we
+ * allocate a new one.
+ *
+ * Anon-vma allocations are very subtle, because we may have
+ * optimistically looked up an anon_vma in page_lock_anon_vma()
+ * and that may actually touch the spinlock even in the newly
+ * allocated vma (it depends on RCU to make sure that the
+ * anon_vma isn't actually destroyed).
+ *
+ * As a result, we need to do proper anon_vma locking even
+ * for the new allocation. At the same time, we do not want
+ * to do any locking for the common case of already having
+ * an anon_vma.
+ *
+ * This must be called with the mmap_sem held for reading.
+ */
 int anon_vma_prepare(struct vm_area_struct *vma)
 {
 	struct anon_vma *anon_vma = vma->anon_vma;
@@ -63,20 +89,17 @@ int anon_vma_prepare(struct vm_area_struct *vma)
 	might_sleep();
 	if (unlikely(!anon_vma)) {
 		struct mm_struct *mm = vma->vm_mm;
-		struct anon_vma *allocated, *locked;
+		struct anon_vma *allocated;
 
 		anon_vma = find_mergeable_anon_vma(vma);
-		if (anon_vma) {
-			allocated = NULL;
-			locked = anon_vma;
-			spin_lock(&locked->lock);
-		} else {
+		allocated = NULL;
+		if (!anon_vma) {
 			anon_vma = anon_vma_alloc();
 			if (unlikely(!anon_vma))
 				return -ENOMEM;
 			allocated = anon_vma;
-			locked = NULL;
 		}
+		spin_lock(&anon_vma->lock);
 
 		/* page_table_lock to protect against threads */
 		spin_lock(&mm->page_table_lock);
@@ -87,8 +110,7 @@ int anon_vma_prepare(struct vm_area_struct *vma)
 		}
 		spin_unlock(&mm->page_table_lock);
 
-		if (locked)
-			spin_unlock(&locked->lock);
+		spin_unlock(&anon_vma->lock);
 		if (unlikely(allocated))
 			anon_vma_free(allocated);
 	}
-- 
GitLab


From a87903f3b4fdbb2088d50a12eef872a1b3fa2ba4 Mon Sep 17 00:00:00 2001
From: Ian Molton <spyro@f2s.com>
Date: Fri, 25 Jul 2008 22:59:29 +0100
Subject: [PATCH 1275/2224] mfd: reduce stack usage in mfd-core.c

This patch moves the allocation of the resources off the stack in
mfd_add_device().

Signed-off-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/mfd-core.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 9c9c126ed33..6c0d1bec4b7 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -20,7 +20,7 @@ static int mfd_add_device(struct device *parent, int id,
 			  struct resource *mem_base,
 			  int irq_base)
 {
-	struct resource res[cell->num_resources];
+	struct resource *res;
 	struct platform_device *pdev;
 	int ret = -ENOMEM;
 	int r;
@@ -29,14 +29,17 @@ static int mfd_add_device(struct device *parent, int id,
 	if (!pdev)
 		goto fail_alloc;
 
+	res = kzalloc(sizeof(*res) * cell->num_resources, GFP_KERNEL);
+	if (!res)
+		goto fail_device;
+
 	pdev->dev.parent = parent;
 
 	ret = platform_device_add_data(pdev,
 			cell->platform_data, cell->data_size);
 	if (ret)
-		goto fail_device;
+		goto fail_res;
 
-	memset(res, 0, sizeof(res));
 	for (r = 0; r < cell->num_resources; r++) {
 		res[r].name = cell->resources[r].name;
 		res[r].flags = cell->resources[r].flags;
@@ -64,11 +67,15 @@ static int mfd_add_device(struct device *parent, int id,
 
 	ret = platform_device_add(pdev);
 	if (ret)
-		goto fail_device;
+		goto fail_res;
+
+	kfree(res);
 
 	return 0;
 
 /*	platform_device_del(pdev); */
+fail_res:
+	kfree(res);
 fail_device:
 	platform_device_put(pdev);
 fail_alloc:
-- 
GitLab


From 80e74a805f0a6662b9b8de519439afd06ac35427 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sun, 10 Aug 2008 23:45:24 +0200
Subject: [PATCH 1276/2224] mfd: update sm501 debugging/low information
 messages

Make the default output of the SM501 driver to be less noisy wrt to
message that have low informational value, or simply should be debug.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/sm501.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 7aebad4c06f..220e4371266 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -623,8 +623,8 @@ unsigned long sm501_set_clock(struct device *dev,
 
 	sm501_sync_regs(sm);
 
-	dev_info(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
-		 gate, clock, mode);
+	dev_dbg(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
+		gate, clock, mode);
 
 	sm501_mdelay(sm, 16);
 	mutex_unlock(&sm->clock_lock);
@@ -742,7 +742,7 @@ static int sm501_register_device(struct sm501_devdata *sm,
 	int ret;
 
 	for (ptr = 0; ptr < pdev->num_resources; ptr++) {
-		printk("%s[%d] flags %08lx: %08llx..%08llx\n",
+		printk(KERN_DEBUG "%s[%d] flags %08lx: %08llx..%08llx\n",
 		       pdev->name, ptr,
 		       pdev->resource[ptr].flags,
 		       (unsigned long long)pdev->resource[ptr].start,
-- 
GitLab


From 1c1b6ffce5737d764cc474b9bd6677bb9a344094 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Wed, 24 Sep 2008 23:36:23 +0200
Subject: [PATCH 1277/2224] mfd: provide and use setup hook for tc6393xb

Instead of using bitfields for initial gpio setup,
provide generic setup/teardown hooks that can be used
to set the gpio states, register child devices, etc.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 arch/arm/mach-pxa/include/mach/tosa.h |  2 --
 arch/arm/mach-pxa/tosa.c              | 35 ++++++++++++++++++++++-----
 drivers/mfd/tc6393xb.c                | 21 ++++++++++------
 include/linux/mfd/tc6393xb.h          |  4 +--
 4 files changed, 45 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mach-pxa/include/mach/tosa.h b/arch/arm/mach-pxa/include/mach/tosa.h
index a72803f0461..8bce6d8615b 100644
--- a/arch/arm/mach-pxa/include/mach/tosa.h
+++ b/arch/arm/mach-pxa/include/mach/tosa.h
@@ -59,8 +59,6 @@
  * TC6393XB GPIOs
  */
 #define TOSA_TC6393XB_GPIO_BASE		(NR_BUILTIN_GPIO + 2 * 12)
-#define TOSA_TC6393XB_GPIO(i)		(TOSA_TC6393XB_GPIO_BASE + (i))
-#define TOSA_TC6393XB_GPIO_BIT(gpio)	(1 << (gpio - TOSA_TC6393XB_GPIO_BASE))
 
 #define TOSA_GPIO_TG_ON			(TOSA_TC6393XB_GPIO_BASE + 0)
 #define TOSA_GPIO_L_MUTE		(TOSA_TC6393XB_GPIO_BASE + 1)
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 130e37e4ebd..fac846b0d07 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -706,16 +706,39 @@ static struct tmio_nand_data tosa_tc6393xb_nand_config = {
 	.badblock_pattern = &tosa_tc6393xb_nand_bbt,
 };
 
-static struct tc6393xb_platform_data tosa_tc6393xb_setup = {
+static int tosa_tc6393xb_setup(struct platform_device *dev)
+{
+	int rc;
+
+	rc = gpio_request(TOSA_GPIO_CARD_VCC_ON, "CARD_VCC_ON");
+	if (rc)
+		goto err_req;
+
+	rc = gpio_direction_output(TOSA_GPIO_CARD_VCC_ON, 1);
+	if (rc)
+		goto err_dir;
+
+	return rc;
+
+err_dir:
+	gpio_free(TOSA_GPIO_CARD_VCC_ON);
+err_req:
+	return rc;
+}
+
+static void tosa_tc6393xb_teardown(struct platform_device *dev)
+{
+	gpio_free(TOSA_GPIO_CARD_VCC_ON);
+}
+
+static struct tc6393xb_platform_data tosa_tc6393xb_data = {
 	.scr_pll2cr	= 0x0cc1,
 	.scr_gper	= 0x3300,
-	.scr_gpo_dsr	=
-		TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
-	.scr_gpo_doecr	=
-		TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
 
 	.irq_base	= IRQ_BOARD_START,
 	.gpio_base	= TOSA_TC6393XB_GPIO_BASE,
+	.setup		= tosa_tc6393xb_setup,
+	.teardown	= tosa_tc6393xb_teardown,
 
 	.enable		= tosa_tc6393xb_enable,
 	.disable	= tosa_tc6393xb_disable,
@@ -730,7 +753,7 @@ static struct platform_device tc6393xb_device = {
 	.name	= "tc6393xb",
 	.id	= -1,
 	.dev	= {
-		.platform_data	= &tosa_tc6393xb_setup,
+		.platform_data	= &tosa_tc6393xb_data,
 	},
 	.num_resources	= ARRAY_SIZE(tc6393xb_resources),
 	.resource	= tc6393xb_resources,
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index e4c1c788b5f..83dc703f376 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -460,13 +460,6 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 
 	tc6393xb->suspend_state.fer = 0;
 
-	for (i = 0; i < 3; i++) {
-		tc6393xb->suspend_state.gpo_dsr[i] =
-			(tcpd->scr_gpo_dsr >> (8 * i)) & 0xff;
-		tc6393xb->suspend_state.gpo_doecr[i] =
-			(tcpd->scr_gpo_doecr >> (8 * i)) & 0xff;
-	}
-
 	tc6393xb->suspend_state.ccr = SCR_CCR_UNK1 |
 					SCR_CCR_HCLK_48;
 
@@ -488,6 +481,12 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 
 	tc6393xb_attach_irq(dev);
 
+	if (tcpd->setup) {
+		ret = tcpd->setup(dev);
+		if (ret)
+			goto err_setup;
+	}
+
 	tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data;
 	tc6393xb_cells[TC6393XB_CELL_NAND].platform_data =
 		&tc6393xb_cells[TC6393XB_CELL_NAND];
@@ -506,6 +505,10 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 	if (!ret)
 		return 0;
 
+	if (tcpd->teardown)
+		tcpd->teardown(dev);
+
+err_setup:
 	tc6393xb_detach_irq(dev);
 
 err_gpio_add:
@@ -535,6 +538,10 @@ static int __devexit tc6393xb_remove(struct platform_device *dev)
 	int ret;
 
 	mfd_remove_devices(&dev->dev);
+
+	if (tcpd->teardown)
+		tcpd->teardown(dev);
+
 	tc6393xb_detach_irq(dev);
 
 	if (tc6393xb->gpio.base != -1) {
diff --git a/include/linux/mfd/tc6393xb.h b/include/linux/mfd/tc6393xb.h
index fec7b3f7a81..1fa820646d9 100644
--- a/include/linux/mfd/tc6393xb.h
+++ b/include/linux/mfd/tc6393xb.h
@@ -21,8 +21,6 @@
 struct tc6393xb_platform_data {
 	u16	scr_pll2cr;	/* PLL2 Control */
 	u16	scr_gper;	/* GP Enable */
-	u32	scr_gpo_doecr;	/* GPO Data OE Control */
-	u32	scr_gpo_dsr;	/* GPO Data Set */
 
 	int	(*enable)(struct platform_device *dev);
 	int	(*disable)(struct platform_device *dev);
@@ -31,6 +29,8 @@ struct tc6393xb_platform_data {
 
 	int	irq_base;	/* base for subdevice irqs */
 	int	gpio_base;
+	int	(*setup)(struct platform_device *dev);
+	void	(*teardown)(struct platform_device *dev);
 
 	struct tmio_nand_data	*nand_data;
 };
-- 
GitLab


From f98a0bd0e4b77b12e49ce01f4c9f04503931c291 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Wed, 24 Sep 2008 23:46:10 +0200
Subject: [PATCH 1278/2224] mfd: do tcb6393xb state restore on resume only if
 requested

As requested by Ian make state restore only if it's requested
by platform data: some platforms do correctly save the state of
the chip during suspend/resume, but some (like tosa) incorrectly
power off the chip at suspend, so the driver supports restoring
some bits of the tc6393xb state (not full, merely enough to support
resume on tosa). With this patch this code is disabled by default.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 arch/arm/mach-pxa/tosa.c     |  2 +
 drivers/mfd/tc6393xb.c       | 74 +++++++++++++++++-------------------
 include/linux/mfd/tc6393xb.h |  4 ++
 3 files changed, 40 insertions(+), 40 deletions(-)

diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index fac846b0d07..a6c4694359c 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -746,6 +746,8 @@ static struct tc6393xb_platform_data tosa_tc6393xb_data = {
 	.resume		= tosa_tc6393xb_resume,
 
 	.nand_data	= &tosa_tc6393xb_nand_config,
+
+	.resume_restore = 1,
 };
 
 
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 83dc703f376..c3c64aeeb12 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -369,41 +369,12 @@ static void tc6393xb_detach_irq(struct platform_device *dev)
 
 /*--------------------------------------------------------------------------*/
 
-static int tc6393xb_hw_init(struct platform_device *dev)
-{
-	struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
-	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
-	int i;
-
-	iowrite8(tc6393xb->suspend_state.fer,	tc6393xb->scr + SCR_FER);
-	iowrite16(tcpd->scr_pll2cr,		tc6393xb->scr + SCR_PLL2CR);
-	iowrite16(tc6393xb->suspend_state.ccr,	tc6393xb->scr + SCR_CCR);
-	iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
-		  SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
-		  BIT(15),			tc6393xb->scr + SCR_MCR);
-	iowrite16(tcpd->scr_gper,		tc6393xb->scr + SCR_GPER);
-	iowrite8(0,				tc6393xb->scr + SCR_IRR);
-	iowrite8(0xbf,				tc6393xb->scr + SCR_IMR);
-
-	for (i = 0; i < 3; i++) {
-		iowrite8(tc6393xb->suspend_state.gpo_dsr[i],
-					tc6393xb->scr + SCR_GPO_DSR(i));
-		iowrite8(tc6393xb->suspend_state.gpo_doecr[i],
-					tc6393xb->scr + SCR_GPO_DOECR(i));
-		iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
-					tc6393xb->scr + SCR_GPI_BCR(i));
-	}
-
-	return 0;
-}
-
 static int __devinit tc6393xb_probe(struct platform_device *dev)
 {
 	struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
 	struct tc6393xb *tc6393xb;
 	struct resource *iomem, *rscr;
 	int ret, temp;
-	int i;
 
 	iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	if (!iomem)
@@ -458,14 +429,16 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 	if (ret)
 		goto err_enable;
 
-	tc6393xb->suspend_state.fer = 0;
-
-	tc6393xb->suspend_state.ccr = SCR_CCR_UNK1 |
-					SCR_CCR_HCLK_48;
-
-	ret = tc6393xb_hw_init(dev);
-	if (ret)
-		goto err_hw_init;
+	iowrite8(0,				tc6393xb->scr + SCR_FER);
+	iowrite16(tcpd->scr_pll2cr,		tc6393xb->scr + SCR_PLL2CR);
+	iowrite16(SCR_CCR_UNK1 | SCR_CCR_HCLK_48,
+						tc6393xb->scr + SCR_CCR);
+	iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
+		  SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
+		  BIT(15),			tc6393xb->scr + SCR_MCR);
+	iowrite16(tcpd->scr_gper,		tc6393xb->scr + SCR_GPER);
+	iowrite8(0,				tc6393xb->scr + SCR_IRR);
+	iowrite8(0xbf,				tc6393xb->scr + SCR_IMR);
 
 	printk(KERN_INFO "Toshiba tc6393xb revision %d at 0x%08lx, irq %d\n",
 			tmio_ioread8(tc6393xb->scr + SCR_REVID),
@@ -514,7 +487,6 @@ err_setup:
 err_gpio_add:
 	if (tc6393xb->gpio.base != -1)
 		temp = gpiochip_remove(&tc6393xb->gpio);
-err_hw_init:
 	tcpd->disable(dev);
 err_clk_enable:
 	clk_disable(tc6393xb->clk);
@@ -592,15 +564,37 @@ static int tc6393xb_resume(struct platform_device *dev)
 	struct tc6393xb_platform_data *tcpd = dev->dev.platform_data;
 	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
 	int ret;
+	int i;
 
 	clk_enable(tc6393xb->clk);
 
 	ret = tcpd->resume(dev);
-
 	if (ret)
 		return ret;
 
-	return tc6393xb_hw_init(dev);
+	if (!tcpd->resume_restore)
+		return 0;
+
+	iowrite8(tc6393xb->suspend_state.fer,	tc6393xb->scr + SCR_FER);
+	iowrite16(tcpd->scr_pll2cr,		tc6393xb->scr + SCR_PLL2CR);
+	iowrite16(tc6393xb->suspend_state.ccr,	tc6393xb->scr + SCR_CCR);
+	iowrite16(SCR_MCR_RDY_OPENDRAIN | SCR_MCR_RDY_UNK | SCR_MCR_RDY_EN |
+		  SCR_MCR_INT_OPENDRAIN | SCR_MCR_INT_UNK | SCR_MCR_INT_EN |
+		  BIT(15),			tc6393xb->scr + SCR_MCR);
+	iowrite16(tcpd->scr_gper,		tc6393xb->scr + SCR_GPER);
+	iowrite8(0,				tc6393xb->scr + SCR_IRR);
+	iowrite8(0xbf,				tc6393xb->scr + SCR_IMR);
+
+	for (i = 0; i < 3; i++) {
+		iowrite8(tc6393xb->suspend_state.gpo_dsr[i],
+					tc6393xb->scr + SCR_GPO_DSR(i));
+		iowrite8(tc6393xb->suspend_state.gpo_doecr[i],
+					tc6393xb->scr + SCR_GPO_DOECR(i));
+		iowrite8(tc6393xb->suspend_state.gpi_bcr[i],
+					tc6393xb->scr + SCR_GPI_BCR(i));
+	}
+
+	return 0;
 }
 #else
 #define tc6393xb_suspend NULL
diff --git a/include/linux/mfd/tc6393xb.h b/include/linux/mfd/tc6393xb.h
index 1fa820646d9..3ce10ae0f39 100644
--- a/include/linux/mfd/tc6393xb.h
+++ b/include/linux/mfd/tc6393xb.h
@@ -33,6 +33,10 @@ struct tc6393xb_platform_data {
 	void	(*teardown)(struct platform_device *dev);
 
 	struct tmio_nand_data	*nand_data;
+
+	unsigned resume_restore : 1; /* make special actions
+					to preserve the state
+					on suspend/resume */
 };
 
 /*
-- 
GitLab


From 504f97f884bafcd14d28ab52533e7b92996c8b98 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@openedhand.com>
Date: Thu, 25 Sep 2008 00:17:00 +0200
Subject: [PATCH 1279/2224] mfd: Fix htc-egpio compile warning

resource_size_t can be a 64 bits value. Since this is just a printk, we'll
cast it to a u32.

Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/htc-egpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index 6be43172dc6..50dff6e0088 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -289,7 +289,7 @@ static int __init egpio_probe(struct platform_device *pdev)
 	ei->base_addr = ioremap_nocache(res->start, res->end - res->start);
 	if (!ei->base_addr)
 		goto fail;
-	pr_debug("EGPIO phys=%08x virt=%p\n", res->start, ei->base_addr);
+	pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
 
 	if ((pdata->bus_width != 16) && (pdata->bus_width != 32))
 		goto fail;
-- 
GitLab


From 51a55623565c6ca864f7cf19e87c2d4bde1c0c5e Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Fri, 3 Oct 2008 20:11:36 +0200
Subject: [PATCH 1280/2224] mfd: add OHCI cell to tc6393xb

Add information regarding OHCI cell of the tc6393xb

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/tc6393xb.c       | 87 ++++++++++++++++++++++++++++++++++++
 include/linux/mfd/tc6393xb.h |  1 +
 2 files changed, 88 insertions(+)

diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index c3c64aeeb12..6197db7d485 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -113,6 +113,7 @@ struct tc6393xb {
 enum {
 	TC6393XB_CELL_NAND,
 	TC6393XB_CELL_MMC,
+	TC6393XB_CELL_OHCI,
 };
 
 /*--------------------------------------------------------------------------*/
@@ -170,6 +171,78 @@ static struct resource __devinitdata tc6393xb_mmc_resources[] = {
 	},
 };
 
+const static struct resource tc6393xb_ohci_resources[] = {
+	{
+		.start	= 0x3000,
+		.end	= 0x31ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 0x0300,
+		.end	= 0x03ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 0x010000,
+		.end	= 0x017fff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 0x018000,
+		.end	= 0x01ffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_TC6393_OHCI,
+		.end	= IRQ_TC6393_OHCI,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static int tc6393xb_ohci_enable(struct platform_device *dev)
+{
+	struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+	unsigned long flags;
+	u16 ccr;
+	u8 fer;
+
+	spin_lock_irqsave(&tc6393xb->lock, flags);
+
+	ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+	ccr |= SCR_CCR_USBCK;
+	tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+	fer = tmio_ioread8(tc6393xb->scr + SCR_FER);
+	fer |= SCR_FER_USBEN;
+	tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+	spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+	return 0;
+}
+
+static int tc6393xb_ohci_disable(struct platform_device *dev)
+{
+	struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+	unsigned long flags;
+	u16 ccr;
+	u8 fer;
+
+	spin_lock_irqsave(&tc6393xb->lock, flags);
+
+	fer = tmio_ioread8(tc6393xb->scr + SCR_FER);
+	fer &= ~SCR_FER_USBEN;
+	tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+	ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+	ccr &= ~SCR_CCR_USBCK;
+	tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+	spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+	return 0;
+}
+
 static struct mfd_cell __devinitdata tc6393xb_cells[] = {
 	[TC6393XB_CELL_NAND] = {
 		.name = "tmio-nand",
@@ -182,6 +255,15 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
 		.num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
 		.resources = tc6393xb_mmc_resources,
 	},
+	[TC6393XB_CELL_OHCI] = {
+		.name = "tmio-ohci",
+		.num_resources = ARRAY_SIZE(tc6393xb_ohci_resources),
+		.resources = tc6393xb_ohci_resources,
+		.enable = tc6393xb_ohci_enable,
+		.suspend = tc6393xb_ohci_disable,
+		.resume = tc6393xb_ohci_enable,
+		.disable = tc6393xb_ohci_disable,
+	},
 };
 
 /*--------------------------------------------------------------------------*/
@@ -470,6 +552,11 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 	tc6393xb_cells[TC6393XB_CELL_MMC].data_size =
 		sizeof(tc6393xb_cells[TC6393XB_CELL_MMC]);
 
+	tc6393xb_cells[TC6393XB_CELL_OHCI].platform_data =
+		&tc6393xb_cells[TC6393XB_CELL_OHCI];
+	tc6393xb_cells[TC6393XB_CELL_OHCI].data_size =
+		sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]);
+
 
 	ret = mfd_add_devices(&dev->dev, dev->id,
 			tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
diff --git a/include/linux/mfd/tc6393xb.h b/include/linux/mfd/tc6393xb.h
index 3ce10ae0f39..4437736ebe1 100644
--- a/include/linux/mfd/tc6393xb.h
+++ b/include/linux/mfd/tc6393xb.h
@@ -44,6 +44,7 @@ struct tc6393xb_platform_data {
  */
 #define	IRQ_TC6393_NAND		0
 #define	IRQ_TC6393_MMC		1
+#define	IRQ_TC6393_OHCI		2
 
 #define	TC6393XB_NR_IRQS	8
 
-- 
GitLab


From 9e78cfe53f3c2bc1b37870697c3cde1543fefa8b Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Sat, 4 Oct 2008 00:50:36 +0200
Subject: [PATCH 1281/2224] mfd: support tmiofb cell on tc6393xb

Add support for tmiofb cell found in tc6393xb chip.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Ian Molton <spyro@f2s.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/tc6393xb.c       | 114 +++++++++++++++++++++++++++++++++++
 include/linux/mfd/tc6393xb.h |   8 +++
 2 files changed, 122 insertions(+)

diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 6197db7d485..f856e9463a9 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -114,6 +114,7 @@ enum {
 	TC6393XB_CELL_NAND,
 	TC6393XB_CELL_MMC,
 	TC6393XB_CELL_OHCI,
+	TC6393XB_CELL_FB,
 };
 
 /*--------------------------------------------------------------------------*/
@@ -199,6 +200,29 @@ const static struct resource tc6393xb_ohci_resources[] = {
 	},
 };
 
+static struct resource __devinitdata tc6393xb_fb_resources[] = {
+	{
+		.start	= 0x5000,
+		.end	= 0x51ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 0x0500,
+		.end	= 0x05ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 0x100000,
+		.end	= 0x1fffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_TC6393_FB,
+		.end	= IRQ_TC6393_FB,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
 static int tc6393xb_ohci_enable(struct platform_device *dev)
 {
 	struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
@@ -243,6 +267,81 @@ static int tc6393xb_ohci_disable(struct platform_device *dev)
 	return 0;
 }
 
+static int tc6393xb_fb_enable(struct platform_device *dev)
+{
+	struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+	unsigned long flags;
+	u16 ccr;
+
+	spin_lock_irqsave(&tc6393xb->lock, flags);
+
+	ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+	ccr &= ~SCR_CCR_MCLK_MASK;
+	ccr |= SCR_CCR_MCLK_48;
+	tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+	spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+	return 0;
+}
+
+static int tc6393xb_fb_disable(struct platform_device *dev)
+{
+	struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
+	unsigned long flags;
+	u16 ccr;
+
+	spin_lock_irqsave(&tc6393xb->lock, flags);
+
+	ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);
+	ccr &= ~SCR_CCR_MCLK_MASK;
+	ccr |= SCR_CCR_MCLK_OFF;
+	tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);
+
+	spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+	return 0;
+}
+
+int tc6393xb_lcd_set_power(struct platform_device *fb, bool on)
+{
+	struct platform_device *dev = to_platform_device(fb->dev.parent);
+	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+	u8 fer;
+	unsigned long flags;
+
+	spin_lock_irqsave(&tc6393xb->lock, flags);
+
+	fer = ioread8(tc6393xb->scr + SCR_FER);
+	if (on)
+		fer |= SCR_FER_SLCDEN;
+	else
+		fer &= ~SCR_FER_SLCDEN;
+	iowrite8(fer, tc6393xb->scr + SCR_FER);
+
+	spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+	return 0;
+}
+EXPORT_SYMBOL(tc6393xb_lcd_set_power);
+
+int tc6393xb_lcd_mode(struct platform_device *fb,
+					const struct fb_videomode *mode) {
+	struct platform_device *dev = to_platform_device(fb->dev.parent);
+	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
+	unsigned long flags;
+
+	spin_lock_irqsave(&tc6393xb->lock, flags);
+
+	iowrite16(mode->pixclock, tc6393xb->scr + SCR_PLL1CR + 0);
+	iowrite16(mode->pixclock >> 16, tc6393xb->scr + SCR_PLL1CR + 2);
+
+	spin_unlock_irqrestore(&tc6393xb->lock, flags);
+
+	return 0;
+}
+EXPORT_SYMBOL(tc6393xb_lcd_mode);
+
 static struct mfd_cell __devinitdata tc6393xb_cells[] = {
 	[TC6393XB_CELL_NAND] = {
 		.name = "tmio-nand",
@@ -264,6 +363,15 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
 		.resume = tc6393xb_ohci_enable,
 		.disable = tc6393xb_ohci_disable,
 	},
+	[TC6393XB_CELL_FB] = {
+		.name = "tmio-fb",
+		.num_resources = ARRAY_SIZE(tc6393xb_fb_resources),
+		.resources = tc6393xb_fb_resources,
+		.enable = tc6393xb_fb_enable,
+		.suspend = tc6393xb_fb_disable,
+		.resume = tc6393xb_fb_enable,
+		.disable = tc6393xb_fb_disable,
+	},
 };
 
 /*--------------------------------------------------------------------------*/
@@ -547,6 +655,7 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 		&tc6393xb_cells[TC6393XB_CELL_NAND];
 	tc6393xb_cells[TC6393XB_CELL_NAND].data_size =
 		sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]);
+
 	tc6393xb_cells[TC6393XB_CELL_MMC].platform_data =
 		&tc6393xb_cells[TC6393XB_CELL_MMC];
 	tc6393xb_cells[TC6393XB_CELL_MMC].data_size =
@@ -557,6 +666,11 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 	tc6393xb_cells[TC6393XB_CELL_OHCI].data_size =
 		sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]);
 
+	tc6393xb_cells[TC6393XB_CELL_FB].driver_data = tcpd->fb_data;
+	tc6393xb_cells[TC6393XB_CELL_FB].platform_data =
+		&tc6393xb_cells[TC6393XB_CELL_FB];
+	tc6393xb_cells[TC6393XB_CELL_FB].data_size =
+		sizeof(tc6393xb_cells[TC6393XB_CELL_FB]);
 
 	ret = mfd_add_devices(&dev->dev, dev->id,
 			tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
diff --git a/include/linux/mfd/tc6393xb.h b/include/linux/mfd/tc6393xb.h
index 4437736ebe1..626e448205c 100644
--- a/include/linux/mfd/tc6393xb.h
+++ b/include/linux/mfd/tc6393xb.h
@@ -17,6 +17,8 @@
 #ifndef MFD_TC6393XB_H
 #define MFD_TC6393XB_H
 
+#include <linux/fb.h>
+
 /* Also one should provide the CK3P6MI clock */
 struct tc6393xb_platform_data {
 	u16	scr_pll2cr;	/* PLL2 Control */
@@ -33,18 +35,24 @@ struct tc6393xb_platform_data {
 	void	(*teardown)(struct platform_device *dev);
 
 	struct tmio_nand_data	*nand_data;
+	struct tmio_fb_data	*fb_data;
 
 	unsigned resume_restore : 1; /* make special actions
 					to preserve the state
 					on suspend/resume */
 };
 
+extern int tc6393xb_lcd_mode(struct platform_device *fb,
+			     const struct fb_videomode *mode);
+extern int tc6393xb_lcd_set_power(struct platform_device *fb, bool on);
+
 /*
  * Relative to irq_base
  */
 #define	IRQ_TC6393_NAND		0
 #define	IRQ_TC6393_MMC		1
 #define	IRQ_TC6393_OHCI		2
+#define	IRQ_TC6393_FB		4
 
 #define	TC6393XB_NR_IRQS	8
 
-- 
GitLab


From a603a7fa8717fb778bba91b5a879babf333dc6a3 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Wed, 15 Oct 2008 12:15:39 +0200
Subject: [PATCH 1282/2224] mfd: TWL4030 core driver

This patch adds the core of the TWL4030 driver, which supports
chips including the TPS65950.  These chips are multi-function; see

  http://focus.ti.com/docs/prod/folders/print/tps65950.html

Public specs are in the works.  For now, the block diagram on
the second page of the datasheet is fairly informative.

There are some known issues with this core code.  Most notably,
the IRQ dispatching needs simplification (to use more of genirq),
generalization (integrating support for secondary IRQ dispatch
as well as primary, and removing the build dependency on OMAP),
and then probably updating to leverage threaded IRQ support
(expected to arrive in mainline "soon").

Once the core is in mainline, drivers for other parts of this
chip can follow its lead and start swimming upstream too.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/Kconfig         |   14 +
 drivers/mfd/Makefile        |    2 +
 drivers/mfd/twl4030-core.c  | 1257 +++++++++++++++++++++++++++++++++++
 include/linux/i2c/twl4030.h |  339 ++++++++++
 4 files changed, 1612 insertions(+)
 create mode 100644 drivers/mfd/twl4030-core.c
 create mode 100644 include/linux/i2c/twl4030.h

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 5eff8ad834d..cccda99328f 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -59,6 +59,20 @@ config UCB1400_CORE
 	  To compile this driver as a module, choose M here: the
 	  module will be called ucb1400_core.
 
+config TWL4030_CORE
+	bool "Texas Instruments TWL4030/TPS659x0 Support"
+	depends on I2C=y && GENERIC_HARDIRQS && (ARCH_OMAP2 || ARCH_OMAP3)
+	help
+	  Say yes here if you have TWL4030 family chip on your board.
+	  This core driver provides register access and IRQ handling
+	  facilities, and registers devices for the various functions
+	  so that function-specific drivers can bind to them.
+
+	  These multi-function chips are found on many OMAP2 and OMAP3
+	  boards, providing power management, RTC, GPIO, keypad, a
+	  high speed USB OTG transceiver, an audio codec (on most
+	  versions) and many other features.
+
 config MFD_TMIO
 	bool
 	default n
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 759b1fe1c89..68e237b830a 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -17,6 +17,8 @@ wm8350-objs			:= wm8350-core.o wm8350-regmap.o wm8350-gpio.o
 obj-$(CONFIG_MFD_WM8350)	+= wm8350.o
 obj-$(CONFIG_MFD_WM8350_I2C)	+= wm8350-i2c.o
 
+obj-$(CONFIG_TWL4030_CORE)	+= twl4030-core.o
+
 obj-$(CONFIG_MFD_CORE)		+= mfd-core.o
 
 obj-$(CONFIG_MCP)		+= mcp-core.o
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
new file mode 100644
index 00000000000..4af1624987c
--- /dev/null
+++ b/drivers/mfd/twl4030-core.c
@@ -0,0 +1,1257 @@
+/*
+ * twl4030_core.c - driver for TWL4030/TPS659x0 PM and audio CODEC devices
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * Modifications to defer interrupt handling to a kernel thread:
+ * Copyright (C) 2006 MontaVista Software, Inc.
+ *
+ * Based on tlv320aic23.c:
+ * Copyright (c) by Kai Svahn <kai.svahn@nokia.com>
+ *
+ * Code cleanup and modifications to IRQ handler.
+ * by syed khasim <x0khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/kernel_stat.h>
+#include <linux/init.h>
+#include <linux/mutex.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/random.h>
+#include <linux/kthread.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c/twl4030.h>
+
+
+/*
+ * The TWL4030 "Triton 2" is one of a family of a multi-function "Power
+ * Management and System Companion Device" chips originally designed for
+ * use in OMAP2 and OMAP 3 based systems.  Its control interfaces use I2C,
+ * often at around 3 Mbit/sec, including for interrupt handling.
+ *
+ * This driver core provides genirq support for the interrupts emitted,
+ * by the various modules, and exports register access primitives.
+ *
+ * FIXME this driver currently requires use of the first interrupt line
+ * (and associated registers).
+ */
+
+#define DRIVER_NAME			"twl4030"
+
+#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
+	defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
+#define twl_has_bci()		true
+#else
+#define twl_has_bci()		false
+#endif
+
+#if defined(CONFIG_KEYBOARD_TWL4030) || defined(CONFIG_KEYBOARD_TWL4030_MODULE)
+#define twl_has_keypad()	true
+#else
+#define twl_has_keypad()	false
+#endif
+
+#if defined(CONFIG_GPIO_TWL4030) || defined(CONFIG_GPIO_TWL4030_MODULE)
+#define twl_has_gpio()	true
+#else
+#define twl_has_gpio()	false
+#endif
+
+#if defined(CONFIG_TWL4030_MADC) || defined(CONFIG_TWL4030_MADC_MODULE)
+#define twl_has_madc()	true
+#else
+#define twl_has_madc()	false
+#endif
+
+#if defined(CONFIG_RTC_DRV_TWL4030) || defined(CONFIG_RTC_DRV_TWL4030_MODULE)
+#define twl_has_rtc()	true
+#else
+#define twl_has_rtc()	false
+#endif
+
+#if defined(CONFIG_TWL4030_USB) || defined(CONFIG_TWL4030_USB_MODULE)
+#define twl_has_usb()	true
+#else
+#define twl_has_usb()	false
+#endif
+
+static inline void activate_irq(int irq)
+{
+#ifdef CONFIG_ARM
+	/* ARM requires an extra step to clear IRQ_NOREQUEST, which it
+	 * sets on behalf of every irq_chip.  Also sets IRQ_NOPROBE.
+	 */
+	set_irq_flags(irq, IRQF_VALID);
+#else
+	/* same effect on other architectures */
+	set_irq_noprobe(irq);
+#endif
+}
+
+/* Primary Interrupt Handler on TWL4030 Registers */
+
+/* Register Definitions */
+
+#define REG_PIH_ISR_P1			(0x1)
+#define REG_PIH_ISR_P2			(0x2)
+#define REG_PIH_SIR			(0x3)
+
+/* Triton Core internal information (BEGIN) */
+
+/* Last - for index max*/
+#define TWL4030_MODULE_LAST		TWL4030_MODULE_SECURED_REG
+
+#define TWL4030_NUM_SLAVES		4
+
+
+/* Base Address defns for twl4030_map[] */
+
+/* subchip/slave 0 - USB ID */
+#define TWL4030_BASEADD_USB		0x0000
+
+/* subchip/slave 1 - AUD ID */
+#define TWL4030_BASEADD_AUDIO_VOICE	0x0000
+#define TWL4030_BASEADD_GPIO		0x0098
+#define TWL4030_BASEADD_INTBR		0x0085
+#define TWL4030_BASEADD_PIH		0x0080
+#define TWL4030_BASEADD_TEST		0x004C
+
+/* subchip/slave 2 - AUX ID */
+#define TWL4030_BASEADD_INTERRUPTS	0x00B9
+#define TWL4030_BASEADD_LED		0x00EE
+#define TWL4030_BASEADD_MADC		0x0000
+#define TWL4030_BASEADD_MAIN_CHARGE	0x0074
+#define TWL4030_BASEADD_PRECHARGE	0x00AA
+#define TWL4030_BASEADD_PWM0		0x00F8
+#define TWL4030_BASEADD_PWM1		0x00FB
+#define TWL4030_BASEADD_PWMA		0x00EF
+#define TWL4030_BASEADD_PWMB		0x00F1
+#define TWL4030_BASEADD_KEYPAD		0x00D2
+
+/* subchip/slave 3 - POWER ID */
+#define TWL4030_BASEADD_BACKUP		0x0014
+#define TWL4030_BASEADD_INT		0x002E
+#define TWL4030_BASEADD_PM_MASTER	0x0036
+#define TWL4030_BASEADD_PM_RECEIVER	0x005B
+#define TWL4030_BASEADD_RTC		0x001C
+#define TWL4030_BASEADD_SECURED_REG	0x0000
+
+/* Triton Core internal information (END) */
+
+
+/* Few power values */
+#define R_CFG_BOOT			0x05
+#define R_PROTECT_KEY			0x0E
+
+/* access control values for R_PROTECT_KEY */
+#define KEY_UNLOCK1			0xce
+#define KEY_UNLOCK2			0xec
+#define KEY_LOCK			0x00
+
+/* some fields in R_CFG_BOOT */
+#define HFCLK_FREQ_19p2_MHZ		(1 << 0)
+#define HFCLK_FREQ_26_MHZ		(2 << 0)
+#define HFCLK_FREQ_38p4_MHZ		(3 << 0)
+#define HIGH_PERF_SQ			(1 << 3)
+
+
+/*----------------------------------------------------------------------*/
+
+/**
+ * struct twl4030_mod_iregs - TWL module IMR/ISR regs to mask/clear at init
+ * @mod_no: TWL4030 module number (e.g., TWL4030_MODULE_GPIO)
+ * @sih_ctrl: address of module SIH_CTRL register
+ * @reg_cnt: number of IMR/ISR regs
+ * @imrs: pointer to array of TWL module interrupt mask register indices
+ * @isrs: pointer to array of TWL module interrupt status register indices
+ *
+ * Ties together TWL4030 modules and lists of IMR/ISR registers to mask/clear
+ * during twl_init_irq().
+ */
+struct twl4030_mod_iregs {
+	const u8 mod_no;
+	const u8 sih_ctrl;
+	const u8 reg_cnt;
+	const u8 *imrs;
+	const u8 *isrs;
+};
+
+/* TWL4030 INT module interrupt mask registers */
+static const u8 __initconst twl4030_int_imr_regs[] = {
+	TWL4030_INT_PWR_IMR1,
+	TWL4030_INT_PWR_IMR2,
+};
+
+/* TWL4030 INT module interrupt status registers */
+static const u8 __initconst twl4030_int_isr_regs[] = {
+	TWL4030_INT_PWR_ISR1,
+	TWL4030_INT_PWR_ISR2,
+};
+
+/* TWL4030 INTERRUPTS module interrupt mask registers */
+static const u8 __initconst twl4030_interrupts_imr_regs[] = {
+	TWL4030_INTERRUPTS_BCIIMR1A,
+	TWL4030_INTERRUPTS_BCIIMR1B,
+	TWL4030_INTERRUPTS_BCIIMR2A,
+	TWL4030_INTERRUPTS_BCIIMR2B,
+};
+
+/* TWL4030 INTERRUPTS module interrupt status registers */
+static const u8 __initconst twl4030_interrupts_isr_regs[] = {
+	TWL4030_INTERRUPTS_BCIISR1A,
+	TWL4030_INTERRUPTS_BCIISR1B,
+	TWL4030_INTERRUPTS_BCIISR2A,
+	TWL4030_INTERRUPTS_BCIISR2B,
+};
+
+/* TWL4030 MADC module interrupt mask registers */
+static const u8 __initconst twl4030_madc_imr_regs[] = {
+	TWL4030_MADC_IMR1,
+	TWL4030_MADC_IMR2,
+};
+
+/* TWL4030 MADC module interrupt status registers */
+static const u8 __initconst twl4030_madc_isr_regs[] = {
+	TWL4030_MADC_ISR1,
+	TWL4030_MADC_ISR2,
+};
+
+/* TWL4030 keypad module interrupt mask registers */
+static const u8 __initconst twl4030_keypad_imr_regs[] = {
+	TWL4030_KEYPAD_KEYP_IMR1,
+	TWL4030_KEYPAD_KEYP_IMR2,
+};
+
+/* TWL4030 keypad module interrupt status registers */
+static const u8 __initconst twl4030_keypad_isr_regs[] = {
+	TWL4030_KEYPAD_KEYP_ISR1,
+	TWL4030_KEYPAD_KEYP_ISR2,
+};
+
+/* TWL4030 GPIO module interrupt mask registers */
+static const u8 __initconst twl4030_gpio_imr_regs[] = {
+	REG_GPIO_IMR1A,
+	REG_GPIO_IMR1B,
+	REG_GPIO_IMR2A,
+	REG_GPIO_IMR2B,
+	REG_GPIO_IMR3A,
+	REG_GPIO_IMR3B,
+};
+
+/* TWL4030 GPIO module interrupt status registers */
+static const u8 __initconst twl4030_gpio_isr_regs[] = {
+	REG_GPIO_ISR1A,
+	REG_GPIO_ISR1B,
+	REG_GPIO_ISR2A,
+	REG_GPIO_ISR2B,
+	REG_GPIO_ISR3A,
+	REG_GPIO_ISR3B,
+};
+
+/* TWL4030 modules that have IMR/ISR registers that must be masked/cleared */
+static const struct twl4030_mod_iregs __initconst twl4030_mod_regs[] = {
+	{
+		.mod_no	  = TWL4030_MODULE_INT,
+		.sih_ctrl = TWL4030_INT_PWR_SIH_CTRL,
+		.reg_cnt  = ARRAY_SIZE(twl4030_int_imr_regs),
+		.imrs	  = twl4030_int_imr_regs,
+		.isrs	  = twl4030_int_isr_regs,
+	},
+	{
+		.mod_no	  = TWL4030_MODULE_INTERRUPTS,
+		.sih_ctrl = TWL4030_INTERRUPTS_BCISIHCTRL,
+		.reg_cnt  = ARRAY_SIZE(twl4030_interrupts_imr_regs),
+		.imrs	  = twl4030_interrupts_imr_regs,
+		.isrs	  = twl4030_interrupts_isr_regs,
+	},
+	{
+		.mod_no	  = TWL4030_MODULE_MADC,
+		.sih_ctrl = TWL4030_MADC_SIH_CTRL,
+		.reg_cnt  = ARRAY_SIZE(twl4030_madc_imr_regs),
+		.imrs	  = twl4030_madc_imr_regs,
+		.isrs	  = twl4030_madc_isr_regs,
+	},
+	{
+		.mod_no	  = TWL4030_MODULE_KEYPAD,
+		.sih_ctrl = TWL4030_KEYPAD_KEYP_SIH_CTRL,
+		.reg_cnt  = ARRAY_SIZE(twl4030_keypad_imr_regs),
+		.imrs	  = twl4030_keypad_imr_regs,
+		.isrs	  = twl4030_keypad_isr_regs,
+	},
+	{
+		.mod_no	  = TWL4030_MODULE_GPIO,
+		.sih_ctrl = REG_GPIO_SIH_CTRL,
+		.reg_cnt  = ARRAY_SIZE(twl4030_gpio_imr_regs),
+		.imrs	  = twl4030_gpio_imr_regs,
+		.isrs	  = twl4030_gpio_isr_regs,
+	},
+};
+
+/*----------------------------------------------------------------*/
+
+/* is driver active, bound to a chip? */
+static bool inuse;
+
+/* Structure for each TWL4030 Slave */
+struct twl4030_client {
+	struct i2c_client *client;
+	u8 address;
+
+	/* max numb of i2c_msg required is for read =2 */
+	struct i2c_msg xfer_msg[2];
+
+	/* To lock access to xfer_msg */
+	struct mutex xfer_lock;
+};
+
+static struct twl4030_client twl4030_modules[TWL4030_NUM_SLAVES];
+
+
+/* mapping the module id to slave id and base address */
+struct twl4030mapping {
+	unsigned char sid;	/* Slave ID */
+	unsigned char base;	/* base address */
+};
+
+static struct twl4030mapping twl4030_map[TWL4030_MODULE_LAST + 1] = {
+	/*
+	 * NOTE:  don't change this table without updating the
+	 * <linux/i2c/twl4030.h> defines for TWL4030_MODULE_*
+	 * so they continue to match the order in this table.
+	 */
+
+	{ 0, TWL4030_BASEADD_USB },
+
+	{ 1, TWL4030_BASEADD_AUDIO_VOICE },
+	{ 1, TWL4030_BASEADD_GPIO },
+	{ 1, TWL4030_BASEADD_INTBR },
+	{ 1, TWL4030_BASEADD_PIH },
+	{ 1, TWL4030_BASEADD_TEST },
+
+	{ 2, TWL4030_BASEADD_KEYPAD },
+	{ 2, TWL4030_BASEADD_MADC },
+	{ 2, TWL4030_BASEADD_INTERRUPTS },
+	{ 2, TWL4030_BASEADD_LED },
+	{ 2, TWL4030_BASEADD_MAIN_CHARGE },
+	{ 2, TWL4030_BASEADD_PRECHARGE },
+	{ 2, TWL4030_BASEADD_PWM0 },
+	{ 2, TWL4030_BASEADD_PWM1 },
+	{ 2, TWL4030_BASEADD_PWMA },
+	{ 2, TWL4030_BASEADD_PWMB },
+
+	{ 3, TWL4030_BASEADD_BACKUP },
+	{ 3, TWL4030_BASEADD_INT },
+	{ 3, TWL4030_BASEADD_PM_MASTER },
+	{ 3, TWL4030_BASEADD_PM_RECEIVER },
+	{ 3, TWL4030_BASEADD_RTC },
+	{ 3, TWL4030_BASEADD_SECURED_REG },
+};
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * TWL4030 doesn't have PIH mask, hence dummy function for mask
+ * and unmask of the (eight) interrupts reported at that level ...
+ * masking is only available from SIH (secondary) modules.
+ */
+
+static void twl4030_i2c_ackirq(unsigned int irq)
+{
+}
+
+static void twl4030_i2c_disableint(unsigned int irq)
+{
+}
+
+static void twl4030_i2c_enableint(unsigned int irq)
+{
+}
+
+static struct irq_chip twl4030_irq_chip = {
+	.name	= "twl4030",
+	.ack	= twl4030_i2c_ackirq,
+	.mask	= twl4030_i2c_disableint,
+	.unmask	= twl4030_i2c_enableint,
+};
+
+/*----------------------------------------------------------------------*/
+
+/* Exported Functions */
+
+/**
+ * twl4030_i2c_write - Writes a n bit register in TWL4030
+ * @mod_no: module number
+ * @value: an array of num_bytes+1 containing data to write
+ * @reg: register address (just offset will do)
+ * @num_bytes: number of bytes to transfer
+ *
+ * IMPORTANT: for 'value' parameter: Allocate value num_bytes+1 and
+ * valid data starts at Offset 1.
+ *
+ * Returns the result of operation - 0 is success
+ */
+int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)
+{
+	int ret;
+	int sid;
+	struct twl4030_client *twl;
+	struct i2c_msg *msg;
+
+	if (unlikely(mod_no > TWL4030_MODULE_LAST)) {
+		pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
+		return -EPERM;
+	}
+	sid = twl4030_map[mod_no].sid;
+	twl = &twl4030_modules[sid];
+
+	if (unlikely(!inuse)) {
+		pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+		return -EPERM;
+	}
+	mutex_lock(&twl->xfer_lock);
+	/*
+	 * [MSG1]: fill the register address data
+	 * fill the data Tx buffer
+	 */
+	msg = &twl->xfer_msg[0];
+	msg->addr = twl->address;
+	msg->len = num_bytes + 1;
+	msg->flags = 0;
+	msg->buf = value;
+	/* over write the first byte of buffer with the register address */
+	*value = twl4030_map[mod_no].base + reg;
+	ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 1);
+	mutex_unlock(&twl->xfer_lock);
+
+	/* i2cTransfer returns num messages.translate it pls.. */
+	if (ret >= 0)
+		ret = 0;
+	return ret;
+}
+EXPORT_SYMBOL(twl4030_i2c_write);
+
+/**
+ * twl4030_i2c_read - Reads a n bit register in TWL4030
+ * @mod_no: module number
+ * @value: an array of num_bytes containing data to be read
+ * @reg: register address (just offset will do)
+ * @num_bytes: number of bytes to transfer
+ *
+ * Returns result of operation - num_bytes is success else failure.
+ */
+int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)
+{
+	int ret;
+	u8 val;
+	int sid;
+	struct twl4030_client *twl;
+	struct i2c_msg *msg;
+
+	if (unlikely(mod_no > TWL4030_MODULE_LAST)) {
+		pr_err("%s: invalid module number %d\n", DRIVER_NAME, mod_no);
+		return -EPERM;
+	}
+	sid = twl4030_map[mod_no].sid;
+	twl = &twl4030_modules[sid];
+
+	if (unlikely(!inuse)) {
+		pr_err("%s: client %d is not initialized\n", DRIVER_NAME, sid);
+		return -EPERM;
+	}
+	mutex_lock(&twl->xfer_lock);
+	/* [MSG1] fill the register address data */
+	msg = &twl->xfer_msg[0];
+	msg->addr = twl->address;
+	msg->len = 1;
+	msg->flags = 0;	/* Read the register value */
+	val = twl4030_map[mod_no].base + reg;
+	msg->buf = &val;
+	/* [MSG2] fill the data rx buffer */
+	msg = &twl->xfer_msg[1];
+	msg->addr = twl->address;
+	msg->flags = I2C_M_RD;	/* Read the register value */
+	msg->len = num_bytes;	/* only n bytes */
+	msg->buf = value;
+	ret = i2c_transfer(twl->client->adapter, twl->xfer_msg, 2);
+	mutex_unlock(&twl->xfer_lock);
+
+	/* i2cTransfer returns num messages.translate it pls.. */
+	if (ret >= 0)
+		ret = 0;
+	return ret;
+}
+EXPORT_SYMBOL(twl4030_i2c_read);
+
+/**
+ * twl4030_i2c_write_u8 - Writes a 8 bit register in TWL4030
+ * @mod_no: module number
+ * @value: the value to be written 8 bit
+ * @reg: register address (just offset will do)
+ *
+ * Returns result of operation - 0 is success
+ */
+int twl4030_i2c_write_u8(u8 mod_no, u8 value, u8 reg)
+{
+
+	/* 2 bytes offset 1 contains the data offset 0 is used by i2c_write */
+	u8 temp_buffer[2] = { 0 };
+	/* offset 1 contains the data */
+	temp_buffer[1] = value;
+	return twl4030_i2c_write(mod_no, temp_buffer, reg, 1);
+}
+EXPORT_SYMBOL(twl4030_i2c_write_u8);
+
+/**
+ * twl4030_i2c_read_u8 - Reads a 8 bit register from TWL4030
+ * @mod_no: module number
+ * @value: the value read 8 bit
+ * @reg: register address (just offset will do)
+ *
+ * Returns result of operation - 0 is success
+ */
+int twl4030_i2c_read_u8(u8 mod_no, u8 *value, u8 reg)
+{
+	return twl4030_i2c_read(mod_no, value, reg, 1);
+}
+EXPORT_SYMBOL(twl4030_i2c_read_u8);
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * do_twl4030_module_irq() is the desc->handle method for each of the twl4030
+ * module interrupts that doesn't chain to another irq_chip (GPIO, power, etc).
+ * It executes in kernel thread context.  On entry, cpu interrupts are disabled.
+ */
+static void do_twl4030_module_irq(unsigned int irq, irq_desc_t *desc)
+{
+	struct irqaction *action;
+	const unsigned int cpu = smp_processor_id();
+
+	/*
+	 * Earlier this was desc->triggered = 1;
+	 */
+	desc->status |= IRQ_LEVEL;
+
+	/*
+	 * The desc->handle method would normally call the desc->chip->ack
+	 * method here, but we won't bother since our ack method is NULL.
+	 */
+
+	if (!desc->depth) {
+		kstat_cpu(cpu).irqs[irq]++;
+
+		action = desc->action;
+		if (action) {
+			int ret;
+			int status = 0;
+			int retval = 0;
+
+			local_irq_enable();
+
+			do {
+				/* Call the ISR with cpu interrupts enabled */
+				ret = action->handler(irq, action->dev_id);
+				if (ret == IRQ_HANDLED)
+					status |= action->flags;
+				retval |= ret;
+				action = action->next;
+			} while (action);
+
+			if (status & IRQF_SAMPLE_RANDOM)
+				add_interrupt_randomness(irq);
+
+			local_irq_disable();
+
+			if (retval != IRQ_HANDLED)
+				printk(KERN_ERR "ISR for TWL4030 module"
+					" irq %d can't handle interrupt\n",
+					irq);
+
+			/*
+			 * Here is where we should call the unmask method, but
+			 * again we won't bother since it is NULL.
+			 */
+		} else
+			printk(KERN_CRIT "TWL4030 module irq %d has no ISR"
+					" but can't be masked!\n", irq);
+	} else
+		printk(KERN_CRIT "TWL4030 module irq %d is disabled but can't"
+				" be masked!\n", irq);
+}
+
+static unsigned twl4030_irq_base;
+
+static struct completion irq_event;
+
+/*
+ * This thread processes interrupts reported by the Primary Interrupt Handler.
+ */
+static int twl4030_irq_thread(void *data)
+{
+	long irq = (long)data;
+	irq_desc_t *desc = irq_desc + irq;
+	static unsigned i2c_errors;
+	const static unsigned max_i2c_errors = 100;
+
+	daemonize("twl4030-irq");
+	current->flags |= PF_NOFREEZE;
+
+	while (!kthread_should_stop()) {
+		int ret;
+		int module_irq;
+		u8 pih_isr;
+
+		/* Wait for IRQ, then read PIH irq status (also blocking) */
+		wait_for_completion_interruptible(&irq_event);
+
+		ret = twl4030_i2c_read_u8(TWL4030_MODULE_PIH, &pih_isr,
+					  REG_PIH_ISR_P1);
+		if (ret) {
+			pr_warning("%s: I2C error %d reading PIH ISR\n",
+					DRIVER_NAME, ret);
+			if (++i2c_errors >= max_i2c_errors) {
+				printk(KERN_ERR "Maximum I2C error count"
+						" exceeded.  Terminating %s.\n",
+						__func__);
+				break;
+			}
+			complete(&irq_event);
+			continue;
+		}
+
+		/* these handlers deal with the relevant SIH irq status */
+		local_irq_disable();
+		for (module_irq = twl4030_irq_base;
+				pih_isr;
+				pih_isr >>= 1, module_irq++) {
+			if (pih_isr & 0x1) {
+				irq_desc_t *d = irq_desc + module_irq;
+
+				d->handle_irq(module_irq, d);
+			}
+		}
+		local_irq_enable();
+
+		desc->chip->unmask(irq);
+	}
+
+	return 0;
+}
+
+/*
+ * do_twl4030_irq() is the desc->handle method for the twl4030 interrupt.
+ * This is a chained interrupt, so there is no desc->action method for it.
+ * Now we need to query the interrupt controller in the twl4030 to determine
+ * which module is generating the interrupt request.  However, we can't do i2c
+ * transactions in interrupt context, so we must defer that work to a kernel
+ * thread.  All we do here is acknowledge and mask the interrupt and wakeup
+ * the kernel thread.
+ */
+static void do_twl4030_irq(unsigned int irq, irq_desc_t *desc)
+{
+	const unsigned int cpu = smp_processor_id();
+
+	/*
+	 * Earlier this was desc->triggered = 1;
+	 */
+	desc->status |= IRQ_LEVEL;
+
+	/*
+	 * Acknowledge, clear _AND_ disable the interrupt.
+	 */
+	desc->chip->ack(irq);
+
+	if (!desc->depth) {
+		kstat_cpu(cpu).irqs[irq]++;
+
+		complete(&irq_event);
+	}
+}
+
+static struct task_struct * __init start_twl4030_irq_thread(long irq)
+{
+	struct task_struct *thread;
+
+	init_completion(&irq_event);
+	thread = kthread_run(twl4030_irq_thread, (void *)irq,
+			     "twl4030 irq %ld", irq);
+	if (!thread)
+		pr_err("%s: could not create twl4030 irq %ld thread!\n",
+		       DRIVER_NAME, irq);
+
+	return thread;
+}
+
+/*----------------------------------------------------------------------*/
+
+static int add_children(struct twl4030_platform_data *pdata)
+{
+	struct platform_device	*pdev = NULL;
+	struct twl4030_client	*twl = NULL;
+	int			status = 0;
+
+	if (twl_has_bci() && pdata->bci) {
+		twl = &twl4030_modules[3];
+
+		pdev = platform_device_alloc("twl4030_bci", -1);
+		if (!pdev) {
+			pr_debug("%s: can't alloc bci dev\n", DRIVER_NAME);
+			status = -ENOMEM;
+			goto err;
+		}
+
+		if (status == 0) {
+			pdev->dev.parent = &twl->client->dev;
+			status = platform_device_add_data(pdev, pdata->bci,
+					sizeof(*pdata->bci));
+			if (status < 0) {
+				dev_dbg(&twl->client->dev,
+					"can't add bci data, %d\n",
+					status);
+				goto err;
+			}
+		}
+
+		if (status == 0) {
+			struct resource r = {
+				.start = TWL4030_PWRIRQ_CHG_PRES,
+				.flags = IORESOURCE_IRQ,
+			};
+
+			status = platform_device_add_resources(pdev, &r, 1);
+		}
+
+		if (status == 0)
+			status = platform_device_add(pdev);
+
+		if (status < 0) {
+			platform_device_put(pdev);
+			dev_dbg(&twl->client->dev,
+					"can't create bci dev, %d\n",
+					status);
+			goto err;
+		}
+	}
+
+	if (twl_has_gpio() && pdata->gpio) {
+		twl = &twl4030_modules[1];
+
+		pdev = platform_device_alloc("twl4030_gpio", -1);
+		if (!pdev) {
+			pr_debug("%s: can't alloc gpio dev\n", DRIVER_NAME);
+			status = -ENOMEM;
+			goto err;
+		}
+
+		/* more driver model init */
+		if (status == 0) {
+			pdev->dev.parent = &twl->client->dev;
+			/* device_init_wakeup(&pdev->dev, 1); */
+
+			status = platform_device_add_data(pdev, pdata->gpio,
+					sizeof(*pdata->gpio));
+			if (status < 0) {
+				dev_dbg(&twl->client->dev,
+					"can't add gpio data, %d\n",
+					status);
+				goto err;
+			}
+		}
+
+		/* GPIO module IRQ */
+		if (status == 0) {
+			struct resource	r = {
+				.start = pdata->irq_base + 0,
+				.flags = IORESOURCE_IRQ,
+			};
+
+			status = platform_device_add_resources(pdev, &r, 1);
+		}
+
+		if (status == 0)
+			status = platform_device_add(pdev);
+
+		if (status < 0) {
+			platform_device_put(pdev);
+			dev_dbg(&twl->client->dev,
+					"can't create gpio dev, %d\n",
+					status);
+			goto err;
+		}
+	}
+
+	if (twl_has_keypad() && pdata->keypad) {
+		pdev = platform_device_alloc("twl4030_keypad", -1);
+		if (pdev) {
+			twl = &twl4030_modules[2];
+			pdev->dev.parent = &twl->client->dev;
+			device_init_wakeup(&pdev->dev, 1);
+			status = platform_device_add_data(pdev, pdata->keypad,
+					sizeof(*pdata->keypad));
+			if (status < 0) {
+				dev_dbg(&twl->client->dev,
+					"can't add keypad data, %d\n",
+					status);
+				platform_device_put(pdev);
+				goto err;
+			}
+			status = platform_device_add(pdev);
+			if (status < 0) {
+				platform_device_put(pdev);
+				dev_dbg(&twl->client->dev,
+						"can't create keypad dev, %d\n",
+						status);
+				goto err;
+			}
+		} else {
+			pr_debug("%s: can't alloc keypad dev\n", DRIVER_NAME);
+			status = -ENOMEM;
+			goto err;
+		}
+	}
+
+	if (twl_has_madc() && pdata->madc) {
+		pdev = platform_device_alloc("twl4030_madc", -1);
+		if (pdev) {
+			twl = &twl4030_modules[2];
+			pdev->dev.parent = &twl->client->dev;
+			device_init_wakeup(&pdev->dev, 1);
+			status = platform_device_add_data(pdev, pdata->madc,
+					sizeof(*pdata->madc));
+			if (status < 0) {
+				platform_device_put(pdev);
+				dev_dbg(&twl->client->dev,
+					"can't add madc data, %d\n",
+					status);
+				goto err;
+			}
+			status = platform_device_add(pdev);
+			if (status < 0) {
+				platform_device_put(pdev);
+				dev_dbg(&twl->client->dev,
+						"can't create madc dev, %d\n",
+						status);
+				goto err;
+			}
+		} else {
+			pr_debug("%s: can't alloc madc dev\n", DRIVER_NAME);
+			status = -ENOMEM;
+			goto err;
+		}
+	}
+
+	if (twl_has_rtc()) {
+		twl = &twl4030_modules[3];
+
+		pdev = platform_device_alloc("twl4030_rtc", -1);
+		if (!pdev) {
+			pr_debug("%s: can't alloc rtc dev\n", DRIVER_NAME);
+			status = -ENOMEM;
+		} else {
+			pdev->dev.parent = &twl->client->dev;
+			device_init_wakeup(&pdev->dev, 1);
+		}
+
+		/*
+		 * REVISIT platform_data here currently might use of
+		 * "msecure" line ... but for now we just expect board
+		 * setup to tell the chip "we are secure" at all times.
+		 * Eventually, Linux might become more aware of such
+		 * HW security concerns, and "least privilege".
+		 */
+
+		/* RTC module IRQ */
+		if (status == 0) {
+			struct resource	r = {
+				/* REVISIT don't hard-wire this stuff */
+				.start = TWL4030_PWRIRQ_RTC,
+				.flags = IORESOURCE_IRQ,
+			};
+
+			status = platform_device_add_resources(pdev, &r, 1);
+		}
+
+		if (status == 0)
+			status = platform_device_add(pdev);
+
+		if (status < 0) {
+			platform_device_put(pdev);
+			dev_dbg(&twl->client->dev,
+					"can't create rtc dev, %d\n",
+					status);
+			goto err;
+		}
+	}
+
+	if (twl_has_usb() && pdata->usb) {
+		twl = &twl4030_modules[0];
+
+		pdev = platform_device_alloc("twl4030_usb", -1);
+		if (!pdev) {
+			pr_debug("%s: can't alloc usb dev\n", DRIVER_NAME);
+			status = -ENOMEM;
+			goto err;
+		}
+
+		if (status == 0) {
+			pdev->dev.parent = &twl->client->dev;
+			device_init_wakeup(&pdev->dev, 1);
+			status = platform_device_add_data(pdev, pdata->usb,
+					sizeof(*pdata->usb));
+			if (status < 0) {
+				platform_device_put(pdev);
+				dev_dbg(&twl->client->dev,
+					"can't add usb data, %d\n",
+					status);
+				goto err;
+			}
+		}
+
+		if (status == 0) {
+			struct resource r = {
+				.start = TWL4030_PWRIRQ_USB_PRES,
+				.flags = IORESOURCE_IRQ,
+			};
+
+			status = platform_device_add_resources(pdev, &r, 1);
+		}
+
+		if (status == 0)
+			status = platform_device_add(pdev);
+
+		if (status < 0) {
+			platform_device_put(pdev);
+			dev_dbg(&twl->client->dev,
+					"can't create usb dev, %d\n",
+					status);
+		}
+	}
+
+err:
+	if (status)
+		pr_err("failed to add twl4030's children (status %d)\n", status);
+	return status;
+}
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * These three functions initialize the on-chip clock framework,
+ * letting it generate the right frequencies for USB, MADC, and
+ * other purposes.
+ */
+static inline int __init protect_pm_master(void)
+{
+	int e = 0;
+
+	e = twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_LOCK,
+			R_PROTECT_KEY);
+	return e;
+}
+
+static inline int __init unprotect_pm_master(void)
+{
+	int e = 0;
+
+	e |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_UNLOCK1,
+			R_PROTECT_KEY);
+	e |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, KEY_UNLOCK2,
+			R_PROTECT_KEY);
+	return e;
+}
+
+static void __init clocks_init(void)
+{
+	int e = 0;
+	struct clk *osc;
+	u32 rate;
+	u8 ctrl = HFCLK_FREQ_26_MHZ;
+
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+	if (cpu_is_omap2430())
+		osc = clk_get(NULL, "osc_ck");
+	else
+		osc = clk_get(NULL, "osc_sys_ck");
+#else
+	/* REVISIT for non-OMAP systems, pass the clock rate from
+	 * board init code, using platform_data.
+	 */
+	osc = ERR_PTR(-EIO);
+#endif
+	if (IS_ERR(osc)) {
+		printk(KERN_WARNING "Skipping twl4030 internal clock init and "
+				"using bootloader value (unknown osc rate)\n");
+		return;
+	}
+
+	rate = clk_get_rate(osc);
+	clk_put(osc);
+
+	switch (rate) {
+	case 19200000:
+		ctrl = HFCLK_FREQ_19p2_MHZ;
+		break;
+	case 26000000:
+		ctrl = HFCLK_FREQ_26_MHZ;
+		break;
+	case 38400000:
+		ctrl = HFCLK_FREQ_38p4_MHZ;
+		break;
+	}
+
+	ctrl |= HIGH_PERF_SQ;
+	e |= unprotect_pm_master();
+	/* effect->MADC+USB ck en */
+	e |= twl4030_i2c_write_u8(TWL4030_MODULE_PM_MASTER, ctrl, R_CFG_BOOT);
+	e |= protect_pm_master();
+
+	if (e < 0)
+		pr_err("%s: clock init err [%d]\n", DRIVER_NAME, e);
+}
+
+/*----------------------------------------------------------------------*/
+
+/**
+ * twl4030_i2c_clear_isr - clear TWL4030 SIH ISR regs via read + write
+ * @mod_no: TWL4030 module number
+ * @reg: register index to clear
+ * @cor: value of the <module>_SIH_CTRL.COR bit (1 or 0)
+ *
+ * Either reads (cor == 1) or writes (cor == 0) to a TWL4030 interrupt
+ * status register to ensure that any prior interrupts are cleared.
+ * Returns the status from the I2C read operation.
+ */
+static int __init twl4030_i2c_clear_isr(u8 mod_no, u8 reg, u8 cor)
+{
+	u8 tmp;
+
+	return (cor) ? twl4030_i2c_read_u8(mod_no, &tmp, reg) :
+		twl4030_i2c_write_u8(mod_no, 0xff, reg);
+}
+
+/**
+ * twl4030_read_cor_bit - are TWL module ISRs cleared by reads or writes?
+ * @mod_no: TWL4030 module number
+ * @reg: register index to clear
+ *
+ * Returns 1 if the TWL4030 SIH interrupt status registers (ISRs) for
+ * the specified TWL module are cleared by reads, or 0 if cleared by
+ * writes.
+ */
+static int twl4030_read_cor_bit(u8 mod_no, u8 reg)
+{
+	u8 tmp = 0;
+
+	WARN_ON(twl4030_i2c_read_u8(mod_no, &tmp, reg) < 0);
+
+	tmp &= TWL4030_SIH_CTRL_COR_MASK;
+	tmp >>= __ffs(TWL4030_SIH_CTRL_COR_MASK);
+
+	return tmp;
+}
+
+/**
+ * twl4030_mask_clear_intrs - mask and clear all TWL4030 interrupts
+ * @t: pointer to twl4030_mod_iregs array
+ * @t_sz: ARRAY_SIZE(t) (starting at 1)
+ *
+ * Mask all TWL4030 interrupt mask registers (IMRs) and clear all
+ * interrupt status registers (ISRs).  No return value, but will WARN if
+ * any I2C operations fail.
+ */
+static void __init twl4030_mask_clear_intrs(const struct twl4030_mod_iregs *t,
+					    const u8 t_sz)
+{
+	int i, j;
+
+	/*
+	 * N.B. - further efficiency is possible here.  Eight I2C
+	 * operations on BCI and GPIO modules are avoidable if I2C
+	 * burst read/write transactions were implemented.  Would
+	 * probably save about 1ms of boot time and a small amount of
+	 * power.
+	 */
+	for (i = 0; i < t_sz; i++) {
+		const struct twl4030_mod_iregs tmr = t[i];
+		int cor;
+
+		/* Are ISRs cleared by reads or writes? */
+		cor = twl4030_read_cor_bit(tmr.mod_no, tmr.sih_ctrl);
+
+		for (j = 0; j < tmr.reg_cnt; j++) {
+
+			/* Mask interrupts at the TWL4030 */
+			WARN_ON(twl4030_i2c_write_u8(tmr.mod_no, 0xff,
+						     tmr.imrs[j]) < 0);
+
+			/* Clear TWL4030 ISRs */
+			WARN_ON(twl4030_i2c_clear_isr(tmr.mod_no,
+						      tmr.isrs[j], cor) < 0);
+		}
+	}
+}
+
+
+static void twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
+{
+	int	i;
+
+	/*
+	 * Mask and clear all TWL4030 interrupts since initially we do
+	 * not have any TWL4030 module interrupt handlers present
+	 */
+	twl4030_mask_clear_intrs(twl4030_mod_regs,
+				 ARRAY_SIZE(twl4030_mod_regs));
+
+	twl4030_irq_base = irq_base;
+
+	/* install an irq handler for each of the PIH modules */
+	for (i = irq_base; i < irq_end; i++) {
+		set_irq_chip_and_handler(i, &twl4030_irq_chip,
+				do_twl4030_module_irq);
+		activate_irq(i);
+	}
+
+	/* install an irq handler to demultiplex the TWL4030 interrupt */
+	set_irq_data(irq_num, start_twl4030_irq_thread(irq_num));
+	set_irq_chained_handler(irq_num, do_twl4030_irq);
+}
+
+/*----------------------------------------------------------------------*/
+
+static int twl4030_remove(struct i2c_client *client)
+{
+	unsigned i;
+
+	/* FIXME undo twl_init_irq() */
+	if (twl4030_irq_base) {
+		dev_err(&client->dev, "can't yet clean up IRQs?\n");
+		return -ENOSYS;
+	}
+
+	for (i = 0; i < TWL4030_NUM_SLAVES; i++) {
+		struct twl4030_client	*twl = &twl4030_modules[i];
+
+		if (twl->client && twl->client != client)
+			i2c_unregister_device(twl->client);
+		twl4030_modules[i].client = NULL;
+	}
+	inuse = false;
+	return 0;
+}
+
+/* NOTE:  this driver only handles a single twl4030/tps659x0 chip */
+static int
+twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	int				status;
+	unsigned			i;
+	struct twl4030_platform_data	*pdata = client->dev.platform_data;
+
+	if (!pdata) {
+		dev_dbg(&client->dev, "no platform data?\n");
+		return -EINVAL;
+	}
+
+	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
+		dev_dbg(&client->dev, "can't talk I2C?\n");
+		return -EIO;
+	}
+
+	if (inuse || twl4030_irq_base) {
+		dev_dbg(&client->dev, "driver is already in use\n");
+		return -EBUSY;
+	}
+
+	for (i = 0; i < TWL4030_NUM_SLAVES; i++) {
+		struct twl4030_client	*twl = &twl4030_modules[i];
+
+		twl->address = client->addr + i;
+		if (i == 0)
+			twl->client = client;
+		else {
+			twl->client = i2c_new_dummy(client->adapter,
+					twl->address);
+			if (!twl->client) {
+				dev_err(&twl->client->dev,
+					"can't attach client %d\n", i);
+				status = -ENOMEM;
+				goto fail;
+			}
+			strlcpy(twl->client->name, id->name,
+					sizeof(twl->client->name));
+		}
+		mutex_init(&twl->xfer_lock);
+	}
+	inuse = true;
+
+	/* setup clock framework */
+	clocks_init();
+
+	/* Maybe init the T2 Interrupt subsystem */
+	if (client->irq
+			&& pdata->irq_base
+			&& pdata->irq_end > pdata->irq_base) {
+		twl_init_irq(client->irq, pdata->irq_base, pdata->irq_end);
+		dev_info(&client->dev, "IRQ %d chains IRQs %d..%d\n",
+				client->irq, pdata->irq_base, pdata->irq_end - 1);
+	}
+
+	status = add_children(pdata);
+fail:
+	if (status < 0)
+		twl4030_remove(client);
+	return status;
+}
+
+static const struct i2c_device_id twl4030_ids[] = {
+	{ "twl4030", 0 },	/* "Triton 2" */
+	{ "tps65950", 0 },	/* catalog version of twl4030 */
+	{ "tps65930", 0 },	/* fewer LDOs and DACs; no charger */
+	{ "tps65920", 0 },	/* fewer LDOs; no codec or charger */
+	{ "twl5030", 0 },	/* T2 updated */
+	{ /* end of list */ },
+};
+MODULE_DEVICE_TABLE(i2c, twl4030_ids);
+
+/* One Client Driver , 4 Clients */
+static struct i2c_driver twl4030_driver = {
+	.driver.name	= DRIVER_NAME,
+	.id_table	= twl4030_ids,
+	.probe		= twl4030_probe,
+	.remove		= twl4030_remove,
+};
+
+static int __init twl4030_init(void)
+{
+	return i2c_add_driver(&twl4030_driver);
+}
+subsys_initcall(twl4030_init);
+
+static void __exit twl4030_exit(void)
+{
+	i2c_del_driver(&twl4030_driver);
+}
+module_exit(twl4030_exit);
+
+MODULE_AUTHOR("Texas Instruments, Inc.");
+MODULE_DESCRIPTION("I2C Core interface for TWL4030");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h
new file mode 100644
index 00000000000..cdb453162a9
--- /dev/null
+++ b/include/linux/i2c/twl4030.h
@@ -0,0 +1,339 @@
+/*
+ * twl4030.h - header for TWL4030 PM and audio CODEC device
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * Based on tlv320aic23.c:
+ * Copyright (c) by Kai Svahn <kai.svahn@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#ifndef __TWL4030_H_
+#define __TWL4030_H_
+
+/*
+ * Using the twl4030 core we address registers using a pair
+ *	{ module id, relative register offset }
+ * which that core then maps to the relevant
+ *	{ i2c slave, absolute register address }
+ *
+ * The module IDs are meaningful only to the twl4030 core code,
+ * which uses them as array indices to look up the first register
+ * address each module uses within a given i2c slave.
+ */
+
+/* Slave 0 (i2c address 0x48) */
+#define TWL4030_MODULE_USB		0x00
+
+/* Slave 1 (i2c address 0x49) */
+#define TWL4030_MODULE_AUDIO_VOICE	0x01
+#define TWL4030_MODULE_GPIO		0x02
+#define TWL4030_MODULE_INTBR		0x03
+#define TWL4030_MODULE_PIH		0x04
+#define TWL4030_MODULE_TEST		0x05
+
+/* Slave 2 (i2c address 0x4a) */
+#define TWL4030_MODULE_KEYPAD		0x06
+#define TWL4030_MODULE_MADC		0x07
+#define TWL4030_MODULE_INTERRUPTS	0x08
+#define TWL4030_MODULE_LED		0x09
+#define TWL4030_MODULE_MAIN_CHARGE	0x0A
+#define TWL4030_MODULE_PRECHARGE	0x0B
+#define TWL4030_MODULE_PWM0		0x0C
+#define TWL4030_MODULE_PWM1		0x0D
+#define TWL4030_MODULE_PWMA		0x0E
+#define TWL4030_MODULE_PWMB		0x0F
+
+/* Slave 3 (i2c address 0x4b) */
+#define TWL4030_MODULE_BACKUP		0x10
+#define TWL4030_MODULE_INT		0x11
+#define TWL4030_MODULE_PM_MASTER	0x12
+#define TWL4030_MODULE_PM_RECEIVER	0x13
+#define TWL4030_MODULE_RTC		0x14
+#define TWL4030_MODULE_SECURED_REG	0x15
+
+/*
+ * Read and write single 8-bit registers
+ */
+int twl4030_i2c_write_u8(u8 mod_no, u8 val, u8 reg);
+int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg);
+
+/*
+ * Read and write several 8-bit registers at once.
+ *
+ * IMPORTANT:  For twl4030_i2c_write(), allocate num_bytes + 1
+ * for the value, and populate your data starting at offset 1.
+ */
+int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);
+int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * NOTE:  at up to 1024 registers, this is a big chip.
+ *
+ * Avoid putting register declarations in this file, instead of into
+ * a driver-private file, unless some of the registers in a block
+ * need to be shared with other drivers.  One example is blocks that
+ * have Secondary IRQ Handler (SIH) registers.
+ */
+
+#define TWL4030_SIH_CTRL_EXCLEN_MASK	BIT(0)
+#define TWL4030_SIH_CTRL_PENDDIS_MASK	BIT(1)
+#define TWL4030_SIH_CTRL_COR_MASK	BIT(2)
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * GPIO Block Register offsets (use TWL4030_MODULE_GPIO)
+ */
+
+#define REG_GPIODATAIN1			0x0
+#define REG_GPIODATAIN2			0x1
+#define REG_GPIODATAIN3			0x2
+#define REG_GPIODATADIR1		0x3
+#define REG_GPIODATADIR2		0x4
+#define REG_GPIODATADIR3		0x5
+#define REG_GPIODATAOUT1		0x6
+#define REG_GPIODATAOUT2		0x7
+#define REG_GPIODATAOUT3		0x8
+#define REG_CLEARGPIODATAOUT1		0x9
+#define REG_CLEARGPIODATAOUT2		0xA
+#define REG_CLEARGPIODATAOUT3		0xB
+#define REG_SETGPIODATAOUT1		0xC
+#define REG_SETGPIODATAOUT2		0xD
+#define REG_SETGPIODATAOUT3		0xE
+#define REG_GPIO_DEBEN1			0xF
+#define REG_GPIO_DEBEN2			0x10
+#define REG_GPIO_DEBEN3			0x11
+#define REG_GPIO_CTRL			0x12
+#define REG_GPIOPUPDCTR1		0x13
+#define REG_GPIOPUPDCTR2		0x14
+#define REG_GPIOPUPDCTR3		0x15
+#define REG_GPIOPUPDCTR4		0x16
+#define REG_GPIOPUPDCTR5		0x17
+#define REG_GPIO_ISR1A			0x19
+#define REG_GPIO_ISR2A			0x1A
+#define REG_GPIO_ISR3A			0x1B
+#define REG_GPIO_IMR1A			0x1C
+#define REG_GPIO_IMR2A			0x1D
+#define REG_GPIO_IMR3A			0x1E
+#define REG_GPIO_ISR1B			0x1F
+#define REG_GPIO_ISR2B			0x20
+#define REG_GPIO_ISR3B			0x21
+#define REG_GPIO_IMR1B			0x22
+#define REG_GPIO_IMR2B			0x23
+#define REG_GPIO_IMR3B			0x24
+#define REG_GPIO_EDR1			0x28
+#define REG_GPIO_EDR2			0x29
+#define REG_GPIO_EDR3			0x2A
+#define REG_GPIO_EDR4			0x2B
+#define REG_GPIO_EDR5			0x2C
+#define REG_GPIO_SIH_CTRL		0x2D
+
+/* Up to 18 signals are available as GPIOs, when their
+ * pins are not assigned to another use (such as ULPI/USB).
+ */
+#define TWL4030_GPIO_MAX		18
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Keypad register offsets (use TWL4030_MODULE_KEYPAD)
+ * ... SIH/interrupt only
+ */
+
+#define TWL4030_KEYPAD_KEYP_ISR1	0x11
+#define TWL4030_KEYPAD_KEYP_IMR1	0x12
+#define TWL4030_KEYPAD_KEYP_ISR2	0x13
+#define TWL4030_KEYPAD_KEYP_IMR2	0x14
+#define TWL4030_KEYPAD_KEYP_SIR		0x15	/* test register */
+#define TWL4030_KEYPAD_KEYP_EDR		0x16
+#define TWL4030_KEYPAD_KEYP_SIH_CTRL	0x17
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Multichannel ADC register offsets (use TWL4030_MODULE_MADC)
+ * ... SIH/interrupt only
+ */
+
+#define TWL4030_MADC_ISR1		0x61
+#define TWL4030_MADC_IMR1		0x62
+#define TWL4030_MADC_ISR2		0x63
+#define TWL4030_MADC_IMR2		0x64
+#define TWL4030_MADC_SIR		0x65	/* test register */
+#define TWL4030_MADC_EDR		0x66
+#define TWL4030_MADC_SIH_CTRL		0x67
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Battery charger register offsets (use TWL4030_MODULE_INTERRUPTS)
+ */
+
+#define TWL4030_INTERRUPTS_BCIISR1A	0x0
+#define TWL4030_INTERRUPTS_BCIISR2A	0x1
+#define TWL4030_INTERRUPTS_BCIIMR1A	0x2
+#define TWL4030_INTERRUPTS_BCIIMR2A	0x3
+#define TWL4030_INTERRUPTS_BCIISR1B	0x4
+#define TWL4030_INTERRUPTS_BCIISR2B	0x5
+#define TWL4030_INTERRUPTS_BCIIMR1B	0x6
+#define TWL4030_INTERRUPTS_BCIIMR2B	0x7
+#define TWL4030_INTERRUPTS_BCISIR1	0x8	/* test register */
+#define TWL4030_INTERRUPTS_BCISIR2	0x9	/* test register */
+#define TWL4030_INTERRUPTS_BCIEDR1	0xa
+#define TWL4030_INTERRUPTS_BCIEDR2	0xb
+#define TWL4030_INTERRUPTS_BCIEDR3	0xc
+#define TWL4030_INTERRUPTS_BCISIHCTRL	0xd
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Power Interrupt block register offsets (use TWL4030_MODULE_INT)
+ */
+
+#define TWL4030_INT_PWR_ISR1		0x0
+#define TWL4030_INT_PWR_IMR1		0x1
+#define TWL4030_INT_PWR_ISR2		0x2
+#define TWL4030_INT_PWR_IMR2		0x3
+#define TWL4030_INT_PWR_SIR		0x4	/* test register */
+#define TWL4030_INT_PWR_EDR1		0x5
+#define TWL4030_INT_PWR_EDR2		0x6
+#define TWL4030_INT_PWR_SIH_CTRL	0x7
+
+/*----------------------------------------------------------------------*/
+
+struct twl4030_bci_platform_data {
+	int *battery_tmp_tbl;
+	unsigned int tblsize;
+};
+
+/* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */
+struct twl4030_gpio_platform_data {
+	int		gpio_base;
+	unsigned	irq_base, irq_end;
+
+	/* For gpio-N, bit (1 << N) in "pullups" is set if that pullup
+	 * should be enabled.  Else, if that bit is set in "pulldowns",
+	 * that pulldown is enabled.  Don't waste power by letting any
+	 * digital inputs float...
+	 */
+	u32		pullups;
+	u32		pulldowns;
+
+	int		(*setup)(struct device *dev,
+				unsigned gpio, unsigned ngpio);
+	int		(*teardown)(struct device *dev,
+				unsigned gpio, unsigned ngpio);
+};
+
+struct twl4030_madc_platform_data {
+	int		irq_line;
+};
+
+struct twl4030_keypad_data {
+	int rows;
+	int cols;
+	int *keymap;
+	int irq;
+	unsigned int keymapsize;
+	unsigned int rep:1;
+};
+
+enum twl4030_usb_mode {
+	T2_USB_MODE_ULPI = 1,
+	T2_USB_MODE_CEA2011_3PIN = 2,
+};
+
+struct twl4030_usb_data {
+	enum twl4030_usb_mode	usb_mode;
+};
+
+struct twl4030_platform_data {
+	unsigned				irq_base, irq_end;
+	struct twl4030_bci_platform_data	*bci;
+	struct twl4030_gpio_platform_data	*gpio;
+	struct twl4030_madc_platform_data	*madc;
+	struct twl4030_keypad_data		*keypad;
+	struct twl4030_usb_data			*usb;
+
+	/* REVISIT more to come ... _nothing_ should be hard-wired */
+};
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * FIXME completely stop using TWL4030_IRQ_BASE ... instead, pass the
+ * IRQ data to subsidiary devices using platform device resources.
+ */
+
+/* IRQ information-need base */
+#include <mach/irqs.h>
+/* TWL4030 interrupts */
+
+/* #define TWL4030_MODIRQ_GPIO		(TWL4030_IRQ_BASE + 0) */
+#define TWL4030_MODIRQ_KEYPAD		(TWL4030_IRQ_BASE + 1)
+#define TWL4030_MODIRQ_BCI		(TWL4030_IRQ_BASE + 2)
+#define TWL4030_MODIRQ_MADC		(TWL4030_IRQ_BASE + 3)
+/* #define TWL4030_MODIRQ_USB		(TWL4030_IRQ_BASE + 4) */
+#define TWL4030_MODIRQ_PWR		(TWL4030_IRQ_BASE + 5)
+
+#define TWL4030_PWRIRQ_PWRBTN		(TWL4030_PWR_IRQ_BASE + 0)
+#define TWL4030_PWRIRQ_CHG_PRES		(TWL4030_PWR_IRQ_BASE + 1)
+#define TWL4030_PWRIRQ_USB_PRES		(TWL4030_PWR_IRQ_BASE + 2)
+#define TWL4030_PWRIRQ_RTC		(TWL4030_PWR_IRQ_BASE + 3)
+#define TWL4030_PWRIRQ_HOT_DIE		(TWL4030_PWR_IRQ_BASE + 4)
+#define TWL4030_PWRIRQ_PWROK_TIMEOUT	(TWL4030_PWR_IRQ_BASE + 5)
+#define TWL4030_PWRIRQ_MBCHG		(TWL4030_PWR_IRQ_BASE + 6)
+#define TWL4030_PWRIRQ_SC_DETECT	(TWL4030_PWR_IRQ_BASE + 7)
+
+/* Rest are unsued currently*/
+
+/* Offsets to Power Registers */
+#define TWL4030_VDAC_DEV_GRP		0x3B
+#define TWL4030_VDAC_DEDICATED		0x3E
+#define TWL4030_VAUX1_DEV_GRP		0x17
+#define TWL4030_VAUX1_DEDICATED		0x1A
+#define TWL4030_VAUX2_DEV_GRP		0x1B
+#define TWL4030_VAUX2_DEDICATED		0x1E
+#define TWL4030_VAUX3_DEV_GRP		0x1F
+#define TWL4030_VAUX3_DEDICATED		0x22
+
+/* TWL4030 GPIO interrupt definitions */
+
+#define TWL4030_GPIO_IRQ_NO(n)		(TWL4030_GPIO_IRQ_BASE + (n))
+#define TWL4030_GPIO_IS_ENABLE		1
+
+/*
+ * Exported TWL4030 GPIO APIs
+ *
+ * WARNING -- use standard GPIO and IRQ calls instead; these will vanish.
+ */
+int twl4030_get_gpio_datain(int gpio);
+int twl4030_request_gpio(int gpio);
+int twl4030_set_gpio_debounce(int gpio, int enable);
+int twl4030_free_gpio(int gpio);
+
+#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
+	defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
+	extern int twl4030charger_usb_en(int enable);
+#else
+	static inline int twl4030charger_usb_en(int enable) { return 0; }
+#endif
+
+#endif /* End of __TWL4030_H */
-- 
GitLab


From 26b8f5e1e2d1229c186d8e61d26513c43a058c5e Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.miao@marvell.com>
Date: Wed, 15 Oct 2008 12:20:06 +0200
Subject: [PATCH 1283/2224] mfd: add base support for Dialog DA9030/DA9034
 PMICs

DA9030 (a.k.a ARAVA) and DA9034 (a.k.a MICCO) are PMICs designed by
Dialog Semiconductor, usually found on PXA-based platforms. These
PMICs are I2C-based, multi-function devices, usually with LEDs, PWMs
for backlight, BUCKs and LDOs, ADCs and touchscreen controller (on
DA9034).

This is the base support for the I2C operations, event registration
and handling, sub-devices management.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Liam Girdwood <lrg@kernel.org>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/da903x.c       | 563 +++++++++++++++++++++++++++++++++++++
 include/linux/mfd/da903x.h | 201 +++++++++++++
 2 files changed, 764 insertions(+)
 create mode 100644 drivers/mfd/da903x.c
 create mode 100644 include/linux/mfd/da903x.h

diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
new file mode 100644
index 00000000000..b57326ae464
--- /dev/null
+++ b/drivers/mfd/da903x.c
@@ -0,0 +1,563 @@
+/*
+ * Base driver for Dialog Semiconductor DA9030/DA9034
+ *
+ * Copyright (C) 2008 Compulab, Ltd.
+ * 	Mike Rapoport <mike@compulab.co.il>
+ *
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ * 	Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/mfd/da903x.h>
+
+#define DA9030_CHIP_ID		0x00
+#define DA9030_EVENT_A		0x01
+#define DA9030_EVENT_B		0x02
+#define DA9030_EVENT_C		0x03
+#define DA9030_STATUS		0x04
+#define DA9030_IRQ_MASK_A	0x05
+#define DA9030_IRQ_MASK_B	0x06
+#define DA9030_IRQ_MASK_C	0x07
+#define DA9030_SYS_CTRL_A	0x08
+#define DA9030_SYS_CTRL_B	0x09
+#define DA9030_FAULT_LOG	0x0a
+
+#define DA9034_CHIP_ID		0x00
+#define DA9034_EVENT_A		0x01
+#define DA9034_EVENT_B		0x02
+#define DA9034_EVENT_C		0x03
+#define DA9034_EVENT_D		0x04
+#define DA9034_STATUS_A		0x05
+#define DA9034_STATUS_B		0x06
+#define DA9034_IRQ_MASK_A	0x07
+#define DA9034_IRQ_MASK_B	0x08
+#define DA9034_IRQ_MASK_C	0x09
+#define DA9034_IRQ_MASK_D	0x0a
+#define DA9034_SYS_CTRL_A	0x0b
+#define DA9034_SYS_CTRL_B	0x0c
+#define DA9034_FAULT_LOG	0x0d
+
+struct da903x_chip;
+
+struct da903x_chip_ops {
+	int	(*init_chip)(struct da903x_chip *);
+	int	(*unmask_events)(struct da903x_chip *, unsigned int events);
+	int	(*mask_events)(struct da903x_chip *, unsigned int events);
+	int	(*read_events)(struct da903x_chip *, unsigned int *events);
+	int	(*read_status)(struct da903x_chip *, unsigned int *status);
+};
+
+struct da903x_chip {
+	struct i2c_client	*client;
+	struct device		*dev;
+	struct da903x_chip_ops	*ops;
+
+	int			type;
+	uint32_t		events_mask;
+
+	struct mutex		lock;
+	struct work_struct	irq_work;
+
+	struct blocking_notifier_head notifier_list;
+};
+
+static inline int __da903x_read(struct i2c_client *client,
+				int reg, uint8_t *val)
+{
+	int ret;
+
+	ret = i2c_smbus_read_byte_data(client, reg);
+	if (ret < 0) {
+		dev_err(&client->dev, "failed reading at 0x%02x\n", reg);
+		return ret;
+	}
+
+	*val = (uint8_t)ret;
+	return 0;
+}
+
+static inline int __da903x_reads(struct i2c_client *client, int reg,
+				 int len, uint8_t *val)
+{
+	int ret;
+
+	ret = i2c_smbus_read_i2c_block_data(client, reg, len, val);
+	if (ret < 0) {
+		dev_err(&client->dev, "failed reading from 0x%02x\n", reg);
+		return ret;
+	}
+	return 0;
+}
+
+static inline int __da903x_write(struct i2c_client *client,
+				 int reg, uint8_t val)
+{
+	int ret;
+
+	ret = i2c_smbus_write_byte_data(client, reg, val);
+	if (ret < 0) {
+		dev_err(&client->dev, "failed writing 0x%02x to 0x%02x\n",
+				val, reg);
+		return ret;
+	}
+	return 0;
+}
+
+static inline int __da903x_writes(struct i2c_client *client, int reg,
+				  int len, uint8_t *val)
+{
+	int ret;
+
+	ret = i2c_smbus_write_i2c_block_data(client, reg, len, val);
+	if (ret < 0) {
+		dev_err(&client->dev, "failed writings to 0x%02x\n", reg);
+		return ret;
+	}
+	return 0;
+}
+
+int da903x_register_notifier(struct device *dev, struct notifier_block *nb,
+				unsigned int events)
+{
+	struct da903x_chip *chip = dev_get_drvdata(dev);
+
+	chip->ops->unmask_events(chip, events);
+	return blocking_notifier_chain_register(&chip->notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(da903x_register_notifier);
+
+int da903x_unregister_notifier(struct device *dev, struct notifier_block *nb,
+				unsigned int events)
+{
+	struct da903x_chip *chip = dev_get_drvdata(dev);
+
+	chip->ops->mask_events(chip, events);
+	return blocking_notifier_chain_unregister(&chip->notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(da903x_unregister_notifier);
+
+int da903x_write(struct device *dev, int reg, uint8_t val)
+{
+	return __da903x_write(to_i2c_client(dev), reg, val);
+}
+EXPORT_SYMBOL_GPL(da903x_write);
+
+int da903x_read(struct device *dev, int reg, uint8_t *val)
+{
+	return __da903x_read(to_i2c_client(dev), reg, val);
+}
+EXPORT_SYMBOL_GPL(da903x_read);
+
+int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
+{
+	struct da903x_chip *chip = dev_get_drvdata(dev);
+	uint8_t reg_val;
+	int ret = 0;
+
+	mutex_lock(&chip->lock);
+
+	ret = __da903x_read(chip->client, reg, &reg_val);
+	if (ret)
+		goto out;
+
+	if ((reg_val & bit_mask) == 0) {
+		reg_val |= bit_mask;
+		ret = __da903x_write(chip->client, reg, reg_val);
+	}
+out:
+	mutex_unlock(&chip->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_set_bits);
+
+int da903x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
+{
+	struct da903x_chip *chip = dev_get_drvdata(dev);
+	uint8_t reg_val;
+	int ret = 0;
+
+	mutex_lock(&chip->lock);
+
+	ret = __da903x_read(chip->client, reg, &reg_val);
+	if (ret)
+		goto out;
+
+	if (reg_val & bit_mask) {
+		reg_val &= ~bit_mask;
+		ret = __da903x_write(chip->client, reg, reg_val);
+	}
+out:
+	mutex_unlock(&chip->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_clr_bits);
+
+int da903x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
+{
+	struct da903x_chip *chip = dev_get_drvdata(dev);
+	uint8_t reg_val;
+	int ret = 0;
+
+	mutex_lock(&chip->lock);
+
+	ret = __da903x_read(chip->client, reg, &reg_val);
+	if (ret)
+		goto out;
+
+	if ((reg_val & mask) != val) {
+		reg_val = (reg_val & ~mask) | val;
+		ret = __da903x_write(chip->client, reg, reg_val);
+	}
+out:
+	mutex_unlock(&chip->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_update);
+
+int da903x_query_status(struct device *dev, unsigned int sbits)
+{
+	struct da903x_chip *chip = dev_get_drvdata(dev);
+	unsigned int status = 0;
+
+	chip->ops->read_status(chip, &status);
+	return ((status & sbits) == sbits);
+}
+EXPORT_SYMBOL(da903x_query_status);
+
+static int __devinit da9030_init_chip(struct da903x_chip *chip)
+{
+	uint8_t chip_id;
+	int err;
+
+	err = __da903x_read(chip->client, DA9030_CHIP_ID, &chip_id);
+	if (err)
+		return err;
+
+	err = __da903x_write(chip->client, DA9030_SYS_CTRL_A, 0xE8);
+	if (err)
+		return err;
+
+	dev_info(chip->dev, "DA9030 (CHIP ID: 0x%02x) detected\n", chip_id);
+	return 0;
+}
+
+static int da9030_unmask_events(struct da903x_chip *chip, unsigned int events)
+{
+	uint8_t v[3];
+
+	chip->events_mask &= ~events;
+
+	v[0] = (chip->events_mask & 0xff);
+	v[1] = (chip->events_mask >> 8) & 0xff;
+	v[2] = (chip->events_mask >> 16) & 0xff;
+
+	return __da903x_writes(chip->client, DA9030_IRQ_MASK_A, 3, v);
+}
+
+static int da9030_mask_events(struct da903x_chip *chip, unsigned int events)
+{
+	uint8_t v[3];
+
+	chip->events_mask &= ~events;
+
+	v[0] = (chip->events_mask & 0xff);
+	v[1] = (chip->events_mask >> 8) & 0xff;
+	v[2] = (chip->events_mask >> 16) & 0xff;
+
+	return __da903x_writes(chip->client, DA9030_IRQ_MASK_A, 3, v);
+}
+
+static int da9030_read_events(struct da903x_chip *chip, unsigned int *events)
+{
+	uint8_t v[3] = {0, 0, 0};
+	int ret;
+
+	ret = __da903x_reads(chip->client, DA9030_EVENT_A, 3, v);
+	if (ret < 0)
+		return ret;
+
+	*events = (v[2] << 16) | (v[1] << 8) | v[0];
+	return 0;
+}
+
+static int da9030_read_status(struct da903x_chip *chip, unsigned int *status)
+{
+	return __da903x_read(chip->client, DA9030_STATUS, (uint8_t *)status);
+}
+
+static int da9034_init_chip(struct da903x_chip *chip)
+{
+	uint8_t chip_id;
+	int err;
+
+	err = __da903x_read(chip->client, DA9034_CHIP_ID, &chip_id);
+	if (err)
+		return err;
+
+	err = __da903x_write(chip->client, DA9034_SYS_CTRL_A, 0xE8);
+	if (err)
+		return err;
+
+	/* avoid SRAM power off during sleep*/
+	__da903x_write(chip->client, 0x10, 0x07);
+	__da903x_write(chip->client, 0x11, 0xff);
+	__da903x_write(chip->client, 0x12, 0xff);
+
+	/* Enable the ONKEY power down functionality */
+	__da903x_write(chip->client, DA9034_SYS_CTRL_B, 0x20);
+	__da903x_write(chip->client, DA9034_SYS_CTRL_A, 0x60);
+
+	/* workaround to make LEDs work */
+	__da903x_write(chip->client, 0x90, 0x01);
+	__da903x_write(chip->client, 0xB0, 0x08);
+
+	/* make ADTV1 and SDTV1 effective */
+	__da903x_write(chip->client, 0x20, 0x00);
+
+	dev_info(chip->dev, "DA9034 (CHIP ID: 0x%02x) detected\n", chip_id);
+	return 0;
+}
+
+static int da9034_unmask_events(struct da903x_chip *chip, unsigned int events)
+{
+	uint8_t v[4];
+
+	chip->events_mask &= ~events;
+
+	v[0] = (chip->events_mask & 0xff);
+	v[1] = (chip->events_mask >> 8) & 0xff;
+	v[2] = (chip->events_mask >> 16) & 0xff;
+	v[3] = (chip->events_mask >> 24) & 0xff;
+
+	return __da903x_writes(chip->client, DA9034_IRQ_MASK_A, 4, v);
+}
+
+static int da9034_mask_events(struct da903x_chip *chip, unsigned int events)
+{
+	uint8_t v[4];
+
+	chip->events_mask |= events;
+
+	v[0] = (chip->events_mask & 0xff);
+	v[1] = (chip->events_mask >> 8) & 0xff;
+	v[2] = (chip->events_mask >> 16) & 0xff;
+	v[3] = (chip->events_mask >> 24) & 0xff;
+
+	return __da903x_writes(chip->client, DA9034_IRQ_MASK_A, 4, v);
+}
+
+static int da9034_read_events(struct da903x_chip *chip, unsigned int *events)
+{
+	uint8_t v[4] = {0, 0, 0, 0};
+	int ret;
+
+	ret = __da903x_reads(chip->client, DA9034_EVENT_A, 4, v);
+	if (ret < 0)
+		return ret;
+
+	*events = (v[3] << 24) | (v[2] << 16) | (v[1] << 8) | v[0];
+	return 0;
+}
+
+static int da9034_read_status(struct da903x_chip *chip, unsigned int *status)
+{
+	uint8_t v[2] = {0, 0};
+	int ret = 0;
+
+	ret = __da903x_reads(chip->client, DA9034_STATUS_A, 2, v);
+	if (ret)
+		return ret;
+
+	*status = (v[1] << 8) | v[0];
+	return 0;
+}
+
+static void da903x_irq_work(struct work_struct *work)
+{
+	struct da903x_chip *chip =
+		container_of(work, struct da903x_chip, irq_work);
+	unsigned int events = 0;
+
+	while (1) {
+		if (chip->ops->read_events(chip, &events))
+			break;
+
+		events &= ~chip->events_mask;
+		if (events == 0)
+			break;
+
+		blocking_notifier_call_chain(
+				&chip->notifier_list, events, NULL);
+	}
+	enable_irq(chip->client->irq);
+}
+
+static int da903x_irq_handler(int irq, void *data)
+{
+	struct da903x_chip *chip = data;
+
+	disable_irq_nosync(irq);
+	(void)schedule_work(&chip->irq_work);
+
+	return IRQ_HANDLED;
+}
+
+static struct da903x_chip_ops da903x_ops[] = {
+	[0] = {
+		.init_chip	= da9030_init_chip,
+		.unmask_events	= da9030_unmask_events,
+		.mask_events	= da9030_mask_events,
+		.read_events	= da9030_read_events,
+		.read_status	= da9030_read_status,
+	},
+	[1] = {
+		.init_chip	= da9034_init_chip,
+		.unmask_events	= da9034_unmask_events,
+		.mask_events	= da9034_mask_events,
+		.read_events	= da9034_read_events,
+		.read_status	= da9034_read_status,
+	}
+};
+
+static const struct i2c_device_id da903x_id_table[] = {
+	{ "da9030", 0 },
+	{ "da9034", 1 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, da903x_id_table);
+
+static int __devexit __remove_subdev(struct device *dev, void *unused)
+{
+	platform_device_unregister(to_platform_device(dev));
+	return 0;
+}
+
+static int __devexit da903x_remove_subdevs(struct da903x_chip *chip)
+{
+	return device_for_each_child(chip->dev, NULL, __remove_subdev);
+}
+
+static int __devinit da903x_add_subdevs(struct da903x_chip *chip,
+					struct da903x_platform_data *pdata)
+{
+	struct da903x_subdev_info *subdev;
+	struct platform_device *pdev;
+	int i, ret = 0;
+
+	for (i = 0; i < pdata->num_subdevs; i++) {
+		subdev = &pdata->subdevs[i];
+
+		pdev = platform_device_alloc(subdev->name, subdev->id);
+
+		pdev->dev.parent = chip->dev;
+		pdev->dev.platform_data = subdev->platform_data;
+
+		ret = platform_device_add(pdev);
+		if (ret)
+			goto failed;
+	}
+	return 0;
+
+failed:
+	da903x_remove_subdevs(chip);
+	return ret;
+}
+
+static int __devinit da903x_probe(struct i2c_client *client,
+				  const struct i2c_device_id *id)
+{
+	struct da903x_platform_data *pdata = client->dev.platform_data;
+	struct da903x_chip *chip;
+	unsigned int tmp;
+	int ret;
+
+	chip = kzalloc(sizeof(struct da903x_chip), GFP_KERNEL);
+	if (chip == NULL)
+		return -ENOMEM;
+
+	chip->client = client;
+	chip->dev = &client->dev;
+	chip->ops = &da903x_ops[id->driver_data];
+
+	mutex_init(&chip->lock);
+	INIT_WORK(&chip->irq_work, da903x_irq_work);
+	BLOCKING_INIT_NOTIFIER_HEAD(&chip->notifier_list);
+
+	i2c_set_clientdata(client, chip);
+
+	ret = chip->ops->init_chip(chip);
+	if (ret)
+		goto out_free_chip;
+
+	/* mask and clear all IRQs */
+	chip->events_mask = 0xffffffff;
+	chip->ops->mask_events(chip, chip->events_mask);
+	chip->ops->read_events(chip, &tmp);
+
+	ret = request_irq(client->irq, da903x_irq_handler,
+			IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+			"da903x", chip);
+	if (ret) {
+		dev_err(&client->dev, "failed to request irq %d\n",
+				client->irq);
+		goto out_free_chip;
+	}
+
+	ret = da903x_add_subdevs(chip, pdata);
+	if (ret)
+		goto out_free_irq;
+
+	return 0;
+
+out_free_irq:
+	free_irq(client->irq, chip);
+out_free_chip:
+	i2c_set_clientdata(client, NULL);
+	kfree(chip);
+	return ret;
+}
+
+static int __devexit da903x_remove(struct i2c_client *client)
+{
+	struct da903x_chip *chip = i2c_get_clientdata(client);
+
+	da903x_remove_subdevs(chip);
+	kfree(chip);
+	return 0;
+}
+
+static struct i2c_driver da903x_driver = {
+	.driver	= {
+		.name	= "da903x",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= da903x_probe,
+	.remove		= __devexit_p(da903x_remove),
+	.id_table	= da903x_id_table,
+};
+
+static int __init da903x_init(void)
+{
+	return i2c_add_driver(&da903x_driver);
+}
+module_init(da903x_init);
+
+static void __exit da903x_exit(void)
+{
+	i2c_del_driver(&da903x_driver);
+}
+module_exit(da903x_exit);
+
+MODULE_DESCRIPTION("PMIC Driver for Dialog Semiconductor DA9034");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
+	      "Mike Rapoport <mike@compulab.co.il>");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/mfd/da903x.h b/include/linux/mfd/da903x.h
new file mode 100644
index 00000000000..cad314c1243
--- /dev/null
+++ b/include/linux/mfd/da903x.h
@@ -0,0 +1,201 @@
+#ifndef __LINUX_PMIC_DA903X_H
+#define __LINUX_PMIC_DA903X_H
+
+/* Unified sub device IDs for DA9030/DA9034 */
+enum {
+	DA9030_ID_LED_1,
+	DA9030_ID_LED_2,
+	DA9030_ID_LED_3,
+	DA9030_ID_LED_4,
+	DA9030_ID_LED_PC,
+	DA9030_ID_VIBRA,
+	DA9030_ID_WLED,
+	DA9030_ID_BUCK1,
+	DA9030_ID_BUCK2,
+	DA9030_ID_LDO1,
+	DA9030_ID_LDO2,
+	DA9030_ID_LDO3,
+	DA9030_ID_LDO4,
+	DA9030_ID_LDO5,
+	DA9030_ID_LDO6,
+	DA9030_ID_LDO7,
+	DA9030_ID_LDO8,
+	DA9030_ID_LDO9,
+	DA9030_ID_LDO10,
+	DA9030_ID_LDO11,
+	DA9030_ID_LDO12,
+	DA9030_ID_LDO13,
+	DA9030_ID_LDO14,
+	DA9030_ID_LDO15,
+	DA9030_ID_LDO16,
+	DA9030_ID_LDO17,
+	DA9030_ID_LDO18,
+	DA9030_ID_LDO19,
+	DA9030_ID_LDO_INT,	/* LDO Internal */
+
+	DA9034_ID_LED_1,
+	DA9034_ID_LED_2,
+	DA9034_ID_VIBRA,
+	DA9034_ID_WLED,
+	DA9034_ID_TOUCH,
+
+	DA9034_ID_BUCK1,
+	DA9034_ID_BUCK2,
+	DA9034_ID_LDO1,
+	DA9034_ID_LDO2,
+	DA9034_ID_LDO3,
+	DA9034_ID_LDO4,
+	DA9034_ID_LDO5,
+	DA9034_ID_LDO6,
+	DA9034_ID_LDO7,
+	DA9034_ID_LDO8,
+	DA9034_ID_LDO9,
+	DA9034_ID_LDO10,
+	DA9034_ID_LDO11,
+	DA9034_ID_LDO12,
+	DA9034_ID_LDO13,
+	DA9034_ID_LDO14,
+	DA9034_ID_LDO15,
+};
+
+/*
+ * DA9030/DA9034 LEDs sub-devices uses generic "struct led_info"
+ * as the platform_data
+ */
+
+/* DA9030 flags for "struct led_info"
+ */
+#define DA9030_LED_RATE_ON	(0 << 5)
+#define DA9030_LED_RATE_052S	(1 << 5)
+#define DA9030_LED_DUTY_1_16	(0 << 3)
+#define DA9030_LED_DUTY_1_8	(1 << 3)
+#define DA9030_LED_DUTY_1_4	(2 << 3)
+#define DA9030_LED_DUTY_1_2	(3 << 3)
+
+#define DA9030_VIBRA_MODE_1P3V	(0 << 1)
+#define DA9030_VIBRA_MODE_2P7V	(1 << 1)
+#define DA9030_VIBRA_FREQ_1HZ	(0 << 2)
+#define DA9030_VIBRA_FREQ_2HZ	(1 << 2)
+#define DA9030_VIBRA_FREQ_4HZ	(2 << 2)
+#define DA9030_VIBRA_FREQ_8HZ	(3 << 2)
+#define DA9030_VIBRA_DUTY_ON	(0 << 4)
+#define DA9030_VIBRA_DUTY_75P	(1 << 4)
+#define DA9030_VIBRA_DUTY_50P	(2 << 4)
+#define DA9030_VIBRA_DUTY_25P	(3 << 4)
+
+/* DA9034 flags for "struct led_info" */
+#define DA9034_LED_RAMP		(1 << 7)
+
+/* DA9034 touch screen platform data */
+struct da9034_touch_pdata {
+	int	interval_ms;	/* sampling interval while pen down */
+	int	x_inverted;
+	int	y_inverted;
+};
+
+struct da903x_subdev_info {
+	int		id;
+	const char	*name;
+	void		*platform_data;
+};
+
+struct da903x_platform_data {
+	int num_subdevs;
+	struct da903x_subdev_info *subdevs;
+};
+
+/* bit definitions for DA9030 events */
+#define DA9030_EVENT_ONKEY		(1 << 0)
+#define	DA9030_EVENT_PWREN		(1 << 1)
+#define	DA9030_EVENT_EXTON		(1 << 2)
+#define	DA9030_EVENT_CHDET		(1 << 3)
+#define	DA9030_EVENT_TBAT		(1 << 4)
+#define	DA9030_EVENT_VBATMON		(1 << 5)
+#define	DA9030_EVENT_VBATMON_TXON	(1 << 6)
+#define	DA9030_EVENT_CHIOVER		(1 << 7)
+#define	DA9030_EVENT_TCTO		(1 << 8)
+#define	DA9030_EVENT_CCTO		(1 << 9)
+#define	DA9030_EVENT_ADC_READY		(1 << 10)
+#define	DA9030_EVENT_VBUS_4P4		(1 << 11)
+#define	DA9030_EVENT_VBUS_4P0		(1 << 12)
+#define	DA9030_EVENT_SESS_VALID		(1 << 13)
+#define	DA9030_EVENT_SRP_DETECT		(1 << 14)
+#define	DA9030_EVENT_WATCHDOG		(1 << 15)
+#define	DA9030_EVENT_LDO15		(1 << 16)
+#define	DA9030_EVENT_LDO16		(1 << 17)
+#define	DA9030_EVENT_LDO17		(1 << 18)
+#define	DA9030_EVENT_LDO18		(1 << 19)
+#define	DA9030_EVENT_LDO19		(1 << 20)
+#define	DA9030_EVENT_BUCK2		(1 << 21)
+
+/* bit definitions for DA9034 events */
+#define DA9034_EVENT_ONKEY		(1 << 0)
+#define DA9034_EVENT_EXTON		(1 << 2)
+#define DA9034_EVENT_CHDET		(1 << 3)
+#define DA9034_EVENT_TBAT		(1 << 4)
+#define DA9034_EVENT_VBATMON		(1 << 5)
+#define DA9034_EVENT_REV_IOVER		(1 << 6)
+#define DA9034_EVENT_CH_IOVER		(1 << 7)
+#define DA9034_EVENT_CH_TCTO		(1 << 8)
+#define DA9034_EVENT_CH_CCTO		(1 << 9)
+#define DA9034_EVENT_USB_DEV		(1 << 10)
+#define DA9034_EVENT_OTGCP_IOVER	(1 << 11)
+#define DA9034_EVENT_VBUS_4P55		(1 << 12)
+#define DA9034_EVENT_VBUS_3P8		(1 << 13)
+#define DA9034_EVENT_SESS_1P8		(1 << 14)
+#define DA9034_EVENT_SRP_READY		(1 << 15)
+#define DA9034_EVENT_ADC_MAN		(1 << 16)
+#define DA9034_EVENT_ADC_AUTO4		(1 << 17)
+#define DA9034_EVENT_ADC_AUTO5		(1 << 18)
+#define DA9034_EVENT_ADC_AUTO6		(1 << 19)
+#define DA9034_EVENT_PEN_DOWN		(1 << 20)
+#define DA9034_EVENT_TSI_READY		(1 << 21)
+#define DA9034_EVENT_UART_TX		(1 << 22)
+#define DA9034_EVENT_UART_RX		(1 << 23)
+#define DA9034_EVENT_HEADSET		(1 << 25)
+#define DA9034_EVENT_HOOKSWITCH		(1 << 26)
+#define DA9034_EVENT_WATCHDOG		(1 << 27)
+
+extern int da903x_register_notifier(struct device *dev,
+		struct notifier_block *nb, unsigned int events);
+extern int da903x_unregister_notifier(struct device *dev,
+		struct notifier_block *nb, unsigned int events);
+
+/* Status Query Interface */
+#define DA9030_STATUS_ONKEY		(1 << 0)
+#define DA9030_STATUS_PWREN1		(1 << 1)
+#define DA9030_STATUS_EXTON		(1 << 2)
+#define DA9030_STATUS_CHDET		(1 << 3)
+#define DA9030_STATUS_TBAT		(1 << 4)
+#define DA9030_STATUS_VBATMON		(1 << 5)
+#define DA9030_STATUS_VBATMON_TXON	(1 << 6)
+#define DA9030_STATUS_MCLKDET		(1 << 7)
+
+#define DA9034_STATUS_ONKEY		(1 << 0)
+#define DA9034_STATUS_EXTON		(1 << 2)
+#define DA9034_STATUS_CHDET		(1 << 3)
+#define DA9034_STATUS_TBAT		(1 << 4)
+#define DA9034_STATUS_VBATMON		(1 << 5)
+#define DA9034_STATUS_PEN_DOWN		(1 << 6)
+#define DA9034_STATUS_MCLKDET		(1 << 7)
+#define DA9034_STATUS_USB_DEV		(1 << 8)
+#define DA9034_STATUS_HEADSET		(1 << 9)
+#define DA9034_STATUS_HOOKSWITCH	(1 << 10)
+#define DA9034_STATUS_REMCON		(1 << 11)
+#define DA9034_STATUS_VBUS_VALID_4P55	(1 << 12)
+#define DA9034_STATUS_VBUS_VALID_3P8	(1 << 13)
+#define DA9034_STATUS_SESS_VALID_1P8	(1 << 14)
+#define DA9034_STATUS_SRP_READY		(1 << 15)
+
+extern int da903x_query_status(struct device *dev, unsigned int status);
+
+
+/* NOTE: the two functions below are not intended for use outside
+ * of the DA9034 sub-device drivers
+ */
+extern int da903x_write(struct device *dev, int reg, uint8_t val);
+extern int da903x_read(struct device *dev, int reg, uint8_t *val);
+extern int da903x_update(struct device *dev, int reg, uint8_t val, uint8_t mask);
+extern int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask);
+extern int da903x_clr_bits(struct device *dev, int reg, uint8_t bit_mask);
+#endif /* __LINUX_PMIC_DA903X_H */
-- 
GitLab


From 9297a0e7e033b7f2776610197fcbb9ff563efe32 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Thu, 9 Oct 2008 00:30:11 +0200
Subject: [PATCH 1284/2224] mfd: twl4030-core irq simplification

Simplify twl4030 IRQ handling by removing a needless custom flow
handler.  The top level IRQs, from the PIH, are well suited for
handle_simple_irq() ... they can't be acked or masked.

Switching resolves some issues with how IRQs were dispatched.
Notably, abuse of desc->status, IRQ accounting, and handling
of various faults.

In short, use standard genirq code.

Drivers that request_irq() to the PIH will need to pay more
attention to things like setting IRQF_DISABLED (since it's
no longer ignored), and making I2C calls from handlers (you'll
need a lockdep workaround).

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/twl4030-core.c | 68 ++------------------------------------
 1 file changed, 2 insertions(+), 66 deletions(-)

diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index 4af1624987c..fd9a0160202 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -535,68 +535,6 @@ EXPORT_SYMBOL(twl4030_i2c_read_u8);
 
 /*----------------------------------------------------------------------*/
 
-/*
- * do_twl4030_module_irq() is the desc->handle method for each of the twl4030
- * module interrupts that doesn't chain to another irq_chip (GPIO, power, etc).
- * It executes in kernel thread context.  On entry, cpu interrupts are disabled.
- */
-static void do_twl4030_module_irq(unsigned int irq, irq_desc_t *desc)
-{
-	struct irqaction *action;
-	const unsigned int cpu = smp_processor_id();
-
-	/*
-	 * Earlier this was desc->triggered = 1;
-	 */
-	desc->status |= IRQ_LEVEL;
-
-	/*
-	 * The desc->handle method would normally call the desc->chip->ack
-	 * method here, but we won't bother since our ack method is NULL.
-	 */
-
-	if (!desc->depth) {
-		kstat_cpu(cpu).irqs[irq]++;
-
-		action = desc->action;
-		if (action) {
-			int ret;
-			int status = 0;
-			int retval = 0;
-
-			local_irq_enable();
-
-			do {
-				/* Call the ISR with cpu interrupts enabled */
-				ret = action->handler(irq, action->dev_id);
-				if (ret == IRQ_HANDLED)
-					status |= action->flags;
-				retval |= ret;
-				action = action->next;
-			} while (action);
-
-			if (status & IRQF_SAMPLE_RANDOM)
-				add_interrupt_randomness(irq);
-
-			local_irq_disable();
-
-			if (retval != IRQ_HANDLED)
-				printk(KERN_ERR "ISR for TWL4030 module"
-					" irq %d can't handle interrupt\n",
-					irq);
-
-			/*
-			 * Here is where we should call the unmask method, but
-			 * again we won't bother since it is NULL.
-			 */
-		} else
-			printk(KERN_CRIT "TWL4030 module irq %d has no ISR"
-					" but can't be masked!\n", irq);
-	} else
-		printk(KERN_CRIT "TWL4030 module irq %d is disabled but can't"
-				" be masked!\n", irq);
-}
-
 static unsigned twl4030_irq_base;
 
 static struct completion irq_event;
@@ -611,7 +549,6 @@ static int twl4030_irq_thread(void *data)
 	static unsigned i2c_errors;
 	const static unsigned max_i2c_errors = 100;
 
-	daemonize("twl4030-irq");
 	current->flags |= PF_NOFREEZE;
 
 	while (!kthread_should_stop()) {
@@ -691,8 +628,7 @@ static struct task_struct * __init start_twl4030_irq_thread(long irq)
 	struct task_struct *thread;
 
 	init_completion(&irq_event);
-	thread = kthread_run(twl4030_irq_thread, (void *)irq,
-			     "twl4030 irq %ld", irq);
+	thread = kthread_run(twl4030_irq_thread, (void *)irq, "twl4030-irq");
 	if (!thread)
 		pr_err("%s: could not create twl4030 irq %ld thread!\n",
 		       DRIVER_NAME, irq);
@@ -1126,7 +1062,7 @@ static void twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
 	/* install an irq handler for each of the PIH modules */
 	for (i = irq_base; i < irq_end; i++) {
 		set_irq_chip_and_handler(i, &twl4030_irq_chip,
-				do_twl4030_module_irq);
+				handle_simple_irq);
 		activate_irq(i);
 	}
 
-- 
GitLab


From 7acb706ca97fce84bda4a902a33de2f3dae10260 Mon Sep 17 00:00:00 2001
From: Ian Molton <spyro@f2s.com>
Date: Thu, 9 Oct 2008 20:06:09 +0200
Subject: [PATCH 1285/2224] mfd: update TMIO drivers to use the clock API

This patch updates the remaining two TMIO drivers to use the clock API
rather than callback hooks into platform code.

Signed-off-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/t7l66xb.c        | 40 ++++++++++++++++++++++++------
 drivers/mfd/tc6387xb.c       | 47 ++++++++++++++++++++++--------------
 include/linux/mfd/t7l66xb.h  |  2 --
 include/linux/mfd/tc6387xb.h |  3 ---
 4 files changed, 61 insertions(+), 31 deletions(-)

diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index 49a0fffc02a..9f7024c0f8e 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -24,8 +24,10 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/err.h>
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
@@ -56,6 +58,8 @@ struct t7l66xb {
 	spinlock_t		lock;
 
 	struct resource		rscr;
+	struct clk		*clk48m;
+	struct clk		*clk32k;
 	int			irq;
 	int			irq_base;
 };
@@ -65,13 +69,11 @@ struct t7l66xb {
 static int t7l66xb_mmc_enable(struct platform_device *mmc)
 {
 	struct platform_device *dev = to_platform_device(mmc->dev.parent);
-	struct t7l66xb_platform_data   *pdata = dev->dev.platform_data;
 	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
 	unsigned long flags;
 	u8 dev_ctl;
 
-	if (pdata->enable_clk32k)
-		pdata->enable_clk32k(dev);
+	clk_enable(t7l66xb->clk32k);
 
 	spin_lock_irqsave(&t7l66xb->lock, flags);
 
@@ -87,7 +89,6 @@ static int t7l66xb_mmc_enable(struct platform_device *mmc)
 static int t7l66xb_mmc_disable(struct platform_device *mmc)
 {
 	struct platform_device *dev = to_platform_device(mmc->dev.parent);
-	struct t7l66xb_platform_data   *pdata = dev->dev.platform_data;
 	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
 	unsigned long flags;
 	u8 dev_ctl;
@@ -100,8 +101,7 @@ static int t7l66xb_mmc_disable(struct platform_device *mmc)
 
 	spin_unlock_irqrestore(&t7l66xb->lock, flags);
 
-	if (pdata->disable_clk32k)
-		pdata->disable_clk32k(dev);
+	clk_disable(t7l66xb->clk32k);
 
 	return 0;
 }
@@ -258,18 +258,22 @@ static void t7l66xb_detach_irq(struct platform_device *dev)
 #ifdef CONFIG_PM
 static int t7l66xb_suspend(struct platform_device *dev, pm_message_t state)
 {
+	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
 	struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
 
 	if (pdata && pdata->suspend)
 		pdata->suspend(dev);
+	clk_disable(t7l66xb->clk48m);
 
 	return 0;
 }
 
 static int t7l66xb_resume(struct platform_device *dev)
 {
+	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
 	struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
 
+	clk_enable(t7l66xb->clk48m);
 	if (pdata && pdata->resume)
 		pdata->resume(dev);
 
@@ -309,6 +313,19 @@ static int t7l66xb_probe(struct platform_device *dev)
 
 	t7l66xb->irq_base = pdata->irq_base;
 
+	t7l66xb->clk32k = clk_get(&dev->dev, "CLK_CK32K");
+	if (IS_ERR(t7l66xb->clk32k)) {
+		ret = PTR_ERR(t7l66xb->clk32k);
+		goto err_clk32k_get;
+	}
+
+	t7l66xb->clk48m = clk_get(&dev->dev, "CLK_CK48M");
+	if (IS_ERR(t7l66xb->clk48m)) {
+		ret = PTR_ERR(t7l66xb->clk48m);
+		clk_put(t7l66xb->clk32k);
+		goto err_clk48m_get;
+	}
+
 	rscr = &t7l66xb->rscr;
 	rscr->name = "t7l66xb-core";
 	rscr->start = iomem->start;
@@ -325,6 +342,8 @@ static int t7l66xb_probe(struct platform_device *dev)
 		goto err_ioremap;
 	}
 
+	clk_enable(t7l66xb->clk48m);
+
 	if (pdata && pdata->enable)
 		pdata->enable(dev);
 
@@ -359,9 +378,13 @@ static int t7l66xb_probe(struct platform_device *dev)
 	iounmap(t7l66xb->scr);
 err_ioremap:
 	release_resource(&t7l66xb->rscr);
-err_noirq:
 err_request_scr:
 	kfree(t7l66xb);
+	clk_put(t7l66xb->clk48m);
+err_clk48m_get:
+	clk_put(t7l66xb->clk32k);
+err_clk32k_get:
+err_noirq:
 	return ret;
 }
 
@@ -372,7 +395,8 @@ static int t7l66xb_remove(struct platform_device *dev)
 	int ret;
 
 	ret = pdata->disable(dev);
-
+	clk_disable(t7l66xb->clk48m);
+	clk_put(t7l66xb->clk48m);
 	t7l66xb_detach_irq(dev);
 	iounmap(t7l66xb->scr);
 	release_resource(&t7l66xb->rscr);
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index a22b21ac6cf..43222c12fec 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -12,6 +12,7 @@
 
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
@@ -24,18 +25,22 @@ enum {
 #ifdef CONFIG_PM
 static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+	struct clk *clk32k = platform_get_drvdata(dev);
+	struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
 
 	if (pdata && pdata->suspend)
 		pdata->suspend(dev);
+	clk_disable(clk32k);
 
 	return 0;
 }
 
 static int tc6387xb_resume(struct platform_device *dev)
 {
-	struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+	struct clk *clk32k = platform_get_drvdata(dev);
+	struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
 
+	clk_enable(clk32k);
 	if (pdata && pdata->resume)
 		pdata->resume(dev);
 
@@ -51,10 +56,9 @@ static int tc6387xb_resume(struct platform_device *dev)
 static int tc6387xb_mmc_enable(struct platform_device *mmc)
 {
 	struct platform_device *dev      = to_platform_device(mmc->dev.parent);
-	struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+	struct clk *clk32k = platform_get_drvdata(dev);
 
-	if (tc6387xb->enable_clk32k)
-		tc6387xb->enable_clk32k(dev);
+	clk_enable(clk32k);
 
 	return 0;
 }
@@ -62,10 +66,9 @@ static int tc6387xb_mmc_enable(struct platform_device *mmc)
 static int tc6387xb_mmc_disable(struct platform_device *mmc)
 {
 	struct platform_device *dev      = to_platform_device(mmc->dev.parent);
-	struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+	struct clk *clk32k = platform_get_drvdata(dev);
 
-	if (tc6387xb->disable_clk32k)
-		tc6387xb->disable_clk32k(dev);
+	clk_disable(clk32k);
 
 	return 0;
 }
@@ -102,14 +105,14 @@ static struct mfd_cell tc6387xb_cells[] = {
 
 static int tc6387xb_probe(struct platform_device *dev)
 {
-	struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
+	struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
 	struct resource *iomem;
+	struct clk *clk32k;
 	int irq, ret;
 
 	iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	if (!iomem) {
-		ret = -EINVAL;
-		goto err_resource;
+		return -EINVAL;
 	}
 
 	ret  = platform_get_irq(dev, 0);
@@ -118,8 +121,15 @@ static int tc6387xb_probe(struct platform_device *dev)
 	else
 		goto err_resource;
 
-	if (data && data->enable)
-		data->enable(dev);
+	clk32k = clk_get(&dev->dev, "CLK_CK32K");
+	if (IS_ERR(clk32k)) {
+		ret = PTR_ERR(clk32k);
+		goto err_resource;
+	}
+	platform_set_drvdata(dev, clk32k);
+
+	if (pdata && pdata->enable)
+		pdata->enable(dev);
 
 	printk(KERN_INFO "Toshiba tc6387xb initialised\n");
 
@@ -134,18 +144,19 @@ static int tc6387xb_probe(struct platform_device *dev)
 	if (!ret)
 		return 0;
 
+	clk_put(clk32k);
 err_resource:
 	return ret;
 }
 
 static int tc6387xb_remove(struct platform_device *dev)
 {
-	struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
-
-	if (data && data->disable)
-		data->disable(dev);
+	struct clk *clk32k = platform_get_drvdata(dev);
 
-	/* FIXME - free the resources! */
+	mfd_remove_devices(&dev->dev);
+	clk_disable(clk32k);
+	clk_put(clk32k);
+	platform_set_drvdata(dev, NULL);
 
 	return 0;
 }
diff --git a/include/linux/mfd/t7l66xb.h b/include/linux/mfd/t7l66xb.h
index e83c7f2036f..b4629818aea 100644
--- a/include/linux/mfd/t7l66xb.h
+++ b/include/linux/mfd/t7l66xb.h
@@ -15,8 +15,6 @@
 #include <linux/mfd/tmio.h>
 
 struct t7l66xb_platform_data {
-	int (*enable_clk32k)(struct platform_device *dev);
-	void (*disable_clk32k)(struct platform_device *dev);
 	int (*enable)(struct platform_device *dev);
 	int (*disable)(struct platform_device *dev);
 	int (*suspend)(struct platform_device *dev);
diff --git a/include/linux/mfd/tc6387xb.h b/include/linux/mfd/tc6387xb.h
index fa06e0610b8..b4888209494 100644
--- a/include/linux/mfd/tc6387xb.h
+++ b/include/linux/mfd/tc6387xb.h
@@ -11,9 +11,6 @@
 #define MFD_TC6387XB_H
 
 struct tc6387xb_platform_data {
-	int (*enable_clk32k)(struct platform_device *dev);
-	void (*disable_clk32k)(struct platform_device *dev);
-
 	int (*enable)(struct platform_device *dev);
 	int (*disable)(struct platform_device *dev);
 	int (*suspend)(struct platform_device *dev);
-- 
GitLab


From c7752351c34d852ca0da697f812534101eecd82e Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 15 Oct 2008 12:28:06 +0200
Subject: [PATCH 1286/2224] mfd: Don't use NO_IRQ in WM8350

NO_IRQ is only defined on some architectures - the general way to test
for an invalid IRQ in the modern kernel is by comparing with zero.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/wm8350-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 25a7a5d08bc..bf87f675e7f 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1217,7 +1217,7 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
 
 	mutex_init(&wm8350->irq_mutex);
 	INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
-	if (irq != NO_IRQ) {
+	if (irq) {
 		ret = request_irq(irq, wm8350_irq, 0,
 				  "wm8350", wm8350);
 		if (ret != 0) {
-- 
GitLab


From e48318025477272d09720f09085cd0ec71caeb73 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 15 Oct 2008 13:29:07 +0200
Subject: [PATCH 1287/2224] mfd: ucb1400 sound driver uses/depends on AC97_BUS:

ERROR: "ac97_bus_type" [drivers/mfd/ucb1400_core.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 drivers/mfd/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index cccda99328f..57d972f39cf 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -52,6 +52,7 @@ config HTC_PASIC3
 
 config UCB1400_CORE
 	tristate "Philips UCB1400 Core driver"
+	depends on AC97_BUS
 	help
 	  This enables support for the Philips UCB1400 core functions.
 	  The UCB1400 is an AC97 audio codec.
-- 
GitLab


From 5a49a540df7c9984976aaabcb13f79ed5ce9672c Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 15 Oct 2008 13:30:47 +0200
Subject: [PATCH 1288/2224] mfd: ucb1400 needs GPIO

ia64 allmodconfig:

In file included from include/linux/ucb1400.h:27,
                 from drivers/mfd/ucb1400_core.c:24:
include/asm-generic/gpio.h: In function `gpio_get_value_cansleep':
include/asm-generic/gpio.h:147: error: implicit declaration of function `gpio_get_value'
include/asm-generic/gpio.h: In function `gpio_set_value_cansleep':
include/asm-generic/gpio.h:153: error: implicit declaration of function `gpio_set_value'
drivers/mfd/ucb1400_core.c: At top level:

Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 drivers/mfd/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 57d972f39cf..5a79d2d4cda 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -53,6 +53,7 @@ config HTC_PASIC3
 config UCB1400_CORE
 	tristate "Philips UCB1400 Core driver"
 	depends on AC97_BUS
+	depends on GPIOLIB
 	help
 	  This enables support for the Philips UCB1400 core functions.
 	  The UCB1400 is an AC97 audio codec.
-- 
GitLab


From 64c12e9b7edb0bfce9c5d7db43091b67894d8339 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 15 Oct 2008 13:50:20 +0200
Subject: [PATCH 1289/2224] mfd: further unbork the ucb1400 ac97_bus
 dependencies

Cc: "Randy.Dunlap" <rdunlap@xenotime.net>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 drivers/input/touchscreen/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 6e1e8c624f9..8317fdef169 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -219,7 +219,7 @@ config TOUCHSCREEN_ATMEL_TSADCC
 
 config TOUCHSCREEN_UCB1400
 	tristate "Philips UCB1400 touchscreen"
-	select AC97_BUS
+	depends on AC97_BUS
 	depends on UCB1400_CORE
 	help
 	  This enables support for the Philips UCB1400 touchscreen interface.
-- 
GitLab


From 9a8165fce724d1aba21e2c713ac6ba11dbfecafa Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Fri, 17 Oct 2008 21:03:20 -0400
Subject: [PATCH 1290/2224] cifs: track DeletePending flag in cifsInodeInfo

cifs: track DeletePending flag in cifsInodeInfo

The QPathInfo call returns a flag that indicates whether DELETE_ON_CLOSE
is set. Track it in the cifsInodeInfo.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/cifsfs.c   | 1 +
 fs/cifs/cifsglob.h | 1 +
 fs/cifs/cifssmb.c  | 2 ++
 fs/cifs/inode.c    | 1 +
 4 files changed, 5 insertions(+)

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 25ecbd5b040..c6aad775dd6 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -309,6 +309,7 @@ cifs_alloc_inode(struct super_block *sb)
 	file data or metadata */
 	cifs_inode->clientCanCacheRead = false;
 	cifs_inode->clientCanCacheAll = false;
+	cifs_inode->delete_pending = false;
 	cifs_inode->vfs_inode.i_blkbits = 14;  /* 2**14 = CIFS_MAX_MSGSIZE */
 
 	/* Can not set i_flags here - they get immediately overwritten
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 0d22479d99b..178f733a368 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -353,6 +353,7 @@ struct cifsInodeInfo {
 	bool clientCanCacheRead:1;	/* read oplock */
 	bool clientCanCacheAll:1;	/* read and writebehind oplock */
 	bool oplockPending:1;
+	bool delete_pending:1;		/* DELETE_ON_CLOSE is set */
 	struct inode vfs_inode;
 };
 
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 6f4ffe15d68..843a85fb8b9 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1309,6 +1309,7 @@ OldOpenRetry:
 				cpu_to_le64(le32_to_cpu(pSMBr->EndOfFile));
 			pfile_info->EndOfFile = pfile_info->AllocationSize;
 			pfile_info->NumberOfLinks = cpu_to_le32(1);
+			pfile_info->DeletePending = 0;
 		}
 	}
 
@@ -1410,6 +1411,7 @@ openRetry:
 		    pfile_info->AllocationSize = pSMBr->AllocationSize;
 		    pfile_info->EndOfFile = pSMBr->EndOfFile;
 		    pfile_info->NumberOfLinks = cpu_to_le32(1);
+		    pfile_info->DeletePending = 0;
 		}
 	}
 
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index fe4f2ee97b6..dea9eeb58b0 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -506,6 +506,7 @@ int cifs_get_inode_info(struct inode **pinode,
 	inode = *pinode;
 	cifsInfo = CIFS_I(inode);
 	cifsInfo->cifsAttrs = attr;
+	cifsInfo->delete_pending = pfindData->DeletePending ? true : false;
 	cFYI(1, ("Old time %ld", cifsInfo->time));
 	cifsInfo->time = jiffies;
 	cFYI(1, ("New time %ld", cifsInfo->time));
-- 
GitLab


From 3270958b717a13d0228803254609c19184854b9b Mon Sep 17 00:00:00 2001
From: Steve French <sfrench@us.ibm.com>
Date: Mon, 20 Oct 2008 00:44:19 +0000
Subject: [PATCH 1291/2224] [CIFS] undo changes in cifs_rename_pending_delete
 if it errors out

The cifs_rename_pending_delete process involves multiple steps. If it
fails and we're going to return error, we don't want to leave things in
a half-finished state. Add code to the function to undo changes if
a call fails.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/CHANGES  |   8 ++++
 fs/cifs/cifsfs.h |   2 +-
 fs/cifs/inode.c  | 102 ++++++++++++++++++++++++++++++++---------------
 3 files changed, 79 insertions(+), 33 deletions(-)

diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 06e521a945c..a7255751ffb 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,3 +1,10 @@
+Version 1.55
+------------
+Various fixes to make delete of open files behavior more predictable
+(when delete of an open file fails we mark the file as "delete-on-close"
+in a way that more servers accept, but only if we can first rename the
+file to a temporary name)
+
 Version 1.54
 ------------
 Fix premature write failure on congested networks (we would give up
@@ -13,6 +20,7 @@ on dns_upcall (resolving DFS referralls).  Fix plain text password
 authentication (requires setting SecurityFlags to 0x30030 to enable
 lanman and plain text though).  Fix writes to be at correct offset when
 file is open with O_APPEND and file is on a directio (forcediretio) mount.
+Fix bug in rewinding readdir directory searches.  Add nodfs mount option.
 
 Version 1.53
 ------------
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index f7b4a5cd837..074de0b5064 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -101,5 +101,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
 extern const struct export_operations cifs_export_ops;
 #endif /* EXPERIMENTAL */
 
-#define CIFS_VERSION   "1.54"
+#define CIFS_VERSION   "1.55"
 #endif				/* _CIFSFS_H */
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index dea9eeb58b0..232ab16d7fd 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -773,16 +773,17 @@ out:
  * anything else.
  */
 static int
-cifs_rename_pending_delete(char *full_path, struct inode *inode, int xid)
+cifs_rename_pending_delete(char *full_path, struct dentry *dentry, int xid)
 {
 	int oplock = 0;
 	int rc;
 	__u16 netfid;
+	struct inode *inode = dentry->d_inode;
 	struct cifsInodeInfo *cifsInode = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct cifsTconInfo *tcon = cifs_sb->tcon;
-	__u32 dosattr;
-	FILE_BASIC_INFO *info_buf;
+	__u32 dosattr, origattr;
+	FILE_BASIC_INFO *info_buf = NULL;
 
 	rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
 			 DELETE|FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR,
@@ -791,50 +792,87 @@ cifs_rename_pending_delete(char *full_path, struct inode *inode, int xid)
 	if (rc != 0)
 		goto out;
 
-	/* set ATTR_HIDDEN and clear ATTR_READONLY */
-	cifsInode = CIFS_I(inode);
-	dosattr = cifsInode->cifsAttrs & ~ATTR_READONLY;
+	origattr = cifsInode->cifsAttrs;
+	if (origattr == 0)
+		origattr |= ATTR_NORMAL;
+
+	dosattr = origattr & ~ATTR_READONLY;
 	if (dosattr == 0)
 		dosattr |= ATTR_NORMAL;
 	dosattr |= ATTR_HIDDEN;
 
-	info_buf = kzalloc(sizeof(*info_buf), GFP_KERNEL);
-	if (info_buf == NULL) {
-		rc = -ENOMEM;
-		goto out_close;
+	/* set ATTR_HIDDEN and clear ATTR_READONLY, but only if needed */
+	if (dosattr != origattr) {
+		info_buf = kzalloc(sizeof(*info_buf), GFP_KERNEL);
+		if (info_buf == NULL) {
+			rc = -ENOMEM;
+			goto out_close;
+		}
+		info_buf->Attributes = cpu_to_le32(dosattr);
+		rc = CIFSSMBSetFileInfo(xid, tcon, info_buf, netfid,
+					current->tgid);
+		/* although we would like to mark the file hidden
+ 		   if that fails we will still try to rename it */
+		if (rc != 0) {
+			cifsInode->cifsAttrs = dosattr;
+		else
+			dosattr = origattr; /* since not able to change them */
 	}
-	info_buf->Attributes = cpu_to_le32(dosattr);
-	rc = CIFSSMBSetFileInfo(xid, tcon, info_buf, netfid, current->tgid);
-	kfree(info_buf);
-	if (rc != 0)
-		goto out_close;
-	cifsInode->cifsAttrs = dosattr;
 
 	/* rename the file */
 	rc = CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls,
 				   cifs_sb->mnt_cifs_flags &
 					    CIFS_MOUNT_MAP_SPECIAL_CHR);
-	if (rc != 0)
-		goto out;
-
-	/* set DELETE_ON_CLOSE */
-	rc = CIFSSMBSetFileDisposition(xid, tcon, true, netfid, current->tgid);
+	if (rc != 0) {
+		rc = -ETXTBSY;
+		goto undo_setattr;
+	}
 
-	/*
-	 * some samba versions return -ENOENT when we try to set the file
-	 * disposition here. Likely a samba bug, but work around it for now.
-	 * This means that some cifsXXX files may hang around after they
-	 * shouldn't.
-	 *
-	 * BB: remove this once fixed samba servers are in the field
-	 */
-	if (rc == -ENOENT)
-		rc = 0;
+	/* try to set DELETE_ON_CLOSE */
+	if (!cifsInode->delete_pending) {
+		rc = CIFSSMBSetFileDisposition(xid, tcon, true, netfid,
+					       current->tgid);
+		/*
+		 * some samba versions return -ENOENT when we try to set the
+		 * file disposition here. Likely a samba bug, but work around
+		 * it for now. This means that some cifsXXX files may hang
+		 * around after they shouldn't.
+		 *
+		 * BB: remove this hack after more servers have the fix
+		 */
+		if (rc == -ENOENT)
+			rc = 0;
+		else if (rc != 0) {
+			rc = -ETXTBSY;
+			goto undo_rename;
+		}
+		cifsInode->delete_pending = true;
+	}
 
 out_close:
 	CIFSSMBClose(xid, tcon, netfid);
 out:
+	kfree(info_buf);
 	return rc;
+
+	/*
+	 * reset everything back to the original state. Don't bother
+	 * dealing with errors here since we can't do anything about
+	 * them anyway.
+	 */
+undo_rename:
+	CIFSSMBRenameOpenFile(xid, tcon, netfid, dentry->d_name.name,
+				cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
+					    CIFS_MOUNT_MAP_SPECIAL_CHR);
+undo_setattr:
+	if (dosattr != origattr) {
+		info_buf->Attributes = cpu_to_le32(origattr);
+		if (!CIFSSMBSetFileInfo(xid, tcon, info_buf, netfid,
+					current->tgid))
+			cifsInode->cifsAttrs = origattr;
+	}
+
+	goto out_close;
 }
 
 int cifs_unlink(struct inode *dir, struct dentry *dentry)
@@ -884,7 +922,7 @@ psx_del_no_retry:
 	} else if (rc == -ENOENT) {
 		d_drop(dentry);
 	} else if (rc == -ETXTBSY) {
-		rc = cifs_rename_pending_delete(full_path, inode, xid);
+		rc = cifs_rename_pending_delete(full_path, dentry, xid);
 		if (rc == 0)
 			drop_nlink(inode);
 	} else if (rc == -EACCES && dosattr == 0) {
-- 
GitLab


From 2967dab1ae37e30f1b71316513b49fd25c42eabe Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:41:43 +0900
Subject: [PATCH 1292/2224] sh: GPIO and pinmux base code

This patch adds gpio code together with the pinmux table parser.
In the future we should optimize this and switch back to gpiolib.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Kconfig            |   3 +
 arch/sh/include/asm/gpio.h |  92 ++++++-
 arch/sh/kernel/Makefile_32 |   2 +-
 arch/sh/kernel/Makefile_64 |   2 +-
 arch/sh/kernel/gpio.c      | 498 +++++++++++++++++++++++++++++++++++++
 5 files changed, 593 insertions(+), 4 deletions(-)
 create mode 100644 arch/sh/kernel/gpio.c

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index dca54ccdf29..b4aa2a03e19 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -59,6 +59,9 @@ config GENERIC_HARDIRQS_NO__DO_IRQ
 config GENERIC_IRQ_PROBE
 	def_bool y
 
+config GENERIC_GPIO
+	def_bool n
+
 config GENERIC_CALIBRATE_DELAY
 	bool
 
diff --git a/arch/sh/include/asm/gpio.h b/arch/sh/include/asm/gpio.h
index cf32bd2df88..9650e7c9c39 100644
--- a/arch/sh/include/asm/gpio.h
+++ b/arch/sh/include/asm/gpio.h
@@ -1,9 +1,9 @@
 /*
  *  include/asm-sh/gpio.h
  *
- *  Copyright (C) 2007 Markus Brunner, Mark Jonas
+ * Generic GPIO API and pinmux table support for SuperH.
  *
- *  Addresses for the Pin Function Controller
+ * Copyright (c) 2008 Magnus Damm
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -16,4 +16,92 @@
 #include <cpu/gpio.h>
 #endif
 
+typedef unsigned short pinmux_enum_t;
+typedef unsigned char pinmux_flag_t;
+
+#define PINMUX_TYPE_NONE            0
+#define PINMUX_TYPE_FUNCTION        1
+#define PINMUX_TYPE_GPIO            2
+#define PINMUX_TYPE_OUTPUT          3
+#define PINMUX_TYPE_INPUT           4
+#define PINMUX_TYPE_INPUT_PULLUP    5
+#define PINMUX_TYPE_INPUT_PULLDOWN  6
+
+#define PINMUX_FLAG_TYPE            (0x7)
+#define PINMUX_FLAG_WANT_PULLUP     (1 << 3)
+#define PINMUX_FLAG_WANT_PULLDOWN   (1 << 4)
+
+struct pinmux_gpio {
+	pinmux_enum_t enum_id;
+	pinmux_flag_t flags;
+};
+
+#define PINMUX_GPIO(gpio, data_or_mark) [gpio] = { data_or_mark }
+#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
+
+struct pinmux_cfg_reg {
+	unsigned long reg, reg_width, field_width;
+	unsigned long *cnt;
+	pinmux_enum_t *enum_ids;
+};
+
+#define PINMUX_CFG_REG(name, r, r_width, f_width) \
+	.reg = r, .reg_width = r_width, .field_width = f_width,		\
+	.cnt = (unsigned long [r_width / f_width]) {}, \
+	.enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)]) \
+
+struct pinmux_data_reg {
+	unsigned long reg, reg_width;
+	pinmux_enum_t *enum_ids;
+};
+
+#define PINMUX_DATA_REG(name, r, r_width) \
+	.reg = r, .reg_width = r_width,	\
+	.enum_ids = (pinmux_enum_t [r_width]) \
+
+struct pinmux_range {
+	pinmux_enum_t begin;
+	pinmux_enum_t end;
+};
+
+struct pinmux_info {
+	char *name;
+	pinmux_enum_t reserved_id;
+	struct pinmux_range data;
+	struct pinmux_range input;
+	struct pinmux_range input_pd;
+	struct pinmux_range input_pu;
+	struct pinmux_range output;
+	struct pinmux_range mark;
+	struct pinmux_range function;
+
+	unsigned first_gpio, last_gpio;
+
+	struct pinmux_gpio *gpios;
+	struct pinmux_cfg_reg *cfg_regs;
+	struct pinmux_data_reg *data_regs;
+
+	pinmux_enum_t *gpio_data;
+	unsigned int gpio_data_size;
+
+	unsigned long *gpio_in_use;
+};
+
+int register_pinmux(struct pinmux_info *pip);
+
+int __gpio_request(unsigned gpio);
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+	return __gpio_request(gpio);
+}
+void gpio_free(unsigned gpio);
+int gpio_direction_input(unsigned gpio);
+int gpio_direction_output(unsigned gpio, int value);
+int gpio_get_value(unsigned gpio);
+void gpio_set_value(unsigned gpio, int value);
+static inline int gpio_export(unsigned gpio, bool direction_may_change)
+{
+	return 0;
+}
+
 #endif /* __ASM_SH_GPIO_H */
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 8497de8afbf..7c41ac7c298 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -5,7 +5,7 @@
 extra-y	:= head_32.o init_task.o vmlinux.lds
 
 obj-y	:= debugtraps.o io.o io_generic.o irq.o machvec.o process_32.o \
-	   ptrace_32.o setup.o signal_32.o sys_sh.o sys_sh32.o \
+	   ptrace_32.o setup.o signal_32.o sys_sh.o sys_sh32.o gpio.o \
 	   syscalls_32.o time_32.o topology.o traps.o traps_32.o
 
 obj-y				+= cpu/ timers/
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index e987eb2e9bb..2a7a5e694a1 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -1,7 +1,7 @@
 extra-y	:= head_64.o init_task.o vmlinux.lds
 
 obj-y	:= debugtraps.o io.o io_generic.o irq.o machvec.o process_64.o \
-	   ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o \
+	   ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o gpio.o \
 	   syscalls_64.o time_64.o topology.o traps.o traps_64.o
 
 obj-y				+= cpu/ timers/
diff --git a/arch/sh/kernel/gpio.c b/arch/sh/kernel/gpio.c
new file mode 100644
index 00000000000..bb8b812c689
--- /dev/null
+++ b/arch/sh/kernel/gpio.c
@@ -0,0 +1,498 @@
+/*
+ * Pinmuxed GPIO support for SuperH.
+ *
+ * Copyright (C) 2008 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/bitops.h>
+#include <linux/gpio.h>
+
+static struct pinmux_info *registered_gpio;
+
+static struct pinmux_info *gpio_controller(unsigned gpio)
+{
+	if (!registered_gpio)
+		return NULL;
+
+	if (gpio < registered_gpio->first_gpio)
+		return NULL;
+
+	if (gpio > registered_gpio->last_gpio)
+		return NULL;
+
+	return registered_gpio;
+}
+
+static int enum_in_range(pinmux_enum_t enum_id, struct pinmux_range *r)
+{
+	if (enum_id < r->begin)
+		return 0;
+
+	if (enum_id > r->end)
+		return 0;
+
+	return 1;
+}
+
+static int read_write_reg(unsigned long reg, unsigned long reg_width,
+			  unsigned long field_width, unsigned long in_pos,
+			  unsigned long value, int do_write)
+{
+	unsigned long data, mask, pos;
+
+	data = 0;
+	mask = (1 << field_width) - 1;
+	pos = reg_width - ((in_pos + 1) * field_width);
+
+#ifdef DEBUG
+	pr_info("%s, addr = %lx, value = %ld, pos = %ld, "
+		"r_width = %ld, f_width = %ld\n",
+		do_write ? "write" : "read", reg, value, pos,
+		reg_width, field_width);
+#endif
+
+	switch (reg_width) {
+	case 8:
+		data = ctrl_inb(reg);
+		break;
+	case 16:
+		data = ctrl_inw(reg);
+		break;
+	case 32:
+		data = ctrl_inl(reg);
+		break;
+	}
+
+	if (!do_write)
+		return (data >> pos) & mask;
+
+	data &= ~(mask << pos);
+	data |= value << pos;
+
+	switch (reg_width) {
+	case 8:
+		ctrl_outb(data, reg);
+		break;
+	case 16:
+		ctrl_outw(data, reg);
+		break;
+	case 32:
+		ctrl_outl(data, reg);
+		break;
+	}
+	return 0;
+}
+
+static int get_data_reg(struct pinmux_info *gpioc, unsigned gpio,
+			struct pinmux_data_reg **drp, int *bitp)
+{
+	pinmux_enum_t enum_id = gpioc->gpios[gpio].enum_id;
+	struct pinmux_data_reg *data_reg;
+	int k, n;
+
+	if (!enum_in_range(enum_id, &gpioc->data))
+		return -1;
+
+	k = 0;
+	while (1) {
+		data_reg = gpioc->data_regs + k;
+
+		if (!data_reg->reg_width)
+			break;
+
+		for (n = 0; n < data_reg->reg_width; n++) {
+			if (data_reg->enum_ids[n] == enum_id) {
+				*drp = data_reg;
+				*bitp = n;
+				return 0;
+
+			}
+		}
+		k++;
+	}
+
+	return -1;
+}
+
+static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id,
+			  struct pinmux_cfg_reg **crp, int *indexp,
+			  unsigned long **cntp)
+{
+	struct pinmux_cfg_reg *config_reg;
+	unsigned long r_width, f_width;
+	int k, n;
+
+	k = 0;
+	while (1) {
+		config_reg = gpioc->cfg_regs + k;
+
+		r_width = config_reg->reg_width;
+		f_width = config_reg->field_width;
+
+		if (!r_width)
+			break;
+		for (n = 0; n < (r_width / f_width) * 1 << f_width; n++) {
+			if (config_reg->enum_ids[n] == enum_id) {
+				*crp = config_reg;
+				*indexp = n;
+				*cntp = &config_reg->cnt[n / (1 << f_width)];
+				return 0;
+			}
+		}
+		k++;
+	}
+
+	return -1;
+}
+
+static int get_gpio_enum_id(struct pinmux_info *gpioc, unsigned gpio,
+			    int pos, pinmux_enum_t *enum_idp)
+{
+	pinmux_enum_t enum_id = gpioc->gpios[gpio].enum_id;
+	pinmux_enum_t *data = gpioc->gpio_data;
+	int k;
+
+	if (!enum_in_range(enum_id, &gpioc->data)) {
+		if (!enum_in_range(enum_id, &gpioc->mark)) {
+			pr_err("non data/mark enum_id for gpio %d\n", gpio);
+			return -1;
+		}
+	}
+
+	if (pos) {
+		*enum_idp = data[pos + 1];
+		return pos + 1;
+	}
+
+	for (k = 0; k < gpioc->gpio_data_size; k++) {
+		if (data[k] == enum_id) {
+			*enum_idp = data[k + 1];
+			return k + 1;
+		}
+	}
+
+	pr_err("cannot locate data/mark enum_id for gpio %d\n", gpio);
+	return -1;
+}
+
+static int write_config_reg(struct pinmux_info *gpioc,
+			    struct pinmux_cfg_reg *crp,
+			    int index)
+{
+	unsigned long ncomb, pos, value;
+
+	ncomb = 1 << crp->field_width;
+	pos = index / ncomb;
+	value = index % ncomb;
+
+	return read_write_reg(crp->reg, crp->reg_width,
+			      crp->field_width, pos, value, 1);
+}
+
+static int check_config_reg(struct pinmux_info *gpioc,
+			    struct pinmux_cfg_reg *crp,
+			    int index)
+{
+	unsigned long ncomb, pos, value;
+
+	ncomb = 1 << crp->field_width;
+	pos = index / ncomb;
+	value = index % ncomb;
+
+	if (read_write_reg(crp->reg, crp->reg_width,
+			   crp->field_width, pos, 0, 0) == value)
+		return 0;
+
+	return -1;
+}
+
+enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
+
+int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
+		       int pinmux_type, int cfg_mode)
+{
+	struct pinmux_cfg_reg *cr = NULL;
+	pinmux_enum_t enum_id;
+	struct pinmux_range *range;
+	int in_range, pos, index;
+	unsigned long *cntp;
+
+	switch (pinmux_type) {
+
+	case PINMUX_TYPE_FUNCTION:
+		range = NULL;
+		break;
+
+	case PINMUX_TYPE_OUTPUT:
+		range = &gpioc->output;
+		break;
+
+	case PINMUX_TYPE_INPUT:
+		range = &gpioc->input;
+		break;
+
+	case PINMUX_TYPE_INPUT_PULLUP:
+		range = &gpioc->input_pu;
+		break;
+
+	case PINMUX_TYPE_INPUT_PULLDOWN:
+		range = &gpioc->input_pd;
+		break;
+
+	default:
+		goto out_err;
+	}
+
+	pos = 0;
+	enum_id = 0;
+	index = 0;
+	while (1) {
+		pos = get_gpio_enum_id(gpioc, gpio, pos, &enum_id);
+		if (pos <= 0)
+			goto out_err;
+
+		if (!enum_id)
+			break;
+
+		in_range = enum_in_range(enum_id, &gpioc->function);
+		if (!in_range && range)
+			in_range = enum_in_range(enum_id, range);
+
+		if (!in_range)
+			continue;
+
+		if (get_config_reg(gpioc, enum_id, &cr, &index, &cntp) != 0)
+			goto out_err;
+
+		switch (cfg_mode) {
+		case GPIO_CFG_DRYRUN:
+			if (!*cntp || !check_config_reg(gpioc, cr, index))
+				continue;
+			break;
+
+		case GPIO_CFG_REQ:
+			if (write_config_reg(gpioc, cr, index) != 0)
+				goto out_err;
+			*cntp = *cntp + 1;
+			break;
+
+		case GPIO_CFG_FREE:
+			*cntp = *cntp - 1;
+			break;
+		}
+	}
+
+	return 0;
+ out_err:
+	return -1;
+}
+
+static DEFINE_SPINLOCK(gpio_lock);
+
+int __gpio_request(unsigned gpio)
+{
+	struct pinmux_info *gpioc = gpio_controller(gpio);
+	struct pinmux_data_reg *dummy;
+	unsigned long flags;
+	int i, ret, pinmux_type;
+
+	ret = -EINVAL;
+
+	if (!gpioc)
+		goto err_out;
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	if ((gpioc->gpios[gpio].flags & PINMUX_FLAG_TYPE) != PINMUX_TYPE_NONE)
+		goto err_unlock;
+
+	/* setup pin function here if no data is associated with pin */
+
+	if (get_data_reg(gpioc, gpio, &dummy, &i) != 0)
+		pinmux_type = PINMUX_TYPE_FUNCTION;
+	else
+		pinmux_type = PINMUX_TYPE_GPIO;
+
+	if (pinmux_type == PINMUX_TYPE_FUNCTION) {
+		if (pinmux_config_gpio(gpioc, gpio,
+				       pinmux_type,
+				       GPIO_CFG_DRYRUN) != 0)
+			goto err_unlock;
+
+		if (pinmux_config_gpio(gpioc, gpio,
+				       pinmux_type,
+				       GPIO_CFG_REQ) != 0)
+			BUG();
+	}
+
+	gpioc->gpios[gpio].flags = pinmux_type;
+
+	ret = 0;
+ err_unlock:
+	spin_unlock_irqrestore(&gpio_lock, flags);
+ err_out:
+	return ret;
+}
+EXPORT_SYMBOL(__gpio_request);
+
+void gpio_free(unsigned gpio)
+{
+	struct pinmux_info *gpioc = gpio_controller(gpio);
+	unsigned long flags;
+	int pinmux_type;
+
+	if (!gpioc)
+		return;
+
+	spin_lock_irqsave(&gpio_lock, flags);
+
+	pinmux_type = gpioc->gpios[gpio].flags & PINMUX_FLAG_TYPE;
+	pinmux_config_gpio(gpioc, gpio, pinmux_type, GPIO_CFG_FREE);
+	gpioc->gpios[gpio].flags = PINMUX_TYPE_NONE;
+
+	spin_unlock_irqrestore(&gpio_lock, flags);
+}
+EXPORT_SYMBOL(gpio_free);
+
+static int pinmux_direction(struct pinmux_info *gpioc,
+			    unsigned gpio, int new_pinmux_type)
+{
+	int ret, pinmux_type;
+
+	ret = -EINVAL;
+	pinmux_type = gpioc->gpios[gpio].flags & PINMUX_FLAG_TYPE;
+
+	switch (pinmux_type) {
+	case PINMUX_TYPE_GPIO:
+		break;
+	case PINMUX_TYPE_OUTPUT:
+	case PINMUX_TYPE_INPUT:
+	case PINMUX_TYPE_INPUT_PULLUP:
+	case PINMUX_TYPE_INPUT_PULLDOWN:
+		pinmux_config_gpio(gpioc, gpio, pinmux_type, GPIO_CFG_FREE);
+		break;
+	default:
+		goto err_out;
+	}
+
+	if (pinmux_config_gpio(gpioc, gpio,
+			       new_pinmux_type,
+			       GPIO_CFG_DRYRUN) != 0)
+		goto err_out;
+
+	if (pinmux_config_gpio(gpioc, gpio,
+			       new_pinmux_type,
+			       GPIO_CFG_REQ) != 0)
+		BUG();
+
+	gpioc->gpios[gpio].flags = new_pinmux_type;
+
+	ret = 0;
+ err_out:
+	return ret;
+}
+
+int gpio_direction_input(unsigned gpio)
+{
+	struct pinmux_info *gpioc = gpio_controller(gpio);
+	unsigned long flags;
+	int ret = -EINVAL;
+
+	if (!gpioc)
+		goto err_out;
+
+	spin_lock_irqsave(&gpio_lock, flags);
+	ret = pinmux_direction(gpioc, gpio, PINMUX_TYPE_INPUT);
+	spin_unlock_irqrestore(&gpio_lock, flags);
+ err_out:
+	return ret;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+static int __gpio_get_set_value(struct pinmux_info *gpioc,
+				unsigned gpio, int value,
+				int do_write)
+{
+	struct pinmux_data_reg *dr = NULL;
+	int bit = 0;
+
+	if (get_data_reg(gpioc, gpio, &dr, &bit) != 0)
+		BUG();
+	else
+		value = read_write_reg(dr->reg, dr->reg_width,
+				       1, bit, value, do_write);
+
+	return value;
+}
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+	struct pinmux_info *gpioc = gpio_controller(gpio);
+	unsigned long flags;
+	int ret = -EINVAL;
+
+	if (!gpioc)
+		goto err_out;
+
+	spin_lock_irqsave(&gpio_lock, flags);
+	__gpio_get_set_value(gpioc, gpio, value, 1);
+	ret = pinmux_direction(gpioc, gpio, PINMUX_TYPE_OUTPUT);
+	spin_unlock_irqrestore(&gpio_lock, flags);
+ err_out:
+	return ret;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
+int gpio_get_value(unsigned gpio)
+{
+	struct pinmux_info *gpioc = gpio_controller(gpio);
+	unsigned long flags;
+	int value = 0;
+
+	if (!gpioc)
+		BUG();
+	else {
+		spin_lock_irqsave(&gpio_lock, flags);
+		value = __gpio_get_set_value(gpioc, gpio, 0, 0);
+		spin_unlock_irqrestore(&gpio_lock, flags);
+	}
+
+	return value;
+}
+EXPORT_SYMBOL(gpio_get_value);
+
+void gpio_set_value(unsigned gpio, int value)
+{
+	struct pinmux_info *gpioc = gpio_controller(gpio);
+	unsigned long flags;
+
+	if (!gpioc)
+		BUG();
+	else {
+		spin_lock_irqsave(&gpio_lock, flags);
+		__gpio_get_set_value(gpioc, gpio, value, 1);
+		spin_unlock_irqrestore(&gpio_lock, flags);
+	}
+}
+EXPORT_SYMBOL(gpio_set_value);
+
+int register_pinmux(struct pinmux_info *pip)
+{
+	registered_gpio = pip;
+	pr_info("pinmux: %s handling gpio %d -> %d\n",
+		pip->name, pip->first_gpio, pip->last_gpio);
+
+	return 0;
+}
-- 
GitLab


From 8d7b5b0af7e070b9ae0852541f67aa84da078315 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:41:52 +0900
Subject: [PATCH 1293/2224] sh: Add sh7722 pinmux code

This patch adds pinmux and gpio support for the sh7722 processor.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/sh7722.h            |  210 +++
 arch/sh/kernel/cpu/sh4a/Makefile        |    4 +
 arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c | 1783 +++++++++++++++++++++++
 3 files changed, 1997 insertions(+)
 create mode 100644 arch/sh/include/asm/sh7722.h
 create mode 100644 arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c

diff --git a/arch/sh/include/asm/sh7722.h b/arch/sh/include/asm/sh7722.h
new file mode 100644
index 00000000000..4b3096f5307
--- /dev/null
+++ b/arch/sh/include/asm/sh7722.h
@@ -0,0 +1,210 @@
+#ifndef __ASM_SH7722_H__
+#define __ASM_SH7722_H__
+
+enum {
+	/* PTA */
+	GPIO_PTA7, GPIO_PTA6, GPIO_PTA5, GPIO_PTA4,
+	GPIO_PTA3, GPIO_PTA2, GPIO_PTA1, GPIO_PTA0,
+
+	/* PTB */
+	GPIO_PTB7, GPIO_PTB6, GPIO_PTB5, GPIO_PTB4,
+	GPIO_PTB3, GPIO_PTB2, GPIO_PTB1, GPIO_PTB0,
+
+	/* PTC */
+	GPIO_PTC7, GPIO_PTC5, GPIO_PTC4, GPIO_PTC3,
+	GPIO_PTC2, GPIO_PTC0,
+
+	/* PTD */
+	GPIO_PTD7, GPIO_PTD6, GPIO_PTD5, GPIO_PTD4,
+	GPIO_PTD3, GPIO_PTD2, GPIO_PTD1, GPIO_PTD0,
+
+	/* PTE */
+	GPIO_PTE7, GPIO_PTE6, GPIO_PTE5, GPIO_PTE4,
+	GPIO_PTE1, GPIO_PTE0,
+
+	/* PTF */
+	GPIO_PTF6, GPIO_PTF5, GPIO_PTF4, GPIO_PTF3,
+	GPIO_PTF2, GPIO_PTF1, GPIO_PTF0,
+
+	/* PTG */
+	GPIO_PTG4, GPIO_PTG3, GPIO_PTG2, GPIO_PTG1, GPIO_PTG0,
+
+	/* PTH */
+	GPIO_PTH7, GPIO_PTH6, GPIO_PTH5, GPIO_PTH4,
+	GPIO_PTH3, GPIO_PTH2, GPIO_PTH1, GPIO_PTH0,
+
+	/* PTJ */
+	GPIO_PTJ7, GPIO_PTJ6, GPIO_PTJ5, GPIO_PTJ1, GPIO_PTJ0,
+
+	/* PTK */
+	GPIO_PTK6, GPIO_PTK5, GPIO_PTK4, GPIO_PTK3,
+	GPIO_PTK2, GPIO_PTK1, GPIO_PTK0,
+
+	/* PTL */
+	GPIO_PTL7, GPIO_PTL6, GPIO_PTL5, GPIO_PTL4,
+	GPIO_PTL3, GPIO_PTL2, GPIO_PTL1, GPIO_PTL0,
+
+	/* PTM */
+	GPIO_PTM7, GPIO_PTM6, GPIO_PTM5, GPIO_PTM4,
+	GPIO_PTM3, GPIO_PTM2, GPIO_PTM1, GPIO_PTM0,
+
+	/* PTN */
+	GPIO_PTN7, GPIO_PTN6, GPIO_PTN5, GPIO_PTN4,
+	GPIO_PTN3, GPIO_PTN2, GPIO_PTN1, GPIO_PTN0,
+
+	/* PTQ */
+	GPIO_PTQ7, GPIO_PTQ6, GPIO_PTQ5, GPIO_PTQ4,
+	GPIO_PTQ3, GPIO_PTQ2, GPIO_PTQ1, GPIO_PTQ0,
+
+	/* PTR */
+	GPIO_PTR4, GPIO_PTR3, GPIO_PTR2, GPIO_PTR1, GPIO_PTR0,
+
+	/* PTS */
+	GPIO_PTS4, GPIO_PTS3, GPIO_PTS2, GPIO_PTS1, GPIO_PTS0,
+
+	/* PTT */
+	GPIO_PTT4, GPIO_PTT3, GPIO_PTT2, GPIO_PTT1, GPIO_PTT0,
+
+	/* PTU */
+	GPIO_PTU4, GPIO_PTU3, GPIO_PTU2, GPIO_PTU1, GPIO_PTU0,
+
+	/* PTV */
+	GPIO_PTV4, GPIO_PTV3, GPIO_PTV2, GPIO_PTV1, GPIO_PTV0,
+
+	/* PTW */
+	GPIO_PTW6, GPIO_PTW5, GPIO_PTW4, GPIO_PTW3,
+	GPIO_PTW2, GPIO_PTW1, GPIO_PTW0,
+
+	/* PTX */
+	GPIO_PTX6, GPIO_PTX5, GPIO_PTX4, GPIO_PTX3,
+	GPIO_PTX2, GPIO_PTX1, GPIO_PTX0,
+
+	/* PTY */
+	GPIO_PTY5, GPIO_PTY4, GPIO_PTY3, GPIO_PTY2,
+	GPIO_PTY1, GPIO_PTY0,
+
+	/* PTZ */
+	GPIO_PTZ5, GPIO_PTZ4, GPIO_PTZ3, GPIO_PTZ2, GPIO_PTZ1,
+
+	/* SCIF0 */
+	GPIO_FN_SCIF0_TXD, GPIO_FN_SCIF0_RXD,
+	GPIO_FN_SCIF0_RTS, GPIO_FN_SCIF0_CTS, GPIO_FN_SCIF0_SCK,
+
+	/* SCIF1 */
+	GPIO_FN_SCIF1_TXD, GPIO_FN_SCIF1_RXD,
+	GPIO_FN_SCIF1_RTS, GPIO_FN_SCIF1_CTS, GPIO_FN_SCIF1_SCK,
+
+	/* SCIF2 */
+	GPIO_FN_SCIF2_TXD, GPIO_FN_SCIF2_RXD,
+	GPIO_FN_SCIF2_RTS, GPIO_FN_SCIF2_CTS, GPIO_FN_SCIF2_SCK,
+
+	/* SIO */
+	GPIO_FN_SIOTXD, GPIO_FN_SIORXD,
+	GPIO_FN_SIOD, GPIO_FN_SIOSTRB0, GPIO_FN_SIOSTRB1,
+	GPIO_FN_SIOSCK, GPIO_FN_SIOMCK,
+
+	/* CEU */
+	GPIO_FN_VIO_D15, GPIO_FN_VIO_D14, GPIO_FN_VIO_D13, GPIO_FN_VIO_D12,
+	GPIO_FN_VIO_D11, GPIO_FN_VIO_D10, GPIO_FN_VIO_D9, GPIO_FN_VIO_D8,
+	GPIO_FN_VIO_D7, GPIO_FN_VIO_D6, GPIO_FN_VIO_D5, GPIO_FN_VIO_D4,
+	GPIO_FN_VIO_D3, GPIO_FN_VIO_D2, GPIO_FN_VIO_D1, GPIO_FN_VIO_D0,
+	GPIO_FN_VIO_FLD, GPIO_FN_VIO_CKO, GPIO_FN_VIO_STEX, GPIO_FN_VIO_STEM,
+	GPIO_FN_VIO_VD, GPIO_FN_VIO_HD, GPIO_FN_VIO_CLK,
+	GPIO_FN_VIO_VD2, GPIO_FN_VIO_HD2, GPIO_FN_VIO_CLK2,
+
+	/* LCDC */
+	GPIO_FN_LCDD23, GPIO_FN_LCDD22, GPIO_FN_LCDD21, GPIO_FN_LCDD20,
+	GPIO_FN_LCDD19, GPIO_FN_LCDD18, GPIO_FN_LCDD17, GPIO_FN_LCDD16,
+	GPIO_FN_LCDD15, GPIO_FN_LCDD14, GPIO_FN_LCDD13, GPIO_FN_LCDD12,
+	GPIO_FN_LCDD11, GPIO_FN_LCDD10, GPIO_FN_LCDD9, GPIO_FN_LCDD8,
+	GPIO_FN_LCDD7, GPIO_FN_LCDD6, GPIO_FN_LCDD5, GPIO_FN_LCDD4,
+	GPIO_FN_LCDD3, GPIO_FN_LCDD2, GPIO_FN_LCDD1, GPIO_FN_LCDD0,
+	GPIO_FN_LCDLCLK,
+	/* Main LCD */
+	GPIO_FN_LCDDON, GPIO_FN_LCDVCPWC, GPIO_FN_LCDVEPWC, GPIO_FN_LCDVSYN,
+	/* Main LCD - RGB Mode */
+	GPIO_FN_LCDDCK, GPIO_FN_LCDHSYN, GPIO_FN_LCDDISP,
+	/* Main LCD - SYS Mode */
+	GPIO_FN_LCDRS, GPIO_FN_LCDCS, GPIO_FN_LCDWR, GPIO_FN_LCDRD,
+	/* Sub LCD - SYS Mode */
+	GPIO_FN_LCDDON2, GPIO_FN_LCDVCPWC2, GPIO_FN_LCDVEPWC2,
+	GPIO_FN_LCDVSYN2, GPIO_FN_LCDCS2,
+
+	/* BSC */
+	GPIO_FN_IOIS16, GPIO_FN_A25, GPIO_FN_A24, GPIO_FN_A23, GPIO_FN_A22,
+	GPIO_FN_BS, GPIO_FN_CS6B_CE1B, GPIO_FN_WAIT, GPIO_FN_CS6A_CE2B,
+
+	/* SBSC */
+	GPIO_FN_HPD63, GPIO_FN_HPD62, GPIO_FN_HPD61, GPIO_FN_HPD60,
+	GPIO_FN_HPD59, GPIO_FN_HPD58, GPIO_FN_HPD57, GPIO_FN_HPD56,
+	GPIO_FN_HPD55, GPIO_FN_HPD54, GPIO_FN_HPD53, GPIO_FN_HPD52,
+	GPIO_FN_HPD51, GPIO_FN_HPD50, GPIO_FN_HPD49, GPIO_FN_HPD48,
+	GPIO_FN_HPDQM7, GPIO_FN_HPDQM6, GPIO_FN_HPDQM5, GPIO_FN_HPDQM4,
+
+	/* IRQ */
+	GPIO_FN_IRQ0, GPIO_FN_IRQ1, GPIO_FN_IRQ2, GPIO_FN_IRQ3,
+	GPIO_FN_IRQ4, GPIO_FN_IRQ5, GPIO_FN_IRQ6, GPIO_FN_IRQ7,
+
+	/* SDHI */
+	GPIO_FN_SDHICD, GPIO_FN_SDHIWP, GPIO_FN_SDHID3, GPIO_FN_SDHID2,
+	GPIO_FN_SDHID1, GPIO_FN_SDHID0, GPIO_FN_SDHICMD, GPIO_FN_SDHICLK,
+
+	/* SIU - Port A */
+	GPIO_FN_SIUAOLR, GPIO_FN_SIUAOBT, GPIO_FN_SIUAISLD, GPIO_FN_SIUAILR,
+	GPIO_FN_SIUAIBT, GPIO_FN_SIUAOSLD, GPIO_FN_SIUMCKA, GPIO_FN_SIUFCKA,
+
+	/* SIU - Port B */
+	GPIO_FN_SIUBOLR, GPIO_FN_SIUBOBT, GPIO_FN_SIUBISLD, GPIO_FN_SIUBILR,
+	GPIO_FN_SIUBIBT, GPIO_FN_SIUBOSLD, GPIO_FN_SIUMCKB, GPIO_FN_SIUFCKB,
+
+	/* AUD */
+	GPIO_FN_AUDSYNC, GPIO_FN_AUDATA3, GPIO_FN_AUDATA2, GPIO_FN_AUDATA1,
+	GPIO_FN_AUDATA0,
+
+	/* DMAC */
+	GPIO_FN_DACK, GPIO_FN_DREQ0,
+
+	/* VOU */
+	GPIO_FN_DV_CLKI, GPIO_FN_DV_CLK, GPIO_FN_DV_HSYNC, GPIO_FN_DV_VSYNC,
+	GPIO_FN_DV_D15, GPIO_FN_DV_D14, GPIO_FN_DV_D13, GPIO_FN_DV_D12,
+	GPIO_FN_DV_D11, GPIO_FN_DV_D10, GPIO_FN_DV_D9, GPIO_FN_DV_D8,
+	GPIO_FN_DV_D7, GPIO_FN_DV_D6, GPIO_FN_DV_D5, GPIO_FN_DV_D4,
+	GPIO_FN_DV_D3, GPIO_FN_DV_D2, GPIO_FN_DV_D1, GPIO_FN_DV_D0,
+
+	/* CPG */
+	GPIO_FN_STATUS0, GPIO_FN_PDSTATUS,
+
+	/* SIOF0 */
+	GPIO_FN_SIOF0_MCK, GPIO_FN_SIOF0_SCK,
+	GPIO_FN_SIOF0_SYNC, GPIO_FN_SIOF0_SS1, GPIO_FN_SIOF0_SS2,
+	GPIO_FN_SIOF0_TXD, GPIO_FN_SIOF0_RXD,
+
+	/* SIOF1 */
+	GPIO_FN_SIOF1_MCK, GPIO_FN_SIOF1_SCK,
+	GPIO_FN_SIOF1_SYNC, GPIO_FN_SIOF1_SS1, GPIO_FN_SIOF1_SS2,
+	GPIO_FN_SIOF1_TXD, GPIO_FN_SIOF1_RXD,
+
+	/* SIM */
+	GPIO_FN_SIM_D, GPIO_FN_SIM_CLK, GPIO_FN_SIM_RST,
+
+	/* TSIF */
+	GPIO_FN_TS_SDAT, GPIO_FN_TS_SCK, GPIO_FN_TS_SDEN, GPIO_FN_TS_SPSYNC,
+
+	/* IRDA */
+	GPIO_FN_IRDA_IN, GPIO_FN_IRDA_OUT,
+
+	/* TPU */
+	GPIO_FN_TPUTO,
+
+	/* FLCTL */
+	GPIO_FN_FCE, GPIO_FN_NAF7, GPIO_FN_NAF6, GPIO_FN_NAF5, GPIO_FN_NAF4,
+	GPIO_FN_NAF3, GPIO_FN_NAF2, GPIO_FN_NAF1, GPIO_FN_NAF0, GPIO_FN_FCDE,
+	GPIO_FN_FOE, GPIO_FN_FSC, GPIO_FN_FWE, GPIO_FN_FRB,
+
+	/* KEYSC */
+	GPIO_FN_KEYIN0, GPIO_FN_KEYIN1, GPIO_FN_KEYIN2, GPIO_FN_KEYIN3,
+	GPIO_FN_KEYIN4, GPIO_FN_KEYOUT0, GPIO_FN_KEYOUT1, GPIO_FN_KEYOUT2,
+	GPIO_FN_KEYOUT3, GPIO_FN_KEYOUT4_IN6, GPIO_FN_KEYOUT5_IN5,
+};
+
+#endif /* __ASM_SH7722_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index 9381ad8da26..aced813b03c 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -27,5 +27,9 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7723)	:= clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7366)	:= clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o
 
+# Pinmux setup
+pinmux-$(CONFIG_CPU_SUBTYPE_SH7722)	:= pinmux-sh7722.o
+
 obj-y			+= $(clock-y)
 obj-$(CONFIG_SMP)	+= $(smp-y)
+obj-$(CONFIG_GENERIC_GPIO)	+= $(pinmux-y)
diff --git a/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c b/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
new file mode 100644
index 00000000000..51b12ab58c9
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
@@ -0,0 +1,1783 @@
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <asm/sh7722.h>
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	PINMUX_DATA_BEGIN,
+	PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+	PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA,
+	PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+	PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA,
+	PTC7_DATA, PTC5_DATA, PTC4_DATA, PTC3_DATA, PTC2_DATA, PTC0_DATA,
+	PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+	PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA,
+	PTE7_DATA, PTE6_DATA, PTE5_DATA, PTE4_DATA, PTE1_DATA, PTE0_DATA,
+	PTF6_DATA, PTF5_DATA, PTF4_DATA,
+	PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA,
+	PTG4_DATA, PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA,
+	PTH7_DATA, PTH6_DATA, PTH5_DATA, PTH4_DATA,
+	PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA,
+	PTJ7_DATA, PTJ6_DATA, PTJ5_DATA, PTJ1_DATA, PTJ0_DATA,
+	PTK6_DATA, PTK5_DATA, PTK4_DATA,
+	PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA,
+	PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA,
+	PTL3_DATA, PTL2_DATA, PTL1_DATA, PTL0_DATA,
+	PTM7_DATA, PTM6_DATA, PTM5_DATA, PTM4_DATA,
+	PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA,
+	PTN7_DATA, PTN6_DATA, PTN5_DATA, PTN4_DATA,
+	PTN3_DATA, PTN2_DATA, PTN1_DATA, PTN0_DATA,
+	PTQ6_DATA, PTQ5_DATA, PTQ4_DATA,
+	PTQ3_DATA, PTQ2_DATA, PTQ1_DATA, PTQ0_DATA,
+	PTR4_DATA, PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA,
+	PTS4_DATA, PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA,
+	PTT4_DATA, PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA,
+	PTU4_DATA, PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA,
+	PTV4_DATA, PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA,
+	PTW6_DATA, PTW5_DATA, PTW4_DATA,
+	PTW3_DATA, PTW2_DATA, PTW1_DATA, PTW0_DATA,
+	PTX6_DATA, PTX5_DATA, PTX4_DATA,
+	PTX3_DATA, PTX2_DATA, PTX1_DATA, PTX0_DATA,
+	PTY6_DATA, PTY5_DATA, PTY4_DATA,
+	PTY3_DATA, PTY2_DATA, PTY1_DATA, PTY0_DATA,
+	PTZ5_DATA, PTZ4_DATA, PTZ3_DATA, PTZ2_DATA, PTZ1_DATA, PTZ0_DATA,
+	PINMUX_DATA_END,
+
+	PINMUX_INPUT_BEGIN,
+	PTA7_IN, PTA6_IN, PTA5_IN, PTA4_IN,
+	PTA3_IN, PTA2_IN, PTA1_IN, PTA0_IN,
+	PTB7_IN, PTB6_IN, PTB5_IN, PTB4_IN,
+	PTB3_IN, PTB2_IN, PTB1_IN, PTB0_IN,
+	PTC7_IN, PTC5_IN, PTC4_IN, PTC3_IN, PTC2_IN, PTC0_IN,
+	PTD7_IN, PTD6_IN, PTD5_IN, PTD4_IN, PTD3_IN, PTD2_IN, PTD1_IN,
+	PTE7_IN, PTE6_IN, PTE5_IN, PTE4_IN, PTE1_IN, PTE0_IN,
+	PTF6_IN, PTF5_IN, PTF4_IN, PTF3_IN, PTF2_IN, PTF1_IN,
+	PTH6_IN, PTH5_IN, PTH1_IN, PTH0_IN,
+	PTJ1_IN, PTJ0_IN,
+	PTK6_IN, PTK5_IN, PTK4_IN, PTK3_IN, PTK2_IN, PTK0_IN,
+	PTL7_IN, PTL6_IN, PTL5_IN, PTL4_IN,
+	PTL3_IN, PTL2_IN, PTL1_IN, PTL0_IN,
+	PTM7_IN, PTM6_IN, PTM5_IN, PTM4_IN,
+	PTM3_IN, PTM2_IN, PTM1_IN, PTM0_IN,
+	PTN7_IN, PTN6_IN, PTN5_IN, PTN4_IN,
+	PTN3_IN, PTN2_IN, PTN1_IN, PTN0_IN,
+	PTQ5_IN, PTQ4_IN, PTQ3_IN, PTQ2_IN, PTQ0_IN,
+	PTR2_IN,
+	PTS4_IN, PTS2_IN, PTS1_IN,
+	PTT4_IN, PTT3_IN, PTT2_IN, PTT1_IN,
+	PTU4_IN, PTU3_IN, PTU2_IN, PTU1_IN, PTU0_IN,
+	PTV4_IN, PTV3_IN, PTV2_IN, PTV1_IN, PTV0_IN,
+	PTW6_IN, PTW4_IN, PTW3_IN, PTW2_IN, PTW1_IN, PTW0_IN,
+	PTX6_IN, PTX5_IN, PTX4_IN, PTX3_IN, PTX2_IN, PTX1_IN, PTX0_IN,
+	PTY5_IN, PTY4_IN, PTY3_IN, PTY2_IN, PTY0_IN,
+	PTZ5_IN, PTZ4_IN, PTZ3_IN, PTZ2_IN, PTZ1_IN,
+	PINMUX_INPUT_END,
+
+	PINMUX_INPUT_PULLDOWN_BEGIN,
+	PTA7_IN_PD, PTA6_IN_PD, PTA5_IN_PD, PTA4_IN_PD,
+	PTA3_IN_PD, PTA2_IN_PD, PTA1_IN_PD, PTA0_IN_PD,
+	PTE7_IN_PD, PTE6_IN_PD, PTE5_IN_PD, PTE4_IN_PD,	PTE1_IN_PD, PTE0_IN_PD,
+	PTF6_IN_PD, PTF5_IN_PD, PTF4_IN_PD, PTF3_IN_PD, PTF2_IN_PD, PTF1_IN_PD,
+	PTH6_IN_PD, PTH5_IN_PD, PTH1_IN_PD, PTH0_IN_PD,
+	PTK6_IN_PD, PTK5_IN_PD, PTK4_IN_PD, PTK3_IN_PD, PTK2_IN_PD, PTK0_IN_PD,
+	PTL7_IN_PD, PTL6_IN_PD, PTL5_IN_PD, PTL4_IN_PD,
+	PTL3_IN_PD, PTL2_IN_PD, PTL1_IN_PD, PTL0_IN_PD,
+	PTM7_IN_PD, PTM6_IN_PD, PTM5_IN_PD, PTM4_IN_PD,
+	PTM3_IN_PD, PTM2_IN_PD, PTM1_IN_PD, PTM0_IN_PD,
+	PTQ5_IN_PD, PTQ4_IN_PD, PTQ3_IN_PD, PTQ2_IN_PD,
+	PTS4_IN_PD, PTS2_IN_PD, PTS1_IN_PD,
+	PTT4_IN_PD, PTT3_IN_PD, PTT2_IN_PD, PTT1_IN_PD,
+	PTU4_IN_PD, PTU3_IN_PD, PTU2_IN_PD, PTU1_IN_PD, PTU0_IN_PD,
+	PTV4_IN_PD, PTV3_IN_PD, PTV2_IN_PD, PTV1_IN_PD, PTV0_IN_PD,
+	PTW6_IN_PD, PTW4_IN_PD,	PTW3_IN_PD, PTW2_IN_PD, PTW1_IN_PD, PTW0_IN_PD,
+	PTX6_IN_PD, PTX5_IN_PD, PTX4_IN_PD,
+	PTX3_IN_PD, PTX2_IN_PD, PTX1_IN_PD, PTX0_IN_PD,
+	PINMUX_INPUT_PULLDOWN_END,
+
+	PINMUX_INPUT_PULLUP_BEGIN,
+	PTC7_IN_PU, PTC5_IN_PU,
+	PTD7_IN_PU, PTD6_IN_PU, PTD5_IN_PU, PTD4_IN_PU,
+	PTD3_IN_PU, PTD2_IN_PU, PTD1_IN_PU,
+	PTJ1_IN_PU, PTJ0_IN_PU,
+	PTQ0_IN_PU,
+	PTR2_IN_PU,
+	PTX6_IN_PU,
+	PTY5_IN_PU, PTY4_IN_PU, PTY3_IN_PU, PTY2_IN_PU, PTY0_IN_PU,
+	PTZ5_IN_PU, PTZ4_IN_PU, PTZ3_IN_PU, PTZ2_IN_PU, PTZ1_IN_PU,
+	PINMUX_INPUT_PULLUP_END,
+
+	PINMUX_OUTPUT_BEGIN,
+	PTA7_OUT, PTA5_OUT,
+	PTB7_OUT, PTB6_OUT, PTB5_OUT, PTB4_OUT,
+	PTB3_OUT, PTB2_OUT, PTB1_OUT, PTB0_OUT,
+	PTC4_OUT, PTC3_OUT, PTC2_OUT, PTC0_OUT,
+	PTD6_OUT, PTD5_OUT, PTD4_OUT,
+	PTD3_OUT, PTD2_OUT, PTD1_OUT, PTD0_OUT,
+	PTE7_OUT, PTE6_OUT, PTE5_OUT, PTE4_OUT, PTE1_OUT, PTE0_OUT,
+	PTF6_OUT, PTF5_OUT, PTF4_OUT, PTF3_OUT, PTF2_OUT, PTF0_OUT,
+	PTG4_OUT, PTG3_OUT, PTG2_OUT, PTG1_OUT, PTG0_OUT,
+	PTH7_OUT, PTH6_OUT, PTH5_OUT, PTH4_OUT,
+	PTH3_OUT, PTH2_OUT, PTH1_OUT, PTH0_OUT,
+	PTJ7_OUT, PTJ6_OUT, PTJ5_OUT, PTJ1_OUT, PTJ0_OUT,
+	PTK6_OUT, PTK5_OUT, PTK4_OUT, PTK3_OUT, PTK1_OUT, PTK0_OUT,
+	PTL7_OUT, PTL6_OUT, PTL5_OUT, PTL4_OUT,
+	PTL3_OUT, PTL2_OUT, PTL1_OUT, PTL0_OUT,
+	PTM7_OUT, PTM6_OUT, PTM5_OUT, PTM4_OUT,
+	PTM3_OUT, PTM2_OUT, PTM1_OUT, PTM0_OUT,
+	PTN7_OUT, PTN6_OUT, PTN5_OUT, PTN4_OUT,
+	PTN3_OUT, PTN2_OUT, PTN1_OUT, PTN0_OUT,	PTQ6_OUT, PTQ5_OUT, PTQ4_OUT,
+	PTQ3_OUT, PTQ2_OUT, PTQ1_OUT, PTQ0_OUT,
+	PTR4_OUT, PTR3_OUT, PTR1_OUT, PTR0_OUT,
+	PTS3_OUT, PTS2_OUT, PTS0_OUT,
+	PTT4_OUT, PTT3_OUT, PTT2_OUT, PTT0_OUT,
+	PTU4_OUT, PTU3_OUT, PTU2_OUT, PTU0_OUT,
+	PTV4_OUT, PTV3_OUT, PTV2_OUT, PTV1_OUT, PTV0_OUT,
+	PTW5_OUT, PTW4_OUT, PTW3_OUT, PTW2_OUT, PTW1_OUT, PTW0_OUT,
+	PTX6_OUT, PTX5_OUT, PTX4_OUT, PTX3_OUT, PTX2_OUT, PTX1_OUT, PTX0_OUT,
+	PTY5_OUT, PTY4_OUT, PTY3_OUT, PTY2_OUT, PTY1_OUT, PTY0_OUT,
+	PINMUX_OUTPUT_END,
+
+	PINMUX_MARK_BEGIN,
+	SCIF0_TXD_MARK, SCIF0_RXD_MARK,
+	SCIF0_RTS_MARK, SCIF0_CTS_MARK, SCIF0_SCK_MARK,
+	SCIF1_TXD_MARK, SCIF1_RXD_MARK,
+	SCIF1_RTS_MARK, SCIF1_CTS_MARK, SCIF1_SCK_MARK,
+	SCIF2_TXD_MARK, SCIF2_RXD_MARK,
+	SCIF2_RTS_MARK, SCIF2_CTS_MARK, SCIF2_SCK_MARK,
+	SIOTXD_MARK, SIORXD_MARK,
+	SIOD_MARK, SIOSTRB0_MARK, SIOSTRB1_MARK,
+	SIOSCK_MARK, SIOMCK_MARK,
+	VIO_D15_MARK, VIO_D14_MARK, VIO_D13_MARK, VIO_D12_MARK,
+	VIO_D11_MARK, VIO_D10_MARK, VIO_D9_MARK, VIO_D8_MARK,
+	VIO_D7_MARK, VIO_D6_MARK, VIO_D5_MARK, VIO_D4_MARK,
+	VIO_D3_MARK, VIO_D2_MARK, VIO_D1_MARK, VIO_D0_MARK,
+	VIO_CLK_MARK, VIO_VD_MARK, VIO_HD_MARK, VIO_FLD_MARK,
+	VIO_CKO_MARK, VIO_STEX_MARK, VIO_STEM_MARK, VIO_VD2_MARK,
+	VIO_HD2_MARK, VIO_CLK2_MARK,
+	LCDD23_MARK, LCDD22_MARK, LCDD21_MARK, LCDD20_MARK,
+	LCDD19_MARK, LCDD18_MARK, LCDD17_MARK, LCDD16_MARK,
+	LCDD15_MARK, LCDD14_MARK, LCDD13_MARK, LCDD12_MARK,
+	LCDD11_MARK, LCDD10_MARK, LCDD9_MARK, LCDD8_MARK,
+	LCDD7_MARK, LCDD6_MARK, LCDD5_MARK, LCDD4_MARK,
+	LCDD3_MARK, LCDD2_MARK, LCDD1_MARK, LCDD0_MARK,
+	LCDLCLK_MARK, LCDDON_MARK, LCDVCPWC_MARK, LCDVEPWC_MARK,
+	LCDVSYN_MARK, LCDDCK_MARK, LCDHSYN_MARK, LCDDISP_MARK,
+	LCDRS_MARK, LCDCS_MARK, LCDWR_MARK, LCDRD_MARK,
+	LCDDON2_MARK, LCDVCPWC2_MARK, LCDVEPWC2_MARK, LCDVSYN2_MARK,
+	LCDCS2_MARK,
+	IOIS16_MARK, A25_MARK, A24_MARK, A23_MARK, A22_MARK,
+	BS_MARK, CS6B_CE1B_MARK, WAIT_MARK, CS6A_CE2B_MARK,
+	HPD63_MARK, HPD62_MARK, HPD61_MARK, HPD60_MARK,
+	HPD59_MARK, HPD58_MARK, HPD57_MARK, HPD56_MARK,
+	HPD55_MARK, HPD54_MARK, HPD53_MARK, HPD52_MARK,
+	HPD51_MARK, HPD50_MARK, HPD49_MARK, HPD48_MARK,
+	HPDQM7_MARK, HPDQM6_MARK, HPDQM5_MARK, HPDQM4_MARK,
+	IRQ0_MARK, IRQ1_MARK, IRQ2_MARK, IRQ3_MARK,
+	IRQ4_MARK, IRQ5_MARK, IRQ6_MARK, IRQ7_MARK,
+	SDHICD_MARK, SDHIWP_MARK, SDHID3_MARK, SDHID2_MARK,
+	SDHID1_MARK, SDHID0_MARK, SDHICMD_MARK, SDHICLK_MARK,
+	SIUAOLR_MARK, SIUAOBT_MARK, SIUAISLD_MARK, SIUAILR_MARK,
+	SIUAIBT_MARK, SIUAOSLD_MARK, SIUMCKA_MARK, SIUFCKA_MARK,
+	SIUBOLR_MARK, SIUBOBT_MARK, SIUBISLD_MARK, SIUBILR_MARK,
+	SIUBIBT_MARK, SIUBOSLD_MARK, SIUMCKB_MARK, SIUFCKB_MARK,
+	AUDSYNC_MARK, AUDATA3_MARK, AUDATA2_MARK, AUDATA1_MARK,	AUDATA0_MARK,
+	DACK_MARK, DREQ0_MARK,
+	DV_CLKI_MARK, DV_CLK_MARK, DV_HSYNC_MARK, DV_VSYNC_MARK,
+	DV_D15_MARK, DV_D14_MARK, DV_D13_MARK, DV_D12_MARK,
+	DV_D11_MARK, DV_D10_MARK, DV_D9_MARK, DV_D8_MARK,
+	DV_D7_MARK, DV_D6_MARK, DV_D5_MARK, DV_D4_MARK,
+	DV_D3_MARK, DV_D2_MARK, DV_D1_MARK, DV_D0_MARK,
+	STATUS0_MARK, PDSTATUS_MARK,
+	SIOF0_MCK_MARK, SIOF0_SCK_MARK,
+	SIOF0_SYNC_MARK, SIOF0_SS1_MARK, SIOF0_SS2_MARK,
+	SIOF0_TXD_MARK,	SIOF0_RXD_MARK,
+	SIOF1_MCK_MARK, SIOF1_SCK_MARK,
+	SIOF1_SYNC_MARK, SIOF1_SS1_MARK, SIOF1_SS2_MARK,
+	SIOF1_TXD_MARK, SIOF1_RXD_MARK,
+	SIM_D_MARK, SIM_CLK_MARK, SIM_RST_MARK,
+	TS_SDAT_MARK, TS_SCK_MARK, TS_SDEN_MARK, TS_SPSYNC_MARK,
+	IRDA_IN_MARK, IRDA_OUT_MARK,
+	TPUTO_MARK,
+	FCE_MARK, NAF7_MARK, NAF6_MARK, NAF5_MARK, NAF4_MARK,
+	NAF3_MARK, NAF2_MARK, NAF1_MARK, NAF0_MARK, FCDE_MARK,
+	FOE_MARK, FSC_MARK, FWE_MARK, FRB_MARK,
+	KEYIN0_MARK, KEYIN1_MARK, KEYIN2_MARK, KEYIN3_MARK, KEYIN4_MARK,
+	KEYOUT0_MARK, KEYOUT1_MARK, KEYOUT2_MARK, KEYOUT3_MARK,
+	KEYOUT4_IN6_MARK, KEYOUT5_IN5_MARK,
+	PINMUX_MARK_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	VIO_D7_SCIF1_SCK, VIO_D6_SCIF1_RXD, VIO_D5_SCIF1_TXD, VIO_D4,
+	VIO_D3, VIO_D2, VIO_D1, VIO_D0_LCDLCLK,
+	HPD55, HPD54, HPD53, HPD52, HPD51, HPD50, HPD49, HPD48,
+	IOIS16, HPDQM7, HPDQM6, HPDQM5, HPDQM4,
+	SDHICD, SDHIWP, SDHID3, IRQ2_SDHID2, SDHID1, SDHID0, SDHICMD, SDHICLK,
+	A25, A24, A23, A22, IRQ5, IRQ4_BS,
+	PTF6, SIOSCK_SIUBOBT, SIOSTRB1_SIUBOLR,
+	SIOSTRB0_SIUBIBT, SIOD_SIUBILR, SIORXD_SIUBISLD, SIOTXD_SIUBOSLD,
+	AUDSYNC, AUDATA3, AUDATA2, AUDATA1, AUDATA0,
+	LCDVCPWC_LCDVCPWC2, LCDVSYN2_DACK, LCDVSYN, LCDDISP_LCDRS,
+	LCDHSYN_LCDCS, LCDDON_LCDDON2, LCDD17_DV_HSYNC, LCDD16_DV_VSYNC,
+	STATUS0, PDSTATUS, IRQ1, IRQ0,
+	SIUAILR_SIOF1_SS2, SIUAIBT_SIOF1_SS1, SIUAOLR_SIOF1_SYNC,
+	SIUAOBT_SIOF1_SCK, SIUAISLD_SIOF1_RXD, SIUAOSLD_SIOF1_TXD, PTK0,
+	LCDD15_DV_D15, LCDD14_DV_D14, LCDD13_DV_D13, LCDD12_DV_D12,
+	LCDD11_DV_D11, LCDD10_DV_D10, LCDD9_DV_D9, LCDD8_DV_D8,
+	LCDD7_DV_D7, LCDD6_DV_D6, LCDD5_DV_D5, LCDD4_DV_D4,
+	LCDD3_DV_D3, LCDD2_DV_D2, LCDD1_DV_D1, LCDD0_DV_D0,
+	HPD63, HPD62, HPD61, HPD60, HPD59, HPD58, HPD57, HPD56,
+	SIOF0_SS2_SIM_RST, SIOF0_SS1_TS_SPSYNC, SIOF0_SYNC_TS_SDEN,
+	SIOF0_SCK_TS_SCK, PTQ2, PTQ1, PTQ0,
+	LCDRD, CS6B_CE1B_LCDCS2, WAIT, LCDDCK_LCDWR, LCDVEPWC_LCDVEPWC2,
+	SCIF0_CTS_SIUAISPD, SCIF0_RTS_SIUAOSPD,
+	SCIF0_SCK_TPUTO, SCIF0_RXD, SCIF0_TXD,
+	FOE_VIO_VD2, FWE, FSC, DREQ0, FCDE,
+	NAF2_VIO_D10, NAF1_VIO_D9, NAF0_VIO_D8,
+	FRB_VIO_CLK2, FCE_VIO_HD2,
+	NAF7_VIO_D15, NAF6_VIO_D14, NAF5_VIO_D13, NAF4_VIO_D12, NAF3_VIO_D11,
+	VIO_FLD_SCIF2_CTS, VIO_CKO_SCIF2_RTS, VIO_STEX_SCIF2_SCK,
+	VIO_STEM_SCIF2_TXD, VIO_HD_SCIF2_RXD,
+	VIO_VD_SCIF1_CTS, VIO_CLK_SCIF1_RTS,
+	CS6A_CE2B, LCDD23, LCDD22, LCDD21, LCDD20,
+	LCDD19_DV_CLKI, LCDD18_DV_CLK,
+	KEYOUT5_IN5, KEYOUT4_IN6, KEYOUT3, KEYOUT2, KEYOUT1, KEYOUT0,
+	KEYIN4_IRQ7, KEYIN3, KEYIN2, KEYIN1, KEYIN0_IRQ6,
+
+	PSA15_KEYIN0, PSA15_IRQ6, PSA14_KEYIN4, PSA14_IRQ7,
+	PSA9_IRQ4, PSA9_BS, PSA4_IRQ2, PSA4_SDHID2,
+	PSB15_SIOTXD, PSB15_SIUBOSLD, PSB14_SIORXD, PSB14_SIUBISLD,
+	PSB13_SIOD, PSB13_SIUBILR, PSB12_SIOSTRB0, PSB12_SIUBIBT,
+	PSB11_SIOSTRB1, PSB11_SIUBOLR, PSB10_SIOSCK, PSB10_SIUBOBT,
+	PSB9_SIOMCK, PSB9_SIUMCKB, PSB8_SIOF0_MCK, PSB8_IRQ3,
+	PSB7_SIOF0_TXD, PSB7_IRDA_OUT, PSB6_SIOF0_RXD, PSB6_IRDA_IN,
+	PSB5_SIOF0_SCK, PSB5_TS_SCK, PSB4_SIOF0_SYNC, PSB4_TS_SDEN,
+	PSB3_SIOF0_SS1, PSB3_TS_SPSYNC, PSB2_SIOF0_SS2, PSB2_SIM_RST,
+	PSB1_SIUMCKA, PSB1_SIOF1_MCK, PSB0_SIUAOSLD, PSB0_SIOF1_TXD,
+	PSC15_SIUAISLD, PSC15_SIOF1_RXD, PSC14_SIUAOBT, PSC14_SIOF1_SCK,
+	PSC13_SIUAOLR, PSC13_SIOF1_SYNC, PSC12_SIUAIBT, PSC12_SIOF1_SS1,
+	PSC11_SIUAILR, PSC11_SIOF1_SS2, PSC0_NAF, PSC0_VIO,
+	PSD13_VIO, PSD13_SCIF2, PSD12_VIO, PSD12_SCIF1,
+	PSD11_VIO, PSD11_SCIF1, PSD10_VIO_D0, PSD10_LCDLCLK,
+	PSD9_SIOMCK_SIUMCKB, PSD9_SIUFCKB, PSD8_SCIF0_SCK, PSD8_TPUTO,
+	PSD7_SCIF0_RTS, PSD7_SIUAOSPD, PSD6_SCIF0_CTS, PSD6_SIUAISPD,
+	PSD5_CS6B_CE1B, PSD5_LCDCS2,
+	PSD3_LCDVEPWC_LCDVCPWC, PSD3_LCDVEPWC2_LCDVCPWC2,
+	PSD2_LCDDON, PSD2_LCDDON2, PSD0_LCDD19_LCDD0, PSD0_DV,
+	PSE15_SIOF0_MCK_IRQ3, PSE15_SIM_D,
+	PSE14_SIOF0_TXD_IRDA_OUT, PSE14_SIM_CLK,
+	PSE13_SIOF0_RXD_IRDA_IN, PSE13_TS_SDAT, PSE12_LCDVSYN2, PSE12_DACK,
+	PSE11_SIUMCKA_SIOF1_MCK, PSE11_SIUFCKA,
+	PSE3_FLCTL, PSE3_VIO, PSE2_NAF2, PSE2_VIO_D10,
+	PSE1_NAF1, PSE1_VIO_D9, PSE0_NAF0, PSE0_VIO_D8,
+
+	HIZA14_KEYSC, HIZA14_HIZ,
+	HIZA10_NAF, HIZA10_HIZ,
+	HIZA9_VIO, HIZA9_HIZ,
+	HIZA8_LCDC, HIZA8_HIZ,
+	HIZA7_LCDC, HIZA7_HIZ,
+	HIZA6_LCDC, HIZA6_HIZ,
+	HIZB1_VIO, HIZB1_HIZ,
+	HIZB0_VIO, HIZB0_HIZ,
+	HIZC15_IRQ7, HIZC15_HIZ,
+	HIZC14_IRQ6, HIZC14_HIZ,
+	HIZC13_IRQ5, HIZC13_HIZ,
+	HIZC12_IRQ4, HIZC12_HIZ,
+	HIZC11_IRQ3, HIZC11_HIZ,
+	HIZC10_IRQ2, HIZC10_HIZ,
+	HIZC9_IRQ1, HIZC9_HIZ,
+	HIZC8_IRQ0, HIZC8_HIZ,
+	MSELB9_VIO, MSELB9_VIO2,
+	MSELB8_RGB, MSELB8_SYS,
+	PINMUX_FUNCTION_END,
+};
+
+static pinmux_enum_t pinmux_data[] = {
+	/* PTA */
+	PINMUX_DATA(PTA7_DATA, PTA7_IN, PTA7_IN_PD, PTA7_OUT),
+	PINMUX_DATA(PTA6_DATA, PTA6_IN, PTA6_IN_PD),
+	PINMUX_DATA(PTA5_DATA, PTA5_IN, PTA5_IN_PD, PTA5_OUT),
+	PINMUX_DATA(PTA4_DATA, PTA4_IN, PTA4_IN_PD),
+	PINMUX_DATA(PTA3_DATA, PTA3_IN, PTA3_IN_PD),
+	PINMUX_DATA(PTA2_DATA, PTA2_IN, PTA2_IN_PD),
+	PINMUX_DATA(PTA1_DATA, PTA1_IN, PTA1_IN_PD),
+	PINMUX_DATA(PTA0_DATA, PTA0_IN, PTA0_IN_PD),
+
+	/* PTB */
+	PINMUX_DATA(PTB7_DATA, PTB7_IN, PTB7_OUT),
+	PINMUX_DATA(PTB6_DATA, PTB6_IN, PTB6_OUT),
+	PINMUX_DATA(PTB5_DATA, PTB5_IN, PTB5_OUT),
+	PINMUX_DATA(PTB4_DATA, PTB4_IN, PTB4_OUT),
+	PINMUX_DATA(PTB3_DATA, PTB3_IN, PTB3_OUT),
+	PINMUX_DATA(PTB2_DATA, PTB2_IN, PTB2_OUT),
+	PINMUX_DATA(PTB1_DATA, PTB1_IN, PTB1_OUT),
+	PINMUX_DATA(PTB0_DATA, PTB0_IN, PTB0_OUT),
+
+	/* PTC */
+	PINMUX_DATA(PTC7_DATA, PTC7_IN, PTC7_IN_PU),
+	PINMUX_DATA(PTC5_DATA, PTC5_IN, PTC5_IN_PU),
+	PINMUX_DATA(PTC4_DATA, PTC4_IN, PTC4_OUT),
+	PINMUX_DATA(PTC3_DATA, PTC3_IN, PTC3_OUT),
+	PINMUX_DATA(PTC2_DATA, PTC2_IN, PTC2_OUT),
+	PINMUX_DATA(PTC0_DATA, PTC0_IN, PTC0_OUT),
+
+	/* PTD */
+	PINMUX_DATA(PTD7_DATA, PTD7_IN, PTD7_IN_PU),
+	PINMUX_DATA(PTD6_DATA, PTD6_OUT, PTD6_IN, PTD6_IN_PU),
+	PINMUX_DATA(PTD5_DATA, PTD5_OUT, PTD5_IN, PTD5_IN_PU),
+	PINMUX_DATA(PTD4_DATA, PTD4_OUT, PTD4_IN, PTD4_IN_PU),
+	PINMUX_DATA(PTD3_DATA, PTD3_OUT, PTD3_IN, PTD3_IN_PU),
+	PINMUX_DATA(PTD2_DATA, PTD2_OUT, PTD2_IN, PTD2_IN_PU),
+	PINMUX_DATA(PTD1_DATA, PTD1_OUT, PTD1_IN, PTD1_IN_PU),
+	PINMUX_DATA(PTD0_DATA, PTD0_OUT),
+
+	/* PTE */
+	PINMUX_DATA(PTE7_DATA, PTE7_OUT, PTE7_IN, PTE7_IN_PD),
+	PINMUX_DATA(PTE6_DATA, PTE6_OUT, PTE6_IN, PTE6_IN_PD),
+	PINMUX_DATA(PTE5_DATA, PTE5_OUT, PTE5_IN, PTE5_IN_PD),
+	PINMUX_DATA(PTE4_DATA, PTE4_OUT, PTE4_IN, PTE4_IN_PD),
+	PINMUX_DATA(PTE1_DATA, PTE1_OUT, PTE1_IN, PTE1_IN_PD),
+	PINMUX_DATA(PTE0_DATA, PTE0_OUT, PTE0_IN, PTE0_IN_PD),
+
+	/* PTF */
+	PINMUX_DATA(PTF6_DATA, PTF6_OUT, PTF6_IN, PTF6_IN_PD),
+	PINMUX_DATA(PTF5_DATA, PTF5_OUT, PTF5_IN, PTF5_IN_PD),
+	PINMUX_DATA(PTF4_DATA, PTF4_OUT, PTF4_IN, PTF4_IN_PD),
+	PINMUX_DATA(PTF3_DATA, PTF3_OUT, PTF3_IN, PTF3_IN_PD),
+	PINMUX_DATA(PTF2_DATA, PTF2_OUT, PTF2_IN, PTF2_IN_PD),
+	PINMUX_DATA(PTF1_DATA, PTF1_IN, PTF1_IN_PD),
+	PINMUX_DATA(PTF0_DATA, PTF0_OUT),
+
+	/* PTG */
+	PINMUX_DATA(PTG4_DATA, PTG4_OUT),
+	PINMUX_DATA(PTG3_DATA, PTG3_OUT),
+	PINMUX_DATA(PTG2_DATA, PTG2_OUT),
+	PINMUX_DATA(PTG1_DATA, PTG1_OUT),
+	PINMUX_DATA(PTG0_DATA, PTG0_OUT),
+
+	/* PTH */
+	PINMUX_DATA(PTH7_DATA, PTH7_OUT),
+	PINMUX_DATA(PTH6_DATA, PTH6_OUT, PTH6_IN, PTH6_IN_PD),
+	PINMUX_DATA(PTH5_DATA, PTH5_OUT, PTH5_IN, PTH5_IN_PD),
+	PINMUX_DATA(PTH4_DATA, PTH4_OUT),
+	PINMUX_DATA(PTH3_DATA, PTH3_OUT),
+	PINMUX_DATA(PTH2_DATA, PTH2_OUT),
+	PINMUX_DATA(PTH1_DATA, PTH1_OUT, PTH1_IN, PTH1_IN_PD),
+	PINMUX_DATA(PTH0_DATA, PTH0_OUT, PTH0_IN, PTH0_IN_PD),
+
+	/* PTJ */
+	PINMUX_DATA(PTJ7_DATA, PTJ7_OUT),
+	PINMUX_DATA(PTJ6_DATA, PTJ6_OUT),
+	PINMUX_DATA(PTJ5_DATA, PTJ5_OUT),
+	PINMUX_DATA(PTJ1_DATA, PTJ1_OUT, PTJ1_IN, PTJ1_IN_PU),
+	PINMUX_DATA(PTJ0_DATA, PTJ0_OUT, PTJ0_IN, PTJ0_IN_PU),
+
+	/* PTK */
+	PINMUX_DATA(PTK6_DATA, PTK6_OUT, PTK6_IN, PTK6_IN_PD),
+	PINMUX_DATA(PTK5_DATA, PTK5_OUT, PTK5_IN, PTK5_IN_PD),
+	PINMUX_DATA(PTK4_DATA, PTK4_OUT, PTK4_IN, PTK4_IN_PD),
+	PINMUX_DATA(PTK3_DATA, PTK3_OUT, PTK3_IN, PTK3_IN_PD),
+	PINMUX_DATA(PTK2_DATA, PTK2_IN, PTK2_IN_PD),
+	PINMUX_DATA(PTK1_DATA, PTK1_OUT),
+	PINMUX_DATA(PTK0_DATA, PTK0_OUT, PTK0_IN, PTK0_IN_PD),
+
+	/* PTL */
+	PINMUX_DATA(PTL7_DATA, PTL7_OUT, PTL7_IN, PTL7_IN_PD),
+	PINMUX_DATA(PTL6_DATA, PTL6_OUT, PTL6_IN, PTL6_IN_PD),
+	PINMUX_DATA(PTL5_DATA, PTL5_OUT, PTL5_IN, PTL5_IN_PD),
+	PINMUX_DATA(PTL4_DATA, PTL4_OUT, PTL4_IN, PTL4_IN_PD),
+	PINMUX_DATA(PTL3_DATA, PTL3_OUT, PTL3_IN, PTL3_IN_PD),
+	PINMUX_DATA(PTL2_DATA, PTL2_OUT, PTL2_IN, PTL2_IN_PD),
+	PINMUX_DATA(PTL1_DATA, PTL1_OUT, PTL1_IN, PTL1_IN_PD),
+	PINMUX_DATA(PTL0_DATA, PTL0_OUT, PTL0_IN, PTL0_IN_PD),
+
+	/* PTM */
+	PINMUX_DATA(PTM7_DATA, PTM7_OUT, PTM7_IN, PTM7_IN_PD),
+	PINMUX_DATA(PTM6_DATA, PTM6_OUT, PTM6_IN, PTM6_IN_PD),
+	PINMUX_DATA(PTM5_DATA, PTM5_OUT, PTM5_IN, PTM5_IN_PD),
+	PINMUX_DATA(PTM4_DATA, PTM4_OUT, PTM4_IN, PTM4_IN_PD),
+	PINMUX_DATA(PTM3_DATA, PTM3_OUT, PTM3_IN, PTM3_IN_PD),
+	PINMUX_DATA(PTM2_DATA, PTM2_OUT, PTM2_IN, PTM2_IN_PD),
+	PINMUX_DATA(PTM1_DATA, PTM1_OUT, PTM1_IN, PTM1_IN_PD),
+	PINMUX_DATA(PTM0_DATA, PTM0_OUT, PTM0_IN, PTM0_IN_PD),
+
+	/* PTN */
+	PINMUX_DATA(PTN7_DATA, PTN7_OUT, PTN7_IN),
+	PINMUX_DATA(PTN6_DATA, PTN6_OUT, PTN6_IN),
+	PINMUX_DATA(PTN5_DATA, PTN5_OUT, PTN5_IN),
+	PINMUX_DATA(PTN4_DATA, PTN4_OUT, PTN4_IN),
+	PINMUX_DATA(PTN3_DATA, PTN3_OUT, PTN3_IN),
+	PINMUX_DATA(PTN2_DATA, PTN2_OUT, PTN2_IN),
+	PINMUX_DATA(PTN1_DATA, PTN1_OUT, PTN1_IN),
+	PINMUX_DATA(PTN0_DATA, PTN0_OUT, PTN0_IN),
+
+	/* PTQ */
+	PINMUX_DATA(PTQ6_DATA, PTQ6_OUT),
+	PINMUX_DATA(PTQ5_DATA, PTQ5_OUT, PTQ5_IN, PTQ5_IN_PD),
+	PINMUX_DATA(PTQ4_DATA, PTQ4_OUT, PTQ4_IN, PTQ4_IN_PD),
+	PINMUX_DATA(PTQ3_DATA, PTQ3_OUT, PTQ3_IN, PTQ3_IN_PD),
+	PINMUX_DATA(PTQ2_DATA, PTQ2_IN, PTQ2_IN_PD),
+	PINMUX_DATA(PTQ1_DATA, PTQ1_OUT),
+	PINMUX_DATA(PTQ0_DATA, PTQ0_OUT, PTQ0_IN, PTQ0_IN_PU),
+
+	/* PTR */
+	PINMUX_DATA(PTR4_DATA, PTR4_OUT),
+	PINMUX_DATA(PTR3_DATA, PTR3_OUT),
+	PINMUX_DATA(PTR2_DATA, PTR2_IN, PTR2_IN_PU),
+	PINMUX_DATA(PTR1_DATA, PTR1_OUT),
+	PINMUX_DATA(PTR0_DATA, PTR0_OUT),
+
+	/* PTS */
+	PINMUX_DATA(PTS4_DATA, PTS4_IN, PTS4_IN_PD),
+	PINMUX_DATA(PTS3_DATA, PTS3_OUT),
+	PINMUX_DATA(PTS2_DATA, PTS2_OUT, PTS2_IN, PTS2_IN_PD),
+	PINMUX_DATA(PTS1_DATA, PTS1_IN, PTS1_IN_PD),
+	PINMUX_DATA(PTS0_DATA, PTS0_OUT),
+
+	/* PTT */
+	PINMUX_DATA(PTT4_DATA, PTT4_OUT, PTT4_IN, PTT4_IN_PD),
+	PINMUX_DATA(PTT3_DATA, PTT3_OUT, PTT3_IN, PTT3_IN_PD),
+	PINMUX_DATA(PTT2_DATA, PTT2_OUT, PTT2_IN, PTT2_IN_PD),
+	PINMUX_DATA(PTT1_DATA, PTT1_IN, PTT1_IN_PD),
+	PINMUX_DATA(PTT0_DATA, PTT0_OUT),
+
+	/* PTU */
+	PINMUX_DATA(PTU4_DATA, PTU4_OUT, PTU4_IN, PTU4_IN_PD),
+	PINMUX_DATA(PTU3_DATA, PTU3_OUT, PTU3_IN, PTU3_IN_PD),
+	PINMUX_DATA(PTU2_DATA, PTU2_OUT, PTU2_IN, PTU2_IN_PD),
+	PINMUX_DATA(PTU1_DATA, PTU1_IN, PTU1_IN_PD),
+	PINMUX_DATA(PTU0_DATA, PTU0_OUT, PTU0_IN, PTU0_IN_PD),
+
+	/* PTV */
+	PINMUX_DATA(PTV4_DATA, PTV4_OUT, PTV4_IN, PTV4_IN_PD),
+	PINMUX_DATA(PTV3_DATA, PTV3_OUT, PTV3_IN, PTV3_IN_PD),
+	PINMUX_DATA(PTV2_DATA, PTV2_OUT, PTV2_IN, PTV2_IN_PD),
+	PINMUX_DATA(PTV1_DATA, PTV1_OUT, PTV1_IN, PTV1_IN_PD),
+	PINMUX_DATA(PTV0_DATA, PTV0_OUT, PTV0_IN, PTV0_IN_PD),
+
+	/* PTW */
+	PINMUX_DATA(PTW6_DATA, PTW6_IN, PTW6_IN_PD),
+	PINMUX_DATA(PTW5_DATA, PTW5_OUT),
+	PINMUX_DATA(PTW4_DATA, PTW4_OUT, PTW4_IN, PTW4_IN_PD),
+	PINMUX_DATA(PTW3_DATA, PTW3_OUT, PTW3_IN, PTW3_IN_PD),
+	PINMUX_DATA(PTW2_DATA, PTW2_OUT, PTW2_IN, PTW2_IN_PD),
+	PINMUX_DATA(PTW1_DATA, PTW1_OUT, PTW1_IN, PTW1_IN_PD),
+	PINMUX_DATA(PTW0_DATA, PTW0_OUT, PTW0_IN, PTW0_IN_PD),
+
+	/* PTX */
+	PINMUX_DATA(PTX6_DATA, PTX6_OUT, PTX6_IN, PTX6_IN_PD),
+	PINMUX_DATA(PTX5_DATA, PTX5_OUT, PTX5_IN, PTX5_IN_PD),
+	PINMUX_DATA(PTX4_DATA, PTX4_OUT, PTX4_IN, PTX4_IN_PD),
+	PINMUX_DATA(PTX3_DATA, PTX3_OUT, PTX3_IN, PTX3_IN_PD),
+	PINMUX_DATA(PTX2_DATA, PTX2_OUT, PTX2_IN, PTX2_IN_PD),
+	PINMUX_DATA(PTX1_DATA, PTX1_OUT, PTX1_IN, PTX1_IN_PD),
+	PINMUX_DATA(PTX0_DATA, PTX0_OUT, PTX0_IN, PTX0_IN_PD),
+
+	/* PTY */
+	PINMUX_DATA(PTY5_DATA, PTY5_OUT, PTY5_IN, PTY5_IN_PU),
+	PINMUX_DATA(PTY4_DATA, PTY4_OUT, PTY4_IN, PTY4_IN_PU),
+	PINMUX_DATA(PTY3_DATA, PTY3_OUT, PTY3_IN, PTY3_IN_PU),
+	PINMUX_DATA(PTY2_DATA, PTY2_OUT, PTY2_IN, PTY2_IN_PU),
+	PINMUX_DATA(PTY1_DATA, PTY1_OUT),
+	PINMUX_DATA(PTY0_DATA, PTY0_OUT, PTY0_IN, PTY0_IN_PU),
+
+	/* PTZ */
+	PINMUX_DATA(PTZ5_DATA, PTZ5_IN, PTZ5_IN_PU),
+	PINMUX_DATA(PTZ4_DATA, PTZ4_IN, PTZ4_IN_PU),
+	PINMUX_DATA(PTZ3_DATA, PTZ3_IN, PTZ3_IN_PU),
+	PINMUX_DATA(PTZ2_DATA, PTZ2_IN, PTZ2_IN_PU),
+	PINMUX_DATA(PTZ1_DATA, PTZ1_IN, PTZ1_IN_PU),
+
+	/* SCIF0 */
+	PINMUX_DATA(SCIF0_TXD_MARK, SCIF0_TXD),
+	PINMUX_DATA(SCIF0_RXD_MARK, SCIF0_RXD),
+	PINMUX_DATA(SCIF0_RTS_MARK, PSD7_SCIF0_RTS, SCIF0_RTS_SIUAOSPD),
+	PINMUX_DATA(SCIF0_CTS_MARK, PSD6_SCIF0_CTS, SCIF0_CTS_SIUAISPD),
+	PINMUX_DATA(SCIF0_SCK_MARK, PSD8_SCIF0_SCK, SCIF0_SCK_TPUTO),
+
+	/* SCIF1 */
+	PINMUX_DATA(SCIF1_TXD_MARK, PSD11_SCIF1, VIO_D5_SCIF1_TXD),
+	PINMUX_DATA(SCIF1_RXD_MARK, PSD11_SCIF1, VIO_D6_SCIF1_RXD),
+	PINMUX_DATA(SCIF1_RTS_MARK, PSD12_SCIF1, VIO_CLK_SCIF1_RTS),
+	PINMUX_DATA(SCIF1_CTS_MARK, PSD12_SCIF1, VIO_VD_SCIF1_CTS),
+	PINMUX_DATA(SCIF1_SCK_MARK, PSD11_SCIF1, VIO_D7_SCIF1_SCK),
+
+	/* SCIF2 */
+	PINMUX_DATA(SCIF2_TXD_MARK, PSD13_SCIF2, VIO_STEM_SCIF2_TXD),
+	PINMUX_DATA(SCIF2_RXD_MARK, PSD13_SCIF2, VIO_HD_SCIF2_RXD),
+	PINMUX_DATA(SCIF2_RTS_MARK, PSD13_SCIF2, VIO_CKO_SCIF2_RTS),
+	PINMUX_DATA(SCIF2_CTS_MARK, PSD13_SCIF2, VIO_FLD_SCIF2_CTS),
+	PINMUX_DATA(SCIF2_SCK_MARK, PSD13_SCIF2, VIO_STEX_SCIF2_SCK),
+
+	/* SIO */
+	PINMUX_DATA(SIOTXD_MARK, PSB15_SIOTXD, SIOTXD_SIUBOSLD),
+	PINMUX_DATA(SIORXD_MARK, PSB14_SIORXD, SIORXD_SIUBISLD),
+	PINMUX_DATA(SIOD_MARK, PSB13_SIOD, SIOD_SIUBILR),
+	PINMUX_DATA(SIOSTRB0_MARK, PSB12_SIOSTRB0, SIOSTRB0_SIUBIBT),
+	PINMUX_DATA(SIOSTRB1_MARK, PSB11_SIOSTRB1, SIOSTRB1_SIUBOLR),
+	PINMUX_DATA(SIOSCK_MARK, PSB10_SIOSCK, SIOSCK_SIUBOBT),
+	PINMUX_DATA(SIOMCK_MARK, PSD9_SIOMCK_SIUMCKB, PSB9_SIOMCK, PTF6),
+
+	/* CEU */
+	PINMUX_DATA(VIO_D15_MARK, PSC0_VIO, HIZA10_NAF, NAF7_VIO_D15),
+	PINMUX_DATA(VIO_D14_MARK, PSC0_VIO, HIZA10_NAF, NAF6_VIO_D14),
+	PINMUX_DATA(VIO_D13_MARK, PSC0_VIO, HIZA10_NAF, NAF5_VIO_D13),
+	PINMUX_DATA(VIO_D12_MARK, PSC0_VIO, HIZA10_NAF, NAF4_VIO_D12),
+	PINMUX_DATA(VIO_D11_MARK, PSC0_VIO, HIZA10_NAF, NAF3_VIO_D11),
+	PINMUX_DATA(VIO_D10_MARK, PSE2_VIO_D10, HIZB0_VIO, NAF2_VIO_D10),
+	PINMUX_DATA(VIO_D9_MARK, PSE1_VIO_D9, HIZB0_VIO, NAF1_VIO_D9),
+	PINMUX_DATA(VIO_D8_MARK, PSE0_VIO_D8, HIZB0_VIO, NAF0_VIO_D8),
+	PINMUX_DATA(VIO_D7_MARK, PSD11_VIO, VIO_D7_SCIF1_SCK),
+	PINMUX_DATA(VIO_D6_MARK, PSD11_VIO, VIO_D6_SCIF1_RXD),
+	PINMUX_DATA(VIO_D5_MARK, PSD11_VIO, VIO_D5_SCIF1_TXD),
+	PINMUX_DATA(VIO_D4_MARK, VIO_D4),
+	PINMUX_DATA(VIO_D3_MARK, VIO_D3),
+	PINMUX_DATA(VIO_D2_MARK, VIO_D2),
+	PINMUX_DATA(VIO_D1_MARK, VIO_D1),
+	PINMUX_DATA(VIO_D0_MARK, PSD10_VIO_D0, VIO_D0_LCDLCLK),
+	PINMUX_DATA(VIO_CLK_MARK, PSD12_VIO, MSELB9_VIO, VIO_CLK_SCIF1_RTS),
+	PINMUX_DATA(VIO_VD_MARK, PSD12_VIO, MSELB9_VIO, VIO_VD_SCIF1_CTS),
+	PINMUX_DATA(VIO_HD_MARK, PSD13_VIO, MSELB9_VIO, VIO_HD_SCIF2_RXD),
+	PINMUX_DATA(VIO_FLD_MARK, PSD13_VIO, HIZA9_VIO, VIO_FLD_SCIF2_CTS),
+	PINMUX_DATA(VIO_CKO_MARK, PSD13_VIO, HIZA9_VIO, VIO_CKO_SCIF2_RTS),
+	PINMUX_DATA(VIO_STEX_MARK, PSD13_VIO, HIZA9_VIO, VIO_STEX_SCIF2_SCK),
+	PINMUX_DATA(VIO_STEM_MARK, PSD13_VIO, HIZA9_VIO, VIO_STEM_SCIF2_TXD),
+	PINMUX_DATA(VIO_VD2_MARK, PSE3_VIO, MSELB9_VIO2,
+		    HIZB0_VIO, FOE_VIO_VD2),
+	PINMUX_DATA(VIO_HD2_MARK, PSE3_VIO, MSELB9_VIO2,
+		    HIZB1_VIO, HIZB1_VIO, FCE_VIO_HD2),
+	PINMUX_DATA(VIO_CLK2_MARK, PSE3_VIO, MSELB9_VIO2,
+		    HIZB1_VIO, FRB_VIO_CLK2),
+
+	/* LCDC */
+	PINMUX_DATA(LCDD23_MARK, HIZA8_LCDC, LCDD23),
+	PINMUX_DATA(LCDD22_MARK, HIZA8_LCDC, LCDD22),
+	PINMUX_DATA(LCDD21_MARK, HIZA8_LCDC, LCDD21),
+	PINMUX_DATA(LCDD20_MARK, HIZA8_LCDC, LCDD20),
+	PINMUX_DATA(LCDD19_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD19_DV_CLKI),
+	PINMUX_DATA(LCDD18_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD18_DV_CLK),
+	PINMUX_DATA(LCDD17_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC,
+		    LCDD17_DV_HSYNC),
+	PINMUX_DATA(LCDD16_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC,
+		    LCDD16_DV_VSYNC),
+	PINMUX_DATA(LCDD15_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD15_DV_D15),
+	PINMUX_DATA(LCDD14_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD14_DV_D14),
+	PINMUX_DATA(LCDD13_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD13_DV_D13),
+	PINMUX_DATA(LCDD12_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD12_DV_D12),
+	PINMUX_DATA(LCDD11_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD11_DV_D11),
+	PINMUX_DATA(LCDD10_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD10_DV_D10),
+	PINMUX_DATA(LCDD9_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD9_DV_D9),
+	PINMUX_DATA(LCDD8_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD8_DV_D8),
+	PINMUX_DATA(LCDD7_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD7_DV_D7),
+	PINMUX_DATA(LCDD6_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD6_DV_D6),
+	PINMUX_DATA(LCDD5_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD5_DV_D5),
+	PINMUX_DATA(LCDD4_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD4_DV_D4),
+	PINMUX_DATA(LCDD3_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD3_DV_D3),
+	PINMUX_DATA(LCDD2_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD2_DV_D2),
+	PINMUX_DATA(LCDD1_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD1_DV_D1),
+	PINMUX_DATA(LCDD0_MARK, PSD0_LCDD19_LCDD0, HIZA8_LCDC, LCDD0_DV_D0),
+	PINMUX_DATA(LCDLCLK_MARK, PSD10_LCDLCLK, VIO_D0_LCDLCLK),
+	/* Main LCD */
+	PINMUX_DATA(LCDDON_MARK, PSD2_LCDDON, HIZA7_LCDC, LCDDON_LCDDON2),
+	PINMUX_DATA(LCDVCPWC_MARK, PSD3_LCDVEPWC_LCDVCPWC,
+		    HIZA6_LCDC, LCDVCPWC_LCDVCPWC2),
+	PINMUX_DATA(LCDVEPWC_MARK, PSD3_LCDVEPWC_LCDVCPWC,
+		    HIZA6_LCDC, LCDVEPWC_LCDVEPWC2),
+	PINMUX_DATA(LCDVSYN_MARK, HIZA7_LCDC, LCDVSYN),
+	/* Main LCD - RGB Mode */
+	PINMUX_DATA(LCDDCK_MARK, MSELB8_RGB, HIZA8_LCDC, LCDDCK_LCDWR),
+	PINMUX_DATA(LCDHSYN_MARK, MSELB8_RGB, HIZA7_LCDC, LCDHSYN_LCDCS),
+	PINMUX_DATA(LCDDISP_MARK, MSELB8_RGB, HIZA7_LCDC, LCDDISP_LCDRS),
+	/* Main LCD - SYS Mode */
+	PINMUX_DATA(LCDRS_MARK, MSELB8_SYS, HIZA7_LCDC, LCDDISP_LCDRS),
+	PINMUX_DATA(LCDCS_MARK, MSELB8_SYS, HIZA7_LCDC, LCDHSYN_LCDCS),
+	PINMUX_DATA(LCDWR_MARK, MSELB8_SYS, HIZA8_LCDC, LCDDCK_LCDWR),
+	PINMUX_DATA(LCDRD_MARK, HIZA7_LCDC, LCDRD),
+	/* Sub LCD - SYS Mode */
+	PINMUX_DATA(LCDDON2_MARK, PSD2_LCDDON2, HIZA7_LCDC, LCDDON_LCDDON2),
+	PINMUX_DATA(LCDVCPWC2_MARK, PSD3_LCDVEPWC2_LCDVCPWC2,
+		    HIZA6_LCDC, LCDVCPWC_LCDVCPWC2),
+	PINMUX_DATA(LCDVEPWC2_MARK, PSD3_LCDVEPWC2_LCDVCPWC2,
+		    HIZA6_LCDC, LCDVEPWC_LCDVEPWC2),
+	PINMUX_DATA(LCDVSYN2_MARK, PSE12_LCDVSYN2, HIZA8_LCDC, LCDVSYN2_DACK),
+	PINMUX_DATA(LCDCS2_MARK, PSD5_LCDCS2, CS6B_CE1B_LCDCS2),
+
+	/* BSC */
+	PINMUX_DATA(IOIS16_MARK, IOIS16),
+	PINMUX_DATA(A25_MARK, A25),
+	PINMUX_DATA(A24_MARK, A24),
+	PINMUX_DATA(A23_MARK, A23),
+	PINMUX_DATA(A22_MARK, A22),
+	PINMUX_DATA(BS_MARK, PSA9_BS, IRQ4_BS),
+	PINMUX_DATA(CS6B_CE1B_MARK, PSD5_CS6B_CE1B, CS6B_CE1B_LCDCS2),
+	PINMUX_DATA(WAIT_MARK, WAIT),
+	PINMUX_DATA(CS6A_CE2B_MARK, CS6A_CE2B),
+
+	/* SBSC */
+	PINMUX_DATA(HPD63_MARK, HPD63),
+	PINMUX_DATA(HPD62_MARK, HPD62),
+	PINMUX_DATA(HPD61_MARK, HPD61),
+	PINMUX_DATA(HPD60_MARK, HPD60),
+	PINMUX_DATA(HPD59_MARK, HPD59),
+	PINMUX_DATA(HPD58_MARK, HPD58),
+	PINMUX_DATA(HPD57_MARK, HPD57),
+	PINMUX_DATA(HPD56_MARK, HPD56),
+	PINMUX_DATA(HPD55_MARK, HPD55),
+	PINMUX_DATA(HPD54_MARK, HPD54),
+	PINMUX_DATA(HPD53_MARK, HPD53),
+	PINMUX_DATA(HPD52_MARK, HPD52),
+	PINMUX_DATA(HPD51_MARK, HPD51),
+	PINMUX_DATA(HPD50_MARK, HPD50),
+	PINMUX_DATA(HPD49_MARK, HPD49),
+	PINMUX_DATA(HPD48_MARK, HPD48),
+	PINMUX_DATA(HPDQM7_MARK, HPDQM7),
+	PINMUX_DATA(HPDQM6_MARK, HPDQM6),
+	PINMUX_DATA(HPDQM5_MARK, HPDQM5),
+	PINMUX_DATA(HPDQM4_MARK, HPDQM4),
+
+	/* IRQ */
+	PINMUX_DATA(IRQ0_MARK, HIZC8_IRQ0, IRQ0),
+	PINMUX_DATA(IRQ1_MARK, HIZC9_IRQ1, IRQ1),
+	PINMUX_DATA(IRQ2_MARK, PSA4_IRQ2, HIZC10_IRQ2, IRQ2_SDHID2),
+	PINMUX_DATA(IRQ3_MARK, PSE15_SIOF0_MCK_IRQ3, PSB8_IRQ3,
+		    HIZC11_IRQ3, PTQ0),
+	PINMUX_DATA(IRQ4_MARK, PSA9_IRQ4, HIZC12_IRQ4, IRQ4_BS),
+	PINMUX_DATA(IRQ5_MARK, HIZC13_IRQ5, IRQ5),
+	PINMUX_DATA(IRQ6_MARK, PSA15_IRQ6, HIZC14_IRQ6, KEYIN0_IRQ6),
+	PINMUX_DATA(IRQ7_MARK, PSA14_IRQ7, HIZC15_IRQ7, KEYIN4_IRQ7),
+
+	/* SDHI */
+	PINMUX_DATA(SDHICD_MARK, SDHICD),
+	PINMUX_DATA(SDHIWP_MARK, SDHIWP),
+	PINMUX_DATA(SDHID3_MARK, SDHID3),
+	PINMUX_DATA(SDHID2_MARK, PSA4_SDHID2, IRQ2_SDHID2),
+	PINMUX_DATA(SDHID1_MARK, SDHID1),
+	PINMUX_DATA(SDHID0_MARK, SDHID0),
+	PINMUX_DATA(SDHICMD_MARK, SDHICMD),
+	PINMUX_DATA(SDHICLK_MARK, SDHICLK),
+
+	/* SIU - Port A */
+	PINMUX_DATA(SIUAOLR_MARK, PSC13_SIUAOLR, SIUAOLR_SIOF1_SYNC),
+	PINMUX_DATA(SIUAOBT_MARK, PSC14_SIUAOBT, SIUAOBT_SIOF1_SCK),
+	PINMUX_DATA(SIUAISLD_MARK, PSC15_SIUAISLD, SIUAISLD_SIOF1_RXD),
+	PINMUX_DATA(SIUAILR_MARK, PSC11_SIUAILR, SIUAILR_SIOF1_SS2),
+	PINMUX_DATA(SIUAIBT_MARK, PSC12_SIUAIBT, SIUAIBT_SIOF1_SS1),
+	PINMUX_DATA(SIUAOSLD_MARK, PSB0_SIUAOSLD, SIUAOSLD_SIOF1_TXD),
+	PINMUX_DATA(SIUMCKA_MARK, PSE11_SIUMCKA_SIOF1_MCK, PSB1_SIUMCKA, PTK0),
+	PINMUX_DATA(SIUFCKA_MARK, PSE11_SIUFCKA, PTK0),
+
+	/* SIU - Port B */
+	PINMUX_DATA(SIUBOLR_MARK, PSB11_SIUBOLR, SIOSTRB1_SIUBOLR),
+	PINMUX_DATA(SIUBOBT_MARK, PSB10_SIUBOBT, SIOSCK_SIUBOBT),
+	PINMUX_DATA(SIUBISLD_MARK, PSB14_SIUBISLD, SIORXD_SIUBISLD),
+	PINMUX_DATA(SIUBILR_MARK, PSB13_SIUBILR, SIOD_SIUBILR),
+	PINMUX_DATA(SIUBIBT_MARK, PSB12_SIUBIBT, SIOSTRB0_SIUBIBT),
+	PINMUX_DATA(SIUBOSLD_MARK, PSB15_SIUBOSLD, SIOTXD_SIUBOSLD),
+	PINMUX_DATA(SIUMCKB_MARK, PSD9_SIOMCK_SIUMCKB, PSB9_SIUMCKB, PTF6),
+	PINMUX_DATA(SIUFCKB_MARK, PSD9_SIUFCKB, PTF6),
+
+	/* AUD */
+	PINMUX_DATA(AUDSYNC_MARK, AUDSYNC),
+	PINMUX_DATA(AUDATA3_MARK, AUDATA3),
+	PINMUX_DATA(AUDATA2_MARK, AUDATA2),
+	PINMUX_DATA(AUDATA1_MARK, AUDATA1),
+	PINMUX_DATA(AUDATA0_MARK, AUDATA0),
+
+	/* DMAC */
+	PINMUX_DATA(DACK_MARK, PSE12_DACK, LCDVSYN2_DACK),
+	PINMUX_DATA(DREQ0_MARK, DREQ0),
+
+	/* VOU */
+	PINMUX_DATA(DV_CLKI_MARK, PSD0_DV, LCDD19_DV_CLKI),
+	PINMUX_DATA(DV_CLK_MARK, PSD0_DV, LCDD18_DV_CLK),
+	PINMUX_DATA(DV_HSYNC_MARK, PSD0_DV, LCDD17_DV_HSYNC),
+	PINMUX_DATA(DV_VSYNC_MARK, PSD0_DV, LCDD16_DV_VSYNC),
+	PINMUX_DATA(DV_D15_MARK, PSD0_DV, LCDD15_DV_D15),
+	PINMUX_DATA(DV_D14_MARK, PSD0_DV, LCDD14_DV_D14),
+	PINMUX_DATA(DV_D13_MARK, PSD0_DV, LCDD13_DV_D13),
+	PINMUX_DATA(DV_D12_MARK, PSD0_DV, LCDD12_DV_D12),
+	PINMUX_DATA(DV_D11_MARK, PSD0_DV, LCDD11_DV_D11),
+	PINMUX_DATA(DV_D10_MARK, PSD0_DV, LCDD10_DV_D10),
+	PINMUX_DATA(DV_D9_MARK, PSD0_DV, LCDD9_DV_D9),
+	PINMUX_DATA(DV_D8_MARK, PSD0_DV, LCDD8_DV_D8),
+	PINMUX_DATA(DV_D7_MARK, PSD0_DV, LCDD7_DV_D7),
+	PINMUX_DATA(DV_D6_MARK, PSD0_DV, LCDD6_DV_D6),
+	PINMUX_DATA(DV_D5_MARK, PSD0_DV, LCDD5_DV_D5),
+	PINMUX_DATA(DV_D4_MARK, PSD0_DV, LCDD4_DV_D4),
+	PINMUX_DATA(DV_D3_MARK, PSD0_DV, LCDD3_DV_D3),
+	PINMUX_DATA(DV_D2_MARK, PSD0_DV, LCDD2_DV_D2),
+	PINMUX_DATA(DV_D1_MARK, PSD0_DV, LCDD1_DV_D1),
+	PINMUX_DATA(DV_D0_MARK, PSD0_DV, LCDD0_DV_D0),
+
+	/* CPG */
+	PINMUX_DATA(STATUS0_MARK, STATUS0),
+	PINMUX_DATA(PDSTATUS_MARK, PDSTATUS),
+
+	/* SIOF0 */
+	PINMUX_DATA(SIOF0_MCK_MARK, PSE15_SIOF0_MCK_IRQ3, PSB8_SIOF0_MCK, PTQ0),
+	PINMUX_DATA(SIOF0_SCK_MARK, PSB5_SIOF0_SCK, SIOF0_SCK_TS_SCK),
+	PINMUX_DATA(SIOF0_SYNC_MARK, PSB4_SIOF0_SYNC, SIOF0_SYNC_TS_SDEN),
+	PINMUX_DATA(SIOF0_SS1_MARK, PSB3_SIOF0_SS1, SIOF0_SS1_TS_SPSYNC),
+	PINMUX_DATA(SIOF0_SS2_MARK, PSB2_SIOF0_SS2, SIOF0_SS2_SIM_RST),
+	PINMUX_DATA(SIOF0_TXD_MARK, PSE14_SIOF0_TXD_IRDA_OUT,
+		    PSB7_SIOF0_TXD, PTQ1),
+	PINMUX_DATA(SIOF0_RXD_MARK, PSE13_SIOF0_RXD_IRDA_IN,
+		    PSB6_SIOF0_RXD, PTQ2),
+
+	/* SIOF1 */
+	PINMUX_DATA(SIOF1_MCK_MARK, PSE11_SIUMCKA_SIOF1_MCK,
+		    PSB1_SIOF1_MCK, PTK0),
+	PINMUX_DATA(SIOF1_SCK_MARK, PSC14_SIOF1_SCK, SIUAOBT_SIOF1_SCK),
+	PINMUX_DATA(SIOF1_SYNC_MARK, PSC13_SIOF1_SYNC, SIUAOLR_SIOF1_SYNC),
+	PINMUX_DATA(SIOF1_SS1_MARK, PSC12_SIOF1_SS1, SIUAIBT_SIOF1_SS1),
+	PINMUX_DATA(SIOF1_SS2_MARK, PSC11_SIOF1_SS2, SIUAILR_SIOF1_SS2),
+	PINMUX_DATA(SIOF1_TXD_MARK, PSB0_SIOF1_TXD, SIUAOSLD_SIOF1_TXD),
+	PINMUX_DATA(SIOF1_RXD_MARK, PSC15_SIOF1_RXD, SIUAISLD_SIOF1_RXD),
+
+	/* SIM */
+	PINMUX_DATA(SIM_D_MARK, PSE15_SIM_D, PTQ0),
+	PINMUX_DATA(SIM_CLK_MARK, PSE14_SIM_CLK, PTQ1),
+	PINMUX_DATA(SIM_RST_MARK, PSB2_SIM_RST, SIOF0_SS2_SIM_RST),
+
+	/* TSIF */
+	PINMUX_DATA(TS_SDAT_MARK, PSE13_TS_SDAT, PTQ2),
+	PINMUX_DATA(TS_SCK_MARK, PSB5_TS_SCK, SIOF0_SCK_TS_SCK),
+	PINMUX_DATA(TS_SDEN_MARK, PSB4_TS_SDEN, SIOF0_SYNC_TS_SDEN),
+	PINMUX_DATA(TS_SPSYNC_MARK, PSB3_TS_SPSYNC, SIOF0_SS1_TS_SPSYNC),
+
+	/* IRDA */
+	PINMUX_DATA(IRDA_IN_MARK, PSE13_SIOF0_RXD_IRDA_IN, PSB6_IRDA_IN, PTQ2),
+	PINMUX_DATA(IRDA_OUT_MARK, PSE14_SIOF0_TXD_IRDA_OUT,
+		    PSB7_IRDA_OUT, PTQ1),
+
+	/* TPU */
+	PINMUX_DATA(TPUTO_MARK, PSD8_TPUTO, SCIF0_SCK_TPUTO),
+
+	/* FLCTL */
+	PINMUX_DATA(FCE_MARK, PSE3_FLCTL, FCE_VIO_HD2),
+	PINMUX_DATA(NAF7_MARK, PSC0_NAF, HIZA10_NAF, NAF7_VIO_D15),
+	PINMUX_DATA(NAF6_MARK, PSC0_NAF, HIZA10_NAF, NAF6_VIO_D14),
+	PINMUX_DATA(NAF5_MARK, PSC0_NAF, HIZA10_NAF, NAF5_VIO_D13),
+	PINMUX_DATA(NAF4_MARK, PSC0_NAF, HIZA10_NAF, NAF4_VIO_D12),
+	PINMUX_DATA(NAF3_MARK, PSC0_NAF, HIZA10_NAF, NAF3_VIO_D11),
+	PINMUX_DATA(NAF2_MARK, PSE2_NAF2, HIZB0_VIO, NAF2_VIO_D10),
+	PINMUX_DATA(NAF1_MARK, PSE1_NAF1, HIZB0_VIO, NAF1_VIO_D9),
+	PINMUX_DATA(NAF0_MARK, PSE0_NAF0, HIZB0_VIO, NAF0_VIO_D8),
+	PINMUX_DATA(FCDE_MARK, FCDE),
+	PINMUX_DATA(FOE_MARK, PSE3_FLCTL, HIZB0_VIO, FOE_VIO_VD2),
+	PINMUX_DATA(FSC_MARK, FSC),
+	PINMUX_DATA(FWE_MARK, FWE),
+	PINMUX_DATA(FRB_MARK, PSE3_FLCTL, FRB_VIO_CLK2),
+
+	/* KEYSC */
+	PINMUX_DATA(KEYIN0_MARK, PSA15_KEYIN0, HIZC14_IRQ6, KEYIN0_IRQ6),
+	PINMUX_DATA(KEYIN1_MARK, HIZA14_KEYSC, KEYIN1),
+	PINMUX_DATA(KEYIN2_MARK, HIZA14_KEYSC, KEYIN2),
+	PINMUX_DATA(KEYIN3_MARK, HIZA14_KEYSC, KEYIN3),
+	PINMUX_DATA(KEYIN4_MARK, PSA14_KEYIN4, HIZC15_IRQ7, KEYIN4_IRQ7),
+	PINMUX_DATA(KEYOUT0_MARK, HIZA14_KEYSC, KEYOUT0),
+	PINMUX_DATA(KEYOUT1_MARK, HIZA14_KEYSC, KEYOUT1),
+	PINMUX_DATA(KEYOUT2_MARK, HIZA14_KEYSC, KEYOUT2),
+	PINMUX_DATA(KEYOUT3_MARK, HIZA14_KEYSC, KEYOUT3),
+	PINMUX_DATA(KEYOUT4_IN6_MARK, HIZA14_KEYSC, KEYOUT4_IN6),
+	PINMUX_DATA(KEYOUT5_IN5_MARK, HIZA14_KEYSC, KEYOUT5_IN5),
+};
+
+static struct pinmux_gpio pinmux_gpios[] = {
+	/* PTA */
+	PINMUX_GPIO(GPIO_PTA7, PTA7_DATA),
+	PINMUX_GPIO(GPIO_PTA6, PTA6_DATA),
+	PINMUX_GPIO(GPIO_PTA5, PTA5_DATA),
+	PINMUX_GPIO(GPIO_PTA4, PTA4_DATA),
+	PINMUX_GPIO(GPIO_PTA3, PTA3_DATA),
+	PINMUX_GPIO(GPIO_PTA2, PTA2_DATA),
+	PINMUX_GPIO(GPIO_PTA1, PTA1_DATA),
+	PINMUX_GPIO(GPIO_PTA0, PTA0_DATA),
+
+	/* PTB */
+	PINMUX_GPIO(GPIO_PTB7, PTB7_DATA),
+	PINMUX_GPIO(GPIO_PTB6, PTB6_DATA),
+	PINMUX_GPIO(GPIO_PTB5, PTB5_DATA),
+	PINMUX_GPIO(GPIO_PTB4, PTB4_DATA),
+	PINMUX_GPIO(GPIO_PTB3, PTB3_DATA),
+	PINMUX_GPIO(GPIO_PTB2, PTB2_DATA),
+	PINMUX_GPIO(GPIO_PTB1, PTB1_DATA),
+	PINMUX_GPIO(GPIO_PTB0, PTB0_DATA),
+
+	/* PTC */
+	PINMUX_GPIO(GPIO_PTC7, PTC7_DATA),
+	PINMUX_GPIO(GPIO_PTC5, PTC5_DATA),
+	PINMUX_GPIO(GPIO_PTC4, PTC4_DATA),
+	PINMUX_GPIO(GPIO_PTC3, PTC3_DATA),
+	PINMUX_GPIO(GPIO_PTC2, PTC2_DATA),
+	PINMUX_GPIO(GPIO_PTC0, PTC0_DATA),
+
+	/* PTD */
+	PINMUX_GPIO(GPIO_PTD7, PTD7_DATA),
+	PINMUX_GPIO(GPIO_PTD6, PTD6_DATA),
+	PINMUX_GPIO(GPIO_PTD5, PTD5_DATA),
+	PINMUX_GPIO(GPIO_PTD4, PTD4_DATA),
+	PINMUX_GPIO(GPIO_PTD3, PTD3_DATA),
+	PINMUX_GPIO(GPIO_PTD2, PTD2_DATA),
+	PINMUX_GPIO(GPIO_PTD1, PTD1_DATA),
+	PINMUX_GPIO(GPIO_PTD0, PTD0_DATA),
+
+	/* PTE */
+	PINMUX_GPIO(GPIO_PTE7, PTE7_DATA),
+	PINMUX_GPIO(GPIO_PTE6, PTE6_DATA),
+	PINMUX_GPIO(GPIO_PTE5, PTE5_DATA),
+	PINMUX_GPIO(GPIO_PTE4, PTE4_DATA),
+	PINMUX_GPIO(GPIO_PTE1, PTE1_DATA),
+	PINMUX_GPIO(GPIO_PTE0, PTE0_DATA),
+
+	/* PTF */
+	PINMUX_GPIO(GPIO_PTF6, PTF6_DATA),
+	PINMUX_GPIO(GPIO_PTF5, PTF5_DATA),
+	PINMUX_GPIO(GPIO_PTF4, PTF4_DATA),
+	PINMUX_GPIO(GPIO_PTF3, PTF3_DATA),
+	PINMUX_GPIO(GPIO_PTF2, PTF2_DATA),
+	PINMUX_GPIO(GPIO_PTF1, PTF1_DATA),
+	PINMUX_GPIO(GPIO_PTF0, PTF0_DATA),
+
+	/* PTG */
+	PINMUX_GPIO(GPIO_PTG4, PTG4_DATA),
+	PINMUX_GPIO(GPIO_PTG3, PTG3_DATA),
+	PINMUX_GPIO(GPIO_PTG2, PTG2_DATA),
+	PINMUX_GPIO(GPIO_PTG1, PTG1_DATA),
+	PINMUX_GPIO(GPIO_PTG0, PTG0_DATA),
+
+	/* PTH */
+	PINMUX_GPIO(GPIO_PTH7, PTH7_DATA),
+	PINMUX_GPIO(GPIO_PTH6, PTH6_DATA),
+	PINMUX_GPIO(GPIO_PTH5, PTH5_DATA),
+	PINMUX_GPIO(GPIO_PTH4, PTH4_DATA),
+	PINMUX_GPIO(GPIO_PTH3, PTH3_DATA),
+	PINMUX_GPIO(GPIO_PTH2, PTH2_DATA),
+	PINMUX_GPIO(GPIO_PTH1, PTH1_DATA),
+	PINMUX_GPIO(GPIO_PTH0, PTH0_DATA),
+
+	/* PTJ */
+	PINMUX_GPIO(GPIO_PTJ7, PTJ7_DATA),
+	PINMUX_GPIO(GPIO_PTJ6, PTJ6_DATA),
+	PINMUX_GPIO(GPIO_PTJ5, PTJ5_DATA),
+	PINMUX_GPIO(GPIO_PTJ1, PTJ1_DATA),
+	PINMUX_GPIO(GPIO_PTJ0, PTJ0_DATA),
+
+	/* PTK */
+	PINMUX_GPIO(GPIO_PTK6, PTK6_DATA),
+	PINMUX_GPIO(GPIO_PTK5, PTK5_DATA),
+	PINMUX_GPIO(GPIO_PTK4, PTK4_DATA),
+	PINMUX_GPIO(GPIO_PTK3, PTK3_DATA),
+	PINMUX_GPIO(GPIO_PTK2, PTK2_DATA),
+	PINMUX_GPIO(GPIO_PTK1, PTK1_DATA),
+	PINMUX_GPIO(GPIO_PTK0, PTK0_DATA),
+
+	/* PTL */
+	PINMUX_GPIO(GPIO_PTL7, PTL7_DATA),
+	PINMUX_GPIO(GPIO_PTL6, PTL6_DATA),
+	PINMUX_GPIO(GPIO_PTL5, PTL5_DATA),
+	PINMUX_GPIO(GPIO_PTL4, PTL4_DATA),
+	PINMUX_GPIO(GPIO_PTL3, PTL3_DATA),
+	PINMUX_GPIO(GPIO_PTL2, PTL2_DATA),
+	PINMUX_GPIO(GPIO_PTL1, PTL1_DATA),
+	PINMUX_GPIO(GPIO_PTL0, PTL0_DATA),
+
+	/* PTM */
+	PINMUX_GPIO(GPIO_PTM7, PTM7_DATA),
+	PINMUX_GPIO(GPIO_PTM6, PTM6_DATA),
+	PINMUX_GPIO(GPIO_PTM5, PTM5_DATA),
+	PINMUX_GPIO(GPIO_PTM4, PTM4_DATA),
+	PINMUX_GPIO(GPIO_PTM3, PTM3_DATA),
+	PINMUX_GPIO(GPIO_PTM2, PTM2_DATA),
+	PINMUX_GPIO(GPIO_PTM1, PTM1_DATA),
+	PINMUX_GPIO(GPIO_PTM0, PTM0_DATA),
+
+	/* PTN */
+	PINMUX_GPIO(GPIO_PTN7, PTN7_DATA),
+	PINMUX_GPIO(GPIO_PTN6, PTN6_DATA),
+	PINMUX_GPIO(GPIO_PTN5, PTN5_DATA),
+	PINMUX_GPIO(GPIO_PTN4, PTN4_DATA),
+	PINMUX_GPIO(GPIO_PTN3, PTN3_DATA),
+	PINMUX_GPIO(GPIO_PTN2, PTN2_DATA),
+	PINMUX_GPIO(GPIO_PTN1, PTN1_DATA),
+	PINMUX_GPIO(GPIO_PTN0, PTN0_DATA),
+
+	/* PTQ */
+	PINMUX_GPIO(GPIO_PTQ6, PTQ6_DATA),
+	PINMUX_GPIO(GPIO_PTQ5, PTQ5_DATA),
+	PINMUX_GPIO(GPIO_PTQ4, PTQ4_DATA),
+	PINMUX_GPIO(GPIO_PTQ3, PTQ3_DATA),
+	PINMUX_GPIO(GPIO_PTQ2, PTQ2_DATA),
+	PINMUX_GPIO(GPIO_PTQ1, PTQ1_DATA),
+	PINMUX_GPIO(GPIO_PTQ0, PTQ0_DATA),
+
+	/* PTR */
+	PINMUX_GPIO(GPIO_PTR4, PTR4_DATA),
+	PINMUX_GPIO(GPIO_PTR3, PTR3_DATA),
+	PINMUX_GPIO(GPIO_PTR2, PTR2_DATA),
+	PINMUX_GPIO(GPIO_PTR1, PTR1_DATA),
+	PINMUX_GPIO(GPIO_PTR0, PTR0_DATA),
+
+	/* PTS */
+	PINMUX_GPIO(GPIO_PTS4, PTS4_DATA),
+	PINMUX_GPIO(GPIO_PTS3, PTS3_DATA),
+	PINMUX_GPIO(GPIO_PTS2, PTS2_DATA),
+	PINMUX_GPIO(GPIO_PTS1, PTS1_DATA),
+	PINMUX_GPIO(GPIO_PTS0, PTS0_DATA),
+
+	/* PTT */
+	PINMUX_GPIO(GPIO_PTT4, PTT4_DATA),
+	PINMUX_GPIO(GPIO_PTT3, PTT3_DATA),
+	PINMUX_GPIO(GPIO_PTT2, PTT2_DATA),
+	PINMUX_GPIO(GPIO_PTT1, PTT1_DATA),
+	PINMUX_GPIO(GPIO_PTT0, PTT0_DATA),
+
+	/* PTU */
+	PINMUX_GPIO(GPIO_PTU4, PTU4_DATA),
+	PINMUX_GPIO(GPIO_PTU3, PTU3_DATA),
+	PINMUX_GPIO(GPIO_PTU2, PTU2_DATA),
+	PINMUX_GPIO(GPIO_PTU1, PTU1_DATA),
+	PINMUX_GPIO(GPIO_PTU0, PTU0_DATA),
+
+	/* PTV */
+	PINMUX_GPIO(GPIO_PTV4, PTV4_DATA),
+	PINMUX_GPIO(GPIO_PTV3, PTV3_DATA),
+	PINMUX_GPIO(GPIO_PTV2, PTV2_DATA),
+	PINMUX_GPIO(GPIO_PTV1, PTV1_DATA),
+	PINMUX_GPIO(GPIO_PTV0, PTV0_DATA),
+
+	/* PTW */
+	PINMUX_GPIO(GPIO_PTW6, PTW6_DATA),
+	PINMUX_GPIO(GPIO_PTW5, PTW5_DATA),
+	PINMUX_GPIO(GPIO_PTW4, PTW4_DATA),
+	PINMUX_GPIO(GPIO_PTW3, PTW3_DATA),
+	PINMUX_GPIO(GPIO_PTW2, PTW2_DATA),
+	PINMUX_GPIO(GPIO_PTW1, PTW1_DATA),
+	PINMUX_GPIO(GPIO_PTW0, PTW0_DATA),
+
+	/* PTX */
+	PINMUX_GPIO(GPIO_PTX6, PTX6_DATA),
+	PINMUX_GPIO(GPIO_PTX5, PTX5_DATA),
+	PINMUX_GPIO(GPIO_PTX4, PTX4_DATA),
+	PINMUX_GPIO(GPIO_PTX3, PTX3_DATA),
+	PINMUX_GPIO(GPIO_PTX2, PTX2_DATA),
+	PINMUX_GPIO(GPIO_PTX1, PTX1_DATA),
+	PINMUX_GPIO(GPIO_PTX0, PTX0_DATA),
+
+	/* PTY */
+	PINMUX_GPIO(GPIO_PTY5, PTY5_DATA),
+	PINMUX_GPIO(GPIO_PTY4, PTY4_DATA),
+	PINMUX_GPIO(GPIO_PTY3, PTY3_DATA),
+	PINMUX_GPIO(GPIO_PTY2, PTY2_DATA),
+	PINMUX_GPIO(GPIO_PTY1, PTY1_DATA),
+	PINMUX_GPIO(GPIO_PTY0, PTY0_DATA),
+
+	/* PTZ */
+	PINMUX_GPIO(GPIO_PTZ5, PTZ5_DATA),
+	PINMUX_GPIO(GPIO_PTZ4, PTZ4_DATA),
+	PINMUX_GPIO(GPIO_PTZ3, PTZ3_DATA),
+	PINMUX_GPIO(GPIO_PTZ2, PTZ2_DATA),
+	PINMUX_GPIO(GPIO_PTZ1, PTZ1_DATA),
+
+	/* SCIF0 */
+	PINMUX_GPIO(GPIO_FN_SCIF0_TXD, SCIF0_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_RXD, SCIF0_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_RTS, SCIF0_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_CTS, SCIF0_CTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_SCK, SCIF0_SCK_MARK),
+
+	/* SCIF1 */
+	PINMUX_GPIO(GPIO_FN_SCIF1_TXD, SCIF1_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_RXD, SCIF1_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_RTS, SCIF1_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_CTS, SCIF1_CTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_SCK, SCIF1_SCK_MARK),
+
+	/* SCIF2 */
+	PINMUX_GPIO(GPIO_FN_SCIF2_TXD, SCIF2_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_RXD, SCIF2_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_RTS, SCIF2_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_CTS, SCIF2_CTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_SCK, SCIF2_SCK_MARK),
+
+	/* SIO */
+	PINMUX_GPIO(GPIO_FN_SIOTXD, SIOTXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIORXD, SIORXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOD, SIOD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOSTRB0, SIOSTRB0_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOSTRB1, SIOSTRB1_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOSCK, SIOSCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOMCK, SIOMCK_MARK),
+
+	/* CEU */
+	PINMUX_GPIO(GPIO_FN_VIO_D15, VIO_D15_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D14, VIO_D14_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D13, VIO_D13_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D12, VIO_D12_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D11, VIO_D11_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D10, VIO_D10_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D9, VIO_D9_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D8, VIO_D8_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D7, VIO_D7_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D6, VIO_D6_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D5, VIO_D5_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D4, VIO_D4_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D3, VIO_D3_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D2, VIO_D2_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D1, VIO_D1_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D0, VIO_D0_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_CLK, VIO_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_VD, VIO_VD_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_HD, VIO_HD_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_FLD, VIO_FLD_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_CKO, VIO_CKO_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_STEX, VIO_STEX_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_STEM, VIO_STEM_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_VD2, VIO_VD2_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_HD2, VIO_HD2_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_CLK2, VIO_CLK2_MARK),
+
+	/* LCDC */
+	PINMUX_GPIO(GPIO_FN_LCDD23, LCDD23_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD22, LCDD22_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD21, LCDD21_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD20, LCDD20_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD19, LCDD19_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD18, LCDD18_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD17, LCDD17_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD16, LCDD16_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD15, LCDD15_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD14, LCDD14_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD13, LCDD13_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD12, LCDD12_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD11, LCDD11_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD10, LCDD10_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD9, LCDD9_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD8, LCDD8_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD7, LCDD7_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD6, LCDD6_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD5, LCDD5_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD4, LCDD4_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD3, LCDD3_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD2, LCDD2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD1, LCDD1_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD0, LCDD0_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDLCLK, LCDLCLK_MARK),
+	/* Main LCD */
+	PINMUX_GPIO(GPIO_FN_LCDDON, LCDDON_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVCPWC, LCDVCPWC_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVEPWC, LCDVEPWC_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVSYN, LCDVSYN_MARK),
+	/* Main LCD - RGB Mode */
+	PINMUX_GPIO(GPIO_FN_LCDDCK, LCDDCK_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDHSYN, LCDHSYN_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDDISP, LCDDISP_MARK),
+	/* Main LCD - SYS Mode */
+	PINMUX_GPIO(GPIO_FN_LCDRS, LCDRS_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDCS, LCDCS_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDWR, LCDWR_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDRD, LCDRD_MARK),
+	/* Sub LCD - SYS Mode */
+	PINMUX_GPIO(GPIO_FN_LCDDON2, LCDDON2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVCPWC2, LCDVCPWC2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVEPWC2, LCDVEPWC2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVSYN2, LCDVSYN2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDCS2, LCDCS2_MARK),
+
+	/* BSC */
+	PINMUX_GPIO(GPIO_FN_IOIS16, IOIS16_MARK),
+	PINMUX_GPIO(GPIO_FN_A25, A25_MARK),
+	PINMUX_GPIO(GPIO_FN_A24, A24_MARK),
+	PINMUX_GPIO(GPIO_FN_A23, A23_MARK),
+	PINMUX_GPIO(GPIO_FN_A22, A22_MARK),
+	PINMUX_GPIO(GPIO_FN_BS, BS_MARK),
+	PINMUX_GPIO(GPIO_FN_CS6B_CE1B, CS6B_CE1B_MARK),
+	PINMUX_GPIO(GPIO_FN_WAIT, WAIT_MARK),
+	PINMUX_GPIO(GPIO_FN_CS6A_CE2B, CS6A_CE2B_MARK),
+
+	/* SBSC */
+	PINMUX_GPIO(GPIO_FN_HPD63, HPD63_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD62, HPD62_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD61, HPD61_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD60, HPD60_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD59, HPD59_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD58, HPD58_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD57, HPD57_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD56, HPD56_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD55, HPD55_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD54, HPD54_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD53, HPD53_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD52, HPD52_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD51, HPD51_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD50, HPD50_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD49, HPD49_MARK),
+	PINMUX_GPIO(GPIO_FN_HPD48, HPD48_MARK),
+	PINMUX_GPIO(GPIO_FN_HPDQM7, HPDQM7_MARK),
+	PINMUX_GPIO(GPIO_FN_HPDQM6, HPDQM6_MARK),
+	PINMUX_GPIO(GPIO_FN_HPDQM5, HPDQM5_MARK),
+	PINMUX_GPIO(GPIO_FN_HPDQM4, HPDQM4_MARK),
+
+	/* IRQ */
+	PINMUX_GPIO(GPIO_FN_IRQ0, IRQ0_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ1, IRQ1_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ2, IRQ2_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ3, IRQ3_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ4, IRQ4_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ5, IRQ5_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ6, IRQ6_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ7, IRQ7_MARK),
+
+	/* SDHI */
+	PINMUX_GPIO(GPIO_FN_SDHICD, SDHICD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHIWP, SDHIWP_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHID3, SDHID3_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHID2, SDHID2_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHID1, SDHID1_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHID0, SDHID0_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHICMD, SDHICMD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHICLK, SDHICLK_MARK),
+
+	/* SIU - Port A */
+	PINMUX_GPIO(GPIO_FN_SIUAOLR, SIUAOLR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAOBT, SIUAOBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAISLD, SIUAISLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAILR, SIUAILR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAIBT, SIUAIBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAOSLD, SIUAOSLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUMCKA, SIUMCKA_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUFCKA, SIUFCKA_MARK),
+
+	/* SIU - Port B */
+	PINMUX_GPIO(GPIO_FN_SIUBOLR, SIUBOLR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBOBT, SIUBOBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBISLD, SIUBISLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBILR, SIUBILR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBIBT, SIUBIBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBOSLD, SIUBOSLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUMCKB, SIUMCKB_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUFCKB, SIUFCKB_MARK),
+
+	/* AUD */
+	PINMUX_GPIO(GPIO_FN_AUDSYNC, AUDSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA3, AUDATA3_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA2, AUDATA2_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA1, AUDATA1_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA0, AUDATA0_MARK),
+
+	/* DMAC */
+	PINMUX_GPIO(GPIO_FN_DACK, DACK_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ0, DREQ0_MARK),
+
+	/* VOU */
+	PINMUX_GPIO(GPIO_FN_DV_CLKI, DV_CLKI_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_CLK, DV_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_HSYNC, DV_HSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_VSYNC, DV_VSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D15, DV_D15_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D14, DV_D14_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D13, DV_D13_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D12, DV_D12_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D11, DV_D11_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D10, DV_D10_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D9, DV_D9_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D8, DV_D8_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D7, DV_D7_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D6, DV_D6_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D5, DV_D5_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D4, DV_D4_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D3, DV_D3_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D2, DV_D2_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D1, DV_D1_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D0, DV_D0_MARK),
+
+	/* CPG */
+	PINMUX_GPIO(GPIO_FN_STATUS0, STATUS0_MARK),
+	PINMUX_GPIO(GPIO_FN_PDSTATUS, PDSTATUS_MARK),
+
+	/* SIOF0 */
+	PINMUX_GPIO(GPIO_FN_SIOF0_MCK, SIOF0_MCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_SCK, SIOF0_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_SYNC, SIOF0_SYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_SS1, SIOF0_SS1_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_SS2, SIOF0_SS2_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_TXD, SIOF0_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_RXD, SIOF0_RXD_MARK),
+
+	/* SIOF1 */
+	PINMUX_GPIO(GPIO_FN_SIOF1_MCK, SIOF1_MCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_SCK, SIOF1_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_SYNC, SIOF1_SYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_SS1, SIOF1_SS1_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_SS2, SIOF1_SS2_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_TXD, SIOF1_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_RXD, SIOF1_RXD_MARK),
+
+	/* SIM */
+	PINMUX_GPIO(GPIO_FN_SIM_D, SIM_D_MARK),
+	PINMUX_GPIO(GPIO_FN_SIM_CLK, SIM_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIM_RST, SIM_RST_MARK),
+
+	/* TSIF */
+	PINMUX_GPIO(GPIO_FN_TS_SDAT, TS_SDAT_MARK),
+	PINMUX_GPIO(GPIO_FN_TS_SCK, TS_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_TS_SDEN, TS_SDEN_MARK),
+	PINMUX_GPIO(GPIO_FN_TS_SPSYNC, TS_SPSYNC_MARK),
+
+	/* IRDA */
+	PINMUX_GPIO(GPIO_FN_IRDA_IN, IRDA_IN_MARK),
+	PINMUX_GPIO(GPIO_FN_IRDA_OUT, IRDA_OUT_MARK),
+
+	/* TPU */
+	PINMUX_GPIO(GPIO_FN_TPUTO, TPUTO_MARK),
+
+	/* FLCTL */
+	PINMUX_GPIO(GPIO_FN_FCE, FCE_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF7, NAF7_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF6, NAF6_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF5, NAF5_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF4, NAF4_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF3, NAF3_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF2, NAF2_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF1, NAF1_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF0, NAF0_MARK),
+	PINMUX_GPIO(GPIO_FN_FCDE, FCDE_MARK),
+	PINMUX_GPIO(GPIO_FN_FOE, FOE_MARK),
+	PINMUX_GPIO(GPIO_FN_FSC, FSC_MARK),
+	PINMUX_GPIO(GPIO_FN_FWE, FWE_MARK),
+	PINMUX_GPIO(GPIO_FN_FRB, FRB_MARK),
+
+	/* KEYSC */
+	PINMUX_GPIO(GPIO_FN_KEYIN0, KEYIN0_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN1, KEYIN1_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN2, KEYIN2_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN3, KEYIN3_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN4, KEYIN4_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT0, KEYOUT0_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT1, KEYOUT1_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT2, KEYOUT2_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT3, KEYOUT3_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT4_IN6, KEYOUT4_IN6_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT5_IN5, KEYOUT5_IN5_MARK),
+};
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	{ PINMUX_CFG_REG("PACR", 0xa4050100, 16, 2) {
+		VIO_D7_SCIF1_SCK, PTA7_OUT, PTA7_IN_PD, PTA7_IN,
+		VIO_D6_SCIF1_RXD, 0, PTA6_IN_PD, PTA6_IN,
+		VIO_D5_SCIF1_TXD, PTA5_OUT, PTA5_IN_PD, PTA5_IN,
+		VIO_D4, 0, PTA4_IN_PD, PTA4_IN,
+		VIO_D3, 0, PTA3_IN_PD, PTA3_IN,
+		VIO_D2, 0, PTA2_IN_PD, PTA2_IN,
+		VIO_D1, 0, PTA1_IN_PD, PTA1_IN,
+		VIO_D0_LCDLCLK, 0, PTA0_IN_PD, PTA0_IN }
+	},
+	{ PINMUX_CFG_REG("PBCR", 0xa4050102, 16, 2) {
+		HPD55, PTB7_OUT, 0, PTB7_IN,
+		HPD54, PTB6_OUT, 0, PTB6_IN,
+		HPD53, PTB5_OUT, 0, PTB5_IN,
+		HPD52, PTB4_OUT, 0, PTB4_IN,
+		HPD51, PTB3_OUT, 0, PTB3_IN,
+		HPD50, PTB2_OUT, 0, PTB2_IN,
+		HPD49, PTB1_OUT, 0, PTB1_IN,
+		HPD48, PTB0_OUT, 0, PTB0_IN }
+	},
+	{ PINMUX_CFG_REG("PCCR", 0xa4050104, 16, 2) {
+		0, 0, PTC7_IN_PU, PTC7_IN,
+		0, 0, 0, 0,
+		IOIS16, 0, PTC5_IN_PU, PTC5_IN,
+		HPDQM7, PTC4_OUT, 0, PTC4_IN,
+		HPDQM6, PTC3_OUT, 0, PTC3_IN,
+		HPDQM5, PTC2_OUT, 0, PTC2_IN,
+		0, 0, 0, 0,
+		HPDQM4, PTC0_OUT, 0, PTC0_IN }
+	},
+	{ PINMUX_CFG_REG("PDCR", 0xa4050106, 16, 2) {
+		SDHICD, 0, PTD7_IN_PU, PTD7_IN,
+		SDHIWP, PTD6_OUT, PTD6_IN_PU, PTD6_IN,
+		SDHID3, PTD5_OUT, PTD5_IN_PU, PTD5_IN,
+		IRQ2_SDHID2, PTD4_OUT, PTD4_IN_PU, PTD4_IN,
+		SDHID1, PTD3_OUT, PTD3_IN_PU, PTD3_IN,
+		SDHID0, PTD2_OUT, PTD2_IN_PU, PTD2_IN,
+		SDHICMD, PTD1_OUT, PTD1_IN_PU, PTD1_IN,
+		SDHICLK, PTD0_OUT, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PECR", 0xa4050108, 16, 2) {
+		A25, PTE7_OUT, PTE7_IN_PD, PTE7_IN,
+		A24, PTE6_OUT, PTE6_IN_PD, PTE6_IN,
+		A23, PTE5_OUT, PTE5_IN_PD, PTE5_IN,
+		A22, PTE4_OUT, PTE4_IN_PD, PTE4_IN,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		IRQ5, PTE1_OUT, PTE1_IN_PD, PTE1_IN,
+		IRQ4_BS, PTE0_OUT, PTE0_IN_PD, PTE0_IN }
+	},
+	{ PINMUX_CFG_REG("PFCR", 0xa405010a, 16, 2) {
+		0, 0, 0, 0,
+		PTF6, PTF6_OUT, PTF6_IN_PD, PTF6_IN,
+		SIOSCK_SIUBOBT, PTF5_OUT, PTF5_IN_PD, PTF5_IN,
+		SIOSTRB1_SIUBOLR, PTF4_OUT, PTF4_IN_PD, PTF4_IN,
+		SIOSTRB0_SIUBIBT, PTF3_OUT, PTF3_IN_PD, PTF3_IN,
+		SIOD_SIUBILR, PTF2_OUT, PTF2_IN_PD, PTF2_IN,
+		SIORXD_SIUBISLD, 0, PTF1_IN_PD, PTF1_IN,
+		SIOTXD_SIUBOSLD, PTF0_OUT, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PGCR", 0xa405010c, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		AUDSYNC, PTG4_OUT, 0, 0,
+		AUDATA3, PTG3_OUT, 0, 0,
+		AUDATA2, PTG2_OUT, 0, 0,
+		AUDATA1, PTG1_OUT, 0, 0,
+		AUDATA0, PTG0_OUT, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PHCR", 0xa405010e, 16, 2) {
+		LCDVCPWC_LCDVCPWC2, PTH7_OUT, 0, 0,
+		LCDVSYN2_DACK, PTH6_OUT, PTH6_IN_PD, PTH6_IN,
+		LCDVSYN, PTH5_OUT, PTH5_IN_PD, PTH5_IN,
+		LCDDISP_LCDRS, PTH4_OUT, 0, 0,
+		LCDHSYN_LCDCS, PTH3_OUT, 0, 0,
+		LCDDON_LCDDON2, PTH2_OUT, 0, 0,
+		LCDD17_DV_HSYNC, PTH1_OUT, PTH1_IN_PD, PTH1_IN,
+		LCDD16_DV_VSYNC, PTH0_OUT, PTH0_IN_PD, PTH0_IN }
+	},
+	{ PINMUX_CFG_REG("PJCR", 0xa4050110, 16, 2) {
+		STATUS0, PTJ7_OUT, 0, 0,
+		0, PTJ6_OUT, 0, 0,
+		PDSTATUS, PTJ5_OUT, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		IRQ1, PTJ1_OUT, PTJ1_IN_PU, PTJ1_IN,
+		IRQ0, PTJ0_OUT, PTJ0_IN_PU, PTJ0_IN }
+	},
+	{ PINMUX_CFG_REG("PKCR", 0xa4050112, 16, 2) {
+		0, 0, 0, 0,
+		SIUAILR_SIOF1_SS2, PTK6_OUT, PTK6_IN_PD, PTK6_IN,
+		SIUAIBT_SIOF1_SS1, PTK5_OUT, PTK5_IN_PD, PTK5_IN,
+		SIUAOLR_SIOF1_SYNC, PTK4_OUT, PTK4_IN_PD, PTK4_IN,
+		SIUAOBT_SIOF1_SCK, PTK3_OUT, PTK3_IN_PD, PTK3_IN,
+		SIUAISLD_SIOF1_RXD, 0, PTK2_IN_PD, PTK2_IN,
+		SIUAOSLD_SIOF1_TXD, PTK1_OUT, 0, 0,
+		PTK0, PTK0_OUT, PTK0_IN_PD, PTK0_IN }
+	},
+	{ PINMUX_CFG_REG("PLCR", 0xa4050114, 16, 2) {
+		LCDD15_DV_D15, PTL7_OUT, PTL7_IN_PD, PTL7_IN,
+		LCDD14_DV_D14, PTL6_OUT, PTL6_IN_PD, PTL6_IN,
+		LCDD13_DV_D13, PTL5_OUT, PTL5_IN_PD, PTL5_IN,
+		LCDD12_DV_D12, PTL4_OUT, PTL4_IN_PD, PTL4_IN,
+		LCDD11_DV_D11, PTL3_OUT, PTL3_IN_PD, PTL3_IN,
+		LCDD10_DV_D10, PTL2_OUT, PTL2_IN_PD, PTL2_IN,
+		LCDD9_DV_D9, PTL1_OUT, PTL1_IN_PD, PTL1_IN,
+		LCDD8_DV_D8, PTL0_OUT, PTL0_IN_PD, PTL0_IN }
+	},
+	{ PINMUX_CFG_REG("PMCR", 0xa4050116, 16, 2) {
+		LCDD7_DV_D7, PTM7_OUT, PTM7_IN_PD, PTM7_IN,
+		LCDD6_DV_D6, PTM6_OUT, PTM6_IN_PD, PTM6_IN,
+		LCDD5_DV_D5, PTM5_OUT, PTM5_IN_PD, PTM5_IN,
+		LCDD4_DV_D4, PTM4_OUT, PTM4_IN_PD, PTM4_IN,
+		LCDD3_DV_D3, PTM3_OUT, PTM3_IN_PD, PTM3_IN,
+		LCDD2_DV_D2, PTM2_OUT, PTM2_IN_PD, PTM2_IN,
+		LCDD1_DV_D1, PTM1_OUT, PTM1_IN_PD, PTM1_IN,
+		LCDD0_DV_D0, PTM0_OUT, PTM0_IN_PD, PTM0_IN }
+	},
+	{ PINMUX_CFG_REG("PNCR", 0xa4050118, 16, 2) {
+		HPD63, PTN7_OUT, 0, PTN7_IN,
+		HPD62, PTN6_OUT, 0, PTN6_IN,
+		HPD61, PTN5_OUT, 0, PTN5_IN,
+		HPD60, PTN4_OUT, 0, PTN4_IN,
+		HPD59, PTN3_OUT, 0, PTN3_IN,
+		HPD58, PTN2_OUT, 0, PTN2_IN,
+		HPD57, PTN1_OUT, 0, PTN1_IN,
+		HPD56, PTN0_OUT, 0, PTN0_IN }
+	},
+	{ PINMUX_CFG_REG("PQCR", 0xa405011a, 16, 2) {
+		0, 0, 0, 0,
+		SIOF0_SS2_SIM_RST, PTQ6_OUT, 0, 0,
+		SIOF0_SS1_TS_SPSYNC, PTQ5_OUT, PTQ5_IN_PD, PTQ5_IN,
+		SIOF0_SYNC_TS_SDEN, PTQ4_OUT, PTQ4_IN_PD, PTQ4_IN,
+		SIOF0_SCK_TS_SCK, PTQ3_OUT, PTQ3_IN_PD, PTQ3_IN,
+		PTQ2, 0, PTQ2_IN_PD, PTQ2_IN,
+		PTQ1, PTQ1_OUT, 0, 0,
+		PTQ0, PTQ0_OUT, PTQ0_IN_PU, PTQ0_IN }
+	},
+	{ PINMUX_CFG_REG("PRCR", 0xa405011c, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		LCDRD, PTR4_OUT, 0, 0,
+		CS6B_CE1B_LCDCS2, PTR3_OUT, 0, 0,
+		WAIT, 0, PTR2_IN_PU, PTR2_IN,
+		LCDDCK_LCDWR, PTR1_OUT, 0, 0,
+		LCDVEPWC_LCDVEPWC2, PTR0_OUT, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PSCR", 0xa405011e, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		SCIF0_CTS_SIUAISPD, 0, PTS4_IN_PD, PTS4_IN,
+		SCIF0_RTS_SIUAOSPD, PTS3_OUT, 0, 0,
+		SCIF0_SCK_TPUTO, PTS2_OUT, PTS2_IN_PD, PTS2_IN,
+		SCIF0_RXD, 0, PTS1_IN_PD, PTS1_IN,
+		SCIF0_TXD, PTS0_OUT, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PTCR", 0xa4050140, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		FOE_VIO_VD2, PTT4_OUT, PTT4_IN_PD, PTT4_IN,
+		FWE, PTT3_OUT, PTT3_IN_PD, PTT3_IN,
+		FSC, PTT2_OUT, PTT2_IN_PD, PTT2_IN,
+		DREQ0, 0, PTT1_IN_PD, PTT1_IN,
+		FCDE, PTT0_OUT, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PUCR", 0xa4050142, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		NAF2_VIO_D10, PTU4_OUT, PTU4_IN_PD, PTU4_IN,
+		NAF1_VIO_D9, PTU3_OUT, PTU3_IN_PD, PTU3_IN,
+		NAF0_VIO_D8, PTU2_OUT, PTU2_IN_PD, PTU2_IN,
+		FRB_VIO_CLK2, 0, PTU1_IN_PD, PTU1_IN,
+		FCE_VIO_HD2, PTU0_OUT, PTU0_IN_PD, PTU0_IN }
+	},
+	{ PINMUX_CFG_REG("PVCR", 0xa4050144, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		NAF7_VIO_D15, PTV4_OUT, PTV4_IN_PD, PTV4_IN,
+		NAF6_VIO_D14, PTV3_OUT, PTV3_IN_PD, PTV3_IN,
+		NAF5_VIO_D13, PTV2_OUT, PTV2_IN_PD, PTV2_IN,
+		NAF4_VIO_D12, PTV1_OUT, PTV1_IN_PD, PTV1_IN,
+		NAF3_VIO_D11, PTV0_OUT, PTV0_IN_PD, PTV0_IN }
+	},
+	{ PINMUX_CFG_REG("PWCR", 0xa4050146, 16, 2) {
+		0, 0, 0, 0,
+		VIO_FLD_SCIF2_CTS, 0, PTW6_IN_PD, PTW6_IN,
+		VIO_CKO_SCIF2_RTS, PTW5_OUT, 0, 0,
+		VIO_STEX_SCIF2_SCK, PTW4_OUT, PTW4_IN_PD, PTW4_IN,
+		VIO_STEM_SCIF2_TXD, PTW3_OUT, PTW3_IN_PD, PTW3_IN,
+		VIO_HD_SCIF2_RXD, PTW2_OUT, PTW2_IN_PD, PTW2_IN,
+		VIO_VD_SCIF1_CTS, PTW1_OUT, PTW1_IN_PD, PTW1_IN,
+		VIO_CLK_SCIF1_RTS, PTW0_OUT, PTW0_IN_PD, PTW0_IN }
+	},
+	{ PINMUX_CFG_REG("PXCR", 0xa4050148, 16, 2) {
+		0, 0, 0, 0,
+		CS6A_CE2B, PTX6_OUT, PTX6_IN_PU, PTX6_IN,
+		LCDD23, PTX5_OUT, PTX5_IN_PD, PTX5_IN,
+		LCDD22, PTX4_OUT, PTX4_IN_PD, PTX4_IN,
+		LCDD21, PTX3_OUT, PTX3_IN_PD, PTX3_IN,
+		LCDD20, PTX2_OUT, PTX2_IN_PD, PTX2_IN,
+		LCDD19_DV_CLKI, PTX1_OUT, PTX1_IN_PD, PTX1_IN,
+		LCDD18_DV_CLK, PTX0_OUT, PTX0_IN_PD, PTX0_IN }
+	},
+	{ PINMUX_CFG_REG("PYCR", 0xa405014a, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		KEYOUT5_IN5, PTY5_OUT, PTY5_IN_PU, PTY5_IN,
+		KEYOUT4_IN6, PTY4_OUT, PTY4_IN_PU, PTY4_IN,
+		KEYOUT3, PTY3_OUT, PTY3_IN_PU, PTY3_IN,
+		KEYOUT2, PTY2_OUT, PTY2_IN_PU, PTY2_IN,
+		KEYOUT1, PTY1_OUT, 0, 0,
+		KEYOUT0, PTY0_OUT, PTY0_IN_PU, PTY0_IN }
+	},
+	{ PINMUX_CFG_REG("PZCR", 0xa405014c, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		KEYIN4_IRQ7, 0, PTZ5_IN_PU, PTZ5_IN,
+		KEYIN3, 0, PTZ4_IN_PU, PTZ4_IN,
+		KEYIN2, 0, PTZ3_IN_PU, PTZ3_IN,
+		KEYIN1, 0, PTZ2_IN_PU, PTZ2_IN,
+		KEYIN0_IRQ6, 0, PTZ1_IN_PU, PTZ1_IN,
+		0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PSELA", 0xa405014e, 16, 1) {
+		PSA15_KEYIN0, PSA15_IRQ6,
+		PSA14_KEYIN4, PSA14_IRQ7,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		PSA9_IRQ4, PSA9_BS,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		PSA4_IRQ2, PSA4_SDHID2,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0 }
+	},
+	{ PINMUX_CFG_REG("PSELB", 0xa4050150, 16, 1) {
+		PSB15_SIOTXD, PSB15_SIUBOSLD,
+		PSB14_SIORXD, PSB14_SIUBISLD,
+		PSB13_SIOD, PSB13_SIUBILR,
+		PSB12_SIOSTRB0, PSB12_SIUBIBT,
+		PSB11_SIOSTRB1, PSB11_SIUBOLR,
+		PSB10_SIOSCK, PSB10_SIUBOBT,
+		PSB9_SIOMCK, PSB9_SIUMCKB,
+		PSB8_SIOF0_MCK, PSB8_IRQ3,
+		PSB7_SIOF0_TXD, PSB7_IRDA_OUT,
+		PSB6_SIOF0_RXD, PSB6_IRDA_IN,
+		PSB5_SIOF0_SCK, PSB5_TS_SCK,
+		PSB4_SIOF0_SYNC, PSB4_TS_SDEN,
+		PSB3_SIOF0_SS1, PSB3_TS_SPSYNC,
+		PSB2_SIOF0_SS2, PSB2_SIM_RST,
+		PSB1_SIUMCKA, PSB1_SIOF1_MCK,
+		PSB0_SIUAOSLD, PSB0_SIOF1_TXD }
+	},
+	{ PINMUX_CFG_REG("PSELC", 0xa4050152, 16, 1) {
+		PSC15_SIUAISLD, PSC15_SIOF1_RXD,
+		PSC14_SIUAOBT, PSC14_SIOF1_SCK,
+		PSC13_SIUAOLR, PSC13_SIOF1_SYNC,
+		PSC12_SIUAIBT, PSC12_SIOF1_SS1,
+		PSC11_SIUAILR, PSC11_SIOF1_SS2,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		PSC0_NAF, PSC0_VIO }
+	},
+	{ PINMUX_CFG_REG("PSELD", 0xa4050154, 16, 1) {
+		0, 0,
+		0, 0,
+		PSD13_VIO, PSD13_SCIF2,
+		PSD12_VIO, PSD12_SCIF1,
+		PSD11_VIO, PSD11_SCIF1,
+		PSD10_VIO_D0, PSD10_LCDLCLK,
+		PSD9_SIOMCK_SIUMCKB, PSD9_SIUFCKB,
+		PSD8_SCIF0_SCK, PSD8_TPUTO,
+		PSD7_SCIF0_RTS, PSD7_SIUAOSPD,
+		PSD6_SCIF0_CTS, PSD6_SIUAISPD,
+		PSD5_CS6B_CE1B, PSD5_LCDCS2,
+		0, 0,
+		PSD3_LCDVEPWC_LCDVCPWC, PSD3_LCDVEPWC2_LCDVCPWC2,
+		PSD2_LCDDON, PSD2_LCDDON2,
+		0, 0,
+		PSD0_LCDD19_LCDD0, PSD0_DV }
+	},
+	{ PINMUX_CFG_REG("PSELE", 0xa4050156, 16, 1) {
+		PSE15_SIOF0_MCK_IRQ3, PSE15_SIM_D,
+		PSE14_SIOF0_TXD_IRDA_OUT, PSE14_SIM_CLK,
+		PSE13_SIOF0_RXD_IRDA_IN, PSE13_TS_SDAT,
+		PSE12_LCDVSYN2, PSE12_DACK,
+		PSE11_SIUMCKA_SIOF1_MCK, PSE11_SIUFCKA,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		PSE3_FLCTL, PSE3_VIO,
+		PSE2_NAF2, PSE2_VIO_D10,
+		PSE1_NAF1, PSE1_VIO_D9,
+		PSE0_NAF0, PSE0_VIO_D8 }
+	},
+	{ PINMUX_CFG_REG("HIZCRA", 0xa4050158, 16, 1) {
+		0, 0,
+		HIZA14_KEYSC, HIZA14_HIZ,
+		0, 0,
+		0, 0,
+		0, 0,
+		HIZA10_NAF, HIZA10_HIZ,
+		HIZA9_VIO, HIZA9_HIZ,
+		HIZA8_LCDC, HIZA8_HIZ,
+		HIZA7_LCDC, HIZA7_HIZ,
+		HIZA6_LCDC, HIZA6_HIZ,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0 }
+	},
+	{ PINMUX_CFG_REG("HIZCRB", 0xa405015a, 16, 1) {
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		HIZB1_VIO, HIZB1_HIZ,
+		HIZB0_VIO, HIZB0_HIZ }
+	},
+	{ PINMUX_CFG_REG("HIZCRC", 0xa405015c, 16, 1) {
+		HIZC15_IRQ7, HIZC15_HIZ,
+		HIZC14_IRQ6, HIZC14_HIZ,
+		HIZC13_IRQ5, HIZC13_HIZ,
+		HIZC12_IRQ4, HIZC12_HIZ,
+		HIZC11_IRQ3, HIZC11_HIZ,
+		HIZC10_IRQ2, HIZC10_HIZ,
+		HIZC9_IRQ1, HIZC9_HIZ,
+		HIZC8_IRQ0, HIZC8_HIZ,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0 }
+	},
+	{ PINMUX_CFG_REG("MSELCRB", 0xa4050182, 16, 1) {
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		MSELB9_VIO, MSELB9_VIO2,
+		MSELB8_RGB, MSELB8_SYS,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0 }
+	},
+	{}
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PADR", 0xa4050120, 8) {
+		PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+		PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA }
+	},
+	{ PINMUX_DATA_REG("PBDR", 0xa4050122, 8) {
+		PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+		PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA }
+	},
+	{ PINMUX_DATA_REG("PCDR", 0xa4050124, 8) {
+		PTC7_DATA, 0, PTC5_DATA, PTC4_DATA,
+		PTC3_DATA, PTC2_DATA, 0, PTC0_DATA }
+	},
+	{ PINMUX_DATA_REG("PDDR", 0xa4050126, 8) {
+		PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+		PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA }
+	},
+	{ PINMUX_DATA_REG("PEDR", 0xa4050128, 8) {
+		PTE7_DATA, PTE6_DATA, PTE5_DATA, PTE4_DATA,
+		0, 0, PTE1_DATA, PTE0_DATA }
+	},
+	{ PINMUX_DATA_REG("PFDR", 0xa405012a, 8) {
+		0, PTF6_DATA, PTF5_DATA, PTF4_DATA,
+		PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA }
+	},
+	{ PINMUX_DATA_REG("PGDR", 0xa405012c, 8) {
+		0, 0, 0, PTG4_DATA,
+		PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA }
+	},
+	{ PINMUX_DATA_REG("PHDR", 0xa405012e, 8) {
+		PTH7_DATA, PTH6_DATA, PTH5_DATA, PTH4_DATA,
+		PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA }
+	},
+	{ PINMUX_DATA_REG("PJDR", 0xa4050130, 8) {
+		PTJ7_DATA, PTJ6_DATA, PTJ5_DATA, 0,
+		0, 0, PTJ1_DATA, PTJ0_DATA }
+	},
+	{ PINMUX_DATA_REG("PKDR", 0xa4050132, 8) {
+		0, PTK6_DATA, PTK5_DATA, PTK4_DATA,
+		PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA }
+	},
+	{ PINMUX_DATA_REG("PLDR", 0xa4050134, 8) {
+		PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA,
+		PTL3_DATA, PTL2_DATA, PTL1_DATA, PTL0_DATA }
+	},
+	{ PINMUX_DATA_REG("PMDR", 0xa4050136, 8) {
+		PTM7_DATA, PTM6_DATA, PTM5_DATA, PTM4_DATA,
+		PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA }
+	},
+	{ PINMUX_DATA_REG("PNDR", 0xa4050138, 8) {
+		PTN7_DATA, PTN6_DATA, PTN5_DATA, PTN4_DATA,
+		PTN3_DATA, PTN2_DATA, PTN1_DATA, PTN0_DATA }
+	},
+	{ PINMUX_DATA_REG("PQDR", 0xa405013a, 8) {
+		0, PTQ6_DATA, PTQ5_DATA, PTQ4_DATA,
+		PTQ3_DATA, PTQ2_DATA, PTQ1_DATA, PTQ0_DATA }
+	},
+	{ PINMUX_DATA_REG("PRDR", 0xa405013c, 8) {
+		0, 0, 0, PTR4_DATA,
+		PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA }
+	},
+	{ PINMUX_DATA_REG("PSDR", 0xa405013e, 8) {
+		0, 0, 0, PTS4_DATA,
+		PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA }
+	},
+	{ PINMUX_DATA_REG("PTDR", 0xa4050160, 8) {
+		0, 0, 0, PTT4_DATA,
+		PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA }
+	},
+	{ PINMUX_DATA_REG("PUDR", 0xa4050162, 8) {
+		0, 0, 0, PTU4_DATA,
+		PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA }
+	},
+	{ PINMUX_DATA_REG("PVDR", 0xa4050164, 8) {
+		0, 0, 0, PTV4_DATA,
+		PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA }
+	},
+	{ PINMUX_DATA_REG("PWDR", 0xa4050166, 8) {
+		0, PTW6_DATA, PTW5_DATA, PTW4_DATA,
+		PTW3_DATA, PTW2_DATA, PTW1_DATA, PTW0_DATA }
+	},
+	{ PINMUX_DATA_REG("PXDR", 0xa4050168, 8) {
+		0, PTX6_DATA, PTX5_DATA, PTX4_DATA,
+		PTX3_DATA, PTX2_DATA, PTX1_DATA, PTX0_DATA }
+	},
+	{ PINMUX_DATA_REG("PYDR", 0xa405016a, 8) {
+		0, PTY6_DATA, PTY5_DATA, PTY4_DATA,
+		PTY3_DATA, PTY2_DATA, PTY1_DATA, PTY0_DATA }
+	},
+	{ PINMUX_DATA_REG("PZDR", 0xa405016c, 8) {
+		0, 0, PTZ5_DATA, PTZ4_DATA,
+		PTZ3_DATA, PTZ2_DATA, PTZ1_DATA, PTZ0_DATA }
+	},
+	{ },
+};
+
+static struct pinmux_info sh7722_pinmux_info = {
+	.name = "sh7722_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.input_pd = { PINMUX_INPUT_PULLDOWN_BEGIN, PINMUX_INPUT_PULLDOWN_END },
+	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PTA7,
+	.last_gpio = GPIO_FN_KEYOUT5_IN5,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+static int __init plat_pinmux_setup(void)
+{
+	return register_pinmux(&sh7722_pinmux_info);
+}
+
+arch_initcall(plat_pinmux_setup);
-- 
GitLab


From 91b6f3c5252937f85e56c71215b37024827ae924 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:42:01 +0900
Subject: [PATCH 1294/2224] sh: Use sh7722 GPIO on Migo-R board

This patch enables the GPIO code on Migo-R and converts the code from
register based pinmux configuration to GPIO based pin by pin setup.
Fix whitespace damage while at it and add 2 LEDs and export them to
user space.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/Kconfig               |   1 +
 arch/sh/boards/mach-migor/lcd_qvga.c |   6 +-
 arch/sh/boards/mach-migor/setup.c    | 187 +++++++++++++++++----------
 3 files changed, 125 insertions(+), 69 deletions(-)

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index c6b21e82755..4e37f5c0215 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -162,6 +162,7 @@ config SH_SH7785LCR_29BIT_PHYSMAPS
 config SH_MIGOR
 	bool "Migo-R"
 	depends on CPU_SUBTYPE_SH7722
+	select GENERIC_GPIO
 	help
 	  Select Migo-R if configuring for the SH7722 Migo-R platform
           by Renesas System Solutions Asia Pte. Ltd.
diff --git a/arch/sh/boards/mach-migor/lcd_qvga.c b/arch/sh/boards/mach-migor/lcd_qvga.c
index 735326c0449..c283cfc2a5c 100644
--- a/arch/sh/boards/mach-migor/lcd_qvga.c
+++ b/arch/sh/boards/mach-migor/lcd_qvga.c
@@ -17,7 +17,9 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/gpio.h>
 #include <video/sh_mobile_lcdc.h>
+#include <asm/sh7722.h>
 #include <asm/migor.h>
 
 /* LCD Module is a PH240320T according to board schematics. This module
@@ -30,9 +32,9 @@
 
 static void reset_lcd_module(void)
 {
-	ctrl_outb(ctrl_inb(PORT_PHDR) & ~0x04, PORT_PHDR);
+	gpio_set_value(GPIO_PTH2, 0);
 	mdelay(2);
-	ctrl_outb(ctrl_inb(PORT_PHDR) | 0x04, PORT_PHDR);
+	gpio_set_value(GPIO_PTH2, 1);
 	mdelay(1);
 }
 
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index f27475d2fa0..003ce837734 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -17,6 +17,7 @@
 #include <linux/smc91x.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
+#include <linux/gpio.h>
 #include <media/soc_camera_platform.h>
 #include <media/sh_mobile_ceu.h>
 #include <video/sh_mobile_lcdc.h>
@@ -25,6 +26,7 @@
 #include <asm/io.h>
 #include <asm/sh_keysc.h>
 #include <asm/migor.h>
+#include <asm/sh7722.h>
 
 /* Address     IRQ  Size  Bus  Description
  * 0x00000000       64MB  16   NOR Flash (SP29PL256N)
@@ -169,7 +171,7 @@ static void migor_nand_flash_cmd_ctl(struct mtd_info *mtd, int cmd,
 
 static int migor_nand_flash_ready(struct mtd_info *mtd)
 {
-	return ctrl_inb(PORT_PADR) & 0x02; /* PTA1 */
+	return gpio_get_value(GPIO_PTA1); /* NAND_RBn */
 }
 
 struct platform_nand_data migor_nand_flash_data = {
@@ -286,22 +288,15 @@ static struct clk *camera_clk;
 
 static void camera_power_on(void)
 {
-	unsigned char value;
-
 	camera_clk = clk_get(NULL, "video_clk");
 	clk_set_rate(camera_clk, 24000000);
 	clk_enable(camera_clk);	/* start VIO_CKO */
 
+	/* use VIO_RST to take camera out of reset */
 	mdelay(10);
-	value = ctrl_inb(PORT_PTDR);
-	value &= ~0x09;
-#ifndef CONFIG_SH_MIGOR_RTA_WVGA
-	value |= 0x01;
-#endif
-	ctrl_outb(value, PORT_PTDR);
+	gpio_set_value(GPIO_PTT3, 0);
 	mdelay(10);
-
-	ctrl_outb(value | 8, PORT_PTDR);
+	gpio_set_value(GPIO_PTT3, 1);
 }
 
 static void camera_power_off(void)
@@ -309,7 +304,7 @@ static void camera_power_off(void)
 	clk_disable(camera_clk); /* stop VIO_CKO */
 	clk_put(camera_clk);
 
-	ctrl_outb(ctrl_inb(PORT_PTDR) & ~0x08, PORT_PTDR);
+	gpio_set_value(GPIO_PTT3, 0);
 }
 
 #ifdef CONFIG_I2C
@@ -458,75 +453,133 @@ static struct i2c_board_info migor_i2c_devices[] = {
 
 static int __init migor_devices_setup(void)
 {
+	/* Lit D11 LED */
+	gpio_request(GPIO_PTJ7, NULL);
+	gpio_direction_output(GPIO_PTJ7, 1);
+	gpio_export(GPIO_PTJ7, 0);
+
+	/* Lit D12 LED */
+	gpio_request(GPIO_PTJ5, NULL);
+	gpio_direction_output(GPIO_PTJ5, 1);
+	gpio_export(GPIO_PTJ5, 0);
+
+	/* SMC91C111 */
+	gpio_request(GPIO_FN_IRQ0, NULL);
+
+	/* KEYSC */
 	clk_always_enable("mstp214"); /* KEYSC */
+	gpio_request(GPIO_FN_KEYOUT0, NULL);
+	gpio_request(GPIO_FN_KEYOUT1, NULL);
+	gpio_request(GPIO_FN_KEYOUT2, NULL);
+	gpio_request(GPIO_FN_KEYOUT3, NULL);
+	gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
+	gpio_request(GPIO_FN_KEYIN1, NULL);
+	gpio_request(GPIO_FN_KEYIN2, NULL);
+	gpio_request(GPIO_FN_KEYIN3, NULL);
+	gpio_request(GPIO_FN_KEYIN4, NULL);
+	gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
+
+	/* NAND Flash */
+	gpio_request(GPIO_FN_CS6A_CE2B, NULL);
+	ctrl_outl((ctrl_inl(BSC_CS6ABCR) & ~0x0600) | 0x0200, BSC_CS6ABCR);
+	gpio_request(GPIO_PTA1, NULL);
+	gpio_direction_input(GPIO_PTA1);
+
+	/* Touch Panel */
+	gpio_request(GPIO_FN_IRQ6, NULL);
+
+	/* LCD Panel */
 	clk_always_enable("mstp200"); /* LCDC */
+#ifdef CONFIG_SH_MIGOR_QVGA /* LCDC - QVGA - Enable SYS Interface signals */
+	gpio_request(GPIO_FN_LCDD17, NULL);
+	gpio_request(GPIO_FN_LCDD16, NULL);
+	gpio_request(GPIO_FN_LCDD15, NULL);
+	gpio_request(GPIO_FN_LCDD14, NULL);
+	gpio_request(GPIO_FN_LCDD13, NULL);
+	gpio_request(GPIO_FN_LCDD12, NULL);
+	gpio_request(GPIO_FN_LCDD11, NULL);
+	gpio_request(GPIO_FN_LCDD10, NULL);
+	gpio_request(GPIO_FN_LCDD8, NULL);
+	gpio_request(GPIO_FN_LCDD7, NULL);
+	gpio_request(GPIO_FN_LCDD6, NULL);
+	gpio_request(GPIO_FN_LCDD5, NULL);
+	gpio_request(GPIO_FN_LCDD4, NULL);
+	gpio_request(GPIO_FN_LCDD3, NULL);
+	gpio_request(GPIO_FN_LCDD2, NULL);
+	gpio_request(GPIO_FN_LCDD1, NULL);
+	gpio_request(GPIO_FN_LCDRS, NULL);
+	gpio_request(GPIO_FN_LCDCS, NULL);
+	gpio_request(GPIO_FN_LCDRD, NULL);
+	gpio_request(GPIO_FN_LCDWR, NULL);
+	gpio_request(GPIO_PTH2, NULL); /* LCD_DON */
+	gpio_direction_output(GPIO_PTH2, 1);
+#endif
+#ifdef CONFIG_SH_MIGOR_RTA_WVGA /* LCDC - WVGA - Enable RGB Interface signals */
+	gpio_request(GPIO_FN_LCDD15, NULL);
+	gpio_request(GPIO_FN_LCDD14, NULL);
+	gpio_request(GPIO_FN_LCDD13, NULL);
+	gpio_request(GPIO_FN_LCDD12, NULL);
+	gpio_request(GPIO_FN_LCDD11, NULL);
+	gpio_request(GPIO_FN_LCDD10, NULL);
+	gpio_request(GPIO_FN_LCDD9, NULL);
+	gpio_request(GPIO_FN_LCDD8, NULL);
+	gpio_request(GPIO_FN_LCDD7, NULL);
+	gpio_request(GPIO_FN_LCDD6, NULL);
+	gpio_request(GPIO_FN_LCDD5, NULL);
+	gpio_request(GPIO_FN_LCDD4, NULL);
+	gpio_request(GPIO_FN_LCDD3, NULL);
+	gpio_request(GPIO_FN_LCDD2, NULL);
+	gpio_request(GPIO_FN_LCDD1, NULL);
+	gpio_request(GPIO_FN_LCDD0, NULL);
+	gpio_request(GPIO_FN_LCDLCLK, NULL);
+	gpio_request(GPIO_FN_LCDDCK, NULL);
+	gpio_request(GPIO_FN_LCDVEPWC, NULL);
+	gpio_request(GPIO_FN_LCDVCPWC, NULL);
+	gpio_request(GPIO_FN_LCDVSYN, NULL);
+	gpio_request(GPIO_FN_LCDHSYN, NULL);
+	gpio_request(GPIO_FN_LCDDISP, NULL);
+	gpio_request(GPIO_FN_LCDDON, NULL);
+#endif
+
+	/* CEU */
 	clk_always_enable("mstp203"); /* CEU */
+	gpio_request(GPIO_FN_VIO_CLK2, NULL);
+	gpio_request(GPIO_FN_VIO_VD2, NULL);
+	gpio_request(GPIO_FN_VIO_HD2, NULL);
+	gpio_request(GPIO_FN_VIO_FLD, NULL);
+	gpio_request(GPIO_FN_VIO_CKO, NULL);
+	gpio_request(GPIO_FN_VIO_D15, NULL);
+	gpio_request(GPIO_FN_VIO_D14, NULL);
+	gpio_request(GPIO_FN_VIO_D13, NULL);
+	gpio_request(GPIO_FN_VIO_D12, NULL);
+	gpio_request(GPIO_FN_VIO_D11, NULL);
+	gpio_request(GPIO_FN_VIO_D10, NULL);
+	gpio_request(GPIO_FN_VIO_D9, NULL);
+	gpio_request(GPIO_FN_VIO_D8, NULL);
+
+	gpio_request(GPIO_PTT3, NULL); /* VIO_RST */
+	gpio_direction_output(GPIO_PTT3, 0);
+	gpio_request(GPIO_PTT2, NULL); /* TV_IN_EN */
+	gpio_direction_output(GPIO_PTT2, 1);
+	gpio_request(GPIO_PTT0, NULL); /* CAM_EN */
+#ifdef CONFIG_SH_MIGOR_RTA_WVGA
+	gpio_direction_output(GPIO_PTT0, 0);
+#else
+	gpio_direction_output(GPIO_PTT0, 1);
+#endif
+	ctrl_outw(ctrl_inw(PORT_MSELCRB) | 0x2000, PORT_MSELCRB); /* D15->D8 */
 
 	platform_resource_setup_memory(&migor_ceu_device, "ceu", 4 << 20);
 
 	i2c_register_board_info(0, migor_i2c_devices,
 				ARRAY_SIZE(migor_i2c_devices));
- 
+
 	return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
 }
 __initcall(migor_devices_setup);
 
 static void __init migor_setup(char **cmdline_p)
 {
-	/* SMC91C111 - Enable IRQ0 */
-	ctrl_outw(ctrl_inw(PORT_PJCR) & ~0x0003, PORT_PJCR);
-
-	/* KEYSC */
-	ctrl_outw(ctrl_inw(PORT_PYCR) & ~0x0fff, PORT_PYCR);
-	ctrl_outw(ctrl_inw(PORT_PZCR) & ~0x0ff0, PORT_PZCR);
-	ctrl_outw(ctrl_inw(PORT_PSELA) & ~0x4100, PORT_PSELA);
-	ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x4000, PORT_HIZCRA);
-	ctrl_outw(ctrl_inw(PORT_HIZCRC) & ~0xc000, PORT_HIZCRC);
-
-	/* NAND Flash */
-	ctrl_outw(ctrl_inw(PORT_PXCR) & 0x0fff, PORT_PXCR);
-	ctrl_outl((ctrl_inl(BSC_CS6ABCR) & ~0x00000600) | 0x00000200,
-		  BSC_CS6ABCR);
-
-	/* Touch Panel - Enable IRQ6 */
-	ctrl_outw(ctrl_inw(PORT_PZCR) & ~0xc, PORT_PZCR);
-	ctrl_outw((ctrl_inw(PORT_PSELA) | 0x8000), PORT_PSELA);
-	ctrl_outw((ctrl_inw(PORT_HIZCRC) & ~0x4000), PORT_HIZCRC);
-
-#ifdef CONFIG_SH_MIGOR_RTA_WVGA
-	/* LCDC - WVGA - Enable RGB Interface signals */
-	ctrl_outw(ctrl_inw(PORT_PACR) & ~0x0003, PORT_PACR);
-	ctrl_outw(0x0000, PORT_PHCR);
-	ctrl_outw(0x0000, PORT_PLCR);
-	ctrl_outw(0x0000, PORT_PMCR);
-	ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x000f, PORT_PRCR);
-	ctrl_outw((ctrl_inw(PORT_PSELD) & ~0x000d) | 0x0400, PORT_PSELD);
-	ctrl_outw(ctrl_inw(PORT_MSELCRB) & ~0x0100, PORT_MSELCRB);
-	ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01e0, PORT_HIZCRA);
-#endif
-#ifdef CONFIG_SH_MIGOR_QVGA
-	/* LCDC - QVGA - Enable SYS Interface signals */
-	ctrl_outw(ctrl_inw(PORT_PACR) & ~0x0003, PORT_PACR);
-	ctrl_outw((ctrl_inw(PORT_PHCR) & ~0xcfff) | 0x0010, PORT_PHCR);
-	ctrl_outw(0x0000, PORT_PLCR);
-	ctrl_outw(0x0000, PORT_PMCR);
-	ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x030f, PORT_PRCR);
-	ctrl_outw((ctrl_inw(PORT_PSELD) & ~0x0001) | 0x0420, PORT_PSELD);
-	ctrl_outw(ctrl_inw(PORT_MSELCRB) | 0x0100, PORT_MSELCRB);
-	ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01e0, PORT_HIZCRA);
-#endif
-
-	/* CEU */
-	ctrl_outw((ctrl_inw(PORT_PTCR) & ~0x03c3) | 0x0051, PORT_PTCR);
-	ctrl_outw(ctrl_inw(PORT_PUCR) & ~0x03ff, PORT_PUCR);
-	ctrl_outw(ctrl_inw(PORT_PVCR) & ~0x03ff, PORT_PVCR);
-	ctrl_outw(ctrl_inw(PORT_PWCR) & ~0x3c00, PORT_PWCR);
-	ctrl_outw(ctrl_inw(PORT_PSELC) | 0x0001, PORT_PSELC);
-	ctrl_outw(ctrl_inw(PORT_PSELD) & ~0x2000, PORT_PSELD);
-	ctrl_outw(ctrl_inw(PORT_PSELE) | 0x000f, PORT_PSELE);
-	ctrl_outw(ctrl_inw(PORT_MSELCRB) | 0x2200, PORT_MSELCRB);
-	ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x0a00, PORT_HIZCRA);
-	ctrl_outw(ctrl_inw(PORT_HIZCRB) & ~0x0003, PORT_HIZCRB);
 }
 
 static struct sh_machine_vector mv_migor __initmv = {
-- 
GitLab


From 0436ec15aeab7cceb0c1866fefb1edaa9aade28d Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:42:10 +0900
Subject: [PATCH 1295/2224] sh: Add sh7723 pinmux code

This patch adds pinmux and gpio support for the sh7723 processor.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/sh7723.h            |  254 +++
 arch/sh/kernel/cpu/sh4a/Makefile        |    1 +
 arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c | 1909 +++++++++++++++++++++++
 3 files changed, 2164 insertions(+)
 create mode 100644 arch/sh/include/asm/sh7723.h
 create mode 100644 arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c

diff --git a/arch/sh/include/asm/sh7723.h b/arch/sh/include/asm/sh7723.h
new file mode 100644
index 00000000000..9d2f6d7aa93
--- /dev/null
+++ b/arch/sh/include/asm/sh7723.h
@@ -0,0 +1,254 @@
+#ifndef __ASM_SH7723_H__
+#define __ASM_SH7723_H__
+
+enum {
+	/* PTA */
+	GPIO_PTA7, GPIO_PTA6, GPIO_PTA5, GPIO_PTA4,
+	GPIO_PTA3, GPIO_PTA2, GPIO_PTA1, GPIO_PTA0,
+
+	/* PTB */
+	GPIO_PTB7, GPIO_PTB6, GPIO_PTB5, GPIO_PTB4,
+	GPIO_PTB3, GPIO_PTB2, GPIO_PTB1, GPIO_PTB0,
+
+	/* PTC */
+	GPIO_PTC7, GPIO_PTC6, GPIO_PTC5, GPIO_PTC4,
+	GPIO_PTC3, GPIO_PTC2, GPIO_PTC1, GPIO_PTC0,
+
+	/* PTD */
+	GPIO_PTD7, GPIO_PTD6, GPIO_PTD5, GPIO_PTD4,
+	GPIO_PTD3, GPIO_PTD2, GPIO_PTD1, GPIO_PTD0,
+
+	/* PTE */
+	GPIO_PTE5, GPIO_PTE4, GPIO_PTE3, GPIO_PTE2,
+	GPIO_PTE1, GPIO_PTE0,
+
+	/* PTF */
+	GPIO_PTF7, GPIO_PTF6, GPIO_PTF5, GPIO_PTF4,
+	GPIO_PTF3, GPIO_PTF2, GPIO_PTF1, GPIO_PTF0,
+
+	/* PTG */
+	GPIO_PTG5, GPIO_PTG4, GPIO_PTG3, GPIO_PTG2,
+	GPIO_PTG1, GPIO_PTG0,
+
+	/* PTH */
+	GPIO_PTH7, GPIO_PTH6, GPIO_PTH5, GPIO_PTH4,
+	GPIO_PTH3, GPIO_PTH2, GPIO_PTH1, GPIO_PTH0,
+
+	/* PTJ */
+	GPIO_PTJ7, GPIO_PTJ5, GPIO_PTJ3, GPIO_PTJ2,
+	GPIO_PTJ1, GPIO_PTJ0,
+
+	/* PTK */
+	GPIO_PTK7, GPIO_PTK6, GPIO_PTK5, GPIO_PTK4,
+	GPIO_PTK3, GPIO_PTK2, GPIO_PTK1, GPIO_PTK0,
+
+	/* PTL */
+	GPIO_PTL7, GPIO_PTL6, GPIO_PTL5, GPIO_PTL4,
+	GPIO_PTL3, GPIO_PTL2, GPIO_PTL1, GPIO_PTL0,
+
+	/* PTM */
+	GPIO_PTM7, GPIO_PTM6, GPIO_PTM5, GPIO_PTM4,
+	GPIO_PTM3, GPIO_PTM2, GPIO_PTM1, GPIO_PTM0,
+
+	/* PTN */
+	GPIO_PTN7, GPIO_PTN6, GPIO_PTN5, GPIO_PTN4,
+	GPIO_PTN3, GPIO_PTN2, GPIO_PTN1, GPIO_PTN0,
+
+	/* PTQ */
+	GPIO_PTQ3, GPIO_PTQ2, GPIO_PTQ1, GPIO_PTQ0,
+
+	/* PTR */
+	GPIO_PTR7, GPIO_PTR6, GPIO_PTR5, GPIO_PTR4,
+	GPIO_PTR3, GPIO_PTR2, GPIO_PTR1, GPIO_PTR0,
+
+	/* PTS */
+	GPIO_PTS7, GPIO_PTS6, GPIO_PTS5, GPIO_PTS4,
+	GPIO_PTS3, GPIO_PTS2, GPIO_PTS1, GPIO_PTS0,
+
+	/* PTT */
+	GPIO_PTT5, GPIO_PTT4, GPIO_PTT3, GPIO_PTT2,
+	GPIO_PTT1, GPIO_PTT0,
+
+	/* PTU */
+	GPIO_PTU5, GPIO_PTU4, GPIO_PTU3, GPIO_PTU2,
+	GPIO_PTU1, GPIO_PTU0,
+
+	/* PTV */
+	GPIO_PTV7, GPIO_PTV6, GPIO_PTV5, GPIO_PTV4,
+	GPIO_PTV3, GPIO_PTV2, GPIO_PTV1, GPIO_PTV0,
+
+	/* PTW */
+	GPIO_PTW7, GPIO_PTW6, GPIO_PTW5, GPIO_PTW4,
+	GPIO_PTW3, GPIO_PTW2, GPIO_PTW1, GPIO_PTW0,
+
+	/* PTX */
+	GPIO_PTX7, GPIO_PTX6, GPIO_PTX5, GPIO_PTX4,
+	GPIO_PTX3, GPIO_PTX2, GPIO_PTX1, GPIO_PTX0,
+
+	/* PTY */
+	GPIO_PTY7, GPIO_PTY6, GPIO_PTY5, GPIO_PTY4,
+	GPIO_PTY3, GPIO_PTY2, GPIO_PTY1, GPIO_PTY0,
+
+	/* PTZ */
+	GPIO_PTZ7, GPIO_PTZ6, GPIO_PTZ5, GPIO_PTZ4,
+	GPIO_PTZ3, GPIO_PTZ2, GPIO_PTZ1, GPIO_PTZ0,
+
+	/* SCIF0 (SCIF: 3 pin PTT/PTU) */
+	GPIO_FN_SCIF0_PTT_TXD, GPIO_FN_SCIF0_PTT_RXD, GPIO_FN_SCIF0_PTT_SCK,
+	GPIO_FN_SCIF0_PTU_TXD, GPIO_FN_SCIF0_PTU_RXD, GPIO_FN_SCIF0_PTU_SCK,
+
+	/* SCIF1 (SCIF: 3 pin PTS/PTV) */
+	GPIO_FN_SCIF1_PTS_TXD, GPIO_FN_SCIF1_PTS_RXD, GPIO_FN_SCIF1_PTS_SCK,
+	GPIO_FN_SCIF1_PTV_TXD, GPIO_FN_SCIF1_PTV_RXD, GPIO_FN_SCIF1_PTV_SCK,
+
+	/* SCIF2 (SCIF: 3 pin PTT/PTU) */
+	GPIO_FN_SCIF2_PTT_TXD, GPIO_FN_SCIF2_PTT_RXD, GPIO_FN_SCIF2_PTT_SCK,
+	GPIO_FN_SCIF2_PTU_TXD, GPIO_FN_SCIF2_PTU_RXD, GPIO_FN_SCIF2_PTU_SCK,
+
+	/* SCIF3 (SCIFA: 5 pin PTS/PTV) */
+	GPIO_FN_SCIF3_PTS_TXD, GPIO_FN_SCIF3_PTS_RXD, GPIO_FN_SCIF3_PTS_SCK,
+	GPIO_FN_SCIF3_PTS_RTS, GPIO_FN_SCIF3_PTS_CTS,
+	GPIO_FN_SCIF3_PTV_TXD, GPIO_FN_SCIF3_PTV_RXD, GPIO_FN_SCIF3_PTV_SCK,
+	GPIO_FN_SCIF3_PTV_RTS, GPIO_FN_SCIF3_PTV_CTS,
+
+	/* SCIF4 (SCIFA: 3 pin PTE/PTN) */
+	GPIO_FN_SCIF4_PTE_TXD, GPIO_FN_SCIF4_PTE_RXD, GPIO_FN_SCIF4_PTE_SCK,
+	GPIO_FN_SCIF4_PTN_TXD, GPIO_FN_SCIF4_PTN_RXD, GPIO_FN_SCIF4_PTN_SCK,
+
+	/* SCIF5 (SCIFA: 3 pin PTE/PTN) */
+	GPIO_FN_SCIF5_PTE_TXD, GPIO_FN_SCIF5_PTE_RXD, GPIO_FN_SCIF5_PTE_SCK,
+	GPIO_FN_SCIF5_PTN_TXD, GPIO_FN_SCIF5_PTN_RXD, GPIO_FN_SCIF5_PTN_SCK,
+
+	/* CEU */
+	GPIO_FN_VIO_D15, GPIO_FN_VIO_D14, GPIO_FN_VIO_D13, GPIO_FN_VIO_D12,
+	GPIO_FN_VIO_D11, GPIO_FN_VIO_D10, GPIO_FN_VIO_D9, GPIO_FN_VIO_D8,
+	GPIO_FN_VIO_D7, GPIO_FN_VIO_D6, GPIO_FN_VIO_D5, GPIO_FN_VIO_D4,
+	GPIO_FN_VIO_D3, GPIO_FN_VIO_D2, GPIO_FN_VIO_D1, GPIO_FN_VIO_D0,
+	GPIO_FN_VIO_FLD, GPIO_FN_VIO_CKO,
+	GPIO_FN_VIO_VD1, GPIO_FN_VIO_HD1, GPIO_FN_VIO_CLK1,
+	GPIO_FN_VIO_VD2, GPIO_FN_VIO_HD2, GPIO_FN_VIO_CLK2,
+
+	/* LCDC */
+	GPIO_FN_LCDD23, GPIO_FN_LCDD22, GPIO_FN_LCDD21, GPIO_FN_LCDD20,
+	GPIO_FN_LCDD19, GPIO_FN_LCDD18, GPIO_FN_LCDD17, GPIO_FN_LCDD16,
+	GPIO_FN_LCDD15, GPIO_FN_LCDD14, GPIO_FN_LCDD13, GPIO_FN_LCDD12,
+	GPIO_FN_LCDD11, GPIO_FN_LCDD10, GPIO_FN_LCDD9, GPIO_FN_LCDD8,
+	GPIO_FN_LCDD7, GPIO_FN_LCDD6, GPIO_FN_LCDD5, GPIO_FN_LCDD4,
+	GPIO_FN_LCDD3, GPIO_FN_LCDD2, GPIO_FN_LCDD1, GPIO_FN_LCDD0,
+	GPIO_FN_LCDLCLK_PTR, GPIO_FN_LCDLCLK_PTW,
+	/* Main LCD */
+	GPIO_FN_LCDDON, GPIO_FN_LCDVCPWC, GPIO_FN_LCDVEPWC, GPIO_FN_LCDVSYN,
+	/* Main LCD - RGB Mode */
+	GPIO_FN_LCDDCK, GPIO_FN_LCDHSYN, GPIO_FN_LCDDISP,
+	/* Main LCD - SYS Mode */
+	GPIO_FN_LCDRS, GPIO_FN_LCDCS, GPIO_FN_LCDWR, GPIO_FN_LCDRD,
+
+	/* IRQ */
+	GPIO_FN_IRQ0, GPIO_FN_IRQ1, GPIO_FN_IRQ2, GPIO_FN_IRQ3,
+	GPIO_FN_IRQ4, GPIO_FN_IRQ5, GPIO_FN_IRQ6, GPIO_FN_IRQ7,
+
+	/* AUD */
+	GPIO_FN_AUDATA3, GPIO_FN_AUDATA2, GPIO_FN_AUDATA1, GPIO_FN_AUDATA0,
+	GPIO_FN_AUDCK, GPIO_FN_AUDSYNC,
+
+	/* SDHI0 (PTD) */
+	GPIO_FN_SDHI0CD_PTD, GPIO_FN_SDHI0WP_PTD,
+	GPIO_FN_SDHI0D3_PTD, GPIO_FN_SDHI0D2_PTD,
+	GPIO_FN_SDHI0D1_PTD, GPIO_FN_SDHI0D0_PTD,
+	GPIO_FN_SDHI0CMD_PTD, GPIO_FN_SDHI0CLK_PTD,
+
+	/* SDHI0 (PTS) */
+	GPIO_FN_SDHI0CD_PTS, GPIO_FN_SDHI0WP_PTS,
+	GPIO_FN_SDHI0D3_PTS, GPIO_FN_SDHI0D2_PTS,
+	GPIO_FN_SDHI0D1_PTS, GPIO_FN_SDHI0D0_PTS,
+	GPIO_FN_SDHI0CMD_PTS, GPIO_FN_SDHI0CLK_PTS,
+
+	/* SDHI1 */
+	GPIO_FN_SDHI1CD, GPIO_FN_SDHI1WP, GPIO_FN_SDHI1D3, GPIO_FN_SDHI1D2,
+	GPIO_FN_SDHI1D1, GPIO_FN_SDHI1D0, GPIO_FN_SDHI1CMD, GPIO_FN_SDHI1CLK,
+
+	/* SIUA */
+	GPIO_FN_SIUAFCK, GPIO_FN_SIUAILR, GPIO_FN_SIUAIBT, GPIO_FN_SIUAISLD,
+	GPIO_FN_SIUAOLR, GPIO_FN_SIUAOBT, GPIO_FN_SIUAOSLD, GPIO_FN_SIUAMCK,
+	GPIO_FN_SIUAISPD, GPIO_FN_SIUOSPD,
+
+	/* SIUB */
+	GPIO_FN_SIUBFCK, GPIO_FN_SIUBILR, GPIO_FN_SIUBIBT, GPIO_FN_SIUBISLD,
+	GPIO_FN_SIUBOLR, GPIO_FN_SIUBOBT, GPIO_FN_SIUBOSLD, GPIO_FN_SIUBMCK,
+
+	/* IRDA */
+	GPIO_FN_IRDA_IN, GPIO_FN_IRDA_OUT,
+
+	/* VOU */
+	GPIO_FN_DV_CLKI, GPIO_FN_DV_CLK, GPIO_FN_DV_HSYNC, GPIO_FN_DV_VSYNC,
+	GPIO_FN_DV_D15, GPIO_FN_DV_D14, GPIO_FN_DV_D13, GPIO_FN_DV_D12,
+	GPIO_FN_DV_D11, GPIO_FN_DV_D10, GPIO_FN_DV_D9, GPIO_FN_DV_D8,
+	GPIO_FN_DV_D7, GPIO_FN_DV_D6, GPIO_FN_DV_D5, GPIO_FN_DV_D4,
+	GPIO_FN_DV_D3, GPIO_FN_DV_D2, GPIO_FN_DV_D1, GPIO_FN_DV_D0,
+
+	/* KEYSC */
+	GPIO_FN_KEYIN0, GPIO_FN_KEYIN1, GPIO_FN_KEYIN2, GPIO_FN_KEYIN3,
+	GPIO_FN_KEYIN4, GPIO_FN_KEYOUT0, GPIO_FN_KEYOUT1, GPIO_FN_KEYOUT2,
+	GPIO_FN_KEYOUT3, GPIO_FN_KEYOUT4_IN6, GPIO_FN_KEYOUT5_IN5,
+
+	/* MSIOF0 (PTF) */
+	GPIO_FN_MSIOF0_PTF_TXD, GPIO_FN_MSIOF0_PTF_RXD, GPIO_FN_MSIOF0_PTF_MCK,
+	GPIO_FN_MSIOF0_PTF_TSYNC, GPIO_FN_MSIOF0_PTF_TSCK,
+	GPIO_FN_MSIOF0_PTF_RSYNC, GPIO_FN_MSIOF0_PTF_RSCK,
+	GPIO_FN_MSIOF0_PTF_SS1, GPIO_FN_MSIOF0_PTF_SS2,
+
+	/* MSIOF0 (PTT+PTX) */
+	GPIO_FN_MSIOF0_PTT_TXD, GPIO_FN_MSIOF0_PTT_RXD, GPIO_FN_MSIOF0_PTX_MCK,
+	GPIO_FN_MSIOF0_PTT_TSYNC, GPIO_FN_MSIOF0_PTT_TSCK,
+	GPIO_FN_MSIOF0_PTT_RSYNC, GPIO_FN_MSIOF0_PTT_RSCK,
+	GPIO_FN_MSIOF0_PTT_SS1, GPIO_FN_MSIOF0_PTT_SS2,
+
+	/* MSIOF1 */
+	GPIO_FN_MSIOF1_TXD, GPIO_FN_MSIOF1_RXD, GPIO_FN_MSIOF1_MCK,
+	GPIO_FN_MSIOF1_TSYNC, GPIO_FN_MSIOF1_TSCK,
+	GPIO_FN_MSIOF1_RSYNC, GPIO_FN_MSIOF1_RSCK,
+	GPIO_FN_MSIOF1_SS1, GPIO_FN_MSIOF1_SS2,
+
+	/* TSIF */
+	GPIO_FN_TS0_SDAT, GPIO_FN_TS0_SCK, GPIO_FN_TS0_SDEN, GPIO_FN_TS0_SPSYNC,
+
+	/* FLCTL */
+	GPIO_FN_FCE, GPIO_FN_NAF7, GPIO_FN_NAF6, GPIO_FN_NAF5, GPIO_FN_NAF4,
+	GPIO_FN_NAF3, GPIO_FN_NAF2, GPIO_FN_NAF1, GPIO_FN_NAF0, GPIO_FN_FCDE,
+	GPIO_FN_FOE, GPIO_FN_FSC, GPIO_FN_FWE, GPIO_FN_FRB,
+
+	/* DMAC */
+	GPIO_FN_DACK1, GPIO_FN_DREQ1, GPIO_FN_DACK0, GPIO_FN_DREQ0,
+
+	/* ADC */
+	GPIO_FN_AN3, GPIO_FN_AN2, GPIO_FN_AN1, GPIO_FN_AN0, GPIO_FN_ADTRG,
+
+	/* CPG */
+	GPIO_FN_STATUS0, GPIO_FN_PDSTATUS,
+
+	/* TPU */
+	GPIO_FN_TPUTO3, GPIO_FN_TPUTO2, GPIO_FN_TPUTO1, GPIO_FN_TPUTO0,
+
+	/* BSC */
+	GPIO_FN_D31, GPIO_FN_D30, GPIO_FN_D29, GPIO_FN_D28,
+	GPIO_FN_D27, GPIO_FN_D26, GPIO_FN_D25, GPIO_FN_D24,
+	GPIO_FN_D23, GPIO_FN_D22, GPIO_FN_D21, GPIO_FN_D20,
+	GPIO_FN_D19, GPIO_FN_D18, GPIO_FN_D17, GPIO_FN_D16,
+	GPIO_FN_IOIS16, GPIO_FN_WAIT, GPIO_FN_BS,
+	GPIO_FN_A25, GPIO_FN_A24, GPIO_FN_A23, GPIO_FN_A22,
+	GPIO_FN_CS6B_CE1B, GPIO_FN_CS6A_CE2B,
+	GPIO_FN_CS5B_CE1A, GPIO_FN_CS5A_CE2A,
+	GPIO_FN_WE3_ICIOWR, GPIO_FN_WE2_ICIORD,
+
+	/* ATAPI */
+	GPIO_FN_IDED15, GPIO_FN_IDED14, GPIO_FN_IDED13, GPIO_FN_IDED12,
+	GPIO_FN_IDED11, GPIO_FN_IDED10, GPIO_FN_IDED9, GPIO_FN_IDED8,
+	GPIO_FN_IDED7, GPIO_FN_IDED6, GPIO_FN_IDED5, GPIO_FN_IDED4,
+	GPIO_FN_IDED3, GPIO_FN_IDED2, GPIO_FN_IDED1, GPIO_FN_IDED0,
+	GPIO_FN_DIRECTION, GPIO_FN_EXBUF_ENB, GPIO_FN_IDERST, GPIO_FN_IODACK,
+	GPIO_FN_IODREQ, GPIO_FN_IDEIORDY, GPIO_FN_IDEINT, GPIO_FN_IDEIOWR,
+	GPIO_FN_IDEIORD, GPIO_FN_IDECS1, GPIO_FN_IDECS0, GPIO_FN_IDEA2,
+	GPIO_FN_IDEA1, GPIO_FN_IDEA0,
+};
+
+#endif /* __ASM_SH7723_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index aced813b03c..be9a0c18595 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -29,6 +29,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o
 
 # Pinmux setup
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7722)	:= pinmux-sh7722.o
+pinmux-$(CONFIG_CPU_SUBTYPE_SH7723)	:= pinmux-sh7723.o
 
 obj-y			+= $(clock-y)
 obj-$(CONFIG_SMP)	+= $(smp-y)
diff --git a/arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c b/arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c
new file mode 100644
index 00000000000..92a9bc91015
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c
@@ -0,0 +1,1909 @@
+/*
+ * SH7723 Pinmux
+ *
+ *  Copyright (C) 2008  Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <asm/sh7723.h>
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	PINMUX_DATA_BEGIN,
+	PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+	PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA,
+	PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+	PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA,
+	PTC7_DATA, PTC6_DATA, PTC5_DATA, PTC4_DATA,
+	PTC3_DATA, PTC2_DATA, PTC1_DATA, PTC0_DATA,
+	PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+	PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA,
+	PTE5_DATA, PTE4_DATA, PTE3_DATA, PTE2_DATA, PTE1_DATA, PTE0_DATA,
+	PTF7_DATA, PTF6_DATA, PTF5_DATA, PTF4_DATA,
+	PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA,
+	PTG5_DATA, PTG4_DATA, PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA,
+	PTH7_DATA, PTH6_DATA, PTH5_DATA, PTH4_DATA,
+	PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA,
+	PTJ7_DATA, PTJ5_DATA, PTJ3_DATA, PTJ2_DATA, PTJ1_DATA, PTJ0_DATA,
+	PTK7_DATA, PTK6_DATA, PTK5_DATA, PTK4_DATA,
+	PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA,
+	PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA,
+	PTL3_DATA, PTL2_DATA, PTL1_DATA, PTL0_DATA,
+	PTM7_DATA, PTM6_DATA, PTM5_DATA, PTM4_DATA,
+	PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA,
+	PTN7_DATA, PTN6_DATA, PTN5_DATA, PTN4_DATA,
+	PTN3_DATA, PTN2_DATA, PTN1_DATA, PTN0_DATA,
+	PTQ3_DATA, PTQ2_DATA, PTQ1_DATA, PTQ0_DATA,
+	PTR7_DATA, PTR6_DATA, PTR5_DATA, PTR4_DATA,
+	PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA,
+	PTS7_DATA, PTS6_DATA, PTS5_DATA, PTS4_DATA,
+	PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA,
+	PTT5_DATA, PTT4_DATA, PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA,
+	PTU5_DATA, PTU4_DATA, PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA,
+	PTV7_DATA, PTV6_DATA, PTV5_DATA, PTV4_DATA,
+	PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA,
+	PTW7_DATA, PTW6_DATA, PTW5_DATA, PTW4_DATA,
+	PTW3_DATA, PTW2_DATA, PTW1_DATA, PTW0_DATA,
+	PTX7_DATA, PTX6_DATA, PTX5_DATA, PTX4_DATA,
+	PTX3_DATA, PTX2_DATA, PTX1_DATA, PTX0_DATA,
+	PTY7_DATA, PTY6_DATA, PTY5_DATA, PTY4_DATA,
+	PTY3_DATA, PTY2_DATA, PTY1_DATA, PTY0_DATA,
+	PTZ7_DATA, PTZ6_DATA, PTZ5_DATA, PTZ4_DATA,
+	PTZ3_DATA, PTZ2_DATA, PTZ1_DATA, PTZ0_DATA,
+	PINMUX_DATA_END,
+
+	PINMUX_INPUT_BEGIN,
+	PTA7_IN, PTA6_IN, PTA5_IN, PTA4_IN,
+	PTA3_IN, PTA2_IN, PTA1_IN, PTA0_IN,
+	PTB7_IN, PTB6_IN, PTB5_IN, PTB4_IN,
+	PTB3_IN, PTB2_IN, PTB1_IN, PTB0_IN,
+	PTC7_IN, PTC6_IN, PTC5_IN, PTC4_IN,
+	PTC3_IN, PTC2_IN, PTC1_IN, PTC0_IN,
+	PTD7_IN, PTD6_IN, PTD5_IN, PTD4_IN,
+	PTD3_IN, PTD2_IN, PTD1_IN, PTD0_IN,
+	PTE5_IN, PTE4_IN, PTE3_IN, PTE2_IN, PTE1_IN, PTE0_IN,
+	PTF7_IN, PTF6_IN, PTF5_IN, PTF4_IN,
+	PTF3_IN, PTF2_IN, PTF1_IN, PTF0_IN,
+	PTH7_IN, PTH6_IN, PTH5_IN, PTH4_IN,
+	PTH3_IN, PTH2_IN, PTH1_IN, PTH0_IN,
+	PTJ3_IN, PTJ2_IN, PTJ1_IN, PTJ0_IN,
+	PTK7_IN, PTK6_IN, PTK5_IN, PTK4_IN,
+	PTK3_IN, PTK2_IN, PTK1_IN, PTK0_IN,
+	PTL7_IN, PTL6_IN, PTL5_IN, PTL4_IN,
+	PTL3_IN, PTL2_IN, PTL1_IN, PTL0_IN,
+	PTM7_IN, PTM6_IN, PTM5_IN, PTM4_IN,
+	PTM3_IN, PTM2_IN, PTM1_IN, PTM0_IN,
+	PTN7_IN, PTN6_IN, PTN5_IN, PTN4_IN,
+	PTN3_IN, PTN2_IN, PTN1_IN, PTN0_IN,
+	PTQ3_IN, PTQ2_IN, PTQ1_IN, PTQ0_IN,
+	PTR7_IN, PTR6_IN, PTR5_IN, PTR4_IN,
+	PTR3_IN, PTR2_IN, PTR1_IN, PTR0_IN,
+	PTS7_IN, PTS6_IN, PTS5_IN, PTS4_IN,
+	PTS3_IN, PTS2_IN, PTS1_IN, PTS0_IN,
+	PTT5_IN, PTT4_IN, PTT3_IN, PTT2_IN, PTT1_IN, PTT0_IN,
+	PTU5_IN, PTU4_IN, PTU3_IN, PTU2_IN, PTU1_IN, PTU0_IN,
+	PTV7_IN, PTV6_IN, PTV5_IN, PTV4_IN,
+	PTV3_IN, PTV2_IN, PTV1_IN, PTV0_IN,
+	PTW7_IN, PTW6_IN, PTW5_IN, PTW4_IN,
+	PTW3_IN, PTW2_IN, PTW1_IN, PTW0_IN,
+	PTX7_IN, PTX6_IN, PTX5_IN, PTX4_IN,
+	PTX3_IN, PTX2_IN, PTX1_IN, PTX0_IN,
+	PTY7_IN, PTY6_IN, PTY5_IN, PTY4_IN,
+	PTY3_IN, PTY2_IN, PTY1_IN, PTY0_IN,
+	PTZ7_IN, PTZ6_IN, PTZ5_IN, PTZ4_IN,
+	PTZ3_IN, PTZ2_IN, PTZ1_IN, PTZ0_IN,
+	PINMUX_INPUT_END,
+
+	PINMUX_INPUT_PULLUP_BEGIN,
+	PTA4_IN_PU, PTA3_IN_PU, PTA2_IN_PU, PTA1_IN_PU, PTA0_IN_PU,
+	PTB2_IN_PU, PTB1_IN_PU,
+	PTR2_IN_PU,
+	PINMUX_INPUT_PULLUP_END,
+
+	PINMUX_OUTPUT_BEGIN,
+	PTA7_OUT, PTA6_OUT, PTA5_OUT, PTA4_OUT,
+	PTA3_OUT, PTA2_OUT, PTA1_OUT, PTA0_OUT,
+	PTB7_OUT, PTB6_OUT, PTB5_OUT, PTB4_OUT,
+	PTB3_OUT, PTB2_OUT, PTB1_OUT, PTB0_OUT,
+	PTC7_OUT, PTC6_OUT, PTC5_OUT, PTC4_OUT,
+	PTC3_OUT, PTC2_OUT, PTC1_OUT, PTC0_OUT,
+	PTD7_OUT, PTD6_OUT, PTD5_OUT, PTD4_OUT,
+	PTD3_OUT, PTD2_OUT, PTD1_OUT, PTD0_OUT,
+	PTE5_OUT, PTE4_OUT, PTE3_OUT, PTE2_OUT, PTE1_OUT, PTE0_OUT,
+	PTF7_OUT, PTF6_OUT, PTF5_OUT, PTF4_OUT,
+	PTF3_OUT, PTF2_OUT, PTF1_OUT, PTF0_OUT,
+	PTG5_OUT, PTG4_OUT, PTG3_OUT, PTG2_OUT, PTG1_OUT, PTG0_OUT,
+	PTH7_OUT, PTH6_OUT, PTH5_OUT, PTH4_OUT,
+	PTH3_OUT, PTH2_OUT, PTH1_OUT, PTH0_OUT,
+	PTJ7_OUT, PTJ5_OUT, PTJ3_OUT, PTJ2_OUT, PTJ1_OUT, PTJ0_OUT,
+	PTK7_OUT, PTK6_OUT, PTK5_OUT, PTK4_OUT,
+	PTK3_OUT, PTK2_OUT, PTK1_OUT, PTK0_OUT,
+	PTL7_OUT, PTL6_OUT, PTL5_OUT, PTL4_OUT,
+	PTL3_OUT, PTL2_OUT, PTL1_OUT, PTL0_OUT,
+	PTM7_OUT, PTM6_OUT, PTM5_OUT, PTM4_OUT,
+	PTM3_OUT, PTM2_OUT, PTM1_OUT, PTM0_OUT,
+	PTN7_OUT, PTN6_OUT, PTN5_OUT, PTN4_OUT,
+	PTN3_OUT, PTN2_OUT, PTN1_OUT, PTN0_OUT,
+	PTR7_OUT, PTR6_OUT, PTR5_OUT, PTR4_OUT,
+	PTR1_OUT, PTR0_OUT,
+	PTS7_OUT, PTS6_OUT, PTS5_OUT, PTS4_OUT,
+	PTS3_OUT, PTS2_OUT, PTS1_OUT, PTS0_OUT,
+	PTT5_OUT, PTT4_OUT, PTT3_OUT, PTT2_OUT, PTT1_OUT, PTT0_OUT,
+	PTU5_OUT, PTU4_OUT, PTU3_OUT, PTU2_OUT, PTU1_OUT, PTU0_OUT,
+	PTV7_OUT, PTV6_OUT, PTV5_OUT, PTV4_OUT,
+	PTV3_OUT, PTV2_OUT, PTV1_OUT, PTV0_OUT,
+	PTW7_OUT, PTW6_OUT, PTW5_OUT, PTW4_OUT,
+	PTW3_OUT, PTW2_OUT, PTW1_OUT, PTW0_OUT,
+	PTX7_OUT, PTX6_OUT, PTX5_OUT, PTX4_OUT,
+	PTX3_OUT, PTX2_OUT, PTX1_OUT, PTX0_OUT,
+	PTY7_OUT, PTY6_OUT, PTY5_OUT, PTY4_OUT,
+	PTY3_OUT, PTY2_OUT, PTY1_OUT, PTY0_OUT,
+	PTZ7_OUT, PTZ6_OUT, PTZ5_OUT, PTZ4_OUT,
+	PTZ3_OUT, PTZ2_OUT, PTZ1_OUT, PTZ0_OUT,
+	PINMUX_OUTPUT_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	PTA7_FN, PTA6_FN, PTA5_FN, PTA4_FN,
+	PTA3_FN, PTA2_FN, PTA1_FN, PTA0_FN,
+	PTB7_FN, PTB6_FN, PTB5_FN, PTB4_FN,
+	PTB3_FN, PTB2_FN, PTB1_FN, PTB0_FN,
+	PTC7_FN, PTC6_FN, PTC5_FN, PTC4_FN,
+	PTC3_FN, PTC2_FN, PTC1_FN, PTC0_FN,
+	PTD7_FN, PTD6_FN, PTD5_FN, PTD4_FN,
+	PTD3_FN, PTD2_FN, PTD1_FN, PTD0_FN,
+	PTE5_FN, PTE4_FN, PTE3_FN, PTE2_FN, PTE1_FN, PTE0_FN,
+	PTF7_FN, PTF6_FN, PTF5_FN, PTF4_FN,
+	PTF3_FN, PTF2_FN, PTF1_FN, PTF0_FN,
+	PTG5_FN, PTG4_FN, PTG3_FN, PTG2_FN, PTG1_FN, PTG0_FN,
+	PTH7_FN, PTH6_FN, PTH5_FN, PTH4_FN,
+	PTH3_FN, PTH2_FN, PTH1_FN, PTH0_FN,
+	PTJ7_FN, PTJ5_FN, PTJ3_FN, PTJ2_FN, PTJ1_FN, PTJ0_FN,
+	PTK7_FN, PTK6_FN, PTK5_FN, PTK4_FN,
+	PTK3_FN, PTK2_FN, PTK1_FN, PTK0_FN,
+	PTL7_FN, PTL6_FN, PTL5_FN, PTL4_FN,
+	PTL3_FN, PTL2_FN, PTL1_FN, PTL0_FN,
+	PTM7_FN, PTM6_FN, PTM5_FN, PTM4_FN,
+	PTM3_FN, PTM2_FN, PTM1_FN, PTM0_FN,
+	PTN7_FN, PTN6_FN, PTN5_FN, PTN4_FN,
+	PTN3_FN, PTN2_FN, PTN1_FN, PTN0_FN,
+	PTQ3_FN, PTQ2_FN, PTQ1_FN, PTQ0_FN,
+	PTR7_FN, PTR6_FN, PTR5_FN, PTR4_FN,
+	PTR3_FN, PTR2_FN, PTR1_FN, PTR0_FN,
+	PTS7_FN, PTS6_FN, PTS5_FN, PTS4_FN,
+	PTS3_FN, PTS2_FN, PTS1_FN, PTS0_FN,
+	PTT5_FN, PTT4_FN, PTT3_FN, PTT2_FN, PTT1_FN, PTT0_FN,
+	PTU5_FN, PTU4_FN, PTU3_FN, PTU2_FN, PTU1_FN, PTU0_FN,
+	PTV7_FN, PTV6_FN, PTV5_FN, PTV4_FN,
+	PTV3_FN, PTV2_FN, PTV1_FN, PTV0_FN,
+	PTW7_FN, PTW6_FN, PTW5_FN, PTW4_FN,
+	PTW3_FN, PTW2_FN, PTW1_FN, PTW0_FN,
+	PTX7_FN, PTX6_FN, PTX5_FN, PTX4_FN,
+	PTX3_FN, PTX2_FN, PTX1_FN, PTX0_FN,
+	PTY7_FN, PTY6_FN, PTY5_FN, PTY4_FN,
+	PTY3_FN, PTY2_FN, PTY1_FN, PTY0_FN,
+	PTZ7_FN, PTZ6_FN, PTZ5_FN, PTZ4_FN,
+	PTZ3_FN, PTZ2_FN, PTZ1_FN, PTZ0_FN,
+
+
+	PSA15_PSA14_FN1, PSA15_PSA14_FN2,
+	PSA13_PSA12_FN1, PSA13_PSA12_FN2,
+	PSA11_PSA10_FN1, PSA11_PSA10_FN2,
+	PSA5_PSA4_FN1, PSA5_PSA4_FN2, PSA5_PSA4_FN3,
+	PSA3_PSA2_FN1, PSA3_PSA2_FN2,
+	PSB15_PSB14_FN1, PSB15_PSB14_FN2,
+	PSB13_PSB12_LCDC_RGB, PSB13_PSB12_LCDC_SYS,
+	PSB9_PSB8_FN1, PSB9_PSB8_FN2, PSB9_PSB8_FN3,
+	PSB7_PSB6_FN1, PSB7_PSB6_FN2,
+	PSB5_PSB4_FN1, PSB5_PSB4_FN2,
+	PSB3_PSB2_FN1, PSB3_PSB2_FN2,
+	PSC15_PSC14_FN1, PSC15_PSC14_FN2,
+	PSC13_PSC12_FN1, PSC13_PSC12_FN2,
+	PSC11_PSC10_FN1, PSC11_PSC10_FN2, PSC11_PSC10_FN3,
+	PSC9_PSC8_FN1, PSC9_PSC8_FN2,
+	PSC7_PSC6_FN1, PSC7_PSC6_FN2, PSC7_PSC6_FN3,
+	PSD15_PSD14_FN1, PSD15_PSD14_FN2,
+	PSD13_PSD12_FN1, PSD13_PSD12_FN2,
+	PSD11_PSD10_FN1, PSD11_PSD10_FN2, PSD11_PSD10_FN3,
+	PSD9_PSD8_FN1, PSD9_PSD8_FN2,
+	PSD7_PSD6_FN1, PSD7_PSD6_FN2,
+	PSD5_PSD4_FN1, PSD5_PSD4_FN2,
+	PSD3_PSD2_FN1, PSD3_PSD2_FN2,
+	PSD1_PSD0_FN1, PSD1_PSD0_FN2,
+	PINMUX_FUNCTION_END,
+
+	PINMUX_MARK_BEGIN,
+	SCIF0_PTT_TXD_MARK, SCIF0_PTT_RXD_MARK,
+	SCIF0_PTT_SCK_MARK, SCIF0_PTU_TXD_MARK,
+	SCIF0_PTU_RXD_MARK, SCIF0_PTU_SCK_MARK,
+
+	SCIF1_PTS_TXD_MARK, SCIF1_PTS_RXD_MARK,
+	SCIF1_PTS_SCK_MARK, SCIF1_PTV_TXD_MARK,
+	SCIF1_PTV_RXD_MARK, SCIF1_PTV_SCK_MARK,
+
+	SCIF2_PTT_TXD_MARK, SCIF2_PTT_RXD_MARK,
+	SCIF2_PTT_SCK_MARK, SCIF2_PTU_TXD_MARK,
+	SCIF2_PTU_RXD_MARK, SCIF2_PTU_SCK_MARK,
+
+	SCIF3_PTS_TXD_MARK, SCIF3_PTS_RXD_MARK,
+	SCIF3_PTS_SCK_MARK, SCIF3_PTS_RTS_MARK,
+	SCIF3_PTS_CTS_MARK, SCIF3_PTV_TXD_MARK,
+	SCIF3_PTV_RXD_MARK, SCIF3_PTV_SCK_MARK,
+	SCIF3_PTV_RTS_MARK, SCIF3_PTV_CTS_MARK,
+
+	SCIF4_PTE_TXD_MARK, SCIF4_PTE_RXD_MARK,
+	SCIF4_PTE_SCK_MARK, SCIF4_PTN_TXD_MARK,
+	SCIF4_PTN_RXD_MARK, SCIF4_PTN_SCK_MARK,
+
+	SCIF5_PTE_TXD_MARK, SCIF5_PTE_RXD_MARK,
+	SCIF5_PTE_SCK_MARK, SCIF5_PTN_TXD_MARK,
+	SCIF5_PTN_RXD_MARK, SCIF5_PTN_SCK_MARK,
+
+	VIO_D15_MARK, VIO_D14_MARK, VIO_D13_MARK, VIO_D12_MARK,
+	VIO_D11_MARK, VIO_D10_MARK, VIO_D9_MARK, VIO_D8_MARK,
+	VIO_D7_MARK, VIO_D6_MARK, VIO_D5_MARK, VIO_D4_MARK,
+	VIO_D3_MARK, VIO_D2_MARK, VIO_D1_MARK, VIO_D0_MARK,
+	VIO_FLD_MARK, VIO_CKO_MARK,
+	VIO_VD1_MARK, VIO_HD1_MARK, VIO_CLK1_MARK,
+	VIO_HD2_MARK, VIO_VD2_MARK, VIO_CLK2_MARK,
+
+	LCDD23_MARK, LCDD22_MARK, LCDD21_MARK, LCDD20_MARK,
+	LCDD19_MARK, LCDD18_MARK, LCDD17_MARK, LCDD16_MARK,
+	LCDD15_MARK, LCDD14_MARK, LCDD13_MARK, LCDD12_MARK,
+	LCDD11_MARK, LCDD10_MARK, LCDD9_MARK, LCDD8_MARK,
+	LCDD7_MARK, LCDD6_MARK, LCDD5_MARK, LCDD4_MARK,
+	LCDD3_MARK, LCDD2_MARK, LCDD1_MARK, LCDD0_MARK,
+	LCDDON_MARK, LCDVCPWC_MARK, LCDVEPWC_MARK,
+	LCDVSYN_MARK, LCDDCK_MARK, LCDHSYN_MARK, LCDDISP_MARK,
+	LCDRS_MARK, LCDCS_MARK, LCDWR_MARK, LCDRD_MARK,
+	LCDLCLK_PTR_MARK, LCDLCLK_PTW_MARK,
+
+	IRQ0_MARK, IRQ1_MARK, IRQ2_MARK, IRQ3_MARK,
+	IRQ4_MARK, IRQ5_MARK, IRQ6_MARK, IRQ7_MARK,
+
+	AUDATA3_MARK, AUDATA2_MARK, AUDATA1_MARK, AUDATA0_MARK,
+	AUDCK_MARK, AUDSYNC_MARK,
+
+	SDHI0CD_PTD_MARK, SDHI0WP_PTD_MARK,
+	SDHI0D3_PTD_MARK, SDHI0D2_PTD_MARK,
+	SDHI0D1_PTD_MARK, SDHI0D0_PTD_MARK,
+	SDHI0CMD_PTD_MARK, SDHI0CLK_PTD_MARK,
+
+	SDHI0CD_PTS_MARK, SDHI0WP_PTS_MARK,
+	SDHI0D3_PTS_MARK, SDHI0D2_PTS_MARK,
+	SDHI0D1_PTS_MARK, SDHI0D0_PTS_MARK,
+	SDHI0CMD_PTS_MARK, SDHI0CLK_PTS_MARK,
+
+	SDHI1CD_MARK, SDHI1WP_MARK, SDHI1D3_MARK, SDHI1D2_MARK,
+	SDHI1D1_MARK, SDHI1D0_MARK, SDHI1CMD_MARK, SDHI1CLK_MARK,
+
+	SIUAFCK_MARK, SIUAILR_MARK, SIUAIBT_MARK, SIUAISLD_MARK,
+	SIUAOLR_MARK, SIUAOBT_MARK, SIUAOSLD_MARK, SIUAMCK_MARK,
+	SIUAISPD_MARK, SIUAOSPD_MARK,
+
+	SIUBFCK_MARK, SIUBILR_MARK, SIUBIBT_MARK, SIUBISLD_MARK,
+	SIUBOLR_MARK, SIUBOBT_MARK, SIUBOSLD_MARK, SIUBMCK_MARK,
+
+	IRDA_IN_MARK, IRDA_OUT_MARK,
+
+	DV_CLKI_MARK, DV_CLK_MARK, DV_HSYNC_MARK, DV_VSYNC_MARK,
+	DV_D15_MARK, DV_D14_MARK, DV_D13_MARK, DV_D12_MARK,
+	DV_D11_MARK, DV_D10_MARK, DV_D9_MARK, DV_D8_MARK,
+	DV_D7_MARK, DV_D6_MARK, DV_D5_MARK, DV_D4_MARK,
+	DV_D3_MARK, DV_D2_MARK, DV_D1_MARK, DV_D0_MARK,
+
+	KEYIN0_MARK, KEYIN1_MARK, KEYIN2_MARK, KEYIN3_MARK, KEYIN4_MARK,
+	KEYOUT0_MARK, KEYOUT1_MARK, KEYOUT2_MARK, KEYOUT3_MARK,
+	KEYOUT4_IN6_MARK, KEYOUT5_IN5_MARK,
+
+	MSIOF0_PTF_TXD_MARK, MSIOF0_PTF_RXD_MARK, MSIOF0_PTF_MCK_MARK,
+	MSIOF0_PTF_TSYNC_MARK, MSIOF0_PTF_TSCK_MARK, MSIOF0_PTF_RSYNC_MARK,
+	MSIOF0_PTF_RSCK_MARK, MSIOF0_PTF_SS1_MARK, MSIOF0_PTF_SS2_MARK,
+
+	MSIOF0_PTT_TXD_MARK, MSIOF0_PTT_RXD_MARK, MSIOF0_PTX_MCK_MARK,
+	MSIOF0_PTT_TSYNC_MARK, MSIOF0_PTT_TSCK_MARK, MSIOF0_PTT_RSYNC_MARK,
+	MSIOF0_PTT_RSCK_MARK, MSIOF0_PTT_SS1_MARK, MSIOF0_PTT_SS2_MARK,
+
+	MSIOF1_TXD_MARK, MSIOF1_RXD_MARK, MSIOF1_MCK_MARK,
+	MSIOF1_TSYNC_MARK, MSIOF1_TSCK_MARK, MSIOF1_RSYNC_MARK,
+	MSIOF1_RSCK_MARK, MSIOF1_SS1_MARK, MSIOF1_SS2_MARK,
+
+	TS0_SDAT_MARK, TS0_SCK_MARK, TS0_SDEN_MARK, TS0_SPSYNC_MARK,
+
+	FCE_MARK, NAF7_MARK, NAF6_MARK, NAF5_MARK, NAF4_MARK,
+	NAF3_MARK, NAF2_MARK, NAF1_MARK, NAF0_MARK, FCDE_MARK,
+	FOE_MARK, FSC_MARK, FWE_MARK, FRB_MARK,
+
+	DACK1_MARK, DREQ1_MARK, DACK0_MARK, DREQ0_MARK,
+
+	AN3_MARK, AN2_MARK, AN1_MARK, AN0_MARK, ADTRG_MARK,
+
+	STATUS0_MARK, PDSTATUS_MARK,
+
+	TPUTO3_MARK, TPUTO2_MARK, TPUTO1_MARK, TPUTO0_MARK,
+
+	D31_MARK, D30_MARK, D29_MARK, D28_MARK,
+	D27_MARK, D26_MARK, D25_MARK, D24_MARK,
+	D23_MARK, D22_MARK, D21_MARK, D20_MARK,
+	D19_MARK, D18_MARK, D17_MARK, D16_MARK,
+	IOIS16_MARK, WAIT_MARK, BS_MARK,
+	A25_MARK, A24_MARK, A23_MARK, A22_MARK,
+	CS6B_CE1B_MARK, CS6A_CE2B_MARK,
+	CS5B_CE1A_MARK, CS5A_CE2A_MARK,
+	WE3_ICIOWR_MARK, WE2_ICIORD_MARK,
+
+	IDED15_MARK, IDED14_MARK, IDED13_MARK, IDED12_MARK,
+	IDED11_MARK, IDED10_MARK, IDED9_MARK, IDED8_MARK,
+	IDED7_MARK, IDED6_MARK, IDED5_MARK, IDED4_MARK,
+	IDED3_MARK, IDED2_MARK, IDED1_MARK, IDED0_MARK,
+	DIRECTION_MARK, EXBUF_ENB_MARK, IDERST_MARK, IODACK_MARK,
+	IODREQ_MARK, IDEIORDY_MARK, IDEINT_MARK, IDEIOWR_MARK,
+	IDEIORD_MARK, IDECS1_MARK, IDECS0_MARK, IDEA2_MARK,
+	IDEA1_MARK, IDEA0_MARK,
+	PINMUX_MARK_END,
+};
+
+static pinmux_enum_t pinmux_data[] = {
+	/* PTA GPIO */
+	PINMUX_DATA(PTA7_DATA, PTA7_IN, PTA7_OUT),
+	PINMUX_DATA(PTA6_DATA, PTA6_IN, PTA6_OUT),
+	PINMUX_DATA(PTA5_DATA, PTA5_IN, PTA5_OUT),
+	PINMUX_DATA(PTA4_DATA, PTA4_IN, PTA4_OUT, PTA4_IN_PU),
+	PINMUX_DATA(PTA3_DATA, PTA3_IN, PTA3_OUT, PTA3_IN_PU),
+	PINMUX_DATA(PTA2_DATA, PTA2_IN, PTA2_OUT, PTA2_IN_PU),
+	PINMUX_DATA(PTA1_DATA, PTA1_IN, PTA1_OUT, PTA1_IN_PU),
+	PINMUX_DATA(PTA0_DATA, PTA0_IN, PTA0_OUT, PTA0_IN_PU),
+
+	/* PTB GPIO */
+	PINMUX_DATA(PTB7_DATA, PTB7_IN, PTB7_OUT),
+	PINMUX_DATA(PTB6_DATA, PTB6_IN, PTB6_OUT),
+	PINMUX_DATA(PTB5_DATA, PTB5_IN, PTB5_OUT),
+	PINMUX_DATA(PTB4_DATA, PTB4_IN, PTB4_OUT),
+	PINMUX_DATA(PTB3_DATA, PTB3_IN, PTB3_OUT),
+	PINMUX_DATA(PTB2_DATA, PTB2_IN, PTB2_OUT, PTB2_IN_PU),
+	PINMUX_DATA(PTB1_DATA, PTB1_IN, PTB1_OUT, PTB1_IN_PU),
+	PINMUX_DATA(PTB0_DATA, PTB0_IN, PTB0_OUT),
+
+	/* PTC GPIO */
+	PINMUX_DATA(PTC7_DATA, PTC7_IN, PTC7_OUT),
+	PINMUX_DATA(PTC6_DATA, PTC6_IN, PTC6_OUT),
+	PINMUX_DATA(PTC5_DATA, PTC5_IN, PTC5_OUT),
+	PINMUX_DATA(PTC4_DATA, PTC4_IN, PTC4_OUT),
+	PINMUX_DATA(PTC3_DATA, PTC3_IN, PTC3_OUT),
+	PINMUX_DATA(PTC2_DATA, PTC2_IN, PTC2_OUT),
+	PINMUX_DATA(PTC1_DATA, PTC1_IN, PTC1_OUT),
+	PINMUX_DATA(PTC0_DATA, PTC0_IN, PTC0_OUT),
+
+	/* PTD GPIO */
+	PINMUX_DATA(PTD7_DATA, PTD7_IN, PTD7_OUT),
+	PINMUX_DATA(PTD6_DATA, PTD6_IN, PTD6_OUT),
+	PINMUX_DATA(PTD5_DATA, PTD5_IN, PTD5_OUT),
+	PINMUX_DATA(PTD4_DATA, PTD4_IN, PTD4_OUT),
+	PINMUX_DATA(PTD3_DATA, PTD3_IN, PTD3_OUT),
+	PINMUX_DATA(PTD2_DATA, PTD2_IN, PTD2_OUT),
+	PINMUX_DATA(PTD1_DATA, PTD1_IN, PTD1_OUT),
+	PINMUX_DATA(PTD0_DATA, PTD0_IN, PTD0_OUT),
+
+	/* PTE GPIO */
+	PINMUX_DATA(PTE5_DATA, PTE5_IN, PTE5_OUT),
+	PINMUX_DATA(PTE4_DATA, PTE4_IN, PTE4_OUT),
+	PINMUX_DATA(PTE3_DATA, PTE3_IN, PTE3_OUT),
+	PINMUX_DATA(PTE2_DATA, PTE2_IN, PTE2_OUT),
+	PINMUX_DATA(PTE1_DATA, PTE1_IN, PTE1_OUT),
+	PINMUX_DATA(PTE0_DATA, PTE0_IN, PTE0_OUT),
+
+	/* PTF GPIO */
+	PINMUX_DATA(PTF7_DATA, PTF7_IN, PTF7_OUT),
+	PINMUX_DATA(PTF6_DATA, PTF6_IN, PTF6_OUT),
+	PINMUX_DATA(PTF5_DATA, PTF5_IN, PTF5_OUT),
+	PINMUX_DATA(PTF4_DATA, PTF4_IN, PTF4_OUT),
+	PINMUX_DATA(PTF3_DATA, PTF3_IN, PTF3_OUT),
+	PINMUX_DATA(PTF2_DATA, PTF2_IN, PTF2_OUT),
+	PINMUX_DATA(PTF1_DATA, PTF1_IN, PTF1_OUT),
+	PINMUX_DATA(PTF0_DATA, PTF0_IN, PTF0_OUT),
+
+	/* PTG GPIO */
+	PINMUX_DATA(PTG5_DATA, PTG5_OUT),
+	PINMUX_DATA(PTG4_DATA, PTG4_OUT),
+	PINMUX_DATA(PTG3_DATA, PTG3_OUT),
+	PINMUX_DATA(PTG2_DATA, PTG2_OUT),
+	PINMUX_DATA(PTG1_DATA, PTG1_OUT),
+	PINMUX_DATA(PTG0_DATA, PTG0_OUT),
+
+	/* PTH GPIO */
+	PINMUX_DATA(PTH7_DATA, PTH7_IN, PTH7_OUT),
+	PINMUX_DATA(PTH6_DATA, PTH6_IN, PTH6_OUT),
+	PINMUX_DATA(PTH5_DATA, PTH5_IN, PTH5_OUT),
+	PINMUX_DATA(PTH4_DATA, PTH4_IN, PTH4_OUT),
+	PINMUX_DATA(PTH3_DATA, PTH3_IN, PTH3_OUT),
+	PINMUX_DATA(PTH2_DATA, PTH2_IN, PTH2_OUT),
+	PINMUX_DATA(PTH1_DATA, PTH1_IN, PTH1_OUT),
+	PINMUX_DATA(PTH0_DATA, PTH0_IN, PTH0_OUT),
+
+	/* PTJ GPIO */
+	PINMUX_DATA(PTJ7_DATA, PTJ7_OUT),
+	PINMUX_DATA(PTJ5_DATA, PTJ5_OUT),
+	PINMUX_DATA(PTJ3_DATA, PTJ3_IN, PTJ3_OUT),
+	PINMUX_DATA(PTJ2_DATA, PTJ2_IN, PTJ2_OUT),
+	PINMUX_DATA(PTJ1_DATA, PTJ1_IN, PTJ1_OUT),
+	PINMUX_DATA(PTJ0_DATA, PTJ0_IN, PTJ0_OUT),
+
+	/* PTK GPIO */
+	PINMUX_DATA(PTK7_DATA, PTK7_IN, PTK7_OUT),
+	PINMUX_DATA(PTK6_DATA, PTK6_IN, PTK6_OUT),
+	PINMUX_DATA(PTK5_DATA, PTK5_IN, PTK5_OUT),
+	PINMUX_DATA(PTK4_DATA, PTK4_IN, PTK4_OUT),
+	PINMUX_DATA(PTK3_DATA, PTK3_IN, PTK3_OUT),
+	PINMUX_DATA(PTK2_DATA, PTK2_IN, PTK2_OUT),
+	PINMUX_DATA(PTK1_DATA, PTK1_IN, PTK1_OUT),
+	PINMUX_DATA(PTK0_DATA, PTK0_IN, PTK0_OUT),
+
+	/* PTL GPIO */
+	PINMUX_DATA(PTL7_DATA, PTL7_IN, PTL7_OUT),
+	PINMUX_DATA(PTL6_DATA, PTL6_IN, PTL6_OUT),
+	PINMUX_DATA(PTL5_DATA, PTL5_IN, PTL5_OUT),
+	PINMUX_DATA(PTL4_DATA, PTL4_IN, PTL4_OUT),
+	PINMUX_DATA(PTL3_DATA, PTL3_IN, PTL3_OUT),
+	PINMUX_DATA(PTL2_DATA, PTL2_IN, PTL2_OUT),
+	PINMUX_DATA(PTL1_DATA, PTL1_IN, PTL1_OUT),
+	PINMUX_DATA(PTL0_DATA, PTL0_IN, PTL0_OUT),
+
+	/* PTM GPIO */
+	PINMUX_DATA(PTM7_DATA, PTM7_IN, PTM7_OUT),
+	PINMUX_DATA(PTM6_DATA, PTM6_IN, PTM6_OUT),
+	PINMUX_DATA(PTM5_DATA, PTM5_IN, PTM5_OUT),
+	PINMUX_DATA(PTM4_DATA, PTM4_IN, PTM4_OUT),
+	PINMUX_DATA(PTM3_DATA, PTM3_IN, PTM3_OUT),
+	PINMUX_DATA(PTM2_DATA, PTM2_IN, PTM2_OUT),
+	PINMUX_DATA(PTM1_DATA, PTM1_IN, PTM1_OUT),
+	PINMUX_DATA(PTM0_DATA, PTM0_IN, PTM0_OUT),
+
+	/* PTN GPIO */
+	PINMUX_DATA(PTN7_DATA, PTN7_IN, PTN7_OUT),
+	PINMUX_DATA(PTN6_DATA, PTN6_IN, PTN6_OUT),
+	PINMUX_DATA(PTN5_DATA, PTN5_IN, PTN5_OUT),
+	PINMUX_DATA(PTN4_DATA, PTN4_IN, PTN4_OUT),
+	PINMUX_DATA(PTN3_DATA, PTN3_IN, PTN3_OUT),
+	PINMUX_DATA(PTN2_DATA, PTN2_IN, PTN2_OUT),
+	PINMUX_DATA(PTN1_DATA, PTN1_IN, PTN1_OUT),
+	PINMUX_DATA(PTN0_DATA, PTN0_IN, PTN0_OUT),
+
+	/* PTQ GPIO */
+	PINMUX_DATA(PTQ3_DATA, PTQ3_IN),
+	PINMUX_DATA(PTQ2_DATA, PTQ2_IN),
+	PINMUX_DATA(PTQ1_DATA, PTQ1_IN),
+	PINMUX_DATA(PTQ0_DATA, PTQ0_IN),
+
+	/* PTR GPIO */
+	PINMUX_DATA(PTR7_DATA, PTR7_IN, PTR7_OUT),
+	PINMUX_DATA(PTR6_DATA, PTR6_IN, PTR6_OUT),
+	PINMUX_DATA(PTR5_DATA, PTR5_IN, PTR5_OUT),
+	PINMUX_DATA(PTR4_DATA, PTR4_IN, PTR4_OUT),
+	PINMUX_DATA(PTR3_DATA, PTR3_IN),
+	PINMUX_DATA(PTR2_DATA, PTR2_IN, PTR2_IN_PU),
+	PINMUX_DATA(PTR1_DATA, PTR1_IN, PTR1_OUT),
+	PINMUX_DATA(PTR0_DATA, PTR0_IN, PTR0_OUT),
+
+	/* PTS GPIO */
+	PINMUX_DATA(PTS7_DATA, PTS7_IN, PTS7_OUT),
+	PINMUX_DATA(PTS6_DATA, PTS6_IN, PTS6_OUT),
+	PINMUX_DATA(PTS5_DATA, PTS5_IN, PTS5_OUT),
+	PINMUX_DATA(PTS4_DATA, PTS4_IN, PTS4_OUT),
+	PINMUX_DATA(PTS3_DATA, PTS3_IN, PTS3_OUT),
+	PINMUX_DATA(PTS2_DATA, PTS2_IN, PTS2_OUT),
+	PINMUX_DATA(PTS1_DATA, PTS1_IN, PTS1_OUT),
+	PINMUX_DATA(PTS0_DATA, PTS0_IN, PTS0_OUT),
+
+	/* PTT GPIO */
+	PINMUX_DATA(PTT5_DATA, PTT5_IN, PTT5_OUT),
+	PINMUX_DATA(PTT4_DATA, PTT4_IN, PTT4_OUT),
+	PINMUX_DATA(PTT3_DATA, PTT3_IN, PTT3_OUT),
+	PINMUX_DATA(PTT2_DATA, PTT2_IN, PTT2_OUT),
+	PINMUX_DATA(PTT1_DATA, PTT1_IN, PTT1_OUT),
+	PINMUX_DATA(PTT0_DATA, PTT0_IN, PTT0_OUT),
+
+	/* PTU GPIO */
+	PINMUX_DATA(PTU5_DATA, PTU5_IN, PTU5_OUT),
+	PINMUX_DATA(PTU4_DATA, PTU4_IN, PTU4_OUT),
+	PINMUX_DATA(PTU3_DATA, PTU3_IN, PTU3_OUT),
+	PINMUX_DATA(PTU2_DATA, PTU2_IN, PTU2_OUT),
+	PINMUX_DATA(PTU1_DATA, PTU1_IN, PTU1_OUT),
+	PINMUX_DATA(PTU0_DATA, PTU0_IN, PTU0_OUT),
+
+	/* PTV GPIO */
+	PINMUX_DATA(PTV7_DATA, PTV7_IN, PTV7_OUT),
+	PINMUX_DATA(PTV6_DATA, PTV6_IN, PTV6_OUT),
+	PINMUX_DATA(PTV5_DATA, PTV5_IN, PTV5_OUT),
+	PINMUX_DATA(PTV4_DATA, PTV4_IN, PTV4_OUT),
+	PINMUX_DATA(PTV3_DATA, PTV3_IN, PTV3_OUT),
+	PINMUX_DATA(PTV2_DATA, PTV2_IN, PTV2_OUT),
+	PINMUX_DATA(PTV1_DATA, PTV1_IN, PTV1_OUT),
+	PINMUX_DATA(PTV0_DATA, PTV0_IN, PTV0_OUT),
+
+	/* PTW GPIO */
+	PINMUX_DATA(PTW7_DATA, PTW7_IN, PTW7_OUT),
+	PINMUX_DATA(PTW6_DATA, PTW6_IN, PTW6_OUT),
+	PINMUX_DATA(PTW5_DATA, PTW5_IN, PTW5_OUT),
+	PINMUX_DATA(PTW4_DATA, PTW4_IN, PTW4_OUT),
+	PINMUX_DATA(PTW3_DATA, PTW3_IN, PTW3_OUT),
+	PINMUX_DATA(PTW2_DATA, PTW2_IN, PTW2_OUT),
+	PINMUX_DATA(PTW1_DATA, PTW1_IN, PTW1_OUT),
+	PINMUX_DATA(PTW0_DATA, PTW0_IN, PTW0_OUT),
+
+	/* PTX GPIO */
+	PINMUX_DATA(PTX7_DATA, PTX7_IN, PTX7_OUT),
+	PINMUX_DATA(PTX6_DATA, PTX6_IN, PTX6_OUT),
+	PINMUX_DATA(PTX5_DATA, PTX5_IN, PTX5_OUT),
+	PINMUX_DATA(PTX4_DATA, PTX4_IN, PTX4_OUT),
+	PINMUX_DATA(PTX3_DATA, PTX3_IN, PTX3_OUT),
+	PINMUX_DATA(PTX2_DATA, PTX2_IN, PTX2_OUT),
+	PINMUX_DATA(PTX1_DATA, PTX1_IN, PTX1_OUT),
+	PINMUX_DATA(PTX0_DATA, PTX0_IN, PTX0_OUT),
+
+	/* PTY GPIO */
+	PINMUX_DATA(PTY7_DATA, PTY7_IN, PTY7_OUT),
+	PINMUX_DATA(PTY6_DATA, PTY6_IN, PTY6_OUT),
+	PINMUX_DATA(PTY5_DATA, PTY5_IN, PTY5_OUT),
+	PINMUX_DATA(PTY4_DATA, PTY4_IN, PTY4_OUT),
+	PINMUX_DATA(PTY3_DATA, PTY3_IN, PTY3_OUT),
+	PINMUX_DATA(PTY2_DATA, PTY2_IN, PTY2_OUT),
+	PINMUX_DATA(PTY1_DATA, PTY1_IN, PTY1_OUT),
+	PINMUX_DATA(PTY0_DATA, PTY0_IN, PTY0_OUT),
+
+	/* PTZ GPIO */
+	PINMUX_DATA(PTZ7_DATA, PTZ7_IN, PTZ7_OUT),
+	PINMUX_DATA(PTZ6_DATA, PTZ6_IN, PTZ6_OUT),
+	PINMUX_DATA(PTZ5_DATA, PTZ5_IN, PTZ5_OUT),
+	PINMUX_DATA(PTZ4_DATA, PTZ4_IN, PTZ4_OUT),
+	PINMUX_DATA(PTZ3_DATA, PTZ3_IN, PTZ3_OUT),
+	PINMUX_DATA(PTZ2_DATA, PTZ2_IN, PTZ2_OUT),
+	PINMUX_DATA(PTZ1_DATA, PTZ1_IN, PTZ1_OUT),
+	PINMUX_DATA(PTZ0_DATA, PTZ0_IN, PTZ0_OUT),
+
+	/* PTA FN */
+	PINMUX_DATA(D23_MARK, PSA15_PSA14_FN1, PTA7_FN),
+	PINMUX_DATA(KEYOUT2_MARK, PSA15_PSA14_FN2, PTA7_FN),
+	PINMUX_DATA(D22_MARK, PSA15_PSA14_FN1, PTA6_FN),
+	PINMUX_DATA(KEYOUT1_MARK, PSA15_PSA14_FN2, PTA6_FN),
+	PINMUX_DATA(D21_MARK, PSA15_PSA14_FN1, PTA5_FN),
+	PINMUX_DATA(KEYOUT0_MARK, PSA15_PSA14_FN2, PTA5_FN),
+	PINMUX_DATA(D20_MARK, PSA15_PSA14_FN1, PTA4_FN),
+	PINMUX_DATA(KEYIN4_MARK, PSA15_PSA14_FN2, PTA4_FN),
+	PINMUX_DATA(D19_MARK, PSA15_PSA14_FN1, PTA3_FN),
+	PINMUX_DATA(KEYIN3_MARK, PSA15_PSA14_FN2, PTA3_FN),
+	PINMUX_DATA(D18_MARK, PSA15_PSA14_FN1, PTA2_FN),
+	PINMUX_DATA(KEYIN2_MARK, PSA15_PSA14_FN2, PTA2_FN),
+	PINMUX_DATA(D17_MARK, PSA15_PSA14_FN1, PTA1_FN),
+	PINMUX_DATA(KEYIN1_MARK, PSA15_PSA14_FN2, PTA1_FN),
+	PINMUX_DATA(D16_MARK, PSA15_PSA14_FN1, PTA0_FN),
+	PINMUX_DATA(KEYIN0_MARK, PSA15_PSA14_FN2, PTA0_FN),
+
+	/* PTB FN */
+	PINMUX_DATA(D31_MARK, PTB7_FN),
+	PINMUX_DATA(D30_MARK, PTB6_FN),
+	PINMUX_DATA(D29_MARK, PTB5_FN),
+	PINMUX_DATA(D28_MARK, PTB4_FN),
+	PINMUX_DATA(D27_MARK, PTB3_FN),
+	PINMUX_DATA(D26_MARK, PSA15_PSA14_FN1, PTB2_FN),
+	PINMUX_DATA(KEYOUT5_IN5_MARK, PSA15_PSA14_FN2, PTB2_FN),
+	PINMUX_DATA(D25_MARK, PSA15_PSA14_FN1, PTB1_FN),
+	PINMUX_DATA(KEYOUT4_IN6_MARK, PSA15_PSA14_FN2, PTB1_FN),
+	PINMUX_DATA(D24_MARK, PSA15_PSA14_FN1, PTB0_FN),
+	PINMUX_DATA(KEYOUT3_MARK, PSA15_PSA14_FN2, PTB0_FN),
+
+	/* PTC FN */
+	PINMUX_DATA(IDED15_MARK, PSA11_PSA10_FN1, PTC7_FN),
+	PINMUX_DATA(SDHI1CD_MARK, PSA11_PSA10_FN2, PTC7_FN),
+	PINMUX_DATA(IDED14_MARK, PSA11_PSA10_FN1, PTC6_FN),
+	PINMUX_DATA(SDHI1WP_MARK, PSA11_PSA10_FN2, PTC6_FN),
+	PINMUX_DATA(IDED13_MARK, PSA11_PSA10_FN1, PTC5_FN),
+	PINMUX_DATA(SDHI1D3_MARK, PSA11_PSA10_FN2, PTC5_FN),
+	PINMUX_DATA(IDED12_MARK, PSA11_PSA10_FN1, PTC4_FN),
+	PINMUX_DATA(SDHI1D2_MARK, PSA11_PSA10_FN2, PTC4_FN),
+	PINMUX_DATA(IDED11_MARK, PSA11_PSA10_FN1, PTC3_FN),
+	PINMUX_DATA(SDHI1D1_MARK, PSA11_PSA10_FN2, PTC3_FN),
+	PINMUX_DATA(IDED10_MARK, PSA11_PSA10_FN1, PTC2_FN),
+	PINMUX_DATA(SDHI1D0_MARK, PSA11_PSA10_FN2, PTC2_FN),
+	PINMUX_DATA(IDED9_MARK, PSA11_PSA10_FN1, PTC1_FN),
+	PINMUX_DATA(SDHI1CMD_MARK, PSA11_PSA10_FN2, PTC1_FN),
+	PINMUX_DATA(IDED8_MARK, PSA11_PSA10_FN1, PTC0_FN),
+	PINMUX_DATA(SDHI1CLK_MARK, PSA11_PSA10_FN2, PTC0_FN),
+
+	/* PTD FN */
+	PINMUX_DATA(IDED7_MARK, PSA11_PSA10_FN1, PTD7_FN),
+	PINMUX_DATA(SDHI0CD_PTD_MARK, PSA11_PSA10_FN2, PTD7_FN),
+	PINMUX_DATA(IDED6_MARK, PSA11_PSA10_FN1, PTD6_FN),
+	PINMUX_DATA(SDHI0WP_PTD_MARK, PSA11_PSA10_FN2, PTD6_FN),
+	PINMUX_DATA(IDED5_MARK, PSA11_PSA10_FN1, PTD5_FN),
+	PINMUX_DATA(SDHI0D3_PTD_MARK, PSA11_PSA10_FN2, PTD5_FN),
+	PINMUX_DATA(IDED4_MARK, PSA11_PSA10_FN1, PTD4_FN),
+	PINMUX_DATA(SDHI0D2_PTD_MARK, PSA11_PSA10_FN2, PTD4_FN),
+	PINMUX_DATA(IDED3_MARK, PSA11_PSA10_FN1, PTD3_FN),
+	PINMUX_DATA(SDHI0D1_PTD_MARK, PSA11_PSA10_FN2, PTD3_FN),
+	PINMUX_DATA(IDED2_MARK, PSA11_PSA10_FN1, PTD2_FN),
+	PINMUX_DATA(SDHI0D0_PTD_MARK, PSA11_PSA10_FN2, PTD2_FN),
+	PINMUX_DATA(IDED1_MARK, PSA11_PSA10_FN1, PTD1_FN),
+	PINMUX_DATA(SDHI0CMD_PTD_MARK, PSA11_PSA10_FN2, PTD1_FN),
+	PINMUX_DATA(IDED0_MARK, PSA11_PSA10_FN1, PTD0_FN),
+	PINMUX_DATA(SDHI0CLK_PTD_MARK, PSA11_PSA10_FN2, PTD0_FN),
+
+	/* PTE FN */
+	PINMUX_DATA(DIRECTION_MARK, PSA11_PSA10_FN1, PTE5_FN),
+	PINMUX_DATA(SCIF5_PTE_SCK_MARK, PSA11_PSA10_FN2, PTE5_FN),
+	PINMUX_DATA(EXBUF_ENB_MARK, PSA11_PSA10_FN1, PTE4_FN),
+	PINMUX_DATA(SCIF5_PTE_RXD_MARK, PSA11_PSA10_FN2, PTE4_FN),
+	PINMUX_DATA(IDERST_MARK, PSA11_PSA10_FN1, PTE3_FN),
+	PINMUX_DATA(SCIF5_PTE_TXD_MARK, PSA11_PSA10_FN2, PTE3_FN),
+	PINMUX_DATA(IODACK_MARK, PSA11_PSA10_FN1, PTE2_FN),
+	PINMUX_DATA(SCIF4_PTE_SCK_MARK, PSA11_PSA10_FN2, PTE2_FN),
+	PINMUX_DATA(IODREQ_MARK, PSA11_PSA10_FN1, PTE1_FN),
+	PINMUX_DATA(SCIF4_PTE_RXD_MARK, PSA11_PSA10_FN2, PTE1_FN),
+	PINMUX_DATA(IDEIORDY_MARK, PSA11_PSA10_FN1, PTE0_FN),
+	PINMUX_DATA(SCIF4_PTE_TXD_MARK, PSA11_PSA10_FN2, PTE0_FN),
+
+	/* PTF FN */
+	PINMUX_DATA(IDEINT_MARK, PTF7_FN),
+	PINMUX_DATA(IDEIOWR_MARK, PSA5_PSA4_FN1, PTF6_FN),
+	PINMUX_DATA(MSIOF0_PTF_SS2_MARK, PSA5_PSA4_FN2, PTF6_FN),
+	PINMUX_DATA(MSIOF0_PTF_RSYNC_MARK, PSA5_PSA4_FN3, PTF6_FN),
+	PINMUX_DATA(IDEIORD_MARK, PSA5_PSA4_FN1, PTF5_FN),
+	PINMUX_DATA(MSIOF0_PTF_SS1_MARK, PSA5_PSA4_FN2, PTF5_FN),
+	PINMUX_DATA(MSIOF0_PTF_RSCK_MARK, PSA5_PSA4_FN3, PTF5_FN),
+	PINMUX_DATA(IDECS1_MARK, PSA11_PSA10_FN1, PTF4_FN),
+	PINMUX_DATA(MSIOF0_PTF_TSYNC_MARK, PSA11_PSA10_FN2, PTF4_FN),
+	PINMUX_DATA(IDECS0_MARK, PSA11_PSA10_FN1, PTF3_FN),
+	PINMUX_DATA(MSIOF0_PTF_TSCK_MARK, PSA11_PSA10_FN2, PTF3_FN),
+	PINMUX_DATA(IDEA2_MARK, PSA11_PSA10_FN1, PTF2_FN),
+	PINMUX_DATA(MSIOF0_PTF_RXD_MARK, PSA11_PSA10_FN2, PTF2_FN),
+	PINMUX_DATA(IDEA1_MARK, PSA11_PSA10_FN1, PTF1_FN),
+	PINMUX_DATA(MSIOF0_PTF_TXD_MARK, PSA11_PSA10_FN2, PTF1_FN),
+	PINMUX_DATA(IDEA0_MARK, PSA11_PSA10_FN1, PTF0_FN),
+	PINMUX_DATA(MSIOF0_PTF_MCK_MARK, PSA11_PSA10_FN2, PTF0_FN),
+
+	/* PTG FN */
+	PINMUX_DATA(AUDCK_MARK, PTG5_FN),
+	PINMUX_DATA(AUDSYNC_MARK, PTG4_FN),
+	PINMUX_DATA(AUDATA3_MARK, PSA3_PSA2_FN1, PTG3_FN),
+	PINMUX_DATA(TPUTO3_MARK, PSA3_PSA2_FN2, PTG3_FN),
+	PINMUX_DATA(AUDATA2_MARK, PSA3_PSA2_FN1, PTG2_FN),
+	PINMUX_DATA(TPUTO2_MARK, PSA3_PSA2_FN2, PTG2_FN),
+	PINMUX_DATA(AUDATA1_MARK, PSA3_PSA2_FN1, PTG1_FN),
+	PINMUX_DATA(TPUTO1_MARK, PSA3_PSA2_FN2, PTG1_FN),
+	PINMUX_DATA(AUDATA0_MARK, PSA3_PSA2_FN1, PTG0_FN),
+	PINMUX_DATA(TPUTO0_MARK, PSA3_PSA2_FN2, PTG0_FN),
+
+	/* PTG FN */
+	PINMUX_DATA(LCDVCPWC_MARK, PTH7_FN),
+	PINMUX_DATA(LCDRD_MARK, PSB15_PSB14_FN1, PTH6_FN),
+	PINMUX_DATA(DV_CLKI_MARK, PSB15_PSB14_FN2, PTH6_FN),
+	PINMUX_DATA(LCDVSYN_MARK, PSB15_PSB14_FN1, PTH5_FN),
+	PINMUX_DATA(DV_CLK_MARK, PSB15_PSB14_FN2, PTH5_FN),
+	PINMUX_DATA(LCDDISP_MARK, PSB13_PSB12_LCDC_RGB, PTH4_FN),
+	PINMUX_DATA(LCDRS_MARK, PSB13_PSB12_LCDC_SYS, PTH4_FN),
+	PINMUX_DATA(LCDHSYN_MARK, PSB13_PSB12_LCDC_RGB, PTH3_FN),
+	PINMUX_DATA(LCDCS_MARK, PSB13_PSB12_LCDC_SYS, PTH3_FN),
+	PINMUX_DATA(LCDDON_MARK, PTH2_FN),
+	PINMUX_DATA(LCDDCK_MARK, PSB13_PSB12_LCDC_RGB, PTH1_FN),
+	PINMUX_DATA(LCDWR_MARK, PSB13_PSB12_LCDC_SYS, PTH1_FN),
+	PINMUX_DATA(LCDVEPWC_MARK, PTH0_FN),
+
+	/* PTJ FN */
+	PINMUX_DATA(STATUS0_MARK, PTJ7_FN),
+	PINMUX_DATA(PDSTATUS_MARK, PTJ5_FN),
+	PINMUX_DATA(A25_MARK, PTJ3_FN),
+	PINMUX_DATA(A24_MARK, PTJ2_FN),
+	PINMUX_DATA(A23_MARK, PTJ1_FN),
+	PINMUX_DATA(A22_MARK, PTJ0_FN),
+
+	/* PTK FN */
+	PINMUX_DATA(SIUAFCK_MARK, PTK7_FN),
+	PINMUX_DATA(SIUAILR_MARK, PSB9_PSB8_FN1, PTK6_FN),
+	PINMUX_DATA(MSIOF1_SS2_MARK, PSB9_PSB8_FN2, PTK6_FN),
+	PINMUX_DATA(MSIOF1_RSYNC_MARK, PSB9_PSB8_FN3, PTK6_FN),
+	PINMUX_DATA(SIUAIBT_MARK, PSB9_PSB8_FN1, PTK5_FN),
+	PINMUX_DATA(MSIOF1_SS1_MARK, PSB9_PSB8_FN2, PTK5_FN),
+	PINMUX_DATA(MSIOF1_RSCK_MARK, PSB9_PSB8_FN3, PTK5_FN),
+	PINMUX_DATA(SIUAISLD_MARK, PSB7_PSB6_FN1, PTK4_FN),
+	PINMUX_DATA(MSIOF1_RXD_MARK, PSB7_PSB6_FN2, PTK4_FN),
+	PINMUX_DATA(SIUAOLR_MARK, PSB7_PSB6_FN1, PTK3_FN),
+	PINMUX_DATA(MSIOF1_TSYNC_MARK, PSB7_PSB6_FN2, PTK3_FN),
+	PINMUX_DATA(SIUAOBT_MARK, PSB7_PSB6_FN1, PTK2_FN),
+	PINMUX_DATA(MSIOF1_TSCK_MARK, PSB7_PSB6_FN2, PTK2_FN),
+	PINMUX_DATA(SIUAOSLD_MARK, PSB7_PSB6_FN1, PTK1_FN),
+	PINMUX_DATA(MSIOF1_RXD_MARK, PSB7_PSB6_FN2, PTK1_FN),
+	PINMUX_DATA(SIUAMCK_MARK, PSB7_PSB6_FN1, PTK0_FN),
+	PINMUX_DATA(MSIOF1_MCK_MARK, PSB7_PSB6_FN2, PTK0_FN),
+
+	/* PTL FN */
+	PINMUX_DATA(LCDD15_MARK, PSB5_PSB4_FN1, PTL7_FN),
+	PINMUX_DATA(DV_D15_MARK, PSB5_PSB4_FN2, PTL7_FN),
+	PINMUX_DATA(LCDD14_MARK, PSB5_PSB4_FN1, PTL6_FN),
+	PINMUX_DATA(DV_D14_MARK, PSB5_PSB4_FN2, PTL6_FN),
+	PINMUX_DATA(LCDD13_MARK, PSB5_PSB4_FN1, PTL5_FN),
+	PINMUX_DATA(DV_D13_MARK, PSB5_PSB4_FN2, PTL5_FN),
+	PINMUX_DATA(LCDD12_MARK, PSB5_PSB4_FN1, PTL4_FN),
+	PINMUX_DATA(DV_D12_MARK, PSB5_PSB4_FN2, PTL4_FN),
+	PINMUX_DATA(LCDD11_MARK, PSB5_PSB4_FN1, PTL3_FN),
+	PINMUX_DATA(DV_D11_MARK, PSB5_PSB4_FN2, PTL3_FN),
+	PINMUX_DATA(LCDD10_MARK, PSB5_PSB4_FN1, PTL2_FN),
+	PINMUX_DATA(DV_D10_MARK, PSB5_PSB4_FN2, PTL2_FN),
+	PINMUX_DATA(LCDD9_MARK, PSB5_PSB4_FN1, PTL1_FN),
+	PINMUX_DATA(DV_D9_MARK, PSB5_PSB4_FN2, PTL1_FN),
+	PINMUX_DATA(LCDD8_MARK, PSB5_PSB4_FN1, PTL0_FN),
+	PINMUX_DATA(DV_D8_MARK, PSB5_PSB4_FN2, PTL0_FN),
+
+	/* PTM FN */
+	PINMUX_DATA(LCDD7_MARK, PSB5_PSB4_FN1, PTM7_FN),
+	PINMUX_DATA(DV_D7_MARK, PSB5_PSB4_FN2, PTM7_FN),
+	PINMUX_DATA(LCDD6_MARK, PSB5_PSB4_FN1, PTM6_FN),
+	PINMUX_DATA(DV_D6_MARK, PSB5_PSB4_FN2, PTM6_FN),
+	PINMUX_DATA(LCDD5_MARK, PSB5_PSB4_FN1, PTM5_FN),
+	PINMUX_DATA(DV_D5_MARK, PSB5_PSB4_FN2, PTM5_FN),
+	PINMUX_DATA(LCDD4_MARK, PSB5_PSB4_FN1, PTM4_FN),
+	PINMUX_DATA(DV_D4_MARK, PSB5_PSB4_FN2, PTM4_FN),
+	PINMUX_DATA(LCDD3_MARK, PSB5_PSB4_FN1, PTM3_FN),
+	PINMUX_DATA(DV_D3_MARK, PSB5_PSB4_FN2, PTM3_FN),
+	PINMUX_DATA(LCDD2_MARK, PSB5_PSB4_FN1, PTM2_FN),
+	PINMUX_DATA(DV_D2_MARK, PSB5_PSB4_FN2, PTM2_FN),
+	PINMUX_DATA(LCDD1_MARK, PSB5_PSB4_FN1, PTM1_FN),
+	PINMUX_DATA(DV_D1_MARK, PSB5_PSB4_FN2, PTM1_FN),
+	PINMUX_DATA(LCDD0_MARK, PSB5_PSB4_FN1, PTM0_FN),
+	PINMUX_DATA(DV_D0_MARK, PSB5_PSB4_FN2, PTM0_FN),
+
+	/* PTN FN */
+	PINMUX_DATA(LCDD23_MARK, PSB3_PSB2_FN1, PTN7_FN),
+	PINMUX_DATA(SCIF5_PTN_SCK_MARK, PSB3_PSB2_FN2, PTN7_FN),
+	PINMUX_DATA(LCDD22_MARK, PSB3_PSB2_FN1, PTN6_FN),
+	PINMUX_DATA(SCIF5_PTN_RXD_MARK, PSB3_PSB2_FN2, PTN6_FN),
+	PINMUX_DATA(LCDD21_MARK, PSB3_PSB2_FN1, PTN5_FN),
+	PINMUX_DATA(SCIF5_PTN_TXD_MARK, PSB3_PSB2_FN2, PTN5_FN),
+	PINMUX_DATA(LCDD20_MARK, PSB3_PSB2_FN1, PTN4_FN),
+	PINMUX_DATA(SCIF4_PTN_SCK_MARK, PSB3_PSB2_FN2, PTN4_FN),
+	PINMUX_DATA(LCDD19_MARK, PSB3_PSB2_FN1, PTN3_FN),
+	PINMUX_DATA(SCIF4_PTN_RXD_MARK, PSB3_PSB2_FN2, PTN3_FN),
+	PINMUX_DATA(LCDD18_MARK, PSB3_PSB2_FN1, PTN2_FN),
+	PINMUX_DATA(SCIF4_PTN_TXD_MARK, PSB3_PSB2_FN2, PTN2_FN),
+	PINMUX_DATA(LCDD17_MARK, PSB5_PSB4_FN1, PTN1_FN),
+	PINMUX_DATA(DV_VSYNC_MARK, PSB5_PSB4_FN2, PTN1_FN),
+	PINMUX_DATA(LCDD16_MARK, PSB5_PSB4_FN1, PTN0_FN),
+	PINMUX_DATA(DV_HSYNC_MARK, PSB5_PSB4_FN2, PTN0_FN),
+
+	/* PTQ FN */
+	PINMUX_DATA(AN3_MARK, PTQ3_FN),
+	PINMUX_DATA(AN2_MARK, PTQ2_FN),
+	PINMUX_DATA(AN1_MARK, PTQ1_FN),
+	PINMUX_DATA(AN0_MARK, PTQ0_FN),
+
+	/* PTR FN */
+	PINMUX_DATA(CS6B_CE1B_MARK, PTR7_FN),
+	PINMUX_DATA(CS6A_CE2B_MARK, PTR6_FN),
+	PINMUX_DATA(CS5B_CE1A_MARK, PTR5_FN),
+	PINMUX_DATA(CS5A_CE2A_MARK, PTR4_FN),
+	PINMUX_DATA(IOIS16_MARK, PSA13_PSA12_FN1, PTR3_FN),
+	PINMUX_DATA(LCDLCLK_PTR_MARK, PSA13_PSA12_FN2, PTR3_FN),
+	PINMUX_DATA(WAIT_MARK, PTR2_FN),
+	PINMUX_DATA(WE3_ICIOWR_MARK, PTR1_FN),
+	PINMUX_DATA(WE2_ICIORD_MARK, PTR0_FN),
+
+	/* PTS FN */
+	PINMUX_DATA(SCIF1_PTS_SCK_MARK, PSC15_PSC14_FN1, PTS7_FN),
+	PINMUX_DATA(SDHI0CD_PTS_MARK, PSC15_PSC14_FN2, PTS7_FN),
+	PINMUX_DATA(SCIF1_PTS_RXD_MARK, PSC15_PSC14_FN1, PTS6_FN),
+	PINMUX_DATA(SDHI0WP_PTS_MARK, PSC15_PSC14_FN2, PTS6_FN),
+	PINMUX_DATA(SCIF1_PTS_TXD_MARK, PSC15_PSC14_FN1, PTS5_FN),
+	PINMUX_DATA(SDHI0D3_PTS_MARK, PSC15_PSC14_FN2, PTS5_FN),
+	PINMUX_DATA(SCIF3_PTS_CTS_MARK, PSC15_PSC14_FN1, PTS4_FN),
+	PINMUX_DATA(SDHI0D2_PTS_MARK, PSC15_PSC14_FN2, PTS4_FN),
+	PINMUX_DATA(SCIF3_PTS_RTS_MARK, PSC15_PSC14_FN1, PTS3_FN),
+	PINMUX_DATA(SDHI0D1_PTS_MARK, PSC15_PSC14_FN2, PTS3_FN),
+	PINMUX_DATA(SCIF3_PTS_SCK_MARK, PSC15_PSC14_FN1, PTS2_FN),
+	PINMUX_DATA(SDHI0D0_PTS_MARK, PSC15_PSC14_FN2, PTS2_FN),
+	PINMUX_DATA(SCIF3_PTS_RXD_MARK, PSC15_PSC14_FN1, PTS1_FN),
+	PINMUX_DATA(SDHI0CMD_PTS_MARK, PSC15_PSC14_FN2, PTS1_FN),
+	PINMUX_DATA(SCIF3_PTS_TXD_MARK, PSC15_PSC14_FN1, PTS0_FN),
+	PINMUX_DATA(SDHI0CLK_PTS_MARK, PSC15_PSC14_FN2, PTS0_FN),
+
+	/* PTT FN */
+	PINMUX_DATA(SCIF0_PTT_SCK_MARK, PSC13_PSC12_FN1, PTT5_FN),
+	PINMUX_DATA(MSIOF0_PTT_TSCK_MARK, PSC13_PSC12_FN2, PTT5_FN),
+	PINMUX_DATA(SCIF0_PTT_RXD_MARK, PSC13_PSC12_FN1, PTT4_FN),
+	PINMUX_DATA(MSIOF0_PTT_RXD_MARK, PSC13_PSC12_FN2, PTT4_FN),
+	PINMUX_DATA(SCIF0_PTT_TXD_MARK, PSC13_PSC12_FN1, PTT3_FN),
+	PINMUX_DATA(MSIOF0_PTT_TXD_MARK, PSC13_PSC12_FN2, PTT3_FN),
+	PINMUX_DATA(SCIF2_PTT_SCK_MARK, PSC11_PSC10_FN1, PTT2_FN),
+	PINMUX_DATA(MSIOF0_PTT_TSYNC_MARK, PSC11_PSC10_FN2, PTT2_FN),
+	PINMUX_DATA(SCIF2_PTT_RXD_MARK, PSC11_PSC10_FN1, PTT1_FN),
+	PINMUX_DATA(MSIOF0_PTT_SS1_MARK, PSC11_PSC10_FN2, PTT1_FN),
+	PINMUX_DATA(MSIOF0_PTT_RSCK_MARK, PSC11_PSC10_FN3, PTT1_FN),
+	PINMUX_DATA(SCIF2_PTT_TXD_MARK, PSC11_PSC10_FN1, PTT0_FN),
+	PINMUX_DATA(MSIOF0_PTT_SS2_MARK, PSC11_PSC10_FN2, PTT0_FN),
+	PINMUX_DATA(MSIOF0_PTT_RSYNC_MARK, PSC11_PSC10_FN3, PTT0_FN),
+
+	/* PTU FN */
+	PINMUX_DATA(FCDE_MARK, PSC9_PSC8_FN1, PTU5_FN),
+	PINMUX_DATA(SCIF0_PTU_SCK_MARK, PSC9_PSC8_FN2, PTU5_FN),
+	PINMUX_DATA(FSC_MARK, PSC9_PSC8_FN1, PTU4_FN),
+	PINMUX_DATA(SCIF0_PTU_RXD_MARK, PSC9_PSC8_FN2, PTU4_FN),
+	PINMUX_DATA(FWE_MARK, PSC9_PSC8_FN1, PTU3_FN),
+	PINMUX_DATA(SCIF0_PTU_TXD_MARK, PSC9_PSC8_FN2, PTU3_FN),
+	PINMUX_DATA(FOE_MARK, PSC7_PSC6_FN1, PTU2_FN),
+	PINMUX_DATA(SCIF2_PTU_SCK_MARK, PSC7_PSC6_FN2, PTU2_FN),
+	PINMUX_DATA(VIO_VD2_MARK, PSC7_PSC6_FN3, PTU2_FN),
+	PINMUX_DATA(FRB_MARK, PSC7_PSC6_FN1, PTU1_FN),
+	PINMUX_DATA(SCIF2_PTU_RXD_MARK, PSC7_PSC6_FN2, PTU1_FN),
+	PINMUX_DATA(VIO_CLK2_MARK, PSC7_PSC6_FN3, PTU1_FN),
+	PINMUX_DATA(FCE_MARK, PSC7_PSC6_FN1, PTU0_FN),
+	PINMUX_DATA(SCIF2_PTU_TXD_MARK, PSC7_PSC6_FN2, PTU0_FN),
+	PINMUX_DATA(VIO_HD2_MARK, PSC7_PSC6_FN3, PTU0_FN),
+
+	/* PTV FN */
+	PINMUX_DATA(NAF7_MARK, PSC7_PSC6_FN1, PTV7_FN),
+	PINMUX_DATA(SCIF1_PTV_SCK_MARK, PSC7_PSC6_FN2, PTV7_FN),
+	PINMUX_DATA(VIO_D15_MARK, PSC7_PSC6_FN3, PTV7_FN),
+	PINMUX_DATA(NAF6_MARK, PSC7_PSC6_FN1, PTV6_FN),
+	PINMUX_DATA(SCIF1_PTV_RXD_MARK, PSC7_PSC6_FN2, PTV6_FN),
+	PINMUX_DATA(VIO_D14_MARK, PSC7_PSC6_FN3, PTV6_FN),
+	PINMUX_DATA(NAF5_MARK, PSC7_PSC6_FN1, PTV5_FN),
+	PINMUX_DATA(SCIF1_PTV_TXD_MARK, PSC7_PSC6_FN2, PTV5_FN),
+	PINMUX_DATA(VIO_D13_MARK, PSC7_PSC6_FN3, PTV5_FN),
+	PINMUX_DATA(NAF4_MARK, PSC7_PSC6_FN1, PTV4_FN),
+	PINMUX_DATA(SCIF3_PTV_CTS_MARK, PSC7_PSC6_FN2, PTV4_FN),
+	PINMUX_DATA(VIO_D12_MARK, PSC7_PSC6_FN3, PTV4_FN),
+	PINMUX_DATA(NAF3_MARK, PSC7_PSC6_FN1, PTV3_FN),
+	PINMUX_DATA(SCIF3_PTV_RTS_MARK, PSC7_PSC6_FN2, PTV3_FN),
+	PINMUX_DATA(VIO_D11_MARK, PSC7_PSC6_FN3, PTV3_FN),
+	PINMUX_DATA(NAF2_MARK, PSC7_PSC6_FN1, PTV2_FN),
+	PINMUX_DATA(SCIF3_PTV_SCK_MARK, PSC7_PSC6_FN2, PTV2_FN),
+	PINMUX_DATA(VIO_D10_MARK, PSC7_PSC6_FN3, PTV2_FN),
+	PINMUX_DATA(NAF1_MARK, PSC7_PSC6_FN1, PTV1_FN),
+	PINMUX_DATA(SCIF3_PTV_RXD_MARK, PSC7_PSC6_FN2, PTV1_FN),
+	PINMUX_DATA(VIO_D9_MARK, PSC7_PSC6_FN3, PTV1_FN),
+	PINMUX_DATA(NAF0_MARK, PSC7_PSC6_FN1, PTV0_FN),
+	PINMUX_DATA(SCIF3_PTV_TXD_MARK, PSC7_PSC6_FN2, PTV0_FN),
+	PINMUX_DATA(VIO_D8_MARK, PSC7_PSC6_FN3, PTV0_FN),
+
+	/* PTW FN */
+	PINMUX_DATA(IRQ7_MARK, PTW7_FN),
+	PINMUX_DATA(IRQ6_MARK, PTW6_FN),
+	PINMUX_DATA(IRQ5_MARK, PTW5_FN),
+	PINMUX_DATA(IRQ4_MARK, PSD15_PSD14_FN1, PTW4_FN),
+	PINMUX_DATA(LCDLCLK_PTW_MARK, PSD15_PSD14_FN2, PTW4_FN),
+	PINMUX_DATA(IRQ3_MARK, PSD13_PSD12_FN1, PTW3_FN),
+	PINMUX_DATA(ADTRG_MARK, PSD13_PSD12_FN2, PTW3_FN),
+	PINMUX_DATA(IRQ2_MARK, PSD11_PSD10_FN1, PTW2_FN),
+	PINMUX_DATA(BS_MARK, PSD11_PSD10_FN2, PTW2_FN),
+	PINMUX_DATA(VIO_CKO_MARK, PSD11_PSD10_FN3, PTW2_FN),
+	PINMUX_DATA(IRQ1_MARK, PSD9_PSD8_FN1, PTW1_FN),
+	PINMUX_DATA(SIUAISPD_MARK, PSD9_PSD8_FN2, PTW1_FN),
+	PINMUX_DATA(IRQ0_MARK, PSD7_PSD6_FN1, PTW0_FN),
+	PINMUX_DATA(SIUAOSPD_MARK, PSD7_PSD6_FN2, PTW0_FN),
+
+	/* PTX FN */
+	PINMUX_DATA(DACK1_MARK, PTX7_FN),
+	PINMUX_DATA(DREQ1_MARK, PSD3_PSD2_FN1, PTX6_FN),
+	PINMUX_DATA(MSIOF0_PTX_MCK_MARK, PSD3_PSD2_FN2, PTX6_FN),
+	PINMUX_DATA(DACK1_MARK, PTX5_FN),
+	PINMUX_DATA(IRDA_OUT_MARK, PSD5_PSD4_FN2, PTX5_FN),
+	PINMUX_DATA(DREQ1_MARK, PTX4_FN),
+	PINMUX_DATA(IRDA_IN_MARK, PSD5_PSD4_FN2, PTX4_FN),
+	PINMUX_DATA(TS0_SDAT_MARK, PTX3_FN),
+	PINMUX_DATA(TS0_SCK_MARK, PTX2_FN),
+	PINMUX_DATA(TS0_SDEN_MARK, PTX1_FN),
+	PINMUX_DATA(TS0_SPSYNC_MARK, PTX0_FN),
+
+	/* PTY FN */
+	PINMUX_DATA(VIO_D7_MARK, PTY7_FN),
+	PINMUX_DATA(VIO_D6_MARK, PTY6_FN),
+	PINMUX_DATA(VIO_D5_MARK, PTY5_FN),
+	PINMUX_DATA(VIO_D4_MARK, PTY4_FN),
+	PINMUX_DATA(VIO_D3_MARK, PTY3_FN),
+	PINMUX_DATA(VIO_D2_MARK, PTY2_FN),
+	PINMUX_DATA(VIO_D1_MARK, PTY1_FN),
+	PINMUX_DATA(VIO_D0_MARK, PTY0_FN),
+
+	/* PTZ FN */
+	PINMUX_DATA(SIUBOBT_MARK, PTZ7_FN),
+	PINMUX_DATA(SIUBOLR_MARK, PTZ6_FN),
+	PINMUX_DATA(SIUBOSLD_MARK, PTZ5_FN),
+	PINMUX_DATA(SIUBMCK_MARK, PTZ4_FN),
+	PINMUX_DATA(VIO_FLD_MARK, PSD1_PSD0_FN1, PTZ3_FN),
+	PINMUX_DATA(SIUBFCK_MARK, PSD1_PSD0_FN2, PTZ3_FN),
+	PINMUX_DATA(VIO_HD1_MARK, PSD1_PSD0_FN1, PTZ2_FN),
+	PINMUX_DATA(SIUBILR_MARK, PSD1_PSD0_FN2, PTZ2_FN),
+	PINMUX_DATA(VIO_VD1_MARK, PSD1_PSD0_FN1, PTZ1_FN),
+	PINMUX_DATA(SIUBIBT_MARK, PSD1_PSD0_FN2, PTZ1_FN),
+	PINMUX_DATA(VIO_CLK1_MARK, PSD1_PSD0_FN1, PTZ0_FN),
+	PINMUX_DATA(SIUBISLD_MARK, PSD1_PSD0_FN2, PTZ0_FN),
+};
+
+static struct pinmux_gpio pinmux_gpios[] = {
+	/* PTA */
+	PINMUX_GPIO(GPIO_PTA7, PTA7_DATA),
+	PINMUX_GPIO(GPIO_PTA6, PTA6_DATA),
+	PINMUX_GPIO(GPIO_PTA5, PTA5_DATA),
+	PINMUX_GPIO(GPIO_PTA4, PTA4_DATA),
+	PINMUX_GPIO(GPIO_PTA3, PTA3_DATA),
+	PINMUX_GPIO(GPIO_PTA2, PTA2_DATA),
+	PINMUX_GPIO(GPIO_PTA1, PTA1_DATA),
+	PINMUX_GPIO(GPIO_PTA0, PTA0_DATA),
+
+	/* PTB */
+	PINMUX_GPIO(GPIO_PTB7, PTB7_DATA),
+	PINMUX_GPIO(GPIO_PTB6, PTB6_DATA),
+	PINMUX_GPIO(GPIO_PTB5, PTB5_DATA),
+	PINMUX_GPIO(GPIO_PTB4, PTB4_DATA),
+	PINMUX_GPIO(GPIO_PTB3, PTB3_DATA),
+	PINMUX_GPIO(GPIO_PTB2, PTB2_DATA),
+	PINMUX_GPIO(GPIO_PTB1, PTB1_DATA),
+	PINMUX_GPIO(GPIO_PTB0, PTB0_DATA),
+
+	/* PTC */
+	PINMUX_GPIO(GPIO_PTC7, PTC7_DATA),
+	PINMUX_GPIO(GPIO_PTC6, PTC6_DATA),
+	PINMUX_GPIO(GPIO_PTC5, PTC5_DATA),
+	PINMUX_GPIO(GPIO_PTC4, PTC4_DATA),
+	PINMUX_GPIO(GPIO_PTC3, PTC3_DATA),
+	PINMUX_GPIO(GPIO_PTC2, PTC2_DATA),
+	PINMUX_GPIO(GPIO_PTC1, PTC1_DATA),
+	PINMUX_GPIO(GPIO_PTC0, PTC0_DATA),
+
+	/* PTD */
+	PINMUX_GPIO(GPIO_PTD7, PTD7_DATA),
+	PINMUX_GPIO(GPIO_PTD6, PTD6_DATA),
+	PINMUX_GPIO(GPIO_PTD5, PTD5_DATA),
+	PINMUX_GPIO(GPIO_PTD4, PTD4_DATA),
+	PINMUX_GPIO(GPIO_PTD3, PTD3_DATA),
+	PINMUX_GPIO(GPIO_PTD2, PTD2_DATA),
+	PINMUX_GPIO(GPIO_PTD1, PTD1_DATA),
+	PINMUX_GPIO(GPIO_PTD0, PTD0_DATA),
+
+	/* PTE */
+	PINMUX_GPIO(GPIO_PTE5, PTE5_DATA),
+	PINMUX_GPIO(GPIO_PTE4, PTE4_DATA),
+	PINMUX_GPIO(GPIO_PTE3, PTE3_DATA),
+	PINMUX_GPIO(GPIO_PTE2, PTE2_DATA),
+	PINMUX_GPIO(GPIO_PTE1, PTE1_DATA),
+	PINMUX_GPIO(GPIO_PTE0, PTE0_DATA),
+
+	/* PTF */
+	PINMUX_GPIO(GPIO_PTF7, PTF7_DATA),
+	PINMUX_GPIO(GPIO_PTF6, PTF6_DATA),
+	PINMUX_GPIO(GPIO_PTF5, PTF5_DATA),
+	PINMUX_GPIO(GPIO_PTF4, PTF4_DATA),
+	PINMUX_GPIO(GPIO_PTF3, PTF3_DATA),
+	PINMUX_GPIO(GPIO_PTF2, PTF2_DATA),
+	PINMUX_GPIO(GPIO_PTF1, PTF1_DATA),
+	PINMUX_GPIO(GPIO_PTF0, PTF0_DATA),
+
+	/* PTG */
+	PINMUX_GPIO(GPIO_PTG5, PTG5_DATA),
+	PINMUX_GPIO(GPIO_PTG4, PTG4_DATA),
+	PINMUX_GPIO(GPIO_PTG3, PTG3_DATA),
+	PINMUX_GPIO(GPIO_PTG2, PTG2_DATA),
+	PINMUX_GPIO(GPIO_PTG1, PTG1_DATA),
+	PINMUX_GPIO(GPIO_PTG0, PTG0_DATA),
+
+	/* PTH */
+	PINMUX_GPIO(GPIO_PTH7, PTH7_DATA),
+	PINMUX_GPIO(GPIO_PTH6, PTH6_DATA),
+	PINMUX_GPIO(GPIO_PTH5, PTH5_DATA),
+	PINMUX_GPIO(GPIO_PTH4, PTH4_DATA),
+	PINMUX_GPIO(GPIO_PTH3, PTH3_DATA),
+	PINMUX_GPIO(GPIO_PTH2, PTH2_DATA),
+	PINMUX_GPIO(GPIO_PTH1, PTH1_DATA),
+	PINMUX_GPIO(GPIO_PTH0, PTH0_DATA),
+
+	/* PTJ */
+	PINMUX_GPIO(GPIO_PTJ7, PTJ7_DATA),
+	PINMUX_GPIO(GPIO_PTJ5, PTJ5_DATA),
+	PINMUX_GPIO(GPIO_PTJ3, PTJ3_DATA),
+	PINMUX_GPIO(GPIO_PTJ2, PTJ2_DATA),
+	PINMUX_GPIO(GPIO_PTJ1, PTJ1_DATA),
+	PINMUX_GPIO(GPIO_PTJ0, PTJ0_DATA),
+
+	/* PTK */
+	PINMUX_GPIO(GPIO_PTK7, PTK7_DATA),
+	PINMUX_GPIO(GPIO_PTK6, PTK6_DATA),
+	PINMUX_GPIO(GPIO_PTK5, PTK5_DATA),
+	PINMUX_GPIO(GPIO_PTK4, PTK4_DATA),
+	PINMUX_GPIO(GPIO_PTK3, PTK3_DATA),
+	PINMUX_GPIO(GPIO_PTK2, PTK2_DATA),
+	PINMUX_GPIO(GPIO_PTK1, PTK1_DATA),
+	PINMUX_GPIO(GPIO_PTK0, PTK0_DATA),
+
+	/* PTL */
+	PINMUX_GPIO(GPIO_PTL7, PTL7_DATA),
+	PINMUX_GPIO(GPIO_PTL6, PTL6_DATA),
+	PINMUX_GPIO(GPIO_PTL5, PTL5_DATA),
+	PINMUX_GPIO(GPIO_PTL4, PTL4_DATA),
+	PINMUX_GPIO(GPIO_PTL3, PTL3_DATA),
+	PINMUX_GPIO(GPIO_PTL2, PTL2_DATA),
+	PINMUX_GPIO(GPIO_PTL1, PTL1_DATA),
+	PINMUX_GPIO(GPIO_PTL0, PTL0_DATA),
+
+	/* PTM */
+	PINMUX_GPIO(GPIO_PTM7, PTM7_DATA),
+	PINMUX_GPIO(GPIO_PTM6, PTM6_DATA),
+	PINMUX_GPIO(GPIO_PTM5, PTM5_DATA),
+	PINMUX_GPIO(GPIO_PTM4, PTM4_DATA),
+	PINMUX_GPIO(GPIO_PTM3, PTM3_DATA),
+	PINMUX_GPIO(GPIO_PTM2, PTM2_DATA),
+	PINMUX_GPIO(GPIO_PTM1, PTM1_DATA),
+	PINMUX_GPIO(GPIO_PTM0, PTM0_DATA),
+
+	/* PTN */
+	PINMUX_GPIO(GPIO_PTN7, PTN7_DATA),
+	PINMUX_GPIO(GPIO_PTN6, PTN6_DATA),
+	PINMUX_GPIO(GPIO_PTN5, PTN5_DATA),
+	PINMUX_GPIO(GPIO_PTN4, PTN4_DATA),
+	PINMUX_GPIO(GPIO_PTN3, PTN3_DATA),
+	PINMUX_GPIO(GPIO_PTN2, PTN2_DATA),
+	PINMUX_GPIO(GPIO_PTN1, PTN1_DATA),
+	PINMUX_GPIO(GPIO_PTN0, PTN0_DATA),
+
+	/* PTQ */
+	PINMUX_GPIO(GPIO_PTQ3, PTQ3_DATA),
+	PINMUX_GPIO(GPIO_PTQ2, PTQ2_DATA),
+	PINMUX_GPIO(GPIO_PTQ1, PTQ1_DATA),
+	PINMUX_GPIO(GPIO_PTQ0, PTQ0_DATA),
+
+	/* PTR */
+	PINMUX_GPIO(GPIO_PTR7, PTR7_DATA),
+	PINMUX_GPIO(GPIO_PTR6, PTR6_DATA),
+	PINMUX_GPIO(GPIO_PTR5, PTR5_DATA),
+	PINMUX_GPIO(GPIO_PTR4, PTR4_DATA),
+	PINMUX_GPIO(GPIO_PTR3, PTR3_DATA),
+	PINMUX_GPIO(GPIO_PTR2, PTR2_DATA),
+	PINMUX_GPIO(GPIO_PTR1, PTR1_DATA),
+	PINMUX_GPIO(GPIO_PTR0, PTR0_DATA),
+
+	/* PTS */
+	PINMUX_GPIO(GPIO_PTS7, PTS7_DATA),
+	PINMUX_GPIO(GPIO_PTS6, PTS6_DATA),
+	PINMUX_GPIO(GPIO_PTS5, PTS5_DATA),
+	PINMUX_GPIO(GPIO_PTS4, PTS4_DATA),
+	PINMUX_GPIO(GPIO_PTS3, PTS3_DATA),
+	PINMUX_GPIO(GPIO_PTS2, PTS2_DATA),
+	PINMUX_GPIO(GPIO_PTS1, PTS1_DATA),
+	PINMUX_GPIO(GPIO_PTS0, PTS0_DATA),
+
+	/* PTT */
+	PINMUX_GPIO(GPIO_PTT5, PTT5_DATA),
+	PINMUX_GPIO(GPIO_PTT4, PTT4_DATA),
+	PINMUX_GPIO(GPIO_PTT3, PTT3_DATA),
+	PINMUX_GPIO(GPIO_PTT2, PTT2_DATA),
+	PINMUX_GPIO(GPIO_PTT1, PTT1_DATA),
+	PINMUX_GPIO(GPIO_PTT0, PTT0_DATA),
+
+	/* PTU */
+	PINMUX_GPIO(GPIO_PTU5, PTU5_DATA),
+	PINMUX_GPIO(GPIO_PTU4, PTU4_DATA),
+	PINMUX_GPIO(GPIO_PTU3, PTU3_DATA),
+	PINMUX_GPIO(GPIO_PTU2, PTU2_DATA),
+	PINMUX_GPIO(GPIO_PTU1, PTU1_DATA),
+	PINMUX_GPIO(GPIO_PTU0, PTU0_DATA),
+
+	/* PTV */
+	PINMUX_GPIO(GPIO_PTV7, PTV7_DATA),
+	PINMUX_GPIO(GPIO_PTV6, PTV6_DATA),
+	PINMUX_GPIO(GPIO_PTV5, PTV5_DATA),
+	PINMUX_GPIO(GPIO_PTV4, PTV4_DATA),
+	PINMUX_GPIO(GPIO_PTV3, PTV3_DATA),
+	PINMUX_GPIO(GPIO_PTV2, PTV2_DATA),
+	PINMUX_GPIO(GPIO_PTV1, PTV1_DATA),
+	PINMUX_GPIO(GPIO_PTV0, PTV0_DATA),
+
+	/* PTW */
+	PINMUX_GPIO(GPIO_PTW7, PTW7_DATA),
+	PINMUX_GPIO(GPIO_PTW6, PTW6_DATA),
+	PINMUX_GPIO(GPIO_PTW5, PTW5_DATA),
+	PINMUX_GPIO(GPIO_PTW4, PTW4_DATA),
+	PINMUX_GPIO(GPIO_PTW3, PTW3_DATA),
+	PINMUX_GPIO(GPIO_PTW2, PTW2_DATA),
+	PINMUX_GPIO(GPIO_PTW1, PTW1_DATA),
+	PINMUX_GPIO(GPIO_PTW0, PTW0_DATA),
+
+	/* PTX */
+	PINMUX_GPIO(GPIO_PTX7, PTX7_DATA),
+	PINMUX_GPIO(GPIO_PTX6, PTX6_DATA),
+	PINMUX_GPIO(GPIO_PTX5, PTX5_DATA),
+	PINMUX_GPIO(GPIO_PTX4, PTX4_DATA),
+	PINMUX_GPIO(GPIO_PTX3, PTX3_DATA),
+	PINMUX_GPIO(GPIO_PTX2, PTX2_DATA),
+	PINMUX_GPIO(GPIO_PTX1, PTX1_DATA),
+	PINMUX_GPIO(GPIO_PTX0, PTX0_DATA),
+
+	/* PTY */
+	PINMUX_GPIO(GPIO_PTY7, PTY7_DATA),
+	PINMUX_GPIO(GPIO_PTY6, PTY6_DATA),
+	PINMUX_GPIO(GPIO_PTY5, PTY5_DATA),
+	PINMUX_GPIO(GPIO_PTY4, PTY4_DATA),
+	PINMUX_GPIO(GPIO_PTY3, PTY3_DATA),
+	PINMUX_GPIO(GPIO_PTY2, PTY2_DATA),
+	PINMUX_GPIO(GPIO_PTY1, PTY1_DATA),
+	PINMUX_GPIO(GPIO_PTY0, PTY0_DATA),
+
+	/* PTZ */
+	PINMUX_GPIO(GPIO_PTZ7, PTZ7_DATA),
+	PINMUX_GPIO(GPIO_PTZ6, PTZ6_DATA),
+	PINMUX_GPIO(GPIO_PTZ5, PTZ5_DATA),
+	PINMUX_GPIO(GPIO_PTZ4, PTZ4_DATA),
+	PINMUX_GPIO(GPIO_PTZ3, PTZ3_DATA),
+	PINMUX_GPIO(GPIO_PTZ2, PTZ2_DATA),
+	PINMUX_GPIO(GPIO_PTZ1, PTZ1_DATA),
+	PINMUX_GPIO(GPIO_PTZ0, PTZ0_DATA),
+
+	/* SCIF0 */
+	PINMUX_GPIO(GPIO_FN_SCIF0_PTT_TXD, SCIF0_PTT_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_PTT_RXD, SCIF0_PTT_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_PTT_SCK, SCIF0_PTT_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_PTU_TXD, SCIF0_PTU_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_PTU_RXD, SCIF0_PTU_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_PTU_SCK, SCIF0_PTU_SCK_MARK),
+
+	/* SCIF1 */
+	PINMUX_GPIO(GPIO_FN_SCIF1_PTS_TXD, SCIF1_PTS_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_PTS_RXD, SCIF1_PTS_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_PTS_SCK, SCIF1_PTS_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_PTV_TXD, SCIF1_PTV_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_PTV_RXD, SCIF1_PTV_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_PTV_SCK, SCIF1_PTV_SCK_MARK),
+
+	/* SCIF2 */
+	PINMUX_GPIO(GPIO_FN_SCIF2_PTT_TXD, SCIF2_PTT_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_PTT_RXD, SCIF2_PTT_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_PTT_SCK, SCIF2_PTT_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_PTU_TXD, SCIF2_PTU_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_PTU_RXD, SCIF2_PTU_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_PTU_SCK, SCIF2_PTU_SCK_MARK),
+
+	/* SCIF3 */
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTS_TXD, SCIF3_PTS_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTS_RXD, SCIF3_PTS_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTS_SCK, SCIF3_PTS_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTS_RTS, SCIF3_PTS_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTS_CTS, SCIF3_PTS_CTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTV_TXD, SCIF3_PTV_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTV_RXD, SCIF3_PTV_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTV_SCK, SCIF3_PTV_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTV_RTS, SCIF3_PTV_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_PTV_CTS, SCIF3_PTV_CTS_MARK),
+
+	/* SCIF4 */
+	PINMUX_GPIO(GPIO_FN_SCIF4_PTE_TXD, SCIF4_PTE_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_PTE_RXD, SCIF4_PTE_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_PTE_SCK, SCIF4_PTE_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_PTN_TXD, SCIF4_PTN_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_PTN_RXD, SCIF4_PTN_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_PTN_SCK, SCIF4_PTN_SCK_MARK),
+
+	/* SCIF5 */
+	PINMUX_GPIO(GPIO_FN_SCIF5_PTE_TXD, SCIF5_PTE_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_PTE_RXD, SCIF5_PTE_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_PTE_SCK, SCIF5_PTE_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_PTN_TXD, SCIF5_PTN_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_PTN_RXD, SCIF5_PTN_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_PTN_SCK, SCIF5_PTN_SCK_MARK),
+
+	/* CEU */
+	PINMUX_GPIO(GPIO_FN_VIO_D15, VIO_D15_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D14, VIO_D14_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D13, VIO_D13_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D12, VIO_D12_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D11, VIO_D11_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D10, VIO_D10_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D9, VIO_D9_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D8, VIO_D8_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D7, VIO_D7_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D6, VIO_D6_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D5, VIO_D5_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D4, VIO_D4_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D3, VIO_D3_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D2, VIO_D2_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D1, VIO_D1_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_D0, VIO_D0_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_CLK1, VIO_CLK1_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_VD1, VIO_VD1_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_HD1, VIO_HD1_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_FLD, VIO_FLD_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_CKO, VIO_CKO_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_VD2, VIO_VD2_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_HD2, VIO_HD2_MARK),
+	PINMUX_GPIO(GPIO_FN_VIO_CLK2, VIO_CLK2_MARK),
+
+	/* LCDC */
+	PINMUX_GPIO(GPIO_FN_LCDD23, LCDD23_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD22, LCDD22_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD21, LCDD21_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD20, LCDD20_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD19, LCDD19_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD18, LCDD18_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD17, LCDD17_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD16, LCDD16_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD15, LCDD15_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD14, LCDD14_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD13, LCDD13_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD12, LCDD12_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD11, LCDD11_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD10, LCDD10_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD9, LCDD9_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD8, LCDD8_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD7, LCDD7_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD6, LCDD6_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD5, LCDD5_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD4, LCDD4_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD3, LCDD3_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD2, LCDD2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD1, LCDD1_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDD0, LCDD0_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDLCLK_PTR, LCDLCLK_PTR_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDLCLK_PTW, LCDLCLK_PTW_MARK),
+	/* Main LCD */
+	PINMUX_GPIO(GPIO_FN_LCDDON, LCDDON_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVCPWC, LCDVCPWC_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVEPWC, LCDVEPWC_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDVSYN, LCDVSYN_MARK),
+	/* Main LCD - RGB Mode */
+	PINMUX_GPIO(GPIO_FN_LCDDCK, LCDDCK_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDHSYN, LCDHSYN_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDDISP, LCDDISP_MARK),
+	/* Main LCD - SYS Mode */
+	PINMUX_GPIO(GPIO_FN_LCDRS, LCDRS_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDCS, LCDCS_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDWR, LCDWR_MARK),
+	PINMUX_GPIO(GPIO_FN_LCDRD, LCDRD_MARK),
+
+	/* IRQ */
+	PINMUX_GPIO(GPIO_FN_IRQ0, IRQ0_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ1, IRQ1_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ2, IRQ2_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ3, IRQ3_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ4, IRQ4_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ5, IRQ5_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ6, IRQ6_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ7, IRQ7_MARK),
+
+	/* AUD */
+	PINMUX_GPIO(GPIO_FN_AUDCK, AUDCK_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDSYNC, AUDSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA3, AUDATA3_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA2, AUDATA2_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA1, AUDATA1_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA0, AUDATA0_MARK),
+
+	/* SDHI0 (PTD) */
+	PINMUX_GPIO(GPIO_FN_SDHI0CD_PTD, SDHI0CD_PTD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0WP_PTD, SDHI0WP_PTD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D3_PTD, SDHI0D3_PTD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D2_PTD, SDHI0D2_PTD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D1_PTD, SDHI0D1_PTD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D0_PTD, SDHI0D0_PTD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0CMD_PTD, SDHI0CMD_PTD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0CLK_PTD, SDHI0CLK_PTD_MARK),
+
+	/* SDHI0 (PTS) */
+	PINMUX_GPIO(GPIO_FN_SDHI0CD_PTS, SDHI0CD_PTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0WP_PTS, SDHI0WP_PTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D3_PTS, SDHI0D3_PTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D2_PTS, SDHI0D2_PTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D1_PTS, SDHI0D1_PTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0D0_PTS, SDHI0D0_PTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0CMD_PTS, SDHI0CMD_PTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI0CLK_PTS, SDHI0CLK_PTS_MARK),
+
+	/* SDHI1 */
+	PINMUX_GPIO(GPIO_FN_SDHI1CD, SDHI1CD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI1WP, SDHI1WP_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI1D3, SDHI1D3_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI1D2, SDHI1D2_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI1D1, SDHI1D1_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI1D0, SDHI1D0_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI1CMD, SDHI1CMD_MARK),
+	PINMUX_GPIO(GPIO_FN_SDHI1CLK, SDHI1CLK_MARK),
+
+	/* SIUA */
+	PINMUX_GPIO(GPIO_FN_SIUAFCK, SIUAFCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAILR, SIUAILR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAIBT, SIUAIBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAISLD, SIUAISLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAOLR, SIUAOLR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAOBT, SIUAOBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAOSLD, SIUAOSLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAMCK, SIUAMCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUAISPD, SIUAISPD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUOSPD, SIUAOSPD_MARK),
+
+	/* SIUB */
+	PINMUX_GPIO(GPIO_FN_SIUBFCK, SIUBFCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBILR, SIUBILR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBIBT, SIUBIBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBISLD, SIUBISLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBOLR, SIUBOLR_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBOBT, SIUBOBT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBOSLD, SIUBOSLD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIUBMCK, SIUBMCK_MARK),
+
+	/* IRDA */
+	PINMUX_GPIO(GPIO_FN_IRDA_IN, IRDA_IN_MARK),
+	PINMUX_GPIO(GPIO_FN_IRDA_OUT, IRDA_OUT_MARK),
+
+	/* VOU */
+	PINMUX_GPIO(GPIO_FN_DV_CLKI, DV_CLKI_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_CLK, DV_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_HSYNC, DV_HSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_VSYNC, DV_VSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D15, DV_D15_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D14, DV_D14_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D13, DV_D13_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D12, DV_D12_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D11, DV_D11_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D10, DV_D10_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D9, DV_D9_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D8, DV_D8_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D7, DV_D7_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D6, DV_D6_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D5, DV_D5_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D4, DV_D4_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D3, DV_D3_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D2, DV_D2_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D1, DV_D1_MARK),
+	PINMUX_GPIO(GPIO_FN_DV_D0, DV_D0_MARK),
+
+	/* KEYSC */
+	PINMUX_GPIO(GPIO_FN_KEYIN0, KEYIN0_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN1, KEYIN1_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN2, KEYIN2_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN3, KEYIN3_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYIN4, KEYIN4_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT0, KEYOUT0_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT1, KEYOUT1_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT2, KEYOUT2_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT3, KEYOUT3_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT4_IN6, KEYOUT4_IN6_MARK),
+	PINMUX_GPIO(GPIO_FN_KEYOUT5_IN5, KEYOUT5_IN5_MARK),
+
+	/* MSIOF0 (PTF) */
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_TXD, MSIOF0_PTF_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_RXD, MSIOF0_PTF_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_MCK, MSIOF0_PTF_MCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_TSYNC, MSIOF0_PTF_TSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_TSCK, MSIOF0_PTF_TSCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_RSYNC, MSIOF0_PTF_RSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_RSCK, MSIOF0_PTF_RSCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_SS1, MSIOF0_PTF_SS1_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTF_SS2, MSIOF0_PTF_SS2_MARK),
+
+	/* MSIOF0 (PTT+PTX) */
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_TXD, MSIOF0_PTT_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_RXD, MSIOF0_PTT_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTX_MCK, MSIOF0_PTX_MCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_TSYNC, MSIOF0_PTT_TSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_TSCK, MSIOF0_PTT_TSCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_RSYNC, MSIOF0_PTT_RSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_RSCK, MSIOF0_PTT_RSCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_SS1, MSIOF0_PTT_SS1_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF0_PTT_SS2, MSIOF0_PTT_SS2_MARK),
+
+	/* MSIOF1 */
+	PINMUX_GPIO(GPIO_FN_MSIOF1_TXD, MSIOF1_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_RXD, MSIOF1_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_MCK, MSIOF1_MCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_TSYNC, MSIOF1_TSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_TSCK, MSIOF1_TSCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_RSYNC, MSIOF1_RSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_RSCK, MSIOF1_RSCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_SS1, MSIOF1_SS1_MARK),
+	PINMUX_GPIO(GPIO_FN_MSIOF1_SS2, MSIOF1_SS2_MARK),
+
+	/* TSIF */
+	PINMUX_GPIO(GPIO_FN_TS0_SDAT, TS0_SDAT_MARK),
+	PINMUX_GPIO(GPIO_FN_TS0_SCK, TS0_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_TS0_SDEN, TS0_SDEN_MARK),
+	PINMUX_GPIO(GPIO_FN_TS0_SPSYNC, TS0_SPSYNC_MARK),
+
+	/* FLCTL */
+	PINMUX_GPIO(GPIO_FN_FCE, FCE_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF7, NAF7_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF6, NAF6_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF5, NAF5_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF4, NAF4_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF3, NAF3_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF2, NAF2_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF1, NAF1_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF0, NAF0_MARK),
+	PINMUX_GPIO(GPIO_FN_FCDE, FCDE_MARK),
+	PINMUX_GPIO(GPIO_FN_FOE, FOE_MARK),
+	PINMUX_GPIO(GPIO_FN_FSC, FSC_MARK),
+	PINMUX_GPIO(GPIO_FN_FWE, FWE_MARK),
+	PINMUX_GPIO(GPIO_FN_FRB, FRB_MARK),
+
+	/* DMAC */
+	PINMUX_GPIO(GPIO_FN_DACK1, DACK1_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ1, DREQ1_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK0, DACK0_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ0, DREQ0_MARK),
+
+	/* ADC */
+	PINMUX_GPIO(GPIO_FN_AN3, AN3_MARK),
+	PINMUX_GPIO(GPIO_FN_AN2, AN2_MARK),
+	PINMUX_GPIO(GPIO_FN_AN1, AN1_MARK),
+	PINMUX_GPIO(GPIO_FN_AN0, AN0_MARK),
+	PINMUX_GPIO(GPIO_FN_ADTRG, ADTRG_MARK),
+
+	/* CPG */
+	PINMUX_GPIO(GPIO_FN_STATUS0, STATUS0_MARK),
+	PINMUX_GPIO(GPIO_FN_PDSTATUS, PDSTATUS_MARK),
+
+	/* TPU */
+	PINMUX_GPIO(GPIO_FN_TPUTO0, TPUTO0_MARK),
+	PINMUX_GPIO(GPIO_FN_TPUTO1, TPUTO1_MARK),
+	PINMUX_GPIO(GPIO_FN_TPUTO2, TPUTO2_MARK),
+	PINMUX_GPIO(GPIO_FN_TPUTO3, TPUTO3_MARK),
+
+	/* BSC */
+	PINMUX_GPIO(GPIO_FN_D31, D31_MARK),
+	PINMUX_GPIO(GPIO_FN_D30, D30_MARK),
+	PINMUX_GPIO(GPIO_FN_D29, D29_MARK),
+	PINMUX_GPIO(GPIO_FN_D28, D28_MARK),
+	PINMUX_GPIO(GPIO_FN_D27, D27_MARK),
+	PINMUX_GPIO(GPIO_FN_D26, D26_MARK),
+	PINMUX_GPIO(GPIO_FN_D25, D25_MARK),
+	PINMUX_GPIO(GPIO_FN_D24, D24_MARK),
+	PINMUX_GPIO(GPIO_FN_D23, D23_MARK),
+	PINMUX_GPIO(GPIO_FN_D22, D22_MARK),
+	PINMUX_GPIO(GPIO_FN_D21, D21_MARK),
+	PINMUX_GPIO(GPIO_FN_D20, D20_MARK),
+	PINMUX_GPIO(GPIO_FN_D19, D19_MARK),
+	PINMUX_GPIO(GPIO_FN_D18, D18_MARK),
+	PINMUX_GPIO(GPIO_FN_D17, D17_MARK),
+	PINMUX_GPIO(GPIO_FN_D16, D16_MARK),
+	PINMUX_GPIO(GPIO_FN_IOIS16, IOIS16_MARK),
+	PINMUX_GPIO(GPIO_FN_WAIT, WAIT_MARK),
+	PINMUX_GPIO(GPIO_FN_BS, BS_MARK),
+	PINMUX_GPIO(GPIO_FN_A25, A25_MARK),
+	PINMUX_GPIO(GPIO_FN_A24, A24_MARK),
+	PINMUX_GPIO(GPIO_FN_A23, A23_MARK),
+	PINMUX_GPIO(GPIO_FN_A22, A22_MARK),
+	PINMUX_GPIO(GPIO_FN_CS6B_CE1B, CS6B_CE1B_MARK),
+	PINMUX_GPIO(GPIO_FN_CS6A_CE2B, CS6A_CE2B_MARK),
+	PINMUX_GPIO(GPIO_FN_CS5B_CE1A, CS5B_CE1A_MARK),
+	PINMUX_GPIO(GPIO_FN_CS5A_CE2A, CS5A_CE2A_MARK),
+	PINMUX_GPIO(GPIO_FN_WE3_ICIOWR, WE3_ICIOWR_MARK),
+	PINMUX_GPIO(GPIO_FN_WE2_ICIORD, WE2_ICIORD_MARK),
+
+	/* ATAPI */
+	PINMUX_GPIO(GPIO_FN_IDED15, IDED15_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED14, IDED14_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED13, IDED13_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED12, IDED12_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED11, IDED11_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED10, IDED10_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED9, IDED9_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED8, IDED8_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED7, IDED7_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED6, IDED6_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED5, IDED5_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED4, IDED4_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED3, IDED3_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED2, IDED2_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED1, IDED1_MARK),
+	PINMUX_GPIO(GPIO_FN_IDED0, IDED0_MARK),
+	PINMUX_GPIO(GPIO_FN_DIRECTION, DIRECTION_MARK),
+	PINMUX_GPIO(GPIO_FN_EXBUF_ENB, EXBUF_ENB_MARK),
+	PINMUX_GPIO(GPIO_FN_IDERST, IDERST_MARK),
+	PINMUX_GPIO(GPIO_FN_IODACK, IODACK_MARK),
+	PINMUX_GPIO(GPIO_FN_IODREQ, IODREQ_MARK),
+	PINMUX_GPIO(GPIO_FN_IDEIORDY, IDEIORDY_MARK),
+	PINMUX_GPIO(GPIO_FN_IDEINT, IDEINT_MARK),
+	PINMUX_GPIO(GPIO_FN_IDEIOWR, IDEIOWR_MARK),
+	PINMUX_GPIO(GPIO_FN_IDEIORD, IDEIORD_MARK),
+	PINMUX_GPIO(GPIO_FN_IDECS1, IDECS1_MARK),
+	PINMUX_GPIO(GPIO_FN_IDECS0, IDECS0_MARK),
+	PINMUX_GPIO(GPIO_FN_IDEA2, IDEA2_MARK),
+	PINMUX_GPIO(GPIO_FN_IDEA1, IDEA1_MARK),
+	PINMUX_GPIO(GPIO_FN_IDEA0, IDEA0_MARK),
+ };
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	{ PINMUX_CFG_REG("PACR", 0xa4050100, 16, 2) {
+		PTA7_FN, PTA7_OUT, 0, PTA7_IN,
+		PTA6_FN, PTA6_OUT, 0, PTA6_IN,
+		PTA5_FN, PTA5_OUT, 0, PTA5_IN,
+		PTA4_FN, PTA4_OUT, PTA4_IN_PU, PTA4_IN,
+		PTA3_FN, PTA3_OUT, PTA3_IN_PU, PTA3_IN,
+		PTA2_FN, PTA2_OUT, PTA2_IN_PU, PTA2_IN,
+		PTA1_FN, PTA1_OUT, PTA1_IN_PU, PTA1_IN,
+		PTA0_FN, PTA0_OUT, PTA0_IN_PU, PTA0_IN }
+	},
+	{ PINMUX_CFG_REG("PBCR", 0xa4050102, 16, 2) {
+		PTB7_FN, PTB7_OUT, 0, PTB7_IN,
+		PTB6_FN, PTB6_OUT, 0, PTB6_IN,
+		PTB5_FN, PTB5_OUT, 0, PTB5_IN,
+		PTB4_FN, PTB4_OUT, 0, PTB4_IN,
+		PTB3_FN, PTB3_OUT, 0, PTB3_IN,
+		PTB2_FN, PTB2_OUT, PTB2_IN_PU, PTB2_IN,
+		PTB1_FN, PTB1_OUT, PTB1_IN_PU, PTB1_IN,
+		PTB0_FN, PTB0_OUT, 0, PTB0_IN }
+	},
+	{ PINMUX_CFG_REG("PCCR", 0xa4050104, 16, 2) {
+		PTC7_FN, PTC7_OUT, 0, PTC7_IN,
+		PTC6_FN, PTC6_OUT, 0, PTC6_IN,
+		PTC5_FN, PTC5_OUT, 0, PTC5_IN,
+		PTC4_FN, PTC4_OUT, 0, PTC4_IN,
+		PTC3_FN, PTC3_OUT, 0, PTC3_IN,
+		PTC2_FN, PTC2_OUT, 0, PTC2_IN,
+		PTC1_FN, PTC1_OUT, 0, PTC1_IN,
+		PTC0_FN, PTC0_OUT, 0, PTC0_IN }
+	},
+	{ PINMUX_CFG_REG("PDCR", 0xa4050106, 16, 2) {
+		PTD7_FN, PTD7_OUT, 0, PTD7_IN,
+		PTD6_FN, PTD6_OUT, 0, PTD6_IN,
+		PTD5_FN, PTD5_OUT, 0, PTD5_IN,
+		PTD4_FN, PTD4_OUT, 0, PTD4_IN,
+		PTD3_FN, PTD3_OUT, 0, PTD3_IN,
+		PTD2_FN, PTD2_OUT, 0, PTD2_IN,
+		PTD1_FN, PTD1_OUT, 0, PTD1_IN,
+		PTD0_FN, PTD0_OUT, 0, PTD0_IN }
+	},
+	{ PINMUX_CFG_REG("PECR", 0xa4050108, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTE5_FN, PTE5_OUT, 0, PTE5_IN,
+		PTE4_FN, PTE4_OUT, 0, PTE4_IN,
+		PTE3_FN, PTE3_OUT, 0, PTE3_IN,
+		PTE2_FN, PTE2_OUT, 0, PTE2_IN,
+		PTE1_FN, PTE1_OUT, 0, PTE1_IN,
+		PTE0_FN, PTE0_OUT, 0, PTE0_IN }
+	},
+	{ PINMUX_CFG_REG("PFCR", 0xa405010a, 16, 2) {
+		PTF7_FN, PTF7_OUT, 0, PTF7_IN,
+		PTF6_FN, PTF6_OUT, 0, PTF6_IN,
+		PTF5_FN, PTF5_OUT, 0, PTF5_IN,
+		PTF4_FN, PTF4_OUT, 0, PTF4_IN,
+		PTF3_FN, PTF3_OUT, 0, PTF3_IN,
+		PTF2_FN, PTF2_OUT, 0, PTF2_IN,
+		PTF1_FN, PTF1_OUT, 0, PTF1_IN,
+		PTF0_FN, PTF0_OUT, 0, PTF0_IN }
+	},
+	{ PINMUX_CFG_REG("PGCR", 0xa405010c, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTG5_FN, PTG5_OUT, 0, 0,
+		PTG4_FN, PTG4_OUT, 0, 0,
+		PTG3_FN, PTG3_OUT, 0, 0,
+		PTG2_FN, PTG2_OUT, 0, 0,
+		PTG1_FN, PTG1_OUT, 0, 0,
+		PTG0_FN, PTG0_OUT, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PHCR", 0xa405010e, 16, 2) {
+		PTH7_FN, PTH7_OUT, 0, PTH7_IN,
+		PTH6_FN, PTH6_OUT, 0, PTH6_IN,
+		PTH5_FN, PTH5_OUT, 0, PTH5_IN,
+		PTH4_FN, PTH4_OUT, 0, PTH4_IN,
+		PTH3_FN, PTH3_OUT, 0, PTH3_IN,
+		PTH2_FN, PTH2_OUT, 0, PTH2_IN,
+		PTH1_FN, PTH1_OUT, 0, PTH1_IN,
+		PTH0_FN, PTH0_OUT, 0, PTH0_IN }
+	},
+	{ PINMUX_CFG_REG("PJCR", 0xa4050110, 16, 2) {
+		PTJ7_FN, PTJ7_OUT, 0, 0,
+		0, 0, 0, 0,
+		PTJ5_FN, PTJ5_OUT, 0, 0,
+		0, 0, 0, 0,
+		PTJ3_FN, PTJ3_OUT, 0, PTJ3_IN,
+		PTJ2_FN, PTJ2_OUT, 0, PTJ2_IN,
+		PTJ1_FN, PTJ1_OUT, 0, PTJ1_IN,
+		PTJ0_FN, PTJ0_OUT, 0, PTJ0_IN }
+	},
+	{ PINMUX_CFG_REG("PKCR", 0xa4050112, 16, 2) {
+		PTK7_FN, PTK7_OUT, 0, PTK7_IN,
+		PTK6_FN, PTK6_OUT, 0, PTK6_IN,
+		PTK5_FN, PTK5_OUT, 0, PTK5_IN,
+		PTK4_FN, PTK4_OUT, 0, PTK4_IN,
+		PTK3_FN, PTK3_OUT, 0, PTK3_IN,
+		PTK2_FN, PTK2_OUT, 0, PTK2_IN,
+		PTK1_FN, PTK1_OUT, 0, PTK1_IN,
+		PTK0_FN, PTK0_OUT, 0, PTK0_IN }
+	},
+	{ PINMUX_CFG_REG("PLCR", 0xa4050114, 16, 2) {
+		PTL7_FN, PTL7_OUT, 0, PTL7_IN,
+		PTL6_FN, PTL6_OUT, 0, PTL6_IN,
+		PTL5_FN, PTL5_OUT, 0, PTL5_IN,
+		PTL4_FN, PTL4_OUT, 0, PTL4_IN,
+		PTL3_FN, PTL3_OUT, 0, PTL3_IN,
+		PTL2_FN, PTL2_OUT, 0, PTL2_IN,
+		PTL1_FN, PTL1_OUT, 0, PTL1_IN,
+		PTL0_FN, PTL0_OUT, 0, PTL0_IN }
+	},
+	{ PINMUX_CFG_REG("PMCR", 0xa4050116, 16, 2) {
+		PTM7_FN, PTM7_OUT, 0, PTM7_IN,
+		PTM6_FN, PTM6_OUT, 0, PTM6_IN,
+		PTM5_FN, PTM5_OUT, 0, PTM5_IN,
+		PTM4_FN, PTM4_OUT, 0, PTM4_IN,
+		PTM3_FN, PTM3_OUT, 0, PTM3_IN,
+		PTM2_FN, PTM2_OUT, 0, PTM2_IN,
+		PTM1_FN, PTM1_OUT, 0, PTM1_IN,
+		PTM0_FN, PTM0_OUT, 0, PTM0_IN }
+	},
+	{ PINMUX_CFG_REG("PNCR", 0xa4050118, 16, 2) {
+		PTN7_FN, PTN7_OUT, 0, PTN7_IN,
+		PTN6_FN, PTN6_OUT, 0, PTN6_IN,
+		PTN5_FN, PTN5_OUT, 0, PTN5_IN,
+		PTN4_FN, PTN4_OUT, 0, PTN4_IN,
+		PTN3_FN, PTN3_OUT, 0, PTN3_IN,
+		PTN2_FN, PTN2_OUT, 0, PTN2_IN,
+		PTN1_FN, PTN1_OUT, 0, PTN1_IN,
+		PTN0_FN, PTN0_OUT, 0, PTN0_IN }
+	},
+	{ PINMUX_CFG_REG("PQCR", 0xa405011a, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTQ3_FN, 0, 0, PTQ3_IN,
+		PTQ2_FN, 0, 0, PTQ2_IN,
+		PTQ1_FN, 0, 0, PTQ1_IN,
+		PTQ0_FN, 0, 0, PTQ0_IN }
+	},
+	{ PINMUX_CFG_REG("PRCR", 0xa405011c, 16, 2) {
+		PTR7_FN, PTR7_OUT, 0, PTR7_IN,
+		PTR6_FN, PTR6_OUT, 0, PTR6_IN,
+		PTR5_FN, PTR5_OUT, 0, PTR5_IN,
+		PTR4_FN, PTR4_OUT, 0, PTR4_IN,
+		PTR3_FN, 0, 0, PTR3_IN,
+		PTR2_FN, 0, PTR2_IN_PU, PTR2_IN,
+		PTR1_FN, PTR1_OUT, 0, PTR1_IN,
+		PTR0_FN, PTR0_OUT, 0, PTR0_IN }
+	},
+	{ PINMUX_CFG_REG("PSCR", 0xa405011e, 16, 2) {
+		PTS7_FN, PTS7_OUT, 0, PTS7_IN,
+		PTS6_FN, PTS6_OUT, 0, PTS6_IN,
+		PTS5_FN, PTS5_OUT, 0, PTS5_IN,
+		PTS4_FN, PTS4_OUT, 0, PTS4_IN,
+		PTS3_FN, PTS3_OUT, 0, PTS3_IN,
+		PTS2_FN, PTS2_OUT, 0, PTS2_IN,
+		PTS1_FN, PTS1_OUT, 0, PTS1_IN,
+		PTS0_FN, PTS0_OUT, 0, PTS0_IN }
+	},
+	{ PINMUX_CFG_REG("PTCR", 0xa4050140, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTT5_FN, PTT5_OUT, 0, PTT5_IN,
+		PTT4_FN, PTT4_OUT, 0, PTT4_IN,
+		PTT3_FN, PTT3_OUT, 0, PTT3_IN,
+		PTT2_FN, PTT2_OUT, 0, PTT2_IN,
+		PTT1_FN, PTT1_OUT, 0, PTT1_IN,
+		PTT0_FN, PTT0_OUT, 0, PTT0_IN }
+	},
+	{ PINMUX_CFG_REG("PUCR", 0xa4050142, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTU5_FN, PTU5_OUT, 0, PTU5_IN,
+		PTU4_FN, PTU4_OUT, 0, PTU4_IN,
+		PTU3_FN, PTU3_OUT, 0, PTU3_IN,
+		PTU2_FN, PTU2_OUT, 0, PTU2_IN,
+		PTU1_FN, PTU1_OUT, 0, PTU1_IN,
+		PTU0_FN, PTU0_OUT, 0, PTU0_IN }
+	},
+	{ PINMUX_CFG_REG("PVCR", 0xa4050144, 16, 2) {
+		PTV7_FN, PTV7_OUT, 0, PTV7_IN,
+		PTV6_FN, PTV6_OUT, 0, PTV6_IN,
+		PTV5_FN, PTV5_OUT, 0, PTV5_IN,
+		PTV4_FN, PTV4_OUT, 0, PTV4_IN,
+		PTV3_FN, PTV3_OUT, 0, PTV3_IN,
+		PTV2_FN, PTV2_OUT, 0, PTV2_IN,
+		PTV1_FN, PTV1_OUT, 0, PTV1_IN,
+		PTV0_FN, PTV0_OUT, 0, PTV0_IN }
+	},
+	{ PINMUX_CFG_REG("PWCR", 0xa4050146, 16, 2) {
+		PTW7_FN, PTW7_OUT, 0, PTW7_IN,
+		PTW6_FN, PTW6_OUT, 0, PTW6_IN,
+		PTW5_FN, PTW5_OUT, 0, PTW5_IN,
+		PTW4_FN, PTW4_OUT, 0, PTW4_IN,
+		PTW3_FN, PTW3_OUT, 0, PTW3_IN,
+		PTW2_FN, PTW2_OUT, 0, PTW2_IN,
+		PTW1_FN, PTW1_OUT, 0, PTW1_IN,
+		PTW0_FN, PTW0_OUT, 0, PTW0_IN }
+	},
+	{ PINMUX_CFG_REG("PXCR", 0xa4050148, 16, 2) {
+		PTX7_FN, PTX7_OUT, 0, PTX7_IN,
+		PTX6_FN, PTX6_OUT, 0, PTX6_IN,
+		PTX5_FN, PTX5_OUT, 0, PTX5_IN,
+		PTX4_FN, PTX4_OUT, 0, PTX4_IN,
+		PTX3_FN, PTX3_OUT, 0, PTX3_IN,
+		PTX2_FN, PTX2_OUT, 0, PTX2_IN,
+		PTX1_FN, PTX1_OUT, 0, PTX1_IN,
+		PTX0_FN, PTX0_OUT, 0, PTX0_IN }
+	},
+	{ PINMUX_CFG_REG("PYCR", 0xa405014a, 16, 2) {
+		PTY7_FN, PTY7_OUT, 0, PTY7_IN,
+		PTY6_FN, PTY6_OUT, 0, PTY6_IN,
+		PTY5_FN, PTY5_OUT, 0, PTY5_IN,
+		PTY4_FN, PTY4_OUT, 0, PTY4_IN,
+		PTY3_FN, PTY3_OUT, 0, PTY3_IN,
+		PTY2_FN, PTY2_OUT, 0, PTY2_IN,
+		PTY1_FN, PTY1_OUT, 0, PTY1_IN,
+		PTY0_FN, PTY0_OUT, 0, PTY0_IN }
+	},
+	{ PINMUX_CFG_REG("PZCR", 0xa405014c, 16, 2) {
+		PTZ7_FN, PTZ7_OUT, 0, PTZ7_IN,
+		PTZ6_FN, PTZ6_OUT, 0, PTZ6_IN,
+		PTZ5_FN, PTZ5_OUT, 0, PTZ5_IN,
+		PTZ4_FN, PTZ4_OUT, 0, PTZ4_IN,
+		PTZ3_FN, PTZ3_OUT, 0, PTZ3_IN,
+		PTZ2_FN, PTZ2_OUT, 0, PTZ2_IN,
+		PTZ1_FN, PTZ1_OUT, 0, PTZ1_IN,
+		PTZ0_FN, PTZ0_OUT, 0, PTZ0_IN }
+	},
+	{ PINMUX_CFG_REG("PSELA", 0xa405014e, 16, 2) {
+		PSA15_PSA14_FN1, PSA15_PSA14_FN2, 0, 0,
+		PSA13_PSA12_FN1, PSA13_PSA12_FN2, 0, 0,
+		PSA11_PSA10_FN1, PSA11_PSA10_FN2, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PSA5_PSA4_FN1, PSA5_PSA4_FN2, PSA5_PSA4_FN3, 0,
+		PSA3_PSA2_FN1, PSA3_PSA2_FN2, 0, 0,
+		0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PSELB", 0xa4050150, 16, 2) {
+		PSB15_PSB14_FN1, PSB15_PSB14_FN2, 0, 0,
+		PSB13_PSB12_LCDC_RGB, PSB13_PSB12_LCDC_SYS, 0, 0,
+		0, 0, 0, 0,
+		PSB9_PSB8_FN1, PSB9_PSB8_FN2, PSB9_PSB8_FN3, 0,
+		PSB7_PSB6_FN1, PSB7_PSB6_FN2, 0, 0,
+		PSB5_PSB4_FN1, PSB5_PSB4_FN2, 0, 0,
+		PSB3_PSB2_FN1, PSB3_PSB2_FN2, 0, 0,
+		0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PSELC", 0xa4050152, 16, 2) {
+		PSC15_PSC14_FN1, PSC15_PSC14_FN2, 0, 0,
+		PSC13_PSC12_FN1, PSC13_PSC12_FN2, 0, 0,
+		PSC11_PSC10_FN1, PSC11_PSC10_FN2, PSC11_PSC10_FN3, 0,
+		PSC9_PSC8_FN1, PSC9_PSC8_FN2, 0, 0,
+		PSC7_PSC6_FN1, PSC7_PSC6_FN2, PSC7_PSC6_FN3, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PSELD", 0xa4050154, 16, 2) {
+		PSD15_PSD14_FN1, PSD15_PSD14_FN2, 0, 0,
+		PSD13_PSD12_FN1, PSD13_PSD12_FN2, 0, 0,
+		PSD11_PSD10_FN1, PSD11_PSD10_FN2, PSD11_PSD10_FN3, 0,
+		PSD9_PSD8_FN1, PSD9_PSD8_FN2, 0, 0,
+		PSD7_PSD6_FN1, PSD7_PSD6_FN2, 0, 0,
+		PSD5_PSD4_FN1, PSD5_PSD4_FN2, 0, 0,
+		PSD3_PSD2_FN1, PSD3_PSD2_FN2, 0, 0,
+		PSD1_PSD0_FN1, PSD1_PSD0_FN2, 0, 0 }
+	},
+	{}
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PADR", 0xa4050120, 8) {
+		PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+		PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA }
+	},
+	{ PINMUX_DATA_REG("PBDR", 0xa4050122, 8) {
+		PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+		PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA }
+	},
+	{ PINMUX_DATA_REG("PCDR", 0xa4050124, 8) {
+		PTC7_DATA, PTC6_DATA, PTC5_DATA, PTC4_DATA,
+		PTC3_DATA, PTC2_DATA, PTC1_DATA, PTC0_DATA }
+	},
+	{ PINMUX_DATA_REG("PDDR", 0xa4050126, 8) {
+		PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+		PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA }
+	},
+	{ PINMUX_DATA_REG("PEDR", 0xa4050128, 8) {
+		0, 0, PTE5_DATA, PTE4_DATA,
+		PTE3_DATA, PTE2_DATA, PTE1_DATA, PTE0_DATA }
+	},
+	{ PINMUX_DATA_REG("PFDR", 0xa405012a, 8) {
+		PTF7_DATA, PTF6_DATA, PTF5_DATA, PTF4_DATA,
+		PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA }
+	},
+	{ PINMUX_DATA_REG("PGDR", 0xa405012c, 8) {
+		0, 0, PTG5_DATA, PTG4_DATA,
+		PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA }
+	},
+	{ PINMUX_DATA_REG("PHDR", 0xa405012e, 8) {
+		PTH7_DATA, PTH6_DATA, PTH5_DATA, PTH4_DATA,
+		PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA }
+	},
+	{ PINMUX_DATA_REG("PJDR", 0xa4050130, 8) {
+		PTJ7_DATA, 0, PTJ5_DATA, 0,
+		PTJ3_DATA, PTJ2_DATA, PTJ1_DATA, PTJ0_DATA }
+	},
+	{ PINMUX_DATA_REG("PKDR", 0xa4050132, 8) {
+		PTK7_DATA, PTK6_DATA, PTK5_DATA, PTK4_DATA,
+		PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA }
+	},
+	{ PINMUX_DATA_REG("PLDR", 0xa4050134, 8) {
+		PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA,
+		PTL3_DATA, PTL2_DATA, PTL1_DATA, PTL0_DATA }
+	},
+	{ PINMUX_DATA_REG("PMDR", 0xa4050136, 8) {
+		PTM7_DATA, PTM6_DATA, PTM5_DATA, PTM4_DATA,
+		PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA }
+	},
+	{ PINMUX_DATA_REG("PNDR", 0xa4050138, 8) {
+		PTN7_DATA, PTN6_DATA, PTN5_DATA, PTN4_DATA,
+		PTN3_DATA, PTN2_DATA, PTN1_DATA, PTN0_DATA }
+	},
+	{ PINMUX_DATA_REG("PQDR", 0xa405013a, 8) {
+		0, 0, 0, 0,
+		PTQ3_DATA, PTQ2_DATA, PTQ1_DATA, PTQ0_DATA }
+	},
+	{ PINMUX_DATA_REG("PRDR", 0xa405013c, 8) {
+		PTR7_DATA, PTR6_DATA, PTR5_DATA, PTR4_DATA,
+		PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA }
+	},
+	{ PINMUX_DATA_REG("PSDR", 0xa405013e, 8) {
+		PTS7_DATA, PTS6_DATA, PTS5_DATA, PTS4_DATA,
+		PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA }
+	},
+	{ PINMUX_DATA_REG("PTDR", 0xa4050160, 8) {
+		0, 0, PTT5_DATA, PTT4_DATA,
+		PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA }
+	},
+	{ PINMUX_DATA_REG("PUDR", 0xa4050162, 8) {
+		0, 0, PTU5_DATA, PTU4_DATA,
+		PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA }
+	},
+	{ PINMUX_DATA_REG("PVDR", 0xa4050164, 8) {
+		PTV7_DATA, PTV6_DATA, PTV5_DATA, PTV4_DATA,
+		PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA }
+	},
+	{ PINMUX_DATA_REG("PWDR", 0xa4050166, 8) {
+		PTW7_DATA, PTW6_DATA, PTW5_DATA, PTW4_DATA,
+		PTW3_DATA, PTW2_DATA, PTW1_DATA, PTW0_DATA }
+	},
+	{ PINMUX_DATA_REG("PXDR", 0xa4050168, 8) {
+		PTX7_DATA, PTX6_DATA, PTX5_DATA, PTX4_DATA,
+		PTX3_DATA, PTX2_DATA, PTX1_DATA, PTX0_DATA }
+	},
+	{ PINMUX_DATA_REG("PYDR", 0xa405016a, 8) {
+		PTY7_DATA, PTY6_DATA, PTY5_DATA, PTY4_DATA,
+		PTY3_DATA, PTY2_DATA, PTY1_DATA, PTY0_DATA }
+	},
+	{ PINMUX_DATA_REG("PZDR", 0xa405016c, 8) {
+		PTZ7_DATA, PTZ6_DATA, PTZ5_DATA, PTZ4_DATA,
+		PTZ3_DATA, PTZ2_DATA, PTZ1_DATA, PTZ0_DATA }
+	},
+	{ },
+};
+
+static struct pinmux_info sh7723_pinmux_info = {
+	.name = "sh7723_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PTA7,
+	.last_gpio = GPIO_FN_IDEA0,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+static int __init plat_pinmux_setup(void)
+{
+	return register_pinmux(&sh7723_pinmux_info);
+}
+
+arch_initcall(plat_pinmux_setup);
-- 
GitLab


From 16587c453b90b761c6b883f1d6cc06fe3d455eee Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:42:20 +0900
Subject: [PATCH 1296/2224] sh: Use sh7723 GPIO on AP325RXA board

This patch enables the GPIO code on AP325RXA and converts the code from
register based pinmux configuration to GPIO based pin by pin setup.
While at it 2 LEDs and one switch are added and exported to user space.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/Kconfig          |   1 +
 arch/sh/boards/board-ap325rxa.c | 100 +++++++++++++++++++++++---------
 2 files changed, 75 insertions(+), 26 deletions(-)

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 4e37f5c0215..2a059191efe 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -170,6 +170,7 @@ config SH_MIGOR
 config SH_AP325RXA
 	bool "AP-325RXA"
 	depends on CPU_SUBTYPE_SH7723
+	select GENERIC_GPIO
 	help
 	  Renesas "AP-325RXA" support.
 	  Compatible with ALGO SYSTEM CO.,LTD. "AP-320A"
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 7ae8dcddfeb..1e6daa36e5a 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -18,11 +18,13 @@
 #include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/smc911x.h>
+#include <linux/gpio.h>
 #include <media/soc_camera_platform.h>
 #include <media/sh_mobile_ceu.h>
 #include <video/sh_mobile_lcdc.h>
 #include <asm/io.h>
 #include <asm/clock.h>
+#include <asm/sh7723.h>
 
 static struct smc911x_platdata smc911x_info = {
 	.flags = SMC911X_USE_32BIT,
@@ -109,17 +111,7 @@ static struct platform_device ap325rxa_nor_flash_device = {
 #define FPGA_LCDREG	0xB4100180
 #define FPGA_BKLREG	0xB4100212
 #define FPGA_LCDREG_VAL	0x0018
-#define PORT_PHCR	0xA405010E
-#define PORT_PLCR	0xA4050114
-#define PORT_PMCR	0xA4050116
-#define PORT_PRCR	0xA405011C
-#define PORT_PSCR	0xA405011E
-#define PORT_PZCR	0xA405014C
-#define PORT_HIZCRA	0xA4050158
 #define PORT_MSELCRB	0xA4050182
-#define PORT_PSDR	0xA405013E
-#define PORT_PZDR	0xA405016C
-#define PORT_PSELD	0xA4050154
 
 static void ap320_wvga_power_on(void *board_data)
 {
@@ -129,8 +121,7 @@ static void ap320_wvga_power_on(void *board_data)
 	ctrl_outw(FPGA_LCDREG_VAL, FPGA_LCDREG);
 
 	/* backlight */
-	ctrl_outw((ctrl_inw(PORT_PSCR) & ~0x00C0) | 0x40, PORT_PSCR);
-	ctrl_outb(ctrl_inb(PORT_PSDR) & ~0x08, PORT_PSDR);
+	gpio_set_value(GPIO_PTS3, 0);
 	ctrl_outw(0x100, FPGA_BKLREG);
 }
 
@@ -298,8 +289,77 @@ static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
 
 static int __init ap325rxa_devices_setup(void)
 {
-	clk_always_enable("mstp200"); /* LCDC */
-	clk_always_enable("mstp203"); /* CEU */
+	/* LD3 and LD4 LEDs */
+	gpio_request(GPIO_PTX5, NULL); /* RUN */
+	gpio_direction_output(GPIO_PTX5, 1);
+	gpio_export(GPIO_PTX5, 0);
+
+	gpio_request(GPIO_PTX4, NULL); /* INDICATOR */
+	gpio_direction_output(GPIO_PTX4, 0);
+	gpio_export(GPIO_PTX4, 0);
+
+	/* SW1 input */
+	gpio_request(GPIO_PTF7, NULL); /* MODE */
+	gpio_direction_input(GPIO_PTF7);
+	gpio_export(GPIO_PTF7, 0);
+
+	/* LCDC */
+	clk_always_enable("mstp200");
+	gpio_request(GPIO_FN_LCDD15, NULL);
+	gpio_request(GPIO_FN_LCDD14, NULL);
+	gpio_request(GPIO_FN_LCDD13, NULL);
+	gpio_request(GPIO_FN_LCDD12, NULL);
+	gpio_request(GPIO_FN_LCDD11, NULL);
+	gpio_request(GPIO_FN_LCDD10, NULL);
+	gpio_request(GPIO_FN_LCDD9, NULL);
+	gpio_request(GPIO_FN_LCDD8, NULL);
+	gpio_request(GPIO_FN_LCDD7, NULL);
+	gpio_request(GPIO_FN_LCDD6, NULL);
+	gpio_request(GPIO_FN_LCDD5, NULL);
+	gpio_request(GPIO_FN_LCDD4, NULL);
+	gpio_request(GPIO_FN_LCDD3, NULL);
+	gpio_request(GPIO_FN_LCDD2, NULL);
+	gpio_request(GPIO_FN_LCDD1, NULL);
+	gpio_request(GPIO_FN_LCDD0, NULL);
+	gpio_request(GPIO_FN_LCDLCLK_PTR, NULL);
+	gpio_request(GPIO_FN_LCDDCK, NULL);
+	gpio_request(GPIO_FN_LCDVEPWC, NULL);
+	gpio_request(GPIO_FN_LCDVCPWC, NULL);
+	gpio_request(GPIO_FN_LCDVSYN, NULL);
+	gpio_request(GPIO_FN_LCDHSYN, NULL);
+	gpio_request(GPIO_FN_LCDDISP, NULL);
+	gpio_request(GPIO_FN_LCDDON, NULL);
+
+	/* LCD backlight */
+	gpio_request(GPIO_PTS3, NULL);
+	gpio_direction_output(GPIO_PTS3, 1);
+
+	/* CEU */
+	clk_always_enable("mstp203");
+	gpio_request(GPIO_FN_VIO_CLK2, NULL);
+	gpio_request(GPIO_FN_VIO_VD2, NULL);
+	gpio_request(GPIO_FN_VIO_HD2, NULL);
+	gpio_request(GPIO_FN_VIO_FLD, NULL);
+	gpio_request(GPIO_FN_VIO_CKO, NULL);
+	gpio_request(GPIO_FN_VIO_D15, NULL);
+	gpio_request(GPIO_FN_VIO_D14, NULL);
+	gpio_request(GPIO_FN_VIO_D13, NULL);
+	gpio_request(GPIO_FN_VIO_D12, NULL);
+	gpio_request(GPIO_FN_VIO_D11, NULL);
+	gpio_request(GPIO_FN_VIO_D10, NULL);
+	gpio_request(GPIO_FN_VIO_D9, NULL);
+	gpio_request(GPIO_FN_VIO_D8, NULL);
+
+	gpio_request(GPIO_PTZ7, NULL);
+	gpio_direction_output(GPIO_PTZ7, 0); /* OE_CAM */
+	gpio_request(GPIO_PTZ6, NULL);
+	gpio_direction_output(GPIO_PTZ6, 0); /* STBY_CAM */
+	gpio_request(GPIO_PTZ5, NULL);
+	gpio_direction_output(GPIO_PTZ5, 1); /* RST_CAM */
+	gpio_request(GPIO_PTZ4, NULL);
+	gpio_direction_output(GPIO_PTZ4, 0); /* SADDR */
+
+	ctrl_outw(ctrl_inw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB);
 
 	platform_resource_setup_memory(&ceu_device, "ceu", 4 << 20);
 
@@ -313,18 +373,6 @@ device_initcall(ap325rxa_devices_setup);
 
 static void __init ap325rxa_setup(char **cmdline_p)
 {
-	/* LCDC configuration */
-	ctrl_outw(ctrl_inw(PORT_PHCR) & ~0xffff, PORT_PHCR);
-	ctrl_outw(ctrl_inw(PORT_PLCR) & ~0xffff, PORT_PLCR);
-	ctrl_outw(ctrl_inw(PORT_PMCR) & ~0xffff, PORT_PMCR);
-	ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x03ff, PORT_PRCR);
-	ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01C0, PORT_HIZCRA);
-
-	/* CEU */
-	ctrl_outw(ctrl_inw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB);
-	ctrl_outw(ctrl_inw(PORT_PSELD) & ~0x0003, PORT_PSELD);
-	ctrl_outw((ctrl_inw(PORT_PZCR) & ~0xff00) | 0x5500, PORT_PZCR);
-	ctrl_outb((ctrl_inb(PORT_PZDR) & ~0xf0) | 0x20, PORT_PZDR);
 }
 
 static struct sh_machine_vector mv_ap325rxa __initmv = {
-- 
GitLab


From 41e4a9a5e2fc5a43b2b81aec402720226de29f05 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:42:29 +0900
Subject: [PATCH 1297/2224] sh: Add sh7203 pinmux code

This patch adds pinmux and gpio support for the sh7203 processor.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/sh7203.h            |  143 ++
 arch/sh/kernel/cpu/sh2a/Makefile        |    5 +
 arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c | 1599 +++++++++++++++++++++++
 3 files changed, 1747 insertions(+)
 create mode 100644 arch/sh/include/asm/sh7203.h
 create mode 100644 arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c

diff --git a/arch/sh/include/asm/sh7203.h b/arch/sh/include/asm/sh7203.h
new file mode 100644
index 00000000000..79f93159018
--- /dev/null
+++ b/arch/sh/include/asm/sh7203.h
@@ -0,0 +1,143 @@
+#ifndef __ASM_SH7203_H__
+#define __ASM_SH7203_H__
+
+enum {
+	/* PA */
+	GPIO_PA7, GPIO_PA6, GPIO_PA5, GPIO_PA4,
+	GPIO_PA3, GPIO_PA2, GPIO_PA1, GPIO_PA0,
+
+	/* PB */
+	GPIO_PB12,
+	GPIO_PB11, GPIO_PB10, GPIO_PB9, GPIO_PB8,
+	GPIO_PB7, GPIO_PB6, GPIO_PB5, GPIO_PB4,
+	GPIO_PB3, GPIO_PB2, GPIO_PB1, GPIO_PB0,
+
+	/* PC */
+	GPIO_PC14, GPIO_PC13, GPIO_PC12,
+	GPIO_PC11, GPIO_PC10, GPIO_PC9, GPIO_PC8,
+	GPIO_PC7, GPIO_PC6, GPIO_PC5, GPIO_PC4,
+	GPIO_PC3, GPIO_PC2, GPIO_PC1, GPIO_PC0,
+
+	/* PD */
+	GPIO_PD15, GPIO_PD14, GPIO_PD13, GPIO_PD12,
+	GPIO_PD11, GPIO_PD10, GPIO_PD9, GPIO_PD8,
+	GPIO_PD7, GPIO_PD6, GPIO_PD5, GPIO_PD4,
+	GPIO_PD3, GPIO_PD2, GPIO_PD1, GPIO_PD0,
+
+	/* PE */
+	GPIO_PE15, GPIO_PE14, GPIO_PE13, GPIO_PE12,
+	GPIO_PE11, GPIO_PE10, GPIO_PE9, GPIO_PE8,
+	GPIO_PE7, GPIO_PE6, GPIO_PE5, GPIO_PE4,
+	GPIO_PE3, GPIO_PE2, GPIO_PE1, GPIO_PE0,
+
+	/* PF */
+	GPIO_PF30, GPIO_PF29, GPIO_PF28,
+	GPIO_PF27, GPIO_PF26, GPIO_PF25, GPIO_PF24,
+	GPIO_PF23, GPIO_PF22, GPIO_PF21, GPIO_PF20,
+	GPIO_PF19, GPIO_PF18, GPIO_PF17, GPIO_PF16,
+	GPIO_PF15, GPIO_PF14, GPIO_PF13, GPIO_PF12,
+	GPIO_PF11, GPIO_PF10, GPIO_PF9, GPIO_PF8,
+	GPIO_PF7, GPIO_PF6, GPIO_PF5, GPIO_PF4,
+	GPIO_PF3, GPIO_PF2, GPIO_PF1, GPIO_PF0,
+
+	/* INTC: IRQ and PINT on PB/PD/PE */
+	GPIO_FN_PINT7_PB, GPIO_FN_PINT6_PB, GPIO_FN_PINT5_PB, GPIO_FN_PINT4_PB,
+	GPIO_FN_PINT3_PB, GPIO_FN_PINT2_PB, GPIO_FN_PINT1_PB, GPIO_FN_PINT0_PB,
+	GPIO_FN_PINT7_PD, GPIO_FN_PINT6_PD, GPIO_FN_PINT5_PD, GPIO_FN_PINT4_PD,
+	GPIO_FN_PINT3_PD, GPIO_FN_PINT2_PD, GPIO_FN_PINT1_PD, GPIO_FN_PINT0_PD,
+	GPIO_FN_IRQ7_PB, GPIO_FN_IRQ6_PB, GPIO_FN_IRQ5_PB, GPIO_FN_IRQ4_PB,
+	GPIO_FN_IRQ3_PB, GPIO_FN_IRQ2_PB, GPIO_FN_IRQ1_PB, GPIO_FN_IRQ0_PB,
+	GPIO_FN_IRQ7_PD, GPIO_FN_IRQ6_PD, GPIO_FN_IRQ5_PD, GPIO_FN_IRQ4_PD,
+	GPIO_FN_IRQ3_PD, GPIO_FN_IRQ2_PD, GPIO_FN_IRQ1_PD, GPIO_FN_IRQ0_PD,
+	GPIO_FN_IRQ7_PE, GPIO_FN_IRQ6_PE, GPIO_FN_IRQ5_PE, GPIO_FN_IRQ4_PE,
+	GPIO_FN_IRQ3_PE, GPIO_FN_IRQ2_PE, GPIO_FN_IRQ1_PE, GPIO_FN_IRQ0_PE,
+
+	GPIO_FN_WDTOVF, GPIO_FN_IRQOUT, GPIO_FN_REFOUT, GPIO_FN_IRQOUT_REFOUT,
+	GPIO_FN_UBCTRG,
+
+	/* CAN */
+	GPIO_FN_CTX1, GPIO_FN_CRX1, GPIO_FN_CTX0, GPIO_FN_CTX0_CTX1,
+	GPIO_FN_CRX0, GPIO_FN_CRX0_CRX1,
+
+	/* IIC3 */
+	GPIO_FN_SDA3, GPIO_FN_SCL3,
+	GPIO_FN_SDA2, GPIO_FN_SCL2,
+	GPIO_FN_SDA1, GPIO_FN_SCL1,
+	GPIO_FN_SDA0, GPIO_FN_SCL0,
+
+	/* DMAC */
+	GPIO_FN_TEND0_PD, GPIO_FN_TEND0_PE, GPIO_FN_DACK0_PD,
+	GPIO_FN_DACK0_PE, GPIO_FN_DREQ0_PD, GPIO_FN_DREQ0_PE,
+	GPIO_FN_TEND1_PD, GPIO_FN_TEND1_PE, GPIO_FN_DACK1_PD,
+	GPIO_FN_DACK1_PE, GPIO_FN_DREQ1_PD, GPIO_FN_DREQ1_PE,
+	GPIO_FN_DACK2, GPIO_FN_DREQ2,
+	GPIO_FN_DACK3, GPIO_FN_DREQ3,
+
+	/* ADC */
+	GPIO_FN_ADTRG_PD, GPIO_FN_ADTRG_PE,
+
+	/* BSC */
+	GPIO_FN_D31, GPIO_FN_D30, GPIO_FN_D29, GPIO_FN_D28,
+	GPIO_FN_D27, GPIO_FN_D26, GPIO_FN_D25, GPIO_FN_D24,
+	GPIO_FN_D23, GPIO_FN_D22, GPIO_FN_D21, GPIO_FN_D20,
+	GPIO_FN_D19, GPIO_FN_D18, GPIO_FN_D17, GPIO_FN_D16,
+	GPIO_FN_A25, GPIO_FN_A24, GPIO_FN_A23, GPIO_FN_A22,
+	GPIO_FN_A21, GPIO_FN_CS4, GPIO_FN_MRES, GPIO_FN_BS,
+	GPIO_FN_IOIS16, GPIO_FN_CS1, GPIO_FN_CS6_CE1B,
+	GPIO_FN_CE2B, GPIO_FN_CS5_CE1A, GPIO_FN_CE2A,
+	GPIO_FN_FRAME, GPIO_FN_WAIT, GPIO_FN_RDWR,
+	GPIO_FN_CKE, GPIO_FN_CASU, GPIO_FN_BREQ, GPIO_FN_RASU,
+	GPIO_FN_BACK, GPIO_FN_CASL, GPIO_FN_RASL,
+	GPIO_FN_WE3_DQMUU_AH_ICIO_WR, GPIO_FN_WE2_DQMUL_ICIORD,
+	GPIO_FN_WE1_DQMLU_WE, GPIO_FN_WE0_DQMLL,
+	GPIO_FN_CS3, GPIO_FN_CS2, GPIO_FN_A1, GPIO_FN_A0, GPIO_FN_CS7,
+
+	/* TMU */
+	GPIO_FN_TIOC4D, GPIO_FN_TIOC4C, GPIO_FN_TIOC4B, GPIO_FN_TIOC4A,
+	GPIO_FN_TIOC3D, GPIO_FN_TIOC3C, GPIO_FN_TIOC3B, GPIO_FN_TIOC3A,
+	GPIO_FN_TIOC2B, GPIO_FN_TIOC1B, GPIO_FN_TIOC2A, GPIO_FN_TIOC1A,
+	GPIO_FN_TIOC0D, GPIO_FN_TIOC0C, GPIO_FN_TIOC0B, GPIO_FN_TIOC0A,
+	GPIO_FN_TCLKD_PD, GPIO_FN_TCLKC_PD, GPIO_FN_TCLKB_PD, GPIO_FN_TCLKA_PD,
+	GPIO_FN_TCLKD_PF, GPIO_FN_TCLKC_PF, GPIO_FN_TCLKB_PF, GPIO_FN_TCLKA_PF,
+
+	/* SSU */
+	GPIO_FN_SCS0_PD, GPIO_FN_SSO0_PD, GPIO_FN_SSI0_PD, GPIO_FN_SSCK0_PD,
+	GPIO_FN_SCS0_PF, GPIO_FN_SSO0_PF, GPIO_FN_SSI0_PF, GPIO_FN_SSCK0_PF,
+	GPIO_FN_SCS1_PD, GPIO_FN_SSO1_PD, GPIO_FN_SSI1_PD, GPIO_FN_SSCK1_PD,
+	GPIO_FN_SCS1_PF, GPIO_FN_SSO1_PF, GPIO_FN_SSI1_PF, GPIO_FN_SSCK1_PF,
+
+	/* SCIF */
+	GPIO_FN_TXD0, GPIO_FN_RXD0, GPIO_FN_SCK0,
+	GPIO_FN_TXD1, GPIO_FN_RXD1, GPIO_FN_SCK1,
+	GPIO_FN_TXD2, GPIO_FN_RXD2, GPIO_FN_SCK2,
+	GPIO_FN_RTS3, GPIO_FN_CTS3, GPIO_FN_TXD3, GPIO_FN_RXD3, GPIO_FN_SCK3,
+
+	/* SSI */
+	GPIO_FN_AUDIO_CLK,
+	GPIO_FN_SSIDATA3, GPIO_FN_SSIWS3, GPIO_FN_SSISCK3,
+	GPIO_FN_SSIDATA2, GPIO_FN_SSIWS2, GPIO_FN_SSISCK2,
+	GPIO_FN_SSIDATA1, GPIO_FN_SSIWS1, GPIO_FN_SSISCK1,
+	GPIO_FN_SSIDATA0, GPIO_FN_SSIWS0, GPIO_FN_SSISCK0,
+
+	/* FLCTL */
+	GPIO_FN_FCE, GPIO_FN_FRB,
+	GPIO_FN_NAF7, GPIO_FN_NAF6, GPIO_FN_NAF5, GPIO_FN_NAF4,
+	GPIO_FN_NAF3, GPIO_FN_NAF2, GPIO_FN_NAF1, GPIO_FN_NAF0,
+	GPIO_FN_FSC, GPIO_FN_FOE, GPIO_FN_FCDE, GPIO_FN_FWE,
+
+	/* LCDC */
+	GPIO_FN_LCD_VEPWC, GPIO_FN_LCD_VCPWC,
+	GPIO_FN_LCD_CLK, GPIO_FN_LCD_FLM,
+	GPIO_FN_LCD_M_DISP, GPIO_FN_LCD_CL2,
+	GPIO_FN_LCD_CL1, GPIO_FN_LCD_DON,
+	GPIO_FN_LCD_DATA15, GPIO_FN_LCD_DATA14,
+	GPIO_FN_LCD_DATA13, GPIO_FN_LCD_DATA12,
+	GPIO_FN_LCD_DATA11, GPIO_FN_LCD_DATA10,
+	GPIO_FN_LCD_DATA9, GPIO_FN_LCD_DATA8,
+	GPIO_FN_LCD_DATA7, GPIO_FN_LCD_DATA6,
+	GPIO_FN_LCD_DATA5, GPIO_FN_LCD_DATA4,
+	GPIO_FN_LCD_DATA3, GPIO_FN_LCD_DATA2,
+	GPIO_FN_LCD_DATA1, GPIO_FN_LCD_DATA0,
+};
+
+#endif /* __ASM_SH7203_H__ */
diff --git a/arch/sh/kernel/cpu/sh2a/Makefile b/arch/sh/kernel/cpu/sh2a/Makefile
index 1ab1ecf4c76..428450cc080 100644
--- a/arch/sh/kernel/cpu/sh2a/Makefile
+++ b/arch/sh/kernel/cpu/sh2a/Makefile
@@ -12,3 +12,8 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7206)	+= setup-sh7206.o clock-sh7206.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7203)	+= setup-sh7203.o clock-sh7203.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7263)	+= setup-sh7203.o clock-sh7203.o
 obj-$(CONFIG_CPU_SUBTYPE_MXG)		+= setup-mxg.o clock-sh7206.o
+
+# Pinmux setup
+pinmux-$(CONFIG_CPU_SUBTYPE_SH7203)	:= pinmux-sh7203.o
+
+obj-$(CONFIG_GENERIC_GPIO)	+= $(pinmux-y)
diff --git a/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
new file mode 100644
index 00000000000..39a5b880418
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
@@ -0,0 +1,1599 @@
+/*
+ * SH7203 Pinmux
+ *
+ *  Copyright (C) 2008  Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <asm/sh7203.h>
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	PINMUX_DATA_BEGIN,
+	PA7_DATA, PA6_DATA, PA5_DATA, PA4_DATA,
+	PA3_DATA, PA2_DATA, PA1_DATA, PA0_DATA,
+	PB12_DATA,
+	PB11_DATA, PB10_DATA, PB9_DATA, PB8_DATA,
+	PB7_DATA, PB6_DATA, PB5_DATA, PB4_DATA,
+	PB3_DATA, PB2_DATA, PB1_DATA, PB0_DATA,
+	PC14_DATA, PC13_DATA, PC12_DATA,
+	PC11_DATA, PC10_DATA, PC9_DATA, PC8_DATA,
+	PC7_DATA, PC6_DATA, PC5_DATA, PC4_DATA,
+	PC3_DATA, PC2_DATA, PC1_DATA, PC0_DATA,
+	PD15_DATA, PD14_DATA, PD13_DATA, PD12_DATA,
+	PD11_DATA, PD10_DATA, PD9_DATA, PD8_DATA,
+	PD7_DATA, PD6_DATA, PD5_DATA, PD4_DATA,
+	PD3_DATA, PD2_DATA, PD1_DATA, PD0_DATA,
+	PE15_DATA, PE14_DATA, PE13_DATA, PE12_DATA,
+	PE11_DATA, PE10_DATA, PE9_DATA, PE8_DATA,
+	PE7_DATA, PE6_DATA, PE5_DATA, PE4_DATA,
+	PE3_DATA, PE2_DATA, PE1_DATA, PE0_DATA,
+	PF30_DATA, PF29_DATA, PF28_DATA,
+	PF27_DATA, PF26_DATA, PF25_DATA, PF24_DATA,
+	PF23_DATA, PF22_DATA, PF21_DATA, PF20_DATA,
+	PF19_DATA, PF18_DATA, PF17_DATA, PF16_DATA,
+	PF15_DATA, PF14_DATA, PF13_DATA, PF12_DATA,
+	PF11_DATA, PF10_DATA, PF9_DATA, PF8_DATA,
+	PF7_DATA, PF6_DATA, PF5_DATA, PF4_DATA,
+	PF3_DATA, PF2_DATA, PF1_DATA, PF0_DATA,
+	PINMUX_DATA_END,
+
+	PINMUX_INPUT_BEGIN,
+	PA7_IN, PA6_IN, PA5_IN, PA4_IN,
+	PA3_IN, PA2_IN, PA1_IN, PA0_IN,
+	PB11_IN, PB10_IN, PB9_IN, PB8_IN,
+	PB7_IN, PB6_IN, PB5_IN, PB4_IN,
+	PB3_IN, PB2_IN, PB1_IN, PB0_IN,
+	PC14_IN, PC13_IN, PC12_IN,
+	PC11_IN, PC10_IN, PC9_IN, PC8_IN,
+	PC7_IN, PC6_IN, PC5_IN, PC4_IN,
+	PC3_IN, PC2_IN, PC1_IN, PC0_IN,
+	PD15_IN, PD14_IN, PD13_IN, PD12_IN,
+	PD11_IN, PD10_IN, PD9_IN, PD8_IN,
+	PD7_IN, PD6_IN, PD5_IN, PD4_IN,
+	PD3_IN, PD2_IN, PD1_IN, PD0_IN,
+	PE15_IN, PE14_IN, PE13_IN, PE12_IN,
+	PE11_IN, PE10_IN, PE9_IN, PE8_IN,
+	PE7_IN, PE6_IN, PE5_IN, PE4_IN,
+	PE3_IN, PE2_IN, PE1_IN, PE0_IN,
+	PF30_IN, PF29_IN, PF28_IN,
+	PF27_IN, PF26_IN, PF25_IN, PF24_IN,
+	PF23_IN, PF22_IN, PF21_IN, PF20_IN,
+	PF19_IN, PF18_IN, PF17_IN, PF16_IN,
+	PF15_IN, PF14_IN, PF13_IN, PF12_IN,
+	PF11_IN, PF10_IN, PF9_IN, PF8_IN,
+	PF7_IN, PF6_IN, PF5_IN, PF4_IN,
+	PF3_IN, PF2_IN, PF1_IN, PF0_IN,
+	PINMUX_INPUT_END,
+
+	PINMUX_OUTPUT_BEGIN,
+	PB12_OUT,
+	PB11_OUT, PB10_OUT, PB9_OUT, PB8_OUT,
+	PC14_OUT, PC13_OUT, PC12_OUT,
+	PC11_OUT, PC10_OUT, PC9_OUT, PC8_OUT,
+	PC7_OUT, PC6_OUT, PC5_OUT, PC4_OUT,
+	PC3_OUT, PC2_OUT, PC1_OUT, PC0_OUT,
+	PD15_OUT, PD14_OUT, PD13_OUT, PD12_OUT,
+	PD11_OUT, PD10_OUT, PD9_OUT, PD8_OUT,
+	PD7_OUT, PD6_OUT, PD5_OUT, PD4_OUT,
+	PD3_OUT, PD2_OUT, PD1_OUT, PD0_OUT,
+	PE15_OUT, PE14_OUT, PE13_OUT, PE12_OUT,
+	PE11_OUT, PE10_OUT, PE9_OUT, PE8_OUT,
+	PE7_OUT, PE6_OUT, PE5_OUT, PE4_OUT,
+	PE3_OUT, PE2_OUT, PE1_OUT, PE0_OUT,
+	PF30_OUT, PF29_OUT, PF28_OUT,
+	PF27_OUT, PF26_OUT, PF25_OUT, PF24_OUT,
+	PF23_OUT, PF22_OUT, PF21_OUT, PF20_OUT,
+	PF19_OUT, PF18_OUT, PF17_OUT, PF16_OUT,
+	PF15_OUT, PF14_OUT, PF13_OUT, PF12_OUT,
+	PF11_OUT, PF10_OUT, PF9_OUT, PF8_OUT,
+	PF7_OUT, PF6_OUT, PF5_OUT, PF4_OUT,
+	PF3_OUT, PF2_OUT, PF1_OUT, PF0_OUT,
+	PINMUX_OUTPUT_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	PB11_IOR_IN, PB11_IOR_OUT,
+	PB10_IOR_IN, PB10_IOR_OUT,
+	PB9_IOR_IN, PB9_IOR_OUT,
+	PB8_IOR_IN, PB8_IOR_OUT,
+	PB12MD_00, PB12MD_01, PB12MD_10, PB12MD_11,
+	PB11MD_0, PB11MD_1,
+	PB10MD_0, PB10MD_1,
+	PB9MD_00, PB9MD_01, PB9MD_10,
+	PB8MD_00, PB8MD_01, PB8MD_10,
+	PB7MD_00, PB7MD_01, PB7MD_10, PB7MD_11,
+	PB6MD_00, PB6MD_01, PB6MD_10, PB6MD_11,
+	PB5MD_00, PB5MD_01, PB5MD_10, PB5MD_11,
+	PB4MD_00, PB4MD_01, PB4MD_10, PB4MD_11,
+	PB3MD_00, PB3MD_01, PB3MD_10, PB3MD_11,
+	PB2MD_00, PB2MD_01, PB2MD_10, PB2MD_11,
+	PB1MD_00, PB1MD_01, PB1MD_10, PB1MD_11,
+	PB0MD_00, PB0MD_01, PB0MD_10, PB0MD_11,
+
+	PB12IRQ_00, PB12IRQ_01, PB12IRQ_10,
+
+	PC14MD_0, PC14MD_1,
+	PC13MD_0, PC13MD_1,
+	PC12MD_0, PC12MD_1,
+	PC11MD_00, PC11MD_01, PC11MD_10,
+	PC10MD_00, PC10MD_01, PC10MD_10,
+	PC9MD_0, PC9MD_1,
+	PC8MD_0, PC8MD_1,
+	PC7MD_0, PC7MD_1,
+	PC6MD_0, PC6MD_1,
+	PC5MD_0, PC5MD_1,
+	PC4MD_0, PC4MD_1,
+	PC3MD_0, PC3MD_1,
+	PC2MD_0, PC2MD_1,
+	PC1MD_0, PC1MD_1,
+	PC0MD_00, PC0MD_01, PC0MD_10,
+
+	PD15MD_000, PD15MD_001, PD15MD_010, PD15MD_100, PD15MD_101,
+	PD14MD_000, PD14MD_001, PD14MD_010, PD14MD_101,
+	PD13MD_000, PD13MD_001, PD13MD_010, PD13MD_100, PD13MD_101,
+	PD12MD_000, PD12MD_001, PD12MD_010, PD12MD_100, PD12MD_101,
+	PD11MD_000, PD11MD_001, PD11MD_010, PD11MD_100, PD11MD_101,
+	PD10MD_000, PD10MD_001, PD10MD_010, PD10MD_100, PD10MD_101,
+	PD9MD_000, PD9MD_001, PD9MD_010, PD9MD_100, PD9MD_101,
+	PD8MD_000, PD8MD_001, PD8MD_010, PD8MD_100, PD8MD_101,
+	PD7MD_000, PD7MD_001, PD7MD_010, PD7MD_011, PD7MD_100, PD7MD_101,
+	PD6MD_000, PD6MD_001, PD6MD_010, PD6MD_011, PD6MD_100, PD6MD_101,
+	PD5MD_000, PD5MD_001, PD5MD_010, PD5MD_011, PD5MD_100, PD5MD_101,
+	PD4MD_000, PD4MD_001, PD4MD_010, PD4MD_011, PD4MD_100, PD4MD_101,
+	PD3MD_000, PD3MD_001, PD3MD_010, PD3MD_011, PD3MD_100, PD3MD_101,
+	PD2MD_000, PD2MD_001, PD2MD_010, PD2MD_011, PD2MD_100, PD2MD_101,
+	PD1MD_000, PD1MD_001, PD1MD_010, PD1MD_011, PD1MD_100, PD1MD_101,
+	PD0MD_000, PD0MD_001, PD0MD_010, PD0MD_011, PD0MD_100, PD0MD_101,
+
+	PE15MD_00, PE15MD_01, PE15MD_11,
+	PE14MD_00, PE14MD_01, PE14MD_11,
+	PE13MD_00, PE13MD_11,
+	PE12MD_00, PE12MD_11,
+	PE11MD_000, PE11MD_001, PE11MD_010, PE11MD_100,
+	PE10MD_000, PE10MD_001, PE10MD_010, PE10MD_100,
+	PE9MD_00, PE9MD_01, PE9MD_10, PE9MD_11,
+	PE8MD_00, PE8MD_01, PE8MD_10, PE8MD_11,
+	PE7MD_000, PE7MD_001, PE7MD_010, PE7MD_011, PE7MD_100,
+	PE6MD_000, PE6MD_001, PE6MD_010, PE6MD_011, PE6MD_100,
+	PE5MD_000, PE5MD_001, PE5MD_010, PE5MD_011, PE5MD_100,
+	PE4MD_000, PE4MD_001, PE4MD_010, PE4MD_011, PE4MD_100,
+	PE3MD_00, PE3MD_01, PE3MD_11,
+	PE2MD_00, PE2MD_01, PE2MD_11,
+	PE1MD_00, PE1MD_01, PE1MD_10, PE1MD_11,
+	PE0MD_000, PE0MD_001, PE0MD_011, PE0MD_100,
+
+	PF30MD_0, PF30MD_1,
+	PF29MD_0, PF29MD_1,
+	PF28MD_0, PF28MD_1,
+	PF27MD_0, PF27MD_1,
+	PF26MD_0, PF26MD_1,
+	PF25MD_0, PF25MD_1,
+	PF24MD_0, PF24MD_1,
+	PF23MD_00, PF23MD_01, PF23MD_10,
+	PF22MD_00, PF22MD_01, PF22MD_10,
+	PF21MD_00, PF21MD_01, PF21MD_10,
+	PF20MD_00, PF20MD_01, PF20MD_10,
+	PF19MD_00, PF19MD_01, PF19MD_10,
+	PF18MD_00, PF18MD_01, PF18MD_10,
+	PF17MD_00, PF17MD_01, PF17MD_10,
+	PF16MD_00, PF16MD_01, PF16MD_10,
+	PF15MD_00, PF15MD_01, PF15MD_10,
+	PF14MD_00, PF14MD_01, PF14MD_10,
+	PF13MD_00, PF13MD_01, PF13MD_10,
+	PF12MD_00, PF12MD_01, PF12MD_10,
+	PF11MD_00, PF11MD_01, PF11MD_10,
+	PF10MD_00, PF10MD_01, PF10MD_10,
+	PF9MD_00, PF9MD_01, PF9MD_10,
+	PF8MD_00, PF8MD_01, PF8MD_10,
+	PF7MD_00, PF7MD_01, PF7MD_10, PF7MD_11,
+	PF6MD_00, PF6MD_01, PF6MD_10, PF6MD_11,
+	PF5MD_00, PF5MD_01, PF5MD_10, PF5MD_11,
+	PF4MD_00, PF4MD_01, PF4MD_10, PF4MD_11,
+	PF3MD_00, PF3MD_01, PF3MD_10, PF3MD_11,
+	PF2MD_00, PF2MD_01, PF2MD_10, PF2MD_11,
+	PF1MD_00, PF1MD_01, PF1MD_10, PF1MD_11,
+	PF0MD_00, PF0MD_01, PF0MD_10, PF0MD_11,
+	PINMUX_FUNCTION_END,
+
+	PINMUX_MARK_BEGIN,
+	PINT7_PB_MARK, PINT6_PB_MARK, PINT5_PB_MARK, PINT4_PB_MARK,
+	PINT3_PB_MARK, PINT2_PB_MARK, PINT1_PB_MARK, PINT0_PB_MARK,
+	PINT7_PD_MARK, PINT6_PD_MARK, PINT5_PD_MARK, PINT4_PD_MARK,
+	PINT3_PD_MARK, PINT2_PD_MARK, PINT1_PD_MARK, PINT0_PD_MARK,
+	IRQ7_PB_MARK, IRQ6_PB_MARK, IRQ5_PB_MARK, IRQ4_PB_MARK,
+	IRQ3_PB_MARK, IRQ2_PB_MARK, IRQ1_PB_MARK, IRQ0_PB_MARK,
+	IRQ7_PD_MARK, IRQ6_PD_MARK, IRQ5_PD_MARK, IRQ4_PD_MARK,
+	IRQ3_PD_MARK, IRQ2_PD_MARK, IRQ1_PD_MARK, IRQ0_PD_MARK,
+	IRQ7_PE_MARK, IRQ6_PE_MARK, IRQ5_PE_MARK, IRQ4_PE_MARK,
+	IRQ3_PE_MARK, IRQ2_PE_MARK, IRQ1_PE_MARK, IRQ0_PE_MARK,
+	WDTOVF_MARK, IRQOUT_MARK, REFOUT_MARK, IRQOUT_REFOUT_MARK,
+	UBCTRG_MARK,
+	CTX1_MARK, CRX1_MARK, CTX0_MARK, CTX0_CTX1_MARK,
+	CRX0_MARK, CRX0_CRX1_MARK,
+	SDA3_MARK, SCL3_MARK,
+	SDA2_MARK, SCL2_MARK,
+	SDA1_MARK, SCL1_MARK,
+	SDA0_MARK, SCL0_MARK,
+	TEND0_PD_MARK, TEND0_PE_MARK, DACK0_PD_MARK, DACK0_PE_MARK,
+	DREQ0_PD_MARK, DREQ0_PE_MARK, TEND1_PD_MARK, TEND1_PE_MARK,
+	DACK1_PD_MARK, DACK1_PE_MARK, DREQ1_PD_MARK, DREQ1_PE_MARK,
+	DACK2_MARK, DREQ2_MARK, DACK3_MARK, DREQ3_MARK,
+	ADTRG_PD_MARK, ADTRG_PE_MARK,
+	D31_MARK, D30_MARK, D29_MARK, D28_MARK,
+	D27_MARK, D26_MARK, D25_MARK, D24_MARK,
+	D23_MARK, D22_MARK, D21_MARK, D20_MARK,
+	D19_MARK, D18_MARK, D17_MARK, D16_MARK,
+	A25_MARK, A24_MARK, A23_MARK, A22_MARK,
+	A21_MARK, CS4_MARK, MRES_MARK, BS_MARK,
+	IOIS16_MARK, CS1_MARK, CS6_CE1B_MARK, CE2B_MARK,
+	CS5_CE1A_MARK, CE2A_MARK, FRAME_MARK, WAIT_MARK,
+	RDWR_MARK, CKE_MARK, CASU_MARK,	BREQ_MARK,
+	RASU_MARK, BACK_MARK, CASL_MARK, RASL_MARK,
+	WE3_DQMUU_AH_ICIO_WR_MARK, WE2_DQMUL_ICIORD_MARK,
+	WE1_DQMLU_WE_MARK, WE0_DQMLL_MARK,
+	CS3_MARK, CS2_MARK, A1_MARK, A0_MARK, CS7_MARK,
+	TIOC4D_MARK, TIOC4C_MARK, TIOC4B_MARK, TIOC4A_MARK,
+	TIOC3D_MARK, TIOC3C_MARK, TIOC3B_MARK, TIOC3A_MARK,
+	TIOC2B_MARK, TIOC1B_MARK, TIOC2A_MARK, TIOC1A_MARK,
+	TIOC0D_MARK, TIOC0C_MARK, TIOC0B_MARK, TIOC0A_MARK,
+	TCLKD_PD_MARK, TCLKC_PD_MARK, TCLKB_PD_MARK, TCLKA_PD_MARK,
+	TCLKD_PF_MARK, TCLKC_PF_MARK, TCLKB_PF_MARK, TCLKA_PF_MARK,
+	SCS0_PD_MARK, SSO0_PD_MARK, SSI0_PD_MARK, SSCK0_PD_MARK,
+	SCS0_PF_MARK, SSO0_PF_MARK, SSI0_PF_MARK, SSCK0_PF_MARK,
+	SCS1_PD_MARK, SSO1_PD_MARK, SSI1_PD_MARK, SSCK1_PD_MARK,
+	SCS1_PF_MARK, SSO1_PF_MARK, SSI1_PF_MARK, SSCK1_PF_MARK,
+	TXD0_MARK, RXD0_MARK, SCK0_MARK,
+	TXD1_MARK, RXD1_MARK, SCK1_MARK,
+	TXD2_MARK, RXD2_MARK, SCK2_MARK,
+	RTS3_MARK, CTS3_MARK, TXD3_MARK,
+	RXD3_MARK, SCK3_MARK,
+	AUDIO_CLK_MARK,
+	SSIDATA3_MARK, SSIWS3_MARK, SSISCK3_MARK,
+	SSIDATA2_MARK, SSIWS2_MARK, SSISCK2_MARK,
+	SSIDATA1_MARK, SSIWS1_MARK, SSISCK1_MARK,
+	SSIDATA0_MARK, SSIWS0_MARK, SSISCK0_MARK,
+	FCE_MARK, FRB_MARK,
+	NAF7_MARK, NAF6_MARK, NAF5_MARK, NAF4_MARK,
+	NAF3_MARK, NAF2_MARK, NAF1_MARK, NAF0_MARK,
+	FSC_MARK, FOE_MARK, FCDE_MARK, FWE_MARK,
+	LCD_VEPWC_MARK, LCD_VCPWC_MARK,	LCD_CLK_MARK, LCD_FLM_MARK,
+	LCD_M_DISP_MARK, LCD_CL2_MARK, LCD_CL1_MARK, LCD_DON_MARK,
+	LCD_DATA15_MARK, LCD_DATA14_MARK, LCD_DATA13_MARK, LCD_DATA12_MARK,
+	LCD_DATA11_MARK, LCD_DATA10_MARK, LCD_DATA9_MARK, LCD_DATA8_MARK,
+	LCD_DATA7_MARK, LCD_DATA6_MARK, LCD_DATA5_MARK, LCD_DATA4_MARK,
+	LCD_DATA3_MARK, LCD_DATA2_MARK, LCD_DATA1_MARK, LCD_DATA0_MARK,
+	PINMUX_MARK_END,
+};
+
+static pinmux_enum_t pinmux_data[] = {
+
+	/* PA */
+	PINMUX_DATA(PA7_DATA, PA7_IN),
+	PINMUX_DATA(PA6_DATA, PA6_IN),
+	PINMUX_DATA(PA5_DATA, PA5_IN),
+	PINMUX_DATA(PA4_DATA, PA4_IN),
+	PINMUX_DATA(PA3_DATA, PA3_IN),
+	PINMUX_DATA(PA2_DATA, PA2_IN),
+	PINMUX_DATA(PA1_DATA, PA1_IN),
+	PINMUX_DATA(PA0_DATA, PA0_IN),
+
+	/* PB */
+	PINMUX_DATA(PB12_DATA, PB12MD_00, PB12_OUT),
+	PINMUX_DATA(WDTOVF_MARK, PB12MD_01),
+	PINMUX_DATA(IRQOUT_MARK, PB12MD_10, PB12IRQ_00),
+	PINMUX_DATA(REFOUT_MARK, PB12MD_10, PB12IRQ_01),
+	PINMUX_DATA(IRQOUT_REFOUT_MARK, PB12MD_10, PB12IRQ_10),
+	PINMUX_DATA(UBCTRG_MARK, PB12MD_11),
+
+	PINMUX_DATA(PB11_DATA, PB11MD_0, PB11_IN, PB11_OUT),
+	PINMUX_DATA(CTX1_MARK, PB11MD_1),
+
+	PINMUX_DATA(PB10_DATA, PB10MD_0, PB10_IN, PB10_OUT),
+	PINMUX_DATA(CRX1_MARK, PB10MD_1),
+
+	PINMUX_DATA(PB9_DATA, PB9MD_00, PB9_IN, PB9_OUT),
+	PINMUX_DATA(CTX0_MARK, PB9MD_01),
+	PINMUX_DATA(CTX0_CTX1_MARK, PB9MD_10),
+
+	PINMUX_DATA(PB8_DATA, PB8MD_00, PB8_IN, PB8_OUT),
+	PINMUX_DATA(CRX0_MARK, PB8MD_01),
+	PINMUX_DATA(CRX0_CRX1_MARK, PB8MD_10),
+
+	PINMUX_DATA(PB7_DATA, PB7MD_00, PB7_IN),
+	PINMUX_DATA(SDA3_MARK, PB7MD_01),
+	PINMUX_DATA(PINT7_PB_MARK, PB7MD_10),
+	PINMUX_DATA(IRQ7_PB_MARK, PB7MD_11),
+
+	PINMUX_DATA(PB6_DATA, PB6MD_00, PB6_IN),
+	PINMUX_DATA(SCL3_MARK, PB6MD_01),
+	PINMUX_DATA(PINT6_PB_MARK, PB6MD_10),
+	PINMUX_DATA(IRQ6_PB_MARK, PB6MD_11),
+
+	PINMUX_DATA(PB5_DATA, PB5MD_00, PB5_IN),
+	PINMUX_DATA(SDA2_MARK, PB6MD_01),
+	PINMUX_DATA(PINT5_PB_MARK, PB6MD_10),
+	PINMUX_DATA(IRQ5_PB_MARK, PB6MD_11),
+
+	PINMUX_DATA(PB4_DATA, PB4MD_00, PB4_IN),
+	PINMUX_DATA(SCL2_MARK, PB4MD_01),
+	PINMUX_DATA(PINT4_PB_MARK, PB4MD_10),
+	PINMUX_DATA(IRQ4_PB_MARK, PB4MD_11),
+
+	PINMUX_DATA(PB3_DATA, PB3MD_00, PB3_IN),
+	PINMUX_DATA(SDA1_MARK, PB3MD_01),
+	PINMUX_DATA(PINT3_PB_MARK, PB3MD_10),
+	PINMUX_DATA(IRQ3_PB_MARK, PB3MD_11),
+
+	PINMUX_DATA(PB2_DATA, PB2MD_00, PB2_IN),
+	PINMUX_DATA(SCL1_MARK, PB2MD_01),
+	PINMUX_DATA(PINT2_PB_MARK, PB2MD_10),
+	PINMUX_DATA(IRQ2_PB_MARK, PB2MD_11),
+
+	PINMUX_DATA(PB1_DATA, PB1MD_00, PB1_IN),
+	PINMUX_DATA(SDA0_MARK, PB1MD_01),
+	PINMUX_DATA(PINT1_PB_MARK, PB1MD_10),
+	PINMUX_DATA(IRQ1_PB_MARK, PB1MD_11),
+
+	PINMUX_DATA(PB0_DATA, PB0MD_00, PB0_IN),
+	PINMUX_DATA(SCL0_MARK, PB0MD_01),
+	PINMUX_DATA(PINT0_PB_MARK, PB0MD_10),
+	PINMUX_DATA(IRQ0_PB_MARK, PB0MD_11),
+
+	/* PC */
+	PINMUX_DATA(PC14_DATA, PC14MD_0, PC14_IN, PC14_OUT),
+	PINMUX_DATA(WAIT_MARK, PC14MD_1),
+
+	PINMUX_DATA(PC13_DATA, PC13MD_0, PC13_IN, PC13_OUT),
+	PINMUX_DATA(RDWR_MARK, PC13MD_1),
+
+	PINMUX_DATA(PC12_DATA, PC12MD_0, PC12_IN, PC12_OUT),
+	PINMUX_DATA(CKE_MARK, PC12MD_1),
+
+	PINMUX_DATA(PC11_DATA, PC11MD_00, PC11_IN, PC11_OUT),
+	PINMUX_DATA(CASU_MARK, PC11MD_01),
+	PINMUX_DATA(BREQ_MARK, PC11MD_10),
+
+	PINMUX_DATA(PC10_DATA, PC10MD_00, PC10_IN, PC10_OUT),
+	PINMUX_DATA(RASU_MARK, PC10MD_01),
+	PINMUX_DATA(BACK_MARK, PC10MD_10),
+
+	PINMUX_DATA(PC9_DATA, PC9MD_0, PC9_IN, PC9_OUT),
+	PINMUX_DATA(CASL_MARK, PC9MD_1),
+
+	PINMUX_DATA(PC8_DATA, PC8MD_0, PC8_IN, PC8_OUT),
+	PINMUX_DATA(RASL_MARK, PC8MD_1),
+
+	PINMUX_DATA(PC7_DATA, PC7MD_0, PC7_IN, PC7_OUT),
+	PINMUX_DATA(WE3_DQMUU_AH_ICIO_WR_MARK, PC7MD_1),
+
+	PINMUX_DATA(PC6_DATA, PC6MD_0, PC6_IN, PC6_OUT),
+	PINMUX_DATA(WE2_DQMUL_ICIORD_MARK, PC6MD_1),
+
+	PINMUX_DATA(PC5_DATA, PC5MD_0, PC5_IN, PC5_OUT),
+	PINMUX_DATA(WE1_DQMLU_WE_MARK, PC5MD_1),
+
+	PINMUX_DATA(PC4_DATA, PC4MD_0, PC4_IN, PC4_OUT),
+	PINMUX_DATA(WE0_DQMLL_MARK, PC4MD_1),
+
+	PINMUX_DATA(PC3_DATA, PC3MD_0, PC3_IN, PC3_OUT),
+	PINMUX_DATA(CS3_MARK, PC3MD_1),
+
+	PINMUX_DATA(PC2_DATA, PC2MD_0, PC2_IN, PC2_OUT),
+	PINMUX_DATA(CS2_MARK, PC2MD_1),
+
+	PINMUX_DATA(PC1_DATA, PC1MD_0, PC1_IN, PC1_OUT),
+	PINMUX_DATA(A1_MARK, PC1MD_1),
+
+	PINMUX_DATA(PC0_DATA, PC0MD_00, PC0_IN, PC0_OUT),
+	PINMUX_DATA(A0_MARK, PC0MD_01),
+	PINMUX_DATA(CS7_MARK, PC0MD_10),
+
+	/* PD */
+	PINMUX_DATA(PD15_DATA, PD15MD_000, PD15_IN, PD15_OUT),
+	PINMUX_DATA(D31_MARK, PD15MD_001),
+	PINMUX_DATA(PINT7_PD_MARK, PD15MD_010),
+	PINMUX_DATA(ADTRG_PD_MARK, PD15MD_100),
+	PINMUX_DATA(TIOC4D_MARK, PD15MD_101),
+
+	PINMUX_DATA(PD14_DATA, PD14MD_000, PD14_IN, PD14_OUT),
+	PINMUX_DATA(D30_MARK, PD14MD_001),
+	PINMUX_DATA(PINT6_PD_MARK, PD14MD_010),
+	PINMUX_DATA(TIOC4C_MARK, PD14MD_101),
+
+	PINMUX_DATA(PD13_DATA, PD13MD_000, PD13_IN, PD13_OUT),
+	PINMUX_DATA(D29_MARK, PD13MD_001),
+	PINMUX_DATA(PINT5_PD_MARK, PD13MD_010),
+	PINMUX_DATA(TEND1_PD_MARK, PD13MD_100),
+	PINMUX_DATA(TIOC4B_MARK, PD13MD_101),
+
+	PINMUX_DATA(PD12_DATA, PD12MD_000, PD12_IN, PD12_OUT),
+	PINMUX_DATA(D28_MARK, PD12MD_001),
+	PINMUX_DATA(PINT4_PD_MARK, PD12MD_010),
+	PINMUX_DATA(DACK1_PD_MARK, PD12MD_100),
+	PINMUX_DATA(TIOC4A_MARK, PD12MD_101),
+
+	PINMUX_DATA(PD11_DATA, PD11MD_000, PD11_IN, PD11_OUT),
+	PINMUX_DATA(D27_MARK, PD11MD_001),
+	PINMUX_DATA(PINT3_PD_MARK, PD11MD_010),
+	PINMUX_DATA(DREQ1_PD_MARK, PD11MD_100),
+	PINMUX_DATA(TIOC3D_MARK, PD11MD_101),
+
+	PINMUX_DATA(PD10_DATA, PD10MD_000, PD10_IN, PD10_OUT),
+	PINMUX_DATA(D26_MARK, PD10MD_001),
+	PINMUX_DATA(PINT2_PD_MARK, PD10MD_010),
+	PINMUX_DATA(TEND0_PD_MARK, PD10MD_100),
+	PINMUX_DATA(TIOC3C_MARK, PD10MD_101),
+
+	PINMUX_DATA(PD9_DATA, PD9MD_000, PD9_IN, PD9_OUT),
+	PINMUX_DATA(D25_MARK, PD9MD_001),
+	PINMUX_DATA(PINT1_PD_MARK, PD9MD_010),
+	PINMUX_DATA(DACK0_PD_MARK, PD9MD_100),
+	PINMUX_DATA(TIOC3B_MARK, PD9MD_101),
+
+	PINMUX_DATA(PD8_DATA, PD8MD_000, PD8_IN, PD8_OUT),
+	PINMUX_DATA(D24_MARK, PD8MD_001),
+	PINMUX_DATA(PINT0_PD_MARK, PD8MD_010),
+	PINMUX_DATA(DREQ0_PD_MARK, PD8MD_100),
+	PINMUX_DATA(TIOC3A_MARK, PD8MD_101),
+
+	PINMUX_DATA(PD7_DATA, PD7MD_000, PD7_IN, PD7_OUT),
+	PINMUX_DATA(D23_MARK, PD7MD_001),
+	PINMUX_DATA(IRQ7_PD_MARK, PD7MD_010),
+	PINMUX_DATA(SCS1_PD_MARK, PD7MD_011),
+	PINMUX_DATA(TCLKD_PD_MARK, PD7MD_100),
+	PINMUX_DATA(TIOC2B_MARK, PD7MD_101),
+
+	PINMUX_DATA(PD6_DATA, PD6MD_000, PD6_IN, PD6_OUT),
+	PINMUX_DATA(D22_MARK, PD6MD_001),
+	PINMUX_DATA(IRQ6_PD_MARK, PD6MD_010),
+	PINMUX_DATA(SSO1_PD_MARK, PD6MD_011),
+	PINMUX_DATA(TCLKC_PD_MARK, PD6MD_100),
+	PINMUX_DATA(TIOC2A_MARK, PD6MD_101),
+
+	PINMUX_DATA(PD5_DATA, PD5MD_000, PD5_IN, PD5_OUT),
+	PINMUX_DATA(D21_MARK, PD5MD_001),
+	PINMUX_DATA(IRQ5_PD_MARK, PD5MD_010),
+	PINMUX_DATA(SSI1_PD_MARK, PD5MD_011),
+	PINMUX_DATA(TCLKB_PD_MARK, PD5MD_100),
+	PINMUX_DATA(TIOC1B_MARK, PD5MD_101),
+
+	PINMUX_DATA(PD4_DATA, PD4MD_000, PD4_IN, PD4_OUT),
+	PINMUX_DATA(D20_MARK, PD4MD_001),
+	PINMUX_DATA(IRQ4_PD_MARK, PD4MD_010),
+	PINMUX_DATA(SSCK1_PD_MARK, PD4MD_011),
+	PINMUX_DATA(TCLKA_PD_MARK, PD4MD_100),
+	PINMUX_DATA(TIOC1A_MARK, PD4MD_101),
+
+	PINMUX_DATA(PD3_DATA, PD3MD_000, PD3_IN, PD3_OUT),
+	PINMUX_DATA(D19_MARK, PD3MD_001),
+	PINMUX_DATA(IRQ3_PD_MARK, PD3MD_010),
+	PINMUX_DATA(SCS0_PD_MARK, PD3MD_011),
+	PINMUX_DATA(DACK3_MARK, PD3MD_100),
+	PINMUX_DATA(TIOC0D_MARK, PD3MD_101),
+
+	PINMUX_DATA(PD2_DATA, PD2MD_000, PD2_IN, PD2_OUT),
+	PINMUX_DATA(D18_MARK, PD2MD_001),
+	PINMUX_DATA(IRQ2_PD_MARK, PD2MD_010),
+	PINMUX_DATA(SSO0_PD_MARK, PD2MD_011),
+	PINMUX_DATA(DREQ3_MARK, PD2MD_100),
+	PINMUX_DATA(TIOC0C_MARK, PD2MD_101),
+
+	PINMUX_DATA(PD1_DATA, PD1MD_000, PD1_IN, PD1_OUT),
+	PINMUX_DATA(D17_MARK, PD1MD_001),
+	PINMUX_DATA(IRQ1_PD_MARK, PD1MD_010),
+	PINMUX_DATA(SSI0_PD_MARK, PD1MD_011),
+	PINMUX_DATA(DACK2_MARK, PD1MD_100),
+	PINMUX_DATA(TIOC0B_MARK, PD1MD_101),
+
+	PINMUX_DATA(PD0_DATA, PD0MD_000, PD0_IN, PD0_OUT),
+	PINMUX_DATA(D16_MARK, PD0MD_001),
+	PINMUX_DATA(IRQ0_PD_MARK, PD0MD_010),
+	PINMUX_DATA(SSCK0_PD_MARK, PD0MD_011),
+	PINMUX_DATA(DREQ2_MARK, PD0MD_100),
+	PINMUX_DATA(TIOC0A_MARK, PD0MD_101),
+
+	/* PE */
+	PINMUX_DATA(PE15_DATA, PE15MD_00, PE15_IN, PE15_OUT),
+	PINMUX_DATA(IOIS16_MARK, PE15MD_01),
+	PINMUX_DATA(RTS3_MARK, PE15MD_11),
+
+	PINMUX_DATA(PE14_DATA, PE14MD_00, PE14_IN, PE14_OUT),
+	PINMUX_DATA(CS1_MARK, PE14MD_01),
+	PINMUX_DATA(CTS3_MARK, PE14MD_11),
+
+	PINMUX_DATA(PE13_DATA, PE13MD_00, PE13_IN, PE13_OUT),
+	PINMUX_DATA(TXD3_MARK, PE13MD_11),
+
+	PINMUX_DATA(PE12_DATA, PE12MD_00, PE12_IN, PE12_OUT),
+	PINMUX_DATA(RXD3_MARK, PE12MD_11),
+
+	PINMUX_DATA(PE11_DATA, PE11MD_000, PE11_IN, PE11_OUT),
+	PINMUX_DATA(CS6_CE1B_MARK, PE11MD_001),
+	PINMUX_DATA(IRQ7_PE_MARK, PE11MD_010),
+	PINMUX_DATA(TEND1_PE_MARK, PE11MD_100),
+
+	PINMUX_DATA(PE10_DATA, PE10MD_000, PE10_IN, PE10_OUT),
+	PINMUX_DATA(CE2B_MARK, PE10MD_001),
+	PINMUX_DATA(IRQ6_PE_MARK, PE10MD_010),
+	PINMUX_DATA(TEND0_PE_MARK, PE10MD_100),
+
+	PINMUX_DATA(PE9_DATA, PE9MD_00, PE9_IN, PE9_OUT),
+	PINMUX_DATA(CS5_CE1A_MARK, PE9MD_01),
+	PINMUX_DATA(IRQ5_PE_MARK, PE9MD_10),
+	PINMUX_DATA(SCK3_MARK, PE9MD_11),
+
+	PINMUX_DATA(PE8_DATA, PE8MD_00, PE8_IN, PE8_OUT),
+	PINMUX_DATA(CE2A_MARK, PE8MD_01),
+	PINMUX_DATA(IRQ4_PE_MARK, PE8MD_10),
+	PINMUX_DATA(SCK2_MARK, PE8MD_11),
+
+	PINMUX_DATA(PE7_DATA, PE7MD_000, PE7_IN, PE7_OUT),
+	PINMUX_DATA(FRAME_MARK, PE7MD_001),
+	PINMUX_DATA(IRQ3_PE_MARK, PE7MD_010),
+	PINMUX_DATA(TXD2_MARK, PE7MD_011),
+	PINMUX_DATA(DACK1_PE_MARK, PE7MD_100),
+
+	PINMUX_DATA(PE6_DATA, PE6MD_000, PE6_IN, PE6_OUT),
+	PINMUX_DATA(A25_MARK, PE6MD_001),
+	PINMUX_DATA(IRQ2_PE_MARK, PE6MD_010),
+	PINMUX_DATA(RXD2_MARK, PE6MD_011),
+	PINMUX_DATA(DREQ1_PE_MARK, PE6MD_100),
+
+	PINMUX_DATA(PE5_DATA, PE5MD_000, PE5_IN, PE5_OUT),
+	PINMUX_DATA(A24_MARK, PE5MD_001),
+	PINMUX_DATA(IRQ1_PE_MARK, PE5MD_010),
+	PINMUX_DATA(TXD1_MARK, PE5MD_011),
+	PINMUX_DATA(DACK0_PE_MARK, PE5MD_100),
+
+	PINMUX_DATA(PE4_DATA, PE4MD_000, PE4_IN, PE4_OUT),
+	PINMUX_DATA(A23_MARK, PE4MD_001),
+	PINMUX_DATA(IRQ0_PE_MARK, PE4MD_010),
+	PINMUX_DATA(RXD1_MARK, PE4MD_011),
+	PINMUX_DATA(DREQ0_PE_MARK, PE4MD_100),
+
+	PINMUX_DATA(PE3_DATA, PE3MD_00, PE3_IN, PE3_OUT),
+	PINMUX_DATA(A22_MARK, PE3MD_01),
+	PINMUX_DATA(SCK1_MARK, PE3MD_11),
+
+	PINMUX_DATA(PE2_DATA, PE2MD_00, PE2_IN, PE2_OUT),
+	PINMUX_DATA(A21_MARK, PE2MD_01),
+	PINMUX_DATA(SCK0_MARK, PE2MD_11),
+
+	PINMUX_DATA(PE1_DATA, PE1MD_00, PE1_IN, PE1_OUT),
+	PINMUX_DATA(CS4_MARK, PE1MD_01),
+	PINMUX_DATA(MRES_MARK, PE1MD_10),
+	PINMUX_DATA(TXD0_MARK, PE1MD_11),
+
+	PINMUX_DATA(PE0_DATA, PE0MD_000, PE0_IN, PE0_OUT),
+	PINMUX_DATA(BS_MARK, PE0MD_001),
+	PINMUX_DATA(RXD0_MARK, PE0MD_011),
+	PINMUX_DATA(ADTRG_PE_MARK, PE0MD_100),
+
+	/* PF */
+	PINMUX_DATA(PF30_DATA, PF30MD_0, PF30_IN, PF30_OUT),
+	PINMUX_DATA(AUDIO_CLK_MARK, PF30MD_1),
+
+	PINMUX_DATA(PF29_DATA, PF29MD_0, PF29_IN, PF29_OUT),
+	PINMUX_DATA(SSIDATA3_MARK, PF29MD_1),
+
+	PINMUX_DATA(PF28_DATA, PF28MD_0, PF28_IN, PF28_OUT),
+	PINMUX_DATA(SSIWS3_MARK, PF28MD_1),
+
+	PINMUX_DATA(PF27_DATA, PF27MD_0, PF27_IN, PF27_OUT),
+	PINMUX_DATA(SSISCK3_MARK, PF27MD_1),
+
+	PINMUX_DATA(PF26_DATA, PF26MD_0, PF26_IN, PF26_OUT),
+	PINMUX_DATA(SSIDATA2_MARK, PF26MD_1),
+
+	PINMUX_DATA(PF25_DATA, PF25MD_0, PF25_IN, PF25_OUT),
+	PINMUX_DATA(SSIWS2_MARK, PF25MD_1),
+
+	PINMUX_DATA(PF24_DATA, PF24MD_0, PF24_IN, PF24_OUT),
+	PINMUX_DATA(SSISCK2_MARK, PF24MD_1),
+
+	PINMUX_DATA(PF23_DATA, PF23MD_00, PF23_IN, PF23_OUT),
+	PINMUX_DATA(SSIDATA1_MARK, PF23MD_01),
+	PINMUX_DATA(LCD_VEPWC_MARK, PF23MD_10),
+
+	PINMUX_DATA(PF22_DATA, PF22MD_00, PF22_IN, PF22_OUT),
+	PINMUX_DATA(SSIWS1_MARK, PF22MD_01),
+	PINMUX_DATA(LCD_VCPWC_MARK, PF22MD_10),
+
+	PINMUX_DATA(PF21_DATA, PF21MD_00, PF21_IN, PF21_OUT),
+	PINMUX_DATA(SSISCK1_MARK, PF21MD_01),
+	PINMUX_DATA(LCD_CLK_MARK, PF21MD_10),
+
+	PINMUX_DATA(PF20_DATA, PF20MD_00, PF20_IN, PF20_OUT),
+	PINMUX_DATA(SSIDATA0_MARK, PF20MD_01),
+	PINMUX_DATA(LCD_FLM_MARK, PF20MD_10),
+
+	PINMUX_DATA(PF19_DATA, PF19MD_00, PF19_IN, PF19_OUT),
+	PINMUX_DATA(SSIWS0_MARK, PF19MD_01),
+	PINMUX_DATA(LCD_M_DISP_MARK, PF19MD_10),
+
+	PINMUX_DATA(PF18_DATA, PF18MD_00, PF18_IN, PF18_OUT),
+	PINMUX_DATA(SSISCK0_MARK, PF18MD_01),
+	PINMUX_DATA(LCD_CL2_MARK, PF18MD_10),
+
+	PINMUX_DATA(PF17_DATA, PF17MD_00, PF17_IN, PF17_OUT),
+	PINMUX_DATA(FCE_MARK, PF17MD_01),
+	PINMUX_DATA(LCD_CL1_MARK, PF17MD_10),
+
+	PINMUX_DATA(PF16_DATA, PF16MD_00, PF16_IN, PF16_OUT),
+	PINMUX_DATA(FRB_MARK, PF16MD_01),
+	PINMUX_DATA(LCD_DON_MARK, PF16MD_10),
+
+	PINMUX_DATA(PF15_DATA, PF15MD_00, PF15_IN, PF15_OUT),
+	PINMUX_DATA(NAF7_MARK, PF15MD_01),
+	PINMUX_DATA(LCD_DATA15_MARK, PF15MD_10),
+
+	PINMUX_DATA(PF14_DATA, PF14MD_00, PF14_IN, PF14_OUT),
+	PINMUX_DATA(NAF6_MARK, PF14MD_01),
+	PINMUX_DATA(LCD_DATA14_MARK, PF14MD_10),
+
+	PINMUX_DATA(PF13_DATA, PF13MD_00, PF13_IN, PF13_OUT),
+	PINMUX_DATA(NAF5_MARK, PF13MD_01),
+	PINMUX_DATA(LCD_DATA13_MARK, PF13MD_10),
+
+	PINMUX_DATA(PF12_DATA, PF12MD_00, PF12_IN, PF12_OUT),
+	PINMUX_DATA(NAF4_MARK, PF12MD_01),
+	PINMUX_DATA(LCD_DATA12_MARK, PF12MD_10),
+
+	PINMUX_DATA(PF11_DATA, PF11MD_00, PF11_IN, PF11_OUT),
+	PINMUX_DATA(NAF3_MARK, PF11MD_01),
+	PINMUX_DATA(LCD_DATA11_MARK, PF11MD_10),
+
+	PINMUX_DATA(PF10_DATA, PF10MD_00, PF10_IN, PF10_OUT),
+	PINMUX_DATA(NAF2_MARK, PF10MD_01),
+	PINMUX_DATA(LCD_DATA10_MARK, PF10MD_10),
+
+	PINMUX_DATA(PF9_DATA, PF9MD_00, PF9_IN, PF9_OUT),
+	PINMUX_DATA(NAF1_MARK, PF9MD_01),
+	PINMUX_DATA(LCD_DATA9_MARK, PF9MD_10),
+
+	PINMUX_DATA(PF8_DATA, PF8MD_00, PF8_IN, PF8_OUT),
+	PINMUX_DATA(NAF0_MARK, PF8MD_01),
+	PINMUX_DATA(LCD_DATA8_MARK, PF8MD_10),
+
+	PINMUX_DATA(PF7_DATA, PF7MD_00, PF7_IN, PF7_OUT),
+	PINMUX_DATA(FSC_MARK, PF7MD_01),
+	PINMUX_DATA(LCD_DATA7_MARK, PF7MD_10),
+	PINMUX_DATA(SCS1_PF_MARK, PF7MD_11),
+
+	PINMUX_DATA(PF6_DATA, PF6MD_00, PF6_IN, PF6_OUT),
+	PINMUX_DATA(FOE_MARK, PF6MD_01),
+	PINMUX_DATA(LCD_DATA6_MARK, PF6MD_10),
+	PINMUX_DATA(SSO1_PF_MARK, PF6MD_11),
+
+	PINMUX_DATA(PF5_DATA, PF5MD_00, PF5_IN, PF5_OUT),
+	PINMUX_DATA(FCDE_MARK, PF5MD_01),
+	PINMUX_DATA(LCD_DATA5_MARK, PF5MD_10),
+	PINMUX_DATA(SSI1_PF_MARK, PF5MD_11),
+
+	PINMUX_DATA(PF4_DATA, PF4MD_00, PF4_IN, PF4_OUT),
+	PINMUX_DATA(FWE_MARK, PF4MD_01),
+	PINMUX_DATA(LCD_DATA4_MARK, PF4MD_10),
+	PINMUX_DATA(SSCK1_PF_MARK, PF4MD_11),
+
+	PINMUX_DATA(PF3_DATA, PF3MD_00, PF3_IN, PF3_OUT),
+	PINMUX_DATA(TCLKD_PF_MARK, PF3MD_01),
+	PINMUX_DATA(LCD_DATA3_MARK, PF3MD_10),
+	PINMUX_DATA(SCS0_PF_MARK, PF3MD_11),
+
+	PINMUX_DATA(PF2_DATA, PF2MD_00, PF2_IN, PF2_OUT),
+	PINMUX_DATA(TCLKC_PF_MARK, PF2MD_01),
+	PINMUX_DATA(LCD_DATA2_MARK, PF2MD_10),
+	PINMUX_DATA(SSO0_PF_MARK, PF2MD_11),
+
+	PINMUX_DATA(PF1_DATA, PF1MD_00, PF1_IN, PF1_OUT),
+	PINMUX_DATA(TCLKB_PF_MARK, PF1MD_01),
+	PINMUX_DATA(LCD_DATA1_MARK, PF1MD_10),
+	PINMUX_DATA(SSI0_PF_MARK, PF1MD_11),
+
+	PINMUX_DATA(PF0_DATA, PF0MD_00, PF0_IN, PF0_OUT),
+	PINMUX_DATA(TCLKA_PF_MARK, PF0MD_01),
+	PINMUX_DATA(LCD_DATA0_MARK, PF0MD_10),
+	PINMUX_DATA(SSCK0_PF_MARK, PF0MD_11),
+};
+
+static struct pinmux_gpio pinmux_gpios[] = {
+
+	/* PA */
+	PINMUX_GPIO(GPIO_PA7, PA7_DATA),
+	PINMUX_GPIO(GPIO_PA6, PA6_DATA),
+	PINMUX_GPIO(GPIO_PA5, PA5_DATA),
+	PINMUX_GPIO(GPIO_PA4, PA4_DATA),
+	PINMUX_GPIO(GPIO_PA3, PA3_DATA),
+	PINMUX_GPIO(GPIO_PA2, PA2_DATA),
+	PINMUX_GPIO(GPIO_PA1, PA1_DATA),
+	PINMUX_GPIO(GPIO_PA0, PA0_DATA),
+
+	/* PB */
+	PINMUX_GPIO(GPIO_PB12, PB12_DATA),
+	PINMUX_GPIO(GPIO_PB11, PB11_DATA),
+	PINMUX_GPIO(GPIO_PB10, PB10_DATA),
+	PINMUX_GPIO(GPIO_PB9, PB9_DATA),
+	PINMUX_GPIO(GPIO_PB8, PB8_DATA),
+	PINMUX_GPIO(GPIO_PB7, PB7_DATA),
+	PINMUX_GPIO(GPIO_PB6, PB6_DATA),
+	PINMUX_GPIO(GPIO_PB5, PB5_DATA),
+	PINMUX_GPIO(GPIO_PB4, PB4_DATA),
+	PINMUX_GPIO(GPIO_PB3, PB3_DATA),
+	PINMUX_GPIO(GPIO_PB2, PB2_DATA),
+	PINMUX_GPIO(GPIO_PB1, PB1_DATA),
+	PINMUX_GPIO(GPIO_PB0, PB0_DATA),
+
+	/* PC */
+	PINMUX_GPIO(GPIO_PC14, PC14_DATA),
+	PINMUX_GPIO(GPIO_PC13, PC13_DATA),
+	PINMUX_GPIO(GPIO_PC12, PC12_DATA),
+	PINMUX_GPIO(GPIO_PC11, PC11_DATA),
+	PINMUX_GPIO(GPIO_PC10, PC10_DATA),
+	PINMUX_GPIO(GPIO_PC9, PC9_DATA),
+	PINMUX_GPIO(GPIO_PC8, PC8_DATA),
+	PINMUX_GPIO(GPIO_PC7, PC7_DATA),
+	PINMUX_GPIO(GPIO_PC6, PC6_DATA),
+	PINMUX_GPIO(GPIO_PC5, PC5_DATA),
+	PINMUX_GPIO(GPIO_PC4, PC4_DATA),
+	PINMUX_GPIO(GPIO_PC3, PC3_DATA),
+	PINMUX_GPIO(GPIO_PC2, PC2_DATA),
+	PINMUX_GPIO(GPIO_PC1, PC1_DATA),
+	PINMUX_GPIO(GPIO_PC0, PC0_DATA),
+
+	/* PD */
+	PINMUX_GPIO(GPIO_PD15, PD15_DATA),
+	PINMUX_GPIO(GPIO_PD14, PD14_DATA),
+	PINMUX_GPIO(GPIO_PD13, PD13_DATA),
+	PINMUX_GPIO(GPIO_PD12, PD12_DATA),
+	PINMUX_GPIO(GPIO_PD11, PD11_DATA),
+	PINMUX_GPIO(GPIO_PD10, PD10_DATA),
+	PINMUX_GPIO(GPIO_PD9, PD9_DATA),
+	PINMUX_GPIO(GPIO_PD8, PD8_DATA),
+	PINMUX_GPIO(GPIO_PD7, PD7_DATA),
+	PINMUX_GPIO(GPIO_PD6, PD6_DATA),
+	PINMUX_GPIO(GPIO_PD5, PD5_DATA),
+	PINMUX_GPIO(GPIO_PD4, PD4_DATA),
+	PINMUX_GPIO(GPIO_PD3, PD3_DATA),
+	PINMUX_GPIO(GPIO_PD2, PD2_DATA),
+	PINMUX_GPIO(GPIO_PD1, PD1_DATA),
+	PINMUX_GPIO(GPIO_PD0, PD0_DATA),
+
+	/* PE */
+	PINMUX_GPIO(GPIO_PE15, PE15_DATA),
+	PINMUX_GPIO(GPIO_PE14, PE14_DATA),
+	PINMUX_GPIO(GPIO_PE13, PE13_DATA),
+	PINMUX_GPIO(GPIO_PE12, PE12_DATA),
+	PINMUX_GPIO(GPIO_PE11, PE11_DATA),
+	PINMUX_GPIO(GPIO_PE10, PE10_DATA),
+	PINMUX_GPIO(GPIO_PE9, PE9_DATA),
+	PINMUX_GPIO(GPIO_PE8, PE8_DATA),
+	PINMUX_GPIO(GPIO_PE7, PE7_DATA),
+	PINMUX_GPIO(GPIO_PE6, PE6_DATA),
+	PINMUX_GPIO(GPIO_PE5, PE5_DATA),
+	PINMUX_GPIO(GPIO_PE4, PE4_DATA),
+	PINMUX_GPIO(GPIO_PE3, PE3_DATA),
+	PINMUX_GPIO(GPIO_PE2, PE2_DATA),
+	PINMUX_GPIO(GPIO_PE1, PE1_DATA),
+	PINMUX_GPIO(GPIO_PE0, PE0_DATA),
+
+	/* PF */
+	PINMUX_GPIO(GPIO_PF30, PF30_DATA),
+	PINMUX_GPIO(GPIO_PF29, PF29_DATA),
+	PINMUX_GPIO(GPIO_PF28, PF28_DATA),
+	PINMUX_GPIO(GPIO_PF27, PF27_DATA),
+	PINMUX_GPIO(GPIO_PF26, PF26_DATA),
+	PINMUX_GPIO(GPIO_PF25, PF25_DATA),
+	PINMUX_GPIO(GPIO_PF24, PF24_DATA),
+	PINMUX_GPIO(GPIO_PF23, PF23_DATA),
+	PINMUX_GPIO(GPIO_PF22, PF22_DATA),
+	PINMUX_GPIO(GPIO_PF21, PF21_DATA),
+	PINMUX_GPIO(GPIO_PF20, PF20_DATA),
+	PINMUX_GPIO(GPIO_PF19, PF19_DATA),
+	PINMUX_GPIO(GPIO_PF18, PF18_DATA),
+	PINMUX_GPIO(GPIO_PF17, PF17_DATA),
+	PINMUX_GPIO(GPIO_PF16, PF16_DATA),
+	PINMUX_GPIO(GPIO_PF15, PF15_DATA),
+	PINMUX_GPIO(GPIO_PF14, PF14_DATA),
+	PINMUX_GPIO(GPIO_PF13, PF13_DATA),
+	PINMUX_GPIO(GPIO_PF12, PF12_DATA),
+	PINMUX_GPIO(GPIO_PF11, PF11_DATA),
+	PINMUX_GPIO(GPIO_PF10, PF10_DATA),
+	PINMUX_GPIO(GPIO_PF9, PF9_DATA),
+	PINMUX_GPIO(GPIO_PF8, PF8_DATA),
+	PINMUX_GPIO(GPIO_PF7, PF7_DATA),
+	PINMUX_GPIO(GPIO_PF6, PF6_DATA),
+	PINMUX_GPIO(GPIO_PF5, PF5_DATA),
+	PINMUX_GPIO(GPIO_PF4, PF4_DATA),
+	PINMUX_GPIO(GPIO_PF3, PF3_DATA),
+	PINMUX_GPIO(GPIO_PF2, PF2_DATA),
+	PINMUX_GPIO(GPIO_PF1, PF1_DATA),
+	PINMUX_GPIO(GPIO_PF0, PF0_DATA),
+
+	/* INTC */
+	PINMUX_GPIO(GPIO_FN_PINT7_PB, PINT7_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT6_PB, PINT6_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT5_PB, PINT5_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT4_PB, PINT4_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT3_PB, PINT3_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT2_PB, PINT2_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT1_PB, PINT1_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT0_PB, PINT0_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT7_PD, PINT7_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT6_PD, PINT6_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT5_PD, PINT5_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT4_PD, PINT4_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT3_PD, PINT3_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT2_PD, PINT2_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT1_PD, PINT1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_PINT0_PD, PINT0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ7_PB, IRQ7_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ6_PB, IRQ6_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ5_PB, IRQ5_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ4_PB, IRQ4_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ3_PB, IRQ3_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ2_PB, IRQ2_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ1_PB, IRQ1_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ0_PB, IRQ0_PB_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ7_PD, IRQ7_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ6_PD, IRQ6_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ5_PD, IRQ5_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ4_PD, IRQ4_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ3_PD, IRQ3_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ2_PD, IRQ2_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ1_PD, IRQ1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ0_PD, IRQ0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ7_PE, IRQ7_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ6_PE, IRQ6_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ5_PE, IRQ5_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ4_PE, IRQ4_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ3_PE, IRQ3_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ2_PE, IRQ2_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ1_PE, IRQ1_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ0_PE, IRQ0_PE_MARK),
+
+	PINMUX_GPIO(GPIO_FN_WDTOVF, WDTOVF_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQOUT, IRQOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_REFOUT, REFOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQOUT_REFOUT, IRQOUT_REFOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_UBCTRG, UBCTRG_MARK),
+
+	/* CAN */
+	PINMUX_GPIO(GPIO_FN_CTX1, CTX1_MARK),
+	PINMUX_GPIO(GPIO_FN_CRX1, CRX1_MARK),
+	PINMUX_GPIO(GPIO_FN_CTX0, CTX0_MARK),
+	PINMUX_GPIO(GPIO_FN_CTX0_CTX1, CTX0_CTX1_MARK),
+	PINMUX_GPIO(GPIO_FN_CRX0, CRX0_MARK),
+	PINMUX_GPIO(GPIO_FN_CRX0_CRX1, CRX0_CRX1_MARK),
+
+	/* IIC3 */
+	PINMUX_GPIO(GPIO_FN_SDA3, SDA3_MARK),
+	PINMUX_GPIO(GPIO_FN_SCL3, SCL3_MARK),
+	PINMUX_GPIO(GPIO_FN_SDA2, SDA2_MARK),
+	PINMUX_GPIO(GPIO_FN_SCL2, SCL2_MARK),
+	PINMUX_GPIO(GPIO_FN_SDA1, SDA1_MARK),
+	PINMUX_GPIO(GPIO_FN_SCL1, SCL1_MARK),
+	PINMUX_GPIO(GPIO_FN_SDA0, SDA0_MARK),
+	PINMUX_GPIO(GPIO_FN_SCL0, SCL0_MARK),
+
+	/* DMAC */
+	PINMUX_GPIO(GPIO_FN_TEND0_PD, TEND0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_TEND0_PE, TEND0_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK0_PD, DACK0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK0_PE, DACK0_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ0_PD, DREQ0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ0_PE, DREQ0_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_TEND1_PD, TEND1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_TEND1_PE, TEND1_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK1_PD, DACK1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK1_PE, DACK1_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ1_PD, DREQ1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ1_PE, DREQ1_PE_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK2, DACK2_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ2, DREQ2_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK3, DACK3_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ3, DREQ3_MARK),
+
+	/* ADC */
+	PINMUX_GPIO(GPIO_FN_ADTRG_PD, ADTRG_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_ADTRG_PE, ADTRG_PE_MARK),
+
+	/* BSC */
+	PINMUX_GPIO(GPIO_FN_D31, D31_MARK),
+	PINMUX_GPIO(GPIO_FN_D30, D30_MARK),
+	PINMUX_GPIO(GPIO_FN_D29, D29_MARK),
+	PINMUX_GPIO(GPIO_FN_D28, D28_MARK),
+	PINMUX_GPIO(GPIO_FN_D27, D27_MARK),
+	PINMUX_GPIO(GPIO_FN_D26, D26_MARK),
+	PINMUX_GPIO(GPIO_FN_D25, D25_MARK),
+	PINMUX_GPIO(GPIO_FN_D24, D24_MARK),
+	PINMUX_GPIO(GPIO_FN_D23, D23_MARK),
+	PINMUX_GPIO(GPIO_FN_D22, D22_MARK),
+	PINMUX_GPIO(GPIO_FN_D21, D21_MARK),
+	PINMUX_GPIO(GPIO_FN_D20, D20_MARK),
+	PINMUX_GPIO(GPIO_FN_D19, D19_MARK),
+	PINMUX_GPIO(GPIO_FN_D18, D18_MARK),
+	PINMUX_GPIO(GPIO_FN_D17, D17_MARK),
+	PINMUX_GPIO(GPIO_FN_D16, D16_MARK),
+	PINMUX_GPIO(GPIO_FN_A25, A25_MARK),
+	PINMUX_GPIO(GPIO_FN_A24, A24_MARK),
+	PINMUX_GPIO(GPIO_FN_A23, A23_MARK),
+	PINMUX_GPIO(GPIO_FN_A22, A22_MARK),
+	PINMUX_GPIO(GPIO_FN_A21, A21_MARK),
+	PINMUX_GPIO(GPIO_FN_CS4, CS4_MARK),
+	PINMUX_GPIO(GPIO_FN_MRES, MRES_MARK),
+	PINMUX_GPIO(GPIO_FN_BS, BS_MARK),
+	PINMUX_GPIO(GPIO_FN_IOIS16, IOIS16_MARK),
+	PINMUX_GPIO(GPIO_FN_CS1, CS1_MARK),
+	PINMUX_GPIO(GPIO_FN_CS6_CE1B, CS6_CE1B_MARK),
+	PINMUX_GPIO(GPIO_FN_CE2B, CE2B_MARK),
+	PINMUX_GPIO(GPIO_FN_CS5_CE1A, CS5_CE1A_MARK),
+	PINMUX_GPIO(GPIO_FN_CE2A, CE2A_MARK),
+	PINMUX_GPIO(GPIO_FN_FRAME, FRAME_MARK),
+	PINMUX_GPIO(GPIO_FN_WAIT, WAIT_MARK),
+	PINMUX_GPIO(GPIO_FN_RDWR, RDWR_MARK),
+	PINMUX_GPIO(GPIO_FN_CKE, CKE_MARK),
+	PINMUX_GPIO(GPIO_FN_CASU, CASU_MARK),
+	PINMUX_GPIO(GPIO_FN_BREQ, BREQ_MARK),
+	PINMUX_GPIO(GPIO_FN_RASU, RASU_MARK),
+	PINMUX_GPIO(GPIO_FN_BACK, BACK_MARK),
+	PINMUX_GPIO(GPIO_FN_CASL, CASL_MARK),
+	PINMUX_GPIO(GPIO_FN_RASL, RASL_MARK),
+	PINMUX_GPIO(GPIO_FN_WE3_DQMUU_AH_ICIO_WR, WE3_DQMUU_AH_ICIO_WR_MARK),
+	PINMUX_GPIO(GPIO_FN_WE2_DQMUL_ICIORD, WE2_DQMUL_ICIORD_MARK),
+	PINMUX_GPIO(GPIO_FN_WE1_DQMLU_WE, WE1_DQMLU_WE_MARK),
+	PINMUX_GPIO(GPIO_FN_WE0_DQMLL, WE0_DQMLL_MARK),
+	PINMUX_GPIO(GPIO_FN_CS3, CS3_MARK),
+	PINMUX_GPIO(GPIO_FN_CS2, CS2_MARK),
+	PINMUX_GPIO(GPIO_FN_A1, A1_MARK),
+	PINMUX_GPIO(GPIO_FN_A0, A0_MARK),
+	PINMUX_GPIO(GPIO_FN_CS7, CS7_MARK),
+
+	/* TMU */
+	PINMUX_GPIO(GPIO_FN_TIOC4D, TIOC4D_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC4C, TIOC4C_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC4B, TIOC4B_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC4A, TIOC4A_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC3D, TIOC3D_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC3C, TIOC3C_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC3B, TIOC3B_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC3A, TIOC3A_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC2B, TIOC2B_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC1B, TIOC1B_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC2A, TIOC2A_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC1A, TIOC1A_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC0D, TIOC0D_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC0C, TIOC0C_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC0B, TIOC0B_MARK),
+	PINMUX_GPIO(GPIO_FN_TIOC0A, TIOC0A_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKD_PD, TCLKD_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKC_PD, TCLKC_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKB_PD, TCLKB_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKA_PD, TCLKA_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKD_PF, TCLKD_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKC_PF, TCLKC_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKB_PF, TCLKB_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLKA_PF, TCLKA_PF_MARK),
+
+	/* SSU */
+	PINMUX_GPIO(GPIO_FN_SCS0_PD, SCS0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SSO0_PD, SSO0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI0_PD, SSI0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SSCK0_PD, SSCK0_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCS0_PF, SCS0_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_SSO0_PF, SSO0_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI0_PF, SSI0_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_SSCK0_PF, SSCK0_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_SCS1_PD, SCS1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SSO1_PD, SSO1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI1_PD, SSI1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SSCK1_PD, SSCK1_PD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCS1_PF, SCS1_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_SSO1_PF, SSO1_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI1_PF, SSI1_PF_MARK),
+	PINMUX_GPIO(GPIO_FN_SSCK1_PF, SSCK1_PF_MARK),
+
+	/* SCIF */
+	PINMUX_GPIO(GPIO_FN_TXD0, TXD0_MARK),
+	PINMUX_GPIO(GPIO_FN_RXD0, RXD0_MARK),
+	PINMUX_GPIO(GPIO_FN_SCK0, SCK0_MARK),
+	PINMUX_GPIO(GPIO_FN_TXD1, TXD1_MARK),
+	PINMUX_GPIO(GPIO_FN_RXD1, RXD1_MARK),
+	PINMUX_GPIO(GPIO_FN_SCK1, SCK1_MARK),
+	PINMUX_GPIO(GPIO_FN_TXD2, TXD2_MARK),
+	PINMUX_GPIO(GPIO_FN_RXD2, RXD2_MARK),
+	PINMUX_GPIO(GPIO_FN_SCK2, SCK2_MARK),
+	PINMUX_GPIO(GPIO_FN_RTS3, RTS3_MARK),
+	PINMUX_GPIO(GPIO_FN_CTS3, CTS3_MARK),
+	PINMUX_GPIO(GPIO_FN_TXD3, TXD3_MARK),
+	PINMUX_GPIO(GPIO_FN_RXD3, RXD3_MARK),
+	PINMUX_GPIO(GPIO_FN_SCK3, SCK3_MARK),
+
+	/* SSI */
+	PINMUX_GPIO(GPIO_FN_AUDIO_CLK, AUDIO_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIDATA3, SSIDATA3_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIWS3, SSIWS3_MARK),
+	PINMUX_GPIO(GPIO_FN_SSISCK3, SSISCK3_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIDATA2, SSIDATA2_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIWS2, SSIWS2_MARK),
+	PINMUX_GPIO(GPIO_FN_SSISCK2, SSISCK2_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIDATA1, SSIDATA1_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIWS1, SSIWS1_MARK),
+	PINMUX_GPIO(GPIO_FN_SSISCK1, SSISCK1_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIDATA0, SSIDATA0_MARK),
+	PINMUX_GPIO(GPIO_FN_SSIWS0, SSIWS0_MARK),
+	PINMUX_GPIO(GPIO_FN_SSISCK0, SSISCK0_MARK),
+
+	/* FLCTL */
+	PINMUX_GPIO(GPIO_FN_FCE, FCE_MARK),
+	PINMUX_GPIO(GPIO_FN_FRB, FRB_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF7, NAF7_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF6, NAF6_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF5, NAF5_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF4, NAF4_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF3, NAF3_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF2, NAF2_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF1, NAF1_MARK),
+	PINMUX_GPIO(GPIO_FN_NAF0, NAF0_MARK),
+	PINMUX_GPIO(GPIO_FN_FSC, FSC_MARK),
+	PINMUX_GPIO(GPIO_FN_FOE, FOE_MARK),
+	PINMUX_GPIO(GPIO_FN_FCDE, FCDE_MARK),
+	PINMUX_GPIO(GPIO_FN_FWE, FWE_MARK),
+
+	/* LCDC */
+	PINMUX_GPIO(GPIO_FN_LCD_VEPWC, LCD_VEPWC_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_VCPWC, LCD_VCPWC_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_CLK, LCD_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_FLM, LCD_FLM_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_M_DISP, LCD_M_DISP_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_CL2, LCD_CL2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_CL1, LCD_CL1_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DON, LCD_DON_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA15, LCD_DATA15_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA14, LCD_DATA14_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA13, LCD_DATA13_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA12, LCD_DATA12_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA11, LCD_DATA11_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA10, LCD_DATA10_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA9, LCD_DATA9_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA8, LCD_DATA8_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA7, LCD_DATA7_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA6, LCD_DATA6_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA5, LCD_DATA5_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA4, LCD_DATA4_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA3, LCD_DATA3_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA2, LCD_DATA2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA1, LCD_DATA1_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA0, LCD_DATA0_MARK),
+};
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	{ PINMUX_CFG_REG("PBIORL", 0xfffe3886, 16, 1) {
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		PB11_IN, PB11_OUT,
+		PB10_IN, PB10_OUT,
+		PB9_IN, PB9_OUT,
+		PB8_IN, PB8_OUT,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0 }
+	},
+	{ PINMUX_CFG_REG("PBCRL4", 0xfffe3890, 16, 4) {
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB12MD_00, PB12MD_01, PB12MD_10, PB12MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PBCRL3", 0xfffe3892, 16, 4) {
+		PB11MD_0, PB11MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB10MD_0, PB10MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB9MD_00, PB9MD_01, PB9MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB8MD_00, PB8MD_01, PB8MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PBCRL2", 0xfffe3894, 16, 4) {
+		PB7MD_00, PB7MD_01, PB7MD_10, PB7MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB6MD_00, PB6MD_01, PB6MD_10, PB6MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB5MD_00, PB5MD_01, PB5MD_10, PB5MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB4MD_00, PB4MD_01, PB4MD_10, PB4MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PBCRL1", 0xfffe3896, 16, 4) {
+		PB3MD_00, PB3MD_01, PB3MD_10, PB3MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB2MD_00, PB2MD_01, PB2MD_10, PB2MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB1MD_00, PB1MD_01, PB1MD_10, PB1MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB0MD_00, PB0MD_01, PB0MD_10, PB0MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("IFCR", 0xfffe38a2, 16, 4) {
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PB12IRQ_00, PB12IRQ_01, PB12IRQ_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PCIORL", 0xfffe3906, 16, 1) {
+		0, 0,
+		PC14_IN, PC14_OUT,
+		PC13_IN, PC13_OUT,
+		PC12_IN, PC12_OUT,
+		PC11_IN, PC11_OUT,
+		PC10_IN, PC10_OUT,
+		PC9_IN, PC9_OUT,
+		PC8_IN, PC8_OUT,
+		PC7_IN, PC7_OUT,
+		PC6_IN, PC6_OUT,
+		PC5_IN, PC5_OUT,
+		PC4_IN, PC4_OUT,
+		PC3_IN, PC3_OUT,
+		PC2_IN, PC2_OUT,
+		PC1_IN, PC1_OUT,
+		PC0_IN, PC0_OUT }
+	},
+	{ PINMUX_CFG_REG("PCCRL4", 0xfffe3910, 16, 4) {
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC14MD_0, PC14MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC13MD_0, PC13MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC12MD_0, PC12MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PCCRL3", 0xfffe3912, 16, 4) {
+		PC11MD_00, PC11MD_01, PC11MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC10MD_00, PC10MD_01, PC10MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC9MD_0, PC9MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC8MD_0, PC8MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PCCRL2", 0xfffe3914, 16, 4) {
+		PC7MD_0, PC7MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC6MD_0, PC6MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC5MD_0, PC5MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC4MD_0, PC4MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PCCRL1", 0xfffe3916, 16, 4) {
+		PC3MD_0, PC3MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC2MD_0, PC2MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC1MD_0, PC1MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PC0MD_00, PC0MD_01, PC0MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PDIORL", 0xfffe3986, 16, 1) {
+		PD15_IN, PD15_OUT,
+		PD14_IN, PD14_OUT,
+		PD13_IN, PD13_OUT,
+		PD12_IN, PD12_OUT,
+		PD11_IN, PD11_OUT,
+		PD10_IN, PD10_OUT,
+		PD9_IN, PD9_OUT,
+		PD8_IN, PD8_OUT,
+		PD7_IN, PD7_OUT,
+		PD6_IN, PD6_OUT,
+		PD5_IN, PD5_OUT,
+		PD4_IN, PD4_OUT,
+		PD3_IN, PD3_OUT,
+		PD2_IN, PD2_OUT,
+		PD1_IN, PD1_OUT,
+		PD0_IN, PD0_OUT }
+	},
+	{ PINMUX_CFG_REG("PDCRL4", 0xfffe3990, 16, 4) {
+		PD15MD_000, PD15MD_001, PD15MD_010, 0,
+		PD15MD_100, PD15MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD14MD_000, PD14MD_001, PD14MD_010, 0,
+		0, PD14MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD13MD_000, PD13MD_001, PD13MD_010, 0,
+		PD13MD_100, PD13MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD12MD_000, PD12MD_001, PD12MD_010, 0,
+		PD12MD_100, PD12MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PDCRL3", 0xfffe3992, 16, 4) {
+		PD11MD_000, PD11MD_001, PD11MD_010, 0,
+		PD11MD_100, PD11MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD10MD_000, PD10MD_001, PD10MD_010, 0,
+		PD10MD_100, PD10MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD9MD_000, PD9MD_001, PD9MD_010, 0,
+		PD9MD_100, PD9MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD8MD_000, PD8MD_001, PD8MD_010, 0,
+		PD8MD_100, PD8MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PDCRL2", 0xfffe3994, 16, 4) {
+		PD7MD_000, PD7MD_001, PD7MD_010, PD7MD_011,
+		PD7MD_100, PD7MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD6MD_000, PD6MD_001, PD6MD_010, PD6MD_011,
+		PD6MD_100, PD6MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD5MD_000, PD5MD_001, PD5MD_010, PD5MD_011,
+		PD5MD_100, PD5MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD4MD_000, PD4MD_001, PD4MD_010, PD4MD_011,
+		PD4MD_100, PD4MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PDCRL1", 0xfffe3996, 16, 4) {
+		PD3MD_000, PD3MD_001, PD3MD_010, PD3MD_011,
+		PD3MD_100, PD3MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD2MD_000, PD2MD_001, PD2MD_010, PD2MD_011,
+		PD2MD_100, PD2MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD1MD_000, PD1MD_001, PD1MD_010, PD1MD_011,
+		PD1MD_100, PD1MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PD0MD_000, PD0MD_001, PD0MD_010, PD0MD_011,
+		PD0MD_100, PD0MD_101, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PEIORL", 0xfffe3a06, 16, 1) {
+		PE15_IN, PE15_OUT,
+		PE14_IN, PE14_OUT,
+		PE13_IN, PE13_OUT,
+		PE12_IN, PE12_OUT,
+		PE11_IN, PE11_OUT,
+		PE10_IN, PE10_OUT,
+		PE9_IN, PE9_OUT,
+		PE8_IN, PE8_OUT,
+		PE7_IN, PE7_OUT,
+		PE6_IN, PE6_OUT,
+		PE5_IN, PE5_OUT,
+		PE4_IN, PE4_OUT,
+		PE3_IN, PE3_OUT,
+		PE2_IN, PE2_OUT,
+		PE1_IN, PE1_OUT,
+		PE0_IN, PE0_OUT }
+	},
+	{ PINMUX_CFG_REG("PECRL4", 0xfffe3a10, 16, 4) {
+		PE15MD_00, PE15MD_01, 0, PE15MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE14MD_00, PE14MD_01, 0, PE14MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE13MD_00, 0, 0, PE13MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE12MD_00, 0, 0, PE12MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PECRL3", 0xfffe3a12, 16, 4) {
+		PE11MD_000, PE11MD_001, PE11MD_010, 0,
+		PE11MD_100, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE10MD_000, PE10MD_001, PE10MD_010, 0,
+		PE10MD_100, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE9MD_00, PE9MD_01, PE9MD_10, PE9MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE8MD_00, PE8MD_01, PE8MD_10, PE8MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PECRL2", 0xfffe3a14, 16, 4) {
+		PE7MD_000, PE7MD_001, PE7MD_010, PE7MD_011,
+		PE7MD_100, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE6MD_000, PE6MD_001, PE6MD_010, PE6MD_011,
+		PE6MD_100, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE5MD_000, PE5MD_001, PE5MD_010, PE5MD_011,
+		PE5MD_100, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE4MD_000, PE4MD_001, PE4MD_010, PE4MD_011,
+		PE4MD_100, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PECRL1", 0xfffe3a16, 16, 4) {
+		PE3MD_00, PE3MD_01, 0, PE3MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE2MD_00, PE2MD_01, 0, PE2MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE1MD_00, PE1MD_01, PE1MD_10, PE1MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PE0MD_000, PE0MD_001, 0, PE0MD_011,
+		PE0MD_100, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFIORH", 0xfffe3a84, 16, 1) {
+		0, 0,
+		PF30_IN, PF30_OUT,
+		PF29_IN, PF29_OUT,
+		PF28_IN, PF28_OUT,
+		PF27_IN, PF27_OUT,
+		PF26_IN, PF26_OUT,
+		PF25_IN, PF25_OUT,
+		PF24_IN, PF24_OUT,
+		PF23_IN, PF23_OUT,
+		PF22_IN, PF22_OUT,
+		PF21_IN, PF21_OUT,
+		PF20_IN, PF20_OUT,
+		PF19_IN, PF19_OUT,
+		PF18_IN, PF18_OUT,
+		PF17_IN, PF17_OUT,
+		PF16_IN, PF16_OUT }
+	},
+	{ PINMUX_CFG_REG("PFIORL", 0xfffe3a86, 16, 1) {
+		PF15_IN, PF15_OUT,
+		PF14_IN, PF14_OUT,
+		PF13_IN, PF13_OUT,
+		PF12_IN, PF12_OUT,
+		PF11_IN, PF11_OUT,
+		PF10_IN, PF10_OUT,
+		PF9_IN, PF9_OUT,
+		PF8_IN, PF8_OUT,
+		PF7_IN, PF7_OUT,
+		PF6_IN, PF6_OUT,
+		PF5_IN, PF5_OUT,
+		PF4_IN, PF4_OUT,
+		PF3_IN, PF3_OUT,
+		PF2_IN, PF2_OUT,
+		PF1_IN, PF1_OUT,
+		PF0_IN, PF0_OUT }
+	},
+	{ PINMUX_CFG_REG("PFCRH4", 0xfffe3a88, 16, 4) {
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF30MD_0, PF30MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF29MD_0, PF29MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF28MD_0, PF28MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFCRH3", 0xfffe3a8a, 16, 4) {
+		PF27MD_0, PF27MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF26MD_0, PF26MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF25MD_0, PF25MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF24MD_0, PF24MD_1,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFCRH2", 0xfffe3a8c, 16, 4) {
+		PF23MD_00, PF23MD_01, PF23MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF22MD_00, PF22MD_01, PF22MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF21MD_00, PF21MD_01, PF21MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF20MD_00, PF20MD_01, PF20MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFCRH1", 0xfffe3a8e, 16, 4) {
+		PF19MD_00, PF19MD_01, PF19MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF18MD_00, PF18MD_01, PF18MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF17MD_00, PF17MD_01, PF17MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF16MD_00, PF16MD_01, PF16MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFCRL4", 0xfffe3a90, 16, 4) {
+		PF15MD_00, PF15MD_01, PF15MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF14MD_00, PF14MD_01, PF14MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF13MD_00, PF13MD_01, PF13MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF12MD_00, PF12MD_01, PF12MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFCRL3", 0xfffe3a92, 16, 4) {
+		PF11MD_00, PF11MD_01, PF11MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF10MD_00, PF10MD_01, PF10MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF9MD_00, PF9MD_01, PF9MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF8MD_00, PF8MD_01, PF8MD_10, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFCRL2", 0xfffe3a94, 16, 4) {
+		PF7MD_00, PF7MD_01, PF7MD_10, PF7MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF6MD_00, PF6MD_01, PF6MD_10, PF6MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF5MD_00, PF5MD_01, PF5MD_10, PF5MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF4MD_00, PF4MD_01, PF4MD_10, PF4MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PFCRL1", 0xfffe3a96, 16, 4) {
+		PF3MD_00, PF3MD_01, PF3MD_10, PF3MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF2MD_00, PF2MD_01, PF2MD_10, PF2MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF1MD_00, PF1MD_01, PF1MD_10, PF1MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+
+		PF0MD_00, PF0MD_01, PF0MD_10, PF0MD_11,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{}
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PADRL", 0xfffe3802, 16) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PA7_DATA, PA6_DATA, PA5_DATA, PA4_DATA,
+		PA3_DATA, PA2_DATA, PA1_DATA, PA0_DATA }
+	},
+	{ PINMUX_DATA_REG("PBDRL", 0xfffe3882, 16) {
+		0, 0, 0, PB12_DATA,
+		PB11_DATA, PB10_DATA, PB9_DATA, PB8_DATA,
+		PB7_DATA, PB6_DATA, PB5_DATA, PB4_DATA,
+		PB3_DATA, PB2_DATA, PB1_DATA, PB0_DATA }
+	},
+	{ PINMUX_DATA_REG("PCDRL", 0xfffe3902, 16) {
+		0, PC14_DATA, PC13_DATA, PC12_DATA,
+		PC11_DATA, PC10_DATA, PC9_DATA, PC8_DATA,
+		PC7_DATA, PC6_DATA, PC5_DATA, PC4_DATA,
+		PC3_DATA, PC2_DATA, PC1_DATA, PC0_DATA }
+	},
+	{ PINMUX_DATA_REG("PDDRL", 0xfffe3982, 16) {
+		PD15_DATA, PD14_DATA, PD13_DATA, PD12_DATA,
+		PD11_DATA, PD10_DATA, PD9_DATA, PD8_DATA,
+		PD7_DATA, PD6_DATA, PD5_DATA, PD4_DATA,
+		PD3_DATA, PD2_DATA, PD1_DATA, PD0_DATA }
+	},
+	{ PINMUX_DATA_REG("PEDRL", 0xfffe3a02, 16) {
+		PE15_DATA, PE14_DATA, PE13_DATA, PE12_DATA,
+		PE11_DATA, PE10_DATA, PE9_DATA, PE8_DATA,
+		PE7_DATA, PE6_DATA, PE5_DATA, PE4_DATA,
+		PE3_DATA, PE2_DATA, PE1_DATA, PE0_DATA }
+	},
+	{ PINMUX_DATA_REG("PFDRH", 0xfffe3a80, 16) {
+		0, PF30_DATA, PF29_DATA, PF28_DATA,
+		PF27_DATA, PF26_DATA, PF25_DATA, PF24_DATA,
+		PF23_DATA, PF22_DATA, PF21_DATA, PF20_DATA,
+		PF19_DATA, PF18_DATA, PF17_DATA, PF16_DATA }
+	},
+	{ PINMUX_DATA_REG("PFDRL", 0xfffe3a82, 16) {
+		PF15_DATA, PF14_DATA, PF13_DATA, PF12_DATA,
+		PF11_DATA, PF10_DATA, PF9_DATA, PF8_DATA,
+		PF7_DATA, PF6_DATA, PF5_DATA, PF4_DATA,
+		PF3_DATA, PF2_DATA, PF1_DATA, PF0_DATA }
+	},
+	{ },
+};
+
+static struct pinmux_info sh7203_pinmux_info = {
+	.name = "sh7203_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PA7,
+	.last_gpio = GPIO_FN_LCD_DATA0,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+static int __init plat_pinmux_setup(void)
+{
+	return register_pinmux(&sh7203_pinmux_info);
+}
+
+arch_initcall(plat_pinmux_setup);
-- 
GitLab


From 7a5c679b52d06471b0b08a39ed5c9e843eab13dd Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:42:38 +0900
Subject: [PATCH 1298/2224] sh: Use sh7203 GPIO on rsk7203 board

Make the rsk7203 board use the newly added sh7203 pinmux code.
Only a single LED plus the serial console pins for now.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/Kconfig         |  1 +
 arch/sh/boards/board-rsk7203.c | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 2a059191efe..6c4cbf15ce8 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -128,6 +128,7 @@ config SH_RTS7751R2D
 
 config SH_RSK7203
 	bool "RSK7203"
+	select GENERIC_GPIO
 	depends on CPU_SUBTYPE_SH7203
 
 config SH_SDK7780
diff --git a/arch/sh/boards/board-rsk7203.c b/arch/sh/boards/board-rsk7203.c
index ffbedc59a97..ded799cf3ea 100644
--- a/arch/sh/boards/board-rsk7203.c
+++ b/arch/sh/boards/board-rsk7203.c
@@ -16,8 +16,10 @@
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/map.h>
 #include <linux/smc911x.h>
+#include <linux/gpio.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
+#include <asm/sh7203.h>
 
 static struct smc911x_platdata smc911x_info = {
 	.flags		= SMC911X_USE_16BIT,
@@ -122,6 +124,15 @@ static struct platform_device *rsk7203_devices[] __initdata = {
 
 static int __init rsk7203_devices_setup(void)
 {
+	/* Select pins for SCIF0 */
+	gpio_request(GPIO_FN_TXD0, NULL);
+	gpio_request(GPIO_FN_RXD0, NULL);
+
+	/* Lit LED0 */
+	gpio_request(GPIO_PE10, NULL);
+	gpio_direction_output(GPIO_PE10, 0);
+	gpio_export(GPIO_PE10, 0);
+
 	set_mtd_partitions();
 	return platform_add_devices(rsk7203_devices,
 				    ARRAY_SIZE(rsk7203_devices));
-- 
GitLab


From c9c3c1b74d3fa304884b5f42bfaffcf71ac6a96c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:42:46 +0900
Subject: [PATCH 1299/2224] sh: Add sh7720 pinmux code

This patch adds pinmux and gpio support for the sh7720 processor.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/sh7720.h           |  174 ++++
 arch/sh/kernel/cpu/sh3/Makefile        |    4 +
 arch/sh/kernel/cpu/sh3/pinmux-sh7720.c | 1242 ++++++++++++++++++++++++
 3 files changed, 1420 insertions(+)
 create mode 100644 arch/sh/include/asm/sh7720.h
 create mode 100644 arch/sh/kernel/cpu/sh3/pinmux-sh7720.c

diff --git a/arch/sh/include/asm/sh7720.h b/arch/sh/include/asm/sh7720.h
new file mode 100644
index 00000000000..41c1406d6da
--- /dev/null
+++ b/arch/sh/include/asm/sh7720.h
@@ -0,0 +1,174 @@
+#ifndef __ASM_SH7720_H__
+#define __ASM_SH7720_H__
+
+enum {
+	/* PTA */
+	GPIO_PTA7, GPIO_PTA6, GPIO_PTA5, GPIO_PTA4,
+	GPIO_PTA3, GPIO_PTA2, GPIO_PTA1, GPIO_PTA0,
+
+	/* PTB */
+	GPIO_PTB7, GPIO_PTB6, GPIO_PTB5, GPIO_PTB4,
+	GPIO_PTB3, GPIO_PTB2, GPIO_PTB1, GPIO_PTB0,
+
+	/* PTC */
+	GPIO_PTC7, GPIO_PTC6, GPIO_PTC5, GPIO_PTC4,
+	GPIO_PTC3, GPIO_PTC2, GPIO_PTC1, GPIO_PTC0,
+
+	/* PTD */
+	GPIO_PTD7, GPIO_PTD6, GPIO_PTD5, GPIO_PTD4,
+	GPIO_PTD3, GPIO_PTD2, GPIO_PTD1, GPIO_PTD0,
+
+	/* PTE */
+	GPIO_PTE6, GPIO_PTE5, GPIO_PTE4, GPIO_PTE3,
+	GPIO_PTE2, GPIO_PTE1, GPIO_PTE0,
+
+	/* PTF */
+	GPIO_PTF6, GPIO_PTF5, GPIO_PTF4, GPIO_PTF3,
+	GPIO_PTF2, GPIO_PTF1, GPIO_PTF0, GPIO_PTG6,
+
+	/* PTG */
+	GPIO_PTG5, GPIO_PTG4, GPIO_PTG3, GPIO_PTG2,
+	GPIO_PTG1, GPIO_PTG0,
+
+	/* PTH */
+	GPIO_PTH6, GPIO_PTH5, GPIO_PTH4, GPIO_PTH3,
+	GPIO_PTH2, GPIO_PTH1, GPIO_PTH0,
+
+	/* PTJ */
+	GPIO_PTJ6, GPIO_PTJ5, GPIO_PTJ4, GPIO_PTJ3,
+	GPIO_PTJ2, GPIO_PTJ1, GPIO_PTJ0,
+
+	/* PTK */
+	GPIO_PTK3, GPIO_PTK2, GPIO_PTK1, GPIO_PTK0,
+
+	/* PTL */
+	GPIO_PTL7, GPIO_PTL6, GPIO_PTL5, GPIO_PTL4, GPIO_PTL3,
+
+	/* PTM */
+	GPIO_PTM7, GPIO_PTM6, GPIO_PTM5, GPIO_PTM4,
+	GPIO_PTM3, GPIO_PTM2, GPIO_PTM1, GPIO_PTM0,
+
+	/* PTP */
+	GPIO_PTP4, GPIO_PTP3, GPIO_PTP2, GPIO_PTP1, GPIO_PTP0,
+
+	/* PTR */
+	GPIO_PTR7, GPIO_PTR6, GPIO_PTR5, GPIO_PTR4,
+	GPIO_PTR3, GPIO_PTR2, GPIO_PTR1, GPIO_PTR0,
+
+	/* PTS */
+	GPIO_PTS4, GPIO_PTS3, GPIO_PTS2, GPIO_PTS1, GPIO_PTS0,
+
+	/* PTT */
+	GPIO_PTT4, GPIO_PTT3, GPIO_PTT2, GPIO_PTT1, GPIO_PTT0,
+
+	/* PTU */
+	GPIO_PTU4, GPIO_PTU3, GPIO_PTU2, GPIO_PTU1, GPIO_PTU0,
+
+	/* PTV */
+	GPIO_PTV4, GPIO_PTV3, GPIO_PTV2, GPIO_PTV1, GPIO_PTV0,
+
+	/* BSC */
+	GPIO_FN_D31, GPIO_FN_D30, GPIO_FN_D29, GPIO_FN_D28,
+	GPIO_FN_D27, GPIO_FN_D26, GPIO_FN_D25, GPIO_FN_D24,
+	GPIO_FN_D23, GPIO_FN_D22, GPIO_FN_D21, GPIO_FN_D20,
+	GPIO_FN_D19, GPIO_FN_D18, GPIO_FN_D17, GPIO_FN_D16,
+	GPIO_FN_IOIS16, GPIO_FN_RAS, GPIO_FN_CAS, GPIO_FN_CKE,
+	GPIO_FN_CS5B_CE1A, GPIO_FN_CS6B_CE1B,
+	GPIO_FN_A25, GPIO_FN_A24, GPIO_FN_A23, GPIO_FN_A22,
+	GPIO_FN_A21, GPIO_FN_A20, GPIO_FN_A19, GPIO_FN_A0,
+	GPIO_FN_REFOUT, GPIO_FN_IRQOUT,
+
+	/* LCDC */
+	GPIO_FN_LCD_DATA15, GPIO_FN_LCD_DATA14,
+	GPIO_FN_LCD_DATA13, GPIO_FN_LCD_DATA12,
+	GPIO_FN_LCD_DATA11, GPIO_FN_LCD_DATA10,
+	GPIO_FN_LCD_DATA9, GPIO_FN_LCD_DATA8,
+	GPIO_FN_LCD_DATA7, GPIO_FN_LCD_DATA6,
+	GPIO_FN_LCD_DATA5, GPIO_FN_LCD_DATA4,
+	GPIO_FN_LCD_DATA3, GPIO_FN_LCD_DATA2,
+	GPIO_FN_LCD_DATA1, GPIO_FN_LCD_DATA0,
+	GPIO_FN_LCD_M_DISP,
+	GPIO_FN_LCD_CL1, GPIO_FN_LCD_CL2,
+	GPIO_FN_LCD_DON, GPIO_FN_LCD_FLM,
+	GPIO_FN_LCD_VEPWC, GPIO_FN_LCD_VCPWC,
+
+	/* AFEIF */
+	GPIO_FN_AFE_RXIN, GPIO_FN_AFE_RDET,
+	GPIO_FN_AFE_FS, GPIO_FN_AFE_TXOUT,
+	GPIO_FN_AFE_SCLK, GPIO_FN_AFE_RLYCNT,
+	GPIO_FN_AFE_HC1,
+
+	/* IIC */
+	GPIO_FN_IIC_SCL, GPIO_FN_IIC_SDA,
+
+	/* DAC */
+	GPIO_FN_DA1, GPIO_FN_DA0,
+
+	/* ADC */
+	GPIO_FN_AN3, GPIO_FN_AN2, GPIO_FN_AN1, GPIO_FN_AN0, GPIO_FN_ADTRG,
+
+	/* USB */
+	GPIO_FN_USB1D_RCV, GPIO_FN_USB1D_TXSE0,
+	GPIO_FN_USB1D_TXDPLS, GPIO_FN_USB1D_DMNS,
+	GPIO_FN_USB1D_DPLS, GPIO_FN_USB1D_SPEED,
+	GPIO_FN_USB1D_TXENL, GPIO_FN_USB2_PWR_EN,
+	GPIO_FN_USB1_PWR_EN_USBF_UPLUP, GPIO_FN_USB1D_SUSPEND,
+
+	/* INTC */
+	GPIO_FN_IRQ5, GPIO_FN_IRQ4,
+	GPIO_FN_IRQ3_IRL3, GPIO_FN_IRQ2_IRL2,
+	GPIO_FN_IRQ1_IRL1, GPIO_FN_IRQ0_IRL0,
+
+	/* PCC */
+	GPIO_FN_PCC_REG, GPIO_FN_PCC_DRV,
+	GPIO_FN_PCC_BVD2, GPIO_FN_PCC_BVD1,
+	GPIO_FN_PCC_CD2, GPIO_FN_PCC_CD1,
+	GPIO_FN_PCC_RESET, GPIO_FN_PCC_RDY,
+	GPIO_FN_PCC_VS2, GPIO_FN_PCC_VS1,
+
+	/* HUDI */
+	GPIO_FN_AUDATA3, GPIO_FN_AUDATA2, GPIO_FN_AUDATA1, GPIO_FN_AUDATA0,
+	GPIO_FN_AUDCK, GPIO_FN_AUDSYNC, GPIO_FN_ASEBRKAK, GPIO_FN_TRST,
+	GPIO_FN_TMS, GPIO_FN_TDO, GPIO_FN_TDI, GPIO_FN_TCK,
+
+	/* DMAC */
+	GPIO_FN_DACK1, GPIO_FN_DREQ1, GPIO_FN_DACK0, GPIO_FN_DREQ0,
+	GPIO_FN_TEND1, GPIO_FN_TEND0,
+
+	/* SIOF0 */
+	GPIO_FN_SIOF0_SYNC, GPIO_FN_SIOF0_MCLK,
+	GPIO_FN_SIOF0_TXD, GPIO_FN_SIOF0_RXD,
+	GPIO_FN_SIOF0_SCK,
+
+	/* SIOF1 */
+	GPIO_FN_SIOF1_SYNC, GPIO_FN_SIOF1_MCLK,
+	GPIO_FN_SIOF1_TXD, GPIO_FN_SIOF1_RXD,
+	GPIO_FN_SIOF1_SCK,
+
+	/* SCIF0 */
+	GPIO_FN_SCIF0_TXD, GPIO_FN_SCIF0_RXD,
+	GPIO_FN_SCIF0_RTS, GPIO_FN_SCIF0_CTS, GPIO_FN_SCIF0_SCK,
+
+	/* SCIF1 */
+	GPIO_FN_SCIF1_TXD, GPIO_FN_SCIF1_RXD,
+	GPIO_FN_SCIF1_RTS, GPIO_FN_SCIF1_CTS, GPIO_FN_SCIF1_SCK,
+
+	/* TPU */
+	GPIO_FN_TPU_TO1, GPIO_FN_TPU_TO0,
+	GPIO_FN_TPU_TI3B, GPIO_FN_TPU_TI3A,
+	GPIO_FN_TPU_TI2B, GPIO_FN_TPU_TI2A,
+	GPIO_FN_TPU_TO3, GPIO_FN_TPU_TO2,
+
+	/* SIM */
+	GPIO_FN_SIM_D, GPIO_FN_SIM_CLK, GPIO_FN_SIM_RST,
+
+	/* MMC */
+	GPIO_FN_MMC_DAT, GPIO_FN_MMC_CMD,
+	GPIO_FN_MMC_CLK, GPIO_FN_MMC_VDDON,
+	GPIO_FN_MMC_ODMOD,
+
+	/* SYSC */
+	GPIO_FN_STATUS0, GPIO_FN_STATUS1,
+};
+
+#endif /* __ASM_SH7720_H__ */
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index 511de55af83..e07c69e16d9 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -24,4 +24,8 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7710)	:= clock-sh7710.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7720)	:= clock-sh7710.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7712)	:= clock-sh7712.o
 
+# Pinmux setup
+pinmux-$(CONFIG_CPU_SUBTYPE_SH7720)	:= pinmux-sh7720.o
+
 obj-y	+= $(clock-y)
+obj-$(CONFIG_GENERIC_GPIO)	+= $(pinmux-y)
diff --git a/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c b/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
new file mode 100644
index 00000000000..b66c239509a
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
@@ -0,0 +1,1242 @@
+/*
+ * SH7720 Pinmux
+ *
+ *  Copyright (C) 2008  Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <asm/sh7720.h>
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	PINMUX_DATA_BEGIN,
+	PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+	PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA,
+	PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+	PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA,
+	PTC7_DATA, PTC6_DATA, PTC5_DATA, PTC4_DATA,
+	PTC3_DATA, PTC2_DATA, PTC1_DATA, PTC0_DATA,
+	PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+	PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA,
+	PTE6_DATA, PTE5_DATA, PTE4_DATA,
+	PTE3_DATA, PTE2_DATA, PTE1_DATA, PTE0_DATA,
+	PTF6_DATA, PTF5_DATA, PTF4_DATA,
+	PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA,
+	PTG6_DATA, PTG5_DATA, PTG4_DATA,
+	PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA,
+	PTH6_DATA, PTH5_DATA, PTH4_DATA,
+	PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA,
+	PTJ6_DATA, PTJ5_DATA, PTJ4_DATA,
+	PTJ3_DATA, PTJ2_DATA, PTJ1_DATA, PTJ0_DATA,
+	PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA,
+	PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA, PTL3_DATA,
+	PTM7_DATA, PTM6_DATA, PTM5_DATA, PTM4_DATA,
+	PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA,
+	PTP4_DATA, PTP3_DATA, PTP2_DATA, PTP1_DATA, PTP0_DATA,
+	PTR7_DATA, PTR6_DATA, PTR5_DATA, PTR4_DATA,
+	PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA,
+	PTS4_DATA, PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA,
+	PTT4_DATA, PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA,
+	PTU4_DATA, PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA,
+	PTV4_DATA, PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA,
+	PINMUX_DATA_END,
+
+	PINMUX_INPUT_BEGIN,
+	PTA7_IN, PTA6_IN, PTA5_IN, PTA4_IN,
+	PTA3_IN, PTA2_IN, PTA1_IN, PTA0_IN,
+	PTB7_IN, PTB6_IN, PTB5_IN, PTB4_IN,
+	PTB3_IN, PTB2_IN, PTB1_IN, PTB0_IN,
+	PTC7_IN, PTC6_IN, PTC5_IN, PTC4_IN,
+	PTC3_IN, PTC2_IN, PTC1_IN, PTC0_IN,
+	PTD7_IN, PTD6_IN, PTD5_IN, PTD4_IN,
+	PTD3_IN, PTD2_IN, PTD1_IN, PTD0_IN,
+	PTE6_IN, PTE5_IN, PTE4_IN,
+	PTE3_IN, PTE2_IN, PTE1_IN, PTE0_IN,
+	PTF6_IN, PTF5_IN, PTF4_IN,
+	PTF3_IN, PTF2_IN, PTF1_IN, PTF0_IN,
+	PTG6_IN, PTG5_IN, PTG4_IN,
+	PTG3_IN, PTG2_IN, PTG1_IN, PTG0_IN,
+	PTH6_IN, PTH5_IN, PTH4_IN,
+	PTH3_IN, PTH2_IN, PTH1_IN, PTH0_IN,
+	PTJ6_IN, PTJ5_IN, PTJ4_IN,
+	PTJ3_IN, PTJ2_IN, PTJ1_IN, PTJ0_IN,
+	PTK3_IN, PTK2_IN, PTK1_IN, PTK0_IN,
+	PTL7_IN, PTL6_IN, PTL5_IN, PTL4_IN, PTL3_IN,
+	PTM7_IN, PTM6_IN, PTM5_IN, PTM4_IN,
+	PTM3_IN, PTM2_IN, PTM1_IN, PTM0_IN,
+	PTP4_IN, PTP3_IN, PTP2_IN, PTP1_IN, PTP0_IN,
+	PTR7_IN, PTR6_IN, PTR5_IN, PTR4_IN,
+	PTR3_IN, PTR2_IN, PTR1_IN, PTR0_IN,
+	PTS4_IN, PTS3_IN, PTS2_IN, PTS1_IN, PTS0_IN,
+	PTT4_IN, PTT3_IN, PTT2_IN, PTT1_IN, PTT0_IN,
+	PTU4_IN, PTU3_IN, PTU2_IN, PTU1_IN, PTU0_IN,
+	PTV4_IN, PTV3_IN, PTV2_IN, PTV1_IN, PTV0_IN,
+	PINMUX_INPUT_END,
+
+	PINMUX_INPUT_PULLUP_BEGIN,
+	PTA7_IN_PU, PTA6_IN_PU, PTA5_IN_PU, PTA4_IN_PU,
+	PTA3_IN_PU, PTA2_IN_PU, PTA1_IN_PU, PTA0_IN_PU,
+	PTB7_IN_PU, PTB6_IN_PU, PTB5_IN_PU, PTB4_IN_PU,
+	PTB3_IN_PU, PTB2_IN_PU, PTB1_IN_PU, PTB0_IN_PU,
+	PTC7_IN_PU, PTC6_IN_PU, PTC5_IN_PU, PTC4_IN_PU,
+	PTC3_IN_PU, PTC2_IN_PU, PTC1_IN_PU, PTC0_IN_PU,
+	PTD7_IN_PU, PTD6_IN_PU, PTD5_IN_PU, PTD4_IN_PU,
+	PTD3_IN_PU, PTD2_IN_PU, PTD1_IN_PU, PTD0_IN_PU,
+	PTE4_IN_PU, PTE3_IN_PU, PTE2_IN_PU, PTE1_IN_PU, PTE0_IN_PU,
+	PTF0_IN_PU,
+	PTG6_IN_PU, PTG5_IN_PU, PTG4_IN_PU,
+	PTG3_IN_PU, PTG2_IN_PU, PTG1_IN_PU, PTG0_IN_PU,
+	PTH6_IN_PU, PTH5_IN_PU, PTH4_IN_PU,
+	PTH3_IN_PU, PTH2_IN_PU, PTH1_IN_PU, PTH0_IN_PU,
+	PTJ6_IN_PU, PTJ5_IN_PU, PTJ4_IN_PU,
+	PTJ3_IN_PU, PTJ2_IN_PU, PTJ1_IN_PU, PTJ0_IN_PU,
+	PTK3_IN_PU, PTK2_IN_PU, PTK1_IN_PU, PTK0_IN_PU,
+	PTL7_IN_PU, PTL6_IN_PU, PTL5_IN_PU, PTL4_IN_PU, PTL3_IN_PU,
+	PTM7_IN_PU, PTM6_IN_PU, PTM5_IN_PU, PTM4_IN_PU,
+	PTM3_IN_PU, PTM2_IN_PU, PTM1_IN_PU, PTM0_IN_PU,
+	PTP4_IN_PU, PTP3_IN_PU, PTP2_IN_PU, PTP1_IN_PU, PTP0_IN_PU,
+	PTR7_IN_PU, PTR6_IN_PU, PTR5_IN_PU, PTR4_IN_PU,
+	PTR3_IN_PU, PTR2_IN_PU, PTR1_IN_PU, PTR0_IN_PU,
+	PTS4_IN_PU, PTS3_IN_PU, PTS2_IN_PU, PTS1_IN_PU, PTS0_IN_PU,
+	PTT4_IN_PU, PTT3_IN_PU, PTT2_IN_PU, PTT1_IN_PU, PTT0_IN_PU,
+	PTU4_IN_PU, PTU3_IN_PU, PTU2_IN_PU, PTU1_IN_PU, PTU0_IN_PU,
+	PTV4_IN_PU, PTV3_IN_PU, PTV2_IN_PU, PTV1_IN_PU, PTV0_IN_PU,
+	PINMUX_INPUT_PULLUP_END,
+
+	PINMUX_OUTPUT_BEGIN,
+	PTA7_OUT, PTA6_OUT, PTA5_OUT, PTA4_OUT,
+	PTA3_OUT, PTA2_OUT, PTA1_OUT, PTA0_OUT,
+	PTB7_OUT, PTB6_OUT, PTB5_OUT, PTB4_OUT,
+	PTB3_OUT, PTB2_OUT, PTB1_OUT, PTB0_OUT,
+	PTC7_OUT, PTC6_OUT, PTC5_OUT, PTC4_OUT,
+	PTC3_OUT, PTC2_OUT, PTC1_OUT, PTC0_OUT,
+	PTD7_OUT, PTD6_OUT, PTD5_OUT, PTD4_OUT,
+	PTD3_OUT, PTD2_OUT, PTD1_OUT, PTD0_OUT,
+	PTE4_OUT, PTE3_OUT, PTE2_OUT, PTE1_OUT, PTE0_OUT,
+	PTF0_OUT,
+	PTG6_OUT, PTG5_OUT, PTG4_OUT,
+	PTG3_OUT, PTG2_OUT, PTG1_OUT, PTG0_OUT,
+	PTH6_OUT, PTH5_OUT, PTH4_OUT,
+	PTH3_OUT, PTH2_OUT, PTH1_OUT, PTH0_OUT,
+	PTJ6_OUT, PTJ5_OUT, PTJ4_OUT,
+	PTJ3_OUT, PTJ2_OUT, PTJ1_OUT, PTJ0_OUT,
+	PTK3_OUT, PTK2_OUT, PTK1_OUT, PTK0_OUT,
+	PTL7_OUT, PTL6_OUT, PTL5_OUT, PTL4_OUT, PTL3_OUT,
+	PTM7_OUT, PTM6_OUT, PTM5_OUT, PTM4_OUT,
+	PTM3_OUT, PTM2_OUT, PTM1_OUT, PTM0_OUT,
+	PTP4_OUT, PTP3_OUT, PTP2_OUT, PTP1_OUT, PTP0_OUT,
+	PTR7_OUT, PTR6_OUT, PTR5_OUT, PTR4_OUT,
+	PTR3_OUT, PTR2_OUT, PTR1_OUT, PTR0_OUT,
+	PTS4_OUT, PTS3_OUT, PTS2_OUT, PTS1_OUT, PTS0_OUT,
+	PTT4_OUT, PTT3_OUT, PTT2_OUT, PTT1_OUT, PTT0_OUT,
+	PTU4_OUT, PTU3_OUT, PTU2_OUT, PTU1_OUT, PTU0_OUT,
+	PTV4_OUT, PTV3_OUT, PTV2_OUT, PTV1_OUT, PTV0_OUT,
+	PINMUX_OUTPUT_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	PTA7_FN, PTA6_FN, PTA5_FN, PTA4_FN,
+	PTA3_FN, PTA2_FN, PTA1_FN, PTA0_FN,
+	PTB7_FN, PTB6_FN, PTB5_FN, PTB4_FN,
+	PTB3_FN, PTB2_FN, PTB1_FN, PTB0_FN,
+	PTC7_FN, PTC6_FN, PTC5_FN, PTC4_FN,
+	PTC3_FN, PTC2_FN, PTC1_FN, PTC0_FN,
+	PTD7_FN, PTD6_FN, PTD5_FN, PTD4_FN,
+	PTD3_FN, PTD2_FN, PTD1_FN, PTD0_FN,
+	PTE6_FN, PTE5_FN, PTE4_FN,
+	PTE3_FN, PTE2_FN, PTE1_FN, PTE0_FN,
+	PTF6_FN, PTF5_FN, PTF4_FN,
+	PTF3_FN, PTF2_FN, PTF1_FN, PTF0_FN,
+	PTG6_FN, PTG5_FN, PTG4_FN,
+	PTG3_FN, PTG2_FN, PTG1_FN, PTG0_FN,
+	PTH6_FN, PTH5_FN, PTH4_FN,
+	PTH3_FN, PTH2_FN, PTH1_FN, PTH0_FN,
+	PTJ6_FN, PTJ5_FN, PTJ4_FN,
+	PTJ3_FN, PTJ2_FN, PTJ1_FN, PTJ0_FN,
+	PTK3_FN, PTK2_FN, PTK1_FN, PTK0_FN,
+	PTL7_FN, PTL6_FN, PTL5_FN, PTL4_FN, PTL3_FN,
+	PTM7_FN, PTM6_FN, PTM5_FN, PTM4_FN,
+	PTM3_FN, PTM2_FN, PTM1_FN, PTM0_FN,
+	PTP4_FN, PTP3_FN, PTP2_FN, PTP1_FN, PTP0_FN,
+	PTR7_FN, PTR6_FN, PTR5_FN, PTR4_FN,
+	PTR3_FN, PTR2_FN, PTR1_FN, PTR0_FN,
+	PTS4_FN, PTS3_FN, PTS2_FN, PTS1_FN, PTS0_FN,
+	PTT4_FN, PTT3_FN, PTT2_FN, PTT1_FN, PTT0_FN,
+	PTU4_FN, PTU3_FN, PTU2_FN, PTU1_FN, PTU0_FN,
+	PTV4_FN, PTV3_FN, PTV2_FN, PTV1_FN, PTV0_FN,
+
+	PSELA_1_0_00, PSELA_1_0_01, PSELA_1_0_10,
+	PSELA_3_2_00, PSELA_3_2_01, PSELA_3_2_10, PSELA_3_2_11,
+	PSELA_5_4_00, PSELA_5_4_01, PSELA_5_4_10, PSELA_5_4_11,
+	PSELA_7_6_00, PSELA_7_6_01, PSELA_7_6_10,
+	PSELA_9_8_00, PSELA_9_8_01, PSELA_9_8_10,
+	PSELA_11_10_00, PSELA_11_10_01, PSELA_11_10_10,
+	PSELA_13_12_00, PSELA_13_12_10,
+	PSELA_15_14_00, PSELA_15_14_10,
+	PSELB_9_8_00, PSELB_9_8_11,
+	PSELB_11_10_00, PSELB_11_10_01, PSELB_11_10_10, PSELB_11_10_11,
+	PSELB_13_12_00, PSELB_13_12_01, PSELB_13_12_10, PSELB_13_12_11,
+	PSELB_15_14_00, PSELB_15_14_11,
+	PSELC_9_8_00, PSELC_9_8_10,
+	PSELC_11_10_00, PSELC_11_10_10,
+	PSELC_13_12_00,	PSELC_13_12_01,	PSELC_13_12_10,
+	PSELC_15_14_00,	PSELC_15_14_01,	PSELC_15_14_10,
+	PSELD_1_0_00, PSELD_1_0_10,
+	PSELD_11_10_00,	PSELD_11_10_01,
+	PSELD_15_14_00,	PSELD_15_14_01,	PSELD_15_14_10,
+	PINMUX_FUNCTION_END,
+
+	PINMUX_MARK_BEGIN,
+	D31_MARK, D30_MARK, D29_MARK, D28_MARK,
+	D27_MARK, D26_MARK, D25_MARK, D24_MARK,
+	D23_MARK, D22_MARK, D21_MARK, D20_MARK,
+	D19_MARK, D18_MARK, D17_MARK, D16_MARK,
+	IOIS16_MARK, RAS_MARK, CAS_MARK, CKE_MARK,
+	CS5B_CE1A_MARK, CS6B_CE1B_MARK,
+	A25_MARK, A24_MARK, A23_MARK, A22_MARK,
+	A21_MARK, A20_MARK, A19_MARK, A0_MARK,
+	REFOUT_MARK, IRQOUT_MARK,
+	LCD_DATA15_MARK, LCD_DATA14_MARK,
+	LCD_DATA13_MARK, LCD_DATA12_MARK,
+	LCD_DATA11_MARK, LCD_DATA10_MARK,
+	LCD_DATA9_MARK, LCD_DATA8_MARK,
+	LCD_DATA7_MARK, LCD_DATA6_MARK,
+	LCD_DATA5_MARK, LCD_DATA4_MARK,
+	LCD_DATA3_MARK, LCD_DATA2_MARK,
+	LCD_DATA1_MARK, LCD_DATA0_MARK,
+	LCD_M_DISP_MARK,
+	LCD_CL1_MARK, LCD_CL2_MARK,
+	LCD_DON_MARK, LCD_FLM_MARK,
+	LCD_VEPWC_MARK, LCD_VCPWC_MARK,
+	AFE_RXIN_MARK, AFE_RDET_MARK,
+	AFE_FS_MARK, AFE_TXOUT_MARK,
+	AFE_SCLK_MARK, AFE_RLYCNT_MARK,
+	AFE_HC1_MARK,
+	IIC_SCL_MARK, IIC_SDA_MARK,
+	DA1_MARK, DA0_MARK,
+	AN3_MARK, AN2_MARK, AN1_MARK, AN0_MARK, ADTRG_MARK,
+	USB1D_RCV_MARK, USB1D_TXSE0_MARK,
+	USB1D_TXDPLS_MARK, USB1D_DMNS_MARK,
+	USB1D_DPLS_MARK, USB1D_SPEED_MARK,
+	USB1D_TXENL_MARK,
+	USB2_PWR_EN_MARK, USB1_PWR_EN_USBF_UPLUP_MARK, USB1D_SUSPEND_MARK,
+	IRQ5_MARK, IRQ4_MARK,
+	IRQ3_IRL3_MARK, IRQ2_IRL2_MARK,
+	IRQ1_IRL1_MARK, IRQ0_IRL0_MARK,
+	PCC_REG_MARK, PCC_DRV_MARK,
+	PCC_BVD2_MARK, PCC_BVD1_MARK,
+	PCC_CD2_MARK, PCC_CD1_MARK,
+	PCC_RESET_MARK, PCC_RDY_MARK,
+	PCC_VS2_MARK, PCC_VS1_MARK,
+	AUDATA3_MARK, AUDATA2_MARK, AUDATA1_MARK, AUDATA0_MARK,
+	AUDCK_MARK, AUDSYNC_MARK, ASEBRKAK_MARK, TRST_MARK,
+	TMS_MARK, TDO_MARK, TDI_MARK, TCK_MARK,
+	DACK1_MARK, DREQ1_MARK, DACK0_MARK, DREQ0_MARK,
+	TEND1_MARK, TEND0_MARK,
+	SIOF0_SYNC_MARK, SIOF0_MCLK_MARK,
+	SIOF0_TXD_MARK, SIOF0_RXD_MARK,
+	SIOF0_SCK_MARK,
+	SIOF1_SYNC_MARK, SIOF1_MCLK_MARK,
+	SIOF1_TXD_MARK, SIOF1_RXD_MARK,
+	SIOF1_SCK_MARK,
+	SCIF0_TXD_MARK, SCIF0_RXD_MARK,
+	SCIF0_RTS_MARK, SCIF0_CTS_MARK, SCIF0_SCK_MARK,
+	SCIF1_TXD_MARK, SCIF1_RXD_MARK,
+	SCIF1_RTS_MARK, SCIF1_CTS_MARK, SCIF1_SCK_MARK,
+	TPU_TO1_MARK, TPU_TO0_MARK,
+	TPU_TI3B_MARK, TPU_TI3A_MARK,
+	TPU_TI2B_MARK, TPU_TI2A_MARK,
+	TPU_TO3_MARK, TPU_TO2_MARK,
+	SIM_D_MARK, SIM_CLK_MARK, SIM_RST_MARK,
+	MMC_DAT_MARK, MMC_CMD_MARK,
+	MMC_CLK_MARK, MMC_VDDON_MARK,
+	MMC_ODMOD_MARK,
+	STATUS0_MARK, STATUS1_MARK,
+	PINMUX_MARK_END,
+};
+
+static pinmux_enum_t pinmux_data[] = {
+	/* PTA GPIO */
+	PINMUX_DATA(PTA7_DATA, PTA7_IN, PTA7_OUT, PTA7_IN_PU),
+	PINMUX_DATA(PTA6_DATA, PTA6_IN, PTA6_OUT, PTA6_IN_PU),
+	PINMUX_DATA(PTA5_DATA, PTA5_IN, PTA5_OUT, PTA5_IN_PU),
+	PINMUX_DATA(PTA4_DATA, PTA4_IN, PTA4_OUT, PTA4_IN_PU),
+	PINMUX_DATA(PTA3_DATA, PTA3_IN, PTA3_OUT, PTA3_IN_PU),
+	PINMUX_DATA(PTA2_DATA, PTA2_IN, PTA2_OUT, PTA2_IN_PU),
+	PINMUX_DATA(PTA1_DATA, PTA1_IN, PTA1_OUT, PTA1_IN_PU),
+	PINMUX_DATA(PTA0_DATA, PTA0_IN, PTA0_OUT, PTA0_IN_PU),
+
+	/* PTB GPIO */
+	PINMUX_DATA(PTB7_DATA, PTB7_IN, PTB7_OUT, PTB7_IN_PU),
+	PINMUX_DATA(PTB6_DATA, PTB6_IN, PTB6_OUT, PTB6_IN_PU),
+	PINMUX_DATA(PTB5_DATA, PTB5_IN, PTB5_OUT, PTB5_IN_PU),
+	PINMUX_DATA(PTB4_DATA, PTB4_IN, PTB4_OUT, PTB4_IN_PU),
+	PINMUX_DATA(PTB3_DATA, PTB3_IN, PTB3_OUT, PTB3_IN_PU),
+	PINMUX_DATA(PTB2_DATA, PTB2_IN, PTB2_OUT, PTB2_IN_PU),
+	PINMUX_DATA(PTB1_DATA, PTB1_IN, PTB1_OUT, PTB1_IN_PU),
+	PINMUX_DATA(PTB0_DATA, PTB0_IN, PTB0_OUT, PTB0_IN_PU),
+
+	/* PTC GPIO */
+	PINMUX_DATA(PTC7_DATA, PTC7_IN, PTC7_OUT, PTC7_IN_PU),
+	PINMUX_DATA(PTC6_DATA, PTC6_IN, PTC6_OUT, PTC6_IN_PU),
+	PINMUX_DATA(PTC5_DATA, PTC5_IN, PTC5_OUT, PTC5_IN_PU),
+	PINMUX_DATA(PTC4_DATA, PTC4_IN, PTC4_OUT, PTC4_IN_PU),
+	PINMUX_DATA(PTC3_DATA, PTC3_IN, PTC3_OUT, PTC3_IN_PU),
+	PINMUX_DATA(PTC2_DATA, PTC2_IN, PTC2_OUT, PTC2_IN_PU),
+	PINMUX_DATA(PTC1_DATA, PTC1_IN, PTC1_OUT, PTC1_IN_PU),
+	PINMUX_DATA(PTC0_DATA, PTC0_IN, PTC0_OUT, PTC0_IN_PU),
+
+	/* PTD GPIO */
+	PINMUX_DATA(PTD7_DATA, PTD7_IN, PTD7_OUT, PTD7_IN_PU),
+	PINMUX_DATA(PTD6_DATA, PTD6_IN, PTD6_OUT, PTD6_IN_PU),
+	PINMUX_DATA(PTD5_DATA, PTD5_IN, PTD5_OUT, PTD5_IN_PU),
+	PINMUX_DATA(PTD4_DATA, PTD4_IN, PTD4_OUT, PTD4_IN_PU),
+	PINMUX_DATA(PTD3_DATA, PTD3_IN, PTD3_OUT, PTD3_IN_PU),
+	PINMUX_DATA(PTD2_DATA, PTD2_IN, PTD2_OUT, PTD2_IN_PU),
+	PINMUX_DATA(PTD1_DATA, PTD1_IN, PTD1_OUT, PTD1_IN_PU),
+	PINMUX_DATA(PTD0_DATA, PTD0_IN, PTD0_OUT, PTD0_IN_PU),
+
+	/* PTE GPIO */
+	PINMUX_DATA(PTE6_DATA, PTE6_IN),
+	PINMUX_DATA(PTE5_DATA, PTE5_IN),
+	PINMUX_DATA(PTE4_DATA, PTE4_IN, PTE4_OUT, PTE4_IN_PU),
+	PINMUX_DATA(PTE3_DATA, PTE3_IN, PTE3_OUT, PTE3_IN_PU),
+	PINMUX_DATA(PTE2_DATA, PTE2_IN, PTE2_OUT, PTE2_IN_PU),
+	PINMUX_DATA(PTE1_DATA, PTE1_IN, PTE1_OUT, PTE1_IN_PU),
+	PINMUX_DATA(PTE0_DATA, PTE0_IN, PTE0_OUT, PTE0_IN_PU),
+
+	/* PTF GPIO */
+	PINMUX_DATA(PTF6_DATA, PTF6_IN),
+	PINMUX_DATA(PTF5_DATA, PTF5_IN),
+	PINMUX_DATA(PTF4_DATA, PTF4_IN),
+	PINMUX_DATA(PTF3_DATA, PTF3_IN),
+	PINMUX_DATA(PTF2_DATA, PTF2_IN),
+	PINMUX_DATA(PTF1_DATA, PTF1_IN),
+	PINMUX_DATA(PTF0_DATA, PTF0_IN, PTF0_OUT, PTF0_IN_PU),
+
+	/* PTG GPIO */
+	PINMUX_DATA(PTG6_DATA, PTG6_IN, PTG6_OUT, PTG6_IN_PU),
+	PINMUX_DATA(PTG5_DATA, PTG5_IN, PTG5_OUT, PTG5_IN_PU),
+	PINMUX_DATA(PTG4_DATA, PTG4_IN, PTG4_OUT, PTG4_IN_PU),
+	PINMUX_DATA(PTG3_DATA, PTG3_IN, PTG3_OUT, PTG3_IN_PU),
+	PINMUX_DATA(PTG2_DATA, PTG2_IN, PTG2_OUT, PTG2_IN_PU),
+	PINMUX_DATA(PTG1_DATA, PTG1_IN, PTG1_OUT, PTG1_IN_PU),
+	PINMUX_DATA(PTG0_DATA, PTG0_IN, PTG0_OUT, PTG0_IN_PU),
+
+	/* PTH GPIO */
+	PINMUX_DATA(PTH6_DATA, PTH6_IN, PTH6_OUT, PTH6_IN_PU),
+	PINMUX_DATA(PTH5_DATA, PTH5_IN, PTH5_OUT, PTH5_IN_PU),
+	PINMUX_DATA(PTH4_DATA, PTH4_IN, PTH4_OUT, PTH4_IN_PU),
+	PINMUX_DATA(PTH3_DATA, PTH3_IN, PTH3_OUT, PTH3_IN_PU),
+	PINMUX_DATA(PTH2_DATA, PTH2_IN, PTH2_OUT, PTH2_IN_PU),
+	PINMUX_DATA(PTH1_DATA, PTH1_IN, PTH1_OUT, PTH1_IN_PU),
+	PINMUX_DATA(PTH0_DATA, PTH0_IN, PTH0_OUT, PTH0_IN_PU),
+
+	/* PTJ GPIO */
+	PINMUX_DATA(PTJ6_DATA, PTJ6_IN, PTJ6_OUT, PTJ6_IN_PU),
+	PINMUX_DATA(PTJ5_DATA, PTJ5_IN, PTJ5_OUT, PTJ5_IN_PU),
+	PINMUX_DATA(PTJ4_DATA, PTJ4_IN, PTJ4_OUT, PTJ4_IN_PU),
+	PINMUX_DATA(PTJ3_DATA, PTJ3_IN, PTJ3_OUT, PTJ3_IN_PU),
+	PINMUX_DATA(PTJ2_DATA, PTJ2_IN, PTJ2_OUT, PTJ2_IN_PU),
+	PINMUX_DATA(PTJ1_DATA, PTJ1_IN, PTJ1_OUT, PTJ1_IN_PU),
+	PINMUX_DATA(PTJ0_DATA, PTJ0_IN, PTJ0_OUT, PTJ0_IN_PU),
+
+	/* PTK GPIO */
+	PINMUX_DATA(PTK3_DATA, PTK3_IN, PTK3_OUT, PTK3_IN_PU),
+	PINMUX_DATA(PTK2_DATA, PTK2_IN, PTK2_OUT, PTK2_IN_PU),
+	PINMUX_DATA(PTK1_DATA, PTK1_IN, PTK1_OUT, PTK1_IN_PU),
+	PINMUX_DATA(PTK0_DATA, PTK0_IN, PTK0_OUT, PTK0_IN_PU),
+
+	/* PTL GPIO */
+	PINMUX_DATA(PTL7_DATA, PTL7_IN, PTL7_OUT, PTL7_IN_PU),
+	PINMUX_DATA(PTL6_DATA, PTL6_IN, PTL6_OUT, PTL6_IN_PU),
+	PINMUX_DATA(PTL5_DATA, PTL5_IN, PTL5_OUT, PTL5_IN_PU),
+	PINMUX_DATA(PTL4_DATA, PTL4_IN, PTL4_OUT, PTL4_IN_PU),
+	PINMUX_DATA(PTL3_DATA, PTL3_IN, PTL3_OUT, PTL3_IN_PU),
+
+	/* PTM GPIO */
+	PINMUX_DATA(PTM7_DATA, PTM7_IN, PTM7_OUT, PTM7_IN_PU),
+	PINMUX_DATA(PTM6_DATA, PTM6_IN, PTM6_OUT, PTM6_IN_PU),
+	PINMUX_DATA(PTM5_DATA, PTM5_IN, PTM5_OUT, PTM5_IN_PU),
+	PINMUX_DATA(PTM4_DATA, PTM4_IN, PTM4_OUT, PTM4_IN_PU),
+	PINMUX_DATA(PTM3_DATA, PTM3_IN, PTM3_OUT, PTM3_IN_PU),
+	PINMUX_DATA(PTM2_DATA, PTM2_IN, PTM2_OUT, PTM2_IN_PU),
+	PINMUX_DATA(PTM1_DATA, PTM1_IN, PTM1_OUT, PTM1_IN_PU),
+	PINMUX_DATA(PTM0_DATA, PTM0_IN, PTM0_OUT, PTM0_IN_PU),
+
+	/* PTP GPIO */
+	PINMUX_DATA(PTP4_DATA, PTP4_IN, PTP4_OUT, PTP4_IN_PU),
+	PINMUX_DATA(PTP3_DATA, PTP3_IN, PTP3_OUT, PTP3_IN_PU),
+	PINMUX_DATA(PTP2_DATA, PTP2_IN, PTP2_OUT, PTP2_IN_PU),
+	PINMUX_DATA(PTP1_DATA, PTP1_IN, PTP1_OUT, PTP1_IN_PU),
+	PINMUX_DATA(PTP0_DATA, PTP0_IN, PTP0_OUT, PTP0_IN_PU),
+
+	/* PTR GPIO */
+	PINMUX_DATA(PTR7_DATA, PTR7_IN, PTR7_OUT, PTR7_IN_PU),
+	PINMUX_DATA(PTR6_DATA, PTR6_IN, PTR6_OUT, PTR6_IN_PU),
+	PINMUX_DATA(PTR5_DATA, PTR5_IN, PTR5_OUT, PTR5_IN_PU),
+	PINMUX_DATA(PTR4_DATA, PTR4_IN, PTR4_OUT, PTR4_IN_PU),
+	PINMUX_DATA(PTR3_DATA, PTR3_IN, PTR3_OUT, PTR3_IN_PU),
+	PINMUX_DATA(PTR2_DATA, PTR2_IN, PTR2_OUT, PTR2_IN_PU),
+	PINMUX_DATA(PTR1_DATA, PTR1_IN, PTR1_OUT, PTR1_IN_PU),
+	PINMUX_DATA(PTR0_DATA, PTR0_IN, PTR0_OUT, PTR0_IN_PU),
+
+	/* PTS GPIO */
+	PINMUX_DATA(PTS4_DATA, PTS4_IN, PTS4_OUT, PTS4_IN_PU),
+	PINMUX_DATA(PTS3_DATA, PTS3_IN, PTS3_OUT, PTS3_IN_PU),
+	PINMUX_DATA(PTS2_DATA, PTS2_IN, PTS2_OUT, PTS2_IN_PU),
+	PINMUX_DATA(PTS1_DATA, PTS1_IN, PTS1_OUT, PTS1_IN_PU),
+	PINMUX_DATA(PTS0_DATA, PTS0_IN, PTS0_OUT, PTS0_IN_PU),
+
+	/* PTT GPIO */
+	PINMUX_DATA(PTT4_DATA, PTT4_IN, PTT4_OUT, PTT4_IN_PU),
+	PINMUX_DATA(PTT3_DATA, PTT3_IN, PTT3_OUT, PTT3_IN_PU),
+	PINMUX_DATA(PTT2_DATA, PTT2_IN, PTT2_OUT, PTT2_IN_PU),
+	PINMUX_DATA(PTT1_DATA, PTT1_IN, PTT1_OUT, PTT1_IN_PU),
+	PINMUX_DATA(PTT0_DATA, PTT0_IN, PTT0_OUT, PTT0_IN_PU),
+
+	/* PTU GPIO */
+	PINMUX_DATA(PTU4_DATA, PTU4_IN, PTU4_OUT, PTU4_IN_PU),
+	PINMUX_DATA(PTU3_DATA, PTU3_IN, PTU3_OUT, PTU3_IN_PU),
+	PINMUX_DATA(PTU2_DATA, PTU2_IN, PTU2_OUT, PTU2_IN_PU),
+	PINMUX_DATA(PTU1_DATA, PTU1_IN, PTU1_OUT, PTU1_IN_PU),
+	PINMUX_DATA(PTU0_DATA, PTU0_IN, PTU0_OUT, PTU0_IN_PU),
+
+	/* PTV GPIO */
+	PINMUX_DATA(PTV4_DATA, PTV4_IN, PTV4_OUT, PTV4_IN_PU),
+	PINMUX_DATA(PTV3_DATA, PTV3_IN, PTV3_OUT, PTV3_IN_PU),
+	PINMUX_DATA(PTV2_DATA, PTV2_IN, PTV2_OUT, PTV2_IN_PU),
+	PINMUX_DATA(PTV1_DATA, PTV1_IN, PTV1_OUT, PTV1_IN_PU),
+	PINMUX_DATA(PTV0_DATA, PTV0_IN, PTV0_OUT, PTV0_IN_PU),
+
+	/* PTA FN */
+	PINMUX_DATA(D23_MARK, PTA7_FN),
+	PINMUX_DATA(D22_MARK, PTA6_FN),
+	PINMUX_DATA(D21_MARK, PTA5_FN),
+	PINMUX_DATA(D20_MARK, PTA4_FN),
+	PINMUX_DATA(D19_MARK, PTA3_FN),
+	PINMUX_DATA(D18_MARK, PTA2_FN),
+	PINMUX_DATA(D17_MARK, PTA1_FN),
+	PINMUX_DATA(D16_MARK, PTA0_FN),
+
+	/* PTB FN */
+	PINMUX_DATA(D31_MARK, PTB7_FN),
+	PINMUX_DATA(D30_MARK, PTB6_FN),
+	PINMUX_DATA(D29_MARK, PTB5_FN),
+	PINMUX_DATA(D28_MARK, PTB4_FN),
+	PINMUX_DATA(D27_MARK, PTB3_FN),
+	PINMUX_DATA(D26_MARK, PTB2_FN),
+	PINMUX_DATA(D25_MARK, PTB1_FN),
+	PINMUX_DATA(D24_MARK, PTB0_FN),
+
+	/* PTC FN */
+	PINMUX_DATA(LCD_DATA7_MARK, PTC7_FN),
+	PINMUX_DATA(LCD_DATA6_MARK, PTC6_FN),
+	PINMUX_DATA(LCD_DATA5_MARK, PTC5_FN),
+	PINMUX_DATA(LCD_DATA4_MARK, PTC4_FN),
+	PINMUX_DATA(LCD_DATA3_MARK, PTC3_FN),
+	PINMUX_DATA(LCD_DATA2_MARK, PTC2_FN),
+	PINMUX_DATA(LCD_DATA1_MARK, PTC1_FN),
+	PINMUX_DATA(LCD_DATA0_MARK, PTC0_FN),
+
+	/* PTD FN */
+	PINMUX_DATA(LCD_DATA15_MARK, PTD7_FN),
+	PINMUX_DATA(LCD_DATA14_MARK, PTD6_FN),
+	PINMUX_DATA(LCD_DATA13_MARK, PTD5_FN),
+	PINMUX_DATA(LCD_DATA12_MARK, PTD4_FN),
+	PINMUX_DATA(LCD_DATA11_MARK, PTD3_FN),
+	PINMUX_DATA(LCD_DATA10_MARK, PTD2_FN),
+	PINMUX_DATA(LCD_DATA9_MARK, PTD1_FN),
+	PINMUX_DATA(LCD_DATA8_MARK, PTD0_FN),
+
+	/* PTE FN */
+	PINMUX_DATA(IIC_SCL_MARK, PSELB_9_8_00, PTE6_FN),
+	PINMUX_DATA(AFE_RXIN_MARK, PSELB_9_8_11, PTE6_FN),
+	PINMUX_DATA(IIC_SDA_MARK, PSELB_9_8_00, PTE5_FN),
+	PINMUX_DATA(AFE_RDET_MARK, PSELB_9_8_11, PTE5_FN),
+	PINMUX_DATA(LCD_M_DISP_MARK, PTE4_FN),
+	PINMUX_DATA(LCD_CL1_MARK, PTE3_FN),
+	PINMUX_DATA(LCD_CL2_MARK, PTE2_FN),
+	PINMUX_DATA(LCD_DON_MARK, PTE1_FN),
+	PINMUX_DATA(LCD_FLM_MARK, PTE0_FN),
+
+	/* PTF FN */
+	PINMUX_DATA(DA1_MARK, PTF6_FN),
+	PINMUX_DATA(DA0_MARK, PTF5_FN),
+	PINMUX_DATA(AN3_MARK, PTF4_FN),
+	PINMUX_DATA(AN2_MARK, PTF3_FN),
+	PINMUX_DATA(AN1_MARK, PTF2_FN),
+	PINMUX_DATA(AN0_MARK, PTF1_FN),
+	PINMUX_DATA(ADTRG_MARK, PTF0_FN),
+
+	/* PTG FN */
+	PINMUX_DATA(USB1D_RCV_MARK, PSELA_3_2_00, PTG6_FN),
+	PINMUX_DATA(AFE_FS_MARK, PSELA_3_2_01, PTG6_FN),
+	PINMUX_DATA(PCC_REG_MARK, PSELA_3_2_10, PTG6_FN),
+	PINMUX_DATA(IRQ5_MARK, PSELA_3_2_11, PTG6_FN),
+	PINMUX_DATA(USB1D_TXSE0_MARK, PSELA_5_4_00, PTG5_FN),
+	PINMUX_DATA(AFE_TXOUT_MARK, PSELA_5_4_01, PTG5_FN),
+	PINMUX_DATA(PCC_DRV_MARK, PSELA_5_4_10, PTG5_FN),
+	PINMUX_DATA(IRQ4_MARK, PSELA_5_4_11, PTG5_FN),
+	PINMUX_DATA(USB1D_TXDPLS_MARK, PSELA_7_6_00, PTG4_FN),
+	PINMUX_DATA(AFE_SCLK_MARK, PSELA_7_6_01, PTG4_FN),
+	PINMUX_DATA(IOIS16_MARK, PSELA_7_6_10, PTG4_FN),
+	PINMUX_DATA(USB1D_DMNS_MARK, PSELA_9_8_00, PTG3_FN),
+	PINMUX_DATA(AFE_RLYCNT_MARK, PSELA_9_8_01, PTG3_FN),
+	PINMUX_DATA(PCC_BVD2_MARK, PSELA_9_8_10, PTG3_FN),
+	PINMUX_DATA(USB1D_DPLS_MARK, PSELA_11_10_00, PTG2_FN),
+	PINMUX_DATA(AFE_HC1_MARK, PSELA_11_10_01, PTG2_FN),
+	PINMUX_DATA(PCC_BVD1_MARK, PSELA_11_10_10, PTG2_FN),
+	PINMUX_DATA(USB1D_SPEED_MARK, PSELA_13_12_00, PTG1_FN),
+	PINMUX_DATA(PCC_CD2_MARK, PSELA_13_12_10, PTG1_FN),
+	PINMUX_DATA(USB1D_TXENL_MARK, PSELA_15_14_00, PTG0_FN),
+	PINMUX_DATA(PCC_CD1_MARK, PSELA_15_14_10, PTG0_FN),
+
+	/* PTH FN */
+	PINMUX_DATA(RAS_MARK, PTH6_FN),
+	PINMUX_DATA(CAS_MARK, PTH5_FN),
+	PINMUX_DATA(CKE_MARK, PTH4_FN),
+	PINMUX_DATA(STATUS1_MARK, PTH3_FN),
+	PINMUX_DATA(STATUS0_MARK, PTH2_FN),
+	PINMUX_DATA(USB2_PWR_EN_MARK, PTH1_FN),
+	PINMUX_DATA(USB1_PWR_EN_USBF_UPLUP_MARK, PTH0_FN),
+
+	/* PTJ FN */
+	PINMUX_DATA(AUDCK_MARK, PTJ6_FN),
+	PINMUX_DATA(ASEBRKAK_MARK, PTJ5_FN),
+	PINMUX_DATA(AUDATA3_MARK, PTJ4_FN),
+	PINMUX_DATA(AUDATA2_MARK, PTJ3_FN),
+	PINMUX_DATA(AUDATA1_MARK, PTJ2_FN),
+	PINMUX_DATA(AUDATA0_MARK, PTJ1_FN),
+	PINMUX_DATA(AUDSYNC_MARK, PTJ0_FN),
+
+	/* PTK FN */
+	PINMUX_DATA(PCC_RESET_MARK, PTK3_FN),
+	PINMUX_DATA(PCC_RDY_MARK, PTK2_FN),
+	PINMUX_DATA(PCC_VS2_MARK, PTK1_FN),
+	PINMUX_DATA(PCC_VS1_MARK, PTK0_FN),
+
+	/* PTL FN */
+	PINMUX_DATA(TRST_MARK, PTL7_FN),
+	PINMUX_DATA(TMS_MARK, PTL6_FN),
+	PINMUX_DATA(TDO_MARK, PTL5_FN),
+	PINMUX_DATA(TDI_MARK, PTL4_FN),
+	PINMUX_DATA(TCK_MARK, PTL3_FN),
+
+	/* PTM FN */
+	PINMUX_DATA(DREQ1_MARK, PTM7_FN),
+	PINMUX_DATA(DREQ0_MARK, PTM6_FN),
+	PINMUX_DATA(DACK1_MARK, PTM5_FN),
+	PINMUX_DATA(DACK0_MARK, PTM4_FN),
+	PINMUX_DATA(TEND1_MARK, PTM3_FN),
+	PINMUX_DATA(TEND0_MARK, PTM2_FN),
+	PINMUX_DATA(CS5B_CE1A_MARK, PTM1_FN),
+	PINMUX_DATA(CS6B_CE1B_MARK, PTM0_FN),
+
+	/* PTP FN */
+	PINMUX_DATA(USB1D_SUSPEND_MARK, PSELA_1_0_00, PTP4_FN),
+	PINMUX_DATA(REFOUT_MARK, PSELA_1_0_01, PTP4_FN),
+	PINMUX_DATA(IRQOUT_MARK, PSELA_1_0_10, PTP4_FN),
+	PINMUX_DATA(IRQ3_IRL3_MARK, PTP3_FN),
+	PINMUX_DATA(IRQ2_IRL2_MARK, PTP2_FN),
+	PINMUX_DATA(IRQ1_IRL1_MARK, PTP1_FN),
+	PINMUX_DATA(IRQ0_IRL0_MARK, PTP0_FN),
+
+	/* PTR FN */
+	PINMUX_DATA(A25_MARK, PTR7_FN),
+	PINMUX_DATA(A24_MARK, PTR6_FN),
+	PINMUX_DATA(A23_MARK, PTR5_FN),
+	PINMUX_DATA(A22_MARK, PTR4_FN),
+	PINMUX_DATA(A21_MARK, PTR3_FN),
+	PINMUX_DATA(A20_MARK, PTR2_FN),
+	PINMUX_DATA(A19_MARK, PTR1_FN),
+	PINMUX_DATA(A0_MARK, PTR0_FN),
+
+	/* PTS FN */
+	PINMUX_DATA(SIOF0_SYNC_MARK, PTS4_FN),
+	PINMUX_DATA(SIOF0_MCLK_MARK, PTS3_FN),
+	PINMUX_DATA(SIOF0_TXD_MARK, PTS2_FN),
+	PINMUX_DATA(SIOF0_RXD_MARK, PTS1_FN),
+	PINMUX_DATA(SIOF0_SCK_MARK, PTS0_FN),
+
+	/* PTT FN */
+	PINMUX_DATA(SCIF0_CTS_MARK, PSELB_15_14_00, PTT4_FN),
+	PINMUX_DATA(TPU_TO1_MARK, PSELB_15_14_11, PTT4_FN),
+	PINMUX_DATA(SCIF0_RTS_MARK, PSELB_15_14_00, PTT3_FN),
+	PINMUX_DATA(TPU_TO0_MARK, PSELB_15_14_11, PTT3_FN),
+	PINMUX_DATA(SCIF0_TXD_MARK, PTT2_FN),
+	PINMUX_DATA(SCIF0_RXD_MARK, PTT1_FN),
+	PINMUX_DATA(SCIF0_SCK_MARK, PTT0_FN),
+
+	/* PTU FN */
+	PINMUX_DATA(SIOF1_SYNC_MARK, PTU4_FN),
+	PINMUX_DATA(SIOF1_MCLK_MARK, PSELD_11_10_00, PTU3_FN),
+	PINMUX_DATA(TPU_TI3B_MARK, PSELD_11_10_01, PTU3_FN),
+	PINMUX_DATA(SIOF1_TXD_MARK, PSELD_15_14_00, PTU2_FN),
+	PINMUX_DATA(TPU_TI3A_MARK, PSELD_15_14_01, PTU2_FN),
+	PINMUX_DATA(MMC_DAT_MARK, PSELD_15_14_10, PTU2_FN),
+	PINMUX_DATA(SIOF1_RXD_MARK, PSELC_13_12_00, PTU1_FN),
+	PINMUX_DATA(TPU_TI2B_MARK, PSELC_13_12_01, PTU1_FN),
+	PINMUX_DATA(MMC_CMD_MARK, PSELC_13_12_10, PTU1_FN),
+	PINMUX_DATA(SIOF1_SCK_MARK, PSELC_15_14_00, PTU0_FN),
+	PINMUX_DATA(TPU_TI2A_MARK, PSELC_15_14_01, PTU0_FN),
+	PINMUX_DATA(MMC_CLK_MARK, PSELC_15_14_10, PTU0_FN),
+
+	/* PTV FN */
+	PINMUX_DATA(SCIF1_CTS_MARK, PSELB_11_10_00, PTV4_FN),
+	PINMUX_DATA(TPU_TO3_MARK, PSELB_11_10_01, PTV4_FN),
+	PINMUX_DATA(MMC_VDDON_MARK, PSELB_11_10_10, PTV4_FN),
+	PINMUX_DATA(LCD_VEPWC_MARK, PSELB_11_10_11, PTV4_FN),
+	PINMUX_DATA(SCIF1_RTS_MARK, PSELB_13_12_00, PTV3_FN),
+	PINMUX_DATA(TPU_TO2_MARK, PSELB_13_12_01, PTV3_FN),
+	PINMUX_DATA(MMC_ODMOD_MARK, PSELB_13_12_10, PTV3_FN),
+	PINMUX_DATA(LCD_VCPWC_MARK, PSELB_13_12_11, PTV3_FN),
+	PINMUX_DATA(SCIF1_TXD_MARK, PSELC_9_8_00, PTV2_FN),
+	PINMUX_DATA(SIM_D_MARK, PSELC_9_8_10, PTV2_FN),
+	PINMUX_DATA(SCIF1_RXD_MARK, PSELC_11_10_00, PTV1_FN),
+	PINMUX_DATA(SIM_RST_MARK, PSELC_11_10_10, PTV1_FN),
+	PINMUX_DATA(SCIF1_SCK_MARK, PSELD_1_0_00, PTV0_FN),
+	PINMUX_DATA(SIM_CLK_MARK, PSELD_1_0_10, PTV0_FN),
+};
+
+static struct pinmux_gpio pinmux_gpios[] = {
+	/* PTA */
+	PINMUX_GPIO(GPIO_PTA7, PTA7_DATA),
+	PINMUX_GPIO(GPIO_PTA6, PTA6_DATA),
+	PINMUX_GPIO(GPIO_PTA5, PTA5_DATA),
+	PINMUX_GPIO(GPIO_PTA4, PTA4_DATA),
+	PINMUX_GPIO(GPIO_PTA3, PTA3_DATA),
+	PINMUX_GPIO(GPIO_PTA2, PTA2_DATA),
+	PINMUX_GPIO(GPIO_PTA1, PTA1_DATA),
+	PINMUX_GPIO(GPIO_PTA0, PTA0_DATA),
+
+	/* PTB */
+	PINMUX_GPIO(GPIO_PTB7, PTB7_DATA),
+	PINMUX_GPIO(GPIO_PTB6, PTB6_DATA),
+	PINMUX_GPIO(GPIO_PTB5, PTB5_DATA),
+	PINMUX_GPIO(GPIO_PTB4, PTB4_DATA),
+	PINMUX_GPIO(GPIO_PTB3, PTB3_DATA),
+	PINMUX_GPIO(GPIO_PTB2, PTB2_DATA),
+	PINMUX_GPIO(GPIO_PTB1, PTB1_DATA),
+	PINMUX_GPIO(GPIO_PTB0, PTB0_DATA),
+
+	/* PTC */
+	PINMUX_GPIO(GPIO_PTC7, PTC7_DATA),
+	PINMUX_GPIO(GPIO_PTC6, PTC6_DATA),
+	PINMUX_GPIO(GPIO_PTC5, PTC5_DATA),
+	PINMUX_GPIO(GPIO_PTC4, PTC4_DATA),
+	PINMUX_GPIO(GPIO_PTC3, PTC3_DATA),
+	PINMUX_GPIO(GPIO_PTC2, PTC2_DATA),
+	PINMUX_GPIO(GPIO_PTC1, PTC1_DATA),
+	PINMUX_GPIO(GPIO_PTC0, PTC0_DATA),
+
+	/* PTD */
+	PINMUX_GPIO(GPIO_PTD7, PTD7_DATA),
+	PINMUX_GPIO(GPIO_PTD6, PTD6_DATA),
+	PINMUX_GPIO(GPIO_PTD5, PTD5_DATA),
+	PINMUX_GPIO(GPIO_PTD4, PTD4_DATA),
+	PINMUX_GPIO(GPIO_PTD3, PTD3_DATA),
+	PINMUX_GPIO(GPIO_PTD2, PTD2_DATA),
+	PINMUX_GPIO(GPIO_PTD1, PTD1_DATA),
+	PINMUX_GPIO(GPIO_PTD0, PTD0_DATA),
+
+	/* PTE */
+	PINMUX_GPIO(GPIO_PTE6, PTE6_DATA),
+	PINMUX_GPIO(GPIO_PTE5, PTE5_DATA),
+	PINMUX_GPIO(GPIO_PTE4, PTE4_DATA),
+	PINMUX_GPIO(GPIO_PTE3, PTE3_DATA),
+	PINMUX_GPIO(GPIO_PTE2, PTE2_DATA),
+	PINMUX_GPIO(GPIO_PTE1, PTE1_DATA),
+	PINMUX_GPIO(GPIO_PTE0, PTE0_DATA),
+
+	/* PTF */
+	PINMUX_GPIO(GPIO_PTF6, PTF6_DATA),
+	PINMUX_GPIO(GPIO_PTF5, PTF5_DATA),
+	PINMUX_GPIO(GPIO_PTF4, PTF4_DATA),
+	PINMUX_GPIO(GPIO_PTF3, PTF3_DATA),
+	PINMUX_GPIO(GPIO_PTF2, PTF2_DATA),
+	PINMUX_GPIO(GPIO_PTF1, PTF1_DATA),
+	PINMUX_GPIO(GPIO_PTF0, PTF0_DATA),
+
+	/* PTG */
+	PINMUX_GPIO(GPIO_PTG6, PTG6_DATA),
+	PINMUX_GPIO(GPIO_PTG5, PTG5_DATA),
+	PINMUX_GPIO(GPIO_PTG4, PTG4_DATA),
+	PINMUX_GPIO(GPIO_PTG3, PTG3_DATA),
+	PINMUX_GPIO(GPIO_PTG2, PTG2_DATA),
+	PINMUX_GPIO(GPIO_PTG1, PTG1_DATA),
+	PINMUX_GPIO(GPIO_PTG0, PTG0_DATA),
+
+	/* PTH */
+	PINMUX_GPIO(GPIO_PTH6, PTH6_DATA),
+	PINMUX_GPIO(GPIO_PTH5, PTH5_DATA),
+	PINMUX_GPIO(GPIO_PTH4, PTH4_DATA),
+	PINMUX_GPIO(GPIO_PTH3, PTH3_DATA),
+	PINMUX_GPIO(GPIO_PTH2, PTH2_DATA),
+	PINMUX_GPIO(GPIO_PTH1, PTH1_DATA),
+	PINMUX_GPIO(GPIO_PTH0, PTH0_DATA),
+
+	/* PTJ */
+	PINMUX_GPIO(GPIO_PTJ6, PTJ6_DATA),
+	PINMUX_GPIO(GPIO_PTJ5, PTJ5_DATA),
+	PINMUX_GPIO(GPIO_PTJ4, PTJ4_DATA),
+	PINMUX_GPIO(GPIO_PTJ3, PTJ3_DATA),
+	PINMUX_GPIO(GPIO_PTJ2, PTJ2_DATA),
+	PINMUX_GPIO(GPIO_PTJ1, PTJ1_DATA),
+	PINMUX_GPIO(GPIO_PTJ0, PTJ0_DATA),
+
+	/* PTK */
+	PINMUX_GPIO(GPIO_PTK3, PTK3_DATA),
+	PINMUX_GPIO(GPIO_PTK2, PTK2_DATA),
+	PINMUX_GPIO(GPIO_PTK1, PTK1_DATA),
+	PINMUX_GPIO(GPIO_PTK0, PTK0_DATA),
+
+	/* PTL */
+	PINMUX_GPIO(GPIO_PTL7, PTL7_DATA),
+	PINMUX_GPIO(GPIO_PTL6, PTL6_DATA),
+	PINMUX_GPIO(GPIO_PTL5, PTL5_DATA),
+	PINMUX_GPIO(GPIO_PTL4, PTL4_DATA),
+	PINMUX_GPIO(GPIO_PTL3, PTL3_DATA),
+
+	/* PTM */
+	PINMUX_GPIO(GPIO_PTM7, PTM7_DATA),
+	PINMUX_GPIO(GPIO_PTM6, PTM6_DATA),
+	PINMUX_GPIO(GPIO_PTM5, PTM5_DATA),
+	PINMUX_GPIO(GPIO_PTM4, PTM4_DATA),
+	PINMUX_GPIO(GPIO_PTM3, PTM3_DATA),
+	PINMUX_GPIO(GPIO_PTM2, PTM2_DATA),
+	PINMUX_GPIO(GPIO_PTM1, PTM1_DATA),
+	PINMUX_GPIO(GPIO_PTM0, PTM0_DATA),
+
+	/* PTP */
+	PINMUX_GPIO(GPIO_PTP4, PTP4_DATA),
+	PINMUX_GPIO(GPIO_PTP3, PTP3_DATA),
+	PINMUX_GPIO(GPIO_PTP2, PTP2_DATA),
+	PINMUX_GPIO(GPIO_PTP1, PTP1_DATA),
+	PINMUX_GPIO(GPIO_PTP0, PTP0_DATA),
+
+	/* PTR */
+	PINMUX_GPIO(GPIO_PTR7, PTR7_DATA),
+	PINMUX_GPIO(GPIO_PTR6, PTR6_DATA),
+	PINMUX_GPIO(GPIO_PTR5, PTR5_DATA),
+	PINMUX_GPIO(GPIO_PTR4, PTR4_DATA),
+	PINMUX_GPIO(GPIO_PTR3, PTR3_DATA),
+	PINMUX_GPIO(GPIO_PTR2, PTR2_DATA),
+	PINMUX_GPIO(GPIO_PTR1, PTR1_DATA),
+	PINMUX_GPIO(GPIO_PTR0, PTR0_DATA),
+
+	/* PTS */
+	PINMUX_GPIO(GPIO_PTS4, PTS4_DATA),
+	PINMUX_GPIO(GPIO_PTS3, PTS3_DATA),
+	PINMUX_GPIO(GPIO_PTS2, PTS2_DATA),
+	PINMUX_GPIO(GPIO_PTS1, PTS1_DATA),
+	PINMUX_GPIO(GPIO_PTS0, PTS0_DATA),
+
+	/* PTT */
+	PINMUX_GPIO(GPIO_PTT4, PTT4_DATA),
+	PINMUX_GPIO(GPIO_PTT3, PTT3_DATA),
+	PINMUX_GPIO(GPIO_PTT2, PTT2_DATA),
+	PINMUX_GPIO(GPIO_PTT1, PTT1_DATA),
+	PINMUX_GPIO(GPIO_PTT0, PTT0_DATA),
+
+	/* PTU */
+	PINMUX_GPIO(GPIO_PTU4, PTU4_DATA),
+	PINMUX_GPIO(GPIO_PTU3, PTU3_DATA),
+	PINMUX_GPIO(GPIO_PTU2, PTU2_DATA),
+	PINMUX_GPIO(GPIO_PTU1, PTU1_DATA),
+	PINMUX_GPIO(GPIO_PTU0, PTU0_DATA),
+
+	/* PTV */
+	PINMUX_GPIO(GPIO_PTV4, PTV4_DATA),
+	PINMUX_GPIO(GPIO_PTV3, PTV3_DATA),
+	PINMUX_GPIO(GPIO_PTV2, PTV2_DATA),
+	PINMUX_GPIO(GPIO_PTV1, PTV1_DATA),
+	PINMUX_GPIO(GPIO_PTV0, PTV0_DATA),
+
+	/* BSC */
+	PINMUX_GPIO(GPIO_FN_D31, D31_MARK),
+	PINMUX_GPIO(GPIO_FN_D30, D30_MARK),
+	PINMUX_GPIO(GPIO_FN_D29, D29_MARK),
+	PINMUX_GPIO(GPIO_FN_D28, D28_MARK),
+	PINMUX_GPIO(GPIO_FN_D27, D27_MARK),
+	PINMUX_GPIO(GPIO_FN_D26, D26_MARK),
+	PINMUX_GPIO(GPIO_FN_D25, D25_MARK),
+	PINMUX_GPIO(GPIO_FN_D24, D24_MARK),
+	PINMUX_GPIO(GPIO_FN_D23, D23_MARK),
+	PINMUX_GPIO(GPIO_FN_D22, D22_MARK),
+	PINMUX_GPIO(GPIO_FN_D21, D21_MARK),
+	PINMUX_GPIO(GPIO_FN_D20, D20_MARK),
+	PINMUX_GPIO(GPIO_FN_D19, D19_MARK),
+	PINMUX_GPIO(GPIO_FN_D18, D18_MARK),
+	PINMUX_GPIO(GPIO_FN_D17, D17_MARK),
+	PINMUX_GPIO(GPIO_FN_D16, D16_MARK),
+	PINMUX_GPIO(GPIO_FN_IOIS16, IOIS16_MARK),
+	PINMUX_GPIO(GPIO_FN_RAS, RAS_MARK),
+	PINMUX_GPIO(GPIO_FN_CAS, CAS_MARK),
+	PINMUX_GPIO(GPIO_FN_CKE, CKE_MARK),
+	PINMUX_GPIO(GPIO_FN_CS5B_CE1A, CS5B_CE1A_MARK),
+	PINMUX_GPIO(GPIO_FN_CS6B_CE1B, CS6B_CE1B_MARK),
+	PINMUX_GPIO(GPIO_FN_A25, A25_MARK),
+	PINMUX_GPIO(GPIO_FN_A24, A24_MARK),
+	PINMUX_GPIO(GPIO_FN_A23, A23_MARK),
+	PINMUX_GPIO(GPIO_FN_A22, A22_MARK),
+	PINMUX_GPIO(GPIO_FN_A21, A21_MARK),
+	PINMUX_GPIO(GPIO_FN_A20, A20_MARK),
+	PINMUX_GPIO(GPIO_FN_A19, A19_MARK),
+	PINMUX_GPIO(GPIO_FN_A0, A0_MARK),
+	PINMUX_GPIO(GPIO_FN_REFOUT, REFOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQOUT, IRQOUT_MARK),
+
+	/* LCDC */
+	PINMUX_GPIO(GPIO_FN_LCD_DATA15, LCD_DATA15_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA14, LCD_DATA14_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA13, LCD_DATA13_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA12, LCD_DATA12_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA11, LCD_DATA11_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA10, LCD_DATA10_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA9, LCD_DATA9_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA8, LCD_DATA8_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA7, LCD_DATA7_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA6, LCD_DATA6_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA5, LCD_DATA5_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA4, LCD_DATA4_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA3, LCD_DATA3_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA2, LCD_DATA2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA1, LCD_DATA1_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DATA0, LCD_DATA0_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_M_DISP, LCD_M_DISP_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_CL1, LCD_CL1_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_CL2, LCD_CL2_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_DON, LCD_DON_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_FLM, LCD_FLM_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_VEPWC, LCD_VEPWC_MARK),
+	PINMUX_GPIO(GPIO_FN_LCD_VCPWC, LCD_VCPWC_MARK),
+
+	/* AFEIF */
+	PINMUX_GPIO(GPIO_FN_AFE_RXIN, AFE_RXIN_MARK),
+	PINMUX_GPIO(GPIO_FN_AFE_RDET, AFE_RDET_MARK),
+	PINMUX_GPIO(GPIO_FN_AFE_FS, AFE_FS_MARK),
+	PINMUX_GPIO(GPIO_FN_AFE_TXOUT, AFE_TXOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_AFE_SCLK, AFE_SCLK_MARK),
+	PINMUX_GPIO(GPIO_FN_AFE_RLYCNT, AFE_RLYCNT_MARK),
+	PINMUX_GPIO(GPIO_FN_AFE_HC1, AFE_HC1_MARK),
+
+	/* IIC */
+	PINMUX_GPIO(GPIO_FN_IIC_SCL, IIC_SCL_MARK),
+	PINMUX_GPIO(GPIO_FN_IIC_SDA, IIC_SDA_MARK),
+
+	/* DAC */
+	PINMUX_GPIO(GPIO_FN_DA1, DA1_MARK),
+	PINMUX_GPIO(GPIO_FN_DA0, DA0_MARK),
+
+	/* ADC */
+	PINMUX_GPIO(GPIO_FN_AN3, AN3_MARK),
+	PINMUX_GPIO(GPIO_FN_AN2, AN2_MARK),
+	PINMUX_GPIO(GPIO_FN_AN1, AN1_MARK),
+	PINMUX_GPIO(GPIO_FN_AN0, AN0_MARK),
+	PINMUX_GPIO(GPIO_FN_ADTRG, ADTRG_MARK),
+
+	/* USB */
+	PINMUX_GPIO(GPIO_FN_USB1D_RCV, USB1D_RCV_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1D_TXSE0, USB1D_TXSE0_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1D_TXDPLS, USB1D_TXDPLS_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1D_DMNS, USB1D_DMNS_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1D_DPLS, USB1D_DPLS_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1D_SPEED, USB1D_SPEED_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1D_TXENL, USB1D_TXENL_MARK),
+
+	PINMUX_GPIO(GPIO_FN_USB2_PWR_EN, USB2_PWR_EN_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1_PWR_EN_USBF_UPLUP,
+		    USB1_PWR_EN_USBF_UPLUP_MARK),
+	PINMUX_GPIO(GPIO_FN_USB1D_SUSPEND, USB1D_SUSPEND_MARK),
+
+	/* INTC */
+	PINMUX_GPIO(GPIO_FN_IRQ5, IRQ5_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ4, IRQ4_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ3_IRL3, IRQ3_IRL3_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ2_IRL2, IRQ2_IRL2_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ1_IRL1, IRQ1_IRL1_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQ0_IRL0, IRQ0_IRL0_MARK),
+
+	/* PCC */
+	PINMUX_GPIO(GPIO_FN_PCC_REG, PCC_REG_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_DRV, PCC_DRV_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_BVD2, PCC_BVD2_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_BVD1, PCC_BVD1_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_CD2, PCC_CD2_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_CD1, PCC_CD1_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_RESET, PCC_RESET_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_RDY, PCC_RDY_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_VS2, PCC_VS2_MARK),
+	PINMUX_GPIO(GPIO_FN_PCC_VS1, PCC_VS1_MARK),
+
+	/* HUDI */
+	PINMUX_GPIO(GPIO_FN_AUDATA3, AUDATA3_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA2, AUDATA2_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA1, AUDATA1_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDATA0, AUDATA0_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDCK, AUDCK_MARK),
+	PINMUX_GPIO(GPIO_FN_AUDSYNC, AUDSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_ASEBRKAK, ASEBRKAK_MARK),
+	PINMUX_GPIO(GPIO_FN_TRST, TRST_MARK),
+	PINMUX_GPIO(GPIO_FN_TMS, TMS_MARK),
+	PINMUX_GPIO(GPIO_FN_TDO, TDO_MARK),
+	PINMUX_GPIO(GPIO_FN_TDI, TDI_MARK),
+	PINMUX_GPIO(GPIO_FN_TCK, TCK_MARK),
+
+	/* DMAC */
+	PINMUX_GPIO(GPIO_FN_DACK1, DACK1_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ1, DREQ1_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK0, DACK0_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ0, DREQ0_MARK),
+	PINMUX_GPIO(GPIO_FN_TEND1, TEND1_MARK),
+	PINMUX_GPIO(GPIO_FN_TEND0, TEND0_MARK),
+
+	/* SIOF0 */
+	PINMUX_GPIO(GPIO_FN_SIOF0_SYNC, SIOF0_SYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_MCLK, SIOF0_MCLK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_TXD, SIOF0_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_RXD, SIOF0_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF0_SCK, SIOF0_SCK_MARK),
+
+	/* SIOF1 */
+	PINMUX_GPIO(GPIO_FN_SIOF1_SYNC, SIOF1_SYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_MCLK, SIOF1_MCLK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_TXD, SIOF1_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_RXD, SIOF1_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF1_SCK, SIOF1_SCK_MARK),
+
+	/* SCIF0 */
+	PINMUX_GPIO(GPIO_FN_SCIF0_TXD, SCIF0_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_RXD, SCIF0_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_RTS, SCIF0_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_CTS, SCIF0_CTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_SCK, SCIF0_SCK_MARK),
+
+	/* SCIF1 */
+	PINMUX_GPIO(GPIO_FN_SCIF1_TXD, SCIF1_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_RXD, SCIF1_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_RTS, SCIF1_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_CTS, SCIF1_CTS_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_SCK, SCIF1_SCK_MARK),
+
+	/* TPU */
+	PINMUX_GPIO(GPIO_FN_TPU_TO1, TPU_TO1_MARK),
+	PINMUX_GPIO(GPIO_FN_TPU_TO0, TPU_TO0_MARK),
+	PINMUX_GPIO(GPIO_FN_TPU_TI3B, TPU_TI3B_MARK),
+	PINMUX_GPIO(GPIO_FN_TPU_TI3A, TPU_TI3A_MARK),
+	PINMUX_GPIO(GPIO_FN_TPU_TI2B, TPU_TI2B_MARK),
+	PINMUX_GPIO(GPIO_FN_TPU_TI2A, TPU_TI2A_MARK),
+	PINMUX_GPIO(GPIO_FN_TPU_TO3, TPU_TO3_MARK),
+	PINMUX_GPIO(GPIO_FN_TPU_TO2, TPU_TO2_MARK),
+
+	/* SIM */
+	PINMUX_GPIO(GPIO_FN_SIM_D, SIM_D_MARK),
+	PINMUX_GPIO(GPIO_FN_SIM_CLK, SIM_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIM_RST, SIM_RST_MARK),
+
+	/* MMC */
+	PINMUX_GPIO(GPIO_FN_MMC_DAT, MMC_DAT_MARK),
+	PINMUX_GPIO(GPIO_FN_MMC_CMD, MMC_CMD_MARK),
+	PINMUX_GPIO(GPIO_FN_MMC_CLK, MMC_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_MMC_VDDON, MMC_VDDON_MARK),
+	PINMUX_GPIO(GPIO_FN_MMC_ODMOD, MMC_ODMOD_MARK),
+
+	/* SYSC */
+	PINMUX_GPIO(GPIO_FN_STATUS0, STATUS0_MARK),
+	PINMUX_GPIO(GPIO_FN_STATUS1, STATUS1_MARK),
+};
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	{ PINMUX_CFG_REG("PACR", 0xa4050100, 16, 2) {
+		PTA7_FN, PTA7_OUT, PTA7_IN_PU, PTA7_IN,
+		PTA6_FN, PTA6_OUT, PTA6_IN_PU, PTA6_IN,
+		PTA5_FN, PTA5_OUT, PTA5_IN_PU, PTA5_IN,
+		PTA4_FN, PTA4_OUT, PTA4_IN_PU, PTA4_IN,
+		PTA3_FN, PTA3_OUT, PTA3_IN_PU, PTA3_IN,
+		PTA2_FN, PTA2_OUT, PTA2_IN_PU, PTA2_IN,
+		PTA1_FN, PTA1_OUT, PTA1_IN_PU, PTA1_IN,
+		PTA0_FN, PTA0_OUT, PTA0_IN_PU, PTA0_IN }
+	},
+	{ PINMUX_CFG_REG("PBCR", 0xa4050102, 16, 2) {
+		PTB7_FN, PTB7_OUT, PTB7_IN_PU, PTB7_IN,
+		PTB6_FN, PTB6_OUT, PTB6_IN_PU, PTB6_IN,
+		PTB5_FN, PTB5_OUT, PTB5_IN_PU, PTB5_IN,
+		PTB4_FN, PTB4_OUT, PTB4_IN_PU, PTB4_IN,
+		PTB3_FN, PTB3_OUT, PTB3_IN_PU, PTB3_IN,
+		PTB2_FN, PTB2_OUT, PTB2_IN_PU, PTB2_IN,
+		PTB1_FN, PTB1_OUT, PTB1_IN_PU, PTB1_IN,
+		PTB0_FN, PTB0_OUT, PTB0_IN_PU, PTB0_IN }
+	},
+	{ PINMUX_CFG_REG("PCCR", 0xa4050104, 16, 2) {
+		PTC7_FN, PTC7_OUT, PTC7_IN_PU, PTC7_IN,
+		PTC6_FN, PTC6_OUT, PTC6_IN_PU, PTC6_IN,
+		PTC5_FN, PTC5_OUT, PTC5_IN_PU, PTC5_IN,
+		PTC4_FN, PTC4_OUT, PTC4_IN_PU, PTC4_IN,
+		PTC3_FN, PTC3_OUT, PTC3_IN_PU, PTC3_IN,
+		PTC2_FN, PTC2_OUT, PTC2_IN_PU, PTC2_IN,
+		PTC1_FN, PTC1_OUT, PTC1_IN_PU, PTC1_IN,
+		PTC0_FN, PTC0_OUT, PTC0_IN_PU, PTC0_IN }
+	},
+	{ PINMUX_CFG_REG("PDCR", 0xa4050106, 16, 2) {
+		PTD7_FN, PTD7_OUT, PTD7_IN_PU, PTD7_IN,
+		PTD6_FN, PTD6_OUT, PTD6_IN_PU, PTD6_IN,
+		PTD5_FN, PTD5_OUT, PTD5_IN_PU, PTD5_IN,
+		PTD4_FN, PTD4_OUT, PTD4_IN_PU, PTD4_IN,
+		PTD3_FN, PTD3_OUT, PTD3_IN_PU, PTD3_IN,
+		PTD2_FN, PTD2_OUT, PTD2_IN_PU, PTD2_IN,
+		PTD1_FN, PTD1_OUT, PTD1_IN_PU, PTD1_IN,
+		PTD0_FN, PTD0_OUT, PTD0_IN_PU, PTD0_IN }
+	},
+	{ PINMUX_CFG_REG("PECR", 0xa4050108, 16, 2) {
+		0, 0, 0, 0,
+		PTE6_FN, 0, 0, PTE6_IN,
+		PTE5_FN, 0, 0, PTE5_IN,
+		PTE4_FN, PTE4_OUT, PTE4_IN_PU, PTE4_IN,
+		PTE3_FN, PTE3_OUT, PTE3_IN_PU, PTE3_IN,
+		PTE2_FN, PTE2_OUT, PTE2_IN_PU, PTE2_IN,
+		PTE1_FN, PTE1_OUT, PTE1_IN_PU, PTE1_IN,
+		PTE0_FN, PTE0_OUT, PTE0_IN_PU, PTE0_IN }
+	},
+	{ PINMUX_CFG_REG("PFCR", 0xa405010a, 16, 2) {
+		0, 0, 0, 0,
+		PTF6_FN, 0, 0, PTF6_IN,
+		PTF5_FN, 0, 0, PTF5_IN,
+		PTF4_FN, 0, 0, PTF4_IN,
+		PTF3_FN, 0, 0, PTF3_IN,
+		PTF2_FN, 0, 0, PTF2_IN,
+		PTF1_FN, 0, 0, PTF1_IN,
+		PTF0_FN, 0, 0, PTF0_IN }
+	},
+	{ PINMUX_CFG_REG("PGCR", 0xa405010c, 16, 2) {
+		0, 0, 0, 0,
+		PTG6_FN, PTG6_OUT, PTG6_IN_PU, PTG6_IN,
+		PTG5_FN, PTG5_OUT, PTG5_IN_PU, PTG5_IN,
+		PTG4_FN, PTG4_OUT, PTG4_IN_PU, PTG4_IN,
+		PTG3_FN, PTG3_OUT, PTG3_IN_PU, PTG3_IN,
+		PTG2_FN, PTG2_OUT, PTG2_IN_PU, PTG2_IN,
+		PTG1_FN, PTG1_OUT, PTG1_IN_PU, PTG1_IN,
+		PTG0_FN, PTG0_OUT, PTG0_IN_PU, PTG0_IN }
+	},
+	{ PINMUX_CFG_REG("PHCR", 0xa405010e, 16, 2) {
+		0, 0, 0, 0,
+		PTH6_FN, PTH6_OUT, PTH6_IN_PU, PTH6_IN,
+		PTH5_FN, PTH5_OUT, PTH5_IN_PU, PTH5_IN,
+		PTH4_FN, PTH4_OUT, PTH4_IN_PU, PTH4_IN,
+		PTH3_FN, PTH3_OUT, PTH3_IN_PU, PTH3_IN,
+		PTH2_FN, PTH2_OUT, PTH2_IN_PU, PTH2_IN,
+		PTH1_FN, PTH1_OUT, PTH1_IN_PU, PTH1_IN,
+		PTH0_FN, PTH0_OUT, PTH0_IN_PU, PTH0_IN }
+	},
+	{ PINMUX_CFG_REG("PJCR", 0xa4050110, 16, 2) {
+		0, 0, 0, 0,
+		PTJ6_FN, PTJ6_OUT, PTJ6_IN_PU, PTJ6_IN,
+		PTJ5_FN, PTJ5_OUT, PTJ5_IN_PU, PTJ5_IN,
+		PTJ4_FN, PTJ4_OUT, PTJ4_IN_PU, PTJ4_IN,
+		PTJ3_FN, PTJ3_OUT, PTJ3_IN_PU, PTJ3_IN,
+		PTJ2_FN, PTJ2_OUT, PTJ2_IN_PU, PTJ2_IN,
+		PTJ1_FN, PTJ1_OUT, PTJ1_IN_PU, PTJ1_IN,
+		PTJ0_FN, PTJ0_OUT, PTJ0_IN_PU, PTJ0_IN }
+	},
+	{ PINMUX_CFG_REG("PKCR", 0xa4050112, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTK3_FN, PTK3_OUT, PTK3_IN_PU, PTK3_IN,
+		PTK2_FN, PTK2_OUT, PTK2_IN_PU, PTK2_IN,
+		PTK1_FN, PTK1_OUT, PTK1_IN_PU, PTK1_IN,
+		PTK0_FN, PTK0_OUT, PTK0_IN_PU, PTK0_IN }
+	},
+	{ PINMUX_CFG_REG("PLCR", 0xa4050114, 16, 2) {
+		PTL7_FN, PTL7_OUT, PTL7_IN_PU, PTL7_IN,
+		PTL6_FN, PTL6_OUT, PTL6_IN_PU, PTL6_IN,
+		PTL5_FN, PTL5_OUT, PTL5_IN_PU, PTL5_IN,
+		PTL4_FN, PTL4_OUT, PTL4_IN_PU, PTL4_IN,
+		PTL3_FN, PTL3_OUT, PTL3_IN_PU, PTL3_IN,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0 }
+	},
+	{ PINMUX_CFG_REG("PMCR", 0xa4050116, 16, 2) {
+		PTM7_FN, PTM7_OUT, PTM7_IN_PU, PTM7_IN,
+		PTM6_FN, PTM6_OUT, PTM6_IN_PU, PTM6_IN,
+		PTM5_FN, PTM5_OUT, PTM5_IN_PU, PTM5_IN,
+		PTM4_FN, PTM4_OUT, PTM4_IN_PU, PTM4_IN,
+		PTM3_FN, PTM3_OUT, PTM3_IN_PU, PTM3_IN,
+		PTM2_FN, PTM2_OUT, PTM2_IN_PU, PTM2_IN,
+		PTM1_FN, PTM1_OUT, PTM1_IN_PU, PTM1_IN,
+		PTM0_FN, PTM0_OUT, PTM0_IN_PU, PTM0_IN }
+	},
+	{ PINMUX_CFG_REG("PPCR", 0xa4050118, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTP4_FN, PTP4_OUT, PTP4_IN_PU, PTP4_IN,
+		PTP3_FN, PTP3_OUT, PTP3_IN_PU, PTP3_IN,
+		PTP2_FN, PTP2_OUT, PTP2_IN_PU, PTP2_IN,
+		PTP1_FN, PTP1_OUT, PTP1_IN_PU, PTP1_IN,
+		PTP0_FN, PTP0_OUT, PTP0_IN_PU, PTP0_IN }
+	},
+	{ PINMUX_CFG_REG("PRCR", 0xa405011a, 16, 2) {
+		PTR7_FN, PTR7_OUT, PTR7_IN_PU, PTR7_IN,
+		PTR6_FN, PTR6_OUT, PTR6_IN_PU, PTR6_IN,
+		PTR5_FN, PTR5_OUT, PTR5_IN_PU, PTR5_IN,
+		PTR4_FN, PTR4_OUT, PTR4_IN_PU, PTR4_IN,
+		PTR3_FN, PTR3_OUT, PTR3_IN_PU, PTR3_IN,
+		PTR2_FN, PTR2_OUT, PTR2_IN_PU, PTR2_IN,
+		PTR1_FN, PTR1_OUT, PTR1_IN_PU, PTR1_IN,
+		PTR0_FN, PTR0_OUT, PTR0_IN_PU, PTR0_IN }
+	},
+	{ PINMUX_CFG_REG("PSCR", 0xa405011c, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTS4_FN, PTS4_OUT, PTS4_IN_PU, PTS4_IN,
+		PTS3_FN, PTS3_OUT, PTS3_IN_PU, PTS3_IN,
+		PTS2_FN, PTS2_OUT, PTS2_IN_PU, PTS2_IN,
+		PTS1_FN, PTS1_OUT, PTS1_IN_PU, PTS1_IN,
+		PTS0_FN, PTS0_OUT, PTS0_IN_PU, PTS0_IN }
+	},
+	{ PINMUX_CFG_REG("PTCR", 0xa405011e, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTT4_FN, PTT4_OUT, PTT4_IN_PU, PTT4_IN,
+		PTT3_FN, PTT3_OUT, PTT3_IN_PU, PTT3_IN,
+		PTT2_FN, PTT2_OUT, PTT2_IN_PU, PTT2_IN,
+		PTT1_FN, PTT1_OUT, PTT1_IN_PU, PTT1_IN,
+		PTT0_FN, PTT0_OUT, PTT0_IN_PU, PTT0_IN }
+	},
+	{ PINMUX_CFG_REG("PUCR", 0xa4050120, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTU4_FN, PTU4_OUT, PTU4_IN_PU, PTU4_IN,
+		PTU3_FN, PTU3_OUT, PTU3_IN_PU, PTU3_IN,
+		PTU2_FN, PTU2_OUT, PTU2_IN_PU, PTU2_IN,
+		PTU1_FN, PTU1_OUT, PTU1_IN_PU, PTU1_IN,
+		PTU0_FN, PTU0_OUT, PTU0_IN_PU, PTU0_IN }
+	},
+	{ PINMUX_CFG_REG("PVCR", 0xa4050122, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PTV4_FN, PTV4_OUT, PTV4_IN_PU, PTV4_IN,
+		PTV3_FN, PTV3_OUT, PTV3_IN_PU, PTV3_IN,
+		PTV2_FN, PTV2_OUT, PTV2_IN_PU, PTV2_IN,
+		PTV1_FN, PTV1_OUT, PTV1_IN_PU, PTV1_IN,
+		PTV0_FN, PTV0_OUT, PTV0_IN_PU, PTV0_IN }
+	},
+	{}
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PADR", 0xa4050140, 8) {
+		PTA7_DATA, PTA6_DATA, PTA5_DATA, PTA4_DATA,
+		PTA3_DATA, PTA2_DATA, PTA1_DATA, PTA0_DATA }
+	},
+	{ PINMUX_DATA_REG("PBDR", 0xa4050142, 8) {
+		PTB7_DATA, PTB6_DATA, PTB5_DATA, PTB4_DATA,
+		PTB3_DATA, PTB2_DATA, PTB1_DATA, PTB0_DATA }
+	},
+	{ PINMUX_DATA_REG("PCDR", 0xa4050144, 8) {
+		PTC7_DATA, PTC6_DATA, PTC5_DATA, PTC4_DATA,
+		PTC3_DATA, PTC2_DATA, PTC1_DATA, PTC0_DATA }
+	},
+	{ PINMUX_DATA_REG("PDDR", 0xa4050126, 8) {
+		PTD7_DATA, PTD6_DATA, PTD5_DATA, PTD4_DATA,
+		PTD3_DATA, PTD2_DATA, PTD1_DATA, PTD0_DATA }
+	},
+	{ PINMUX_DATA_REG("PEDR", 0xa4050148, 8) {
+		0, PTE6_DATA, PTE5_DATA, PTE4_DATA,
+		PTE3_DATA, PTE2_DATA, PTE1_DATA, PTE0_DATA }
+	},
+	{ PINMUX_DATA_REG("PFDR", 0xa405014a, 8) {
+		0, PTF6_DATA, PTF5_DATA, PTF4_DATA,
+		PTF3_DATA, PTF2_DATA, PTF1_DATA, PTF0_DATA }
+	},
+	{ PINMUX_DATA_REG("PGDR", 0xa405014c, 8) {
+		0, PTG6_DATA, PTG5_DATA, PTG4_DATA,
+		PTG3_DATA, PTG2_DATA, PTG1_DATA, PTG0_DATA }
+	},
+	{ PINMUX_DATA_REG("PHDR", 0xa405014e, 8) {
+		0, PTH6_DATA, PTH5_DATA, PTH4_DATA,
+		PTH3_DATA, PTH2_DATA, PTH1_DATA, PTH0_DATA }
+	},
+	{ PINMUX_DATA_REG("PJDR", 0xa4050150, 8) {
+		0, PTJ6_DATA, PTJ5_DATA, PTJ4_DATA,
+		PTJ3_DATA, PTJ2_DATA, PTJ1_DATA, PTJ0_DATA }
+	},
+	{ PINMUX_DATA_REG("PKDR", 0xa4050152, 8) {
+		0, 0, 0, 0,
+		PTK3_DATA, PTK2_DATA, PTK1_DATA, PTK0_DATA }
+	},
+	{ PINMUX_DATA_REG("PLDR", 0xa4050154, 8) {
+		PTL7_DATA, PTL6_DATA, PTL5_DATA, PTL4_DATA,
+		PTL3_DATA, 0, 0, 0 }
+	},
+	{ PINMUX_DATA_REG("PMDR", 0xa4050156, 8) {
+		PTM7_DATA, PTM6_DATA, PTM5_DATA, PTM4_DATA,
+		PTM3_DATA, PTM2_DATA, PTM1_DATA, PTM0_DATA }
+	},
+	{ PINMUX_DATA_REG("PPDR", 0xa4050158, 8) {
+		0, 0, 0, PTP4_DATA,
+		PTP3_DATA, PTP2_DATA, PTP1_DATA, PTP0_DATA }
+	},
+	{ PINMUX_DATA_REG("PRDR", 0xa405015a, 8) {
+		PTR7_DATA, PTR6_DATA, PTR5_DATA, PTR4_DATA,
+		PTR3_DATA, PTR2_DATA, PTR1_DATA, PTR0_DATA }
+	},
+	{ PINMUX_DATA_REG("PSDR", 0xa405015c, 8) {
+		0, 0, 0, PTS4_DATA,
+		PTS3_DATA, PTS2_DATA, PTS1_DATA, PTS0_DATA }
+	},
+	{ PINMUX_DATA_REG("PTDR", 0xa405015e, 8) {
+		0, 0, 0, PTT4_DATA,
+		PTT3_DATA, PTT2_DATA, PTT1_DATA, PTT0_DATA }
+	},
+	{ PINMUX_DATA_REG("PUDR", 0xa4050160, 8) {
+		0, 0, 0, PTU4_DATA,
+		PTU3_DATA, PTU2_DATA, PTU1_DATA, PTU0_DATA }
+	},
+	{ PINMUX_DATA_REG("PVDR", 0xa4050162, 8) {
+		0, 0, 0, PTV4_DATA,
+		PTV3_DATA, PTV2_DATA, PTV1_DATA, PTV0_DATA }
+	},
+	{ },
+};
+
+static struct pinmux_info sh7720_pinmux_info = {
+	.name = "sh7720_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PTA7,
+	.last_gpio = GPIO_FN_STATUS1,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+static int __init plat_pinmux_setup(void)
+{
+	return register_pinmux(&sh7720_pinmux_info);
+}
+
+arch_initcall(plat_pinmux_setup);
-- 
GitLab


From 843284d0e41b2a7f88504d051d91b5e9dc9c78c7 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 8 Oct 2008 20:42:56 +0900
Subject: [PATCH 1300/2224] sh: Use sh7720 GPIO on magicpanelr2 board

This patch hooks up the magicpanelr2 board with the sh7720 pinmux code.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/Kconfig              |  1 +
 arch/sh/boards/board-magicpanelr2.c | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 6c4cbf15ce8..50467f9d0d0 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -238,6 +238,7 @@ config SH_X3PROTO
 config SH_MAGIC_PANEL_R2
 	bool "Magic Panel R2"
 	depends on CPU_SUBTYPE_SH7720
+	select GENERIC_GPIO
 	help
 	  Select Magic Panel R2 if configuring for Magic Panel R2.
 
diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c
index f3b8b07ea5d..eb0e8e992c2 100644
--- a/arch/sh/boards/board-magicpanelr2.c
+++ b/arch/sh/boards/board-magicpanelr2.c
@@ -13,12 +13,14 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
+#include <linux/gpio.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/map.h>
 #include <asm/magicpanelr2.h>
 #include <asm/heartbeat.h>
+#include <asm/sh7720.h>
 
 #define LAN9115_READY	(ctrl_inl(0xA8000084UL) & 0x00000001UL)
 
@@ -170,7 +172,14 @@ static void __init setup_port_multiplexing(void)
 	/* R7 A25;	     R6 A24;	     R5 A23;		  R4 A22;
 	 * R3 A21;	     R2 A20;	     R1 A19;		  R0 A0;
 	 */
-	ctrl_outw(0x0000, PORT_PRCR);	/* 00 00 00 00 00 00 00 00 */
+	gpio_request(GPIO_FN_A25, NULL);
+	gpio_request(GPIO_FN_A24, NULL);
+	gpio_request(GPIO_FN_A23, NULL);
+	gpio_request(GPIO_FN_A22, NULL);
+	gpio_request(GPIO_FN_A21, NULL);
+	gpio_request(GPIO_FN_A20, NULL);
+	gpio_request(GPIO_FN_A19, NULL);
+	gpio_request(GPIO_FN_A0, NULL);
 
 	/* S7 (x);		S6 (x);        S5 (x);	     S4 GPO(EEPROM_CS2);
 	 * S3 GPO(EEPROM_CS1);  S2 SIOF0_TXD;  S1 SIOF0_RXD; S0 SIOF0_SCK;
-- 
GitLab


From a3e0270663a520a2cb8c7418c098676f25478d2f Mon Sep 17 00:00:00 2001
From: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Date: Fri, 17 Oct 2008 16:53:57 +0900
Subject: [PATCH 1301/2224] sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA
 board

Renesas AP325RXA board has Epson RX-8564LC of RTC.
This patch supports RTC of this board.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-ap325rxa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 7ae8dcddfeb..6abaf46a983 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -294,6 +294,9 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
 };
 
 static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("pcf8563", 0x51),
+	},
 };
 
 static int __init ap325rxa_devices_setup(void)
-- 
GitLab


From 9986b311efdc9727a5a48f03c3dac3d536fbaa74 Mon Sep 17 00:00:00 2001
From: Zhaolei <zhaolei@cn.fujitsu.com>
Date: Fri, 17 Oct 2008 19:25:03 +0800
Subject: [PATCH 1302/2224] Fix debugfs_create_dir's error checking method for
 arch/sh/kernel/

debugfs_create_dir() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/setup.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 267b344099c..836e80d5cb9 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -554,6 +554,8 @@ struct dentry *sh_debugfs_root;
 static int __init sh_debugfs_init(void)
 {
 	sh_debugfs_root = debugfs_create_dir("sh", NULL);
+	if (!sh_debugfs_root)
+		return -ENOMEM;
 	if (IS_ERR(sh_debugfs_root))
 		return PTR_ERR(sh_debugfs_root);
 
-- 
GitLab


From 25627c7fd71269e2658b6872eef65719ee80b9aa Mon Sep 17 00:00:00 2001
From: Zhaolei <zhaolei@cn.fujitsu.com>
Date: Fri, 17 Oct 2008 19:25:09 +0800
Subject: [PATCH 1303/2224] Fix debugfs_create_file's error checking method for
 arch/sh/mm/

debugfs_create_file() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/cache-debugfs.c | 6 ++++++
 arch/sh/mm/pmb.c           | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index 0e189ccd4a7..5ba067b2659 100644
--- a/arch/sh/mm/cache-debugfs.c
+++ b/arch/sh/mm/cache-debugfs.c
@@ -130,12 +130,18 @@ static int __init cache_debugfs_init(void)
 	dcache_dentry = debugfs_create_file("dcache", S_IRUSR, sh_debugfs_root,
 					    (unsigned int *)CACHE_TYPE_DCACHE,
 					    &cache_debugfs_fops);
+	if (!dcache_dentry)
+		return -ENOMEM;
 	if (IS_ERR(dcache_dentry))
 		return PTR_ERR(dcache_dentry);
 
 	icache_dentry = debugfs_create_file("icache", S_IRUSR, sh_debugfs_root,
 					    (unsigned int *)CACHE_TYPE_ICACHE,
 					    &cache_debugfs_fops);
+	if (!icache_dentry) {
+		debugfs_remove(dcache_dentry);
+		return -ENOMEM;
+	}
 	if (IS_ERR(icache_dentry)) {
 		debugfs_remove(dcache_dentry);
 		return PTR_ERR(icache_dentry);
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index cef727669c8..84241676265 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -394,6 +394,8 @@ static int __init pmb_debugfs_init(void)
 
 	dentry = debugfs_create_file("pmb", S_IFREG | S_IRUGO,
 				     sh_debugfs_root, NULL, &pmb_debugfs_fops);
+	if (!dentry)
+		return -ENOMEM;
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);
 
-- 
GitLab


From 9a19eb2a6607f2f6329efb3c4637fe23afae2cd7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 20 Oct 2008 11:37:58 +0900
Subject: [PATCH 1304/2224] sh: Fix up some merge damage.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/elf.h | 2 ++
 arch/sh/kernel/setup.c    | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index f7d0b8e6aa8..9eb9036a1bd 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -197,6 +197,8 @@ do {									\
 } while (0)
 #endif
 
+#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT)
+
 #ifdef CONFIG_VSYSCALL
 /* vDSO has arch_setup_additional_pages */
 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 836e80d5cb9..5767f0a84cd 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -282,7 +282,7 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
 			printk("initrd extends beyond end of memory "
 			       "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
 			       initrd_start_phys + INITRD_SIZE,
-			       PFN_PHYS(max_low_pfn));
+			       (unsigned long)PFN_PHYS(max_low_pfn));
 			initrd_start = 0;
 		}
 	}
-- 
GitLab


From a30c89ad41099f58922e0941e346e7c4371655b9 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 9 Oct 2008 18:41:34 +0900
Subject: [PATCH 1305/2224] sh: reduce Migo-R smc91x overruns

Improve Migo-R ethernet performance by reducing smc91x overruns.
This is done by enabling SMC91X_NOWAIT and optimizing CS4 setup.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-migor/setup.c | 6 ++++--
 arch/sh/include/asm/migor.h       | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 003ce837734..3e3cc9da34a 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -37,7 +37,7 @@
  */
 
 static struct smc91x_platdata smc91x_info = {
-	.flags = SMC91X_USE_16BIT,
+	.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 };
 
 static struct resource smc91x_eth_resources[] = {
@@ -463,8 +463,10 @@ static int __init migor_devices_setup(void)
 	gpio_direction_output(GPIO_PTJ5, 1);
 	gpio_export(GPIO_PTJ5, 0);
 
-	/* SMC91C111 */
+	/* SMC91C111 - Enable IRQ0, Setup CS4 for 16-bit fast access */
 	gpio_request(GPIO_FN_IRQ0, NULL);
+	ctrl_outl(0x00003400, BSC_CS4BCR);
+	ctrl_outl(0x00110080, BSC_CS4WCR);
 
 	/* KEYSC */
 	clk_always_enable("mstp214"); /* KEYSC */
diff --git a/arch/sh/include/asm/migor.h b/arch/sh/include/asm/migor.h
index 70596d38fd6..e451f0229e0 100644
--- a/arch/sh/include/asm/migor.h
+++ b/arch/sh/include/asm/migor.h
@@ -52,7 +52,9 @@
 #define PORT_HIZCRB 0xa405015a
 #define PORT_HIZCRC 0xa405015c
 
+#define BSC_CS4BCR 0xfec10010
 #define BSC_CS6ABCR 0xfec1001c
+#define BSC_CS4WCR 0xfec10030
 
 #include <video/sh_mobile_lcdc.h>
 
-- 
GitLab


From 4aeaa223433355a281559033f1e7600bfd73238e Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 9 Oct 2008 18:42:55 +0900
Subject: [PATCH 1306/2224] sh: add dynamic crash base address support

Add support for dynamic crash kernel base address.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/setup.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 5767f0a84cd..e7152cc6930 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -147,6 +147,7 @@ static void __init reserve_crashkernel(void)
 {
 	unsigned long long free_mem;
 	unsigned long long crash_size, crash_base;
+	void *vp;
 	int ret;
 
 	free_mem = ((unsigned long long)max_low_pfn - min_low_pfn) << PAGE_SHIFT;
@@ -155,12 +156,14 @@ static void __init reserve_crashkernel(void)
 			&crash_size, &crash_base);
 	if (ret == 0 && crash_size) {
 		if (crash_base <= 0) {
-			printk(KERN_INFO "crashkernel reservation failed - "
-					"you have to specify a base address\n");
-			return;
-		}
-
-		if (reserve_bootmem(crash_base, crash_size,
+			vp = alloc_bootmem_nopanic(crash_size); 
+			if (!vp) {
+				printk(KERN_INFO "crashkernel allocation "
+				       "failed\n");
+				return;
+			}
+			crash_base = __pa(vp);
+		} else if (reserve_bootmem(crash_base, crash_size,
 					BOOTMEM_EXCLUSIVE) < 0) {
 			printk(KERN_INFO "crashkernel reservation failed - "
 					"memory is in use\n");
-- 
GitLab


From 7713718751aa8b8df39314b7e49ea2f66a5d1f0c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 9 Oct 2008 18:43:57 +0900
Subject: [PATCH 1307/2224] sh: remove consistent alloc cruft

Remove left overs from the generic declared coherent rework.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/consistent.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 7619a0fae08..9f8ea3ada4d 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -16,14 +16,6 @@
 #include <asm/addrspace.h>
 #include <asm/io.h>
 
-struct dma_coherent_mem {
-	void		*virt_base;
-	u32		device_base;
-	int		size;
-	int		flags;
-	unsigned long	*bitmap;
-};
-
 void *dma_alloc_coherent(struct device *dev, size_t size,
 			   dma_addr_t *dma_handle, gfp_t gfp)
 {
@@ -58,12 +50,10 @@ EXPORT_SYMBOL(dma_alloc_coherent);
 void dma_free_coherent(struct device *dev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle)
 {
-	struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;
 	int order = get_order(size);
 
 	if (!dma_release_from_coherent(dev, order, vaddr)) {
 		WARN_ON(irqs_disabled());	/* for portability */
-		BUG_ON(mem && mem->flags & DMA_MEMORY_EXCLUSIVE);
 		free_pages((unsigned long)phys_to_virt(dma_handle), order);
 		iounmap(vaddr);
 	}
-- 
GitLab


From 7994b1c55ec19238067a47f09b0463db3a48c33c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 9 Oct 2008 18:47:27 +0900
Subject: [PATCH 1308/2224] video: remove unused sh_mobile_lcdc platform data

Remove lddckr from the platform data, these days we calculate the
register value from clock source and clock dividers anyway.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/video/sh_mobile_lcdcfb.c | 1 -
 include/video/sh_mobile_lcdc.h   | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index b7468bacce8..399a8a75ab0 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -589,7 +589,6 @@ static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
 		goto err1;
 	}
 
-	priv->lddckr = pdata->lddckr;
 	priv->base = ioremap_nocache(res->start, (res->end - res->start) + 1);
 
 	for (i = 0; i < j; i++) {
diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h
index 130102f663f..bfb42dbc5cc 100644
--- a/include/video/sh_mobile_lcdc.h
+++ b/include/video/sh_mobile_lcdc.h
@@ -64,7 +64,6 @@ struct sh_mobile_lcdc_chan_cfg {
 };
 
 struct sh_mobile_lcdc_info {
-	unsigned long lddckr;
 	int clock_source;
 	struct sh_mobile_lcdc_chan_cfg ch[2];
 };
-- 
GitLab


From f400f510df4e29bd00ffe07981ec703070cb9e19 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 9 Oct 2008 18:48:16 +0900
Subject: [PATCH 1309/2224] video: add sh_mobile_lcdc platform flags

Add platform data flags for detailed lcd display configuration.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/video/sh_mobile_lcdcfb.c | 5 +++++
 include/video/sh_mobile_lcdc.h   | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 399a8a75ab0..efff672fd7b 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -262,6 +262,11 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 		tmp = ch->ldmt1r_value;
 		tmp |= (lcd_cfg->sync & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1 << 28;
 		tmp |= (lcd_cfg->sync & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1 << 27;
+		tmp |= (ch->cfg.flags & LCDC_FLAGS_DWPOL) ? 1 << 26 : 0;
+		tmp |= (ch->cfg.flags & LCDC_FLAGS_DIPOL) ? 1 << 25 : 0;
+		tmp |= (ch->cfg.flags & LCDC_FLAGS_DAPOL) ? 1 << 24 : 0;
+		tmp |= (ch->cfg.flags & LCDC_FLAGS_HSCNT) ? 1 << 17 : 0;
+		tmp |= (ch->cfg.flags & LCDC_FLAGS_DWCNT) ? 1 << 16 : 0;
 		lcdc_write_chan(ch, LDMT1R, tmp);
 
 		/* setup SYS bus */
diff --git a/include/video/sh_mobile_lcdc.h b/include/video/sh_mobile_lcdc.h
index bfb42dbc5cc..1a4bc6ada60 100644
--- a/include/video/sh_mobile_lcdc.h
+++ b/include/video/sh_mobile_lcdc.h
@@ -28,6 +28,12 @@ enum { LCDC_CHAN_DISABLED = 0,
 
 enum { LCDC_CLK_BUS, LCDC_CLK_PERIPHERAL, LCDC_CLK_EXTERNAL };
 
+#define LCDC_FLAGS_DWPOL (1 << 0) /* Rising edge dot clock data latch */
+#define LCDC_FLAGS_DIPOL (1 << 1) /* Active low display enable polarity */
+#define LCDC_FLAGS_DAPOL (1 << 2) /* Active low display data polarity */
+#define LCDC_FLAGS_HSCNT (1 << 3) /* Disable HSYNC during VBLANK */
+#define LCDC_FLAGS_DWCNT (1 << 4) /* Disable dotclock during blanking */
+
 struct sh_mobile_lcdc_sys_bus_cfg {
 	unsigned long ldmt2r;
 	unsigned long ldmt3r;
@@ -57,6 +63,7 @@ struct sh_mobile_lcdc_chan_cfg {
 	int bpp;
 	int interface_type; /* selects RGBn or SYSn I/F, see above */
 	int clock_divider;
+	unsigned long flags; /* LCDC_FLAGS_... */
 	struct fb_videomode lcd_cfg;
 	struct sh_mobile_lcdc_lcd_size_cfg lcd_size_cfg;
 	struct sh_mobile_lcdc_board_cfg board_cfg;
-- 
GitLab


From ba1d28181c586deec468cc6ae558c0c099f1b956 Mon Sep 17 00:00:00 2001
From: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Date: Fri, 3 Oct 2008 17:37:31 +0900
Subject: [PATCH 1310/2224] serial: sh-sci: Add support SCIF of SH7723

SH7723 has two types of SCIF (SCIF and SCIFA).
The current sh-sci driver supports only SCIFA, and calculation methods of SCBRR
are different.
This patch support this methods.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/serial/sh-sci.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index 511c10d4218..7cd28b22680 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -789,7 +789,14 @@ static inline int sci_rxd_in(struct uart_port *port)
       defined(CONFIG_CPU_SUBTYPE_SH7721)
 #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723)
-#define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(16*bps)-1)
+static inline int scbrr_calc(struct uart_port *port, int bps, int clk)
+{
+	if (port->type == PORT_SCIF)
+		return (clk+16*bps)/(32*bps)-1;
+	else
+		return ((clk*2)+16*bps)/(16*bps)-1;
+}
+#define SCBRR_VALUE(bps, clk) scbrr_calc(port, bps, clk)
 #elif defined(__H8300H__) || defined(__H8300S__)
 #define SCBRR_VALUE(bps, clk) (((clk*1000/32)/bps)-1)
 #else /* Generic SH */
-- 
GitLab


From f7275650133ce9df83886684f3bd97373dfc21ea Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 20 Oct 2008 12:04:53 +0900
Subject: [PATCH 1311/2224] sh: Move the CPU definition headers from asm/ to
 cpu/.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-ap325rxa.c                | 2 +-
 arch/sh/boards/board-magicpanelr2.c            | 2 +-
 arch/sh/boards/mach-migor/lcd_qvga.c           | 2 +-
 arch/sh/boards/mach-migor/setup.c              | 2 +-
 arch/sh/include/{asm => cpu-sh2a/cpu}/sh7203.h | 0
 arch/sh/include/{asm => cpu-sh3/cpu}/sh7720.h  | 0
 arch/sh/include/{asm => cpu-sh4}/sh7722.h      | 0
 arch/sh/include/{asm => cpu-sh4}/sh7723.h      | 0
 arch/sh/kernel/cpu/sh3/pinmux-sh7720.c         | 2 +-
 arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c        | 2 +-
 arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c        | 2 +-
 11 files changed, 7 insertions(+), 7 deletions(-)
 rename arch/sh/include/{asm => cpu-sh2a/cpu}/sh7203.h (100%)
 rename arch/sh/include/{asm => cpu-sh3/cpu}/sh7720.h (100%)
 rename arch/sh/include/{asm => cpu-sh4}/sh7722.h (100%)
 rename arch/sh/include/{asm => cpu-sh4}/sh7723.h (100%)

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 84fa8a04eac..7c7874e6ac3 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -24,7 +24,7 @@
 #include <video/sh_mobile_lcdc.h>
 #include <asm/io.h>
 #include <asm/clock.h>
-#include <asm/sh7723.h>
+#include <cpu/sh7723.h>
 
 static struct smc911x_platdata smc911x_info = {
 	.flags = SMC911X_USE_32BIT,
diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c
index eb0e8e992c2..da6bff83a6e 100644
--- a/arch/sh/boards/board-magicpanelr2.c
+++ b/arch/sh/boards/board-magicpanelr2.c
@@ -20,7 +20,7 @@
 #include <linux/mtd/map.h>
 #include <asm/magicpanelr2.h>
 #include <asm/heartbeat.h>
-#include <asm/sh7720.h>
+#include <cpu/sh7720.h>
 
 #define LAN9115_READY	(ctrl_inl(0xA8000084UL) & 0x00000001UL)
 
diff --git a/arch/sh/boards/mach-migor/lcd_qvga.c b/arch/sh/boards/mach-migor/lcd_qvga.c
index c283cfc2a5c..71a40710a5a 100644
--- a/arch/sh/boards/mach-migor/lcd_qvga.c
+++ b/arch/sh/boards/mach-migor/lcd_qvga.c
@@ -19,7 +19,7 @@
 #include <linux/module.h>
 #include <linux/gpio.h>
 #include <video/sh_mobile_lcdc.h>
-#include <asm/sh7722.h>
+#include <cpu/sh7722.h>
 #include <asm/migor.h>
 
 /* LCD Module is a PH240320T according to board schematics. This module
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 3e3cc9da34a..d00cce04d6e 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -26,7 +26,7 @@
 #include <asm/io.h>
 #include <asm/sh_keysc.h>
 #include <asm/migor.h>
-#include <asm/sh7722.h>
+#include <cpu/sh7722.h>
 
 /* Address     IRQ  Size  Bus  Description
  * 0x00000000       64MB  16   NOR Flash (SP29PL256N)
diff --git a/arch/sh/include/asm/sh7203.h b/arch/sh/include/cpu-sh2a/cpu/sh7203.h
similarity index 100%
rename from arch/sh/include/asm/sh7203.h
rename to arch/sh/include/cpu-sh2a/cpu/sh7203.h
diff --git a/arch/sh/include/asm/sh7720.h b/arch/sh/include/cpu-sh3/cpu/sh7720.h
similarity index 100%
rename from arch/sh/include/asm/sh7720.h
rename to arch/sh/include/cpu-sh3/cpu/sh7720.h
diff --git a/arch/sh/include/asm/sh7722.h b/arch/sh/include/cpu-sh4/sh7722.h
similarity index 100%
rename from arch/sh/include/asm/sh7722.h
rename to arch/sh/include/cpu-sh4/sh7722.h
diff --git a/arch/sh/include/asm/sh7723.h b/arch/sh/include/cpu-sh4/sh7723.h
similarity index 100%
rename from arch/sh/include/asm/sh7723.h
rename to arch/sh/include/cpu-sh4/sh7723.h
diff --git a/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c b/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
index b66c239509a..9ca15462714 100644
--- a/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
@@ -11,7 +11,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
-#include <asm/sh7720.h>
+#include <cpu/sh7720.h>
 
 enum {
 	PINMUX_RESERVED = 0,
diff --git a/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c b/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
index 51b12ab58c9..cb9d07bd59f 100644
--- a/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/pinmux-sh7722.c
@@ -1,7 +1,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
-#include <asm/sh7722.h>
+#include <cpu/sh7722.h>
 
 enum {
 	PINMUX_RESERVED = 0,
diff --git a/arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c b/arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c
index 92a9bc91015..88bf5ecda84 100644
--- a/arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/pinmux-sh7723.c
@@ -11,7 +11,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
-#include <asm/sh7723.h>
+#include <cpu/sh7723.h>
 
 enum {
 	PINMUX_RESERVED = 0,
-- 
GitLab


From 7639a4541f7e7abb1295ff8ab39cc2f5842239ae Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 20 Oct 2008 13:02:48 +0900
Subject: [PATCH 1312/2224] sh: Migrate common board headers to mach-common/.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/Makefile                                               | 3 +++
 arch/sh/boards/board-magicpanelr2.c                            | 2 +-
 arch/sh/boards/board-sh7785lcr.c                               | 2 +-
 arch/sh/boards/board-shmin.c                                   | 2 +-
 arch/sh/boards/mach-edosk7705/io.c                             | 2 +-
 arch/sh/boards/mach-edosk7705/setup.c                          | 2 +-
 arch/sh/boards/mach-highlander/irq-r7780mp.c                   | 2 +-
 arch/sh/boards/mach-highlander/irq-r7780rp.c                   | 2 +-
 arch/sh/boards/mach-highlander/irq-r7785rp.c                   | 2 +-
 arch/sh/boards/mach-highlander/psw.c                           | 2 +-
 arch/sh/boards/mach-highlander/setup.c                         | 2 +-
 arch/sh/boards/mach-hp6xx/hp6xx_apm.c                          | 2 +-
 arch/sh/boards/mach-hp6xx/pm.c                                 | 2 +-
 arch/sh/boards/mach-hp6xx/setup.c                              | 2 +-
 arch/sh/boards/mach-lboxre2/irq.c                              | 2 +-
 arch/sh/boards/mach-lboxre2/setup.c                            | 2 +-
 arch/sh/boards/mach-microdev/io.c                              | 2 +-
 arch/sh/boards/mach-microdev/irq.c                             | 2 +-
 arch/sh/boards/mach-microdev/setup.c                           | 2 +-
 arch/sh/boards/mach-migor/lcd_qvga.c                           | 2 +-
 arch/sh/boards/mach-migor/setup.c                              | 2 +-
 arch/sh/boards/mach-r2d/irq.c                                  | 2 +-
 arch/sh/boards/mach-r2d/setup.c                                | 2 +-
 arch/sh/boards/mach-sdk7780/irq.c                              | 2 +-
 arch/sh/boards/mach-sdk7780/setup.c                            | 2 +-
 arch/sh/boards/mach-sh7763rdp/irq.c                            | 2 +-
 arch/sh/boards/mach-sh7763rdp/setup.c                          | 2 +-
 arch/sh/boards/mach-snapgear/setup.c                           | 2 +-
 arch/sh/boards/mach-systemh/io.c                               | 2 +-
 arch/sh/boards/mach-systemh/irq.c                              | 2 +-
 arch/sh/boards/mach-systemh/setup.c                            | 2 +-
 arch/sh/boards/mach-titan/io.c                                 | 2 +-
 arch/sh/boards/mach-titan/setup.c                              | 2 +-
 arch/sh/drivers/pci/ops-lboxre2.c                              | 2 +-
 arch/sh/drivers/pci/ops-r7780rp.c                              | 2 +-
 arch/sh/drivers/pci/ops-rts7751r2d.c                           | 2 +-
 arch/sh/drivers/pci/ops-sdk7780.c                              | 2 +-
 arch/sh/drivers/pci/ops-titan.c                                | 2 +-
 arch/sh/include/{asm => mach-common/mach}/edosk7705.h          | 0
 .../include/{asm/r7780rp.h => mach-common/mach/highlander.h}   | 0
 arch/sh/include/{asm => mach-common/mach}/hp6xx.h              | 0
 arch/sh/include/{asm => mach-common/mach}/lboxre2.h            | 0
 arch/sh/include/{asm => mach-common/mach}/magicpanelr2.h       | 0
 arch/sh/include/{asm => mach-common/mach}/microdev.h           | 0
 arch/sh/include/{asm => mach-common/mach}/migor.h              | 0
 arch/sh/include/{asm/rts7751r2d.h => mach-common/mach/r2d.h}   | 0
 arch/sh/include/{asm => mach-common/mach}/sdk7780.h            | 0
 arch/sh/include/{asm => mach-common/mach}/sh7763rdp.h          | 0
 arch/sh/include/{asm => mach-common/mach}/sh7785lcr.h          | 0
 arch/sh/include/{asm => mach-common/mach}/shmin.h              | 0
 arch/sh/include/{asm => mach-common/mach}/snapgear.h           | 0
 arch/sh/include/{asm => mach-common/mach}/systemh7751.h        | 0
 arch/sh/include/{asm => mach-common/mach}/titan.h              | 0
 drivers/input/touchscreen/hp680_ts_input.c                     | 2 +-
 drivers/leds/leds-hp6xx.c                                      | 2 +-
 drivers/rtc/rtc-ds1302.c                                       | 2 +-
 drivers/video/backlight/hp680_bl.c                             | 2 +-
 sound/oss/sh_dac_audio.c                                       | 2 +-
 58 files changed, 45 insertions(+), 42 deletions(-)
 rename arch/sh/include/{asm => mach-common/mach}/edosk7705.h (100%)
 rename arch/sh/include/{asm/r7780rp.h => mach-common/mach/highlander.h} (100%)
 rename arch/sh/include/{asm => mach-common/mach}/hp6xx.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/lboxre2.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/magicpanelr2.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/microdev.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/migor.h (100%)
 rename arch/sh/include/{asm/rts7751r2d.h => mach-common/mach/r2d.h} (100%)
 rename arch/sh/include/{asm => mach-common/mach}/sdk7780.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/sh7763rdp.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/sh7785lcr.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/shmin.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/snapgear.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/systemh7751.h (100%)
 rename arch/sh/include/{asm => mach-common/mach}/titan.h (100%)

diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 0bc956012c3..1f409bf8180 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -125,6 +125,9 @@ core-y	+= $(addprefix arch/sh/boards/, \
 	     $(filter-out ., $(patsubst %,%/,$(machdir-y))))
 endif
 
+# Common machine type headers. Not part of the arch/sh/boards/ hierarchy.
+machdir-y	+= mach-common
+
 # Companion chips
 core-$(CONFIG_HD6446X_SERIES)	+= arch/sh/cchips/hd6446x/
 
diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c
index da6bff83a6e..3de22ccdeb7 100644
--- a/arch/sh/boards/board-magicpanelr2.c
+++ b/arch/sh/boards/board-magicpanelr2.c
@@ -18,7 +18,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/map.h>
-#include <asm/magicpanelr2.h>
+#include <mach/magicpanelr2.h>
 #include <asm/heartbeat.h>
 #include <cpu/sh7720.h>
 
diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c
index b95d674ee70..408bbddaf32 100644
--- a/arch/sh/boards/board-sh7785lcr.c
+++ b/arch/sh/boards/board-sh7785lcr.c
@@ -19,7 +19,7 @@
 #include <linux/i2c-pca-platform.h>
 #include <linux/i2c-algo-pca.h>
 #include <asm/heartbeat.h>
-#include <asm/sh7785lcr.h>
+#include <mach/sh7785lcr.h>
 
 /*
  * NOTE: This board has 2 physical memory maps.
diff --git a/arch/sh/boards/board-shmin.c b/arch/sh/boards/board-shmin.c
index 16e5dae8ecf..5cc0867de5a 100644
--- a/arch/sh/boards/board-shmin.c
+++ b/arch/sh/boards/board-shmin.c
@@ -8,7 +8,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <asm/machvec.h>
-#include <asm/shmin.h>
+#include <mach/shmin.h>
 #include <asm/clock.h>
 #include <asm/io.h>
 
diff --git a/arch/sh/boards/mach-edosk7705/io.c b/arch/sh/boards/mach-edosk7705/io.c
index 541cea2a652..7d153e50a01 100644
--- a/arch/sh/boards/mach-edosk7705/io.c
+++ b/arch/sh/boards/mach-edosk7705/io.c
@@ -11,7 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <asm/io.h>
-#include <asm/edosk7705/io.h>
+#include <mach/edosk7705.h>
 #include <asm/addrspace.h>
 
 #define SMC_IOADDR	0xA2000000
diff --git a/arch/sh/boards/mach-edosk7705/setup.c b/arch/sh/boards/mach-edosk7705/setup.c
index f076c45308d..ab3f47bffdf 100644
--- a/arch/sh/boards/mach-edosk7705/setup.c
+++ b/arch/sh/boards/mach-edosk7705/setup.c
@@ -10,7 +10,7 @@
  */
 #include <linux/init.h>
 #include <asm/machvec.h>
-#include <asm/edosk7705/io.h>
+#include <mach/edosk7705.h>
 
 static void __init sh_edosk7705_init_irq(void)
 {
diff --git a/arch/sh/boards/mach-highlander/irq-r7780mp.c b/arch/sh/boards/mach-highlander/irq-r7780mp.c
index ae1cfcb2970..83c28bcd4d2 100644
--- a/arch/sh/boards/mach-highlander/irq-r7780mp.c
+++ b/arch/sh/boards/mach-highlander/irq-r7780mp.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
-#include <asm/r7780rp.h>
+#include <mach/highlander.h>
 
 enum {
 	UNUSED = 0,
diff --git a/arch/sh/boards/mach-highlander/irq-r7780rp.c b/arch/sh/boards/mach-highlander/irq-r7780rp.c
index 9d3921fe27c..b721e86b5af 100644
--- a/arch/sh/boards/mach-highlander/irq-r7780rp.c
+++ b/arch/sh/boards/mach-highlander/irq-r7780rp.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
-#include <asm/r7780rp.h>
+#include <mach/highlander.h>
 
 enum {
 	UNUSED = 0,
diff --git a/arch/sh/boards/mach-highlander/irq-r7785rp.c b/arch/sh/boards/mach-highlander/irq-r7785rp.c
index 896c045aa39..3811b060a39 100644
--- a/arch/sh/boards/mach-highlander/irq-r7785rp.c
+++ b/arch/sh/boards/mach-highlander/irq-r7785rp.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
-#include <asm/r7780rp.h>
+#include <mach/highlander.h>
 
 enum {
 	UNUSED = 0,
diff --git a/arch/sh/boards/mach-highlander/psw.c b/arch/sh/boards/mach-highlander/psw.c
index be8d5477fc6..37b1a2ee71a 100644
--- a/arch/sh/boards/mach-highlander/psw.c
+++ b/arch/sh/boards/mach-highlander/psw.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
-#include <asm/r7780rp.h>
+#include <mach/highlander.h>
 #include <asm/push-switch.h>
 
 static irqreturn_t psw_irq_handler(int irq, void *arg)
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index bc79afb6fc4..c5a40f7906d 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -20,7 +20,7 @@
 #include <linux/i2c.h>
 #include <net/ax88796.h>
 #include <asm/machvec.h>
-#include <asm/r7780rp.h>
+#include <mach/highlander.h>
 #include <asm/clock.h>
 #include <asm/heartbeat.h>
 #include <asm/io.h>
diff --git a/arch/sh/boards/mach-hp6xx/hp6xx_apm.c b/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
index 177f4f028e0..e85212faf40 100644
--- a/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
+++ b/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
@@ -14,7 +14,7 @@
 #include <linux/apm-emulation.h>
 #include <linux/io.h>
 #include <asm/adc.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
 
 /* percentage values */
 #define APM_CRITICAL			10
diff --git a/arch/sh/boards/mach-hp6xx/pm.c b/arch/sh/boards/mach-hp6xx/pm.c
index e96684def78..64af1f2eef0 100644
--- a/arch/sh/boards/mach-hp6xx/pm.c
+++ b/arch/sh/boards/mach-hp6xx/pm.c
@@ -12,7 +12,7 @@
 #include <linux/time.h>
 #include <asm/io.h>
 #include <asm/hd64461.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
 #include <cpu/dac.h>
 #include <asm/pm.h>
 
diff --git a/arch/sh/boards/mach-hp6xx/setup.c b/arch/sh/boards/mach-hp6xx/setup.c
index 475b46caec1..48fece78ff5 100644
--- a/arch/sh/boards/mach-hp6xx/setup.c
+++ b/arch/sh/boards/mach-hp6xx/setup.c
@@ -15,7 +15,7 @@
 #include <asm/hd64461.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
 #include <cpu/dac.h>
 
 #define	SCPCR	0xa4000116
diff --git a/arch/sh/boards/mach-lboxre2/irq.c b/arch/sh/boards/mach-lboxre2/irq.c
index 5a1c3bbe7b5..8aa171ab833 100644
--- a/arch/sh/boards/mach-lboxre2/irq.c
+++ b/arch/sh/boards/mach-lboxre2/irq.c
@@ -15,7 +15,7 @@
 #include <linux/irq.h>
 #include <asm/irq.h>
 #include <asm/io.h>
-#include <asm/lboxre2.h>
+#include <mach/lboxre2.h>
 
 /*
  * Initialize IRQ setting
diff --git a/arch/sh/boards/mach-lboxre2/setup.c b/arch/sh/boards/mach-lboxre2/setup.c
index c74440d38ee..2b0b5818e1e 100644
--- a/arch/sh/boards/mach-lboxre2/setup.c
+++ b/arch/sh/boards/mach-lboxre2/setup.c
@@ -16,7 +16,7 @@
 #include <linux/ata_platform.h>
 #include <asm/machvec.h>
 #include <asm/addrspace.h>
-#include <asm/lboxre2.h>
+#include <mach/lboxre2.h>
 #include <asm/io.h>
 
 static struct resource cf_ide_resources[] = {
diff --git a/arch/sh/boards/mach-microdev/io.c b/arch/sh/boards/mach-microdev/io.c
index 9f8a540f7e1..52dd748211c 100644
--- a/arch/sh/boards/mach-microdev/io.c
+++ b/arch/sh/boards/mach-microdev/io.c
@@ -15,7 +15,7 @@
 #include <linux/pci.h>
 #include <linux/wait.h>
 #include <asm/io.h>
-#include <asm/microdev.h>
+#include <mach/microdev.h>
 
 	/*
 	 *	we need to have a 'safe' address to re-direct all I/O requests
diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c
index 4d335077a3f..702753cbd28 100644
--- a/arch/sh/boards/mach-microdev/irq.c
+++ b/arch/sh/boards/mach-microdev/irq.c
@@ -14,7 +14,7 @@
 #include <linux/interrupt.h>
 #include <asm/system.h>
 #include <asm/io.h>
-#include <asm/microdev.h>
+#include <mach/microdev.h>
 
 #define NUM_EXTERNAL_IRQS 16	/* IRL0 .. IRL15 */
 
diff --git a/arch/sh/boards/mach-microdev/setup.c b/arch/sh/boards/mach-microdev/setup.c
index fc8cd06d66c..a9202fe3cb5 100644
--- a/arch/sh/boards/mach-microdev/setup.c
+++ b/arch/sh/boards/mach-microdev/setup.c
@@ -14,7 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/ioport.h>
 #include <video/s1d13xxxfb.h>
-#include <asm/microdev.h>
+#include <mach/microdev.h>
 #include <asm/io.h>
 #include <asm/machvec.h>
 
diff --git a/arch/sh/boards/mach-migor/lcd_qvga.c b/arch/sh/boards/mach-migor/lcd_qvga.c
index 71a40710a5a..de9014a8a93 100644
--- a/arch/sh/boards/mach-migor/lcd_qvga.c
+++ b/arch/sh/boards/mach-migor/lcd_qvga.c
@@ -20,7 +20,7 @@
 #include <linux/gpio.h>
 #include <video/sh_mobile_lcdc.h>
 #include <cpu/sh7722.h>
-#include <asm/migor.h>
+#include <mach/migor.h>
 
 /* LCD Module is a PH240320T according to board schematics. This module
  * is made up of a 240x320 LCD hooked up to a R61505U (or HX8347-A01?)
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index d00cce04d6e..769d6304342 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -25,7 +25,7 @@
 #include <asm/machvec.h>
 #include <asm/io.h>
 #include <asm/sh_keysc.h>
-#include <asm/migor.h>
+#include <mach/migor.h>
 #include <cpu/sh7722.h>
 
 /* Address     IRQ  Size  Bus  Description
diff --git a/arch/sh/boards/mach-r2d/irq.c b/arch/sh/boards/mach-r2d/irq.c
index 8e49f6e5124..c70fecedcac 100644
--- a/arch/sh/boards/mach-r2d/irq.c
+++ b/arch/sh/boards/mach-r2d/irq.c
@@ -13,7 +13,7 @@
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
-#include <asm/rts7751r2d.h>
+#include <mach/r2d.h>
 
 #define R2D_NR_IRL 13
 
diff --git a/arch/sh/boards/mach-r2d/setup.c b/arch/sh/boards/mach-r2d/setup.c
index 2308e8753bc..c585be00956 100644
--- a/arch/sh/boards/mach-r2d/setup.c
+++ b/arch/sh/boards/mach-r2d/setup.c
@@ -18,7 +18,7 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
 #include <asm/machvec.h>
-#include <asm/rts7751r2d.h>
+#include <mach/r2d.h>
 #include <asm/io.h>
 #include <asm/io_trapped.h>
 #include <asm/spi.h>
diff --git a/arch/sh/boards/mach-sdk7780/irq.c b/arch/sh/boards/mach-sdk7780/irq.c
index 87cdc578f6f..855558163c5 100644
--- a/arch/sh/boards/mach-sdk7780/irq.c
+++ b/arch/sh/boards/mach-sdk7780/irq.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
-#include <asm/sdk7780.h>
+#include <mach/sdk7780.h>
 
 enum {
 	UNUSED = 0,
diff --git a/arch/sh/boards/mach-sdk7780/setup.c b/arch/sh/boards/mach-sdk7780/setup.c
index acc5932587f..aad94a78dc7 100644
--- a/arch/sh/boards/mach-sdk7780/setup.c
+++ b/arch/sh/boards/mach-sdk7780/setup.c
@@ -13,7 +13,7 @@
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
 #include <asm/machvec.h>
-#include <asm/sdk7780.h>
+#include <mach/sdk7780.h>
 #include <asm/heartbeat.h>
 #include <asm/io.h>
 #include <asm/addrspace.h>
diff --git a/arch/sh/boards/mach-sh7763rdp/irq.c b/arch/sh/boards/mach-sh7763rdp/irq.c
index fd850bad2de..d8ebfa7d8c7 100644
--- a/arch/sh/boards/mach-sh7763rdp/irq.c
+++ b/arch/sh/boards/mach-sh7763rdp/irq.c
@@ -15,7 +15,7 @@
 #include <linux/irq.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/sh7763rdp.h>
+#include <mach/sh7763rdp.h>
 
 #define INTC_BASE		(0xFFD00000)
 #define INTC_INT2PRI7   (INTC_BASE+0x4001C)
diff --git a/arch/sh/boards/mach-sh7763rdp/setup.c b/arch/sh/boards/mach-sh7763rdp/setup.c
index 23850da05e3..6f926fd2162 100644
--- a/arch/sh/boards/mach-sh7763rdp/setup.c
+++ b/arch/sh/boards/mach-sh7763rdp/setup.c
@@ -17,7 +17,7 @@
 #include <linux/mtd/physmap.h>
 #include <linux/fb.h>
 #include <linux/io.h>
-#include <asm/sh7763rdp.h>
+#include <mach/sh7763rdp.h>
 #include <asm/sh_eth.h>
 #include <asm/sh7760fb.h>
 
diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/mach-snapgear/setup.c
index a5e349d3dda..a3277a23cf1 100644
--- a/arch/sh/boards/mach-snapgear/setup.c
+++ b/arch/sh/boards/mach-snapgear/setup.c
@@ -19,7 +19,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <asm/machvec.h>
-#include <asm/snapgear.h>
+#include <mach/snapgear.h>
 #include <asm/irq.h>
 #include <asm/io.h>
 #include <cpu/timer.h>
diff --git a/arch/sh/boards/mach-systemh/io.c b/arch/sh/boards/mach-systemh/io.c
index 1b767e1a142..dec3db0ee93 100644
--- a/arch/sh/boards/mach-systemh/io.c
+++ b/arch/sh/boards/mach-systemh/io.c
@@ -9,7 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <asm/systemh7751.h>
+#include <mach/systemh7751.h>
 #include <asm/addrspace.h>
 #include <asm/io.h>
 
diff --git a/arch/sh/boards/mach-systemh/irq.c b/arch/sh/boards/mach-systemh/irq.c
index 601c9c8cdbe..538406872a8 100644
--- a/arch/sh/boards/mach-systemh/irq.c
+++ b/arch/sh/boards/mach-systemh/irq.c
@@ -14,7 +14,7 @@
 #include <linux/interrupt.h>
 
 #include <asm/io.h>
-#include <asm/systemh7751.h>
+#include <mach/systemh7751.h>
 #include <asm/smc37c93x.h>
 
 /* address of external interrupt mask register
diff --git a/arch/sh/boards/mach-systemh/setup.c b/arch/sh/boards/mach-systemh/setup.c
index ee78af84277..219fd800a43 100644
--- a/arch/sh/boards/mach-systemh/setup.c
+++ b/arch/sh/boards/mach-systemh/setup.c
@@ -16,7 +16,7 @@
  */
 #include <linux/init.h>
 #include <asm/machvec.h>
-#include <asm/systemh7751.h>
+#include <mach/systemh7751.h>
 
 extern void make_systemh_irq(unsigned int irq);
 
diff --git a/arch/sh/boards/mach-titan/io.c b/arch/sh/boards/mach-titan/io.c
index 4730c1dd697..4badad4c6f3 100644
--- a/arch/sh/boards/mach-titan/io.c
+++ b/arch/sh/boards/mach-titan/io.c
@@ -4,7 +4,7 @@
 #include <linux/pci.h>
 #include <asm/machvec.h>
 #include <asm/addrspace.h>
-#include <asm/titan.h>
+#include <mach/titan.h>
 #include <asm/io.h>
 
 static inline unsigned int port2adr(unsigned int port)
diff --git a/arch/sh/boards/mach-titan/setup.c b/arch/sh/boards/mach-titan/setup.c
index 5de3b2ad71a..81e7e0f0386 100644
--- a/arch/sh/boards/mach-titan/setup.c
+++ b/arch/sh/boards/mach-titan/setup.c
@@ -9,7 +9,7 @@
  */
 #include <linux/init.h>
 #include <linux/irq.h>
-#include <asm/titan.h>
+#include <mach/titan.h>
 #include <asm/io.h>
 
 static void __init init_titan_irq(void)
diff --git a/arch/sh/drivers/pci/ops-lboxre2.c b/arch/sh/drivers/pci/ops-lboxre2.c
index a13cb764b0b..86c0b6fb737 100644
--- a/arch/sh/drivers/pci/ops-lboxre2.c
+++ b/arch/sh/drivers/pci/ops-lboxre2.c
@@ -10,7 +10,7 @@
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/io.h>
-#include <asm/lboxre2.h>
+#include <mach/lboxre2.h>
 #include "pci-sh4.h"
 
 static char lboxre2_irq_tab[] __initdata = {
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
index 5fdadaeed6f..8555238e63e 100644
--- a/arch/sh/drivers/pci/ops-r7780rp.c
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
-#include <asm/r7780rp.h>
+#include <mach/highlander.h>
 #include <asm/io.h>
 #include "pci-sh4.h"
 
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c
index b3fa3e2ef18..d6ca74b25d5 100644
--- a/arch/sh/drivers/pci/ops-rts7751r2d.c
+++ b/arch/sh/drivers/pci/ops-rts7751r2d.c
@@ -15,7 +15,7 @@
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/io.h>
-#include <asm/rts7751r2d.h>
+#include <mach/r2d.h>
 #include "pci-sh4.h"
 
 static u8 rts7751r2d_irq_tab[] __initdata = {
diff --git a/arch/sh/drivers/pci/ops-sdk7780.c b/arch/sh/drivers/pci/ops-sdk7780.c
index 66a9b4047f2..4dcc64184b2 100644
--- a/arch/sh/drivers/pci/ops-sdk7780.c
+++ b/arch/sh/drivers/pci/ops-sdk7780.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
-#include <asm/sdk7780.h>
+#include <mach/sdk7780.h>
 #include <asm/io.h>
 #include "pci-sh4.h"
 
diff --git a/arch/sh/drivers/pci/ops-titan.c b/arch/sh/drivers/pci/ops-titan.c
index ac8ee2312cd..a8f7801a34a 100644
--- a/arch/sh/drivers/pci/ops-titan.c
+++ b/arch/sh/drivers/pci/ops-titan.c
@@ -16,7 +16,7 @@
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/io.h>
-#include <asm/titan.h>
+#include <mach/titan.h>
 #include "pci-sh4.h"
 
 static char titan_irq_tab[] __initdata = {
diff --git a/arch/sh/include/asm/edosk7705.h b/arch/sh/include/mach-common/mach/edosk7705.h
similarity index 100%
rename from arch/sh/include/asm/edosk7705.h
rename to arch/sh/include/mach-common/mach/edosk7705.h
diff --git a/arch/sh/include/asm/r7780rp.h b/arch/sh/include/mach-common/mach/highlander.h
similarity index 100%
rename from arch/sh/include/asm/r7780rp.h
rename to arch/sh/include/mach-common/mach/highlander.h
diff --git a/arch/sh/include/asm/hp6xx.h b/arch/sh/include/mach-common/mach/hp6xx.h
similarity index 100%
rename from arch/sh/include/asm/hp6xx.h
rename to arch/sh/include/mach-common/mach/hp6xx.h
diff --git a/arch/sh/include/asm/lboxre2.h b/arch/sh/include/mach-common/mach/lboxre2.h
similarity index 100%
rename from arch/sh/include/asm/lboxre2.h
rename to arch/sh/include/mach-common/mach/lboxre2.h
diff --git a/arch/sh/include/asm/magicpanelr2.h b/arch/sh/include/mach-common/mach/magicpanelr2.h
similarity index 100%
rename from arch/sh/include/asm/magicpanelr2.h
rename to arch/sh/include/mach-common/mach/magicpanelr2.h
diff --git a/arch/sh/include/asm/microdev.h b/arch/sh/include/mach-common/mach/microdev.h
similarity index 100%
rename from arch/sh/include/asm/microdev.h
rename to arch/sh/include/mach-common/mach/microdev.h
diff --git a/arch/sh/include/asm/migor.h b/arch/sh/include/mach-common/mach/migor.h
similarity index 100%
rename from arch/sh/include/asm/migor.h
rename to arch/sh/include/mach-common/mach/migor.h
diff --git a/arch/sh/include/asm/rts7751r2d.h b/arch/sh/include/mach-common/mach/r2d.h
similarity index 100%
rename from arch/sh/include/asm/rts7751r2d.h
rename to arch/sh/include/mach-common/mach/r2d.h
diff --git a/arch/sh/include/asm/sdk7780.h b/arch/sh/include/mach-common/mach/sdk7780.h
similarity index 100%
rename from arch/sh/include/asm/sdk7780.h
rename to arch/sh/include/mach-common/mach/sdk7780.h
diff --git a/arch/sh/include/asm/sh7763rdp.h b/arch/sh/include/mach-common/mach/sh7763rdp.h
similarity index 100%
rename from arch/sh/include/asm/sh7763rdp.h
rename to arch/sh/include/mach-common/mach/sh7763rdp.h
diff --git a/arch/sh/include/asm/sh7785lcr.h b/arch/sh/include/mach-common/mach/sh7785lcr.h
similarity index 100%
rename from arch/sh/include/asm/sh7785lcr.h
rename to arch/sh/include/mach-common/mach/sh7785lcr.h
diff --git a/arch/sh/include/asm/shmin.h b/arch/sh/include/mach-common/mach/shmin.h
similarity index 100%
rename from arch/sh/include/asm/shmin.h
rename to arch/sh/include/mach-common/mach/shmin.h
diff --git a/arch/sh/include/asm/snapgear.h b/arch/sh/include/mach-common/mach/snapgear.h
similarity index 100%
rename from arch/sh/include/asm/snapgear.h
rename to arch/sh/include/mach-common/mach/snapgear.h
diff --git a/arch/sh/include/asm/systemh7751.h b/arch/sh/include/mach-common/mach/systemh7751.h
similarity index 100%
rename from arch/sh/include/asm/systemh7751.h
rename to arch/sh/include/mach-common/mach/systemh7751.h
diff --git a/arch/sh/include/asm/titan.h b/arch/sh/include/mach-common/mach/titan.h
similarity index 100%
rename from arch/sh/include/asm/titan.h
rename to arch/sh/include/mach-common/mach/titan.h
diff --git a/drivers/input/touchscreen/hp680_ts_input.c b/drivers/input/touchscreen/hp680_ts_input.c
index c38d4e0f95c..a89700e7ace 100644
--- a/drivers/input/touchscreen/hp680_ts_input.c
+++ b/drivers/input/touchscreen/hp680_ts_input.c
@@ -5,7 +5,7 @@
 #include <asm/io.h>
 #include <asm/delay.h>
 #include <asm/adc.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
 
 #define MODNAME "hp680_ts_input"
 
diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
index 844d5979c90..e8fb1baf8a5 100644
--- a/drivers/leds/leds-hp6xx.c
+++ b/drivers/leds/leds-hp6xx.c
@@ -15,7 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/leds.h>
 #include <asm/hd64461.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
 
 static void hp6xxled_green_set(struct led_classdev *led_cdev,
 			       enum led_brightness value)
diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index b9397818f73..8f4e96bb229 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -40,7 +40,7 @@
 #define	RTC_SCLK	0x0400
 
 #ifdef CONFIG_SH_SECUREEDGE5410
-#include <asm/snapgear.h>
+#include <mach/snapgear.h>
 #define set_dp(x)	SECUREEDGE_WRITE_IOPORT(x, 0x1c00)
 #define get_dp()	SECUREEDGE_READ_IOPORT()
 #else
diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index 6fa0b9d5559..d4cfed0b26d 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -19,7 +19,7 @@
 #include <linux/backlight.h>
 
 #include <cpu/dac.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
 #include <asm/hd64461.h>
 
 #define HP680_MAX_INTENSITY 255
diff --git a/sound/oss/sh_dac_audio.c b/sound/oss/sh_dac_audio.c
index b493660deb3..e5d42399491 100644
--- a/sound/oss/sh_dac_audio.c
+++ b/sound/oss/sh_dac_audio.c
@@ -26,7 +26,7 @@
 #include <asm/cpu/dac.h>
 #include <asm/cpu/timer.h>
 #include <asm/machvec.h>
-#include <asm/hp6xx.h>
+#include <mach/hp6xx.h>
 #include <asm/hd64461.h>
 
 #define MODNAME "sh_dac_audio"
-- 
GitLab


From ebf9c118df678de111eda45709081806f71710cc Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 20 Oct 2008 13:04:06 +0900
Subject: [PATCH 1313/2224] sh: Only build in gpio.o when CONFIG_GENERIC_GPIO
 is selected.

The pinmux management is tied in to this code, while it is presently only
used by platforms that select GENERIC_GPIO. The asm/gpio.h definitions
are not referenced when GENERIC_GPIO is disabled, resulting in a build
failure for all of the platforms that don't select it.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/Makefile_32 | 3 ++-
 arch/sh/kernel/Makefile_64 | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32
index 7c41ac7c298..48edfb145fb 100644
--- a/arch/sh/kernel/Makefile_32
+++ b/arch/sh/kernel/Makefile_32
@@ -5,7 +5,7 @@
 extra-y	:= head_32.o init_task.o vmlinux.lds
 
 obj-y	:= debugtraps.o io.o io_generic.o irq.o machvec.o process_32.o \
-	   ptrace_32.o setup.o signal_32.o sys_sh.o sys_sh32.o gpio.o \
+	   ptrace_32.o setup.o signal_32.o sys_sh.o sys_sh32.o \
 	   syscalls_32.o time_32.o topology.o traps.o traps_32.o
 
 obj-y				+= cpu/ timers/
@@ -23,5 +23,6 @@ obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
 obj-$(CONFIG_IO_TRAPPED)	+= io_trapped.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
+obj-$(CONFIG_GENERIC_GPIO)	+= gpio.o
 
 EXTRA_CFLAGS += -Werror
diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64
index 2a7a5e694a1..c97660b2b48 100644
--- a/arch/sh/kernel/Makefile_64
+++ b/arch/sh/kernel/Makefile_64
@@ -1,7 +1,7 @@
 extra-y	:= head_64.o init_task.o vmlinux.lds
 
 obj-y	:= debugtraps.o io.o io_generic.o irq.o machvec.o process_64.o \
-	   ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o gpio.o \
+	   ptrace_64.o setup.o signal_64.o sys_sh.o sys_sh64.o \
 	   syscalls_64.o time_64.o topology.o traps.o traps_64.o
 
 obj-y				+= cpu/ timers/
@@ -18,5 +18,6 @@ obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
 obj-$(CONFIG_IO_TRAPPED)	+= io_trapped.o
+obj-$(CONFIG_GENERIC_GPIO)	+= gpio.o
 
 EXTRA_CFLAGS += -Werror
-- 
GitLab


From 40e24c403f325715f9c43b9fed2068641201ee0b Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 20 Oct 2008 14:30:17 +0900
Subject: [PATCH 1314/2224] sh: Move SH-4 CPU headers down one more level.

These accidentally got placed in to cpu-sh4 instead of cpu-sh4/cpu, push
them down one more level.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/cpu-sh4/{ => cpu}/sh7722.h | 0
 arch/sh/include/cpu-sh4/{ => cpu}/sh7723.h | 0
 2 files changed, 0 insertions(+), 0 deletions(-)
 rename arch/sh/include/cpu-sh4/{ => cpu}/sh7722.h (100%)
 rename arch/sh/include/cpu-sh4/{ => cpu}/sh7723.h (100%)

diff --git a/arch/sh/include/cpu-sh4/sh7722.h b/arch/sh/include/cpu-sh4/cpu/sh7722.h
similarity index 100%
rename from arch/sh/include/cpu-sh4/sh7722.h
rename to arch/sh/include/cpu-sh4/cpu/sh7722.h
diff --git a/arch/sh/include/cpu-sh4/sh7723.h b/arch/sh/include/cpu-sh4/cpu/sh7723.h
similarity index 100%
rename from arch/sh/include/cpu-sh4/sh7723.h
rename to arch/sh/include/cpu-sh4/cpu/sh7723.h
-- 
GitLab


From 756ba83ee370fbf62643777e7ba4a4f05932f6fb Mon Sep 17 00:00:00 2001
From: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Date: Mon, 20 Oct 2008 08:03:33 +0200
Subject: [PATCH 1315/2224] ps3: Add ps3av_audio_mute_analog()

Add support for muting the analog output so that it does not
play noises while non-PCM data is played.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 arch/powerpc/include/asm/ps3av.h |  1 +
 drivers/ps3/ps3av.c              | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/arch/powerpc/include/asm/ps3av.h b/arch/powerpc/include/asm/ps3av.h
index fda98715cd3..d30bde2b11e 100644
--- a/arch/powerpc/include/asm/ps3av.h
+++ b/arch/powerpc/include/asm/ps3av.h
@@ -735,6 +735,7 @@ extern int ps3av_get_mode(void);
 extern int ps3av_video_mode2res(u32, u32 *, u32 *);
 extern int ps3av_video_mute(int);
 extern int ps3av_audio_mute(int);
+extern int ps3av_audio_mute_analog(int);
 extern int ps3av_dev_open(void);
 extern int ps3av_dev_close(void);
 extern void ps3av_register_flip_ctl(void (*flip_ctl)(int on, void *data),
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index 6f2f90ebb02..06848b254d5 100644
--- a/drivers/ps3/ps3av.c
+++ b/drivers/ps3/ps3av.c
@@ -915,6 +915,22 @@ int ps3av_video_mute(int mute)
 
 EXPORT_SYMBOL_GPL(ps3av_video_mute);
 
+/* mute analog output only */
+int ps3av_audio_mute_analog(int mute)
+{
+	int i, res;
+
+	for (i = 0; i < ps3av->av_hw_conf.num_of_avmulti; i++) {
+		res = ps3av_cmd_av_audio_mute(1,
+			&ps3av->av_port[i + ps3av->av_hw_conf.num_of_hdmi],
+			mute);
+		if (res < 0)
+			return -1;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(ps3av_audio_mute_analog);
+
 int ps3av_audio_mute(int mute)
 {
 	return ps3av_set_audio_mute(mute ? PS3AV_CMD_MUTE_ON
-- 
GitLab


From 64931a4be03dbc49bd50d10d211592cf98b523bb Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 20 Oct 2008 08:05:10 +0200
Subject: [PATCH 1316/2224] ps3: Add passthru support for non-audio streams

Add support for the channel status bit setting so that non-PCM
data stream can be sent (i.e. pass-through) via SPDIF/HDMI.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Acked-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 arch/powerpc/include/asm/ps3av.h |  2 ++
 drivers/ps3/ps3av_cmd.c          | 19 ++++++++++---------
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/include/asm/ps3av.h b/arch/powerpc/include/asm/ps3av.h
index d30bde2b11e..5aa22cffdbd 100644
--- a/arch/powerpc/include/asm/ps3av.h
+++ b/arch/powerpc/include/asm/ps3av.h
@@ -678,6 +678,8 @@ struct ps3av_pkt_avb_param {
 	u8 buf[PS3AV_PKT_AVB_PARAM_MAX_BUF_SIZE];
 };
 
+/* channel status */
+extern u8 ps3av_mode_cs_info[];
 
 /** command status **/
 #define PS3AV_STATUS_SUCCESS			0x0000	/* success */
diff --git a/drivers/ps3/ps3av_cmd.c b/drivers/ps3/ps3av_cmd.c
index 7f880c26122..11eb50318fe 100644
--- a/drivers/ps3/ps3av_cmd.c
+++ b/drivers/ps3/ps3av_cmd.c
@@ -660,9 +660,10 @@ u32 ps3av_cmd_set_av_audio_param(void *p, u32 port,
 }
 
 /* default cs val */
-static const u8 ps3av_mode_cs_info[] = {
+u8 ps3av_mode_cs_info[] = {
 	0x00, 0x09, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00
 };
+EXPORT_SYMBOL_GPL(ps3av_mode_cs_info);
 
 #define CS_44	0x00
 #define CS_48	0x02
@@ -677,7 +678,7 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
 			      u32 ch, u32 fs, u32 word_bits, u32 format,
 			      u32 source)
 {
-	int spdif_through, spdif_bitstream;
+	int spdif_through;
 	int i;
 
 	if (!(ch | fs | format | word_bits | source)) {
@@ -687,7 +688,6 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
 		format = PS3AV_CMD_AUDIO_FORMAT_PCM;
 		source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
 	}
-	spdif_through = spdif_bitstream = 0;	/* XXX not supported */
 
 	/* audio mode */
 	memset(audio, 0, sizeof(*audio));
@@ -777,16 +777,17 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
 		break;
 	}
 
+	/* non-audio bit */
+	spdif_through = audio->audio_cs_info[0] & 0x02;
+
 	/* pass through setting */
 	if (spdif_through &&
 	    (avport == PS3AV_CMD_AVPORT_SPDIF_0 ||
-	     avport == PS3AV_CMD_AVPORT_SPDIF_1)) {
+	     avport == PS3AV_CMD_AVPORT_SPDIF_1 ||
+	     avport == PS3AV_CMD_AVPORT_HDMI_0 ||
+	     avport == PS3AV_CMD_AVPORT_HDMI_1)) {
 		audio->audio_word_bits = PS3AV_CMD_AUDIO_WORD_BITS_16;
-		audio->audio_source = PS3AV_CMD_AUDIO_SOURCE_SPDIF;
-		if (spdif_bitstream) {
-			audio->audio_format = PS3AV_CMD_AUDIO_FORMAT_BITSTREAM;
-			audio->audio_cs_info[0] |= CS_BIT;
-		}
+		audio->audio_format = PS3AV_CMD_AUDIO_FORMAT_BITSTREAM;
 	}
 }
 
-- 
GitLab


From 1ee2a322b058f6399dc900603f9ebb392037ff77 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 20 Oct 2008 08:06:39 +0200
Subject: [PATCH 1317/2224] ALSA: ps3: Add support for SPDIF/HDMI passthru

Add support for SPDIF/HDMI pass-through support of PS3 audio driver.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/ppc/snd_ps3.c | 96 ++++++++++++++++++++++++++++++++++++++++++---
 sound/ppc/snd_ps3.h |  1 +
 2 files changed, 91 insertions(+), 6 deletions(-)

diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c
index 20d0e328288..8f9e3859c37 100644
--- a/sound/ppc/snd_ps3.c
+++ b/sound/ppc/snd_ps3.c
@@ -666,6 +666,7 @@ static int snd_ps3_init_avsetting(struct snd_ps3_card_info *card)
 	card->avs.avs_audio_width = PS3AV_CMD_AUDIO_WORD_BITS_16;
 	card->avs.avs_audio_format = PS3AV_CMD_AUDIO_FORMAT_PCM;
 	card->avs.avs_audio_source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
+	memcpy(card->avs.avs_cs_info, ps3av_mode_cs_info, 8);
 
 	ret = snd_ps3_change_avsetting(card);
 
@@ -685,6 +686,7 @@ static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
 {
 	struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
 	struct snd_ps3_avsetting_info avs;
+	int ret;
 
 	avs = card->avs;
 
@@ -729,19 +731,92 @@ static int snd_ps3_set_avsetting(struct snd_pcm_substream *substream)
 		return 1;
 	}
 
-	if ((card->avs.avs_audio_width != avs.avs_audio_width) ||
-	    (card->avs.avs_audio_rate != avs.avs_audio_rate)) {
-		card->avs = avs;
-		snd_ps3_change_avsetting(card);
+	memcpy(avs.avs_cs_info, ps3av_mode_cs_info, 8);
 
+	if (memcmp(&card->avs, &avs, sizeof(avs))) {
 		pr_debug("%s: after freq=%d width=%d\n", __func__,
 			 card->avs.avs_audio_rate, card->avs.avs_audio_width);
 
-		return 0;
+		card->avs = avs;
+		snd_ps3_change_avsetting(card);
+		ret = 0;
 	} else
+		ret = 1;
+
+	/* check CS non-audio bit and mute accordingly */
+	if (avs.avs_cs_info[0] & 0x02)
+		ps3av_audio_mute_analog(1); /* mute if non-audio */
+	else
+		ps3av_audio_mute_analog(0);
+
+	return ret;
+}
+
+/*
+ * SPDIF status bits controls
+ */
+static int snd_ps3_spdif_mask_info(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+	uinfo->count = 1;
+	return 0;
+}
+
+/* FIXME: ps3av_set_audio_mode() assumes only consumer mode */
+static int snd_ps3_spdif_cmask_get(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	memset(ucontrol->value.iec958.status, 0xff, 8);
+	return 0;
+}
+
+static int snd_ps3_spdif_pmask_get(struct snd_kcontrol *kcontrol,
+				   struct snd_ctl_elem_value *ucontrol)
+{
+	return 0;
+}
+
+static int snd_ps3_spdif_default_get(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	memcpy(ucontrol->value.iec958.status, ps3av_mode_cs_info, 8);
+	return 0;
+}
+
+static int snd_ps3_spdif_default_put(struct snd_kcontrol *kcontrol,
+				     struct snd_ctl_elem_value *ucontrol)
+{
+	if (memcmp(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8)) {
+		memcpy(ps3av_mode_cs_info, ucontrol->value.iec958.status, 8);
 		return 1;
+	}
+	return 0;
 }
 
+static struct snd_kcontrol_new spdif_ctls[] = {
+	{
+		.access = SNDRV_CTL_ELEM_ACCESS_READ,
+		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
+		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+		.info = snd_ps3_spdif_mask_info,
+		.get = snd_ps3_spdif_cmask_get,
+	},
+	{
+		.access = SNDRV_CTL_ELEM_ACCESS_READ,
+		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
+		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
+		.info = snd_ps3_spdif_mask_info,
+		.get = snd_ps3_spdif_pmask_get,
+	},
+	{
+		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
+		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+		.info = snd_ps3_spdif_mask_info,
+		.get = snd_ps3_spdif_default_get,
+		.put = snd_ps3_spdif_default_put,
+	},
+};
 
 
 static int snd_ps3_map_mmio(void)
@@ -842,7 +917,7 @@ static void snd_ps3_audio_set_base_addr(uint64_t ioaddr_start)
 
 static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
 {
-	int ret;
+	int i, ret;
 	u64 lpar_addr, lpar_size;
 
 	BUG_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1));
@@ -903,6 +978,15 @@ static int __init snd_ps3_driver_probe(struct ps3_system_bus_device *dev)
 	strcpy(the_card.card->driver, "PS3");
 	strcpy(the_card.card->shortname, "PS3");
 	strcpy(the_card.card->longname, "PS3 sound");
+
+	/* create control elements */
+	for (i = 0; i < ARRAY_SIZE(spdif_ctls); i++) {
+		ret = snd_ctl_add(the_card.card,
+				  snd_ctl_new1(&spdif_ctls[i], &the_card));
+		if (ret < 0)
+			goto clean_card;
+	}
+
 	/* create PCM devices instance */
 	/* NOTE:this driver works assuming pcm:substream = 1:1 */
 	ret = snd_pcm_new(the_card.card,
diff --git a/sound/ppc/snd_ps3.h b/sound/ppc/snd_ps3.h
index 4b7e6fbbe50..326fb29e82d 100644
--- a/sound/ppc/snd_ps3.h
+++ b/sound/ppc/snd_ps3.h
@@ -51,6 +51,7 @@ struct snd_ps3_avsetting_info {
 	uint32_t avs_audio_width;
 	uint32_t avs_audio_format; /* fixed */
 	uint32_t avs_audio_source; /* fixed */
+	unsigned char avs_cs_info[8];
 };
 /*
  * PS3 audio 'card' instance
-- 
GitLab


From 0537ae6a3d7d6d9005446ee6419272fd4c38a58d Mon Sep 17 00:00:00 2001
From: Julius Volz <juliusv@google.com>
Date: Sun, 19 Oct 2008 23:29:56 -0700
Subject: [PATCH 1318/2224] ipvs: Update CONFIG_IP_VS_IPV6 description and help
 text

This adds a URL to further info to the CONFIG_IP_VS_IPV6 Kconfig help
text. Also, I think it should be ok to remove the "DANGEROUS" label in the
description line at this point to get people to try it out and find all
the bugs ;) It's still marked as experimental, of course.

Signed-off-by: Julius Volz <juliusv@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/ipvs/Kconfig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/netfilter/ipvs/Kconfig b/net/netfilter/ipvs/Kconfig
index 05048e40326..79a69805221 100644
--- a/net/netfilter/ipvs/Kconfig
+++ b/net/netfilter/ipvs/Kconfig
@@ -25,11 +25,13 @@ menuconfig IP_VS
 if IP_VS
 
 config	IP_VS_IPV6
-	bool "IPv6 support for IPVS (DANGEROUS)"
+	bool "IPv6 support for IPVS"
 	depends on EXPERIMENTAL && (IPV6 = y || IP_VS = IPV6)
 	---help---
 	  Add IPv6 support to IPVS. This is incomplete and might be dangerous.
 
+	  See http://www.mindbasket.com/ipvs for more information.
+
 	  Say N if unsure.
 
 config	IP_VS_DEBUG
-- 
GitLab


From 92845ffd2a221f9f90b064ac55bb010bf27a193f Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Sun, 19 Oct 2008 23:33:56 -0700
Subject: [PATCH 1319/2224] netdev: change name dropping error codes

If changename notifier returns an error code, it gets incorrectly
cleared during rollback so the error is never returned to the user.
Found while testing similar code for MTU changes.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 868ec0ba8b7..b8a4fd0806a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -924,10 +924,10 @@ int dev_change_name(struct net_device *dev, const char *newname)
 		strlcpy(dev->name, newname, IFNAMSIZ);
 
 rollback:
-	err = device_rename(&dev->dev, dev->name);
-	if (err) {
+	ret = device_rename(&dev->dev, dev->name);
+	if (ret) {
 		memcpy(dev->name, oldname, IFNAMSIZ);
-		return err;
+		return ret;
 	}
 
 	write_lock_bh(&dev_base_lock);
-- 
GitLab


From fd5070370c74c32b7a98090eabb46c53baf41733 Mon Sep 17 00:00:00 2001
From: KOVACS Krisztian <hidden@sch.bme.hu>
Date: Sun, 19 Oct 2008 23:35:58 -0700
Subject: [PATCH 1320/2224] tcp: Fix IPv6 fallout from 'Port redirection
 support for TCP'

'tcp: Port redirection support for TCP' (a3116ac5c) added a new member
to inet_request_sock() which inet_csk_clone() makes use of but failed
to add proper initialization to the IPv6 syncookie code and missed a
couple of places where the new member should be used instead of
inet_sk(sk)->sport.

Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv6/syncookies.c | 1 +
 net/ipv6/tcp_ipv6.c   | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index ec394cf5a19..676c80b5b14 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -204,6 +204,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 
 	req->mss = mss;
 	ireq->rmt_port = th->source;
+	ireq->loc_port = th->dest;
 	ipv6_addr_copy(&ireq6->rmt_addr, &ipv6_hdr(skb)->saddr);
 	ipv6_addr_copy(&ireq6->loc_addr, &ipv6_hdr(skb)->daddr);
 	if (ipv6_opt_accepted(sk, skb) ||
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e5310c9b84d..b6b356b7912 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -476,7 +476,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req)
 	fl.fl6_flowlabel = 0;
 	fl.oif = treq->iif;
 	fl.fl_ip_dport = inet_rsk(req)->rmt_port;
-	fl.fl_ip_sport = inet_sk(sk)->sport;
+	fl.fl_ip_sport = inet_rsk(req)->loc_port;
 	security_req_classify_flow(req, &fl);
 
 	opt = np->opt;
@@ -1309,7 +1309,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 		ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
 		fl.oif = sk->sk_bound_dev_if;
 		fl.fl_ip_dport = inet_rsk(req)->rmt_port;
-		fl.fl_ip_sport = inet_sk(sk)->sport;
+		fl.fl_ip_sport = inet_rsk(req)->loc_port;
 		security_req_classify_flow(req, &fl);
 
 		if (ip6_dst_lookup(sk, &dst, &fl))
@@ -1865,7 +1865,7 @@ static void get_openreq6(struct seq_file *seq,
 		   i,
 		   src->s6_addr32[0], src->s6_addr32[1],
 		   src->s6_addr32[2], src->s6_addr32[3],
-		   ntohs(inet_sk(sk)->sport),
+		   ntohs(inet_rsk(req)->loc_port),
 		   dest->s6_addr32[0], dest->s6_addr32[1],
 		   dest->s6_addr32[2], dest->s6_addr32[3],
 		   ntohs(inet_rsk(req)->rmt_port),
-- 
GitLab


From 944f750227fa0beb2b440709687415621e2533a4 Mon Sep 17 00:00:00 2001
From: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Date: Sun, 19 Oct 2008 23:36:47 -0700
Subject: [PATCH 1321/2224] dccp: Port redirection support for DCCP

Commit a3116ac5c216fc3c145906a46df9ce542ff7dcf2 from 1st October ("tcp: Port
redirection support for TCP") broke DCCP skb lookup by changing inet_csk_clone,
which is used by DCCP to generate the child socket after the handshake.

This patch updates DCCP to use 'loc_port' instead of 'sport', which fixes the
problem, and thus inheriting port redirection support via the new interface.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: KOVACS Krisztian <hidden@sch.bme.hu>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/dccp/ipv6.c      | 4 ++--
 net/dccp/minisocks.c | 1 +
 net/dccp/output.c    | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 11062780bb0..d4ce1224e00 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -259,7 +259,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req)
 	fl.fl6_flowlabel = 0;
 	fl.oif = ireq6->iif;
 	fl.fl_ip_dport = inet_rsk(req)->rmt_port;
-	fl.fl_ip_sport = inet_sk(sk)->sport;
+	fl.fl_ip_sport = inet_rsk(req)->loc_port;
 	security_req_classify_flow(req, &fl);
 
 	opt = np->opt;
@@ -558,7 +558,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
 		ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);
 		fl.oif = sk->sk_bound_dev_if;
 		fl.fl_ip_dport = inet_rsk(req)->rmt_port;
-		fl.fl_ip_sport = inet_sk(sk)->sport;
+		fl.fl_ip_sport = inet_rsk(req)->loc_port;
 		security_sk_classify_flow(sk, &fl);
 
 		if (ip6_dst_lookup(sk, &dst, &fl))
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index b2804e2d1b8..e6bf99e3e41 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -309,6 +309,7 @@ void dccp_reqsk_init(struct request_sock *req, struct sk_buff *skb)
 	struct dccp_request_sock *dreq = dccp_rsk(req);
 
 	inet_rsk(req)->rmt_port	  = dccp_hdr(skb)->dccph_sport;
+	inet_rsk(req)->loc_port	  = dccp_hdr(skb)->dccph_dport;
 	inet_rsk(req)->acked	  = 0;
 	req->rcv_wnd		  = sysctl_dccp_feat_sequence_window;
 	dreq->dreq_timestamp_echo = 0;
diff --git a/net/dccp/output.c b/net/dccp/output.c
index d06945c7d3d..809d803d500 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -347,7 +347,7 @@ struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst,
 	/* Build and checksum header */
 	dh = dccp_zeroed_hdr(skb, dccp_header_size);
 
-	dh->dccph_sport	= inet_sk(sk)->sport;
+	dh->dccph_sport	= inet_rsk(req)->loc_port;
 	dh->dccph_dport	= inet_rsk(req)->rmt_port;
 	dh->dccph_doff	= (dccp_header_size +
 			   DCCP_SKB_CB(skb)->dccpd_opt_len) / 4;
-- 
GitLab


From 9f3ffae0dbce491a3e9871b686342fd5aa854f05 Mon Sep 17 00:00:00 2001
From: Jarek Poplawski <jarkao2@gmail.com>
Date: Sun, 19 Oct 2008 23:37:47 -0700
Subject: [PATCH 1322/2224] pkt_sched: sch_generic: Fix oops in sch_teql

After these commands:
# modprobe sch_teql
# tc qdisc add dev eth0 root teql0
# tc qdisc del dev eth0 root
we get an oops in teql_destroy() when spin_lock is taken from a null
qdisc_sleeping pointer. It's because at the moment teql0 dev haven't
been activated yet, and a qdisc_root_sleeping() is pointing to noop
qdisc's netdev_queue with qdisc_sleeping uninitialized. This patch
fixes this both for noop and noqueue netdev_queues to avoid similar
problems in the future.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sched/sch_generic.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 7b5572d6beb..93cd30ce650 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -326,6 +326,7 @@ struct Qdisc_ops noop_qdisc_ops __read_mostly = {
 
 static struct netdev_queue noop_netdev_queue = {
 	.qdisc		=	&noop_qdisc,
+	.qdisc_sleeping	=	&noop_qdisc,
 };
 
 struct Qdisc noop_qdisc = {
@@ -352,6 +353,7 @@ static struct Qdisc_ops noqueue_qdisc_ops __read_mostly = {
 static struct Qdisc noqueue_qdisc;
 static struct netdev_queue noqueue_netdev_queue = {
 	.qdisc		=	&noqueue_qdisc,
+	.qdisc_sleeping	=	&noqueue_qdisc,
 };
 
 static struct Qdisc noqueue_qdisc = {
-- 
GitLab


From 35a347991cb7da5540fcdbef57800c02bafcb0b3 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Mon, 20 Oct 2008 17:17:44 +0900
Subject: [PATCH 1323/2224] [MTD] [NAND] sh_flctl: fix compile error

Fix compile error because the first patch was broken -- the file got
truncated.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/sh_flctl.c | 577 ++++++++++++++++++++++++++++++++++++
 1 file changed, 577 insertions(+)

diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 600a76f5580..821acb08ff1 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -299,3 +299,580 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va
 		break;
 	case NAND_CMD_PAGEPROG:
 		addr_len_bytes = flctl->rw_ADRCNT;
+		flcmdcr_val |= DOCMD2_E | CDSRC_E | SELRW;
+		break;
+	case NAND_CMD_READID:
+		flcmncr_val &= ~SNAND_E;
+		addr_len_bytes = ADRCNT_1;
+		break;
+	case NAND_CMD_STATUS:
+	case NAND_CMD_RESET:
+		flcmncr_val &= ~SNAND_E;
+		flcmdcr_val &= ~(DOADR_E | DOSR_E);
+		break;
+	default:
+		break;
+	}
+
+	/* Set address bytes parameter */
+	flcmdcr_val |= addr_len_bytes;
+
+	/* Now actually write */
+	writel(flcmncr_val, FLCMNCR(flctl));
+	writel(flcmdcr_val, FLCMDCR(flctl));
+	writel(flcmcdr_val, FLCMCDR(flctl));
+}
+
+static int flctl_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+				uint8_t *buf)
+{
+	int i, eccsize = chip->ecc.size;
+	int eccbytes = chip->ecc.bytes;
+	int eccsteps = chip->ecc.steps;
+	uint8_t *p = buf;
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+
+	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
+		chip->read_buf(mtd, p, eccsize);
+
+	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+		if (flctl->hwecc_cant_correct[i])
+			mtd->ecc_stats.failed++;
+		else
+			mtd->ecc_stats.corrected += 0;
+	}
+
+	return 0;
+}
+
+static void flctl_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+				   const uint8_t *buf)
+{
+	int i, eccsize = chip->ecc.size;
+	int eccbytes = chip->ecc.bytes;
+	int eccsteps = chip->ecc.steps;
+	const uint8_t *p = buf;
+
+	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
+		chip->write_buf(mtd, p, eccsize);
+}
+
+static void execmd_read_page_sector(struct mtd_info *mtd, int page_addr)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	int sector, page_sectors;
+
+	if (flctl->page_size)
+		page_sectors = 4;
+	else
+		page_sectors = 1;
+
+	writel(readl(FLCMNCR(flctl)) | ACM_SACCES_MODE | _4ECCCORRECT,
+		 FLCMNCR(flctl));
+
+	set_cmd_regs(mtd, NAND_CMD_READ0,
+		(NAND_CMD_READSTART << 8) | NAND_CMD_READ0);
+
+	for (sector = 0; sector < page_sectors; sector++) {
+		int ret;
+
+		empty_fifo(flctl);
+		writel(readl(FLCMDCR(flctl)) | 1, FLCMDCR(flctl));
+		writel(page_addr << 2 | sector, FLADR(flctl));
+
+		start_translation(flctl);
+		read_fiforeg(flctl, 512, 512 * sector);
+
+		ret = read_ecfiforeg(flctl,
+			&flctl->done_buff[mtd->writesize + 16 * sector]);
+
+		if (ret)
+			flctl->hwecc_cant_correct[sector] = 1;
+
+		writel(0x0, FL4ECCCR(flctl));
+		wait_completion(flctl);
+	}
+	writel(readl(FLCMNCR(flctl)) & ~(ACM_SACCES_MODE | _4ECCCORRECT),
+			FLCMNCR(flctl));
+}
+
+static void execmd_read_oob(struct mtd_info *mtd, int page_addr)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+
+	set_cmd_regs(mtd, NAND_CMD_READ0,
+		(NAND_CMD_READSTART << 8) | NAND_CMD_READ0);
+
+	empty_fifo(flctl);
+	if (flctl->page_size) {
+		int i;
+		/* In case that the page size is 2k */
+		for (i = 0; i < 16 * 3; i++)
+			flctl->done_buff[i] = 0xFF;
+
+		set_addr(mtd, 3 * 528 + 512, page_addr);
+		writel(16, FLDTCNTR(flctl));
+
+		start_translation(flctl);
+		read_fiforeg(flctl, 16, 16 * 3);
+		wait_completion(flctl);
+	} else {
+		/* In case that the page size is 512b */
+		set_addr(mtd, 512, page_addr);
+		writel(16, FLDTCNTR(flctl));
+
+		start_translation(flctl);
+		read_fiforeg(flctl, 16, 0);
+		wait_completion(flctl);
+	}
+}
+
+static void execmd_write_page_sector(struct mtd_info *mtd)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	int i, page_addr = flctl->seqin_page_addr;
+	int sector, page_sectors;
+
+	if (flctl->page_size)
+		page_sectors = 4;
+	else
+		page_sectors = 1;
+
+	writel(readl(FLCMNCR(flctl)) | ACM_SACCES_MODE, FLCMNCR(flctl));
+
+	set_cmd_regs(mtd, NAND_CMD_PAGEPROG,
+			(NAND_CMD_PAGEPROG << 8) | NAND_CMD_SEQIN);
+
+	for (sector = 0; sector < page_sectors; sector++) {
+		empty_fifo(flctl);
+		writel(readl(FLCMDCR(flctl)) | 1, FLCMDCR(flctl));
+		writel(page_addr << 2 | sector, FLADR(flctl));
+
+		start_translation(flctl);
+		write_fiforeg(flctl, 512, 512 * sector);
+
+		for (i = 0; i < 4; i++) {
+			wait_wecfifo_ready(flctl); /* wait for write ready */
+			writel(0xFFFFFFFF, FLECFIFO(flctl));
+		}
+		wait_completion(flctl);
+	}
+
+	writel(readl(FLCMNCR(flctl)) & ~ACM_SACCES_MODE, FLCMNCR(flctl));
+}
+
+static void execmd_write_oob(struct mtd_info *mtd)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	int page_addr = flctl->seqin_page_addr;
+	int sector, page_sectors;
+
+	if (flctl->page_size) {
+		sector = 3;
+		page_sectors = 4;
+	} else {
+		sector = 0;
+		page_sectors = 1;
+	}
+
+	set_cmd_regs(mtd, NAND_CMD_PAGEPROG,
+			(NAND_CMD_PAGEPROG << 8) | NAND_CMD_SEQIN);
+
+	for (; sector < page_sectors; sector++) {
+		empty_fifo(flctl);
+		set_addr(mtd, sector * 528 + 512, page_addr);
+		writel(16, FLDTCNTR(flctl));	/* set read size */
+
+		start_translation(flctl);
+		write_fiforeg(flctl, 16, 16 * sector);
+		wait_completion(flctl);
+	}
+}
+
+static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command,
+			int column, int page_addr)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	uint32_t read_cmd = 0;
+
+	flctl->read_bytes = 0;
+	if (command != NAND_CMD_PAGEPROG)
+		flctl->index = 0;
+
+	switch (command) {
+	case NAND_CMD_READ1:
+	case NAND_CMD_READ0:
+		if (flctl->hwecc) {
+			/* read page with hwecc */
+			execmd_read_page_sector(mtd, page_addr);
+			break;
+		}
+		empty_fifo(flctl);
+		if (flctl->page_size)
+			set_cmd_regs(mtd, command, (NAND_CMD_READSTART << 8)
+				| command);
+		else
+			set_cmd_regs(mtd, command, command);
+
+		set_addr(mtd, 0, page_addr);
+
+		flctl->read_bytes = mtd->writesize + mtd->oobsize;
+		flctl->index += column;
+		goto read_normal_exit;
+
+	case NAND_CMD_READOOB:
+		if (flctl->hwecc) {
+			/* read page with hwecc */
+			execmd_read_oob(mtd, page_addr);
+			break;
+		}
+
+		empty_fifo(flctl);
+		if (flctl->page_size) {
+			set_cmd_regs(mtd, command, (NAND_CMD_READSTART << 8)
+				| NAND_CMD_READ0);
+			set_addr(mtd, mtd->writesize, page_addr);
+		} else {
+			set_cmd_regs(mtd, command, command);
+			set_addr(mtd, 0, page_addr);
+		}
+		flctl->read_bytes = mtd->oobsize;
+		goto read_normal_exit;
+
+	case NAND_CMD_READID:
+		empty_fifo(flctl);
+		set_cmd_regs(mtd, command, command);
+		set_addr(mtd, 0, 0);
+
+		flctl->read_bytes = 4;
+		writel(flctl->read_bytes, FLDTCNTR(flctl)); /* set read size */
+		start_translation(flctl);
+		read_datareg(flctl, 0);	/* read and end */
+		break;
+
+	case NAND_CMD_ERASE1:
+		flctl->erase1_page_addr = page_addr;
+		break;
+
+	case NAND_CMD_ERASE2:
+		set_cmd_regs(mtd, NAND_CMD_ERASE1,
+			(command << 8) | NAND_CMD_ERASE1);
+		set_addr(mtd, -1, flctl->erase1_page_addr);
+		start_translation(flctl);
+		wait_completion(flctl);
+		break;
+
+	case NAND_CMD_SEQIN:
+		if (!flctl->page_size) {
+			/* output read command */
+			if (column >= mtd->writesize) {
+				column -= mtd->writesize;
+				read_cmd = NAND_CMD_READOOB;
+			} else if (column < 256) {
+				read_cmd = NAND_CMD_READ0;
+			} else {
+				column -= 256;
+				read_cmd = NAND_CMD_READ1;
+			}
+		}
+		flctl->seqin_column = column;
+		flctl->seqin_page_addr = page_addr;
+		flctl->seqin_read_cmd = read_cmd;
+		break;
+
+	case NAND_CMD_PAGEPROG:
+		empty_fifo(flctl);
+		if (!flctl->page_size) {
+			set_cmd_regs(mtd, NAND_CMD_SEQIN,
+					flctl->seqin_read_cmd);
+			set_addr(mtd, -1, -1);
+			writel(0, FLDTCNTR(flctl));	/* set 0 size */
+			start_translation(flctl);
+			wait_completion(flctl);
+		}
+		if (flctl->hwecc) {
+			/* write page with hwecc */
+			if (flctl->seqin_column == mtd->writesize)
+				execmd_write_oob(mtd);
+			else if (!flctl->seqin_column)
+				execmd_write_page_sector(mtd);
+			else
+				printk(KERN_ERR "Invalid address !?\n");
+			break;
+		}
+		set_cmd_regs(mtd, command, (command << 8) | NAND_CMD_SEQIN);
+		set_addr(mtd, flctl->seqin_column, flctl->seqin_page_addr);
+		writel(flctl->index, FLDTCNTR(flctl));	/* set write size */
+		start_translation(flctl);
+		write_fiforeg(flctl, flctl->index, 0);
+		wait_completion(flctl);
+		break;
+
+	case NAND_CMD_STATUS:
+		set_cmd_regs(mtd, command, command);
+		set_addr(mtd, -1, -1);
+
+		flctl->read_bytes = 1;
+		writel(flctl->read_bytes, FLDTCNTR(flctl)); /* set read size */
+		start_translation(flctl);
+		read_datareg(flctl, 0); /* read and end */
+		break;
+
+	case NAND_CMD_RESET:
+		set_cmd_regs(mtd, command, command);
+		set_addr(mtd, -1, -1);
+
+		writel(0, FLDTCNTR(flctl));	/* set 0 size */
+		start_translation(flctl);
+		wait_completion(flctl);
+		break;
+
+	default:
+		break;
+	}
+	return;
+
+read_normal_exit:
+	writel(flctl->read_bytes, FLDTCNTR(flctl));	/* set read size */
+	start_translation(flctl);
+	read_fiforeg(flctl, flctl->read_bytes, 0);
+	wait_completion(flctl);
+	return;
+}
+
+static void flctl_select_chip(struct mtd_info *mtd, int chipnr)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	uint32_t flcmncr_val = readl(FLCMNCR(flctl));
+
+	switch (chipnr) {
+	case -1:
+		flcmncr_val &= ~CE0_ENABLE;
+		writel(flcmncr_val, FLCMNCR(flctl));
+		break;
+	case 0:
+		flcmncr_val |= CE0_ENABLE;
+		writel(flcmncr_val, FLCMNCR(flctl));
+		break;
+	default:
+		BUG();
+	}
+}
+
+static void flctl_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	int i, index = flctl->index;
+
+	for (i = 0; i < len; i++)
+		flctl->done_buff[index + i] = buf[i];
+	flctl->index += len;
+}
+
+static uint8_t flctl_read_byte(struct mtd_info *mtd)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	int index = flctl->index;
+	uint8_t data;
+
+	data = flctl->done_buff[index];
+	flctl->index++;
+	return data;
+}
+
+static void flctl_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++)
+		buf[i] = flctl_read_byte(mtd);
+}
+
+static int flctl_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++)
+		if (buf[i] != flctl_read_byte(mtd))
+			return -EFAULT;
+	return 0;
+}
+
+static void flctl_register_init(struct sh_flctl *flctl, unsigned long val)
+{
+	writel(val, FLCMNCR(flctl));
+}
+
+static int flctl_chip_init_tail(struct mtd_info *mtd)
+{
+	struct sh_flctl *flctl = mtd_to_flctl(mtd);
+	struct nand_chip *chip = &flctl->chip;
+
+	if (mtd->writesize == 512) {
+		flctl->page_size = 0;
+		if (chip->chipsize > (32 << 20)) {
+			/* big than 32MB */
+			flctl->rw_ADRCNT = ADRCNT_4;
+			flctl->erase_ADRCNT = ADRCNT_3;
+		} else if (chip->chipsize > (2 << 16)) {
+			/* big than 128KB */
+			flctl->rw_ADRCNT = ADRCNT_3;
+			flctl->erase_ADRCNT = ADRCNT_2;
+		} else {
+			flctl->rw_ADRCNT = ADRCNT_2;
+			flctl->erase_ADRCNT = ADRCNT_1;
+		}
+	} else {
+		flctl->page_size = 1;
+		if (chip->chipsize > (128 << 20)) {
+			/* big than 128MB */
+			flctl->rw_ADRCNT = ADRCNT2_E;
+			flctl->erase_ADRCNT = ADRCNT_3;
+		} else if (chip->chipsize > (8 << 16)) {
+			/* big than 512KB */
+			flctl->rw_ADRCNT = ADRCNT_4;
+			flctl->erase_ADRCNT = ADRCNT_2;
+		} else {
+			flctl->rw_ADRCNT = ADRCNT_3;
+			flctl->erase_ADRCNT = ADRCNT_1;
+		}
+	}
+
+	if (flctl->hwecc) {
+		if (mtd->writesize == 512) {
+			chip->ecc.layout = &flctl_4secc_oob_16;
+			chip->badblock_pattern = &flctl_4secc_smallpage;
+		} else {
+			chip->ecc.layout = &flctl_4secc_oob_64;
+			chip->badblock_pattern = &flctl_4secc_largepage;
+		}
+
+		chip->ecc.size = 512;
+		chip->ecc.bytes = 10;
+		chip->ecc.read_page = flctl_read_page_hwecc;
+		chip->ecc.write_page = flctl_write_page_hwecc;
+		chip->ecc.mode = NAND_ECC_HW;
+
+		/* 4 symbols ECC enabled */
+		writel(readl(FLCMNCR(flctl)) | _4ECCEN | ECCPOS2 | ECCPOS_02,
+				FLCMNCR(flctl));
+	} else {
+		chip->ecc.mode = NAND_ECC_SOFT;
+	}
+
+	return 0;
+}
+
+static int __init flctl_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	struct sh_flctl *flctl;
+	struct mtd_info *flctl_mtd;
+	struct nand_chip *nand;
+	struct sh_flctl_platform_data *pdata;
+	int ret;
+
+	pdata = pdev->dev.platform_data;
+	if (pdata == NULL) {
+		printk(KERN_ERR "sh_flctl platform_data not found.\n");
+		return -ENODEV;
+	}
+
+	flctl = kzalloc(sizeof(struct sh_flctl), GFP_KERNEL);
+	if (!flctl) {
+		printk(KERN_ERR "Unable to allocate NAND MTD dev structure.\n");
+		return -ENOMEM;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		printk(KERN_ERR "%s: resource not found.\n", __func__);
+		ret = -ENODEV;
+		goto err;
+	}
+
+	flctl->reg = ioremap(res->start, res->end - res->start + 1);
+	if (flctl->reg == NULL) {
+		printk(KERN_ERR "%s: ioremap error.\n", __func__);
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	platform_set_drvdata(pdev, flctl);
+	flctl_mtd = &flctl->mtd;
+	nand = &flctl->chip;
+	flctl_mtd->priv = nand;
+	flctl->hwecc = pdata->has_hwecc;
+
+	flctl_register_init(flctl, pdata->flcmncr_val);
+
+	nand->options = NAND_NO_AUTOINCR;
+
+	/* Set address of hardware control function */
+	/* 20 us command delay time */
+	nand->chip_delay = 20;
+
+	nand->read_byte = flctl_read_byte;
+	nand->write_buf = flctl_write_buf;
+	nand->read_buf = flctl_read_buf;
+	nand->verify_buf = flctl_verify_buf;
+	nand->select_chip = flctl_select_chip;
+	nand->cmdfunc = flctl_cmdfunc;
+
+	ret = nand_scan_ident(flctl_mtd, 1);
+	if (ret)
+		goto err;
+
+	ret = flctl_chip_init_tail(flctl_mtd);
+	if (ret)
+		goto err;
+
+	ret = nand_scan_tail(flctl_mtd);
+	if (ret)
+		goto err;
+
+	add_mtd_partitions(flctl_mtd, pdata->parts, pdata->nr_parts);
+
+	return 0;
+
+err:
+	kfree(flctl);
+	return ret;
+}
+
+static int __exit flctl_remove(struct platform_device *pdev)
+{
+	struct sh_flctl *flctl = platform_get_drvdata(pdev);
+
+	nand_release(&flctl->mtd);
+	kfree(flctl);
+
+	return 0;
+}
+
+static struct platform_driver flctl_driver = {
+	.probe		= flctl_probe,
+	.remove		= flctl_remove,
+	.driver = {
+		.name	= "sh_flctl",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init flctl_nand_init(void)
+{
+	return platform_driver_register(&flctl_driver);
+}
+
+static void __exit flctl_nand_cleanup(void)
+{
+	platform_driver_unregister(&flctl_driver);
+}
+
+module_init(flctl_nand_init);
+module_exit(flctl_nand_cleanup);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Yoshihiro Shimoda");
+MODULE_DESCRIPTION("SuperH FLCTL driver");
+MODULE_ALIAS("platform:sh_flctl");
-- 
GitLab


From 7d28e0d1e55442d198f7c35626d2c460ac04cab2 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 20 Oct 2008 09:24:43 +0100
Subject: [PATCH 1324/2224] [MTD] [NAND] GPIO driver depends on ARM... for now.

Not all architectures provide readsb(). We should probably move to using
ioread8_rep() instead.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/nand/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index b9eed992546..1c2e9450d66 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -58,7 +58,7 @@ config MTD_NAND_H1900
 
 config MTD_NAND_GPIO
 	tristate "GPIO NAND Flash driver"
-	depends on GENERIC_GPIO
+	depends on GENERIC_GPIO && ARM
 	help
 	  This enables a GPIO based NAND flash driver.
 
-- 
GitLab


From 8a1a6272057e2ad90ab531a70330165888866e60 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 20 Oct 2008 09:26:16 +0100
Subject: [PATCH 1325/2224] Revert "[MTD] m25p80.c code cleanup"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This reverts commit 75d0ee2202b5740e94e913d8a52f91c6557c4c81.

Although it seems ObviouslyCorrectâ„¢, the spi_write() call uses DMA,
while spi_write_then_read() does not. Since our buffer is on the stack,
we must use the latter even though we don't actually want to read
anything back.

Pointed out by David Brownell <david-b@pacbell.net>

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/m25p80.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 697a3a21783..76a76751da3 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -134,7 +134,7 @@ static inline int write_enable(struct m25p *flash)
 {
 	u8	code = OPCODE_WREN;
 
-	return spi_write(flash->spi, &code, 1);
+	return spi_write_then_read(flash->spi, &code, 1, NULL, 0);
 }
 
 
-- 
GitLab


From e67ef25a35b949561a9bd77693523ec94ab4a278 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 25 Sep 2008 23:50:23 +0200
Subject: [PATCH 1326/2224] timer_list: print real timer address

The current timer_list output prints the address of the on stack copy
of the active hrtimer instead of the hrtimer itself.

Print the address of the real timer instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/time/timer_list.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index a40e20fd000..ec9ea6cadd8 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -47,13 +47,14 @@ static void print_name_offset(struct seq_file *m, void *sym)
 }
 
 static void
-print_timer(struct seq_file *m, struct hrtimer *timer, int idx, u64 now)
+print_timer(struct seq_file *m, struct hrtimer *taddr, struct hrtimer *timer,
+	    int idx, u64 now)
 {
 #ifdef CONFIG_TIMER_STATS
 	char tmp[TASK_COMM_LEN + 1];
 #endif
 	SEQ_printf(m, " #%d: ", idx);
-	print_name_offset(m, timer);
+	print_name_offset(m, taddr);
 	SEQ_printf(m, ", ");
 	print_name_offset(m, timer->function);
 	SEQ_printf(m, ", S:%02lx", timer->state);
@@ -99,7 +100,7 @@ next_one:
 		tmp = *timer;
 		spin_unlock_irqrestore(&base->cpu_base->lock, flags);
 
-		print_timer(m, &tmp, i, now);
+		print_timer(m, timer, &tmp, i, now);
 		next++;
 		goto next_one;
 	}
-- 
GitLab


From c5b77a3d3a716a5c61a1999d7f2a78e9c39fd1b0 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 29 Sep 2008 17:31:41 +0200
Subject: [PATCH 1327/2224] timer_list: print cpu number of clockevents device

The per cpu clock events device output of timer_list lacks an
association of the device to the cpu which is annoying when looking at
the output of /proc/timer_list from a 128 way system.

Add the CPU number info and mark the broadcast device in the device
list printout.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/time/timer_list.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index ec9ea6cadd8..5479c6e7a02 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -184,12 +184,16 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now)
 
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 static void
-print_tickdevice(struct seq_file *m, struct tick_device *td)
+print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu)
 {
 	struct clock_event_device *dev = td->evtdev;
 
 	SEQ_printf(m, "\n");
 	SEQ_printf(m, "Tick Device: mode:     %d\n", td->mode);
+	if (cpu < 0)
+		SEQ_printf(m, "Broadcast device\n");
+	else
+		SEQ_printf(m, "Per CPU device: %d\n", cpu);
 
 	SEQ_printf(m, "Clock Event Device: ");
 	if (!dev) {
@@ -223,7 +227,7 @@ static void timer_list_show_tickdevices(struct seq_file *m)
 	int cpu;
 
 #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
-	print_tickdevice(m, tick_get_broadcast_device());
+	print_tickdevice(m, tick_get_broadcast_device(), -1);
 	SEQ_printf(m, "tick_broadcast_mask: %08lx\n",
 		   tick_get_broadcast_mask()->bits[0]);
 #ifdef CONFIG_TICK_ONESHOT
@@ -233,7 +237,7 @@ static void timer_list_show_tickdevices(struct seq_file *m)
 	SEQ_printf(m, "\n");
 #endif
 	for_each_online_cpu(cpu)
-		   print_tickdevice(m, tick_get_device(cpu));
+		print_tickdevice(m, tick_get_device(cpu), cpu);
 	SEQ_printf(m, "\n");
 }
 #else
-- 
GitLab


From 870e2a284567714335d125c390366dce882d726f Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 29 Sep 2008 17:41:55 +0200
Subject: [PATCH 1328/2224] timer_list: add base address to clock base

The base address of a (per cpu) clock base is a useful debug info.
Add it and bump the version number of timer_lists.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/time/timer_list.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index 5479c6e7a02..f6426911e35 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -110,6 +110,7 @@ next_one:
 static void
 print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now)
 {
+	SEQ_printf(m, "  .base:       %p\n", base);
 	SEQ_printf(m, "  .index:      %d\n",
 			base->index);
 	SEQ_printf(m, "  .resolution: %Lu nsecs\n",
@@ -249,7 +250,7 @@ static int timer_list_show(struct seq_file *m, void *v)
 	u64 now = ktime_to_ns(ktime_get());
 	int cpu;
 
-	SEQ_printf(m, "Timer List Version: v0.3\n");
+	SEQ_printf(m, "Timer List Version: v0.4\n");
 	SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES);
 	SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now);
 
-- 
GitLab


From 041fb574c75a570a0796acd3ed83e4ce0ea920f4 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Mon, 20 Oct 2008 03:31:17 -0700
Subject: [PATCH 1329/2224] netfilter: ctnetlink: remove obsolete NAT
 dependency from Kconfig

Now that ctnetlink doesn't have any NAT module depenencies anymore,
we can also remove them from Kconfig.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 78892cf2b02..25dcef9f219 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -271,7 +271,6 @@ config NF_CONNTRACK_TFTP
 config NF_CT_NETLINK
 	tristate 'Connection tracking netlink interface'
 	select NETFILTER_NETLINK
-	depends on NF_NAT=n || NF_NAT
 	default m if NETFILTER_ADVANCED=n
 	help
 	  This option enables support for a netlink-based userspace interface
-- 
GitLab


From 10a03a42d140a029bcba531df2897839f3569871 Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Mon, 20 Oct 2008 03:31:54 -0700
Subject: [PATCH 1330/2224] netfilter: netns: use NFPROTO_NUMPROTO instead of
 NUMPROTO for tables array

The netfilter families have been decoupled from regular protocol families.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/netns/x_tables.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/netns/x_tables.h b/include/net/netns/x_tables.h
index 0cb63ed2c1f..b8093971ccb 100644
--- a/include/net/netns/x_tables.h
+++ b/include/net/netns/x_tables.h
@@ -2,9 +2,9 @@
 #define __NETNS_X_TABLES_H
 
 #include <linux/list.h>
-#include <linux/net.h>
+#include <linux/netfilter.h>
 
 struct netns_xt {
-	struct list_head tables[NPROTO];
+	struct list_head tables[NFPROTO_NUMPROTO];
 };
 #endif
-- 
GitLab


From 6def1eb48101600884ebed56de03041fadc7a985 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 20 Oct 2008 03:32:21 -0700
Subject: [PATCH 1331/2224] netfilter: xt_iprange: fix range inversion match

Inverted IPv4 v1 and IPv6 v0 matches don't match anything since 2.6.25-rc1!

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/xt_iprange.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/netfilter/xt_iprange.c b/net/netfilter/xt_iprange.c
index 6f62c36948d..7ac54eab0b0 100644
--- a/net/netfilter/xt_iprange.c
+++ b/net/netfilter/xt_iprange.c
@@ -61,7 +61,7 @@ iprange_mt4(const struct sk_buff *skb, const struct xt_match_param *par)
 	if (info->flags & IPRANGE_SRC) {
 		m  = ntohl(iph->saddr) < ntohl(info->src_min.ip);
 		m |= ntohl(iph->saddr) > ntohl(info->src_max.ip);
-		m ^= info->flags & IPRANGE_SRC_INV;
+		m ^= !!(info->flags & IPRANGE_SRC_INV);
 		if (m) {
 			pr_debug("src IP " NIPQUAD_FMT " NOT in range %s"
 			         NIPQUAD_FMT "-" NIPQUAD_FMT "\n",
@@ -75,7 +75,7 @@ iprange_mt4(const struct sk_buff *skb, const struct xt_match_param *par)
 	if (info->flags & IPRANGE_DST) {
 		m  = ntohl(iph->daddr) < ntohl(info->dst_min.ip);
 		m |= ntohl(iph->daddr) > ntohl(info->dst_max.ip);
-		m ^= info->flags & IPRANGE_DST_INV;
+		m ^= !!(info->flags & IPRANGE_DST_INV);
 		if (m) {
 			pr_debug("dst IP " NIPQUAD_FMT " NOT in range %s"
 			         NIPQUAD_FMT "-" NIPQUAD_FMT "\n",
@@ -114,14 +114,14 @@ iprange_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
 	if (info->flags & IPRANGE_SRC) {
 		m  = iprange_ipv6_sub(&iph->saddr, &info->src_min.in6) < 0;
 		m |= iprange_ipv6_sub(&iph->saddr, &info->src_max.in6) > 0;
-		m ^= info->flags & IPRANGE_SRC_INV;
+		m ^= !!(info->flags & IPRANGE_SRC_INV);
 		if (m)
 			return false;
 	}
 	if (info->flags & IPRANGE_DST) {
 		m  = iprange_ipv6_sub(&iph->daddr, &info->dst_min.in6) < 0;
 		m |= iprange_ipv6_sub(&iph->daddr, &info->dst_max.in6) > 0;
-		m ^= info->flags & IPRANGE_DST_INV;
+		m ^= !!(info->flags & IPRANGE_DST_INV);
 		if (m)
 			return false;
 	}
-- 
GitLab


From 311670f3ea90115f2f1840e3e9770ed71e06e6c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Mon, 20 Oct 2008 03:33:24 -0700
Subject: [PATCH 1332/2224] netfilter: snmp nat leaks memory in case of failure
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/netfilter/nf_nat_snmp_basic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index ffeaffc3fff..8303e4b406c 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -742,6 +742,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 			*obj = kmalloc(sizeof(struct snmp_object) + len,
 				       GFP_ATOMIC);
 			if (*obj == NULL) {
+				kfree(p);
 				kfree(id);
 				if (net_ratelimit())
 					printk("OOM in bsalg (%d)\n", __LINE__);
-- 
GitLab


From b09eec161b0d416cac0f4758042efdf8f912ce27 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 20 Oct 2008 03:33:49 -0700
Subject: [PATCH 1333/2224] netfilter: xt_recent: use proc_create_data()

Fixes a crash in recent_seq_start:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000100
IP: [<ffffffffa002119c>] recent_seq_start+0x4c/0x90 [xt_recent]
PGD 17d33c067 PUD 107afe067 PMD 0
Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
CPU 0
Modules linked in: ipt_LOG xt_recent af_packet iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 xt_tcpudp iptable_filter ip_tables x_tables ext2 nls_utf8 fuse sr_mod cdrom [last unloaded: ntfs]
Pid: 32373, comm: cat Not tainted 2.6.27-04ab591808565f968d4406f6435090ad671ebdab #6
RIP: 0010:[<ffffffffa002119c>]  [<ffffffffa002119c>] recent_seq_start+0x4c/0x90 [xt_recent]
RSP: 0018:ffff88015fed7e28  EFLAGS: 00010246
...

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/xt_recent.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 4ebd4ca9a99..280c471bcdf 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -318,15 +318,15 @@ static bool recent_mt_check(const struct xt_mtchk_param *par)
 	for (i = 0; i < ip_list_hash_size; i++)
 		INIT_LIST_HEAD(&t->iphash[i]);
 #ifdef CONFIG_PROC_FS
-	t->proc = proc_create(t->name, ip_list_perms, recent_proc_dir,
-		  &recent_mt_fops);
+	t->proc = proc_create_data(t->name, ip_list_perms, recent_proc_dir,
+		  &recent_mt_fops, t);
 	if (t->proc == NULL) {
 		kfree(t);
 		goto out;
 	}
 #ifdef CONFIG_NETFILTER_XT_MATCH_RECENT_PROC_COMPAT
-	t->proc_old = proc_create(t->name, ip_list_perms, proc_old_dir,
-		      &recent_old_fops);
+	t->proc_old = proc_create_data(t->name, ip_list_perms, proc_old_dir,
+		      &recent_old_fops, t);
 	if (t->proc_old == NULL) {
 		remove_proc_entry(t->name, proc_old_dir);
 		kfree(t);
@@ -334,11 +334,9 @@ static bool recent_mt_check(const struct xt_mtchk_param *par)
 	}
 	t->proc_old->uid   = ip_list_uid;
 	t->proc_old->gid   = ip_list_gid;
-	t->proc_old->data  = t;
 #endif
 	t->proc->uid       = ip_list_uid;
 	t->proc->gid       = ip_list_gid;
-	t->proc->data      = t;
 #endif
 	spin_lock_bh(&recent_lock);
 	list_add_tail(&t->list, &tables);
-- 
GitLab


From 67671841dfb82df7a60c46e6fefe813cf57805ff Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 20 Oct 2008 03:34:27 -0700
Subject: [PATCH 1334/2224] netfilter: fix compilation error with NAT=n

This patch fixes the compilation of ctnetlink when the NAT support
is not enabled.

/home/benh/kernels/linux-powerpc/net/netfilter/nf_conntrack_netlink.c:819: warning: enum nf_nat_manip_type\u2019 declared inside parameter list
/home/benh/kernels/linux-powerpc/net/netfilter/nf_conntrack_netlink.c:819: warning: its scope is only this definition or declaration, which is probably not what you want

Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reported by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/netfilter/nf_conntrack_netlink.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 2e4ad9671e1..a040d46f85d 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -813,6 +813,7 @@ out:
 	return err;
 }
 
+#ifdef CONFIG_NF_NAT_NEEDED
 static int
 ctnetlink_parse_nat_setup(struct nf_conn *ct,
 			  enum nf_nat_manip_type manip,
@@ -840,6 +841,7 @@ ctnetlink_parse_nat_setup(struct nf_conn *ct,
 
 	return parse_nat_setup(ct, manip, attr);
 }
+#endif
 
 static int
 ctnetlink_change_status(struct nf_conn *ct, struct nlattr *cda[])
-- 
GitLab


From fdc9314cbe027281b5440780692105d49b53cf2c Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@medozas.de>
Date: Mon, 20 Oct 2008 03:34:51 -0700
Subject: [PATCH 1335/2224] netfilter: replace old NF_ARP calls with
 NFPROTO_ARP

(Supplements: ee999d8b9573df1b547aacdc6d79f86eb79c25cd)

NFPROTO_ARP actually has a different value from NF_ARP, so ensure all
callers use the new value so that packets _do_ get delivered to the
registered hooks.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_netfilter.c  | 2 +-
 net/ipv4/arp.c             | 4 ++--
 net/netfilter/xt_NFQUEUE.c | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index a4abed5b4c4..fa5cda4e552 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -719,7 +719,7 @@ static unsigned int br_nf_forward_arp(unsigned int hook, struct sk_buff *skb,
 		return NF_ACCEPT;
 	}
 	*d = (struct net_device *)in;
-	NF_HOOK(NF_ARP, NF_ARP_FORWARD, skb, (struct net_device *)in,
+	NF_HOOK(NFPROTO_ARP, NF_ARP_FORWARD, skb, (struct net_device *)in,
 		(struct net_device *)out, br_nf_forward_finish);
 
 	return NF_STOLEN;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index b043eda60b0..1a9dd66511f 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -663,7 +663,7 @@ out:
 void arp_xmit(struct sk_buff *skb)
 {
 	/* Send it off, maybe filter it using firewalling first.  */
-	NF_HOOK(NF_ARP, NF_ARP_OUT, skb, NULL, skb->dev, dev_queue_xmit);
+	NF_HOOK(NFPROTO_ARP, NF_ARP_OUT, skb, NULL, skb->dev, dev_queue_xmit);
 }
 
 /*
@@ -928,7 +928,7 @@ static int arp_rcv(struct sk_buff *skb, struct net_device *dev,
 
 	memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
 
-	return NF_HOOK(NF_ARP, NF_ARP_IN, skb, dev, NULL, arp_process);
+	return NF_HOOK(NFPROTO_ARP, NF_ARP_IN, skb, dev, NULL, arp_process);
 
 freeskb:
 	kfree_skb(skb);
diff --git a/net/netfilter/xt_NFQUEUE.c b/net/netfilter/xt_NFQUEUE.c
index 2cc1fff4930..f9977b3311f 100644
--- a/net/netfilter/xt_NFQUEUE.c
+++ b/net/netfilter/xt_NFQUEUE.c
@@ -48,7 +48,7 @@ static struct xt_target nfqueue_tg_reg[] __read_mostly = {
 	},
 	{
 		.name		= "NFQUEUE",
-		.family		= NF_ARP,
+		.family		= NFPROTO_ARP,
 		.target		= nfqueue_tg,
 		.targetsize	= sizeof(struct xt_NFQ_info),
 		.me		= THIS_MODULE,
-- 
GitLab


From 24bdeb4598b9560c8ffecb8ba5cefa01f3a12a54 Mon Sep 17 00:00:00 2001
From: Andi Kleen <andi@firstfloor.org>
Date: Sat, 18 Oct 2008 20:27:27 -0700
Subject: [PATCH 1336/2224] Fix documentation of sysrq-q

I fell into the trap recently that it only dumps hrtimers instead of
all timers. Fix the documentation.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: torvalds@linux-foundation.org
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 Documentation/sysrq.txt | 3 ++-
 drivers/char/sysrq.c    | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt
index 5ce0952aa06..49378a9f2b5 100644
--- a/Documentation/sysrq.txt
+++ b/Documentation/sysrq.txt
@@ -95,7 +95,8 @@ On all -  write a character to /proc/sysrq-trigger.  e.g.:
 
 'p'     - Will dump the current registers and flags to your console.
 
-'q'     - Will dump a list of all running timers.
+'q'     - Will dump a list of all running hrtimers.
+	  WARNING: Does not cover any other timers
 
 'r'     - Turns off keyboard raw mode and sets it to XLATE.
 
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index dce4cc0e695..d0c0d64ed36 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -168,7 +168,7 @@ static void sysrq_handle_show_timers(int key, struct tty_struct *tty)
 static struct sysrq_key_op sysrq_show_timers_op = {
 	.handler	= sysrq_handle_show_timers,
 	.help_msg	= "show-all-timers(Q)",
-	.action_msg	= "Show Pending Timers",
+	.action_msg	= "Show pending hrtimers (no others)",
 };
 
 static void sysrq_handle_mountro(int key, struct tty_struct *tty)
-- 
GitLab


From 322acf6585f3c4e82ee32a246b0483ca0f6ad3f4 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Oct 2008 12:33:14 +0200
Subject: [PATCH 1337/2224] fix documentation of sysrq-q really

SysRq-Q also dumps information about the clockevent devices.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 Documentation/sysrq.txt | 4 ++--
 drivers/char/sysrq.c    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt
index 49378a9f2b5..7b3b069c376 100644
--- a/Documentation/sysrq.txt
+++ b/Documentation/sysrq.txt
@@ -95,8 +95,8 @@ On all -  write a character to /proc/sysrq-trigger.  e.g.:
 
 'p'     - Will dump the current registers and flags to your console.
 
-'q'     - Will dump a list of all running hrtimers.
-	  WARNING: Does not cover any other timers
+'q'     - Will dump per CPU lists of all armed hrtimers (not timer_list timers)
+	  and detailed information about all clockevent devices.
 
 'r'     - Turns off keyboard raw mode and sets it to XLATE.
 
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index d0c0d64ed36..ce0d9da52a8 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -168,7 +168,7 @@ static void sysrq_handle_show_timers(int key, struct tty_struct *tty)
 static struct sysrq_key_op sysrq_show_timers_op = {
 	.handler	= sysrq_handle_show_timers,
 	.help_msg	= "show-all-timers(Q)",
-	.action_msg	= "Show pending hrtimers (no others)",
+	.action_msg	= "Show clockevent devices & pending hrtimers (no others)",
 };
 
 static void sysrq_handle_mountro(int key, struct tty_struct *tty)
-- 
GitLab


From e1dd7bc58578ebfcaba989608017fe5156c29c86 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Oct 2008 13:33:36 +0200
Subject: [PATCH 1338/2224] hrtimers: fix docbook comments

hrtimer_start() and hrtimer_start_range_ns() handle relative and
absolute timers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/hrtimer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 51ee90bca2d..00e6f0a1e7a 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -946,7 +946,7 @@ remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base)
 }
 
 /**
- * hrtimer_start_range_ns - (re)start an relative timer on the current CPU
+ * hrtimer_start_range_ns - (re)start an hrtimer on the current CPU
  * @timer:	the timer to be added
  * @tim:	expiry time
  * @delta_ns:	"slack" range for the timer
@@ -1022,7 +1022,7 @@ hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim, unsigned long delta_n
 EXPORT_SYMBOL_GPL(hrtimer_start_range_ns);
 
 /**
- * hrtimer_start - (re)start an relative timer on the current CPU
+ * hrtimer_start - (re)start an hrtimer on the current CPU
  * @timer:	the timer to be added
  * @tim:	expiry time
  * @mode:	expiry mode: absolute (HRTIMER_ABS) or relative (HRTIMER_REL)
-- 
GitLab


From 643bdf68f92a8516574ed7ca3713f9334c331b8d Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Oct 2008 13:38:11 +0200
Subject: [PATCH 1339/2224] hrtimers: simplify hrtimer_peek_ahead_timers()

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/hrtimer.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 00e6f0a1e7a..4fc41414fc0 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1394,22 +1394,16 @@ void hrtimer_interrupt(struct clock_event_device *dev)
  */
 void hrtimer_peek_ahead_timers(void)
 {
-	unsigned long flags;
 	struct tick_device *td;
-	struct clock_event_device *dev;
+	unsigned long flags;
 
 	if (!hrtimer_hres_active())
 		return;
 
 	local_irq_save(flags);
 	td = &__get_cpu_var(tick_cpu_device);
-	if (!td)
-		goto out;
-	dev = td->evtdev;
-	if (!dev)
-		goto out;
-	hrtimer_interrupt(dev);
-out:
+	if (td && td->evtdev)
+		hrtimer_interrupt(td->evtdev);
 	local_irq_restore(flags);
 }
 
-- 
GitLab


From 9b1f261166f56d4b2c33fdf5aad64edd5e30b46f Mon Sep 17 00:00:00 2001
From: Barry Kasindorf <barry.kasindorf@amd.com>
Date: Tue, 15 Jul 2008 00:10:36 +0200
Subject: [PATCH 1340/2224] OProfile: Fix buffer synchronization for IBS

The patch is needed since there is some IBS code in add_ibs_begin()
that handles more than one sample per iteration. This requires calling
get_slots() during each loop.

This fixes the current problem, but a proper solution that reworks the
cpu buffer synchronization is needed here in the future.

Signed-off-by: Barry Kasindorf <barry.kasindorf@amd.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
 drivers/oprofile/buffer_sync.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 33bfa60b0c6..6c0c92a745d 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -564,9 +564,11 @@ void sync_buffer(int cpu)
 	struct task_struct *new;
 	unsigned long cookie = 0;
 	int in_kernel = 1;
-	unsigned int i;
 	sync_buffer_state state = sb_buffer_start;
+#ifndef CONFIG_OPROFILE_IBS
+	unsigned int i;
 	unsigned long available;
+#endif
 
 	mutex_lock(&buffer_mutex);
 
@@ -574,9 +576,13 @@ void sync_buffer(int cpu)
 
 	/* Remember, only we can modify tail_pos */
 
+#ifndef CONFIG_OPROFILE_IBS
 	available = get_slots(cpu_buf);
 
 	for (i = 0; i < available; ++i) {
+#else
+	while (get_slots(cpu_buf)) {
+#endif
 		struct op_sample *s = &cpu_buf->buffer[cpu_buf->tail_pos];
 
 		if (is_code(s->eip)) {
-- 
GitLab


From 27dee52dfb7ecea26c8b70f652f54605b27252e9 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 20 Oct 2008 14:52:16 +0200
Subject: [PATCH 1341/2224] go7007 - Add missing dependency on sound subsystem

The dependency on the sound system is missing for go7007 driver, which
resulted in missing symbols like
  drivers/built-in.o: In function `go7007_snd_remove':
  : undefined reference to `snd_card_disconnect'
  drivers/built-in.o: In function `go7007_snd_remove':
  : undefined reference to `snd_card_free_when_closed'
  ...

This patch adds the dependency on CONFIG_SND, and selects CONFIG_SND_PCM
properly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Ingo Molnar <mingo@elte.hu>
Cc: Ross Cohen <rcohen@snurgle.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/go7007/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/go7007/Kconfig b/drivers/staging/go7007/Kconfig
index 57a121c338c..593fdb767aa 100644
--- a/drivers/staging/go7007/Kconfig
+++ b/drivers/staging/go7007/Kconfig
@@ -1,10 +1,12 @@
 config VIDEO_GO7007
 	tristate "Go 7007 support"
 	depends on VIDEO_DEV && PCI && I2C && INPUT
+	depends on SND
 	select VIDEOBUF_DMA_SG
 	select VIDEO_IR
 	select VIDEO_TUNER
 	select VIDEO_TVEEPROM
+	select SND_PCM
 	select CRC32
 	default N
 	---help---
-- 
GitLab


From c15895ef30c2c03e99802951787183039a349d32 Mon Sep 17 00:00:00 2001
From: Frank Leipold <frank.leipold@eads.net>
Date: Mon, 20 Oct 2008 14:37:53 +0100
Subject: [PATCH 1342/2224] uwb: wrong sizeof argument in mac address compare

In the __uwb_beca_find_bymac function the sizeof returns
the length of a pointer and not the data it is referring
to. Hence only the first 4 bytes were compared, not the
entire 6 bytes MAC address. Now the sizeof takes struct
uwb_mac_addr as argument.

Signed-off-by: Frank Leipold <frank.leipold@eads.net>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
---
 drivers/uwb/beacon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c
index c7f3c972f07..46b18eec502 100644
--- a/drivers/uwb/beacon.c
+++ b/drivers/uwb/beacon.c
@@ -207,7 +207,7 @@ struct uwb_beca_e *__uwb_beca_find_bymac(const struct uwb_mac_addr *mac_addr)
 	struct uwb_beca_e *bce, *next;
 	list_for_each_entry_safe(bce, next, &uwb_beca.list, node) {
 		if (!memcmp(bce->mac_addr, mac_addr->data,
-			    sizeof(bce->mac_addr)))
+			    sizeof(struct uwb_mac_addr)))
 			goto out;
 	}
 	bce = NULL;
-- 
GitLab


From 592aa999d6a272856c9bfbdaac0cfba1bb37c24c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 20 Oct 2008 16:38:19 +0200
Subject: [PATCH 1343/2224] hrtimers: add missing docbook comments to struct
 hrtimer

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 include/linux/hrtimer.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index cb25c1cc235..58bca8e9bae 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -103,9 +103,14 @@ enum hrtimer_cb_mode {
 /**
  * struct hrtimer - the basic hrtimer structure
  * @node:	red black tree node for time ordered insertion
- * @expires:	the absolute expiry time in the hrtimers internal
+ * @_expires:	the absolute expiry time in the hrtimers internal
  *		representation. The time is related to the clock on
- *		which the timer is based.
+ *		which the timer is based. Is setup by adding
+ *		slack to the _softexpires value. For non range timers
+ *		identical to _softexpires.
+ * @_softexpires: the absolute earliest expiry time of the hrtimer.
+ *		The time which was given as expiry time when the timer
+ *		was armed.
  * @function:	timer expiry callback function
  * @base:	pointer to the timer base (per cpu and per clock)
  * @state:	state information (See bit values above)
-- 
GitLab


From ba9d0fd0f0af3eb7ec463847b409dd88f8e5c031 Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jarkko.nikula@nokia.com>
Date: Mon, 20 Oct 2008 15:29:59 +0300
Subject: [PATCH 1344/2224] ALSA: ASoC: OMAP: Fix DSP DAI format in McBSP DAI
 driver

Fix word clock length which must equal to one bit clock cycle in DSP mode.
Surprisingly McBSP is able synchronize into wrong length when it's
slave but e.g. TLV320AIC33 codec in slave configuration is outputting
some amount of noise if word clock length is longer than one bit clock
cycle.

Fix also bit clock and frame sync polarities in DSP mode since they are
opposite from I2S.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Cc: Arun KS <arunks@mistralsolutions.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/soc/omap/omap-mcbsp.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 0a063a98a66..853b33ae343 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -43,6 +43,7 @@
 struct omap_mcbsp_data {
 	unsigned int			bus_id;
 	struct omap_mcbsp_reg_cfg	regs;
+	unsigned int			fmt;
 	/*
 	 * Flags indicating is the bus already activated and configured by
 	 * another substream
@@ -200,6 +201,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
 	struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
 	struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
 	int dma, bus_id = mcbsp_data->bus_id, id = cpu_dai->id;
+	int wlen;
 	unsigned long port;
 
 	if (cpu_class_is_omap1()) {
@@ -244,19 +246,29 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
 	switch (params_format(params)) {
 	case SNDRV_PCM_FORMAT_S16_LE:
 		/* Set word lengths */
+		wlen = 16;
 		regs->rcr2	|= RWDLEN2(OMAP_MCBSP_WORD_16);
 		regs->rcr1	|= RWDLEN1(OMAP_MCBSP_WORD_16);
 		regs->xcr2	|= XWDLEN2(OMAP_MCBSP_WORD_16);
 		regs->xcr1	|= XWDLEN1(OMAP_MCBSP_WORD_16);
-		/* Set FS period and length in terms of bit clock periods */
-		regs->srgr2	|= FPER(16 * 2 - 1);
-		regs->srgr1	|= FWID(16 - 1);
 		break;
 	default:
 		/* Unsupported PCM format */
 		return -EINVAL;
 	}
 
+	/* Set FS period and length in terms of bit clock periods */
+	switch (mcbsp_data->fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+	case SND_SOC_DAIFMT_I2S:
+		regs->srgr2	|= FPER(wlen * 2 - 1);
+		regs->srgr1	|= FWID(wlen - 1);
+		break;
+	case SND_SOC_DAIFMT_DSP_A:
+		regs->srgr2	|= FPER(wlen * 2 - 1);
+		regs->srgr1	|= FWID(0);
+		break;
+	}
+
 	omap_mcbsp_config(bus_id, &mcbsp_data->regs);
 	mcbsp_data->configured = 1;
 
@@ -272,10 +284,12 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 {
 	struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
 	struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
+	unsigned int temp_fmt = fmt;
 
 	if (mcbsp_data->configured)
 		return 0;
 
+	mcbsp_data->fmt = fmt;
 	memset(regs, 0, sizeof(*regs));
 	/* Generic McBSP register settings */
 	regs->spcr2	|= XINTM(3) | FREE;
@@ -293,6 +307,8 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 		/* 0-bit data delay */
 		regs->rcr2      |= RDATDLY(0);
 		regs->xcr2      |= XDATDLY(0);
+		/* Invert bit clock and FS polarity configuration for DSP_A */
+		temp_fmt ^= SND_SOC_DAIFMT_IB_IF;
 		break;
 	default:
 		/* Unsupported data format */
@@ -316,7 +332,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 	}
 
 	/* Set bit clock (CLKX/CLKR) and FS polarities */
-	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+	switch (temp_fmt & SND_SOC_DAIFMT_INV_MASK) {
 	case SND_SOC_DAIFMT_NB_NF:
 		/*
 		 * Normal BCLK + FS.
-- 
GitLab


From d014e5f7f817d8a5d65457c416ade9244785f196 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sat, 18 Oct 2008 20:25:41 -0700
Subject: [PATCH 1345/2224] mailmap: add Mark Brown

A couple of commits have a broken real name - fix them up.

Signed-off-by: Mark Brown <broonie@sirena.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 .mailmap | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.mailmap b/.mailmap
index dfab12f809e..eba9bf953ef 100644
--- a/.mailmap
+++ b/.mailmap
@@ -66,6 +66,7 @@ Kenneth W Chen <kenneth.w.chen@intel.com>
 Koushik <raghavendra.koushik@neterion.com>
 Leonid I Ananiev <leonid.i.ananiev@intel.com>
 Linas Vepstas <linas@austin.ibm.com>
+Mark Brown <broonie@sirena.org.uk>
 Matthieu CASTET <castet.matthieu@free.fr>
 Michael Buesch <mb@bu3sch.de>
 Michael Buesch <mbuesch@freenet.de>
-- 
GitLab


From cbb2ed4ac61f3e3d1656db141cfced6ed38861d5 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Sat, 18 Oct 2008 20:25:46 -0700
Subject: [PATCH 1346/2224] tpm: don't export static functions

Today's linux-next build (powerpc_allyesconfig) failed like this:

drivers/char/tpm/tpm.c:1162: error: __ksymtab_tpm_dev_release causes a section type conflict

Caused by commit 253115b71fa06330bd58afbe01ccaf763a8a0cf1 ("The
tpm_dev_release function is only called for platform devices, not pnp")
which exported a static function.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/tpm/tpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index e70d13defde..9c47dc48c9f 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1157,7 +1157,7 @@ EXPORT_SYMBOL_GPL(tpm_dev_vendor_release);
  * Once all references to platform device are down to 0,
  * release all allocated structures.
  */
-static void tpm_dev_release(struct device *dev)
+void tpm_dev_release(struct device *dev)
 {
 	struct tpm_chip *chip = dev_get_drvdata(dev);
 
-- 
GitLab


From 8433ac61acf733dc4b427de5f0891518c21538f9 Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Sat, 18 Oct 2008 20:25:53 -0700
Subject: [PATCH 1347/2224] serial_txx9: use %lx for iobase

Fix a warning caused by commit 0c8946d97ae7d2d6691f8290a10faa63453b63f8
(serial: Make uart_port's ioport "unsigned long".)

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Josip Rodin <joy@entuzijast.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/serial/serial_txx9.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 8fcb4c5b9a2..7313c2edcb8 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -1039,7 +1039,7 @@ static int __devinit serial_txx9_probe(struct platform_device *dev)
 		ret = serial_txx9_register_port(&port);
 		if (ret < 0) {
 			dev_err(&dev->dev, "unable to register port at index %d "
-				"(IO%x MEM%llx IRQ%d): %d\n", i,
+				"(IO%lx MEM%llx IRQ%d): %d\n", i,
 				p->iobase, (unsigned long long)p->mapbase,
 				p->irq, ret);
 		}
-- 
GitLab


From 71088785c6bc68fddb450063d57b1bd1c78e0ea1 Mon Sep 17 00:00:00 2001
From: Badari Pulavarty <pbadari@us.ibm.com>
Date: Sat, 18 Oct 2008 20:25:58 -0700
Subject: [PATCH 1348/2224] mm: cleanup to make remove_memory() arch-neutral

There is nothing architecture specific about remove_memory().
remove_memory() function is common for all architectures which support
hotplug memory remove.  Instead of duplicating it in every architecture,
collapse them into arch neutral function.

[akpm@linux-foundation.org: fix the export]
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Gary Hade <garyhade@us.ibm.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/mm/init.c   | 17 -----------------
 arch/powerpc/mm/mem.c | 17 -----------------
 arch/s390/mm/init.c   | 11 -----------
 mm/memory_hotplug.c   | 12 +++++++++++-
 4 files changed, 11 insertions(+), 46 deletions(-)

diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index f482a9098e3..054bcd9439a 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -700,23 +700,6 @@ int arch_add_memory(int nid, u64 start, u64 size)
 
 	return ret;
 }
-#ifdef CONFIG_MEMORY_HOTREMOVE
-int remove_memory(u64 start, u64 size)
-{
-	unsigned long start_pfn, end_pfn;
-	unsigned long timeout = 120 * HZ;
-	int ret;
-	start_pfn = start >> PAGE_SHIFT;
-	end_pfn = start_pfn + (size >> PAGE_SHIFT);
-	ret = offline_pages(start_pfn, end_pfn, timeout);
-	if (ret)
-		goto out;
-	/* we can free mem_map at this point */
-out:
-	return ret;
-}
-EXPORT_SYMBOL_GPL(remove_memory);
-#endif /* CONFIG_MEMORY_HOTREMOVE */
 #endif
 
 /*
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 98d7bf99533..b9e1a1da6e5 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -134,23 +134,6 @@ int arch_add_memory(int nid, u64 start, u64 size)
 
 	return __add_pages(zone, start_pfn, nr_pages);
 }
-
-#ifdef CONFIG_MEMORY_HOTREMOVE
-int remove_memory(u64 start, u64 size)
-{
-	unsigned long start_pfn, end_pfn;
-	int ret;
-
-	start_pfn = start >> PAGE_SHIFT;
-	end_pfn = start_pfn + (size >> PAGE_SHIFT);
-	ret = offline_pages(start_pfn, end_pfn, 120 * HZ);
-	if (ret)
-		goto out;
-	/* Arch-specific calls go here - next patch */
-out:
-	return ret;
-}
-#endif /* CONFIG_MEMORY_HOTREMOVE */
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
 /*
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 1169130a97e..158b0d6d704 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -189,14 +189,3 @@ int arch_add_memory(int nid, u64 start, u64 size)
 	return rc;
 }
 #endif /* CONFIG_MEMORY_HOTPLUG */
-
-#ifdef CONFIG_MEMORY_HOTREMOVE
-int remove_memory(u64 start, u64 size)
-{
-	unsigned long start_pfn, end_pfn;
-
-	start_pfn = PFN_DOWN(start);
-	end_pfn = start_pfn + PFN_DOWN(size);
-	return offline_pages(start_pfn, end_pfn, 120 * HZ);
-}
-#endif /* CONFIG_MEMORY_HOTREMOVE */
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 89fee2dcb03..c299d083d8e 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -26,6 +26,7 @@
 #include <linux/delay.h>
 #include <linux/migrate.h>
 #include <linux/page-isolation.h>
+#include <linux/pfn.h>
 
 #include <asm/tlbflush.h>
 
@@ -849,10 +850,19 @@ failed_removal:
 
 	return ret;
 }
+
+int remove_memory(u64 start, u64 size)
+{
+	unsigned long start_pfn, end_pfn;
+
+	start_pfn = PFN_DOWN(start);
+	end_pfn = start_pfn + PFN_DOWN(size);
+	return offline_pages(start_pfn, end_pfn, 120 * HZ);
+}
 #else
 int remove_memory(u64 start, u64 size)
 {
 	return -EINVAL;
 }
-EXPORT_SYMBOL_GPL(remove_memory);
 #endif /* CONFIG_MEMORY_HOTREMOVE */
+EXPORT_SYMBOL_GPL(remove_memory);
-- 
GitLab


From 62695a84eb8f2e718bf4dfb21700afaa7a08e0ea Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:26:09 -0700
Subject: [PATCH 1349/2224] vmscan: move isolate_lru_page() to vmscan.c

On large memory systems, the VM can spend way too much time scanning
through pages that it cannot (or should not) evict from memory.  Not only
does it use up CPU time, but it also provokes lock contention and can
leave large systems under memory presure in a catatonic state.

This patch series improves VM scalability by:

1) putting filesystem backed, swap backed and unevictable pages
   onto their own LRUs, so the system only scans the pages that it
   can/should evict from memory

2) switching to two handed clock replacement for the anonymous LRUs,
   so the number of pages that need to be scanned when the system
   starts swapping is bound to a reasonable number

3) keeping unevictable pages off the LRU completely, so the
   VM does not waste CPU time scanning them. ramfs, ramdisk,
   SHM_LOCKED shared memory segments and mlock()ed VMA pages
   are keept on the unevictable list.

This patch:

isolate_lru_page logically belongs to be in vmscan.c than migrate.c.

It is tough, because we don't need that function without memory migration
so there is a valid argument to have it in migrate.c.  However a
subsequent patch needs to make use of it in the core mm, so we can happily
move it to vmscan.c.

Also, make the function a little more generic by not requiring that it
adds an isolated page to a given list.  Callers can do that.

	Note that we now have '__isolate_lru_page()', that does
	something quite different, visible outside of vmscan.c
	for use with memory controller.  Methinks we need to
	rationalize these names/purposes.	--lts

[akpm@linux-foundation.org: fix mm/memory_hotplug.c build]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/migrate.h |  3 ---
 mm/internal.h           |  2 ++
 mm/memory_hotplug.c     |  3 ++-
 mm/mempolicy.c          |  9 +++++++--
 mm/migrate.c            | 34 +++----------------------------
 mm/vmscan.c             | 45 +++++++++++++++++++++++++++++++++++++++++
 6 files changed, 59 insertions(+), 37 deletions(-)

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 03aea612d28..3f34005068d 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -7,7 +7,6 @@
 typedef struct page *new_page_t(struct page *, unsigned long private, int **);
 
 #ifdef CONFIG_MIGRATION
-extern int isolate_lru_page(struct page *p, struct list_head *pagelist);
 extern int putback_lru_pages(struct list_head *l);
 extern int migrate_page(struct address_space *,
 			struct page *, struct page *);
@@ -21,8 +20,6 @@ extern int migrate_vmas(struct mm_struct *mm,
 		const nodemask_t *from, const nodemask_t *to,
 		unsigned long flags);
 #else
-static inline int isolate_lru_page(struct page *p, struct list_head *list)
-					{ return -ENOSYS; }
 static inline int putback_lru_pages(struct list_head *l) { return 0; }
 static inline int migrate_pages(struct list_head *l, new_page_t x,
 		unsigned long private) { return -ENOSYS; }
diff --git a/mm/internal.h b/mm/internal.h
index 1f43f741697..4e8e78b978b 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -39,6 +39,8 @@ static inline void __put_page(struct page *page)
 	atomic_dec(&page->_count);
 }
 
+extern int isolate_lru_page(struct page *page);
+
 extern void __free_pages_bootmem(struct page *page, unsigned int order);
 
 /*
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c299d083d8e..3b497581514 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -658,8 +658,9 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
 		 * We can skip free pages. And we can only deal with pages on
 		 * LRU.
 		 */
-		ret = isolate_lru_page(page, &source);
+		ret = isolate_lru_page(page);
 		if (!ret) { /* Success */
+			list_add_tail(&page->lru, &source);
 			move_pages--;
 		} else {
 			/* Becasue we don't have big zone->lock. we should
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 83369058ec1..71b47491487 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -93,6 +93,8 @@
 #include <asm/tlbflush.h>
 #include <asm/uaccess.h>
 
+#include "internal.h"
+
 /* Internal flags */
 #define MPOL_MF_DISCONTIG_OK (MPOL_MF_INTERNAL << 0)	/* Skip checks for continuous vmas */
 #define MPOL_MF_INVERT (MPOL_MF_INTERNAL << 1)		/* Invert check for nodemask */
@@ -762,8 +764,11 @@ static void migrate_page_add(struct page *page, struct list_head *pagelist,
 	/*
 	 * Avoid migrating a page that is shared with others.
 	 */
-	if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1)
-		isolate_lru_page(page, pagelist);
+	if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1) {
+		if (!isolate_lru_page(page)) {
+			list_add_tail(&page->lru, pagelist);
+		}
+	}
 }
 
 static struct page *new_node_page(struct page *page, unsigned long node, int **x)
diff --git a/mm/migrate.c b/mm/migrate.c
index 2a80136b23b..da73742e52a 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -36,36 +36,6 @@
 
 #define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru))
 
-/*
- * Isolate one page from the LRU lists. If successful put it onto
- * the indicated list with elevated page count.
- *
- * Result:
- *  -EBUSY: page not on LRU list
- *  0: page removed from LRU list and added to the specified list.
- */
-int isolate_lru_page(struct page *page, struct list_head *pagelist)
-{
-	int ret = -EBUSY;
-
-	if (PageLRU(page)) {
-		struct zone *zone = page_zone(page);
-
-		spin_lock_irq(&zone->lru_lock);
-		if (PageLRU(page) && get_page_unless_zero(page)) {
-			ret = 0;
-			ClearPageLRU(page);
-			if (PageActive(page))
-				del_page_from_active_list(zone, page);
-			else
-				del_page_from_inactive_list(zone, page);
-			list_add_tail(&page->lru, pagelist);
-		}
-		spin_unlock_irq(&zone->lru_lock);
-	}
-	return ret;
-}
-
 /*
  * migrate_prep() needs to be called before we start compiling a list of pages
  * to be migrated using isolate_lru_page().
@@ -914,7 +884,9 @@ static int do_move_pages(struct mm_struct *mm, struct page_to_node *pm,
 				!migrate_all)
 			goto put_and_set;
 
-		err = isolate_lru_page(page, &pagelist);
+		err = isolate_lru_page(page);
+		if (!err)
+			list_add_tail(&page->lru, &pagelist);
 put_and_set:
 		/*
 		 * Either remove the duplicate refcount from
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1ff1a58e7c1..1fd4912a596 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -844,6 +844,51 @@ static unsigned long clear_active_flags(struct list_head *page_list)
 	return nr_active;
 }
 
+/**
+ * isolate_lru_page - tries to isolate a page from its LRU list
+ * @page: page to isolate from its LRU list
+ *
+ * Isolates a @page from an LRU list, clears PageLRU and adjusts the
+ * vmstat statistic corresponding to whatever LRU list the page was on.
+ *
+ * Returns 0 if the page was removed from an LRU list.
+ * Returns -EBUSY if the page was not on an LRU list.
+ *
+ * The returned page will have PageLRU() cleared.  If it was found on
+ * the active list, it will have PageActive set.  That flag may need
+ * to be cleared by the caller before letting the page go.
+ *
+ * The vmstat statistic corresponding to the list on which the page was
+ * found will be decremented.
+ *
+ * Restrictions:
+ * (1) Must be called with an elevated refcount on the page. This is a
+ *     fundamentnal difference from isolate_lru_pages (which is called
+ *     without a stable reference).
+ * (2) the lru_lock must not be held.
+ * (3) interrupts must be enabled.
+ */
+int isolate_lru_page(struct page *page)
+{
+	int ret = -EBUSY;
+
+	if (PageLRU(page)) {
+		struct zone *zone = page_zone(page);
+
+		spin_lock_irq(&zone->lru_lock);
+		if (PageLRU(page) && get_page_unless_zero(page)) {
+			ret = 0;
+			ClearPageLRU(page);
+			if (PageActive(page))
+				del_page_from_active_list(zone, page);
+			else
+				del_page_from_inactive_list(zone, page);
+		}
+		spin_unlock_irq(&zone->lru_lock);
+	}
+	return ret;
+}
+
 /*
  * shrink_inactive_list() is a helper for shrink_zone().  It returns the number
  * of reclaimed pages
-- 
GitLab


From b69408e88bd86b98feb7b9a38fd865e1ddb29827 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@linux-foundation.org>
Date: Sat, 18 Oct 2008 20:26:14 -0700
Subject: [PATCH 1350/2224] vmscan: Use an indexed array for LRU variables

Currently we are defining explicit variables for the inactive and active
list.  An indexed array can be more generic and avoid repeating similar
code in several places in the reclaim code.

We are saving a few bytes in terms of code size:

Before:

   text    data     bss     dec     hex filename
4097753  573120 4092484 8763357  85b7dd vmlinux

After:

   text    data     bss     dec     hex filename
4097729  573120 4092484 8763333  85b7c5 vmlinux

Having an easy way to add new lru lists may ease future work on the
reclaim code.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/memcontrol.h |  17 ++----
 include/linux/mm_inline.h  |  49 +++++++++++----
 include/linux/mmzone.h     |  26 ++++++--
 mm/memcontrol.c            | 115 +++++++++++++----------------------
 mm/page_alloc.c            |   9 +--
 mm/swap.c                  |   2 +-
 mm/vmscan.c                | 120 ++++++++++++++++++-------------------
 mm/vmstat.c                |   3 +-
 8 files changed, 171 insertions(+), 170 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index fdf3967e139..a6ac0d491fe 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -69,10 +69,8 @@ extern void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
 extern void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
 							int priority);
 
-extern long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
-				struct zone *zone, int priority);
-extern long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
-				struct zone *zone, int priority);
+extern long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, struct zone *zone,
+					int priority, enum lru_list lru);
 
 #else /* CONFIG_CGROUP_MEM_RES_CTLR */
 static inline void page_reset_bad_cgroup(struct page *page)
@@ -159,14 +157,9 @@ static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
 {
 }
 
-static inline long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
-					struct zone *zone, int priority)
-{
-	return 0;
-}
-
-static inline long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
-					struct zone *zone, int priority)
+static inline long mem_cgroup_calc_reclaim(struct mem_cgroup *mem,
+					struct zone *zone, int priority,
+					enum lru_list lru)
 {
 	return 0;
 }
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 895bc4e9303..2704729777e 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -1,40 +1,67 @@
+static inline void
+add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l)
+{
+	list_add(&page->lru, &zone->lru[l].list);
+	__inc_zone_state(zone, NR_LRU_BASE + l);
+}
+
+static inline void
+del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l)
+{
+	list_del(&page->lru);
+	__dec_zone_state(zone, NR_LRU_BASE + l);
+}
+
 static inline void
 add_page_to_active_list(struct zone *zone, struct page *page)
 {
-	list_add(&page->lru, &zone->active_list);
-	__inc_zone_state(zone, NR_ACTIVE);
+	add_page_to_lru_list(zone, page, LRU_ACTIVE);
 }
 
 static inline void
 add_page_to_inactive_list(struct zone *zone, struct page *page)
 {
-	list_add(&page->lru, &zone->inactive_list);
-	__inc_zone_state(zone, NR_INACTIVE);
+	add_page_to_lru_list(zone, page, LRU_INACTIVE);
 }
 
 static inline void
 del_page_from_active_list(struct zone *zone, struct page *page)
 {
-	list_del(&page->lru);
-	__dec_zone_state(zone, NR_ACTIVE);
+	del_page_from_lru_list(zone, page, LRU_ACTIVE);
 }
 
 static inline void
 del_page_from_inactive_list(struct zone *zone, struct page *page)
 {
-	list_del(&page->lru);
-	__dec_zone_state(zone, NR_INACTIVE);
+	del_page_from_lru_list(zone, page, LRU_INACTIVE);
 }
 
 static inline void
 del_page_from_lru(struct zone *zone, struct page *page)
 {
+	enum lru_list l = LRU_INACTIVE;
+
 	list_del(&page->lru);
 	if (PageActive(page)) {
 		__ClearPageActive(page);
-		__dec_zone_state(zone, NR_ACTIVE);
-	} else {
-		__dec_zone_state(zone, NR_INACTIVE);
+		l = LRU_ACTIVE;
 	}
+	__dec_zone_state(zone, NR_LRU_BASE + l);
 }
 
+/**
+ * page_lru - which LRU list should a page be on?
+ * @page: the page to test
+ *
+ * Returns the LRU list a page should be on, as an index
+ * into the array of LRU lists.
+ */
+static inline enum lru_list page_lru(struct page *page)
+{
+	enum lru_list lru = LRU_BASE;
+
+	if (PageActive(page))
+		lru += LRU_ACTIVE;
+
+	return lru;
+}
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 428328a05fa..156e18f3919 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -81,8 +81,9 @@ struct zone_padding {
 enum zone_stat_item {
 	/* First 128 byte cacheline (assuming 64 bit words) */
 	NR_FREE_PAGES,
-	NR_INACTIVE,
-	NR_ACTIVE,
+	NR_LRU_BASE,
+	NR_INACTIVE = NR_LRU_BASE, /* must match order of LRU_[IN]ACTIVE */
+	NR_ACTIVE,	/*  "     "     "   "       "         */
 	NR_ANON_PAGES,	/* Mapped anonymous pages */
 	NR_FILE_MAPPED,	/* pagecache pages mapped into pagetables.
 			   only modified from process context */
@@ -107,6 +108,19 @@ enum zone_stat_item {
 #endif
 	NR_VM_ZONE_STAT_ITEMS };
 
+enum lru_list {
+	LRU_BASE,
+	LRU_INACTIVE=LRU_BASE,	/* must match order of NR_[IN]ACTIVE */
+	LRU_ACTIVE,		/*  "     "     "   "       "        */
+	NR_LRU_LISTS };
+
+#define for_each_lru(l) for (l = 0; l < NR_LRU_LISTS; l++)
+
+static inline int is_active_lru(enum lru_list l)
+{
+	return (l == LRU_ACTIVE);
+}
+
 struct per_cpu_pages {
 	int count;		/* number of pages in the list */
 	int high;		/* high watermark, emptying needed */
@@ -251,10 +265,10 @@ struct zone {
 
 	/* Fields commonly accessed by the page reclaim scanner */
 	spinlock_t		lru_lock;	
-	struct list_head	active_list;
-	struct list_head	inactive_list;
-	unsigned long		nr_scan_active;
-	unsigned long		nr_scan_inactive;
+	struct {
+		struct list_head list;
+		unsigned long nr_scan;
+	} lru[NR_LRU_LISTS];
 	unsigned long		pages_scanned;	   /* since last reclaim */
 	unsigned long		flags;		   /* zone flags, see below */
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 36896f3eb7f..c0cbd7790c5 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -32,6 +32,7 @@
 #include <linux/fs.h>
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
+#include <linux/mm_inline.h>
 
 #include <asm/uaccess.h>
 
@@ -85,22 +86,13 @@ static s64 mem_cgroup_read_stat(struct mem_cgroup_stat *stat,
 /*
  * per-zone information in memory controller.
  */
-
-enum mem_cgroup_zstat_index {
-	MEM_CGROUP_ZSTAT_ACTIVE,
-	MEM_CGROUP_ZSTAT_INACTIVE,
-
-	NR_MEM_CGROUP_ZSTAT,
-};
-
 struct mem_cgroup_per_zone {
 	/*
 	 * spin_lock to protect the per cgroup LRU
 	 */
 	spinlock_t		lru_lock;
-	struct list_head	active_list;
-	struct list_head	inactive_list;
-	unsigned long count[NR_MEM_CGROUP_ZSTAT];
+	struct list_head	lists[NR_LRU_LISTS];
+	unsigned long		count[NR_LRU_LISTS];
 };
 /* Macro for accessing counter */
 #define MEM_CGROUP_ZSTAT(mz, idx)	((mz)->count[(idx)])
@@ -227,7 +219,7 @@ page_cgroup_zoneinfo(struct page_cgroup *pc)
 }
 
 static unsigned long mem_cgroup_get_all_zonestat(struct mem_cgroup *mem,
-					enum mem_cgroup_zstat_index idx)
+					enum lru_list idx)
 {
 	int nid, zid;
 	struct mem_cgroup_per_zone *mz;
@@ -297,11 +289,9 @@ static void __mem_cgroup_remove_list(struct mem_cgroup_per_zone *mz,
 			struct page_cgroup *pc)
 {
 	int from = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
+	int lru = !!from;
 
-	if (from)
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_ACTIVE) -= 1;
-	else
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_INACTIVE) -= 1;
+	MEM_CGROUP_ZSTAT(mz, lru) -= 1;
 
 	mem_cgroup_charge_statistics(pc->mem_cgroup, pc->flags, false);
 	list_del(&pc->lru);
@@ -310,37 +300,35 @@ static void __mem_cgroup_remove_list(struct mem_cgroup_per_zone *mz,
 static void __mem_cgroup_add_list(struct mem_cgroup_per_zone *mz,
 				struct page_cgroup *pc)
 {
-	int to = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
+	int lru = LRU_INACTIVE;
+
+	if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
+		lru += LRU_ACTIVE;
+
+	MEM_CGROUP_ZSTAT(mz, lru) += 1;
+	list_add(&pc->lru, &mz->lists[lru]);
 
-	if (!to) {
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_INACTIVE) += 1;
-		list_add(&pc->lru, &mz->inactive_list);
-	} else {
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_ACTIVE) += 1;
-		list_add(&pc->lru, &mz->active_list);
-	}
 	mem_cgroup_charge_statistics(pc->mem_cgroup, pc->flags, true);
 }
 
 static void __mem_cgroup_move_lists(struct page_cgroup *pc, bool active)
 {
-	int from = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
 	struct mem_cgroup_per_zone *mz = page_cgroup_zoneinfo(pc);
+	int lru = LRU_INACTIVE;
 
-	if (from)
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_ACTIVE) -= 1;
-	else
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_INACTIVE) -= 1;
+	if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
+		lru += LRU_ACTIVE;
 
-	if (active) {
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_ACTIVE) += 1;
+	MEM_CGROUP_ZSTAT(mz, lru) -= 1;
+
+	if (active)
 		pc->flags |= PAGE_CGROUP_FLAG_ACTIVE;
-		list_move(&pc->lru, &mz->active_list);
-	} else {
-		MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_INACTIVE) += 1;
+	else
 		pc->flags &= ~PAGE_CGROUP_FLAG_ACTIVE;
-		list_move(&pc->lru, &mz->inactive_list);
-	}
+
+	lru = !!active;
+	MEM_CGROUP_ZSTAT(mz, lru) += 1;
+	list_move(&pc->lru, &mz->lists[lru]);
 }
 
 int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem)
@@ -412,8 +400,8 @@ long mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem)
 {
 	unsigned long active, inactive;
 	/* active and inactive are the number of pages. 'long' is ok.*/
-	active = mem_cgroup_get_all_zonestat(mem, MEM_CGROUP_ZSTAT_ACTIVE);
-	inactive = mem_cgroup_get_all_zonestat(mem, MEM_CGROUP_ZSTAT_INACTIVE);
+	active = mem_cgroup_get_all_zonestat(mem, LRU_ACTIVE);
+	inactive = mem_cgroup_get_all_zonestat(mem, LRU_INACTIVE);
 	return (long) (active / (inactive + 1));
 }
 
@@ -444,28 +432,17 @@ void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem, int priority)
  * (see include/linux/mmzone.h)
  */
 
-long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
-				   struct zone *zone, int priority)
+long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, struct zone *zone,
+					int priority, enum lru_list lru)
 {
-	long nr_active;
+	long nr_pages;
 	int nid = zone->zone_pgdat->node_id;
 	int zid = zone_idx(zone);
 	struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(mem, nid, zid);
 
-	nr_active = MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_ACTIVE);
-	return (nr_active >> priority);
-}
-
-long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
-					struct zone *zone, int priority)
-{
-	long nr_inactive;
-	int nid = zone->zone_pgdat->node_id;
-	int zid = zone_idx(zone);
-	struct mem_cgroup_per_zone *mz = mem_cgroup_zoneinfo(mem, nid, zid);
+	nr_pages = MEM_CGROUP_ZSTAT(mz, lru);
 
-	nr_inactive = MEM_CGROUP_ZSTAT(mz, MEM_CGROUP_ZSTAT_INACTIVE);
-	return (nr_inactive >> priority);
+	return (nr_pages >> priority);
 }
 
 unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
@@ -484,14 +461,11 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 	int nid = z->zone_pgdat->node_id;
 	int zid = zone_idx(z);
 	struct mem_cgroup_per_zone *mz;
+	int lru = !!active;
 
 	BUG_ON(!mem_cont);
 	mz = mem_cgroup_zoneinfo(mem_cont, nid, zid);
-	if (active)
-		src = &mz->active_list;
-	else
-		src = &mz->inactive_list;
-
+	src = &mz->lists[lru];
 
 	spin_lock(&mz->lru_lock);
 	scan = 0;
@@ -863,7 +837,7 @@ int mem_cgroup_resize_limit(struct mem_cgroup *memcg, unsigned long long val)
 #define FORCE_UNCHARGE_BATCH	(128)
 static void mem_cgroup_force_empty_list(struct mem_cgroup *mem,
 			    struct mem_cgroup_per_zone *mz,
-			    int active)
+			    enum lru_list lru)
 {
 	struct page_cgroup *pc;
 	struct page *page;
@@ -871,10 +845,7 @@ static void mem_cgroup_force_empty_list(struct mem_cgroup *mem,
 	unsigned long flags;
 	struct list_head *list;
 
-	if (active)
-		list = &mz->active_list;
-	else
-		list = &mz->inactive_list;
+	list = &mz->lists[lru];
 
 	spin_lock_irqsave(&mz->lru_lock, flags);
 	while (!list_empty(list)) {
@@ -922,11 +893,10 @@ static int mem_cgroup_force_empty(struct mem_cgroup *mem)
 		for_each_node_state(node, N_POSSIBLE)
 			for (zid = 0; zid < MAX_NR_ZONES; zid++) {
 				struct mem_cgroup_per_zone *mz;
+				enum lru_list l;
 				mz = mem_cgroup_zoneinfo(mem, node, zid);
-				/* drop all page_cgroup in active_list */
-				mem_cgroup_force_empty_list(mem, mz, 1);
-				/* drop all page_cgroup in inactive_list */
-				mem_cgroup_force_empty_list(mem, mz, 0);
+				for_each_lru(l)
+					mem_cgroup_force_empty_list(mem, mz, l);
 			}
 	}
 	ret = 0;
@@ -1015,9 +985,9 @@ static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft,
 		unsigned long active, inactive;
 
 		inactive = mem_cgroup_get_all_zonestat(mem_cont,
-						MEM_CGROUP_ZSTAT_INACTIVE);
+						LRU_INACTIVE);
 		active = mem_cgroup_get_all_zonestat(mem_cont,
-						MEM_CGROUP_ZSTAT_ACTIVE);
+						LRU_ACTIVE);
 		cb->fill(cb, "active", (active) * PAGE_SIZE);
 		cb->fill(cb, "inactive", (inactive) * PAGE_SIZE);
 	}
@@ -1062,6 +1032,7 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *mem, int node)
 {
 	struct mem_cgroup_per_node *pn;
 	struct mem_cgroup_per_zone *mz;
+	enum lru_list l;
 	int zone, tmp = node;
 	/*
 	 * This routine is called against possible nodes.
@@ -1082,9 +1053,9 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *mem, int node)
 
 	for (zone = 0; zone < MAX_NR_ZONES; zone++) {
 		mz = &pn->zoneinfo[zone];
-		INIT_LIST_HEAD(&mz->active_list);
-		INIT_LIST_HEAD(&mz->inactive_list);
 		spin_lock_init(&mz->lru_lock);
+		for_each_lru(l)
+			INIT_LIST_HEAD(&mz->lists[l]);
 	}
 	return 0;
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9eb9eb92828..ee7a96ef40d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3414,6 +3414,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
 	for (j = 0; j < MAX_NR_ZONES; j++) {
 		struct zone *zone = pgdat->node_zones + j;
 		unsigned long size, realsize, memmap_pages;
+		enum lru_list l;
 
 		size = zone_spanned_pages_in_node(nid, j, zones_size);
 		realsize = size - zone_absent_pages_in_node(nid, j,
@@ -3465,10 +3466,10 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
 		zone->prev_priority = DEF_PRIORITY;
 
 		zone_pcp_init(zone);
-		INIT_LIST_HEAD(&zone->active_list);
-		INIT_LIST_HEAD(&zone->inactive_list);
-		zone->nr_scan_active = 0;
-		zone->nr_scan_inactive = 0;
+		for_each_lru(l) {
+			INIT_LIST_HEAD(&zone->lru[l].list);
+			zone->lru[l].nr_scan = 0;
+		}
 		zap_zone_vm_stats(zone);
 		zone->flags = 0;
 		if (!size)
diff --git a/mm/swap.c b/mm/swap.c
index 9e0cb311807..82c2b3a76f9 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -117,7 +117,7 @@ static void pagevec_move_tail(struct pagevec *pvec)
 			spin_lock(&zone->lru_lock);
 		}
 		if (PageLRU(page) && !PageActive(page)) {
-			list_move_tail(&page->lru, &zone->inactive_list);
+			list_move_tail(&page->lru, &zone->lru[LRU_INACTIVE].list);
 			pgmoved++;
 		}
 	}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1fd4912a596..46fdaa546b8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -819,10 +819,10 @@ static unsigned long isolate_pages_global(unsigned long nr,
 					int active)
 {
 	if (active)
-		return isolate_lru_pages(nr, &z->active_list, dst,
+		return isolate_lru_pages(nr, &z->lru[LRU_ACTIVE].list, dst,
 						scanned, order, mode);
 	else
-		return isolate_lru_pages(nr, &z->inactive_list, dst,
+		return isolate_lru_pages(nr, &z->lru[LRU_INACTIVE].list, dst,
 						scanned, order, mode);
 }
 
@@ -973,10 +973,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 			VM_BUG_ON(PageLRU(page));
 			SetPageLRU(page);
 			list_del(&page->lru);
-			if (PageActive(page))
-				add_page_to_active_list(zone, page);
-			else
-				add_page_to_inactive_list(zone, page);
+			add_page_to_lru_list(zone, page, page_lru(page));
 			if (!pagevec_add(&pvec, page)) {
 				spin_unlock_irq(&zone->lru_lock);
 				__pagevec_release(&pvec);
@@ -1144,8 +1141,8 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 	int pgdeactivate = 0;
 	unsigned long pgscanned;
 	LIST_HEAD(l_hold);	/* The pages which were snipped off */
-	LIST_HEAD(l_inactive);	/* Pages to go onto the inactive_list */
-	LIST_HEAD(l_active);	/* Pages to go onto the active_list */
+	LIST_HEAD(l_active);
+	LIST_HEAD(l_inactive);
 	struct page *page;
 	struct pagevec pvec;
 	int reclaim_mapped = 0;
@@ -1194,7 +1191,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		VM_BUG_ON(!PageActive(page));
 		ClearPageActive(page);
 
-		list_move(&page->lru, &zone->inactive_list);
+		list_move(&page->lru, &zone->lru[LRU_INACTIVE].list);
 		mem_cgroup_move_lists(page, false);
 		pgmoved++;
 		if (!pagevec_add(&pvec, page)) {
@@ -1224,7 +1221,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		SetPageLRU(page);
 		VM_BUG_ON(!PageActive(page));
 
-		list_move(&page->lru, &zone->active_list);
+		list_move(&page->lru, &zone->lru[LRU_ACTIVE].list);
 		mem_cgroup_move_lists(page, true);
 		pgmoved++;
 		if (!pagevec_add(&pvec, page)) {
@@ -1244,65 +1241,64 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 	pagevec_release(&pvec);
 }
 
+static unsigned long shrink_list(enum lru_list l, unsigned long nr_to_scan,
+	struct zone *zone, struct scan_control *sc, int priority)
+{
+	if (l == LRU_ACTIVE) {
+		shrink_active_list(nr_to_scan, zone, sc, priority);
+		return 0;
+	}
+	return shrink_inactive_list(nr_to_scan, zone, sc);
+}
+
 /*
  * This is a basic per-zone page freer.  Used by both kswapd and direct reclaim.
  */
 static unsigned long shrink_zone(int priority, struct zone *zone,
 				struct scan_control *sc)
 {
-	unsigned long nr_active;
-	unsigned long nr_inactive;
+	unsigned long nr[NR_LRU_LISTS];
 	unsigned long nr_to_scan;
 	unsigned long nr_reclaimed = 0;
+	enum lru_list l;
 
 	if (scan_global_lru(sc)) {
 		/*
 		 * Add one to nr_to_scan just to make sure that the kernel
 		 * will slowly sift through the active list.
 		 */
-		zone->nr_scan_active +=
-			(zone_page_state(zone, NR_ACTIVE) >> priority) + 1;
-		nr_active = zone->nr_scan_active;
-		zone->nr_scan_inactive +=
-			(zone_page_state(zone, NR_INACTIVE) >> priority) + 1;
-		nr_inactive = zone->nr_scan_inactive;
-		if (nr_inactive >= sc->swap_cluster_max)
-			zone->nr_scan_inactive = 0;
-		else
-			nr_inactive = 0;
-
-		if (nr_active >= sc->swap_cluster_max)
-			zone->nr_scan_active = 0;
-		else
-			nr_active = 0;
+		for_each_lru(l) {
+			zone->lru[l].nr_scan += (zone_page_state(zone,
+					NR_LRU_BASE + l)  >> priority) + 1;
+			nr[l] = zone->lru[l].nr_scan;
+			if (nr[l] >= sc->swap_cluster_max)
+				zone->lru[l].nr_scan = 0;
+			else
+				nr[l] = 0;
+		}
 	} else {
 		/*
 		 * This reclaim occurs not because zone memory shortage but
 		 * because memory controller hits its limit.
 		 * Then, don't modify zone reclaim related data.
 		 */
-		nr_active = mem_cgroup_calc_reclaim_active(sc->mem_cgroup,
-					zone, priority);
+		nr[LRU_ACTIVE] = mem_cgroup_calc_reclaim(sc->mem_cgroup,
+					zone, priority, LRU_ACTIVE);
 
-		nr_inactive = mem_cgroup_calc_reclaim_inactive(sc->mem_cgroup,
-					zone, priority);
+		nr[LRU_INACTIVE] = mem_cgroup_calc_reclaim(sc->mem_cgroup,
+					zone, priority, LRU_INACTIVE);
 	}
 
-
-	while (nr_active || nr_inactive) {
-		if (nr_active) {
-			nr_to_scan = min(nr_active,
+	while (nr[LRU_ACTIVE] || nr[LRU_INACTIVE]) {
+		for_each_lru(l) {
+			if (nr[l]) {
+				nr_to_scan = min(nr[l],
 					(unsigned long)sc->swap_cluster_max);
-			nr_active -= nr_to_scan;
-			shrink_active_list(nr_to_scan, zone, sc, priority);
-		}
+				nr[l] -= nr_to_scan;
 
-		if (nr_inactive) {
-			nr_to_scan = min(nr_inactive,
-					(unsigned long)sc->swap_cluster_max);
-			nr_inactive -= nr_to_scan;
-			nr_reclaimed += shrink_inactive_list(nr_to_scan, zone,
-								sc);
+				nr_reclaimed += shrink_list(l, nr_to_scan,
+							zone, sc, priority);
+			}
 		}
 	}
 
@@ -1819,6 +1815,7 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
 {
 	struct zone *zone;
 	unsigned long nr_to_scan, ret = 0;
+	enum lru_list l;
 
 	for_each_zone(zone) {
 
@@ -1828,28 +1825,25 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
 		if (zone_is_all_unreclaimable(zone) && prio != DEF_PRIORITY)
 			continue;
 
-		/* For pass = 0 we don't shrink the active list */
-		if (pass > 0) {
-			zone->nr_scan_active +=
-				(zone_page_state(zone, NR_ACTIVE) >> prio) + 1;
-			if (zone->nr_scan_active >= nr_pages || pass > 3) {
-				zone->nr_scan_active = 0;
+		for_each_lru(l) {
+			/* For pass = 0 we don't shrink the active list */
+			if (pass == 0 && l == LRU_ACTIVE)
+				continue;
+
+			zone->lru[l].nr_scan +=
+				(zone_page_state(zone, NR_LRU_BASE + l)
+								>> prio) + 1;
+			if (zone->lru[l].nr_scan >= nr_pages || pass > 3) {
+				zone->lru[l].nr_scan = 0;
 				nr_to_scan = min(nr_pages,
-					zone_page_state(zone, NR_ACTIVE));
-				shrink_active_list(nr_to_scan, zone, sc, prio);
+					zone_page_state(zone,
+							NR_LRU_BASE + l));
+				ret += shrink_list(l, nr_to_scan, zone,
+								sc, prio);
+				if (ret >= nr_pages)
+					return ret;
 			}
 		}
-
-		zone->nr_scan_inactive +=
-			(zone_page_state(zone, NR_INACTIVE) >> prio) + 1;
-		if (zone->nr_scan_inactive >= nr_pages || pass > 3) {
-			zone->nr_scan_inactive = 0;
-			nr_to_scan = min(nr_pages,
-				zone_page_state(zone, NR_INACTIVE));
-			ret += shrink_inactive_list(nr_to_scan, zone, sc);
-			if (ret >= nr_pages)
-				return ret;
-		}
 	}
 
 	return ret;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index d7826af2fb0..52c0335c1b7 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -696,7 +696,8 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
 		   zone->pages_low,
 		   zone->pages_high,
 		   zone->pages_scanned,
-		   zone->nr_scan_active, zone->nr_scan_inactive,
+		   zone->lru[LRU_ACTIVE].nr_scan,
+		   zone->lru[LRU_INACTIVE].nr_scan,
 		   zone->spanned_pages,
 		   zone->present_pages);
 
-- 
GitLab


From f04e9ebbe4909f9a41efd55149bc353299f4e83b Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:26:19 -0700
Subject: [PATCH 1351/2224] swap: use an array for the LRU pagevecs

Turn the pagevecs into an array just like the LRUs.  This significantly
cleans up the source code and reduces the size of the kernel by about 13kB
after all the LRU lists have been created further down in the split VM
patch series.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/pagevec.h | 13 +++++--
 include/linux/swap.h    | 18 ++++++++--
 mm/migrate.c            | 11 +-----
 mm/swap.c               | 79 ++++++++++++++---------------------------
 4 files changed, 55 insertions(+), 66 deletions(-)

diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 8eb7fa76c1d..6b8f11bcc94 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -23,8 +23,7 @@ struct pagevec {
 void __pagevec_release(struct pagevec *pvec);
 void __pagevec_release_nonlru(struct pagevec *pvec);
 void __pagevec_free(struct pagevec *pvec);
-void __pagevec_lru_add(struct pagevec *pvec);
-void __pagevec_lru_add_active(struct pagevec *pvec);
+void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru);
 void pagevec_strip(struct pagevec *pvec);
 unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
 		pgoff_t start, unsigned nr_pages);
@@ -81,6 +80,16 @@ static inline void pagevec_free(struct pagevec *pvec)
 		__pagevec_free(pvec);
 }
 
+static inline void __pagevec_lru_add(struct pagevec *pvec)
+{
+	____pagevec_lru_add(pvec, LRU_INACTIVE);
+}
+
+static inline void __pagevec_lru_add_active(struct pagevec *pvec)
+{
+	____pagevec_lru_add(pvec, LRU_ACTIVE);
+}
+
 static inline void pagevec_lru_add(struct pagevec *pvec)
 {
 	if (pagevec_count(pvec))
diff --git a/include/linux/swap.h b/include/linux/swap.h
index de40f169a4e..fcc169610d0 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -171,8 +171,8 @@ extern unsigned int nr_free_pagecache_pages(void);
 
 
 /* linux/mm/swap.c */
-extern void lru_cache_add(struct page *);
-extern void lru_cache_add_active(struct page *);
+extern void __lru_cache_add(struct page *, enum lru_list lru);
+extern void lru_cache_add_lru(struct page *, enum lru_list lru);
 extern void activate_page(struct page *);
 extern void mark_page_accessed(struct page *);
 extern void lru_add_drain(void);
@@ -180,6 +180,20 @@ extern int lru_add_drain_all(void);
 extern void rotate_reclaimable_page(struct page *page);
 extern void swap_setup(void);
 
+/**
+ * lru_cache_add: add a page to the page lists
+ * @page: the page to add
+ */
+static inline void lru_cache_add(struct page *page)
+{
+	__lru_cache_add(page, LRU_INACTIVE);
+}
+
+static inline void lru_cache_add_active(struct page *page)
+{
+	__lru_cache_add(page, LRU_ACTIVE);
+}
+
 /* linux/mm/vmscan.c */
 extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask);
diff --git a/mm/migrate.c b/mm/migrate.c
index da73742e52a..ad15b5ef259 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -55,16 +55,7 @@ int migrate_prep(void)
 
 static inline void move_to_lru(struct page *page)
 {
-	if (PageActive(page)) {
-		/*
-		 * lru_cache_add_active checks that
-		 * the PG_active bit is off.
-		 */
-		ClearPageActive(page);
-		lru_cache_add_active(page);
-	} else {
-		lru_cache_add(page);
-	}
+	lru_cache_add_lru(page, page_lru(page));
 	put_page(page);
 }
 
diff --git a/mm/swap.c b/mm/swap.c
index 82c2b3a76f9..e3045040dc3 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -34,8 +34,7 @@
 /* How many pages do we try to swap or page in/out together? */
 int page_cluster;
 
-static DEFINE_PER_CPU(struct pagevec, lru_add_pvecs);
-static DEFINE_PER_CPU(struct pagevec, lru_add_active_pvecs);
+static DEFINE_PER_CPU(struct pagevec[NR_LRU_LISTS], lru_add_pvecs);
 static DEFINE_PER_CPU(struct pagevec, lru_rotate_pvecs);
 
 /*
@@ -186,28 +185,29 @@ void mark_page_accessed(struct page *page)
 
 EXPORT_SYMBOL(mark_page_accessed);
 
-/**
- * lru_cache_add: add a page to the page lists
- * @page: the page to add
- */
-void lru_cache_add(struct page *page)
+void __lru_cache_add(struct page *page, enum lru_list lru)
 {
-	struct pagevec *pvec = &get_cpu_var(lru_add_pvecs);
+	struct pagevec *pvec = &get_cpu_var(lru_add_pvecs)[lru];
 
 	page_cache_get(page);
 	if (!pagevec_add(pvec, page))
-		__pagevec_lru_add(pvec);
+		____pagevec_lru_add(pvec, lru);
 	put_cpu_var(lru_add_pvecs);
 }
 
-void lru_cache_add_active(struct page *page)
+/**
+ * lru_cache_add_lru - add a page to a page list
+ * @page: the page to be added to the LRU.
+ * @lru: the LRU list to which the page is added.
+ */
+void lru_cache_add_lru(struct page *page, enum lru_list lru)
 {
-	struct pagevec *pvec = &get_cpu_var(lru_add_active_pvecs);
+	if (PageActive(page)) {
+		ClearPageActive(page);
+	}
 
-	page_cache_get(page);
-	if (!pagevec_add(pvec, page))
-		__pagevec_lru_add_active(pvec);
-	put_cpu_var(lru_add_active_pvecs);
+	VM_BUG_ON(PageLRU(page) || PageActive(page));
+	__lru_cache_add(page, lru);
 }
 
 /*
@@ -217,15 +217,15 @@ void lru_cache_add_active(struct page *page)
  */
 static void drain_cpu_pagevecs(int cpu)
 {
+	struct pagevec *pvecs = per_cpu(lru_add_pvecs, cpu);
 	struct pagevec *pvec;
+	int lru;
 
-	pvec = &per_cpu(lru_add_pvecs, cpu);
-	if (pagevec_count(pvec))
-		__pagevec_lru_add(pvec);
-
-	pvec = &per_cpu(lru_add_active_pvecs, cpu);
-	if (pagevec_count(pvec))
-		__pagevec_lru_add_active(pvec);
+	for_each_lru(lru) {
+		pvec = &pvecs[lru - LRU_BASE];
+		if (pagevec_count(pvec))
+			____pagevec_lru_add(pvec, lru);
+	}
 
 	pvec = &per_cpu(lru_rotate_pvecs, cpu);
 	if (pagevec_count(pvec)) {
@@ -380,7 +380,7 @@ void __pagevec_release_nonlru(struct pagevec *pvec)
  * Add the passed pages to the LRU, then drop the caller's refcount
  * on them.  Reinitialises the caller's pagevec.
  */
-void __pagevec_lru_add(struct pagevec *pvec)
+void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru)
 {
 	int i;
 	struct zone *zone = NULL;
@@ -397,7 +397,9 @@ void __pagevec_lru_add(struct pagevec *pvec)
 		}
 		VM_BUG_ON(PageLRU(page));
 		SetPageLRU(page);
-		add_page_to_inactive_list(zone, page);
+		if (is_active_lru(lru))
+			SetPageActive(page);
+		add_page_to_lru_list(zone, page, lru);
 	}
 	if (zone)
 		spin_unlock_irq(&zone->lru_lock);
@@ -405,34 +407,7 @@ void __pagevec_lru_add(struct pagevec *pvec)
 	pagevec_reinit(pvec);
 }
 
-EXPORT_SYMBOL(__pagevec_lru_add);
-
-void __pagevec_lru_add_active(struct pagevec *pvec)
-{
-	int i;
-	struct zone *zone = NULL;
-
-	for (i = 0; i < pagevec_count(pvec); i++) {
-		struct page *page = pvec->pages[i];
-		struct zone *pagezone = page_zone(page);
-
-		if (pagezone != zone) {
-			if (zone)
-				spin_unlock_irq(&zone->lru_lock);
-			zone = pagezone;
-			spin_lock_irq(&zone->lru_lock);
-		}
-		VM_BUG_ON(PageLRU(page));
-		SetPageLRU(page);
-		VM_BUG_ON(PageActive(page));
-		SetPageActive(page);
-		add_page_to_active_list(zone, page);
-	}
-	if (zone)
-		spin_unlock_irq(&zone->lru_lock);
-	release_pages(pvec->pages, pvec->nr, pvec->cold);
-	pagevec_reinit(pvec);
-}
+EXPORT_SYMBOL(____pagevec_lru_add);
 
 /*
  * Try to drop buffers from the pages in a pagevec
-- 
GitLab


From 68a22394c286a2daf06ee8d65d8835f738faefa5 Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:23 -0700
Subject: [PATCH 1352/2224] vmscan: free swap space on swap-in/activation

If vm_swap_full() (swap space more than 50% full), the system will free
swap space at swapin time.  With this patch, the system will also free the
swap space in the pageout code, when we decide that the page is not a
candidate for swapout (and just wasting swap space).

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: MinChan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/pagevec.h |  1 +
 include/linux/swap.h    |  6 ++++++
 mm/swap.c               | 24 ++++++++++++++++++++++++
 mm/swapfile.c           | 25 ++++++++++++++++++++++---
 mm/vmscan.c             |  7 +++++++
 5 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 6b8f11bcc94..fea3a982ee5 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -25,6 +25,7 @@ void __pagevec_release_nonlru(struct pagevec *pvec);
 void __pagevec_free(struct pagevec *pvec);
 void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru);
 void pagevec_strip(struct pagevec *pvec);
+void pagevec_swap_free(struct pagevec *pvec);
 unsigned pagevec_lookup(struct pagevec *pvec, struct address_space *mapping,
 		pgoff_t start, unsigned nr_pages);
 unsigned pagevec_lookup_tag(struct pagevec *pvec,
diff --git a/include/linux/swap.h b/include/linux/swap.h
index fcc169610d0..833be56ad83 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -265,6 +265,7 @@ extern sector_t swapdev_block(int, pgoff_t);
 extern struct swap_info_struct *get_swap_info_struct(unsigned);
 extern int can_share_swap_page(struct page *);
 extern int remove_exclusive_swap_page(struct page *);
+extern int remove_exclusive_swap_page_ref(struct page *);
 struct backing_dev_info;
 
 /* linux/mm/thrash.c */
@@ -353,6 +354,11 @@ static inline int remove_exclusive_swap_page(struct page *p)
 	return 0;
 }
 
+static inline int remove_exclusive_swap_page_ref(struct page *page)
+{
+	return 0;
+}
+
 static inline swp_entry_t get_swap_page(void)
 {
 	swp_entry_t entry;
diff --git a/mm/swap.c b/mm/swap.c
index e3045040dc3..88a39487267 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -427,6 +427,30 @@ void pagevec_strip(struct pagevec *pvec)
 	}
 }
 
+/**
+ * pagevec_swap_free - try to free swap space from the pages in a pagevec
+ * @pvec: pagevec with swapcache pages to free the swap space of
+ *
+ * The caller needs to hold an extra reference to each page and
+ * not hold the page lock on the pages.  This function uses a
+ * trylock on the page lock so it may not always free the swap
+ * space associated with a page.
+ */
+void pagevec_swap_free(struct pagevec *pvec)
+{
+	int i;
+
+	for (i = 0; i < pagevec_count(pvec); i++) {
+		struct page *page = pvec->pages[i];
+
+		if (PageSwapCache(page) && trylock_page(page)) {
+			if (PageSwapCache(page))
+				remove_exclusive_swap_page_ref(page);
+			unlock_page(page);
+		}
+	}
+}
+
 /**
  * pagevec_lookup - gang pagecache lookup
  * @pvec:	Where the resulting pages are placed
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 1e330f2998f..2a97fafa3d8 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -344,7 +344,7 @@ int can_share_swap_page(struct page *page)
  * Work out if there are any other processes sharing this
  * swap cache page. Free it if you can. Return success.
  */
-int remove_exclusive_swap_page(struct page *page)
+static int remove_exclusive_swap_page_count(struct page *page, int count)
 {
 	int retval;
 	struct swap_info_struct * p;
@@ -357,7 +357,7 @@ int remove_exclusive_swap_page(struct page *page)
 		return 0;
 	if (PageWriteback(page))
 		return 0;
-	if (page_count(page) != 2) /* 2: us + cache */
+	if (page_count(page) != count) /* us + cache + ptes */
 		return 0;
 
 	entry.val = page_private(page);
@@ -370,7 +370,7 @@ int remove_exclusive_swap_page(struct page *page)
 	if (p->swap_map[swp_offset(entry)] == 1) {
 		/* Recheck the page count with the swapcache lock held.. */
 		spin_lock_irq(&swapper_space.tree_lock);
-		if ((page_count(page) == 2) && !PageWriteback(page)) {
+		if ((page_count(page) == count) && !PageWriteback(page)) {
 			__delete_from_swap_cache(page);
 			SetPageDirty(page);
 			retval = 1;
@@ -387,6 +387,25 @@ int remove_exclusive_swap_page(struct page *page)
 	return retval;
 }
 
+/*
+ * Most of the time the page should have two references: one for the
+ * process and one for the swap cache.
+ */
+int remove_exclusive_swap_page(struct page *page)
+{
+	return remove_exclusive_swap_page_count(page, 2);
+}
+
+/*
+ * The pageout code holds an extra reference to the page.  That raises
+ * the reference count to test for to 2 for a page that is only in the
+ * swap cache plus 1 for each process that maps the page.
+ */
+int remove_exclusive_swap_page_ref(struct page *page)
+{
+	return remove_exclusive_swap_page_count(page, 2 + page_mapcount(page));
+}
+
 /*
  * Free the swap entry like above, but also try to
  * free the page cache entry if it is the last user.
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 46fdaa546b8..e656035d340 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -647,6 +647,9 @@ free_it:
 		continue;
 
 activate_locked:
+		/* Not a candidate for swapping, so reclaim swap space. */
+		if (PageSwapCache(page) && vm_swap_full())
+			remove_exclusive_swap_page_ref(page);
 		SetPageActive(page);
 		pgactivate++;
 keep_locked:
@@ -1228,6 +1231,8 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 			__mod_zone_page_state(zone, NR_ACTIVE, pgmoved);
 			pgmoved = 0;
 			spin_unlock_irq(&zone->lru_lock);
+			if (vm_swap_full())
+				pagevec_swap_free(&pvec);
 			__pagevec_release(&pvec);
 			spin_lock_irq(&zone->lru_lock);
 		}
@@ -1237,6 +1242,8 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 	__count_zone_vm_events(PGREFILL, zone, pgscanned);
 	__count_vm_events(PGDEACTIVATE, pgdeactivate);
 	spin_unlock_irq(&zone->lru_lock);
+	if (vm_swap_full())
+		pagevec_swap_free(&pvec);
 
 	pagevec_release(&pvec);
 }
-- 
GitLab


From b2e185384f534781fd22f5ce170b2ad26f97df70 Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:30 -0700
Subject: [PATCH 1353/2224] define page_file_cache() function

Define page_file_cache() function to answer the question:
	is page backed by a file?

Originally part of Rik van Riel's split-lru patch.  Extracted to make
available for other, independent reclaim patches.

Moved inline function to linux/mm_inline.h where it will be needed by
subsequent "split LRU" and "noreclaim" patches.

Unfortunately this needs to use a page flag, since the PG_swapbacked state
needs to be preserved all the way to the point where the page is last
removed from the LRU.  Trying to derive the status from other info in the
page resulted in wrong VM statistics in earlier split VM patchsets.

The total number of page flags in use on a 32 bit machine after this patch
is 19.

[akpm@linux-foundation.org: fix up out-of-order merge fallout]
[hugh@veritas.com: splitlru: shmem_getpage SetPageSwapBacked sooner[
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: MinChan Kim <minchan.kim@gmail.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mm_inline.h  | 27 +++++++++++++++++++++++++++
 include/linux/page-flags.h |  8 ++++++--
 mm/memory.c                |  3 +++
 mm/migrate.c               |  2 ++
 mm/page_alloc.c            |  2 ++
 mm/shmem.c                 |  1 +
 mm/swap_state.c            |  3 +++
 7 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 2704729777e..96e970485b6 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -1,3 +1,28 @@
+#ifndef LINUX_MM_INLINE_H
+#define LINUX_MM_INLINE_H
+
+/**
+ * page_is_file_cache - should the page be on a file LRU or anon LRU?
+ * @page: the page to test
+ *
+ * Returns !0 if @page is page cache page backed by a regular filesystem,
+ * or 0 if @page is anonymous, tmpfs or otherwise ram or swap backed.
+ * Used by functions that manipulate the LRU lists, to sort a page
+ * onto the right LRU list.
+ *
+ * We would like to get this info without a page flag, but the state
+ * needs to survive until the page is last deleted from the LRU, which
+ * could be as far down as __page_cache_release.
+ */
+static inline int page_is_file_cache(struct page *page)
+{
+	if (PageSwapBacked(page))
+		return 0;
+
+	/* The page is page cache backed by a normal filesystem. */
+	return 1;
+}
+
 static inline void
 add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l)
 {
@@ -65,3 +90,5 @@ static inline enum lru_list page_lru(struct page *page)
 
 	return lru;
 }
+
+#endif
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index c74d3e87531..57b688cfb5e 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -93,6 +93,7 @@ enum pageflags {
 	PG_mappedtodisk,	/* Has blocks allocated on-disk */
 	PG_reclaim,		/* To be reclaimed asap */
 	PG_buddy,		/* Page is free, on buddy lists */
+	PG_swapbacked,		/* Page is backed by RAM/swap */
 #ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
 	PG_uncached,		/* Page has been mapped as uncached */
 #endif
@@ -176,6 +177,7 @@ PAGEFLAG(SavePinned, savepinned);			/* Xen */
 PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved)
 PAGEFLAG(Private, private) __CLEARPAGEFLAG(Private, private)
 	__SETPAGEFLAG(Private, private)
+PAGEFLAG(SwapBacked, swapbacked) __CLEARPAGEFLAG(SwapBacked, swapbacked)
 
 __PAGEFLAG(SlobPage, slob_page)
 __PAGEFLAG(SlobFree, slob_free)
@@ -334,7 +336,8 @@ static inline void __ClearPageTail(struct page *page)
  * Flags checked in bad_page().  Pages on the free list should not have
  * these flags set.  It they are, there is a problem.
  */
-#define PAGE_FLAGS_CLEAR_WHEN_BAD (PAGE_FLAGS | 1 << PG_reclaim | 1 << PG_dirty)
+#define PAGE_FLAGS_CLEAR_WHEN_BAD (PAGE_FLAGS | \
+		1 << PG_reclaim | 1 << PG_dirty | 1 << PG_swapbacked)
 
 /*
  * Flags checked when a page is freed.  Pages being freed should not have
@@ -347,7 +350,8 @@ static inline void __ClearPageTail(struct page *page)
  * Pages being prepped should not have these flags set.  It they are, there
  * is a problem.
  */
-#define PAGE_FLAGS_CHECK_AT_PREP (PAGE_FLAGS | 1 << PG_reserved | 1 << PG_dirty)
+#define PAGE_FLAGS_CHECK_AT_PREP (PAGE_FLAGS | \
+		1 << PG_reserved | 1 << PG_dirty | 1 << PG_swapbacked)
 
 #endif /* !__GENERATING_BOUNDS_H */
 #endif	/* PAGE_FLAGS_H */
diff --git a/mm/memory.c b/mm/memory.c
index 1002f473f49..7512933dcc1 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1888,6 +1888,7 @@ gotten:
 		ptep_clear_flush_notify(vma, address, page_table);
 		set_pte_at(mm, address, page_table, entry);
 		update_mmu_cache(vma, address, entry);
+		SetPageSwapBacked(new_page);
 		lru_cache_add_active(new_page);
 		page_add_new_anon_rmap(new_page, vma, address);
 
@@ -2382,6 +2383,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	if (!pte_none(*page_table))
 		goto release;
 	inc_mm_counter(mm, anon_rss);
+	SetPageSwapBacked(page);
 	lru_cache_add_active(page);
 	page_add_new_anon_rmap(page, vma, address);
 	set_pte_at(mm, address, page_table, entry);
@@ -2523,6 +2525,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 		set_pte_at(mm, address, page_table, entry);
 		if (anon) {
                         inc_mm_counter(mm, anon_rss);
+			SetPageSwapBacked(page);
                         lru_cache_add_active(page);
                         page_add_new_anon_rmap(page, vma, address);
 		} else {
diff --git a/mm/migrate.c b/mm/migrate.c
index ad15b5ef259..c0732748711 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -572,6 +572,8 @@ static int move_to_new_page(struct page *newpage, struct page *page)
 	/* Prepare mapping for the new page.*/
 	newpage->index = page->index;
 	newpage->mapping = page->mapping;
+	if (PageSwapBacked(page))
+		SetPageSwapBacked(newpage);
 
 	mapping = page_mapping(page);
 	if (!mapping)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ee7a96ef40d..2099904d6cc 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -462,6 +462,8 @@ static inline int free_pages_check(struct page *page)
 		bad_page(page);
 	if (PageDirty(page))
 		__ClearPageDirty(page);
+	if (PageSwapBacked(page))
+		__ClearPageSwapBacked(page);
 	/*
 	 * For now, we report if PG_reserved was found set, but do not
 	 * clear it, and do not free the page.  But we shall soon need
diff --git a/mm/shmem.c b/mm/shmem.c
index d87958a5f03..fd421ed703e 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1367,6 +1367,7 @@ repeat:
 				error = -ENOMEM;
 				goto failed;
 			}
+			SetPageSwapBacked(filepage);
 
 			/* Precharge page while we can wait, compensate after */
 			error = mem_cgroup_cache_charge(filepage, current->mm,
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 797c3831cbe..7a3ece0b5a3 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -75,6 +75,7 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry, gfp_t gfp_mask)
 	BUG_ON(!PageLocked(page));
 	BUG_ON(PageSwapCache(page));
 	BUG_ON(PagePrivate(page));
+	BUG_ON(!PageSwapBacked(page));
 	error = radix_tree_preload(gfp_mask);
 	if (!error) {
 		page_cache_get(page);
@@ -303,6 +304,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 		 * May fail (-ENOMEM) if radix-tree node allocation failed.
 		 */
 		set_page_locked(new_page);
+		SetPageSwapBacked(new_page);
 		err = add_to_swap_cache(new_page, entry, gfp_mask & GFP_KERNEL);
 		if (likely(!err)) {
 			/*
@@ -312,6 +314,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 			swap_readpage(NULL, new_page);
 			return new_page;
 		}
+		ClearPageSwapBacked(new_page);
 		clear_page_locked(new_page);
 		swap_free(entry);
 	} while (err != -ENOMEM);
-- 
GitLab


From 4f98a2fee8acdb4ac84545df98cccecfd130f8db Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:32 -0700
Subject: [PATCH 1354/2224] vmscan: split LRU lists into anon & file sets

Split the LRU lists in two, one set for pages that are backed by real file
systems ("file") and one for pages that are backed by memory and swap
("anon").  The latter includes tmpfs.

The advantage of doing this is that the VM will not have to scan over lots
of anonymous pages (which we generally do not want to swap out), just to
find the page cache pages that it should evict.

This patch has the infrastructure and a basic policy to balance how much
we scan the anon lists and how much we scan the file lists.  The big
policy changes are in separate patches.

[lee.schermerhorn@hp.com: collect lru meminfo statistics from correct offset]
[kosaki.motohiro@jp.fujitsu.com: prevent incorrect oom under split_lru]
[kosaki.motohiro@jp.fujitsu.com: fix pagevec_move_tail() doesn't treat unevictable page]
[hugh@veritas.com: memcg swapbacked pages active]
[hugh@veritas.com: splitlru: BDI_CAP_SWAP_BACKED]
[akpm@linux-foundation.org: fix /proc/vmstat units]
[nishimura@mxp.nes.nec.co.jp: memcg: fix handling of shmem migration]
[kosaki.motohiro@jp.fujitsu.com: adjust Quicklists field of /proc/meminfo]
[kosaki.motohiro@jp.fujitsu.com: fix style issue of get_scan_ratio()]
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/base/node.c         |  56 +++--
 fs/cifs/file.c              |   4 +-
 fs/nfs/dir.c                |   2 +-
 fs/ntfs/file.c              |   4 +-
 fs/proc/proc_misc.c         |  77 ++++---
 fs/ramfs/file-nommu.c       |   4 +-
 include/linux/backing-dev.h |  13 ++
 include/linux/memcontrol.h  |   2 +-
 include/linux/mm_inline.h   |  50 +++--
 include/linux/mmzone.h      |  47 +++-
 include/linux/pagevec.h     |  29 ++-
 include/linux/swap.h        |  20 +-
 include/linux/vmstat.h      |  10 +
 mm/filemap.c                |  22 +-
 mm/hugetlb.c                |  10 +-
 mm/memcontrol.c             |  88 ++++----
 mm/memory.c                 |   6 +-
 mm/page-writeback.c         |   8 +-
 mm/page_alloc.c             |  25 ++-
 mm/readahead.c              |   2 +-
 mm/shmem.c                  |   2 +-
 mm/swap.c                   |  14 +-
 mm/swap_state.c             |   4 +-
 mm/vmscan.c                 | 416 +++++++++++++++++++-----------------
 mm/vmstat.c                 |  14 +-
 25 files changed, 562 insertions(+), 367 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 5116b78c632..fc7e9bf0cdb 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -61,34 +61,44 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 	si_meminfo_node(&i, nid);
 
 	n = sprintf(buf, "\n"
-		       "Node %d MemTotal:     %8lu kB\n"
-		       "Node %d MemFree:      %8lu kB\n"
-		       "Node %d MemUsed:      %8lu kB\n"
-		       "Node %d Active:       %8lu kB\n"
-		       "Node %d Inactive:     %8lu kB\n"
+		       "Node %d MemTotal:       %8lu kB\n"
+		       "Node %d MemFree:        %8lu kB\n"
+		       "Node %d MemUsed:        %8lu kB\n"
+		       "Node %d Active:         %8lu kB\n"
+		       "Node %d Inactive:       %8lu kB\n"
+		       "Node %d Active(anon):   %8lu kB\n"
+		       "Node %d Inactive(anon): %8lu kB\n"
+		       "Node %d Active(file):   %8lu kB\n"
+		       "Node %d Inactive(file): %8lu kB\n"
 #ifdef CONFIG_HIGHMEM
-		       "Node %d HighTotal:    %8lu kB\n"
-		       "Node %d HighFree:     %8lu kB\n"
-		       "Node %d LowTotal:     %8lu kB\n"
-		       "Node %d LowFree:      %8lu kB\n"
+		       "Node %d HighTotal:      %8lu kB\n"
+		       "Node %d HighFree:       %8lu kB\n"
+		       "Node %d LowTotal:       %8lu kB\n"
+		       "Node %d LowFree:        %8lu kB\n"
 #endif
-		       "Node %d Dirty:        %8lu kB\n"
-		       "Node %d Writeback:    %8lu kB\n"
-		       "Node %d FilePages:    %8lu kB\n"
-		       "Node %d Mapped:       %8lu kB\n"
-		       "Node %d AnonPages:    %8lu kB\n"
-		       "Node %d PageTables:   %8lu kB\n"
-		       "Node %d NFS_Unstable: %8lu kB\n"
-		       "Node %d Bounce:       %8lu kB\n"
-		       "Node %d WritebackTmp: %8lu kB\n"
-		       "Node %d Slab:         %8lu kB\n"
-		       "Node %d SReclaimable: %8lu kB\n"
-		       "Node %d SUnreclaim:   %8lu kB\n",
+		       "Node %d Dirty:          %8lu kB\n"
+		       "Node %d Writeback:      %8lu kB\n"
+		       "Node %d FilePages:      %8lu kB\n"
+		       "Node %d Mapped:         %8lu kB\n"
+		       "Node %d AnonPages:      %8lu kB\n"
+		       "Node %d PageTables:     %8lu kB\n"
+		       "Node %d NFS_Unstable:   %8lu kB\n"
+		       "Node %d Bounce:         %8lu kB\n"
+		       "Node %d WritebackTmp:   %8lu kB\n"
+		       "Node %d Slab:           %8lu kB\n"
+		       "Node %d SReclaimable:   %8lu kB\n"
+		       "Node %d SUnreclaim:     %8lu kB\n",
 		       nid, K(i.totalram),
 		       nid, K(i.freeram),
 		       nid, K(i.totalram - i.freeram),
-		       nid, K(node_page_state(nid, NR_ACTIVE)),
-		       nid, K(node_page_state(nid, NR_INACTIVE)),
+		       nid, K(node_page_state(nid, NR_ACTIVE_ANON) +
+				node_page_state(nid, NR_ACTIVE_FILE)),
+		       nid, K(node_page_state(nid, NR_INACTIVE_ANON) +
+				node_page_state(nid, NR_INACTIVE_FILE)),
+		       nid, K(node_page_state(nid, NR_ACTIVE_ANON)),
+		       nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
+		       nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
+		       nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
 #ifdef CONFIG_HIGHMEM
 		       nid, K(i.totalhigh),
 		       nid, K(i.freehigh),
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index c4a8a060512..62d8bd8f14c 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1791,7 +1791,7 @@ static void cifs_copy_cache_pages(struct address_space *mapping,
 		SetPageUptodate(page);
 		unlock_page(page);
 		if (!pagevec_add(plru_pvec, page))
-			__pagevec_lru_add(plru_pvec);
+			__pagevec_lru_add_file(plru_pvec);
 		data += PAGE_CACHE_SIZE;
 	}
 	return;
@@ -1925,7 +1925,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
 		bytes_read = 0;
 	}
 
-	pagevec_lru_add(&lru_pvec);
+	pagevec_lru_add_file(&lru_pvec);
 
 /* need to free smb_read_data buf before exit */
 	if (smb_read_data) {
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 2ab70d46ecb..efdba2e802d 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1517,7 +1517,7 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym
 	if (!add_to_page_cache(page, dentry->d_inode->i_mapping, 0,
 							GFP_KERNEL)) {
 		pagevec_add(&lru_pvec, page);
-		pagevec_lru_add(&lru_pvec);
+		pagevec_lru_add_file(&lru_pvec);
 		SetPageUptodate(page);
 		unlock_page(page);
 	} else
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index d020866d423..3140a4429af 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -439,7 +439,7 @@ static inline int __ntfs_grab_cache_pages(struct address_space *mapping,
 			pages[nr] = *cached_page;
 			page_cache_get(*cached_page);
 			if (unlikely(!pagevec_add(lru_pvec, *cached_page)))
-				__pagevec_lru_add(lru_pvec);
+				__pagevec_lru_add_file(lru_pvec);
 			*cached_page = NULL;
 		}
 		index++;
@@ -2084,7 +2084,7 @@ err_out:
 						OSYNC_METADATA|OSYNC_DATA);
 		}
   	}
-	pagevec_lru_add(&lru_pvec);
+	pagevec_lru_add_file(&lru_pvec);
 	ntfs_debug("Done.  Returning %s (written 0x%lx, status %li).",
 			written ? "written" : "status", (unsigned long)written,
 			(long)status);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 59ea42e1ef0..b8edb286055 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -136,6 +136,8 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 	unsigned long allowed;
 	struct vmalloc_info vmi;
 	long cached;
+	unsigned long pages[NR_LRU_LISTS];
+	int lru;
 
 /*
  * display in kilobytes.
@@ -154,51 +156,62 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 
 	get_vmalloc_info(&vmi);
 
+	for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
+		pages[lru] = global_page_state(NR_LRU_BASE + lru);
+
 	/*
 	 * Tagged format, for easy grepping and expansion.
 	 */
 	len = sprintf(page,
-		"MemTotal:     %8lu kB\n"
-		"MemFree:      %8lu kB\n"
-		"Buffers:      %8lu kB\n"
-		"Cached:       %8lu kB\n"
-		"SwapCached:   %8lu kB\n"
-		"Active:       %8lu kB\n"
-		"Inactive:     %8lu kB\n"
+		"MemTotal:       %8lu kB\n"
+		"MemFree:        %8lu kB\n"
+		"Buffers:        %8lu kB\n"
+		"Cached:         %8lu kB\n"
+		"SwapCached:     %8lu kB\n"
+		"Active:         %8lu kB\n"
+		"Inactive:       %8lu kB\n"
+		"Active(anon):   %8lu kB\n"
+		"Inactive(anon): %8lu kB\n"
+		"Active(file):   %8lu kB\n"
+		"Inactive(file): %8lu kB\n"
 #ifdef CONFIG_HIGHMEM
-		"HighTotal:    %8lu kB\n"
-		"HighFree:     %8lu kB\n"
-		"LowTotal:     %8lu kB\n"
-		"LowFree:      %8lu kB\n"
+		"HighTotal:      %8lu kB\n"
+		"HighFree:       %8lu kB\n"
+		"LowTotal:       %8lu kB\n"
+		"LowFree:        %8lu kB\n"
 #endif
-		"SwapTotal:    %8lu kB\n"
-		"SwapFree:     %8lu kB\n"
-		"Dirty:        %8lu kB\n"
-		"Writeback:    %8lu kB\n"
-		"AnonPages:    %8lu kB\n"
-		"Mapped:       %8lu kB\n"
-		"Slab:         %8lu kB\n"
-		"SReclaimable: %8lu kB\n"
-		"SUnreclaim:   %8lu kB\n"
-		"PageTables:   %8lu kB\n"
+		"SwapTotal:      %8lu kB\n"
+		"SwapFree:       %8lu kB\n"
+		"Dirty:          %8lu kB\n"
+		"Writeback:      %8lu kB\n"
+		"AnonPages:      %8lu kB\n"
+		"Mapped:         %8lu kB\n"
+		"Slab:           %8lu kB\n"
+		"SReclaimable:   %8lu kB\n"
+		"SUnreclaim:     %8lu kB\n"
+		"PageTables:     %8lu kB\n"
 #ifdef CONFIG_QUICKLIST
-		"Quicklists:   %8lu kB\n"
+		"Quicklists:     %8lu kB\n"
 #endif
-		"NFS_Unstable: %8lu kB\n"
-		"Bounce:       %8lu kB\n"
-		"WritebackTmp: %8lu kB\n"
-		"CommitLimit:  %8lu kB\n"
-		"Committed_AS: %8lu kB\n"
-		"VmallocTotal: %8lu kB\n"
-		"VmallocUsed:  %8lu kB\n"
-		"VmallocChunk: %8lu kB\n",
+		"NFS_Unstable:   %8lu kB\n"
+		"Bounce:         %8lu kB\n"
+		"WritebackTmp:   %8lu kB\n"
+		"CommitLimit:    %8lu kB\n"
+		"Committed_AS:   %8lu kB\n"
+		"VmallocTotal:   %8lu kB\n"
+		"VmallocUsed:    %8lu kB\n"
+		"VmallocChunk:   %8lu kB\n",
 		K(i.totalram),
 		K(i.freeram),
 		K(i.bufferram),
 		K(cached),
 		K(total_swapcache_pages),
-		K(global_page_state(NR_ACTIVE)),
-		K(global_page_state(NR_INACTIVE)),
+		K(pages[LRU_ACTIVE_ANON]   + pages[LRU_ACTIVE_FILE]),
+		K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
+		K(pages[LRU_ACTIVE_ANON]),
+		K(pages[LRU_INACTIVE_ANON]),
+		K(pages[LRU_ACTIVE_FILE]),
+		K(pages[LRU_INACTIVE_FILE]),
 #ifdef CONFIG_HIGHMEM
 		K(i.totalhigh),
 		K(i.freehigh),
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 5145cb9125a..76acdbc3461 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -112,12 +112,12 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
 			goto add_error;
 
 		if (!pagevec_add(&lru_pvec, page))
-			__pagevec_lru_add(&lru_pvec);
+			__pagevec_lru_add_file(&lru_pvec);
 
 		unlock_page(page);
 	}
 
-	pagevec_lru_add(&lru_pvec);
+	pagevec_lru_add_file(&lru_pvec);
 	return 0;
 
  fsize_exceeded:
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 0a24d5550eb..bee52abb8a4 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -175,6 +175,8 @@ int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio);
  * BDI_CAP_READ_MAP:       Can be mapped for reading
  * BDI_CAP_WRITE_MAP:      Can be mapped for writing
  * BDI_CAP_EXEC_MAP:       Can be mapped for execution
+ *
+ * BDI_CAP_SWAP_BACKED:    Count shmem/tmpfs objects as swap-backed.
  */
 #define BDI_CAP_NO_ACCT_DIRTY	0x00000001
 #define BDI_CAP_NO_WRITEBACK	0x00000002
@@ -184,6 +186,7 @@ int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio);
 #define BDI_CAP_WRITE_MAP	0x00000020
 #define BDI_CAP_EXEC_MAP	0x00000040
 #define BDI_CAP_NO_ACCT_WB	0x00000080
+#define BDI_CAP_SWAP_BACKED	0x00000100
 
 #define BDI_CAP_VMFLAGS \
 	(BDI_CAP_READ_MAP | BDI_CAP_WRITE_MAP | BDI_CAP_EXEC_MAP)
@@ -248,6 +251,11 @@ static inline bool bdi_cap_account_writeback(struct backing_dev_info *bdi)
 				      BDI_CAP_NO_WRITEBACK));
 }
 
+static inline bool bdi_cap_swap_backed(struct backing_dev_info *bdi)
+{
+	return bdi->capabilities & BDI_CAP_SWAP_BACKED;
+}
+
 static inline bool mapping_cap_writeback_dirty(struct address_space *mapping)
 {
 	return bdi_cap_writeback_dirty(mapping->backing_dev_info);
@@ -258,4 +266,9 @@ static inline bool mapping_cap_account_dirty(struct address_space *mapping)
 	return bdi_cap_account_dirty(mapping->backing_dev_info);
 }
 
+static inline bool mapping_cap_swap_backed(struct address_space *mapping)
+{
+	return bdi_cap_swap_backed(mapping->backing_dev_info);
+}
+
 #endif		/* _LINUX_BACKING_DEV_H */
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index a6ac0d491fe..8d8f05c1515 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -44,7 +44,7 @@ extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 					unsigned long *scanned, int order,
 					int mode, struct zone *z,
 					struct mem_cgroup *mem_cont,
-					int active);
+					int active, int file);
 extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
 int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
 
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 96e970485b6..2eb599465d5 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -5,7 +5,7 @@
  * page_is_file_cache - should the page be on a file LRU or anon LRU?
  * @page: the page to test
  *
- * Returns !0 if @page is page cache page backed by a regular filesystem,
+ * Returns LRU_FILE if @page is page cache page backed by a regular filesystem,
  * or 0 if @page is anonymous, tmpfs or otherwise ram or swap backed.
  * Used by functions that manipulate the LRU lists, to sort a page
  * onto the right LRU list.
@@ -20,7 +20,7 @@ static inline int page_is_file_cache(struct page *page)
 		return 0;
 
 	/* The page is page cache backed by a normal filesystem. */
-	return 1;
+	return LRU_FILE;
 }
 
 static inline void
@@ -38,39 +38,64 @@ del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l)
 }
 
 static inline void
-add_page_to_active_list(struct zone *zone, struct page *page)
+add_page_to_inactive_anon_list(struct zone *zone, struct page *page)
 {
-	add_page_to_lru_list(zone, page, LRU_ACTIVE);
+	add_page_to_lru_list(zone, page, LRU_INACTIVE_ANON);
 }
 
 static inline void
-add_page_to_inactive_list(struct zone *zone, struct page *page)
+add_page_to_active_anon_list(struct zone *zone, struct page *page)
 {
-	add_page_to_lru_list(zone, page, LRU_INACTIVE);
+	add_page_to_lru_list(zone, page, LRU_ACTIVE_ANON);
 }
 
 static inline void
-del_page_from_active_list(struct zone *zone, struct page *page)
+add_page_to_inactive_file_list(struct zone *zone, struct page *page)
 {
-	del_page_from_lru_list(zone, page, LRU_ACTIVE);
+	add_page_to_lru_list(zone, page, LRU_INACTIVE_FILE);
 }
 
 static inline void
-del_page_from_inactive_list(struct zone *zone, struct page *page)
+add_page_to_active_file_list(struct zone *zone, struct page *page)
 {
-	del_page_from_lru_list(zone, page, LRU_INACTIVE);
+	add_page_to_lru_list(zone, page, LRU_ACTIVE_FILE);
+}
+
+static inline void
+del_page_from_inactive_anon_list(struct zone *zone, struct page *page)
+{
+	del_page_from_lru_list(zone, page, LRU_INACTIVE_ANON);
+}
+
+static inline void
+del_page_from_active_anon_list(struct zone *zone, struct page *page)
+{
+	del_page_from_lru_list(zone, page, LRU_ACTIVE_ANON);
+}
+
+static inline void
+del_page_from_inactive_file_list(struct zone *zone, struct page *page)
+{
+	del_page_from_lru_list(zone, page, LRU_INACTIVE_FILE);
+}
+
+static inline void
+del_page_from_active_file_list(struct zone *zone, struct page *page)
+{
+	del_page_from_lru_list(zone, page, LRU_INACTIVE_FILE);
 }
 
 static inline void
 del_page_from_lru(struct zone *zone, struct page *page)
 {
-	enum lru_list l = LRU_INACTIVE;
+	enum lru_list l = LRU_BASE;
 
 	list_del(&page->lru);
 	if (PageActive(page)) {
 		__ClearPageActive(page);
-		l = LRU_ACTIVE;
+		l += LRU_ACTIVE;
 	}
+	l += page_is_file_cache(page);
 	__dec_zone_state(zone, NR_LRU_BASE + l);
 }
 
@@ -87,6 +112,7 @@ static inline enum lru_list page_lru(struct page *page)
 
 	if (PageActive(page))
 		lru += LRU_ACTIVE;
+	lru += page_is_file_cache(page);
 
 	return lru;
 }
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 156e18f3919..59a4c8fd6eb 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -82,21 +82,23 @@ enum zone_stat_item {
 	/* First 128 byte cacheline (assuming 64 bit words) */
 	NR_FREE_PAGES,
 	NR_LRU_BASE,
-	NR_INACTIVE = NR_LRU_BASE, /* must match order of LRU_[IN]ACTIVE */
-	NR_ACTIVE,	/*  "     "     "   "       "         */
+	NR_INACTIVE_ANON = NR_LRU_BASE, /* must match order of LRU_[IN]ACTIVE */
+	NR_ACTIVE_ANON,		/*  "     "     "   "       "         */
+	NR_INACTIVE_FILE,	/*  "     "     "   "       "         */
+	NR_ACTIVE_FILE,		/*  "     "     "   "       "         */
 	NR_ANON_PAGES,	/* Mapped anonymous pages */
 	NR_FILE_MAPPED,	/* pagecache pages mapped into pagetables.
 			   only modified from process context */
 	NR_FILE_PAGES,
 	NR_FILE_DIRTY,
 	NR_WRITEBACK,
-	/* Second 128 byte cacheline */
 	NR_SLAB_RECLAIMABLE,
 	NR_SLAB_UNRECLAIMABLE,
 	NR_PAGETABLE,		/* used for pagetables */
 	NR_UNSTABLE_NFS,	/* NFS unstable pages */
 	NR_BOUNCE,
 	NR_VMSCAN_WRITE,
+	/* Second 128 byte cacheline */
 	NR_WRITEBACK_TEMP,	/* Writeback using temporary buffers */
 #ifdef CONFIG_NUMA
 	NUMA_HIT,		/* allocated in intended node */
@@ -108,17 +110,36 @@ enum zone_stat_item {
 #endif
 	NR_VM_ZONE_STAT_ITEMS };
 
+/*
+ * We do arithmetic on the LRU lists in various places in the code,
+ * so it is important to keep the active lists LRU_ACTIVE higher in
+ * the array than the corresponding inactive lists, and to keep
+ * the *_FILE lists LRU_FILE higher than the corresponding _ANON lists.
+ *
+ * This has to be kept in sync with the statistics in zone_stat_item
+ * above and the descriptions in vmstat_text in mm/vmstat.c
+ */
+#define LRU_BASE 0
+#define LRU_ACTIVE 1
+#define LRU_FILE 2
+
 enum lru_list {
-	LRU_BASE,
-	LRU_INACTIVE=LRU_BASE,	/* must match order of NR_[IN]ACTIVE */
-	LRU_ACTIVE,		/*  "     "     "   "       "        */
+	LRU_INACTIVE_ANON = LRU_BASE,
+	LRU_ACTIVE_ANON = LRU_BASE + LRU_ACTIVE,
+	LRU_INACTIVE_FILE = LRU_BASE + LRU_FILE,
+	LRU_ACTIVE_FILE = LRU_BASE + LRU_FILE + LRU_ACTIVE,
 	NR_LRU_LISTS };
 
 #define for_each_lru(l) for (l = 0; l < NR_LRU_LISTS; l++)
 
+static inline int is_file_lru(enum lru_list l)
+{
+	return (l == LRU_INACTIVE_FILE || l == LRU_ACTIVE_FILE);
+}
+
 static inline int is_active_lru(enum lru_list l)
 {
-	return (l == LRU_ACTIVE);
+	return (l == LRU_ACTIVE_ANON || l == LRU_ACTIVE_FILE);
 }
 
 struct per_cpu_pages {
@@ -269,6 +290,18 @@ struct zone {
 		struct list_head list;
 		unsigned long nr_scan;
 	} lru[NR_LRU_LISTS];
+
+	/*
+	 * The pageout code in vmscan.c keeps track of how many of the
+	 * mem/swap backed and file backed pages are refeferenced.
+	 * The higher the rotated/scanned ratio, the more valuable
+	 * that cache is.
+	 *
+	 * The anon LRU stats live in [0], file LRU stats in [1]
+	 */
+	unsigned long		recent_rotated[2];
+	unsigned long		recent_scanned[2];
+
 	unsigned long		pages_scanned;	   /* since last reclaim */
 	unsigned long		flags;		   /* zone flags, see below */
 
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index fea3a982ee5..5fc96a4e760 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -81,20 +81,37 @@ static inline void pagevec_free(struct pagevec *pvec)
 		__pagevec_free(pvec);
 }
 
-static inline void __pagevec_lru_add(struct pagevec *pvec)
+static inline void __pagevec_lru_add_anon(struct pagevec *pvec)
 {
-	____pagevec_lru_add(pvec, LRU_INACTIVE);
+	____pagevec_lru_add(pvec, LRU_INACTIVE_ANON);
 }
 
-static inline void __pagevec_lru_add_active(struct pagevec *pvec)
+static inline void __pagevec_lru_add_active_anon(struct pagevec *pvec)
 {
-	____pagevec_lru_add(pvec, LRU_ACTIVE);
+	____pagevec_lru_add(pvec, LRU_ACTIVE_ANON);
 }
 
-static inline void pagevec_lru_add(struct pagevec *pvec)
+static inline void __pagevec_lru_add_file(struct pagevec *pvec)
+{
+	____pagevec_lru_add(pvec, LRU_INACTIVE_FILE);
+}
+
+static inline void __pagevec_lru_add_active_file(struct pagevec *pvec)
+{
+	____pagevec_lru_add(pvec, LRU_ACTIVE_FILE);
+}
+
+
+static inline void pagevec_lru_add_file(struct pagevec *pvec)
+{
+	if (pagevec_count(pvec))
+		__pagevec_lru_add_file(pvec);
+}
+
+static inline void pagevec_lru_add_anon(struct pagevec *pvec)
 {
 	if (pagevec_count(pvec))
-		__pagevec_lru_add(pvec);
+		__pagevec_lru_add_anon(pvec);
 }
 
 #endif /* _LINUX_PAGEVEC_H */
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 833be56ad83..7d09d79997a 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -184,14 +184,24 @@ extern void swap_setup(void);
  * lru_cache_add: add a page to the page lists
  * @page: the page to add
  */
-static inline void lru_cache_add(struct page *page)
+static inline void lru_cache_add_anon(struct page *page)
 {
-	__lru_cache_add(page, LRU_INACTIVE);
+	__lru_cache_add(page, LRU_INACTIVE_ANON);
 }
 
-static inline void lru_cache_add_active(struct page *page)
+static inline void lru_cache_add_active_anon(struct page *page)
 {
-	__lru_cache_add(page, LRU_ACTIVE);
+	__lru_cache_add(page, LRU_ACTIVE_ANON);
+}
+
+static inline void lru_cache_add_file(struct page *page)
+{
+	__lru_cache_add(page, LRU_INACTIVE_FILE);
+}
+
+static inline void lru_cache_add_active_file(struct page *page)
+{
+	__lru_cache_add(page, LRU_ACTIVE_FILE);
 }
 
 /* linux/mm/vmscan.c */
@@ -199,7 +209,7 @@ extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
 					gfp_t gfp_mask);
 extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
 							gfp_t gfp_mask);
-extern int __isolate_lru_page(struct page *page, int mode);
+extern int __isolate_lru_page(struct page *page, int mode, int file);
 extern unsigned long shrink_all_memory(unsigned long nr_pages);
 extern int vm_swappiness;
 extern int remove_mapping(struct address_space *mapping, struct page *page);
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 58334d43951..ff5179f2b15 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -159,6 +159,16 @@ static inline unsigned long zone_page_state(struct zone *zone,
 	return x;
 }
 
+extern unsigned long global_lru_pages(void);
+
+static inline unsigned long zone_lru_pages(struct zone *zone)
+{
+	return (zone_page_state(zone, NR_ACTIVE_ANON)
+		+ zone_page_state(zone, NR_ACTIVE_FILE)
+		+ zone_page_state(zone, NR_INACTIVE_ANON)
+		+ zone_page_state(zone, NR_INACTIVE_FILE));
+}
+
 #ifdef CONFIG_NUMA
 /*
  * Determine the per node value of a stat item. This function
diff --git a/mm/filemap.c b/mm/filemap.c
index 903bf316912..a1ddd2557af 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -33,6 +33,7 @@
 #include <linux/cpuset.h>
 #include <linux/hardirq.h> /* for BUG_ON(!in_atomic()) only */
 #include <linux/memcontrol.h>
+#include <linux/mm_inline.h> /* for page_is_file_cache() */
 #include "internal.h"
 
 /*
@@ -492,9 +493,24 @@ EXPORT_SYMBOL(add_to_page_cache_locked);
 int add_to_page_cache_lru(struct page *page, struct address_space *mapping,
 				pgoff_t offset, gfp_t gfp_mask)
 {
-	int ret = add_to_page_cache(page, mapping, offset, gfp_mask);
-	if (ret == 0)
-		lru_cache_add(page);
+	int ret;
+
+	/*
+	 * Splice_read and readahead add shmem/tmpfs pages into the page cache
+	 * before shmem_readpage has a chance to mark them as SwapBacked: they
+	 * need to go on the active_anon lru below, and mem_cgroup_cache_charge
+	 * (called in add_to_page_cache) needs to know where they're going too.
+	 */
+	if (mapping_cap_swap_backed(mapping))
+		SetPageSwapBacked(page);
+
+	ret = add_to_page_cache(page, mapping, offset, gfp_mask);
+	if (ret == 0) {
+		if (page_is_file_cache(page))
+			lru_cache_add_file(page);
+		else
+			lru_cache_add_active_anon(page);
+	}
 	return ret;
 }
 
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 38633864a93..2fc7fddd9b1 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1459,11 +1459,11 @@ int hugetlb_report_meminfo(char *buf)
 {
 	struct hstate *h = &default_hstate;
 	return sprintf(buf,
-			"HugePages_Total: %5lu\n"
-			"HugePages_Free:  %5lu\n"
-			"HugePages_Rsvd:  %5lu\n"
-			"HugePages_Surp:  %5lu\n"
-			"Hugepagesize:    %5lu kB\n",
+			"HugePages_Total:   %5lu\n"
+			"HugePages_Free:    %5lu\n"
+			"HugePages_Rsvd:    %5lu\n"
+			"HugePages_Surp:    %5lu\n"
+			"Hugepagesize:   %8lu kB\n",
 			h->nr_huge_pages,
 			h->free_huge_pages,
 			h->resv_huge_pages,
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c0cbd7790c5..27e9e75f4ea 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -162,6 +162,7 @@ struct page_cgroup {
 };
 #define PAGE_CGROUP_FLAG_CACHE	(0x1)	/* charged as cache */
 #define PAGE_CGROUP_FLAG_ACTIVE (0x2)	/* page is active in this cgroup */
+#define PAGE_CGROUP_FLAG_FILE	(0x4)	/* page is file system backed */
 
 static int page_cgroup_nid(struct page_cgroup *pc)
 {
@@ -177,6 +178,7 @@ enum charge_type {
 	MEM_CGROUP_CHARGE_TYPE_CACHE = 0,
 	MEM_CGROUP_CHARGE_TYPE_MAPPED,
 	MEM_CGROUP_CHARGE_TYPE_FORCE,	/* used by force_empty */
+	MEM_CGROUP_CHARGE_TYPE_SHMEM,	/* used by page migration of shmem */
 };
 
 /*
@@ -288,8 +290,12 @@ static void unlock_page_cgroup(struct page *page)
 static void __mem_cgroup_remove_list(struct mem_cgroup_per_zone *mz,
 			struct page_cgroup *pc)
 {
-	int from = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
-	int lru = !!from;
+	int lru = LRU_BASE;
+
+	if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
+		lru += LRU_ACTIVE;
+	if (pc->flags & PAGE_CGROUP_FLAG_FILE)
+		lru += LRU_FILE;
 
 	MEM_CGROUP_ZSTAT(mz, lru) -= 1;
 
@@ -300,10 +306,12 @@ static void __mem_cgroup_remove_list(struct mem_cgroup_per_zone *mz,
 static void __mem_cgroup_add_list(struct mem_cgroup_per_zone *mz,
 				struct page_cgroup *pc)
 {
-	int lru = LRU_INACTIVE;
+	int lru = LRU_BASE;
 
 	if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
 		lru += LRU_ACTIVE;
+	if (pc->flags & PAGE_CGROUP_FLAG_FILE)
+		lru += LRU_FILE;
 
 	MEM_CGROUP_ZSTAT(mz, lru) += 1;
 	list_add(&pc->lru, &mz->lists[lru]);
@@ -314,10 +322,9 @@ static void __mem_cgroup_add_list(struct mem_cgroup_per_zone *mz,
 static void __mem_cgroup_move_lists(struct page_cgroup *pc, bool active)
 {
 	struct mem_cgroup_per_zone *mz = page_cgroup_zoneinfo(pc);
-	int lru = LRU_INACTIVE;
-
-	if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
-		lru += LRU_ACTIVE;
+	int from = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
+	int file = pc->flags & PAGE_CGROUP_FLAG_FILE;
+	int lru = LRU_FILE * !!file + !!from;
 
 	MEM_CGROUP_ZSTAT(mz, lru) -= 1;
 
@@ -326,7 +333,7 @@ static void __mem_cgroup_move_lists(struct page_cgroup *pc, bool active)
 	else
 		pc->flags &= ~PAGE_CGROUP_FLAG_ACTIVE;
 
-	lru = !!active;
+	lru = LRU_FILE * !!file + !!active;
 	MEM_CGROUP_ZSTAT(mz, lru) += 1;
 	list_move(&pc->lru, &mz->lists[lru]);
 }
@@ -390,21 +397,6 @@ int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem)
 	return (int)((rss * 100L) / total);
 }
 
-/*
- * This function is called from vmscan.c. In page reclaiming loop. balance
- * between active and inactive list is calculated. For memory controller
- * page reclaiming, we should use using mem_cgroup's imbalance rather than
- * zone's global lru imbalance.
- */
-long mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem)
-{
-	unsigned long active, inactive;
-	/* active and inactive are the number of pages. 'long' is ok.*/
-	active = mem_cgroup_get_all_zonestat(mem, LRU_ACTIVE);
-	inactive = mem_cgroup_get_all_zonestat(mem, LRU_INACTIVE);
-	return (long) (active / (inactive + 1));
-}
-
 /*
  * prev_priority control...this will be used in memory reclaim path.
  */
@@ -450,7 +442,7 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 					unsigned long *scanned, int order,
 					int mode, struct zone *z,
 					struct mem_cgroup *mem_cont,
-					int active)
+					int active, int file)
 {
 	unsigned long nr_taken = 0;
 	struct page *page;
@@ -461,7 +453,7 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 	int nid = z->zone_pgdat->node_id;
 	int zid = zone_idx(z);
 	struct mem_cgroup_per_zone *mz;
-	int lru = !!active;
+	int lru = LRU_FILE * !!file + !!active;
 
 	BUG_ON(!mem_cont);
 	mz = mem_cgroup_zoneinfo(mem_cont, nid, zid);
@@ -477,6 +469,9 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 		if (unlikely(!PageLRU(page)))
 			continue;
 
+		/*
+		 * TODO: play better with lumpy reclaim, grabbing anything.
+		 */
 		if (PageActive(page) && !active) {
 			__mem_cgroup_move_lists(pc, true);
 			continue;
@@ -489,7 +484,7 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 		scan++;
 		list_move(&pc->lru, &pc_list);
 
-		if (__isolate_lru_page(page, mode) == 0) {
+		if (__isolate_lru_page(page, mode, file) == 0) {
 			list_move(&page->lru, dst);
 			nr_taken++;
 		}
@@ -575,10 +570,16 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
 	 * If a page is accounted as a page cache, insert to inactive list.
 	 * If anon, insert to active list.
 	 */
-	if (ctype == MEM_CGROUP_CHARGE_TYPE_CACHE)
+	if (ctype == MEM_CGROUP_CHARGE_TYPE_CACHE) {
 		pc->flags = PAGE_CGROUP_FLAG_CACHE;
-	else
+		if (page_is_file_cache(page))
+			pc->flags |= PAGE_CGROUP_FLAG_FILE;
+		else
+			pc->flags |= PAGE_CGROUP_FLAG_ACTIVE;
+	} else if (ctype == MEM_CGROUP_CHARGE_TYPE_MAPPED)
 		pc->flags = PAGE_CGROUP_FLAG_ACTIVE;
+	else /* MEM_CGROUP_CHARGE_TYPE_SHMEM */
+		pc->flags = PAGE_CGROUP_FLAG_CACHE | PAGE_CGROUP_FLAG_ACTIVE;
 
 	lock_page_cgroup(page);
 	if (unlikely(page_get_page_cgroup(page))) {
@@ -737,8 +738,12 @@ int mem_cgroup_prepare_migration(struct page *page, struct page *newpage)
 	if (pc) {
 		mem = pc->mem_cgroup;
 		css_get(&mem->css);
-		if (pc->flags & PAGE_CGROUP_FLAG_CACHE)
-			ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
+		if (pc->flags & PAGE_CGROUP_FLAG_CACHE) {
+			if (page_is_file_cache(page))
+				ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
+			else
+				ctype = MEM_CGROUP_CHARGE_TYPE_SHMEM;
+		}
 	}
 	unlock_page_cgroup(page);
 	if (mem) {
@@ -982,14 +987,21 @@ static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft,
 	}
 	/* showing # of active pages */
 	{
-		unsigned long active, inactive;
-
-		inactive = mem_cgroup_get_all_zonestat(mem_cont,
-						LRU_INACTIVE);
-		active = mem_cgroup_get_all_zonestat(mem_cont,
-						LRU_ACTIVE);
-		cb->fill(cb, "active", (active) * PAGE_SIZE);
-		cb->fill(cb, "inactive", (inactive) * PAGE_SIZE);
+		unsigned long active_anon, inactive_anon;
+		unsigned long active_file, inactive_file;
+
+		inactive_anon = mem_cgroup_get_all_zonestat(mem_cont,
+						LRU_INACTIVE_ANON);
+		active_anon = mem_cgroup_get_all_zonestat(mem_cont,
+						LRU_ACTIVE_ANON);
+		inactive_file = mem_cgroup_get_all_zonestat(mem_cont,
+						LRU_INACTIVE_FILE);
+		active_file = mem_cgroup_get_all_zonestat(mem_cont,
+						LRU_ACTIVE_FILE);
+		cb->fill(cb, "active_anon", (active_anon) * PAGE_SIZE);
+		cb->fill(cb, "inactive_anon", (inactive_anon) * PAGE_SIZE);
+		cb->fill(cb, "active_file", (active_file) * PAGE_SIZE);
+		cb->fill(cb, "inactive_file", (inactive_file) * PAGE_SIZE);
 	}
 	return 0;
 }
diff --git a/mm/memory.c b/mm/memory.c
index 7512933dcc1..71cdefd1ef1 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1889,7 +1889,7 @@ gotten:
 		set_pte_at(mm, address, page_table, entry);
 		update_mmu_cache(vma, address, entry);
 		SetPageSwapBacked(new_page);
-		lru_cache_add_active(new_page);
+		lru_cache_add_active_anon(new_page);
 		page_add_new_anon_rmap(new_page, vma, address);
 
 		if (old_page) {
@@ -2384,7 +2384,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		goto release;
 	inc_mm_counter(mm, anon_rss);
 	SetPageSwapBacked(page);
-	lru_cache_add_active(page);
+	lru_cache_add_active_anon(page);
 	page_add_new_anon_rmap(page, vma, address);
 	set_pte_at(mm, address, page_table, entry);
 
@@ -2526,7 +2526,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 		if (anon) {
                         inc_mm_counter(mm, anon_rss);
 			SetPageSwapBacked(page);
-                        lru_cache_add_active(page);
+                        lru_cache_add_active_anon(page);
                         page_add_new_anon_rmap(page, vma, address);
 		} else {
 			inc_mm_counter(mm, file_rss);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index b40f6d5f8fe..2970e35fd03 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -329,9 +329,7 @@ static unsigned long highmem_dirtyable_memory(unsigned long total)
 		struct zone *z =
 			&NODE_DATA(node)->node_zones[ZONE_HIGHMEM];
 
-		x += zone_page_state(z, NR_FREE_PAGES)
-			+ zone_page_state(z, NR_INACTIVE)
-			+ zone_page_state(z, NR_ACTIVE);
+		x += zone_page_state(z, NR_FREE_PAGES) + zone_lru_pages(z);
 	}
 	/*
 	 * Make sure that the number of highmem pages is never larger
@@ -355,9 +353,7 @@ unsigned long determine_dirtyable_memory(void)
 {
 	unsigned long x;
 
-	x = global_page_state(NR_FREE_PAGES)
-		+ global_page_state(NR_INACTIVE)
-		+ global_page_state(NR_ACTIVE);
+	x = global_page_state(NR_FREE_PAGES) + global_lru_pages();
 
 	if (!vm_highmem_is_dirtyable)
 		x -= highmem_dirtyable_memory(x);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2099904d6cc..740a16a32c2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1864,10 +1864,13 @@ void show_free_areas(void)
 		}
 	}
 
-	printk("Active:%lu inactive:%lu dirty:%lu writeback:%lu unstable:%lu\n"
+	printk("Active_anon:%lu active_file:%lu inactive_anon%lu\n"
+		" inactive_file:%lu dirty:%lu writeback:%lu unstable:%lu\n"
 		" free:%lu slab:%lu mapped:%lu pagetables:%lu bounce:%lu\n",
-		global_page_state(NR_ACTIVE),
-		global_page_state(NR_INACTIVE),
+		global_page_state(NR_ACTIVE_ANON),
+		global_page_state(NR_ACTIVE_FILE),
+		global_page_state(NR_INACTIVE_ANON),
+		global_page_state(NR_INACTIVE_FILE),
 		global_page_state(NR_FILE_DIRTY),
 		global_page_state(NR_WRITEBACK),
 		global_page_state(NR_UNSTABLE_NFS),
@@ -1890,8 +1893,10 @@ void show_free_areas(void)
 			" min:%lukB"
 			" low:%lukB"
 			" high:%lukB"
-			" active:%lukB"
-			" inactive:%lukB"
+			" active_anon:%lukB"
+			" inactive_anon:%lukB"
+			" active_file:%lukB"
+			" inactive_file:%lukB"
 			" present:%lukB"
 			" pages_scanned:%lu"
 			" all_unreclaimable? %s"
@@ -1901,8 +1906,10 @@ void show_free_areas(void)
 			K(zone->pages_min),
 			K(zone->pages_low),
 			K(zone->pages_high),
-			K(zone_page_state(zone, NR_ACTIVE)),
-			K(zone_page_state(zone, NR_INACTIVE)),
+			K(zone_page_state(zone, NR_ACTIVE_ANON)),
+			K(zone_page_state(zone, NR_INACTIVE_ANON)),
+			K(zone_page_state(zone, NR_ACTIVE_FILE)),
+			K(zone_page_state(zone, NR_INACTIVE_FILE)),
 			K(zone->present_pages),
 			zone->pages_scanned,
 			(zone_is_all_unreclaimable(zone) ? "yes" : "no")
@@ -3472,6 +3479,10 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
 			INIT_LIST_HEAD(&zone->lru[l].list);
 			zone->lru[l].nr_scan = 0;
 		}
+		zone->recent_rotated[0] = 0;
+		zone->recent_rotated[1] = 0;
+		zone->recent_scanned[0] = 0;
+		zone->recent_scanned[1] = 0;
 		zap_zone_vm_stats(zone);
 		zone->flags = 0;
 		if (!size)
diff --git a/mm/readahead.c b/mm/readahead.c
index 6cbd9a72fde..bec83c15a78 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -229,7 +229,7 @@ int do_page_cache_readahead(struct address_space *mapping, struct file *filp,
  */
 unsigned long max_sane_readahead(unsigned long nr)
 {
-	return min(nr, (node_page_state(numa_node_id(), NR_INACTIVE)
+	return min(nr, (node_page_state(numa_node_id(), NR_INACTIVE_FILE)
 		+ node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);
 }
 
diff --git a/mm/shmem.c b/mm/shmem.c
index fd421ed703e..fc2ccf79a77 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -199,7 +199,7 @@ static struct vm_operations_struct shmem_vm_ops;
 
 static struct backing_dev_info shmem_backing_dev_info  __read_mostly = {
 	.ra_pages	= 0,	/* No readahead */
-	.capabilities	= BDI_CAP_NO_ACCT_AND_WRITEBACK,
+	.capabilities	= BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_SWAP_BACKED,
 	.unplug_io_fn	= default_unplug_io_fn,
 };
 
diff --git a/mm/swap.c b/mm/swap.c
index 88a39487267..0b1974a0897 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -116,7 +116,8 @@ static void pagevec_move_tail(struct pagevec *pvec)
 			spin_lock(&zone->lru_lock);
 		}
 		if (PageLRU(page) && !PageActive(page)) {
-			list_move_tail(&page->lru, &zone->lru[LRU_INACTIVE].list);
+			int lru = page_is_file_cache(page);
+			list_move_tail(&page->lru, &zone->lru[lru].list);
 			pgmoved++;
 		}
 	}
@@ -157,11 +158,18 @@ void activate_page(struct page *page)
 
 	spin_lock_irq(&zone->lru_lock);
 	if (PageLRU(page) && !PageActive(page)) {
-		del_page_from_inactive_list(zone, page);
+		int file = page_is_file_cache(page);
+		int lru = LRU_BASE + file;
+		del_page_from_lru_list(zone, page, lru);
+
 		SetPageActive(page);
-		add_page_to_active_list(zone, page);
+		lru += LRU_ACTIVE;
+		add_page_to_lru_list(zone, page, lru);
 		__count_vm_event(PGACTIVATE);
 		mem_cgroup_move_lists(page, true);
+
+		zone->recent_rotated[!!file]++;
+		zone->recent_scanned[!!file]++;
 	}
 	spin_unlock_irq(&zone->lru_lock);
 }
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 7a3ece0b5a3..ea62084ed40 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -33,7 +33,7 @@ static const struct address_space_operations swap_aops = {
 };
 
 static struct backing_dev_info swap_backing_dev_info = {
-	.capabilities	= BDI_CAP_NO_ACCT_AND_WRITEBACK,
+	.capabilities	= BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_SWAP_BACKED,
 	.unplug_io_fn	= swap_unplug_io_fn,
 };
 
@@ -310,7 +310,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 			/*
 			 * Initiate read into locked page and return.
 			 */
-			lru_cache_add_active(new_page);
+			lru_cache_add_active_anon(new_page);
 			swap_readpage(NULL, new_page);
 			return new_page;
 		}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index e656035d340..d10d2f9a33f 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -78,7 +78,7 @@ struct scan_control {
 	unsigned long (*isolate_pages)(unsigned long nr, struct list_head *dst,
 			unsigned long *scanned, int order, int mode,
 			struct zone *z, struct mem_cgroup *mem_cont,
-			int active);
+			int active, int file);
 };
 
 #define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru))
@@ -680,7 +680,7 @@ keep:
  *
  * returns 0 on success, -ve errno on failure.
  */
-int __isolate_lru_page(struct page *page, int mode)
+int __isolate_lru_page(struct page *page, int mode, int file)
 {
 	int ret = -EINVAL;
 
@@ -696,6 +696,9 @@ int __isolate_lru_page(struct page *page, int mode)
 	if (mode != ISOLATE_BOTH && (!PageActive(page) != !mode))
 		return ret;
 
+	if (mode != ISOLATE_BOTH && (!page_is_file_cache(page) != !file))
+		return ret;
+
 	ret = -EBUSY;
 	if (likely(get_page_unless_zero(page))) {
 		/*
@@ -726,12 +729,13 @@ int __isolate_lru_page(struct page *page, int mode)
  * @scanned:	The number of pages that were scanned.
  * @order:	The caller's attempted allocation order
  * @mode:	One of the LRU isolation modes
+ * @file:	True [1] if isolating file [!anon] pages
  *
  * returns how many pages were moved onto *@dst.
  */
 static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
 		struct list_head *src, struct list_head *dst,
-		unsigned long *scanned, int order, int mode)
+		unsigned long *scanned, int order, int mode, int file)
 {
 	unsigned long nr_taken = 0;
 	unsigned long scan;
@@ -748,7 +752,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
 
 		VM_BUG_ON(!PageLRU(page));
 
-		switch (__isolate_lru_page(page, mode)) {
+		switch (__isolate_lru_page(page, mode, file)) {
 		case 0:
 			list_move(&page->lru, dst);
 			nr_taken++;
@@ -791,10 +795,11 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
 				break;
 
 			cursor_page = pfn_to_page(pfn);
+
 			/* Check that we have not crossed a zone boundary. */
 			if (unlikely(page_zone_id(cursor_page) != zone_id))
 				continue;
-			switch (__isolate_lru_page(cursor_page, mode)) {
+			switch (__isolate_lru_page(cursor_page, mode, file)) {
 			case 0:
 				list_move(&cursor_page->lru, dst);
 				nr_taken++;
@@ -819,30 +824,37 @@ static unsigned long isolate_pages_global(unsigned long nr,
 					unsigned long *scanned, int order,
 					int mode, struct zone *z,
 					struct mem_cgroup *mem_cont,
-					int active)
+					int active, int file)
 {
+	int lru = LRU_BASE;
 	if (active)
-		return isolate_lru_pages(nr, &z->lru[LRU_ACTIVE].list, dst,
-						scanned, order, mode);
-	else
-		return isolate_lru_pages(nr, &z->lru[LRU_INACTIVE].list, dst,
-						scanned, order, mode);
+		lru += LRU_ACTIVE;
+	if (file)
+		lru += LRU_FILE;
+	return isolate_lru_pages(nr, &z->lru[lru].list, dst, scanned, order,
+								mode, !!file);
 }
 
 /*
  * clear_active_flags() is a helper for shrink_active_list(), clearing
  * any active bits from the pages in the list.
  */
-static unsigned long clear_active_flags(struct list_head *page_list)
+static unsigned long clear_active_flags(struct list_head *page_list,
+					unsigned int *count)
 {
 	int nr_active = 0;
+	int lru;
 	struct page *page;
 
-	list_for_each_entry(page, page_list, lru)
+	list_for_each_entry(page, page_list, lru) {
+		lru = page_is_file_cache(page);
 		if (PageActive(page)) {
+			lru += LRU_ACTIVE;
 			ClearPageActive(page);
 			nr_active++;
 		}
+		count[lru]++;
+	}
 
 	return nr_active;
 }
@@ -880,12 +892,12 @@ int isolate_lru_page(struct page *page)
 
 		spin_lock_irq(&zone->lru_lock);
 		if (PageLRU(page) && get_page_unless_zero(page)) {
+			int lru = LRU_BASE;
 			ret = 0;
 			ClearPageLRU(page);
-			if (PageActive(page))
-				del_page_from_active_list(zone, page);
-			else
-				del_page_from_inactive_list(zone, page);
+
+			lru += page_is_file_cache(page) + !!PageActive(page);
+			del_page_from_lru_list(zone, page, lru);
 		}
 		spin_unlock_irq(&zone->lru_lock);
 	}
@@ -897,7 +909,7 @@ int isolate_lru_page(struct page *page)
  * of reclaimed pages
  */
 static unsigned long shrink_inactive_list(unsigned long max_scan,
-				struct zone *zone, struct scan_control *sc)
+			struct zone *zone, struct scan_control *sc, int file)
 {
 	LIST_HEAD(page_list);
 	struct pagevec pvec;
@@ -914,20 +926,32 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 		unsigned long nr_scan;
 		unsigned long nr_freed;
 		unsigned long nr_active;
+		unsigned int count[NR_LRU_LISTS] = { 0, };
+		int mode = (sc->order > PAGE_ALLOC_COSTLY_ORDER) ?
+					ISOLATE_BOTH : ISOLATE_INACTIVE;
 
 		nr_taken = sc->isolate_pages(sc->swap_cluster_max,
-			     &page_list, &nr_scan, sc->order,
-			     (sc->order > PAGE_ALLOC_COSTLY_ORDER)?
-					     ISOLATE_BOTH : ISOLATE_INACTIVE,
-				zone, sc->mem_cgroup, 0);
-		nr_active = clear_active_flags(&page_list);
+			     &page_list, &nr_scan, sc->order, mode,
+				zone, sc->mem_cgroup, 0, file);
+		nr_active = clear_active_flags(&page_list, count);
 		__count_vm_events(PGDEACTIVATE, nr_active);
 
-		__mod_zone_page_state(zone, NR_ACTIVE, -nr_active);
-		__mod_zone_page_state(zone, NR_INACTIVE,
-						-(nr_taken - nr_active));
-		if (scan_global_lru(sc))
+		__mod_zone_page_state(zone, NR_ACTIVE_FILE,
+						-count[LRU_ACTIVE_FILE]);
+		__mod_zone_page_state(zone, NR_INACTIVE_FILE,
+						-count[LRU_INACTIVE_FILE]);
+		__mod_zone_page_state(zone, NR_ACTIVE_ANON,
+						-count[LRU_ACTIVE_ANON]);
+		__mod_zone_page_state(zone, NR_INACTIVE_ANON,
+						-count[LRU_INACTIVE_ANON]);
+
+		if (scan_global_lru(sc)) {
 			zone->pages_scanned += nr_scan;
+			zone->recent_scanned[0] += count[LRU_INACTIVE_ANON];
+			zone->recent_scanned[0] += count[LRU_ACTIVE_ANON];
+			zone->recent_scanned[1] += count[LRU_INACTIVE_FILE];
+			zone->recent_scanned[1] += count[LRU_ACTIVE_FILE];
+		}
 		spin_unlock_irq(&zone->lru_lock);
 
 		nr_scanned += nr_scan;
@@ -947,7 +971,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 			 * The attempt at page out may have made some
 			 * of the pages active, mark them inactive again.
 			 */
-			nr_active = clear_active_flags(&page_list);
+			nr_active = clear_active_flags(&page_list, count);
 			count_vm_events(PGDEACTIVATE, nr_active);
 
 			nr_freed += shrink_page_list(&page_list, sc,
@@ -977,6 +1001,10 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 			SetPageLRU(page);
 			list_del(&page->lru);
 			add_page_to_lru_list(zone, page, page_lru(page));
+			if (PageActive(page) && scan_global_lru(sc)) {
+				int file = !!page_is_file_cache(page);
+				zone->recent_rotated[file]++;
+			}
 			if (!pagevec_add(&pvec, page)) {
 				spin_unlock_irq(&zone->lru_lock);
 				__pagevec_release(&pvec);
@@ -1007,115 +1035,7 @@ static inline void note_zone_scanning_priority(struct zone *zone, int priority)
 
 static inline int zone_is_near_oom(struct zone *zone)
 {
-	return zone->pages_scanned >= (zone_page_state(zone, NR_ACTIVE)
-				+ zone_page_state(zone, NR_INACTIVE))*3;
-}
-
-/*
- * Determine we should try to reclaim mapped pages.
- * This is called only when sc->mem_cgroup is NULL.
- */
-static int calc_reclaim_mapped(struct scan_control *sc, struct zone *zone,
-				int priority)
-{
-	long mapped_ratio;
-	long distress;
-	long swap_tendency;
-	long imbalance;
-	int reclaim_mapped = 0;
-	int prev_priority;
-
-	if (scan_global_lru(sc) && zone_is_near_oom(zone))
-		return 1;
-	/*
-	 * `distress' is a measure of how much trouble we're having
-	 * reclaiming pages.  0 -> no problems.  100 -> great trouble.
-	 */
-	if (scan_global_lru(sc))
-		prev_priority = zone->prev_priority;
-	else
-		prev_priority = mem_cgroup_get_reclaim_priority(sc->mem_cgroup);
-
-	distress = 100 >> min(prev_priority, priority);
-
-	/*
-	 * The point of this algorithm is to decide when to start
-	 * reclaiming mapped memory instead of just pagecache.  Work out
-	 * how much memory
-	 * is mapped.
-	 */
-	if (scan_global_lru(sc))
-		mapped_ratio = ((global_page_state(NR_FILE_MAPPED) +
-				global_page_state(NR_ANON_PAGES)) * 100) /
-					vm_total_pages;
-	else
-		mapped_ratio = mem_cgroup_calc_mapped_ratio(sc->mem_cgroup);
-
-	/*
-	 * Now decide how much we really want to unmap some pages.  The
-	 * mapped ratio is downgraded - just because there's a lot of
-	 * mapped memory doesn't necessarily mean that page reclaim
-	 * isn't succeeding.
-	 *
-	 * The distress ratio is important - we don't want to start
-	 * going oom.
-	 *
-	 * A 100% value of vm_swappiness overrides this algorithm
-	 * altogether.
-	 */
-	swap_tendency = mapped_ratio / 2 + distress + sc->swappiness;
-
-	/*
-	 * If there's huge imbalance between active and inactive
-	 * (think active 100 times larger than inactive) we should
-	 * become more permissive, or the system will take too much
-	 * cpu before it start swapping during memory pressure.
-	 * Distress is about avoiding early-oom, this is about
-	 * making swappiness graceful despite setting it to low
-	 * values.
-	 *
-	 * Avoid div by zero with nr_inactive+1, and max resulting
-	 * value is vm_total_pages.
-	 */
-	if (scan_global_lru(sc)) {
-		imbalance  = zone_page_state(zone, NR_ACTIVE);
-		imbalance /= zone_page_state(zone, NR_INACTIVE) + 1;
-	} else
-		imbalance = mem_cgroup_reclaim_imbalance(sc->mem_cgroup);
-
-	/*
-	 * Reduce the effect of imbalance if swappiness is low,
-	 * this means for a swappiness very low, the imbalance
-	 * must be much higher than 100 for this logic to make
-	 * the difference.
-	 *
-	 * Max temporary value is vm_total_pages*100.
-	 */
-	imbalance *= (vm_swappiness + 1);
-	imbalance /= 100;
-
-	/*
-	 * If not much of the ram is mapped, makes the imbalance
-	 * less relevant, it's high priority we refill the inactive
-	 * list with mapped pages only in presence of high ratio of
-	 * mapped pages.
-	 *
-	 * Max temporary value is vm_total_pages*100.
-	 */
-	imbalance *= mapped_ratio;
-	imbalance /= 100;
-
-	/* apply imbalance feedback to swap_tendency */
-	swap_tendency += imbalance;
-
-	/*
-	 * Now use this metric to decide whether to start moving mapped
-	 * memory onto the inactive list.
-	 */
-	if (swap_tendency >= 100)
-		reclaim_mapped = 1;
-
-	return reclaim_mapped;
+	return zone->pages_scanned >= (zone_lru_pages(zone) * 3);
 }
 
 /*
@@ -1138,7 +1058,7 @@ static int calc_reclaim_mapped(struct scan_control *sc, struct zone *zone,
 
 
 static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
-				struct scan_control *sc, int priority)
+			struct scan_control *sc, int priority, int file)
 {
 	unsigned long pgmoved;
 	int pgdeactivate = 0;
@@ -1148,43 +1068,42 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 	LIST_HEAD(l_inactive);
 	struct page *page;
 	struct pagevec pvec;
-	int reclaim_mapped = 0;
-
-	if (sc->may_swap)
-		reclaim_mapped = calc_reclaim_mapped(sc, zone, priority);
+	enum lru_list lru;
 
 	lru_add_drain();
 	spin_lock_irq(&zone->lru_lock);
 	pgmoved = sc->isolate_pages(nr_pages, &l_hold, &pgscanned, sc->order,
 					ISOLATE_ACTIVE, zone,
-					sc->mem_cgroup, 1);
+					sc->mem_cgroup, 1, file);
 	/*
 	 * zone->pages_scanned is used for detect zone's oom
 	 * mem_cgroup remembers nr_scan by itself.
 	 */
-	if (scan_global_lru(sc))
+	if (scan_global_lru(sc)) {
 		zone->pages_scanned += pgscanned;
+		zone->recent_scanned[!!file] += pgmoved;
+	}
 
-	__mod_zone_page_state(zone, NR_ACTIVE, -pgmoved);
+	if (file)
+		__mod_zone_page_state(zone, NR_ACTIVE_FILE, -pgmoved);
+	else
+		__mod_zone_page_state(zone, NR_ACTIVE_ANON, -pgmoved);
 	spin_unlock_irq(&zone->lru_lock);
 
 	while (!list_empty(&l_hold)) {
 		cond_resched();
 		page = lru_to_page(&l_hold);
 		list_del(&page->lru);
-		if (page_mapped(page)) {
-			if (!reclaim_mapped ||
-			    (total_swap_pages == 0 && PageAnon(page)) ||
-			    page_referenced(page, 0, sc->mem_cgroup)) {
-				list_add(&page->lru, &l_active);
-				continue;
-			}
-		}
 		list_add(&page->lru, &l_inactive);
 	}
 
+	/*
+	 * Now put the pages back on the appropriate [file or anon] inactive
+	 * and active lists.
+	 */
 	pagevec_init(&pvec, 1);
 	pgmoved = 0;
+	lru = LRU_BASE + file * LRU_FILE;
 	spin_lock_irq(&zone->lru_lock);
 	while (!list_empty(&l_inactive)) {
 		page = lru_to_page(&l_inactive);
@@ -1194,11 +1113,11 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		VM_BUG_ON(!PageActive(page));
 		ClearPageActive(page);
 
-		list_move(&page->lru, &zone->lru[LRU_INACTIVE].list);
+		list_move(&page->lru, &zone->lru[lru].list);
 		mem_cgroup_move_lists(page, false);
 		pgmoved++;
 		if (!pagevec_add(&pvec, page)) {
-			__mod_zone_page_state(zone, NR_INACTIVE, pgmoved);
+			__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
 			spin_unlock_irq(&zone->lru_lock);
 			pgdeactivate += pgmoved;
 			pgmoved = 0;
@@ -1208,7 +1127,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 			spin_lock_irq(&zone->lru_lock);
 		}
 	}
-	__mod_zone_page_state(zone, NR_INACTIVE, pgmoved);
+	__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
 	pgdeactivate += pgmoved;
 	if (buffer_heads_over_limit) {
 		spin_unlock_irq(&zone->lru_lock);
@@ -1217,6 +1136,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 	}
 
 	pgmoved = 0;
+	lru = LRU_ACTIVE + file * LRU_FILE;
 	while (!list_empty(&l_active)) {
 		page = lru_to_page(&l_active);
 		prefetchw_prev_lru_page(page, &l_active, flags);
@@ -1224,11 +1144,11 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		SetPageLRU(page);
 		VM_BUG_ON(!PageActive(page));
 
-		list_move(&page->lru, &zone->lru[LRU_ACTIVE].list);
+		list_move(&page->lru, &zone->lru[lru].list);
 		mem_cgroup_move_lists(page, true);
 		pgmoved++;
 		if (!pagevec_add(&pvec, page)) {
-			__mod_zone_page_state(zone, NR_ACTIVE, pgmoved);
+			__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
 			pgmoved = 0;
 			spin_unlock_irq(&zone->lru_lock);
 			if (vm_swap_full())
@@ -1237,7 +1157,8 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 			spin_lock_irq(&zone->lru_lock);
 		}
 	}
-	__mod_zone_page_state(zone, NR_ACTIVE, pgmoved);
+	__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
+	zone->recent_rotated[!!file] += pgmoved;
 
 	__count_zone_vm_events(PGREFILL, zone, pgscanned);
 	__count_vm_events(PGDEACTIVATE, pgdeactivate);
@@ -1248,16 +1169,103 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 	pagevec_release(&pvec);
 }
 
-static unsigned long shrink_list(enum lru_list l, unsigned long nr_to_scan,
+static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
 	struct zone *zone, struct scan_control *sc, int priority)
 {
-	if (l == LRU_ACTIVE) {
-		shrink_active_list(nr_to_scan, zone, sc, priority);
+	int file = is_file_lru(lru);
+
+	if (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE) {
+		shrink_active_list(nr_to_scan, zone, sc, priority, file);
 		return 0;
 	}
-	return shrink_inactive_list(nr_to_scan, zone, sc);
+	return shrink_inactive_list(nr_to_scan, zone, sc, file);
+}
+
+/*
+ * Determine how aggressively the anon and file LRU lists should be
+ * scanned.  The relative value of each set of LRU lists is determined
+ * by looking at the fraction of the pages scanned we did rotate back
+ * onto the active list instead of evict.
+ *
+ * percent[0] specifies how much pressure to put on ram/swap backed
+ * memory, while percent[1] determines pressure on the file LRUs.
+ */
+static void get_scan_ratio(struct zone *zone, struct scan_control *sc,
+					unsigned long *percent)
+{
+	unsigned long anon, file, free;
+	unsigned long anon_prio, file_prio;
+	unsigned long ap, fp;
+
+	anon  = zone_page_state(zone, NR_ACTIVE_ANON) +
+		zone_page_state(zone, NR_INACTIVE_ANON);
+	file  = zone_page_state(zone, NR_ACTIVE_FILE) +
+		zone_page_state(zone, NR_INACTIVE_FILE);
+	free  = zone_page_state(zone, NR_FREE_PAGES);
+
+	/* If we have no swap space, do not bother scanning anon pages. */
+	if (nr_swap_pages <= 0) {
+		percent[0] = 0;
+		percent[1] = 100;
+		return;
+	}
+
+	/* If we have very few page cache pages, force-scan anon pages. */
+	if (unlikely(file + free <= zone->pages_high)) {
+		percent[0] = 100;
+		percent[1] = 0;
+		return;
+	}
+
+	/*
+	 * OK, so we have swap space and a fair amount of page cache
+	 * pages.  We use the recently rotated / recently scanned
+	 * ratios to determine how valuable each cache is.
+	 *
+	 * Because workloads change over time (and to avoid overflow)
+	 * we keep these statistics as a floating average, which ends
+	 * up weighing recent references more than old ones.
+	 *
+	 * anon in [0], file in [1]
+	 */
+	if (unlikely(zone->recent_scanned[0] > anon / 4)) {
+		spin_lock_irq(&zone->lru_lock);
+		zone->recent_scanned[0] /= 2;
+		zone->recent_rotated[0] /= 2;
+		spin_unlock_irq(&zone->lru_lock);
+	}
+
+	if (unlikely(zone->recent_scanned[1] > file / 4)) {
+		spin_lock_irq(&zone->lru_lock);
+		zone->recent_scanned[1] /= 2;
+		zone->recent_rotated[1] /= 2;
+		spin_unlock_irq(&zone->lru_lock);
+	}
+
+	/*
+	 * With swappiness at 100, anonymous and file have the same priority.
+	 * This scanning priority is essentially the inverse of IO cost.
+	 */
+	anon_prio = sc->swappiness;
+	file_prio = 200 - sc->swappiness;
+
+	/*
+	 *                  anon       recent_rotated[0]
+	 * %anon = 100 * ----------- / ----------------- * IO cost
+	 *               anon + file      rotate_sum
+	 */
+	ap = (anon_prio + 1) * (zone->recent_scanned[0] + 1);
+	ap /= zone->recent_rotated[0] + 1;
+
+	fp = (file_prio + 1) * (zone->recent_scanned[1] + 1);
+	fp /= zone->recent_rotated[1] + 1;
+
+	/* Normalize to percentages */
+	percent[0] = 100 * ap / (ap + fp + 1);
+	percent[1] = 100 - percent[0];
 }
 
+
 /*
  * This is a basic per-zone page freer.  Used by both kswapd and direct reclaim.
  */
@@ -1267,36 +1275,43 @@ static unsigned long shrink_zone(int priority, struct zone *zone,
 	unsigned long nr[NR_LRU_LISTS];
 	unsigned long nr_to_scan;
 	unsigned long nr_reclaimed = 0;
+	unsigned long percent[2];	/* anon @ 0; file @ 1 */
 	enum lru_list l;
 
-	if (scan_global_lru(sc)) {
-		/*
-		 * Add one to nr_to_scan just to make sure that the kernel
-		 * will slowly sift through the active list.
-		 */
-		for_each_lru(l) {
-			zone->lru[l].nr_scan += (zone_page_state(zone,
-					NR_LRU_BASE + l)  >> priority) + 1;
+	get_scan_ratio(zone, sc, percent);
+
+	for_each_lru(l) {
+		if (scan_global_lru(sc)) {
+			int file = is_file_lru(l);
+			int scan;
+			/*
+			 * Add one to nr_to_scan just to make sure that the
+			 * kernel will slowly sift through each list.
+			 */
+			scan = zone_page_state(zone, NR_LRU_BASE + l);
+			if (priority) {
+				scan >>= priority;
+				scan = (scan * percent[file]) / 100;
+			}
+			zone->lru[l].nr_scan += scan + 1;
 			nr[l] = zone->lru[l].nr_scan;
 			if (nr[l] >= sc->swap_cluster_max)
 				zone->lru[l].nr_scan = 0;
 			else
 				nr[l] = 0;
+		} else {
+			/*
+			 * This reclaim occurs not because zone memory shortage
+			 * but because memory controller hits its limit.
+			 * Don't modify zone reclaim related data.
+			 */
+			nr[l] = mem_cgroup_calc_reclaim(sc->mem_cgroup, zone,
+								priority, l);
 		}
-	} else {
-		/*
-		 * This reclaim occurs not because zone memory shortage but
-		 * because memory controller hits its limit.
-		 * Then, don't modify zone reclaim related data.
-		 */
-		nr[LRU_ACTIVE] = mem_cgroup_calc_reclaim(sc->mem_cgroup,
-					zone, priority, LRU_ACTIVE);
-
-		nr[LRU_INACTIVE] = mem_cgroup_calc_reclaim(sc->mem_cgroup,
-					zone, priority, LRU_INACTIVE);
 	}
 
-	while (nr[LRU_ACTIVE] || nr[LRU_INACTIVE]) {
+	while (nr[LRU_ACTIVE_ANON] || nr[LRU_INACTIVE_ANON] ||
+			nr[LRU_ACTIVE_FILE] || nr[LRU_INACTIVE_FILE]) {
 		for_each_lru(l) {
 			if (nr[l]) {
 				nr_to_scan = min(nr[l],
@@ -1369,7 +1384,7 @@ static unsigned long shrink_zones(int priority, struct zonelist *zonelist,
 
 	return nr_reclaimed;
 }
- 
+
 /*
  * This is the main entry point to direct page reclaim.
  *
@@ -1412,8 +1427,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
 			if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))
 				continue;
 
-			lru_pages += zone_page_state(zone, NR_ACTIVE)
-					+ zone_page_state(zone, NR_INACTIVE);
+			lru_pages += zone_lru_pages(zone);
 		}
 	}
 
@@ -1615,8 +1629,7 @@ loop_again:
 		for (i = 0; i <= end_zone; i++) {
 			struct zone *zone = pgdat->node_zones + i;
 
-			lru_pages += zone_page_state(zone, NR_ACTIVE)
-					+ zone_page_state(zone, NR_INACTIVE);
+			lru_pages += zone_lru_pages(zone);
 		}
 
 		/*
@@ -1660,8 +1673,7 @@ loop_again:
 			if (zone_is_all_unreclaimable(zone))
 				continue;
 			if (nr_slab == 0 && zone->pages_scanned >=
-				(zone_page_state(zone, NR_ACTIVE)
-				+ zone_page_state(zone, NR_INACTIVE)) * 6)
+						(zone_lru_pages(zone) * 6))
 					zone_set_flag(zone,
 						      ZONE_ALL_UNRECLAIMABLE);
 			/*
@@ -1715,7 +1727,7 @@ out:
 
 /*
  * The background pageout daemon, started as a kernel thread
- * from the init process. 
+ * from the init process.
  *
  * This basically trickles out pages so that we have _some_
  * free memory available even if there is no other activity
@@ -1809,6 +1821,14 @@ void wakeup_kswapd(struct zone *zone, int order)
 	wake_up_interruptible(&pgdat->kswapd_wait);
 }
 
+unsigned long global_lru_pages(void)
+{
+	return global_page_state(NR_ACTIVE_ANON)
+		+ global_page_state(NR_ACTIVE_FILE)
+		+ global_page_state(NR_INACTIVE_ANON)
+		+ global_page_state(NR_INACTIVE_FILE);
+}
+
 #ifdef CONFIG_PM
 /*
  * Helper function for shrink_all_memory().  Tries to reclaim 'nr_pages' pages
@@ -1834,7 +1854,8 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
 
 		for_each_lru(l) {
 			/* For pass = 0 we don't shrink the active list */
-			if (pass == 0 && l == LRU_ACTIVE)
+			if (pass == 0 &&
+				(l == LRU_ACTIVE || l == LRU_ACTIVE_FILE))
 				continue;
 
 			zone->lru[l].nr_scan +=
@@ -1856,11 +1877,6 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
 	return ret;
 }
 
-static unsigned long count_lru_pages(void)
-{
-	return global_page_state(NR_ACTIVE) + global_page_state(NR_INACTIVE);
-}
-
 /*
  * Try to free `nr_pages' of memory, system-wide, and return the number of
  * freed pages.
@@ -1886,7 +1902,7 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
 
 	current->reclaim_state = &reclaim_state;
 
-	lru_pages = count_lru_pages();
+	lru_pages = global_lru_pages();
 	nr_slab = global_page_state(NR_SLAB_RECLAIMABLE);
 	/* If slab caches are huge, it's better to hit them first */
 	while (nr_slab >= lru_pages) {
@@ -1929,7 +1945,7 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
 
 			reclaim_state.reclaimed_slab = 0;
 			shrink_slab(sc.nr_scanned, sc.gfp_mask,
-					count_lru_pages());
+					global_lru_pages());
 			ret += reclaim_state.reclaimed_slab;
 			if (ret >= nr_pages)
 				goto out;
@@ -1946,7 +1962,7 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
 	if (!ret) {
 		do {
 			reclaim_state.reclaimed_slab = 0;
-			shrink_slab(nr_pages, sc.gfp_mask, count_lru_pages());
+			shrink_slab(nr_pages, sc.gfp_mask, global_lru_pages());
 			ret += reclaim_state.reclaimed_slab;
 		} while (ret < nr_pages && reclaim_state.reclaimed_slab > 0);
 	}
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 52c0335c1b7..27400b7da7c 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -619,8 +619,10 @@ const struct seq_operations pagetypeinfo_op = {
 static const char * const vmstat_text[] = {
 	/* Zoned VM counters */
 	"nr_free_pages",
-	"nr_inactive",
-	"nr_active",
+	"nr_inactive_anon",
+	"nr_active_anon",
+	"nr_inactive_file",
+	"nr_active_file",
 	"nr_anon_pages",
 	"nr_mapped",
 	"nr_file_pages",
@@ -688,7 +690,7 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
 		   "\n        min      %lu"
 		   "\n        low      %lu"
 		   "\n        high     %lu"
-		   "\n        scanned  %lu (a: %lu i: %lu)"
+		   "\n        scanned  %lu (aa: %lu ia: %lu af: %lu if: %lu)"
 		   "\n        spanned  %lu"
 		   "\n        present  %lu",
 		   zone_page_state(zone, NR_FREE_PAGES),
@@ -696,8 +698,10 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
 		   zone->pages_low,
 		   zone->pages_high,
 		   zone->pages_scanned,
-		   zone->lru[LRU_ACTIVE].nr_scan,
-		   zone->lru[LRU_INACTIVE].nr_scan,
+		   zone->lru[LRU_ACTIVE_ANON].nr_scan,
+		   zone->lru[LRU_INACTIVE_ANON].nr_scan,
+		   zone->lru[LRU_ACTIVE_FILE].nr_scan,
+		   zone->lru[LRU_INACTIVE_FILE].nr_scan,
 		   zone->spanned_pages,
 		   zone->present_pages);
 
-- 
GitLab


From 556adecba110bf5f1db6c6b56416cfab5bcab698 Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:34 -0700
Subject: [PATCH 1355/2224] vmscan: second chance replacement for anonymous
 pages

We avoid evicting and scanning anonymous pages for the most part, but
under some workloads we can end up with most of memory filled with
anonymous pages.  At that point, we suddenly need to clear the referenced
bits on all of memory, which can take ages on very large memory systems.

We can reduce the maximum number of pages that need to be scanned by not
taking the referenced state into account when deactivating an anonymous
page.  After all, every anonymous page starts out referenced, so why
check?

If an anonymous page gets referenced again before it reaches the end of
the inactive list, we move it back to the active list.

To keep the maximum amount of necessary work reasonable, we scale the
active to inactive ratio with the size of memory, using the formula
active:inactive ratio = sqrt(memory in GB * 10).

Kswapd CPU use now seems to scale by the amount of pageout bandwidth,
instead of by the amount of memory present in the system.

[kamezawa.hiroyu@jp.fujitsu.com: fix OOM with memcg]
[kamezawa.hiroyu@jp.fujitsu.com: memcg: lru scan fix]
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mm_inline.h | 19 ++++++++++++++++++
 include/linux/mmzone.h    |  6 ++++++
 mm/page_alloc.c           | 41 +++++++++++++++++++++++++++++++++++++++
 mm/vmscan.c               | 38 ++++++++++++++++++++++++++++++++----
 mm/vmstat.c               |  6 ++++--
 5 files changed, 104 insertions(+), 6 deletions(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 2eb599465d5..f451fedd1e7 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -117,4 +117,23 @@ static inline enum lru_list page_lru(struct page *page)
 	return lru;
 }
 
+/**
+ * inactive_anon_is_low - check if anonymous pages need to be deactivated
+ * @zone: zone to check
+ *
+ * Returns true if the zone does not have enough inactive anon pages,
+ * meaning some active anon pages need to be deactivated.
+ */
+static inline int inactive_anon_is_low(struct zone *zone)
+{
+	unsigned long active, inactive;
+
+	active = zone_page_state(zone, NR_ACTIVE_ANON);
+	inactive = zone_page_state(zone, NR_INACTIVE_ANON);
+
+	if (inactive * zone->inactive_ratio < active)
+		return 1;
+
+	return 0;
+}
 #endif
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 59a4c8fd6eb..9c5111f49a3 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -323,6 +323,12 @@ struct zone {
 	 */
 	int prev_priority;
 
+	/*
+	 * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on
+	 * this zone's LRU.  Maintained by the pageout code.
+	 */
+	unsigned int inactive_ratio;
+
 
 	ZONE_PADDING(_pad2_)
 	/* Rarely used or read-mostly fields */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 740a16a32c2..79c0981b1d3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4263,6 +4263,46 @@ void setup_per_zone_pages_min(void)
 	calculate_totalreserve_pages();
 }
 
+/**
+ * setup_per_zone_inactive_ratio - called when min_free_kbytes changes.
+ *
+ * The inactive anon list should be small enough that the VM never has to
+ * do too much work, but large enough that each inactive page has a chance
+ * to be referenced again before it is swapped out.
+ *
+ * The inactive_anon ratio is the target ratio of ACTIVE_ANON to
+ * INACTIVE_ANON pages on this zone's LRU, maintained by the
+ * pageout code. A zone->inactive_ratio of 3 means 3:1 or 25% of
+ * the anonymous pages are kept on the inactive list.
+ *
+ * total     target    max
+ * memory    ratio     inactive anon
+ * -------------------------------------
+ *   10MB       1         5MB
+ *  100MB       1        50MB
+ *    1GB       3       250MB
+ *   10GB      10       0.9GB
+ *  100GB      31         3GB
+ *    1TB     101        10GB
+ *   10TB     320        32GB
+ */
+void setup_per_zone_inactive_ratio(void)
+{
+	struct zone *zone;
+
+	for_each_zone(zone) {
+		unsigned int gb, ratio;
+
+		/* Zone size in gigabytes */
+		gb = zone->present_pages >> (30 - PAGE_SHIFT);
+		ratio = int_sqrt(10 * gb);
+		if (!ratio)
+			ratio = 1;
+
+		zone->inactive_ratio = ratio;
+	}
+}
+
 /*
  * Initialise min_free_kbytes.
  *
@@ -4300,6 +4340,7 @@ static int __init init_per_zone_pages_min(void)
 		min_free_kbytes = 65536;
 	setup_per_zone_pages_min();
 	setup_per_zone_lowmem_reserve();
+	setup_per_zone_inactive_ratio();
 	return 0;
 }
 module_init(init_per_zone_pages_min)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index d10d2f9a33f..c82ee9a33cf 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1090,6 +1090,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		__mod_zone_page_state(zone, NR_ACTIVE_ANON, -pgmoved);
 	spin_unlock_irq(&zone->lru_lock);
 
+	pgmoved = 0;
 	while (!list_empty(&l_hold)) {
 		cond_resched();
 		page = lru_to_page(&l_hold);
@@ -1097,6 +1098,13 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		list_add(&page->lru, &l_inactive);
 	}
 
+	/*
+	 * Count the referenced pages as rotated, even when they are moved
+	 * to the inactive list.  This helps balance scan pressure between
+	 * file and anonymous pages in get_scan_ratio.
+ 	 */
+	zone->recent_rotated[!!file] += pgmoved;
+
 	/*
 	 * Now put the pages back on the appropriate [file or anon] inactive
 	 * and active lists.
@@ -1158,7 +1166,6 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		}
 	}
 	__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
-	zone->recent_rotated[!!file] += pgmoved;
 
 	__count_zone_vm_events(PGREFILL, zone, pgscanned);
 	__count_vm_events(PGDEACTIVATE, pgdeactivate);
@@ -1174,7 +1181,13 @@ static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
 {
 	int file = is_file_lru(lru);
 
-	if (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE) {
+	if (lru == LRU_ACTIVE_FILE) {
+		shrink_active_list(nr_to_scan, zone, sc, priority, file);
+		return 0;
+	}
+
+	if (lru == LRU_ACTIVE_ANON &&
+	    (!scan_global_lru(sc) || inactive_anon_is_low(zone))) {
 		shrink_active_list(nr_to_scan, zone, sc, priority, file);
 		return 0;
 	}
@@ -1310,8 +1323,8 @@ static unsigned long shrink_zone(int priority, struct zone *zone,
 		}
 	}
 
-	while (nr[LRU_ACTIVE_ANON] || nr[LRU_INACTIVE_ANON] ||
-			nr[LRU_ACTIVE_FILE] || nr[LRU_INACTIVE_FILE]) {
+	while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||
+					nr[LRU_INACTIVE_FILE]) {
 		for_each_lru(l) {
 			if (nr[l]) {
 				nr_to_scan = min(nr[l],
@@ -1324,6 +1337,15 @@ static unsigned long shrink_zone(int priority, struct zone *zone,
 		}
 	}
 
+	/*
+	 * Even if we did not try to evict anon pages at all, we want to
+	 * rebalance the anon lru active/inactive ratio.
+	 */
+	if (!scan_global_lru(sc) || inactive_anon_is_low(zone))
+		shrink_active_list(SWAP_CLUSTER_MAX, zone, sc, priority, 0);
+	else if (!scan_global_lru(sc))
+		shrink_active_list(SWAP_CLUSTER_MAX, zone, sc, priority, 0);
+
 	throttle_vm_writeout(sc->gfp_mask);
 	return nr_reclaimed;
 }
@@ -1617,6 +1639,14 @@ loop_again:
 			    priority != DEF_PRIORITY)
 				continue;
 
+			/*
+			 * Do some background aging of the anon list, to give
+			 * pages a chance to be referenced before reclaiming.
+			 */
+			if (inactive_anon_is_low(zone))
+				shrink_active_list(SWAP_CLUSTER_MAX, zone,
+							&sc, priority, 0);
+
 			if (!zone_watermark_ok(zone, order, zone->pages_high,
 					       0, 0)) {
 				end_zone = i;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 27400b7da7c..4380b0dba6d 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -738,10 +738,12 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
 	seq_printf(m,
 		   "\n  all_unreclaimable: %u"
 		   "\n  prev_priority:     %i"
-		   "\n  start_pfn:         %lu",
+		   "\n  start_pfn:         %lu"
+		   "\n  inactive_ratio:    %u",
 			   zone_is_all_unreclaimable(zone),
 		   zone->prev_priority,
-		   zone->zone_start_pfn);
+		   zone->zone_start_pfn,
+		   zone->inactive_ratio);
 	seq_putc(m, '\n');
 }
 
-- 
GitLab


From 7e9cd484204f9e5b316ed35b241abf088d76e0af Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:35 -0700
Subject: [PATCH 1356/2224] vmscan: fix pagecache reclaim referenced bit check

Moving referenced pages back to the head of the active list creates a huge
scalability problem, because by the time a large memory system finally
runs out of free memory, every single page in the system will have been
referenced.

Not only do we not have the time to scan every single page on the active
list, but since they have will all have the referenced bit set, that bit
conveys no useful information.

A more scalable solution is to just move every page that hits the end of
the active list to the inactive list.

We clear the referenced bit off of mapped pages, which need just one
reference to be moved back onto the active list.

Unmapped pages will be moved back to the active list after two references
(see mark_page_accessed).  We preserve the PG_referenced flag on unmapped
pages to preserve accesses that were made while the page was on the active
list.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 45 +++++++++++++--------------------------------
 1 file changed, 13 insertions(+), 32 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index c82ee9a33cf..9588973849d 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1064,7 +1064,6 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 	int pgdeactivate = 0;
 	unsigned long pgscanned;
 	LIST_HEAD(l_hold);	/* The pages which were snipped off */
-	LIST_HEAD(l_active);
 	LIST_HEAD(l_inactive);
 	struct page *page;
 	struct pagevec pvec;
@@ -1095,21 +1094,28 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		cond_resched();
 		page = lru_to_page(&l_hold);
 		list_del(&page->lru);
+
+		/* page_referenced clears PageReferenced */
+		if (page_mapping_inuse(page) &&
+		    page_referenced(page, 0, sc->mem_cgroup))
+			pgmoved++;
+
 		list_add(&page->lru, &l_inactive);
 	}
 
 	/*
-	 * Count the referenced pages as rotated, even when they are moved
-	 * to the inactive list.  This helps balance scan pressure between
-	 * file and anonymous pages in get_scan_ratio.
- 	 */
+	 * Count referenced pages from currently used mappings as
+	 * rotated, even though they are moved to the inactive list.
+	 * This helps balance scan pressure between file and anonymous
+	 * pages in get_scan_ratio.
+	 */
 	zone->recent_rotated[!!file] += pgmoved;
 
 	/*
-	 * Now put the pages back on the appropriate [file or anon] inactive
-	 * and active lists.
+	 * Move the pages to the [file or anon] inactive list.
 	 */
 	pagevec_init(&pvec, 1);
+
 	pgmoved = 0;
 	lru = LRU_BASE + file * LRU_FILE;
 	spin_lock_irq(&zone->lru_lock);
@@ -1142,31 +1148,6 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		pagevec_strip(&pvec);
 		spin_lock_irq(&zone->lru_lock);
 	}
-
-	pgmoved = 0;
-	lru = LRU_ACTIVE + file * LRU_FILE;
-	while (!list_empty(&l_active)) {
-		page = lru_to_page(&l_active);
-		prefetchw_prev_lru_page(page, &l_active, flags);
-		VM_BUG_ON(PageLRU(page));
-		SetPageLRU(page);
-		VM_BUG_ON(!PageActive(page));
-
-		list_move(&page->lru, &zone->lru[lru].list);
-		mem_cgroup_move_lists(page, true);
-		pgmoved++;
-		if (!pagevec_add(&pvec, page)) {
-			__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
-			pgmoved = 0;
-			spin_unlock_irq(&zone->lru_lock);
-			if (vm_swap_full())
-				pagevec_swap_free(&pvec);
-			__pagevec_release(&pvec);
-			spin_lock_irq(&zone->lru_lock);
-		}
-	}
-	__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
-
 	__count_zone_vm_events(PGREFILL, zone, pgscanned);
 	__count_vm_events(PGDEACTIVATE, pgdeactivate);
 	spin_unlock_irq(&zone->lru_lock);
-- 
GitLab


From c5fdae469a6a26cd882d7fe0aa3fbfffb6b72fc5 Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:36 -0700
Subject: [PATCH 1357/2224] vmscan: add newly swapped in pages to the inactive
 list

Swapin_readahead can read in a lot of data that the processes in memory
never need.  Adding swap cache pages to the inactive list prevents them
from putting too much pressure on the working set.

This has the potential to help the programs that are already in memory,
but it could also be a disadvantage to processes that are trying to get
swapped in.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/swap_state.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swap_state.c b/mm/swap_state.c
index ea62084ed40..43cda7b4b80 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -310,7 +310,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 			/*
 			 * Initiate read into locked page and return.
 			 */
-			lru_cache_add_active_anon(new_page);
+			lru_cache_add_anon(new_page);
 			swap_readpage(NULL, new_page);
 			return new_page;
 		}
-- 
GitLab


From 33c120ed2843090e2bd316de1588b8bf8b96cbde Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:36 -0700
Subject: [PATCH 1358/2224] more aggressively use lumpy reclaim

During an AIM7 run on a 16GB system, fork started failing around 32000
threads, despite the system having plenty of free swap and 15GB of
pageable memory.  This was on x86-64, so 8k stacks.

If a higher order allocation fails, we can either:
- keep evicting pages off the end of the LRUs and hope that
  we eventually create a contiguous region; this is somewhat
  unlikely if the system is under enough stress by new
  allocations
- after trying normal eviction for a bit, use lumpy reclaim

This patch switches the system to lumpy reclaim if the VM is having
trouble freeing enough pages, using the same threshold for detection as
used by pageout congestion wait.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 9588973849d..a8347b677e7 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -909,7 +909,8 @@ int isolate_lru_page(struct page *page)
  * of reclaimed pages
  */
 static unsigned long shrink_inactive_list(unsigned long max_scan,
-			struct zone *zone, struct scan_control *sc, int file)
+			struct zone *zone, struct scan_control *sc,
+			int priority, int file)
 {
 	LIST_HEAD(page_list);
 	struct pagevec pvec;
@@ -927,8 +928,19 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 		unsigned long nr_freed;
 		unsigned long nr_active;
 		unsigned int count[NR_LRU_LISTS] = { 0, };
-		int mode = (sc->order > PAGE_ALLOC_COSTLY_ORDER) ?
-					ISOLATE_BOTH : ISOLATE_INACTIVE;
+		int mode = ISOLATE_INACTIVE;
+
+		/*
+		 * If we need a large contiguous chunk of memory, or have
+		 * trouble getting a small set of contiguous pages, we
+		 * will reclaim both active and inactive pages.
+		 *
+		 * We use the same threshold as pageout congestion_wait below.
+		 */
+		if (sc->order > PAGE_ALLOC_COSTLY_ORDER)
+			mode = ISOLATE_BOTH;
+		else if (sc->order && priority < DEF_PRIORITY - 2)
+			mode = ISOLATE_BOTH;
 
 		nr_taken = sc->isolate_pages(sc->swap_cluster_max,
 			     &page_list, &nr_scan, sc->order, mode,
@@ -1172,7 +1184,7 @@ static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
 		shrink_active_list(nr_to_scan, zone, sc, priority, file);
 		return 0;
 	}
-	return shrink_inactive_list(nr_to_scan, zone, sc, file);
+	return shrink_inactive_list(nr_to_scan, zone, sc, priority, file);
 }
 
 /*
-- 
GitLab


From 8a7a8544a4f6554ec2d8048ac9f9672f442db5a2 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:37 -0700
Subject: [PATCH 1359/2224] pageflag helpers for configed-out flags

Define proper false/noop inline functions for noreclaim page flags when
!defined(CONFIG_UNEVICTABLE_LRU)

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/page-flags.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 57b688cfb5e..3d31616dcd2 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -162,6 +162,18 @@ static inline int Page##uname(struct page *page) 			\
 #define TESTSCFLAG(uname, lname)					\
 	TESTSETFLAG(uname, lname) TESTCLEARFLAG(uname, lname)
 
+#define SETPAGEFLAG_NOOP(uname)						\
+static inline void SetPage##uname(struct page *page) {  }
+
+#define CLEARPAGEFLAG_NOOP(uname)					\
+static inline void ClearPage##uname(struct page *page) {  }
+
+#define __CLEARPAGEFLAG_NOOP(uname)					\
+static inline void __ClearPage##uname(struct page *page) {  }
+
+#define TESTCLEARFLAG_FALSE(uname)					\
+static inline int TestClearPage##uname(struct page *page) { return 0; }
+
 struct page;	/* forward declaration */
 
 TESTPAGEFLAG(Locked, locked)
-- 
GitLab


From 894bc310419ac95f4fa4142dc364401a7e607f65 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:39 -0700
Subject: [PATCH 1360/2224] Unevictable LRU Infrastructure

When the system contains lots of mlocked or otherwise unevictable pages,
the pageout code (kswapd) can spend lots of time scanning over these
pages.  Worse still, the presence of lots of unevictable pages can confuse
kswapd into thinking that more aggressive pageout modes are required,
resulting in all kinds of bad behaviour.

Infrastructure to manage pages excluded from reclaim--i.e., hidden from
vmscan.  Based on a patch by Larry Woodman of Red Hat.  Reworked to
maintain "unevictable" pages on a separate per-zone LRU list, to "hide"
them from vmscan.

Kosaki Motohiro added the support for the memory controller unevictable
lru list.

Pages on the unevictable list have both PG_unevictable and PG_lru set.
Thus, PG_unevictable is analogous to and mutually exclusive with
PG_active--it specifies which LRU list the page is on.

The unevictable infrastructure is enabled by a new mm Kconfig option
[CONFIG_]UNEVICTABLE_LRU.

A new function 'page_evictable(page, vma)' in vmscan.c tests whether or
not a page may be evictable.  Subsequent patches will add the various
!evictable tests.  We'll want to keep these tests light-weight for use in
shrink_active_list() and, possibly, the fault path.

To avoid races between tasks putting pages [back] onto an LRU list and
tasks that might be moving the page from non-evictable to evictable state,
the new function 'putback_lru_page()' -- inverse to 'isolate_lru_page()'
-- tests the "evictability" of a page after placing it on the LRU, before
dropping the reference.  If the page has become unevictable,
putback_lru_page() will redo the 'putback', thus moving the page to the
unevictable list.  This way, we avoid "stranding" evictable pages on the
unevictable list.

[akpm@linux-foundation.org: fix fallout from out-of-order merge]
[riel@redhat.com: fix UNEVICTABLE_LRU and !PROC_PAGE_MONITOR build]
[nishimura@mxp.nes.nec.co.jp: remove redundant mapping check]
[kosaki.motohiro@jp.fujitsu.com: unevictable-lru-infrastructure: putback_lru_page()/unevictable page handling rework]
[kosaki.motohiro@jp.fujitsu.com: kill unnecessary lock_page() in vmscan.c]
[kosaki.motohiro@jp.fujitsu.com: revert migration change of unevictable lru infrastructure]
[kosaki.motohiro@jp.fujitsu.com: revert to unevictable-lru-infrastructure-kconfig-fix.patch]
[kosaki.motohiro@jp.fujitsu.com: restore patch failure of vmstat-unevictable-and-mlocked-pages-vm-events.patch]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Debugged-by: Benjamin Kidwell <benjkidwell@yahoo.com>
Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/memcontrol.h |   2 +-
 include/linux/mm_inline.h  |  23 ++++--
 include/linux/mmzone.h     |  24 +++++-
 include/linux/page-flags.h |  22 +++++-
 include/linux/pagevec.h    |   1 -
 include/linux/swap.h       |  12 +++
 mm/Kconfig                 |  11 +++
 mm/internal.h              |  26 +++++++
 mm/memcontrol.c            |  73 +++++++++++-------
 mm/mempolicy.c             |   2 +-
 mm/migrate.c               |  31 ++++----
 mm/swap.c                  |  42 +++++++++--
 mm/vmscan.c                | 149 +++++++++++++++++++++++++++++++++----
 13 files changed, 345 insertions(+), 73 deletions(-)

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 8d8f05c1515..ee1b2fcb441 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -34,9 +34,9 @@ extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
 				gfp_t gfp_mask);
 extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
 					gfp_t gfp_mask);
+extern void mem_cgroup_move_lists(struct page *page, enum lru_list lru);
 extern void mem_cgroup_uncharge_page(struct page *page);
 extern void mem_cgroup_uncharge_cache_page(struct page *page);
-extern void mem_cgroup_move_lists(struct page *page, bool active);
 extern int mem_cgroup_shrink_usage(struct mm_struct *mm, gfp_t gfp_mask);
 
 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index f451fedd1e7..67d7697fd01 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -91,11 +91,16 @@ del_page_from_lru(struct zone *zone, struct page *page)
 	enum lru_list l = LRU_BASE;
 
 	list_del(&page->lru);
-	if (PageActive(page)) {
-		__ClearPageActive(page);
-		l += LRU_ACTIVE;
+	if (PageUnevictable(page)) {
+		__ClearPageUnevictable(page);
+		l = LRU_UNEVICTABLE;
+	} else {
+		if (PageActive(page)) {
+			__ClearPageActive(page);
+			l += LRU_ACTIVE;
+		}
+		l += page_is_file_cache(page);
 	}
-	l += page_is_file_cache(page);
 	__dec_zone_state(zone, NR_LRU_BASE + l);
 }
 
@@ -110,9 +115,13 @@ static inline enum lru_list page_lru(struct page *page)
 {
 	enum lru_list lru = LRU_BASE;
 
-	if (PageActive(page))
-		lru += LRU_ACTIVE;
-	lru += page_is_file_cache(page);
+	if (PageUnevictable(page))
+		lru = LRU_UNEVICTABLE;
+	else {
+		if (PageActive(page))
+			lru += LRU_ACTIVE;
+		lru += page_is_file_cache(page);
+	}
 
 	return lru;
 }
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9c5111f49a3..d1f60d5fe2e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -86,6 +86,11 @@ enum zone_stat_item {
 	NR_ACTIVE_ANON,		/*  "     "     "   "       "         */
 	NR_INACTIVE_FILE,	/*  "     "     "   "       "         */
 	NR_ACTIVE_FILE,		/*  "     "     "   "       "         */
+#ifdef CONFIG_UNEVICTABLE_LRU
+	NR_UNEVICTABLE,		/*  "     "     "   "       "         */
+#else
+	NR_UNEVICTABLE = NR_ACTIVE_FILE, /* avoid compiler errors in dead code */
+#endif
 	NR_ANON_PAGES,	/* Mapped anonymous pages */
 	NR_FILE_MAPPED,	/* pagecache pages mapped into pagetables.
 			   only modified from process context */
@@ -128,10 +133,18 @@ enum lru_list {
 	LRU_ACTIVE_ANON = LRU_BASE + LRU_ACTIVE,
 	LRU_INACTIVE_FILE = LRU_BASE + LRU_FILE,
 	LRU_ACTIVE_FILE = LRU_BASE + LRU_FILE + LRU_ACTIVE,
-	NR_LRU_LISTS };
+#ifdef CONFIG_UNEVICTABLE_LRU
+	LRU_UNEVICTABLE,
+#else
+	LRU_UNEVICTABLE = LRU_ACTIVE_FILE, /* avoid compiler errors in dead code */
+#endif
+	NR_LRU_LISTS
+};
 
 #define for_each_lru(l) for (l = 0; l < NR_LRU_LISTS; l++)
 
+#define for_each_evictable_lru(l) for (l = 0; l <= LRU_ACTIVE_FILE; l++)
+
 static inline int is_file_lru(enum lru_list l)
 {
 	return (l == LRU_INACTIVE_FILE || l == LRU_ACTIVE_FILE);
@@ -142,6 +155,15 @@ static inline int is_active_lru(enum lru_list l)
 	return (l == LRU_ACTIVE_ANON || l == LRU_ACTIVE_FILE);
 }
 
+static inline int is_unevictable_lru(enum lru_list l)
+{
+#ifdef CONFIG_UNEVICTABLE_LRU
+	return (l == LRU_UNEVICTABLE);
+#else
+	return 0;
+#endif
+}
+
 struct per_cpu_pages {
 	int count;		/* number of pages in the list */
 	int high;		/* high watermark, emptying needed */
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 3d31616dcd2..ec1a1baad34 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -94,6 +94,9 @@ enum pageflags {
 	PG_reclaim,		/* To be reclaimed asap */
 	PG_buddy,		/* Page is free, on buddy lists */
 	PG_swapbacked,		/* Page is backed by RAM/swap */
+#ifdef CONFIG_UNEVICTABLE_LRU
+	PG_unevictable,		/* Page is "unevictable"  */
+#endif
 #ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
 	PG_uncached,		/* Page has been mapped as uncached */
 #endif
@@ -182,6 +185,7 @@ PAGEFLAG(Referenced, referenced) TESTCLEARFLAG(Referenced, referenced)
 PAGEFLAG(Dirty, dirty) TESTSCFLAG(Dirty, dirty) __CLEARPAGEFLAG(Dirty, dirty)
 PAGEFLAG(LRU, lru) __CLEARPAGEFLAG(LRU, lru)
 PAGEFLAG(Active, active) __CLEARPAGEFLAG(Active, active)
+	TESTCLEARFLAG(Active, active)
 __PAGEFLAG(Slab, slab)
 PAGEFLAG(Checked, checked)		/* Used by some filesystems */
 PAGEFLAG(Pinned, pinned) TESTSCFLAG(Pinned, pinned)	/* Xen */
@@ -225,6 +229,15 @@ PAGEFLAG(SwapCache, swapcache)
 PAGEFLAG_FALSE(SwapCache)
 #endif
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+PAGEFLAG(Unevictable, unevictable) __CLEARPAGEFLAG(Unevictable, unevictable)
+	TESTCLEARFLAG(Unevictable, unevictable)
+#else
+PAGEFLAG_FALSE(Unevictable) TESTCLEARFLAG_FALSE(Unevictable)
+	SETPAGEFLAG_NOOP(Unevictable) CLEARPAGEFLAG_NOOP(Unevictable)
+	__CLEARPAGEFLAG_NOOP(Unevictable)
+#endif
+
 #ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
 PAGEFLAG(Uncached, uncached)
 #else
@@ -340,9 +353,16 @@ static inline void __ClearPageTail(struct page *page)
 
 #endif /* !PAGEFLAGS_EXTENDED */
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+#define __PG_UNEVICTABLE (1 << PG_unevictable)
+#else
+#define __PG_UNEVICTABLE 0
+#endif
+
 #define PAGE_FLAGS	(1 << PG_lru   | 1 << PG_private   | 1 << PG_locked | \
 			 1 << PG_buddy | 1 << PG_writeback | \
-			 1 << PG_slab  | 1 << PG_swapcache | 1 << PG_active)
+			 1 << PG_slab  | 1 << PG_swapcache | 1 << PG_active | \
+			 __PG_UNEVICTABLE)
 
 /*
  * Flags checked in bad_page().  Pages on the free list should not have
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index 5fc96a4e760..e90a2cb0291 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -101,7 +101,6 @@ static inline void __pagevec_lru_add_active_file(struct pagevec *pvec)
 	____pagevec_lru_add(pvec, LRU_ACTIVE_FILE);
 }
 
-
 static inline void pagevec_lru_add_file(struct pagevec *pvec)
 {
 	if (pagevec_count(pvec))
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 7d09d79997a..a2113044d20 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -180,6 +180,8 @@ extern int lru_add_drain_all(void);
 extern void rotate_reclaimable_page(struct page *page);
 extern void swap_setup(void);
 
+extern void add_page_to_unevictable_list(struct page *page);
+
 /**
  * lru_cache_add: add a page to the page lists
  * @page: the page to add
@@ -228,6 +230,16 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
 }
 #endif
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+extern int page_evictable(struct page *page, struct vm_area_struct *vma);
+#else
+static inline int page_evictable(struct page *page,
+						struct vm_area_struct *vma)
+{
+	return 1;
+}
+#endif
+
 extern int kswapd_run(int nid);
 
 #ifdef CONFIG_MMU
diff --git a/mm/Kconfig b/mm/Kconfig
index 1a501a4de95..5b5790f8a81 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -209,5 +209,16 @@ config VIRT_TO_BUS
 	def_bool y
 	depends on !ARCH_NO_VIRT_TO_BUS
 
+config UNEVICTABLE_LRU
+	bool "Add LRU list to track non-evictable pages"
+	default y
+	depends on MMU
+	help
+	  Keeps unevictable pages off of the active and inactive pageout
+	  lists, so kswapd will not waste CPU time or have its balancing
+	  algorithms thrown off by scanning these pages.  Selecting this
+	  will use one page flag and increase the code size a little,
+	  say Y unless you know what you are doing.
+
 config MMU_NOTIFIER
 	bool
diff --git a/mm/internal.h b/mm/internal.h
index 4e8e78b978b..3db17b2a1ac 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -39,8 +39,15 @@ static inline void __put_page(struct page *page)
 	atomic_dec(&page->_count);
 }
 
+/*
+ * in mm/vmscan.c:
+ */
 extern int isolate_lru_page(struct page *page);
+extern void putback_lru_page(struct page *page);
 
+/*
+ * in mm/page_alloc.c
+ */
 extern void __free_pages_bootmem(struct page *page, unsigned int order);
 
 /*
@@ -54,6 +61,25 @@ static inline unsigned long page_order(struct page *page)
 	return page_private(page);
 }
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+/*
+ * unevictable_migrate_page() called only from migrate_page_copy() to
+ * migrate unevictable flag to new page.
+ * Note that the old page has been isolated from the LRU lists at this
+ * point so we don't need to worry about LRU statistics.
+ */
+static inline void unevictable_migrate_page(struct page *new, struct page *old)
+{
+	if (TestClearPageUnevictable(old))
+		SetPageUnevictable(new);
+}
+#else
+static inline void unevictable_migrate_page(struct page *new, struct page *old)
+{
+}
+#endif
+
+
 /*
  * FLATMEM and DISCONTIGMEM configurations use alloc_bootmem_node,
  * so all functions starting at paging_init should be marked __init
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 27e9e75f4ea..82c065e7551 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -160,9 +160,10 @@ struct page_cgroup {
 	struct mem_cgroup *mem_cgroup;
 	int flags;
 };
-#define PAGE_CGROUP_FLAG_CACHE	(0x1)	/* charged as cache */
-#define PAGE_CGROUP_FLAG_ACTIVE (0x2)	/* page is active in this cgroup */
-#define PAGE_CGROUP_FLAG_FILE	(0x4)	/* page is file system backed */
+#define PAGE_CGROUP_FLAG_CACHE	   (0x1)	/* charged as cache */
+#define PAGE_CGROUP_FLAG_ACTIVE    (0x2)	/* page is active in this cgroup */
+#define PAGE_CGROUP_FLAG_FILE	   (0x4)	/* page is file system backed */
+#define PAGE_CGROUP_FLAG_UNEVICTABLE (0x8)	/* page is unevictableable */
 
 static int page_cgroup_nid(struct page_cgroup *pc)
 {
@@ -292,10 +293,14 @@ static void __mem_cgroup_remove_list(struct mem_cgroup_per_zone *mz,
 {
 	int lru = LRU_BASE;
 
-	if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
-		lru += LRU_ACTIVE;
-	if (pc->flags & PAGE_CGROUP_FLAG_FILE)
-		lru += LRU_FILE;
+	if (pc->flags & PAGE_CGROUP_FLAG_UNEVICTABLE)
+		lru = LRU_UNEVICTABLE;
+	else {
+		if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
+			lru += LRU_ACTIVE;
+		if (pc->flags & PAGE_CGROUP_FLAG_FILE)
+			lru += LRU_FILE;
+	}
 
 	MEM_CGROUP_ZSTAT(mz, lru) -= 1;
 
@@ -308,10 +313,14 @@ static void __mem_cgroup_add_list(struct mem_cgroup_per_zone *mz,
 {
 	int lru = LRU_BASE;
 
-	if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
-		lru += LRU_ACTIVE;
-	if (pc->flags & PAGE_CGROUP_FLAG_FILE)
-		lru += LRU_FILE;
+	if (pc->flags & PAGE_CGROUP_FLAG_UNEVICTABLE)
+		lru = LRU_UNEVICTABLE;
+	else {
+		if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
+			lru += LRU_ACTIVE;
+		if (pc->flags & PAGE_CGROUP_FLAG_FILE)
+			lru += LRU_FILE;
+	}
 
 	MEM_CGROUP_ZSTAT(mz, lru) += 1;
 	list_add(&pc->lru, &mz->lists[lru]);
@@ -319,21 +328,31 @@ static void __mem_cgroup_add_list(struct mem_cgroup_per_zone *mz,
 	mem_cgroup_charge_statistics(pc->mem_cgroup, pc->flags, true);
 }
 
-static void __mem_cgroup_move_lists(struct page_cgroup *pc, bool active)
+static void __mem_cgroup_move_lists(struct page_cgroup *pc, enum lru_list lru)
 {
 	struct mem_cgroup_per_zone *mz = page_cgroup_zoneinfo(pc);
-	int from = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
-	int file = pc->flags & PAGE_CGROUP_FLAG_FILE;
-	int lru = LRU_FILE * !!file + !!from;
+	int active    = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
+	int file      = pc->flags & PAGE_CGROUP_FLAG_FILE;
+	int unevictable = pc->flags & PAGE_CGROUP_FLAG_UNEVICTABLE;
+	enum lru_list from = unevictable ? LRU_UNEVICTABLE :
+				(LRU_FILE * !!file + !!active);
 
-	MEM_CGROUP_ZSTAT(mz, lru) -= 1;
+	if (lru == from)
+		return;
 
-	if (active)
-		pc->flags |= PAGE_CGROUP_FLAG_ACTIVE;
-	else
+	MEM_CGROUP_ZSTAT(mz, from) -= 1;
+
+	if (is_unevictable_lru(lru)) {
 		pc->flags &= ~PAGE_CGROUP_FLAG_ACTIVE;
+		pc->flags |= PAGE_CGROUP_FLAG_UNEVICTABLE;
+	} else {
+		if (is_active_lru(lru))
+			pc->flags |= PAGE_CGROUP_FLAG_ACTIVE;
+		else
+			pc->flags &= ~PAGE_CGROUP_FLAG_ACTIVE;
+		pc->flags &= ~PAGE_CGROUP_FLAG_UNEVICTABLE;
+	}
 
-	lru = LRU_FILE * !!file + !!active;
 	MEM_CGROUP_ZSTAT(mz, lru) += 1;
 	list_move(&pc->lru, &mz->lists[lru]);
 }
@@ -351,7 +370,7 @@ int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem)
 /*
  * This routine assumes that the appropriate zone's lru lock is already held
  */
-void mem_cgroup_move_lists(struct page *page, bool active)
+void mem_cgroup_move_lists(struct page *page, enum lru_list lru)
 {
 	struct page_cgroup *pc;
 	struct mem_cgroup_per_zone *mz;
@@ -374,7 +393,7 @@ void mem_cgroup_move_lists(struct page *page, bool active)
 	if (pc) {
 		mz = page_cgroup_zoneinfo(pc);
 		spin_lock_irqsave(&mz->lru_lock, flags);
-		__mem_cgroup_move_lists(pc, active);
+		__mem_cgroup_move_lists(pc, lru);
 		spin_unlock_irqrestore(&mz->lru_lock, flags);
 	}
 	unlock_page_cgroup(page);
@@ -472,12 +491,10 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 		/*
 		 * TODO: play better with lumpy reclaim, grabbing anything.
 		 */
-		if (PageActive(page) && !active) {
-			__mem_cgroup_move_lists(pc, true);
-			continue;
-		}
-		if (!PageActive(page) && active) {
-			__mem_cgroup_move_lists(pc, false);
+		if (PageUnevictable(page) ||
+		    (PageActive(page) && !active) ||
+		    (!PageActive(page) && active)) {
+			__mem_cgroup_move_lists(pc, page_lru(page));
 			continue;
 		}
 
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 71b47491487..36f42573a33 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2202,7 +2202,7 @@ static void gather_stats(struct page *page, void *private, int pte_dirty)
 	if (PageSwapCache(page))
 		md->swapcache++;
 
-	if (PageActive(page))
+	if (PageActive(page) || PageUnevictable(page))
 		md->active++;
 
 	if (PageWriteback(page))
diff --git a/mm/migrate.c b/mm/migrate.c
index c0732748711..b10237d8b45 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -53,14 +53,9 @@ int migrate_prep(void)
 	return 0;
 }
 
-static inline void move_to_lru(struct page *page)
-{
-	lru_cache_add_lru(page, page_lru(page));
-	put_page(page);
-}
-
 /*
- * Add isolated pages on the list back to the LRU.
+ * Add isolated pages on the list back to the LRU under page lock
+ * to avoid leaking evictable pages back onto unevictable list.
  *
  * returns the number of pages put back.
  */
@@ -72,7 +67,7 @@ int putback_lru_pages(struct list_head *l)
 
 	list_for_each_entry_safe(page, page2, l, lru) {
 		list_del(&page->lru);
-		move_to_lru(page);
+		putback_lru_page(page);
 		count++;
 	}
 	return count;
@@ -354,8 +349,11 @@ static void migrate_page_copy(struct page *newpage, struct page *page)
 		SetPageReferenced(newpage);
 	if (PageUptodate(page))
 		SetPageUptodate(newpage);
-	if (PageActive(page))
+	if (TestClearPageActive(page)) {
+		VM_BUG_ON(PageUnevictable(page));
 		SetPageActive(newpage);
+	} else
+		unevictable_migrate_page(newpage, page);
 	if (PageChecked(page))
 		SetPageChecked(newpage);
 	if (PageMappedToDisk(page))
@@ -376,7 +374,6 @@ static void migrate_page_copy(struct page *newpage, struct page *page)
 #ifdef CONFIG_SWAP
 	ClearPageSwapCache(page);
 #endif
-	ClearPageActive(page);
 	ClearPagePrivate(page);
 	set_page_private(page, 0);
 	page->mapping = NULL;
@@ -555,6 +552,10 @@ static int fallback_migrate_page(struct address_space *mapping,
  *
  * The new page will have replaced the old page if this function
  * is successful.
+ *
+ * Return value:
+ *   < 0 - error code
+ *  == 0 - success
  */
 static int move_to_new_page(struct page *newpage, struct page *page)
 {
@@ -617,9 +618,10 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
 	if (!newpage)
 		return -ENOMEM;
 
-	if (page_count(page) == 1)
+	if (page_count(page) == 1) {
 		/* page was freed from under us. So we are done. */
 		goto move_newpage;
+	}
 
 	charge = mem_cgroup_prepare_migration(page, newpage);
 	if (charge == -ENOMEM) {
@@ -693,7 +695,6 @@ rcu_unlock:
 		rcu_read_unlock();
 
 unlock:
-
 	unlock_page(page);
 
 	if (rc != -EAGAIN) {
@@ -704,17 +705,19 @@ unlock:
  		 * restored.
  		 */
  		list_del(&page->lru);
- 		move_to_lru(page);
+		putback_lru_page(page);
 	}
 
 move_newpage:
 	if (!charge)
 		mem_cgroup_end_migration(newpage);
+
 	/*
 	 * Move the new page to the LRU. If migration was not successful
 	 * then this will free the page.
 	 */
-	move_to_lru(newpage);
+	putback_lru_page(newpage);
+
 	if (result) {
 		if (rc)
 			*result = rc;
diff --git a/mm/swap.c b/mm/swap.c
index 0b1974a0897..fee6b973f14 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -115,7 +115,7 @@ static void pagevec_move_tail(struct pagevec *pvec)
 			zone = pagezone;
 			spin_lock(&zone->lru_lock);
 		}
-		if (PageLRU(page) && !PageActive(page)) {
+		if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
 			int lru = page_is_file_cache(page);
 			list_move_tail(&page->lru, &zone->lru[lru].list);
 			pgmoved++;
@@ -136,7 +136,7 @@ static void pagevec_move_tail(struct pagevec *pvec)
 void  rotate_reclaimable_page(struct page *page)
 {
 	if (!PageLocked(page) && !PageDirty(page) && !PageActive(page) &&
-	    PageLRU(page)) {
+	    !PageUnevictable(page) && PageLRU(page)) {
 		struct pagevec *pvec;
 		unsigned long flags;
 
@@ -157,7 +157,7 @@ void activate_page(struct page *page)
 	struct zone *zone = page_zone(page);
 
 	spin_lock_irq(&zone->lru_lock);
-	if (PageLRU(page) && !PageActive(page)) {
+	if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
 		int file = page_is_file_cache(page);
 		int lru = LRU_BASE + file;
 		del_page_from_lru_list(zone, page, lru);
@@ -166,7 +166,7 @@ void activate_page(struct page *page)
 		lru += LRU_ACTIVE;
 		add_page_to_lru_list(zone, page, lru);
 		__count_vm_event(PGACTIVATE);
-		mem_cgroup_move_lists(page, true);
+		mem_cgroup_move_lists(page, lru);
 
 		zone->recent_rotated[!!file]++;
 		zone->recent_scanned[!!file]++;
@@ -183,7 +183,8 @@ void activate_page(struct page *page)
  */
 void mark_page_accessed(struct page *page)
 {
-	if (!PageActive(page) && PageReferenced(page) && PageLRU(page)) {
+	if (!PageActive(page) && !PageUnevictable(page) &&
+			PageReferenced(page) && PageLRU(page)) {
 		activate_page(page);
 		ClearPageReferenced(page);
 	} else if (!PageReferenced(page)) {
@@ -211,13 +212,38 @@ void __lru_cache_add(struct page *page, enum lru_list lru)
 void lru_cache_add_lru(struct page *page, enum lru_list lru)
 {
 	if (PageActive(page)) {
+		VM_BUG_ON(PageUnevictable(page));
 		ClearPageActive(page);
+	} else if (PageUnevictable(page)) {
+		VM_BUG_ON(PageActive(page));
+		ClearPageUnevictable(page);
 	}
 
-	VM_BUG_ON(PageLRU(page) || PageActive(page));
+	VM_BUG_ON(PageLRU(page) || PageActive(page) || PageUnevictable(page));
 	__lru_cache_add(page, lru);
 }
 
+/**
+ * add_page_to_unevictable_list - add a page to the unevictable list
+ * @page:  the page to be added to the unevictable list
+ *
+ * Add page directly to its zone's unevictable list.  To avoid races with
+ * tasks that might be making the page evictable, through eg. munlock,
+ * munmap or exit, while it's not on the lru, we want to add the page
+ * while it's locked or otherwise "invisible" to other tasks.  This is
+ * difficult to do when using the pagevec cache, so bypass that.
+ */
+void add_page_to_unevictable_list(struct page *page)
+{
+	struct zone *zone = page_zone(page);
+
+	spin_lock_irq(&zone->lru_lock);
+	SetPageUnevictable(page);
+	SetPageLRU(page);
+	add_page_to_lru_list(zone, page, LRU_UNEVICTABLE);
+	spin_unlock_irq(&zone->lru_lock);
+}
+
 /*
  * Drain pages out of the cpu's pagevecs.
  * Either "cpu" is the current CPU, and preemption has already been
@@ -316,6 +342,7 @@ void release_pages(struct page **pages, int nr, int cold)
 
 		if (PageLRU(page)) {
 			struct zone *pagezone = page_zone(page);
+
 			if (pagezone != zone) {
 				if (zone)
 					spin_unlock_irqrestore(&zone->lru_lock,
@@ -392,6 +419,7 @@ void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru)
 {
 	int i;
 	struct zone *zone = NULL;
+	VM_BUG_ON(is_unevictable_lru(lru));
 
 	for (i = 0; i < pagevec_count(pvec); i++) {
 		struct page *page = pvec->pages[i];
@@ -403,6 +431,8 @@ void ____pagevec_lru_add(struct pagevec *pvec, enum lru_list lru)
 			zone = pagezone;
 			spin_lock_irq(&zone->lru_lock);
 		}
+		VM_BUG_ON(PageActive(page));
+		VM_BUG_ON(PageUnevictable(page));
 		VM_BUG_ON(PageLRU(page));
 		SetPageLRU(page);
 		if (is_active_lru(lru))
diff --git a/mm/vmscan.c b/mm/vmscan.c
index a8347b677e7..154b9b608da 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -470,6 +470,79 @@ int remove_mapping(struct address_space *mapping, struct page *page)
 	return 0;
 }
 
+/**
+ * putback_lru_page - put previously isolated page onto appropriate LRU list
+ * @page: page to be put back to appropriate lru list
+ *
+ * Add previously isolated @page to appropriate LRU list.
+ * Page may still be unevictable for other reasons.
+ *
+ * lru_lock must not be held, interrupts must be enabled.
+ */
+#ifdef CONFIG_UNEVICTABLE_LRU
+void putback_lru_page(struct page *page)
+{
+	int lru;
+	int active = !!TestClearPageActive(page);
+
+	VM_BUG_ON(PageLRU(page));
+
+redo:
+	ClearPageUnevictable(page);
+
+	if (page_evictable(page, NULL)) {
+		/*
+		 * For evictable pages, we can use the cache.
+		 * In event of a race, worst case is we end up with an
+		 * unevictable page on [in]active list.
+		 * We know how to handle that.
+		 */
+		lru = active + page_is_file_cache(page);
+		lru_cache_add_lru(page, lru);
+	} else {
+		/*
+		 * Put unevictable pages directly on zone's unevictable
+		 * list.
+		 */
+		lru = LRU_UNEVICTABLE;
+		add_page_to_unevictable_list(page);
+	}
+	mem_cgroup_move_lists(page, lru);
+
+	/*
+	 * page's status can change while we move it among lru. If an evictable
+	 * page is on unevictable list, it never be freed. To avoid that,
+	 * check after we added it to the list, again.
+	 */
+	if (lru == LRU_UNEVICTABLE && page_evictable(page, NULL)) {
+		if (!isolate_lru_page(page)) {
+			put_page(page);
+			goto redo;
+		}
+		/* This means someone else dropped this page from LRU
+		 * So, it will be freed or putback to LRU again. There is
+		 * nothing to do here.
+		 */
+	}
+
+	put_page(page);		/* drop ref from isolate */
+}
+
+#else /* CONFIG_UNEVICTABLE_LRU */
+
+void putback_lru_page(struct page *page)
+{
+	int lru;
+	VM_BUG_ON(PageLRU(page));
+
+	lru = !!TestClearPageActive(page) + page_is_file_cache(page);
+	lru_cache_add_lru(page, lru);
+	mem_cgroup_move_lists(page, lru);
+	put_page(page);
+}
+#endif /* CONFIG_UNEVICTABLE_LRU */
+
+
 /*
  * shrink_page_list() returns the number of reclaimed pages
  */
@@ -503,6 +576,12 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 
 		sc->nr_scanned++;
 
+		if (unlikely(!page_evictable(page, NULL))) {
+			unlock_page(page);
+			putback_lru_page(page);
+			continue;
+		}
+
 		if (!sc->may_swap && page_mapped(page))
 			goto keep_locked;
 
@@ -602,7 +681,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 		 * possible for a page to have PageDirty set, but it is actually
 		 * clean (all its buffers are clean).  This happens if the
 		 * buffers were written out directly, with submit_bh(). ext3
-		 * will do this, as well as the blockdev mapping. 
+		 * will do this, as well as the blockdev mapping.
 		 * try_to_release_page() will discover that cleanness and will
 		 * drop the buffers and mark the page clean - it can be freed.
 		 *
@@ -650,6 +729,7 @@ activate_locked:
 		/* Not a candidate for swapping, so reclaim swap space. */
 		if (PageSwapCache(page) && vm_swap_full())
 			remove_exclusive_swap_page_ref(page);
+		VM_BUG_ON(PageActive(page));
 		SetPageActive(page);
 		pgactivate++;
 keep_locked:
@@ -699,6 +779,14 @@ int __isolate_lru_page(struct page *page, int mode, int file)
 	if (mode != ISOLATE_BOTH && (!page_is_file_cache(page) != !file))
 		return ret;
 
+	/*
+	 * When this function is being called for lumpy reclaim, we
+	 * initially look into all LRU pages, active, inactive and
+	 * unevictable; only give shrink_page_list evictable pages.
+	 */
+	if (PageUnevictable(page))
+		return ret;
+
 	ret = -EBUSY;
 	if (likely(get_page_unless_zero(page))) {
 		/*
@@ -810,7 +898,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan,
 				/* else it is being freed elsewhere */
 				list_move(&cursor_page->lru, src);
 			default:
-				break;
+				break;	/* ! on LRU or wrong list */
 			}
 		}
 	}
@@ -870,8 +958,9 @@ static unsigned long clear_active_flags(struct list_head *page_list,
  * Returns -EBUSY if the page was not on an LRU list.
  *
  * The returned page will have PageLRU() cleared.  If it was found on
- * the active list, it will have PageActive set.  That flag may need
- * to be cleared by the caller before letting the page go.
+ * the active list, it will have PageActive set.  If it was found on
+ * the unevictable list, it will have the PageUnevictable bit set. That flag
+ * may need to be cleared by the caller before letting the page go.
  *
  * The vmstat statistic corresponding to the list on which the page was
  * found will be decremented.
@@ -892,11 +981,10 @@ int isolate_lru_page(struct page *page)
 
 		spin_lock_irq(&zone->lru_lock);
 		if (PageLRU(page) && get_page_unless_zero(page)) {
-			int lru = LRU_BASE;
+			int lru = page_lru(page);
 			ret = 0;
 			ClearPageLRU(page);
 
-			lru += page_is_file_cache(page) + !!PageActive(page);
 			del_page_from_lru_list(zone, page, lru);
 		}
 		spin_unlock_irq(&zone->lru_lock);
@@ -1008,11 +1096,20 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
 		 * Put back any unfreeable pages.
 		 */
 		while (!list_empty(&page_list)) {
+			int lru;
 			page = lru_to_page(&page_list);
 			VM_BUG_ON(PageLRU(page));
-			SetPageLRU(page);
 			list_del(&page->lru);
-			add_page_to_lru_list(zone, page, page_lru(page));
+			if (unlikely(!page_evictable(page, NULL))) {
+				spin_unlock_irq(&zone->lru_lock);
+				putback_lru_page(page);
+				spin_lock_irq(&zone->lru_lock);
+				continue;
+			}
+			SetPageLRU(page);
+			lru = page_lru(page);
+			add_page_to_lru_list(zone, page, lru);
+			mem_cgroup_move_lists(page, lru);
 			if (PageActive(page) && scan_global_lru(sc)) {
 				int file = !!page_is_file_cache(page);
 				zone->recent_rotated[file]++;
@@ -1107,6 +1204,11 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		page = lru_to_page(&l_hold);
 		list_del(&page->lru);
 
+		if (unlikely(!page_evictable(page, NULL))) {
+			putback_lru_page(page);
+			continue;
+		}
+
 		/* page_referenced clears PageReferenced */
 		if (page_mapping_inuse(page) &&
 		    page_referenced(page, 0, sc->mem_cgroup))
@@ -1140,7 +1242,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 		ClearPageActive(page);
 
 		list_move(&page->lru, &zone->lru[lru].list);
-		mem_cgroup_move_lists(page, false);
+		mem_cgroup_move_lists(page, lru);
 		pgmoved++;
 		if (!pagevec_add(&pvec, page)) {
 			__mod_zone_page_state(zone, NR_LRU_BASE + lru, pgmoved);
@@ -1286,7 +1388,7 @@ static unsigned long shrink_zone(int priority, struct zone *zone,
 
 	get_scan_ratio(zone, sc, percent);
 
-	for_each_lru(l) {
+	for_each_evictable_lru(l) {
 		if (scan_global_lru(sc)) {
 			int file = is_file_lru(l);
 			int scan;
@@ -1318,7 +1420,7 @@ static unsigned long shrink_zone(int priority, struct zone *zone,
 
 	while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] ||
 					nr[LRU_INACTIVE_FILE]) {
-		for_each_lru(l) {
+		for_each_evictable_lru(l) {
 			if (nr[l]) {
 				nr_to_scan = min(nr[l],
 					(unsigned long)sc->swap_cluster_max);
@@ -1875,8 +1977,8 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
 		if (zone_is_all_unreclaimable(zone) && prio != DEF_PRIORITY)
 			continue;
 
-		for_each_lru(l) {
-			/* For pass = 0 we don't shrink the active list */
+		for_each_evictable_lru(l) {
+			/* For pass = 0, we don't shrink the active list */
 			if (pass == 0 &&
 				(l == LRU_ACTIVE || l == LRU_ACTIVE_FILE))
 				continue;
@@ -2213,3 +2315,24 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
 	return ret;
 }
 #endif
+
+#ifdef CONFIG_UNEVICTABLE_LRU
+/*
+ * page_evictable - test whether a page is evictable
+ * @page: the page to test
+ * @vma: the VMA in which the page is or will be mapped, may be NULL
+ *
+ * Test whether page is evictable--i.e., should be placed on active/inactive
+ * lists vs unevictable list.
+ *
+ * Reasons page might not be evictable:
+ * TODO - later patches
+ */
+int page_evictable(struct page *page, struct vm_area_struct *vma)
+{
+
+	/* TODO:  test page [!]evictable conditions */
+
+	return 1;
+}
+#endif
-- 
GitLab


From bbfd28eee9fbd73e780b19beb3dc562befbb94fa Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:40 -0700
Subject: [PATCH 1361/2224] unevictable lru: add event counting with statistics

Fix to unevictable-lru-page-statistics.patch

Add unevictable lru infrastructure vm events to the statistics patch.
Rename the "NORECL_" and "noreclaim_" symbols and text strings to
"UNEVICTABLE_" and "unevictable_", respectively.

Currently, both the infrastructure and the mlocked pages event are
added by a single patch later in the series.  This makes it difficult
to add or rework the incremental patches.  The events actually "belong"
with the stats, so pull them up to here.

Also, restore the event counting to putback_lru_page().  This was removed
from previous patch in series where it was "misplaced".  The actual events
weren't defined that early.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Rik van Riel <riel@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/vmstat.h | 5 +++++
 mm/vmscan.c            | 6 ++++++
 mm/vmstat.c            | 5 +++++
 3 files changed, 16 insertions(+)

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index ff5179f2b15..135840cd7fe 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -40,6 +40,11 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		PAGEOUTRUN, ALLOCSTALL, PGROTATED,
 #ifdef CONFIG_HUGETLB_PAGE
 		HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
+#endif
+#ifdef CONFIG_UNEVICTABLE_LRU
+		UNEVICTABLE_PGCULLED,	/* culled to noreclaim list */
+		UNEVICTABLE_PGSCANNED,	/* scanned for reclaimability */
+		UNEVICTABLE_PGRESCUED,	/* rescued from noreclaim list */
 #endif
 		NR_VM_EVENT_ITEMS
 };
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 154b9b608da..2804d23e2da 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -484,6 +484,7 @@ void putback_lru_page(struct page *page)
 {
 	int lru;
 	int active = !!TestClearPageActive(page);
+	int was_unevictable = PageUnevictable(page);
 
 	VM_BUG_ON(PageLRU(page));
 
@@ -525,6 +526,11 @@ redo:
 		 */
 	}
 
+	if (was_unevictable && lru != LRU_UNEVICTABLE)
+		count_vm_event(UNEVICTABLE_PGRESCUED);
+	else if (!was_unevictable && lru == LRU_UNEVICTABLE)
+		count_vm_event(UNEVICTABLE_PGCULLED);
+
 	put_page(page);		/* drop ref from isolate */
 }
 
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 4380b0dba6d..6cb08cdd4f0 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -677,6 +677,11 @@ static const char * const vmstat_text[] = {
 	"htlb_buddy_alloc_success",
 	"htlb_buddy_alloc_fail",
 #endif
+#ifdef CONFIG_UNEVICTABLE_LRU
+	"unevictable_pgs_culled",
+	"unevictable_pgs_scanned",
+	"unevictable_pgs_rescued",
+#endif
 #endif
 };
 
-- 
GitLab


From 7b854121eb3e5ba0241882ff939e2c485228c9c5 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:40 -0700
Subject: [PATCH 1362/2224] Unevictable LRU Page Statistics

Report unevictable pages per zone and system wide.

Kosaki Motohiro added support for memory controller unevictable
statistics.

[riel@redhat.com: fix printk in show_free_areas()]
[akpm@linux-foundation.org: fix units in /proc/vmstats]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Debugged-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/base/node.c |  6 ++++++
 fs/proc/proc_misc.c |  6 ++++++
 mm/memcontrol.c     |  6 ++++++
 mm/page_alloc.c     | 18 ++++++++++++++++--
 mm/vmstat.c         |  3 +++
 5 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index fc7e9bf0cdb..11a9a05cf55 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -70,6 +70,9 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       "Node %d Inactive(anon): %8lu kB\n"
 		       "Node %d Active(file):   %8lu kB\n"
 		       "Node %d Inactive(file): %8lu kB\n"
+#ifdef CONFIG_UNEVICTABLE_LRU
+		       "Node %d Noreclaim:      %8lu kB\n"
+#endif
 #ifdef CONFIG_HIGHMEM
 		       "Node %d HighTotal:      %8lu kB\n"
 		       "Node %d HighFree:       %8lu kB\n"
@@ -99,6 +102,9 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
 		       nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
 		       nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
+#ifdef CONFIG_UNEVICTABLE_LRU
+		       nid, K(node_page_state(nid, NR_UNEVICTABLE)),
+#endif
 #ifdef CONFIG_HIGHMEM
 		       nid, K(i.totalhigh),
 		       nid, K(i.freehigh),
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index b8edb286055..6dd60eaea99 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -174,6 +174,9 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 		"Inactive(anon): %8lu kB\n"
 		"Active(file):   %8lu kB\n"
 		"Inactive(file): %8lu kB\n"
+#ifdef CONFIG_UNEVICTABLE_LRU
+		"Unevictable:    %8lu kB\n"
+#endif
 #ifdef CONFIG_HIGHMEM
 		"HighTotal:      %8lu kB\n"
 		"HighFree:       %8lu kB\n"
@@ -212,6 +215,9 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 		K(pages[LRU_INACTIVE_ANON]),
 		K(pages[LRU_ACTIVE_FILE]),
 		K(pages[LRU_INACTIVE_FILE]),
+#ifdef CONFIG_UNEVICTABLE_LRU
+		K(pages[LRU_UNEVICTABLE]),
+#endif
 #ifdef CONFIG_HIGHMEM
 		K(i.totalhigh),
 		K(i.freehigh),
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 82c065e7551..e93a4db93fb 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1006,6 +1006,7 @@ static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft,
 	{
 		unsigned long active_anon, inactive_anon;
 		unsigned long active_file, inactive_file;
+		unsigned long unevictable;
 
 		inactive_anon = mem_cgroup_get_all_zonestat(mem_cont,
 						LRU_INACTIVE_ANON);
@@ -1015,10 +1016,15 @@ static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft,
 						LRU_INACTIVE_FILE);
 		active_file = mem_cgroup_get_all_zonestat(mem_cont,
 						LRU_ACTIVE_FILE);
+		unevictable = mem_cgroup_get_all_zonestat(mem_cont,
+							LRU_UNEVICTABLE);
+
 		cb->fill(cb, "active_anon", (active_anon) * PAGE_SIZE);
 		cb->fill(cb, "inactive_anon", (inactive_anon) * PAGE_SIZE);
 		cb->fill(cb, "active_file", (active_file) * PAGE_SIZE);
 		cb->fill(cb, "inactive_file", (inactive_file) * PAGE_SIZE);
+		cb->fill(cb, "unevictable", unevictable * PAGE_SIZE);
+
 	}
 	return 0;
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 79c0981b1d3..4125230a1b2 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1864,13 +1864,21 @@ void show_free_areas(void)
 		}
 	}
 
-	printk("Active_anon:%lu active_file:%lu inactive_anon%lu\n"
-		" inactive_file:%lu dirty:%lu writeback:%lu unstable:%lu\n"
+	printk("Active_anon:%lu active_file:%lu inactive_anon:%lu\n"
+		" inactive_file:%lu"
+//TODO:  check/adjust line lengths
+#ifdef CONFIG_UNEVICTABLE_LRU
+		" unevictable:%lu"
+#endif
+		" dirty:%lu writeback:%lu unstable:%lu\n"
 		" free:%lu slab:%lu mapped:%lu pagetables:%lu bounce:%lu\n",
 		global_page_state(NR_ACTIVE_ANON),
 		global_page_state(NR_ACTIVE_FILE),
 		global_page_state(NR_INACTIVE_ANON),
 		global_page_state(NR_INACTIVE_FILE),
+#ifdef CONFIG_UNEVICTABLE_LRU
+		global_page_state(NR_UNEVICTABLE),
+#endif
 		global_page_state(NR_FILE_DIRTY),
 		global_page_state(NR_WRITEBACK),
 		global_page_state(NR_UNSTABLE_NFS),
@@ -1897,6 +1905,9 @@ void show_free_areas(void)
 			" inactive_anon:%lukB"
 			" active_file:%lukB"
 			" inactive_file:%lukB"
+#ifdef CONFIG_UNEVICTABLE_LRU
+			" unevictable:%lukB"
+#endif
 			" present:%lukB"
 			" pages_scanned:%lu"
 			" all_unreclaimable? %s"
@@ -1910,6 +1921,9 @@ void show_free_areas(void)
 			K(zone_page_state(zone, NR_INACTIVE_ANON)),
 			K(zone_page_state(zone, NR_ACTIVE_FILE)),
 			K(zone_page_state(zone, NR_INACTIVE_FILE)),
+#ifdef CONFIG_UNEVICTABLE_LRU
+			K(zone_page_state(zone, NR_UNEVICTABLE)),
+#endif
 			K(zone->present_pages),
 			zone->pages_scanned,
 			(zone_is_all_unreclaimable(zone) ? "yes" : "no")
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 6cb08cdd4f0..6db2f631931 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -623,6 +623,9 @@ static const char * const vmstat_text[] = {
 	"nr_active_anon",
 	"nr_inactive_file",
 	"nr_active_file",
+#ifdef CONFIG_UNEVICTABLE_LRU
+	"nr_unevictable",
+#endif
 	"nr_anon_pages",
 	"nr_mapped",
 	"nr_file_pages",
-- 
GitLab


From ba9ddf49391645e6bb93219131a40446538a5e76 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:42 -0700
Subject: [PATCH 1363/2224] Ramfs and Ram Disk pages are unevictable

Christoph Lameter pointed out that ram disk pages also clutter the LRU
lists.  When vmscan finds them dirty and tries to clean them, the ram disk
writeback function just redirties the page so that it goes back onto the
active list.  Round and round she goes...

With the ram disk driver [rd.c] replaced by the newer 'brd.c', this is no
longer the case, as ram disk pages are no longer maintained on the lru.
[This makes them unmigratable for defrag or memory hot remove, but that
can be addressed by a separate patch series.] However, the ramfs pages
behave like ram disk pages used to, so:

Define new address_space flag [shares address_space flags member with
mapping's gfp mask] to indicate that the address space contains all
unevictable pages.  This will provide for efficient testing of ramfs pages
in page_evictable().

Also provide wrapper functions to set/test the unevictable state to
minimize #ifdefs in ramfs driver and any other users of this facility.

Set the unevictable state on address_space structures for new ramfs
inodes.  Test the unevictable state in page_evictable() to cull
unevictable pages.

These changes depend on [CONFIG_]UNEVICTABLE_LRU.

[riel@redhat.com: undo the brd.c part]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Debugged-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ramfs/inode.c        |  1 +
 include/linux/pagemap.h | 22 ++++++++++++++++++++++
 mm/vmscan.c             |  5 +++++
 3 files changed, 28 insertions(+)

diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index b13123424e4..f031d1c925f 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -61,6 +61,7 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)
 		inode->i_mapping->a_ops = &ramfs_aops;
 		inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
 		mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER);
+		mapping_set_unevictable(inode->i_mapping);
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		switch (mode & S_IFMT) {
 		default:
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 5da31c12101..09164d2c5c2 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -32,6 +32,28 @@ static inline void mapping_set_error(struct address_space *mapping, int error)
 	}
 }
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+#define AS_UNEVICTABLE	(__GFP_BITS_SHIFT + 2)	/* e.g., ramdisk, SHM_LOCK */
+
+static inline void mapping_set_unevictable(struct address_space *mapping)
+{
+	set_bit(AS_UNEVICTABLE, &mapping->flags);
+}
+
+static inline int mapping_unevictable(struct address_space *mapping)
+{
+	if (mapping && (mapping->flags & AS_UNEVICTABLE))
+		return 1;
+	return 0;
+}
+#else
+static inline void mapping_set_unevictable(struct address_space *mapping) { }
+static inline int mapping_unevictable(struct address_space *mapping)
+{
+	return 0;
+}
+#endif
+
 static inline gfp_t mapping_gfp_mask(struct address_space * mapping)
 {
 	return (__force gfp_t)mapping->flags & __GFP_BITS_MASK;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 2804d23e2da..9babfbc1ddc 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2332,11 +2332,16 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
  * lists vs unevictable list.
  *
  * Reasons page might not be evictable:
+ * (1) page's mapping marked unevictable
+ *
  * TODO - later patches
  */
 int page_evictable(struct page *page, struct vm_area_struct *vma)
 {
 
+	if (mapping_unevictable(page_mapping(page)))
+		return 0;
+
 	/* TODO:  test page [!]evictable conditions */
 
 	return 1;
-- 
GitLab


From 89e004ea55abe201b29e2d6e35124101f1288ef7 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:43 -0700
Subject: [PATCH 1364/2224] SHM_LOCKED pages are unevictable

Shmem segments locked into memory via shmctl(SHM_LOCKED) should not be
kept on the normal LRU, since scanning them is a waste of time and might
throw off kswapd's balancing algorithms.  Place them on the unevictable
LRU list instead.

Use the AS_UNEVICTABLE flag to mark address_space of SHM_LOCKed shared
memory regions as unevictable.  Then these pages will be culled off the
normal LRU lists during vmscan.

Add new wrapper function to clear the mapping's unevictable state when/if
shared memory segment is munlocked.

Add 'scan_mapping_unevictable_page()' to mm/vmscan.c to scan all pages in
the shmem segment's mapping [struct address_space] for evictability now
that they're no longer locked.  If so, move them to the appropriate zone
lru list.

Changes depend on [CONFIG_]UNEVICTABLE_LRU.

[kosaki.motohiro@jp.fujitsu.com: revert shm change]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Kosaki Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mm.h      |  4 +-
 include/linux/pagemap.h | 12 ++++--
 include/linux/swap.h    |  4 ++
 ipc/shm.c               |  4 ++
 mm/shmem.c              |  4 ++
 mm/vmscan.c             | 89 +++++++++++++++++++++++++++++++++++++++++
 6 files changed, 112 insertions(+), 5 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c61ba10768e..40236290e2a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -700,10 +700,10 @@ static inline int page_mapped(struct page *page)
 extern void show_free_areas(void);
 
 #ifdef CONFIG_SHMEM
-int shmem_lock(struct file *file, int lock, struct user_struct *user);
+extern int shmem_lock(struct file *file, int lock, struct user_struct *user);
 #else
 static inline int shmem_lock(struct file *file, int lock,
-			     struct user_struct *user)
+			    struct user_struct *user)
 {
 	return 0;
 }
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 09164d2c5c2..4b6c4d8d26b 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -40,14 +40,20 @@ static inline void mapping_set_unevictable(struct address_space *mapping)
 	set_bit(AS_UNEVICTABLE, &mapping->flags);
 }
 
+static inline void mapping_clear_unevictable(struct address_space *mapping)
+{
+	clear_bit(AS_UNEVICTABLE, &mapping->flags);
+}
+
 static inline int mapping_unevictable(struct address_space *mapping)
 {
-	if (mapping && (mapping->flags & AS_UNEVICTABLE))
-		return 1;
-	return 0;
+	if (likely(mapping))
+		return test_bit(AS_UNEVICTABLE, &mapping->flags);
+	return !!mapping;
 }
 #else
 static inline void mapping_set_unevictable(struct address_space *mapping) { }
+static inline void mapping_clear_unevictable(struct address_space *mapping) { }
 static inline int mapping_unevictable(struct address_space *mapping)
 {
 	return 0;
diff --git a/include/linux/swap.h b/include/linux/swap.h
index a2113044d20..7edb4cbc29f 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -232,12 +232,16 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
 
 #ifdef CONFIG_UNEVICTABLE_LRU
 extern int page_evictable(struct page *page, struct vm_area_struct *vma);
+extern void scan_mapping_unevictable_pages(struct address_space *);
 #else
 static inline int page_evictable(struct page *page,
 						struct vm_area_struct *vma)
 {
 	return 1;
 }
+static inline void scan_mapping_unevictable_pages(struct address_space *mapping)
+{
+}
 #endif
 
 extern int kswapd_run(int nid);
diff --git a/ipc/shm.c b/ipc/shm.c
index e77ec698cf4..0add3fa5f54 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -737,6 +737,10 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
 	case SHM_LOCK:
 	case SHM_UNLOCK:
 	{
+		struct file *uninitialized_var(shm_file);
+
+		lru_add_drain_all();  /* drain pagevecs to lru lists */
+
 		shp = shm_lock_check(ns, shmid);
 		if (IS_ERR(shp)) {
 			err = PTR_ERR(shp);
diff --git a/mm/shmem.c b/mm/shmem.c
index fc2ccf79a77..d38d7e61fcd 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1477,12 +1477,16 @@ int shmem_lock(struct file *file, int lock, struct user_struct *user)
 		if (!user_shm_lock(inode->i_size, user))
 			goto out_nomem;
 		info->flags |= VM_LOCKED;
+		mapping_set_unevictable(file->f_mapping);
 	}
 	if (!lock && (info->flags & VM_LOCKED) && user) {
 		user_shm_unlock(inode->i_size, user);
 		info->flags &= ~VM_LOCKED;
+		mapping_clear_unevictable(file->f_mapping);
+		scan_mapping_unevictable_pages(file->f_mapping);
 	}
 	retval = 0;
+
 out_nomem:
 	spin_unlock(&info->lock);
 	return retval;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 9babfbc1ddc..dfb342e0db9 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2346,4 +2346,93 @@ int page_evictable(struct page *page, struct vm_area_struct *vma)
 
 	return 1;
 }
+
+/**
+ * check_move_unevictable_page - check page for evictability and move to appropriate zone lru list
+ * @page: page to check evictability and move to appropriate lru list
+ * @zone: zone page is in
+ *
+ * Checks a page for evictability and moves the page to the appropriate
+ * zone lru list.
+ *
+ * Restrictions: zone->lru_lock must be held, page must be on LRU and must
+ * have PageUnevictable set.
+ */
+static void check_move_unevictable_page(struct page *page, struct zone *zone)
+{
+	VM_BUG_ON(PageActive(page));
+
+retry:
+	ClearPageUnevictable(page);
+	if (page_evictable(page, NULL)) {
+		enum lru_list l = LRU_INACTIVE_ANON + page_is_file_cache(page);
+		__dec_zone_state(zone, NR_UNEVICTABLE);
+		list_move(&page->lru, &zone->lru[l].list);
+		__inc_zone_state(zone, NR_INACTIVE_ANON + l);
+		__count_vm_event(UNEVICTABLE_PGRESCUED);
+	} else {
+		/*
+		 * rotate unevictable list
+		 */
+		SetPageUnevictable(page);
+		list_move(&page->lru, &zone->lru[LRU_UNEVICTABLE].list);
+		if (page_evictable(page, NULL))
+			goto retry;
+	}
+}
+
+/**
+ * scan_mapping_unevictable_pages - scan an address space for evictable pages
+ * @mapping: struct address_space to scan for evictable pages
+ *
+ * Scan all pages in mapping.  Check unevictable pages for
+ * evictability and move them to the appropriate zone lru list.
+ */
+void scan_mapping_unevictable_pages(struct address_space *mapping)
+{
+	pgoff_t next = 0;
+	pgoff_t end   = (i_size_read(mapping->host) + PAGE_CACHE_SIZE - 1) >>
+			 PAGE_CACHE_SHIFT;
+	struct zone *zone;
+	struct pagevec pvec;
+
+	if (mapping->nrpages == 0)
+		return;
+
+	pagevec_init(&pvec, 0);
+	while (next < end &&
+		pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)) {
+		int i;
+		int pg_scanned = 0;
+
+		zone = NULL;
+
+		for (i = 0; i < pagevec_count(&pvec); i++) {
+			struct page *page = pvec.pages[i];
+			pgoff_t page_index = page->index;
+			struct zone *pagezone = page_zone(page);
+
+			pg_scanned++;
+			if (page_index > next)
+				next = page_index;
+			next++;
+
+			if (pagezone != zone) {
+				if (zone)
+					spin_unlock_irq(&zone->lru_lock);
+				zone = pagezone;
+				spin_lock_irq(&zone->lru_lock);
+			}
+
+			if (PageLRU(page) && PageUnevictable(page))
+				check_move_unevictable_page(page, zone);
+		}
+		if (zone)
+			spin_unlock_irq(&zone->lru_lock);
+		pagevec_release(&pvec);
+
+		count_vm_events(UNEVICTABLE_PGSCANNED, pg_scanned);
+	}
+
+}
 #endif
-- 
GitLab


From b291f000393f5a0b679012b39d79fbc85c018233 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:26:44 -0700
Subject: [PATCH 1365/2224] mlock: mlocked pages are unevictable

Make sure that mlocked pages also live on the unevictable LRU, so kswapd
will not scan them over and over again.

This is achieved through various strategies:

1) add yet another page flag--PG_mlocked--to indicate that
   the page is locked for efficient testing in vmscan and,
   optionally, fault path.  This allows early culling of
   unevictable pages, preventing them from getting to
   page_referenced()/try_to_unmap().  Also allows separate
   accounting of mlock'd pages, as Nick's original patch
   did.

   Note:  Nick's original mlock patch used a PG_mlocked
   flag.  I had removed this in favor of the PG_unevictable
   flag + an mlock_count [new page struct member].  I
   restored the PG_mlocked flag to eliminate the new
   count field.

2) add the mlock/unevictable infrastructure to mm/mlock.c,
   with internal APIs in mm/internal.h.  This is a rework
   of Nick's original patch to these files, taking into
   account that mlocked pages are now kept on unevictable
   LRU list.

3) update vmscan.c:page_evictable() to check PageMlocked()
   and, if vma passed in, the vm_flags.  Note that the vma
   will only be passed in for new pages in the fault path;
   and then only if the "cull unevictable pages in fault
   path" patch is included.

4) add try_to_unlock() to rmap.c to walk a page's rmap and
   ClearPageMlocked() if no other vmas have it mlocked.
   Reuses as much of try_to_unmap() as possible.  This
   effectively replaces the use of one of the lru list links
   as an mlock count.  If this mechanism let's pages in mlocked
   vmas leak through w/o PG_mlocked set [I don't know that it
   does], we should catch them later in try_to_unmap().  One
   hopes this will be rare, as it will be relatively expensive.

Original mm/internal.h, mm/rmap.c and mm/mlock.c changes:
Signed-off-by: Nick Piggin <npiggin@suse.de>

splitlru: introduce __get_user_pages():

  New munlock processing need to GUP_FLAGS_IGNORE_VMA_PERMISSIONS.
  because current get_user_pages() can't grab PROT_NONE pages theresore it
  cause PROT_NONE pages can't munlock.

[akpm@linux-foundation.org: fix this for pagemap-pass-mm-into-pagewalkers.patch]
[akpm@linux-foundation.org: untangle patch interdependencies]
[akpm@linux-foundation.org: fix things after out-of-order merging]
[hugh@veritas.com: fix page-flags mess]
[lee.schermerhorn@hp.com: fix munlock page table walk - now requires 'mm']
[kosaki.motohiro@jp.fujitsu.com: build fix]
[kosaki.motohiro@jp.fujitsu.com: fix truncate race and sevaral comments]
[kosaki.motohiro@jp.fujitsu.com: splitlru: introduce __get_user_pages()]
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mm.h         |   5 +
 include/linux/page-flags.h |  19 +-
 include/linux/rmap.h       |  14 ++
 mm/internal.h              |  71 +++++++
 mm/memory.c                |  56 +++++-
 mm/migrate.c               |   2 +
 mm/mlock.c                 | 394 +++++++++++++++++++++++++++++++++++--
 mm/mmap.c                  |   2 -
 mm/nommu.c                 |  44 +++--
 mm/page_alloc.c            |   6 +-
 mm/rmap.c                  | 257 ++++++++++++++++++++----
 mm/swap.c                  |   2 +-
 mm/vmscan.c                |  36 +++-
 13 files changed, 817 insertions(+), 91 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 40236290e2a..ffee2f74341 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -131,6 +131,11 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_SequentialReadHint(v)	((v)->vm_flags & VM_SEQ_READ)
 #define VM_RandomReadHint(v)		((v)->vm_flags & VM_RAND_READ)
 
+/*
+ * special vmas that are non-mergable, non-mlock()able
+ */
+#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP)
+
 /*
  * mapping from the currently active vm_flags protection bits (the
  * low four bits) to a page protection mask..
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index ec1a1baad34..b12f93a3c34 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -96,6 +96,7 @@ enum pageflags {
 	PG_swapbacked,		/* Page is backed by RAM/swap */
 #ifdef CONFIG_UNEVICTABLE_LRU
 	PG_unevictable,		/* Page is "unevictable"  */
+	PG_mlocked,		/* Page is vma mlocked */
 #endif
 #ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
 	PG_uncached,		/* Page has been mapped as uncached */
@@ -232,7 +233,17 @@ PAGEFLAG_FALSE(SwapCache)
 #ifdef CONFIG_UNEVICTABLE_LRU
 PAGEFLAG(Unevictable, unevictable) __CLEARPAGEFLAG(Unevictable, unevictable)
 	TESTCLEARFLAG(Unevictable, unevictable)
+
+#define MLOCK_PAGES 1
+PAGEFLAG(Mlocked, mlocked) __CLEARPAGEFLAG(Mlocked, mlocked)
+	TESTSCFLAG(Mlocked, mlocked)
+
 #else
+
+#define MLOCK_PAGES 0
+PAGEFLAG_FALSE(Mlocked)
+	SETPAGEFLAG_NOOP(Mlocked) TESTCLEARFLAG_FALSE(Mlocked)
+
 PAGEFLAG_FALSE(Unevictable) TESTCLEARFLAG_FALSE(Unevictable)
 	SETPAGEFLAG_NOOP(Unevictable) CLEARPAGEFLAG_NOOP(Unevictable)
 	__CLEARPAGEFLAG_NOOP(Unevictable)
@@ -354,15 +365,17 @@ static inline void __ClearPageTail(struct page *page)
 #endif /* !PAGEFLAGS_EXTENDED */
 
 #ifdef CONFIG_UNEVICTABLE_LRU
-#define __PG_UNEVICTABLE (1 << PG_unevictable)
+#define __PG_UNEVICTABLE	(1 << PG_unevictable)
+#define __PG_MLOCKED		(1 << PG_mlocked)
 #else
-#define __PG_UNEVICTABLE 0
+#define __PG_UNEVICTABLE	0
+#define __PG_MLOCKED		0
 #endif
 
 #define PAGE_FLAGS	(1 << PG_lru   | 1 << PG_private   | 1 << PG_locked | \
 			 1 << PG_buddy | 1 << PG_writeback | \
 			 1 << PG_slab  | 1 << PG_swapcache | 1 << PG_active | \
-			 __PG_UNEVICTABLE)
+			 __PG_UNEVICTABLE | __PG_MLOCKED)
 
 /*
  * Flags checked in bad_page().  Pages on the free list should not have
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index fed6f5e0b41..955667e6a52 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -117,6 +117,19 @@ unsigned long page_address_in_vma(struct page *, struct vm_area_struct *);
  */
 int page_mkclean(struct page *);
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+/*
+ * called in munlock()/munmap() path to check for other vmas holding
+ * the page mlocked.
+ */
+int try_to_munlock(struct page *);
+#else
+static inline int try_to_munlock(struct page *page)
+{
+	return 0;	/* a.k.a. SWAP_SUCCESS */
+}
+#endif
+
 #else	/* !CONFIG_MMU */
 
 #define anon_vma_init()		do {} while (0)
@@ -140,5 +153,6 @@ static inline int page_mkclean(struct page *page)
 #define SWAP_SUCCESS	0
 #define SWAP_AGAIN	1
 #define SWAP_FAIL	2
+#define SWAP_MLOCK	3
 
 #endif	/* _LINUX_RMAP_H */
diff --git a/mm/internal.h b/mm/internal.h
index 3db17b2a1ac..4ebf0bef9a3 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -61,6 +61,10 @@ static inline unsigned long page_order(struct page *page)
 	return page_private(page);
 }
 
+extern int mlock_vma_pages_range(struct vm_area_struct *vma,
+			unsigned long start, unsigned long end);
+extern void munlock_vma_pages_all(struct vm_area_struct *vma);
+
 #ifdef CONFIG_UNEVICTABLE_LRU
 /*
  * unevictable_migrate_page() called only from migrate_page_copy() to
@@ -79,6 +83,65 @@ static inline void unevictable_migrate_page(struct page *new, struct page *old)
 }
 #endif
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+/*
+ * Called only in fault path via page_evictable() for a new page
+ * to determine if it's being mapped into a LOCKED vma.
+ * If so, mark page as mlocked.
+ */
+static inline int is_mlocked_vma(struct vm_area_struct *vma, struct page *page)
+{
+	VM_BUG_ON(PageLRU(page));
+
+	if (likely((vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) != VM_LOCKED))
+		return 0;
+
+	SetPageMlocked(page);
+	return 1;
+}
+
+/*
+ * must be called with vma's mmap_sem held for read, and page locked.
+ */
+extern void mlock_vma_page(struct page *page);
+
+/*
+ * Clear the page's PageMlocked().  This can be useful in a situation where
+ * we want to unconditionally remove a page from the pagecache -- e.g.,
+ * on truncation or freeing.
+ *
+ * It is legal to call this function for any page, mlocked or not.
+ * If called for a page that is still mapped by mlocked vmas, all we do
+ * is revert to lazy LRU behaviour -- semantics are not broken.
+ */
+extern void __clear_page_mlock(struct page *page);
+static inline void clear_page_mlock(struct page *page)
+{
+	if (unlikely(TestClearPageMlocked(page)))
+		__clear_page_mlock(page);
+}
+
+/*
+ * mlock_migrate_page - called only from migrate_page_copy() to
+ * migrate the Mlocked page flag
+ */
+static inline void mlock_migrate_page(struct page *newpage, struct page *page)
+{
+	if (TestClearPageMlocked(page))
+		SetPageMlocked(newpage);
+}
+
+
+#else /* CONFIG_UNEVICTABLE_LRU */
+static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p)
+{
+	return 0;
+}
+static inline void clear_page_mlock(struct page *page) { }
+static inline void mlock_vma_page(struct page *page) { }
+static inline void mlock_migrate_page(struct page *new, struct page *old) { }
+
+#endif /* CONFIG_UNEVICTABLE_LRU */
 
 /*
  * FLATMEM and DISCONTIGMEM configurations use alloc_bootmem_node,
@@ -148,4 +211,12 @@ static inline void mminit_validate_memmodel_limits(unsigned long *start_pfn,
 }
 #endif /* CONFIG_SPARSEMEM */
 
+#define GUP_FLAGS_WRITE                  0x1
+#define GUP_FLAGS_FORCE                  0x2
+#define GUP_FLAGS_IGNORE_VMA_PERMISSIONS 0x4
+
+int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+		     unsigned long start, int len, int flags,
+		     struct page **pages, struct vm_area_struct **vmas);
+
 #endif
diff --git a/mm/memory.c b/mm/memory.c
index 71cdefd1ef1..9fef7272fb9 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -64,6 +64,8 @@
 
 #include "internal.h"
 
+#include "internal.h"
+
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 /* use the per-pgdat data instead for discontigmem - mbligh */
 unsigned long max_mapnr;
@@ -1129,12 +1131,17 @@ static inline int use_zero_page(struct vm_area_struct *vma)
 	return !vma->vm_ops || !vma->vm_ops->fault;
 }
 
-int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
-		unsigned long start, int len, int write, int force,
+
+
+int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+		     unsigned long start, int len, int flags,
 		struct page **pages, struct vm_area_struct **vmas)
 {
 	int i;
-	unsigned int vm_flags;
+	unsigned int vm_flags = 0;
+	int write = !!(flags & GUP_FLAGS_WRITE);
+	int force = !!(flags & GUP_FLAGS_FORCE);
+	int ignore = !!(flags & GUP_FLAGS_IGNORE_VMA_PERMISSIONS);
 
 	if (len <= 0)
 		return 0;
@@ -1158,7 +1165,9 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 			pud_t *pud;
 			pmd_t *pmd;
 			pte_t *pte;
-			if (write) /* user gate pages are read-only */
+
+			/* user gate pages are read-only */
+			if (!ignore && write)
 				return i ? : -EFAULT;
 			if (pg > TASK_SIZE)
 				pgd = pgd_offset_k(pg);
@@ -1190,8 +1199,9 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 			continue;
 		}
 
-		if (!vma || (vma->vm_flags & (VM_IO | VM_PFNMAP))
-				|| !(vm_flags & vma->vm_flags))
+		if (!vma ||
+		    (vma->vm_flags & (VM_IO | VM_PFNMAP)) ||
+		    (!ignore && !(vm_flags & vma->vm_flags)))
 			return i ? : -EFAULT;
 
 		if (is_vm_hugetlb_page(vma)) {
@@ -1266,6 +1276,23 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 	} while (len);
 	return i;
 }
+
+int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+		unsigned long start, int len, int write, int force,
+		struct page **pages, struct vm_area_struct **vmas)
+{
+	int flags = 0;
+
+	if (write)
+		flags |= GUP_FLAGS_WRITE;
+	if (force)
+		flags |= GUP_FLAGS_FORCE;
+
+	return __get_user_pages(tsk, mm,
+				start, len, flags,
+				pages, vmas);
+}
+
 EXPORT_SYMBOL(get_user_pages);
 
 pte_t *get_locked_pte(struct mm_struct *mm, unsigned long addr,
@@ -1858,6 +1885,15 @@ gotten:
 	new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);
 	if (!new_page)
 		goto oom;
+	/*
+	 * Don't let another task, with possibly unlocked vma,
+	 * keep the mlocked page.
+	 */
+	if (vma->vm_flags & VM_LOCKED) {
+		lock_page(old_page);	/* for LRU manipulation */
+		clear_page_mlock(old_page);
+		unlock_page(old_page);
+	}
 	cow_user_page(new_page, old_page, address, vma);
 	__SetPageUptodate(new_page);
 
@@ -2325,7 +2361,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	page_add_anon_rmap(page, vma, address);
 
 	swap_free(entry);
-	if (vm_swap_full())
+	if (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page))
 		remove_exclusive_swap_page(page);
 	unlock_page(page);
 
@@ -2465,6 +2501,12 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 				ret = VM_FAULT_OOM;
 				goto out;
 			}
+			/*
+			 * Don't let another task, with possibly unlocked vma,
+			 * keep the mlocked page.
+			 */
+			if (vma->vm_flags & VM_LOCKED)
+				clear_page_mlock(vmf.page);
 			copy_user_highpage(page, vmf.page, address, vma);
 			__SetPageUptodate(page);
 		} else {
diff --git a/mm/migrate.c b/mm/migrate.c
index b10237d8b45..6802a7a3dfe 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -371,6 +371,8 @@ static void migrate_page_copy(struct page *newpage, struct page *page)
 		__set_page_dirty_nobuffers(newpage);
  	}
 
+	mlock_migrate_page(newpage, page);
+
 #ifdef CONFIG_SWAP
 	ClearPageSwapCache(page);
 #endif
diff --git a/mm/mlock.c b/mm/mlock.c
index 01fbe93eff5..8746fe3f973 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -8,10 +8,18 @@
 #include <linux/capability.h>
 #include <linux/mman.h>
 #include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/swapops.h>
+#include <linux/pagemap.h>
 #include <linux/mempolicy.h>
 #include <linux/syscalls.h>
 #include <linux/sched.h>
 #include <linux/module.h>
+#include <linux/rmap.h>
+#include <linux/mmzone.h>
+#include <linux/hugetlb.h>
+
+#include "internal.h"
 
 int can_do_mlock(void)
 {
@@ -23,17 +31,360 @@ int can_do_mlock(void)
 }
 EXPORT_SYMBOL(can_do_mlock);
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+/*
+ * Mlocked pages are marked with PageMlocked() flag for efficient testing
+ * in vmscan and, possibly, the fault path; and to support semi-accurate
+ * statistics.
+ *
+ * An mlocked page [PageMlocked(page)] is unevictable.  As such, it will
+ * be placed on the LRU "unevictable" list, rather than the [in]active lists.
+ * The unevictable list is an LRU sibling list to the [in]active lists.
+ * PageUnevictable is set to indicate the unevictable state.
+ *
+ * When lazy mlocking via vmscan, it is important to ensure that the
+ * vma's VM_LOCKED status is not concurrently being modified, otherwise we
+ * may have mlocked a page that is being munlocked. So lazy mlock must take
+ * the mmap_sem for read, and verify that the vma really is locked
+ * (see mm/rmap.c).
+ */
+
+/*
+ *  LRU accounting for clear_page_mlock()
+ */
+void __clear_page_mlock(struct page *page)
+{
+	VM_BUG_ON(!PageLocked(page));
+
+	if (!page->mapping) {	/* truncated ? */
+		return;
+	}
+
+	if (!isolate_lru_page(page)) {
+		putback_lru_page(page);
+	} else {
+		/*
+		 * Page not on the LRU yet.  Flush all pagevecs and retry.
+		 */
+		lru_add_drain_all();
+		if (!isolate_lru_page(page))
+			putback_lru_page(page);
+	}
+}
+
+/*
+ * Mark page as mlocked if not already.
+ * If page on LRU, isolate and putback to move to unevictable list.
+ */
+void mlock_vma_page(struct page *page)
+{
+	BUG_ON(!PageLocked(page));
+
+	if (!TestSetPageMlocked(page) && !isolate_lru_page(page))
+		putback_lru_page(page);
+}
+
+/*
+ * called from munlock()/munmap() path with page supposedly on the LRU.
+ *
+ * Note:  unlike mlock_vma_page(), we can't just clear the PageMlocked
+ * [in try_to_munlock()] and then attempt to isolate the page.  We must
+ * isolate the page to keep others from messing with its unevictable
+ * and mlocked state while trying to munlock.  However, we pre-clear the
+ * mlocked state anyway as we might lose the isolation race and we might
+ * not get another chance to clear PageMlocked.  If we successfully
+ * isolate the page and try_to_munlock() detects other VM_LOCKED vmas
+ * mapping the page, it will restore the PageMlocked state, unless the page
+ * is mapped in a non-linear vma.  So, we go ahead and SetPageMlocked(),
+ * perhaps redundantly.
+ * If we lose the isolation race, and the page is mapped by other VM_LOCKED
+ * vmas, we'll detect this in vmscan--via try_to_munlock() or try_to_unmap()
+ * either of which will restore the PageMlocked state by calling
+ * mlock_vma_page() above, if it can grab the vma's mmap sem.
+ */
+static void munlock_vma_page(struct page *page)
+{
+	BUG_ON(!PageLocked(page));
+
+	if (TestClearPageMlocked(page) && !isolate_lru_page(page)) {
+		try_to_munlock(page);
+		putback_lru_page(page);
+	}
+}
+
+/*
+ * mlock a range of pages in the vma.
+ *
+ * This takes care of making the pages present too.
+ *
+ * vma->vm_mm->mmap_sem must be held for write.
+ */
+static int __mlock_vma_pages_range(struct vm_area_struct *vma,
+			unsigned long start, unsigned long end)
+{
+	struct mm_struct *mm = vma->vm_mm;
+	unsigned long addr = start;
+	struct page *pages[16]; /* 16 gives a reasonable batch */
+	int write = !!(vma->vm_flags & VM_WRITE);
+	int nr_pages = (end - start) / PAGE_SIZE;
+	int ret;
+
+	VM_BUG_ON(start & ~PAGE_MASK || end & ~PAGE_MASK);
+	VM_BUG_ON(start < vma->vm_start || end > vma->vm_end);
+	VM_BUG_ON(!rwsem_is_locked(&vma->vm_mm->mmap_sem));
+
+	lru_add_drain_all();	/* push cached pages to LRU */
+
+	while (nr_pages > 0) {
+		int i;
+
+		cond_resched();
+
+		/*
+		 * get_user_pages makes pages present if we are
+		 * setting mlock. and this extra reference count will
+		 * disable migration of this page.  However, page may
+		 * still be truncated out from under us.
+		 */
+		ret = get_user_pages(current, mm, addr,
+				min_t(int, nr_pages, ARRAY_SIZE(pages)),
+				write, 0, pages, NULL);
+		/*
+		 * This can happen for, e.g., VM_NONLINEAR regions before
+		 * a page has been allocated and mapped at a given offset,
+		 * or for addresses that map beyond end of a file.
+		 * We'll mlock the the pages if/when they get faulted in.
+		 */
+		if (ret < 0)
+			break;
+		if (ret == 0) {
+			/*
+			 * We know the vma is there, so the only time
+			 * we cannot get a single page should be an
+			 * error (ret < 0) case.
+			 */
+			WARN_ON(1);
+			break;
+		}
+
+		lru_add_drain();	/* push cached pages to LRU */
+
+		for (i = 0; i < ret; i++) {
+			struct page *page = pages[i];
+
+			lock_page(page);
+			/*
+			 * Because we lock page here and migration is blocked
+			 * by the elevated reference, we need only check for
+			 * page truncation (file-cache only).
+			 */
+			if (page->mapping)
+				mlock_vma_page(page);
+			unlock_page(page);
+			put_page(page);		/* ref from get_user_pages() */
+
+			/*
+			 * here we assume that get_user_pages() has given us
+			 * a list of virtually contiguous pages.
+			 */
+			addr += PAGE_SIZE;	/* for next get_user_pages() */
+			nr_pages--;
+		}
+	}
+
+	lru_add_drain_all();	/* to update stats */
+
+	return 0;	/* count entire vma as locked_vm */
+}
+
+/*
+ * private structure for munlock page table walk
+ */
+struct munlock_page_walk {
+	struct vm_area_struct *vma;
+	pmd_t                 *pmd; /* for migration_entry_wait() */
+};
+
+/*
+ * munlock normal pages for present ptes
+ */
+static int __munlock_pte_handler(pte_t *ptep, unsigned long addr,
+				   unsigned long end, struct mm_walk *walk)
+{
+	struct munlock_page_walk *mpw = walk->private;
+	swp_entry_t entry;
+	struct page *page;
+	pte_t pte;
+
+retry:
+	pte = *ptep;
+	/*
+	 * If it's a swap pte, we might be racing with page migration.
+	 */
+	if (unlikely(!pte_present(pte))) {
+		if (!is_swap_pte(pte))
+			goto out;
+		entry = pte_to_swp_entry(pte);
+		if (is_migration_entry(entry)) {
+			migration_entry_wait(mpw->vma->vm_mm, mpw->pmd, addr);
+			goto retry;
+		}
+		goto out;
+	}
+
+	page = vm_normal_page(mpw->vma, addr, pte);
+	if (!page)
+		goto out;
+
+	lock_page(page);
+	if (!page->mapping) {
+		unlock_page(page);
+		goto retry;
+	}
+	munlock_vma_page(page);
+	unlock_page(page);
+
+out:
+	return 0;
+}
+
+/*
+ * Save pmd for pte handler for waiting on migration entries
+ */
+static int __munlock_pmd_handler(pmd_t *pmd, unsigned long addr,
+				 unsigned long end, struct mm_walk *walk)
+{
+	struct munlock_page_walk *mpw = walk->private;
+
+	mpw->pmd = pmd;
+	return 0;
+}
+
+
+/*
+ * munlock a range of pages in the vma using standard page table walk.
+ *
+ * vma->vm_mm->mmap_sem must be held for write.
+ */
+static void __munlock_vma_pages_range(struct vm_area_struct *vma,
+			      unsigned long start, unsigned long end)
+{
+	struct mm_struct *mm = vma->vm_mm;
+	struct munlock_page_walk mpw = {
+		.vma = vma,
+	};
+	struct mm_walk munlock_page_walk = {
+		.pmd_entry = __munlock_pmd_handler,
+		.pte_entry = __munlock_pte_handler,
+		.private = &mpw,
+		.mm = mm,
+	};
+
+	VM_BUG_ON(start & ~PAGE_MASK || end & ~PAGE_MASK);
+	VM_BUG_ON(!rwsem_is_locked(&vma->vm_mm->mmap_sem));
+	VM_BUG_ON(start < vma->vm_start);
+	VM_BUG_ON(end > vma->vm_end);
+
+	lru_add_drain_all();	/* push cached pages to LRU */
+	walk_page_range(start, end, &munlock_page_walk);
+	lru_add_drain_all();	/* to update stats */
+}
+
+#else /* CONFIG_UNEVICTABLE_LRU */
+
+/*
+ * Just make pages present if VM_LOCKED.  No-op if unlocking.
+ */
+static int __mlock_vma_pages_range(struct vm_area_struct *vma,
+			unsigned long start, unsigned long end)
+{
+	if (vma->vm_flags & VM_LOCKED)
+		make_pages_present(start, end);
+	return 0;
+}
+
+/*
+ * munlock a range of pages in the vma -- no-op.
+ */
+static void __munlock_vma_pages_range(struct vm_area_struct *vma,
+			      unsigned long start, unsigned long end)
+{
+}
+#endif /* CONFIG_UNEVICTABLE_LRU */
+
+/*
+ * mlock all pages in this vma range.  For mmap()/mremap()/...
+ */
+int mlock_vma_pages_range(struct vm_area_struct *vma,
+			unsigned long start, unsigned long end)
+{
+	int nr_pages = (end - start) / PAGE_SIZE;
+	BUG_ON(!(vma->vm_flags & VM_LOCKED));
+
+	/*
+	 * filter unlockable vmas
+	 */
+	if (vma->vm_flags & (VM_IO | VM_PFNMAP))
+		goto no_mlock;
+
+	if (!((vma->vm_flags & (VM_DONTEXPAND | VM_RESERVED)) ||
+			is_vm_hugetlb_page(vma) ||
+			vma == get_gate_vma(current)))
+		return __mlock_vma_pages_range(vma, start, end);
+
+	/*
+	 * User mapped kernel pages or huge pages:
+	 * make these pages present to populate the ptes, but
+	 * fall thru' to reset VM_LOCKED--no need to unlock, and
+	 * return nr_pages so these don't get counted against task's
+	 * locked limit.  huge pages are already counted against
+	 * locked vm limit.
+	 */
+	make_pages_present(start, end);
+
+no_mlock:
+	vma->vm_flags &= ~VM_LOCKED;	/* and don't come back! */
+	return nr_pages;		/* pages NOT mlocked */
+}
+
+
+/*
+ * munlock all pages in vma.   For munmap() and exit().
+ */
+void munlock_vma_pages_all(struct vm_area_struct *vma)
+{
+	vma->vm_flags &= ~VM_LOCKED;
+	__munlock_vma_pages_range(vma, vma->vm_start, vma->vm_end);
+}
+
+/*
+ * mlock_fixup  - handle mlock[all]/munlock[all] requests.
+ *
+ * Filters out "special" vmas -- VM_LOCKED never gets set for these, and
+ * munlock is a no-op.  However, for some special vmas, we go ahead and
+ * populate the ptes via make_pages_present().
+ *
+ * For vmas that pass the filters, merge/split as appropriate.
+ */
 static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev,
 	unsigned long start, unsigned long end, unsigned int newflags)
 {
-	struct mm_struct * mm = vma->vm_mm;
+	struct mm_struct *mm = vma->vm_mm;
 	pgoff_t pgoff;
-	int pages;
+	int nr_pages;
 	int ret = 0;
-
-	if (newflags == vma->vm_flags) {
-		*prev = vma;
-		goto out;
+	int lock = newflags & VM_LOCKED;
+
+	if (newflags == vma->vm_flags ||
+			(vma->vm_flags & (VM_IO | VM_PFNMAP)))
+		goto out;	/* don't set VM_LOCKED,  don't count */
+
+	if ((vma->vm_flags & (VM_DONTEXPAND | VM_RESERVED)) ||
+			is_vm_hugetlb_page(vma) ||
+			vma == get_gate_vma(current)) {
+		if (lock)
+			make_pages_present(start, end);
+		goto out;	/* don't set VM_LOCKED,  don't count */
 	}
 
 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
@@ -44,8 +395,6 @@ static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev,
 		goto success;
 	}
 
-	*prev = vma;
-
 	if (start != vma->vm_start) {
 		ret = split_vma(mm, vma, start, 1);
 		if (ret)
@@ -59,25 +408,32 @@ static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev,
 	}
 
 success:
+	/*
+	 * Keep track of amount of locked VM.
+	 */
+	nr_pages = (end - start) >> PAGE_SHIFT;
+	if (!lock)
+		nr_pages = -nr_pages;
+	mm->locked_vm += nr_pages;
+
 	/*
 	 * vm_flags is protected by the mmap_sem held in write mode.
 	 * It's okay if try_to_unmap_one unmaps a page just after we
-	 * set VM_LOCKED, make_pages_present below will bring it back.
+	 * set VM_LOCKED, __mlock_vma_pages_range will bring it back.
 	 */
 	vma->vm_flags = newflags;
 
-	/*
-	 * Keep track of amount of locked VM.
-	 */
-	pages = (end - start) >> PAGE_SHIFT;
-	if (newflags & VM_LOCKED) {
-		pages = -pages;
-		if (!(newflags & VM_IO))
-			ret = make_pages_present(start, end);
-	}
+	if (lock) {
+		ret = __mlock_vma_pages_range(vma, start, end);
+		if (ret > 0) {
+			mm->locked_vm -= ret;
+			ret = 0;
+		}
+	} else
+		__munlock_vma_pages_range(vma, start, end);
 
-	mm->locked_vm -= pages;
 out:
+	*prev = vma;
 	return ret;
 }
 
diff --git a/mm/mmap.c b/mm/mmap.c
index e7a5a68a9c2..7bdfd2661f1 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -662,8 +662,6 @@ again:			remove_next = 1 + (end > next->vm_end);
  * If the vma has a ->close operation then the driver probably needs to release
  * per-vma resources, so we don't attempt to merge those.
  */
-#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP)
-
 static inline int is_mergeable_vma(struct vm_area_struct *vma,
 			struct file *file, unsigned long vm_flags)
 {
diff --git a/mm/nommu.c b/mm/nommu.c
index ed75bc962fb..2696b24f2bb 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -34,6 +34,8 @@
 #include <asm/tlb.h>
 #include <asm/tlbflush.h>
 
+#include "internal.h"
+
 void *high_memory;
 struct page *mem_map;
 unsigned long max_mapnr;
@@ -128,20 +130,16 @@ unsigned int kobjsize(const void *objp)
 	return PAGE_SIZE << compound_order(page);
 }
 
-/*
- * get a list of pages in an address range belonging to the specified process
- * and indicate the VMA that covers each page
- * - this is potentially dodgy as we may end incrementing the page count of a
- *   slab page or a secondary page from a compound page
- * - don't permit access to VMAs that don't support it, such as I/O mappings
- */
-int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
-	unsigned long start, int len, int write, int force,
-	struct page **pages, struct vm_area_struct **vmas)
+int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+		     unsigned long start, int len, int flags,
+		struct page **pages, struct vm_area_struct **vmas)
 {
 	struct vm_area_struct *vma;
 	unsigned long vm_flags;
 	int i;
+	int write = !!(flags & GUP_FLAGS_WRITE);
+	int force = !!(flags & GUP_FLAGS_FORCE);
+	int ignore = !!(flags & GUP_FLAGS_IGNORE_VMA_PERMISSIONS);
 
 	/* calculate required read or write permissions.
 	 * - if 'force' is set, we only require the "MAY" flags.
@@ -156,7 +154,7 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 
 		/* protect what we can, including chardevs */
 		if (vma->vm_flags & (VM_IO | VM_PFNMAP) ||
-		    !(vm_flags & vma->vm_flags))
+		    (!ignore && !(vm_flags & vma->vm_flags)))
 			goto finish_or_fault;
 
 		if (pages) {
@@ -174,6 +172,30 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 finish_or_fault:
 	return i ? : -EFAULT;
 }
+
+
+/*
+ * get a list of pages in an address range belonging to the specified process
+ * and indicate the VMA that covers each page
+ * - this is potentially dodgy as we may end incrementing the page count of a
+ *   slab page or a secondary page from a compound page
+ * - don't permit access to VMAs that don't support it, such as I/O mappings
+ */
+int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+	unsigned long start, int len, int write, int force,
+	struct page **pages, struct vm_area_struct **vmas)
+{
+	int flags = 0;
+
+	if (write)
+		flags |= GUP_FLAGS_WRITE;
+	if (force)
+		flags |= GUP_FLAGS_FORCE;
+
+	return __get_user_pages(tsk, mm,
+				start, len, flags,
+				pages, vmas);
+}
 EXPORT_SYMBOL(get_user_pages);
 
 DEFINE_RWLOCK(vmlist_lock);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4125230a1b2..5886586fde6 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -616,7 +616,11 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
 
 	page->flags &= ~(1 << PG_uptodate | 1 << PG_error | 1 << PG_reclaim |
 			1 << PG_referenced | 1 << PG_arch_1 |
-			1 << PG_owner_priv_1 | 1 << PG_mappedtodisk);
+			1 << PG_owner_priv_1 | 1 << PG_mappedtodisk
+#ifdef CONFIG_UNEVICTABLE_LRU
+			| 1 << PG_mlocked
+#endif
+			);
 	set_page_private(page, 0);
 	set_page_refcounted(page);
 
diff --git a/mm/rmap.c b/mm/rmap.c
index e8d639b16c6..7e60df99018 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -53,6 +53,8 @@
 
 #include <asm/tlbflush.h>
 
+#include "internal.h"
+
 struct kmem_cache *anon_vma_cachep;
 
 /**
@@ -290,6 +292,32 @@ pte_t *page_check_address(struct page *page, struct mm_struct *mm,
 	return NULL;
 }
 
+/**
+ * page_mapped_in_vma - check whether a page is really mapped in a VMA
+ * @page: the page to test
+ * @vma: the VMA to test
+ *
+ * Returns 1 if the page is mapped into the page tables of the VMA, 0
+ * if the page is not mapped into the page tables of this VMA.  Only
+ * valid for normal file or anonymous VMAs.
+ */
+static int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma)
+{
+	unsigned long address;
+	pte_t *pte;
+	spinlock_t *ptl;
+
+	address = vma_address(page, vma);
+	if (address == -EFAULT)		/* out of vma range */
+		return 0;
+	pte = page_check_address(page, vma->vm_mm, address, &ptl, 1);
+	if (!pte)			/* the page is not in this mm */
+		return 0;
+	pte_unmap_unlock(pte, ptl);
+
+	return 1;
+}
+
 /*
  * Subfunctions of page_referenced: page_referenced_one called
  * repeatedly from either page_referenced_anon or page_referenced_file.
@@ -311,10 +339,17 @@ static int page_referenced_one(struct page *page,
 	if (!pte)
 		goto out;
 
+	/*
+	 * Don't want to elevate referenced for mlocked page that gets this far,
+	 * in order that it progresses to try_to_unmap and is moved to the
+	 * unevictable list.
+	 */
 	if (vma->vm_flags & VM_LOCKED) {
-		referenced++;
 		*mapcount = 1;	/* break early from loop */
-	} else if (ptep_clear_flush_young_notify(vma, address, pte))
+		goto out_unmap;
+	}
+
+	if (ptep_clear_flush_young_notify(vma, address, pte))
 		referenced++;
 
 	/* Pretend the page is referenced if the task has the
@@ -323,6 +358,7 @@ static int page_referenced_one(struct page *page,
 			rwsem_is_locked(&mm->mmap_sem))
 		referenced++;
 
+out_unmap:
 	(*mapcount)--;
 	pte_unmap_unlock(pte, ptl);
 out:
@@ -412,11 +448,6 @@ static int page_referenced_file(struct page *page,
 		 */
 		if (mem_cont && !mm_match_cgroup(vma->vm_mm, mem_cont))
 			continue;
-		if ((vma->vm_flags & (VM_LOCKED|VM_MAYSHARE))
-				  == (VM_LOCKED|VM_MAYSHARE)) {
-			referenced++;
-			break;
-		}
 		referenced += page_referenced_one(page, vma, &mapcount);
 		if (!mapcount)
 			break;
@@ -739,11 +770,16 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 	 * If it's recently referenced (perhaps page_referenced
 	 * skipped over this mm) then we should reactivate it.
 	 */
-	if (!migration && ((vma->vm_flags & VM_LOCKED) ||
-			(ptep_clear_flush_young_notify(vma, address, pte)))) {
-		ret = SWAP_FAIL;
-		goto out_unmap;
-	}
+	if (!migration) {
+		if (vma->vm_flags & VM_LOCKED) {
+			ret = SWAP_MLOCK;
+			goto out_unmap;
+		}
+		if (ptep_clear_flush_young_notify(vma, address, pte)) {
+			ret = SWAP_FAIL;
+			goto out_unmap;
+		}
+  	}
 
 	/* Nuke the page table entry. */
 	flush_cache_page(vma, address, page_to_pfn(page));
@@ -824,12 +860,17 @@ out:
  * For very sparsely populated VMAs this is a little inefficient - chances are
  * there there won't be many ptes located within the scan cluster.  In this case
  * maybe we could scan further - to the end of the pte page, perhaps.
+ *
+ * Mlocked pages:  check VM_LOCKED under mmap_sem held for read, if we can
+ * acquire it without blocking.  If vma locked, mlock the pages in the cluster,
+ * rather than unmapping them.  If we encounter the "check_page" that vmscan is
+ * trying to unmap, return SWAP_MLOCK, else default SWAP_AGAIN.
  */
 #define CLUSTER_SIZE	min(32*PAGE_SIZE, PMD_SIZE)
 #define CLUSTER_MASK	(~(CLUSTER_SIZE - 1))
 
-static void try_to_unmap_cluster(unsigned long cursor,
-	unsigned int *mapcount, struct vm_area_struct *vma)
+static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount,
+		struct vm_area_struct *vma, struct page *check_page)
 {
 	struct mm_struct *mm = vma->vm_mm;
 	pgd_t *pgd;
@@ -841,6 +882,8 @@ static void try_to_unmap_cluster(unsigned long cursor,
 	struct page *page;
 	unsigned long address;
 	unsigned long end;
+	int ret = SWAP_AGAIN;
+	int locked_vma = 0;
 
 	address = (vma->vm_start + cursor) & CLUSTER_MASK;
 	end = address + CLUSTER_SIZE;
@@ -851,15 +894,26 @@ static void try_to_unmap_cluster(unsigned long cursor,
 
 	pgd = pgd_offset(mm, address);
 	if (!pgd_present(*pgd))
-		return;
+		return ret;
 
 	pud = pud_offset(pgd, address);
 	if (!pud_present(*pud))
-		return;
+		return ret;
 
 	pmd = pmd_offset(pud, address);
 	if (!pmd_present(*pmd))
-		return;
+		return ret;
+
+	/*
+	 * MLOCK_PAGES => feature is configured.
+	 * if we can acquire the mmap_sem for read, and vma is VM_LOCKED,
+	 * keep the sem while scanning the cluster for mlocking pages.
+	 */
+	if (MLOCK_PAGES && down_read_trylock(&vma->vm_mm->mmap_sem)) {
+		locked_vma = (vma->vm_flags & VM_LOCKED);
+		if (!locked_vma)
+			up_read(&vma->vm_mm->mmap_sem); /* don't need it */
+	}
 
 	pte = pte_offset_map_lock(mm, pmd, address, &ptl);
 
@@ -872,6 +926,13 @@ static void try_to_unmap_cluster(unsigned long cursor,
 		page = vm_normal_page(vma, address, *pte);
 		BUG_ON(!page || PageAnon(page));
 
+		if (locked_vma) {
+			mlock_vma_page(page);   /* no-op if already mlocked */
+			if (page == check_page)
+				ret = SWAP_MLOCK;
+			continue;	/* don't unmap */
+		}
+
 		if (ptep_clear_flush_young_notify(vma, address, pte))
 			continue;
 
@@ -893,39 +954,104 @@ static void try_to_unmap_cluster(unsigned long cursor,
 		(*mapcount)--;
 	}
 	pte_unmap_unlock(pte - 1, ptl);
+	if (locked_vma)
+		up_read(&vma->vm_mm->mmap_sem);
+	return ret;
 }
 
-static int try_to_unmap_anon(struct page *page, int migration)
+/*
+ * common handling for pages mapped in VM_LOCKED vmas
+ */
+static int try_to_mlock_page(struct page *page, struct vm_area_struct *vma)
+{
+	int mlocked = 0;
+
+	if (down_read_trylock(&vma->vm_mm->mmap_sem)) {
+		if (vma->vm_flags & VM_LOCKED) {
+			mlock_vma_page(page);
+			mlocked++;	/* really mlocked the page */
+		}
+		up_read(&vma->vm_mm->mmap_sem);
+	}
+	return mlocked;
+}
+
+/**
+ * try_to_unmap_anon - unmap or unlock anonymous page using the object-based
+ * rmap method
+ * @page: the page to unmap/unlock
+ * @unlock:  request for unlock rather than unmap [unlikely]
+ * @migration:  unmapping for migration - ignored if @unlock
+ *
+ * Find all the mappings of a page using the mapping pointer and the vma chains
+ * contained in the anon_vma struct it points to.
+ *
+ * This function is only called from try_to_unmap/try_to_munlock for
+ * anonymous pages.
+ * When called from try_to_munlock(), the mmap_sem of the mm containing the vma
+ * where the page was found will be held for write.  So, we won't recheck
+ * vm_flags for that VMA.  That should be OK, because that vma shouldn't be
+ * 'LOCKED.
+ */
+static int try_to_unmap_anon(struct page *page, int unlock, int migration)
 {
 	struct anon_vma *anon_vma;
 	struct vm_area_struct *vma;
+	unsigned int mlocked = 0;
 	int ret = SWAP_AGAIN;
 
+	if (MLOCK_PAGES && unlikely(unlock))
+		ret = SWAP_SUCCESS;	/* default for try_to_munlock() */
+
 	anon_vma = page_lock_anon_vma(page);
 	if (!anon_vma)
 		return ret;
 
 	list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
-		ret = try_to_unmap_one(page, vma, migration);
-		if (ret == SWAP_FAIL || !page_mapped(page))
-			break;
+		if (MLOCK_PAGES && unlikely(unlock)) {
+			if (!((vma->vm_flags & VM_LOCKED) &&
+			      page_mapped_in_vma(page, vma)))
+				continue;  /* must visit all unlocked vmas */
+			ret = SWAP_MLOCK;  /* saw at least one mlocked vma */
+		} else {
+			ret = try_to_unmap_one(page, vma, migration);
+			if (ret == SWAP_FAIL || !page_mapped(page))
+				break;
+		}
+		if (ret == SWAP_MLOCK) {
+			mlocked = try_to_mlock_page(page, vma);
+			if (mlocked)
+				break;	/* stop if actually mlocked page */
+		}
 	}
 
 	page_unlock_anon_vma(anon_vma);
+
+	if (mlocked)
+		ret = SWAP_MLOCK;	/* actually mlocked the page */
+	else if (ret == SWAP_MLOCK)
+		ret = SWAP_AGAIN;	/* saw VM_LOCKED vma */
+
 	return ret;
 }
 
 /**
- * try_to_unmap_file - unmap file page using the object-based rmap method
- * @page: the page to unmap
- * @migration: migration flag
+ * try_to_unmap_file - unmap/unlock file page using the object-based rmap method
+ * @page: the page to unmap/unlock
+ * @unlock:  request for unlock rather than unmap [unlikely]
+ * @migration:  unmapping for migration - ignored if @unlock
  *
  * Find all the mappings of a page using the mapping pointer and the vma chains
  * contained in the address_space struct it points to.
  *
- * This function is only called from try_to_unmap for object-based pages.
+ * This function is only called from try_to_unmap/try_to_munlock for
+ * object-based pages.
+ * When called from try_to_munlock(), the mmap_sem of the mm containing the vma
+ * where the page was found will be held for write.  So, we won't recheck
+ * vm_flags for that VMA.  That should be OK, because that vma shouldn't be
+ * 'LOCKED.
  */
-static int try_to_unmap_file(struct page *page, int migration)
+static int try_to_unmap_file(struct page *page, int unlock, int migration)
 {
 	struct address_space *mapping = page->mapping;
 	pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
@@ -936,20 +1062,44 @@ static int try_to_unmap_file(struct page *page, int migration)
 	unsigned long max_nl_cursor = 0;
 	unsigned long max_nl_size = 0;
 	unsigned int mapcount;
+	unsigned int mlocked = 0;
+
+	if (MLOCK_PAGES && unlikely(unlock))
+		ret = SWAP_SUCCESS;	/* default for try_to_munlock() */
 
 	spin_lock(&mapping->i_mmap_lock);
 	vma_prio_tree_foreach(vma, &iter, &mapping->i_mmap, pgoff, pgoff) {
-		ret = try_to_unmap_one(page, vma, migration);
-		if (ret == SWAP_FAIL || !page_mapped(page))
-			goto out;
+		if (MLOCK_PAGES && unlikely(unlock)) {
+			if (!(vma->vm_flags & VM_LOCKED))
+				continue;	/* must visit all vmas */
+			ret = SWAP_MLOCK;
+		} else {
+			ret = try_to_unmap_one(page, vma, migration);
+			if (ret == SWAP_FAIL || !page_mapped(page))
+				goto out;
+		}
+		if (ret == SWAP_MLOCK) {
+			mlocked = try_to_mlock_page(page, vma);
+			if (mlocked)
+				break;  /* stop if actually mlocked page */
+		}
 	}
 
+	if (mlocked)
+		goto out;
+
 	if (list_empty(&mapping->i_mmap_nonlinear))
 		goto out;
 
 	list_for_each_entry(vma, &mapping->i_mmap_nonlinear,
 						shared.vm_set.list) {
-		if ((vma->vm_flags & VM_LOCKED) && !migration)
+		if (MLOCK_PAGES && unlikely(unlock)) {
+			if (!(vma->vm_flags & VM_LOCKED))
+				continue;	/* must visit all vmas */
+			ret = SWAP_MLOCK;	/* leave mlocked == 0 */
+			goto out;		/* no need to look further */
+		}
+		if (!MLOCK_PAGES && !migration && (vma->vm_flags & VM_LOCKED))
 			continue;
 		cursor = (unsigned long) vma->vm_private_data;
 		if (cursor > max_nl_cursor)
@@ -959,7 +1109,7 @@ static int try_to_unmap_file(struct page *page, int migration)
 			max_nl_size = cursor;
 	}
 
-	if (max_nl_size == 0) {	/* any nonlinears locked or reserved */
+	if (max_nl_size == 0) {	/* all nonlinears locked or reserved ? */
 		ret = SWAP_FAIL;
 		goto out;
 	}
@@ -983,12 +1133,16 @@ static int try_to_unmap_file(struct page *page, int migration)
 	do {
 		list_for_each_entry(vma, &mapping->i_mmap_nonlinear,
 						shared.vm_set.list) {
-			if ((vma->vm_flags & VM_LOCKED) && !migration)
+			if (!MLOCK_PAGES && !migration &&
+			    (vma->vm_flags & VM_LOCKED))
 				continue;
 			cursor = (unsigned long) vma->vm_private_data;
 			while ( cursor < max_nl_cursor &&
 				cursor < vma->vm_end - vma->vm_start) {
-				try_to_unmap_cluster(cursor, &mapcount, vma);
+				ret = try_to_unmap_cluster(cursor, &mapcount,
+								vma, page);
+				if (ret == SWAP_MLOCK)
+					mlocked = 2;	/* to return below */
 				cursor += CLUSTER_SIZE;
 				vma->vm_private_data = (void *) cursor;
 				if ((int)mapcount <= 0)
@@ -1009,6 +1163,10 @@ static int try_to_unmap_file(struct page *page, int migration)
 		vma->vm_private_data = NULL;
 out:
 	spin_unlock(&mapping->i_mmap_lock);
+	if (mlocked)
+		ret = SWAP_MLOCK;	/* actually mlocked the page */
+	else if (ret == SWAP_MLOCK)
+		ret = SWAP_AGAIN;	/* saw VM_LOCKED vma */
 	return ret;
 }
 
@@ -1024,6 +1182,7 @@ out:
  * SWAP_SUCCESS	- we succeeded in removing all mappings
  * SWAP_AGAIN	- we missed a mapping, try again later
  * SWAP_FAIL	- the page is unswappable
+ * SWAP_MLOCK	- page is mlocked.
  */
 int try_to_unmap(struct page *page, int migration)
 {
@@ -1032,12 +1191,36 @@ int try_to_unmap(struct page *page, int migration)
 	BUG_ON(!PageLocked(page));
 
 	if (PageAnon(page))
-		ret = try_to_unmap_anon(page, migration);
+		ret = try_to_unmap_anon(page, 0, migration);
 	else
-		ret = try_to_unmap_file(page, migration);
-
-	if (!page_mapped(page))
+		ret = try_to_unmap_file(page, 0, migration);
+	if (ret != SWAP_MLOCK && !page_mapped(page))
 		ret = SWAP_SUCCESS;
 	return ret;
 }
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+/**
+ * try_to_munlock - try to munlock a page
+ * @page: the page to be munlocked
+ *
+ * Called from munlock code.  Checks all of the VMAs mapping the page
+ * to make sure nobody else has this page mlocked. The page will be
+ * returned with PG_mlocked cleared if no other vmas have it mlocked.
+ *
+ * Return values are:
+ *
+ * SWAP_SUCCESS	- no vma's holding page mlocked.
+ * SWAP_AGAIN	- page mapped in mlocked vma -- couldn't acquire mmap sem
+ * SWAP_MLOCK	- page is now mlocked.
+ */
+int try_to_munlock(struct page *page)
+{
+	VM_BUG_ON(!PageLocked(page) || PageLRU(page));
+
+	if (PageAnon(page))
+		return try_to_unmap_anon(page, 1, 0);
+	else
+		return try_to_unmap_file(page, 1, 0);
+}
+#endif
diff --git a/mm/swap.c b/mm/swap.c
index fee6b973f14..bc58c1369dd 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -278,7 +278,7 @@ void lru_add_drain(void)
 	put_cpu();
 }
 
-#ifdef CONFIG_NUMA
+#if defined(CONFIG_NUMA) || defined(CONFIG_UNEVICTABLE_LRU)
 static void lru_add_drain_per_cpu(struct work_struct *dummy)
 {
 	lru_add_drain();
diff --git a/mm/vmscan.c b/mm/vmscan.c
index dfb342e0db9..e5aaaad159e 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -582,11 +582,8 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 
 		sc->nr_scanned++;
 
-		if (unlikely(!page_evictable(page, NULL))) {
-			unlock_page(page);
-			putback_lru_page(page);
-			continue;
-		}
+		if (unlikely(!page_evictable(page, NULL)))
+			goto cull_mlocked;
 
 		if (!sc->may_swap && page_mapped(page))
 			goto keep_locked;
@@ -624,9 +621,19 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 		 * Anonymous process memory has backing store?
 		 * Try to allocate it some swap space here.
 		 */
-		if (PageAnon(page) && !PageSwapCache(page))
+		if (PageAnon(page) && !PageSwapCache(page)) {
+			switch (try_to_munlock(page)) {
+			case SWAP_FAIL:		/* shouldn't happen */
+			case SWAP_AGAIN:
+				goto keep_locked;
+			case SWAP_MLOCK:
+				goto cull_mlocked;
+			case SWAP_SUCCESS:
+				; /* fall thru'; add to swap cache */
+			}
 			if (!add_to_swap(page, GFP_ATOMIC))
 				goto activate_locked;
+		}
 #endif /* CONFIG_SWAP */
 
 		mapping = page_mapping(page);
@@ -641,6 +648,8 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 				goto activate_locked;
 			case SWAP_AGAIN:
 				goto keep_locked;
+			case SWAP_MLOCK:
+				goto cull_mlocked;
 			case SWAP_SUCCESS:
 				; /* try to free the page below */
 			}
@@ -731,6 +740,11 @@ free_it:
 		}
 		continue;
 
+cull_mlocked:
+		unlock_page(page);
+		putback_lru_page(page);
+		continue;
+
 activate_locked:
 		/* Not a candidate for swapping, so reclaim swap space. */
 		if (PageSwapCache(page) && vm_swap_full())
@@ -742,7 +756,7 @@ keep_locked:
 		unlock_page(page);
 keep:
 		list_add(&page->lru, &ret_pages);
-		VM_BUG_ON(PageLRU(page));
+		VM_BUG_ON(PageLRU(page) || PageUnevictable(page));
 	}
 	list_splice(&ret_pages, page_list);
 	if (pagevec_count(&freed_pvec))
@@ -2329,12 +2343,13 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
  * @vma: the VMA in which the page is or will be mapped, may be NULL
  *
  * Test whether page is evictable--i.e., should be placed on active/inactive
- * lists vs unevictable list.
+ * lists vs unevictable list.  The vma argument is !NULL when called from the
+ * fault path to determine how to instantate a new page.
  *
  * Reasons page might not be evictable:
  * (1) page's mapping marked unevictable
+ * (2) page is part of an mlocked VMA
  *
- * TODO - later patches
  */
 int page_evictable(struct page *page, struct vm_area_struct *vma)
 {
@@ -2342,7 +2357,8 @@ int page_evictable(struct page *page, struct vm_area_struct *vma)
 	if (mapping_unevictable(page_mapping(page)))
 		return 0;
 
-	/* TODO:  test page [!]evictable conditions */
+	if (PageMlocked(page) || (vma && is_mlocked_vma(vma, page)))
+		return 0;
 
 	return 1;
 }
-- 
GitLab


From fa07e787733416c42938a310a8e717295934e33c Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:47 -0700
Subject: [PATCH 1366/2224] doc: unevictable LRU and mlocked pages
 documentation

Documentation for unevictable lru list and its usage.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/vm/unevictable-lru.txt | 615 +++++++++++++++++++++++++++
 1 file changed, 615 insertions(+)
 create mode 100644 Documentation/vm/unevictable-lru.txt

diff --git a/Documentation/vm/unevictable-lru.txt b/Documentation/vm/unevictable-lru.txt
new file mode 100644
index 00000000000..125eed560e5
--- /dev/null
+++ b/Documentation/vm/unevictable-lru.txt
@@ -0,0 +1,615 @@
+
+This document describes the Linux memory management "Unevictable LRU"
+infrastructure and the use of this infrastructure to manage several types
+of "unevictable" pages.  The document attempts to provide the overall
+rationale behind this mechanism and the rationale for some of the design
+decisions that drove the implementation.  The latter design rationale is
+discussed in the context of an implementation description.  Admittedly, one
+can obtain the implementation details--the "what does it do?"--by reading the
+code.  One hopes that the descriptions below add value by provide the answer
+to "why does it do that?".
+
+Unevictable LRU Infrastructure:
+
+The Unevictable LRU adds an additional LRU list to track unevictable pages
+and to hide these pages from vmscan.  This mechanism is based on a patch by
+Larry Woodman of Red Hat to address several scalability problems with page
+reclaim in Linux.  The problems have been observed at customer sites on large
+memory x86_64 systems.  For example, a non-numal x86_64 platform with 128GB
+of main memory will have over 32 million 4k pages in a single zone.  When a
+large fraction of these pages are not evictable for any reason [see below],
+vmscan will spend a lot of time scanning the LRU lists looking for the small
+fraction of pages that are evictable.  This can result in a situation where
+all cpus are spending 100% of their time in vmscan for hours or days on end,
+with the system completely unresponsive.
+
+The Unevictable LRU infrastructure addresses the following classes of
+unevictable pages:
+
++ page owned by ramfs
++ page mapped into SHM_LOCKed shared memory regions
++ page mapped into VM_LOCKED [mlock()ed] vmas
+
+The infrastructure might be able to handle other conditions that make pages
+unevictable, either by definition or by circumstance, in the future.
+
+
+The Unevictable LRU List
+
+The Unevictable LRU infrastructure consists of an additional, per-zone, LRU list
+called the "unevictable" list and an associated page flag, PG_unevictable, to
+indicate that the page is being managed on the unevictable list.  The
+PG_unevictable flag is analogous to, and mutually exclusive with, the PG_active
+flag in that it indicates on which LRU list a page resides when PG_lru is set.
+The unevictable LRU list is source configurable based on the UNEVICTABLE_LRU
+Kconfig option.
+
+The Unevictable LRU infrastructure maintains unevictable pages on an additional
+LRU list for a few reasons:
+
+1) We get to "treat unevictable pages just like we treat other pages in the
+   system, which means we get to use the same code to manipulate them, the
+   same code to isolate them (for migrate, etc.), the same code to keep track
+   of the statistics, etc..." [Rik van Riel]
+
+2) We want to be able to migrate unevictable pages between nodes--for memory
+   defragmentation, workload management and memory hotplug.  The linux kernel
+   can only migrate pages that it can successfully isolate from the lru lists.
+   If we were to maintain pages elsewise than on an lru-like list, where they
+   can be found by isolate_lru_page(), we would prevent their migration, unless
+   we reworked migration code to find the unevictable pages.
+
+
+The unevictable LRU list does not differentiate between file backed and swap
+backed [anon] pages.  This differentiation is only important while the pages
+are, in fact, evictable.
+
+The unevictable LRU list benefits from the "arrayification" of the per-zone
+LRU lists and statistics originally proposed and posted by Christoph Lameter.
+
+The unevictable list does not use the lru pagevec mechanism. Rather,
+unevictable pages are placed directly on the page's zone's unevictable
+list under the zone lru_lock.  The reason for this is to prevent stranding
+of pages on the unevictable list when one task has the page isolated from the
+lru and other tasks are changing the "evictability" state of the page.
+
+
+Unevictable LRU and Memory Controller Interaction
+
+The memory controller data structure automatically gets a per zone unevictable
+lru list as a result of the "arrayification" of the per-zone LRU lists.  The
+memory controller tracks the movement of pages to and from the unevictable list.
+When a memory control group comes under memory pressure, the controller will
+not attempt to reclaim pages on the unevictable list.  This has a couple of
+effects.  Because the pages are "hidden" from reclaim on the unevictable list,
+the reclaim process can be more efficient, dealing only with pages that have
+a chance of being reclaimed.  On the other hand, if too many of the pages
+charged to the control group are unevictable, the evictable portion of the
+working set of the tasks in the control group may not fit into the available
+memory.  This can cause the control group to thrash or to oom-kill tasks.
+
+
+Unevictable LRU:  Detecting Unevictable Pages
+
+The function page_evictable(page, vma) in vmscan.c determines whether a
+page is evictable or not.  For ramfs pages and pages in SHM_LOCKed regions,
+page_evictable() tests a new address space flag, AS_UNEVICTABLE, in the page's
+address space using a wrapper function.  Wrapper functions are used to set,
+clear and test the flag to reduce the requirement for #ifdef's throughout the
+source code.  AS_UNEVICTABLE is set on ramfs inode/mapping when it is created.
+This flag remains for the life of the inode.
+
+For shared memory regions, AS_UNEVICTABLE is set when an application
+successfully SHM_LOCKs the region and is removed when the region is
+SHM_UNLOCKed.  Note that shmctl(SHM_LOCK, ...) does not populate the page
+tables for the region as does, for example, mlock().   So, we make no special
+effort to push any pages in the SHM_LOCKed region to the unevictable list.
+Vmscan will do this when/if it encounters the pages during reclaim.  On
+SHM_UNLOCK, shmctl() scans the pages in the region and "rescues" them from the
+unevictable list if no other condition keeps them unevictable.  If a SHM_LOCKed
+region is destroyed, the pages are also "rescued" from the unevictable list in
+the process of freeing them.
+
+page_evictable() detects mlock()ed pages by testing an additional page flag,
+PG_mlocked via the PageMlocked() wrapper.  If the page is NOT mlocked, and a
+non-NULL vma is supplied, page_evictable() will check whether the vma is
+VM_LOCKED via is_mlocked_vma().  is_mlocked_vma() will SetPageMlocked() and
+update the appropriate statistics if the vma is VM_LOCKED.  This method allows
+efficient "culling" of pages in the fault path that are being faulted in to
+VM_LOCKED vmas.
+
+
+Unevictable Pages and Vmscan [shrink_*_list()]
+
+If unevictable pages are culled in the fault path, or moved to the unevictable
+list at mlock() or mmap() time, vmscan will never encounter the pages until
+they have become evictable again, for example, via munlock() and have been
+"rescued" from the unevictable list.  However, there may be situations where we
+decide, for the sake of expediency, to leave a unevictable page on one of the
+regular active/inactive LRU lists for vmscan to deal with.  Vmscan checks for
+such pages in all of the shrink_{active|inactive|page}_list() functions and
+will "cull" such pages that it encounters--that is, it diverts those pages to
+the unevictable list for the zone being scanned.
+
+There may be situations where a page is mapped into a VM_LOCKED vma, but the
+page is not marked as PageMlocked.  Such pages will make it all the way to
+shrink_page_list() where they will be detected when vmscan walks the reverse
+map in try_to_unmap().  If try_to_unmap() returns SWAP_MLOCK, shrink_page_list()
+will cull the page at that point.
+
+Note that for anonymous pages, shrink_page_list() attempts to add the page to
+the swap cache before it tries to unmap the page.  To avoid this unnecessary
+consumption of swap space, shrink_page_list() calls try_to_munlock() to check
+whether any VM_LOCKED vmas map the page without attempting to unmap the page.
+If try_to_munlock() returns SWAP_MLOCK, shrink_page_list() will cull the page
+without consuming swap space.  try_to_munlock() will be described below.
+
+To "cull" an unevictable page, vmscan simply puts the page back on the lru
+list using putback_lru_page()--the inverse operation to isolate_lru_page()--
+after dropping the page lock.  Because the condition which makes the page
+unevictable may change once the page is unlocked, putback_lru_page() will
+recheck the unevictable state of a page that it places on the unevictable lru
+list.  If the page has become unevictable, putback_lru_page() removes it from
+the list and retries, including the page_unevictable() test.  Because such a
+race is a rare event and movement of pages onto the unevictable list should be
+rare, these extra evictabilty checks should not occur in the majority of calls
+to putback_lru_page().
+
+
+Mlocked Page:  Prior Work
+
+The "Unevictable Mlocked Pages" infrastructure is based on work originally
+posted by Nick Piggin in an RFC patch entitled "mm: mlocked pages off LRU".
+Nick posted his patch as an alternative to a patch posted by Christoph
+Lameter to achieve the same objective--hiding mlocked pages from vmscan.
+In Nick's patch, he used one of the struct page lru list link fields as a count
+of VM_LOCKED vmas that map the page.  This use of the link field for a count
+prevented the management of the pages on an LRU list.  Thus, mlocked pages were
+not migratable as isolate_lru_page() could not find them and the lru list link
+field was not available to the migration subsystem.  Nick resolved this by
+putting mlocked pages back on the lru list before attempting to isolate them,
+thus abandoning the count of VM_LOCKED vmas.  When Nick's patch was integrated
+with the Unevictable LRU work, the count was replaced by walking the reverse
+map to determine whether any VM_LOCKED vmas mapped the page.  More on this
+below.
+
+
+Mlocked Pages:  Basic Management
+
+Mlocked pages--pages mapped into a VM_LOCKED vma--represent one class of
+unevictable pages.  When such a page has been "noticed" by the memory
+management subsystem, the page is marked with the PG_mlocked [PageMlocked()]
+flag.  A PageMlocked() page will be placed on the unevictable LRU list when
+it is added to the LRU.   Pages can be "noticed" by memory management in
+several places:
+
+1) in the mlock()/mlockall() system call handlers.
+2) in the mmap() system call handler when mmap()ing a region with the
+   MAP_LOCKED flag, or mmap()ing a region in a task that has called
+   mlockall() with the MCL_FUTURE flag.  Both of these conditions result
+   in the VM_LOCKED flag being set for the vma.
+3) in the fault path, if mlocked pages are "culled" in the fault path,
+   and when a VM_LOCKED stack segment is expanded.
+4) as mentioned above, in vmscan:shrink_page_list() with attempting to
+   reclaim a page in a VM_LOCKED vma--via try_to_unmap() or try_to_munlock().
+
+Mlocked pages become unlocked and rescued from the unevictable list when:
+
+1) mapped in a range unlocked via the munlock()/munlockall() system calls.
+2) munmapped() out of the last VM_LOCKED vma that maps the page, including
+   unmapping at task exit.
+3) when the page is truncated from the last VM_LOCKED vma of an mmap()ed file.
+4) before a page is COWed in a VM_LOCKED vma.
+
+
+Mlocked Pages:  mlock()/mlockall() System Call Handling
+
+Both [do_]mlock() and [do_]mlockall() system call handlers call mlock_fixup()
+for each vma in the range specified by the call.  In the case of mlockall(),
+this is the entire active address space of the task.  Note that mlock_fixup()
+is used for both mlock()ing and munlock()ing a range of memory.  A call to
+mlock() an already VM_LOCKED vma, or to munlock() a vma that is not VM_LOCKED
+is treated as a no-op--mlock_fixup() simply returns.
+
+If the vma passes some filtering described in "Mlocked Pages:  Filtering Vmas"
+below, mlock_fixup() will attempt to merge the vma with its neighbors or split
+off a subset of the vma if the range does not cover the entire vma.  Once the
+vma has been merged or split or neither, mlock_fixup() will call
+__mlock_vma_pages_range() to fault in the pages via get_user_pages() and
+to mark the pages as mlocked via mlock_vma_page().
+
+Note that the vma being mlocked might be mapped with PROT_NONE.  In this case,
+get_user_pages() will be unable to fault in the pages.  That's OK.  If pages
+do end up getting faulted into this VM_LOCKED vma, we'll handle them in the
+fault path or in vmscan.
+
+Also note that a page returned by get_user_pages() could be truncated or
+migrated out from under us, while we're trying to mlock it.  To detect
+this, __mlock_vma_pages_range() tests the page_mapping after acquiring
+the page lock.  If the page is still associated with its mapping, we'll
+go ahead and call mlock_vma_page().  If the mapping is gone, we just
+unlock the page and move on.  Worse case, this results in page mapped
+in a VM_LOCKED vma remaining on a normal LRU list without being
+PageMlocked().  Again, vmscan will detect and cull such pages.
+
+mlock_vma_page(), called with the page locked [N.B., not "mlocked"], will
+TestSetPageMlocked() for each page returned by get_user_pages().  We use
+TestSetPageMlocked() because the page might already be mlocked by another
+task/vma and we don't want to do extra work.  We especially do not want to
+count an mlocked page more than once in the statistics.  If the page was
+already mlocked, mlock_vma_page() is done.
+
+If the page was NOT already mlocked, mlock_vma_page() attempts to isolate the
+page from the LRU, as it is likely on the appropriate active or inactive list
+at that time.  If the isolate_lru_page() succeeds, mlock_vma_page() will
+putback the page--putback_lru_page()--which will notice that the page is now
+mlocked and divert the page to the zone's unevictable LRU list.  If
+mlock_vma_page() is unable to isolate the page from the LRU, vmscan will handle
+it later if/when it attempts to reclaim the page.
+
+
+Mlocked Pages:  Filtering Special Vmas
+
+mlock_fixup() filters several classes of "special" vmas:
+
+1) vmas with VM_IO|VM_PFNMAP set are skipped entirely.  The pages behind
+   these mappings are inherently pinned, so we don't need to mark them as
+   mlocked.  In any case, most of the pages have no struct page in which to
+   so mark the page.  Because of this, get_user_pages() will fail for these
+   vmas, so there is no sense in attempting to visit them.
+
+2) vmas mapping hugetlbfs page are already effectively pinned into memory.
+   We don't need nor want to mlock() these pages.  However, to preserve the
+   prior behavior of mlock()--before the unevictable/mlock changes--mlock_fixup()
+   will call make_pages_present() in the hugetlbfs vma range to allocate the
+   huge pages and populate the ptes.
+
+3) vmas with VM_DONTEXPAND|VM_RESERVED are generally user space mappings of
+   kernel pages, such as the vdso page, relay channel pages, etc.  These pages
+   are inherently unevictable and are not managed on the LRU lists.
+   mlock_fixup() treats these vmas the same as hugetlbfs vmas.  It calls
+   make_pages_present() to populate the ptes.
+
+Note that for all of these special vmas, mlock_fixup() does not set the
+VM_LOCKED flag.  Therefore, we won't have to deal with them later during
+munlock() or munmap()--for example, at task exit.  Neither does mlock_fixup()
+account these vmas against the task's "locked_vm".
+
+Mlocked Pages:  Downgrading the Mmap Semaphore.
+
+mlock_fixup() must be called with the mmap semaphore held for write, because
+it may have to merge or split vmas.  However, mlocking a large region of
+memory can take a long time--especially if vmscan must reclaim pages to
+satisfy the regions requirements.  Faulting in a large region with the mmap
+semaphore held for write can hold off other faults on the address space, in
+the case of a multi-threaded task.  It can also hold off scans of the task's
+address space via /proc.  While testing under heavy load, it was observed that
+the ps(1) command could be held off for many minutes while a large segment was
+mlock()ed down.
+
+To address this issue, and to make the system more responsive during mlock()ing
+of large segments, mlock_fixup() downgrades the mmap semaphore to read mode
+during the call to __mlock_vma_pages_range().  This works fine.  However, the
+callers of mlock_fixup() expect the semaphore to be returned in write mode.
+So, mlock_fixup() "upgrades" the semphore to write mode.  Linux does not
+support an atomic upgrade_sem() call, so mlock_fixup() must drop the semaphore
+and reacquire it in write mode.  In a multi-threaded task, it is possible for
+the task memory map to change while the semaphore is dropped.  Therefore,
+mlock_fixup() looks up the vma at the range start address after reacquiring
+the semaphore in write mode and verifies that it still covers the original
+range.  If not, mlock_fixup() returns an error [-EAGAIN].  All callers of
+mlock_fixup() have been changed to deal with this new error condition.
+
+Note:  when munlocking a region, all of the pages should already be resident--
+unless we have racing threads mlocking() and munlocking() regions.  So,
+unlocking should not have to wait for page allocations nor faults  of any kind.
+Therefore mlock_fixup() does not downgrade the semaphore for munlock().
+
+
+Mlocked Pages:  munlock()/munlockall() System Call Handling
+
+The munlock() and munlockall() system calls are handled by the same functions--
+do_mlock[all]()--as the mlock() and mlockall() system calls with the unlock
+vs lock operation indicated by an argument.  So, these system calls are also
+handled by mlock_fixup().  Again, if called for an already munlock()ed vma,
+mlock_fixup() simply returns.  Because of the vma filtering discussed above,
+VM_LOCKED will not be set in any "special" vmas.  So, these vmas will be
+ignored for munlock.
+
+If the vma is VM_LOCKED, mlock_fixup() again attempts to merge or split off
+the specified range.  The range is then munlocked via the function
+__mlock_vma_pages_range()--the same function used to mlock a vma range--
+passing a flag to indicate that munlock() is being performed.
+
+Because the vma access protections could have been changed to PROT_NONE after
+faulting in and mlocking some pages, get_user_pages() was unreliable for visiting
+these pages for munlocking.  Because we don't want to leave pages mlocked(),
+get_user_pages() was enhanced to accept a flag to ignore the permissions when
+fetching the pages--all of which should be resident as a result of previous
+mlock()ing.
+
+For munlock(), __mlock_vma_pages_range() unlocks individual pages by calling
+munlock_vma_page().  munlock_vma_page() unconditionally clears the PG_mlocked
+flag using TestClearPageMlocked().  As with mlock_vma_page(), munlock_vma_page()
+use the Test*PageMlocked() function to handle the case where the page might
+have already been unlocked by another task.  If the page was mlocked,
+munlock_vma_page() updates that zone statistics for the number of mlocked
+pages.  Note, however, that at this point we haven't checked whether the page
+is mapped by other VM_LOCKED vmas.
+
+We can't call try_to_munlock(), the function that walks the reverse map to check
+for other VM_LOCKED vmas, without first isolating the page from the LRU.
+try_to_munlock() is a variant of try_to_unmap() and thus requires that the page
+not be on an lru list.  [More on these below.]  However, the call to
+isolate_lru_page() could fail, in which case we couldn't try_to_munlock().
+So, we go ahead and clear PG_mlocked up front, as this might be the only chance
+we have.  If we can successfully isolate the page, we go ahead and
+try_to_munlock(), which will restore the PG_mlocked flag and update the zone
+page statistics if it finds another vma holding the page mlocked.  If we fail
+to isolate the page, we'll have left a potentially mlocked page on the LRU.
+This is fine, because we'll catch it later when/if vmscan tries to reclaim the
+page.  This should be relatively rare.
+
+Mlocked Pages:  Migrating Them...
+
+A page that is being migrated has been isolated from the lru lists and is
+held locked across unmapping of the page, updating the page's mapping
+[address_space] entry and copying the contents and state, until the
+page table entry has been replaced with an entry that refers to the new
+page.  Linux supports migration of mlocked pages and other unevictable
+pages.  This involves simply moving the PageMlocked and PageUnevictable states
+from the old page to the new page.
+
+Note that page migration can race with mlocking or munlocking of the same
+page.  This has been discussed from the mlock/munlock perspective in the
+respective sections above.  Both processes [migration, m[un]locking], hold
+the page locked.  This provides the first level of synchronization.  Page
+migration zeros out the page_mapping of the old page before unlocking it,
+so m[un]lock can skip these pages by testing the page mapping under page
+lock.
+
+When completing page migration, we place the new and old pages back onto the
+lru after dropping the page lock.  The "unneeded" page--old page on success,
+new page on failure--will be freed when the reference count held by the
+migration process is released.  To ensure that we don't strand pages on the
+unevictable list because of a race between munlock and migration, page
+migration uses the putback_lru_page() function to add migrated pages back to
+the lru.
+
+
+Mlocked Pages:  mmap(MAP_LOCKED) System Call Handling
+
+In addition the the mlock()/mlockall() system calls, an application can request
+that a region of memory be mlocked using the MAP_LOCKED flag with the mmap()
+call.  Furthermore, any mmap() call or brk() call that expands the heap by a
+task that has previously called mlockall() with the MCL_FUTURE flag will result
+in the newly mapped memory being mlocked.  Before the unevictable/mlock changes,
+the kernel simply called make_pages_present() to allocate pages and populate
+the page table.
+
+To mlock a range of memory under the unevictable/mlock infrastructure, the
+mmap() handler and task address space expansion functions call
+mlock_vma_pages_range() specifying the vma and the address range to mlock.
+mlock_vma_pages_range() filters vmas like mlock_fixup(), as described above in
+"Mlocked Pages:  Filtering Vmas".  It will clear the VM_LOCKED flag, which will
+have already been set by the caller, in filtered vmas.  Thus these vma's need
+not be visited for munlock when the region is unmapped.
+
+For "normal" vmas, mlock_vma_pages_range() calls __mlock_vma_pages_range() to
+fault/allocate the pages and mlock them.  Again, like mlock_fixup(),
+mlock_vma_pages_range() downgrades the mmap semaphore to read mode before
+attempting to fault/allocate and mlock the pages; and "upgrades" the semaphore
+back to write mode before returning.
+
+The callers of mlock_vma_pages_range() will have already added the memory
+range to be mlocked to the task's "locked_vm".  To account for filtered vmas,
+mlock_vma_pages_range() returns the number of pages NOT mlocked.  All of the
+callers then subtract a non-negative return value from the task's locked_vm.
+A negative return value represent an error--for example, from get_user_pages()
+attempting to fault in a vma with PROT_NONE access.  In this case, we leave
+the memory range accounted as locked_vm, as the protections could be changed
+later and pages allocated into that region.
+
+
+Mlocked Pages:  munmap()/exit()/exec() System Call Handling
+
+When unmapping an mlocked region of memory, whether by an explicit call to
+munmap() or via an internal unmap from exit() or exec() processing, we must
+munlock the pages if we're removing the last VM_LOCKED vma that maps the pages.
+Before the unevictable/mlock changes, mlocking did not mark the pages in any way,
+so unmapping them required no processing.
+
+To munlock a range of memory under the unevictable/mlock infrastructure, the
+munmap() hander and task address space tear down function call
+munlock_vma_pages_all().  The name reflects the observation that one always
+specifies the entire vma range when munlock()ing during unmap of a region.
+Because of the vma filtering when mlocking() regions, only "normal" vmas that
+actually contain mlocked pages will be passed to munlock_vma_pages_all().
+
+munlock_vma_pages_all() clears the VM_LOCKED vma flag and, like mlock_fixup()
+for the munlock case, calls __munlock_vma_pages_range() to walk the page table
+for the vma's memory range and munlock_vma_page() each resident page mapped by
+the vma.  This effectively munlocks the page, only if this is the last
+VM_LOCKED vma that maps the page.
+
+
+Mlocked Page:  try_to_unmap()
+
+[Note:  the code changes represented by this section are really quite small
+compared to the text to describe what happening and why, and to discuss the
+implications.]
+
+Pages can, of course, be mapped into multiple vmas.  Some of these vmas may
+have VM_LOCKED flag set.  It is possible for a page mapped into one or more
+VM_LOCKED vmas not to have the PG_mlocked flag set and therefore reside on one
+of the active or inactive LRU lists.  This could happen if, for example, a
+task in the process of munlock()ing the page could not isolate the page from
+the LRU.  As a result, vmscan/shrink_page_list() might encounter such a page
+as described in "Unevictable Pages and Vmscan [shrink_*_list()]".  To
+handle this situation, try_to_unmap() has been enhanced to check for VM_LOCKED
+vmas while it is walking a page's reverse map.
+
+try_to_unmap() is always called, by either vmscan for reclaim or for page
+migration, with the argument page locked and isolated from the LRU.  BUG_ON()
+assertions enforce this requirement.  Separate functions handle anonymous and
+mapped file pages, as these types of pages have different reverse map
+mechanisms.
+
+	try_to_unmap_anon()
+
+To unmap anonymous pages, each vma in the list anchored in the anon_vma must be
+visited--at least until a VM_LOCKED vma is encountered.  If the page is being
+unmapped for migration, VM_LOCKED vmas do not stop the process because mlocked
+pages are migratable.  However, for reclaim, if the page is mapped into a
+VM_LOCKED vma, the scan stops.  try_to_unmap() attempts to acquire the mmap
+semphore of the mm_struct to which the vma belongs in read mode.  If this is
+successful, try_to_unmap() will mlock the page via mlock_vma_page()--we
+wouldn't have gotten to try_to_unmap() if the page were already mlocked--and
+will return SWAP_MLOCK, indicating that the page is unevictable.  If the
+mmap semaphore cannot be acquired, we are not sure whether the page is really
+unevictable or not.  In this case, try_to_unmap() will return SWAP_AGAIN.
+
+	try_to_unmap_file() -- linear mappings
+
+Unmapping of a mapped file page works the same, except that the scan visits
+all vmas that maps the page's index/page offset in the page's mapping's
+reverse map priority search tree.  It must also visit each vma in the page's
+mapping's non-linear list, if the list is non-empty.  As for anonymous pages,
+on encountering a VM_LOCKED vma for a mapped file page, try_to_unmap() will
+attempt to acquire the associated mm_struct's mmap semaphore to mlock the page,
+returning SWAP_MLOCK if this is successful, and SWAP_AGAIN, if not.
+
+	try_to_unmap_file() -- non-linear mappings
+
+If a page's mapping contains a non-empty non-linear mapping vma list, then
+try_to_un{map|lock}() must also visit each vma in that list to determine
+whether the page is mapped in a VM_LOCKED vma.  Again, the scan must visit
+all vmas in the non-linear list to ensure that the pages is not/should not be
+mlocked.  If a VM_LOCKED vma is found in the list, the scan could terminate.
+However, there is no easy way to determine whether the page is actually mapped
+in a given vma--either for unmapping or testing whether the VM_LOCKED vma
+actually pins the page.
+
+So, try_to_unmap_file() handles non-linear mappings by scanning a certain
+number of pages--a "cluster"--in each non-linear vma associated with the page's
+mapping, for each file mapped page that vmscan tries to unmap.  If this happens
+to unmap the page we're trying to unmap, try_to_unmap() will notice this on
+return--(page_mapcount(page) == 0)--and return SWAP_SUCCESS.  Otherwise, it
+will return SWAP_AGAIN, causing vmscan to recirculate this page.  We take
+advantage of the cluster scan in try_to_unmap_cluster() as follows:
+
+For each non-linear vma, try_to_unmap_cluster() attempts to acquire the mmap
+semaphore of the associated mm_struct for read without blocking.  If this
+attempt is successful and the vma is VM_LOCKED, try_to_unmap_cluster() will
+retain the mmap semaphore for the scan; otherwise it drops it here.  Then,
+for each page in the cluster, if we're holding the mmap semaphore for a locked
+vma, try_to_unmap_cluster() calls mlock_vma_page() to mlock the page.  This
+call is a no-op if the page is already locked, but will mlock any pages in
+the non-linear mapping that happen to be unlocked.  If one of the pages so
+mlocked is the page passed in to try_to_unmap(), try_to_unmap_cluster() will
+return SWAP_MLOCK, rather than the default SWAP_AGAIN.  This will allow vmscan
+to cull the page, rather than recirculating it on the inactive list.  Again,
+if try_to_unmap_cluster() cannot acquire the vma's mmap sem, it returns
+SWAP_AGAIN, indicating that the page is mapped by a VM_LOCKED vma, but
+couldn't be mlocked.
+
+
+Mlocked pages:  try_to_munlock() Reverse Map Scan
+
+TODO/FIXME:  a better name might be page_mlocked()--analogous to the
+page_referenced() reverse map walker--especially if we continue to call this
+from shrink_page_list().  See related TODO/FIXME below.
+
+When munlock_vma_page()--see "Mlocked Pages:  munlock()/munlockall() System
+Call Handling" above--tries to munlock a page, or when shrink_page_list()
+encounters an anonymous page that is not yet in the swap cache, they need to
+determine whether or not the page is mapped by any VM_LOCKED vma, without
+actually attempting to unmap all ptes from the page.  For this purpose, the
+unevictable/mlock infrastructure introduced a variant of try_to_unmap() called
+try_to_munlock().
+
+try_to_munlock() calls the same functions as try_to_unmap() for anonymous and
+mapped file pages with an additional argument specifing unlock versus unmap
+processing.  Again, these functions walk the respective reverse maps looking
+for VM_LOCKED vmas.  When such a vma is found for anonymous pages and file
+pages mapped in linear VMAs, as in the try_to_unmap() case, the functions
+attempt to acquire the associated mmap semphore, mlock the page via
+mlock_vma_page() and return SWAP_MLOCK.  This effectively undoes the
+pre-clearing of the page's PG_mlocked done by munlock_vma_page() and informs
+shrink_page_list() that the anonymous page should be culled rather than added
+to the swap cache in preparation for a try_to_unmap() that will almost
+certainly fail.
+
+If try_to_unmap() is unable to acquire a VM_LOCKED vma's associated mmap
+semaphore, it will return SWAP_AGAIN.  This will allow shrink_page_list()
+to recycle the page on the inactive list and hope that it has better luck
+with the page next time.
+
+For file pages mapped into non-linear vmas, the try_to_munlock() logic works
+slightly differently.  On encountering a VM_LOCKED non-linear vma that might
+map the page, try_to_munlock() returns SWAP_AGAIN without actually mlocking
+the page.  munlock_vma_page() will just leave the page unlocked and let
+vmscan deal with it--the usual fallback position.
+
+Note that try_to_munlock()'s reverse map walk must visit every vma in a pages'
+reverse map to determine that a page is NOT mapped into any VM_LOCKED vma.
+However, the scan can terminate when it encounters a VM_LOCKED vma and can
+successfully acquire the vma's mmap semphore for read and mlock the page.
+Although try_to_munlock() can be called many [very many!] times when
+munlock()ing a large region or tearing down a large address space that has been
+mlocked via mlockall(), overall this is a fairly rare event.  In addition,
+although shrink_page_list() calls try_to_munlock() for every anonymous page that
+it handles that is not yet in the swap cache, on average anonymous pages will
+have very short reverse map lists.
+
+Mlocked Page:  Page Reclaim in shrink_*_list()
+
+shrink_active_list() culls any obviously unevictable pages--i.e.,
+!page_evictable(page, NULL)--diverting these to the unevictable lru
+list.  However, shrink_active_list() only sees unevictable pages that
+made it onto the active/inactive lru lists.  Note that these pages do not
+have PageUnevictable set--otherwise, they would be on the unevictable list and
+shrink_active_list would never see them.
+
+Some examples of these unevictable pages on the LRU lists are:
+
+1) ramfs pages that have been placed on the lru lists when first allocated.
+
+2) SHM_LOCKed shared memory pages.  shmctl(SHM_LOCK) does not attempt to
+   allocate or fault in the pages in the shared memory region.  This happens
+   when an application accesses the page the first time after SHM_LOCKing
+   the segment.
+
+3) Mlocked pages that could not be isolated from the lru and moved to the
+   unevictable list in mlock_vma_page().
+
+3) Pages mapped into multiple VM_LOCKED vmas, but try_to_munlock() couldn't
+   acquire the vma's mmap semaphore to test the flags and set PageMlocked.
+   munlock_vma_page() was forced to let the page back on to the normal
+   LRU list for vmscan to handle.
+
+shrink_inactive_list() also culls any unevictable pages that it finds
+on the inactive lists, again diverting them to the appropriate zone's unevictable
+lru list.  shrink_inactive_list() should only see SHM_LOCKed pages that became
+SHM_LOCKed after shrink_active_list() had moved them to the inactive list, or
+pages mapped into VM_LOCKED vmas that munlock_vma_page() couldn't isolate from
+the lru to recheck via try_to_munlock().  shrink_inactive_list() won't notice
+the latter, but will pass on to shrink_page_list().
+
+shrink_page_list() again culls obviously unevictable pages that it could
+encounter for similar reason to shrink_inactive_list().  As already discussed,
+shrink_page_list() proactively looks for anonymous pages that should have
+PG_mlocked set but don't--these would not be detected by page_evictable()--to
+avoid adding them to the swap cache unnecessarily.  File pages mapped into
+VM_LOCKED vmas but without PG_mlocked set will make it all the way to
+try_to_unmap().  shrink_page_list() will divert them to the unevictable list when
+try_to_unmap() returns SWAP_MLOCK, as discussed above.
+
+TODO/FIXME:  If we can enhance the swap cache to reliably remove entries
+with page_count(page) > 2, as long as all ptes are mapped to the page and
+not the swap entry, we can probably remove the call to try_to_munlock() in
+shrink_page_list() and just remove the page from the swap cache when
+try_to_unmap() returns SWAP_MLOCK.   Currently, remove_exclusive_swap_page()
+doesn't seem to allow that.
+
+
-- 
GitLab


From 8edb08caf68184fb170f4f69c7445929e199eaea Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:49 -0700
Subject: [PATCH 1367/2224] mlock: downgrade mmap sem while populating mlocked
 regions

We need to hold the mmap_sem for write to initiatate mlock()/munlock()
because we may need to merge/split vmas.  However, this can lead to very
long lock hold times attempting to fault in a large memory region to mlock
it into memory.  This can hold off other faults against the mm
[multithreaded tasks] and other scans of the mm, such as via /proc.  To
alleviate this, downgrade the mmap_sem to read mode during the population
of the region for locking.  This is especially the case if we need to
reclaim memory to lock down the region.  We [probably?] don't need to do
this for unlocking as all of the pages should be resident--they're already
mlocked.

Now, the caller's of the mlock functions [mlock_fixup() and
mlock_vma_pages_range()] expect the mmap_sem to be returned in write mode.
 Changing all callers appears to be way too much effort at this point.
So, restore write mode before returning.  Note that this opens a window
where the mmap list could change in a multithreaded process.  So, at least
for mlock_fixup(), where we could be called in a loop over multiple vmas,
we check that a vma still exists at the start address and that vma still
covers the page range [start,end).  If not, we return an error, -EAGAIN,
and let the caller deal with it.

Return -EAGAIN from mlock_vma_pages_range() function and mlock_fixup() if
the vma at 'start' disappears or changes so that the page range
[start,end) is no longer contained in the vma.  Again, let the caller deal
with it.  Looks like only sys_remap_file_pages() [via mmap_region()]
should actually care.

With this patch, I no longer see processes like ps(1) blocked for seconds
or minutes at a time waiting for a large [multiple gigabyte] region to be
locked down.  However, I occassionally see delays while unlocking or
unmapping a large mlocked region.  Should we also downgrade the mmap_sem
for the unlock path?

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mlock.c | 46 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 43 insertions(+), 3 deletions(-)

diff --git a/mm/mlock.c b/mm/mlock.c
index 8746fe3f973..c83896a7250 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -318,6 +318,7 @@ static void __munlock_vma_pages_range(struct vm_area_struct *vma,
 int mlock_vma_pages_range(struct vm_area_struct *vma,
 			unsigned long start, unsigned long end)
 {
+	struct mm_struct *mm = vma->vm_mm;
 	int nr_pages = (end - start) / PAGE_SIZE;
 	BUG_ON(!(vma->vm_flags & VM_LOCKED));
 
@@ -329,8 +330,19 @@ int mlock_vma_pages_range(struct vm_area_struct *vma,
 
 	if (!((vma->vm_flags & (VM_DONTEXPAND | VM_RESERVED)) ||
 			is_vm_hugetlb_page(vma) ||
-			vma == get_gate_vma(current)))
-		return __mlock_vma_pages_range(vma, start, end);
+			vma == get_gate_vma(current))) {
+		downgrade_write(&mm->mmap_sem);
+		nr_pages = __mlock_vma_pages_range(vma, start, end);
+
+		up_read(&mm->mmap_sem);
+		/* vma can change or disappear */
+		down_write(&mm->mmap_sem);
+		vma = find_vma(mm, start);
+		/* non-NULL vma must contain @start, but need to check @end */
+		if (!vma ||  end > vma->vm_end)
+			return -EAGAIN;
+		return nr_pages;
+	}
 
 	/*
 	 * User mapped kernel pages or huge pages:
@@ -424,13 +436,41 @@ success:
 	vma->vm_flags = newflags;
 
 	if (lock) {
+		/*
+		 * mmap_sem is currently held for write.  Downgrade the write
+		 * lock to a read lock so that other faults, mmap scans, ...
+		 * while we fault in all pages.
+		 */
+		downgrade_write(&mm->mmap_sem);
+
 		ret = __mlock_vma_pages_range(vma, start, end);
 		if (ret > 0) {
 			mm->locked_vm -= ret;
 			ret = 0;
 		}
-	} else
+		/*
+		 * Need to reacquire mmap sem in write mode, as our callers
+		 * expect this.  We have no support for atomically upgrading
+		 * a sem to write, so we need to check for ranges while sem
+		 * is unlocked.
+		 */
+		up_read(&mm->mmap_sem);
+		/* vma can change or disappear */
+		down_write(&mm->mmap_sem);
+		*prev = find_vma(mm, start);
+		/* non-NULL *prev must contain @start, but need to check @end */
+		if (!(*prev) || end > (*prev)->vm_end)
+			ret = -EAGAIN;
+	} else {
+		/*
+		 * TODO:  for unlocking, pages will already be resident, so
+		 * we don't need to wait for allocations/reclaim/pagein, ...
+		 * However, unlocking a very large region can still take a
+		 * while.  Should we downgrade the semaphore for both lock
+		 * AND unlock ?
+		 */
 		__munlock_vma_pages_range(vma, start, end);
+	}
 
 out:
 	*prev = vma;
-- 
GitLab


From ba470de43188cdbff795b5da43a1474523c6c2fb Mon Sep 17 00:00:00 2001
From: Rik van Riel <riel@redhat.com>
Date: Sat, 18 Oct 2008 20:26:50 -0700
Subject: [PATCH 1368/2224] mmap: handle mlocked pages during map, remap, unmap

Originally by Nick Piggin <npiggin@suse.de>

Remove mlocked pages from the LRU using "unevictable infrastructure"
during mmap(), munmap(), mremap() and truncate().  Try to move back to
normal LRU lists on munmap() when last mlocked mapping removed.  Remove
PageMlocked() status when page truncated from file.

[akpm@linux-foundation.org: cleanup]
[kamezawa.hiroyu@jp.fujitsu.com: fix double unlock_page()]
[kosaki.motohiro@jp.fujitsu.com: split LRU: munlock rework]
[lee.schermerhorn@hp.com: mlock: fix __mlock_vma_pages_range comment block]
[akpm@linux-foundation.org: remove bogus kerneldoc token]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamewzawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/fremap.c   |  27 ++++--
 mm/internal.h |   9 +-
 mm/mlock.c    | 221 ++++++++++++++++++++------------------------------
 mm/mmap.c     |  71 +++++++++++-----
 mm/mremap.c   |   8 +-
 mm/truncate.c |   4 +
 6 files changed, 180 insertions(+), 160 deletions(-)

diff --git a/mm/fremap.c b/mm/fremap.c
index 7881638e4a1..7d12ca70ef7 100644
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -21,6 +21,8 @@
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 
+#include "internal.h"
+
 static void zap_pte(struct mm_struct *mm, struct vm_area_struct *vma,
 			unsigned long addr, pte_t *ptep)
 {
@@ -215,15 +217,31 @@ asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
 		spin_unlock(&mapping->i_mmap_lock);
 	}
 
+	if (vma->vm_flags & VM_LOCKED) {
+		/*
+		 * drop PG_Mlocked flag for over-mapped range
+		 */
+		unsigned int saved_flags = vma->vm_flags;
+		munlock_vma_pages_range(vma, start, start + size);
+		vma->vm_flags = saved_flags;
+	}
+
 	mmu_notifier_invalidate_range_start(mm, start, start + size);
 	err = populate_range(mm, vma, start, size, pgoff);
 	mmu_notifier_invalidate_range_end(mm, start, start + size);
 	if (!err && !(flags & MAP_NONBLOCK)) {
-		if (unlikely(has_write_lock)) {
-			downgrade_write(&mm->mmap_sem);
-			has_write_lock = 0;
+		if (vma->vm_flags & VM_LOCKED) {
+			/*
+			 * might be mapping previously unmapped range of file
+			 */
+			mlock_vma_pages_range(vma, start, start + size);
+		} else {
+			if (unlikely(has_write_lock)) {
+				downgrade_write(&mm->mmap_sem);
+				has_write_lock = 0;
+			}
+			make_pages_present(start, start+size);
 		}
-		make_pages_present(start, start+size);
 	}
 
 	/*
@@ -240,4 +258,3 @@ out:
 
 	return err;
 }
-
diff --git a/mm/internal.h b/mm/internal.h
index 4ebf0bef9a3..48e32f79057 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -61,9 +61,14 @@ static inline unsigned long page_order(struct page *page)
 	return page_private(page);
 }
 
-extern int mlock_vma_pages_range(struct vm_area_struct *vma,
+extern long mlock_vma_pages_range(struct vm_area_struct *vma,
 			unsigned long start, unsigned long end);
-extern void munlock_vma_pages_all(struct vm_area_struct *vma);
+extern void munlock_vma_pages_range(struct vm_area_struct *vma,
+			unsigned long start, unsigned long end);
+static inline void munlock_vma_pages_all(struct vm_area_struct *vma)
+{
+	munlock_vma_pages_range(vma, vma->vm_start, vma->vm_end);
+}
 
 #ifdef CONFIG_UNEVICTABLE_LRU
 /*
diff --git a/mm/mlock.c b/mm/mlock.c
index c83896a7250..8b478350a2a 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -112,26 +112,49 @@ static void munlock_vma_page(struct page *page)
 	}
 }
 
-/*
- * mlock a range of pages in the vma.
+/**
+ * __mlock_vma_pages_range() -  mlock/munlock a range of pages in the vma.
+ * @vma:   target vma
+ * @start: start address
+ * @end:   end address
+ * @mlock: 0 indicate munlock, otherwise mlock.
+ *
+ * If @mlock == 0, unlock an mlocked range;
+ * else mlock the range of pages.  This takes care of making the pages present ,
+ * too.
  *
- * This takes care of making the pages present too.
+ * return 0 on success, negative error code on error.
  *
- * vma->vm_mm->mmap_sem must be held for write.
+ * vma->vm_mm->mmap_sem must be held for at least read.
  */
-static int __mlock_vma_pages_range(struct vm_area_struct *vma,
-			unsigned long start, unsigned long end)
+static long __mlock_vma_pages_range(struct vm_area_struct *vma,
+				   unsigned long start, unsigned long end,
+				   int mlock)
 {
 	struct mm_struct *mm = vma->vm_mm;
 	unsigned long addr = start;
 	struct page *pages[16]; /* 16 gives a reasonable batch */
-	int write = !!(vma->vm_flags & VM_WRITE);
 	int nr_pages = (end - start) / PAGE_SIZE;
 	int ret;
+	int gup_flags = 0;
 
-	VM_BUG_ON(start & ~PAGE_MASK || end & ~PAGE_MASK);
-	VM_BUG_ON(start < vma->vm_start || end > vma->vm_end);
-	VM_BUG_ON(!rwsem_is_locked(&vma->vm_mm->mmap_sem));
+	VM_BUG_ON(start & ~PAGE_MASK);
+	VM_BUG_ON(end   & ~PAGE_MASK);
+	VM_BUG_ON(start < vma->vm_start);
+	VM_BUG_ON(end   > vma->vm_end);
+	VM_BUG_ON((!rwsem_is_locked(&mm->mmap_sem)) &&
+		  (atomic_read(&mm->mm_users) != 0));
+
+	/*
+	 * mlock:   don't page populate if page has PROT_NONE permission.
+	 * munlock: the pages always do munlock althrough
+	 *          its has PROT_NONE permission.
+	 */
+	if (!mlock)
+		gup_flags |= GUP_FLAGS_IGNORE_VMA_PERMISSIONS;
+
+	if (vma->vm_flags & VM_WRITE)
+		gup_flags |= GUP_FLAGS_WRITE;
 
 	lru_add_drain_all();	/* push cached pages to LRU */
 
@@ -146,9 +169,9 @@ static int __mlock_vma_pages_range(struct vm_area_struct *vma,
 		 * disable migration of this page.  However, page may
 		 * still be truncated out from under us.
 		 */
-		ret = get_user_pages(current, mm, addr,
+		ret = __get_user_pages(current, mm, addr,
 				min_t(int, nr_pages, ARRAY_SIZE(pages)),
-				write, 0, pages, NULL);
+				gup_flags, pages, NULL);
 		/*
 		 * This can happen for, e.g., VM_NONLINEAR regions before
 		 * a page has been allocated and mapped at a given offset,
@@ -178,8 +201,12 @@ static int __mlock_vma_pages_range(struct vm_area_struct *vma,
 			 * by the elevated reference, we need only check for
 			 * page truncation (file-cache only).
 			 */
-			if (page->mapping)
-				mlock_vma_page(page);
+			if (page->mapping) {
+				if (mlock)
+					mlock_vma_page(page);
+				else
+					munlock_vma_page(page);
+			}
 			unlock_page(page);
 			put_page(page);		/* ref from get_user_pages() */
 
@@ -197,125 +224,38 @@ static int __mlock_vma_pages_range(struct vm_area_struct *vma,
 	return 0;	/* count entire vma as locked_vm */
 }
 
-/*
- * private structure for munlock page table walk
- */
-struct munlock_page_walk {
-	struct vm_area_struct *vma;
-	pmd_t                 *pmd; /* for migration_entry_wait() */
-};
-
-/*
- * munlock normal pages for present ptes
- */
-static int __munlock_pte_handler(pte_t *ptep, unsigned long addr,
-				   unsigned long end, struct mm_walk *walk)
-{
-	struct munlock_page_walk *mpw = walk->private;
-	swp_entry_t entry;
-	struct page *page;
-	pte_t pte;
-
-retry:
-	pte = *ptep;
-	/*
-	 * If it's a swap pte, we might be racing with page migration.
-	 */
-	if (unlikely(!pte_present(pte))) {
-		if (!is_swap_pte(pte))
-			goto out;
-		entry = pte_to_swp_entry(pte);
-		if (is_migration_entry(entry)) {
-			migration_entry_wait(mpw->vma->vm_mm, mpw->pmd, addr);
-			goto retry;
-		}
-		goto out;
-	}
-
-	page = vm_normal_page(mpw->vma, addr, pte);
-	if (!page)
-		goto out;
-
-	lock_page(page);
-	if (!page->mapping) {
-		unlock_page(page);
-		goto retry;
-	}
-	munlock_vma_page(page);
-	unlock_page(page);
-
-out:
-	return 0;
-}
-
-/*
- * Save pmd for pte handler for waiting on migration entries
- */
-static int __munlock_pmd_handler(pmd_t *pmd, unsigned long addr,
-				 unsigned long end, struct mm_walk *walk)
-{
-	struct munlock_page_walk *mpw = walk->private;
-
-	mpw->pmd = pmd;
-	return 0;
-}
-
-
-/*
- * munlock a range of pages in the vma using standard page table walk.
- *
- * vma->vm_mm->mmap_sem must be held for write.
- */
-static void __munlock_vma_pages_range(struct vm_area_struct *vma,
-			      unsigned long start, unsigned long end)
-{
-	struct mm_struct *mm = vma->vm_mm;
-	struct munlock_page_walk mpw = {
-		.vma = vma,
-	};
-	struct mm_walk munlock_page_walk = {
-		.pmd_entry = __munlock_pmd_handler,
-		.pte_entry = __munlock_pte_handler,
-		.private = &mpw,
-		.mm = mm,
-	};
-
-	VM_BUG_ON(start & ~PAGE_MASK || end & ~PAGE_MASK);
-	VM_BUG_ON(!rwsem_is_locked(&vma->vm_mm->mmap_sem));
-	VM_BUG_ON(start < vma->vm_start);
-	VM_BUG_ON(end > vma->vm_end);
-
-	lru_add_drain_all();	/* push cached pages to LRU */
-	walk_page_range(start, end, &munlock_page_walk);
-	lru_add_drain_all();	/* to update stats */
-}
-
 #else /* CONFIG_UNEVICTABLE_LRU */
 
 /*
  * Just make pages present if VM_LOCKED.  No-op if unlocking.
  */
-static int __mlock_vma_pages_range(struct vm_area_struct *vma,
-			unsigned long start, unsigned long end)
+static long __mlock_vma_pages_range(struct vm_area_struct *vma,
+				   unsigned long start, unsigned long end,
+				   int mlock)
 {
-	if (vma->vm_flags & VM_LOCKED)
+	if (mlock && (vma->vm_flags & VM_LOCKED))
 		make_pages_present(start, end);
 	return 0;
 }
-
-/*
- * munlock a range of pages in the vma -- no-op.
- */
-static void __munlock_vma_pages_range(struct vm_area_struct *vma,
-			      unsigned long start, unsigned long end)
-{
-}
 #endif /* CONFIG_UNEVICTABLE_LRU */
 
-/*
- * mlock all pages in this vma range.  For mmap()/mremap()/...
+/**
+ * mlock_vma_pages_range() - mlock pages in specified vma range.
+ * @vma - the vma containing the specfied address range
+ * @start - starting address in @vma to mlock
+ * @end   - end address [+1] in @vma to mlock
+ *
+ * For mmap()/mremap()/expansion of mlocked vma.
+ *
+ * return 0 on success for "normal" vmas.
+ *
+ * return number of pages [> 0] to be removed from locked_vm on success
+ * of "special" vmas.
+ *
+ * return negative error if vma spanning @start-@range disappears while
+ * mmap semaphore is dropped.  Unlikely?
  */
-int mlock_vma_pages_range(struct vm_area_struct *vma,
+long mlock_vma_pages_range(struct vm_area_struct *vma,
 			unsigned long start, unsigned long end)
 {
 	struct mm_struct *mm = vma->vm_mm;
@@ -331,8 +271,10 @@ int mlock_vma_pages_range(struct vm_area_struct *vma,
 	if (!((vma->vm_flags & (VM_DONTEXPAND | VM_RESERVED)) ||
 			is_vm_hugetlb_page(vma) ||
 			vma == get_gate_vma(current))) {
+		long error;
 		downgrade_write(&mm->mmap_sem);
-		nr_pages = __mlock_vma_pages_range(vma, start, end);
+
+		error = __mlock_vma_pages_range(vma, start, end, 1);
 
 		up_read(&mm->mmap_sem);
 		/* vma can change or disappear */
@@ -340,8 +282,9 @@ int mlock_vma_pages_range(struct vm_area_struct *vma,
 		vma = find_vma(mm, start);
 		/* non-NULL vma must contain @start, but need to check @end */
 		if (!vma ||  end > vma->vm_end)
-			return -EAGAIN;
-		return nr_pages;
+			return -ENOMEM;
+
+		return 0;	/* hide other errors from mmap(), et al */
 	}
 
 	/*
@@ -356,17 +299,33 @@ int mlock_vma_pages_range(struct vm_area_struct *vma,
 
 no_mlock:
 	vma->vm_flags &= ~VM_LOCKED;	/* and don't come back! */
-	return nr_pages;		/* pages NOT mlocked */
+	return nr_pages;		/* error or pages NOT mlocked */
 }
 
 
 /*
- * munlock all pages in vma.   For munmap() and exit().
+ * munlock_vma_pages_range() - munlock all pages in the vma range.'
+ * @vma - vma containing range to be munlock()ed.
+ * @start - start address in @vma of the range
+ * @end - end of range in @vma.
+ *
+ *  For mremap(), munmap() and exit().
+ *
+ * Called with @vma VM_LOCKED.
+ *
+ * Returns with VM_LOCKED cleared.  Callers must be prepared to
+ * deal with this.
+ *
+ * We don't save and restore VM_LOCKED here because pages are
+ * still on lru.  In unmap path, pages might be scanned by reclaim
+ * and re-mlocked by try_to_{munlock|unmap} before we unmap and
+ * free them.  This will result in freeing mlocked pages.
  */
-void munlock_vma_pages_all(struct vm_area_struct *vma)
+void munlock_vma_pages_range(struct vm_area_struct *vma,
+			   unsigned long start, unsigned long end)
 {
 	vma->vm_flags &= ~VM_LOCKED;
-	__munlock_vma_pages_range(vma, vma->vm_start, vma->vm_end);
+	__mlock_vma_pages_range(vma, start, end, 0);
 }
 
 /*
@@ -443,7 +402,7 @@ success:
 		 */
 		downgrade_write(&mm->mmap_sem);
 
-		ret = __mlock_vma_pages_range(vma, start, end);
+		ret = __mlock_vma_pages_range(vma, start, end, 1);
 		if (ret > 0) {
 			mm->locked_vm -= ret;
 			ret = 0;
@@ -460,7 +419,7 @@ success:
 		*prev = find_vma(mm, start);
 		/* non-NULL *prev must contain @start, but need to check @end */
 		if (!(*prev) || end > (*prev)->vm_end)
-			ret = -EAGAIN;
+			ret = -ENOMEM;
 	} else {
 		/*
 		 * TODO:  for unlocking, pages will already be resident, so
@@ -469,7 +428,7 @@ success:
 		 * while.  Should we downgrade the semaphore for both lock
 		 * AND unlock ?
 		 */
-		__munlock_vma_pages_range(vma, start, end);
+		__mlock_vma_pages_range(vma, start, end, 0);
 	}
 
 out:
diff --git a/mm/mmap.c b/mm/mmap.c
index 7bdfd2661f1..505a454f365 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -970,6 +970,7 @@ unsigned long do_mmap_pgoff(struct file * file, unsigned long addr,
 			return -EPERM;
 		vm_flags |= VM_LOCKED;
 	}
+
 	/* mlock MCL_FUTURE? */
 	if (vm_flags & VM_LOCKED) {
 		unsigned long locked, lock_limit;
@@ -1137,10 +1138,12 @@ munmap_back:
 	 * The VM_SHARED test is necessary because shmem_zero_setup
 	 * will create the file object for a shared anonymous map below.
 	 */
-	if (!file && !(vm_flags & VM_SHARED) &&
-	    vma_merge(mm, prev, addr, addr + len, vm_flags,
-					NULL, NULL, pgoff, NULL))
-		goto out;
+	if (!file && !(vm_flags & VM_SHARED)) {
+		vma = vma_merge(mm, prev, addr, addr + len, vm_flags,
+					NULL, NULL, pgoff, NULL);
+		if (vma)
+			goto out;
+	}
 
 	/*
 	 * Determine the object being mapped and call the appropriate
@@ -1222,10 +1225,14 @@ out:
 	mm->total_vm += len >> PAGE_SHIFT;
 	vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
 	if (vm_flags & VM_LOCKED) {
-		mm->locked_vm += len >> PAGE_SHIFT;
-		make_pages_present(addr, addr + len);
-	}
-	if ((flags & MAP_POPULATE) && !(flags & MAP_NONBLOCK))
+		/*
+		 * makes pages present; downgrades, drops, reacquires mmap_sem
+		 */
+		long nr_pages = mlock_vma_pages_range(vma, addr, addr + len);
+		if (nr_pages < 0)
+			return nr_pages;	/* vma gone! */
+		mm->locked_vm += (len >> PAGE_SHIFT) - nr_pages;
+	} else if ((flags & MAP_POPULATE) && !(flags & MAP_NONBLOCK))
 		make_pages_present(addr, addr + len);
 	return addr;
 
@@ -1698,8 +1705,10 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
 		return vma;
 	if (!prev || expand_stack(prev, addr))
 		return NULL;
-	if (prev->vm_flags & VM_LOCKED)
-		make_pages_present(addr, prev->vm_end);
+	if (prev->vm_flags & VM_LOCKED) {
+		if (mlock_vma_pages_range(prev, addr, prev->vm_end) < 0)
+			return NULL;	/* vma gone! */
+	}
 	return prev;
 }
 #else
@@ -1725,8 +1734,10 @@ find_extend_vma(struct mm_struct * mm, unsigned long addr)
 	start = vma->vm_start;
 	if (expand_stack(vma, addr))
 		return NULL;
-	if (vma->vm_flags & VM_LOCKED)
-		make_pages_present(addr, start);
+	if (vma->vm_flags & VM_LOCKED) {
+		if (mlock_vma_pages_range(vma, addr, start) < 0)
+			return NULL;	/* vma gone! */
+	}
 	return vma;
 }
 #endif
@@ -1745,8 +1756,6 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
 		long nrpages = vma_pages(vma);
 
 		mm->total_vm -= nrpages;
-		if (vma->vm_flags & VM_LOCKED)
-			mm->locked_vm -= nrpages;
 		vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
 		vma = remove_vma(vma);
 	} while (vma);
@@ -1911,6 +1920,20 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len)
 	}
 	vma = prev? prev->vm_next: mm->mmap;
 
+	/*
+	 * unlock any mlock()ed ranges before detaching vmas
+	 */
+	if (mm->locked_vm) {
+		struct vm_area_struct *tmp = vma;
+		while (tmp && tmp->vm_start < end) {
+			if (tmp->vm_flags & VM_LOCKED) {
+				mm->locked_vm -= vma_pages(tmp);
+				munlock_vma_pages_all(tmp);
+			}
+			tmp = tmp->vm_next;
+		}
+	}
+
 	/*
 	 * Remove the vma's, and unmap the actual pages
 	 */
@@ -2023,8 +2046,9 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
 		return -ENOMEM;
 
 	/* Can we just expand an old private anonymous mapping? */
-	if (vma_merge(mm, prev, addr, addr + len, flags,
-					NULL, NULL, pgoff, NULL))
+	vma = vma_merge(mm, prev, addr, addr + len, flags,
+					NULL, NULL, pgoff, NULL);
+	if (vma)
 		goto out;
 
 	/*
@@ -2046,8 +2070,8 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
 out:
 	mm->total_vm += len >> PAGE_SHIFT;
 	if (flags & VM_LOCKED) {
-		mm->locked_vm += len >> PAGE_SHIFT;
-		make_pages_present(addr, addr + len);
+		if (!mlock_vma_pages_range(vma, addr, addr + len))
+			mm->locked_vm += (len >> PAGE_SHIFT);
 	}
 	return addr;
 }
@@ -2058,7 +2082,7 @@ EXPORT_SYMBOL(do_brk);
 void exit_mmap(struct mm_struct *mm)
 {
 	struct mmu_gather *tlb;
-	struct vm_area_struct *vma = mm->mmap;
+	struct vm_area_struct *vma;
 	unsigned long nr_accounted = 0;
 	unsigned long end;
 
@@ -2066,6 +2090,15 @@ void exit_mmap(struct mm_struct *mm)
 	arch_exit_mmap(mm);
 	mmu_notifier_release(mm);
 
+	if (mm->locked_vm) {
+		vma = mm->mmap;
+		while (vma) {
+			if (vma->vm_flags & VM_LOCKED)
+				munlock_vma_pages_all(vma);
+			vma = vma->vm_next;
+		}
+	}
+	vma = mm->mmap;
 	lru_add_drain();
 	flush_cache_mm(mm);
 	tlb = tlb_gather_mmu(mm, 1);
diff --git a/mm/mremap.c b/mm/mremap.c
index 1a7743923c8..58a2908f42f 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -24,6 +24,8 @@
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
 
+#include "internal.h"
+
 static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
 {
 	pgd_t *pgd;
@@ -238,8 +240,8 @@ static unsigned long move_vma(struct vm_area_struct *vma,
 	if (vm_flags & VM_LOCKED) {
 		mm->locked_vm += new_len >> PAGE_SHIFT;
 		if (new_len > old_len)
-			make_pages_present(new_addr + old_len,
-					   new_addr + new_len);
+			mlock_vma_pages_range(new_vma, new_addr + old_len,
+						       new_addr + new_len);
 	}
 
 	return new_addr;
@@ -379,7 +381,7 @@ unsigned long do_mremap(unsigned long addr,
 			vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
 			if (vma->vm_flags & VM_LOCKED) {
 				mm->locked_vm += pages;
-				make_pages_present(addr + old_len,
+				mlock_vma_pages_range(vma, addr + old_len,
 						   addr + new_len);
 			}
 			ret = addr;
diff --git a/mm/truncate.c b/mm/truncate.c
index e83e4b114ef..1229211104f 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -18,6 +18,7 @@
 #include <linux/task_io_accounting_ops.h>
 #include <linux/buffer_head.h>	/* grr. try_to_release_page,
 				   do_invalidatepage */
+#include "internal.h"
 
 
 /**
@@ -103,6 +104,7 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
 
 	cancel_dirty_page(page, PAGE_CACHE_SIZE);
 
+	clear_page_mlock(page);
 	remove_from_page_cache(page);
 	ClearPageMappedToDisk(page);
 	page_cache_release(page);	/* pagecache ref */
@@ -127,6 +129,7 @@ invalidate_complete_page(struct address_space *mapping, struct page *page)
 	if (PagePrivate(page) && !try_to_release_page(page, 0))
 		return 0;
 
+	clear_page_mlock(page);
 	ret = remove_mapping(mapping, page);
 
 	return ret;
@@ -352,6 +355,7 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
 	if (PageDirty(page))
 		goto failed;
 
+	clear_page_mlock(page);
 	BUG_ON(PagePrivate(page));
 	__remove_from_page_cache(page);
 	spin_unlock_irq(&mapping->tree_lock);
-- 
GitLab


From 5344b7e648980cc2ca613ec03a56a8222ff48820 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:26:51 -0700
Subject: [PATCH 1369/2224] vmstat: mlocked pages statistics

Add NR_MLOCK zone page state, which provides a (conservative) count of
mlocked pages (actually, the number of mlocked pages moved off the LRU).

Reworked by lts to fit in with the modified mlock page support in the
Reclaim Scalability series.

[kosaki.motohiro@jp.fujitsu.com: fix incorrect Mlocked field of /proc/meminfo]
[lee.schermerhorn@hp.com: mlocked-pages: add event counting with statistics]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/base/node.c    |  4 +++-
 fs/proc/proc_misc.c    |  2 ++
 include/linux/mmzone.h |  2 ++
 include/linux/vmstat.h |  4 ++++
 mm/internal.h          | 16 +++++++++++++---
 mm/mlock.c             | 41 ++++++++++++++++++++++++++++++++++++-----
 mm/vmstat.c            |  5 +++++
 7 files changed, 65 insertions(+), 9 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 11a9a05cf55..fb45d88a244 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -71,7 +71,8 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       "Node %d Active(file):   %8lu kB\n"
 		       "Node %d Inactive(file): %8lu kB\n"
 #ifdef CONFIG_UNEVICTABLE_LRU
-		       "Node %d Noreclaim:      %8lu kB\n"
+		       "Node %d Unevictable:    %8lu kB\n"
+		       "Node %d Mlocked:        %8lu kB\n"
 #endif
 #ifdef CONFIG_HIGHMEM
 		       "Node %d HighTotal:      %8lu kB\n"
@@ -104,6 +105,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
 #ifdef CONFIG_UNEVICTABLE_LRU
 		       nid, K(node_page_state(nid, NR_UNEVICTABLE)),
+		       nid, K(node_page_state(nid, NR_MLOCK)),
 #endif
 #ifdef CONFIG_HIGHMEM
 		       nid, K(i.totalhigh),
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 6dd60eaea99..61b25f4eabe 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -176,6 +176,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 		"Inactive(file): %8lu kB\n"
 #ifdef CONFIG_UNEVICTABLE_LRU
 		"Unevictable:    %8lu kB\n"
+		"Mlocked:        %8lu kB\n"
 #endif
 #ifdef CONFIG_HIGHMEM
 		"HighTotal:      %8lu kB\n"
@@ -217,6 +218,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
 		K(pages[LRU_INACTIVE_FILE]),
 #ifdef CONFIG_UNEVICTABLE_LRU
 		K(pages[LRU_UNEVICTABLE]),
+		K(global_page_state(NR_MLOCK)),
 #endif
 #ifdef CONFIG_HIGHMEM
 		K(i.totalhigh),
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index d1f60d5fe2e..da2d053a95f 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -88,8 +88,10 @@ enum zone_stat_item {
 	NR_ACTIVE_FILE,		/*  "     "     "   "       "         */
 #ifdef CONFIG_UNEVICTABLE_LRU
 	NR_UNEVICTABLE,		/*  "     "     "   "       "         */
+	NR_MLOCK,		/* mlock()ed pages found and moved off LRU */
 #else
 	NR_UNEVICTABLE = NR_ACTIVE_FILE, /* avoid compiler errors in dead code */
+	NR_MLOCK = NR_ACTIVE_FILE,
 #endif
 	NR_ANON_PAGES,	/* Mapped anonymous pages */
 	NR_FILE_MAPPED,	/* pagecache pages mapped into pagetables.
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 135840cd7fe..05b805020be 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -45,6 +45,10 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		UNEVICTABLE_PGCULLED,	/* culled to noreclaim list */
 		UNEVICTABLE_PGSCANNED,	/* scanned for reclaimability */
 		UNEVICTABLE_PGRESCUED,	/* rescued from noreclaim list */
+		UNEVICTABLE_PGMLOCKED,
+		UNEVICTABLE_PGMUNLOCKED,
+		UNEVICTABLE_PGCLEARED,	/* on COW, page truncate */
+		UNEVICTABLE_PGSTRANDED,	/* unable to isolate on unlock */
 #endif
 		NR_VM_EVENT_ITEMS
 };
diff --git a/mm/internal.h b/mm/internal.h
index 48e32f79057..1cfbf2e2bc9 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -101,7 +101,10 @@ static inline int is_mlocked_vma(struct vm_area_struct *vma, struct page *page)
 	if (likely((vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) != VM_LOCKED))
 		return 0;
 
-	SetPageMlocked(page);
+	if (!TestSetPageMlocked(page)) {
+		inc_zone_page_state(page, NR_MLOCK);
+		count_vm_event(UNEVICTABLE_PGMLOCKED);
+	}
 	return 1;
 }
 
@@ -128,12 +131,19 @@ static inline void clear_page_mlock(struct page *page)
 
 /*
  * mlock_migrate_page - called only from migrate_page_copy() to
- * migrate the Mlocked page flag
+ * migrate the Mlocked page flag; update statistics.
  */
 static inline void mlock_migrate_page(struct page *newpage, struct page *page)
 {
-	if (TestClearPageMlocked(page))
+	if (TestClearPageMlocked(page)) {
+		unsigned long flags;
+
+		local_irq_save(flags);
+		__dec_zone_page_state(page, NR_MLOCK);
 		SetPageMlocked(newpage);
+		__inc_zone_page_state(newpage, NR_MLOCK);
+		local_irq_restore(flags);
+	}
 }
 
 
diff --git a/mm/mlock.c b/mm/mlock.c
index 8b478350a2a..bce1b22c36c 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -60,6 +60,8 @@ void __clear_page_mlock(struct page *page)
 		return;
 	}
 
+	dec_zone_page_state(page, NR_MLOCK);
+	count_vm_event(UNEVICTABLE_PGCLEARED);
 	if (!isolate_lru_page(page)) {
 		putback_lru_page(page);
 	} else {
@@ -69,6 +71,9 @@ void __clear_page_mlock(struct page *page)
 		lru_add_drain_all();
 		if (!isolate_lru_page(page))
 			putback_lru_page(page);
+		else if (PageUnevictable(page))
+			count_vm_event(UNEVICTABLE_PGSTRANDED);
+
 	}
 }
 
@@ -80,8 +85,12 @@ void mlock_vma_page(struct page *page)
 {
 	BUG_ON(!PageLocked(page));
 
-	if (!TestSetPageMlocked(page) && !isolate_lru_page(page))
-		putback_lru_page(page);
+	if (!TestSetPageMlocked(page)) {
+		inc_zone_page_state(page, NR_MLOCK);
+		count_vm_event(UNEVICTABLE_PGMLOCKED);
+		if (!isolate_lru_page(page))
+			putback_lru_page(page);
+	}
 }
 
 /*
@@ -106,9 +115,31 @@ static void munlock_vma_page(struct page *page)
 {
 	BUG_ON(!PageLocked(page));
 
-	if (TestClearPageMlocked(page) && !isolate_lru_page(page)) {
-		try_to_munlock(page);
-		putback_lru_page(page);
+	if (TestClearPageMlocked(page)) {
+		dec_zone_page_state(page, NR_MLOCK);
+		if (!isolate_lru_page(page)) {
+			int ret = try_to_munlock(page);
+			/*
+			 * did try_to_unlock() succeed or punt?
+			 */
+			if (ret == SWAP_SUCCESS || ret == SWAP_AGAIN)
+				count_vm_event(UNEVICTABLE_PGMUNLOCKED);
+
+			putback_lru_page(page);
+		} else {
+			/*
+			 * We lost the race.  let try_to_unmap() deal
+			 * with it.  At least we get the page state and
+			 * mlock stats right.  However, page is still on
+			 * the noreclaim list.  We'll fix that up when
+			 * the page is eventually freed or we scan the
+			 * noreclaim list.
+			 */
+			if (PageUnevictable(page))
+				count_vm_event(UNEVICTABLE_PGSTRANDED);
+			else
+				count_vm_event(UNEVICTABLE_PGMUNLOCKED);
+		}
 	}
 }
 
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 6db2f631931..9e28abc0a0b 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -625,6 +625,7 @@ static const char * const vmstat_text[] = {
 	"nr_active_file",
 #ifdef CONFIG_UNEVICTABLE_LRU
 	"nr_unevictable",
+	"nr_mlock",
 #endif
 	"nr_anon_pages",
 	"nr_mapped",
@@ -684,6 +685,10 @@ static const char * const vmstat_text[] = {
 	"unevictable_pgs_culled",
 	"unevictable_pgs_scanned",
 	"unevictable_pgs_rescued",
+	"unevictable_pgs_mlocked",
+	"unevictable_pgs_munlocked",
+	"unevictable_pgs_cleared",
+	"unevictable_pgs_stranded",
 #endif
 #endif
 };
-- 
GitLab


From 64d6519dda3905dfb94d3f93c07c5f263f41813f Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:52 -0700
Subject: [PATCH 1370/2224] swap: cull unevictable pages in fault path

In the fault paths that install new anonymous pages, check whether the
page is evictable or not using lru_cache_add_active_or_unevictable().  If
the page is evictable, just add it to the active lru list [via the pagevec
cache], else add it to the unevictable list.

This "proactive" culling in the fault path mimics the handling of mlocked
pages in Nick Piggin's series to keep mlocked pages off the lru lists.

Notes:

1) This patch is optional--e.g., if one is concerned about the
   additional test in the fault path.  We can defer the moving of
   nonreclaimable pages until when vmscan [shrink_*_list()]
   encounters them.  Vmscan will only need to handle such pages
   once, but if there are a lot of them it could impact system
   performance.

2) The 'vma' argument to page_evictable() is require to notice that
   we're faulting a page into an mlock()ed vma w/o having to scan the
   page's rmap in the fault path.   Culling mlock()ed anon pages is
   currently the only reason for this patch.

3) We can't cull swap pages in read_swap_cache_async() because the
   vma argument doesn't necessarily correspond to the swap cache
   offset passed in by swapin_readahead().  This could [did!] result
   in mlocking pages in non-VM_LOCKED vmas if [when] we tried to
   cull in this path.

4) Move set_pte_at() to after where we add page to lru to keep it
   hidden from other tasks that might walk the page table.
   We already do it in this order in do_anonymous() page.  And,
   these are COW'd anon pages.  Is this safe?

[riel@redhat.com: undo an overzealous code cleanup]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/swap.h |  2 ++
 mm/memory.c          | 18 ++++++++++--------
 mm/swap.c            | 21 +++++++++++++++++++++
 3 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 7edb4cbc29f..07eda69412f 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -173,6 +173,8 @@ extern unsigned int nr_free_pagecache_pages(void);
 /* linux/mm/swap.c */
 extern void __lru_cache_add(struct page *, enum lru_list lru);
 extern void lru_cache_add_lru(struct page *, enum lru_list lru);
+extern void lru_cache_add_active_or_unevictable(struct page *,
+					struct vm_area_struct *);
 extern void activate_page(struct page *);
 extern void mark_page_accessed(struct page *);
 extern void lru_add_drain(void);
diff --git a/mm/memory.c b/mm/memory.c
index 9fef7272fb9..450127f4c58 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1922,12 +1922,13 @@ gotten:
 		 * thread doing COW.
 		 */
 		ptep_clear_flush_notify(vma, address, page_table);
-		set_pte_at(mm, address, page_table, entry);
-		update_mmu_cache(vma, address, entry);
 		SetPageSwapBacked(new_page);
-		lru_cache_add_active_anon(new_page);
+		lru_cache_add_active_or_unevictable(new_page, vma);
 		page_add_new_anon_rmap(new_page, vma, address);
 
+//TODO:  is this safe?  do_anonymous_page() does it this way.
+		set_pte_at(mm, address, page_table, entry);
+		update_mmu_cache(vma, address, entry);
 		if (old_page) {
 			/*
 			 * Only after switching the pte to the new page may
@@ -2420,7 +2421,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		goto release;
 	inc_mm_counter(mm, anon_rss);
 	SetPageSwapBacked(page);
-	lru_cache_add_active_anon(page);
+	lru_cache_add_active_or_unevictable(page, vma);
 	page_add_new_anon_rmap(page, vma, address);
 	set_pte_at(mm, address, page_table, entry);
 
@@ -2564,12 +2565,11 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 		entry = mk_pte(page, vma->vm_page_prot);
 		if (flags & FAULT_FLAG_WRITE)
 			entry = maybe_mkwrite(pte_mkdirty(entry), vma);
-		set_pte_at(mm, address, page_table, entry);
 		if (anon) {
-                        inc_mm_counter(mm, anon_rss);
+			inc_mm_counter(mm, anon_rss);
 			SetPageSwapBacked(page);
-                        lru_cache_add_active_anon(page);
-                        page_add_new_anon_rmap(page, vma, address);
+			lru_cache_add_active_or_unevictable(page, vma);
+			page_add_new_anon_rmap(page, vma, address);
 		} else {
 			inc_mm_counter(mm, file_rss);
 			page_add_file_rmap(page);
@@ -2578,6 +2578,8 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 				get_page(dirty_page);
 			}
 		}
+//TODO:  is this safe?  do_anonymous_page() does it this way.
+		set_pte_at(mm, address, page_table, entry);
 
 		/* no need to invalidate: a not-present page won't be cached */
 		update_mmu_cache(vma, address, entry);
diff --git a/mm/swap.c b/mm/swap.c
index bc58c1369dd..2152e48a7b8 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -31,6 +31,8 @@
 #include <linux/backing-dev.h>
 #include <linux/memcontrol.h>
 
+#include "internal.h"
+
 /* How many pages do we try to swap or page in/out together? */
 int page_cluster;
 
@@ -244,6 +246,25 @@ void add_page_to_unevictable_list(struct page *page)
 	spin_unlock_irq(&zone->lru_lock);
 }
 
+/**
+ * lru_cache_add_active_or_unevictable
+ * @page:  the page to be added to LRU
+ * @vma:   vma in which page is mapped for determining reclaimability
+ *
+ * place @page on active or unevictable LRU list, depending on
+ * page_evictable().  Note that if the page is not evictable,
+ * it goes directly back onto it's zone's unevictable list.  It does
+ * NOT use a per cpu pagevec.
+ */
+void lru_cache_add_active_or_unevictable(struct page *page,
+					struct vm_area_struct *vma)
+{
+	if (page_evictable(page, vma))
+		lru_cache_add_lru(page, LRU_ACTIVE + page_is_file_cache(page));
+	else
+		add_page_to_unevictable_list(page);
+}
+
 /*
  * Drain pages out of the cpu's pagevecs.
  * Either "cpu" is the current CPU, and preemption has already been
-- 
GitLab


From af936a1606246a10c145feac3770f6287f483f02 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:53 -0700
Subject: [PATCH 1371/2224] vmscan: unevictable LRU scan sysctl

This patch adds a function to scan individual or all zones' unevictable
lists and move any pages that have become evictable onto the respective
zone's inactive list, where shrink_inactive_list() will deal with them.

Adds sysctl to scan all nodes, and per node attributes to individual
nodes' zones.

Kosaki: If evictable page found in unevictable lru when write
/proc/sys/vm/scan_unevictable_pages, print filename and file offset of
these pages.

[akpm@linux-foundation.org: fix one CONFIG_MMU=n build error]
[kosaki.motohiro@jp.fujitsu.com: adapt vmscan-unevictable-lru-scan-sysctl.patch to new sysfs API]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/base/node.c  |   5 ++
 include/linux/rmap.h |   3 +
 include/linux/swap.h |  15 ++++
 kernel/sysctl.c      |  10 +++
 mm/rmap.c            |   4 +-
 mm/vmscan.c          | 166 +++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 201 insertions(+), 2 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index fb45d88a244..f5207090885 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -13,6 +13,7 @@
 #include <linux/nodemask.h>
 #include <linux/cpu.h>
 #include <linux/device.h>
+#include <linux/swap.h>
 
 static struct sysdev_class node_class = {
 	.name = "node",
@@ -191,6 +192,8 @@ int register_node(struct node *node, int num, struct node *parent)
 		sysdev_create_file(&node->sysdev, &attr_meminfo);
 		sysdev_create_file(&node->sysdev, &attr_numastat);
 		sysdev_create_file(&node->sysdev, &attr_distance);
+
+		scan_unevictable_register_node(node);
 	}
 	return error;
 }
@@ -210,6 +213,8 @@ void unregister_node(struct node *node)
 	sysdev_remove_file(&node->sysdev, &attr_numastat);
 	sysdev_remove_file(&node->sysdev, &attr_distance);
 
+	scan_unevictable_unregister_node(node);
+
 	sysdev_unregister(&node->sysdev);
 }
 
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 955667e6a52..1da48db8db0 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -75,6 +75,9 @@ void anon_vma_unlink(struct vm_area_struct *);
 void anon_vma_link(struct vm_area_struct *);
 void __anon_vma_link(struct vm_area_struct *);
 
+extern struct anon_vma *page_lock_anon_vma(struct page *page);
+extern void page_unlock_anon_vma(struct anon_vma *anon_vma);
+
 /*
  * rmap interfaces called when adding or removing pte of page
  */
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 07eda69412f..a3af95b2cb6 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -7,6 +7,7 @@
 #include <linux/list.h>
 #include <linux/memcontrol.h>
 #include <linux/sched.h>
+#include <linux/node.h>
 
 #include <asm/atomic.h>
 #include <asm/page.h>
@@ -235,15 +236,29 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
 #ifdef CONFIG_UNEVICTABLE_LRU
 extern int page_evictable(struct page *page, struct vm_area_struct *vma);
 extern void scan_mapping_unevictable_pages(struct address_space *);
+
+extern unsigned long scan_unevictable_pages;
+extern int scan_unevictable_handler(struct ctl_table *, int, struct file *,
+					void __user *, size_t *, loff_t *);
+extern int scan_unevictable_register_node(struct node *node);
+extern void scan_unevictable_unregister_node(struct node *node);
 #else
 static inline int page_evictable(struct page *page,
 						struct vm_area_struct *vma)
 {
 	return 1;
 }
+
 static inline void scan_mapping_unevictable_pages(struct address_space *mapping)
 {
 }
+
+static inline int scan_unevictable_register_node(struct node *node)
+{
+	return 0;
+}
+
+static inline void scan_unevictable_unregister_node(struct node *node) { }
 #endif
 
 extern int kswapd_run(int nid);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 617d41e4d6a..b3cc73931d1 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -833,6 +833,16 @@ static struct ctl_table kern_table[] = {
 		.proc_handler   = &proc_dointvec,
 	},
 #endif
+#ifdef CONFIG_UNEVICTABLE_LRU
+	{
+		.ctl_name	= CTL_UNNUMBERED,
+		.procname	= "scan_unevictable_pages",
+		.data		= &scan_unevictable_pages,
+		.maxlen		= sizeof(scan_unevictable_pages),
+		.mode		= 0644,
+		.proc_handler	= &scan_unevictable_handler,
+	},
+#endif
 /*
  * NOTE: do not add new entries to this table unless you have read
  * Documentation/sysctl/ctl_unnumbered.txt
diff --git a/mm/rmap.c b/mm/rmap.c
index 7e60df99018..7e90bebbeb6 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -181,7 +181,7 @@ void __init anon_vma_init(void)
  * Getting a lock on a stable anon_vma from a page off the LRU is
  * tricky: page_lock_anon_vma rely on RCU to guard against the races.
  */
-static struct anon_vma *page_lock_anon_vma(struct page *page)
+struct anon_vma *page_lock_anon_vma(struct page *page)
 {
 	struct anon_vma *anon_vma;
 	unsigned long anon_mapping;
@@ -201,7 +201,7 @@ out:
 	return NULL;
 }
 
-static void page_unlock_anon_vma(struct anon_vma *anon_vma)
+void page_unlock_anon_vma(struct anon_vma *anon_vma)
 {
 	spin_unlock(&anon_vma->lock);
 	rcu_read_unlock();
diff --git a/mm/vmscan.c b/mm/vmscan.c
index e5aaaad159e..ca64e3e0c51 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -39,6 +39,7 @@
 #include <linux/freezer.h>
 #include <linux/memcontrol.h>
 #include <linux/delayacct.h>
+#include <linux/sysctl.h>
 
 #include <asm/tlbflush.h>
 #include <asm/div64.h>
@@ -2363,6 +2364,39 @@ int page_evictable(struct page *page, struct vm_area_struct *vma)
 	return 1;
 }
 
+static void show_page_path(struct page *page)
+{
+	char buf[256];
+	if (page_is_file_cache(page)) {
+		struct address_space *mapping = page->mapping;
+		struct dentry *dentry;
+		pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);
+
+		spin_lock(&mapping->i_mmap_lock);
+		dentry = d_find_alias(mapping->host);
+		printk(KERN_INFO "rescued: %s %lu\n",
+		       dentry_path(dentry, buf, 256), pgoff);
+		spin_unlock(&mapping->i_mmap_lock);
+	} else {
+#if defined(CONFIG_MM_OWNER) && defined(CONFIG_MMU)
+		struct anon_vma *anon_vma;
+		struct vm_area_struct *vma;
+
+		anon_vma = page_lock_anon_vma(page);
+		if (!anon_vma)
+			return;
+
+		list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
+			printk(KERN_INFO "rescued: anon %s\n",
+			       vma->vm_mm->owner->comm);
+			break;
+		}
+		page_unlock_anon_vma(anon_vma);
+#endif
+	}
+}
+
+
 /**
  * check_move_unevictable_page - check page for evictability and move to appropriate zone lru list
  * @page: page to check evictability and move to appropriate lru list
@@ -2382,6 +2416,9 @@ retry:
 	ClearPageUnevictable(page);
 	if (page_evictable(page, NULL)) {
 		enum lru_list l = LRU_INACTIVE_ANON + page_is_file_cache(page);
+
+		show_page_path(page);
+
 		__dec_zone_state(zone, NR_UNEVICTABLE);
 		list_move(&page->lru, &zone->lru[l].list);
 		__inc_zone_state(zone, NR_INACTIVE_ANON + l);
@@ -2451,4 +2488,133 @@ void scan_mapping_unevictable_pages(struct address_space *mapping)
 	}
 
 }
+
+/**
+ * scan_zone_unevictable_pages - check unevictable list for evictable pages
+ * @zone - zone of which to scan the unevictable list
+ *
+ * Scan @zone's unevictable LRU lists to check for pages that have become
+ * evictable.  Move those that have to @zone's inactive list where they
+ * become candidates for reclaim, unless shrink_inactive_zone() decides
+ * to reactivate them.  Pages that are still unevictable are rotated
+ * back onto @zone's unevictable list.
+ */
+#define SCAN_UNEVICTABLE_BATCH_SIZE 16UL /* arbitrary lock hold batch size */
+void scan_zone_unevictable_pages(struct zone *zone)
+{
+	struct list_head *l_unevictable = &zone->lru[LRU_UNEVICTABLE].list;
+	unsigned long scan;
+	unsigned long nr_to_scan = zone_page_state(zone, NR_UNEVICTABLE);
+
+	while (nr_to_scan > 0) {
+		unsigned long batch_size = min(nr_to_scan,
+						SCAN_UNEVICTABLE_BATCH_SIZE);
+
+		spin_lock_irq(&zone->lru_lock);
+		for (scan = 0;  scan < batch_size; scan++) {
+			struct page *page = lru_to_page(l_unevictable);
+
+			if (!trylock_page(page))
+				continue;
+
+			prefetchw_prev_lru_page(page, l_unevictable, flags);
+
+			if (likely(PageLRU(page) && PageUnevictable(page)))
+				check_move_unevictable_page(page, zone);
+
+			unlock_page(page);
+		}
+		spin_unlock_irq(&zone->lru_lock);
+
+		nr_to_scan -= batch_size;
+	}
+}
+
+
+/**
+ * scan_all_zones_unevictable_pages - scan all unevictable lists for evictable pages
+ *
+ * A really big hammer:  scan all zones' unevictable LRU lists to check for
+ * pages that have become evictable.  Move those back to the zones'
+ * inactive list where they become candidates for reclaim.
+ * This occurs when, e.g., we have unswappable pages on the unevictable lists,
+ * and we add swap to the system.  As such, it runs in the context of a task
+ * that has possibly/probably made some previously unevictable pages
+ * evictable.
+ */
+void scan_all_zones_unevictable_pages(void)
+{
+	struct zone *zone;
+
+	for_each_zone(zone) {
+		scan_zone_unevictable_pages(zone);
+	}
+}
+
+/*
+ * scan_unevictable_pages [vm] sysctl handler.  On demand re-scan of
+ * all nodes' unevictable lists for evictable pages
+ */
+unsigned long scan_unevictable_pages;
+
+int scan_unevictable_handler(struct ctl_table *table, int write,
+			   struct file *file, void __user *buffer,
+			   size_t *length, loff_t *ppos)
+{
+	proc_doulongvec_minmax(table, write, file, buffer, length, ppos);
+
+	if (write && *(unsigned long *)table->data)
+		scan_all_zones_unevictable_pages();
+
+	scan_unevictable_pages = 0;
+	return 0;
+}
+
+/*
+ * per node 'scan_unevictable_pages' attribute.  On demand re-scan of
+ * a specified node's per zone unevictable lists for evictable pages.
+ */
+
+static ssize_t read_scan_unevictable_node(struct sys_device *dev,
+					  struct sysdev_attribute *attr,
+					  char *buf)
+{
+	return sprintf(buf, "0\n");	/* always zero; should fit... */
+}
+
+static ssize_t write_scan_unevictable_node(struct sys_device *dev,
+					   struct sysdev_attribute *attr,
+					const char *buf, size_t count)
+{
+	struct zone *node_zones = NODE_DATA(dev->id)->node_zones;
+	struct zone *zone;
+	unsigned long res;
+	unsigned long req = strict_strtoul(buf, 10, &res);
+
+	if (!req)
+		return 1;	/* zero is no-op */
+
+	for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; ++zone) {
+		if (!populated_zone(zone))
+			continue;
+		scan_zone_unevictable_pages(zone);
+	}
+	return 1;
+}
+
+
+static SYSDEV_ATTR(scan_unevictable_pages, S_IRUGO | S_IWUSR,
+			read_scan_unevictable_node,
+			write_scan_unevictable_node);
+
+int scan_unevictable_register_node(struct node *node)
+{
+	return sysdev_create_file(&node->sysdev, &attr_scan_unevictable_pages);
+}
+
+void scan_unevictable_unregister_node(struct node *node)
+{
+	sysdev_remove_file(&node->sysdev, &attr_scan_unevictable_pages);
+}
+
 #endif
-- 
GitLab


From 985737cf2ea096ea946aed82c7484d40defc71a8 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:53 -0700
Subject: [PATCH 1372/2224] mlock: count attempts to free mlocked page

Allow free of mlock()ed pages.  This shouldn't happen, but during
developement, it occasionally did.

This patch allows us to survive that condition, while keeping the
statistics and events correct for debug.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/vmstat.h |  1 +
 mm/internal.h          | 17 +++++++++++++++++
 mm/page_alloc.c        |  1 +
 mm/vmstat.c            |  1 +
 4 files changed, 20 insertions(+)

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 05b805020be..9cd3ab0f554 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -49,6 +49,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		UNEVICTABLE_PGMUNLOCKED,
 		UNEVICTABLE_PGCLEARED,	/* on COW, page truncate */
 		UNEVICTABLE_PGSTRANDED,	/* unable to isolate on unlock */
+		UNEVICTABLE_MLOCKFREED,
 #endif
 		NR_VM_EVENT_ITEMS
 };
diff --git a/mm/internal.h b/mm/internal.h
index 1cfbf2e2bc9..e4e728bdf32 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -146,6 +146,22 @@ static inline void mlock_migrate_page(struct page *newpage, struct page *page)
 	}
 }
 
+/*
+ * free_page_mlock() -- clean up attempts to free and mlocked() page.
+ * Page should not be on lru, so no need to fix that up.
+ * free_pages_check() will verify...
+ */
+static inline void free_page_mlock(struct page *page)
+{
+	if (unlikely(TestClearPageMlocked(page))) {
+		unsigned long flags;
+
+		local_irq_save(flags);
+		__dec_zone_page_state(page, NR_MLOCK);
+		__count_vm_event(UNEVICTABLE_MLOCKFREED);
+		local_irq_restore(flags);
+	}
+}
 
 #else /* CONFIG_UNEVICTABLE_LRU */
 static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p)
@@ -155,6 +171,7 @@ static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p)
 static inline void clear_page_mlock(struct page *page) { }
 static inline void mlock_vma_page(struct page *page) { }
 static inline void mlock_migrate_page(struct page *new, struct page *old) { }
+static inline void free_page_mlock(struct page *page) { }
 
 #endif /* CONFIG_UNEVICTABLE_LRU */
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5886586fde6..cfbadad75d1 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -454,6 +454,7 @@ static inline void __free_one_page(struct page *page,
 
 static inline int free_pages_check(struct page *page)
 {
+	free_page_mlock(page);
 	if (unlikely(page_mapcount(page) |
 		(page->mapping != NULL)  |
 		(page_get_page_cgroup(page) != NULL) |
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 9e28abc0a0b..9343227c5c6 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -689,6 +689,7 @@ static const char * const vmstat_text[] = {
 	"unevictable_pgs_munlocked",
 	"unevictable_pgs_cleared",
 	"unevictable_pgs_stranded",
+	"unevictable_pgs_mlockfreed",
 #endif
 #endif
 };
-- 
GitLab


From 902d2e8ae0de29f483840ba1134af27343b9564d Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:26:54 -0700
Subject: [PATCH 1373/2224] vmscan: kill unused lru functions

Several LRU manupuration function are not used now.  So they can be
removed.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/mm_inline.h | 48 ---------------------------------------
 1 file changed, 48 deletions(-)

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 67d7697fd01..c948350c378 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -37,54 +37,6 @@ del_page_from_lru_list(struct zone *zone, struct page *page, enum lru_list l)
 	__dec_zone_state(zone, NR_LRU_BASE + l);
 }
 
-static inline void
-add_page_to_inactive_anon_list(struct zone *zone, struct page *page)
-{
-	add_page_to_lru_list(zone, page, LRU_INACTIVE_ANON);
-}
-
-static inline void
-add_page_to_active_anon_list(struct zone *zone, struct page *page)
-{
-	add_page_to_lru_list(zone, page, LRU_ACTIVE_ANON);
-}
-
-static inline void
-add_page_to_inactive_file_list(struct zone *zone, struct page *page)
-{
-	add_page_to_lru_list(zone, page, LRU_INACTIVE_FILE);
-}
-
-static inline void
-add_page_to_active_file_list(struct zone *zone, struct page *page)
-{
-	add_page_to_lru_list(zone, page, LRU_ACTIVE_FILE);
-}
-
-static inline void
-del_page_from_inactive_anon_list(struct zone *zone, struct page *page)
-{
-	del_page_from_lru_list(zone, page, LRU_INACTIVE_ANON);
-}
-
-static inline void
-del_page_from_active_anon_list(struct zone *zone, struct page *page)
-{
-	del_page_from_lru_list(zone, page, LRU_ACTIVE_ANON);
-}
-
-static inline void
-del_page_from_inactive_file_list(struct zone *zone, struct page *page)
-{
-	del_page_from_lru_list(zone, page, LRU_INACTIVE_FILE);
-}
-
-static inline void
-del_page_from_active_file_list(struct zone *zone, struct page *page)
-{
-	del_page_from_lru_list(zone, page, LRU_INACTIVE_FILE);
-}
-
 static inline void
 del_page_from_lru(struct zone *zone, struct page *page)
 {
-- 
GitLab


From e0f79b8f1f3394bb344b7b83d6f121ac2af327de Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@saeurebad.de>
Date: Sat, 18 Oct 2008 20:26:55 -0700
Subject: [PATCH 1374/2224] vmscan: don't accumulate scan pressure on unrelated
 lists

During each reclaim scan we accumulate scan pressure on unrelated lists
which will result in bogus scans and unwanted reclaims eventually.

Scanning lists with few reclaim candidates results in a lot of rotation
and therefor also disturbs the list balancing, putting even more
pressure on the wrong lists.

In a test-case with much streaming IO, and therefor a crowded inactive
file page list, swapping started because

  a) anon pages were reclaimed after swap_cluster_max reclaim
  invocations -- nr_scan of this list has just accumulated

  b) active file pages were scanned because *their* nr_scan has also
  accumulated through the same logic.  And this in return created a
  lot of rotation for file pages and resulted in a decrease of file
  list priority, again increasing the pressure on anon pages.

The result was an evicted working set of anon pages while there were
tons of inactive file pages that should have been taken instead.

Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index ca64e3e0c51..412d7872fc7 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1413,16 +1413,13 @@ static unsigned long shrink_zone(int priority, struct zone *zone,
 		if (scan_global_lru(sc)) {
 			int file = is_file_lru(l);
 			int scan;
-			/*
-			 * Add one to nr_to_scan just to make sure that the
-			 * kernel will slowly sift through each list.
-			 */
+
 			scan = zone_page_state(zone, NR_LRU_BASE + l);
 			if (priority) {
 				scan >>= priority;
 				scan = (scan * percent[file]) / 100;
 			}
-			zone->lru[l].nr_scan += scan + 1;
+			zone->lru[l].nr_scan += scan;
 			nr[l] = zone->lru[l].nr_scan;
 			if (nr[l] >= sc->swap_cluster_max)
 				zone->lru[l].nr_scan = 0;
-- 
GitLab


From c11d69d8c830e09a0e7b3935c952afb26c48bba8 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:56 -0700
Subject: [PATCH 1375/2224] mlock: revert mainline handling of mlock error
 return

This change is intended to make mlock() error returns correct.
make_page_present() is a lower level function used by more than mlock().
Subsequent patch[es] will add this error return fixup in an mlock specific
path.

Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memory.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 450127f4c58..b8487f8cd82 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2819,19 +2819,9 @@ int make_pages_present(unsigned long addr, unsigned long end)
 	len = DIV_ROUND_UP(end, PAGE_SIZE) - addr/PAGE_SIZE;
 	ret = get_user_pages(current, current->mm, addr,
 			len, write, 0, NULL, NULL);
-	if (ret < 0) {
-		/*
-		   SUS require strange return value to mlock
-		    - invalid addr generate to ENOMEM.
-		    - out of memory should generate EAGAIN.
-		*/
-		if (ret == -EFAULT)
-			ret = -ENOMEM;
-		else if (ret == -ENOMEM)
-			ret = -EAGAIN;
+	if (ret < 0)
 		return ret;
-	}
-	return ret == len ? 0 : -ENOMEM;
+	return ret == len ? 0 : -1;
 }
 
 #if !defined(__HAVE_ARCH_GATE_AREA)
-- 
GitLab


From 9978ad583e100945b74e4f33e73317983ea32df9 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Sat, 18 Oct 2008 20:26:56 -0700
Subject: [PATCH 1376/2224] mlock: make mlock error return Posixly Correct

Rework Posix error return for mlock().

Posix requires error code for mlock*() system calls for some conditions
that differ from what kernel low level functions, such as
get_user_pages(), return for those conditions.  For more info, see:

http://marc.info/?l=linux-kernel&m=121750892930775&w=2

This patch provides the same translation of get_user_pages()
error codes to posix specified error codes in the context
of the mlock rework for unevictable lru.

[akpm@linux-foundation.org: fix build]
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memory.c |  2 +-
 mm/mlock.c  | 33 +++++++++++++++++++++++++++------
 2 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index b8487f8cd82..ba86b436b85 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2821,7 +2821,7 @@ int make_pages_present(unsigned long addr, unsigned long end)
 			len, write, 0, NULL, NULL);
 	if (ret < 0)
 		return ret;
-	return ret == len ? 0 : -1;
+	return ret == len ? 0 : -EFAULT;
 }
 
 #if !defined(__HAVE_ARCH_GATE_AREA)
diff --git a/mm/mlock.c b/mm/mlock.c
index bce1b22c36c..008ea70b7af 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -248,11 +248,24 @@ static long __mlock_vma_pages_range(struct vm_area_struct *vma,
 			addr += PAGE_SIZE;	/* for next get_user_pages() */
 			nr_pages--;
 		}
+		ret = 0;
 	}
 
 	lru_add_drain_all();	/* to update stats */
 
-	return 0;	/* count entire vma as locked_vm */
+	return ret;	/* count entire vma as locked_vm */
+}
+
+/*
+ * convert get_user_pages() return value to posix mlock() error
+ */
+static int __mlock_posix_error_return(long retval)
+{
+	if (retval == -EFAULT)
+		retval = -ENOMEM;
+	else if (retval == -ENOMEM)
+		retval = -EAGAIN;
+	return retval;
 }
 
 #else /* CONFIG_UNEVICTABLE_LRU */
@@ -265,9 +278,15 @@ static long __mlock_vma_pages_range(struct vm_area_struct *vma,
 				   int mlock)
 {
 	if (mlock && (vma->vm_flags & VM_LOCKED))
-		make_pages_present(start, end);
+		return make_pages_present(start, end);
+	return 0;
+}
+
+static inline int __mlock_posix_error_return(long retval)
+{
 	return 0;
 }
+
 #endif /* CONFIG_UNEVICTABLE_LRU */
 
 /**
@@ -434,10 +453,7 @@ success:
 		downgrade_write(&mm->mmap_sem);
 
 		ret = __mlock_vma_pages_range(vma, start, end, 1);
-		if (ret > 0) {
-			mm->locked_vm -= ret;
-			ret = 0;
-		}
+
 		/*
 		 * Need to reacquire mmap sem in write mode, as our callers
 		 * expect this.  We have no support for atomically upgrading
@@ -451,6 +467,11 @@ success:
 		/* non-NULL *prev must contain @start, but need to check @end */
 		if (!(*prev) || end > (*prev)->vm_end)
 			ret = -ENOMEM;
+		else if (ret > 0) {
+			mm->locked_vm -= ret;
+			ret = 0;
+		} else
+			ret = __mlock_posix_error_return(ret); /* translate if needed */
 	} else {
 		/*
 		 * TODO:  for unlocking, pages will already be resident, so
-- 
GitLab


From f45840b5c128445da70e7ec33adc47b4a12bdaf4 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:26:57 -0700
Subject: [PATCH 1377/2224] mm: pagecache insertion fewer atomics

Setting and clearing the page locked when inserting it into swapcache /
pagecache when it has no other references can use non-atomic page flags
operations because no other CPU may be operating on it at this time.

This saves one atomic operation when inserting a page into pagecache.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/pagemap.h | 14 +++++++-------
 mm/swap_state.c         |  4 ++--
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 4b6c4d8d26b..7334b2b6c4c 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -299,14 +299,14 @@ extern int __lock_page_killable(struct page *page);
 extern void __lock_page_nosync(struct page *page);
 extern void unlock_page(struct page *page);
 
-static inline void set_page_locked(struct page *page)
+static inline void __set_page_locked(struct page *page)
 {
-	set_bit(PG_locked, &page->flags);
+	__set_bit(PG_locked, &page->flags);
 }
 
-static inline void clear_page_locked(struct page *page)
+static inline void __clear_page_locked(struct page *page)
 {
-	clear_bit(PG_locked, &page->flags);
+	__clear_bit(PG_locked, &page->flags);
 }
 
 static inline int trylock_page(struct page *page)
@@ -438,17 +438,17 @@ extern void __remove_from_page_cache(struct page *page);
 
 /*
  * Like add_to_page_cache_locked, but used to add newly allocated pages:
- * the page is new, so we can just run set_page_locked() against it.
+ * the page is new, so we can just run __set_page_locked() against it.
  */
 static inline int add_to_page_cache(struct page *page,
 		struct address_space *mapping, pgoff_t offset, gfp_t gfp_mask)
 {
 	int error;
 
-	set_page_locked(page);
+	__set_page_locked(page);
 	error = add_to_page_cache_locked(page, mapping, offset, gfp_mask);
 	if (unlikely(error))
-		clear_page_locked(page);
+		__clear_page_locked(page);
 	return error;
 }
 
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 43cda7b4b80..3353c9029ce 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -303,7 +303,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 		 * re-using the just freed swap entry for an existing page.
 		 * May fail (-ENOMEM) if radix-tree node allocation failed.
 		 */
-		set_page_locked(new_page);
+		__set_page_locked(new_page);
 		SetPageSwapBacked(new_page);
 		err = add_to_swap_cache(new_page, entry, gfp_mask & GFP_KERNEL);
 		if (likely(!err)) {
@@ -315,7 +315,7 @@ struct page *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 			return new_page;
 		}
 		ClearPageSwapBacked(new_page);
-		clear_page_locked(new_page);
+		__clear_page_locked(new_page);
 		swap_free(entry);
 	} while (err != -ENOMEM);
 
-- 
GitLab


From a978d6f521063514812a7094dbe5036e056e4de3 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:26:58 -0700
Subject: [PATCH 1378/2224] mm: unlockless reclaim

unlock_page is fairly expensive.  It can be avoided in page reclaim
success path.  By definition if we have any other references to the page
it would be a bug anyway.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/vmscan.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 412d7872fc7..3b5860294bb 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -732,7 +732,14 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 		if (!mapping || !__remove_mapping(mapping, page))
 			goto keep_locked;
 
-		unlock_page(page);
+		/*
+		 * At this point, we have no other references and there is
+		 * no way to pick any more up (removed from LRU, removed
+		 * from pagecache). Can use non-atomic bitops now (and
+		 * we obviously don't have to worry about waking up a process
+		 * waiting on the page lock, because there are no references.
+		 */
+		__clear_page_locked(page);
 free_it:
 		nr_reclaimed++;
 		if (!pagevec_add(&freed_pvec, page)) {
-- 
GitLab


From 8413ac9d8c9a1366a4f57880723126cd24e5a5c3 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:26:59 -0700
Subject: [PATCH 1379/2224] mm: page lock use lock bitops

trylock_page, unlock_page open and close a critical section. Hence,
we can use the lock bitops to get the desired memory ordering.

Also, mark trylock as likely to succeed (and remove the annotation from
callers).

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/pagemap.h |  2 +-
 mm/filemap.c            | 13 +++++--------
 mm/swapfile.c           |  2 +-
 3 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 7334b2b6c4c..709742be02f 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -311,7 +311,7 @@ static inline void __clear_page_locked(struct page *page)
 
 static inline int trylock_page(struct page *page)
 {
-	return !test_and_set_bit(PG_locked, &page->flags);
+	return (likely(!test_and_set_bit_lock(PG_locked, &page->flags)));
 }
 
 /*
diff --git a/mm/filemap.c b/mm/filemap.c
index a1ddd2557af..e1b23fda48d 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -573,17 +573,14 @@ EXPORT_SYMBOL(wait_on_page_bit);
  * mechananism between PageLocked pages and PageWriteback pages is shared.
  * But that's OK - sleepers in wait_on_page_writeback() just go back to sleep.
  *
- * The first mb is necessary to safely close the critical section opened by the
- * test_and_set_bit() to lock the page; the second mb is necessary to enforce
- * ordering between the clear_bit and the read of the waitqueue (to avoid SMP
- * races with a parallel wait_on_page_locked()).
+ * The mb is necessary to enforce ordering between the clear_bit and the read
+ * of the waitqueue (to avoid SMP races with a parallel wait_on_page_locked()).
  */
 void unlock_page(struct page *page)
 {
-	smp_mb__before_clear_bit();
-	if (!test_and_clear_bit(PG_locked, &page->flags))
-		BUG();
-	smp_mb__after_clear_bit(); 
+	VM_BUG_ON(!PageLocked(page));
+	clear_bit_unlock(PG_locked, &page->flags);
+	smp_mb__after_clear_bit();
 	wake_up_page(page, PG_locked);
 }
 EXPORT_SYMBOL(unlock_page);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 2a97fafa3d8..90cb67a5417 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -422,7 +422,7 @@ void free_swap_and_cache(swp_entry_t entry)
 	if (p) {
 		if (swap_entry_free(p, swp_offset(entry)) == 1) {
 			page = find_get_page(&swapper_space, entry.val);
-			if (page && unlikely(!trylock_page(page))) {
+			if (page && !trylock_page(page)) {
 				page_cache_release(page);
 				page = NULL;
 			}
-- 
GitLab


From 51b07fc3c5c830bb49c80fc5eac041e1f66a72e7 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:27:00 -0700
Subject: [PATCH 1380/2224] fs: buffer lock use lock bitops

trylock_buffer and unlock_buffer open and close a critical section.
Hence, we can use the lock bitops to get the desired memory ordering.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/buffer.c                 | 3 +--
 include/linux/buffer_head.h | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index ac78d4c19b3..6569fda5cfe 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -76,8 +76,7 @@ EXPORT_SYMBOL(__lock_buffer);
 
 void unlock_buffer(struct buffer_head *bh)
 {
-	smp_mb__before_clear_bit();
-	clear_buffer_locked(bh);
+	clear_bit_unlock(BH_Lock, &bh->b_state);
 	smp_mb__after_clear_bit();
 	wake_up_bit(&bh->b_state, BH_Lock);
 }
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index eadaab44015..3ce64b90118 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -322,7 +322,7 @@ static inline void wait_on_buffer(struct buffer_head *bh)
 
 static inline int trylock_buffer(struct buffer_head *bh)
 {
-	return likely(!test_and_set_bit(BH_Lock, &bh->b_state));
+	return likely(!test_and_set_bit_lock(BH_Lock, &bh->b_state));
 }
 
 static inline void lock_buffer(struct buffer_head *bh)
-- 
GitLab


From cb8f488c33539f096580e202f5438a809195008f Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Sat, 18 Oct 2008 20:27:01 -0700
Subject: [PATCH 1381/2224] mmap.c: deinline a few functions

__vma_link_file and expand_downwards functions are not small, yeat they
are marked inline.  They probably had one callsite sometime in the past,
but now they have more.  In order to prevent similar thing, I also
deinlined expand_upwards, despite it having only pne callsite.  Nowadays
gcc auto-inlines such static functions anyway.  In find_extend_vma, I
removed one extra level of indirection.

Patch is deliberately generated with -U $BIGNUM to make
it easier to see that functions are big.

Result:

# size */*/mmap.o */vmlinux
   text    data     bss     dec     hex filename
   9514     188      16    9718    25f6 0.org/mm/mmap.o
   9237     188      16    9441    24e1 deinline/mm/mmap.o
6124402  858996  389480 7372878  70804e 0.org/vmlinux
6124113  858996  389480 7372589  707f2d deinline/vmlinux

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/mmap.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mm/mmap.c b/mm/mmap.c
index 505a454f365..74f4d158022 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -410,7 +410,7 @@ void __vma_link_rb(struct mm_struct *mm, struct vm_area_struct *vma,
 	rb_insert_color(&vma->vm_rb, &mm->mm_rb);
 }
 
-static inline void __vma_link_file(struct vm_area_struct *vma)
+static void __vma_link_file(struct vm_area_struct *vma)
 {
 	struct file * file;
 
@@ -1591,7 +1591,7 @@ static int acct_stack_growth(struct vm_area_struct * vma, unsigned long size, un
  * vma is the last one with address > vma->vm_end.  Have to extend vma.
  */
 #ifndef CONFIG_IA64
-static inline
+static
 #endif
 int expand_upwards(struct vm_area_struct *vma, unsigned long address)
 {
@@ -1641,7 +1641,7 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
 /*
  * vma is the first one with address < vma->vm_start.  Have to extend vma.
  */
-static inline int expand_downwards(struct vm_area_struct *vma,
+static int expand_downwards(struct vm_area_struct *vma,
 				   unsigned long address)
 {
 	int error;
@@ -1703,7 +1703,7 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
 	vma = find_vma_prev(mm, addr, &prev);
 	if (vma && (vma->vm_start <= addr))
 		return vma;
-	if (!prev || expand_stack(prev, addr))
+	if (expand_stack(prev, addr))
 		return NULL;
 	if (prev->vm_flags & VM_LOCKED) {
 		if (mlock_vma_pages_range(prev, addr, prev->vm_end) < 0)
-- 
GitLab


From db64fe02258f1507e13fe5212a989922323685ce Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Sat, 18 Oct 2008 20:27:03 -0700
Subject: [PATCH 1382/2224] mm: rewrite vmap layer

Rewrite the vmap allocator to use rbtrees and lazy tlb flushing, and
provide a fast, scalable percpu frontend for small vmaps (requires a
slightly different API, though).

The biggest problem with vmap is actually vunmap.  Presently this requires
a global kernel TLB flush, which on most architectures is a broadcast IPI
to all CPUs to flush the cache.  This is all done under a global lock.  As
the number of CPUs increases, so will the number of vunmaps a scaled
workload will want to perform, and so will the cost of a global TLB flush.
 This gives terrible quadratic scalability characteristics.

Another problem is that the entire vmap subsystem works under a single
lock.  It is a rwlock, but it is actually taken for write in all the fast
paths, and the read locking would likely never be run concurrently anyway,
so it's just pointless.

This is a rewrite of vmap subsystem to solve those problems.  The existing
vmalloc API is implemented on top of the rewritten subsystem.

The TLB flushing problem is solved by using lazy TLB unmapping.  vmap
addresses do not have to be flushed immediately when they are vunmapped,
because the kernel will not reuse them again (would be a use-after-free)
until they are reallocated.  So the addresses aren't allocated again until
a subsequent TLB flush.  A single TLB flush then can flush multiple
vunmaps from each CPU.

XEN and PAT and such do not like deferred TLB flushing because they can't
always handle multiple aliasing virtual addresses to a physical address.
They now call vm_unmap_aliases() in order to flush any deferred mappings.
That call is very expensive (well, actually not a lot more expensive than
a single vunmap under the old scheme), however it should be OK if not
called too often.

The virtual memory extent information is stored in an rbtree rather than a
linked list to improve the algorithmic scalability.

There is a per-CPU allocator for small vmaps, which amortizes or avoids
global locking.

To use the per-CPU interface, the vm_map_ram / vm_unmap_ram interfaces
must be used in place of vmap and vunmap.  Vmalloc does not use these
interfaces at the moment, so it will not be quite so scalable (although it
will use lazy TLB flushing).

As a quick test of performance, I ran a test that loops in the kernel,
linearly mapping then touching then unmapping 4 pages.  Different numbers
of tests were run in parallel on an 4 core, 2 socket opteron.  Results are
in nanoseconds per map+touch+unmap.

threads           vanilla         vmap rewrite
1                 14700           2900
2                 33600           3000
4                 49500           2800
8                 70631           2900

So with a 8 cores, the rewritten version is already 25x faster.

In a slightly more realistic test (although with an older and less
scalable version of the patch), I ripped the not-very-good vunmap batching
code out of XFS, and implemented the large buffer mapping with vm_map_ram
and vm_unmap_ram...  along with a couple of other tricks, I was able to
speed up a large directory workload by 20x on a 64 CPU system.  I believe
vmap/vunmap is actually sped up a lot more than 20x on such a system, but
I'm running into other locks now.  vmap is pretty well blown off the
profiles.

Before:
1352059 total                                      0.1401
798784 _write_lock                              8320.6667 <- vmlist_lock
529313 default_idle                             1181.5022
 15242 smp_call_function                         15.8771  <- vmap tlb flushing
  2472 __get_vm_area_node                         1.9312  <- vmap
  1762 remove_vm_area                             4.5885  <- vunmap
   316 map_vm_area                                0.2297  <- vmap
   312 kfree                                      0.1950
   300 _spin_lock                                 3.1250
   252 sn_send_IPI_phys                           0.4375  <- tlb flushing
   238 vmap                                       0.8264  <- vmap
   216 find_lock_page                             0.5192
   196 find_next_bit                              0.3603
   136 sn2_send_IPI                               0.2024
   130 pio_phys_write_mmr                         2.0312
   118 unmap_kernel_range                         0.1229

After:
 78406 total                                      0.0081
 40053 default_idle                              89.4040
 33576 ia64_spinlock_contention                 349.7500
  1650 _spin_lock                                17.1875
   319 __reg_op                                   0.5538
   281 _atomic_dec_and_lock                       1.0977
   153 mutex_unlock                               1.5938
   123 iget_locked                                0.1671
   117 xfs_dir_lookup                             0.1662
   117 dput                                       0.1406
   114 xfs_iget_core                              0.0268
    92 xfs_da_hashname                            0.1917
    75 d_alloc                                    0.0670
    68 vmap_page_range                            0.0462 <- vmap
    58 kmem_cache_alloc                           0.0604
    57 memset                                     0.0540
    52 rb_next                                    0.1625
    50 __copy_user                                0.0208
    49 bitmap_find_free_region                    0.2188 <- vmap
    46 ia64_sn_udelay                             0.1106
    45 find_inode_fast                            0.1406
    42 memcmp                                     0.2188
    42 finish_task_switch                         0.1094
    42 __d_lookup                                 0.0410
    40 radix_tree_lookup_slot                     0.1250
    37 _spin_unlock_irqrestore                    0.3854
    36 xfs_bmapi                                  0.0050
    36 kmem_cache_free                            0.0256
    35 xfs_vn_getattr                             0.0322
    34 radix_tree_lookup                          0.1062
    33 __link_path_walk                           0.0035
    31 xfs_da_do_buf                              0.0091
    30 _xfs_buf_find                              0.0204
    28 find_get_page                              0.0875
    27 xfs_iread                                  0.0241
    27 __strncpy_from_user                        0.2812
    26 _xfs_buf_initialize                        0.0406
    24 _xfs_buf_lookup_pages                      0.0179
    24 vunmap_page_range                          0.0250 <- vunmap
    23 find_lock_page                             0.0799
    22 vm_map_ram                                 0.0087 <- vmap
    20 kfree                                      0.0125
    19 put_page                                   0.0330
    18 __kmalloc                                  0.0176
    17 xfs_da_node_lookup_int                     0.0086
    17 _read_lock                                 0.0885
    17 page_waitqueue                             0.0664

vmap has gone from being the top 5 on the profiles and flushing the crap
out of all TLBs, to using less than 1% of kernel time.

[akpm@linux-foundation.org: cleanups, section fix]
[akpm@linux-foundation.org: fix build on alpha]
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/mm/pageattr.c   |   2 +
 arch/x86/xen/enlighten.c |   1 +
 arch/x86/xen/mmu.c       |   1 +
 include/linux/vmalloc.h  |  15 +-
 init/main.c              |   2 +
 mm/vmalloc.c             | 975 +++++++++++++++++++++++++++++++++------
 6 files changed, 862 insertions(+), 134 deletions(-)

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index a9ec89c3fbc..407d8784f66 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -792,6 +792,8 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages,
 	/* Must avoid aliasing mappings in the highmem code */
 	kmap_flush_unused();
 
+	vm_unmap_aliases();
+
 	cpa.vaddr = addr;
 	cpa.numpages = numpages;
 	cpa.mask_set = mask_set;
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 0013a729b41..b61534c7a4c 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -871,6 +871,7 @@ static void xen_alloc_ptpage(struct mm_struct *mm, unsigned long pfn, unsigned l
 			/* make sure there are no stray mappings of
 			   this page */
 			kmap_flush_unused();
+			vm_unmap_aliases();
 	}
 }
 
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index ae173f6edd8..d4d52f5a1cf 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -846,6 +846,7 @@ static void __xen_pgd_pin(struct mm_struct *mm, pgd_t *pgd)
 		/* re-enable interrupts for kmap_flush_unused */
 		xen_mc_issue(0);
 		kmap_flush_unused();
+		vm_unmap_aliases();
 		xen_mc_batch();
 	}
 
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 328eb402272..4c28c4d564e 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -2,6 +2,7 @@
 #define _LINUX_VMALLOC_H
 
 #include <linux/spinlock.h>
+#include <linux/init.h>
 #include <asm/page.h>		/* pgprot_t */
 
 struct vm_area_struct;		/* vma defining user mapping in mm_types.h */
@@ -23,7 +24,6 @@ struct vm_area_struct;		/* vma defining user mapping in mm_types.h */
 #endif
 
 struct vm_struct {
-	/* keep next,addr,size together to speedup lookups */
 	struct vm_struct	*next;
 	void			*addr;
 	unsigned long		size;
@@ -37,6 +37,19 @@ struct vm_struct {
 /*
  *	Highlevel APIs for driver use
  */
+extern void vm_unmap_ram(const void *mem, unsigned int count);
+extern void *vm_map_ram(struct page **pages, unsigned int count,
+				int node, pgprot_t prot);
+extern void vm_unmap_aliases(void);
+
+#ifdef CONFIG_MMU
+extern void __init vmalloc_init(void);
+#else
+static inline void vmalloc_init(void)
+{
+}
+#endif
+
 extern void *vmalloc(unsigned long size);
 extern void *vmalloc_user(unsigned long size);
 extern void *vmalloc_node(unsigned long size, int node);
diff --git a/init/main.c b/init/main.c
index 27f6bf6108e..4371d11721f 100644
--- a/init/main.c
+++ b/init/main.c
@@ -27,6 +27,7 @@
 #include <linux/gfp.h>
 #include <linux/percpu.h>
 #include <linux/kmod.h>
+#include <linux/vmalloc.h>
 #include <linux/kernel_stat.h>
 #include <linux/start_kernel.h>
 #include <linux/security.h>
@@ -642,6 +643,7 @@ asmlinkage void __init start_kernel(void)
 		initrd_start = 0;
 	}
 #endif
+	vmalloc_init();
 	vfs_caches_init_early();
 	cpuset_init_early();
 	mem_init();
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index bba06c41fc5..712ae47af0b 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -8,6 +8,7 @@
  *  Numa awareness, Christoph Lameter, SGI, June 2005
  */
 
+#include <linux/vmalloc.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/highmem.h>
@@ -18,16 +19,17 @@
 #include <linux/debugobjects.h>
 #include <linux/vmalloc.h>
 #include <linux/kallsyms.h>
+#include <linux/list.h>
+#include <linux/rbtree.h>
+#include <linux/radix-tree.h>
+#include <linux/rcupdate.h>
 
+#include <asm/atomic.h>
 #include <asm/uaccess.h>
 #include <asm/tlbflush.h>
 
 
-DEFINE_RWLOCK(vmlist_lock);
-struct vm_struct *vmlist;
-
-static void *__vmalloc_node(unsigned long size, gfp_t gfp_mask, pgprot_t prot,
-			    int node, void *caller);
+/*** Page table manipulation functions ***/
 
 static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
 {
@@ -40,8 +42,7 @@ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
 	} while (pte++, addr += PAGE_SIZE, addr != end);
 }
 
-static inline void vunmap_pmd_range(pud_t *pud, unsigned long addr,
-						unsigned long end)
+static void vunmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end)
 {
 	pmd_t *pmd;
 	unsigned long next;
@@ -55,8 +56,7 @@ static inline void vunmap_pmd_range(pud_t *pud, unsigned long addr,
 	} while (pmd++, addr = next, addr != end);
 }
 
-static inline void vunmap_pud_range(pgd_t *pgd, unsigned long addr,
-						unsigned long end)
+static void vunmap_pud_range(pgd_t *pgd, unsigned long addr, unsigned long end)
 {
 	pud_t *pud;
 	unsigned long next;
@@ -70,12 +70,10 @@ static inline void vunmap_pud_range(pgd_t *pgd, unsigned long addr,
 	} while (pud++, addr = next, addr != end);
 }
 
-void unmap_kernel_range(unsigned long addr, unsigned long size)
+static void vunmap_page_range(unsigned long addr, unsigned long end)
 {
 	pgd_t *pgd;
 	unsigned long next;
-	unsigned long start = addr;
-	unsigned long end = addr + size;
 
 	BUG_ON(addr >= end);
 	pgd = pgd_offset_k(addr);
@@ -86,35 +84,36 @@ void unmap_kernel_range(unsigned long addr, unsigned long size)
 			continue;
 		vunmap_pud_range(pgd, addr, next);
 	} while (pgd++, addr = next, addr != end);
-	flush_tlb_kernel_range(start, end);
-}
-
-static void unmap_vm_area(struct vm_struct *area)
-{
-	unmap_kernel_range((unsigned long)area->addr, area->size);
 }
 
 static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
-			unsigned long end, pgprot_t prot, struct page ***pages)
+		unsigned long end, pgprot_t prot, struct page **pages, int *nr)
 {
 	pte_t *pte;
 
+	/*
+	 * nr is a running index into the array which helps higher level
+	 * callers keep track of where we're up to.
+	 */
+
 	pte = pte_alloc_kernel(pmd, addr);
 	if (!pte)
 		return -ENOMEM;
 	do {
-		struct page *page = **pages;
-		WARN_ON(!pte_none(*pte));
-		if (!page)
+		struct page *page = pages[*nr];
+
+		if (WARN_ON(!pte_none(*pte)))
+			return -EBUSY;
+		if (WARN_ON(!page))
 			return -ENOMEM;
 		set_pte_at(&init_mm, addr, pte, mk_pte(page, prot));
-		(*pages)++;
+		(*nr)++;
 	} while (pte++, addr += PAGE_SIZE, addr != end);
 	return 0;
 }
 
-static inline int vmap_pmd_range(pud_t *pud, unsigned long addr,
-			unsigned long end, pgprot_t prot, struct page ***pages)
+static int vmap_pmd_range(pud_t *pud, unsigned long addr,
+		unsigned long end, pgprot_t prot, struct page **pages, int *nr)
 {
 	pmd_t *pmd;
 	unsigned long next;
@@ -124,14 +123,14 @@ static inline int vmap_pmd_range(pud_t *pud, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pmd_addr_end(addr, end);
-		if (vmap_pte_range(pmd, addr, next, prot, pages))
+		if (vmap_pte_range(pmd, addr, next, prot, pages, nr))
 			return -ENOMEM;
 	} while (pmd++, addr = next, addr != end);
 	return 0;
 }
 
-static inline int vmap_pud_range(pgd_t *pgd, unsigned long addr,
-			unsigned long end, pgprot_t prot, struct page ***pages)
+static int vmap_pud_range(pgd_t *pgd, unsigned long addr,
+		unsigned long end, pgprot_t prot, struct page **pages, int *nr)
 {
 	pud_t *pud;
 	unsigned long next;
@@ -141,44 +140,49 @@ static inline int vmap_pud_range(pgd_t *pgd, unsigned long addr,
 		return -ENOMEM;
 	do {
 		next = pud_addr_end(addr, end);
-		if (vmap_pmd_range(pud, addr, next, prot, pages))
+		if (vmap_pmd_range(pud, addr, next, prot, pages, nr))
 			return -ENOMEM;
 	} while (pud++, addr = next, addr != end);
 	return 0;
 }
 
-int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
+/*
+ * Set up page tables in kva (addr, end). The ptes shall have prot "prot", and
+ * will have pfns corresponding to the "pages" array.
+ *
+ * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
+ */
+static int vmap_page_range(unsigned long addr, unsigned long end,
+				pgprot_t prot, struct page **pages)
 {
 	pgd_t *pgd;
 	unsigned long next;
-	unsigned long addr = (unsigned long) area->addr;
-	unsigned long end = addr + area->size - PAGE_SIZE;
-	int err;
+	int err = 0;
+	int nr = 0;
 
 	BUG_ON(addr >= end);
 	pgd = pgd_offset_k(addr);
 	do {
 		next = pgd_addr_end(addr, end);
-		err = vmap_pud_range(pgd, addr, next, prot, pages);
+		err = vmap_pud_range(pgd, addr, next, prot, pages, &nr);
 		if (err)
 			break;
 	} while (pgd++, addr = next, addr != end);
-	flush_cache_vmap((unsigned long) area->addr, end);
-	return err;
+	flush_cache_vmap(addr, end);
+
+	if (unlikely(err))
+		return err;
+	return nr;
 }
-EXPORT_SYMBOL_GPL(map_vm_area);
 
 /*
- * Map a vmalloc()-space virtual address to the physical page.
+ * Walk a vmap address to the struct page it maps.
  */
 struct page *vmalloc_to_page(const void *vmalloc_addr)
 {
 	unsigned long addr = (unsigned long) vmalloc_addr;
 	struct page *page = NULL;
 	pgd_t *pgd = pgd_offset_k(addr);
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *ptep, pte;
 
 	/*
 	 * XXX we might need to change this if we add VIRTUAL_BUG_ON for
@@ -188,10 +192,12 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
 			!is_module_address(addr));
 
 	if (!pgd_none(*pgd)) {
-		pud = pud_offset(pgd, addr);
+		pud_t *pud = pud_offset(pgd, addr);
 		if (!pud_none(*pud)) {
-			pmd = pmd_offset(pud, addr);
+			pmd_t *pmd = pmd_offset(pud, addr);
 			if (!pmd_none(*pmd)) {
+				pte_t *ptep, pte;
+
 				ptep = pte_offset_map(pmd, addr);
 				pte = *ptep;
 				if (pte_present(pte))
@@ -213,13 +219,751 @@ unsigned long vmalloc_to_pfn(const void *vmalloc_addr)
 }
 EXPORT_SYMBOL(vmalloc_to_pfn);
 
-static struct vm_struct *
-__get_vm_area_node(unsigned long size, unsigned long flags, unsigned long start,
-		unsigned long end, int node, gfp_t gfp_mask, void *caller)
+
+/*** Global kva allocator ***/
+
+#define VM_LAZY_FREE	0x01
+#define VM_LAZY_FREEING	0x02
+#define VM_VM_AREA	0x04
+
+struct vmap_area {
+	unsigned long va_start;
+	unsigned long va_end;
+	unsigned long flags;
+	struct rb_node rb_node;		/* address sorted rbtree */
+	struct list_head list;		/* address sorted list */
+	struct list_head purge_list;	/* "lazy purge" list */
+	void *private;
+	struct rcu_head rcu_head;
+};
+
+static DEFINE_SPINLOCK(vmap_area_lock);
+static struct rb_root vmap_area_root = RB_ROOT;
+static LIST_HEAD(vmap_area_list);
+
+static struct vmap_area *__find_vmap_area(unsigned long addr)
 {
-	struct vm_struct **p, *tmp, *area;
-	unsigned long align = 1;
+	struct rb_node *n = vmap_area_root.rb_node;
+
+	while (n) {
+		struct vmap_area *va;
+
+		va = rb_entry(n, struct vmap_area, rb_node);
+		if (addr < va->va_start)
+			n = n->rb_left;
+		else if (addr > va->va_start)
+			n = n->rb_right;
+		else
+			return va;
+	}
+
+	return NULL;
+}
+
+static void __insert_vmap_area(struct vmap_area *va)
+{
+	struct rb_node **p = &vmap_area_root.rb_node;
+	struct rb_node *parent = NULL;
+	struct rb_node *tmp;
+
+	while (*p) {
+		struct vmap_area *tmp;
+
+		parent = *p;
+		tmp = rb_entry(parent, struct vmap_area, rb_node);
+		if (va->va_start < tmp->va_end)
+			p = &(*p)->rb_left;
+		else if (va->va_end > tmp->va_start)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&va->rb_node, parent, p);
+	rb_insert_color(&va->rb_node, &vmap_area_root);
+
+	/* address-sort this list so it is usable like the vmlist */
+	tmp = rb_prev(&va->rb_node);
+	if (tmp) {
+		struct vmap_area *prev;
+		prev = rb_entry(tmp, struct vmap_area, rb_node);
+		list_add_rcu(&va->list, &prev->list);
+	} else
+		list_add_rcu(&va->list, &vmap_area_list);
+}
+
+static void purge_vmap_area_lazy(void);
+
+/*
+ * Allocate a region of KVA of the specified size and alignment, within the
+ * vstart and vend.
+ */
+static struct vmap_area *alloc_vmap_area(unsigned long size,
+				unsigned long align,
+				unsigned long vstart, unsigned long vend,
+				int node, gfp_t gfp_mask)
+{
+	struct vmap_area *va;
+	struct rb_node *n;
+	unsigned long addr;
+	int purged = 0;
+
+	BUG_ON(size & ~PAGE_MASK);
+
+	addr = ALIGN(vstart, align);
+
+	va = kmalloc_node(sizeof(struct vmap_area),
+			gfp_mask & GFP_RECLAIM_MASK, node);
+	if (unlikely(!va))
+		return ERR_PTR(-ENOMEM);
+
+retry:
+	spin_lock(&vmap_area_lock);
+	/* XXX: could have a last_hole cache */
+	n = vmap_area_root.rb_node;
+	if (n) {
+		struct vmap_area *first = NULL;
+
+		do {
+			struct vmap_area *tmp;
+			tmp = rb_entry(n, struct vmap_area, rb_node);
+			if (tmp->va_end >= addr) {
+				if (!first && tmp->va_start < addr + size)
+					first = tmp;
+				n = n->rb_left;
+			} else {
+				first = tmp;
+				n = n->rb_right;
+			}
+		} while (n);
+
+		if (!first)
+			goto found;
+
+		if (first->va_end < addr) {
+			n = rb_next(&first->rb_node);
+			if (n)
+				first = rb_entry(n, struct vmap_area, rb_node);
+			else
+				goto found;
+		}
+
+		while (addr + size >= first->va_start && addr + size <= vend) {
+			addr = ALIGN(first->va_end + PAGE_SIZE, align);
+
+			n = rb_next(&first->rb_node);
+			if (n)
+				first = rb_entry(n, struct vmap_area, rb_node);
+			else
+				goto found;
+		}
+	}
+found:
+	if (addr + size > vend) {
+		spin_unlock(&vmap_area_lock);
+		if (!purged) {
+			purge_vmap_area_lazy();
+			purged = 1;
+			goto retry;
+		}
+		if (printk_ratelimit())
+			printk(KERN_WARNING "vmap allocation failed: "
+				 "use vmalloc=<size> to increase size.\n");
+		return ERR_PTR(-EBUSY);
+	}
+
+	BUG_ON(addr & (align-1));
+
+	va->va_start = addr;
+	va->va_end = addr + size;
+	va->flags = 0;
+	__insert_vmap_area(va);
+	spin_unlock(&vmap_area_lock);
+
+	return va;
+}
+
+static void rcu_free_va(struct rcu_head *head)
+{
+	struct vmap_area *va = container_of(head, struct vmap_area, rcu_head);
+
+	kfree(va);
+}
+
+static void __free_vmap_area(struct vmap_area *va)
+{
+	BUG_ON(RB_EMPTY_NODE(&va->rb_node));
+	rb_erase(&va->rb_node, &vmap_area_root);
+	RB_CLEAR_NODE(&va->rb_node);
+	list_del_rcu(&va->list);
+
+	call_rcu(&va->rcu_head, rcu_free_va);
+}
+
+/*
+ * Free a region of KVA allocated by alloc_vmap_area
+ */
+static void free_vmap_area(struct vmap_area *va)
+{
+	spin_lock(&vmap_area_lock);
+	__free_vmap_area(va);
+	spin_unlock(&vmap_area_lock);
+}
+
+/*
+ * Clear the pagetable entries of a given vmap_area
+ */
+static void unmap_vmap_area(struct vmap_area *va)
+{
+	vunmap_page_range(va->va_start, va->va_end);
+}
+
+/*
+ * lazy_max_pages is the maximum amount of virtual address space we gather up
+ * before attempting to purge with a TLB flush.
+ *
+ * There is a tradeoff here: a larger number will cover more kernel page tables
+ * and take slightly longer to purge, but it will linearly reduce the number of
+ * global TLB flushes that must be performed. It would seem natural to scale
+ * this number up linearly with the number of CPUs (because vmapping activity
+ * could also scale linearly with the number of CPUs), however it is likely
+ * that in practice, workloads might be constrained in other ways that mean
+ * vmap activity will not scale linearly with CPUs. Also, I want to be
+ * conservative and not introduce a big latency on huge systems, so go with
+ * a less aggressive log scale. It will still be an improvement over the old
+ * code, and it will be simple to change the scale factor if we find that it
+ * becomes a problem on bigger systems.
+ */
+static unsigned long lazy_max_pages(void)
+{
+	unsigned int log;
+
+	log = fls(num_online_cpus());
+
+	return log * (32UL * 1024 * 1024 / PAGE_SIZE);
+}
+
+static atomic_t vmap_lazy_nr = ATOMIC_INIT(0);
+
+/*
+ * Purges all lazily-freed vmap areas.
+ *
+ * If sync is 0 then don't purge if there is already a purge in progress.
+ * If force_flush is 1, then flush kernel TLBs between *start and *end even
+ * if we found no lazy vmap areas to unmap (callers can use this to optimise
+ * their own TLB flushing).
+ * Returns with *start = min(*start, lowest purged address)
+ *              *end = max(*end, highest purged address)
+ */
+static void __purge_vmap_area_lazy(unsigned long *start, unsigned long *end,
+					int sync, int force_flush)
+{
+	static DEFINE_SPINLOCK(purge_lock);
+	LIST_HEAD(valist);
+	struct vmap_area *va;
+	int nr = 0;
+
+	/*
+	 * If sync is 0 but force_flush is 1, we'll go sync anyway but callers
+	 * should not expect such behaviour. This just simplifies locking for
+	 * the case that isn't actually used at the moment anyway.
+	 */
+	if (!sync && !force_flush) {
+		if (!spin_trylock(&purge_lock))
+			return;
+	} else
+		spin_lock(&purge_lock);
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(va, &vmap_area_list, list) {
+		if (va->flags & VM_LAZY_FREE) {
+			if (va->va_start < *start)
+				*start = va->va_start;
+			if (va->va_end > *end)
+				*end = va->va_end;
+			nr += (va->va_end - va->va_start) >> PAGE_SHIFT;
+			unmap_vmap_area(va);
+			list_add_tail(&va->purge_list, &valist);
+			va->flags |= VM_LAZY_FREEING;
+			va->flags &= ~VM_LAZY_FREE;
+		}
+	}
+	rcu_read_unlock();
+
+	if (nr) {
+		BUG_ON(nr > atomic_read(&vmap_lazy_nr));
+		atomic_sub(nr, &vmap_lazy_nr);
+	}
+
+	if (nr || force_flush)
+		flush_tlb_kernel_range(*start, *end);
+
+	if (nr) {
+		spin_lock(&vmap_area_lock);
+		list_for_each_entry(va, &valist, purge_list)
+			__free_vmap_area(va);
+		spin_unlock(&vmap_area_lock);
+	}
+	spin_unlock(&purge_lock);
+}
+
+/*
+ * Kick off a purge of the outstanding lazy areas.
+ */
+static void purge_vmap_area_lazy(void)
+{
+	unsigned long start = ULONG_MAX, end = 0;
+
+	__purge_vmap_area_lazy(&start, &end, 0, 0);
+}
+
+/*
+ * Free and unmap a vmap area
+ */
+static void free_unmap_vmap_area(struct vmap_area *va)
+{
+	va->flags |= VM_LAZY_FREE;
+	atomic_add((va->va_end - va->va_start) >> PAGE_SHIFT, &vmap_lazy_nr);
+	if (unlikely(atomic_read(&vmap_lazy_nr) > lazy_max_pages()))
+		purge_vmap_area_lazy();
+}
+
+static struct vmap_area *find_vmap_area(unsigned long addr)
+{
+	struct vmap_area *va;
+
+	spin_lock(&vmap_area_lock);
+	va = __find_vmap_area(addr);
+	spin_unlock(&vmap_area_lock);
+
+	return va;
+}
+
+static void free_unmap_vmap_area_addr(unsigned long addr)
+{
+	struct vmap_area *va;
+
+	va = find_vmap_area(addr);
+	BUG_ON(!va);
+	free_unmap_vmap_area(va);
+}
+
+
+/*** Per cpu kva allocator ***/
+
+/*
+ * vmap space is limited especially on 32 bit architectures. Ensure there is
+ * room for at least 16 percpu vmap blocks per CPU.
+ */
+/*
+ * If we had a constant VMALLOC_START and VMALLOC_END, we'd like to be able
+ * to #define VMALLOC_SPACE		(VMALLOC_END-VMALLOC_START). Guess
+ * instead (we just need a rough idea)
+ */
+#if BITS_PER_LONG == 32
+#define VMALLOC_SPACE		(128UL*1024*1024)
+#else
+#define VMALLOC_SPACE		(128UL*1024*1024*1024)
+#endif
+
+#define VMALLOC_PAGES		(VMALLOC_SPACE / PAGE_SIZE)
+#define VMAP_MAX_ALLOC		BITS_PER_LONG	/* 256K with 4K pages */
+#define VMAP_BBMAP_BITS_MAX	1024	/* 4MB with 4K pages */
+#define VMAP_BBMAP_BITS_MIN	(VMAP_MAX_ALLOC*2)
+#define VMAP_MIN(x, y)		((x) < (y) ? (x) : (y)) /* can't use min() */
+#define VMAP_MAX(x, y)		((x) > (y) ? (x) : (y)) /* can't use max() */
+#define VMAP_BBMAP_BITS		VMAP_MIN(VMAP_BBMAP_BITS_MAX,		\
+					VMAP_MAX(VMAP_BBMAP_BITS_MIN,	\
+						VMALLOC_PAGES / NR_CPUS / 16))
+
+#define VMAP_BLOCK_SIZE		(VMAP_BBMAP_BITS * PAGE_SIZE)
+
+struct vmap_block_queue {
+	spinlock_t lock;
+	struct list_head free;
+	struct list_head dirty;
+	unsigned int nr_dirty;
+};
+
+struct vmap_block {
+	spinlock_t lock;
+	struct vmap_area *va;
+	struct vmap_block_queue *vbq;
+	unsigned long free, dirty;
+	DECLARE_BITMAP(alloc_map, VMAP_BBMAP_BITS);
+	DECLARE_BITMAP(dirty_map, VMAP_BBMAP_BITS);
+	union {
+		struct {
+			struct list_head free_list;
+			struct list_head dirty_list;
+		};
+		struct rcu_head rcu_head;
+	};
+};
+
+/* Queue of free and dirty vmap blocks, for allocation and flushing purposes */
+static DEFINE_PER_CPU(struct vmap_block_queue, vmap_block_queue);
+
+/*
+ * Radix tree of vmap blocks, indexed by address, to quickly find a vmap block
+ * in the free path. Could get rid of this if we change the API to return a
+ * "cookie" from alloc, to be passed to free. But no big deal yet.
+ */
+static DEFINE_SPINLOCK(vmap_block_tree_lock);
+static RADIX_TREE(vmap_block_tree, GFP_ATOMIC);
+
+/*
+ * We should probably have a fallback mechanism to allocate virtual memory
+ * out of partially filled vmap blocks. However vmap block sizing should be
+ * fairly reasonable according to the vmalloc size, so it shouldn't be a
+ * big problem.
+ */
+
+static unsigned long addr_to_vb_idx(unsigned long addr)
+{
+	addr -= VMALLOC_START & ~(VMAP_BLOCK_SIZE-1);
+	addr /= VMAP_BLOCK_SIZE;
+	return addr;
+}
+
+static struct vmap_block *new_vmap_block(gfp_t gfp_mask)
+{
+	struct vmap_block_queue *vbq;
+	struct vmap_block *vb;
+	struct vmap_area *va;
+	unsigned long vb_idx;
+	int node, err;
+
+	node = numa_node_id();
+
+	vb = kmalloc_node(sizeof(struct vmap_block),
+			gfp_mask & GFP_RECLAIM_MASK, node);
+	if (unlikely(!vb))
+		return ERR_PTR(-ENOMEM);
+
+	va = alloc_vmap_area(VMAP_BLOCK_SIZE, VMAP_BLOCK_SIZE,
+					VMALLOC_START, VMALLOC_END,
+					node, gfp_mask);
+	if (unlikely(IS_ERR(va))) {
+		kfree(vb);
+		return ERR_PTR(PTR_ERR(va));
+	}
+
+	err = radix_tree_preload(gfp_mask);
+	if (unlikely(err)) {
+		kfree(vb);
+		free_vmap_area(va);
+		return ERR_PTR(err);
+	}
+
+	spin_lock_init(&vb->lock);
+	vb->va = va;
+	vb->free = VMAP_BBMAP_BITS;
+	vb->dirty = 0;
+	bitmap_zero(vb->alloc_map, VMAP_BBMAP_BITS);
+	bitmap_zero(vb->dirty_map, VMAP_BBMAP_BITS);
+	INIT_LIST_HEAD(&vb->free_list);
+	INIT_LIST_HEAD(&vb->dirty_list);
+
+	vb_idx = addr_to_vb_idx(va->va_start);
+	spin_lock(&vmap_block_tree_lock);
+	err = radix_tree_insert(&vmap_block_tree, vb_idx, vb);
+	spin_unlock(&vmap_block_tree_lock);
+	BUG_ON(err);
+	radix_tree_preload_end();
+
+	vbq = &get_cpu_var(vmap_block_queue);
+	vb->vbq = vbq;
+	spin_lock(&vbq->lock);
+	list_add(&vb->free_list, &vbq->free);
+	spin_unlock(&vbq->lock);
+	put_cpu_var(vmap_cpu_blocks);
+
+	return vb;
+}
+
+static void rcu_free_vb(struct rcu_head *head)
+{
+	struct vmap_block *vb = container_of(head, struct vmap_block, rcu_head);
+
+	kfree(vb);
+}
+
+static void free_vmap_block(struct vmap_block *vb)
+{
+	struct vmap_block *tmp;
+	unsigned long vb_idx;
+
+	spin_lock(&vb->vbq->lock);
+	if (!list_empty(&vb->free_list))
+		list_del(&vb->free_list);
+	if (!list_empty(&vb->dirty_list))
+		list_del(&vb->dirty_list);
+	spin_unlock(&vb->vbq->lock);
+
+	vb_idx = addr_to_vb_idx(vb->va->va_start);
+	spin_lock(&vmap_block_tree_lock);
+	tmp = radix_tree_delete(&vmap_block_tree, vb_idx);
+	spin_unlock(&vmap_block_tree_lock);
+	BUG_ON(tmp != vb);
+
+	free_unmap_vmap_area(vb->va);
+	call_rcu(&vb->rcu_head, rcu_free_vb);
+}
+
+static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
+{
+	struct vmap_block_queue *vbq;
+	struct vmap_block *vb;
+	unsigned long addr = 0;
+	unsigned int order;
+
+	BUG_ON(size & ~PAGE_MASK);
+	BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
+	order = get_order(size);
+
+again:
+	rcu_read_lock();
+	vbq = &get_cpu_var(vmap_block_queue);
+	list_for_each_entry_rcu(vb, &vbq->free, free_list) {
+		int i;
+
+		spin_lock(&vb->lock);
+		i = bitmap_find_free_region(vb->alloc_map,
+						VMAP_BBMAP_BITS, order);
+
+		if (i >= 0) {
+			addr = vb->va->va_start + (i << PAGE_SHIFT);
+			BUG_ON(addr_to_vb_idx(addr) !=
+					addr_to_vb_idx(vb->va->va_start));
+			vb->free -= 1UL << order;
+			if (vb->free == 0) {
+				spin_lock(&vbq->lock);
+				list_del_init(&vb->free_list);
+				spin_unlock(&vbq->lock);
+			}
+			spin_unlock(&vb->lock);
+			break;
+		}
+		spin_unlock(&vb->lock);
+	}
+	put_cpu_var(vmap_cpu_blocks);
+	rcu_read_unlock();
+
+	if (!addr) {
+		vb = new_vmap_block(gfp_mask);
+		if (IS_ERR(vb))
+			return vb;
+		goto again;
+	}
+
+	return (void *)addr;
+}
+
+static void vb_free(const void *addr, unsigned long size)
+{
+	unsigned long offset;
+	unsigned long vb_idx;
+	unsigned int order;
+	struct vmap_block *vb;
+
+	BUG_ON(size & ~PAGE_MASK);
+	BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
+	order = get_order(size);
+
+	offset = (unsigned long)addr & (VMAP_BLOCK_SIZE - 1);
+
+	vb_idx = addr_to_vb_idx((unsigned long)addr);
+	rcu_read_lock();
+	vb = radix_tree_lookup(&vmap_block_tree, vb_idx);
+	rcu_read_unlock();
+	BUG_ON(!vb);
+
+	spin_lock(&vb->lock);
+	bitmap_allocate_region(vb->dirty_map, offset >> PAGE_SHIFT, order);
+	if (!vb->dirty) {
+		spin_lock(&vb->vbq->lock);
+		list_add(&vb->dirty_list, &vb->vbq->dirty);
+		spin_unlock(&vb->vbq->lock);
+	}
+	vb->dirty += 1UL << order;
+	if (vb->dirty == VMAP_BBMAP_BITS) {
+		BUG_ON(vb->free || !list_empty(&vb->free_list));
+		spin_unlock(&vb->lock);
+		free_vmap_block(vb);
+	} else
+		spin_unlock(&vb->lock);
+}
+
+/**
+ * vm_unmap_aliases - unmap outstanding lazy aliases in the vmap layer
+ *
+ * The vmap/vmalloc layer lazily flushes kernel virtual mappings primarily
+ * to amortize TLB flushing overheads. What this means is that any page you
+ * have now, may, in a former life, have been mapped into kernel virtual
+ * address by the vmap layer and so there might be some CPUs with TLB entries
+ * still referencing that page (additional to the regular 1:1 kernel mapping).
+ *
+ * vm_unmap_aliases flushes all such lazy mappings. After it returns, we can
+ * be sure that none of the pages we have control over will have any aliases
+ * from the vmap layer.
+ */
+void vm_unmap_aliases(void)
+{
+	unsigned long start = ULONG_MAX, end = 0;
+	int cpu;
+	int flush = 0;
+
+	for_each_possible_cpu(cpu) {
+		struct vmap_block_queue *vbq = &per_cpu(vmap_block_queue, cpu);
+		struct vmap_block *vb;
+
+		rcu_read_lock();
+		list_for_each_entry_rcu(vb, &vbq->free, free_list) {
+			int i;
+
+			spin_lock(&vb->lock);
+			i = find_first_bit(vb->dirty_map, VMAP_BBMAP_BITS);
+			while (i < VMAP_BBMAP_BITS) {
+				unsigned long s, e;
+				int j;
+				j = find_next_zero_bit(vb->dirty_map,
+					VMAP_BBMAP_BITS, i);
+
+				s = vb->va->va_start + (i << PAGE_SHIFT);
+				e = vb->va->va_start + (j << PAGE_SHIFT);
+				vunmap_page_range(s, e);
+				flush = 1;
+
+				if (s < start)
+					start = s;
+				if (e > end)
+					end = e;
+
+				i = j;
+				i = find_next_bit(vb->dirty_map,
+							VMAP_BBMAP_BITS, i);
+			}
+			spin_unlock(&vb->lock);
+		}
+		rcu_read_unlock();
+	}
+
+	__purge_vmap_area_lazy(&start, &end, 1, flush);
+}
+EXPORT_SYMBOL_GPL(vm_unmap_aliases);
+
+/**
+ * vm_unmap_ram - unmap linear kernel address space set up by vm_map_ram
+ * @mem: the pointer returned by vm_map_ram
+ * @count: the count passed to that vm_map_ram call (cannot unmap partial)
+ */
+void vm_unmap_ram(const void *mem, unsigned int count)
+{
+	unsigned long size = count << PAGE_SHIFT;
+	unsigned long addr = (unsigned long)mem;
+
+	BUG_ON(!addr);
+	BUG_ON(addr < VMALLOC_START);
+	BUG_ON(addr > VMALLOC_END);
+	BUG_ON(addr & (PAGE_SIZE-1));
+
+	debug_check_no_locks_freed(mem, size);
+
+	if (likely(count <= VMAP_MAX_ALLOC))
+		vb_free(mem, size);
+	else
+		free_unmap_vmap_area_addr(addr);
+}
+EXPORT_SYMBOL(vm_unmap_ram);
+
+/**
+ * vm_map_ram - map pages linearly into kernel virtual address (vmalloc space)
+ * @pages: an array of pointers to the pages to be mapped
+ * @count: number of pages
+ * @node: prefer to allocate data structures on this node
+ * @prot: memory protection to use. PAGE_KERNEL for regular RAM
+ * @returns: a pointer to the address that has been mapped, or NULL on failure
+ */
+void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t prot)
+{
+	unsigned long size = count << PAGE_SHIFT;
 	unsigned long addr;
+	void *mem;
+
+	if (likely(count <= VMAP_MAX_ALLOC)) {
+		mem = vb_alloc(size, GFP_KERNEL);
+		if (IS_ERR(mem))
+			return NULL;
+		addr = (unsigned long)mem;
+	} else {
+		struct vmap_area *va;
+		va = alloc_vmap_area(size, PAGE_SIZE,
+				VMALLOC_START, VMALLOC_END, node, GFP_KERNEL);
+		if (IS_ERR(va))
+			return NULL;
+
+		addr = va->va_start;
+		mem = (void *)addr;
+	}
+	if (vmap_page_range(addr, addr + size, prot, pages) < 0) {
+		vm_unmap_ram(mem, count);
+		return NULL;
+	}
+	return mem;
+}
+EXPORT_SYMBOL(vm_map_ram);
+
+void __init vmalloc_init(void)
+{
+	int i;
+
+	for_each_possible_cpu(i) {
+		struct vmap_block_queue *vbq;
+
+		vbq = &per_cpu(vmap_block_queue, i);
+		spin_lock_init(&vbq->lock);
+		INIT_LIST_HEAD(&vbq->free);
+		INIT_LIST_HEAD(&vbq->dirty);
+		vbq->nr_dirty = 0;
+	}
+}
+
+void unmap_kernel_range(unsigned long addr, unsigned long size)
+{
+	unsigned long end = addr + size;
+	vunmap_page_range(addr, end);
+	flush_tlb_kernel_range(addr, end);
+}
+
+int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
+{
+	unsigned long addr = (unsigned long)area->addr;
+	unsigned long end = addr + area->size - PAGE_SIZE;
+	int err;
+
+	err = vmap_page_range(addr, end, prot, *pages);
+	if (err > 0) {
+		*pages += err;
+		err = 0;
+	}
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(map_vm_area);
+
+/*** Old vmalloc interfaces ***/
+DEFINE_RWLOCK(vmlist_lock);
+struct vm_struct *vmlist;
+
+static struct vm_struct *__get_vm_area_node(unsigned long size,
+		unsigned long flags, unsigned long start, unsigned long end,
+		int node, gfp_t gfp_mask, void *caller)
+{
+	static struct vmap_area *va;
+	struct vm_struct *area;
+	struct vm_struct *tmp, **p;
+	unsigned long align = 1;
 
 	BUG_ON(in_interrupt());
 	if (flags & VM_IOREMAP) {
@@ -232,13 +976,12 @@ __get_vm_area_node(unsigned long size, unsigned long flags, unsigned long start,
 
 		align = 1ul << bit;
 	}
-	addr = ALIGN(start, align);
+
 	size = PAGE_ALIGN(size);
 	if (unlikely(!size))
 		return NULL;
 
 	area = kmalloc_node(sizeof(*area), gfp_mask & GFP_RECLAIM_MASK, node);
-
 	if (unlikely(!area))
 		return NULL;
 
@@ -247,48 +990,32 @@ __get_vm_area_node(unsigned long size, unsigned long flags, unsigned long start,
 	 */
 	size += PAGE_SIZE;
 
-	write_lock(&vmlist_lock);
-	for (p = &vmlist; (tmp = *p) != NULL ;p = &tmp->next) {
-		if ((unsigned long)tmp->addr < addr) {
-			if((unsigned long)tmp->addr + tmp->size >= addr)
-				addr = ALIGN(tmp->size + 
-					     (unsigned long)tmp->addr, align);
-			continue;
-		}
-		if ((size + addr) < addr)
-			goto out;
-		if (size + addr <= (unsigned long)tmp->addr)
-			goto found;
-		addr = ALIGN(tmp->size + (unsigned long)tmp->addr, align);
-		if (addr > end - size)
-			goto out;
+	va = alloc_vmap_area(size, align, start, end, node, gfp_mask);
+	if (IS_ERR(va)) {
+		kfree(area);
+		return NULL;
 	}
-	if ((size + addr) < addr)
-		goto out;
-	if (addr > end - size)
-		goto out;
-
-found:
-	area->next = *p;
-	*p = area;
 
 	area->flags = flags;
-	area->addr = (void *)addr;
+	area->addr = (void *)va->va_start;
 	area->size = size;
 	area->pages = NULL;
 	area->nr_pages = 0;
 	area->phys_addr = 0;
 	area->caller = caller;
+	va->private = area;
+	va->flags |= VM_VM_AREA;
+
+	write_lock(&vmlist_lock);
+	for (p = &vmlist; (tmp = *p) != NULL; p = &tmp->next) {
+		if (tmp->addr >= area->addr)
+			break;
+	}
+	area->next = *p;
+	*p = area;
 	write_unlock(&vmlist_lock);
 
 	return area;
-
-out:
-	write_unlock(&vmlist_lock);
-	kfree(area);
-	if (printk_ratelimit())
-		printk(KERN_WARNING "allocation failed: out of vmalloc space - use vmalloc=<size> to increase size.\n");
-	return NULL;
 }
 
 struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
@@ -328,39 +1055,15 @@ struct vm_struct *get_vm_area_node(unsigned long size, unsigned long flags,
 				  gfp_mask, __builtin_return_address(0));
 }
 
-/* Caller must hold vmlist_lock */
-static struct vm_struct *__find_vm_area(const void *addr)
+static struct vm_struct *find_vm_area(const void *addr)
 {
-	struct vm_struct *tmp;
+	struct vmap_area *va;
 
-	for (tmp = vmlist; tmp != NULL; tmp = tmp->next) {
-		 if (tmp->addr == addr)
-			break;
-	}
-
-	return tmp;
-}
-
-/* Caller must hold vmlist_lock */
-static struct vm_struct *__remove_vm_area(const void *addr)
-{
-	struct vm_struct **p, *tmp;
+	va = find_vmap_area((unsigned long)addr);
+	if (va && va->flags & VM_VM_AREA)
+		return va->private;
 
-	for (p = &vmlist ; (tmp = *p) != NULL ;p = &tmp->next) {
-		 if (tmp->addr == addr)
-			 goto found;
-	}
 	return NULL;
-
-found:
-	unmap_vm_area(tmp);
-	*p = tmp->next;
-
-	/*
-	 * Remove the guard page.
-	 */
-	tmp->size -= PAGE_SIZE;
-	return tmp;
 }
 
 /**
@@ -373,11 +1076,24 @@ found:
  */
 struct vm_struct *remove_vm_area(const void *addr)
 {
-	struct vm_struct *v;
-	write_lock(&vmlist_lock);
-	v = __remove_vm_area(addr);
-	write_unlock(&vmlist_lock);
-	return v;
+	struct vmap_area *va;
+
+	va = find_vmap_area((unsigned long)addr);
+	if (va && va->flags & VM_VM_AREA) {
+		struct vm_struct *vm = va->private;
+		struct vm_struct *tmp, **p;
+		free_unmap_vmap_area(va);
+		vm->size -= PAGE_SIZE;
+
+		write_lock(&vmlist_lock);
+		for (p = &vmlist; (tmp = *p) != vm; p = &tmp->next)
+			;
+		*p = tmp->next;
+		write_unlock(&vmlist_lock);
+
+		return vm;
+	}
+	return NULL;
 }
 
 static void __vunmap(const void *addr, int deallocate_pages)
@@ -487,6 +1203,8 @@ void *vmap(struct page **pages, unsigned int count,
 }
 EXPORT_SYMBOL(vmap);
 
+static void *__vmalloc_node(unsigned long size, gfp_t gfp_mask, pgprot_t prot,
+			    int node, void *caller);
 static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 				 pgprot_t prot, int node, void *caller)
 {
@@ -613,10 +1331,8 @@ void *vmalloc_user(unsigned long size)
 
 	ret = __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
 	if (ret) {
-		write_lock(&vmlist_lock);
-		area = __find_vm_area(ret);
+		area = find_vm_area(ret);
 		area->flags |= VM_USERMAP;
-		write_unlock(&vmlist_lock);
 	}
 	return ret;
 }
@@ -696,10 +1412,8 @@ void *vmalloc_32_user(unsigned long size)
 
 	ret = __vmalloc(size, GFP_VMALLOC32 | __GFP_ZERO, PAGE_KERNEL);
 	if (ret) {
-		write_lock(&vmlist_lock);
-		area = __find_vm_area(ret);
+		area = find_vm_area(ret);
 		area->flags |= VM_USERMAP;
-		write_unlock(&vmlist_lock);
 	}
 	return ret;
 }
@@ -800,26 +1514,25 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
 	struct vm_struct *area;
 	unsigned long uaddr = vma->vm_start;
 	unsigned long usize = vma->vm_end - vma->vm_start;
-	int ret;
 
 	if ((PAGE_SIZE-1) & (unsigned long)addr)
 		return -EINVAL;
 
-	read_lock(&vmlist_lock);
-	area = __find_vm_area(addr);
+	area = find_vm_area(addr);
 	if (!area)
-		goto out_einval_locked;
+		return -EINVAL;
 
 	if (!(area->flags & VM_USERMAP))
-		goto out_einval_locked;
+		return -EINVAL;
 
 	if (usize + (pgoff << PAGE_SHIFT) > area->size - PAGE_SIZE)
-		goto out_einval_locked;
-	read_unlock(&vmlist_lock);
+		return -EINVAL;
 
 	addr += pgoff << PAGE_SHIFT;
 	do {
 		struct page *page = vmalloc_to_page(addr);
+		int ret;
+
 		ret = vm_insert_page(vma, uaddr, page);
 		if (ret)
 			return ret;
@@ -832,11 +1545,7 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
 	/* Prevent "things" like memory migration? VM_flags need a cleanup... */
 	vma->vm_flags |= VM_RESERVED;
 
-	return ret;
-
-out_einval_locked:
-	read_unlock(&vmlist_lock);
-	return -EINVAL;
+	return 0;
 }
 EXPORT_SYMBOL(remap_vmalloc_range);
 
-- 
GitLab


From 2a4b3ded5c76fbe373d6415b1b3ad4841f15c9bd Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Sat, 18 Oct 2008 20:27:06 -0700
Subject: [PATCH 1383/2224] mm: hugetlb.c make functions static, use NULL
 rather than 0

mm/hugetlb.c:265:17: warning: symbol 'resv_map_alloc' was not declared. Should it be static?
mm/hugetlb.c:277:6: warning: symbol 'resv_map_release' was not declared. Should it be static?
mm/hugetlb.c:292:9: warning: Using plain integer as NULL pointer
mm/hugetlb.c:1750:5: warning: symbol 'unmap_ref_private' was not declared. Should it be static?

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/hugetlb.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 2fc7fddd9b1..ab79cd4dd23 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -262,7 +262,7 @@ struct resv_map {
 	struct list_head regions;
 };
 
-struct resv_map *resv_map_alloc(void)
+static struct resv_map *resv_map_alloc(void)
 {
 	struct resv_map *resv_map = kmalloc(sizeof(*resv_map), GFP_KERNEL);
 	if (!resv_map)
@@ -274,7 +274,7 @@ struct resv_map *resv_map_alloc(void)
 	return resv_map;
 }
 
-void resv_map_release(struct kref *ref)
+static void resv_map_release(struct kref *ref)
 {
 	struct resv_map *resv_map = container_of(ref, struct resv_map, refs);
 
@@ -289,7 +289,7 @@ static struct resv_map *vma_resv_map(struct vm_area_struct *vma)
 	if (!(vma->vm_flags & VM_SHARED))
 		return (struct resv_map *)(get_vma_private_data(vma) &
 							~HPAGE_RESV_MASK);
-	return 0;
+	return NULL;
 }
 
 static void set_vma_resv_map(struct vm_area_struct *vma, struct resv_map *map)
@@ -1747,10 +1747,8 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
  * from other VMAs and let the children be SIGKILLed if they are faulting the
  * same region.
  */
-int unmap_ref_private(struct mm_struct *mm,
-					struct vm_area_struct *vma,
-					struct page *page,
-					unsigned long address)
+static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
+				struct page *page, unsigned long address)
 {
 	struct vm_area_struct *iter_vma;
 	struct address_space *mapping;
-- 
GitLab


From d903ef9f38813e7eb268744a7e579e92f411c83a Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Sat, 18 Oct 2008 20:27:06 -0700
Subject: [PATCH 1384/2224] mm: print out meminit for memmap

Improve debuggability of memory setup problems.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index cfbadad75d1..8f155e9e43d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3457,8 +3457,8 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
 			PAGE_ALIGN(size * sizeof(struct page)) >> PAGE_SHIFT;
 		if (realsize >= memmap_pages) {
 			realsize -= memmap_pages;
-			mminit_dprintk(MMINIT_TRACE, "memmap_init",
-				"%s zone: %lu pages used for memmap\n",
+			printk(KERN_DEBUG
+				"  %s zone: %lu pages used for memmap\n",
 				zone_names[j], memmap_pages);
 		} else
 			printk(KERN_WARNING
@@ -3468,8 +3468,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
 		/* Account for reserved pages */
 		if (j == 0 && realsize > dma_reserve) {
 			realsize -= dma_reserve;
-			mminit_dprintk(MMINIT_TRACE, "memmap_init",
-					"%s zone: %lu pages reserved\n",
+			printk(KERN_DEBUG "  %s zone: %lu pages reserved\n",
 					zone_names[0], dma_reserve);
 		}
 
-- 
GitLab


From e575f111dc0f27044e170580e7de50985ab3e011 Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:27:08 -0700
Subject: [PATCH 1385/2224] coredump_filter: add hugepage dumping

Presently hugepage's vma has a VM_RESERVED flag in order not to be
swapped.  But a VM_RESERVED vma isn't core dumped because this flag is
often used for some kernel vmas (e.g.  vmalloc, sound related).

Thus hugepages are never dumped and it can't be debugged easily.  Many
developers want hugepages to be included into core-dump.

However, We can't read generic VM_RESERVED area because this area is often
IO mapping area.  then these area reading may change device state.  it is
definitly undesiable side-effect.

So adding a hugepage specific bit to the coredump filter is better.  It
will be able to hugepage core dumping and doesn't cause any side-effect to
any i/o devices.

In additional, libhugetlb use hugetlb private mapping pages as anonymous
page.  Then, hugepage private mapping pages should be core dumped by
default.

Then, /proc/[pid]/core_dump_filter has two new bits.

 - bit 5 mean hugetlb private mapping pages are dumped or not. (default: yes)
 - bit 6 mean hugetlb shared mapping pages are dumped or not.  (default: no)

I tested by following method.

% ulimit -c unlimited
% ./crash_hugepage  50
% ./crash_hugepage  50  -p
% ls -lh
% gdb ./crash_hugepage core
%
% echo 0x43 > /proc/self/coredump_filter
% ./crash_hugepage  50
% ./crash_hugepage  50  -p
% ls -lh
% gdb ./crash_hugepage core

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <string.h>

#include "hugetlbfs.h"

int main(int argc, char** argv){
	char* p;
	int ch;
	int mmap_flags = MAP_SHARED;
	int fd;
	int nr_pages;

	while((ch = getopt(argc, argv, "p")) != -1) {
		switch (ch) {
		case 'p':
			mmap_flags &= ~MAP_SHARED;
			mmap_flags |= MAP_PRIVATE;
			break;
		default:
			/* nothing*/
			break;
		}
	}
	argc -= optind;
	argv += optind;

	if (argc == 0){
		printf("need # of pages\n");
		exit(1);
	}

	nr_pages = atoi(argv[0]);
	if (nr_pages < 2) {
		printf("nr_pages must >2\n");
		exit(1);
	}

	fd = hugetlbfs_unlinked_fd();
	p = mmap(NULL, nr_pages * gethugepagesize(),
		 PROT_READ|PROT_WRITE, mmap_flags, fd, 0);

	sleep(2);

	*(p + gethugepagesize()) = 1; /* COW */
	sleep(2);

	/* crash! */
	*(int*)0 = 1;

	return 0;
}

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Kawai Hidehiro <hidehiro.kawai.ez@hitachi.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: William Irwin <wli@holomorphy.com>
Cc: Adam Litke <agl@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/filesystems/proc.txt | 15 ++++++++++-----
 fs/binfmt_elf.c                    | 12 ++++++++++--
 include/linux/sched.h              |  7 +++++--
 3 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index c032bf39e8b..02cb7faeed6 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -2412,24 +2412,29 @@ will be dumped when the <pid> process is dumped. coredump_filter is a bitmask
 of memory types. If a bit of the bitmask is set, memory segments of the
 corresponding memory type are dumped, otherwise they are not dumped.
 
-The following 4 memory types are supported:
+The following 7 memory types are supported:
   - (bit 0) anonymous private memory
   - (bit 1) anonymous shared memory
   - (bit 2) file-backed private memory
   - (bit 3) file-backed shared memory
   - (bit 4) ELF header pages in file-backed private memory areas (it is
             effective only if the bit 2 is cleared)
+  - (bit 5) hugetlb private memory
+  - (bit 6) hugetlb shared memory
 
   Note that MMIO pages such as frame buffer are never dumped and vDSO pages
   are always dumped regardless of the bitmask status.
 
-Default value of coredump_filter is 0x3; this means all anonymous memory
-segments are dumped.
+  Note bit 0-4 doesn't effect any hugetlb memory. hugetlb memory are only
+  effected by bit 5-6.
+
+Default value of coredump_filter is 0x23; this means all anonymous memory
+segments and hugetlb private memory are dumped.
 
 If you don't want to dump all shared memory segments attached to pid 1234,
-write 1 to the process's proc file.
+write 0x21 to the process's proc file.
 
-  $ echo 0x1 > /proc/1234/coredump_filter
+  $ echo 0x21 > /proc/1234/coredump_filter
 
 When a new process is created, the process inherits the bitmask status from its
 parent. It is useful to set up coredump_filter before the program runs.
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index c76afa26edf..e2159063198 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1156,16 +1156,24 @@ static int dump_seek(struct file *file, loff_t off)
 static unsigned long vma_dump_size(struct vm_area_struct *vma,
 				   unsigned long mm_flags)
 {
+#define FILTER(type)	(mm_flags & (1UL << MMF_DUMP_##type))
+
 	/* The vma can be set up to tell us the answer directly.  */
 	if (vma->vm_flags & VM_ALWAYSDUMP)
 		goto whole;
 
+	/* Hugetlb memory check */
+	if (vma->vm_flags & VM_HUGETLB) {
+		if ((vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_SHARED))
+			goto whole;
+		if (!(vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_PRIVATE))
+			goto whole;
+	}
+
 	/* Do not dump I/O mapped devices or special mappings */
 	if (vma->vm_flags & (VM_IO | VM_RESERVED))
 		return 0;
 
-#define FILTER(type)	(mm_flags & (1UL << MMF_DUMP_##type))
-
 	/* By default, dump shared memory if mapped from an anonymous file. */
 	if (vma->vm_flags & VM_SHARED) {
 		if (vma->vm_file->f_path.dentry->d_inode->i_nlink == 0 ?
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c226c7b8294..017cc914ef1 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -403,12 +403,15 @@ extern int get_dumpable(struct mm_struct *mm);
 #define MMF_DUMP_MAPPED_PRIVATE	4
 #define MMF_DUMP_MAPPED_SHARED	5
 #define MMF_DUMP_ELF_HEADERS	6
+#define MMF_DUMP_HUGETLB_PRIVATE 7
+#define MMF_DUMP_HUGETLB_SHARED  8
 #define MMF_DUMP_FILTER_SHIFT	MMF_DUMPABLE_BITS
-#define MMF_DUMP_FILTER_BITS	5
+#define MMF_DUMP_FILTER_BITS	7
 #define MMF_DUMP_FILTER_MASK \
 	(((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT)
 #define MMF_DUMP_FILTER_DEFAULT \
-	((1 << MMF_DUMP_ANON_PRIVATE) |	(1 << MMF_DUMP_ANON_SHARED))
+	((1 << MMF_DUMP_ANON_PRIVATE) |	(1 << MMF_DUMP_ANON_SHARED) |\
+	 (1 << MMF_DUMP_HUGETLB_PRIVATE))
 
 struct sighand_struct {
 	atomic_t		count;
-- 
GitLab


From 4b2e38ad703541f7845c2d766426148b8d1aa329 Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:27:10 -0700
Subject: [PATCH 1386/2224] hugepage: support ZERO_PAGE()

Presently hugepage doesn't use zero page at all because zero page is only
used for coredumping and hugepage can't core dump.

However we have now implemented hugepage coredumping.  Therefore we should
implement the zero page of hugepage.

Implementation note:

o Why do we only check VM_SHARED for zero page?
  normal page checked as ..

	static inline int use_zero_page(struct vm_area_struct *vma)
	{
	        if (vma->vm_flags & (VM_LOCKED | VM_SHARED))
	                return 0;

	        return !vma->vm_ops || !vma->vm_ops->fault;
	}

First, hugepages are never mlock()ed.  We aren't concerned with VM_LOCKED.

Second, hugetlbfs is a pseudo filesystem, not a real filesystem and it
doesn't have any file backing.  Thus ops->fault checking is meaningless.

o Why don't we use zero page if !pte.

!pte indicate {pud, pmd} doesn't exist or some error happened.  So we
shouldn't return zero page if any error occurred.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Adam Litke <agl@us.ibm.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: Kawai Hidehiro <hidehiro.kawai.ez@hitachi.com>
Cc: Mel Gorman <mel@skynet.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/hugetlb.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ab79cd4dd23..ce8cbb29860 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2071,6 +2071,14 @@ follow_huge_pud(struct mm_struct *mm, unsigned long address,
 	return NULL;
 }
 
+static int huge_zeropage_ok(pte_t *ptep, int write, int shared)
+{
+	if (!ptep || write || shared)
+		return 0;
+	else
+		return huge_pte_none(huge_ptep_get(ptep));
+}
+
 int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			struct page **pages, struct vm_area_struct **vmas,
 			unsigned long *position, int *length, int i,
@@ -2080,6 +2088,8 @@ int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	unsigned long vaddr = *position;
 	int remainder = *length;
 	struct hstate *h = hstate_vma(vma);
+	int zeropage_ok = 0;
+	int shared = vma->vm_flags & VM_SHARED;
 
 	spin_lock(&mm->page_table_lock);
 	while (vaddr < vma->vm_end && remainder) {
@@ -2092,8 +2102,11 @@ int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		 * first, for the page indexing below to work.
 		 */
 		pte = huge_pte_offset(mm, vaddr & huge_page_mask(h));
+		if (huge_zeropage_ok(pte, write, shared))
+			zeropage_ok = 1;
 
-		if (!pte || huge_pte_none(huge_ptep_get(pte)) ||
+		if (!pte ||
+		    (huge_pte_none(huge_ptep_get(pte)) && !zeropage_ok) ||
 		    (write && !pte_write(huge_ptep_get(pte)))) {
 			int ret;
 
@@ -2113,8 +2126,11 @@ int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		page = pte_page(huge_ptep_get(pte));
 same_page:
 		if (pages) {
-			get_page(page);
-			pages[i] = page + pfn_offset;
+			if (zeropage_ok)
+				pages[i] = ZERO_PAGE(0);
+			else
+				pages[i] = page + pfn_offset;
+			get_page(pages[i]);
 		}
 
 		if (vmas)
-- 
GitLab


From 1125b4e3949949b44a7c80b619507c6f61d62911 Mon Sep 17 00:00:00 2001
From: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Date: Sat, 18 Oct 2008 20:27:11 -0700
Subject: [PATCH 1387/2224] setup_per_zone_pages_min(): take zone->lock instead
 of zone->lru_lock

This replaces zone->lru_lock in setup_per_zone_pages_min() with zone->lock.
There seems to be no need for the lru_lock anymore, but there is a need for
zone->lock instead, because that function may call move_freepages() via
setup_zone_migrate_reserve().

Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Tested-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_alloc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8f155e9e43d..f2fc44ec1d4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4242,7 +4242,7 @@ void setup_per_zone_pages_min(void)
 	for_each_zone(zone) {
 		u64 tmp;
 
-		spin_lock_irqsave(&zone->lru_lock, flags);
+		spin_lock_irqsave(&zone->lock, flags);
 		tmp = (u64)pages_min * zone->present_pages;
 		do_div(tmp, lowmem_pages);
 		if (is_highmem(zone)) {
@@ -4274,7 +4274,7 @@ void setup_per_zone_pages_min(void)
 		zone->pages_low   = zone->pages_min + (tmp >> 2);
 		zone->pages_high  = zone->pages_min + (tmp >> 1);
 		setup_zone_migrate_reserve(zone);
-		spin_unlock_irqrestore(&zone->lru_lock, flags);
+		spin_unlock_irqrestore(&zone->lock, flags);
 	}
 
 	/* update totalreserve_pages */
-- 
GitLab


From 9f1b16a51ea7180eca8a0d76a6bd587385a30757 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Sat, 18 Oct 2008 20:27:12 -0700
Subject: [PATCH 1388/2224] memory_probe: fix wrong sysfs file attribute

This attribute just has a write operation.

[akpm@linux-foundation.org: use S_IWUSR as suggested by Randy]
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/base/memory.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index af0d175c025..5260e9e0df4 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -21,6 +21,8 @@
 #include <linux/memory_hotplug.h>
 #include <linux/mm.h>
 #include <linux/mutex.h>
+#include <linux/stat.h>
+
 #include <asm/atomic.h>
 #include <asm/uaccess.h>
 
@@ -325,7 +327,7 @@ memory_probe_store(struct class *class, const char *buf, size_t count)
 
 	return count;
 }
-static CLASS_ATTR(probe, 0700, NULL, memory_probe_store);
+static CLASS_ATTR(probe, S_IWUSR, NULL, memory_probe_store);
 
 static int memory_probe_init(void)
 {
-- 
GitLab


From 7a6560e02556b6f0a798c247f3a557c523d9701b Mon Sep 17 00:00:00 2001
From: Andrea Righi <righi.andrea@gmail.com>
Date: Sat, 18 Oct 2008 20:27:13 -0700
Subject: [PATCH 1389/2224] documentation: clarify dirty_ratio and
 dirty_background_ratio description

The current documentation of dirty_ratio and dirty_background_ratio is a
bit misleading.

In the documentation we say that they are "a percentage of total system
memory", but the current page writeback policy, intead, is to apply the
percentages to the dirtyable memory, that means free pages + reclaimable
pages.

Better to be more explicit to clarify this concept.

Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/filesystems/proc.txt | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 02cb7faeed6..bcceb99b81d 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1384,15 +1384,18 @@ causes the kernel to prefer to reclaim dentries and inodes.
 dirty_background_ratio
 ----------------------
 
-Contains, as a percentage of total system memory, the number of pages at which
-the pdflush background writeback daemon will start writing out dirty data.
+Contains, as a percentage of the dirtyable system memory (free pages + mapped
+pages + file cache, not including locked pages and HugePages), the number of
+pages at which the pdflush background writeback daemon will start writing out
+dirty data.
 
 dirty_ratio
 -----------------
 
-Contains, as a percentage of total system memory, the number of pages at which
-a process which is generating disk writes will itself start writing out dirty
-data.
+Contains, as a percentage of the dirtyable system memory (free pages + mapped
+pages + file cache, not including locked pages and HugePages), the number of
+pages at which a process which is generating disk writes will itself start
+writing out dirty data.
 
 dirty_writeback_centisecs
 -------------------------
-- 
GitLab


From de7f0cba96786cf9ec9da4532c1b25f733da9b6f Mon Sep 17 00:00:00 2001
From: Nathan Fontenot <nfont@austin.ibm.com>
Date: Sat, 18 Oct 2008 20:27:14 -0700
Subject: [PATCH 1390/2224] memory hotplug: release memory regions in
 PAGES_PER_SECTION chunks

During hotplug memory remove, memory regions should be released on a
PAGES_PER_SECTION size chunks.  This mirrors the code in add_memory where
resources are requested on a PAGES_PER_SECTION size.

Attempting to release the entire memory region fails because there is not
a single resource for the total number of pages being removed.  Instead
the resources for the pages are split in PAGES_PER_SECTION size chunks as
requested during memory add.

Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Acked-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memory_hotplug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 3b497581514..6837a101437 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -324,11 +324,11 @@ int __remove_pages(struct zone *zone, unsigned long phys_start_pfn,
 	BUG_ON(phys_start_pfn & ~PAGE_SECTION_MASK);
 	BUG_ON(nr_pages % PAGES_PER_SECTION);
 
-	release_mem_region(phys_start_pfn << PAGE_SHIFT, nr_pages * PAGE_SIZE);
-
 	sections_to_remove = nr_pages / PAGES_PER_SECTION;
 	for (i = 0; i < sections_to_remove; i++) {
 		unsigned long pfn = phys_start_pfn + i*PAGES_PER_SECTION;
+		release_mem_region(pfn << PAGE_SHIFT,
+				   PAGES_PER_SECTION << PAGE_SHIFT);
 		ret = __remove_section(zone, __pfn_to_section(pfn));
 		if (ret)
 			break;
-- 
GitLab


From e78bbfa8262424417a29349a8064a535053912b9 Mon Sep 17 00:00:00 2001
From: Brice Goglin <Brice.Goglin@inria.fr>
Date: Sat, 18 Oct 2008 20:27:15 -0700
Subject: [PATCH 1391/2224] mm: stop returning -ENOENT from sys_move_pages() if
 nothing got migrated

A patchset reworking sys_move_pages().  It removes the possibly large
vmalloc by using multiple chunks when migrating large buffers.  It also
dramatically increases the throughput for large buffers since the lookup
in new_page_node() is now limited to a single chunk, causing the quadratic
complexity to have a much slower impact.  There is no need to use any
radix-tree-like structure to improve this lookup.

sys_move_pages() duration on a 4-quadcore-opteron 2347HE (1.9Gz),
migrating between nodes #2 and #3:

	length		move_pages (us)		move_pages+patch (us)
	4kB		126			98
	40kB		198			168
	400kB		963			937
	4MB		12503			11930
	40MB		246867			11848

Patches #1 and #4 are the important ones:
1) stop returning -ENOENT from sys_move_pages() if nothing got migrated
2) don't vmalloc a huge page_to_node array for do_pages_stat()
3) extract do_pages_move() out of sys_move_pages()
4) rework do_pages_move() to work on page_sized chunks
5) move_pages: no need to set pp->page to ZERO_PAGE(0) by default

This patch:

There is no point in returning -ENOENT from sys_move_pages() if all pages
were already on the right node, while we return 0 if only 1 page was not.
Most application don't know where their pages are allocated, so it's not
an error to try to migrate them anyway.

Just return 0 and let the status array in user-space be checked if the
application needs details.

It will make the upcoming chunked-move_pages() support much easier.

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/migrate.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 6802a7a3dfe..f233519f045 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -896,11 +896,10 @@ set_status:
 		pp->status = err;
 	}
 
+	err = 0;
 	if (!list_empty(&pagelist))
 		err = migrate_pages(&pagelist, new_page_node,
 				(unsigned long)pm);
-	else
-		err = -ENOENT;
 
 	up_read(&mm->mmap_sem);
 	return err;
-- 
GitLab


From 2f007e74bb85b9fc4eab28524052161703300f1a Mon Sep 17 00:00:00 2001
From: Brice Goglin <Brice.Goglin@inria.fr>
Date: Sat, 18 Oct 2008 20:27:16 -0700
Subject: [PATCH 1392/2224] mm: don't vmalloc a huge page_to_node array for
 do_pages_stat()

do_pages_stat() does not need any page_to_node entry for real.  Just pass
the pointers to the user-space page address array and to the user-space
status array, and have do_pages_stat() traverse the former and fill the
latter directly.

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/migrate.c | 40 +++++++++++++++++++++++++---------------
 1 file changed, 25 insertions(+), 15 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index f233519f045..a4c29081ebc 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -906,25 +906,33 @@ set_status:
 }
 
 /*
- * Determine the nodes of a list of pages. The addr in the pm array
- * must have been set to the virtual address of which we want to determine
- * the node number.
+ * Determine the nodes of an array of pages and store it in an array of status.
  */
-static int do_pages_stat(struct mm_struct *mm, struct page_to_node *pm)
+static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages,
+			 const void __user * __user *pages,
+			 int __user *status)
 {
+	unsigned long i;
+	int err;
+
 	down_read(&mm->mmap_sem);
 
-	for ( ; pm->node != MAX_NUMNODES; pm++) {
+	for (i = 0; i < nr_pages; i++) {
+		const void __user *p;
+		unsigned long addr;
 		struct vm_area_struct *vma;
 		struct page *page;
-		int err;
 
 		err = -EFAULT;
-		vma = find_vma(mm, pm->addr);
+		if (get_user(p, pages+i))
+			goto out;
+		addr = (unsigned long) p;
+
+		vma = find_vma(mm, addr);
 		if (!vma)
 			goto set_status;
 
-		page = follow_page(vma, pm->addr, 0);
+		page = follow_page(vma, addr, 0);
 
 		err = PTR_ERR(page);
 		if (IS_ERR(page))
@@ -937,11 +945,13 @@ static int do_pages_stat(struct mm_struct *mm, struct page_to_node *pm)
 
 		err = page_to_nid(page);
 set_status:
-		pm->status = err;
+		put_user(err, status+i);
 	}
+	err = 0;
 
+out:
 	up_read(&mm->mmap_sem);
-	return 0;
+	return err;
 }
 
 /*
@@ -997,6 +1007,10 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
  	if (err)
  		goto out2;
 
+	if (!nodes) {
+		err = do_pages_stat(mm, nr_pages, pages, status);
+		goto out2;
+	}
 
 	task_nodes = cpuset_mems_allowed(task);
 
@@ -1045,11 +1059,7 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
 	/* End marker */
 	pm[nr_pages].node = MAX_NUMNODES;
 
-	if (nodes)
-		err = do_move_pages(mm, pm, flags & MPOL_MF_MOVE_ALL);
-	else
-		err = do_pages_stat(mm, pm);
-
+	err = do_move_pages(mm, pm, flags & MPOL_MF_MOVE_ALL);
 	if (err >= 0)
 		/* Return status information */
 		for (i = 0; i < nr_pages; i++)
-- 
GitLab


From 5e9a0f023bee02bfb94e08590d998660c01f5a49 Mon Sep 17 00:00:00 2001
From: Brice Goglin <Brice.Goglin@inria.fr>
Date: Sat, 18 Oct 2008 20:27:17 -0700
Subject: [PATCH 1393/2224] mm: extract do_pages_move() out of sys_move_pages()

To prepare the chunking, move the sys_move_pages() code that is used when
nodes!=NULL into do_pages_move().  And rename do_move_pages() into
do_move_page_to_node_array().

Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/migrate.c | 152 +++++++++++++++++++++++++++++----------------------
 1 file changed, 86 insertions(+), 66 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index a4c29081ebc..11c6c56ec01 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -826,9 +826,11 @@ static struct page *new_page_node(struct page *p, unsigned long private,
  * Move a set of pages as indicated in the pm array. The addr
  * field must be set to the virtual address of the page to be moved
  * and the node number must contain a valid target node.
+ * The pm array ends with node = MAX_NUMNODES.
  */
-static int do_move_pages(struct mm_struct *mm, struct page_to_node *pm,
-				int migrate_all)
+static int do_move_page_to_node_array(struct mm_struct *mm,
+				      struct page_to_node *pm,
+				      int migrate_all)
 {
 	int err;
 	struct page_to_node *pp;
@@ -905,6 +907,81 @@ set_status:
 	return err;
 }
 
+/*
+ * Migrate an array of page address onto an array of nodes and fill
+ * the corresponding array of status.
+ */
+static int do_pages_move(struct mm_struct *mm, struct task_struct *task,
+			 unsigned long nr_pages,
+			 const void __user * __user *pages,
+			 const int __user *nodes,
+			 int __user *status, int flags)
+{
+	struct page_to_node *pm = NULL;
+	nodemask_t task_nodes;
+	int err = 0;
+	int i;
+
+	task_nodes = cpuset_mems_allowed(task);
+
+	/* Limit nr_pages so that the multiplication may not overflow */
+	if (nr_pages >= ULONG_MAX / sizeof(struct page_to_node) - 1) {
+		err = -E2BIG;
+		goto out;
+	}
+
+	pm = vmalloc((nr_pages + 1) * sizeof(struct page_to_node));
+	if (!pm) {
+		err = -ENOMEM;
+		goto out;
+	}
+
+	/*
+	 * Get parameters from user space and initialize the pm
+	 * array. Return various errors if the user did something wrong.
+	 */
+	for (i = 0; i < nr_pages; i++) {
+		const void __user *p;
+
+		err = -EFAULT;
+		if (get_user(p, pages + i))
+			goto out_pm;
+
+		pm[i].addr = (unsigned long)p;
+		if (nodes) {
+			int node;
+
+			if (get_user(node, nodes + i))
+				goto out_pm;
+
+			err = -ENODEV;
+			if (!node_state(node, N_HIGH_MEMORY))
+				goto out_pm;
+
+			err = -EACCES;
+			if (!node_isset(node, task_nodes))
+				goto out_pm;
+
+			pm[i].node = node;
+		} else
+			pm[i].node = 0;	/* anything to not match MAX_NUMNODES */
+	}
+	/* End marker */
+	pm[nr_pages].node = MAX_NUMNODES;
+
+	err = do_move_page_to_node_array(mm, pm, flags & MPOL_MF_MOVE_ALL);
+	if (err >= 0)
+		/* Return status information */
+		for (i = 0; i < nr_pages; i++)
+			if (put_user(pm[i].status, status + i))
+				err = -EFAULT;
+
+out_pm:
+	vfree(pm);
+out:
+	return err;
+}
+
 /*
  * Determine the nodes of an array of pages and store it in an array of status.
  */
@@ -963,12 +1040,9 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
 			const int __user *nodes,
 			int __user *status, int flags)
 {
-	int err = 0;
-	int i;
 	struct task_struct *task;
-	nodemask_t task_nodes;
 	struct mm_struct *mm;
-	struct page_to_node *pm = NULL;
+	int err;
 
 	/* Check flags */
 	if (flags & ~(MPOL_MF_MOVE|MPOL_MF_MOVE_ALL))
@@ -1000,75 +1074,21 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
 	    (current->uid != task->suid) && (current->uid != task->uid) &&
 	    !capable(CAP_SYS_NICE)) {
 		err = -EPERM;
-		goto out2;
+		goto out;
 	}
 
  	err = security_task_movememory(task);
  	if (err)
- 		goto out2;
+		goto out;
 
-	if (!nodes) {
+	if (nodes) {
+		err = do_pages_move(mm, task, nr_pages, pages, nodes, status,
+				    flags);
+	} else {
 		err = do_pages_stat(mm, nr_pages, pages, status);
-		goto out2;
-	}
-
-	task_nodes = cpuset_mems_allowed(task);
-
-	/* Limit nr_pages so that the multiplication may not overflow */
-	if (nr_pages >= ULONG_MAX / sizeof(struct page_to_node) - 1) {
-		err = -E2BIG;
-		goto out2;
 	}
 
-	pm = vmalloc((nr_pages + 1) * sizeof(struct page_to_node));
-	if (!pm) {
-		err = -ENOMEM;
-		goto out2;
-	}
-
-	/*
-	 * Get parameters from user space and initialize the pm
-	 * array. Return various errors if the user did something wrong.
-	 */
-	for (i = 0; i < nr_pages; i++) {
-		const void __user *p;
-
-		err = -EFAULT;
-		if (get_user(p, pages + i))
-			goto out;
-
-		pm[i].addr = (unsigned long)p;
-		if (nodes) {
-			int node;
-
-			if (get_user(node, nodes + i))
-				goto out;
-
-			err = -ENODEV;
-			if (!node_state(node, N_HIGH_MEMORY))
-				goto out;
-
-			err = -EACCES;
-			if (!node_isset(node, task_nodes))
-				goto out;
-
-			pm[i].node = node;
-		} else
-			pm[i].node = 0;	/* anything to not match MAX_NUMNODES */
-	}
-	/* End marker */
-	pm[nr_pages].node = MAX_NUMNODES;
-
-	err = do_move_pages(mm, pm, flags & MPOL_MF_MOVE_ALL);
-	if (err >= 0)
-		/* Return status information */
-		for (i = 0; i < nr_pages; i++)
-			if (put_user(pm[i].status, status + i))
-				err = -EFAULT;
-
 out:
-	vfree(pm);
-out2:
 	mmput(mm);
 	return err;
 }
-- 
GitLab


From 83224b08372be48d5fcefedc4886457da29130c8 Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:18 -0700
Subject: [PATCH 1394/2224] container freezer: add TIF_FREEZE flag to all
 architectures

This patch series introduces a cgroup subsystem that utilizes the swsusp
freezer to freeze a group of tasks.  It's immediately useful for batch job
management scripts.  It should also be useful in the future for
implementing container checkpoint/restart.

The freezer subsystem in the container filesystem defines a cgroup file
named freezer.state.  Reading freezer.state will return the current state
of the cgroup.  Writing "FROZEN" to the state file will freeze all tasks
in the cgroup.  Subsequently writing "RUNNING" will unfreeze the tasks in
the cgroup.

* Examples of usage :

   # mkdir /containers/freezer
   # mount -t cgroup -ofreezer freezer  /containers
   # mkdir /containers/0
   # echo $some_pid > /containers/0/tasks

to get status of the freezer subsystem :

   # cat /containers/0/freezer.state
   RUNNING

to freeze all tasks in the container :

   # echo FROZEN > /containers/0/freezer.state
   # cat /containers/0/freezer.state
   FREEZING
   # cat /containers/0/freezer.state
   FROZEN

to unfreeze all tasks in the container :

   # echo RUNNING > /containers/0/freezer.state
   # cat /containers/0/freezer.state
   RUNNING

This patch:

The first step in making the refrigerator() available to all
architectures, even for those without power management.

The purpose of such a change is to be able to use the refrigerator() in a
new control group subsystem which will implement a control group freezer.

[akpm@linux-foundation.org: fix sparc]
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: Pavel Machek <pavel@suse.cz>
Acked-by: Serge E. Hallyn <serue@us.ibm.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Nigel Cunningham <nigel@tuxonice.net>
Tested-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/alpha/include/asm/thread_info.h     | 2 ++
 arch/avr32/include/asm/thread_info.h     | 1 +
 arch/h8300/include/asm/thread_info.h     | 2 ++
 arch/m68knommu/include/asm/thread_info.h | 2 ++
 arch/s390/include/asm/thread_info.h      | 2 ++
 arch/sparc/include/asm/thread_info_32.h  | 2 ++
 arch/sparc/include/asm/thread_info_64.h  | 2 ++
 include/asm-cris/thread_info.h           | 2 ++
 include/asm-m68k/thread_info.h           | 1 +
 include/asm-parisc/thread_info.h         | 2 ++
 include/asm-um/thread_info.h             | 2 ++
 include/asm-xtensa/thread_info.h         | 2 ++
 12 files changed, 22 insertions(+)

diff --git a/arch/alpha/include/asm/thread_info.h b/arch/alpha/include/asm/thread_info.h
index 15fda434442..d069526bd76 100644
--- a/arch/alpha/include/asm/thread_info.h
+++ b/arch/alpha/include/asm/thread_info.h
@@ -74,12 +74,14 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define TIF_UAC_SIGBUS		7
 #define TIF_MEMDIE		8
 #define TIF_RESTORE_SIGMASK	9	/* restore signal mask in do_signal */
+#define TIF_FREEZE		16	/* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 /* Work to do on interrupt/exception return.  */
 #define _TIF_WORK_MASK		(_TIF_SIGPENDING | _TIF_NEED_RESCHED)
diff --git a/arch/avr32/include/asm/thread_info.h b/arch/avr32/include/asm/thread_info.h
index 294b25f9323..4442f8d2d42 100644
--- a/arch/avr32/include/asm/thread_info.h
+++ b/arch/avr32/include/asm/thread_info.h
@@ -96,6 +96,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_MEMDIE		(1 << TIF_MEMDIE)
 #define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
 #define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP)
+#define _TIF_FREEZE		(1 << TIF_FREEZE)
 
 /* Note: The masks below must never span more than 16 bits! */
 
diff --git a/arch/h8300/include/asm/thread_info.h b/arch/h8300/include/asm/thread_info.h
index aafd4d322ec..700014d2155 100644
--- a/arch/h8300/include/asm/thread_info.h
+++ b/arch/h8300/include/asm/thread_info.h
@@ -89,6 +89,7 @@ static inline struct thread_info *current_thread_info(void)
 					   TIF_NEED_RESCHED */
 #define TIF_MEMDIE		4
 #define TIF_RESTORE_SIGMASK	5	/* restore signal mask in do_signal() */
+#define TIF_FREEZE		16	/* is freezing for suspend */
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
@@ -96,6 +97,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
 
diff --git a/arch/m68knommu/include/asm/thread_info.h b/arch/m68knommu/include/asm/thread_info.h
index 0c9bc095f3f..82529f424ea 100644
--- a/arch/m68knommu/include/asm/thread_info.h
+++ b/arch/m68knommu/include/asm/thread_info.h
@@ -84,12 +84,14 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_POLLING_NRFLAG	3	/* true if poll_idle() is polling
 					   TIF_NEED_RESCHED */
 #define TIF_MEMDIE		4
+#define TIF_FREEZE		16	/* is freezing for suspend */
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
 
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index ea40a9d690f..de3fad60c68 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -99,6 +99,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_31BIT		18	/* 32bit process */ 
 #define TIF_MEMDIE		19
 #define TIF_RESTORE_SIGMASK	20	/* restore signal mask in do_signal() */
+#define TIF_FREEZE		21	/* thread is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
@@ -112,6 +113,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_USEDFPU		(1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_31BIT		(1<<TIF_31BIT)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #endif /* __KERNEL__ */
 
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 29899fd5b1b..80fe547c3f4 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -135,6 +135,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 #define TIF_POLLING_NRFLAG	9	/* true if poll_idle() is polling
 					 * TIF_NEED_RESCHED */
 #define TIF_MEMDIE		10
+#define TIF_FREEZE		11	/* is freezing for suspend */
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
@@ -148,6 +149,7 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *)
 #define _TIF_DO_NOTIFY_RESUME_MASK	(_TIF_NOTIFY_RESUME | \
 					 _TIF_SIGPENDING | \
 					 _TIF_RESTORE_SIGMASK)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #endif /* __KERNEL__ */
 
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index c0a737d7292..639ac805448 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -237,6 +237,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define TIF_ABI_PENDING		12
 #define TIF_MEMDIE		13
 #define TIF_POLLING_NRFLAG	14
+#define TIF_FREEZE		15	/* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
@@ -249,6 +250,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_SYSCALL_AUDIT	(1<<TIF_SYSCALL_AUDIT)
 #define _TIF_ABI_PENDING	(1<<TIF_ABI_PENDING)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #define _TIF_USER_WORK_MASK	((0xff << TI_FLAG_WSAVED_SHIFT) | \
 				 _TIF_DO_NOTIFY_RESUME_MASK | \
diff --git a/include/asm-cris/thread_info.h b/include/asm-cris/thread_info.h
index 7efe1000f99..cee97f14af3 100644
--- a/include/asm-cris/thread_info.h
+++ b/include/asm-cris/thread_info.h
@@ -88,6 +88,7 @@ struct thread_info {
 #define TIF_RESTORE_SIGMASK	9	/* restore signal mask in do_signal() */
 #define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE		17
+#define TIF_FREEZE		18	/* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
@@ -95,6 +96,7 @@ struct thread_info {
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
 #define _TIF_ALLWORK_MASK	0x0000FFFF	/* work to do on any return to u-space */
diff --git a/include/asm-m68k/thread_info.h b/include/asm-m68k/thread_info.h
index abc002798a2..af0fda46e94 100644
--- a/include/asm-m68k/thread_info.h
+++ b/include/asm-m68k/thread_info.h
@@ -52,5 +52,6 @@ struct thread_info {
 #define TIF_DELAYED_TRACE	14	/* single step a syscall */
 #define TIF_SYSCALL_TRACE	15	/* syscall trace active */
 #define TIF_MEMDIE		16
+#define TIF_FREEZE		17	/* thread is freezing for suspend */
 
 #endif	/* _ASM_M68K_THREAD_INFO_H */
diff --git a/include/asm-parisc/thread_info.h b/include/asm-parisc/thread_info.h
index 9f812741c35..0407959da48 100644
--- a/include/asm-parisc/thread_info.h
+++ b/include/asm-parisc/thread_info.h
@@ -58,6 +58,7 @@ struct thread_info {
 #define TIF_32BIT               4       /* 32 bit binary */
 #define TIF_MEMDIE		5
 #define TIF_RESTORE_SIGMASK	6	/* restore saved signal mask */
+#define TIF_FREEZE		7	/* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
@@ -65,6 +66,7 @@ struct thread_info {
 #define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)
 #define _TIF_32BIT		(1 << TIF_32BIT)
 #define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
+#define _TIF_FREEZE		(1 << TIF_FREEZE)
 
 #define _TIF_USER_WORK_MASK     (_TIF_SIGPENDING | \
                                  _TIF_NEED_RESCHED | _TIF_RESTORE_SIGMASK)
diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h
index e07e72846c7..62274ab9471 100644
--- a/include/asm-um/thread_info.h
+++ b/include/asm-um/thread_info.h
@@ -69,6 +69,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_MEMDIE	 	5
 #define TIF_SYSCALL_AUDIT	6
 #define TIF_RESTORE_SIGMASK	7
+#define TIF_FREEZE		16	/* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
@@ -77,5 +78,6 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_MEMDIE		(1 << TIF_MEMDIE)
 #define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
 #define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
+#define _TIF_FREEZE		(1 << TIF_FREEZE)
 
 #endif
diff --git a/include/asm-xtensa/thread_info.h b/include/asm-xtensa/thread_info.h
index 7e4131dd546..0f4fe1faf9b 100644
--- a/include/asm-xtensa/thread_info.h
+++ b/include/asm-xtensa/thread_info.h
@@ -134,6 +134,7 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_MEMDIE		5
 #define TIF_RESTORE_SIGMASK	6	/* restore signal mask in do_signal() */
 #define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling TIF_NEED_RESCHED */
+#define TIF_FREEZE		17	/* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
@@ -142,6 +143,7 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_IRET		(1<<TIF_IRET)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
 #define _TIF_ALLWORK_MASK	0x0000FFFF	/* work to do on any return to u-space */
-- 
GitLab


From 8174f1503f4bf7e9a14b3fbbfdb30c6be6e29f77 Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:19 -0700
Subject: [PATCH 1395/2224] container freezer: make refrigerator always
 available

Now that the TIF_FREEZE flag is available in all architectures, extract
the refrigerator() and freeze_task() from kernel/power/process.c and make
it available to all.

The refrigerator() can now be used in a control group subsystem
implementing a control group freezer.

Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: Serge E. Hallyn <serue@us.ibm.com>
Tested-by: Matt Helsley <matthltc@us.ibm.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/freezer.h |  14 ++++-
 kernel/Makefile         |   1 +
 kernel/freezer.c        | 122 ++++++++++++++++++++++++++++++++++++++++
 kernel/power/Kconfig    |   3 +
 kernel/power/process.c  | 116 --------------------------------------
 5 files changed, 137 insertions(+), 119 deletions(-)
 create mode 100644 kernel/freezer.c

diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index deddeedf325..17e3bb42dd3 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -6,7 +6,7 @@
 #include <linux/sched.h>
 #include <linux/wait.h>
 
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_FREEZER
 /*
  * Check if a process has been frozen
  */
@@ -39,6 +39,11 @@ static inline void clear_freeze_flag(struct task_struct *p)
 	clear_tsk_thread_flag(p, TIF_FREEZE);
 }
 
+static inline bool should_send_signal(struct task_struct *p)
+{
+	return !(p->flags & PF_FREEZER_NOSIG);
+}
+
 /*
  * Wake up a frozen process
  *
@@ -75,6 +80,9 @@ static inline int try_to_freeze(void)
 		return 0;
 }
 
+extern bool freeze_task(struct task_struct *p, bool sig_only);
+extern void cancel_freezing(struct task_struct *p);
+
 /*
  * The PF_FREEZER_SKIP flag should be set by a vfork parent right before it
  * calls wait_for_completion(&vfork) and reset right after it returns from this
@@ -166,7 +174,7 @@ static inline void set_freezable_with_signal(void)
 	} while (try_to_freeze());					\
 	__retval;							\
 })
-#else /* !CONFIG_PM_SLEEP */
+#else /* !CONFIG_FREEZER */
 static inline int frozen(struct task_struct *p) { return 0; }
 static inline int freezing(struct task_struct *p) { return 0; }
 static inline void set_freeze_flag(struct task_struct *p) {}
@@ -191,6 +199,6 @@ static inline void set_freezable_with_signal(void) {}
 #define wait_event_freezable_timeout(wq, condition, timeout)		\
 		wait_event_interruptible_timeout(wq, condition, timeout)
 
-#endif /* !CONFIG_PM_SLEEP */
+#endif /* !CONFIG_FREEZER */
 
 #endif	/* FREEZER_H_INCLUDED */
diff --git a/kernel/Makefile b/kernel/Makefile
index 4e1d7df7c3e..e8194d15d5f 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -24,6 +24,7 @@ CFLAGS_REMOVE_sched_clock.o = -pg
 CFLAGS_REMOVE_sched.o = -mno-spe -pg
 endif
 
+obj-$(CONFIG_FREEZER) += freezer.o
 obj-$(CONFIG_PROFILING) += profile.o
 obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
diff --git a/kernel/freezer.c b/kernel/freezer.c
new file mode 100644
index 00000000000..cb0931f8930
--- /dev/null
+++ b/kernel/freezer.c
@@ -0,0 +1,122 @@
+/*
+ * kernel/freezer.c - Function to freeze a process
+ *
+ * Originally from kernel/power/process.c
+ */
+
+#include <linux/interrupt.h>
+#include <linux/suspend.h>
+#include <linux/module.h>
+#include <linux/syscalls.h>
+#include <linux/freezer.h>
+
+/*
+ * freezing is complete, mark current process as frozen
+ */
+static inline void frozen_process(void)
+{
+	if (!unlikely(current->flags & PF_NOFREEZE)) {
+		current->flags |= PF_FROZEN;
+		wmb();
+	}
+	clear_freeze_flag(current);
+}
+
+/* Refrigerator is place where frozen processes are stored :-). */
+void refrigerator(void)
+{
+	/* Hmm, should we be allowed to suspend when there are realtime
+	   processes around? */
+	long save;
+
+	task_lock(current);
+	if (freezing(current)) {
+		frozen_process();
+		task_unlock(current);
+	} else {
+		task_unlock(current);
+		return;
+	}
+	save = current->state;
+	pr_debug("%s entered refrigerator\n", current->comm);
+
+	spin_lock_irq(&current->sighand->siglock);
+	recalc_sigpending(); /* We sent fake signal, clean it up */
+	spin_unlock_irq(&current->sighand->siglock);
+
+	for (;;) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		if (!frozen(current))
+			break;
+		schedule();
+	}
+	pr_debug("%s left refrigerator\n", current->comm);
+	__set_current_state(save);
+}
+EXPORT_SYMBOL(refrigerator);
+
+static void fake_signal_wake_up(struct task_struct *p)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&p->sighand->siglock, flags);
+	signal_wake_up(p, 0);
+	spin_unlock_irqrestore(&p->sighand->siglock, flags);
+}
+
+/**
+ *	freeze_task - send a freeze request to given task
+ *	@p: task to send the request to
+ *	@sig_only: if set, the request will only be sent if the task has the
+ *		PF_FREEZER_NOSIG flag unset
+ *	Return value: 'false', if @sig_only is set and the task has
+ *		PF_FREEZER_NOSIG set or the task is frozen, 'true', otherwise
+ *
+ *	The freeze request is sent by setting the tasks's TIF_FREEZE flag and
+ *	either sending a fake signal to it or waking it up, depending on whether
+ *	or not it has PF_FREEZER_NOSIG set.  If @sig_only is set and the task
+ *	has PF_FREEZER_NOSIG set (ie. it is a typical kernel thread), its
+ *	TIF_FREEZE flag will not be set.
+ */
+bool freeze_task(struct task_struct *p, bool sig_only)
+{
+	/*
+	 * We first check if the task is freezing and next if it has already
+	 * been frozen to avoid the race with frozen_process() which first marks
+	 * the task as frozen and next clears its TIF_FREEZE.
+	 */
+	if (!freezing(p)) {
+		rmb();
+		if (frozen(p))
+			return false;
+
+		if (!sig_only || should_send_signal(p))
+			set_freeze_flag(p);
+		else
+			return false;
+	}
+
+	if (should_send_signal(p)) {
+		if (!signal_pending(p))
+			fake_signal_wake_up(p);
+	} else if (sig_only) {
+		return false;
+	} else {
+		wake_up_state(p, TASK_INTERRUPTIBLE);
+	}
+
+	return true;
+}
+
+void cancel_freezing(struct task_struct *p)
+{
+	unsigned long flags;
+
+	if (freezing(p)) {
+		pr_debug("  clean up: %s\n", p->comm);
+		clear_freeze_flag(p);
+		spin_lock_irqsave(&p->sighand->siglock, flags);
+		recalc_sigpending_and_wake(p);
+		spin_unlock_irqrestore(&p->sighand->siglock, flags);
+	}
+}
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index dcd165f92a8..ebdd7f55273 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -85,6 +85,9 @@ config PM_SLEEP
 	depends on SUSPEND || HIBERNATION || XEN_SAVE_RESTORE
 	default y
 
+config FREEZER
+	def_bool PM_SLEEP
+
 config SUSPEND
 	bool "Suspend to RAM and standby"
 	depends on PM && ARCH_SUSPEND_POSSIBLE
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 278946aecaf..444cea80fde 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -28,121 +28,6 @@ static inline int freezeable(struct task_struct * p)
 	return 1;
 }
 
-/*
- * freezing is complete, mark current process as frozen
- */
-static inline void frozen_process(void)
-{
-	if (!unlikely(current->flags & PF_NOFREEZE)) {
-		current->flags |= PF_FROZEN;
-		wmb();
-	}
-	clear_freeze_flag(current);
-}
-
-/* Refrigerator is place where frozen processes are stored :-). */
-void refrigerator(void)
-{
-	/* Hmm, should we be allowed to suspend when there are realtime
-	   processes around? */
-	long save;
-
-	task_lock(current);
-	if (freezing(current)) {
-		frozen_process();
-		task_unlock(current);
-	} else {
-		task_unlock(current);
-		return;
-	}
-	save = current->state;
-	pr_debug("%s entered refrigerator\n", current->comm);
-
-	spin_lock_irq(&current->sighand->siglock);
-	recalc_sigpending(); /* We sent fake signal, clean it up */
-	spin_unlock_irq(&current->sighand->siglock);
-
-	for (;;) {
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		if (!frozen(current))
-			break;
-		schedule();
-	}
-	pr_debug("%s left refrigerator\n", current->comm);
-	__set_current_state(save);
-}
-
-static void fake_signal_wake_up(struct task_struct *p)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&p->sighand->siglock, flags);
-	signal_wake_up(p, 0);
-	spin_unlock_irqrestore(&p->sighand->siglock, flags);
-}
-
-static inline bool should_send_signal(struct task_struct *p)
-{
-	return !(p->flags & PF_FREEZER_NOSIG);
-}
-
-/**
- *	freeze_task - send a freeze request to given task
- *	@p: task to send the request to
- *	@sig_only: if set, the request will only be sent if the task has the
- *		PF_FREEZER_NOSIG flag unset
- *	Return value: 'false', if @sig_only is set and the task has
- *		PF_FREEZER_NOSIG set or the task is frozen, 'true', otherwise
- *
- *	The freeze request is sent by setting the tasks's TIF_FREEZE flag and
- *	either sending a fake signal to it or waking it up, depending on whether
- *	or not it has PF_FREEZER_NOSIG set.  If @sig_only is set and the task
- *	has PF_FREEZER_NOSIG set (ie. it is a typical kernel thread), its
- *	TIF_FREEZE flag will not be set.
- */
-static bool freeze_task(struct task_struct *p, bool sig_only)
-{
-	/*
-	 * We first check if the task is freezing and next if it has already
-	 * been frozen to avoid the race with frozen_process() which first marks
-	 * the task as frozen and next clears its TIF_FREEZE.
-	 */
-	if (!freezing(p)) {
-		rmb();
-		if (frozen(p))
-			return false;
-
-		if (!sig_only || should_send_signal(p))
-			set_freeze_flag(p);
-		else
-			return false;
-	}
-
-	if (should_send_signal(p)) {
-		if (!signal_pending(p))
-			fake_signal_wake_up(p);
-	} else if (sig_only) {
-		return false;
-	} else {
-		wake_up_state(p, TASK_INTERRUPTIBLE);
-	}
-
-	return true;
-}
-
-static void cancel_freezing(struct task_struct *p)
-{
-	unsigned long flags;
-
-	if (freezing(p)) {
-		pr_debug("  clean up: %s\n", p->comm);
-		clear_freeze_flag(p);
-		spin_lock_irqsave(&p->sighand->siglock, flags);
-		recalc_sigpending_and_wake(p);
-		spin_unlock_irqrestore(&p->sighand->siglock, flags);
-	}
-}
-
 static int try_to_freeze_tasks(bool sig_only)
 {
 	struct task_struct *g, *p;
@@ -264,4 +149,3 @@ void thaw_processes(void)
 	printk("done.\n");
 }
 
-EXPORT_SYMBOL(refrigerator);
-- 
GitLab


From dc52ddc0e6f45b04780b26fc0813509f8e798c42 Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:21 -0700
Subject: [PATCH 1396/2224] container freezer: implement freezer cgroup
 subsystem

This patch implements a new freezer subsystem in the control groups
framework.  It provides a way to stop and resume execution of all tasks in
a cgroup by writing in the cgroup filesystem.

The freezer subsystem in the container filesystem defines a file named
freezer.state.  Writing "FROZEN" to the state file will freeze all tasks
in the cgroup.  Subsequently writing "RUNNING" will unfreeze the tasks in
the cgroup.  Reading will return the current state.

* Examples of usage :

   # mkdir /containers/freezer
   # mount -t cgroup -ofreezer freezer  /containers
   # mkdir /containers/0
   # echo $some_pid > /containers/0/tasks

to get status of the freezer subsystem :

   # cat /containers/0/freezer.state
   RUNNING

to freeze all tasks in the container :

   # echo FROZEN > /containers/0/freezer.state
   # cat /containers/0/freezer.state
   FREEZING
   # cat /containers/0/freezer.state
   FROZEN

to unfreeze all tasks in the container :

   # echo RUNNING > /containers/0/freezer.state
   # cat /containers/0/freezer.state
   RUNNING

This is the basic mechanism which should do the right thing for user space
task in a simple scenario.

It's important to note that freezing can be incomplete.  In that case we
return EBUSY.  This means that some tasks in the cgroup are busy doing
something that prevents us from completely freezing the cgroup at this
time.  After EBUSY, the cgroup will remain partially frozen -- reflected
by freezer.state reporting "FREEZING" when read.  The state will remain
"FREEZING" until one of these things happens:

	1) Userspace cancels the freezing operation by writing "RUNNING" to
		the freezer.state file
	2) Userspace retries the freezing operation by writing "FROZEN" to
		the freezer.state file (writing "FREEZING" is not legal
		and returns EIO)
	3) The tasks that blocked the cgroup from entering the "FROZEN"
		state disappear from the cgroup's set of tasks.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: export thaw_process]
Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: Serge E. Hallyn <serue@us.ibm.com>
Tested-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/alpha/Kconfig            |   1 +
 arch/arm/Kconfig              |   2 +
 arch/avr32/Kconfig            |   2 +
 arch/blackfin/Kconfig         |   3 +
 arch/cris/Kconfig             |   2 +
 arch/frv/Kconfig              |   2 +
 arch/h8300/Kconfig            |   2 +
 arch/ia64/Kconfig             |   2 +
 arch/m32r/Kconfig             |   2 +
 arch/m68k/Kconfig             |   2 +
 arch/m68knommu/Kconfig        |   2 +
 arch/mips/Kconfig             |   2 +
 arch/mn10300/Kconfig          |   2 +
 arch/parisc/Kconfig           |   2 +
 arch/powerpc/Kconfig          |   2 +
 arch/s390/Kconfig             |   2 +
 arch/sh/Kconfig               |   2 +
 arch/sparc/Kconfig            |   2 +
 arch/sparc64/Kconfig          |   1 +
 arch/um/Kconfig               |   2 +
 arch/x86/Kconfig              |   1 +
 arch/xtensa/Kconfig           |   1 +
 include/linux/cgroup_subsys.h |   6 +
 include/linux/freezer.h       |  29 +--
 init/Kconfig                  |   7 +
 kernel/Kconfig.freezer        |   2 +
 kernel/Makefile               |   1 +
 kernel/cgroup_freezer.c       | 366 ++++++++++++++++++++++++++++++++++
 kernel/freezer.c              |  32 +++
 kernel/power/Kconfig          |   3 -
 30 files changed, 465 insertions(+), 22 deletions(-)
 create mode 100644 kernel/Kconfig.freezer
 create mode 100644 kernel/cgroup_freezer.c

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index a0f642b6a4b..6110197757a 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -70,6 +70,7 @@ config AUTO_IRQ_AFFINITY
 	default y
 
 source "init/Kconfig"
+source "kernel/Kconfig.freezer"
 
 
 menu "System setup"
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4853f9df37b..df39d20f742 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -192,6 +192,8 @@ config VECTORS_BASE
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "System Type"
 
 choice
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 7c239a91627..33a5b2969eb 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -72,6 +72,8 @@ config GENERIC_BUG
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "System Type and features"
 
 source "kernel/time/Kconfig"
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 8102c79aaa9..29e71ed6b8a 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -64,8 +64,11 @@ config HARDWARE_PM
 	depends on OPROFILE
 
 source "init/Kconfig"
+
 source "kernel/Kconfig.preempt"
 
+source "kernel/Kconfig.freezer"
+
 menu "Blackfin Processor Options"
 
 comment "Processor and Board Settings"
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 9389d38f222..07335e719bf 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -62,6 +62,8 @@ config HZ
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "General setup"
 
 source "fs/Kconfig.binfmt"
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index a5aac1b0756..9d1552a9ee2 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -66,6 +66,8 @@ mainmenu "Fujitsu FR-V Kernel Configuration"
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 
 menu "Fujitsu FR-V system setup"
 
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index c7966746fbf..bd1995403c6 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -90,6 +90,8 @@ config HZ
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 source "arch/h8300/Kconfig.cpu"
 
 menu "Executable file formats"
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 3b7aa38254a..912c57db2d2 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -7,6 +7,8 @@ mainmenu "IA-64 Linux Kernel Configuration"
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "Processor type and features"
 
 config IA64
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 00289c178f8..dbaed4a6381 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -42,6 +42,8 @@ config HZ
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 
 menu "Processor type and features"
 
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 677c93a490f..836fb66f080 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -62,6 +62,8 @@ mainmenu "Linux/68k Kernel Configuration"
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "Platform dependent setup"
 
 config EISA
diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
index 0a8998315e5..76b66feb74d 100644
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -75,6 +75,8 @@ config NO_IOPORT
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "Processor type and features"
 
 choice
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b905744d791..5f149b030c0 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1885,6 +1885,8 @@ config PROBE_INITRD_HEADER
 	  add initrd or initramfs image to the kernel image.
 	  Otherwise, say N.
 
+source "kernel/Kconfig.freezer"
+
 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
 
 config HW_HAS_EISA
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index dd557c9cf00..9a9f4335887 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -68,6 +68,8 @@ mainmenu "Matsushita MN10300/AM33 Kernel Configuration"
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 
 menu "Matsushita MN10300 system setup"
 
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 8313fccced5..2bd1f6ef5db 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -90,6 +90,8 @@ config ARCH_MAY_HAVE_PC_FDC
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 
 menu "Processor type and features"
 
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 380baa1780e..9391199d9e7 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -230,6 +230,8 @@ config PPC_OF_PLATFORM_PCI
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 source "arch/powerpc/sysdev/Kconfig"
 source "arch/powerpc/platforms/Kconfig"
 
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index bc581d8a7cd..70b7645ce74 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -78,6 +78,8 @@ config S390
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "Base setup"
 
 comment "Processor type and features"
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 5131d50f851..2ed5713b754 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -106,6 +106,8 @@ config IO_TRAPPED
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "System type"
 
 #
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 97671dac12a..e594559c8db 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -37,6 +37,8 @@ config HZ
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 menu "General machine setup"
 
 config SMP
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 5446e2a499b..035b15af90d 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -96,6 +96,7 @@ config GENERIC_HARDIRQS_NO__DO_IRQ
 	def_bool y
 
 source "init/Kconfig"
+source "kernel/Kconfig.freezer"
 
 menu "Processor type and features"
 
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 6976812cfb1..393bccfe178 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -229,6 +229,8 @@ endmenu
 
 source "init/Kconfig"
 
+source "kernel/Kconfig.freezer"
+
 source "drivers/block/Kconfig"
 
 source "arch/um/Kconfig.char"
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bd3c2c53873..49349ba77d8 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -193,6 +193,7 @@ config X86_TRAMPOLINE
 config KTIME_SCALAR
 	def_bool X86_32
 source "init/Kconfig"
+source "kernel/Kconfig.freezer"
 
 menu "Processor type and features"
 
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 02e417d3d8e..a213260b51e 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -55,6 +55,7 @@ config HZ
 	default 100
 
 source "init/Kconfig"
+source "kernel/Kconfig.freezer"
 
 menu "Processor type and features"
 
diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
index e2877454ec8..9c22396e8b5 100644
--- a/include/linux/cgroup_subsys.h
+++ b/include/linux/cgroup_subsys.h
@@ -48,3 +48,9 @@ SUBSYS(devices)
 #endif
 
 /* */
+
+#ifdef CONFIG_CGROUP_FREEZER
+SUBSYS(freezer)
+#endif
+
+/* */
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 17e3bb42dd3..8f225339eee 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -46,26 +46,11 @@ static inline bool should_send_signal(struct task_struct *p)
 
 /*
  * Wake up a frozen process
- *
- * task_lock() is taken to prevent the race with refrigerator() which may
- * occur if the freezing of tasks fails.  Namely, without the lock, if the
- * freezing of tasks failed, thaw_tasks() might have run before a task in
- * refrigerator() could call frozen_process(), in which case the task would be
- * frozen and no one would thaw it.
  */
-static inline int thaw_process(struct task_struct *p)
-{
-	task_lock(p);
-	if (frozen(p)) {
-		p->flags &= ~PF_FROZEN;
-		task_unlock(p);
-		wake_up_process(p);
-		return 1;
-	}
-	clear_freeze_flag(p);
-	task_unlock(p);
-	return 0;
-}
+extern int __thaw_process(struct task_struct *p);
+
+/* Takes and releases task alloc lock using task_lock() */
+extern int thaw_process(struct task_struct *p);
 
 extern void refrigerator(void);
 extern int freeze_processes(void);
@@ -83,6 +68,12 @@ static inline int try_to_freeze(void)
 extern bool freeze_task(struct task_struct *p, bool sig_only);
 extern void cancel_freezing(struct task_struct *p);
 
+#ifdef CONFIG_CGROUP_FREEZER
+extern int cgroup_frozen(struct task_struct *task);
+#else /* !CONFIG_CGROUP_FREEZER */
+static inline int cgroup_frozen(struct task_struct *task) { return 0; }
+#endif /* !CONFIG_CGROUP_FREEZER */
+
 /*
  * The PF_FREEZER_SKIP flag should be set by a vfork parent right before it
  * calls wait_for_completion(&vfork) and reset right after it returns from this
diff --git a/init/Kconfig b/init/Kconfig
index 5ceff3249a2..8828ed0b205 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -299,6 +299,13 @@ config CGROUP_NS
           for instance virtual servers and checkpoint/restart
           jobs.
 
+config CGROUP_FREEZER
+        bool "control group freezer subsystem"
+        depends on CGROUPS
+        help
+          Provides a way to freeze and unfreeze all tasks in a
+	  cgroup.
+
 config CGROUP_DEVICE
 	bool "Device controller for cgroups"
 	depends on CGROUPS && EXPERIMENTAL
diff --git a/kernel/Kconfig.freezer b/kernel/Kconfig.freezer
new file mode 100644
index 00000000000..a3bb4cb5253
--- /dev/null
+++ b/kernel/Kconfig.freezer
@@ -0,0 +1,2 @@
+config FREEZER
+	def_bool PM_SLEEP || CGROUP_FREEZER
diff --git a/kernel/Makefile b/kernel/Makefile
index e8194d15d5f..066550aa61c 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -56,6 +56,7 @@ obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
 obj-$(CONFIG_COMPAT) += compat.o
 obj-$(CONFIG_CGROUPS) += cgroup.o
 obj-$(CONFIG_CGROUP_DEBUG) += cgroup_debug.o
+obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
 obj-$(CONFIG_CPUSETS) += cpuset.o
 obj-$(CONFIG_CGROUP_NS) += ns_cgroup.o
 obj-$(CONFIG_UTS_NS) += utsname.o
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
new file mode 100644
index 00000000000..b08722de610
--- /dev/null
+++ b/kernel/cgroup_freezer.c
@@ -0,0 +1,366 @@
+/*
+ * cgroup_freezer.c -  control group freezer subsystem
+ *
+ * Copyright IBM Corporation, 2007
+ *
+ * Author : Cedric Le Goater <clg@fr.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <linux/module.h>
+#include <linux/cgroup.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/freezer.h>
+#include <linux/seq_file.h>
+
+enum freezer_state {
+	STATE_RUNNING = 0,
+	STATE_FREEZING,
+	STATE_FROZEN,
+};
+
+struct freezer {
+	struct cgroup_subsys_state css;
+	enum freezer_state state;
+	spinlock_t lock; /* protects _writes_ to state */
+};
+
+static inline struct freezer *cgroup_freezer(
+		struct cgroup *cgroup)
+{
+	return container_of(
+		cgroup_subsys_state(cgroup, freezer_subsys_id),
+		struct freezer, css);
+}
+
+static inline struct freezer *task_freezer(struct task_struct *task)
+{
+	return container_of(task_subsys_state(task, freezer_subsys_id),
+			    struct freezer, css);
+}
+
+int cgroup_frozen(struct task_struct *task)
+{
+	struct freezer *freezer;
+	enum freezer_state state;
+
+	task_lock(task);
+	freezer = task_freezer(task);
+	state = freezer->state;
+	task_unlock(task);
+
+	return state == STATE_FROZEN;
+}
+
+/*
+ * cgroups_write_string() limits the size of freezer state strings to
+ * CGROUP_LOCAL_BUFFER_SIZE
+ */
+static const char *freezer_state_strs[] = {
+	"RUNNING",
+	"FREEZING",
+	"FROZEN",
+};
+
+/*
+ * State diagram
+ * Transitions are caused by userspace writes to the freezer.state file.
+ * The values in parenthesis are state labels. The rest are edge labels.
+ *
+ * (RUNNING) --FROZEN--> (FREEZING) --FROZEN--> (FROZEN)
+ *    ^ ^                     |                       |
+ *    | \_______RUNNING_______/                       |
+ *    \_____________________________RUNNING___________/
+ */
+
+struct cgroup_subsys freezer_subsys;
+
+/* Locks taken and their ordering
+ * ------------------------------
+ * css_set_lock
+ * cgroup_mutex (AKA cgroup_lock)
+ * task->alloc_lock (AKA task_lock)
+ * freezer->lock
+ * task->sighand->siglock
+ *
+ * cgroup code forces css_set_lock to be taken before task->alloc_lock
+ *
+ * freezer_create(), freezer_destroy():
+ * cgroup_mutex [ by cgroup core ]
+ *
+ * can_attach():
+ * cgroup_mutex
+ *
+ * cgroup_frozen():
+ * task->alloc_lock (to get task's cgroup)
+ *
+ * freezer_fork() (preserving fork() performance means can't take cgroup_mutex):
+ * task->alloc_lock (to get task's cgroup)
+ * freezer->lock
+ *  sighand->siglock (if the cgroup is freezing)
+ *
+ * freezer_read():
+ * cgroup_mutex
+ *  freezer->lock
+ *   read_lock css_set_lock (cgroup iterator start)
+ *
+ * freezer_write() (freeze):
+ * cgroup_mutex
+ *  freezer->lock
+ *   read_lock css_set_lock (cgroup iterator start)
+ *    sighand->siglock
+ *
+ * freezer_write() (unfreeze):
+ * cgroup_mutex
+ *  freezer->lock
+ *   read_lock css_set_lock (cgroup iterator start)
+ *    task->alloc_lock (to prevent races with freeze_task())
+ *     sighand->siglock
+ */
+static struct cgroup_subsys_state *freezer_create(struct cgroup_subsys *ss,
+						  struct cgroup *cgroup)
+{
+	struct freezer *freezer;
+
+	freezer = kzalloc(sizeof(struct freezer), GFP_KERNEL);
+	if (!freezer)
+		return ERR_PTR(-ENOMEM);
+
+	spin_lock_init(&freezer->lock);
+	freezer->state = STATE_RUNNING;
+	return &freezer->css;
+}
+
+static void freezer_destroy(struct cgroup_subsys *ss,
+			    struct cgroup *cgroup)
+{
+	kfree(cgroup_freezer(cgroup));
+}
+
+
+static int freezer_can_attach(struct cgroup_subsys *ss,
+			      struct cgroup *new_cgroup,
+			      struct task_struct *task)
+{
+	struct freezer *freezer;
+	int retval = 0;
+
+	/*
+	 * The call to cgroup_lock() in the freezer.state write method prevents
+	 * a write to that file racing against an attach, and hence the
+	 * can_attach() result will remain valid until the attach completes.
+	 */
+	freezer = cgroup_freezer(new_cgroup);
+	if (freezer->state == STATE_FROZEN)
+		retval = -EBUSY;
+	return retval;
+}
+
+static void freezer_fork(struct cgroup_subsys *ss, struct task_struct *task)
+{
+	struct freezer *freezer;
+
+	task_lock(task);
+	freezer = task_freezer(task);
+	task_unlock(task);
+
+	BUG_ON(freezer->state == STATE_FROZEN);
+	spin_lock_irq(&freezer->lock);
+	/* Locking avoids race with FREEZING -> RUNNING transitions. */
+	if (freezer->state == STATE_FREEZING)
+		freeze_task(task, true);
+	spin_unlock_irq(&freezer->lock);
+}
+
+/*
+ * caller must hold freezer->lock
+ */
+static void check_if_frozen(struct cgroup *cgroup,
+			     struct freezer *freezer)
+{
+	struct cgroup_iter it;
+	struct task_struct *task;
+	unsigned int nfrozen = 0, ntotal = 0;
+
+	cgroup_iter_start(cgroup, &it);
+	while ((task = cgroup_iter_next(cgroup, &it))) {
+		ntotal++;
+		/*
+		 * Task is frozen or will freeze immediately when next it gets
+		 * woken
+		 */
+		if (frozen(task) ||
+		    (task_is_stopped_or_traced(task) && freezing(task)))
+			nfrozen++;
+	}
+
+	/*
+	 * Transition to FROZEN when no new tasks can be added ensures
+	 * that we never exist in the FROZEN state while there are unfrozen
+	 * tasks.
+	 */
+	if (nfrozen == ntotal)
+		freezer->state = STATE_FROZEN;
+	cgroup_iter_end(cgroup, &it);
+}
+
+static int freezer_read(struct cgroup *cgroup, struct cftype *cft,
+			struct seq_file *m)
+{
+	struct freezer *freezer;
+	enum freezer_state state;
+
+	if (!cgroup_lock_live_group(cgroup))
+		return -ENODEV;
+
+	freezer = cgroup_freezer(cgroup);
+	spin_lock_irq(&freezer->lock);
+	state = freezer->state;
+	if (state == STATE_FREEZING) {
+		/* We change from FREEZING to FROZEN lazily if the cgroup was
+		 * only partially frozen when we exitted write. */
+		check_if_frozen(cgroup, freezer);
+		state = freezer->state;
+	}
+	spin_unlock_irq(&freezer->lock);
+	cgroup_unlock();
+
+	seq_puts(m, freezer_state_strs[state]);
+	seq_putc(m, '\n');
+	return 0;
+}
+
+static int try_to_freeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
+{
+	struct cgroup_iter it;
+	struct task_struct *task;
+	unsigned int num_cant_freeze_now = 0;
+
+	freezer->state = STATE_FREEZING;
+	cgroup_iter_start(cgroup, &it);
+	while ((task = cgroup_iter_next(cgroup, &it))) {
+		if (!freeze_task(task, true))
+			continue;
+		if (task_is_stopped_or_traced(task) && freezing(task))
+			/*
+			 * The freeze flag is set so these tasks will
+			 * immediately go into the fridge upon waking.
+			 */
+			continue;
+		if (!freezing(task) && !freezer_should_skip(task))
+			num_cant_freeze_now++;
+	}
+	cgroup_iter_end(cgroup, &it);
+
+	return num_cant_freeze_now ? -EBUSY : 0;
+}
+
+static int unfreeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
+{
+	struct cgroup_iter it;
+	struct task_struct *task;
+
+	cgroup_iter_start(cgroup, &it);
+	while ((task = cgroup_iter_next(cgroup, &it))) {
+		int do_wake;
+
+		task_lock(task);
+		do_wake = __thaw_process(task);
+		task_unlock(task);
+		if (do_wake)
+			wake_up_process(task);
+	}
+	cgroup_iter_end(cgroup, &it);
+	freezer->state = STATE_RUNNING;
+
+	return 0;
+}
+
+static int freezer_change_state(struct cgroup *cgroup,
+				enum freezer_state goal_state)
+{
+	struct freezer *freezer;
+	int retval = 0;
+
+	freezer = cgroup_freezer(cgroup);
+	spin_lock_irq(&freezer->lock);
+	check_if_frozen(cgroup, freezer); /* may update freezer->state */
+	if (goal_state == freezer->state)
+		goto out;
+	switch (freezer->state) {
+	case STATE_RUNNING:
+		retval = try_to_freeze_cgroup(cgroup, freezer);
+		break;
+	case STATE_FREEZING:
+		if (goal_state == STATE_FROZEN) {
+			/* Userspace is retrying after
+			 * "/bin/echo FROZEN > freezer.state" returned -EBUSY */
+			retval = try_to_freeze_cgroup(cgroup, freezer);
+			break;
+		}
+		/* state == FREEZING and goal_state == RUNNING, so unfreeze */
+	case STATE_FROZEN:
+		retval = unfreeze_cgroup(cgroup, freezer);
+		break;
+	default:
+		break;
+	}
+out:
+	spin_unlock_irq(&freezer->lock);
+
+	return retval;
+}
+
+static int freezer_write(struct cgroup *cgroup,
+			 struct cftype *cft,
+			 const char *buffer)
+{
+	int retval;
+	enum freezer_state goal_state;
+
+	if (strcmp(buffer, freezer_state_strs[STATE_RUNNING]) == 0)
+		goal_state = STATE_RUNNING;
+	else if (strcmp(buffer, freezer_state_strs[STATE_FROZEN]) == 0)
+		goal_state = STATE_FROZEN;
+	else
+		return -EIO;
+
+	if (!cgroup_lock_live_group(cgroup))
+		return -ENODEV;
+	retval = freezer_change_state(cgroup, goal_state);
+	cgroup_unlock();
+	return retval;
+}
+
+static struct cftype files[] = {
+	{
+		.name = "state",
+		.read_seq_string = freezer_read,
+		.write_string = freezer_write,
+	},
+};
+
+static int freezer_populate(struct cgroup_subsys *ss, struct cgroup *cgroup)
+{
+	return cgroup_add_files(cgroup, ss, files, ARRAY_SIZE(files));
+}
+
+struct cgroup_subsys freezer_subsys = {
+	.name		= "freezer",
+	.create		= freezer_create,
+	.destroy	= freezer_destroy,
+	.populate	= freezer_populate,
+	.subsys_id	= freezer_subsys_id,
+	.can_attach	= freezer_can_attach,
+	.attach		= NULL,
+	.fork		= freezer_fork,
+	.exit		= NULL,
+};
diff --git a/kernel/freezer.c b/kernel/freezer.c
index cb0931f8930..ba6248b323e 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -120,3 +120,35 @@ void cancel_freezing(struct task_struct *p)
 		spin_unlock_irqrestore(&p->sighand->siglock, flags);
 	}
 }
+
+/*
+ * Wake up a frozen process
+ *
+ * task_lock() is needed to prevent the race with refrigerator() which may
+ * occur if the freezing of tasks fails.  Namely, without the lock, if the
+ * freezing of tasks failed, thaw_tasks() might have run before a task in
+ * refrigerator() could call frozen_process(), in which case the task would be
+ * frozen and no one would thaw it.
+ */
+int __thaw_process(struct task_struct *p)
+{
+	if (frozen(p)) {
+		p->flags &= ~PF_FROZEN;
+		return 1;
+	}
+	clear_freeze_flag(p);
+	return 0;
+}
+
+int thaw_process(struct task_struct *p)
+{
+	task_lock(p);
+	if (__thaw_process(p) == 1) {
+		task_unlock(p);
+		wake_up_process(p);
+		return 1;
+	}
+	task_unlock(p);
+	return 0;
+}
+EXPORT_SYMBOL(thaw_process);
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index ebdd7f55273..dcd165f92a8 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -85,9 +85,6 @@ config PM_SLEEP
 	depends on SUSPEND || HIBERNATION || XEN_SAVE_RESTORE
 	default y
 
-config FREEZER
-	def_bool PM_SLEEP
-
 config SUSPEND
 	bool "Suspend to RAM and standby"
 	depends on PM && ARCH_SUSPEND_POSSIBLE
-- 
GitLab


From 5a06915c6df9b89cda5ddb3f8cce5f9a6be534d2 Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:22 -0700
Subject: [PATCH 1397/2224] container freezer: skip frozen cgroups during power
 management resume

When a system is resumed after a suspend, it will also unfreeze frozen
cgroups.

This patchs modifies the resume sequence to skip the tasks which are part
of a frozen control group.

Signed-off-by: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: Serge E. Hallyn <serue@us.ibm.com>
Tested-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/power/process.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/power/process.c b/kernel/power/process.c
index 444cea80fde..ca634019497 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -135,6 +135,9 @@ static void thaw_tasks(bool nosig_only)
 		if (nosig_only && should_send_signal(p))
 			continue;
 
+		if (cgroup_frozen(p))
+			continue;
+
 		thaw_process(p);
 	} while_each_thread(g, p);
 	read_unlock(&tasklist_lock);
-- 
GitLab


From 957a4eeaf4af614ab0fc4c09a22593d6ab233f5b Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:22 -0700
Subject: [PATCH 1398/2224] container freezer: prevent frozen tasks or cgroups
 from changing

Don't let frozen tasks or cgroups change.  This means frozen tasks can't
leave their current cgroup for another cgroup.  It also means that tasks
cannot be added to or removed from a cgroup in the FROZEN state.  We
enforce these rules by checking for frozen tasks and cgroups in the
can_attach() function.

Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cgroup_freezer.c | 43 +++++++++++++++++++++++++----------------
 1 file changed, 26 insertions(+), 17 deletions(-)

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index b08722de610..df884022fbd 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -145,22 +145,40 @@ static void freezer_destroy(struct cgroup_subsys *ss,
 	kfree(cgroup_freezer(cgroup));
 }
 
+/* Task is frozen or will freeze immediately when next it gets woken */
+static bool is_task_frozen_enough(struct task_struct *task)
+{
+	return frozen(task) ||
+		(task_is_stopped_or_traced(task) && freezing(task));
+}
 
+/*
+ * The call to cgroup_lock() in the freezer.state write method prevents
+ * a write to that file racing against an attach, and hence the
+ * can_attach() result will remain valid until the attach completes.
+ */
 static int freezer_can_attach(struct cgroup_subsys *ss,
 			      struct cgroup *new_cgroup,
 			      struct task_struct *task)
 {
 	struct freezer *freezer;
-	int retval = 0;
+	int retval;
+
+	/* Anything frozen can't move or be moved to/from */
+
+	if (is_task_frozen_enough(task))
+		return -EBUSY;
 
-	/*
-	 * The call to cgroup_lock() in the freezer.state write method prevents
-	 * a write to that file racing against an attach, and hence the
-	 * can_attach() result will remain valid until the attach completes.
-	 */
 	freezer = cgroup_freezer(new_cgroup);
+	if (freezer->state == STATE_FROZEN)
+		return -EBUSY;
+
+	retval = 0;
+	task_lock(task);
+	freezer = task_freezer(task);
 	if (freezer->state == STATE_FROZEN)
 		retval = -EBUSY;
+	task_unlock(task);
 	return retval;
 }
 
@@ -193,12 +211,7 @@ static void check_if_frozen(struct cgroup *cgroup,
 	cgroup_iter_start(cgroup, &it);
 	while ((task = cgroup_iter_next(cgroup, &it))) {
 		ntotal++;
-		/*
-		 * Task is frozen or will freeze immediately when next it gets
-		 * woken
-		 */
-		if (frozen(task) ||
-		    (task_is_stopped_or_traced(task) && freezing(task)))
+		if (is_task_frozen_enough(task))
 			nfrozen++;
 	}
 
@@ -249,11 +262,7 @@ static int try_to_freeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
 	while ((task = cgroup_iter_next(cgroup, &it))) {
 		if (!freeze_task(task, true))
 			continue;
-		if (task_is_stopped_or_traced(task) && freezing(task))
-			/*
-			 * The freeze flag is set so these tasks will
-			 * immediately go into the fridge upon waking.
-			 */
+		if (is_task_frozen_enough(task))
 			continue;
 		if (!freezing(task) && !freezer_should_skip(task))
 			num_cant_freeze_now++;
-- 
GitLab


From 81dcf33c2ae314899f754aa7aaa1cb1fe2f84da6 Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:23 -0700
Subject: [PATCH 1399/2224] container freezer: make freezer state names less
 generic

Rename cgroup freezer states to be less generic to avoid any name
collisions while also better describing what each state is.

Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cgroup_freezer.c | 56 ++++++++++++++++++++---------------------
 1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index df884022fbd..6e4280d7742 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -22,9 +22,9 @@
 #include <linux/seq_file.h>
 
 enum freezer_state {
-	STATE_RUNNING = 0,
-	STATE_FREEZING,
-	STATE_FROZEN,
+	CGROUP_THAWED = 0,
+	CGROUP_FREEZING,
+	CGROUP_FROZEN,
 };
 
 struct freezer {
@@ -57,7 +57,7 @@ int cgroup_frozen(struct task_struct *task)
 	state = freezer->state;
 	task_unlock(task);
 
-	return state == STATE_FROZEN;
+	return state == CGROUP_FROZEN;
 }
 
 /*
@@ -65,7 +65,7 @@ int cgroup_frozen(struct task_struct *task)
  * CGROUP_LOCAL_BUFFER_SIZE
  */
 static const char *freezer_state_strs[] = {
-	"RUNNING",
+	"THAWED",
 	"FREEZING",
 	"FROZEN",
 };
@@ -75,10 +75,10 @@ static const char *freezer_state_strs[] = {
  * Transitions are caused by userspace writes to the freezer.state file.
  * The values in parenthesis are state labels. The rest are edge labels.
  *
- * (RUNNING) --FROZEN--> (FREEZING) --FROZEN--> (FROZEN)
- *    ^ ^                     |                       |
- *    | \_______RUNNING_______/                       |
- *    \_____________________________RUNNING___________/
+ * (THAWED) --FROZEN--> (FREEZING) --FROZEN--> (FROZEN)
+ *    ^ ^                    |                     |
+ *    | \_______THAWED_______/                     |
+ *    \__________________________THAWED____________/
  */
 
 struct cgroup_subsys freezer_subsys;
@@ -135,7 +135,7 @@ static struct cgroup_subsys_state *freezer_create(struct cgroup_subsys *ss,
 		return ERR_PTR(-ENOMEM);
 
 	spin_lock_init(&freezer->lock);
-	freezer->state = STATE_RUNNING;
+	freezer->state = CGROUP_THAWED;
 	return &freezer->css;
 }
 
@@ -170,13 +170,13 @@ static int freezer_can_attach(struct cgroup_subsys *ss,
 		return -EBUSY;
 
 	freezer = cgroup_freezer(new_cgroup);
-	if (freezer->state == STATE_FROZEN)
+	if (freezer->state == CGROUP_FROZEN)
 		return -EBUSY;
 
 	retval = 0;
 	task_lock(task);
 	freezer = task_freezer(task);
-	if (freezer->state == STATE_FROZEN)
+	if (freezer->state == CGROUP_FROZEN)
 		retval = -EBUSY;
 	task_unlock(task);
 	return retval;
@@ -190,10 +190,10 @@ static void freezer_fork(struct cgroup_subsys *ss, struct task_struct *task)
 	freezer = task_freezer(task);
 	task_unlock(task);
 
-	BUG_ON(freezer->state == STATE_FROZEN);
+	BUG_ON(freezer->state == CGROUP_FROZEN);
 	spin_lock_irq(&freezer->lock);
-	/* Locking avoids race with FREEZING -> RUNNING transitions. */
-	if (freezer->state == STATE_FREEZING)
+	/* Locking avoids race with FREEZING -> THAWED transitions. */
+	if (freezer->state == CGROUP_FREEZING)
 		freeze_task(task, true);
 	spin_unlock_irq(&freezer->lock);
 }
@@ -221,7 +221,7 @@ static void check_if_frozen(struct cgroup *cgroup,
 	 * tasks.
 	 */
 	if (nfrozen == ntotal)
-		freezer->state = STATE_FROZEN;
+		freezer->state = CGROUP_FROZEN;
 	cgroup_iter_end(cgroup, &it);
 }
 
@@ -237,7 +237,7 @@ static int freezer_read(struct cgroup *cgroup, struct cftype *cft,
 	freezer = cgroup_freezer(cgroup);
 	spin_lock_irq(&freezer->lock);
 	state = freezer->state;
-	if (state == STATE_FREEZING) {
+	if (state == CGROUP_FREEZING) {
 		/* We change from FREEZING to FROZEN lazily if the cgroup was
 		 * only partially frozen when we exitted write. */
 		check_if_frozen(cgroup, freezer);
@@ -257,7 +257,7 @@ static int try_to_freeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
 	struct task_struct *task;
 	unsigned int num_cant_freeze_now = 0;
 
-	freezer->state = STATE_FREEZING;
+	freezer->state = CGROUP_FREEZING;
 	cgroup_iter_start(cgroup, &it);
 	while ((task = cgroup_iter_next(cgroup, &it))) {
 		if (!freeze_task(task, true))
@@ -288,7 +288,7 @@ static int unfreeze_cgroup(struct cgroup *cgroup, struct freezer *freezer)
 			wake_up_process(task);
 	}
 	cgroup_iter_end(cgroup, &it);
-	freezer->state = STATE_RUNNING;
+	freezer->state = CGROUP_THAWED;
 
 	return 0;
 }
@@ -305,18 +305,18 @@ static int freezer_change_state(struct cgroup *cgroup,
 	if (goal_state == freezer->state)
 		goto out;
 	switch (freezer->state) {
-	case STATE_RUNNING:
+	case CGROUP_THAWED:
 		retval = try_to_freeze_cgroup(cgroup, freezer);
 		break;
-	case STATE_FREEZING:
-		if (goal_state == STATE_FROZEN) {
+	case CGROUP_FREEZING:
+		if (goal_state == CGROUP_FROZEN) {
 			/* Userspace is retrying after
 			 * "/bin/echo FROZEN > freezer.state" returned -EBUSY */
 			retval = try_to_freeze_cgroup(cgroup, freezer);
 			break;
 		}
-		/* state == FREEZING and goal_state == RUNNING, so unfreeze */
-	case STATE_FROZEN:
+		/* state == FREEZING and goal_state == THAWED, so unfreeze */
+	case CGROUP_FROZEN:
 		retval = unfreeze_cgroup(cgroup, freezer);
 		break;
 	default:
@@ -335,10 +335,10 @@ static int freezer_write(struct cgroup *cgroup,
 	int retval;
 	enum freezer_state goal_state;
 
-	if (strcmp(buffer, freezer_state_strs[STATE_RUNNING]) == 0)
-		goal_state = STATE_RUNNING;
-	else if (strcmp(buffer, freezer_state_strs[STATE_FROZEN]) == 0)
-		goal_state = STATE_FROZEN;
+	if (strcmp(buffer, freezer_state_strs[CGROUP_THAWED]) == 0)
+		goal_state = CGROUP_THAWED;
+	else if (strcmp(buffer, freezer_state_strs[CGROUP_FROZEN]) == 0)
+		goal_state = CGROUP_FROZEN;
 	else
 		return -EIO;
 
-- 
GitLab


From 1aece34833721d64eb33fc15cd923c727296d3d3 Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:24 -0700
Subject: [PATCH 1400/2224] container freezer: rename check_if_frozen()

check_if_frozen() sounds like it should return something when in fact it's
just updating the freezer state.

Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cgroup_freezer.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 6e4280d7742..e9505695449 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -201,8 +201,8 @@ static void freezer_fork(struct cgroup_subsys *ss, struct task_struct *task)
 /*
  * caller must hold freezer->lock
  */
-static void check_if_frozen(struct cgroup *cgroup,
-			     struct freezer *freezer)
+static void update_freezer_state(struct cgroup *cgroup,
+				 struct freezer *freezer)
 {
 	struct cgroup_iter it;
 	struct task_struct *task;
@@ -222,6 +222,10 @@ static void check_if_frozen(struct cgroup *cgroup,
 	 */
 	if (nfrozen == ntotal)
 		freezer->state = CGROUP_FROZEN;
+	else if (nfrozen > 0)
+		freezer->state = CGROUP_FREEZING;
+	else
+		freezer->state = CGROUP_THAWED;
 	cgroup_iter_end(cgroup, &it);
 }
 
@@ -240,7 +244,7 @@ static int freezer_read(struct cgroup *cgroup, struct cftype *cft,
 	if (state == CGROUP_FREEZING) {
 		/* We change from FREEZING to FROZEN lazily if the cgroup was
 		 * only partially frozen when we exitted write. */
-		check_if_frozen(cgroup, freezer);
+		update_freezer_state(cgroup, freezer);
 		state = freezer->state;
 	}
 	spin_unlock_irq(&freezer->lock);
@@ -301,7 +305,7 @@ static int freezer_change_state(struct cgroup *cgroup,
 
 	freezer = cgroup_freezer(cgroup);
 	spin_lock_irq(&freezer->lock);
-	check_if_frozen(cgroup, freezer); /* may update freezer->state */
+	update_freezer_state(cgroup, freezer);
 	if (goal_state == freezer->state)
 		goto out;
 	switch (freezer->state) {
-- 
GitLab


From bde5ab65581a63e9f4f4bacfae8f201d04d25bed Mon Sep 17 00:00:00 2001
From: Matt Helsley <matthltc@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:24 -0700
Subject: [PATCH 1401/2224] container freezer: document the cgroup freezer
 subsystem.

Describe why we need the freezer subsystem and how to use it in a
documentation file.  Since the cgroups.txt file is focused on the
subsystem-agnostic portions of cgroups make a directory and move the old
cgroups.txt file at the same time.

Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: containers@lists.linux-foundation.org
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/{ => cgroups}/cgroups.txt     |  0
 Documentation/cgroups/freezer-subsystem.txt | 99 +++++++++++++++++++++
 Documentation/cpusets.txt                   |  2 +-
 3 files changed, 100 insertions(+), 1 deletion(-)
 rename Documentation/{ => cgroups}/cgroups.txt (100%)
 create mode 100644 Documentation/cgroups/freezer-subsystem.txt

diff --git a/Documentation/cgroups.txt b/Documentation/cgroups/cgroups.txt
similarity index 100%
rename from Documentation/cgroups.txt
rename to Documentation/cgroups/cgroups.txt
diff --git a/Documentation/cgroups/freezer-subsystem.txt b/Documentation/cgroups/freezer-subsystem.txt
new file mode 100644
index 00000000000..c50ab58b72e
--- /dev/null
+++ b/Documentation/cgroups/freezer-subsystem.txt
@@ -0,0 +1,99 @@
+	The cgroup freezer is useful to batch job management system which start
+and stop sets of tasks in order to schedule the resources of a machine
+according to the desires of a system administrator. This sort of program
+is often used on HPC clusters to schedule access to the cluster as a
+whole. The cgroup freezer uses cgroups to describe the set of tasks to
+be started/stopped by the batch job management system. It also provides
+a means to start and stop the tasks composing the job.
+
+	The cgroup freezer will also be useful for checkpointing running groups
+of tasks. The freezer allows the checkpoint code to obtain a consistent
+image of the tasks by attempting to force the tasks in a cgroup into a
+quiescent state. Once the tasks are quiescent another task can
+walk /proc or invoke a kernel interface to gather information about the
+quiesced tasks. Checkpointed tasks can be restarted later should a
+recoverable error occur. This also allows the checkpointed tasks to be
+migrated between nodes in a cluster by copying the gathered information
+to another node and restarting the tasks there.
+
+	Sequences of SIGSTOP and SIGCONT are not always sufficient for stopping
+and resuming tasks in userspace. Both of these signals are observable
+from within the tasks we wish to freeze. While SIGSTOP cannot be caught,
+blocked, or ignored it can be seen by waiting or ptracing parent tasks.
+SIGCONT is especially unsuitable since it can be caught by the task. Any
+programs designed to watch for SIGSTOP and SIGCONT could be broken by
+attempting to use SIGSTOP and SIGCONT to stop and resume tasks. We can
+demonstrate this problem using nested bash shells:
+
+	$ echo $$
+	16644
+	$ bash
+	$ echo $$
+	16690
+
+	From a second, unrelated bash shell:
+	$ kill -SIGSTOP 16690
+	$ kill -SIGCONT 16990
+
+	<at this point 16990 exits and causes 16644 to exit too>
+
+	This happens because bash can observe both signals and choose how it
+responds to them.
+
+	Another example of a program which catches and responds to these
+signals is gdb. In fact any program designed to use ptrace is likely to
+have a problem with this method of stopping and resuming tasks.
+
+	 In contrast, the cgroup freezer uses the kernel freezer code to
+prevent the freeze/unfreeze cycle from becoming visible to the tasks
+being frozen. This allows the bash example above and gdb to run as
+expected.
+
+	The freezer subsystem in the container filesystem defines a file named
+freezer.state. Writing "FROZEN" to the state file will freeze all tasks in the
+cgroup. Subsequently writing "THAWED" will unfreeze the tasks in the cgroup.
+Reading will return the current state.
+
+* Examples of usage :
+
+   # mkdir /containers/freezer
+   # mount -t cgroup -ofreezer freezer  /containers
+   # mkdir /containers/0
+   # echo $some_pid > /containers/0/tasks
+
+to get status of the freezer subsystem :
+
+   # cat /containers/0/freezer.state
+   THAWED
+
+to freeze all tasks in the container :
+
+   # echo FROZEN > /containers/0/freezer.state
+   # cat /containers/0/freezer.state
+   FREEZING
+   # cat /containers/0/freezer.state
+   FROZEN
+
+to unfreeze all tasks in the container :
+
+   # echo THAWED > /containers/0/freezer.state
+   # cat /containers/0/freezer.state
+   THAWED
+
+This is the basic mechanism which should do the right thing for user space task
+in a simple scenario.
+
+It's important to note that freezing can be incomplete. In that case we return
+EBUSY. This means that some tasks in the cgroup are busy doing something that
+prevents us from completely freezing the cgroup at this time. After EBUSY,
+the cgroup will remain partially frozen -- reflected by freezer.state reporting
+"FREEZING" when read. The state will remain "FREEZING" until one of these
+things happens:
+
+	1) Userspace cancels the freezing operation by writing "THAWED" to
+		the freezer.state file
+	2) Userspace retries the freezing operation by writing "FROZEN" to
+		the freezer.state file (writing "FREEZING" is not legal
+		and returns EIO)
+	3) The tasks that blocked the cgroup from entering the "FROZEN"
+		state disappear from the cgroup's set of tasks.
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt
index 47e568a9370..5c86c258c79 100644
--- a/Documentation/cpusets.txt
+++ b/Documentation/cpusets.txt
@@ -48,7 +48,7 @@ hooks, beyond what is already present, required to manage dynamic
 job placement on large systems.
 
 Cpusets use the generic cgroup subsystem described in
-Documentation/cgroup.txt.
+Documentation/cgroups/cgroups.txt.
 
 Requests by a task, using the sched_setaffinity(2) system call to
 include CPUs in its CPU affinity mask, and using the mbind(2) and
-- 
GitLab


From d12a6f7f913afb2c6f5de44cbac1bb7232a03175 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 18 Oct 2008 20:27:25 -0700
Subject: [PATCH 1402/2224] arch/m68k/bvme6000/rtc.c: remove duplicated include

Removed duplicated include file <linux/smp_lock.h> in
arch/m68k/bvme6000/rtc.c.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/m68k/bvme6000/rtc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/m68k/bvme6000/rtc.c b/arch/m68k/bvme6000/rtc.c
index 808c9018b11..c50bec8aabb 100644
--- a/arch/m68k/bvme6000/rtc.c
+++ b/arch/m68k/bvme6000/rtc.c
@@ -18,7 +18,6 @@
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/mc146818rtc.h>	/* For struct rtc_time and ioctls, etc */
-#include <linux/smp_lock.h>
 #include <linux/bcd.h>
 #include <asm/bvme6000hw.h>
 
-- 
GitLab


From 966c8079c0eae66242692184982dc70671dbe90f Mon Sep 17 00:00:00 2001
From: WANG Cong <wangcong@zeuux.org>
Date: Sat, 18 Oct 2008 20:27:26 -0700
Subject: [PATCH 1403/2224] uml: fix a compile error

Fix

arch/um/sys-i386/signal.c: In function 'copy_sc_from_user':
arch/um/sys-i386/signal.c:182: warning: dereferencing 'void *' pointer
arch/um/sys-i386/signal.c:182: error: request for member '_fxsr_env' in something not a structure or union

Signed-off-by: WANG Cong <wangcong@zeuux.org>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/um/sys-i386/signal.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c
index fd0c25ad6af..129647375a6 100644
--- a/arch/um/sys-i386/signal.c
+++ b/arch/um/sys-i386/signal.c
@@ -179,7 +179,8 @@ static int copy_sc_from_user(struct pt_regs *regs,
 	if (have_fpx_regs) {
 		struct user_fxsr_struct fpx;
 
-		err = copy_from_user(&fpx, &sc.fpstate->_fxsr_env[0],
+		err = copy_from_user(&fpx,
+			&((struct _fpstate __user *)sc.fpstate)->_fxsr_env[0],
 				     sizeof(struct user_fxsr_struct));
 		if (err)
 			return 1;
-- 
GitLab


From 2a80a3783d975dadea9740b0ac84c2e8796ee5bb Mon Sep 17 00:00:00 2001
From: Andi Kleen <andi@firstfloor.org>
Date: Sat, 18 Oct 2008 20:27:27 -0700
Subject: [PATCH 1404/2224] Fix documentation of sysrq-q

I fell into the trap recently that it only dumps hrtimers instead of
all timers. Fix the documentation.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/sysrq.txt | 3 ++-
 drivers/char/sysrq.c    | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt
index 5ce0952aa06..49378a9f2b5 100644
--- a/Documentation/sysrq.txt
+++ b/Documentation/sysrq.txt
@@ -95,7 +95,8 @@ On all -  write a character to /proc/sysrq-trigger.  e.g.:
 
 'p'     - Will dump the current registers and flags to your console.
 
-'q'     - Will dump a list of all running timers.
+'q'     - Will dump a list of all running hrtimers.
+	  WARNING: Does not cover any other timers
 
 'r'     - Turns off keyboard raw mode and sets it to XLATE.
 
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index dce4cc0e695..d0c0d64ed36 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -168,7 +168,7 @@ static void sysrq_handle_show_timers(int key, struct tty_struct *tty)
 static struct sysrq_key_op sysrq_show_timers_op = {
 	.handler	= sysrq_handle_show_timers,
 	.help_msg	= "show-all-timers(Q)",
-	.action_msg	= "Show Pending Timers",
+	.action_msg	= "Show pending hrtimers (no others)",
 };
 
 static void sysrq_handle_mountro(int key, struct tty_struct *tty)
-- 
GitLab


From 5c6248411639e2b4e7f167632f30f5f3a7aa105f Mon Sep 17 00:00:00 2001
From: Eric Piel <eric.piel@tremplin-utc.net>
Date: Sat, 18 Oct 2008 20:27:28 -0700
Subject: [PATCH 1405/2224] HP-WMI: additional keycode (or typo)

On my HP 2510, pressing the (i) button generates an unknown keycode:
0x213b. So here is a patch adding support for it. However, as it seems
there is already support for a similar button connected to 0x231b as
keycode, I wonder if it could be a typo in the driver?

Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/misc/hp-wmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/misc/hp-wmi.c b/drivers/misc/hp-wmi.c
index 5dabfb69ee5..4b7c24c519c 100644
--- a/drivers/misc/hp-wmi.c
+++ b/drivers/misc/hp-wmi.c
@@ -82,6 +82,7 @@ static struct key_entry hp_wmi_keymap[] = {
 	{KE_KEY, 0x03, KEY_BRIGHTNESSDOWN},
 	{KE_KEY, 0x20e6, KEY_PROG1},
 	{KE_KEY, 0x2142, KEY_MEDIA},
+	{KE_KEY, 0x213b, KEY_INFO},
 	{KE_KEY, 0x231b, KEY_HELP},
 	{KE_END, 0}
 };
-- 
GitLab


From c3b9f5afc7f4c8abc0452f132edb13ac8c1fafbf Mon Sep 17 00:00:00 2001
From: WANG Cong <wangcong@zeuux.org>
Date: Sat, 18 Oct 2008 20:27:29 -0700
Subject: [PATCH 1406/2224] kernel/configs.c: remove useless comments

These comments are useless, remove them.

Signed-off-by: WANG Cong <wangcong@zeuux.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/configs.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/kernel/configs.c b/kernel/configs.c
index 4c345210ed8..abaee684ecb 100644
--- a/kernel/configs.c
+++ b/kernel/configs.c
@@ -54,9 +54,6 @@
 
 #ifdef CONFIG_IKCONFIG_PROC
 
-/**************************************************/
-/* globals and useful constants                   */
-
 static ssize_t
 ikconfig_read_current(struct file *file, char __user *buf,
 		      size_t len, loff_t * offset)
@@ -71,9 +68,6 @@ static const struct file_operations ikconfig_file_ops = {
 	.read = ikconfig_read_current,
 };
 
-/***************************************************/
-/* ikconfig_init: start up everything we need to */
-
 static int __init ikconfig_init(void)
 {
 	struct proc_dir_entry *entry;
@@ -89,9 +83,6 @@ static int __init ikconfig_init(void)
 	return 0;
 }
 
-/***************************************************/
-/* ikconfig_cleanup: clean up our mess           */
-
 static void __exit ikconfig_cleanup(void)
 {
 	remove_proc_entry("config.gz", NULL);
-- 
GitLab


From 4d235ba6c2e9c717da8facafd1b990dcb687d1e0 Mon Sep 17 00:00:00 2001
From: Ameya Palande <2ameya@gmail.com>
Date: Sat, 18 Oct 2008 20:27:30 -0700
Subject: [PATCH 1407/2224] intel-iommu: typo fix and correct word in the
 comment

Fix for a typo and and replacing incorrect word in the comment.

Signed-off-by: Ameya Palande <2ameya@gmail.com>
Cc: "Ashok Raj" <ashok.raj@intel.com>
Cc: "Shaohua Li" <shaohua.li@intel.com>
Cc: "Anil S Keshavamurthy" <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/pci/intel-iommu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index fc5f2dbf532..8b51e10b778 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -563,7 +563,7 @@ static int __iommu_flush_context(struct intel_iommu *iommu,
 
 	spin_unlock_irqrestore(&iommu->register_lock, flag);
 
-	/* flush context entry will implictly flush write buffer */
+	/* flush context entry will implicitly flush write buffer */
 	return 0;
 }
 
@@ -656,7 +656,7 @@ static int __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did,
 	if (DMA_TLB_IAIG(val) != DMA_TLB_IIRG(type))
 		pr_debug("IOMMU: tlb flush request %Lx, actual %Lx\n",
 			DMA_TLB_IIRG(type), DMA_TLB_IAIG(val));
-	/* flush context entry will implictly flush write buffer */
+	/* flush iotlb entry will implicitly flush write buffer */
 	return 0;
 }
 
-- 
GitLab


From 28f74e71775b1ae0ebf7fe87f7a7f39ecb77a2b8 Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie@gmail.com>
Date: Sat, 18 Oct 2008 20:27:30 -0700
Subject: [PATCH 1408/2224] hwmon/pc87360 separate alarm files: define some
 constants

Bring hwmon/pc87360 into agreement with
Documentation/hwmon/sysfs-interface.

Patchset adds separate limit alarms for voltages and temps, it also adds
temp[123]_fault files.  On my Soekris, temps 1,2 are unused/unconnected,
so temp[123]_fault = 1,1,0 respectively.  This agrees with
/usr/bin/sensors, which has always shown them as OPEN.  Temps 4,5,6 are
thermistor based, and dont have a fault bit in their status register.

This patch:

2 different kinds of constants added:
- CHAN_ALM_* constants for (later) vin, temp alarm callbacks.
- CHAN_* conversion constants, used in _init_device, partly for RW1C bits

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/pc87360.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 9b462bb13fa..1043b116bde 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -489,6 +489,11 @@ static struct sensor_device_attribute in_max[] = {
 	SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
 };
 
+/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */
+#define CHAN_ALM_MIN	0x02	/* min limit crossed */
+#define CHAN_ALM_MAX	0x04	/* max limit exceeded */
+#define TEMP_ALM_CRIT	0x08	/* temp crit exceeded (temp only) */
+
 #define VIN_UNIT_ATTRS(X) \
 	&in_input[X].dev_attr.attr,	\
 	&in_status[X].dev_attr.attr,	\
@@ -1131,6 +1136,12 @@ static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
 	mutex_unlock(&(data->lock));
 }
 
+/* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */
+#define CHAN_CNVRTD	0x80	/* new data ready */
+#define CHAN_ENA	0x01	/* enabled channel (temp or vin) */
+#define CHAN_ALM_ENA	0x10	/* propagate to alarms-reg ?? (chk val!) */
+#define CHAN_READY	(CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */
+
 static void pc87360_init_device(struct platform_device *pdev,
 				int use_thermistors)
 {
@@ -1156,7 +1167,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 			/* Forcibly enable voltage channel */
 			reg = pc87360_read_value(data, LD_IN, i,
 						 PC87365_REG_IN_STATUS);
-			if (!(reg & 0x01)) {
+			if (!(reg & CHAN_ENA)) {
 				dev_dbg(&pdev->dev, "Forcibly "
 					"enabling in%d\n", i);
 				pc87360_write_value(data, LD_IN, i,
@@ -1171,7 +1182,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 	for (i = 11; i < data->innr; i++) {
 		reg = pc87360_read_value(data, LD_IN, i,
 					 PC87365_REG_TEMP_STATUS);
-		use_thermistors = use_thermistors || (reg & 0x01);
+		use_thermistors = use_thermistors || (reg & CHAN_ENA);
 	}
 
 	i = use_thermistors ? 2 : 0;
@@ -1180,7 +1191,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 			/* Forcibly enable temperature channel */
 			reg = pc87360_read_value(data, LD_TEMP, i,
 						 PC87365_REG_TEMP_STATUS);
-			if (!(reg & 0x01)) {
+			if (!(reg & CHAN_ENA)) {
 				dev_dbg(&pdev->dev, "Forcibly "
 					"enabling temp%d\n", i+1);
 				pc87360_write_value(data, LD_TEMP, i,
@@ -1197,7 +1208,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 				   diodes */
 				reg = pc87360_read_value(data, LD_TEMP,
 				      (i-11)/2, PC87365_REG_TEMP_STATUS);
-				if (reg & 0x01) {
+				if (reg & CHAN_ENA) {
 					dev_dbg(&pdev->dev, "Skipping "
 						"temp%d, pin already in use "
 						"by temp%d\n", i-7, (i-11)/2);
@@ -1207,7 +1218,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 				/* Forcibly enable thermistor channel */
 				reg = pc87360_read_value(data, LD_IN, i,
 							 PC87365_REG_IN_STATUS);
-				if (!(reg & 0x01)) {
+				if (!(reg & CHAN_ENA)) {
 					dev_dbg(&pdev->dev, "Forcibly "
 						"enabling temp%d\n", i-7);
 					pc87360_write_value(data, LD_IN, i,
@@ -1221,7 +1232,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 	if (data->innr) {
 		reg = pc87360_read_value(data, LD_IN, NO_BANK,
 					 PC87365_REG_IN_CONFIG);
-		if (reg & 0x01) {
+		if (reg & CHAN_ENA) {
 			dev_dbg(&pdev->dev, "Forcibly "
 				"enabling monitoring (VLM)\n");
 			pc87360_write_value(data, LD_IN, NO_BANK,
@@ -1233,7 +1244,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 	if (data->tempnr) {
 		reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
 					 PC87365_REG_TEMP_CONFIG);
-		if (reg & 0x01) {
+		if (reg & CHAN_ENA) {
 			dev_dbg(&pdev->dev, "Forcibly enabling "
 				"monitoring (TMS)\n");
 			pc87360_write_value(data, LD_TEMP, NO_BANK,
@@ -1336,11 +1347,11 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
 			pc87360_write_value(data, LD_IN, i,
 					    PC87365_REG_IN_STATUS,
 					    data->in_status[i]);
-			if ((data->in_status[i] & 0x81) == 0x81) {
+			if ((data->in_status[i] & CHAN_READY) == CHAN_READY) {
 				data->in[i] = pc87360_read_value(data, LD_IN,
 					      i, PC87365_REG_IN);
 			}
-			if (data->in_status[i] & 0x01) {
+			if (data->in_status[i] & CHAN_ENA) {
 				data->in_min[i] = pc87360_read_value(data,
 						  LD_IN, i,
 						  PC87365_REG_IN_MIN);
@@ -1373,12 +1384,12 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
 			pc87360_write_value(data, LD_TEMP, i,
 					    PC87365_REG_TEMP_STATUS,
 					    data->temp_status[i]);
-			if ((data->temp_status[i] & 0x81) == 0x81) {
+			if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) {
 				data->temp[i] = pc87360_read_value(data,
 						LD_TEMP, i,
 						PC87365_REG_TEMP);
 			}
-			if (data->temp_status[i] & 0x01) {
+			if (data->temp_status[i] & CHAN_ENA) {
 				data->temp_min[i] = pc87360_read_value(data,
 						    LD_TEMP, i,
 						    PC87365_REG_TEMP_MIN);
-- 
GitLab


From 492e9657d1a790f44ab9b0e03fc72c1d8145f590 Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie@gmail.com>
Date: Sat, 18 Oct 2008 20:27:32 -0700
Subject: [PATCH 1409/2224] hwmon/pc87360 separate alarm files: add
 in-min/max-alarms

Adds vin-min/max-alarm callbacks, sensor-device-attribute declarations,
and refs to those new decls in the macro used to initialize the vin_group
(of sysfs files)

[akpm@linux-foundation.org: cleanups]
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/pc87360.c | 52 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 51 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 1043b116bde..3a7d7fa64eb 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -494,11 +494,61 @@ static struct sensor_device_attribute in_max[] = {
 #define CHAN_ALM_MAX	0x04	/* max limit exceeded */
 #define TEMP_ALM_CRIT	0x08	/* temp crit exceeded (temp only) */
 
+/* show_in_min/max_alarm() reads data from the per-channel status
+   register (sec 11.5.12), not the vin event status registers (sec
+   11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */
+
+static ssize_t show_in_min_alarm(struct device *dev,
+			struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_in_max_alarm(struct device *dev,
+			struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
+}
+
+static struct sensor_device_attribute in_min_alarm[] = {
+	SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0),
+	SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1),
+	SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2),
+	SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3),
+	SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4),
+	SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5),
+	SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6),
+	SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7),
+	SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8),
+	SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9),
+	SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10),
+};
+static struct sensor_device_attribute in_max_alarm[] = {
+	SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0),
+	SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1),
+	SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2),
+	SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3),
+	SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4),
+	SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5),
+	SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6),
+	SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7),
+	SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8),
+	SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9),
+	SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10),
+};
+
 #define VIN_UNIT_ATTRS(X) \
 	&in_input[X].dev_attr.attr,	\
 	&in_status[X].dev_attr.attr,	\
 	&in_min[X].dev_attr.attr,	\
-	&in_max[X].dev_attr.attr
+	&in_max[X].dev_attr.attr,	\
+	&in_min_alarm[X].dev_attr.attr,	\
+	&in_max_alarm[X].dev_attr.attr
 
 static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
 {
-- 
GitLab


From b267e8cdc638dfa53360d532aa56afa0ec12e6a5 Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie@gmail.com>
Date: Sat, 18 Oct 2008 20:27:32 -0700
Subject: [PATCH 1410/2224] hwmon/pc87360 separate alarm files: add
 temp-min/max/crit/fault-alarms

Adds temp-min/max/crit/fault-alarm callbacks, sensor-device-attribute
declarations, and refs to those new decls in the macro used to initialize
the temp_group (of sysfs files)

[akpm@linux-foundation.org: cleanups]
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/pc87360.c | 84 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 80 insertions(+), 4 deletions(-)

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 3a7d7fa64eb..c80ee5f056b 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -845,12 +845,76 @@ static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *att
 }
 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
 
+/* show_temp_min/max_alarm() reads data from the per-channel status
+   register (sec 12.3.7), not the temp event status registers (sec
+   12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */
+
+static ssize_t show_temp_min_alarm(struct device *dev,
+			struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_temp_max_alarm(struct device *dev,
+			struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX));
+}
+static ssize_t show_temp_crit_alarm(struct device *dev,
+			struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT));
+}
+
+static struct sensor_device_attribute temp_min_alarm[] = {
+	SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0),
+	SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1),
+	SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2),
+};
+static struct sensor_device_attribute temp_max_alarm[] = {
+	SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0),
+	SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1),
+	SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2),
+};
+static struct sensor_device_attribute temp_crit_alarm[] = {
+	SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0),
+	SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1),
+	SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2),
+};
+
+#define TEMP_FAULT	0x40	/* open diode */
+static ssize_t show_temp_fault(struct device *dev,
+			struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT));
+}
+static struct sensor_device_attribute temp_fault[] = {
+	SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0),
+	SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1),
+	SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2),
+};
+
 #define TEMP_UNIT_ATTRS(X) \
 	&temp_input[X].dev_attr.attr,	\
 	&temp_status[X].dev_attr.attr,	\
 	&temp_min[X].dev_attr.attr,	\
 	&temp_max[X].dev_attr.attr,	\
-	&temp_crit[X].dev_attr.attr
+	&temp_crit[X].dev_attr.attr,	\
+	&temp_min_alarm[X].dev_attr.attr, \
+	&temp_max_alarm[X].dev_attr.attr, \
+	&temp_crit_alarm[X].dev_attr.attr, \
+	&temp_fault[X].dev_attr.attr
 
 static struct attribute * pc8736x_temp_attr_array[] = {
 	TEMP_UNIT_ATTRS(0),
@@ -864,8 +928,8 @@ static const struct attribute_group pc8736x_temp_group = {
 	.attrs = pc8736x_temp_attr_array,
 };
 
-static ssize_t show_name(struct device *dev, struct device_attribute
-			 *devattr, char *buf)
+static ssize_t show_name(struct device *dev,
+			struct device_attribute *devattr, char *buf)
 {
 	struct pc87360_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%s\n", data->name);
@@ -1086,7 +1150,15 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
 			    || (err = device_create_file(dev,
 					&temp_crit[i].dev_attr))
 			    || (err = device_create_file(dev,
-					&temp_status[i].dev_attr)))
+					&temp_status[i].dev_attr))
+			    || (err = device_create_file(dev,
+					&temp_min_alarm[i].dev_attr))
+			    || (err = device_create_file(dev,
+					&temp_max_alarm[i].dev_attr))
+			    || (err = device_create_file(dev,
+					&temp_crit_alarm[i].dev_attr))
+			    || (err = device_create_file(dev,
+					&temp_fault[i].dev_attr)))
 				goto ERROR3;
 		}
 		if ((err = device_create_file(dev, &dev_attr_alarms_temp)))
@@ -1192,6 +1264,10 @@ static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
 #define CHAN_ALM_ENA	0x10	/* propagate to alarms-reg ?? (chk val!) */
 #define CHAN_READY	(CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */
 
+#define TEMP_OTS_OE	0x20	/* OTS Output Enable */
+#define VIN_RW1C_MASK	(CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN)   /* 0x87 */
+#define TEMP_RW1C_MASK	(VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */
+
 static void pc87360_init_device(struct platform_device *pdev,
 				int use_thermistors)
 {
-- 
GitLab


From 2a32ec2500514109754e07721d9d5d431a706a31 Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie@gmail.com>
Date: Sat, 18 Oct 2008 20:27:33 -0700
Subject: [PATCH 1411/2224] hwmon/pc87360 separate alarm files: define LDNI_MAX
 const

Driver handles 3 logical devices in fixed length array.  Give this a
define-d constant.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/pc87360.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index c80ee5f056b..7153b630ad4 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -75,7 +75,8 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
 #define FSCM	0x09	/* Logical device: fans */
 #define VLM	0x0d	/* Logical device: voltages */
 #define TMS	0x0e	/* Logical device: temperatures */
-static const u8 logdev[3] = { FSCM, VLM, TMS };
+#define LDNI_MAX 3
+static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS };
 
 #define LD_FAN		0
 #define LD_IN		1
@@ -1074,7 +1075,7 @@ static int __devinit pc87360_probe(struct platform_device *pdev)
 	mutex_init(&data->update_lock);
 	platform_set_drvdata(pdev, data);
 
-	for (i = 0; i < 3; i++) {
+	for (i = 0; i < LDNI_MAX; i++) {
 		if (((data->address[i] = extra_isa[i]))
 		 && !request_region(extra_isa[i], PC87360_EXTENT,
 		 		    pc87360_driver.driver.name)) {
-- 
GitLab


From 8ca136741e15e8546e787ae92a7f4aeca84be494 Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie@gmail.com>
Date: Sat, 18 Oct 2008 20:27:34 -0700
Subject: [PATCH 1412/2224] hwmon/pc87360 separate alarm files: add dev_dbg
 help

temp and vin status register values may be set by chip specifications, set
again by bios, or by this previously loaded driver.  Debug output nicely
displays modprobe init=\d actions.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/pc87360.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 7153b630ad4..6804a3570f3 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -1290,10 +1290,11 @@ static void pc87360_init_device(struct platform_device *pdev,
 
 	nr = data->innr < 11 ? data->innr : 11;
 	for (i = 0; i < nr; i++) {
+		reg = pc87360_read_value(data, LD_IN, i,
+					 PC87365_REG_IN_STATUS);
+		dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg);
 		if (init >= init_in[i]) {
 			/* Forcibly enable voltage channel */
-			reg = pc87360_read_value(data, LD_IN, i,
-						 PC87365_REG_IN_STATUS);
 			if (!(reg & CHAN_ENA)) {
 				dev_dbg(&pdev->dev, "Forcibly "
 					"enabling in%d\n", i);
@@ -1306,18 +1307,23 @@ static void pc87360_init_device(struct platform_device *pdev,
 
 	/* We can't blindly trust the Super-I/O space configuration bit,
 	   most BIOS won't set it properly */
+	dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors);
 	for (i = 11; i < data->innr; i++) {
 		reg = pc87360_read_value(data, LD_IN, i,
 					 PC87365_REG_TEMP_STATUS);
 		use_thermistors = use_thermistors || (reg & CHAN_ENA);
+		/* thermistors are temp[4-6], measured on vin[11-14] */
+		dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg);
 	}
+	dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors);
 
 	i = use_thermistors ? 2 : 0;
 	for (; i < data->tempnr; i++) {
+		reg = pc87360_read_value(data, LD_TEMP, i,
+					 PC87365_REG_TEMP_STATUS);
+		dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i+1, reg);
 		if (init >= init_temp[i]) {
 			/* Forcibly enable temperature channel */
-			reg = pc87360_read_value(data, LD_TEMP, i,
-						 PC87365_REG_TEMP_STATUS);
 			if (!(reg & CHAN_ENA)) {
 				dev_dbg(&pdev->dev, "Forcibly "
 					"enabling temp%d\n", i+1);
@@ -1359,6 +1365,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 	if (data->innr) {
 		reg = pc87360_read_value(data, LD_IN, NO_BANK,
 					 PC87365_REG_IN_CONFIG);
+		dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg);
 		if (reg & CHAN_ENA) {
 			dev_dbg(&pdev->dev, "Forcibly "
 				"enabling monitoring (VLM)\n");
@@ -1371,6 +1378,7 @@ static void pc87360_init_device(struct platform_device *pdev,
 	if (data->tempnr) {
 		reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
 					 PC87365_REG_TEMP_CONFIG);
+		dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg);
 		if (reg & CHAN_ENA) {
 			dev_dbg(&pdev->dev, "Forcibly enabling "
 				"monitoring (TMS)\n");
-- 
GitLab


From 865c295360f61c2f3634fb1387b4468fdc8287da Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie@gmail.com>
Date: Sat, 18 Oct 2008 20:27:35 -0700
Subject: [PATCH 1413/2224] hwmon/pc87360 separate alarm files: add
 therm-min/max/crit-alarms

Adds therm-min/max/crit-alarm callbacks, sensor-device-attribute
declarations, and refs to those new decls in the macro used to initialize
the therm_group (of sysfs files)

The thermistors use voltage channels to measure; so they don't have a
fault-alarm, but unlike the other voltages, they do have an overtemp,
which we call crit (by convention).

[akpm@linux-foundation.org: cleanup]
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/pc87360.c | 58 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 57 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 6804a3570f3..5fbfa34c110 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -714,12 +714,68 @@ static struct sensor_device_attribute therm_crit[] = {
 		    show_therm_crit, set_therm_crit, 2+11),
 };
 
+/* show_therm_min/max_alarm() reads data from the per-channel voltage
+   status register (sec 11.5.12) */
+
+static ssize_t show_therm_min_alarm(struct device *dev,
+				struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_therm_max_alarm(struct device *dev,
+				struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
+}
+static ssize_t show_therm_crit_alarm(struct device *dev,
+				struct device_attribute *devattr, char *buf)
+{
+	struct pc87360_data *data = pc87360_update_device(dev);
+	unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+	return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT));
+}
+
+static struct sensor_device_attribute therm_min_alarm[] = {
+	SENSOR_ATTR(temp4_min_alarm, S_IRUGO,
+		    show_therm_min_alarm, NULL, 0+11),
+	SENSOR_ATTR(temp5_min_alarm, S_IRUGO,
+		    show_therm_min_alarm, NULL, 1+11),
+	SENSOR_ATTR(temp6_min_alarm, S_IRUGO,
+		    show_therm_min_alarm, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_max_alarm[] = {
+	SENSOR_ATTR(temp4_max_alarm, S_IRUGO,
+		    show_therm_max_alarm, NULL, 0+11),
+	SENSOR_ATTR(temp5_max_alarm, S_IRUGO,
+		    show_therm_max_alarm, NULL, 1+11),
+	SENSOR_ATTR(temp6_max_alarm, S_IRUGO,
+		    show_therm_max_alarm, NULL, 2+11),
+};
+static struct sensor_device_attribute therm_crit_alarm[] = {
+	SENSOR_ATTR(temp4_crit_alarm, S_IRUGO,
+		    show_therm_crit_alarm, NULL, 0+11),
+	SENSOR_ATTR(temp5_crit_alarm, S_IRUGO,
+		    show_therm_crit_alarm, NULL, 1+11),
+	SENSOR_ATTR(temp6_crit_alarm, S_IRUGO,
+		    show_therm_crit_alarm, NULL, 2+11),
+};
+
 #define THERM_UNIT_ATTRS(X) \
 	&therm_input[X].dev_attr.attr,	\
 	&therm_status[X].dev_attr.attr,	\
 	&therm_min[X].dev_attr.attr,	\
 	&therm_max[X].dev_attr.attr,	\
-	&therm_crit[X].dev_attr.attr
+	&therm_crit[X].dev_attr.attr,	\
+	&therm_min_alarm[X].dev_attr.attr, \
+	&therm_max_alarm[X].dev_attr.attr, \
+	&therm_crit_alarm[X].dev_attr.attr
 
 static struct attribute * pc8736x_therm_attr_array[] = {
 	THERM_UNIT_ATTRS(0),
-- 
GitLab


From 05224091af06177c0ce7c1fae1f498455b47a6be Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:35 -0700
Subject: [PATCH 1414/2224] hwmon: applesmc: specified number of bytes to read
 should match actual

At one single place in the code, the specified number of bytes to read and
the actual number of bytes read differ by one.  This one-liner patch fixes
that inconsistency.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b06b8e090a2..b401975bc0d 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -325,7 +325,7 @@ static int applesmc_get_key_type(char* key, char* type)
 			return -EIO;
 	}
 
-	outb(5, APPLESMC_DATA_PORT);
+	outb(6, APPLESMC_DATA_PORT);
 
 	for (i = 0; i < 6; i++) {
 		if (__wait_status(0x05))
-- 
GitLab


From 84d2d7f2ee98dc9bd799790c89b5eb8280af2d37 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:38 -0700
Subject: [PATCH 1415/2224] hwmon: applesmc: fix the 'wait status failed: c !=
 8' problem

On many Macbooks since mid 2007, the Pro, C2D and Air models, applesmc
fails to read some or all SMC ports.  This problem has various effects,
such as flooded logfiles, malfunctioning temperature sensors,
accelerometers failing to initialize, and difficulties getting backlight
functionality to work properly.

The root of the problem seems to be the command protocol.  The current
code sends out a command byte, then repeatedly polls for an ack before
continuing to send or recieve data.  From experiments leading to this
patch, it seems the command protocol never quite worked or changed so that
one now sends a command byte, waits a little bit, polls for an ack, and if
it fails, repeats the whole thing by sending the command byte again.

This patch implements a send_command function according to the new
interpretation of the protocol, and should work also for earlier models.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 32 ++++++++++++++++++++++++--------
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b401975bc0d..d5bd0cadbf3 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -190,6 +190,26 @@ static int __wait_status(u8 val)
 	return -EIO;
 }
 
+/*
+ * special treatment of command port - on newer macbooks, it seems necessary
+ * to resend the command byte before polling the status again. Callers must
+ * hold applesmc_lock.
+ */
+static int send_command(u8 cmd)
+{
+	int i;
+	for (i = 0; i < 1000; i++) {
+		outb(cmd, APPLESMC_CMD_PORT);
+		udelay(5);
+		if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == 0x0c)
+			return 0;
+		udelay(5);
+	}
+	printk(KERN_WARNING "applesmc: command failed: %x -> %x\n",
+		cmd, inb(APPLESMC_CMD_PORT));
+	return -EIO;
+}
+
 /*
  * applesmc_read_key - reads len bytes from a given key, and put them in buffer.
  * Returns zero on success or a negative error on failure. Callers must
@@ -205,8 +225,7 @@ static int applesmc_read_key(const char* key, u8* buffer, u8 len)
 		return -EINVAL;
 	}
 
-	outb(APPLESMC_READ_CMD, APPLESMC_CMD_PORT);
-	if (__wait_status(0x0c))
+	if (send_command(APPLESMC_READ_CMD))
 		return -EIO;
 
 	for (i = 0; i < 4; i++) {
@@ -249,8 +268,7 @@ static int applesmc_write_key(const char* key, u8* buffer, u8 len)
 		return -EINVAL;
 	}
 
-	outb(APPLESMC_WRITE_CMD, APPLESMC_CMD_PORT);
-	if (__wait_status(0x0c))
+	if (send_command(APPLESMC_WRITE_CMD))
 		return -EIO;
 
 	for (i = 0; i < 4; i++) {
@@ -284,8 +302,7 @@ static int applesmc_get_key_at_index(int index, char* key)
 	readkey[2] = index >> 8;
 	readkey[3] = index;
 
-	outb(APPLESMC_GET_KEY_BY_INDEX_CMD, APPLESMC_CMD_PORT);
-	if (__wait_status(0x0c))
+	if (send_command(APPLESMC_GET_KEY_BY_INDEX_CMD))
 		return -EIO;
 
 	for (i = 0; i < 4; i++) {
@@ -315,8 +332,7 @@ static int applesmc_get_key_type(char* key, char* type)
 {
 	int i;
 
-	outb(APPLESMC_GET_KEY_TYPE_CMD, APPLESMC_CMD_PORT);
-	if (__wait_status(0x0c))
+	if (send_command(APPLESMC_GET_KEY_TYPE_CMD))
 		return -EIO;
 
 	for (i = 0; i < 4; i++) {
-- 
GitLab


From 02fcbd144d684167aa67b1d3ad68f18d265f2d08 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:39 -0700
Subject: [PATCH 1416/2224] hwmon: applesmc: prolong status wait

The time to wait for a status change while reading or writing to the SMC
ports is a balance between read reliability and system performance.  The
current setting yields rougly three errors in a thousand when
simultaneously reading three different temperature values on a Macbook
Air.  This patch increases the setting to a value yielding roughly one
error in ten thousand, with no noticable system performance degradation.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index d5bd0cadbf3..9a43c4b60ea 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -163,7 +163,7 @@ static unsigned int key_at_index;
 static struct workqueue_struct *applesmc_led_wq;
 
 /*
- * __wait_status - Wait up to 2ms for the status port to get a certain value
+ * __wait_status - Wait up to 10ms for the status port to get a certain value
  * (masked with 0x0f), returning zero if the value is obtained.  Callers must
  * hold applesmc_lock.
  */
@@ -173,7 +173,7 @@ static int __wait_status(u8 val)
 
 	val = val & APPLESMC_STATUS_MASK;
 
-	for (i = 0; i < 200; i++) {
+	for (i = 0; i < 1000; i++) {
 		if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) {
 			if (debug)
 				printk(KERN_DEBUG
-- 
GitLab


From 8bd1a12a51871f0c870612d8220b1485d6aefc73 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:39 -0700
Subject: [PATCH 1417/2224] hwmon: applesmc: allow for variable ALV0 and ALV1
 package length

On some recent Macbooks, the package length for the light sensors ALV0 and
ALV1 has changed from 6 to 10.  This patch allows for a variable package
length encompassing both variants.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 9a43c4b60ea..de696b67a4f 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -57,8 +57,8 @@
 
 #define KEY_COUNT_KEY		"#KEY" /* r-o ui32 */
 
-#define LIGHT_SENSOR_LEFT_KEY	"ALV0" /* r-o {alv (6 bytes) */
-#define LIGHT_SENSOR_RIGHT_KEY	"ALV1" /* r-o {alv (6 bytes) */
+#define LIGHT_SENSOR_LEFT_KEY	"ALV0" /* r-o {alv (6-10 bytes) */
+#define LIGHT_SENSOR_RIGHT_KEY	"ALV1" /* r-o {alv (6-10 bytes) */
 #define BACKLIGHT_KEY		"LKSB" /* w-o {lkb (2 bytes) */
 
 #define CLAMSHELL_KEY		"MSLD" /* r-o ui8 (unused) */
@@ -543,17 +543,27 @@ out:
 static ssize_t applesmc_light_show(struct device *dev,
 				struct device_attribute *attr, char *sysfsbuf)
 {
+	static int data_length;
 	int ret;
 	u8 left = 0, right = 0;
-	u8 buffer[6];
+	u8 buffer[10], query[6];
 
 	mutex_lock(&applesmc_lock);
 
-	ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, 6);
+	if (!data_length) {
+		ret = applesmc_get_key_type(LIGHT_SENSOR_LEFT_KEY, query);
+		if (ret)
+			goto out;
+		data_length = clamp_val(query[0], 0, 10);
+		printk(KERN_INFO "applesmc: light sensor data length set to "
+			"%d\n", data_length);
+	}
+
+	ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length);
 	left = buffer[2];
 	if (ret)
 		goto out;
-	ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, 6);
+	ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length);
 	right = buffer[2];
 
 out:
-- 
GitLab


From f5274c972bac2d14c092a9c634e03f51785c7b76 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:40 -0700
Subject: [PATCH 1418/2224] hwmon: applesmc: add support for Macbook Air

This patch adds accelerometer, backlight and temperature sensor support
for the Macbook Air.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index de696b67a4f..b57bd82504a 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -104,6 +104,9 @@ static const char* temperature_sensors_sets[][36] = {
 /* Set 6: Macbook3 set */
 	{ "TB0T", "TC0D", "TC0P", "TM0P", "TN0P", "TTF0", "TW0P", "Th0H",
 	  "Th0S", "Th1H", NULL },
+/* Set 7: Macbook Air */
+	{ "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TC0P", "TCFP",
+	  "TTF0", "TW0P", "Th0H", "Tp0P", "TpFP", "Ts0P", "Ts0S", NULL },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -1259,11 +1262,17 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
 	{ .accelerometer = 0, .light = 0, .temperature_set = 5 },
 /* MacBook3: accelerometer and temperature set 6 */
 	{ .accelerometer = 1, .light = 0, .temperature_set = 6 },
+/* MacBook Air: accelerometer, backlight and temperature set 7 */
+	{ .accelerometer = 1, .light = 1, .temperature_set = 7 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
  * So we need to put "Apple MacBook Pro" before "Apple MacBook". */
 static __initdata struct dmi_system_id applesmc_whitelist[] = {
+	{ applesmc_dmi_match, "Apple MacBook Air", {
+	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") },
+		(void*)&applesmc_dmi_data[7]},
 	{ applesmc_dmi_match, "Apple MacBook Pro", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") },
-- 
GitLab


From 7b5e3cb28f52f42d8cf2b36771be580f33bbc7ae Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Sat, 18 Oct 2008 20:27:41 -0700
Subject: [PATCH 1419/2224] drivers/hwmon/applesmc.c: remove unneeded casts

dmi_system_id.driver_data is already void*.

Cc: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b57bd82504a..208520c6eb0 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -1272,35 +1272,35 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	{ applesmc_dmi_match, "Apple MacBook Air", {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") },
-		(void*)&applesmc_dmi_data[7]},
+		&applesmc_dmi_data[7]},
 	{ applesmc_dmi_match, "Apple MacBook Pro", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") },
-		(void*)&applesmc_dmi_data[0]},
+		&applesmc_dmi_data[0]},
 	{ applesmc_dmi_match, "Apple MacBook (v2)", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBook2") },
-		(void*)&applesmc_dmi_data[1]},
+		&applesmc_dmi_data[1]},
 	{ applesmc_dmi_match, "Apple MacBook (v3)", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") },
-		(void*)&applesmc_dmi_data[6]},
+		&applesmc_dmi_data[6]},
 	{ applesmc_dmi_match, "Apple MacBook", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") },
-		(void*)&applesmc_dmi_data[2]},
+		&applesmc_dmi_data[2]},
 	{ applesmc_dmi_match, "Apple Macmini", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"Macmini") },
-		(void*)&applesmc_dmi_data[3]},
+		&applesmc_dmi_data[3]},
 	{ applesmc_dmi_match, "Apple MacPro2", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") },
-		(void*)&applesmc_dmi_data[4]},
+		&applesmc_dmi_data[4]},
 	{ applesmc_dmi_match, "Apple iMac", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"iMac") },
-		(void*)&applesmc_dmi_data[5]},
+		&applesmc_dmi_data[5]},
 	{ .ident = NULL }
 };
 
-- 
GitLab


From d7549905f157f217b888edb0f2055f5090eaf1d8 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:41 -0700
Subject: [PATCH 1420/2224] hwmon: applesmc: Add support for Macbook Pro 4

Adds temperature sensor support for the Macbook Pro 4.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 208520c6eb0..efca98a2e35 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -107,6 +107,9 @@ static const char* temperature_sensors_sets[][36] = {
 /* Set 7: Macbook Air */
 	{ "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TC0P", "TCFP",
 	  "TTF0", "TW0P", "Th0H", "Tp0P", "TpFP", "Ts0P", "Ts0S", NULL },
+/* Set 8: Macbook Pro 4,1 (Penryn) */
+	{ "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H",
+	  "Th1H", "Th2H", "Tm0P", "Ts0P", NULL },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -1264,6 +1267,8 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
 	{ .accelerometer = 1, .light = 0, .temperature_set = 6 },
 /* MacBook Air: accelerometer, backlight and temperature set 7 */
 	{ .accelerometer = 1, .light = 1, .temperature_set = 7 },
+/* MacBook Pro 4: accelerometer, backlight and temperature set 8 */
+	{ .accelerometer = 1, .light = 1, .temperature_set = 8 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
@@ -1273,6 +1278,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") },
 		&applesmc_dmi_data[7]},
+	{ applesmc_dmi_match, "Apple MacBook Pro 4", {
+	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") },
+		&applesmc_dmi_data[8]},
 	{ applesmc_dmi_match, "Apple MacBook Pro", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") },
-- 
GitLab


From 07e8dbd3ebbdedc71335049dd4b0d542cb038d7d Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:42 -0700
Subject: [PATCH 1421/2224] hwmon: applesmc: Add support for Macbook Pro 3

Add temperature sensor support for Macbook Pro 3.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: Riki Oktarianto <rkoktarianto@gmail.com>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index efca98a2e35..59266ce60cc 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -110,6 +110,9 @@ static const char* temperature_sensors_sets[][36] = {
 /* Set 8: Macbook Pro 4,1 (Penryn) */
 	{ "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H",
 	  "Th1H", "Th2H", "Tm0P", "Ts0P", NULL },
+/* Set 9: Macbook Pro 3,1 (Santa Rosa) */
+	{ "TALP", "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P",
+	  "Th0H", "Th1H", "Th2H", "Tm0P", "Ts0P", NULL },
 };
 
 /* List of keys used to read/write fan speeds */
@@ -1269,6 +1272,8 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = {
 	{ .accelerometer = 1, .light = 1, .temperature_set = 7 },
 /* MacBook Pro 4: accelerometer, backlight and temperature set 8 */
 	{ .accelerometer = 1, .light = 1, .temperature_set = 8 },
+/* MacBook Pro 3: accelerometer, backlight and temperature set 9 */
+	{ .accelerometer = 1, .light = 1, .temperature_set = 9 },
 };
 
 /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1".
@@ -1282,6 +1287,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = {
 	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") },
 		&applesmc_dmi_data[8]},
+	{ applesmc_dmi_match, "Apple MacBook Pro 3", {
+	  DMI_MATCH(DMI_BOARD_VENDOR, "Apple"),
+	  DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3") },
+		&applesmc_dmi_data[9]},
 	{ applesmc_dmi_match, "Apple MacBook Pro", {
 	  DMI_MATCH(DMI_BOARD_VENDOR,"Apple"),
 	  DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro") },
-- 
GitLab


From 8c9398d1e9766e3659e277acb2e8ca1c17684139 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Sat, 18 Oct 2008 20:27:43 -0700
Subject: [PATCH 1422/2224] hwmon: applesmc: lighter wait mechanism, drastic
 improvement

The read fail ratio is sensitive to the delay between the first byte
written and the first byte read; apparently the sensors cannot be rushed.
Increasing the minimum wait time, without changing the total wait time,
improves the fail ratio from a 8% chance that any of the sensors fails in
one read, down to 0.4%, on a Macbook Air.  On a Macbook Pro 3,1, the
effect is even more apparent.  By reducing the number of status polls, the
ratio is further improved to below 0.1%.  Finally, increasing the total
wait time brings the fail ratio down to virtually zero.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Tested-by: Bob McElrath <bob@mcelrath.org>
Cc: Nicolas Boichat <nicolas@boichat.ch>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/hwmon/applesmc.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 59266ce60cc..bc011da79e1 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -49,6 +49,9 @@
 
 #define APPLESMC_MAX_DATA_LENGTH 32
 
+#define APPLESMC_MIN_WAIT	0x0040
+#define APPLESMC_MAX_WAIT	0x8000
+
 #define APPLESMC_STATUS_MASK	0x0f
 #define APPLESMC_READ_CMD	0x10
 #define APPLESMC_WRITE_CMD	0x11
@@ -172,25 +175,25 @@ static unsigned int key_at_index;
 static struct workqueue_struct *applesmc_led_wq;
 
 /*
- * __wait_status - Wait up to 10ms for the status port to get a certain value
+ * __wait_status - Wait up to 32ms for the status port to get a certain value
  * (masked with 0x0f), returning zero if the value is obtained.  Callers must
  * hold applesmc_lock.
  */
 static int __wait_status(u8 val)
 {
-	unsigned int i;
+	int us;
 
 	val = val & APPLESMC_STATUS_MASK;
 
-	for (i = 0; i < 1000; i++) {
+	for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) {
+		udelay(us);
 		if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == val) {
 			if (debug)
 				printk(KERN_DEBUG
-						"Waited %d us for status %x\n",
-						i*10, val);
+					"Waited %d us for status %x\n",
+					2 * us - APPLESMC_MIN_WAIT, val);
 			return 0;
 		}
-		udelay(10);
 	}
 
 	printk(KERN_WARNING "applesmc: wait status failed: %x != %x\n",
@@ -206,13 +209,12 @@ static int __wait_status(u8 val)
  */
 static int send_command(u8 cmd)
 {
-	int i;
-	for (i = 0; i < 1000; i++) {
+	int us;
+	for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) {
 		outb(cmd, APPLESMC_CMD_PORT);
-		udelay(5);
+		udelay(us);
 		if ((inb(APPLESMC_CMD_PORT) & APPLESMC_STATUS_MASK) == 0x0c)
 			return 0;
-		udelay(5);
 	}
 	printk(KERN_WARNING "applesmc: command failed: %x -> %x\n",
 		cmd, inb(APPLESMC_CMD_PORT));
-- 
GitLab


From da1cfe1ae48b2af7394718ec07194806db5dfe61 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 18 Oct 2008 20:27:44 -0700
Subject: [PATCH 1423/2224] Char: sx, remove bogus iomap

readl/writel are not expected to accept iomap return value. Replace
bogus mapping by standard ioremap.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: <R.E.Wolff@BitWizard.nl>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/sx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/char/sx.c b/drivers/char/sx.c
index 5b8d7a1aa3e..ba4e86281fb 100644
--- a/drivers/char/sx.c
+++ b/drivers/char/sx.c
@@ -2504,7 +2504,7 @@ static void __devexit sx_remove_card(struct sx_board *board,
 		del_timer(&board->timer);
 		if (pdev) {
 #ifdef CONFIG_PCI
-			pci_iounmap(pdev, board->base2);
+			iounmap(board->base2);
 			pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2);
 #endif
 		} else {
@@ -2677,7 +2677,7 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev,
 	}
 	board->hw_base = pci_resource_start(pdev, reg);
 	board->base2 =
-	board->base = pci_iomap(pdev, reg, WINDOW_LEN(board));
+	board->base = ioremap_nocache(board->hw_base, WINDOW_LEN(board));
 	if (!board->base) {
 		dev_err(&pdev->dev, "ioremap failed\n");
 		goto err_reg;
@@ -2703,7 +2703,7 @@ static int __devinit sx_pci_probe(struct pci_dev *pdev,
 
 	return 0;
 err_unmap:
-	pci_iounmap(pdev, board->base2);
+	iounmap(board->base2);
 err_reg:
 	pci_release_region(pdev, reg);
 err_flag:
-- 
GitLab


From 9f561dfceaafaae73ecfc81b1156dde3056e1ec9 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:27:45 -0700
Subject: [PATCH 1424/2224] make probe_serial_gsc() static

This patch makes the needlessly global probe_serial_gsc() static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/serial/8250_gsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 0416ad3bc12..418b4fe9a0a 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -111,7 +111,7 @@ static struct parisc_driver serial_driver = {
 	.probe		= serial_init_chip,
 };
 
-int __init probe_serial_gsc(void)
+static int __init probe_serial_gsc(void)
 {
 	register_parisc_driver(&lasi_driver);
 	register_parisc_driver(&serial_driver);
-- 
GitLab


From 1f3ccaed13944b9cfa9af7f6c70bfb292e42a347 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Sat, 18 Oct 2008 20:27:46 -0700
Subject: [PATCH 1425/2224] Altix serial: fix

In function sn_sal_switch_to_asynch(): drivers/serial/sn_console.c:713:

HZ * SN_SAL_UART_FIFO_DEPTH / SN_SAL_UART_FIFO_SPEED_CPS;

After preprocessing (see defines in patch) this becomes HZ * 16 / 9600 / 10
(associativity from left to right), not equivalent to HZ * 16 / 960.

Looks-obviously-right-to: Tony Luck <tony.luck@intel.com>
Cc: Jes Sorensen <jes@sgi.com>
Acked-by: Pat Gefre <pfg@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/serial/sn_console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index b73e3c0056c..d5276c012f7 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -61,7 +61,7 @@
 #define SN_SAL_BUFFER_SIZE (64 * (1 << 10))
 
 #define SN_SAL_UART_FIFO_DEPTH 16
-#define SN_SAL_UART_FIFO_SPEED_CPS 9600/10
+#define SN_SAL_UART_FIFO_SPEED_CPS (9600/10)
 
 /* sn_transmit_chars() calling args */
 #define TRANSMIT_BUFFERED	0
-- 
GitLab


From c8fc40cd345bfd88d8a98e7916909b9143502999 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Sat, 18 Oct 2008 20:27:47 -0700
Subject: [PATCH 1426/2224] rtc-cmos: export second NVRAM bank

Teach rtc-cmos about the second bank of registers found on most modern x86
systems, giving access to 128 bytes more NVRAM.

This version only sees that extra NVRAM when both register banks are
provided as part of *one* PNP resource.  Since BIOS on some systems
presents them using two IO resources, and nothing merges them, this can't
always show all the NVRAM.  (We're supposed to be able to use PNP id
PNP0b01 too, but BIOS tables doesn't often seem to use that particular
option.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-cmos.c | 70 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 63 insertions(+), 7 deletions(-)

diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 963ad0b6a4e..f1695d7fa0f 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -143,6 +143,43 @@ static inline int hpet_unregister_irq_handler(irq_handler_t handler)
 
 /*----------------------------------------------------------------*/
 
+#ifdef RTC_PORT
+
+/* Most newer x86 systems have two register banks, the first used
+ * for RTC and NVRAM and the second only for NVRAM.  Caller must
+ * own rtc_lock ... and we won't worry about access during NMI.
+ */
+#define can_bank2	true
+
+static inline unsigned char cmos_read_bank2(unsigned char addr)
+{
+	outb(addr, RTC_PORT(2));
+	return inb(RTC_PORT(3));
+}
+
+static inline void cmos_write_bank2(unsigned char val, unsigned char addr)
+{
+	outb(addr, RTC_PORT(2));
+	outb(val, RTC_PORT(2));
+}
+
+#else
+
+#define can_bank2	false
+
+static inline unsigned char cmos_read_bank2(unsigned char addr)
+{
+	return 0;
+}
+
+static inline void cmos_write_bank2(unsigned char val, unsigned char addr)
+{
+}
+
+#endif
+
+/*----------------------------------------------------------------*/
+
 static int cmos_read_time(struct device *dev, struct rtc_time *t)
 {
 	/* REVISIT:  if the clock has a "century" register, use
@@ -491,12 +528,21 @@ cmos_nvram_read(struct kobject *kobj, struct bin_attribute *attr,
 
 	if (unlikely(off >= attr->size))
 		return 0;
+	if (unlikely(off < 0))
+		return -EINVAL;
 	if ((off + count) > attr->size)
 		count = attr->size - off;
 
+	off += NVRAM_OFFSET;
 	spin_lock_irq(&rtc_lock);
-	for (retval = 0, off += NVRAM_OFFSET; count--; retval++, off++)
-		*buf++ = CMOS_READ(off);
+	for (retval = 0; count; count--, off++, retval++) {
+		if (off < 128)
+			*buf++ = CMOS_READ(off);
+		else if (can_bank2)
+			*buf++ = cmos_read_bank2(off);
+		else
+			break;
+	}
 	spin_unlock_irq(&rtc_lock);
 
 	return retval;
@@ -512,6 +558,8 @@ cmos_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
 	cmos = dev_get_drvdata(container_of(kobj, struct device, kobj));
 	if (unlikely(off >= attr->size))
 		return -EFBIG;
+	if (unlikely(off < 0))
+		return -EINVAL;
 	if ((off + count) > attr->size)
 		count = attr->size - off;
 
@@ -520,15 +568,20 @@ cmos_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
 	 * here.  If userspace is smart enough to know what fields of
 	 * NVRAM to update, updating checksums is also part of its job.
 	 */
+	off += NVRAM_OFFSET;
 	spin_lock_irq(&rtc_lock);
-	for (retval = 0, off += NVRAM_OFFSET; count--; retval++, off++) {
+	for (retval = 0; count; count--, off++, retval++) {
 		/* don't trash RTC registers */
 		if (off == cmos->day_alrm
 				|| off == cmos->mon_alrm
 				|| off == cmos->century)
 			buf++;
-		else
+		else if (off < 128)
 			CMOS_WRITE(*buf++, off);
+		else if (can_bank2)
+			cmos_write_bank2(*buf++, off);
+		else
+			break;
 	}
 	spin_unlock_irq(&rtc_lock);
 
@@ -631,8 +684,8 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 
 	/* Heuristic to deduce NVRAM size ... do what the legacy NVRAM
 	 * driver did, but don't reject unknown configs.   Old hardware
-	 * won't address 128 bytes, and for now we ignore the way newer
-	 * chips can address 256 bytes (using two more i/o ports).
+	 * won't address 128 bytes.  Newer chips have multiple banks,
+	 * though they may not be listed in one I/O resource.
 	 */
 #if	defined(CONFIG_ATARI)
 	address_space = 64;
@@ -642,6 +695,8 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 #warning Assuming 128 bytes of RTC+NVRAM address space, not 64 bytes.
 	address_space = 128;
 #endif
+	if (can_bank2 && ports->end > (ports->start + 1))
+		address_space = 256;
 
 	/* For ACPI systems extension info comes from the FADT.  On others,
 	 * board specific setup provides it as appropriate.  Systems where
@@ -740,7 +795,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 		goto cleanup2;
 	}
 
-	pr_info("%s: alarms up to one %s%s%s\n",
+	pr_info("%s: alarms up to one %s%s, %zd bytes nvram, %s irqs\n",
 			cmos_rtc.rtc->dev.bus_id,
 			is_valid_irq(rtc_irq)
 				?  (cmos_rtc.mon_alrm
@@ -749,6 +804,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 						? "month" : "day"))
 				: "no",
 			cmos_rtc.century ? ", y3k" : "",
+			nvram.size,
 			is_hpet_enabled() ? ", hpet irqs" : "");
 
 	return 0;
-- 
GitLab


From e3274e915061a65717454106301d4a5ea8f71783 Mon Sep 17 00:00:00 2001
From: "Steven A. Falco" <sfalco@harris.com>
Date: Sat, 18 Oct 2008 20:27:48 -0700
Subject: [PATCH 1427/2224] gpio: modify sysfs gpio export so that "value"
 displays as 0 or 1

gpiolib can export GPIOs to userspace via sysfs.  This patch modifies the
gpio_value_show() so that any non-zero value is explicitly printed as "1",
rather than whatever numerical value the lower-level driver returns.

Signed-off-by: Steve Falco <sfalco@harris.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 9112830107a..70de72c443e 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -248,7 +248,7 @@ static ssize_t gpio_value_show(struct device *dev,
 	if (!test_bit(FLAG_EXPORT, &desc->flags))
 		status = -EIO;
 	else
-		status = sprintf(buf, "%d\n", gpio_get_value_cansleep(gpio));
+		status = sprintf(buf, "%d\n", !!gpio_get_value_cansleep(gpio));
 
 	mutex_unlock(&sysfs_lock);
 	return status;
-- 
GitLab


From 978ccaa8ea5d8c7bf6b676209f2fc126eae6355b Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Sat, 18 Oct 2008 20:27:49 -0700
Subject: [PATCH 1428/2224] gpiolib: fix oops in gpio_get_value_cansleep()

We can get the following oops from gpio_get_value_cansleep() when a GPIO
controller doesn't provide a get() callback:

 Unable to handle kernel paging request for instruction fetch
 Faulting instruction address: 0x00000000
 Oops: Kernel access of bad area, sig: 11 [#1]
 [...]
 NIP [00000000] 0x0
 LR [c0182fb0] gpio_get_value_cansleep+0x40/0x50
 Call Trace:
 [c7b79e80] [c0183f28] gpio_value_show+0x5c/0x94
 [c7b79ea0] [c01a584c] dev_attr_show+0x30/0x7c
 [c7b79eb0] [c00d6b48] fill_read_buffer+0x68/0xe0
 [c7b79ed0] [c00d6c54] sysfs_read_file+0x94/0xbc
 [c7b79ef0] [c008f24c] vfs_read+0xb4/0x16c
 [c7b79f10] [c008f580] sys_read+0x4c/0x90
 [c7b79f40] [c0013a14] ret_from_syscall+0x0/0x38

It's OK to request the value of *any* GPIO; most GPIOs are bidirectional,
so configuring them as outputs just enables an output driver and doesn't
disable the input logic.

So the problem is that gpio_get_value_cansleep() isn't making the same
sanity check that gpio_get_value() does: making sure this GPIO isn't one
of the atypical "no input logic" cases.

Reported-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: <stable@kernel.org>		[2.6.27.x, 2.6.26.x, 2.6.25.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 70de72c443e..22edc4273ef 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1105,7 +1105,7 @@ int gpio_get_value_cansleep(unsigned gpio)
 
 	might_sleep_if(extra_checks);
 	chip = gpio_to_chip(gpio);
-	return chip->get(chip, gpio - chip->base);
+	return chip->get ? chip->get(chip, gpio - chip->base) : 0;
 }
 EXPORT_SYMBOL_GPL(gpio_get_value_cansleep);
 
-- 
GitLab


From e53677113e32e6f118e31b8391a2eab7ee52c0a7 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Sat, 18 Oct 2008 20:27:51 -0700
Subject: [PATCH 1429/2224] fb: push down the BKL in the ioctl handler

Framebuffer is heavily BKL dependant at the moment so just wrap the ioctl
handler in the driver as we push down.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/fbmem.c | 141 ++++++++++++++++++++++++++----------------
 1 file changed, 86 insertions(+), 55 deletions(-)

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 217c5118ae9..2a0f013dc37 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1002,101 +1002,132 @@ fb_blank(struct fb_info *info, int blank)
  	return ret;
 }
 
-static int 
-fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+static long
+fb_ioctl(struct file *file, unsigned int cmd,
 	 unsigned long arg)
 {
+	struct inode *inode = file->f_path.dentry->d_inode;
 	int fbidx = iminor(inode);
-	struct fb_info *info = registered_fb[fbidx];
-	struct fb_ops *fb = info->fbops;
+	struct fb_info *info;
+	struct fb_ops *fb;
 	struct fb_var_screeninfo var;
 	struct fb_fix_screeninfo fix;
 	struct fb_con2fbmap con2fb;
 	struct fb_cmap_user cmap;
 	struct fb_event event;
 	void __user *argp = (void __user *)arg;
-	int i;
-	
-	if (!fb)
+	long ret = 0;
+
+	lock_kernel();
+	info = registered_fb[fbidx];
+	fb = info->fbops;
+
+	if (!fb) {
+		unlock_kernel();
 		return -ENODEV;
+	}
 	switch (cmd) {
 	case FBIOGET_VSCREENINFO:
-		return copy_to_user(argp, &info->var,
+		ret = copy_to_user(argp, &info->var,
 				    sizeof(var)) ? -EFAULT : 0;
+		break;
 	case FBIOPUT_VSCREENINFO:
-		if (copy_from_user(&var, argp, sizeof(var)))
-			return -EFAULT;
+		if (copy_from_user(&var, argp, sizeof(var))) {
+			ret =  -EFAULT;
+			break;
+		}
 		acquire_console_sem();
 		info->flags |= FBINFO_MISC_USEREVENT;
-		i = fb_set_var(info, &var);
+		ret = fb_set_var(info, &var);
 		info->flags &= ~FBINFO_MISC_USEREVENT;
 		release_console_sem();
-		if (i) return i;
-		if (copy_to_user(argp, &var, sizeof(var)))
-			return -EFAULT;
-		return 0;
+		if (ret == 0 && copy_to_user(argp, &var, sizeof(var)))
+			ret = -EFAULT;
+		break;
 	case FBIOGET_FSCREENINFO:
-		return copy_to_user(argp, &info->fix,
+		ret = copy_to_user(argp, &info->fix,
 				    sizeof(fix)) ? -EFAULT : 0;
+		break;
 	case FBIOPUTCMAP:
 		if (copy_from_user(&cmap, argp, sizeof(cmap)))
-			return -EFAULT;
-		return (fb_set_user_cmap(&cmap, info));
+			ret = -EFAULT;
+		else
+			ret = fb_set_user_cmap(&cmap, info);
+		break;
 	case FBIOGETCMAP:
 		if (copy_from_user(&cmap, argp, sizeof(cmap)))
-			return -EFAULT;
-		return fb_cmap_to_user(&info->cmap, &cmap);
+			ret = -EFAULT;
+		else
+			ret = fb_cmap_to_user(&info->cmap, &cmap);
+		break;
 	case FBIOPAN_DISPLAY:
-		if (copy_from_user(&var, argp, sizeof(var)))
-			return -EFAULT;
+		if (copy_from_user(&var, argp, sizeof(var))) {
+			ret = -EFAULT;
+			break;
+		}
 		acquire_console_sem();
-		i = fb_pan_display(info, &var);
+		ret = fb_pan_display(info, &var);
 		release_console_sem();
-		if (i)
-			return i;
-		if (copy_to_user(argp, &var, sizeof(var)))
-			return -EFAULT;
-		return 0;
+		if (ret == 0 && copy_to_user(argp, &var, sizeof(var)))
+			ret = -EFAULT;
+		break;
 	case FBIO_CURSOR:
-		return -EINVAL;
+		ret = -EINVAL;
+		break;
 	case FBIOGET_CON2FBMAP:
 		if (copy_from_user(&con2fb, argp, sizeof(con2fb)))
-			return -EFAULT;
-		if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
-		    return -EINVAL;
-		con2fb.framebuffer = -1;
-		event.info = info;
-		event.data = &con2fb;
-		fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event);
-		return copy_to_user(argp, &con2fb,
+			ret = -EFAULT;
+		else if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
+			ret = -EINVAL;
+		else {
+			con2fb.framebuffer = -1;
+			event.info = info;
+			event.data = &con2fb;
+			fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP,
+								&event);
+			ret = copy_to_user(argp, &con2fb,
 				    sizeof(con2fb)) ? -EFAULT : 0;
+		}
+		break;
 	case FBIOPUT_CON2FBMAP:
-		if (copy_from_user(&con2fb, argp, sizeof(con2fb)))
-			return - EFAULT;
-		if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
-		    return -EINVAL;
-		if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX)
-		    return -EINVAL;
-		if (!registered_fb[con2fb.framebuffer])
-		    request_module("fb%d", con2fb.framebuffer);
+		if (copy_from_user(&con2fb, argp, sizeof(con2fb))) {
+			ret = -EFAULT;
+			break;
+		}
+		if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) {
+			ret = -EINVAL;
+			break;
+		}
+		if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) {
+			ret = -EINVAL;
+			break;
+		}
 		if (!registered_fb[con2fb.framebuffer])
-		    return -EINVAL;
+			request_module("fb%d", con2fb.framebuffer);
+		if (!registered_fb[con2fb.framebuffer]) {
+			ret = -EINVAL;
+			break;
+		}
 		event.info = info;
 		event.data = &con2fb;
-		return fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
+		ret = fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP,
 					      &event);
+		break;
 	case FBIOBLANK:
 		acquire_console_sem();
 		info->flags |= FBINFO_MISC_USEREVENT;
-		i = fb_blank(info, arg);
+		ret = fb_blank(info, arg);
 		info->flags &= ~FBINFO_MISC_USEREVENT;
 		release_console_sem();
-		return i;
+		break;;
 	default:
 		if (fb->fb_ioctl == NULL)
-			return -EINVAL;
-		return fb->fb_ioctl(info, cmd, arg);
+			ret = -ENOTTY;
+		else
+			ret = fb->fb_ioctl(info, cmd, arg);
 	}
+	unlock_kernel();
+	return ret;
 }
 
 #ifdef CONFIG_COMPAT
@@ -1150,7 +1181,7 @@ static int fb_getput_cmap(struct inode *inode, struct file *file,
 	    put_user(compat_ptr(data), &cmap->transp))
 		return -EFAULT;
 
-	err = fb_ioctl(inode, file, cmd, (unsigned long) cmap);
+	err = fb_ioctl(file, cmd, (unsigned long) cmap);
 
 	if (!err) {
 		if (copy_in_user(&cmap32->start,
@@ -1204,7 +1235,7 @@ static int fb_get_fscreeninfo(struct inode *inode, struct file *file,
 
 	old_fs = get_fs();
 	set_fs(KERNEL_DS);
-	err = fb_ioctl(inode, file, cmd, (unsigned long) &fix);
+	err = fb_ioctl(file, cmd, (unsigned long) &fix);
 	set_fs(old_fs);
 
 	if (!err)
@@ -1231,7 +1262,7 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case FBIOPUT_CON2FBMAP:
 		arg = (unsigned long) compat_ptr(arg);
 	case FBIOBLANK:
-		ret = fb_ioctl(inode, file, cmd, arg);
+		ret = fb_ioctl(file, cmd, arg);
 		break;
 
 	case FBIOGET_FSCREENINFO:
@@ -1358,7 +1389,7 @@ static const struct file_operations fb_fops = {
 	.owner =	THIS_MODULE,
 	.read =		fb_read,
 	.write =	fb_write,
-	.ioctl =	fb_ioctl,
+	.unlocked_ioctl = fb_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = fb_compat_ioctl,
 #endif
-- 
GitLab


From 3e680aae4e53ab54cdbb0c29257dae0cbb158e1c Mon Sep 17 00:00:00 2001
From: Krzysztof Helt <krzysztof.h1@wp.pl>
Date: Sat, 18 Oct 2008 20:27:51 -0700
Subject: [PATCH 1430/2224] fb: convert lock/unlock_kernel() into local fb
 mutex

Change lock_kernel()/unlock_kernel() to local fb mutex.  Each frame buffer
instance has its own mutex.

The one line try_to_load() function is unrolled to request_module() in two
places for readability.

[righi.andrea@gmail.com: fb: fix NULL pointer BUG dereference in fb_open()]
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/fbmem.c | 39 ++++++++++++++++++++-------------------
 include/linux/fb.h    |  1 +
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 2a0f013dc37..cd5f20da738 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1018,12 +1018,12 @@ fb_ioctl(struct file *file, unsigned int cmd,
 	void __user *argp = (void __user *)arg;
 	long ret = 0;
 
-	lock_kernel();
 	info = registered_fb[fbidx];
+	mutex_lock(&info->lock);
 	fb = info->fbops;
 
 	if (!fb) {
-		unlock_kernel();
+		mutex_unlock(&info->lock);
 		return -ENODEV;
 	}
 	switch (cmd) {
@@ -1126,7 +1126,7 @@ fb_ioctl(struct file *file, unsigned int cmd,
 		else
 			ret = fb->fb_ioctl(info, cmd, arg);
 	}
-	unlock_kernel();
+	mutex_unlock(&info->lock);
 	return ret;
 }
 
@@ -1253,7 +1253,7 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	struct fb_ops *fb = info->fbops;
 	long ret = -ENOIOCTLCMD;
 
-	lock_kernel();
+	mutex_lock(&info->lock);
 	switch(cmd) {
 	case FBIOGET_VSCREENINFO:
 	case FBIOPUT_VSCREENINFO:
@@ -1279,7 +1279,7 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			ret = fb->fb_compat_ioctl(info, cmd, arg);
 		break;
 	}
-	unlock_kernel();
+	mutex_unlock(&info->lock);
 	return ret;
 }
 #endif
@@ -1301,13 +1301,13 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
 		return -ENODEV;
 	if (fb->fb_mmap) {
 		int res;
-		lock_kernel();
+		mutex_lock(&info->lock);
 		res = fb->fb_mmap(info, vma);
-		unlock_kernel();
+		mutex_unlock(&info->lock);
 		return res;
 	}
 
-	lock_kernel();
+	mutex_lock(&info->lock);
 
 	/* frame buffer memory */
 	start = info->fix.smem_start;
@@ -1316,13 +1316,13 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
 		/* memory mapped io */
 		off -= len;
 		if (info->var.accel_flags) {
-			unlock_kernel();
+			mutex_unlock(&info->lock);
 			return -EINVAL;
 		}
 		start = info->fix.mmio_start;
 		len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len);
 	}
-	unlock_kernel();
+	mutex_unlock(&info->lock);
 	start &= PAGE_MASK;
 	if ((vma->vm_end - vma->vm_start + off) > len)
 		return -EINVAL;
@@ -1346,13 +1346,13 @@ fb_open(struct inode *inode, struct file *file)
 
 	if (fbidx >= FB_MAX)
 		return -ENODEV;
-	lock_kernel();
-	if (!(info = registered_fb[fbidx]))
+	info = registered_fb[fbidx];
+	if (!info)
 		request_module("fb%d", fbidx);
-	if (!(info = registered_fb[fbidx])) {
-		res = -ENODEV;
-		goto out;
-	}
+	info = registered_fb[fbidx];
+	if (!info)
+		return -ENODEV;
+	mutex_lock(&info->lock);
 	if (!try_module_get(info->fbops->owner)) {
 		res = -ENODEV;
 		goto out;
@@ -1368,7 +1368,7 @@ fb_open(struct inode *inode, struct file *file)
 		fb_deferred_io_open(info, inode, file);
 #endif
 out:
-	unlock_kernel();
+	mutex_unlock(&info->lock);
 	return res;
 }
 
@@ -1377,11 +1377,11 @@ fb_release(struct inode *inode, struct file *file)
 {
 	struct fb_info * const info = file->private_data;
 
-	lock_kernel();
+	mutex_lock(&info->lock);
 	if (info->fbops->fb_release)
 		info->fbops->fb_release(info,1);
 	module_put(info->fbops->owner);
-	unlock_kernel();
+	mutex_unlock(&info->lock);
 	return 0;
 }
 
@@ -1460,6 +1460,7 @@ register_framebuffer(struct fb_info *fb_info)
 		if (!registered_fb[i])
 			break;
 	fb_info->node = i;
+	mutex_init(&fb_info->lock);
 
 	fb_info->dev = device_create(fb_class, fb_info->device,
 				     MKDEV(FB_MAJOR, i), NULL, "fb%d", i);
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 531ccd5f596..75a81eaf343 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -808,6 +808,7 @@ struct fb_tile_ops {
 struct fb_info {
 	int node;
 	int flags;
+	struct mutex lock;		/* Lock for open/release/ioctl funcs */
 	struct fb_var_screeninfo var;	/* Current var */
 	struct fb_fix_screeninfo fix;	/* Current fix */
 	struct fb_monspecs monspecs;	/* Current Monitor specs */
-- 
GitLab


From 60c11d2abf4ef811d0ce3ea34279746729c4c6fc Mon Sep 17 00:00:00 2001
From: Richard Holden <aciddeath@gmail.com>
Date: Sat, 18 Oct 2008 20:27:53 -0700
Subject: [PATCH 1431/2224] phonedev: remove BKL

The phone_device array is covered by the phone_lock mutex in all cases and
request_module no longer needs the BKL so we can remove the only remaining
instance of the BKL from phonedev.

Signed-off-by: Richard Holden <aciddeath@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/telephony/phonedev.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index 4d74ba36c3a..37caf4d6903 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -54,7 +54,6 @@ static int phone_open(struct inode *inode, struct file *file)
 	if (minor >= PHONE_NUM_DEVICES)
 		return -ENODEV;
 
-	lock_kernel();
 	mutex_lock(&phone_lock);
 	p = phone_device[minor];
 	if (p)
@@ -81,7 +80,6 @@ static int phone_open(struct inode *inode, struct file *file)
 	fops_put(old_fops);
 end:
 	mutex_unlock(&phone_lock);
-	unlock_kernel();
 	return err;
 }
 
-- 
GitLab


From d1645e526a1e5842c9ac433d73419ba886676cf3 Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Sat, 18 Oct 2008 20:27:53 -0700
Subject: [PATCH 1432/2224] jbd: abort when failed to log metadata buffers

If we failed to write metadata buffers to the journal space and succeeded
to write the commit record, stale data can be written back to the
filesystem as metadata in the recovery phase.

To avoid this, when we failed to write out metadata buffers, abort the
journal before writing the commit record.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/jbd/commit.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index ae08c057e75..f1ea861b992 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -762,6 +762,9 @@ wait_for_iobuf:
 		/* AKPM: bforget here */
 	}
 
+	if (err)
+		journal_abort(journal, err);
+
 	jbd_debug(3, "JBD: commit phase 6\n");
 
 	if (journal_write_commit_record(journal, commit_transaction))
-- 
GitLab


From 885e353c7427db7b60692789741b34e605b0b69b Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Sat, 18 Oct 2008 20:27:54 -0700
Subject: [PATCH 1433/2224] jbd: don't dirty original metadata buffer on abort

Currently, original metadata buffers are dirtied when they are unfiled
whether the journal has aborted or not.  Eventually these buffers will be
written-back to the filesystem by pdflush.  This means some metadata
buffers are written to the filesystem without journaling if the journal
aborts.  So if both journal abort and system crash happen at the same
time, the filesystem would become inconsistent state.  Additionally,
replaying journaled metadata can overwrite the latest metadata on the
filesystem partly.  Because, if the journal aborts, journaled metadata are
preserved and replayed during the next mount not to lose uncheckpointed
metadata.  This would also break the consistency of the filesystem.

This patch prevents original metadata buffers from being dirtied on abort
by clearing BH_JBDDirty flag from those buffers.  Thus, no metadata
buffers are written to the filesystem without journaling.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/jbd/commit.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index f1ea861b992..d6a6659f3e4 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -518,9 +518,10 @@ void journal_commit_transaction(journal_t *journal)
 		jh = commit_transaction->t_buffers;
 
 		/* If we're in abort mode, we just un-journal the buffer and
-		   release it for background writing. */
+		   release it. */
 
 		if (is_journal_aborted(journal)) {
+			clear_buffer_jbddirty(jh2bh(jh));
 			JBUFFER_TRACE(jh, "journal is aborting: refile");
 			journal_refile_buffer(journal, jh);
 			/* If that was the last one, we need to clean up
@@ -855,6 +856,8 @@ restart_loop:
 		if (buffer_jbddirty(bh)) {
 			JBUFFER_TRACE(jh, "add to new checkpointing trans");
 			__journal_insert_checkpoint(jh, commit_transaction);
+			if (is_journal_aborted(journal))
+				clear_buffer_jbddirty(bh);
 			JBUFFER_TRACE(jh, "refile for checkpoint writeback");
 			__journal_refile_buffer(jh);
 			jbd_unlock_bh_state(bh);
-- 
GitLab


From 972fbf779832e5ad15effa7712789aeff9224c37 Mon Sep 17 00:00:00 2001
From: Josef Bacik <jbacik@redhat.com>
Date: Sat, 18 Oct 2008 20:27:55 -0700
Subject: [PATCH 1434/2224] ext3: don't try to resize if there are no reserved
 gdt blocks left

When trying to resize a ext3 fs and you run out of reserved gdt blocks,
you get an error that doesn't actually tell you what went wrong, it just
says that the gdb it picked is not correct, which is the case since you
don't have any reserved gdt blocks left.  This patch adds a check to make
sure you have reserved gdt blocks to use, and if not prints out a more
relevant error.

Signed-off-by: Josef Bacik <jbacik@redhat.com>
Cc: <linux-ext4@vger.kernel.org>
Cc: Andreas Dilger <adilger@sun.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext3/resize.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
index 77278e947e9..78fdf383637 100644
--- a/fs/ext3/resize.c
+++ b/fs/ext3/resize.c
@@ -790,7 +790,8 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input)
 
 	if (reserved_gdb || gdb_off == 0) {
 		if (!EXT3_HAS_COMPAT_FEATURE(sb,
-					     EXT3_FEATURE_COMPAT_RESIZE_INODE)){
+					     EXT3_FEATURE_COMPAT_RESIZE_INODE)
+		    || !le16_to_cpu(es->s_reserved_gdt_blocks)) {
 			ext3_warning(sb, __func__,
 				     "No reserved GDT blocks, can't resize");
 			return -EPERM;
-- 
GitLab


From 46d01a225e694f1a4343beea44f1e85105aedd7e Mon Sep 17 00:00:00 2001
From: Mingming Cao <cmm@us.ibm.com>
Date: Sat, 18 Oct 2008 20:27:56 -0700
Subject: [PATCH 1435/2224] ext3: fix ext3 block reservation early ENOSPC issue

We could run into ENOSPC error on ext3, even when there is free blocks on
the filesystem.

The problem is triggered in the case the goal block group has 0 free
blocks , and the rest block groups are skipped due to the check of
"free_blocks < windowsz/2".  Current code could fall back to non
reservation allocation to prevent early ENOSPC after examing all the block
groups with reservation on , but this code was bypassed if the reservation
window is turned off already, which is true in this case.

This patch fixed two issues:
1) We don't need to turn off block reservation if the goal block group has
0 free blocks left and continue search for the rest of block groups.

Current code the intention is to turn off the block reservation if the
goal allocation group has a few (some) free blocks left (not enough for
make the desired reservation window),to try to allocation in the goal
block group, to get better locality.  But if the goal blocks have 0 free
blocks, it should leave the block reservation on, and continues search for
the next block groups,rather than turn off block reservation completely.

2) we don't need to check the window size if the block reservation is off.

The problem was originally found and fixed in ext4.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext3/balloc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 92fd0338a6e..f5b57a2ca35 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1547,6 +1547,7 @@ retry_alloc:
 	 * turn off reservation for this allocation
 	 */
 	if (my_rsv && (free_blocks < windowsz)
+		&& (free_blocks > 0)
 		&& (rsv_is_empty(&my_rsv->rsv_window)))
 		my_rsv = NULL;
 
@@ -1585,7 +1586,7 @@ retry_alloc:
 		 * free blocks is less than half of the reservation
 		 * window size.
 		 */
-		if (free_blocks <= (windowsz/2))
+		if (my_rsv && (free_blocks <= (windowsz/2)))
 			continue;
 
 		brelse(bitmap_bh);
-- 
GitLab


From 0e4fb5e283870757024294bc4567a7c59d936f0b Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Sat, 18 Oct 2008 20:27:57 -0700
Subject: [PATCH 1436/2224] ext3: add an option to control error handling on
 file data

If the journal doesn't abort when it gets an IO error in file data blocks,
the file data corruption will spread silently.  Because most of
applications and commands do buffered writes without fsync(), they don't
notice the IO error.  It's scary for mission critical systems.  On the
other hand, if the journal aborts whenever it gets an IO error in file
data blocks, the system will easily become inoperable.  So this patch
introduces a filesystem option to determine whether it aborts the journal
or just call printk() when it gets an IO error in file data.

If you mount a ext3 fs with data_err=abort option, it aborts on file data
write error.  If you mount it with data_err=ignore, it doesn't abort, just
call printk().  data_err=ignore is the default.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Cc: Jan Kara <jack@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/filesystems/ext3.txt |  5 +++++
 fs/ext3/super.c                    | 16 ++++++++++++++++
 fs/jbd/commit.c                    |  2 ++
 include/linux/ext3_fs.h            |  2 ++
 include/linux/jbd.h                |  3 +++
 5 files changed, 28 insertions(+)

diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt
index 295f26cd895..9dd2a3bb2ac 100644
--- a/Documentation/filesystems/ext3.txt
+++ b/Documentation/filesystems/ext3.txt
@@ -96,6 +96,11 @@ errors=remount-ro(*)	Remount the filesystem read-only on an error.
 errors=continue		Keep going on a filesystem error.
 errors=panic		Panic and halt the machine if an error occurs.
 
+data_err=ignore(*)	Just print an error message if an error occurs
+			in a file data buffer in ordered mode.
+data_err=abort		Abort the journal if an error occurs in a file
+			data buffer in ordered mode.
+
 grpid			Give objects the same group ID as their creator.
 bsdgroups
 
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 399a96a6c55..3a260af5544 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -625,6 +625,9 @@ static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	else if (test_opt(sb, DATA_FLAGS) == EXT3_MOUNT_WRITEBACK_DATA)
 		seq_puts(seq, ",data=writeback");
 
+	if (test_opt(sb, DATA_ERR_ABORT))
+		seq_puts(seq, ",data_err=abort");
+
 	ext3_show_quota_options(seq, sb);
 
 	return 0;
@@ -754,6 +757,7 @@ enum {
 	Opt_reservation, Opt_noreservation, Opt_noload, Opt_nobh, Opt_bh,
 	Opt_commit, Opt_journal_update, Opt_journal_inum, Opt_journal_dev,
 	Opt_abort, Opt_data_journal, Opt_data_ordered, Opt_data_writeback,
+	Opt_data_err_abort, Opt_data_err_ignore,
 	Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
 	Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
 	Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
@@ -796,6 +800,8 @@ static const match_table_t tokens = {
 	{Opt_data_journal, "data=journal"},
 	{Opt_data_ordered, "data=ordered"},
 	{Opt_data_writeback, "data=writeback"},
+	{Opt_data_err_abort, "data_err=abort"},
+	{Opt_data_err_ignore, "data_err=ignore"},
 	{Opt_offusrjquota, "usrjquota="},
 	{Opt_usrjquota, "usrjquota=%s"},
 	{Opt_offgrpjquota, "grpjquota="},
@@ -1011,6 +1017,12 @@ static int parse_options (char *options, struct super_block *sb,
 				sbi->s_mount_opt |= data_opt;
 			}
 			break;
+		case Opt_data_err_abort:
+			set_opt(sbi->s_mount_opt, DATA_ERR_ABORT);
+			break;
+		case Opt_data_err_ignore:
+			clear_opt(sbi->s_mount_opt, DATA_ERR_ABORT);
+			break;
 #ifdef CONFIG_QUOTA
 		case Opt_usrjquota:
 			qtype = USRQUOTA;
@@ -1986,6 +1998,10 @@ static void ext3_init_journal_params(struct super_block *sb, journal_t *journal)
 		journal->j_flags |= JFS_BARRIER;
 	else
 		journal->j_flags &= ~JFS_BARRIER;
+	if (test_opt(sb, DATA_ERR_ABORT))
+		journal->j_flags |= JFS_ABORT_ON_SYNCDATA_ERR;
+	else
+		journal->j_flags &= ~JFS_ABORT_ON_SYNCDATA_ERR;
 	spin_unlock(&journal->j_state_lock);
 }
 
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index d6a6659f3e4..25719d902c5 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -482,6 +482,8 @@ void journal_commit_transaction(journal_t *journal)
 		printk(KERN_WARNING
 			"JBD: Detected IO errors while flushing file data "
 			"on %s\n", bdevname(journal->j_fs_dev, b));
+		if (journal->j_flags & JFS_ABORT_ON_SYNCDATA_ERR)
+			journal_abort(journal, err);
 		err = 0;
 	}
 
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 159d9b476cd..d14f0291848 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -380,6 +380,8 @@ struct ext3_inode {
 #define EXT3_MOUNT_QUOTA		0x80000 /* Some quota option set */
 #define EXT3_MOUNT_USRQUOTA		0x100000 /* "old" user quota */
 #define EXT3_MOUNT_GRPQUOTA		0x200000 /* "old" group quota */
+#define EXT3_MOUNT_DATA_ERR_ABORT	0x400000 /* Abort on file data write
+						  * error in ordered mode */
 
 /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
 #ifndef _LINUX_EXT2_FS_H
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 7ebbcb1c9ba..35d4f6342fa 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -816,6 +816,9 @@ struct journal_s
 #define JFS_FLUSHED	0x008	/* The journal superblock has been flushed */
 #define JFS_LOADED	0x010	/* The journal superblock has been loaded */
 #define JFS_BARRIER	0x020	/* Use IDE barriers */
+#define JFS_ABORT_ON_SYNCDATA_ERR	0x040  /* Abort the journal on file
+						* data write error in ordered
+						* mode */
 
 /*
  * Function declarations for the journaling transaction and buffer
-- 
GitLab


From 960a22ae60c8a723bd17da3b929fe0bcea6d007e Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Sat, 18 Oct 2008 20:27:58 -0700
Subject: [PATCH 1437/2224] jbd: ordered data integrity fix

In ordered mode, if a file data buffer being dirtied exists in the
committing transaction, we write the buffer to the disk, move it from the
committing transaction to the running transaction, then dirty it.  But we
don't have to remove the buffer from the committing transaction when the
buffer couldn't be written out, otherwise it would miss the error and the
committing transaction would not abort.

This patch adds an error check before removing the buffer from the
committing transaction.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/jbd/transaction.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 0540ca27a44..d15cd6e7251 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -954,9 +954,10 @@ int journal_dirty_data(handle_t *handle, struct buffer_head *bh)
 	journal_t *journal = handle->h_transaction->t_journal;
 	int need_brelse = 0;
 	struct journal_head *jh;
+	int ret = 0;
 
 	if (is_handle_aborted(handle))
-		return 0;
+		return ret;
 
 	jh = journal_add_journal_head(bh);
 	JBUFFER_TRACE(jh, "entry");
@@ -1067,7 +1068,16 @@ int journal_dirty_data(handle_t *handle, struct buffer_head *bh)
 				   time if it is redirtied */
 			}
 
-			/* journal_clean_data_list() may have got there first */
+			/*
+			 * We cannot remove the buffer with io error from the
+			 * committing transaction, because otherwise it would
+			 * miss the error and the commit would not abort.
+			 */
+			if (unlikely(!buffer_uptodate(bh))) {
+				ret = -EIO;
+				goto no_journal;
+			}
+
 			if (jh->b_transaction != NULL) {
 				JBUFFER_TRACE(jh, "unfile from commit");
 				__journal_temp_unlink_buffer(jh);
@@ -1108,7 +1118,7 @@ no_journal:
 	}
 	JBUFFER_TRACE(jh, "exit");
 	journal_put_journal_head(jh);
-	return 0;
+	return ret;
 }
 
 /**
-- 
GitLab


From 6a897cf447a83c9c3fd1b85a1e525c02d6eada7d Mon Sep 17 00:00:00 2001
From: Eugene Dashevsky <eugene@ibrix.com>
Date: Sat, 18 Oct 2008 20:27:59 -0700
Subject: [PATCH 1438/2224] ext3: fix ext3_dx_readdir hash collision handling

This fixes a bug where readdir() would return a directory entry twice
if there was a hash collision in an hash tree indexed directory.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Eugene Dashevsky <eugene@ibrix.com>
Signed-off-by: Mike Snitzer <msnitzer@ibrix.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext3/dir.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 2eea96ec78e..28b681ef47e 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -410,7 +410,7 @@ static int call_filldir(struct file * filp, void * dirent,
 				get_dtype(sb, fname->file_type));
 		if (error) {
 			filp->f_pos = curr_pos;
-			info->extra_fname = fname->next;
+			info->extra_fname = fname;
 			return error;
 		}
 		fname = fname->next;
@@ -449,11 +449,21 @@ static int ext3_dx_readdir(struct file * filp,
 	 * If there are any leftover names on the hash collision
 	 * chain, return them first.
 	 */
-	if (info->extra_fname &&
-	    call_filldir(filp, dirent, filldir, info->extra_fname))
-		goto finished;
+	if (info->extra_fname) {
+		if (call_filldir(filp, dirent, filldir, info->extra_fname))
+			goto finished;
 
-	if (!info->curr_node)
+		info->extra_fname = NULL;
+		info->curr_node = rb_next(info->curr_node);
+		if (!info->curr_node) {
+			if (info->next_hash == ~0) {
+				filp->f_pos = EXT3_HTREE_EOF;
+				goto finished;
+			}
+			info->curr_hash = info->next_hash;
+			info->curr_minor_hash = 0;
+		}
+	} else if (!info->curr_node)
 		info->curr_node = rb_first(&info->root);
 
 	while (1) {
-- 
GitLab


From 5ec8b75e3a2a94860ee99b5456fe1a963c8680e5 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Date: Sat, 18 Oct 2008 20:28:00 -0700
Subject: [PATCH 1439/2224] ext3: truncate block allocated on a failed
 ext3_write_begin

For blocksize < pagesize we need to remove blocks that got allocated in
block_write_begin() if we fail with ENOSPC for later blocks.
block_write_begin() internally does this if it allocated page locally.
This makes sure we don't have blocks outside inode.i_size during ENOSPC.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext3/inode.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index ebfec4d0148..f8424ad8997 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1186,6 +1186,13 @@ write_begin_failed:
 		ext3_journal_stop(handle);
 		unlock_page(page);
 		page_cache_release(page);
+		/*
+		 * block_write_begin may have instantiated a few blocks
+		 * outside i_size.  Trim these off again. Don't need
+		 * i_size_read because we hold i_mutex.
+		 */
+		if (pos + len > inode->i_size)
+			vmtruncate(inode, inode->i_size);
 	}
 	if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries))
 		goto retry;
-- 
GitLab


From cdbf6dba28e8e6268c8420857696309470009fd9 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Sat, 18 Oct 2008 20:28:00 -0700
Subject: [PATCH 1440/2224] ext3: avoid printk floods in the face of directory
 corruption

A very large directory with many read failures (either due to storage
problems, or due to invalid size & blocks from corruption) will generate a
printk storm as the filesystem continues to try to read all the blocks.
This flood of messages can tie up the box until it is complete - which may
be a very long time, especially for very large corrupted values.

This is fixed by only reporting the corruption once each time we try to
read the directory.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: Eugene Teo <eugeneteo@kernel.sg>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext3/dir.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 28b681ef47e..4c82531ea0a 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -102,6 +102,7 @@ static int ext3_readdir(struct file * filp,
 	int err;
 	struct inode *inode = filp->f_path.dentry->d_inode;
 	int ret = 0;
+	int dir_has_error = 0;
 
 	sb = inode->i_sb;
 
@@ -148,9 +149,12 @@ static int ext3_readdir(struct file * filp,
 		 * of recovering data when there's a bad sector
 		 */
 		if (!bh) {
-			ext3_error (sb, "ext3_readdir",
-				"directory #%lu contains a hole at offset %lu",
-				inode->i_ino, (unsigned long)filp->f_pos);
+			if (!dir_has_error) {
+				ext3_error(sb, __func__, "directory #%lu "
+					"contains a hole at offset %lld",
+					inode->i_ino, filp->f_pos);
+				dir_has_error = 1;
+			}
 			/* corrupt size?  Maybe no more blocks to read */
 			if (filp->f_pos > inode->i_blocks << 9)
 				break;
-- 
GitLab


From 6e7152944426be786c6c232990914e4565290d35 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Sat, 18 Oct 2008 20:28:01 -0700
Subject: [PATCH 1441/2224] hfsplus: missing O_LARGEFILE check

hfsplus: O_LARGEFILE checking is missing

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=8490

From: Alan Cox <alan@redhat.com>
Reported-by: didier <did447@gmail.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/hfsplus/inode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index b085d64a2b6..963be644297 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -254,6 +254,8 @@ static int hfsplus_file_open(struct inode *inode, struct file *file)
 {
 	if (HFSPLUS_IS_RSRC(inode))
 		inode = HFSPLUS_I(inode).rsrc_inode;
+	if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
+		return -EOVERFLOW;
 	atomic_inc(&HFSPLUS_I(inode).opencnt);
 	return 0;
 }
-- 
GitLab


From 248736c2a57206388c86f8cdd3392ee986e84f9f Mon Sep 17 00:00:00 2001
From: Eric Sesterhenn <snakebyte@gmx.de>
Date: Sat, 18 Oct 2008 20:28:02 -0700
Subject: [PATCH 1442/2224] hfsplus: fix possible deadlock when handling
 corrupted extents

A corrupted extent for the extent file itself may try to get an impossible
extent, causing a deadlock if I see it correctly.

Check the inode number after the first_blocks checks and fail if it's the
extent file, as according to the spec the extent file should have no
extent for itself.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/hfsplus/extents.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index fec8f61227f..0022eec63cd 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -199,6 +199,9 @@ int hfsplus_get_block(struct inode *inode, sector_t iblock,
 		goto done;
 	}
 
+	if (inode->i_ino == HFSPLUS_EXT_CNID)
+		return -EIO;
+
 	mutex_lock(&HFSPLUS_I(inode).extents_lock);
 	res = hfsplus_ext_read_extent(inode, ablock);
 	if (!res) {
-- 
GitLab


From 146aa1bd0511f88ddb4e92fafa2b8aad4f2f65f3 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:03 -0700
Subject: [PATCH 1443/2224] cgroups: fix probable race with
 put_css_set[_taskexit] and find_css_set

put_css_set_taskexit may be called when find_css_set is called on other
cpu.  And the race will occur:

put_css_set_taskexit side                    find_css_set side

                                        |
atomic_dec_and_test(&kref->refcount)    |
    /* kref->refcount = 0 */            |
....................................................................
                                        |  read_lock(&css_set_lock)
                                        |  find_existing_css_set
                                        |  get_css_set
                                        |  read_unlock(&css_set_lock);
....................................................................
__release_css_set                       |
....................................................................
                                        | /* use a released css_set */
                                        |

[put_css_set is the same. But in the current code, all put_css_set are
put into cgroup mutex critical region as the same as find_css_set.]

[akpm@linux-foundation.org: repair comments]
[menage@google.com: eliminate race in css_set refcounting]
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/cgroup.h |  3 +--
 kernel/cgroup.c        | 43 ++++++++++++++++++++----------------------
 kernel/cgroup_debug.c  |  4 ++--
 3 files changed, 23 insertions(+), 27 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 30934e4bfaa..7166023e07d 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -9,7 +9,6 @@
  */
 
 #include <linux/sched.h>
-#include <linux/kref.h>
 #include <linux/cpumask.h>
 #include <linux/nodemask.h>
 #include <linux/rcupdate.h>
@@ -149,7 +148,7 @@ struct cgroup {
 struct css_set {
 
 	/* Reference count */
-	struct kref ref;
+	atomic_t refcount;
 
 	/*
 	 * List running through all cgroup groups in the same hash
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 8c6e1c17e6d..1e49218457e 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -241,7 +241,6 @@ static void unlink_css_set(struct css_set *cg)
 	struct cg_cgroup_link *link;
 	struct cg_cgroup_link *saved_link;
 
-	write_lock(&css_set_lock);
 	hlist_del(&cg->hlist);
 	css_set_count--;
 
@@ -251,16 +250,25 @@ static void unlink_css_set(struct css_set *cg)
 		list_del(&link->cgrp_link_list);
 		kfree(link);
 	}
-
-	write_unlock(&css_set_lock);
 }
 
-static void __release_css_set(struct kref *k, int taskexit)
+static void __put_css_set(struct css_set *cg, int taskexit)
 {
 	int i;
-	struct css_set *cg = container_of(k, struct css_set, ref);
-
+	/*
+	 * Ensure that the refcount doesn't hit zero while any readers
+	 * can see it. Similar to atomic_dec_and_lock(), but for an
+	 * rwlock
+	 */
+	if (atomic_add_unless(&cg->refcount, -1, 1))
+		return;
+	write_lock(&css_set_lock);
+	if (!atomic_dec_and_test(&cg->refcount)) {
+		write_unlock(&css_set_lock);
+		return;
+	}
 	unlink_css_set(cg);
+	write_unlock(&css_set_lock);
 
 	rcu_read_lock();
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
@@ -276,32 +284,22 @@ static void __release_css_set(struct kref *k, int taskexit)
 	kfree(cg);
 }
 
-static void release_css_set(struct kref *k)
-{
-	__release_css_set(k, 0);
-}
-
-static void release_css_set_taskexit(struct kref *k)
-{
-	__release_css_set(k, 1);
-}
-
 /*
  * refcounted get/put for css_set objects
  */
 static inline void get_css_set(struct css_set *cg)
 {
-	kref_get(&cg->ref);
+	atomic_inc(&cg->refcount);
 }
 
 static inline void put_css_set(struct css_set *cg)
 {
-	kref_put(&cg->ref, release_css_set);
+	__put_css_set(cg, 0);
 }
 
 static inline void put_css_set_taskexit(struct css_set *cg)
 {
-	kref_put(&cg->ref, release_css_set_taskexit);
+	__put_css_set(cg, 1);
 }
 
 /*
@@ -427,7 +425,7 @@ static struct css_set *find_css_set(
 		return NULL;
 	}
 
-	kref_init(&res->ref);
+	atomic_set(&res->refcount, 1);
 	INIT_LIST_HEAD(&res->cg_links);
 	INIT_LIST_HEAD(&res->tasks);
 	INIT_HLIST_NODE(&res->hlist);
@@ -1728,7 +1726,7 @@ int cgroup_task_count(const struct cgroup *cgrp)
 
 	read_lock(&css_set_lock);
 	list_for_each_entry(link, &cgrp->css_sets, cgrp_link_list) {
-		count += atomic_read(&link->cg->ref.refcount);
+		count += atomic_read(&link->cg->refcount);
 	}
 	read_unlock(&css_set_lock);
 	return count;
@@ -2495,8 +2493,7 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss)
 int __init cgroup_init_early(void)
 {
 	int i;
-	kref_init(&init_css_set.ref);
-	kref_get(&init_css_set.ref);
+	atomic_set(&init_css_set.refcount, 1);
 	INIT_LIST_HEAD(&init_css_set.cg_links);
 	INIT_LIST_HEAD(&init_css_set.tasks);
 	INIT_HLIST_NODE(&init_css_set.hlist);
diff --git a/kernel/cgroup_debug.c b/kernel/cgroup_debug.c
index c3dc3aba4c0..daca6209202 100644
--- a/kernel/cgroup_debug.c
+++ b/kernel/cgroup_debug.c
@@ -57,7 +57,7 @@ static u64 current_css_set_refcount_read(struct cgroup *cont,
 	u64 count;
 
 	rcu_read_lock();
-	count = atomic_read(&current->cgroups->ref.refcount);
+	count = atomic_read(&current->cgroups->refcount);
 	rcu_read_unlock();
 	return count;
 }
@@ -90,7 +90,7 @@ static struct cftype files[] =  {
 	{
 		.name = "releasable",
 		.read_u64 = releasable_read,
-	}
+	},
 };
 
 static int debug_populate(struct cgroup_subsys *ss, struct cgroup *cont)
-- 
GitLab


From cc31edceee04a7b87f2be48f9489ebb72d264844 Mon Sep 17 00:00:00 2001
From: Paul Menage <menage@google.com>
Date: Sat, 18 Oct 2008 20:28:04 -0700
Subject: [PATCH 1444/2224] cgroups: convert tasks file to use a seq_file with
 shared pid array

Rather than pre-generating the entire text for the "tasks" file each
time the file is opened, we instead just generate/update the array of
process ids and use a seq_file to report these to userspace.  All open
file handles on the same "tasks" file can share a pid array, which may
be updated any time that no thread is actively reading the array.  By
sharing the array, the potential for userspace to DoS the system by
opening many handles on the same "tasks" file is removed.

[Based on a patch by Lai Jiangshan, extended to use seq_file]

Signed-off-by: Paul Menage <menage@google.com>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/cgroup.h |  10 ++
 kernel/cgroup.c        | 222 ++++++++++++++++++++++++++---------------
 2 files changed, 149 insertions(+), 83 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 7166023e07d..8ab91880a0a 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -14,6 +14,7 @@
 #include <linux/rcupdate.h>
 #include <linux/cgroupstats.h>
 #include <linux/prio_heap.h>
+#include <linux/rwsem.h>
 
 #ifdef CONFIG_CGROUPS
 
@@ -136,6 +137,15 @@ struct cgroup {
 	 * release_list_lock
 	 */
 	struct list_head release_list;
+
+	/* pids_mutex protects the fields below */
+	struct rw_semaphore pids_mutex;
+	/* Array of process ids in the cgroup */
+	pid_t *tasks_pids;
+	/* How many files are using the current tasks_pids array */
+	int pids_use_count;
+	/* Length of the current tasks_pids array */
+	int pids_length;
 };
 
 /* A css_set is a structure holding pointers to a set of
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 1e49218457e..046c1609606 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -868,6 +868,14 @@ static struct super_operations cgroup_ops = {
 	.remount_fs = cgroup_remount,
 };
 
+static void init_cgroup_housekeeping(struct cgroup *cgrp)
+{
+	INIT_LIST_HEAD(&cgrp->sibling);
+	INIT_LIST_HEAD(&cgrp->children);
+	INIT_LIST_HEAD(&cgrp->css_sets);
+	INIT_LIST_HEAD(&cgrp->release_list);
+	init_rwsem(&cgrp->pids_mutex);
+}
 static void init_cgroup_root(struct cgroupfs_root *root)
 {
 	struct cgroup *cgrp = &root->top_cgroup;
@@ -876,10 +884,7 @@ static void init_cgroup_root(struct cgroupfs_root *root)
 	root->number_of_cgroups = 1;
 	cgrp->root = root;
 	cgrp->top_cgroup = cgrp;
-	INIT_LIST_HEAD(&cgrp->sibling);
-	INIT_LIST_HEAD(&cgrp->children);
-	INIT_LIST_HEAD(&cgrp->css_sets);
-	INIT_LIST_HEAD(&cgrp->release_list);
+	init_cgroup_housekeeping(cgrp);
 }
 
 static int cgroup_test_super(struct super_block *sb, void *data)
@@ -1995,16 +2000,7 @@ int cgroup_scan_tasks(struct cgroup_scanner *scan)
  * but we cannot guarantee that the information we produce is correct
  * unless we produce it entirely atomically.
  *
- * Upon tasks file open(), a struct ctr_struct is allocated, that
- * will have a pointer to an array (also allocated here).  The struct
- * ctr_struct * is stored in file->private_data.  Its resources will
- * be freed by release() when the file is closed.  The array is used
- * to sprintf the PIDs and then used by read().
  */
-struct ctr_struct {
-	char *buf;
-	int bufsz;
-};
 
 /*
  * Load into 'pidarray' up to 'npids' of the tasks using cgroup
@@ -2086,42 +2082,132 @@ static int cmppid(const void *a, const void *b)
 	return *(pid_t *)a - *(pid_t *)b;
 }
 
+
 /*
- * Convert array 'a' of 'npids' pid_t's to a string of newline separated
- * decimal pids in 'buf'.  Don't write more than 'sz' chars, but return
- * count 'cnt' of how many chars would be written if buf were large enough.
+ * seq_file methods for the "tasks" file. The seq_file position is the
+ * next pid to display; the seq_file iterator is a pointer to the pid
+ * in the cgroup->tasks_pids array.
  */
-static int pid_array_to_buf(char *buf, int sz, pid_t *a, int npids)
+
+static void *cgroup_tasks_start(struct seq_file *s, loff_t *pos)
 {
-	int cnt = 0;
-	int i;
+	/*
+	 * Initially we receive a position value that corresponds to
+	 * one more than the last pid shown (or 0 on the first call or
+	 * after a seek to the start). Use a binary-search to find the
+	 * next pid to display, if any
+	 */
+	struct cgroup *cgrp = s->private;
+	int index = 0, pid = *pos;
+	int *iter;
 
-	for (i = 0; i < npids; i++)
-		cnt += snprintf(buf + cnt, max(sz - cnt, 0), "%d\n", a[i]);
-	return cnt;
+	down_read(&cgrp->pids_mutex);
+	if (pid) {
+		int end = cgrp->pids_length;
+		int i;
+		while (index < end) {
+			int mid = (index + end) / 2;
+			if (cgrp->tasks_pids[mid] == pid) {
+				index = mid;
+				break;
+			} else if (cgrp->tasks_pids[mid] <= pid)
+				index = mid + 1;
+			else
+				end = mid;
+		}
+	}
+	/* If we're off the end of the array, we're done */
+	if (index >= cgrp->pids_length)
+		return NULL;
+	/* Update the abstract position to be the actual pid that we found */
+	iter = cgrp->tasks_pids + index;
+	*pos = *iter;
+	return iter;
+}
+
+static void cgroup_tasks_stop(struct seq_file *s, void *v)
+{
+	struct cgroup *cgrp = s->private;
+	up_read(&cgrp->pids_mutex);
 }
 
+static void *cgroup_tasks_next(struct seq_file *s, void *v, loff_t *pos)
+{
+	struct cgroup *cgrp = s->private;
+	int *p = v;
+	int *end = cgrp->tasks_pids + cgrp->pids_length;
+
+	/*
+	 * Advance to the next pid in the array. If this goes off the
+	 * end, we're done
+	 */
+	p++;
+	if (p >= end) {
+		return NULL;
+	} else {
+		*pos = *p;
+		return p;
+	}
+}
+
+static int cgroup_tasks_show(struct seq_file *s, void *v)
+{
+	return seq_printf(s, "%d\n", *(int *)v);
+}
+
+static struct seq_operations cgroup_tasks_seq_operations = {
+	.start = cgroup_tasks_start,
+	.stop = cgroup_tasks_stop,
+	.next = cgroup_tasks_next,
+	.show = cgroup_tasks_show,
+};
+
+static void release_cgroup_pid_array(struct cgroup *cgrp)
+{
+	down_write(&cgrp->pids_mutex);
+	BUG_ON(!cgrp->pids_use_count);
+	if (!--cgrp->pids_use_count) {
+		kfree(cgrp->tasks_pids);
+		cgrp->tasks_pids = NULL;
+		cgrp->pids_length = 0;
+	}
+	up_write(&cgrp->pids_mutex);
+}
+
+static int cgroup_tasks_release(struct inode *inode, struct file *file)
+{
+	struct cgroup *cgrp = __d_cgrp(file->f_dentry->d_parent);
+
+	if (!(file->f_mode & FMODE_READ))
+		return 0;
+
+	release_cgroup_pid_array(cgrp);
+	return seq_release(inode, file);
+}
+
+static struct file_operations cgroup_tasks_operations = {
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.write = cgroup_file_write,
+	.release = cgroup_tasks_release,
+};
+
 /*
- * Handle an open on 'tasks' file.  Prepare a buffer listing the
+ * Handle an open on 'tasks' file.  Prepare an array containing the
  * process id's of tasks currently attached to the cgroup being opened.
- *
- * Does not require any specific cgroup mutexes, and does not take any.
  */
+
 static int cgroup_tasks_open(struct inode *unused, struct file *file)
 {
 	struct cgroup *cgrp = __d_cgrp(file->f_dentry->d_parent);
-	struct ctr_struct *ctr;
 	pid_t *pidarray;
 	int npids;
-	char c;
+	int retval;
 
+	/* Nothing to do for write-only files */
 	if (!(file->f_mode & FMODE_READ))
 		return 0;
 
-	ctr = kmalloc(sizeof(*ctr), GFP_KERNEL);
-	if (!ctr)
-		goto err0;
-
 	/*
 	 * If cgroup gets more users after we read count, we won't have
 	 * enough space - tough.  This race is indistinguishable to the
@@ -2129,57 +2215,31 @@ static int cgroup_tasks_open(struct inode *unused, struct file *file)
 	 * show up until sometime later on.
 	 */
 	npids = cgroup_task_count(cgrp);
-	if (npids) {
-		pidarray = kmalloc(npids * sizeof(pid_t), GFP_KERNEL);
-		if (!pidarray)
-			goto err1;
-
-		npids = pid_array_load(pidarray, npids, cgrp);
-		sort(pidarray, npids, sizeof(pid_t), cmppid, NULL);
-
-		/* Call pid_array_to_buf() twice, first just to get bufsz */
-		ctr->bufsz = pid_array_to_buf(&c, sizeof(c), pidarray, npids) + 1;
-		ctr->buf = kmalloc(ctr->bufsz, GFP_KERNEL);
-		if (!ctr->buf)
-			goto err2;
-		ctr->bufsz = pid_array_to_buf(ctr->buf, ctr->bufsz, pidarray, npids);
-
-		kfree(pidarray);
-	} else {
-		ctr->buf = NULL;
-		ctr->bufsz = 0;
-	}
-	file->private_data = ctr;
-	return 0;
-
-err2:
-	kfree(pidarray);
-err1:
-	kfree(ctr);
-err0:
-	return -ENOMEM;
-}
-
-static ssize_t cgroup_tasks_read(struct cgroup *cgrp,
-				    struct cftype *cft,
-				    struct file *file, char __user *buf,
-				    size_t nbytes, loff_t *ppos)
-{
-	struct ctr_struct *ctr = file->private_data;
+	pidarray = kmalloc(npids * sizeof(pid_t), GFP_KERNEL);
+	if (!pidarray)
+		return -ENOMEM;
+	npids = pid_array_load(pidarray, npids, cgrp);
+	sort(pidarray, npids, sizeof(pid_t), cmppid, NULL);
 
-	return simple_read_from_buffer(buf, nbytes, ppos, ctr->buf, ctr->bufsz);
-}
+	/*
+	 * Store the array in the cgroup, freeing the old
+	 * array if necessary
+	 */
+	down_write(&cgrp->pids_mutex);
+	kfree(cgrp->tasks_pids);
+	cgrp->tasks_pids = pidarray;
+	cgrp->pids_length = npids;
+	cgrp->pids_use_count++;
+	up_write(&cgrp->pids_mutex);
 
-static int cgroup_tasks_release(struct inode *unused_inode,
-					struct file *file)
-{
-	struct ctr_struct *ctr;
+	file->f_op = &cgroup_tasks_operations;
 
-	if (file->f_mode & FMODE_READ) {
-		ctr = file->private_data;
-		kfree(ctr->buf);
-		kfree(ctr);
+	retval = seq_open(file, &cgroup_tasks_seq_operations);
+	if (retval) {
+		release_cgroup_pid_array(cgrp);
+		return retval;
 	}
+	((struct seq_file *)file->private_data)->private = cgrp;
 	return 0;
 }
 
@@ -2208,7 +2268,6 @@ static struct cftype files[] = {
 	{
 		.name = "tasks",
 		.open = cgroup_tasks_open,
-		.read = cgroup_tasks_read,
 		.write_u64 = cgroup_tasks_write,
 		.release = cgroup_tasks_release,
 		.private = FILE_TASKLIST,
@@ -2298,10 +2357,7 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry,
 
 	mutex_lock(&cgroup_mutex);
 
-	INIT_LIST_HEAD(&cgrp->sibling);
-	INIT_LIST_HEAD(&cgrp->children);
-	INIT_LIST_HEAD(&cgrp->css_sets);
-	INIT_LIST_HEAD(&cgrp->release_list);
+	init_cgroup_housekeeping(cgrp);
 
 	cgrp->parent = parent;
 	cgrp->root = parent->root;
-- 
GitLab


From 886465f407e57d6c3c81013c919ea670ce1ae0d0 Mon Sep 17 00:00:00 2001
From: Paul Menage <menage@google.com>
Date: Sat, 18 Oct 2008 20:28:05 -0700
Subject: [PATCH 1445/2224] cgroups: fix declaration of
 cgroup_mm_owner_callbacks

The choice of real/dummy declaration for cgroup_mm_owner_callbacks()
shouldn't be based on CONFIG_MM_OWNER, but on CONFIG_CGROUPS.  Otherwise
kernel/exit.c fails to compile when something other than a cgroups
controller selects CONFIG_MM_OWNER

Signed-off-by: Paul Menage <menage@google.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/cgroup.h | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 8ab91880a0a..8b00f6643e9 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -403,6 +403,9 @@ void cgroup_iter_end(struct cgroup *cgrp, struct cgroup_iter *it);
 int cgroup_scan_tasks(struct cgroup_scanner *scan);
 int cgroup_attach_task(struct cgroup *, struct task_struct *);
 
+void cgroup_mm_owner_callbacks(struct task_struct *old,
+			       struct task_struct *new);
+
 #else /* !CONFIG_CGROUPS */
 
 static inline int cgroup_init_early(void) { return 0; }
@@ -421,15 +424,9 @@ static inline int cgroupstats_build(struct cgroupstats *stats,
 	return -EINVAL;
 }
 
+static inline void cgroup_mm_owner_callbacks(struct task_struct *old,
+					     struct task_struct *new) {}
+
 #endif /* !CONFIG_CGROUPS */
 
-#ifdef CONFIG_MM_OWNER
-extern void
-cgroup_mm_owner_callbacks(struct task_struct *old, struct task_struct *new);
-#else /* !CONFIG_MM_OWNER */
-static inline void
-cgroup_mm_owner_callbacks(struct task_struct *old, struct task_struct *new)
-{
-}
-#endif /* CONFIG_MM_OWNER */
 #endif /* _LINUX_CGROUP_H */
-- 
GitLab


From 2cdc7241a290bb2b9ef4c2e2969a4a3ed92abb63 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:06 -0700
Subject: [PATCH 1446/2224] devcgroup: use kmemdup()

This saves 40 bytes on my x86_32 box.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 security/device_cgroup.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 46f23971f7e..9c625f65ee5 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -84,13 +84,9 @@ static int dev_whitelist_copy(struct list_head *dest, struct list_head *orig)
 	struct dev_whitelist_item *wh, *tmp, *new;
 
 	list_for_each_entry(wh, orig, list) {
-		new = kmalloc(sizeof(*wh), GFP_KERNEL);
+		new = kmemdup(wh, sizeof(*wh), GFP_KERNEL);
 		if (!new)
 			goto free_and_exit;
-		new->major = wh->major;
-		new->minor = wh->minor;
-		new->type = wh->type;
-		new->access = wh->access;
 		list_add_tail(&new->list, dest);
 	}
 
@@ -114,11 +110,10 @@ static int dev_whitelist_add(struct dev_cgroup *dev_cgroup,
 {
 	struct dev_whitelist_item *whcopy, *walk;
 
-	whcopy = kmalloc(sizeof(*whcopy), GFP_KERNEL);
+	whcopy = kmemdup(wh, sizeof(*wh), GFP_KERNEL);
 	if (!whcopy)
 		return -ENOMEM;
 
-	memcpy(whcopy, wh, sizeof(*whcopy));
 	spin_lock(&dev_cgroup->lock);
 	list_for_each_entry(walk, &dev_cgroup->whitelist, list) {
 		if (walk->type != wh->type)
-- 
GitLab


From c012a54ae0b2ee2c73499f54596e0f5257288fec Mon Sep 17 00:00:00 2001
From: Li Zefan <lizf@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:07 -0700
Subject: [PATCH 1447/2224] devcgroup: remove unused variable

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 security/device_cgroup.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 9c625f65ee5..d5c15a7c67c 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -355,7 +355,7 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
 	struct dev_cgroup *cur_devcgroup;
 	const char *b;
 	char *endp;
-	int retval = 0, count;
+	int count;
 	struct dev_whitelist_item wh;
 
 	if (!capable(CAP_SYS_ADMIN))
@@ -432,7 +432,6 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
 	}
 
 handle:
-	retval = 0;
 	switch (filetype) {
 	case DEVCG_ALLOW:
 		if (!parent_has_perm(devcgroup, &wh))
-- 
GitLab


From 47c59803becb55b72b26cdab3838d621a15badc8 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:07 -0700
Subject: [PATCH 1448/2224] devcgroup: remove spin_lock()

Since we introduced rcu for read side, spin_lock is used only for update.
But we always hold cgroup_lock() when update, so spin_lock() is not need.

Additional cleanup:
1) include linux/rcupdate.h explicitly
2) remove unused variable cur_devcgroup in devcgroup_update_access()

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 security/device_cgroup.c | 34 +++++-----------------------------
 1 file changed, 5 insertions(+), 29 deletions(-)

diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index d5c15a7c67c..5ba78701adc 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -1,5 +1,5 @@
 /*
- * dev_cgroup.c - device cgroup subsystem
+ * device_cgroup.c - device cgroup subsystem
  *
  * Copyright 2007 IBM Corp
  */
@@ -10,6 +10,7 @@
 #include <linux/list.h>
 #include <linux/uaccess.h>
 #include <linux/seq_file.h>
+#include <linux/rcupdate.h>
 
 #define ACC_MKNOD 1
 #define ACC_READ  2
@@ -22,18 +23,8 @@
 
 /*
  * whitelist locking rules:
- * cgroup_lock() cannot be taken under dev_cgroup->lock.
- * dev_cgroup->lock can be taken with or without cgroup_lock().
- *
- * modifications always require cgroup_lock
- * modifications to a list which is visible require the
- *   dev_cgroup->lock *and* cgroup_lock()
- * walking the list requires dev_cgroup->lock or cgroup_lock().
- *
- * reasoning: dev_whitelist_copy() needs to kmalloc, so needs
- *   a mutex, which the cgroup_lock() is.  Since modifying
- *   a visible list requires both locks, either lock can be
- *   taken for walking the list.
+ * hold cgroup_lock() for update/read.
+ * hold rcu_read_lock() for read.
  */
 
 struct dev_whitelist_item {
@@ -47,7 +38,6 @@ struct dev_whitelist_item {
 struct dev_cgroup {
 	struct cgroup_subsys_state css;
 	struct list_head whitelist;
-	spinlock_t lock;
 };
 
 static inline struct dev_cgroup *css_to_devcgroup(struct cgroup_subsys_state *s)
@@ -103,7 +93,6 @@ free_and_exit:
 /* Stupid prototype - don't bother combining existing entries */
 /*
  * called under cgroup_lock()
- * since the list is visible to other tasks, we need the spinlock also
  */
 static int dev_whitelist_add(struct dev_cgroup *dev_cgroup,
 			struct dev_whitelist_item *wh)
@@ -114,7 +103,6 @@ static int dev_whitelist_add(struct dev_cgroup *dev_cgroup,
 	if (!whcopy)
 		return -ENOMEM;
 
-	spin_lock(&dev_cgroup->lock);
 	list_for_each_entry(walk, &dev_cgroup->whitelist, list) {
 		if (walk->type != wh->type)
 			continue;
@@ -130,7 +118,6 @@ static int dev_whitelist_add(struct dev_cgroup *dev_cgroup,
 
 	if (whcopy != NULL)
 		list_add_tail_rcu(&whcopy->list, &dev_cgroup->whitelist);
-	spin_unlock(&dev_cgroup->lock);
 	return 0;
 }
 
@@ -144,14 +131,12 @@ static void whitelist_item_free(struct rcu_head *rcu)
 
 /*
  * called under cgroup_lock()
- * since the list is visible to other tasks, we need the spinlock also
  */
 static void dev_whitelist_rm(struct dev_cgroup *dev_cgroup,
 			struct dev_whitelist_item *wh)
 {
 	struct dev_whitelist_item *walk, *tmp;
 
-	spin_lock(&dev_cgroup->lock);
 	list_for_each_entry_safe(walk, tmp, &dev_cgroup->whitelist, list) {
 		if (walk->type == DEV_ALL)
 			goto remove;
@@ -169,7 +154,6 @@ remove:
 			call_rcu(&walk->rcu, whitelist_item_free);
 		}
 	}
-	spin_unlock(&dev_cgroup->lock);
 }
 
 /*
@@ -209,7 +193,6 @@ static struct cgroup_subsys_state *devcgroup_create(struct cgroup_subsys *ss,
 		}
 	}
 
-	spin_lock_init(&dev_cgroup->lock);
 	return &dev_cgroup->css;
 }
 
@@ -325,15 +308,11 @@ static int parent_has_perm(struct dev_cgroup *childcg,
 {
 	struct cgroup *pcg = childcg->css.cgroup->parent;
 	struct dev_cgroup *parent;
-	int ret;
 
 	if (!pcg)
 		return 1;
 	parent = cgroup_to_devcgroup(pcg);
-	spin_lock(&parent->lock);
-	ret = may_access_whitelist(parent, wh);
-	spin_unlock(&parent->lock);
-	return ret;
+	return may_access_whitelist(parent, wh);
 }
 
 /*
@@ -352,7 +331,6 @@ static int parent_has_perm(struct dev_cgroup *childcg,
 static int devcgroup_update_access(struct dev_cgroup *devcgroup,
 				   int filetype, const char *buffer)
 {
-	struct dev_cgroup *cur_devcgroup;
 	const char *b;
 	char *endp;
 	int count;
@@ -361,8 +339,6 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup,
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	cur_devcgroup = task_devcgroup(current);
-
 	memset(&wh, 0, sizeof(wh));
 	b = buffer;
 
-- 
GitLab


From 073e587ec2cc377867e53d8b8959738a8e16cff6 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:08 -0700
Subject: [PATCH 1449/2224] memcg: move charge swapin under lock

While page-cache's charge/uncharge is done under page_lock(), swap-cache
isn't.  (anonymous page is charged when it's newly allocated.)

This patch moves do_swap_page()'s charge() call under lock.  I don't see
any bad problem *now* but this fix will be good for future for avoiding
unnecessary racy state.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memory.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index ba86b436b85..54cf20ee0a8 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2326,16 +2326,17 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		count_vm_event(PGMAJFAULT);
 	}
 
+	mark_page_accessed(page);
+
+	lock_page(page);
+	delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
+
 	if (mem_cgroup_charge(page, mm, GFP_KERNEL)) {
-		delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
 		ret = VM_FAULT_OOM;
+		unlock_page(page);
 		goto out;
 	}
 
-	mark_page_accessed(page);
-	lock_page(page);
-	delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
-
 	/*
 	 * Back out if somebody else already faulted in this pte.
 	 */
-- 
GitLab


From b7abea9630bc8ffc663a751e46680db25c4cdf8d Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:09 -0700
Subject: [PATCH 1450/2224] memcg: make page->mapping NULL before uncharge

This patch tries to make page->mapping to be NULL before
mem_cgroup_uncharge_cache_page() is called.

"page->mapping == NULL" is a good check for "whether the page is still
radix-tree or not".  This patch also adds BUG_ON() to
mem_cgroup_uncharge_cache_page();

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/filemap.c    | 2 +-
 mm/memcontrol.c | 1 +
 mm/migrate.c    | 9 +++++++--
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index e1b23fda48d..ab8553658af 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -116,12 +116,12 @@ void __remove_from_page_cache(struct page *page)
 {
 	struct address_space *mapping = page->mapping;
 
-	mem_cgroup_uncharge_cache_page(page);
 	radix_tree_delete(&mapping->page_tree, page->index);
 	page->mapping = NULL;
 	mapping->nrpages--;
 	__dec_zone_page_state(page, NR_FILE_PAGES);
 	BUG_ON(page_mapped(page));
+	mem_cgroup_uncharge_cache_page(page);
 
 	/*
 	 * Some filesystems seem to re-dirty the page even after
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index e93a4db93fb..6f8b5b3b38b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -734,6 +734,7 @@ void mem_cgroup_uncharge_page(struct page *page)
 void mem_cgroup_uncharge_cache_page(struct page *page)
 {
 	VM_BUG_ON(page_mapped(page));
+	VM_BUG_ON(page->mapping);
 	__mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_CACHE);
 }
 
diff --git a/mm/migrate.c b/mm/migrate.c
index 11c6c56ec01..6602941bfab 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -330,8 +330,6 @@ static int migrate_page_move_mapping(struct address_space *mapping,
 	__inc_zone_page_state(newpage, NR_FILE_PAGES);
 
 	spin_unlock_irq(&mapping->tree_lock);
-	if (!PageSwapCache(newpage))
-		mem_cgroup_uncharge_cache_page(page);
 
 	return 0;
 }
@@ -341,6 +339,8 @@ static int migrate_page_move_mapping(struct address_space *mapping,
  */
 static void migrate_page_copy(struct page *newpage, struct page *page)
 {
+	int anon;
+
 	copy_highpage(newpage, page);
 
 	if (PageError(page))
@@ -378,8 +378,13 @@ static void migrate_page_copy(struct page *newpage, struct page *page)
 #endif
 	ClearPagePrivate(page);
 	set_page_private(page, 0);
+	/* page->mapping contains a flag for PageAnon() */
+	anon = PageAnon(page);
 	page->mapping = NULL;
 
+	if (!anon) /* This page was removed from radix-tree. */
+		mem_cgroup_uncharge_cache_page(page);
+
 	/*
 	 * If any waiters have accumulated on the new page then
 	 * wake them up.
-- 
GitLab


From 5b4e655e948d8b6e9b0d001616d4c9d7e7ffe924 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:10 -0700
Subject: [PATCH 1451/2224] memcg: avoid accounting special pages

There are not-on-LRU pages which can be mapped and they are not worth to
be accounted.  (becasue we can't shrink them and need dirty codes to
handle specical case) We'd like to make use of usual objrmap/radix-tree's
protcol and don't want to account out-of-vm's control pages.

When special_mapping_fault() is called, page->mapping is tend to be NULL
and it's charged as Anonymous page.  insert_page() also handles some
special pages from drivers.

This patch is for avoiding to account special pages.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/controllers/memory.txt | 24 ++++++++++++++++--------
 mm/memory.c                          | 25 +++++++++++--------------
 mm/rmap.c                            |  4 ++--
 3 files changed, 29 insertions(+), 24 deletions(-)

diff --git a/Documentation/controllers/memory.txt b/Documentation/controllers/memory.txt
index 9b53d582736..1c07547d3f8 100644
--- a/Documentation/controllers/memory.txt
+++ b/Documentation/controllers/memory.txt
@@ -112,14 +112,22 @@ the per cgroup LRU.
 
 2.2.1 Accounting details
 
-All mapped pages (RSS) and unmapped user pages (Page Cache) are accounted.
-RSS pages are accounted at the time of page_add_*_rmap() unless they've already
-been accounted for earlier. A file page will be accounted for as Page Cache;
-it's mapped into the page tables of a process, duplicate accounting is carefully
-avoided. Page Cache pages are accounted at the time of add_to_page_cache().
-The corresponding routines that remove a page from the page tables or removes
-a page from Page Cache is used to decrement the accounting counters of the
-cgroup.
+All mapped anon pages (RSS) and cache pages (Page Cache) are accounted.
+(some pages which never be reclaimable and will not be on global LRU
+ are not accounted. we just accounts pages under usual vm management.)
+
+RSS pages are accounted at page_fault unless they've already been accounted
+for earlier. A file page will be accounted for as Page Cache when it's
+inserted into inode (radix-tree). While it's mapped into the page tables of
+processes, duplicate accounting is carefully avoided.
+
+A RSS page is unaccounted when it's fully unmapped. A PageCache page is
+unaccounted when it's removed from radix-tree.
+
+At page migration, accounting information is kept.
+
+Note: we just account pages-on-lru because our purpose is to control amount
+of used pages. not-on-lru pages are tend to be out-of-control from vm view.
 
 2.3 Shared Page Accounting
 
diff --git a/mm/memory.c b/mm/memory.c
index 54cf20ee0a8..3a6c4a65832 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1323,18 +1323,14 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr,
 	pte_t *pte;
 	spinlock_t *ptl;
 
-	retval = mem_cgroup_charge(page, mm, GFP_KERNEL);
-	if (retval)
-		goto out;
-
 	retval = -EINVAL;
 	if (PageAnon(page))
-		goto out_uncharge;
+		goto out;
 	retval = -ENOMEM;
 	flush_dcache_page(page);
 	pte = get_locked_pte(mm, addr, &ptl);
 	if (!pte)
-		goto out_uncharge;
+		goto out;
 	retval = -EBUSY;
 	if (!pte_none(*pte))
 		goto out_unlock;
@@ -1350,8 +1346,6 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr,
 	return retval;
 out_unlock:
 	pte_unmap_unlock(pte, ptl);
-out_uncharge:
-	mem_cgroup_uncharge_page(page);
 out:
 	return retval;
 }
@@ -2463,6 +2457,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 	struct page *page;
 	pte_t entry;
 	int anon = 0;
+	int charged = 0;
 	struct page *dirty_page = NULL;
 	struct vm_fault vmf;
 	int ret;
@@ -2503,6 +2498,12 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 				ret = VM_FAULT_OOM;
 				goto out;
 			}
+			if (mem_cgroup_charge(page, mm, GFP_KERNEL)) {
+				ret = VM_FAULT_OOM;
+				page_cache_release(page);
+				goto out;
+			}
+			charged = 1;
 			/*
 			 * Don't let another task, with possibly unlocked vma,
 			 * keep the mlocked page.
@@ -2543,11 +2544,6 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 
 	}
 
-	if (mem_cgroup_charge(page, mm, GFP_KERNEL)) {
-		ret = VM_FAULT_OOM;
-		goto out;
-	}
-
 	page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
 
 	/*
@@ -2585,7 +2581,8 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 		/* no need to invalidate: a not-present page won't be cached */
 		update_mmu_cache(vma, address, entry);
 	} else {
-		mem_cgroup_uncharge_page(page);
+		if (charged)
+			mem_cgroup_uncharge_page(page);
 		if (anon)
 			page_cache_release(page);
 		else
diff --git a/mm/rmap.c b/mm/rmap.c
index 7e90bebbeb6..8701d5fce73 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -727,8 +727,8 @@ void page_remove_rmap(struct page *page, struct vm_area_struct *vma)
 			page_clear_dirty(page);
 			set_page_dirty(page);
 		}
-
-		mem_cgroup_uncharge_page(page);
+		if (PageAnon(page))
+			mem_cgroup_uncharge_page(page);
 		__dec_zone_page_state(page,
 			PageAnon(page) ? NR_ANON_PAGES : NR_FILE_MAPPED);
 		/*
-- 
GitLab


From addb9efebb2ee2202d324e75b593b39868528f68 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:10 -0700
Subject: [PATCH 1452/2224] memcg: optimize per-cpu statistics

Some obvious optimization to memcg.

I found mem_cgroup_charge_statistics() is a little big (in object) and
does unnecessary address calclation.  This patch is for optimization to
reduce the size of this function.

And res_counter_charge() is 'likely' to succeed.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6f8b5b3b38b..10846b9656a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -66,11 +66,10 @@ struct mem_cgroup_stat {
 /*
  * For accounting under irq disable, no need for increment preempt count.
  */
-static void __mem_cgroup_stat_add_safe(struct mem_cgroup_stat *stat,
+static inline void __mem_cgroup_stat_add_safe(struct mem_cgroup_stat_cpu *stat,
 		enum mem_cgroup_stat_index idx, int val)
 {
-	int cpu = smp_processor_id();
-	stat->cpustat[cpu].count[idx] += val;
+	stat->count[idx] += val;
 }
 
 static s64 mem_cgroup_read_stat(struct mem_cgroup_stat *stat,
@@ -190,18 +189,21 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *mem, int flags,
 {
 	int val = (charge)? 1 : -1;
 	struct mem_cgroup_stat *stat = &mem->stat;
+	struct mem_cgroup_stat_cpu *cpustat;
 
 	VM_BUG_ON(!irqs_disabled());
+
+	cpustat = &stat->cpustat[smp_processor_id()];
 	if (flags & PAGE_CGROUP_FLAG_CACHE)
-		__mem_cgroup_stat_add_safe(stat, MEM_CGROUP_STAT_CACHE, val);
+		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_CACHE, val);
 	else
-		__mem_cgroup_stat_add_safe(stat, MEM_CGROUP_STAT_RSS, val);
+		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_RSS, val);
 
 	if (charge)
-		__mem_cgroup_stat_add_safe(stat,
+		__mem_cgroup_stat_add_safe(cpustat,
 				MEM_CGROUP_STAT_PGPGIN_COUNT, 1);
 	else
-		__mem_cgroup_stat_add_safe(stat,
+		__mem_cgroup_stat_add_safe(cpustat,
 				MEM_CGROUP_STAT_PGPGOUT_COUNT, 1);
 }
 
@@ -558,7 +560,7 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
 		css_get(&memcg->css);
 	}
 
-	while (res_counter_charge(&mem->res, PAGE_SIZE)) {
+	while (unlikely(res_counter_charge(&mem->res, PAGE_SIZE))) {
 		if (!(gfp_mask & __GFP_WAIT))
 			goto out;
 
-- 
GitLab


From c05555b572921c464d064d9267f7f7bc06d424fa Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:11 -0700
Subject: [PATCH 1453/2224] memcg: atomic ops for page_cgroup->flags

This patch makes page_cgroup->flags to be atomic_ops and define functions
(and macros) to access it.

Before trying to modify memory resource controller, this atomic operation
on flags is necessary.  Most of flags in this patch is for LRU and modfied
under mz->lru_lock but we'll add another flags which is not for LRU soon.
For example, we'll place LOCK bit on flags field.  We need atomic
operation to modify LRU bit without LOCK.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 122 ++++++++++++++++++++++++++++++++----------------
 1 file changed, 82 insertions(+), 40 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 10846b9656a..031682e7ef0 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -157,12 +157,46 @@ struct page_cgroup {
 	struct list_head lru;		/* per cgroup LRU list */
 	struct page *page;
 	struct mem_cgroup *mem_cgroup;
-	int flags;
+	unsigned long flags;
+};
+
+enum {
+	/* flags for mem_cgroup */
+	PCG_CACHE, /* charged as cache */
+	/* flags for LRU placement */
+	PCG_ACTIVE, /* page is active in this cgroup */
+	PCG_FILE, /* page is file system backed */
+	PCG_UNEVICTABLE, /* page is unevictableable */
 };
-#define PAGE_CGROUP_FLAG_CACHE	   (0x1)	/* charged as cache */
-#define PAGE_CGROUP_FLAG_ACTIVE    (0x2)	/* page is active in this cgroup */
-#define PAGE_CGROUP_FLAG_FILE	   (0x4)	/* page is file system backed */
-#define PAGE_CGROUP_FLAG_UNEVICTABLE (0x8)	/* page is unevictableable */
+
+#define TESTPCGFLAG(uname, lname)			\
+static inline int PageCgroup##uname(struct page_cgroup *pc)	\
+	{ return test_bit(PCG_##lname, &pc->flags); }
+
+#define SETPCGFLAG(uname, lname)			\
+static inline void SetPageCgroup##uname(struct page_cgroup *pc)\
+	{ set_bit(PCG_##lname, &pc->flags);  }
+
+#define CLEARPCGFLAG(uname, lname)			\
+static inline void ClearPageCgroup##uname(struct page_cgroup *pc)	\
+	{ clear_bit(PCG_##lname, &pc->flags);  }
+
+
+/* Cache flag is set only once (at allocation) */
+TESTPCGFLAG(Cache, CACHE)
+
+/* LRU management flags (from global-lru definition) */
+TESTPCGFLAG(File, FILE)
+SETPCGFLAG(File, FILE)
+CLEARPCGFLAG(File, FILE)
+
+TESTPCGFLAG(Active, ACTIVE)
+SETPCGFLAG(Active, ACTIVE)
+CLEARPCGFLAG(Active, ACTIVE)
+
+TESTPCGFLAG(Unevictable, UNEVICTABLE)
+SETPCGFLAG(Unevictable, UNEVICTABLE)
+CLEARPCGFLAG(Unevictable, UNEVICTABLE)
 
 static int page_cgroup_nid(struct page_cgroup *pc)
 {
@@ -177,15 +211,25 @@ static enum zone_type page_cgroup_zid(struct page_cgroup *pc)
 enum charge_type {
 	MEM_CGROUP_CHARGE_TYPE_CACHE = 0,
 	MEM_CGROUP_CHARGE_TYPE_MAPPED,
-	MEM_CGROUP_CHARGE_TYPE_FORCE,	/* used by force_empty */
 	MEM_CGROUP_CHARGE_TYPE_SHMEM,	/* used by page migration of shmem */
+	MEM_CGROUP_CHARGE_TYPE_FORCE,	/* used by force_empty */
+	NR_CHARGE_TYPE,
+};
+
+static const unsigned long
+pcg_default_flags[NR_CHARGE_TYPE] = {
+	((1 << PCG_CACHE) | (1 << PCG_FILE)),
+	((1 << PCG_ACTIVE)),
+	((1 << PCG_ACTIVE) | (1 << PCG_CACHE)),
+	0,
 };
 
 /*
  * Always modified under lru lock. Then, not necessary to preempt_disable()
  */
-static void mem_cgroup_charge_statistics(struct mem_cgroup *mem, int flags,
-					bool charge)
+static void mem_cgroup_charge_statistics(struct mem_cgroup *mem,
+					 struct page_cgroup *pc,
+					 bool charge)
 {
 	int val = (charge)? 1 : -1;
 	struct mem_cgroup_stat *stat = &mem->stat;
@@ -194,7 +238,7 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *mem, int flags,
 	VM_BUG_ON(!irqs_disabled());
 
 	cpustat = &stat->cpustat[smp_processor_id()];
-	if (flags & PAGE_CGROUP_FLAG_CACHE)
+	if (PageCgroupCache(pc))
 		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_CACHE, val);
 	else
 		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_RSS, val);
@@ -295,18 +339,18 @@ static void __mem_cgroup_remove_list(struct mem_cgroup_per_zone *mz,
 {
 	int lru = LRU_BASE;
 
-	if (pc->flags & PAGE_CGROUP_FLAG_UNEVICTABLE)
+	if (PageCgroupUnevictable(pc))
 		lru = LRU_UNEVICTABLE;
 	else {
-		if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
+		if (PageCgroupActive(pc))
 			lru += LRU_ACTIVE;
-		if (pc->flags & PAGE_CGROUP_FLAG_FILE)
+		if (PageCgroupFile(pc))
 			lru += LRU_FILE;
 	}
 
 	MEM_CGROUP_ZSTAT(mz, lru) -= 1;
 
-	mem_cgroup_charge_statistics(pc->mem_cgroup, pc->flags, false);
+	mem_cgroup_charge_statistics(pc->mem_cgroup, pc, false);
 	list_del(&pc->lru);
 }
 
@@ -315,27 +359,27 @@ static void __mem_cgroup_add_list(struct mem_cgroup_per_zone *mz,
 {
 	int lru = LRU_BASE;
 
-	if (pc->flags & PAGE_CGROUP_FLAG_UNEVICTABLE)
+	if (PageCgroupUnevictable(pc))
 		lru = LRU_UNEVICTABLE;
 	else {
-		if (pc->flags & PAGE_CGROUP_FLAG_ACTIVE)
+		if (PageCgroupActive(pc))
 			lru += LRU_ACTIVE;
-		if (pc->flags & PAGE_CGROUP_FLAG_FILE)
+		if (PageCgroupFile(pc))
 			lru += LRU_FILE;
 	}
 
 	MEM_CGROUP_ZSTAT(mz, lru) += 1;
 	list_add(&pc->lru, &mz->lists[lru]);
 
-	mem_cgroup_charge_statistics(pc->mem_cgroup, pc->flags, true);
+	mem_cgroup_charge_statistics(pc->mem_cgroup, pc, true);
 }
 
 static void __mem_cgroup_move_lists(struct page_cgroup *pc, enum lru_list lru)
 {
 	struct mem_cgroup_per_zone *mz = page_cgroup_zoneinfo(pc);
-	int active    = pc->flags & PAGE_CGROUP_FLAG_ACTIVE;
-	int file      = pc->flags & PAGE_CGROUP_FLAG_FILE;
-	int unevictable = pc->flags & PAGE_CGROUP_FLAG_UNEVICTABLE;
+	int active    = PageCgroupActive(pc);
+	int file      = PageCgroupFile(pc);
+	int unevictable = PageCgroupUnevictable(pc);
 	enum lru_list from = unevictable ? LRU_UNEVICTABLE :
 				(LRU_FILE * !!file + !!active);
 
@@ -343,16 +387,20 @@ static void __mem_cgroup_move_lists(struct page_cgroup *pc, enum lru_list lru)
 		return;
 
 	MEM_CGROUP_ZSTAT(mz, from) -= 1;
-
+	/*
+	 * However this is done under mz->lru_lock, another flags, which
+	 * are not related to LRU, will be modified from out-of-lock.
+	 * We have to use atomic set/clear flags.
+	 */
 	if (is_unevictable_lru(lru)) {
-		pc->flags &= ~PAGE_CGROUP_FLAG_ACTIVE;
-		pc->flags |= PAGE_CGROUP_FLAG_UNEVICTABLE;
+		ClearPageCgroupActive(pc);
+		SetPageCgroupUnevictable(pc);
 	} else {
 		if (is_active_lru(lru))
-			pc->flags |= PAGE_CGROUP_FLAG_ACTIVE;
+			SetPageCgroupActive(pc);
 		else
-			pc->flags &= ~PAGE_CGROUP_FLAG_ACTIVE;
-		pc->flags &= ~PAGE_CGROUP_FLAG_UNEVICTABLE;
+			ClearPageCgroupActive(pc);
+		ClearPageCgroupUnevictable(pc);
 	}
 
 	MEM_CGROUP_ZSTAT(mz, lru) += 1;
@@ -589,16 +637,7 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
 	 * If a page is accounted as a page cache, insert to inactive list.
 	 * If anon, insert to active list.
 	 */
-	if (ctype == MEM_CGROUP_CHARGE_TYPE_CACHE) {
-		pc->flags = PAGE_CGROUP_FLAG_CACHE;
-		if (page_is_file_cache(page))
-			pc->flags |= PAGE_CGROUP_FLAG_FILE;
-		else
-			pc->flags |= PAGE_CGROUP_FLAG_ACTIVE;
-	} else if (ctype == MEM_CGROUP_CHARGE_TYPE_MAPPED)
-		pc->flags = PAGE_CGROUP_FLAG_ACTIVE;
-	else /* MEM_CGROUP_CHARGE_TYPE_SHMEM */
-		pc->flags = PAGE_CGROUP_FLAG_CACHE | PAGE_CGROUP_FLAG_ACTIVE;
+	pc->flags = pcg_default_flags[ctype];
 
 	lock_page_cgroup(page);
 	if (unlikely(page_get_page_cgroup(page))) {
@@ -677,8 +716,12 @@ int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
 	if (unlikely(!mm))
 		mm = &init_mm;
 
-	return mem_cgroup_charge_common(page, mm, gfp_mask,
+	if (page_is_file_cache(page))
+		return mem_cgroup_charge_common(page, mm, gfp_mask,
 				MEM_CGROUP_CHARGE_TYPE_CACHE, NULL);
+	else
+		return mem_cgroup_charge_common(page, mm, gfp_mask,
+				MEM_CGROUP_CHARGE_TYPE_SHMEM, NULL);
 }
 
 /*
@@ -706,8 +749,7 @@ __mem_cgroup_uncharge_common(struct page *page, enum charge_type ctype)
 	VM_BUG_ON(pc->page != page);
 
 	if ((ctype == MEM_CGROUP_CHARGE_TYPE_MAPPED)
-	    && ((pc->flags & PAGE_CGROUP_FLAG_CACHE)
-		|| page_mapped(page)))
+	    && ((PageCgroupCache(pc) || page_mapped(page))))
 		goto unlock;
 
 	mz = page_cgroup_zoneinfo(pc);
@@ -758,7 +800,7 @@ int mem_cgroup_prepare_migration(struct page *page, struct page *newpage)
 	if (pc) {
 		mem = pc->mem_cgroup;
 		css_get(&mem->css);
-		if (pc->flags & PAGE_CGROUP_FLAG_CACHE) {
+		if (PageCgroupCache(pc)) {
 			if (page_is_file_cache(page))
 				ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
 			else
-- 
GitLab


From 52d4b9ac0b985168009c2a57098324e67bae171f Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:16 -0700
Subject: [PATCH 1454/2224] memcg: allocate all page_cgroup at boot

Allocate all page_cgroup at boot and remove page_cgroup poitner from
struct page.  This patch adds an interface as

 struct page_cgroup *lookup_page_cgroup(struct page*)

All FLATMEM/DISCONTIGMEM/SPARSEMEM  and MEMORY_HOTPLUG is supported.

Remove page_cgroup pointer reduces the amount of memory by
 - 4 bytes per PAGE_SIZE.
 - 8 bytes per PAGE_SIZE
if memory controller is disabled. (even if configured.)

On usual 8GB x86-32 server, this saves 8MB of NORMAL_ZONE memory.
On my x86-64 server with 48GB of memory, this saves 96MB of memory.
I think this reduction makes sense.

By pre-allocation, kmalloc/kfree in charge/uncharge are removed.
This means
  - we're not necessary to be afraid of kmalloc faiulre.
    (this can happen because of gfp_mask type.)
  - we can avoid calling kmalloc/kfree.
  - we can avoid allocating tons of small objects which can be fragmented.
  - we can know what amount of memory will be used for this extra-lru handling.

I added printk message as

	"allocated %ld bytes of page_cgroup"
        "please try cgroup_disable=memory option if you don't want"

maybe enough informative for users.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/memcontrol.h  |  13 +-
 include/linux/mm_types.h    |   3 -
 include/linux/mmzone.h      |  14 +-
 include/linux/page_cgroup.h | 103 +++++++++++++++
 mm/Makefile                 |   3 +-
 mm/memcontrol.c             | 247 ++++++++++++------------------------
 mm/page_alloc.c             |  12 +-
 mm/page_cgroup.c            | 237 ++++++++++++++++++++++++++++++++++
 8 files changed, 438 insertions(+), 194 deletions(-)
 create mode 100644 include/linux/page_cgroup.h
 create mode 100644 mm/page_cgroup.c

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index ee1b2fcb441..1fbe14d3952 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -27,9 +27,6 @@ struct mm_struct;
 
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 
-#define page_reset_bad_cgroup(page)	((page)->page_cgroup = 0)
-
-extern struct page_cgroup *page_get_page_cgroup(struct page *page);
 extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
 				gfp_t gfp_mask);
 extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
@@ -72,16 +69,8 @@ extern void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
 extern long mem_cgroup_calc_reclaim(struct mem_cgroup *mem, struct zone *zone,
 					int priority, enum lru_list lru);
 
-#else /* CONFIG_CGROUP_MEM_RES_CTLR */
-static inline void page_reset_bad_cgroup(struct page *page)
-{
-}
-
-static inline struct page_cgroup *page_get_page_cgroup(struct page *page)
-{
-	return NULL;
-}
 
+#else /* CONFIG_CGROUP_MEM_RES_CTLR */
 static inline int mem_cgroup_charge(struct page *page,
 					struct mm_struct *mm, gfp_t gfp_mask)
 {
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 9d49fa36bbe..fe825471d5a 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -94,9 +94,6 @@ struct page {
 	void *virtual;			/* Kernel virtual address (NULL if
 					   not kmapped, ie. highmem) */
 #endif /* WANT_PAGE_VIRTUAL */
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
-	unsigned long page_cgroup;
-#endif
 };
 
 /*
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index da2d053a95f..35a7b5e1946 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -601,8 +601,11 @@ typedef struct pglist_data {
 	struct zone node_zones[MAX_NR_ZONES];
 	struct zonelist node_zonelists[MAX_ZONELISTS];
 	int nr_zones;
-#ifdef CONFIG_FLAT_NODE_MEM_MAP
+#ifdef CONFIG_FLAT_NODE_MEM_MAP	/* means !SPARSEMEM */
 	struct page *node_mem_map;
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+	struct page_cgroup *node_page_cgroup;
+#endif
 #endif
 	struct bootmem_data *bdata;
 #ifdef CONFIG_MEMORY_HOTPLUG
@@ -931,6 +934,7 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn)
 #endif
 
 struct page;
+struct page_cgroup;
 struct mem_section {
 	/*
 	 * This is, logically, a pointer to an array of struct
@@ -948,6 +952,14 @@ struct mem_section {
 
 	/* See declaration of similar field in struct zone */
 	unsigned long *pageblock_flags;
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+	/*
+	 * If !SPARSEMEM, pgdat doesn't have page_cgroup pointer. We use
+	 * section. (see memcontrol.h/page_cgroup.h about this.)
+	 */
+	struct page_cgroup *page_cgroup;
+	unsigned long pad;
+#endif
 };
 
 #ifdef CONFIG_SPARSEMEM_EXTREME
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
new file mode 100644
index 00000000000..0fd39f2231e
--- /dev/null
+++ b/include/linux/page_cgroup.h
@@ -0,0 +1,103 @@
+#ifndef __LINUX_PAGE_CGROUP_H
+#define __LINUX_PAGE_CGROUP_H
+
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+#include <linux/bit_spinlock.h>
+/*
+ * Page Cgroup can be considered as an extended mem_map.
+ * A page_cgroup page is associated with every page descriptor. The
+ * page_cgroup helps us identify information about the cgroup
+ * All page cgroups are allocated at boot or memory hotplug event,
+ * then the page cgroup for pfn always exists.
+ */
+struct page_cgroup {
+	unsigned long flags;
+	struct mem_cgroup *mem_cgroup;
+	struct page *page;
+	struct list_head lru;		/* per cgroup LRU list */
+};
+
+void __init pgdat_page_cgroup_init(struct pglist_data *pgdat);
+void __init page_cgroup_init(void);
+struct page_cgroup *lookup_page_cgroup(struct page *page);
+
+enum {
+	/* flags for mem_cgroup */
+	PCG_LOCK,  /* page cgroup is locked */
+	PCG_CACHE, /* charged as cache */
+	PCG_USED, /* this object is in use. */
+	/* flags for LRU placement */
+	PCG_ACTIVE, /* page is active in this cgroup */
+	PCG_FILE, /* page is file system backed */
+	PCG_UNEVICTABLE, /* page is unevictableable */
+};
+
+#define TESTPCGFLAG(uname, lname)			\
+static inline int PageCgroup##uname(struct page_cgroup *pc)	\
+	{ return test_bit(PCG_##lname, &pc->flags); }
+
+#define SETPCGFLAG(uname, lname)			\
+static inline void SetPageCgroup##uname(struct page_cgroup *pc)\
+	{ set_bit(PCG_##lname, &pc->flags);  }
+
+#define CLEARPCGFLAG(uname, lname)			\
+static inline void ClearPageCgroup##uname(struct page_cgroup *pc)	\
+	{ clear_bit(PCG_##lname, &pc->flags);  }
+
+/* Cache flag is set only once (at allocation) */
+TESTPCGFLAG(Cache, CACHE)
+
+TESTPCGFLAG(Used, USED)
+CLEARPCGFLAG(Used, USED)
+
+/* LRU management flags (from global-lru definition) */
+TESTPCGFLAG(File, FILE)
+SETPCGFLAG(File, FILE)
+CLEARPCGFLAG(File, FILE)
+
+TESTPCGFLAG(Active, ACTIVE)
+SETPCGFLAG(Active, ACTIVE)
+CLEARPCGFLAG(Active, ACTIVE)
+
+TESTPCGFLAG(Unevictable, UNEVICTABLE)
+SETPCGFLAG(Unevictable, UNEVICTABLE)
+CLEARPCGFLAG(Unevictable, UNEVICTABLE)
+
+static inline int page_cgroup_nid(struct page_cgroup *pc)
+{
+	return page_to_nid(pc->page);
+}
+
+static inline enum zone_type page_cgroup_zid(struct page_cgroup *pc)
+{
+	return page_zonenum(pc->page);
+}
+
+static inline void lock_page_cgroup(struct page_cgroup *pc)
+{
+	bit_spin_lock(PCG_LOCK, &pc->flags);
+}
+
+static inline int trylock_page_cgroup(struct page_cgroup *pc)
+{
+	return bit_spin_trylock(PCG_LOCK, &pc->flags);
+}
+
+static inline void unlock_page_cgroup(struct page_cgroup *pc)
+{
+	bit_spin_unlock(PCG_LOCK, &pc->flags);
+}
+
+#else /* CONFIG_CGROUP_MEM_RES_CTLR */
+struct page_cgroup;
+
+static inline void pgdat_page_cgroup_init(struct pglist_data *pgdat)
+{
+}
+
+static inline struct page_cgroup *lookup_page_cgroup(struct page *page)
+{
+	return NULL;
+}
+#endif
+#endif
diff --git a/mm/Makefile b/mm/Makefile
index da4ccf015ae..c06b45a1ff5 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -33,5 +33,4 @@ obj-$(CONFIG_FS_XIP) += filemap_xip.o
 obj-$(CONFIG_MIGRATION) += migrate.o
 obj-$(CONFIG_SMP) += allocpercpu.o
 obj-$(CONFIG_QUICKLIST) += quicklist.o
-obj-$(CONFIG_CGROUP_MEM_RES_CTLR) += memcontrol.o
-
+obj-$(CONFIG_CGROUP_MEM_RES_CTLR) += memcontrol.o page_cgroup.o
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 031682e7ef0..d4a92b63e98 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -33,11 +33,11 @@
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
 #include <linux/mm_inline.h>
+#include <linux/page_cgroup.h>
 
 #include <asm/uaccess.h>
 
 struct cgroup_subsys mem_cgroup_subsys __read_mostly;
-static struct kmem_cache *page_cgroup_cache __read_mostly;
 #define MEM_CGROUP_RECLAIM_RETRIES	5
 
 /*
@@ -135,79 +135,6 @@ struct mem_cgroup {
 };
 static struct mem_cgroup init_mem_cgroup;
 
-/*
- * We use the lower bit of the page->page_cgroup pointer as a bit spin
- * lock.  We need to ensure that page->page_cgroup is at least two
- * byte aligned (based on comments from Nick Piggin).  But since
- * bit_spin_lock doesn't actually set that lock bit in a non-debug
- * uniprocessor kernel, we should avoid setting it here too.
- */
-#define PAGE_CGROUP_LOCK_BIT 	0x0
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
-#define PAGE_CGROUP_LOCK 	(1 << PAGE_CGROUP_LOCK_BIT)
-#else
-#define PAGE_CGROUP_LOCK	0x0
-#endif
-
-/*
- * A page_cgroup page is associated with every page descriptor. The
- * page_cgroup helps us identify information about the cgroup
- */
-struct page_cgroup {
-	struct list_head lru;		/* per cgroup LRU list */
-	struct page *page;
-	struct mem_cgroup *mem_cgroup;
-	unsigned long flags;
-};
-
-enum {
-	/* flags for mem_cgroup */
-	PCG_CACHE, /* charged as cache */
-	/* flags for LRU placement */
-	PCG_ACTIVE, /* page is active in this cgroup */
-	PCG_FILE, /* page is file system backed */
-	PCG_UNEVICTABLE, /* page is unevictableable */
-};
-
-#define TESTPCGFLAG(uname, lname)			\
-static inline int PageCgroup##uname(struct page_cgroup *pc)	\
-	{ return test_bit(PCG_##lname, &pc->flags); }
-
-#define SETPCGFLAG(uname, lname)			\
-static inline void SetPageCgroup##uname(struct page_cgroup *pc)\
-	{ set_bit(PCG_##lname, &pc->flags);  }
-
-#define CLEARPCGFLAG(uname, lname)			\
-static inline void ClearPageCgroup##uname(struct page_cgroup *pc)	\
-	{ clear_bit(PCG_##lname, &pc->flags);  }
-
-
-/* Cache flag is set only once (at allocation) */
-TESTPCGFLAG(Cache, CACHE)
-
-/* LRU management flags (from global-lru definition) */
-TESTPCGFLAG(File, FILE)
-SETPCGFLAG(File, FILE)
-CLEARPCGFLAG(File, FILE)
-
-TESTPCGFLAG(Active, ACTIVE)
-SETPCGFLAG(Active, ACTIVE)
-CLEARPCGFLAG(Active, ACTIVE)
-
-TESTPCGFLAG(Unevictable, UNEVICTABLE)
-SETPCGFLAG(Unevictable, UNEVICTABLE)
-CLEARPCGFLAG(Unevictable, UNEVICTABLE)
-
-static int page_cgroup_nid(struct page_cgroup *pc)
-{
-	return page_to_nid(pc->page);
-}
-
-static enum zone_type page_cgroup_zid(struct page_cgroup *pc)
-{
-	return page_zonenum(pc->page);
-}
-
 enum charge_type {
 	MEM_CGROUP_CHARGE_TYPE_CACHE = 0,
 	MEM_CGROUP_CHARGE_TYPE_MAPPED,
@@ -216,12 +143,18 @@ enum charge_type {
 	NR_CHARGE_TYPE,
 };
 
+/* only for here (for easy reading.) */
+#define PCGF_CACHE	(1UL << PCG_CACHE)
+#define PCGF_USED	(1UL << PCG_USED)
+#define PCGF_ACTIVE	(1UL << PCG_ACTIVE)
+#define PCGF_LOCK	(1UL << PCG_LOCK)
+#define PCGF_FILE	(1UL << PCG_FILE)
 static const unsigned long
 pcg_default_flags[NR_CHARGE_TYPE] = {
-	((1 << PCG_CACHE) | (1 << PCG_FILE)),
-	((1 << PCG_ACTIVE)),
-	((1 << PCG_ACTIVE) | (1 << PCG_CACHE)),
-	0,
+	PCGF_CACHE | PCGF_FILE | PCGF_USED | PCGF_LOCK, /* File Cache */
+	PCGF_ACTIVE | PCGF_USED | PCGF_LOCK, /* Anon */
+	PCGF_ACTIVE | PCGF_CACHE | PCGF_USED | PCGF_LOCK, /* Shmem */
+	0, /* FORCE */
 };
 
 /*
@@ -303,37 +236,6 @@ struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p)
 				struct mem_cgroup, css);
 }
 
-static inline int page_cgroup_locked(struct page *page)
-{
-	return bit_spin_is_locked(PAGE_CGROUP_LOCK_BIT, &page->page_cgroup);
-}
-
-static void page_assign_page_cgroup(struct page *page, struct page_cgroup *pc)
-{
-	VM_BUG_ON(!page_cgroup_locked(page));
-	page->page_cgroup = ((unsigned long)pc | PAGE_CGROUP_LOCK);
-}
-
-struct page_cgroup *page_get_page_cgroup(struct page *page)
-{
-	return (struct page_cgroup *) (page->page_cgroup & ~PAGE_CGROUP_LOCK);
-}
-
-static void lock_page_cgroup(struct page *page)
-{
-	bit_spin_lock(PAGE_CGROUP_LOCK_BIT, &page->page_cgroup);
-}
-
-static int try_lock_page_cgroup(struct page *page)
-{
-	return bit_spin_trylock(PAGE_CGROUP_LOCK_BIT, &page->page_cgroup);
-}
-
-static void unlock_page_cgroup(struct page *page)
-{
-	bit_spin_unlock(PAGE_CGROUP_LOCK_BIT, &page->page_cgroup);
-}
-
 static void __mem_cgroup_remove_list(struct mem_cgroup_per_zone *mz,
 			struct page_cgroup *pc)
 {
@@ -436,17 +338,16 @@ void mem_cgroup_move_lists(struct page *page, enum lru_list lru)
 	 * safely get to page_cgroup without it, so just try_lock it:
 	 * mem_cgroup_isolate_pages allows for page left on wrong list.
 	 */
-	if (!try_lock_page_cgroup(page))
+	pc = lookup_page_cgroup(page);
+	if (!trylock_page_cgroup(pc))
 		return;
-
-	pc = page_get_page_cgroup(page);
-	if (pc) {
+	if (pc && PageCgroupUsed(pc)) {
 		mz = page_cgroup_zoneinfo(pc);
 		spin_lock_irqsave(&mz->lru_lock, flags);
 		__mem_cgroup_move_lists(pc, lru);
 		spin_unlock_irqrestore(&mz->lru_lock, flags);
 	}
-	unlock_page_cgroup(page);
+	unlock_page_cgroup(pc);
 }
 
 /*
@@ -533,6 +434,8 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 	list_for_each_entry_safe_reverse(pc, tmp, src, lru) {
 		if (scan >= nr_to_scan)
 			break;
+		if (unlikely(!PageCgroupUsed(pc)))
+			continue;
 		page = pc->page;
 
 		if (unlikely(!PageLRU(page)))
@@ -576,26 +479,27 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
 {
 	struct mem_cgroup *mem;
 	struct page_cgroup *pc;
-	unsigned long flags;
 	unsigned long nr_retries = MEM_CGROUP_RECLAIM_RETRIES;
 	struct mem_cgroup_per_zone *mz;
+	unsigned long flags;
 
-	pc = kmem_cache_alloc(page_cgroup_cache, gfp_mask);
-	if (unlikely(pc == NULL))
-		goto err;
-
+	pc = lookup_page_cgroup(page);
+	/* can happen at boot */
+	if (unlikely(!pc))
+		return 0;
+	prefetchw(pc);
 	/*
 	 * We always charge the cgroup the mm_struct belongs to.
 	 * The mm_struct's mem_cgroup changes on task migration if the
 	 * thread group leader migrates. It's possible that mm is not
 	 * set, if so charge the init_mm (happens for pagecache usage).
 	 */
+
 	if (likely(!memcg)) {
 		rcu_read_lock();
 		mem = mem_cgroup_from_task(rcu_dereference(mm->owner));
 		if (unlikely(!mem)) {
 			rcu_read_unlock();
-			kmem_cache_free(page_cgroup_cache, pc);
 			return 0;
 		}
 		/*
@@ -631,36 +535,33 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
 		}
 	}
 
+
+	lock_page_cgroup(pc);
+	if (unlikely(PageCgroupUsed(pc))) {
+		unlock_page_cgroup(pc);
+		res_counter_uncharge(&mem->res, PAGE_SIZE);
+		css_put(&mem->css);
+
+		goto done;
+	}
 	pc->mem_cgroup = mem;
-	pc->page = page;
 	/*
 	 * If a page is accounted as a page cache, insert to inactive list.
 	 * If anon, insert to active list.
 	 */
 	pc->flags = pcg_default_flags[ctype];
 
-	lock_page_cgroup(page);
-	if (unlikely(page_get_page_cgroup(page))) {
-		unlock_page_cgroup(page);
-		res_counter_uncharge(&mem->res, PAGE_SIZE);
-		css_put(&mem->css);
-		kmem_cache_free(page_cgroup_cache, pc);
-		goto done;
-	}
-	page_assign_page_cgroup(page, pc);
-
 	mz = page_cgroup_zoneinfo(pc);
+
 	spin_lock_irqsave(&mz->lru_lock, flags);
 	__mem_cgroup_add_list(mz, pc);
 	spin_unlock_irqrestore(&mz->lru_lock, flags);
+	unlock_page_cgroup(pc);
 
-	unlock_page_cgroup(page);
 done:
 	return 0;
 out:
 	css_put(&mem->css);
-	kmem_cache_free(page_cgroup_cache, pc);
-err:
 	return -ENOMEM;
 }
 
@@ -668,7 +569,8 @@ int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask)
 {
 	if (mem_cgroup_subsys.disabled)
 		return 0;
-
+	if (PageCompound(page))
+		return 0;
 	/*
 	 * If already mapped, we don't have to account.
 	 * If page cache, page->mapping has address_space.
@@ -689,7 +591,8 @@ int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
 {
 	if (mem_cgroup_subsys.disabled)
 		return 0;
-
+	if (PageCompound(page))
+		return 0;
 	/*
 	 * Corner case handling. This is called from add_to_page_cache()
 	 * in usual. But some FS (shmem) precharges this page before calling it
@@ -702,15 +605,16 @@ int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
 	if (!(gfp_mask & __GFP_WAIT)) {
 		struct page_cgroup *pc;
 
-		lock_page_cgroup(page);
-		pc = page_get_page_cgroup(page);
-		if (pc) {
-			VM_BUG_ON(pc->page != page);
-			VM_BUG_ON(!pc->mem_cgroup);
-			unlock_page_cgroup(page);
+
+		pc = lookup_page_cgroup(page);
+		if (!pc)
+			return 0;
+		lock_page_cgroup(pc);
+		if (PageCgroupUsed(pc)) {
+			unlock_page_cgroup(pc);
 			return 0;
 		}
-		unlock_page_cgroup(page);
+		unlock_page_cgroup(pc);
 	}
 
 	if (unlikely(!mm))
@@ -741,37 +645,39 @@ __mem_cgroup_uncharge_common(struct page *page, enum charge_type ctype)
 	/*
 	 * Check if our page_cgroup is valid
 	 */
-	lock_page_cgroup(page);
-	pc = page_get_page_cgroup(page);
-	if (unlikely(!pc))
-		goto unlock;
-
-	VM_BUG_ON(pc->page != page);
+	pc = lookup_page_cgroup(page);
+	if (unlikely(!pc || !PageCgroupUsed(pc)))
+		return;
 
-	if ((ctype == MEM_CGROUP_CHARGE_TYPE_MAPPED)
-	    && ((PageCgroupCache(pc) || page_mapped(page))))
-		goto unlock;
+	lock_page_cgroup(pc);
+	if ((ctype == MEM_CGROUP_CHARGE_TYPE_MAPPED && page_mapped(page))
+	     || !PageCgroupUsed(pc)) {
+		/* This happens at race in zap_pte_range() and do_swap_page()*/
+		unlock_page_cgroup(pc);
+		return;
+	}
+	ClearPageCgroupUsed(pc);
+	mem = pc->mem_cgroup;
 
 	mz = page_cgroup_zoneinfo(pc);
 	spin_lock_irqsave(&mz->lru_lock, flags);
 	__mem_cgroup_remove_list(mz, pc);
 	spin_unlock_irqrestore(&mz->lru_lock, flags);
+	unlock_page_cgroup(pc);
 
-	page_assign_page_cgroup(page, NULL);
-	unlock_page_cgroup(page);
-
-	mem = pc->mem_cgroup;
 	res_counter_uncharge(&mem->res, PAGE_SIZE);
 	css_put(&mem->css);
 
-	kmem_cache_free(page_cgroup_cache, pc);
 	return;
-unlock:
-	unlock_page_cgroup(page);
 }
 
 void mem_cgroup_uncharge_page(struct page *page)
 {
+	/* early check. */
+	if (page_mapped(page))
+		return;
+	if (page->mapping && !PageAnon(page))
+		return;
 	__mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_MAPPED);
 }
 
@@ -795,9 +701,9 @@ int mem_cgroup_prepare_migration(struct page *page, struct page *newpage)
 	if (mem_cgroup_subsys.disabled)
 		return 0;
 
-	lock_page_cgroup(page);
-	pc = page_get_page_cgroup(page);
-	if (pc) {
+	pc = lookup_page_cgroup(page);
+	lock_page_cgroup(pc);
+	if (PageCgroupUsed(pc)) {
 		mem = pc->mem_cgroup;
 		css_get(&mem->css);
 		if (PageCgroupCache(pc)) {
@@ -807,7 +713,7 @@ int mem_cgroup_prepare_migration(struct page *page, struct page *newpage)
 				ctype = MEM_CGROUP_CHARGE_TYPE_SHMEM;
 		}
 	}
-	unlock_page_cgroup(page);
+	unlock_page_cgroup(pc);
 	if (mem) {
 		ret = mem_cgroup_charge_common(newpage, NULL, GFP_KERNEL,
 			ctype, mem);
@@ -832,7 +738,7 @@ void mem_cgroup_end_migration(struct page *newpage)
 	 */
 	if (!newpage->mapping)
 		__mem_cgroup_uncharge_common(newpage,
-					 MEM_CGROUP_CHARGE_TYPE_FORCE);
+				MEM_CGROUP_CHARGE_TYPE_FORCE);
 	else if (PageAnon(newpage))
 		mem_cgroup_uncharge_page(newpage);
 }
@@ -918,6 +824,8 @@ static void mem_cgroup_force_empty_list(struct mem_cgroup *mem,
 	while (!list_empty(list)) {
 		pc = list_entry(list->prev, struct page_cgroup, lru);
 		page = pc->page;
+		if (!PageCgroupUsed(pc))
+			break;
 		get_page(page);
 		spin_unlock_irqrestore(&mz->lru_lock, flags);
 		/*
@@ -932,8 +840,10 @@ static void mem_cgroup_force_empty_list(struct mem_cgroup *mem,
 				count = FORCE_UNCHARGE_BATCH;
 				cond_resched();
 			}
-		} else
-			cond_resched();
+		} else {
+			spin_lock_irqsave(&mz->lru_lock, flags);
+			break;
+		}
 		spin_lock_irqsave(&mz->lru_lock, flags);
 	}
 	spin_unlock_irqrestore(&mz->lru_lock, flags);
@@ -957,6 +867,8 @@ static int mem_cgroup_force_empty(struct mem_cgroup *mem)
 	while (mem->res.usage > 0) {
 		if (atomic_read(&mem->css.cgroup->count) > 0)
 			goto out;
+		/* This is for making all *used* pages to be on LRU. */
+		lru_add_drain_all();
 		for_each_node_state(node, N_POSSIBLE)
 			for (zid = 0; zid < MAX_NR_ZONES; zid++) {
 				struct mem_cgroup_per_zone *mz;
@@ -965,6 +877,7 @@ static int mem_cgroup_force_empty(struct mem_cgroup *mem)
 				for_each_lru(l)
 					mem_cgroup_force_empty_list(mem, mz, l);
 			}
+		cond_resched();
 	}
 	ret = 0;
 out:
@@ -1175,8 +1088,8 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	int node;
 
 	if (unlikely((cont->parent) == NULL)) {
+		page_cgroup_init();
 		mem = &init_mem_cgroup;
-		page_cgroup_cache = KMEM_CACHE(page_cgroup, SLAB_PANIC);
 	} else {
 		mem = mem_cgroup_alloc();
 		if (!mem)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f2fc44ec1d4..d0a240fbb8b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -44,7 +44,7 @@
 #include <linux/backing-dev.h>
 #include <linux/fault-inject.h>
 #include <linux/page-isolation.h>
-#include <linux/memcontrol.h>
+#include <linux/page_cgroup.h>
 #include <linux/debugobjects.h>
 
 #include <asm/tlbflush.h>
@@ -223,17 +223,12 @@ static inline int bad_range(struct zone *zone, struct page *page)
 
 static void bad_page(struct page *page)
 {
-	void *pc = page_get_page_cgroup(page);
-
 	printk(KERN_EMERG "Bad page state in process '%s'\n" KERN_EMERG
 		"page:%p flags:0x%0*lx mapping:%p mapcount:%d count:%d\n",
 		current->comm, page, (int)(2*sizeof(unsigned long)),
 		(unsigned long)page->flags, page->mapping,
 		page_mapcount(page), page_count(page));
-	if (pc) {
-		printk(KERN_EMERG "cgroup:%p\n", pc);
-		page_reset_bad_cgroup(page);
-	}
+
 	printk(KERN_EMERG "Trying to fix it up, but a reboot is needed\n"
 		KERN_EMERG "Backtrace:\n");
 	dump_stack();
@@ -457,7 +452,6 @@ static inline int free_pages_check(struct page *page)
 	free_page_mlock(page);
 	if (unlikely(page_mapcount(page) |
 		(page->mapping != NULL)  |
-		(page_get_page_cgroup(page) != NULL) |
 		(page_count(page) != 0)  |
 		(page->flags & PAGE_FLAGS_CHECK_AT_FREE)))
 		bad_page(page);
@@ -603,7 +597,6 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
 {
 	if (unlikely(page_mapcount(page) |
 		(page->mapping != NULL)  |
-		(page_get_page_cgroup(page) != NULL) |
 		(page_count(page) != 0)  |
 		(page->flags & PAGE_FLAGS_CHECK_AT_PREP)))
 		bad_page(page);
@@ -3438,6 +3431,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
 	pgdat->nr_zones = 0;
 	init_waitqueue_head(&pgdat->kswapd_wait);
 	pgdat->kswapd_max_order = 0;
+	pgdat_page_cgroup_init(pgdat);
 	
 	for (j = 0; j < MAX_NR_ZONES; j++) {
 		struct zone *zone = pgdat->node_zones + j;
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
new file mode 100644
index 00000000000..5d86550701f
--- /dev/null
+++ b/mm/page_cgroup.c
@@ -0,0 +1,237 @@
+#include <linux/mm.h>
+#include <linux/mmzone.h>
+#include <linux/bootmem.h>
+#include <linux/bit_spinlock.h>
+#include <linux/page_cgroup.h>
+#include <linux/hash.h>
+#include <linux/memory.h>
+
+static void __meminit
+__init_page_cgroup(struct page_cgroup *pc, unsigned long pfn)
+{
+	pc->flags = 0;
+	pc->mem_cgroup = NULL;
+	pc->page = pfn_to_page(pfn);
+}
+static unsigned long total_usage;
+
+#if !defined(CONFIG_SPARSEMEM)
+
+
+void __init pgdat_page_cgroup_init(struct pglist_data *pgdat)
+{
+	pgdat->node_page_cgroup = NULL;
+}
+
+struct page_cgroup *lookup_page_cgroup(struct page *page)
+{
+	unsigned long pfn = page_to_pfn(page);
+	unsigned long offset;
+	struct page_cgroup *base;
+
+	base = NODE_DATA(page_to_nid(page))->node_page_cgroup;
+	if (unlikely(!base))
+		return NULL;
+
+	offset = pfn - NODE_DATA(page_to_nid(page))->node_start_pfn;
+	return base + offset;
+}
+
+static int __init alloc_node_page_cgroup(int nid)
+{
+	struct page_cgroup *base, *pc;
+	unsigned long table_size;
+	unsigned long start_pfn, nr_pages, index;
+
+	start_pfn = NODE_DATA(nid)->node_start_pfn;
+	nr_pages = NODE_DATA(nid)->node_spanned_pages;
+
+	table_size = sizeof(struct page_cgroup) * nr_pages;
+
+	base = __alloc_bootmem_node_nopanic(NODE_DATA(nid),
+			table_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
+	if (!base)
+		return -ENOMEM;
+	for (index = 0; index < nr_pages; index++) {
+		pc = base + index;
+		__init_page_cgroup(pc, start_pfn + index);
+	}
+	NODE_DATA(nid)->node_page_cgroup = base;
+	total_usage += table_size;
+	return 0;
+}
+
+void __init page_cgroup_init(void)
+{
+
+	int nid, fail;
+
+	for_each_online_node(nid)  {
+		fail = alloc_node_page_cgroup(nid);
+		if (fail)
+			goto fail;
+	}
+	printk(KERN_INFO "allocated %ld bytes of page_cgroup\n", total_usage);
+	printk(KERN_INFO "please try cgroup_disable=memory option if you"
+	" don't want\n");
+	return;
+fail:
+	printk(KERN_CRIT "allocation of page_cgroup was failed.\n");
+	printk(KERN_CRIT "please try cgroup_disable=memory boot option\n");
+	panic("Out of memory");
+}
+
+#else /* CONFIG_FLAT_NODE_MEM_MAP */
+
+struct page_cgroup *lookup_page_cgroup(struct page *page)
+{
+	unsigned long pfn = page_to_pfn(page);
+	struct mem_section *section = __pfn_to_section(pfn);
+
+	return section->page_cgroup + pfn;
+}
+
+int __meminit init_section_page_cgroup(unsigned long pfn)
+{
+	struct mem_section *section;
+	struct page_cgroup *base, *pc;
+	unsigned long table_size;
+	int nid, index;
+
+	section = __pfn_to_section(pfn);
+
+	if (section->page_cgroup)
+		return 0;
+
+	nid = page_to_nid(pfn_to_page(pfn));
+
+	table_size = sizeof(struct page_cgroup) * PAGES_PER_SECTION;
+	base = kmalloc_node(table_size, GFP_KERNEL, nid);
+	if (!base)
+		base = vmalloc_node(table_size, nid);
+
+	if (!base) {
+		printk(KERN_ERR "page cgroup allocation failure\n");
+		return -ENOMEM;
+	}
+
+	for (index = 0; index < PAGES_PER_SECTION; index++) {
+		pc = base + index;
+		__init_page_cgroup(pc, pfn + index);
+	}
+
+	section = __pfn_to_section(pfn);
+	section->page_cgroup = base - pfn;
+	total_usage += table_size;
+	return 0;
+}
+#ifdef CONFIG_MEMORY_HOTPLUG
+void __free_page_cgroup(unsigned long pfn)
+{
+	struct mem_section *ms;
+	struct page_cgroup *base;
+
+	ms = __pfn_to_section(pfn);
+	if (!ms || !ms->page_cgroup)
+		return;
+	base = ms->page_cgroup + pfn;
+	ms->page_cgroup = NULL;
+	if (is_vmalloc_addr(base))
+		vfree(base);
+	else
+		kfree(base);
+}
+
+int online_page_cgroup(unsigned long start_pfn,
+			unsigned long nr_pages,
+			int nid)
+{
+	unsigned long start, end, pfn;
+	int fail = 0;
+
+	start = start_pfn & (PAGES_PER_SECTION - 1);
+	end = ALIGN(start_pfn + nr_pages, PAGES_PER_SECTION);
+
+	for (pfn = start; !fail && pfn < end; pfn += PAGES_PER_SECTION) {
+		if (!pfn_present(pfn))
+			continue;
+		fail = init_section_page_cgroup(pfn);
+	}
+	if (!fail)
+		return 0;
+
+	/* rollback */
+	for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION)
+		__free_page_cgroup(pfn);
+
+	return -ENOMEM;
+}
+
+int offline_page_cgroup(unsigned long start_pfn,
+		unsigned long nr_pages, int nid)
+{
+	unsigned long start, end, pfn;
+
+	start = start_pfn & (PAGES_PER_SECTION - 1);
+	end = ALIGN(start_pfn + nr_pages, PAGES_PER_SECTION);
+
+	for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION)
+		__free_page_cgroup(pfn);
+	return 0;
+
+}
+
+static int page_cgroup_callback(struct notifier_block *self,
+			       unsigned long action, void *arg)
+{
+	struct memory_notify *mn = arg;
+	int ret = 0;
+	switch (action) {
+	case MEM_GOING_ONLINE:
+		ret = online_page_cgroup(mn->start_pfn,
+				   mn->nr_pages, mn->status_change_nid);
+		break;
+	case MEM_CANCEL_ONLINE:
+	case MEM_OFFLINE:
+		offline_page_cgroup(mn->start_pfn,
+				mn->nr_pages, mn->status_change_nid);
+		break;
+	case MEM_GOING_OFFLINE:
+		break;
+	case MEM_ONLINE:
+	case MEM_CANCEL_OFFLINE:
+		break;
+	}
+	ret = notifier_from_errno(ret);
+	return ret;
+}
+
+#endif
+
+void __init page_cgroup_init(void)
+{
+	unsigned long pfn;
+	int fail = 0;
+
+	for (pfn = 0; !fail && pfn < max_pfn; pfn += PAGES_PER_SECTION) {
+		if (!pfn_present(pfn))
+			continue;
+		fail = init_section_page_cgroup(pfn);
+	}
+	if (fail) {
+		printk(KERN_CRIT "try cgroup_disable=memory boot option\n");
+		panic("Out of memory");
+	} else {
+		hotplug_memory_notifier(page_cgroup_callback, 0);
+	}
+	printk(KERN_INFO "allocated %ld bytes of page_cgroup\n", total_usage);
+	printk(KERN_INFO "please try cgroup_disable=memory option if you don't"
+	" want\n");
+}
+
+void __init pgdat_page_cgroup_init(struct pglist_data *pgdat)
+{
+	return;
+}
+
+#endif
-- 
GitLab


From 40b6a76237563c70466ec7315f644ba87d57dbe5 Mon Sep 17 00:00:00 2001
From: Rakib Mullick <rakib.mullick@gmail.com>
Date: Sat, 18 Oct 2008 20:28:18 -0700
Subject: [PATCH 1455/2224] cpuset.c: remove extra variable

Remove the use of int cpus_nonempty variable from 'update_flag' function.

Signed-off-by: Md.Rakib H. Mullick <rakib.mullick@gmail.com>
Acked-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpuset.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index eab7bd6628e..81d4d2426fd 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1172,7 +1172,7 @@ static int update_flag(cpuset_flagbits_t bit, struct cpuset *cs,
 {
 	struct cpuset trialcs;
 	int err;
-	int cpus_nonempty, balance_flag_changed;
+	int balance_flag_changed;
 
 	trialcs = *cs;
 	if (turning_on)
@@ -1184,7 +1184,6 @@ static int update_flag(cpuset_flagbits_t bit, struct cpuset *cs,
 	if (err < 0)
 		return err;
 
-	cpus_nonempty = !cpus_empty(trialcs.cpus_allowed);
 	balance_flag_changed = (is_sched_load_balance(cs) !=
 		 			is_sched_load_balance(&trialcs));
 
@@ -1192,7 +1191,7 @@ static int update_flag(cpuset_flagbits_t bit, struct cpuset *cs,
 	cs->flags = trialcs.flags;
 	mutex_unlock(&callback_mutex);
 
-	if (cpus_nonempty && balance_flag_changed)
+	if (!cpus_empty(trialcs.cpus_allowed) && balance_flag_changed)
 		async_rebuild_sched_domains();
 
 	return 0;
-- 
GitLab


From 85dd030edb174376ef43bc95e5fae4755af1ec98 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:18 -0700
Subject: [PATCH 1456/2224] seq_file: don't call bitmap_scnprintf_len()

"m->count + len < m->size" is true commonly, so bitmap_scnprintf()
is commonly called. this fix saves a call to bitmap_scnprintf_len().

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Paul Menage <menage@google.com>
Cc: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/seq_file.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/fs/seq_file.c b/fs/seq_file.c
index bd20f7f5a93..11c85fec6b4 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -452,17 +452,18 @@ int seq_dentry(struct seq_file *m, struct dentry *dentry, char *esc)
 
 int seq_bitmap(struct seq_file *m, unsigned long *bits, unsigned int nr_bits)
 {
-	size_t len = bitmap_scnprintf_len(nr_bits);
-
-	if (m->count + len < m->size) {
-		bitmap_scnprintf(m->buf + m->count, m->size - m->count,
-				 bits, nr_bits);
-		m->count += len;
-		return 0;
+	if (m->count < m->size) {
+		int len = bitmap_scnprintf(m->buf + m->count,
+				m->size - m->count, bits, nr_bits);
+		if (m->count + len < m->size) {
+			m->count += len;
+			return 0;
+		}
 	}
 	m->count = m->size;
 	return -1;
 }
+EXPORT_SYMBOL(seq_bitmap);
 
 static void *single_start(struct seq_file *p, loff_t *pos)
 {
-- 
GitLab


From 3eda20118000941e7e8994fc5fac8706d8c10f00 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:19 -0700
Subject: [PATCH 1457/2224] seq_file: add seq_cpumask_list(),
 seq_nodemask_list()

seq_cpumask_list(), seq_nodemask_list() are very like seq_cpumask(),
seq_nodemask(), but they print human readable string.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Paul Menage <menage@google.com>
Cc: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/seq_file.c            | 16 ++++++++++++++++
 include/linux/seq_file.h | 13 +++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/fs/seq_file.c b/fs/seq_file.c
index 11c85fec6b4..eba2eabcd2b 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -465,6 +465,22 @@ int seq_bitmap(struct seq_file *m, unsigned long *bits, unsigned int nr_bits)
 }
 EXPORT_SYMBOL(seq_bitmap);
 
+int seq_bitmap_list(struct seq_file *m, unsigned long *bits,
+		unsigned int nr_bits)
+{
+	if (m->count < m->size) {
+		int len = bitmap_scnlistprintf(m->buf + m->count,
+				m->size - m->count, bits, nr_bits);
+		if (m->count + len < m->size) {
+			m->count += len;
+			return 0;
+		}
+	}
+	m->count = m->size;
+	return -1;
+}
+EXPORT_SYMBOL(seq_bitmap_list);
+
 static void *single_start(struct seq_file *p, loff_t *pos)
 {
 	return NULL + (*pos == 0);
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index a1783b229ef..dc50bcc282a 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -60,6 +60,19 @@ static inline int seq_nodemask(struct seq_file *m, nodemask_t *mask)
 	return seq_bitmap(m, mask->bits, MAX_NUMNODES);
 }
 
+int seq_bitmap_list(struct seq_file *m, unsigned long *bits,
+		unsigned int nr_bits);
+
+static inline int seq_cpumask_list(struct seq_file *m, cpumask_t *mask)
+{
+	return seq_bitmap_list(m, mask->bits, NR_CPUS);
+}
+
+static inline int seq_nodemask_list(struct seq_file *m, nodemask_t *mask)
+{
+	return seq_bitmap_list(m, mask->bits, MAX_NUMNODES);
+}
+
 int single_open(struct file *, int (*)(struct seq_file *, void *), void *);
 int single_release(struct inode *, struct file *);
 void *__seq_open_private(struct file *, const struct seq_operations *, int);
-- 
GitLab


From 30e8e13603c247c301fdacabef2a765c84840994 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:20 -0700
Subject: [PATCH 1458/2224] cpuset: use seq_*mask_* to print masks

1) seq_file excepts that m->count == m->size when it's buf is full,
   so current code will causes bugs when buf is overflow.

2) There is not too good that cpuset accesses struct seq_file's
   fields directly.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Paul Menage <menage@google.com>
Cc: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/cpuset.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 81d4d2426fd..3e00526f52e 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2436,19 +2436,15 @@ const struct file_operations proc_cpuset_operations = {
 void cpuset_task_status_allowed(struct seq_file *m, struct task_struct *task)
 {
 	seq_printf(m, "Cpus_allowed:\t");
-	m->count += cpumask_scnprintf(m->buf + m->count, m->size - m->count,
-					task->cpus_allowed);
+	seq_cpumask(m, &task->cpus_allowed);
 	seq_printf(m, "\n");
 	seq_printf(m, "Cpus_allowed_list:\t");
-	m->count += cpulist_scnprintf(m->buf + m->count, m->size - m->count,
-					task->cpus_allowed);
+	seq_cpumask_list(m, &task->cpus_allowed);
 	seq_printf(m, "\n");
 	seq_printf(m, "Mems_allowed:\t");
-	m->count += nodemask_scnprintf(m->buf + m->count, m->size - m->count,
-					task->mems_allowed);
+	seq_nodemask(m, &task->mems_allowed);
 	seq_printf(m, "\n");
 	seq_printf(m, "Mems_allowed_list:\t");
-	m->count += nodelist_scnprintf(m->buf + m->count, m->size - m->count,
-					task->mems_allowed);
+	seq_nodemask_list(m, &task->mems_allowed);
 	seq_printf(m, "\n");
 }
-- 
GitLab


From c4596435404976b0ded9cdf18b456ca2e1408ddd Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Sat, 18 Oct 2008 20:28:21 -0700
Subject: [PATCH 1459/2224] bitmask: remove bitmap_scnprintf_len()

bitmap_scnprintf_len() is not used now, so we remove it.

Otherwise we have to maintain it and make its return
value always equal to bitmap_scnprintf()'s return value.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Paul Menage <menage@google.com>
Cc: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/bitmap.h |  1 -
 lib/bitmap.c           | 11 -----------
 2 files changed, 12 deletions(-)

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 89781fd4885..1abfe664c44 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -110,7 +110,6 @@ extern int __bitmap_weight(const unsigned long *bitmap, int bits);
 
 extern int bitmap_scnprintf(char *buf, unsigned int len,
 			const unsigned long *src, int nbits);
-extern int bitmap_scnprintf_len(unsigned int nr_bits);
 extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user,
 			unsigned long *dst, int nbits);
 extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen,
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 06fb57c86de..482df94ea21 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -315,17 +315,6 @@ int bitmap_scnprintf(char *buf, unsigned int buflen,
 }
 EXPORT_SYMBOL(bitmap_scnprintf);
 
-/**
- * bitmap_scnprintf_len - return buffer length needed to convert
- * bitmap to an ASCII hex string
- * @nr_bits: number of bits to be converted
- */
-int bitmap_scnprintf_len(unsigned int nr_bits)
-{
-	unsigned int nr_nibbles = ALIGN(nr_bits, 4) / 4;
-	return nr_nibbles + ALIGN(nr_nibbles, CHUNKSZ / 4) / (CHUNKSZ / 4) - 1;
-}
-
 /**
  * __bitmap_parse - convert an ASCII hex string into a bitmap.
  * @buf: pointer to buffer containing string.
-- 
GitLab


From b747c8c102cc0677a7a8056a093f58d7c9b500e7 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:21 -0700
Subject: [PATCH 1460/2224] make ptrace_untrace() static

ptrace_untrace() can now become static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/ptrace.h | 1 -
 kernel/ptrace.c        | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index ea7416c901d..22641d5d45d 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -94,7 +94,6 @@ extern void ptrace_notify(int exit_code);
 extern void __ptrace_link(struct task_struct *child,
 			  struct task_struct *new_parent);
 extern void __ptrace_unlink(struct task_struct *child);
-extern void ptrace_untrace(struct task_struct *child);
 #define PTRACE_MODE_READ   1
 #define PTRACE_MODE_ATTACH 2
 /* Returns 0 on success, -errno on denial. */
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 356699a96d5..1e68e4c39e2 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -45,7 +45,7 @@ void __ptrace_link(struct task_struct *child, struct task_struct *new_parent)
  * TASK_TRACED, resume it now.
  * Requires that irqs be disabled.
  */
-void ptrace_untrace(struct task_struct *child)
+static void ptrace_untrace(struct task_struct *child)
 {
 	spin_lock(&child->sighand->siglock);
 	if (task_is_traced(child)) {
-- 
GitLab


From 6409324b385f3f63a03645b4422e3be67348d922 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Sat, 18 Oct 2008 20:28:22 -0700
Subject: [PATCH 1461/2224] coredump: format_corename: don't append .%pid if
 multi-threaded

If the coredumping is multi-threaded, format_corename() appends .%pid to
the corename.  This was needed before the proper multi-thread core dump
support, now all the threads in the mm go into a single unified core file.

Remove this special case, it is not even documented and we have "%p"
and core_uses_pid.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: La Monte Yarroll <piggy@laurelnetworks.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/exec.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index a41e7902ed0..4e834f16d9d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1386,7 +1386,7 @@ EXPORT_SYMBOL(set_binfmt);
  * name into corename, which must have space for at least
  * CORENAME_MAX_SIZE bytes plus one byte for the zero terminator.
  */
-static int format_corename(char *corename, int nr_threads, long signr)
+static int format_corename(char *corename, long signr)
 {
 	const char *pat_ptr = core_pattern;
 	int ispipe = (*pat_ptr == '|');
@@ -1493,8 +1493,7 @@ static int format_corename(char *corename, int nr_threads, long signr)
 	 * If core_pattern does not include a %p (as is the default)
 	 * and core_uses_pid is set, then .%pid will be appended to
 	 * the filename. Do not do this for piped commands. */
-	if (!ispipe && !pid_in_pattern
-	    && (core_uses_pid || nr_threads)) {
+	if (!ispipe && !pid_in_pattern && core_uses_pid) {
 		rc = snprintf(out_ptr, out_end - out_ptr,
 			      ".%d", task_tgid_vnr(current));
 		if (rc > out_end - out_ptr)
@@ -1757,7 +1756,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
 	 * uses lock_kernel()
 	 */
  	lock_kernel();
-	ispipe = format_corename(corename, retval, signr);
+	ispipe = format_corename(corename, signr);
 	unlock_kernel();
 	/*
 	 * Don't bother to check the RLIMIT_CORE value if core_pattern points
-- 
GitLab


From 656eb2cd5da153762f2e8419ca117ce12ef522c3 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@redhat.com>
Date: Sat, 18 Oct 2008 20:28:23 -0700
Subject: [PATCH 1462/2224] add CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS

This adds a kconfig option to change the /proc/PID/coredump_filter default.
Fedora has been carrying a trivial patch to change the hard-wired value for
this default, since Fedora 8.  The default default can't change safely
because there are old GDB versions out there (all before 6.7) that are
confused by the core dump files created by the MMF_DUMP_ELF_HEADERS setting.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Kawai Hidehiro <hidehiro.kawai.ez@hitachi.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/Kconfig.binfmt     | 22 ++++++++++++++++++++++
 include/linux/sched.h |  8 +++++++-
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index 801db134181..ce9fb3fbfae 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -40,6 +40,28 @@ config BINFMT_ELF_FDPIC
 
 	  It is also possible to run FDPIC ELF binaries on MMU linux also.
 
+config CORE_DUMP_DEFAULT_ELF_HEADERS
+	bool "Write ELF core dumps with partial segments"
+	default n
+	depends on BINFMT_ELF
+	help
+	  ELF core dump files describe each memory mapping of the crashed
+	  process, and can contain or omit the memory contents of each one.
+	  The contents of an unmodified text mapping are omitted by default.
+
+	  For an unmodified text mapping of an ELF object, including just
+	  the first page of the file in a core dump makes it possible to
+	  identify the build ID bits in the file, without paying the i/o
+	  cost and disk space to dump all the text.  However, versions of
+	  GDB before 6.7 are confused by ELF core dump files in this format.
+
+	  The core dump behavior can be controlled per process using
+	  the /proc/PID/coredump_filter pseudo-file; this setting is
+	  inherited.  See Documentation/filesystems/proc.txt for details.
+
+	  This config option changes the default setting of coredump_filter
+	  seen at boot time.  If unsure, say N.
+
 config BINFMT_FLAT
 	bool "Kernel support for flat binaries"
 	depends on !MMU && (!FRV || BROKEN)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 017cc914ef1..f52dbd3587a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -411,7 +411,13 @@ extern int get_dumpable(struct mm_struct *mm);
 	(((1 << MMF_DUMP_FILTER_BITS) - 1) << MMF_DUMP_FILTER_SHIFT)
 #define MMF_DUMP_FILTER_DEFAULT \
 	((1 << MMF_DUMP_ANON_PRIVATE) |	(1 << MMF_DUMP_ANON_SHARED) |\
-	 (1 << MMF_DUMP_HUGETLB_PRIVATE))
+	 (1 << MMF_DUMP_HUGETLB_PRIVATE) | MMF_DUMP_MASK_DEFAULT_ELF)
+
+#ifdef CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS
+# define MMF_DUMP_MASK_DEFAULT_ELF	(1 << MMF_DUMP_ELF_HEADERS)
+#else
+# define MMF_DUMP_MASK_DEFAULT_ELF	0
+#endif
 
 struct sighand_struct {
 	atomic_t		count;
-- 
GitLab


From 293adee601bcd4cdb5076a9bda187137de17e96e Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@tv-sign.ru>
Date: Sat, 18 Oct 2008 20:28:24 -0700
Subject: [PATCH 1463/2224] kthread_bind: use
 wait_task_inactive(TASK_UNINTERRUPTIBLE)

Now that wait_task_inactive(task, state) checks task->state == state,
we can simplify the code and make this debugging check more robust.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/kthread.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/kthread.c b/kernel/kthread.c
index 96cff2f8710..14ec64fe175 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -171,12 +171,11 @@ EXPORT_SYMBOL(kthread_create);
  */
 void kthread_bind(struct task_struct *k, unsigned int cpu)
 {
-	if (k->state != TASK_UNINTERRUPTIBLE) {
+	/* Must have done schedule() in kthread() before we set_task_cpu */
+	if (!wait_task_inactive(k, TASK_UNINTERRUPTIBLE)) {
 		WARN_ON(1);
 		return;
 	}
-	/* Must have done schedule() in kthread() before we set_task_cpu */
-	wait_task_inactive(k, 0);
 	set_task_cpu(k, cpu);
 	k->cpus_allowed = cpumask_of_cpu(cpu);
 	k->rt.nr_cpus_allowed = 1;
-- 
GitLab


From 57cac4d1880527e0baf6c2fda529d2ad1d815aec Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Sat, 18 Oct 2008 20:28:25 -0700
Subject: [PATCH 1464/2224] kdump: make elfcorehdr_addr independent of
 CONFIG_PROC_VMCORE

o elfcorehdr_addr is used by not only the code under CONFIG_PROC_VMCORE
  but also by the code which is not inside CONFIG_PROC_VMCORE.  For
  example, is_kdump_kernel() is used by powerpc code to determine if
  kernel is booting after a panic then use previous kernel's TCE table.
  So even if CONFIG_PROC_VMCORE is not set in second kernel, one should be
  able to correctly determine that we are booting after a panic and setup
  calgary iommu accordingly.

o So remove the assumption that elfcorehdr_addr is under
  CONFIG_PROC_VMCORE.

o Move definition of elfcorehdr_addr to arch dependent crash files.
  (Unfortunately crash dump does not have an arch independent file
  otherwise that would have been the best place).

o kexec.c is not the right place as one can Have CRASH_DUMP enabled in
  second kernel without KEXEC being enabled.

o I don't see sh setup code parsing the command line for
  elfcorehdr_addr.  I am wondering how does vmcore interface work on sh.
  Anyway, I am atleast defining elfcoredhr_addr so that compilation is not
  broken on sh.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Simon Horman <horms@verge.net.au>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/kernel/crash_dump.c    |  4 ++++
 arch/ia64/kernel/setup.c         |  9 ++++++++-
 arch/powerpc/kernel/crash_dump.c | 10 ++++++++--
 arch/sh/kernel/crash_dump.c      |  3 +++
 arch/x86/kernel/crash_dump_32.c  |  3 +++
 arch/x86/kernel/crash_dump_64.c  |  3 +++
 arch/x86/kernel/setup.c          |  8 +++++++-
 fs/proc/vmcore.c                 |  3 ---
 include/linux/crash_dump.h       | 14 ++++++++++----
 9 files changed, 46 insertions(+), 11 deletions(-)

diff --git a/arch/ia64/kernel/crash_dump.c b/arch/ia64/kernel/crash_dump.c
index da60e90eeeb..23e91290e41 100644
--- a/arch/ia64/kernel/crash_dump.c
+++ b/arch/ia64/kernel/crash_dump.c
@@ -8,10 +8,14 @@
 
 #include <linux/errno.h>
 #include <linux/types.h>
+#include <linux/crash_dump.h>
 
 #include <asm/page.h>
 #include <asm/uaccess.h>
 
+/* Stores the physical address of elf header of crash image. */
+unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+
 /**
  * copy_oldmem_page - copy one page from "oldmem"
  * @pfn: page frame number to be copied
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index de636b21567..a0286be6c23 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -478,7 +478,12 @@ static __init int setup_nomca(char *s)
 }
 early_param("nomca", setup_nomca);
 
-#ifdef CONFIG_PROC_VMCORE
+/*
+ * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
+ * is_kdump_kernel() to determine if we are booting after a panic. Hence
+ * ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE.
+ */
+#ifdef CONFIG_CRASH_DUMP
 /* elfcorehdr= specifies the location of elf core header
  * stored by the crashed kernel.
  */
@@ -491,7 +496,9 @@ static int __init parse_elfcorehdr(char *arg)
 	return 0;
 }
 early_param("elfcorehdr", parse_elfcorehdr);
+#endif
 
+#ifdef CONFIG_PROC_VMCORE
 int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
 {
 	unsigned long length;
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index a323c9b32ee..97e05637972 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -27,6 +27,9 @@
 #define DBG(fmt...)
 #endif
 
+/* Stores the physical address of elf header of crash image. */
+unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+
 void __init reserve_kdump_trampoline(void)
 {
 	lmb_reserve(0, KDUMP_RESERVE_LIMIT);
@@ -66,7 +69,11 @@ void __init setup_kdump_trampoline(void)
 	DBG(" <- setup_kdump_trampoline()\n");
 }
 
-#ifdef CONFIG_PROC_VMCORE
+/*
+ * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
+ * is_kdump_kernel() to determine if we are booting after a panic. Hence
+ * ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE.
+ */
 static int __init parse_elfcorehdr(char *p)
 {
 	if (p)
@@ -75,7 +82,6 @@ static int __init parse_elfcorehdr(char *p)
 	return 1;
 }
 __setup("elfcorehdr=", parse_elfcorehdr);
-#endif
 
 static int __init parse_savemaxmem(char *p)
 {
diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c
index 4a2ecbe27d8..95d21625556 100644
--- a/arch/sh/kernel/crash_dump.c
+++ b/arch/sh/kernel/crash_dump.c
@@ -10,6 +10,9 @@
 #include <linux/io.h>
 #include <asm/uaccess.h>
 
+/* Stores the physical address of elf header of crash image. */
+unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+
 /**
  * copy_oldmem_page - copy one page from "oldmem"
  * @pfn: page frame number to be copied
diff --git a/arch/x86/kernel/crash_dump_32.c b/arch/x86/kernel/crash_dump_32.c
index 72d0c56c1b4..f7cdb3b457a 100644
--- a/arch/x86/kernel/crash_dump_32.c
+++ b/arch/x86/kernel/crash_dump_32.c
@@ -13,6 +13,9 @@
 
 static void *kdump_buf_page;
 
+/* Stores the physical address of elf header of crash image. */
+unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+
 /**
  * copy_oldmem_page - copy one page from "oldmem"
  * @pfn: page frame number to be copied
diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c
index e90a60ef10c..045b36cada6 100644
--- a/arch/x86/kernel/crash_dump_64.c
+++ b/arch/x86/kernel/crash_dump_64.c
@@ -10,6 +10,9 @@
 #include <linux/uaccess.h>
 #include <linux/io.h>
 
+/* Stores the physical address of elf header of crash image. */
+unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+
 /**
  * copy_oldmem_page - copy one page from "oldmem"
  * @pfn: page frame number to be copied
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2255782e8d4..b2c97874ec0 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -561,7 +561,13 @@ static void __init reserve_standard_io_resources(void)
 
 }
 
-#ifdef CONFIG_PROC_VMCORE
+/*
+ * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
+ * is_kdump_kernel() to determine if we are booting after a panic. Hence
+ * ifdef it under CONFIG_CRASH_DUMP and not CONFIG_PROC_VMCORE.
+ */
+
+#ifdef CONFIG_CRASH_DUMP
 /* elfcorehdr= specifies the location of elf core header
  * stored by the crashed kernel. This option will be passed
  * by kexec loader to the capture kernel.
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 841368b87a2..4c65ca432d3 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -32,9 +32,6 @@ static size_t elfcorebuf_sz;
 /* Total size of vmcore file. */
 static u64 vmcore_size;
 
-/* Stores the physical address of elf header of crash image. */
-unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
-
 struct proc_dir_entry *proc_vmcore = NULL;
 
 /* Reads a page from the oldmem device from given offset. */
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 025e4f57510..de027d1db74 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -9,11 +9,7 @@
 
 #define ELFCORE_ADDR_MAX	(-1ULL)
 
-#ifdef CONFIG_PROC_VMCORE
 extern unsigned long long elfcorehdr_addr;
-#else
-static const unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
-#endif
 
 extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
 						unsigned long, int);
@@ -28,6 +24,16 @@ extern struct proc_dir_entry *proc_vmcore;
 
 #define vmcore_elf_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x))
 
+/*
+ * is_kdump_kernel() checks whether this kernel is booting after a panic of
+ * previous kernel or not. This is determined by checking if previous kernel
+ * has passed the elf core header address on command line.
+ *
+ * This is not just a test if CONFIG_CRASH_DUMP is enabled or not. It will
+ * return 1 if CONFIG_CRASH_DUMP=y and if kernel is booting after a panic of
+ * previous kernel.
+ */
+
 static inline int is_kdump_kernel(void)
 {
 	return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0;
-- 
GitLab


From e515a0d60066c802cc605a5d9c446948f7691519 Mon Sep 17 00:00:00 2001
From: Simon Horman <horms@verge.net.au>
Date: Sat, 18 Oct 2008 20:28:27 -0700
Subject: [PATCH 1465/2224] kdump: update elfcorehdr documentation to reflect
 supported architectures

IA64, PPC and SH also support the elfcorehdr command line.

Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/kernel-parameters.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index d4f4875fc7c..b49fcee5e9c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -690,7 +690,7 @@ and is between 256 and 4096 characters. It is defined in the file
 			See Documentation/block/as-iosched.txt and
 			Documentation/block/deadline-iosched.txt for details.
 
-	elfcorehdr=	[X86-32, X86_64]
+	elfcorehdr=	[IA64,PPC,SH,X86-32,X86_64]
 			Specifies physical address of start of kernel core
 			image elf header. Generally kexec loader will
 			pass this option to capture kernel.
-- 
GitLab


From 630bf20747e27391b20f137a5be2edb4235ca8fa Mon Sep 17 00:00:00 2001
From: Simon Horman <horms@verge.net.au>
Date: Sat, 18 Oct 2008 20:28:28 -0700
Subject: [PATCH 1466/2224] kdump: use is_kdump_kernel() in sba_init()

o Make use of is_kdump_kernel() rather than checking elfcorehdr_addr directly.

o Remove CONFIG_CRASH_DUMP as is_kdump_kernel() is safe to call anywhere

o Remove CONFIG_PROC_FS as it is bogus, the check
  should occur regardless of if CONFIG_PROC_FS is set or not.

Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/hp/common/sba_iommu.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index 4956be40d7b..d98f0f4ff83 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -2070,14 +2070,13 @@ sba_init(void)
 	if (!ia64_platform_is("hpzx1") && !ia64_platform_is("hpzx1_swiotlb"))
 		return 0;
 
-#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP) && \
-        defined(CONFIG_PROC_FS)
+#if defined(CONFIG_IA64_GENERIC)
 	/* If we are booting a kdump kernel, the sba_iommu will
 	 * cause devices that were not shutdown properly to MCA
 	 * as soon as they are turned back on.  Our only option for
 	 * a successful kdump kernel boot is to use the swiotlb.
 	 */
-	if (elfcorehdr_addr < ELFCORE_ADDR_MAX) {
+	if (is_kdump_kernel()) {
 		if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0)
 			panic("Unable to initialize software I/O TLB:"
 				  " Try machvec=dig boot option");
-- 
GitLab


From 85a0ee342e0c06c19d78fdf48307211c6cf18fcb Mon Sep 17 00:00:00 2001
From: Simon Horman <horms@verge.net.au>
Date: Sat, 18 Oct 2008 20:28:29 -0700
Subject: [PATCH 1467/2224] kdump: add is_vmcore_usable() and vmcore_unusable()

The usage of elfcorehdr_addr has changed recently such that being set to
ELFCORE_ADDR_MAX is used by is_kdump_kernel() to indicate if the code is
executing in a kernel executed as a crash kernel.

However, arch/ia64/kernel/setup.c:reserve_elfcorehdr will rest
elfcorehdr_addr to ELFCORE_ADDR_MAX on error, which means any subsequent
calls to is_kdump_kernel() will return 0, even though they should return
1.

Ok, at this point in time there are no subsequent calls, but I think its
fair to say that there is ample scope for error or at the very least
confusion.

This patch add an extra state, ELFCORE_ADDR_ERR, which indicates that
elfcorehdr_addr was passed on the command line, and thus execution is
taking place in a crashdump kernel, but vmcore can't be used for some
reason.  This is tested for using is_vmcore_usable() and set using
vmcore_unusable().  A subsequent patch makes use of this new code.

To summarise, the states that elfcorehdr_addr can now be in are as follows:

ELFCORE_ADDR_MAX: not a crashdump kernel
ELFCORE_ADDR_ERR: crashdump kernel but vmcore is unusable
any other value:  crash dump kernel and vmcore is usable

Signed-off-by: Simon Horman <horms@verge.net.au>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/kernel/setup.c   |  4 ++--
 fs/proc/vmcore.c           |  2 +-
 include/linux/crash_dump.h | 24 ++++++++++++++++++++++++
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index a0286be6c23..60286522d54 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -509,11 +509,11 @@ int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
 	 * to work properly.
 	 */
 
-	if (elfcorehdr_addr >= ELFCORE_ADDR_MAX)
+	if (!is_vmcore_usable())
 		return -EINVAL;
 
 	if ((length = vmcore_find_descriptor_size(elfcorehdr_addr)) == 0) {
-		elfcorehdr_addr = ELFCORE_ADDR_MAX;
+		vmcore_unusable();
 		return -EINVAL;
 	}
 
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 4c65ca432d3..cd9ca67f841 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -644,7 +644,7 @@ static int __init vmcore_init(void)
 	int rc = 0;
 
 	/* If elfcorehdr= has been passed in cmdline, then capture the dump.*/
-	if (!(elfcorehdr_addr < ELFCORE_ADDR_MAX))
+	if (!(is_vmcore_usable()))
 		return rc;
 	rc = parse_crash_elf_headers();
 	if (rc) {
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index de027d1db74..0acf3b737e2 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -8,6 +8,7 @@
 #include <linux/proc_fs.h>
 
 #define ELFCORE_ADDR_MAX	(-1ULL)
+#define ELFCORE_ADDR_ERR	(-2ULL)
 
 extern unsigned long long elfcorehdr_addr;
 
@@ -38,6 +39,29 @@ static inline int is_kdump_kernel(void)
 {
 	return (elfcorehdr_addr != ELFCORE_ADDR_MAX) ? 1 : 0;
 }
+
+/* is_vmcore_usable() checks if the kernel is booting after a panic and
+ * the vmcore region is usable.
+ *
+ * This makes use of the fact that due to alignment -2ULL is not
+ * a valid pointer, much in the vain of IS_ERR(), except
+ * dealing directly with an unsigned long long rather than a pointer.
+ */
+
+static inline int is_vmcore_usable(void)
+{
+	return is_kdump_kernel() && elfcorehdr_addr != ELFCORE_ADDR_ERR ? 1 : 0;
+}
+
+/* vmcore_unusable() marks the vmcore as unusable,
+ * without disturbing the logic of is_kdump_kernel()
+ */
+
+static inline void vmcore_unusable(void)
+{
+	if (is_kdump_kernel())
+		elfcorehdr_addr = ELFCORE_ADDR_ERR;
+}
 #else /* !CONFIG_CRASH_DUMP */
 static inline int is_kdump_kernel(void) { return 0; }
 #endif /* CONFIG_CRASH_DUMP */
-- 
GitLab


From d9a9855d0b06ca6d6cc92596fedcc03f8512e062 Mon Sep 17 00:00:00 2001
From: Simon Horman <horms@verge.net.au>
Date: Sat, 18 Oct 2008 20:28:29 -0700
Subject: [PATCH 1468/2224] always reserve elfcore header memory in crash
 kernel

elfcore header memory needs to be reserved in a crash kernel.  This means
that the relevant code should be protected by CONFIG_CRASH_DUMP rather
than CONFIG_PROC_VMCORE.

Signed-off-by: Simon Horman <horms@verge.net.au>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/kernel/efi.c   | 2 +-
 arch/ia64/kernel/setup.c | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 51b75cea701..efaff15d8cf 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -1335,7 +1335,7 @@ kdump_find_rsvd_region (unsigned long size, struct rsvd_region *r, int n)
 }
 #endif
 
-#ifdef CONFIG_PROC_VMCORE
+#ifdef CONFIG_CRASH_DUMP
 /* locate the size find a the descriptor at a certain address */
 unsigned long __init
 vmcore_find_descriptor_size (unsigned long address)
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 60286522d54..916ba898237 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -352,7 +352,7 @@ reserve_memory (void)
 	}
 #endif
 
-#ifdef CONFIG_PROC_VMCORE
+#ifdef CONFIG_CRASH_KERNEL
 	if (reserve_elfcorehdr(&rsvd_region[n].start,
 			       &rsvd_region[n].end) == 0)
 		n++;
@@ -496,9 +496,7 @@ static int __init parse_elfcorehdr(char *arg)
 	return 0;
 }
 early_param("elfcorehdr", parse_elfcorehdr);
-#endif
 
-#ifdef CONFIG_PROC_VMCORE
 int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
 {
 	unsigned long length;
-- 
GitLab


From acd99dbf54020f5c80b9aa2f2ea86f43cb285b02 Mon Sep 17 00:00:00 2001
From: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Date: Sat, 18 Oct 2008 20:28:30 -0700
Subject: [PATCH 1469/2224] kdump: add vmlist.addr to vmcoreinfo for x86
 vmalloc translation.

Add the symbols 'vmlist' and offset 'vm_struct.addr' to the vmcoreinfo[1]
data for i386 vmalloc translation.

makedumpfile[2] needs VMALLOC_START value for distinguishing a vmalloc
address or not, because it should choose suitable translation method.  If
applying this patch, makedumpfile will be able to take VMALLOC_START value
from 'vmlist.addr'.

vmcoreinfo[1]:
The vmcoreinfo data has the minimum debugging information only for dump
filtering. makedumpfile[2] uses it to distinguish unnecessary pages and
creates a small dumpfile.

makedumpfile[2]:
dump filtering command
https://sourceforge.net/projects/makedumpfile/

Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/kexec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/kexec.c b/kernel/kexec.c
index aef265325cd..777ac458ac9 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1371,6 +1371,7 @@ static int __init crash_save_vmcoreinfo_init(void)
 	VMCOREINFO_SYMBOL(node_online_map);
 	VMCOREINFO_SYMBOL(swapper_pg_dir);
 	VMCOREINFO_SYMBOL(_stext);
+	VMCOREINFO_SYMBOL(vmlist);
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 	VMCOREINFO_SYMBOL(mem_map);
@@ -1406,6 +1407,7 @@ static int __init crash_save_vmcoreinfo_init(void)
 	VMCOREINFO_OFFSET(free_area, free_list);
 	VMCOREINFO_OFFSET(list_head, next);
 	VMCOREINFO_OFFSET(list_head, prev);
+	VMCOREINFO_OFFSET(vm_struct, addr);
 	VMCOREINFO_LENGTH(zone.free_area, MAX_ORDER);
 	VMCOREINFO_LENGTH(free_area.free_list, MIGRATE_TYPES);
 	VMCOREINFO_NUMBER(NR_FREE_PAGES);
-- 
GitLab


From b231cca4381ee15ec99afbfb244fbc0324869927 Mon Sep 17 00:00:00 2001
From: Joe Korty <joe.korty@ccur.com>
Date: Sat, 18 Oct 2008 20:28:32 -0700
Subject: [PATCH 1470/2224] message queues: increase range limits

Increase the range of various posix message queue limits.

Posix gives the message queue user the ability to 'trade off' the maximum
size of messages with the number of possible messages that can be 'in
flight'.  Linux currently makes this trade off more restrictive than it
needs to be.

In particular, the maximum message size today can be made no smaller than
8192.  This greatly restricts those applications that would like to have
the ability to post large numbers of very small messages.

So this task lowers the limit that the maximum message size can be set to,
from 8192 to 128.  It also lowers the limit that the maximum #number of
messages in flight can be set to, from 10 to 1.

With these changes the message queue user can make better trade offs
between #messages and message size, in order to get everything to fit
within the setrlimit(RLIMIT_MSGQUEUE) limit for that particular user.

This patch also applies the values in

	/proc/sys/fs/mqueue/msg_max
	/proc/sys/fs/mqueue/msgsize_max

as the defaults for the max #messages allowed and the max message size
allowed, respectively, for those applications that do not supply these.
Previously, the defaults were hardwired to 10 and 8192, respectively.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Joe Korty <joe.korty@ccur.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Manfred Spraul <manfred@colorfullife.com>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 ipc/mqueue.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 96fb36cd987..68eb857cfde 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -52,6 +52,14 @@
 #define HARD_MSGMAX 	(131072/sizeof(void*))
 #define DFLT_MSGSIZEMAX 8192	/* max message size */
 
+/*
+ * Define the ranges various user-specified maximum values can
+ * be set to.
+ */
+#define MIN_MSGMAX	1		/* min value for msg_max */
+#define MAX_MSGMAX	HARD_MSGMAX	/* max value for msg_max */
+#define MIN_MSGSIZEMAX	128		/* min value for msgsize_max */
+#define MAX_MSGSIZEMAX	(8192*128)	/* max value for msgsize_max */
 
 struct ext_wait_queue {		/* queue of sleeping tasks */
 	struct task_struct *task;
@@ -134,8 +142,8 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode,
 			info->qsize = 0;
 			info->user = NULL;	/* set when all is ok */
 			memset(&info->attr, 0, sizeof(info->attr));
-			info->attr.mq_maxmsg = DFLT_MSGMAX;
-			info->attr.mq_msgsize = DFLT_MSGSIZEMAX;
+			info->attr.mq_maxmsg = msg_max;
+			info->attr.mq_msgsize = msgsize_max;
 			if (attr) {
 				info->attr.mq_maxmsg = attr->mq_maxmsg;
 				info->attr.mq_msgsize = attr->mq_msgsize;
@@ -1191,11 +1199,11 @@ static struct file_system_type mqueue_fs_type = {
 	.kill_sb = kill_litter_super,
 };
 
-static int msg_max_limit_min = DFLT_MSGMAX;
-static int msg_max_limit_max = HARD_MSGMAX;
+static int msg_max_limit_min = MIN_MSGMAX;
+static int msg_max_limit_max = MAX_MSGMAX;
 
-static int msg_maxsize_limit_min = DFLT_MSGSIZEMAX;
-static int msg_maxsize_limit_max = INT_MAX;
+static int msg_maxsize_limit_min = MIN_MSGSIZEMAX;
+static int msg_maxsize_limit_max = MAX_MSGSIZEMAX;
 
 static ctl_table mq_sysctls[] = {
 	{
-- 
GitLab


From b64fd291acd8c921b4757faed1d4dded31c27edf Mon Sep 17 00:00:00 2001
From: Andre Haupt <andre@bitwigglers.org>
Date: Sat, 18 Oct 2008 20:28:33 -0700
Subject: [PATCH 1471/2224] pc8736x_gpio: add support for PC87365 chips

This is only compile tested, because I do not own appropriate hardware.

Signed-off-by: Andre Haupt <andre@bitwigglers.org>
Cc: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/pc8736x_gpio.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index b930de50407..3f7da8cf3a8 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -41,7 +41,8 @@ static u8 pc8736x_gpio_shadow[4];
 #define SIO_BASE2       0x4E	/* alt command-reg to check */
 
 #define SIO_SID		0x20	/* SuperI/O ID Register */
-#define SIO_SID_VALUE	0xe9	/* Expected value in SuperI/O ID Register */
+#define SIO_SID_PC87365	0xe5	/* Expected value in ID Register for PC87365 */
+#define SIO_SID_PC87366	0xe9	/* Expected value in ID Register for PC87366 */
 
 #define SIO_CF1		0x21	/* chip config, bit0 is chip enable */
 
@@ -91,13 +92,17 @@ static inline int superio_inb(int addr)
 
 static int pc8736x_superio_present(void)
 {
+	int id;
+
 	/* try the 2 possible values, read a hardware reg to verify */
 	superio_cmd = SIO_BASE1;
-	if (superio_inb(SIO_SID) == SIO_SID_VALUE)
+	id = superio_inb(SIO_SID);
+	if (id == SIO_SID_PC87365 || id == SIO_SID_PC87366)
 		return superio_cmd;
 
 	superio_cmd = SIO_BASE2;
-	if (superio_inb(SIO_SID) == SIO_SID_VALUE)
+	id = superio_inb(SIO_SID);
+	if (id == SIO_SID_PC87365 || id == SIO_SID_PC87366)
 		return superio_cmd;
 
 	return 0;
-- 
GitLab


From 3b274f44d2ca05f719fe39947b6a5293a2dbd8fd Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Sat, 18 Oct 2008 20:28:35 -0700
Subject: [PATCH 1472/2224] edac cell: fix incorrect edac_mode

The cell_edac driver is setting the edac_mode field of the csrow's to an
incorrect value, causing the sysfs show routine for that field to go out
of an array bound and Oopsing the kernel when used.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Cc: <stable@kernel.org>		[2.6.27.x, 2.6.26.x. 2.6.25.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/edac/cell_edac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/edac/cell_edac.c b/drivers/edac/cell_edac.c
index 0e024fe2d8c..887072f5dc8 100644
--- a/drivers/edac/cell_edac.c
+++ b/drivers/edac/cell_edac.c
@@ -142,7 +142,7 @@ static void __devinit cell_edac_init_csrows(struct mem_ctl_info *mci)
 		csrow->nr_pages = (r.end - r.start + 1) >> PAGE_SHIFT;
 		csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
 		csrow->mtype = MEM_XDR;
-		csrow->edac_mode = EDAC_FLAG_EC | EDAC_FLAG_SECDED;
+		csrow->edac_mode = EDAC_SECDED;
 		dev_dbg(mci->dev,
 			"Initialized on node %d, chanmask=0x%x,"
 			" first_page=0x%lx, nr_pages=0x%x\n",
-- 
GitLab


From b8e465f4945bc0e9f324e3bbe15f5180a8e9a6fe Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Sat, 18 Oct 2008 20:28:35 -0700
Subject: [PATCH 1473/2224] byteorder: add new headers for make headers-install

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/Kbuild | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index bf9aca548f1..e531783e5d7 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -183,6 +183,7 @@ unifdef-y += auto_fs.h
 unifdef-y += auxvec.h
 unifdef-y += binfmts.h
 unifdef-y += blktrace_api.h
+unifdef-y += byteorder.h
 unifdef-y += capability.h
 unifdef-y += capi.h
 unifdef-y += cciss_ioctl.h
@@ -340,6 +341,7 @@ unifdef-y += soundcard.h
 unifdef-y += stat.h
 unifdef-y += stddef.h
 unifdef-y += string.h
+unifdef-y += swab.h
 unifdef-y += synclink.h
 unifdef-y += sysctl.h
 unifdef-y += tcp.h
-- 
GitLab


From acf0108a84edae22b99655eb2f6f6c9f7ec4d449 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Sat, 18 Oct 2008 20:28:36 -0700
Subject: [PATCH 1474/2224] byteorder: use generic C version for value
 byteswapping

This makes the new implementation of the byteorder helpers match the old
in how it degraded when an arch-defined version was not available:

1) swab()
	- look for arch defined
	- if not, use generic c version

2) swabp()
	- look for arch-defined
	- if not, deref pointer and use swab()

3) swabs()
	- look for arch defined
	- if not, use swabp

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/swab.h | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/include/linux/swab.h b/include/linux/swab.h
index 270d5c208a8..bbed279f3b3 100644
--- a/include/linux/swab.h
+++ b/include/linux/swab.h
@@ -47,8 +47,6 @@ static inline __attribute_const__ __u16 ___swab16(__u16 val)
 {
 #ifdef __arch_swab16
 	return __arch_swab16(val);
-#elif defined(__arch_swab16p)
-	return __arch_swab16p(&val);
 #else
 	return __const_swab16(val);
 #endif
@@ -58,8 +56,6 @@ static inline __attribute_const__ __u32 ___swab32(__u32 val)
 {
 #ifdef __arch_swab32
 	return __arch_swab32(val);
-#elif defined(__arch_swab32p)
-	return __arch_swab32p(&val);
 #else
 	return __const_swab32(val);
 #endif
@@ -69,8 +65,6 @@ static inline __attribute_const__ __u64 ___swab64(__u64 val)
 {
 #ifdef __arch_swab64
 	return __arch_swab64(val);
-#elif defined(__arch_swab64p)
-	return __arch_swab64p(&val);
 #elif defined(__SWAB_64_THRU_32__)
 	__u32 h = val >> 32;
 	__u32 l = val & ((1ULL << 32) - 1);
@@ -84,8 +78,6 @@ static inline __attribute_const__ __u32 ___swahw32(__u32 val)
 {
 #ifdef __arch_swahw32
 	return __arch_swahw32(val);
-#elif defined(__arch_swahw32p)
-	return __arch_swahw32p(&val);
 #else
 	return __const_swahw32(val);
 #endif
@@ -95,8 +87,6 @@ static inline __attribute_const__ __u32 ___swahb32(__u32 val)
 {
 #ifdef __arch_swahb32
 	return __arch_swahb32(val);
-#elif defined(__arch_swahb32p)
-	return __arch_swahb32p(&val);
 #else
 	return __const_swahb32(val);
 #endif
-- 
GitLab


From 1d8cca44b6a244b7e378546d719041819049a0f9 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Sat, 18 Oct 2008 20:28:37 -0700
Subject: [PATCH 1475/2224] byteorder: provide swabb.h generically in
 asm/byteorder.h

This is needed during the transition to the new byteorder headers as the
swabb.h functionality will be provided from asm/byteorder.h in the new
version.  To avoid breakage on arches still using the old implementation,
provide swabb.h from asm/byteorder.h as well.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/byteorder/Kbuild          | 1 +
 include/linux/byteorder/big_endian.h    | 1 +
 include/linux/byteorder/little_endian.h | 1 +
 3 files changed, 3 insertions(+)

diff --git a/include/linux/byteorder/Kbuild b/include/linux/byteorder/Kbuild
index 1133d5f9d81..fbaa7f9cee3 100644
--- a/include/linux/byteorder/Kbuild
+++ b/include/linux/byteorder/Kbuild
@@ -1,3 +1,4 @@
 unifdef-y += big_endian.h
 unifdef-y += little_endian.h
 unifdef-y += swab.h
+unifdef-y += swabb.h
diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index 44f95b92393..1cba3f3efe5 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -10,6 +10,7 @@
 
 #include <linux/types.h>
 #include <linux/byteorder/swab.h>
+#include <linux/byteorder/swabb.h>
 
 #define __constant_htonl(x) ((__force __be32)(__u32)(x))
 #define __constant_ntohl(x) ((__force __u32)(__be32)(x))
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index 4cc170a3176..cedc1b5a289 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -10,6 +10,7 @@
 
 #include <linux/types.h>
 #include <linux/byteorder/swab.h>
+#include <linux/byteorder/swabb.h>
 
 #define __constant_htonl(x) ((__force __be32)___constant_swab32((x)))
 #define __constant_ntohl(x) ___constant_swab32((__force __be32)(x))
-- 
GitLab


From 1a651a00e20fd4997f0b91258f6f95b7d96edcd9 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Sat, 18 Oct 2008 20:28:37 -0700
Subject: [PATCH 1476/2224] byteorder: remove direct includes of
 linux/byteorder/swab[b].h

A consolidated implementation will provide this generically through
asm/byteorder, remove direct includes to avoid breakage when the
changeover to the new implementation occurs.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Acked-by: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/media/dvb/ttpci/av7110.c       | 2 +-
 drivers/media/video/cx18/cx18-driver.h | 1 +
 drivers/media/video/ivtv/ivtv-driver.h | 1 +
 kernel/rcupreempt.c                    | 2 +-
 4 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/dvb/ttpci/av7110.c b/drivers/media/dvb/ttpci/av7110.c
index c7c770c2898..aa1ff524256 100644
--- a/drivers/media/dvb/ttpci/av7110.c
+++ b/drivers/media/dvb/ttpci/av7110.c
@@ -36,7 +36,6 @@
 #include <linux/fs.h>
 #include <linux/timer.h>
 #include <linux/poll.h>
-#include <linux/byteorder/swabb.h>
 #include <linux/smp_lock.h>
 
 #include <linux/kernel.h>
@@ -52,6 +51,7 @@
 #include <linux/i2c.h>
 #include <linux/kthread.h>
 #include <asm/unaligned.h>
+#include <asm/byteorder.h>
 
 #include <asm/system.h>
 
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h
index fa8be0731a3..a4b1708fafe 100644
--- a/drivers/media/video/cx18/cx18-driver.h
+++ b/drivers/media/video/cx18/cx18-driver.h
@@ -41,6 +41,7 @@
 #include <linux/pagemap.h>
 #include <linux/workqueue.h>
 #include <linux/mutex.h>
+#include <asm/byteorder.h>
 
 #include <linux/dvb/video.h>
 #include <linux/dvb/audio.h>
diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h
index bc29436e8a3..3733b2afec5 100644
--- a/drivers/media/video/ivtv/ivtv-driver.h
+++ b/drivers/media/video/ivtv/ivtv-driver.h
@@ -55,6 +55,7 @@
 #include <linux/mutex.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
+#include <asm/byteorder.h>
 
 #include <linux/dvb/video.h>
 #include <linux/dvb/audio.h>
diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c
index ca4bbbe04aa..59236e8b9da 100644
--- a/kernel/rcupreempt.c
+++ b/kernel/rcupreempt.c
@@ -54,9 +54,9 @@
 #include <linux/cpu.h>
 #include <linux/random.h>
 #include <linux/delay.h>
-#include <linux/byteorder/swabb.h>
 #include <linux/cpumask.h>
 #include <linux/rcupreempt_trace.h>
+#include <asm/byteorder.h>
 
 /*
  * PREEMPT_RCU data structures.
-- 
GitLab


From fdd2e5f88a259a537bb239e0c03c973cb6ea402a Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:38 -0700
Subject: [PATCH 1477/2224] make mm/rmap.c:anon_vma_cachep static

This patch makes the needlessly global anon_vma_cachep static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/rmap.h | 12 ------------
 mm/rmap.c            | 12 +++++++++++-
 2 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 1da48db8db0..89f0564b10c 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -39,18 +39,6 @@ struct anon_vma {
 
 #ifdef CONFIG_MMU
 
-extern struct kmem_cache *anon_vma_cachep;
-
-static inline struct anon_vma *anon_vma_alloc(void)
-{
-	return kmem_cache_alloc(anon_vma_cachep, GFP_KERNEL);
-}
-
-static inline void anon_vma_free(struct anon_vma *anon_vma)
-{
-	kmem_cache_free(anon_vma_cachep, anon_vma);
-}
-
 static inline void anon_vma_lock(struct vm_area_struct *vma)
 {
 	struct anon_vma *anon_vma = vma->anon_vma;
diff --git a/mm/rmap.c b/mm/rmap.c
index 8701d5fce73..10993942d6c 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -55,7 +55,17 @@
 
 #include "internal.h"
 
-struct kmem_cache *anon_vma_cachep;
+static struct kmem_cache *anon_vma_cachep;
+
+static inline struct anon_vma *anon_vma_alloc(void)
+{
+	return kmem_cache_alloc(anon_vma_cachep, GFP_KERNEL);
+}
+
+static inline void anon_vma_free(struct anon_vma *anon_vma)
+{
+	kmem_cache_free(anon_vma_cachep, anon_vma);
+}
 
 /**
  * anon_vma_prepare - attach an anon_vma to a memory region
-- 
GitLab


From ab527d75787c16114bcf2bc1b98bef18c67bb57c Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:39 -0700
Subject: [PATCH 1478/2224] acpi: use bcd2bin/bin2bcd

Change ACPI to use the new bcd2bin/bin2bcd functions instead of the
obsolete BCD_TO_BIN/BIN_TO_BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/acpi/sleep/proc.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index bf5b04de02d..631ee2ee2ca 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -120,13 +120,13 @@ static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		BCD_TO_BIN(sec);
-		BCD_TO_BIN(min);
-		BCD_TO_BIN(hr);
-		BCD_TO_BIN(day);
-		BCD_TO_BIN(mo);
-		BCD_TO_BIN(yr);
-		BCD_TO_BIN(cent);
+		sec = bcd2bin(sec);
+		min = bcd2bin(min);
+		hr = bcd2bin(hr);
+		day = bcd2bin(day);
+		mo = bcd2bin(mo);
+		yr = bcd2bin(yr);
+		cent = bcd2bin(cent);
 	}
 
 	/* we're trusting the FADT (see above) */
@@ -204,7 +204,7 @@ static u32 cmos_bcd_read(int offset, int rtc_control)
 {
 	u32 val = CMOS_READ(offset);
 	if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		BCD_TO_BIN(val);
+		val = bcd2bin(val);
 	return val;
 }
 
@@ -212,7 +212,7 @@ static u32 cmos_bcd_read(int offset, int rtc_control)
 static void cmos_bcd_write(u32 val, int offset, int rtc_control)
 {
 	if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		BIN_TO_BCD(val);
+		val = bin2bcd(val);
 	CMOS_WRITE(val, offset);
 }
 
-- 
GitLab


From 18b1bd054991266d19413e155e371b5e25c98cb7 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:39 -0700
Subject: [PATCH 1479/2224] alpha: use bcd2bin/bin2bcd

Change alpha to use the new bcd2bin/bin2bcd functions instead of the
obsolete BCD_TO_BIN/BIN_TO_BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/alpha/kernel/core_marvel.c |  4 ++--
 arch/alpha/kernel/time.c        | 18 +++++++++---------
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index 04dcc5e5d4c..9cd8dca742a 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -655,7 +655,7 @@ __marvel_rtc_io(u8 b, unsigned long addr, int write)
 
 	case 0x71:					/* RTC_PORT(1) */
 		rtc_access.index = index;
-		rtc_access.data = BCD_TO_BIN(b);
+		rtc_access.data = bcd2bin(b);
 		rtc_access.function = 0x48 + !write;	/* GET/PUT_TOY */
 
 #ifdef CONFIG_SMP
@@ -668,7 +668,7 @@ __marvel_rtc_io(u8 b, unsigned long addr, int write)
 #else
 		__marvel_access_rtc(&rtc_access);
 #endif
-		ret = BIN_TO_BCD(rtc_access.data);
+		ret = bin2bcd(rtc_access.data);
 		break;
 
 	default:
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 75480cab089..e6a231435cb 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -346,12 +346,12 @@ time_init(void)
 	year = CMOS_READ(RTC_YEAR);
 
 	if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		BCD_TO_BIN(sec);
-		BCD_TO_BIN(min);
-		BCD_TO_BIN(hour);
-		BCD_TO_BIN(day);
-		BCD_TO_BIN(mon);
-		BCD_TO_BIN(year);
+		sec = bcd2bin(sec);
+		min = bcd2bin(min);
+		hour = bcd2bin(hour);
+		day = bcd2bin(day);
+		mon = bcd2bin(mon);
+		year = bcd2bin(year);
 	}
 
 	/* PC-like is standard; used for year >= 70 */
@@ -525,7 +525,7 @@ set_rtc_mmss(unsigned long nowtime)
 
 	cmos_minutes = CMOS_READ(RTC_MINUTES);
 	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		BCD_TO_BIN(cmos_minutes);
+		cmos_minutes = bcd2bin(cmos_minutes);
 
 	/*
 	 * since we're only adjusting minutes and seconds,
@@ -543,8 +543,8 @@ set_rtc_mmss(unsigned long nowtime)
 
 	if (abs(real_minutes - cmos_minutes) < 30) {
 		if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-			BIN_TO_BCD(real_seconds);
-			BIN_TO_BCD(real_minutes);
+			real_seconds = bin2bcd(real_seconds);
+			real_minutes = bin2bcd(real_minutes);
 		}
 		CMOS_WRITE(real_seconds,RTC_SECONDS);
 		CMOS_WRITE(real_minutes,RTC_MINUTES);
-- 
GitLab


From 4110a0d6206bd175419cc5503f80cc296d184cbf Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:40 -0700
Subject: [PATCH 1480/2224] cris: use bcd2bin/bin2bcd

Change cris to use the new bcd2bin/bin2bcd functions instead of the
obsolete BCD_TO_BIN/BIN_TO_BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Chris Zankel <zankel@tensilica.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/cris/arch-v10/drivers/ds1302.c  | 24 ++++++++++++------------
 arch/cris/arch-v10/drivers/pcf8563.c | 24 ++++++++++++------------
 arch/cris/arch-v32/drivers/pcf8563.c | 24 ++++++++++++------------
 arch/cris/kernel/time.c              | 18 +++++++++---------
 4 files changed, 45 insertions(+), 45 deletions(-)

diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c
index c9aa3904be0..3bdfaf43390 100644
--- a/arch/cris/arch-v10/drivers/ds1302.c
+++ b/arch/cris/arch-v10/drivers/ds1302.c
@@ -215,12 +215,12 @@ get_rtc_time(struct rtc_time *rtc_tm)
 
 	local_irq_restore(flags);
 	
-	BCD_TO_BIN(rtc_tm->tm_sec);
-	BCD_TO_BIN(rtc_tm->tm_min);
-	BCD_TO_BIN(rtc_tm->tm_hour);
-	BCD_TO_BIN(rtc_tm->tm_mday);
-	BCD_TO_BIN(rtc_tm->tm_mon);
-	BCD_TO_BIN(rtc_tm->tm_year);
+	rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+	rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+	rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+	rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+	rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+	rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
 
 	/*
 	 * Account for differences between how the RTC uses the values
@@ -295,12 +295,12 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 			else
 				yrs -= 1900;	/* RTC (70, 71, ... 99) */
 
-			BIN_TO_BCD(sec);
-			BIN_TO_BCD(min);
-			BIN_TO_BCD(hrs);
-			BIN_TO_BCD(day);
-			BIN_TO_BCD(mon);
-			BIN_TO_BCD(yrs);
+			sec = bin2bcd(sec);
+			min = bin2bcd(min);
+			hrs = bin2bcd(hrs);
+			day = bin2bcd(day);
+			mon = bin2bcd(mon);
+			yrs = bin2bcd(yrs);
 
 			local_irq_save(flags);
 			CMOS_WRITE(yrs, RTC_YEAR);
diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c
index 8769dc91407..1e90c1a9c84 100644
--- a/arch/cris/arch-v10/drivers/pcf8563.c
+++ b/arch/cris/arch-v10/drivers/pcf8563.c
@@ -122,7 +122,7 @@ get_rtc_time(struct rtc_time *tm)
 		       "information is no longer guaranteed!\n", PCF8563_NAME);
 	}
 
-	tm->tm_year  = BCD_TO_BIN(tm->tm_year) +
+	tm->tm_year  = bcd2bin(tm->tm_year) +
 		       ((tm->tm_mon & 0x80) ? 100 : 0);
 	tm->tm_sec  &= 0x7F;
 	tm->tm_min  &= 0x7F;
@@ -131,11 +131,11 @@ get_rtc_time(struct rtc_time *tm)
 	tm->tm_wday &= 0x07; /* Not coded in BCD. */
 	tm->tm_mon  &= 0x1F;
 
-	BCD_TO_BIN(tm->tm_sec);
-	BCD_TO_BIN(tm->tm_min);
-	BCD_TO_BIN(tm->tm_hour);
-	BCD_TO_BIN(tm->tm_mday);
-	BCD_TO_BIN(tm->tm_mon);
+	tm->tm_sec = bcd2bin(tm->tm_sec);
+	tm->tm_min = bcd2bin(tm->tm_min);
+	tm->tm_hour = bcd2bin(tm->tm_hour);
+	tm->tm_mday = bcd2bin(tm->tm_mday);
+	tm->tm_mon = bcd2bin(tm->tm_mon);
 	tm->tm_mon--; /* Month is 1..12 in RTC but 0..11 in linux */
 }
 
@@ -282,12 +282,12 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		century = (tm.tm_year >= 2000) ? 0x80 : 0;
 		tm.tm_year = tm.tm_year % 100;
 
-		BIN_TO_BCD(tm.tm_year);
-		BIN_TO_BCD(tm.tm_mon);
-		BIN_TO_BCD(tm.tm_mday);
-		BIN_TO_BCD(tm.tm_hour);
-		BIN_TO_BCD(tm.tm_min);
-		BIN_TO_BCD(tm.tm_sec);
+		tm.tm_year = bin2bcd(tm.tm_year);
+		tm.tm_mon = bin2bcd(tm.tm_mon);
+		tm.tm_mday = bin2bcd(tm.tm_mday);
+		tm.tm_hour = bin2bcd(tm.tm_hour);
+		tm.tm_min = bin2bcd(tm.tm_min);
+		tm.tm_sec = bin2bcd(tm.tm_sec);
 		tm.tm_mon |= century;
 
 		mutex_lock(&rtc_lock);
diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c
index f263ab57122..f4478506e52 100644
--- a/arch/cris/arch-v32/drivers/pcf8563.c
+++ b/arch/cris/arch-v32/drivers/pcf8563.c
@@ -118,7 +118,7 @@ get_rtc_time(struct rtc_time *tm)
 		       "information is no longer guaranteed!\n", PCF8563_NAME);
 	}
 
-	tm->tm_year  = BCD_TO_BIN(tm->tm_year) +
+	tm->tm_year  = bcd2bin(tm->tm_year) +
 		       ((tm->tm_mon & 0x80) ? 100 : 0);
 	tm->tm_sec  &= 0x7F;
 	tm->tm_min  &= 0x7F;
@@ -127,11 +127,11 @@ get_rtc_time(struct rtc_time *tm)
 	tm->tm_wday &= 0x07; /* Not coded in BCD. */
 	tm->tm_mon  &= 0x1F;
 
-	BCD_TO_BIN(tm->tm_sec);
-	BCD_TO_BIN(tm->tm_min);
-	BCD_TO_BIN(tm->tm_hour);
-	BCD_TO_BIN(tm->tm_mday);
-	BCD_TO_BIN(tm->tm_mon);
+	tm->tm_sec = bcd2bin(tm->tm_sec);
+	tm->tm_min = bcd2bin(tm->tm_min);
+	tm->tm_hour = bcd2bin(tm->tm_hour);
+	tm->tm_mday = bcd2bin(tm->tm_mday);
+	tm->tm_mon = bcd2bin(tm->tm_mon);
 	tm->tm_mon--; /* Month is 1..12 in RTC but 0..11 in linux */
 }
 
@@ -279,12 +279,12 @@ int pcf8563_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		century = (tm.tm_year >= 2000) ? 0x80 : 0;
 		tm.tm_year = tm.tm_year % 100;
 
-		BIN_TO_BCD(tm.tm_year);
-		BIN_TO_BCD(tm.tm_mon);
-		BIN_TO_BCD(tm.tm_mday);
-		BIN_TO_BCD(tm.tm_hour);
-		BIN_TO_BCD(tm.tm_min);
-		BIN_TO_BCD(tm.tm_sec);
+		tm.tm_year = bin2bcd(tm.tm_year);
+		tm.tm_mon = bin2bcd(tm.tm_mon);
+		tm.tm_mday = bin2bcd(tm.tm_mday);
+		tm.tm_hour = bin2bcd(tm.tm_hour);
+		tm.tm_min = bin2bcd(tm.tm_min);
+		tm.tm_sec = bin2bcd(tm.tm_sec);
 		tm.tm_mon |= century;
 
 		mutex_lock(&rtc_lock);
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
index ff4c6aa75de..074fe7dea96 100644
--- a/arch/cris/kernel/time.c
+++ b/arch/cris/kernel/time.c
@@ -127,7 +127,7 @@ int set_rtc_mmss(unsigned long nowtime)
 		return 0;
 
 	cmos_minutes = CMOS_READ(RTC_MINUTES);
-	BCD_TO_BIN(cmos_minutes);
+	cmos_minutes = bcd2bin(cmos_minutes);
 
 	/*
 	 * since we're only adjusting minutes and seconds,
@@ -142,8 +142,8 @@ int set_rtc_mmss(unsigned long nowtime)
 	real_minutes %= 60;
 
 	if (abs(real_minutes - cmos_minutes) < 30) {
-		BIN_TO_BCD(real_seconds);
-		BIN_TO_BCD(real_minutes);
+		real_seconds = bin2bcd(real_seconds);
+		real_minutes = bin2bcd(real_minutes);
 		CMOS_WRITE(real_seconds,RTC_SECONDS);
 		CMOS_WRITE(real_minutes,RTC_MINUTES);
 	} else {
@@ -170,12 +170,12 @@ get_cmos_time(void)
 	mon = CMOS_READ(RTC_MONTH);
 	year = CMOS_READ(RTC_YEAR);
 
-	BCD_TO_BIN(sec);
-	BCD_TO_BIN(min);
-	BCD_TO_BIN(hour);
-	BCD_TO_BIN(day);
-	BCD_TO_BIN(mon);
-	BCD_TO_BIN(year);
+	sec = bcd2bin(sec);
+	min = bcd2bin(min);
+	hour = bcd2bin(hour);
+	day = bcd2bin(day);
+	mon = bcd2bin(mon);
+	year = bcd2bin(year);
 
 	if ((year += 1900) < 1970)
 		year += 100;
-- 
GitLab


From fe20ba70abf7d6e5855c3dacc729490b3d0d077f Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:41 -0700
Subject: [PATCH 1481/2224] drivers/rtc/: use bcd2bin/bin2bcd

Change drivers/rtc/ to use the new bcd2bin/bin2bcd functions instead of
the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-at91rm9200.c | 42 +++++++++++++--------------
 drivers/rtc/rtc-cmos.c       | 20 ++++++-------
 drivers/rtc/rtc-ds1216.c     | 26 ++++++++---------
 drivers/rtc/rtc-ds1302.c     | 28 +++++++++---------
 drivers/rtc/rtc-ds1305.c     | 38 ++++++++++++------------
 drivers/rtc/rtc-ds1307.c     | 40 +++++++++++++-------------
 drivers/rtc/rtc-ds1511.c     | 42 +++++++++++++--------------
 drivers/rtc/rtc-ds1553.c     | 38 ++++++++++++------------
 drivers/rtc/rtc-ds1742.c     | 30 +++++++++----------
 drivers/rtc/rtc-fm3130.c     | 56 ++++++++++++++++++------------------
 drivers/rtc/rtc-isl1208.c    | 42 +++++++++++++--------------
 drivers/rtc/rtc-m41t80.c     | 44 ++++++++++++++--------------
 drivers/rtc/rtc-m41t94.c     | 28 +++++++++---------
 drivers/rtc/rtc-m48t59.c     | 48 +++++++++++++++----------------
 drivers/rtc/rtc-m48t86.c     | 28 +++++++++---------
 drivers/rtc/rtc-max6900.c    | 32 ++++++++++-----------
 drivers/rtc/rtc-max6902.c    | 32 ++++++++++-----------
 drivers/rtc/rtc-omap.c       | 24 ++++++++--------
 drivers/rtc/rtc-pcf8563.c    | 24 ++++++++--------
 drivers/rtc/rtc-pcf8583.c    | 20 ++++++-------
 drivers/rtc/rtc-r9701.c      | 24 ++++++++--------
 drivers/rtc/rtc-rs5c313.c    | 28 +++++++++---------
 drivers/rtc/rtc-rs5c348.c    | 30 +++++++++----------
 drivers/rtc/rtc-rs5c372.c    | 42 +++++++++++++--------------
 drivers/rtc/rtc-s35390a.c    | 34 +++++++++++-----------
 drivers/rtc/rtc-s3c.c        | 42 +++++++++++++--------------
 drivers/rtc/rtc-sh.c         | 40 +++++++++++++-------------
 drivers/rtc/rtc-stk17ta8.c   | 38 ++++++++++++------------
 drivers/rtc/rtc-v3020.c      | 28 +++++++++---------
 drivers/rtc/rtc-x1205.c      | 30 +++++++++----------
 30 files changed, 509 insertions(+), 509 deletions(-)

diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 37082616482..b5bf9370691 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -53,21 +53,21 @@ static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg,
 	} while ((time != at91_sys_read(timereg)) ||
 			(date != at91_sys_read(calreg)));
 
-	tm->tm_sec  = BCD2BIN((time & AT91_RTC_SEC) >> 0);
-	tm->tm_min  = BCD2BIN((time & AT91_RTC_MIN) >> 8);
-	tm->tm_hour = BCD2BIN((time & AT91_RTC_HOUR) >> 16);
+	tm->tm_sec  = bcd2bin((time & AT91_RTC_SEC) >> 0);
+	tm->tm_min  = bcd2bin((time & AT91_RTC_MIN) >> 8);
+	tm->tm_hour = bcd2bin((time & AT91_RTC_HOUR) >> 16);
 
 	/*
 	 * The Calendar Alarm register does not have a field for
 	 * the year - so these will return an invalid value.  When an
 	 * alarm is set, at91_alarm_year wille store the current year.
 	 */
-	tm->tm_year  = BCD2BIN(date & AT91_RTC_CENT) * 100;	/* century */
-	tm->tm_year += BCD2BIN((date & AT91_RTC_YEAR) >> 8);	/* year */
+	tm->tm_year  = bcd2bin(date & AT91_RTC_CENT) * 100;	/* century */
+	tm->tm_year += bcd2bin((date & AT91_RTC_YEAR) >> 8);	/* year */
 
-	tm->tm_wday = BCD2BIN((date & AT91_RTC_DAY) >> 21) - 1;	/* day of the week [0-6], Sunday=0 */
-	tm->tm_mon  = BCD2BIN((date & AT91_RTC_MONTH) >> 16) - 1;
-	tm->tm_mday = BCD2BIN((date & AT91_RTC_DATE) >> 24);
+	tm->tm_wday = bcd2bin((date & AT91_RTC_DAY) >> 21) - 1;	/* day of the week [0-6], Sunday=0 */
+	tm->tm_mon  = bcd2bin((date & AT91_RTC_MONTH) >> 16) - 1;
+	tm->tm_mday = bcd2bin((date & AT91_RTC_DATE) >> 24);
 }
 
 /*
@@ -106,16 +106,16 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
 	at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
 
 	at91_sys_write(AT91_RTC_TIMR,
-			  BIN2BCD(tm->tm_sec) << 0
-			| BIN2BCD(tm->tm_min) << 8
-			| BIN2BCD(tm->tm_hour) << 16);
+			  bin2bcd(tm->tm_sec) << 0
+			| bin2bcd(tm->tm_min) << 8
+			| bin2bcd(tm->tm_hour) << 16);
 
 	at91_sys_write(AT91_RTC_CALR,
-			  BIN2BCD((tm->tm_year + 1900) / 100)	/* century */
-			| BIN2BCD(tm->tm_year % 100) << 8	/* year */
-			| BIN2BCD(tm->tm_mon + 1) << 16		/* tm_mon starts at zero */
-			| BIN2BCD(tm->tm_wday + 1) << 21	/* day of the week [0-6], Sunday=0 */
-			| BIN2BCD(tm->tm_mday) << 24);
+			  bin2bcd((tm->tm_year + 1900) / 100)	/* century */
+			| bin2bcd(tm->tm_year % 100) << 8	/* year */
+			| bin2bcd(tm->tm_mon + 1) << 16		/* tm_mon starts at zero */
+			| bin2bcd(tm->tm_wday + 1) << 21	/* day of the week [0-6], Sunday=0 */
+			| bin2bcd(tm->tm_mday) << 24);
 
 	/* Restart Time/Calendar */
 	cr = at91_sys_read(AT91_RTC_CR);
@@ -162,13 +162,13 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
 	at91_sys_write(AT91_RTC_TIMALR,
-		  BIN2BCD(tm.tm_sec) << 0
-		| BIN2BCD(tm.tm_min) << 8
-		| BIN2BCD(tm.tm_hour) << 16
+		  bin2bcd(tm.tm_sec) << 0
+		| bin2bcd(tm.tm_min) << 8
+		| bin2bcd(tm.tm_hour) << 16
 		| AT91_RTC_HOUREN | AT91_RTC_MINEN | AT91_RTC_SECEN);
 	at91_sys_write(AT91_RTC_CALALR,
-		  BIN2BCD(tm.tm_mon + 1) << 16		/* tm_mon starts at zero */
-		| BIN2BCD(tm.tm_mday) << 24
+		  bin2bcd(tm.tm_mon + 1) << 16		/* tm_mon starts at zero */
+		| bin2bcd(tm.tm_mday) << 24
 		| AT91_RTC_DATEEN | AT91_RTC_MTHEN);
 
 	if (alrm->enabled) {
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index f1695d7fa0f..957365e4a74 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -240,26 +240,26 @@ static int cmos_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 	/* REVISIT this assumes PC style usage:  always BCD */
 
 	if (((unsigned)t->time.tm_sec) < 0x60)
-		t->time.tm_sec = BCD2BIN(t->time.tm_sec);
+		t->time.tm_sec = bcd2bin(t->time.tm_sec);
 	else
 		t->time.tm_sec = -1;
 	if (((unsigned)t->time.tm_min) < 0x60)
-		t->time.tm_min = BCD2BIN(t->time.tm_min);
+		t->time.tm_min = bcd2bin(t->time.tm_min);
 	else
 		t->time.tm_min = -1;
 	if (((unsigned)t->time.tm_hour) < 0x24)
-		t->time.tm_hour = BCD2BIN(t->time.tm_hour);
+		t->time.tm_hour = bcd2bin(t->time.tm_hour);
 	else
 		t->time.tm_hour = -1;
 
 	if (cmos->day_alrm) {
 		if (((unsigned)t->time.tm_mday) <= 0x31)
-			t->time.tm_mday = BCD2BIN(t->time.tm_mday);
+			t->time.tm_mday = bcd2bin(t->time.tm_mday);
 		else
 			t->time.tm_mday = -1;
 		if (cmos->mon_alrm) {
 			if (((unsigned)t->time.tm_mon) <= 0x12)
-				t->time.tm_mon = BCD2BIN(t->time.tm_mon) - 1;
+				t->time.tm_mon = bcd2bin(t->time.tm_mon) - 1;
 			else
 				t->time.tm_mon = -1;
 		}
@@ -331,19 +331,19 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 	/* Writing 0xff means "don't care" or "match all".  */
 
 	mon = t->time.tm_mon + 1;
-	mon = (mon <= 12) ? BIN2BCD(mon) : 0xff;
+	mon = (mon <= 12) ? bin2bcd(mon) : 0xff;
 
 	mday = t->time.tm_mday;
-	mday = (mday >= 1 && mday <= 31) ? BIN2BCD(mday) : 0xff;
+	mday = (mday >= 1 && mday <= 31) ? bin2bcd(mday) : 0xff;
 
 	hrs = t->time.tm_hour;
-	hrs = (hrs < 24) ? BIN2BCD(hrs) : 0xff;
+	hrs = (hrs < 24) ? bin2bcd(hrs) : 0xff;
 
 	min = t->time.tm_min;
-	min = (min < 60) ? BIN2BCD(min) : 0xff;
+	min = (min < 60) ? bin2bcd(min) : 0xff;
 
 	sec = t->time.tm_sec;
-	sec = (sec < 60) ? BIN2BCD(sec) : 0xff;
+	sec = (sec < 60) ? bin2bcd(sec) : 0xff;
 
 	spin_lock_irq(&rtc_lock);
 
diff --git a/drivers/rtc/rtc-ds1216.c b/drivers/rtc/rtc-ds1216.c
index 0b17770b032..9a234a4ec06 100644
--- a/drivers/rtc/rtc-ds1216.c
+++ b/drivers/rtc/rtc-ds1216.c
@@ -86,19 +86,19 @@ static int ds1216_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	ds1216_switch_ds_to_clock(priv->ioaddr);
 	ds1216_read(priv->ioaddr, (u8 *)&regs);
 
-	tm->tm_sec = BCD2BIN(regs.sec);
-	tm->tm_min = BCD2BIN(regs.min);
+	tm->tm_sec = bcd2bin(regs.sec);
+	tm->tm_min = bcd2bin(regs.min);
 	if (regs.hour & DS1216_HOUR_1224) {
 		/* AM/PM mode */
-		tm->tm_hour = BCD2BIN(regs.hour & 0x1f);
+		tm->tm_hour = bcd2bin(regs.hour & 0x1f);
 		if (regs.hour & DS1216_HOUR_AMPM)
 			tm->tm_hour += 12;
 	} else
-		tm->tm_hour = BCD2BIN(regs.hour & 0x3f);
+		tm->tm_hour = bcd2bin(regs.hour & 0x3f);
 	tm->tm_wday = (regs.wday & 7) - 1;
-	tm->tm_mday = BCD2BIN(regs.mday & 0x3f);
-	tm->tm_mon = BCD2BIN(regs.month & 0x1f);
-	tm->tm_year = BCD2BIN(regs.year);
+	tm->tm_mday = bcd2bin(regs.mday & 0x3f);
+	tm->tm_mon = bcd2bin(regs.month & 0x1f);
+	tm->tm_year = bcd2bin(regs.year);
 	if (tm->tm_year < 70)
 		tm->tm_year += 100;
 	return 0;
@@ -114,19 +114,19 @@ static int ds1216_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	ds1216_read(priv->ioaddr, (u8 *)&regs);
 
 	regs.tsec = 0; /* clear 0.1 and 0.01 seconds */
-	regs.sec = BIN2BCD(tm->tm_sec);
-	regs.min = BIN2BCD(tm->tm_min);
+	regs.sec = bin2bcd(tm->tm_sec);
+	regs.min = bin2bcd(tm->tm_min);
 	regs.hour &= DS1216_HOUR_1224;
 	if (regs.hour && tm->tm_hour > 12) {
 		regs.hour |= DS1216_HOUR_AMPM;
 		tm->tm_hour -= 12;
 	}
-	regs.hour |= BIN2BCD(tm->tm_hour);
+	regs.hour |= bin2bcd(tm->tm_hour);
 	regs.wday &= ~7;
 	regs.wday |= tm->tm_wday;
-	regs.mday = BIN2BCD(tm->tm_mday);
-	regs.month = BIN2BCD(tm->tm_mon);
-	regs.year = BIN2BCD(tm->tm_year % 100);
+	regs.mday = bin2bcd(tm->tm_mday);
+	regs.month = bin2bcd(tm->tm_mon);
+	regs.year = bin2bcd(tm->tm_year % 100);
 
 	ds1216_switch_ds_to_clock(priv->ioaddr);
 	ds1216_write(priv->ioaddr, (u8 *)&regs);
diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index b9397818f73..16bdba6a6b0 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -107,13 +107,13 @@ static int ds1302_rtc_read_time(struct device *dev, struct rtc_time *tm)
 
 	spin_lock_irq(&rtc->lock);
 
-	tm->tm_sec	= BCD2BIN(ds1302_readbyte(RTC_ADDR_SEC));
-	tm->tm_min	= BCD2BIN(ds1302_readbyte(RTC_ADDR_MIN));
-	tm->tm_hour	= BCD2BIN(ds1302_readbyte(RTC_ADDR_HOUR));
-	tm->tm_wday	= BCD2BIN(ds1302_readbyte(RTC_ADDR_DAY));
-	tm->tm_mday	= BCD2BIN(ds1302_readbyte(RTC_ADDR_DATE));
-	tm->tm_mon	= BCD2BIN(ds1302_readbyte(RTC_ADDR_MON)) - 1;
-	tm->tm_year	= BCD2BIN(ds1302_readbyte(RTC_ADDR_YEAR));
+	tm->tm_sec	= bcd2bin(ds1302_readbyte(RTC_ADDR_SEC));
+	tm->tm_min	= bcd2bin(ds1302_readbyte(RTC_ADDR_MIN));
+	tm->tm_hour	= bcd2bin(ds1302_readbyte(RTC_ADDR_HOUR));
+	tm->tm_wday	= bcd2bin(ds1302_readbyte(RTC_ADDR_DAY));
+	tm->tm_mday	= bcd2bin(ds1302_readbyte(RTC_ADDR_DATE));
+	tm->tm_mon	= bcd2bin(ds1302_readbyte(RTC_ADDR_MON)) - 1;
+	tm->tm_year	= bcd2bin(ds1302_readbyte(RTC_ADDR_YEAR));
 
 	if (tm->tm_year < 70)
 		tm->tm_year += 100;
@@ -141,13 +141,13 @@ static int ds1302_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	/* Stop RTC */
 	ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) | 0x80);
 
-	ds1302_writebyte(RTC_ADDR_SEC, BIN2BCD(tm->tm_sec));
-	ds1302_writebyte(RTC_ADDR_MIN, BIN2BCD(tm->tm_min));
-	ds1302_writebyte(RTC_ADDR_HOUR, BIN2BCD(tm->tm_hour));
-	ds1302_writebyte(RTC_ADDR_DAY, BIN2BCD(tm->tm_wday));
-	ds1302_writebyte(RTC_ADDR_DATE, BIN2BCD(tm->tm_mday));
-	ds1302_writebyte(RTC_ADDR_MON, BIN2BCD(tm->tm_mon + 1));
-	ds1302_writebyte(RTC_ADDR_YEAR, BIN2BCD(tm->tm_year % 100));
+	ds1302_writebyte(RTC_ADDR_SEC, bin2bcd(tm->tm_sec));
+	ds1302_writebyte(RTC_ADDR_MIN, bin2bcd(tm->tm_min));
+	ds1302_writebyte(RTC_ADDR_HOUR, bin2bcd(tm->tm_hour));
+	ds1302_writebyte(RTC_ADDR_DAY, bin2bcd(tm->tm_wday));
+	ds1302_writebyte(RTC_ADDR_DATE, bin2bcd(tm->tm_mday));
+	ds1302_writebyte(RTC_ADDR_MON, bin2bcd(tm->tm_mon + 1));
+	ds1302_writebyte(RTC_ADDR_YEAR, bin2bcd(tm->tm_year % 100));
 
 	/* Start RTC */
 	ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) & ~0x80);
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index b91d02a3ace..57b470f3fc0 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -114,10 +114,10 @@ static unsigned bcd2hour(u8 bcd)
 			hour = 12;
 			bcd &= ~DS1305_HR_PM;
 		}
-		hour += BCD2BIN(bcd);
+		hour += bcd2bin(bcd);
 		return hour - 1;
 	}
-	return BCD2BIN(bcd);
+	return bcd2bin(bcd);
 }
 
 static u8 hour2bcd(bool hr12, int hour)
@@ -125,11 +125,11 @@ static u8 hour2bcd(bool hr12, int hour)
 	if (hr12) {
 		hour++;
 		if (hour <= 12)
-			return DS1305_HR_12 | BIN2BCD(hour);
+			return DS1305_HR_12 | bin2bcd(hour);
 		hour -= 12;
-		return DS1305_HR_12 | DS1305_HR_PM | BIN2BCD(hour);
+		return DS1305_HR_12 | DS1305_HR_PM | bin2bcd(hour);
 	}
-	return BIN2BCD(hour);
+	return bin2bcd(hour);
 }
 
 /*----------------------------------------------------------------------*/
@@ -206,13 +206,13 @@ static int ds1305_get_time(struct device *dev, struct rtc_time *time)
 		buf[4], buf[5], buf[6]);
 
 	/* Decode the registers */
-	time->tm_sec = BCD2BIN(buf[DS1305_SEC]);
-	time->tm_min = BCD2BIN(buf[DS1305_MIN]);
+	time->tm_sec = bcd2bin(buf[DS1305_SEC]);
+	time->tm_min = bcd2bin(buf[DS1305_MIN]);
 	time->tm_hour = bcd2hour(buf[DS1305_HOUR]);
 	time->tm_wday = buf[DS1305_WDAY] - 1;
-	time->tm_mday = BCD2BIN(buf[DS1305_MDAY]);
-	time->tm_mon = BCD2BIN(buf[DS1305_MON]) - 1;
-	time->tm_year = BCD2BIN(buf[DS1305_YEAR]) + 100;
+	time->tm_mday = bcd2bin(buf[DS1305_MDAY]);
+	time->tm_mon = bcd2bin(buf[DS1305_MON]) - 1;
+	time->tm_year = bcd2bin(buf[DS1305_YEAR]) + 100;
 
 	dev_vdbg(dev, "%s secs=%d, mins=%d, "
 		"hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -239,13 +239,13 @@ static int ds1305_set_time(struct device *dev, struct rtc_time *time)
 	/* Write registers starting at the first time/date address. */
 	*bp++ = DS1305_WRITE | DS1305_SEC;
 
-	*bp++ = BIN2BCD(time->tm_sec);
-	*bp++ = BIN2BCD(time->tm_min);
+	*bp++ = bin2bcd(time->tm_sec);
+	*bp++ = bin2bcd(time->tm_min);
 	*bp++ = hour2bcd(ds1305->hr12, time->tm_hour);
 	*bp++ = (time->tm_wday < 7) ? (time->tm_wday + 1) : 1;
-	*bp++ = BIN2BCD(time->tm_mday);
-	*bp++ = BIN2BCD(time->tm_mon + 1);
-	*bp++ = BIN2BCD(time->tm_year - 100);
+	*bp++ = bin2bcd(time->tm_mday);
+	*bp++ = bin2bcd(time->tm_mon + 1);
+	*bp++ = bin2bcd(time->tm_year - 100);
 
 	dev_dbg(dev, "%s: %02x %02x %02x, %02x %02x %02x %02x\n",
 		"write", buf[1], buf[2], buf[3],
@@ -329,8 +329,8 @@ static int ds1305_get_alarm(struct device *dev, struct rtc_wkalrm *alm)
 	 * fill in the rest ... and also handle rollover to tomorrow when
 	 * that's needed.
 	 */
-	alm->time.tm_sec = BCD2BIN(buf[DS1305_SEC]);
-	alm->time.tm_min = BCD2BIN(buf[DS1305_MIN]);
+	alm->time.tm_sec = bcd2bin(buf[DS1305_SEC]);
+	alm->time.tm_min = bcd2bin(buf[DS1305_MIN]);
 	alm->time.tm_hour = bcd2hour(buf[DS1305_HOUR]);
 	alm->time.tm_mday = -1;
 	alm->time.tm_mon = -1;
@@ -387,8 +387,8 @@ static int ds1305_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
 
 	/* write alarm */
 	buf[0] = DS1305_WRITE | DS1305_ALM0(DS1305_SEC);
-	buf[1 + DS1305_SEC] = BIN2BCD(alm->time.tm_sec);
-	buf[1 + DS1305_MIN] = BIN2BCD(alm->time.tm_min);
+	buf[1 + DS1305_SEC] = bin2bcd(alm->time.tm_sec);
+	buf[1 + DS1305_MIN] = bin2bcd(alm->time.tm_min);
 	buf[1 + DS1305_HOUR] = hour2bcd(ds1305->hr12, alm->time.tm_hour);
 	buf[1 + DS1305_WDAY] = DS1305_ALM_DISABLE;
 
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 4fcf0734a6e..cad23bcfebd 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -222,17 +222,17 @@ static int ds1307_get_time(struct device *dev, struct rtc_time *t)
 			ds1307->regs[4], ds1307->regs[5],
 			ds1307->regs[6]);
 
-	t->tm_sec = BCD2BIN(ds1307->regs[DS1307_REG_SECS] & 0x7f);
-	t->tm_min = BCD2BIN(ds1307->regs[DS1307_REG_MIN] & 0x7f);
+	t->tm_sec = bcd2bin(ds1307->regs[DS1307_REG_SECS] & 0x7f);
+	t->tm_min = bcd2bin(ds1307->regs[DS1307_REG_MIN] & 0x7f);
 	tmp = ds1307->regs[DS1307_REG_HOUR] & 0x3f;
-	t->tm_hour = BCD2BIN(tmp);
-	t->tm_wday = BCD2BIN(ds1307->regs[DS1307_REG_WDAY] & 0x07) - 1;
-	t->tm_mday = BCD2BIN(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
+	t->tm_hour = bcd2bin(tmp);
+	t->tm_wday = bcd2bin(ds1307->regs[DS1307_REG_WDAY] & 0x07) - 1;
+	t->tm_mday = bcd2bin(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
 	tmp = ds1307->regs[DS1307_REG_MONTH] & 0x1f;
-	t->tm_mon = BCD2BIN(tmp) - 1;
+	t->tm_mon = bcd2bin(tmp) - 1;
 
 	/* assume 20YY not 19YY, and ignore DS1337_BIT_CENTURY */
-	t->tm_year = BCD2BIN(ds1307->regs[DS1307_REG_YEAR]) + 100;
+	t->tm_year = bcd2bin(ds1307->regs[DS1307_REG_YEAR]) + 100;
 
 	dev_dbg(dev, "%s secs=%d, mins=%d, "
 		"hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -258,16 +258,16 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
 		t->tm_mon, t->tm_year, t->tm_wday);
 
 	*buf++ = 0;		/* first register addr */
-	buf[DS1307_REG_SECS] = BIN2BCD(t->tm_sec);
-	buf[DS1307_REG_MIN] = BIN2BCD(t->tm_min);
-	buf[DS1307_REG_HOUR] = BIN2BCD(t->tm_hour);
-	buf[DS1307_REG_WDAY] = BIN2BCD(t->tm_wday + 1);
-	buf[DS1307_REG_MDAY] = BIN2BCD(t->tm_mday);
-	buf[DS1307_REG_MONTH] = BIN2BCD(t->tm_mon + 1);
+	buf[DS1307_REG_SECS] = bin2bcd(t->tm_sec);
+	buf[DS1307_REG_MIN] = bin2bcd(t->tm_min);
+	buf[DS1307_REG_HOUR] = bin2bcd(t->tm_hour);
+	buf[DS1307_REG_WDAY] = bin2bcd(t->tm_wday + 1);
+	buf[DS1307_REG_MDAY] = bin2bcd(t->tm_mday);
+	buf[DS1307_REG_MONTH] = bin2bcd(t->tm_mon + 1);
 
 	/* assume 20YY not 19YY */
 	tmp = t->tm_year - 100;
-	buf[DS1307_REG_YEAR] = BIN2BCD(tmp);
+	buf[DS1307_REG_YEAR] = bin2bcd(tmp);
 
 	switch (ds1307->type) {
 	case ds_1337:
@@ -709,18 +709,18 @@ read_rtc:
 	}
 
 	tmp = ds1307->regs[DS1307_REG_SECS];
-	tmp = BCD2BIN(tmp & 0x7f);
+	tmp = bcd2bin(tmp & 0x7f);
 	if (tmp > 60)
 		goto exit_bad;
-	tmp = BCD2BIN(ds1307->regs[DS1307_REG_MIN] & 0x7f);
+	tmp = bcd2bin(ds1307->regs[DS1307_REG_MIN] & 0x7f);
 	if (tmp > 60)
 		goto exit_bad;
 
-	tmp = BCD2BIN(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
+	tmp = bcd2bin(ds1307->regs[DS1307_REG_MDAY] & 0x3f);
 	if (tmp == 0 || tmp > 31)
 		goto exit_bad;
 
-	tmp = BCD2BIN(ds1307->regs[DS1307_REG_MONTH] & 0x1f);
+	tmp = bcd2bin(ds1307->regs[DS1307_REG_MONTH] & 0x1f);
 	if (tmp == 0 || tmp > 12)
 		goto exit_bad;
 
@@ -739,14 +739,14 @@ read_rtc:
 		/* Be sure we're in 24 hour mode.  Multi-master systems
 		 * take note...
 		 */
-		tmp = BCD2BIN(tmp & 0x1f);
+		tmp = bcd2bin(tmp & 0x1f);
 		if (tmp == 12)
 			tmp = 0;
 		if (ds1307->regs[DS1307_REG_HOUR] & DS1307_BIT_PM)
 			tmp += 12;
 		i2c_smbus_write_byte_data(client,
 				DS1307_REG_HOUR,
-				BIN2BCD(tmp));
+				bin2bcd(tmp));
 	}
 
 	ds1307->rtc = rtc_device_register(client->name, &client->dev,
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 86981d34fbb..7bb0a962ad2 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -153,8 +153,8 @@ ds1511_wdog_set(unsigned long deciseconds)
 	/*
 	 * set the wdog values in the wdog registers
 	 */
-	rtc_write(BIN2BCD(deciseconds % 100), DS1511_WD_MSEC);
-	rtc_write(BIN2BCD(deciseconds / 100), DS1511_WD_SEC);
+	rtc_write(bin2bcd(deciseconds % 100), DS1511_WD_MSEC);
+	rtc_write(bin2bcd(deciseconds / 100), DS1511_WD_SEC);
 	/*
 	 * set wdog enable and wdog 'steering' bit to issue a reset
 	 */
@@ -220,13 +220,13 @@ static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
 	/*
 	 * each register is a different number of valid bits
 	 */
-	sec = BIN2BCD(sec) & 0x7f;
-	min = BIN2BCD(min) & 0x7f;
-	hrs = BIN2BCD(hrs) & 0x3f;
-	day = BIN2BCD(day) & 0x3f;
-	mon = BIN2BCD(mon) & 0x1f;
-	yrs = BIN2BCD(yrs) & 0xff;
-	cen = BIN2BCD(cen) & 0xff;
+	sec = bin2bcd(sec) & 0x7f;
+	min = bin2bcd(min) & 0x7f;
+	hrs = bin2bcd(hrs) & 0x3f;
+	day = bin2bcd(day) & 0x3f;
+	mon = bin2bcd(mon) & 0x1f;
+	yrs = bin2bcd(yrs) & 0xff;
+	cen = bin2bcd(cen) & 0xff;
 
 	spin_lock_irqsave(&ds1511_lock, flags);
 	rtc_disable_update();
@@ -264,14 +264,14 @@ static int ds1511_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
 	rtc_enable_update();
 	spin_unlock_irqrestore(&ds1511_lock, flags);
 
-	rtc_tm->tm_sec = BCD2BIN(rtc_tm->tm_sec);
-	rtc_tm->tm_min = BCD2BIN(rtc_tm->tm_min);
-	rtc_tm->tm_hour = BCD2BIN(rtc_tm->tm_hour);
-	rtc_tm->tm_mday = BCD2BIN(rtc_tm->tm_mday);
-	rtc_tm->tm_wday = BCD2BIN(rtc_tm->tm_wday);
-	rtc_tm->tm_mon = BCD2BIN(rtc_tm->tm_mon);
-	rtc_tm->tm_year = BCD2BIN(rtc_tm->tm_year);
-	century = BCD2BIN(century) * 100;
+	rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+	rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+	rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+	rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+	rtc_tm->tm_wday = bcd2bin(rtc_tm->tm_wday);
+	rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+	rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
+	century = bcd2bin(century) * 100;
 
 	/*
 	 * Account for differences between how the RTC uses the values
@@ -304,16 +304,16 @@ ds1511_rtc_update_alarm(struct rtc_plat_data *pdata)
 
 	spin_lock_irqsave(&pdata->rtc->irq_lock, flags);
 	rtc_write(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_mday) & 0x3f,
+	       0x80 : bin2bcd(pdata->alrm_mday) & 0x3f,
 	       RTC_ALARM_DATE);
 	rtc_write(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_hour) & 0x3f,
+	       0x80 : bin2bcd(pdata->alrm_hour) & 0x3f,
 	       RTC_ALARM_HOUR);
 	rtc_write(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_min) & 0x7f,
+	       0x80 : bin2bcd(pdata->alrm_min) & 0x7f,
 	       RTC_ALARM_MIN);
 	rtc_write(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_sec) & 0x7f,
+	       0x80 : bin2bcd(pdata->alrm_sec) & 0x7f,
 	       RTC_ALARM_SEC);
 	rtc_write(rtc_read(RTC_CMD) | (pdata->irqen ? RTC_TIE : 0), RTC_CMD);
 	rtc_read(RTC_CMD1);	/* clear interrupts */
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 4ef59285b48..b9475cd2021 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -78,17 +78,17 @@ static int ds1553_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	void __iomem *ioaddr = pdata->ioaddr;
 	u8 century;
 
-	century = BIN2BCD((tm->tm_year + 1900) / 100);
+	century = bin2bcd((tm->tm_year + 1900) / 100);
 
 	writeb(RTC_WRITE, pdata->ioaddr + RTC_CONTROL);
 
-	writeb(BIN2BCD(tm->tm_year % 100), ioaddr + RTC_YEAR);
-	writeb(BIN2BCD(tm->tm_mon + 1), ioaddr + RTC_MONTH);
-	writeb(BIN2BCD(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
-	writeb(BIN2BCD(tm->tm_mday), ioaddr + RTC_DATE);
-	writeb(BIN2BCD(tm->tm_hour), ioaddr + RTC_HOURS);
-	writeb(BIN2BCD(tm->tm_min), ioaddr + RTC_MINUTES);
-	writeb(BIN2BCD(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
+	writeb(bin2bcd(tm->tm_year % 100), ioaddr + RTC_YEAR);
+	writeb(bin2bcd(tm->tm_mon + 1), ioaddr + RTC_MONTH);
+	writeb(bin2bcd(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
+	writeb(bin2bcd(tm->tm_mday), ioaddr + RTC_DATE);
+	writeb(bin2bcd(tm->tm_hour), ioaddr + RTC_HOURS);
+	writeb(bin2bcd(tm->tm_min), ioaddr + RTC_MINUTES);
+	writeb(bin2bcd(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
 
 	/* RTC_CENTURY and RTC_CONTROL share same register */
 	writeb(RTC_WRITE | (century & RTC_CENTURY_MASK), ioaddr + RTC_CENTURY);
@@ -118,14 +118,14 @@ static int ds1553_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	year = readb(ioaddr + RTC_YEAR);
 	century = readb(ioaddr + RTC_CENTURY) & RTC_CENTURY_MASK;
 	writeb(0, ioaddr + RTC_CONTROL);
-	tm->tm_sec = BCD2BIN(second);
-	tm->tm_min = BCD2BIN(minute);
-	tm->tm_hour = BCD2BIN(hour);
-	tm->tm_mday = BCD2BIN(day);
-	tm->tm_wday = BCD2BIN(week);
-	tm->tm_mon = BCD2BIN(month) - 1;
+	tm->tm_sec = bcd2bin(second);
+	tm->tm_min = bcd2bin(minute);
+	tm->tm_hour = bcd2bin(hour);
+	tm->tm_mday = bcd2bin(day);
+	tm->tm_wday = bcd2bin(week);
+	tm->tm_mon = bcd2bin(month) - 1;
 	/* year is 1900 + tm->tm_year */
-	tm->tm_year = BCD2BIN(year) + BCD2BIN(century) * 100 - 1900;
+	tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
 
 	if (rtc_valid_tm(tm) < 0) {
 		dev_err(dev, "retrieved date/time is not valid.\n");
@@ -141,16 +141,16 @@ static void ds1553_rtc_update_alarm(struct rtc_plat_data *pdata)
 
 	spin_lock_irqsave(&pdata->rtc->irq_lock, flags);
 	writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_mday),
+	       0x80 : bin2bcd(pdata->alrm_mday),
 	       ioaddr + RTC_DATE_ALARM);
 	writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_hour),
+	       0x80 : bin2bcd(pdata->alrm_hour),
 	       ioaddr + RTC_HOURS_ALARM);
 	writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_min),
+	       0x80 : bin2bcd(pdata->alrm_min),
 	       ioaddr + RTC_MINUTES_ALARM);
 	writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_sec),
+	       0x80 : bin2bcd(pdata->alrm_sec),
 	       ioaddr + RTC_SECONDS_ALARM);
 	writeb(pdata->irqen ? RTC_INTS_AE : 0, ioaddr + RTC_INTERRUPTS);
 	readb(ioaddr + RTC_FLAGS);	/* clear interrupts */
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 24d35ede2db..8bc8501bffc 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -66,17 +66,17 @@ static int ds1742_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	void __iomem *ioaddr = pdata->ioaddr_rtc;
 	u8 century;
 
-	century = BIN2BCD((tm->tm_year + 1900) / 100);
+	century = bin2bcd((tm->tm_year + 1900) / 100);
 
 	writeb(RTC_WRITE, ioaddr + RTC_CONTROL);
 
-	writeb(BIN2BCD(tm->tm_year % 100), ioaddr + RTC_YEAR);
-	writeb(BIN2BCD(tm->tm_mon + 1), ioaddr + RTC_MONTH);
-	writeb(BIN2BCD(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
-	writeb(BIN2BCD(tm->tm_mday), ioaddr + RTC_DATE);
-	writeb(BIN2BCD(tm->tm_hour), ioaddr + RTC_HOURS);
-	writeb(BIN2BCD(tm->tm_min), ioaddr + RTC_MINUTES);
-	writeb(BIN2BCD(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
+	writeb(bin2bcd(tm->tm_year % 100), ioaddr + RTC_YEAR);
+	writeb(bin2bcd(tm->tm_mon + 1), ioaddr + RTC_MONTH);
+	writeb(bin2bcd(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
+	writeb(bin2bcd(tm->tm_mday), ioaddr + RTC_DATE);
+	writeb(bin2bcd(tm->tm_hour), ioaddr + RTC_HOURS);
+	writeb(bin2bcd(tm->tm_min), ioaddr + RTC_MINUTES);
+	writeb(bin2bcd(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
 
 	/* RTC_CENTURY and RTC_CONTROL share same register */
 	writeb(RTC_WRITE | (century & RTC_CENTURY_MASK), ioaddr + RTC_CENTURY);
@@ -106,14 +106,14 @@ static int ds1742_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	year = readb(ioaddr + RTC_YEAR);
 	century = readb(ioaddr + RTC_CENTURY) & RTC_CENTURY_MASK;
 	writeb(0, ioaddr + RTC_CONTROL);
-	tm->tm_sec = BCD2BIN(second);
-	tm->tm_min = BCD2BIN(minute);
-	tm->tm_hour = BCD2BIN(hour);
-	tm->tm_mday = BCD2BIN(day);
-	tm->tm_wday = BCD2BIN(week);
-	tm->tm_mon = BCD2BIN(month) - 1;
+	tm->tm_sec = bcd2bin(second);
+	tm->tm_min = bcd2bin(minute);
+	tm->tm_hour = bcd2bin(hour);
+	tm->tm_mday = bcd2bin(day);
+	tm->tm_wday = bcd2bin(week);
+	tm->tm_mon = bcd2bin(month) - 1;
 	/* year is 1900 + tm->tm_year */
-	tm->tm_year = BCD2BIN(year) + BCD2BIN(century) * 100 - 1900;
+	tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
 
 	if (rtc_valid_tm(tm) < 0) {
 		dev_err(dev, "retrieved date/time is not valid.\n");
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index abfdfcbaa05..3a7be11cc6b 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -131,17 +131,17 @@ static int fm3130_get_time(struct device *dev, struct rtc_time *t)
 			fm3130->regs[0xc], fm3130->regs[0xd],
 			fm3130->regs[0xe]);
 
-	t->tm_sec = BCD2BIN(fm3130->regs[FM3130_RTC_SECONDS] & 0x7f);
-	t->tm_min = BCD2BIN(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
+	t->tm_sec = bcd2bin(fm3130->regs[FM3130_RTC_SECONDS] & 0x7f);
+	t->tm_min = bcd2bin(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
 	tmp = fm3130->regs[FM3130_RTC_HOURS] & 0x3f;
-	t->tm_hour = BCD2BIN(tmp);
-	t->tm_wday = BCD2BIN(fm3130->regs[FM3130_RTC_DAY] & 0x07) - 1;
-	t->tm_mday = BCD2BIN(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
+	t->tm_hour = bcd2bin(tmp);
+	t->tm_wday = bcd2bin(fm3130->regs[FM3130_RTC_DAY] & 0x07) - 1;
+	t->tm_mday = bcd2bin(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
 	tmp = fm3130->regs[FM3130_RTC_MONTHS] & 0x1f;
-	t->tm_mon = BCD2BIN(tmp) - 1;
+	t->tm_mon = bcd2bin(tmp) - 1;
 
 	/* assume 20YY not 19YY, and ignore CF bit */
-	t->tm_year = BCD2BIN(fm3130->regs[FM3130_RTC_YEARS]) + 100;
+	t->tm_year = bcd2bin(fm3130->regs[FM3130_RTC_YEARS]) + 100;
 
 	dev_dbg(dev, "%s secs=%d, mins=%d, "
 		"hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -167,16 +167,16 @@ static int fm3130_set_time(struct device *dev, struct rtc_time *t)
 		t->tm_mon, t->tm_year, t->tm_wday);
 
 	/* first register addr */
-	buf[FM3130_RTC_SECONDS] = BIN2BCD(t->tm_sec);
-	buf[FM3130_RTC_MINUTES] = BIN2BCD(t->tm_min);
-	buf[FM3130_RTC_HOURS] = BIN2BCD(t->tm_hour);
-	buf[FM3130_RTC_DAY] = BIN2BCD(t->tm_wday + 1);
-	buf[FM3130_RTC_DATE] = BIN2BCD(t->tm_mday);
-	buf[FM3130_RTC_MONTHS] = BIN2BCD(t->tm_mon + 1);
+	buf[FM3130_RTC_SECONDS] = bin2bcd(t->tm_sec);
+	buf[FM3130_RTC_MINUTES] = bin2bcd(t->tm_min);
+	buf[FM3130_RTC_HOURS] = bin2bcd(t->tm_hour);
+	buf[FM3130_RTC_DAY] = bin2bcd(t->tm_wday + 1);
+	buf[FM3130_RTC_DATE] = bin2bcd(t->tm_mday);
+	buf[FM3130_RTC_MONTHS] = bin2bcd(t->tm_mon + 1);
 
 	/* assume 20YY not 19YY */
 	tmp = t->tm_year - 100;
-	buf[FM3130_RTC_YEARS] = BIN2BCD(tmp);
+	buf[FM3130_RTC_YEARS] = bin2bcd(tmp);
 
 	dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x"
 		"%02x %02x %02x %02x %02x %02x %02x %02x\n",
@@ -222,11 +222,11 @@ static int fm3130_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 			fm3130->regs[FM3130_ALARM_MONTHS]);
 
 
-	tm->tm_sec	= BCD2BIN(fm3130->regs[FM3130_ALARM_SECONDS] & 0x7F);
-	tm->tm_min	= BCD2BIN(fm3130->regs[FM3130_ALARM_MINUTES] & 0x7F);
-	tm->tm_hour	= BCD2BIN(fm3130->regs[FM3130_ALARM_HOURS] & 0x3F);
-	tm->tm_mday	= BCD2BIN(fm3130->regs[FM3130_ALARM_DATE] & 0x3F);
-	tm->tm_mon	= BCD2BIN(fm3130->regs[FM3130_ALARM_MONTHS] & 0x1F);
+	tm->tm_sec	= bcd2bin(fm3130->regs[FM3130_ALARM_SECONDS] & 0x7F);
+	tm->tm_min	= bcd2bin(fm3130->regs[FM3130_ALARM_MINUTES] & 0x7F);
+	tm->tm_hour	= bcd2bin(fm3130->regs[FM3130_ALARM_HOURS] & 0x3F);
+	tm->tm_mday	= bcd2bin(fm3130->regs[FM3130_ALARM_DATE] & 0x3F);
+	tm->tm_mon	= bcd2bin(fm3130->regs[FM3130_ALARM_MONTHS] & 0x1F);
 	if (tm->tm_mon > 0)
 		tm->tm_mon -= 1; /* RTC is 1-12, tm_mon is 0-11 */
 	dev_dbg(dev, "%s secs=%d, mins=%d, "
@@ -252,23 +252,23 @@ static int fm3130_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	if (tm->tm_sec != -1)
 		fm3130->regs[FM3130_ALARM_SECONDS] =
-			BIN2BCD(tm->tm_sec) | 0x80;
+			bin2bcd(tm->tm_sec) | 0x80;
 
 	if (tm->tm_min != -1)
 		fm3130->regs[FM3130_ALARM_MINUTES] =
-			BIN2BCD(tm->tm_min) | 0x80;
+			bin2bcd(tm->tm_min) | 0x80;
 
 	if (tm->tm_hour != -1)
 		fm3130->regs[FM3130_ALARM_HOURS] =
-			BIN2BCD(tm->tm_hour) | 0x80;
+			bin2bcd(tm->tm_hour) | 0x80;
 
 	if (tm->tm_mday != -1)
 		fm3130->regs[FM3130_ALARM_DATE] =
-			BIN2BCD(tm->tm_mday) | 0x80;
+			bin2bcd(tm->tm_mday) | 0x80;
 
 	if (tm->tm_mon != -1)
 		fm3130->regs[FM3130_ALARM_MONTHS] =
-			BIN2BCD(tm->tm_mon + 1) | 0x80;
+			bin2bcd(tm->tm_mon + 1) | 0x80;
 
 	dev_dbg(dev, "alarm write %02x %02x %02x %02x %02x\n",
 			fm3130->regs[FM3130_ALARM_SECONDS],
@@ -414,18 +414,18 @@ static int __devinit fm3130_probe(struct i2c_client *client,
 	/* TODO */
 	/* TODO need to sanity check alarm */
 	tmp = fm3130->regs[FM3130_RTC_SECONDS];
-	tmp = BCD2BIN(tmp & 0x7f);
+	tmp = bcd2bin(tmp & 0x7f);
 	if (tmp > 60)
 		goto exit_bad;
-	tmp = BCD2BIN(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
+	tmp = bcd2bin(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
 	if (tmp > 60)
 		goto exit_bad;
 
-	tmp = BCD2BIN(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
+	tmp = bcd2bin(fm3130->regs[FM3130_RTC_DATE] & 0x3f);
 	if (tmp == 0 || tmp > 31)
 		goto exit_bad;
 
-	tmp = BCD2BIN(fm3130->regs[FM3130_RTC_MONTHS] & 0x1f);
+	tmp = bcd2bin(fm3130->regs[FM3130_RTC_MONTHS] & 0x1f);
 	if (tmp == 0 || tmp > 12)
 		goto exit_bad;
 
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index a81adab6e51..2cd77ab8fc6 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -259,26 +259,26 @@ isl1208_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
 		return sr;
 	}
 
-	tm->tm_sec = BCD2BIN(regs[ISL1208_REG_SC]);
-	tm->tm_min = BCD2BIN(regs[ISL1208_REG_MN]);
+	tm->tm_sec = bcd2bin(regs[ISL1208_REG_SC]);
+	tm->tm_min = bcd2bin(regs[ISL1208_REG_MN]);
 
 	/* HR field has a more complex interpretation */
 	{
 		const u8 _hr = regs[ISL1208_REG_HR];
 		if (_hr & ISL1208_REG_HR_MIL)	/* 24h format */
-			tm->tm_hour = BCD2BIN(_hr & 0x3f);
+			tm->tm_hour = bcd2bin(_hr & 0x3f);
 		else {
 			/* 12h format */
-			tm->tm_hour = BCD2BIN(_hr & 0x1f);
+			tm->tm_hour = bcd2bin(_hr & 0x1f);
 			if (_hr & ISL1208_REG_HR_PM)	/* PM flag set */
 				tm->tm_hour += 12;
 		}
 	}
 
-	tm->tm_mday = BCD2BIN(regs[ISL1208_REG_DT]);
-	tm->tm_mon = BCD2BIN(regs[ISL1208_REG_MO]) - 1;	/* rtc starts at 1 */
-	tm->tm_year = BCD2BIN(regs[ISL1208_REG_YR]) + 100;
-	tm->tm_wday = BCD2BIN(regs[ISL1208_REG_DW]);
+	tm->tm_mday = bcd2bin(regs[ISL1208_REG_DT]);
+	tm->tm_mon = bcd2bin(regs[ISL1208_REG_MO]) - 1;	/* rtc starts at 1 */
+	tm->tm_year = bcd2bin(regs[ISL1208_REG_YR]) + 100;
+	tm->tm_wday = bcd2bin(regs[ISL1208_REG_DW]);
 
 	return 0;
 }
@@ -305,13 +305,13 @@ isl1208_i2c_read_alarm(struct i2c_client *client, struct rtc_wkalrm *alarm)
 	}
 
 	/* MSB of each alarm register is an enable bit */
-	tm->tm_sec = BCD2BIN(regs[ISL1208_REG_SCA - ISL1208_REG_SCA] & 0x7f);
-	tm->tm_min = BCD2BIN(regs[ISL1208_REG_MNA - ISL1208_REG_SCA] & 0x7f);
-	tm->tm_hour = BCD2BIN(regs[ISL1208_REG_HRA - ISL1208_REG_SCA] & 0x3f);
-	tm->tm_mday = BCD2BIN(regs[ISL1208_REG_DTA - ISL1208_REG_SCA] & 0x3f);
+	tm->tm_sec = bcd2bin(regs[ISL1208_REG_SCA - ISL1208_REG_SCA] & 0x7f);
+	tm->tm_min = bcd2bin(regs[ISL1208_REG_MNA - ISL1208_REG_SCA] & 0x7f);
+	tm->tm_hour = bcd2bin(regs[ISL1208_REG_HRA - ISL1208_REG_SCA] & 0x3f);
+	tm->tm_mday = bcd2bin(regs[ISL1208_REG_DTA - ISL1208_REG_SCA] & 0x3f);
 	tm->tm_mon =
-		BCD2BIN(regs[ISL1208_REG_MOA - ISL1208_REG_SCA] & 0x1f) - 1;
-	tm->tm_wday = BCD2BIN(regs[ISL1208_REG_DWA - ISL1208_REG_SCA] & 0x03);
+		bcd2bin(regs[ISL1208_REG_MOA - ISL1208_REG_SCA] & 0x1f) - 1;
+	tm->tm_wday = bcd2bin(regs[ISL1208_REG_DWA - ISL1208_REG_SCA] & 0x03);
 
 	return 0;
 }
@@ -328,15 +328,15 @@ isl1208_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
 	int sr;
 	u8 regs[ISL1208_RTC_SECTION_LEN] = { 0, };
 
-	regs[ISL1208_REG_SC] = BIN2BCD(tm->tm_sec);
-	regs[ISL1208_REG_MN] = BIN2BCD(tm->tm_min);
-	regs[ISL1208_REG_HR] = BIN2BCD(tm->tm_hour) | ISL1208_REG_HR_MIL;
+	regs[ISL1208_REG_SC] = bin2bcd(tm->tm_sec);
+	regs[ISL1208_REG_MN] = bin2bcd(tm->tm_min);
+	regs[ISL1208_REG_HR] = bin2bcd(tm->tm_hour) | ISL1208_REG_HR_MIL;
 
-	regs[ISL1208_REG_DT] = BIN2BCD(tm->tm_mday);
-	regs[ISL1208_REG_MO] = BIN2BCD(tm->tm_mon + 1);
-	regs[ISL1208_REG_YR] = BIN2BCD(tm->tm_year - 100);
+	regs[ISL1208_REG_DT] = bin2bcd(tm->tm_mday);
+	regs[ISL1208_REG_MO] = bin2bcd(tm->tm_mon + 1);
+	regs[ISL1208_REG_YR] = bin2bcd(tm->tm_year - 100);
 
-	regs[ISL1208_REG_DW] = BIN2BCD(tm->tm_wday & 7);
+	regs[ISL1208_REG_DW] = bin2bcd(tm->tm_wday & 7);
 
 	sr = isl1208_i2c_get_sr(client);
 	if (sr < 0) {
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 470fb2d2954..893f7dece23 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -110,15 +110,15 @@ static int m41t80_get_datetime(struct i2c_client *client,
 		return -EIO;
 	}
 
-	tm->tm_sec = BCD2BIN(buf[M41T80_REG_SEC] & 0x7f);
-	tm->tm_min = BCD2BIN(buf[M41T80_REG_MIN] & 0x7f);
-	tm->tm_hour = BCD2BIN(buf[M41T80_REG_HOUR] & 0x3f);
-	tm->tm_mday = BCD2BIN(buf[M41T80_REG_DAY] & 0x3f);
+	tm->tm_sec = bcd2bin(buf[M41T80_REG_SEC] & 0x7f);
+	tm->tm_min = bcd2bin(buf[M41T80_REG_MIN] & 0x7f);
+	tm->tm_hour = bcd2bin(buf[M41T80_REG_HOUR] & 0x3f);
+	tm->tm_mday = bcd2bin(buf[M41T80_REG_DAY] & 0x3f);
 	tm->tm_wday = buf[M41T80_REG_WDAY] & 0x07;
-	tm->tm_mon = BCD2BIN(buf[M41T80_REG_MON] & 0x1f) - 1;
+	tm->tm_mon = bcd2bin(buf[M41T80_REG_MON] & 0x1f) - 1;
 
 	/* assume 20YY not 19YY, and ignore the Century Bit */
-	tm->tm_year = BCD2BIN(buf[M41T80_REG_YEAR]) + 100;
+	tm->tm_year = bcd2bin(buf[M41T80_REG_YEAR]) + 100;
 	return 0;
 }
 
@@ -161,19 +161,19 @@ static int m41t80_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 	/* Merge time-data and register flags into buf[0..7] */
 	buf[M41T80_REG_SSEC] = 0;
 	buf[M41T80_REG_SEC] =
-		BIN2BCD(tm->tm_sec) | (buf[M41T80_REG_SEC] & ~0x7f);
+		bin2bcd(tm->tm_sec) | (buf[M41T80_REG_SEC] & ~0x7f);
 	buf[M41T80_REG_MIN] =
-		BIN2BCD(tm->tm_min) | (buf[M41T80_REG_MIN] & ~0x7f);
+		bin2bcd(tm->tm_min) | (buf[M41T80_REG_MIN] & ~0x7f);
 	buf[M41T80_REG_HOUR] =
-		BIN2BCD(tm->tm_hour) | (buf[M41T80_REG_HOUR] & ~0x3f) ;
+		bin2bcd(tm->tm_hour) | (buf[M41T80_REG_HOUR] & ~0x3f) ;
 	buf[M41T80_REG_WDAY] =
 		(tm->tm_wday & 0x07) | (buf[M41T80_REG_WDAY] & ~0x07);
 	buf[M41T80_REG_DAY] =
-		BIN2BCD(tm->tm_mday) | (buf[M41T80_REG_DAY] & ~0x3f);
+		bin2bcd(tm->tm_mday) | (buf[M41T80_REG_DAY] & ~0x3f);
 	buf[M41T80_REG_MON] =
-		BIN2BCD(tm->tm_mon + 1) | (buf[M41T80_REG_MON] & ~0x1f);
+		bin2bcd(tm->tm_mon + 1) | (buf[M41T80_REG_MON] & ~0x1f);
 	/* assume 20YY not 19YY */
-	buf[M41T80_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+	buf[M41T80_REG_YEAR] = bin2bcd(tm->tm_year % 100);
 
 	if (i2c_transfer(client->adapter, msgs, 1) != 1) {
 		dev_err(&client->dev, "write error\n");
@@ -288,15 +288,15 @@ static int m41t80_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 
 	wbuf[0] = M41T80_REG_ALARM_MON; /* offset into rtc's regs */
 	reg[M41T80_REG_ALARM_SEC] |= t->time.tm_sec >= 0 ?
-		BIN2BCD(t->time.tm_sec) : 0x80;
+		bin2bcd(t->time.tm_sec) : 0x80;
 	reg[M41T80_REG_ALARM_MIN] |= t->time.tm_min >= 0 ?
-		BIN2BCD(t->time.tm_min) : 0x80;
+		bin2bcd(t->time.tm_min) : 0x80;
 	reg[M41T80_REG_ALARM_HOUR] |= t->time.tm_hour >= 0 ?
-		BIN2BCD(t->time.tm_hour) : 0x80;
+		bin2bcd(t->time.tm_hour) : 0x80;
 	reg[M41T80_REG_ALARM_DAY] |= t->time.tm_mday >= 0 ?
-		BIN2BCD(t->time.tm_mday) : 0x80;
+		bin2bcd(t->time.tm_mday) : 0x80;
 	if (t->time.tm_mon >= 0)
-		reg[M41T80_REG_ALARM_MON] |= BIN2BCD(t->time.tm_mon + 1);
+		reg[M41T80_REG_ALARM_MON] |= bin2bcd(t->time.tm_mon + 1);
 	else
 		reg[M41T80_REG_ALARM_DAY] |= 0x40;
 
@@ -347,15 +347,15 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 	t->time.tm_mday = -1;
 	t->time.tm_mon = -1;
 	if (!(reg[M41T80_REG_ALARM_SEC] & 0x80))
-		t->time.tm_sec = BCD2BIN(reg[M41T80_REG_ALARM_SEC] & 0x7f);
+		t->time.tm_sec = bcd2bin(reg[M41T80_REG_ALARM_SEC] & 0x7f);
 	if (!(reg[M41T80_REG_ALARM_MIN] & 0x80))
-		t->time.tm_min = BCD2BIN(reg[M41T80_REG_ALARM_MIN] & 0x7f);
+		t->time.tm_min = bcd2bin(reg[M41T80_REG_ALARM_MIN] & 0x7f);
 	if (!(reg[M41T80_REG_ALARM_HOUR] & 0x80))
-		t->time.tm_hour = BCD2BIN(reg[M41T80_REG_ALARM_HOUR] & 0x3f);
+		t->time.tm_hour = bcd2bin(reg[M41T80_REG_ALARM_HOUR] & 0x3f);
 	if (!(reg[M41T80_REG_ALARM_DAY] & 0x80))
-		t->time.tm_mday = BCD2BIN(reg[M41T80_REG_ALARM_DAY] & 0x3f);
+		t->time.tm_mday = bcd2bin(reg[M41T80_REG_ALARM_DAY] & 0x3f);
 	if (!(reg[M41T80_REG_ALARM_DAY] & 0x40))
-		t->time.tm_mon = BCD2BIN(reg[M41T80_REG_ALARM_MON] & 0x1f) - 1;
+		t->time.tm_mon = bcd2bin(reg[M41T80_REG_ALARM_MON] & 0x1f) - 1;
 	t->time.tm_year = -1;
 	t->time.tm_wday = -1;
 	t->time.tm_yday = -1;
diff --git a/drivers/rtc/rtc-m41t94.c b/drivers/rtc/rtc-m41t94.c
index 9b19499c829..c3a18c58daf 100644
--- a/drivers/rtc/rtc-m41t94.c
+++ b/drivers/rtc/rtc-m41t94.c
@@ -41,17 +41,17 @@ static int m41t94_set_time(struct device *dev, struct rtc_time *tm)
 		tm->tm_mon, tm->tm_year, tm->tm_wday);
 
 	buf[0] = 0x80 | M41T94_REG_SECONDS; /* write time + date */
-	buf[M41T94_REG_SECONDS] = BIN2BCD(tm->tm_sec);
-	buf[M41T94_REG_MINUTES] = BIN2BCD(tm->tm_min);
-	buf[M41T94_REG_HOURS]   = BIN2BCD(tm->tm_hour);
-	buf[M41T94_REG_WDAY]    = BIN2BCD(tm->tm_wday + 1);
-	buf[M41T94_REG_DAY]     = BIN2BCD(tm->tm_mday);
-	buf[M41T94_REG_MONTH]   = BIN2BCD(tm->tm_mon + 1);
+	buf[M41T94_REG_SECONDS] = bin2bcd(tm->tm_sec);
+	buf[M41T94_REG_MINUTES] = bin2bcd(tm->tm_min);
+	buf[M41T94_REG_HOURS]   = bin2bcd(tm->tm_hour);
+	buf[M41T94_REG_WDAY]    = bin2bcd(tm->tm_wday + 1);
+	buf[M41T94_REG_DAY]     = bin2bcd(tm->tm_mday);
+	buf[M41T94_REG_MONTH]   = bin2bcd(tm->tm_mon + 1);
 
 	buf[M41T94_REG_HOURS] |= M41T94_BIT_CEB;
 	if (tm->tm_year >= 100)
 		buf[M41T94_REG_HOURS] |= M41T94_BIT_CB;
-	buf[M41T94_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+	buf[M41T94_REG_YEAR] = bin2bcd(tm->tm_year % 100);
 
 	return spi_write(spi, buf, 8);
 }
@@ -82,14 +82,14 @@ static int m41t94_read_time(struct device *dev, struct rtc_time *tm)
 		spi_write(spi, buf, 2);
 	}
 
-	tm->tm_sec  = BCD2BIN(spi_w8r8(spi, M41T94_REG_SECONDS));
-	tm->tm_min  = BCD2BIN(spi_w8r8(spi, M41T94_REG_MINUTES));
+	tm->tm_sec  = bcd2bin(spi_w8r8(spi, M41T94_REG_SECONDS));
+	tm->tm_min  = bcd2bin(spi_w8r8(spi, M41T94_REG_MINUTES));
 	hour = spi_w8r8(spi, M41T94_REG_HOURS);
-	tm->tm_hour = BCD2BIN(hour & 0x3f);
-	tm->tm_wday = BCD2BIN(spi_w8r8(spi, M41T94_REG_WDAY)) - 1;
-	tm->tm_mday = BCD2BIN(spi_w8r8(spi, M41T94_REG_DAY));
-	tm->tm_mon  = BCD2BIN(spi_w8r8(spi, M41T94_REG_MONTH)) - 1;
-	tm->tm_year = BCD2BIN(spi_w8r8(spi, M41T94_REG_YEAR));
+	tm->tm_hour = bcd2bin(hour & 0x3f);
+	tm->tm_wday = bcd2bin(spi_w8r8(spi, M41T94_REG_WDAY)) - 1;
+	tm->tm_mday = bcd2bin(spi_w8r8(spi, M41T94_REG_DAY));
+	tm->tm_mon  = bcd2bin(spi_w8r8(spi, M41T94_REG_MONTH)) - 1;
+	tm->tm_year = bcd2bin(spi_w8r8(spi, M41T94_REG_YEAR));
 	if ((hour & M41T94_BIT_CB) || !(hour & M41T94_BIT_CEB))
 		tm->tm_year += 100;
 
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index ce4eff6a8d5..ed671e29e07 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -76,10 +76,10 @@ static int m48t59_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	/* Issue the READ command */
 	M48T59_SET_BITS(M48T59_CNTL_READ, M48T59_CNTL);
 
-	tm->tm_year	= BCD2BIN(M48T59_READ(M48T59_YEAR));
+	tm->tm_year	= bcd2bin(M48T59_READ(M48T59_YEAR));
 	/* tm_mon is 0-11 */
-	tm->tm_mon	= BCD2BIN(M48T59_READ(M48T59_MONTH)) - 1;
-	tm->tm_mday	= BCD2BIN(M48T59_READ(M48T59_MDAY));
+	tm->tm_mon	= bcd2bin(M48T59_READ(M48T59_MONTH)) - 1;
+	tm->tm_mday	= bcd2bin(M48T59_READ(M48T59_MDAY));
 
 	val = M48T59_READ(M48T59_WDAY);
 	if ((pdata->type == M48T59RTC_TYPE_M48T59) &&
@@ -88,10 +88,10 @@ static int m48t59_rtc_read_time(struct device *dev, struct rtc_time *tm)
 		tm->tm_year += 100;	/* one century */
 	}
 
-	tm->tm_wday	= BCD2BIN(val & 0x07);
-	tm->tm_hour	= BCD2BIN(M48T59_READ(M48T59_HOUR) & 0x3F);
-	tm->tm_min	= BCD2BIN(M48T59_READ(M48T59_MIN) & 0x7F);
-	tm->tm_sec	= BCD2BIN(M48T59_READ(M48T59_SEC) & 0x7F);
+	tm->tm_wday	= bcd2bin(val & 0x07);
+	tm->tm_hour	= bcd2bin(M48T59_READ(M48T59_HOUR) & 0x3F);
+	tm->tm_min	= bcd2bin(M48T59_READ(M48T59_MIN) & 0x7F);
+	tm->tm_sec	= bcd2bin(M48T59_READ(M48T59_SEC) & 0x7F);
 
 	/* Clear the READ bit */
 	M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
@@ -119,17 +119,17 @@ static int m48t59_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	/* Issue the WRITE command */
 	M48T59_SET_BITS(M48T59_CNTL_WRITE, M48T59_CNTL);
 
-	M48T59_WRITE((BIN2BCD(tm->tm_sec) & 0x7F), M48T59_SEC);
-	M48T59_WRITE((BIN2BCD(tm->tm_min) & 0x7F), M48T59_MIN);
-	M48T59_WRITE((BIN2BCD(tm->tm_hour) & 0x3F), M48T59_HOUR);
-	M48T59_WRITE((BIN2BCD(tm->tm_mday) & 0x3F), M48T59_MDAY);
+	M48T59_WRITE((bin2bcd(tm->tm_sec) & 0x7F), M48T59_SEC);
+	M48T59_WRITE((bin2bcd(tm->tm_min) & 0x7F), M48T59_MIN);
+	M48T59_WRITE((bin2bcd(tm->tm_hour) & 0x3F), M48T59_HOUR);
+	M48T59_WRITE((bin2bcd(tm->tm_mday) & 0x3F), M48T59_MDAY);
 	/* tm_mon is 0-11 */
-	M48T59_WRITE((BIN2BCD(tm->tm_mon + 1) & 0x1F), M48T59_MONTH);
-	M48T59_WRITE(BIN2BCD(tm->tm_year % 100), M48T59_YEAR);
+	M48T59_WRITE((bin2bcd(tm->tm_mon + 1) & 0x1F), M48T59_MONTH);
+	M48T59_WRITE(bin2bcd(tm->tm_year % 100), M48T59_YEAR);
 
 	if (pdata->type == M48T59RTC_TYPE_M48T59 && (tm->tm_year / 100))
 		val = (M48T59_WDAY_CEB | M48T59_WDAY_CB);
-	val |= (BIN2BCD(tm->tm_wday) & 0x07);
+	val |= (bin2bcd(tm->tm_wday) & 0x07);
 	M48T59_WRITE(val, M48T59_WDAY);
 
 	/* Clear the WRITE bit */
@@ -158,18 +158,18 @@ static int m48t59_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	/* Issue the READ command */
 	M48T59_SET_BITS(M48T59_CNTL_READ, M48T59_CNTL);
 
-	tm->tm_year = BCD2BIN(M48T59_READ(M48T59_YEAR));
+	tm->tm_year = bcd2bin(M48T59_READ(M48T59_YEAR));
 	/* tm_mon is 0-11 */
-	tm->tm_mon = BCD2BIN(M48T59_READ(M48T59_MONTH)) - 1;
+	tm->tm_mon = bcd2bin(M48T59_READ(M48T59_MONTH)) - 1;
 
 	val = M48T59_READ(M48T59_WDAY);
 	if ((val & M48T59_WDAY_CEB) && (val & M48T59_WDAY_CB))
 		tm->tm_year += 100;	/* one century */
 
-	tm->tm_mday = BCD2BIN(M48T59_READ(M48T59_ALARM_DATE));
-	tm->tm_hour = BCD2BIN(M48T59_READ(M48T59_ALARM_HOUR));
-	tm->tm_min = BCD2BIN(M48T59_READ(M48T59_ALARM_MIN));
-	tm->tm_sec = BCD2BIN(M48T59_READ(M48T59_ALARM_SEC));
+	tm->tm_mday = bcd2bin(M48T59_READ(M48T59_ALARM_DATE));
+	tm->tm_hour = bcd2bin(M48T59_READ(M48T59_ALARM_HOUR));
+	tm->tm_min = bcd2bin(M48T59_READ(M48T59_ALARM_MIN));
+	tm->tm_sec = bcd2bin(M48T59_READ(M48T59_ALARM_SEC));
 
 	/* Clear the READ bit */
 	M48T59_CLEAR_BITS(M48T59_CNTL_READ, M48T59_CNTL);
@@ -201,18 +201,18 @@ static int m48t59_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	 * 0xff means "always match"
 	 */
 	mday = tm->tm_mday;
-	mday = (mday >= 1 && mday <= 31) ? BIN2BCD(mday) : 0xff;
+	mday = (mday >= 1 && mday <= 31) ? bin2bcd(mday) : 0xff;
 	if (mday == 0xff)
 		mday = M48T59_READ(M48T59_MDAY);
 
 	hour = tm->tm_hour;
-	hour = (hour < 24) ? BIN2BCD(hour) : 0x00;
+	hour = (hour < 24) ? bin2bcd(hour) : 0x00;
 
 	min = tm->tm_min;
-	min = (min < 60) ? BIN2BCD(min) : 0x00;
+	min = (min < 60) ? bin2bcd(min) : 0x00;
 
 	sec = tm->tm_sec;
-	sec = (sec < 60) ? BIN2BCD(sec) : 0x00;
+	sec = (sec < 60) ? bin2bcd(sec) : 0x00;
 
 	spin_lock_irqsave(&m48t59->lock, flags);
 	/* Issue the WRITE command */
diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 3f7f99a5d96..7c045cffa9f 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -62,14 +62,14 @@ static int m48t86_rtc_read_time(struct device *dev, struct rtc_time *tm)
 		tm->tm_wday	= ops->readbyte(M48T86_REG_DOW);
 	} else {
 		/* bcd mode */
-		tm->tm_sec	= BCD2BIN(ops->readbyte(M48T86_REG_SEC));
-		tm->tm_min	= BCD2BIN(ops->readbyte(M48T86_REG_MIN));
-		tm->tm_hour	= BCD2BIN(ops->readbyte(M48T86_REG_HOUR) & 0x3F);
-		tm->tm_mday	= BCD2BIN(ops->readbyte(M48T86_REG_DOM));
+		tm->tm_sec	= bcd2bin(ops->readbyte(M48T86_REG_SEC));
+		tm->tm_min	= bcd2bin(ops->readbyte(M48T86_REG_MIN));
+		tm->tm_hour	= bcd2bin(ops->readbyte(M48T86_REG_HOUR) & 0x3F);
+		tm->tm_mday	= bcd2bin(ops->readbyte(M48T86_REG_DOM));
 		/* tm_mon is 0-11 */
-		tm->tm_mon	= BCD2BIN(ops->readbyte(M48T86_REG_MONTH)) - 1;
-		tm->tm_year	= BCD2BIN(ops->readbyte(M48T86_REG_YEAR)) + 100;
-		tm->tm_wday	= BCD2BIN(ops->readbyte(M48T86_REG_DOW));
+		tm->tm_mon	= bcd2bin(ops->readbyte(M48T86_REG_MONTH)) - 1;
+		tm->tm_year	= bcd2bin(ops->readbyte(M48T86_REG_YEAR)) + 100;
+		tm->tm_wday	= bcd2bin(ops->readbyte(M48T86_REG_DOW));
 	}
 
 	/* correct the hour if the clock is in 12h mode */
@@ -103,13 +103,13 @@ static int m48t86_rtc_set_time(struct device *dev, struct rtc_time *tm)
 		ops->writebyte(tm->tm_wday, M48T86_REG_DOW);
 	} else {
 		/* bcd mode */
-		ops->writebyte(BIN2BCD(tm->tm_sec), M48T86_REG_SEC);
-		ops->writebyte(BIN2BCD(tm->tm_min), M48T86_REG_MIN);
-		ops->writebyte(BIN2BCD(tm->tm_hour), M48T86_REG_HOUR);
-		ops->writebyte(BIN2BCD(tm->tm_mday), M48T86_REG_DOM);
-		ops->writebyte(BIN2BCD(tm->tm_mon + 1), M48T86_REG_MONTH);
-		ops->writebyte(BIN2BCD(tm->tm_year % 100), M48T86_REG_YEAR);
-		ops->writebyte(BIN2BCD(tm->tm_wday), M48T86_REG_DOW);
+		ops->writebyte(bin2bcd(tm->tm_sec), M48T86_REG_SEC);
+		ops->writebyte(bin2bcd(tm->tm_min), M48T86_REG_MIN);
+		ops->writebyte(bin2bcd(tm->tm_hour), M48T86_REG_HOUR);
+		ops->writebyte(bin2bcd(tm->tm_mday), M48T86_REG_DOM);
+		ops->writebyte(bin2bcd(tm->tm_mon + 1), M48T86_REG_MONTH);
+		ops->writebyte(bin2bcd(tm->tm_year % 100), M48T86_REG_YEAR);
+		ops->writebyte(bin2bcd(tm->tm_wday), M48T86_REG_DOW);
 	}
 
 	/* update ended */
diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c
index 12c9cd25cad..80782798763 100644
--- a/drivers/rtc/rtc-max6900.c
+++ b/drivers/rtc/rtc-max6900.c
@@ -150,14 +150,14 @@ static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
 	if (rc < 0)
 		return rc;
 
-	tm->tm_sec = BCD2BIN(regs[MAX6900_REG_SC]);
-	tm->tm_min = BCD2BIN(regs[MAX6900_REG_MN]);
-	tm->tm_hour = BCD2BIN(regs[MAX6900_REG_HR] & 0x3f);
-	tm->tm_mday = BCD2BIN(regs[MAX6900_REG_DT]);
-	tm->tm_mon = BCD2BIN(regs[MAX6900_REG_MO]) - 1;
-	tm->tm_year = BCD2BIN(regs[MAX6900_REG_YR]) +
-	    BCD2BIN(regs[MAX6900_REG_CENTURY]) * 100 - 1900;
-	tm->tm_wday = BCD2BIN(regs[MAX6900_REG_DW]);
+	tm->tm_sec = bcd2bin(regs[MAX6900_REG_SC]);
+	tm->tm_min = bcd2bin(regs[MAX6900_REG_MN]);
+	tm->tm_hour = bcd2bin(regs[MAX6900_REG_HR] & 0x3f);
+	tm->tm_mday = bcd2bin(regs[MAX6900_REG_DT]);
+	tm->tm_mon = bcd2bin(regs[MAX6900_REG_MO]) - 1;
+	tm->tm_year = bcd2bin(regs[MAX6900_REG_YR]) +
+		      bcd2bin(regs[MAX6900_REG_CENTURY]) * 100 - 1900;
+	tm->tm_wday = bcd2bin(regs[MAX6900_REG_DW]);
 
 	return 0;
 }
@@ -184,14 +184,14 @@ max6900_i2c_set_time(struct i2c_client *client, struct rtc_time const *tm)
 	if (rc < 0)
 		return rc;
 
-	regs[MAX6900_REG_SC] = BIN2BCD(tm->tm_sec);
-	regs[MAX6900_REG_MN] = BIN2BCD(tm->tm_min);
-	regs[MAX6900_REG_HR] = BIN2BCD(tm->tm_hour);
-	regs[MAX6900_REG_DT] = BIN2BCD(tm->tm_mday);
-	regs[MAX6900_REG_MO] = BIN2BCD(tm->tm_mon + 1);
-	regs[MAX6900_REG_DW] = BIN2BCD(tm->tm_wday);
-	regs[MAX6900_REG_YR] = BIN2BCD(tm->tm_year % 100);
-	regs[MAX6900_REG_CENTURY] = BIN2BCD((tm->tm_year + 1900) / 100);
+	regs[MAX6900_REG_SC] = bin2bcd(tm->tm_sec);
+	regs[MAX6900_REG_MN] = bin2bcd(tm->tm_min);
+	regs[MAX6900_REG_HR] = bin2bcd(tm->tm_hour);
+	regs[MAX6900_REG_DT] = bin2bcd(tm->tm_mday);
+	regs[MAX6900_REG_MO] = bin2bcd(tm->tm_mon + 1);
+	regs[MAX6900_REG_DW] = bin2bcd(tm->tm_wday);
+	regs[MAX6900_REG_YR] = bin2bcd(tm->tm_year % 100);
+	regs[MAX6900_REG_CENTURY] = bin2bcd((tm->tm_year + 1900) / 100);
 	/* set write protect */
 	regs[MAX6900_REG_CT] = MAX6900_REG_CT_WP;
 
diff --git a/drivers/rtc/rtc-max6902.c b/drivers/rtc/rtc-max6902.c
index 78b2551fb19..2f6507df7b4 100644
--- a/drivers/rtc/rtc-max6902.c
+++ b/drivers/rtc/rtc-max6902.c
@@ -124,15 +124,15 @@ static int max6902_get_datetime(struct device *dev, struct rtc_time *dt)
 
 	/* The chip sends data in this order:
 	 * Seconds, Minutes, Hours, Date, Month, Day, Year */
-	dt->tm_sec	= BCD2BIN(chip->buf[1]);
-	dt->tm_min	= BCD2BIN(chip->buf[2]);
-	dt->tm_hour	= BCD2BIN(chip->buf[3]);
-	dt->tm_mday	= BCD2BIN(chip->buf[4]);
-	dt->tm_mon	= BCD2BIN(chip->buf[5]) - 1;
-	dt->tm_wday	= BCD2BIN(chip->buf[6]);
-	dt->tm_year = BCD2BIN(chip->buf[7]);
+	dt->tm_sec	= bcd2bin(chip->buf[1]);
+	dt->tm_min	= bcd2bin(chip->buf[2]);
+	dt->tm_hour	= bcd2bin(chip->buf[3]);
+	dt->tm_mday	= bcd2bin(chip->buf[4]);
+	dt->tm_mon	= bcd2bin(chip->buf[5]) - 1;
+	dt->tm_wday	= bcd2bin(chip->buf[6]);
+	dt->tm_year = bcd2bin(chip->buf[7]);
 
-	century = BCD2BIN(tmp) * 100;
+	century = bcd2bin(tmp) * 100;
 
 	dt->tm_year += century;
 	dt->tm_year -= 1900;
@@ -168,15 +168,15 @@ static int max6902_set_datetime(struct device *dev, struct rtc_time *dt)
 	/* Remove write protection */
 	max6902_set_reg(dev, 0xF, 0);
 
-	max6902_set_reg(dev, 0x01, BIN2BCD(dt->tm_sec));
-	max6902_set_reg(dev, 0x03, BIN2BCD(dt->tm_min));
-	max6902_set_reg(dev, 0x05, BIN2BCD(dt->tm_hour));
+	max6902_set_reg(dev, 0x01, bin2bcd(dt->tm_sec));
+	max6902_set_reg(dev, 0x03, bin2bcd(dt->tm_min));
+	max6902_set_reg(dev, 0x05, bin2bcd(dt->tm_hour));
 
-	max6902_set_reg(dev, 0x07, BIN2BCD(dt->tm_mday));
-	max6902_set_reg(dev, 0x09, BIN2BCD(dt->tm_mon+1));
-	max6902_set_reg(dev, 0x0B, BIN2BCD(dt->tm_wday));
-	max6902_set_reg(dev, 0x0D, BIN2BCD(dt->tm_year%100));
-	max6902_set_reg(dev, 0x13, BIN2BCD(dt->tm_year/100));
+	max6902_set_reg(dev, 0x07, bin2bcd(dt->tm_mday));
+	max6902_set_reg(dev, 0x09, bin2bcd(dt->tm_mon+1));
+	max6902_set_reg(dev, 0x0B, bin2bcd(dt->tm_wday));
+	max6902_set_reg(dev, 0x0D, bin2bcd(dt->tm_year%100));
+	max6902_set_reg(dev, 0x13, bin2bcd(dt->tm_year/100));
 
 	/* Compulab used a delay here. However, the datasheet
 	 * does not mention a delay being required anywhere... */
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 8876605d4d4..2cbeb0794f1 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -186,30 +186,30 @@ static int tm2bcd(struct rtc_time *tm)
 	if (rtc_valid_tm(tm) != 0)
 		return -EINVAL;
 
-	tm->tm_sec = BIN2BCD(tm->tm_sec);
-	tm->tm_min = BIN2BCD(tm->tm_min);
-	tm->tm_hour = BIN2BCD(tm->tm_hour);
-	tm->tm_mday = BIN2BCD(tm->tm_mday);
+	tm->tm_sec = bin2bcd(tm->tm_sec);
+	tm->tm_min = bin2bcd(tm->tm_min);
+	tm->tm_hour = bin2bcd(tm->tm_hour);
+	tm->tm_mday = bin2bcd(tm->tm_mday);
 
-	tm->tm_mon = BIN2BCD(tm->tm_mon + 1);
+	tm->tm_mon = bin2bcd(tm->tm_mon + 1);
 
 	/* epoch == 1900 */
 	if (tm->tm_year < 100 || tm->tm_year > 199)
 		return -EINVAL;
-	tm->tm_year = BIN2BCD(tm->tm_year - 100);
+	tm->tm_year = bin2bcd(tm->tm_year - 100);
 
 	return 0;
 }
 
 static void bcd2tm(struct rtc_time *tm)
 {
-	tm->tm_sec = BCD2BIN(tm->tm_sec);
-	tm->tm_min = BCD2BIN(tm->tm_min);
-	tm->tm_hour = BCD2BIN(tm->tm_hour);
-	tm->tm_mday = BCD2BIN(tm->tm_mday);
-	tm->tm_mon = BCD2BIN(tm->tm_mon) - 1;
+	tm->tm_sec = bcd2bin(tm->tm_sec);
+	tm->tm_min = bcd2bin(tm->tm_min);
+	tm->tm_hour = bcd2bin(tm->tm_hour);
+	tm->tm_mday = bcd2bin(tm->tm_mday);
+	tm->tm_mon = bcd2bin(tm->tm_mon) - 1;
 	/* epoch == 1900 */
-	tm->tm_year = BCD2BIN(tm->tm_year) + 100;
+	tm->tm_year = bcd2bin(tm->tm_year) + 100;
 }
 
 
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index a829f20ad6d..b725913ccbe 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -97,13 +97,13 @@ static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm)
 		buf[8]);
 
 
-	tm->tm_sec = BCD2BIN(buf[PCF8563_REG_SC] & 0x7F);
-	tm->tm_min = BCD2BIN(buf[PCF8563_REG_MN] & 0x7F);
-	tm->tm_hour = BCD2BIN(buf[PCF8563_REG_HR] & 0x3F); /* rtc hr 0-23 */
-	tm->tm_mday = BCD2BIN(buf[PCF8563_REG_DM] & 0x3F);
+	tm->tm_sec = bcd2bin(buf[PCF8563_REG_SC] & 0x7F);
+	tm->tm_min = bcd2bin(buf[PCF8563_REG_MN] & 0x7F);
+	tm->tm_hour = bcd2bin(buf[PCF8563_REG_HR] & 0x3F); /* rtc hr 0-23 */
+	tm->tm_mday = bcd2bin(buf[PCF8563_REG_DM] & 0x3F);
 	tm->tm_wday = buf[PCF8563_REG_DW] & 0x07;
-	tm->tm_mon = BCD2BIN(buf[PCF8563_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */
-	tm->tm_year = BCD2BIN(buf[PCF8563_REG_YR]);
+	tm->tm_mon = bcd2bin(buf[PCF8563_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */
+	tm->tm_year = bcd2bin(buf[PCF8563_REG_YR]);
 	if (tm->tm_year < 70)
 		tm->tm_year += 100;	/* assume we are in 1970...2069 */
 	/* detect the polarity heuristically. see note above. */
@@ -138,17 +138,17 @@ static int pcf8563_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 		tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
 
 	/* hours, minutes and seconds */
-	buf[PCF8563_REG_SC] = BIN2BCD(tm->tm_sec);
-	buf[PCF8563_REG_MN] = BIN2BCD(tm->tm_min);
-	buf[PCF8563_REG_HR] = BIN2BCD(tm->tm_hour);
+	buf[PCF8563_REG_SC] = bin2bcd(tm->tm_sec);
+	buf[PCF8563_REG_MN] = bin2bcd(tm->tm_min);
+	buf[PCF8563_REG_HR] = bin2bcd(tm->tm_hour);
 
-	buf[PCF8563_REG_DM] = BIN2BCD(tm->tm_mday);
+	buf[PCF8563_REG_DM] = bin2bcd(tm->tm_mday);
 
 	/* month, 1 - 12 */
-	buf[PCF8563_REG_MO] = BIN2BCD(tm->tm_mon + 1);
+	buf[PCF8563_REG_MO] = bin2bcd(tm->tm_mon + 1);
 
 	/* year and century */
-	buf[PCF8563_REG_YR] = BIN2BCD(tm->tm_year % 100);
+	buf[PCF8563_REG_YR] = bin2bcd(tm->tm_year % 100);
 	if (pcf8563->c_polarity ? (tm->tm_year >= 100) : (tm->tm_year < 100))
 		buf[PCF8563_REG_MO] |= PCF8563_MO_C;
 
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c
index d388c662bf4..7d33cda3f8f 100644
--- a/drivers/rtc/rtc-pcf8583.c
+++ b/drivers/rtc/rtc-pcf8583.c
@@ -76,11 +76,11 @@ static int pcf8583_get_datetime(struct i2c_client *client, struct rtc_time *dt)
 		buf[4] &= 0x3f;
 		buf[5] &= 0x1f;
 
-		dt->tm_sec = BCD2BIN(buf[1]);
-		dt->tm_min = BCD2BIN(buf[2]);
-		dt->tm_hour = BCD2BIN(buf[3]);
-		dt->tm_mday = BCD2BIN(buf[4]);
-		dt->tm_mon = BCD2BIN(buf[5]) - 1;
+		dt->tm_sec = bcd2bin(buf[1]);
+		dt->tm_min = bcd2bin(buf[2]);
+		dt->tm_hour = bcd2bin(buf[3]);
+		dt->tm_mday = bcd2bin(buf[4]);
+		dt->tm_mon = bcd2bin(buf[5]) - 1;
 	}
 
 	return ret == 2 ? 0 : -EIO;
@@ -94,14 +94,14 @@ static int pcf8583_set_datetime(struct i2c_client *client, struct rtc_time *dt,
 	buf[0] = 0;
 	buf[1] = get_ctrl(client) | 0x80;
 	buf[2] = 0;
-	buf[3] = BIN2BCD(dt->tm_sec);
-	buf[4] = BIN2BCD(dt->tm_min);
-	buf[5] = BIN2BCD(dt->tm_hour);
+	buf[3] = bin2bcd(dt->tm_sec);
+	buf[4] = bin2bcd(dt->tm_min);
+	buf[5] = bin2bcd(dt->tm_hour);
 
 	if (datetoo) {
 		len = 8;
-		buf[6] = BIN2BCD(dt->tm_mday) | (dt->tm_year << 6);
-		buf[7] = BIN2BCD(dt->tm_mon + 1)  | (dt->tm_wday << 5);
+		buf[6] = bin2bcd(dt->tm_mday) | (dt->tm_year << 6);
+		buf[7] = bin2bcd(dt->tm_mon + 1)  | (dt->tm_wday << 5);
 	}
 
 	ret = i2c_master_send(client, (char *)buf, len);
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index 395985b339c..42028f233be 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -80,13 +80,13 @@ static int r9701_get_datetime(struct device *dev, struct rtc_time *dt)
 
 	memset(dt, 0, sizeof(*dt));
 
-	dt->tm_sec = BCD2BIN(buf[0]); /* RSECCNT */
-	dt->tm_min = BCD2BIN(buf[1]); /* RMINCNT */
-	dt->tm_hour = BCD2BIN(buf[2]); /* RHRCNT */
+	dt->tm_sec = bcd2bin(buf[0]); /* RSECCNT */
+	dt->tm_min = bcd2bin(buf[1]); /* RMINCNT */
+	dt->tm_hour = bcd2bin(buf[2]); /* RHRCNT */
 
-	dt->tm_mday = BCD2BIN(buf[3]); /* RDAYCNT */
-	dt->tm_mon = BCD2BIN(buf[4]) - 1; /* RMONCNT */
-	dt->tm_year = BCD2BIN(buf[5]) + 100; /* RYRCNT */
+	dt->tm_mday = bcd2bin(buf[3]); /* RDAYCNT */
+	dt->tm_mon = bcd2bin(buf[4]) - 1; /* RMONCNT */
+	dt->tm_year = bcd2bin(buf[5]) + 100; /* RYRCNT */
 
 	/* the rtc device may contain illegal values on power up
 	 * according to the data sheet. make sure they are valid.
@@ -103,12 +103,12 @@ static int r9701_set_datetime(struct device *dev, struct rtc_time *dt)
 	if (year >= 2100 || year < 2000)
 		return -EINVAL;
 
-	ret = write_reg(dev, RHRCNT, BIN2BCD(dt->tm_hour));
-	ret = ret ? ret : write_reg(dev, RMINCNT, BIN2BCD(dt->tm_min));
-	ret = ret ? ret : write_reg(dev, RSECCNT, BIN2BCD(dt->tm_sec));
-	ret = ret ? ret : write_reg(dev, RDAYCNT, BIN2BCD(dt->tm_mday));
-	ret = ret ? ret : write_reg(dev, RMONCNT, BIN2BCD(dt->tm_mon + 1));
-	ret = ret ? ret : write_reg(dev, RYRCNT, BIN2BCD(dt->tm_year - 100));
+	ret = write_reg(dev, RHRCNT, bin2bcd(dt->tm_hour));
+	ret = ret ? ret : write_reg(dev, RMINCNT, bin2bcd(dt->tm_min));
+	ret = ret ? ret : write_reg(dev, RSECCNT, bin2bcd(dt->tm_sec));
+	ret = ret ? ret : write_reg(dev, RDAYCNT, bin2bcd(dt->tm_mday));
+	ret = ret ? ret : write_reg(dev, RMONCNT, bin2bcd(dt->tm_mon + 1));
+	ret = ret ? ret : write_reg(dev, RYRCNT, bin2bcd(dt->tm_year - 100));
 	ret = ret ? ret : write_reg(dev, RWKCNT, 1 << dt->tm_wday);
 
 	return ret;
diff --git a/drivers/rtc/rtc-rs5c313.c b/drivers/rtc/rtc-rs5c313.c
index 1c14d4497c4..e6ea3f5ee1e 100644
--- a/drivers/rtc/rtc-rs5c313.c
+++ b/drivers/rtc/rtc-rs5c313.c
@@ -235,33 +235,33 @@ static int rs5c313_rtc_read_time(struct device *dev, struct rtc_time *tm)
 
 	data = rs5c313_read_reg(RS5C313_ADDR_SEC);
 	data |= (rs5c313_read_reg(RS5C313_ADDR_SEC10) << 4);
-	tm->tm_sec = BCD2BIN(data);
+	tm->tm_sec = bcd2bin(data);
 
 	data = rs5c313_read_reg(RS5C313_ADDR_MIN);
 	data |= (rs5c313_read_reg(RS5C313_ADDR_MIN10) << 4);
-	tm->tm_min = BCD2BIN(data);
+	tm->tm_min = bcd2bin(data);
 
 	data = rs5c313_read_reg(RS5C313_ADDR_HOUR);
 	data |= (rs5c313_read_reg(RS5C313_ADDR_HOUR10) << 4);
-	tm->tm_hour = BCD2BIN(data);
+	tm->tm_hour = bcd2bin(data);
 
 	data = rs5c313_read_reg(RS5C313_ADDR_DAY);
 	data |= (rs5c313_read_reg(RS5C313_ADDR_DAY10) << 4);
-	tm->tm_mday = BCD2BIN(data);
+	tm->tm_mday = bcd2bin(data);
 
 	data = rs5c313_read_reg(RS5C313_ADDR_MON);
 	data |= (rs5c313_read_reg(RS5C313_ADDR_MON10) << 4);
-	tm->tm_mon = BCD2BIN(data) - 1;
+	tm->tm_mon = bcd2bin(data) - 1;
 
 	data = rs5c313_read_reg(RS5C313_ADDR_YEAR);
 	data |= (rs5c313_read_reg(RS5C313_ADDR_YEAR10) << 4);
-	tm->tm_year = BCD2BIN(data);
+	tm->tm_year = bcd2bin(data);
 
 	if (tm->tm_year < 70)
 		tm->tm_year += 100;
 
 	data = rs5c313_read_reg(RS5C313_ADDR_WEEK);
-	tm->tm_wday = BCD2BIN(data);
+	tm->tm_wday = bcd2bin(data);
 
 	RS5C313_CEDISABLE;
 	ndelay(700);		/* CE:L */
@@ -294,31 +294,31 @@ static int rs5c313_rtc_set_time(struct device *dev, struct rtc_time *tm)
 		}
 	}
 
-	data = BIN2BCD(tm->tm_sec);
+	data = bin2bcd(tm->tm_sec);
 	rs5c313_write_reg(RS5C313_ADDR_SEC, data);
 	rs5c313_write_reg(RS5C313_ADDR_SEC10, (data >> 4));
 
-	data = BIN2BCD(tm->tm_min);
+	data = bin2bcd(tm->tm_min);
 	rs5c313_write_reg(RS5C313_ADDR_MIN, data );
 	rs5c313_write_reg(RS5C313_ADDR_MIN10, (data >> 4));
 
-	data = BIN2BCD(tm->tm_hour);
+	data = bin2bcd(tm->tm_hour);
 	rs5c313_write_reg(RS5C313_ADDR_HOUR, data);
 	rs5c313_write_reg(RS5C313_ADDR_HOUR10, (data >> 4));
 
-	data = BIN2BCD(tm->tm_mday);
+	data = bin2bcd(tm->tm_mday);
 	rs5c313_write_reg(RS5C313_ADDR_DAY, data);
 	rs5c313_write_reg(RS5C313_ADDR_DAY10, (data>> 4));
 
-	data = BIN2BCD(tm->tm_mon + 1);
+	data = bin2bcd(tm->tm_mon + 1);
 	rs5c313_write_reg(RS5C313_ADDR_MON, data);
 	rs5c313_write_reg(RS5C313_ADDR_MON10, (data >> 4));
 
-	data = BIN2BCD(tm->tm_year % 100);
+	data = bin2bcd(tm->tm_year % 100);
 	rs5c313_write_reg(RS5C313_ADDR_YEAR, data);
 	rs5c313_write_reg(RS5C313_ADDR_YEAR10, (data >> 4));
 
-	data = BIN2BCD(tm->tm_wday);
+	data = bin2bcd(tm->tm_wday);
 	rs5c313_write_reg(RS5C313_ADDR_WEEK, data);
 
 	RS5C313_CEDISABLE;	/* CE:H */
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
index 839462659af..dd1e2bc7a47 100644
--- a/drivers/rtc/rtc-rs5c348.c
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -74,20 +74,20 @@ rs5c348_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	txbuf[3] = 0;	/* dummy */
 	txbuf[4] = RS5C348_CMD_MW(RS5C348_REG_SECS); /* cmd, sec, ... */
 	txp = &txbuf[5];
-	txp[RS5C348_REG_SECS] = BIN2BCD(tm->tm_sec);
-	txp[RS5C348_REG_MINS] = BIN2BCD(tm->tm_min);
+	txp[RS5C348_REG_SECS] = bin2bcd(tm->tm_sec);
+	txp[RS5C348_REG_MINS] = bin2bcd(tm->tm_min);
 	if (pdata->rtc_24h) {
-		txp[RS5C348_REG_HOURS] = BIN2BCD(tm->tm_hour);
+		txp[RS5C348_REG_HOURS] = bin2bcd(tm->tm_hour);
 	} else {
 		/* hour 0 is AM12, noon is PM12 */
-		txp[RS5C348_REG_HOURS] = BIN2BCD((tm->tm_hour + 11) % 12 + 1) |
+		txp[RS5C348_REG_HOURS] = bin2bcd((tm->tm_hour + 11) % 12 + 1) |
 			(tm->tm_hour >= 12 ? RS5C348_BIT_PM : 0);
 	}
-	txp[RS5C348_REG_WDAY] = BIN2BCD(tm->tm_wday);
-	txp[RS5C348_REG_DAY] = BIN2BCD(tm->tm_mday);
-	txp[RS5C348_REG_MONTH] = BIN2BCD(tm->tm_mon + 1) |
+	txp[RS5C348_REG_WDAY] = bin2bcd(tm->tm_wday);
+	txp[RS5C348_REG_DAY] = bin2bcd(tm->tm_mday);
+	txp[RS5C348_REG_MONTH] = bin2bcd(tm->tm_mon + 1) |
 		(tm->tm_year >= 100 ? RS5C348_BIT_Y2K : 0);
-	txp[RS5C348_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+	txp[RS5C348_REG_YEAR] = bin2bcd(tm->tm_year % 100);
 	/* write in one transfer to avoid data inconsistency */
 	ret = spi_write_then_read(spi, txbuf, sizeof(txbuf), NULL, 0);
 	udelay(62);	/* Tcsr 62us */
@@ -116,20 +116,20 @@ rs5c348_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	if (ret < 0)
 		return ret;
 
-	tm->tm_sec = BCD2BIN(rxbuf[RS5C348_REG_SECS] & RS5C348_SECS_MASK);
-	tm->tm_min = BCD2BIN(rxbuf[RS5C348_REG_MINS] & RS5C348_MINS_MASK);
-	tm->tm_hour = BCD2BIN(rxbuf[RS5C348_REG_HOURS] & RS5C348_HOURS_MASK);
+	tm->tm_sec = bcd2bin(rxbuf[RS5C348_REG_SECS] & RS5C348_SECS_MASK);
+	tm->tm_min = bcd2bin(rxbuf[RS5C348_REG_MINS] & RS5C348_MINS_MASK);
+	tm->tm_hour = bcd2bin(rxbuf[RS5C348_REG_HOURS] & RS5C348_HOURS_MASK);
 	if (!pdata->rtc_24h) {
 		tm->tm_hour %= 12;
 		if (rxbuf[RS5C348_REG_HOURS] & RS5C348_BIT_PM)
 			tm->tm_hour += 12;
 	}
-	tm->tm_wday = BCD2BIN(rxbuf[RS5C348_REG_WDAY] & RS5C348_WDAY_MASK);
-	tm->tm_mday = BCD2BIN(rxbuf[RS5C348_REG_DAY] & RS5C348_DAY_MASK);
+	tm->tm_wday = bcd2bin(rxbuf[RS5C348_REG_WDAY] & RS5C348_WDAY_MASK);
+	tm->tm_mday = bcd2bin(rxbuf[RS5C348_REG_DAY] & RS5C348_DAY_MASK);
 	tm->tm_mon =
-		BCD2BIN(rxbuf[RS5C348_REG_MONTH] & RS5C348_MONTH_MASK) - 1;
+		bcd2bin(rxbuf[RS5C348_REG_MONTH] & RS5C348_MONTH_MASK) - 1;
 	/* year is 1900 + tm->tm_year */
-	tm->tm_year = BCD2BIN(rxbuf[RS5C348_REG_YEAR]) +
+	tm->tm_year = bcd2bin(rxbuf[RS5C348_REG_YEAR]) +
 		((rxbuf[RS5C348_REG_MONTH] & RS5C348_BIT_Y2K) ? 100 : 0);
 
 	if (rtc_valid_tm(tm) < 0) {
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 8b561958fb1..2f2c68d476d 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -148,9 +148,9 @@ static unsigned rs5c_reg2hr(struct rs5c372 *rs5c, unsigned reg)
 	unsigned	hour;
 
 	if (rs5c->time24)
-		return BCD2BIN(reg & 0x3f);
+		return bcd2bin(reg & 0x3f);
 
-	hour = BCD2BIN(reg & 0x1f);
+	hour = bcd2bin(reg & 0x1f);
 	if (hour == 12)
 		hour = 0;
 	if (reg & 0x20)
@@ -161,15 +161,15 @@ static unsigned rs5c_reg2hr(struct rs5c372 *rs5c, unsigned reg)
 static unsigned rs5c_hr2reg(struct rs5c372 *rs5c, unsigned hour)
 {
 	if (rs5c->time24)
-		return BIN2BCD(hour);
+		return bin2bcd(hour);
 
 	if (hour > 12)
-		return 0x20 | BIN2BCD(hour - 12);
+		return 0x20 | bin2bcd(hour - 12);
 	if (hour == 12)
-		return 0x20 | BIN2BCD(12);
+		return 0x20 | bin2bcd(12);
 	if (hour == 0)
-		return BIN2BCD(12);
-	return BIN2BCD(hour);
+		return bin2bcd(12);
+	return bin2bcd(hour);
 }
 
 static int rs5c372_get_datetime(struct i2c_client *client, struct rtc_time *tm)
@@ -180,18 +180,18 @@ static int rs5c372_get_datetime(struct i2c_client *client, struct rtc_time *tm)
 	if (status < 0)
 		return status;
 
-	tm->tm_sec = BCD2BIN(rs5c->regs[RS5C372_REG_SECS] & 0x7f);
-	tm->tm_min = BCD2BIN(rs5c->regs[RS5C372_REG_MINS] & 0x7f);
+	tm->tm_sec = bcd2bin(rs5c->regs[RS5C372_REG_SECS] & 0x7f);
+	tm->tm_min = bcd2bin(rs5c->regs[RS5C372_REG_MINS] & 0x7f);
 	tm->tm_hour = rs5c_reg2hr(rs5c, rs5c->regs[RS5C372_REG_HOURS]);
 
-	tm->tm_wday = BCD2BIN(rs5c->regs[RS5C372_REG_WDAY] & 0x07);
-	tm->tm_mday = BCD2BIN(rs5c->regs[RS5C372_REG_DAY] & 0x3f);
+	tm->tm_wday = bcd2bin(rs5c->regs[RS5C372_REG_WDAY] & 0x07);
+	tm->tm_mday = bcd2bin(rs5c->regs[RS5C372_REG_DAY] & 0x3f);
 
 	/* tm->tm_mon is zero-based */
-	tm->tm_mon = BCD2BIN(rs5c->regs[RS5C372_REG_MONTH] & 0x1f) - 1;
+	tm->tm_mon = bcd2bin(rs5c->regs[RS5C372_REG_MONTH] & 0x1f) - 1;
 
 	/* year is 1900 + tm->tm_year */
-	tm->tm_year = BCD2BIN(rs5c->regs[RS5C372_REG_YEAR]) + 100;
+	tm->tm_year = bcd2bin(rs5c->regs[RS5C372_REG_YEAR]) + 100;
 
 	dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
 		"mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -216,13 +216,13 @@ static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 		tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
 
 	addr   = RS5C_ADDR(RS5C372_REG_SECS);
-	buf[0] = BIN2BCD(tm->tm_sec);
-	buf[1] = BIN2BCD(tm->tm_min);
+	buf[0] = bin2bcd(tm->tm_sec);
+	buf[1] = bin2bcd(tm->tm_min);
 	buf[2] = rs5c_hr2reg(rs5c, tm->tm_hour);
-	buf[3] = BIN2BCD(tm->tm_wday);
-	buf[4] = BIN2BCD(tm->tm_mday);
-	buf[5] = BIN2BCD(tm->tm_mon + 1);
-	buf[6] = BIN2BCD(tm->tm_year - 100);
+	buf[3] = bin2bcd(tm->tm_wday);
+	buf[4] = bin2bcd(tm->tm_mday);
+	buf[5] = bin2bcd(tm->tm_mon + 1);
+	buf[6] = bin2bcd(tm->tm_year - 100);
 
 	if (i2c_smbus_write_i2c_block_data(client, addr, sizeof(buf), buf) < 0) {
 		dev_err(&client->dev, "%s: write error\n", __func__);
@@ -367,7 +367,7 @@ static int rs5c_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 
 	/* report alarm time */
 	t->time.tm_sec = 0;
-	t->time.tm_min = BCD2BIN(rs5c->regs[RS5C_REG_ALARM_A_MIN] & 0x7f);
+	t->time.tm_min = bcd2bin(rs5c->regs[RS5C_REG_ALARM_A_MIN] & 0x7f);
 	t->time.tm_hour = rs5c_reg2hr(rs5c, rs5c->regs[RS5C_REG_ALARM_A_HOURS]);
 	t->time.tm_mday = -1;
 	t->time.tm_mon = -1;
@@ -413,7 +413,7 @@ static int rs5c_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 	}
 
 	/* set alarm */
-	buf[0] = BIN2BCD(t->time.tm_min);
+	buf[0] = bin2bcd(t->time.tm_min);
 	buf[1] = rs5c_hr2reg(rs5c, t->time.tm_hour);
 	buf[2] = 0x7f;	/* any/all days */
 
diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index a6fa1f2f2ca..def4d396d0b 100644
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -104,12 +104,12 @@ static int s35390a_disable_test_mode(struct s35390a *s35390a)
 static char s35390a_hr2reg(struct s35390a *s35390a, int hour)
 {
 	if (s35390a->twentyfourhour)
-		return BIN2BCD(hour);
+		return bin2bcd(hour);
 
 	if (hour < 12)
-		return BIN2BCD(hour);
+		return bin2bcd(hour);
 
-	return 0x40 | BIN2BCD(hour - 12);
+	return 0x40 | bin2bcd(hour - 12);
 }
 
 static int s35390a_reg2hr(struct s35390a *s35390a, char reg)
@@ -117,9 +117,9 @@ static int s35390a_reg2hr(struct s35390a *s35390a, char reg)
 	unsigned hour;
 
 	if (s35390a->twentyfourhour)
-		return BCD2BIN(reg & 0x3f);
+		return bcd2bin(reg & 0x3f);
 
-	hour = BCD2BIN(reg & 0x3f);
+	hour = bcd2bin(reg & 0x3f);
 	if (reg & 0x40)
 		hour += 12;
 
@@ -137,13 +137,13 @@ static int s35390a_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 		tm->tm_min, tm->tm_hour, tm->tm_mday, tm->tm_mon, tm->tm_year,
 		tm->tm_wday);
 
-	buf[S35390A_BYTE_YEAR] = BIN2BCD(tm->tm_year - 100);
-	buf[S35390A_BYTE_MONTH] = BIN2BCD(tm->tm_mon + 1);
-	buf[S35390A_BYTE_DAY] = BIN2BCD(tm->tm_mday);
-	buf[S35390A_BYTE_WDAY] = BIN2BCD(tm->tm_wday);
+	buf[S35390A_BYTE_YEAR] = bin2bcd(tm->tm_year - 100);
+	buf[S35390A_BYTE_MONTH] = bin2bcd(tm->tm_mon + 1);
+	buf[S35390A_BYTE_DAY] = bin2bcd(tm->tm_mday);
+	buf[S35390A_BYTE_WDAY] = bin2bcd(tm->tm_wday);
 	buf[S35390A_BYTE_HOURS] = s35390a_hr2reg(s35390a, tm->tm_hour);
-	buf[S35390A_BYTE_MINS] = BIN2BCD(tm->tm_min);
-	buf[S35390A_BYTE_SECS] = BIN2BCD(tm->tm_sec);
+	buf[S35390A_BYTE_MINS] = bin2bcd(tm->tm_min);
+	buf[S35390A_BYTE_SECS] = bin2bcd(tm->tm_sec);
 
 	/* This chip expects the bits of each byte to be in reverse order */
 	for (i = 0; i < 7; ++i)
@@ -168,13 +168,13 @@ static int s35390a_get_datetime(struct i2c_client *client, struct rtc_time *tm)
 	for (i = 0; i < 7; ++i)
 		buf[i] = bitrev8(buf[i]);
 
-	tm->tm_sec = BCD2BIN(buf[S35390A_BYTE_SECS]);
-	tm->tm_min = BCD2BIN(buf[S35390A_BYTE_MINS]);
+	tm->tm_sec = bcd2bin(buf[S35390A_BYTE_SECS]);
+	tm->tm_min = bcd2bin(buf[S35390A_BYTE_MINS]);
 	tm->tm_hour = s35390a_reg2hr(s35390a, buf[S35390A_BYTE_HOURS]);
-	tm->tm_wday = BCD2BIN(buf[S35390A_BYTE_WDAY]);
-	tm->tm_mday = BCD2BIN(buf[S35390A_BYTE_DAY]);
-	tm->tm_mon = BCD2BIN(buf[S35390A_BYTE_MONTH]) - 1;
-	tm->tm_year = BCD2BIN(buf[S35390A_BYTE_YEAR]) + 100;
+	tm->tm_wday = bcd2bin(buf[S35390A_BYTE_WDAY]);
+	tm->tm_mday = bcd2bin(buf[S35390A_BYTE_DAY]);
+	tm->tm_mon = bcd2bin(buf[S35390A_BYTE_MONTH]) - 1;
+	tm->tm_year = bcd2bin(buf[S35390A_BYTE_YEAR]) + 100;
 
 	dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, mday=%d, "
 		"mon=%d, year=%d, wday=%d\n", __func__, tm->tm_sec,
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index e7d19b6c265..910bc704939 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -134,12 +134,12 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 		 rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
 		 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
 
-	BCD_TO_BIN(rtc_tm->tm_sec);
-	BCD_TO_BIN(rtc_tm->tm_min);
-	BCD_TO_BIN(rtc_tm->tm_hour);
-	BCD_TO_BIN(rtc_tm->tm_mday);
-	BCD_TO_BIN(rtc_tm->tm_mon);
-	BCD_TO_BIN(rtc_tm->tm_year);
+	rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+	rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+	rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+	rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+	rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+	rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
 
 	rtc_tm->tm_year += 100;
 	rtc_tm->tm_mon -= 1;
@@ -163,12 +163,12 @@ static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
 		return -EINVAL;
 	}
 
-	writeb(BIN2BCD(tm->tm_sec),  base + S3C2410_RTCSEC);
-	writeb(BIN2BCD(tm->tm_min),  base + S3C2410_RTCMIN);
-	writeb(BIN2BCD(tm->tm_hour), base + S3C2410_RTCHOUR);
-	writeb(BIN2BCD(tm->tm_mday), base + S3C2410_RTCDATE);
-	writeb(BIN2BCD(tm->tm_mon + 1), base + S3C2410_RTCMON);
-	writeb(BIN2BCD(year), base + S3C2410_RTCYEAR);
+	writeb(bin2bcd(tm->tm_sec),  base + S3C2410_RTCSEC);
+	writeb(bin2bcd(tm->tm_min),  base + S3C2410_RTCMIN);
+	writeb(bin2bcd(tm->tm_hour), base + S3C2410_RTCHOUR);
+	writeb(bin2bcd(tm->tm_mday), base + S3C2410_RTCDATE);
+	writeb(bin2bcd(tm->tm_mon + 1), base + S3C2410_RTCMON);
+	writeb(bin2bcd(year), base + S3C2410_RTCYEAR);
 
 	return 0;
 }
@@ -199,34 +199,34 @@ static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	/* decode the alarm enable field */
 
 	if (alm_en & S3C2410_RTCALM_SECEN)
-		BCD_TO_BIN(alm_tm->tm_sec);
+		alm_tm->tm_sec = bcd2bin(alm_tm->tm_sec);
 	else
 		alm_tm->tm_sec = 0xff;
 
 	if (alm_en & S3C2410_RTCALM_MINEN)
-		BCD_TO_BIN(alm_tm->tm_min);
+		alm_tm->tm_min = bcd2bin(alm_tm->tm_min);
 	else
 		alm_tm->tm_min = 0xff;
 
 	if (alm_en & S3C2410_RTCALM_HOUREN)
-		BCD_TO_BIN(alm_tm->tm_hour);
+		alm_tm->tm_hour = bcd2bin(alm_tm->tm_hour);
 	else
 		alm_tm->tm_hour = 0xff;
 
 	if (alm_en & S3C2410_RTCALM_DAYEN)
-		BCD_TO_BIN(alm_tm->tm_mday);
+		alm_tm->tm_mday = bcd2bin(alm_tm->tm_mday);
 	else
 		alm_tm->tm_mday = 0xff;
 
 	if (alm_en & S3C2410_RTCALM_MONEN) {
-		BCD_TO_BIN(alm_tm->tm_mon);
+		alm_tm->tm_mon = bcd2bin(alm_tm->tm_mon);
 		alm_tm->tm_mon -= 1;
 	} else {
 		alm_tm->tm_mon = 0xff;
 	}
 
 	if (alm_en & S3C2410_RTCALM_YEAREN)
-		BCD_TO_BIN(alm_tm->tm_year);
+		alm_tm->tm_year = bcd2bin(alm_tm->tm_year);
 	else
 		alm_tm->tm_year = 0xffff;
 
@@ -250,17 +250,17 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 	if (tm->tm_sec < 60 && tm->tm_sec >= 0) {
 		alrm_en |= S3C2410_RTCALM_SECEN;
-		writeb(BIN2BCD(tm->tm_sec), base + S3C2410_ALMSEC);
+		writeb(bin2bcd(tm->tm_sec), base + S3C2410_ALMSEC);
 	}
 
 	if (tm->tm_min < 60 && tm->tm_min >= 0) {
 		alrm_en |= S3C2410_RTCALM_MINEN;
-		writeb(BIN2BCD(tm->tm_min), base + S3C2410_ALMMIN);
+		writeb(bin2bcd(tm->tm_min), base + S3C2410_ALMMIN);
 	}
 
 	if (tm->tm_hour < 24 && tm->tm_hour >= 0) {
 		alrm_en |= S3C2410_RTCALM_HOUREN;
-		writeb(BIN2BCD(tm->tm_hour), base + S3C2410_ALMHOUR);
+		writeb(bin2bcd(tm->tm_hour), base + S3C2410_ALMHOUR);
 	}
 
 	pr_debug("setting S3C2410_RTCALM to %08x\n", alrm_en);
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index fcead4c4cd1..1ec297128ea 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -324,23 +324,23 @@ static int sh_rtc_read_time(struct device *dev, struct rtc_time *tm)
 
 		sec128 = readb(rtc->regbase + R64CNT);
 
-		tm->tm_sec	= BCD2BIN(readb(rtc->regbase + RSECCNT));
-		tm->tm_min	= BCD2BIN(readb(rtc->regbase + RMINCNT));
-		tm->tm_hour	= BCD2BIN(readb(rtc->regbase + RHRCNT));
-		tm->tm_wday	= BCD2BIN(readb(rtc->regbase + RWKCNT));
-		tm->tm_mday	= BCD2BIN(readb(rtc->regbase + RDAYCNT));
-		tm->tm_mon	= BCD2BIN(readb(rtc->regbase + RMONCNT)) - 1;
+		tm->tm_sec	= bcd2bin(readb(rtc->regbase + RSECCNT));
+		tm->tm_min	= bcd2bin(readb(rtc->regbase + RMINCNT));
+		tm->tm_hour	= bcd2bin(readb(rtc->regbase + RHRCNT));
+		tm->tm_wday	= bcd2bin(readb(rtc->regbase + RWKCNT));
+		tm->tm_mday	= bcd2bin(readb(rtc->regbase + RDAYCNT));
+		tm->tm_mon	= bcd2bin(readb(rtc->regbase + RMONCNT)) - 1;
 
 		if (rtc->capabilities & RTC_CAP_4_DIGIT_YEAR) {
 			yr  = readw(rtc->regbase + RYRCNT);
-			yr100 = BCD2BIN(yr >> 8);
+			yr100 = bcd2bin(yr >> 8);
 			yr &= 0xff;
 		} else {
 			yr  = readb(rtc->regbase + RYRCNT);
-			yr100 = BCD2BIN((yr == 0x99) ? 0x19 : 0x20);
+			yr100 = bcd2bin((yr == 0x99) ? 0x19 : 0x20);
 		}
 
-		tm->tm_year = (yr100 * 100 + BCD2BIN(yr)) - 1900;
+		tm->tm_year = (yr100 * 100 + bcd2bin(yr)) - 1900;
 
 		sec2 = readb(rtc->regbase + R64CNT);
 		cf_bit = readb(rtc->regbase + RCR1) & RCR1_CF;
@@ -382,20 +382,20 @@ static int sh_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	tmp &= ~RCR2_START;
 	writeb(tmp, rtc->regbase + RCR2);
 
-	writeb(BIN2BCD(tm->tm_sec),  rtc->regbase + RSECCNT);
-	writeb(BIN2BCD(tm->tm_min),  rtc->regbase + RMINCNT);
-	writeb(BIN2BCD(tm->tm_hour), rtc->regbase + RHRCNT);
-	writeb(BIN2BCD(tm->tm_wday), rtc->regbase + RWKCNT);
-	writeb(BIN2BCD(tm->tm_mday), rtc->regbase + RDAYCNT);
-	writeb(BIN2BCD(tm->tm_mon + 1), rtc->regbase + RMONCNT);
+	writeb(bin2bcd(tm->tm_sec),  rtc->regbase + RSECCNT);
+	writeb(bin2bcd(tm->tm_min),  rtc->regbase + RMINCNT);
+	writeb(bin2bcd(tm->tm_hour), rtc->regbase + RHRCNT);
+	writeb(bin2bcd(tm->tm_wday), rtc->regbase + RWKCNT);
+	writeb(bin2bcd(tm->tm_mday), rtc->regbase + RDAYCNT);
+	writeb(bin2bcd(tm->tm_mon + 1), rtc->regbase + RMONCNT);
 
 	if (rtc->capabilities & RTC_CAP_4_DIGIT_YEAR) {
-		year = (BIN2BCD((tm->tm_year + 1900) / 100) << 8) |
-			BIN2BCD(tm->tm_year % 100);
+		year = (bin2bcd((tm->tm_year + 1900) / 100) << 8) |
+			bin2bcd(tm->tm_year % 100);
 		writew(year, rtc->regbase + RYRCNT);
 	} else {
 		year = tm->tm_year % 100;
-		writeb(BIN2BCD(year), rtc->regbase + RYRCNT);
+		writeb(bin2bcd(year), rtc->regbase + RYRCNT);
 	}
 
 	/* Start RTC */
@@ -417,7 +417,7 @@ static inline int sh_rtc_read_alarm_value(struct sh_rtc *rtc, int reg_off)
 	byte = readb(rtc->regbase + reg_off);
 	if (byte & AR_ENB) {
 		byte &= ~AR_ENB;	/* strip the enable bit */
-		value = BCD2BIN(byte);
+		value = bcd2bin(byte);
 	}
 
 	return value;
@@ -455,7 +455,7 @@ static inline void sh_rtc_write_alarm_value(struct sh_rtc *rtc,
 	if (value < 0)
 		writeb(0, rtc->regbase + reg_off);
 	else
-		writeb(BIN2BCD(value) | AR_ENB,  rtc->regbase + reg_off);
+		writeb(bin2bcd(value) | AR_ENB,  rtc->regbase + reg_off);
 }
 
 static int sh_rtc_check_alarm(struct rtc_time *tm)
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 9a7e920315f..0947f8c2395 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -82,14 +82,14 @@ static int stk17ta8_rtc_set_time(struct device *dev, struct rtc_time *tm)
 	flags = readb(pdata->ioaddr + RTC_FLAGS);
 	writeb(flags | RTC_WRITE, pdata->ioaddr + RTC_FLAGS);
 
-	writeb(BIN2BCD(tm->tm_year % 100), ioaddr + RTC_YEAR);
-	writeb(BIN2BCD(tm->tm_mon + 1), ioaddr + RTC_MONTH);
-	writeb(BIN2BCD(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
-	writeb(BIN2BCD(tm->tm_mday), ioaddr + RTC_DATE);
-	writeb(BIN2BCD(tm->tm_hour), ioaddr + RTC_HOURS);
-	writeb(BIN2BCD(tm->tm_min), ioaddr + RTC_MINUTES);
-	writeb(BIN2BCD(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
-	writeb(BIN2BCD((tm->tm_year + 1900) / 100), ioaddr + RTC_CENTURY);
+	writeb(bin2bcd(tm->tm_year % 100), ioaddr + RTC_YEAR);
+	writeb(bin2bcd(tm->tm_mon + 1), ioaddr + RTC_MONTH);
+	writeb(bin2bcd(tm->tm_wday) & RTC_DAY_MASK, ioaddr + RTC_DAY);
+	writeb(bin2bcd(tm->tm_mday), ioaddr + RTC_DATE);
+	writeb(bin2bcd(tm->tm_hour), ioaddr + RTC_HOURS);
+	writeb(bin2bcd(tm->tm_min), ioaddr + RTC_MINUTES);
+	writeb(bin2bcd(tm->tm_sec) & RTC_SECONDS_MASK, ioaddr + RTC_SECONDS);
+	writeb(bin2bcd((tm->tm_year + 1900) / 100), ioaddr + RTC_CENTURY);
 
 	writeb(flags & ~RTC_WRITE, pdata->ioaddr + RTC_FLAGS);
 	return 0;
@@ -120,14 +120,14 @@ static int stk17ta8_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	year = readb(ioaddr + RTC_YEAR);
 	century = readb(ioaddr + RTC_CENTURY);
 	writeb(flags & ~RTC_READ, ioaddr + RTC_FLAGS);
-	tm->tm_sec = BCD2BIN(second);
-	tm->tm_min = BCD2BIN(minute);
-	tm->tm_hour = BCD2BIN(hour);
-	tm->tm_mday = BCD2BIN(day);
-	tm->tm_wday = BCD2BIN(week);
-	tm->tm_mon = BCD2BIN(month) - 1;
+	tm->tm_sec = bcd2bin(second);
+	tm->tm_min = bcd2bin(minute);
+	tm->tm_hour = bcd2bin(hour);
+	tm->tm_mday = bcd2bin(day);
+	tm->tm_wday = bcd2bin(week);
+	tm->tm_mon = bcd2bin(month) - 1;
 	/* year is 1900 + tm->tm_year */
-	tm->tm_year = BCD2BIN(year) + BCD2BIN(century) * 100 - 1900;
+	tm->tm_year = bcd2bin(year) + bcd2bin(century) * 100 - 1900;
 
 	if (rtc_valid_tm(tm) < 0) {
 		dev_err(dev, "retrieved date/time is not valid.\n");
@@ -148,16 +148,16 @@ static void stk17ta8_rtc_update_alarm(struct rtc_plat_data *pdata)
 	writeb(flags | RTC_WRITE, ioaddr + RTC_FLAGS);
 
 	writeb(pdata->alrm_mday < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_mday),
+	       0x80 : bin2bcd(pdata->alrm_mday),
 	       ioaddr + RTC_DATE_ALARM);
 	writeb(pdata->alrm_hour < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_hour),
+	       0x80 : bin2bcd(pdata->alrm_hour),
 	       ioaddr + RTC_HOURS_ALARM);
 	writeb(pdata->alrm_min < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_min),
+	       0x80 : bin2bcd(pdata->alrm_min),
 	       ioaddr + RTC_MINUTES_ALARM);
 	writeb(pdata->alrm_sec < 0 || (pdata->irqen & RTC_UF) ?
-	       0x80 : BIN2BCD(pdata->alrm_sec),
+	       0x80 : bin2bcd(pdata->alrm_sec),
 	       ioaddr + RTC_SECONDS_ALARM);
 	writeb(pdata->irqen ? RTC_INTS_AIE : 0, ioaddr + RTC_INTERRUPTS);
 	readb(ioaddr + RTC_FLAGS);	/* clear interrupts */
diff --git a/drivers/rtc/rtc-v3020.c b/drivers/rtc/rtc-v3020.c
index 10025d84026..14d4f036a76 100644
--- a/drivers/rtc/rtc-v3020.c
+++ b/drivers/rtc/rtc-v3020.c
@@ -92,19 +92,19 @@ static int v3020_read_time(struct device *dev, struct rtc_time *dt)
 
 	/* ...and then read constant values. */
 	tmp = v3020_get_reg(chip, V3020_SECONDS);
-	dt->tm_sec	= BCD2BIN(tmp);
+	dt->tm_sec	= bcd2bin(tmp);
 	tmp = v3020_get_reg(chip, V3020_MINUTES);
-	dt->tm_min	= BCD2BIN(tmp);
+	dt->tm_min	= bcd2bin(tmp);
 	tmp = v3020_get_reg(chip, V3020_HOURS);
-	dt->tm_hour	= BCD2BIN(tmp);
+	dt->tm_hour	= bcd2bin(tmp);
 	tmp = v3020_get_reg(chip, V3020_MONTH_DAY);
-	dt->tm_mday	= BCD2BIN(tmp);
+	dt->tm_mday	= bcd2bin(tmp);
 	tmp = v3020_get_reg(chip, V3020_MONTH);
-	dt->tm_mon    = BCD2BIN(tmp) - 1;
+	dt->tm_mon    = bcd2bin(tmp) - 1;
 	tmp = v3020_get_reg(chip, V3020_WEEK_DAY);
-	dt->tm_wday	= BCD2BIN(tmp);
+	dt->tm_wday	= bcd2bin(tmp);
 	tmp = v3020_get_reg(chip, V3020_YEAR);
-	dt->tm_year = BCD2BIN(tmp)+100;
+	dt->tm_year = bcd2bin(tmp)+100;
 
 #ifdef DEBUG
 	printk("\n%s : Read RTC values\n",__func__);
@@ -136,13 +136,13 @@ static int v3020_set_time(struct device *dev, struct rtc_time *dt)
 #endif
 
 	/* Write all the values to ram... */
-	v3020_set_reg(chip, V3020_SECONDS, 	BIN2BCD(dt->tm_sec));
-	v3020_set_reg(chip, V3020_MINUTES, 	BIN2BCD(dt->tm_min));
-	v3020_set_reg(chip, V3020_HOURS, 	BIN2BCD(dt->tm_hour));
-	v3020_set_reg(chip, V3020_MONTH_DAY,	BIN2BCD(dt->tm_mday));
-	v3020_set_reg(chip, V3020_MONTH,     BIN2BCD(dt->tm_mon + 1));
-	v3020_set_reg(chip, V3020_WEEK_DAY, 	BIN2BCD(dt->tm_wday));
-	v3020_set_reg(chip, V3020_YEAR, 	BIN2BCD(dt->tm_year % 100));
+	v3020_set_reg(chip, V3020_SECONDS, 	bin2bcd(dt->tm_sec));
+	v3020_set_reg(chip, V3020_MINUTES, 	bin2bcd(dt->tm_min));
+	v3020_set_reg(chip, V3020_HOURS, 	bin2bcd(dt->tm_hour));
+	v3020_set_reg(chip, V3020_MONTH_DAY,	bin2bcd(dt->tm_mday));
+	v3020_set_reg(chip, V3020_MONTH,     bin2bcd(dt->tm_mon + 1));
+	v3020_set_reg(chip, V3020_WEEK_DAY, 	bin2bcd(dt->tm_wday));
+	v3020_set_reg(chip, V3020_YEAR, 	bin2bcd(dt->tm_year % 100));
 
 	/* ...and set the clock. */
 	v3020_set_reg(chip, V3020_CMD_RAM2CLOCK, 0);
diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c
index 7dcfba1bbfe..310c10795e9 100644
--- a/drivers/rtc/rtc-x1205.c
+++ b/drivers/rtc/rtc-x1205.c
@@ -118,13 +118,13 @@ static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm,
 		for (i = 0; i <= 4; i++)
 			buf[i] &= 0x7F;
 
-	tm->tm_sec = BCD2BIN(buf[CCR_SEC]);
-	tm->tm_min = BCD2BIN(buf[CCR_MIN]);
-	tm->tm_hour = BCD2BIN(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */
-	tm->tm_mday = BCD2BIN(buf[CCR_MDAY]);
-	tm->tm_mon = BCD2BIN(buf[CCR_MONTH]) - 1; /* mon is 0-11 */
-	tm->tm_year = BCD2BIN(buf[CCR_YEAR])
-			+ (BCD2BIN(buf[CCR_Y2K]) * 100) - 1900;
+	tm->tm_sec = bcd2bin(buf[CCR_SEC]);
+	tm->tm_min = bcd2bin(buf[CCR_MIN]);
+	tm->tm_hour = bcd2bin(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */
+	tm->tm_mday = bcd2bin(buf[CCR_MDAY]);
+	tm->tm_mon = bcd2bin(buf[CCR_MONTH]) - 1; /* mon is 0-11 */
+	tm->tm_year = bcd2bin(buf[CCR_YEAR])
+			+ (bcd2bin(buf[CCR_Y2K]) * 100) - 1900;
 	tm->tm_wday = buf[CCR_WDAY];
 
 	dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
@@ -174,11 +174,11 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
 		__func__,
 		tm->tm_sec, tm->tm_min, tm->tm_hour);
 
-	buf[CCR_SEC] = BIN2BCD(tm->tm_sec);
-	buf[CCR_MIN] = BIN2BCD(tm->tm_min);
+	buf[CCR_SEC] = bin2bcd(tm->tm_sec);
+	buf[CCR_MIN] = bin2bcd(tm->tm_min);
 
 	/* set hour and 24hr bit */
-	buf[CCR_HOUR] = BIN2BCD(tm->tm_hour) | X1205_HR_MIL;
+	buf[CCR_HOUR] = bin2bcd(tm->tm_hour) | X1205_HR_MIL;
 
 	/* should we also set the date? */
 	if (datetoo) {
@@ -187,15 +187,15 @@ static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
 			__func__,
 			tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
 
-		buf[CCR_MDAY] = BIN2BCD(tm->tm_mday);
+		buf[CCR_MDAY] = bin2bcd(tm->tm_mday);
 
 		/* month, 1 - 12 */
-		buf[CCR_MONTH] = BIN2BCD(tm->tm_mon + 1);
+		buf[CCR_MONTH] = bin2bcd(tm->tm_mon + 1);
 
 		/* year, since the rtc epoch*/
-		buf[CCR_YEAR] = BIN2BCD(tm->tm_year % 100);
+		buf[CCR_YEAR] = bin2bcd(tm->tm_year % 100);
 		buf[CCR_WDAY] = tm->tm_wday & 0x07;
-		buf[CCR_Y2K] = BIN2BCD(tm->tm_year / 100);
+		buf[CCR_Y2K] = bin2bcd(tm->tm_year / 100);
 	}
 
 	/* If writing alarm registers, set compare bits on registers 0-4 */
@@ -437,7 +437,7 @@ static int x1205_validate_client(struct i2c_client *client)
 			return -EIO;
 		}
 
-		value = BCD2BIN(reg & probe_limits_pattern[i].mask);
+		value = bcd2bin(reg & probe_limits_pattern[i].mask);
 
 		if (value > probe_limits_pattern[i].max ||
 			value < probe_limits_pattern[i].min) {
-- 
GitLab


From 357c6e63590895dc87cc9300f5a1c27544ea69e8 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:42 -0700
Subject: [PATCH 1482/2224] rtc: use bcd2bin/bin2bcd

Change various rtc related code to use the new bcd2bin/bin2bcd functions
instead of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/kernel/rtc.c     | 20 ++++++++++----------
 drivers/char/ds1286.c     | 34 ++++++++++++++++-----------------
 drivers/char/ds1302.c     | 24 +++++++++++------------
 drivers/char/ip27-rtc.c   | 24 +++++++++++------------
 drivers/char/rtc.c        | 40 +++++++++++++++++++--------------------
 include/asm-generic/rtc.h | 24 +++++++++++------------
 6 files changed, 83 insertions(+), 83 deletions(-)

diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 0a23b5795b2..dd6f2b71561 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -52,7 +52,7 @@ int mach_set_rtc_mmss(unsigned long nowtime)
 
 	cmos_minutes = CMOS_READ(RTC_MINUTES);
 	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		BCD_TO_BIN(cmos_minutes);
+		cmos_minutes = bcd2bin(cmos_minutes);
 
 	/*
 	 * since we're only adjusting minutes and seconds,
@@ -69,8 +69,8 @@ int mach_set_rtc_mmss(unsigned long nowtime)
 
 	if (abs(real_minutes - cmos_minutes) < 30) {
 		if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-			BIN_TO_BCD(real_seconds);
-			BIN_TO_BCD(real_minutes);
+			real_seconds = bin2bcd(real_seconds);
+			real_minutes = bin2bcd(real_minutes);
 		}
 		CMOS_WRITE(real_seconds,RTC_SECONDS);
 		CMOS_WRITE(real_minutes,RTC_MINUTES);
@@ -124,16 +124,16 @@ unsigned long mach_get_cmos_time(void)
 	WARN_ON_ONCE(RTC_ALWAYS_BCD && (status & RTC_DM_BINARY));
 
 	if (RTC_ALWAYS_BCD || !(status & RTC_DM_BINARY)) {
-		BCD_TO_BIN(sec);
-		BCD_TO_BIN(min);
-		BCD_TO_BIN(hour);
-		BCD_TO_BIN(day);
-		BCD_TO_BIN(mon);
-		BCD_TO_BIN(year);
+		sec = bcd2bin(sec);
+		min = bcd2bin(min);
+		hour = bcd2bin(hour);
+		day = bcd2bin(day);
+		mon = bcd2bin(mon);
+		year = bcd2bin(year);
 	}
 
 	if (century) {
-		BCD_TO_BIN(century);
+		century = bcd2bin(century);
 		year += century * 100;
 		printk(KERN_INFO "Extended CMOS year: %d\n", century * 100);
 	} else
diff --git a/drivers/char/ds1286.c b/drivers/char/ds1286.c
index 5329d482b58..0a826d7be10 100644
--- a/drivers/char/ds1286.c
+++ b/drivers/char/ds1286.c
@@ -210,8 +210,8 @@ static int ds1286_ioctl(struct inode *inode, struct file *file,
 		if (sec != 0)
 			return -EINVAL;
 
-		min = BIN2BCD(min);
-		min = BIN2BCD(hrs);
+		min = bin2bcd(min);
+		min = bin2bcd(hrs);
 
 		spin_lock(&ds1286_lock);
 		rtc_write(hrs, RTC_HOURS_ALARM);
@@ -353,7 +353,7 @@ static int ds1286_proc_output(char *buf)
 
 	ds1286_get_time(&tm);
 	hundredth = rtc_read(RTC_HUNDREDTH_SECOND);
-	BCD_TO_BIN(hundredth);
+	hundredth = bcd2bin(hundredth);
 
 	p += sprintf(p,
 	             "rtc_time\t: %02d:%02d:%02d.%02d\n"
@@ -477,12 +477,12 @@ static void ds1286_get_time(struct rtc_time *rtc_tm)
 	rtc_write(save_control, RTC_CMD);
 	spin_unlock_irqrestore(&ds1286_lock, flags);
 
-	BCD_TO_BIN(rtc_tm->tm_sec);
-	BCD_TO_BIN(rtc_tm->tm_min);
-	BCD_TO_BIN(rtc_tm->tm_hour);
-	BCD_TO_BIN(rtc_tm->tm_mday);
-	BCD_TO_BIN(rtc_tm->tm_mon);
-	BCD_TO_BIN(rtc_tm->tm_year);
+	rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+	rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+	rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+	rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+	rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+	rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
 
 	/*
 	 * Account for differences between how the RTC uses the values
@@ -531,12 +531,12 @@ static int ds1286_set_time(struct rtc_time *rtc_tm)
 	if (yrs >= 100)
 		yrs -= 100;
 
-	BIN_TO_BCD(sec);
-	BIN_TO_BCD(min);
-	BIN_TO_BCD(hrs);
-	BIN_TO_BCD(day);
-	BIN_TO_BCD(mon);
-	BIN_TO_BCD(yrs);
+	sec = bin2bcd(sec);
+	min = bin2bcd(min);
+	hrs = bin2bcd(hrs);
+	day = bin2bcd(day);
+	mon = bin2bcd(mon);
+	yrs = bin2bcd(yrs);
 
 	spin_lock_irqsave(&ds1286_lock, flags);
 	save_control = rtc_read(RTC_CMD);
@@ -572,8 +572,8 @@ static void ds1286_get_alm_time(struct rtc_time *alm_tm)
 	cmd = rtc_read(RTC_CMD);
 	spin_unlock_irqrestore(&ds1286_lock, flags);
 
-	BCD_TO_BIN(alm_tm->tm_min);
-	BCD_TO_BIN(alm_tm->tm_hour);
+	alm_tm->tm_min = bcd2bin(alm_tm->tm_min);
+	alm_tm->tm_hour = bcd2bin(alm_tm->tm_hour);
 	alm_tm->tm_sec = 0;
 }
 
diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c
index c5e67a62395..170693c93c7 100644
--- a/drivers/char/ds1302.c
+++ b/drivers/char/ds1302.c
@@ -131,12 +131,12 @@ get_rtc_time(struct rtc_time *rtc_tm)
 
 	local_irq_restore(flags);
 
-	BCD_TO_BIN(rtc_tm->tm_sec);
-	BCD_TO_BIN(rtc_tm->tm_min);
-	BCD_TO_BIN(rtc_tm->tm_hour);
-	BCD_TO_BIN(rtc_tm->tm_mday);
-	BCD_TO_BIN(rtc_tm->tm_mon);
-	BCD_TO_BIN(rtc_tm->tm_year);
+	rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+	rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+	rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+	rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+	rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+	rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
 
 	/*
 	 * Account for differences between how the RTC uses the values
@@ -211,12 +211,12 @@ static long rtc_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			else
 				yrs -= 1900;	/* RTC (70, 71, ... 99) */
 
-			BIN_TO_BCD(sec);
-			BIN_TO_BCD(min);
-			BIN_TO_BCD(hrs);
-			BIN_TO_BCD(day);
-			BIN_TO_BCD(mon);
-			BIN_TO_BCD(yrs);
+			sec = bin2bcd(sec);
+			min = bin2bcd(min);
+			hrs = bin2bcd(hrs);
+			day = bin2bcd(day);
+			mon = bin2bcd(mon);
+			yrs = bin2bcd(yrs);
 
 			lock_kernel();
 			local_irq_save(flags);
diff --git a/drivers/char/ip27-rtc.c b/drivers/char/ip27-rtc.c
index ec9d0443d92..2abd881b4cb 100644
--- a/drivers/char/ip27-rtc.c
+++ b/drivers/char/ip27-rtc.c
@@ -130,12 +130,12 @@ static long rtc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		if (yrs >= 100)
 			yrs -= 100;
 
-		sec = BIN2BCD(sec);
-		min = BIN2BCD(min);
-		hrs = BIN2BCD(hrs);
-		day = BIN2BCD(day);
-		mon = BIN2BCD(mon);
-		yrs = BIN2BCD(yrs);
+		sec = bin2bcd(sec);
+		min = bin2bcd(min);
+		hrs = bin2bcd(hrs);
+		day = bin2bcd(day);
+		mon = bin2bcd(mon);
+		yrs = bin2bcd(yrs);
 
 		spin_lock_irq(&rtc_lock);
 		rtc->control |= M48T35_RTC_SET;
@@ -311,12 +311,12 @@ static void get_rtc_time(struct rtc_time *rtc_tm)
 	rtc->control &= ~M48T35_RTC_READ;
 	spin_unlock_irq(&rtc_lock);
 
-	rtc_tm->tm_sec = BCD2BIN(rtc_tm->tm_sec);
-	rtc_tm->tm_min = BCD2BIN(rtc_tm->tm_min);
-	rtc_tm->tm_hour = BCD2BIN(rtc_tm->tm_hour);
-	rtc_tm->tm_mday = BCD2BIN(rtc_tm->tm_mday);
-	rtc_tm->tm_mon = BCD2BIN(rtc_tm->tm_mon);
-	rtc_tm->tm_year = BCD2BIN(rtc_tm->tm_year);
+	rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+	rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+	rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+	rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+	rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+	rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
 
 	/*
 	 * Account for differences between how the RTC uses the values
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 17683de9571..32dc89720d5 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -518,17 +518,17 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
 		if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) ||
 							RTC_ALWAYS_BCD) {
 			if (sec < 60)
-				BIN_TO_BCD(sec);
+				sec = bin2bcd(sec);
 			else
 				sec = 0xff;
 
 			if (min < 60)
-				BIN_TO_BCD(min);
+				min = bin2bcd(min);
 			else
 				min = 0xff;
 
 			if (hrs < 24)
-				BIN_TO_BCD(hrs);
+				hrs = bin2bcd(hrs);
 			else
 				hrs = 0xff;
 		}
@@ -614,12 +614,12 @@ static int rtc_do_ioctl(unsigned int cmd, unsigned long arg, int kernel)
 
 		if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY)
 		    || RTC_ALWAYS_BCD) {
-			BIN_TO_BCD(sec);
-			BIN_TO_BCD(min);
-			BIN_TO_BCD(hrs);
-			BIN_TO_BCD(day);
-			BIN_TO_BCD(mon);
-			BIN_TO_BCD(yrs);
+			sec = bin2bcd(sec);
+			min = bin2bcd(min);
+			hrs = bin2bcd(hrs);
+			day = bin2bcd(day);
+			mon = bin2bcd(mon);
+			yrs = bin2bcd(yrs);
 		}
 
 		save_control = CMOS_READ(RTC_CONTROL);
@@ -1099,7 +1099,7 @@ no_irq:
 	spin_unlock_irq(&rtc_lock);
 
 	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		BCD_TO_BIN(year);       /* This should never happen... */
+		year = bcd2bin(year);       /* This should never happen... */
 
 	if (year < 20) {
 		epoch = 2000;
@@ -1352,13 +1352,13 @@ static void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		BCD_TO_BIN(rtc_tm->tm_sec);
-		BCD_TO_BIN(rtc_tm->tm_min);
-		BCD_TO_BIN(rtc_tm->tm_hour);
-		BCD_TO_BIN(rtc_tm->tm_mday);
-		BCD_TO_BIN(rtc_tm->tm_mon);
-		BCD_TO_BIN(rtc_tm->tm_year);
-		BCD_TO_BIN(rtc_tm->tm_wday);
+		rtc_tm->tm_sec = bcd2bin(rtc_tm->tm_sec);
+		rtc_tm->tm_min = bcd2bin(rtc_tm->tm_min);
+		rtc_tm->tm_hour = bcd2bin(rtc_tm->tm_hour);
+		rtc_tm->tm_mday = bcd2bin(rtc_tm->tm_mday);
+		rtc_tm->tm_mon = bcd2bin(rtc_tm->tm_mon);
+		rtc_tm->tm_year = bcd2bin(rtc_tm->tm_year);
+		rtc_tm->tm_wday = bcd2bin(rtc_tm->tm_wday);
 	}
 
 #ifdef CONFIG_MACH_DECSTATION
@@ -1392,9 +1392,9 @@ static void get_rtc_alm_time(struct rtc_time *alm_tm)
 	spin_unlock_irq(&rtc_lock);
 
 	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		BCD_TO_BIN(alm_tm->tm_sec);
-		BCD_TO_BIN(alm_tm->tm_min);
-		BCD_TO_BIN(alm_tm->tm_hour);
+		alm_tm->tm_sec = bcd2bin(alm_tm->tm_sec);
+		alm_tm->tm_min = bcd2bin(alm_tm->tm_min);
+		alm_tm->tm_hour = bcd2bin(alm_tm->tm_hour);
 	}
 }
 
diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h
index 71ef3f0b968..89061c1a67d 100644
--- a/include/asm-generic/rtc.h
+++ b/include/asm-generic/rtc.h
@@ -84,12 +84,12 @@ static inline unsigned int get_rtc_time(struct rtc_time *time)
 
 	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
 	{
-		BCD_TO_BIN(time->tm_sec);
-		BCD_TO_BIN(time->tm_min);
-		BCD_TO_BIN(time->tm_hour);
-		BCD_TO_BIN(time->tm_mday);
-		BCD_TO_BIN(time->tm_mon);
-		BCD_TO_BIN(time->tm_year);
+		time->tm_sec = bcd2bin(time->tm_sec);
+		time->tm_min = bcd2bin(time->tm_min);
+		time->tm_hour = bcd2bin(time->tm_hour);
+		time->tm_mday = bcd2bin(time->tm_mday);
+		time->tm_mon = bcd2bin(time->tm_mon);
+		time->tm_year = bcd2bin(time->tm_year);
 	}
 
 #ifdef CONFIG_MACH_DECSTATION
@@ -159,12 +159,12 @@ static inline int set_rtc_time(struct rtc_time *time)
 
 	if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY)
 	    || RTC_ALWAYS_BCD) {
-		BIN_TO_BCD(sec);
-		BIN_TO_BCD(min);
-		BIN_TO_BCD(hrs);
-		BIN_TO_BCD(day);
-		BIN_TO_BCD(mon);
-		BIN_TO_BCD(yrs);
+		sec = bin2bcd(sec);
+		min = bin2bcd(min);
+		hrs = bin2bcd(hrs);
+		day = bin2bcd(day);
+		mon = bin2bcd(mon);
+		yrs = bin2bcd(yrs);
 	}
 
 	save_control = CMOS_READ(RTC_CONTROL);
-- 
GitLab


From e232cfdc3d087d435c9ee767ddd4e6f52457d02a Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Sat, 18 Oct 2008 20:28:43 -0700
Subject: [PATCH 1483/2224] drivers/rtc/rtc-bq4802.c: don't use BIN_2_BCD and
 BCD_2_BIN

These are going away.

Cc: Takashi Iwai <tiwai@suse.de>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-bq4802.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c
index 189a018bdf3..d00a274df8f 100644
--- a/drivers/rtc/rtc-bq4802.c
+++ b/drivers/rtc/rtc-bq4802.c
@@ -71,14 +71,14 @@ static int bq4802_read_time(struct device *dev, struct rtc_time *tm)
 
 	spin_unlock_irqrestore(&p->lock, flags);
 
-	BCD_TO_BIN(tm->tm_sec);
-	BCD_TO_BIN(tm->tm_min);
-	BCD_TO_BIN(tm->tm_hour);
-	BCD_TO_BIN(tm->tm_mday);
-	BCD_TO_BIN(tm->tm_mon);
-	BCD_TO_BIN(tm->tm_year);
-	BCD_TO_BIN(tm->tm_wday);
-	BCD_TO_BIN(century);
+	tm->tm_sec = bcd2bin(tm->tm_sec);
+	tm->tm_min = bcd2bin(tm->tm_min);
+	tm->tm_hour = bcd2bin(tm->tm_hour);
+	tm->tm_mday = bcd2bin(tm->tm_mday);
+	tm->tm_mon = bcd2bin(tm->tm_mon);
+	tm->tm_year = bcd2bin(tm->tm_year);
+	tm->tm_wday = bcd2bin(tm->tm_wday);
+	century = bcd2bin(century);
 
 	tm->tm_year += (century * 100);
 	tm->tm_year -= 1900;
@@ -106,13 +106,13 @@ static int bq4802_set_time(struct device *dev, struct rtc_time *tm)
 	min = tm->tm_min;
 	sec = tm->tm_sec;
 
-	BIN_TO_BCD(sec);
-	BIN_TO_BCD(min);
-	BIN_TO_BCD(hrs);
-	BIN_TO_BCD(day);
-	BIN_TO_BCD(mon);
-	BIN_TO_BCD(yrs);
-	BIN_TO_BCD(century);
+	sec = bin2bcd(sec);
+	min = bin2bcd(min);
+	hrs = bin2bcd(hrs);
+	day = bin2bcd(day);
+	mon = bin2bcd(mon);
+	yrs = bin2bcd(yrs);
+	century = bin2bcd(century);
 
 	spin_lock_irqsave(&p->lock, flags);
 
-- 
GitLab


From 02112dbc925f664bc4d24ff098686b9d21bfbfb1 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:44 -0700
Subject: [PATCH 1484/2224] mips: use bcd2bin/bin2bcd

Changes mips to use the new bcd2bin/bin2bcd functions instead of the
obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/mips/dec/time.c                   | 18 ++++++++--------
 arch/mips/include/asm/mc146818-time.h  | 18 ++++++++--------
 arch/mips/pmc-sierra/yosemite/setup.c  | 30 +++++++++++++-------------
 arch/mips/sibyte/swarm/rtc_m41t81.c    | 26 +++++++++++-----------
 arch/mips/sibyte/swarm/rtc_xicor1241.c | 26 +++++++++++-----------
 5 files changed, 59 insertions(+), 59 deletions(-)

diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index 3965fda94a8..1359c03ded5 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -45,12 +45,12 @@ unsigned long read_persistent_clock(void)
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		sec = BCD2BIN(sec);
-		min = BCD2BIN(min);
-		hour = BCD2BIN(hour);
-		day = BCD2BIN(day);
-		mon = BCD2BIN(mon);
-		year = BCD2BIN(year);
+		sec = bcd2bin(sec);
+		min = bcd2bin(min);
+		hour = bcd2bin(hour);
+		day = bcd2bin(day);
+		mon = bcd2bin(mon);
+		year = bcd2bin(year);
 	}
 
 	year += real_year - 72 + 2000;
@@ -83,7 +83,7 @@ int rtc_mips_set_mmss(unsigned long nowtime)
 
 	cmos_minutes = CMOS_READ(RTC_MINUTES);
 	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		cmos_minutes = BCD2BIN(cmos_minutes);
+		cmos_minutes = bcd2bin(cmos_minutes);
 
 	/*
 	 * since we're only adjusting minutes and seconds,
@@ -99,8 +99,8 @@ int rtc_mips_set_mmss(unsigned long nowtime)
 
 	if (abs(real_minutes - cmos_minutes) < 30) {
 		if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-			real_seconds = BIN2BCD(real_seconds);
-			real_minutes = BIN2BCD(real_minutes);
+			real_seconds = bin2bcd(real_seconds);
+			real_minutes = bin2bcd(real_minutes);
 		}
 		CMOS_WRITE(real_seconds, RTC_SECONDS);
 		CMOS_WRITE(real_minutes, RTC_MINUTES);
diff --git a/arch/mips/include/asm/mc146818-time.h b/arch/mips/include/asm/mc146818-time.h
index cdc379a0a94..199b45733a9 100644
--- a/arch/mips/include/asm/mc146818-time.h
+++ b/arch/mips/include/asm/mc146818-time.h
@@ -44,7 +44,7 @@ static inline int mc146818_set_rtc_mmss(unsigned long nowtime)
 
 	cmos_minutes = CMOS_READ(RTC_MINUTES);
 	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		BCD_TO_BIN(cmos_minutes);
+		cmos_minutes = bcd2bin(cmos_minutes);
 
 	/*
 	 * since we're only adjusting minutes and seconds,
@@ -60,8 +60,8 @@ static inline int mc146818_set_rtc_mmss(unsigned long nowtime)
 
 	if (abs(real_minutes - cmos_minutes) < 30) {
 		if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-			BIN_TO_BCD(real_seconds);
-			BIN_TO_BCD(real_minutes);
+			real_seconds = bin2bcd(real_seconds);
+			real_minutes = bin2bcd(real_minutes);
 		}
 		CMOS_WRITE(real_seconds, RTC_SECONDS);
 		CMOS_WRITE(real_minutes, RTC_MINUTES);
@@ -103,12 +103,12 @@ static inline unsigned long mc146818_get_cmos_time(void)
 	} while (sec != CMOS_READ(RTC_SECONDS));
 
 	if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		BCD_TO_BIN(sec);
-		BCD_TO_BIN(min);
-		BCD_TO_BIN(hour);
-		BCD_TO_BIN(day);
-		BCD_TO_BIN(mon);
-		BCD_TO_BIN(year);
+		sec = bcd2bin(sec);
+		min = bcd2bin(min);
+		hour = bcd2bin(hour);
+		day = bcd2bin(day);
+		mon = bcd2bin(mon);
+		year = bcd2bin(year);
 	}
 	spin_unlock_irqrestore(&rtc_lock, flags);
 	year = mc146818_decode_year(year);
diff --git a/arch/mips/pmc-sierra/yosemite/setup.c b/arch/mips/pmc-sierra/yosemite/setup.c
index 6537d90a25b..2d3c0dca275 100644
--- a/arch/mips/pmc-sierra/yosemite/setup.c
+++ b/arch/mips/pmc-sierra/yosemite/setup.c
@@ -79,14 +79,14 @@ unsigned long read_persistent_clock(void)
 	/* Stop the update to the time */
 	m48t37_base->control = 0x40;
 
-	year = BCD2BIN(m48t37_base->year);
-	year += BCD2BIN(m48t37_base->century) * 100;
+	year = bcd2bin(m48t37_base->year);
+	year += bcd2bin(m48t37_base->century) * 100;
 
-	month = BCD2BIN(m48t37_base->month);
-	day = BCD2BIN(m48t37_base->date);
-	hour = BCD2BIN(m48t37_base->hour);
-	min = BCD2BIN(m48t37_base->min);
-	sec = BCD2BIN(m48t37_base->sec);
+	month = bcd2bin(m48t37_base->month);
+	day = bcd2bin(m48t37_base->date);
+	hour = bcd2bin(m48t37_base->hour);
+	min = bcd2bin(m48t37_base->min);
+	sec = bcd2bin(m48t37_base->sec);
 
 	/* Start the update to the time again */
 	m48t37_base->control = 0x00;
@@ -113,22 +113,22 @@ int rtc_mips_set_time(unsigned long tim)
 	m48t37_base->control = 0x80;
 
 	/* year */
-	m48t37_base->year = BIN2BCD(tm.tm_year % 100);
-	m48t37_base->century = BIN2BCD(tm.tm_year / 100);
+	m48t37_base->year = bin2bcd(tm.tm_year % 100);
+	m48t37_base->century = bin2bcd(tm.tm_year / 100);
 
 	/* month */
-	m48t37_base->month = BIN2BCD(tm.tm_mon);
+	m48t37_base->month = bin2bcd(tm.tm_mon);
 
 	/* day */
-	m48t37_base->date = BIN2BCD(tm.tm_mday);
+	m48t37_base->date = bin2bcd(tm.tm_mday);
 
 	/* hour/min/sec */
-	m48t37_base->hour = BIN2BCD(tm.tm_hour);
-	m48t37_base->min = BIN2BCD(tm.tm_min);
-	m48t37_base->sec = BIN2BCD(tm.tm_sec);
+	m48t37_base->hour = bin2bcd(tm.tm_hour);
+	m48t37_base->min = bin2bcd(tm.tm_min);
+	m48t37_base->sec = bin2bcd(tm.tm_sec);
 
 	/* day of week -- not really used, but let's keep it up-to-date */
-	m48t37_base->day = BIN2BCD(tm.tm_wday + 1);
+	m48t37_base->day = bin2bcd(tm.tm_wday + 1);
 
 	/* disable writing */
 	m48t37_base->control = 0x00;
diff --git a/arch/mips/sibyte/swarm/rtc_m41t81.c b/arch/mips/sibyte/swarm/rtc_m41t81.c
index 26fbff4c15b..b732600b47f 100644
--- a/arch/mips/sibyte/swarm/rtc_m41t81.c
+++ b/arch/mips/sibyte/swarm/rtc_m41t81.c
@@ -156,32 +156,32 @@ int m41t81_set_time(unsigned long t)
 	 */
 
 	spin_lock_irqsave(&rtc_lock, flags);
-	tm.tm_sec = BIN2BCD(tm.tm_sec);
+	tm.tm_sec = bin2bcd(tm.tm_sec);
 	m41t81_write(M41T81REG_SC, tm.tm_sec);
 
-	tm.tm_min = BIN2BCD(tm.tm_min);
+	tm.tm_min = bin2bcd(tm.tm_min);
 	m41t81_write(M41T81REG_MN, tm.tm_min);
 
-	tm.tm_hour = BIN2BCD(tm.tm_hour);
+	tm.tm_hour = bin2bcd(tm.tm_hour);
 	tm.tm_hour = (tm.tm_hour & 0x3f) | (m41t81_read(M41T81REG_HR) & 0xc0);
 	m41t81_write(M41T81REG_HR, tm.tm_hour);
 
 	/* tm_wday starts from 0 to 6 */
 	if (tm.tm_wday == 0) tm.tm_wday = 7;
-	tm.tm_wday = BIN2BCD(tm.tm_wday);
+	tm.tm_wday = bin2bcd(tm.tm_wday);
 	m41t81_write(M41T81REG_DY, tm.tm_wday);
 
-	tm.tm_mday = BIN2BCD(tm.tm_mday);
+	tm.tm_mday = bin2bcd(tm.tm_mday);
 	m41t81_write(M41T81REG_DT, tm.tm_mday);
 
 	/* tm_mon starts from 0, *ick* */
 	tm.tm_mon ++;
-	tm.tm_mon = BIN2BCD(tm.tm_mon);
+	tm.tm_mon = bin2bcd(tm.tm_mon);
 	m41t81_write(M41T81REG_MO, tm.tm_mon);
 
 	/* we don't do century, everything is beyond 2000 */
 	tm.tm_year %= 100;
-	tm.tm_year = BIN2BCD(tm.tm_year);
+	tm.tm_year = bin2bcd(tm.tm_year);
 	m41t81_write(M41T81REG_YR, tm.tm_year);
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
@@ -209,12 +209,12 @@ unsigned long m41t81_get_time(void)
 	year = m41t81_read(M41T81REG_YR);
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
-	sec = BCD2BIN(sec);
-	min = BCD2BIN(min);
-	hour = BCD2BIN(hour);
-	day = BCD2BIN(day);
-	mon = BCD2BIN(mon);
-	year = BCD2BIN(year);
+	sec = bcd2bin(sec);
+	min = bcd2bin(min);
+	hour = bcd2bin(hour);
+	day = bcd2bin(day);
+	mon = bcd2bin(mon);
+	year = bcd2bin(year);
 
 	year += 2000;
 
diff --git a/arch/mips/sibyte/swarm/rtc_xicor1241.c b/arch/mips/sibyte/swarm/rtc_xicor1241.c
index ff3e5dabb34..4438b2195c4 100644
--- a/arch/mips/sibyte/swarm/rtc_xicor1241.c
+++ b/arch/mips/sibyte/swarm/rtc_xicor1241.c
@@ -124,18 +124,18 @@ int xicor_set_time(unsigned long t)
 	xicor_write(X1241REG_SR, X1241REG_SR_WEL | X1241REG_SR_RWEL);
 
 	/* trivial ones */
-	tm.tm_sec = BIN2BCD(tm.tm_sec);
+	tm.tm_sec = bin2bcd(tm.tm_sec);
 	xicor_write(X1241REG_SC, tm.tm_sec);
 
-	tm.tm_min = BIN2BCD(tm.tm_min);
+	tm.tm_min = bin2bcd(tm.tm_min);
 	xicor_write(X1241REG_MN, tm.tm_min);
 
-	tm.tm_mday = BIN2BCD(tm.tm_mday);
+	tm.tm_mday = bin2bcd(tm.tm_mday);
 	xicor_write(X1241REG_DT, tm.tm_mday);
 
 	/* tm_mon starts from 0, *ick* */
 	tm.tm_mon ++;
-	tm.tm_mon = BIN2BCD(tm.tm_mon);
+	tm.tm_mon = bin2bcd(tm.tm_mon);
 	xicor_write(X1241REG_MO, tm.tm_mon);
 
 	/* year is split */
@@ -148,7 +148,7 @@ int xicor_set_time(unsigned long t)
 	tmp = xicor_read(X1241REG_HR);
 	if (tmp & X1241REG_HR_MIL) {
 		/* 24 hour format */
-		tm.tm_hour = BIN2BCD(tm.tm_hour);
+		tm.tm_hour = bin2bcd(tm.tm_hour);
 		tmp = (tmp & ~0x3f) | (tm.tm_hour & 0x3f);
 	} else {
 		/* 12 hour format, with 0x2 for pm */
@@ -157,7 +157,7 @@ int xicor_set_time(unsigned long t)
 			tmp |= 0x20;
 			tm.tm_hour -= 12;
 		}
-		tm.tm_hour = BIN2BCD(tm.tm_hour);
+		tm.tm_hour = bin2bcd(tm.tm_hour);
 		tmp |= tm.tm_hour;
 	}
 	xicor_write(X1241REG_HR, tmp);
@@ -191,13 +191,13 @@ unsigned long xicor_get_time(void)
 	y2k = xicor_read(X1241REG_Y2K);
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
-	sec = BCD2BIN(sec);
-	min = BCD2BIN(min);
-	hour = BCD2BIN(hour);
-	day = BCD2BIN(day);
-	mon = BCD2BIN(mon);
-	year = BCD2BIN(year);
-	y2k = BCD2BIN(y2k);
+	sec = bcd2bin(sec);
+	min = bcd2bin(min);
+	hour = bcd2bin(hour);
+	day = bcd2bin(day);
+	mon = bcd2bin(mon);
+	year = bcd2bin(year);
+	y2k = bcd2bin(y2k);
 
 	year += (y2k * 100);
 
-- 
GitLab


From f6a2298c5fd1f074aa3626febea33f48cd3b5a94 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:45 -0700
Subject: [PATCH 1485/2224] mn10300: use bcd2bin/bin2bcd

Change mn10300 to use the new bcd2bin/bin2bcd functions instead of the
obsolete BCD_TO_BIN/BIN_TO_BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/mn10300/kernel/rtc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/mn10300/kernel/rtc.c b/arch/mn10300/kernel/rtc.c
index 042f792d843..7978470b574 100644
--- a/arch/mn10300/kernel/rtc.c
+++ b/arch/mn10300/kernel/rtc.c
@@ -67,7 +67,7 @@ static int set_rtc_mmss(unsigned long nowtime)
 
 	cmos_minutes = CMOS_READ(RTC_MINUTES);
 	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-		BCD_TO_BIN(cmos_minutes);
+		cmos_minutes = bcd2bin(cmos_minutes);
 
 	/*
 	 * since we're only adjusting minutes and seconds,
@@ -84,8 +84,8 @@ static int set_rtc_mmss(unsigned long nowtime)
 
 	if (abs(real_minutes - cmos_minutes) < 30) {
 		if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-			BIN_TO_BCD(real_seconds);
-			BIN_TO_BCD(real_minutes);
+			real_seconds = bin2bcd(real_seconds);
+			real_minutes = bin2bcd(real_minutes);
 		}
 		CMOS_WRITE(real_seconds, RTC_SECONDS);
 		CMOS_WRITE(real_minutes, RTC_MINUTES);
-- 
GitLab


From e4d33969c2d0a9b92c7a2853e3f890dcb4ea37d1 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:46 -0700
Subject: [PATCH 1486/2224] i2c: use bcd2bin/bin2bcd

Change i2c to use the new bcd2bin/bin2bcd functions instead of the
obsolete BCD2BIN/BIN2BCD macros.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/i2c/chips/menelaus.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c
index 176126d3a01..4b364bae6b3 100644
--- a/drivers/i2c/chips/menelaus.c
+++ b/drivers/i2c/chips/menelaus.c
@@ -832,52 +832,52 @@ static irqreturn_t menelaus_irq(int irq, void *_menelaus)
 
 static void menelaus_to_time(char *regs, struct rtc_time *t)
 {
-	t->tm_sec = BCD2BIN(regs[0]);
-	t->tm_min = BCD2BIN(regs[1]);
+	t->tm_sec = bcd2bin(regs[0]);
+	t->tm_min = bcd2bin(regs[1]);
 	if (the_menelaus->rtc_control & RTC_CTRL_MODE12) {
-		t->tm_hour = BCD2BIN(regs[2] & 0x1f) - 1;
+		t->tm_hour = bcd2bin(regs[2] & 0x1f) - 1;
 		if (regs[2] & RTC_HR_PM)
 			t->tm_hour += 12;
 	} else
-		t->tm_hour = BCD2BIN(regs[2] & 0x3f);
-	t->tm_mday = BCD2BIN(regs[3]);
-	t->tm_mon = BCD2BIN(regs[4]) - 1;
-	t->tm_year = BCD2BIN(regs[5]) + 100;
+		t->tm_hour = bcd2bin(regs[2] & 0x3f);
+	t->tm_mday = bcd2bin(regs[3]);
+	t->tm_mon = bcd2bin(regs[4]) - 1;
+	t->tm_year = bcd2bin(regs[5]) + 100;
 }
 
 static int time_to_menelaus(struct rtc_time *t, int regnum)
 {
 	int	hour, status;
 
-	status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_sec));
+	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_sec));
 	if (status < 0)
 		goto fail;
 
-	status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_min));
+	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_min));
 	if (status < 0)
 		goto fail;
 
 	if (the_menelaus->rtc_control & RTC_CTRL_MODE12) {
 		hour = t->tm_hour + 1;
 		if (hour > 12)
-			hour = RTC_HR_PM | BIN2BCD(hour - 12);
+			hour = RTC_HR_PM | bin2bcd(hour - 12);
 		else
-			hour = BIN2BCD(hour);
+			hour = bin2bcd(hour);
 	} else
-		hour = BIN2BCD(t->tm_hour);
+		hour = bin2bcd(t->tm_hour);
 	status = menelaus_write_reg(regnum++, hour);
 	if (status < 0)
 		goto fail;
 
-	status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_mday));
+	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mday));
 	if (status < 0)
 		goto fail;
 
-	status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_mon + 1));
+	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_mon + 1));
 	if (status < 0)
 		goto fail;
 
-	status = menelaus_write_reg(regnum++, BIN2BCD(t->tm_year - 100));
+	status = menelaus_write_reg(regnum++, bin2bcd(t->tm_year - 100));
 	if (status < 0)
 		goto fail;
 
@@ -914,7 +914,7 @@ static int menelaus_read_time(struct device *dev, struct rtc_time *t)
 	}
 
 	menelaus_to_time(regs, t);
-	t->tm_wday = BCD2BIN(regs[6]);
+	t->tm_wday = bcd2bin(regs[6]);
 
 	return 0;
 }
@@ -927,7 +927,7 @@ static int menelaus_set_time(struct device *dev, struct rtc_time *t)
 	status = time_to_menelaus(t, MENELAUS_RTC_SEC);
 	if (status < 0)
 		return status;
-	status = menelaus_write_reg(MENELAUS_RTC_WKDAY, BIN2BCD(t->tm_wday));
+	status = menelaus_write_reg(MENELAUS_RTC_WKDAY, bin2bcd(t->tm_wday));
 	if (status < 0) {
 		dev_err(&the_menelaus->client->dev, "rtc write reg %02x "
 				"err %d\n", MENELAUS_RTC_WKDAY, status);
-- 
GitLab


From 2cee5dfa8b01524a1d937d56ee518677b7acfb38 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:47 -0700
Subject: [PATCH 1487/2224] drivers/scsi/sr_vendor.c: use bcd2bin

Change sr_vendor.c to use the new bcd2bin function instead of the obsolete
BCD2BIN macro.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/scsi/sr_vendor.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c
index 4eb3da996b3..4ad3e017213 100644
--- a/drivers/scsi/sr_vendor.c
+++ b/drivers/scsi/sr_vendor.c
@@ -223,9 +223,9 @@ int sr_cd_check(struct cdrom_device_info *cdi)
 				no_multi = 1;
 				break;
 			}
-			min = BCD2BIN(buffer[15]);
-			sec = BCD2BIN(buffer[16]);
-			frame = BCD2BIN(buffer[17]);
+			min = bcd2bin(buffer[15]);
+			sec = bcd2bin(buffer[16]);
+			frame = bcd2bin(buffer[17]);
 			sector = min * CD_SECS * CD_FRAMES + sec * CD_FRAMES + frame;
 			break;
 		}
@@ -252,9 +252,9 @@ int sr_cd_check(struct cdrom_device_info *cdi)
 			}
 			if (rc != 0)
 				break;
-			min = BCD2BIN(buffer[1]);
-			sec = BCD2BIN(buffer[2]);
-			frame = BCD2BIN(buffer[3]);
+			min = bcd2bin(buffer[1]);
+			sec = bcd2bin(buffer[2]);
+			frame = bcd2bin(buffer[3]);
 			sector = min * CD_SECS * CD_FRAMES + sec * CD_FRAMES + frame;
 			if (sector)
 				sector -= CD_MSF_OFFSET;
-- 
GitLab


From a0098efd6ee4e8c04d82d761aa1bb9ec7a0aa32d Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:47 -0700
Subject: [PATCH 1488/2224] remove the obsolete BCD*BIN/BIN*BCD macros

Remove the following obsolete macros:

- BCD2BIN
- BIN2BCD
- BCD_TO_BIN
- BIN_TO_BCD

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/bcd.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/include/linux/bcd.h b/include/linux/bcd.h
index 7ac518e3c15..75f6d6e699a 100644
--- a/include/linux/bcd.h
+++ b/include/linux/bcd.h
@@ -15,11 +15,4 @@
 unsigned bcd2bin(unsigned char val) __attribute_const__;
 unsigned char bin2bcd(unsigned val) __attribute_const__;
 
-#define BCD2BIN(val)	bcd2bin(val)
-#define BIN2BCD(val)	bin2bcd(val)
-
-/* backwards compat */
-#define BCD_TO_BIN(val) ((val)=BCD2BIN(val))
-#define BIN_TO_BCD(val) ((val)=BIN2BCD(val))
-
 #endif /* _BCD_H */
-- 
GitLab


From 5a85a7dda15f88b7f9c96c67fe826b5d0486d601 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Sat, 18 Oct 2008 20:28:48 -0700
Subject: [PATCH 1489/2224] include/linux/bcd.h: remove comments

- the macros are gone
- there's no more code in this file,
  LGPL + GPL = GPL,
  and the code that was moved to lib/bcd.c is anyway trivial

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/bcd.h | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/include/linux/bcd.h b/include/linux/bcd.h
index 75f6d6e699a..22ea563ba3e 100644
--- a/include/linux/bcd.h
+++ b/include/linux/bcd.h
@@ -1,12 +1,3 @@
-/* Permission is hereby granted to copy, modify and redistribute this code
- * in terms of the GNU Library General Public License, Version 2 or later,
- * at your option.
- */
-
-/* macros to translate to/from binary and binary-coded decimal (frequently
- * found in RTC chips).
- */
-
 #ifndef _BCD_H
 #define _BCD_H
 
-- 
GitLab


From bb26b963d8343bb1bde842fba0b6e00cad841f31 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 18 Oct 2008 20:28:49 -0700
Subject: [PATCH 1490/2224] fs/Kconfig: move CIFS out

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/Kconfig      | 143 +-----------------------------------------------
 fs/cifs/Kconfig | 142 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 143 insertions(+), 142 deletions(-)
 create mode 100644 fs/cifs/Kconfig

diff --git a/fs/Kconfig b/fs/Kconfig
index d0a1174fb51..c189089f35a 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1913,148 +1913,7 @@ config SMB_NLS_REMOTE
 
 	  smbmount from samba 2.2.0 or later supports this.
 
-config CIFS
-	tristate "CIFS support (advanced network filesystem, SMBFS successor)"
-	depends on INET
-	select NLS
-	help
-	  This is the client VFS module for the Common Internet File System
-	  (CIFS) protocol which is the successor to the Server Message Block 
-	  (SMB) protocol, the native file sharing mechanism for most early
-	  PC operating systems.  The CIFS protocol is fully supported by 
-	  file servers such as Windows 2000 (including Windows 2003, NT 4  
-	  and Windows XP) as well by Samba (which provides excellent CIFS
-	  server support for Linux and many other operating systems). Limited
-	  support for OS/2 and Windows ME and similar servers is provided as
-	  well.
-
-	  The cifs module provides an advanced network file system
-	  client for mounting to CIFS compliant servers.  It includes
-	  support for DFS (hierarchical name space), secure per-user
-	  session establishment via Kerberos or NTLM or NTLMv2,
-	  safe distributed caching (oplock), optional packet
-	  signing, Unicode and other internationalization improvements.
-	  If you need to mount to Samba or Windows from this machine, say Y.
-
-config CIFS_STATS
-        bool "CIFS statistics"
-        depends on CIFS
-        help
-          Enabling this option will cause statistics for each server share
-	  mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
-
-config CIFS_STATS2
-	bool "Extended statistics"
-	depends on CIFS_STATS
-	help
-	  Enabling this option will allow more detailed statistics on SMB
-	  request timing to be displayed in /proc/fs/cifs/DebugData and also
-	  allow optional logging of slow responses to dmesg (depending on the
-	  value of /proc/fs/cifs/cifsFYI, see fs/cifs/README for more details).
-	  These additional statistics may have a minor effect on performance
-	  and memory utilization.
-
-	  Unless you are a developer or are doing network performance analysis
-	  or tuning, say N.
-
-config CIFS_WEAK_PW_HASH
-	bool "Support legacy servers which use weaker LANMAN security"
-	depends on CIFS
-	help
-	  Modern CIFS servers including Samba and most Windows versions
-	  (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos)
-	  security mechanisms. These hash the password more securely
-	  than the mechanisms used in the older LANMAN version of the
-	  SMB protocol but LANMAN based authentication is needed to
-	  establish sessions with some old SMB servers.
-
-	  Enabling this option allows the cifs module to mount to older
-	  LANMAN based servers such as OS/2 and Windows 95, but such
-	  mounts may be less secure than mounts using NTLM or more recent
-	  security mechanisms if you are on a public network.  Unless you
-	  have a need to access old SMB servers (and are on a private
-	  network) you probably want to say N.  Even if this support
-	  is enabled in the kernel build, LANMAN authentication will not be
-	  used automatically. At runtime LANMAN mounts are disabled but
-	  can be set to required (or optional) either in
-	  /proc/fs/cifs (see fs/cifs/README for more detail) or via an
-	  option on the mount command. This support is disabled by
-	  default in order to reduce the possibility of a downgrade
-	  attack.
-
-	  If unsure, say N.
-
-config CIFS_UPCALL
-	  bool "Kerberos/SPNEGO advanced session setup"
-	  depends on CIFS && KEYS
-	  help
-	    Enables an upcall mechanism for CIFS which accesses
-	    userspace helper utilities to provide SPNEGO packaged (RFC 4178)
-	    Kerberos tickets which are needed to mount to certain secure servers
-	    (for which more secure Kerberos authentication is required). If
-	    unsure, say N.
-
-config CIFS_XATTR
-        bool "CIFS extended attributes"
-        depends on CIFS
-        help
-          Extended attributes are name:value pairs associated with inodes by
-          the kernel or by users (see the attr(5) manual page, or visit
-          <http://acl.bestbits.at/> for details).  CIFS maps the name of
-          extended attributes beginning with the user namespace prefix
-          to SMB/CIFS EAs. EAs are stored on Windows servers without the
-          user namespace prefix, but their names are seen by Linux cifs clients
-          prefaced by the user namespace prefix. The system namespace
-          (used by some filesystems to store ACLs) is not supported at
-          this time.
-
-          If unsure, say N.
-
-config CIFS_POSIX
-        bool "CIFS POSIX Extensions"
-        depends on CIFS_XATTR
-        help
-          Enabling this option will cause the cifs client to attempt to
-	  negotiate a newer dialect with servers, such as Samba 3.0.5
-	  or later, that optionally can handle more POSIX like (rather
-	  than Windows like) file behavior.  It also enables
-	  support for POSIX ACLs (getfacl and setfacl) to servers
-	  (such as Samba 3.10 and later) which can negotiate
-	  CIFS POSIX ACL support.  If unsure, say N.
-
-config CIFS_DEBUG2
-	bool "Enable additional CIFS debugging routines"
-	depends on CIFS
-	help
-	   Enabling this option adds a few more debugging routines
-	   to the cifs code which slightly increases the size of
-	   the cifs module and can cause additional logging of debug
-	   messages in some error paths, slowing performance. This
-	   option can be turned off unless you are debugging
-	   cifs problems.  If unsure, say N.
-
-config CIFS_EXPERIMENTAL
-	  bool "CIFS Experimental Features (EXPERIMENTAL)"
-	  depends on CIFS && EXPERIMENTAL
-	  help
-	    Enables cifs features under testing. These features are
-	    experimental and currently include DFS support and directory 
-	    change notification ie fcntl(F_DNOTIFY), as well as the upcall
-	    mechanism which will be used for Kerberos session negotiation
-	    and uid remapping.  Some of these features also may depend on 
-	    setting a value of 1 to the pseudo-file /proc/fs/cifs/Experimental
-	    (which is disabled by default). See the file fs/cifs/README 
-	    for more details.  If unsure, say N.
-
-config CIFS_DFS_UPCALL
-	  bool "DFS feature support (EXPERIMENTAL)"
-	  depends on CIFS_EXPERIMENTAL
-	  depends on KEYS
-	  help
-	    Enables an upcall mechanism for CIFS which contacts userspace
-	    helper utilities to provide server name resolution (host names to
-	    IP addresses) which is needed for implicit mounts of DFS junction
-	    points. If unsure, say N.
+source "fs/cifs/Kconfig"
 
 config NCP_FS
 	tristate "NCP file system support (to mount NetWare volumes)"
diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
new file mode 100644
index 00000000000..341a98965bd
--- /dev/null
+++ b/fs/cifs/Kconfig
@@ -0,0 +1,142 @@
+config CIFS
+	tristate "CIFS support (advanced network filesystem, SMBFS successor)"
+	depends on INET
+	select NLS
+	help
+	  This is the client VFS module for the Common Internet File System
+	  (CIFS) protocol which is the successor to the Server Message Block
+	  (SMB) protocol, the native file sharing mechanism for most early
+	  PC operating systems.  The CIFS protocol is fully supported by
+	  file servers such as Windows 2000 (including Windows 2003, NT 4
+	  and Windows XP) as well by Samba (which provides excellent CIFS
+	  server support for Linux and many other operating systems). Limited
+	  support for OS/2 and Windows ME and similar servers is provided as
+	  well.
+
+	  The cifs module provides an advanced network file system
+	  client for mounting to CIFS compliant servers.  It includes
+	  support for DFS (hierarchical name space), secure per-user
+	  session establishment via Kerberos or NTLM or NTLMv2,
+	  safe distributed caching (oplock), optional packet
+	  signing, Unicode and other internationalization improvements.
+	  If you need to mount to Samba or Windows from this machine, say Y.
+
+config CIFS_STATS
+        bool "CIFS statistics"
+        depends on CIFS
+        help
+          Enabling this option will cause statistics for each server share
+	  mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
+
+config CIFS_STATS2
+	bool "Extended statistics"
+	depends on CIFS_STATS
+	help
+	  Enabling this option will allow more detailed statistics on SMB
+	  request timing to be displayed in /proc/fs/cifs/DebugData and also
+	  allow optional logging of slow responses to dmesg (depending on the
+	  value of /proc/fs/cifs/cifsFYI, see fs/cifs/README for more details).
+	  These additional statistics may have a minor effect on performance
+	  and memory utilization.
+
+	  Unless you are a developer or are doing network performance analysis
+	  or tuning, say N.
+
+config CIFS_WEAK_PW_HASH
+	bool "Support legacy servers which use weaker LANMAN security"
+	depends on CIFS
+	help
+	  Modern CIFS servers including Samba and most Windows versions
+	  (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos)
+	  security mechanisms. These hash the password more securely
+	  than the mechanisms used in the older LANMAN version of the
+	  SMB protocol but LANMAN based authentication is needed to
+	  establish sessions with some old SMB servers.
+
+	  Enabling this option allows the cifs module to mount to older
+	  LANMAN based servers such as OS/2 and Windows 95, but such
+	  mounts may be less secure than mounts using NTLM or more recent
+	  security mechanisms if you are on a public network.  Unless you
+	  have a need to access old SMB servers (and are on a private
+	  network) you probably want to say N.  Even if this support
+	  is enabled in the kernel build, LANMAN authentication will not be
+	  used automatically. At runtime LANMAN mounts are disabled but
+	  can be set to required (or optional) either in
+	  /proc/fs/cifs (see fs/cifs/README for more detail) or via an
+	  option on the mount command. This support is disabled by
+	  default in order to reduce the possibility of a downgrade
+	  attack.
+
+	  If unsure, say N.
+
+config CIFS_UPCALL
+	  bool "Kerberos/SPNEGO advanced session setup"
+	  depends on CIFS && KEYS
+	  help
+	    Enables an upcall mechanism for CIFS which accesses
+	    userspace helper utilities to provide SPNEGO packaged (RFC 4178)
+	    Kerberos tickets which are needed to mount to certain secure servers
+	    (for which more secure Kerberos authentication is required). If
+	    unsure, say N.
+
+config CIFS_XATTR
+        bool "CIFS extended attributes"
+        depends on CIFS
+        help
+          Extended attributes are name:value pairs associated with inodes by
+          the kernel or by users (see the attr(5) manual page, or visit
+          <http://acl.bestbits.at/> for details).  CIFS maps the name of
+          extended attributes beginning with the user namespace prefix
+          to SMB/CIFS EAs. EAs are stored on Windows servers without the
+          user namespace prefix, but their names are seen by Linux cifs clients
+          prefaced by the user namespace prefix. The system namespace
+          (used by some filesystems to store ACLs) is not supported at
+          this time.
+
+          If unsure, say N.
+
+config CIFS_POSIX
+        bool "CIFS POSIX Extensions"
+        depends on CIFS_XATTR
+        help
+          Enabling this option will cause the cifs client to attempt to
+	  negotiate a newer dialect with servers, such as Samba 3.0.5
+	  or later, that optionally can handle more POSIX like (rather
+	  than Windows like) file behavior.  It also enables
+	  support for POSIX ACLs (getfacl and setfacl) to servers
+	  (such as Samba 3.10 and later) which can negotiate
+	  CIFS POSIX ACL support.  If unsure, say N.
+
+config CIFS_DEBUG2
+	bool "Enable additional CIFS debugging routines"
+	depends on CIFS
+	help
+	   Enabling this option adds a few more debugging routines
+	   to the cifs code which slightly increases the size of
+	   the cifs module and can cause additional logging of debug
+	   messages in some error paths, slowing performance. This
+	   option can be turned off unless you are debugging
+	   cifs problems.  If unsure, say N.
+
+config CIFS_EXPERIMENTAL
+	  bool "CIFS Experimental Features (EXPERIMENTAL)"
+	  depends on CIFS && EXPERIMENTAL
+	  help
+	    Enables cifs features under testing. These features are
+	    experimental and currently include DFS support and directory
+	    change notification ie fcntl(F_DNOTIFY), as well as the upcall
+	    mechanism which will be used for Kerberos session negotiation
+	    and uid remapping.  Some of these features also may depend on
+	    setting a value of 1 to the pseudo-file /proc/fs/cifs/Experimental
+	    (which is disabled by default). See the file fs/cifs/README
+	    for more details.  If unsure, say N.
+
+config CIFS_DFS_UPCALL
+	  bool "DFS feature support (EXPERIMENTAL)"
+	  depends on CIFS_EXPERIMENTAL
+	  depends on KEYS
+	  help
+	    Enables an upcall mechanism for CIFS which contacts userspace
+	    helper utilities to provide server name resolution (host names to
+	    IP addresses) which is needed for implicit mounts of DFS junction
+	    points. If unsure, say N.
-- 
GitLab


From 01e8ef11bc1a74e65678ed55795f59266d4add01 Mon Sep 17 00:00:00 2001
From: Parag Warudkar <parag.lkml@gmail.com>
Date: Sat, 18 Oct 2008 20:28:50 -0700
Subject: [PATCH 1491/2224] x86: sysfs: kill owner field from attribute

Tejun's commit 7b595756ec1f49e0049a9e01a1298d53a7faaa15 made sysfs
attribute->owner unnecessary.  But the field was left in the structure to
ease the merge.  It's been over a year since that change and it is now
time to start killing attribute->owner along with its users - one arch at
a time!

This patch is attempt #1 to get rid of attribute->owner only for
CONFIG_X86_64 or CONFIG_X86_32 .  We will deal with other arches later on
as and when possible - avr32 will be the next since that is something I
can test.  Compile (make allyesconfig / make allmodconfig / custom config)
and boot tested.

akpm: the idea is that we put the declaration of sttribute.owner inside
`#ifndef CONFIG_X86'.  But that proved to be too ambitious for now because
new usages kept on turning up in subsystem trees.

[akpm: remove the ifdef for now]
Signed-off-by: Parag Warudkar <parag.lkml@gmail.com>
Cc: Greg KH <greg@kroah.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: David Brownell <david-b@pacbell.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/acpi/battery.c              | 2 +-
 drivers/acpi/sbs.c                  | 2 +-
 drivers/acpi/system.c               | 1 -
 drivers/block/aoe/aoeblk.c          | 2 +-
 drivers/block/nbd.c                 | 2 +-
 drivers/firmware/iscsi_ibft.c       | 1 -
 drivers/i2c/chips/at24.c            | 1 -
 drivers/i2c/chips/ds1682.c          | 1 -
 drivers/infiniband/core/cm.c        | 2 +-
 drivers/memstick/core/mspro_block.c | 1 -
 drivers/power/power_supply_sysfs.c  | 2 +-
 drivers/rtc/rtc-cmos.c              | 1 -
 drivers/rtc/rtc-ds1305.c            | 1 -
 drivers/rtc/rtc-ds1307.c            | 1 -
 drivers/rtc/rtc-ds1511.c            | 1 -
 drivers/rtc/rtc-m48t59.c            | 1 -
 drivers/rtc/rtc-stk17ta8.c          | 1 -
 drivers/scsi/arcmsr/arcmsr_attr.c   | 3 ---
 drivers/w1/slaves/w1_ds2760.c       | 1 -
 include/linux/sysfs.h               | 5 +++--
 20 files changed, 9 insertions(+), 23 deletions(-)

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b1c723f9f58..70f7f60929c 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -431,7 +431,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
 }
 
 static struct device_attribute alarm_attr = {
-	.attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
+	.attr = {.name = "alarm", .mode = 0644},
 	.show = acpi_battery_alarm_show,
 	.store = acpi_battery_alarm_store,
 };
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 10a36512647..7b011e7e29f 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -463,7 +463,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
 }
 
 static struct device_attribute alarm_attr = {
-	.attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE},
+	.attr = {.name = "alarm", .mode = 0644},
 	.show = acpi_battery_alarm_show,
 	.store = acpi_battery_alarm_store,
 };
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 91dec448b3e..24e80fd927e 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -115,7 +115,6 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
 	table_attr->attr.read = acpi_table_show;
 	table_attr->attr.attr.name = table_attr->name;
 	table_attr->attr.attr.mode = 0444;
-	table_attr->attr.attr.owner = THIS_MODULE;
 
 	return;
 }
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index b82654e883a..d876ad86123 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -90,7 +90,7 @@ static DEVICE_ATTR(state, S_IRUGO, aoedisk_show_state, NULL);
 static DEVICE_ATTR(mac, S_IRUGO, aoedisk_show_mac, NULL);
 static DEVICE_ATTR(netif, S_IRUGO, aoedisk_show_netif, NULL);
 static struct device_attribute dev_attr_firmware_version = {
-	.attr = { .name = "firmware-version", .mode = S_IRUGO, .owner = THIS_MODULE },
+	.attr = { .name = "firmware-version", .mode = S_IRUGO },
 	.show = aoedisk_show_fwver,
 };
 
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 7b3351260d5..9034ca585af 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -391,7 +391,7 @@ static ssize_t pid_show(struct device *dev,
 }
 
 static struct device_attribute pid_attr = {
-	.attr = { .name = "pid", .mode = S_IRUGO, .owner = THIS_MODULE },
+	.attr = { .name = "pid", .mode = S_IRUGO},
 	.show = pid_show,
 };
 
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index deb154aa47c..4353414a0b7 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -732,7 +732,6 @@ static int __init ibft_create_attribute(struct ibft_kobject *kobj_data,
 
 	attr->attr.name = name;
 	attr->attr.mode = S_IRUSR;
-	attr->attr.owner = THIS_MODULE;
 
 	attr->hdr = hdr;
 	attr->show = show;
diff --git a/drivers/i2c/chips/at24.c b/drivers/i2c/chips/at24.c
index 2a4acb26956..d4775528abc 100644
--- a/drivers/i2c/chips/at24.c
+++ b/drivers/i2c/chips/at24.c
@@ -460,7 +460,6 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	 */
 	at24->bin.attr.name = "eeprom";
 	at24->bin.attr.mode = chip.flags & AT24_FLAG_IRUGO ? S_IRUGO : S_IRUSR;
-	at24->bin.attr.owner = THIS_MODULE;
 	at24->bin.read = at24_bin_read;
 	at24->bin.size = chip.byte_len;
 
diff --git a/drivers/i2c/chips/ds1682.c b/drivers/i2c/chips/ds1682.c
index 23be4d42cb0..f3ee4a1abb7 100644
--- a/drivers/i2c/chips/ds1682.c
+++ b/drivers/i2c/chips/ds1682.c
@@ -190,7 +190,6 @@ static struct bin_attribute ds1682_eeprom_attr = {
 	.attr = {
 		.name = "eeprom",
 		.mode = S_IRUGO | S_IWUSR,
-		.owner = THIS_MODULE,
 	},
 	.size = DS1682_EEPROM_SIZE,
 	.read = ds1682_eeprom_read,
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index a78d35aecee..f1e82a92e61 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -122,7 +122,7 @@ struct cm_counter_attribute {
 
 #define CM_COUNTER_ATTR(_name, _index) \
 struct cm_counter_attribute cm_##_name##_counter_attr = { \
-	.attr = { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE }, \
+	.attr = { .name = __stringify(_name), .mode = 0444 }, \
 	.index = _index \
 }
 
diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index 6e291bf8237..5263913e0c6 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -1044,7 +1044,6 @@ static int mspro_block_read_attributes(struct memstick_dev *card)
 
 		s_attr->dev_attr.attr.name = s_attr->name;
 		s_attr->dev_attr.attr.mode = S_IRUGO;
-		s_attr->dev_attr.attr.owner = THIS_MODULE;
 		s_attr->dev_attr.show = mspro_block_attr_show(s_attr->id);
 
 		if (!rc)
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index fe2aeb11939..23ae8460f5c 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -30,7 +30,7 @@
 
 #define POWER_SUPPLY_ATTR(_name)					\
 {									\
-	.attr = { .name = #_name, .mode = 0444, .owner = THIS_MODULE },	\
+	.attr = { .name = #_name, .mode = 0444 },	\
 	.show = power_supply_show_property,				\
 	.store = NULL,							\
 }
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 957365e4a74..5549231179a 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -592,7 +592,6 @@ static struct bin_attribute nvram = {
 	.attr = {
 		.name	= "nvram",
 		.mode	= S_IRUGO | S_IWUSR,
-		.owner	= THIS_MODULE,
 	},
 
 	.read	= cmos_nvram_read,
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index 57b470f3fc0..fc372df6534 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -606,7 +606,6 @@ ds1305_nvram_write(struct kobject *kobj, struct bin_attribute *attr,
 static struct bin_attribute nvram = {
 	.attr.name	= "nvram",
 	.attr.mode	= S_IRUGO | S_IWUSR,
-	.attr.owner	= THIS_MODULE,
 	.read		= ds1305_nvram_read,
 	.write		= ds1305_nvram_write,
 	.size		= DS1305_NVRAM_LEN,
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index cad23bcfebd..162330b9d1d 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -551,7 +551,6 @@ static struct bin_attribute nvram = {
 	.attr = {
 		.name	= "nvram",
 		.mode	= S_IRUGO | S_IWUSR,
-		.owner	= THIS_MODULE,
 	},
 
 	.read	= ds1307_nvram_read,
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 7bb0a962ad2..25caada7839 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -481,7 +481,6 @@ static struct bin_attribute ds1511_nvram_attr = {
 	.attr = {
 		.name = "nvram",
 		.mode = S_IRUGO | S_IWUGO,
-		.owner = THIS_MODULE,
 	},
 	.size = DS1511_RAM_MAX,
 	.read = ds1511_nvram_read,
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index ed671e29e07..04b63dab693 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -360,7 +360,6 @@ static struct bin_attribute m48t59_nvram_attr = {
 	.attr = {
 		.name = "nvram",
 		.mode = S_IRUGO | S_IWUSR,
-		.owner = THIS_MODULE,
 	},
 	.read = m48t59_nvram_read,
 	.write = m48t59_nvram_write,
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 0947f8c2395..f4cd46e15af 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -280,7 +280,6 @@ static struct bin_attribute stk17ta8_nvram_attr = {
 	.attr = {
 		.name = "nvram",
 		.mode = S_IRUGO | S_IWUSR,
-		.owner = THIS_MODULE,
 	},
 	.size = RTC_OFFSET,
 	.read = stk17ta8_nvram_read,
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 69f8346aa28..5877f29a600 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -189,7 +189,6 @@ static struct bin_attribute arcmsr_sysfs_message_read_attr = {
 	.attr = {
 		.name = "mu_read",
 		.mode = S_IRUSR ,
-		.owner = THIS_MODULE,
 	},
 	.size = 1032,
 	.read = arcmsr_sysfs_iop_message_read,
@@ -199,7 +198,6 @@ static struct bin_attribute arcmsr_sysfs_message_write_attr = {
 	.attr = {
 		.name = "mu_write",
 		.mode = S_IWUSR,
-		.owner = THIS_MODULE,
 	},
 	.size = 1032,
 	.write = arcmsr_sysfs_iop_message_write,
@@ -209,7 +207,6 @@ static struct bin_attribute arcmsr_sysfs_message_clear_attr = {
 	.attr = {
 		.name = "mu_clear",
 		.mode = S_IWUSR,
-		.owner = THIS_MODULE,
 	},
 	.size = 1,
 	.write = arcmsr_sysfs_iop_message_clear,
diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c
index ed6b0576208..1f09d4e4144 100644
--- a/drivers/w1/slaves/w1_ds2760.c
+++ b/drivers/w1/slaves/w1_ds2760.c
@@ -80,7 +80,6 @@ static struct bin_attribute w1_ds2760_bin_attr = {
 	.attr = {
 		.name = "w1_slave",
 		.mode = S_IRUGO,
-		.owner = THIS_MODULE,
 	},
 	.size = DS2760_DATA_SIZE,
 	.read = w1_ds2760_read_bin,
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index b330e289d71..9d68fed50f1 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -21,8 +21,9 @@ struct kobject;
 struct module;
 
 /* FIXME
- * The *owner field is no longer used, but leave around
- * until the tree gets cleaned up fully.
+ * The *owner field is no longer used.
+ * x86 tree has been cleaned up. The owner
+ * attribute is still left for other arches.
  */
 struct attribute {
 	const char		*name;
-- 
GitLab


From a1cf64944f6f2ffe5ef30a0ee4d529db771f7db2 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 20 Oct 2008 22:59:18 +1100
Subject: [PATCH 1492/2224] staging: sxg depends on X86

sxghif.h has code that explicitly will not build fo other architecures.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/staging/sxg/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/sxg/Kconfig b/drivers/staging/sxg/Kconfig
index 1ae35080660..6e6cf0b9ef9 100644
--- a/drivers/staging/sxg/Kconfig
+++ b/drivers/staging/sxg/Kconfig
@@ -1,6 +1,7 @@
 config SXG
 	tristate "Alacritech SLIC Technology Non-Accelerated 10Gbe support"
 	depends on PCI && NETDEV_10000
+	depends on X86
 	default n
 	help
 	  This driver supports the Alacritech SLIC Technology Non-Accelerated
-- 
GitLab


From 332d2e7834986a9326ec3fa6a91641daef81746c Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 20 Oct 2008 15:07:34 +1100
Subject: [PATCH 1493/2224] Implement %pR to print struct resource content

Add a %pR option to the kernel vsnprintf that prints the range of
addresses inside a struct resource passed by pointer.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/vsprintf.c | 49 +++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 43 insertions(+), 6 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index cceecb6a963..a013bbc2371 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -24,6 +24,7 @@
 #include <linux/kernel.h>
 #include <linux/kallsyms.h>
 #include <linux/uaccess.h>
+#include <linux/ioport.h>
 
 #include <asm/page.h>		/* for PAGE_SIZE */
 #include <asm/div64.h>
@@ -550,18 +551,51 @@ static char *symbol_string(char *buf, char *end, void *ptr, int field_width, int
 #endif
 }
 
+static char *resource_string(char *buf, char *end, struct resource *res, int field_width, int precision, int flags)
+{
+#ifndef IO_RSRC_PRINTK_SIZE
+#define IO_RSRC_PRINTK_SIZE	4
+#endif
+
+#ifndef MEM_RSRC_PRINTK_SIZE
+#define MEM_RSRC_PRINTK_SIZE	8
+#endif
+
+	/* room for the actual numbers, the two "0x", -, [, ] and the final zero */
+	char sym[4*sizeof(resource_size_t) + 8];
+	char *p = sym, *pend = sym + sizeof(sym);
+	int size = -1;
+
+	if (res->flags & IORESOURCE_IO)
+		size = IO_RSRC_PRINTK_SIZE;
+	else if (res->flags & IORESOURCE_MEM)
+		size = MEM_RSRC_PRINTK_SIZE;
+
+	*p++ = '[';
+	p = number(p, pend, res->start, 16, size, -1, SPECIAL | SMALL | ZEROPAD);
+	*p++ = '-';
+	p = number(p, pend, res->end, 16, size, -1, SPECIAL | SMALL | ZEROPAD);
+	*p++ = ']';
+	*p = 0;
+
+	return string(buf, end, sym, field_width, precision, flags);
+}
+
 /*
  * Show a '%p' thing.  A kernel extension is that the '%p' is followed
  * by an extra set of alphanumeric characters that are extended format
  * specifiers.
  *
- * Right now we just handle 'F' (for symbolic Function descriptor pointers)
- * and 'S' (for Symbolic direct pointers), but this can easily be
- * extended in the future (network address types etc).
+ * Right now we handle:
+ *
+ * - 'F' For symbolic function descriptor pointers
+ * - 'S' For symbolic direct pointers
+ * - 'R' For a struct resource pointer, it prints the range of
+ *       addresses (not the name nor the flags)
  *
- * The difference between 'S' and 'F' is that on ia64 and ppc64 function
- * pointers are really function descriptors, which contain a pointer the
- * real address. 
+ * Note: The difference between 'S' and 'F' is that on ia64 and ppc64
+ * function pointers are really function descriptors, which contain a
+ * pointer to the real address.
  */
 static char *pointer(const char *fmt, char *buf, char *end, void *ptr, int field_width, int precision, int flags)
 {
@@ -571,6 +605,8 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr, int field
 		/* Fallthrough */
 	case 'S':
 		return symbol_string(buf, end, ptr, field_width, precision, flags);
+	case 'R':
+		return resource_string(buf, end, ptr, field_width, precision, flags);
 	}
 	flags |= SMALL;
 	if (field_width == -1) {
@@ -590,6 +626,7 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr, int field
  * This function follows C99 vsnprintf, but has some extensions:
  * %pS output the name of a text symbol
  * %pF output the name of a function pointer
+ * %pR output the address range in a struct resource
  *
  * The return value is the number of characters which would
  * be generated for the given input, excluding the trailing
-- 
GitLab


From 096e6f673dc02a6394dc9a7d8f8735c6978f5b91 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Mon, 20 Oct 2008 15:07:37 +1100
Subject: [PATCH 1494/2224] pci: Use new %pR to print resource ranges

This converts things in drivers/pci to use %pR to printout the
content of a struct resource instead of hand-casted %llx or
other variants.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/pci/pci.c       |  5 ++---
 drivers/pci/probe.c     | 28 +++++++++++++---------------
 drivers/pci/setup-bus.c | 13 ++++---------
 drivers/pci/setup-res.c | 40 +++++++++++++---------------------------
 4 files changed, 32 insertions(+), 54 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index c9884bba22d..dbe9f39f443 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1358,11 +1358,10 @@ int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name)
 	return 0;
 
 err_out:
-	dev_warn(&pdev->dev, "BAR %d: can't reserve %s region [%#llx-%#llx]\n",
+	dev_warn(&pdev->dev, "BAR %d: can't reserve %s region %pR\n",
 		 bar,
 		 pci_resource_flags(pdev, bar) & IORESOURCE_IO ? "I/O" : "mem",
-		 (unsigned long long)pci_resource_start(pdev, bar),
-		 (unsigned long long)pci_resource_end(pdev, bar));
+		 &pdev->resource[bar]);
 	return -EBUSY;
 }
 
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index dd9161a054e..d3db8b24972 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -304,9 +304,8 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 		} else {
 			res->start = l64;
 			res->end = l64 + sz64;
-			printk(KERN_DEBUG "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n",
-				pci_name(dev), pos, (unsigned long long)res->start,
-				(unsigned long long)res->end);
+			printk(KERN_DEBUG "PCI: %s reg %x 64bit mmio: %pR\n",
+				pci_name(dev), pos, res);
 		}
 	} else {
 		sz = pci_size(l, sz, mask);
@@ -316,9 +315,10 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 
 		res->start = l;
 		res->end = l + sz;
-		printk(KERN_DEBUG "PCI: %s reg %x %s: [%llx, %llx]\n", pci_name(dev),
-			pos, (res->flags & IORESOURCE_IO) ? "io port":"32bit mmio",
-			(unsigned long long)res->start, (unsigned long long)res->end);
+		printk(KERN_DEBUG "PCI: %s reg %x %s: %pR\n",
+		       pci_name(dev), pos,
+		       (res->flags & IORESOURCE_IO) ? "io port":"32bit mmio",
+		       res);
 	}
 
  out:
@@ -389,9 +389,8 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 			res->start = base;
 		if (!res->end)
 			res->end = limit + 0xfff;
-		printk(KERN_DEBUG "PCI: bridge %s io port: [%llx, %llx]\n",
-			pci_name(dev), (unsigned long long) res->start,
-			(unsigned long long) res->end);
+		printk(KERN_DEBUG "PCI: bridge %s io port: %pR\n",
+		       pci_name(dev), res);
 	}
 
 	res = child->resource[1];
@@ -403,9 +402,8 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 		res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM;
 		res->start = base;
 		res->end = limit + 0xfffff;
-		printk(KERN_DEBUG "PCI: bridge %s 32bit mmio: [%llx, %llx]\n",
-			pci_name(dev), (unsigned long long) res->start,
-			(unsigned long long) res->end);
+		printk(KERN_DEBUG "PCI: bridge %s 32bit mmio: %pR\n",
+		       pci_name(dev), res);
 	}
 
 	res = child->resource[2];
@@ -441,9 +439,9 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 		res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH;
 		res->start = base;
 		res->end = limit + 0xfffff;
-		printk(KERN_DEBUG "PCI: bridge %s %sbit mmio pref: [%llx, %llx]\n",
-			pci_name(dev), (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64" : "32",
-			(unsigned long long) res->start, (unsigned long long) res->end);
+		printk(KERN_DEBUG "PCI: bridge %s %sbit mmio pref: %pR\n",
+		       pci_name(dev),
+		       (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64":"32", res);
 	}
 }
 
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index d5e2106760f..471a429d7a2 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -356,10 +356,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long
 			order = __ffs(align) - 20;
 			if (order > 11) {
 				dev_warn(&dev->dev, "BAR %d bad alignment %llx: "
-				       "%#016llx-%#016llx\n", i,
-				       (unsigned long long)align,
-				       (unsigned long long)r->start,
-				       (unsigned long long)r->end);
+					 "%pR\n", i, (unsigned long long)align, r);
 				r->flags = 0;
 				continue;
 			}
@@ -539,11 +536,9 @@ static void pci_bus_dump_res(struct pci_bus *bus)
                 if (!res)
                         continue;
 
-		printk(KERN_INFO "bus: %02x index %x %s: [%llx, %llx]\n",
-			bus->number, i,
-			(res->flags & IORESOURCE_IO) ? "io port" : "mmio",
-			(unsigned long long) res->start,
-			(unsigned long long) res->end);
+		printk(KERN_INFO "bus: %02x index %x %s: %pR\n",
+		       bus->number, i,
+		       (res->flags & IORESOURCE_IO) ? "io port" : "mmio", res);
         }
 }
 
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 1a5fc83c71b..d4b5c690eaa 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -49,10 +49,8 @@ void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno)
 
 	pcibios_resource_to_bus(dev, &region, res);
 
-	dev_dbg(&dev->dev, "BAR %d: got res [%#llx-%#llx] bus [%#llx-%#llx] "
-		"flags %#lx\n", resno,
-		 (unsigned long long)res->start,
-		 (unsigned long long)res->end,
+	dev_dbg(&dev->dev, "BAR %d: got res %pR bus [%#llx-%#llx] "
+		"flags %#lx\n", resno, res,
 		 (unsigned long long)region.start,
 		 (unsigned long long)region.end,
 		 (unsigned long)res->flags);
@@ -114,13 +112,11 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
 		err = insert_resource(root, res);
 
 	if (err) {
-		dev_err(&dev->dev, "BAR %d: %s of %s [%#llx-%#llx]\n",
+		dev_err(&dev->dev, "BAR %d: %s of %s %pR\n",
 			resource,
 			root ? "address space collision on" :
 				"no parent found for",
-			dtype,
-			(unsigned long long)res->start,
-			(unsigned long long)res->end);
+			dtype, res);
 	}
 
 	return err;
@@ -139,9 +135,8 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
 	align = resource_alignment(res);
 	if (!align) {
 		dev_err(&dev->dev, "BAR %d: can't allocate resource (bogus "
-			"alignment) [%#llx-%#llx] flags %#lx\n",
-			resno, (unsigned long long)res->start,
-			(unsigned long long)res->end, res->flags);
+			"alignment) %pR flags %#lx\n",
+			resno, res, res->flags);
 		return -EINVAL;
 	}
 
@@ -162,11 +157,8 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
 	}
 
 	if (ret) {
-		dev_err(&dev->dev, "BAR %d: can't allocate %s resource "
-			"[%#llx-%#llx]\n", resno,
-			res->flags & IORESOURCE_IO ? "I/O" : "mem",
-			(unsigned long long)res->start,
-			(unsigned long long)res->end);
+		dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n",
+			resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res);
 	} else {
 		res->flags &= ~IORESOURCE_STARTALIGN;
 		if (resno < PCI_BRIDGE_RESOURCES)
@@ -202,11 +194,8 @@ int pci_assign_resource_fixed(struct pci_dev *dev, int resno)
 	}
 
 	if (ret) {
-		dev_err(&dev->dev, "BAR %d: can't allocate %s resource "
-			"[%#llx-%#llx\n]", resno,
-			res->flags & IORESOURCE_IO ? "I/O" : "mem",
-			(unsigned long long)res->start,
-			(unsigned long long)res->end);
+		dev_err(&dev->dev, "BAR %d: can't allocate %s resource %pR\n",
+			resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res);
 	} else if (resno < PCI_BRIDGE_RESOURCES) {
 		pci_update_resource(dev, res, resno);
 	}
@@ -237,9 +226,8 @@ void pdev_sort_resources(struct pci_dev *dev, struct resource_list *head)
 		r_align = resource_alignment(r);
 		if (!r_align) {
 			dev_warn(&dev->dev, "BAR %d: bogus alignment "
-				"[%#llx-%#llx] flags %#lx\n",
-				i, (unsigned long long)r->start,
-				(unsigned long long)r->end, r->flags);
+				"%pR flags %#lx\n",
+				i, r, r->flags);
 			continue;
 		}
 		for (list = head; ; list = list->next) {
@@ -287,9 +275,7 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
 
 		if (!r->parent) {
 			dev_err(&dev->dev, "device not available because of "
-				"BAR %d [%#llx-%#llx] collisions\n", i,
-				(unsigned long long) r->start,
-				(unsigned long long) r->end);
+				"BAR %d %pR collisions\n", i, r);
 			return -EINVAL;
 		}
 
-- 
GitLab


From 252883e512c6d8fbc03b6738f1620fda44c4d472 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@redhat.com>
Date: Fri, 17 Oct 2008 20:28:25 +0100
Subject: [PATCH 1495/2224] epca: Add infinite break support

The EPCA can support indefinte break lengths and with info from digi that
can now be added

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/epca.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/char/epca.c b/drivers/char/epca.c
index 4998b2761e8..cf2461d34e5 100644
--- a/drivers/char/epca.c
+++ b/drivers/char/epca.c
@@ -2477,7 +2477,11 @@ static int pc_send_break(struct tty_struct *tty, int msec)
 	unsigned long flags;
 
 	if (msec == -1)
-		return -EOPNOTSUPP;
+		msec = 0xFFFF;
+	else if (msec > 0xFFFE)
+		msec = 0xFFFE;
+	else if (msec < 1)
+		msec = 1;
 
 	spin_lock_irqsave(&epca_lock, flags);
 	globalwinon(ch);
-- 
GitLab


From edbc25caaa492a82e19baa915f1f6b0a0db6554d Mon Sep 17 00:00:00 2001
From: Milton Miller <miltonm@bga.com>
Date: Thu, 10 Jul 2008 16:29:37 -0500
Subject: [PATCH 1496/2224] PCI: remove dynids.use_driver_data

The driver flag dynids.use_driver_data is almost consistently not set,
and causes more problems than it solves.  It was initially intended as a
flag to indicate whether a driver's usage of driver_data had been
carefully inspected and was ready for values from userspace.  That audit
was never done, so most drivers just get a 0 for driver_data when new
IDs are added from userspace via sysfs.  So remove the flag, allowing
drivers to see the data directly (a followon patch validates the passed
driver_data value against what the drivers expect).

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/i2c/busses/i2c-amd756.c | 1 -
 drivers/i2c/busses/i2c-viapro.c | 1 -
 drivers/pci/pci-driver.c        | 3 +--
 drivers/scsi/ipr.c              | 1 -
 include/linux/pci.h             | 1 -
 5 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 1ea39254dac..a3542b053c8 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -412,7 +412,6 @@ static struct pci_driver amd756_driver = {
 	.id_table	= amd756_ids,
 	.probe		= amd756_probe,
 	.remove		= __devexit_p(amd756_remove),
-	.dynids.use_driver_data = 1,
 };
 
 static int __init amd756_init(void)
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 73dc52e114e..2324780484c 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -483,7 +483,6 @@ static struct pci_driver vt596_driver = {
 	.name		= "vt596_smbus",
 	.id_table	= vt596_ids,
 	.probe		= vt596_probe,
-	.dynids.use_driver_data = 1,
 };
 
 static int __init i2c_vt596_init(void)
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index a13f5348611..4940a53c56a 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -65,8 +65,7 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
 	dynid->id.subdevice = subdevice;
 	dynid->id.class = class;
 	dynid->id.class_mask = class_mask;
-	dynid->id.driver_data = pdrv->dynids.use_driver_data ?
-		driver_data : 0UL;
+	dynid->id.driver_data = driver_data;
 
 	spin_lock(&pdrv->dynids.lock);
 	list_add_tail(&dynid->node, &pdrv->dynids.list);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index d30eb7ba018..098739deb02 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -7859,7 +7859,6 @@ static struct pci_driver ipr_driver = {
 	.remove = ipr_remove,
 	.shutdown = ipr_shutdown,
 	.err_handler = &ipr_err_handler,
-	.dynids.use_driver_data = 1
 };
 
 /**
diff --git a/include/linux/pci.h b/include/linux/pci.h
index acf8f24037c..c989f58d09b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -347,7 +347,6 @@ struct pci_bus_region {
 struct pci_dynids {
 	spinlock_t lock;            /* protects list, index */
 	struct list_head list;      /* for IDs added at runtime */
-	unsigned int use_driver_data:1; /* pci_device_id->driver_data is used */
 };
 
 /* ---------------------------------------------------------------- */
-- 
GitLab


From b41d6cf38e27a940d998d989526a9748de1bf028 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Sun, 17 Aug 2008 21:06:59 +0200
Subject: [PATCH 1497/2224] PCI: Check dynids driver_data value for validity

Only accept dynids whose driver_data value matches one of the driver's
pci_driver_id entries. This prevents the user from accidentally passing
values the drivers do not expect.

Cc: Milton Miller <miltonm@bga.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/PCI/pci.txt       |  4 ++++
 drivers/i2c/busses/i2c-amd756.c |  4 ----
 drivers/i2c/busses/i2c-viapro.c |  4 ----
 drivers/pci/pci-driver.c        | 18 ++++++++++++++++--
 4 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt
index 8d4dc6250c5..fd4907a2968 100644
--- a/Documentation/PCI/pci.txt
+++ b/Documentation/PCI/pci.txt
@@ -163,6 +163,10 @@ need pass only as many optional fields as necessary:
 	o class and classmask fields default to 0
 	o driver_data defaults to 0UL.
 
+Note that driver_data must match the value used by any of the pci_device_id
+entries defined in the driver. This makes the driver_data field mandatory
+if all the pci_device_id entries have a non-zero driver_data value.
+
 Once added, the driver probe routine will be invoked for any unclaimed
 PCI devices listed in its (newly updated) pci_ids list.
 
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index a3542b053c8..424dad6f18d 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -332,10 +332,6 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
 	int error;
 	u8 temp;
 	
-	/* driver_data might come from user-space, so check it */
-	if (id->driver_data >= ARRAY_SIZE(chipname))
-		return -EINVAL;
-
 	if (amd756_ioport) {
 		dev_err(&pdev->dev, "Only one device supported "
 		       "(you have a strange motherboard, btw)\n");
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 2324780484c..9f194d9efd9 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -332,10 +332,6 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
 	unsigned char temp;
 	int error = -ENODEV;
 
-	/* driver_data might come from user-space, so check it */
-	if (id->driver_data & 1 || id->driver_data > 0xff)
-		return -EINVAL;
-
 	/* Determine the address of the SMBus areas */
 	if (force_addr) {
 		vt596_smba = force_addr & 0xfff0;
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 4940a53c56a..b4cdd690ae7 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -43,18 +43,32 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
 {
 	struct pci_dynid *dynid;
 	struct pci_driver *pdrv = to_pci_driver(driver);
+	const struct pci_device_id *ids = pdrv->id_table;
 	__u32 vendor, device, subvendor=PCI_ANY_ID,
 		subdevice=PCI_ANY_ID, class=0, class_mask=0;
 	unsigned long driver_data=0;
 	int fields=0;
-	int retval = 0;
+	int retval;
 
-	fields = sscanf(buf, "%x %x %x %x %x %x %lux",
+	fields = sscanf(buf, "%x %x %x %x %x %x %lx",
 			&vendor, &device, &subvendor, &subdevice,
 			&class, &class_mask, &driver_data);
 	if (fields < 2)
 		return -EINVAL;
 
+	/* Only accept driver_data values that match an existing id_table
+	   entry */
+	retval = -EINVAL;
+	while (ids->vendor || ids->subvendor || ids->class_mask) {
+		if (driver_data == ids->driver_data) {
+			retval = 0;
+			break;
+		}
+		ids++;
+	}
+	if (retval)	/* No match */
+		return retval;
+
 	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
 	if (!dynid)
 		return -ENOMEM;
-- 
GitLab


From 3d137310245e4cdc3e8c8ba1bea2e145a87ae8e3 Mon Sep 17 00:00:00 2001
From: Thomas Petazzoni <thomas.petazzoni@enix.org>
Date: Tue, 19 Aug 2008 10:28:24 +0200
Subject: [PATCH 1498/2224] PCI: allow quirks to be compiled out

This patch adds the CONFIG_PCI_QUIRKS option which allows to remove all
the PCI quirks, which are not necessarily used on embedded systems when
PCI is working properly. As this is a size-reduction option, it depends
on CONFIG_EMBEDDED. It allows to save almost 12 kilobytes of kernel
code:

   text	   data	    bss	    dec	    hex	filename
1287806	 123596	 212992	1624394	 18c94a	vmlinux.old
1275854	 123596	 212992	1612442	 189a9a	vmlinux
 -11952       0       0  -11952   -2EB0 +/-

This patch has originally been written by Zwane Mwaikambo
<zwane@arm.linux.org.uk> and is part of the Linux Tiny project.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/quirks.c | 176 ++++++++++++++++++++++---------------------
 init/Kconfig         |   8 ++
 2 files changed, 98 insertions(+), 86 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e872ac925b4..246918fe948 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -24,6 +24,14 @@
 #include <linux/kallsyms.h>
 #include "pci.h"
 
+int isa_dma_bridge_buggy;
+EXPORT_SYMBOL(isa_dma_bridge_buggy);
+int pci_pci_problems;
+EXPORT_SYMBOL(pci_pci_problems);
+int pcie_mch_quirk;
+EXPORT_SYMBOL(pcie_mch_quirk);
+
+#ifdef CONFIG_PCI_QUIRKS
 /* The Mellanox Tavor device gives false positive parity errors
  * Mark this device with a broken_parity_status, to allow
  * PCI scanning code to "skip" this now blacklisted device.
@@ -62,8 +70,6 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82441,	quirk_p
     
     This appears to be BIOS not version dependent. So presumably there is a 
     chipset level fix */
-int isa_dma_bridge_buggy;
-EXPORT_SYMBOL(isa_dma_bridge_buggy);
     
 static void __devinit quirk_isa_dma_hangs(struct pci_dev *dev)
 {
@@ -84,9 +90,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,	PCI_DEVICE_ID_NEC_CBUS_1,	quirk_isa_d
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,	PCI_DEVICE_ID_NEC_CBUS_2,	quirk_isa_dma_hangs);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,	PCI_DEVICE_ID_NEC_CBUS_3,	quirk_isa_dma_hangs);
 
-int pci_pci_problems;
-EXPORT_SYMBOL(pci_pci_problems);
-
 /*
  *	Chipsets where PCI->PCI transfers vanish or hang
  */
@@ -1362,9 +1365,6 @@ static void __init quirk_alder_ioapic(struct pci_dev *pdev)
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_EESSC,	quirk_alder_ioapic);
 #endif
 
-int pcie_mch_quirk;
-EXPORT_SYMBOL(pcie_mch_quirk);
-
 static void __devinit quirk_pcie_mch(struct pci_dev *pdev)
 {
 	pcie_mch_quirk = 1;
@@ -1555,84 +1555,6 @@ static void __devinit fixup_rev1_53c810(struct pci_dev* dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, fixup_rev1_53c810);
 
-static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end)
-{
-	while (f < end) {
-		if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
- 		    (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
-#ifdef DEBUG
-			dev_dbg(&dev->dev, "calling %pF\n", f->hook);
-#endif
-			f->hook(dev);
-		}
-		f++;
-	}
-}
-
-extern struct pci_fixup __start_pci_fixups_early[];
-extern struct pci_fixup __end_pci_fixups_early[];
-extern struct pci_fixup __start_pci_fixups_header[];
-extern struct pci_fixup __end_pci_fixups_header[];
-extern struct pci_fixup __start_pci_fixups_final[];
-extern struct pci_fixup __end_pci_fixups_final[];
-extern struct pci_fixup __start_pci_fixups_enable[];
-extern struct pci_fixup __end_pci_fixups_enable[];
-extern struct pci_fixup __start_pci_fixups_resume[];
-extern struct pci_fixup __end_pci_fixups_resume[];
-extern struct pci_fixup __start_pci_fixups_resume_early[];
-extern struct pci_fixup __end_pci_fixups_resume_early[];
-extern struct pci_fixup __start_pci_fixups_suspend[];
-extern struct pci_fixup __end_pci_fixups_suspend[];
-
-
-void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
-{
-	struct pci_fixup *start, *end;
-
-	switch(pass) {
-	case pci_fixup_early:
-		start = __start_pci_fixups_early;
-		end = __end_pci_fixups_early;
-		break;
-
-	case pci_fixup_header:
-		start = __start_pci_fixups_header;
-		end = __end_pci_fixups_header;
-		break;
-
-	case pci_fixup_final:
-		start = __start_pci_fixups_final;
-		end = __end_pci_fixups_final;
-		break;
-
-	case pci_fixup_enable:
-		start = __start_pci_fixups_enable;
-		end = __end_pci_fixups_enable;
-		break;
-
-	case pci_fixup_resume:
-		start = __start_pci_fixups_resume;
-		end = __end_pci_fixups_resume;
-		break;
-
-	case pci_fixup_resume_early:
-		start = __start_pci_fixups_resume_early;
-		end = __end_pci_fixups_resume_early;
-		break;
-
-	case pci_fixup_suspend:
-		start = __start_pci_fixups_suspend;
-		end = __end_pci_fixups_suspend;
-		break;
-
-	default:
-		/* stupid compiler warning, you would think with an enum... */
-		return;
-	}
-	pci_do_fixups(dev, start, end);
-}
-EXPORT_SYMBOL(pci_fixup_device);
-
 /* Enable 1k I/O space granularity on the Intel P64H2 */
 static void __devinit quirk_p64h2_1k_io(struct pci_dev *dev)
 {
@@ -2006,3 +1928,85 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4375,
 			quirk_msi_intx_disable_bug);
 
 #endif /* CONFIG_PCI_MSI */
+
+static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end)
+{
+	while (f < end) {
+		if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
+ 		    (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
+#ifdef DEBUG
+			dev_dbg(&dev->dev, "calling ");
+			print_fn_descriptor_symbol("%s\n", f->hook);
+#endif
+			f->hook(dev);
+		}
+		f++;
+	}
+}
+
+extern struct pci_fixup __start_pci_fixups_early[];
+extern struct pci_fixup __end_pci_fixups_early[];
+extern struct pci_fixup __start_pci_fixups_header[];
+extern struct pci_fixup __end_pci_fixups_header[];
+extern struct pci_fixup __start_pci_fixups_final[];
+extern struct pci_fixup __end_pci_fixups_final[];
+extern struct pci_fixup __start_pci_fixups_enable[];
+extern struct pci_fixup __end_pci_fixups_enable[];
+extern struct pci_fixup __start_pci_fixups_resume[];
+extern struct pci_fixup __end_pci_fixups_resume[];
+extern struct pci_fixup __start_pci_fixups_resume_early[];
+extern struct pci_fixup __end_pci_fixups_resume_early[];
+extern struct pci_fixup __start_pci_fixups_suspend[];
+extern struct pci_fixup __end_pci_fixups_suspend[];
+
+
+void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
+{
+	struct pci_fixup *start, *end;
+
+	switch(pass) {
+	case pci_fixup_early:
+		start = __start_pci_fixups_early;
+		end = __end_pci_fixups_early;
+		break;
+
+	case pci_fixup_header:
+		start = __start_pci_fixups_header;
+		end = __end_pci_fixups_header;
+		break;
+
+	case pci_fixup_final:
+		start = __start_pci_fixups_final;
+		end = __end_pci_fixups_final;
+		break;
+
+	case pci_fixup_enable:
+		start = __start_pci_fixups_enable;
+		end = __end_pci_fixups_enable;
+		break;
+
+	case pci_fixup_resume:
+		start = __start_pci_fixups_resume;
+		end = __end_pci_fixups_resume;
+		break;
+
+	case pci_fixup_resume_early:
+		start = __start_pci_fixups_resume_early;
+		end = __end_pci_fixups_resume_early;
+		break;
+
+	case pci_fixup_suspend:
+		start = __start_pci_fixups_suspend;
+		end = __end_pci_fixups_suspend;
+		break;
+
+	default:
+		/* stupid compiler warning, you would think with an enum... */
+		return;
+	}
+	pci_do_fixups(dev, start, end);
+}
+#else
+void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {}
+#endif
+EXPORT_SYMBOL(pci_fixup_device);
diff --git a/init/Kconfig b/init/Kconfig
index 8828ed0b205..06330a30524 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -737,6 +737,14 @@ config VM_EVENT_COUNTERS
 	  on EMBEDDED systems.  /proc/vmstat will only show page counts
 	  if VM event counters are disabled.
 
+config PCI_QUIRKS
+	default y
+	bool "Enable PCI quirk workarounds" if EMBEDDED && PCI
+	help
+	  This enables workarounds for various PCI chipset
+          bugs/quirks. Disable this only if your target machine is
+          unaffected by PCI quirks.
+
 config SLUB_DEBUG
 	default y
 	bool "Enable SLUB debugging support" if EMBEDDED
-- 
GitLab


From 0235c4fc7fc6f621dc0dd89eba102ad5aa373390 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Mon, 18 Aug 2008 21:38:00 +0200
Subject: [PATCH 1499/2224] PCI PM: Introduce function pci_wake_from_d3

Many device drivers use the following sequence of statements to enable
the device to wake up the system while being in the D3_hot or D3_cold
low power state:

        pci_enable_wake(pdev, PCI_D3hot, 1);
        pci_enable_wake(pdev, PCI_D3cold, 1);

However, the second call is not necessary if the first one succeeds (the
ordering of the statements above doesn't matter here) and it may even be
harmful, because we are not supposed to enable PME# after the wake-up
power has been enabled for the device.

To allow drivers to overcome this problem, introduce function
pci_wake_from_d3() that will enable the device to wake up the system
from any of D3_hot and D3_cold as long as the wake-up from at least one
of them is supported.

Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci.c   | 22 ++++++++++++++++++++++
 include/linux/pci.h |  1 +
 2 files changed, 23 insertions(+)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index dbe9f39f443..2797112c940 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1126,6 +1126,27 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable)
 	return pme_done ? 0 : error;
 }
 
+/**
+ * pci_wake_from_d3 - enable/disable device to wake up from D3_hot or D3_cold
+ * @dev: PCI device to prepare
+ * @enable: True to enable wake-up event generation; false to disable
+ *
+ * Many drivers want the device to wake up the system from D3_hot or D3_cold
+ * and this function allows them to set that up cleanly - pci_enable_wake()
+ * should not be called twice in a row to enable wake-up due to PCI PM vs ACPI
+ * ordering constraints.
+ *
+ * This function only returns error code if the device is not capable of
+ * generating PME# from both D3_hot and D3_cold, and the platform is unable to
+ * enable wake-up power for it.
+ */
+int pci_wake_from_d3(struct pci_dev *dev, bool enable)
+{
+	return pci_pme_capable(dev, PCI_D3cold) ?
+			pci_enable_wake(dev, PCI_D3cold, enable) :
+			pci_enable_wake(dev, PCI_D3hot, enable);
+}
+
 /**
  * pci_target_state - find an appropriate low power state for a given PCI dev
  * @dev: PCI device
@@ -1942,6 +1963,7 @@ EXPORT_SYMBOL(pci_restore_state);
 EXPORT_SYMBOL(pci_pme_capable);
 EXPORT_SYMBOL(pci_pme_active);
 EXPORT_SYMBOL(pci_enable_wake);
+EXPORT_SYMBOL(pci_wake_from_d3);
 EXPORT_SYMBOL(pci_target_state);
 EXPORT_SYMBOL(pci_prepare_to_sleep);
 EXPORT_SYMBOL(pci_back_from_sleep);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c989f58d09b..f7e7dbc0919 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -644,6 +644,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state);
 bool pci_pme_capable(struct pci_dev *dev, pci_power_t state);
 void pci_pme_active(struct pci_dev *dev, bool enable);
 int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
+int pci_wake_from_d3(struct pci_dev *dev, bool enable);
 pci_power_t pci_target_state(struct pci_dev *dev);
 int pci_prepare_to_sleep(struct pci_dev *dev);
 int pci_back_from_sleep(struct pci_dev *dev);
-- 
GitLab


From 16dbef4a831782466b10d4ae56837c5ba17d1948 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Fri, 15 Aug 2008 19:36:45 -0700
Subject: [PATCH 1500/2224] PCI: change MSI-x vector to 32bit

We are using 28bit pci (bus/dev/fn + 12 bits) as irq number, so the
cache for irq number should be 32 bit too.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/scsi/qla2xxx/qla_def.h | 2 +-
 include/linux/pci.h            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 83c81921677..f25f41a499e 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2108,7 +2108,7 @@ struct scsi_qla_host;
 
 struct qla_msix_entry {
 	int have_irq;
-	uint16_t msix_vector;
+	uint32_t msix_vector;
 	uint16_t msix_entry;
 };
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f7e7dbc0919..8a4d0bebc31 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -725,7 +725,7 @@ enum pci_dma_burst_strategy {
 };
 
 struct msix_entry {
-	u16 	vector;	/* kernel uses to write allocated vector */
+	u32	vector;	/* kernel uses to write allocated vector */
 	u16	entry;	/* driver uses to specify entry, OS writes */
 };
 
-- 
GitLab


From d768cb6929773060171eee8397a63883f60ddc07 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Mon, 25 Aug 2008 15:44:59 -0600
Subject: [PATCH 1501/2224] x86/PCI: follow lspci device/vendor style

Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format
used by lspci(8).

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/x86/pci/irq.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 006599db0dc..52a1de1128c 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -493,7 +493,7 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq
 	if (pirq <= 4)
 		irq = read_config_nybble(router, 0x56, pirq - 1);
 	dev_info(&dev->dev,
-		 "AMD756: dev [%04x/%04x], router PIRQ %d get IRQ %d\n",
+		 "AMD756: dev [%04x:%04x], router PIRQ %d get IRQ %d\n",
 		 dev->vendor, dev->device, pirq, irq);
 	return irq;
 }
@@ -501,7 +501,7 @@ static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq
 static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
 	dev_info(&dev->dev,
-		 "AMD756: dev [%04x/%04x], router PIRQ %d set IRQ %d\n",
+		 "AMD756: dev [%04x:%04x], router PIRQ %d set IRQ %d\n",
 		 dev->vendor, dev->device, pirq, irq);
 	if (pirq <= 4)
 		write_config_nybble(router, 0x56, pirq - 1, irq);
@@ -823,7 +823,7 @@ static void __init pirq_find_router(struct irq_router *r)
 	r->get = NULL;
 	r->set = NULL;
 
-	DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n",
+	DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for [%04x:%04x]\n",
 	    rt->rtr_vendor, rt->rtr_device);
 
 	pirq_router_dev = pci_get_bus_and_slot(rt->rtr_bus, rt->rtr_devfn);
@@ -843,7 +843,7 @@ static void __init pirq_find_router(struct irq_router *r)
 			h->probe(r, pirq_router_dev, pirq_router_dev->device))
 			break;
 	}
-	dev_info(&pirq_router_dev->dev, "%s IRQ router [%04x/%04x]\n",
+	dev_info(&pirq_router_dev->dev, "%s IRQ router [%04x:%04x]\n",
 		 pirq_router.name,
 		 pirq_router_dev->vendor, pirq_router_dev->device);
 
-- 
GitLab


From 34a2e15e95fce6d6f4d30162f53a0ceb25d5bbaf Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Mon, 25 Aug 2008 15:45:20 -0600
Subject: [PATCH 1502/2224] PCI: follow lspci device/vendor style

Use "[%04x:%04x]" for PCI vendor/device IDs to follow the format
used by lspci(8).

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/portdrv_pci.c | 2 +-
 drivers/pci/probe.c            | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 367c9c20000..584422da8d8 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -91,7 +91,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
 	
 	pci_set_master(dev);
         if (!dev->irq && dev->pin) {
-		dev_warn(&dev->dev, "device [%04x/%04x] has invalid IRQ; "
+		dev_warn(&dev->dev, "device [%04x:%04x] has invalid IRQ; "
 			 "check vendor BIOS\n", dev->vendor, dev->device);
 	}
 	if (pcie_port_device_register(dev)) {
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index d3db8b24972..578d15f49e0 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -762,7 +762,7 @@ static int pci_setup_device(struct pci_dev * dev)
 	dev->class = class;
 	class >>= 8;
 
-	dev_dbg(&dev->dev, "found [%04x/%04x] class %06x header type %02x\n",
+	dev_dbg(&dev->dev, "found [%04x:%04x] class %06x header type %02x\n",
 		 dev->vendor, dev->device, class, dev->hdr_type);
 
 	/* "Unknown power state" */
-- 
GitLab


From a8d2dbd38481e0c35c6bdd8196dd38a42ae45d02 Mon Sep 17 00:00:00 2001
From: "akpm@linux-foundation.org" <akpm@linux-foundation.org>
Date: Fri, 22 Aug 2008 13:28:17 -0700
Subject: [PATCH 1503/2224] PCI: ibmphp: list_for_each to list_for_each_entry

Make code more readable with list_for_each_entry().

Signed-off-by: Cordelia Sam <cordesam@gmail.com>
Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/ibmphp_ebda.c | 92 ++++++++-----------------------
 1 file changed, 23 insertions(+), 69 deletions(-)

diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 7d27631e6e6..1bc08a5b2c7 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -123,10 +123,8 @@ static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc (void)
 static void __init print_bus_info (void)
 {
 	struct bus_info *ptr;
-	struct list_head *ptr1;
 	
-	list_for_each (ptr1, &bus_info_head) {
-		ptr = list_entry (ptr1, struct bus_info, bus_info_list);
+	list_for_each_entry (ptr, &bus_info_head, bus_info_list) {
 		debug ("%s - slot_min = %x\n", __func__, ptr->slot_min);
 		debug ("%s - slot_max = %x\n", __func__, ptr->slot_max);
 		debug ("%s - slot_count = %x\n", __func__, ptr->slot_count);
@@ -146,10 +144,8 @@ static void __init print_bus_info (void)
 static void print_lo_info (void)
 {
 	struct rio_detail *ptr;
-	struct list_head *ptr1;
 	debug ("print_lo_info ----\n");	
-	list_for_each (ptr1, &rio_lo_head) {
-		ptr = list_entry (ptr1, struct rio_detail, rio_detail_list);
+	list_for_each_entry (ptr, &rio_lo_head, rio_detail_list) {
 		debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
 		debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
 		debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
@@ -163,10 +159,8 @@ static void print_lo_info (void)
 static void print_vg_info (void)
 {
 	struct rio_detail *ptr;
-	struct list_head *ptr1;
 	debug ("%s ---\n", __func__);
-	list_for_each (ptr1, &rio_vg_head) {
-		ptr = list_entry (ptr1, struct rio_detail, rio_detail_list);
+	list_for_each_entry (ptr, &rio_vg_head, rio_detail_list) {
 		debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
 		debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
 		debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
@@ -180,10 +174,8 @@ static void print_vg_info (void)
 static void __init print_ebda_pci_rsrc (void)
 {
 	struct ebda_pci_rsrc *ptr;
-	struct list_head *ptr1;
 
-	list_for_each (ptr1, &ibmphp_ebda_pci_rsrc_head) {
-		ptr = list_entry (ptr1, struct ebda_pci_rsrc, ebda_pci_rsrc_list);
+	list_for_each_entry (ptr, &ibmphp_ebda_pci_rsrc_head, ebda_pci_rsrc_list) {
 		debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n", 
 			__func__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr);
 	}
@@ -192,10 +184,8 @@ static void __init print_ebda_pci_rsrc (void)
 static void __init print_ibm_slot (void)
 {
 	struct slot *ptr;
-	struct list_head *ptr1;
 
-	list_for_each (ptr1, &ibmphp_slot_head) {
-		ptr = list_entry (ptr1, struct slot, ibm_slot_list);
+	list_for_each_entry (ptr, &ibmphp_slot_head, ibm_slot_list) {
 		debug ("%s - slot_number: %x\n", __func__, ptr->number);
 	}
 }
@@ -203,10 +193,8 @@ static void __init print_ibm_slot (void)
 static void __init print_opt_vg (void)
 {
 	struct opt_rio *ptr;
-	struct list_head *ptr1;
 	debug ("%s ---\n", __func__);
-	list_for_each (ptr1, &opt_vg_head) {
-		ptr = list_entry (ptr1, struct opt_rio, opt_rio_list);
+	list_for_each_entry (ptr, &opt_vg_head, opt_rio_list) {
 		debug ("%s - rio_type %x\n", __func__, ptr->rio_type);
 		debug ("%s - chassis_num: %x\n", __func__, ptr->chassis_num);
 		debug ("%s - first_slot_num: %x\n", __func__, ptr->first_slot_num);
@@ -217,13 +205,9 @@ static void __init print_opt_vg (void)
 static void __init print_ebda_hpc (void)
 {
 	struct controller *hpc_ptr;
-	struct list_head *ptr1;
 	u16 index;
 
-	list_for_each (ptr1, &ebda_hpc_head) {
-
-		hpc_ptr = list_entry (ptr1, struct controller, ebda_hpc_list); 
-
+	list_for_each_entry (hpc_ptr, &ebda_hpc_head, ebda_hpc_list) {
 		for (index = 0; index < hpc_ptr->slot_count; index++) {
 			debug ("%s - physical slot#: %x\n", __func__, hpc_ptr->slots[index].slot_num);
 			debug ("%s - pci bus# of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_bus_num);
@@ -460,9 +444,7 @@ static int __init ebda_rio_table (void)
 static struct opt_rio *search_opt_vg (u8 chassis_num)
 {
 	struct opt_rio *ptr;
-	struct list_head *ptr1;
-	list_for_each (ptr1, &opt_vg_head) {
-		ptr = list_entry (ptr1, struct opt_rio, opt_rio_list);
+	list_for_each_entry (ptr, &opt_vg_head, opt_rio_list) {
 		if (ptr->chassis_num == chassis_num)
 			return ptr;
 	}		
@@ -473,10 +455,8 @@ static int __init combine_wpg_for_chassis (void)
 {
 	struct opt_rio *opt_rio_ptr = NULL;
 	struct rio_detail *rio_detail_ptr = NULL;
-	struct list_head *list_head_ptr = NULL;
 	
-	list_for_each (list_head_ptr, &rio_vg_head) {
-		rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
+	list_for_each_entry (rio_detail_ptr, &rio_vg_head, rio_detail_list) {
 		opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
 		if (!opt_rio_ptr) {
 			opt_rio_ptr = kzalloc(sizeof(struct opt_rio), GFP_KERNEL);
@@ -497,14 +477,12 @@ static int __init combine_wpg_for_chassis (void)
 }	
 
 /*
- * reorgnizing linked list of expansion box	 
+ * reorganizing linked list of expansion box
  */
 static struct opt_rio_lo *search_opt_lo (u8 chassis_num)
 {
 	struct opt_rio_lo *ptr;
-	struct list_head *ptr1;
-	list_for_each (ptr1, &opt_lo_head) {
-		ptr = list_entry (ptr1, struct opt_rio_lo, opt_rio_lo_list);
+	list_for_each_entry (ptr, &opt_lo_head, opt_rio_lo_list) {
 		if (ptr->chassis_num == chassis_num)
 			return ptr;
 	}		
@@ -515,10 +493,8 @@ static int combine_wpg_for_expansion (void)
 {
 	struct opt_rio_lo *opt_rio_lo_ptr = NULL;
 	struct rio_detail *rio_detail_ptr = NULL;
-	struct list_head *list_head_ptr = NULL;
 	
-	list_for_each (list_head_ptr, &rio_lo_head) {
-		rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
+	list_for_each_entry (rio_detail_ptr, &rio_lo_head, rio_detail_list) {
 		opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
 		if (!opt_rio_lo_ptr) {
 			opt_rio_lo_ptr = kzalloc(sizeof(struct opt_rio_lo), GFP_KERNEL);
@@ -550,20 +526,17 @@ static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
 {
 	struct opt_rio *opt_vg_ptr = NULL;
 	struct opt_rio_lo *opt_lo_ptr = NULL;
-	struct list_head *ptr = NULL;
 	int rc = 0;
 
 	if (!var) {
-		list_for_each (ptr, &opt_vg_head) {
-			opt_vg_ptr = list_entry (ptr, struct opt_rio, opt_rio_list);
+		list_for_each_entry (opt_vg_ptr, &opt_vg_head, opt_rio_list) {
 			if ((first_slot < opt_vg_ptr->first_slot_num) && (slot_num >= opt_vg_ptr->first_slot_num)) { 
 				rc = -ENODEV;
 				break;
 			}
 		}
 	} else {
-		list_for_each (ptr, &opt_lo_head) {
-			opt_lo_ptr = list_entry (ptr, struct opt_rio_lo, opt_rio_lo_list);
+		list_for_each_entry (opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
 			if ((first_slot < opt_lo_ptr->first_slot_num) && (slot_num >= opt_lo_ptr->first_slot_num)) {
 				rc = -ENODEV;
 				break;
@@ -576,10 +549,8 @@ static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
 static struct opt_rio_lo * find_rxe_num (u8 slot_num)
 {
 	struct opt_rio_lo *opt_lo_ptr;
-	struct list_head *ptr;
 
-	list_for_each (ptr, &opt_lo_head) {
-		opt_lo_ptr = list_entry (ptr, struct opt_rio_lo, opt_rio_lo_list);
+	list_for_each_entry (opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
 		//check to see if this slot_num belongs to expansion box
 		if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_lo_ptr->first_slot_num, 1))) 
 			return opt_lo_ptr;
@@ -590,10 +561,8 @@ static struct opt_rio_lo * find_rxe_num (u8 slot_num)
 static struct opt_rio * find_chassis_num (u8 slot_num)
 {
 	struct opt_rio *opt_vg_ptr;
-	struct list_head *ptr;
 
-	list_for_each (ptr, &opt_vg_head) {
-		opt_vg_ptr = list_entry (ptr, struct opt_rio, opt_rio_list);
+	list_for_each_entry (opt_vg_ptr, &opt_vg_head, opt_rio_list) {
 		//check to see if this slot_num belongs to chassis 
 		if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_vg_ptr->first_slot_num, 0))) 
 			return opt_vg_ptr;
@@ -607,11 +576,9 @@ static struct opt_rio * find_chassis_num (u8 slot_num)
 static u8 calculate_first_slot (u8 slot_num)
 {
 	u8 first_slot = 1;
-	struct list_head * list;
 	struct slot * slot_cur;
 	
-	list_for_each (list, &ibmphp_slot_head) {
-		slot_cur = list_entry (list, struct slot, ibm_slot_list);
+	list_for_each_entry (slot_cur, &ibmphp_slot_head, ibm_slot_list) {
 		if (slot_cur->ctrl) {
 			if ((slot_cur->ctrl->ctlr_type != 4) && (slot_cur->ctrl->ending_slot_num > first_slot) && (slot_num > slot_cur->ctrl->ending_slot_num)) 
 				first_slot = slot_cur->ctrl->ending_slot_num;
@@ -767,7 +734,6 @@ static int __init ebda_rsrc_controller (void)
 	struct bus_info *bus_info_ptr1, *bus_info_ptr2;
 	int rc;
 	struct slot *tmp_slot;
-	struct list_head *list;
 
 	addr = hpc_list_ptr->phys_addr;
 	for (ctlr = 0; ctlr < hpc_list_ptr->num_ctlrs; ctlr++) {
@@ -997,9 +963,7 @@ static int __init ebda_rsrc_controller (void)
 
 	}			/* each hpc  */
 
-	list_for_each (list, &ibmphp_slot_head) {
-		tmp_slot = list_entry (list, struct slot, ibm_slot_list);
-
+	list_for_each_entry (tmp_slot, &ibmphp_slot_head, ibm_slot_list) {
 		snprintf (tmp_slot->hotplug_slot->name, 30, "%s", create_file_name (tmp_slot));
 		pci_hp_register(tmp_slot->hotplug_slot,
 			pci_find_bus(0, tmp_slot->bus), tmp_slot->device);
@@ -1101,10 +1065,8 @@ u16 ibmphp_get_total_controllers (void)
 struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
 {
 	struct slot *slot;
-	struct list_head *list;
 
-	list_for_each (list, &ibmphp_slot_head) {
-		slot = list_entry (list, struct slot, ibm_slot_list);
+	list_for_each_entry (slot, &ibmphp_slot_head, ibm_slot_list) {
 		if (slot->number == physical_num)
 			return slot;
 	}
@@ -1120,10 +1082,8 @@ struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
 struct bus_info *ibmphp_find_same_bus_num (u32 num)
 {
 	struct bus_info *ptr;
-	struct list_head  *ptr1;
 
-	list_for_each (ptr1, &bus_info_head) {
-		ptr = list_entry (ptr1, struct bus_info, bus_info_list); 
+	list_for_each_entry (ptr, &bus_info_head, bus_info_list) {
 		if (ptr->busno == num) 
 			 return ptr;
 	}
@@ -1136,10 +1096,8 @@ struct bus_info *ibmphp_find_same_bus_num (u32 num)
 int ibmphp_get_bus_index (u8 num)
 {
 	struct bus_info *ptr;
-	struct list_head  *ptr1;
 
-	list_for_each (ptr1, &bus_info_head) {
-		ptr = list_entry (ptr1, struct bus_info, bus_info_list);
+	list_for_each_entry (ptr, &bus_info_head, bus_info_list) {
 		if (ptr->busno == num)  
 			return ptr->index;
 	}
@@ -1212,11 +1170,9 @@ static struct pci_driver ibmphp_driver = {
 int ibmphp_register_pci (void)
 {
 	struct controller *ctrl;
-	struct list_head *tmp;
 	int rc = 0;
 
-	list_for_each (tmp, &ebda_hpc_head) {
-		ctrl = list_entry (tmp, struct controller, ebda_hpc_list);
+	list_for_each_entry (ctrl, &ebda_hpc_head, ebda_hpc_list) {
 		if (ctrl->ctlr_type == 1) {
 			rc = pci_register_driver(&ibmphp_driver);
 			break;
@@ -1227,12 +1183,10 @@ int ibmphp_register_pci (void)
 static int ibmphp_probe (struct pci_dev * dev, const struct pci_device_id *ids)
 {
 	struct controller *ctrl;
-	struct list_head *tmp;
 
 	debug ("inside ibmphp_probe\n");
 	
-	list_for_each (tmp, &ebda_hpc_head) {
-		ctrl = list_entry (tmp, struct controller, ebda_hpc_list);
+	list_for_each_entry (ctrl, &ebda_hpc_head, ebda_hpc_list) {
 		if (ctrl->ctlr_type == 1) {
 			if ((dev->devfn == ctrl->u.pci_ctlr.dev_fun) && (dev->bus->number == ctrl->u.pci_ctlr.bus)) {
 				ctrl->ctrl_dev = dev;
-- 
GitLab


From 2fd39aa7c2f3d696814abb3e8962c759eee484f3 Mon Sep 17 00:00:00 2001
From: "akpm@linux-foundation.org" <akpm@linux-foundation.org>
Date: Fri, 22 Aug 2008 13:30:14 -0700
Subject: [PATCH 1504/2224] PCI: ibmphp: list_for_each to
 list_for_each_entry-checkpatch cleanups

Please run checkpatch prior to sending patches, this one fixes several style
issues with the list_for_each conversion patch.

Cc: Cordelia Sam <cordesam@gmail.com>
Cc: Cordelia Sam <cordsam@linux.vnet.ibm.com>
Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/ibmphp_ebda.c | 44 +++++++++++++++----------------
 1 file changed, 22 insertions(+), 22 deletions(-)

diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 1bc08a5b2c7..8cfd1c4926c 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -124,7 +124,7 @@ static void __init print_bus_info (void)
 {
 	struct bus_info *ptr;
 	
-	list_for_each_entry (ptr, &bus_info_head, bus_info_list) {
+	list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
 		debug ("%s - slot_min = %x\n", __func__, ptr->slot_min);
 		debug ("%s - slot_max = %x\n", __func__, ptr->slot_max);
 		debug ("%s - slot_count = %x\n", __func__, ptr->slot_count);
@@ -145,7 +145,7 @@ static void print_lo_info (void)
 {
 	struct rio_detail *ptr;
 	debug ("print_lo_info ----\n");	
-	list_for_each_entry (ptr, &rio_lo_head, rio_detail_list) {
+	list_for_each_entry(ptr, &rio_lo_head, rio_detail_list) {
 		debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
 		debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
 		debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
@@ -160,7 +160,7 @@ static void print_vg_info (void)
 {
 	struct rio_detail *ptr;
 	debug ("%s ---\n", __func__);
-	list_for_each_entry (ptr, &rio_vg_head, rio_detail_list) {
+	list_for_each_entry(ptr, &rio_vg_head, rio_detail_list) {
 		debug ("%s - rio_node_id = %x\n", __func__, ptr->rio_node_id);
 		debug ("%s - rio_type = %x\n", __func__, ptr->rio_type);
 		debug ("%s - owner_id = %x\n", __func__, ptr->owner_id);
@@ -175,7 +175,7 @@ static void __init print_ebda_pci_rsrc (void)
 {
 	struct ebda_pci_rsrc *ptr;
 
-	list_for_each_entry (ptr, &ibmphp_ebda_pci_rsrc_head, ebda_pci_rsrc_list) {
+	list_for_each_entry(ptr, &ibmphp_ebda_pci_rsrc_head, ebda_pci_rsrc_list) {
 		debug ("%s - rsrc type: %x bus#: %x dev_func: %x start addr: %x end addr: %x\n", 
 			__func__, ptr->rsrc_type ,ptr->bus_num, ptr->dev_fun,ptr->start_addr, ptr->end_addr);
 	}
@@ -185,7 +185,7 @@ static void __init print_ibm_slot (void)
 {
 	struct slot *ptr;
 
-	list_for_each_entry (ptr, &ibmphp_slot_head, ibm_slot_list) {
+	list_for_each_entry(ptr, &ibmphp_slot_head, ibm_slot_list) {
 		debug ("%s - slot_number: %x\n", __func__, ptr->number);
 	}
 }
@@ -194,7 +194,7 @@ static void __init print_opt_vg (void)
 {
 	struct opt_rio *ptr;
 	debug ("%s ---\n", __func__);
-	list_for_each_entry (ptr, &opt_vg_head, opt_rio_list) {
+	list_for_each_entry(ptr, &opt_vg_head, opt_rio_list) {
 		debug ("%s - rio_type %x\n", __func__, ptr->rio_type);
 		debug ("%s - chassis_num: %x\n", __func__, ptr->chassis_num);
 		debug ("%s - first_slot_num: %x\n", __func__, ptr->first_slot_num);
@@ -207,7 +207,7 @@ static void __init print_ebda_hpc (void)
 	struct controller *hpc_ptr;
 	u16 index;
 
-	list_for_each_entry (hpc_ptr, &ebda_hpc_head, ebda_hpc_list) {
+	list_for_each_entry(hpc_ptr, &ebda_hpc_head, ebda_hpc_list) {
 		for (index = 0; index < hpc_ptr->slot_count; index++) {
 			debug ("%s - physical slot#: %x\n", __func__, hpc_ptr->slots[index].slot_num);
 			debug ("%s - pci bus# of the slot: %x\n", __func__, hpc_ptr->slots[index].slot_bus_num);
@@ -444,7 +444,7 @@ static int __init ebda_rio_table (void)
 static struct opt_rio *search_opt_vg (u8 chassis_num)
 {
 	struct opt_rio *ptr;
-	list_for_each_entry (ptr, &opt_vg_head, opt_rio_list) {
+	list_for_each_entry(ptr, &opt_vg_head, opt_rio_list) {
 		if (ptr->chassis_num == chassis_num)
 			return ptr;
 	}		
@@ -456,7 +456,7 @@ static int __init combine_wpg_for_chassis (void)
 	struct opt_rio *opt_rio_ptr = NULL;
 	struct rio_detail *rio_detail_ptr = NULL;
 	
-	list_for_each_entry (rio_detail_ptr, &rio_vg_head, rio_detail_list) {
+	list_for_each_entry(rio_detail_ptr, &rio_vg_head, rio_detail_list) {
 		opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
 		if (!opt_rio_ptr) {
 			opt_rio_ptr = kzalloc(sizeof(struct opt_rio), GFP_KERNEL);
@@ -482,7 +482,7 @@ static int __init combine_wpg_for_chassis (void)
 static struct opt_rio_lo *search_opt_lo (u8 chassis_num)
 {
 	struct opt_rio_lo *ptr;
-	list_for_each_entry (ptr, &opt_lo_head, opt_rio_lo_list) {
+	list_for_each_entry(ptr, &opt_lo_head, opt_rio_lo_list) {
 		if (ptr->chassis_num == chassis_num)
 			return ptr;
 	}		
@@ -494,7 +494,7 @@ static int combine_wpg_for_expansion (void)
 	struct opt_rio_lo *opt_rio_lo_ptr = NULL;
 	struct rio_detail *rio_detail_ptr = NULL;
 	
-	list_for_each_entry (rio_detail_ptr, &rio_lo_head, rio_detail_list) {
+	list_for_each_entry(rio_detail_ptr, &rio_lo_head, rio_detail_list) {
 		opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
 		if (!opt_rio_lo_ptr) {
 			opt_rio_lo_ptr = kzalloc(sizeof(struct opt_rio_lo), GFP_KERNEL);
@@ -529,14 +529,14 @@ static int first_slot_num (u8 slot_num, u8 first_slot, u8 var)
 	int rc = 0;
 
 	if (!var) {
-		list_for_each_entry (opt_vg_ptr, &opt_vg_head, opt_rio_list) {
+		list_for_each_entry(opt_vg_ptr, &opt_vg_head, opt_rio_list) {
 			if ((first_slot < opt_vg_ptr->first_slot_num) && (slot_num >= opt_vg_ptr->first_slot_num)) { 
 				rc = -ENODEV;
 				break;
 			}
 		}
 	} else {
-		list_for_each_entry (opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
+		list_for_each_entry(opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
 			if ((first_slot < opt_lo_ptr->first_slot_num) && (slot_num >= opt_lo_ptr->first_slot_num)) {
 				rc = -ENODEV;
 				break;
@@ -550,7 +550,7 @@ static struct opt_rio_lo * find_rxe_num (u8 slot_num)
 {
 	struct opt_rio_lo *opt_lo_ptr;
 
-	list_for_each_entry (opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
+	list_for_each_entry(opt_lo_ptr, &opt_lo_head, opt_rio_lo_list) {
 		//check to see if this slot_num belongs to expansion box
 		if ((slot_num >= opt_lo_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_lo_ptr->first_slot_num, 1))) 
 			return opt_lo_ptr;
@@ -562,7 +562,7 @@ static struct opt_rio * find_chassis_num (u8 slot_num)
 {
 	struct opt_rio *opt_vg_ptr;
 
-	list_for_each_entry (opt_vg_ptr, &opt_vg_head, opt_rio_list) {
+	list_for_each_entry(opt_vg_ptr, &opt_vg_head, opt_rio_list) {
 		//check to see if this slot_num belongs to chassis 
 		if ((slot_num >= opt_vg_ptr->first_slot_num) && (!first_slot_num (slot_num, opt_vg_ptr->first_slot_num, 0))) 
 			return opt_vg_ptr;
@@ -578,7 +578,7 @@ static u8 calculate_first_slot (u8 slot_num)
 	u8 first_slot = 1;
 	struct slot * slot_cur;
 	
-	list_for_each_entry (slot_cur, &ibmphp_slot_head, ibm_slot_list) {
+	list_for_each_entry(slot_cur, &ibmphp_slot_head, ibm_slot_list) {
 		if (slot_cur->ctrl) {
 			if ((slot_cur->ctrl->ctlr_type != 4) && (slot_cur->ctrl->ending_slot_num > first_slot) && (slot_num > slot_cur->ctrl->ending_slot_num)) 
 				first_slot = slot_cur->ctrl->ending_slot_num;
@@ -963,7 +963,7 @@ static int __init ebda_rsrc_controller (void)
 
 	}			/* each hpc  */
 
-	list_for_each_entry (tmp_slot, &ibmphp_slot_head, ibm_slot_list) {
+	list_for_each_entry(tmp_slot, &ibmphp_slot_head, ibm_slot_list) {
 		snprintf (tmp_slot->hotplug_slot->name, 30, "%s", create_file_name (tmp_slot));
 		pci_hp_register(tmp_slot->hotplug_slot,
 			pci_find_bus(0, tmp_slot->bus), tmp_slot->device);
@@ -1066,7 +1066,7 @@ struct slot *ibmphp_get_slot_from_physical_num (u8 physical_num)
 {
 	struct slot *slot;
 
-	list_for_each_entry (slot, &ibmphp_slot_head, ibm_slot_list) {
+	list_for_each_entry(slot, &ibmphp_slot_head, ibm_slot_list) {
 		if (slot->number == physical_num)
 			return slot;
 	}
@@ -1083,7 +1083,7 @@ struct bus_info *ibmphp_find_same_bus_num (u32 num)
 {
 	struct bus_info *ptr;
 
-	list_for_each_entry (ptr, &bus_info_head, bus_info_list) {
+	list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
 		if (ptr->busno == num) 
 			 return ptr;
 	}
@@ -1097,7 +1097,7 @@ int ibmphp_get_bus_index (u8 num)
 {
 	struct bus_info *ptr;
 
-	list_for_each_entry (ptr, &bus_info_head, bus_info_list) {
+	list_for_each_entry(ptr, &bus_info_head, bus_info_list) {
 		if (ptr->busno == num)  
 			return ptr->index;
 	}
@@ -1172,7 +1172,7 @@ int ibmphp_register_pci (void)
 	struct controller *ctrl;
 	int rc = 0;
 
-	list_for_each_entry (ctrl, &ebda_hpc_head, ebda_hpc_list) {
+	list_for_each_entry(ctrl, &ebda_hpc_head, ebda_hpc_list) {
 		if (ctrl->ctlr_type == 1) {
 			rc = pci_register_driver(&ibmphp_driver);
 			break;
@@ -1186,7 +1186,7 @@ static int ibmphp_probe (struct pci_dev * dev, const struct pci_device_id *ids)
 
 	debug ("inside ibmphp_probe\n");
 	
-	list_for_each_entry (ctrl, &ebda_hpc_head, ebda_hpc_list) {
+	list_for_each_entry(ctrl, &ebda_hpc_head, ebda_hpc_list) {
 		if (ctrl->ctlr_type == 1) {
 			if ((dev->devfn == ctrl->u.pci_ctlr.dev_fun) && (dev->bus->number == ctrl->u.pci_ctlr.bus)) {
 				ctrl->ctrl_dev = dev;
-- 
GitLab


From c9ed77eeba8ec2541a40918210bcc676acacd43a Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Fri, 22 Aug 2008 09:37:02 -0600
Subject: [PATCH 1505/2224] PCI: tidy PME support messages

This patch changes these two messages:

    pci 0000:00:03.0: supports D1
    pci 0000:00:03.0: supports D2

to this:

    pci 0000:00:03.0: supports D1 D2

It also trivially converts a "dev_printk(KERN_INFO, ...)" to
"dev_info(...)".

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 2797112c940..e1a17b85447 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1263,25 +1263,25 @@ void pci_pm_init(struct pci_dev *dev)
 	dev->d1_support = false;
 	dev->d2_support = false;
 	if (!pci_no_d1d2(dev)) {
-		if (pmc & PCI_PM_CAP_D1) {
-			dev_printk(KERN_DEBUG, &dev->dev, "supports D1\n");
+		if (pmc & PCI_PM_CAP_D1)
 			dev->d1_support = true;
-		}
-		if (pmc & PCI_PM_CAP_D2) {
-			dev_printk(KERN_DEBUG, &dev->dev, "supports D2\n");
+		if (pmc & PCI_PM_CAP_D2)
 			dev->d2_support = true;
-		}
+
+		if (dev->d1_support || dev->d2_support)
+			dev_printk(KERN_DEBUG, &dev->dev, "supports%s%s\n",
+				   dev->d1_support ? " D1": "",
+				   dev->d2_support ? " D2": "");
 	}
 
 	pmc &= PCI_PM_CAP_PME_MASK;
 	if (pmc) {
-		dev_printk(KERN_INFO, &dev->dev,
-			"PME# supported from%s%s%s%s%s\n",
-			(pmc & PCI_PM_CAP_PME_D0) ? " D0" : "",
-			(pmc & PCI_PM_CAP_PME_D1) ? " D1" : "",
-			(pmc & PCI_PM_CAP_PME_D2) ? " D2" : "",
-			(pmc & PCI_PM_CAP_PME_D3) ? " D3hot" : "",
-			(pmc & PCI_PM_CAP_PME_D3cold) ? " D3cold" : "");
+		dev_info(&dev->dev, "PME# supported from%s%s%s%s%s\n",
+			 (pmc & PCI_PM_CAP_PME_D0) ? " D0" : "",
+			 (pmc & PCI_PM_CAP_PME_D1) ? " D1" : "",
+			 (pmc & PCI_PM_CAP_PME_D2) ? " D2" : "",
+			 (pmc & PCI_PM_CAP_PME_D3) ? " D3hot" : "",
+			 (pmc & PCI_PM_CAP_PME_D3cold) ? " D3cold" : "");
 		dev->pme_support = pmc >> PCI_PM_CAP_PME_SHIFT;
 		/*
 		 * Make device's PM flags reflect the wake-up capability, but
-- 
GitLab


From c01156061bdd5976397dfb173f8c70ae351a6cb6 Mon Sep 17 00:00:00 2001
From: Andi Kleen <andi@firstfloor.org>
Date: Fri, 22 Aug 2008 09:53:39 +0200
Subject: [PATCH 1506/2224] PCI: Document that most pci options are shared
 between i386 and x86-64

Since the code is shared pretty much most of the pci= options are shared,
but kernel-parameters.txt marked most of them as i386 only.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/kernel-parameters.txt | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 0f1544f6740..08fbc8372ba 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -101,6 +101,7 @@ parameter is applicable:
 	X86-64	X86-64 architecture is enabled.
 			More X86-64 boot options can be found in
 			Documentation/x86_64/boot-options.txt .
+	X86	Either 32bit or 64bit x86 (same as X86-32+X86-64)
 
 In addition, the following text indicates that the option:
 
@@ -1588,7 +1589,7 @@ and is between 256 and 4096 characters. It is defined in the file
 			See also Documentation/paride.txt.
 
 	pci=option[,option...]	[PCI] various PCI subsystem options:
-		off		[X86-32] don't probe for the PCI bus
+		off		[X86] don't probe for the PCI bus
 		bios		[X86-32] force use of PCI BIOS, don't access
 				the hardware directly. Use this if your machine
 				has a non-standard PCI host bridge.
@@ -1596,9 +1597,9 @@ and is between 256 and 4096 characters. It is defined in the file
 				hardware access methods are allowed. Use this
 				if you experience crashes upon bootup and you
 				suspect they are caused by the BIOS.
-		conf1		[X86-32] Force use of PCI Configuration
+		conf1		[X86] Force use of PCI Configuration
 				Mechanism 1.
-		conf2		[X86-32] Force use of PCI Configuration
+		conf2		[X86] Force use of PCI Configuration
 				Mechanism 2.
 		noaer		[PCIE] If the PCIEAER kernel config parameter is
 				enabled, this kernel boot option can be used to
@@ -1618,37 +1619,37 @@ and is between 256 and 4096 characters. It is defined in the file
 				this option if the kernel is unable to allocate
 				IRQs or discover secondary PCI buses on your
 				motherboard.
-		rom		[X86-32] Assign address space to expansion ROMs.
+		rom		[X86] Assign address space to expansion ROMs.
 				Use with caution as certain devices share
 				address decoders between ROMs and other
 				resources.
-		norom		[X86-32,X86_64] Do not assign address space to
+		norom		[X86] Do not assign address space to
 				expansion ROMs that do not already have
 				BIOS assigned address ranges.
-		irqmask=0xMMMM	[X86-32] Set a bit mask of IRQs allowed to be
+		irqmask=0xMMMM	[X86] Set a bit mask of IRQs allowed to be
 				assigned automatically to PCI devices. You can
 				make the kernel exclude IRQs of your ISA cards
 				this way.
-		pirqaddr=0xAAAAA	[X86-32] Specify the physical address
+		pirqaddr=0xAAAAA	[X86] Specify the physical address
 				of the PIRQ table (normally generated
 				by the BIOS) if it is outside the
 				F0000h-100000h range.
-		lastbus=N	[X86-32] Scan all buses thru bus #N. Can be
+		lastbus=N	[X86] Scan all buses thru bus #N. Can be
 				useful if the kernel is unable to find your
 				secondary buses and you want to tell it
 				explicitly which ones they are.
-		assign-busses	[X86-32] Always assign all PCI bus
+		assign-busses	[X86] Always assign all PCI bus
 				numbers ourselves, overriding
 				whatever the firmware may have done.
-		usepirqmask	[X86-32] Honor the possible IRQ mask stored
+		usepirqmask	[X86] Honor the possible IRQ mask stored
 				in the BIOS $PIR table. This is needed on
 				some systems with broken BIOSes, notably
 				some HP Pavilion N5400 and Omnibook XE3
 				notebooks. This will have no effect if ACPI
 				IRQ routing is enabled.
-		noacpi		[X86-32] Do not use ACPI for IRQ routing
+		noacpi		[X86] Do not use ACPI for IRQ routing
 				or for PCI scanning.
-		use_crs		[X86-32] Use _CRS for PCI resource
+		use_crs		[X86] Use _CRS for PCI resource
 				allocation.
 		routeirq	Do IRQ routing for all PCI devices.
 				This is normally done in pci_enable_device(),
-- 
GitLab


From f7a10e32a1a7ae240fa3925c5727d224eba3e31d Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Fri, 22 Aug 2008 17:16:48 +0900
Subject: [PATCH 1507/2224] PCI: pciehp: fix irq initialization

Current pciehp driver gets irq number from pci_dev->irq. But because
pciehp driver is a pci express port service driver, it should get irq
number from pcie_device->irq.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp.h     | 1 +
 drivers/pci/hotplug/pciehp_hpc.c | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 9e6cec67e1c..217427a0ead 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -87,6 +87,7 @@ struct controller {
 	int num_slots;			/* Number of slots on ctlr */
 	int slot_num_inc;		/* 1 or -1 */
 	struct pci_dev *pci_dev;
+	struct pcie_device *pcie;	/* PCI Express port service */
 	struct list_head slot_list;
 	struct hpc_ops *hpc_ops;
 	wait_queue_head_t queue;	/* sleep & wake process */
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 9d934ddee95..5a5c08f12af 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -223,7 +223,7 @@ static void start_int_poll_timer(struct controller *ctrl, int sec)
 
 static inline int pciehp_request_irq(struct controller *ctrl)
 {
-	int retval, irq = ctrl->pci_dev->irq;
+	int retval, irq = ctrl->pcie->irq;
 
 	/* Install interrupt polling timer. Start with 10 sec delay */
 	if (pciehp_poll_mode) {
@@ -244,7 +244,7 @@ static inline void pciehp_free_irq(struct controller *ctrl)
 	if (pciehp_poll_mode)
 		del_timer_sync(&ctrl->poll_timer);
 	else
-		free_irq(ctrl->pci_dev->irq, ctrl);
+		free_irq(ctrl->pcie->irq, ctrl);
 }
 
 static int pcie_poll_cmd(struct controller *ctrl)
@@ -1114,6 +1114,7 @@ struct controller *pcie_init(struct pcie_device *dev)
 	}
 	INIT_LIST_HEAD(&ctrl->slot_list);
 
+	ctrl->pcie = dev;
 	ctrl->pci_dev = pdev;
 	ctrl->cap_base = pci_find_capability(pdev, PCI_CAP_ID_EXP);
 	if (!ctrl->cap_base) {
-- 
GitLab


From 37a84ec668ba251ae02cf2c2c664baf6b247ae1f Mon Sep 17 00:00:00 2001
From: Seth Heasley <seth.heasley@intel.com>
Date: Thu, 28 Aug 2008 15:40:59 -0700
Subject: [PATCH 1508/2224] x86/PCI: irq and pci_ids patch for Intel Ibex Peak
 DeviceIDs

This patch updates the Intel Ibex Peak (PCH) LPC and SMBus Controller
DeviceIDs.

The LPC Controller ID is set by Firmware within the range of
0x3b00-3b1f.  This range is included in pci_ids.h using min and max
values, and irq.c now has code to handle the range (in lieu of 32
additions to a SWITCH statement).

The SMBus Controller ID is a fixed-value and will not change.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/x86/pci/irq.c      | 11 +++++++++--
 include/linux/pci_ids.h |  6 +++---
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index 52a1de1128c..bf69dbe08bf 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -590,13 +590,20 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
 	case PCI_DEVICE_ID_INTEL_ICH10_1:
 	case PCI_DEVICE_ID_INTEL_ICH10_2:
 	case PCI_DEVICE_ID_INTEL_ICH10_3:
-	case PCI_DEVICE_ID_INTEL_PCH_0:
-	case PCI_DEVICE_ID_INTEL_PCH_1:
 		r->name = "PIIX/ICH";
 		r->get = pirq_piix_get;
 		r->set = pirq_piix_set;
 		return 1;
 	}
+
+	if ((device >= PCI_DEVICE_ID_INTEL_PCH_LPC_MIN) && 
+		(device <= PCI_DEVICE_ID_INTEL_PCH_LPC_MAX)) {
+		r->name = "PIIX/ICH";
+		r->get = pirq_piix_get;
+		r->set = pirq_piix_set;
+		return 1;
+	}
+
 	return 0;
 }
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 8edddc240e4..e5d344bfcb7 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2454,9 +2454,9 @@
 #define PCI_DEVICE_ID_INTEL_ICH10_3	0x3a1a
 #define PCI_DEVICE_ID_INTEL_ICH10_4	0x3a30
 #define PCI_DEVICE_ID_INTEL_ICH10_5	0x3a60
-#define PCI_DEVICE_ID_INTEL_PCH_0	0x3b10
-#define PCI_DEVICE_ID_INTEL_PCH_1	0x3b11
-#define PCI_DEVICE_ID_INTEL_PCH_2	0x3b30
+#define PCI_DEVICE_ID_INTEL_PCH_LPC_MIN	0x3b00
+#define PCI_DEVICE_ID_INTEL_PCH_LPC_MAX	0x3b1f
+#define PCI_DEVICE_ID_INTEL_PCH_SMBUS	0x3b30
 #define PCI_DEVICE_ID_INTEL_IOAT_SNB	0x402f
 #define PCI_DEVICE_ID_INTEL_5100_16	0x65f0
 #define PCI_DEVICE_ID_INTEL_5100_21	0x65f5
-- 
GitLab


From 83e9ad540b9ee23919961f9500ca254220b78d09 Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Fri, 5 Sep 2008 12:09:43 +0900
Subject: [PATCH 1509/2224] PCI: pciehp: change name tag of "hpdriver_portdrv"
 variable

I think an appropriate name tag of "hpdriver_portdrv" variable
is "pciehp" rather than "hpdriver".

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 4fd5355bc3b..3c8581e597c 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -497,10 +497,9 @@ static struct pcie_port_service_id port_pci_ids[] = { {
 	.driver_data =	0,
 	}, { /* end: all zeroes */ }
 };
-static const char device_name[] = "hpdriver";
 
 static struct pcie_port_service_driver hpdriver_portdrv = {
-	.name		= (char *)device_name,
+	.name		= PCIE_MODULE_NAME,
 	.id_table	= &port_pci_ids[0],
 
 	.probe		= pciehp_probe,
-- 
GitLab


From 7f2feec140f1f1e4f701e013a2bf8284a9ec2a3c Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Fri, 5 Sep 2008 12:11:26 +0900
Subject: [PATCH 1510/2224] PCI: pciehp: replace printk with dev_printk

This patch replaces printks within pciehp module with dev_printks.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp.h      |  15 ++-
 drivers/pci/hotplug/pciehp_core.c |  75 +++++++-----
 drivers/pci/hotplug/pciehp_ctrl.c | 136 ++++++++++++---------
 drivers/pci/hotplug/pciehp_hpc.c  | 197 +++++++++++++++++-------------
 drivers/pci/hotplug/pciehp_pci.c  |  26 ++--
 5 files changed, 263 insertions(+), 186 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 217427a0ead..c367978bd7f 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -57,6 +57,19 @@ extern struct workqueue_struct *pciehp_wq;
 #define warn(format, arg...)						\
 	printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
 
+#define ctrl_dbg(ctrl, format, arg...)					\
+	do {								\
+		if (pciehp_debug)					\
+			dev_printk(, &ctrl->pcie->device,		\
+					format, ## arg);		\
+	} while (0)
+#define ctrl_err(ctrl, format, arg...)					\
+	dev_err(&ctrl->pcie->device, format, ## arg)
+#define ctrl_info(ctrl, format, arg...)					\
+	dev_info(&ctrl->pcie->device, format, ## arg)
+#define ctrl_warn(ctrl, format, arg...)					\
+	dev_warn(&ctrl->pcie->device, format, ## arg)
+
 #define SLOT_NAME_SIZE 10
 struct slot {
 	u8 bus;
@@ -171,7 +184,7 @@ static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
 			return slot;
 	}
 
-	err("%s: slot (device=0x%x) not found\n", __func__, device);
+	ctrl_err(ctrl, "%s: slot (device=0x%x) not found\n", __func__, device);
 	return NULL;
 }
 
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 3c8581e597c..c748a19db89 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -144,9 +144,10 @@ set_lock_exit:
  * sysfs interface which allows the user to toggle the Electro Mechanical
  * Interlock.  Valid values are either 0 or 1.  0 == unlock, 1 == lock
  */
-static ssize_t lock_write_file(struct hotplug_slot *slot, const char *buf,
-		size_t count)
+static ssize_t lock_write_file(struct hotplug_slot *hotplug_slot,
+		const char *buf, size_t count)
 {
+	struct slot *slot = hotplug_slot->private;
 	unsigned long llock;
 	u8 lock;
 	int retval = 0;
@@ -157,10 +158,11 @@ static ssize_t lock_write_file(struct hotplug_slot *slot, const char *buf,
 	switch (lock) {
 		case 0:
 		case 1:
-			retval = set_lock_status(slot, lock);
+			retval = set_lock_status(hotplug_slot, lock);
 			break;
 		default:
-			err ("%d is an invalid lock value\n", lock);
+			ctrl_err(slot->ctrl, "%d is an invalid lock value\n",
+				 lock);
 			retval = -EINVAL;
 	}
 	if (retval)
@@ -180,7 +182,10 @@ static struct hotplug_slot_attribute hotplug_slot_attr_lock = {
  */
 static void release_slot(struct hotplug_slot *hotplug_slot)
 {
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	struct slot *slot = hotplug_slot->private;
+
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, hotplug_slot->name);
 
 	kfree(hotplug_slot->info);
 	kfree(hotplug_slot);
@@ -215,9 +220,9 @@ static int init_slots(struct controller *ctrl)
 		get_adapter_status(hotplug_slot, &info->adapter_status);
 		slot->hotplug_slot = hotplug_slot;
 
-		dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
-		    "slot_device_offset=%x\n", slot->bus, slot->device,
-		    slot->hp_slot, slot->number, ctrl->slot_device_offset);
+		ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
+			 "slot_device_offset=%x\n", slot->bus, slot->device,
+			 slot->hp_slot, slot->number, ctrl->slot_device_offset);
 duplicate_name:
 		retval = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
@@ -233,9 +238,11 @@ duplicate_name:
 				if (len < SLOT_NAME_SIZE)
 					goto duplicate_name;
 				else
-					err("duplicate slot name overflow\n");
+					ctrl_err(ctrl, "duplicate slot name "
+						 "overflow\n");
 			}
-			err("pci_hp_register failed with error %d\n", retval);
+			ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
+				 retval);
 			goto error_info;
 		}
 		/* create additional sysfs entries */
@@ -244,7 +251,8 @@ duplicate_name:
 				&hotplug_slot_attr_lock.attr);
 			if (retval) {
 				pci_hp_deregister(hotplug_slot);
-				err("cannot create additional sysfs entries\n");
+				ctrl_err(ctrl, "cannot create additional sysfs "
+					 "entries\n");
 				goto error_info;
 			}
 		}
@@ -278,7 +286,8 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		  __func__, hotplug_slot->name);
 
 	hotplug_slot->info->attention_status = status;
 
@@ -293,7 +302,8 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, hotplug_slot->name);
 
 	return pciehp_sysfs_enable_slot(slot);
 }
@@ -303,7 +313,8 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		  __func__, hotplug_slot->name);
 
 	return pciehp_sysfs_disable_slot(slot);
 }
@@ -313,7 +324,8 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		  __func__, hotplug_slot->name);
 
 	retval = slot->hpc_ops->get_power_status(slot, value);
 	if (retval < 0)
@@ -327,7 +339,8 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		  __func__, hotplug_slot->name);
 
 	retval = slot->hpc_ops->get_attention_status(slot, value);
 	if (retval < 0)
@@ -341,7 +354,8 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, hotplug_slot->name);
 
 	retval = slot->hpc_ops->get_latch_status(slot, value);
 	if (retval < 0)
@@ -355,7 +369,8 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, hotplug_slot->name);
 
 	retval = slot->hpc_ops->get_adapter_status(slot, value);
 	if (retval < 0)
@@ -370,7 +385,8 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, hotplug_slot->name);
 
 	retval = slot->hpc_ops->get_max_bus_speed(slot, value);
 	if (retval < 0)
@@ -384,7 +400,8 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, hotplug_slot->name);
 
 	retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
 	if (retval < 0)
@@ -402,14 +419,15 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 	struct pci_dev *pdev = dev->port;
 
 	if (pciehp_force)
-		dbg("Bypassing BIOS check for pciehp use on %s\n",
-		    pci_name(pdev));
+		dev_info(&dev->device,
+			 "Bypassing BIOS check for pciehp use on %s\n",
+			 pci_name(pdev));
 	else if (pciehp_get_hp_hw_control_from_firmware(pdev))
 		goto err_out_none;
 
 	ctrl = pcie_init(dev);
 	if (!ctrl) {
-		dbg("%s: controller initialization failed\n", PCIE_MODULE_NAME);
+		dev_err(&dev->device, "controller initialization failed\n");
 		goto err_out_none;
 	}
 	set_service_data(dev, ctrl);
@@ -418,11 +436,10 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 	rc = init_slots(ctrl);
 	if (rc) {
 		if (rc == -EBUSY)
-			warn("%s: slot already registered by another "
-				"hotplug driver\n", PCIE_MODULE_NAME);
+			ctrl_warn(ctrl, "slot already registered by another "
+				  "hotplug driver\n");
 		else
-			err("%s: slot initialization failed\n",
-				PCIE_MODULE_NAME);
+			ctrl_err(ctrl, "slot initialization failed\n");
 		goto err_out_release_ctlr;
 	}
 
@@ -461,13 +478,13 @@ static void pciehp_remove (struct pcie_device *dev)
 #ifdef CONFIG_PM
 static int pciehp_suspend (struct pcie_device *dev, pm_message_t state)
 {
-	printk("%s ENTRY\n", __func__);
+	dev_info(&dev->device, "%s ENTRY\n", __func__);
 	return 0;
 }
 
 static int pciehp_resume (struct pcie_device *dev)
 {
-	printk("%s ENTRY\n", __func__);
+	dev_info(&dev->device, "%s ENTRY\n", __func__);
 	if (pciehp_force) {
 		struct controller *ctrl = get_service_data(dev);
 		struct slot *t_slot;
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index 96a5d55a498..acb7f9efd18 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -58,14 +58,15 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
 u8 pciehp_handle_attention_button(struct slot *p_slot)
 {
 	u32 event_type;
+	struct controller *ctrl = p_slot->ctrl;
 
 	/* Attention Button Change */
-	dbg("pciehp:  Attention button interrupt received.\n");
+	ctrl_dbg(ctrl, "Attention button interrupt received.\n");
 
 	/*
 	 *  Button pressed - See if need to TAKE ACTION!!!
 	 */
-	info("Button pressed on Slot(%s)\n", p_slot->name);
+	ctrl_info(ctrl, "Button pressed on Slot(%s)\n", p_slot->name);
 	event_type = INT_BUTTON_PRESS;
 
 	queue_interrupt_event(p_slot, event_type);
@@ -77,22 +78,23 @@ u8 pciehp_handle_switch_change(struct slot *p_slot)
 {
 	u8 getstatus;
 	u32 event_type;
+	struct controller *ctrl = p_slot->ctrl;
 
 	/* Switch Change */
-	dbg("pciehp:  Switch interrupt received.\n");
+	ctrl_dbg(ctrl, "Switch interrupt received.\n");
 
 	p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 	if (getstatus) {
 		/*
 		 * Switch opened
 		 */
-		info("Latch open on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Latch open on Slot(%s)\n", p_slot->name);
 		event_type = INT_SWITCH_OPEN;
 	} else {
 		/*
 		 *  Switch closed
 		 */
-		info("Latch close on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Latch close on Slot(%s)\n", p_slot->name);
 		event_type = INT_SWITCH_CLOSE;
 	}
 
@@ -105,9 +107,10 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
 {
 	u32 event_type;
 	u8 presence_save;
+	struct controller *ctrl = p_slot->ctrl;
 
 	/* Presence Change */
-	dbg("pciehp:  Presence/Notify input change.\n");
+	ctrl_dbg(ctrl, "Presence/Notify input change.\n");
 
 	/* Switch is open, assume a presence change
 	 * Save the presence state
@@ -117,13 +120,13 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
 		/*
 		 * Card Present
 		 */
-		info("Card present on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Card present on Slot(%s)\n", p_slot->name);
 		event_type = INT_PRESENCE_ON;
 	} else {
 		/*
 		 * Not Present
 		 */
-		info("Card not present on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Card not present on Slot(%s)\n", p_slot->name);
 		event_type = INT_PRESENCE_OFF;
 	}
 
@@ -135,23 +138,25 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
 u8 pciehp_handle_power_fault(struct slot *p_slot)
 {
 	u32 event_type;
+	struct controller *ctrl = p_slot->ctrl;
 
 	/* power fault */
-	dbg("pciehp:  Power fault interrupt received.\n");
+	ctrl_dbg(ctrl, "Power fault interrupt received.\n");
 
 	if ( !(p_slot->hpc_ops->query_power_fault(p_slot))) {
 		/*
 		 * power fault Cleared
 		 */
-		info("Power fault cleared on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Power fault cleared on Slot(%s)\n",
+			  p_slot->name);
 		event_type = INT_POWER_FAULT_CLEAR;
 	} else {
 		/*
 		 *   power fault
 		 */
-		info("Power fault on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Power fault on Slot(%s)\n", p_slot->name);
 		event_type = INT_POWER_FAULT;
-		info("power fault bit %x set\n", 0);
+		ctrl_info(ctrl, "power fault bit %x set\n", 0);
 	}
 
 	queue_interrupt_event(p_slot, event_type);
@@ -168,8 +173,9 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
 	/* turn off slot, turn on Amber LED, turn off Green LED if supported*/
 	if (POWER_CTRL(ctrl)) {
 		if (pslot->hpc_ops->power_off_slot(pslot)) {
-			err("%s: Issue of Slot Power Off command failed\n",
-			    __func__);
+			ctrl_err(ctrl,
+				 "%s: Issue of Slot Power Off command failed\n",
+				 __func__);
 			return;
 		}
 	}
@@ -186,8 +192,8 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
 
 	if (ATTN_LED(ctrl)) {
 		if (pslot->hpc_ops->set_attention_status(pslot, 1)) {
-			err("%s: Issue of Set Attention Led command failed\n",
-			    __func__);
+			ctrl_err(ctrl, "%s: Issue of Set Attention "
+				 "Led command failed\n", __func__);
 			return;
 		}
 	}
@@ -205,9 +211,9 @@ static int board_added(struct slot *p_slot)
 	int retval = 0;
 	struct controller *ctrl = p_slot->ctrl;
 
-	dbg("%s: slot device, slot offset, hp slot = %d, %d ,%d\n",
-			__func__, p_slot->device,
-			ctrl->slot_device_offset, p_slot->hp_slot);
+	ctrl_dbg(ctrl, "%s: slot device, slot offset, hp slot = %d, %d ,%d\n",
+		 __func__, p_slot->device, ctrl->slot_device_offset,
+		 p_slot->hp_slot);
 
 	if (POWER_CTRL(ctrl)) {
 		/* Power on slot */
@@ -225,22 +231,22 @@ static int board_added(struct slot *p_slot)
 	/* Check link training status */
 	retval = p_slot->hpc_ops->check_lnk_status(ctrl);
 	if (retval) {
-		err("%s: Failed to check link status\n", __func__);
+		ctrl_err(ctrl, "%s: Failed to check link status\n", __func__);
 		set_slot_off(ctrl, p_slot);
 		return retval;
 	}
 
 	/* Check for a power fault */
 	if (p_slot->hpc_ops->query_power_fault(p_slot)) {
-		dbg("%s: power fault detected\n", __func__);
+		ctrl_dbg(ctrl, "%s: power fault detected\n", __func__);
 		retval = POWER_FAILURE;
 		goto err_exit;
 	}
 
 	retval = pciehp_configure_device(p_slot);
 	if (retval) {
-		err("Cannot add device 0x%x:%x\n", p_slot->bus,
-		    p_slot->device);
+		ctrl_err(ctrl, "Cannot add device 0x%x:%x\n",
+			 p_slot->bus, p_slot->device);
 		goto err_exit;
 	}
 
@@ -272,14 +278,14 @@ static int remove_board(struct slot *p_slot)
 	if (retval)
 		return retval;
 
-	dbg("In %s, hp_slot = %d\n", __func__, p_slot->hp_slot);
+	ctrl_dbg(ctrl, "In %s, hp_slot = %d\n", __func__, p_slot->hp_slot);
 
 	if (POWER_CTRL(ctrl)) {
 		/* power off slot */
 		retval = p_slot->hpc_ops->power_off_slot(p_slot);
 		if (retval) {
-			err("%s: Issue of Slot Disable command failed\n",
-			    __func__);
+			ctrl_err(ctrl, "%s: Issue of Slot Disable command "
+				 "failed\n", __func__);
 			return retval;
 		}
 	}
@@ -320,8 +326,8 @@ static void pciehp_power_thread(struct work_struct *work)
 	switch (p_slot->state) {
 	case POWEROFF_STATE:
 		mutex_unlock(&p_slot->lock);
-		dbg("%s: disabling bus:device(%x:%x)\n",
-		    __func__, p_slot->bus, p_slot->device);
+		ctrl_dbg(p_slot->ctrl, "%s: disabling bus:device(%x:%x)\n",
+			 __func__, p_slot->bus, p_slot->device);
 		pciehp_disable_slot(p_slot);
 		mutex_lock(&p_slot->lock);
 		p_slot->state = STATIC_STATE;
@@ -349,7 +355,8 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
 	if (!info) {
-		err("%s: Cannot allocate memory\n", __func__);
+		ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n",
+			 __func__);
 		return;
 	}
 	info->p_slot = p_slot;
@@ -403,12 +410,14 @@ static void handle_button_press_event(struct slot *p_slot)
 		p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (getstatus) {
 			p_slot->state = BLINKINGOFF_STATE;
-			info("PCI slot #%s - powering off due to button "
-			     "press.\n", p_slot->name);
+			ctrl_info(ctrl,
+				  "PCI slot #%s - powering off due to button "
+				  "press.\n", p_slot->name);
 		} else {
 			p_slot->state = BLINKINGON_STATE;
-			info("PCI slot #%s - powering on due to button "
-			     "press.\n", p_slot->name);
+			ctrl_info(ctrl,
+				  "PCI slot #%s - powering on due to button "
+				  "press.\n", p_slot->name);
 		}
 		/* blink green LED and turn off amber */
 		if (PWR_LED(ctrl))
@@ -425,8 +434,8 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * press the attention again before the 5 sec. limit
 		 * expires to cancel hot-add or hot-remove
 		 */
-		info("Button cancel on Slot(%s)\n", p_slot->name);
-		dbg("%s: button cancel\n", __func__);
+		ctrl_info(ctrl, "Button cancel on Slot(%s)\n", p_slot->name);
+		ctrl_dbg(ctrl, "%s: button cancel\n", __func__);
 		cancel_delayed_work(&p_slot->work);
 		if (p_slot->state == BLINKINGOFF_STATE) {
 			if (PWR_LED(ctrl))
@@ -437,8 +446,8 @@ static void handle_button_press_event(struct slot *p_slot)
 		}
 		if (ATTN_LED(ctrl))
 			p_slot->hpc_ops->set_attention_status(p_slot, 0);
-		info("PCI slot #%s - action canceled due to button press\n",
-		     p_slot->name);
+		ctrl_info(ctrl, "PCI slot #%s - action canceled "
+			  "due to button press\n", p_slot->name);
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWEROFF_STATE:
@@ -448,11 +457,11 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * this means that the previous attention button action
 		 * to hot-add or hot-remove is undergoing
 		 */
-		info("Button ignore on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Button ignore on Slot(%s)\n", p_slot->name);
 		update_slot_info(p_slot);
 		break;
 	default:
-		warn("Not a valid state\n");
+		ctrl_warn(ctrl, "Not a valid state\n");
 		break;
 	}
 }
@@ -467,7 +476,8 @@ static void handle_surprise_event(struct slot *p_slot)
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
 	if (!info) {
-		err("%s: Cannot allocate memory\n", __func__);
+		ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n",
+			 __func__);
 		return;
 	}
 	info->p_slot = p_slot;
@@ -505,7 +515,7 @@ static void interrupt_event_handler(struct work_struct *work)
 	case INT_PRESENCE_OFF:
 		if (!HP_SUPR_RM(ctrl))
 			break;
-		dbg("Surprise Removal\n");
+		ctrl_dbg(ctrl, "Surprise Removal\n");
 		update_slot_info(p_slot);
 		handle_surprise_event(p_slot);
 		break;
@@ -522,22 +532,23 @@ int pciehp_enable_slot(struct slot *p_slot)
 {
 	u8 getstatus = 0;
 	int rc;
+	struct controller *ctrl = p_slot->ctrl;
 
 	/* Check to see if (latch closed, card present, power off) */
 	mutex_lock(&p_slot->ctrl->crit_sect);
 
 	rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		info("%s: no adapter on slot(%s)\n", __func__,
-		     p_slot->name);
+		ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
+			  __func__, p_slot->name);
 		mutex_unlock(&p_slot->ctrl->crit_sect);
 		return -ENODEV;
 	}
 	if (MRL_SENS(p_slot->ctrl)) {
 		rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 		if (rc || getstatus) {
-			info("%s: latch open on slot(%s)\n", __func__,
-			     p_slot->name);
+			ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
+				  __func__, p_slot->name);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -546,8 +557,8 @@ int pciehp_enable_slot(struct slot *p_slot)
 	if (POWER_CTRL(p_slot->ctrl)) {
 		rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (rc || getstatus) {
-			info("%s: already enabled on slot(%s)\n", __func__,
-			     p_slot->name);
+			ctrl_info(ctrl, "%s: already enabled on slot(%s)\n",
+				  __func__, p_slot->name);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -EINVAL;
 		}
@@ -571,6 +582,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 {
 	u8 getstatus = 0;
 	int ret = 0;
+	struct controller *ctrl = p_slot->ctrl;
 
 	if (!p_slot->ctrl)
 		return 1;
@@ -581,8 +593,8 @@ int pciehp_disable_slot(struct slot *p_slot)
 	if (!HP_SUPR_RM(p_slot->ctrl)) {
 		ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 		if (ret || !getstatus) {
-			info("%s: no adapter on slot(%s)\n", __func__,
-			     p_slot->name);
+			ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
+				  __func__, p_slot->name);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -591,8 +603,8 @@ int pciehp_disable_slot(struct slot *p_slot)
 	if (MRL_SENS(p_slot->ctrl)) {
 		ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 		if (ret || getstatus) {
-			info("%s: latch open on slot(%s)\n", __func__,
-			     p_slot->name);
+			ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
+				  __func__, p_slot->name);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -601,8 +613,8 @@ int pciehp_disable_slot(struct slot *p_slot)
 	if (POWER_CTRL(p_slot->ctrl)) {
 		ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (ret || !getstatus) {
-			info("%s: already disabled slot(%s)\n", __func__,
-			     p_slot->name);
+			ctrl_info(ctrl, "%s: already disabled slot(%s)\n",
+				  __func__, p_slot->name);
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -EINVAL;
 		}
@@ -618,6 +630,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 int pciehp_sysfs_enable_slot(struct slot *p_slot)
 {
 	int retval = -ENODEV;
+	struct controller *ctrl = p_slot->ctrl;
 
 	mutex_lock(&p_slot->lock);
 	switch (p_slot->state) {
@@ -631,15 +644,15 @@ int pciehp_sysfs_enable_slot(struct slot *p_slot)
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWERON_STATE:
-		info("Slot %s is already in powering on state\n",
-		     p_slot->name);
+		ctrl_info(ctrl, "Slot %s is already in powering on state\n",
+			  p_slot->name);
 		break;
 	case BLINKINGOFF_STATE:
 	case POWEROFF_STATE:
-		info("Already enabled on slot %s\n", p_slot->name);
+		ctrl_info(ctrl, "Already enabled on slot %s\n", p_slot->name);
 		break;
 	default:
-		err("Not a valid state on slot %s\n", p_slot->name);
+		ctrl_err(ctrl, "Not a valid state on slot %s\n", p_slot->name);
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
@@ -650,6 +663,7 @@ int pciehp_sysfs_enable_slot(struct slot *p_slot)
 int pciehp_sysfs_disable_slot(struct slot *p_slot)
 {
 	int retval = -ENODEV;
+	struct controller *ctrl = p_slot->ctrl;
 
 	mutex_lock(&p_slot->lock);
 	switch (p_slot->state) {
@@ -663,15 +677,15 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot)
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWEROFF_STATE:
-		info("Slot %s is already in powering off state\n",
-		     p_slot->name);
+		ctrl_info(ctrl, "Slot %s is already in powering off state\n",
+			  p_slot->name);
 		break;
 	case BLINKINGON_STATE:
 	case POWERON_STATE:
-		info("Already disabled on slot %s\n", p_slot->name);
+		ctrl_info(ctrl, "Already disabled on slot %s\n", p_slot->name);
 		break;
 	default:
-		err("Not a valid state on slot %s\n", p_slot->name);
+		ctrl_err(ctrl, "Not a valid state on slot %s\n", p_slot->name);
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 5a5c08f12af..8e9530c4c36 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -235,7 +235,8 @@ static inline int pciehp_request_irq(struct controller *ctrl)
 	/* Installs the interrupt handler */
 	retval = request_irq(irq, pcie_isr, IRQF_SHARED, MY_NAME, ctrl);
 	if (retval)
-		err("Cannot get irq %d for the hotplug controller\n", irq);
+		ctrl_err(ctrl, "Cannot get irq %d for the hotplug controller\n",
+			 irq);
 	return retval;
 }
 
@@ -282,7 +283,7 @@ static void pcie_wait_cmd(struct controller *ctrl, int poll)
 	else
 		rc = wait_event_timeout(ctrl->queue, !ctrl->cmd_busy, timeout);
 	if (!rc)
-		dbg("Command not completed in 1000 msec\n");
+		ctrl_dbg(ctrl, "Command not completed in 1000 msec\n");
 }
 
 /**
@@ -301,7 +302,8 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
 
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		err("%s: Cannot read SLOTSTATUS register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+			 __func__);
 		goto out;
 	}
 
@@ -312,26 +314,28 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
 			 * proceed forward to issue the next command according
 			 * to spec. Just print out the error message.
 			 */
-			dbg("%s: CMD_COMPLETED not clear after 1 sec.\n",
-			    __func__);
+			ctrl_dbg(ctrl,
+				 "%s: CMD_COMPLETED not clear after 1 sec.\n",
+				 __func__);
 		} else if (!NO_CMD_CMPL(ctrl)) {
 			/*
 			 * This controller semms to notify of command completed
 			 * event even though it supports none of power
 			 * controller, attention led, power led and EMI.
 			 */
-			dbg("%s: Unexpected CMD_COMPLETED. Need to wait for "
-			    "command completed event.\n", __func__);
+			ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Need to "
+				 "wait for command completed event.\n",
+				 __func__);
 			ctrl->no_cmd_complete = 0;
 		} else {
-			dbg("%s: Unexpected CMD_COMPLETED. Maybe the "
-			    "controller is broken.\n", __func__);
+			ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Maybe "
+				 "the controller is broken.\n", __func__);
 		}
 	}
 
 	retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl);
 	if (retval) {
-		err("%s: Cannot read SLOTCTRL register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTCTRL register\n", __func__);
 		goto out;
 	}
 
@@ -341,7 +345,8 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
 	smp_mb();
 	retval = pciehp_writew(ctrl, SLOTCTRL, slot_ctrl);
 	if (retval)
-		err("%s: Cannot write to SLOTCTRL register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot write to SLOTCTRL register\n",
+			 __func__);
 
 	/*
 	 * Wait for command completion.
@@ -370,14 +375,15 @@ static int hpc_check_lnk_status(struct controller *ctrl)
 
 	retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
 	if (retval) {
-		err("%s: Cannot read LNKSTATUS register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
+			 __func__);
 		return retval;
 	}
 
-	dbg("%s: lnk_status = %x\n", __func__, lnk_status);
+	ctrl_dbg(ctrl, "%s: lnk_status = %x\n", __func__, lnk_status);
 	if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) ||
 		!(lnk_status & NEG_LINK_WD)) {
-		err("%s : Link Training Error occurs \n", __func__);
+		ctrl_err(ctrl, "%s : Link Training Error occurs \n", __func__);
 		retval = -1;
 		return retval;
 	}
@@ -394,12 +400,12 @@ static int hpc_get_attention_status(struct slot *slot, u8 *status)
 
 	retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl);
 	if (retval) {
-		err("%s: Cannot read SLOTCTRL register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTCTRL register\n", __func__);
 		return retval;
 	}
 
-	dbg("%s: SLOTCTRL %x, value read %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x, value read %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
 
 	atten_led_state = (slot_ctrl & ATTN_LED_CTRL) >> 6;
 
@@ -433,11 +439,11 @@ static int hpc_get_power_status(struct slot *slot, u8 *status)
 
 	retval = pciehp_readw(ctrl, SLOTCTRL, &slot_ctrl);
 	if (retval) {
-		err("%s: Cannot read SLOTCTRL register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTCTRL register\n", __func__);
 		return retval;
 	}
-	dbg("%s: SLOTCTRL %x value read %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x value read %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_ctrl);
 
 	pwr_state = (slot_ctrl & PWR_CTRL) >> 10;
 
@@ -464,7 +470,8 @@ static int hpc_get_latch_status(struct slot *slot, u8 *status)
 
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		err("%s: Cannot read SLOTSTATUS register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+			 __func__);
 		return retval;
 	}
 
@@ -482,7 +489,8 @@ static int hpc_get_adapter_status(struct slot *slot, u8 *status)
 
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		err("%s: Cannot read SLOTSTATUS register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+			 __func__);
 		return retval;
 	}
 	card_state = (u8)((slot_status & PRSN_STATE) >> 6);
@@ -500,7 +508,7 @@ static int hpc_query_power_fault(struct slot *slot)
 
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		err("%s: Cannot check for power fault\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot check for power fault\n", __func__);
 		return retval;
 	}
 	pwr_fault = (u8)((slot_status & PWR_FAULT_DETECTED) >> 1);
@@ -516,7 +524,7 @@ static int hpc_get_emi_status(struct slot *slot, u8 *status)
 
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		err("%s : Cannot check EMI status\n", __func__);
+		ctrl_err(ctrl, "%s : Cannot check EMI status\n", __func__);
 		return retval;
 	}
 	*status = (slot_status & EMI_STATE) >> EMI_STATUS_BIT;
@@ -560,8 +568,8 @@ static int hpc_set_attention_status(struct slot *slot, u8 value)
 			return -1;
 	}
 	rc = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
-	dbg("%s: SLOTCTRL %x write cmd %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
 
 	return rc;
 }
@@ -575,8 +583,8 @@ static void hpc_set_green_led_on(struct slot *slot)
 	slot_cmd = 0x0100;
 	cmd_mask = PWR_LED_CTRL;
 	pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
-	dbg("%s: SLOTCTRL %x write cmd %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
 }
 
 static void hpc_set_green_led_off(struct slot *slot)
@@ -588,8 +596,8 @@ static void hpc_set_green_led_off(struct slot *slot)
 	slot_cmd = 0x0300;
 	cmd_mask = PWR_LED_CTRL;
 	pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
-	dbg("%s: SLOTCTRL %x write cmd %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
 }
 
 static void hpc_set_green_led_blink(struct slot *slot)
@@ -601,8 +609,8 @@ static void hpc_set_green_led_blink(struct slot *slot)
 	slot_cmd = 0x0200;
 	cmd_mask = PWR_LED_CTRL;
 	pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
-	dbg("%s: SLOTCTRL %x write cmd %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
 }
 
 static int hpc_power_on_slot(struct slot * slot)
@@ -613,20 +621,22 @@ static int hpc_power_on_slot(struct slot * slot)
 	u16 slot_status;
 	int retval = 0;
 
-	dbg("%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
+	ctrl_dbg(ctrl, "%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
 
 	/* Clear sticky power-fault bit from previous power failures */
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		err("%s: Cannot read SLOTSTATUS register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS register\n",
+			 __func__);
 		return retval;
 	}
 	slot_status &= PWR_FAULT_DETECTED;
 	if (slot_status) {
 		retval = pciehp_writew(ctrl, SLOTSTATUS, slot_status);
 		if (retval) {
-			err("%s: Cannot write to SLOTSTATUS register\n",
-			    __func__);
+			ctrl_err(ctrl,
+				 "%s: Cannot write to SLOTSTATUS register\n",
+				 __func__);
 			return retval;
 		}
 	}
@@ -644,11 +654,12 @@ static int hpc_power_on_slot(struct slot * slot)
 	retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
 
 	if (retval) {
-		err("%s: Write %x command failed!\n", __func__, slot_cmd);
+		ctrl_err(ctrl, "%s: Write %x command failed!\n",
+			 __func__, slot_cmd);
 		return -1;
 	}
-	dbg("%s: SLOTCTRL %x write cmd %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
 
 	return retval;
 }
@@ -694,7 +705,7 @@ static int hpc_power_off_slot(struct slot * slot)
 	int retval = 0;
 	int changed;
 
-	dbg("%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
+	ctrl_dbg(ctrl, "%s: slot->hp_slot %x\n", __func__, slot->hp_slot);
 
 	/*
 	 * Set Bad DLLP Mask bit in Correctable Error Mask
@@ -722,12 +733,12 @@ static int hpc_power_off_slot(struct slot * slot)
 
 	retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
 	if (retval) {
-		err("%s: Write command failed!\n", __func__);
+		ctrl_err(ctrl, "%s: Write command failed!\n", __func__);
 		retval = -1;
 		goto out;
 	}
-	dbg("%s: SLOTCTRL %x write cmd %x\n",
-	    __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
+	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
+		 __func__, ctrl->cap_base + SLOTCTRL, slot_cmd);
  out:
 	if (changed)
 		pcie_unmask_bad_dllp(ctrl);
@@ -749,7 +760,8 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
 	intr_loc = 0;
 	do {
 		if (pciehp_readw(ctrl, SLOTSTATUS, &detected)) {
-			err("%s: Cannot read SLOTSTATUS\n", __func__);
+			ctrl_err(ctrl, "%s: Cannot read SLOTSTATUS\n",
+				 __func__);
 			return IRQ_NONE;
 		}
 
@@ -760,12 +772,13 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
 		if (!intr_loc)
 			return IRQ_NONE;
 		if (detected && pciehp_writew(ctrl, SLOTSTATUS, detected)) {
-			err("%s: Cannot write to SLOTSTATUS\n", __func__);
+			ctrl_err(ctrl, "%s: Cannot write to SLOTSTATUS\n",
+				 __func__);
 			return IRQ_NONE;
 		}
 	} while (detected);
 
-	dbg("%s: intr_loc %x\n", __FUNCTION__, intr_loc);
+	ctrl_dbg(ctrl, "%s: intr_loc %x\n", __func__, intr_loc);
 
 	/* Check Command Complete Interrupt Pending */
 	if (intr_loc & CMD_COMPLETED) {
@@ -807,7 +820,7 @@ static int hpc_get_max_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
 
 	retval = pciehp_readl(ctrl, LNKCAP, &lnk_cap);
 	if (retval) {
-		err("%s: Cannot read LNKCAP register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read LNKCAP register\n", __func__);
 		return retval;
 	}
 
@@ -821,7 +834,7 @@ static int hpc_get_max_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
 	}
 
 	*value = lnk_speed;
-	dbg("Max link speed = %d\n", lnk_speed);
+	ctrl_dbg(ctrl, "Max link speed = %d\n", lnk_speed);
 
 	return retval;
 }
@@ -836,7 +849,7 @@ static int hpc_get_max_lnk_width(struct slot *slot,
 
 	retval = pciehp_readl(ctrl, LNKCAP, &lnk_cap);
 	if (retval) {
-		err("%s: Cannot read LNKCAP register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read LNKCAP register\n", __func__);
 		return retval;
 	}
 
@@ -871,7 +884,7 @@ static int hpc_get_max_lnk_width(struct slot *slot,
 	}
 
 	*value = lnk_wdth;
-	dbg("Max link width = %d\n", lnk_wdth);
+	ctrl_dbg(ctrl, "Max link width = %d\n", lnk_wdth);
 
 	return retval;
 }
@@ -885,7 +898,8 @@ static int hpc_get_cur_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
 
 	retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
 	if (retval) {
-		err("%s: Cannot read LNKSTATUS register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
+			 __func__);
 		return retval;
 	}
 
@@ -899,7 +913,7 @@ static int hpc_get_cur_lnk_speed(struct slot *slot, enum pci_bus_speed *value)
 	}
 
 	*value = lnk_speed;
-	dbg("Current link speed = %d\n", lnk_speed);
+	ctrl_dbg(ctrl, "Current link speed = %d\n", lnk_speed);
 
 	return retval;
 }
@@ -914,7 +928,8 @@ static int hpc_get_cur_lnk_width(struct slot *slot,
 
 	retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
 	if (retval) {
-		err("%s: Cannot read LNKSTATUS register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
+			 __func__);
 		return retval;
 	}
 
@@ -949,7 +964,7 @@ static int hpc_get_cur_lnk_width(struct slot *slot,
 	}
 
 	*value = lnk_wdth;
-	dbg("Current link width = %d\n", lnk_wdth);
+	ctrl_dbg(ctrl, "Current link width = %d\n", lnk_wdth);
 
 	return retval;
 }
@@ -998,7 +1013,8 @@ int pcie_enable_notification(struct controller *ctrl)
 	       PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
 
 	if (pcie_write_cmd(ctrl, cmd, mask)) {
-		err("%s: Cannot enable software notification\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot enable software notification\n",
+			 __func__);
 		return -1;
 	}
 	return 0;
@@ -1010,7 +1026,8 @@ static void pcie_disable_notification(struct controller *ctrl)
 	mask = PRSN_DETECT_ENABLE | ATTN_BUTTN_ENABLE | MRL_DETECT_ENABLE |
 	       PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
 	if (pcie_write_cmd(ctrl, 0, mask))
-		warn("%s: Cannot disable software notification\n", __func__);
+		ctrl_warn(ctrl, "%s: Cannot disable software notification\n",
+			  __func__);
 }
 
 static int pcie_init_notification(struct controller *ctrl)
@@ -1071,34 +1088,45 @@ static inline void dbg_ctrl(struct controller *ctrl)
 	if (!pciehp_debug)
 		return;
 
-	dbg("Hotplug Controller:\n");
-	dbg("  Seg/Bus/Dev/Func/IRQ : %s IRQ %d\n", pci_name(pdev), pdev->irq);
-	dbg("  Vendor ID            : 0x%04x\n", pdev->vendor);
-	dbg("  Device ID            : 0x%04x\n", pdev->device);
-	dbg("  Subsystem ID         : 0x%04x\n", pdev->subsystem_device);
-	dbg("  Subsystem Vendor ID  : 0x%04x\n", pdev->subsystem_vendor);
-	dbg("  PCIe Cap offset      : 0x%02x\n", ctrl->cap_base);
+	ctrl_info(ctrl, "Hotplug Controller:\n");
+	ctrl_info(ctrl, "  Seg/Bus/Dev/Func/IRQ : %s IRQ %d\n",
+		  pci_name(pdev), pdev->irq);
+	ctrl_info(ctrl, "  Vendor ID            : 0x%04x\n", pdev->vendor);
+	ctrl_info(ctrl, "  Device ID            : 0x%04x\n", pdev->device);
+	ctrl_info(ctrl, "  Subsystem ID         : 0x%04x\n",
+		  pdev->subsystem_device);
+	ctrl_info(ctrl, "  Subsystem Vendor ID  : 0x%04x\n",
+		  pdev->subsystem_vendor);
+	ctrl_info(ctrl, "  PCIe Cap offset      : 0x%02x\n", ctrl->cap_base);
 	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
 		if (!pci_resource_len(pdev, i))
 			continue;
-		dbg("  PCI resource [%d]     : 0x%llx@0x%llx\n", i,
-		    (unsigned long long)pci_resource_len(pdev, i),
-		    (unsigned long long)pci_resource_start(pdev, i));
+		ctrl_info(ctrl, "  PCI resource [%d]     : 0x%llx@0x%llx\n",
+			  i, (unsigned long long)pci_resource_len(pdev, i),
+			  (unsigned long long)pci_resource_start(pdev, i));
 	}
-	dbg("Slot Capabilities      : 0x%08x\n", ctrl->slot_cap);
-	dbg("  Physical Slot Number : %d\n", ctrl->first_slot);
-	dbg("  Attention Button     : %3s\n", ATTN_BUTTN(ctrl) ? "yes" : "no");
-	dbg("  Power Controller     : %3s\n", POWER_CTRL(ctrl) ? "yes" : "no");
-	dbg("  MRL Sensor           : %3s\n", MRL_SENS(ctrl)   ? "yes" : "no");
-	dbg("  Attention Indicator  : %3s\n", ATTN_LED(ctrl)   ? "yes" : "no");
-	dbg("  Power Indicator      : %3s\n", PWR_LED(ctrl)    ? "yes" : "no");
-	dbg("  Hot-Plug Surprise    : %3s\n", HP_SUPR_RM(ctrl) ? "yes" : "no");
-	dbg("  EMI Present          : %3s\n", EMI(ctrl)        ? "yes" : "no");
-	dbg("  Command Completed    : %3s\n", NO_CMD_CMPL(ctrl)? "no" : "yes");
+	ctrl_info(ctrl, "Slot Capabilities      : 0x%08x\n", ctrl->slot_cap);
+	ctrl_info(ctrl, "  Physical Slot Number : %d\n", ctrl->first_slot);
+	ctrl_info(ctrl, "  Attention Button     : %3s\n",
+		  ATTN_BUTTN(ctrl) ? "yes" : "no");
+	ctrl_info(ctrl, "  Power Controller     : %3s\n",
+		  POWER_CTRL(ctrl) ? "yes" : "no");
+	ctrl_info(ctrl, "  MRL Sensor           : %3s\n",
+		  MRL_SENS(ctrl)   ? "yes" : "no");
+	ctrl_info(ctrl, "  Attention Indicator  : %3s\n",
+		  ATTN_LED(ctrl)   ? "yes" : "no");
+	ctrl_info(ctrl, "  Power Indicator      : %3s\n",
+		  PWR_LED(ctrl)    ? "yes" : "no");
+	ctrl_info(ctrl, "  Hot-Plug Surprise    : %3s\n",
+		  HP_SUPR_RM(ctrl) ? "yes" : "no");
+	ctrl_info(ctrl, "  EMI Present          : %3s\n",
+		  EMI(ctrl)        ? "yes" : "no");
+	ctrl_info(ctrl, "  Command Completed    : %3s\n",
+		  NO_CMD_CMPL(ctrl) ? "no" : "yes");
 	pciehp_readw(ctrl, SLOTSTATUS, &reg16);
-	dbg("Slot Status            : 0x%04x\n", reg16);
+	ctrl_info(ctrl, "Slot Status            : 0x%04x\n", reg16);
 	pciehp_readw(ctrl, SLOTCTRL, &reg16);
-	dbg("Slot Control           : 0x%04x\n", reg16);
+	ctrl_info(ctrl, "Slot Control           : 0x%04x\n", reg16);
 }
 
 struct controller *pcie_init(struct pcie_device *dev)
@@ -1109,7 +1137,7 @@ struct controller *pcie_init(struct pcie_device *dev)
 
 	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
 	if (!ctrl) {
-		err("%s : out of memory\n", __func__);
+		dev_err(&dev->device, "%s : out of memory\n", __func__);
 		goto abort;
 	}
 	INIT_LIST_HEAD(&ctrl->slot_list);
@@ -1118,11 +1146,12 @@ struct controller *pcie_init(struct pcie_device *dev)
 	ctrl->pci_dev = pdev;
 	ctrl->cap_base = pci_find_capability(pdev, PCI_CAP_ID_EXP);
 	if (!ctrl->cap_base) {
-		err("%s: Cannot find PCI Express capability\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot find PCI Express capability\n",
+			 __func__);
 		goto abort;
 	}
 	if (pciehp_readl(ctrl, SLOTCAP, &slot_cap)) {
-		err("%s: Cannot read SLOTCAP register\n", __func__);
+		ctrl_err(ctrl, "%s: Cannot read SLOTCAP register\n", __func__);
 		goto abort;
 	}
 
@@ -1162,9 +1191,9 @@ struct controller *pcie_init(struct pcie_device *dev)
 			goto abort_ctrl;
 	}
 
-	info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
-	     pdev->vendor, pdev->device,
-	     pdev->subsystem_vendor, pdev->subsystem_device);
+	ctrl_info(ctrl, "HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
+		  pdev->vendor, pdev->device, pdev->subsystem_vendor,
+		  pdev->subsystem_device);
 
 	if (pcie_init_slot(ctrl))
 		goto abort_ctrl;
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index 6040dcceb25..ffd11148fbe 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -198,18 +198,20 @@ int pciehp_configure_device(struct slot *p_slot)
 	struct pci_dev *dev;
 	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
 	int num, fn;
+	struct controller *ctrl = p_slot->ctrl;
 
 	dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
 	if (dev) {
-		err("Device %s already exists at %x:%x, cannot hot-add\n",
-				pci_name(dev), p_slot->bus, p_slot->device);
+		ctrl_err(ctrl,
+			 "Device %s already exists at %x:%x, cannot hot-add\n",
+			 pci_name(dev), p_slot->bus, p_slot->device);
 		pci_dev_put(dev);
 		return -EINVAL;
 	}
 
 	num = pci_scan_slot(parent, PCI_DEVFN(p_slot->device, 0));
 	if (num == 0) {
-		err("No new device found\n");
+		ctrl_err(ctrl, "No new device found\n");
 		return -ENODEV;
 	}
 
@@ -218,8 +220,8 @@ int pciehp_configure_device(struct slot *p_slot)
 		if (!dev)
 			continue;
 		if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
-			err("Cannot hot-add display device %s\n",
-					pci_name(dev));
+			ctrl_err(ctrl, "Cannot hot-add display device %s\n",
+				 pci_name(dev));
 			pci_dev_put(dev);
 			continue;
 		}
@@ -244,9 +246,10 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 	u8 presence = 0;
 	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
 	u16 command;
+	struct controller *ctrl = p_slot->ctrl;
 
-	dbg("%s: bus/dev = %x/%x\n", __func__, p_slot->bus,
-				p_slot->device);
+	ctrl_dbg(ctrl, "%s: bus/dev = %x/%x\n", __func__,
+		 p_slot->bus, p_slot->device);
 	ret = p_slot->hpc_ops->get_adapter_status(p_slot, &presence);
 	if (ret)
 		presence = 0;
@@ -257,16 +260,17 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 		if (!temp)
 			continue;
 		if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
-			err("Cannot remove display device %s\n",
-					pci_name(temp));
+			ctrl_err(ctrl, "Cannot remove display device %s\n",
+				 pci_name(temp));
 			pci_dev_put(temp);
 			continue;
 		}
 		if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE && presence) {
 			pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl);
 			if (bctl & PCI_BRIDGE_CTL_VGA) {
-				err("Cannot remove display device %s\n",
-				    pci_name(temp));
+				ctrl_err(ctrl,
+					 "Cannot remove display device %s\n",
+					 pci_name(temp));
 				pci_dev_put(temp);
 				continue;
 			}
-- 
GitLab


From 5993760f7fc75b77e4701f1e56dc84c0d6cf18d5 Mon Sep 17 00:00:00 2001
From: Jike Song <albcamus@gmail.com>
Date: Tue, 9 Sep 2008 23:42:03 +0800
Subject: [PATCH 1511/2224] PCI: utilize calculated results when detecting MSI
 features

In msi_capability_init, we can make use of the calculated results
instead of calling is_mask_bit_support and is_64bit_address twice.

Signed-off-by: Jike Song <albcamus@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/msi.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 4a10b5624f7..d2812013fd2 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -378,23 +378,21 @@ static int msi_capability_init(struct pci_dev *dev)
 	entry->msi_attrib.masked = 1;
 	entry->msi_attrib.default_irq = dev->irq;	/* Save IOAPIC IRQ */
 	entry->msi_attrib.pos = pos;
-	if (is_mask_bit_support(control)) {
+	if (entry->msi_attrib.maskbit) {
 		entry->mask_base = (void __iomem *)(long)msi_mask_bits_reg(pos,
-				is_64bit_address(control));
+				entry->msi_attrib.is_64);
 	}
 	entry->dev = dev;
 	if (entry->msi_attrib.maskbit) {
 		unsigned int maskbits, temp;
 		/* All MSIs are unmasked by default, Mask them all */
 		pci_read_config_dword(dev,
-			msi_mask_bits_reg(pos, is_64bit_address(control)),
+			msi_mask_bits_reg(pos, entry->msi_attrib.is_64),
 			&maskbits);
 		temp = (1 << multi_msi_capable(control));
 		temp = ((temp - 1) & ~temp);
 		maskbits |= temp;
-		pci_write_config_dword(dev,
-			msi_mask_bits_reg(pos, is_64bit_address(control)),
-			maskbits);
+		pci_write_config_dword(dev, entry->msi_attrib.is_64, maskbits);
 		entry->msi_attrib.maskbits_mask = temp;
 	}
 	list_add_tail(&entry->list, &dev->msi_list);
-- 
GitLab


From 93ff68a55aa92180a765d6c51c3303f6200167a6 Mon Sep 17 00:00:00 2001
From: Mike Travis <travis@sgi.com>
Date: Sat, 6 Sep 2008 05:46:42 -0700
Subject: [PATCH 1512/2224] PCI: make CPU list affinity visible

Stephen Hemminger wrote:
> Looks like Mike created cpulistaffinty in sysfs but never completed
> the job.

This patch hooks things up correctly, taking care to remove the new file
when the bus is destroyed.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/bus.c    | 7 +++++++
 drivers/pci/pci.h    | 1 +
 drivers/pci/remove.c | 1 +
 3 files changed, 9 insertions(+)

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 529d9d7727b..999cc4088b5 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -151,6 +151,13 @@ void pci_bus_add_devices(struct pci_bus *bus)
 			if (retval)
 				dev_err(&dev->dev, "Error creating cpuaffinity"
 					" file, continuing...\n");
+
+			retval = device_create_file(&child_bus->dev,
+						&dev_attr_cpulistaffinity);
+			if (retval)
+				dev_err(&dev->dev,
+					"Error creating cpulistaffinity"
+					" file, continuing...\n");
 		}
 	}
 }
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index d807cd786f2..4723b12fb39 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -109,6 +109,7 @@ static inline int pci_no_d1d2(struct pci_dev *dev)
 extern int pcie_mch_quirk;
 extern struct device_attribute pci_dev_attrs[];
 extern struct device_attribute dev_attr_cpuaffinity;
+extern struct device_attribute dev_attr_cpulistaffinity;
 
 /**
  * pci_match_one_device - Tell if a PCI device structure has a matching
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index bdc2a44d68e..f94f6d5ae29 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -73,6 +73,7 @@ void pci_remove_bus(struct pci_bus *pci_bus)
 	up_write(&pci_bus_sem);
 	pci_remove_legacy_files(pci_bus);
 	device_remove_file(&pci_bus->dev, &dev_attr_cpuaffinity);
+	device_remove_file(&pci_bus->dev, &dev_attr_cpulistaffinity);
 	device_unregister(&pci_bus->dev);
 }
 EXPORT_SYMBOL(pci_remove_bus);
-- 
GitLab


From cef354db0d7a7207ea78c716753d9216a9c2b7e1 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Tue, 2 Sep 2008 09:40:51 -0600
Subject: [PATCH 1513/2224] PCI: connect struct pci_dev to struct pci_slot

The introduction of struct pci_slot (f46753c5e354b857b20ab8e0fe7b25)
added a struct pci_slot pointer to struct pci_dev, but we forgot to
associate the two.

Connect the two structs together; the interesting portions of the object
lifetimes are:

	- when a new pci_slot is created, connect it to the appropriate
	  pci_dev's. A single pci_slot may be associated with multiple
	  pci_dev's, e.g. any multi-function PCI device.

	- when a pci_slot is released, look for all the pci_dev's it was
	  associated with, and set their pci_slot pointers to NULL

	- when a pci_dev is created, look for slots to associate with.

Note -- when a pci_dev is released, we don't need to do any bookkeeping,
since pci_slot's do not have pointers to pci_dev's.

Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/probe.c |  5 +++++
 drivers/pci/slot.c  | 10 ++++++++++
 2 files changed, 15 insertions(+)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 578d15f49e0..7aa71636dd3 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -949,6 +949,7 @@ EXPORT_SYMBOL(alloc_pci_dev);
 static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
 {
 	struct pci_dev *dev;
+	struct pci_slot *slot;
 	u32 l;
 	u8 hdr_type;
 	int delay = 1;
@@ -997,6 +998,10 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
 	dev->error_state = pci_channel_io_normal;
 	set_pcie_port_type(dev);
 
+	list_for_each_entry(slot, &bus->slots, list)
+		if (PCI_SLOT(devfn) == slot->number)
+			dev->slot = slot;
+
 	/* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer)
 	   set this higher, assuming the system even supports it.  */
 	dev->dma_mask = 0xffffffff;
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 7e5b85cbd94..0c6db03698e 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -49,11 +49,16 @@ static ssize_t address_read_file(struct pci_slot *slot, char *buf)
 
 static void pci_slot_release(struct kobject *kobj)
 {
+	struct pci_dev *dev;
 	struct pci_slot *slot = to_pci_slot(kobj);
 
 	pr_debug("%s: releasing pci_slot on %x:%d\n", __func__,
 		 slot->bus->number, slot->number);
 
+	list_for_each_entry(dev, &slot->bus->devices, bus_list)
+		if (PCI_SLOT(dev->devfn) == slot->number)
+			dev->slot = NULL;
+
 	list_del(&slot->list);
 
 	kfree(slot);
@@ -108,6 +113,7 @@ static struct kobj_type pci_slot_ktype = {
 struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
 				 const char *name)
 {
+	struct pci_dev *dev;
 	struct pci_slot *slot;
 	int err;
 
@@ -150,6 +156,10 @@ placeholder:
 	INIT_LIST_HEAD(&slot->list);
 	list_add(&slot->list, &parent->slots);
 
+	list_for_each_entry(dev, &parent->devices, bus_list)
+		if (PCI_SLOT(dev->devfn) == slot_nr)
+			dev->slot = slot;
+
 	/* Don't care if debug printk has a -1 for slot_nr */
 	pr_debug("%s: created pci_slot on %04x:%02x:%02x\n",
 		 __func__, pci_domain_nr(parent), parent->number, slot_nr);
-- 
GitLab


From ec84f1268fcf16c4a852fdb38b3a541748644918 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue, 23 Sep 2008 11:43:34 -0700
Subject: [PATCH 1514/2224] PCI: fix -Wakpm warnings in pci_pm_init debug
 output

Checkpatch would have complained about this but neither Bjorn nor myself
ran it prior to pushing.  Fixup the issues Andrew pointed out.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e1a17b85447..09dc893c81d 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1270,8 +1270,8 @@ void pci_pm_init(struct pci_dev *dev)
 
 		if (dev->d1_support || dev->d2_support)
 			dev_printk(KERN_DEBUG, &dev->dev, "supports%s%s\n",
-				   dev->d1_support ? " D1": "",
-				   dev->d2_support ? " D2": "");
+				   dev->d1_support ? " D1" : "",
+				   dev->d2_support ? " D2" : "");
 	}
 
 	pmc &= PCI_PM_CAP_PME_MASK;
-- 
GitLab


From 50cbfa511a21cac1909b6b4c955fa39d1da81457 Mon Sep 17 00:00:00 2001
From: Roland Dreier <roland@digitalvampire.org>
Date: Mon, 22 Sep 2008 14:55:24 -0700
Subject: [PATCH 1515/2224] PCI: fix MSI-HOWTO.txt info about MSI-X MMIO space

The current MSI-HOWTO.txt says that device drivers should not request the
memory space that contains MSI-X tables.  This is because the original
MSI-X implementation did a request_mem_region() on this space, but that
code was removed long ago (in the pre-git era, in fact).  Years after the
code was changed, we might as well clean up the documention to avoid a
confusing mention of requesting regions: drivers using MSI-X can just use
pci_request_regions() just like any other driver, and so there's no need
for MSI-HOWTO.txt to talk about this at all.

Signed-off-by: Roland Dreier <roland@digitalvampire.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/MSI-HOWTO.txt | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/Documentation/MSI-HOWTO.txt b/Documentation/MSI-HOWTO.txt
index a51f693c154..256defd7e17 100644
--- a/Documentation/MSI-HOWTO.txt
+++ b/Documentation/MSI-HOWTO.txt
@@ -236,10 +236,8 @@ software system can set different pages for controlling accesses to the
 MSI-X structure. The implementation of MSI support requires the PCI
 subsystem, not a device driver, to maintain full control of the MSI-X
 table/MSI-X PBA (Pending Bit Array) and MMIO address space of the MSI-X
-table/MSI-X PBA.  A device driver is prohibited from requesting the MMIO
-address space of the MSI-X table/MSI-X PBA. Otherwise, the PCI subsystem
-will fail enabling MSI-X on its hardware device when it calls the function
-pci_enable_msix().
+table/MSI-X PBA.  A device driver should not access the MMIO address
+space of the MSI-X table/MSI-X PBA.
 
 5.3.2 API pci_enable_msix
 
-- 
GitLab


From 11d587429e9cbb40ac20d7ed8126c66da0d7aba5 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Fri, 5 Sep 2008 21:45:36 -0700
Subject: [PATCH 1516/2224] PCI: fix sparse warning in pci_remove_behind_bridge

Get rid of the second definition of dev which hides the earlier one in
the argument list and causes a warning from sparse.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/remove.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
index f94f6d5ae29..042e0892442 100644
--- a/drivers/pci/remove.c
+++ b/drivers/pci/remove.c
@@ -115,13 +115,9 @@ void pci_remove_behind_bridge(struct pci_dev *dev)
 {
 	struct list_head *l, *n;
 
-	if (dev->subordinate) {
-		list_for_each_safe(l, n, &dev->subordinate->devices) {
-			struct pci_dev *dev = pci_dev_b(l);
-
-			pci_remove_bus_device(dev);
-		}
-	}
+	if (dev->subordinate)
+		list_for_each_safe(l, n, &dev->subordinate->devices)
+			pci_remove_bus_device(pci_dev_b(l));
 }
 
 static void pci_stop_bus_devices(struct pci_bus *bus)
-- 
GitLab


From c8761fe80ed052634153438405c9048611ae7ae1 Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Mon, 22 Sep 2008 14:26:05 +0800
Subject: [PATCH 1517/2224] PCI: fix hotplug get_##name return value problem

Currently, get_##name in pci_hotplug_core.c will return 0 if module
unload wins the race between unload & reading the hotplug file.  Fix
that case to return -ENODEV like it should.

Reviewed-by: Alex Chiang <achiang@hp.com>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pci_hotplug_core.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 5f85b1b120e..27d2b6fe5d5 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -102,13 +102,13 @@ static int get_##name (struct hotplug_slot *slot, type *value)		\
 {									\
 	struct hotplug_slot_ops *ops = slot->ops;			\
 	int retval = 0;							\
-	if (try_module_get(ops->owner)) {				\
-		if (ops->get_##name)					\
-			retval = ops->get_##name(slot, value);		\
-		else							\
-			*value = slot->info->name;			\
-		module_put(ops->owner);					\
-	}								\
+	if (try_module_get(ops->owner))					\
+		return -ENODEV;						\
+	if (ops->get_##name)						\
+		retval = ops->get_##name(slot, value);			\
+	else								\
+		*value = slot->info->name;				\
+	module_put(ops->owner);						\
 	return retval;							\
 }
 
-- 
GitLab


From c9bbb4abb658daf6cc6f92fb4751a7796a5aab75 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Wed, 24 Sep 2008 19:04:33 -0700
Subject: [PATCH 1518/2224] PCI: use %pF instead of
 print_fn_descriptor_symbol() in quirks.c

Use %pF instead of print_fn_descriptor_symbol() in quirks.c to get the name of
the hook we're calling.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/quirks.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 246918fe948..9575fc8f87b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1935,8 +1935,7 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_f
 		if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
  		    (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
 #ifdef DEBUG
-			dev_dbg(&dev->dev, "calling ");
-			print_fn_descriptor_symbol("%s\n", f->hook);
+			dev_dbg(&dev->dev, "calling %pF\n", f->hook);
 #endif
 			f->hook(dev);
 		}
-- 
GitLab


From 5d9bc1fa47f0c1561f1d7c0bdff5e24860852b42 Mon Sep 17 00:00:00 2001
From: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Date: Mon, 13 Oct 2008 09:59:12 -0700
Subject: [PATCH 1519/2224] PCI hotplug: rpaphp: make debug var unique

Change debug variable name to one more unique to this driver.

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/rpaphp.h      | 4 ++--
 drivers/pci/hotplug/rpaphp_core.c | 4 ++--
 drivers/pci/hotplug/rpaphp_pci.c  | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/hotplug/rpaphp.h b/drivers/pci/hotplug/rpaphp.h
index 7d5921b1ee7..419919a87b0 100644
--- a/drivers/pci/hotplug/rpaphp.h
+++ b/drivers/pci/hotplug/rpaphp.h
@@ -46,10 +46,10 @@
 #define PRESENT         1	/* Card in slot */
 
 #define MY_NAME "rpaphp"
-extern int debug;
+extern int rpaphp_debug;
 #define dbg(format, arg...)					\
 	do {							\
-		if (debug)					\
+		if (rpaphp_debug)					\
 			printk(KERN_DEBUG "%s: " format,	\
 				MY_NAME , ## arg); 		\
 	} while (0)
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index 1f84f402acd..95d02a08fdc 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -37,7 +37,7 @@
 				/* and pci_do_scan_bus */
 #include "rpaphp.h"
 
-int debug;
+int rpaphp_debug;
 LIST_HEAD(rpaphp_slot_head);
 
 #define DRIVER_VERSION	"0.1"
@@ -50,7 +50,7 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 
-module_param(debug, bool, 0644);
+module_param_named(debug, rpaphp_debug, bool, 0644);
 
 /**
  * set_attention_status - set attention LED
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index 5acfd4f3d4c..513e1e28239 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -123,7 +123,7 @@ int rpaphp_enable_slot(struct slot *slot)
 			slot->state = CONFIGURED;
 		}
 
-		if (debug) {
+		if (rpaphp_debug) {
 			struct pci_dev *dev;
 			dbg("%s: pci_devs of slot[%s]\n", __func__, slot->dn->full_name);
 			list_for_each_entry (dev, &bus->devices, bus_list)
-- 
GitLab


From c322b28a04c084a467a862766f74c40c917a721c Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Mon, 13 Oct 2008 19:36:05 +0800
Subject: [PATCH 1520/2224] PCI: use same arg names in PCI_VDEVICE comment

This cleanup makes the argument names in PCI_VDEVICE comment consistent
with those used in its definition.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 include/linux/pci.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 8a4d0bebc31..008005674b6 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -455,8 +455,8 @@ struct pci_driver {
 
 /**
  * PCI_VDEVICE - macro used to describe a specific pci device in short form
- * @vend: the vendor name
- * @dev: the 16 bit PCI Device ID
+ * @vendor: the vendor name
+ * @device: the 16 bit PCI Device ID
  *
  * This macro is used to create a struct pci_device_id that matches a
  * specific PCI device.  The subvendor, and subdevice fields will be set
-- 
GitLab


From 022edd86d7c864bc8fadc3c8ac4e6a464472ab05 Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Mon, 13 Oct 2008 19:24:28 +0800
Subject: [PATCH 1521/2224] PCI: use resource_size() everywhere.

This is a cleanup that replaces the resource calculation formula with
resource_size().

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/setup-bus.c | 4 ++--
 drivers/pci/setup-res.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 471a429d7a2..ea979f2bc6d 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -299,7 +299,7 @@ static void pbus_size_io(struct pci_bus *bus)
 
 			if (r->parent || !(r->flags & IORESOURCE_IO))
 				continue;
-			r_size = r->end - r->start + 1;
+			r_size = resource_size(r);
 
 			if (r_size < 0x400)
 				/* Might be re-aligned for ISA */
@@ -350,7 +350,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, unsigned long
 
 			if (r->parent || (r->flags & mask) != type)
 				continue;
-			r_size = r->end - r->start + 1;
+			r_size = resource_size(r);
 			/* For bridges size != alignment */
 			align = resource_alignment(r);
 			order = __ffs(align) - 20;
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index d4b5c690eaa..2dbd96cce2d 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -129,7 +129,7 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
 	resource_size_t size, min, align;
 	int ret;
 
-	size = res->end - res->start + 1;
+	size = resource_size(res);
 	min = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : PCIBIOS_MIN_MEM;
 
 	align = resource_alignment(res);
-- 
GitLab


From 557848c3c03ad1d1e66cb3b5b06698e3a9ebc33c Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Mon, 13 Oct 2008 19:18:07 +0800
Subject: [PATCH 1522/2224] PCI: replace cfg space size (256/4096) by macros.

This is a cleanup that changes all PCI configuration space size
representations to the macros (PCI_CFG_SPACE_SIZE and
PCI_CFG_SPACE_EXP_SIZE). And the macros are also moved from
drivers/pci/probe.c to drivers/pci/pci.h.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci-sysfs.c | 10 +++++-----
 drivers/pci/pci.c       | 11 +++++++----
 drivers/pci/pci.h       |  7 +++++++
 drivers/pci/probe.c     |  5 ++---
 4 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 77baff022f7..00a9947cb7c 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -715,7 +715,7 @@ static struct bin_attribute pci_config_attr = {
 		.name = "config",
 		.mode = S_IRUGO | S_IWUSR,
 	},
-	.size = 256,
+	.size = PCI_CFG_SPACE_SIZE,
 	.read = pci_read_config,
 	.write = pci_write_config,
 };
@@ -725,7 +725,7 @@ static struct bin_attribute pcie_config_attr = {
 		.name = "config",
 		.mode = S_IRUGO | S_IWUSR,
 	},
-	.size = 4096,
+	.size = PCI_CFG_SPACE_EXP_SIZE,
 	.read = pci_read_config,
 	.write = pci_write_config,
 };
@@ -743,7 +743,7 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
 	if (!sysfs_initialized)
 		return -EACCES;
 
-	if (pdev->cfg_size < 4096)
+	if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
 		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pci_config_attr);
 	else
 		retval = sysfs_create_bin_file(&pdev->dev.kobj, &pcie_config_attr);
@@ -814,7 +814,7 @@ err_vpd:
 		kfree(pdev->vpd->attr);
 	}
 err_config_file:
-	if (pdev->cfg_size < 4096)
+	if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
 		sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
 	else
 		sysfs_remove_bin_file(&pdev->dev.kobj, &pcie_config_attr);
@@ -839,7 +839,7 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
 		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr);
 		kfree(pdev->vpd->attr);
 	}
-	if (pdev->cfg_size < 4096)
+	if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
 		sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
 	else
 		sysfs_remove_bin_file(&pdev->dev.kobj, &pcie_config_attr);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 09dc893c81d..553ca665795 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -213,10 +213,13 @@ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap)
 int pci_find_ext_capability(struct pci_dev *dev, int cap)
 {
 	u32 header;
-	int ttl = 480; /* 3840 bytes, minimum 8 bytes per capability */
-	int pos = 0x100;
+	int ttl;
+	int pos = PCI_CFG_SPACE_SIZE;
 
-	if (dev->cfg_size <= 256)
+	/* minimum 8 bytes per capability */
+	ttl = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8;
+
+	if (dev->cfg_size <= PCI_CFG_SPACE_SIZE)
 		return 0;
 
 	if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL)
@@ -234,7 +237,7 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap)
 			return pos;
 
 		pos = PCI_EXT_CAP_NEXT(header);
-		if (pos < 0x100)
+		if (pos < PCI_CFG_SPACE_SIZE)
 			break;
 
 		if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL)
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4723b12fb39..601abdc8dd9 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -1,3 +1,9 @@
+#ifndef DRIVERS_PCI_H
+#define DRIVERS_PCI_H
+
+#define PCI_CFG_SPACE_SIZE	256
+#define PCI_CFG_SPACE_EXP_SIZE	4096
+
 /* Functions internal to the PCI core code */
 
 extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
@@ -145,3 +151,4 @@ struct pci_slot_attribute {
 };
 #define to_pci_slot_attr(s) container_of(s, struct pci_slot_attribute, attr)
 
+#endif /* DRIVERS_PCI_H */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 7aa71636dd3..f6754e87f04 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -14,8 +14,6 @@
 
 #define CARDBUS_LATENCY_TIMER	176	/* secondary latency timer */
 #define CARDBUS_RESERVE_BUSNR	3
-#define PCI_CFG_SPACE_SIZE	256
-#define PCI_CFG_SPACE_EXP_SIZE	4096
 
 /* Ugh.  Need to stop exporting this to modules. */
 LIST_HEAD(pci_root_buses);
@@ -887,8 +885,9 @@ static void set_pcie_port_type(struct pci_dev *pdev)
 int pci_cfg_space_size_ext(struct pci_dev *dev)
 {
 	u32 status;
+	int pos = PCI_CFG_SPACE_SIZE;
 
-	if (pci_read_config_dword(dev, 256, &status) != PCIBIOS_SUCCESSFUL)
+	if (pci_read_config_dword(dev, pos, &status) != PCIBIOS_SUCCESSFUL)
 		goto fail;
 	if (status == 0xffffffff)
 		goto fail;
-- 
GitLab


From e354597cce8d219d135d65e585dc4f30323486b9 Mon Sep 17 00:00:00 2001
From: Peter Chubb <peterc@gelato.unsw.edu.au>
Date: Mon, 13 Oct 2008 11:49:04 +1100
Subject: [PATCH 1523/2224] PCI: fix 64-vbit prefetchable memory resource BARs

Since patch 6ac665c63dcac8fcec534a1d224ecbb8b867ad59 my infiniband
controller hasn't worked.  This is because it has 64-bit prefetchable
memory, which was mistakenly being  taken to be 32-bit memory.  The
resource flags in this case are PCI_BASE_ADDRESS_MEM_TYPE_64 |
PCI_BASE_ADDRESS_MEM_PREFETCH.

This patch checks only for the PCI_BASE_ADDRESS_MEM_TYPE_64 bit; thus
whether the region is prefetchable or not is ignored.  This fixes my
Infiniband.

Reviewed-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/probe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index f6754e87f04..49599ac49bd 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -217,7 +217,7 @@ static inline enum pci_bar_type decode_bar(struct resource *res, u32 bar)
 
 	res->flags = bar & ~PCI_BASE_ADDRESS_MEM_MASK;
 
-	if (res->flags == PCI_BASE_ADDRESS_MEM_TYPE_64)
+	if (res->flags & PCI_BASE_ADDRESS_MEM_TYPE_64)
 		return pci_bar_mem64;
 	return pci_bar_mem32;
 }
-- 
GitLab


From 280c73d3691fb182fa55b0160737c2c0feb79471 Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Mon, 13 Oct 2008 20:01:00 +0800
Subject: [PATCH 1524/2224] PCI: centralize the capabilities code in
 pci-sysfs.c

This patch centralizes functions used to add and remove sysfs entries
for various capabilities. With this cleanup, the code is more readable
and easier for adding new capability related functions.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci-sysfs.c | 138 ++++++++++++++++++++++++----------------
 1 file changed, 83 insertions(+), 55 deletions(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 00a9947cb7c..2cad6da2e4a 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -735,10 +735,41 @@ int __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev)
 	return 0;
 }
 
+static int pci_create_capabilities_sysfs(struct pci_dev *dev)
+{
+	int retval;
+	struct bin_attribute *attr;
+
+	/* If the device has VPD, try to expose it in sysfs. */
+	if (dev->vpd) {
+		attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
+		if (!attr)
+			return -ENOMEM;
+
+		attr->size = dev->vpd->len;
+		attr->attr.name = "vpd";
+		attr->attr.mode = S_IRUSR | S_IWUSR;
+		attr->read = pci_read_vpd;
+		attr->write = pci_write_vpd;
+		retval = sysfs_create_bin_file(&dev->dev.kobj, attr);
+		if (retval) {
+			kfree(dev->vpd->attr);
+			return retval;
+		}
+		dev->vpd->attr = attr;
+	}
+
+	/* Active State Power Management */
+	pcie_aspm_create_sysfs_dev_files(dev);
+
+	return 0;
+}
+
 int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
 {
-	struct bin_attribute *attr = NULL;
 	int retval;
+	int rom_size = 0;
+	struct bin_attribute *attr;
 
 	if (!sysfs_initialized)
 		return -EACCES;
@@ -750,69 +781,55 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
 	if (retval)
 		goto err;
 
-	/* If the device has VPD, try to expose it in sysfs. */
-	if (pdev->vpd) {
-		attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
-		if (attr) {
-			pdev->vpd->attr = attr;
-			attr->size = pdev->vpd->len;
-			attr->attr.name = "vpd";
-			attr->attr.mode = S_IRUSR | S_IWUSR;
-			attr->read = pci_read_vpd;
-			attr->write = pci_write_vpd;
-			retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
-			if (retval)
-				goto err_vpd;
-		} else {
-			retval = -ENOMEM;
-			goto err_config_file;
-		}
-	}
-
 	retval = pci_create_resource_files(pdev);
 	if (retval)
-		goto err_vpd_file;
+		goto err_config_file;
+
+	if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
+		rom_size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
+	else if (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)
+		rom_size = 0x20000;
 
 	/* If the device has a ROM, try to expose it in sysfs. */
-	if (pci_resource_len(pdev, PCI_ROM_RESOURCE) ||
-	    (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)) {
+	if (rom_size) {
 		attr = kzalloc(sizeof(*attr), GFP_ATOMIC);
-		if (attr) {
-			pdev->rom_attr = attr;
-			attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
-			attr->attr.name = "rom";
-			attr->attr.mode = S_IRUSR;
-			attr->read = pci_read_rom;
-			attr->write = pci_write_rom;
-			retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
-			if (retval)
-				goto err_rom;
-		} else {
+		if (!attr) {
 			retval = -ENOMEM;
 			goto err_resource_files;
 		}
+		attr->size = rom_size;
+		attr->attr.name = "rom";
+		attr->attr.mode = S_IRUSR;
+		attr->read = pci_read_rom;
+		attr->write = pci_write_rom;
+		retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
+		if (retval) {
+			kfree(attr);
+			goto err_resource_files;
+		}
+		pdev->rom_attr = attr;
 	}
+
 	/* add platform-specific attributes */
-	if (pcibios_add_platform_entries(pdev))
+	retval = pcibios_add_platform_entries(pdev);
+	if (retval)
 		goto err_rom_file;
 
-	pcie_aspm_create_sysfs_dev_files(pdev);
+	/* add sysfs entries for various capabilities */
+	retval = pci_create_capabilities_sysfs(pdev);
+	if (retval)
+		goto err_rom_file;
 
 	return 0;
 
 err_rom_file:
-	if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
+	if (rom_size) {
 		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
-err_rom:
-	kfree(pdev->rom_attr);
+		kfree(pdev->rom_attr);
+		pdev->rom_attr = NULL;
+	}
 err_resource_files:
 	pci_remove_resource_files(pdev);
-err_vpd_file:
-	if (pdev->vpd) {
-		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr);
-err_vpd:
-		kfree(pdev->vpd->attr);
-	}
 err_config_file:
 	if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
 		sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
@@ -822,6 +839,16 @@ err:
 	return retval;
 }
 
+static void pci_remove_capabilities_sysfs(struct pci_dev *dev)
+{
+	if (dev->vpd && dev->vpd->attr) {
+		sysfs_remove_bin_file(&dev->dev.kobj, dev->vpd->attr);
+		kfree(dev->vpd->attr);
+	}
+
+	pcie_aspm_remove_sysfs_dev_files(dev);
+}
+
 /**
  * pci_remove_sysfs_dev_files - cleanup PCI specific sysfs files
  * @pdev: device whose entries we should free
@@ -830,15 +857,13 @@ err:
  */
 void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
 {
+	int rom_size = 0;
+
 	if (!sysfs_initialized)
 		return;
 
-	pcie_aspm_remove_sysfs_dev_files(pdev);
+	pci_remove_capabilities_sysfs(pdev);
 
-	if (pdev->vpd) {
-		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->vpd->attr);
-		kfree(pdev->vpd->attr);
-	}
 	if (pdev->cfg_size < PCI_CFG_SPACE_EXP_SIZE)
 		sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr);
 	else
@@ -846,11 +871,14 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
 
 	pci_remove_resource_files(pdev);
 
-	if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) {
-		if (pdev->rom_attr) {
-			sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
-			kfree(pdev->rom_attr);
-		}
+	if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
+		rom_size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
+	else if (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)
+		rom_size = 0x20000;
+
+	if (rom_size && pdev->rom_attr) {
+		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
+		kfree(pdev->rom_attr);
 	}
 }
 
-- 
GitLab


From 201de56eb22f1ff3f36804bc70cbff220b50f067 Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Mon, 13 Oct 2008 19:49:55 +0800
Subject: [PATCH 1525/2224] PCI: centralize the capabilities code in probe.c

This patch centralizes the initialization and release functions of
various PCI capabilities in probe.c, which makes the introduction
of new capability support functions cleaner in the future.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/probe.c | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 49599ac49bd..8c158b9abd4 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -842,6 +842,11 @@ static int pci_setup_device(struct pci_dev * dev)
 	return 0;
 }
 
+static void pci_release_capabilities(struct pci_dev *dev)
+{
+	pci_vpd_release(dev);
+}
+
 /**
  * pci_release_dev - free a pci device structure when all users of it are finished.
  * @dev: device that's been disconnected
@@ -854,7 +859,7 @@ static void pci_release_dev(struct device *dev)
 	struct pci_dev *pci_dev;
 
 	pci_dev = to_pci_dev(dev);
-	pci_vpd_release(pci_dev);
+	pci_release_capabilities(pci_dev);
 	kfree(pci_dev);
 }
 
@@ -935,8 +940,6 @@ struct pci_dev *alloc_pci_dev(void)
 
 	INIT_LIST_HEAD(&dev->bus_list);
 
-	pci_msi_init_pci_dev(dev);
-
 	return dev;
 }
 EXPORT_SYMBOL(alloc_pci_dev);
@@ -1009,11 +1012,21 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
 		return NULL;
 	}
 
-	pci_vpd_pci22_init(dev);
-
 	return dev;
 }
 
+static void pci_init_capabilities(struct pci_dev *dev)
+{
+	/* MSI/MSI-X list */
+	pci_msi_init_pci_dev(dev);
+
+	/* Power Management */
+	pci_pm_init(dev);
+
+	/* Vital Product Data */
+	pci_vpd_pci22_init(dev);
+}
+
 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 {
 	device_initialize(&dev->dev);
@@ -1030,8 +1043,8 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 	/* Fix up broken headers */
 	pci_fixup_device(pci_fixup_header, dev);
 
-	/* Initialize power management of the device */
-	pci_pm_init(dev);
+	/* Initialize various capabilities */
+	pci_init_capabilities(dev);
 
 	/*
 	 * Add the device to our list of discovered devices
-- 
GitLab


From 58c3a727cb73b75a9104d295f096cca12959a5a5 Mon Sep 17 00:00:00 2001
From: Yu Zhao <yu.zhao@intel.com>
Date: Tue, 14 Oct 2008 14:02:53 +0800
Subject: [PATCH 1526/2224] PCI: support PCIe ARI capability

This patch adds support for PCI Express Alternative Routing-ID
Interpretation (ARI) capability.

The ARI capability extends the Function Number field of the PCI Express
Endpoint by reusing the Device Number which is otherwise hardwired to 0.
With ARI, an Endpoint can have up to 256 functions.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci.c        | 32 ++++++++++++++++++++++++++++++++
 drivers/pci/pci.h        | 12 ++++++++++++
 drivers/pci/probe.c      |  3 +++
 include/linux/pci.h      |  1 +
 include/linux/pci_regs.h | 14 ++++++++++++++
 5 files changed, 62 insertions(+)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 553ca665795..4db261e13e6 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1299,6 +1299,38 @@ void pci_pm_init(struct pci_dev *dev)
 	}
 }
 
+/**
+ * pci_enable_ari - enable ARI forwarding if hardware support it
+ * @dev: the PCI device
+ */
+void pci_enable_ari(struct pci_dev *dev)
+{
+	int pos;
+	u32 cap;
+	u16 ctrl;
+
+	if (!dev->is_pcie)
+		return;
+
+	if (dev->pcie_type != PCI_EXP_TYPE_ROOT_PORT &&
+	    dev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)
+		return;
+
+	pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+	if (!pos)
+		return;
+
+	pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP2, &cap);
+	if (!(cap & PCI_EXP_DEVCAP2_ARI))
+		return;
+
+	pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &ctrl);
+	ctrl |= PCI_EXP_DEVCTL2_ARI;
+	pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, ctrl);
+
+	dev->ari_enabled = 1;
+}
+
 int
 pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge)
 {
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 601abdc8dd9..39684c1415c 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -151,4 +151,16 @@ struct pci_slot_attribute {
 };
 #define to_pci_slot_attr(s) container_of(s, struct pci_slot_attribute, attr)
 
+extern void pci_enable_ari(struct pci_dev *dev);
+/**
+ * pci_ari_enabled - query ARI forwarding status
+ * @dev: the PCI device
+ *
+ * Returns 1 if ARI forwarding is enabled, or 0 if not enabled;
+ */
+static inline int pci_ari_enabled(struct pci_dev *dev)
+{
+	return dev->ari_enabled;
+}
+
 #endif /* DRIVERS_PCI_H */
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 8c158b9abd4..3141e8deeac 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1025,6 +1025,9 @@ static void pci_init_capabilities(struct pci_dev *dev)
 
 	/* Vital Product Data */
 	pci_vpd_pci22_init(dev);
+
+	/* Alternative Routing-ID Forwarding */
+	pci_enable_ari(dev);
 }
 
 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 008005674b6..7e9a1f0715e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -214,6 +214,7 @@ struct pci_dev {
 	unsigned int	broken_parity_status:1;	/* Device generates false positive parity */
 	unsigned int 	msi_enabled:1;
 	unsigned int	msix_enabled:1;
+	unsigned int	ari_enabled:1;	/* ARI forwarding */
 	unsigned int	is_managed:1;
 	unsigned int	is_pcie:1;
 	pci_dev_flags_t dev_flags;
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 450684f7eaa..eb6686b88f9 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -419,6 +419,10 @@
 #define  PCI_EXP_RTCTL_CRSSVE	0x10	/* CRS Software Visibility Enable */
 #define PCI_EXP_RTCAP		30	/* Root Capabilities */
 #define PCI_EXP_RTSTA		32	/* Root Status */
+#define PCI_EXP_DEVCAP2		36	/* Device Capabilities 2 */
+#define  PCI_EXP_DEVCAP2_ARI	0x20	/* Alternative Routing-ID */
+#define PCI_EXP_DEVCTL2		40	/* Device Control 2 */
+#define  PCI_EXP_DEVCTL2_ARI	0x20	/* Alternative Routing-ID */
 
 /* Extended Capabilities (PCI-X 2.0 and Express) */
 #define PCI_EXT_CAP_ID(header)		(header & 0x0000ffff)
@@ -429,6 +433,7 @@
 #define PCI_EXT_CAP_ID_VC	2
 #define PCI_EXT_CAP_ID_DSN	3
 #define PCI_EXT_CAP_ID_PWR	4
+#define PCI_EXT_CAP_ID_ARI	14
 
 /* Advanced Error Reporting */
 #define PCI_ERR_UNCOR_STATUS	4	/* Uncorrectable Error Status */
@@ -536,5 +541,14 @@
 #define HT_CAPTYPE_GEN3		0xD0	/* Generation 3 hypertransport configuration */
 #define HT_CAPTYPE_PM		0xE0	/* Hypertransport powermanagement configuration */
 
+/* Alternative Routing-ID Interpretation */
+#define PCI_ARI_CAP		0x04	/* ARI Capability Register */
+#define  PCI_ARI_CAP_MFVC	0x0001	/* MFVC Function Groups Capability */
+#define  PCI_ARI_CAP_ACS	0x0002	/* ACS Function Groups Capability */
+#define  PCI_ARI_CAP_NFN(x)	(((x) >> 8) & 0xff) /* Next Function Number */
+#define PCI_ARI_CTRL		0x06	/* ARI Control Register */
+#define  PCI_ARI_CTRL_MFVC	0x0001	/* MFVC Function Groups Enable */
+#define  PCI_ARI_CTRL_ACS	0x0002	/* ACS Function Groups Enable */
+#define  PCI_ARI_CTRL_FG(x)	(((x) >> 4) & 7) /* Function Group */
 
 #endif /* LINUX_PCI_REGS_H */
-- 
GitLab


From f393d9b130423a7a47c751b26df07ceaa5dc76a9 Mon Sep 17 00:00:00 2001
From: Vincent Legoll <vincent.legoll@gmail.com>
Date: Sun, 12 Oct 2008 12:26:12 +0200
Subject: [PATCH 1527/2224] PCI: probing debug message uniformization

This patch uniformizes PCI probing debug boot messages with dev_printk()
intead of manual printk()

It changes adress range output from [%llx, %llx] to [%#llx-%#llx], like
in pci_request_region().

For example, it goes from the mixed-style:

PCI: 0000:00:1b.0 reg 10 64bit mmio: [f4280000, f4283fff]
pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold

to uniform:

pci 0000:00:1b.0: reg 10 64bit mmio: [0xf4280000-0xf4283fff]
pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold

This patch has been runtime tested, boot log messages diffed, everything
looks OK.

Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Vincent Legoll <vincent.legoll@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aspm.c |  6 +++---
 drivers/pci/probe.c     | 25 ++++++++++++-------------
 2 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 851f5b83cdb..8f63f4c6b85 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -528,9 +528,9 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
 		pci_read_config_dword(child_dev, child_pos + PCI_EXP_DEVCAP,
 			&reg32);
 		if (!(reg32 & PCI_EXP_DEVCAP_RBER) && !aspm_force) {
-			printk("Pre-1.1 PCIe device detected, "
-				"disable ASPM for %s. It can be enabled forcedly"
-				" with 'pcie_aspm=force'\n", pci_name(pdev));
+			dev_printk(KERN_INFO, &child_dev->dev, "disabling ASPM"
+				" on pre-1.1 PCIe device.  You can enable it"
+				" with 'pcie_aspm=force'\n");
 			return -EINVAL;
 		}
 	}
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 3141e8deeac..afb9f1c0bc2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -302,8 +302,8 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 		} else {
 			res->start = l64;
 			res->end = l64 + sz64;
-			printk(KERN_DEBUG "PCI: %s reg %x 64bit mmio: %pR\n",
-				pci_name(dev), pos, res);
+			dev_printk(KERN_DEBUG, &dev->dev,
+				"reg %x 64bit mmio: %pR\n", pos, res);
 		}
 	} else {
 		sz = pci_size(l, sz, mask);
@@ -313,10 +313,10 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 
 		res->start = l;
 		res->end = l + sz;
-		printk(KERN_DEBUG "PCI: %s reg %x %s: %pR\n",
-		       pci_name(dev), pos,
-		       (res->flags & IORESOURCE_IO) ? "io port":"32bit mmio",
-		       res);
+
+		dev_printk(KERN_DEBUG, &dev->dev, "reg %x %s: %pR\n", pos,
+			(res->flags & IORESOURCE_IO) ? "io port" : "32bit mmio",
+			res);
 	}
 
  out:
@@ -387,8 +387,7 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 			res->start = base;
 		if (!res->end)
 			res->end = limit + 0xfff;
-		printk(KERN_DEBUG "PCI: bridge %s io port: %pR\n",
-		       pci_name(dev), res);
+		dev_printk(KERN_DEBUG, &dev->dev, "bridge io port: %pR\n", res);
 	}
 
 	res = child->resource[1];
@@ -400,8 +399,8 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 		res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM;
 		res->start = base;
 		res->end = limit + 0xfffff;
-		printk(KERN_DEBUG "PCI: bridge %s 32bit mmio: %pR\n",
-		       pci_name(dev), res);
+		dev_printk(KERN_DEBUG, &dev->dev, "bridge 32bit mmio: %pR\n",
+			res);
 	}
 
 	res = child->resource[2];
@@ -437,9 +436,9 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 		res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH;
 		res->start = base;
 		res->end = limit + 0xfffff;
-		printk(KERN_DEBUG "PCI: bridge %s %sbit mmio pref: %pR\n",
-		       pci_name(dev),
-		       (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64":"32", res);
+		dev_printk(KERN_DEBUG, &dev->dev, "bridge %sbit mmio pref: %pR\n",
+			(res->flags & PCI_PREF_RANGE_TYPE_64) ? "64" : "32",
+			res);
 	}
 }
 
-- 
GitLab


From f19aeb1f3638b7bb4ca21eb361f004fac2bfe259 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Fri, 3 Oct 2008 19:49:32 +1000
Subject: [PATCH 1528/2224] PCI: Add ability to mmap legacy_io on some
 platforms

This adds the ability to mmap legacy IO space to the legacy_io files
in sysfs on platforms that support it. This will allow to clean up
X to use this instead of /dev/mem for legacy IO accesses such as
those performed by Int10.

While at it I moved pci_create/remove_legacy_files() to pci-sysfs.c
where I think they belong, thus making more things statis in there
and cleaned up some spurrious prototypes in the ia64 pci.h file

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/ia64/include/asm/pci.h | 12 +----
 arch/ia64/pci/pci.c         |  7 ++-
 drivers/pci/pci-sysfs.c     | 93 +++++++++++++++++++++++++++++++++++--
 drivers/pci/pci.h           |  6 +++
 drivers/pci/probe.c         | 66 --------------------------
 5 files changed, 102 insertions(+), 82 deletions(-)

diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 0149097b736..ce342fb7424 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -95,16 +95,8 @@ extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma,
 				enum pci_mmap_state mmap_state, int write_combine);
 #define HAVE_PCI_LEGACY
 extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
-				      struct vm_area_struct *vma);
-extern ssize_t pci_read_legacy_io(struct kobject *kobj,
-				  struct bin_attribute *bin_attr,
-				  char *buf, loff_t off, size_t count);
-extern ssize_t pci_write_legacy_io(struct kobject *kobj,
-				   struct bin_attribute *bin_attr,
-				   char *buf, loff_t off, size_t count);
-extern int pci_mmap_legacy_mem(struct kobject *kobj,
-			       struct bin_attribute *attr,
-			       struct vm_area_struct *vma);
+				      struct vm_area_struct *vma,
+				      enum pci_mmap_state mmap_state);
 
 #define pci_get_legacy_mem platform_pci_get_legacy_mem
 #define pci_legacy_read platform_pci_legacy_read
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 7545037a862..211fcfd115f 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -614,12 +614,17 @@ char *ia64_pci_get_legacy_mem(struct pci_bus *bus)
  * vector to get the base address.
  */
 int
-pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma)
+pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma,
+			   enum pci_mmap_state mmap_state)
 {
 	unsigned long size = vma->vm_end - vma->vm_start;
 	pgprot_t prot;
 	char *addr;
 
+	/* We only support mmap'ing of legacy memory space */
+	if (mmap_state != pci_mmap_mem)
+		return -ENOSYS;
+
 	/*
 	 * Avoid attribute aliasing.  See Documentation/ia64/aliasing.txt
 	 * for more details.
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 2cad6da2e4a..110022d7868 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -423,7 +423,7 @@ pci_write_vpd(struct kobject *kobj, struct bin_attribute *bin_attr,
  * Reads 1, 2, or 4 bytes from legacy I/O port space using an arch specific
  * callback routine (pci_legacy_read).
  */
-ssize_t
+static ssize_t
 pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
 		   char *buf, loff_t off, size_t count)
 {
@@ -448,7 +448,7 @@ pci_read_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
  * Writes 1, 2, or 4 bytes from legacy I/O port space using an arch specific
  * callback routine (pci_legacy_write).
  */
-ssize_t
+static ssize_t
 pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
 		    char *buf, loff_t off, size_t count)
 {
@@ -468,11 +468,11 @@ pci_write_legacy_io(struct kobject *kobj, struct bin_attribute *bin_attr,
  * @attr: struct bin_attribute for this file
  * @vma: struct vm_area_struct passed to mmap
  *
- * Uses an arch specific callback, pci_mmap_legacy_page_range, to mmap
+ * Uses an arch specific callback, pci_mmap_legacy_mem_page_range, to mmap
  * legacy memory space (first meg of bus space) into application virtual
  * memory space.
  */
-int
+static int
 pci_mmap_legacy_mem(struct kobject *kobj, struct bin_attribute *attr,
                     struct vm_area_struct *vma)
 {
@@ -480,7 +480,90 @@ pci_mmap_legacy_mem(struct kobject *kobj, struct bin_attribute *attr,
                                                       struct device,
 						      kobj));
 
-        return pci_mmap_legacy_page_range(bus, vma);
+        return pci_mmap_legacy_page_range(bus, vma, pci_mmap_mem);
+}
+
+/**
+ * pci_mmap_legacy_io - map legacy PCI IO into user memory space
+ * @kobj: kobject corresponding to device to be mapped
+ * @attr: struct bin_attribute for this file
+ * @vma: struct vm_area_struct passed to mmap
+ *
+ * Uses an arch specific callback, pci_mmap_legacy_io_page_range, to mmap
+ * legacy IO space (first meg of bus space) into application virtual
+ * memory space. Returns -ENOSYS if the operation isn't supported
+ */
+static int
+pci_mmap_legacy_io(struct kobject *kobj, struct bin_attribute *attr,
+		   struct vm_area_struct *vma)
+{
+        struct pci_bus *bus = to_pci_bus(container_of(kobj,
+                                                      struct device,
+						      kobj));
+
+        return pci_mmap_legacy_page_range(bus, vma, pci_mmap_io);
+}
+
+/**
+ * pci_create_legacy_files - create legacy I/O port and memory files
+ * @b: bus to create files under
+ *
+ * Some platforms allow access to legacy I/O port and ISA memory space on
+ * a per-bus basis.  This routine creates the files and ties them into
+ * their associated read, write and mmap files from pci-sysfs.c
+ *
+ * On error unwind, but don't propogate the error to the caller
+ * as it is ok to set up the PCI bus without these files.
+ */
+void pci_create_legacy_files(struct pci_bus *b)
+{
+	int error;
+
+	b->legacy_io = kzalloc(sizeof(struct bin_attribute) * 2,
+			       GFP_ATOMIC);
+	if (!b->legacy_io)
+		goto kzalloc_err;
+
+	b->legacy_io->attr.name = "legacy_io";
+	b->legacy_io->size = 0xffff;
+	b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
+	b->legacy_io->read = pci_read_legacy_io;
+	b->legacy_io->write = pci_write_legacy_io;
+	b->legacy_io->mmap = pci_mmap_legacy_io;
+	error = device_create_bin_file(&b->dev, b->legacy_io);
+	if (error)
+		goto legacy_io_err;
+
+	/* Allocated above after the legacy_io struct */
+	b->legacy_mem = b->legacy_io + 1;
+	b->legacy_mem->attr.name = "legacy_mem";
+	b->legacy_mem->size = 1024*1024;
+	b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR;
+	b->legacy_mem->mmap = pci_mmap_legacy_mem;
+	error = device_create_bin_file(&b->dev, b->legacy_mem);
+	if (error)
+		goto legacy_mem_err;
+
+	return;
+
+legacy_mem_err:
+	device_remove_bin_file(&b->dev, b->legacy_io);
+legacy_io_err:
+	kfree(b->legacy_io);
+	b->legacy_io = NULL;
+kzalloc_err:
+	printk(KERN_WARNING "pci: warning: could not create legacy I/O port "
+	       "and ISA memory resources to sysfs\n");
+	return;
+}
+
+void pci_remove_legacy_files(struct pci_bus *b)
+{
+	if (b->legacy_io) {
+		device_remove_bin_file(&b->dev, b->legacy_io);
+		device_remove_bin_file(&b->dev, b->legacy_mem);
+		kfree(b->legacy_io); /* both are allocated here */
+	}
 }
 #endif /* HAVE_PCI_LEGACY */
 
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 39684c1415c..b205ab866a1 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -82,7 +82,13 @@ static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
 /* Functions for PCI Hotplug drivers to use */
 extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
 
+#ifdef HAVE_PCI_LEGACY
+extern void pci_create_legacy_files(struct pci_bus *bus);
 extern void pci_remove_legacy_files(struct pci_bus *bus);
+#else
+static inline void pci_create_legacy_files(struct pci_bus *bus) { return; }
+static inline void pci_remove_legacy_files(struct pci_bus *bus) { return; }
+#endif
 
 /* Lock for read/write access to pci device and bus lists */
 extern struct rw_semaphore pci_bus_sem;
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index afb9f1c0bc2..aaaf0a1fed2 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -42,72 +42,6 @@ int no_pci_devices(void)
 }
 EXPORT_SYMBOL(no_pci_devices);
 
-#ifdef HAVE_PCI_LEGACY
-/**
- * pci_create_legacy_files - create legacy I/O port and memory files
- * @b: bus to create files under
- *
- * Some platforms allow access to legacy I/O port and ISA memory space on
- * a per-bus basis.  This routine creates the files and ties them into
- * their associated read, write and mmap files from pci-sysfs.c
- *
- * On error unwind, but don't propogate the error to the caller
- * as it is ok to set up the PCI bus without these files.
- */
-static void pci_create_legacy_files(struct pci_bus *b)
-{
-	int error;
-
-	b->legacy_io = kzalloc(sizeof(struct bin_attribute) * 2,
-			       GFP_ATOMIC);
-	if (!b->legacy_io)
-		goto kzalloc_err;
-
-	b->legacy_io->attr.name = "legacy_io";
-	b->legacy_io->size = 0xffff;
-	b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
-	b->legacy_io->read = pci_read_legacy_io;
-	b->legacy_io->write = pci_write_legacy_io;
-	error = device_create_bin_file(&b->dev, b->legacy_io);
-	if (error)
-		goto legacy_io_err;
-
-	/* Allocated above after the legacy_io struct */
-	b->legacy_mem = b->legacy_io + 1;
-	b->legacy_mem->attr.name = "legacy_mem";
-	b->legacy_mem->size = 1024*1024;
-	b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR;
-	b->legacy_mem->mmap = pci_mmap_legacy_mem;
-	error = device_create_bin_file(&b->dev, b->legacy_mem);
-	if (error)
-		goto legacy_mem_err;
-
-	return;
-
-legacy_mem_err:
-	device_remove_bin_file(&b->dev, b->legacy_io);
-legacy_io_err:
-	kfree(b->legacy_io);
-	b->legacy_io = NULL;
-kzalloc_err:
-	printk(KERN_WARNING "pci: warning: could not create legacy I/O port "
-	       "and ISA memory resources to sysfs\n");
-	return;
-}
-
-void pci_remove_legacy_files(struct pci_bus *b)
-{
-	if (b->legacy_io) {
-		device_remove_bin_file(&b->dev, b->legacy_io);
-		device_remove_bin_file(&b->dev, b->legacy_mem);
-		kfree(b->legacy_io); /* both are allocated here */
-	}
-}
-#else /* !HAVE_PCI_LEGACY */
-static inline void pci_create_legacy_files(struct pci_bus *bus) { return; }
-void pci_remove_legacy_files(struct pci_bus *bus) { return; }
-#endif /* HAVE_PCI_LEGACY */
-
 /*
  * PCI Bus Class Devices
  */
-- 
GitLab


From e9f82cb75096ae30658a72d473bf170bf4d3bb2e Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 14 Oct 2008 11:55:31 +1100
Subject: [PATCH 1529/2224] powerpc/PCI: Add legacy PCI access via sysfs

This patch adds support for legacy_io and legacy_mem files in
bus class directories in sysfs for powerpc

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 arch/powerpc/include/asm/pci-bridge.h |   7 ++
 arch/powerpc/include/asm/pci.h        |  11 +++
 arch/powerpc/kernel/pci-common.c      | 136 +++++++++++++++++++++++++-
 3 files changed, 153 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index ae2ea803a0f..9047af7baa6 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -74,6 +74,13 @@ struct pci_controller {
 	unsigned long pci_io_size;
 #endif
 
+	/* Some machines have a special region to forward the ISA
+	 * "memory" cycles such as VGA memory regions. Left to 0
+	 * if unsupported
+	 */
+	resource_size_t	isa_mem_phys;
+	resource_size_t	isa_mem_size;
+
 	struct pci_ops *ops;
 	unsigned int __iomem *cfg_addr;
 	void __iomem *cfg_data;
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index 0e52c7828ea..39d547fde95 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -123,6 +123,16 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
 #define HAVE_PCI_MMAP	1
 
+extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
+			   size_t count);
+extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
+			   size_t count);
+extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
+				      struct vm_area_struct *vma,
+				      enum pci_mmap_state mmap_state);
+
+#define HAVE_PCI_LEGACY	1
+
 #if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE)
 /*
  * For 64-bit kernels, pci_unmap_{single,page} is not a nop.
@@ -226,5 +236,6 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
 extern void pcibios_do_bus_setup(struct pci_bus *bus);
 extern void pcibios_fixup_of_probed_bus(struct pci_bus *bus);
 
+
 #endif	/* __KERNEL__ */
 #endif /* __ASM_POWERPC_PCI_H */
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 01ce8c38bae..3815d84a1ef 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -451,7 +451,8 @@ pgprot_t pci_phys_mem_access_prot(struct file *file,
 		pci_dev_put(pdev);
 	}
 
-	DBG("non-PCI map for %lx, prot: %lx\n", offset, prot);
+	DBG("non-PCI map for %llx, prot: %lx\n",
+	    (unsigned long long)offset, prot);
 
 	return __pgprot(prot);
 }
@@ -490,6 +491,131 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 	return ret;
 }
 
+/* This provides legacy IO read access on a bus */
+int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, size_t size)
+{
+	unsigned long offset;
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	struct resource *rp = &hose->io_resource;
+	void __iomem *addr;
+
+	/* Check if port can be supported by that bus. We only check
+	 * the ranges of the PHB though, not the bus itself as the rules
+	 * for forwarding legacy cycles down bridges are not our problem
+	 * here. So if the host bridge supports it, we do it.
+	 */
+	offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+	offset += port;
+
+	if (!(rp->flags & IORESOURCE_IO))
+		return -ENXIO;
+	if (offset < rp->start || (offset + size) > rp->end)
+		return -ENXIO;
+	addr = hose->io_base_virt + port;
+
+	switch(size) {
+	case 1:
+		*((u8 *)val) = in_8(addr);
+		return 1;
+	case 2:
+		if (port & 1)
+			return -EINVAL;
+		*((u16 *)val) = in_le16(addr);
+		return 2;
+	case 4:
+		if (port & 3)
+			return -EINVAL;
+		*((u32 *)val) = in_le32(addr);
+		return 4;
+	}
+	return -EINVAL;
+}
+
+/* This provides legacy IO write access on a bus */
+int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, size_t size)
+{
+	unsigned long offset;
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	struct resource *rp = &hose->io_resource;
+	void __iomem *addr;
+
+	/* Check if port can be supported by that bus. We only check
+	 * the ranges of the PHB though, not the bus itself as the rules
+	 * for forwarding legacy cycles down bridges are not our problem
+	 * here. So if the host bridge supports it, we do it.
+	 */
+	offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+	offset += port;
+
+	if (!(rp->flags & IORESOURCE_IO))
+		return -ENXIO;
+	if (offset < rp->start || (offset + size) > rp->end)
+		return -ENXIO;
+	addr = hose->io_base_virt + port;
+
+	/* WARNING: The generic code is idiotic. It gets passed a pointer
+	 * to what can be a 1, 2 or 4 byte quantity and always reads that
+	 * as a u32, which means that we have to correct the location of
+	 * the data read within those 32 bits for size 1 and 2
+	 */
+	switch(size) {
+	case 1:
+		out_8(addr, val >> 24);
+		return 1;
+	case 2:
+		if (port & 1)
+			return -EINVAL;
+		out_le16(addr, val >> 16);
+		return 2;
+	case 4:
+		if (port & 3)
+			return -EINVAL;
+		out_le32(addr, val);
+		return 4;
+	}
+	return -EINVAL;
+}
+
+/* This provides legacy IO or memory mmap access on a bus */
+int pci_mmap_legacy_page_range(struct pci_bus *bus,
+			       struct vm_area_struct *vma,
+			       enum pci_mmap_state mmap_state)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	resource_size_t offset =
+		((resource_size_t)vma->vm_pgoff) << PAGE_SHIFT;
+	resource_size_t size = vma->vm_end - vma->vm_start;
+	struct resource *rp;
+
+	pr_debug("pci_mmap_legacy_page_range(%04x:%02x, %s @%llx..%llx)\n",
+		 pci_domain_nr(bus), bus->number,
+		 mmap_state == pci_mmap_mem ? "MEM" : "IO",
+		 (unsigned long long)offset,
+		 (unsigned long long)(offset + size - 1));
+
+	if (mmap_state == pci_mmap_mem) {
+		if ((offset + size) > hose->isa_mem_size)
+			return -ENXIO;
+		offset += hose->isa_mem_phys;
+	} else {
+		unsigned long io_offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+		unsigned long roffset = offset + io_offset;
+		rp = &hose->io_resource;
+		if (!(rp->flags & IORESOURCE_IO))
+			return -ENXIO;
+		if (roffset < rp->start || (roffset + size) > rp->end)
+			return -ENXIO;
+		offset += hose->io_base_phys;
+	}
+	pr_debug(" -> mapping phys %llx\n", (unsigned long long)offset);
+
+	vma->vm_pgoff = offset >> PAGE_SHIFT;
+	vma->vm_page_prot |= _PAGE_NO_CACHE | _PAGE_GUARDED;
+	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+			       vma->vm_end - vma->vm_start,
+			       vma->vm_page_prot);
+}
+
 void pci_resource_to_user(const struct pci_dev *dev, int bar,
 			  const struct resource *rsrc,
 			  resource_size_t *start, resource_size_t *end)
@@ -592,6 +718,12 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
 		cpu_addr = of_translate_address(dev, ranges + 3);
 		size = of_read_number(ranges + pna + 3, 2);
 		ranges += np;
+
+		/* If we failed translation or got a zero-sized region
+		 * (some FW try to feed us with non sensical zero sized regions
+		 * such as power3 which look like some kind of attempt at exposing
+		 * the VGA memory hole)
+		 */
 		if (cpu_addr == OF_BAD_ADDR || size == 0)
 			continue;
 
@@ -665,6 +797,8 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
 				isa_hole = memno;
 				if (primary || isa_mem_base == 0)
 					isa_mem_base = cpu_addr;
+				hose->isa_mem_phys = cpu_addr;
+				hose->isa_mem_size = size;
 			}
 
 			/* We get the PCI/Mem offset from the first range or
-- 
GitLab


From aa42d7c6138afdc54f74e971456a0fbfec16b77b Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@infradead.org>
Date: Sun, 28 Sep 2008 16:36:11 -0700
Subject: [PATCH 1530/2224] PCI: introduce an pci_ioremap(pdev, barnr) function

A common thing in many PCI drivers is to ioremap() an entire bar.  This
is a slightly fragile thing right now, needing both an address and a
size, and many driver writers do.. various things there.

This patch introduces an pci_ioremap() function taking just a PCI device
struct and the bar number as arguments, and figures this all out itself,
in one place.  In addition, we can add various sanity checks to this
function (the patch already checks to make sure that the bar in question
really is a MEM bar; few to no drivers do that sort of thing).

Hopefully with this type of API we get less chance of mistakes in
drivers with ioremap() operations.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 include/linux/pci.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 7e9a1f0715e..46ad282ffe4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1119,5 +1119,18 @@ static inline void pci_mmcfg_early_init(void) { }
 static inline void pci_mmcfg_late_init(void) { }
 #endif
 
+static inline void * pci_ioremap_bar(struct pci_dev *pdev, int bar)
+{
+	/*
+	 * Make sure the BAR is actually a memory resource, not an IO resource
+	 */
+	if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) {
+		WARN_ON(1);
+		return NULL;
+	}
+	return ioremap_nocache(pci_resource_start(pdev, bar),
+				     pci_resource_len(pdev, bar));
+}
+
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */
-- 
GitLab


From e5665a45fa28d0114f61b5d534a3b2678592219d Mon Sep 17 00:00:00 2001
From: Chuck Ebbert <cebbert@redhat.com>
Date: Wed, 24 Sep 2008 20:40:34 -0400
Subject: [PATCH 1531/2224] PCI: document the pcie_aspm kernel parameter

It can be handy so make sure people know about it.

Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/kernel-parameters.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 08fbc8372ba..53ba7c7d82b 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1678,6 +1678,12 @@ and is between 256 and 4096 characters. It is defined in the file
 				reserved for the CardBus bridge's memory
 				window. The default value is 64 megabytes.
 
+	pcie_aspm=	[PCIE] Forcibly enable or disable PCIe Active State Power
+			Management.
+		off	Disable ASPM.
+		force	Enable ASPM even on devices that claim not to support it.
+			WARNING: Forcing ASPM on may cause system lockups.
+
 	pcmv=		[HW,PCMCIA] BadgePAD 4
 
 	pd.		[PARIDE]
-- 
GitLab


From bd1d9855be3ab8a5c2b31053d464b7fe63e6963b Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Mon, 29 Sep 2008 17:37:05 +0900
Subject: [PATCH 1532/2224] PCI hotplug: fix get_##name return value problem

The commit 356a9d6f3dd283f83861adf1ac909879f0e66411 (PCI: fix hotplug
get_##name return value problem) doesn't seem to be merged properly.
Because of this, PCI hotplug no longer works (Read/Write PCI hotplug
files always returns -ENODEV).

This patch fixes wrong check of try_module_get() return value check in
get_##name().

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pci_hotplug_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 27d2b6fe5d5..2e6c4474644 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -102,7 +102,7 @@ static int get_##name (struct hotplug_slot *slot, type *value)		\
 {									\
 	struct hotplug_slot_ops *ops = slot->ops;			\
 	int retval = 0;							\
-	if (try_module_get(ops->owner))					\
+	if (!try_module_get(ops->owner))				\
 		return -ENODEV;						\
 	if (ops->get_##name)						\
 		retval = ops->get_##name(slot, value);			\
-- 
GitLab


From 1543c90c39360df333a21bfbbdfe812ae23b8167 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Sat, 18 Oct 2008 17:19:38 -0700
Subject: [PATCH 1533/2224] PCI: remove #ifdef DEBUG around dev_dbg call

No longer needed since we don't use the function symbol stuff anymore.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/quirks.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 9575fc8f87b..bbf66ea8fd8 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1934,9 +1934,7 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_f
 	while (f < end) {
 		if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
  		    (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
-#ifdef DEBUG
 			dev_dbg(&dev->dev, "calling %pF\n", f->hook);
-#endif
 			f->hook(dev);
 		}
 		f++;
-- 
GitLab


From 0927678f55c9a50c296f7e6dae85e87b8236e155 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Sat, 18 Oct 2008 17:33:19 -0700
Subject: [PATCH 1534/2224] PCI: use pci_find_ext_capability everywhere

Remove some open coded (and buggy) versions of pci_find_ext_capability
in favor of the real routine in the PCI core.

Tested-by: Tomasz Czernecki <czernecki@gmail.com>
Acked-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pcie/aer/aerdrv.c      |  6 ++--
 drivers/pci/pcie/aer/aerdrv_core.c | 47 +++++++-----------------------
 drivers/pci/pcie/portdrv_core.c    | 23 ++++-----------
 drivers/scsi/qla2xxx/qla_os.c      |  5 ++--
 include/linux/aer.h                |  4 ---
 5 files changed, 20 insertions(+), 65 deletions(-)

diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 77036f46acf..e390707661d 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -105,7 +105,7 @@ static irqreturn_t aer_irq(int irq, void *context)
 	unsigned long flags;
 	int pos;
 
-	pos = pci_find_aer_capability(pdev->port);
+	pos = pci_find_ext_capability(pdev->port, PCI_EXT_CAP_ID_ERR);
 	/*
 	 * Must lock access to Root Error Status Reg, Root Error ID Reg,
 	 * and Root error producer/consumer index
@@ -252,7 +252,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
 	u32 status;
 	int pos;
 
-	pos = pci_find_aer_capability(dev);
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 
 	/* Disable Root's interrupt in response to error messages */
 	pci_write_config_dword(dev, pos + PCI_ERR_ROOT_COMMAND, 0);
@@ -316,7 +316,7 @@ static void aer_error_resume(struct pci_dev *dev)
 	pci_write_config_word(dev, pos + PCI_EXP_DEVSTA, reg16);
 
 	/* Clean AER Root Error Status */
-	pos = pci_find_aer_capability(dev);
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 	pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status);
 	pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, &mask);
 	if (dev->error_state == pci_channel_io_normal)
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index ee5e7b5176d..1ff21f6045d 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -28,36 +28,6 @@
 static int forceload;
 module_param(forceload, bool, 0);
 
-#define PCI_CFG_SPACE_SIZE	(0x100)
-int pci_find_aer_capability(struct pci_dev *dev)
-{
-	int pos;
-	u32 reg32 = 0;
-
-	/* Check if it's a pci-express device */
-	pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
-	if (!pos)
-		return 0;
-
-	/* Check if it supports pci-express AER */
-	pos = PCI_CFG_SPACE_SIZE;
-	while (pos) {
-		if (pci_read_config_dword(dev, pos, &reg32))
-			return 0;
-
-		/* some broken boards return ~0 */
-		if (reg32 == 0xffffffff)
-			return 0;
-
-		if (PCI_EXT_CAP_ID(reg32) == PCI_EXT_CAP_ID_ERR)
-			break;
-
-		pos = reg32 >> 20;
-	}
-
-	return pos;
-}
-
 int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 {
 	u16 reg16 = 0;
@@ -67,6 +37,10 @@ int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 	if (!pos)
 		return -EIO;
 
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
+	if (!pos)
+		return -EIO;
+
 	pci_read_config_word(dev, pos+PCI_EXP_DEVCTL, &reg16);
 	reg16 = reg16 |
 		PCI_EXP_DEVCTL_CERE |
@@ -102,7 +76,7 @@ int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
 	int pos;
 	u32 status, mask;
 
-	pos = pci_find_aer_capability(dev);
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 	if (!pos)
 		return -EIO;
 
@@ -123,7 +97,7 @@ int pci_cleanup_aer_correct_error_status(struct pci_dev *dev)
 	int pos;
 	u32 status;
 
-	pos = pci_find_aer_capability(dev);
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 	if (!pos)
 		return -EIO;
 
@@ -502,7 +476,7 @@ static void handle_error_source(struct pcie_device * aerdev,
 		 * Correctable error does not need software intevention.
 		 * No need to go through error recovery process.
 		 */
-		pos = pci_find_aer_capability(dev);
+		pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 		if (pos)
 			pci_write_config_dword(dev, pos + PCI_ERR_COR_STATUS,
 					info.status);
@@ -542,7 +516,7 @@ void aer_enable_rootport(struct aer_rpc *rpc)
 	reg16 &= ~(SYSTEM_ERROR_INTR_ON_MESG_MASK);
 	pci_write_config_word(pdev, pos + PCI_EXP_RTCTL, reg16);
 
-	aer_pos = pci_find_aer_capability(pdev);
+	aer_pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
 	/* Clear error status */
 	pci_read_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, &reg32);
 	pci_write_config_dword(pdev, aer_pos + PCI_ERR_ROOT_STATUS, reg32);
@@ -579,7 +553,7 @@ static void disable_root_aer(struct aer_rpc *rpc)
 	u32 reg32;
 	int pos;
 
-	pos = pci_find_aer_capability(pdev);
+	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ERR);
 	/* Disable Root's interrupt in response to error messages */
 	pci_write_config_dword(pdev, pos + PCI_ERR_ROOT_COMMAND, 0);
 
@@ -618,7 +592,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
 {
 	int pos;
 
-	pos = pci_find_aer_capability(dev);
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 
 	/* The device might not support AER */
 	if (!pos)
@@ -755,7 +729,6 @@ int aer_init(struct pcie_device *dev)
 	return AER_SUCCESS;
 }
 
-EXPORT_SYMBOL_GPL(pci_find_aer_capability);
 EXPORT_SYMBOL_GPL(pci_enable_pcie_error_reporting);
 EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting);
 EXPORT_SYMBOL_GPL(pci_cleanup_aer_uncorrect_error_status);
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 890f0d2b370..2e091e01482 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -195,24 +195,11 @@ static int get_port_device_capability(struct pci_dev *dev)
 	/* PME Capable - root port capability */
 	if (((reg16 >> 4) & PORT_TYPE_MASK) == PCIE_RC_PORT)
 		services |= PCIE_PORT_SERVICE_PME;
-	
-	pos = PCI_CFG_SPACE_SIZE;
-	while (pos) {
-		pci_read_config_dword(dev, pos, &reg32);
-		switch (reg32 & 0xffff) {
-		case PCI_EXT_CAP_ID_ERR:
-			services |= PCIE_PORT_SERVICE_AER;
-			pos = reg32 >> 20;
-			break;
-		case PCI_EXT_CAP_ID_VC:
-			services |= PCIE_PORT_SERVICE_VC;
-			pos = reg32 >> 20;
-			break;
-		default:
-			pos = 0;
-			break;
-		}
-	}
+
+	if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR))
+		services |= PCIE_PORT_SERVICE_AER;
+	if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_VC))
+		services |= PCIE_PORT_SERVICE_VC;
 
 	return services;
 }
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2aed4721c0d..21dd182ad51 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1566,9 +1566,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 			goto probe_out;
 	}
 
-	if (pci_find_aer_capability(pdev))
-		if (pci_enable_pcie_error_reporting(pdev))
-			goto probe_out;
+	/* This may fail but that's ok */
+	pci_enable_pcie_error_reporting(pdev);
 
 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
 	if (host == NULL) {
diff --git a/include/linux/aer.h b/include/linux/aer.h
index f2518141de8..a2383a72356 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -18,10 +18,6 @@ static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 {
 	return -EINVAL;
 }
-static inline int pci_find_aer_capability(struct pci_dev *dev)
-{
-	return 0;
-}
 static inline int pci_disable_pcie_error_reporting(struct pci_dev *dev)
 {
 	return -EINVAL;
-- 
GitLab


From 270c66be9b4a6f2be53ef3aec5dc8e7b07782ec9 Mon Sep 17 00:00:00 2001
From: Yu Zhao <yu.zhao@intel.com>
Date: Sun, 19 Oct 2008 20:35:20 +0800
Subject: [PATCH 1535/2224] PCI: fix AER capability check

The 'use pci_find_ext_capability everywhere' cleanup brought a new bug,
which makes the AER stop working.  Fix it by actually using find_ext_cap
instead of just find_cap.  Drop the unused config space size define while
we're at it.

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 Documentation/PCI/pcieaer-howto.txt | 11 +++--------
 drivers/pci/pcie/aer/aerdrv_core.c  |  4 ++--
 drivers/pci/pcie/portdrv.h          |  1 -
 include/linux/aer.h                 |  1 -
 4 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/Documentation/PCI/pcieaer-howto.txt b/Documentation/PCI/pcieaer-howto.txt
index 16c251230c8..ddeb14beacc 100644
--- a/Documentation/PCI/pcieaer-howto.txt
+++ b/Documentation/PCI/pcieaer-howto.txt
@@ -203,22 +203,17 @@ to mmio_enabled.
 
 3.3 helper functions
 
-3.3.1 int pci_find_aer_capability(struct pci_dev *dev);
-pci_find_aer_capability locates the PCI Express AER capability
-in the device configuration space. If the device doesn't support
-PCI-Express AER, the function returns 0.
-
-3.3.2 int pci_enable_pcie_error_reporting(struct pci_dev *dev);
+3.3.1 int pci_enable_pcie_error_reporting(struct pci_dev *dev);
 pci_enable_pcie_error_reporting enables the device to send error
 messages to root port when an error is detected. Note that devices
 don't enable the error reporting by default, so device drivers need
 call this function to enable it.
 
-3.3.3 int pci_disable_pcie_error_reporting(struct pci_dev *dev);
+3.3.2 int pci_disable_pcie_error_reporting(struct pci_dev *dev);
 pci_disable_pcie_error_reporting disables the device to send error
 messages to root port when an error is detected.
 
-3.3.4 int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
+3.3.3 int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
 pci_cleanup_aer_uncorrect_error_status cleanups the uncorrectable
 error status register.
 
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 1ff21f6045d..dfc63d01f20 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -33,11 +33,11 @@ int pci_enable_pcie_error_reporting(struct pci_dev *dev)
 	u16 reg16 = 0;
 	int pos;
 
-	pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 	if (!pos)
 		return -EIO;
 
-	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
+	pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
 	if (!pos)
 		return -EIO;
 
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index 3656e0349dd..2529f3f2ea5 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -25,7 +25,6 @@
 #define PCIE_CAPABILITIES_REG		0x2
 #define PCIE_SLOT_CAPABILITIES_REG	0x14
 #define PCIE_PORT_DEVICE_MAXSERVICES	4
-#define PCI_CFG_SPACE_SIZE		256
 
 #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
 
diff --git a/include/linux/aer.h b/include/linux/aer.h
index a2383a72356..f7df1eefc10 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -10,7 +10,6 @@
 #if defined(CONFIG_PCIEAER)
 /* pci-e port driver needs this function to enable aer */
 extern int pci_enable_pcie_error_reporting(struct pci_dev *dev);
-extern int pci_find_aer_capability(struct pci_dev *dev);
 extern int pci_disable_pcie_error_reporting(struct pci_dev *dev);
 extern int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
 #else
-- 
GitLab


From db7a6d8d01b21829d28638258cbbc9553210bac1 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 20 Oct 2008 11:24:31 -0700
Subject: [PATCH 1536/2224] Update .gitignore files for generated targets

The generated 'capflags.c' file wasn't properly ignored, and the list of
files in scripts/basic/ wasn't up-to-date.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/x86/kernel/cpu/.gitignore | 1 +
 scripts/basic/.gitignore       | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 arch/x86/kernel/cpu/.gitignore

diff --git a/arch/x86/kernel/cpu/.gitignore b/arch/x86/kernel/cpu/.gitignore
new file mode 100644
index 00000000000..667df55a439
--- /dev/null
+++ b/arch/x86/kernel/cpu/.gitignore
@@ -0,0 +1 @@
+capflags.c
diff --git a/scripts/basic/.gitignore b/scripts/basic/.gitignore
index 7304e19782c..bf8b199ec59 100644
--- a/scripts/basic/.gitignore
+++ b/scripts/basic/.gitignore
@@ -1,3 +1,3 @@
+hash
 fixdep
-split-include
 docproc
-- 
GitLab


From 413460980ea7796582bce672be85879be0865ada Mon Sep 17 00:00:00 2001
From: Steve French <sfrench@us.ibm.com>
Date: Mon, 20 Oct 2008 18:24:42 +0000
Subject: [PATCH 1537/2224] [CIFS] fix build error

Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 232ab16d7fd..23cca214ede 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -813,7 +813,7 @@ cifs_rename_pending_delete(char *full_path, struct dentry *dentry, int xid)
 					current->tgid);
 		/* although we would like to mark the file hidden
  		   if that fails we will still try to rename it */
-		if (rc != 0) {
+		if (rc != 0)
 			cifsInode->cifsAttrs = dosattr;
 		else
 			dosattr = origattr; /* since not able to change them */
-- 
GitLab


From 96499871f45b9126157b1a5c512d6e30f1635225 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 20 Oct 2008 19:45:43 +0200
Subject: [PATCH 1538/2224] PCI: fix pci_ioremap_bar() on s390

s390 doesn't have ioremap_*, so protect the definition of the new
pci_ioremap_bar function with CONFIG_HAS_IOMEM to avoid build breakage.

Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 include/linux/pci.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 46ad282ffe4..085187be29c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1119,6 +1119,7 @@ static inline void pci_mmcfg_early_init(void) { }
 static inline void pci_mmcfg_late_init(void) { }
 #endif
 
+#ifdef CONFIG_HAS_IOMEM
 static inline void * pci_ioremap_bar(struct pci_dev *pdev, int bar)
 {
 	/*
@@ -1131,6 +1132,7 @@ static inline void * pci_ioremap_bar(struct pci_dev *pdev, int bar)
 	return ioremap_nocache(pci_resource_start(pdev, bar),
 				     pci_resource_len(pdev, bar));
 }
+#endif
 
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */
-- 
GitLab


From 0d468300dc97d6aec084799ffe39253ac366f1e4 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 20 Oct 2008 11:32:09 -0700
Subject: [PATCH 1539/2224] Remove empty imacfb.c file

Commit 7c08c9ae0c145807c0dae4a55f240fa3d4fd5262 ("efifb/imacfb
consolidation + hardware support") claimed to remove imacfb entirely and
merge its DMI table into the efifb driver.  So far so good, but the diff
actually ended up just generating an empty file instead of removing it.

[ Technical reason: the patch header looked like

  diff -puN drivers/video/imacfb.c~efifb-imacfb-consolidation-hardware-support drivers/video/imacfb.c
  --- a/drivers/video/imacfb.c~efifb-imacfb-consolidation-hardware-support
  +++ a/drivers/video/imacfb.c
  @@ -1,376 +0,0 @@

  which git will think is a truncation, not a delete.  Git wants to see a
  target of /dev/null to consider it a delete. ]

So remove it properly.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/video/imacfb.c | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 drivers/video/imacfb.c

diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c
deleted file mode 100644
index e69de29bb2d..00000000000
-- 
GitLab


From 6da0b38f4433fb0f24615449d7966471b6e5eae0 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 20 Oct 2008 22:28:45 +0400
Subject: [PATCH 1540/2224] fs/Kconfig: move ext2, ext3, ext4, JBD, JBD2 out

Use fs/*/Kconfig more, which is good because everything related to one
filesystem is in one place and fs/Kconfig is quite fat.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/Kconfig      | 272 +-----------------------------------------------
 fs/ext2/Kconfig |  55 ++++++++++
 fs/ext3/Kconfig |  67 ++++++++++++
 fs/ext4/Kconfig |  79 ++++++++++++++
 fs/jbd/Kconfig  |  30 ++++++
 fs/jbd2/Kconfig |  33 ++++++
 6 files changed, 269 insertions(+), 267 deletions(-)
 create mode 100644 fs/ext2/Kconfig
 create mode 100644 fs/ext3/Kconfig
 create mode 100644 fs/ext4/Kconfig
 create mode 100644 fs/jbd/Kconfig
 create mode 100644 fs/jbd2/Kconfig

diff --git a/fs/Kconfig b/fs/Kconfig
index 4eca61c201f..e282002b94d 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -6,61 +6,9 @@ menu "File systems"
 
 if BLOCK
 
-config EXT2_FS
-	tristate "Second extended fs support"
-	help
-	  Ext2 is a standard Linux file system for hard disks.
-
-	  To compile this file system support as a module, choose M here: the
-	  module will be called ext2.
-
-	  If unsure, say Y.
-
-config EXT2_FS_XATTR
-	bool "Ext2 extended attributes"
-	depends on EXT2_FS
-	help
-	  Extended attributes are name:value pairs associated with inodes by
-	  the kernel or by users (see the attr(5) manual page, or visit
-	  <http://acl.bestbits.at/> for details).
-
-	  If unsure, say N.
-
-config EXT2_FS_POSIX_ACL
-	bool "Ext2 POSIX Access Control Lists"
-	depends on EXT2_FS_XATTR
-	select FS_POSIX_ACL
-	help
-	  Posix Access Control Lists (ACLs) support permissions for users and
-	  groups beyond the owner/group/world scheme.
-
-	  To learn more about Access Control Lists, visit the Posix ACLs for
-	  Linux website <http://acl.bestbits.at/>.
-
-	  If you don't know what Access Control Lists are, say N
-
-config EXT2_FS_SECURITY
-	bool "Ext2 Security Labels"
-	depends on EXT2_FS_XATTR
-	help
-	  Security labels support alternative access control models
-	  implemented by security modules like SELinux.  This option
-	  enables an extended attribute handler for file security
-	  labels in the ext2 filesystem.
-
-	  If you are not using a security module that requires using
-	  extended attributes for file security labels, say N.
-
-config EXT2_FS_XIP
-	bool "Ext2 execute in place support"
-	depends on EXT2_FS && MMU
-	help
-	  Execute in place can be used on memory-backed block devices. If you
-	  enable this option, you can select to mount block devices which are
-	  capable of this feature without using the page cache.
-
-	  If you do not use a block device that is capable of using this,
-	  or if unsure, say N.
+source "fs/ext2/Kconfig"
+source "fs/ext3/Kconfig"
+source "fs/ext4/Kconfig"
 
 config FS_XIP
 # execute in place
@@ -68,218 +16,8 @@ config FS_XIP
 	depends on EXT2_FS_XIP
 	default y
 
-config EXT3_FS
-	tristate "Ext3 journalling file system support"
-	select JBD
-	help
-	  This is the journalling version of the Second extended file system
-	  (often called ext3), the de facto standard Linux file system
-	  (method to organize files on a storage device) for hard disks.
-
-	  The journalling code included in this driver means you do not have
-	  to run e2fsck (file system checker) on your file systems after a
-	  crash.  The journal keeps track of any changes that were being made
-	  at the time the system crashed, and can ensure that your file system
-	  is consistent without the need for a lengthy check.
-
-	  Other than adding the journal to the file system, the on-disk format
-	  of ext3 is identical to ext2.  It is possible to freely switch
-	  between using the ext3 driver and the ext2 driver, as long as the
-	  file system has been cleanly unmounted, or e2fsck is run on the file
-	  system.
-
-	  To add a journal on an existing ext2 file system or change the
-	  behavior of ext3 file systems, you can use the tune2fs utility ("man
-	  tune2fs").  To modify attributes of files and directories on ext3
-	  file systems, use chattr ("man chattr").  You need to be using
-	  e2fsprogs version 1.20 or later in order to create ext3 journals
-	  (available at <http://sourceforge.net/projects/e2fsprogs/>).
-
-	  To compile this file system support as a module, choose M here: the
-	  module will be called ext3.
-
-config EXT3_FS_XATTR
-	bool "Ext3 extended attributes"
-	depends on EXT3_FS
-	default y
-	help
-	  Extended attributes are name:value pairs associated with inodes by
-	  the kernel or by users (see the attr(5) manual page, or visit
-	  <http://acl.bestbits.at/> for details).
-
-	  If unsure, say N.
-
-	  You need this for POSIX ACL support on ext3.
-
-config EXT3_FS_POSIX_ACL
-	bool "Ext3 POSIX Access Control Lists"
-	depends on EXT3_FS_XATTR
-	select FS_POSIX_ACL
-	help
-	  Posix Access Control Lists (ACLs) support permissions for users and
-	  groups beyond the owner/group/world scheme.
-
-	  To learn more about Access Control Lists, visit the Posix ACLs for
-	  Linux website <http://acl.bestbits.at/>.
-
-	  If you don't know what Access Control Lists are, say N
-
-config EXT3_FS_SECURITY
-	bool "Ext3 Security Labels"
-	depends on EXT3_FS_XATTR
-	help
-	  Security labels support alternative access control models
-	  implemented by security modules like SELinux.  This option
-	  enables an extended attribute handler for file security
-	  labels in the ext3 filesystem.
-
-	  If you are not using a security module that requires using
-	  extended attributes for file security labels, say N.
-
-config EXT4_FS
-	tristate "The Extended 4 (ext4) filesystem"
-	select JBD2
-	select CRC16
-	help
-	  This is the next generation of the ext3 filesystem.
-
-	  Unlike the change from ext2 filesystem to ext3 filesystem,
-	  the on-disk format of ext4 is not forwards compatible with
-	  ext3; it is based on extent maps and it supports 48-bit
-	  physical block numbers.  The ext4 filesystem also supports delayed
-	  allocation, persistent preallocation, high resolution time stamps,
-	  and a number of other features to improve performance and speed
-	  up fsck time.  For more information, please see the web pages at
-	  http://ext4.wiki.kernel.org.
-
-	  The ext4 filesystem will support mounting an ext3
-	  filesystem; while there will be some performance gains from
-	  the delayed allocation and inode table readahead, the best
-	  performance gains will require enabling ext4 features in the
-	  filesystem, or formating a new filesystem as an ext4
-	  filesystem initially.
-
-	  To compile this file system support as a module, choose M here. The
-	  module will be called ext4.
-
-	  If unsure, say N.
-
-config EXT4DEV_COMPAT
-	bool "Enable ext4dev compatibility"
-	depends on EXT4_FS
-	help
-	  Starting with 2.6.28, the name of the ext4 filesystem was
-	  renamed from ext4dev to ext4.  Unfortunately there are some
-	  legacy userspace programs (such as klibc's fstype) have
-	  "ext4dev" hardcoded.
-
-	  To enable backwards compatibility so that systems that are
-	  still expecting to mount ext4 filesystems using ext4dev,
-	  chose Y here.   This feature will go away by 2.6.31, so
-	  please arrange to get your userspace programs fixed!
-
-config EXT4_FS_XATTR
-	bool "Ext4 extended attributes"
-	depends on EXT4_FS
-	default y
-	help
-	  Extended attributes are name:value pairs associated with inodes by
-	  the kernel or by users (see the attr(5) manual page, or visit
-	  <http://acl.bestbits.at/> for details).
-
-	  If unsure, say N.
-
-	  You need this for POSIX ACL support on ext4.
-
-config EXT4_FS_POSIX_ACL
-	bool "Ext4 POSIX Access Control Lists"
-	depends on EXT4_FS_XATTR
-	select FS_POSIX_ACL
-	help
-	  POSIX Access Control Lists (ACLs) support permissions for users and
-	  groups beyond the owner/group/world scheme.
-
-	  To learn more about Access Control Lists, visit the POSIX ACLs for
-	  Linux website <http://acl.bestbits.at/>.
-
-	  If you don't know what Access Control Lists are, say N
-
-config EXT4_FS_SECURITY
-	bool "Ext4 Security Labels"
-	depends on EXT4_FS_XATTR
-	help
-	  Security labels support alternative access control models
-	  implemented by security modules like SELinux.  This option
-	  enables an extended attribute handler for file security
-	  labels in the ext4 filesystem.
-
-	  If you are not using a security module that requires using
-	  extended attributes for file security labels, say N.
-
-config JBD
-	tristate
-	help
-	  This is a generic journalling layer for block devices.  It is
-	  currently used by the ext3 file system, but it could also be
-	  used to add journal support to other file systems or block
-	  devices such as RAID or LVM.
-
-	  If you are using the ext3 file system, you need to say Y here.
-	  If you are not using ext3 then you will probably want to say N.
-
-	  To compile this device as a module, choose M here: the module will be
-	  called jbd.  If you are compiling ext3 into the kernel, you
-	  cannot compile this code as a module.
-
-config JBD_DEBUG
-	bool "JBD (ext3) debugging support"
-	depends on JBD && DEBUG_FS
-	help
-	  If you are using the ext3 journaled file system (or potentially any
-	  other file system/device using JBD), this option allows you to
-	  enable debugging output while the system is running, in order to
-	  help track down any problems you are having.  By default the
-	  debugging output will be turned off.
-
-	  If you select Y here, then you will be able to turn on debugging
-	  with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a
-	  number between 1 and 5, the higher the number, the more debugging
-	  output is generated.  To turn debugging off again, do
-	  "echo 0 > /sys/kernel/debug/jbd/jbd-debug".
-
-config JBD2
-	tristate
-	select CRC32
-	help
-	  This is a generic journaling layer for block devices that support
-	  both 32-bit and 64-bit block numbers.  It is currently used by
-	  the ext4 and OCFS2 filesystems, but it could also be used to add
-	  journal support to other file systems or block devices such
-	  as RAID or LVM.
-
-	  If you are using ext4 or OCFS2, you need to say Y here.
-	  If you are not using ext4 or OCFS2 then you will
-	  probably want to say N.
-
-	  To compile this device as a module, choose M here. The module will be
-	  called jbd2.  If you are compiling ext4 or OCFS2 into the kernel,
-	  you cannot compile this code as a module.
-
-config JBD2_DEBUG
-	bool "JBD2 (ext4) debugging support"
-	depends on JBD2 && DEBUG_FS
-	help
-	  If you are using the ext4 journaled file system (or
-	  potentially any other filesystem/device using JBD2), this option
-	  allows you to enable debugging output while the system is running,
-	  in order to help track down any problems you are having.
-	  By default, the debugging output will be turned off.
-
-	  If you select Y here, then you will be able to turn on debugging
-	  with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a
-	  number between 1 and 5. The higher the number, the more debugging
-	  output is generated.  To turn debugging off again, do
-	  "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".
+source "fs/jbd/Kconfig"
+source "fs/jbd2/Kconfig"
 
 config FS_MBCACHE
 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
diff --git a/fs/ext2/Kconfig b/fs/ext2/Kconfig
new file mode 100644
index 00000000000..14a6780fd03
--- /dev/null
+++ b/fs/ext2/Kconfig
@@ -0,0 +1,55 @@
+config EXT2_FS
+	tristate "Second extended fs support"
+	help
+	  Ext2 is a standard Linux file system for hard disks.
+
+	  To compile this file system support as a module, choose M here: the
+	  module will be called ext2.
+
+	  If unsure, say Y.
+
+config EXT2_FS_XATTR
+	bool "Ext2 extended attributes"
+	depends on EXT2_FS
+	help
+	  Extended attributes are name:value pairs associated with inodes by
+	  the kernel or by users (see the attr(5) manual page, or visit
+	  <http://acl.bestbits.at/> for details).
+
+	  If unsure, say N.
+
+config EXT2_FS_POSIX_ACL
+	bool "Ext2 POSIX Access Control Lists"
+	depends on EXT2_FS_XATTR
+	select FS_POSIX_ACL
+	help
+	  Posix Access Control Lists (ACLs) support permissions for users and
+	  groups beyond the owner/group/world scheme.
+
+	  To learn more about Access Control Lists, visit the Posix ACLs for
+	  Linux website <http://acl.bestbits.at/>.
+
+	  If you don't know what Access Control Lists are, say N
+
+config EXT2_FS_SECURITY
+	bool "Ext2 Security Labels"
+	depends on EXT2_FS_XATTR
+	help
+	  Security labels support alternative access control models
+	  implemented by security modules like SELinux.  This option
+	  enables an extended attribute handler for file security
+	  labels in the ext2 filesystem.
+
+	  If you are not using a security module that requires using
+	  extended attributes for file security labels, say N.
+
+config EXT2_FS_XIP
+	bool "Ext2 execute in place support"
+	depends on EXT2_FS && MMU
+	help
+	  Execute in place can be used on memory-backed block devices. If you
+	  enable this option, you can select to mount block devices which are
+	  capable of this feature without using the page cache.
+
+	  If you do not use a block device that is capable of using this,
+	  or if unsure, say N.
diff --git a/fs/ext3/Kconfig b/fs/ext3/Kconfig
new file mode 100644
index 00000000000..8e0cfe44b0f
--- /dev/null
+++ b/fs/ext3/Kconfig
@@ -0,0 +1,67 @@
+config EXT3_FS
+	tristate "Ext3 journalling file system support"
+	select JBD
+	help
+	  This is the journalling version of the Second extended file system
+	  (often called ext3), the de facto standard Linux file system
+	  (method to organize files on a storage device) for hard disks.
+
+	  The journalling code included in this driver means you do not have
+	  to run e2fsck (file system checker) on your file systems after a
+	  crash.  The journal keeps track of any changes that were being made
+	  at the time the system crashed, and can ensure that your file system
+	  is consistent without the need for a lengthy check.
+
+	  Other than adding the journal to the file system, the on-disk format
+	  of ext3 is identical to ext2.  It is possible to freely switch
+	  between using the ext3 driver and the ext2 driver, as long as the
+	  file system has been cleanly unmounted, or e2fsck is run on the file
+	  system.
+
+	  To add a journal on an existing ext2 file system or change the
+	  behavior of ext3 file systems, you can use the tune2fs utility ("man
+	  tune2fs").  To modify attributes of files and directories on ext3
+	  file systems, use chattr ("man chattr").  You need to be using
+	  e2fsprogs version 1.20 or later in order to create ext3 journals
+	  (available at <http://sourceforge.net/projects/e2fsprogs/>).
+
+	  To compile this file system support as a module, choose M here: the
+	  module will be called ext3.
+
+config EXT3_FS_XATTR
+	bool "Ext3 extended attributes"
+	depends on EXT3_FS
+	default y
+	help
+	  Extended attributes are name:value pairs associated with inodes by
+	  the kernel or by users (see the attr(5) manual page, or visit
+	  <http://acl.bestbits.at/> for details).
+
+	  If unsure, say N.
+
+	  You need this for POSIX ACL support on ext3.
+
+config EXT3_FS_POSIX_ACL
+	bool "Ext3 POSIX Access Control Lists"
+	depends on EXT3_FS_XATTR
+	select FS_POSIX_ACL
+	help
+	  Posix Access Control Lists (ACLs) support permissions for users and
+	  groups beyond the owner/group/world scheme.
+
+	  To learn more about Access Control Lists, visit the Posix ACLs for
+	  Linux website <http://acl.bestbits.at/>.
+
+	  If you don't know what Access Control Lists are, say N
+
+config EXT3_FS_SECURITY
+	bool "Ext3 Security Labels"
+	depends on EXT3_FS_XATTR
+	help
+	  Security labels support alternative access control models
+	  implemented by security modules like SELinux.  This option
+	  enables an extended attribute handler for file security
+	  labels in the ext3 filesystem.
+
+	  If you are not using a security module that requires using
+	  extended attributes for file security labels, say N.
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
new file mode 100644
index 00000000000..7505482a08f
--- /dev/null
+++ b/fs/ext4/Kconfig
@@ -0,0 +1,79 @@
+config EXT4_FS
+	tristate "The Extended 4 (ext4) filesystem"
+	select JBD2
+	select CRC16
+	help
+	  This is the next generation of the ext3 filesystem.
+
+	  Unlike the change from ext2 filesystem to ext3 filesystem,
+	  the on-disk format of ext4 is not forwards compatible with
+	  ext3; it is based on extent maps and it supports 48-bit
+	  physical block numbers.  The ext4 filesystem also supports delayed
+	  allocation, persistent preallocation, high resolution time stamps,
+	  and a number of other features to improve performance and speed
+	  up fsck time.  For more information, please see the web pages at
+	  http://ext4.wiki.kernel.org.
+
+	  The ext4 filesystem will support mounting an ext3
+	  filesystem; while there will be some performance gains from
+	  the delayed allocation and inode table readahead, the best
+	  performance gains will require enabling ext4 features in the
+	  filesystem, or formating a new filesystem as an ext4
+	  filesystem initially.
+
+	  To compile this file system support as a module, choose M here. The
+	  module will be called ext4.
+
+	  If unsure, say N.
+
+config EXT4DEV_COMPAT
+	bool "Enable ext4dev compatibility"
+	depends on EXT4_FS
+	help
+	  Starting with 2.6.28, the name of the ext4 filesystem was
+	  renamed from ext4dev to ext4.  Unfortunately there are some
+	  legacy userspace programs (such as klibc's fstype) have
+	  "ext4dev" hardcoded.
+
+	  To enable backwards compatibility so that systems that are
+	  still expecting to mount ext4 filesystems using ext4dev,
+	  chose Y here.   This feature will go away by 2.6.31, so
+	  please arrange to get your userspace programs fixed!
+
+config EXT4_FS_XATTR
+	bool "Ext4 extended attributes"
+	depends on EXT4_FS
+	default y
+	help
+	  Extended attributes are name:value pairs associated with inodes by
+	  the kernel or by users (see the attr(5) manual page, or visit
+	  <http://acl.bestbits.at/> for details).
+
+	  If unsure, say N.
+
+	  You need this for POSIX ACL support on ext4.
+
+config EXT4_FS_POSIX_ACL
+	bool "Ext4 POSIX Access Control Lists"
+	depends on EXT4_FS_XATTR
+	select FS_POSIX_ACL
+	help
+	  POSIX Access Control Lists (ACLs) support permissions for users and
+	  groups beyond the owner/group/world scheme.
+
+	  To learn more about Access Control Lists, visit the POSIX ACLs for
+	  Linux website <http://acl.bestbits.at/>.
+
+	  If you don't know what Access Control Lists are, say N
+
+config EXT4_FS_SECURITY
+	bool "Ext4 Security Labels"
+	depends on EXT4_FS_XATTR
+	help
+	  Security labels support alternative access control models
+	  implemented by security modules like SELinux.  This option
+	  enables an extended attribute handler for file security
+	  labels in the ext4 filesystem.
+
+	  If you are not using a security module that requires using
+	  extended attributes for file security labels, say N.
diff --git a/fs/jbd/Kconfig b/fs/jbd/Kconfig
new file mode 100644
index 00000000000..4e28beeed15
--- /dev/null
+++ b/fs/jbd/Kconfig
@@ -0,0 +1,30 @@
+config JBD
+	tristate
+	help
+	  This is a generic journalling layer for block devices.  It is
+	  currently used by the ext3 file system, but it could also be
+	  used to add journal support to other file systems or block
+	  devices such as RAID or LVM.
+
+	  If you are using the ext3 file system, you need to say Y here.
+	  If you are not using ext3 then you will probably want to say N.
+
+	  To compile this device as a module, choose M here: the module will be
+	  called jbd.  If you are compiling ext3 into the kernel, you
+	  cannot compile this code as a module.
+
+config JBD_DEBUG
+	bool "JBD (ext3) debugging support"
+	depends on JBD && DEBUG_FS
+	help
+	  If you are using the ext3 journaled file system (or potentially any
+	  other file system/device using JBD), this option allows you to
+	  enable debugging output while the system is running, in order to
+	  help track down any problems you are having.  By default the
+	  debugging output will be turned off.
+
+	  If you select Y here, then you will be able to turn on debugging
+	  with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a
+	  number between 1 and 5, the higher the number, the more debugging
+	  output is generated.  To turn debugging off again, do
+	  "echo 0 > /sys/kernel/debug/jbd/jbd-debug".
diff --git a/fs/jbd2/Kconfig b/fs/jbd2/Kconfig
new file mode 100644
index 00000000000..f32f346f4b0
--- /dev/null
+++ b/fs/jbd2/Kconfig
@@ -0,0 +1,33 @@
+config JBD2
+	tristate
+	select CRC32
+	help
+	  This is a generic journaling layer for block devices that support
+	  both 32-bit and 64-bit block numbers.  It is currently used by
+	  the ext4 and OCFS2 filesystems, but it could also be used to add
+	  journal support to other file systems or block devices such
+	  as RAID or LVM.
+
+	  If you are using ext4 or OCFS2, you need to say Y here.
+	  If you are not using ext4 or OCFS2 then you will
+	  probably want to say N.
+
+	  To compile this device as a module, choose M here. The module will be
+	  called jbd2.  If you are compiling ext4 or OCFS2 into the kernel,
+	  you cannot compile this code as a module.
+
+config JBD2_DEBUG
+	bool "JBD2 (ext4) debugging support"
+	depends on JBD2 && DEBUG_FS
+	help
+	  If you are using the ext4 journaled file system (or
+	  potentially any other filesystem/device using JBD2), this option
+	  allows you to enable debugging output while the system is running,
+	  in order to help track down any problems you are having.
+	  By default, the debugging output will be turned off.
+
+	  If you select Y here, then you will be able to turn on debugging
+	  with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a
+	  number between 1 and 5. The higher the number, the more debugging
+	  output is generated.  To turn debugging off again, do
+	  "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".
-- 
GitLab


From 14121bdccc17b8c0e4368a9c0e4f82c3dd47f240 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Mon, 20 Oct 2008 14:45:22 -0400
Subject: [PATCH 1541/2224] cifs: make cifs_rename handle -EACCES errors

cifs: make cifs_rename handle -EACCES errors

Some servers seem to return -EACCES when attempting to rename one
open file on top of another. Refactor the cifs_rename logic to
attempt to rename the target file out of the way in this situation.

This also fixes the "unlink_target" logic to be undoable if the
subsequent rename fails.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/inode.c | 174 +++++++++++++++++++++++++++++++++---------------
 1 file changed, 122 insertions(+), 52 deletions(-)

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 23cca214ede..8ac4eabc1f8 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1285,22 +1285,24 @@ cifs_do_rename(int xid, struct dentry *from_dentry, const char *fromPath,
 	return rc;
 }
 
-int cifs_rename(struct inode *source_inode, struct dentry *source_direntry,
-	struct inode *target_inode, struct dentry *target_direntry)
+int cifs_rename(struct inode *source_dir, struct dentry *source_dentry,
+	struct inode *target_dir, struct dentry *target_dentry)
 {
 	char *fromName = NULL;
 	char *toName = NULL;
 	struct cifs_sb_info *cifs_sb_source;
 	struct cifs_sb_info *cifs_sb_target;
-	struct cifsTconInfo *pTcon;
+	struct cifsTconInfo *tcon;
+	struct cifsInodeInfo *target_cinode;
 	FILE_UNIX_BASIC_INFO *info_buf_source = NULL;
 	FILE_UNIX_BASIC_INFO *info_buf_target;
-	int xid;
-	int rc;
+	__u16 dstfid;
+	int xid, rc, tmprc, oplock = 0;
+	bool delete_already_pending;
 
-	cifs_sb_target = CIFS_SB(target_inode->i_sb);
-	cifs_sb_source = CIFS_SB(source_inode->i_sb);
-	pTcon = cifs_sb_source->tcon;
+	cifs_sb_target = CIFS_SB(target_dir->i_sb);
+	cifs_sb_source = CIFS_SB(source_dir->i_sb);
+	tcon = cifs_sb_source->tcon;
 
 	xid = GetXid();
 
@@ -1308,7 +1310,7 @@ int cifs_rename(struct inode *source_inode, struct dentry *source_direntry,
 	 * BB: this might be allowed if same server, but different share.
 	 * Consider adding support for this
 	 */
-	if (pTcon != cifs_sb_target->tcon) {
+	if (tcon != cifs_sb_target->tcon) {
 		rc = -EXDEV;
 		goto cifs_rename_exit;
 	}
@@ -1317,65 +1319,133 @@ int cifs_rename(struct inode *source_inode, struct dentry *source_direntry,
 	 * we already have the rename sem so we do not need to
 	 * grab it again here to protect the path integrity
 	 */
-	fromName = build_path_from_dentry(source_direntry);
+	fromName = build_path_from_dentry(source_dentry);
 	if (fromName == NULL) {
 		rc = -ENOMEM;
 		goto cifs_rename_exit;
 	}
 
-	toName = build_path_from_dentry(target_direntry);
+	toName = build_path_from_dentry(target_dentry);
 	if (toName == NULL) {
 		rc = -ENOMEM;
 		goto cifs_rename_exit;
 	}
 
-	rc = cifs_do_rename(xid, source_direntry, fromName,
-			    target_direntry, toName);
+	rc = cifs_do_rename(xid, source_dentry, fromName,
+			    target_dentry, toName);
 
-	if (rc == -EEXIST) {
-		if (pTcon->unix_ext) {
-			/*
-			 * Are src and dst hardlinks of same inode? We can
-			 * only tell with unix extensions enabled
-			 */
-			info_buf_source =
-				kmalloc(2 * sizeof(FILE_UNIX_BASIC_INFO),
-						GFP_KERNEL);
-			if (info_buf_source == NULL)
-				goto unlink_target;
-
-			info_buf_target = info_buf_source + 1;
-			rc = CIFSSMBUnixQPathInfo(xid, pTcon, fromName,
-						info_buf_source,
-						cifs_sb_source->local_nls,
-						cifs_sb_source->mnt_cifs_flags &
-						CIFS_MOUNT_MAP_SPECIAL_CHR);
-			if (rc != 0)
-				goto unlink_target;
-
-			rc = CIFSSMBUnixQPathInfo(xid, pTcon,
-						toName, info_buf_target,
-						cifs_sb_target->local_nls,
-						/* remap based on source sb */
-						cifs_sb_source->mnt_cifs_flags &
-						CIFS_MOUNT_MAP_SPECIAL_CHR);
+	if (rc == -EEXIST && tcon->unix_ext) {
+		/*
+		 * Are src and dst hardlinks of same inode? We can
+		 * only tell with unix extensions enabled
+		 */
+		info_buf_source =
+			kmalloc(2 * sizeof(FILE_UNIX_BASIC_INFO),
+					GFP_KERNEL);
+		if (info_buf_source == NULL) {
+			rc = -ENOMEM;
+			goto cifs_rename_exit;
+		}
+
+		info_buf_target = info_buf_source + 1;
+		rc = CIFSSMBUnixQPathInfo(xid, tcon, fromName,
+					info_buf_source,
+					cifs_sb_source->local_nls,
+					cifs_sb_source->mnt_cifs_flags &
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
+		if (rc != 0)
+			goto unlink_target;
 
-			if (rc == 0 && (info_buf_source->UniqueId ==
-					info_buf_target->UniqueId))
-				/* same file, POSIX says that this is a noop */
-				goto cifs_rename_exit;
-		} /* else ... BB we could add the same check for Windows by
+		rc = CIFSSMBUnixQPathInfo(xid, tcon,
+					toName, info_buf_target,
+					cifs_sb_target->local_nls,
+					/* remap based on source sb */
+					cifs_sb_source->mnt_cifs_flags &
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
+
+		if (rc == 0 && (info_buf_source->UniqueId ==
+				info_buf_target->UniqueId))
+			/* same file, POSIX says that this is a noop */
+			goto cifs_rename_exit;
+
+		rc = -EEXIST;
+	} /* else ... BB we could add the same check for Windows by
 		     checking the UniqueId via FILE_INTERNAL_INFO */
+
+	if ((rc == -EACCES) || (rc == -EEXIST)) {
 unlink_target:
+		/* don't bother if this is a negative dentry */
+		if (!target_dentry->d_inode)
+			goto cifs_rename_exit;
+
+		target_cinode = CIFS_I(target_dentry->d_inode);
+
+		/* try to move the target out of the way */
+		tmprc = CIFSSMBOpen(xid, tcon, toName, FILE_OPEN, DELETE,
+				    CREATE_NOT_DIR, &dstfid, &oplock, NULL,
+				    cifs_sb_target->local_nls,
+				    cifs_sb_target->mnt_cifs_flags &
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
+		if (tmprc)
+			goto cifs_rename_exit;
+
+		/* rename the file to random name */
+		tmprc = CIFSSMBRenameOpenFile(xid, tcon, dstfid, NULL,
+					      cifs_sb_target->local_nls,
+					      cifs_sb_target->mnt_cifs_flags &
+						CIFS_MOUNT_MAP_SPECIAL_CHR);
+
+		if (tmprc)
+			goto close_target;
+
+		delete_already_pending = target_cinode->delete_pending;
+
+		if (!delete_already_pending) {
+			/* set delete on close */
+			tmprc = CIFSSMBSetFileDisposition(xid, tcon,
+							  true, dstfid,
+							  current->tgid);
+			/*
+			 * This hack is for broken samba servers, remove this
+			 * once more fixed ones are in the field.
+			 */
+			if (tmprc == -ENOENT)
+				delete_already_pending = false;
+			else if (tmprc)
+				goto undo_target_rename;
+
+			target_cinode->delete_pending = true;
+		}
+
+
+		rc = cifs_do_rename(xid, source_dentry, fromName,
+				    target_dentry, toName);
+
+		if (rc == 0)
+			goto close_target;
+
 		/*
-		 * we either can not tell the files are hardlinked (as with
-		 * Windows servers) or files are not hardlinked. Delete the
-		 * target manually before renaming to follow POSIX rather than
-		 * Windows semantics
+		 * after this point, we can't bother with error handling on
+		 * the undo's. This is best effort since we can't do anything
+		 * about failures here.
 		 */
-		cifs_unlink(target_inode, target_direntry);
-		rc = cifs_do_rename(xid, source_direntry, fromName,
-				    target_direntry, toName);
+		if (!delete_already_pending) {
+			tmprc = CIFSSMBSetFileDisposition(xid, tcon,
+							  false, dstfid,
+							  current->tgid);
+			if (tmprc == 0)
+				target_cinode->delete_pending = false;
+		}
+
+undo_target_rename:
+		/* rename failed: undo target rename */
+		CIFSSMBRenameOpenFile(xid, tcon, dstfid,
+				      target_dentry->d_name.name,
+				      cifs_sb_target->local_nls,
+				      cifs_sb_target->mnt_cifs_flags &
+					CIFS_MOUNT_MAP_SPECIAL_CHR);
+close_target:
+		CIFSSMBClose(xid, tcon, dstfid);
 	}
 
 cifs_rename_exit:
-- 
GitLab


From f4432c5caec5fa95ea7eefd00f8e6cee17e2e023 Mon Sep 17 00:00:00 2001
From: Dave Jones <davej@redhat.com>
Date: Mon, 20 Oct 2008 13:31:45 -0400
Subject: [PATCH 1542/2224] Update email addresses.

Update assorted email addresses and related info to point
to a single current, valid address.

additionally
- trivial CREDITS entry updates. (Not that this file means much any more)
- remove arjans dead redhat.com address from powernow driver

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 CREDITS                                     | 12 ++++++------
 MAINTAINERS                                 |  2 +-
 arch/x86/kernel/cpu/cpufreq/longhaul.c      |  4 ++--
 arch/x86/kernel/cpu/cpufreq/powernow-k6.c   |  2 +-
 arch/x86/kernel/cpu/cpufreq/powernow-k7.c   |  4 ++--
 arch/x86/kernel/cpu/cpufreq/powernow-k8.c   |  2 +-
 arch/x86/kernel/cpu/cpufreq/speedstep-ich.c |  2 +-
 arch/x86/kernel/cpu/mcheck/k7.c             |  4 ++--
 arch/x86/kernel/cpu/mcheck/mce_32.c         |  2 +-
 arch/x86/kernel/cpu/mcheck/non-fatal.c      |  2 +-
 drivers/char/agp/ali-agp.c                  |  2 +-
 drivers/char/agp/amd64-agp.c                |  2 +-
 drivers/char/agp/ati-agp.c                  |  2 +-
 drivers/char/agp/backend.c                  |  2 +-
 drivers/char/agp/intel-agp.c                |  2 +-
 drivers/char/agp/nvidia-agp.c               |  2 +-
 drivers/char/agp/via-agp.c                  |  2 +-
 scripts/checkpatch.pl                       |  2 +-
 18 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/CREDITS b/CREDITS
index c62dcb3b7e2..2358846f06b 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1653,14 +1653,14 @@ S: Chapel Hill, North Carolina 27514-4818
 S: USA
 
 N: Dave Jones
-E: davej@codemonkey.org.uk
+E: davej@redhat.com
 W: http://www.codemonkey.org.uk
-D: x86 errata/setup maintenance.
-D: AGPGART driver.
+D: Assorted VIA x86 support.
+D: 2.5 AGPGART overhaul.
 D: CPUFREQ maintenance.
-D: Backport/Forwardport merge monkey.
-D: Various Janitor work.
-S: United Kingdom
+D: Fedora kernel maintainence.
+D: Misc/Other.
+S: 314 Littleton Rd, Westford, MA 01886, USA
 
 N: Martin Josfsson
 E: gandalf@wlug.westbo.se
diff --git a/MAINTAINERS b/MAINTAINERS
index 355c192d699..5c3f79c2638 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1198,7 +1198,7 @@ S:	Maintained
 
 CPU FREQUENCY DRIVERS
 P:	Dave Jones
-M:	davej@codemonkey.org.uk
+M:	davej@redhat.com
 L:	cpufreq@vger.kernel.org
 W:	http://www.codemonkey.org.uk/projects/cpufreq/
 T:	git kernel.org/pub/scm/linux/kernel/git/davej/cpufreq.git
diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c
index 06fcce516d5..b0461856acf 100644
--- a/arch/x86/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c
@@ -1,5 +1,5 @@
 /*
- *  (C) 2001-2004  Dave Jones. <davej@codemonkey.org.uk>
+ *  (C) 2001-2004  Dave Jones. <davej@redhat.com>
  *  (C) 2002  Padraig Brady. <padraig@antefacto.com>
  *
  *  Licensed under the terms of the GNU GPL License version 2.
@@ -1019,7 +1019,7 @@ MODULE_PARM_DESC(scale_voltage, "Scale voltage of processor");
 module_param(revid_errata, int, 0644);
 MODULE_PARM_DESC(revid_errata, "Ignore CPU Revision ID");
 
-MODULE_AUTHOR ("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR ("Dave Jones <davej@redhat.com>");
 MODULE_DESCRIPTION ("Longhaul driver for VIA Cyrix processors.");
 MODULE_LICENSE ("GPL");
 
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
index b5ced806a31..c1ac5790c63 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
@@ -246,7 +246,7 @@ static void __exit powernow_k6_exit(void)
 }
 
 
-MODULE_AUTHOR("Arjan van de Ven <arjanv@redhat.com>, Dave Jones <davej@codemonkey.org.uk>, Dominik Brodowski <linux@brodo.de>");
+MODULE_AUTHOR("Arjan van de Ven, Dave Jones <davej@redhat.com>, Dominik Brodowski <linux@brodo.de>");
 MODULE_DESCRIPTION("PowerNow! driver for AMD K6-2+ / K6-3+ processors.");
 MODULE_LICENSE("GPL");
 
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
index 0a61159d7b7..7c7d56b4313 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
@@ -1,6 +1,6 @@
 /*
  *  AMD K7 Powernow driver.
- *  (C) 2003 Dave Jones <davej@codemonkey.org.uk> on behalf of SuSE Labs.
+ *  (C) 2003 Dave Jones on behalf of SuSE Labs.
  *  (C) 2003-2004 Dave Jones <davej@redhat.com>
  *
  *  Licensed under the terms of the GNU GPL License version 2.
@@ -692,7 +692,7 @@ static void __exit powernow_exit (void)
 module_param(acpi_force,  int, 0444);
 MODULE_PARM_DESC(acpi_force, "Force ACPI to be used.");
 
-MODULE_AUTHOR ("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR ("Dave Jones <davej@redhat.com>");
 MODULE_DESCRIPTION ("Powernow driver for AMD K7 processors.");
 MODULE_LICENSE ("GPL");
 
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 84bb395038d..008d23ba491 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -7,7 +7,7 @@
  *  Support : mark.langsdorf@amd.com
  *
  *  Based on the powernow-k7.c module written by Dave Jones.
- *  (C) 2003 Dave Jones <davej@codemonkey.org.uk> on behalf of SuSE Labs
+ *  (C) 2003 Dave Jones on behalf of SuSE Labs
  *  (C) 2004 Dominik Brodowski <linux@brodo.de>
  *  (C) 2004 Pavel Machek <pavel@suse.cz>
  *  Licensed under the terms of the GNU GPL License version 2.
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 191f7263c61..04d0376b64b 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -431,7 +431,7 @@ static void __exit speedstep_exit(void)
 }
 
 
-MODULE_AUTHOR ("Dave Jones <davej@codemonkey.org.uk>, Dominik Brodowski <linux@brodo.de>");
+MODULE_AUTHOR ("Dave Jones <davej@redhat.com>, Dominik Brodowski <linux@brodo.de>");
 MODULE_DESCRIPTION ("Speedstep driver for Intel mobile processors on chipsets with ICH-M southbridges.");
 MODULE_LICENSE ("GPL");
 
diff --git a/arch/x86/kernel/cpu/mcheck/k7.c b/arch/x86/kernel/cpu/mcheck/k7.c
index f390c9f6635..dd3af6e7b39 100644
--- a/arch/x86/kernel/cpu/mcheck/k7.c
+++ b/arch/x86/kernel/cpu/mcheck/k7.c
@@ -1,6 +1,6 @@
 /*
- * Athlon/Hammer specific Machine Check Exception Reporting
- * (C) Copyright 2002 Dave Jones <davej@codemonkey.org.uk>
+ * Athlon specific Machine Check Exception Reporting
+ * (C) Copyright 2002 Dave Jones <davej@redhat.com>
  */
 
 #include <linux/init.h>
diff --git a/arch/x86/kernel/cpu/mcheck/mce_32.c b/arch/x86/kernel/cpu/mcheck/mce_32.c
index 774d87cfd8c..0ebf3fc6a61 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_32.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_32.c
@@ -1,6 +1,6 @@
 /*
  * mce.c - x86 Machine Check Exception Reporting
- * (c) 2002 Alan Cox <alan@redhat.com>, Dave Jones <davej@codemonkey.org.uk>
+ * (c) 2002 Alan Cox <alan@redhat.com>, Dave Jones <davej@redhat.com>
  */
 
 #include <linux/init.h>
diff --git a/arch/x86/kernel/cpu/mcheck/non-fatal.c b/arch/x86/kernel/cpu/mcheck/non-fatal.c
index cc1fccdd31e..a74af128efc 100644
--- a/arch/x86/kernel/cpu/mcheck/non-fatal.c
+++ b/arch/x86/kernel/cpu/mcheck/non-fatal.c
@@ -1,7 +1,7 @@
 /*
  * Non Fatal Machine Check Exception Reporting
  *
- * (C) Copyright 2002 Dave Jones. <davej@codemonkey.org.uk>
+ * (C) Copyright 2002 Dave Jones. <davej@redhat.com>
  *
  * This file contains routines to check for non-fatal MCEs every 15s
  *
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 31dcd9142d5..dc8d1a90971 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -417,6 +417,6 @@ static void __exit agp_ali_cleanup(void)
 module_init(agp_ali_init);
 module_exit(agp_ali_cleanup);
 
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
 MODULE_LICENSE("GPL and additional rights");
 
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 2812ee2b165..52f4361eb6e 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -772,6 +772,6 @@ module_init(agp_amd64_init);
 module_exit(agp_amd64_cleanup);
 #endif
 
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>, Andi Kleen");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>, Andi Kleen");
 module_param(agp_try_unsupported, bool, 0);
 MODULE_LICENSE("GPL");
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index ae2791b926b..f1537eece07 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -561,6 +561,6 @@ static void __exit agp_ati_cleanup(void)
 module_init(agp_ati_init);
 module_exit(agp_ati_cleanup);
 
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
 MODULE_LICENSE("GPL and additional rights");
 
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 3a3cc03d401..8c617ad7497 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -349,7 +349,7 @@ static __init int agp_setup(char *s)
 __setup("agp=", agp_setup);
 #endif
 
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
 MODULE_DESCRIPTION("AGP GART driver");
 MODULE_LICENSE("GPL and additional rights");
 MODULE_ALIAS_MISCDEV(AGPGART_MINOR);
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 1108665913e..9cf6e9bb017 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -2390,5 +2390,5 @@ static void __exit agp_intel_cleanup(void)
 module_init(agp_intel_init);
 module_exit(agp_intel_cleanup);
 
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
 MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 5bbed3d79db..16acee2de11 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -1,7 +1,7 @@
 /*
  * Nvidia AGPGART routines.
  * Based upon a 2.4 agpgart diff by the folks from NVIDIA, and hacked up
- * to work in 2.5 by Dave Jones <davej@codemonkey.org.uk>
+ * to work in 2.5 by Dave Jones <davej@redhat.com>
  */
 
 #include <linux/module.h>
diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c
index 9f4d49e1b59..d3bd243867f 100644
--- a/drivers/char/agp/via-agp.c
+++ b/drivers/char/agp/via-agp.c
@@ -595,4 +595,4 @@ module_init(agp_via_init);
 module_exit(agp_via_cleanup);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
+MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e30bac141b2..f88bb3e21cd 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# (c) 2001, Dave Jones. <davej@codemonkey.org.uk> (the file handling bit)
+# (c) 2001, Dave Jones. <davej@redhat.com> (the file handling bit)
 # (c) 2005, Joel Schopp <jschopp@austin.ibm.com> (the ugly bit)
 # (c) 2007, Andy Whitcroft <apw@uk.ibm.com> (new conditions, test suite, etc)
 # Licensed under the terms of the GNU GPL License version 2
-- 
GitLab


From f07767fd0f95c385108fa4c456a9cb216a424fec Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Mon, 20 Oct 2008 10:23:38 -0700
Subject: [PATCH 1543/2224] byteorder: remove direct includes of
 linux/byteorder/swab[b].h

A consolidated implementation will provide this generically through
asm/byteorder, remove direct includes to avoid breakage when the
changeover to the new implementation occurs.

This hunk was lost from commit 1d8cca44b6a244b7e378546d719041819049a0f9
("byteorder: provide swabb.h generically in asm/byteorder.h")

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/rcutorture.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 90b5b123f7a..85cb90588a5 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -42,10 +42,10 @@
 #include <linux/freezer.h>
 #include <linux/cpu.h>
 #include <linux/delay.h>
-#include <linux/byteorder/swabb.h>
 #include <linux/stat.h>
 #include <linux/srcu.h>
 #include <linux/slab.h>
+#include <asm/byteorder.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Paul E. McKenney <paulmck@us.ibm.com> and "
-- 
GitLab


From 1ae87786800b5e0411847974b211797b6ada63c4 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 20 Oct 2008 14:14:25 -0700
Subject: [PATCH 1544/2224] Fix sprintf format warnings in drm_proc.c

Use "%zd" for size_t, and make sure to have a space between the numbers
instead of depending on the field width.

I don't like warnings in my default targeted build.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpu/drm/drm_proc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index d490db4c0de..ae73b7f7249 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -522,12 +522,12 @@ static int drm_gem_one_name_info(int id, void *ptr, void *data)
 	struct drm_gem_object *obj = ptr;
 	struct drm_gem_name_info_data   *nid = data;
 
-	DRM_INFO("name %d size %d\n", obj->name, obj->size);
+	DRM_INFO("name %d size %zd\n", obj->name, obj->size);
 	if (nid->eof)
 		return 0;
 
 	nid->len += sprintf(&nid->buf[nid->len],
-			    "%6d%9d%8d%9d\n",
+			    "%6d %8zd %7d %8d\n",
 			    obj->name, obj->size,
 			    atomic_read(&obj->handlecount.refcount),
 			    atomic_read(&obj->refcount.refcount));
-- 
GitLab


From 9b7530cc329eb036cfa589930c270e85031f554c Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 20 Oct 2008 14:16:43 -0700
Subject: [PATCH 1545/2224] i915: cleanup coding horrors in
 i915_gem_gtt_pwrite()

Yes, this will probably be switched over to a cleaner model anyway, but
in the meantime I don't want to see the 'unused variable' warnings that
come from the disgusting #ifdef code.  Make the special case be a nice
inlien function of its own, clean up the code, and make the warning go
away.

I wish people didn't write code that gets (valid) warnings from the
compiler, but I'll limit my fixes to code that I actually care about (in
this case just because I see the warning and it annoys me).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpu/drm/i915/i915_gem.c | 59 ++++++++++++++++++++-------------
 1 file changed, 36 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9ac73dd1b42..49c5a1798ac 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -171,6 +171,36 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
+/*
+ * Try to write quickly with an atomic kmap. Return true on success.
+ *
+ * If this fails (which includes a partial write), we'll redo the whole
+ * thing with the slow version.
+ *
+ * This is a workaround for the low performance of iounmap (approximate
+ * 10% cpu cost on normal 3D workloads).  kmap_atomic on HIGHMEM kernels
+ * happens to let us map card memory without taking IPIs.  When the vmap
+ * rework lands we should be able to dump this hack.
+ */
+static inline int fast_user_write(unsigned long pfn, char __user *user_data, int l)
+{
+#ifdef CONFIG_HIGHMEM
+	unsigned long unwritten;
+	char *vaddr_atomic;
+
+	vaddr_atomic = kmap_atomic_pfn(pfn, KM_USER0);
+#if WATCH_PWRITE
+	DRM_INFO("pwrite i %d o %d l %d pfn %ld vaddr %p\n",
+		 i, o, l, pfn, vaddr_atomic);
+#endif
+	unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + o, user_data, l);
+	kunmap_atomic(vaddr_atomic, KM_USER0);
+	return !unwritten;
+#else
+	return 0;
+#endif
+}
+
 static int
 i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 		    struct drm_i915_gem_pwrite *args,
@@ -180,12 +210,7 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 	ssize_t remain;
 	loff_t offset;
 	char __user *user_data;
-	char __iomem *vaddr;
-	char *vaddr_atomic;
-	int i, o, l;
 	int ret = 0;
-	unsigned long pfn;
-	unsigned long unwritten;
 
 	user_data = (char __user *) (uintptr_t) args->data_ptr;
 	remain = args->size;
@@ -209,6 +234,9 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 	obj_priv->dirty = 1;
 
 	while (remain > 0) {
+		unsigned long pfn;
+		int i, o, l;
+
 		/* Operation in this page
 		 *
 		 * i = page number
@@ -223,25 +251,10 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 
 		pfn = (dev->agp->base >> PAGE_SHIFT) + i;
 
-#ifdef CONFIG_HIGHMEM
-		/* This is a workaround for the low performance of iounmap
-		 * (approximate 10% cpu cost on normal 3D workloads).
-		 * kmap_atomic on HIGHMEM kernels happens to let us map card
-		 * memory without taking IPIs.  When the vmap rework lands
-		 * we should be able to dump this hack.
-		 */
-		vaddr_atomic = kmap_atomic_pfn(pfn, KM_USER0);
-#if WATCH_PWRITE
-		DRM_INFO("pwrite i %d o %d l %d pfn %ld vaddr %p\n",
-			 i, o, l, pfn, vaddr_atomic);
-#endif
-		unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + o,
-							      user_data, l);
-		kunmap_atomic(vaddr_atomic, KM_USER0);
+		if (!fast_user_write(pfn, user_data, l)) {
+			unsigned long unwritten;
+			char __iomem *vaddr;
 
-		if (unwritten)
-#endif /* CONFIG_HIGHMEM */
-		{
 			vaddr = ioremap_wc(pfn << PAGE_SHIFT, PAGE_SIZE);
 #if WATCH_PWRITE
 			DRM_INFO("pwrite slow i %d o %d l %d "
-- 
GitLab


From a9b6148d25f15ddfe9d7a7f3e526fdb64e7cf7da Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 20 Oct 2008 14:23:29 -0700
Subject: [PATCH 1546/2224] USB: Fix unused label warnings in
 drivers/usb/host/ehci-hcd.c

This gets rid of an annoying warning in ehci-hcd.c when DEBUG isn't
enabled:

    warning: label 'err_debug' defined but not used

by moving it inside the already-existing #ifdef DEBUG, so that it
matches the goto.  And now my regular build is warning-free again.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/usb/host/ehci-hcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index d343afacb0b..15a803b206b 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1111,8 +1111,8 @@ clean0:
 #ifdef DEBUG
 	debugfs_remove(ehci_debug_root);
 	ehci_debug_root = NULL;
-#endif
 err_debug:
+#endif
 	clear_bit(USB_EHCI_LOADED, &usb_hcds_loaded);
 	return retval;
 }
-- 
GitLab


From 9e84561c8c8671d9e58d1893cc524a71b20c9183 Mon Sep 17 00:00:00 2001
From: Mike Rapoport <mike@compulab.co.il>
Date: Mon, 13 Oct 2008 09:06:10 +0100
Subject: [PATCH 1547/2224] leds: da903x: Add support for LEDs found on
 DA9030/DA9034

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/Kconfig       |   7 ++
 drivers/leds/Makefile      |   1 +
 drivers/leds/leds-da903x.c | 175 +++++++++++++++++++++++++++++++++++++
 3 files changed, 183 insertions(+)
 create mode 100644 drivers/leds/leds-da903x.c

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index e3e40427e00..14bb57b1659 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -157,6 +157,13 @@ config LEDS_PCA955X
 	  LED driver chips accessed via the I2C bus.  Supported
 	  devices include PCA9550, PCA9551, PCA9552, and PCA9553.
 
+config LEDS_DA903X
+	tristate "LED Support for DA9030/DA9034 PMIC"
+	depends on LEDS_CLASS && PMIC_DA903X
+	help
+	  This option enables support for on-chip LED drivers found
+	  on Dialog Semiconductor DA9030/DA9034 PMICs.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index eb186c351a1..e8714ad3fff 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_LEDS_CLEVO_MAIL)		+= leds-clevo-mail.o
 obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o
 obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o
 obj-$(CONFIG_LEDS_PCA955X)		+= leds-pca955x.o
+obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
diff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c
new file mode 100644
index 00000000000..f1fddb18d70
--- /dev/null
+++ b/drivers/leds/leds-da903x.c
@@ -0,0 +1,175 @@
+/*
+ * LEDs driver for Dialog Semiconductor DA9030/DA9034
+ *
+ * Copyright (C) 2008 Compulab, Ltd.
+ * 	Mike Rapoport <mike@compulab.co.il>
+ *
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ * 	Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/mfd/da903x.h>
+
+#define DA9030_LED1_CONTROL	0x20
+#define DA9030_LED2_CONTROL	0x21
+#define DA9030_LED3_CONTROL	0x22
+#define DA9030_LED4_CONTROL	0x23
+#define DA9030_LEDPC_CONTROL	0x24
+#define DA9030_MISC_CONTROL_A	0x26	/* Vibrator Control */
+
+#define DA9034_LED1_CONTROL	0x35
+#define DA9034_LED2_CONTROL	0x36
+#define DA9034_VIBRA		0x40
+
+struct da903x_led {
+	struct led_classdev	cdev;
+	struct work_struct	work;
+	struct device		*master;
+	enum led_brightness	new_brightness;
+	int			id;
+	int			flags;
+};
+
+#define DA9030_LED_OFFSET(id)	((id) - DA9030_ID_LED_1)
+#define DA9034_LED_OFFSET(id)	((id) - DA9034_ID_LED_1)
+
+static void da903x_led_work(struct work_struct *work)
+{
+	struct da903x_led *led = container_of(work, struct da903x_led, work);
+	uint8_t val;
+	int offset;
+
+	switch (led->id) {
+	case DA9030_ID_LED_1:
+	case DA9030_ID_LED_2:
+	case DA9030_ID_LED_3:
+	case DA9030_ID_LED_4:
+	case DA9030_ID_LED_PC:
+		offset = DA9030_LED_OFFSET(led->id);
+		val = led->flags & ~0x87;
+		val |= (led->new_brightness) ? 0x80 : 0; /* EN bit */
+		val |= (led->new_brightness >> 5) & 0x7; /* PWM<2:0> */
+		da903x_write(led->master, DA9030_LED1_CONTROL + offset, val);
+		break;
+	case DA9030_ID_VIBRA:
+		val = led->flags & ~0x80;
+		val |= (led->new_brightness) ? 0x80 : 0; /* EN bit */
+		da903x_write(led->master, DA9030_MISC_CONTROL_A, val);
+		break;
+	case DA9034_ID_LED_1:
+	case DA9034_ID_LED_2:
+		offset = DA9034_LED_OFFSET(led->id);
+		val = (led->new_brightness * 0x5f / LED_FULL) & 0x7f;
+		val |= (led->flags & DA9034_LED_RAMP) ? 0x80 : 0;
+		da903x_write(led->master, DA9034_LED1_CONTROL + offset, val);
+		break;
+	case DA9034_ID_VIBRA:
+		val = led->new_brightness & 0xfe;
+		da903x_write(led->master, DA9034_VIBRA, val);
+		break;
+	}
+}
+
+static void da903x_led_set(struct led_classdev *led_cdev,
+			   enum led_brightness value)
+{
+	struct da903x_led *led;
+	
+	led = container_of(led_cdev, struct da903x_led, cdev);
+	led->new_brightness = value;
+	schedule_work(&led->work);
+}
+
+static int __devinit da903x_led_probe(struct platform_device *pdev)
+{
+	struct led_info *pdata = pdev->dev.platform_data;
+	struct da903x_led *led;
+	int id, ret;
+
+	if (pdata == NULL)
+		return 0;
+
+	id = pdev->id;
+
+	if (!((id >= DA9030_ID_LED_1 && id <= DA9030_ID_VIBRA) ||
+	      (id >= DA9034_ID_LED_1 && id <= DA9034_ID_VIBRA))) {
+		dev_err(&pdev->dev, "invalid LED ID (%d) specified\n", id);
+		return -EINVAL;
+	}
+
+	led = kzalloc(sizeof(struct da903x_led), GFP_KERNEL);
+	if (led == NULL) {
+		dev_err(&pdev->dev, "failed to alloc memory for LED%d\n", id);
+		return -ENOMEM;
+	}
+
+	led->cdev.name = pdata->name;
+	led->cdev.default_trigger = pdata->default_trigger;
+	led->cdev.brightness_set = da903x_led_set;
+	led->cdev.brightness = LED_OFF;
+
+	led->id = id;
+	led->flags = pdata->flags;
+	led->master = pdev->dev.parent;
+	led->new_brightness = LED_OFF;
+
+	INIT_WORK(&led->work, da903x_led_work);
+
+	ret = led_classdev_register(led->master, &led->cdev);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to register LED %d\n", id);
+		goto err;
+	}
+
+	platform_set_drvdata(pdev, led);
+	return 0;
+
+err:
+	kfree(led);
+	return ret;
+}
+
+static int __devexit da903x_led_remove(struct platform_device *pdev)
+{
+	struct da903x_led *led = platform_get_drvdata(pdev);
+
+	led_classdev_unregister(&led->cdev);
+	kfree(led);
+	return 0;
+}
+
+static struct platform_driver da903x_led_driver = {
+	.driver	= {
+		.name	= "da903x-led",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= da903x_led_probe,
+	.remove		= __devexit_p(da903x_led_remove),
+};
+
+static int __init da903x_led_init(void)
+{
+	return platform_driver_register(&da903x_led_driver);
+}
+module_init(da903x_led_init);
+
+static void __exit da903x_led_exit(void)
+{
+	platform_driver_unregister(&da903x_led_driver);
+}
+module_exit(da903x_led_exit);
+
+MODULE_DESCRIPTION("LEDs driver for Dialog Semiconductor DA9030/DA9034");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
+	      "Mike Rapoport <mike@compulab.co.il>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da903x-led");
-- 
GitLab


From 132e9306beedd049bc5de037f1996731a2ca3eed Mon Sep 17 00:00:00 2001
From: Rodolfo Giometti <giometti@linux.it>
Date: Mon, 13 Oct 2008 09:25:24 +0100
Subject: [PATCH 1548/2224] leds: Add backlight LED trigger

This allows LEDs to be controlled as a backlight device where
they turn off and on when the display is blanked and unblanked.
This is useful where you need various key backlight LEDs to
dim at the same time as the backlight.

Signed-off-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/Kconfig             |   9 +++
 drivers/leds/Makefile            |   1 +
 drivers/leds/ledtrig-backlight.c | 110 +++++++++++++++++++++++++++++++
 3 files changed, 120 insertions(+)
 create mode 100644 drivers/leds/ledtrig-backlight.c

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 14bb57b1659..2a72ce5c6d1 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -200,6 +200,15 @@ config LEDS_TRIGGER_HEARTBEAT
 	  load average.
 	  If unsure, say Y.
 
+config LEDS_TRIGGER_BACKLIGHT
+	tristate "LED backlight Trigger"
+	depends on LEDS_TRIGGERS
+	help
+	  This allows LEDs to be controlled as a backlight device: they
+	  turn off and on when the display is blanked and unblanked.
+
+	  If unsure, say N.
+
 config LEDS_TRIGGER_DEFAULT_ON
 	tristate "LED Default ON Trigger"
 	depends on LEDS_TRIGGERS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index e8714ad3fff..07d937f4651 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -28,4 +28,5 @@ obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
 obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK)	+= ledtrig-ide-disk.o
 obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT)	+= ledtrig-heartbeat.o
+obj-$(CONFIG_LEDS_TRIGGER_BACKLIGHT)	+= ledtrig-backlight.o
 obj-$(CONFIG_LEDS_TRIGGER_DEFAULT_ON)	+= ledtrig-default-on.o
diff --git a/drivers/leds/ledtrig-backlight.c b/drivers/leds/ledtrig-backlight.c
new file mode 100644
index 00000000000..d3dfcfb417b
--- /dev/null
+++ b/drivers/leds/ledtrig-backlight.c
@@ -0,0 +1,110 @@
+/*
+ * Backlight emulation LED trigger
+ *
+ * Copyright 2008 (C) Rodolfo Giometti <giometti@linux.it>
+ * Copyright 2008 (C) Eurotech S.p.A. <info@eurotech.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/fb.h>
+#include <linux/leds.h>
+#include "leds.h"
+
+#define BLANK		1
+#define UNBLANK		0
+
+struct bl_trig_notifier {
+	struct led_classdev *led;
+	int brightness;
+	int old_status;
+	struct notifier_block notifier;
+};
+
+static int fb_notifier_callback(struct notifier_block *p,
+				unsigned long event, void *data)
+{
+	struct bl_trig_notifier *n = container_of(p,
+					struct bl_trig_notifier, notifier);
+	struct led_classdev *led = n->led;
+	struct fb_event *fb_event = data;
+	int *blank = fb_event->data;
+
+	switch (event) {
+	case FB_EVENT_BLANK :
+		if (*blank && n->old_status == UNBLANK) {
+			n->brightness = led->brightness;
+			led_set_brightness(led, LED_OFF);
+			n->old_status = BLANK;
+		} else if (!*blank && n->old_status == BLANK) {
+			led_set_brightness(led, n->brightness);
+			n->old_status = UNBLANK;
+		}
+		break;
+	}
+
+	return 0;
+}
+
+static void bl_trig_activate(struct led_classdev *led)
+{
+	int ret;
+
+	struct bl_trig_notifier *n;
+
+	n = kzalloc(sizeof(struct bl_trig_notifier), GFP_KERNEL);
+	led->trigger_data = n;
+	if (!n) {
+		dev_err(led->dev, "unable to allocate backlight trigger\n");
+		return;
+	}
+
+	n->led = led;
+	n->brightness = led->brightness;
+	n->old_status = UNBLANK;
+	n->notifier.notifier_call = fb_notifier_callback;
+
+	ret = fb_register_client(&n->notifier);
+	if (ret)
+		dev_err(led->dev, "unable to register backlight trigger\n");
+}
+
+static void bl_trig_deactivate(struct led_classdev *led)
+{
+	struct bl_trig_notifier *n =
+		(struct bl_trig_notifier *) led->trigger_data;
+
+	if (n) {
+		fb_unregister_client(&n->notifier);
+		kfree(n);
+	}
+}
+
+static struct led_trigger bl_led_trigger = {
+	.name		= "backlight",
+	.activate	= bl_trig_activate,
+	.deactivate	= bl_trig_deactivate
+};
+
+static int __init bl_trig_init(void)
+{
+	return led_trigger_register(&bl_led_trigger);
+}
+
+static void __exit bl_trig_exit(void)
+{
+	led_trigger_unregister(&bl_led_trigger);
+}
+
+module_init(bl_trig_init);
+module_exit(bl_trig_exit);
+
+MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");
+MODULE_DESCRIPTION("Backlight emulation LED trigger");
+MODULE_LICENSE("GPL v2");
-- 
GitLab


From 326bb8a5a12c6298a6bf6c74af490b1858b2f12c Mon Sep 17 00:00:00 2001
From: Trent Piepho <tpiepho@freescale.com>
Date: Mon, 13 Oct 2008 10:13:01 +0100
Subject: [PATCH 1549/2224] leds: Make default trigger fields const

The default_trigger fields of struct gpio_led and thus struct
led_classdev are pretty much always assigned from a string literal,
which means the string can't be modified.  Which is fine, since there is
no reason to modify the string and in fact it never is.

But they should be marked const to prevent such code from being added,
to prevent warnings if -Wwrite-strings is used, when assigned from a
constant string other than a string literal (which produces a warning
under current kernel compiler flags), and for general good coding
practices.

Signed-off-by: Trent Piepho <tpiepho@freescale.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 include/linux/leds.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/leds.h b/include/linux/leds.h
index d41ccb56146..d3a73f5a48c 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -123,7 +123,7 @@ extern void ledtrig_ide_activity(void);
  */
 struct led_info {
 	const char	*name;
-	char		*default_trigger;
+	const char	*default_trigger;
 	int		flags;
 };
 
@@ -135,7 +135,7 @@ struct led_platform_data {
 /* For the leds-gpio driver */
 struct gpio_led {
 	const char *name;
-	char *default_trigger;
+	const char *default_trigger;
 	unsigned 	gpio;
 	u8 		active_low;
 };
-- 
GitLab


From 6af4f55c31764c2d97ddf59ae2149cd1769e2e25 Mon Sep 17 00:00:00 2001
From: Sven Wegener <sven.wegener@stealer.net>
Date: Mon, 13 Oct 2008 10:43:47 +0100
Subject: [PATCH 1550/2224] leds: Add leds-wrap default-trigger

The power led is normally lit after boot, let's use the default-on
trigger as the default trigger for it.  This gets the initial brightness
value right and being on is the default behaviour we expect for a power
led.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-wrap.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-wrap.c b/drivers/leds/leds-wrap.c
index 7ac61a7b56a..2f3aa87f2a1 100644
--- a/drivers/leds/leds-wrap.c
+++ b/drivers/leds/leds-wrap.c
@@ -53,8 +53,9 @@ static void wrap_extra_led_set(struct led_classdev *led_cdev,
 }
 
 static struct led_classdev wrap_power_led = {
-	.name		= "wrap::power",
-	.brightness_set	= wrap_power_led_set,
+	.name			= "wrap::power",
+	.brightness_set		= wrap_power_led_set,
+	.default_trigger	= "default-on",
 };
 
 static struct led_classdev wrap_error_led = {
-- 
GitLab


From dd8e5a2039607e0f79c33549726a2415d977c938 Mon Sep 17 00:00:00 2001
From: Sven Wegener <sven.wegener@stealer.net>
Date: Mon, 13 Oct 2008 10:41:39 +0100
Subject: [PATCH 1551/2224] leds: Remove uneeded strlen calls

There's no need for the additional call to strlen(), we can directly
return the value returned by sprintf().  We now return a length value
that doesn't include the final '\0', but user space shouldn't bother
about it anyway.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/led-class.c     | 5 +----
 drivers/leds/ledtrig-timer.c | 8 ++------
 2 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index ee74ee7b2ac..8a7d138ec50 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -34,14 +34,11 @@ static ssize_t led_brightness_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
-	ssize_t ret = 0;
 
 	/* no lock needed for this */
 	led_update_brightness(led_cdev);
-	sprintf(buf, "%u\n", led_cdev->brightness);
-	ret = strlen(buf) + 1;
 
-	return ret;
+	return sprintf(buf, "%u\n", led_cdev->brightness);
 }
 
 static ssize_t led_brightness_store(struct device *dev,
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index 5c99f4f0c69..db681962d7b 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -70,9 +70,7 @@ static ssize_t led_delay_on_show(struct device *dev,
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
 	struct timer_trig_data *timer_data = led_cdev->trigger_data;
 
-	sprintf(buf, "%lu\n", timer_data->delay_on);
-
-	return strlen(buf) + 1;
+	return sprintf(buf, "%lu\n", timer_data->delay_on);
 }
 
 static ssize_t led_delay_on_store(struct device *dev,
@@ -116,9 +114,7 @@ static ssize_t led_delay_off_show(struct device *dev,
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
 	struct timer_trig_data *timer_data = led_cdev->trigger_data;
 
-	sprintf(buf, "%lu\n", timer_data->delay_off);
-
-	return strlen(buf) + 1;
+	return sprintf(buf, "%lu\n", timer_data->delay_off);
 }
 
 static ssize_t led_delay_off_store(struct device *dev,
-- 
GitLab


From 85b064b66400abf626b0e9754118c2a8a212c19b Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@linux.intel.com>
Date: Mon, 20 Oct 2008 22:55:00 +0100
Subject: [PATCH 1552/2224] leds: Remove uneeded leds-cm-x270 driver

The cm-x270 board uses leds-gpio so remove the now unneeded driver.

Acked-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/Kconfig        |   6 --
 drivers/leds/Makefile       |   1 -
 drivers/leds/leds-cm-x270.c | 124 ------------------------------------
 3 files changed, 131 deletions(-)
 delete mode 100644 drivers/leds/leds-cm-x270.c

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 2a72ce5c6d1..a4f7a3ab3b2 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -113,12 +113,6 @@ config LEDS_GPIO
 	  outputs. To be useful the particular board must have LEDs
 	  and they must be connected to the GPIO lines.
 
-config LEDS_CM_X270
-	tristate "LED Support for the CM-X270 LEDs"
-	depends on LEDS_CLASS && MACH_ARMCORE
-	help
-	  This option enables support for the CM-X270 LEDs.
-
 config LEDS_CLEVO_MAIL
 	tristate "Mail LED on Clevo notebook (EXPERIMENTAL)"
 	depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI && EXPERIMENTAL
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 07d937f4651..64e21e44980 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -17,7 +17,6 @@ obj-$(CONFIG_LEDS_COBALT_RAQ)		+= leds-cobalt-raq.o
 obj-$(CONFIG_LEDS_SUNFIRE)		+= leds-sunfire.o
 obj-$(CONFIG_LEDS_PCA9532)		+= leds-pca9532.o
 obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
-obj-$(CONFIG_LEDS_CM_X270)              += leds-cm-x270.o
 obj-$(CONFIG_LEDS_CLEVO_MAIL)		+= leds-clevo-mail.o
 obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o
 obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o
diff --git a/drivers/leds/leds-cm-x270.c b/drivers/leds/leds-cm-x270.c
deleted file mode 100644
index 836a43d776e..00000000000
--- a/drivers/leds/leds-cm-x270.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * drivers/leds/leds-cm-x270.c
- *
- * Copyright 2007 CompuLab Ltd.
- * Author: Mike Rapoport <mike@compulab.co.il>
- *
- * Based on leds-corgi.c
- * Author: Richard Purdie <rpurdie@openedhand.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/leds.h>
-
-#include <mach/hardware.h>
-#include <mach/pxa-regs.h>
-
-#define GPIO_RED_LED			(93)
-#define GPIO_GREEN_LED			(94)
-
-static void cmx270_red_set(struct led_classdev *led_cdev,
-			   enum led_brightness value)
-{
-	if (value)
-		GPCR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
-	else
-		GPSR(GPIO_RED_LED) = GPIO_bit(GPIO_RED_LED);
-}
-
-static void cmx270_green_set(struct led_classdev *led_cdev,
-			     enum led_brightness value)
-{
-	if (value)
-		GPCR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
-	else
-		GPSR(GPIO_GREEN_LED) = GPIO_bit(GPIO_GREEN_LED);
-}
-
-static struct led_classdev cmx270_red_led = {
-	.name			= "cm-x270:red",
-	.default_trigger	= "nand-disk",
-	.brightness_set		= cmx270_red_set,
-};
-
-static struct led_classdev cmx270_green_led = {
-	.name			= "cm-x270:green",
-	.default_trigger	= "heartbeat",
-	.brightness_set		= cmx270_green_set,
-};
-
-#ifdef CONFIG_PM
-static int cmx270led_suspend(struct platform_device *dev, pm_message_t state)
-{
-	led_classdev_suspend(&cmx270_red_led);
-	led_classdev_suspend(&cmx270_green_led);
-	return 0;
-}
-
-static int cmx270led_resume(struct platform_device *dev)
-{
-	led_classdev_resume(&cmx270_red_led);
-	led_classdev_resume(&cmx270_green_led);
-	return 0;
-}
-#endif
-
-static int cmx270led_probe(struct platform_device *pdev)
-{
-	int ret;
-
-	ret = led_classdev_register(&pdev->dev, &cmx270_red_led);
-	if (ret < 0)
-		return ret;
-
-	ret = led_classdev_register(&pdev->dev, &cmx270_green_led);
-	if (ret < 0)
-		led_classdev_unregister(&cmx270_red_led);
-
-	return ret;
-}
-
-static int cmx270led_remove(struct platform_device *pdev)
-{
-	led_classdev_unregister(&cmx270_red_led);
-	led_classdev_unregister(&cmx270_green_led);
-	return 0;
-}
-
-static struct platform_driver cmx270led_driver = {
-	.probe		= cmx270led_probe,
-	.remove		= cmx270led_remove,
-#ifdef CONFIG_PM
-	.suspend	= cmx270led_suspend,
-	.resume		= cmx270led_resume,
-#endif
-	.driver		= {
-		.name		= "cm-x270-led",
-		.owner		= THIS_MODULE,
-	},
-};
-
-static int __init cmx270led_init(void)
-{
-	return platform_driver_register(&cmx270led_driver);
-}
-
-static void __exit cmx270led_exit(void)
-{
-	platform_driver_unregister(&cmx270led_driver);
-}
-
-module_init(cmx270led_init);
-module_exit(cmx270led_exit);
-
-MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
-MODULE_DESCRIPTION("CM-x270 LED driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:cm-x270-led");
-- 
GitLab


From 0adaf6e4c23dd8a7ab20fb3acaa58e3f8422ac60 Mon Sep 17 00:00:00 2001
From: Sven Wegener <sven.wegener@stealer.net>
Date: Mon, 20 Oct 2008 22:57:56 +0100
Subject: [PATCH 1553/2224] leds: leds-pca955x - Mark pca955x_led_set() static

Mark pca955x_led_set() as static

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-pca955x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index f508729123b..4e2d1a42b48 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -226,7 +226,7 @@ static void pca955x_led_work(struct work_struct *work)
 	pca955x_write_ls(pca955x->client, chip_ls, ls);
 }
 
-void pca955x_led_set(struct led_classdev *led_cdev, enum led_brightness value)
+static void pca955x_led_set(struct led_classdev *led_cdev, enum led_brightness value)
 {
 	struct pca955x_led *pca955x;
 
-- 
GitLab


From 9c78ff6e65cad9f9fcf0bbde2bfbbf3a544fb704 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@suse.cz>
Date: Mon, 20 Oct 2008 23:02:43 +0100
Subject: [PATCH 1554/2224] leds: Add driver for HP harddisk protection LEDs

HP notebooks contain accelerometer-based disk protection subsystem,
and LED that indicates hard disk is protected. This is driver for the
LED part.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/Kconfig        |   7 ++
 drivers/leds/Makefile       |   1 +
 drivers/leds/leds-hp-disk.c | 156 ++++++++++++++++++++++++++++++++++++
 3 files changed, 164 insertions(+)
 create mode 100644 drivers/leds/leds-hp-disk.c

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index a4f7a3ab3b2..33ff1cbeebd 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -113,6 +113,13 @@ config LEDS_GPIO
 	  outputs. To be useful the particular board must have LEDs
 	  and they must be connected to the GPIO lines.
 
+config LEDS_HP_DISK
+	tristate "LED Support for disk protection LED on HP notebooks"
+	depends on LEDS_CLASS && ACPI
+	help
+	  This option enable support for disk protection LED, found on
+	  newer HP notebooks.
+
 config LEDS_CLEVO_MAIL
 	tristate "Mail LED on Clevo notebook (EXPERIMENTAL)"
 	depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI && EXPERIMENTAL
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 64e21e44980..e1967a29850 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -22,6 +22,7 @@ obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o
 obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o
 obj-$(CONFIG_LEDS_PCA955X)		+= leds-pca955x.o
 obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o
+obj-$(CONFIG_LEDS_HP_DISK)		+= leds-hp-disk.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
diff --git a/drivers/leds/leds-hp-disk.c b/drivers/leds/leds-hp-disk.c
new file mode 100644
index 00000000000..d636280198a
--- /dev/null
+++ b/drivers/leds/leds-hp-disk.c
@@ -0,0 +1,156 @@
+/*
+ *  leds-hp-disk.c - driver for HP "hard disk protection" LED
+ *
+ *  Copyright (C) 2008 Pavel Machek
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/dmi.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+#include <linux/kthread.h>
+#include <linux/version.h>
+#include <linux/leds.h>
+#include <acpi/acpi_drivers.h>
+
+#define DRIVER_NAME     "leds-hp-disk"
+#define ACPI_MDPS_CLASS "led"
+
+/* For automatic insertion of the module */
+static struct acpi_device_id hpled_device_ids[] = {
+	{"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */
+	{"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, hpled_device_ids);
+
+struct acpi_hpled {
+	struct acpi_device	*device;   /* The ACPI device */
+};
+
+static struct acpi_hpled adev;
+
+static acpi_status hpled_acpi_write(acpi_handle handle, int reg)
+{
+	unsigned long ret; /* Not used when writing */
+	union acpi_object in_obj[1];
+	struct acpi_object_list args = { 1, in_obj };
+
+	in_obj[0].type          = ACPI_TYPE_INTEGER;
+	in_obj[0].integer.value = reg;
+
+	return acpi_evaluate_integer(handle, "ALED", &args, &ret);
+}
+
+static void hpled_set(struct led_classdev *led_cdev,
+			       enum led_brightness value)
+{
+	hpled_acpi_write(adev.device->handle, !!value);
+}
+
+static struct led_classdev hpled_led = {
+	.name			= "hp:red:hddprotection",
+	.default_trigger	= "heartbeat",
+	.brightness_set		= hpled_set,
+};
+
+#ifdef CONFIG_PM
+static int hpled_suspend(struct acpi_device *dev, pm_message_t state)
+{
+	led_classdev_suspend(&hpled_led);
+	return 0;
+}
+
+static int hpled_resume(struct acpi_device *dev)
+{
+	led_classdev_resume(&hpled_led);
+	return 0;
+}
+#else
+#define hpled_suspend NULL
+#define hpled_resume NULL
+#endif
+
+static int hpled_add(struct acpi_device *device)
+{
+	int ret;
+
+	if (!device)
+		return -EINVAL;
+
+	adev.device = device;
+	strcpy(acpi_device_name(device), DRIVER_NAME);
+	strcpy(acpi_device_class(device), ACPI_MDPS_CLASS);
+	acpi_driver_data(device) = &adev;
+
+	ret = led_classdev_register(NULL, &hpled_led);
+	return ret;
+}
+
+static int hpled_remove(struct acpi_device *device, int type)
+{
+	if (!device)
+		return -EINVAL;
+
+	led_classdev_unregister(&hpled_led);
+	return 0;
+}
+
+
+
+static struct acpi_driver leds_hp_driver = {
+	.name  = DRIVER_NAME,
+	.class = ACPI_MDPS_CLASS,
+	.ids   = hpled_device_ids,
+	.ops = {
+		.add     = hpled_add,
+		.remove  = hpled_remove,
+		.suspend = hpled_suspend,
+		.resume  = hpled_resume,
+	}
+};
+
+static int __init hpled_init_module(void)
+{
+	int ret;
+
+	if (acpi_disabled)
+		return -ENODEV;
+
+	ret = acpi_bus_register_driver(&leds_hp_driver);
+	if (ret < 0)
+		return ret;
+
+	printk(KERN_INFO DRIVER_NAME " driver loaded.\n");
+
+	return 0;
+}
+
+static void __exit hpled_exit_module(void)
+{
+	acpi_bus_unregister_driver(&leds_hp_driver);
+}
+
+MODULE_DESCRIPTION("Driver for HP disk protection LED");
+MODULE_AUTHOR("Pavel Machek <pavel@suse.cz>");
+MODULE_LICENSE("GPL");
+
+module_init(hpled_init_module);
+module_exit(hpled_exit_module);
-- 
GitLab


From 0266a45896a53b1261e9657aa3fbf9ca3d2fd07b Mon Sep 17 00:00:00 2001
From: Qinghuang Feng <qhfeng.kernel@gmail.com>
Date: Mon, 20 Oct 2008 23:04:36 +0100
Subject: [PATCH 1555/2224] leds: Fix leds-class.c comment

led_classdev_unregister() has no "__" prefix, remove it.

Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/led-class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 8a7d138ec50..5db86c29fe6 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -144,7 +144,7 @@ err_out:
 EXPORT_SYMBOL_GPL(led_classdev_register);
 
 /**
- * __led_classdev_unregister - unregisters a object of led_properties class.
+ * led_classdev_unregister - unregisters a object of led_properties class.
  * @led_cdev: the led device to unregister
  *
  * Unregisters a previously registered via led_classdev_register object.
-- 
GitLab


From 270c3957dbc5bedf093dc864840be0cc6dbda1f6 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@linux.intel.com>
Date: Mon, 20 Oct 2008 23:16:17 +0100
Subject: [PATCH 1556/2224] leds: Fix trigger registration race

Fix a race during trigger registration where we could try and use a lock
before it was initialised.

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/led-class.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 5db86c29fe6..6c4a326176d 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -110,6 +110,9 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 	if (rc)
 		goto err_out;
 
+#ifdef CONFIG_LEDS_TRIGGERS
+	init_rwsem(&led_cdev->trigger_lock);
+#endif
 	/* add to the list of leds */
 	down_write(&leds_list_lock);
 	list_add_tail(&led_cdev->node, &leds_list);
@@ -118,8 +121,6 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 	led_update_brightness(led_cdev);
 
 #ifdef CONFIG_LEDS_TRIGGERS
-	init_rwsem(&led_cdev->trigger_lock);
-
 	rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
 	if (rc)
 		goto err_out_led_list;
-- 
GitLab


From 5f41b8cdc6ef33b3432cee36264d628a80398362 Mon Sep 17 00:00:00 2001
From: "Luck, Tony" <tony.luck@intel.com>
Date: Mon, 20 Oct 2008 15:23:40 -0700
Subject: [PATCH 1557/2224] kexec: fix crash_save_vmcoreinfo_init build problem

This fixes

  kernel/kexec.c: In function 'crash_save_vmcoreinfo_init':
  kernel/kexec.c:1374: error: 'vmlist' undeclared (first use in this function)
  kernel/kexec.c:1374: error: (Each undeclared identifier is reported only once
  kernel/kexec.c:1374: error: for each function it appears in.)
  kernel/kexec.c:1410: error: invalid use of undefined type 'struct vm_struct'
  make[1]: *** [kernel/kexec.o] Error 1

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/kexec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/kexec.c b/kernel/kexec.c
index 777ac458ac9..ac0fde7b54d 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -30,6 +30,7 @@
 #include <linux/pm.h>
 #include <linux/cpu.h>
 #include <linux/console.h>
+#include <linux/vmalloc.h>
 
 #include <asm/page.h>
 #include <asm/uaccess.h>
-- 
GitLab


From f6f286f33e843862c559bfea9281318c4cdec6b0 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Mon, 20 Oct 2008 14:41:03 -0700
Subject: [PATCH 1558/2224] fix WARN() for PPC

powerpc doesn't use the generic WARN_ON infrastructure.  The newly
introduced WARN() as a result didn't print the message, this patch adds
the printk for this specific case.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/bug.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 0f6dabd4b51..12c07c1866b 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -41,7 +41,7 @@ extern void warn_slowpath(const char *file, const int line,
 #define __WARN() warn_on_slowpath(__FILE__, __LINE__)
 #define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg)
 #else
-#define __WARN_printf(arg...) __WARN()
+#define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0)
 #endif
 
 #ifndef WARN_ON
-- 
GitLab


From fbf0baee84cd31d3a800010139fcd01b8b11cbf9 Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@linux.intel.com>
Date: Mon, 20 Oct 2008 23:46:15 +0100
Subject: [PATCH 1559/2224] leds: Simplify logic in leds-ams-delta

Simplify logic in leds-ams-delta after various new drivers
writers misunderstood it.

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-ams-delta.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/leds/leds-ams-delta.c b/drivers/leds/leds-ams-delta.c
index 32c98b2efa3..1bd590bb3a6 100644
--- a/drivers/leds/leds-ams-delta.c
+++ b/drivers/leds/leds-ams-delta.c
@@ -107,27 +107,27 @@ static int ams_delta_led_resume(struct platform_device *dev)
 
 static int ams_delta_led_probe(struct platform_device *pdev)
 {
-	int i;
-	int ret;
+	int i, ret;
 
-	for (i = ret = 0; ret >= 0 && i < ARRAY_SIZE(ams_delta_leds); i++) {
+	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) {
 		ret = led_classdev_register(&pdev->dev,
 				&ams_delta_leds[i].cdev);
+		if (ret < 0)
+			goto fail;
 	}
 
-	if (ret < 0 && i > 1) {
-		for (i = i - 2; i >= 0; i--)
-			led_classdev_unregister(&ams_delta_leds[i].cdev);
-	}
-
-	return ret;
+	return 0;
+fail:
+	while (--i >= 0)
+		led_classdev_unregister(&ams_delta_leds[i].cdev);
+	return ret;	
 }
 
 static int ams_delta_led_remove(struct platform_device *pdev)
 {
 	int i;
 
-	for (i = ARRAY_SIZE(ams_delta_leds) - 1; i >= 0; i--)
+	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i--)
 		led_classdev_unregister(&ams_delta_leds[i].cdev);
 
 	return 0;
-- 
GitLab


From e8848a170fd432bdda176a2d568919d4bba90467 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 21 Oct 2008 00:47:45 +0200
Subject: [PATCH 1560/2224] fix CONFIG_HIGHMEM compile error in
 drivers/gpu/drm/i915/i915_gem.c

commit 9b7530cc329eb036cfa589930c270e85031f554c ("i915: cleanup coding
horrors in i915_gem_gtt_pwrite()")

broke the i386 build for CONFIG_HIGHMEM=y.

Caught by automatic testing http://www.tglx.de/autoqa-logs/000137-0006-0001.log

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[ My bad. It's the same patch I sent out earlier, nobody noticed then either.. ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpu/drm/i915/i915_gem.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 49c5a1798ac..dc2e6fdb6ca 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -182,7 +182,8 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
  * happens to let us map card memory without taking IPIs.  When the vmap
  * rework lands we should be able to dump this hack.
  */
-static inline int fast_user_write(unsigned long pfn, char __user *user_data, int l)
+static inline int fast_user_write(unsigned long pfn, char __user *user_data,
+				  int l, int o)
 {
 #ifdef CONFIG_HIGHMEM
 	unsigned long unwritten;
@@ -251,7 +252,7 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 
 		pfn = (dev->agp->base >> PAGE_SHIFT) + i;
 
-		if (!fast_user_write(pfn, user_data, l)) {
+		if (!fast_user_write(pfn, user_data, l, o)) {
 			unsigned long unwritten;
 			char __iomem *vaddr;
 
-- 
GitLab


From 653c03168348ac7aebb969931f87ba281749d7dd Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Mon, 20 Oct 2008 16:00:08 -0700
Subject: [PATCH 1561/2224] misc: replace remaining __FUNCTION__ with __func__

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 Documentation/DocBook/kernel-hacking.tmpl | 2 +-
 arch/arm/mach-iop13xx/include/mach/time.h | 4 ++--
 arch/arm/mach-pxa/include/mach/zylonite.h | 4 ++--
 arch/powerpc/include/asm/ptrace.h         | 2 +-
 drivers/net/usb/pegasus.c                 | 4 ++--
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Documentation/DocBook/kernel-hacking.tmpl b/Documentation/DocBook/kernel-hacking.tmpl
index 4c63e586416..ae15d55350e 100644
--- a/Documentation/DocBook/kernel-hacking.tmpl
+++ b/Documentation/DocBook/kernel-hacking.tmpl
@@ -1105,7 +1105,7 @@ static struct block_device_operations opt_fops = {
     </listitem>
     <listitem>
      <para>
-      Function names as strings (__FUNCTION__).
+      Function names as strings (__func__).
      </para>
     </listitem>
     <listitem>
diff --git a/arch/arm/mach-iop13xx/include/mach/time.h b/arch/arm/mach-iop13xx/include/mach/time.h
index 49213d9d7ca..d6d52527589 100644
--- a/arch/arm/mach-iop13xx/include/mach/time.h
+++ b/arch/arm/mach-iop13xx/include/mach/time.h
@@ -41,7 +41,7 @@ static inline unsigned long iop13xx_core_freq(void)
 		return 1200000000;
 	default:
 		printk("%s: warning unknown frequency, defaulting to 800Mhz\n",
-			__FUNCTION__);
+			__func__);
 	}
 
 	return 800000000;
@@ -60,7 +60,7 @@ static inline unsigned long iop13xx_xsi_bus_ratio(void)
 		return 4;
 	default:
 		printk("%s: warning unknown ratio, defaulting to 2\n",
-			__FUNCTION__);
+			__func__);
 	}
 
 	return 2;
diff --git a/arch/arm/mach-pxa/include/mach/zylonite.h b/arch/arm/mach-pxa/include/mach/zylonite.h
index 0d35ca04731..bf6785adccf 100644
--- a/arch/arm/mach-pxa/include/mach/zylonite.h
+++ b/arch/arm/mach-pxa/include/mach/zylonite.h
@@ -30,7 +30,7 @@ extern void zylonite_pxa300_init(void);
 static inline void zylonite_pxa300_init(void)
 {
 	if (cpu_is_pxa300() || cpu_is_pxa310())
-		panic("%s: PXA300/PXA310 not supported\n", __FUNCTION__);
+		panic("%s: PXA300/PXA310 not supported\n", __func__);
 }
 #endif
 
@@ -40,7 +40,7 @@ extern void zylonite_pxa320_init(void);
 static inline void zylonite_pxa320_init(void)
 {
 	if (cpu_is_pxa320())
-		panic("%s: PXA320 not supported\n", __FUNCTION__);
+		panic("%s: PXA320 not supported\n", __func__);
 }
 #endif
 
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 734e0754fb9..280a90cc989 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -129,7 +129,7 @@ extern int ptrace_put_reg(struct task_struct *task, int regno,
 #define CHECK_FULL_REGS(regs)						      \
 do {									      \
 	if ((regs)->trap & 1)						      \
-		printk(KERN_CRIT "%s: partial register set\n", __FUNCTION__); \
+		printk(KERN_CRIT "%s: partial register set\n", __func__); \
 } while (0)
 #endif /* __powerpc64__ */
 
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 38b90e7a7ed..7914867110e 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -168,7 +168,7 @@ static int get_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
 			netif_device_detach(pegasus->net);
 		if (netif_msg_drv(pegasus) && printk_ratelimit())
 			dev_err(&pegasus->intf->dev, "%s, status %d\n",
-					__FUNCTION__, ret);
+					__func__, ret);
 		goto out;
 	}
 
@@ -192,7 +192,7 @@ static int set_registers(pegasus_t * pegasus, __u16 indx, __u16 size,
 	if (!buffer) {
 		if (netif_msg_drv(pegasus))
 			dev_warn(&pegasus->intf->dev, "out of memory in %s\n",
-					__FUNCTION__);
+					__func__);
 		return -ENOMEM;
 	}
 	memcpy(buffer, data, size);
-- 
GitLab


From e798ba57e9f423dddbf1bdeb20a62bdd0593890f Mon Sep 17 00:00:00 2001
From: Hugh Dickins <hugh@veritas.com>
Date: Tue, 21 Oct 2008 00:04:04 +0100
Subject: [PATCH 1562/2224] Export tiny shmem_file_setup for DRM-GEM

We're trying to keep the !CONFIG_SHMEM tiny-shmem.c (using ramfs without
swap) in synch with CONFIG_SHMEM shmem.c (and mpm is preparing patches
to combine them).  I was glad to see EXPORT_SYMBOL_GPL(shmem_file_setup)
go into shmem.c, but why not support DRM-GEM when !CONFIG_SHMEM too?
But caution says still depend on MMU, since !CONFIG_MMU is.. different.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/gpu/drm/Kconfig | 2 +-
 mm/tiny-shmem.c         | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 9097500de5f..a8b33c2ec8d 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -6,7 +6,7 @@
 #
 menuconfig DRM
 	tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
-	depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && SHMEM
+	depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
 	help
 	  Kernel-level support for the Direct Rendering Infrastructure (DRI)
 	  introduced in XFree86 4.0. If you say Y here, you need to select
diff --git a/mm/tiny-shmem.c b/mm/tiny-shmem.c
index 8d7a27a6335..3e67d575ee6 100644
--- a/mm/tiny-shmem.c
+++ b/mm/tiny-shmem.c
@@ -95,6 +95,7 @@ put_dentry:
 put_memory:
 	return ERR_PTR(error);
 }
+EXPORT_SYMBOL_GPL(shmem_file_setup);
 
 /**
  * shmem_zero_setup - setup a shared anonymous mapping
-- 
GitLab


From a50c22eed593f474e75f693381e4d42e81762de8 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Tue, 21 Oct 2008 06:43:33 +0800
Subject: [PATCH 1563/2224] mm: remove duplicated #include's

Removed duplicated #include <linux/vmalloc.h> in mm/vmalloc.c and
"internal.h" in mm/memory.c.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memory.c  | 2 --
 mm/vmalloc.c | 1 -
 2 files changed, 3 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 3a6c4a65832..164951c4730 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -64,8 +64,6 @@
 
 #include "internal.h"
 
-#include "internal.h"
-
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 /* use the per-pgdat data instead for discontigmem - mbligh */
 unsigned long max_mapnr;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 0797589d51f..65ae576030d 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -17,7 +17,6 @@
 #include <linux/interrupt.h>
 #include <linux/seq_file.h>
 #include <linux/debugobjects.h>
-#include <linux/vmalloc.h>
 #include <linux/kallsyms.h>
 #include <linux/list.h>
 #include <linux/rbtree.h>
-- 
GitLab


From fbd1b17b43b8783a5408ec18c293dd8ebdc7e2cd Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Sat, 13 Sep 2008 20:58:51 +0400
Subject: [PATCH 1564/2224] backlight: add support for Sharp SL-6000 LCD and
 backlight drivers

On Sharp SL-6000 lcd/backlight is a bit complex, so add two drivers
one for lcd-driving chip, other one for dac regulating the backlight
LEDS.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
---
 arch/arm/mach-pxa/include/mach/tosa.h |   3 +
 drivers/video/backlight/Kconfig       |  18 ++
 drivers/video/backlight/Makefile      |   3 +
 drivers/video/backlight/tosa_bl.c     | 198 ++++++++++++++++++
 drivers/video/backlight/tosa_lcd.c    | 280 ++++++++++++++++++++++++++
 5 files changed, 502 insertions(+)
 create mode 100644 drivers/video/backlight/tosa_bl.c
 create mode 100644 drivers/video/backlight/tosa_lcd.c

diff --git a/arch/arm/mach-pxa/include/mach/tosa.h b/arch/arm/mach-pxa/include/mach/tosa.h
index 8bce6d8615b..4df2d38507d 100644
--- a/arch/arm/mach-pxa/include/mach/tosa.h
+++ b/arch/arm/mach-pxa/include/mach/tosa.h
@@ -193,4 +193,7 @@
 #define TOSA_KEY_MAIL		KEY_MAIL
 #endif
 
+struct spi_device;
+extern int tosa_bl_enable(struct spi_device *spi, int enable);
+
 #endif /* _ASM_ARCH_TOSA_H_ */
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index c72a1356295..10b701f1089 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -75,6 +75,15 @@ config LCD_PLATFORM
 	  This driver provides a platform-device registered LCD power
 	  control interface.
 
+config LCD_TOSA
+	tristate "Sharp SL-6000 LCD Driver"
+	depends on LCD_CLASS_DEVICE && SPI
+	depends on MACH_TOSA
+	default n
+	help
+	  If you have an Sharp SL-6000 Zaurus say Y to enable a driver
+	  for its LCD.
+
 #
 # Backlight
 #
@@ -179,3 +188,12 @@ config BACKLIGHT_MBP_NVIDIA
          If you have an Apple Macbook Pro with Nvidia graphics hardware say Y
 	 to enable a driver for its backlight
 
+config BACKLIGHT_TOSA
+	tristate "Sharp SL-6000 Backlight Driver"
+	depends on BACKLIGHT_CLASS_DEVICE && I2C
+	depends on MACH_TOSA && LCD_TOSA
+	default n
+	help
+	  If you have an Sharp SL-6000 Zaurus say Y to enable a driver
+	  for its backlight
+
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 3ec551eb472..36f2026373a 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_LCD_ILI9320)	   += ili9320.o
 obj-$(CONFIG_LCD_PLATFORM)	   += platform_lcd.o
 obj-$(CONFIG_LCD_VGG2432A4)	   += vgg2432a4.o
 obj-$(CONFIG_LCD_TDO24M)	   += tdo24m.o
+obj-$(CONFIG_LCD_TOSA)		   += tosa_lcd.o
 
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
 obj-$(CONFIG_BACKLIGHT_ATMEL_PWM)    += atmel-pwm-bl.o
@@ -18,4 +19,6 @@ obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o
 obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o
 obj-$(CONFIG_BACKLIGHT_PWM)	+= pwm_bl.o
 obj-$(CONFIG_BACKLIGHT_MBP_NVIDIA) += mbp_nvidia_bl.o
+obj-$(CONFIG_BACKLIGHT_TOSA)	+= tosa_bl.o
+
 
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
new file mode 100644
index 00000000000..43edbada12d
--- /dev/null
+++ b/drivers/video/backlight/tosa_bl.c
@@ -0,0 +1,198 @@
+/*
+ *  LCD / Backlight control code for Sharp SL-6000x (tosa)
+ *
+ *  Copyright (c) 2005		Dirk Opfer
+ *  Copyright (c) 2007,2008	Dmitry Baryshkov
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/spi/spi.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/fb.h>
+#include <linux/backlight.h>
+
+#include <asm/mach/sharpsl_param.h>
+
+#include <mach/tosa.h>
+
+#define COMADJ_DEFAULT	97
+
+#define DAC_CH1		0
+#define DAC_CH2		1
+
+struct tosa_bl_data {
+	struct i2c_client *i2c;
+	struct backlight_device *bl;
+
+	int comadj;
+};
+
+static void tosa_bl_set_backlight(struct tosa_bl_data *data, int brightness)
+{
+	struct spi_device *spi = data->i2c->dev.platform_data;
+
+	i2c_smbus_write_byte_data(data->i2c, DAC_CH1, data->comadj);
+
+	/* SetBacklightDuty */
+	i2c_smbus_write_byte_data(data->i2c, DAC_CH2, (u8)(brightness & 0xff));
+
+	/* SetBacklightVR */
+	gpio_set_value(TOSA_GPIO_BL_C20MA, brightness & 0x100);
+
+	tosa_bl_enable(spi, brightness);
+}
+
+static int tosa_bl_update_status(struct backlight_device *dev)
+{
+	struct backlight_properties *props = &dev->props;
+	struct tosa_bl_data *data = dev_get_drvdata(&dev->dev);
+	int power = max(props->power, props->fb_blank);
+	int brightness = props->brightness;
+
+	if (power)
+		brightness = 0;
+
+	tosa_bl_set_backlight(data, brightness);
+
+	return 0;
+}
+
+static int tosa_bl_get_brightness(struct backlight_device *dev)
+{
+	struct backlight_properties *props = &dev->props;
+
+	return props->brightness;
+}
+
+static struct backlight_ops bl_ops = {
+	.get_brightness		= tosa_bl_get_brightness,
+	.update_status		= tosa_bl_update_status,
+};
+
+static int __devinit tosa_bl_probe(struct i2c_client *client,
+		const struct i2c_device_id *id)
+{
+	struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL);
+	int ret = 0;
+	if (!data)
+		return -ENOMEM;
+
+	data->comadj = sharpsl_param.comadj == -1 ? COMADJ_DEFAULT : sharpsl_param.comadj;
+
+	ret = gpio_request(TOSA_GPIO_BL_C20MA, "backlight");
+	if (ret) {
+		dev_dbg(&data->bl->dev, "Unable to request gpio!\n");
+		goto err_gpio_bl;
+	}
+	ret = gpio_direction_output(TOSA_GPIO_BL_C20MA, 0);
+	if (ret)
+		goto err_gpio_dir;
+
+	i2c_set_clientdata(client, data);
+	data->i2c = client;
+
+	data->bl = backlight_device_register("tosa-bl", &client->dev,
+			data, &bl_ops);
+	if (IS_ERR(data->bl)) {
+		ret = PTR_ERR(data->bl);
+		goto err_reg;
+	}
+
+	data->bl->props.brightness = 69;
+	data->bl->props.max_brightness = 512 - 1;
+	data->bl->props.power = FB_BLANK_UNBLANK;
+
+	backlight_update_status(data->bl);
+
+	return 0;
+
+err_reg:
+	data->bl = NULL;
+	i2c_set_clientdata(client, NULL);
+err_gpio_dir:
+	gpio_free(TOSA_GPIO_BL_C20MA);
+err_gpio_bl:
+	kfree(data);
+	return ret;
+}
+
+static int __devexit tosa_bl_remove(struct i2c_client *client)
+{
+	struct tosa_bl_data *data = i2c_get_clientdata(client);
+
+	backlight_device_unregister(data->bl);
+	data->bl = NULL;
+	i2c_set_clientdata(client, NULL);
+
+	gpio_free(TOSA_GPIO_BL_C20MA);
+
+	kfree(data);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int tosa_bl_suspend(struct i2c_client *client, pm_message_t pm)
+{
+	struct tosa_bl_data *data = i2c_get_clientdata(client);
+
+	tosa_bl_set_backlight(data, 0);
+
+	return 0;
+}
+
+static int tosa_bl_resume(struct i2c_client *client)
+{
+	struct tosa_bl_data *data = i2c_get_clientdata(client);
+
+	backlight_update_status(data->bl);
+	return 0;
+}
+#else
+#define tosa_bl_suspend NULL
+#define tosa_bl_resume NULL
+#endif
+
+static const struct i2c_device_id tosa_bl_id[] = {
+	{ "tosa-bl", 0 },
+	{ },
+};
+
+
+static struct i2c_driver tosa_bl_driver = {
+	.driver = {
+		.name		= "tosa-bl",
+		.owner		= THIS_MODULE,
+	},
+	.probe		= tosa_bl_probe,
+	.remove		= __devexit_p(tosa_bl_remove),
+	.suspend	= tosa_bl_suspend,
+	.resume		= tosa_bl_resume,
+	.id_table	= tosa_bl_id,
+};
+
+static int __init tosa_bl_init(void)
+{
+	return i2c_add_driver(&tosa_bl_driver);
+}
+
+static void __exit tosa_bl_exit(void)
+{
+	i2c_del_driver(&tosa_bl_driver);
+}
+
+module_init(tosa_bl_init);
+module_exit(tosa_bl_exit);
+
+MODULE_AUTHOR("Dmitry Baryshkov");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("LCD/Backlight control for Sharp SL-6000 PDA");
+
diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c
new file mode 100644
index 00000000000..57a26649f1a
--- /dev/null
+++ b/drivers/video/backlight/tosa_lcd.c
@@ -0,0 +1,280 @@
+/*
+ *  LCD / Backlight control code for Sharp SL-6000x (tosa)
+ *
+ *  Copyright (c) 2005		Dirk Opfer
+ *  Copyright (c) 2007,2008	Dmitry Baryshkov
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/spi/spi.h>
+#include <linux/i2c.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/lcd.h>
+#include <linux/fb.h>
+
+#include <asm/mach/sharpsl_param.h>
+
+#include <mach/tosa.h>
+
+#define POWER_IS_ON(pwr)	((pwr) <= FB_BLANK_NORMAL)
+
+#define TG_REG0_VQV	0x0001
+#define TG_REG0_COLOR	0x0002
+#define TG_REG0_UD	0x0004
+#define TG_REG0_LR	0x0008
+
+#define	DAC_BASE	0x4e
+
+struct tosa_lcd_data {
+	struct spi_device *spi;
+	struct lcd_device *lcd;
+	struct i2c_client *i2c;
+
+	int lcd_power;
+};
+
+static int tosa_tg_send(struct spi_device *spi, int adrs, uint8_t data)
+{
+	u8 buf[1];
+	struct spi_message msg;
+	struct spi_transfer xfer = {
+		.len		= 1,
+		.cs_change	= 1,
+		.tx_buf		= buf,
+	};
+
+	buf[0] = ((adrs & 0x07) << 5) | (data & 0x1f);
+	spi_message_init(&msg);
+	spi_message_add_tail(&xfer, &msg);
+
+	return spi_sync(spi, &msg);
+}
+
+int tosa_bl_enable(struct spi_device *spi, int enable)
+{
+	/* bl_enable GP04=1 otherwise GP04=0*/
+	return tosa_tg_send(spi, TG_GPODR2, enable? 0x01 : 0x00);
+}
+EXPORT_SYMBOL(tosa_bl_enable);
+
+static void tosa_lcd_tg_init(struct tosa_lcd_data *data)
+{
+	/* TG on */
+	gpio_set_value(TOSA_GPIO_TG_ON, 0);
+
+	mdelay(60);
+
+	/* delayed 0clk TCTL signal for VGA */
+	tosa_tg_send(data->spi, TG_TPOSCTL, 0x00);
+	/* GPOS0=powercontrol, GPOS1=GPIO, GPOS2=TCTL */
+	tosa_tg_send(data->spi, TG_GPOSR, 0x02);
+}
+
+static void tosa_lcd_tg_on(struct tosa_lcd_data *data)
+{
+	struct spi_device *spi = data->spi;
+	const int value = TG_REG0_COLOR | TG_REG0_UD | TG_REG0_LR;
+	tosa_tg_send(spi, TG_PNLCTL, value | TG_REG0_VQV); /* this depends on mode */
+
+	/* TG LCD pannel power up */
+	tosa_tg_send(spi, TG_PINICTL,0x4);
+	mdelay(50);
+
+	/* TG LCD GVSS */
+	tosa_tg_send(spi, TG_PINICTL,0x0);
+
+	if (!data->i2c) {
+		/* after the pannel is powered up the first time, we can access the i2c bus */
+		/* so probe for the DAC */
+		struct i2c_adapter *adap = i2c_get_adapter(0);
+		struct i2c_board_info info = {
+			.type	= "tosa-bl",
+			.addr	= DAC_BASE,
+			.platform_data = data->spi,
+		};
+		data->i2c = i2c_new_device(adap, &info);
+	}
+}
+
+static void tosa_lcd_tg_off(struct tosa_lcd_data *data)
+{
+	struct spi_device *spi = data->spi;
+
+	/* TG LCD VHSA off */
+	tosa_tg_send(spi, TG_PINICTL,0x4);
+	mdelay(50);
+
+	/* TG LCD signal off */
+	tosa_tg_send(spi, TG_PINICTL,0x6);
+	mdelay(50);
+
+	/* TG Off */
+	gpio_set_value(TOSA_GPIO_TG_ON, 1);
+	mdelay(100);
+}
+
+int tosa_lcd_set_power(struct lcd_device *lcd, int power)
+{
+	struct tosa_lcd_data *data = lcd_get_data(lcd);
+
+	if (POWER_IS_ON(power) && !POWER_IS_ON(data->lcd_power))
+		tosa_lcd_tg_on(data);
+
+	if (!POWER_IS_ON(power) && POWER_IS_ON(data->lcd_power))
+		tosa_lcd_tg_off(data);
+
+	data->lcd_power = power;
+	return 0;
+}
+
+static int tosa_lcd_get_power(struct lcd_device *lcd)
+{
+	struct tosa_lcd_data *data = lcd_get_data(lcd);
+
+	return data->lcd_power;
+}
+
+static struct lcd_ops tosa_lcd_ops = {
+	.set_power = tosa_lcd_set_power,
+	.get_power = tosa_lcd_get_power,
+};
+
+static int __devinit tosa_lcd_probe(struct spi_device *spi)
+{
+	int ret;
+	struct tosa_lcd_data *data;
+
+	data = kzalloc(sizeof(struct tosa_lcd_data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	/*
+	 * bits_per_word cannot be configured in platform data
+	 */
+	spi->bits_per_word = 8;
+
+	ret = spi_setup(spi);
+	if (ret < 0)
+		goto err_spi;
+
+	data->spi = spi;
+	dev_set_drvdata(&spi->dev, data);
+
+	ret = gpio_request(TOSA_GPIO_TG_ON, "tg #pwr");
+	if (ret < 0)
+		goto err_gpio_tg;
+
+	mdelay(60);
+
+	ret = gpio_direction_output(TOSA_GPIO_TG_ON, 0);
+	if (ret < 0)
+		goto err_gpio_dir;
+
+	mdelay(60);
+	tosa_lcd_tg_init(data);
+
+	tosa_lcd_tg_on(data);
+
+	data->lcd = lcd_device_register("tosa-lcd", &spi->dev, data,
+			&tosa_lcd_ops);
+
+	if (IS_ERR(data->lcd)) {
+		ret = PTR_ERR(data->lcd);
+		data->lcd = NULL;
+		goto err_register;
+	}
+
+	return 0;
+
+err_register:
+	tosa_lcd_tg_off(data);
+err_gpio_dir:
+	gpio_free(TOSA_GPIO_TG_ON);
+err_gpio_tg:
+	dev_set_drvdata(&spi->dev, NULL);
+err_spi:
+	kfree(data);
+	return ret;
+}
+
+static int __devexit tosa_lcd_remove(struct spi_device *spi)
+{
+	struct tosa_lcd_data *data = dev_get_drvdata(&spi->dev);
+
+	lcd_device_unregister(data->lcd);
+
+	if (data->i2c)
+		i2c_unregister_device(data->i2c);
+
+	tosa_lcd_tg_off(data);
+
+	gpio_free(TOSA_GPIO_TG_ON);
+	dev_set_drvdata(&spi->dev, NULL);
+	kfree(data);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int tosa_lcd_suspend(struct spi_device *spi, pm_message_t state)
+{
+	struct tosa_lcd_data *data = dev_get_drvdata(&spi->dev);
+
+	tosa_lcd_tg_off(data);
+
+	return 0;
+}
+
+static int tosa_lcd_resume(struct spi_device *spi)
+{
+	struct tosa_lcd_data *data = dev_get_drvdata(&spi->dev);
+
+	tosa_lcd_tg_init(data);
+	if (POWER_IS_ON(data->lcd_power))
+		tosa_lcd_tg_on(data);
+	else
+		tosa_lcd_tg_off(data);
+
+	return 0;
+}
+#else
+#define tosa_lcd_suspend	NULL
+#define tosa_lcd_reume NULL
+#endif
+
+static struct spi_driver tosa_lcd_driver = {
+	.driver = {
+		.name		= "tosa-lcd",
+		.owner		= THIS_MODULE,
+	},
+	.probe		= tosa_lcd_probe,
+	.remove		= __devexit_p(tosa_lcd_remove),
+	.suspend	= tosa_lcd_suspend,
+	.resume		= tosa_lcd_resume,
+};
+
+static int __init tosa_lcd_init(void)
+{
+	return spi_register_driver(&tosa_lcd_driver);
+}
+
+static void __exit tosa_lcd_exit(void)
+{
+	spi_unregister_driver(&tosa_lcd_driver);
+}
+
+module_init(tosa_lcd_init);
+module_exit(tosa_lcd_exit);
+
+MODULE_AUTHOR("Dmitry Baryshkov");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("LCD/Backlight control for Sharp SL-6000 PDA");
+
-- 
GitLab


From 14b7b4018f90bc5e306adc59bfe8887934367ac2 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Sat, 13 Sep 2008 21:06:41 +0400
Subject: [PATCH 1565/2224] tosa: add support for bl/lcd driver

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
---
 arch/arm/mach-pxa/tosa.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index a6c4694359c..224897a67d1 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -31,6 +31,7 @@
 #include <linux/gpio.h>
 #include <linux/pda_power.h>
 #include <linux/rfkill.h>
+#include <linux/spi/spi.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -42,6 +43,7 @@
 #include <mach/mmc.h>
 #include <mach/udc.h>
 #include <mach/tosa_bt.h>
+#include <mach/pxa2xx_spi.h>
 
 #include <asm/mach/arch.h>
 #include <mach/tosa.h>
@@ -612,7 +614,7 @@ static int tosa_tc6393xb_enable(struct platform_device *dev)
 	rc = gpio_request(TOSA_GPIO_TC6393XB_SUSPEND, "tc6393xb #suspend");
 	if (rc)
 		goto err_req_suspend;
-	rc = gpio_request(TOSA_GPIO_TC6393XB_L3V_ON, "l3v");
+	rc = gpio_request(TOSA_GPIO_TC6393XB_L3V_ON, "tc6393xb l3v");
 	if (rc)
 		goto err_req_l3v;
 	rc = gpio_direction_output(TOSA_GPIO_TC6393XB_L3V_ON, 0);
@@ -772,6 +774,20 @@ static struct platform_device tosa_bt_device = {
 	.dev.platform_data = &tosa_bt_data,
 };
 
+static struct pxa2xx_spi_master pxa_ssp_master_info = {
+	.num_chipselect	= 1,
+};
+
+static struct spi_board_info spi_board_info[] __initdata = {
+	{
+		.modalias	= "tosa-lcd",
+		// .platform_data
+		.max_speed_hz	= 28750,
+		.bus_num	= 2,
+		.chip_select	= 0,
+		.mode		= SPI_MODE_0,
+	},
+};
 
 static struct platform_device *devices[] __initdata = {
 	&tosascoop_device,
@@ -826,6 +842,9 @@ static void __init tosa_init(void)
 	pxa_set_i2c_info(NULL);
 	platform_scoop_config = &tosa_pcmcia_config;
 
+	pxa2xx_set_spi_info(2, &pxa_ssp_master_info);
+	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
+
 	clk_add_alias("CLK_CK3P6MI", &tc6393xb_device.dev, "GPIO11_CLK", NULL);
 
 	platform_add_devices(devices, ARRAY_SIZE(devices));
-- 
GitLab


From 923ae48b5a92591c844ebdb21276b56093f4e5da Mon Sep 17 00:00:00 2001
From: Mike Rapoport <mike@compulab.co.il>
Date: Mon, 13 Oct 2008 09:03:44 +0100
Subject: [PATCH 1566/2224] backlight: da903x: Add backlight driver for
 DA9030/DA9034

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig  |   7 ++
 drivers/video/backlight/Makefile |   1 +
 drivers/video/backlight/da903x.c | 201 +++++++++++++++++++++++++++++++
 3 files changed, 209 insertions(+)
 create mode 100644 drivers/video/backlight/da903x.c

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 10b701f1089..5ff97250aa1 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -180,6 +180,13 @@ config BACKLIGHT_PWM
 	  If you have a LCD backlight adjustable by PWM, say Y to enable
 	  this driver.
 
+config BACKLIGHT_DA903X
+	tristate "Backlight Driver for DA9030/DA9034 using WLED"
+	depends on BACKLIGHT_CLASS_DEVICE && PMIC_DA903X
+	help
+	  If you have a LCD backlight connected to the WLED output of DA9030
+	  or DA9034 WLED output, say Y here to enable this driver.
+
 config BACKLIGHT_MBP_NVIDIA
        tristate "MacBook Pro Nvidia Backlight Driver"
        depends on BACKLIGHT_CLASS_DEVICE && X86
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 36f2026373a..9c818231f1f 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_BACKLIGHT_OMAP1)	+= omap1_bl.o
 obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o
 obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o
 obj-$(CONFIG_BACKLIGHT_PWM)	+= pwm_bl.o
+obj-$(CONFIG_BACKLIGHT_DA903X)	+= da903x.o
 obj-$(CONFIG_BACKLIGHT_MBP_NVIDIA) += mbp_nvidia_bl.o
 obj-$(CONFIG_BACKLIGHT_TOSA)	+= tosa_bl.o
 
diff --git a/drivers/video/backlight/da903x.c b/drivers/video/backlight/da903x.c
new file mode 100644
index 00000000000..242c3825016
--- /dev/null
+++ b/drivers/video/backlight/da903x.c
@@ -0,0 +1,201 @@
+/*
+ * Backlight driver for Dialog Semiconductor DA9030/DA9034
+ *
+ * Copyright (C) 2008 Compulab, Ltd.
+ * 	Mike Rapoport <mike@compulab.co.il>
+ *
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ * 	Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/backlight.h>
+#include <linux/mfd/da903x.h>
+
+#define DA9030_WLED_CONTROL	0x25
+#define DA9030_WLED_CP_EN	(1 << 6)
+#define DA9030_WLED_TRIM(x)	((x) & 0x7)
+
+#define DA9034_WLED_CONTROL1	0x3C
+#define DA9034_WLED_CONTROL2	0x3D
+
+#define DA9034_WLED_BOOST_EN	(1 << 5)
+
+#define DA9030_MAX_BRIGHTNESS	7
+#define DA9034_MAX_BRIGHTNESS	0x7f
+
+struct da903x_backlight_data {
+	struct device *da903x_dev;
+	int id;
+	int current_brightness;
+};
+
+static int da903x_backlight_set(struct backlight_device *bl, int brightness)
+{
+	struct da903x_backlight_data *data = bl_get_data(bl);
+	struct device *dev = data->da903x_dev;
+	uint8_t val;
+	int ret = 0;
+
+	switch (data->id) {
+	case DA9034_ID_WLED:
+		ret = da903x_update(dev, DA9034_WLED_CONTROL1,
+				brightness, 0x7f);
+		if (ret)
+			return ret;
+
+		if (data->current_brightness && brightness == 0)
+			ret = da903x_clr_bits(dev,
+					DA9034_WLED_CONTROL2,
+					DA9034_WLED_BOOST_EN);
+
+		if (data->current_brightness == 0 && brightness)
+			ret = da903x_set_bits(dev,
+					DA9034_WLED_CONTROL2,
+					DA9034_WLED_BOOST_EN);
+		break;
+	case DA9030_ID_WLED:
+		val = DA9030_WLED_TRIM(brightness);
+		val |= brightness ? DA9030_WLED_CP_EN : 0;
+		ret = da903x_write(dev, DA9030_WLED_CONTROL, val);
+		break;
+	}
+
+	if (ret)
+		return ret;
+
+	data->current_brightness = brightness;
+	return 0;
+}
+
+static int da903x_backlight_update_status(struct backlight_device *bl)
+{
+	int brightness = bl->props.brightness;
+
+	if (bl->props.power != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	return da903x_backlight_set(bl, brightness);
+}
+
+static int da903x_backlight_get_brightness(struct backlight_device *bl)
+{
+	struct da903x_backlight_data *data = bl_get_data(bl);
+	return data->current_brightness;
+}
+
+static struct backlight_ops da903x_backlight_ops = {
+	.update_status	= da903x_backlight_update_status,
+	.get_brightness	= da903x_backlight_get_brightness,
+};
+
+static int da903x_backlight_probe(struct platform_device *pdev)
+{
+	struct da903x_backlight_data *data;
+	struct backlight_device *bl;
+	int max_brightness;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (data == NULL)
+		return -ENOMEM;
+
+	switch (pdev->id) {
+	case DA9030_ID_WLED:
+		max_brightness = DA9030_MAX_BRIGHTNESS;
+		break;
+	case DA9034_ID_WLED:
+		max_brightness = DA9034_MAX_BRIGHTNESS;
+		break;
+	default:
+		dev_err(&pdev->dev, "invalid backlight device ID(%d)\n",
+				pdev->id);
+		return -EINVAL;
+	}
+
+	data->id = pdev->id;
+	data->da903x_dev = pdev->dev.parent;
+	data->current_brightness = 0;
+
+	bl = backlight_device_register(pdev->name, data->da903x_dev,
+			data, &da903x_backlight_ops);
+	if (IS_ERR(bl)) {
+		dev_err(&pdev->dev, "failed to register backlight\n");
+		return PTR_ERR(bl);
+	}
+
+	bl->props.max_brightness = max_brightness;
+	bl->props.brightness = max_brightness;
+
+	platform_set_drvdata(pdev, bl);
+	backlight_update_status(bl);
+	return 0;
+}
+
+static int da903x_backlight_remove(struct platform_device *pdev)
+{
+	struct backlight_device *bl = platform_get_drvdata(pdev);
+	struct da903x_backlight_data *data = bl_get_data(bl);
+
+	backlight_device_unregister(bl);
+	kfree(data);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int da903x_backlight_suspend(struct platform_device *pdev,
+				 pm_message_t state)
+{
+	struct backlight_device *bl = platform_get_drvdata(pdev);
+	return da903x_backlight_set(bl, 0);
+}
+
+static int da903x_backlight_resume(struct platform_device *pdev)
+{
+	struct backlight_device *bl = platform_get_drvdata(pdev);
+
+	backlight_update_status(bl);
+	return 0;
+}
+#else
+#define da903x_backlight_suspend	NULL
+#define da903x_backlight_resume		NULL
+#endif
+
+static struct platform_driver da903x_backlight_driver = {
+	.driver		= {
+		.name	= "da903x-backlight",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= da903x_backlight_probe,
+	.remove		= da903x_backlight_remove,
+	.suspend	= da903x_backlight_suspend,
+	.resume		= da903x_backlight_resume,
+};
+
+static int __init da903x_backlight_init(void)
+{
+	return platform_driver_register(&da903x_backlight_driver);
+}
+module_init(da903x_backlight_init);
+
+static void __exit da903x_backlight_exit(void)
+{
+	platform_driver_unregister(&da903x_backlight_driver);
+}
+module_exit(da903x_backlight_exit);
+
+MODULE_DESCRIPTION("Backlight Driver for Dialog Semiconductor DA9030/DA9034");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
+	      "Mike Rapoport <mike@compulab.co.il>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:da903x-backlight");
-- 
GitLab


From d03ebb12981e80de99e9b482639ec3b5795741f3 Mon Sep 17 00:00:00 2001
From: Claudio Nieder <private@claudio.ch>
Date: Mon, 20 Oct 2008 23:35:40 +0100
Subject: [PATCH 1567/2224] backlight: Add driver for Tabletkiosk Sahara
 TouchIT-213 Tablet PC

[akpm@linux-foundation.org: coding-style fixes]
[rpurdie@linux.intel.com: minor tweaks]
Signed-off-by: Claudio Nieder <private@claudio.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/video/backlight/Kconfig     |   7 +
 drivers/video/backlight/Makefile    |   2 +-
 drivers/video/backlight/kb3886_bl.c | 204 ++++++++++++++++++++++++++++
 3 files changed, 212 insertions(+), 1 deletion(-)
 create mode 100644 drivers/video/backlight/kb3886_bl.c

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 5ff97250aa1..51c94a5971b 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -204,3 +204,10 @@ config BACKLIGHT_TOSA
 	  If you have an Sharp SL-6000 Zaurus say Y to enable a driver
 	  for its backlight
 
+config BACKLIGHT_SAHARA
+	tristate "Tabletkiosk Sahara Touch-iT Backlight Driver"
+	depends on BACKLIGHT_CLASS_DEVICE && X86
+	default n
+	help
+	  If you have a Tabletkiosk Sahara Touch-iT, say y to enable the
+	  backlight driver.
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 9c818231f1f..103427de670 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -21,5 +21,5 @@ obj-$(CONFIG_BACKLIGHT_PWM)	+= pwm_bl.o
 obj-$(CONFIG_BACKLIGHT_DA903X)	+= da903x.o
 obj-$(CONFIG_BACKLIGHT_MBP_NVIDIA) += mbp_nvidia_bl.o
 obj-$(CONFIG_BACKLIGHT_TOSA)	+= tosa_bl.o
-
+obj-$(CONFIG_BACKLIGHT_SAHARA)	+= kb3886_bl.o
 
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
new file mode 100644
index 00000000000..a38fda1742d
--- /dev/null
+++ b/drivers/video/backlight/kb3886_bl.c
@@ -0,0 +1,204 @@
+/*
+ *  Backlight Driver for the KB3886 Backlight
+ *
+ *  Copyright (c) 2007-2008 Claudio Nieder
+ *
+ *  Based on corgi_bl.c by Richard Purdie and kb3886 driver by Robert Woerle
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/fb.h>
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/dmi.h>
+
+#define KB3886_PARENT 0x64
+#define KB3886_IO 0x60
+#define KB3886_ADC_DAC_PWM 0xC4
+#define KB3886_PWM0_WRITE 0x81
+#define KB3886_PWM0_READ 0x41
+
+static DEFINE_MUTEX(bl_mutex);
+
+static void kb3886_bl_set_intensity(int intensity)
+{
+	mutex_lock(&bl_mutex);
+	intensity = intensity&0xff;
+	outb(KB3886_ADC_DAC_PWM, KB3886_PARENT);
+	msleep(10);
+	outb(KB3886_PWM0_WRITE, KB3886_IO);
+	msleep(10);
+	outb(intensity, KB3886_IO);
+	mutex_unlock(&bl_mutex);
+}
+
+struct kb3886bl_machinfo {
+	int max_intensity;
+	int default_intensity;
+	int limit_mask;
+	void (*set_bl_intensity)(int intensity);
+};
+
+static struct kb3886bl_machinfo kb3886_bl_machinfo = {
+	.max_intensity = 0xff,
+	.default_intensity = 0xa0,
+	.limit_mask = 0x7f,
+	.set_bl_intensity = kb3886_bl_set_intensity,
+};
+
+static struct platform_device kb3886bl_device = {
+	.name		= "kb3886-bl",
+	.dev		= {
+		.platform_data	= &kb3886_bl_machinfo,
+	},
+	.id		= -1,
+};
+
+static struct platform_device *devices[] __initdata = {
+	&kb3886bl_device,
+};
+
+/*
+ * Back to driver
+ */
+
+static int kb3886bl_intensity;
+static struct backlight_device *kb3886_backlight_device;
+static struct kb3886bl_machinfo *bl_machinfo;
+
+static unsigned long kb3886bl_flags;
+#define KB3886BL_SUSPENDED     0x01
+
+static struct dmi_system_id __initdata kb3886bl_device_table[] = {
+	{
+		.ident = "Sahara Touch-iT",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SDV"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "iTouch T201"),
+		},
+	},
+	{ }
+};
+
+static int kb3886bl_send_intensity(struct backlight_device *bd)
+{
+	int intensity = bd->props.brightness;
+
+	if (bd->props.power != FB_BLANK_UNBLANK)
+		intensity = 0;
+	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
+		intensity = 0;
+	if (kb3886bl_flags & KB3886BL_SUSPENDED)
+		intensity = 0;
+
+	bl_machinfo->set_bl_intensity(intensity);
+
+	kb3886bl_intensity = intensity;
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int kb3886bl_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct backlight_device *bd = platform_get_drvdata(pdev);
+
+	kb3886bl_flags |= KB3886BL_SUSPENDED;
+	backlight_update_status(bd);
+	return 0;
+}
+
+static int kb3886bl_resume(struct platform_device *pdev)
+{
+	struct backlight_device *bd = platform_get_drvdata(pdev);
+
+	kb3886bl_flags &= ~KB3886BL_SUSPENDED;
+	backlight_update_status(bd);
+	return 0;
+}
+#else
+#define kb3886bl_suspend	NULL
+#define kb3886bl_resume		NULL
+#endif
+
+static int kb3886bl_get_intensity(struct backlight_device *bd)
+{
+	return kb3886bl_intensity;
+}
+
+static struct backlight_ops kb3886bl_ops = {
+	.get_brightness = kb3886bl_get_intensity,
+	.update_status  = kb3886bl_send_intensity,
+};
+
+static int kb3886bl_probe(struct platform_device *pdev)
+{
+	struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data;
+
+	bl_machinfo = machinfo;
+	if (!machinfo->limit_mask)
+		machinfo->limit_mask = -1;
+
+	kb3886_backlight_device = backlight_device_register("kb3886-bl",
+		&pdev->dev, NULL, &kb3886bl_ops);
+	if (IS_ERR(kb3886_backlight_device))
+		return PTR_ERR(kb3886_backlight_device);
+
+	platform_set_drvdata(pdev, kb3886_backlight_device);
+
+	kb3886_backlight_device->props.max_brightness = machinfo->max_intensity;
+	kb3886_backlight_device->props.power = FB_BLANK_UNBLANK;
+	kb3886_backlight_device->props.brightness = machinfo->default_intensity;
+	backlight_update_status(kb3886_backlight_device);
+
+	return 0;
+}
+
+static int kb3886bl_remove(struct platform_device *pdev)
+{
+	struct backlight_device *bd = platform_get_drvdata(pdev);
+
+	backlight_device_unregister(bd);
+
+	return 0;
+}
+
+static struct platform_driver kb3886bl_driver = {
+	.probe		= kb3886bl_probe,
+	.remove		= kb3886bl_remove,
+	.suspend	= kb3886bl_suspend,
+	.resume		= kb3886bl_resume,
+	.driver		= {
+		.name	= "kb3886-bl",
+	},
+};
+
+static int __init kb3886_init(void)
+{
+	if (!dmi_check_system(kb3886bl_device_table))
+		return -ENODEV;
+
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+	return platform_driver_register(&kb3886bl_driver);
+}
+
+static void __exit kb3886_exit(void)
+{
+	platform_driver_unregister(&kb3886bl_driver);
+}
+
+module_init(kb3886_init);
+module_exit(kb3886_exit);
+
+MODULE_AUTHOR("Claudio Nieder <private@claudio.ch>");
+MODULE_DESCRIPTION("Tabletkiosk Sahara Touch-iT Backlight Driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("dmi:*:svnSDV:pniTouchT201:*");
-- 
GitLab


From 1ff0fcfcb1a6d0a4c4d065ed230be7beae087b83 Mon Sep 17 00:00:00 2001
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 04:38:40 +0000
Subject: [PATCH 1568/2224] ibm_newemac: Fix new MAL feature handling

Support for new features needed by the PPC 405EZ boards
introduced some errors in the MAL and EMAC feature handling.
This broke 'allmodconfig' builds as CONFIG_PPC_DCR_NATIVE is
not set for those.

This patch fixes these errors by wrapping the code in the
appropriate #ifdefs.

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
---
 drivers/net/ibm_newemac/core.c | 10 +++++++++-
 drivers/net/ibm_newemac/mal.c  | 15 ++++++++++++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index efcf21c9f5c..2ee2622258f 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2604,8 +2604,16 @@ static int __devinit emac_init_config(struct emac_instance *dev)
 		if (of_device_is_compatible(np, "ibm,emac-440ep") ||
 		    of_device_is_compatible(np, "ibm,emac-440gr"))
 			dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
-		if (of_device_is_compatible(np, "ibm,emac-405ez"))
+		if (of_device_is_compatible(np, "ibm,emac-405ez")) {
+#ifdef CONFIG_IBM_NEW_EMAC_NO_FLOW_CONTROL
 			dev->features |= EMAC_FTR_NO_FLOW_CONTROL_40x;
+#else
+			printk(KERN_ERR "%s: Flow control not disabled!\n",
+					np->full_name);
+			return -ENXIO;
+#endif
+		}
+
 	}
 
 	/* Fixup some feature bits based on the device tree */
diff --git a/drivers/net/ibm_newemac/mal.c b/drivers/net/ibm_newemac/mal.c
index 1839d3f154a..ecf9798987f 100644
--- a/drivers/net/ibm_newemac/mal.c
+++ b/drivers/net/ibm_newemac/mal.c
@@ -280,9 +280,11 @@ static irqreturn_t mal_txeob(int irq, void *dev_instance)
 	mal_schedule_poll(mal);
 	set_mal_dcrn(mal, MAL_TXEOBISR, r);
 
+#ifdef CONFIG_PPC_DCR_NATIVE
 	if (mal_has_feature(mal, MAL_FTR_CLEAR_ICINTSTAT))
 		mtdcri(SDR0, DCRN_SDR_ICINTSTAT,
 				(mfdcri(SDR0, DCRN_SDR_ICINTSTAT) | ICINTSTAT_ICTX));
+#endif
 
 	return IRQ_HANDLED;
 }
@@ -298,9 +300,11 @@ static irqreturn_t mal_rxeob(int irq, void *dev_instance)
 	mal_schedule_poll(mal);
 	set_mal_dcrn(mal, MAL_RXEOBISR, r);
 
+#ifdef CONFIG_PPC_DCR_NATIVE
 	if (mal_has_feature(mal, MAL_FTR_CLEAR_ICINTSTAT))
 		mtdcri(SDR0, DCRN_SDR_ICINTSTAT,
 				(mfdcri(SDR0, DCRN_SDR_ICINTSTAT) | ICINTSTAT_ICRX));
+#endif
 
 	return IRQ_HANDLED;
 }
@@ -572,9 +576,18 @@ static int __devinit mal_probe(struct of_device *ofdev,
 		goto fail;
 	}
 
-	if (of_device_is_compatible(ofdev->node, "ibm,mcmal-405ez"))
+	if (of_device_is_compatible(ofdev->node, "ibm,mcmal-405ez")) {
+#if defined(CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT) && \
+		defined(CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR)
 		mal->features |= (MAL_FTR_CLEAR_ICINTSTAT |
 				MAL_FTR_COMMON_ERR_INT);
+#else
+		printk(KERN_ERR "%s: Support for 405EZ not enabled!\n",
+				ofdev->node->full_name);
+		err = -ENODEV;
+		goto fail;
+#endif
+	}
 
 	mal->txeob_irq = irq_of_parse_and_map(ofdev->node, 0);
 	mal->rxeob_irq = irq_of_parse_and_map(ofdev->node, 1);
-- 
GitLab


From baf399273f2ea38e2fcbd4d0b6cc7ba7f7db43eb Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Wed, 15 Oct 2008 13:16:18 +1100
Subject: [PATCH 1569/2224] powerpc/spufs: sputrace: Only enable logging on
 open(), prevent multiple openers

Currently, sputrace will start logging to the event buffer before the
log buffer has been open()ed. This results in a heap of "lost samples"
warnings if the sputrace file hasn't yet been opened.

Since the buffer is reset on open() anyway, there's no need to enable
logging when no-one has opened the log.

Because open clears the log, make it return EBUSY for mutliple open
calls.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/sputrace.c | 32 ++++++++++++++++++--
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c
index 92d20e993ed..50cae0cf098 100644
--- a/arch/powerpc/platforms/cell/spufs/sputrace.c
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.c
@@ -40,6 +40,7 @@ static DECLARE_WAIT_QUEUE_HEAD(sputrace_wait);
 static ktime_t sputrace_start;
 static unsigned long sputrace_head, sputrace_tail;
 static struct sputrace *sputrace_log;
+static int sputrace_logging;
 
 static int sputrace_used(void)
 {
@@ -109,24 +110,49 @@ static ssize_t sputrace_read(struct file *file, char __user *buf,
 
 static int sputrace_open(struct inode *inode, struct file *file)
 {
+	int rc;
+
 	spin_lock(&sputrace_lock);
+	if (sputrace_logging) {
+		rc = -EBUSY;
+		goto out;
+	}
+
+	sputrace_logging = 1;
 	sputrace_head = sputrace_tail = 0;
 	sputrace_start = ktime_get();
+	rc = 0;
+
+out:
 	spin_unlock(&sputrace_lock);
+	return rc;
+}
 
+static int sputrace_release(struct inode *inode, struct file *file)
+{
+	spin_lock(&sputrace_lock);
+	sputrace_logging = 0;
+	spin_unlock(&sputrace_lock);
 	return 0;
 }
 
 static const struct file_operations sputrace_fops = {
-	.owner	= THIS_MODULE,
-	.open	= sputrace_open,
-	.read	= sputrace_read,
+	.owner   = THIS_MODULE,
+	.open    = sputrace_open,
+	.read    = sputrace_read,
+	.release = sputrace_release,
 };
 
 static void sputrace_log_item(const char *name, struct spu_context *ctx,
 		struct spu *spu)
 {
 	spin_lock(&sputrace_lock);
+
+	if (!sputrace_logging) {
+		spin_unlock(&sputrace_lock);
+		return;
+	}
+
 	if (sputrace_avail() > 1) {
 		struct sputrace *t = sputrace_log + sputrace_head;
 
-- 
GitLab


From e869446bb6db209e6092f7cba6cdfc2a5e637177 Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Wed, 15 Oct 2008 13:20:42 +1100
Subject: [PATCH 1570/2224] powerpc/spufs: sputrace: Don't block until the read
 buffer is full

Currently, read() on the sputrace buffer will only return data when
the user buffer is exhausted. This may mean that we never see the
end of the event log, unless we read() with exactly the right-sized
buffer.

This change makes sputrace_read not block if we have data ready to
return.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/sputrace.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c
index 50cae0cf098..a2460e2e192 100644
--- a/arch/powerpc/platforms/cell/spufs/sputrace.c
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.c
@@ -80,6 +80,11 @@ static ssize_t sputrace_read(struct file *file, char __user *buf,
 		char tbuf[128];
 		int width;
 
+		/* If we have data ready to return, don't block waiting
+		 * for more */
+		if (cnt > 0 && sputrace_used() == 0)
+			break;
+
 		error = wait_event_interruptible(sputrace_wait,
 						 sputrace_used() > 0);
 		if (error)
-- 
GitLab


From f5ed0eb6fe131e8f3847323b4aa569a6f7b36f56 Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Thu, 16 Oct 2008 10:03:46 +1100
Subject: [PATCH 1571/2224] powerpc/spufs: Use state_mutex for switch_log
 locking, and prevent multiple openers

Currently, we use ctx->mapping_lock and ctx->switch_log->lock for the
context switch log. The mapping lock only prevents concurrent open()s,
so we require the switch_lock->lock for reads.

Since writes to the switch log buffer occur on context switches, we're
better off synchronising with the state_mutex, which is held during a
switch. Since we're serialised througout the buffer reads and writes,
we can use the state mutex to protect open and release too, and
can now kfree() the log buffer on release. This allows us to perform
the switch log notify without taking any extra locks.

Because the buffer is only present while the file is open, we can use
it to prevent multiple simultaneous openers.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/file.c  | 133 +++++++++++++---------
 arch/powerpc/platforms/cell/spufs/run.c   |   3 +-
 arch/powerpc/platforms/cell/spufs/spufs.h |   1 -
 3 files changed, 81 insertions(+), 56 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 010a51f5979..adb5abb9af5 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -2426,38 +2426,48 @@ static inline int spufs_switch_log_avail(struct spu_context *ctx)
 static int spufs_switch_log_open(struct inode *inode, struct file *file)
 {
 	struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
+	int rc;
+
+	rc = spu_acquire(ctx);
+	if (rc)
+		return rc;
 
-	/*
-	 * We (ab-)use the mapping_lock here because it serves the similar
-	 * purpose for synchronizing open/close elsewhere.  Maybe it should
-	 * be renamed eventually.
-	 */
-	mutex_lock(&ctx->mapping_lock);
 	if (ctx->switch_log) {
-		spin_lock(&ctx->switch_log->lock);
-		ctx->switch_log->head = 0;
-		ctx->switch_log->tail = 0;
-		spin_unlock(&ctx->switch_log->lock);
-	} else {
-		/*
-		 * We allocate the switch log data structures on first open.
-		 * They will never be free because we assume a context will
-		 * be traced until it goes away.
-		 */
-		ctx->switch_log = kzalloc(sizeof(struct switch_log) +
-			SWITCH_LOG_BUFSIZE * sizeof(struct switch_log_entry),
-			GFP_KERNEL);
-		if (!ctx->switch_log)
-			goto out;
-		spin_lock_init(&ctx->switch_log->lock);
-		init_waitqueue_head(&ctx->switch_log->wait);
+		rc = -EBUSY;
+		goto out;
 	}
-	mutex_unlock(&ctx->mapping_lock);
+
+	ctx->switch_log = kzalloc(sizeof(struct switch_log) +
+		SWITCH_LOG_BUFSIZE * sizeof(struct switch_log_entry),
+		GFP_KERNEL);
+
+	if (!ctx->switch_log) {
+		rc = -ENOMEM;
+		goto out;
+	}
+
+	init_waitqueue_head(&ctx->switch_log->wait);
+	rc = 0;
+
+out:
+	spu_release(ctx);
+	return rc;
+}
+
+static int spufs_switch_log_release(struct inode *inode, struct file *file)
+{
+	struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
+	int rc;
+
+	rc = spu_acquire(ctx);
+	if (rc)
+		return rc;
+
+	kfree(ctx->switch_log);
+	ctx->switch_log = NULL;
+	spu_release(ctx);
 
 	return 0;
- out:
-	mutex_unlock(&ctx->mapping_lock);
-	return -ENOMEM;
 }
 
 static int switch_log_sprint(struct spu_context *ctx, char *tbuf, int n)
@@ -2485,42 +2495,46 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
 	if (!buf || len < 0)
 		return -EINVAL;
 
+	error = spu_acquire(ctx);
+	if (error)
+		return error;
+
 	while (cnt < len) {
 		char tbuf[128];
 		int width;
 
 		if (file->f_flags & O_NONBLOCK) {
-			if (spufs_switch_log_used(ctx) <= 0)
-				return cnt ? cnt : -EAGAIN;
+			if (spufs_switch_log_used(ctx) == 0) {
+				error = -EAGAIN;
+				break;
+			}
 		} else {
-			/* Wait for data in buffer */
-			error = wait_event_interruptible(ctx->switch_log->wait,
+			/* spufs_wait will drop the mutex and re-acquire,
+			 * but since we're in read(), the file cannot be
+			 * _released (and so ctx->switch_log is stable).
+			 */
+			error = spufs_wait(ctx->switch_log->wait,
 					spufs_switch_log_used(ctx) > 0);
+
+			/* On error, spufs_wait returns without the
+			 * state mutex held */
 			if (error)
-				break;
+				return error;
 		}
 
-		spin_lock(&ctx->switch_log->lock);
-		if (ctx->switch_log->head == ctx->switch_log->tail) {
-			/* multiple readers race? */
-			spin_unlock(&ctx->switch_log->lock);
+		/* We may have had entries read from underneath us while we
+		 * dropped the mutex in spufs_wait, so re-check */
+		if (ctx->switch_log->head == ctx->switch_log->tail)
 			continue;
-		}
 
 		width = switch_log_sprint(ctx, tbuf, sizeof(tbuf));
-		if (width < len) {
+		if (width < len)
 			ctx->switch_log->tail =
 				(ctx->switch_log->tail + 1) %
 				 SWITCH_LOG_BUFSIZE;
-		}
-
-		spin_unlock(&ctx->switch_log->lock);
-
-		/*
-		 * If the record is greater than space available return
-		 * partial buffer (so far)
-		 */
-		if (width >= len)
+		else
+			/* If the record is greater than space available return
+			 * partial buffer (so far) */
 			break;
 
 		error = copy_to_user(buf + cnt, tbuf, width);
@@ -2529,6 +2543,8 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
 		cnt += width;
 	}
 
+	spu_release(ctx);
+
 	return cnt == 0 ? error : cnt;
 }
 
@@ -2537,29 +2553,41 @@ static unsigned int spufs_switch_log_poll(struct file *file, poll_table *wait)
 	struct inode *inode = file->f_path.dentry->d_inode;
 	struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
 	unsigned int mask = 0;
+	int rc;
 
 	poll_wait(file, &ctx->switch_log->wait, wait);
 
+	rc = spu_acquire(ctx);
+	if (rc)
+		return rc;
+
 	if (spufs_switch_log_used(ctx) > 0)
 		mask |= POLLIN;
 
+	spu_release(ctx);
+
 	return mask;
 }
 
 static const struct file_operations spufs_switch_log_fops = {
-	.owner	= THIS_MODULE,
-	.open	= spufs_switch_log_open,
-	.read	= spufs_switch_log_read,
-	.poll	= spufs_switch_log_poll,
+	.owner		= THIS_MODULE,
+	.open		= spufs_switch_log_open,
+	.read		= spufs_switch_log_read,
+	.poll		= spufs_switch_log_poll,
+	.release	= spufs_switch_log_release,
 };
 
+/**
+ * Log a context switch event to a switch log reader.
+ *
+ * Must be called with ctx->state_mutex held.
+ */
 void spu_switch_log_notify(struct spu *spu, struct spu_context *ctx,
 		u32 type, u32 val)
 {
 	if (!ctx->switch_log)
 		return;
 
-	spin_lock(&ctx->switch_log->lock);
 	if (spufs_switch_log_avail(ctx) > 1) {
 		struct switch_log_entry *p;
 
@@ -2573,7 +2601,6 @@ void spu_switch_log_notify(struct spu *spu, struct spu_context *ctx,
 		ctx->switch_log->head =
 			(ctx->switch_log->head + 1) % SWITCH_LOG_BUFSIZE;
 	}
-	spin_unlock(&ctx->switch_log->lock);
 
 	wake_up(&ctx->switch_log->wait);
 }
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index c9bb7cfd3dc..c58bd36b0c5 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -249,6 +249,7 @@ static int spu_run_fini(struct spu_context *ctx, u32 *npc,
 
 	spuctx_switch_state(ctx, SPU_UTIL_IDLE_LOADED);
 	clear_bit(SPU_SCHED_SPU_RUN, &ctx->sched_flags);
+	spu_switch_log_notify(NULL, ctx, SWITCH_LOG_EXIT, *status);
 	spu_release(ctx);
 
 	if (signal_pending(current))
@@ -417,8 +418,6 @@ long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *event)
 	ret = spu_run_fini(ctx, npc, &status);
 	spu_yield(ctx);
 
-	spu_switch_log_notify(NULL, ctx, SWITCH_LOG_EXIT, status);
-
 	if ((status & SPU_STATUS_STOPPED_BY_STOP) &&
 	    (((status >> SPU_STOP_STATUS_SHIFT) & 0x3f00) == 0x2100))
 		ctx->stats.libassist++;
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 8ae8ef9dfc2..15c62d3ca12 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -65,7 +65,6 @@ enum {
 };
 
 struct switch_log {
-	spinlock_t		lock;
 	wait_queue_head_t	wait;
 	unsigned long		head;
 	unsigned long		tail;
-- 
GitLab


From 14f693eeb5b16bc47ffa38d8b8838a654aedd53f Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Thu, 16 Oct 2008 10:51:46 +1100
Subject: [PATCH 1572/2224] powerpc/spufs: Don't require full buffer in
 switch_log read

Currently, read() on the sputrace log will block until the read buffer
is full. This makes it difficult to retrieve the end of the buffer, as
the user will need to read with the right-sized buffer.

In a similar method as 91553a1b5e0df006a3573a88d98ee7cd48a3818a, this
change makes the switch_log return if there has already been data
read.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/file.c | 46 ++++++++++++++----------
 1 file changed, 27 insertions(+), 19 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index adb5abb9af5..f139cd8b594 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -2503,30 +2503,38 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
 		char tbuf[128];
 		int width;
 
-		if (file->f_flags & O_NONBLOCK) {
-			if (spufs_switch_log_used(ctx) == 0) {
+		if (spufs_switch_log_used(ctx) == 0) {
+			if (cnt > 0) {
+				/* If there's data ready to go, we can
+				 * just return straight away */
+				break;
+
+			} else if (file->f_flags & O_NONBLOCK) {
 				error = -EAGAIN;
 				break;
+
+			} else {
+				/* spufs_wait will drop the mutex and
+				 * re-acquire, but since we're in read(), the
+				 * file cannot be _released (and so
+				 * ctx->switch_log is stable).
+				 */
+				error = spufs_wait(ctx->switch_log->wait,
+						spufs_switch_log_used(ctx) > 0);
+
+				/* On error, spufs_wait returns without the
+				 * state mutex held */
+				if (error)
+					return error;
+
+				/* We may have had entries read from underneath
+				 * us while we dropped the mutex in spufs_wait,
+				 * so re-check */
+				if (spufs_switch_log_used(ctx) == 0)
+					continue;
 			}
-		} else {
-			/* spufs_wait will drop the mutex and re-acquire,
-			 * but since we're in read(), the file cannot be
-			 * _released (and so ctx->switch_log is stable).
-			 */
-			error = spufs_wait(ctx->switch_log->wait,
-					spufs_switch_log_used(ctx) > 0);
-
-			/* On error, spufs_wait returns without the
-			 * state mutex held */
-			if (error)
-				return error;
 		}
 
-		/* We may have had entries read from underneath us while we
-		 * dropped the mutex in spufs_wait, so re-check */
-		if (ctx->switch_log->head == ctx->switch_log->tail)
-			continue;
-
 		width = switch_log_sprint(ctx, tbuf, sizeof(tbuf));
 		if (width < len)
 			ctx->switch_log->tail =
-- 
GitLab


From f027faa231f38c02e949352735eac76f29090809 Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Thu, 16 Oct 2008 11:11:12 +1100
Subject: [PATCH 1573/2224] powerpc/spufs: Don't spu_acquire_saved
 unnecessarily in regs read

With most file readers (eg cat, dd), reading a context's regs file will
result in two reads: the first to read the data, and the second to
return EOF. Because each read performs a spu_acquire_saved, we end up
descheduling and re-scheduling the context twice.

This change does a simple check to see if we'd return EOF before
calling spu_acquire_saved(), saving the extra schedule operation.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/file.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index f139cd8b594..b6f7b917b56 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -548,6 +548,11 @@ spufs_regs_read(struct file *file, char __user *buffer,
 	int ret;
 	struct spu_context *ctx = file->private_data;
 
+	/* pre-check for file position: if we'd return EOF, there's no point
+	 * causing a deschedule */
+	if (*pos >= sizeof(ctx->csa.lscsa->gprs))
+		return 0;
+
 	ret = spu_acquire_saved(ctx);
 	if (ret)
 		return ret;
-- 
GitLab


From 837ef884b702edd1c4514eaed1dbecd48721bd22 Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Fri, 17 Oct 2008 12:02:31 +1100
Subject: [PATCH 1574/2224] powerpc/spufs: Use kmalloc rather than kzalloc for
 switch log buffer

No need to zero the entire buffer, just the head and tail indices.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index b6f7b917b56..b73c369cc6f 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -2442,7 +2442,7 @@ static int spufs_switch_log_open(struct inode *inode, struct file *file)
 		goto out;
 	}
 
-	ctx->switch_log = kzalloc(sizeof(struct switch_log) +
+	ctx->switch_log = kmalloc(sizeof(struct switch_log) +
 		SWITCH_LOG_BUFSIZE * sizeof(struct switch_log_entry),
 		GFP_KERNEL);
 
@@ -2451,6 +2451,7 @@ static int spufs_switch_log_open(struct inode *inode, struct file *file)
 		goto out;
 	}
 
+	ctx->switch_log->head = ctx->switch_log->tail = 0;
 	init_waitqueue_head(&ctx->switch_log->wait);
 	rc = 0;
 
-- 
GitLab


From 10baa26c8ccba6f100397c9ba6534be175762e8d Mon Sep 17 00:00:00 2001
From: Andre Detsch <adetsch@br.ibm.com>
Date: Tue, 21 Oct 2008 11:15:23 +1100
Subject: [PATCH 1575/2224] powerpc/spufs: Improve search of node for contexts
 with SPU affinity

This patch improves redability of the code responsible for trying to find
a node with enough SPUs not committed to other affinity gangs.

An additional check is also added, to avoid taking into account gangs that
have no SPU affinity.

Signed-off-by: Andre Detsch <adetsch@br.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/sched.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 67595bc380d..6253df5a436 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -312,6 +312,15 @@ static struct spu *aff_ref_location(struct spu_context *ctx, int mem_aff,
 	 */
 	node = cpu_to_node(raw_smp_processor_id());
 	for (n = 0; n < MAX_NUMNODES; n++, node++) {
+		/*
+		 * "available_spus" counts how many spus are not potentially
+		 * going to be used by other affinity gangs whose reference
+		 * context is already in place. Although this code seeks to
+		 * avoid having affinity gangs with a summed amount of
+		 * contexts bigger than the amount of spus in the node,
+		 * this may happen sporadically. In this case, available_spus
+		 * becomes negative, which is harmless.
+		 */
 		int available_spus;
 
 		node = (node < MAX_NUMNODES) ? node : 0;
@@ -321,12 +330,10 @@ static struct spu *aff_ref_location(struct spu_context *ctx, int mem_aff,
 		available_spus = 0;
 		mutex_lock(&cbe_spu_info[node].list_mutex);
 		list_for_each_entry(spu, &cbe_spu_info[node].spus, cbe_list) {
-			if (spu->ctx && spu->ctx->gang
-					&& spu->ctx->aff_offset == 0)
-				available_spus -=
-					(spu->ctx->gang->contexts - 1);
-			else
-				available_spus++;
+			if (spu->ctx && spu->ctx->gang && !spu->ctx->aff_offset
+					&& spu->ctx->gang->aff_ref_spu)
+				available_spus -= spu->ctx->gang->contexts;
+			available_spus++;
 		}
 		if (available_spus < ctx->gang->contexts) {
 			mutex_unlock(&cbe_spu_info[node].list_mutex);
-- 
GitLab


From 34318c253b861f82bd4a2956e6c8ae8ee2c3aae7 Mon Sep 17 00:00:00 2001
From: Andre Detsch <adetsch@br.ibm.com>
Date: Tue, 21 Oct 2008 11:16:09 +1100
Subject: [PATCH 1576/2224] powerpc/spufs: Explain conditional decrement of
 aff_sched_count

This patch adds a comment to clarify why atomic_dec_if_positive is being used
to decrement gang's aff_sched_count on SPU context unbind.

Signed-off-by: Andre Detsch <adetsch@br.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 arch/powerpc/platforms/cell/spufs/sched.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 6253df5a436..2ad914c4749 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -444,6 +444,11 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx)
 		atomic_dec(&cbe_spu_info[spu->node].reserved_spus);
 
 	if (ctx->gang)
+		/*
+		 * If ctx->gang->aff_sched_count is positive, SPU affinity is
+		 * being considered in this gang. Using atomic_dec_if_positive
+		 * allow us to skip an explicit check for affinity in this gang
+		 */
 		atomic_dec_if_positive(&ctx->gang->aff_sched_count);
 
 	spu_switch_notify(spu, NULL);
-- 
GitLab


From 25af3b0f757d4ce833c1df9b64b7357a9fc8f4a5 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.miao@marvell.com>
Date: Tue, 21 Oct 2008 09:42:29 +0800
Subject: [PATCH 1577/2224] Revert "[ARM] pxa/corgi: remove now unused
 corgi_ssp.c and corgi_lcd.c"

This reverts commit 68677ab3d08ed6d57be0c1ae4e4d364bb2d104b6.

A smoother migration path would be making corgi_ts.c and other drivers
depending on corgi_ssp.c and corgi_lcd.c to depend on BROKEN instead,
and still allows those to exist around for some time.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
---
 arch/arm/mach-pxa/corgi_lcd.c          | 290 +++++++++++++++++++++++++
 arch/arm/mach-pxa/corgi_ssp.c          | 276 +++++++++++++++++++++++
 arch/arm/mach-pxa/include/mach/corgi.h |   1 +
 arch/arm/mach-pxa/include/mach/spitz.h |   1 +
 arch/arm/mach-pxa/sharpsl_pm.c         |  17 +-
 5 files changed, 583 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm/mach-pxa/corgi_lcd.c
 create mode 100644 arch/arm/mach-pxa/corgi_ssp.c

diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c
new file mode 100644
index 00000000000..311baf149b0
--- /dev/null
+++ b/arch/arm/mach-pxa/corgi_lcd.c
@@ -0,0 +1,290 @@
+/*
+ * linux/arch/arm/mach-pxa/corgi_lcd.c
+ *
+ * Corgi/Spitz LCD Specific Code
+ *
+ * Copyright (C) 2005 Richard Purdie
+ *
+ * Connectivity:
+ *   Corgi - LCD to ATI Imageon w100 (Wallaby)
+ *   Spitz - LCD to PXA Framebuffer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <mach/akita.h>
+#include <mach/corgi.h>
+#include <mach/hardware.h>
+#include <mach/pxa-regs.h>
+#include <mach/sharpsl.h>
+#include <mach/spitz.h>
+#include <asm/hardware/scoop.h>
+#include <asm/mach/sharpsl_param.h>
+#include "generic.h"
+
+/* Register Addresses */
+#define RESCTL_ADRS     0x00
+#define PHACTRL_ADRS    0x01
+#define DUTYCTRL_ADRS   0x02
+#define POWERREG0_ADRS  0x03
+#define POWERREG1_ADRS  0x04
+#define GPOR3_ADRS      0x05
+#define PICTRL_ADRS     0x06
+#define POLCTRL_ADRS    0x07
+
+/* Register Bit Definitions */
+#define RESCTL_QVGA     0x01
+#define RESCTL_VGA      0x00
+
+#define POWER1_VW_ON    0x01  /* VW Supply FET ON */
+#define POWER1_GVSS_ON  0x02  /* GVSS(-8V) Power Supply ON */
+#define POWER1_VDD_ON   0x04  /* VDD(8V),SVSS(-4V) Power Supply ON */
+
+#define POWER1_VW_OFF   0x00  /* VW Supply FET OFF */
+#define POWER1_GVSS_OFF 0x00  /* GVSS(-8V) Power Supply OFF */
+#define POWER1_VDD_OFF  0x00  /* VDD(8V),SVSS(-4V) Power Supply OFF */
+
+#define POWER0_COM_DCLK 0x01  /* COM Voltage DC Bias DAC Serial Data Clock */
+#define POWER0_COM_DOUT 0x02  /* COM Voltage DC Bias DAC Serial Data Out */
+#define POWER0_DAC_ON   0x04  /* DAC Power Supply ON */
+#define POWER0_COM_ON   0x08  /* COM Power Supply ON */
+#define POWER0_VCC5_ON  0x10  /* VCC5 Power Supply ON */
+
+#define POWER0_DAC_OFF  0x00  /* DAC Power Supply OFF */
+#define POWER0_COM_OFF  0x00  /* COM Power Supply OFF */
+#define POWER0_VCC5_OFF 0x00  /* VCC5 Power Supply OFF */
+
+#define PICTRL_INIT_STATE      0x01
+#define PICTRL_INIOFF          0x02
+#define PICTRL_POWER_DOWN      0x04
+#define PICTRL_COM_SIGNAL_OFF  0x08
+#define PICTRL_DAC_SIGNAL_OFF  0x10
+
+#define POLCTRL_SYNC_POL_FALL  0x01
+#define POLCTRL_EN_POL_FALL    0x02
+#define POLCTRL_DATA_POL_FALL  0x04
+#define POLCTRL_SYNC_ACT_H     0x08
+#define POLCTRL_EN_ACT_L       0x10
+
+#define POLCTRL_SYNC_POL_RISE  0x00
+#define POLCTRL_EN_POL_RISE    0x00
+#define POLCTRL_DATA_POL_RISE  0x00
+#define POLCTRL_SYNC_ACT_L     0x00
+#define POLCTRL_EN_ACT_H       0x00
+
+#define PHACTRL_PHASE_MANUAL   0x01
+#define DEFAULT_PHAD_QVGA     (9)
+#define DEFAULT_COMADJ        (125)
+
+/*
+ * This is only a psuedo I2C interface. We can't use the standard kernel
+ * routines as the interface is write only. We just assume the data is acked...
+ */
+static void lcdtg_ssp_i2c_send(u8 data)
+{
+	corgi_ssp_lcdtg_send(POWERREG0_ADRS, data);
+	udelay(10);
+}
+
+static void lcdtg_i2c_send_bit(u8 data)
+{
+	lcdtg_ssp_i2c_send(data);
+	lcdtg_ssp_i2c_send(data | POWER0_COM_DCLK);
+	lcdtg_ssp_i2c_send(data);
+}
+
+static void lcdtg_i2c_send_start(u8 base)
+{
+	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK | POWER0_COM_DOUT);
+	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK);
+	lcdtg_ssp_i2c_send(base);
+}
+
+static void lcdtg_i2c_send_stop(u8 base)
+{
+	lcdtg_ssp_i2c_send(base);
+	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK);
+	lcdtg_ssp_i2c_send(base | POWER0_COM_DCLK | POWER0_COM_DOUT);
+}
+
+static void lcdtg_i2c_send_byte(u8 base, u8 data)
+{
+	int i;
+	for (i = 0; i < 8; i++) {
+		if (data & 0x80)
+			lcdtg_i2c_send_bit(base | POWER0_COM_DOUT);
+		else
+			lcdtg_i2c_send_bit(base);
+		data <<= 1;
+	}
+}
+
+static void lcdtg_i2c_wait_ack(u8 base)
+{
+	lcdtg_i2c_send_bit(base);
+}
+
+static void lcdtg_set_common_voltage(u8 base_data, u8 data)
+{
+	/* Set Common Voltage to M62332FP via I2C */
+	lcdtg_i2c_send_start(base_data);
+	lcdtg_i2c_send_byte(base_data, 0x9c);
+	lcdtg_i2c_wait_ack(base_data);
+	lcdtg_i2c_send_byte(base_data, 0x00);
+	lcdtg_i2c_wait_ack(base_data);
+	lcdtg_i2c_send_byte(base_data, data);
+	lcdtg_i2c_wait_ack(base_data);
+	lcdtg_i2c_send_stop(base_data);
+}
+
+/* Set Phase Adjust */
+static void lcdtg_set_phadadj(int mode)
+{
+	int adj;
+	switch(mode) {
+		case 480:
+		case 640:
+			/* Setting for VGA */
+			adj = sharpsl_param.phadadj;
+			if (adj < 0) {
+				adj = PHACTRL_PHASE_MANUAL;
+			} else {
+				adj = ((adj & 0x0f) << 1) | PHACTRL_PHASE_MANUAL;
+			}
+			break;
+		case 240:
+		case 320:
+		default:
+			/* Setting for QVGA */
+			adj = (DEFAULT_PHAD_QVGA << 1) | PHACTRL_PHASE_MANUAL;
+			break;
+	}
+
+	corgi_ssp_lcdtg_send(PHACTRL_ADRS, adj);
+}
+
+static int lcd_inited;
+
+void corgi_lcdtg_hw_init(int mode)
+{
+	if (!lcd_inited) {
+		int comadj;
+
+		/* Initialize Internal Logic & Port */
+		corgi_ssp_lcdtg_send(PICTRL_ADRS, PICTRL_POWER_DOWN | PICTRL_INIOFF | PICTRL_INIT_STATE
+	  			| PICTRL_COM_SIGNAL_OFF | PICTRL_DAC_SIGNAL_OFF);
+
+		corgi_ssp_lcdtg_send(POWERREG0_ADRS, POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_OFF
+				| POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+		corgi_ssp_lcdtg_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF);
+
+		/* VDD(+8V), SVSS(-4V) ON */
+		corgi_ssp_lcdtg_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON);
+		mdelay(3);
+
+		/* DAC ON */
+		corgi_ssp_lcdtg_send(POWERREG0_ADRS, POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON
+				| POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+		/* INIB = H, INI = L  */
+		/* PICTL[0] = H , PICTL[1] = PICTL[2] = PICTL[4] = L */
+		corgi_ssp_lcdtg_send(PICTRL_ADRS, PICTRL_INIT_STATE | PICTRL_COM_SIGNAL_OFF);
+
+		/* Set Common Voltage */
+		comadj = sharpsl_param.comadj;
+		if (comadj < 0)
+			comadj = DEFAULT_COMADJ;
+		lcdtg_set_common_voltage((POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF), comadj);
+
+		/* VCC5 ON, DAC ON */
+		corgi_ssp_lcdtg_send(POWERREG0_ADRS, POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON |
+				POWER0_COM_OFF | POWER0_VCC5_ON);
+
+		/* GVSS(-8V) ON, VDD ON */
+		corgi_ssp_lcdtg_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON);
+		mdelay(2);
+
+		/* COM SIGNAL ON (PICTL[3] = L) */
+		corgi_ssp_lcdtg_send(PICTRL_ADRS, PICTRL_INIT_STATE);
+
+		/* COM ON, DAC ON, VCC5_ON */
+		corgi_ssp_lcdtg_send(POWERREG0_ADRS, POWER0_COM_DCLK | POWER0_COM_DOUT | POWER0_DAC_ON
+				| POWER0_COM_ON | POWER0_VCC5_ON);
+
+		/* VW ON, GVSS ON, VDD ON */
+		corgi_ssp_lcdtg_send(POWERREG1_ADRS, POWER1_VW_ON | POWER1_GVSS_ON | POWER1_VDD_ON);
+
+		/* Signals output enable */
+		corgi_ssp_lcdtg_send(PICTRL_ADRS, 0);
+
+		/* Set Phase Adjust */
+		lcdtg_set_phadadj(mode);
+
+		/* Initialize for Input Signals from ATI */
+		corgi_ssp_lcdtg_send(POLCTRL_ADRS, POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE
+				| POLCTRL_DATA_POL_RISE | POLCTRL_SYNC_ACT_L | POLCTRL_EN_ACT_H);
+		udelay(1000);
+
+		lcd_inited=1;
+	} else {
+		lcdtg_set_phadadj(mode);
+	}
+
+	switch(mode) {
+		case 480:
+		case 640:
+			/* Set Lcd Resolution (VGA) */
+			corgi_ssp_lcdtg_send(RESCTL_ADRS, RESCTL_VGA);
+			break;
+		case 240:
+		case 320:
+		default:
+			/* Set Lcd Resolution (QVGA) */
+			corgi_ssp_lcdtg_send(RESCTL_ADRS, RESCTL_QVGA);
+			break;
+	}
+}
+
+void corgi_lcdtg_suspend(void)
+{
+	/* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */
+	mdelay(34);
+
+	/* (1)VW OFF */
+	corgi_ssp_lcdtg_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_ON | POWER1_VDD_ON);
+
+	/* (2)COM OFF */
+	corgi_ssp_lcdtg_send(PICTRL_ADRS, PICTRL_COM_SIGNAL_OFF);
+	corgi_ssp_lcdtg_send(POWERREG0_ADRS, POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON);
+
+	/* (3)Set Common Voltage Bias 0V */
+	lcdtg_set_common_voltage(POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_ON, 0);
+
+	/* (4)GVSS OFF */
+	corgi_ssp_lcdtg_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_ON);
+
+	/* (5)VCC5 OFF */
+	corgi_ssp_lcdtg_send(POWERREG0_ADRS, POWER0_DAC_ON | POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+	/* (6)Set PDWN, INIOFF, DACOFF */
+	corgi_ssp_lcdtg_send(PICTRL_ADRS, PICTRL_INIOFF | PICTRL_DAC_SIGNAL_OFF |
+			PICTRL_POWER_DOWN | PICTRL_COM_SIGNAL_OFF);
+
+	/* (7)DAC OFF */
+	corgi_ssp_lcdtg_send(POWERREG0_ADRS, POWER0_DAC_OFF | POWER0_COM_OFF | POWER0_VCC5_OFF);
+
+	/* (8)VDD OFF */
+	corgi_ssp_lcdtg_send(POWERREG1_ADRS, POWER1_VW_OFF | POWER1_GVSS_OFF | POWER1_VDD_OFF);
+
+	lcd_inited = 0;
+}
+
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
new file mode 100644
index 00000000000..8e2f2215c4b
--- /dev/null
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -0,0 +1,276 @@
+/*
+ *  SSP control code for Sharp Corgi devices
+ *
+ *  Copyright (c) 2004-2005 Richard Purdie
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+
+#include <mach/ssp.h>
+#include <mach/pxa-regs.h>
+#include <mach/pxa2xx-gpio.h>
+#include <mach/regs-ssp.h>
+#include "sharpsl.h"
+
+static DEFINE_SPINLOCK(corgi_ssp_lock);
+static struct ssp_dev corgi_ssp_dev;
+static struct ssp_state corgi_ssp_state;
+static struct corgissp_machinfo *ssp_machinfo;
+
+/*
+ * There are three devices connected to the SSP interface:
+ *   1. A touchscreen controller (TI ADS7846 compatible)
+ *   2. An LCD controller (with some Backlight functionality)
+ *   3. A battery monitoring IC (Maxim MAX1111)
+ *
+ * Each device uses a different speed/mode of communication.
+ *
+ * The touchscreen is very sensitive and the most frequently used
+ * so the port is left configured for this.
+ *
+ * Devices are selected using Chip Selects on GPIOs.
+ */
+
+/*
+ *  ADS7846 Routines
+ */
+unsigned long corgi_ssp_ads7846_putget(ulong data)
+{
+	unsigned long flag;
+	u32 ret = 0;
+
+	spin_lock_irqsave(&corgi_ssp_lock, flag);
+	if (ssp_machinfo->cs_ads7846 >= 0)
+		GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+
+	ssp_write_word(&corgi_ssp_dev,data);
+ 	ssp_read_word(&corgi_ssp_dev, &ret);
+
+	if (ssp_machinfo->cs_ads7846 >= 0)
+		GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+	spin_unlock_irqrestore(&corgi_ssp_lock, flag);
+
+	return ret;
+}
+
+/*
+ * NOTE: These functions should always be called in interrupt context
+ * and use the _lock and _unlock functions. They are very time sensitive.
+ */
+void corgi_ssp_ads7846_lock(void)
+{
+	spin_lock(&corgi_ssp_lock);
+	if (ssp_machinfo->cs_ads7846 >= 0)
+		GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+}
+
+void corgi_ssp_ads7846_unlock(void)
+{
+	if (ssp_machinfo->cs_ads7846 >= 0)
+		GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
+	spin_unlock(&corgi_ssp_lock);
+}
+
+void corgi_ssp_ads7846_put(ulong data)
+{
+	ssp_write_word(&corgi_ssp_dev,data);
+}
+
+unsigned long corgi_ssp_ads7846_get(void)
+{
+	u32 ret = 0;
+	ssp_read_word(&corgi_ssp_dev, &ret);
+	return ret;
+}
+
+EXPORT_SYMBOL(corgi_ssp_ads7846_putget);
+EXPORT_SYMBOL(corgi_ssp_ads7846_lock);
+EXPORT_SYMBOL(corgi_ssp_ads7846_unlock);
+EXPORT_SYMBOL(corgi_ssp_ads7846_put);
+EXPORT_SYMBOL(corgi_ssp_ads7846_get);
+
+
+/*
+ *  LCD/Backlight Routines
+ */
+unsigned long corgi_ssp_dac_put(ulong data)
+{
+	unsigned long flag, sscr1 = SSCR1_SPH;
+	u32 tmp;
+
+	spin_lock_irqsave(&corgi_ssp_lock, flag);
+
+	if (machine_is_spitz() || machine_is_akita() || machine_is_borzoi())
+		sscr1 = 0;
+
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), sscr1, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_lcdcon));
+	ssp_enable(&corgi_ssp_dev);
+
+	if (ssp_machinfo->cs_lcdcon >= 0)
+		GPCR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
+	ssp_write_word(&corgi_ssp_dev,data);
+	/* Read null data back from device to prevent SSP overflow */
+	ssp_read_word(&corgi_ssp_dev, &tmp);
+	if (ssp_machinfo->cs_lcdcon >= 0)
+		GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
+
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
+	ssp_enable(&corgi_ssp_dev);
+
+	spin_unlock_irqrestore(&corgi_ssp_lock, flag);
+
+	return 0;
+}
+
+void corgi_ssp_lcdtg_send(u8 adrs, u8 data)
+{
+	corgi_ssp_dac_put(((adrs & 0x07) << 5) | (data & 0x1f));
+}
+
+void corgi_ssp_blduty_set(int duty)
+{
+	corgi_ssp_lcdtg_send(0x02,duty);
+}
+
+EXPORT_SYMBOL(corgi_ssp_lcdtg_send);
+EXPORT_SYMBOL(corgi_ssp_blduty_set);
+
+/*
+ *  Max1111 Routines
+ */
+int corgi_ssp_max1111_get(ulong data)
+{
+	unsigned long flag;
+	long voltage = 0, voltage1 = 0, voltage2 = 0;
+
+	spin_lock_irqsave(&corgi_ssp_lock, flag);
+	if (ssp_machinfo->cs_max1111 >= 0)
+		GPCR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_max1111));
+	ssp_enable(&corgi_ssp_dev);
+
+	udelay(1);
+
+	/* TB1/RB1 */
+	ssp_write_word(&corgi_ssp_dev,data);
+	ssp_read_word(&corgi_ssp_dev, (u32*)&voltage1); /* null read */
+
+	/* TB12/RB2 */
+	ssp_write_word(&corgi_ssp_dev,0);
+	ssp_read_word(&corgi_ssp_dev, (u32*)&voltage1);
+
+	/* TB13/RB3*/
+	ssp_write_word(&corgi_ssp_dev,0);
+	ssp_read_word(&corgi_ssp_dev, (u32*)&voltage2);
+
+	ssp_disable(&corgi_ssp_dev);
+	ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
+	ssp_enable(&corgi_ssp_dev);
+	if (ssp_machinfo->cs_max1111 >= 0)
+		GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
+	spin_unlock_irqrestore(&corgi_ssp_lock, flag);
+
+	if (voltage1 & 0xc0 || voltage2 & 0x3f)
+		voltage = -1;
+	else
+		voltage = ((voltage1 << 2) & 0xfc) | ((voltage2 >> 6) & 0x03);
+
+	return voltage;
+}
+
+EXPORT_SYMBOL(corgi_ssp_max1111_get);
+
+/*
+ *  Support Routines
+ */
+
+void __init corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo)
+{
+	ssp_machinfo = machinfo;
+}
+
+static int __init corgi_ssp_probe(struct platform_device *dev)
+{
+	int ret;
+
+	/* Chip Select - Disable All */
+	if (ssp_machinfo->cs_lcdcon >= 0)
+		pxa_gpio_mode(ssp_machinfo->cs_lcdcon  | GPIO_OUT | GPIO_DFLT_HIGH);
+	if (ssp_machinfo->cs_max1111 >= 0)
+	        pxa_gpio_mode(ssp_machinfo->cs_max1111 | GPIO_OUT | GPIO_DFLT_HIGH);
+	if (ssp_machinfo->cs_ads7846 >= 0)
+        	pxa_gpio_mode(ssp_machinfo->cs_ads7846 | GPIO_OUT | GPIO_DFLT_HIGH);
+
+	ret = ssp_init(&corgi_ssp_dev, ssp_machinfo->port, 0);
+
+	if (ret)
+		printk(KERN_ERR "Unable to register SSP handler!\n");
+	else {
+		ssp_disable(&corgi_ssp_dev);
+		ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
+		ssp_enable(&corgi_ssp_dev);
+	}
+
+	return ret;
+}
+
+static int corgi_ssp_remove(struct platform_device *dev)
+{
+	ssp_exit(&corgi_ssp_dev);
+	return 0;
+}
+
+static int corgi_ssp_suspend(struct platform_device *dev, pm_message_t state)
+{
+	ssp_flush(&corgi_ssp_dev);
+	ssp_save_state(&corgi_ssp_dev,&corgi_ssp_state);
+
+	return 0;
+}
+
+static int corgi_ssp_resume(struct platform_device *dev)
+{
+	if (ssp_machinfo->cs_lcdcon >= 0)
+		GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);  /* High - Disable LCD Control/Timing Gen */
+	if (ssp_machinfo->cs_max1111 >= 0)
+		GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); /* High - Disable MAX1111*/
+	if (ssp_machinfo->cs_ads7846 >= 0)
+		GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/
+	ssp_restore_state(&corgi_ssp_dev,&corgi_ssp_state);
+	ssp_enable(&corgi_ssp_dev);
+
+	return 0;
+}
+
+static struct platform_driver corgissp_driver = {
+	.probe		= corgi_ssp_probe,
+	.remove		= corgi_ssp_remove,
+	.suspend	= corgi_ssp_suspend,
+	.resume		= corgi_ssp_resume,
+	.driver		= {
+		.name	= "corgi-ssp",
+	},
+};
+
+int __init corgi_ssp_init(void)
+{
+	return platform_driver_register(&corgissp_driver);
+}
+
+arch_initcall(corgi_ssp_init);
diff --git a/arch/arm/mach-pxa/include/mach/corgi.h b/arch/arm/mach-pxa/include/mach/corgi.h
index 585970ef08c..7239281788d 100644
--- a/arch/arm/mach-pxa/include/mach/corgi.h
+++ b/arch/arm/mach-pxa/include/mach/corgi.h
@@ -113,6 +113,7 @@
  * Shared data structures
  */
 extern struct platform_device corgiscoop_device;
+extern struct platform_device corgissp_device;
 
 #endif /* __ASM_ARCH_CORGI_H  */
 
diff --git a/arch/arm/mach-pxa/include/mach/spitz.h b/arch/arm/mach-pxa/include/mach/spitz.h
index 31ac26b55bc..56088a24615 100644
--- a/arch/arm/mach-pxa/include/mach/spitz.h
+++ b/arch/arm/mach-pxa/include/mach/spitz.h
@@ -187,4 +187,5 @@
  */
 extern struct platform_device spitzscoop_device;
 extern struct platform_device spitzscoop2_device;
+extern struct platform_device spitzssp_device;
 extern struct sharpsl_charger_machinfo spitz_pm_machinfo;
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 15c2f1a8623..9427d808839 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -116,20 +116,33 @@ struct battery_thresh  spitz_battery_levels_noac[] = {
 	{   0,   0},
 };
 
+/* MAX1111 Commands */
+#define MAXCTRL_PD0      1u << 0
+#define MAXCTRL_PD1      1u << 1
+#define MAXCTRL_SGL      1u << 2
+#define MAXCTRL_UNI      1u << 3
+#define MAXCTRL_SEL_SH   4
+#define MAXCTRL_STR      1u << 7
+
 /*
  * Read MAX1111 ADC
  */
-extern int max1111_read_channel(int);
-
 int sharpsl_pm_pxa_read_max1111(int channel)
 {
 	if (machine_is_tosa()) // Ugly, better move this function into another module
 	    return 0;
 
+#ifdef CONFIG_SENSORS_MAX1111
+	extern int max1111_read_channel(int);
+
 	/* max1111 accepts channels from 0-3, however,
 	 * it is encoded from 0-7 here in the code.
 	 */
 	return max1111_read_channel(channel >> 1);
+#else
+	return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
+			| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
+#endif
 }
 
 void sharpsl_pm_pxa_init(void)
-- 
GitLab


From 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 12:07:40 +0900
Subject: [PATCH 1578/2224] binfmt_elf_fdpic: Update for cputime changes.

Commit f06febc96ba8e0af80bcc3eaec0a109e88275fac ("timers: fix itimer/
many thread hang") introduced a new task_cputime interface and
subsequently only converted binfmt_elf over to it.  This results in the
build for binfmt_elf_fdpic blowing up given that p->signal->{u,s}time
have disappeared from underneath us.

Apply the same trivial fix from binfmt_elf to binfmt_elf_fdpic.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/binfmt_elf_fdpic.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 0e8367c5462..5b5424cb339 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1390,20 +1390,15 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
 	prstatus->pr_pgrp = task_pgrp_vnr(p);
 	prstatus->pr_sid = task_session_vnr(p);
 	if (thread_group_leader(p)) {
+		struct task_cputime cputime;
+
 		/*
-		 * This is the record for the group leader.  Add in the
-		 * cumulative times of previous dead threads.  This total
-		 * won't include the time of each live thread whose state
-		 * is included in the core dump.  The final total reported
-		 * to our parent process when it calls wait4 will include
-		 * those sums as well as the little bit more time it takes
-		 * this and each other thread to finish dying after the
-		 * core dump synchronization phase.
+		 * This is the record for the group leader.  It shows the
+		 * group-wide total, not its individual thread total.
 		 */
-		cputime_to_timeval(cputime_add(p->utime, p->signal->utime),
-				   &prstatus->pr_utime);
-		cputime_to_timeval(cputime_add(p->stime, p->signal->stime),
-				   &prstatus->pr_stime);
+		thread_group_cputime(p, &cputime);
+		cputime_to_timeval(cputime.utime, &prstatus->pr_utime);
+		cputime_to_timeval(cputime.stime, &prstatus->pr_stime);
 	} else {
 		cputime_to_timeval(p->utime, &prstatus->pr_utime);
 		cputime_to_timeval(p->stime, &prstatus->pr_stime);
-- 
GitLab


From 45e2a9b48538ac7ce4ed557f31a0618782a72aa1 Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.miao@marvell.com>
Date: Tue, 21 Oct 2008 11:36:19 +0800
Subject: [PATCH 1579/2224] [ARM] pxa: fix the corgi_ssp.c dependency issue in
 {corgi,spitz}_defconfig

Separate building of corgi_ssp.c, and introduce a new hidden config option
CONFIG_CORGI_SSP_DEPRECATED for this. Aslo mark corgi_ts.c and corgi_bl.c
as deprecated.

This unbreaks the legacy configs in {corgi,spitz}_defconfig, however, SPI
based ADS7846 touchscreen driver and a new SPI-based corgi_lcd.c driver
with integrated backlight support are recommended.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
---
 arch/arm/mach-pxa/Kconfig         | 8 ++++++++
 arch/arm/mach-pxa/Makefile        | 1 +
 arch/arm/mach-pxa/corgi_lcd.c     | 1 -
 arch/arm/mach-pxa/sharpsl_pm.c    | 8 ++++----
 drivers/input/touchscreen/Kconfig | 6 +++++-
 drivers/video/backlight/Kconfig   | 6 +++++-
 6 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index f27f6b3d6e6..99b669b924d 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -71,6 +71,14 @@ config PXA_SHARPSL
 	  SL-C3000 (Spitz), SL-C3100 (Borzoi) or SL-C6000x (Tosa)
 	  handheld computer.
 
+config CORGI_SSP_DEPRECATED
+	bool
+	select PXA_SSP
+	help
+	  This option will include corgi_ssp.c and corgi_lcd.c
+	  that corgi_ts.c and other legacy drivers (corgi_bl.c
+	  and sharpsl_pm.c) may depend on.
+
 config MACH_POODLE
 	bool "Enable Sharp SL-5600 (Poodle) Support"
 	depends on PXA_SHARPSL
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index d31c9979cfa..d64c68b232e 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_MACH_TRIZEPS4)	+= trizeps4.o
 obj-$(CONFIG_MACH_COLIBRI)	+= colibri.o
 obj-$(CONFIG_PXA_SHARP_C7xx)	+= corgi.o sharpsl_pm.o corgi_pm.o
 obj-$(CONFIG_PXA_SHARP_Cxx00)	+= spitz.o sharpsl_pm.o spitz_pm.o
+obj-$(CONFIG_CORGI_SSP_DEPRECATED)	+= corgi_ssp.o corgi_lcd.o
 obj-$(CONFIG_MACH_POODLE)	+= poodle.o
 obj-$(CONFIG_MACH_PCM027)	+= pcm027.o
 obj-$(CONFIG_MACH_PCM990_BASEBOARD)	+= pcm990-baseboard.o
diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c
index 311baf149b0..411607bc1fc 100644
--- a/arch/arm/mach-pxa/corgi_lcd.c
+++ b/arch/arm/mach-pxa/corgi_lcd.c
@@ -20,7 +20,6 @@
 #include <linux/platform_device.h>
 #include <linux/module.h>
 #include <linux/string.h>
-#include <mach/akita.h>
 #include <mach/corgi.h>
 #include <mach/hardware.h>
 #include <mach/pxa-regs.h>
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 9427d808839..f0845c1b001 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -132,16 +132,16 @@ int sharpsl_pm_pxa_read_max1111(int channel)
 	if (machine_is_tosa()) // Ugly, better move this function into another module
 	    return 0;
 
-#ifdef CONFIG_SENSORS_MAX1111
+#ifdef CONFIG_CORGI_SSP_DEPRECATED
+	return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
+			| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
+#else
 	extern int max1111_read_channel(int);
 
 	/* max1111 accepts channels from 0-3, however,
 	 * it is encoded from 0-7 here in the code.
 	 */
 	return max1111_read_channel(channel >> 1);
-#else
-	return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
-			| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
 #endif
 }
 
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 6e1e8c624f9..dff4adca647 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -42,8 +42,9 @@ config TOUCHSCREEN_BITSY
 	  module will be called h3600_ts_input.
 
 config TOUCHSCREEN_CORGI
-	tristate "SharpSL (Corgi and Spitz series) touchscreen driver"
+	tristate "SharpSL (Corgi and Spitz series) touchscreen driver (DEPRECATED)"
 	depends on PXA_SHARPSL
+	select CORGI_SSP_DEPRECATED
 	default y
 	help
 	  Say Y here to enable the driver for the touchscreen on the
@@ -54,6 +55,9 @@ config TOUCHSCREEN_CORGI
 	  To compile this driver as a module, choose M here: the
 	  module will be called corgi_ts.
 
+	  NOTE: this driver is deprecated, try enable SPI and generic
+	  ADS7846-based touchscreen driver.
+
 config TOUCHSCREEN_FUJITSU
 	tristate "Fujitsu serial touchscreen"
 	select SERIO
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index c72a1356295..1495a8136fc 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -115,14 +115,18 @@ config BACKLIGHT_ATMEL_PWM
 	  called atmel-pwm-bl.
 
 config BACKLIGHT_CORGI
-	tristate "Generic (aka Sharp Corgi) Backlight Driver"
+	tristate "Generic (aka Sharp Corgi) Backlight Driver (DEPRECATED)"
 	depends on BACKLIGHT_CLASS_DEVICE
+	select CORGI_SSP_DEPRECATED
 	default n
 	help
 	  Say y to enable the generic platform backlight driver previously
 	  known as the Corgi backlight driver. If you have a Sharp Zaurus
 	  SL-C7xx, SL-Cxx00 or SL-6000x say y. Most users can say n.
 
+	  Note: this driver is marked as deprecated, try enable SPI and
+	  use the new corgi_lcd driver with integrated backlight control
+
 config BACKLIGHT_LOCOMO
 	tristate "Sharp LOCOMO LCD/Backlight Driver"
 	depends on BACKLIGHT_CLASS_DEVICE && SHARP_LOCOMO
-- 
GitLab


From a51413a65f14e8e872d4da21f7a83656c7abb603 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 09:52:02 +0900
Subject: [PATCH 1580/2224] sh: Fix up the SH7203 build.

The sh7203.h include paths were missed in the previous update, so switch
the include path to cpu/ as with the rest.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-rsk7203.c          | 2 +-
 arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/sh/boards/board-rsk7203.c b/arch/sh/boards/board-rsk7203.c
index ded799cf3ea..c8114cdb95e 100644
--- a/arch/sh/boards/board-rsk7203.c
+++ b/arch/sh/boards/board-rsk7203.c
@@ -19,7 +19,7 @@
 #include <linux/gpio.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
-#include <asm/sh7203.h>
+#include <cpu/sh7203.h>
 
 static struct smc911x_platdata smc911x_info = {
 	.flags		= SMC911X_USE_16BIT,
diff --git a/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
index 39a5b880418..3ab56a4e744 100644
--- a/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
@@ -11,7 +11,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/gpio.h>
-#include <asm/sh7203.h>
+#include <cpu/sh7203.h>
 
 enum {
 	PINMUX_RESERVED = 0,
-- 
GitLab


From 5e451d9c9d2c20c4f037a0854d3ecca0a69aa56a Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Tue, 21 Oct 2008 12:37:36 +0900
Subject: [PATCH 1581/2224] sh: Kill off duplicate remove_memory() definition.

Use the generic remove_memory() provided by mm/memory_hotplug.c instead.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/mm/init.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 2a53943924b..4abf00031da 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -321,21 +321,4 @@ int memory_add_physaddr_to_nid(u64 addr)
 }
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
-
-#ifdef CONFIG_MEMORY_HOTREMOVE
-int remove_memory(u64 start, u64 size)
-{
-	unsigned long start_pfn = start >> PAGE_SHIFT;
-	unsigned long end_pfn = start_pfn + (size >> PAGE_SHIFT);
-	int ret;
-
-	ret = offline_pages(start_pfn, end_pfn, 120 * HZ);
-	if (unlikely(ret))
-		printk("%s: Failed, offline_pages() == %d\n", __func__, ret);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(remove_memory);
-#endif
-
 #endif /* CONFIG_MEMORY_HOTPLUG */
-- 
GitLab


From b56050ae5e53ab8c5efedce7f4ec3923b6e42054 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 12:39:24 +0900
Subject: [PATCH 1582/2224] sh: arch/sh/kernel/smp.c needs linux/cpu.h for
 notify_cpu_starting().

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/smp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 508dfb02362..3c5ad1660bb 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -18,6 +18,7 @@
 #include <linux/spinlock.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/cpu.h>
 #include <linux/interrupt.h>
 #include <asm/atomic.h>
 #include <asm/processor.h>
-- 
GitLab


From 58419abd507dd9cc20644b99f122bc7b5507a261 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Tue, 21 Oct 2008 12:44:38 +0900
Subject: [PATCH 1583/2224] sh: fix soc-camera compile breakage on Migo-R.

Fix Migo-R compile breakage caused by incomplete merge.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-migor/setup.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 769d6304342..94fbdc375bc 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -307,6 +307,14 @@ static void camera_power_off(void)
 	gpio_set_value(GPIO_PTT3, 0);
 }
 
+static void camera_power(int mode)
+{
+	if (mode)
+		camera_power_on();
+	else
+		camera_power_off();
+}
+
 #ifdef CONFIG_I2C
 static unsigned char camera_ov772x_magic[] =
 {
@@ -386,6 +394,7 @@ static struct soc_camera_platform_info ov772x_info = {
 	},
 	.bus_param =  SOCAM_PCLK_SAMPLE_RISING | SOCAM_HSYNC_ACTIVE_HIGH |
 	SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_MASTER | SOCAM_DATAWIDTH_8,
+	.power = camera_power,
 	.set_capture = ov772x_set_capture,
 };
 
@@ -400,8 +409,6 @@ static struct platform_device migor_camera_device = {
 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
 	.flags = SOCAM_MASTER | SOCAM_DATAWIDTH_8 | SOCAM_PCLK_SAMPLE_RISING \
 	| SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH,
-	.enable_camera = camera_power_on,
-	.disable_camera = camera_power_off,
 };
 
 static struct resource migor_ceu_resources[] = {
-- 
GitLab


From c10c178a92b032ea3dd7259dcbbd1b9331c05c41 Mon Sep 17 00:00:00 2001
From: Sebastian Siewior <bigeasy@linutronix.de>
Date: Sun, 12 Oct 2008 23:15:26 +0000
Subject: [PATCH 1584/2224] powerpc/boot: Compare _start against ei.loadsize
 instead ei.memsize

If the vmlinux binary in memory is larger than 4 MiB than it collides
with the initial boot code which is linked at 4 MiB in case of cuBoot.
If the the uncompressed image size (on disk size) is less than 4 MiB
then it would fit. The difference between those two sizes is the bss
section. In cuBoot we have the dtb embedded right after the data
section so it is very likely that the reset of the bss section (in
kernel's start up code) will overwrite the dtb blob. Therefore we
reallocate the dtb. Something similar is allready done to the initrd.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/boot/libfdt-wrapper.c | 16 ++++++++--------
 arch/powerpc/boot/main.c           | 14 ++++++++++++--
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/boot/libfdt-wrapper.c b/arch/powerpc/boot/libfdt-wrapper.c
index c541fd8a95d..1daa73f08ba 100644
--- a/arch/powerpc/boot/libfdt-wrapper.c
+++ b/arch/powerpc/boot/libfdt-wrapper.c
@@ -165,6 +165,7 @@ static unsigned long fdt_wrapper_finalize(void)
 void fdt_init(void *blob)
 {
 	int err;
+	int bufsize;
 
 	dt_ops.finddevice = fdt_wrapper_finddevice;
 	dt_ops.getprop = fdt_wrapper_getprop;
@@ -178,16 +179,15 @@ void fdt_init(void *blob)
 
 	/* Make sure the dt blob is the right version and so forth */
 	fdt = blob;
-	err = fdt_open_into(fdt, fdt, fdt_totalsize(blob));
-	if (err == -FDT_ERR_NOSPACE) {
-		int bufsize = fdt_totalsize(fdt) + 4;
-		buf = malloc(bufsize);
-		err = fdt_open_into(fdt, buf, bufsize);
-	}
+	bufsize = fdt_totalsize(fdt) + 4;
+	buf = malloc(bufsize);
+	if(!buf)
+		fatal("malloc failed. can't relocate the device tree\n\r");
+
+	err = fdt_open_into(fdt, buf, bufsize);
 
 	if (err != 0)
 		fatal("fdt_init(): %s\n\r", fdt_strerror(err));
 
-	if (buf)
-		fdt = buf;
+	fdt = buf;
 }
diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c
index 9e7f3ddd991..ae32801ebd6 100644
--- a/arch/powerpc/boot/main.c
+++ b/arch/powerpc/boot/main.c
@@ -56,9 +56,19 @@ static struct addr_range prep_kernel(void)
 	if (platform_ops.vmlinux_alloc) {
 		addr = platform_ops.vmlinux_alloc(ei.memsize);
 	} else {
-		if ((unsigned long)_start < ei.memsize)
+		/*
+		 * Check if the kernel image (without bss) would overwrite the
+		 * bootwrapper. The device tree has been moved in fdt_init()
+		 * to an area allocated with malloc() (somewhere past _end).
+		 */
+		if ((unsigned long)_start < ei.loadsize)
 			fatal("Insufficient memory for kernel at address 0!"
-			       " (_start=%p)\n\r", _start);
+			       " (_start=%p, uncomressed size=%08x)\n\r",
+			       _start, ei.loadsize);
+
+		if ((unsigned long)_end < ei.memsize)
+			fatal("The final kernel image would overwrite the "
+					"device tree\n\r");
 	}
 
 	/* Finally, gunzip the kernel */
-- 
GitLab


From 04badfd2936333a23e0fc233f31a760d0dc9424f Mon Sep 17 00:00:00 2001
From: Nathan Fontenot <nfont@austin.ibm.com>
Date: Mon, 13 Oct 2008 08:42:00 +0000
Subject: [PATCH 1585/2224] powerpc/pseries: Validate PFN in
 pseries_remove_lmb()

The pfn of the memory to be removed should be validated prior to
attempting to remove the memory.  In cases where the probe of a
memory section fails during hotplug add, the pfn for the lmb may
not be valid.

Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/pseries/hotplug-memory.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 140d02a5232..a623ad256e9 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -22,6 +22,12 @@ static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
 	int ret;
 
 	start_pfn = base >> PAGE_SHIFT;
+
+	if (!pfn_valid(start_pfn)) {
+		lmb_remove(base, lmb_size);
+		return 0;
+	}
+
 	zone = page_zone(pfn_to_page(start_pfn));
 
 	/*
-- 
GitLab


From bb5e6491cae4c5d6ddfa3e173e22efb35f595949 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 14 Oct 2008 14:36:31 +0000
Subject: [PATCH 1586/2224] powerpc: Unsigned speed cannot be negative in
 udbg_16559.c

"unsigned int" speed cannot be negative, it's thus pointless
to test if it is.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/udbg_16550.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index cb01ebc5938..7b7da8cfd5e 100644
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc/kernel/udbg_16550.c
@@ -142,7 +142,7 @@ unsigned int udbg_probe_uart_speed(void __iomem *comport, unsigned int clock)
 	speed = (clock / prescaler) / (divisor * 16);
 
 	/* sanity check */
-	if (speed < 0 || speed > (clock / 16))
+	if (speed > (clock / 16))
 		speed = 9600;
 
 	return speed;
-- 
GitLab


From a5598ca0d49821912a5053c05f07fd650671eb6d Mon Sep 17 00:00:00 2001
From: Carl Love <cel@us.ibm.com>
Date: Tue, 14 Oct 2008 23:37:01 +0000
Subject: [PATCH 1587/2224] powerpc/oprofile: Fix mutex locking for cell
 spu-oprofile

The issue is the SPU code is not holding the kernel mutex lock while
adding samples to the kernel buffer.

This patch creates per SPU buffers to hold the data.  Data
is added to the buffers from in interrupt context.  The data
is periodically pushed to the kernel buffer via a new Oprofile
function oprofile_put_buff(). The oprofile_put_buff() function
is called via a work queue enabling the funtion to acquire the
mutex lock.

The existing user controls for adjusting the per CPU buffer
size is used to control the size of the per SPU buffers.
Similarly, overflows of the SPU buffers are reported by
incrementing the per CPU buffer stats.  This eliminates the
need to have architecture specific controls for the per SPU
buffers which is not acceptable to the OProfile user tool
maintainer.

The export of the oprofile add_event_entry() is removed as it
is no longer needed given this patch.

Note, this patch has not addressed the issue of indexing arrays
by the spu number.  This still needs to be fixed as the spu
numbering is not guarenteed to be 0 to max_num_spus-1.

Signed-off-by: Carl Love <carll@us.ibm.com>
Signed-off-by: Maynard Johnson <maynardj@us.ibm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Acked-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/oprofile/cell/pr_util.h       |  13 ++
 arch/powerpc/oprofile/cell/spu_profiler.c  |   4 +-
 arch/powerpc/oprofile/cell/spu_task_sync.c | 236 ++++++++++++++++++---
 drivers/oprofile/buffer_sync.c             |  24 +++
 drivers/oprofile/cpu_buffer.c              |  15 +-
 drivers/oprofile/event_buffer.h            |   7 +
 include/linux/oprofile.h                   |  16 +-
 7 files changed, 279 insertions(+), 36 deletions(-)

diff --git a/arch/powerpc/oprofile/cell/pr_util.h b/arch/powerpc/oprofile/cell/pr_util.h
index 22e4e8d4eb2..628009c0195 100644
--- a/arch/powerpc/oprofile/cell/pr_util.h
+++ b/arch/powerpc/oprofile/cell/pr_util.h
@@ -24,6 +24,11 @@
 #define SKIP_GENERIC_SYNC 0
 #define SYNC_START_ERROR -1
 #define DO_GENERIC_SYNC 1
+#define SPUS_PER_NODE   8
+#define DEFAULT_TIMER_EXPIRE  (HZ / 10)
+
+extern struct delayed_work spu_work;
+extern int spu_prof_running;
 
 struct spu_overlay_info {	/* map of sections within an SPU overlay */
 	unsigned int vma;	/* SPU virtual memory address from elf */
@@ -62,6 +67,14 @@ struct vma_to_fileoffset_map {	/* map of sections within an SPU program */
 
 };
 
+struct spu_buffer {
+	int last_guard_val;
+	int ctx_sw_seen;
+	unsigned long *buff;
+	unsigned int head, tail;
+};
+
+
 /* The three functions below are for maintaining and accessing
  * the vma-to-fileoffset map.
  */
diff --git a/arch/powerpc/oprofile/cell/spu_profiler.c b/arch/powerpc/oprofile/cell/spu_profiler.c
index 380d7e21753..6edaebd5099 100644
--- a/arch/powerpc/oprofile/cell/spu_profiler.c
+++ b/arch/powerpc/oprofile/cell/spu_profiler.c
@@ -23,12 +23,11 @@
 
 static u32 *samples;
 
-static int spu_prof_running;
+int spu_prof_running;
 static unsigned int profiling_interval;
 
 #define NUM_SPU_BITS_TRBUF 16
 #define SPUS_PER_TB_ENTRY   4
-#define SPUS_PER_NODE	     8
 
 #define SPU_PC_MASK	     0xFFFF
 
@@ -208,6 +207,7 @@ int start_spu_profiling(unsigned int cycles_reset)
 
 	spu_prof_running = 1;
 	hrtimer_start(&timer, kt, HRTIMER_MODE_REL);
+	schedule_delayed_work(&spu_work, DEFAULT_TIMER_EXPIRE);
 
 	return 0;
 }
diff --git a/arch/powerpc/oprofile/cell/spu_task_sync.c b/arch/powerpc/oprofile/cell/spu_task_sync.c
index 2a9b4a04932..2949126d28d 100644
--- a/arch/powerpc/oprofile/cell/spu_task_sync.c
+++ b/arch/powerpc/oprofile/cell/spu_task_sync.c
@@ -35,7 +35,102 @@ static DEFINE_SPINLOCK(buffer_lock);
 static DEFINE_SPINLOCK(cache_lock);
 static int num_spu_nodes;
 int spu_prof_num_nodes;
-int last_guard_val[MAX_NUMNODES * 8];
+
+struct spu_buffer spu_buff[MAX_NUMNODES * SPUS_PER_NODE];
+struct delayed_work spu_work;
+static unsigned max_spu_buff;
+
+static void spu_buff_add(unsigned long int value, int spu)
+{
+	/* spu buff is a circular buffer.  Add entries to the
+	 * head.  Head is the index to store the next value.
+	 * The buffer is full when there is one available entry
+	 * in the queue, i.e. head and tail can't be equal.
+	 * That way we can tell the difference between the
+	 * buffer being full versus empty.
+	 *
+	 *  ASSUPTION: the buffer_lock is held when this function
+	 *             is called to lock the buffer, head and tail.
+	 */
+	int full = 1;
+
+	if (spu_buff[spu].head >= spu_buff[spu].tail) {
+		if ((spu_buff[spu].head - spu_buff[spu].tail)
+		    <  (max_spu_buff - 1))
+			full = 0;
+
+	} else if (spu_buff[spu].tail > spu_buff[spu].head) {
+		if ((spu_buff[spu].tail - spu_buff[spu].head)
+		    > 1)
+			full = 0;
+	}
+
+	if (!full) {
+		spu_buff[spu].buff[spu_buff[spu].head] = value;
+		spu_buff[spu].head++;
+
+		if (spu_buff[spu].head >= max_spu_buff)
+			spu_buff[spu].head = 0;
+	} else {
+		/* From the user's perspective make the SPU buffer
+		 * size management/overflow look like we are using
+		 * per cpu buffers.  The user uses the same
+		 * per cpu parameter to adjust the SPU buffer size.
+		 * Increment the sample_lost_overflow to inform
+		 * the user the buffer size needs to be increased.
+		 */
+		oprofile_cpu_buffer_inc_smpl_lost();
+	}
+}
+
+/* This function copies the per SPU buffers to the
+ * OProfile kernel buffer.
+ */
+void sync_spu_buff(void)
+{
+	int spu;
+	unsigned long flags;
+	int curr_head;
+
+	for (spu = 0; spu < num_spu_nodes; spu++) {
+		/* In case there was an issue and the buffer didn't
+		 * get created skip it.
+		 */
+		if (spu_buff[spu].buff == NULL)
+			continue;
+
+		/* Hold the lock to make sure the head/tail
+		 * doesn't change while spu_buff_add() is
+		 * deciding if the buffer is full or not.
+		 * Being a little paranoid.
+		 */
+		spin_lock_irqsave(&buffer_lock, flags);
+		curr_head = spu_buff[spu].head;
+		spin_unlock_irqrestore(&buffer_lock, flags);
+
+		/* Transfer the current contents to the kernel buffer.
+		 * data can still be added to the head of the buffer.
+		 */
+		oprofile_put_buff(spu_buff[spu].buff,
+				  spu_buff[spu].tail,
+				  curr_head, max_spu_buff);
+
+		spin_lock_irqsave(&buffer_lock, flags);
+		spu_buff[spu].tail = curr_head;
+		spin_unlock_irqrestore(&buffer_lock, flags);
+	}
+
+}
+
+static void wq_sync_spu_buff(struct work_struct *work)
+{
+	/* move data from spu buffers to kernel buffer */
+	sync_spu_buff();
+
+	/* only reschedule if profiling is not done */
+	if (spu_prof_running)
+		schedule_delayed_work(&spu_work, DEFAULT_TIMER_EXPIRE);
+}
 
 /* Container for caching information about an active SPU task. */
 struct cached_info {
@@ -305,14 +400,21 @@ static int process_context_switch(struct spu *spu, unsigned long objectId)
 
 	/* Record context info in event buffer */
 	spin_lock_irqsave(&buffer_lock, flags);
-	add_event_entry(ESCAPE_CODE);
-	add_event_entry(SPU_CTX_SWITCH_CODE);
-	add_event_entry(spu->number);
-	add_event_entry(spu->pid);
-	add_event_entry(spu->tgid);
-	add_event_entry(app_dcookie);
-	add_event_entry(spu_cookie);
-	add_event_entry(offset);
+	spu_buff_add(ESCAPE_CODE, spu->number);
+	spu_buff_add(SPU_CTX_SWITCH_CODE, spu->number);
+	spu_buff_add(spu->number, spu->number);
+	spu_buff_add(spu->pid, spu->number);
+	spu_buff_add(spu->tgid, spu->number);
+	spu_buff_add(app_dcookie, spu->number);
+	spu_buff_add(spu_cookie, spu->number);
+	spu_buff_add(offset, spu->number);
+
+	/* Set flag to indicate SPU PC data can now be written out.  If
+	 * the SPU program counter data is seen before an SPU context
+	 * record is seen, the postprocessing will fail.
+	 */
+	spu_buff[spu->number].ctx_sw_seen = 1;
+
 	spin_unlock_irqrestore(&buffer_lock, flags);
 	smp_wmb();	/* insure spu event buffer updates are written */
 			/* don't want entries intermingled... */
@@ -360,6 +462,47 @@ static int number_of_online_nodes(void)
         return nodes;
 }
 
+static int oprofile_spu_buff_create(void)
+{
+	int spu;
+
+	max_spu_buff = oprofile_get_cpu_buffer_size();
+
+	for (spu = 0; spu < num_spu_nodes; spu++) {
+		/* create circular buffers to store the data in.
+		 * use locks to manage accessing the buffers
+		 */
+		spu_buff[spu].head = 0;
+		spu_buff[spu].tail = 0;
+
+		/*
+		 * Create a buffer for each SPU.  Can't reliably
+		 * create a single buffer for all spus due to not
+		 * enough contiguous kernel memory.
+		 */
+
+		spu_buff[spu].buff = kzalloc((max_spu_buff
+					      * sizeof(unsigned long)),
+					     GFP_KERNEL);
+
+		if (!spu_buff[spu].buff) {
+			printk(KERN_ERR "SPU_PROF: "
+			       "%s, line %d:  oprofile_spu_buff_create "
+		       "failed to allocate spu buffer %d.\n",
+			       __func__, __LINE__, spu);
+
+			/* release the spu buffers that have been allocated */
+			while (spu >= 0) {
+				kfree(spu_buff[spu].buff);
+				spu_buff[spu].buff = 0;
+				spu--;
+			}
+			return -ENOMEM;
+		}
+	}
+	return 0;
+}
+
 /* The main purpose of this function is to synchronize
  * OProfile with SPUFS by registering to be notified of
  * SPU task switches.
@@ -372,20 +515,35 @@ static int number_of_online_nodes(void)
  */
 int spu_sync_start(void)
 {
-	int k;
+	int spu;
 	int ret = SKIP_GENERIC_SYNC;
 	int register_ret;
 	unsigned long flags = 0;
 
 	spu_prof_num_nodes = number_of_online_nodes();
 	num_spu_nodes = spu_prof_num_nodes * 8;
+	INIT_DELAYED_WORK(&spu_work, wq_sync_spu_buff);
+
+	/* create buffer for storing the SPU data to put in
+	 * the kernel buffer.
+	 */
+	ret = oprofile_spu_buff_create();
+	if (ret)
+		goto out;
 
 	spin_lock_irqsave(&buffer_lock, flags);
-	add_event_entry(ESCAPE_CODE);
-	add_event_entry(SPU_PROFILING_CODE);
-	add_event_entry(num_spu_nodes);
+	for (spu = 0; spu < num_spu_nodes; spu++) {
+		spu_buff_add(ESCAPE_CODE, spu);
+		spu_buff_add(SPU_PROFILING_CODE, spu);
+		spu_buff_add(num_spu_nodes, spu);
+	}
 	spin_unlock_irqrestore(&buffer_lock, flags);
 
+	for (spu = 0; spu < num_spu_nodes; spu++) {
+		spu_buff[spu].ctx_sw_seen = 0;
+		spu_buff[spu].last_guard_val = 0;
+	}
+
 	/* Register for SPU events  */
 	register_ret = spu_switch_event_register(&spu_active);
 	if (register_ret) {
@@ -393,8 +551,6 @@ int spu_sync_start(void)
 		goto out;
 	}
 
-	for (k = 0; k < (MAX_NUMNODES * 8); k++)
-		last_guard_val[k] = 0;
 	pr_debug("spu_sync_start -- running.\n");
 out:
 	return ret;
@@ -446,13 +602,20 @@ void spu_sync_buffer(int spu_num, unsigned int *samples,
 		 * use.	 We need to discard samples taken during the time
 		 * period which an overlay occurs (i.e., guard value changes).
 		 */
-		if (grd_val && grd_val != last_guard_val[spu_num]) {
-			last_guard_val[spu_num] = grd_val;
+		if (grd_val && grd_val != spu_buff[spu_num].last_guard_val) {
+			spu_buff[spu_num].last_guard_val = grd_val;
 			/* Drop the rest of the samples. */
 			break;
 		}
 
-		add_event_entry(file_offset | spu_num_shifted);
+		/* We must ensure that the SPU context switch has been written
+		 * out before samples for the SPU.  Otherwise, the SPU context
+		 * information is not available and the postprocessing of the
+		 * SPU PC will fail with no available anonymous map information.
+		 */
+		if (spu_buff[spu_num].ctx_sw_seen)
+			spu_buff_add((file_offset | spu_num_shifted),
+					 spu_num);
 	}
 	spin_unlock(&buffer_lock);
 out:
@@ -463,20 +626,41 @@ out:
 int spu_sync_stop(void)
 {
 	unsigned long flags = 0;
-	int ret = spu_switch_event_unregister(&spu_active);
-	if (ret) {
+	int ret;
+	int k;
+
+	ret = spu_switch_event_unregister(&spu_active);
+
+	if (ret)
 		printk(KERN_ERR "SPU_PROF: "
-			"%s, line %d: spu_switch_event_unregister returned %d\n",
-			__func__, __LINE__, ret);
-		goto out;
-	}
+		       "%s, line %d: spu_switch_event_unregister "	\
+		       "returned %d\n",
+		       __func__, __LINE__, ret);
+
+	/* flush any remaining data in the per SPU buffers */
+	sync_spu_buff();
 
 	spin_lock_irqsave(&cache_lock, flags);
 	ret = release_cached_info(RELEASE_ALL);
 	spin_unlock_irqrestore(&cache_lock, flags);
-out:
+
+	/* remove scheduled work queue item rather then waiting
+	 * for every queued entry to execute.  Then flush pending
+	 * system wide buffer to event buffer.
+	 */
+	cancel_delayed_work(&spu_work);
+
+	for (k = 0; k < num_spu_nodes; k++) {
+		spu_buff[k].ctx_sw_seen = 0;
+
+		/*
+		 * spu_sys_buff will be null if there was a problem
+		 * allocating the buffer.  Only delete if it exists.
+		 */
+		kfree(spu_buff[k].buff);
+		spu_buff[k].buff = 0;
+	}
 	pr_debug("spu_sync_stop -- done.\n");
 	return ret;
 }
 
-
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index ed982273fb8..37681700b61 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -628,3 +628,27 @@ void sync_buffer(int cpu)
 
 	mutex_unlock(&buffer_mutex);
 }
+
+/* The function can be used to add a buffer worth of data directly to
+ * the kernel buffer. The buffer is assumed to be a circular buffer.
+ * Take the entries from index start and end at index end, wrapping
+ * at max_entries.
+ */
+void oprofile_put_buff(unsigned long *buf, unsigned int start,
+		       unsigned int stop, unsigned int max)
+{
+	int i;
+
+	i = start;
+
+	mutex_lock(&buffer_mutex);
+	while (i != stop) {
+		add_event_entry(buf[i++]);
+
+		if (i >= max)
+			i = 0;
+	}
+
+	mutex_unlock(&buffer_mutex);
+}
+
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index e1bd5a937f6..7ba39fe20a8 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -38,13 +38,26 @@ static int work_enabled;
 void free_cpu_buffers(void)
 {
 	int i;
- 
+
 	for_each_online_cpu(i) {
 		vfree(per_cpu(cpu_buffer, i).buffer);
 		per_cpu(cpu_buffer, i).buffer = NULL;
 	}
 }
 
+unsigned long oprofile_get_cpu_buffer_size(void)
+{
+	return fs_cpu_buffer_size;
+}
+
+void oprofile_cpu_buffer_inc_smpl_lost(void)
+{
+	struct oprofile_cpu_buffer *cpu_buf
+		= &__get_cpu_var(cpu_buffer);
+
+	cpu_buf->sample_lost_overflow++;
+}
+
 int alloc_cpu_buffers(void)
 {
 	int i;
diff --git a/drivers/oprofile/event_buffer.h b/drivers/oprofile/event_buffer.h
index 5076ed1ebd8..84bf324c577 100644
--- a/drivers/oprofile/event_buffer.h
+++ b/drivers/oprofile/event_buffer.h
@@ -17,6 +17,13 @@ int alloc_event_buffer(void);
 
 void free_event_buffer(void);
  
+/**
+ * Add data to the event buffer.
+ * The data passed is free-form, but typically consists of
+ * file offsets, dcookies, context information, and ESCAPE codes.
+ */
+void add_event_entry(unsigned long data);
+
 /* wake up the process sleeping on the event file */
 void wake_up_buffer_waiter(void);
 
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index bcb8f725427..5231861f357 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -85,13 +85,6 @@ int oprofile_arch_init(struct oprofile_operations * ops);
  */
 void oprofile_arch_exit(void);
 
-/**
- * Add data to the event buffer.
- * The data passed is free-form, but typically consists of
- * file offsets, dcookies, context information, and ESCAPE codes.
- */
-void add_event_entry(unsigned long data);
-
 /**
  * Add a sample. This may be called from any context. Pass
  * smp_processor_id() as cpu.
@@ -162,5 +155,14 @@ int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, siz
 
 /** lock for read/write safety */
 extern spinlock_t oprofilefs_lock;
+
+/**
+ * Add the contents of a circular buffer to the event buffer.
+ */
+void oprofile_put_buff(unsigned long *buf, unsigned int start,
+			unsigned int stop, unsigned int max);
+
+unsigned long oprofile_get_cpu_buffer_size(void);
+void oprofile_cpu_buffer_inc_smpl_lost(void);
  
 #endif /* OPROFILE_H */
-- 
GitLab


From e81703724a966120ace6504c993bda9e084cbf3e Mon Sep 17 00:00:00 2001
From: Jon Tollefson <kniht@us.ibm.com>
Date: Thu, 16 Oct 2008 18:59:43 +0000
Subject: [PATCH 1588/2224] powerpc/numa: Make memory reserve code more robust

Adjust amount to reserve based on previous nodes for reserves spanning
multiple nodes. Check if the node active range is empty before attempting
to pass the reserve to bootmem.  In practice the range shouldn't be empty,
but to be sure we check.

Signed-off-by: Jon Tollefson <kniht@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/numa.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 6cf5c71c431..195bfcd0895 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -116,6 +116,7 @@ static int __init get_active_region_work_fn(unsigned long start_pfn,
 
 /*
  * get_node_active_region - Return active region containing start_pfn
+ * Active range returned is empty if none found.
  * @start_pfn: The page to return the region for.
  * @node_ar: Returned set to the active region containing start_pfn
  */
@@ -126,6 +127,7 @@ static void __init get_node_active_region(unsigned long start_pfn,
 
 	node_ar->nid = nid;
 	node_ar->start_pfn = start_pfn;
+	node_ar->end_pfn = start_pfn;
 	work_with_active_regions(nid, get_active_region_work_fn, node_ar);
 }
 
@@ -933,18 +935,20 @@ void __init do_init_bootmem(void)
 		struct node_active_region node_ar;
 
 		get_node_active_region(start_pfn, &node_ar);
-		while (start_pfn < end_pfn) {
+		while (start_pfn < end_pfn &&
+			node_ar.start_pfn < node_ar.end_pfn) {
+			unsigned long reserve_size = size;
 			/*
 			 * if reserved region extends past active region
 			 * then trim size to active region
 			 */
 			if (end_pfn > node_ar.end_pfn)
-				size = (node_ar.end_pfn << PAGE_SHIFT)
+				reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
 					- (start_pfn << PAGE_SHIFT);
-			dbg("reserve_bootmem %lx %lx nid=%d\n", physbase, size,
-				node_ar.nid);
+			dbg("reserve_bootmem %lx %lx nid=%d\n", physbase,
+				reserve_size, node_ar.nid);
 			reserve_bootmem_node(NODE_DATA(node_ar.nid), physbase,
-						size, BOOTMEM_DEFAULT);
+						reserve_size, BOOTMEM_DEFAULT);
 			/*
 			 * if reserved region is contained in the active region
 			 * then done.
@@ -959,6 +963,7 @@ void __init do_init_bootmem(void)
 			 */
 			start_pfn = node_ar.end_pfn;
 			physbase = start_pfn << PAGE_SHIFT;
+			size = size - reserve_size;
 			get_node_active_region(start_pfn, &node_ar);
 		}
 
-- 
GitLab


From 59fd6b8cc0975b88e35f6ca2318b8cee77d3a508 Mon Sep 17 00:00:00 2001
From: Mike Ditto <mditto@consentry.com>
Date: Fri, 17 Oct 2008 09:27:51 +0000
Subject: [PATCH 1589/2224] powerpc: Fix boot wrapper memcmp() called with zero
 length argument

I noticed, when trying to use, e.g.,
node = find_node_by_prop_value(prev, "booleanprop", "", 0))
to search for all nodes with a certain boolean property, that memcmp()
returns garbage when comparing zero bytes.  It should return zero.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/boot/string.S | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/boot/string.S b/arch/powerpc/boot/string.S
index 643e4cb2f11..acc9428f278 100644
--- a/arch/powerpc/boot/string.S
+++ b/arch/powerpc/boot/string.S
@@ -235,7 +235,7 @@ memchr:
 	.globl	memcmp
 memcmp:
 	cmpwi	0,r5,0
-	blelr
+	ble	2f
 	mtctr	r5
 	addi	r6,r3,-1
 	addi	r4,r4,-1
@@ -244,6 +244,8 @@ memcmp:
 	subf.	r3,r0,r3
 	bdnzt	2,1b
 	blr
+2:	li	r3,0
+	blr
 
 
 /*
-- 
GitLab


From a4292d7ae6fabcdbc41c3e0f0eb790a1429b985f Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Fri, 17 Oct 2008 19:12:07 +0000
Subject: [PATCH 1590/2224] powerpc: Add missing cuImage.initrd.% target

This target is needed to build cuImages with an embedded ramdisk image.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/boot/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 47603652e7f..8fc6d72849a 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -321,6 +321,9 @@ $(obj)/zImage.iseries: vmlinux
 $(obj)/uImage: vmlinux $(wrapperbits)
 	$(call if_changed,wrap,uboot)
 
+$(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits)
+	$(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
+
 $(obj)/cuImage.%: vmlinux $(obj)/%.dtb $(wrapperbits)
 	$(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb)
 
-- 
GitLab


From 0721357d4d04563b6e5c7ffd6b5685df275d5ff9 Mon Sep 17 00:00:00 2001
From: Jon Smirl <jonsmirl@gmail.com>
Date: Mon, 20 Oct 2008 02:13:15 +0000
Subject: [PATCH 1591/2224] of: Format string bug in drivers/of/of_i2c.c

Format string bug.  Not exploitable, as this is only writable by root,
but worth fixing all the same.

See 326f6a5c9c9e1a62aec37bdc0c3f8d53adabe77b

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/of/of_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index 6a98dc8aa30..24bbef777c1 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -41,7 +41,7 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
 
 		info.addr = *addr;
 
-		request_module(info.type);
+		request_module("%s", info.type);
 
 		result = i2c_new_device(adap, &info);
 		if (result == NULL) {
-- 
GitLab


From a3ba68f969b2407b6809a840f6ff45ab0eb06f84 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Mon, 20 Oct 2008 03:16:55 +0000
Subject: [PATCH 1592/2224] powerpc: Fix build issue with CONFIG_RELOCATABLE=y

There are two issues when we enable CONFIG_RELOCATABLE.  The first is due
to the fact that phys_addr_t is now defined in linux/types.h.  The second
is due to the fact that the DMA code changes expose memstart_addr to
prom_init.c

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/include/asm/page.h        | 5 ++++-
 arch/powerpc/kernel/prom_init_check.sh | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 64e144505f6..120f4d49425 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -12,7 +12,9 @@
 
 #include <asm/asm-compat.h>
 #include <asm/kdump.h>
-#include <asm/types.h>
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#endif
 
 /*
  * On PPC32 page size is 4K. For PPC64 we support either 4K or 64K software
@@ -73,6 +75,7 @@
 
 #if defined(CONFIG_RELOCATABLE)
 #ifndef __ASSEMBLY__
+
 extern phys_addr_t memstart_addr;
 extern phys_addr_t kernstart_addr;
 #endif
diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh
index 2c7e8e87f77..ea3a2ec03ff 100644
--- a/arch/powerpc/kernel/prom_init_check.sh
+++ b/arch/powerpc/kernel/prom_init_check.sh
@@ -20,7 +20,7 @@ WHITELIST="add_reloc_offset __bss_start __bss_stop copy_and_flush
 _end enter_prom memcpy memset reloc_offset __secondary_hold
 __secondary_hold_acknowledge __secondary_hold_spinloop __start
 strcmp strcpy strlcpy strlen strncmp strstr logo_linux_clut224
-reloc_got2 kernstart_addr"
+reloc_got2 kernstart_addr memstart_addr"
 
 NM="$1"
 OBJ="$2"
-- 
GitLab


From dbc1c5c250cbedccf3571597d156e581e34b2944 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Mon, 20 Oct 2008 08:03:46 +0000
Subject: [PATCH 1593/2224] powerpc: Remove Kconfig support for PPC_MERGE

There are no users of PPC_MERGE in tree so we can get rid of it.
It was a hold over from the arch/ppc days.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/Kconfig | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c171f5bcf25..bbe149c2651 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -19,9 +19,6 @@ config WORD_SIZE
 	default 64 if PPC64
 	default 32 if !PPC64
 
-config PPC_MERGE
-	def_bool y
-
 config MMU
 	bool
 	default y
-- 
GitLab


From ed7b2144bcc87b2b097553f15a2f96e18ede21b0 Mon Sep 17 00:00:00 2001
From: Milton Miller <miltonm@bga.com>
Date: Mon, 20 Oct 2008 15:37:03 +0000
Subject: [PATCH 1594/2224] powerpc: Find and destroy possible stale kernel
 added properties

64 bit powerpc requires the kexec user space tools avoid overwriting
the static kernel image and translation hash table when choosing
where to put memory image data because it copies the data into place
using the kernels virtual memory system.  Kexec userspace determines
these and other areas blocked by reading properties the kernel adds,
but does not filter these properties when creating the device tree
for the next kernel.

When the second kernel tries to add its values for these properties,
the export via /proc/device-tree is hidden by the pre-existing but
stale values from the flat tree.  Kexec userspace reads the old
property, allocates the new kernel at the old kernel's end, and
gets rejected by the overlap check.

Search and remove these stale properties before adding the new values.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/machine_kexec_64.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index a168514d860..4bd8b4f5e70 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -312,11 +312,24 @@ static struct property kernel_end_prop = {
 static void __init export_htab_values(void)
 {
 	struct device_node *node;
+	struct property *prop;
 
 	node = of_find_node_by_path("/chosen");
 	if (!node)
 		return;
 
+	/* remove any stale propertys so ours can be found */
+	prop = of_find_property(node, kernel_end_prop.name, NULL);
+	if (prop)
+		prom_remove_property(node, prop);
+	prop = of_find_property(node, htab_base_prop.name, NULL);
+	if (prop)
+		prom_remove_property(node, prop);
+	prop = of_find_property(node, htab_size_prop.name, NULL);
+	if (prop)
+		prom_remove_property(node, prop);
+
+	/* information needed by userspace when using default_machine_kexec */
 	kernel_end = __pa(_end);
 	prom_add_property(node, &kernel_end_prop);
 
-- 
GitLab


From 6a75a6b8e85e92cc774d42a4e113c76c30b5a539 Mon Sep 17 00:00:00 2001
From: Milton Miller <miltonm@bga.com>
Date: Mon, 20 Oct 2008 15:37:03 +0000
Subject: [PATCH 1595/2224] powerpc: Use cpu_thread_in_core in smp_init for
 of_spin_map

We used to assume that even numbered threads were the primary
threads, ie those that would be listed and started as a cpu from
open firmware.  Replace a left over is even (% 2) check with a check
for it being a primary thread and update the comments.

Tested with a debug print on pseries, identical code found for cell.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/platforms/cell/smp.c    | 10 +++-------
 arch/powerpc/platforms/pseries/smp.c | 13 ++++---------
 2 files changed, 7 insertions(+), 16 deletions(-)

diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c
index efb3964457b..c0d86e1f56e 100644
--- a/arch/powerpc/platforms/cell/smp.c
+++ b/arch/powerpc/platforms/cell/smp.c
@@ -54,8 +54,8 @@
 #endif
 
 /*
- * The primary thread of each non-boot processor is recorded here before
- * smp init.
+ * The Primary thread of each non-boot processor was started from the OF client
+ * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop.
  */
 static cpumask_t of_spin_map;
 
@@ -208,11 +208,7 @@ void __init smp_init_cell(void)
 	/* Mark threads which are still spinning in hold loops. */
 	if (cpu_has_feature(CPU_FTR_SMT)) {
 		for_each_present_cpu(i) {
-			if (i % 2 == 0)
-				/*
-				 * Even-numbered logical cpus correspond to
-				 * primary threads.
-				 */
+			if (cpu_thread_in_core(i) == 0)
 				cpu_set(i, of_spin_map);
 		}
 	} else {
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index e00f96baa38..1a231c389ba 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -52,8 +52,8 @@
 
 
 /*
- * The primary thread of each non-boot processor is recorded here before
- * smp init.
+ * The Primary thread of each non-boot processor was started from the OF client
+ * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop.
  */
 static cpumask_t of_spin_map;
 
@@ -161,8 +161,7 @@ static void __devinit smp_pSeries_kick_cpu(int nr)
 static int smp_pSeries_cpu_bootable(unsigned int nr)
 {
 	/* Special case - we inhibit secondary thread startup
-	 * during boot if the user requests it.  Odd-numbered
-	 * cpus are assumed to be secondary threads.
+	 * during boot if the user requests it.
 	 */
 	if (system_state < SYSTEM_RUNNING &&
 	    cpu_has_feature(CPU_FTR_SMT) &&
@@ -199,11 +198,7 @@ static void __init smp_init_pseries(void)
 	/* Mark threads which are still spinning in hold loops. */
 	if (cpu_has_feature(CPU_FTR_SMT)) {
 		for_each_present_cpu(i) { 
-			if (i % 2 == 0)
-				/*
-				 * Even-numbered logical cpus correspond to
-				 * primary threads.
-				 */
+			if (cpu_thread_in_core(i) == 0)
 				cpu_set(i, of_spin_map);
 		}
 	} else {
-- 
GitLab


From fe55249d17f7979cf9bbc58e38e9ceaf1918b415 Mon Sep 17 00:00:00 2001
From: Milton Miller <miltonm@bga.com>
Date: Mon, 20 Oct 2008 15:37:04 +0000
Subject: [PATCH 1596/2224] powerpc: Always trim numa memory to
 lmb_end_of_DRAM()

numa_enforce_memory_limit tried to be smart and only call lmb_end_of_DRAM
when a memory limit was set via mem= on the command line.  However,
the early boot code will also limit memory added to the lmb system
when iommu=off is specified.  When this happens, the page allocator
is given pages not in the linear mapping and this results in a fatal
data reference to the unmapped page.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/numa.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 195bfcd0895..eb505ad34a8 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -528,12 +528,10 @@ static unsigned long __init numa_enforce_memory_limit(unsigned long start,
 	/*
 	 * We use lmb_end_of_DRAM() in here instead of memory_limit because
 	 * we've already adjusted it for the limit and it takes care of
-	 * having memory holes below the limit.
+	 * having memory holes below the limit.  Also, in the case of
+	 * iommu_is_off, memory_limit is not set but is implicitly enforced.
 	 */
 
-	if (! memory_limit)
-		return size;
-
 	if (start + size <= lmb_end_of_DRAM())
 		return size;
 
-- 
GitLab


From 0dcd440120ef12879ff34fc78d7e4abf171c79e4 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Mon, 20 Oct 2008 17:42:42 +0000
Subject: [PATCH 1597/2224] powerpc: Revert CHRP boot wrapper to real-base =
 12MB on 32-bit

Commit 9b09c6d909dfd8de96b99b9b9c808b94b0a71614 ("powerpc: Change the
default link address for pSeries zImage kernels") changed the
real-base value in the CHRP note added by addnote to the zImage from
12MB to 32MB.  It turns out that this causes unnecessary extra reboots
on old 32-bit CHRP machines.  This therefore adds a -r flag to addnote
to allow us to specify what real-base value it should put in the CHRP
note, and adjusts the wrapper script to pass -r c00000 to addnote when
making a zImage for a CHRP machine.  Also, CHRP machines ignore the
RPA note, so we don't need to arrange for it to be the same as the
kernel's.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/boot/addnote.c | 41 ++++++++++++++++++++++++-------------
 arch/powerpc/boot/wrapper   |  5 ++++-
 2 files changed, 31 insertions(+), 15 deletions(-)

diff --git a/arch/powerpc/boot/addnote.c b/arch/powerpc/boot/addnote.c
index dcc9ab2ca82..3091d1d21ae 100644
--- a/arch/powerpc/boot/addnote.c
+++ b/arch/powerpc/boot/addnote.c
@@ -11,7 +11,7 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  *
- * Usage: addnote zImage [note.elf]
+ * Usage: addnote [-r realbase] zImage [note.elf]
  *
  * If note.elf is supplied, it is the name of an ELF file that contains
  * an RPA note to use instead of the built-in one.  Alternatively, the
@@ -153,18 +153,31 @@ unsigned char *read_rpanote(const char *fname, int *nnp)
 int
 main(int ac, char **av)
 {
-	int fd, n, i;
+	int fd, n, i, ai;
 	int ph, ps, np;
 	int nnote, nnote2, ns;
 	unsigned char *rpap;
-
-	if (ac != 2 && ac != 3) {
-		fprintf(stderr, "Usage: %s elf-file [rpanote.elf]\n", av[0]);
+	char *p, *endp;
+
+	ai = 1;
+	if (ac >= ai + 2 && strcmp(av[ai], "-r") == 0) {
+		/* process -r realbase */
+		p = av[ai + 1];
+		descr[1] = strtol(p, &endp, 16);
+		if (endp == p || *endp != 0) {
+			fprintf(stderr, "Can't parse -r argument '%s' as hex\n",
+				p);
+			exit(1);
+		}
+		ai += 2;
+	}
+	if (ac != ai + 1 && ac != ai + 2) {
+		fprintf(stderr, "Usage: %s [-r realbase] elf-file [rpanote.elf]\n", av[0]);
 		exit(1);
 	}
-	fd = open(av[1], O_RDWR);
+	fd = open(av[ai], O_RDWR);
 	if (fd < 0) {
-		perror(av[1]);
+		perror(av[ai]);
 		exit(1);
 	}
 
@@ -184,12 +197,12 @@ main(int ac, char **av)
 	if (buf[E_IDENT+EI_CLASS] != ELFCLASS32
 	    || buf[E_IDENT+EI_DATA] != ELFDATA2MSB) {
 		fprintf(stderr, "%s is not a big-endian 32-bit ELF image\n",
-			av[1]);
+			av[ai]);
 		exit(1);
 	}
 
-	if (ac == 3)
-		rpap = read_rpanote(av[2], &nnote2);
+	if (ac == ai + 2)
+		rpap = read_rpanote(av[ai + 1], &nnote2);
 
 	ph = GET_32BE(buf, E_PHOFF);
 	ps = GET_16BE(buf, E_PHENTSIZE);
@@ -202,7 +215,7 @@ main(int ac, char **av)
 	for (i = 0; i < np; ++i) {
 		if (GET_32BE(buf, ph + PH_TYPE) == PT_NOTE) {
 			fprintf(stderr, "%s already has a note entry\n",
-				av[1]);
+				av[ai]);
 			exit(0);
 		}
 		ph += ps;
@@ -260,18 +273,18 @@ main(int ac, char **av)
 		exit(1);
 	}
 	if (i < n) {
-		fprintf(stderr, "%s: write truncated\n", av[1]);
+		fprintf(stderr, "%s: write truncated\n", av[ai]);
 		exit(1);
 	}
 
 	exit(0);
 
  notelf:
-	fprintf(stderr, "%s does not appear to be an ELF file\n", av[1]);
+	fprintf(stderr, "%s does not appear to be an ELF file\n", av[ai]);
 	exit(1);
 
  nospace:
 	fprintf(stderr, "sorry, I can't find space in %s to put the note\n",
-		av[1]);
+		av[ai]);
 	exit(1);
 }
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index ee0dc41d7c5..f39073511a4 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -306,11 +306,14 @@ fi
 
 # post-processing needed for some platforms
 case "$platform" in
-pseries|chrp)
+pseries)
     ${CROSS}objcopy -O binary -j .fakeelf "$kernel" "$ofile".rpanote
     $objbin/addnote "$ofile" "$ofile".rpanote
     rm -r "$ofile".rpanote
     ;;
+chrp)
+    $objbin/addnote -r c00000 "$ofile"
+    ;;
 coff)
     ${CROSS}objcopy -O aixcoff-rs6000 --set-start "$entry" "$ofile"
     $objbin/hack-coff "$ofile"
-- 
GitLab


From 34d81f858a3bdec568bf08c4feb997ccd3d40b94 Mon Sep 17 00:00:00 2001
From: Milton Miller <miltonm@bga.com>
Date: Mon, 20 Oct 2008 18:03:18 +0000
Subject: [PATCH 1598/2224] powerpc: Delete unused prom_strtoul and
 prom_memparse

These functions should have been static, and inspection shows they
are no longer used.   (We used to parse mem= but we now defer that
to early_param).

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/prom_init.c | 61 ---------------------------------
 1 file changed, 61 deletions(-)

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 2fdbc18ae94..23e0db20332 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -487,67 +487,6 @@ static int __init prom_setprop(phandle node, const char *nodename,
 	return call_prom("interpret", 1, 1, (u32)(unsigned long) cmd);
 }
 
-/* We can't use the standard versions because of RELOC headaches. */
-#define isxdigit(c)	(('0' <= (c) && (c) <= '9') \
-			 || ('a' <= (c) && (c) <= 'f') \
-			 || ('A' <= (c) && (c) <= 'F'))
-
-#define isdigit(c)	('0' <= (c) && (c) <= '9')
-#define islower(c)	('a' <= (c) && (c) <= 'z')
-#define toupper(c)	(islower(c) ? ((c) - 'a' + 'A') : (c))
-
-unsigned long prom_strtoul(const char *cp, const char **endp)
-{
-	unsigned long result = 0, base = 10, value;
-
-	if (*cp == '0') {
-		base = 8;
-		cp++;
-		if (toupper(*cp) == 'X') {
-			cp++;
-			base = 16;
-		}
-	}
-
-	while (isxdigit(*cp) &&
-	       (value = isdigit(*cp) ? *cp - '0' : toupper(*cp) - 'A' + 10) < base) {
-		result = result * base + value;
-		cp++;
-	}
-
-	if (endp)
-		*endp = cp;
-
-	return result;
-}
-
-unsigned long prom_memparse(const char *ptr, const char **retptr)
-{
-	unsigned long ret = prom_strtoul(ptr, retptr);
-	int shift = 0;
-
-	/*
-	 * We can't use a switch here because GCC *may* generate a
-	 * jump table which won't work, because we're not running at
-	 * the address we're linked at.
-	 */
-	if ('G' == **retptr || 'g' == **retptr)
-		shift = 30;
-
-	if ('M' == **retptr || 'm' == **retptr)
-		shift = 20;
-
-	if ('K' == **retptr || 'k' == **retptr)
-		shift = 10;
-
-	if (shift) {
-		ret <<= shift;
-		(*retptr)++;
-	}
-
-	return ret;
-}
-
 /*
  * Early parsing of the command line passed to the kernel, used for
  * "mem=x" and the options that affect the iommu
-- 
GitLab


From ba556ed23c73796efd58ac348cc33773935bb3b9 Mon Sep 17 00:00:00 2001
From: Jason Jin <Jason.jin@freescale.com>
Date: Thu, 16 Oct 2008 17:31:32 +0800
Subject: [PATCH 1599/2224] powerpc/85xx: Enable enhanced functions for 8536
 TSEC

Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8536ds.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/boot/dts/mpc8536ds.dts b/arch/powerpc/boot/dts/mpc8536ds.dts
index 93fdd99901b..dce2f65bf92 100644
--- a/arch/powerpc/boot/dts/mpc8536ds.dts
+++ b/arch/powerpc/boot/dts/mpc8536ds.dts
@@ -180,7 +180,7 @@
 		enet0: ethernet@24000 {
 			cell-index = <0>;
 			device_type = "network";
-			model = "TSEC";
+			model = "eTSEC";
 			compatible = "gianfar";
 			reg = <0x24000 0x1000>;
 			local-mac-address = [ 00 00 00 00 00 00 ];
@@ -193,7 +193,7 @@
 		enet1: ethernet@26000 {
 			cell-index = <1>;
 			device_type = "network";
-			model = "TSEC";
+			model = "eTSEC";
 			compatible = "gianfar";
 			reg = <0x26000 0x1000>;
 			local-mac-address = [ 00 00 00 00 00 00 ];
-- 
GitLab


From 13690332a315128ba8936297137d33aff5b2ad7b Mon Sep 17 00:00:00 2001
From: Ed Swarthout <Ed.Swarthout@freescale.com>
Date: Fri, 17 Oct 2008 00:41:32 -0500
Subject: [PATCH 1600/2224] powerpc/85xx: Fix mpc8536ds dma interrupt numbers

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8536ds.dts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/boot/dts/mpc8536ds.dts b/arch/powerpc/boot/dts/mpc8536ds.dts
index dce2f65bf92..35db1e5440c 100644
--- a/arch/powerpc/boot/dts/mpc8536ds.dts
+++ b/arch/powerpc/boot/dts/mpc8536ds.dts
@@ -109,7 +109,7 @@
 				reg = <0x0 0x80>;
 				cell-index = <0>;
 				interrupt-parent = <&mpic>;
-				interrupts = <14 0x2>;
+				interrupts = <20 2>;
 			};
 			dma-channel@80 {
 				compatible = "fsl,mpc8536-dma-channel",
@@ -117,7 +117,7 @@
 				reg = <0x80 0x80>;
 				cell-index = <1>;
 				interrupt-parent = <&mpic>;
-				interrupts = <15 0x2>;
+				interrupts = <21 2>;
 			};
 			dma-channel@100 {
 				compatible = "fsl,mpc8536-dma-channel",
@@ -125,7 +125,7 @@
 				reg = <0x100 0x80>;
 				cell-index = <2>;
 				interrupt-parent = <&mpic>;
-				interrupts = <16 0x2>;
+				interrupts = <22 2>;
 			};
 			dma-channel@180 {
 				compatible = "fsl,mpc8536-dma-channel",
@@ -133,7 +133,7 @@
 				reg = <0x180 0x80>;
 				cell-index = <3>;
 				interrupt-parent = <&mpic>;
-				interrupts = <17 0x2>;
+				interrupts = <23 2>;
 			};
 		};
 
-- 
GitLab


From 0a346dacee18ff69f6162d9860d723a058f47321 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Thu, 16 Oct 2008 21:12:00 +0200
Subject: [PATCH 1601/2224] i2c-cpm: Suppress autoprobing for devices

Similar to commit 618b26d52843c0f85b8eb143cf2695d7f6fd072d, also remove
automatic probing for this i2c controller. Might need updates to dts files
using it.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Jochen Friedrich <jochen@scram.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 drivers/i2c/busses/i2c-cpm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 8164de1f4d7..228f7572306 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -423,7 +423,6 @@ static const struct i2c_adapter cpm_ops = {
 	.owner		= THIS_MODULE,
 	.name		= "i2c-cpm",
 	.algo		= &cpm_i2c_algo,
-	.class		= I2C_CLASS_HWMON | I2C_CLASS_SPD,
 };
 
 static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm)
-- 
GitLab


From fd657efc67dbd70f422285101a50c2e84d03463d Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Sat, 18 Oct 2008 04:23:52 +0400
Subject: [PATCH 1602/2224] powerpc: Remove device_type = "board_control"
 properties in .dts files

We don't want to encourage the bogus device_type usage.

The device type isn't used in the code, so we can simply remove it from
the documentation and dts files.

Boards should specify proper compatible entries instead.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 Documentation/powerpc/dts-bindings/fsl/board.txt | 4 ++--
 arch/powerpc/boot/dts/mpc832x_mds.dts            | 2 +-
 arch/powerpc/boot/dts/mpc834x_mds.dts            | 2 +-
 arch/powerpc/boot/dts/mpc836x_mds.dts            | 2 +-
 arch/powerpc/boot/dts/mpc8568mds.dts             | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Documentation/powerpc/dts-bindings/fsl/board.txt b/Documentation/powerpc/dts-bindings/fsl/board.txt
index 74ae6f1cd2d..81a917ef96e 100644
--- a/Documentation/powerpc/dts-bindings/fsl/board.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/board.txt
@@ -2,13 +2,13 @@
 
 Required properties:
 
- - device_type : Should be "board-control"
+ - compatible : Should be "fsl,<board>-bcsr"
  - reg : Offset and length of the register set for the device
 
 Example:
 
 	bcsr@f8000000 {
-		device_type = "board-control";
+		compatible = "fsl,mpc8360mds-bcsr";
 		reg = <f8000000 8000>;
 	};
 
diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts
index e4cc1768f24..57c595bf107 100644
--- a/arch/powerpc/boot/dts/mpc832x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc832x_mds.dts
@@ -60,7 +60,7 @@
 	};
 
 	bcsr@f8000000 {
-		device_type = "board-control";
+		compatible = "fsl,mpc8323mds-bcsr";
 		reg = <0xf8000000 0x8000>;
 	};
 
diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts
index 04bfde3ea60..c986c541e9b 100644
--- a/arch/powerpc/boot/dts/mpc834x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc834x_mds.dts
@@ -49,7 +49,7 @@
 	};
 
 	bcsr@e2400000 {
-		device_type = "board-control";
+		compatible = "fsl,mpc8349mds-bcsr";
 		reg = <0xe2400000 0x8000>;
 	};
 
diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts
index 66a12d2631f..14534d04e4d 100644
--- a/arch/powerpc/boot/dts/mpc836x_mds.dts
+++ b/arch/powerpc/boot/dts/mpc836x_mds.dts
@@ -69,7 +69,7 @@
 		};
 
 		bcsr@1,0 {
-			device_type = "board-control";
+ 			compatible = "fsl,mpc8360mds-bcsr";
 			reg = <1 0 0x8000>;
 		};
 	};
diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts
index a15f10343f5..c80158f7741 100644
--- a/arch/powerpc/boot/dts/mpc8568mds.dts
+++ b/arch/powerpc/boot/dts/mpc8568mds.dts
@@ -52,7 +52,7 @@
 	};
 
 	bcsr@f8000000 {
-		device_type = "board-control";
+		compatible = "fsl,mpc8568mds-bcsr";
 		reg = <0xf8000000 0x8000>;
 	};
 
-- 
GitLab


From f618ebfcbf9616a0fa9a78f5ecb69762f0fa3c59 Mon Sep 17 00:00:00 2001
From: Wolfgang Ocker <weo@reccoware.de>
Date: Wed, 15 Oct 2008 15:00:47 +0200
Subject: [PATCH 1603/2224] of/spi: Support specifying chip select as active
 high via device tree

The patch allows to specify that an SPI device needs an active high chip
select.

Signed-off-by: Wolfgang Ocker <weo@reccoware.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 Documentation/powerpc/booting-without-of.txt | 2 ++
 drivers/of/of_spi.c                          | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index de4063cb4fd..02ea9a971b8 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1917,6 +1917,8 @@ platforms are moved over to use the flattened-device-tree model.
 			inverse clock polarity (CPOL) mode
     - spi-cpha        - (optional) Empty property indicating device requires
 			shifted clock phase (CPHA) mode
+    - spi-cs-high     - (optional) Empty property indicating device requires
+			chip select active high
 
     SPI example for an MPC5200 SPI bus:
 		spi@f00 {
diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c
index b01eec026f6..bed0ed6dcdc 100644
--- a/drivers/of/of_spi.c
+++ b/drivers/of/of_spi.c
@@ -61,6 +61,8 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np)
 			spi->mode |= SPI_CPHA;
 		if (of_find_property(nc, "spi-cpol", NULL))
 			spi->mode |= SPI_CPOL;
+		if (of_find_property(nc, "spi-cs-high", NULL))
+			spi->mode |= SPI_CS_HIGH;
 
 		/* Device speed */
 		prop = of_get_property(nc, "spi-max-frequency", &len);
-- 
GitLab


From 66eb988406df0f675c3133aedaf2773ba68866ff Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Mon, 20 Oct 2008 23:02:26 -0500
Subject: [PATCH 1604/2224] powerpc/85xx: Move mpc8572ds.dts to
 address-cells/size-cells = <2>

Change the top-level #address-cells and #size-cells to <2> so the
mpc8572ds.dts is easier to deal with both a true 32-bit physical
or 36-bit physical address space.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8572ds.dts | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/arch/powerpc/boot/dts/mpc8572ds.dts b/arch/powerpc/boot/dts/mpc8572ds.dts
index e124dd18fb5..cadd4652a69 100644
--- a/arch/powerpc/boot/dts/mpc8572ds.dts
+++ b/arch/powerpc/boot/dts/mpc8572ds.dts
@@ -13,8 +13,8 @@
 / {
 	model = "fsl,MPC8572DS";
 	compatible = "fsl,MPC8572DS";
-	#address-cells = <1>;
-	#size-cells = <1>;
+	#address-cells = <2>;
+	#size-cells = <2>;
 
 	aliases {
 		ethernet0 = &enet0;
@@ -61,7 +61,6 @@
 
 	memory {
 		device_type = "memory";
-		reg = <0x0 0x0>;	// Filled by U-Boot
 	};
 
 	soc8572@ffe00000 {
@@ -69,8 +68,8 @@
 		#size-cells = <1>;
 		device_type = "soc";
 		compatible = "simple-bus";
-		ranges = <0x0 0xffe00000 0x100000>;
-		reg = <0xffe00000 0x1000>;	// CCSRBAR & soc regs, remove once parse code for immrbase fixed
+		ranges = <0x0 0 0xffe00000 0x100000>;
+		reg = <0 0xffe00000 0 0x1000>;	// CCSRBAR & soc regs, remove once parse code for immrbase fixed
 		bus-frequency = <0>;		// Filled out by uboot.
 
 		memory-controller@2000 {
@@ -351,10 +350,10 @@
 		#interrupt-cells = <1>;
 		#size-cells = <2>;
 		#address-cells = <3>;
-		reg = <0xffe08000 0x1000>;
+		reg = <0 0xffe08000 0 0x1000>;
 		bus-range = <0 255>;
-		ranges = <0x2000000 0x0 0x80000000 0x80000000 0x0 0x20000000
-			  0x1000000 0x0 0x0 0xffc00000 0x0 0x10000>;
+		ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000
+			  0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x00010000>;
 		clock-frequency = <33333333>;
 		interrupt-parent = <&mpic>;
 		interrupts = <24 2>;
@@ -561,10 +560,10 @@
 		#interrupt-cells = <1>;
 		#size-cells = <2>;
 		#address-cells = <3>;
-		reg = <0xffe09000 0x1000>;
+		reg = <0 0xffe09000 0 0x1000>;
 		bus-range = <0 255>;
-		ranges = <0x2000000 0x0 0xa0000000 0xa0000000 0x0 0x20000000
-			  0x1000000 0x0 0x0 0xffc10000 0x0 0x10000>;
+		ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000
+			  0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x00010000>;
 		clock-frequency = <33333333>;
 		interrupt-parent = <&mpic>;
 		interrupts = <26 2>;
@@ -598,10 +597,10 @@
 		#interrupt-cells = <1>;
 		#size-cells = <2>;
 		#address-cells = <3>;
-		reg = <0xffe0a000 0x1000>;
+		reg = <0 0xffe0a000 0 0x1000>;
 		bus-range = <0 255>;
-		ranges = <0x2000000 0x0 0xc0000000 0xc0000000 0x0 0x20000000
-			  0x1000000 0x0 0x0 0xffc20000 0x0 0x10000>;
+		ranges = <0x2000000 0x0 0xc0000000 0 0xc0000000 0x0 0x20000000
+			  0x1000000 0x0 0x00000000 0 0xffc20000 0x0 0x00010000>;
 		clock-frequency = <33333333>;
 		interrupt-parent = <&mpic>;
 		interrupts = <27 2>;
-- 
GitLab


From 442746989d92afc125040e0f29b33602ad94da99 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Fri, 17 Oct 2008 22:57:09 +0400
Subject: [PATCH 1605/2224] powerpc/83xx: Add support for MCU microcontroller
 in .dts files

MCU is an external Freescale MC9S08QG8 microcontroller, mainly used to
provide soft power-off function, but also exports two GPIOs (wired to
the LEDs and also available from the external headers).

Added the MCU on mpc8349emitx, mpc837xrdb and mpc8315erdb boards.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8315erdb.dts  | 8 ++++++++
 arch/powerpc/boot/dts/mpc8349emitx.dts | 8 ++++++++
 arch/powerpc/boot/dts/mpc8377_rdb.dts  | 8 ++++++++
 arch/powerpc/boot/dts/mpc8378_rdb.dts  | 8 ++++++++
 arch/powerpc/boot/dts/mpc8379_rdb.dts  | 8 ++++++++
 5 files changed, 40 insertions(+)

diff --git a/arch/powerpc/boot/dts/mpc8315erdb.dts b/arch/powerpc/boot/dts/mpc8315erdb.dts
index 7449e54c1a9..6b850670de1 100644
--- a/arch/powerpc/boot/dts/mpc8315erdb.dts
+++ b/arch/powerpc/boot/dts/mpc8315erdb.dts
@@ -121,6 +121,14 @@
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};
+
+			mcu_pio: mcu@a {
+				#gpio-cells = <2>;
+				compatible = "fsl,mc9s08qg8-mpc8315erdb",
+					     "fsl,mcu-mpc8349emitx";
+				reg = <0x0a>;
+				gpio-controller;
+			};
 		};
 
 		spi@7000 {
diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts
index 5cedf373a1d..87cd8b7b5a2 100644
--- a/arch/powerpc/boot/dts/mpc8349emitx.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitx.dts
@@ -131,6 +131,14 @@
 				interrupt-parent = <&ipic>;
 				interrupts = <71 8>;
 			};
+
+			mcu_pio: mcu@a {
+				#gpio-cells = <2>;
+				compatible = "fsl,mc9s08qg8-mpc8349emitx",
+					     "fsl,mcu-mpc8349emitx";
+				reg = <0x0a>;
+				gpio-controller;
+			};
 		};
 
 		usb@22000 {
diff --git a/arch/powerpc/boot/dts/mpc8377_rdb.dts b/arch/powerpc/boot/dts/mpc8377_rdb.dts
index 53191ba67aa..435ef3dd022 100644
--- a/arch/powerpc/boot/dts/mpc8377_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8377_rdb.dts
@@ -121,6 +121,14 @@
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};
+
+			mcu_pio: mcu@a {
+				#gpio-cells = <2>;
+				compatible = "fsl,mc9s08qg8-mpc8377erdb",
+					     "fsl,mcu-mpc8349emitx";
+				reg = <0x0a>;
+				gpio-controller;
+			};
 		};
 
 		i2c@3100 {
diff --git a/arch/powerpc/boot/dts/mpc8378_rdb.dts b/arch/powerpc/boot/dts/mpc8378_rdb.dts
index 4a09153d160..b11e68f56a0 100644
--- a/arch/powerpc/boot/dts/mpc8378_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8378_rdb.dts
@@ -121,6 +121,14 @@
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};
+
+			mcu_pio: mcu@a {
+				#gpio-cells = <2>;
+				compatible = "fsl,mc9s08qg8-mpc8378erdb",
+					     "fsl,mcu-mpc8349emitx";
+				reg = <0x0a>;
+				gpio-controller;
+			};
 		};
 
 		i2c@3100 {
diff --git a/arch/powerpc/boot/dts/mpc8379_rdb.dts b/arch/powerpc/boot/dts/mpc8379_rdb.dts
index bbd884ac9dc..337af6ea26d 100644
--- a/arch/powerpc/boot/dts/mpc8379_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8379_rdb.dts
@@ -121,6 +121,14 @@
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};
+
+			mcu_pio: mcu@a {
+				#gpio-cells = <2>;
+				compatible = "fsl,mc9s08qg8-mpc8379erdb",
+					     "fsl,mcu-mpc8349emitx";
+				reg = <0x0a>;
+				gpio-controller;
+			};
 		};
 
 		i2c@3100 {
-- 
GitLab


From 672e806ee103c1709bcdcafabe65ba9c8ab5a63d Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Fri, 17 Oct 2008 22:56:59 +0400
Subject: [PATCH 1606/2224] powerpc/83xx: Add DS1339 RTC support for
 MPC8349E-mITX boards .dts

The RTC is sitting on the I2C2 bus at address 0x68. RTC interrupt signal
is connected to the IPIC's EXT2 interrupt line, the line is shared with
Vitesse 8201 Ethernet PHY.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
 arch/powerpc/boot/dts/mpc8349emitx.dts   | 8 ++++++++
 arch/powerpc/boot/dts/mpc8349emitxgp.dts | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts
index 87cd8b7b5a2..2c9d54a35bc 100644
--- a/arch/powerpc/boot/dts/mpc8349emitx.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitx.dts
@@ -83,6 +83,14 @@
 			interrupts = <15 0x8>;
 			interrupt-parent = <&ipic>;
 			dfsrr;
+
+			rtc@68 {
+				device_type = "rtc";
+				compatible = "dallas,ds1339";
+				reg = <0x68>;
+				interrupts = <18 0x8>;
+				interrupt-parent = <&ipic>;
+			};
 		};
 
 		spi@7000 {
diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
index 81ae1d3e944..fa40647ee62 100644
--- a/arch/powerpc/boot/dts/mpc8349emitxgp.dts
+++ b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
@@ -81,6 +81,14 @@
 			interrupts = <15 0x8>;
 			interrupt-parent = <&ipic>;
 			dfsrr;
+
+			rtc@68 {
+				device_type = "rtc";
+				compatible = "dallas,ds1339";
+				reg = <0x68>;
+				interrupts = <18 0x8>;
+				interrupt-parent = <&ipic>;
+			};
 		};
 
 		spi@7000 {
-- 
GitLab


From 10bfc6e190c55b583ec312a6a8ef274924e16d8a Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 14:27:05 +0900
Subject: [PATCH 1607/2224] sh: gpio: Include asm-generic/gpio.h for
 non-gpiolib stubs.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/gpio.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/sh/include/asm/gpio.h b/arch/sh/include/asm/gpio.h
index 9650e7c9c39..a6ec3e43038 100644
--- a/arch/sh/include/asm/gpio.h
+++ b/arch/sh/include/asm/gpio.h
@@ -99,9 +99,7 @@ int gpio_direction_input(unsigned gpio);
 int gpio_direction_output(unsigned gpio, int value);
 int gpio_get_value(unsigned gpio);
 void gpio_set_value(unsigned gpio, int value);
-static inline int gpio_export(unsigned gpio, bool direction_may_change)
-{
-	return 0;
-}
+
+#include <asm-generic/gpio.h>
 
 #endif /* __ASM_SH_GPIO_H */
-- 
GitLab


From bbc97411d11b3a835c62904fddb5ce9ff457f5fa Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 14:27:51 +0900
Subject: [PATCH 1608/2224] sh: rsk7203: leds-gpio support for RSK+ LEDs.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-rsk7203.c | 42 ++++++++++++++++++++++++++++++----
 1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/arch/sh/boards/board-rsk7203.c b/arch/sh/boards/board-rsk7203.c
index c8114cdb95e..58266f06134 100644
--- a/arch/sh/boards/board-rsk7203.c
+++ b/arch/sh/boards/board-rsk7203.c
@@ -17,6 +17,7 @@
 #include <linux/mtd/map.h>
 #include <linux/smc911x.h>
 #include <linux/gpio.h>
+#include <linux/leds.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
 #include <cpu/sh7203.h>
@@ -116,10 +117,46 @@ static void __init set_mtd_partitions(void)
 	}
 }
 
+static struct gpio_led rsk7203_gpio_leds[] = {
+	{
+		.name			= "green",
+		.gpio			= GPIO_PE10,
+		.active_low		= 1,
+	}, {
+		.name			= "orange",
+		.default_trigger	= "nand-disk",
+		.gpio			= GPIO_PE12,
+		.active_low		= 1,
+	}, {
+		.name			= "red:timer",
+		.default_trigger	= "timer",
+		.gpio			= GPIO_PC14,
+		.active_low		= 1,
+	}, {
+		.name			= "red:heartbeat",
+		.default_trigger	= "heartbeat",
+		.gpio			= GPIO_PE11,
+		.active_low		= 1,
+	},
+};
+
+static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
+	.leds		= rsk7203_gpio_leds,
+	.num_leds	= ARRAY_SIZE(rsk7203_gpio_leds),
+};
+
+static struct platform_device led_device = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &rsk7203_gpio_leds_info,
+	},
+};
 
 static struct platform_device *rsk7203_devices[] __initdata = {
 	&smc911x_device,
 	&flash_device,
+	&led_device,
 };
 
 static int __init rsk7203_devices_setup(void)
@@ -128,11 +165,6 @@ static int __init rsk7203_devices_setup(void)
 	gpio_request(GPIO_FN_TXD0, NULL);
 	gpio_request(GPIO_FN_RXD0, NULL);
 
-	/* Lit LED0 */
-	gpio_request(GPIO_PE10, NULL);
-	gpio_direction_output(GPIO_PE10, 0);
-	gpio_export(GPIO_PE10, 0);
-
 	set_mtd_partitions();
 	return platform_add_devices(rsk7203_devices,
 				    ARRAY_SIZE(rsk7203_devices));
-- 
GitLab


From 0b3682ba33c59a362901b478bdab965da888b350 Mon Sep 17 00:00:00 2001
From: Chris Friesen <cfriesen@nortel.com>
Date: Mon, 20 Oct 2008 12:41:58 -0600
Subject: [PATCH 1609/2224] genirq: fix set_irq_type() when recording trigger
 type

Impact: fix boot hang on a G5

In set_irq_type() we want to pass the type rather than the current
interrupt state.

Signed-off-by: Chris Friesen <cfriesen@nortel.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/chip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 4895fde4eb9..3de6ea3ee74 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -127,7 +127,7 @@ int set_irq_type(unsigned int irq, unsigned int type)
 		return 0;
 
 	spin_lock_irqsave(&desc->lock, flags);
-	ret = __irq_set_trigger(desc, irq, flags);
+	ret = __irq_set_trigger(desc, irq, type);
 	spin_unlock_irqrestore(&desc->lock, flags);
 	return ret;
 }
-- 
GitLab


From 550109378450e7982101f299d41a80e8efc759ea Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 17:48:40 +0900
Subject: [PATCH 1610/2224] sh: gpio: Stub in dummy GPIO<->IRQ mapping
 routines.

IRQ modes are not presently supported, so stub in dummy definitions
for now (taken from linux/gpio.h).

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/gpio.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/sh/include/asm/gpio.h b/arch/sh/include/asm/gpio.h
index a6ec3e43038..02de5b609ba 100644
--- a/arch/sh/include/asm/gpio.h
+++ b/arch/sh/include/asm/gpio.h
@@ -12,6 +12,8 @@
 #ifndef __ASM_SH_GPIO_H
 #define __ASM_SH_GPIO_H
 
+#include <linux/errno.h>
+
 #if defined(CONFIG_CPU_SH3)
 #include <cpu/gpio.h>
 #endif
@@ -100,6 +102,19 @@ int gpio_direction_output(unsigned gpio, int value);
 int gpio_get_value(unsigned gpio);
 void gpio_set_value(unsigned gpio, int value);
 
+/* IRQ modes are unspported */
+static inline int gpio_to_irq(unsigned gpio)
+{
+	WARN_ON(1);
+	return -EINVAL;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+	WARN_ON(1);
+	return -EINVAL;
+}
+
 #include <asm-generic/gpio.h>
 
 #endif /* __ASM_SH_GPIO_H */
-- 
GitLab


From 908978acbe2fb0e9aedaded5119dc663ae0d7015 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Date: Tue, 9 Sep 2008 17:17:42 +0900
Subject: [PATCH 1611/2224] sh: add support FLCTL for ap325rxa board

This patch adds platform_device for sh_flctl driver, NAND Flash
simple partition, and GPIO setting.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-ap325rxa.c | 61 +++++++++++++++++++++++++++++----
 1 file changed, 55 insertions(+), 6 deletions(-)

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 7c7874e6ac3..a3783ee6b07 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -15,6 +15,7 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
+#include <linux/mtd/sh_flctl.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/smc911x.h>
@@ -108,10 +109,50 @@ static struct platform_device ap325rxa_nor_flash_device = {
 	},
 };
 
+static struct mtd_partition nand_partition_info[] = {
+	{
+		.name	= "nand_data",
+		.offset	= 0,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct resource nand_flash_resources[] = {
+	[0] = {
+		.start	= 0xa4530000,
+		.end	= 0xa45300ff,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct sh_flctl_platform_data nand_flash_data = {
+	.parts		= nand_partition_info,
+	.nr_parts	= ARRAY_SIZE(nand_partition_info),
+	.flcmncr_val	= FCKSEL_E | TYPESEL_SET | NANWF_E,
+	.has_hwecc	= 1,
+};
+
+static struct platform_device nand_flash_device = {
+	.name		= "sh_flctl",
+	.resource	= nand_flash_resources,
+	.num_resources	= ARRAY_SIZE(nand_flash_resources),
+	.dev		= {
+		.platform_data = &nand_flash_data,
+	},
+};
+
 #define FPGA_LCDREG	0xB4100180
 #define FPGA_BKLREG	0xB4100212
 #define FPGA_LCDREG_VAL	0x0018
 #define PORT_MSELCRB	0xA4050182
+#define PORT_PUCR	0xA4050142
+#define PORT_PVCR	0xA4050144
+#define PORT_PXCR	0xA4050148
+#define PORT_HIZCRC	0xA405015C
+#define PORT_DRVCRA	0xA405018A
+#define PORT_DRVCRB	0xA405018C
+#define PORT_PXDR	0xA4050168
+#define PORT_PSELC	0xA4050152
 
 static void ap320_wvga_power_on(void *board_data)
 {
@@ -282,6 +323,7 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
 #ifdef CONFIG_I2C
 	&camera_device,
 #endif
+	&nand_flash_device,
 };
 
 static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
@@ -364,21 +406,28 @@ static int __init ap325rxa_devices_setup(void)
 
 	ctrl_outw(ctrl_inw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB);
 
+	/* FLCTL */
+	ctrl_outw(0, PORT_PUCR);
+	ctrl_outw(0, PORT_PVCR);
+	ctrl_outw(0, PORT_PSELC);
+
+	ctrl_outw(0, PORT_HIZCRC);
+	ctrl_outw(0xFFFF, PORT_DRVCRA);
+	ctrl_outw(0xFFFF, PORT_DRVCRB);
+
+	ctrl_outw((ctrl_inw(PORT_PXCR) & 0x3fff) | 0x4000, PORT_PXCR);
+	ctrl_outb(0x80, PORT_PXDR);
+
 	platform_resource_setup_memory(&ceu_device, "ceu", 4 << 20);
 
 	i2c_register_board_info(0, ap325rxa_i2c_devices,
 				ARRAY_SIZE(ap325rxa_i2c_devices));
- 
+
 	return platform_add_devices(ap325rxa_devices,
 				ARRAY_SIZE(ap325rxa_devices));
 }
 device_initcall(ap325rxa_devices_setup);
 
-static void __init ap325rxa_setup(char **cmdline_p)
-{
-}
-
 static struct sh_machine_vector mv_ap325rxa __initmv = {
 	.mv_name = "AP-325RXA",
-	.mv_setup = ap325rxa_setup,
 };
-- 
GitLab


From dd0e20e58837dfef0d0c34c247bede86ae34d99b Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 18:08:10 +0900
Subject: [PATCH 1612/2224] sh: ap325rxa: Move off of hardcoded pinmux for
 flctl initialization.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-ap325rxa.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index a3783ee6b07..033650cc6c9 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -407,17 +407,25 @@ static int __init ap325rxa_devices_setup(void)
 	ctrl_outw(ctrl_inw(PORT_MSELCRB) & ~0x0001, PORT_MSELCRB);
 
 	/* FLCTL */
-	ctrl_outw(0, PORT_PUCR);
-	ctrl_outw(0, PORT_PVCR);
-	ctrl_outw(0, PORT_PSELC);
+	gpio_request(GPIO_FN_FCE, NULL);
+	gpio_request(GPIO_FN_NAF7, NULL);
+	gpio_request(GPIO_FN_NAF6, NULL);
+	gpio_request(GPIO_FN_NAF5, NULL);
+	gpio_request(GPIO_FN_NAF4, NULL);
+	gpio_request(GPIO_FN_NAF3, NULL);
+	gpio_request(GPIO_FN_NAF2, NULL);
+	gpio_request(GPIO_FN_NAF1, NULL);
+	gpio_request(GPIO_FN_NAF0, NULL);
+	gpio_request(GPIO_FN_FCDE, NULL);
+	gpio_request(GPIO_FN_FOE, NULL);
+	gpio_request(GPIO_FN_FSC, NULL);
+	gpio_request(GPIO_FN_FWE, NULL);
+	gpio_request(GPIO_FN_FRB, NULL);
 
 	ctrl_outw(0, PORT_HIZCRC);
 	ctrl_outw(0xFFFF, PORT_DRVCRA);
 	ctrl_outw(0xFFFF, PORT_DRVCRB);
 
-	ctrl_outw((ctrl_inw(PORT_PXCR) & 0x3fff) | 0x4000, PORT_PXCR);
-	ctrl_outb(0x80, PORT_PXDR);
-
 	platform_resource_setup_memory(&ceu_device, "ceu", 4 << 20);
 
 	i2c_register_board_info(0, ap325rxa_i2c_devices,
-- 
GitLab


From 7dd0558d700133249ffa484b67ea51d59f9c49f4 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 18:09:43 +0900
Subject: [PATCH 1613/2224] sh: Hook up PB0->PB7 input-only pins in SH7203 PFC.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
index 3ab56a4e744..6fbc2aa1083 100644
--- a/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
@@ -1083,14 +1083,14 @@ static struct pinmux_cfg_reg pinmux_config_regs[] = {
 		PB10_IN, PB10_OUT,
 		PB9_IN, PB9_OUT,
 		PB8_IN, PB8_OUT,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0 }
+		PB7_IN, 0,
+		PB6_IN, 0,
+		PB5_IN, 0,
+		PB4_IN, 0,
+		PB3_IN, 0,
+		PB2_IN, 0,
+		PB1_IN, 0,
+		PB0_IN, 0 }
 	},
 	{ PINMUX_CFG_REG("PBCRL4", 0xfffe3890, 16, 4) {
 		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1595,5 +1595,4 @@ static int __init plat_pinmux_setup(void)
 {
 	return register_pinmux(&sh7203_pinmux_info);
 }
-
 arch_initcall(plat_pinmux_setup);
-- 
GitLab


From f7141d5884828f733cf9d13ed693135954b0c189 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 18:13:15 +0900
Subject: [PATCH 1614/2224] sh: ap325rxa: Kill off unused port definitions.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/board-ap325rxa.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 033650cc6c9..8881a643ac3 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -145,14 +145,9 @@ static struct platform_device nand_flash_device = {
 #define FPGA_BKLREG	0xB4100212
 #define FPGA_LCDREG_VAL	0x0018
 #define PORT_MSELCRB	0xA4050182
-#define PORT_PUCR	0xA4050142
-#define PORT_PVCR	0xA4050144
-#define PORT_PXCR	0xA4050148
 #define PORT_HIZCRC	0xA405015C
 #define PORT_DRVCRA	0xA405018A
 #define PORT_DRVCRB	0xA405018C
-#define PORT_PXDR	0xA4050168
-#define PORT_PSELC	0xA4050152
 
 static void ap320_wvga_power_on(void *board_data)
 {
-- 
GitLab


From c9306f0efbfbe65a6e9212082f1d1fc19fdc3094 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 18:33:36 +0900
Subject: [PATCH 1615/2224] sh: Wire up oops reporting in the die notifier
 chain.

Commit 3f5a54e371ca20b119b73704f6c01b71295c1714 ("ftrace: dump out ftrace
buffers to console on panic") added an ftrace buffer dumper that hooks
in to the die notifier chain and dumps out data in the oops path.

Unfortunately SH supported ftrace but didn't support DIE_OOPS, so add
that in and get it building again.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/kdebug.h | 1 +
 arch/sh/kernel/traps_32.c    | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/sh/include/asm/kdebug.h b/arch/sh/include/asm/kdebug.h
index 49cd69051a8..0b9f896f203 100644
--- a/arch/sh/include/asm/kdebug.h
+++ b/arch/sh/include/asm/kdebug.h
@@ -4,6 +4,7 @@
 /* Grossly misnamed. */
 enum die_val {
 	DIE_TRAP,
+	DIE_OOPS,
 };
 
 #endif /* __ASM_SH_KDEBUG_H */
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index b359b08a8e3..1e5c74efbac 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -105,6 +105,8 @@ void die(const char * str, struct pt_regs * regs, long err)
 		dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +
 			 (unsigned long)task_stack_page(current));
 
+	notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV);
+
 	bust_spinlocks(0);
 	add_taint(TAINT_DIE);
 	spin_unlock_irq(&die_lock);
-- 
GitLab


From 2bba37e64a0803e2a5d0751f4bdbf2b13d1dd0d7 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 19:45:08 +0900
Subject: [PATCH 1616/2224] sh: Export cache flush routines needed by sh_eth on
 SH7619.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/sh_ksyms_32.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c
index d917b7b4042..d366a744372 100644
--- a/arch/sh/kernel/sh_ksyms_32.c
+++ b/arch/sh/kernel/sh_ksyms_32.c
@@ -126,7 +126,6 @@ DECLARE_EXPORT(__movstrSI12_i4);
 EXPORT_SYMBOL(flush_cache_all);
 EXPORT_SYMBOL(flush_cache_range);
 EXPORT_SYMBOL(flush_dcache_page);
-EXPORT_SYMBOL(__flush_purge_region);
 #endif
 
 #if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
@@ -147,3 +146,9 @@ EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(__clear_user);
 EXPORT_SYMBOL(_ebss);
 EXPORT_SYMBOL(empty_zero_page);
+
+#ifndef CONFIG_CACHE_OFF
+EXPORT_SYMBOL(__flush_purge_region);
+EXPORT_SYMBOL(__flush_wback_region);
+EXPORT_SYMBOL(__flush_invalidate_region);
+#endif
-- 
GitLab


From 5d4529be5e6365029d33044d383c2f527afa5734 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 21 Oct 2008 20:12:59 +0900
Subject: [PATCH 1617/2224] rtc: Add R2025S/D comment to rs5c372 Kconfig entry.

This was accidentally left out when the R2025S/D support was merged
earlier.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 drivers/rtc/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 814f49fde53..671a7d634d8 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -171,10 +171,10 @@ config RTC_DRV_MAX6900
 	  will be called rtc-max6900.
 
 config RTC_DRV_RS5C372
-	tristate "Ricoh RS5C372A/B, RV5C386, RV5C387A"
+	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
 	help
 	  If you say yes here you get support for the
-	  Ricoh RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
+	  Ricoh R2025S/D, RS5C372A, RS5C372B, RV5C386, and RV5C387A RTC chips.
 
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-rs5c372.
-- 
GitLab


From aeb5d727062a0238a2f96c9c380fbd2be4640c6f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 2 Sep 2008 15:28:45 -0400
Subject: [PATCH 1618/2224] [PATCH] introduce fmode_t, do annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/bsg.c                         |  7 ++++---
 block/cmd-filter.c                  |  2 +-
 block/scsi_ioctl.c                  |  5 +++--
 drivers/block/amiflop.c             |  4 ++--
 drivers/block/ataflop.c             |  4 ++--
 drivers/block/floppy.c              |  4 ++--
 drivers/block/paride/pf.c           |  2 +-
 drivers/block/paride/pt.c           |  2 +-
 drivers/block/pktcdvd.c             |  2 +-
 drivers/block/swim3.c               |  4 ++--
 drivers/char/nvram.c                |  6 +++---
 drivers/ide/ide-floppy_ioctl.c      |  2 +-
 drivers/ide/ide-gd.c                |  2 +-
 drivers/md/dm-ioctl.c               |  4 ++--
 drivers/md/dm-table.c               | 12 ++++++------
 drivers/mtd/mtdchar.c               | 10 +++++-----
 drivers/parisc/eisa_eeprom.c        |  2 +-
 fs/block_dev.c                      | 10 +++++-----
 fs/fifo.c                           |  6 +++---
 fs/file_table.c                     |  4 ++--
 fs/hostfs/hostfs_kern.c             |  5 +++--
 fs/locks.c                          |  3 ++-
 fs/open.c                           |  2 +-
 fs/proc/base.c                      |  4 ++--
 fs/reiserfs/journal.c               |  2 +-
 include/linux/blkdev.h              |  3 ++-
 include/linux/device-mapper.h       |  8 ++++----
 include/linux/file.h                |  4 ++--
 include/linux/fs.h                  | 16 ++++++++--------
 include/linux/fsnotify.h            |  2 +-
 include/linux/types.h               |  1 +
 ipc/shm.c                           |  2 +-
 sound/core/oss/pcm_oss.c            |  2 +-
 sound/oss/au1550_ac97.c             |  2 +-
 sound/oss/dmasound/dmasound.h       |  4 ++--
 sound/oss/dmasound/dmasound_atari.c |  4 ++--
 sound/oss/dmasound/dmasound_core.c  | 10 +++++-----
 sound/oss/msnd.h                    |  2 +-
 sound/oss/sound_config.h            | 20 ++++++--------------
 sound/oss/swarm_cs4297a.c           |  2 +-
 sound/oss/vwsnd.c                   |  2 +-
 41 files changed, 96 insertions(+), 98 deletions(-)

diff --git a/block/bsg.c b/block/bsg.c
index 034112bfe1f..2d36b127f38 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -173,7 +173,7 @@ unlock:
 
 static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
 				struct sg_io_v4 *hdr, struct bsg_device *bd,
-				int has_write_perm)
+				fmode_t has_write_perm)
 {
 	if (hdr->request_len > BLK_MAX_CDB) {
 		rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL);
@@ -242,7 +242,7 @@ bsg_validate_sgv4_hdr(struct request_queue *q, struct sg_io_v4 *hdr, int *rw)
  * map sg_io_v4 to a request.
  */
 static struct request *
-bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, int has_write_perm)
+bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, fmode_t has_write_perm)
 {
 	struct request_queue *q = bd->queue;
 	struct request *rq, *next_rq = NULL;
@@ -601,7 +601,8 @@ bsg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 }
 
 static int __bsg_write(struct bsg_device *bd, const char __user *buf,
-		       size_t count, ssize_t *bytes_written, int has_write_perm)
+		       size_t count, ssize_t *bytes_written,
+		       fmode_t has_write_perm)
 {
 	struct bsg_command *bc;
 	struct request *rq;
diff --git a/block/cmd-filter.c b/block/cmd-filter.c
index e669aed4c6b..504b275e1b9 100644
--- a/block/cmd-filter.c
+++ b/block/cmd-filter.c
@@ -27,7 +27,7 @@
 #include <linux/cdrom.h>
 
 int blk_verify_command(struct blk_cmd_filter *filter,
-		       unsigned char *cmd, int has_write_perm)
+		       unsigned char *cmd, fmode_t has_write_perm)
 {
 	/* root can do any command. */
 	if (capable(CAP_SYS_RAWIO))
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index c34272a348f..c525905f9d3 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -384,7 +384,8 @@ int sg_scsi_ioctl(struct file *file, struct request_queue *q,
 		  struct gendisk *disk, struct scsi_ioctl_command __user *sic)
 {
 	struct request *rq;
-	int err, write_perm = 0;
+	int err;
+	fmode_t write_perm = 0;
 	unsigned int in_len, out_len, bytes, opcode, cmdlen;
 	char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE];
 
@@ -428,7 +429,7 @@ int sg_scsi_ioctl(struct file *file, struct request_queue *q,
 
 	/* scsi_ioctl passes NULL */
 	if (file && (file->f_mode & FMODE_WRITE))
-		write_perm = 1;
+		write_perm = FMODE_WRITE;
 
 	err = blk_verify_command(&q->cmd_filter, rq->cmd, write_perm);
 	if (err)
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 7516baff3bb..d19c5a939fe 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1560,9 +1560,9 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	if (fd_ref[drive] && old_dev != system)
 		return -EBUSY;
 
-	if (filp && filp->f_mode & 3) {
+	if (filp && filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
 		check_disk_change(inode->i_bdev);
-		if (filp->f_mode & 2 ) {
+		if (filp->f_mode & FMODE_WRITE ) {
 			int wrprot;
 
 			get_fdc(drive);
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 432cf401829..e1db285b72c 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1826,9 +1826,9 @@ static int floppy_open( struct inode *inode, struct file *filp )
 	if (filp->f_flags & O_NDELAY)
 		return 0;
 
-	if (filp->f_mode & 3) {
+	if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
 		check_disk_change(inode->i_bdev);
-		if (filp->f_mode & 2) {
+		if (filp->f_mode & FMODE_WRITE) {
 			if (p->wpstat) {
 				if (p->ref < 0)
 					p->ref = 0;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 2cea27aba9a..ae3ef8945f3 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3761,14 +3761,14 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		UFDCS->rawcmd = 2;
 
 	if (!(filp->f_flags & O_NDELAY)) {
-		if (filp->f_mode & 3) {
+		if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
 			UDRS->last_checked = 0;
 			check_disk_change(inode->i_bdev);
 			if (UTESTF(FD_DISK_CHANGED))
 				goto out;
 		}
 		res = -EROFS;
-		if ((filp->f_mode & 2) && !(UTESTF(FD_DISK_WRITABLE)))
+		if ((filp->f_mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
 			goto out;
 	}
 	mutex_unlock(&open_lock);
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index e7fe6ca97dd..a902d84fd33 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -305,7 +305,7 @@ static int pf_open(struct inode *inode, struct file *file)
 	if (pf->media_status == PF_NM)
 		return -ENODEV;
 
-	if ((pf->media_status == PF_RO) && (file->f_mode & 2))
+	if ((pf->media_status == PF_RO) && (file->f_mode & FMODE_WRITE))
 		return -EROFS;
 
 	pf->access++;
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 5ae229656ea..1e4006e18f0 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -667,7 +667,7 @@ static int pt_open(struct inode *inode, struct file *file)
 		goto out;
 
 	err = -EROFS;
-	if ((!(tape->flags & PT_WRITE_OK)) && (file->f_mode & 2))
+	if ((!(tape->flags & PT_WRITE_OK)) && (file->f_mode & FMODE_WRITE))
 		goto out;
 
 	if (!(iminor(inode) & 128))
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 195ca7c720f..4d581e8ba9f 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2320,7 +2320,7 @@ static int pkt_open_write(struct pktcdvd_device *pd)
 /*
  * called at open time.
  */
-static int pkt_open_dev(struct pktcdvd_device *pd, int write)
+static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
 {
 	int ret;
 	long lba;
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 730ccea78e4..a53ca54bee1 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -908,13 +908,13 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		return -EBUSY;
 
 	if (err == 0 && (filp->f_flags & O_NDELAY) == 0
-	    && (filp->f_mode & 3)) {
+	    && (filp->f_mode & (FMODE_READ|FMODE_WRITE))) {
 		check_disk_change(inode->i_bdev);
 		if (fs->ejected)
 			err = -ENXIO;
 	}
 
-	if (err == 0 && (filp->f_mode & 2)) {
+	if (err == 0 && (filp->f_mode & FMODE_WRITE)) {
 		if (fs->write_prot < 0)
 			fs->write_prot = swim3_readbit(fs, WRITE_PROT);
 		if (fs->write_prot)
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 39f6357e3b5..8054ee839b3 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -338,7 +338,7 @@ nvram_open(struct inode *inode, struct file *file)
 
 	if ((nvram_open_cnt && (file->f_flags & O_EXCL)) ||
 	    (nvram_open_mode & NVRAM_EXCL) ||
-	    ((file->f_mode & 2) && (nvram_open_mode & NVRAM_WRITE))) {
+	    ((file->f_mode & FMODE_WRITE) && (nvram_open_mode & NVRAM_WRITE))) {
 		spin_unlock(&nvram_state_lock);
 		unlock_kernel();
 		return -EBUSY;
@@ -346,7 +346,7 @@ nvram_open(struct inode *inode, struct file *file)
 
 	if (file->f_flags & O_EXCL)
 		nvram_open_mode |= NVRAM_EXCL;
-	if (file->f_mode & 2)
+	if (file->f_mode & FMODE_WRITE)
 		nvram_open_mode |= NVRAM_WRITE;
 	nvram_open_cnt++;
 
@@ -366,7 +366,7 @@ nvram_release(struct inode *inode, struct file *file)
 	/* if only one instance is open, clear the EXCL bit */
 	if (nvram_open_mode & NVRAM_EXCL)
 		nvram_open_mode &= ~NVRAM_EXCL;
-	if (file->f_mode & 2)
+	if (file->f_mode & FMODE_WRITE)
 		nvram_open_mode &= ~NVRAM_WRITE;
 
 	spin_unlock(&nvram_state_lock);
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 409e4c15f9b..0d5f5054ab6 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -250,7 +250,7 @@ static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
 	case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY:
 		return ide_floppy_get_format_capacities(drive, argp);
 	case IDEFLOPPY_IOCTL_FORMAT_START:
-		if (!(file->f_mode & 2))
+		if (!(file->f_mode & FMODE_WRITE))
 			return -EPERM;
 		return ide_floppy_format_unit(drive, (int __user *)argp);
 	case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS:
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index d44898f46c3..d367473098f 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -202,7 +202,7 @@ static int ide_gd_open(struct inode *inode, struct file *filp)
 			goto out_put_idkp;
 		}
 
-		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & 2)) {
+		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & FMODE_WRITE)) {
 			ret = -EROFS;
 			goto out_put_idkp;
 		}
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index dca401dc70a..777c948180f 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -988,9 +988,9 @@ static int dev_wait(struct dm_ioctl *param, size_t param_size)
 	return r;
 }
 
-static inline int get_mode(struct dm_ioctl *param)
+static inline fmode_t get_mode(struct dm_ioctl *param)
 {
-	int mode = FMODE_READ | FMODE_WRITE;
+	fmode_t mode = FMODE_READ | FMODE_WRITE;
 
 	if (param->flags & DM_READONLY_FLAG)
 		mode = FMODE_READ;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index a740a6950f5..7c8671b06fe 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -43,7 +43,7 @@ struct dm_table {
 	 * device.  This should be a combination of FMODE_READ
 	 * and FMODE_WRITE.
 	 */
-	int mode;
+	fmode_t mode;
 
 	/* a list of devices used by this table */
 	struct list_head devices;
@@ -217,7 +217,7 @@ static int alloc_targets(struct dm_table *t, unsigned int num)
 	return 0;
 }
 
-int dm_table_create(struct dm_table **result, int mode,
+int dm_table_create(struct dm_table **result, fmode_t mode,
 		    unsigned num_targets, struct mapped_device *md)
 {
 	struct dm_table *t = kzalloc(sizeof(*t), GFP_KERNEL);
@@ -395,7 +395,7 @@ static int check_device_area(struct dm_dev_internal *dd, sector_t start,
  * careful to leave things as they were if we fail to reopen the
  * device.
  */
-static int upgrade_mode(struct dm_dev_internal *dd, int new_mode,
+static int upgrade_mode(struct dm_dev_internal *dd, fmode_t new_mode,
 			struct mapped_device *md)
 {
 	int r;
@@ -421,7 +421,7 @@ static int upgrade_mode(struct dm_dev_internal *dd, int new_mode,
  */
 static int __table_get_device(struct dm_table *t, struct dm_target *ti,
 			      const char *path, sector_t start, sector_t len,
-			      int mode, struct dm_dev **result)
+			      fmode_t mode, struct dm_dev **result)
 {
 	int r;
 	dev_t uninitialized_var(dev);
@@ -537,7 +537,7 @@ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev)
 EXPORT_SYMBOL_GPL(dm_set_device_limits);
 
 int dm_get_device(struct dm_target *ti, const char *path, sector_t start,
-		  sector_t len, int mode, struct dm_dev **result)
+		  sector_t len, fmode_t mode, struct dm_dev **result)
 {
 	int r = __table_get_device(ti->table, ti, path,
 				   start, len, mode, result);
@@ -887,7 +887,7 @@ struct list_head *dm_table_get_devices(struct dm_table *t)
 	return &t->devices;
 }
 
-int dm_table_get_mode(struct dm_table *t)
+fmode_t dm_table_get_mode(struct dm_table *t)
 {
 	return t->mode;
 }
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 963840e9b5b..bcffeda2df3 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -96,7 +96,7 @@ static int mtd_open(struct inode *inode, struct file *file)
 		return -ENODEV;
 
 	/* You can't open the RO devices RW */
-	if ((file->f_mode & 2) && (minor & 1))
+	if ((file->f_mode & FMODE_WRITE) && (minor & 1))
 		return -EACCES;
 
 	lock_kernel();
@@ -114,7 +114,7 @@ static int mtd_open(struct inode *inode, struct file *file)
 	}
 
 	/* You can't open it RW if it's not a writeable device */
-	if ((file->f_mode & 2) && !(mtd->flags & MTD_WRITEABLE)) {
+	if ((file->f_mode & FMODE_WRITE) && !(mtd->flags & MTD_WRITEABLE)) {
 		put_mtd_device(mtd);
 		ret = -EACCES;
 		goto out;
@@ -144,7 +144,7 @@ static int mtd_close(struct inode *inode, struct file *file)
 	DEBUG(MTD_DEBUG_LEVEL0, "MTD_close\n");
 
 	/* Only sync if opened RW */
-	if ((file->f_mode & 2) && mtd->sync)
+	if ((file->f_mode & FMODE_WRITE) && mtd->sync)
 		mtd->sync(mtd);
 
 	put_mtd_device(mtd);
@@ -443,7 +443,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 	{
 		struct erase_info *erase;
 
-		if(!(file->f_mode & 2))
+		if(!(file->f_mode & FMODE_WRITE))
 			return -EPERM;
 
 		erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL);
@@ -497,7 +497,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
 		struct mtd_oob_buf __user *user_buf = argp;
 	        uint32_t retlen;
 
-		if(!(file->f_mode & 2))
+		if(!(file->f_mode & FMODE_WRITE))
 			return -EPERM;
 
 		if (copy_from_user(&buf, argp, sizeof(struct mtd_oob_buf)))
diff --git a/drivers/parisc/eisa_eeprom.c b/drivers/parisc/eisa_eeprom.c
index 5ac207932fd..685d94e69d4 100644
--- a/drivers/parisc/eisa_eeprom.c
+++ b/drivers/parisc/eisa_eeprom.c
@@ -86,7 +86,7 @@ static int eisa_eeprom_open(struct inode *inode, struct file *file)
 {
 	cycle_kernel_lock();
 
-	if (file->f_mode & 2)
+	if (file->f_mode & FMODE_WRITE)
 		return -EINVAL;
    
 	return 0;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 218408eed1b..8897f3b02e9 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -840,7 +840,7 @@ EXPORT_SYMBOL_GPL(bd_release_from_disk);
  * to be used for internal purposes.  If you ever need it - reconsider
  * your API.
  */
-struct block_device *open_by_devnum(dev_t dev, unsigned mode)
+struct block_device *open_by_devnum(dev_t dev, fmode_t mode)
 {
 	struct block_device *bdev = bdget(dev);
 	int err = -ENOMEM;
@@ -975,7 +975,7 @@ void bd_set_size(struct block_device *bdev, loff_t size)
 }
 EXPORT_SYMBOL(bd_set_size);
 
-static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags,
+static int __blkdev_get(struct block_device *bdev, fmode_t mode, unsigned flags,
 			int for_part);
 static int __blkdev_put(struct block_device *bdev, int for_part);
 
@@ -1104,7 +1104,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 	return ret;
 }
 
-static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags,
+static int __blkdev_get(struct block_device *bdev, fmode_t mode, unsigned flags,
 			int for_part)
 {
 	/*
@@ -1123,7 +1123,7 @@ static int __blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags,
 	return do_open(bdev, &fake_file, for_part);
 }
 
-int blkdev_get(struct block_device *bdev, mode_t mode, unsigned flags)
+int blkdev_get(struct block_device *bdev, fmode_t mode, unsigned flags)
 {
 	return __blkdev_get(bdev, mode, flags, 0);
 }
@@ -1315,7 +1315,7 @@ EXPORT_SYMBOL(lookup_bdev);
 struct block_device *open_bdev_excl(const char *path, int flags, void *holder)
 {
 	struct block_device *bdev;
-	mode_t mode = FMODE_READ;
+	fmode_t mode = FMODE_READ;
 	int error = 0;
 
 	bdev = lookup_bdev(path);
diff --git a/fs/fifo.c b/fs/fifo.c
index 987bf941149..f8f97b8b6d4 100644
--- a/fs/fifo.c
+++ b/fs/fifo.c
@@ -51,7 +51,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
 	filp->f_mode &= (FMODE_READ | FMODE_WRITE);
 
 	switch (filp->f_mode) {
-	case 1:
+	case FMODE_READ:
 	/*
 	 *  O_RDONLY
 	 *  POSIX.1 says that O_NONBLOCK means return with the FIFO
@@ -76,7 +76,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
 		}
 		break;
 	
-	case 2:
+	case FMODE_WRITE:
 	/*
 	 *  O_WRONLY
 	 *  POSIX.1 says that O_NONBLOCK means return -1 with
@@ -98,7 +98,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
 		}
 		break;
 	
-	case 3:
+	case FMODE_READ | FMODE_WRITE:
 	/*
 	 *  O_RDWR
 	 *  POSIX.1 leaves this case "undefined" when O_NONBLOCK is set.
diff --git a/fs/file_table.c b/fs/file_table.c
index f45a4493f9e..efc06faede6 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -161,7 +161,7 @@ EXPORT_SYMBOL(get_empty_filp);
  * code should be moved into this function.
  */
 struct file *alloc_file(struct vfsmount *mnt, struct dentry *dentry,
-		mode_t mode, const struct file_operations *fop)
+		fmode_t mode, const struct file_operations *fop)
 {
 	struct file *file;
 	struct path;
@@ -193,7 +193,7 @@ EXPORT_SYMBOL(alloc_file);
  * of this should be moving to alloc_file().
  */
 int init_file(struct file *file, struct vfsmount *mnt, struct dentry *dentry,
-	   mode_t mode, const struct file_operations *fop)
+	   fmode_t mode, const struct file_operations *fop)
 {
 	int error = 0;
 	file->f_path.dentry = dentry;
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index d6ecabf4d23..7f34f4385de 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -20,7 +20,7 @@
 struct hostfs_inode_info {
 	char *host_filename;
 	int fd;
-	int mode;
+	fmode_t mode;
 	struct inode vfs_inode;
 };
 
@@ -373,7 +373,8 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir)
 int hostfs_file_open(struct inode *ino, struct file *file)
 {
 	char *name;
-	int mode = 0, r = 0, w = 0, fd;
+	fmode_t mode = 0;
+	int r = 0, w = 0, fd;
 
 	mode = file->f_mode & (FMODE_READ | FMODE_WRITE);
 	if ((mode & HOSTFS_I(ino)->mode) == mode)
diff --git a/fs/locks.c b/fs/locks.c
index 5eb259e3cd3..20457486d6b 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1580,7 +1580,8 @@ asmlinkage long sys_flock(unsigned int fd, unsigned int cmd)
 	cmd &= ~LOCK_NB;
 	unlock = (cmd == LOCK_UN);
 
-	if (!unlock && !(cmd & LOCK_MAND) && !(filp->f_mode & 3))
+	if (!unlock && !(cmd & LOCK_MAND) &&
+	    !(filp->f_mode & (FMODE_READ|FMODE_WRITE)))
 		goto out_putf;
 
 	error = flock_make_lock(filp, &lock, cmd);
diff --git a/fs/open.c b/fs/open.c
index 5596049863b..83cdb9dee0c 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -798,7 +798,7 @@ static struct file *__dentry_open(struct dentry *dentry, struct vfsmount *mnt,
 	int error;
 
 	f->f_flags = flags;
-	f->f_mode = ((flags+1) & O_ACCMODE) | FMODE_LSEEK |
+	f->f_mode = (__force fmode_t)((flags+1) & O_ACCMODE) | FMODE_LSEEK |
 				FMODE_PREAD | FMODE_PWRITE;
 	inode = dentry->d_inode;
 	if (f->f_mode & FMODE_WRITE) {
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b5918ae8ca7..486cf3fe713 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1712,9 +1712,9 @@ static struct dentry *proc_fd_instantiate(struct inode *dir,
 	file = fcheck_files(files, fd);
 	if (!file)
 		goto out_unlock;
-	if (file->f_mode & 1)
+	if (file->f_mode & FMODE_READ)
 		inode->i_mode |= S_IRUSR | S_IXUSR;
-	if (file->f_mode & 2)
+	if (file->f_mode & FMODE_WRITE)
 		inode->i_mode |= S_IWUSR | S_IXUSR;
 	spin_unlock(&files->file_lock);
 	put_files_struct(files);
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index c21df71943a..b89d193a00d 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2593,7 +2593,7 @@ static int journal_init_dev(struct super_block *super,
 {
 	int result;
 	dev_t jdev;
-	int blkdev_mode = FMODE_READ | FMODE_WRITE;
+	fmode_t blkdev_mode = FMODE_READ | FMODE_WRITE;
 	char b[BDEVNAME_SIZE];
 
 	result = 0;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b4fe68fe3a5..a4413ec3cb3 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -910,7 +910,8 @@ static inline int sb_issue_discard(struct super_block *sb,
 * command filter functions
 */
 extern int blk_verify_command(struct blk_cmd_filter *filter,
-			      unsigned char *cmd, int has_write_perm);
+			      unsigned char *cmd, fmode_t has_write_perm);
+extern void blk_unregister_filter(struct gendisk *disk);
 extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter);
 
 #define MAX_PHYS_SEGMENTS 128
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 08d783592b7..3f8d4e76367 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -85,7 +85,7 @@ void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev);
 
 struct dm_dev {
 	struct block_device *bdev;
-	int mode;
+	fmode_t mode;
 	char name[16];
 };
 
@@ -95,7 +95,7 @@ struct dm_dev {
  * FIXME: too many arguments.
  */
 int dm_get_device(struct dm_target *ti, const char *path, sector_t start,
-		  sector_t len, int mode, struct dm_dev **result);
+		  sector_t len, fmode_t mode, struct dm_dev **result);
 void dm_put_device(struct dm_target *ti, struct dm_dev *d);
 
 /*
@@ -223,7 +223,7 @@ int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo);
 /*
  * First create an empty table.
  */
-int dm_table_create(struct dm_table **result, int mode,
+int dm_table_create(struct dm_table **result, fmode_t mode,
 		    unsigned num_targets, struct mapped_device *md);
 
 /*
@@ -254,7 +254,7 @@ void dm_table_put(struct dm_table *t);
  */
 sector_t dm_table_get_size(struct dm_table *t);
 unsigned int dm_table_get_num_targets(struct dm_table *t);
-int dm_table_get_mode(struct dm_table *t);
+fmode_t dm_table_get_mode(struct dm_table *t);
 struct mapped_device *dm_table_get_md(struct dm_table *t);
 
 /*
diff --git a/include/linux/file.h b/include/linux/file.h
index a20259e248a..335a0a5c316 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -19,10 +19,10 @@ struct file_operations;
 struct vfsmount;
 struct dentry;
 extern int init_file(struct file *, struct vfsmount *mnt,
-		struct dentry *dentry, mode_t mode,
+		struct dentry *dentry, fmode_t mode,
 		const struct file_operations *fop);
 extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry,
-		mode_t mode, const struct file_operations *fop);
+		fmode_t mode, const struct file_operations *fop);
 
 static inline void fput_light(struct file *file, int fput_needed)
 {
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a6a625be13f..60a7a581ba9 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -63,18 +63,18 @@ extern int dir_notify_enable;
 #define MAY_ACCESS 16
 #define MAY_OPEN 32
 
-#define FMODE_READ 1
-#define FMODE_WRITE 2
+#define FMODE_READ ((__force fmode_t)1)
+#define FMODE_WRITE ((__force fmode_t)2)
 
 /* Internal kernel extensions */
-#define FMODE_LSEEK	4
-#define FMODE_PREAD	8
+#define FMODE_LSEEK	((__force fmode_t)4)
+#define FMODE_PREAD	((__force fmode_t)8)
 #define FMODE_PWRITE	FMODE_PREAD	/* These go hand in hand */
 
 /* File is being opened for execution. Primary users of this flag are
    distributed filesystems that can use it to achieve correct ETXTBUSY
    behavior for cross-node execution/opening_for_writing of files */
-#define FMODE_EXEC	16
+#define FMODE_EXEC	((__force fmode_t)16)
 
 #define RW_MASK		1
 #define RWA_MASK	2
@@ -825,7 +825,7 @@ struct file {
 	const struct file_operations	*f_op;
 	atomic_long_t		f_count;
 	unsigned int 		f_flags;
-	mode_t			f_mode;
+	fmode_t			f_mode;
 	loff_t			f_pos;
 	struct fown_struct	f_owner;
 	unsigned int		f_uid, f_gid;
@@ -1714,7 +1714,7 @@ extern struct block_device *bdget(dev_t);
 extern void bd_set_size(struct block_device *, loff_t size);
 extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
-extern struct block_device *open_by_devnum(dev_t, unsigned);
+extern struct block_device *open_by_devnum(dev_t, fmode_t);
 #else
 static inline void bd_forget(struct inode *inode) {}
 #endif
@@ -1729,7 +1729,7 @@ extern int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 			       struct gendisk *disk, unsigned cmd,
 			       unsigned long arg);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
-extern int blkdev_get(struct block_device *, mode_t, unsigned);
+extern int blkdev_get(struct block_device *, fmode_t, unsigned);
 extern int blkdev_put(struct block_device *);
 extern int bd_claim(struct block_device *, void *);
 extern void bd_release(struct block_device *);
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index a89513188ce..00fbd5b245c 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -188,7 +188,7 @@ static inline void fsnotify_close(struct file *file)
 	struct dentry *dentry = file->f_path.dentry;
 	struct inode *inode = dentry->d_inode;
 	const char *name = dentry->d_name.name;
-	mode_t mode = file->f_mode;
+	fmode_t mode = file->f_mode;
 	u32 mask = (mode & FMODE_WRITE) ? IN_CLOSE_WRITE : IN_CLOSE_NOWRITE;
 
 	if (S_ISDIR(inode->i_mode))
diff --git a/include/linux/types.h b/include/linux/types.h
index f24f7beb47d..1d98330b1f2 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -190,6 +190,7 @@ typedef __u32 __bitwise __wsum;
 
 #ifdef __KERNEL__
 typedef unsigned __bitwise__ gfp_t;
+typedef unsigned __bitwise__ fmode_t;
 
 #ifdef CONFIG_PHYS_ADDR_T_64BIT
 typedef u64 phys_addr_t;
diff --git a/ipc/shm.c b/ipc/shm.c
index 0add3fa5f54..867e5d6a55c 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -817,7 +817,7 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
 	struct ipc_namespace *ns;
 	struct shm_file_data *sfd;
 	struct path path;
-	mode_t f_mode;
+	fmode_t f_mode;
 
 	err = -EINVAL;
 	if (shmid < 0)
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 1af62b8b86c..e17836680f4 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -2283,7 +2283,7 @@ static int snd_pcm_oss_open_file(struct file *file,
 	int idx, err;
 	struct snd_pcm_oss_file *pcm_oss_file;
 	struct snd_pcm_substream *substream;
-	unsigned int f_mode = file->f_mode;
+	fmode_t f_mode = file->f_mode;
 
 	if (rpcm_oss_file)
 		*rpcm_oss_file = NULL;
diff --git a/sound/oss/au1550_ac97.c b/sound/oss/au1550_ac97.c
index 23018a7c063..81e1f443d09 100644
--- a/sound/oss/au1550_ac97.c
+++ b/sound/oss/au1550_ac97.c
@@ -93,7 +93,7 @@ static struct au1550_state {
 	spinlock_t      lock;
 	struct mutex open_mutex;
 	struct mutex sem;
-	mode_t          open_mode;
+	fmode_t          open_mode;
 	wait_queue_head_t open_wait;
 
 	struct dmabuf {
diff --git a/sound/oss/dmasound/dmasound.h b/sound/oss/dmasound/dmasound.h
index d978b009656..1cb13fe56ec 100644
--- a/sound/oss/dmasound/dmasound.h
+++ b/sound/oss/dmasound/dmasound.h
@@ -129,7 +129,7 @@ typedef struct {
     int (*mixer_ioctl)(u_int, u_long);	/* optional */
     int (*write_sq_setup)(void);	/* optional */
     int (*read_sq_setup)(void);		/* optional */
-    int (*sq_open)(mode_t);		/* optional */
+    int (*sq_open)(fmode_t);		/* optional */
     int (*state_info)(char *, size_t);	/* optional */
     void (*abort_read)(void);		/* optional */
     int min_dsp_speed;
@@ -235,7 +235,7 @@ struct sound_queue {
      */
     int active;
     wait_queue_head_t action_queue, open_queue, sync_queue;
-    int open_mode;
+    fmode_t open_mode;
     int busy, syncing, xruns, died;
 };
 
diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c
index 285239d64b8..4d45bd63718 100644
--- a/sound/oss/dmasound/dmasound_atari.c
+++ b/sound/oss/dmasound/dmasound_atari.c
@@ -143,7 +143,7 @@ static int AtaMixerIoctl(u_int cmd, u_long arg);
 static int TTMixerIoctl(u_int cmd, u_long arg);
 static int FalconMixerIoctl(u_int cmd, u_long arg);
 static int AtaWriteSqSetup(void);
-static int AtaSqOpen(mode_t mode);
+static int AtaSqOpen(fmode_t mode);
 static int TTStateInfo(char *buffer, size_t space);
 static int FalconStateInfo(char *buffer, size_t space);
 
@@ -1461,7 +1461,7 @@ static int AtaWriteSqSetup(void)
 	return 0 ;
 }
 
-static int AtaSqOpen(mode_t mode)
+static int AtaSqOpen(fmode_t mode)
 {
 	write_sq_ignore_int = 1;
 	return 0 ;
diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c
index 95fc5c68175..b8239f3168f 100644
--- a/sound/oss/dmasound/dmasound_core.c
+++ b/sound/oss/dmasound/dmasound_core.c
@@ -212,7 +212,7 @@ static int irq_installed;
 #endif /* MODULE */
 
 /* control over who can modify resources shared between play/record */
-static mode_t shared_resource_owner;
+static fmode_t shared_resource_owner;
 static int shared_resources_initialised;
 
     /*
@@ -668,7 +668,7 @@ static inline void sq_init_waitqueue(struct sound_queue *sq)
 
 #if 0 /* blocking open() */
 static inline void sq_wake_up(struct sound_queue *sq, struct file *file,
-			      mode_t mode)
+			      fmode_t mode)
 {
 	if (file->f_mode & mode) {
 		sq->busy = 0; /* CHECK: IS THIS OK??? */
@@ -677,7 +677,7 @@ static inline void sq_wake_up(struct sound_queue *sq, struct file *file,
 }
 #endif
 
-static int sq_open2(struct sound_queue *sq, struct file *file, mode_t mode,
+static int sq_open2(struct sound_queue *sq, struct file *file, fmode_t mode,
 		    int numbufs, int bufsize)
 {
 	int rc = 0;
@@ -891,10 +891,10 @@ static int sq_release(struct inode *inode, struct file *file)
    is the owner - if we have problems.
 */
 
-static int shared_resources_are_mine(mode_t md)
+static int shared_resources_are_mine(fmode_t md)
 {
 	if (shared_resource_owner)
-		return (shared_resource_owner & md ) ;
+		return (shared_resource_owner & md) != 0;
 	else {
 		shared_resource_owner = md ;
 		return 1 ;
diff --git a/sound/oss/msnd.h b/sound/oss/msnd.h
index 61b3955481c..c8be47ec2b7 100644
--- a/sound/oss/msnd.h
+++ b/sound/oss/msnd.h
@@ -211,7 +211,7 @@ typedef struct multisound_dev {
 
 	/* State variables */
 	enum { msndClassic, msndPinnacle } type;
-	mode_t mode;
+	fmode_t mode;
 	unsigned long flags;
 #define F_RESETTING			0
 #define F_HAVEDIGITAL			1
diff --git a/sound/oss/sound_config.h b/sound/oss/sound_config.h
index 1a00a321061..55271fbe7f4 100644
--- a/sound/oss/sound_config.h
+++ b/sound/oss/sound_config.h
@@ -110,24 +110,16 @@ struct channel_info {
 #define OPEN_WRITE	PCM_ENABLE_OUTPUT
 #define OPEN_READWRITE	(OPEN_READ|OPEN_WRITE)
 
-#if OPEN_READ == FMODE_READ && OPEN_WRITE == FMODE_WRITE
-
-static inline int translate_mode(struct file *file)
-{
-	return file->f_mode;
-}
-
-#else
-
 static inline int translate_mode(struct file *file)
 {
-	return ((file->f_mode & FMODE_READ) ? OPEN_READ : 0) |
-		((file->f_mode & FMODE_WRITE) ? OPEN_WRITE : 0);
+	if (OPEN_READ == (__force int)FMODE_READ &&
+	    OPEN_WRITE == (__force int)FMODE_WRITE)
+		return (__force int)(file->f_mode & (FMODE_READ | FMODE_WRITE));
+	else
+		return ((file->f_mode & FMODE_READ) ? OPEN_READ : 0) |
+			((file->f_mode & FMODE_WRITE) ? OPEN_WRITE : 0);
 }
 
-#endif
-
-
 #include "sound_calls.h"
 #include "dev_table.h"
 
diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c
index 044453a4ee5..41562ecde5b 100644
--- a/sound/oss/swarm_cs4297a.c
+++ b/sound/oss/swarm_cs4297a.c
@@ -295,7 +295,7 @@ struct cs4297a_state {
 	struct mutex open_mutex;
 	struct mutex open_sem_adc;
 	struct mutex open_sem_dac;
-	mode_t open_mode;
+	fmode_t open_mode;
 	wait_queue_head_t open_wait;
 	wait_queue_head_t open_wait_adc;
 	wait_queue_head_t open_wait_dac;
diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c
index dcbb3f739e6..78b8acc7c3b 100644
--- a/sound/oss/vwsnd.c
+++ b/sound/oss/vwsnd.c
@@ -1509,7 +1509,7 @@ typedef struct vwsnd_dev {
 	struct mutex open_mutex;
 	struct mutex io_mutex;
 	struct mutex mix_mutex;
-	mode_t		open_mode;
+	fmode_t		open_mode;
 	wait_queue_head_t open_wait;
 
 	lithium_t	lith;
-- 
GitLab


From 86d434dede14108dd917b25af0f29c0cb28b8d18 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 26 Aug 2007 19:50:05 -0400
Subject: [PATCH 1619/2224] [PATCH] eliminate use of ->f_flags in block methods

store needed information in f_mode

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/ataflop.c |  6 +++---
 drivers/block/floppy.c  | 15 ++++-----------
 drivers/block/swim3.c   |  6 +++---
 drivers/block/ub.c      |  2 +-
 drivers/cdrom/cdrom.c   |  4 ++--
 drivers/ide/ide-gd.c    |  2 +-
 drivers/scsi/sd.c       |  2 +-
 fs/block_dev.c          |  7 +++++++
 include/linux/fs.h      |  4 ++++
 9 files changed, 26 insertions(+), 22 deletions(-)

diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index e1db285b72c..85d56a26f7c 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1813,17 +1813,17 @@ static int floppy_open( struct inode *inode, struct file *filp )
 	if (p->ref && p->type != type)
 		return -EBUSY;
 
-	if (p->ref == -1 || (p->ref && filp->f_flags & O_EXCL))
+	if (p->ref == -1 || (p->ref && filp->f_mode & FMODE_EXCL))
 		return -EBUSY;
 
-	if (filp->f_flags & O_EXCL)
+	if (filp->f_mode & FMODE_EXCL)
 		p->ref = -1;
 	else
 		p->ref++;
 
 	p->type = type;
 
-	if (filp->f_flags & O_NDELAY)
+	if (filp->f_mode & FMODE_NDELAY)
 		return 0;
 
 	if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index ae3ef8945f3..5d60c05a736 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3453,7 +3453,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		    unsigned long param)
 {
-#define FD_IOCTL_ALLOWED ((filp) && (filp)->private_data)
+#define FD_IOCTL_ALLOWED ((filp) && (filp)->f_mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
 #define OUT(c,x) case c: outparam = (const char *) (x); break
 #define IN(c,x,tag) case c: *(x) = inparam. tag ; return 0
 
@@ -3690,7 +3690,6 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	int res = -EBUSY;
 	char *tmp;
 
-	filp->private_data = (void *)0;
 	mutex_lock(&open_lock);
 	old_dev = UDRS->fd_device;
 	if (opened_bdev[drive] && opened_bdev[drive] != inode->i_bdev)
@@ -3701,10 +3700,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		USETF(FD_VERIFY);
 	}
 
-	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_flags & O_EXCL)))
+	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_mode & FMODE_EXCL)))
 		goto out2;
 
-	if (filp->f_flags & O_EXCL)
+	if (filp->f_mode & FMODE_EXCL)
 		UDRS->fd_ref = -1;
 	else
 		UDRS->fd_ref++;
@@ -3751,16 +3750,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
 			buffer_track = -1;
 	}
 
-	/* Allow ioctls if we have write-permissions even if read-only open.
-	 * Needed so that programs such as fdrawcmd still can work on write
-	 * protected disks */
-	if ((filp->f_mode & FMODE_WRITE) || !file_permission(filp, MAY_WRITE))
-		filp->private_data = (void *)8;
-
 	if (UFDCS->rawcmd == 1)
 		UFDCS->rawcmd = 2;
 
-	if (!(filp->f_flags & O_NDELAY)) {
+	if (!(filp->f_mode & FMODE_NDELAY)) {
 		if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
 			UDRS->last_checked = 0;
 			check_disk_change(inode->i_bdev);
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index a53ca54bee1..5c45d5556ae 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -904,10 +904,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		swim3_action(fs, SETMFM);
 		swim3_select(fs, RELAX);
 
-	} else if (fs->ref_count == -1 || filp->f_flags & O_EXCL)
+	} else if (fs->ref_count == -1 || filp->f_mode & FMODE_EXCL)
 		return -EBUSY;
 
-	if (err == 0 && (filp->f_flags & O_NDELAY) == 0
+	if (err == 0 && (filp->f_mode & FMODE_NDELAY) == 0
 	    && (filp->f_mode & (FMODE_READ|FMODE_WRITE))) {
 		check_disk_change(inode->i_bdev);
 		if (fs->ejected)
@@ -930,7 +930,7 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		return err;
 	}
 
-	if (filp->f_flags & O_EXCL)
+	if (filp->f_mode & FMODE_EXCL)
 		fs->ref_count = -1;
 	else
 		++fs->ref_count;
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index f60e41833f6..85d41eb67c0 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1691,7 +1691,7 @@ static int ub_bd_open(struct inode *inode, struct file *filp)
 	 * under some pretty murky conditions (a failure of READ CAPACITY).
 	 * We may need it one day.
 	 */
-	if (lun->removable && lun->changed && !(filp->f_flags & O_NDELAY)) {
+	if (lun->removable && lun->changed && !(filp->f_mode & FMODE_NDELAY)) {
 		rc = -ENOMEDIUM;
 		goto err_open;
 	}
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index d47f2f80acc..4feefa622ae 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -982,7 +982,7 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
 	/* if this was a O_NONBLOCK open and we should honor the flags,
 	 * do a quick open without drive/disc integrity checks. */
 	cdi->use_count++;
-	if ((fp->f_flags & O_NONBLOCK) && (cdi->options & CDO_USE_FFLAGS)) {
+	if ((fp->f_mode & FMODE_NDELAY) && (cdi->options & CDO_USE_FFLAGS)) {
 		ret = cdi->ops->open(cdi, 1);
 	} else {
 		ret = open_for_data(cdi);
@@ -1205,7 +1205,7 @@ int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
 	}
 
 	opened_for_data = !(cdi->options & CDO_USE_FFLAGS) ||
-		!(fp && fp->f_flags & O_NONBLOCK);
+		!(fp && fp->f_mode & FMODE_NDELAY);
 
 	/*
 	 * flush cache on last write release
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index d367473098f..66bbb0a22f5 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -197,7 +197,7 @@ static int ide_gd_open(struct inode *inode, struct file *filp)
 		 * unreadable disk, so that we can get the format capacity
 		 * of the drive or begin the format - Sam
 		 */
-		if (ret && (filp->f_flags & O_NDELAY) == 0) {
+		if (ret && (filp->f_mode & FMODE_NDELAY) == 0) {
 			ret = -EIO;
 			goto out_put_idkp;
 		}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7c4d2e68df1..202c1ed9abd 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -640,7 +640,7 @@ static int sd_open(struct inode *inode, struct file *filp)
 	 */
 	retval = -ENOMEDIUM;
 	if (sdev->removable && !sdkp->media_present &&
-	    !(filp->f_flags & O_NDELAY))
+	    !(filp->f_mode & FMODE_NDELAY))
 		goto error_out;
 
 	/*
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 8897f3b02e9..b9022694e9f 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1007,6 +1007,13 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		return ret;
 	}
 
+	if (file->f_flags & O_NDELAY)
+		file->f_mode |= FMODE_NDELAY;
+	if (file->f_flags & O_EXCL)
+		file->f_mode |= FMODE_EXCL;
+	if ((file->f_flags & O_ACCMODE) == 3)
+		file->f_mode |= FMODE_WRITE_IOCTL;
+
 	ret = -ENXIO;
 	file->f_mapping = bdev->bd_inode->i_mapping;
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 60a7a581ba9..5ab5579a516 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -76,6 +76,10 @@ extern int dir_notify_enable;
    behavior for cross-node execution/opening_for_writing of files */
 #define FMODE_EXEC	((__force fmode_t)16)
 
+#define FMODE_NDELAY	((__force fmode_t)32)
+#define FMODE_EXCL	((__force fmode_t)64)
+#define FMODE_WRITE_IOCTL	((__force fmode_t)128)
+
 #define RW_MASK		1
 #define RWA_MASK	2
 #define READ 0
-- 
GitLab


From 5842e51ff2e8d660756248db80ad24e4f41977d9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 2 Sep 2008 16:35:55 -0400
Subject: [PATCH 1620/2224] [PATCH] pass mode instead of file to sg_io()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/scsi_ioctl.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index c525905f9d3..9a441559118 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -190,12 +190,11 @@ void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter)
 EXPORT_SYMBOL_GPL(blk_set_cmd_filter_defaults);
 
 static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
-			     struct sg_io_hdr *hdr, struct file *file)
+			     struct sg_io_hdr *hdr, fmode_t mode)
 {
 	if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len))
 		return -EFAULT;
-	if (blk_verify_command(&q->cmd_filter, rq->cmd,
-			       file->f_mode & FMODE_WRITE))
+	if (blk_verify_command(&q->cmd_filter, rq->cmd, mode & FMODE_WRITE))
 		return -EPERM;
 
 	/*
@@ -260,8 +259,8 @@ static int blk_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr,
 	return r;
 }
 
-static int sg_io(struct file *file, struct request_queue *q,
-		struct gendisk *bd_disk, struct sg_io_hdr *hdr)
+static int sg_io(struct request_queue *q, struct gendisk *bd_disk,
+		struct sg_io_hdr *hdr, fmode_t mode)
 {
 	unsigned long start_time;
 	int writing = 0, ret = 0;
@@ -293,7 +292,7 @@ static int sg_io(struct file *file, struct request_queue *q,
 	if (!rq)
 		return -ENOMEM;
 
-	if (blk_fill_sghdr_rq(q, rq, hdr, file)) {
+	if (blk_fill_sghdr_rq(q, rq, hdr, mode)) {
 		blk_put_request(rq);
 		return -EFAULT;
 	}
@@ -565,7 +564,7 @@ int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
 			err = -EFAULT;
 			if (copy_from_user(&hdr, arg, sizeof(hdr)))
 				break;
-			err = sg_io(file, q, bd_disk, &hdr);
+			err = sg_io(q, bd_disk, &hdr, file ? file->f_mode : 0);
 			if (err == -EFAULT)
 				break;
 
@@ -613,7 +612,7 @@ int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
 			hdr.cmdp = ((struct cdrom_generic_command __user*) arg)->cmd;
 			hdr.cmd_len = sizeof(cgc.cmd);
 
-			err = sg_io(file, q, bd_disk, &hdr);
+			err = sg_io(q, bd_disk, &hdr, file ? file->f_mode : 0);
 			if (err == -EFAULT)
 				break;
 
-- 
GitLab


From e915e872ed921d707bc32b3f2184d43abfa8c9e2 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 2 Sep 2008 17:16:41 -0400
Subject: [PATCH 1621/2224] [PATCH] switch sg_scsi_ioctl() to passing fmode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/scsi_ioctl.c        | 13 ++++---------
 drivers/scsi/scsi_ioctl.c |  2 +-
 drivers/scsi/sg.c         |  2 +-
 include/linux/blkdev.h    |  4 ++--
 4 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 9a441559118..375e25df8ad 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -379,12 +379,11 @@ out:
  *      bytes in one int) where the lowest byte is the SCSI status.
  */
 #define OMAX_SB_LEN 16          /* For backward compatibility */
-int sg_scsi_ioctl(struct file *file, struct request_queue *q,
-		  struct gendisk *disk, struct scsi_ioctl_command __user *sic)
+int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
+		struct scsi_ioctl_command __user *sic)
 {
 	struct request *rq;
 	int err;
-	fmode_t write_perm = 0;
 	unsigned int in_len, out_len, bytes, opcode, cmdlen;
 	char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE];
 
@@ -426,11 +425,7 @@ int sg_scsi_ioctl(struct file *file, struct request_queue *q,
 	if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len))
 		goto error;
 
-	/* scsi_ioctl passes NULL */
-	if (file && (file->f_mode & FMODE_WRITE))
-		write_perm = FMODE_WRITE;
-
-	err = blk_verify_command(&q->cmd_filter, rq->cmd, write_perm);
+	err = blk_verify_command(&q->cmd_filter, rq->cmd, mode & FMODE_WRITE);
 	if (err)
 		goto error;
 
@@ -636,7 +631,7 @@ int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
 			if (!arg)
 				break;
 
-			err = sg_scsi_ioctl(file, q, bd_disk, arg);
+			err = sg_scsi_ioctl(q, bd_disk, file ? file->f_mode : 0, arg);
 			break;
 		case CDROMCLOSETRAY:
 			err = blk_send_start_stop(q, bd_disk, 0x03);
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 28b19ef2630..1f08f5a2f8f 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -237,7 +237,7 @@ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 	case SCSI_IOCTL_SEND_COMMAND:
 		if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
 			return -EACCES;
-		return sg_scsi_ioctl(NULL, sdev->request_queue, NULL, arg);
+		return sg_scsi_ioctl(sdev->request_queue, NULL, 0, arg);
 	case SCSI_IOCTL_DOORLOCK:
 		return scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT);
 	case SCSI_IOCTL_DOORUNLOCK:
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 93bd59a1ed7..9adf35bd8b5 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1059,7 +1059,7 @@ sg_ioctl(struct inode *inode, struct file *filp,
 			if (sg_allow_access(filp, &opcode))
 				return -EPERM;
 		}
-		return sg_scsi_ioctl(filp, sdp->device->request_queue, NULL, p);
+		return sg_scsi_ioctl(sdp->device->request_queue, NULL, filp->f_mode, p);
 	case SG_SET_DEBUG:
 		result = get_user(val, ip);
 		if (result)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a4413ec3cb3..8945c30e993 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -719,8 +719,8 @@ extern int blk_remove_plug(struct request_queue *);
 extern void blk_recount_segments(struct request_queue *, struct bio *);
 extern int scsi_cmd_ioctl(struct file *, struct request_queue *,
 			  struct gendisk *, unsigned int, void __user *);
-extern int sg_scsi_ioctl(struct file *, struct request_queue *,
-		struct gendisk *, struct scsi_ioctl_command __user *);
+extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
+			 struct scsi_ioctl_command __user *);
 
 /*
  * Temporary export, until SCSI gets fixed up.
-- 
GitLab


From 74f3c8aff36ad6552ea609c8b20bfd588fa16f38 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 27 Aug 2007 15:38:10 -0400
Subject: [PATCH 1622/2224] [PATCH] switch scsi_cmd_ioctl() to passing fmode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/bsg.c                    |  2 +-
 block/scsi_ioctl.c             | 10 +++++-----
 drivers/block/cciss.c          |  3 ++-
 drivers/block/ub.c             |  2 +-
 drivers/block/virtio_blk.c     |  4 ++--
 drivers/cdrom/cdrom.c          |  2 +-
 drivers/ide/ide-floppy_ioctl.c |  4 ++--
 drivers/scsi/sd.c              |  3 ++-
 drivers/scsi/st.c              |  4 ++--
 include/linux/blkdev.h         |  4 ++--
 10 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/block/bsg.c b/block/bsg.c
index 2d36b127f38..e8bd2475682 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -914,7 +914,7 @@ static long bsg_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case SG_EMULATED_HOST:
 	case SCSI_IOCTL_SEND_COMMAND: {
 		void __user *uarg = (void __user *) arg;
-		return scsi_cmd_ioctl(file, bd->queue, NULL, cmd, uarg);
+		return scsi_cmd_ioctl(bd->queue, NULL, file->f_mode, cmd, uarg);
 	}
 	case SG_IO: {
 		struct request *rq;
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 375e25df8ad..5963cf91a3a 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -517,8 +517,8 @@ static inline int blk_send_start_stop(struct request_queue *q,
 	return __blk_send_generic(q, bd_disk, GPCMD_START_STOP_UNIT, data);
 }
 
-int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
-		   struct gendisk *bd_disk, unsigned int cmd, void __user *arg)
+int scsi_cmd_ioctl(struct request_queue *q, struct gendisk *bd_disk, fmode_t mode,
+		   unsigned int cmd, void __user *arg)
 {
 	int err;
 
@@ -559,7 +559,7 @@ int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
 			err = -EFAULT;
 			if (copy_from_user(&hdr, arg, sizeof(hdr)))
 				break;
-			err = sg_io(q, bd_disk, &hdr, file ? file->f_mode : 0);
+			err = sg_io(q, bd_disk, &hdr, mode);
 			if (err == -EFAULT)
 				break;
 
@@ -607,7 +607,7 @@ int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
 			hdr.cmdp = ((struct cdrom_generic_command __user*) arg)->cmd;
 			hdr.cmd_len = sizeof(cgc.cmd);
 
-			err = sg_io(q, bd_disk, &hdr, file ? file->f_mode : 0);
+			err = sg_io(q, bd_disk, &hdr, mode);
 			if (err == -EFAULT)
 				break;
 
@@ -631,7 +631,7 @@ int scsi_cmd_ioctl(struct file *file, struct request_queue *q,
 			if (!arg)
 				break;
 
-			err = sg_scsi_ioctl(q, bd_disk, file ? file->f_mode : 0, arg);
+			err = sg_scsi_ioctl(q, bd_disk, mode, arg);
 			break;
 		case CDROMCLOSETRAY:
 			err = blk_send_start_stop(q, bd_disk, 0x03);
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 1e1f9153000..d9b1c15b811 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1232,7 +1232,8 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
 	case SG_EMULATED_HOST:
 	case SG_IO:
 	case SCSI_IOCTL_SEND_COMMAND:
-		return scsi_cmd_ioctl(filep, disk->queue, disk, cmd, argp);
+		return scsi_cmd_ioctl(disk->queue, disk,
+				      filep ? filep->f_mode : 0, cmd, argp);
 
 	/* scsi_cmd_ioctl would normally handle these, below, but */
 	/* they aren't a good fit for cciss, as CD-ROMs are */
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 85d41eb67c0..bc04330f368 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1729,7 +1729,7 @@ static int ub_bd_ioctl(struct inode *inode, struct file *filp,
 	struct gendisk *disk = inode->i_bdev->bd_disk;
 	void __user *usermem = (void __user *) arg;
 
-	return scsi_cmd_ioctl(filp, disk->queue, disk, cmd, usermem);
+	return scsi_cmd_ioctl(disk->queue, disk, filp ? filp->f_mode : 0, cmd, usermem);
 }
 
 /*
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ec5fc05278..7643cd16fd6 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -149,8 +149,8 @@ static void do_virtblk_request(struct request_queue *q)
 static int virtblk_ioctl(struct inode *inode, struct file *filp,
 			 unsigned cmd, unsigned long data)
 {
-	return scsi_cmd_ioctl(filp, inode->i_bdev->bd_disk->queue,
-			      inode->i_bdev->bd_disk, cmd,
+	return scsi_cmd_ioctl(inode->i_bdev->bd_disk->queue,
+			      inode->i_bdev->bd_disk, filp->f_mode, cmd,
 			      (void __user *)data);
 }
 
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 4feefa622ae..e286eb5d1f6 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2672,7 +2672,7 @@ int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi,
 	/*
 	 * Try the generic SCSI command ioctl's first.
 	 */
-	ret = scsi_cmd_ioctl(file, disk->queue, disk, cmd, argp);
+	ret = scsi_cmd_ioctl(disk->queue, disk, file ? file->f_mode : 0, cmd, argp);
 	if (ret != -ENOTTY)
 		return ret;
 
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 0d5f5054ab6..3c9da4ac934 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -280,8 +280,8 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
 	 * and CDROM_SEND_PACKET (legacy) ioctls
 	 */
 	if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
-		err = scsi_cmd_ioctl(file, bdev->bd_disk->queue,
-					bdev->bd_disk, cmd, argp);
+		err = scsi_cmd_ioctl(bdev->bd_disk->queue, bdev->bd_disk,
+				file ? file->f_mode : 0, cmd, argp);
 
 	if (err == -ENOTTY)
 		err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 202c1ed9abd..5d74413f591 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -775,7 +775,8 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
 		case SCSI_IOCTL_GET_BUS_NUMBER:
 			return scsi_ioctl(sdp, cmd, p);
 		default:
-			error = scsi_cmd_ioctl(filp, disk->queue, disk, cmd, p);
+			error = scsi_cmd_ioctl(disk->queue, disk,
+					filp ? filp->f_mode : 0, cmd, p);
 			if (error != -ENOTTY)
 				return error;
 	}
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 5c28d08f18f..8dffac9f341 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3567,8 +3567,8 @@ static long st_ioctl(struct file *file, unsigned int cmd_in, unsigned long arg)
 			    !capable(CAP_SYS_RAWIO))
 				i = -EPERM;
 			else
-				i = scsi_cmd_ioctl(file, STp->disk->queue,
-						   STp->disk, cmd_in, p);
+				i = scsi_cmd_ioctl(STp->disk->queue, STp->disk,
+						   file->f_mode, cmd_in, p);
 			if (i != -ENOTTY)
 				return i;
 			break;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8945c30e993..48f41b991ad 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -717,8 +717,8 @@ extern void blk_plug_device(struct request_queue *);
 extern void blk_plug_device_unlocked(struct request_queue *);
 extern int blk_remove_plug(struct request_queue *);
 extern void blk_recount_segments(struct request_queue *, struct bio *);
-extern int scsi_cmd_ioctl(struct file *, struct request_queue *,
-			  struct gendisk *, unsigned int, void __user *);
+extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
+			  unsigned int, void __user *);
 extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
 			 struct scsi_ioctl_command __user *);
 
-- 
GitLab


From 1bddd9e6453ef1c7bc5b6f4ddbf7d31f4aee7a44 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 2 Sep 2008 17:19:43 -0400
Subject: [PATCH 1623/2224] [PATCH] lose the unused file argument in
 generic_ide_ioctl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/ide/ide-cd.c           | 2 +-
 drivers/ide/ide-disk_ioctl.c   | 2 +-
 drivers/ide/ide-floppy_ioctl.c | 2 +-
 drivers/ide/ide-ioctls.c       | 3 +--
 drivers/ide/ide-tape.c         | 2 +-
 drivers/scsi/ide-scsi.c        | 2 +-
 include/linux/ide.h            | 3 +--
 7 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 13265a8827d..cd21b34fe50 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -2174,7 +2174,7 @@ static int idecd_ioctl(struct inode *inode, struct file *file,
 		break;
 	}
 
-	err = generic_ide_ioctl(info->drive, file, bdev, cmd, arg);
+	err = generic_ide_ioctl(info->drive, bdev, cmd, arg);
 	if (err == -EINVAL)
 		err = cdrom_ioctl(file, &info->devinfo, inode, cmd, arg);
 
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index a49698bcf96..41832af400d 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -23,5 +23,5 @@ int ide_disk_ioctl(ide_drive_t *drive, struct inode *inode, struct file *file,
 	if (err != -EOPNOTSUPP)
 		return err;
 
-	return generic_ide_ioctl(drive, file, bdev, cmd, arg);
+	return generic_ide_ioctl(drive, bdev, cmd, arg);
 }
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 3c9da4ac934..5af70a2c9ef 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -284,7 +284,7 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
 				file ? file->f_mode : 0, cmd, argp);
 
 	if (err == -ENOTTY)
-		err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
+		err = generic_ide_ioctl(drive, bdev, cmd, arg);
 
 	return err;
 }
diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c
index a90945f4979..fcde16bb53a 100644
--- a/drivers/ide/ide-ioctls.c
+++ b/drivers/ide/ide-ioctls.c
@@ -240,8 +240,7 @@ static int generic_drive_reset(ide_drive_t *drive)
 	return ret;
 }
 
-int generic_ide_ioctl(ide_drive_t *drive, struct file *file,
-		      struct block_device *bdev,
+int generic_ide_ioctl(ide_drive_t *drive, struct block_device *bdev,
 		      unsigned int cmd, unsigned long arg)
 {
 	int err;
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index b2b2e5e8d38..2b263281ffe 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2368,7 +2368,7 @@ static int idetape_ioctl(struct inode *inode, struct file *file,
 	struct block_device *bdev = inode->i_bdev;
 	struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj);
 	ide_drive_t *drive = tape->drive;
-	int err = generic_ide_ioctl(drive, file, bdev, cmd, arg);
+	int err = generic_ide_ioctl(drive, bdev, cmd, arg);
 	if (err == -EINVAL)
 		err = idetape_blkdev_ioctl(drive, cmd, arg);
 	return err;
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index afc96e844a2..5bcc04e82c2 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -478,7 +478,7 @@ static int idescsi_ide_ioctl(struct inode *inode, struct file *file,
 {
 	struct block_device *bdev = inode->i_bdev;
 	struct ide_scsi_obj *scsi = ide_scsi_g(bdev->bd_disk);
-	return generic_ide_ioctl(scsi->drive, file, bdev, cmd, arg);
+	return generic_ide_ioctl(scsi->drive, bdev, cmd, arg);
 }
 
 static struct block_device_operations idescsi_ops = {
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 89e53cfbc78..0d03e83f719 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1158,8 +1158,7 @@ struct ide_ioctl_devset {
 int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int,
 		      unsigned long, const struct ide_ioctl_devset *);
 
-int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *,
-		      unsigned, unsigned long);
+int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned long);
 
 extern int ide_vlb_clk;
 extern int ide_pci_clk;
-- 
GitLab


From 647b3d0084158c47b1aea8f34d13cab9cd0a5b49 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 28 Aug 2007 22:15:59 -0400
Subject: [PATCH 1624/2224] [PATCH] lose unused arguments in dm ioctl callbacks

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/md/dm-linear.c        | 3 +--
 drivers/md/dm-mpath.c         | 3 +--
 drivers/md/dm.c               | 2 +-
 include/linux/device-mapper.h | 3 +--
 4 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 6449bcdf84c..fa358385eed 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -110,8 +110,7 @@ static int linear_status(struct dm_target *ti, status_type_t type,
 	return 0;
 }
 
-static int linear_ioctl(struct dm_target *ti, struct inode *inode,
-			struct file *filp, unsigned int cmd,
+static int linear_ioctl(struct dm_target *ti, unsigned int cmd,
 			unsigned long arg)
 {
 	struct linear_c *lc = (struct linear_c *) ti->private;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 9bf3460c554..c681d5e5f45 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1395,8 +1395,7 @@ error:
 	return -EINVAL;
 }
 
-static int multipath_ioctl(struct dm_target *ti, struct inode *inode,
-			   struct file *filp, unsigned int cmd,
+static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
 			   unsigned long arg)
 {
 	struct multipath *m = (struct multipath *) ti->private;
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 327de03a5bd..5f0f4c8bcd3 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -345,7 +345,7 @@ static int dm_blk_ioctl(struct inode *inode, struct file *file,
 	}
 
 	if (tgt->type->ioctl)
-		r = tgt->type->ioctl(tgt, inode, file, cmd, arg);
+		r = tgt->type->ioctl(tgt, cmd, arg);
 
 out:
 	dm_table_put(map);
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 3f8d4e76367..a567bbc5293 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -69,8 +69,7 @@ typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type,
 
 typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv);
 
-typedef int (*dm_ioctl_fn) (struct dm_target *ti, struct inode *inode,
-			    struct file *filp, unsigned int cmd,
+typedef int (*dm_ioctl_fn) (struct dm_target *ti, unsigned int cmd,
 			    unsigned long arg);
 
 typedef int (*dm_merge_fn) (struct dm_target *ti, struct bvec_merge_data *bvm,
-- 
GitLab


From 08f85851215100d0eebf026810955ee6ad456c38 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 8 Oct 2007 13:26:20 -0400
Subject: [PATCH 1625/2224] [PATCH] move block_device_operations to blkdev.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext2/xip.c          |  1 +
 include/linux/blkdev.h | 17 +++++++++++++++++
 include/linux/fs.h     | 15 +--------------
 3 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/fs/ext2/xip.c b/fs/ext2/xip.c
index 4fb94c20041..b72b8588422 100644
--- a/fs/ext2/xip.c
+++ b/fs/ext2/xip.c
@@ -11,6 +11,7 @@
 #include <linux/buffer_head.h>
 #include <linux/ext2_fs_sb.h>
 #include <linux/ext2_fs.h>
+#include <linux/blkdev.h>
 #include "ext2.h"
 #include "xip.h"
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 48f41b991ad..48ec8862a11 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1057,6 +1057,23 @@ static inline int blk_integrity_rq(struct request *rq)
 
 #endif /* CONFIG_BLK_DEV_INTEGRITY */
 
+struct file;
+struct inode;
+
+struct block_device_operations {
+	int (*open) (struct inode *, struct file *);
+	int (*release) (struct inode *, struct file *);
+	int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
+	long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
+	long (*compat_ioctl) (struct file *, unsigned, unsigned long);
+	int (*direct_access) (struct block_device *, sector_t,
+						void **, unsigned long *);
+	int (*media_changed) (struct gendisk *);
+	int (*revalidate_disk) (struct gendisk *);
+	int (*getgeo)(struct block_device *, struct hd_geometry *);
+	struct module *owner;
+};
+
 #else /* CONFIG_BLOCK */
 /*
  * stubs for when the block layer is configured out
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 5ab5579a516..58bbf689fef 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1270,20 +1270,7 @@ int generic_osync_inode(struct inode *, struct address_space *, int);
  * to have different dirent layouts depending on the binary type.
  */
 typedef int (*filldir_t)(void *, const char *, int, loff_t, u64, unsigned);
-
-struct block_device_operations {
-	int (*open) (struct inode *, struct file *);
-	int (*release) (struct inode *, struct file *);
-	int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
-	long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
-	long (*compat_ioctl) (struct file *, unsigned, unsigned long);
-	int (*direct_access) (struct block_device *, sector_t,
-						void **, unsigned long *);
-	int (*media_changed) (struct gendisk *);
-	int (*revalidate_disk) (struct gendisk *);
-	int (*getgeo)(struct block_device *, struct hd_geometry *);
-	struct module *owner;
-};
+struct block_device_operations;
 
 /* These macros are for out of kernel modules to test that
  * the kernel supports the unlocked_ioctl and compat_ioctl
-- 
GitLab


From bbc1cc978404105da23d505163ce9fd5598ed5b1 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 7 Oct 2007 17:54:28 -0400
Subject: [PATCH 1626/2224] [PATCH] switch cdrom_{open,release,ioctl} to sane
 APIs

... convert to it in callers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/paride/pcd.c |  8 +++++---
 drivers/cdrom/cdrom.c      | 23 +++++++++++------------
 drivers/cdrom/gdrom.c      |  7 ++++---
 drivers/cdrom/viocd.c      |  8 +++++---
 drivers/ide/ide-cd.c       |  7 ++++---
 drivers/scsi/sr.c          | 11 ++++-------
 include/linux/cdrom.h      | 10 +++++-----
 7 files changed, 38 insertions(+), 36 deletions(-)

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index b8a994a2b01..8bd557e2a65 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -226,20 +226,22 @@ static int pcd_warned;		/* Have we logged a phase warning ? */
 static int pcd_block_open(struct inode *inode, struct file *file)
 {
 	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_open(&cd->info, inode, file);
+	return cdrom_open(&cd->info, inode->i_bdev, file->f_mode);
 }
 
 static int pcd_block_release(struct inode *inode, struct file *file)
 {
 	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_release(&cd->info, file);
+	cdrom_release(&cd->info, file ? file->f_mode : 0);
+	return 0;
 }
 
 static int pcd_block_ioctl(struct inode *inode, struct file *file,
 				unsigned cmd, unsigned long arg)
 {
 	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_ioctl(file, &cd->info, inode, cmd, arg);
+	return cdrom_ioctl(&cd->info, inode->i_bdev,
+			   file ? file->f_mode : 0, cmd, arg);
 }
 
 static int pcd_block_media_changed(struct gendisk *disk)
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index e286eb5d1f6..d16b02423d6 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -973,7 +973,7 @@ static int cdrom_close_write(struct cdrom_device_info *cdi)
  * is in their own interest: device control becomes a lot easier
  * this way.
  */
-int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
+int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev, fmode_t mode)
 {
 	int ret;
 
@@ -982,14 +982,14 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
 	/* if this was a O_NONBLOCK open and we should honor the flags,
 	 * do a quick open without drive/disc integrity checks. */
 	cdi->use_count++;
-	if ((fp->f_mode & FMODE_NDELAY) && (cdi->options & CDO_USE_FFLAGS)) {
+	if ((mode & FMODE_NDELAY) && (cdi->options & CDO_USE_FFLAGS)) {
 		ret = cdi->ops->open(cdi, 1);
 	} else {
 		ret = open_for_data(cdi);
 		if (ret)
 			goto err;
 		cdrom_mmc3_profile(cdi);
-		if (fp->f_mode & FMODE_WRITE) {
+		if (mode & FMODE_WRITE) {
 			ret = -EROFS;
 			if (cdrom_open_write(cdi))
 				goto err_release;
@@ -1007,7 +1007,7 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp)
 			cdi->name, cdi->use_count);
 	/* Do this on open.  Don't wait for mount, because they might
 	    not be mounting, but opening with O_NONBLOCK */
-	check_disk_change(ip->i_bdev);
+	check_disk_change(bdev);
 	return 0;
 err_release:
 	if (CDROM_CAN(CDC_LOCK) && cdi->options & CDO_LOCK) {
@@ -1184,7 +1184,7 @@ static int check_for_audio_disc(struct cdrom_device_info * cdi,
 	return 0;
 }
 
-int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
+void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode)
 {
 	struct cdrom_device_ops *cdo = cdi->ops;
 	int opened_for_data;
@@ -1205,7 +1205,7 @@ int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
 	}
 
 	opened_for_data = !(cdi->options & CDO_USE_FFLAGS) ||
-		!(fp && fp->f_mode & FMODE_NDELAY);
+		!(mode & FMODE_NDELAY);
 
 	/*
 	 * flush cache on last write release
@@ -1219,7 +1219,6 @@ int cdrom_release(struct cdrom_device_info *cdi, struct file *fp)
 		    cdi->options & CDO_AUTO_EJECT && CDROM_CAN(CDC_OPEN_TRAY))
 			cdo->tray_move(cdi, 1);
 	}
-	return 0;
 }
 
 static int cdrom_read_mech_status(struct cdrom_device_info *cdi, 
@@ -2662,17 +2661,17 @@ static int cdrom_ioctl_audioctl(struct cdrom_device_info *cdi,
  * these days.
  * ATAPI / SCSI specific code now mainly resides in mmc_ioctl().
  */
-int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi,
-		struct inode *ip, unsigned int cmd, unsigned long arg)
+int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
+		fmode_t mode, unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
 	int ret;
-	struct gendisk *disk = ip->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 
 	/*
 	 * Try the generic SCSI command ioctl's first.
 	 */
-	ret = scsi_cmd_ioctl(disk->queue, disk, file ? file->f_mode : 0, cmd, argp);
+	ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
 	if (ret != -ENOTTY)
 		return ret;
 
@@ -2696,7 +2695,7 @@ int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi,
 	case CDROM_SELECT_DISC:
 		return cdrom_ioctl_select_disc(cdi, arg);
 	case CDROMRESET:
-		return cdrom_ioctl_reset(cdi, ip->i_bdev);
+		return cdrom_ioctl_reset(cdi, bdev);
 	case CDROM_LOCKDOOR:
 		return cdrom_ioctl_lock_door(cdi, arg);
 	case CDROM_DEBUG:
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index d6ba77a2dd7..0959edf2afd 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -492,12 +492,12 @@ static struct cdrom_device_ops gdrom_ops = {
 
 static int gdrom_bdops_open(struct inode *inode, struct file *file)
 {
-	return cdrom_open(gd.cd_info, inode, file);
+	return cdrom_open(gd.cd_info, inode->i_bdev, file->f_mode);
 }
 
 static int gdrom_bdops_release(struct inode *inode, struct file *file)
 {
-	return cdrom_release(gd.cd_info, file);
+	return cdrom_release(gd.cd_info, file ? file->f_mode : 0);
 }
 
 static int gdrom_bdops_mediachanged(struct gendisk *disk)
@@ -508,7 +508,8 @@ static int gdrom_bdops_mediachanged(struct gendisk *disk)
 static int gdrom_bdops_ioctl(struct inode *inode, struct file *file,
 	unsigned cmd, unsigned long arg)
 {
-	return cdrom_ioctl(file, gd.cd_info, inode, cmd, arg);
+	return cdrom_ioctl(gd.cd_info, inode->i_bdev,
+			file ? file->f_mode : 0, cmd, arg);
 }
 
 static struct block_device_operations gdrom_bdops = {
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 031e0e1a1a3..abc4079c3f4 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -154,20 +154,22 @@ static const struct file_operations proc_viocd_operations = {
 static int viocd_blk_open(struct inode *inode, struct file *file)
 {
 	struct disk_info *di = inode->i_bdev->bd_disk->private_data;
-	return cdrom_open(&di->viocd_info, inode, file);
+	return cdrom_open(&di->viocd_info, inode->i_bdev, file->f_mode);
 }
 
 static int viocd_blk_release(struct inode *inode, struct file *file)
 {
 	struct disk_info *di = inode->i_bdev->bd_disk->private_data;
-	return cdrom_release(&di->viocd_info, file);
+	cdrom_release(&di->viocd_info, file ? file->f_mode : 0);
+	return 0;
 }
 
 static int viocd_blk_ioctl(struct inode *inode, struct file *file,
 		unsigned cmd, unsigned long arg)
 {
 	struct disk_info *di = inode->i_bdev->bd_disk->private_data;
-	return cdrom_ioctl(file, &di->viocd_info, inode, cmd, arg);
+	return cdrom_ioctl(&di->viocd_info, inode->i_bdev,
+			   file ? file->f_mode : 0, cmd, arg);
 }
 
 static int viocd_blk_media_changed(struct gendisk *disk)
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index cd21b34fe50..87d90200b16 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -2099,7 +2099,7 @@ static int idecd_open(struct inode *inode, struct file *file)
 	if (!info)
 		return -ENXIO;
 
-	rc = cdrom_open(&info->devinfo, inode, file);
+	rc = cdrom_open(&info->devinfo, inode->i_bdev, file->f_mode);
 
 	if (rc < 0)
 		ide_cd_put(info);
@@ -2112,7 +2112,7 @@ static int idecd_release(struct inode *inode, struct file *file)
 	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
 
-	cdrom_release(&info->devinfo, file);
+	cdrom_release(&info->devinfo, file ? file->f_mode : 0);
 
 	ide_cd_put(info);
 
@@ -2176,7 +2176,8 @@ static int idecd_ioctl(struct inode *inode, struct file *file,
 
 	err = generic_ide_ioctl(info->drive, bdev, cmd, arg);
 	if (err == -EINVAL)
-		err = cdrom_ioctl(file, &info->devinfo, inode, cmd, arg);
+		err = cdrom_ioctl(&info->devinfo, bdev,
+				  file ? file->f_mode : 0, cmd, arg);
 
 	return err;
 }
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 0f17009c99d..b92e2dac9aa 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -480,7 +480,7 @@ static int sr_block_open(struct inode *inode, struct file *file)
 	if(!(cd = scsi_cd_get(disk)))
 		return -ENXIO;
 
-	if((ret = cdrom_open(&cd->cdi, inode, file)) != 0)
+	if((ret = cdrom_open(&cd->cdi, inode->i_bdev, file->f_mode)) != 0)
 		scsi_cd_put(cd);
 
 	return ret;
@@ -488,12 +488,8 @@ static int sr_block_open(struct inode *inode, struct file *file)
 
 static int sr_block_release(struct inode *inode, struct file *file)
 {
-	int ret;
 	struct scsi_cd *cd = scsi_cd(inode->i_bdev->bd_disk);
-	ret = cdrom_release(&cd->cdi, file);
-	if(ret)
-		return ret;
-	
+	cdrom_release(&cd->cdi, file ? file->f_mode : 0);
 	scsi_cd_put(cd);
 
 	return 0;
@@ -517,7 +513,8 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 		return scsi_ioctl(sdev, cmd, argp);
 	}
 
-	ret = cdrom_ioctl(file, &cd->cdi, inode, cmd, arg);
+	ret = cdrom_ioctl(&cd->cdi, inode->i_bdev,
+			  file ? file->f_mode : 0, cmd, arg);
 	if (ret != -ENOSYS)
 		return ret;
 
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index 5db265ea60f..0b49e08d3cb 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -987,11 +987,11 @@ struct cdrom_device_ops {
 };
 
 /* the general block_device operations structure: */
-extern int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip,
-			struct file *fp);
-extern int cdrom_release(struct cdrom_device_info *cdi, struct file *fp);
-extern int cdrom_ioctl(struct file *file, struct cdrom_device_info *cdi,
-		struct inode *ip, unsigned int cmd, unsigned long arg);
+extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev,
+			fmode_t mode);
+extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode);
+extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
+		       fmode_t mode, unsigned int cmd, unsigned long arg);
 extern int cdrom_media_changed(struct cdrom_device_info *);
 
 extern int register_cdrom(struct cdrom_device_info *cdi);
-- 
GitLab


From a0eb62a0a4470fef5a5f41e7f1442fdd667220ef Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 29 Aug 2007 00:56:32 -0400
Subject: [PATCH 1627/2224] [PATCH] switch pktcdvd to blkdev_driver_ioctl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/pktcdvd.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 4d581e8ba9f..bdd49abcb54 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2803,6 +2803,14 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
 	VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, imajor(inode), iminor(inode));
 
 	switch (cmd) {
+	case CDROMEJECT:
+		/*
+		 * The door gets locked when the device is opened, so we
+		 * have to unlock it or else the eject command fails.
+		 */
+		if (pd->refcnt == 1)
+			pkt_lock_door(pd, 0);
+		/* fallthru */
 	/*
 	 * forward selected CDROM ioctls to CD-ROM, for UDF
 	 */
@@ -2811,16 +2819,8 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
 	case CDROM_LAST_WRITTEN:
 	case CDROM_SEND_PACKET:
 	case SCSI_IOCTL_SEND_COMMAND:
-		return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
-
-	case CDROMEJECT:
-		/*
-		 * The door gets locked when the device is opened, so we
-		 * have to unlock it or else the eject command fails.
-		 */
-		if (pd->refcnt == 1)
-			pkt_lock_door(pd, 0);
-		return blkdev_ioctl(pd->bdev->bd_inode, file, cmd, arg);
+		return blkdev_driver_ioctl(pd->bdev->bd_inode, pd->bdev->bd_disk,
+					file, cmd, arg);
 
 	default:
 		VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
-- 
GitLab


From 633a08b81206122469365b4c72eaeb71f04f2cb4 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 29 Aug 2007 20:34:12 -0400
Subject: [PATCH 1628/2224] [PATCH] introduce __blkdev_driver_ioctl()

Analog of blkdev_driver_ioctl() with sane arguments.  For
now uses fake struct file, by the end of the series it won't
and blkdev_driver_ioctl() will become a wrapper around it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/ioctl.c           | 31 +++++++++++++++++++++++++++++++
 drivers/block/pktcdvd.c |  4 ++--
 drivers/md/dm-linear.c  | 10 +---------
 drivers/md/dm-mpath.c   | 11 +++--------
 include/linux/blkdev.h  |  2 ++
 5 files changed, 39 insertions(+), 19 deletions(-)

diff --git a/block/ioctl.c b/block/ioctl.c
index 38bee321e1f..9a26ace6d04 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -283,6 +283,37 @@ int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 }
 EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
 
+int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
+			unsigned cmd, unsigned long arg)
+{
+	struct gendisk *disk = bdev->bd_disk;
+	int ret;
+	/* you bet it'll go away by the end of patch series */
+	struct file fake_file = {};
+	struct dentry fake_dentry = {};
+	fake_file.f_mode = mode;
+	fake_file.f_path.dentry = &fake_dentry;
+	fake_dentry.d_inode = bdev->bd_inode;
+
+	if (disk->fops->unlocked_ioctl)
+		return disk->fops->unlocked_ioctl(&fake_file, cmd, arg);
+
+	if (disk->fops->ioctl) {
+		lock_kernel();
+		ret = disk->fops->ioctl(bdev->bd_inode, &fake_file, cmd, arg);
+		unlock_kernel();
+		return ret;
+	}
+
+	return -ENOTTY;
+}
+/*
+ * For the record: _GPL here is only because somebody decided to slap it
+ * on the previous export.  Sheer idiocy, since it wasn't copyrightable
+ * at all and could be open-coded without any exports by anybody who cares.
+ */
+EXPORT_SYMBOL_GPL(__blkdev_driver_ioctl);
+
 /*
  * always keep this in sync with compat_blkdev_ioctl() and
  * compat_blkdev_locked_ioctl()
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index bdd49abcb54..a0ba4023953 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2819,8 +2819,8 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
 	case CDROM_LAST_WRITTEN:
 	case CDROM_SEND_PACKET:
 	case SCSI_IOCTL_SEND_COMMAND:
-		return blkdev_driver_ioctl(pd->bdev->bd_inode, pd->bdev->bd_disk,
-					file, cmd, arg);
+		return __blkdev_driver_ioctl(pd->bdev, file ? file->f_mode : 0,
+					cmd, arg);
 
 	default:
 		VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index fa358385eed..373442b1e98 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -114,15 +114,7 @@ static int linear_ioctl(struct dm_target *ti, unsigned int cmd,
 			unsigned long arg)
 {
 	struct linear_c *lc = (struct linear_c *) ti->private;
-	struct block_device *bdev = lc->dev->bdev;
-	struct file fake_file = {};
-	struct dentry fake_dentry = {};
-
-	fake_file.f_mode = lc->dev->mode;
-	fake_file.f_path.dentry = &fake_dentry;
-	fake_dentry.d_inode = bdev->bd_inode;
-
-	return blkdev_driver_ioctl(bdev->bd_inode, &fake_file, bdev->bd_disk, cmd, arg);
+	return __blkdev_driver_ioctl(lc->dev->bdev, lc->dev->mode, cmd, arg);
 }
 
 static int linear_merge(struct dm_target *ti, struct bvec_merge_data *bvm,
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index c681d5e5f45..d85c65a4643 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1400,13 +1400,10 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
 {
 	struct multipath *m = (struct multipath *) ti->private;
 	struct block_device *bdev = NULL;
+	fmode_t mode = 0;
 	unsigned long flags;
-	struct file fake_file = {};
-	struct dentry fake_dentry = {};
 	int r = 0;
 
-	fake_file.f_path.dentry = &fake_dentry;
-
 	spin_lock_irqsave(&m->lock, flags);
 
 	if (!m->current_pgpath)
@@ -1414,8 +1411,7 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
 
 	if (m->current_pgpath) {
 		bdev = m->current_pgpath->path.dev->bdev;
-		fake_dentry.d_inode = bdev->bd_inode;
-		fake_file.f_mode = m->current_pgpath->path.dev->mode;
+		mode = m->current_pgpath->path.dev->mode;
 	}
 
 	if (m->queue_io)
@@ -1425,8 +1421,7 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd,
 
 	spin_unlock_irqrestore(&m->lock, flags);
 
-	return r ? : blkdev_driver_ioctl(bdev->bd_inode, &fake_file,
-					 bdev->bd_disk, cmd, arg);
+	return r ? : __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 }
 
 /*-----------------------------------------------------------------
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 48ec8862a11..2bad616b994 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1074,6 +1074,8 @@ struct block_device_operations {
 	struct module *owner;
 };
 
+extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int,
+				 unsigned long);
 #else /* CONFIG_BLOCK */
 /*
  * stubs for when the block layer is configured out
-- 
GitLab


From 83ff6fe8580a7c834dba4389d742332fff9b9929 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 08:15:49 -0500
Subject: [PATCH 1629/2224] [PATCH] don't mess with file in
 scsi_nonblockable_ioctl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/scsi/scsi_ioctl.c | 4 ++--
 drivers/scsi/sd.c         | 3 ++-
 drivers/scsi/sr.c         | 3 ++-
 drivers/scsi/st.c         | 3 ++-
 include/scsi/scsi_ioctl.h | 2 +-
 5 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 1f08f5a2f8f..dc1cfb2fd76 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -277,14 +277,14 @@ EXPORT_SYMBOL(scsi_ioctl);
  * @filp: either NULL or a &struct file which must have the O_NONBLOCK flag.
  */
 int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
-			    void __user *arg, struct file *filp)
+			    void __user *arg, int ndelay)
 {
 	int val, result;
 
 	/* The first set of iocts may be executed even if we're doing
 	 * error processing, as long as the device was opened
 	 * non-blocking */
-	if (filp && (filp->f_flags & O_NONBLOCK)) {
+	if (ndelay) {
 		if (scsi_host_in_recovery(sdev->host))
 			return -ENODEV;
 	} else if (!scsi_block_when_processing_errors(sdev))
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 5d74413f591..5a18528a69d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -761,7 +761,8 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
 	 * may try and take the device offline, in which case all further
 	 * access to the device is prohibited.
 	 */
-	error = scsi_nonblockable_ioctl(sdp, cmd, p, filp);
+	error = scsi_nonblockable_ioctl(sdp, cmd, p,
+					filp ? filp->f_flags & O_NDELAY : 0);
 	if (!scsi_block_when_processing_errors(sdp) || !error)
 		return error;
 
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index b92e2dac9aa..2fb8d4d2d6f 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -524,7 +524,8 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 	 * case fall through to scsi_ioctl, which will return ENDOEV again
 	 * if it doesn't recognise the ioctl
 	 */
-	ret = scsi_nonblockable_ioctl(sdev, cmd, argp, NULL);
+	ret = scsi_nonblockable_ioctl(sdev, cmd, argp,
+					file ? file->f_flags & O_NDELAY : 0);
 	if (ret != -ENODEV)
 		return ret;
 	return scsi_ioctl(sdev, cmd, argp);
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 8dffac9f341..c959bdc55f4 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3263,7 +3263,8 @@ static long st_ioctl(struct file *file, unsigned int cmd_in, unsigned long arg)
 	 * may try and take the device offline, in which case all further
 	 * access to the device is prohibited.
 	 */
-	retval = scsi_nonblockable_ioctl(STp->device, cmd_in, p, file);
+	retval = scsi_nonblockable_ioctl(STp->device, cmd_in, p,
+					file->f_flags & O_NDELAY);
 	if (!scsi_block_when_processing_errors(STp->device) || retval != -ENODEV)
 		goto out;
 	retval = 0;
diff --git a/include/scsi/scsi_ioctl.h b/include/scsi/scsi_ioctl.h
index edb9525386d..b9006848b81 100644
--- a/include/scsi/scsi_ioctl.h
+++ b/include/scsi/scsi_ioctl.h
@@ -42,7 +42,7 @@ typedef struct scsi_fctargaddress {
 
 extern int scsi_ioctl(struct scsi_device *, int, void __user *);
 extern int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
-				   void __user *arg, struct file *filp);
+				   void __user *arg, int ndelay);
 
 #endif /* __KERNEL__ */
 #endif /* _SCSI_IOCTL_H */
-- 
GitLab


From badf8082c33d18b118d3a6f1b32d5ea6b97d3839 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 16 Oct 2008 10:23:20 -0400
Subject: [PATCH 1630/2224] [PATCH] switch ide_disk_ops ->ioctl() to sane
 prototype

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/ide/ide-disk.h         |  2 +-
 drivers/ide/ide-disk_ioctl.c   |  3 +--
 drivers/ide/ide-floppy.h       |  4 ++--
 drivers/ide/ide-floppy_ioctl.c | 13 ++++++-------
 drivers/ide/ide-gd.c           |  2 +-
 include/linux/ide.h            |  4 ++--
 6 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h
index b234b0feaf7..d511dab7c4a 100644
--- a/drivers/ide/ide-disk.h
+++ b/drivers/ide/ide-disk.h
@@ -13,7 +13,7 @@ ide_decl_devset(wcache);
 ide_decl_devset(acoustic);
 
 /* ide-disk_ioctl.c */
-int ide_disk_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
+int ide_disk_ioctl(ide_drive_t *, struct block_device *, fmode_t, unsigned int,
 		   unsigned long);
 
 #ifdef CONFIG_IDE_PROC_FS
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c
index 41832af400d..7b783dd7c0b 100644
--- a/drivers/ide/ide-disk_ioctl.c
+++ b/drivers/ide/ide-disk_ioctl.c
@@ -13,10 +13,9 @@ static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
 { 0 }
 };
 
-int ide_disk_ioctl(ide_drive_t *drive, struct inode *inode, struct file *file,
+int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,
 		   unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	int err;
 
 	err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h
index c17124dd607..6dd2beb4843 100644
--- a/drivers/ide/ide-floppy.h
+++ b/drivers/ide/ide-floppy.h
@@ -23,8 +23,8 @@ void ide_floppy_create_mode_sense_cmd(struct ide_atapi_pc *, u8);
 void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *);
 
 /* ide-floppy_ioctl.c */
-int ide_floppy_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int,
-		     unsigned long);
+int ide_floppy_ioctl(ide_drive_t *, struct block_device *, fmode_t,
+		     unsigned int, unsigned long);
 
 #ifdef CONFIG_IDE_PROC_FS
 /* ide-floppy_proc.c */
diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c
index 5af70a2c9ef..2bc51ff73fe 100644
--- a/drivers/ide/ide-floppy_ioctl.c
+++ b/drivers/ide/ide-floppy_ioctl.c
@@ -241,7 +241,7 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc,
 	return 0;
 }
 
-static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
+static int ide_floppy_format_ioctl(ide_drive_t *drive, fmode_t mode,
 				   unsigned int cmd, void __user *argp)
 {
 	switch (cmd) {
@@ -250,7 +250,7 @@ static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
 	case IDEFLOPPY_IOCTL_FORMAT_GET_CAPACITY:
 		return ide_floppy_get_format_capacities(drive, argp);
 	case IDEFLOPPY_IOCTL_FORMAT_START:
-		if (!(file->f_mode & FMODE_WRITE))
+		if (!(mode & FMODE_WRITE))
 			return -EPERM;
 		return ide_floppy_format_unit(drive, (int __user *)argp);
 	case IDEFLOPPY_IOCTL_FORMAT_GET_PROGRESS:
@@ -260,10 +260,9 @@ static int ide_floppy_format_ioctl(ide_drive_t *drive, struct file *file,
 	}
 }
 
-int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
-		     struct file *file, unsigned int cmd, unsigned long arg)
+int ide_floppy_ioctl(ide_drive_t *drive, struct block_device *bdev,
+		     fmode_t mode, unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct ide_atapi_pc pc;
 	void __user *argp = (void __user *)arg;
 	int err;
@@ -271,7 +270,7 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
 	if (cmd == CDROMEJECT || cmd == CDROM_LOCKDOOR)
 		return ide_floppy_lockdoor(drive, &pc, arg, cmd);
 
-	err = ide_floppy_format_ioctl(drive, file, cmd, argp);
+	err = ide_floppy_format_ioctl(drive, mode, cmd, argp);
 	if (err != -ENOTTY)
 		return err;
 
@@ -281,7 +280,7 @@ int ide_floppy_ioctl(ide_drive_t *drive, struct inode *inode,
 	 */
 	if (cmd != CDROM_SEND_PACKET && cmd != SCSI_IOCTL_SEND_COMMAND)
 		err = scsi_cmd_ioctl(bdev->bd_disk->queue, bdev->bd_disk,
-				file ? file->f_mode : 0, cmd, argp);
+				mode, cmd, argp);
 
 	if (err == -ENOTTY)
 		err = generic_ide_ioctl(drive, bdev, cmd, arg);
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 66bbb0a22f5..948af08abe2 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -293,7 +293,7 @@ static int ide_gd_ioctl(struct inode *inode, struct file *file,
 	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 
-	return drive->disk_ops->ioctl(drive, inode, file, cmd, arg);
+	return drive->disk_ops->ioctl(drive, bdev, file ? file->f_mode : 0, cmd, arg);
 }
 
 static struct block_device_operations ide_gd_ops = {
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 0d03e83f719..54525be4b5f 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -474,8 +474,8 @@ struct ide_disk_ops {
 	ide_startstop_t	(*do_request)(struct ide_drive_s *, struct request *,
 				      sector_t);
 	int		(*end_request)(struct ide_drive_s *, int, int);
-	int		(*ioctl)(struct ide_drive_s *, struct inode *,
-				 struct file *, unsigned int, unsigned long);
+	int		(*ioctl)(struct ide_drive_s *, struct block_device *,
+				 fmode_t, unsigned int, unsigned long);
 };
 
 /* ATAPI device flags */
-- 
GitLab


From d4430d62fa77208824a37fe6f85ab2831d274769 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:09:22 -0500
Subject: [PATCH 1631/2224] [PATCH] beginning of methods conversion

To keep the size of changesets sane we split the switch by drivers;
to keep the damn thing bisectable we do the following:
	1) rename the affected methods, add ones with correct
prototypes, make (few) callers handle both.  That's this changeset.
	2) for each driver convert to new methods.  *ALL* drivers
are converted in this series.
	3) kill the old (renamed) methods.

Note that it _is_ a flagday; all in-tree drivers are converted and by the
end of this series no trace of old methods remain.  The only reason why
we do that this way is to keep the damn thing bisectable and allow per-driver
debugging if anything goes wrong.

New methods:
	open(bdev, mode)
	release(disk, mode)
	ioctl(bdev, mode, cmd, arg)		/* Called without BKL */
	compat_ioctl(bdev, mode, cmd, arg)
	locked_ioctl(bdev, mode, cmd, arg)	/* Called with BKL, legacy */

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/um/drivers/ubd_kern.c          |  6 ++---
 block/compat_ioctl.c                | 17 +++++++-------
 block/ioctl.c                       | 35 +++++++++++++++++++++--------
 drivers/block/DAC960.c              |  2 +-
 drivers/block/amiflop.c             |  6 ++---
 drivers/block/aoe/aoeblk.c          |  4 ++--
 drivers/block/ataflop.c             |  6 ++---
 drivers/block/brd.c                 |  2 +-
 drivers/block/cciss.c               |  8 +++----
 drivers/block/cpqarray.c            |  6 ++---
 drivers/block/floppy.c              |  6 ++---
 drivers/block/loop.c                |  8 +++----
 drivers/block/nbd.c                 |  2 +-
 drivers/block/paride/pcd.c          |  6 ++---
 drivers/block/paride/pd.c           |  6 ++---
 drivers/block/paride/pf.c           |  6 ++---
 drivers/block/pktcdvd.c             |  6 ++---
 drivers/block/swim3.c               |  6 ++---
 drivers/block/ub.c                  |  6 ++---
 drivers/block/viodasd.c             |  4 ++--
 drivers/block/virtio_blk.c          |  2 +-
 drivers/block/xd.c                  |  2 +-
 drivers/block/xen-blkfront.c        |  4 ++--
 drivers/block/xsysace.c             |  4 ++--
 drivers/block/z2ram.c               |  4 ++--
 drivers/cdrom/gdrom.c               |  6 ++---
 drivers/cdrom/viocd.c               |  6 ++---
 drivers/ide/ide-cd.c                |  6 ++---
 drivers/ide/ide-gd.c                |  6 ++---
 drivers/ide/ide-tape.c              |  6 ++---
 drivers/md/dm.c                     |  6 ++---
 drivers/md/md.c                     |  6 ++---
 drivers/memstick/core/mspro_block.c |  4 ++--
 drivers/message/i2o/i2o_block.c     |  6 ++---
 drivers/mmc/card/block.c            |  4 ++--
 drivers/mtd/mtd_blkdevs.c           |  6 ++---
 drivers/s390/block/dasd.c           |  8 +++----
 drivers/s390/block/dcssblk.c        |  4 ++--
 drivers/s390/char/tape_block.c      |  6 ++---
 drivers/scsi/ide-scsi.c             |  6 ++---
 drivers/scsi/sd.c                   |  8 +++----
 drivers/scsi/sr.c                   |  6 ++---
 fs/block_dev.c                      | 18 ++++++++++++---
 include/linux/blkdev.h              | 15 ++++++++-----
 include/linux/fs.h                  |  1 +
 45 files changed, 167 insertions(+), 131 deletions(-)

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index b58fb8941d8..72569cc3cbb 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -108,9 +108,9 @@ static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
 static struct block_device_operations ubd_blops = {
         .owner		= THIS_MODULE,
-        .open		= ubd_open,
-        .release	= ubd_release,
-        .ioctl		= ubd_ioctl,
+        .__open		= ubd_open,
+        .__release	= ubd_release,
+        .__ioctl		= ubd_ioctl,
 	.getgeo		= ubd_getgeo,
 };
 
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 1e559fba7bd..576c4fd1546 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -708,17 +708,17 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file,
 		return -ENOIOCTLCMD;
 	}
 
-	if (disk->fops->unlocked_ioctl)
-		return disk->fops->unlocked_ioctl(file, cmd, arg);
+	if (disk->fops->__unlocked_ioctl)
+		return disk->fops->__unlocked_ioctl(file, cmd, arg);
 
-	if (disk->fops->ioctl) {
+	if (disk->fops->__ioctl) {
 		lock_kernel();
-		ret = disk->fops->ioctl(inode, file, cmd, arg);
+		ret = disk->fops->__ioctl(inode, file, cmd, arg);
 		unlock_kernel();
 		return ret;
 	}
 
-	return -ENOTTY;
+	return __blkdev_driver_ioctl(inode->i_bdev, file->f_mode, cmd, arg);
 }
 
 static int compat_blkdev_locked_ioctl(struct inode *inode, struct file *file,
@@ -805,10 +805,11 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 
 	lock_kernel();
 	ret = compat_blkdev_locked_ioctl(inode, file, bdev, cmd, arg);
-	/* FIXME: why do we assume -> compat_ioctl needs the BKL? */
-	if (ret == -ENOIOCTLCMD && disk->fops->compat_ioctl)
-		ret = disk->fops->compat_ioctl(file, cmd, arg);
+	if (ret == -ENOIOCTLCMD && disk->fops->__compat_ioctl)
+		ret = disk->fops->__compat_ioctl(file, cmd, arg);
 	unlock_kernel();
+	if (ret == -ENOIOCTLCMD && disk->fops->compat_ioctl)
+		ret = disk->fops->compat_ioctl(bdev, file->f_mode, cmd, arg);
 
 	if (ret != -ENOIOCTLCMD)
 		return ret;
diff --git a/block/ioctl.c b/block/ioctl.c
index 9a26ace6d04..01ff463bc80 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -269,17 +269,24 @@ int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 			struct gendisk *disk, unsigned cmd, unsigned long arg)
 {
 	int ret;
-	if (disk->fops->unlocked_ioctl)
-		return disk->fops->unlocked_ioctl(file, cmd, arg);
+	fmode_t mode = 0;
+	if (file) {
+		mode = file->f_mode;
+		if (file->f_flags & O_NDELAY)
+			mode |= FMODE_NDELAY_NOW;
+	}
+
+	if (disk->fops->__unlocked_ioctl)
+		return disk->fops->__unlocked_ioctl(file, cmd, arg);
 
-	if (disk->fops->ioctl) {
+	if (disk->fops->__ioctl) {
 		lock_kernel();
-		ret = disk->fops->ioctl(inode, file, cmd, arg);
+		ret = disk->fops->__ioctl(inode, file, cmd, arg);
 		unlock_kernel();
 		return ret;
 	}
 
-	return -ENOTTY;
+	return __blkdev_driver_ioctl(inode->i_bdev, mode, cmd, arg);
 }
 EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
 
@@ -295,12 +302,22 @@ int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 	fake_file.f_path.dentry = &fake_dentry;
 	fake_dentry.d_inode = bdev->bd_inode;
 
-	if (disk->fops->unlocked_ioctl)
-		return disk->fops->unlocked_ioctl(&fake_file, cmd, arg);
+	if (disk->fops->__unlocked_ioctl)
+		return disk->fops->__unlocked_ioctl(&fake_file, cmd, arg);
+
+	if (disk->fops->__ioctl) {
+		lock_kernel();
+		ret = disk->fops->__ioctl(bdev->bd_inode, &fake_file, cmd, arg);
+		unlock_kernel();
+		return ret;
+	}
+
+	if (disk->fops->ioctl)
+		return disk->fops->ioctl(bdev, mode, cmd, arg);
 
-	if (disk->fops->ioctl) {
+	if (disk->fops->locked_ioctl) {
 		lock_kernel();
-		ret = disk->fops->ioctl(bdev->bd_inode, &fake_file, cmd, arg);
+		ret = disk->fops->locked_ioctl(bdev, mode, cmd, arg);
 		unlock_kernel();
 		return ret;
 	}
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index a002a381df9..4b90ebfa667 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -153,7 +153,7 @@ static int DAC960_revalidate_disk(struct gendisk *disk)
 
 static struct block_device_operations DAC960_BlockDeviceOperations = {
 	.owner			= THIS_MODULE,
-	.open			= DAC960_open,
+	.__open			= DAC960_open,
 	.getgeo			= DAC960_getgeo,
 	.media_changed		= DAC960_media_changed,
 	.revalidate_disk	= DAC960_revalidate_disk,
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index d19c5a939fe..d5da4e3cb2a 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1648,9 +1648,9 @@ static int amiga_floppy_change(struct gendisk *disk)
 
 static struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
-	.open		= floppy_open,
-	.release	= floppy_release,
-	.ioctl		= fd_ioctl,
+	.__open		= floppy_open,
+	.__release	= floppy_release,
+	.__ioctl		= fd_ioctl,
 	.getgeo		= fd_getgeo,
 	.media_changed	= amiga_floppy_change,
 };
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index d876ad86123..d4d9796d5dd 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -239,8 +239,8 @@ aoeblk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 }
 
 static struct block_device_operations aoe_bdops = {
-	.open = aoeblk_open,
-	.release = aoeblk_release,
+	.__open = aoeblk_open,
+	.__release = aoeblk_release,
 	.getgeo = aoeblk_getgeo,
 	.owner = THIS_MODULE,
 };
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 85d56a26f7c..30166774327 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1857,9 +1857,9 @@ static int floppy_release( struct inode * inode, struct file * filp )
 
 static struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
-	.open		= floppy_open,
-	.release	= floppy_release,
-	.ioctl		= fd_ioctl,
+	.__open		= floppy_open,
+	.__release	= floppy_release,
+	.__ioctl		= fd_ioctl,
 	.media_changed	= check_floppy_change,
 	.revalidate_disk= floppy_revalidate,
 };
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index d070d492e38..2ea99f94766 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -376,7 +376,7 @@ static int brd_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations brd_fops = {
 	.owner =		THIS_MODULE,
-	.ioctl =		brd_ioctl,
+	.__ioctl =		brd_ioctl,
 #ifdef CONFIG_BLK_DEV_XIP
 	.direct_access =	brd_direct_access,
 #endif
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index d9b1c15b811..781b745181d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -197,12 +197,12 @@ static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg);
 
 static struct block_device_operations cciss_fops = {
 	.owner = THIS_MODULE,
-	.open = cciss_open,
-	.release = cciss_release,
-	.ioctl = cciss_ioctl,
+	.__open = cciss_open,
+	.__release = cciss_release,
+	.__ioctl = cciss_ioctl,
 	.getgeo = cciss_getgeo,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl = cciss_compat_ioctl,
+	.__compat_ioctl = cciss_compat_ioctl,
 #endif
 	.revalidate_disk = cciss_revalidate,
 };
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 3d967525e9a..b71334b968b 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -195,9 +195,9 @@ static inline ctlr_info_t *get_host(struct gendisk *disk)
 
 static struct block_device_operations ida_fops  = {
 	.owner		= THIS_MODULE,
-	.open		= ida_open,
-	.release	= ida_release,
-	.ioctl		= ida_ioctl,
+	.__open		= ida_open,
+	.__release	= ida_release,
+	.__ioctl		= ida_ioctl,
 	.getgeo		= ida_getgeo,
 	.revalidate_disk= ida_revalidate,
 };
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 5d60c05a736..72363df5895 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3902,9 +3902,9 @@ static int floppy_revalidate(struct gendisk *disk)
 
 static struct block_device_operations floppy_fops = {
 	.owner			= THIS_MODULE,
-	.open			= floppy_open,
-	.release		= floppy_release,
-	.ioctl			= fd_ioctl,
+	.__open			= floppy_open,
+	.__release		= floppy_release,
+	.__ioctl			= fd_ioctl,
 	.getgeo			= fd_getgeo,
 	.media_changed		= check_floppy_change,
 	.revalidate_disk	= floppy_revalidate,
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d3a25b027ff..6faca2b7ae3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1355,11 +1355,11 @@ static int lo_release(struct inode *inode, struct file *file)
 
 static struct block_device_operations lo_fops = {
 	.owner =	THIS_MODULE,
-	.open =		lo_open,
-	.release =	lo_release,
-	.ioctl =	lo_ioctl,
+	.__open =		lo_open,
+	.__release =	lo_release,
+	.__ioctl =	lo_ioctl,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl =	lo_compat_ioctl,
+	.__compat_ioctl =	lo_compat_ioctl,
 #endif
 };
 
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 9034ca585af..36015e0945b 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -691,7 +691,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 static struct block_device_operations nbd_fops =
 {
 	.owner =	THIS_MODULE,
-	.ioctl =	nbd_ioctl,
+	.__ioctl =	nbd_ioctl,
 };
 
 /*
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 8bd557e2a65..6e6dcc1d432 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -252,9 +252,9 @@ static int pcd_block_media_changed(struct gendisk *disk)
 
 static struct block_device_operations pcd_bdops = {
 	.owner		= THIS_MODULE,
-	.open		= pcd_block_open,
-	.release	= pcd_block_release,
-	.ioctl		= pcd_block_ioctl,
+	.__open		= pcd_block_open,
+	.__release	= pcd_block_release,
+	.__ioctl		= pcd_block_ioctl,
 	.media_changed	= pcd_block_media_changed,
 };
 
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 5fdfa7c888c..b3023844947 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -807,9 +807,9 @@ static int pd_revalidate(struct gendisk *p)
 
 static struct block_device_operations pd_fops = {
 	.owner		= THIS_MODULE,
-	.open		= pd_open,
-	.release	= pd_release,
-	.ioctl		= pd_ioctl,
+	.__open		= pd_open,
+	.__release	= pd_release,
+	.__ioctl		= pd_ioctl,
 	.getgeo		= pd_getgeo,
 	.media_changed	= pd_check_media,
 	.revalidate_disk= pd_revalidate
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index a902d84fd33..e08ca5161ad 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -264,9 +264,9 @@ static char *pf_buf;		/* buffer for request in progress */
 
 static struct block_device_operations pf_fops = {
 	.owner		= THIS_MODULE,
-	.open		= pf_open,
-	.release	= pf_release,
-	.ioctl		= pf_ioctl,
+	.__open		= pf_open,
+	.__release	= pf_release,
+	.__ioctl		= pf_ioctl,
 	.getgeo		= pf_getgeo,
 	.media_changed	= pf_check_media,
 };
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index a0ba4023953..33ac8ddf491 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2847,9 +2847,9 @@ static int pkt_media_changed(struct gendisk *disk)
 
 static struct block_device_operations pktcdvd_ops = {
 	.owner =		THIS_MODULE,
-	.open =			pkt_open,
-	.release =		pkt_close,
-	.ioctl =		pkt_ioctl,
+	.__open =			pkt_open,
+	.__release =		pkt_close,
+	.__ioctl =		pkt_ioctl,
 	.media_changed =	pkt_media_changed,
 };
 
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 5c45d5556ae..9398af86a7a 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -998,9 +998,9 @@ static int floppy_revalidate(struct gendisk *disk)
 }
 
 static struct block_device_operations floppy_fops = {
-	.open		= floppy_open,
-	.release	= floppy_release,
-	.ioctl		= floppy_ioctl,
+	.__open		= floppy_open,
+	.__release	= floppy_release,
+	.__ioctl		= floppy_ioctl,
 	.media_changed	= floppy_check_change,
 	.revalidate_disk= floppy_revalidate,
 };
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index bc04330f368..5261773407d 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1791,9 +1791,9 @@ static int ub_bd_media_changed(struct gendisk *disk)
 
 static struct block_device_operations ub_bd_fops = {
 	.owner		= THIS_MODULE,
-	.open		= ub_bd_open,
-	.release	= ub_bd_release,
-	.ioctl		= ub_bd_ioctl,
+	.__open		= ub_bd_open,
+	.__release	= ub_bd_release,
+	.__ioctl		= ub_bd_ioctl,
 	.media_changed	= ub_bd_media_changed,
 	.revalidate_disk = ub_bd_revalidate,
 };
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index 1730d29e604..7f7beec29eb 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -221,8 +221,8 @@ static int viodasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
  */
 static struct block_device_operations viodasd_fops = {
 	.owner = THIS_MODULE,
-	.open = viodasd_open,
-	.release = viodasd_release,
+	.__open = viodasd_open,
+	.__release = viodasd_release,
 	.getgeo = viodasd_getgeo,
 };
 
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 7643cd16fd6..10f157ea7b0 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -180,7 +180,7 @@ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
 }
 
 static struct block_device_operations virtblk_fops = {
-	.ioctl  = virtblk_ioctl,
+	.__ioctl  = virtblk_ioctl,
 	.owner  = THIS_MODULE,
 	.getgeo = virtblk_getgeo,
 };
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 624d30f7da3..316fa1da4b9 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -132,7 +132,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
 static struct block_device_operations xd_fops = {
 	.owner	= THIS_MODULE,
-	.ioctl	= xd_ioctl,
+	.__ioctl	= xd_ioctl,
 	.getgeo = xd_getgeo,
 };
 static DECLARE_WAIT_QUEUE_HEAD(xd_wait_int);
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 1a50ae70f71..7efac80c8dd 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1041,8 +1041,8 @@ static int blkif_release(struct inode *inode, struct file *filep)
 static struct block_device_operations xlvbd_block_fops =
 {
 	.owner = THIS_MODULE,
-	.open = blkif_open,
-	.release = blkif_release,
+	.__open = blkif_open,
+	.__release = blkif_release,
 	.getgeo = blkif_getgeo,
 	.ioctl = blkif_ioctl,
 };
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 4a7a059ebaf..e4efe5b7ec2 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -919,8 +919,8 @@ static int ace_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 
 static struct block_device_operations ace_fops = {
 	.owner = THIS_MODULE,
-	.open = ace_open,
-	.release = ace_release,
+	.__open = ace_open,
+	.__release = ace_release,
 	.media_changed = ace_media_changed,
 	.revalidate_disk = ace_revalidate_disk,
 	.getgeo = ace_getgeo,
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index be20a67f1fa..4860d0f3687 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -314,8 +314,8 @@ z2_release( struct inode *inode, struct file *filp )
 static struct block_device_operations z2_fops =
 {
 	.owner		= THIS_MODULE,
-	.open		= z2_open,
-	.release	= z2_release,
+	.__open		= z2_open,
+	.__release	= z2_release,
 };
 
 static struct kobject *z2_find(dev_t dev, int *part, void *data)
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 0959edf2afd..ab0c637f58b 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -514,10 +514,10 @@ static int gdrom_bdops_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations gdrom_bdops = {
 	.owner			= THIS_MODULE,
-	.open			= gdrom_bdops_open,
-	.release		= gdrom_bdops_release,
+	.__open			= gdrom_bdops_open,
+	.__release		= gdrom_bdops_release,
 	.media_changed		= gdrom_bdops_mediachanged,
-	.ioctl			= gdrom_bdops_ioctl,
+	.__ioctl			= gdrom_bdops_ioctl,
 };
 
 static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id)
diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index abc4079c3f4..57c2dced3e9 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -180,9 +180,9 @@ static int viocd_blk_media_changed(struct gendisk *disk)
 
 struct block_device_operations viocd_fops = {
 	.owner =		THIS_MODULE,
-	.open =			viocd_blk_open,
-	.release =		viocd_blk_release,
-	.ioctl =		viocd_blk_ioctl,
+	.__open =			viocd_blk_open,
+	.__release =		viocd_blk_release,
+	.__ioctl =		viocd_blk_ioctl,
 	.media_changed =	viocd_blk_media_changed,
 };
 
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 87d90200b16..3533984355a 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -2200,9 +2200,9 @@ static int idecd_revalidate_disk(struct gendisk *disk)
 
 static struct block_device_operations idecd_ops = {
 	.owner			= THIS_MODULE,
-	.open			= idecd_open,
-	.release		= idecd_release,
-	.ioctl			= idecd_ioctl,
+	.__open			= idecd_open,
+	.__release		= idecd_release,
+	.__ioctl			= idecd_ioctl,
 	.media_changed		= idecd_media_changed,
 	.revalidate_disk	= idecd_revalidate_disk
 };
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 948af08abe2..d118bbed7cd 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -298,9 +298,9 @@ static int ide_gd_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations ide_gd_ops = {
 	.owner			= THIS_MODULE,
-	.open			= ide_gd_open,
-	.release		= ide_gd_release,
-	.ioctl			= ide_gd_ioctl,
+	.__open			= ide_gd_open,
+	.__release		= ide_gd_release,
+	.__ioctl			= ide_gd_ioctl,
 	.getgeo			= ide_gd_getgeo,
 	.media_changed		= ide_gd_media_changed,
 	.revalidate_disk	= ide_gd_revalidate_disk
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 2b263281ffe..c5df53c4838 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2376,9 +2376,9 @@ static int idetape_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations idetape_block_ops = {
 	.owner		= THIS_MODULE,
-	.open		= idetape_open,
-	.release	= idetape_release,
-	.ioctl		= idetape_ioctl,
+	.__open		= idetape_open,
+	.__release	= idetape_release,
+	.__ioctl		= idetape_ioctl,
 };
 
 static int ide_tape_probe(ide_drive_t *drive)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 5f0f4c8bcd3..8b4c92b1b6d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1698,9 +1698,9 @@ int dm_noflush_suspending(struct dm_target *ti)
 EXPORT_SYMBOL_GPL(dm_noflush_suspending);
 
 static struct block_device_operations dm_blk_dops = {
-	.open = dm_blk_open,
-	.release = dm_blk_close,
-	.ioctl = dm_blk_ioctl,
+	.__open = dm_blk_open,
+	.__release = dm_blk_close,
+	.__ioctl = dm_blk_ioctl,
 	.getgeo = dm_blk_getgeo,
 	.owner = THIS_MODULE
 };
diff --git a/drivers/md/md.c b/drivers/md/md.c
index aaa3d465de4..21b04d39ba3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5046,9 +5046,9 @@ static int md_revalidate(struct gendisk *disk)
 static struct block_device_operations md_fops =
 {
 	.owner		= THIS_MODULE,
-	.open		= md_open,
-	.release	= md_release,
-	.ioctl		= md_ioctl,
+	.__open		= md_open,
+	.__release	= md_release,
+	.__ioctl		= md_ioctl,
 	.getgeo		= md_getgeo,
 	.media_changed	= md_media_changed,
 	.revalidate_disk= md_revalidate,
diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index 5263913e0c6..fbe5919789d 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -237,8 +237,8 @@ static int mspro_block_bd_getgeo(struct block_device *bdev,
 }
 
 static struct block_device_operations ms_block_bdops = {
-	.open    = mspro_block_bd_open,
-	.release = mspro_block_bd_release,
+	.__open    = mspro_block_bd_open,
+	.__release = mspro_block_bd_release,
 	.getgeo  = mspro_block_bd_getgeo,
 	.owner   = THIS_MODULE
 };
diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index 81483de8c0f..71500dda8eb 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -931,9 +931,9 @@ static void i2o_block_request_fn(struct request_queue *q)
 /* I2O Block device operations definition */
 static struct block_device_operations i2o_block_fops = {
 	.owner = THIS_MODULE,
-	.open = i2o_block_open,
-	.release = i2o_block_release,
-	.ioctl = i2o_block_ioctl,
+	.__open = i2o_block_open,
+	.__release = i2o_block_release,
+	.__ioctl = i2o_block_ioctl,
 	.getgeo = i2o_block_getgeo,
 	.media_changed = i2o_block_media_changed
 };
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 24c97d3d16b..8cba06f5e11 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -130,8 +130,8 @@ mmc_blk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 }
 
 static struct block_device_operations mmc_bdops = {
-	.open			= mmc_blk_open,
-	.release		= mmc_blk_release,
+	.__open			= mmc_blk_open,
+	.__release		= mmc_blk_release,
 	.getgeo			= mmc_blk_getgeo,
 	.owner			= THIS_MODULE,
 };
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index 681d5aca2af..b00d07c5375 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -213,9 +213,9 @@ static int blktrans_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations mtd_blktrans_ops = {
 	.owner		= THIS_MODULE,
-	.open		= blktrans_open,
-	.release	= blktrans_release,
-	.ioctl		= blktrans_ioctl,
+	.__open		= blktrans_open,
+	.__release	= blktrans_release,
+	.__ioctl		= blktrans_ioctl,
 	.getgeo		= blktrans_getgeo,
 };
 
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 0a225ccda02..6bf68e5fe89 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2087,10 +2087,10 @@ static int dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 struct block_device_operations
 dasd_device_operations = {
 	.owner		= THIS_MODULE,
-	.open		= dasd_open,
-	.release	= dasd_release,
-	.ioctl		= dasd_ioctl,
-	.compat_ioctl	= dasd_compat_ioctl,
+	.__open		= dasd_open,
+	.__release	= dasd_release,
+	.__ioctl		= dasd_ioctl,
+	.__compat_ioctl	= dasd_compat_ioctl,
 	.getgeo		= dasd_getgeo,
 };
 
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index a7ff167d5b8..413460cc3dd 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -42,8 +42,8 @@ static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
 static int dcssblk_major;
 static struct block_device_operations dcssblk_devops = {
 	.owner   	= THIS_MODULE,
-	.open    	= dcssblk_open,
-	.release 	= dcssblk_release,
+	.__open    	= dcssblk_open,
+	.__release 	= dcssblk_release,
 	.direct_access 	= dcssblk_direct_access,
 };
 
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index a25b8bf54f4..f1a741c9a6f 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -52,9 +52,9 @@ static int tapeblock_revalidate_disk(struct gendisk *);
 
 static struct block_device_operations tapeblock_fops = {
 	.owner		 = THIS_MODULE,
-	.open		 = tapeblock_open,
-	.release	 = tapeblock_release,
-	.ioctl           = tapeblock_ioctl,
+	.__open		 = tapeblock_open,
+	.__release	 = tapeblock_release,
+	.__ioctl           = tapeblock_ioctl,
 	.media_changed   = tapeblock_medium_changed,
 	.revalidate_disk = tapeblock_revalidate_disk,
 };
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 5bcc04e82c2..9069afbad9d 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -483,9 +483,9 @@ static int idescsi_ide_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations idescsi_ops = {
 	.owner		= THIS_MODULE,
-	.open		= idescsi_ide_open,
-	.release	= idescsi_ide_release,
-	.ioctl		= idescsi_ide_ioctl,
+	.__open		= idescsi_ide_open,
+	.__release	= idescsi_ide_release,
+	.__ioctl		= idescsi_ide_ioctl,
 };
 
 static int idescsi_slave_configure(struct scsi_device * sdp)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 5a18528a69d..c8b95e8d285 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -962,12 +962,12 @@ static long sd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
 
 static struct block_device_operations sd_fops = {
 	.owner			= THIS_MODULE,
-	.open			= sd_open,
-	.release		= sd_release,
-	.ioctl			= sd_ioctl,
+	.__open			= sd_open,
+	.__release		= sd_release,
+	.__ioctl			= sd_ioctl,
 	.getgeo			= sd_getgeo,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl		= sd_compat_ioctl,
+	.__compat_ioctl		= sd_compat_ioctl,
 #endif
 	.media_changed		= sd_media_changed,
 	.revalidate_disk	= sd_revalidate_disk,
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 2fb8d4d2d6f..9446cbf4de8 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -540,9 +540,9 @@ static int sr_block_media_changed(struct gendisk *disk)
 static struct block_device_operations sr_bdops =
 {
 	.owner		= THIS_MODULE,
-	.open		= sr_block_open,
-	.release	= sr_block_release,
-	.ioctl		= sr_block_ioctl,
+	.__open		= sr_block_open,
+	.__release	= sr_block_release,
+	.__ioctl		= sr_block_ioctl,
 	.media_changed	= sr_block_media_changed,
 	/* 
 	 * No compat_ioctl for now because sr_block_ioctl never
diff --git a/fs/block_dev.c b/fs/block_dev.c
index b9022694e9f..73b6ce47c86 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1033,8 +1033,13 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		bdev->bd_contains = bdev;
 		if (!partno) {
 			struct backing_dev_info *bdi;
+			if (disk->fops->__open) {
+				ret = disk->fops->__open(bdev->bd_inode, file);
+				if (ret)
+					goto out_first;
+			}
 			if (disk->fops->open) {
-				ret = disk->fops->open(bdev->bd_inode, file);
+				ret = disk->fops->open(bdev, file->f_mode);
 				if (ret)
 					goto out_clear;
 			}
@@ -1074,8 +1079,13 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		part = NULL;
 		disk = NULL;
 		if (bdev->bd_contains == bdev) {
+			if (bdev->bd_disk->fops->__open) {
+				ret = bdev->bd_disk->fops->__open(bdev->bd_inode, file);
+				if (ret)
+					goto out;
+			}
 			if (bdev->bd_disk->fops->open) {
-				ret = bdev->bd_disk->fops->open(bdev->bd_inode, file);
+				ret = bdev->bd_disk->fops->open(bdev, file->f_mode);
 				if (ret)
 					goto out_unlock_bdev;
 			}
@@ -1184,8 +1194,10 @@ static int __blkdev_put(struct block_device *bdev, int for_part)
 		kill_bdev(bdev);
 	}
 	if (bdev->bd_contains == bdev) {
+		if (disk->fops->__release)
+			ret = disk->fops->__release(bd_inode, NULL);
 		if (disk->fops->release)
-			ret = disk->fops->release(bd_inode, NULL);
+			ret = disk->fops->release(disk, 0);
 	}
 	if (!bdev->bd_openers) {
 		struct module *owner = disk->fops->owner;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2bad616b994..b573186ff1a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1061,11 +1061,16 @@ struct file;
 struct inode;
 
 struct block_device_operations {
-	int (*open) (struct inode *, struct file *);
-	int (*release) (struct inode *, struct file *);
-	int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
-	long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
-	long (*compat_ioctl) (struct file *, unsigned, unsigned long);
+	int (*__open) (struct inode *, struct file *);
+	int (*__release) (struct inode *, struct file *);
+	int (*__ioctl) (struct inode *, struct file *, unsigned, unsigned long);
+	long (*__unlocked_ioctl) (struct file *, unsigned, unsigned long);
+	long (*__compat_ioctl) (struct file *, unsigned, unsigned long);
+	int (*open) (struct block_device *, fmode_t);
+	int (*release) (struct gendisk *, fmode_t);
+	int (*locked_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
+	int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
+	int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
 	int (*direct_access) (struct block_device *, sector_t,
 						void **, unsigned long *);
 	int (*media_changed) (struct gendisk *);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 58bbf689fef..b5894604ba5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -79,6 +79,7 @@ extern int dir_notify_enable;
 #define FMODE_NDELAY	((__force fmode_t)32)
 #define FMODE_EXCL	((__force fmode_t)64)
 #define FMODE_WRITE_IOCTL	((__force fmode_t)128)
+#define FMODE_NDELAY_NOW	((__force fmode_t)256)
 
 #define RW_MASK		1
 #define RWA_MASK	2
-- 
GitLab


From a625c998e638c5648600828ca1cc282d97c7ebfd Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:16:26 -0500
Subject: [PATCH 1632/2224] [PATCH] switch ubd

ubd_ioctl() doesn't need BKL, so unlocked_ioctl() it becomes...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/um/drivers/ubd_kern.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 72569cc3cbb..0a868118cf0 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -98,9 +98,9 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data)
 
 static DEFINE_MUTEX(ubd_lock);
 
-static int ubd_open(struct inode * inode, struct file * filp);
-static int ubd_release(struct inode * inode, struct file * file);
-static int ubd_ioctl(struct inode * inode, struct file * file,
+static int ubd_open(struct block_device *bdev, fmode_t mode);
+static int ubd_release(struct gendisk *disk, fmode_t mode);
+static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
 		     unsigned int cmd, unsigned long arg);
 static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
@@ -108,9 +108,9 @@ static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
 static struct block_device_operations ubd_blops = {
         .owner		= THIS_MODULE,
-        .__open		= ubd_open,
-        .__release	= ubd_release,
-        .__ioctl		= ubd_ioctl,
+        .open		= ubd_open,
+        .release	= ubd_release,
+        .ioctl		= ubd_ioctl,
 	.getgeo		= ubd_getgeo,
 };
 
@@ -1112,9 +1112,9 @@ static int __init ubd_driver_init(void){
 
 device_initcall(ubd_driver_init);
 
-static int ubd_open(struct inode *inode, struct file *filp)
+static int ubd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct ubd *ubd_dev = disk->private_data;
 	int err = 0;
 
@@ -1131,7 +1131,7 @@ static int ubd_open(struct inode *inode, struct file *filp)
 
 	/* This should no more be needed. And it didn't work anyway to exclude
 	 * read-write remounting of filesystems.*/
-	/*if((filp->f_mode & FMODE_WRITE) && !ubd_dev->openflags.w){
+	/*if((mode & FMODE_WRITE) && !ubd_dev->openflags.w){
 	        if(--ubd_dev->count == 0) ubd_close_dev(ubd_dev);
 	        err = -EROFS;
 	}*/
@@ -1139,9 +1139,8 @@ static int ubd_open(struct inode *inode, struct file *filp)
 	return err;
 }
 
-static int ubd_release(struct inode * inode, struct file * file)
+static int ubd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct ubd *ubd_dev = disk->private_data;
 
 	if(--ubd_dev->count == 0)
@@ -1306,10 +1305,10 @@ static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int ubd_ioctl(struct inode * inode, struct file * file,
+static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
 		     unsigned int cmd, unsigned long arg)
 {
-	struct ubd *ubd_dev = inode->i_bdev->bd_disk->private_data;
+	struct ubd *ubd_dev = bdev->bd_disk->private_data;
 	struct hd_driveid ubd_id = {
 		.cyls		= 0,
 		.heads		= 128,
-- 
GitLab


From b564f027ad90ab11ed668984af3ae9e0a0f27359 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:18:16 -0500
Subject: [PATCH 1633/2224] [PATCH] switch DAC960

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/DAC960.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 4b90ebfa667..f6a337c34ac 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -72,9 +72,9 @@ static long disk_size(DAC960_Controller_T *p, int drive_nr)
 	}
 }
 
-static int DAC960_open(struct inode *inode, struct file *file)
+static int DAC960_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	DAC960_Controller_T *p = disk->queue->queuedata;
 	int drive_nr = (long)disk->private_data;
 
@@ -89,7 +89,7 @@ static int DAC960_open(struct inode *inode, struct file *file)
 			return -ENXIO;
 	}
 
-	check_disk_change(inode->i_bdev);
+	check_disk_change(bdev);
 
 	if (!get_capacity(p->disks[drive_nr]))
 		return -ENXIO;
@@ -153,7 +153,7 @@ static int DAC960_revalidate_disk(struct gendisk *disk)
 
 static struct block_device_operations DAC960_BlockDeviceOperations = {
 	.owner			= THIS_MODULE,
-	.__open			= DAC960_open,
+	.open			= DAC960_open,
 	.getgeo			= DAC960_getgeo,
 	.media_changed		= DAC960_media_changed,
 	.revalidate_disk	= DAC960_revalidate_disk,
-- 
GitLab


From 47225db519f9d54377b8598129b53a63fcc2f4e2 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:22:38 -0500
Subject: [PATCH 1634/2224] [PATCH] switch amiflop

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/amiflop.c | 50 +++++++++++++++++++++--------------------
 1 file changed, 26 insertions(+), 24 deletions(-)

diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index d5da4e3cb2a..4b1d4ac960f 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1437,10 +1437,11 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int fd_ioctl(struct inode *inode, struct file *filp,
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long param)
 {
-	int drive = iminor(inode) & 3;
+	struct amiga_floppy_struct *p = bdev->bd_disk->private_data;
+	int drive = p - unit;
 	static struct floppy_struct getprm;
 	void __user *argp = (void __user *)param;
 
@@ -1451,7 +1452,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 			rel_fdc();
 			return -EBUSY;
 		}
-		fsync_bdev(inode->i_bdev);
+		fsync_bdev(bdev);
 		if (fd_motor_on(drive) == 0) {
 			rel_fdc();
 			return -ENODEV;
@@ -1464,12 +1465,12 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		rel_fdc();
 		break;
 	case FDFMTTRK:
-		if (param < unit[drive].type->tracks * unit[drive].type->heads)
+		if (param < p->type->tracks * p->type->heads)
 		{
 			get_fdc(drive);
 			if (fd_seek(drive,param) != 0){
-				memset(unit[drive].trackbuf, FD_FILL_BYTE,
-				       unit[drive].dtype->sects * unit[drive].type->sect_mult * 512);
+				memset(p->trackbuf, FD_FILL_BYTE,
+				       p->dtype->sects * p->type->sect_mult * 512);
 				non_int_flush_track(drive);
 			}
 			floppy_off(drive);
@@ -1480,14 +1481,14 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		break;
 	case FDFMTEND:
 		floppy_off(drive);
-		invalidate_bdev(inode->i_bdev);
+		invalidate_bdev(bdev);
 		break;
 	case FDGETPRM:
 		memset((void *)&getprm, 0, sizeof (getprm));
-		getprm.track=unit[drive].type->tracks;
-		getprm.head=unit[drive].type->heads;
-		getprm.sect=unit[drive].dtype->sects * unit[drive].type->sect_mult;
-		getprm.size=unit[drive].blocks;
+		getprm.track=p->type->tracks;
+		getprm.head=p->type->heads;
+		getprm.sect=p->dtype->sects * p->type->sect_mult;
+		getprm.size=p->blocks;
 		if (copy_to_user(argp, &getprm, sizeof(struct floppy_struct)))
 			return -EFAULT;
 		break;
@@ -1500,10 +1501,10 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		break;
 #ifdef RAW_IOCTL
 	case IOCTL_RAW_TRACK:
-		if (copy_to_user(argp, raw_buf, unit[drive].type->read_size))
+		if (copy_to_user(argp, raw_buf, p->type->read_size))
 			return -EFAULT;
 		else
-			return unit[drive].type->read_size;
+			return p->type->read_size;
 #endif
 	default:
 		printk(KERN_DEBUG "fd_ioctl: unknown cmd %d for drive %d.",
@@ -1548,10 +1549,10 @@ static void fd_probe(int dev)
  * /dev/PS0 etc), and disallows simultaneous access to the same
  * drive with different device numbers.
  */
-static int floppy_open(struct inode *inode, struct file *filp)
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	int drive = iminor(inode) & 3;
-	int system =  (iminor(inode) & 4) >> 2;
+	int drive = MINOR(bdev->bd_dev) & 3;
+	int system =  (MINOR(bdev->bd_dev) & 4) >> 2;
 	int old_dev;
 	unsigned long flags;
 
@@ -1560,9 +1561,9 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	if (fd_ref[drive] && old_dev != system)
 		return -EBUSY;
 
-	if (filp && filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
-		check_disk_change(inode->i_bdev);
-		if (filp->f_mode & FMODE_WRITE ) {
+	if (mode & (FMODE_READ|FMODE_WRITE)) {
+		check_disk_change(bdev);
+		if (mode & FMODE_WRITE) {
 			int wrprot;
 
 			get_fdc(drive);
@@ -1592,9 +1593,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-static int floppy_release(struct inode * inode, struct file * filp)
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	int drive = iminor(inode) & 3;
+	struct amiga_floppy_struct *p = disk->private_data;
+	int drive = p - unit;
 
 	if (unit[drive].dirty == 1) {
 		del_timer (flush_track_timer + drive);
@@ -1648,9 +1650,9 @@ static int amiga_floppy_change(struct gendisk *disk)
 
 static struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
-	.__open		= floppy_open,
-	.__release	= floppy_release,
-	.__ioctl		= fd_ioctl,
+	.open		= floppy_open,
+	.release	= floppy_release,
+	.locked_ioctl	= fd_ioctl,
 	.getgeo		= fd_getgeo,
 	.media_changed	= amiga_floppy_change,
 };
-- 
GitLab


From 94562c175113cf91204a77269eabeea32e1f38db Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:23:18 -0500
Subject: [PATCH 1635/2224] [PATCH] switch aoeblk

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/aoe/aoeblk.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index d4d9796d5dd..1747dd272cd 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -118,13 +118,11 @@ aoedisk_rm_sysfs(struct aoedev *d)
 }
 
 static int
-aoeblk_open(struct inode *inode, struct file *filp)
+aoeblk_open(struct block_device *bdev, fmode_t mode)
 {
-	struct aoedev *d;
+	struct aoedev *d = bdev->bd_disk->private_data;
 	ulong flags;
 
-	d = inode->i_bdev->bd_disk->private_data;
-
 	spin_lock_irqsave(&d->lock, flags);
 	if (d->flags & DEVFL_UP) {
 		d->nopen++;
@@ -136,13 +134,11 @@ aoeblk_open(struct inode *inode, struct file *filp)
 }
 
 static int
-aoeblk_release(struct inode *inode, struct file *filp)
+aoeblk_release(struct gendisk *disk, fmode_t mode)
 {
-	struct aoedev *d;
+	struct aoedev *d = disk->private_data;
 	ulong flags;
 
-	d = inode->i_bdev->bd_disk->private_data;
-
 	spin_lock_irqsave(&d->lock, flags);
 
 	if (--d->nopen == 0) {
@@ -239,8 +235,8 @@ aoeblk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 }
 
 static struct block_device_operations aoe_bdops = {
-	.__open = aoeblk_open,
-	.__release = aoeblk_release,
+	.open = aoeblk_open,
+	.release = aoeblk_release,
 	.getgeo = aoeblk_getgeo,
 	.owner = THIS_MODULE,
 };
-- 
GitLab


From 60ad23400717f70b8f0ee623b50d343d45f7b135 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:23:54 -0500
Subject: [PATCH 1636/2224] [PATCH] switch ataflop

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/ataflop.c | 41 ++++++++++++++++++++---------------------
 1 file changed, 20 insertions(+), 21 deletions(-)

diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 30166774327..69e1df7dfa1 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -361,13 +361,13 @@ static void finish_fdc( void );
 static void finish_fdc_done( int dummy );
 static void setup_req_params( int drive );
 static void redo_fd_request( void);
-static int fd_ioctl( struct inode *inode, struct file *filp, unsigned int
+static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
                      cmd, unsigned long param);
 static void fd_probe( int drive );
 static int fd_test_drive_present( int drive );
 static void config_types( void );
-static int floppy_open( struct inode *inode, struct file *filp );
-static int floppy_release( struct inode * inode, struct file * filp );
+static int floppy_open(struct block_device *bdev, fmode_t mode);
+static int floppy_release(struct gendisk *disk, fmode_t mode);
 
 /************************* End of Prototypes **************************/
 
@@ -1483,10 +1483,10 @@ void do_fd_request(struct request_queue * q)
 	atari_enable_irq( IRQ_MFP_FDC );
 }
 
-static int fd_ioctl(struct inode *inode, struct file *filp,
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long param)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct atari_floppy_struct *floppy = disk->private_data;
 	int drive = floppy - unit;
 	int type = floppy->type;
@@ -1661,7 +1661,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp,
 		/* invalidate the buffer track to force a reread */
 		BufferDrive = -1;
 		set_bit(drive, &fake_change);
-		check_disk_change(inode->i_bdev);
+		check_disk_change(bdev);
 		return 0;
 	default:
 		return -EINVAL;
@@ -1804,37 +1804,36 @@ static void __init config_types( void )
  * drive with different device numbers.
  */
 
-static int floppy_open( struct inode *inode, struct file *filp )
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	struct atari_floppy_struct *p = inode->i_bdev->bd_disk->private_data;
-	int type  = iminor(inode) >> 2;
+	struct atari_floppy_struct *p = bdev->bd_disk->private_data;
+	int type  = MINOR(bdev->bd_dev) >> 2;
 
 	DPRINT(("fd_open: type=%d\n",type));
 	if (p->ref && p->type != type)
 		return -EBUSY;
 
-	if (p->ref == -1 || (p->ref && filp->f_mode & FMODE_EXCL))
+	if (p->ref == -1 || (p->ref && mode & FMODE_EXCL))
 		return -EBUSY;
 
-	if (filp->f_mode & FMODE_EXCL)
+	if (mode & FMODE_EXCL)
 		p->ref = -1;
 	else
 		p->ref++;
 
 	p->type = type;
 
-	if (filp->f_mode & FMODE_NDELAY)
+	if (mode & FMODE_NDELAY)
 		return 0;
 
-	if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
-		check_disk_change(inode->i_bdev);
-		if (filp->f_mode & FMODE_WRITE) {
+	if (mode & (FMODE_READ|FMODE_WRITE)) {
+		check_disk_change(bdev);
+		if (mode & FMODE_WRITE) {
 			if (p->wpstat) {
 				if (p->ref < 0)
 					p->ref = 0;
 				else
 					p->ref--;
-				floppy_release(inode, filp);
 				return -EROFS;
 			}
 		}
@@ -1843,9 +1842,9 @@ static int floppy_open( struct inode *inode, struct file *filp )
 }
 
 
-static int floppy_release( struct inode * inode, struct file * filp )
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	struct atari_floppy_struct *p = inode->i_bdev->bd_disk->private_data;
+	struct atari_floppy_struct *p = disk->private_data;
 	if (p->ref < 0)
 		p->ref = 0;
 	else if (!p->ref--) {
@@ -1857,9 +1856,9 @@ static int floppy_release( struct inode * inode, struct file * filp )
 
 static struct block_device_operations floppy_fops = {
 	.owner		= THIS_MODULE,
-	.__open		= floppy_open,
-	.__release	= floppy_release,
-	.__ioctl		= fd_ioctl,
+	.open		= floppy_open,
+	.release	= floppy_release,
+	.locked_ioctl	= fd_ioctl,
 	.media_changed	= check_floppy_change,
 	.revalidate_disk= floppy_revalidate,
 };
-- 
GitLab


From 2b9ecd03335c7be9b8ce84f4499f4b6785a655ee Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:24:35 -0500
Subject: [PATCH 1637/2224] [PATCH] switch brd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/brd.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 2ea99f94766..bdd4f5f4557 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -340,11 +340,10 @@ static int brd_direct_access (struct block_device *bdev, sector_t sector,
 }
 #endif
 
-static int brd_ioctl(struct inode *inode, struct file *file,
+static int brd_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
 	int error;
-	struct block_device *bdev = inode->i_bdev;
 	struct brd_device *brd = bdev->bd_disk->private_data;
 
 	if (cmd != BLKFLSBUF)
@@ -376,7 +375,7 @@ static int brd_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations brd_fops = {
 	.owner =		THIS_MODULE,
-	.__ioctl =		brd_ioctl,
+	.locked_ioctl =		brd_ioctl,
 #ifdef CONFIG_BLK_DEV_XIP
 	.direct_access =	brd_direct_access,
 #endif
-- 
GitLab


From ef7822c2fbbb004e30e1fb6f79d6f8a1a1a144d7 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:26:41 -0500
Subject: [PATCH 1638/2224] [PATCH] switch cciss

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/cciss.c | 78 +++++++++++++++++++++----------------------
 1 file changed, 39 insertions(+), 39 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 781b745181d..4023885353e 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -152,9 +152,9 @@ static ctlr_info_t *hba[MAX_CTLR];
 
 static void do_cciss_request(struct request_queue *q);
 static irqreturn_t do_cciss_intr(int irq, void *dev_id);
-static int cciss_open(struct inode *inode, struct file *filep);
-static int cciss_release(struct inode *inode, struct file *filep);
-static int cciss_ioctl(struct inode *inode, struct file *filep,
+static int cciss_open(struct block_device *bdev, fmode_t mode);
+static int cciss_release(struct gendisk *disk, fmode_t mode);
+static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
 		       unsigned int cmd, unsigned long arg);
 static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
@@ -192,17 +192,18 @@ static void cciss_procinit(int i)
 #endif				/* CONFIG_PROC_FS */
 
 #ifdef CONFIG_COMPAT
-static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg);
+static int cciss_compat_ioctl(struct block_device *, fmode_t,
+			      unsigned, unsigned long);
 #endif
 
 static struct block_device_operations cciss_fops = {
 	.owner = THIS_MODULE,
-	.__open = cciss_open,
-	.__release = cciss_release,
-	.__ioctl = cciss_ioctl,
+	.open = cciss_open,
+	.release = cciss_release,
+	.locked_ioctl = cciss_ioctl,
 	.getgeo = cciss_getgeo,
 #ifdef CONFIG_COMPAT
-	.__compat_ioctl = cciss_compat_ioctl,
+	.compat_ioctl = cciss_compat_ioctl,
 #endif
 	.revalidate_disk = cciss_revalidate,
 };
@@ -547,13 +548,13 @@ static inline drive_info_struct *get_drv(struct gendisk *disk)
 /*
  * Open.  Make sure the device is really there.
  */
-static int cciss_open(struct inode *inode, struct file *filep)
+static int cciss_open(struct block_device *bdev, fmode_t mode)
 {
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
-	drive_info_struct *drv = get_drv(inode->i_bdev->bd_disk);
+	ctlr_info_t *host = get_host(bdev->bd_disk);
+	drive_info_struct *drv = get_drv(bdev->bd_disk);
 
 #ifdef CCISS_DEBUG
-	printk(KERN_DEBUG "cciss_open %s\n", inode->i_bdev->bd_disk->disk_name);
+	printk(KERN_DEBUG "cciss_open %s\n", bdev->bd_disk->disk_name);
 #endif				/* CCISS_DEBUG */
 
 	if (host->busy_initializing || drv->busy_configuring)
@@ -567,9 +568,9 @@ static int cciss_open(struct inode *inode, struct file *filep)
 	 * for "raw controller".
 	 */
 	if (drv->heads == 0) {
-		if (iminor(inode) != 0) {	/* not node 0? */
+		if (MINOR(bdev->bd_dev) != 0) {	/* not node 0? */
 			/* if not node 0 make sure it is a partition = 0 */
-			if (iminor(inode) & 0x0f) {
+			if (MINOR(bdev->bd_dev) & 0x0f) {
 				return -ENXIO;
 				/* if it is, make sure we have a LUN ID */
 			} else if (drv->LunID == 0) {
@@ -587,14 +588,13 @@ static int cciss_open(struct inode *inode, struct file *filep)
 /*
  * Close.  Sync first.
  */
-static int cciss_release(struct inode *inode, struct file *filep)
+static int cciss_release(struct gendisk *disk, fmode_t mode)
 {
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
-	drive_info_struct *drv = get_drv(inode->i_bdev->bd_disk);
+	ctlr_info_t *host = get_host(disk);
+	drive_info_struct *drv = get_drv(disk);
 
 #ifdef CCISS_DEBUG
-	printk(KERN_DEBUG "cciss_release %s\n",
-	       inode->i_bdev->bd_disk->disk_name);
+	printk(KERN_DEBUG "cciss_release %s\n", disk->disk_name);
 #endif				/* CCISS_DEBUG */
 
 	drv->usage_count--;
@@ -604,21 +604,23 @@ static int cciss_release(struct inode *inode, struct file *filep)
 
 #ifdef CONFIG_COMPAT
 
-static int do_ioctl(struct file *f, unsigned cmd, unsigned long arg)
+static int do_ioctl(struct block_device *bdev, fmode_t mode,
+		    unsigned cmd, unsigned long arg)
 {
 	int ret;
 	lock_kernel();
-	ret = cciss_ioctl(f->f_path.dentry->d_inode, f, cmd, arg);
+	ret = cciss_ioctl(bdev, mode, cmd, arg);
 	unlock_kernel();
 	return ret;
 }
 
-static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
-				  unsigned long arg);
-static int cciss_ioctl32_big_passthru(struct file *f, unsigned cmd,
-				      unsigned long arg);
+static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
+				  unsigned cmd, unsigned long arg);
+static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
+				      unsigned cmd, unsigned long arg);
 
-static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
+static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode,
+			      unsigned cmd, unsigned long arg)
 {
 	switch (cmd) {
 	case CCISS_GETPCIINFO:
@@ -636,20 +638,20 @@ static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
 	case CCISS_REGNEWD:
 	case CCISS_RESCANDISK:
 	case CCISS_GETLUNINFO:
-		return do_ioctl(f, cmd, arg);
+		return do_ioctl(bdev, mode, cmd, arg);
 
 	case CCISS_PASSTHRU32:
-		return cciss_ioctl32_passthru(f, cmd, arg);
+		return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
 	case CCISS_BIG_PASSTHRU32:
-		return cciss_ioctl32_big_passthru(f, cmd, arg);
+		return cciss_ioctl32_big_passthru(bdev, mode, cmd, arg);
 
 	default:
 		return -ENOIOCTLCMD;
 	}
 }
 
-static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
-				  unsigned long arg)
+static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
+				  unsigned cmd, unsigned long arg)
 {
 	IOCTL32_Command_struct __user *arg32 =
 	    (IOCTL32_Command_struct __user *) arg;
@@ -676,7 +678,7 @@ static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
 	if (err)
 		return -EFAULT;
 
-	err = do_ioctl(f, CCISS_PASSTHRU, (unsigned long)p);
+	err = do_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
 	if (err)
 		return err;
 	err |=
@@ -687,8 +689,8 @@ static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
 	return err;
 }
 
-static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd,
-				      unsigned long arg)
+static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
+				      unsigned cmd, unsigned long arg)
 {
 	BIG_IOCTL32_Command_struct __user *arg32 =
 	    (BIG_IOCTL32_Command_struct __user *) arg;
@@ -717,7 +719,7 @@ static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd,
 	if (err)
 		return -EFAULT;
 
-	err = do_ioctl(file, CCISS_BIG_PASSTHRU, (unsigned long)p);
+	err = do_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
 	if (err)
 		return err;
 	err |=
@@ -745,10 +747,9 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 /*
  * ioctl
  */
-static int cciss_ioctl(struct inode *inode, struct file *filep,
+static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
 		       unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
 	ctlr_info_t *host = get_host(disk);
 	drive_info_struct *drv = get_drv(disk);
@@ -1232,8 +1233,7 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
 	case SG_EMULATED_HOST:
 	case SG_IO:
 	case SCSI_IOCTL_SEND_COMMAND:
-		return scsi_cmd_ioctl(disk->queue, disk,
-				      filep ? filep->f_mode : 0, cmd, argp);
+		return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
 
 	/* scsi_cmd_ioctl would normally handle these, below, but */
 	/* they aren't a good fit for cciss, as CD-ROMs are */
-- 
GitLab


From 47844fadb5050a6fb90924e73eb2dea1afd7fe33 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:27:11 -0500
Subject: [PATCH 1639/2224] [PATCH] switch cpqarray

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/cpqarray.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index b71334b968b..47d233c6d0b 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -156,9 +156,9 @@ static int sendcmd(
 	unsigned int blkcnt,
 	unsigned int log_unit );
 
-static int ida_open(struct inode *inode, struct file *filep);
-static int ida_release(struct inode *inode, struct file *filep);
-static int ida_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, unsigned long arg);
+static int ida_open(struct block_device *bdev, fmode_t mode);
+static int ida_release(struct gendisk *disk, fmode_t mode);
+static int ida_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg);
 static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 static int ida_ctlr_ioctl(ctlr_info_t *h, int dsk, ida_ioctl_t *io);
 
@@ -195,9 +195,9 @@ static inline ctlr_info_t *get_host(struct gendisk *disk)
 
 static struct block_device_operations ida_fops  = {
 	.owner		= THIS_MODULE,
-	.__open		= ida_open,
-	.__release	= ida_release,
-	.__ioctl		= ida_ioctl,
+	.open		= ida_open,
+	.release	= ida_release,
+	.locked_ioctl	= ida_ioctl,
 	.getgeo		= ida_getgeo,
 	.revalidate_disk= ida_revalidate,
 };
@@ -818,12 +818,12 @@ DBGINFO(
 /*
  * Open.  Make sure the device is really there.
  */
-static int ida_open(struct inode *inode, struct file *filep)
+static int ida_open(struct block_device *bdev, fmode_t mode)
 {
-	drv_info_t *drv = get_drv(inode->i_bdev->bd_disk);
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
+	drv_info_t *drv = get_drv(bdev->bd_disk);
+	ctlr_info_t *host = get_host(bdev->bd_disk);
 
-	DBGINFO(printk("ida_open %s\n", inode->i_bdev->bd_disk->disk_name));
+	DBGINFO(printk("ida_open %s\n", bdev->bd_disk->disk_name));
 	/*
 	 * Root is allowed to open raw volume zero even if it's not configured
 	 * so array config can still work.  I don't think I really like this,
@@ -843,9 +843,9 @@ static int ida_open(struct inode *inode, struct file *filep)
 /*
  * Close.  Sync first.
  */
-static int ida_release(struct inode *inode, struct file *filep)
+static int ida_release(struct gendisk *disk, fmode_t mode)
 {
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
+	ctlr_info_t *host = get_host(disk);
 	host->usage_count--;
 	return 0;
 }
@@ -1128,10 +1128,10 @@ static int ida_getgeo(struct block_device *bdev, struct hd_geometry *geo)
  *  ida_ioctl does some miscellaneous stuff like reporting drive geometry,
  *  setting readahead and submitting commands from userspace to the controller.
  */
-static int ida_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, unsigned long arg)
+static int ida_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
 {
-	drv_info_t *drv = get_drv(inode->i_bdev->bd_disk);
-	ctlr_info_t *host = get_host(inode->i_bdev->bd_disk);
+	drv_info_t *drv = get_drv(bdev->bd_disk);
+	ctlr_info_t *host = get_host(bdev->bd_disk);
 	int error;
 	ida_ioctl_t __user *io = (ida_ioctl_t __user *)arg;
 	ida_ioctl_t *my_io;
@@ -1165,7 +1165,7 @@ out_passthru:
 		put_user(host->ctlr_sig, (int __user *)arg);
 		return 0;
 	case IDAREVALIDATEVOLS:
-		if (iminor(inode) != 0)
+		if (MINOR(bdev->bd_dev) != 0)
 			return -ENXIO;
 		return revalidate_allvol(host);
 	case IDADRIVERVERSION:
-- 
GitLab


From a4af9b48cb480f5016947bbd3f396c265c7cb368 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:27:55 -0500
Subject: [PATCH 1640/2224] [PATCH] switch floppy

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/floppy.c | 51 +++++++++++++++++++++---------------------
 1 file changed, 26 insertions(+), 25 deletions(-)

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 72363df5895..14db747a636 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3450,14 +3450,14 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
+static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
 		    unsigned long param)
 {
-#define FD_IOCTL_ALLOWED ((filp) && (filp)->f_mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
+#define FD_IOCTL_ALLOWED (mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
 #define OUT(c,x) case c: outparam = (const char *) (x); break
 #define IN(c,x,tag) case c: *(x) = inparam. tag ; return 0
 
-	int drive = (long)inode->i_bdev->bd_disk->private_data;
+	int drive = (long)bdev->bd_disk->private_data;
 	int type = ITYPE(UDRS->fd_device);
 	int i;
 	int ret;
@@ -3516,11 +3516,11 @@ static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 			current_type[drive] = NULL;
 			floppy_sizes[drive] = MAX_DISK_SIZE << 1;
 			UDRS->keep_data = 0;
-			return invalidate_drive(inode->i_bdev);
+			return invalidate_drive(bdev);
 		case FDSETPRM:
 		case FDDEFPRM:
 			return set_geometry(cmd, &inparam.g,
-					    drive, type, inode->i_bdev);
+					    drive, type, bdev);
 		case FDGETPRM:
 			ECALL(get_floppy_geometry(drive, type,
 						  (struct floppy_struct **)
@@ -3551,7 +3551,7 @@ static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		case FDFMTEND:
 		case FDFLUSH:
 			LOCK_FDC(drive, 1);
-			return invalidate_drive(inode->i_bdev);
+			return invalidate_drive(bdev);
 
 		case FDSETEMSGTRESH:
 			UDP->max_errors.reporting =
@@ -3659,9 +3659,9 @@ static void __init config_types(void)
 		printk("\n");
 }
 
-static int floppy_release(struct inode *inode, struct file *filp)
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	int drive = (long)inode->i_bdev->bd_disk->private_data;
+	int drive = (long)disk->private_data;
 
 	mutex_lock(&open_lock);
 	if (UDRS->fd_ref < 0)
@@ -3682,17 +3682,17 @@ static int floppy_release(struct inode *inode, struct file *filp)
  * /dev/PS0 etc), and disallows simultaneous access to the same
  * drive with different device numbers.
  */
-static int floppy_open(struct inode *inode, struct file *filp)
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	int drive = (long)inode->i_bdev->bd_disk->private_data;
-	int old_dev;
+	int drive = (long)bdev->bd_disk->private_data;
+	int old_dev, new_dev;
 	int try;
 	int res = -EBUSY;
 	char *tmp;
 
 	mutex_lock(&open_lock);
 	old_dev = UDRS->fd_device;
-	if (opened_bdev[drive] && opened_bdev[drive] != inode->i_bdev)
+	if (opened_bdev[drive] && opened_bdev[drive] != bdev)
 		goto out2;
 
 	if (!UDRS->fd_ref && (UDP->flags & FD_BROKEN_DCL)) {
@@ -3700,15 +3700,15 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		USETF(FD_VERIFY);
 	}
 
-	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_mode & FMODE_EXCL)))
+	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (mode & FMODE_EXCL)))
 		goto out2;
 
-	if (filp->f_mode & FMODE_EXCL)
+	if (mode & FMODE_EXCL)
 		UDRS->fd_ref = -1;
 	else
 		UDRS->fd_ref++;
 
-	opened_bdev[drive] = inode->i_bdev;
+	opened_bdev[drive] = bdev;
 
 	res = -ENXIO;
 
@@ -3743,9 +3743,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		}
 	}
 
-	UDRS->fd_device = iminor(inode);
-	set_capacity(disks[drive], floppy_sizes[iminor(inode)]);
-	if (old_dev != -1 && old_dev != iminor(inode)) {
+	new_dev = MINOR(bdev->bd_dev);
+	UDRS->fd_device = new_dev;
+	set_capacity(disks[drive], floppy_sizes[new_dev]);
+	if (old_dev != -1 && old_dev != new_dev) {
 		if (buffer_drive == drive)
 			buffer_track = -1;
 	}
@@ -3753,15 +3754,15 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	if (UFDCS->rawcmd == 1)
 		UFDCS->rawcmd = 2;
 
-	if (!(filp->f_mode & FMODE_NDELAY)) {
-		if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
+	if (!(mode & FMODE_NDELAY)) {
+		if (mode & (FMODE_READ|FMODE_WRITE)) {
 			UDRS->last_checked = 0;
-			check_disk_change(inode->i_bdev);
+			check_disk_change(bdev);
 			if (UTESTF(FD_DISK_CHANGED))
 				goto out;
 		}
 		res = -EROFS;
-		if ((filp->f_mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
+		if ((mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
 			goto out;
 	}
 	mutex_unlock(&open_lock);
@@ -3902,9 +3903,9 @@ static int floppy_revalidate(struct gendisk *disk)
 
 static struct block_device_operations floppy_fops = {
 	.owner			= THIS_MODULE,
-	.__open			= floppy_open,
-	.__release		= floppy_release,
-	.__ioctl			= fd_ioctl,
+	.open			= floppy_open,
+	.release		= floppy_release,
+	.locked_ioctl		= fd_ioctl,
 	.getgeo			= fd_getgeo,
 	.media_changed		= check_floppy_change,
 	.revalidate_disk	= floppy_revalidate,
-- 
GitLab


From bb21488482bd36eae6b30b014d93619063773fd4 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:29:48 -0500
Subject: [PATCH 1641/2224] [PATCH] switch loop

ioctl doesn't need BKL here

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/loop.c | 52 +++++++++++++++++++++++---------------------
 1 file changed, 27 insertions(+), 25 deletions(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 6faca2b7ae3..67d7bc81236 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -652,8 +652,8 @@ static void do_loop_switch(struct loop_device *lo, struct switch_request *p)
  * This can only work if the loop device is used read-only, and if the
  * new backing store is the same size and type as the old backing store.
  */
-static int loop_change_fd(struct loop_device *lo, struct file *lo_file,
-		       struct block_device *bdev, unsigned int arg)
+static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
+			  unsigned int arg)
 {
 	struct file	*file, *old_file;
 	struct inode	*inode;
@@ -712,7 +712,7 @@ static inline int is_loop_device(struct file *file)
 	return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR;
 }
 
-static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
+static int loop_set_fd(struct loop_device *lo, fmode_t mode,
 		       struct block_device *bdev, unsigned int arg)
 {
 	struct file	*file, *f;
@@ -740,7 +740,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
 	while (is_loop_device(f)) {
 		struct loop_device *l;
 
-		if (f->f_mapping->host->i_rdev == lo_file->f_mapping->host->i_rdev)
+		if (f->f_mapping->host->i_bdev == bdev)
 			goto out_putf;
 
 		l = f->f_mapping->host->i_bdev->bd_disk->private_data;
@@ -786,7 +786,7 @@ static int loop_set_fd(struct loop_device *lo, struct file *lo_file,
 		goto out_putf;
 	}
 
-	if (!(lo_file->f_mode & FMODE_WRITE))
+	if (!(mode & FMODE_WRITE))
 		lo_flags |= LO_FLAGS_READ_ONLY;
 
 	set_device_ro(bdev, (lo_flags & LO_FLAGS_READ_ONLY) != 0);
@@ -918,9 +918,11 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
 	memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
 	memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
 	memset(lo->lo_file_name, 0, LO_NAME_SIZE);
-	invalidate_bdev(bdev);
+	if (bdev)
+		invalidate_bdev(bdev);
 	set_capacity(lo->lo_disk, 0);
-	bd_set_size(bdev, 0);
+	if (bdev)
+		bd_set_size(bdev, 0);
 	mapping_set_gfp_mask(filp->f_mapping, gfp);
 	lo->lo_state = Lo_unbound;
 	fput(filp);
@@ -1137,22 +1139,22 @@ loop_get_status64(struct loop_device *lo, struct loop_info64 __user *arg) {
 	return err;
 }
 
-static int lo_ioctl(struct inode * inode, struct file * file,
+static int lo_ioctl(struct block_device *bdev, fmode_t mode,
 	unsigned int cmd, unsigned long arg)
 {
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = bdev->bd_disk->private_data;
 	int err;
 
 	mutex_lock(&lo->lo_ctl_mutex);
 	switch (cmd) {
 	case LOOP_SET_FD:
-		err = loop_set_fd(lo, file, inode->i_bdev, arg);
+		err = loop_set_fd(lo, mode, bdev, arg);
 		break;
 	case LOOP_CHANGE_FD:
-		err = loop_change_fd(lo, file, inode->i_bdev, arg);
+		err = loop_change_fd(lo, bdev, arg);
 		break;
 	case LOOP_CLR_FD:
-		err = loop_clr_fd(lo, inode->i_bdev);
+		err = loop_clr_fd(lo, bdev);
 		break;
 	case LOOP_SET_STATUS:
 		err = loop_set_status_old(lo, (struct loop_info __user *) arg);
@@ -1292,10 +1294,10 @@ loop_get_status_compat(struct loop_device *lo,
 	return err;
 }
 
-static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
+			   unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = bdev->bd_disk->private_data;
 	int err;
 
 	switch(cmd) {
@@ -1317,7 +1319,7 @@ static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
 		arg = (unsigned long) compat_ptr(arg);
 	case LOOP_SET_FD:
 	case LOOP_CHANGE_FD:
-		err = lo_ioctl(inode, file, cmd, arg);
+		err = lo_ioctl(bdev, mode, cmd, arg);
 		break;
 	default:
 		err = -ENOIOCTLCMD;
@@ -1327,9 +1329,9 @@ static long lo_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
 }
 #endif
 
-static int lo_open(struct inode *inode, struct file *file)
+static int lo_open(struct block_device *bdev, fmode_t mode)
 {
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = bdev->bd_disk->private_data;
 
 	mutex_lock(&lo->lo_ctl_mutex);
 	lo->lo_refcnt++;
@@ -1338,15 +1340,15 @@ static int lo_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static int lo_release(struct inode *inode, struct file *file)
+static int lo_release(struct gendisk *disk, fmode_t mode)
 {
-	struct loop_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct loop_device *lo = disk->private_data;
 
 	mutex_lock(&lo->lo_ctl_mutex);
 	--lo->lo_refcnt;
 
 	if ((lo->lo_flags & LO_FLAGS_AUTOCLEAR) && !lo->lo_refcnt)
-		loop_clr_fd(lo, inode->i_bdev);
+		loop_clr_fd(lo, NULL);
 
 	mutex_unlock(&lo->lo_ctl_mutex);
 
@@ -1355,11 +1357,11 @@ static int lo_release(struct inode *inode, struct file *file)
 
 static struct block_device_operations lo_fops = {
 	.owner =	THIS_MODULE,
-	.__open =		lo_open,
-	.__release =	lo_release,
-	.__ioctl =	lo_ioctl,
+	.open =		lo_open,
+	.release =	lo_release,
+	.ioctl =	lo_ioctl,
 #ifdef CONFIG_COMPAT
-	.__compat_ioctl =	lo_compat_ioctl,
+	.compat_ioctl =	lo_compat_ioctl,
 #endif
 };
 
-- 
GitLab


From a8cdc308c0ca3809e37e2be62174906a45b92670 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:33:33 -0500
Subject: [PATCH 1642/2224] [PATCH] switch nbd

NB: nbd_ioctl() appears to be racy; BKL is held, but doesn't really
help, AFAICS.  Left as-is for now, but it'll need fixing.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/nbd.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 36015e0945b..d3a91cacee8 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -557,10 +557,11 @@ static void do_nbd_request(struct request_queue * q)
 	}
 }
 
-static int nbd_ioctl(struct inode *inode, struct file *file,
+static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
 		     unsigned int cmd, unsigned long arg)
 {
-	struct nbd_device *lo = inode->i_bdev->bd_disk->private_data;
+	struct nbd_device *lo = bdev->bd_disk->private_data;
+	struct file *file;
 	int error;
 	struct request sreq ;
 	struct task_struct *thread;
@@ -612,8 +613,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		error = -EINVAL;
 		file = fget(arg);
 		if (file) {
-			struct block_device *bdev = inode->i_bdev;
-			inode = file->f_path.dentry->d_inode;
+			struct inode *inode = file->f_path.dentry->d_inode;
 			if (S_ISSOCK(inode->i_mode)) {
 				lo->file = file;
 				lo->sock = SOCKET_I(inode);
@@ -628,14 +628,14 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 	case NBD_SET_BLKSIZE:
 		lo->blksize = arg;
 		lo->bytesize &= ~(lo->blksize-1);
-		inode->i_bdev->bd_inode->i_size = lo->bytesize;
-		set_blocksize(inode->i_bdev, lo->blksize);
+		bdev->bd_inode->i_size = lo->bytesize;
+		set_blocksize(bdev, lo->blksize);
 		set_capacity(lo->disk, lo->bytesize >> 9);
 		return 0;
 	case NBD_SET_SIZE:
 		lo->bytesize = arg & ~(lo->blksize-1);
-		inode->i_bdev->bd_inode->i_size = lo->bytesize;
-		set_blocksize(inode->i_bdev, lo->blksize);
+		bdev->bd_inode->i_size = lo->bytesize;
+		set_blocksize(bdev, lo->blksize);
 		set_capacity(lo->disk, lo->bytesize >> 9);
 		return 0;
 	case NBD_SET_TIMEOUT:
@@ -643,8 +643,8 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		return 0;
 	case NBD_SET_SIZE_BLOCKS:
 		lo->bytesize = ((u64) arg) * lo->blksize;
-		inode->i_bdev->bd_inode->i_size = lo->bytesize;
-		set_blocksize(inode->i_bdev, lo->blksize);
+		bdev->bd_inode->i_size = lo->bytesize;
+		set_blocksize(bdev, lo->blksize);
 		set_capacity(lo->disk, lo->bytesize >> 9);
 		return 0;
 	case NBD_DO_IT:
@@ -666,10 +666,10 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		if (file)
 			fput(file);
 		lo->bytesize = 0;
-		inode->i_bdev->bd_inode->i_size = 0;
+		bdev->bd_inode->i_size = 0;
 		set_capacity(lo->disk, 0);
 		if (max_part > 0)
-			ioctl_by_bdev(inode->i_bdev, BLKRRPART, 0);
+			ioctl_by_bdev(bdev, BLKRRPART, 0);
 		return lo->harderror;
 	case NBD_CLEAR_QUE:
 		/*
@@ -680,7 +680,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 		return 0;
 	case NBD_PRINT_DEBUG:
 		printk(KERN_INFO "%s: next = %p, prev = %p, head = %p\n",
-			inode->i_bdev->bd_disk->disk_name,
+			bdev->bd_disk->disk_name,
 			lo->queue_head.next, lo->queue_head.prev,
 			&lo->queue_head);
 		return 0;
@@ -691,7 +691,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file,
 static struct block_device_operations nbd_fops =
 {
 	.owner =	THIS_MODULE,
-	.__ioctl =	nbd_ioctl,
+	.locked_ioctl =	nbd_ioctl,
 };
 
 /*
-- 
GitLab


From c9acf903e0312dcac3a135c37303adc15e6162a9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:35:06 -0500
Subject: [PATCH 1643/2224] [PATCH] switch pcd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/paride/pcd.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 6e6dcc1d432..e91d4b4b014 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -223,25 +223,24 @@ static int pcd_warned;		/* Have we logged a phase warning ? */
 
 /* kernel glue structures */
 
-static int pcd_block_open(struct inode *inode, struct file *file)
+static int pcd_block_open(struct block_device *bdev, fmode_t mode)
 {
-	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_open(&cd->info, inode->i_bdev, file->f_mode);
+	struct pcd_unit *cd = bdev->bd_disk->private_data;
+	return cdrom_open(&cd->info, bdev, mode);
 }
 
-static int pcd_block_release(struct inode *inode, struct file *file)
+static int pcd_block_release(struct gendisk *disk, fmode_t mode)
 {
-	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	cdrom_release(&cd->info, file ? file->f_mode : 0);
+	struct pcd_unit *cd = disk->private_data;
+	cdrom_release(&cd->info, mode);
 	return 0;
 }
 
-static int pcd_block_ioctl(struct inode *inode, struct file *file,
+static int pcd_block_ioctl(struct block_device *bdev, fmode_t mode,
 				unsigned cmd, unsigned long arg)
 {
-	struct pcd_unit *cd = inode->i_bdev->bd_disk->private_data;
-	return cdrom_ioctl(&cd->info, inode->i_bdev,
-			   file ? file->f_mode : 0, cmd, arg);
+	struct pcd_unit *cd = bdev->bd_disk->private_data;
+	return cdrom_ioctl(&cd->info, bdev, mode, cmd, arg);
 }
 
 static int pcd_block_media_changed(struct gendisk *disk)
@@ -252,9 +251,9 @@ static int pcd_block_media_changed(struct gendisk *disk)
 
 static struct block_device_operations pcd_bdops = {
 	.owner		= THIS_MODULE,
-	.__open		= pcd_block_open,
-	.__release	= pcd_block_release,
-	.__ioctl		= pcd_block_ioctl,
+	.open		= pcd_block_open,
+	.release	= pcd_block_release,
+	.locked_ioctl	= pcd_block_ioctl,
 	.media_changed	= pcd_block_media_changed,
 };
 
-- 
GitLab


From b6a895307a6a8d8c294c57d319ec05286d181dac Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:35:54 -0500
Subject: [PATCH 1644/2224] [PATCH] switch pd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/paride/pd.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index b3023844947..9299455b0af 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -728,9 +728,9 @@ static int pd_special_command(struct pd_unit *disk,
 
 /* kernel glue structures */
 
-static int pd_open(struct inode *inode, struct file *file)
+static int pd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct pd_unit *disk = inode->i_bdev->bd_disk->private_data;
+	struct pd_unit *disk = bdev->bd_disk->private_data;
 
 	disk->access++;
 
@@ -758,10 +758,10 @@ static int pd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int pd_ioctl(struct inode *inode, struct file *file,
+static int pd_ioctl(struct block_device *bdev, fmode_t mode,
 	 unsigned int cmd, unsigned long arg)
 {
-	struct pd_unit *disk = inode->i_bdev->bd_disk->private_data;
+	struct pd_unit *disk = bdev->bd_disk->private_data;
 
 	switch (cmd) {
 	case CDROMEJECT:
@@ -773,9 +773,9 @@ static int pd_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
-static int pd_release(struct inode *inode, struct file *file)
+static int pd_release(struct gendisk *p, fmode_t mode)
 {
-	struct pd_unit *disk = inode->i_bdev->bd_disk->private_data;
+	struct pd_unit *disk = p->private_data;
 
 	if (!--disk->access && disk->removable)
 		pd_special_command(disk, pd_door_unlock);
@@ -807,9 +807,9 @@ static int pd_revalidate(struct gendisk *p)
 
 static struct block_device_operations pd_fops = {
 	.owner		= THIS_MODULE,
-	.__open		= pd_open,
-	.__release	= pd_release,
-	.__ioctl		= pd_ioctl,
+	.open		= pd_open,
+	.release	= pd_release,
+	.locked_ioctl	= pd_ioctl,
 	.getgeo		= pd_getgeo,
 	.media_changed	= pd_check_media,
 	.revalidate_disk= pd_revalidate
-- 
GitLab


From 8cfc7ca40c41e6cb9ee96c149d5b928564d635e4 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 09:36:16 -0500
Subject: [PATCH 1645/2224] [PATCH] switch pf

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/paride/pf.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index e08ca5161ad..bef3b997ba3 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -201,13 +201,13 @@ module_param_array(drive3, int, NULL, 0);
 #define ATAPI_READ_10		0x28
 #define ATAPI_WRITE_10		0x2a
 
-static int pf_open(struct inode *inode, struct file *file);
+static int pf_open(struct block_device *bdev, fmode_t mode);
 static void do_pf_request(struct request_queue * q);
-static int pf_ioctl(struct inode *inode, struct file *file,
+static int pf_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long arg);
 static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
-static int pf_release(struct inode *inode, struct file *file);
+static int pf_release(struct gendisk *disk, fmode_t mode);
 
 static int pf_detect(void);
 static void do_pf_read(void);
@@ -264,9 +264,9 @@ static char *pf_buf;		/* buffer for request in progress */
 
 static struct block_device_operations pf_fops = {
 	.owner		= THIS_MODULE,
-	.__open		= pf_open,
-	.__release	= pf_release,
-	.__ioctl		= pf_ioctl,
+	.open		= pf_open,
+	.release	= pf_release,
+	.locked_ioctl	= pf_ioctl,
 	.getgeo		= pf_getgeo,
 	.media_changed	= pf_check_media,
 };
@@ -296,16 +296,16 @@ static void __init pf_init_units(void)
 	}
 }
 
-static int pf_open(struct inode *inode, struct file *file)
+static int pf_open(struct block_device *bdev, fmode_t mode)
 {
-	struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
+	struct pf_unit *pf = bdev->bd_disk->private_data;
 
 	pf_identify(pf);
 
 	if (pf->media_status == PF_NM)
 		return -ENODEV;
 
-	if ((pf->media_status == PF_RO) && (file->f_mode & FMODE_WRITE))
+	if ((pf->media_status == PF_RO) && (mode & FMODE_WRITE))
 		return -EROFS;
 
 	pf->access++;
@@ -333,9 +333,9 @@ static int pf_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int pf_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
 {
-	struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
+	struct pf_unit *pf = bdev->bd_disk->private_data;
 
 	if (cmd != CDROMEJECT)
 		return -EINVAL;
@@ -346,9 +346,9 @@ static int pf_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
 	return 0;
 }
 
-static int pf_release(struct inode *inode, struct file *file)
+static int pf_release(struct gendisk *disk, fmode_t mode)
 {
-	struct pf_unit *pf = inode->i_bdev->bd_disk->private_data;
+	struct pf_unit *pf = disk->private_data;
 
 	if (pf->access <= 0)
 		return -EINVAL;
-- 
GitLab


From 5e5e007c25009c304af693b7fc49bab8d1d25801 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:15:10 -0500
Subject: [PATCH 1646/2224] [PATCH] switch pktdvdcd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/pktcdvd.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 33ac8ddf491..90548da9c1c 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2411,7 +2411,7 @@ static struct pktcdvd_device *pkt_find_dev_from_minor(int dev_minor)
 	return pkt_devs[dev_minor];
 }
 
-static int pkt_open(struct inode *inode, struct file *file)
+static int pkt_open(struct block_device *bdev, fmode_t mode)
 {
 	struct pktcdvd_device *pd = NULL;
 	int ret;
@@ -2419,7 +2419,7 @@ static int pkt_open(struct inode *inode, struct file *file)
 	VPRINTK(DRIVER_NAME": entering open\n");
 
 	mutex_lock(&ctl_mutex);
-	pd = pkt_find_dev_from_minor(iminor(inode));
+	pd = pkt_find_dev_from_minor(MINOR(bdev->bd_dev));
 	if (!pd) {
 		ret = -ENODEV;
 		goto out;
@@ -2428,20 +2428,20 @@ static int pkt_open(struct inode *inode, struct file *file)
 
 	pd->refcnt++;
 	if (pd->refcnt > 1) {
-		if ((file->f_mode & FMODE_WRITE) &&
+		if ((mode & FMODE_WRITE) &&
 		    !test_bit(PACKET_WRITABLE, &pd->flags)) {
 			ret = -EBUSY;
 			goto out_dec;
 		}
 	} else {
-		ret = pkt_open_dev(pd, file->f_mode & FMODE_WRITE);
+		ret = pkt_open_dev(pd, mode & FMODE_WRITE);
 		if (ret)
 			goto out_dec;
 		/*
 		 * needed here as well, since ext2 (among others) may change
 		 * the blocksize at mount time
 		 */
-		set_blocksize(inode->i_bdev, CD_FRAMESIZE);
+		set_blocksize(bdev, CD_FRAMESIZE);
 	}
 
 	mutex_unlock(&ctl_mutex);
@@ -2455,9 +2455,9 @@ out:
 	return ret;
 }
 
-static int pkt_close(struct inode *inode, struct file *file)
+static int pkt_close(struct gendisk *disk, fmode_t mode)
 {
-	struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data;
+	struct pktcdvd_device *pd = disk->private_data;
 	int ret = 0;
 
 	mutex_lock(&ctl_mutex);
@@ -2796,11 +2796,12 @@ out_mem:
 	return ret;
 }
 
-static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg)
 {
-	struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data;
+	struct pktcdvd_device *pd = bdev->bd_disk->private_data;
 
-	VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd, imajor(inode), iminor(inode));
+	VPRINTK("pkt_ioctl: cmd %x, dev %d:%d\n", cmd,
+		MAJOR(bdev->bd_dev), MINOR(bdev->bd_dev));
 
 	switch (cmd) {
 	case CDROMEJECT:
@@ -2819,8 +2820,7 @@ static int pkt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
 	case CDROM_LAST_WRITTEN:
 	case CDROM_SEND_PACKET:
 	case SCSI_IOCTL_SEND_COMMAND:
-		return __blkdev_driver_ioctl(pd->bdev, file ? file->f_mode : 0,
-					cmd, arg);
+		return __blkdev_driver_ioctl(pd->bdev, mode, cmd, arg);
 
 	default:
 		VPRINTK(DRIVER_NAME": Unknown ioctl for %s (%x)\n", pd->name, cmd);
@@ -2847,9 +2847,9 @@ static int pkt_media_changed(struct gendisk *disk)
 
 static struct block_device_operations pktcdvd_ops = {
 	.owner =		THIS_MODULE,
-	.__open =			pkt_open,
-	.__release =		pkt_close,
-	.__ioctl =		pkt_ioctl,
+	.open =			pkt_open,
+	.release =		pkt_close,
+	.locked_ioctl =		pkt_ioctl,
 	.media_changed =	pkt_media_changed,
 };
 
-- 
GitLab


From b4d9a4425bde774ab30f0f43da60bb4ed3508903 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:20:44 -0500
Subject: [PATCH 1647/2224] [PATCH] switch swim3

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/swim3.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 9398af86a7a..612965307ba 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -244,10 +244,10 @@ static int grab_drive(struct floppy_state *fs, enum swim_state state,
 		      int interruptible);
 static void release_drive(struct floppy_state *fs);
 static int fd_eject(struct floppy_state *fs);
-static int floppy_ioctl(struct inode *inode, struct file *filp,
+static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long param);
-static int floppy_open(struct inode *inode, struct file *filp);
-static int floppy_release(struct inode *inode, struct file *filp);
+static int floppy_open(struct block_device *bdev, fmode_t mode);
+static int floppy_release(struct gendisk *disk, fmode_t mode);
 static int floppy_check_change(struct gendisk *disk);
 static int floppy_revalidate(struct gendisk *disk);
 
@@ -839,10 +839,10 @@ static int fd_eject(struct floppy_state *fs)
 static struct floppy_struct floppy_type =
 	{ 2880,18,2,80,0,0x1B,0x00,0xCF,0x6C,NULL };	/*  7 1.44MB 3.5"   */
 
-static int floppy_ioctl(struct inode *inode, struct file *filp,
+static int floppy_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long param)
 {
-	struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
+	struct floppy_state *fs = bdev->bd_disk->private_data;
 	int err;
 		
 	if ((cmd & 0x80) && !capable(CAP_SYS_ADMIN))
@@ -868,9 +868,9 @@ static int floppy_ioctl(struct inode *inode, struct file *filp,
 	return -ENOTTY;
 }
 
-static int floppy_open(struct inode *inode, struct file *filp)
+static int floppy_open(struct block_device *bdev, fmode_t mode)
 {
-	struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
+	struct floppy_state *fs = bdev->bd_disk->private_data;
 	struct swim3 __iomem *sw = fs->swim3;
 	int n, err = 0;
 
@@ -904,17 +904,17 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		swim3_action(fs, SETMFM);
 		swim3_select(fs, RELAX);
 
-	} else if (fs->ref_count == -1 || filp->f_mode & FMODE_EXCL)
+	} else if (fs->ref_count == -1 || mode & FMODE_EXCL)
 		return -EBUSY;
 
-	if (err == 0 && (filp->f_mode & FMODE_NDELAY) == 0
-	    && (filp->f_mode & (FMODE_READ|FMODE_WRITE))) {
-		check_disk_change(inode->i_bdev);
+	if (err == 0 && (mode & FMODE_NDELAY) == 0
+	    && (mode & (FMODE_READ|FMODE_WRITE))) {
+		check_disk_change(bdev);
 		if (fs->ejected)
 			err = -ENXIO;
 	}
 
-	if (err == 0 && (filp->f_mode & FMODE_WRITE)) {
+	if (err == 0 && (mode & FMODE_WRITE)) {
 		if (fs->write_prot < 0)
 			fs->write_prot = swim3_readbit(fs, WRITE_PROT);
 		if (fs->write_prot)
@@ -930,7 +930,7 @@ static int floppy_open(struct inode *inode, struct file *filp)
 		return err;
 	}
 
-	if (filp->f_mode & FMODE_EXCL)
+	if (mode & FMODE_EXCL)
 		fs->ref_count = -1;
 	else
 		++fs->ref_count;
@@ -938,9 +938,9 @@ static int floppy_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-static int floppy_release(struct inode *inode, struct file *filp)
+static int floppy_release(struct gendisk *disk, fmode_t mode)
 {
-	struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
+	struct floppy_state *fs = disk->private_data;
 	struct swim3 __iomem *sw = fs->swim3;
 	if (fs->ref_count > 0 && --fs->ref_count == 0) {
 		swim3_action(fs, MOTOR_OFF);
@@ -998,9 +998,9 @@ static int floppy_revalidate(struct gendisk *disk)
 }
 
 static struct block_device_operations floppy_fops = {
-	.__open		= floppy_open,
-	.__release	= floppy_release,
-	.__ioctl		= floppy_ioctl,
+	.open		= floppy_open,
+	.release	= floppy_release,
+	.locked_ioctl	= floppy_ioctl,
 	.media_changed	= floppy_check_change,
 	.revalidate_disk= floppy_revalidate,
 };
-- 
GitLab


From 4099a96693ab58a95b3ecf19704973cd0f1bdf9d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:21:43 -0500
Subject: [PATCH 1648/2224] [PATCH] switch ub

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/ub.c | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 5261773407d..fccac18d311 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1667,10 +1667,9 @@ static void ub_revalidate(struct ub_dev *sc, struct ub_lun *lun)
  * This is mostly needed to keep refcounting, but also to support
  * media checks on removable media drives.
  */
-static int ub_bd_open(struct inode *inode, struct file *filp)
+static int ub_bd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ub_lun *lun = disk->private_data;
+	struct ub_lun *lun = bdev->bd_disk->private_data;
 	struct ub_dev *sc = lun->udev;
 	unsigned long flags;
 	int rc;
@@ -1684,19 +1683,19 @@ static int ub_bd_open(struct inode *inode, struct file *filp)
 	spin_unlock_irqrestore(&ub_lock, flags);
 
 	if (lun->removable || lun->readonly)
-		check_disk_change(inode->i_bdev);
+		check_disk_change(bdev);
 
 	/*
 	 * The sd.c considers ->media_present and ->changed not equivalent,
 	 * under some pretty murky conditions (a failure of READ CAPACITY).
 	 * We may need it one day.
 	 */
-	if (lun->removable && lun->changed && !(filp->f_mode & FMODE_NDELAY)) {
+	if (lun->removable && lun->changed && !(mode & FMODE_NDELAY)) {
 		rc = -ENOMEDIUM;
 		goto err_open;
 	}
 
-	if (lun->readonly && (filp->f_mode & FMODE_WRITE)) {
+	if (lun->readonly && (mode & FMODE_WRITE)) {
 		rc = -EROFS;
 		goto err_open;
 	}
@@ -1710,9 +1709,8 @@ err_open:
 
 /*
  */
-static int ub_bd_release(struct inode *inode, struct file *filp)
+static int ub_bd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct ub_lun *lun = disk->private_data;
 	struct ub_dev *sc = lun->udev;
 
@@ -1723,13 +1721,13 @@ static int ub_bd_release(struct inode *inode, struct file *filp)
 /*
  * The ioctl interface.
  */
-static int ub_bd_ioctl(struct inode *inode, struct file *filp,
+static int ub_bd_ioctl(struct block_device *bdev, fmode_t mode,
     unsigned int cmd, unsigned long arg)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	void __user *usermem = (void __user *) arg;
 
-	return scsi_cmd_ioctl(disk->queue, disk, filp ? filp->f_mode : 0, cmd, usermem);
+	return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, usermem);
 }
 
 /*
@@ -1791,9 +1789,9 @@ static int ub_bd_media_changed(struct gendisk *disk)
 
 static struct block_device_operations ub_bd_fops = {
 	.owner		= THIS_MODULE,
-	.__open		= ub_bd_open,
-	.__release	= ub_bd_release,
-	.__ioctl		= ub_bd_ioctl,
+	.open		= ub_bd_open,
+	.release	= ub_bd_release,
+	.locked_ioctl	= ub_bd_ioctl,
 	.media_changed	= ub_bd_media_changed,
 	.revalidate_disk = ub_bd_revalidate,
 };
-- 
GitLab


From f115a14ae43242b485ed5995a0746e6db59951f2 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:22:07 -0500
Subject: [PATCH 1649/2224] [PATCH] switch viodasd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/viodasd.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index 7f7beec29eb..ecccf65dce2 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -130,15 +130,15 @@ struct viodasd_device {
 /*
  * External open entry point.
  */
-static int viodasd_open(struct inode *ino, struct file *fil)
+static int viodasd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct viodasd_device *d = ino->i_bdev->bd_disk->private_data;
+	struct viodasd_device *d = bdev->bd_disk->private_data;
 	HvLpEvent_Rc hvrc;
 	struct viodasd_waitevent we;
 	u16 flags = 0;
 
 	if (d->read_only) {
-		if ((fil != NULL) && (fil->f_mode & FMODE_WRITE))
+		if (mode & FMODE_WRITE)
 			return -EROFS;
 		flags = vioblockflags_ro;
 	}
@@ -179,9 +179,9 @@ static int viodasd_open(struct inode *ino, struct file *fil)
 /*
  * External release entry point.
  */
-static int viodasd_release(struct inode *ino, struct file *fil)
+static int viodasd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct viodasd_device *d = ino->i_bdev->bd_disk->private_data;
+	struct viodasd_device *d = disk->private_data;
 	HvLpEvent_Rc hvrc;
 
 	/* Send the event to OS/400.  We DON'T expect a response */
@@ -221,8 +221,8 @@ static int viodasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
  */
 static struct block_device_operations viodasd_fops = {
 	.owner = THIS_MODULE,
-	.__open = viodasd_open,
-	.__release = viodasd_release,
+	.open = viodasd_open,
+	.release = viodasd_release,
 	.getgeo = viodasd_getgeo,
 };
 
-- 
GitLab


From 4e1098529816994fc1513050cd52bbe6e0dbf2cc Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:22:33 -0500
Subject: [PATCH 1650/2224] [PATCH] switch virtio_blk

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/virtio_blk.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 10f157ea7b0..85d79a02d48 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -146,11 +146,11 @@ static void do_virtblk_request(struct request_queue *q)
 		vblk->vq->vq_ops->kick(vblk->vq);
 }
 
-static int virtblk_ioctl(struct inode *inode, struct file *filp,
+static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
 			 unsigned cmd, unsigned long data)
 {
-	return scsi_cmd_ioctl(inode->i_bdev->bd_disk->queue,
-			      inode->i_bdev->bd_disk, filp->f_mode, cmd,
+	return scsi_cmd_ioctl(bdev->bd_disk->queue,
+			      bdev->bd_disk, mode, cmd,
 			      (void __user *)data);
 }
 
@@ -180,7 +180,7 @@ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
 }
 
 static struct block_device_operations virtblk_fops = {
-	.__ioctl  = virtblk_ioctl,
+	.locked_ioctl = virtblk_ioctl,
 	.owner  = THIS_MODULE,
 	.getgeo = virtblk_getgeo,
 };
-- 
GitLab


From 961846ca5aae2f39d061e057ae6ad0b54b134008 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:23:12 -0500
Subject: [PATCH 1651/2224] [PATCH] switch xd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/xd.c | 4 ++--
 drivers/block/xd.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 316fa1da4b9..64b496fce98 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -132,7 +132,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
 
 static struct block_device_operations xd_fops = {
 	.owner	= THIS_MODULE,
-	.__ioctl	= xd_ioctl,
+	.locked_ioctl	= xd_ioctl,
 	.getgeo = xd_getgeo,
 };
 static DECLARE_WAIT_QUEUE_HEAD(xd_wait_int);
@@ -343,7 +343,7 @@ static int xd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 }
 
 /* xd_ioctl: handle device ioctl's */
-static int xd_ioctl (struct inode *inode,struct file *file,u_int cmd,u_long arg)
+static int xd_ioctl(struct block_device *bdev, fmode_t mode, u_int cmd, u_long arg)
 {
 	switch (cmd) {
 		case HDIO_SET_DMA:
diff --git a/drivers/block/xd.h b/drivers/block/xd.h
index cffd44a2038..37cacef16e9 100644
--- a/drivers/block/xd.h
+++ b/drivers/block/xd.h
@@ -105,7 +105,7 @@ static u_char xd_detect (u_char *controller, unsigned int *address);
 static u_char xd_initdrives (void (*init_drive)(u_char drive));
 
 static void do_xd_request (struct request_queue * q);
-static int xd_ioctl (struct inode *inode,struct file *file,unsigned int cmd,unsigned long arg);
+static int xd_ioctl (struct block_device *bdev,fmode_t mode,unsigned int cmd,unsigned long arg);
 static int xd_readwrite (u_char operation,XD_INFO *disk,char *buffer,u_int block,u_int count);
 static void xd_recalibrate (u_char drive);
 
-- 
GitLab


From a63c848b04052acac653d6164160488d6c52ff9e Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:23:47 -0500
Subject: [PATCH 1652/2224] [PATCH] switch xen

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/xen-blkfront.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 7efac80c8dd..b220c686089 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -156,11 +156,10 @@ static int blkif_getgeo(struct block_device *bd, struct hd_geometry *hg)
 	return 0;
 }
 
-static int blkif_ioctl(struct inode *inode, struct file *filep,
+static int blkif_ioctl(struct block_device *bdev, fmode_t mode,
 		       unsigned command, unsigned long argument)
 {
-	struct blkfront_info *info =
-		inode->i_bdev->bd_disk->private_data;
+	struct blkfront_info *info = bdev->bd_disk->private_data;
 	int i;
 
 	dev_dbg(&info->xbdev->dev, "command: 0x%x, argument: 0x%lx\n",
@@ -1014,16 +1013,16 @@ static int blkfront_is_ready(struct xenbus_device *dev)
 	return info->is_ready;
 }
 
-static int blkif_open(struct inode *inode, struct file *filep)
+static int blkif_open(struct block_device *bdev, fmode_t mode)
 {
-	struct blkfront_info *info = inode->i_bdev->bd_disk->private_data;
+	struct blkfront_info *info = bdev->bd_disk->private_data;
 	info->users++;
 	return 0;
 }
 
-static int blkif_release(struct inode *inode, struct file *filep)
+static int blkif_release(struct gendisk *disk, fmode_t mode)
 {
-	struct blkfront_info *info = inode->i_bdev->bd_disk->private_data;
+	struct blkfront_info *info = disk->private_data;
 	info->users--;
 	if (info->users == 0) {
 		/* Check whether we have been instructed to close.  We will
@@ -1041,10 +1040,10 @@ static int blkif_release(struct inode *inode, struct file *filep)
 static struct block_device_operations xlvbd_block_fops =
 {
 	.owner = THIS_MODULE,
-	.__open = blkif_open,
-	.__release = blkif_release,
+	.open = blkif_open,
+	.release = blkif_release,
 	.getgeo = blkif_getgeo,
-	.ioctl = blkif_ioctl,
+	.locked_ioctl = blkif_ioctl,
 };
 
 
-- 
GitLab


From f3f68b367389bcbe1823e6e775f4ec32d7d69b40 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:24:18 -0500
Subject: [PATCH 1653/2224] [PATCH] switch xyspace

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/xsysace.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index e4efe5b7ec2..ecab9e67d47 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -870,25 +870,24 @@ static int ace_revalidate_disk(struct gendisk *gd)
 	return ace->id_result;
 }
 
-static int ace_open(struct inode *inode, struct file *filp)
+static int ace_open(struct block_device *bdev, fmode_t mode)
 {
-	struct ace_device *ace = inode->i_bdev->bd_disk->private_data;
+	struct ace_device *ace = bdev->bd_disk->private_data;
 	unsigned long flags;
 
 	dev_dbg(ace->dev, "ace_open() users=%i\n", ace->users + 1);
 
-	filp->private_data = ace;
 	spin_lock_irqsave(&ace->lock, flags);
 	ace->users++;
 	spin_unlock_irqrestore(&ace->lock, flags);
 
-	check_disk_change(inode->i_bdev);
+	check_disk_change(bdev);
 	return 0;
 }
 
-static int ace_release(struct inode *inode, struct file *filp)
+static int ace_release(struct gendisk *disk, fmode_t mode)
 {
-	struct ace_device *ace = inode->i_bdev->bd_disk->private_data;
+	struct ace_device *ace = disk->private_data;
 	unsigned long flags;
 	u16 val;
 
@@ -919,8 +918,8 @@ static int ace_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 
 static struct block_device_operations ace_fops = {
 	.owner = THIS_MODULE,
-	.__open = ace_open,
-	.__release = ace_release,
+	.open = ace_open,
+	.release = ace_release,
 	.media_changed = ace_media_changed,
 	.revalidate_disk = ace_revalidate_disk,
 	.getgeo = ace_getgeo,
-- 
GitLab


From ab746cb9386313201f2e0060e85a30781047dee1 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:24:45 -0500
Subject: [PATCH 1654/2224] [PATCH] switch z2ram

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/z2ram.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index 4860d0f3687..80754cdd311 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -137,8 +137,7 @@ get_chipram( void )
     return;
 }
 
-static int
-z2_open( struct inode *inode, struct file *filp )
+static int z2_open(struct block_device *bdev, fmode_t mode)
 {
     int device;
     int max_z2_map = ( Z2RAM_SIZE / Z2RAM_CHUNKSIZE ) *
@@ -147,7 +146,7 @@ z2_open( struct inode *inode, struct file *filp )
 	sizeof( z2ram_map[0] );
     int rc = -ENOMEM;
 
-    device = iminor(inode);
+    device = MINOR(bdev->bd_dev);
 
     if ( current_device != -1 && current_device != device )
     {
@@ -299,7 +298,7 @@ err_out:
 }
 
 static int
-z2_release( struct inode *inode, struct file *filp )
+z2_release(struct gendisk *disk, fmode_t mode)
 {
     if ( current_device == -1 )
 	return 0;     
@@ -314,8 +313,8 @@ z2_release( struct inode *inode, struct file *filp )
 static struct block_device_operations z2_fops =
 {
 	.owner		= THIS_MODULE,
-	.__open		= z2_open,
-	.__release	= z2_release,
+	.open		= z2_open,
+	.release	= z2_release,
 };
 
 static struct kobject *z2_find(dev_t dev, int *part, void *data)
-- 
GitLab


From 8389feb4a8b9c29836c320e51677bd4650713fa8 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:25:18 -0500
Subject: [PATCH 1655/2224] [PATCH] switch gdrom

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/cdrom/gdrom.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index ab0c637f58b..9aaa86b232b 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -490,14 +490,14 @@ static struct cdrom_device_ops gdrom_ops = {
 	.n_minors		= 1,
 };
 
-static int gdrom_bdops_open(struct inode *inode, struct file *file)
+static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode)
 {
-	return cdrom_open(gd.cd_info, inode->i_bdev, file->f_mode);
+	return cdrom_open(gd.cd_info, bdev, mode);
 }
 
-static int gdrom_bdops_release(struct inode *inode, struct file *file)
+static int gdrom_bdops_release(struct block_device *bdev, fmode_t mode)
 {
-	return cdrom_release(gd.cd_info, file ? file->f_mode : 0);
+	return cdrom_release(gd.cd_info, mode);
 }
 
 static int gdrom_bdops_mediachanged(struct gendisk *disk)
@@ -505,19 +505,18 @@ static int gdrom_bdops_mediachanged(struct gendisk *disk)
 	return cdrom_media_changed(gd.cd_info);
 }
 
-static int gdrom_bdops_ioctl(struct inode *inode, struct file *file,
+static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode,
 	unsigned cmd, unsigned long arg)
 {
-	return cdrom_ioctl(gd.cd_info, inode->i_bdev,
-			file ? file->f_mode : 0, cmd, arg);
+	return cdrom_ioctl(gd.cd_info, bdev, mode, cmd, arg);
 }
 
 static struct block_device_operations gdrom_bdops = {
 	.owner			= THIS_MODULE,
-	.__open			= gdrom_bdops_open,
-	.__release		= gdrom_bdops_release,
+	.open			= gdrom_bdops_open,
+	.release		= gdrom_bdops_release,
 	.media_changed		= gdrom_bdops_mediachanged,
-	.__ioctl			= gdrom_bdops_ioctl,
+	.locked_ioctl		= gdrom_bdops_ioctl,
 };
 
 static irqreturn_t gdrom_command_interrupt(int irq, void *dev_id)
-- 
GitLab


From 4e379ae6a6b6c7b0c4274476af807ffffe42534f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:25:44 -0500
Subject: [PATCH 1656/2224] [PATCH] switch viocd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/cdrom/viocd.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index 57c2dced3e9..13929356135 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -151,25 +151,24 @@ static const struct file_operations proc_viocd_operations = {
 	.release	= single_release,
 };
 
-static int viocd_blk_open(struct inode *inode, struct file *file)
+static int viocd_blk_open(struct block_device *bdev, fmode_t mode)
 {
-	struct disk_info *di = inode->i_bdev->bd_disk->private_data;
-	return cdrom_open(&di->viocd_info, inode->i_bdev, file->f_mode);
+	struct disk_info *di = bdev->bd_disk->private_data;
+	return cdrom_open(&di->viocd_info, bdev, mode);
 }
 
-static int viocd_blk_release(struct inode *inode, struct file *file)
+static int viocd_blk_release(struct gendisk *disk, fmode_t mode)
 {
-	struct disk_info *di = inode->i_bdev->bd_disk->private_data;
-	cdrom_release(&di->viocd_info, file ? file->f_mode : 0);
+	struct disk_info *di = disk->private_data;
+	cdrom_release(&di->viocd_info, mode);
 	return 0;
 }
 
-static int viocd_blk_ioctl(struct inode *inode, struct file *file,
+static int viocd_blk_ioctl(struct block_device *bdev, fmode_t mode,
 		unsigned cmd, unsigned long arg)
 {
-	struct disk_info *di = inode->i_bdev->bd_disk->private_data;
-	return cdrom_ioctl(&di->viocd_info, inode->i_bdev,
-			   file ? file->f_mode : 0, cmd, arg);
+	struct disk_info *di = bdev->bd_disk->private_data;
+	return cdrom_ioctl(&di->viocd_info, bdev, mode, cmd, arg);
 }
 
 static int viocd_blk_media_changed(struct gendisk *disk)
@@ -180,9 +179,9 @@ static int viocd_blk_media_changed(struct gendisk *disk)
 
 struct block_device_operations viocd_fops = {
 	.owner =		THIS_MODULE,
-	.__open =			viocd_blk_open,
-	.__release =		viocd_blk_release,
-	.__ioctl =		viocd_blk_ioctl,
+	.open =			viocd_blk_open,
+	.release =		viocd_blk_release,
+	.locked_ioctl =		viocd_blk_ioctl,
 	.media_changed =	viocd_blk_media_changed,
 };
 
-- 
GitLab


From 488ca606f1277ae183c9c6a328adaecae54e1930 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:26:23 -0500
Subject: [PATCH 1657/2224] [PATCH] switch ide-cd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/ide/ide-cd.c | 25 ++++++++++---------------
 1 file changed, 10 insertions(+), 15 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 3533984355a..133afd09843 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -2089,17 +2089,15 @@ static ide_driver_t ide_cdrom_driver = {
 #endif
 };
 
-static int idecd_open(struct inode *inode, struct file *file)
+static int idecd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct cdrom_info *info;
+	struct cdrom_info *info = ide_cd_get(bdev->bd_disk);
 	int rc = -ENOMEM;
 
-	info = ide_cd_get(disk);
 	if (!info)
 		return -ENXIO;
 
-	rc = cdrom_open(&info->devinfo, inode->i_bdev, file->f_mode);
+	rc = cdrom_open(&info->devinfo, bdev, mode);
 
 	if (rc < 0)
 		ide_cd_put(info);
@@ -2107,12 +2105,11 @@ static int idecd_open(struct inode *inode, struct file *file)
 	return rc;
 }
 
-static int idecd_release(struct inode *inode, struct file *file)
+static int idecd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
 
-	cdrom_release(&info->devinfo, file ? file->f_mode : 0);
+	cdrom_release(&info->devinfo, mode);
 
 	ide_cd_put(info);
 
@@ -2158,10 +2155,9 @@ static int idecd_get_spindown(struct cdrom_device_info *cdi, unsigned long arg)
 	return 0;
 }
 
-static int idecd_ioctl(struct inode *inode, struct file *file,
+static int idecd_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct cdrom_info *info = ide_drv_g(bdev->bd_disk, cdrom_info);
 	int err;
 
@@ -2176,8 +2172,7 @@ static int idecd_ioctl(struct inode *inode, struct file *file,
 
 	err = generic_ide_ioctl(info->drive, bdev, cmd, arg);
 	if (err == -EINVAL)
-		err = cdrom_ioctl(&info->devinfo, bdev,
-				  file ? file->f_mode : 0, cmd, arg);
+		err = cdrom_ioctl(&info->devinfo, bdev, mode, cmd, arg);
 
 	return err;
 }
@@ -2200,9 +2195,9 @@ static int idecd_revalidate_disk(struct gendisk *disk)
 
 static struct block_device_operations idecd_ops = {
 	.owner			= THIS_MODULE,
-	.__open			= idecd_open,
-	.__release		= idecd_release,
-	.__ioctl			= idecd_ioctl,
+	.open			= idecd_open,
+	.release		= idecd_release,
+	.locked_ioctl		= idecd_ioctl,
 	.media_changed		= idecd_media_changed,
 	.revalidate_disk	= idecd_revalidate_disk
 };
-- 
GitLab


From b2f21e057dfbaa12acca1e79d9aeb3d9169d2e2e Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 16 Oct 2008 10:34:00 -0400
Subject: [PATCH 1658/2224] [PATCH] switch ide-gd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/ide/ide-gd.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index d118bbed7cd..7b666285437 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -169,9 +169,9 @@ static ide_driver_t ide_gd_driver = {
 #endif
 };
 
-static int ide_gd_open(struct inode *inode, struct file *filp)
+static int ide_gd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct ide_disk_obj *idkp;
 	ide_drive_t *drive;
 	int ret = 0;
@@ -197,12 +197,12 @@ static int ide_gd_open(struct inode *inode, struct file *filp)
 		 * unreadable disk, so that we can get the format capacity
 		 * of the drive or begin the format - Sam
 		 */
-		if (ret && (filp->f_mode & FMODE_NDELAY) == 0) {
+		if (ret && (mode & FMODE_NDELAY) == 0) {
 			ret = -EIO;
 			goto out_put_idkp;
 		}
 
-		if ((drive->dev_flags & IDE_DFLAG_WP) && (filp->f_mode & FMODE_WRITE)) {
+		if ((drive->dev_flags & IDE_DFLAG_WP) && (mode & FMODE_WRITE)) {
 			ret = -EROFS;
 			goto out_put_idkp;
 		}
@@ -214,7 +214,7 @@ static int ide_gd_open(struct inode *inode, struct file *filp)
 		 */
 		drive->disk_ops->set_doorlock(drive, disk, 1);
 		drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED;
-		check_disk_change(inode->i_bdev);
+		check_disk_change(bdev);
 	} else if (drive->dev_flags & IDE_DFLAG_FORMAT_IN_PROGRESS) {
 		ret = -EBUSY;
 		goto out_put_idkp;
@@ -227,9 +227,8 @@ out_put_idkp:
 	return ret;
 }
 
-static int ide_gd_release(struct inode *inode, struct file *filp)
+static int ide_gd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 
@@ -286,21 +285,20 @@ static int ide_gd_revalidate_disk(struct gendisk *disk)
 	return 0;
 }
 
-static int ide_gd_ioctl(struct inode *inode, struct file *file,
+static int ide_gd_ioctl(struct block_device *bdev, fmode_t mode,
 			     unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
 	ide_drive_t *drive = idkp->drive;
 
-	return drive->disk_ops->ioctl(drive, bdev, file ? file->f_mode : 0, cmd, arg);
+	return drive->disk_ops->ioctl(drive, bdev, mode, cmd, arg);
 }
 
 static struct block_device_operations ide_gd_ops = {
 	.owner			= THIS_MODULE,
-	.__open			= ide_gd_open,
-	.__release		= ide_gd_release,
-	.__ioctl			= ide_gd_ioctl,
+	.open			= ide_gd_open,
+	.release		= ide_gd_release,
+	.locked_ioctl		= ide_gd_ioctl,
 	.getgeo			= ide_gd_getgeo,
 	.media_changed		= ide_gd_media_changed,
 	.revalidate_disk	= ide_gd_revalidate_disk
-- 
GitLab


From a4600f81393d685043fe2d485cf2b123301f467d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:27:58 -0500
Subject: [PATCH 1659/2224] [PATCH] switch ide-tape

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/ide/ide-tape.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index c5df53c4838..a2d470eb2b5 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -2340,32 +2340,27 @@ static const struct file_operations idetape_fops = {
 	.release	= idetape_chrdev_release,
 };
 
-static int idetape_open(struct inode *inode, struct file *filp)
+static int idetape_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_tape_obj *tape;
+	struct ide_tape_obj *tape = ide_tape_get(bdev->bd_disk);
 
-	tape = ide_tape_get(disk);
 	if (!tape)
 		return -ENXIO;
 
 	return 0;
 }
 
-static int idetape_release(struct inode *inode, struct file *filp)
+static int idetape_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct ide_tape_obj *tape = ide_drv_g(disk, ide_tape_obj);
 
 	ide_tape_put(tape);
-
 	return 0;
 }
 
-static int idetape_ioctl(struct inode *inode, struct file *file,
+static int idetape_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct ide_tape_obj *tape = ide_drv_g(bdev->bd_disk, ide_tape_obj);
 	ide_drive_t *drive = tape->drive;
 	int err = generic_ide_ioctl(drive, bdev, cmd, arg);
@@ -2376,9 +2371,9 @@ static int idetape_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations idetape_block_ops = {
 	.owner		= THIS_MODULE,
-	.__open		= idetape_open,
-	.__release	= idetape_release,
-	.__ioctl		= idetape_ioctl,
+	.open		= idetape_open,
+	.release	= idetape_release,
+	.locked_ioctl	= idetape_ioctl,
 };
 
 static int ide_tape_probe(ide_drive_t *drive)
-- 
GitLab


From fe5f9f2cd57c2ce56f36c66e87a10d4b7a158505 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:29:31 -0500
Subject: [PATCH 1660/2224] [PATCH] switch dm

ioctl() doesn't need BKL here

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/md/dm.c | 31 ++++++++++---------------------
 1 file changed, 10 insertions(+), 21 deletions(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 8b4c92b1b6d..dc48c2585fe 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -21,7 +21,6 @@
 #include <linux/idr.h>
 #include <linux/hdreg.h>
 #include <linux/blktrace_api.h>
-#include <linux/smp_lock.h>
 
 #define DM_MSG_PREFIX "core"
 
@@ -249,13 +248,13 @@ static void __exit dm_exit(void)
 /*
  * Block device functions
  */
-static int dm_blk_open(struct inode *inode, struct file *file)
+static int dm_blk_open(struct block_device *bdev, fmode_t mode)
 {
 	struct mapped_device *md;
 
 	spin_lock(&_minor_lock);
 
-	md = inode->i_bdev->bd_disk->private_data;
+	md = bdev->bd_disk->private_data;
 	if (!md)
 		goto out;
 
@@ -274,11 +273,9 @@ out:
 	return md ? 0 : -ENXIO;
 }
 
-static int dm_blk_close(struct inode *inode, struct file *file)
+static int dm_blk_close(struct gendisk *disk, fmode_t mode)
 {
-	struct mapped_device *md;
-
-	md = inode->i_bdev->bd_disk->private_data;
+	struct mapped_device *md = disk->private_data;
 	atomic_dec(&md->open_count);
 	dm_put(md);
 	return 0;
@@ -315,21 +312,14 @@ static int dm_blk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return dm_get_geometry(md, geo);
 }
 
-static int dm_blk_ioctl(struct inode *inode, struct file *file,
+static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
-	struct mapped_device *md;
-	struct dm_table *map;
+	struct mapped_device *md = bdev->bd_disk->private_data;
+	struct dm_table *map = dm_get_table(md);
 	struct dm_target *tgt;
 	int r = -ENOTTY;
 
-	/* We don't really need this lock, but we do need 'inode'. */
-	unlock_kernel();
-
-	md = inode->i_bdev->bd_disk->private_data;
-
-	map = dm_get_table(md);
-
 	if (!map || !dm_table_get_size(map))
 		goto out;
 
@@ -350,7 +340,6 @@ static int dm_blk_ioctl(struct inode *inode, struct file *file,
 out:
 	dm_table_put(map);
 
-	lock_kernel();
 	return r;
 }
 
@@ -1698,9 +1687,9 @@ int dm_noflush_suspending(struct dm_target *ti)
 EXPORT_SYMBOL_GPL(dm_noflush_suspending);
 
 static struct block_device_operations dm_blk_dops = {
-	.__open = dm_blk_open,
-	.__release = dm_blk_close,
-	.__ioctl = dm_blk_ioctl,
+	.open = dm_blk_open,
+	.release = dm_blk_close,
+	.ioctl = dm_blk_ioctl,
 	.getgeo = dm_blk_getgeo,
 	.owner = THIS_MODULE
 };
-- 
GitLab


From a39907fa2fdb73d3c0fb06eff06d855c3298d707 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:31:15 -0500
Subject: [PATCH 1661/2224] [PATCH] switch md

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/md/md.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 21b04d39ba3..06ea991c7a4 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4785,7 +4785,7 @@ static int md_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static int md_ioctl(struct inode *inode, struct file *file,
+static int md_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
 	int err = 0;
@@ -4823,7 +4823,7 @@ static int md_ioctl(struct inode *inode, struct file *file,
 	 * Commands creating/starting a new array:
 	 */
 
-	mddev = inode->i_bdev->bd_disk->private_data;
+	mddev = bdev->bd_disk->private_data;
 
 	if (!mddev) {
 		BUG();
@@ -4996,13 +4996,13 @@ abort:
 	return err;
 }
 
-static int md_open(struct inode *inode, struct file *file)
+static int md_open(struct block_device *bdev, fmode_t mode)
 {
 	/*
 	 * Succeed if we can lock the mddev, which confirms that
 	 * it isn't being stopped right now.
 	 */
-	mddev_t *mddev = inode->i_bdev->bd_disk->private_data;
+	mddev_t *mddev = bdev->bd_disk->private_data;
 	int err;
 
 	if ((err = mutex_lock_interruptible_nested(&mddev->reconfig_mutex, 1)))
@@ -5013,14 +5013,14 @@ static int md_open(struct inode *inode, struct file *file)
 	atomic_inc(&mddev->openers);
 	mddev_unlock(mddev);
 
-	check_disk_change(inode->i_bdev);
+	check_disk_change(bdev);
  out:
 	return err;
 }
 
-static int md_release(struct inode *inode, struct file * file)
+static int md_release(struct gendisk *disk, fmode_t mode)
 {
- 	mddev_t *mddev = inode->i_bdev->bd_disk->private_data;
+ 	mddev_t *mddev = disk->private_data;
 
 	BUG_ON(!mddev);
 	atomic_dec(&mddev->openers);
@@ -5046,9 +5046,9 @@ static int md_revalidate(struct gendisk *disk)
 static struct block_device_operations md_fops =
 {
 	.owner		= THIS_MODULE,
-	.__open		= md_open,
-	.__release	= md_release,
-	.__ioctl		= md_ioctl,
+	.open		= md_open,
+	.release	= md_release,
+	.locked_ioctl	= md_ioctl,
 	.getgeo		= md_getgeo,
 	.media_changed	= md_media_changed,
 	.revalidate_disk= md_revalidate,
-- 
GitLab


From 5d9a54b66584bdae90e88198ce763702545a68e7 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:31:38 -0500
Subject: [PATCH 1662/2224] [PATCH] switch memstick

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/memstick/core/mspro_block.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index fbe5919789d..7911151e56a 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -172,9 +172,9 @@ static int mspro_block_complete_req(struct memstick_dev *card, int error);
 
 /*** Block device ***/
 
-static int mspro_block_bd_open(struct inode *inode, struct file *filp)
+static int mspro_block_bd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct mspro_block_data *msb = disk->private_data;
 	int rc = -ENXIO;
 
@@ -182,7 +182,7 @@ static int mspro_block_bd_open(struct inode *inode, struct file *filp)
 
 	if (msb && msb->card) {
 		msb->usage_count++;
-		if ((filp->f_mode & FMODE_WRITE) && msb->read_only)
+		if ((mode & FMODE_WRITE) && msb->read_only)
 			rc = -EROFS;
 		else
 			rc = 0;
@@ -218,9 +218,8 @@ static int mspro_block_disk_release(struct gendisk *disk)
 	return 0;
 }
 
-static int mspro_block_bd_release(struct inode *inode, struct file *filp)
+static int mspro_block_bd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	return mspro_block_disk_release(disk);
 }
 
@@ -237,8 +236,8 @@ static int mspro_block_bd_getgeo(struct block_device *bdev,
 }
 
 static struct block_device_operations ms_block_bdops = {
-	.__open    = mspro_block_bd_open,
-	.__release = mspro_block_bd_release,
+	.open    = mspro_block_bd_open,
+	.release = mspro_block_bd_release,
 	.getgeo  = mspro_block_bd_getgeo,
 	.owner   = THIS_MODULE
 };
-- 
GitLab


From f3f6015bff7a15671bcadfac7215eb33a2bccc9d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:33:08 -0500
Subject: [PATCH 1663/2224] [PATCH] switch i2o

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/message/i2o/i2o_block.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index 71500dda8eb..11a617ab424 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -575,9 +575,9 @@ static void i2o_block_biosparam(unsigned long capacity, unsigned short *cyls,
  *
  *	Returns 0 on success or negative error code on failure.
  */
-static int i2o_block_open(struct inode *inode, struct file *file)
+static int i2o_block_open(struct block_device *bdev, fmode_t mode)
 {
-	struct i2o_block_device *dev = inode->i_bdev->bd_disk->private_data;
+	struct i2o_block_device *dev = bdev->bd_disk->private_data;
 
 	if (!dev->i2o_dev)
 		return -ENODEV;
@@ -604,9 +604,8 @@ static int i2o_block_open(struct inode *inode, struct file *file)
  *
  *	Returns 0 on success or negative error code on failure.
  */
-static int i2o_block_release(struct inode *inode, struct file *file)
+static int i2o_block_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct i2o_block_device *dev = disk->private_data;
 	u8 operation;
 
@@ -653,10 +652,10 @@ static int i2o_block_getgeo(struct block_device *bdev, struct hd_geometry *geo)
  *
  *	Return 0 on success or negative error on failure.
  */
-static int i2o_block_ioctl(struct inode *inode, struct file *file,
+static int i2o_block_ioctl(struct block_device *bdev, fmode_t mode,
 			   unsigned int cmd, unsigned long arg)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct i2o_block_device *dev = disk->private_data;
 
 	/* Anyone capable of this syscall can do *real bad* things */
@@ -931,9 +930,9 @@ static void i2o_block_request_fn(struct request_queue *q)
 /* I2O Block device operations definition */
 static struct block_device_operations i2o_block_fops = {
 	.owner = THIS_MODULE,
-	.__open = i2o_block_open,
-	.__release = i2o_block_release,
-	.__ioctl = i2o_block_ioctl,
+	.open = i2o_block_open,
+	.release = i2o_block_release,
+	.locked_ioctl = i2o_block_ioctl,
 	.getgeo = i2o_block_getgeo,
 	.media_changed = i2o_block_media_changed
 };
-- 
GitLab


From a5a1561f88fe8bfd7fdceed1d942ad494500b8a9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:33:30 -0500
Subject: [PATCH 1664/2224] [PATCH] switch mmc

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/mmc/card/block.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 8cba06f5e11..3d067c35185 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -92,18 +92,17 @@ static void mmc_blk_put(struct mmc_blk_data *md)
 	mutex_unlock(&open_lock);
 }
 
-static int mmc_blk_open(struct inode *inode, struct file *filp)
+static int mmc_blk_open(struct block_device *bdev, fmode_t mode)
 {
-	struct mmc_blk_data *md;
+	struct mmc_blk_data *md = mmc_blk_get(bdev->bd_disk);
 	int ret = -ENXIO;
 
-	md = mmc_blk_get(inode->i_bdev->bd_disk);
 	if (md) {
 		if (md->usage == 2)
-			check_disk_change(inode->i_bdev);
+			check_disk_change(bdev);
 		ret = 0;
 
-		if ((filp->f_mode & FMODE_WRITE) && md->read_only) {
+		if ((mode & FMODE_WRITE) && md->read_only) {
 			mmc_blk_put(md);
 			ret = -EROFS;
 		}
@@ -112,9 +111,9 @@ static int mmc_blk_open(struct inode *inode, struct file *filp)
 	return ret;
 }
 
-static int mmc_blk_release(struct inode *inode, struct file *filp)
+static int mmc_blk_release(struct gendisk *disk, fmode_t mode)
 {
-	struct mmc_blk_data *md = inode->i_bdev->bd_disk->private_data;
+	struct mmc_blk_data *md = disk->private_data;
 
 	mmc_blk_put(md);
 	return 0;
@@ -130,8 +129,8 @@ mmc_blk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 }
 
 static struct block_device_operations mmc_bdops = {
-	.__open			= mmc_blk_open,
-	.__release		= mmc_blk_release,
+	.open			= mmc_blk_open,
+	.release		= mmc_blk_release,
 	.getgeo			= mmc_blk_getgeo,
 	.owner			= THIS_MODULE,
 };
-- 
GitLab


From af0e2a0a87a7daeff9b77d82376c98fc6de3443f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:35:06 -0500
Subject: [PATCH 1665/2224] [PATCH] switch mtd_blkdevs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/mtd/mtd_blkdevs.c | 28 +++++++++++-----------------
 1 file changed, 11 insertions(+), 17 deletions(-)

diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index b00d07c5375..1409f01406f 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -133,15 +133,12 @@ static void mtd_blktrans_request(struct request_queue *rq)
 }
 
 
-static int blktrans_open(struct inode *i, struct file *f)
+static int blktrans_open(struct block_device *bdev, fmode_t mode)
 {
-	struct mtd_blktrans_dev *dev;
-	struct mtd_blktrans_ops *tr;
+	struct mtd_blktrans_dev *dev = bdev->bd_disk->private_data;
+	struct mtd_blktrans_ops *tr = dev->tr;
 	int ret = -ENODEV;
 
-	dev = i->i_bdev->bd_disk->private_data;
-	tr = dev->tr;
-
 	if (!try_module_get(dev->mtd->owner))
 		goto out;
 
@@ -164,15 +161,12 @@ static int blktrans_open(struct inode *i, struct file *f)
 	return ret;
 }
 
-static int blktrans_release(struct inode *i, struct file *f)
+static int blktrans_release(struct gendisk *disk, fmode_t mode)
 {
-	struct mtd_blktrans_dev *dev;
-	struct mtd_blktrans_ops *tr;
+	struct mtd_blktrans_dev *dev = disk->private_data;
+	struct mtd_blktrans_ops *tr = dev->tr;
 	int ret = 0;
 
-	dev = i->i_bdev->bd_disk->private_data;
-	tr = dev->tr;
-
 	if (tr->release)
 		ret = tr->release(dev);
 
@@ -194,10 +188,10 @@ static int blktrans_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return -ENOTTY;
 }
 
-static int blktrans_ioctl(struct inode *inode, struct file *file,
+static int blktrans_ioctl(struct block_device *bdev, fmode_t mode,
 			      unsigned int cmd, unsigned long arg)
 {
-	struct mtd_blktrans_dev *dev = inode->i_bdev->bd_disk->private_data;
+	struct mtd_blktrans_dev *dev = bdev->bd_disk->private_data;
 	struct mtd_blktrans_ops *tr = dev->tr;
 
 	switch (cmd) {
@@ -213,9 +207,9 @@ static int blktrans_ioctl(struct inode *inode, struct file *file,
 
 static struct block_device_operations mtd_blktrans_ops = {
 	.owner		= THIS_MODULE,
-	.__open		= blktrans_open,
-	.__release	= blktrans_release,
-	.__ioctl		= blktrans_ioctl,
+	.open		= blktrans_open,
+	.release	= blktrans_release,
+	.locked_ioctl	= blktrans_ioctl,
 	.getgeo		= blktrans_getgeo,
 };
 
-- 
GitLab


From 57a7c0bca009059d1d85bec608af70aa6c5f344c Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:36:08 -0500
Subject: [PATCH 1666/2224] [PATCH] switch dasd

->compat_ioctl() actually had been useless here; generic
logics works fine.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/s390/block/dasd.c       | 15 ++++++---------
 drivers/s390/block/dasd_int.h   |  3 +--
 drivers/s390/block/dasd_ioctl.c | 15 +--------------
 3 files changed, 8 insertions(+), 25 deletions(-)

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 6bf68e5fe89..4b76fca64a6 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2011,10 +2011,9 @@ static void dasd_flush_request_queue(struct dasd_block *block)
 	spin_unlock_irq(&block->request_queue_lock);
 }
 
-static int dasd_open(struct inode *inp, struct file *filp)
+static int dasd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inp->i_bdev->bd_disk;
-	struct dasd_block *block = disk->private_data;
+	struct dasd_block *block = bdev->bd_disk->private_data;
 	struct dasd_device *base = block->base;
 	int rc;
 
@@ -2052,9 +2051,8 @@ unlock:
 	return rc;
 }
 
-static int dasd_release(struct inode *inp, struct file *filp)
+static int dasd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inp->i_bdev->bd_disk;
 	struct dasd_block *block = disk->private_data;
 
 	atomic_dec(&block->open_count);
@@ -2087,10 +2085,9 @@ static int dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 struct block_device_operations
 dasd_device_operations = {
 	.owner		= THIS_MODULE,
-	.__open		= dasd_open,
-	.__release	= dasd_release,
-	.__ioctl		= dasd_ioctl,
-	.__compat_ioctl	= dasd_compat_ioctl,
+	.open		= dasd_open,
+	.release	= dasd_release,
+	.locked_ioctl	= dasd_ioctl,
 	.getgeo		= dasd_getgeo,
 };
 
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index 489d5fe488f..05a14536c36 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -610,8 +610,7 @@ int dasd_scan_partitions(struct dasd_block *);
 void dasd_destroy_partitions(struct dasd_block *);
 
 /* externals in dasd_ioctl.c */
-int  dasd_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
-long dasd_compat_ioctl(struct file *, unsigned int, unsigned long);
+int  dasd_ioctl(struct block_device *, fmode_t, unsigned int, unsigned long);
 
 /* externals in dasd_proc.c */
 int dasd_proc_init(void);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 91a64630cb0..b82d816d9ef 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -366,10 +366,9 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
 }
 
 int
-dasd_ioctl(struct inode *inode, struct file *file,
+dasd_ioctl(struct block_device *bdev, fmode_t mode,
 	   unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct dasd_block *block = bdev->bd_disk->private_data;
 	void __user *argp = (void __user *)arg;
 
@@ -421,15 +420,3 @@ dasd_ioctl(struct inode *inode, struct file *file,
 		return -EINVAL;
 	}
 }
-
-long
-dasd_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	int rval;
-
-	lock_kernel();
-	rval = dasd_ioctl(filp->f_path.dentry->d_inode, filp, cmd, arg);
-	unlock_kernel();
-
-	return (rval == -EINVAL) ? -ENOIOCTLCMD : rval;
-}
-- 
GitLab


From 46d74326e660b2878005d222fb3efbc4eaa1ea4a Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:37:41 -0500
Subject: [PATCH 1667/2224] [PATCH] switch dcssblk

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/s390/block/dcssblk.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 413460cc3dd..63f26a135fe 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -31,8 +31,8 @@
 #define PRINT_WARN(x...)  printk(KERN_WARNING DCSSBLK_NAME " warning: " x)
 #define PRINT_ERR(x...)	  printk(KERN_ERR DCSSBLK_NAME " error: " x)
 
-static int dcssblk_open(struct inode *inode, struct file *filp);
-static int dcssblk_release(struct inode *inode, struct file *filp);
+static int dcssblk_open(struct block_device *bdev, fmode_t mode);
+static int dcssblk_release(struct gendisk *disk, fmode_t mode);
 static int dcssblk_make_request(struct request_queue *q, struct bio *bio);
 static int dcssblk_direct_access(struct block_device *bdev, sector_t secnum,
 				 void **kaddr, unsigned long *pfn);
@@ -42,8 +42,8 @@ static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
 static int dcssblk_major;
 static struct block_device_operations dcssblk_devops = {
 	.owner   	= THIS_MODULE,
-	.__open    	= dcssblk_open,
-	.__release 	= dcssblk_release,
+	.open    	= dcssblk_open,
+	.release 	= dcssblk_release,
 	.direct_access 	= dcssblk_direct_access,
 };
 
@@ -776,32 +776,31 @@ out_buf:
 }
 
 static int
-dcssblk_open(struct inode *inode, struct file *filp)
+dcssblk_open(struct block_device *bdev, fmode_t mode)
 {
 	struct dcssblk_dev_info *dev_info;
 	int rc;
 
-	dev_info = inode->i_bdev->bd_disk->private_data;
+	dev_info = bdev->bd_disk->private_data;
 	if (NULL == dev_info) {
 		rc = -ENODEV;
 		goto out;
 	}
 	atomic_inc(&dev_info->use_count);
-	inode->i_bdev->bd_block_size = 4096;
+	bdev->bd_block_size = 4096;
 	rc = 0;
 out:
 	return rc;
 }
 
 static int
-dcssblk_release(struct inode *inode, struct file *filp)
+dcssblk_release(struct gendisk *disk, fmode_t mode)
 {
-	struct dcssblk_dev_info *dev_info;
+	struct dcssblk_dev_info *dev_info = disk->private_data;
 	struct segment_info *entry;
 	int rc;
 
-	dev_info = inode->i_bdev->bd_disk->private_data;
-	if (NULL == dev_info) {
+	if (!dev_info) {
 		rc = -ENODEV;
 		goto out;
 	}
-- 
GitLab


From 4e999af9b25d30461ae54debce92803f1b064383 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:39:59 -0500
Subject: [PATCH 1668/2224] [PATCH] switch tape_block

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/s390/char/tape_block.c | 29 +++++++++++++----------------
 1 file changed, 13 insertions(+), 16 deletions(-)

diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index f1a741c9a6f..023803dbb0c 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -43,18 +43,18 @@
 /*
  * file operation structure for tape block frontend
  */
-static int tapeblock_open(struct inode *, struct file *);
-static int tapeblock_release(struct inode *, struct file *);
-static int tapeblock_ioctl(struct inode *, struct file *, unsigned int,
+static int tapeblock_open(struct block_device *, fmode_t);
+static int tapeblock_release(struct gendisk *, fmode_t);
+static int tapeblock_ioctl(struct block_device *, fmode_t, unsigned int,
 				unsigned long);
 static int tapeblock_medium_changed(struct gendisk *);
 static int tapeblock_revalidate_disk(struct gendisk *);
 
 static struct block_device_operations tapeblock_fops = {
 	.owner		 = THIS_MODULE,
-	.__open		 = tapeblock_open,
-	.__release	 = tapeblock_release,
-	.__ioctl           = tapeblock_ioctl,
+	.open		 = tapeblock_open,
+	.release	 = tapeblock_release,
+	.locked_ioctl           = tapeblock_ioctl,
 	.media_changed   = tapeblock_medium_changed,
 	.revalidate_disk = tapeblock_revalidate_disk,
 };
@@ -364,13 +364,12 @@ tapeblock_medium_changed(struct gendisk *disk)
  * Block frontend tape device open function.
  */
 static int
-tapeblock_open(struct inode *inode, struct file *filp)
+tapeblock_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *	disk;
+	struct gendisk *	disk = bdev->bd_disk;
 	struct tape_device *	device;
 	int			rc;
 
-	disk   = inode->i_bdev->bd_disk;
 	device = tape_get_device_reference(disk->private_data);
 
 	if (device->required_tapemarks) {
@@ -410,9 +409,8 @@ release:
  *       we just get the pointer here and release the reference.
  */
 static int
-tapeblock_release(struct inode *inode, struct file *filp)
+tapeblock_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct tape_device *device = disk->private_data;
 
 	tape_state_set(device, TS_IN_USE);
@@ -427,22 +425,21 @@ tapeblock_release(struct inode *inode, struct file *filp)
  */
 static int
 tapeblock_ioctl(
-	struct inode *		inode,
-	struct file *		file,
+	struct block_device *	bdev,
+	fmode_t			mode,
 	unsigned int		command,
 	unsigned long		arg
 ) {
 	int rc;
 	int minor;
-	struct gendisk *disk;
+	struct gendisk *disk = bdev->bd_disk;
 	struct tape_device *device;
 
 	rc     = 0;
-	disk   = inode->i_bdev->bd_disk;
 	BUG_ON(!disk);
 	device = disk->private_data;
 	BUG_ON(!device);
-	minor  = iminor(inode);
+	minor  = MINOR(bdev->bd_dev);
 
 	DBF_LH(6, "tapeblock_ioctl(0x%0x)\n", command);
 	DBF_LH(6, "device = %d:%d\n", tapeblock_major, minor);
-- 
GitLab


From 3e3c9c6f3d31ac6eca7ec59f28f3cbc2ee45ff6e Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:40:39 -0500
Subject: [PATCH 1669/2224] [PATCH] switch ide-scsi

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/scsi/ide-scsi.c | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 9069afbad9d..2370fd82ebf 100644
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -452,40 +452,34 @@ static ide_driver_t idescsi_driver = {
 #endif
 };
 
-static int idescsi_ide_open(struct inode *inode, struct file *filp)
+static int idescsi_ide_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_scsi_obj *scsi;
+	struct ide_scsi_obj *scsi = ide_scsi_get(bdev->bd_disk);
 
-	if (!(scsi = ide_scsi_get(disk)))
+	if (!scsi)
 		return -ENXIO;
 
 	return 0;
 }
 
-static int idescsi_ide_release(struct inode *inode, struct file *filp)
+static int idescsi_ide_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct ide_scsi_obj *scsi = ide_scsi_g(disk);
-
-	ide_scsi_put(scsi);
-
+	ide_scsi_put(ide_scsi_g(disk));
 	return 0;
 }
 
-static int idescsi_ide_ioctl(struct inode *inode, struct file *file,
+static int idescsi_ide_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct ide_scsi_obj *scsi = ide_scsi_g(bdev->bd_disk);
 	return generic_ide_ioctl(scsi->drive, bdev, cmd, arg);
 }
 
 static struct block_device_operations idescsi_ops = {
 	.owner		= THIS_MODULE,
-	.__open		= idescsi_ide_open,
-	.__release	= idescsi_ide_release,
-	.__ioctl		= idescsi_ide_ioctl,
+	.open		= idescsi_ide_open,
+	.release	= idescsi_ide_release,
+	.locked_ioctl	= idescsi_ide_ioctl,
 };
 
 static int idescsi_slave_configure(struct scsi_device * sdp)
-- 
GitLab


From 0338e29178795f0df0e1f3705b5d3effe9c95ff7 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:41:04 -0500
Subject: [PATCH 1670/2224] [PATCH] switch sd

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/scsi/sd.c | 41 +++++++++++++++++------------------------
 1 file changed, 17 insertions(+), 24 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index c8b95e8d285..43f34c73df1 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -609,17 +609,15 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq)
  *	In the latter case @inode and @filp carry an abridged amount
  *	of information as noted above.
  **/
-static int sd_open(struct inode *inode, struct file *filp)
+static int sd_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct scsi_disk *sdkp;
+	struct scsi_disk *sdkp = scsi_disk_get(bdev->bd_disk);
 	struct scsi_device *sdev;
 	int retval;
 
-	if (!(sdkp = scsi_disk_get(disk)))
+	if (!sdkp)
 		return -ENXIO;
 
-
 	SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_open\n"));
 
 	sdev = sdkp->device;
@@ -633,14 +631,13 @@ static int sd_open(struct inode *inode, struct file *filp)
 		goto error_out;
 
 	if (sdev->removable || sdkp->write_prot)
-		check_disk_change(inode->i_bdev);
+		check_disk_change(bdev);
 
 	/*
 	 * If the drive is empty, just let the open fail.
 	 */
 	retval = -ENOMEDIUM;
-	if (sdev->removable && !sdkp->media_present &&
-	    !(filp->f_mode & FMODE_NDELAY))
+	if (sdev->removable && !sdkp->media_present && !(mode & FMODE_NDELAY))
 		goto error_out;
 
 	/*
@@ -648,7 +645,7 @@ static int sd_open(struct inode *inode, struct file *filp)
 	 * if the user expects to be able to write to the thing.
 	 */
 	retval = -EROFS;
-	if (sdkp->write_prot && (filp->f_mode & FMODE_WRITE))
+	if (sdkp->write_prot && (mode & FMODE_WRITE))
 		goto error_out;
 
 	/*
@@ -684,9 +681,8 @@ error_out:
  *	Note: may block (uninterruptible) if error recovery is underway
  *	on this disk.
  **/
-static int sd_release(struct inode *inode, struct file *filp)
+static int sd_release(struct gendisk *disk, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
 	struct scsi_disk *sdkp = scsi_disk(disk);
 	struct scsi_device *sdev = sdkp->device;
 
@@ -743,10 +739,9 @@ static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
  *	Note: most ioctls are forward onto the block subsystem or further
  *	down in the scsi subsystem.
  **/
-static int sd_ioctl(struct inode * inode, struct file * filp, 
+static int sd_ioctl(struct block_device *bdev, fmode_t mode,
 		    unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
 	struct scsi_device *sdp = scsi_disk(disk)->device;
 	void __user *p = (void __user *)arg;
@@ -762,7 +757,7 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
 	 * access to the device is prohibited.
 	 */
 	error = scsi_nonblockable_ioctl(sdp, cmd, p,
-					filp ? filp->f_flags & O_NDELAY : 0);
+					(mode & FMODE_NDELAY_NOW) != 0);
 	if (!scsi_block_when_processing_errors(sdp) || !error)
 		return error;
 
@@ -776,8 +771,7 @@ static int sd_ioctl(struct inode * inode, struct file * filp,
 		case SCSI_IOCTL_GET_BUS_NUMBER:
 			return scsi_ioctl(sdp, cmd, p);
 		default:
-			error = scsi_cmd_ioctl(disk->queue, disk,
-					filp ? filp->f_mode : 0, cmd, p);
+			error = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, p);
 			if (error != -ENOTTY)
 				return error;
 	}
@@ -930,11 +924,10 @@ static void sd_rescan(struct device *dev)
  * This gets directly called from VFS. When the ioctl 
  * is not recognized we go back to the other translation paths. 
  */
-static long sd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static int sd_compat_ioctl(struct block_device *bdev, fmode_t mode,
+			   unsigned int cmd, unsigned long arg)
 {
-	struct block_device *bdev = file->f_path.dentry->d_inode->i_bdev;
-	struct gendisk *disk = bdev->bd_disk;
-	struct scsi_device *sdev = scsi_disk(disk)->device;
+	struct scsi_device *sdev = scsi_disk(bdev->bd_disk)->device;
 
 	/*
 	 * If we are in the middle of error recovery, don't let anyone
@@ -962,12 +955,12 @@ static long sd_compat_ioctl(struct file *file, unsigned int cmd, unsigned long a
 
 static struct block_device_operations sd_fops = {
 	.owner			= THIS_MODULE,
-	.__open			= sd_open,
-	.__release		= sd_release,
-	.__ioctl			= sd_ioctl,
+	.open			= sd_open,
+	.release		= sd_release,
+	.locked_ioctl		= sd_ioctl,
 	.getgeo			= sd_getgeo,
 #ifdef CONFIG_COMPAT
-	.__compat_ioctl		= sd_compat_ioctl,
+	.compat_ioctl		= sd_compat_ioctl,
 #endif
 	.media_changed		= sd_media_changed,
 	.revalidate_disk	= sd_revalidate_disk,
-- 
GitLab


From 40cc51be699e37b78102ce7b2196ec9c32fe1908 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:41:28 -0500
Subject: [PATCH 1671/2224] [PATCH] switch sr

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/scsi/sr.c | 40 ++++++++++++++++++----------------------
 1 file changed, 18 insertions(+), 22 deletions(-)

diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 9446cbf4de8..62b6633e3a9 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -471,34 +471,31 @@ static int sr_prep_fn(struct request_queue *q, struct request *rq)
 	return scsi_prep_return(q, rq, ret);
 }
 
-static int sr_block_open(struct inode *inode, struct file *file)
+static int sr_block_open(struct block_device *bdev, fmode_t mode)
 {
-	struct gendisk *disk = inode->i_bdev->bd_disk;
-	struct scsi_cd *cd;
-	int ret = 0;
-
-	if(!(cd = scsi_cd_get(disk)))
-		return -ENXIO;
-
-	if((ret = cdrom_open(&cd->cdi, inode->i_bdev, file->f_mode)) != 0)
-		scsi_cd_put(cd);
+	struct scsi_cd *cd = scsi_cd_get(bdev->bd_disk);
+	int ret = -ENXIO;
 
+	if (cd) {
+		ret = cdrom_open(&cd->cdi, bdev, mode);
+		if (ret)
+			scsi_cd_put(cd);
+	}
 	return ret;
 }
 
-static int sr_block_release(struct inode *inode, struct file *file)
+static int sr_block_release(struct gendisk *disk, fmode_t mode)
 {
-	struct scsi_cd *cd = scsi_cd(inode->i_bdev->bd_disk);
-	cdrom_release(&cd->cdi, file ? file->f_mode : 0);
+	struct scsi_cd *cd = scsi_cd(disk);
+	cdrom_release(&cd->cdi, mode);
 	scsi_cd_put(cd);
-
 	return 0;
 }
 
-static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
+static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
 			  unsigned long arg)
 {
-	struct scsi_cd *cd = scsi_cd(inode->i_bdev->bd_disk);
+	struct scsi_cd *cd = scsi_cd(bdev->bd_disk);
 	struct scsi_device *sdev = cd->device;
 	void __user *argp = (void __user *)arg;
 	int ret;
@@ -513,8 +510,7 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 		return scsi_ioctl(sdev, cmd, argp);
 	}
 
-	ret = cdrom_ioctl(&cd->cdi, inode->i_bdev,
-			  file ? file->f_mode : 0, cmd, arg);
+	ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg);
 	if (ret != -ENOSYS)
 		return ret;
 
@@ -525,7 +521,7 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 	 * if it doesn't recognise the ioctl
 	 */
 	ret = scsi_nonblockable_ioctl(sdev, cmd, argp,
-					file ? file->f_flags & O_NDELAY : 0);
+					(mode & FMODE_NDELAY_NOW) != 0);
 	if (ret != -ENODEV)
 		return ret;
 	return scsi_ioctl(sdev, cmd, argp);
@@ -540,9 +536,9 @@ static int sr_block_media_changed(struct gendisk *disk)
 static struct block_device_operations sr_bdops =
 {
 	.owner		= THIS_MODULE,
-	.__open		= sr_block_open,
-	.__release	= sr_block_release,
-	.__ioctl		= sr_block_ioctl,
+	.open		= sr_block_open,
+	.release	= sr_block_release,
+	.locked_ioctl	= sr_block_ioctl,
 	.media_changed	= sr_block_media_changed,
 	/* 
 	 * No compat_ioctl for now because sr_block_ioctl never
-- 
GitLab


From 90b8f2824ce68dd87d304641a1d5a048dfff39f5 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 2 Mar 2008 10:43:36 -0500
Subject: [PATCH 1672/2224] [PATCH] end of methods switch: remove the old ones

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/compat_ioctl.c   | 12 ------------
 block/ioctl.c          | 26 --------------------------
 fs/block_dev.c         | 13 -------------
 include/linux/blkdev.h |  8 --------
 4 files changed, 59 deletions(-)

diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 576c4fd1546..fd537fdb25a 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -708,16 +708,6 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file,
 		return -ENOIOCTLCMD;
 	}
 
-	if (disk->fops->__unlocked_ioctl)
-		return disk->fops->__unlocked_ioctl(file, cmd, arg);
-
-	if (disk->fops->__ioctl) {
-		lock_kernel();
-		ret = disk->fops->__ioctl(inode, file, cmd, arg);
-		unlock_kernel();
-		return ret;
-	}
-
 	return __blkdev_driver_ioctl(inode->i_bdev, file->f_mode, cmd, arg);
 }
 
@@ -805,8 +795,6 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 
 	lock_kernel();
 	ret = compat_blkdev_locked_ioctl(inode, file, bdev, cmd, arg);
-	if (ret == -ENOIOCTLCMD && disk->fops->__compat_ioctl)
-		ret = disk->fops->__compat_ioctl(file, cmd, arg);
 	unlock_kernel();
 	if (ret == -ENOIOCTLCMD && disk->fops->compat_ioctl)
 		ret = disk->fops->compat_ioctl(bdev, file->f_mode, cmd, arg);
diff --git a/block/ioctl.c b/block/ioctl.c
index 01ff463bc80..0db89f95b15 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -276,16 +276,6 @@ int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 			mode |= FMODE_NDELAY_NOW;
 	}
 
-	if (disk->fops->__unlocked_ioctl)
-		return disk->fops->__unlocked_ioctl(file, cmd, arg);
-
-	if (disk->fops->__ioctl) {
-		lock_kernel();
-		ret = disk->fops->__ioctl(inode, file, cmd, arg);
-		unlock_kernel();
-		return ret;
-	}
-
 	return __blkdev_driver_ioctl(inode->i_bdev, mode, cmd, arg);
 }
 EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
@@ -295,22 +285,6 @@ int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 {
 	struct gendisk *disk = bdev->bd_disk;
 	int ret;
-	/* you bet it'll go away by the end of patch series */
-	struct file fake_file = {};
-	struct dentry fake_dentry = {};
-	fake_file.f_mode = mode;
-	fake_file.f_path.dentry = &fake_dentry;
-	fake_dentry.d_inode = bdev->bd_inode;
-
-	if (disk->fops->__unlocked_ioctl)
-		return disk->fops->__unlocked_ioctl(&fake_file, cmd, arg);
-
-	if (disk->fops->__ioctl) {
-		lock_kernel();
-		ret = disk->fops->__ioctl(bdev->bd_inode, &fake_file, cmd, arg);
-		unlock_kernel();
-		return ret;
-	}
 
 	if (disk->fops->ioctl)
 		return disk->fops->ioctl(bdev, mode, cmd, arg);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 73b6ce47c86..55124ac8c7a 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1033,11 +1033,6 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		bdev->bd_contains = bdev;
 		if (!partno) {
 			struct backing_dev_info *bdi;
-			if (disk->fops->__open) {
-				ret = disk->fops->__open(bdev->bd_inode, file);
-				if (ret)
-					goto out_first;
-			}
 			if (disk->fops->open) {
 				ret = disk->fops->open(bdev, file->f_mode);
 				if (ret)
@@ -1079,11 +1074,6 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		part = NULL;
 		disk = NULL;
 		if (bdev->bd_contains == bdev) {
-			if (bdev->bd_disk->fops->__open) {
-				ret = bdev->bd_disk->fops->__open(bdev->bd_inode, file);
-				if (ret)
-					goto out;
-			}
 			if (bdev->bd_disk->fops->open) {
 				ret = bdev->bd_disk->fops->open(bdev, file->f_mode);
 				if (ret)
@@ -1180,7 +1170,6 @@ static int blkdev_open(struct inode * inode, struct file * filp)
 static int __blkdev_put(struct block_device *bdev, int for_part)
 {
 	int ret = 0;
-	struct inode *bd_inode = bdev->bd_inode;
 	struct gendisk *disk = bdev->bd_disk;
 	struct block_device *victim = NULL;
 
@@ -1194,8 +1183,6 @@ static int __blkdev_put(struct block_device *bdev, int for_part)
 		kill_bdev(bdev);
 	}
 	if (bdev->bd_contains == bdev) {
-		if (disk->fops->__release)
-			ret = disk->fops->__release(bd_inode, NULL);
 		if (disk->fops->release)
 			ret = disk->fops->release(disk, 0);
 	}
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index b573186ff1a..a135256b272 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1057,15 +1057,7 @@ static inline int blk_integrity_rq(struct request *rq)
 
 #endif /* CONFIG_BLK_DEV_INTEGRITY */
 
-struct file;
-struct inode;
-
 struct block_device_operations {
-	int (*__open) (struct inode *, struct file *);
-	int (*__release) (struct inode *, struct file *);
-	int (*__ioctl) (struct inode *, struct file *, unsigned, unsigned long);
-	long (*__unlocked_ioctl) (struct file *, unsigned, unsigned long);
-	long (*__compat_ioctl) (struct file *, unsigned, unsigned long);
 	int (*open) (struct block_device *, fmode_t);
 	int (*release) (struct gendisk *, fmode_t);
 	int (*locked_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long);
-- 
GitLab


From 33c2dca4957bd0da3e1af7b96d0758d97e708ef6 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 22 Feb 2008 22:02:50 -0500
Subject: [PATCH 1673/2224] [PATCH] trim file propagation in
 block/compat_ioctl.c

... and remove the handling of cases when it falls back to native
without changing arguments.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/compat_ioctl.c | 73 ++++++++++++++++----------------------------
 1 file changed, 26 insertions(+), 47 deletions(-)

diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index fd537fdb25a..504344d2902 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -71,8 +71,8 @@ static int compat_hdio_getgeo(struct gendisk *disk, struct block_device *bdev,
 	return ret;
 }
 
-static int compat_hdio_ioctl(struct inode *inode, struct file *file,
-		struct gendisk *disk, unsigned int cmd, unsigned long arg)
+static int compat_hdio_ioctl(struct block_device *bdev, fmode_t mode,
+		unsigned int cmd, unsigned long arg)
 {
 	mm_segment_t old_fs = get_fs();
 	unsigned long kval;
@@ -80,7 +80,7 @@ static int compat_hdio_ioctl(struct inode *inode, struct file *file,
 	int error;
 
 	set_fs(KERNEL_DS);
-	error = blkdev_driver_ioctl(inode, file, disk,
+	error = __blkdev_driver_ioctl(bdev, mode,
 				cmd, (unsigned long)(&kval));
 	set_fs(old_fs);
 
@@ -111,8 +111,8 @@ struct compat_cdrom_generic_command {
 	compat_caddr_t	reserved[1];
 };
 
-static int compat_cdrom_read_audio(struct inode *inode, struct file *file,
-		struct gendisk *disk, unsigned int cmd, unsigned long arg)
+static int compat_cdrom_read_audio(struct block_device *bdev, fmode_t mode,
+		unsigned int cmd, unsigned long arg)
 {
 	struct cdrom_read_audio __user *cdread_audio;
 	struct compat_cdrom_read_audio __user *cdread_audio32;
@@ -134,12 +134,12 @@ static int compat_cdrom_read_audio(struct inode *inode, struct file *file,
 	if (put_user(datap, &cdread_audio->buf))
 		return -EFAULT;
 
-	return blkdev_driver_ioctl(inode, file, disk, cmd,
+	return __blkdev_driver_ioctl(bdev, mode, cmd,
 			(unsigned long)cdread_audio);
 }
 
-static int compat_cdrom_generic_command(struct inode *inode, struct file *file,
-		struct gendisk *disk, unsigned int cmd, unsigned long arg)
+static int compat_cdrom_generic_command(struct block_device *bdev, fmode_t mode,
+		unsigned int cmd, unsigned long arg)
 {
 	struct cdrom_generic_command __user *cgc;
 	struct compat_cdrom_generic_command __user *cgc32;
@@ -167,7 +167,7 @@ static int compat_cdrom_generic_command(struct inode *inode, struct file *file,
 	    put_user(compat_ptr(data), &cgc->reserved[0]))
 		return -EFAULT;
 
-	return blkdev_driver_ioctl(inode, file, disk, cmd, (unsigned long)cgc);
+	return __blkdev_driver_ioctl(bdev, mode, cmd, (unsigned long)cgc);
 }
 
 struct compat_blkpg_ioctl_arg {
@@ -308,8 +308,8 @@ static struct {
 
 #define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table)
 
-static int compat_fd_ioctl(struct inode *inode, struct file *file,
-		struct gendisk *disk, unsigned int cmd, unsigned long arg)
+static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode,
+		unsigned int cmd, unsigned long arg)
 {
 	mm_segment_t old_fs = get_fs();
 	void *karg = NULL;
@@ -413,7 +413,7 @@ static int compat_fd_ioctl(struct inode *inode, struct file *file,
 		return -EINVAL;
 	}
 	set_fs(KERNEL_DS);
-	err = blkdev_driver_ioctl(inode, file, disk, kcmd, (unsigned long)karg);
+	err = __blkdev_driver_ioctl(bdev, mode, kcmd, (unsigned long)karg);
 	set_fs(old_fs);
 	if (err)
 		goto out;
@@ -579,8 +579,8 @@ static int compat_blk_trace_setup(struct block_device *bdev, char __user *arg)
 	return 0;
 }
 
-static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file,
-			struct gendisk *disk, unsigned cmd, unsigned long arg)
+static int compat_blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
+			unsigned cmd, unsigned long arg)
 {
 	int ret;
 
@@ -596,7 +596,7 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file,
 	case HDIO_GET_ACOUSTIC:
 	case HDIO_GET_ADDRESS:
 	case HDIO_GET_BUSSTATE:
-		return compat_hdio_ioctl(inode, file, disk, cmd, arg);
+		return compat_hdio_ioctl(bdev, mode, cmd, arg);
 	case FDSETPRM32:
 	case FDDEFPRM32:
 	case FDGETPRM32:
@@ -606,11 +606,11 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file,
 	case FDPOLLDRVSTAT32:
 	case FDGETFDCSTAT32:
 	case FDWERRORGET32:
-		return compat_fd_ioctl(inode, file, disk, cmd, arg);
+		return compat_fd_ioctl(bdev, mode, cmd, arg);
 	case CDROMREADAUDIO:
-		return compat_cdrom_read_audio(inode, file, disk, cmd, arg);
+		return compat_cdrom_read_audio(bdev, mode, cmd, arg);
 	case CDROM_SEND_PACKET:
-		return compat_cdrom_generic_command(inode, file, disk, cmd, arg);
+		return compat_cdrom_generic_command(bdev, mode, cmd, arg);
 
 	/*
 	 * No handler required for the ones below, we just need to
@@ -679,40 +679,16 @@ static int compat_blkdev_driver_ioctl(struct inode *inode, struct file *file,
 	case DVD_WRITE_STRUCT:
 	case DVD_AUTH:
 		arg = (unsigned long)compat_ptr(arg);
-	/* These intepret arg as an unsigned long, not as a pointer,
-	 * so we must not do compat_ptr() conversion. */
-	case HDIO_SET_MULTCOUNT:
-	case HDIO_SET_UNMASKINTR:
-	case HDIO_SET_KEEPSETTINGS:
-	case HDIO_SET_32BIT:
-	case HDIO_SET_NOWERR:
-	case HDIO_SET_DMA:
-	case HDIO_SET_PIO_MODE:
-	case HDIO_SET_NICE:
-	case HDIO_SET_WCACHE:
-	case HDIO_SET_ACOUSTIC:
-	case HDIO_SET_BUSSTATE:
-	case HDIO_SET_ADDRESS:
-	case CDROMEJECT_SW:
-	case CDROM_SET_OPTIONS:
-	case CDROM_CLEAR_OPTIONS:
-	case CDROM_SELECT_SPEED:
-	case CDROM_SELECT_DISC:
-	case CDROM_MEDIA_CHANGED:
-	case CDROM_DRIVE_STATUS:
-	case CDROM_LOCKDOOR:
-	case CDROM_DEBUG:
 		break;
 	default:
 		/* unknown ioctl number */
 		return -ENOIOCTLCMD;
 	}
 
-	return __blkdev_driver_ioctl(inode->i_bdev, file->f_mode, cmd, arg);
+	return __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 }
 
-static int compat_blkdev_locked_ioctl(struct inode *inode, struct file *file,
-				struct block_device *bdev,
+static int compat_blkdev_locked_ioctl(struct block_device *bdev,
 				unsigned cmd, unsigned long arg)
 {
 	struct backing_dev_info *bdi;
@@ -772,6 +748,9 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	struct inode *inode = file->f_mapping->host;
 	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
+	fmode_t mode = file->f_mode;
+	if (file->f_flags & O_NDELAY)
+		mode |= FMODE_NDELAY_NOW;
 
 	switch (cmd) {
 	case HDIO_GETGEO:
@@ -794,13 +773,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	}
 
 	lock_kernel();
-	ret = compat_blkdev_locked_ioctl(inode, file, bdev, cmd, arg);
+	ret = compat_blkdev_locked_ioctl(bdev, cmd, arg);
 	unlock_kernel();
 	if (ret == -ENOIOCTLCMD && disk->fops->compat_ioctl)
-		ret = disk->fops->compat_ioctl(bdev, file->f_mode, cmd, arg);
+		ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg);
 
 	if (ret != -ENOIOCTLCMD)
 		return ret;
 
-	return compat_blkdev_driver_ioctl(inode, file, disk, cmd, arg);
+	return compat_blkdev_driver_ioctl(bdev, mode, cmd, arg);
 }
-- 
GitLab


From 511de73ff09034fb89c8d54bed201a10d057328c Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 8 Oct 2007 12:10:13 -0400
Subject: [PATCH 1674/2224] [PATCH] kill the unused bsize on the send side of
 /dev/loop

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/loop.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 67d7bc81236..3f09cd8bcc3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -210,7 +210,7 @@ lo_do_transfer(struct loop_device *lo, int cmd,
  * space operations write_begin and write_end.
  */
 static int do_lo_send_aops(struct loop_device *lo, struct bio_vec *bvec,
-		int bsize, loff_t pos, struct page *unused)
+		loff_t pos, struct page *unused)
 {
 	struct file *file = lo->lo_backing_file; /* kudos to NFsckingS */
 	struct address_space *mapping = file->f_mapping;
@@ -302,7 +302,7 @@ static int __do_lo_send_write(struct file *file,
  * filesystems.
  */
 static int do_lo_send_direct_write(struct loop_device *lo,
-		struct bio_vec *bvec, int bsize, loff_t pos, struct page *page)
+		struct bio_vec *bvec, loff_t pos, struct page *page)
 {
 	ssize_t bw = __do_lo_send_write(lo->lo_backing_file,
 			kmap(bvec->bv_page) + bvec->bv_offset,
@@ -326,7 +326,7 @@ static int do_lo_send_direct_write(struct loop_device *lo,
  * destination pages of the backing file.
  */
 static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec,
-		int bsize, loff_t pos, struct page *page)
+		loff_t pos, struct page *page)
 {
 	int ret = lo_do_transfer(lo, WRITE, page, 0, bvec->bv_page,
 			bvec->bv_offset, bvec->bv_len, pos >> 9);
@@ -341,10 +341,9 @@ static int do_lo_send_write(struct loop_device *lo, struct bio_vec *bvec,
 	return ret;
 }
 
-static int lo_send(struct loop_device *lo, struct bio *bio, int bsize,
-		loff_t pos)
+static int lo_send(struct loop_device *lo, struct bio *bio, loff_t pos)
 {
-	int (*do_lo_send)(struct loop_device *, struct bio_vec *, int, loff_t,
+	int (*do_lo_send)(struct loop_device *, struct bio_vec *, loff_t,
 			struct page *page);
 	struct bio_vec *bvec;
 	struct page *page = NULL;
@@ -362,7 +361,7 @@ static int lo_send(struct loop_device *lo, struct bio *bio, int bsize,
 		}
 	}
 	bio_for_each_segment(bvec, bio, i) {
-		ret = do_lo_send(lo, bvec, bsize, pos, page);
+		ret = do_lo_send(lo, bvec, pos, page);
 		if (ret < 0)
 			break;
 		pos += bvec->bv_len;
@@ -478,7 +477,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
 
 	pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset;
 	if (bio_rw(bio) == WRITE)
-		ret = lo_send(lo, bio, lo->lo_blocksize, pos);
+		ret = lo_send(lo, bio, pos);
 	else
 		ret = lo_receive(lo, bio, lo->lo_blocksize, pos);
 	return ret;
-- 
GitLab


From 9a1c3542768b5a58e45a9216921cd10a3bae1205 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 22 Feb 2008 20:40:24 -0500
Subject: [PATCH 1675/2224] [PATCH] pass fmode_t to blkdev_put()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/pktcdvd.c         |  8 ++++----
 drivers/char/raw.c              |  4 ++--
 drivers/md/dm-table.c           |  4 ++--
 drivers/md/md.c                 |  4 ++--
 drivers/s390/block/dasd_genhd.c |  2 +-
 fs/block_dev.c                  | 22 +++++++++++-----------
 fs/ext3/super.c                 |  4 ++--
 fs/ext4/super.c                 |  4 ++--
 fs/jfs/jfs_logmgr.c             |  4 ++--
 fs/ocfs2/cluster/heartbeat.c    |  4 ++--
 fs/partitions/check.c           |  2 +-
 fs/reiserfs/journal.c           |  4 ++--
 include/linux/fs.h              |  2 +-
 kernel/power/swap.c             |  8 ++++----
 14 files changed, 38 insertions(+), 38 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 90548da9c1c..ce8c7190192 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2381,7 +2381,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
 out_unclaim:
 	bd_release(pd->bdev);
 out_putdev:
-	blkdev_put(pd->bdev);
+	blkdev_put(pd->bdev, FMODE_READ);
 out:
 	return ret;
 }
@@ -2399,7 +2399,7 @@ static void pkt_release_dev(struct pktcdvd_device *pd, int flush)
 
 	pkt_set_speed(pd, MAX_SPEED, MAX_SPEED);
 	bd_release(pd->bdev);
-	blkdev_put(pd->bdev);
+	blkdev_put(pd->bdev, FMODE_READ);
 
 	pkt_shrink_pktlist(pd);
 }
@@ -2790,7 +2790,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
 	return 0;
 
 out_mem:
-	blkdev_put(bdev);
+	blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 	/* This is safe: open() is still holding a reference. */
 	module_put(THIS_MODULE);
 	return ret;
@@ -2975,7 +2975,7 @@ static int pkt_remove_dev(dev_t pkt_dev)
 	pkt_debugfs_dev_remove(pd);
 	pkt_sysfs_dev_remove(pd);
 
-	blkdev_put(pd->bdev);
+	blkdev_put(pd->bdev, FMODE_READ|FMODE_WRITE);
 
 	remove_proc_entry(pd->name, pkt_proc);
 	DPRINTK(DRIVER_NAME": writer %s unmapped\n", pd->name);
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index e139372d0e6..bfd59e6bf54 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -87,7 +87,7 @@ static int raw_open(struct inode *inode, struct file *filp)
 out2:
 	bd_release(bdev);
 out1:
-	blkdev_put(bdev);
+	blkdev_put(bdev, filp->f_mode);
 out:
 	mutex_unlock(&raw_mutex);
 	return err;
@@ -112,7 +112,7 @@ static int raw_release(struct inode *inode, struct file *filp)
 	mutex_unlock(&raw_mutex);
 
 	bd_release(bdev);
-	blkdev_put(bdev);
+	blkdev_put(bdev, filp->f_mode);
 	return 0;
 }
 
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 7c8671b06fe..dd8bd2e867c 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -357,7 +357,7 @@ static int open_dev(struct dm_dev_internal *d, dev_t dev,
 		return PTR_ERR(bdev);
 	r = bd_claim_by_disk(bdev, _claim_ptr, dm_disk(md));
 	if (r)
-		blkdev_put(bdev);
+		blkdev_put(bdev, d->dm_dev.mode);
 	else
 		d->dm_dev.bdev = bdev;
 	return r;
@@ -372,7 +372,7 @@ static void close_dev(struct dm_dev_internal *d, struct mapped_device *md)
 		return;
 
 	bd_release_from_disk(d->dm_dev.bdev, dm_disk(md));
-	blkdev_put(d->dm_dev.bdev);
+	blkdev_put(d->dm_dev.bdev, d->dm_dev.mode);
 	d->dm_dev.bdev = NULL;
 }
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 06ea991c7a4..c1a837ca193 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1520,7 +1520,7 @@ static int lock_rdev(mdk_rdev_t *rdev, dev_t dev, int shared)
 	if (err) {
 		printk(KERN_ERR "md: could not bd_claim %s.\n",
 			bdevname(bdev, b));
-		blkdev_put(bdev);
+		blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 		return err;
 	}
 	if (!shared)
@@ -1536,7 +1536,7 @@ static void unlock_rdev(mdk_rdev_t *rdev)
 	if (!bdev)
 		MD_BUG();
 	bd_release(bdev);
-	blkdev_put(bdev);
+	blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 }
 
 void md_autodetect_dev(dev_t dev);
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index aee6565aaf9..3c1b6915c9a 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -152,7 +152,7 @@ void dasd_destroy_partitions(struct dasd_block *block)
 
 	invalidate_partition(block->gdp, 0);
 	/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
-	blkdev_put(bdev);
+	blkdev_put(bdev, FMODE_READ);
 	set_capacity(block->gdp, 0);
 }
 
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 55124ac8c7a..05131baf3cf 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -977,7 +977,7 @@ EXPORT_SYMBOL(bd_set_size);
 
 static int __blkdev_get(struct block_device *bdev, fmode_t mode, unsigned flags,
 			int for_part);
-static int __blkdev_put(struct block_device *bdev, int for_part);
+static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
 
 /*
  * bd_mutex locking:
@@ -1095,7 +1095,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 	bdev->bd_part = NULL;
 	bdev->bd_inode->i_data.backing_dev_info = &default_backing_dev_info;
 	if (bdev != bdev->bd_contains)
-		__blkdev_put(bdev->bd_contains, 1);
+		__blkdev_put(bdev->bd_contains, file->f_mode, 1);
 	bdev->bd_contains = NULL;
  out_unlock_bdev:
 	mutex_unlock(&bdev->bd_mutex);
@@ -1163,11 +1163,11 @@ static int blkdev_open(struct inode * inode, struct file * filp)
 	if (!(res = bd_claim(bdev, filp)))
 		return 0;
 
-	blkdev_put(bdev);
+	blkdev_put(bdev, filp->f_mode);
 	return res;
 }
 
-static int __blkdev_put(struct block_device *bdev, int for_part)
+static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
 {
 	int ret = 0;
 	struct gendisk *disk = bdev->bd_disk;
@@ -1184,7 +1184,7 @@ static int __blkdev_put(struct block_device *bdev, int for_part)
 	}
 	if (bdev->bd_contains == bdev) {
 		if (disk->fops->release)
-			ret = disk->fops->release(disk, 0);
+			ret = disk->fops->release(disk, mode);
 	}
 	if (!bdev->bd_openers) {
 		struct module *owner = disk->fops->owner;
@@ -1203,13 +1203,13 @@ static int __blkdev_put(struct block_device *bdev, int for_part)
 	mutex_unlock(&bdev->bd_mutex);
 	bdput(bdev);
 	if (victim)
-		__blkdev_put(victim, 1);
+		__blkdev_put(victim, mode, 1);
 	return ret;
 }
 
-int blkdev_put(struct block_device *bdev)
+int blkdev_put(struct block_device *bdev, fmode_t mode)
 {
-	return __blkdev_put(bdev, 0);
+	return __blkdev_put(bdev, mode, 0);
 }
 EXPORT_SYMBOL(blkdev_put);
 
@@ -1218,7 +1218,7 @@ static int blkdev_close(struct inode * inode, struct file * filp)
 	struct block_device *bdev = I_BDEV(filp->f_mapping->host);
 	if (bdev->bd_holder == filp)
 		bd_release(bdev);
-	return blkdev_put(bdev);
+	return blkdev_put(bdev, filp->f_mode);
 }
 
 static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg)
@@ -1343,7 +1343,7 @@ struct block_device *open_bdev_excl(const char *path, int flags, void *holder)
 	return bdev;
 	
 blkdev_put:
-	blkdev_put(bdev);
+	blkdev_put(bdev, mode);
 	return ERR_PTR(error);
 }
 
@@ -1359,7 +1359,7 @@ EXPORT_SYMBOL(open_bdev_excl);
 void close_bdev_excl(struct block_device *bdev)
 {
 	bd_release(bdev);
-	blkdev_put(bdev);
+	blkdev_put(bdev, 0);	/* move up in the next patches */
 }
 
 EXPORT_SYMBOL(close_bdev_excl);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 3a260af5544..15c38e69b69 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -347,7 +347,7 @@ fail:
 static int ext3_blkdev_put(struct block_device *bdev)
 {
 	bd_release(bdev);
-	return blkdev_put(bdev);
+	return blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 }
 
 static int ext3_blkdev_remove(struct ext3_sb_info *sbi)
@@ -2066,7 +2066,7 @@ static journal_t *ext3_get_dev_journal(struct super_block *sb,
 	if (bd_claim(bdev, sb)) {
 		printk(KERN_ERR
 		        "EXT3: failed to claim external journal device.\n");
-		blkdev_put(bdev);
+		blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 		return NULL;
 	}
 
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9b2b2bc4ec1..c12cf7a657a 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -399,7 +399,7 @@ fail:
 static int ext4_blkdev_put(struct block_device *bdev)
 {
 	bd_release(bdev);
-	return blkdev_put(bdev);
+	return blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 }
 
 static int ext4_blkdev_remove(struct ext4_sb_info *sbi)
@@ -2553,7 +2553,7 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
 	if (bd_claim(bdev, sb)) {
 		printk(KERN_ERR
 			"EXT4: failed to claim external journal device.\n");
-		blkdev_put(bdev);
+		blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 		return NULL;
 	}
 
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index cd2ec2988b5..335c4de6552 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -1168,7 +1168,7 @@ journal_found:
 	bd_release(bdev);
 
       close:		/* close external log device */
-	blkdev_put(bdev);
+	blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 
       free:		/* free log descriptor */
 	mutex_unlock(&jfs_log_mutex);
@@ -1514,7 +1514,7 @@ int lmLogClose(struct super_block *sb)
 	rc = lmLogShutdown(log);
 
 	bd_release(bdev);
-	blkdev_put(bdev);
+	blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
 
 	kfree(log);
 
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 7dce1612553..4b6fdf591ee 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -976,7 +976,7 @@ static void o2hb_region_release(struct config_item *item)
 	}
 
 	if (reg->hr_bdev)
-		blkdev_put(reg->hr_bdev);
+		blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE);
 
 	if (reg->hr_slots)
 		kfree(reg->hr_slots);
@@ -1358,7 +1358,7 @@ out:
 		iput(inode);
 	if (ret < 0) {
 		if (reg->hr_bdev) {
-			blkdev_put(reg->hr_bdev);
+			blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE);
 			reg->hr_bdev = NULL;
 		}
 	}
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index cfb0c80690a..5a35ff2e1a9 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -488,7 +488,7 @@ void register_disk(struct gendisk *disk)
 	err = blkdev_get(bdev, FMODE_READ, 0);
 	if (err < 0)
 		goto exit;
-	blkdev_put(bdev);
+	blkdev_put(bdev, FMODE_READ);
 
 exit:
 	/* announce disk after possible partitions are created */
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index b89d193a00d..3261518478f 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2575,7 +2575,7 @@ static int release_journal_dev(struct super_block *super,
 	if (journal->j_dev_bd != NULL) {
 		if (journal->j_dev_bd->bd_dev != super->s_dev)
 			bd_release(journal->j_dev_bd);
-		result = blkdev_put(journal->j_dev_bd);
+		result = blkdev_put(journal->j_dev_bd, 0); /* move up */
 		journal->j_dev_bd = NULL;
 	}
 
@@ -2618,7 +2618,7 @@ static int journal_init_dev(struct super_block *super,
 		} else if (jdev != super->s_dev) {
 			result = bd_claim(journal->j_dev_bd, journal);
 			if (result) {
-				blkdev_put(journal->j_dev_bd);
+				blkdev_put(journal->j_dev_bd, blkdev_mode);
 				return result;
 			}
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b5894604ba5..04c8dc41f45 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1722,7 +1722,7 @@ extern int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 			       unsigned long arg);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
 extern int blkdev_get(struct block_device *, fmode_t, unsigned);
-extern int blkdev_put(struct block_device *);
+extern int blkdev_put(struct block_device *, fmode_t);
 extern int bd_claim(struct block_device *, void *);
 extern void bd_release(struct block_device *);
 #ifdef CONFIG_SYSFS
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 80ccac849e4..7b9d611c110 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -178,7 +178,7 @@ static int swsusp_swap_check(void) /* This is called before saving image */
 
 	res = set_blocksize(resume_bdev, PAGE_SIZE);
 	if (res < 0)
-		blkdev_put(resume_bdev);
+		blkdev_put(resume_bdev, FMODE_WRITE);
 
 	return res;
 }
@@ -574,7 +574,7 @@ int swsusp_read(unsigned int *flags_p)
 		error = load_image(&handle, &snapshot, header->pages - 1);
 	release_swap_reader(&handle);
 
-	blkdev_put(resume_bdev);
+	blkdev_put(resume_bdev, FMODE_READ);
 
 	if (!error)
 		pr_debug("PM: Image successfully loaded\n");
@@ -609,7 +609,7 @@ int swsusp_check(void)
 			return -EINVAL;
 		}
 		if (error)
-			blkdev_put(resume_bdev);
+			blkdev_put(resume_bdev, FMODE_READ);
 		else
 			pr_debug("PM: Signature found, resuming\n");
 	} else {
@@ -633,7 +633,7 @@ void swsusp_close(void)
 		return;
 	}
 
-	blkdev_put(resume_bdev);
+	blkdev_put(resume_bdev, 0); /* move up */
 }
 
 static int swsusp_header_init(void)
-- 
GitLab


From 30c40d2c01f68c7eb1a41ab3552bdaf5dbf300d4 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 22 Feb 2008 19:50:45 -0500
Subject: [PATCH 1676/2224] [PATCH] propagate mode through
 open_bdev_excl/close_bdev_excl

replace open_bdev_excl/close_bdev_excl with variants taking fmode_t.
superblock gets the value used to mount it stored in sb->s_mode

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/mtd/devices/block2mtd.c |  4 ++--
 fs/block_dev.c                  | 24 +++++++++++-------------
 fs/reiserfs/journal.c           |  3 ++-
 fs/super.c                      | 14 ++++++++++----
 fs/xfs/linux-2.6/xfs_super.c    |  4 ++--
 include/linux/fs.h              |  6 ++++--
 6 files changed, 31 insertions(+), 24 deletions(-)

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 91fbba76763..8c295f40d2a 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -224,7 +224,7 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
 	if (dev->blkdev) {
 		invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping,
 					0, -1);
-		close_bdev_excl(dev->blkdev);
+		close_bdev_exclusive(dev->blkdev, FMODE_READ|FMODE_WRITE);
 	}
 
 	kfree(dev);
@@ -246,7 +246,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
 		return NULL;
 
 	/* Get a handle on the device */
-	bdev = open_bdev_excl(devname, O_RDWR, NULL);
+	bdev = open_bdev_exclusive(devname, FMODE_READ|FMODE_WRITE, NULL);
 #ifndef MODULE
 	if (IS_ERR(bdev)) {
 
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 05131baf3cf..4b595904cef 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1309,32 +1309,29 @@ fail:
 EXPORT_SYMBOL(lookup_bdev);
 
 /**
- * open_bdev_excl  -  open a block device by name and set it up for use
+ * open_bdev_exclusive  -  open a block device by name and set it up for use
  *
  * @path:	special file representing the block device
- * @flags:	%MS_RDONLY for opening read-only
+ * @mode:	FMODE_... combination to pass be used
  * @holder:	owner for exclusion
  *
  * Open the blockdevice described by the special file at @path, claim it
  * for the @holder.
  */
-struct block_device *open_bdev_excl(const char *path, int flags, void *holder)
+struct block_device *open_bdev_exclusive(const char *path, fmode_t mode, void *holder)
 {
 	struct block_device *bdev;
-	fmode_t mode = FMODE_READ;
 	int error = 0;
 
 	bdev = lookup_bdev(path);
 	if (IS_ERR(bdev))
 		return bdev;
 
-	if (!(flags & MS_RDONLY))
-		mode |= FMODE_WRITE;
 	error = blkdev_get(bdev, mode, 0);
 	if (error)
 		return ERR_PTR(error);
 	error = -EACCES;
-	if (!(flags & MS_RDONLY) && bdev_read_only(bdev))
+	if ((mode & FMODE_WRITE) && bdev_read_only(bdev))
 		goto blkdev_put;
 	error = bd_claim(bdev, holder);
 	if (error)
@@ -1347,22 +1344,23 @@ blkdev_put:
 	return ERR_PTR(error);
 }
 
-EXPORT_SYMBOL(open_bdev_excl);
+EXPORT_SYMBOL(open_bdev_exclusive);
 
 /**
- * close_bdev_excl  -  release a blockdevice openen by open_bdev_excl()
+ * close_bdev_exclusive  -  close a blockdevice opened by open_bdev_exclusive()
  *
  * @bdev:	blockdevice to close
+ * @mode:	mode, must match that used to open.
  *
- * This is the counterpart to open_bdev_excl().
+ * This is the counterpart to open_bdev_exclusive().
  */
-void close_bdev_excl(struct block_device *bdev)
+void close_bdev_exclusive(struct block_device *bdev, fmode_t mode)
 {
 	bd_release(bdev);
-	blkdev_put(bdev, 0);	/* move up in the next patches */
+	blkdev_put(bdev, mode);
 }
 
-EXPORT_SYMBOL(close_bdev_excl);
+EXPORT_SYMBOL(close_bdev_exclusive);
 
 int __invalidate_device(struct block_device *bdev)
 {
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 3261518478f..70b89607667 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2628,7 +2628,8 @@ static int journal_init_dev(struct super_block *super,
 		return 0;
 	}
 
-	journal->j_dev_bd = open_bdev_excl(jdev_name, 0, journal);
+	journal->j_dev_bd = open_bdev_exclusive(jdev_name,
+						FMODE_READ|FMODE_WRITE, journal);
 	if (IS_ERR(journal->j_dev_bd)) {
 		result = PTR_ERR(journal->j_dev_bd);
 		journal->j_dev_bd = NULL;
diff --git a/fs/super.c b/fs/super.c
index e931ae9511f..0d77ac20d03 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -760,9 +760,13 @@ int get_sb_bdev(struct file_system_type *fs_type,
 {
 	struct block_device *bdev;
 	struct super_block *s;
+	fmode_t mode = FMODE_READ;
 	int error = 0;
 
-	bdev = open_bdev_excl(dev_name, flags, fs_type);
+	if (!(flags & MS_RDONLY))
+		mode |= FMODE_WRITE;
+
+	bdev = open_bdev_exclusive(dev_name, mode, fs_type);
 	if (IS_ERR(bdev))
 		return PTR_ERR(bdev);
 
@@ -785,11 +789,12 @@ int get_sb_bdev(struct file_system_type *fs_type,
 			goto error_bdev;
 		}
 
-		close_bdev_excl(bdev);
+		close_bdev_exclusive(bdev, mode);
 	} else {
 		char b[BDEVNAME_SIZE];
 
 		s->s_flags = flags;
+		s->s_mode = mode;
 		strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));
 		sb_set_blocksize(s, block_size(bdev));
 		error = fill_super(s, data, flags & MS_SILENT ? 1 : 0);
@@ -807,7 +812,7 @@ int get_sb_bdev(struct file_system_type *fs_type,
 error_s:
 	error = PTR_ERR(s);
 error_bdev:
-	close_bdev_excl(bdev);
+	close_bdev_exclusive(bdev, mode);
 error:
 	return error;
 }
@@ -817,10 +822,11 @@ EXPORT_SYMBOL(get_sb_bdev);
 void kill_block_super(struct super_block *sb)
 {
 	struct block_device *bdev = sb->s_bdev;
+	fmode_t mode = sb->s_mode;
 
 	generic_shutdown_super(sb);
 	sync_blockdev(bdev);
-	close_bdev_excl(bdev);
+	close_bdev_exclusive(bdev, mode);
 }
 
 EXPORT_SYMBOL(kill_block_super);
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index e39013619b2..37ebe36056e 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -589,7 +589,7 @@ xfs_blkdev_get(
 {
 	int			error = 0;
 
-	*bdevp = open_bdev_excl(name, 0, mp);
+	*bdevp = open_bdev_exclusive(name, FMODE_READ|FMODE_WRITE, mp);
 	if (IS_ERR(*bdevp)) {
 		error = PTR_ERR(*bdevp);
 		printk("XFS: Invalid device [%s], error=%d\n", name, error);
@@ -603,7 +603,7 @@ xfs_blkdev_put(
 	struct block_device	*bdev)
 {
 	if (bdev)
-		close_bdev_excl(bdev);
+		close_bdev_exclusive(bdev, FMODE_READ|FMODE_WRITE);
 }
 
 /*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 04c8dc41f45..c6766314dc5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1157,6 +1157,7 @@ struct super_block {
 	char s_id[32];				/* Informational name */
 
 	void 			*s_fs_info;	/* Filesystem private info */
+	fmode_t			s_mode;
 
 	/*
 	 * The next field is for VFS *only*. No filesystems have any business
@@ -1753,9 +1754,10 @@ extern void chrdev_show(struct seq_file *,off_t);
 extern const char *__bdevname(dev_t, char *buffer);
 extern const char *bdevname(struct block_device *bdev, char *buffer);
 extern struct block_device *lookup_bdev(const char *);
-extern struct block_device *open_bdev_excl(const char *, int, void *);
-extern void close_bdev_excl(struct block_device *);
+extern struct block_device *open_bdev_exclusive(const char *, fmode_t, void *);
+extern void close_bdev_exclusive(struct block_device *, fmode_t);
 extern void blkdev_show(struct seq_file *,off_t);
+
 #else
 #define BLKDEV_MAJOR_HASH_SIZE	0
 #endif
-- 
GitLab


From c2dd0dae185423fb243b13d490c3fcfaa18ff333 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 8 Oct 2007 13:21:10 -0400
Subject: [PATCH 1677/2224] [PATCH] propagate mode through swsusp_close()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 kernel/power/disk.c  | 2 +-
 kernel/power/power.h | 2 +-
 kernel/power/swap.c  | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index 331f9836383..c9d74083746 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -651,7 +651,7 @@ static int software_resume(void)
 	pr_debug("PM: Preparing processes for restore.\n");
 	error = prepare_processes();
 	if (error) {
-		swsusp_close();
+		swsusp_close(FMODE_READ);
 		goto Done;
 	}
 
diff --git a/kernel/power/power.h b/kernel/power/power.h
index acc0c101dbd..46b5ec7a3af 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -153,7 +153,7 @@ extern int swsusp_shrink_memory(void);
 extern void swsusp_free(void);
 extern int swsusp_read(unsigned int *flags_p);
 extern int swsusp_write(unsigned int flags);
-extern void swsusp_close(void);
+extern void swsusp_close(fmode_t);
 
 struct timeval;
 /* kernel/power/swsusp.c */
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 7b9d611c110..178b001a4f1 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -426,7 +426,7 @@ int swsusp_write(unsigned int flags)
 
 	release_swap_writer(&handle);
  out:
-	swsusp_close();
+	swsusp_close(FMODE_WRITE);
 	return error;
 }
 
@@ -626,14 +626,14 @@ int swsusp_check(void)
  *	swsusp_close - close swap device.
  */
 
-void swsusp_close(void)
+void swsusp_close(fmode_t mode)
 {
 	if (IS_ERR(resume_bdev)) {
 		pr_debug("PM: Image device not initialised\n");
 		return;
 	}
 
-	blkdev_put(resume_bdev, 0); /* move up */
+	blkdev_put(resume_bdev, mode); /* move up */
 }
 
 static int swsusp_header_init(void)
-- 
GitLab


From e5eb8caa83a76191feb9705c1a0a689ca260b91e Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 8 Oct 2007 13:24:05 -0400
Subject: [PATCH 1678/2224] [PATCH] remember mode of reiserfs journal

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/reiserfs/journal.c          | 6 ++++--
 include/linux/reiserfs_fs_sb.h | 1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 70b89607667..9643c3bbeb3 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2575,7 +2575,7 @@ static int release_journal_dev(struct super_block *super,
 	if (journal->j_dev_bd != NULL) {
 		if (journal->j_dev_bd->bd_dev != super->s_dev)
 			bd_release(journal->j_dev_bd);
-		result = blkdev_put(journal->j_dev_bd, 0); /* move up */
+		result = blkdev_put(journal->j_dev_bd, journal->j_dev_mode);
 		journal->j_dev_bd = NULL;
 	}
 
@@ -2608,6 +2608,7 @@ static int journal_init_dev(struct super_block *super,
 	/* there is no "jdev" option and journal is on separate device */
 	if ((!jdev_name || !jdev_name[0])) {
 		journal->j_dev_bd = open_by_devnum(jdev, blkdev_mode);
+		journal->j_dev_mode = blkdev_mode;
 		if (IS_ERR(journal->j_dev_bd)) {
 			result = PTR_ERR(journal->j_dev_bd);
 			journal->j_dev_bd = NULL;
@@ -2628,8 +2629,9 @@ static int journal_init_dev(struct super_block *super,
 		return 0;
 	}
 
+	journal->j_dev_mode = blkdev_mode;
 	journal->j_dev_bd = open_bdev_exclusive(jdev_name,
-						FMODE_READ|FMODE_WRITE, journal);
+						blkdev_mode, journal);
 	if (IS_ERR(journal->j_dev_bd)) {
 		result = PTR_ERR(journal->j_dev_bd);
 		journal->j_dev_bd = NULL;
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 315517e8bfa..bda6b562a1e 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -178,6 +178,7 @@ struct reiserfs_journal {
 	struct reiserfs_journal_cnode *j_first;	/*  oldest journal block.  start here for traverse */
 
 	struct block_device *j_dev_bd;
+	fmode_t j_dev_mode;
 	int j_1st_reserved_block;	/* first block on s_dev of reserved area journal */
 
 	unsigned long j_state;
-- 
GitLab


From 572c48921574dbe6dceb958cf965aa962baefde4 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 8 Oct 2007 13:24:05 -0400
Subject: [PATCH 1679/2224] [PATCH] sanitize blkdev_get() and friends

* get rid of fake struct file/struct dentry in __blkdev_get()
* merge __blkdev_get() and do_open()
* get rid of flags argument of blkdev_get()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/block/pktcdvd.c         |  4 +-
 drivers/char/raw.c              |  2 +-
 drivers/s390/block/dasd_genhd.c |  2 +-
 fs/block_dev.c                  | 65 +++++++++++----------------------
 fs/ocfs2/cluster/heartbeat.c    |  2 +-
 fs/partitions/check.c           |  2 +-
 include/linux/fs.h              |  2 +-
 kernel/power/swap.c             |  2 +-
 8 files changed, 30 insertions(+), 51 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index ce8c7190192..f20bf359b84 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2332,7 +2332,7 @@ static int pkt_open_dev(struct pktcdvd_device *pd, fmode_t write)
 	 * so bdget() can't fail.
 	 */
 	bdget(pd->bdev->bd_dev);
-	if ((ret = blkdev_get(pd->bdev, FMODE_READ, O_RDONLY)))
+	if ((ret = blkdev_get(pd->bdev, FMODE_READ)))
 		goto out;
 
 	if ((ret = bd_claim(pd->bdev, pd)))
@@ -2765,7 +2765,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
 	bdev = bdget(dev);
 	if (!bdev)
 		return -ENOMEM;
-	ret = blkdev_get(bdev, FMODE_READ, O_RDONLY | O_NONBLOCK);
+	ret = blkdev_get(bdev, FMODE_READ | FMODE_NDELAY);
 	if (ret)
 		return ret;
 
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index bfd59e6bf54..f3cf5eb9b7f 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -65,7 +65,7 @@ static int raw_open(struct inode *inode, struct file *filp)
 	if (!bdev)
 		goto out;
 	igrab(bdev->bd_inode);
-	err = blkdev_get(bdev, filp->f_mode, 0);
+	err = blkdev_get(bdev, filp->f_mode);
 	if (err)
 		goto out;
 	err = bd_claim(bdev, raw_open);
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 3c1b6915c9a..e99d566b69c 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -99,7 +99,7 @@ int dasd_scan_partitions(struct dasd_block *block)
 	struct block_device *bdev;
 
 	bdev = bdget_disk(block->gdp, 0);
-	if (!bdev || blkdev_get(bdev, FMODE_READ, 1) < 0)
+	if (!bdev || blkdev_get(bdev, FMODE_READ) < 0)
 		return -ENODEV;
 	/*
 	 * See fs/partition/check.c:register_disk,rescan_partitions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 4b595904cef..b89c956e04f 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -844,9 +844,8 @@ struct block_device *open_by_devnum(dev_t dev, fmode_t mode)
 {
 	struct block_device *bdev = bdget(dev);
 	int err = -ENOMEM;
-	int flags = mode & FMODE_WRITE ? O_RDWR : O_RDONLY;
 	if (bdev)
-		err = blkdev_get(bdev, mode, flags);
+		err = blkdev_get(bdev, mode);
 	return err ? ERR_PTR(err) : bdev;
 }
 
@@ -975,8 +974,6 @@ void bd_set_size(struct block_device *bdev, loff_t size)
 }
 EXPORT_SYMBOL(bd_set_size);
 
-static int __blkdev_get(struct block_device *bdev, fmode_t mode, unsigned flags,
-			int for_part);
 static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
 
 /*
@@ -986,7 +983,7 @@ static int __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part);
  *    mutex_lock_nested(whole->bd_mutex, 1)
  */
 
-static int do_open(struct block_device *bdev, struct file *file, int for_part)
+static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
 {
 	struct gendisk *disk;
 	struct hd_struct *part = NULL;
@@ -994,9 +991,9 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 	int partno;
 	int perm = 0;
 
-	if (file->f_mode & FMODE_READ)
+	if (mode & FMODE_READ)
 		perm |= MAY_READ;
-	if (file->f_mode & FMODE_WRITE)
+	if (mode & FMODE_WRITE)
 		perm |= MAY_WRITE;
 	/*
 	 * hooks: /n/, see "layering violations".
@@ -1007,15 +1004,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		return ret;
 	}
 
-	if (file->f_flags & O_NDELAY)
-		file->f_mode |= FMODE_NDELAY;
-	if (file->f_flags & O_EXCL)
-		file->f_mode |= FMODE_EXCL;
-	if ((file->f_flags & O_ACCMODE) == 3)
-		file->f_mode |= FMODE_WRITE_IOCTL;
-
 	ret = -ENXIO;
-	file->f_mapping = bdev->bd_inode->i_mapping;
 
 	lock_kernel();
 
@@ -1034,7 +1023,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		if (!partno) {
 			struct backing_dev_info *bdi;
 			if (disk->fops->open) {
-				ret = disk->fops->open(bdev, file->f_mode);
+				ret = disk->fops->open(bdev, mode);
 				if (ret)
 					goto out_clear;
 			}
@@ -1054,7 +1043,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 			if (!whole)
 				goto out_clear;
 			BUG_ON(for_part);
-			ret = __blkdev_get(whole, file->f_mode, file->f_flags, 1);
+			ret = __blkdev_get(whole, mode, 1);
 			if (ret)
 				goto out_clear;
 			bdev->bd_contains = whole;
@@ -1075,7 +1064,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 		disk = NULL;
 		if (bdev->bd_contains == bdev) {
 			if (bdev->bd_disk->fops->open) {
-				ret = bdev->bd_disk->fops->open(bdev, file->f_mode);
+				ret = bdev->bd_disk->fops->open(bdev, mode);
 				if (ret)
 					goto out_unlock_bdev;
 			}
@@ -1095,7 +1084,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 	bdev->bd_part = NULL;
 	bdev->bd_inode->i_data.backing_dev_info = &default_backing_dev_info;
 	if (bdev != bdev->bd_contains)
-		__blkdev_put(bdev->bd_contains, file->f_mode, 1);
+		__blkdev_put(bdev->bd_contains, mode, 1);
 	bdev->bd_contains = NULL;
  out_unlock_bdev:
 	mutex_unlock(&bdev->bd_mutex);
@@ -1111,28 +1100,9 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
 	return ret;
 }
 
-static int __blkdev_get(struct block_device *bdev, fmode_t mode, unsigned flags,
-			int for_part)
-{
-	/*
-	 * This crockload is due to bad choice of ->open() type.
-	 * It will go away.
-	 * For now, block device ->open() routine must _not_
-	 * examine anything in 'inode' argument except ->i_rdev.
-	 */
-	struct file fake_file = {};
-	struct dentry fake_dentry = {};
-	fake_file.f_mode = mode;
-	fake_file.f_flags = flags;
-	fake_file.f_path.dentry = &fake_dentry;
-	fake_dentry.d_inode = bdev->bd_inode;
-
-	return do_open(bdev, &fake_file, for_part);
-}
-
-int blkdev_get(struct block_device *bdev, fmode_t mode, unsigned flags)
+int blkdev_get(struct block_device *bdev, fmode_t mode)
 {
-	return __blkdev_get(bdev, mode, flags, 0);
+	return __blkdev_get(bdev, mode, 0);
 }
 EXPORT_SYMBOL(blkdev_get);
 
@@ -1149,15 +1119,24 @@ static int blkdev_open(struct inode * inode, struct file * filp)
 	 */
 	filp->f_flags |= O_LARGEFILE;
 
+	if (filp->f_flags & O_NDELAY)
+		filp->f_mode |= FMODE_NDELAY;
+	if (filp->f_flags & O_EXCL)
+		filp->f_mode |= FMODE_EXCL;
+	if ((filp->f_flags & O_ACCMODE) == 3)
+		filp->f_mode |= FMODE_WRITE_IOCTL;
+
 	bdev = bd_acquire(inode);
 	if (bdev == NULL)
 		return -ENOMEM;
 
-	res = do_open(bdev, filp, 0);
+	filp->f_mapping = bdev->bd_inode->i_mapping;
+
+	res = blkdev_get(bdev, filp->f_mode);
 	if (res)
 		return res;
 
-	if (!(filp->f_flags & O_EXCL) )
+	if (!(filp->f_mode & FMODE_EXCL))
 		return 0;
 
 	if (!(res = bd_claim(bdev, filp)))
@@ -1327,7 +1306,7 @@ struct block_device *open_bdev_exclusive(const char *path, fmode_t mode, void *h
 	if (IS_ERR(bdev))
 		return bdev;
 
-	error = blkdev_get(bdev, mode, 0);
+	error = blkdev_get(bdev, mode);
 	if (error)
 		return ERR_PTR(error);
 	error = -EACCES;
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 4b6fdf591ee..6ebaa58e2c0 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1268,7 +1268,7 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,
 		goto out;
 
 	reg->hr_bdev = I_BDEV(filp->f_mapping->host);
-	ret = blkdev_get(reg->hr_bdev, FMODE_WRITE | FMODE_READ, 0);
+	ret = blkdev_get(reg->hr_bdev, FMODE_WRITE | FMODE_READ);
 	if (ret) {
 		reg->hr_bdev = NULL;
 		goto out;
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 5a35ff2e1a9..633f7a0ebb2 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -485,7 +485,7 @@ void register_disk(struct gendisk *disk)
 		goto exit;
 
 	bdev->bd_invalidated = 1;
-	err = blkdev_get(bdev, FMODE_READ, 0);
+	err = blkdev_get(bdev, FMODE_READ);
 	if (err < 0)
 		goto exit;
 	blkdev_put(bdev, FMODE_READ);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index c6766314dc5..cb78e389699 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1722,7 +1722,7 @@ extern int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 			       struct gendisk *disk, unsigned cmd,
 			       unsigned long arg);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
-extern int blkdev_get(struct block_device *, fmode_t, unsigned);
+extern int blkdev_get(struct block_device *, fmode_t);
 extern int blkdev_put(struct block_device *, fmode_t);
 extern int bd_claim(struct block_device *, void *);
 extern void bd_release(struct block_device *);
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 178b001a4f1..b7713b53d07 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -172,7 +172,7 @@ static int swsusp_swap_check(void) /* This is called before saving image */
 		return res;
 
 	root_swap = res;
-	res = blkdev_get(resume_bdev, FMODE_WRITE, O_RDWR);
+	res = blkdev_get(resume_bdev, FMODE_WRITE);
 	if (res)
 		return res;
 
-- 
GitLab


From e436fdae70a31102d2be32969b80fe8545edebd9 Mon Sep 17 00:00:00 2001
From: Al Viro <al@aretha.pdmi.ras.ru>
Date: Thu, 18 Sep 2008 03:38:12 -0400
Subject: [PATCH 1680/2224] [PATCH] get rid of blkdev_driver_ioctl()

convert remaining callers to __blkdev_driver_ioctl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/ioctl.c      | 29 ++++++++++-------------------
 include/linux/fs.h |  3 ---
 2 files changed, 10 insertions(+), 22 deletions(-)

diff --git a/block/ioctl.c b/block/ioctl.c
index 0db89f95b15..b4e0abed1b4 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -265,21 +265,6 @@ static int blkdev_locked_ioctl(struct file *file, struct block_device *bdev,
 	return -ENOIOCTLCMD;
 }
 
-int blkdev_driver_ioctl(struct inode *inode, struct file *file,
-			struct gendisk *disk, unsigned cmd, unsigned long arg)
-{
-	int ret;
-	fmode_t mode = 0;
-	if (file) {
-		mode = file->f_mode;
-		if (file->f_flags & O_NDELAY)
-			mode |= FMODE_NDELAY_NOW;
-	}
-
-	return __blkdev_driver_ioctl(inode->i_bdev, mode, cmd, arg);
-}
-EXPORT_SYMBOL_GPL(blkdev_driver_ioctl);
-
 int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned cmd, unsigned long arg)
 {
@@ -315,13 +300,19 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
 	int ret, n;
+	fmode_t mode = 0;
+	if (file) {
+		mode = file->f_mode;
+		if (file->f_flags & O_NDELAY)
+			mode |= FMODE_NDELAY_NOW;
+	}
 
 	switch(cmd) {
 	case BLKFLSBUF:
 		if (!capable(CAP_SYS_ADMIN))
 			return -EACCES;
 
-		ret = blkdev_driver_ioctl(inode, file, disk, cmd, arg);
+		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 		/* -EINVAL to handle old uncorrected drivers */
 		if (ret != -EINVAL && ret != -ENOTTY)
 			return ret;
@@ -333,7 +324,7 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 		return 0;
 
 	case BLKROSET:
-		ret = blkdev_driver_ioctl(inode, file, disk, cmd, arg);
+		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 		/* -EINVAL to handle old uncorrected drivers */
 		if (ret != -EINVAL && ret != -ENOTTY)
 			return ret;
@@ -349,7 +340,7 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 	case BLKDISCARD: {
 		uint64_t range[2];
 
-		if (!(file->f_mode & FMODE_WRITE))
+		if (!(mode & FMODE_WRITE))
 			return -EBADF;
 
 		if (copy_from_user(range, (void __user *)arg, sizeof(range)))
@@ -387,6 +378,6 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 	if (ret != -ENOIOCTLCMD)
 		return ret;
 
-	return blkdev_driver_ioctl(inode, file, disk, cmd, arg);
+	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 }
 EXPORT_SYMBOL_GPL(blkdev_ioctl);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cb78e389699..11de682c65a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1718,9 +1718,6 @@ extern const struct file_operations def_fifo_fops;
 #ifdef CONFIG_BLOCK
 extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
 extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
-extern int blkdev_driver_ioctl(struct inode *inode, struct file *file,
-			       struct gendisk *disk, unsigned cmd,
-			       unsigned long arg);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
 extern int blkdev_get(struct block_device *, fmode_t);
 extern int blkdev_put(struct block_device *, fmode_t);
-- 
GitLab


From 45048d0961cdbf7ddfba906797ad8cb42489e070 Mon Sep 17 00:00:00 2001
From: Al Viro <al@aretha.pdmi.ras.ru>
Date: Thu, 18 Sep 2008 15:53:24 -0400
Subject: [PATCH 1681/2224] [PATCH] get rid of blkdev_locked_ioctl()

Most of that stuff doesn't need BKL at all; expand in the (only) caller,
merge the switch into one there and leave BKL only around the stuff that
might actually need it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/compat_ioctl.c | 101 +++++++++++++++---------------
 block/ioctl.c        | 142 +++++++++++++++++++++----------------------
 2 files changed, 119 insertions(+), 124 deletions(-)

diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 504344d2902..5b3db0640d8 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -688,12 +688,40 @@ static int compat_blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 	return __blkdev_driver_ioctl(bdev, mode, cmd, arg);
 }
 
-static int compat_blkdev_locked_ioctl(struct block_device *bdev,
-				unsigned cmd, unsigned long arg)
+/* Most of the generic ioctls are handled in the normal fallback path.
+   This assumes the blkdev's low level compat_ioctl always returns
+   ENOIOCTLCMD for unknown ioctls. */
+long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 {
+	int ret = -ENOIOCTLCMD;
+	struct inode *inode = file->f_mapping->host;
+	struct block_device *bdev = inode->i_bdev;
+	struct gendisk *disk = bdev->bd_disk;
+	fmode_t mode = file->f_mode;
 	struct backing_dev_info *bdi;
+	loff_t size;
+
+	if (file->f_flags & O_NDELAY)
+		mode |= FMODE_NDELAY_NOW;
 
 	switch (cmd) {
+	case HDIO_GETGEO:
+		return compat_hdio_getgeo(disk, bdev, compat_ptr(arg));
+	case BLKFLSBUF:
+	case BLKROSET:
+	case BLKDISCARD:
+	/*
+	 * the ones below are implemented in blkdev_locked_ioctl,
+	 * but we call blkdev_ioctl, which gets the lock for us
+	 */
+	case BLKRRPART:
+		return blkdev_ioctl(inode, file, cmd,
+				(unsigned long)compat_ptr(arg));
+	case BLKBSZSET_32:
+		return blkdev_ioctl(inode, file, BLKBSZSET,
+				(unsigned long)compat_ptr(arg));
+	case BLKPG:
+		return compat_blkpg_ioctl(inode, file, cmd, compat_ptr(arg));
 	case BLKRAGET:
 	case BLKFRAGET:
 		if (!arg)
@@ -719,67 +747,36 @@ static int compat_blkdev_locked_ioctl(struct block_device *bdev,
 		bdi = blk_get_backing_dev_info(bdev);
 		if (bdi == NULL)
 			return -ENOTTY;
+		lock_kernel();
 		bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
+		unlock_kernel();
 		return 0;
 	case BLKGETSIZE:
-		if ((bdev->bd_inode->i_size >> 9) > ~0UL)
+		size = bdev->bd_inode->i_size;
+		if ((size >> 9) > ~0UL)
 			return -EFBIG;
-		return compat_put_ulong(arg, bdev->bd_inode->i_size >> 9);
+		return compat_put_ulong(arg, size >> 9);
 
 	case BLKGETSIZE64_32:
 		return compat_put_u64(arg, bdev->bd_inode->i_size);
 
 	case BLKTRACESETUP32:
-		return compat_blk_trace_setup(bdev, compat_ptr(arg));
+		lock_kernel();
+		ret = compat_blk_trace_setup(bdev, compat_ptr(arg));
+		unlock_kernel();
+		return ret;
 	case BLKTRACESTART: /* compatible */
 	case BLKTRACESTOP:  /* compatible */
 	case BLKTRACETEARDOWN: /* compatible */
-		return blk_trace_ioctl(bdev, cmd, compat_ptr(arg));
-	}
-	return -ENOIOCTLCMD;
-}
-
-/* Most of the generic ioctls are handled in the normal fallback path.
-   This assumes the blkdev's low level compat_ioctl always returns
-   ENOIOCTLCMD for unknown ioctls. */
-long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
-{
-	int ret = -ENOIOCTLCMD;
-	struct inode *inode = file->f_mapping->host;
-	struct block_device *bdev = inode->i_bdev;
-	struct gendisk *disk = bdev->bd_disk;
-	fmode_t mode = file->f_mode;
-	if (file->f_flags & O_NDELAY)
-		mode |= FMODE_NDELAY_NOW;
-
-	switch (cmd) {
-	case HDIO_GETGEO:
-		return compat_hdio_getgeo(disk, bdev, compat_ptr(arg));
-	case BLKFLSBUF:
-	case BLKROSET:
-	case BLKDISCARD:
-	/*
-	 * the ones below are implemented in blkdev_locked_ioctl,
-	 * but we call blkdev_ioctl, which gets the lock for us
-	 */
-	case BLKRRPART:
-		return blkdev_ioctl(inode, file, cmd,
-				(unsigned long)compat_ptr(arg));
-	case BLKBSZSET_32:
-		return blkdev_ioctl(inode, file, BLKBSZSET,
-				(unsigned long)compat_ptr(arg));
-	case BLKPG:
-		return compat_blkpg_ioctl(inode, file, cmd, compat_ptr(arg));
-	}
-
-	lock_kernel();
-	ret = compat_blkdev_locked_ioctl(bdev, cmd, arg);
-	unlock_kernel();
-	if (ret == -ENOIOCTLCMD && disk->fops->compat_ioctl)
-		ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg);
-
-	if (ret != -ENOIOCTLCMD)
+		lock_kernel();
+		ret = blk_trace_ioctl(bdev, cmd, compat_ptr(arg));
+		unlock_kernel();
 		return ret;
-
-	return compat_blkdev_driver_ioctl(bdev, mode, cmd, arg);
+	default:
+		if (disk->fops->compat_ioctl)
+			ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg);
+		if (ret == -ENOIOCTLCMD)
+			ret = compat_blkdev_driver_ioctl(bdev, mode, cmd, arg);
+		return ret;
+	}
 }
diff --git a/block/ioctl.c b/block/ioctl.c
index b4e0abed1b4..bd214cb37f2 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -201,70 +201,6 @@ static int put_u64(unsigned long arg, u64 val)
 	return put_user(val, (u64 __user *)arg);
 }
 
-static int blkdev_locked_ioctl(struct file *file, struct block_device *bdev,
-				unsigned cmd, unsigned long arg)
-{
-	struct backing_dev_info *bdi;
-	int ret, n;
-
-	switch (cmd) {
-	case BLKRAGET:
-	case BLKFRAGET:
-		if (!arg)
-			return -EINVAL;
-		bdi = blk_get_backing_dev_info(bdev);
-		if (bdi == NULL)
-			return -ENOTTY;
-		return put_long(arg, (bdi->ra_pages * PAGE_CACHE_SIZE) / 512);
-	case BLKROGET:
-		return put_int(arg, bdev_read_only(bdev) != 0);
-	case BLKBSZGET: /* get the logical block size (cf. BLKSSZGET) */
-		return put_int(arg, block_size(bdev));
-	case BLKSSZGET: /* get block device hardware sector size */
-		return put_int(arg, bdev_hardsect_size(bdev));
-	case BLKSECTGET:
-		return put_ushort(arg, bdev_get_queue(bdev)->max_sectors);
-	case BLKRASET:
-	case BLKFRASET:
-		if(!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-		bdi = blk_get_backing_dev_info(bdev);
-		if (bdi == NULL)
-			return -ENOTTY;
-		bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
-		return 0;
-	case BLKBSZSET:
-		/* set the logical block size */
-		if (!capable(CAP_SYS_ADMIN))
-			return -EACCES;
-		if (!arg)
-			return -EINVAL;
-		if (get_user(n, (int __user *) arg))
-			return -EFAULT;
-		if (bd_claim(bdev, file) < 0)
-			return -EBUSY;
-		ret = set_blocksize(bdev, n);
-		bd_release(bdev);
-		return ret;
-	case BLKPG:
-		return blkpg_ioctl(bdev, (struct blkpg_ioctl_arg __user *) arg);
-	case BLKRRPART:
-		return blkdev_reread_part(bdev);
-	case BLKGETSIZE:
-		if ((bdev->bd_inode->i_size >> 9) > ~0UL)
-			return -EFBIG;
-		return put_ulong(arg, bdev->bd_inode->i_size >> 9);
-	case BLKGETSIZE64:
-		return put_u64(arg, bdev->bd_inode->i_size);
-	case BLKTRACESTART:
-	case BLKTRACESTOP:
-	case BLKTRACESETUP:
-	case BLKTRACETEARDOWN:
-		return blk_trace_ioctl(bdev, cmd, (char __user *) arg);
-	}
-	return -ENOIOCTLCMD;
-}
-
 int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned cmd, unsigned long arg)
 {
@@ -299,6 +235,8 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 {
 	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
+	struct backing_dev_info *bdi;
+	loff_t size;
 	int ret, n;
 	fmode_t mode = 0;
 	if (file) {
@@ -370,14 +308,74 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 			return -EFAULT;
 		return 0;
 	}
-	}
-
-	lock_kernel();
-	ret = blkdev_locked_ioctl(file, bdev, cmd, arg);
-	unlock_kernel();
-	if (ret != -ENOIOCTLCMD)
+	case BLKRAGET:
+	case BLKFRAGET:
+		if (!arg)
+			return -EINVAL;
+		bdi = blk_get_backing_dev_info(bdev);
+		if (bdi == NULL)
+			return -ENOTTY;
+		return put_long(arg, (bdi->ra_pages * PAGE_CACHE_SIZE) / 512);
+	case BLKROGET:
+		return put_int(arg, bdev_read_only(bdev) != 0);
+	case BLKBSZGET: /* get the logical block size (cf. BLKSSZGET) */
+		return put_int(arg, block_size(bdev));
+	case BLKSSZGET: /* get block device hardware sector size */
+		return put_int(arg, bdev_hardsect_size(bdev));
+	case BLKSECTGET:
+		return put_ushort(arg, bdev_get_queue(bdev)->max_sectors);
+	case BLKRASET:
+	case BLKFRASET:
+		if(!capable(CAP_SYS_ADMIN))
+			return -EACCES;
+		bdi = blk_get_backing_dev_info(bdev);
+		if (bdi == NULL)
+			return -ENOTTY;
+		lock_kernel();
+		bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
+		unlock_kernel();
+		return 0;
+	case BLKBSZSET:
+		/* set the logical block size */
+		if (!capable(CAP_SYS_ADMIN))
+			return -EACCES;
+		if (!arg)
+			return -EINVAL;
+		if (get_user(n, (int __user *) arg))
+			return -EFAULT;
+		if (bd_claim(bdev, file) < 0)
+			return -EBUSY;
+		ret = set_blocksize(bdev, n);
+		bd_release(bdev);
 		return ret;
-
-	ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
+	case BLKPG:
+		lock_kernel();
+		ret = blkpg_ioctl(bdev, (struct blkpg_ioctl_arg __user *) arg);
+		unlock_kernel();
+		break;
+	case BLKRRPART:
+		lock_kernel();
+		ret = blkdev_reread_part(bdev);
+		unlock_kernel();
+		break;
+	case BLKGETSIZE:
+		size = bdev->bd_inode->i_size;
+		if ((size >> 9) > ~0UL)
+			return -EFBIG;
+		return put_ulong(arg, size >> 9);
+	case BLKGETSIZE64:
+		return put_u64(arg, bdev->bd_inode->i_size);
+	case BLKTRACESTART:
+	case BLKTRACESTOP:
+	case BLKTRACESETUP:
+	case BLKTRACETEARDOWN:
+		lock_kernel();
+		ret = blk_trace_ioctl(bdev, cmd, (char __user *) arg);
+		unlock_kernel();
+		break;
+	default:
+		ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg);
+	}
+	return ret;
 }
 EXPORT_SYMBOL_GPL(blkdev_ioctl);
-- 
GitLab


From 6af3a56e1dd4d95836a47214e5c60d5b749a5501 Mon Sep 17 00:00:00 2001
From: Al Viro <al@aretha.pdmi.ras.ru>
Date: Fri, 19 Sep 2008 03:08:13 -0400
Subject: [PATCH 1682/2224] [PATCH] get rid of struct file use in
 blkdev_ioctl() BLKBSZSET

We need to do bd_claim() only if file hadn't been opened with O_EXCL
and then we have no need to use file itself as owner.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/ioctl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/block/ioctl.c b/block/ioctl.c
index bd214cb37f2..14b7f2c1066 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -343,10 +343,11 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
 			return -EINVAL;
 		if (get_user(n, (int __user *) arg))
 			return -EFAULT;
-		if (bd_claim(bdev, file) < 0)
+		if (!(mode & FMODE_EXCL) && bd_claim(bdev, &bdev) < 0)
 			return -EBUSY;
 		ret = set_blocksize(bdev, n);
-		bd_release(bdev);
+		if (!(mode & FMODE_EXCL))
+			bd_release(bdev);
 		return ret;
 	case BLKPG:
 		lock_kernel();
-- 
GitLab


From 56b26add02b4bdea81d5e0ebda60db1fe3311ad4 Mon Sep 17 00:00:00 2001
From: Al Viro <al@aretha.pdmi.ras.ru>
Date: Fri, 19 Sep 2008 03:17:36 -0400
Subject: [PATCH 1683/2224] [PATCH] kill the rest of struct file propagation in
 block ioctls

Now we can switch blkdev_ioctl() block_device/mode

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 block/compat_ioctl.c | 10 +++++-----
 block/ioctl.c        |  9 +--------
 drivers/char/raw.c   |  2 +-
 fs/block_dev.c       |  8 ++++++--
 include/linux/fs.h   |  2 +-
 5 files changed, 14 insertions(+), 17 deletions(-)

diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 5b3db0640d8..3098c92402f 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -177,7 +177,7 @@ struct compat_blkpg_ioctl_arg {
 	compat_caddr_t data;
 };
 
-static int compat_blkpg_ioctl(struct inode *inode, struct file *file,
+static int compat_blkpg_ioctl(struct block_device *bdev, fmode_t mode,
 		unsigned int cmd, struct compat_blkpg_ioctl_arg __user *ua32)
 {
 	struct blkpg_ioctl_arg __user *a = compat_alloc_user_space(sizeof(*a));
@@ -196,7 +196,7 @@ static int compat_blkpg_ioctl(struct inode *inode, struct file *file,
 	if (err)
 		return err;
 
-	return blkdev_ioctl(inode, file, cmd, (unsigned long)a);
+	return blkdev_ioctl(bdev, mode, cmd, (unsigned long)a);
 }
 
 #define BLKBSZGET_32		_IOR(0x12, 112, int)
@@ -715,13 +715,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	 * but we call blkdev_ioctl, which gets the lock for us
 	 */
 	case BLKRRPART:
-		return blkdev_ioctl(inode, file, cmd,
+		return blkdev_ioctl(bdev, mode, cmd,
 				(unsigned long)compat_ptr(arg));
 	case BLKBSZSET_32:
-		return blkdev_ioctl(inode, file, BLKBSZSET,
+		return blkdev_ioctl(bdev, mode, BLKBSZSET,
 				(unsigned long)compat_ptr(arg));
 	case BLKPG:
-		return compat_blkpg_ioctl(inode, file, cmd, compat_ptr(arg));
+		return compat_blkpg_ioctl(bdev, mode, cmd, compat_ptr(arg));
 	case BLKRAGET:
 	case BLKFRAGET:
 		if (!arg)
diff --git a/block/ioctl.c b/block/ioctl.c
index 14b7f2c1066..c832d639b6e 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -230,20 +230,13 @@ EXPORT_SYMBOL_GPL(__blkdev_driver_ioctl);
  * always keep this in sync with compat_blkdev_ioctl() and
  * compat_blkdev_locked_ioctl()
  */
-int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd,
+int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
 			unsigned long arg)
 {
-	struct block_device *bdev = inode->i_bdev;
 	struct gendisk *disk = bdev->bd_disk;
 	struct backing_dev_info *bdi;
 	loff_t size;
 	int ret, n;
-	fmode_t mode = 0;
-	if (file) {
-		mode = file->f_mode;
-		if (file->f_flags & O_NDELAY)
-			mode |= FMODE_NDELAY_NOW;
-	}
 
 	switch(cmd) {
 	case BLKFLSBUF:
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index f3cf5eb9b7f..96adf28a17e 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -125,7 +125,7 @@ raw_ioctl(struct inode *inode, struct file *filp,
 {
 	struct block_device *bdev = filp->private_data;
 
-	return blkdev_ioctl(bdev->bd_inode, NULL, command, arg);
+	return blkdev_ioctl(bdev, 0, command, arg);
 }
 
 static void bind_device(struct raw_config_request *rq)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index b89c956e04f..05865b93f7e 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1202,7 +1202,11 @@ static int blkdev_close(struct inode * inode, struct file * filp)
 
 static long block_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 {
-	return blkdev_ioctl(file->f_mapping->host, file, cmd, arg);
+	struct block_device *bdev = I_BDEV(file->f_mapping->host);
+	fmode_t mode = file->f_mode;
+	if (file->f_flags & O_NDELAY)
+		mode |= FMODE_NDELAY_NOW;
+	return blkdev_ioctl(bdev, mode, cmd, arg);
 }
 
 static const struct address_space_operations def_blk_aops = {
@@ -1238,7 +1242,7 @@ int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg)
 	int res;
 	mm_segment_t old_fs = get_fs();
 	set_fs(KERNEL_DS);
-	res = blkdev_ioctl(bdev->bd_inode, NULL, cmd, arg);
+	res = blkdev_ioctl(bdev, 0, cmd, arg);
 	set_fs(old_fs);
 	return res;
 }
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 11de682c65a..ff536e106b4 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1717,7 +1717,7 @@ extern const struct file_operations bad_sock_fops;
 extern const struct file_operations def_fifo_fops;
 #ifdef CONFIG_BLOCK
 extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
-extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
+extern int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
 extern int blkdev_get(struct block_device *, fmode_t);
 extern int blkdev_put(struct block_device *, fmode_t);
-- 
GitLab


From 3b495513a2a033d401eba213327c1525d863eb9b Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 21 Oct 2008 21:29:03 +0900
Subject: [PATCH 1684/2224] sh: update ov772x byte order on Migo-R

Update the ov772x byte sequence to enable byte swap. This to reflect
the recent CEU driver change to follow incoming byte order.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-migor/setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 94fbdc375bc..b4471931b87 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -318,7 +318,7 @@ static void camera_power(int mode)
 #ifdef CONFIG_I2C
 static unsigned char camera_ov772x_magic[] =
 {
-	0x09, 0x01, 0x0c, 0x10, 0x0d, 0x41, 0x0e, 0x01,
+	0x09, 0x01, 0x0c, 0x20, 0x0d, 0x41, 0x0e, 0x01,
 	0x12, 0x00, 0x13, 0x8F, 0x14, 0x4A, 0x15, 0x00,
 	0x16, 0x00, 0x17, 0x23, 0x18, 0xa0, 0x19, 0x07,
 	0x1a, 0xf0, 0x1b, 0x40, 0x1f, 0x00, 0x20, 0x10,
-- 
GitLab


From ed0b2ef55a393b96211e209f26544f2f180b0fe8 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 21 Oct 2008 21:31:07 +0900
Subject: [PATCH 1685/2224] sh: Update gpio_set_value() pin value handling

This patch updates the pinmux code to use the boolean value for
the function gpio_set_value(). Without this patch values other
than 0 and 1 will result in incorrect GPIO settings.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/gpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sh/kernel/gpio.c b/arch/sh/kernel/gpio.c
index bb8b812c689..9ac0b8e6c21 100644
--- a/arch/sh/kernel/gpio.c
+++ b/arch/sh/kernel/gpio.c
@@ -432,7 +432,7 @@ static int __gpio_get_set_value(struct pinmux_info *gpioc,
 		BUG();
 	else
 		value = read_write_reg(dr->reg, dr->reg_width,
-				       1, bit, value, do_write);
+				       1, bit, !!value, do_write);
 
 	return value;
 }
-- 
GitLab


From e9f95e637320efe1936b647308ddf4ec5b8e0311 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 21 Oct 2008 15:49:59 +0200
Subject: [PATCH 1686/2224] genirq: fix off by one and coding style

Fix off-by-one in for_each_irq_desc_reverse().

Impact is near zero in practice, because nothing substantial wants to
iterate down to IRQ#0 - but fix it nevertheless.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/irq.c | 4 ++--
 include/linux/irqnr.h | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index ccf6c503fc3..d1d4dc52f64 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -36,7 +36,7 @@ void ack_bad_irq(unsigned int irq)
 }
 
 #ifdef CONFIG_X86_32
-# define irq_stats(x)		(&per_cpu(irq_stat,x))
+# define irq_stats(x)		(&per_cpu(irq_stat, x))
 #else
 # define irq_stats(x)		cpu_pda(x)
 #endif
@@ -113,7 +113,7 @@ int show_interrupts(struct seq_file *p, void *v)
 	if (i == 0) {
 		seq_printf(p, "           ");
 		for_each_online_cpu(j)
-			seq_printf(p, "CPU%-8d",j);
+			seq_printf(p, "CPU%-8d", j);
 		seq_putc(p, '\n');
 	}
 
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 3171ddc3b39..452c280c811 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -13,9 +13,9 @@ extern int nr_irqs;
 # define for_each_irq_desc(irq, desc)		\
 	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
 
-# define for_each_irq_desc_reverse(irq, desc)			\
-	for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 );	\
-	     irq > 0; irq--, desc--)
+# define for_each_irq_desc_reverse(irq, desc)				\
+	for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);	\
+	     irq >= 0; irq--, desc--)
 #endif
 
 #define for_each_irq_nr(irq)			\
-- 
GitLab


From b6f3b7803a9231eddc36d0a2a6d2d8105ef89344 Mon Sep 17 00:00:00 2001
From: Dean Nelson <dcn@sgi.com>
Date: Sat, 18 Oct 2008 16:06:56 -0700
Subject: [PATCH 1687/2224] genirq: NULL struct irq_desc's member 'name' in
 dynamic_irq_cleanup()

If the member 'name' of the irq_desc structure happens to point to a
character string that is resident within a kernel module, problems ensue
if that module is rmmod'd (at which time dynamic_irq_cleanup() is called)
and then later show_interrupts() is called by someone.

It is also not a good thing if the character string resided in kmalloc'd
space that has been kfree'd (after having called dynamic_irq_cleanup()).
dynamic_irq_cleanup() fails to NULL the 'name' member and
show_interrupts() references it on a few architectures (like h8300, sh and
x86).

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/chip.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 3de6ea3ee74..10b5092e9bf 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -76,6 +76,7 @@ void dynamic_irq_cleanup(unsigned int irq)
 	desc->chip_data = NULL;
 	desc->handle_irq = handle_bad_irq;
 	desc->chip = &no_irq_chip;
+	desc->name = NULL;
 	spin_unlock_irqrestore(&desc->lock, flags);
 }
 
-- 
GitLab


From 5f86515158ca86182c1dbecd546f1848121ba135 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Fri, 17 Oct 2008 14:40:30 +0800
Subject: [PATCH 1688/2224] rcupdate: fix bug of rcu_barrier*()

current rcu_barrier_bh() is like this:

void rcu_barrier_bh(void)
{
	BUG_ON(in_interrupt());
	/* Take cpucontrol mutex to protect against CPU hotplug */
	mutex_lock(&rcu_barrier_mutex);
	init_completion(&rcu_barrier_completion);
	atomic_set(&rcu_barrier_cpu_count, 0);
	/*
	 * The queueing of callbacks in all CPUs must be atomic with
	 * respect to RCU, otherwise one CPU may queue a callback,
	 * wait for a grace period, decrement barrier count and call
	 * complete(), while other CPUs have not yet queued anything.
	 * So, we need to make sure that grace periods cannot complete
	 * until all the callbacks are queued.
	 */
	rcu_read_lock();
	on_each_cpu(rcu_barrier_func, (void *)RCU_BARRIER_BH, 1);
	rcu_read_unlock();
	wait_for_completion(&rcu_barrier_completion);
	mutex_unlock(&rcu_barrier_mutex);
}

The inconsistency of the code and the comments show a bug here.
rcu_read_lock() cannot make sure that "grace periods for RCU_BH
cannot complete until all the callbacks are queued".
it only make sure that race periods for RCU cannot complete
until all the callbacks are queued.

so we must use rcu_read_lock_bh() for rcu_barrier_bh().
like this:

void rcu_barrier_bh(void)
{
	......
	rcu_read_lock_bh();
	on_each_cpu(rcu_barrier_func, (void *)RCU_BARRIER_BH, 1);
	rcu_read_unlock_bh();
	......
}

and also rcu_barrier() rcu_barrier_sched() are implemented like this.
it will bring a lot of duplicate code. My patch uses another way to
fix this bug, please see the comment of my patch.
Thank Paul E. McKenney for he rewrote the comment.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/rcupdate.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 467d5940f62..ad63af8b252 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -119,18 +119,19 @@ static void _rcu_barrier(enum rcu_barrier type)
 	/* Take cpucontrol mutex to protect against CPU hotplug */
 	mutex_lock(&rcu_barrier_mutex);
 	init_completion(&rcu_barrier_completion);
-	atomic_set(&rcu_barrier_cpu_count, 0);
 	/*
-	 * The queueing of callbacks in all CPUs must be atomic with
-	 * respect to RCU, otherwise one CPU may queue a callback,
-	 * wait for a grace period, decrement barrier count and call
-	 * complete(), while other CPUs have not yet queued anything.
-	 * So, we need to make sure that grace periods cannot complete
-	 * until all the callbacks are queued.
+	 * Initialize rcu_barrier_cpu_count to 1, then invoke
+	 * rcu_barrier_func() on each CPU, so that each CPU also has
+	 * incremented rcu_barrier_cpu_count.  Only then is it safe to
+	 * decrement rcu_barrier_cpu_count -- otherwise the first CPU
+	 * might complete its grace period before all of the other CPUs
+	 * did their increment, causing this function to return too
+	 * early.
 	 */
-	rcu_read_lock();
+	atomic_set(&rcu_barrier_cpu_count, 1);
 	on_each_cpu(rcu_barrier_func, (void *)type, 1);
-	rcu_read_unlock();
+	if (atomic_dec_and_test(&rcu_barrier_cpu_count))
+		complete(&rcu_barrier_completion);
 	wait_for_completion(&rcu_barrier_completion);
 	mutex_unlock(&rcu_barrier_mutex);
 }
-- 
GitLab


From a364bc0b37f14ffd66c1f982af42990a9d77fa43 Mon Sep 17 00:00:00 2001
From: Jeff Layton <sfrench@us.ibm.com>
Date: Tue, 21 Oct 2008 14:42:13 +0000
Subject: [PATCH 1689/2224] [CIFS] fix saving of resume key before CIFSFindNext

We recently fixed the cifs readdir code so that it saves the resume key
before calling CIFSFindNext. Unfortunately, this assumes that we have
just done a CIFSFindFirst (or FindNext) and have resume info to save.
This isn't necessarily the case. Fix the code to save resume info if we
had to reinitiate the search, and after a FindNext.

This fixes connectathon basic test6 against NetApp filers.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
CC: Stable <stable@kernel.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/readdir.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 765adf12d54..58d57299f2a 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -762,14 +762,15 @@ static int find_cifs_entry(const int xid, struct cifsTconInfo *pTcon,
 				 rc));
 			return rc;
 		}
+		cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile);
 	}
 
 	while ((index_to_find >= cifsFile->srch_inf.index_of_last_entry) &&
 	      (rc == 0) && !cifsFile->srch_inf.endOfSearch) {
 		cFYI(1, ("calling findnext2"));
-		cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile);
 		rc = CIFSFindNext(xid, pTcon, cifsFile->netfid,
 				  &cifsFile->srch_inf);
+		cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile);
 		if (rc)
 			return -ENOENT;
 	}
-- 
GitLab


From 737fd10618a424370a5374bf1ba3df4134dbe35d Mon Sep 17 00:00:00 2001
From: Eric Miao <eric.miao@marvell.com>
Date: Mon, 20 Oct 2008 10:35:19 +0800
Subject: [PATCH 1690/2224] [ARM] pxa: update {corgi,spitz}_defconfig to favor
 SPI-based drivers

Recent changes have been made to use the generic SPI-based ads7846
touch screen driver and a generic SPI-based corgi-type LCD/backlight
driver. Update the {corgi,spitz}_defconfig to favor the use of these
drivers instead of the legacy ones.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
---
 arch/arm/configs/corgi_defconfig | 1396 ++++++++++++++++++------------
 arch/arm/configs/spitz_defconfig | 1294 +++++++++++++++++----------
 2 files changed, 1690 insertions(+), 1000 deletions(-)

diff --git a/arch/arm/configs/corgi_defconfig b/arch/arm/configs/corgi_defconfig
index 9b8748a8d9d..f3af0b593eb 100644
--- a/arch/arm/configs/corgi_defconfig
+++ b/arch/arm/configs/corgi_defconfig
@@ -1,71 +1,111 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc2
-# Mon Nov 28 10:30:09 2005
+# Linux kernel version: 2.6.27
+# Mon Oct 20 10:12:23 2008
 #
 CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_MMU=y
-CONFIG_UID16=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
-CONFIG_SYSCTL=y
+# CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
-CONFIG_INITRAMFS_SOURCE=""
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_AIO=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=m
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -79,50 +119,97 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
 
 #
 # System Type
 #
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_CLPS7500 is not set
 # CONFIG_ARCH_CLPS711X is not set
-# CONFIG_ARCH_CO285 is not set
 # CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
-# CONFIG_ARCH_INTEGRATOR is not set
-# CONFIG_ARCH_IOP3XX is not set
-# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
 # CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
 CONFIG_ARCH_PXA=y
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_VERSATILE is not set
-# CONFIG_ARCH_REALVIEW is not set
-# CONFIG_ARCH_IMX is not set
-# CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_MSM7X00A is not set
 
 #
-# Intel PXA2xx Implementations
+# Intel PXA2xx/PXA3xx Implementations
 #
+# CONFIG_ARCH_GUMSTIX is not set
 # CONFIG_ARCH_LUBBOCK is not set
+# CONFIG_MACH_LOGICPD_PXA270 is not set
 # CONFIG_MACH_MAINSTONE is not set
+# CONFIG_MACH_MP900C is not set
 # CONFIG_ARCH_PXA_IDP is not set
 CONFIG_PXA_SHARPSL=y
-CONFIG_PXA_SHARPSL_25x=y
-# CONFIG_PXA_SHARPSL_27x is not set
 CONFIG_MACH_POODLE=y
 CONFIG_MACH_CORGI=y
 CONFIG_MACH_SHEPHERD=y
 CONFIG_MACH_HUSKY=y
+# CONFIG_MACH_AKITA is not set
+# CONFIG_MACH_SPITZ is not set
+# CONFIG_MACH_BORZOI is not set
 CONFIG_MACH_TOSA=y
+# CONFIG_ARCH_VIPER is not set
+# CONFIG_ARCH_PXA_ESERIES is not set
+# CONFIG_TRIZEPS_PXA is not set
+# CONFIG_MACH_EM_X270 is not set
+# CONFIG_MACH_COLIBRI is not set
+# CONFIG_MACH_ZYLONITE is not set
+# CONFIG_MACH_LITTLETON is not set
+# CONFIG_MACH_TAVOREVB is not set
+# CONFIG_MACH_SAAR is not set
+# CONFIG_MACH_ARMCORE is not set
+# CONFIG_MACH_CM_X300 is not set
+# CONFIG_MACH_MAGICIAN is not set
+# CONFIG_MACH_MIOA701 is not set
+# CONFIG_MACH_PCM027 is not set
+# CONFIG_ARCH_PXA_PALM is not set
+# CONFIG_PXA_EZX is not set
 CONFIG_PXA25x=y
 CONFIG_PXA_SHARP_C7xx=y
 CONFIG_PXA_SSP=y
+# CONFIG_PXA_PWM is not set
+# CONFIG_TOSA_BT is not set
+CONFIG_PXA_HAVE_BOARD_IRQS=y
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
 
 #
 # Processor Type
@@ -131,25 +218,30 @@ CONFIG_CPU_32=y
 CONFIG_CPU_XSCALE=y
 CONFIG_CPU_32v5=y
 CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_NOIFAR=y
 CONFIG_CPU_CACHE_VIVT=y
 CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
 
 #
 # Processor Features
 #
 CONFIG_ARM_THUMB=y
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_OUTER_CACHE is not set
+# CONFIG_IWMMXT is not set
 CONFIG_XSCALE_PMU=y
+CONFIG_SHARP_LOCOMO=y
 CONFIG_SHARP_PARAM=y
+CONFIG_SHARPSL_PM=y
 CONFIG_SHARP_SCOOP=y
 
 #
 # Bus support
 #
-CONFIG_ISA_DMA_API=y
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 CONFIG_PCCARD=y
 # CONFIG_PCMCIA_DEBUG is not set
 CONFIG_PCMCIA=y
@@ -164,16 +256,32 @@ CONFIG_PCMCIA_PXA2XX=y
 #
 # Kernel Features
 #
+CONFIG_TICK_ONESHOT=y
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_PREEMPT=y
-# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_HZ=100
+# CONFIG_AEABI is not set
+CONFIG_ARCH_FLATMEM_HAS_HOLES=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
 CONFIG_ALIGNMENT_TRAP=y
 
 #
@@ -183,6 +291,13 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="console=ttyS0,115200n8 console=tty1 noinitrd root=/dev/mtdblock2 rootfstype=jffs2   debug"
 # CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_FREQ is not set
+# CONFIG_CPU_IDLE is not set
 
 #
 # Floating point emulation
@@ -199,6 +314,7 @@ CONFIG_FPE_NWFPE=y
 # Userspace binary formats
 #
 CONFIG_BINFMT_ELF=y
+CONFIG_HAVE_AOUT=y
 CONFIG_BINFMT_AOUT=m
 CONFIG_BINFMT_MISC=m
 # CONFIG_ARTHUR is not set
@@ -207,12 +323,12 @@ CONFIG_BINFMT_MISC=m
 # Power management options
 #
 CONFIG_PM=y
-# CONFIG_PM_LEGACY is not set
-CONFIG_APM=y
-
-#
-# Networking
-#
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_APM_EMULATION=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
 #
@@ -223,6 +339,10 @@ CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -236,140 +356,131 @@ CONFIG_SYN_COOKIES=y
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-
-#
-# IP: Virtual Server Configuration
-#
-# CONFIG_IP_VS is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
 CONFIG_IPV6=m
 # CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=m
 CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
 CONFIG_IPV6_TUNNEL=m
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
 
 #
 # Core Netfilter Configuration
 #
-# CONFIG_NETFILTER_NETLINK is not set
+# CONFIG_NETFILTER_NETLINK_QUEUE is not set
+# CONFIG_NETFILTER_NETLINK_LOG is not set
+# CONFIG_NF_CONNTRACK is not set
+CONFIG_NETFILTER_XTABLES=m
+# CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set
+# CONFIG_NETFILTER_XT_TARGET_DSCP is not set
+# CONFIG_NETFILTER_XT_TARGET_MARK is not set
+# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set
+# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set
+# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
+# CONFIG_NETFILTER_XT_TARGET_TRACE is not set
+# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
+# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set
+# CONFIG_NETFILTER_XT_MATCH_DCCP is not set
+# CONFIG_NETFILTER_XT_MATCH_DSCP is not set
+# CONFIG_NETFILTER_XT_MATCH_ESP is not set
+# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set
+# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
+# CONFIG_NETFILTER_XT_MATCH_LENGTH is not set
+# CONFIG_NETFILTER_XT_MATCH_LIMIT is not set
+# CONFIG_NETFILTER_XT_MATCH_MAC is not set
+# CONFIG_NETFILTER_XT_MATCH_MARK is not set
+# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
+# CONFIG_NETFILTER_XT_MATCH_POLICY is not set
+# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set
+# CONFIG_NETFILTER_XT_MATCH_QUOTA is not set
+# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
+# CONFIG_NETFILTER_XT_MATCH_REALM is not set
+# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
+# CONFIG_NETFILTER_XT_MATCH_SCTP is not set
+# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set
+# CONFIG_NETFILTER_XT_MATCH_STRING is not set
+# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set
+# CONFIG_NETFILTER_XT_MATCH_TIME is not set
+# CONFIG_NETFILTER_XT_MATCH_U32 is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
-CONFIG_IP_NF_CONNTRACK=m
-# CONFIG_IP_NF_CT_ACCT is not set
-# CONFIG_IP_NF_CONNTRACK_MARK is not set
-# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
-CONFIG_IP_NF_CT_PROTO_SCTP=m
-CONFIG_IP_NF_FTP=m
-CONFIG_IP_NF_IRC=m
-# CONFIG_IP_NF_NETBIOS_NS is not set
-CONFIG_IP_NF_TFTP=m
-CONFIG_IP_NF_AMANDA=m
-# CONFIG_IP_NF_PPTP is not set
+# CONFIG_NF_DEFRAG_IPV4 is not set
 CONFIG_IP_NF_QUEUE=m
 CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-CONFIG_IP_NF_MATCH_PKTTYPE=m
-CONFIG_IP_NF_MATCH_MARK=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
+# CONFIG_IP_NF_MATCH_AH is not set
 CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
 CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_REALM=m
-CONFIG_IP_NF_MATCH_SCTP=m
-# CONFIG_IP_NF_MATCH_DCCP is not set
-CONFIG_IP_NF_MATCH_COMMENT=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
-# CONFIG_IP_NF_MATCH_STRING is not set
 CONFIG_IP_NF_FILTER=m
 # CONFIG_IP_NF_TARGET_REJECT is not set
 CONFIG_IP_NF_TARGET_LOG=m
 CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-# CONFIG_IP_NF_TARGET_NFQUEUE is not set
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-# CONFIG_IP_NF_TARGET_MASQUERADE is not set
-# CONFIG_IP_NF_TARGET_REDIRECT is not set
-# CONFIG_IP_NF_TARGET_NETMAP is not set
-# CONFIG_IP_NF_TARGET_SAME is not set
-# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
 CONFIG_IP_NF_MANGLE=m
-# CONFIG_IP_NF_TARGET_TOS is not set
 # CONFIG_IP_NF_TARGET_ECN is not set
-# CONFIG_IP_NF_TARGET_DSCP is not set
-# CONFIG_IP_NF_TARGET_MARK is not set
-# CONFIG_IP_NF_TARGET_CLASSIFY is not set
 # CONFIG_IP_NF_TARGET_TTL is not set
 CONFIG_IP_NF_RAW=m
-# CONFIG_IP_NF_TARGET_NOTRACK is not set
 CONFIG_IP_NF_ARPTABLES=m
 CONFIG_IP_NF_ARPFILTER=m
 CONFIG_IP_NF_ARP_MANGLE=m
 
 #
-# IPv6: Netfilter Configuration (EXPERIMENTAL)
+# IPv6: Netfilter Configuration
 #
 CONFIG_IP6_NF_QUEUE=m
 CONFIG_IP6_NF_IPTABLES=m
-CONFIG_IP6_NF_MATCH_LIMIT=m
-CONFIG_IP6_NF_MATCH_MAC=m
-CONFIG_IP6_NF_MATCH_RT=m
-CONFIG_IP6_NF_MATCH_OPTS=m
+# CONFIG_IP6_NF_MATCH_AH is not set
+CONFIG_IP6_NF_MATCH_EUI64=m
 CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_OPTS=m
 CONFIG_IP6_NF_MATCH_HL=m
-CONFIG_IP6_NF_MATCH_MULTIPORT=m
-CONFIG_IP6_NF_MATCH_OWNER=m
-CONFIG_IP6_NF_MATCH_MARK=m
 CONFIG_IP6_NF_MATCH_IPV6HEADER=m
-CONFIG_IP6_NF_MATCH_AHESP=m
-CONFIG_IP6_NF_MATCH_LENGTH=m
-CONFIG_IP6_NF_MATCH_EUI64=m
-CONFIG_IP6_NF_FILTER=m
+# CONFIG_IP6_NF_MATCH_MH is not set
+CONFIG_IP6_NF_MATCH_RT=m
 # CONFIG_IP6_NF_TARGET_LOG is not set
+CONFIG_IP6_NF_FILTER=m
 # CONFIG_IP6_NF_TARGET_REJECT is not set
-# CONFIG_IP6_NF_TARGET_NFQUEUE is not set
 CONFIG_IP6_NF_MANGLE=m
-# CONFIG_IP6_NF_TARGET_MARK is not set
 # CONFIG_IP6_NF_TARGET_HL is not set
 CONFIG_IP6_NF_RAW=m
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -377,21 +488,16 @@ CONFIG_IP6_NF_RAW=m
 # CONFIG_ATALK is not set
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
-CONFIG_NET_CLS_ROUTE=y
 
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 CONFIG_IRDA=m
 
 #
@@ -421,27 +527,17 @@ CONFIG_IRCOMM=m
 #
 # Dongle support
 #
-
-#
-# Old SIR device drivers
-#
-# CONFIG_IRPORT_SIR is not set
-
-#
-# Old Serial dongle support
-#
+# CONFIG_KINGSUN_DONGLE is not set
+# CONFIG_KSDAZZLE_DONGLE is not set
+# CONFIG_KS959_DONGLE is not set
 
 #
 # FIR device drivers
 #
 # CONFIG_USB_IRDA is not set
 # CONFIG_SIGMATEL_FIR is not set
-# CONFIG_NSC_FIR is not set
-# CONFIG_WINBOND_FIR is not set
-# CONFIG_SMC_IRCC_FIR is not set
-# CONFIG_ALI_FIR is not set
-# CONFIG_VIA_FIR is not set
 CONFIG_PXA_FICP=m
+# CONFIG_MCS_FIR is not set
 CONFIG_BT=m
 CONFIG_BT_L2CAP=m
 CONFIG_BT_SCO=m
@@ -457,9 +553,12 @@ CONFIG_BT_HIDP=m
 #
 CONFIG_BT_HCIUSB=m
 # CONFIG_BT_HCIUSB_SCO is not set
+# CONFIG_BT_HCIBTUSB is not set
+# CONFIG_BT_HCIBTSDIO is not set
 CONFIG_BT_HCIUART=m
 CONFIG_BT_HCIUART_H4=y
 CONFIG_BT_HCIUART_BCSP=y
+# CONFIG_BT_HCIUART_LL is not set
 CONFIG_BT_HCIBCM203X=m
 CONFIG_BT_HCIBPA10X=m
 CONFIG_BT_HCIBFUSB=m
@@ -468,11 +567,20 @@ CONFIG_BT_HCIBT3C=m
 CONFIG_BT_HCIBLUECARD=m
 CONFIG_BT_HCIBTUART=m
 CONFIG_BT_HCIVHCI=m
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
 CONFIG_IEEE80211=m
 # CONFIG_IEEE80211_DEBUG is not set
 CONFIG_IEEE80211_CRYPT_WEP=m
 # CONFIG_IEEE80211_CRYPT_CCMP is not set
 # CONFIG_IEEE80211_CRYPT_TKIP is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -481,19 +589,16 @@ CONFIG_IEEE80211_CRYPT_WEP=m
 #
 # Generic Driver Options
 #
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_CONCAT is not set
@@ -501,16 +606,20 @@ CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
 #
 CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
 CONFIG_MTD_BLOCK=y
 # CONFIG_FTL is not set
 # CONFIG_NFTL is not set
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -535,16 +644,18 @@ CONFIG_MTD_ROM=y
 # Mapping drivers for chip access
 #
 CONFIG_MTD_COMPLEX_MAPPINGS=y
+# CONFIG_MTD_PHYSMAP is not set
 CONFIG_MTD_SHARP_SL=y
 # CONFIG_MTD_PLATRAM is not set
 
 #
 # Self-contained MTD device drivers
 #
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
-# CONFIG_MTD_BLKMTD is not set
 # CONFIG_MTD_BLOCK2MTD is not set
 
 #
@@ -553,78 +664,66 @@ CONFIG_MTD_SHARP_SL=y
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_VERIFY_WRITE=y
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
 # CONFIG_MTD_NAND_H1900 is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
 CONFIG_MTD_NAND_SHARPSL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
-
-#
-# OneNAND Flash Device Drivers
-#
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
 # CONFIG_MTD_ONENAND is not set
 
 #
-# Parallel port support
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_UB is not set
 # CONFIG_BLK_DEV_RAM is not set
-CONFIG_BLK_DEV_RAM_COUNT=16
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
-CONFIG_BLK_DEV_IDE=y
 
 #
-# Please see Documentation/ide.txt for help/info on IDE drives
+# Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 # CONFIG_BLK_DEV_IDE_SATA is not set
 CONFIG_BLK_DEV_IDEDISK=y
-# CONFIG_IDEDISK_MULTI_MODE is not set
 CONFIG_BLK_DEV_IDECS=y
 # CONFIG_BLK_DEV_IDECD is not set
 # CONFIG_BLK_DEV_IDETAPE is not set
 # CONFIG_BLK_DEV_IDEFLOPPY is not set
 # CONFIG_BLK_DEV_IDESCSI is not set
 # CONFIG_IDE_TASK_IOCTL is not set
+CONFIG_IDE_PROC_FS=y
 
 #
 # IDE chipset support/bugfixes
 #
-CONFIG_IDE_GENERIC=y
-# CONFIG_IDE_ARM is not set
+# CONFIG_BLK_DEV_PLATFORM is not set
 # CONFIG_BLK_DEV_IDEDMA is not set
-# CONFIG_IDEDMA_AUTO is not set
-# CONFIG_BLK_DEV_HD is not set
 
 #
 # SCSI device support
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=m
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
 CONFIG_SCSI_PROC_FS=y
 
 #
@@ -644,121 +743,76 @@ CONFIG_CHR_DEV_SG=m
 CONFIG_SCSI_MULTI_LUN=y
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
 
 #
-# SCSI Transport Attributes
+# SCSI Transports
 #
 # CONFIG_SCSI_SPI_ATTRS is not set
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
-
-#
-# SCSI low-level drivers
-#
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
-# CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_DEBUG is not set
-
-#
-# PCMCIA SCSI adapter support
-#
-# CONFIG_PCMCIA_AHA152X is not set
-# CONFIG_PCMCIA_FDOMAIN is not set
-# CONFIG_PCMCIA_NINJA_SCSI is not set
-# CONFIG_PCMCIA_QLOGIC is not set
-# CONFIG_PCMCIA_SYM53C500 is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
+# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_ATA is not set
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-
-#
-# PHY device support
-#
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=m
+# CONFIG_AX88796 is not set
 # CONFIG_SMC91X is not set
 # CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
 
 #
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
-#
-
-#
-# Wireless LAN (non-hamradio)
-#
-CONFIG_NET_RADIO=y
-
-#
-# Obsolete Wireless cards support (pre-802.11)
-#
-# CONFIG_STRIP is not set
-# CONFIG_PCMCIA_WAVELAN is not set
-# CONFIG_PCMCIA_NETWAVE is not set
-
-#
-# Wireless 802.11 Frequency Hopping cards support
+# Wireless LAN
 #
-# CONFIG_PCMCIA_RAYCS is not set
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 
 #
-# Wireless 802.11b ISA/PCI cards support
-#
-CONFIG_HERMES=m
-# CONFIG_ATMEL is not set
-
-#
-# Wireless 802.11b Pcmcia/Cardbus cards support
-#
-CONFIG_PCMCIA_HERMES=m
-CONFIG_PCMCIA_SPECTRUM=m
-# CONFIG_AIRO_CS is not set
-# CONFIG_PCMCIA_WL3501 is not set
-CONFIG_HOSTAP=m
-CONFIG_HOSTAP_FIRMWARE=y
-CONFIG_HOSTAP_CS=m
-CONFIG_NET_WIRELESS=y
-
-#
-# PCMCIA network device support
+# USB Network Adapters
 #
+CONFIG_USB_CATC=m
+CONFIG_USB_KAWETH=m
+CONFIG_USB_PEGASUS=m
+CONFIG_USB_RTL8150=m
+CONFIG_USB_USBNET=m
+CONFIG_USB_NET_AX8817X=m
+CONFIG_USB_NET_CDCETHER=m
+# CONFIG_USB_NET_DM9601 is not set
+# CONFIG_USB_NET_SMSC95XX is not set
+# CONFIG_USB_NET_GL620A is not set
+CONFIG_USB_NET_NET1080=m
+# CONFIG_USB_NET_PLUSB is not set
+# CONFIG_USB_NET_MCS7830 is not set
+# CONFIG_USB_NET_RNDIS_HOST is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+CONFIG_USB_NET_ZAURUS=m
 CONFIG_NET_PCMCIA=y
 # CONFIG_PCMCIA_3C589 is not set
 # CONFIG_PCMCIA_3C574 is not set
@@ -768,10 +822,6 @@ CONFIG_PCMCIA_PCNET=m
 # CONFIG_PCMCIA_SMC91C92 is not set
 # CONFIG_PCMCIA_XIRC2PS is not set
 # CONFIG_PCMCIA_AXNET is not set
-
-#
-# Wan interfaces
-#
 # CONFIG_WAN is not set
 CONFIG_PPP=m
 # CONFIG_PPP_MULTILINK is not set
@@ -782,30 +832,29 @@ CONFIG_PPP_ASYNC=m
 CONFIG_PPP_BSDCOMP=m
 # CONFIG_PPP_MPPE is not set
 # CONFIG_PPPOE is not set
+# CONFIG_PPPOL2TP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
+CONFIG_SLHC=m
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
 
 #
 # Input device support
 #
 CONFIG_INPUT=y
+CONFIG_INPUT_FF_MEMLESS=m
+# CONFIG_INPUT_POLLDEV is not set
 
 #
 # Userland interfaces
 #
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_EVBUG is not set
+# CONFIG_INPUT_APMPOWER is not set
 
 #
 # Input Device Drivers
@@ -814,19 +863,39 @@ CONFIG_INPUT_KEYBOARD=y
 # CONFIG_KEYBOARD_ATKBD is not set
 # CONFIG_KEYBOARD_SUNKBD is not set
 # CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_LOCOMO is not set
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
 CONFIG_KEYBOARD_CORGI=y
 CONFIG_KEYBOARD_SPITZ=y
+CONFIG_KEYBOARD_TOSA=y
+# CONFIG_KEYBOARD_TOSA_USE_EXT_KEYCODES is not set
+# CONFIG_KEYBOARD_GPIO is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
 CONFIG_INPUT_TOUCHSCREEN=y
-CONFIG_TOUCHSCREEN_CORGI=y
+CONFIG_TOUCHSCREEN_ADS7846=y
+# CONFIG_TOUCHSCREEN_CORGI is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_CM109 is not set
 CONFIG_INPUT_UINPUT=m
 
 #
@@ -839,8 +908,11 @@ CONFIG_INPUT_UINPUT=m
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -849,6 +921,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_8250=m
 CONFIG_SERIAL_8250_CS=m
 CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -860,97 +933,130 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
+CONFIG_HW_RANDOM=m
 # CONFIG_NVRAM is not set
-# CONFIG_RTC is not set
-# CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 
-#
-# Ftape, the floppy tape device driver
-#
-
 #
 # PCMCIA character devices
 #
 # CONFIG_SYNCLINK_CS is not set
 # CONFIG_CARDMAN_4000 is not set
 # CONFIG_CARDMAN_4040 is not set
+# CONFIG_IPWIRELESS is not set
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
-# CONFIG_TELCLOCK is not set
-
-#
-# I2C support
-#
 CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
-# I2C Algorithms
+# I2C Hardware Bus support
 #
-CONFIG_I2C_ALGOBIT=y
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
 
 #
-# I2C Hardware Bus support
+# I2C system bus drivers (mostly embedded / system-on-chip)
 #
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
 CONFIG_I2C_PXA=y
 # CONFIG_I2C_PXA_SLAVE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
 # CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-# CONFIG_I2C_PCA_ISA is not set
 
 #
 # Miscellaneous I2C Chip support
 #
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
 # CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_TPS65010 is not set
 # CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_RTC_X1205_I2C is not set
+# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
 
 #
-# Hardware Monitoring support
+# SPI Master Controller Drivers
 #
+# CONFIG_SPI_BITBANG is not set
+CONFIG_SPI_PXA2XX=y
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_AD7414 is not set
+# CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADCXX is not set
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
-# CONFIG_SENSORS_ASB100 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
-# CONFIG_SENSORS_FSCHER is not set
-# CONFIG_SENSORS_FSCPOS is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
 # CONFIG_SENSORS_GL518SM is not set
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM70 is not set
 # CONFIG_SENSORS_LM75 is not set
 # CONFIG_SENSORS_LM77 is not set
 # CONFIG_SENSORS_LM78 is not set
@@ -960,70 +1066,193 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
 # CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_LM93 is not set
+CONFIG_SENSORS_MAX1111=y
 # CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_DME1737 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83791D is not set
 # CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83793 is not set
 # CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
 
 #
-# Misc devices
+# Sonics Silicon Backplane
 #
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
-# Multimedia Capabilities Port drivers
+# Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
 #
-CONFIG_VIDEO_DEV=m
-
-#
-# Video For Linux
-#
 
 #
-# Video Adapters
+# Multimedia core support
 #
+CONFIG_VIDEO_DEV=m
+CONFIG_VIDEO_V4L2_COMMON=m
+CONFIG_VIDEO_ALLOW_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+# CONFIG_DVB_CORE is not set
+CONFIG_VIDEO_MEDIA=m
+
+#
+# Multimedia drivers
+#
+# CONFIG_MEDIA_ATTACH is not set
+CONFIG_MEDIA_TUNER=m
+# CONFIG_MEDIA_TUNER_CUSTOMIZE is not set
+CONFIG_MEDIA_TUNER_SIMPLE=m
+CONFIG_MEDIA_TUNER_TDA8290=m
+CONFIG_MEDIA_TUNER_TDA9887=m
+CONFIG_MEDIA_TUNER_TEA5761=m
+CONFIG_MEDIA_TUNER_TEA5767=m
+CONFIG_MEDIA_TUNER_MT20XX=m
+CONFIG_MEDIA_TUNER_XC2028=m
+CONFIG_MEDIA_TUNER_XC5000=m
+CONFIG_VIDEO_V4L2=m
+CONFIG_VIDEO_V4L1=m
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
+CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
+# CONFIG_VIDEO_VIVI is not set
 # CONFIG_VIDEO_CPIA is not set
+# CONFIG_VIDEO_CPIA2 is not set
 # CONFIG_VIDEO_SAA5246A is not set
 # CONFIG_VIDEO_SAA5249 is not set
-# CONFIG_TUNER_3036 is not set
+# CONFIG_SOC_CAMERA is not set
+CONFIG_V4L_USB_DRIVERS=y
+# CONFIG_USB_VIDEO_CLASS is not set
+CONFIG_USB_GSPCA=m
+# CONFIG_USB_M5602 is not set
+# CONFIG_USB_GSPCA_CONEX is not set
+# CONFIG_USB_GSPCA_ETOMS is not set
+# CONFIG_USB_GSPCA_FINEPIX is not set
+# CONFIG_USB_GSPCA_MARS is not set
+# CONFIG_USB_GSPCA_OV519 is not set
+# CONFIG_USB_GSPCA_PAC207 is not set
+# CONFIG_USB_GSPCA_PAC7311 is not set
+# CONFIG_USB_GSPCA_SONIXB is not set
+# CONFIG_USB_GSPCA_SONIXJ is not set
+# CONFIG_USB_GSPCA_SPCA500 is not set
+# CONFIG_USB_GSPCA_SPCA501 is not set
+# CONFIG_USB_GSPCA_SPCA505 is not set
+# CONFIG_USB_GSPCA_SPCA506 is not set
+# CONFIG_USB_GSPCA_SPCA508 is not set
+# CONFIG_USB_GSPCA_SPCA561 is not set
+# CONFIG_USB_GSPCA_STK014 is not set
+# CONFIG_USB_GSPCA_SUNPLUS is not set
+# CONFIG_USB_GSPCA_T613 is not set
+# CONFIG_USB_GSPCA_TV8532 is not set
+# CONFIG_USB_GSPCA_VC032X is not set
+# CONFIG_USB_GSPCA_ZC3XX is not set
+# CONFIG_VIDEO_PVRUSB2 is not set
 # CONFIG_VIDEO_EM28XX is not set
+# CONFIG_VIDEO_USBVISION is not set
+CONFIG_VIDEO_USBVIDEO=m
+CONFIG_USB_VICAM=m
+CONFIG_USB_IBMCAM=m
+CONFIG_USB_KONICAWC=m
+# CONFIG_USB_QUICKCAM_MESSENGER is not set
+# CONFIG_USB_ET61X251 is not set
 # CONFIG_VIDEO_OVCAMCHIP is not set
-# CONFIG_VIDEO_AUDIO_DECODER is not set
-# CONFIG_VIDEO_DECODER is not set
-
-#
-# Radio Adapters
-#
-# CONFIG_RADIO_MAESTRO is not set
-
-#
-# Digital Video Broadcasting Devices
-#
-# CONFIG_DVB is not set
+CONFIG_USB_OV511=m
+CONFIG_USB_SE401=m
+CONFIG_USB_SN9C102=m
+CONFIG_USB_STV680=m
+# CONFIG_USB_ZC0301 is not set
+# CONFIG_USB_PWC is not set
+# CONFIG_USB_ZR364XX is not set
+# CONFIG_USB_STKWEBCAM is not set
+# CONFIG_USB_S2255 is not set
+CONFIG_RADIO_ADAPTERS=y
+CONFIG_USB_DSBR=m
+# CONFIG_USB_SI470X is not set
+# CONFIG_USB_MR800 is not set
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
 # CONFIG_FB_MODE_HELPERS is not set
 # CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_PXA is not set
+# CONFIG_FB_MBX is not set
 CONFIG_FB_W100=y
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=y
+CONFIG_LCD_CORGI=y
+# CONFIG_LCD_LTV350QV is not set
+# CONFIG_LCD_ILI9320 is not set
+# CONFIG_LCD_TDO24M is not set
+# CONFIG_LCD_VGG2432A4 is not set
+# CONFIG_LCD_PLATFORM is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_CORGI is not set
+CONFIG_BACKLIGHT_LOCOMO=y
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
 
 #
 # Console display driver support
@@ -1031,6 +1260,7 @@ CONFIG_FB_W100=y
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
 # CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
@@ -1043,93 +1273,95 @@ CONFIG_FONT_8x16=y
 # CONFIG_FONT_SUN8x16 is not set
 # CONFIG_FONT_SUN12x22 is not set
 # CONFIG_FONT_10x18 is not set
-
-#
-# Logo configuration
-#
 # CONFIG_LOGO is not set
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
-CONFIG_BACKLIGHT_DEVICE=y
-# CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_BACKLIGHT_CORGI=y
-
-#
-# Sound
-#
 CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
+# CONFIG_SND is not set
+CONFIG_SOUND_PRIME=y
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
 
 #
-# Advanced Linux Sound Architecture
+# USB Input Devices
 #
-# CONFIG_SND is not set
+CONFIG_USB_HID=m
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
 
 #
-# Open Sound System
+# USB HID Boot Protocol drivers
 #
-CONFIG_SOUND_PRIME=y
-# CONFIG_SOUND_MSNDCLAS is not set
-# CONFIG_SOUND_MSNDPIN is not set
-CONFIG_SOUND_OSS=y
-# CONFIG_SOUND_TRACEINIT is not set
-# CONFIG_SOUND_DMAP is not set
-# CONFIG_SOUND_AD1816 is not set
-# CONFIG_SOUND_SGALAXY is not set
-# CONFIG_SOUND_ADLIB is not set
-# CONFIG_SOUND_ACI_MIXER is not set
-# CONFIG_SOUND_CS4232 is not set
-# CONFIG_SOUND_SSCAPE is not set
-# CONFIG_SOUND_GUS is not set
-# CONFIG_SOUND_VMIDI is not set
-# CONFIG_SOUND_TRIX is not set
-# CONFIG_SOUND_MSS is not set
-# CONFIG_SOUND_MPU401 is not set
-# CONFIG_SOUND_NM256 is not set
-# CONFIG_SOUND_MAD16 is not set
-# CONFIG_SOUND_PAS is not set
-# CONFIG_SOUND_PSS is not set
-# CONFIG_SOUND_SB is not set
-# CONFIG_SOUND_AWE32_SYNTH is not set
-# CONFIG_SOUND_WAVEFRONT is not set
-# CONFIG_SOUND_MAUI is not set
-# CONFIG_SOUND_YM3812 is not set
-# CONFIG_SOUND_OPL3SA1 is not set
-# CONFIG_SOUND_OPL3SA2 is not set
-# CONFIG_SOUND_UART6850 is not set
-# CONFIG_SOUND_AEDSP16 is not set
-# CONFIG_SOUND_TVMIXER is not set
-# CONFIG_SOUND_AD1980 is not set
-
-#
-# USB support
+CONFIG_USB_KBD=m
+CONFIG_USB_MOUSE=m
+
 #
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=m
+CONFIG_HID_APPLE=m
+CONFIG_HID_BELKIN=m
+CONFIG_HID_BRIGHT=m
+CONFIG_HID_CHERRY=m
+CONFIG_HID_CHICONY=m
+CONFIG_HID_CYPRESS=m
+CONFIG_HID_DELL=m
+CONFIG_HID_EZKEY=m
+CONFIG_HID_GYRATION=m
+CONFIG_HID_LOGITECH=m
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=m
+CONFIG_HID_MONTEREY=m
+CONFIG_HID_PANTHERLORD=m
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=m
+CONFIG_HID_SAMSUNG=m
+CONFIG_HID_SONY=m
+CONFIG_HID_SUNPLUS=m
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
+CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
 CONFIG_USB=m
 # CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
 
 #
 # Miscellaneous USB options
 #
 CONFIG_USB_DEVICEFS=y
-# CONFIG_USB_BANDWIDTH is not set
+CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
 CONFIG_USB_SL811_HCD=m
 CONFIG_USB_SL811_CS=m
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_MUSB_HDRC is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
 
 #
 # USB Device Class drivers
 #
-# CONFIG_OBSOLETE_OSS_USB_DRIVER is not set
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=m
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1148,33 +1380,11 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
-
-#
-# USB Input Devices
-#
-CONFIG_USB_HID=m
-CONFIG_USB_HIDINPUT=y
-# CONFIG_HID_FF is not set
-# CONFIG_USB_HIDDEV is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-CONFIG_USB_KBD=m
-CONFIG_USB_MOUSE=m
-CONFIG_USB_AIPTEK=m
-CONFIG_USB_WACOM=m
-# CONFIG_USB_ACECAD is not set
-CONFIG_USB_KBTAB=m
-CONFIG_USB_POWERMATE=m
-CONFIG_USB_MTOUCH=m
-# CONFIG_USB_ITMTOUCH is not set
-CONFIG_USB_EGALAX=m
-# CONFIG_USB_YEALINK is not set
-CONFIG_USB_XPAD=m
-CONFIG_USB_ATI_REMOTE=m
-# CONFIG_USB_KEYSPAN_REMOTE is not set
-# CONFIG_USB_APPLETOUCH is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
 
 #
 # USB Imaging devices
@@ -1182,57 +1392,23 @@ CONFIG_USB_ATI_REMOTE=m
 CONFIG_USB_MDC800=m
 CONFIG_USB_MICROTEK=m
 
-#
-# USB Multimedia devices
-#
-CONFIG_USB_DABUSB=m
-CONFIG_USB_VICAM=m
-CONFIG_USB_DSBR=m
-CONFIG_USB_IBMCAM=m
-CONFIG_USB_KONICAWC=m
-CONFIG_USB_OV511=m
-CONFIG_USB_SE401=m
-CONFIG_USB_SN9C102=m
-CONFIG_USB_STV680=m
-# CONFIG_USB_PWC is not set
-
-#
-# USB Network Adapters
-#
-CONFIG_USB_CATC=m
-CONFIG_USB_KAWETH=m
-CONFIG_USB_PEGASUS=m
-CONFIG_USB_RTL8150=m
-CONFIG_USB_USBNET=m
-CONFIG_USB_NET_AX8817X=m
-CONFIG_USB_NET_CDCETHER=m
-# CONFIG_USB_NET_GL620A is not set
-CONFIG_USB_NET_NET1080=m
-# CONFIG_USB_NET_PLUSB is not set
-# CONFIG_USB_NET_RNDIS_HOST is not set
-# CONFIG_USB_NET_CDC_SUBSET is not set
-CONFIG_USB_NET_ZAURUS=m
-# CONFIG_USB_ZD1201 is not set
-CONFIG_USB_MON=y
-
 #
 # USB port drivers
 #
-
-#
-# USB Serial Converter support
-#
 CONFIG_USB_SERIAL=m
+CONFIG_USB_EZUSB=y
 CONFIG_USB_SERIAL_GENERIC=y
-# CONFIG_USB_SERIAL_AIRPRIME is not set
-# CONFIG_USB_SERIAL_ANYDATA is not set
+# CONFIG_USB_SERIAL_AIRCABLE is not set
+# CONFIG_USB_SERIAL_ARK3116 is not set
 CONFIG_USB_SERIAL_BELKIN=m
+# CONFIG_USB_SERIAL_CH341 is not set
 # CONFIG_USB_SERIAL_WHITEHEAT is not set
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
 # CONFIG_USB_SERIAL_CP2101 is not set
 CONFIG_USB_SERIAL_CYPRESS_M8=m
 CONFIG_USB_SERIAL_EMPEG=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
+# CONFIG_USB_SERIAL_FUNSOFT is not set
 CONFIG_USB_SERIAL_VISOR=m
 CONFIG_USB_SERIAL_IPAQ=m
 CONFIG_USB_SERIAL_IR=m
@@ -1240,6 +1416,7 @@ CONFIG_USB_SERIAL_EDGEPORT=m
 CONFIG_USB_SERIAL_EDGEPORT_TI=m
 CONFIG_USB_SERIAL_GARMIN=m
 CONFIG_USB_SERIAL_IPW=m
+# CONFIG_USB_SERIAL_IUU is not set
 CONFIG_USB_SERIAL_KEYSPAN_PDA=m
 CONFIG_USB_SERIAL_KEYSPAN=m
 # CONFIG_USB_SERIAL_KEYSPAN_MPR is not set
@@ -1257,50 +1434,68 @@ CONFIG_USB_SERIAL_KEYSPAN=m
 CONFIG_USB_SERIAL_KLSI=m
 CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
+# CONFIG_USB_SERIAL_MOS7720 is not set
+# CONFIG_USB_SERIAL_MOS7840 is not set
+# CONFIG_USB_SERIAL_MOTOROLA is not set
+# CONFIG_USB_SERIAL_NAVMAN is not set
 CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_OTI6858 is not set
+# CONFIG_USB_SERIAL_SPCP8X5 is not set
 # CONFIG_USB_SERIAL_HP4X is not set
 CONFIG_USB_SERIAL_SAFE=m
 # CONFIG_USB_SERIAL_SAFE_PADDED is not set
+# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set
 CONFIG_USB_SERIAL_TI=m
 CONFIG_USB_SERIAL_CYBERJACK=m
 CONFIG_USB_SERIAL_XIRCOM=m
+# CONFIG_USB_SERIAL_OPTION is not set
 CONFIG_USB_SERIAL_OMNINET=m
-CONFIG_USB_EZUSB=y
+# CONFIG_USB_SERIAL_DEBUG is not set
 
 #
 # USB Miscellaneous drivers
 #
 CONFIG_USB_EMI62=m
 CONFIG_USB_EMI26=m
-CONFIG_USB_AUERSWALD=m
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
 CONFIG_USB_RIO500=m
 CONFIG_USB_LEGOTOWER=m
 CONFIG_USB_LCD=m
+# CONFIG_USB_BERRY_CHARGE is not set
 CONFIG_USB_LED=m
+# CONFIG_USB_CYPRESS_CY7C63 is not set
 CONFIG_USB_CYTHERM=m
-CONFIG_USB_PHIDGETKIT=m
-CONFIG_USB_PHIDGETSERVO=m
+# CONFIG_USB_PHIDGET is not set
 CONFIG_USB_IDMOUSE=m
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
 # CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
-
-#
-# USB DSL modem support
-#
-
-#
-# USB Gadget Support
-#
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
 # CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
 CONFIG_USB_GADGET_SELECTED=y
-# CONFIG_USB_GADGET_NET2280 is not set
-CONFIG_USB_GADGET_PXA2XX=y
-CONFIG_USB_PXA2XX=y
-# CONFIG_USB_PXA2XX_SMALL is not set
-# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
 # CONFIG_USB_GADGET_LH7A40X is not set
 # CONFIG_USB_GADGET_OMAP is not set
+CONFIG_USB_GADGET_PXA25X=y
+CONFIG_USB_PXA25X=y
+# CONFIG_USB_PXA25X_SMALL is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
 # CONFIG_USB_GADGET_DUALSPEED is not set
 CONFIG_USB_ZERO=m
@@ -1310,15 +1505,42 @@ CONFIG_USB_GADGETFS=m
 CONFIG_USB_FILE_STORAGE=m
 # CONFIG_USB_FILE_STORAGE_TEST is not set
 CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
 
 #
-# MMC/SD Card support
+# MMC/SD/SDIO Card Drivers
 #
-CONFIG_MMC=y
-# CONFIG_MMC_DEBUG is not set
 CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
 CONFIG_MMC_PXA=y
-# CONFIG_MMC_WBSD is not set
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+
+#
+# Voltage and Current regulators
+#
+# CONFIG_REGULATOR is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_UIO is not set
 
 #
 # File systems
@@ -1327,16 +1549,17 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_JBD is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -1361,11 +1584,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # Pseudo filesystems
 #
 CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -1377,39 +1602,42 @@ CONFIG_RAMFS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
-# CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
 CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
 CONFIG_JFFS2_SUMMARY=y
+# CONFIG_JFFS2_FS_XATTR is not set
 CONFIG_JFFS2_COMPRESSION_OPTIONS=y
 CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 CONFIG_JFFS2_RUBIN=y
 # CONFIG_JFFS2_CMODE_NONE is not set
 CONFIG_JFFS2_CMODE_PRIORITY=y
 # CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
 CONFIG_CRAMFS=m
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=m
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 CONFIG_NFS_V4=y
-# CONFIG_NFS_DIRECTIO is not set
 # CONFIG_NFSD is not set
 CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
 CONFIG_SUNRPC_GSS=m
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=m
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1419,7 +1647,6 @@ CONFIG_SMB_NLS_REMOTE="cp437"
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
@@ -1439,11 +1666,9 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
+# CONFIG_SYSV68_PARTITION is not set
 CONFIG_NLS=y
 CONFIG_NLS_DEFAULT="cp437"
 CONFIG_NLS_CODEPAGE_437=y
@@ -1484,35 +1709,71 @@ CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_KOI8_R is not set
 # CONFIG_NLS_KOI8_U is not set
 CONFIG_NLS_UTF8=y
-
-#
-# Profiling support
-#
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=m
+# CONFIG_DLM is not set
 
 #
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
-CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
 CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
-# CONFIG_DEBUG_SLAB is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
 # CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
-# CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
 # CONFIG_DEBUG_USER is not set
 CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
 # CONFIG_DEBUG_ICEDCC is not set
 
@@ -1521,46 +1782,113 @@ CONFIG_DEBUG_LL=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
 
 #
-# Cryptographic options
+# Crypto core or helper
 #
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_FIPS is not set
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
 CONFIG_CRYPTO_NULL=m
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_TEST=m
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=m
+CONFIG_CRYPTO_MICHAEL_MIC=m
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=m
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
-CONFIG_CRYPTO_WP512=m
 # CONFIG_CRYPTO_TGR192 is not set
-CONFIG_CRYPTO_DES=m
-CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_WP512=m
+
+#
+# Ciphers
+#
 CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_BLOWFISH=m
+# CONFIG_CRYPTO_CAMELLIA is not set
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
-CONFIG_CRYPTO_TEA=m
-CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_DES=m
+# CONFIG_CRYPTO_FCRYPT is not set
 CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_ANUBIS=m
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+
+#
+# Compression
+#
 CONFIG_CRYPTO_DEFLATE=m
-CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_CRC32C=m
-CONFIG_CRYPTO_TEST=m
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Hardware crypto devices
+# Random Number Generation
 #
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
+CONFIG_BITREVERSE=y
 CONFIG_CRC_CCITT=y
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/spitz_defconfig b/arch/arm/configs/spitz_defconfig
index 7d59fb1f1ce..4df5b4db2aa 100644
--- a/arch/arm/configs/spitz_defconfig
+++ b/arch/arm/configs/spitz_defconfig
@@ -1,71 +1,111 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc2
-# Mon Nov 28 10:26:52 2005
+# Linux kernel version: 2.6.27
+# Mon Oct 20 10:25:37 2008
 #
 CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_MMU=y
-CONFIG_UID16=y
+# CONFIG_NO_IOPORT is not set
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
-CONFIG_SYSCTL=y
+# CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
-CONFIG_INITRAMFS_SOURCE=""
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_AIO=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=m
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
+CONFIG_BLOCK=y
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -79,49 +119,95 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
 
 #
 # System Type
 #
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_CLPS7500 is not set
 # CONFIG_ARCH_CLPS711X is not set
-# CONFIG_ARCH_CO285 is not set
 # CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
-# CONFIG_ARCH_INTEGRATOR is not set
-# CONFIG_ARCH_IOP3XX is not set
-# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
 # CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_PNX4008 is not set
 CONFIG_ARCH_PXA=y
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_VERSATILE is not set
-# CONFIG_ARCH_REALVIEW is not set
-# CONFIG_ARCH_IMX is not set
-# CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_MSM7X00A is not set
 
 #
-# Intel PXA2xx Implementations
+# Intel PXA2xx/PXA3xx Implementations
 #
+# CONFIG_ARCH_GUMSTIX is not set
 # CONFIG_ARCH_LUBBOCK is not set
+# CONFIG_MACH_LOGICPD_PXA270 is not set
 # CONFIG_MACH_MAINSTONE is not set
+# CONFIG_MACH_MP900C is not set
 # CONFIG_ARCH_PXA_IDP is not set
 CONFIG_PXA_SHARPSL=y
-# CONFIG_PXA_SHARPSL_25x is not set
-CONFIG_PXA_SHARPSL_27x=y
+# CONFIG_MACH_POODLE is not set
+# CONFIG_MACH_CORGI is not set
+# CONFIG_MACH_SHEPHERD is not set
+# CONFIG_MACH_HUSKY is not set
 CONFIG_MACH_AKITA=y
 CONFIG_MACH_SPITZ=y
 CONFIG_MACH_BORZOI=y
+# CONFIG_MACH_TOSA is not set
+# CONFIG_ARCH_VIPER is not set
+# CONFIG_ARCH_PXA_ESERIES is not set
+# CONFIG_TRIZEPS_PXA is not set
+# CONFIG_MACH_EM_X270 is not set
+# CONFIG_MACH_COLIBRI is not set
+# CONFIG_MACH_ZYLONITE is not set
+# CONFIG_MACH_LITTLETON is not set
+# CONFIG_MACH_TAVOREVB is not set
+# CONFIG_MACH_SAAR is not set
+# CONFIG_MACH_ARMCORE is not set
+# CONFIG_MACH_CM_X300 is not set
+# CONFIG_MACH_MAGICIAN is not set
+# CONFIG_MACH_MIOA701 is not set
+# CONFIG_MACH_PCM027 is not set
+# CONFIG_ARCH_PXA_PALM is not set
+# CONFIG_PXA_EZX is not set
 CONFIG_PXA27x=y
-CONFIG_IWMMXT=y
 CONFIG_PXA_SHARP_Cxx00=y
 CONFIG_PXA_SSP=y
+# CONFIG_PXA_PWM is not set
+
+#
+# Boot options
+#
+
+#
+# Power management
+#
 
 #
 # Processor Type
@@ -130,25 +216,29 @@ CONFIG_CPU_32=y
 CONFIG_CPU_XSCALE=y
 CONFIG_CPU_32v5=y
 CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_NOIFAR=y
 CONFIG_CPU_CACHE_VIVT=y
 CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
 
 #
 # Processor Features
 #
 CONFIG_ARM_THUMB=y
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_OUTER_CACHE is not set
+CONFIG_IWMMXT=y
 CONFIG_XSCALE_PMU=y
 CONFIG_SHARP_PARAM=y
+CONFIG_SHARPSL_PM=y
 CONFIG_SHARP_SCOOP=y
 
 #
 # Bus support
 #
-CONFIG_ISA_DMA_API=y
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 CONFIG_PCCARD=y
 # CONFIG_PCMCIA_DEBUG is not set
 CONFIG_PCMCIA=y
@@ -163,16 +253,32 @@ CONFIG_PCMCIA_PXA2XX=y
 #
 # Kernel Features
 #
+CONFIG_TICK_ONESHOT=y
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_PREEMPT=y
-# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+CONFIG_HZ=100
+# CONFIG_AEABI is not set
+CONFIG_ARCH_FLATMEM_HAS_HOLES=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
 CONFIG_ALIGNMENT_TRAP=y
 
 #
@@ -182,6 +288,13 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="console=ttyS0,115200n8 console=tty1 noinitrd root=/dev/mtdblock2 rootfstype=jffs2   debug"
 # CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_FREQ is not set
+# CONFIG_CPU_IDLE is not set
 
 #
 # Floating point emulation
@@ -198,6 +311,7 @@ CONFIG_FPE_NWFPE=y
 # Userspace binary formats
 #
 CONFIG_BINFMT_ELF=y
+CONFIG_HAVE_AOUT=y
 CONFIG_BINFMT_AOUT=m
 CONFIG_BINFMT_MISC=m
 # CONFIG_ARTHUR is not set
@@ -206,12 +320,12 @@ CONFIG_BINFMT_MISC=m
 # Power management options
 #
 CONFIG_PM=y
-# CONFIG_PM_LEGACY is not set
-CONFIG_APM=y
-
-#
-# Networking
-#
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_APM_EMULATION=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
 #
@@ -222,6 +336,10 @@ CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -235,140 +353,131 @@ CONFIG_SYN_COOKIES=y
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-
-#
-# IP: Virtual Server Configuration
-#
-# CONFIG_IP_VS is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
 CONFIG_IPV6=m
 # CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+# CONFIG_IPV6_MIP6 is not set
+CONFIG_INET6_XFRM_TUNNEL=m
 CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
 CONFIG_IPV6_TUNNEL=m
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
 
 #
 # Core Netfilter Configuration
 #
-# CONFIG_NETFILTER_NETLINK is not set
+# CONFIG_NETFILTER_NETLINK_QUEUE is not set
+# CONFIG_NETFILTER_NETLINK_LOG is not set
+# CONFIG_NF_CONNTRACK is not set
+CONFIG_NETFILTER_XTABLES=m
+# CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set
+# CONFIG_NETFILTER_XT_TARGET_DSCP is not set
+# CONFIG_NETFILTER_XT_TARGET_MARK is not set
+# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set
+# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set
+# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
+# CONFIG_NETFILTER_XT_TARGET_TRACE is not set
+# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
+# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set
+# CONFIG_NETFILTER_XT_MATCH_DCCP is not set
+# CONFIG_NETFILTER_XT_MATCH_DSCP is not set
+# CONFIG_NETFILTER_XT_MATCH_ESP is not set
+# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set
+# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
+# CONFIG_NETFILTER_XT_MATCH_LENGTH is not set
+# CONFIG_NETFILTER_XT_MATCH_LIMIT is not set
+# CONFIG_NETFILTER_XT_MATCH_MAC is not set
+# CONFIG_NETFILTER_XT_MATCH_MARK is not set
+# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
+# CONFIG_NETFILTER_XT_MATCH_POLICY is not set
+# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set
+# CONFIG_NETFILTER_XT_MATCH_QUOTA is not set
+# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
+# CONFIG_NETFILTER_XT_MATCH_REALM is not set
+# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
+# CONFIG_NETFILTER_XT_MATCH_SCTP is not set
+# CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set
+# CONFIG_NETFILTER_XT_MATCH_STRING is not set
+# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set
+# CONFIG_NETFILTER_XT_MATCH_TIME is not set
+# CONFIG_NETFILTER_XT_MATCH_U32 is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
-CONFIG_IP_NF_CONNTRACK=m
-# CONFIG_IP_NF_CT_ACCT is not set
-# CONFIG_IP_NF_CONNTRACK_MARK is not set
-# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
-CONFIG_IP_NF_CT_PROTO_SCTP=m
-CONFIG_IP_NF_FTP=m
-CONFIG_IP_NF_IRC=m
-# CONFIG_IP_NF_NETBIOS_NS is not set
-CONFIG_IP_NF_TFTP=m
-CONFIG_IP_NF_AMANDA=m
-# CONFIG_IP_NF_PPTP is not set
+# CONFIG_NF_DEFRAG_IPV4 is not set
 CONFIG_IP_NF_QUEUE=m
 CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-CONFIG_IP_NF_MATCH_PKTTYPE=m
-CONFIG_IP_NF_MATCH_MARK=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
+# CONFIG_IP_NF_MATCH_AH is not set
 CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
 CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_REALM=m
-CONFIG_IP_NF_MATCH_SCTP=m
-# CONFIG_IP_NF_MATCH_DCCP is not set
-CONFIG_IP_NF_MATCH_COMMENT=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
-# CONFIG_IP_NF_MATCH_STRING is not set
 CONFIG_IP_NF_FILTER=m
 # CONFIG_IP_NF_TARGET_REJECT is not set
 CONFIG_IP_NF_TARGET_LOG=m
 CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-# CONFIG_IP_NF_TARGET_NFQUEUE is not set
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-# CONFIG_IP_NF_TARGET_MASQUERADE is not set
-# CONFIG_IP_NF_TARGET_REDIRECT is not set
-# CONFIG_IP_NF_TARGET_NETMAP is not set
-# CONFIG_IP_NF_TARGET_SAME is not set
-# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
 CONFIG_IP_NF_MANGLE=m
-# CONFIG_IP_NF_TARGET_TOS is not set
 # CONFIG_IP_NF_TARGET_ECN is not set
-# CONFIG_IP_NF_TARGET_DSCP is not set
-# CONFIG_IP_NF_TARGET_MARK is not set
-# CONFIG_IP_NF_TARGET_CLASSIFY is not set
 # CONFIG_IP_NF_TARGET_TTL is not set
 CONFIG_IP_NF_RAW=m
-# CONFIG_IP_NF_TARGET_NOTRACK is not set
 CONFIG_IP_NF_ARPTABLES=m
 CONFIG_IP_NF_ARPFILTER=m
 CONFIG_IP_NF_ARP_MANGLE=m
 
 #
-# IPv6: Netfilter Configuration (EXPERIMENTAL)
+# IPv6: Netfilter Configuration
 #
 CONFIG_IP6_NF_QUEUE=m
 CONFIG_IP6_NF_IPTABLES=m
-CONFIG_IP6_NF_MATCH_LIMIT=m
-CONFIG_IP6_NF_MATCH_MAC=m
-CONFIG_IP6_NF_MATCH_RT=m
-CONFIG_IP6_NF_MATCH_OPTS=m
+# CONFIG_IP6_NF_MATCH_AH is not set
+CONFIG_IP6_NF_MATCH_EUI64=m
 CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_OPTS=m
 CONFIG_IP6_NF_MATCH_HL=m
-CONFIG_IP6_NF_MATCH_MULTIPORT=m
-CONFIG_IP6_NF_MATCH_OWNER=m
-CONFIG_IP6_NF_MATCH_MARK=m
 CONFIG_IP6_NF_MATCH_IPV6HEADER=m
-CONFIG_IP6_NF_MATCH_AHESP=m
-CONFIG_IP6_NF_MATCH_LENGTH=m
-CONFIG_IP6_NF_MATCH_EUI64=m
-CONFIG_IP6_NF_FILTER=m
+# CONFIG_IP6_NF_MATCH_MH is not set
+CONFIG_IP6_NF_MATCH_RT=m
 # CONFIG_IP6_NF_TARGET_LOG is not set
+CONFIG_IP6_NF_FILTER=m
 # CONFIG_IP6_NF_TARGET_REJECT is not set
-# CONFIG_IP6_NF_TARGET_NFQUEUE is not set
 CONFIG_IP6_NF_MANGLE=m
-# CONFIG_IP6_NF_TARGET_MARK is not set
 # CONFIG_IP6_NF_TARGET_HL is not set
 CONFIG_IP6_NF_RAW=m
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -376,21 +485,16 @@ CONFIG_IP6_NF_RAW=m
 # CONFIG_ATALK is not set
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
-CONFIG_NET_CLS_ROUTE=y
 
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 CONFIG_IRDA=m
 
 #
@@ -420,27 +524,17 @@ CONFIG_IRCOMM=m
 #
 # Dongle support
 #
-
-#
-# Old SIR device drivers
-#
-# CONFIG_IRPORT_SIR is not set
-
-#
-# Old Serial dongle support
-#
+# CONFIG_KINGSUN_DONGLE is not set
+# CONFIG_KSDAZZLE_DONGLE is not set
+# CONFIG_KS959_DONGLE is not set
 
 #
 # FIR device drivers
 #
 # CONFIG_USB_IRDA is not set
 # CONFIG_SIGMATEL_FIR is not set
-# CONFIG_NSC_FIR is not set
-# CONFIG_WINBOND_FIR is not set
-# CONFIG_SMC_IRCC_FIR is not set
-# CONFIG_ALI_FIR is not set
-# CONFIG_VIA_FIR is not set
 CONFIG_PXA_FICP=m
+# CONFIG_MCS_FIR is not set
 CONFIG_BT=m
 CONFIG_BT_L2CAP=m
 CONFIG_BT_SCO=m
@@ -456,9 +550,12 @@ CONFIG_BT_HIDP=m
 #
 CONFIG_BT_HCIUSB=m
 # CONFIG_BT_HCIUSB_SCO is not set
+# CONFIG_BT_HCIBTUSB is not set
+# CONFIG_BT_HCIBTSDIO is not set
 CONFIG_BT_HCIUART=m
 CONFIG_BT_HCIUART_H4=y
 CONFIG_BT_HCIUART_BCSP=y
+# CONFIG_BT_HCIUART_LL is not set
 CONFIG_BT_HCIBCM203X=m
 CONFIG_BT_HCIBPA10X=m
 CONFIG_BT_HCIBFUSB=m
@@ -467,11 +564,20 @@ CONFIG_BT_HCIBT3C=m
 CONFIG_BT_HCIBLUECARD=m
 CONFIG_BT_HCIBTUART=m
 CONFIG_BT_HCIVHCI=m
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
 CONFIG_IEEE80211=m
 # CONFIG_IEEE80211_DEBUG is not set
 CONFIG_IEEE80211_CRYPT_WEP=m
 # CONFIG_IEEE80211_CRYPT_CCMP is not set
 # CONFIG_IEEE80211_CRYPT_TKIP is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -480,19 +586,16 @@ CONFIG_IEEE80211_CRYPT_WEP=m
 #
 # Generic Driver Options
 #
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_CONCAT is not set
@@ -500,16 +603,20 @@ CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
 #
 CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
 CONFIG_MTD_BLOCK=y
 # CONFIG_FTL is not set
 # CONFIG_NFTL is not set
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -534,16 +641,18 @@ CONFIG_MTD_ROM=y
 # Mapping drivers for chip access
 #
 CONFIG_MTD_COMPLEX_MAPPINGS=y
+# CONFIG_MTD_PHYSMAP is not set
 CONFIG_MTD_SHARP_SL=y
 # CONFIG_MTD_PLATRAM is not set
 
 #
 # Self-contained MTD device drivers
 #
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
-# CONFIG_MTD_BLKMTD is not set
 # CONFIG_MTD_BLOCK2MTD is not set
 
 #
@@ -552,78 +661,66 @@ CONFIG_MTD_SHARP_SL=y
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_VERIFY_WRITE=y
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
 # CONFIG_MTD_NAND_H1900 is not set
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
 CONFIG_MTD_NAND_SHARPSL=y
 # CONFIG_MTD_NAND_NANDSIM is not set
-
-#
-# OneNAND Flash Device Drivers
-#
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
 # CONFIG_MTD_ONENAND is not set
 
 #
-# Parallel port support
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_UB is not set
 # CONFIG_BLK_DEV_RAM is not set
-CONFIG_BLK_DEV_RAM_COUNT=16
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
-CONFIG_BLK_DEV_IDE=y
 
 #
-# Please see Documentation/ide.txt for help/info on IDE drives
+# Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 # CONFIG_BLK_DEV_IDE_SATA is not set
 CONFIG_BLK_DEV_IDEDISK=y
-# CONFIG_IDEDISK_MULTI_MODE is not set
 CONFIG_BLK_DEV_IDECS=y
 # CONFIG_BLK_DEV_IDECD is not set
 # CONFIG_BLK_DEV_IDETAPE is not set
 # CONFIG_BLK_DEV_IDEFLOPPY is not set
 # CONFIG_BLK_DEV_IDESCSI is not set
 # CONFIG_IDE_TASK_IOCTL is not set
+CONFIG_IDE_PROC_FS=y
 
 #
 # IDE chipset support/bugfixes
 #
-CONFIG_IDE_GENERIC=y
-# CONFIG_IDE_ARM is not set
+# CONFIG_BLK_DEV_PLATFORM is not set
 # CONFIG_BLK_DEV_IDEDMA is not set
-# CONFIG_IDEDMA_AUTO is not set
-# CONFIG_BLK_DEV_HD is not set
 
 #
 # SCSI device support
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=m
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
 CONFIG_SCSI_PROC_FS=y
 
 #
@@ -643,121 +740,76 @@ CONFIG_CHR_DEV_SG=m
 CONFIG_SCSI_MULTI_LUN=y
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
 
 #
-# SCSI Transport Attributes
+# SCSI Transports
 #
 # CONFIG_SCSI_SPI_ATTRS is not set
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
-
-#
-# SCSI low-level drivers
-#
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
-# CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_DEBUG is not set
-
-#
-# PCMCIA SCSI adapter support
-#
-# CONFIG_PCMCIA_AHA152X is not set
-# CONFIG_PCMCIA_FDOMAIN is not set
-# CONFIG_PCMCIA_NINJA_SCSI is not set
-# CONFIG_PCMCIA_QLOGIC is not set
-# CONFIG_PCMCIA_SYM53C500 is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
+# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_ATA is not set
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-
-#
-# PHY device support
-#
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=m
+# CONFIG_AX88796 is not set
 # CONFIG_SMC91X is not set
 # CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
 
 #
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
+# Wireless LAN
 #
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 
 #
-# Wireless LAN (non-hamradio)
-#
-CONFIG_NET_RADIO=y
-
-#
-# Obsolete Wireless cards support (pre-802.11)
-#
-# CONFIG_STRIP is not set
-# CONFIG_PCMCIA_WAVELAN is not set
-# CONFIG_PCMCIA_NETWAVE is not set
-
-#
-# Wireless 802.11 Frequency Hopping cards support
-#
-# CONFIG_PCMCIA_RAYCS is not set
-
-#
-# Wireless 802.11b ISA/PCI cards support
-#
-CONFIG_HERMES=m
-# CONFIG_ATMEL is not set
-
-#
-# Wireless 802.11b Pcmcia/Cardbus cards support
-#
-CONFIG_PCMCIA_HERMES=m
-CONFIG_PCMCIA_SPECTRUM=m
-# CONFIG_AIRO_CS is not set
-# CONFIG_PCMCIA_WL3501 is not set
-CONFIG_HOSTAP=m
-CONFIG_HOSTAP_FIRMWARE=y
-CONFIG_HOSTAP_CS=m
-CONFIG_NET_WIRELESS=y
-
-#
-# PCMCIA network device support
+# USB Network Adapters
 #
+CONFIG_USB_CATC=m
+CONFIG_USB_KAWETH=m
+CONFIG_USB_PEGASUS=m
+CONFIG_USB_RTL8150=m
+CONFIG_USB_USBNET=m
+CONFIG_USB_NET_AX8817X=m
+CONFIG_USB_NET_CDCETHER=m
+# CONFIG_USB_NET_DM9601 is not set
+# CONFIG_USB_NET_SMSC95XX is not set
+# CONFIG_USB_NET_GL620A is not set
+CONFIG_USB_NET_NET1080=m
+# CONFIG_USB_NET_PLUSB is not set
+# CONFIG_USB_NET_MCS7830 is not set
+# CONFIG_USB_NET_RNDIS_HOST is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+CONFIG_USB_NET_ZAURUS=m
 CONFIG_NET_PCMCIA=y
 # CONFIG_PCMCIA_3C589 is not set
 # CONFIG_PCMCIA_3C574 is not set
@@ -767,10 +819,6 @@ CONFIG_PCMCIA_PCNET=m
 # CONFIG_PCMCIA_SMC91C92 is not set
 # CONFIG_PCMCIA_XIRC2PS is not set
 # CONFIG_PCMCIA_AXNET is not set
-
-#
-# Wan interfaces
-#
 # CONFIG_WAN is not set
 CONFIG_PPP=m
 # CONFIG_PPP_MULTILINK is not set
@@ -781,31 +829,29 @@ CONFIG_PPP_ASYNC=m
 CONFIG_PPP_BSDCOMP=m
 # CONFIG_PPP_MPPE is not set
 # CONFIG_PPPOE is not set
+# CONFIG_PPPOL2TP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
+CONFIG_SLHC=m
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
 
 #
 # Input device support
 #
 CONFIG_INPUT=y
+CONFIG_INPUT_FF_MEMLESS=m
+# CONFIG_INPUT_POLLDEV is not set
 
 #
 # Userland interfaces
 #
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_EVBUG is not set
-# CONFIG_INPUT_POWER is not set
+# CONFIG_INPUT_APMPOWER is not set
 
 #
 # Input Device Drivers
@@ -816,17 +862,35 @@ CONFIG_INPUT_KEYBOARD=y
 # CONFIG_KEYBOARD_LKKBD is not set
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
 # CONFIG_KEYBOARD_CORGI is not set
 CONFIG_KEYBOARD_SPITZ=y
+# CONFIG_KEYBOARD_PXA27x is not set
+# CONFIG_KEYBOARD_GPIO is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
 CONFIG_INPUT_TOUCHSCREEN=y
-CONFIG_TOUCHSCREEN_CORGI=y
+CONFIG_TOUCHSCREEN_ADS7846=y
+# CONFIG_TOUCHSCREEN_CORGI is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_CM109 is not set
 CONFIG_INPUT_UINPUT=m
 
 #
@@ -839,8 +903,11 @@ CONFIG_INPUT_UINPUT=m
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -849,6 +916,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_8250=m
 CONFIG_SERIAL_8250_CS=m
 CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -860,101 +928,253 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
+CONFIG_HW_RANDOM=m
 # CONFIG_NVRAM is not set
-# CONFIG_RTC is not set
-# CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 
-#
-# Ftape, the floppy tape device driver
-#
-
 #
 # PCMCIA character devices
 #
 # CONFIG_SYNCLINK_CS is not set
 # CONFIG_CARDMAN_4000 is not set
 # CONFIG_CARDMAN_4040 is not set
+# CONFIG_IPWIRELESS is not set
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
-# CONFIG_TELCLOCK is not set
-
-#
-# I2C support
-#
 CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
-# I2C Algorithms
+# I2C Hardware Bus support
 #
-# CONFIG_I2C_ALGOBIT is not set
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
 
 #
-# I2C Hardware Bus support
+# I2C system bus drivers (mostly embedded / system-on-chip)
 #
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
 CONFIG_I2C_PXA=y
 # CONFIG_I2C_PXA_SLAVE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
 # CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-# CONFIG_I2C_PCA_ISA is not set
 
 #
-# Hardware Monitoring support
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+CONFIG_SPI_PXA2XX=y
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
 #
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_AD7414 is not set
+# CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADCXX is not set
+# CONFIG_SENSORS_ADM1021 is not set
+# CONFIG_SENSORS_ADM1025 is not set
+# CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1029 is not set
+# CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ATXP1 is not set
+# CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_LM75 is not set
+# CONFIG_SENSORS_LM77 is not set
+# CONFIG_SENSORS_LM78 is not set
+# CONFIG_SENSORS_LM80 is not set
+# CONFIG_SENSORS_LM83 is not set
+# CONFIG_SENSORS_LM85 is not set
+# CONFIG_SENSORS_LM87 is not set
+# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_LM93 is not set
+CONFIG_SENSORS_MAX1111=y
+# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_MAX6650 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_DME1737 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47M192 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83791D is not set
+# CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83793 is not set
+# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
 
 #
-# Misc devices
+# Sonics Silicon Backplane
 #
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
-# Multimedia Capabilities Port drivers
+# Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Digital Video Broadcasting Devices
+# Multimedia drivers
 #
-# CONFIG_DVB is not set
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
 # CONFIG_FB_MODE_HELPERS is not set
 # CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
 # CONFIG_FB_S1D13XXX is not set
 CONFIG_FB_PXA=y
+# CONFIG_FB_PXA_SMARTPANEL is not set
 # CONFIG_FB_PXA_PARAMETERS is not set
+# CONFIG_FB_MBX is not set
 # CONFIG_FB_W100 is not set
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=y
+CONFIG_LCD_CORGI=y
+# CONFIG_LCD_LTV350QV is not set
+# CONFIG_LCD_ILI9320 is not set
+# CONFIG_LCD_TDO24M is not set
+# CONFIG_LCD_VGG2432A4 is not set
+# CONFIG_LCD_PLATFORM is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_CORGI is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
 
 #
 # Console display driver support
@@ -962,6 +1182,7 @@ CONFIG_FB_PXA=y
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
 CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
@@ -974,55 +1195,96 @@ CONFIG_FONT_8x16=y
 # CONFIG_FONT_SUN8x16 is not set
 # CONFIG_FONT_SUN12x22 is not set
 # CONFIG_FONT_10x18 is not set
+# CONFIG_LOGO is not set
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
 
 #
-# Logo configuration
+# USB Input Devices
 #
-# CONFIG_LOGO is not set
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
-CONFIG_BACKLIGHT_DEVICE=y
-CONFIG_LCD_CLASS_DEVICE=y
-CONFIG_LCD_DEVICE=y
-CONFIG_BACKLIGHT_CORGI=y
+CONFIG_USB_HID=m
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
 
 #
-# Sound
+# USB HID Boot Protocol drivers
 #
-# CONFIG_SOUND is not set
+CONFIG_USB_KBD=m
+CONFIG_USB_MOUSE=m
 
 #
-# USB support
-#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=m
+CONFIG_HID_APPLE=m
+CONFIG_HID_BELKIN=m
+CONFIG_HID_BRIGHT=m
+CONFIG_HID_CHERRY=m
+CONFIG_HID_CHICONY=m
+CONFIG_HID_CYPRESS=m
+CONFIG_HID_DELL=m
+CONFIG_HID_EZKEY=m
+CONFIG_HID_GYRATION=m
+CONFIG_HID_LOGITECH=m
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=m
+CONFIG_HID_MONTEREY=m
+CONFIG_HID_PANTHERLORD=m
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=m
+CONFIG_HID_SAMSUNG=m
+CONFIG_HID_SONY=m
+CONFIG_HID_SUNPLUS=m
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
+CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
 CONFIG_USB=m
 # CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
 
 #
 # Miscellaneous USB options
 #
 CONFIG_USB_DEVICEFS=y
-# CONFIG_USB_BANDWIDTH is not set
+CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
 CONFIG_USB_OHCI_HCD=m
-# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
 CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 CONFIG_USB_SL811_HCD=m
 CONFIG_USB_SL811_CS=m
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_MUSB_HDRC is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
 
 #
 # USB Device Class drivers
 #
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=m
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1041,33 +1303,11 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
-
-#
-# USB Input Devices
-#
-CONFIG_USB_HID=m
-CONFIG_USB_HIDINPUT=y
-# CONFIG_HID_FF is not set
-# CONFIG_USB_HIDDEV is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-CONFIG_USB_KBD=m
-CONFIG_USB_MOUSE=m
-CONFIG_USB_AIPTEK=m
-CONFIG_USB_WACOM=m
-# CONFIG_USB_ACECAD is not set
-CONFIG_USB_KBTAB=m
-CONFIG_USB_POWERMATE=m
-CONFIG_USB_MTOUCH=m
-# CONFIG_USB_ITMTOUCH is not set
-CONFIG_USB_EGALAX=m
-# CONFIG_USB_YEALINK is not set
-CONFIG_USB_XPAD=m
-CONFIG_USB_ATI_REMOTE=m
-# CONFIG_USB_KEYSPAN_REMOTE is not set
-# CONFIG_USB_APPLETOUCH is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
 
 #
 # USB Imaging devices
@@ -1075,52 +1315,23 @@ CONFIG_USB_ATI_REMOTE=m
 CONFIG_USB_MDC800=m
 CONFIG_USB_MICROTEK=m
 
-#
-# USB Multimedia devices
-#
-CONFIG_USB_DABUSB=m
-
-#
-# Video4Linux support is needed for USB Multimedia device support
-#
-
-#
-# USB Network Adapters
-#
-CONFIG_USB_CATC=m
-CONFIG_USB_KAWETH=m
-CONFIG_USB_PEGASUS=m
-CONFIG_USB_RTL8150=m
-CONFIG_USB_USBNET=m
-CONFIG_USB_NET_AX8817X=m
-CONFIG_USB_NET_CDCETHER=m
-# CONFIG_USB_NET_GL620A is not set
-CONFIG_USB_NET_NET1080=m
-# CONFIG_USB_NET_PLUSB is not set
-# CONFIG_USB_NET_RNDIS_HOST is not set
-# CONFIG_USB_NET_CDC_SUBSET is not set
-CONFIG_USB_NET_ZAURUS=m
-# CONFIG_USB_ZD1201 is not set
-CONFIG_USB_MON=y
-
 #
 # USB port drivers
 #
-
-#
-# USB Serial Converter support
-#
 CONFIG_USB_SERIAL=m
+CONFIG_USB_EZUSB=y
 CONFIG_USB_SERIAL_GENERIC=y
-# CONFIG_USB_SERIAL_AIRPRIME is not set
-# CONFIG_USB_SERIAL_ANYDATA is not set
+# CONFIG_USB_SERIAL_AIRCABLE is not set
+# CONFIG_USB_SERIAL_ARK3116 is not set
 CONFIG_USB_SERIAL_BELKIN=m
+# CONFIG_USB_SERIAL_CH341 is not set
 # CONFIG_USB_SERIAL_WHITEHEAT is not set
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
 # CONFIG_USB_SERIAL_CP2101 is not set
 CONFIG_USB_SERIAL_CYPRESS_M8=m
 CONFIG_USB_SERIAL_EMPEG=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
+# CONFIG_USB_SERIAL_FUNSOFT is not set
 CONFIG_USB_SERIAL_VISOR=m
 CONFIG_USB_SERIAL_IPAQ=m
 CONFIG_USB_SERIAL_IR=m
@@ -1128,6 +1339,7 @@ CONFIG_USB_SERIAL_EDGEPORT=m
 CONFIG_USB_SERIAL_EDGEPORT_TI=m
 CONFIG_USB_SERIAL_GARMIN=m
 CONFIG_USB_SERIAL_IPW=m
+# CONFIG_USB_SERIAL_IUU is not set
 CONFIG_USB_SERIAL_KEYSPAN_PDA=m
 CONFIG_USB_SERIAL_KEYSPAN=m
 # CONFIG_USB_SERIAL_KEYSPAN_MPR is not set
@@ -1145,49 +1357,66 @@ CONFIG_USB_SERIAL_KEYSPAN=m
 CONFIG_USB_SERIAL_KLSI=m
 CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
+# CONFIG_USB_SERIAL_MOS7720 is not set
+# CONFIG_USB_SERIAL_MOS7840 is not set
+# CONFIG_USB_SERIAL_MOTOROLA is not set
+# CONFIG_USB_SERIAL_NAVMAN is not set
 CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_OTI6858 is not set
+# CONFIG_USB_SERIAL_SPCP8X5 is not set
 # CONFIG_USB_SERIAL_HP4X is not set
 CONFIG_USB_SERIAL_SAFE=m
 # CONFIG_USB_SERIAL_SAFE_PADDED is not set
+# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set
 CONFIG_USB_SERIAL_TI=m
 CONFIG_USB_SERIAL_CYBERJACK=m
 CONFIG_USB_SERIAL_XIRCOM=m
 # CONFIG_USB_SERIAL_OPTION is not set
 CONFIG_USB_SERIAL_OMNINET=m
-CONFIG_USB_EZUSB=y
+# CONFIG_USB_SERIAL_DEBUG is not set
 
 #
 # USB Miscellaneous drivers
 #
 CONFIG_USB_EMI62=m
 CONFIG_USB_EMI26=m
-CONFIG_USB_AUERSWALD=m
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
 CONFIG_USB_RIO500=m
 CONFIG_USB_LEGOTOWER=m
 CONFIG_USB_LCD=m
+# CONFIG_USB_BERRY_CHARGE is not set
 CONFIG_USB_LED=m
+# CONFIG_USB_CYPRESS_CY7C63 is not set
 CONFIG_USB_CYTHERM=m
-CONFIG_USB_PHIDGETKIT=m
-CONFIG_USB_PHIDGETSERVO=m
+# CONFIG_USB_PHIDGET is not set
 CONFIG_USB_IDMOUSE=m
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
 # CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
-
-#
-# USB DSL modem support
-#
-
-#
-# USB Gadget Support
-#
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 CONFIG_USB_GADGET=m
+# CONFIG_USB_GADGET_DEBUG is not set
 # CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
 CONFIG_USB_GADGET_SELECTED=y
-# CONFIG_USB_GADGET_NET2280 is not set
-# CONFIG_USB_GADGET_PXA2XX is not set
-# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
 # CONFIG_USB_GADGET_LH7A40X is not set
 # CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
 CONFIG_USB_GADGET_DUMMY_HCD=y
 CONFIG_USB_DUMMY_HCD=m
 CONFIG_USB_GADGET_DUALSPEED=y
@@ -1198,15 +1427,42 @@ CONFIG_USB_GADGETFS=m
 CONFIG_USB_FILE_STORAGE=m
 # CONFIG_USB_FILE_STORAGE_TEST is not set
 CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
 
 #
-# MMC/SD Card support
+# MMC/SD/SDIO Card Drivers
 #
-CONFIG_MMC=y
-# CONFIG_MMC_DEBUG is not set
 CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
 CONFIG_MMC_PXA=y
-# CONFIG_MMC_WBSD is not set
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_ACCESSIBILITY is not set
+# CONFIG_NEW_LEDS is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+
+#
+# Voltage and Current regulators
+#
+# CONFIG_REGULATOR is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_UIO is not set
 
 #
 # File systems
@@ -1218,18 +1474,19 @@ CONFIG_EXT2_FS_SECURITY=y
 # CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
-# CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -1254,11 +1511,13 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # Pseudo filesystems
 #
 CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -1270,39 +1529,42 @@ CONFIG_RAMFS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
-# CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
 CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
 CONFIG_JFFS2_SUMMARY=y
+# CONFIG_JFFS2_FS_XATTR is not set
 CONFIG_JFFS2_COMPRESSION_OPTIONS=y
 CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 CONFIG_JFFS2_RUBIN=y
 # CONFIG_JFFS2_CMODE_NONE is not set
 CONFIG_JFFS2_CMODE_PRIORITY=y
 # CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
 CONFIG_CRAMFS=m
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=m
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 CONFIG_NFS_V4=y
-# CONFIG_NFS_DIRECTIO is not set
 # CONFIG_NFSD is not set
 CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
 CONFIG_SUNRPC_GSS=m
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=m
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1312,7 +1574,6 @@ CONFIG_SMB_NLS_REMOTE="cp437"
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
@@ -1332,11 +1593,9 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
+# CONFIG_SYSV68_PARTITION is not set
 CONFIG_NLS=y
 CONFIG_NLS_DEFAULT="cp437"
 CONFIG_NLS_CODEPAGE_437=y
@@ -1377,35 +1636,71 @@ CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_KOI8_R is not set
 # CONFIG_NLS_KOI8_U is not set
 CONFIG_NLS_UTF8=y
-
-#
-# Profiling support
-#
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=m
+# CONFIG_DLM is not set
 
 #
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
-CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
 CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
-# CONFIG_DEBUG_SLAB is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
 # CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
-# CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
 # CONFIG_DEBUG_USER is not set
 CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
 # CONFIG_DEBUG_ICEDCC is not set
 
@@ -1414,46 +1709,113 @@ CONFIG_DEBUG_LL=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
 
 #
-# Cryptographic options
+# Crypto core or helper
 #
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_FIPS is not set
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
 CONFIG_CRYPTO_NULL=m
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_TEST=m
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=m
+CONFIG_CRYPTO_MICHAEL_MIC=m
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=m
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
-CONFIG_CRYPTO_WP512=m
 # CONFIG_CRYPTO_TGR192 is not set
-CONFIG_CRYPTO_DES=m
-CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_WP512=m
+
+#
+# Ciphers
+#
 CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_BLOWFISH=m
+# CONFIG_CRYPTO_CAMELLIA is not set
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
-CONFIG_CRYPTO_TEA=m
-CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_DES=m
+# CONFIG_CRYPTO_FCRYPT is not set
 CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_ANUBIS=m
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+
+#
+# Compression
+#
 CONFIG_CRYPTO_DEFLATE=m
-CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_CRC32C=m
-CONFIG_CRYPTO_TEST=m
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Hardware crypto devices
+# Random Number Generation
 #
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
+CONFIG_BITREVERSE=y
 CONFIG_CRC_CCITT=y
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
+CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
-- 
GitLab


From 175854be81dc42b70591760c193113e4898b3e6f Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Sat, 18 Oct 2008 14:56:43 +0200
Subject: [PATCH 1691/2224] [ARM] pxa/spitz: fix unbalance parenthesis in
 header file spitz.h

Hello,

	Introduced by:

commit fff147208b48680cb7b627a144113a6585828a0e
Author: Eric Miao <eric.miao@marvell.com>
Date:   Fri Sep 5 22:15:23 2008 +0800

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
---
 arch/arm/mach-pxa/include/mach/spitz.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-pxa/include/mach/spitz.h b/arch/arm/mach-pxa/include/mach/spitz.h
index 56088a24615..fa1998caa78 100644
--- a/arch/arm/mach-pxa/include/mach/spitz.h
+++ b/arch/arm/mach-pxa/include/mach/spitz.h
@@ -142,7 +142,7 @@
 
 #define SPITZ_SCP2_GPIO_BASE		(NR_BUILTIN_GPIO + 12)
 #define SPITZ_GPIO_IR_ON		(SPITZ_SCP2_GPIO_BASE + 0)
-#define SPITZ_GPIO_AKIN_PULLUP		(SPITZ_SCP2_GPIO_BASE + 1
+#define SPITZ_GPIO_AKIN_PULLUP		(SPITZ_SCP2_GPIO_BASE + 1)
 #define SPITZ_GPIO_RESERVED_1		(SPITZ_SCP2_GPIO_BASE + 2)
 #define SPITZ_GPIO_RESERVED_2		(SPITZ_SCP2_GPIO_BASE + 3)
 #define SPITZ_GPIO_RESERVED_3		(SPITZ_SCP2_GPIO_BASE + 4)
-- 
GitLab


From 74f2a5f0ef643b7b277f7a270f85573f88d930d1 Mon Sep 17 00:00:00 2001
From: Chris Zankel <czankel@Athlon.(none)>
Date: Mon, 5 May 2008 23:36:35 -0700
Subject: [PATCH 1692/2224] xtensa: Add support for the Sonic Ethernet device
 for the XT2000 board.

Add support for the on-board Sonic Ethernet device for the XT2000
evaluation board.

Signed-off-by: Chris Zankel <chris@zankel.net>
---
 drivers/net/Kconfig   |   6 +
 drivers/net/Makefile  |   2 +
 drivers/net/xtsonic.c | 319 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 327 insertions(+)
 create mode 100644 drivers/net/xtsonic.c

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 1d8af334833..d15ab76964e 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -464,6 +464,12 @@ config MIPS_JAZZ_SONIC
 	  This is the driver for the onboard card of MIPS Magnum 4000,
 	  Acer PICA, Olivetti M700-10 and a few other identical OEM systems.
 
+config XTENSA_XT2000_SONIC
+	tristate "Xtensa XT2000 onboard SONIC Ethernet support"
+	depends on XTENSA_PLATFORM_XT2000
+	help
+	  This is the driver for the onboard card of the Xtensa XT2000 board.
+
 config MIPS_AU1X00_ENET
 	bool "MIPS AU1000 Ethernet support"
 	depends on SOC_AU1X00
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index fa2510b2e60..f19acf8b922 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -227,6 +227,8 @@ pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
 obj-$(CONFIG_MLX4_CORE) += mlx4/
 obj-$(CONFIG_ENC28J60) += enc28j60.o
 
+obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
+
 obj-$(CONFIG_MACB) += macb.o
 
 obj-$(CONFIG_ARM) += arm/
diff --git a/drivers/net/xtsonic.c b/drivers/net/xtsonic.c
new file mode 100644
index 00000000000..da42aa06a3b
--- /dev/null
+++ b/drivers/net/xtsonic.c
@@ -0,0 +1,319 @@
+/*
+ * xtsonic.c
+ *
+ * (C) 2001 - 2007 Tensilica Inc.
+ *	Kevin Chea <kchea@yahoo.com>
+ *	Marc Gauthier <marc@linux-xtensa.org>
+ *	Chris Zankel <chris@zankel.net>
+ *
+ * (C) 1996,1998 by Thomas Bogendoerfer (tsbogend@alpha.franken.de)
+ *
+ * This driver is based on work from Andreas Busse, but most of
+ * the code is rewritten.
+ *
+ * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de)
+ *
+ * A driver for the onboard Sonic ethernet controller on the XT2000.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/in.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/dma.h>
+
+static char xtsonic_string[] = "xtsonic";
+
+extern unsigned xtboard_nvram_valid(void);
+extern void xtboard_get_ether_addr(unsigned char *buf);
+
+#include "sonic.h"
+
+/*
+ * According to the documentation for the Sonic ethernet controller,
+ * EOBC should be 760 words (1520 bytes) for 32-bit applications, and,
+ * as such, 2 words less than the buffer size. The value for RBSIZE
+ * defined in sonic.h, however is only 1520.
+ *
+ * (Note that in 16-bit configurations, EOBC is 759 words (1518 bytes) and
+ * RBSIZE 1520 bytes)
+ */
+#undef SONIC_RBSIZE
+#define SONIC_RBSIZE	1524
+
+/*
+ * The chip provides 256 byte register space.
+ */
+#define SONIC_MEM_SIZE	0x100
+
+/*
+ * Macros to access SONIC registers
+ */
+#define SONIC_READ(reg) \
+	(0xffff & *((volatile unsigned int *)dev->base_addr+reg))
+
+#define SONIC_WRITE(reg,val) \
+	*((volatile unsigned int *)dev->base_addr+reg) = val
+
+
+/* Use 0 for production, 1 for verification, and >2 for debug */
+#ifdef SONIC_DEBUG
+static unsigned int sonic_debug = SONIC_DEBUG;
+#else
+static unsigned int sonic_debug = 1;
+#endif
+
+/*
+ * We cannot use station (ethernet) address prefixes to detect the
+ * sonic controller since these are board manufacturer depended.
+ * So we check for known Silicon Revision IDs instead.
+ */
+static unsigned short known_revisions[] =
+{
+	0x101,			/* SONIC 83934 */
+	0xffff			/* end of list */
+};
+
+static int xtsonic_open(struct net_device *dev)
+{
+	if (request_irq(dev->irq,&sonic_interrupt,IRQF_DISABLED,"sonic",dev)) {
+		printk(KERN_ERR "%s: unable to get IRQ %d.\n",
+		       dev->name, dev->irq);
+		return -EAGAIN;
+	}
+	return sonic_open(dev);
+}
+
+static int xtsonic_close(struct net_device *dev)
+{
+	int err;
+	err = sonic_close(dev);
+	free_irq(dev->irq, dev);
+	return err;
+}
+
+static int __init sonic_probe1(struct net_device *dev)
+{
+	static unsigned version_printed = 0;
+	unsigned int silicon_revision;
+	struct sonic_local *lp = netdev_priv(dev);
+	unsigned int base_addr = dev->base_addr;
+	int i;
+	int err = 0;
+
+	if (!request_mem_region(base_addr, 0x100, xtsonic_string))
+		return -EBUSY;
+
+	/*
+	 * get the Silicon Revision ID. If this is one of the known
+	 * one assume that we found a SONIC ethernet controller at
+	 * the expected location.
+	 */
+	silicon_revision = SONIC_READ(SONIC_SR);
+	if (sonic_debug > 1)
+		printk("SONIC Silicon Revision = 0x%04x\n",silicon_revision);
+
+	i = 0;
+	while ((known_revisions[i] != 0xffff) &&
+			(known_revisions[i] != silicon_revision))
+		i++;
+
+	if (known_revisions[i] == 0xffff) {
+		printk("SONIC ethernet controller not found (0x%4x)\n",
+				silicon_revision);
+		return -ENODEV;
+	}
+
+	if (sonic_debug  &&  version_printed++ == 0)
+		printk(version);
+
+	/*
+	 * Put the sonic into software reset, then retrieve ethernet address.
+	 * Note: we are assuming that the boot-loader has initialized the cam.
+	 */
+	SONIC_WRITE(SONIC_CMD,SONIC_CR_RST);
+	SONIC_WRITE(SONIC_DCR,
+		    SONIC_DCR_WC0|SONIC_DCR_DW|SONIC_DCR_LBR|SONIC_DCR_SBUS);
+	SONIC_WRITE(SONIC_CEP,0);
+	SONIC_WRITE(SONIC_IMR,0);
+
+	SONIC_WRITE(SONIC_CMD,SONIC_CR_RST);
+	SONIC_WRITE(SONIC_CEP,0);
+
+	for (i=0; i<3; i++) {
+		unsigned int val = SONIC_READ(SONIC_CAP0-i);
+		dev->dev_addr[i*2] = val;
+		dev->dev_addr[i*2+1] = val >> 8;
+	}
+
+	/* Initialize the device structure. */
+
+	lp->dma_bitmode = SONIC_BITMODE32;
+
+	/*
+	 *  Allocate local private descriptor areas in uncached space.
+	 *  The entire structure must be located within the same 64kb segment.
+	 *  A simple way to ensure this is to allocate twice the
+	 *  size of the structure -- given that the structure is
+	 *  much less than 64 kB, at least one of the halves of
+	 *  the allocated area will be contained entirely in 64 kB.
+	 *  We also allocate extra space for a pointer to allow freeing
+	 *  this structure later on (in xtsonic_cleanup_module()).
+	 */
+	lp->descriptors =
+		dma_alloc_coherent(lp->device,
+			SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+			&lp->descriptors_laddr, GFP_KERNEL);
+
+	if (lp->descriptors == NULL) {
+		printk(KERN_ERR "%s: couldn't alloc DMA memory for "
+				" descriptors.\n", lp->device->bus_id);
+		goto out;
+	}
+
+	lp->cda = lp->descriptors;
+	lp->tda = lp->cda + (SIZEOF_SONIC_CDA
+			     * SONIC_BUS_SCALE(lp->dma_bitmode));
+	lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS
+			     * SONIC_BUS_SCALE(lp->dma_bitmode));
+	lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS
+			     * SONIC_BUS_SCALE(lp->dma_bitmode));
+
+	/* get the virtual dma address */
+
+	lp->cda_laddr = lp->descriptors_laddr;
+	lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA
+				         * SONIC_BUS_SCALE(lp->dma_bitmode));
+	lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS
+					 * SONIC_BUS_SCALE(lp->dma_bitmode));
+	lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS
+					 * SONIC_BUS_SCALE(lp->dma_bitmode));
+
+	dev->open = xtsonic_open;
+	dev->stop = xtsonic_close;
+	dev->hard_start_xmit	= sonic_send_packet;
+	dev->get_stats		= sonic_get_stats;
+	dev->set_multicast_list	= &sonic_multicast_list;
+	dev->tx_timeout		= sonic_tx_timeout;
+	dev->watchdog_timeo	= TX_TIMEOUT;
+
+	/*
+	 * clear tally counter
+	 */
+	SONIC_WRITE(SONIC_CRCT,0xffff);
+	SONIC_WRITE(SONIC_FAET,0xffff);
+	SONIC_WRITE(SONIC_MPT,0xffff);
+
+	return 0;
+out:
+	release_region(dev->base_addr, SONIC_MEM_SIZE);
+	return err;
+}
+
+
+/*
+ * Probe for a SONIC ethernet controller on an XT2000 board.
+ * Actually probing is superfluous but we're paranoid.
+ */
+
+int __init xtsonic_probe(struct platform_device *pdev)
+{
+	struct net_device *dev;
+	struct sonic_local *lp;
+	struct resource *resmem, *resirq;
+	int err = 0;
+
+	DECLARE_MAC_BUF(mac);
+
+	if ((resmem = platform_get_resource(pdev, IORESOURCE_MEM, 0)) == NULL)
+		return -ENODEV;
+
+	if ((resirq = platform_get_resource(pdev, IORESOURCE_IRQ, 0)) == NULL)
+		return -ENODEV;
+
+	if ((dev = alloc_etherdev(sizeof(struct sonic_local))) == NULL)
+		return -ENOMEM;
+
+	lp = netdev_priv(dev);
+	lp->device = &pdev->dev;
+	SET_NETDEV_DEV(dev, &pdev->dev);
+	netdev_boot_setup_check(dev);
+
+	dev->base_addr = resmem->start;
+	dev->irq = resirq->start;
+
+	if ((err = sonic_probe1(dev)))
+		goto out;
+	if ((err = register_netdev(dev)))
+		goto out1;
+
+	printk("%s: SONIC ethernet @%08lx, MAC %s, IRQ %d\n", dev->name,
+	       dev->base_addr, print_mac(mac, dev->dev_addr), dev->irq);
+
+	return 0;
+
+out1:
+	release_region(dev->base_addr, SONIC_MEM_SIZE);
+out:
+	free_netdev(dev);
+
+	return err;
+}
+
+MODULE_DESCRIPTION("Xtensa XT2000 SONIC ethernet driver");
+module_param(sonic_debug, int, 0);
+MODULE_PARM_DESC(sonic_debug, "xtsonic debug level (1-4)");
+
+#include "sonic.c"
+
+static int __devexit xtsonic_device_remove (struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+	struct sonic_local *lp = netdev_priv(dev);
+
+	unregister_netdev(dev);
+	dma_free_coherent(lp->device,
+			  SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+			  lp->descriptors, lp->descriptors_laddr);
+	release_region (dev->base_addr, SONIC_MEM_SIZE);
+	free_netdev(dev);
+
+	return 0;
+}
+
+static struct platform_driver xtsonic_driver = {
+	.probe = xtsonic_probe,
+	.remove = __devexit_p(xtsonic_device_remove),
+	.driver = {
+		.name = xtsonic_string,
+	},
+};
+
+static int __init xtsonic_init(void)
+{
+	return platform_driver_register(&xtsonic_driver);
+}
+
+static void __exit xtsonic_cleanup(void)
+{
+	platform_driver_unregister(&xtsonic_driver);
+}
+
+module_init(xtsonic_init);
+module_exit(xtsonic_cleanup);
-- 
GitLab


From 863b45180ef541a1990e4986d30fb7a93022a733 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 21 Oct 2008 17:01:47 +0200
Subject: [PATCH 1693/2224] ALSA: hda - Fix conflicting volume controls on
 ALC260

ALC260 auto-parsing mode may create multiple controls for the same volume
widget (0x08 and 0x09) depending on the pin.  For example, Front and
Headphone volumes may control the same volume, just the latter one wins.

This patch adds a proper check of the existing of the volume control
and avoid the doulbed creation of the same volume controls.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_realtek.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e72707cb60a..ef4955c73c8 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4996,7 +4996,7 @@ static struct hda_verb alc260_test_init_verbs[] = {
  */
 
 static int alc260_add_playback_controls(struct alc_spec *spec, hda_nid_t nid,
-					const char *pfx)
+					const char *pfx, int *vol_bits)
 {
 	hda_nid_t nid_vol;
 	unsigned long vol_val, sw_val;
@@ -5018,10 +5018,14 @@ static int alc260_add_playback_controls(struct alc_spec *spec, hda_nid_t nid,
 	} else
 		return 0; /* N/A */
 
-	snprintf(name, sizeof(name), "%s Playback Volume", pfx);
-	err = add_control(spec, ALC_CTL_WIDGET_VOL, name, vol_val);
-	if (err < 0)
-		return err;
+	if (!(*vol_bits & (1 << nid_vol))) {
+		/* first control for the volume widget */
+		snprintf(name, sizeof(name), "%s Playback Volume", pfx);
+		err = add_control(spec, ALC_CTL_WIDGET_VOL, name, vol_val);
+		if (err < 0)
+			return err;
+		*vol_bits |= (1 << nid_vol);
+	}
 	snprintf(name, sizeof(name), "%s Playback Switch", pfx);
 	err = add_control(spec, ALC_CTL_WIDGET_MUTE, name, sw_val);
 	if (err < 0)
@@ -5035,6 +5039,7 @@ static int alc260_auto_create_multi_out_ctls(struct alc_spec *spec,
 {
 	hda_nid_t nid;
 	int err;
+	int vols = 0;
 
 	spec->multiout.num_dacs = 1;
 	spec->multiout.dac_nids = spec->private_dac_nids;
@@ -5042,21 +5047,22 @@ static int alc260_auto_create_multi_out_ctls(struct alc_spec *spec,
 
 	nid = cfg->line_out_pins[0];
 	if (nid) {
-		err = alc260_add_playback_controls(spec, nid, "Front");
+		err = alc260_add_playback_controls(spec, nid, "Front", &vols);
 		if (err < 0)
 			return err;
 	}
 
 	nid = cfg->speaker_pins[0];
 	if (nid) {
-		err = alc260_add_playback_controls(spec, nid, "Speaker");
+		err = alc260_add_playback_controls(spec, nid, "Speaker", &vols);
 		if (err < 0)
 			return err;
 	}
 
 	nid = cfg->hp_pins[0];
 	if (nid) {
-		err = alc260_add_playback_controls(spec, nid, "Headphone");
+		err = alc260_add_playback_controls(spec, nid, "Headphone",
+						   &vols);
 		if (err < 0)
 			return err;
 	}
-- 
GitLab


From 00c81d23d330207d0fb99ca0c6682265d287816c Mon Sep 17 00:00:00 2001
From: Chris Zankel <chris@zankel.net>
Date: Tue, 21 Oct 2008 09:08:31 -0700
Subject: [PATCH 1694/2224] xtensa: Fix io regions

The uncached area starts at e000.0000 and spans 1GB. Also add an IOADDR
macro to determine the bypass region to access the IO space.

Signed-off-by: Chris Zankel <chris@zankel.net>
---
 include/asm-xtensa/io.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/asm-xtensa/io.h b/include/asm-xtensa/io.h
index 47c3616ea9a..07b7299dab2 100644
--- a/include/asm-xtensa/io.h
+++ b/include/asm-xtensa/io.h
@@ -18,10 +18,12 @@
 
 #include <linux/types.h>
 
-#define XCHAL_KIO_CACHED_VADDR	0xf0000000
-#define XCHAL_KIO_BYPASS_VADDR	0xf8000000
+#define XCHAL_KIO_CACHED_VADDR	0xe0000000
+#define XCHAL_KIO_BYPASS_VADDR	0xf0000000
 #define XCHAL_KIO_PADDR		0xf0000000
-#define XCHAL_KIO_SIZE		0x08000000
+#define XCHAL_KIO_SIZE		0x10000000
+
+#define IOADDR(x)		(XCHAL_KIO_BYPASS_VADDR + (x))
 
 /*
  * swap functions to change byte order from little-endian to big-endian and
-- 
GitLab


From 0025427eee4b5c005b4ac7a6489adc773e38611d Mon Sep 17 00:00:00 2001
From: Chris Zankel <chris@zankel.net>
Date: Tue, 21 Oct 2008 09:11:43 -0700
Subject: [PATCH 1695/2224] xtensa: Add config files for Diamond 232L - Rev B
 processor variant

The Diamond 232L processor is a pre-configured Xtensa processor tailored
for Linux application.

Signed-off-by: Chris Zankel <chris@zankel.net>
---
 arch/xtensa/Kconfig                         |   7 +-
 arch/xtensa/Makefile                        |   1 +
 include/asm-xtensa/variant-dc232b/core.h    | 424 ++++++++++++++++++++
 include/asm-xtensa/variant-dc232b/tie-asm.h | 122 ++++++
 include/asm-xtensa/variant-dc232b/tie.h     | 131 ++++++
 5 files changed, 684 insertions(+), 1 deletion(-)
 create mode 100644 include/asm-xtensa/variant-dc232b/core.h
 create mode 100644 include/asm-xtensa/variant-dc232b/tie-asm.h
 create mode 100644 include/asm-xtensa/variant-dc232b/tie.h

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 02e417d3d8e..2369ec6b089 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -63,7 +63,12 @@ choice
 	default XTENSA_VARIANT_FSF
 
 config XTENSA_VARIANT_FSF
-	bool "fsf"
+	bool "fsf - default (not generic) configuration"
+
+config XTENSA_VARIANT_DC232B
+	bool "dc232b - Diamond 232L Standard Core Rev.B (LE)"
+	help
+	This variant refers to Tensilica's Diamond 232L Standard core Rev.B (LE).
 endchoice
 
 config MMU
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 4bd1e14c6b9..015b6b2a26b 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -14,6 +14,7 @@
 # (Use VAR=<xtensa_config> to use another default compiler.)
 
 variant-$(CONFIG_XTENSA_VARIANT_FSF)		:= fsf
+variant-$(CONFIG_XTENSA_VARIANT_DC232B)		:= dc232b
 variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM)	:= custom
 
 VARIANT = $(variant-y)
diff --git a/include/asm-xtensa/variant-dc232b/core.h b/include/asm-xtensa/variant-dc232b/core.h
new file mode 100644
index 00000000000..525bd3d9015
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/core.h
@@ -0,0 +1,424 @@
+/*
+ * Xtensa processor core configuration information.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1999-2007 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_CONFIGURATION_H
+#define _XTENSA_CORE_CONFIGURATION_H
+
+
+/****************************************************************************
+	    Parameters Useful for Any Code, USER or PRIVILEGED
+ ****************************************************************************/
+
+/*
+ *  Note:  Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
+ *  configured, and a value of 0 otherwise.  These macros are always defined.
+ */
+
+
+/*----------------------------------------------------------------------
+				ISA
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_BE			0	/* big-endian byte ordering */
+#define XCHAL_HAVE_WINDOWED		1	/* windowed registers option */
+#define XCHAL_NUM_AREGS			32	/* num of physical addr regs */
+#define XCHAL_NUM_AREGS_LOG2		5	/* log2(XCHAL_NUM_AREGS) */
+#define XCHAL_MAX_INSTRUCTION_SIZE	3	/* max instr bytes (3..8) */
+#define XCHAL_HAVE_DEBUG		1	/* debug option */
+#define XCHAL_HAVE_DENSITY		1	/* 16-bit instructions */
+#define XCHAL_HAVE_LOOPS		1	/* zero-overhead loops */
+#define XCHAL_HAVE_NSA			1	/* NSA/NSAU instructions */
+#define XCHAL_HAVE_MINMAX		1	/* MIN/MAX instructions */
+#define XCHAL_HAVE_SEXT			1	/* SEXT instruction */
+#define XCHAL_HAVE_CLAMPS		1	/* CLAMPS instruction */
+#define XCHAL_HAVE_MUL16		1	/* MUL16S/MUL16U instructions */
+#define XCHAL_HAVE_MUL32		1	/* MULL instruction */
+#define XCHAL_HAVE_MUL32_HIGH		0	/* MULUH/MULSH instructions */
+#define XCHAL_HAVE_DIV32		1	/* QUOS/QUOU/REMS/REMU instructions */
+#define XCHAL_HAVE_L32R			1	/* L32R instruction */
+#define XCHAL_HAVE_ABSOLUTE_LITERALS	1	/* non-PC-rel (extended) L32R */
+#define XCHAL_HAVE_CONST16		0	/* CONST16 instruction */
+#define XCHAL_HAVE_ADDX			1	/* ADDX#/SUBX# instructions */
+#define XCHAL_HAVE_WIDE_BRANCHES	0	/* B*.W18 or B*.W15 instr's */
+#define XCHAL_HAVE_PREDICTED_BRANCHES	0	/* B[EQ/EQZ/NE/NEZ]T instr's */
+#define XCHAL_HAVE_CALL4AND12		1	/* (obsolete option) */
+#define XCHAL_HAVE_ABS			1	/* ABS instruction */
+/*#define XCHAL_HAVE_POPC		0*/	/* POPC instruction */
+/*#define XCHAL_HAVE_CRC		0*/	/* CRC instruction */
+#define XCHAL_HAVE_RELEASE_SYNC		1	/* L32AI/S32RI instructions */
+#define XCHAL_HAVE_S32C1I		1	/* S32C1I instruction */
+#define XCHAL_HAVE_SPECULATION		0	/* speculation */
+#define XCHAL_HAVE_FULL_RESET		1	/* all regs/state reset */
+#define XCHAL_NUM_CONTEXTS		1	/* */
+#define XCHAL_NUM_MISC_REGS		2	/* num of scratch regs (0..4) */
+#define XCHAL_HAVE_TAP_MASTER		0	/* JTAG TAP control instr's */
+#define XCHAL_HAVE_PRID			1	/* processor ID register */
+#define XCHAL_HAVE_THREADPTR		1	/* THREADPTR register */
+#define XCHAL_HAVE_BOOLEANS		0	/* boolean registers */
+#define XCHAL_HAVE_CP			1	/* CPENABLE reg (coprocessor) */
+#define XCHAL_CP_MAXCFG			8	/* max allowed cp id plus one */
+#define XCHAL_HAVE_MAC16		1	/* MAC16 package */
+#define XCHAL_HAVE_VECTORFPU2005	0	/* vector floating-point pkg */
+#define XCHAL_HAVE_FP			0	/* floating point pkg */
+#define XCHAL_HAVE_VECTRA1		0	/* Vectra I  pkg */
+#define XCHAL_HAVE_VECTRALX		0	/* Vectra LX pkg */
+#define XCHAL_HAVE_HIFI2		0	/* HiFi2 Audio Engine pkg */
+
+
+/*----------------------------------------------------------------------
+				MISC
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_NUM_WRITEBUFFER_ENTRIES	8	/* size of write buffer */
+#define XCHAL_INST_FETCH_WIDTH		4	/* instr-fetch width in bytes */
+#define XCHAL_DATA_WIDTH		4	/* data width in bytes */
+/*  In T1050, applies to selected core load and store instructions (see ISA): */
+#define XCHAL_UNALIGNED_LOAD_EXCEPTION	1	/* unaligned loads cause exc. */
+#define XCHAL_UNALIGNED_STORE_EXCEPTION	1	/* unaligned stores cause exc.*/
+
+#define XCHAL_SW_VERSION		701001	/* sw version of this header */
+
+#define XCHAL_CORE_ID			"dc232b"	/* alphanum core name
+						   (CoreID) set in the Xtensa
+						   Processor Generator */
+
+#define XCHAL_CORE_DESCRIPTION		"Diamond 232L Standard Core Rev.B (LE)"
+#define XCHAL_BUILD_UNIQUE_ID		0x0000BEEF	/* 22-bit sw build ID */
+
+/*
+ *  These definitions describe the hardware targeted by this software.
+ */
+#define XCHAL_HW_CONFIGID0		0xC56307FE	/* ConfigID hi 32 bits*/
+#define XCHAL_HW_CONFIGID1		0x0D40BEEF	/* ConfigID lo 32 bits*/
+#define XCHAL_HW_VERSION_NAME		"LX2.1.1"	/* full version name */
+#define XCHAL_HW_VERSION_MAJOR		2210	/* major ver# of targeted hw */
+#define XCHAL_HW_VERSION_MINOR		1	/* minor ver# of targeted hw */
+#define XCHAL_HW_VERSION		221001	/* major*100+minor */
+#define XCHAL_HW_REL_LX2		1
+#define XCHAL_HW_REL_LX2_1		1
+#define XCHAL_HW_REL_LX2_1_1		1
+#define XCHAL_HW_CONFIGID_RELIABLE	1
+/*  If software targets a *range* of hardware versions, these are the bounds: */
+#define XCHAL_HW_MIN_VERSION_MAJOR	2210	/* major v of earliest tgt hw */
+#define XCHAL_HW_MIN_VERSION_MINOR	1	/* minor v of earliest tgt hw */
+#define XCHAL_HW_MIN_VERSION		221001	/* earliest targeted hw */
+#define XCHAL_HW_MAX_VERSION_MAJOR	2210	/* major v of latest tgt hw */
+#define XCHAL_HW_MAX_VERSION_MINOR	1	/* minor v of latest tgt hw */
+#define XCHAL_HW_MAX_VERSION		221001	/* latest targeted hw */
+
+
+/*----------------------------------------------------------------------
+				CACHE
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_ICACHE_LINESIZE		32	/* I-cache line size in bytes */
+#define XCHAL_DCACHE_LINESIZE		32	/* D-cache line size in bytes */
+#define XCHAL_ICACHE_LINEWIDTH		5	/* log2(I line size in bytes) */
+#define XCHAL_DCACHE_LINEWIDTH		5	/* log2(D line size in bytes) */
+
+#define XCHAL_ICACHE_SIZE		16384	/* I-cache size in bytes or 0 */
+#define XCHAL_DCACHE_SIZE		16384	/* D-cache size in bytes or 0 */
+
+#define XCHAL_DCACHE_IS_WRITEBACK	1	/* writeback feature */
+
+
+
+
+/****************************************************************************
+    Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
+ ****************************************************************************/
+
+
+#ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
+
+/*----------------------------------------------------------------------
+				CACHE
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_PIF			1	/* any outbound PIF present */
+
+/*  If present, cache size in bytes == (ways * 2^(linewidth + setwidth)).  */
+
+/*  Number of cache sets in log2(lines per way):  */
+#define XCHAL_ICACHE_SETWIDTH		7
+#define XCHAL_DCACHE_SETWIDTH		7
+
+/*  Cache set associativity (number of ways):  */
+#define XCHAL_ICACHE_WAYS		4
+#define XCHAL_DCACHE_WAYS		4
+
+/*  Cache features:  */
+#define XCHAL_ICACHE_LINE_LOCKABLE	1
+#define XCHAL_DCACHE_LINE_LOCKABLE	1
+#define XCHAL_ICACHE_ECC_PARITY		0
+#define XCHAL_DCACHE_ECC_PARITY		0
+
+/*  Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits):  */
+#define XCHAL_CA_BITS			4
+
+
+/*----------------------------------------------------------------------
+			INTERNAL I/D RAM/ROMs and XLMI
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_NUM_INSTROM		0	/* number of core instr. ROMs */
+#define XCHAL_NUM_INSTRAM		0	/* number of core instr. RAMs */
+#define XCHAL_NUM_DATAROM		0	/* number of core data ROMs */
+#define XCHAL_NUM_DATARAM		0	/* number of core data RAMs */
+#define XCHAL_NUM_URAM			0	/* number of core unified RAMs*/
+#define XCHAL_NUM_XLMI			0	/* number of core XLMI ports */
+
+
+/*----------------------------------------------------------------------
+			INTERRUPTS and TIMERS
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_INTERRUPTS		1	/* interrupt option */
+#define XCHAL_HAVE_HIGHPRI_INTERRUPTS	1	/* med/high-pri. interrupts */
+#define XCHAL_HAVE_NMI			1	/* non-maskable interrupt */
+#define XCHAL_HAVE_CCOUNT		1	/* CCOUNT reg. (timer option) */
+#define XCHAL_NUM_TIMERS		3	/* number of CCOMPAREn regs */
+#define XCHAL_NUM_INTERRUPTS		22	/* number of interrupts */
+#define XCHAL_NUM_INTERRUPTS_LOG2	5	/* ceil(log2(NUM_INTERRUPTS)) */
+#define XCHAL_NUM_EXTINTERRUPTS		17	/* num of external interrupts */
+#define XCHAL_NUM_INTLEVELS		6	/* number of interrupt levels
+						   (not including level zero) */
+#define XCHAL_EXCM_LEVEL		3	/* level masked by PS.EXCM */
+	/* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
+
+/*  Masks of interrupts at each interrupt level:  */
+#define XCHAL_INTLEVEL1_MASK		0x001F80FF
+#define XCHAL_INTLEVEL2_MASK		0x00000100
+#define XCHAL_INTLEVEL3_MASK		0x00200E00
+#define XCHAL_INTLEVEL4_MASK		0x00001000
+#define XCHAL_INTLEVEL5_MASK		0x00002000
+#define XCHAL_INTLEVEL6_MASK		0x00000000
+#define XCHAL_INTLEVEL7_MASK		0x00004000
+
+/*  Masks of interrupts at each range 1..n of interrupt levels:  */
+#define XCHAL_INTLEVEL1_ANDBELOW_MASK	0x001F80FF
+#define XCHAL_INTLEVEL2_ANDBELOW_MASK	0x001F81FF
+#define XCHAL_INTLEVEL3_ANDBELOW_MASK	0x003F8FFF
+#define XCHAL_INTLEVEL4_ANDBELOW_MASK	0x003F9FFF
+#define XCHAL_INTLEVEL5_ANDBELOW_MASK	0x003FBFFF
+#define XCHAL_INTLEVEL6_ANDBELOW_MASK	0x003FBFFF
+#define XCHAL_INTLEVEL7_ANDBELOW_MASK	0x003FFFFF
+
+/*  Level of each interrupt:  */
+#define XCHAL_INT0_LEVEL		1
+#define XCHAL_INT1_LEVEL		1
+#define XCHAL_INT2_LEVEL		1
+#define XCHAL_INT3_LEVEL		1
+#define XCHAL_INT4_LEVEL		1
+#define XCHAL_INT5_LEVEL		1
+#define XCHAL_INT6_LEVEL		1
+#define XCHAL_INT7_LEVEL		1
+#define XCHAL_INT8_LEVEL		2
+#define XCHAL_INT9_LEVEL		3
+#define XCHAL_INT10_LEVEL		3
+#define XCHAL_INT11_LEVEL		3
+#define XCHAL_INT12_LEVEL		4
+#define XCHAL_INT13_LEVEL		5
+#define XCHAL_INT14_LEVEL		7
+#define XCHAL_INT15_LEVEL		1
+#define XCHAL_INT16_LEVEL		1
+#define XCHAL_INT17_LEVEL		1
+#define XCHAL_INT18_LEVEL		1
+#define XCHAL_INT19_LEVEL		1
+#define XCHAL_INT20_LEVEL		1
+#define XCHAL_INT21_LEVEL		3
+#define XCHAL_DEBUGLEVEL		6	/* debug interrupt level */
+#define XCHAL_HAVE_DEBUG_EXTERN_INT	1	/* OCD external db interrupt */
+#define XCHAL_NMILEVEL			7	/* NMI "level" (for use with
+						   EXCSAVE/EPS/EPC_n, RFI n) */
+
+/*  Type of each interrupt:  */
+#define XCHAL_INT0_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT1_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT2_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT3_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT4_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT5_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT6_TYPE 	XTHAL_INTTYPE_TIMER
+#define XCHAL_INT7_TYPE 	XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT8_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT9_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT10_TYPE 	XTHAL_INTTYPE_TIMER
+#define XCHAL_INT11_TYPE 	XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT12_TYPE 	XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT13_TYPE 	XTHAL_INTTYPE_TIMER
+#define XCHAL_INT14_TYPE 	XTHAL_INTTYPE_NMI
+#define XCHAL_INT15_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT16_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT17_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT18_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT19_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT20_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT21_TYPE 	XTHAL_INTTYPE_EXTERN_EDGE
+
+/*  Masks of interrupts for each type of interrupt:  */
+#define XCHAL_INTTYPE_MASK_UNCONFIGURED	0xFFC00000
+#define XCHAL_INTTYPE_MASK_SOFTWARE	0x00000880
+#define XCHAL_INTTYPE_MASK_EXTERN_EDGE	0x003F8000
+#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL	0x0000133F
+#define XCHAL_INTTYPE_MASK_TIMER	0x00002440
+#define XCHAL_INTTYPE_MASK_NMI		0x00004000
+#define XCHAL_INTTYPE_MASK_WRITE_ERROR	0x00000000
+
+/*  Interrupt numbers assigned to specific interrupt sources:  */
+#define XCHAL_TIMER0_INTERRUPT		6	/* CCOMPARE0 */
+#define XCHAL_TIMER1_INTERRUPT		10	/* CCOMPARE1 */
+#define XCHAL_TIMER2_INTERRUPT		13	/* CCOMPARE2 */
+#define XCHAL_TIMER3_INTERRUPT		XTHAL_TIMER_UNCONFIGURED
+#define XCHAL_NMI_INTERRUPT		14	/* non-maskable interrupt */
+
+/*  Interrupt numbers for levels at which only one interrupt is configured:  */
+#define XCHAL_INTLEVEL2_NUM		8
+#define XCHAL_INTLEVEL4_NUM		12
+#define XCHAL_INTLEVEL5_NUM		13
+#define XCHAL_INTLEVEL7_NUM		14
+/*  (There are many interrupts each at level(s) 1, 3.)  */
+
+
+/*
+ *  External interrupt vectors/levels.
+ *  These macros describe how Xtensa processor interrupt numbers
+ *  (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
+ *  map to external BInterrupt<n> pins, for those interrupts
+ *  configured as external (level-triggered, edge-triggered, or NMI).
+ *  See the Xtensa processor databook for more details.
+ */
+
+/*  Core interrupt numbers mapped to each EXTERNAL interrupt number:  */
+#define XCHAL_EXTINT0_NUM		0	/* (intlevel 1) */
+#define XCHAL_EXTINT1_NUM		1	/* (intlevel 1) */
+#define XCHAL_EXTINT2_NUM		2	/* (intlevel 1) */
+#define XCHAL_EXTINT3_NUM		3	/* (intlevel 1) */
+#define XCHAL_EXTINT4_NUM		4	/* (intlevel 1) */
+#define XCHAL_EXTINT5_NUM		5	/* (intlevel 1) */
+#define XCHAL_EXTINT6_NUM		8	/* (intlevel 2) */
+#define XCHAL_EXTINT7_NUM		9	/* (intlevel 3) */
+#define XCHAL_EXTINT8_NUM		12	/* (intlevel 4) */
+#define XCHAL_EXTINT9_NUM		14	/* (intlevel 7) */
+#define XCHAL_EXTINT10_NUM		15	/* (intlevel 1) */
+#define XCHAL_EXTINT11_NUM		16	/* (intlevel 1) */
+#define XCHAL_EXTINT12_NUM		17	/* (intlevel 1) */
+#define XCHAL_EXTINT13_NUM		18	/* (intlevel 1) */
+#define XCHAL_EXTINT14_NUM		19	/* (intlevel 1) */
+#define XCHAL_EXTINT15_NUM		20	/* (intlevel 1) */
+#define XCHAL_EXTINT16_NUM		21	/* (intlevel 3) */
+
+
+/*----------------------------------------------------------------------
+			EXCEPTIONS and VECTORS
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_XEA_VERSION		2	/* Xtensa Exception Architecture
+						   number: 1 == XEA1 (old)
+							   2 == XEA2 (new)
+							   0 == XEAX (extern) */
+#define XCHAL_HAVE_XEA1			0	/* Exception Architecture 1 */
+#define XCHAL_HAVE_XEA2			1	/* Exception Architecture 2 */
+#define XCHAL_HAVE_XEAX			0	/* External Exception Arch. */
+#define XCHAL_HAVE_EXCEPTIONS		1	/* exception option */
+#define XCHAL_HAVE_MEM_ECC_PARITY	0	/* local memory ECC/parity */
+#define XCHAL_HAVE_VECTOR_SELECT	1	/* relocatable vectors */
+#define XCHAL_HAVE_VECBASE		1	/* relocatable vectors */
+#define XCHAL_VECBASE_RESET_VADDR	0xD0000000  /* VECBASE reset value */
+#define XCHAL_VECBASE_RESET_PADDR	0x00000000
+#define XCHAL_RESET_VECBASE_OVERLAP	0
+
+#define XCHAL_RESET_VECTOR0_VADDR	0xFE000000
+#define XCHAL_RESET_VECTOR0_PADDR	0xFE000000
+#define XCHAL_RESET_VECTOR1_VADDR	0xD8000500
+#define XCHAL_RESET_VECTOR1_PADDR	0x00000500
+#define XCHAL_RESET_VECTOR_VADDR	0xFE000000
+#define XCHAL_RESET_VECTOR_PADDR	0xFE000000
+#define XCHAL_USER_VECOFS		0x00000340
+#define XCHAL_USER_VECTOR_VADDR		0xD0000340
+#define XCHAL_USER_VECTOR_PADDR		0x00000340
+#define XCHAL_KERNEL_VECOFS		0x00000300
+#define XCHAL_KERNEL_VECTOR_VADDR	0xD0000300
+#define XCHAL_KERNEL_VECTOR_PADDR	0x00000300
+#define XCHAL_DOUBLEEXC_VECOFS		0x000003C0
+#define XCHAL_DOUBLEEXC_VECTOR_VADDR	0xD00003C0
+#define XCHAL_DOUBLEEXC_VECTOR_PADDR	0x000003C0
+#define XCHAL_WINDOW_OF4_VECOFS		0x00000000
+#define XCHAL_WINDOW_UF4_VECOFS		0x00000040
+#define XCHAL_WINDOW_OF8_VECOFS		0x00000080
+#define XCHAL_WINDOW_UF8_VECOFS		0x000000C0
+#define XCHAL_WINDOW_OF12_VECOFS	0x00000100
+#define XCHAL_WINDOW_UF12_VECOFS	0x00000140
+#define XCHAL_WINDOW_VECTORS_VADDR	0xD0000000
+#define XCHAL_WINDOW_VECTORS_PADDR	0x00000000
+#define XCHAL_INTLEVEL2_VECOFS		0x00000180
+#define XCHAL_INTLEVEL2_VECTOR_VADDR	0xD0000180
+#define XCHAL_INTLEVEL2_VECTOR_PADDR	0x00000180
+#define XCHAL_INTLEVEL3_VECOFS		0x000001C0
+#define XCHAL_INTLEVEL3_VECTOR_VADDR	0xD00001C0
+#define XCHAL_INTLEVEL3_VECTOR_PADDR	0x000001C0
+#define XCHAL_INTLEVEL4_VECOFS		0x00000200
+#define XCHAL_INTLEVEL4_VECTOR_VADDR	0xD0000200
+#define XCHAL_INTLEVEL4_VECTOR_PADDR	0x00000200
+#define XCHAL_INTLEVEL5_VECOFS		0x00000240
+#define XCHAL_INTLEVEL5_VECTOR_VADDR	0xD0000240
+#define XCHAL_INTLEVEL5_VECTOR_PADDR	0x00000240
+#define XCHAL_INTLEVEL6_VECOFS		0x00000280
+#define XCHAL_INTLEVEL6_VECTOR_VADDR	0xD0000280
+#define XCHAL_INTLEVEL6_VECTOR_PADDR	0x00000280
+#define XCHAL_DEBUG_VECOFS		XCHAL_INTLEVEL6_VECOFS
+#define XCHAL_DEBUG_VECTOR_VADDR	XCHAL_INTLEVEL6_VECTOR_VADDR
+#define XCHAL_DEBUG_VECTOR_PADDR	XCHAL_INTLEVEL6_VECTOR_PADDR
+#define XCHAL_NMI_VECOFS		0x000002C0
+#define XCHAL_NMI_VECTOR_VADDR		0xD00002C0
+#define XCHAL_NMI_VECTOR_PADDR		0x000002C0
+#define XCHAL_INTLEVEL7_VECOFS		XCHAL_NMI_VECOFS
+#define XCHAL_INTLEVEL7_VECTOR_VADDR	XCHAL_NMI_VECTOR_VADDR
+#define XCHAL_INTLEVEL7_VECTOR_PADDR	XCHAL_NMI_VECTOR_PADDR
+
+
+/*----------------------------------------------------------------------
+				DEBUG
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_OCD			1	/* OnChipDebug option */
+#define XCHAL_NUM_IBREAK		2	/* number of IBREAKn regs */
+#define XCHAL_NUM_DBREAK		2	/* number of DBREAKn regs */
+#define XCHAL_HAVE_OCD_DIR_ARRAY	1	/* faster OCD option */
+
+
+/*----------------------------------------------------------------------
+				MMU
+  ----------------------------------------------------------------------*/
+
+/*  See core-matmap.h header file for more details.  */
+
+#define XCHAL_HAVE_TLBS			1	/* inverse of HAVE_CACHEATTR */
+#define XCHAL_HAVE_SPANNING_WAY		0	/* one way maps I+D 4GB vaddr */
+#define XCHAL_HAVE_IDENTITY_MAP		0	/* vaddr == paddr always */
+#define XCHAL_HAVE_CACHEATTR		0	/* CACHEATTR register present */
+#define XCHAL_HAVE_MIMIC_CACHEATTR	0	/* region protection */
+#define XCHAL_HAVE_XLT_CACHEATTR	0	/* region prot. w/translation */
+#define XCHAL_HAVE_PTP_MMU		1	/* full MMU (with page table
+						   [autorefill] and protection)
+						   usable for an MMU-based OS */
+/*  If none of the above last 4 are set, it's a custom TLB configuration.  */
+#define XCHAL_ITLB_ARF_ENTRIES_LOG2	2	/* log2(autorefill way size) */
+#define XCHAL_DTLB_ARF_ENTRIES_LOG2	2	/* log2(autorefill way size) */
+
+#define XCHAL_MMU_ASID_BITS		8	/* number of bits in ASIDs */
+#define XCHAL_MMU_RINGS			4	/* number of rings (1..4) */
+#define XCHAL_MMU_RING_BITS		2	/* num of bits in RING field */
+
+#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
+
+
+#endif /* _XTENSA_CORE_CONFIGURATION_H */
+
diff --git a/include/asm-xtensa/variant-dc232b/tie-asm.h b/include/asm-xtensa/variant-dc232b/tie-asm.h
new file mode 100644
index 00000000000..ed4f53f529d
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/tie-asm.h
@@ -0,0 +1,122 @@
+/*
+ * This header file contains assembly-language definitions (assembly
+ * macros, etc.) for this specific Xtensa processor's TIE extensions
+ * and options.  It is customized to this Xtensa processor configuration.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999-2007 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_TIE_ASM_H
+#define _XTENSA_CORE_TIE_ASM_H
+
+/*  Selection parameter values for save-area save/restore macros:  */
+/*  Option vs. TIE:  */
+#define XTHAL_SAS_TIE	0x0001	/* custom extension or coprocessor */
+#define XTHAL_SAS_OPT	0x0002	/* optional (and not a coprocessor) */
+/*  Whether used automatically by compiler:  */
+#define XTHAL_SAS_NOCC	0x0004	/* not used by compiler w/o special opts/code */
+#define XTHAL_SAS_CC	0x0008	/* used by compiler without special opts/code */
+/*  ABI handling across function calls:  */
+#define XTHAL_SAS_CALR	0x0010	/* caller-saved */
+#define XTHAL_SAS_CALE	0x0020	/* callee-saved */
+#define XTHAL_SAS_GLOB	0x0040	/* global across function calls (in thread) */
+/*  Misc  */
+#define XTHAL_SAS_ALL	0xFFFF	/* include all default NCP contents */
+
+
+
+/* Macro to save all non-coprocessor (extra) custom TIE and optional state
+ * (not including zero-overhead loop registers).
+ * Save area ptr (clobbered):  ptr  (1 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_NCP_NUM_ATMPS needed)
+ */
+	.macro xchal_ncp_store  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start	\continue, \ofs
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-8, 4, 4
+	rsr	\at1, ACCLO		// MAC16 accumulator
+	rsr	\at2, ACCHI
+	s32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	s32i	\at2, \ptr, .Lxchal_ofs_ + 4
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 8
+	.endif
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-16, 4, 4
+	rsr	\at1, M0		// MAC16 registers
+	rsr	\at2, M1
+	s32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	s32i	\at2, \ptr, .Lxchal_ofs_ + 4
+	rsr	\at1, M2
+	rsr	\at2, M3
+	s32i	\at1, \ptr, .Lxchal_ofs_ + 8
+	s32i	\at2, \ptr, .Lxchal_ofs_ + 12
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 16
+	.endif
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-4, 4, 4
+	rsr	\at1, SCOMPARE1		// conditional store option
+	s32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 4
+	.endif
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-4, 4, 4
+	rur	\at1, THREADPTR		// threadptr option
+	s32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 4
+	.endif
+	.endm	// xchal_ncp_store
+
+/* Macro to save all non-coprocessor (extra) custom TIE and optional state
+ * (not including zero-overhead loop registers).
+ * Save area ptr (clobbered):  ptr  (1 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_NCP_NUM_ATMPS needed)
+ */
+	.macro xchal_ncp_load  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+	xchal_sa_start	\continue, \ofs
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-8, 4, 4
+	l32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	l32i	\at2, \ptr, .Lxchal_ofs_ + 4
+	wsr	\at1, ACCLO		// MAC16 accumulator
+	wsr	\at2, ACCHI
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 8
+	.endif
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-16, 4, 4
+	l32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	l32i	\at2, \ptr, .Lxchal_ofs_ + 4
+	wsr	\at1, M0		// MAC16 registers
+	wsr	\at2, M1
+	l32i	\at1, \ptr, .Lxchal_ofs_ + 8
+	l32i	\at2, \ptr, .Lxchal_ofs_ + 12
+	wsr	\at1, M2
+	wsr	\at2, M3
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 16
+	.endif
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-4, 4, 4
+	l32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	wsr	\at1, SCOMPARE1		// conditional store option
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 4
+	.endif
+	.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select
+	xchal_sa_align	\ptr, 0, 1024-4, 4, 4
+	l32i	\at1, \ptr, .Lxchal_ofs_ + 0
+	wur	\at1, THREADPTR		// threadptr option
+	.set	.Lxchal_ofs_, .Lxchal_ofs_ + 4
+	.endif
+	.endm	// xchal_ncp_load
+
+
+
+#define XCHAL_NCP_NUM_ATMPS	2
+
+
+#define XCHAL_SA_NUM_ATMPS	2
+
+#endif /*_XTENSA_CORE_TIE_ASM_H*/
+
diff --git a/include/asm-xtensa/variant-dc232b/tie.h b/include/asm-xtensa/variant-dc232b/tie.h
new file mode 100644
index 00000000000..018e81af439
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/tie.h
@@ -0,0 +1,131 @@
+/*
+ * This header file describes this specific Xtensa processor's TIE extensions
+ * that extend basic Xtensa core functionality.  It is customized to this
+ * Xtensa processor configuration.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999-2007 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_TIE_H
+#define _XTENSA_CORE_TIE_H
+
+#define XCHAL_CP_NUM			1	/* number of coprocessors */
+#define XCHAL_CP_MAX			8	/* max CP ID + 1 (0 if none) */
+#define XCHAL_CP_MASK			0x80	/* bitmask of all CPs by ID */
+#define XCHAL_CP_PORT_MASK		0x80	/* bitmask of only port CPs */
+
+/*  Basic parameters of each coprocessor:  */
+#define XCHAL_CP7_NAME			"XTIOP"
+#define XCHAL_CP7_IDENT			XTIOP
+#define XCHAL_CP7_SA_SIZE		0	/* size of state save area */
+#define XCHAL_CP7_SA_ALIGN		1	/* min alignment of save area */
+#define XCHAL_CP_ID_XTIOP		7	/* coprocessor ID (0..7) */
+
+/*  Filler info for unassigned coprocessors, to simplify arrays etc:  */
+#define XCHAL_CP0_SA_SIZE		0
+#define XCHAL_CP0_SA_ALIGN		1
+#define XCHAL_CP1_SA_SIZE		0
+#define XCHAL_CP1_SA_ALIGN		1
+#define XCHAL_CP2_SA_SIZE		0
+#define XCHAL_CP2_SA_ALIGN		1
+#define XCHAL_CP3_SA_SIZE		0
+#define XCHAL_CP3_SA_ALIGN		1
+#define XCHAL_CP4_SA_SIZE		0
+#define XCHAL_CP4_SA_ALIGN		1
+#define XCHAL_CP5_SA_SIZE		0
+#define XCHAL_CP5_SA_ALIGN		1
+#define XCHAL_CP6_SA_SIZE		0
+#define XCHAL_CP6_SA_ALIGN		1
+
+/*  Save area for non-coprocessor optional and custom (TIE) state:  */
+#define XCHAL_NCP_SA_SIZE		32
+#define XCHAL_NCP_SA_ALIGN		4
+
+/*  Total save area for optional and custom state (NCP + CPn):  */
+#define XCHAL_TOTAL_SA_SIZE		32	/* with 16-byte align padding */
+#define XCHAL_TOTAL_SA_ALIGN		4	/* actual minimum alignment */
+
+/*
+ * Detailed contents of save areas.
+ * NOTE:  caller must define the XCHAL_SA_REG macro (not defined here)
+ * before expanding the XCHAL_xxx_SA_LIST() macros.
+ *
+ * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize,
+ *		dbnum,base,regnum,bitsz,gapsz,reset,x...)
+ *
+ *	s = passed from XCHAL_*_LIST(s), eg. to select how to expand
+ *	ccused = set if used by compiler without special options or code
+ *	abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global)
+ *	kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg)
+ *	opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg)
+ *	name = lowercase reg name (no quotes)
+ *	galign = group byte alignment (power of 2) (galign >= align)
+ *	align = register byte alignment (power of 2)
+ *	asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz)
+ *	  (not including any pad bytes required to galign this or next reg)
+ *	dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>)
+ *	base = reg shortname w/o index (or sr=special, ur=TIE user reg)
+ *	regnum = reg index in regfile, or special/TIE-user reg number
+ *	bitsz = number of significant bits (regfile width, or ur/sr mask bits)
+ *	gapsz = intervening bits, if bitsz bits not stored contiguously
+ *	(padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize)
+ *	reset = register reset value (or 0 if undefined at reset)
+ *	x = reserved for future use (0 until then)
+ *
+ *  To filter out certain registers, e.g. to expand only the non-global
+ *  registers used by the compiler, you can do something like this:
+ *
+ *  #define XCHAL_SA_REG(s,ccused,p...)	SELCC##ccused(p)
+ *  #define SELCC0(p...)
+ *  #define SELCC1(abikind,p...)	SELAK##abikind(p)
+ *  #define SELAK0(p...)		REG(p)
+ *  #define SELAK1(p...)		REG(p)
+ *  #define SELAK2(p...)
+ *  #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \
+ *		...what you want to expand...
+ */
+
+#define XCHAL_NCP_SA_NUM	8
+#define XCHAL_NCP_SA_LIST(s)	\
+ XCHAL_SA_REG(s,1,0,0,1,          acclo, 4, 4, 4,0x0210,  sr,16 , 32,0,0,0) \
+ XCHAL_SA_REG(s,1,0,0,1,          acchi, 4, 4, 4,0x0211,  sr,17 ,  8,0,0,0) \
+ XCHAL_SA_REG(s,0,0,0,1,             m0, 4, 4, 4,0x0220,  sr,32 , 32,0,0,0) \
+ XCHAL_SA_REG(s,0,0,0,1,             m1, 4, 4, 4,0x0221,  sr,33 , 32,0,0,0) \
+ XCHAL_SA_REG(s,0,0,0,1,             m2, 4, 4, 4,0x0222,  sr,34 , 32,0,0,0) \
+ XCHAL_SA_REG(s,0,0,0,1,             m3, 4, 4, 4,0x0223,  sr,35 , 32,0,0,0) \
+ XCHAL_SA_REG(s,0,0,0,1,      scompare1, 4, 4, 4,0x020C,  sr,12 , 32,0,0,0) \
+ XCHAL_SA_REG(s,1,2,1,1,      threadptr, 4, 4, 4,0x03E7,  ur,231, 32,0,0,0)
+
+#define XCHAL_CP0_SA_NUM	0
+#define XCHAL_CP0_SA_LIST(s)	/* empty */
+
+#define XCHAL_CP1_SA_NUM	0
+#define XCHAL_CP1_SA_LIST(s)	/* empty */
+
+#define XCHAL_CP2_SA_NUM	0
+#define XCHAL_CP2_SA_LIST(s)	/* empty */
+
+#define XCHAL_CP3_SA_NUM	0
+#define XCHAL_CP3_SA_LIST(s)	/* empty */
+
+#define XCHAL_CP4_SA_NUM	0
+#define XCHAL_CP4_SA_LIST(s)	/* empty */
+
+#define XCHAL_CP5_SA_NUM	0
+#define XCHAL_CP5_SA_LIST(s)	/* empty */
+
+#define XCHAL_CP6_SA_NUM	0
+#define XCHAL_CP6_SA_LIST(s)	/* empty */
+
+#define XCHAL_CP7_SA_NUM	0
+#define XCHAL_CP7_SA_LIST(s)	/* empty */
+
+/* Byte length of instruction from its first nibble (op0 field), per FLIX.  */
+#define XCHAL_OP0_FORMAT_LENGTHS	3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3
+
+#endif /*_XTENSA_CORE_TIE_H*/
+
-- 
GitLab


From ff086575b7fbfcf48c1e2bc6f8914cbfc2c4ea37 Mon Sep 17 00:00:00 2001
From: Andy Walls <awalls@radix.net>
Date: Sat, 18 Oct 2008 08:51:28 -0300
Subject: [PATCH 1696/2224] V4L/DVB (9297): cx18: Fix memory leak on card
 initialization failure

On error exit, the cx18_probe() function did not use the proper entry in
cx18_cards[] with kfree() when card init failed; leaking memory.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx18/cx18-driver.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 085121c2b47..ef60f561d95 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -613,6 +613,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
 				const struct pci_device_id *pci_id)
 {
 	int retval = 0;
+	int i;
 	int vbi_buf_size;
 	u32 devtype;
 	struct cx18 *cx;
@@ -836,8 +837,11 @@ err:
 	CX18_ERR("Error %d on initialization\n", retval);
 	cx18_log_statistics(cx);
 
-	kfree(cx18_cards[cx18_cards_active]);
-	cx18_cards[cx18_cards_active] = NULL;
+	i = cx->num;
+	spin_lock(&cx18_cards_lock);
+	kfree(cx18_cards[i]);
+	cx18_cards[i] = NULL;
+	spin_unlock(&cx18_cards_lock);
 	return retval;
 }
 
-- 
GitLab


From 06869713de3e6380b2f24d9eac30426b4e471375 Mon Sep 17 00:00:00 2001
From: Andy Walls <awalls@radix.net>
Date: Sat, 18 Oct 2008 09:00:26 -0300
Subject: [PATCH 1697/2224] V4L/DVB (9298): cx18: Add __iomem address space
 qualifier to cx18_log_*_retries() argument

cx18: Add __iomem address space qualifier to cx18_log_*_retries() addr
argument to clean up sparse build warnings.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx18/cx18-io.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/video/cx18/cx18-io.h b/drivers/media/video/cx18/cx18-io.h
index 197d4fbd9f9..287a5e8bf67 100644
--- a/drivers/media/video/cx18/cx18-io.h
+++ b/drivers/media/video/cx18/cx18-io.h
@@ -39,7 +39,7 @@ static inline void cx18_io_delay(struct cx18 *cx)
 
 /* Statistics gathering */
 static inline
-void cx18_log_write_retries(struct cx18 *cx, int i, const void *addr)
+void cx18_log_write_retries(struct cx18 *cx, int i, const void __iomem *addr)
 {
 	if (i > CX18_MAX_MMIO_RETRIES)
 		i = CX18_MAX_MMIO_RETRIES;
@@ -48,7 +48,7 @@ void cx18_log_write_retries(struct cx18 *cx, int i, const void *addr)
 }
 
 static inline
-void cx18_log_read_retries(struct cx18 *cx, int i, const void *addr)
+void cx18_log_read_retries(struct cx18 *cx, int i, const void __iomem *addr)
 {
 	if (i > CX18_MAX_MMIO_RETRIES)
 		i = CX18_MAX_MMIO_RETRIES;
-- 
GitLab


From 9b4a7c8a83899ef7742f63c0e9a8a28cbff2c29a Mon Sep 17 00:00:00 2001
From: Andy Walls <awalls@radix.net>
Date: Sat, 18 Oct 2008 10:20:25 -0300
Subject: [PATCH 1698/2224] V4L/DVB (9299): cx18: Don't mask many real init
 error codes by mapping them to ENOMEM

Changes to let error return codes bubble up to the user visible
error message on card initialization.  A number of them were being remapped to
ENOMEM when no memory or array resource shortage existed.  That hampered
diagnosis of user trouble reports.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx18/cx18-driver.c  |  3 ++-
 drivers/media/video/cx18/cx18-streams.c | 36 +++++++++++++++----------
 2 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index ef60f561d95..7a1a7830a6b 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -699,7 +699,8 @@ static int __devinit cx18_probe(struct pci_dev *dev,
 
 	/* active i2c  */
 	CX18_DEBUG_INFO("activating i2c...\n");
-	if (init_cx18_i2c(cx)) {
+	retval = init_cx18_i2c(cx);
+	if (retval) {
 		CX18_ERR("Could not initialize i2c\n");
 		goto free_map;
 	}
diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c
index 0c8e7542cf6..e5ff7705b7a 100644
--- a/drivers/media/video/cx18/cx18-streams.c
+++ b/drivers/media/video/cx18/cx18-streams.c
@@ -200,16 +200,18 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
 /* Initialize v4l2 variables and register v4l2 devices */
 int cx18_streams_setup(struct cx18 *cx)
 {
-	int type;
+	int type, ret;
 
 	/* Setup V4L2 Devices */
 	for (type = 0; type < CX18_MAX_STREAMS; type++) {
 		/* Prepare device */
-		if (cx18_prep_dev(cx, type))
+		ret = cx18_prep_dev(cx, type);
+		if (ret < 0)
 			break;
 
 		/* Allocate Stream */
-		if (cx18_stream_alloc(&cx->streams[type]))
+		ret = cx18_stream_alloc(&cx->streams[type]);
+		if (ret < 0)
 			break;
 	}
 	if (type == CX18_MAX_STREAMS)
@@ -217,14 +219,14 @@ int cx18_streams_setup(struct cx18 *cx)
 
 	/* One or more streams could not be initialized. Clean 'em all up. */
 	cx18_streams_cleanup(cx, 0);
-	return -ENOMEM;
+	return ret;
 }
 
 static int cx18_reg_dev(struct cx18 *cx, int type)
 {
 	struct cx18_stream *s = &cx->streams[type];
 	int vfl_type = cx18_stream_info[type].vfl_type;
-	int num;
+	int num, ret;
 
 	/* TODO: Shouldn't this be a VFL_TYPE_TRANSPORT or something?
 	 * We need a VFL_TYPE_TS defined.
@@ -233,9 +235,10 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
 		/* just return if no DVB is supported */
 		if ((cx->card->hw_all & CX18_HW_DVB) == 0)
 			return 0;
-		if (cx18_dvb_register(s) < 0) {
+		ret = cx18_dvb_register(s);
+		if (ret < 0) {
 			CX18_ERR("DVB failed to register\n");
-			return -EINVAL;
+			return ret;
 		}
 	}
 
@@ -252,12 +255,13 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
 	}
 
 	/* Register device. First try the desired minor, then any free one. */
-	if (video_register_device(s->v4l2dev, vfl_type, num)) {
+	ret = video_register_device(s->v4l2dev, vfl_type, num);
+	if (ret < 0) {
 		CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n",
 			s->name, num);
 		video_device_release(s->v4l2dev);
 		s->v4l2dev = NULL;
-		return -ENOMEM;
+		return ret;
 	}
 	num = s->v4l2dev->num;
 
@@ -290,18 +294,22 @@ static int cx18_reg_dev(struct cx18 *cx, int type)
 int cx18_streams_register(struct cx18 *cx)
 {
 	int type;
-	int err = 0;
+	int err;
+	int ret = 0;
 
 	/* Register V4L2 devices */
-	for (type = 0; type < CX18_MAX_STREAMS; type++)
-		err |= cx18_reg_dev(cx, type);
+	for (type = 0; type < CX18_MAX_STREAMS; type++) {
+		err = cx18_reg_dev(cx, type);
+		if (err && ret == 0)
+			ret = err;
+	}
 
-	if (err == 0)
+	if (ret == 0)
 		return 0;
 
 	/* One or more streams could not be initialized. Clean 'em all up. */
 	cx18_streams_cleanup(cx, 1);
-	return -ENOMEM;
+	return ret;
 }
 
 /* Unregister v4l2 devices */
-- 
GitLab


From c82732a42896364296599b0f73f01c5e3fd781ae Mon Sep 17 00:00:00 2001
From: Mike Isely <isely@pobox.com>
Date: Sun, 19 Oct 2008 16:26:05 -0300
Subject: [PATCH 1699/2224] V4L/DVB (9300): pvrusb2: Fix deadlock problem

Fix deadlock problem in 2.6.27 caused by new USB core behavior in
response to a USB device reset request.  With older kernels, the USB
device reset was "in line"; the reset simply took place and the driver
retained its association with the hardware.  However now this reset
triggers a disconnect, and worse still the disconnect callback happens
in the context of the caller who asked for the device reset.  This
results in an attempt by the pvrusb2 driver to recursively take a
mutex it already has, which deadlocks the driver's worker thread.
(Even if the disconnect callback were to happen on a different thread
we'd still have problems however - because while the driver should
survive and correctly disconnect / reconnect, it will then trigger
another device reset during the repeated initialization, which will
then cause another disconect, etc, forever.)  The fix here is simply
to not attempt the device reset (it was of marginal value anyway).

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/pvrusb2/pvrusb2-hdw.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 94265bd3d92..5b81ba46964 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -60,7 +60,6 @@ static struct pvr2_hdw *unit_pointers[PVR_NUM] = {[ 0 ... PVR_NUM-1 ] = NULL};
 static DEFINE_MUTEX(pvr2_unit_mtx);
 
 static int ctlchg;
-static int initusbreset = 1;
 static int procreload;
 static int tuner[PVR_NUM] = { [0 ... PVR_NUM-1] = -1 };
 static int tolerance[PVR_NUM] = { [0 ... PVR_NUM-1] = 0 };
@@ -71,8 +70,6 @@ module_param(ctlchg, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(ctlchg, "0=optimize ctl change 1=always accept new ctl value");
 module_param(init_pause_msec, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(init_pause_msec, "hardware initialization settling delay");
-module_param(initusbreset, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(initusbreset, "Do USB reset device on probe");
 module_param(procreload, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(procreload,
 		 "Attempt init failure recovery with firmware reload");
@@ -1967,9 +1964,6 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
 	}
 	hdw->fw1_state = FW1_STATE_OK;
 
-	if (initusbreset) {
-		pvr2_hdw_device_reset(hdw);
-	}
 	if (!pvr2_hdw_dev_ok(hdw)) return;
 
 	for (idx = 0; idx < hdw->hdw_desc->client_modules.cnt; idx++) {
-- 
GitLab


From 3f93d1adca658201c64251c43a147cc79d468c3f Mon Sep 17 00:00:00 2001
From: Boris Dores <babal@via.ecp.fr>
Date: Sun, 19 Oct 2008 17:00:30 -0300
Subject: [PATCH 1700/2224] V4L/DVB (9301): pvrusb2: Keep MPEG PTSs from
 drifting away

(Mike Isely) This change was empirically figured out by Boris Dores
after empirically comparing against behavior in the Windows driver.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/pvrusb2/pvrusb2-encoder.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/media/video/pvrusb2/pvrusb2-encoder.c b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
index a1252d673b4..273d2a1aa22 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-encoder.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
@@ -402,6 +402,10 @@ static int pvr2_encoder_prep_config(struct pvr2_hdw *hdw)
 	ret |= pvr2_encoder_vcmd(hdw, CX2341X_ENC_MISC,4, 0,3,0,0);
 	ret |= pvr2_encoder_vcmd(hdw, CX2341X_ENC_MISC,4,15,0,0,0);
 
+	/* prevent the PTSs from slowly drifting away in the generated
+	   MPEG stream */
+	ret |= pvr2_encoder_vcmd(hdw, CX2341X_ENC_MISC, 2, 4, 1);
+
 	return ret;
 }
 
-- 
GitLab


From 448441cf2f97da478c51852fac153ae6bb3430d8 Mon Sep 17 00:00:00 2001
From: Alexey Klimov <klimov.linux@gmail.com>
Date: Sun, 19 Oct 2008 23:20:47 -0300
Subject: [PATCH 1701/2224] V4L/DVB (9303): dsbr100: Correct bus_info string

Replaced bus_info string from ISA to USB

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/dsbr100.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index 78f56944e64..8ddc8bfcb2c 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -265,7 +265,7 @@ static int vidioc_querycap(struct file *file, void *priv,
 {
 	strlcpy(v->driver, "dsbr100", sizeof(v->driver));
 	strlcpy(v->card, "D-Link R-100 USB FM Radio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	sprintf(v->bus_info, "USB");
 	v->version = RADIO_VERSION;
 	v->capabilities = V4L2_CAP_TUNER;
 	return 0;
-- 
GitLab


From 223377e76d68c8015f1c809d3c831423de7b1fb6 Mon Sep 17 00:00:00 2001
From: Alexey Klimov <klimov.linux@gmail.com>
Date: Sun, 19 Oct 2008 23:50:27 -0300
Subject: [PATCH 1702/2224] V4L/DVB (9304): dsbr100: CodingStyle issue

Fixed few coding style issues in dsbr100

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/dsbr100.c | 52 +++++++++++++++++++----------------
 1 file changed, 29 insertions(+), 23 deletions(-)

diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index 8ddc8bfcb2c..e88c58ea1b7 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -171,11 +171,11 @@ static int dsbr100_start(struct dsbr100_device *radio)
 	if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 			USB_REQ_GET_STATUS,
 			USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			0x00, 0xC7, radio->transfer_buffer, 8, 300)<0 ||
+			0x00, 0xC7, radio->transfer_buffer, 8, 300) < 0 ||
 	usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 			DSB100_ONOFF,
 			USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			0x01, 0x00, radio->transfer_buffer, 8, 300)<0)
+			0x01, 0x00, radio->transfer_buffer, 8, 300) < 0)
 		return -1;
 	radio->muted=0;
 	return (radio->transfer_buffer)[0];
@@ -188,11 +188,11 @@ static int dsbr100_stop(struct dsbr100_device *radio)
 	if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 			USB_REQ_GET_STATUS,
 			USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			0x16, 0x1C, radio->transfer_buffer, 8, 300)<0 ||
+			0x16, 0x1C, radio->transfer_buffer, 8, 300) < 0 ||
 	usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 			DSB100_ONOFF,
 			USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			0x00, 0x00, radio->transfer_buffer, 8, 300)<0)
+			0x00, 0x00, radio->transfer_buffer, 8, 300) < 0)
 		return -1;
 	radio->muted=1;
 	return (radio->transfer_buffer)[0];
@@ -201,24 +201,24 @@ static int dsbr100_stop(struct dsbr100_device *radio)
 /* set a frequency, freq is defined by v4l's TUNER_LOW, i.e. 1/16th kHz */
 static int dsbr100_setfreq(struct dsbr100_device *radio, int freq)
 {
-	freq = (freq/16*80)/1000+856;
+	freq = (freq / 16 * 80) / 1000 + 856;
 	if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 			DSB100_TUNE,
 			USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			(freq>>8)&0x00ff, freq&0xff,
-			radio->transfer_buffer, 8, 300)<0 ||
+			(freq >> 8) & 0x00ff, freq & 0xff,
+			radio->transfer_buffer, 8, 300) < 0 ||
 	   usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 			USB_REQ_GET_STATUS,
 			USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-			0x96, 0xB7, radio->transfer_buffer, 8, 300)<0 ||
+			0x96, 0xB7, radio->transfer_buffer, 8, 300) < 0 ||
 	usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 			USB_REQ_GET_STATUS,
 			USB_TYPE_VENDOR | USB_RECIP_DEVICE |  USB_DIR_IN,
-			0x00, 0x24, radio->transfer_buffer, 8, 300)<0) {
+			0x00, 0x24, radio->transfer_buffer, 8, 300) < 0) {
 		radio->stereo = -1;
 		return -1;
 	}
-	radio->stereo = ! ((radio->transfer_buffer)[0]&0x01);
+	radio->stereo = !((radio->transfer_buffer)[0] & 0x01);
 	return (radio->transfer_buffer)[0];
 }
 
@@ -229,10 +229,10 @@ static void dsbr100_getstat(struct dsbr100_device *radio)
 	if (usb_control_msg(radio->usbdev, usb_rcvctrlpipe(radio->usbdev, 0),
 		USB_REQ_GET_STATUS,
 		USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
-		0x00 , 0x24, radio->transfer_buffer, 8, 300)<0)
+		0x00 , 0x24, radio->transfer_buffer, 8, 300) < 0)
 		radio->stereo = -1;
 	else
-		radio->stereo = ! (radio->transfer_buffer[0]&0x01);
+		radio->stereo = !(radio->transfer_buffer[0] & 0x01);
 }
 
 
@@ -282,9 +282,9 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 	dsbr100_getstat(radio);
 	strcpy(v->name, "FM");
 	v->type = V4L2_TUNER_RADIO;
-	v->rangelow = FREQ_MIN*FREQ_MUL;
-	v->rangehigh = FREQ_MAX*FREQ_MUL;
-	v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+	v->rangelow = FREQ_MIN * FREQ_MUL;
+	v->rangehigh = FREQ_MAX * FREQ_MUL;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 	v->capability = V4L2_TUNER_CAP_LOW;
 	if(radio->stereo)
 		v->audmode = V4L2_TUNER_MODE_STEREO;
@@ -309,7 +309,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 	struct dsbr100_device *radio = video_drvdata(file);
 
 	radio->curfreq = f->frequency;
-	if (dsbr100_setfreq(radio, radio->curfreq)==-1)
+	if (dsbr100_setfreq(radio, radio->curfreq) == -1)
 		dev_warn(&radio->usbdev->dev, "Set frequency failed\n");
 	return 0;
 }
@@ -331,8 +331,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 
 	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
 		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
+			memcpy(qc, &(radio_qctrl[i]), sizeof(*qc));
 			return 0;
 		}
 	}
@@ -417,7 +416,7 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
 	radio->users = 1;
 	radio->muted = 1;
 
-	if (dsbr100_start(radio)<0) {
+	if (dsbr100_start(radio) < 0) {
 		dev_warn(&radio->usbdev->dev,
 			 "Radio did not start up properly\n");
 		radio->users = 0;
@@ -485,13 +484,20 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
 {
 	struct dsbr100_device *radio;
 
-	if (!(radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL)))
+	radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL);
+
+	if (!radio)
 		return -ENOMEM;
-	if (!(radio->transfer_buffer = kmalloc(TB_LEN, GFP_KERNEL))) {
+
+	radio->transfer_buffer = kmalloc(TB_LEN, GFP_KERNEL);
+
+	if (!(radio->transfer_buffer)) {
 		kfree(radio);
 		return -ENOMEM;
 	}
-	if (!(radio->videodev = video_device_alloc())) {
+	radio->videodev = video_device_alloc();
+
+	if (!(radio->videodev)) {
 		kfree(radio->transfer_buffer);
 		kfree(radio);
 		return -ENOMEM;
@@ -501,7 +507,7 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
 	radio->removed = 0;
 	radio->users = 0;
 	radio->usbdev = interface_to_usbdev(intf);
-	radio->curfreq = FREQ_MIN*FREQ_MUL;
+	radio->curfreq = FREQ_MIN * FREQ_MUL;
 	video_set_drvdata(radio->videodev, radio);
 	if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr) < 0) {
 		dev_warn(&intf->dev, "Could not register video device\n");
-- 
GitLab


From 0fabb78332aee7d5dd4a0a31228b9266de71182f Mon Sep 17 00:00:00 2001
From: Alexey Klimov <klimov.linux@gmail.com>
Date: Sun, 19 Oct 2008 23:56:23 -0300
Subject: [PATCH 1703/2224] V4L/DVB (9305): radio-mr800: Add BKL for
 usb_amradio_open()

Added BKL for usb_amradio_open()

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/radio-mr800.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index a33717c4800..256cbeffdcb 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -469,16 +469,21 @@ static int usb_amradio_open(struct inode *inode, struct file *file)
 {
 	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
 
+	lock_kernel();
+
 	radio->users = 1;
 	radio->muted = 1;
 
 	if (amradio_start(radio) < 0) {
 		warn("Radio did not start up properly");
 		radio->users = 0;
+		unlock_kernel();
 		return -EIO;
 	}
 	if (amradio_setfreq(radio, radio->curfreq) < 0)
 		warn("Set frequency failed");
+
+	unlock_kernel();
 	return 0;
 }
 
-- 
GitLab


From b9f3573731e63116712eb5ea28bd6ded09232afa Mon Sep 17 00:00:00 2001
From: Alexey Klimov <klimov.linux@gmail.com>
Date: Mon, 20 Oct 2008 00:00:03 -0300
Subject: [PATCH 1704/2224] V4L/DVB (9306): dsbr100: Add frequency check

Add checking for frequency and printk if -1 returned.

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/radio/dsbr100.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index e88c58ea1b7..a5ca176a7b0 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -411,6 +411,7 @@ static int vidioc_s_audio(struct file *file, void *priv,
 static int usb_dsbr100_open(struct inode *inode, struct file *file)
 {
 	struct dsbr100_device *radio = video_drvdata(file);
+	int retval;
 
 	lock_kernel();
 	radio->users = 1;
@@ -423,7 +424,12 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
 		unlock_kernel();
 		return -EIO;
 	}
-	dsbr100_setfreq(radio, radio->curfreq);
+
+	retval = dsbr100_setfreq(radio, radio->curfreq);
+
+	if (retval == -1)
+		printk(KERN_WARNING KBUILD_MODNAME ": Set frequency failed\n");
+
 	unlock_kernel();
 	return 0;
 }
-- 
GitLab


From f4ef033ee03b36ba1b1d39007d740f2786a93f2b Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 23:15:10 -0300
Subject: [PATCH 1705/2224] V4L/DVB (9308): s5h1411: Improvements to the
 default registers

s5h1411: Improvements to the default registers

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index 2febfb5a846..a642cae6360 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -62,7 +62,7 @@ static struct init_tab {
 	{ S5H1411_I2C_TOP_ADDR, 0x08, 0x0047, },
 	{ S5H1411_I2C_TOP_ADDR, 0x1c, 0x0400, },
 	{ S5H1411_I2C_TOP_ADDR, 0x1e, 0x0370, },
-	{ S5H1411_I2C_TOP_ADDR, 0x1f, 0x342a, },
+	{ S5H1411_I2C_TOP_ADDR, 0x1f, 0x342c, },
 	{ S5H1411_I2C_TOP_ADDR, 0x24, 0x0231, },
 	{ S5H1411_I2C_TOP_ADDR, 0x25, 0x1011, },
 	{ S5H1411_I2C_TOP_ADDR, 0x26, 0x0f07, },
@@ -100,7 +100,6 @@ static struct init_tab {
 	{ S5H1411_I2C_TOP_ADDR, 0x78, 0x3141, },
 	{ S5H1411_I2C_TOP_ADDR, 0x7a, 0x3141, },
 	{ S5H1411_I2C_TOP_ADDR, 0xb3, 0x8003, },
-	{ S5H1411_I2C_TOP_ADDR, 0xb5, 0xafbb, },
 	{ S5H1411_I2C_TOP_ADDR, 0xb5, 0xa6bb, },
 	{ S5H1411_I2C_TOP_ADDR, 0xb6, 0x0609, },
 	{ S5H1411_I2C_TOP_ADDR, 0xb7, 0x2f06, },
-- 
GitLab


From c96de5197d038cd1c5538085109c7329434ee94b Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 23:16:50 -0300
Subject: [PATCH 1706/2224] V4L/DVB (9309): s5h1411: I/F related bugfix for
 3.25 and remove spurious define

This should improve performance.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 2 +-
 drivers/media/dvb/frontends/s5h1411.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index a642cae6360..25a3fb31e02 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -392,7 +392,7 @@ static int s5h1411_set_if_freq(struct dvb_frontend *fe, int KHz)
 
 	switch (KHz) {
 	case 3250:
-		s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0x38, 0x10d9);
+		s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0x38, 0x10d5);
 		s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0x39, 0x5342);
 		s5h1411_writereg(state, S5H1411_I2C_QAM_ADDR, 0x2c, 0x10d9);
 		break;
diff --git a/drivers/media/dvb/frontends/s5h1411.h b/drivers/media/dvb/frontends/s5h1411.h
index 7d542bc00c4..2370a06debd 100644
--- a/drivers/media/dvb/frontends/s5h1411.h
+++ b/drivers/media/dvb/frontends/s5h1411.h
@@ -47,7 +47,6 @@ struct s5h1411_config {
 	u16 mpeg_timing;
 
 	/* IF Freq for QAM and VSB in KHz */
-#define S5H1411_IF_2500  2500
 #define S5H1411_IF_3500  3500
 #define S5H1411_IF_4000  4000
 #define S5H1411_IF_5380  5380
-- 
GitLab


From e16c63de928f00075f0ea466581e04b44bb33f75 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 23:17:42 -0300
Subject: [PATCH 1707/2224] V4L/DVB (9310): s5h1411: read_status() locking
 detection fixes.

This includes new bit definitions for previously unknown bits.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 29 ++++++++++++++-------------
 1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index 25a3fb31e02..c79e23ded4d 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -636,28 +636,29 @@ static int s5h1411_read_status(struct dvb_frontend *fe, fe_status_t *status)
 
 	*status = 0;
 
-	/* Get the demodulator status */
-	reg = (s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0xf2) >> 15)
-		& 0x0001;
-	if (reg)
-		*status |= FE_HAS_LOCK | FE_HAS_CARRIER | FE_HAS_SIGNAL;
+	/* Register F2 bit 15 = Master Lock, removed */
 
 	switch (state->current_modulation) {
 	case QAM_64:
 	case QAM_256:
 		reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0xf0);
-		if (reg & 0x100)
-			*status |= FE_HAS_VITERBI;
-		if (reg & 0x10)
-			*status |= FE_HAS_SYNC;
+		if (reg & 0x10) /* QAM FEC Lock */
+			*status |= FE_HAS_SYNC | FE_HAS_LOCK;
+		if (reg & 0x100) /* QAM EQ Lock */
+			*status |= FE_HAS_VITERBI | FE_HAS_CARRIER | FE_HAS_SIGNAL;
+
 		break;
 	case VSB_8:
-		reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0x5e);
-		if (reg & 0x0001)
-			*status |= FE_HAS_SYNC;
 		reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0xf2);
-		if (reg & 0x1000)
-			*status |= FE_HAS_VITERBI;
+		if (reg & 0x1000) /* FEC Lock */
+			*status |= FE_HAS_SYNC | FE_HAS_LOCK;
+		if (reg & 0x2000) /* EQ Lock */
+			*status |= FE_HAS_VITERBI | FE_HAS_CARRIER | FE_HAS_SIGNAL;
+
+		reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0x53);
+		if (reg & 0x1) /* AFC Lock */
+			*status |= FE_HAS_SIGNAL;
+
 		break;
 	default:
 		return -EINVAL;
-- 
GitLab


From 1af46b450fa49c57d73764d66f267335ccd807e2 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 23:18:49 -0300
Subject: [PATCH 1708/2224] V4L/DVB (9311): s5h1411: bugfix: Setting serial or
 parallel mode could destroy bits

Adding a serialmode function to read/and/or/write the register for safety.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index c79e23ded4d..4cb05614076 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -470,6 +470,20 @@ static int s5h1411_set_spectralinversion(struct dvb_frontend *fe, int inversion)
 	return s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0x24, val);
 }
 
+static int s5h1411_set_serialmode(struct dvb_frontend *fe, int serial)
+{
+	struct s5h1411_state *state = fe->demodulator_priv;
+	u16 val;
+
+	dprintk("%s(%d)\n", __func__, serial);
+	val = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0xbd) & ~0x100;
+
+	if (serial == 1)
+		val |= 0x100;
+
+	return s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0xbd, val);
+}
+
 static int s5h1411_enable_modulation(struct dvb_frontend *fe,
 				     fe_modulation_t m)
 {
@@ -611,10 +625,10 @@ static int s5h1411_init(struct dvb_frontend *fe)
 
 	if (state->config->output_mode == S5H1411_SERIAL_OUTPUT)
 		/* Serial */
-		s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0xbd, 0x1101);
+		s5h1411_set_serialmode(fe, 1);
 	else
 		/* Parallel */
-		s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0xbd, 0x1001);
+		s5h1411_set_serialmode(fe, 0);
 
 	s5h1411_set_spectralinversion(fe, state->config->inversion);
 	s5h1411_set_if_freq(fe, state->config->vsb_if);
-- 
GitLab


From 5bd47311fe8965980469b45904fefd9afe6ca5b3 Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Thu, 16 Oct 2008 23:26:05 -0300
Subject: [PATCH 1709/2224] V4L/DVB (9312): s5h1411: Remove meaningless code

s5h1411: Remove meaningless code

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index 4cb05614076..e328d88bcbd 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -463,8 +463,6 @@ static int s5h1411_set_spectralinversion(struct dvb_frontend *fe, int inversion)
 
 	if (inversion == 1)
 		val |= 0x1000; /* Inverted */
-	else
-		val |= 0x0000;
 
 	state->inversion = inversion;
 	return s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0x24, val);
-- 
GitLab


From 1874c443280d61bef1466a30c1e2819656d54eea Mon Sep 17 00:00:00 2001
From: Steven Toth <stoth@linuxtv.org>
Date: Sat, 18 Oct 2008 11:19:31 -0300
Subject: [PATCH 1710/2224] V4L/DVB (9313): s5h1411: Add the #define for an
 existing supporting I/F

s5h1411: Add the #define for an existing supporting I/F

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/dvb/frontends/s5h1411.h b/drivers/media/dvb/frontends/s5h1411.h
index 2370a06debd..45ec0f82989 100644
--- a/drivers/media/dvb/frontends/s5h1411.h
+++ b/drivers/media/dvb/frontends/s5h1411.h
@@ -47,6 +47,7 @@ struct s5h1411_config {
 	u16 mpeg_timing;
 
 	/* IF Freq for QAM and VSB in KHz */
+#define S5H1411_IF_3250  3250
 #define S5H1411_IF_3500  3500
 #define S5H1411_IF_4000  4000
 #define S5H1411_IF_5380  5380
-- 
GitLab


From f0d041e50bc6c8a677922d72b010f80af9b23b18 Mon Sep 17 00:00:00 2001
From: Devin Heitmueller <devin.heitmueller@gmail.com>
Date: Mon, 20 Oct 2008 10:17:08 -0300
Subject: [PATCH 1711/2224] V4L/DVB (9314): s5h1411: Perform s5h1411 soft reset
 after tuning

If you instruct the tuner to change frequencies, it can take up to 2500ms to
get a demod lock.  By performing a soft reset after the tuning call (which
is consistent with how the Pinnacle 801e Windows driver behaves), you get
a demod lock inside of 300ms

Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index e328d88bcbd..40e0fedf381 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -585,9 +585,6 @@ static int s5h1411_set_frontend(struct dvb_frontend *fe,
 
 	s5h1411_enable_modulation(fe, p->u.vsb.modulation);
 
-	/* Allow the demod to settle */
-	msleep(100);
-
 	if (fe->ops.tuner_ops.set_params) {
 		if (fe->ops.i2c_gate_ctrl)
 			fe->ops.i2c_gate_ctrl(fe, 1);
@@ -598,6 +595,10 @@ static int s5h1411_set_frontend(struct dvb_frontend *fe,
 			fe->ops.i2c_gate_ctrl(fe, 0);
 	}
 
+	/* Issue a reset to the demod so it knows to resync against the
+	   newly tuned frequency */
+	s5h1411_softreset(fe);
+
 	return 0;
 }
 
-- 
GitLab


From 50eac6bc466f69e1ecb3a1b64346ed7b979547ac Mon Sep 17 00:00:00 2001
From: Devin Heitmueller <devin.heitmueller@gmail.com>
Date: Mon, 20 Oct 2008 10:19:07 -0300
Subject: [PATCH 1712/2224] V4L/DVB (9315): s5h1411: Skip reconfiguring demod
 modulation if already at the desired modulation

If we are already at the desired modulation, there is no need to reconfigure
the demod (at a tuning time cost)

Note that this change revealed that although the datasheet says the demod
starts out in VSB-8 mode, the first tuning was failing consistently unless
we went through the work of setting the registers.  So add a field to denote
this case so we always do the enable_frontend call, even if the first tuning
request is for VSB-8.

Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index 40e0fedf381..b9ac6d35a1e 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -38,6 +38,7 @@ struct s5h1411_state {
 	struct dvb_frontend frontend;
 
 	fe_modulation_t current_modulation;
+	unsigned int first_tune:1;
 
 	u32 current_frequency;
 	int if_freq;
@@ -489,6 +490,12 @@ static int s5h1411_enable_modulation(struct dvb_frontend *fe,
 
 	dprintk("%s(0x%08x)\n", __func__, m);
 
+	if ((state->first_tune == 0) && (m == state->current_modulation)) {
+		dprintk("%s() Already at desired modulation.  Skipping...\n",
+			__func__);
+		return 0;
+	}
+
 	switch (m) {
 	case VSB_8:
 		dprintk("%s() VSB_8\n", __func__);
@@ -513,6 +520,7 @@ static int s5h1411_enable_modulation(struct dvb_frontend *fe,
 	}
 
 	state->current_modulation = m;
+	state->first_tune = 0;
 	s5h1411_softreset(fe);
 
 	return 0;
@@ -622,6 +630,11 @@ static int s5h1411_init(struct dvb_frontend *fe)
 	/* The datasheet says that after initialisation, VSB is default */
 	state->current_modulation = VSB_8;
 
+	/* Although the datasheet says it's in VSB, empirical evidence
+	   shows problems getting lock on the first tuning request.  Make
+	   sure we call enable_modulation the first time around */
+	state->first_tune = 1;
+
 	if (state->config->output_mode == S5H1411_SERIAL_OUTPUT)
 		/* Serial */
 		s5h1411_set_serialmode(fe, 1);
-- 
GitLab


From 11fc9a4a440112b5afc1a99d86ba92d70205a688 Mon Sep 17 00:00:00 2001
From: Devin Heitmueller <devin.heitmueller@gmail.com>
Date: Mon, 20 Oct 2008 10:33:22 -0300
Subject: [PATCH 1713/2224] V4L/DVB (9316): s5h1411: Power down s5h1411 when
 not in use

Power down the s5h1411 demodulator when not in use (on the Pinnacle 801e, this
brings idle power from 123ma down to 84ma).

Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Acked-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/dvb/frontends/s5h1411.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c
index b9ac6d35a1e..40644aacffc 100644
--- a/drivers/media/dvb/frontends/s5h1411.c
+++ b/drivers/media/dvb/frontends/s5h1411.c
@@ -554,7 +554,7 @@ static int s5h1411_set_gpio(struct dvb_frontend *fe, int enable)
 		return s5h1411_writereg(state, S5H1411_I2C_TOP_ADDR, 0xe0, val);
 }
 
-static int s5h1411_sleep(struct dvb_frontend *fe, int enable)
+static int s5h1411_set_powerstate(struct dvb_frontend *fe, int enable)
 {
 	struct s5h1411_state *state = fe->demodulator_priv;
 
@@ -570,6 +570,11 @@ static int s5h1411_sleep(struct dvb_frontend *fe, int enable)
 	return 0;
 }
 
+static int s5h1411_sleep(struct dvb_frontend *fe)
+{
+	return s5h1411_set_powerstate(fe, 1);
+}
+
 static int s5h1411_register_reset(struct dvb_frontend *fe)
 {
 	struct s5h1411_state *state = fe->demodulator_priv;
@@ -619,7 +624,7 @@ static int s5h1411_init(struct dvb_frontend *fe)
 
 	dprintk("%s()\n", __func__);
 
-	s5h1411_sleep(fe, 0);
+	s5h1411_set_powerstate(fe, 0);
 	s5h1411_register_reset(fe);
 
 	for (i = 0; i < ARRAY_SIZE(init_tab); i++)
@@ -889,6 +894,7 @@ static struct dvb_frontend_ops s5h1411_ops = {
 	},
 
 	.init                 = s5h1411_init,
+	.sleep                = s5h1411_sleep,
 	.i2c_gate_ctrl        = s5h1411_i2c_gate_ctrl,
 	.set_frontend         = s5h1411_set_frontend,
 	.get_frontend         = s5h1411_get_frontend,
-- 
GitLab


From 96014a957c7a39392315ce117466549d69eb63b2 Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@nokia.com>
Date: Sat, 18 Oct 2008 12:23:45 -0300
Subject: [PATCH 1714/2224] V4L/DVB (9318): v4l2-int-if: Add command to get
 slave private data.

vidioc_int_g_priv is used to get master's slave-related private data
structure. The structure can contain for example master's configuration
specific to slave.

Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/media/v4l2-int-device.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h
index c8b80e0f065..d9a0053654d 100644
--- a/include/media/v4l2-int-device.h
+++ b/include/media/v4l2-int-device.h
@@ -184,6 +184,11 @@ enum v4l2_int_ioctl_num {
 	vidioc_int_dev_exit_num,
 	/* Set device power state: 0 is off, non-zero is on. */
 	vidioc_int_s_power_num,
+	/*
+	* Get slave private data, e.g. platform-specific slave
+	* configuration used by the master.
+	*/
+	vidioc_int_g_priv_num,
 	/* Get slave interface parameters. */
 	vidioc_int_g_ifparm_num,
 	/* Does the slave need to be reset after VIDIOC_DQBUF? */
@@ -267,6 +272,7 @@ V4L2_INT_WRAPPER_1(s_parm, struct v4l2_streamparm, *);
 V4L2_INT_WRAPPER_0(dev_init);
 V4L2_INT_WRAPPER_0(dev_exit);
 V4L2_INT_WRAPPER_1(s_power, int, );
+V4L2_INT_WRAPPER_1(g_priv, void, *);
 V4L2_INT_WRAPPER_1(g_ifparm, struct v4l2_ifparm, *);
 V4L2_INT_WRAPPER_1(g_needs_reset, void, *);
 
-- 
GitLab


From 621a3739f3b8c7427a789d3b2fe86a80ff234225 Mon Sep 17 00:00:00 2001
From: Sameer Venkatraman <sameerv@ti.com>
Date: Sat, 18 Oct 2008 12:25:28 -0300
Subject: [PATCH 1715/2224] V4L/DVB (9319): v4l2-int-if: Add cropcap, g_crop
 and s_crop commands.

Signed-off-by: Sameer Venkatraman <sameerv@ti.com>
Signed-off-by: Mohit Jalori <mjalori@ti.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/media/v4l2-int-device.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h
index d9a0053654d..cee941c39aa 100644
--- a/include/media/v4l2-int-device.h
+++ b/include/media/v4l2-int-device.h
@@ -170,6 +170,9 @@ enum v4l2_int_ioctl_num {
 	vidioc_int_queryctrl_num,
 	vidioc_int_g_ctrl_num,
 	vidioc_int_s_ctrl_num,
+	vidioc_int_cropcap_num,
+	vidioc_int_g_crop_num,
+	vidioc_int_s_crop_num,
 	vidioc_int_g_parm_num,
 	vidioc_int_s_parm_num,
 
@@ -266,6 +269,9 @@ V4L2_INT_WRAPPER_1(try_fmt_cap, struct v4l2_format, *);
 V4L2_INT_WRAPPER_1(queryctrl, struct v4l2_queryctrl, *);
 V4L2_INT_WRAPPER_1(g_ctrl, struct v4l2_control, *);
 V4L2_INT_WRAPPER_1(s_ctrl, struct v4l2_control, *);
+V4L2_INT_WRAPPER_1(cropcap, struct v4l2_cropcap, *);
+V4L2_INT_WRAPPER_1(g_crop, struct v4l2_crop, *);
+V4L2_INT_WRAPPER_1(s_crop, struct v4l2_crop, *);
 V4L2_INT_WRAPPER_1(g_parm, struct v4l2_streamparm, *);
 V4L2_INT_WRAPPER_1(s_parm, struct v4l2_streamparm, *);
 
-- 
GitLab


From 733d710b09748a79f70cbb58547d036d28ec566e Mon Sep 17 00:00:00 2001
From: Sergio Aguirre <saaguirre@ti.com>
Date: Sat, 18 Oct 2008 12:26:47 -0300
Subject: [PATCH 1716/2224] V4L/DVB (9320): v4l2: Add 10-bit RAW Bayer formats

Add 10-bit raw bayer format expanded to 16 bits. Adds also definition
for 10-bit raw bayer format dpcm-compressed to 8 bits.

Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/linux/videodev2.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index d4b03034ee7..4669d7e72e7 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -315,6 +315,13 @@ struct v4l2_pix_format {
 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
+/*
+ * 10bit raw bayer, expanded to 16 bits
+ * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
+ */
+#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0')
+/* 10bit raw bayer DPCM compressed to 8 bits */
+#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
 
 /* compressed formats */
-- 
GitLab


From 84389910d0f760cea22a5e58ee16b3b9713d456d Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@nokia.com>
Date: Sat, 18 Oct 2008 12:27:50 -0300
Subject: [PATCH 1717/2224] V4L/DVB (9321): v4l2-int-if: Define new power state
 changes

Use enum v4l2_power instead of int as second argument to
vidioc_int_s_power. The new functionality is that standby state is also
recognised.

Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/media/v4l2-int-device.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h
index cee941c39aa..3351dcffb46 100644
--- a/include/media/v4l2-int-device.h
+++ b/include/media/v4l2-int-device.h
@@ -96,6 +96,12 @@ int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg);
  *
  */
 
+enum v4l2_power {
+	V4L2_POWER_OFF = 0,
+	V4L2_POWER_ON,
+	V4L2_POWER_STANDBY,
+};
+
 /* Slave interface type. */
 enum v4l2_if_type {
 	/*
@@ -185,7 +191,7 @@ enum v4l2_int_ioctl_num {
 	vidioc_int_dev_init_num = 1000,
 	/* Delinitialise the device at slave detach. */
 	vidioc_int_dev_exit_num,
-	/* Set device power state: 0 is off, non-zero is on. */
+	/* Set device power state. */
 	vidioc_int_s_power_num,
 	/*
 	* Get slave private data, e.g. platform-specific slave
@@ -277,7 +283,7 @@ V4L2_INT_WRAPPER_1(s_parm, struct v4l2_streamparm, *);
 
 V4L2_INT_WRAPPER_0(dev_init);
 V4L2_INT_WRAPPER_0(dev_exit);
-V4L2_INT_WRAPPER_1(s_power, int, );
+V4L2_INT_WRAPPER_1(s_power, enum v4l2_power, );
 V4L2_INT_WRAPPER_1(g_priv, void, *);
 V4L2_INT_WRAPPER_1(g_ifparm, struct v4l2_ifparm, *);
 V4L2_INT_WRAPPER_1(g_needs_reset, void, *);
-- 
GitLab


From 36499e525f6d2c0aba7c7f619d7a6081c56707ca Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@nokia.com>
Date: Sat, 18 Oct 2008 12:28:36 -0300
Subject: [PATCH 1718/2224] V4L/DVB (9322): v4l2-int-if: Export more interfaces
 to modules

Export v4l2_int_device_try_attach_all. This allows initiating the
initialisation of int if device after the drivers have been registered.

Also allow drivers to call ioctls if v4l2-int-if was compiled as
module.

Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/v4l2-int-device.c | 5 ++++-
 include/media/v4l2-int-device.h       | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/v4l2-int-device.c b/drivers/media/video/v4l2-int-device.c
index 0e4549922f2..a935bae538e 100644
--- a/drivers/media/video/v4l2-int-device.c
+++ b/drivers/media/video/v4l2-int-device.c
@@ -32,7 +32,7 @@
 static DEFINE_MUTEX(mutex);
 static LIST_HEAD(int_list);
 
-static void v4l2_int_device_try_attach_all(void)
+void v4l2_int_device_try_attach_all(void)
 {
 	struct v4l2_int_device *m, *s;
 
@@ -66,6 +66,7 @@ static void v4l2_int_device_try_attach_all(void)
 		}
 	}
 }
+EXPORT_SYMBOL_GPL(v4l2_int_device_try_attach_all);
 
 static int ioctl_sort_cmp(const void *a, const void *b)
 {
@@ -144,6 +145,7 @@ int v4l2_int_ioctl_0(struct v4l2_int_device *d, int cmd)
 		find_ioctl(d->u.slave, cmd,
 			   (v4l2_int_ioctl_func *)no_such_ioctl_0))(d);
 }
+EXPORT_SYMBOL_GPL(v4l2_int_ioctl_0);
 
 static int no_such_ioctl_1(struct v4l2_int_device *d, void *arg)
 {
@@ -156,5 +158,6 @@ int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg)
 		find_ioctl(d->u.slave, cmd,
 			   (v4l2_int_ioctl_func *)no_such_ioctl_1))(d, arg);
 }
+EXPORT_SYMBOL_GPL(v4l2_int_ioctl_1);
 
 MODULE_LICENSE("GPL");
diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h
index 3351dcffb46..b5cee890923 100644
--- a/include/media/v4l2-int-device.h
+++ b/include/media/v4l2-int-device.h
@@ -84,6 +84,8 @@ struct v4l2_int_device {
 	void *priv;
 };
 
+void v4l2_int_device_try_attach_all(void);
+
 int v4l2_int_device_register(struct v4l2_int_device *d);
 void v4l2_int_device_unregister(struct v4l2_int_device *d);
 
-- 
GitLab


From f496bc716613378f2a3f9097a8e3ea4e4e30e79d Mon Sep 17 00:00:00 2001
From: Sakari Ailus <sakari.ailus@nokia.com>
Date: Sat, 18 Oct 2008 12:29:15 -0300
Subject: [PATCH 1719/2224] V4L/DVB (9323): v4l2-int-if: Add enum_framesizes
 and enum_frameintervals ioctls.

Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 include/media/v4l2-int-device.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h
index b5cee890923..9c2df41dbf9 100644
--- a/include/media/v4l2-int-device.h
+++ b/include/media/v4l2-int-device.h
@@ -204,6 +204,8 @@ enum v4l2_int_ioctl_num {
 	vidioc_int_g_ifparm_num,
 	/* Does the slave need to be reset after VIDIOC_DQBUF? */
 	vidioc_int_g_needs_reset_num,
+	vidioc_int_enum_framesizes_num,
+	vidioc_int_enum_frameintervals_num,
 
 	/*
 	 *
@@ -289,6 +291,8 @@ V4L2_INT_WRAPPER_1(s_power, enum v4l2_power, );
 V4L2_INT_WRAPPER_1(g_priv, void, *);
 V4L2_INT_WRAPPER_1(g_ifparm, struct v4l2_ifparm, *);
 V4L2_INT_WRAPPER_1(g_needs_reset, void, *);
+V4L2_INT_WRAPPER_1(enum_framesizes, struct v4l2_frmsizeenum, *);
+V4L2_INT_WRAPPER_1(enum_frameintervals, struct v4l2_frmivalenum, *);
 
 V4L2_INT_WRAPPER_0(reset);
 V4L2_INT_WRAPPER_0(init);
-- 
GitLab


From d5fbf32f381ad841d9d9537aa1b6f74796703361 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sat, 18 Oct 2008 13:39:53 -0300
Subject: [PATCH 1720/2224] V4L/DVB (9324): v4l2: add video_ioctl2_unlocked for
 unlocked_ioctl support.

Based on an older patch from Sakari Ailus.

Cc: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/v4l2-ioctl.c | 11 +++++++++--
 include/media/v4l2-ioctl.h       |  4 +++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 155c9d77a46..0417844d407 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -630,8 +630,8 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 {
 	struct video_device *vfd = video_devdata(file);
 	const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops;
-	void                 *fh = file->private_data;
-	int                  ret = -EINVAL;
+	void *fh = file->private_data;
+	int ret = -EINVAL;
 
 	if ((vfd->debug & V4L2_DEBUG_IOCTL) &&
 				!(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) {
@@ -1861,3 +1861,10 @@ out:
 	return err;
 }
 EXPORT_SYMBOL(video_ioctl2);
+
+long video_ioctl2_unlocked(struct file *file,
+		 unsigned int cmd, unsigned long arg)
+{
+	return video_ioctl2(file->f_path.dentry->d_inode, file, cmd, arg);
+}
+EXPORT_SYMBOL(video_ioctl2_unlocked);
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 0bef03add79..3e11dfe38dc 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -285,7 +285,9 @@ extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
 				unsigned long arg);
 
 extern int video_ioctl2(struct inode *inode, struct file *file,
-			  unsigned int cmd, unsigned long arg);
+			unsigned int cmd, unsigned long arg);
+extern long video_ioctl2_unlocked(struct file *file,
+			unsigned int cmd, unsigned long arg);
 
 /* Include support for obsoleted stuff */
 extern int video_usercopy(struct inode *inode, struct file *file,
-- 
GitLab


From 09882f0044b7cf6e506c82a5182ad768ebb660f2 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sat, 18 Oct 2008 13:42:24 -0300
Subject: [PATCH 1721/2224] V4L/DVB (9325): ivtv: switch to unlocked_ioctl.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ivtv/ivtv-ioctl.c   | 13 ++++++-------
 drivers/media/video/ivtv/ivtv-ioctl.h   |  3 +--
 drivers/media/video/ivtv/ivtv-streams.c |  4 ++--
 3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 208fb54842f..09a75abcb47 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -1756,12 +1756,12 @@ static int ivtv_default(struct file *file, void *fh, int cmd, void *arg)
 	return 0;
 }
 
-static int ivtv_serialized_ioctl(struct ivtv *itv, struct inode *inode, struct file *filp,
+static long ivtv_serialized_ioctl(struct ivtv *itv, struct file *filp,
 		unsigned int cmd, unsigned long arg)
 {
 	struct video_device *vfd = video_devdata(filp);
 	struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
-	int ret;
+	long ret;
 
 	/* Filter dvb ioctls that cannot be handled by the v4l ioctl framework */
 	switch (cmd) {
@@ -1830,20 +1830,19 @@ static int ivtv_serialized_ioctl(struct ivtv *itv, struct inode *inode, struct f
 
 	if (ivtv_debug & IVTV_DBGFLG_IOCTL)
 		vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
-	ret = video_ioctl2(inode, filp, cmd, arg);
+	ret = video_ioctl2_unlocked(filp, cmd, arg);
 	vfd->debug = 0;
 	return ret;
 }
 
-int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-		    unsigned long arg)
+long ivtv_v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
 	struct ivtv *itv = id->itv;
-	int res;
+	long res;
 
 	mutex_lock(&itv->serialize_lock);
-	res = ivtv_serialized_ioctl(itv, inode, filp, cmd, arg);
+	res = ivtv_serialized_ioctl(itv, filp, cmd, arg);
 	mutex_unlock(&itv->serialize_lock);
 	return res;
 }
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.h b/drivers/media/video/ivtv/ivtv-ioctl.h
index 70188588b4f..58f003412af 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.h
+++ b/drivers/media/video/ivtv/ivtv-ioctl.h
@@ -30,7 +30,6 @@ void ivtv_set_funcs(struct video_device *vdev);
 int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std);
 int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf);
 int ivtv_s_input(struct file *file, void *fh, unsigned int inp);
-int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
-		    unsigned long arg);
+long ivtv_v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 
 #endif
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index 5bbf31e3930..9b7aa79eb26 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -48,7 +48,7 @@ static const struct file_operations ivtv_v4l2_enc_fops = {
 	.read = ivtv_v4l2_read,
 	.write = ivtv_v4l2_write,
 	.open = ivtv_v4l2_open,
-	.ioctl = ivtv_v4l2_ioctl,
+	.unlocked_ioctl = ivtv_v4l2_ioctl,
 	.compat_ioctl = v4l_compat_ioctl32,
 	.release = ivtv_v4l2_close,
 	.poll = ivtv_v4l2_enc_poll,
@@ -59,7 +59,7 @@ static const struct file_operations ivtv_v4l2_dec_fops = {
 	.read = ivtv_v4l2_read,
 	.write = ivtv_v4l2_write,
 	.open = ivtv_v4l2_open,
-	.ioctl = ivtv_v4l2_ioctl,
+	.unlocked_ioctl = ivtv_v4l2_ioctl,
 	.compat_ioctl = v4l_compat_ioctl32,
 	.release = ivtv_v4l2_close,
 	.poll = ivtv_v4l2_dec_poll,
-- 
GitLab


From 323a491a29d0bb1e91263ca347cb42c4de28adfc Mon Sep 17 00:00:00 2001
From: Martin Dauskardt <martin.dauskardt@gmx.de>
Date: Sat, 18 Oct 2008 14:59:09 -0300
Subject: [PATCH 1722/2224] V4L/DVB (9326): ivtv: avoid green flashing when
 loading ivtv

When loading ivtv the TV-out of the PVR-350 will flash green since the
saa712x is activated before the MPEG decoder has been initialized.

Deactivate the saa712x until the MPEG decoder has been initialized.

Signed-off-by: Martin Dauskardt <martin.dauskardt@gmx.de>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ivtv/ivtv-driver.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index aeaa13f6cb3..d36485023b6 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -1211,6 +1211,10 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
 
 	if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
 		ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std);
+		/* Turn off the output signal. The mpeg decoder is not yet
+		   active so without this you would get a green image until the
+		   mpeg decoder becomes active. */
+		ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL);
 	}
 
 	/* clear interrupt mask, effectively disabling interrupts */
@@ -1330,6 +1334,10 @@ int ivtv_init_on_first_open(struct ivtv *itv)
 	ivtv_s_frequency(NULL, &fh, &vf);
 
 	if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
+		/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
+		   the mpeg decoder so now the saa7127 receives a proper
+		   signal. */
+		ivtv_saa7127(itv, VIDIOC_STREAMON, NULL);
 		ivtv_init_mpeg_decoder(itv);
 	}
 	ivtv_s_std(NULL, &fh, &itv->tuner_std);
@@ -1366,6 +1374,10 @@ static void ivtv_remove(struct pci_dev *pci_dev)
 
 		/* Stop all decoding */
 		IVTV_DEBUG_INFO("Stopping decoding\n");
+
+		/* Turn off the TV-out */
+		if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
+			ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL);
 		if (atomic_read(&itv->decoding) > 0) {
 			int type;
 
-- 
GitLab


From c6330fb86fd0fed98b7e0d5792881a77b778fefc Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Sun, 19 Oct 2008 18:54:26 -0300
Subject: [PATCH 1723/2224] V4L/DVB (9327): v4l: use video_device.num instead
 of minor in video%d

The kernel number of a v4l2 node (e.g. videoX, radioX or vbiX) is now
independent of the minor number. So instead of using the minor field
of the video_device struct one has to use the num field: this always
contains the kernel number of the device node.

I forgot about this when I did the v4l2 core change, so this patch
converts all drivers that use it in one go. Luckily the change is
trivial.

Cc: michael@mihu.de
Cc: mchehab@infradead.org
Cc: corbet@lwn.net
Cc: luca.risolia@studio.unibo.it
Cc: isely@pobox.com
Cc: pe1rxq@amsat.org
Cc: royale@zerezo.com
Cc: mkrufky@linuxtv.org
Cc: stoth@linuxtv.org
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/common/saa7146_fops.c           |  4 ++--
 drivers/media/video/arv.c                     |  2 +-
 drivers/media/video/bt8xx/bttv-driver.c       |  6 ++---
 drivers/media/video/c-qcam.c                  |  2 +-
 drivers/media/video/cafe_ccic.c               |  4 ++--
 drivers/media/video/cpia.c                    |  6 ++---
 drivers/media/video/cpia2/cpia2_v4l.c         |  2 +-
 drivers/media/video/cx23885/cx23885-417.c     |  2 +-
 drivers/media/video/cx23885/cx23885-video.c   |  2 +-
 drivers/media/video/cx88/cx88-blackbird.c     |  2 +-
 drivers/media/video/cx88/cx88-video.c         |  6 ++---
 drivers/media/video/em28xx/em28xx-video.c     |  2 +-
 drivers/media/video/et61x251/et61x251_core.c  | 24 +++++++++----------
 drivers/media/video/pvrusb2/pvrusb2-v4l2.c    |  6 ++---
 drivers/media/video/pwc/pwc-if.c              |  2 +-
 drivers/media/video/saa7134/saa7134-core.c    |  6 ++---
 drivers/media/video/saa7134/saa7134-empress.c |  2 +-
 drivers/media/video/se401.c                   |  2 +-
 drivers/media/video/sn9c102/sn9c102_core.c    | 24 +++++++++----------
 drivers/media/video/stk-webcam.c              |  4 ++--
 drivers/media/video/stv680.c                  |  3 ++-
 drivers/media/video/usbvideo/usbvideo.c       |  2 +-
 drivers/media/video/usbvideo/vicam.c          |  3 ++-
 drivers/media/video/usbvision/usbvision-i2c.c |  2 +-
 .../media/video/usbvision/usbvision-video.c   | 12 +++++-----
 drivers/media/video/vivi.c                    |  6 ++---
 drivers/media/video/w9968cf.c                 | 16 ++++++-------
 drivers/media/video/zc0301/zc0301_core.c      | 24 +++++++++----------
 drivers/media/video/zr364xx.c                 |  2 +-
 29 files changed, 91 insertions(+), 89 deletions(-)

diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index 5b34c134aa2..127b0526a72 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -545,11 +545,11 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev,
 	if( VFL_TYPE_GRABBER == type ) {
 		vv->video_minor = vfd->minor;
 		INFO(("%s: registered device video%d [v4l2]\n",
-			dev->name, vfd->minor & 0x1f));
+			dev->name, vfd->num));
 	} else {
 		vv->vbi_minor = vfd->minor;
 		INFO(("%s: registered device vbi%d [v4l2]\n",
-			dev->name, vfd->minor & 0x1f));
+			dev->name, vfd->num));
 	}
 
 	*vid = vfd;
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c
index 218754b4906..e09b0069323 100644
--- a/drivers/media/video/arv.c
+++ b/drivers/media/video/arv.c
@@ -866,7 +866,7 @@ static int __init ar_init(void)
 	}
 
 	printk("video%d: Found M64278 VGA (IRQ %d, Freq %dMHz).\n",
-		ar->vdev->minor, M32R_IRQ_INT3, freq);
+		ar->vdev->num, M32R_IRQ_INT3, freq);
 
 	return 0;
 
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 5858bf5ff41..9ec4cec2e52 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -4246,7 +4246,7 @@ static int __devinit bttv_register_video(struct bttv *btv)
 				  video_nr[btv->c.nr]) < 0)
 		goto err;
 	printk(KERN_INFO "bttv%d: registered device video%d\n",
-	       btv->c.nr,btv->video_dev->minor & 0x1f);
+	       btv->c.nr, btv->video_dev->num);
 	if (device_create_file(&btv->video_dev->dev,
 				     &dev_attr_card)<0) {
 		printk(KERN_ERR "bttv%d: device_create_file 'card' "
@@ -4263,7 +4263,7 @@ static int __devinit bttv_register_video(struct bttv *btv)
 				  vbi_nr[btv->c.nr]) < 0)
 		goto err;
 	printk(KERN_INFO "bttv%d: registered device vbi%d\n",
-	       btv->c.nr,btv->vbi_dev->minor & 0x1f);
+	       btv->c.nr, btv->vbi_dev->num);
 
 	if (!btv->has_radio)
 		return 0;
@@ -4275,7 +4275,7 @@ static int __devinit bttv_register_video(struct bttv *btv)
 				  radio_nr[btv->c.nr]) < 0)
 		goto err;
 	printk(KERN_INFO "bttv%d: registered device radio%d\n",
-	       btv->c.nr,btv->radio_dev->minor & 0x1f);
+	       btv->c.nr, btv->radio_dev->num);
 
 	/* all done */
 	return 0;
diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c
index 17aa0adb346..0f930d35146 100644
--- a/drivers/media/video/c-qcam.c
+++ b/drivers/media/video/c-qcam.c
@@ -815,7 +815,7 @@ static int init_cqcam(struct parport *port)
 	}
 
 	printk(KERN_INFO "video%d: Colour QuickCam found on %s\n",
-	       qcam->vdev.minor, qcam->pport->name);
+	       qcam->vdev.num, qcam->pport->name);
 
 	qcams[num_cams++] = qcam;
 
diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c
index fc9497bdd32..a8c068e1de1 100644
--- a/drivers/media/video/cafe_ccic.c
+++ b/drivers/media/video/cafe_ccic.c
@@ -2059,10 +2059,10 @@ static void cafe_dfs_cam_setup(struct cafe_camera *cam)
 
 	if (!cafe_dfs_root)
 		return;
-	sprintf(fname, "regs-%d", cam->v4ldev.minor);
+	sprintf(fname, "regs-%d", cam->v4ldev.num);
 	cam->dfs_regs = debugfs_create_file(fname, 0444, cafe_dfs_root,
 			cam, &cafe_dfs_reg_ops);
-	sprintf(fname, "cam-%d", cam->v4ldev.minor);
+	sprintf(fname, "cam-%d", cam->v4ldev.num);
 	cam->dfs_cam_regs = debugfs_create_file(fname, 0444, cafe_dfs_root,
 			cam, &cafe_dfs_cam_ops);
 }
diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c
index 1798b779a25..16c094f7785 100644
--- a/drivers/media/video/cpia.c
+++ b/drivers/media/video/cpia.c
@@ -1347,7 +1347,7 @@ static void create_proc_cpia_cam(struct cam_data *cam)
 	if (!cpia_proc_root || !cam)
 		return;
 
-	snprintf(name, sizeof(name), "video%d", cam->vdev.minor);
+	snprintf(name, sizeof(name), "video%d", cam->vdev.num);
 
 	ent = create_proc_entry(name, S_IFREG|S_IRUGO|S_IWUSR, cpia_proc_root);
 	if (!ent)
@@ -1372,7 +1372,7 @@ static void destroy_proc_cpia_cam(struct cam_data *cam)
 	if (!cam || !cam->proc_entry)
 		return;
 
-	snprintf(name, sizeof(name), "video%d", cam->vdev.minor);
+	snprintf(name, sizeof(name), "video%d", cam->vdev.num);
 	remove_proc_entry(name, cpia_proc_root);
 	cam->proc_entry = NULL;
 }
@@ -4005,7 +4005,7 @@ void cpia_unregister_camera(struct cam_data *cam)
 	}
 
 #ifdef CONFIG_PROC_FS
-	DBG("destroying /proc/cpia/video%d\n", cam->vdev.minor);
+	DBG("destroying /proc/cpia/video%d\n", cam->vdev.num);
 	destroy_proc_cpia_cam(cam);
 #endif
 	if (!cam->open_count) {
diff --git a/drivers/media/video/cpia2/cpia2_v4l.c b/drivers/media/video/cpia2/cpia2_v4l.c
index 897e8d1a5c3..1c6bd633f19 100644
--- a/drivers/media/video/cpia2/cpia2_v4l.c
+++ b/drivers/media/video/cpia2/cpia2_v4l.c
@@ -1973,7 +1973,7 @@ void cpia2_unregister_camera(struct camera_data *cam)
 	} else {
 		LOG("/dev/video%d removed while open, "
 		    "deferring video_unregister_device\n",
-		    cam->vdev->minor);
+		    cam->vdev->num);
 	}
 }
 
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c
index 395c11fa47c..00831f3ef8f 100644
--- a/drivers/media/video/cx23885/cx23885-417.c
+++ b/drivers/media/video/cx23885/cx23885-417.c
@@ -1815,7 +1815,7 @@ int cx23885_417_register(struct cx23885_dev *dev)
 	cx23885_mc417_init(dev);
 
 	printk(KERN_INFO "%s: registered device video%d [mpeg]\n",
-	       dev->name, dev->v4l_device->minor & 0x1f);
+	       dev->name, dev->v4l_device->num);
 
 	return 0;
 }
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index ab3110d6046..c742a10be5c 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -1543,7 +1543,7 @@ int cx23885_video_register(struct cx23885_dev *dev)
 		goto fail_unreg;
 	}
 	printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
-	       dev->name, dev->video_dev->minor & 0x1f);
+	       dev->name, dev->video_dev->num);
 	/* initial device configuration */
 	mutex_lock(&dev->lock);
 	cx23885_set_tvnorm(dev, dev->tvnorm);
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index e7136975430..078be631955 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -1285,7 +1285,7 @@ static int blackbird_register_video(struct cx8802_dev *dev)
 		return err;
 	}
 	printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
-	       dev->core->name,dev->mpeg_dev->minor & 0x1f);
+	       dev->core->name, dev->mpeg_dev->num);
 	return 0;
 }
 
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 3904b73f52e..61265fd04d5 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1911,7 +1911,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
 		goto fail_unreg;
 	}
 	printk(KERN_INFO "%s/0: registered device video%d [v4l2]\n",
-	       core->name,dev->video_dev->minor & 0x1f);
+	       core->name, dev->video_dev->num);
 
 	dev->vbi_dev = cx88_vdev_init(core,dev->pci,&cx8800_vbi_template,"vbi");
 	err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
@@ -1922,7 +1922,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
 		goto fail_unreg;
 	}
 	printk(KERN_INFO "%s/0: registered device vbi%d\n",
-	       core->name,dev->vbi_dev->minor & 0x1f);
+	       core->name, dev->vbi_dev->num);
 
 	if (core->board.radio.type == CX88_RADIO) {
 		dev->radio_dev = cx88_vdev_init(core,dev->pci,
@@ -1935,7 +1935,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
 			goto fail_unreg;
 		}
 		printk(KERN_INFO "%s/0: registered device radio%d\n",
-		       core->name,dev->radio_dev->minor & 0x1f);
+		       core->name, dev->radio_dev->num);
 	}
 
 	/* everything worked */
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index c53649e5315..a1ab2ef4557 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -2042,7 +2042,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev,
 			goto fail_unreg;
 		}
 		em28xx_info("Registered radio device as /dev/radio%d\n",
-			    dev->radio_dev->minor & 0x1f);
+			    dev->radio_dev->num);
 	}
 
 	/* init video dma queues */
diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c
index 7a85c41b0ee..9d0ef96c23f 100644
--- a/drivers/media/video/et61x251/et61x251_core.c
+++ b/drivers/media/video/et61x251/et61x251_core.c
@@ -588,7 +588,7 @@ static int et61x251_stream_interrupt(struct et61x251_device* cam)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "URB timeout reached. The camera is misconfigured. To "
 		       "use it, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -1195,7 +1195,7 @@ static void et61x251_release_resources(struct kref *kref)
 
 	cam = container_of(kref, struct et61x251_device, kref);
 
-	DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->minor);
+	DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->num);
 	video_set_drvdata(cam->v4ldev, NULL);
 	video_unregister_device(cam->v4ldev);
 	usb_put_dev(cam->usbdev);
@@ -1237,7 +1237,7 @@ static int et61x251_open(struct inode* inode, struct file* filp)
 
 	if (cam->users) {
 		DBG(2, "Device /dev/video%d is already in use",
-		       cam->v4ldev->minor);
+		       cam->v4ldev->num);
 		DBG(3, "Simultaneous opens are not supported");
 		if ((filp->f_flags & O_NONBLOCK) ||
 		    (filp->f_flags & O_NDELAY)) {
@@ -1280,7 +1280,7 @@ static int et61x251_open(struct inode* inode, struct file* filp)
 	cam->frame_count = 0;
 	et61x251_empty_framequeues(cam);
 
-	DBG(3, "Video device /dev/video%d is open", cam->v4ldev->minor);
+	DBG(3, "Video device /dev/video%d is open", cam->v4ldev->num);
 
 out:
 	mutex_unlock(&cam->open_mutex);
@@ -1304,7 +1304,7 @@ static int et61x251_release(struct inode* inode, struct file* filp)
 	cam->users--;
 	wake_up_interruptible_nr(&cam->wait_open, 1);
 
-	DBG(3, "Video device /dev/video%d closed", cam->v4ldev->minor);
+	DBG(3, "Video device /dev/video%d closed", cam->v4ldev->num);
 
 	kref_put(&cam->kref, et61x251_release_resources);
 
@@ -1845,7 +1845,7 @@ et61x251_vidioc_s_crop(struct et61x251_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_CROP failed because of hardware problems. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -1858,7 +1858,7 @@ et61x251_vidioc_s_crop(struct et61x251_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_CROP failed because of not enough memory. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -ENOMEM;
 	}
 
@@ -2068,7 +2068,7 @@ et61x251_vidioc_try_s_fmt(struct et61x251_device* cam, unsigned int cmd,
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_FMT failed because of hardware problems. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -2080,7 +2080,7 @@ et61x251_vidioc_try_s_fmt(struct et61x251_device* cam, unsigned int cmd,
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_FMT failed because of not enough memory. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -ENOMEM;
 	}
 
@@ -2128,7 +2128,7 @@ et61x251_vidioc_s_jpegcomp(struct et61x251_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware "
 		       "problems. To use the camera, close and open "
-		       "/dev/video%d again.", cam->v4ldev->minor);
+		       "/dev/video%d again.", cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -2605,7 +2605,7 @@ et61x251_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
 		goto fail;
 	}
 
-	DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->minor);
+	DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->num);
 
 	cam->module_param.force_munmap = force_munmap[dev_nr];
 	cam->module_param.frame_timeout = frame_timeout[dev_nr];
@@ -2658,7 +2658,7 @@ static void et61x251_usb_disconnect(struct usb_interface* intf)
 	if (cam->users) {
 		DBG(2, "Device /dev/video%d is open! Deregistration and "
 		       "memory deallocation are deferred.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		cam->state |= DEV_MISCONFIGURED;
 		et61x251_stop_transfer(cam);
 		cam->state |= DEV_DISCONNECTED;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index f048d80b77e..43ef7ba75c8 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -893,7 +893,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
 
 static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
 {
-	int minor_id = dip->devbase.minor;
+	int num = dip->devbase.num;
 	struct pvr2_hdw *hdw = dip->v4lp->channel.mc_head->hdw;
 	enum pvr2_config cfg = dip->config;
 	int v4l_type = dip->v4l_type;
@@ -909,7 +909,7 @@ static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
 	video_unregister_device(&dip->devbase);
 
 	printk(KERN_INFO "pvrusb2: unregistered device %s%u [%s]\n",
-	       get_v4l_name(v4l_type),minor_id & 0x1f,
+	       get_v4l_name(v4l_type), num,
 	       pvr2_config_get_name(cfg));
 
 }
@@ -1310,7 +1310,7 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
 	}
 
 	printk(KERN_INFO "pvrusb2: registered device %s%u [%s]\n",
-	       get_v4l_name(dip->v4l_type),dip->devbase.minor & 0x1f,
+	       get_v4l_name(dip->v4l_type), dip->devbase.num,
 	       pvr2_config_get_name(dip->config));
 
 	pvr2_hdw_v4l_store_minor_number(vp->channel.mc_head->hdw,
diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c
index ab28389b4cd..f3897a3fdb7 100644
--- a/drivers/media/video/pwc/pwc-if.c
+++ b/drivers/media/video/pwc/pwc-if.c
@@ -1795,7 +1795,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
 		goto err;
 	}
 	else {
-		PWC_INFO("Registered as /dev/video%d.\n", pdev->vdev->minor & 0x3F);
+		PWC_INFO("Registered as /dev/video%d.\n", pdev->vdev->num);
 	}
 
 	/* occupy slot */
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index b686bfabbde..24918445294 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -996,7 +996,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 		goto fail4;
 	}
 	printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
-	       dev->name,dev->video_dev->minor & 0x1f);
+	       dev->name, dev->video_dev->num);
 
 	dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
 
@@ -1005,7 +1005,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 	if (err < 0)
 		goto fail4;
 	printk(KERN_INFO "%s: registered device vbi%d\n",
-	       dev->name,dev->vbi_dev->minor & 0x1f);
+	       dev->name, dev->vbi_dev->num);
 
 	if (card_has_radio(dev)) {
 		dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
@@ -1014,7 +1014,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 		if (err < 0)
 			goto fail4;
 		printk(KERN_INFO "%s: registered device radio%d\n",
-		       dev->name,dev->radio_dev->minor & 0x1f);
+		       dev->name, dev->radio_dev->num);
 	}
 
 	/* everything worked */
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index 9a8766a78a0..7f40511bcc0 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -534,7 +534,7 @@ static int empress_init(struct saa7134_dev *dev)
 		return err;
 	}
 	printk(KERN_INFO "%s: registered device video%d [mpeg]\n",
-	       dev->name,dev->empress_dev->minor & 0x1f);
+	       dev->name, dev->empress_dev->num);
 
 	videobuf_queue_sg_init(&dev->empress_tsq, &saa7134_ts_qops,
 			    &dev->pci->dev, &dev->slock,
diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c
index ae3949180c4..044a2e94c34 100644
--- a/drivers/media/video/se401.c
+++ b/drivers/media/video/se401.c
@@ -1412,7 +1412,7 @@ static int se401_probe(struct usb_interface *intf,
 		return -EIO;
 	}
 	dev_info(&intf->dev, "registered new video device: video%d\n",
-		 se401->vdev.minor);
+		 se401->vdev.num);
 
 	usb_set_intfdata (intf, se401);
 	return 0;
diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c
index 20e30bd9364..fcd2b62f92c 100644
--- a/drivers/media/video/sn9c102/sn9c102_core.c
+++ b/drivers/media/video/sn9c102/sn9c102_core.c
@@ -1008,7 +1008,7 @@ static int sn9c102_stream_interrupt(struct sn9c102_device* cam)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "URB timeout reached. The camera is misconfigured. "
 		       "To use it, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -1734,7 +1734,7 @@ static void sn9c102_release_resources(struct kref *kref)
 
 	cam = container_of(kref, struct sn9c102_device, kref);
 
-	DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->minor);
+	DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->num);
 	video_set_drvdata(cam->v4ldev, NULL);
 	video_unregister_device(cam->v4ldev);
 	usb_put_dev(cam->usbdev);
@@ -1792,7 +1792,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp)
 
 	if (cam->users) {
 		DBG(2, "Device /dev/video%d is already in use",
-		       cam->v4ldev->minor);
+		       cam->v4ldev->num);
 		DBG(3, "Simultaneous opens are not supported");
 		/*
 		   open() must follow the open flags and should block
@@ -1845,7 +1845,7 @@ static int sn9c102_open(struct inode* inode, struct file* filp)
 	cam->frame_count = 0;
 	sn9c102_empty_framequeues(cam);
 
-	DBG(3, "Video device /dev/video%d is open", cam->v4ldev->minor);
+	DBG(3, "Video device /dev/video%d is open", cam->v4ldev->num);
 
 out:
 	mutex_unlock(&cam->open_mutex);
@@ -1870,7 +1870,7 @@ static int sn9c102_release(struct inode* inode, struct file* filp)
 	cam->users--;
 	wake_up_interruptible_nr(&cam->wait_open, 1);
 
-	DBG(3, "Video device /dev/video%d closed", cam->v4ldev->minor);
+	DBG(3, "Video device /dev/video%d closed", cam->v4ldev->num);
 
 	kref_put(&cam->kref, sn9c102_release_resources);
 
@@ -2432,7 +2432,7 @@ sn9c102_vidioc_s_crop(struct sn9c102_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_CROP failed because of hardware problems. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -2445,7 +2445,7 @@ sn9c102_vidioc_s_crop(struct sn9c102_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_CROP failed because of not enough memory. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -ENOMEM;
 	}
 
@@ -2689,7 +2689,7 @@ sn9c102_vidioc_try_s_fmt(struct sn9c102_device* cam, unsigned int cmd,
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_FMT failed because of hardware problems. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -2701,7 +2701,7 @@ sn9c102_vidioc_try_s_fmt(struct sn9c102_device* cam, unsigned int cmd,
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_FMT failed because of not enough memory. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -ENOMEM;
 	}
 
@@ -2748,7 +2748,7 @@ sn9c102_vidioc_s_jpegcomp(struct sn9c102_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware "
 		       "problems. To use the camera, close and open "
-		       "/dev/video%d again.", cam->v4ldev->minor);
+		       "/dev/video%d again.", cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -3348,7 +3348,7 @@ sn9c102_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
 		goto fail;
 	}
 
-	DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->minor);
+	DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->num);
 
 	video_set_drvdata(cam->v4ldev, cam);
 	cam->module_param.force_munmap = force_munmap[dev_nr];
@@ -3402,7 +3402,7 @@ static void sn9c102_usb_disconnect(struct usb_interface* intf)
 	if (cam->users) {
 		DBG(2, "Device /dev/video%d is open! Deregistration and "
 		       "memory deallocation are deferred.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		cam->state |= DEV_MISCONFIGURED;
 		sn9c102_stop_transfer(cam);
 		cam->state |= DEV_DISCONNECTED;
diff --git a/drivers/media/video/stk-webcam.c b/drivers/media/video/stk-webcam.c
index edaea496451..e9eb6d754d5 100644
--- a/drivers/media/video/stk-webcam.c
+++ b/drivers/media/video/stk-webcam.c
@@ -1331,7 +1331,7 @@ static int stk_register_video_device(struct stk_camera *dev)
 		STK_ERROR("v4l registration failed\n");
 	else
 		STK_INFO("Syntek USB2.0 Camera is now controlling video device"
-			" /dev/video%d\n", dev->vdev.minor);
+			" /dev/video%d\n", dev->vdev.num);
 	return err;
 }
 
@@ -1426,7 +1426,7 @@ static void stk_camera_disconnect(struct usb_interface *interface)
 	stk_remove_sysfs_files(&dev->vdev);
 
 	STK_INFO("Syntek USB2.0 Camera release resources "
-		"video device /dev/video%d\n", dev->vdev.minor);
+		"video device /dev/video%d\n", dev->vdev.num);
 
 	video_unregister_device(&dev->vdev);
 }
diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c
index 9c549d93599..328c41b1517 100644
--- a/drivers/media/video/stv680.c
+++ b/drivers/media/video/stv680.c
@@ -1470,7 +1470,8 @@ static int stv680_probe (struct usb_interface *intf, const struct usb_device_id
 		retval = -EIO;
 		goto error_vdev;
 	}
-	PDEBUG (0, "STV(i): registered new video device: video%d", stv680->vdev->minor);
+	PDEBUG(0, "STV(i): registered new video device: video%d",
+		stv680->vdev->num);
 
 	usb_set_intfdata (intf, stv680);
 	retval = stv680_create_sysfs_files(stv680->vdev);
diff --git a/drivers/media/video/usbvideo/usbvideo.c b/drivers/media/video/usbvideo/usbvideo.c
index 07cd87d16f6..7c575bb8184 100644
--- a/drivers/media/video/usbvideo/usbvideo.c
+++ b/drivers/media/video/usbvideo/usbvideo.c
@@ -1059,7 +1059,7 @@ int usbvideo_RegisterVideoDevice(struct uvd *uvd)
 
 	dev_info(&uvd->dev->dev, "%s on /dev/video%d: canvas=%s videosize=%s\n",
 		 (uvd->handle != NULL) ? uvd->handle->drvName : "???",
-		 uvd->vdev.minor, tmp2, tmp1);
+		 uvd->vdev.num, tmp2, tmp1);
 
 	usb_get_dev(uvd->dev);
 	return 0;
diff --git a/drivers/media/video/usbvideo/vicam.c b/drivers/media/video/usbvideo/vicam.c
index 7a127d6bfde..8e2d58bec48 100644
--- a/drivers/media/video/usbvideo/vicam.c
+++ b/drivers/media/video/usbvideo/vicam.c
@@ -877,7 +877,8 @@ vicam_probe( struct usb_interface *intf, const struct usb_device_id *id)
 		return -EIO;
 	}
 
-	printk(KERN_INFO "ViCam webcam driver now controlling video device %d\n",cam->vdev.minor);
+	printk(KERN_INFO "ViCam webcam driver now controlling video device %d\n",
+			cam->vdev.num);
 
 	usb_set_intfdata (intf, cam);
 
diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c
index 92427fdc145..9907b9aff2b 100644
--- a/drivers/media/video/usbvision/usbvision-i2c.c
+++ b/drivers/media/video/usbvision/usbvision-i2c.c
@@ -236,7 +236,7 @@ int usbvision_i2c_register(struct usb_usbvision *usbvision)
 	       sizeof(struct i2c_client));
 
 	sprintf(usbvision->i2c_adap.name + strlen(usbvision->i2c_adap.name),
-		" #%d", usbvision->vdev->minor & 0x1f);
+		" #%d", usbvision->vdev->num);
 	PDEBUG(DBG_I2C,"Adaptername: %s", usbvision->i2c_adap.name);
 	usbvision->i2c_adap.dev.parent = &usbvision->dev->dev;
 
diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c
index 77aeb39b275..d185b57fdcd 100644
--- a/drivers/media/video/usbvision/usbvision-video.c
+++ b/drivers/media/video/usbvision/usbvision-video.c
@@ -1440,7 +1440,7 @@ static void usbvision_unregister_video(struct usb_usbvision *usbvision)
 	// vbi Device:
 	if (usbvision->vbi) {
 		PDEBUG(DBG_PROBE, "unregister /dev/vbi%d [v4l2]",
-		       usbvision->vbi->minor & 0x1f);
+		       usbvision->vbi->num);
 		if (usbvision->vbi->minor != -1) {
 			video_unregister_device(usbvision->vbi);
 		} else {
@@ -1452,7 +1452,7 @@ static void usbvision_unregister_video(struct usb_usbvision *usbvision)
 	// Radio Device:
 	if (usbvision->rdev) {
 		PDEBUG(DBG_PROBE, "unregister /dev/radio%d [v4l2]",
-		       usbvision->rdev->minor & 0x1f);
+		       usbvision->rdev->num);
 		if (usbvision->rdev->minor != -1) {
 			video_unregister_device(usbvision->rdev);
 		} else {
@@ -1464,7 +1464,7 @@ static void usbvision_unregister_video(struct usb_usbvision *usbvision)
 	// Video Device:
 	if (usbvision->vdev) {
 		PDEBUG(DBG_PROBE, "unregister /dev/video%d [v4l2]",
-		       usbvision->vdev->minor & 0x1f);
+		       usbvision->vdev->num);
 		if (usbvision->vdev->minor != -1) {
 			video_unregister_device(usbvision->vdev);
 		} else {
@@ -1490,7 +1490,7 @@ static int __devinit usbvision_register_video(struct usb_usbvision *usbvision)
 		goto err_exit;
 	}
 	printk(KERN_INFO "USBVision[%d]: registered USBVision Video device /dev/video%d [v4l2]\n",
-	       usbvision->nr,usbvision->vdev->minor & 0x1f);
+	       usbvision->nr, usbvision->vdev->num);
 
 	// Radio Device:
 	if (usbvision_device_data[usbvision->DevModel].Radio) {
@@ -1507,7 +1507,7 @@ static int __devinit usbvision_register_video(struct usb_usbvision *usbvision)
 			goto err_exit;
 		}
 		printk(KERN_INFO "USBVision[%d]: registered USBVision Radio device /dev/radio%d [v4l2]\n",
-		       usbvision->nr, usbvision->rdev->minor & 0x1f);
+		       usbvision->nr, usbvision->rdev->num);
 	}
 	// vbi Device:
 	if (usbvision_device_data[usbvision->DevModel].vbi) {
@@ -1523,7 +1523,7 @@ static int __devinit usbvision_register_video(struct usb_usbvision *usbvision)
 			goto err_exit;
 		}
 		printk(KERN_INFO "USBVision[%d]: registered USBVision VBI device /dev/vbi%d [v4l2] (Not Working Yet!)\n",
-		       usbvision->nr,usbvision->vbi->minor & 0x1f);
+		       usbvision->nr, usbvision->vbi->num);
 	}
 	// all done
 	return 0;
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 7d7e51def46..e15e48f04be 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -1163,11 +1163,11 @@ static int vivi_release(void)
 
 		if (-1 != dev->vfd->minor) {
 			printk(KERN_INFO "%s: unregistering /dev/video%d\n",
-				VIVI_MODULE_NAME, dev->vfd->minor);
+				VIVI_MODULE_NAME, dev->vfd->num);
 			video_unregister_device(dev->vfd);
 		} else {
 			printk(KERN_INFO "%s: releasing /dev/video%d\n",
-				VIVI_MODULE_NAME, dev->vfd->minor);
+				VIVI_MODULE_NAME, dev->vfd->num);
 			video_device_release(dev->vfd);
 		}
 
@@ -1307,7 +1307,7 @@ static int __init vivi_init(void)
 
 		dev->vfd = vfd;
 		printk(KERN_INFO "%s: V4L2 device registered as /dev/video%d\n",
-			VIVI_MODULE_NAME, vfd->minor);
+			VIVI_MODULE_NAME, vfd->num);
 	}
 
 	if (ret < 0) {
diff --git a/drivers/media/video/w9968cf.c b/drivers/media/video/w9968cf.c
index dcd45dbd82d..4dfb43bd184 100644
--- a/drivers/media/video/w9968cf.c
+++ b/drivers/media/video/w9968cf.c
@@ -2398,7 +2398,7 @@ error:
 	cam->sensor = CC_UNKNOWN;
 	DBG(1, "Image sensor initialization failed for %s (/dev/video%d). "
 	       "Try to detach and attach this device again",
-	    symbolic(camlist, cam->id), cam->v4ldev->minor)
+	    symbolic(camlist, cam->id), cam->v4ldev->num)
 	return err;
 }
 
@@ -2644,7 +2644,7 @@ static void w9968cf_release_resources(struct w9968cf_device* cam)
 {
 	mutex_lock(&w9968cf_devlist_mutex);
 
-	DBG(2, "V4L device deregistered: /dev/video%d", cam->v4ldev->minor)
+	DBG(2, "V4L device deregistered: /dev/video%d", cam->v4ldev->num)
 
 	video_unregister_device(cam->v4ldev);
 	list_del(&cam->v4llist);
@@ -2679,7 +2679,7 @@ static int w9968cf_open(struct inode* inode, struct file* filp)
 		DBG(2, "No supported image sensor has been detected by the "
 		       "'ovcamchip' module for the %s (/dev/video%d). Make "
 		       "sure it is loaded *before* (re)connecting the camera.",
-		    symbolic(camlist, cam->id), cam->v4ldev->minor)
+		    symbolic(camlist, cam->id), cam->v4ldev->num)
 		mutex_unlock(&cam->dev_mutex);
 		up_read(&w9968cf_disconnect);
 		return -ENODEV;
@@ -2687,7 +2687,7 @@ static int w9968cf_open(struct inode* inode, struct file* filp)
 
 	if (cam->users) {
 		DBG(2, "%s (/dev/video%d) has been already occupied by '%s'",
-		    symbolic(camlist, cam->id),cam->v4ldev->minor,cam->command)
+		    symbolic(camlist, cam->id), cam->v4ldev->num, cam->command)
 		if ((filp->f_flags & O_NONBLOCK)||(filp->f_flags & O_NDELAY)) {
 			mutex_unlock(&cam->dev_mutex);
 			up_read(&w9968cf_disconnect);
@@ -2709,7 +2709,7 @@ static int w9968cf_open(struct inode* inode, struct file* filp)
 	}
 
 	DBG(5, "Opening '%s', /dev/video%d ...",
-	    symbolic(camlist, cam->id), cam->v4ldev->minor)
+	    symbolic(camlist, cam->id), cam->v4ldev->num)
 
 	cam->streaming = 0;
 	cam->misconfigured = 0;
@@ -2947,7 +2947,7 @@ static int w9968cf_v4l_ioctl(struct inode* inode, struct file* filp,
 			.minheight = cam->minheight,
 		};
 		sprintf(cap.name, "W996[87]CF USB Camera #%d",
-			cam->v4ldev->minor);
+			cam->v4ldev->num);
 		cap.maxwidth = (cam->upscaling && w9968cf_vpp)
 			       ? max((u16)W9968CF_MAX_WIDTH, cam->maxwidth)
 				 : cam->maxwidth;
@@ -3567,7 +3567,7 @@ w9968cf_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
 		goto fail;
 	}
 
-	DBG(2, "V4L device registered as /dev/video%d", cam->v4ldev->minor)
+	DBG(2, "V4L device registered as /dev/video%d", cam->v4ldev->num)
 
 	/* Set some basic constants */
 	w9968cf_configure_camera(cam, udev, mod_id, dev_nr);
@@ -3618,7 +3618,7 @@ static void w9968cf_usb_disconnect(struct usb_interface* intf)
 			DBG(2, "The device is open (/dev/video%d)! "
 			       "Process name: %s. Deregistration and memory "
 			       "deallocation are deferred on close.",
-			    cam->v4ldev->minor, cam->command)
+			    cam->v4ldev->num, cam->command)
 			cam->misconfigured = 1;
 			w9968cf_stop_transfer(cam);
 			wake_up_interruptible(&cam->wait_queue);
diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c
index 6a0902bcba6..9fc58170763 100644
--- a/drivers/media/video/zc0301/zc0301_core.c
+++ b/drivers/media/video/zc0301/zc0301_core.c
@@ -539,7 +539,7 @@ static int zc0301_stream_interrupt(struct zc0301_device* cam)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "URB timeout reached. The camera is misconfigured. To "
 		       "use it, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -640,7 +640,7 @@ static void zc0301_release_resources(struct kref *kref)
 {
 	struct zc0301_device *cam = container_of(kref, struct zc0301_device,
 						 kref);
-	DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->minor);
+	DBG(2, "V4L2 device /dev/video%d deregistered", cam->v4ldev->num);
 	video_set_drvdata(cam->v4ldev, NULL);
 	video_unregister_device(cam->v4ldev);
 	usb_put_dev(cam->usbdev);
@@ -679,7 +679,7 @@ static int zc0301_open(struct inode* inode, struct file* filp)
 	}
 
 	if (cam->users) {
-		DBG(2, "Device /dev/video%d is busy...", cam->v4ldev->minor);
+		DBG(2, "Device /dev/video%d is busy...", cam->v4ldev->num);
 		DBG(3, "Simultaneous opens are not supported");
 		if ((filp->f_flags & O_NONBLOCK) ||
 		    (filp->f_flags & O_NDELAY)) {
@@ -722,7 +722,7 @@ static int zc0301_open(struct inode* inode, struct file* filp)
 	cam->frame_count = 0;
 	zc0301_empty_framequeues(cam);
 
-	DBG(3, "Video device /dev/video%d is open", cam->v4ldev->minor);
+	DBG(3, "Video device /dev/video%d is open", cam->v4ldev->num);
 
 out:
 	mutex_unlock(&cam->open_mutex);
@@ -746,7 +746,7 @@ static int zc0301_release(struct inode* inode, struct file* filp)
 	cam->users--;
 	wake_up_interruptible_nr(&cam->wait_open, 1);
 
-	DBG(3, "Video device /dev/video%d closed", cam->v4ldev->minor);
+	DBG(3, "Video device /dev/video%d closed", cam->v4ldev->num);
 
 	kref_put(&cam->kref, zc0301_release_resources);
 
@@ -1275,7 +1275,7 @@ zc0301_vidioc_s_crop(struct zc0301_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_CROP failed because of hardware problems. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -1288,7 +1288,7 @@ zc0301_vidioc_s_crop(struct zc0301_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_CROP failed because of not enough memory. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -ENOMEM;
 	}
 
@@ -1470,7 +1470,7 @@ zc0301_vidioc_try_s_fmt(struct zc0301_device* cam, unsigned int cmd,
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_FMT failed because of hardware problems. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -1482,7 +1482,7 @@ zc0301_vidioc_try_s_fmt(struct zc0301_device* cam, unsigned int cmd,
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_FMT failed because of not enough memory. To "
 		       "use the camera, close and open /dev/video%d again.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		return -ENOMEM;
 	}
 
@@ -1529,7 +1529,7 @@ zc0301_vidioc_s_jpegcomp(struct zc0301_device* cam, void __user * arg)
 		cam->state |= DEV_MISCONFIGURED;
 		DBG(1, "VIDIOC_S_JPEGCOMP failed because of hardware "
 		       "problems. To use the camera, close and open "
-		       "/dev/video%d again.", cam->v4ldev->minor);
+		       "/dev/video%d again.", cam->v4ldev->num);
 		return -EIO;
 	}
 
@@ -2005,7 +2005,7 @@ zc0301_usb_probe(struct usb_interface* intf, const struct usb_device_id* id)
 		goto fail;
 	}
 
-	DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->minor);
+	DBG(2, "V4L2 device registered as /dev/video%d", cam->v4ldev->num);
 
 	cam->module_param.force_munmap = force_munmap[dev_nr];
 	cam->module_param.frame_timeout = frame_timeout[dev_nr];
@@ -2044,7 +2044,7 @@ static void zc0301_usb_disconnect(struct usb_interface* intf)
 	if (cam->users) {
 		DBG(2, "Device /dev/video%d is open! Deregistration and "
 		       "memory deallocation are deferred.",
-		    cam->v4ldev->minor);
+		    cam->v4ldev->num);
 		cam->state |= DEV_MISCONFIGURED;
 		zc0301_stop_transfer(cam);
 		cam->state |= DEV_DISCONNECTED;
diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c
index 7cdac99deea..a1d81ed44c7 100644
--- a/drivers/media/video/zr364xx.c
+++ b/drivers/media/video/zr364xx.c
@@ -885,7 +885,7 @@ static int zr364xx_probe(struct usb_interface *intf,
 	usb_set_intfdata(intf, cam);
 
 	dev_info(&udev->dev, DRIVER_DESC " controlling video device %d\n",
-		 cam->vdev->minor);
+		 cam->vdev->num);
 	return 0;
 }
 
-- 
GitLab


From 4e7ca40dbff522691b13dd9b5ed41891e6c68e1a Mon Sep 17 00:00:00 2001
From: Ian Armstrong <ian@iarmst.demon.co.uk>
Date: Sun, 19 Oct 2008 18:58:26 -0300
Subject: [PATCH 1724/2224] V4L/DVB (9328): ivtvfb: FB_BLANK_POWERDOWN turns
 off video output

When using FBIOBLANK, FB_BLANK_POWERDOWN will now switch off the video output.
Since some televisions turn themselves off after a while with no signal, this
is the closest we can get to power-saving.

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ivtv/ivtv-i2c.c | 1 +
 drivers/media/video/ivtv/ivtvfb.c   | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c
index 24700c211d5..41dbbe9621a 100644
--- a/drivers/media/video/ivtv/ivtv-i2c.c
+++ b/drivers/media/video/ivtv/ivtv-i2c.c
@@ -726,6 +726,7 @@ int ivtv_saa7127(struct ivtv *itv, unsigned int cmd, void *arg)
 {
 	return ivtv_call_i2c_client(itv, IVTV_SAA7127_I2C_ADDR, cmd, arg);
 }
+EXPORT_SYMBOL(ivtv_saa7127);
 
 int ivtv_saa717x(struct ivtv *itv, unsigned int cmd, void *arg)
 {
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c
index 8a4a150b12f..921e281876f 100644
--- a/drivers/media/video/ivtv/ivtvfb.c
+++ b/drivers/media/video/ivtv/ivtvfb.c
@@ -48,6 +48,7 @@
 #endif
 
 #include "ivtv-driver.h"
+#include "ivtv-i2c.h"
 #include "ivtv-udma.h"
 #include "ivtv-mailbox.h"
 
@@ -894,11 +895,16 @@ static int ivtvfb_blank(int blank_mode, struct fb_info *info)
 	switch (blank_mode) {
 	case FB_BLANK_UNBLANK:
 		ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 1);
+		ivtv_saa7127(itv, VIDIOC_STREAMON, NULL);
 		break;
 	case FB_BLANK_NORMAL:
 	case FB_BLANK_HSYNC_SUSPEND:
 	case FB_BLANK_VSYNC_SUSPEND:
+		ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0);
+		ivtv_saa7127(itv, VIDIOC_STREAMON, NULL);
+		break;
 	case FB_BLANK_POWERDOWN:
+		ivtv_saa7127(itv, VIDIOC_STREAMOFF, NULL);
 		ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, 0);
 		break;
 	}
-- 
GitLab


From b1f88407f3767f924cae1d521e815e568996a4ef Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Tue, 21 Oct 2008 11:27:20 -0300
Subject: [PATCH 1725/2224] V4L/DVB (9330): Get rid of inode parameter at
 v4l_compat_translate_ioctl()

The inode parameter at v4l_compat_translate_ioctl() were just passed over several
places just to keep compatible with fops.ioctl. However, it weren't used anywere.

This patch gets hid of this unused parameter.

Cc: Laurent Pinchart <laurent.pinchart@skynet.be>
Cc: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/common/saa7146_video.c       |  12 +-
 drivers/media/video/pvrusb2/pvrusb2-v4l2.c |  11 +-
 drivers/media/video/uvc/uvc_v4l2.c         |  12 +-
 drivers/media/video/v4l1-compat.c          | 221 +++++++++------------
 drivers/media/video/v4l2-ioctl.c           |   6 +-
 include/media/v4l2-ioctl.h                 |   6 +-
 6 files changed, 130 insertions(+), 138 deletions(-)

diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c
index 99be9e5c85f..fe0bd55977e 100644
--- a/drivers/media/common/saa7146_video.c
+++ b/drivers/media/common/saa7146_video.c
@@ -834,7 +834,7 @@ static int video_end(struct saa7146_fh *fh, struct file *file)
  * copying is done already, arg is a kernel pointer.
  */
 
-int saa7146_video_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg)
+static int __saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 {
 	struct saa7146_fh *fh  = file->private_data;
 	struct saa7146_dev *dev = fh->dev;
@@ -1215,12 +1215,18 @@ int saa7146_video_do_ioctl(struct inode *inode, struct file *file, unsigned int
 	}
 #endif
 	default:
-		return v4l_compat_translate_ioctl(inode,file,cmd,arg,
-						  saa7146_video_do_ioctl);
+		return v4l_compat_translate_ioctl(file, cmd, arg,
+						  __saa7146_video_do_ioctl);
 	}
 	return 0;
 }
 
+int saa7146_video_do_ioctl(struct inode *inode, struct file *file,
+				    unsigned int cmd, void *arg)
+{
+	return __saa7146_video_do_ioctl(file, cmd, arg);
+}
+
 /*********************************************************************************/
 /* buffer handling functions                                                  */
 
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 43ef7ba75c8..97ed9595799 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -168,7 +168,7 @@ static const char *get_v4l_name(int v4l_type)
  * This is part of Video 4 Linux API. The procedure handles ioctl() calls.
  *
  */
-static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
+static int __pvr2_v4l2_do_ioctl(struct file *file,
 			      unsigned int cmd, void *arg)
 {
 	struct pvr2_v4l2_fh *fh = file->private_data;
@@ -863,8 +863,8 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
 #endif
 
 	default :
-		ret = v4l_compat_translate_ioctl(inode,file,cmd,
-						 arg,pvr2_v4l2_do_ioctl);
+		ret = v4l_compat_translate_ioctl(file, cmd,
+						 arg, __pvr2_v4l2_do_ioctl);
 	}
 
 	pvr2_hdw_commit_ctl(hdw);
@@ -890,6 +890,11 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
 	return ret;
 }
 
+static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
+			      unsigned int cmd, void *arg)
+{
+	return __pvr2_v4l2_do_ioctl(file, cmd, arg);
+}
 
 static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
 {
diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c
index 78e4c4e09d8..758dfefaba8 100644
--- a/drivers/media/video/uvc/uvc_v4l2.c
+++ b/drivers/media/video/uvc/uvc_v4l2.c
@@ -464,7 +464,7 @@ static int uvc_v4l2_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static int uvc_v4l2_do_ioctl(struct inode *inode, struct file *file,
+static int __uvc_v4l2_do_ioctl(struct file *file,
 		     unsigned int cmd, void *arg)
 {
 	struct video_device *vdev = video_devdata(file);
@@ -978,8 +978,8 @@ static int uvc_v4l2_do_ioctl(struct inode *inode, struct file *file,
 		return uvc_xu_ctrl_query(video, arg, 1);
 
 	default:
-		if ((ret = v4l_compat_translate_ioctl(inode, file, cmd, arg,
-			uvc_v4l2_do_ioctl)) == -ENOIOCTLCMD)
+		if ((ret = v4l_compat_translate_ioctl(file, cmd, arg,
+			__uvc_v4l2_do_ioctl)) == -ENOIOCTLCMD)
 			uvc_trace(UVC_TRACE_IOCTL, "Unknown ioctl 0x%08x\n",
 				  cmd);
 		return ret;
@@ -988,6 +988,12 @@ static int uvc_v4l2_do_ioctl(struct inode *inode, struct file *file,
 	return ret;
 }
 
+static int uvc_v4l2_do_ioctl(struct inode *inode, struct file *file,
+			      unsigned int cmd, void *arg)
+{
+	return __uvc_v4l2_do_ioctl(file, cmd, arg);
+}
+
 static int uvc_v4l2_ioctl(struct inode *inode, struct file *file,
 		     unsigned int cmd, unsigned long arg)
 {
diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c
index 928cb403737..f13c0a9d684 100644
--- a/drivers/media/video/v4l1-compat.c
+++ b/drivers/media/video/v4l1-compat.c
@@ -57,8 +57,7 @@ MODULE_LICENSE("GPL");
  */
 
 static int
-get_v4l_control(struct inode            *inode,
-		struct file             *file,
+get_v4l_control(struct file             *file,
 		int			cid,
 		v4l2_kioctl             drv)
 {
@@ -67,12 +66,12 @@ get_v4l_control(struct inode            *inode,
 	int			err;
 
 	qctrl2.id = cid;
-	err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
+	err = drv(file, VIDIOC_QUERYCTRL, &qctrl2);
 	if (err < 0)
 		dprintk("VIDIOC_QUERYCTRL: %d\n", err);
 	if (err == 0 && !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) {
 		ctrl2.id = qctrl2.id;
-		err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2);
+		err = drv(file, VIDIOC_G_CTRL, &ctrl2);
 		if (err < 0) {
 			dprintk("VIDIOC_G_CTRL: %d\n", err);
 			return 0;
@@ -85,8 +84,7 @@ get_v4l_control(struct inode            *inode,
 }
 
 static int
-set_v4l_control(struct inode            *inode,
-		struct file             *file,
+set_v4l_control(struct file             *file,
 		int			cid,
 		int			value,
 		v4l2_kioctl             drv)
@@ -96,7 +94,7 @@ set_v4l_control(struct inode            *inode,
 	int			err;
 
 	qctrl2.id = cid;
-	err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
+	err = drv(file, VIDIOC_QUERYCTRL, &qctrl2);
 	if (err < 0)
 		dprintk("VIDIOC_QUERYCTRL: %d\n", err);
 	if (err == 0 &&
@@ -114,7 +112,7 @@ set_v4l_control(struct inode            *inode,
 			 + 32767)
 			/ 65535;
 		ctrl2.value += qctrl2.minimum;
-		err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2);
+		err = drv(file, VIDIOC_S_CTRL, &ctrl2);
 		if (err < 0)
 			dprintk("VIDIOC_S_CTRL: %d\n", err);
 	}
@@ -222,7 +220,6 @@ static int poll_one(struct file *file, struct poll_wqueues *pwq)
 }
 
 static int count_inputs(
-			struct inode *inode,
 			struct file *file,
 			v4l2_kioctl drv)
 {
@@ -232,14 +229,13 @@ static int count_inputs(
 	for (i = 0;; i++) {
 		memset(&input2, 0, sizeof(input2));
 		input2.index = i;
-		if (0 != drv(inode, file, VIDIOC_ENUMINPUT, &input2))
+		if (0 != drv(file, VIDIOC_ENUMINPUT, &input2))
 			break;
 	}
 	return i;
 }
 
 static int check_size(
-		struct inode *inode,
 		struct file *file,
 		v4l2_kioctl drv,
 		int *maxw,
@@ -252,14 +248,14 @@ static int check_size(
 	memset(&fmt2, 0, sizeof(fmt2));
 
 	desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	if (0 != drv(inode, file, VIDIOC_ENUM_FMT, &desc2))
+	if (0 != drv(file, VIDIOC_ENUM_FMT, &desc2))
 		goto done;
 
 	fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 	fmt2.fmt.pix.width       = 10000;
 	fmt2.fmt.pix.height      = 10000;
 	fmt2.fmt.pix.pixelformat = desc2.pixelformat;
-	if (0 != drv(inode, file, VIDIOC_TRY_FMT, &fmt2))
+	if (0 != drv(file, VIDIOC_TRY_FMT, &fmt2))
 		goto done;
 
 	*maxw = fmt2.fmt.pix.width;
@@ -273,7 +269,6 @@ done:
 
 static noinline int v4l1_compat_get_capabilities(
 					struct video_capability *cap,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -289,13 +284,13 @@ static noinline int v4l1_compat_get_capabilities(
 	memset(cap, 0, sizeof(*cap));
 	memset(&fbuf, 0, sizeof(fbuf));
 
-	err = drv(inode, file, VIDIOC_QUERYCAP, cap2);
+	err = drv(file, VIDIOC_QUERYCAP, cap2);
 	if (err < 0) {
 		dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n", err);
 		goto done;
 	}
 	if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
-		err = drv(inode, file, VIDIOC_G_FBUF, &fbuf);
+		err = drv(file, VIDIOC_G_FBUF, &fbuf);
 		if (err < 0) {
 			dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n", err);
 			memset(&fbuf, 0, sizeof(fbuf));
@@ -317,8 +312,8 @@ static noinline int v4l1_compat_get_capabilities(
 	if (fbuf.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
 		cap->type |= VID_TYPE_CLIPPING;
 
-	cap->channels  = count_inputs(inode, file, drv);
-	check_size(inode, file, drv,
+	cap->channels  = count_inputs(file, drv);
+	check_size(file, drv,
 		   &cap->maxwidth, &cap->maxheight);
 	cap->audios    =  0; /* FIXME */
 	cap->minwidth  = 48; /* FIXME */
@@ -331,7 +326,6 @@ done:
 
 static noinline int v4l1_compat_get_frame_buffer(
 					struct video_buffer *buffer,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -341,7 +335,7 @@ static noinline int v4l1_compat_get_frame_buffer(
 	memset(buffer, 0, sizeof(*buffer));
 	memset(&fbuf, 0, sizeof(fbuf));
 
-	err = drv(inode, file, VIDIOC_G_FBUF, &fbuf);
+	err = drv(file, VIDIOC_G_FBUF, &fbuf);
 	if (err < 0) {
 		dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n", err);
 		goto done;
@@ -386,7 +380,6 @@ done:
 
 static noinline int v4l1_compat_set_frame_buffer(
 					struct video_buffer *buffer,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -415,7 +408,7 @@ static noinline int v4l1_compat_set_frame_buffer(
 		break;
 	}
 	fbuf.fmt.bytesperline = buffer->bytesperline;
-	err = drv(inode, file, VIDIOC_S_FBUF, &fbuf);
+	err = drv(file, VIDIOC_S_FBUF, &fbuf);
 	if (err < 0)
 		dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n", err);
 	return err;
@@ -423,7 +416,6 @@ static noinline int v4l1_compat_set_frame_buffer(
 
 static noinline int v4l1_compat_get_win_cap_dimensions(
 					struct video_window *win,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -438,7 +430,7 @@ static noinline int v4l1_compat_get_win_cap_dimensions(
 	memset(win, 0, sizeof(*win));
 
 	fmt->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
-	err = drv(inode, file, VIDIOC_G_FMT, fmt);
+	err = drv(file, VIDIOC_G_FMT, fmt);
 	if (err < 0)
 		dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n", err);
 	if (err == 0) {
@@ -453,7 +445,7 @@ static noinline int v4l1_compat_get_win_cap_dimensions(
 	}
 
 	fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	err = drv(inode, file, VIDIOC_G_FMT, fmt);
+	err = drv(file, VIDIOC_G_FMT, fmt);
 	if (err < 0) {
 		dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n", err);
 		goto done;
@@ -472,7 +464,6 @@ done:
 
 static noinline int v4l1_compat_set_win_cap_dimensions(
 					struct video_window *win,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -485,8 +476,8 @@ static noinline int v4l1_compat_set_win_cap_dimensions(
 		return err;
 	}
 	fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	drv(inode, file, VIDIOC_STREAMOFF, &fmt->type);
-	err1 = drv(inode, file, VIDIOC_G_FMT, fmt);
+	drv(file, VIDIOC_STREAMOFF, &fmt->type);
+	err1 = drv(file, VIDIOC_G_FMT, fmt);
 	if (err1 < 0)
 		dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n", err1);
 	if (err1 == 0) {
@@ -494,7 +485,7 @@ static noinline int v4l1_compat_set_win_cap_dimensions(
 		fmt->fmt.pix.height = win->height;
 		fmt->fmt.pix.field  = V4L2_FIELD_ANY;
 		fmt->fmt.pix.bytesperline = 0;
-		err = drv(inode, file, VIDIOC_S_FMT, fmt);
+		err = drv(file, VIDIOC_S_FMT, fmt);
 		if (err < 0)
 			dprintk("VIDIOCSWIN / VIDIOC_S_FMT #1: %d\n",
 				err);
@@ -511,7 +502,7 @@ static noinline int v4l1_compat_set_win_cap_dimensions(
 	fmt->fmt.win.chromakey = win->chromakey;
 	fmt->fmt.win.clips     = (void __user *)win->clips;
 	fmt->fmt.win.clipcount = win->clipcount;
-	err2 = drv(inode, file, VIDIOC_S_FMT, fmt);
+	err2 = drv(file, VIDIOC_S_FMT, fmt);
 	if (err2 < 0)
 		dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n", err2);
 
@@ -525,7 +516,6 @@ static noinline int v4l1_compat_set_win_cap_dimensions(
 
 static noinline int v4l1_compat_turn_preview_on_off(
 					int *on,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -536,9 +526,9 @@ static noinline int v4l1_compat_turn_preview_on_off(
 		/* dirty hack time.  But v4l1 has no STREAMOFF
 		 * equivalent in the API, and this one at
 		 * least comes close ... */
-		drv(inode, file, VIDIOC_STREAMOFF, &captype);
+		drv(file, VIDIOC_STREAMOFF, &captype);
 	}
-	err = drv(inode, file, VIDIOC_OVERLAY, on);
+	err = drv(file, VIDIOC_OVERLAY, on);
 	if (err < 0)
 		dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n", err);
 	return err;
@@ -546,7 +536,6 @@ static noinline int v4l1_compat_turn_preview_on_off(
 
 static noinline int v4l1_compat_get_input_info(
 					struct video_channel *chan,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -556,7 +545,7 @@ static noinline int v4l1_compat_get_input_info(
 
 	memset(&input2, 0, sizeof(input2));
 	input2.index = chan->channel;
-	err = drv(inode, file, VIDIOC_ENUMINPUT, &input2);
+	err = drv(file, VIDIOC_ENUMINPUT, &input2);
 	if (err < 0) {
 		dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
 			"channel=%d err=%d\n", chan->channel, err);
@@ -578,7 +567,7 @@ static noinline int v4l1_compat_get_input_info(
 		break;
 	}
 	chan->norm = 0;
-	err = drv(inode, file, VIDIOC_G_STD, &sid);
+	err = drv(file, VIDIOC_G_STD, &sid);
 	if (err < 0)
 		dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n", err);
 	if (err == 0) {
@@ -595,14 +584,13 @@ done:
 
 static noinline int v4l1_compat_set_input(
 					struct video_channel *chan,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
 	int err;
 	v4l2_std_id sid = 0;
 
-	err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel);
+	err = drv(file, VIDIOC_S_INPUT, &chan->channel);
 	if (err < 0)
 		dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n", err);
 	switch (chan->norm) {
@@ -617,7 +605,7 @@ static noinline int v4l1_compat_set_input(
 		break;
 	}
 	if (0 != sid) {
-		err = drv(inode, file, VIDIOC_S_STD, &sid);
+		err = drv(file, VIDIOC_S_STD, &sid);
 		if (err < 0)
 			dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n", err);
 	}
@@ -626,7 +614,6 @@ static noinline int v4l1_compat_set_input(
 
 static noinline int v4l1_compat_get_picture(
 					struct video_picture *pict,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -639,19 +626,19 @@ static noinline int v4l1_compat_get_picture(
 		return err;
 	}
 
-	pict->brightness = get_v4l_control(inode, file,
+	pict->brightness = get_v4l_control(file,
 					   V4L2_CID_BRIGHTNESS, drv);
-	pict->hue = get_v4l_control(inode, file,
+	pict->hue = get_v4l_control(file,
 				    V4L2_CID_HUE, drv);
-	pict->contrast = get_v4l_control(inode, file,
+	pict->contrast = get_v4l_control(file,
 					 V4L2_CID_CONTRAST, drv);
-	pict->colour = get_v4l_control(inode, file,
+	pict->colour = get_v4l_control(file,
 				       V4L2_CID_SATURATION, drv);
-	pict->whiteness = get_v4l_control(inode, file,
+	pict->whiteness = get_v4l_control(file,
 					  V4L2_CID_WHITENESS, drv);
 
 	fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	err = drv(inode, file, VIDIOC_G_FMT, fmt);
+	err = drv(file, VIDIOC_G_FMT, fmt);
 	if (err < 0) {
 		dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n", err);
 		goto done;
@@ -669,7 +656,6 @@ done:
 
 static noinline int v4l1_compat_set_picture(
 					struct video_picture *pict,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -685,15 +671,15 @@ static noinline int v4l1_compat_set_picture(
 	}
 	memset(&fbuf, 0, sizeof(fbuf));
 
-	set_v4l_control(inode, file,
+	set_v4l_control(file,
 			V4L2_CID_BRIGHTNESS, pict->brightness, drv);
-	set_v4l_control(inode, file,
+	set_v4l_control(file,
 			V4L2_CID_HUE, pict->hue, drv);
-	set_v4l_control(inode, file,
+	set_v4l_control(file,
 			V4L2_CID_CONTRAST, pict->contrast, drv);
-	set_v4l_control(inode, file,
+	set_v4l_control(file,
 			V4L2_CID_SATURATION, pict->colour, drv);
-	set_v4l_control(inode, file,
+	set_v4l_control(file,
 			V4L2_CID_WHITENESS, pict->whiteness, drv);
 	/*
 	 * V4L1 uses this ioctl to set both memory capture and overlay
@@ -703,7 +689,7 @@ static noinline int v4l1_compat_set_picture(
 	 */
 
 	fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	err = drv(inode, file, VIDIOC_G_FMT, fmt);
+	err = drv(file, VIDIOC_G_FMT, fmt);
 	/* If VIDIOC_G_FMT failed, then the driver likely doesn't
 	   support memory capture.  Trying to set the memory capture
 	   parameters would be pointless.  */
@@ -714,13 +700,13 @@ static noinline int v4l1_compat_set_picture(
 		 palette_to_pixelformat(pict->palette)) {
 		fmt->fmt.pix.pixelformat = palette_to_pixelformat(
 			pict->palette);
-		mem_err = drv(inode, file, VIDIOC_S_FMT, fmt);
+		mem_err = drv(file, VIDIOC_S_FMT, fmt);
 		if (mem_err < 0)
 			dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
 				mem_err);
 	}
 
-	err = drv(inode, file, VIDIOC_G_FBUF, &fbuf);
+	err = drv(file, VIDIOC_G_FBUF, &fbuf);
 	/* If VIDIOC_G_FBUF failed, then the driver likely doesn't
 	   support overlay.  Trying to set the overlay parameters
 	   would be quite pointless.  */
@@ -731,7 +717,7 @@ static noinline int v4l1_compat_set_picture(
 		 palette_to_pixelformat(pict->palette)) {
 		fbuf.fmt.pixelformat = palette_to_pixelformat(
 			pict->palette);
-		ovl_err = drv(inode, file, VIDIOC_S_FBUF, &fbuf);
+		ovl_err = drv(file, VIDIOC_S_FBUF, &fbuf);
 		if (ovl_err < 0)
 			dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
 				ovl_err);
@@ -752,7 +738,6 @@ static noinline int v4l1_compat_set_picture(
 
 static noinline int v4l1_compat_get_tuner(
 					struct video_tuner *tun,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -762,7 +747,7 @@ static noinline int v4l1_compat_get_tuner(
 	v4l2_std_id    		sid;
 
 	memset(&tun2, 0, sizeof(tun2));
-	err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
+	err = drv(file, VIDIOC_G_TUNER, &tun2);
 	if (err < 0) {
 		dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n", err);
 		goto done;
@@ -778,7 +763,7 @@ static noinline int v4l1_compat_get_tuner(
 	for (i = 0; i < 64; i++) {
 		memset(&std2, 0, sizeof(std2));
 		std2.index = i;
-		if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2))
+		if (0 != drv(file, VIDIOC_ENUMSTD, &std2))
 			break;
 		if (std2.id & V4L2_STD_PAL)
 			tun->flags |= VIDEO_TUNER_PAL;
@@ -788,7 +773,7 @@ static noinline int v4l1_compat_get_tuner(
 			tun->flags |= VIDEO_TUNER_SECAM;
 	}
 
-	err = drv(inode, file, VIDIOC_G_STD, &sid);
+	err = drv(file, VIDIOC_G_STD, &sid);
 	if (err < 0)
 		dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n", err);
 	if (err == 0) {
@@ -811,7 +796,6 @@ done:
 
 static noinline int v4l1_compat_select_tuner(
 					struct video_tuner *tun,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -821,7 +805,7 @@ static noinline int v4l1_compat_select_tuner(
 
 	t.index = tun->tuner;
 
-	err = drv(inode, file, VIDIOC_S_INPUT, &t);
+	err = drv(file, VIDIOC_S_INPUT, &t);
 	if (err < 0)
 		dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n", err);
 	return err;
@@ -829,7 +813,6 @@ static noinline int v4l1_compat_select_tuner(
 
 static noinline int v4l1_compat_get_frequency(
 					unsigned long *freq,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -838,7 +821,7 @@ static noinline int v4l1_compat_get_frequency(
 	memset(&freq2, 0, sizeof(freq2));
 
 	freq2.tuner = 0;
-	err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
+	err = drv(file, VIDIOC_G_FREQUENCY, &freq2);
 	if (err < 0)
 		dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n", err);
 	if (0 == err)
@@ -848,7 +831,6 @@ static noinline int v4l1_compat_get_frequency(
 
 static noinline int v4l1_compat_set_frequency(
 					unsigned long *freq,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -856,9 +838,9 @@ static noinline int v4l1_compat_set_frequency(
 	struct v4l2_frequency   freq2;
 	memset(&freq2, 0, sizeof(freq2));
 
-	drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
+	drv(file, VIDIOC_G_FREQUENCY, &freq2);
 	freq2.frequency = *freq;
-	err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2);
+	err = drv(file, VIDIOC_S_FREQUENCY, &freq2);
 	if (err < 0)
 		dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n", err);
 	return err;
@@ -866,7 +848,6 @@ static noinline int v4l1_compat_set_frequency(
 
 static noinline int v4l1_compat_get_audio(
 					struct video_audio *aud,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -876,7 +857,7 @@ static noinline int v4l1_compat_get_audio(
 	struct v4l2_tuner	tun2;
 	memset(&aud2, 0, sizeof(aud2));
 
-	err = drv(inode, file, VIDIOC_G_AUDIO, &aud2);
+	err = drv(file, VIDIOC_G_AUDIO, &aud2);
 	if (err < 0) {
 		dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n", err);
 		goto done;
@@ -886,27 +867,27 @@ static noinline int v4l1_compat_get_audio(
 	aud->name[sizeof(aud->name) - 1] = 0;
 	aud->audio = aud2.index;
 	aud->flags = 0;
-	i = get_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME, drv);
+	i = get_v4l_control(file, V4L2_CID_AUDIO_VOLUME, drv);
 	if (i >= 0) {
 		aud->volume = i;
 		aud->flags |= VIDEO_AUDIO_VOLUME;
 	}
-	i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BASS, drv);
+	i = get_v4l_control(file, V4L2_CID_AUDIO_BASS, drv);
 	if (i >= 0) {
 		aud->bass = i;
 		aud->flags |= VIDEO_AUDIO_BASS;
 	}
-	i = get_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE, drv);
+	i = get_v4l_control(file, V4L2_CID_AUDIO_TREBLE, drv);
 	if (i >= 0) {
 		aud->treble = i;
 		aud->flags |= VIDEO_AUDIO_TREBLE;
 	}
-	i = get_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE, drv);
+	i = get_v4l_control(file, V4L2_CID_AUDIO_BALANCE, drv);
 	if (i >= 0) {
 		aud->balance = i;
 		aud->flags |= VIDEO_AUDIO_BALANCE;
 	}
-	i = get_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE, drv);
+	i = get_v4l_control(file, V4L2_CID_AUDIO_MUTE, drv);
 	if (i >= 0) {
 		if (i)
 			aud->flags |= VIDEO_AUDIO_MUTE;
@@ -914,13 +895,13 @@ static noinline int v4l1_compat_get_audio(
 	}
 	aud->step = 1;
 	qctrl2.id = V4L2_CID_AUDIO_VOLUME;
-	if (drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
+	if (drv(file, VIDIOC_QUERYCTRL, &qctrl2) == 0 &&
 	    !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
 		aud->step = qctrl2.step;
 	aud->mode = 0;
 
 	memset(&tun2, 0, sizeof(tun2));
-	err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
+	err = drv(file, VIDIOC_G_TUNER, &tun2);
 	if (err < 0) {
 		dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n", err);
 		err = 0;
@@ -939,7 +920,6 @@ done:
 
 static noinline int v4l1_compat_set_audio(
 					struct video_audio *aud,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -951,24 +931,24 @@ static noinline int v4l1_compat_set_audio(
 	memset(&tun2, 0, sizeof(tun2));
 
 	aud2.index = aud->audio;
-	err = drv(inode, file, VIDIOC_S_AUDIO, &aud2);
+	err = drv(file, VIDIOC_S_AUDIO, &aud2);
 	if (err < 0) {
 		dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n", err);
 		goto done;
 	}
 
-	set_v4l_control(inode, file, V4L2_CID_AUDIO_VOLUME,
+	set_v4l_control(file, V4L2_CID_AUDIO_VOLUME,
 			aud->volume, drv);
-	set_v4l_control(inode, file, V4L2_CID_AUDIO_BASS,
+	set_v4l_control(file, V4L2_CID_AUDIO_BASS,
 			aud->bass, drv);
-	set_v4l_control(inode, file, V4L2_CID_AUDIO_TREBLE,
+	set_v4l_control(file, V4L2_CID_AUDIO_TREBLE,
 			aud->treble, drv);
-	set_v4l_control(inode, file, V4L2_CID_AUDIO_BALANCE,
+	set_v4l_control(file, V4L2_CID_AUDIO_BALANCE,
 			aud->balance, drv);
-	set_v4l_control(inode, file, V4L2_CID_AUDIO_MUTE,
+	set_v4l_control(file, V4L2_CID_AUDIO_MUTE,
 			!!(aud->flags & VIDEO_AUDIO_MUTE), drv);
 
-	err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
+	err = drv(file, VIDIOC_G_TUNER, &tun2);
 	if (err < 0)
 		dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n", err);
 	if (err == 0) {
@@ -985,7 +965,7 @@ static noinline int v4l1_compat_set_audio(
 			tun2.audmode = V4L2_TUNER_MODE_LANG2;
 			break;
 		}
-		err = drv(inode, file, VIDIOC_S_TUNER, &tun2);
+		err = drv(file, VIDIOC_S_TUNER, &tun2);
 		if (err < 0)
 			dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n", err);
 	}
@@ -996,7 +976,6 @@ done:
 
 static noinline int v4l1_compat_capture_frame(
 					struct video_mmap *mm,
-					struct inode *inode,
 					struct file *file,
 					v4l2_kioctl drv)
 {
@@ -1013,7 +992,7 @@ static noinline int v4l1_compat_capture_frame(
 	memset(&buf, 0, sizeof(buf));
 
 	fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	err = drv(inode, file, VIDIOC_G_FMT, fmt);
+	err = drv(file, VIDIOC_G_FMT, fmt);
 	if (err < 0) {
 		dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n", err);
 		goto done;
@@ -1029,7 +1008,7 @@ static noinline int v4l1_compat_capture_frame(
 			palette_to_pixelformat(mm->format);
 		fmt->fmt.pix.field = V4L2_FIELD_ANY;
 		fmt->fmt.pix.bytesperline = 0;
-		err = drv(inode, file, VIDIOC_S_FMT, fmt);
+		err = drv(file, VIDIOC_S_FMT, fmt);
 		if (err < 0) {
 			dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n", err);
 			goto done;
@@ -1037,17 +1016,17 @@ static noinline int v4l1_compat_capture_frame(
 	}
 	buf.index = mm->frame;
 	buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	err = drv(inode, file, VIDIOC_QUERYBUF, &buf);
+	err = drv(file, VIDIOC_QUERYBUF, &buf);
 	if (err < 0) {
 		dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n", err);
 		goto done;
 	}
-	err = drv(inode, file, VIDIOC_QBUF, &buf);
+	err = drv(file, VIDIOC_QBUF, &buf);
 	if (err < 0) {
 		dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n", err);
 		goto done;
 	}
-	err = drv(inode, file, VIDIOC_STREAMON, &captype);
+	err = drv(file, VIDIOC_STREAMON, &captype);
 	if (err < 0)
 		dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n", err);
 done:
@@ -1057,7 +1036,6 @@ done:
 
 static noinline int v4l1_compat_sync(
 				int *i,
-				struct inode *inode,
 				struct file *file,
 				v4l2_kioctl drv)
 {
@@ -1069,7 +1047,7 @@ static noinline int v4l1_compat_sync(
 	memset(&buf, 0, sizeof(buf));
 	buf.index = *i;
 	buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-	err = drv(inode, file, VIDIOC_QUERYBUF, &buf);
+	err = drv(file, VIDIOC_QUERYBUF, &buf);
 	if (err < 0) {
 		/*  No such buffer */
 		dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err);
@@ -1082,7 +1060,7 @@ static noinline int v4l1_compat_sync(
 	}
 
 	/* make sure capture actually runs so we don't block forever */
-	err = drv(inode, file, VIDIOC_STREAMON, &captype);
+	err = drv(file, VIDIOC_STREAMON, &captype);
 	if (err < 0) {
 		dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n", err);
 		goto done;
@@ -1096,7 +1074,7 @@ static noinline int v4l1_compat_sync(
 		if (err < 0 ||	/* error or sleep was interrupted  */
 		    err == 0)	/* timeout? Shouldn't occur.  */
 			break;
-		err = drv(inode, file, VIDIOC_QUERYBUF, &buf);
+		err = drv(file, VIDIOC_QUERYBUF, &buf);
 		if (err < 0)
 			dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err);
 	}
@@ -1104,7 +1082,7 @@ static noinline int v4l1_compat_sync(
 	if (!(buf.flags & V4L2_BUF_FLAG_DONE)) /* not done */
 		goto done;
 	do {
-		err = drv(inode, file, VIDIOC_DQBUF, &buf);
+		err = drv(file, VIDIOC_DQBUF, &buf);
 		if (err < 0)
 			dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n", err);
 	} while (err == 0 && buf.index != *i);
@@ -1114,7 +1092,6 @@ done:
 
 static noinline int v4l1_compat_get_vbi_format(
 				struct vbi_format *fmt,
-				struct inode *inode,
 				struct file *file,
 				v4l2_kioctl drv)
 {
@@ -1128,7 +1105,7 @@ static noinline int v4l1_compat_get_vbi_format(
 	}
 	fmt2->type = V4L2_BUF_TYPE_VBI_CAPTURE;
 
-	err = drv(inode, file, VIDIOC_G_FMT, fmt2);
+	err = drv(file, VIDIOC_G_FMT, fmt2);
 	if (err < 0) {
 		dprintk("VIDIOCGVBIFMT / VIDIOC_G_FMT: %d\n", err);
 		goto done;
@@ -1153,7 +1130,6 @@ done:
 
 static noinline int v4l1_compat_set_vbi_format(
 				struct vbi_format *fmt,
-				struct inode *inode,
 				struct file *file,
 				v4l2_kioctl drv)
 {
@@ -1179,7 +1155,7 @@ static noinline int v4l1_compat_set_vbi_format(
 	fmt2->fmt.vbi.start[1]         = fmt->start[1];
 	fmt2->fmt.vbi.count[1]         = fmt->count[1];
 	fmt2->fmt.vbi.flags            = fmt->flags;
-	err = drv(inode, file, VIDIOC_TRY_FMT, fmt2);
+	err = drv(file, VIDIOC_TRY_FMT, fmt2);
 	if (err < 0) {
 		dprintk("VIDIOCSVBIFMT / VIDIOC_TRY_FMT: %d\n", err);
 		goto done;
@@ -1196,7 +1172,7 @@ static noinline int v4l1_compat_set_vbi_format(
 		err = -EINVAL;
 		goto done;
 	}
-	err = drv(inode, file, VIDIOC_S_FMT, fmt2);
+	err = drv(file, VIDIOC_S_FMT, fmt2);
 	if (err < 0)
 		dprintk("VIDIOCSVBIFMT / VIDIOC_S_FMT: %d\n", err);
 done:
@@ -1208,8 +1184,7 @@ done:
  *	This function is exported.
  */
 int
-v4l_compat_translate_ioctl(struct inode         *inode,
-			   struct file		*file,
+v4l_compat_translate_ioctl(struct file		*file,
 			   int			cmd,
 			   void			*arg,
 			   v4l2_kioctl          drv)
@@ -1218,64 +1193,64 @@ v4l_compat_translate_ioctl(struct inode         *inode,
 
 	switch (cmd) {
 	case VIDIOCGCAP:	/* capability */
-		err = v4l1_compat_get_capabilities(arg, inode, file, drv);
+		err = v4l1_compat_get_capabilities(arg, file, drv);
 		break;
 	case VIDIOCGFBUF: /*  get frame buffer  */
-		err = v4l1_compat_get_frame_buffer(arg, inode, file, drv);
+		err = v4l1_compat_get_frame_buffer(arg, file, drv);
 		break;
 	case VIDIOCSFBUF: /*  set frame buffer  */
-		err = v4l1_compat_set_frame_buffer(arg, inode, file, drv);
+		err = v4l1_compat_set_frame_buffer(arg, file, drv);
 		break;
 	case VIDIOCGWIN: /*  get window or capture dimensions  */
-		err = v4l1_compat_get_win_cap_dimensions(arg, inode, file, drv);
+		err = v4l1_compat_get_win_cap_dimensions(arg, file, drv);
 		break;
 	case VIDIOCSWIN: /*  set window and/or capture dimensions  */
-		err = v4l1_compat_set_win_cap_dimensions(arg, inode, file, drv);
+		err = v4l1_compat_set_win_cap_dimensions(arg, file, drv);
 		break;
 	case VIDIOCCAPTURE: /*  turn on/off preview  */
-		err = v4l1_compat_turn_preview_on_off(arg, inode, file, drv);
+		err = v4l1_compat_turn_preview_on_off(arg, file, drv);
 		break;
 	case VIDIOCGCHAN: /*  get input information  */
-		err = v4l1_compat_get_input_info(arg, inode, file, drv);
+		err = v4l1_compat_get_input_info(arg, file, drv);
 		break;
 	case VIDIOCSCHAN: /*  set input  */
-		err = v4l1_compat_set_input(arg, inode, file, drv);
+		err = v4l1_compat_set_input(arg, file, drv);
 		break;
 	case VIDIOCGPICT: /*  get tone controls & partial capture format  */
-		err = v4l1_compat_get_picture(arg, inode, file, drv);
+		err = v4l1_compat_get_picture(arg, file, drv);
 		break;
 	case VIDIOCSPICT: /*  set tone controls & partial capture format  */
-		err = v4l1_compat_set_picture(arg, inode, file, drv);
+		err = v4l1_compat_set_picture(arg, file, drv);
 		break;
 	case VIDIOCGTUNER: /*  get tuner information  */
-		err = v4l1_compat_get_tuner(arg, inode, file, drv);
+		err = v4l1_compat_get_tuner(arg, file, drv);
 		break;
 	case VIDIOCSTUNER: /*  select a tuner input  */
-		err = v4l1_compat_select_tuner(arg, inode, file, drv);
+		err = v4l1_compat_select_tuner(arg, file, drv);
 		break;
 	case VIDIOCGFREQ: /*  get frequency  */
-		err = v4l1_compat_get_frequency(arg, inode, file, drv);
+		err = v4l1_compat_get_frequency(arg, file, drv);
 		break;
 	case VIDIOCSFREQ: /*  set frequency  */
-		err = v4l1_compat_set_frequency(arg, inode, file, drv);
+		err = v4l1_compat_set_frequency(arg, file, drv);
 		break;
 	case VIDIOCGAUDIO: /*  get audio properties/controls  */
-		err = v4l1_compat_get_audio(arg, inode, file, drv);
+		err = v4l1_compat_get_audio(arg, file, drv);
 		break;
 	case VIDIOCSAUDIO: /*  set audio controls  */
-		err = v4l1_compat_set_audio(arg, inode, file, drv);
+		err = v4l1_compat_set_audio(arg, file, drv);
 		break;
 	case VIDIOCMCAPTURE: /*  capture a frame  */
-		err = v4l1_compat_capture_frame(arg, inode, file, drv);
+		err = v4l1_compat_capture_frame(arg, file, drv);
 		break;
 	case VIDIOCSYNC: /*  wait for a frame  */
-		err = v4l1_compat_sync(arg, inode, file, drv);
+		err = v4l1_compat_sync(arg, file, drv);
 		break;
 	case VIDIOCGVBIFMT: /* query VBI data capture format */
-		err = v4l1_compat_get_vbi_format(arg, inode, file, drv);
+		err = v4l1_compat_get_vbi_format(arg, file, drv);
 		break;
 	case VIDIOCSVBIFMT:
-		err = v4l1_compat_set_vbi_format(arg, inode, file, drv);
+		err = v4l1_compat_set_vbi_format(arg, file, drv);
 		break;
 	default:
 		err = -ENOIOCTLCMD;
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 0417844d407..5b3e251b939 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -625,7 +625,7 @@ static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type)
 	return -EINVAL;
 }
 
-static int __video_do_ioctl(struct inode *inode, struct file *file,
+static int __video_do_ioctl(struct file *file,
 		unsigned int cmd, void *arg)
 {
 	struct video_device *vfd = video_devdata(file);
@@ -675,7 +675,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 	 V4L2 ioctls.
 	 ********************************************************/
 	if (_IOC_TYPE(cmd) == 'v' && _IOC_NR(cmd) < BASE_VIDIOCPRIVATE)
-		return v4l_compat_translate_ioctl(inode, file, cmd, arg,
+		return v4l_compat_translate_ioctl(file, cmd, arg,
 						__video_do_ioctl);
 #endif
 
@@ -1832,7 +1832,7 @@ int video_ioctl2(struct inode *inode, struct file *file,
 	}
 
 	/* Handles IOCTL */
-	err = __video_do_ioctl(inode, file, cmd, parg);
+	err = __video_do_ioctl(file, cmd, parg);
 	if (err == -ENOIOCTLCMD)
 		err = -EINVAL;
 	if (is_ext_ctrl) {
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 3e11dfe38dc..7a919433a42 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -271,13 +271,13 @@ extern const char *v4l2_field_names[];
 extern const char *v4l2_type_names[];
 
 /*  Compatibility layer interface  --  v4l1-compat module */
-typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
+typedef int (*v4l2_kioctl)(struct file *file,
 			   unsigned int cmd, void *arg);
 #ifdef CONFIG_VIDEO_V4L1_COMPAT
-int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
+int v4l_compat_translate_ioctl(struct file *file,
 			       int cmd, void *arg, v4l2_kioctl driver_ioctl);
 #else
-#define v4l_compat_translate_ioctl(inode, file, cmd, arg, ioctl) (-EINVAL)
+#define v4l_compat_translate_ioctl(file, cmd, arg, ioctl) (-EINVAL)
 #endif
 
 /* 32 Bits compatibility layer for 64 bits processors */
-- 
GitLab


From 8a522c916d3c3b29a38bd3c8fc3df826d22a9444 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Tue, 21 Oct 2008 11:58:39 -0300
Subject: [PATCH 1726/2224] V4L/DVB (9331): Remove unused inode parameter from
 video_ioctl2

inode is never used on video_ioctl2. Remove it and rename the function to
__video_ioctl2. This allows its usage directly as a callback at
fops.unlocked_ioctl.

Since we still need a callback with inode to be used with fops.ioctl,
this patch adds video_ioctl2() that is just a call to __video_ioctl2().

Also, this patch adds some comments about video_ioctl2 and __video_ioctl2
usage at v4l2-ioctl.h.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/ivtv/ivtv-ioctl.c |  2 +-
 drivers/media/video/v4l2-ioctl.c      | 12 ++++++------
 include/media/v4l2-ioctl.h            | 20 +++++++++++++++-----
 3 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 09a75abcb47..4bae38d21ef 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -1830,7 +1830,7 @@ static long ivtv_serialized_ioctl(struct ivtv *itv, struct file *filp,
 
 	if (ivtv_debug & IVTV_DBGFLG_IOCTL)
 		vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
-	ret = video_ioctl2_unlocked(filp, cmd, arg);
+	ret = __video_ioctl2(filp, cmd, arg);
 	vfd->debug = 0;
 	return ret;
 }
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 5b3e251b939..710e1a40c42 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -1768,7 +1768,7 @@ static int __video_do_ioctl(struct file *file,
 	return ret;
 }
 
-int video_ioctl2(struct inode *inode, struct file *file,
+int __video_ioctl2(struct file *file,
 	       unsigned int cmd, unsigned long arg)
 {
 	char	sbuf[128];
@@ -1860,11 +1860,11 @@ out:
 	kfree(mbuf);
 	return err;
 }
-EXPORT_SYMBOL(video_ioctl2);
+EXPORT_SYMBOL(__video_ioctl2);
 
-long video_ioctl2_unlocked(struct file *file,
-		 unsigned int cmd, unsigned long arg)
+int video_ioctl2(struct inode *inode, struct file *file,
+	       unsigned int cmd, unsigned long arg)
 {
-	return video_ioctl2(file->f_path.dentry->d_inode, file, cmd, arg);
+	return __video_ioctl2(file, cmd, arg);
 }
-EXPORT_SYMBOL(video_ioctl2_unlocked);
+EXPORT_SYMBOL(video_ioctl2);
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 7a919433a42..e6ba25b3d7c 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -284,15 +284,25 @@ int v4l_compat_translate_ioctl(struct file *file,
 extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
 				unsigned long arg);
 
-extern int video_ioctl2(struct inode *inode, struct file *file,
-			unsigned int cmd, unsigned long arg);
-extern long video_ioctl2_unlocked(struct file *file,
-			unsigned int cmd, unsigned long arg);
-
 /* Include support for obsoleted stuff */
 extern int video_usercopy(struct inode *inode, struct file *file,
 			  unsigned int cmd, unsigned long arg,
 			  int (*func)(struct inode *inode, struct file *file,
 				      unsigned int cmd, void *arg));
 
+/* Standard handlers for V4L ioctl's */
+
+/* This prototype is used on fops.unlocked_ioctl */
+extern int __video_ioctl2(struct file *file,
+			unsigned int cmd, unsigned long arg);
+
+/* This prototype is used on fops.ioctl
+ * Since fops.ioctl enables Kernel Big Lock, it is preferred
+ * to use __video_ioctl2 instead.
+ * It should be noticed that there's no lock code inside
+ * video_ioctl2().
+ */
+extern int video_ioctl2(struct inode *inode, struct file *file,
+			unsigned int cmd, unsigned long arg);
+
 #endif /* _V4L2_IOCTL_H */
-- 
GitLab


From 9212a572dd5ecc69f9b9985ba3e92c6f2504f0fc Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Tue, 21 Oct 2008 10:42:00 -0300
Subject: [PATCH 1727/2224] V4L/DVB (9332): cx88: initial fix for analogue only
 compilation

Initial fix for when analogue only is selected
for compilation (ie, !CX88_DVB)

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-i2c.c  | 2 ++
 drivers/media/video/cx88/cx88-mpeg.c | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index 01de2300709..1ab691d2069 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -116,8 +116,10 @@ static int detach_inform(struct i2c_client *client)
 
 void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg)
 {
+#if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
 	struct videobuf_dvb_frontends *f = &core->dvbdev->frontends;
 	struct videobuf_dvb_frontend *fe = NULL;
+#endif
 	if (0 != core->i2c_rc)
 		return;
 
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index 6df5cf31418..b21fd93c192 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -768,8 +768,11 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 {
 	struct cx8802_dev *dev;
 	struct cx88_core  *core;
+	int err;
+#if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
 	struct videobuf_dvb_frontend *demod;
-	int err,i;
+	int i;
+#endif
 
 	/* general setup */
 	core = cx88_core_get(pci_dev);
@@ -801,6 +804,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	INIT_LIST_HEAD(&dev->drvlist);
 	list_add_tail(&dev->devlist,&cx8802_devlist);
 
+#if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
 	mutex_init(&dev->frontends.lock);
 	INIT_LIST_HEAD(&dev->frontends.felist);
 
@@ -814,6 +818,7 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 			goto fail_free;
 		}
 	}
+#endif
 
 	/* Maintain a reference so cx88-video can query the 8802 device. */
 	core->dvbdev = dev;
-- 
GitLab


From 3007703db804b7e6e9f5e3cca9e3a661e0ff3eb2 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Date: Tue, 21 Oct 2008 10:43:10 -0300
Subject: [PATCH 1728/2224] V4L/DVB (9333): cx88: Not all boards that requires
 cx88-mpeg has frontends

The multifrontend changes on cx88 assumed that all boards that use cx88-mpeg
supports DVB. This is not true. There also a few analog-only boards based on
Blackboard design that also uses cx88-mpeg. For those boards, there's no need
to allocate dvb frontends.

This patch fixes videobuf allocation for those devices.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-cards.c | 4 ++--
 drivers/media/video/cx88/cx88-mpeg.c  | 8 ++------
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c
index fbc224f46e0..5bcbb4cc7c2 100644
--- a/drivers/media/video/cx88/cx88-cards.c
+++ b/drivers/media/video/cx88/cx88-cards.c
@@ -3044,8 +3044,8 @@ struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr)
 
 	memcpy(&core->board, &cx88_boards[core->boardnr], sizeof(core->board));
 
-	if (!core->board.num_frontends)
-		core->board.num_frontends=1;
+	if (!core->board.num_frontends && (core->board.mpeg & CX88_MPEG_DVB))
+		core->board.num_frontends = 1;
 
 	info_printk(core, "subsystem: %04x:%04x, board: %s [card=%d,%s], frontend(s): %d\n",
 		pci->subsystem_vendor, pci->subsystem_device, core->board.name,
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index b21fd93c192..a1c435b4b1c 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -785,11 +785,6 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	if (!core->board.mpeg)
 		goto fail_core;
 
-	if (!core->board.num_frontends) {
-		printk(KERN_ERR "%s() .num_frontends should be non-zero, err = %d\n", __func__, err);
-		goto fail_core;
-	}
-
 	err = -ENOMEM;
 	dev = kzalloc(sizeof(*dev),GFP_KERNEL);
 	if (NULL == dev)
@@ -808,7 +803,8 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev,
 	mutex_init(&dev->frontends.lock);
 	INIT_LIST_HEAD(&dev->frontends.felist);
 
-	printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends);
+	if (core->board.num_frontends)
+		printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends);
 
 	for (i = 1; i <= core->board.num_frontends; i++) {
 		demod = videobuf_dvb_alloc_frontend(&dev->frontends, i);
-- 
GitLab


From 0fcd488d8d90d2332f9ff463929ec4b7676102b6 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Tue, 21 Oct 2008 11:18:47 -0300
Subject: [PATCH 1729/2224] V4L/DVB (9334): cx88: dvb_remove debug output

Add debug output for dvb_remove enter.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-dvb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 6968ab0181a..6170d27b4d9 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -1246,8 +1246,11 @@ fail_core:
 
 static int cx8802_dvb_remove(struct cx8802_driver *drv)
 {
+	struct cx88_core *core = drv->core;
 	struct cx8802_dev *dev = drv->core->dvbdev;
 
+	dprintk( 1, "%s\n", __func__);
+
 	videobuf_dvb_unregister_bus(&dev->frontends);
 
 	vp3054_i2c_remove(dev);
-- 
GitLab


From 878595f6e7225c996523965b61ce3fe29addca9d Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Tue, 21 Oct 2008 11:28:46 -0300
Subject: [PATCH 1730/2224] V4L/DVB (9335): videobuf: split unregister bus
 creating self-contained frontend de-allocator

This creates a self contained frontend de-allocator
for the instances where an adapter has not been
registered yet frontend de-allocation may
be required.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/videobuf-dvb.c | 52 +++++++++++++++++-------------
 include/media/videobuf-dvb.h       |  1 +
 2 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index 917277d3660..0e7dcba8e4a 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -296,29 +296,7 @@ EXPORT_SYMBOL(videobuf_dvb_register_bus);
 
 void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f)
 {
-	struct list_head *list, *q;
-	struct videobuf_dvb_frontend *fe;
-
-	mutex_lock(&f->lock);
-	list_for_each_safe(list, q, &f->felist) {
-		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
-		if (fe->dvb.net.dvbdev) {
-			dvb_net_release(&fe->dvb.net);
-			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
-				&fe->dvb.fe_mem);
-			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
-				&fe->dvb.fe_hw);
-			dvb_dmxdev_release(&fe->dvb.dmxdev);
-			dvb_dmx_release(&fe->dvb.demux);
-			dvb_unregister_frontend(fe->dvb.frontend);
-		}
-		if (fe->dvb.frontend)
-			/* always allocated, may have been reset */
-			dvb_frontend_detach(fe->dvb.frontend);
-		list_del(list);
-		kfree(fe);
-	}
-	mutex_unlock(&f->lock);
+	videobuf_dvb_dealloc_frontends(f);
 
 	dvb_unregister_adapter(&f->adapter);
 }
@@ -389,3 +367,31 @@ fail_alloc:
 	return fe;
 }
 EXPORT_SYMBOL(videobuf_dvb_alloc_frontend);
+
+void videobuf_dvb_dealloc_frontends(struct videobuf_dvb_frontends *f)
+{
+	struct list_head *list, *q;
+	struct videobuf_dvb_frontend *fe;
+
+	mutex_lock(&f->lock);
+	list_for_each_safe(list, q, &f->felist) {
+		fe = list_entry(list, struct videobuf_dvb_frontend, felist);
+		if (fe->dvb.net.dvbdev) {
+			dvb_net_release(&fe->dvb.net);
+			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
+				&fe->dvb.fe_mem);
+			fe->dvb.demux.dmx.remove_frontend(&fe->dvb.demux.dmx,
+				&fe->dvb.fe_hw);
+			dvb_dmxdev_release(&fe->dvb.dmxdev);
+			dvb_dmx_release(&fe->dvb.demux);
+			dvb_unregister_frontend(fe->dvb.frontend);
+		}
+		if (fe->dvb.frontend)
+			/* always allocated, may have been reset */
+			dvb_frontend_detach(fe->dvb.frontend);
+		list_del(list); /* remove list entry */
+		kfree(fe);	/* free frontend allocation */
+	}
+	mutex_unlock(&f->lock);
+}
+EXPORT_SYMBOL(videobuf_dvb_dealloc_frontends);
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index 80471c2b634..6ba4f1271d2 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -47,6 +47,7 @@ int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
 void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f);
 
 struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id);
+void videobuf_dvb_dealloc_frontends(struct videobuf_dvb_frontends *f);
 
 struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id);
 int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p);
-- 
GitLab


From becd43056c8f65e3b8510b1a8a0940683ee185a2 Mon Sep 17 00:00:00 2001
From: Darron Broad <darron@kewl.org>
Date: Tue, 21 Oct 2008 11:47:50 -0300
Subject: [PATCH 1731/2224] V4L/DVB (9336): cx88: always de-alloc frontends on
 fault condition

De-alloc frontends on fault condition.

Signed-off-by: Darron Broad <darron@kewl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/cx88/cx88-dvb.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index 6170d27b4d9..cf6c30d4e54 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -789,7 +789,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		if (fe0->dvb.frontend)
 			fe0->dvb.frontend->ops.i2c_gate_ctrl = NULL;
 		if (attach_xc3028(0x61, dev) < 0)
-			return -EINVAL;
+			goto frontend_detach;
 		break;
 	case CX88_BOARD_PCHDTV_HD3000:
 		fe0->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000,
@@ -1058,7 +1058,6 @@ static int dvb_register(struct cx8802_dev *dev)
 					goto frontend_detach;
 				core->prev_set_voltage = fe0->dvb.frontend->ops.set_voltage;
 				fe0->dvb.frontend->ops.set_voltage = tevii_dvbs_set_voltage;
-
 			}
 		}
 		break;
@@ -1110,10 +1109,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		&dev->pci->dev, adapter_nr, mfe_shared);
 
 frontend_detach:
-	if (fe0->dvb.frontend) {
-		dvb_frontend_detach(fe0->dvb.frontend);
-		fe0->dvb.frontend = NULL;
-	}
+	videobuf_dvb_dealloc_frontends(&dev->frontends);
 	return -EINVAL;
 }
 
-- 
GitLab


From b673c3a8192e28f13e2050a4b82c1986be92cc15 Mon Sep 17 00:00:00 2001
From: Kazuo Ito <ito.kazuo@oss.ntt.co.jp>
Date: Tue, 21 Oct 2008 17:44:50 +0100
Subject: [PATCH 1732/2224] dm kcopyd: avoid queue shuffle

Write throughput to LVM snapshot origin volume is an order
of magnitude slower than those to LV without snapshots or
snapshot target volumes, especially in the case of sequential
writes with O_SYNC on.

The following patch originally written by Kevin Jamieson and
Jan Blunck and slightly modified for the current RCs by myself
tries to improve the performance by modifying the behaviour
of kcopyd, so that it pushes back an I/O job to the head of
the job queue instead of the tail as process_jobs() currently
does when it has to wait for free pages. This way, write
requests aren't shuffled to cause extra seeks.

I tested the patch against 2.6.27-rc5 and got the following results.
The test is a dd command writing to snapshot origin followed by fsync
to the file just created/updated.  A couple of filesystem benchmarks
gave me similar results in case of sequential writes, while random
writes didn't suffer much.

dd if=/dev/zero of=<somewhere on snapshot origin> bs=4096 count=...
   [conv=notrunc when updating]

1) linux 2.6.27-rc5 without the patch, write to snapshot origin,
average throughput (MB/s)
                     10M     100M    1000M
create,dd         511.46   610.72    11.81
create,dd+fsync     7.10     6.77     8.13
update,dd         431.63   917.41    12.75
update,dd+fsync     7.79     7.43     8.12

compared with write throughput to LV without any snapshots,
all dd+fsync and 1000 MiB writes perform very poorly.

                     10M     100M    1000M
create,dd         555.03   608.98   123.29
create,dd+fsync   114.27    72.78    76.65
update,dd         152.34  1267.27   124.04
update,dd+fsync   130.56    77.81    77.84

2) linux 2.6.27-rc5 with the patch, write to snapshot origin,
average throughput (MB/s)

                     10M     100M    1000M
create,dd         537.06   589.44    46.21
create,dd+fsync    31.63    29.19    29.23
update,dd         487.59   897.65    37.76
update,dd+fsync    34.12    30.07    26.85

Although still not on par with plain LV performance -
cannot be avoided because it's copy on write anyway -
this simple patch successfully improves throughtput
of dd+fsync while not affecting the rest.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Kazuo Ito <ito.kazuo@oss.ntt.co.jp>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: stable@kernel.org
---
 drivers/md/dm-kcopyd.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 996802b8a45..8f153530d6d 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -268,6 +268,17 @@ static void push(struct list_head *jobs, struct kcopyd_job *job)
 	spin_unlock_irqrestore(&kc->job_lock, flags);
 }
 
+
+static void push_head(struct list_head *jobs, struct kcopyd_job *job)
+{
+	unsigned long flags;
+	struct dm_kcopyd_client *kc = job->kc;
+
+	spin_lock_irqsave(&kc->job_lock, flags);
+	list_add(&job->list, jobs);
+	spin_unlock_irqrestore(&kc->job_lock, flags);
+}
+
 /*
  * These three functions process 1 item from the corresponding
  * job list.
@@ -398,7 +409,7 @@ static int process_jobs(struct list_head *jobs, struct dm_kcopyd_client *kc,
 			 * We couldn't service this job ATM, so
 			 * push this job back onto the list.
 			 */
-			push(jobs, job);
+			push_head(jobs, job);
 			break;
 		}
 
-- 
GitLab


From 7c5f78b9d7f21937e46c26db82976df4b459c95c Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Tue, 21 Oct 2008 17:44:51 +0100
Subject: [PATCH 1733/2224] dm snapshot: fix primary_pe race

Fix a race condition with primary_pe ref_count handling.

put_pending_exception runs under dm_snapshot->lock, it does atomic_dec_and_test
on primary_pe->ref_count, and later does atomic_read primary_pe->ref_count.

__origin_write does atomic_dec_and_test on primary_pe->ref_count without holding
dm_snapshot->lock.

This opens the following race condition:
Assume two CPUs, CPU1 is executing put_pending_exception (and holding
dm_snapshot->lock). CPU2 is executing __origin_write in parallel.
primary_pe->ref_count == 2.

CPU1:
if (primary_pe && atomic_dec_and_test(&primary_pe->ref_count))
	origin_bios = bio_list_get(&primary_pe->origin_bios);
... decrements primary_pe->ref_count to 1. Doesn't load origin_bios

CPU2:
if (first && atomic_dec_and_test(&primary_pe->ref_count)) {
	flush_bios(bio_list_get(&primary_pe->origin_bios));
	free_pending_exception(primary_pe);
	/* If we got here, pe_queue is necessarily empty. */
	return r;
}
... decrements primary_pe->ref_count to 0, submits pending bios, frees
primary_pe.

CPU1:
if (!primary_pe || primary_pe != pe)
	free_pending_exception(pe);
... this has no effect.
if (primary_pe && !atomic_read(&primary_pe->ref_count))
	free_pending_exception(primary_pe);
... sees ref_count == 0 (written by CPU 2), does double free !!

This bug can happen only if someone is simultaneously writing to both the
origin and the snapshot.

If someone is writing only to the origin, __origin_write will submit kcopyd
request after it decrements primary_pe->ref_count (so it can't happen that the
finished copy races with primary_pe->ref_count decrementation).

If someone is writing only to the snapshot, __origin_write isn't invoked at all
and the race can't happen.

The race happens when someone writes to the snapshot --- this creates
pending_exception with primary_pe == NULL and starts copying. Then, someone
writes to the same chunk in the snapshot, and __origin_write races with
termination of already submitted request in pending_complete (that calls
put_pending_exception).

This race may be reason for bugs:
  http://bugzilla.kernel.org/show_bug.cgi?id=11636
  https://bugzilla.redhat.com/show_bug.cgi?id=465825

The patch fixes the code to make sure that:
1. If atomic_dec_and_test(&primary_pe->ref_count) returns false, the process
must no longer dereference primary_pe (because someone else may free it under
us).
2. If atomic_dec_and_test(&primary_pe->ref_count) returns true, the process
is responsible for freeing primary_pe.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: stable@kernel.org
---
 drivers/md/dm-snap.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 6e5528aecc9..4ed9b7aaadb 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -824,8 +824,10 @@ static struct bio *put_pending_exception(struct dm_snap_pending_exception *pe)
 	 * the bios for the original write to the origin.
 	 */
 	if (primary_pe &&
-	    atomic_dec_and_test(&primary_pe->ref_count))
+	    atomic_dec_and_test(&primary_pe->ref_count)) {
 		origin_bios = bio_list_get(&primary_pe->origin_bios);
+		free_pending_exception(primary_pe);
+	}
 
 	/*
 	 * Free the pe if it's not linked to an origin write or if
@@ -834,12 +836,6 @@ static struct bio *put_pending_exception(struct dm_snap_pending_exception *pe)
 	if (!primary_pe || primary_pe != pe)
 		free_pending_exception(pe);
 
-	/*
-	 * Free the primary pe if nothing references it.
-	 */
-	if (primary_pe && !atomic_read(&primary_pe->ref_count))
-		free_pending_exception(primary_pe);
-
 	return origin_bios;
 }
 
-- 
GitLab


From f68d4f3d394da5b1f69d855b8513f4256ccc803e Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Tue, 21 Oct 2008 17:44:53 +0100
Subject: [PATCH 1734/2224] dm snapshot: drop unused last_percent

The last_percent field is unused - remove it.
(It dates from when events were triggered as each X% filled up.)

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm-snap.c | 1 -
 drivers/md/dm-snap.h | 3 ---
 2 files changed, 4 deletions(-)

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 4ed9b7aaadb..b2d9d1ac28a 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -600,7 +600,6 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 
 	s->valid = 1;
 	s->active = 0;
-	s->last_percent = 0;
 	init_rwsem(&s->lock);
 	spin_lock_init(&s->pe_lock);
 	s->ti = ti;
diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h
index 292c15609ae..49c17bf12c2 100644
--- a/drivers/md/dm-snap.h
+++ b/drivers/md/dm-snap.h
@@ -158,9 +158,6 @@ struct dm_snapshot {
 	/* Used for display of table */
 	char type;
 
-	/* The last percentage we notified */
-	int last_percent;
-
 	mempool_t *pending_pool;
 
 	struct exception_table pending;
-- 
GitLab


From 7c9e6c17325fab380fbe9c9787680ff7d4a51abd Mon Sep 17 00:00:00 2001
From: Alasdair G Kergon <agk@redhat.com>
Date: Tue, 21 Oct 2008 17:44:55 +0100
Subject: [PATCH 1735/2224] dm exception store: refactor zero_area

Use a separate buffer for writing zeroes to the on-disk snapshot
exception store, make the updating of ps->current_area explicit and
refactor the code in preparation for the fix in the next patch.

No functional change.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@kernel.org
---
 drivers/md/dm-exception-store.c | 102 +++++++++++++++++++++-----------
 1 file changed, 68 insertions(+), 34 deletions(-)

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 769ab677f8e..fe6cef8df20 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -104,6 +104,11 @@ struct pstore {
 	 */
 	void *area;
 
+	/*
+	 * An area of zeros used to clear the next area.
+	 */
+	void *zero_area;
+
 	/*
 	 * Used to keep track of which metadata area the data in
 	 * 'chunk' refers to.
@@ -149,6 +154,13 @@ static int alloc_area(struct pstore *ps)
 	if (!ps->area)
 		return r;
 
+	ps->zero_area = vmalloc(len);
+	if (!ps->zero_area) {
+		vfree(ps->area);
+		return r;
+	}
+	memset(ps->zero_area, 0, len);
+
 	return 0;
 }
 
@@ -156,6 +168,8 @@ static void free_area(struct pstore *ps)
 {
 	vfree(ps->area);
 	ps->area = NULL;
+	vfree(ps->zero_area);
+	ps->zero_area = NULL;
 }
 
 struct mdata_req {
@@ -220,25 +234,41 @@ static chunk_t area_location(struct pstore *ps, chunk_t area)
  * Read or write a metadata area.  Remembering to skip the first
  * chunk which holds the header.
  */
-static int area_io(struct pstore *ps, chunk_t area, int rw)
+static int area_io(struct pstore *ps, int rw)
 {
 	int r;
 	chunk_t chunk;
 
-	chunk = area_location(ps, area);
+	chunk = area_location(ps, ps->current_area);
 
 	r = chunk_io(ps, chunk, rw, 0);
 	if (r)
 		return r;
 
-	ps->current_area = area;
 	return 0;
 }
 
-static int zero_area(struct pstore *ps, chunk_t area)
+static void zero_memory_area(struct pstore *ps)
 {
 	memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT);
-	return area_io(ps, area, WRITE);
+}
+
+static int zero_disk_area(struct pstore *ps, chunk_t area)
+{
+	struct dm_io_region where = {
+		.bdev = ps->snap->cow->bdev,
+		.sector = ps->snap->chunk_size * area_location(ps, area),
+		.count = ps->snap->chunk_size,
+	};
+	struct dm_io_request io_req = {
+		.bi_rw = WRITE,
+		.mem.type = DM_IO_VMA,
+		.mem.ptr.vma = ps->zero_area,
+		.client = ps->io_client,
+		.notify.fn = NULL,
+	};
+
+	return dm_io(&io_req, 1, &where, NULL);
 }
 
 static int read_header(struct pstore *ps, int *new_snapshot)
@@ -411,15 +441,14 @@ static int insert_exceptions(struct pstore *ps, int *full)
 
 static int read_exceptions(struct pstore *ps)
 {
-	chunk_t area;
 	int r, full = 1;
 
 	/*
 	 * Keeping reading chunks and inserting exceptions until
 	 * we find a partially full area.
 	 */
-	for (area = 0; full; area++) {
-		r = area_io(ps, area, READ);
+	for (ps->current_area = 0; full; ps->current_area++) {
+		r = area_io(ps, READ);
 		if (r)
 			return r;
 
@@ -428,6 +457,8 @@ static int read_exceptions(struct pstore *ps)
 			return r;
 	}
 
+	ps->current_area--;
+
 	return 0;
 }
 
@@ -486,12 +517,13 @@ static int persistent_read_metadata(struct exception_store *store)
 			return r;
 		}
 
-		r = zero_area(ps, 0);
+		ps->current_area = 0;
+		zero_memory_area(ps);
+		r = zero_disk_area(ps, 0);
 		if (r) {
-			DMWARN("zero_area(0) failed");
+			DMWARN("zero_disk_area(0) failed");
 			return r;
 		}
-
 	} else {
 		/*
 		 * Sanity checks.
@@ -551,7 +583,6 @@ static void persistent_commit(struct exception_store *store,
 			      void (*callback) (void *, int success),
 			      void *callback_context)
 {
-	int r;
 	unsigned int i;
 	struct pstore *ps = get_info(store);
 	struct disk_exception de;
@@ -572,33 +603,36 @@ static void persistent_commit(struct exception_store *store,
 	cb->context = callback_context;
 
 	/*
-	 * If there are no more exceptions in flight, or we have
-	 * filled this metadata area we commit the exceptions to
-	 * disk.
+	 * If there are exceptions in flight and we have not yet
+	 * filled this metadata area there's nothing more to do.
 	 */
-	if (atomic_dec_and_test(&ps->pending_count) ||
-	    (ps->current_committed == ps->exceptions_per_area)) {
-		r = area_io(ps, ps->current_area, WRITE);
-		if (r)
-			ps->valid = 0;
+	if (!atomic_dec_and_test(&ps->pending_count) &&
+	    (ps->current_committed != ps->exceptions_per_area))
+		return;
 
-		/*
-		 * Have we completely filled the current area ?
-		 */
-		if (ps->current_committed == ps->exceptions_per_area) {
-			ps->current_committed = 0;
-			r = zero_area(ps, ps->current_area + 1);
-			if (r)
-				ps->valid = 0;
-		}
+	/*
+	 * Commit exceptions to disk.
+	 */
+	if (area_io(ps, WRITE))
+		ps->valid = 0;
 
-		for (i = 0; i < ps->callback_count; i++) {
-			cb = ps->callbacks + i;
-			cb->callback(cb->context, r == 0 ? 1 : 0);
-		}
+	/*
+	 * Advance to the next area if this one is full.
+	 */
+	if (ps->current_committed == ps->exceptions_per_area) {
+		if (zero_disk_area(ps, ps->current_area + 1))
+			ps->valid = 0;
+		ps->current_committed = 0;
+		ps->current_area++;
+		zero_memory_area(ps);
+	}
 
-		ps->callback_count = 0;
+	for (i = 0; i < ps->callback_count; i++) {
+		cb = ps->callbacks + i;
+		cb->callback(cb->context, ps->valid);
 	}
+
+	ps->callback_count = 0;
 }
 
 static void persistent_drop(struct exception_store *store)
-- 
GitLab


From 7acedc5b98a2fcff64f00c21110aae7d3ac2f7df Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Tue, 21 Oct 2008 17:44:56 +0100
Subject: [PATCH 1736/2224] dm exception store: fix misordered writes

We must zero the next chunk on disk *before* writing out the current chunk, not
after.  Otherwise if the machine crashes at the wrong time, the "end of metadata"
marker may be missing.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: stable@kernel.org
---
 drivers/md/dm-exception-store.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index fe6cef8df20..6179bf70f98 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -610,18 +610,23 @@ static void persistent_commit(struct exception_store *store,
 	    (ps->current_committed != ps->exceptions_per_area))
 		return;
 
+	/*
+	 * If we completely filled the current area, then wipe the next one.
+	 */
+	if ((ps->current_committed == ps->exceptions_per_area) &&
+	     zero_disk_area(ps, ps->current_area + 1))
+		ps->valid = 0;
+
 	/*
 	 * Commit exceptions to disk.
 	 */
-	if (area_io(ps, WRITE))
+	if (ps->valid && area_io(ps, WRITE))
 		ps->valid = 0;
 
 	/*
 	 * Advance to the next area if this one is full.
 	 */
 	if (ps->current_committed == ps->exceptions_per_area) {
-		if (zero_disk_area(ps, ps->current_area + 1))
-			ps->valid = 0;
 		ps->current_committed = 0;
 		ps->current_area++;
 		zero_memory_area(ps);
-- 
GitLab


From d63a5ce3c0d25c96bdadc78792e5b48b846e899d Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Tue, 21 Oct 2008 17:44:57 +0100
Subject: [PATCH 1737/2224] dm: publish array_too_big

Move array_too_big to include/linux/device-mapper.h because it is
used by targets.

Remove the test from dm-raid1 as the number of mirror legs is limited
such that it can never fail.  (Even for stripes it seems rather
unlikely.)

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm-raid1.c         | 3 ---
 drivers/md/dm-stripe.c        | 4 ++--
 drivers/md/dm.h               | 9 ---------
 include/linux/device-mapper.h | 3 +++
 4 files changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 29913e42c4a..ecfd82169cb 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1315,9 +1315,6 @@ static struct mirror_set *alloc_context(unsigned int nr_mirrors,
 	size_t len;
 	struct mirror_set *ms = NULL;
 
-	if (array_too_big(sizeof(*ms), sizeof(ms->mirror[0]), nr_mirrors))
-		return NULL;
-
 	len = sizeof(*ms) + (sizeof(ms->mirror[0]) * nr_mirrors);
 
 	ms = kzalloc(len, GFP_KERNEL);
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index b745d8ac625..287e2458473 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -60,8 +60,8 @@ static inline struct stripe_c *alloc_context(unsigned int stripes)
 {
 	size_t len;
 
-	if (array_too_big(sizeof(struct stripe_c), sizeof(struct stripe),
-			  stripes))
+	if (dm_array_too_big(sizeof(struct stripe_c), sizeof(struct stripe),
+			     stripes))
 		return NULL;
 
 	len = sizeof(struct stripe_c) + (sizeof(struct stripe) * stripes);
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index cd189da2b2f..0ade60cdef4 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -62,15 +62,6 @@ void dm_put_target_type(struct target_type *t);
 int dm_target_iterate(void (*iter_func)(struct target_type *tt,
 					void *param), void *param);
 
-/*-----------------------------------------------------------------
- * Useful inlines.
- *---------------------------------------------------------------*/
-static inline int array_too_big(unsigned long fixed, unsigned long obj,
-				unsigned long num)
-{
-	return (num > (ULONG_MAX - fixed) / obj);
-}
-
 int dm_split_args(int *argc, char ***argvp, char *input);
 
 /*
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 08d783592b7..dfb30db475e 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -354,6 +354,9 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
  */
 #define dm_round_up(n, sz) (dm_div_up((n), (sz)) * (sz))
 
+#define dm_array_too_big(fixed, obj, num) \
+	((num) > (UINT_MAX - (fixed)) / (obj))
+
 static inline sector_t to_sector(unsigned long n)
 {
 	return (n >> SECTOR_SHIFT);
-- 
GitLab


From 586e80e6ee0d137c7d79fbae183bb37bc60ee97e Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Tue, 21 Oct 2008 17:44:59 +0100
Subject: [PATCH 1738/2224] dm: remove dm header from targets

Change #include "dm.h" to #include <linux/device-mapper.h> in all targets.
Targets should not need direct access to internal DM structures.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm-crypt.c           | 2 +-
 drivers/md/dm-delay.c           | 3 ++-
 drivers/md/dm-exception-store.c | 1 -
 drivers/md/dm-io.c              | 2 +-
 drivers/md/dm-kcopyd.c          | 1 +
 drivers/md/dm-linear.c          | 2 +-
 drivers/md/dm-log.c             | 2 +-
 drivers/md/dm-mpath.c           | 3 ++-
 drivers/md/dm-path-selector.c   | 3 ++-
 drivers/md/dm-raid1.c           | 3 ++-
 drivers/md/dm-round-robin.c     | 3 ++-
 drivers/md/dm-snap.h            | 2 +-
 drivers/md/dm-stripe.c          | 2 +-
 drivers/md/dm-zero.c            | 2 +-
 14 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 682ef9e6acd..8939cba6e74 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -23,7 +23,7 @@
 #include <asm/page.h>
 #include <asm/unaligned.h>
 
-#include "dm.h"
+#include <linux/device-mapper.h>
 
 #define DM_MSG_PREFIX "crypt"
 #define MESG_STR(x) x, sizeof(x)
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index bdd37f881c4..848b381f117 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -13,7 +13,8 @@
 #include <linux/bio.h>
 #include <linux/slab.h>
 
-#include "dm.h"
+#include <linux/device-mapper.h>
+
 #include "dm-bio-list.h"
 
 #define DM_MSG_PREFIX "delay"
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 6179bf70f98..01590f3e000 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -7,7 +7,6 @@
  * This file is released under the GPL.
  */
 
-#include "dm.h"
 #include "dm-snap.h"
 
 #include <linux/mm.h>
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 4789c42d9a3..2fd6d445063 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -5,7 +5,7 @@
  * This file is released under the GPL.
  */
 
-#include "dm.h"
+#include <linux/device-mapper.h>
 
 #include <linux/bio.h>
 #include <linux/mempool.h>
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 8f153530d6d..3073618269e 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -22,6 +22,7 @@
 #include <linux/vmalloc.h>
 #include <linux/workqueue.h>
 #include <linux/mutex.h>
+#include <linux/device-mapper.h>
 #include <linux/dm-kcopyd.h>
 
 #include "dm.h"
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 6449bcdf84c..1b29e913675 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -5,12 +5,12 @@
  */
 
 #include "dm.h"
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/blkdev.h>
 #include <linux/bio.h>
 #include <linux/slab.h>
+#include <linux/device-mapper.h>
 
 #define DM_MSG_PREFIX "linear"
 
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 5b48478c79f..a8c0fc79ca7 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -12,7 +12,7 @@
 #include <linux/dm-io.h>
 #include <linux/dm-dirty-log.h>
 
-#include "dm.h"
+#include <linux/device-mapper.h>
 
 #define DM_MSG_PREFIX "dirty region log"
 
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 9bf3460c554..abf6e8cfaed 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -5,7 +5,8 @@
  * This file is released under the GPL.
  */
 
-#include "dm.h"
+#include <linux/device-mapper.h>
+
 #include "dm-path-selector.h"
 #include "dm-bio-list.h"
 #include "dm-bio-record.h"
diff --git a/drivers/md/dm-path-selector.c b/drivers/md/dm-path-selector.c
index ca1bb636a3e..96ea226155b 100644
--- a/drivers/md/dm-path-selector.c
+++ b/drivers/md/dm-path-selector.c
@@ -9,7 +9,8 @@
  * Path selector registration.
  */
 
-#include "dm.h"
+#include <linux/device-mapper.h>
+
 #include "dm-path-selector.h"
 
 #include <linux/slab.h>
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index ecfd82169cb..f358853af5c 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -4,7 +4,8 @@
  * This file is released under the GPL.
  */
 
-#include "dm.h"
+#include <linux/device-mapper.h>
+
 #include "dm-bio-list.h"
 #include "dm-bio-record.h"
 
diff --git a/drivers/md/dm-round-robin.c b/drivers/md/dm-round-robin.c
index 391dfa2ad43..cdfbf65b28c 100644
--- a/drivers/md/dm-round-robin.c
+++ b/drivers/md/dm-round-robin.c
@@ -9,7 +9,8 @@
  * Round-robin path selector.
  */
 
-#include "dm.h"
+#include <linux/device-mapper.h>
+
 #include "dm-path-selector.h"
 
 #include <linux/slab.h>
diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h
index 49c17bf12c2..f07315fe236 100644
--- a/drivers/md/dm-snap.h
+++ b/drivers/md/dm-snap.h
@@ -9,7 +9,7 @@
 #ifndef DM_SNAPSHOT_H
 #define DM_SNAPSHOT_H
 
-#include "dm.h"
+#include <linux/device-mapper.h>
 #include "dm-bio-list.h"
 #include <linux/blkdev.h>
 #include <linux/workqueue.h>
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index 287e2458473..a2d068dbe9e 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -4,7 +4,7 @@
  * This file is released under the GPL.
  */
 
-#include "dm.h"
+#include <linux/device-mapper.h>
 
 #include <linux/module.h>
 #include <linux/init.h>
diff --git a/drivers/md/dm-zero.c b/drivers/md/dm-zero.c
index bdec206c404..cdbf126ec10 100644
--- a/drivers/md/dm-zero.c
+++ b/drivers/md/dm-zero.c
@@ -4,7 +4,7 @@
  * This file is released under the GPL.
  */
 
-#include "dm.h"
+#include <linux/device-mapper.h>
 
 #include <linux/module.h>
 #include <linux/init.h>
-- 
GitLab


From b635b00e0e159d858486fd899c4021d1d67757e2 Mon Sep 17 00:00:00 2001
From: Milan Broz <mbroz@redhat.com>
Date: Tue, 21 Oct 2008 17:45:00 +0100
Subject: [PATCH 1739/2224] dm crypt: tidy sector

Prepare local sector variable (offset) for later patch.
Do not update io->sector for still-running I/O.

No functional change.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm-crypt.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 8939cba6e74..ad98ded3008 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -688,7 +688,6 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io,
 	BUG_ON(io->ctx.idx_out < clone->bi_vcnt);
 
 	clone->bi_sector = cc->start + io->sector;
-	io->sector += bio_sectors(clone);
 
 	if (async)
 		kcryptd_queue_io(io);
@@ -703,13 +702,14 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 	int crypt_finished;
 	unsigned out_of_pages = 0;
 	unsigned remaining = io->base_bio->bi_size;
+	sector_t sector = io->sector;
 	int r;
 
 	/*
 	 * Prevent io from disappearing until this function completes.
 	 */
 	crypt_inc_pending(io);
-	crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, io->sector);
+	crypt_convert_init(cc, &io->ctx, NULL, io->base_bio, sector);
 
 	/*
 	 * The allocated buffers can be smaller than the whole bio,
@@ -726,6 +726,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 		io->ctx.idx_out = 0;
 
 		remaining -= clone->bi_size;
+		sector += bio_sectors(clone);
 
 		crypt_inc_pending(io);
 		r = crypt_convert(cc, &io->ctx);
@@ -741,6 +742,8 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 			 */
 			if (unlikely(r < 0))
 				break;
+
+			io->sector = sector;
 		}
 
 		/*
-- 
GitLab


From 393b47ef23bbcf16890c907d0144b5a8ec4caebf Mon Sep 17 00:00:00 2001
From: Milan Broz <mbroz@redhat.com>
Date: Tue, 21 Oct 2008 17:45:02 +0100
Subject: [PATCH 1740/2224] dm crypt: fix async split

When writing io, dm-crypt has to allocate a new cloned bio
and encrypt the data into newly-allocated pages attached to this bio.
In rare cases, because of hw restrictions (e.g. physical segment limit)
or memory pressure, sometimes more than one cloned bio has to be used,
each processing a different fragment of the original.

Currently there is one waitqueue which waits for one fragment to finish
and continues processing the next fragment.

But when using asynchronous crypto this doesn't work, because several
fragments may be processed asynchronously or in parallel and there is
only one crypt context that cannot be shared between the bio fragments.
The result may be corruption of the data contained in the encrypted bio.

The patch fixes this by allocating new dm_crypt_io structs (with new
crypto contexts) and running them independently.

The fragments contains a pointer to the base dm_crypt_io struct to
handle reference counting, so the base one is properly deallocated
after all the fragments are finished.

In a low memory situation, this only uses one additional object from the
mempool.  If the mempool is empty, the next allocation simple waits for
previous fragments to complete.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm-crypt.c | 41 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index ad98ded3008..046ee516074 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -56,6 +56,7 @@ struct dm_crypt_io {
 	atomic_t pending;
 	int error;
 	sector_t sector;
+	struct dm_crypt_io *base_io;
 };
 
 struct dm_crypt_request {
@@ -534,6 +535,7 @@ static struct dm_crypt_io *crypt_io_alloc(struct dm_target *ti,
 	io->base_bio = bio;
 	io->sector = sector;
 	io->error = 0;
+	io->base_io = NULL;
 	atomic_set(&io->pending, 0);
 
 	return io;
@@ -547,6 +549,7 @@ static void crypt_inc_pending(struct dm_crypt_io *io)
 /*
  * One of the bios was finished. Check for completion of
  * the whole request and correctly clean up the buffer.
+ * If base_io is set, wait for the last fragment to complete.
  */
 static void crypt_dec_pending(struct dm_crypt_io *io)
 {
@@ -555,7 +558,14 @@ static void crypt_dec_pending(struct dm_crypt_io *io)
 	if (!atomic_dec_and_test(&io->pending))
 		return;
 
-	bio_endio(io->base_bio, io->error);
+	if (likely(!io->base_io))
+		bio_endio(io->base_bio, io->error);
+	else {
+		if (io->error && !io->base_io->error)
+			io->base_io->error = io->error;
+		crypt_dec_pending(io->base_io);
+	}
+
 	mempool_free(io, cc->io_pool);
 }
 
@@ -699,6 +709,7 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 {
 	struct crypt_config *cc = io->target->private;
 	struct bio *clone;
+	struct dm_crypt_io *new_io;
 	int crypt_finished;
 	unsigned out_of_pages = 0;
 	unsigned remaining = io->base_bio->bi_size;
@@ -753,6 +764,34 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 		if (unlikely(out_of_pages))
 			congestion_wait(WRITE, HZ/100);
 
+		/*
+		 * With async crypto it is unsafe to share the crypto context
+		 * between fragments, so switch to a new dm_crypt_io structure.
+		 */
+		if (unlikely(!crypt_finished && remaining)) {
+			new_io = crypt_io_alloc(io->target, io->base_bio,
+						sector);
+			crypt_inc_pending(new_io);
+			crypt_convert_init(cc, &new_io->ctx, NULL,
+					   io->base_bio, sector);
+			new_io->ctx.idx_in = io->ctx.idx_in;
+			new_io->ctx.offset_in = io->ctx.offset_in;
+
+			/*
+			 * Fragments after the first use the base_io
+			 * pending count.
+			 */
+			if (!io->base_io)
+				new_io->base_io = io;
+			else {
+				new_io->base_io = io->base_io;
+				crypt_inc_pending(io->base_io);
+				crypt_dec_pending(io);
+			}
+
+			io = new_io;
+		}
+
 		if (unlikely(remaining))
 			wait_event(cc->writeq, !atomic_read(&io->ctx.pending));
 	}
-- 
GitLab


From 0a4a1047a445062793d9004bcb0d52756726fdf5 Mon Sep 17 00:00:00 2001
From: Milan Broz <mbroz@redhat.com>
Date: Tue, 21 Oct 2008 17:45:03 +0100
Subject: [PATCH 1741/2224] dm crypt: remove waitqueue

Remove waitqueue no longer needed with the async crypto interface.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm-crypt.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 046ee516074..ce26c84af06 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -94,7 +94,6 @@ struct crypt_config {
 
 	struct workqueue_struct *io_queue;
 	struct workqueue_struct *crypt_queue;
-	wait_queue_head_t writeq;
 
 	/*
 	 * crypto related data
@@ -656,10 +655,7 @@ static void kcryptd_io_read(struct dm_crypt_io *io)
 static void kcryptd_io_write(struct dm_crypt_io *io)
 {
 	struct bio *clone = io->ctx.bio_out;
-	struct crypt_config *cc = io->target->private;
-
 	generic_make_request(clone);
-	wake_up(&cc->writeq);
 }
 
 static void kcryptd_io(struct work_struct *work)
@@ -791,9 +787,6 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 
 			io = new_io;
 		}
-
-		if (unlikely(remaining))
-			wait_event(cc->writeq, !atomic_read(&io->ctx.pending));
 	}
 
 	crypt_dec_pending(io);
@@ -1120,7 +1113,6 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		goto bad_crypt_queue;
 	}
 
-	init_waitqueue_head(&cc->writeq);
 	ti->private = cc;
 	return 0;
 
-- 
GitLab


From f3e1d26ede3fb15c06904d700f1d7b21bba2215e Mon Sep 17 00:00:00 2001
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Date: Tue, 21 Oct 2008 17:45:04 +0100
Subject: [PATCH 1742/2224] dm: mark split bio as cloned

When a bio gets split, mark its fragments with the BIO_CLONED flag.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 327de03a5bd..829d9fc6645 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -669,6 +669,7 @@ static struct bio *split_bvec(struct bio *bio, sector_t sector,
 	clone->bi_size = to_bytes(len);
 	clone->bi_io_vec->bv_offset = offset;
 	clone->bi_io_vec->bv_len = clone->bi_size;
+	clone->bi_flags |= 1 << BIO_CLONED;
 
 	return clone;
 }
-- 
GitLab


From 1f965b19437017cea6d3f3f46acdc5acae5fd011 Mon Sep 17 00:00:00 2001
From: Heinz Mauelshagen <hjm@redhat.com>
Date: Tue, 21 Oct 2008 17:45:06 +0100
Subject: [PATCH 1743/2224] dm raid1: separate region_hash interface part1

Separate the region hash code from raid1 so it can be shared by forthcoming
targets.  Use BUG_ON() for failed async dm_io() calls.

Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/Makefile            |   2 +-
 drivers/md/dm-raid1.c          | 789 +++++----------------------------
 drivers/md/dm-region-hash.c    | 704 +++++++++++++++++++++++++++++
 include/linux/dm-region-hash.h | 104 +++++
 4 files changed, 912 insertions(+), 687 deletions(-)
 create mode 100644 drivers/md/dm-region-hash.c
 create mode 100644 include/linux/dm-region-hash.h

diff --git a/drivers/md/Makefile b/drivers/md/Makefile
index f1ef33dfd8c..1c615804ea7 100644
--- a/drivers/md/Makefile
+++ b/drivers/md/Makefile
@@ -34,7 +34,7 @@ obj-$(CONFIG_DM_CRYPT)		+= dm-crypt.o
 obj-$(CONFIG_DM_DELAY)		+= dm-delay.o
 obj-$(CONFIG_DM_MULTIPATH)	+= dm-multipath.o dm-round-robin.o
 obj-$(CONFIG_DM_SNAPSHOT)	+= dm-snapshot.o
-obj-$(CONFIG_DM_MIRROR)		+= dm-mirror.o dm-log.o
+obj-$(CONFIG_DM_MIRROR)		+= dm-mirror.o dm-log.o dm-region-hash.o
 obj-$(CONFIG_DM_ZERO)		+= dm-zero.o
 
 quiet_cmd_unroll = UNROLL  $@
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index f358853af5c..92dcc06832a 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1,118 +1,36 @@
 /*
  * Copyright (C) 2003 Sistina Software Limited.
+ * Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved.
  *
  * This file is released under the GPL.
  */
 
-#include <linux/device-mapper.h>
-
 #include "dm-bio-list.h"
 #include "dm-bio-record.h"
 
-#include <linux/ctype.h>
 #include <linux/init.h>
 #include <linux/mempool.h>
 #include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/slab.h>
-#include <linux/time.h>
-#include <linux/vmalloc.h>
 #include <linux/workqueue.h>
-#include <linux/log2.h>
-#include <linux/hardirq.h>
+#include <linux/device-mapper.h>
 #include <linux/dm-io.h>
 #include <linux/dm-dirty-log.h>
 #include <linux/dm-kcopyd.h>
+#include <linux/dm-region-hash.h>
 
 #define DM_MSG_PREFIX "raid1"
+
+#define MAX_RECOVERY 1	/* Maximum number of regions recovered in parallel. */
 #define DM_IO_PAGES 64
+#define DM_KCOPYD_PAGES 64
 
 #define DM_RAID1_HANDLE_ERRORS 0x01
 #define errors_handled(p)	((p)->features & DM_RAID1_HANDLE_ERRORS)
 
 static DECLARE_WAIT_QUEUE_HEAD(_kmirrord_recovery_stopped);
 
-/*-----------------------------------------------------------------
- * Region hash
- *
- * The mirror splits itself up into discrete regions.  Each
- * region can be in one of three states: clean, dirty,
- * nosync.  There is no need to put clean regions in the hash.
- *
- * In addition to being present in the hash table a region _may_
- * be present on one of three lists.
- *
- *   clean_regions: Regions on this list have no io pending to
- *   them, they are in sync, we are no longer interested in them,
- *   they are dull.  rh_update_states() will remove them from the
- *   hash table.
- *
- *   quiesced_regions: These regions have been spun down, ready
- *   for recovery.  rh_recovery_start() will remove regions from
- *   this list and hand them to kmirrord, which will schedule the
- *   recovery io with kcopyd.
- *
- *   recovered_regions: Regions that kcopyd has successfully
- *   recovered.  rh_update_states() will now schedule any delayed
- *   io, up the recovery_count, and remove the region from the
- *   hash.
- *
- * There are 2 locks:
- *   A rw spin lock 'hash_lock' protects just the hash table,
- *   this is never held in write mode from interrupt context,
- *   which I believe means that we only have to disable irqs when
- *   doing a write lock.
- *
- *   An ordinary spin lock 'region_lock' that protects the three
- *   lists in the region_hash, with the 'state', 'list' and
- *   'bhs_delayed' fields of the regions.  This is used from irq
- *   context, so all other uses will have to suspend local irqs.
- *---------------------------------------------------------------*/
-struct mirror_set;
-struct region_hash {
-	struct mirror_set *ms;
-	uint32_t region_size;
-	unsigned region_shift;
-
-	/* holds persistent region state */
-	struct dm_dirty_log *log;
-
-	/* hash table */
-	rwlock_t hash_lock;
-	mempool_t *region_pool;
-	unsigned int mask;
-	unsigned int nr_buckets;
-	struct list_head *buckets;
-
-	spinlock_t region_lock;
-	atomic_t recovery_in_flight;
-	struct semaphore recovery_count;
-	struct list_head clean_regions;
-	struct list_head quiesced_regions;
-	struct list_head recovered_regions;
-	struct list_head failed_recovered_regions;
-};
-
-enum {
-	RH_CLEAN,
-	RH_DIRTY,
-	RH_NOSYNC,
-	RH_RECOVERING
-};
-
-struct region {
-	struct region_hash *rh;	/* FIXME: can we get rid of this ? */
-	region_t key;
-	int state;
-
-	struct list_head hash_list;
-	struct list_head list;
-
-	atomic_t pending;
-	struct bio_list delayed_bios;
-};
-
-
 /*-----------------------------------------------------------------
  * Mirror set structures.
  *---------------------------------------------------------------*/
@@ -133,8 +51,7 @@ struct mirror {
 struct mirror_set {
 	struct dm_target *ti;
 	struct list_head list;
-	struct region_hash rh;
-	struct dm_kcopyd_client *kcopyd_client;
+
 	uint64_t features;
 
 	spinlock_t lock;	/* protects the lists */
@@ -142,6 +59,8 @@ struct mirror_set {
 	struct bio_list writes;
 	struct bio_list failures;
 
+	struct dm_region_hash *rh;
+	struct dm_kcopyd_client *kcopyd_client;
 	struct dm_io_client *io_client;
 	mempool_t *read_record_pool;
 
@@ -160,25 +79,14 @@ struct mirror_set {
 
 	struct work_struct trigger_event;
 
-	unsigned int nr_mirrors;
+	unsigned nr_mirrors;
 	struct mirror mirror[0];
 };
 
-/*
- * Conversion fns
- */
-static inline region_t bio_to_region(struct region_hash *rh, struct bio *bio)
+static void wakeup_mirrord(void *context)
 {
-	return (bio->bi_sector - rh->ms->ti->begin) >> rh->region_shift;
-}
+	struct mirror_set *ms = context;
 
-static inline sector_t region_to_sector(struct region_hash *rh, region_t region)
-{
-	return region << rh->region_shift;
-}
-
-static void wake(struct mirror_set *ms)
-{
 	queue_work(ms->kmirrord_wq, &ms->kmirrord_work);
 }
 
@@ -187,7 +95,7 @@ static void delayed_wake_fn(unsigned long data)
 	struct mirror_set *ms = (struct mirror_set *) data;
 
 	clear_bit(0, &ms->timer_pending);
-	wake(ms);
+	wakeup_mirrord(ms);
 }
 
 static void delayed_wake(struct mirror_set *ms)
@@ -201,473 +109,34 @@ static void delayed_wake(struct mirror_set *ms)
 	add_timer(&ms->timer);
 }
 
-/* FIXME move this */
-static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw);
-
-#define MIN_REGIONS 64
-#define MAX_RECOVERY 1
-static int rh_init(struct region_hash *rh, struct mirror_set *ms,
-		   struct dm_dirty_log *log, uint32_t region_size,
-		   region_t nr_regions)
-{
-	unsigned int nr_buckets, max_buckets;
-	size_t i;
-
-	/*
-	 * Calculate a suitable number of buckets for our hash
-	 * table.
-	 */
-	max_buckets = nr_regions >> 6;
-	for (nr_buckets = 128u; nr_buckets < max_buckets; nr_buckets <<= 1)
-		;
-	nr_buckets >>= 1;
-
-	rh->ms = ms;
-	rh->log = log;
-	rh->region_size = region_size;
-	rh->region_shift = ffs(region_size) - 1;
-	rwlock_init(&rh->hash_lock);
-	rh->mask = nr_buckets - 1;
-	rh->nr_buckets = nr_buckets;
-
-	rh->buckets = vmalloc(nr_buckets * sizeof(*rh->buckets));
-	if (!rh->buckets) {
-		DMERR("unable to allocate region hash memory");
-		return -ENOMEM;
-	}
-
-	for (i = 0; i < nr_buckets; i++)
-		INIT_LIST_HEAD(rh->buckets + i);
-
-	spin_lock_init(&rh->region_lock);
-	sema_init(&rh->recovery_count, 0);
-	atomic_set(&rh->recovery_in_flight, 0);
-	INIT_LIST_HEAD(&rh->clean_regions);
-	INIT_LIST_HEAD(&rh->quiesced_regions);
-	INIT_LIST_HEAD(&rh->recovered_regions);
-	INIT_LIST_HEAD(&rh->failed_recovered_regions);
-
-	rh->region_pool = mempool_create_kmalloc_pool(MIN_REGIONS,
-						      sizeof(struct region));
-	if (!rh->region_pool) {
-		vfree(rh->buckets);
-		rh->buckets = NULL;
-		return -ENOMEM;
-	}
-
-	return 0;
-}
-
-static void rh_exit(struct region_hash *rh)
-{
-	unsigned int h;
-	struct region *reg, *nreg;
-
-	BUG_ON(!list_empty(&rh->quiesced_regions));
-	for (h = 0; h < rh->nr_buckets; h++) {
-		list_for_each_entry_safe(reg, nreg, rh->buckets + h, hash_list) {
-			BUG_ON(atomic_read(&reg->pending));
-			mempool_free(reg, rh->region_pool);
-		}
-	}
-
-	if (rh->log)
-		dm_dirty_log_destroy(rh->log);
-	if (rh->region_pool)
-		mempool_destroy(rh->region_pool);
-	vfree(rh->buckets);
-}
-
-#define RH_HASH_MULT 2654435387U
-
-static inline unsigned int rh_hash(struct region_hash *rh, region_t region)
-{
-	return (unsigned int) ((region * RH_HASH_MULT) >> 12) & rh->mask;
-}
-
-static struct region *__rh_lookup(struct region_hash *rh, region_t region)
-{
-	struct region *reg;
-
-	list_for_each_entry (reg, rh->buckets + rh_hash(rh, region), hash_list)
-		if (reg->key == region)
-			return reg;
-
-	return NULL;
-}
-
-static void __rh_insert(struct region_hash *rh, struct region *reg)
-{
-	unsigned int h = rh_hash(rh, reg->key);
-	list_add(&reg->hash_list, rh->buckets + h);
-}
-
-static struct region *__rh_alloc(struct region_hash *rh, region_t region)
-{
-	struct region *reg, *nreg;
-
-	read_unlock(&rh->hash_lock);
-	nreg = mempool_alloc(rh->region_pool, GFP_ATOMIC);
-	if (unlikely(!nreg))
-		nreg = kmalloc(sizeof(struct region), GFP_NOIO);
-	nreg->state = rh->log->type->in_sync(rh->log, region, 1) ?
-		RH_CLEAN : RH_NOSYNC;
-	nreg->rh = rh;
-	nreg->key = region;
-
-	INIT_LIST_HEAD(&nreg->list);
-
-	atomic_set(&nreg->pending, 0);
-	bio_list_init(&nreg->delayed_bios);
-	write_lock_irq(&rh->hash_lock);
-
-	reg = __rh_lookup(rh, region);
-	if (reg)
-		/* we lost the race */
-		mempool_free(nreg, rh->region_pool);
-
-	else {
-		__rh_insert(rh, nreg);
-		if (nreg->state == RH_CLEAN) {
-			spin_lock(&rh->region_lock);
-			list_add(&nreg->list, &rh->clean_regions);
-			spin_unlock(&rh->region_lock);
-		}
-		reg = nreg;
-	}
-	write_unlock_irq(&rh->hash_lock);
-	read_lock(&rh->hash_lock);
-
-	return reg;
-}
-
-static inline struct region *__rh_find(struct region_hash *rh, region_t region)
-{
-	struct region *reg;
-
-	reg = __rh_lookup(rh, region);
-	if (!reg)
-		reg = __rh_alloc(rh, region);
-
-	return reg;
-}
-
-static int rh_state(struct region_hash *rh, region_t region, int may_block)
-{
-	int r;
-	struct region *reg;
-
-	read_lock(&rh->hash_lock);
-	reg = __rh_lookup(rh, region);
-	read_unlock(&rh->hash_lock);
-
-	if (reg)
-		return reg->state;
-
-	/*
-	 * The region wasn't in the hash, so we fall back to the
-	 * dirty log.
-	 */
-	r = rh->log->type->in_sync(rh->log, region, may_block);
-
-	/*
-	 * Any error from the dirty log (eg. -EWOULDBLOCK) gets
-	 * taken as a RH_NOSYNC
-	 */
-	return r == 1 ? RH_CLEAN : RH_NOSYNC;
-}
-
-static inline int rh_in_sync(struct region_hash *rh,
-			     region_t region, int may_block)
-{
-	int state = rh_state(rh, region, may_block);
-	return state == RH_CLEAN || state == RH_DIRTY;
-}
-
-static void dispatch_bios(struct mirror_set *ms, struct bio_list *bio_list)
-{
-	struct bio *bio;
-
-	while ((bio = bio_list_pop(bio_list))) {
-		queue_bio(ms, bio, WRITE);
-	}
-}
-
-static void complete_resync_work(struct region *reg, int success)
-{
-	struct region_hash *rh = reg->rh;
-
-	rh->log->type->set_region_sync(rh->log, reg->key, success);
-
-	/*
-	 * Dispatch the bios before we call 'wake_up_all'.
-	 * This is important because if we are suspending,
-	 * we want to know that recovery is complete and
-	 * the work queue is flushed.  If we wake_up_all
-	 * before we dispatch_bios (queue bios and call wake()),
-	 * then we risk suspending before the work queue
-	 * has been properly flushed.
-	 */
-	dispatch_bios(rh->ms, &reg->delayed_bios);
-	if (atomic_dec_and_test(&rh->recovery_in_flight))
-		wake_up_all(&_kmirrord_recovery_stopped);
-	up(&rh->recovery_count);
-}
-
-static void rh_update_states(struct region_hash *rh)
-{
-	struct region *reg, *next;
-
-	LIST_HEAD(clean);
-	LIST_HEAD(recovered);
-	LIST_HEAD(failed_recovered);
-
-	/*
-	 * Quickly grab the lists.
-	 */
-	write_lock_irq(&rh->hash_lock);
-	spin_lock(&rh->region_lock);
-	if (!list_empty(&rh->clean_regions)) {
-		list_splice_init(&rh->clean_regions, &clean);
-
-		list_for_each_entry(reg, &clean, list)
-			list_del(&reg->hash_list);
-	}
-
-	if (!list_empty(&rh->recovered_regions)) {
-		list_splice_init(&rh->recovered_regions, &recovered);
-
-		list_for_each_entry (reg, &recovered, list)
-			list_del(&reg->hash_list);
-	}
-
-	if (!list_empty(&rh->failed_recovered_regions)) {
-		list_splice_init(&rh->failed_recovered_regions,
-				 &failed_recovered);
-
-		list_for_each_entry(reg, &failed_recovered, list)
-			list_del(&reg->hash_list);
-	}
-
-	spin_unlock(&rh->region_lock);
-	write_unlock_irq(&rh->hash_lock);
-
-	/*
-	 * All the regions on the recovered and clean lists have
-	 * now been pulled out of the system, so no need to do
-	 * any more locking.
-	 */
-	list_for_each_entry_safe (reg, next, &recovered, list) {
-		rh->log->type->clear_region(rh->log, reg->key);
-		complete_resync_work(reg, 1);
-		mempool_free(reg, rh->region_pool);
-	}
-
-	list_for_each_entry_safe(reg, next, &failed_recovered, list) {
-		complete_resync_work(reg, errors_handled(rh->ms) ? 0 : 1);
-		mempool_free(reg, rh->region_pool);
-	}
-
-	list_for_each_entry_safe(reg, next, &clean, list) {
-		rh->log->type->clear_region(rh->log, reg->key);
-		mempool_free(reg, rh->region_pool);
-	}
-
-	rh->log->type->flush(rh->log);
-}
-
-static void rh_inc(struct region_hash *rh, region_t region)
-{
-	struct region *reg;
-
-	read_lock(&rh->hash_lock);
-	reg = __rh_find(rh, region);
-
-	spin_lock_irq(&rh->region_lock);
-	atomic_inc(&reg->pending);
-
-	if (reg->state == RH_CLEAN) {
-		reg->state = RH_DIRTY;
-		list_del_init(&reg->list);	/* take off the clean list */
-		spin_unlock_irq(&rh->region_lock);
-
-		rh->log->type->mark_region(rh->log, reg->key);
-	} else
-		spin_unlock_irq(&rh->region_lock);
-
-
-	read_unlock(&rh->hash_lock);
-}
-
-static void rh_inc_pending(struct region_hash *rh, struct bio_list *bios)
+static void wakeup_all_recovery_waiters(void *context)
 {
-	struct bio *bio;
-
-	for (bio = bios->head; bio; bio = bio->bi_next)
-		rh_inc(rh, bio_to_region(rh, bio));
+	wake_up_all(&_kmirrord_recovery_stopped);
 }
 
-static void rh_dec(struct region_hash *rh, region_t region)
+static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw)
 {
 	unsigned long flags;
-	struct region *reg;
 	int should_wake = 0;
+	struct bio_list *bl;
 
-	read_lock(&rh->hash_lock);
-	reg = __rh_lookup(rh, region);
-	read_unlock(&rh->hash_lock);
-
-	spin_lock_irqsave(&rh->region_lock, flags);
-	if (atomic_dec_and_test(&reg->pending)) {
-		/*
-		 * There is no pending I/O for this region.
-		 * We can move the region to corresponding list for next action.
-		 * At this point, the region is not yet connected to any list.
-		 *
-		 * If the state is RH_NOSYNC, the region should be kept off
-		 * from clean list.
-		 * The hash entry for RH_NOSYNC will remain in memory
-		 * until the region is recovered or the map is reloaded.
-		 */
-
-		/* do nothing for RH_NOSYNC */
-		if (reg->state == RH_RECOVERING) {
-			list_add_tail(&reg->list, &rh->quiesced_regions);
-		} else if (reg->state == RH_DIRTY) {
-			reg->state = RH_CLEAN;
-			list_add(&reg->list, &rh->clean_regions);
-		}
-		should_wake = 1;
-	}
-	spin_unlock_irqrestore(&rh->region_lock, flags);
+	bl = (rw == WRITE) ? &ms->writes : &ms->reads;
+	spin_lock_irqsave(&ms->lock, flags);
+	should_wake = !(bl->head);
+	bio_list_add(bl, bio);
+	spin_unlock_irqrestore(&ms->lock, flags);
 
 	if (should_wake)
-		wake(rh->ms);
+		wakeup_mirrord(ms);
 }
 
-/*
- * Starts quiescing a region in preparation for recovery.
- */
-static int __rh_recovery_prepare(struct region_hash *rh)
+static void dispatch_bios(void *context, struct bio_list *bio_list)
 {
-	int r;
-	struct region *reg;
-	region_t region;
-
-	/*
-	 * Ask the dirty log what's next.
-	 */
-	r = rh->log->type->get_resync_work(rh->log, &region);
-	if (r <= 0)
-		return r;
-
-	/*
-	 * Get this region, and start it quiescing by setting the
-	 * recovering flag.
-	 */
-	read_lock(&rh->hash_lock);
-	reg = __rh_find(rh, region);
-	read_unlock(&rh->hash_lock);
-
-	spin_lock_irq(&rh->region_lock);
-	reg->state = RH_RECOVERING;
-
-	/* Already quiesced ? */
-	if (atomic_read(&reg->pending))
-		list_del_init(&reg->list);
-	else
-		list_move(&reg->list, &rh->quiesced_regions);
-
-	spin_unlock_irq(&rh->region_lock);
-
-	return 1;
-}
-
-static void rh_recovery_prepare(struct region_hash *rh)
-{
-	/* Extra reference to avoid race with rh_stop_recovery */
-	atomic_inc(&rh->recovery_in_flight);
-
-	while (!down_trylock(&rh->recovery_count)) {
-		atomic_inc(&rh->recovery_in_flight);
-		if (__rh_recovery_prepare(rh) <= 0) {
-			atomic_dec(&rh->recovery_in_flight);
-			up(&rh->recovery_count);
-			break;
-		}
-	}
-
-	/* Drop the extra reference */
-	if (atomic_dec_and_test(&rh->recovery_in_flight))
-		wake_up_all(&_kmirrord_recovery_stopped);
-}
-
-/*
- * Returns any quiesced regions.
- */
-static struct region *rh_recovery_start(struct region_hash *rh)
-{
-	struct region *reg = NULL;
-
-	spin_lock_irq(&rh->region_lock);
-	if (!list_empty(&rh->quiesced_regions)) {
-		reg = list_entry(rh->quiesced_regions.next,
-				 struct region, list);
-		list_del_init(&reg->list);	/* remove from the quiesced list */
-	}
-	spin_unlock_irq(&rh->region_lock);
-
-	return reg;
-}
-
-static void rh_recovery_end(struct region *reg, int success)
-{
-	struct region_hash *rh = reg->rh;
-
-	spin_lock_irq(&rh->region_lock);
-	if (success)
-		list_add(&reg->list, &reg->rh->recovered_regions);
-	else {
-		reg->state = RH_NOSYNC;
-		list_add(&reg->list, &reg->rh->failed_recovered_regions);
-	}
-	spin_unlock_irq(&rh->region_lock);
-
-	wake(rh->ms);
-}
-
-static int rh_flush(struct region_hash *rh)
-{
-	return rh->log->type->flush(rh->log);
-}
-
-static void rh_delay(struct region_hash *rh, struct bio *bio)
-{
-	struct region *reg;
-
-	read_lock(&rh->hash_lock);
-	reg = __rh_find(rh, bio_to_region(rh, bio));
-	bio_list_add(&reg->delayed_bios, bio);
-	read_unlock(&rh->hash_lock);
-}
-
-static void rh_stop_recovery(struct region_hash *rh)
-{
-	int i;
-
-	/* wait for any recovering regions */
-	for (i = 0; i < MAX_RECOVERY; i++)
-		down(&rh->recovery_count);
-}
-
-static void rh_start_recovery(struct region_hash *rh)
-{
-	int i;
-
-	for (i = 0; i < MAX_RECOVERY; i++)
-		up(&rh->recovery_count);
+	struct mirror_set *ms = context;
+	struct bio *bio;
 
-	wake(rh->ms);
+	while ((bio = bio_list_pop(bio_list)))
+		queue_bio(ms, bio, WRITE);
 }
 
 #define MIN_READ_RECORDS 20
@@ -777,8 +246,8 @@ out:
 static void recovery_complete(int read_err, unsigned long write_err,
 			      void *context)
 {
-	struct region *reg = (struct region *)context;
-	struct mirror_set *ms = reg->rh->ms;
+	struct dm_region *reg = context;
+	struct mirror_set *ms = dm_rh_region_context(reg);
 	int m, bit = 0;
 
 	if (read_err) {
@@ -804,31 +273,33 @@ static void recovery_complete(int read_err, unsigned long write_err,
 		}
 	}
 
-	rh_recovery_end(reg, !(read_err || write_err));
+	dm_rh_recovery_end(reg, !(read_err || write_err));
 }
 
-static int recover(struct mirror_set *ms, struct region *reg)
+static int recover(struct mirror_set *ms, struct dm_region *reg)
 {
 	int r;
-	unsigned int i;
+	unsigned i;
 	struct dm_io_region from, to[DM_KCOPYD_MAX_REGIONS], *dest;
 	struct mirror *m;
 	unsigned long flags = 0;
+	region_t key = dm_rh_get_region_key(reg);
+	sector_t region_size = dm_rh_get_region_size(ms->rh);
 
 	/* fill in the source */
 	m = get_default_mirror(ms);
 	from.bdev = m->dev->bdev;
-	from.sector = m->offset + region_to_sector(reg->rh, reg->key);
-	if (reg->key == (ms->nr_regions - 1)) {
+	from.sector = m->offset + dm_rh_region_to_sector(ms->rh, key);
+	if (key == (ms->nr_regions - 1)) {
 		/*
 		 * The final region may be smaller than
 		 * region_size.
 		 */
-		from.count = ms->ti->len & (reg->rh->region_size - 1);
+		from.count = ms->ti->len & (region_size - 1);
 		if (!from.count)
-			from.count = reg->rh->region_size;
+			from.count = region_size;
 	} else
-		from.count = reg->rh->region_size;
+		from.count = region_size;
 
 	/* fill in the destinations */
 	for (i = 0, dest = to; i < ms->nr_mirrors; i++) {
@@ -837,7 +308,7 @@ static int recover(struct mirror_set *ms, struct region *reg)
 
 		m = ms->mirror + i;
 		dest->bdev = m->dev->bdev;
-		dest->sector = m->offset + region_to_sector(reg->rh, reg->key);
+		dest->sector = m->offset + dm_rh_region_to_sector(ms->rh, key);
 		dest->count = from.count;
 		dest++;
 	}
@@ -854,22 +325,22 @@ static int recover(struct mirror_set *ms, struct region *reg)
 
 static void do_recovery(struct mirror_set *ms)
 {
+	struct dm_region *reg;
+	struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
 	int r;
-	struct region *reg;
-	struct dm_dirty_log *log = ms->rh.log;
 
 	/*
 	 * Start quiescing some regions.
 	 */
-	rh_recovery_prepare(&ms->rh);
+	dm_rh_recovery_prepare(ms->rh);
 
 	/*
 	 * Copy any already quiesced regions.
 	 */
-	while ((reg = rh_recovery_start(&ms->rh))) {
+	while ((reg = dm_rh_recovery_start(ms->rh))) {
 		r = recover(ms, reg);
 		if (r)
-			rh_recovery_end(reg, 0);
+			dm_rh_recovery_end(reg, 0);
 	}
 
 	/*
@@ -910,9 +381,10 @@ static int default_ok(struct mirror *m)
 
 static int mirror_available(struct mirror_set *ms, struct bio *bio)
 {
-	region_t region = bio_to_region(&ms->rh, bio);
+	struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
+	region_t region = dm_rh_bio_to_region(ms->rh, bio);
 
-	if (ms->rh.log->type->in_sync(ms->rh.log, region, 0))
+	if (log->type->in_sync(log, region, 0))
 		return choose_mirror(ms,  bio->bi_sector) ? 1 : 0;
 
 	return 0;
@@ -986,7 +458,14 @@ static void read_async_bio(struct mirror *m, struct bio *bio)
 
 	map_region(&io, m, bio);
 	bio_set_m(bio, m);
-	(void) dm_io(&io_req, 1, &io, NULL);
+	BUG_ON(dm_io(&io_req, 1, &io, NULL));
+}
+
+static inline int region_in_sync(struct mirror_set *ms, region_t region,
+				 int may_block)
+{
+	int state = dm_rh_get_state(ms->rh, region, may_block);
+	return state == DM_RH_CLEAN || state == DM_RH_DIRTY;
 }
 
 static void do_reads(struct mirror_set *ms, struct bio_list *reads)
@@ -996,13 +475,13 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads)
 	struct mirror *m;
 
 	while ((bio = bio_list_pop(reads))) {
-		region = bio_to_region(&ms->rh, bio);
+		region = dm_rh_bio_to_region(ms->rh, bio);
 		m = get_default_mirror(ms);
 
 		/*
 		 * We can only read balance if the region is in sync.
 		 */
-		if (likely(rh_in_sync(&ms->rh, region, 1)))
+		if (likely(region_in_sync(ms, region, 1)))
 			m = choose_mirror(ms, bio->bi_sector);
 		else if (m && atomic_read(&m->error_count))
 			m = NULL;
@@ -1025,57 +504,6 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads)
  * NOSYNC:	increment pending, just write to the default mirror
  *---------------------------------------------------------------*/
 
-/* __bio_mark_nosync
- * @ms
- * @bio
- * @done
- * @error
- *
- * The bio was written on some mirror(s) but failed on other mirror(s).
- * We can successfully endio the bio but should avoid the region being
- * marked clean by setting the state RH_NOSYNC.
- *
- * This function is _not_ safe in interrupt context!
- */
-static void __bio_mark_nosync(struct mirror_set *ms,
-			      struct bio *bio, unsigned done, int error)
-{
-	unsigned long flags;
-	struct region_hash *rh = &ms->rh;
-	struct dm_dirty_log *log = ms->rh.log;
-	struct region *reg;
-	region_t region = bio_to_region(rh, bio);
-	int recovering = 0;
-
-	/* We must inform the log that the sync count has changed. */
-	log->type->set_region_sync(log, region, 0);
-	ms->in_sync = 0;
-
-	read_lock(&rh->hash_lock);
-	reg = __rh_find(rh, region);
-	read_unlock(&rh->hash_lock);
-
-	/* region hash entry should exist because write was in-flight */
-	BUG_ON(!reg);
-	BUG_ON(!list_empty(&reg->list));
-
-	spin_lock_irqsave(&rh->region_lock, flags);
-	/*
-	 * Possible cases:
-	 *   1) RH_DIRTY
-	 *   2) RH_NOSYNC: was dirty, other preceeding writes failed
-	 *   3) RH_RECOVERING: flushing pending writes
-	 * Either case, the region should have not been connected to list.
-	 */
-	recovering = (reg->state == RH_RECOVERING);
-	reg->state = RH_NOSYNC;
-	BUG_ON(!list_empty(&reg->list));
-	spin_unlock_irqrestore(&rh->region_lock, flags);
-
-	bio_endio(bio, error);
-	if (recovering)
-		complete_resync_work(reg, 0);
-}
 
 static void write_callback(unsigned long error, void *context)
 {
@@ -1120,7 +548,7 @@ static void write_callback(unsigned long error, void *context)
 		bio_list_add(&ms->failures, bio);
 		spin_unlock_irqrestore(&ms->lock, flags);
 		if (should_wake)
-			wake(ms);
+			wakeup_mirrord(ms);
 		return;
 	}
 out:
@@ -1150,7 +578,7 @@ static void do_write(struct mirror_set *ms, struct bio *bio)
 	 */
 	bio_set_m(bio, get_default_mirror(ms));
 
-	(void) dm_io(&io_req, ms->nr_mirrors, io, NULL);
+	BUG_ON(dm_io(&io_req, ms->nr_mirrors, io, NULL));
 }
 
 static void do_writes(struct mirror_set *ms, struct bio_list *writes)
@@ -1170,18 +598,19 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
 	bio_list_init(&recover);
 
 	while ((bio = bio_list_pop(writes))) {
-		state = rh_state(&ms->rh, bio_to_region(&ms->rh, bio), 1);
+		state = dm_rh_get_state(ms->rh,
+					dm_rh_bio_to_region(ms->rh, bio), 1);
 		switch (state) {
-		case RH_CLEAN:
-		case RH_DIRTY:
+		case DM_RH_CLEAN:
+		case DM_RH_DIRTY:
 			this_list = &sync;
 			break;
 
-		case RH_NOSYNC:
+		case DM_RH_NOSYNC:
 			this_list = &nosync;
 			break;
 
-		case RH_RECOVERING:
+		case DM_RH_RECOVERING:
 			this_list = &recover;
 			break;
 		}
@@ -1194,9 +623,9 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
 	 * be written to (writes to recover regions are going to
 	 * be delayed).
 	 */
-	rh_inc_pending(&ms->rh, &sync);
-	rh_inc_pending(&ms->rh, &nosync);
-	ms->log_failure = rh_flush(&ms->rh) ? 1 : 0;
+	dm_rh_inc_pending(ms->rh, &sync);
+	dm_rh_inc_pending(ms->rh, &nosync);
+	ms->log_failure = dm_rh_flush(ms->rh) ? 1 : 0;
 
 	/*
 	 * Dispatch io.
@@ -1205,13 +634,13 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
 		spin_lock_irq(&ms->lock);
 		bio_list_merge(&ms->failures, &sync);
 		spin_unlock_irq(&ms->lock);
-		wake(ms);
+		wakeup_mirrord(ms);
 	} else
 		while ((bio = bio_list_pop(&sync)))
 			do_write(ms, bio);
 
 	while ((bio = bio_list_pop(&recover)))
-		rh_delay(&ms->rh, bio);
+		dm_rh_delay(ms->rh, bio);
 
 	while ((bio = bio_list_pop(&nosync))) {
 		map_bio(get_default_mirror(ms), bio);
@@ -1228,7 +657,8 @@ static void do_failures(struct mirror_set *ms, struct bio_list *failures)
 
 	if (!ms->log_failure) {
 		while ((bio = bio_list_pop(failures)))
-			__bio_mark_nosync(ms, bio, bio->bi_size, 0);
+			ms->in_sync = 0;
+			dm_rh_mark_nosync(ms->rh, bio, bio->bi_size, 0);
 		return;
 	}
 
@@ -1281,8 +711,8 @@ static void trigger_event(struct work_struct *work)
  *---------------------------------------------------------------*/
 static void do_mirror(struct work_struct *work)
 {
-	struct mirror_set *ms =container_of(work, struct mirror_set,
-					    kmirrord_work);
+	struct mirror_set *ms = container_of(work, struct mirror_set,
+					     kmirrord_work);
 	struct bio_list reads, writes, failures;
 	unsigned long flags;
 
@@ -1295,7 +725,7 @@ static void do_mirror(struct work_struct *work)
 	bio_list_init(&ms->failures);
 	spin_unlock_irqrestore(&ms->lock, flags);
 
-	rh_update_states(&ms->rh);
+	dm_rh_update_states(ms->rh, errors_handled(ms));
 	do_recovery(ms);
 	do_reads(ms, &reads);
 	do_writes(ms, &writes);
@@ -1304,7 +734,6 @@ static void do_mirror(struct work_struct *work)
 	dm_table_unplug_all(ms->ti->table);
 }
 
-
 /*-----------------------------------------------------------------
  * Target functions
  *---------------------------------------------------------------*/
@@ -1351,7 +780,11 @@ static struct mirror_set *alloc_context(unsigned int nr_mirrors,
  		return NULL;
 	}
 
-	if (rh_init(&ms->rh, ms, dl, region_size, ms->nr_regions)) {
+	ms->rh = dm_region_hash_create(ms, dispatch_bios, wakeup_mirrord,
+				       wakeup_all_recovery_waiters,
+				       ms->ti->begin, MAX_RECOVERY,
+				       dl, region_size, ms->nr_regions);
+	if (IS_ERR(ms->rh)) {
 		ti->error = "Error creating dirty region hash";
 		dm_io_client_destroy(ms->io_client);
 		mempool_destroy(ms->read_record_pool);
@@ -1369,7 +802,7 @@ static void free_context(struct mirror_set *ms, struct dm_target *ti,
 		dm_put_device(ti, ms->mirror[m].dev);
 
 	dm_io_client_destroy(ms->io_client);
-	rh_exit(&ms->rh);
+	dm_region_hash_destroy(ms->rh);
 	mempool_destroy(ms->read_record_pool);
 	kfree(ms);
 }
@@ -1409,10 +842,10 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
  * Create dirty log: log_type #log_params <log_params>
  */
 static struct dm_dirty_log *create_dirty_log(struct dm_target *ti,
-					  unsigned int argc, char **argv,
-					  unsigned int *args_used)
+					     unsigned argc, char **argv,
+					     unsigned *args_used)
 {
-	unsigned int param_count;
+	unsigned param_count;
 	struct dm_dirty_log *dl;
 
 	if (argc < 2) {
@@ -1543,7 +976,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	}
 
 	ti->private = ms;
- 	ti->split_io = ms->rh.region_size;
+	ti->split_io = dm_rh_get_region_size(ms->rh);
 
 	ms->kmirrord_wq = create_singlethread_workqueue("kmirrord");
 	if (!ms->kmirrord_wq) {
@@ -1578,11 +1011,11 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		goto err_destroy_wq;
 	}
 
-	r = dm_kcopyd_client_create(DM_IO_PAGES, &ms->kcopyd_client);
+	r = dm_kcopyd_client_create(DM_KCOPYD_PAGES, &ms->kcopyd_client);
 	if (r)
 		goto err_destroy_wq;
 
-	wake(ms);
+	wakeup_mirrord(ms);
 	return 0;
 
 err_destroy_wq:
@@ -1603,22 +1036,6 @@ static void mirror_dtr(struct dm_target *ti)
 	free_context(ms, ti, ms->nr_mirrors);
 }
 
-static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw)
-{
-	unsigned long flags;
-	int should_wake = 0;
-	struct bio_list *bl;
-
-	bl = (rw == WRITE) ? &ms->writes : &ms->reads;
-	spin_lock_irqsave(&ms->lock, flags);
-	should_wake = !(bl->head);
-	bio_list_add(bl, bio);
-	spin_unlock_irqrestore(&ms->lock, flags);
-
-	if (should_wake)
-		wake(ms);
-}
-
 /*
  * Mirror mapping function
  */
@@ -1629,16 +1046,16 @@ static int mirror_map(struct dm_target *ti, struct bio *bio,
 	struct mirror *m;
 	struct mirror_set *ms = ti->private;
 	struct dm_raid1_read_record *read_record = NULL;
+	struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
 
 	if (rw == WRITE) {
 		/* Save region for mirror_end_io() handler */
-		map_context->ll = bio_to_region(&ms->rh, bio);
+		map_context->ll = dm_rh_bio_to_region(ms->rh, bio);
 		queue_bio(ms, bio, rw);
 		return DM_MAPIO_SUBMITTED;
 	}
 
-	r = ms->rh.log->type->in_sync(ms->rh.log,
-				      bio_to_region(&ms->rh, bio), 0);
+	r = log->type->in_sync(log, dm_rh_bio_to_region(ms->rh, bio), 0);
 	if (r < 0 && r != -EWOULDBLOCK)
 		return r;
 
@@ -1686,7 +1103,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio,
 	 * We need to dec pending if this was a write.
 	 */
 	if (rw == WRITE) {
-		rh_dec(&ms->rh, map_context->ll);
+		dm_rh_dec(ms->rh, map_context->ll);
 		return error;
 	}
 
@@ -1742,7 +1159,7 @@ out:
 static void mirror_presuspend(struct dm_target *ti)
 {
 	struct mirror_set *ms = (struct mirror_set *) ti->private;
-	struct dm_dirty_log *log = ms->rh.log;
+	struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
 
 	atomic_set(&ms->suspend, 1);
 
@@ -1750,10 +1167,10 @@ static void mirror_presuspend(struct dm_target *ti)
 	 * We must finish up all the work that we've
 	 * generated (i.e. recovery work).
 	 */
-	rh_stop_recovery(&ms->rh);
+	dm_rh_stop_recovery(ms->rh);
 
 	wait_event(_kmirrord_recovery_stopped,
-		   !atomic_read(&ms->rh.recovery_in_flight));
+		   !dm_rh_recovery_in_flight(ms->rh));
 
 	if (log->type->presuspend && log->type->presuspend(log))
 		/* FIXME: need better error handling */
@@ -1771,7 +1188,7 @@ static void mirror_presuspend(struct dm_target *ti)
 static void mirror_postsuspend(struct dm_target *ti)
 {
 	struct mirror_set *ms = ti->private;
-	struct dm_dirty_log *log = ms->rh.log;
+	struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
 
 	if (log->type->postsuspend && log->type->postsuspend(log))
 		/* FIXME: need better error handling */
@@ -1781,13 +1198,13 @@ static void mirror_postsuspend(struct dm_target *ti)
 static void mirror_resume(struct dm_target *ti)
 {
 	struct mirror_set *ms = ti->private;
-	struct dm_dirty_log *log = ms->rh.log;
+	struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
 
 	atomic_set(&ms->suspend, 0);
 	if (log->type->resume && log->type->resume(log))
 		/* FIXME: need better error handling */
 		DMWARN("log resume failed");
-	rh_start_recovery(&ms->rh);
+	dm_rh_start_recovery(ms->rh);
 }
 
 /*
@@ -1819,7 +1236,7 @@ static int mirror_status(struct dm_target *ti, status_type_t type,
 {
 	unsigned int m, sz = 0;
 	struct mirror_set *ms = (struct mirror_set *) ti->private;
-	struct dm_dirty_log *log = ms->rh.log;
+	struct dm_dirty_log *log = dm_rh_dirty_log(ms->rh);
 	char buffer[ms->nr_mirrors + 1];
 
 	switch (type) {
@@ -1832,15 +1249,15 @@ static int mirror_status(struct dm_target *ti, status_type_t type,
 		buffer[m] = '\0';
 
 		DMEMIT("%llu/%llu 1 %s ",
-		      (unsigned long long)log->type->get_sync_count(ms->rh.log),
+		      (unsigned long long)log->type->get_sync_count(log),
 		      (unsigned long long)ms->nr_regions, buffer);
 
-		sz += log->type->status(ms->rh.log, type, result+sz, maxlen-sz);
+		sz += log->type->status(log, type, result+sz, maxlen-sz);
 
 		break;
 
 	case STATUSTYPE_TABLE:
-		sz = log->type->status(ms->rh.log, type, result, maxlen);
+		sz = log->type->status(log, type, result, maxlen);
 
 		DMEMIT("%d", ms->nr_mirrors);
 		for (m = 0; m < ms->nr_mirrors; m++)
diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c
new file mode 100644
index 00000000000..59f8d9df9e1
--- /dev/null
+++ b/drivers/md/dm-region-hash.c
@@ -0,0 +1,704 @@
+/*
+ * Copyright (C) 2003 Sistina Software Limited.
+ * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
+ *
+ * This file is released under the GPL.
+ */
+
+#include <linux/dm-dirty-log.h>
+#include <linux/dm-region-hash.h>
+
+#include <linux/ctype.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/vmalloc.h>
+
+#include "dm.h"
+#include "dm-bio-list.h"
+
+#define	DM_MSG_PREFIX	"region hash"
+
+/*-----------------------------------------------------------------
+ * Region hash
+ *
+ * The mirror splits itself up into discrete regions.  Each
+ * region can be in one of three states: clean, dirty,
+ * nosync.  There is no need to put clean regions in the hash.
+ *
+ * In addition to being present in the hash table a region _may_
+ * be present on one of three lists.
+ *
+ *   clean_regions: Regions on this list have no io pending to
+ *   them, they are in sync, we are no longer interested in them,
+ *   they are dull.  dm_rh_update_states() will remove them from the
+ *   hash table.
+ *
+ *   quiesced_regions: These regions have been spun down, ready
+ *   for recovery.  rh_recovery_start() will remove regions from
+ *   this list and hand them to kmirrord, which will schedule the
+ *   recovery io with kcopyd.
+ *
+ *   recovered_regions: Regions that kcopyd has successfully
+ *   recovered.  dm_rh_update_states() will now schedule any delayed
+ *   io, up the recovery_count, and remove the region from the
+ *   hash.
+ *
+ * There are 2 locks:
+ *   A rw spin lock 'hash_lock' protects just the hash table,
+ *   this is never held in write mode from interrupt context,
+ *   which I believe means that we only have to disable irqs when
+ *   doing a write lock.
+ *
+ *   An ordinary spin lock 'region_lock' that protects the three
+ *   lists in the region_hash, with the 'state', 'list' and
+ *   'delayed_bios' fields of the regions.  This is used from irq
+ *   context, so all other uses will have to suspend local irqs.
+ *---------------------------------------------------------------*/
+struct dm_region_hash {
+	uint32_t region_size;
+	unsigned region_shift;
+
+	/* holds persistent region state */
+	struct dm_dirty_log *log;
+
+	/* hash table */
+	rwlock_t hash_lock;
+	mempool_t *region_pool;
+	unsigned mask;
+	unsigned nr_buckets;
+	unsigned prime;
+	unsigned shift;
+	struct list_head *buckets;
+
+	unsigned max_recovery; /* Max # of regions to recover in parallel */
+
+	spinlock_t region_lock;
+	atomic_t recovery_in_flight;
+	struct semaphore recovery_count;
+	struct list_head clean_regions;
+	struct list_head quiesced_regions;
+	struct list_head recovered_regions;
+	struct list_head failed_recovered_regions;
+
+	void *context;
+	sector_t target_begin;
+
+	/* Callback function to schedule bios writes */
+	void (*dispatch_bios)(void *context, struct bio_list *bios);
+
+	/* Callback function to wakeup callers worker thread. */
+	void (*wakeup_workers)(void *context);
+
+	/* Callback function to wakeup callers recovery waiters. */
+	void (*wakeup_all_recovery_waiters)(void *context);
+};
+
+struct dm_region {
+	struct dm_region_hash *rh;	/* FIXME: can we get rid of this ? */
+	region_t key;
+	int state;
+
+	struct list_head hash_list;
+	struct list_head list;
+
+	atomic_t pending;
+	struct bio_list delayed_bios;
+};
+
+/*
+ * Conversion fns
+ */
+static region_t dm_rh_sector_to_region(struct dm_region_hash *rh, sector_t sector)
+{
+	return sector >> rh->region_shift;
+}
+
+sector_t dm_rh_region_to_sector(struct dm_region_hash *rh, region_t region)
+{
+	return region << rh->region_shift;
+}
+EXPORT_SYMBOL_GPL(dm_rh_region_to_sector);
+
+region_t dm_rh_bio_to_region(struct dm_region_hash *rh, struct bio *bio)
+{
+	return dm_rh_sector_to_region(rh, bio->bi_sector - rh->target_begin);
+}
+EXPORT_SYMBOL_GPL(dm_rh_bio_to_region);
+
+void *dm_rh_region_context(struct dm_region *reg)
+{
+	return reg->rh->context;
+}
+EXPORT_SYMBOL_GPL(dm_rh_region_context);
+
+region_t dm_rh_get_region_key(struct dm_region *reg)
+{
+	return reg->key;
+}
+EXPORT_SYMBOL_GPL(dm_rh_get_region_key);
+
+sector_t dm_rh_get_region_size(struct dm_region_hash *rh)
+{
+	return rh->region_size;
+}
+EXPORT_SYMBOL_GPL(dm_rh_get_region_size);
+
+/*
+ * FIXME: shall we pass in a structure instead of all these args to
+ * dm_region_hash_create()????
+ */
+#define RH_HASH_MULT 2654435387U
+#define RH_HASH_SHIFT 12
+
+#define MIN_REGIONS 64
+struct dm_region_hash *dm_region_hash_create(
+		void *context, void (*dispatch_bios)(void *context,
+						     struct bio_list *bios),
+		void (*wakeup_workers)(void *context),
+		void (*wakeup_all_recovery_waiters)(void *context),
+		sector_t target_begin, unsigned max_recovery,
+		struct dm_dirty_log *log, uint32_t region_size,
+		region_t nr_regions)
+{
+	struct dm_region_hash *rh;
+	unsigned nr_buckets, max_buckets;
+	size_t i;
+
+	/*
+	 * Calculate a suitable number of buckets for our hash
+	 * table.
+	 */
+	max_buckets = nr_regions >> 6;
+	for (nr_buckets = 128u; nr_buckets < max_buckets; nr_buckets <<= 1)
+		;
+	nr_buckets >>= 1;
+
+	rh = kmalloc(sizeof(*rh), GFP_KERNEL);
+	if (!rh) {
+		DMERR("unable to allocate region hash memory");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	rh->context = context;
+	rh->dispatch_bios = dispatch_bios;
+	rh->wakeup_workers = wakeup_workers;
+	rh->wakeup_all_recovery_waiters = wakeup_all_recovery_waiters;
+	rh->target_begin = target_begin;
+	rh->max_recovery = max_recovery;
+	rh->log = log;
+	rh->region_size = region_size;
+	rh->region_shift = ffs(region_size) - 1;
+	rwlock_init(&rh->hash_lock);
+	rh->mask = nr_buckets - 1;
+	rh->nr_buckets = nr_buckets;
+
+	rh->shift = RH_HASH_SHIFT;
+	rh->prime = RH_HASH_MULT;
+
+	rh->buckets = vmalloc(nr_buckets * sizeof(*rh->buckets));
+	if (!rh->buckets) {
+		DMERR("unable to allocate region hash bucket memory");
+		kfree(rh);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	for (i = 0; i < nr_buckets; i++)
+		INIT_LIST_HEAD(rh->buckets + i);
+
+	spin_lock_init(&rh->region_lock);
+	sema_init(&rh->recovery_count, 0);
+	atomic_set(&rh->recovery_in_flight, 0);
+	INIT_LIST_HEAD(&rh->clean_regions);
+	INIT_LIST_HEAD(&rh->quiesced_regions);
+	INIT_LIST_HEAD(&rh->recovered_regions);
+	INIT_LIST_HEAD(&rh->failed_recovered_regions);
+
+	rh->region_pool = mempool_create_kmalloc_pool(MIN_REGIONS,
+						      sizeof(struct dm_region));
+	if (!rh->region_pool) {
+		vfree(rh->buckets);
+		kfree(rh);
+		rh = ERR_PTR(-ENOMEM);
+	}
+
+	return rh;
+}
+EXPORT_SYMBOL_GPL(dm_region_hash_create);
+
+void dm_region_hash_destroy(struct dm_region_hash *rh)
+{
+	unsigned h;
+	struct dm_region *reg, *nreg;
+
+	BUG_ON(!list_empty(&rh->quiesced_regions));
+	for (h = 0; h < rh->nr_buckets; h++) {
+		list_for_each_entry_safe(reg, nreg, rh->buckets + h,
+					 hash_list) {
+			BUG_ON(atomic_read(&reg->pending));
+			mempool_free(reg, rh->region_pool);
+		}
+	}
+
+	if (rh->log)
+		dm_dirty_log_destroy(rh->log);
+
+	if (rh->region_pool)
+		mempool_destroy(rh->region_pool);
+
+	vfree(rh->buckets);
+	kfree(rh);
+}
+EXPORT_SYMBOL_GPL(dm_region_hash_destroy);
+
+struct dm_dirty_log *dm_rh_dirty_log(struct dm_region_hash *rh)
+{
+	return rh->log;
+}
+EXPORT_SYMBOL_GPL(dm_rh_dirty_log);
+
+static unsigned rh_hash(struct dm_region_hash *rh, region_t region)
+{
+	return (unsigned) ((region * rh->prime) >> rh->shift) & rh->mask;
+}
+
+static struct dm_region *__rh_lookup(struct dm_region_hash *rh, region_t region)
+{
+	struct dm_region *reg;
+	struct list_head *bucket = rh->buckets + rh_hash(rh, region);
+
+	list_for_each_entry(reg, bucket, hash_list)
+		if (reg->key == region)
+			return reg;
+
+	return NULL;
+}
+
+static void __rh_insert(struct dm_region_hash *rh, struct dm_region *reg)
+{
+	list_add(&reg->hash_list, rh->buckets + rh_hash(rh, reg->key));
+}
+
+static struct dm_region *__rh_alloc(struct dm_region_hash *rh, region_t region)
+{
+	struct dm_region *reg, *nreg;
+
+	nreg = mempool_alloc(rh->region_pool, GFP_ATOMIC);
+	if (unlikely(!nreg))
+		nreg = kmalloc(sizeof(*nreg), GFP_NOIO);
+
+	nreg->state = rh->log->type->in_sync(rh->log, region, 1) ?
+		      DM_RH_CLEAN : DM_RH_NOSYNC;
+	nreg->rh = rh;
+	nreg->key = region;
+	INIT_LIST_HEAD(&nreg->list);
+	atomic_set(&nreg->pending, 0);
+	bio_list_init(&nreg->delayed_bios);
+
+	write_lock_irq(&rh->hash_lock);
+	reg = __rh_lookup(rh, region);
+	if (reg)
+		/* We lost the race. */
+		mempool_free(nreg, rh->region_pool);
+	else {
+		__rh_insert(rh, nreg);
+		if (nreg->state == DM_RH_CLEAN) {
+			spin_lock(&rh->region_lock);
+			list_add(&nreg->list, &rh->clean_regions);
+			spin_unlock(&rh->region_lock);
+		}
+
+		reg = nreg;
+	}
+	write_unlock_irq(&rh->hash_lock);
+
+	return reg;
+}
+
+static struct dm_region *__rh_find(struct dm_region_hash *rh, region_t region)
+{
+	struct dm_region *reg;
+
+	reg = __rh_lookup(rh, region);
+	if (!reg) {
+		read_unlock(&rh->hash_lock);
+		reg = __rh_alloc(rh, region);
+		read_lock(&rh->hash_lock);
+	}
+
+	return reg;
+}
+
+int dm_rh_get_state(struct dm_region_hash *rh, region_t region, int may_block)
+{
+	int r;
+	struct dm_region *reg;
+
+	read_lock(&rh->hash_lock);
+	reg = __rh_lookup(rh, region);
+	read_unlock(&rh->hash_lock);
+
+	if (reg)
+		return reg->state;
+
+	/*
+	 * The region wasn't in the hash, so we fall back to the
+	 * dirty log.
+	 */
+	r = rh->log->type->in_sync(rh->log, region, may_block);
+
+	/*
+	 * Any error from the dirty log (eg. -EWOULDBLOCK) gets
+	 * taken as a DM_RH_NOSYNC
+	 */
+	return r == 1 ? DM_RH_CLEAN : DM_RH_NOSYNC;
+}
+EXPORT_SYMBOL_GPL(dm_rh_get_state);
+
+static void complete_resync_work(struct dm_region *reg, int success)
+{
+	struct dm_region_hash *rh = reg->rh;
+
+	rh->log->type->set_region_sync(rh->log, reg->key, success);
+
+	/*
+	 * Dispatch the bios before we call 'wake_up_all'.
+	 * This is important because if we are suspending,
+	 * we want to know that recovery is complete and
+	 * the work queue is flushed.  If we wake_up_all
+	 * before we dispatch_bios (queue bios and call wake()),
+	 * then we risk suspending before the work queue
+	 * has been properly flushed.
+	 */
+	rh->dispatch_bios(rh->context, &reg->delayed_bios);
+	if (atomic_dec_and_test(&rh->recovery_in_flight))
+		rh->wakeup_all_recovery_waiters(rh->context);
+	up(&rh->recovery_count);
+}
+
+/* dm_rh_mark_nosync
+ * @ms
+ * @bio
+ * @done
+ * @error
+ *
+ * The bio was written on some mirror(s) but failed on other mirror(s).
+ * We can successfully endio the bio but should avoid the region being
+ * marked clean by setting the state DM_RH_NOSYNC.
+ *
+ * This function is _not_ safe in interrupt context!
+ */
+void dm_rh_mark_nosync(struct dm_region_hash *rh,
+		       struct bio *bio, unsigned done, int error)
+{
+	unsigned long flags;
+	struct dm_dirty_log *log = rh->log;
+	struct dm_region *reg;
+	region_t region = dm_rh_bio_to_region(rh, bio);
+	int recovering = 0;
+
+	/* We must inform the log that the sync count has changed. */
+	log->type->set_region_sync(log, region, 0);
+
+	read_lock(&rh->hash_lock);
+	reg = __rh_find(rh, region);
+	read_unlock(&rh->hash_lock);
+
+	/* region hash entry should exist because write was in-flight */
+	BUG_ON(!reg);
+	BUG_ON(!list_empty(&reg->list));
+
+	spin_lock_irqsave(&rh->region_lock, flags);
+	/*
+	 * Possible cases:
+	 *   1) DM_RH_DIRTY
+	 *   2) DM_RH_NOSYNC: was dirty, other preceeding writes failed
+	 *   3) DM_RH_RECOVERING: flushing pending writes
+	 * Either case, the region should have not been connected to list.
+	 */
+	recovering = (reg->state == DM_RH_RECOVERING);
+	reg->state = DM_RH_NOSYNC;
+	BUG_ON(!list_empty(&reg->list));
+	spin_unlock_irqrestore(&rh->region_lock, flags);
+
+	bio_endio(bio, error);
+	if (recovering)
+		complete_resync_work(reg, 0);
+}
+EXPORT_SYMBOL_GPL(dm_rh_mark_nosync);
+
+void dm_rh_update_states(struct dm_region_hash *rh, int errors_handled)
+{
+	struct dm_region *reg, *next;
+
+	LIST_HEAD(clean);
+	LIST_HEAD(recovered);
+	LIST_HEAD(failed_recovered);
+
+	/*
+	 * Quickly grab the lists.
+	 */
+	write_lock_irq(&rh->hash_lock);
+	spin_lock(&rh->region_lock);
+	if (!list_empty(&rh->clean_regions)) {
+		list_splice_init(&rh->clean_regions, &clean);
+
+		list_for_each_entry(reg, &clean, list)
+			list_del(&reg->hash_list);
+	}
+
+	if (!list_empty(&rh->recovered_regions)) {
+		list_splice_init(&rh->recovered_regions, &recovered);
+
+		list_for_each_entry(reg, &recovered, list)
+			list_del(&reg->hash_list);
+	}
+
+	if (!list_empty(&rh->failed_recovered_regions)) {
+		list_splice_init(&rh->failed_recovered_regions,
+				 &failed_recovered);
+
+		list_for_each_entry(reg, &failed_recovered, list)
+			list_del(&reg->hash_list);
+	}
+
+	spin_unlock(&rh->region_lock);
+	write_unlock_irq(&rh->hash_lock);
+
+	/*
+	 * All the regions on the recovered and clean lists have
+	 * now been pulled out of the system, so no need to do
+	 * any more locking.
+	 */
+	list_for_each_entry_safe(reg, next, &recovered, list) {
+		rh->log->type->clear_region(rh->log, reg->key);
+		complete_resync_work(reg, 1);
+		mempool_free(reg, rh->region_pool);
+	}
+
+	list_for_each_entry_safe(reg, next, &failed_recovered, list) {
+		complete_resync_work(reg, errors_handled ? 0 : 1);
+		mempool_free(reg, rh->region_pool);
+	}
+
+	list_for_each_entry_safe(reg, next, &clean, list) {
+		rh->log->type->clear_region(rh->log, reg->key);
+		mempool_free(reg, rh->region_pool);
+	}
+
+	rh->log->type->flush(rh->log);
+}
+EXPORT_SYMBOL_GPL(dm_rh_update_states);
+
+static void rh_inc(struct dm_region_hash *rh, region_t region)
+{
+	struct dm_region *reg;
+
+	read_lock(&rh->hash_lock);
+	reg = __rh_find(rh, region);
+
+	spin_lock_irq(&rh->region_lock);
+	atomic_inc(&reg->pending);
+
+	if (reg->state == DM_RH_CLEAN) {
+		reg->state = DM_RH_DIRTY;
+		list_del_init(&reg->list);	/* take off the clean list */
+		spin_unlock_irq(&rh->region_lock);
+
+		rh->log->type->mark_region(rh->log, reg->key);
+	} else
+		spin_unlock_irq(&rh->region_lock);
+
+
+	read_unlock(&rh->hash_lock);
+}
+
+void dm_rh_inc_pending(struct dm_region_hash *rh, struct bio_list *bios)
+{
+	struct bio *bio;
+
+	for (bio = bios->head; bio; bio = bio->bi_next)
+		rh_inc(rh, dm_rh_bio_to_region(rh, bio));
+}
+EXPORT_SYMBOL_GPL(dm_rh_inc_pending);
+
+void dm_rh_dec(struct dm_region_hash *rh, region_t region)
+{
+	unsigned long flags;
+	struct dm_region *reg;
+	int should_wake = 0;
+
+	read_lock(&rh->hash_lock);
+	reg = __rh_lookup(rh, region);
+	read_unlock(&rh->hash_lock);
+
+	spin_lock_irqsave(&rh->region_lock, flags);
+	if (atomic_dec_and_test(&reg->pending)) {
+		/*
+		 * There is no pending I/O for this region.
+		 * We can move the region to corresponding list for next action.
+		 * At this point, the region is not yet connected to any list.
+		 *
+		 * If the state is DM_RH_NOSYNC, the region should be kept off
+		 * from clean list.
+		 * The hash entry for DM_RH_NOSYNC will remain in memory
+		 * until the region is recovered or the map is reloaded.
+		 */
+
+		/* do nothing for DM_RH_NOSYNC */
+		if (reg->state == DM_RH_RECOVERING) {
+			list_add_tail(&reg->list, &rh->quiesced_regions);
+		} else if (reg->state == DM_RH_DIRTY) {
+			reg->state = DM_RH_CLEAN;
+			list_add(&reg->list, &rh->clean_regions);
+		}
+		should_wake = 1;
+	}
+	spin_unlock_irqrestore(&rh->region_lock, flags);
+
+	if (should_wake)
+		rh->wakeup_workers(rh->context);
+}
+EXPORT_SYMBOL_GPL(dm_rh_dec);
+
+/*
+ * Starts quiescing a region in preparation for recovery.
+ */
+static int __rh_recovery_prepare(struct dm_region_hash *rh)
+{
+	int r;
+	region_t region;
+	struct dm_region *reg;
+
+	/*
+	 * Ask the dirty log what's next.
+	 */
+	r = rh->log->type->get_resync_work(rh->log, &region);
+	if (r <= 0)
+		return r;
+
+	/*
+	 * Get this region, and start it quiescing by setting the
+	 * recovering flag.
+	 */
+	read_lock(&rh->hash_lock);
+	reg = __rh_find(rh, region);
+	read_unlock(&rh->hash_lock);
+
+	spin_lock_irq(&rh->region_lock);
+	reg->state = DM_RH_RECOVERING;
+
+	/* Already quiesced ? */
+	if (atomic_read(&reg->pending))
+		list_del_init(&reg->list);
+	else
+		list_move(&reg->list, &rh->quiesced_regions);
+
+	spin_unlock_irq(&rh->region_lock);
+
+	return 1;
+}
+
+void dm_rh_recovery_prepare(struct dm_region_hash *rh)
+{
+	/* Extra reference to avoid race with dm_rh_stop_recovery */
+	atomic_inc(&rh->recovery_in_flight);
+
+	while (!down_trylock(&rh->recovery_count)) {
+		atomic_inc(&rh->recovery_in_flight);
+		if (__rh_recovery_prepare(rh) <= 0) {
+			atomic_dec(&rh->recovery_in_flight);
+			up(&rh->recovery_count);
+			break;
+		}
+	}
+
+	/* Drop the extra reference */
+	if (atomic_dec_and_test(&rh->recovery_in_flight))
+		rh->wakeup_all_recovery_waiters(rh->context);
+}
+EXPORT_SYMBOL_GPL(dm_rh_recovery_prepare);
+
+/*
+ * Returns any quiesced regions.
+ */
+struct dm_region *dm_rh_recovery_start(struct dm_region_hash *rh)
+{
+	struct dm_region *reg = NULL;
+
+	spin_lock_irq(&rh->region_lock);
+	if (!list_empty(&rh->quiesced_regions)) {
+		reg = list_entry(rh->quiesced_regions.next,
+				 struct dm_region, list);
+		list_del_init(&reg->list);  /* remove from the quiesced list */
+	}
+	spin_unlock_irq(&rh->region_lock);
+
+	return reg;
+}
+EXPORT_SYMBOL_GPL(dm_rh_recovery_start);
+
+void dm_rh_recovery_end(struct dm_region *reg, int success)
+{
+	struct dm_region_hash *rh = reg->rh;
+
+	spin_lock_irq(&rh->region_lock);
+	if (success)
+		list_add(&reg->list, &reg->rh->recovered_regions);
+	else {
+		reg->state = DM_RH_NOSYNC;
+		list_add(&reg->list, &reg->rh->failed_recovered_regions);
+	}
+	spin_unlock_irq(&rh->region_lock);
+
+	rh->wakeup_workers(rh->context);
+}
+EXPORT_SYMBOL_GPL(dm_rh_recovery_end);
+
+/* Return recovery in flight count. */
+int dm_rh_recovery_in_flight(struct dm_region_hash *rh)
+{
+	return atomic_read(&rh->recovery_in_flight);
+}
+EXPORT_SYMBOL_GPL(dm_rh_recovery_in_flight);
+
+int dm_rh_flush(struct dm_region_hash *rh)
+{
+	return rh->log->type->flush(rh->log);
+}
+EXPORT_SYMBOL_GPL(dm_rh_flush);
+
+void dm_rh_delay(struct dm_region_hash *rh, struct bio *bio)
+{
+	struct dm_region *reg;
+
+	read_lock(&rh->hash_lock);
+	reg = __rh_find(rh, dm_rh_bio_to_region(rh, bio));
+	bio_list_add(&reg->delayed_bios, bio);
+	read_unlock(&rh->hash_lock);
+}
+EXPORT_SYMBOL_GPL(dm_rh_delay);
+
+void dm_rh_stop_recovery(struct dm_region_hash *rh)
+{
+	int i;
+
+	/* wait for any recovering regions */
+	for (i = 0; i < rh->max_recovery; i++)
+		down(&rh->recovery_count);
+}
+EXPORT_SYMBOL_GPL(dm_rh_stop_recovery);
+
+void dm_rh_start_recovery(struct dm_region_hash *rh)
+{
+	int i;
+
+	for (i = 0; i < rh->max_recovery; i++)
+		up(&rh->recovery_count);
+
+	rh->wakeup_workers(rh->context);
+}
+EXPORT_SYMBOL_GPL(dm_rh_start_recovery);
+
+MODULE_DESCRIPTION(DM_NAME " region hash");
+MODULE_AUTHOR("Joe Thornber/Heinz Mauelshagen <dm-devel@redhat.com>");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/dm-region-hash.h b/include/linux/dm-region-hash.h
new file mode 100644
index 00000000000..a9e652a4137
--- /dev/null
+++ b/include/linux/dm-region-hash.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2003 Sistina Software Limited.
+ * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
+ *
+ * Device-Mapper dirty region hash interface.
+ *
+ * This file is released under the GPL.
+ */
+
+#ifndef DM_REGION_HASH_H
+#define DM_REGION_HASH_H
+
+#include <linux/dm-dirty-log.h>
+
+/*-----------------------------------------------------------------
+ * Region hash
+ *----------------------------------------------------------------*/
+struct dm_region_hash;
+struct dm_region;
+
+/*
+ * States a region can have.
+ */
+enum dm_rh_region_states {
+	DM_RH_CLEAN	 = 0x01,	/* No writes in flight. */
+	DM_RH_DIRTY	 = 0x02,	/* Writes in flight. */
+	DM_RH_NOSYNC	 = 0x04,	/* Out of sync. */
+	DM_RH_RECOVERING = 0x08,	/* Under resynchronization. */
+};
+
+/*
+ * Region hash create/destroy.
+ */
+struct bio_list;
+struct dm_region_hash *dm_region_hash_create(
+		void *context, void (*dispatch_bios)(void *context,
+						     struct bio_list *bios),
+		void (*wakeup_workers)(void *context),
+		void (*wakeup_all_recovery_waiters)(void *context),
+		sector_t target_begin, unsigned max_recovery,
+		struct dm_dirty_log *log, uint32_t region_size,
+		region_t nr_regions);
+void dm_region_hash_destroy(struct dm_region_hash *rh);
+
+struct dm_dirty_log *dm_rh_dirty_log(struct dm_region_hash *rh);
+
+/*
+ * Conversion functions.
+ */
+region_t dm_rh_bio_to_region(struct dm_region_hash *rh, struct bio *bio);
+sector_t dm_rh_region_to_sector(struct dm_region_hash *rh, region_t region);
+void *dm_rh_region_context(struct dm_region *reg);
+
+/*
+ * Get region size and key (ie. number of the region).
+ */
+sector_t dm_rh_get_region_size(struct dm_region_hash *rh);
+region_t dm_rh_get_region_key(struct dm_region *reg);
+
+/*
+ * Get/set/update region state (and dirty log).
+ *
+ */
+int dm_rh_get_state(struct dm_region_hash *rh, region_t region, int may_block);
+void dm_rh_set_state(struct dm_region_hash *rh, region_t region,
+		     enum dm_rh_region_states state, int may_block);
+
+/* Non-zero errors_handled leaves the state of the region NOSYNC */
+void dm_rh_update_states(struct dm_region_hash *rh, int errors_handled);
+
+/* Flush the region hash and dirty log. */
+int dm_rh_flush(struct dm_region_hash *rh);
+
+/* Inc/dec pending count on regions. */
+void dm_rh_inc_pending(struct dm_region_hash *rh, struct bio_list *bios);
+void dm_rh_dec(struct dm_region_hash *rh, region_t region);
+
+/* Delay bios on regions. */
+void dm_rh_delay(struct dm_region_hash *rh, struct bio *bio);
+
+void dm_rh_mark_nosync(struct dm_region_hash *rh,
+		       struct bio *bio, unsigned done, int error);
+
+/*
+ * Region recovery control.
+ */
+
+/* Prepare some regions for recovery by starting to quiesce them. */
+void dm_rh_recovery_prepare(struct dm_region_hash *rh);
+
+/* Try fetching a quiesced region for recovery. */
+struct dm_region *dm_rh_recovery_start(struct dm_region_hash *rh);
+
+/* Report recovery end on a region. */
+void dm_rh_recovery_end(struct dm_region *reg, int error);
+
+/* Returns number of regions with recovery work outstanding. */
+int dm_rh_recovery_in_flight(struct dm_region_hash *rh);
+
+/* Start/stop recovery. */
+void dm_rh_start_recovery(struct dm_region_hash *rh);
+void dm_rh_stop_recovery(struct dm_region_hash *rh);
+
+#endif /* DM_REGION_HASH_H */
-- 
GitLab


From f431d9666fd6e69fbaf305cebc7278d1428950c2 Mon Sep 17 00:00:00 2001
From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Tue, 21 Oct 2008 17:45:07 +0100
Subject: [PATCH 1744/2224] dm: remove unused flush_all

This patch removes the DM_WQ_FLUSH_ALL state that is unnecessary.

The dm_queue_flush(md, DM_WQ_FLUSH_ALL, NULL) in dm_suspend()
is never invoked because:
  - 'goto flush_and_out' is the same as 'goto out' because
    the 'goto flush_and_out' is called only when '!noflush'
  - If r is non-zero, then the code above will invoke 'goto out'
    and skip this code.

No functional change.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 829d9fc6645..6938bfeb5e2 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -76,7 +76,6 @@ union map_info *dm_get_mapinfo(struct bio *bio)
  */
 struct dm_wq_req {
 	enum {
-		DM_WQ_FLUSH_ALL,
 		DM_WQ_FLUSH_DEFERRED,
 	} type;
 	struct work_struct work;
@@ -1395,9 +1394,6 @@ static void dm_wq_work(struct work_struct *work)
 
 	down_write(&md->io_lock);
 	switch (req->type) {
-	case DM_WQ_FLUSH_ALL:
-		__merge_pushback_list(md);
-		/* pass through */
 	case DM_WQ_FLUSH_DEFERRED:
 		__flush_deferred_io(md);
 		break;
@@ -1527,7 +1523,7 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
 		if (!md->suspended_bdev) {
 			DMWARN("bdget failed in dm_suspend");
 			r = -ENOMEM;
-			goto flush_and_out;
+			goto out;
 		}
 
 		/*
@@ -1578,14 +1574,6 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
 
 	set_bit(DMF_SUSPENDED, &md->flags);
 
-flush_and_out:
-	if (r && noflush)
-		/*
-		 * Because there may be already I/Os in the pushback list,
-		 * flush them before return.
-		 */
-		dm_queue_flush(md, DM_WQ_FLUSH_ALL, NULL);
-
 out:
 	if (r && md->suspended_bdev) {
 		bdput(md->suspended_bdev);
-- 
GitLab


From 51157b4ab47e1376c2b93cb854b14b637efeaff2 Mon Sep 17 00:00:00 2001
From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Tue, 21 Oct 2008 17:45:08 +0100
Subject: [PATCH 1745/2224] dm: tidy local_init

This patch tidies local_init() in preparation for request-based dm.
No functional change.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 6938bfeb5e2..d1d0cd0f575 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -150,40 +150,40 @@ static struct kmem_cache *_tio_cache;
 
 static int __init local_init(void)
 {
-	int r;
+	int r = -ENOMEM;
 
 	/* allocate a slab for the dm_ios */
 	_io_cache = KMEM_CACHE(dm_io, 0);
 	if (!_io_cache)
-		return -ENOMEM;
+		return r;
 
 	/* allocate a slab for the target ios */
 	_tio_cache = KMEM_CACHE(dm_target_io, 0);
-	if (!_tio_cache) {
-		kmem_cache_destroy(_io_cache);
-		return -ENOMEM;
-	}
+	if (!_tio_cache)
+		goto out_free_io_cache;
 
 	r = dm_uevent_init();
-	if (r) {
-		kmem_cache_destroy(_tio_cache);
-		kmem_cache_destroy(_io_cache);
-		return r;
-	}
+	if (r)
+		goto out_free_tio_cache;
 
 	_major = major;
 	r = register_blkdev(_major, _name);
-	if (r < 0) {
-		kmem_cache_destroy(_tio_cache);
-		kmem_cache_destroy(_io_cache);
-		dm_uevent_exit();
-		return r;
-	}
+	if (r < 0)
+		goto out_uevent_exit;
 
 	if (!_major)
 		_major = r;
 
 	return 0;
+
+out_uevent_exit:
+	dm_uevent_exit();
+out_free_tio_cache:
+	kmem_cache_destroy(_tio_cache);
+out_free_io_cache:
+	kmem_cache_destroy(_io_cache);
+
+	return r;
 }
 
 static void local_exit(void)
-- 
GitLab


From c4bd822e7b12a9008241d76db45b665f2fef180c Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 21 Oct 2008 20:17:35 +0200
Subject: [PATCH 1746/2224] NOHZ: fix thinko in the timer restart code path

commit fb02fbc14d17837b4b7b02dbb36142c16a7bf208 (NOHZ: restart tick
device from irq_enter())

solves the problem of stale jiffies when long running softirqs happen
in a long idle sleep period, but it has a major thinko in it:

When the interrupt which came in _is_ the timer interrupt which should
expire ts->sched_timer then we cancel and rearm the timer _before_ it
gets expired in hrtimer_interrupt() to the next period. That means the
call back function is not called. This game can go on for ever :(

Prevent this by making sure to only rearm the timer when the expiry
time is more than one tick_period away. Otherwise keep it running as
it is either already expired or will expiry at the right point to
update jiffies.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Venkatesch Pallipadi <venkatesh.pallipadi@intel.com>
---
 kernel/time/tick-sched.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 0581c11fe6c..727c1ae0517 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -567,11 +567,21 @@ static void tick_nohz_switch_to_nohz(void)
 static void tick_nohz_kick_tick(int cpu)
 {
 	struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu);
+	ktime_t delta, now;
 
 	if (!ts->tick_stopped)
 		return;
 
-	tick_nohz_restart(ts, ktime_get());
+	/*
+	 * Do not touch the tick device, when the next expiry is either
+	 * already reached or less/equal than the tick period.
+	 */
+	now = ktime_get();
+	delta =	ktime_sub(ts->sched_timer.expires, now);
+	if (delta.tv64 <= tick_period.tv64)
+		return;
+
+	tick_nohz_restart(ts, now);
 }
 
 #else
-- 
GitLab


From 2bfba3c444fe8b2ab1c38112a89d8f03b61136ca Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Tue, 21 Oct 2008 20:57:23 +0200
Subject: [PATCH 1747/2224] ide: remove useless subdirs from drivers/ide/

Suggested-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Makefile                    | 84 ++++++++++++++++++-------
 drivers/ide/{pci => }/aec62xx.c         |  0
 drivers/ide/{legacy => }/ali14xx.c      |  0
 drivers/ide/{pci => }/alim15x3.c        |  0
 drivers/ide/{pci => }/amd74xx.c         |  0
 drivers/ide/arm/Makefile                | 10 ---
 drivers/ide/{pci => }/atiixp.c          |  0
 drivers/ide/{mips => }/au1xxx-ide.c     |  0
 drivers/ide/{legacy => }/buddha.c       |  0
 drivers/ide/{pci => }/cmd640.c          |  0
 drivers/ide/{pci => }/cmd64x.c          |  0
 drivers/ide/{pci => }/cs5520.c          |  0
 drivers/ide/{pci => }/cs5530.c          |  0
 drivers/ide/{pci => }/cs5535.c          |  0
 drivers/ide/{pci => }/cy82c693.c        |  0
 drivers/ide/{pci => }/delkin_cb.c       |  0
 drivers/ide/{legacy => }/dtc2278.c      |  0
 drivers/ide/{legacy => }/falconide.c    |  0
 drivers/ide/{legacy => }/gayle.c        |  0
 drivers/ide/{pci => }/generic.c         |  0
 drivers/ide/h8300/Makefile              |  2 -
 drivers/ide/{pci => }/hpt366.c          |  0
 drivers/ide/{legacy => }/ht6560b.c      |  0
 drivers/ide/{arm => }/icside.c          |  0
 drivers/ide/{legacy => }/ide-4drives.c  |  0
 drivers/ide/{legacy => }/ide-cs.c       |  0
 drivers/ide/{h8300 => }/ide-h8300.c     |  0
 drivers/ide/{arm => }/ide_arm.c         |  0
 drivers/ide/{legacy => }/ide_platform.c |  0
 drivers/ide/{pci => }/it8213.c          |  0
 drivers/ide/{pci => }/it821x.c          |  0
 drivers/ide/{pci => }/jmicron.c         |  0
 drivers/ide/legacy/Makefile             | 25 --------
 drivers/ide/{legacy => }/macide.c       |  0
 drivers/ide/mips/Makefile               |  3 -
 drivers/ide/{pci => }/ns87415.c         |  0
 drivers/ide/{pci => }/opti621.c         |  0
 drivers/ide/{arm => }/palm_bk3710.c     |  0
 drivers/ide/pci/Makefile                | 43 -------------
 drivers/ide/{pci => }/pdc202xx_new.c    |  0
 drivers/ide/{pci => }/pdc202xx_old.c    |  0
 drivers/ide/{pci => }/piix.c            |  0
 drivers/ide/{ppc => }/pmac.c            |  0
 drivers/ide/ppc/Makefile                |  2 -
 drivers/ide/{legacy => }/q40ide.c       |  0
 drivers/ide/{legacy => }/qd65xx.c       |  0
 drivers/ide/{legacy => }/qd65xx.h       |  0
 drivers/ide/{arm => }/rapide.c          |  0
 drivers/ide/{pci => }/rz1000.c          |  0
 drivers/ide/{pci => }/sc1200.c          |  0
 drivers/ide/{pci => }/scc_pata.c        |  0
 drivers/ide/{pci => }/serverworks.c     |  0
 drivers/ide/{pci => }/sgiioc4.c         |  0
 drivers/ide/{pci => }/siimage.c         |  0
 drivers/ide/{pci => }/sis5513.c         |  0
 drivers/ide/{pci => }/sl82c105.c        |  0
 drivers/ide/{pci => }/slc90e66.c        |  0
 drivers/ide/{pci => }/tc86c001.c        |  0
 drivers/ide/{pci => }/triflex.c         |  0
 drivers/ide/{pci => }/trm290.c          |  0
 drivers/ide/{legacy => }/umc8672.c      |  0
 drivers/ide/{pci => }/via82cxxx.c       |  0
 62 files changed, 63 insertions(+), 106 deletions(-)
 rename drivers/ide/{pci => }/aec62xx.c (100%)
 rename drivers/ide/{legacy => }/ali14xx.c (100%)
 rename drivers/ide/{pci => }/alim15x3.c (100%)
 rename drivers/ide/{pci => }/amd74xx.c (100%)
 delete mode 100644 drivers/ide/arm/Makefile
 rename drivers/ide/{pci => }/atiixp.c (100%)
 rename drivers/ide/{mips => }/au1xxx-ide.c (100%)
 rename drivers/ide/{legacy => }/buddha.c (100%)
 rename drivers/ide/{pci => }/cmd640.c (100%)
 rename drivers/ide/{pci => }/cmd64x.c (100%)
 rename drivers/ide/{pci => }/cs5520.c (100%)
 rename drivers/ide/{pci => }/cs5530.c (100%)
 rename drivers/ide/{pci => }/cs5535.c (100%)
 rename drivers/ide/{pci => }/cy82c693.c (100%)
 rename drivers/ide/{pci => }/delkin_cb.c (100%)
 rename drivers/ide/{legacy => }/dtc2278.c (100%)
 rename drivers/ide/{legacy => }/falconide.c (100%)
 rename drivers/ide/{legacy => }/gayle.c (100%)
 rename drivers/ide/{pci => }/generic.c (100%)
 delete mode 100644 drivers/ide/h8300/Makefile
 rename drivers/ide/{pci => }/hpt366.c (100%)
 rename drivers/ide/{legacy => }/ht6560b.c (100%)
 rename drivers/ide/{arm => }/icside.c (100%)
 rename drivers/ide/{legacy => }/ide-4drives.c (100%)
 rename drivers/ide/{legacy => }/ide-cs.c (100%)
 rename drivers/ide/{h8300 => }/ide-h8300.c (100%)
 rename drivers/ide/{arm => }/ide_arm.c (100%)
 rename drivers/ide/{legacy => }/ide_platform.c (100%)
 rename drivers/ide/{pci => }/it8213.c (100%)
 rename drivers/ide/{pci => }/it821x.c (100%)
 rename drivers/ide/{pci => }/jmicron.c (100%)
 delete mode 100644 drivers/ide/legacy/Makefile
 rename drivers/ide/{legacy => }/macide.c (100%)
 delete mode 100644 drivers/ide/mips/Makefile
 rename drivers/ide/{pci => }/ns87415.c (100%)
 rename drivers/ide/{pci => }/opti621.c (100%)
 rename drivers/ide/{arm => }/palm_bk3710.c (100%)
 delete mode 100644 drivers/ide/pci/Makefile
 rename drivers/ide/{pci => }/pdc202xx_new.c (100%)
 rename drivers/ide/{pci => }/pdc202xx_old.c (100%)
 rename drivers/ide/{pci => }/piix.c (100%)
 rename drivers/ide/{ppc => }/pmac.c (100%)
 delete mode 100644 drivers/ide/ppc/Makefile
 rename drivers/ide/{legacy => }/q40ide.c (100%)
 rename drivers/ide/{legacy => }/qd65xx.c (100%)
 rename drivers/ide/{legacy => }/qd65xx.h (100%)
 rename drivers/ide/{arm => }/rapide.c (100%)
 rename drivers/ide/{pci => }/rz1000.c (100%)
 rename drivers/ide/{pci => }/sc1200.c (100%)
 rename drivers/ide/{pci => }/scc_pata.c (100%)
 rename drivers/ide/{pci => }/serverworks.c (100%)
 rename drivers/ide/{pci => }/sgiioc4.c (100%)
 rename drivers/ide/{pci => }/siimage.c (100%)
 rename drivers/ide/{pci => }/sis5513.c (100%)
 rename drivers/ide/{pci => }/sl82c105.c (100%)
 rename drivers/ide/{pci => }/slc90e66.c (100%)
 rename drivers/ide/{pci => }/tc86c001.c (100%)
 rename drivers/ide/{pci => }/triflex.c (100%)
 rename drivers/ide/{pci => }/trm290.c (100%)
 rename drivers/ide/{legacy => }/umc8672.c (100%)
 rename drivers/ide/{pci => }/via82cxxx.c (100%)

diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 093d3248ca8..9cf92ac939d 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -18,22 +18,66 @@ ide-core-$(CONFIG_BLK_DEV_IDEACPI)	+= ide-acpi.o
 
 obj-$(CONFIG_IDE)			+= ide-core.o
 
-ifeq ($(CONFIG_IDE_ARM), y)
-	ide-arm-core-y += arm/ide_arm.o
-	obj-y += ide-arm-core.o
-endif
-
-obj-$(CONFIG_IDE)			+= legacy/ pci/
+obj-$(CONFIG_IDE_ARM)			+= ide_arm.o
+
+obj-$(CONFIG_BLK_DEV_ALI14XX)		+= ali14xx.o
+obj-$(CONFIG_BLK_DEV_UMC8672)		+= umc8672.o
+obj-$(CONFIG_BLK_DEV_DTC2278)		+= dtc2278.o
+obj-$(CONFIG_BLK_DEV_HT6560B)		+= ht6560b.o
+obj-$(CONFIG_BLK_DEV_QD65XX)		+= qd65xx.o
+obj-$(CONFIG_BLK_DEV_4DRIVES)		+= ide-4drives.o
+
+obj-$(CONFIG_BLK_DEV_GAYLE)		+= gayle.o
+obj-$(CONFIG_BLK_DEV_FALCON_IDE)	+= falconide.o
+obj-$(CONFIG_BLK_DEV_MAC_IDE)		+= macide.o
+obj-$(CONFIG_BLK_DEV_Q40IDE)		+= q40ide.o
+obj-$(CONFIG_BLK_DEV_BUDDHA)		+= buddha.o
+
+obj-$(CONFIG_BLK_DEV_AEC62XX)		+= aec62xx.o
+obj-$(CONFIG_BLK_DEV_ALI15X3)		+= alim15x3.o
+obj-$(CONFIG_BLK_DEV_AMD74XX)		+= amd74xx.o
+obj-$(CONFIG_BLK_DEV_ATIIXP)		+= atiixp.o
+obj-$(CONFIG_BLK_DEV_CELLEB)		+= scc_pata.o
+obj-$(CONFIG_BLK_DEV_CMD64X)		+= cmd64x.o
+obj-$(CONFIG_BLK_DEV_CS5520)		+= cs5520.o
+obj-$(CONFIG_BLK_DEV_CS5530)		+= cs5530.o
+obj-$(CONFIG_BLK_DEV_CS5535)		+= cs5535.o
+obj-$(CONFIG_BLK_DEV_SC1200)		+= sc1200.o
+obj-$(CONFIG_BLK_DEV_CY82C693)		+= cy82c693.o
+obj-$(CONFIG_BLK_DEV_DELKIN)		+= delkin_cb.o
+obj-$(CONFIG_BLK_DEV_HPT366)		+= hpt366.o
+obj-$(CONFIG_BLK_DEV_IT8213)		+= it8213.o
+obj-$(CONFIG_BLK_DEV_IT821X)		+= it821x.o
+obj-$(CONFIG_BLK_DEV_JMICRON)		+= jmicron.o
+obj-$(CONFIG_BLK_DEV_NS87415)		+= ns87415.o
+obj-$(CONFIG_BLK_DEV_OPTI621)		+= opti621.o
+obj-$(CONFIG_BLK_DEV_PDC202XX_OLD)	+= pdc202xx_old.o
+obj-$(CONFIG_BLK_DEV_PDC202XX_NEW)	+= pdc202xx_new.o
+obj-$(CONFIG_BLK_DEV_PIIX)		+= piix.o
+obj-$(CONFIG_BLK_DEV_RZ1000)		+= rz1000.o
+obj-$(CONFIG_BLK_DEV_SVWKS)		+= serverworks.o
+obj-$(CONFIG_BLK_DEV_SGIIOC4)		+= sgiioc4.o
+obj-$(CONFIG_BLK_DEV_SIIMAGE)		+= siimage.o
+obj-$(CONFIG_BLK_DEV_SIS5513)		+= sis5513.o
+obj-$(CONFIG_BLK_DEV_SL82C105)		+= sl82c105.o
+obj-$(CONFIG_BLK_DEV_SLC90E66)		+= slc90e66.o
+obj-$(CONFIG_BLK_DEV_TC86C001)		+= tc86c001.o
+obj-$(CONFIG_BLK_DEV_TRIFLEX)		+= triflex.o
+obj-$(CONFIG_BLK_DEV_TRM290)		+= trm290.o
+obj-$(CONFIG_BLK_DEV_VIA82CXXX)		+= via82cxxx.o
+
+# Must appear at the end of the block
+obj-$(CONFIG_BLK_DEV_GENERIC)		+= ide-pci-generic.o
+ide-pci-generic-y			+= generic.o
 
 obj-$(CONFIG_IDEPCI_PCIBUS_ORDER)	+= ide-scan-pci.o
 
-ifeq ($(CONFIG_BLK_DEV_CMD640), y)
-	cmd640-core-y += pci/cmd640.o
-	obj-y += cmd640-core.o
-endif
+obj-$(CONFIG_BLK_DEV_CMD640)		+= cmd640.o
+
+obj-$(CONFIG_BLK_DEV_IDE_PMAC)		+= pmac.o
+
+obj-$(CONFIG_IDE_H8300)			+= ide-h8300.o
 
-obj-$(CONFIG_IDE)			+= ppc/
-obj-$(CONFIG_IDE_H8300)			+= h8300/
 obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o
 obj-$(CONFIG_BLK_DEV_IDEPNP)		+= ide-pnp.o
 
@@ -58,14 +102,12 @@ obj-$(CONFIG_IDE_GD)			+= ide-gd_mod.o
 obj-$(CONFIG_BLK_DEV_IDECD)		+= ide-cd_mod.o
 obj-$(CONFIG_BLK_DEV_IDETAPE)		+= ide-tape.o
 
-ifeq ($(CONFIG_BLK_DEV_IDECS), y)
-	ide-cs-core-y += legacy/ide-cs.o
-	obj-y += ide-cs-core.o
-endif
+obj-$(CONFIG_BLK_DEV_IDECS)		+= ide-cs.o
 
-ifeq ($(CONFIG_BLK_DEV_PLATFORM), y)
-	ide-platform-core-y += legacy/ide_platform.o
-	obj-y += ide-platform-core.o
-endif
+obj-$(CONFIG_BLK_DEV_PLATFORM)		+= ide_platform.o
+
+obj-$(CONFIG_BLK_DEV_IDE_ICSIDE)	+= icside.o
+obj-$(CONFIG_BLK_DEV_IDE_RAPIDE)	+= rapide.o
+obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710)	+= palm_bk3710.o
 
-obj-$(CONFIG_IDE)			+= arm/ mips/
+obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)	+= au1xxx-ide.o
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/aec62xx.c
similarity index 100%
rename from drivers/ide/pci/aec62xx.c
rename to drivers/ide/aec62xx.c
diff --git a/drivers/ide/legacy/ali14xx.c b/drivers/ide/ali14xx.c
similarity index 100%
rename from drivers/ide/legacy/ali14xx.c
rename to drivers/ide/ali14xx.c
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/alim15x3.c
similarity index 100%
rename from drivers/ide/pci/alim15x3.c
rename to drivers/ide/alim15x3.c
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/amd74xx.c
similarity index 100%
rename from drivers/ide/pci/amd74xx.c
rename to drivers/ide/amd74xx.c
diff --git a/drivers/ide/arm/Makefile b/drivers/ide/arm/Makefile
deleted file mode 100644
index 5bc26053afa..00000000000
--- a/drivers/ide/arm/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-
-obj-$(CONFIG_BLK_DEV_IDE_ICSIDE)	+= icside.o
-obj-$(CONFIG_BLK_DEV_IDE_RAPIDE)	+= rapide.o
-obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710)	+= palm_bk3710.o
-
-ifeq ($(CONFIG_IDE_ARM), m)
-	obj-m += ide_arm.o
-endif
-
-EXTRA_CFLAGS	:= -Idrivers/ide
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/atiixp.c
similarity index 100%
rename from drivers/ide/pci/atiixp.c
rename to drivers/ide/atiixp.c
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
similarity index 100%
rename from drivers/ide/mips/au1xxx-ide.c
rename to drivers/ide/au1xxx-ide.c
diff --git a/drivers/ide/legacy/buddha.c b/drivers/ide/buddha.c
similarity index 100%
rename from drivers/ide/legacy/buddha.c
rename to drivers/ide/buddha.c
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/cmd640.c
similarity index 100%
rename from drivers/ide/pci/cmd640.c
rename to drivers/ide/cmd640.c
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/cmd64x.c
similarity index 100%
rename from drivers/ide/pci/cmd64x.c
rename to drivers/ide/cmd64x.c
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/cs5520.c
similarity index 100%
rename from drivers/ide/pci/cs5520.c
rename to drivers/ide/cs5520.c
diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/cs5530.c
similarity index 100%
rename from drivers/ide/pci/cs5530.c
rename to drivers/ide/cs5530.c
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/cs5535.c
similarity index 100%
rename from drivers/ide/pci/cs5535.c
rename to drivers/ide/cs5535.c
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/cy82c693.c
similarity index 100%
rename from drivers/ide/pci/cy82c693.c
rename to drivers/ide/cy82c693.c
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/delkin_cb.c
similarity index 100%
rename from drivers/ide/pci/delkin_cb.c
rename to drivers/ide/delkin_cb.c
diff --git a/drivers/ide/legacy/dtc2278.c b/drivers/ide/dtc2278.c
similarity index 100%
rename from drivers/ide/legacy/dtc2278.c
rename to drivers/ide/dtc2278.c
diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/falconide.c
similarity index 100%
rename from drivers/ide/legacy/falconide.c
rename to drivers/ide/falconide.c
diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/gayle.c
similarity index 100%
rename from drivers/ide/legacy/gayle.c
rename to drivers/ide/gayle.c
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/generic.c
similarity index 100%
rename from drivers/ide/pci/generic.c
rename to drivers/ide/generic.c
diff --git a/drivers/ide/h8300/Makefile b/drivers/ide/h8300/Makefile
deleted file mode 100644
index 5eba16f423f..00000000000
--- a/drivers/ide/h8300/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-
-obj-$(CONFIG_IDE_H8300)			+= ide-h8300.o
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/hpt366.c
similarity index 100%
rename from drivers/ide/pci/hpt366.c
rename to drivers/ide/hpt366.c
diff --git a/drivers/ide/legacy/ht6560b.c b/drivers/ide/ht6560b.c
similarity index 100%
rename from drivers/ide/legacy/ht6560b.c
rename to drivers/ide/ht6560b.c
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/icside.c
similarity index 100%
rename from drivers/ide/arm/icside.c
rename to drivers/ide/icside.c
diff --git a/drivers/ide/legacy/ide-4drives.c b/drivers/ide/ide-4drives.c
similarity index 100%
rename from drivers/ide/legacy/ide-4drives.c
rename to drivers/ide/ide-4drives.c
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/ide-cs.c
similarity index 100%
rename from drivers/ide/legacy/ide-cs.c
rename to drivers/ide/ide-cs.c
diff --git a/drivers/ide/h8300/ide-h8300.c b/drivers/ide/ide-h8300.c
similarity index 100%
rename from drivers/ide/h8300/ide-h8300.c
rename to drivers/ide/ide-h8300.c
diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/ide_arm.c
similarity index 100%
rename from drivers/ide/arm/ide_arm.c
rename to drivers/ide/ide_arm.c
diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/ide_platform.c
similarity index 100%
rename from drivers/ide/legacy/ide_platform.c
rename to drivers/ide/ide_platform.c
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/it8213.c
similarity index 100%
rename from drivers/ide/pci/it8213.c
rename to drivers/ide/it8213.c
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/it821x.c
similarity index 100%
rename from drivers/ide/pci/it821x.c
rename to drivers/ide/it821x.c
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/jmicron.c
similarity index 100%
rename from drivers/ide/pci/jmicron.c
rename to drivers/ide/jmicron.c
diff --git a/drivers/ide/legacy/Makefile b/drivers/ide/legacy/Makefile
deleted file mode 100644
index 6939329f89e..00000000000
--- a/drivers/ide/legacy/Makefile
+++ /dev/null
@@ -1,25 +0,0 @@
-
-# link order is important here
-
-obj-$(CONFIG_BLK_DEV_ALI14XX)		+= ali14xx.o
-obj-$(CONFIG_BLK_DEV_UMC8672)		+= umc8672.o
-obj-$(CONFIG_BLK_DEV_DTC2278)		+= dtc2278.o
-obj-$(CONFIG_BLK_DEV_HT6560B)		+= ht6560b.o
-obj-$(CONFIG_BLK_DEV_QD65XX)		+= qd65xx.o
-obj-$(CONFIG_BLK_DEV_4DRIVES)		+= ide-4drives.o
-
-obj-$(CONFIG_BLK_DEV_GAYLE)		+= gayle.o
-obj-$(CONFIG_BLK_DEV_FALCON_IDE)	+= falconide.o
-obj-$(CONFIG_BLK_DEV_MAC_IDE)		+= macide.o
-obj-$(CONFIG_BLK_DEV_Q40IDE)		+= q40ide.o
-obj-$(CONFIG_BLK_DEV_BUDDHA)		+= buddha.o
-
-ifeq ($(CONFIG_BLK_DEV_IDECS), m)
-	obj-m += ide-cs.o
-endif
-
-ifeq ($(CONFIG_BLK_DEV_PLATFORM), m)
-	obj-m += ide_platform.o
-endif
-
-EXTRA_CFLAGS	:= -Idrivers/ide
diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/macide.c
similarity index 100%
rename from drivers/ide/legacy/macide.c
rename to drivers/ide/macide.c
diff --git a/drivers/ide/mips/Makefile b/drivers/ide/mips/Makefile
deleted file mode 100644
index 5873fa0b876..00000000000
--- a/drivers/ide/mips/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)	+= au1xxx-ide.o
-
-EXTRA_CFLAGS    := -Idrivers/ide
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/ns87415.c
similarity index 100%
rename from drivers/ide/pci/ns87415.c
rename to drivers/ide/ns87415.c
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/opti621.c
similarity index 100%
rename from drivers/ide/pci/opti621.c
rename to drivers/ide/opti621.c
diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/palm_bk3710.c
similarity index 100%
rename from drivers/ide/arm/palm_bk3710.c
rename to drivers/ide/palm_bk3710.c
diff --git a/drivers/ide/pci/Makefile b/drivers/ide/pci/Makefile
deleted file mode 100644
index ab44a1f5f5a..00000000000
--- a/drivers/ide/pci/Makefile
+++ /dev/null
@@ -1,43 +0,0 @@
-
-obj-$(CONFIG_BLK_DEV_AEC62XX)		+= aec62xx.o
-obj-$(CONFIG_BLK_DEV_ALI15X3)		+= alim15x3.o
-obj-$(CONFIG_BLK_DEV_AMD74XX)		+= amd74xx.o
-obj-$(CONFIG_BLK_DEV_ATIIXP)		+= atiixp.o
-obj-$(CONFIG_BLK_DEV_CELLEB)		+= scc_pata.o
-obj-$(CONFIG_BLK_DEV_CMD64X)		+= cmd64x.o
-obj-$(CONFIG_BLK_DEV_CS5520)		+= cs5520.o
-obj-$(CONFIG_BLK_DEV_CS5530)		+= cs5530.o
-obj-$(CONFIG_BLK_DEV_CS5535)		+= cs5535.o
-obj-$(CONFIG_BLK_DEV_SC1200)		+= sc1200.o
-obj-$(CONFIG_BLK_DEV_CY82C693)		+= cy82c693.o
-obj-$(CONFIG_BLK_DEV_DELKIN)		+= delkin_cb.o
-obj-$(CONFIG_BLK_DEV_HPT366)		+= hpt366.o
-obj-$(CONFIG_BLK_DEV_IT8213)		+= it8213.o
-obj-$(CONFIG_BLK_DEV_IT821X)		+= it821x.o
-obj-$(CONFIG_BLK_DEV_JMICRON)		+= jmicron.o
-obj-$(CONFIG_BLK_DEV_NS87415)		+= ns87415.o
-obj-$(CONFIG_BLK_DEV_OPTI621)		+= opti621.o
-obj-$(CONFIG_BLK_DEV_PDC202XX_OLD)	+= pdc202xx_old.o
-obj-$(CONFIG_BLK_DEV_PDC202XX_NEW)	+= pdc202xx_new.o
-obj-$(CONFIG_BLK_DEV_PIIX)		+= piix.o
-obj-$(CONFIG_BLK_DEV_RZ1000)		+= rz1000.o
-obj-$(CONFIG_BLK_DEV_SVWKS)		+= serverworks.o
-obj-$(CONFIG_BLK_DEV_SGIIOC4)		+= sgiioc4.o
-obj-$(CONFIG_BLK_DEV_SIIMAGE)		+= siimage.o
-obj-$(CONFIG_BLK_DEV_SIS5513)		+= sis5513.o
-obj-$(CONFIG_BLK_DEV_SL82C105)		+= sl82c105.o
-obj-$(CONFIG_BLK_DEV_SLC90E66)		+= slc90e66.o
-obj-$(CONFIG_BLK_DEV_TC86C001)		+= tc86c001.o
-obj-$(CONFIG_BLK_DEV_TRIFLEX)		+= triflex.o
-obj-$(CONFIG_BLK_DEV_TRM290)		+= trm290.o
-obj-$(CONFIG_BLK_DEV_VIA82CXXX)		+= via82cxxx.o
-
-# Must appear at the end of the block
-obj-$(CONFIG_BLK_DEV_GENERIC)		+= ide-pci-generic.o
-ide-pci-generic-y			+= generic.o
-
-ifeq ($(CONFIG_BLK_DEV_CMD640), m)
-	obj-m += cmd640.o
-endif
-
-EXTRA_CFLAGS	:= -Idrivers/ide
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pdc202xx_new.c
similarity index 100%
rename from drivers/ide/pci/pdc202xx_new.c
rename to drivers/ide/pdc202xx_new.c
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
similarity index 100%
rename from drivers/ide/pci/pdc202xx_old.c
rename to drivers/ide/pdc202xx_old.c
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/piix.c
similarity index 100%
rename from drivers/ide/pci/piix.c
rename to drivers/ide/piix.c
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/pmac.c
similarity index 100%
rename from drivers/ide/ppc/pmac.c
rename to drivers/ide/pmac.c
diff --git a/drivers/ide/ppc/Makefile b/drivers/ide/ppc/Makefile
deleted file mode 100644
index 74e52adcdf4..00000000000
--- a/drivers/ide/ppc/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-
-obj-$(CONFIG_BLK_DEV_IDE_PMAC)		+= pmac.o
diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/q40ide.c
similarity index 100%
rename from drivers/ide/legacy/q40ide.c
rename to drivers/ide/q40ide.c
diff --git a/drivers/ide/legacy/qd65xx.c b/drivers/ide/qd65xx.c
similarity index 100%
rename from drivers/ide/legacy/qd65xx.c
rename to drivers/ide/qd65xx.c
diff --git a/drivers/ide/legacy/qd65xx.h b/drivers/ide/qd65xx.h
similarity index 100%
rename from drivers/ide/legacy/qd65xx.h
rename to drivers/ide/qd65xx.h
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/rapide.c
similarity index 100%
rename from drivers/ide/arm/rapide.c
rename to drivers/ide/rapide.c
diff --git a/drivers/ide/pci/rz1000.c b/drivers/ide/rz1000.c
similarity index 100%
rename from drivers/ide/pci/rz1000.c
rename to drivers/ide/rz1000.c
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/sc1200.c
similarity index 100%
rename from drivers/ide/pci/sc1200.c
rename to drivers/ide/sc1200.c
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/scc_pata.c
similarity index 100%
rename from drivers/ide/pci/scc_pata.c
rename to drivers/ide/scc_pata.c
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/serverworks.c
similarity index 100%
rename from drivers/ide/pci/serverworks.c
rename to drivers/ide/serverworks.c
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/sgiioc4.c
similarity index 100%
rename from drivers/ide/pci/sgiioc4.c
rename to drivers/ide/sgiioc4.c
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/siimage.c
similarity index 100%
rename from drivers/ide/pci/siimage.c
rename to drivers/ide/siimage.c
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/sis5513.c
similarity index 100%
rename from drivers/ide/pci/sis5513.c
rename to drivers/ide/sis5513.c
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/sl82c105.c
similarity index 100%
rename from drivers/ide/pci/sl82c105.c
rename to drivers/ide/sl82c105.c
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/slc90e66.c
similarity index 100%
rename from drivers/ide/pci/slc90e66.c
rename to drivers/ide/slc90e66.c
diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/tc86c001.c
similarity index 100%
rename from drivers/ide/pci/tc86c001.c
rename to drivers/ide/tc86c001.c
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/triflex.c
similarity index 100%
rename from drivers/ide/pci/triflex.c
rename to drivers/ide/triflex.c
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/trm290.c
similarity index 100%
rename from drivers/ide/pci/trm290.c
rename to drivers/ide/trm290.c
diff --git a/drivers/ide/legacy/umc8672.c b/drivers/ide/umc8672.c
similarity index 100%
rename from drivers/ide/legacy/umc8672.c
rename to drivers/ide/umc8672.c
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/via82cxxx.c
similarity index 100%
rename from drivers/ide/pci/via82cxxx.c
rename to drivers/ide/via82cxxx.c
-- 
GitLab


From 5d43839ab9988f236cdda1ed073d6916857bc3c5 Mon Sep 17 00:00:00 2001
From: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Date: Tue, 21 Oct 2008 19:47:22 +0100
Subject: [PATCH 1748/2224] [ARM] 5315/1: Fix section mismatch warning (sa1111)

This patch fixes the section mismatch warning from
sa1111.o at buildtime.

  CC      arch/arm/common/sa1111.o
  LD      arch/arm/common/built-in.o
  LD      vmlinux.o
  MODPOST vmlinux.o
WARNING: vmlinux.o(.text+0x87f4): Section mismatch in reference from the function sa1111_probe() to the function .devinit.text:sa1110_mb_enable()
The function sa1111_probe() references
the function __devinit sa1110_mb_enable().
This is often because sa1111_probe lacks a __devinit
annotation or the annotation of sa1110_mb_enable is wrong.

Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/common/sa1111.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 6094c34d9ba..47ccec95f3e 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -939,7 +939,7 @@ static int sa1111_resume(struct platform_device *dev)
 #define sa1111_resume  NULL
 #endif
 
-static int sa1111_probe(struct platform_device *pdev)
+static int __devinit sa1111_probe(struct platform_device *pdev)
 {
 	struct resource *mem;
 	int irq;
-- 
GitLab


From f6335c43f3d7816ba2e69abce4f29c41f65bb27e Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Tue, 21 Oct 2008 23:29:56 +0100
Subject: [PATCH 1749/2224] [ARM] clps711x: add sparsemem definitions

Fix the edb7211_defconfig build errors.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-clps711x/include/mach/memory.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/mach-clps711x/include/mach/memory.h b/arch/arm/mach-clps711x/include/mach/memory.h
index 71c2fa70c8e..98ec30c97bb 100644
--- a/arch/arm/mach-clps711x/include/mach/memory.h
+++ b/arch/arm/mach-clps711x/include/mach/memory.h
@@ -89,6 +89,8 @@
  * 	node 3:  0xd8000000 - 0xdfffffff
  */
 #define NODE_MEM_SIZE_BITS	24
+#define SECTION_SIZE_BITS	24
+#define MAX_PHYSMEM_BITS	32
 
 #endif
 
-- 
GitLab


From 5e458cc0f4770eea45d3c07110f01b3a94c72aa5 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 22 Oct 2008 10:00:13 -0500
Subject: [PATCH 1750/2224] module: simplify load_module.

Linus' recent catch of stack overflow in load_module lead me to look
at the code.  A couple of helpers to get a section address and get
objects from a section can help clean things up a little.

(And in case you're wondering, the stack size also dropped from 328 to
284 bytes).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 include/linux/module.h |   2 +-
 kernel/module.c        | 235 +++++++++++++++++------------------------
 2 files changed, 100 insertions(+), 137 deletions(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index 5d2970cdce9..eddf27db442 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -277,7 +277,7 @@ struct module
 
 	/* Exception table */
 	unsigned int num_exentries;
-	const struct exception_table_entry *extable;
+	struct exception_table_entry *extable;
 
 	/* Startup function. */
 	int (*init)(void);
diff --git a/kernel/module.c b/kernel/module.c
index 0d8d21ee792..3d256681ab6 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -132,6 +132,29 @@ static unsigned int find_sec(Elf_Ehdr *hdr,
 	return 0;
 }
 
+/* Find a module section, or NULL. */
+static void *section_addr(Elf_Ehdr *hdr, Elf_Shdr *shdrs,
+			  const char *secstrings, const char *name)
+{
+	/* Section 0 has sh_addr 0. */
+	return (void *)shdrs[find_sec(hdr, shdrs, secstrings, name)].sh_addr;
+}
+
+/* Find a module section, or NULL.  Fill in number of "objects" in section. */
+static void *section_objs(Elf_Ehdr *hdr,
+			  Elf_Shdr *sechdrs,
+			  const char *secstrings,
+			  const char *name,
+			  size_t object_size,
+			  unsigned int *num)
+{
+	unsigned int sec = find_sec(hdr, sechdrs, secstrings, name);
+
+	/* Section 0 has sh_addr 0 and sh_size 0. */
+	*num = sechdrs[sec].sh_size / object_size;
+	return (void *)sechdrs[sec].sh_addr;
+}
+
 /* Provided by the linker */
 extern const struct kernel_symbol __start___ksymtab[];
 extern const struct kernel_symbol __stop___ksymtab[];
@@ -1789,32 +1812,20 @@ static inline void add_kallsyms(struct module *mod,
 }
 #endif /* CONFIG_KALLSYMS */
 
-#ifdef CONFIG_DYNAMIC_PRINTK_DEBUG
-static void dynamic_printk_setup(Elf_Shdr *sechdrs, unsigned int verboseindex)
+static void dynamic_printk_setup(struct mod_debug *debug, unsigned int num)
 {
-	struct mod_debug *debug_info;
-	unsigned long pos, end;
-	unsigned int num_verbose;
-
-	pos = sechdrs[verboseindex].sh_addr;
-	num_verbose = sechdrs[verboseindex].sh_size /
-				sizeof(struct mod_debug);
-	end = pos + (num_verbose * sizeof(struct mod_debug));
+#ifdef CONFIG_DYNAMIC_PRINTK_DEBUG
+	unsigned int i;
 
-	for (; pos < end; pos += sizeof(struct mod_debug)) {
-		debug_info = (struct mod_debug *)pos;
-		register_dynamic_debug_module(debug_info->modname,
-			debug_info->type, debug_info->logical_modname,
-			debug_info->flag_names, debug_info->hash,
-			debug_info->hash2);
+	for (i = 0; i < num; i++) {
+		register_dynamic_debug_module(debug[i].modname,
+					      debug[i].type,
+					      debug[i].logical_modname,
+					      debug[i].flag_names,
+					      debug[i].hash, debug[i].hash2);
 	}
-}
-#else
-static inline void dynamic_printk_setup(Elf_Shdr *sechdrs,
-					unsigned int verboseindex)
-{
-}
 #endif /* CONFIG_DYNAMIC_PRINTK_DEBUG */
+}
 
 static void *module_alloc_update_bounds(unsigned long size)
 {
@@ -1843,37 +1854,14 @@ static noinline struct module *load_module(void __user *umod,
 	unsigned int i;
 	unsigned int symindex = 0;
 	unsigned int strindex = 0;
-	unsigned int setupindex;
-	unsigned int exindex;
-	unsigned int exportindex;
-	unsigned int modindex;
-	unsigned int obsparmindex;
-	unsigned int infoindex;
-	unsigned int gplindex;
-	unsigned int crcindex;
-	unsigned int gplcrcindex;
-	unsigned int versindex;
-	unsigned int pcpuindex;
-	unsigned int gplfutureindex;
-	unsigned int gplfuturecrcindex;
+	unsigned int modindex, versindex, infoindex, pcpuindex;
 	unsigned int unwindex = 0;
-#ifdef CONFIG_UNUSED_SYMBOLS
-	unsigned int unusedindex;
-	unsigned int unusedcrcindex;
-	unsigned int unusedgplindex;
-	unsigned int unusedgplcrcindex;
-#endif
-	unsigned int markersindex;
-	unsigned int markersstringsindex;
-	unsigned int verboseindex;
-	unsigned int tracepointsindex;
-	unsigned int tracepointsstringsindex;
-	unsigned int mcountindex;
+	unsigned int num_kp, num_mcount;
+	struct kernel_param *kp;
 	struct module *mod;
 	long err = 0;
 	void *percpu = NULL, *ptr = NULL; /* Stops spurious gcc warning */
-	void *mseg;
-	struct exception_table_entry *extable;
+	unsigned long *mseg;
 	mm_segment_t old_fs;
 
 	DEBUGP("load_module: umod=%p, len=%lu, uargs=%p\n",
@@ -1937,6 +1925,7 @@ static noinline struct module *load_module(void __user *umod,
 		err = -ENOEXEC;
 		goto free_hdr;
 	}
+	/* This is temporary: point mod into copy of data. */
 	mod = (void *)sechdrs[modindex].sh_addr;
 
 	if (symindex == 0) {
@@ -1946,22 +1935,6 @@ static noinline struct module *load_module(void __user *umod,
 		goto free_hdr;
 	}
 
-	/* Optional sections */
-	exportindex = find_sec(hdr, sechdrs, secstrings, "__ksymtab");
-	gplindex = find_sec(hdr, sechdrs, secstrings, "__ksymtab_gpl");
-	gplfutureindex = find_sec(hdr, sechdrs, secstrings, "__ksymtab_gpl_future");
-	crcindex = find_sec(hdr, sechdrs, secstrings, "__kcrctab");
-	gplcrcindex = find_sec(hdr, sechdrs, secstrings, "__kcrctab_gpl");
-	gplfuturecrcindex = find_sec(hdr, sechdrs, secstrings, "__kcrctab_gpl_future");
-#ifdef CONFIG_UNUSED_SYMBOLS
-	unusedindex = find_sec(hdr, sechdrs, secstrings, "__ksymtab_unused");
-	unusedgplindex = find_sec(hdr, sechdrs, secstrings, "__ksymtab_unused_gpl");
-	unusedcrcindex = find_sec(hdr, sechdrs, secstrings, "__kcrctab_unused");
-	unusedgplcrcindex = find_sec(hdr, sechdrs, secstrings, "__kcrctab_unused_gpl");
-#endif
-	setupindex = find_sec(hdr, sechdrs, secstrings, "__param");
-	exindex = find_sec(hdr, sechdrs, secstrings, "__ex_table");
-	obsparmindex = find_sec(hdr, sechdrs, secstrings, "__obsparm");
 	versindex = find_sec(hdr, sechdrs, secstrings, "__versions");
 	infoindex = find_sec(hdr, sechdrs, secstrings, ".modinfo");
 	pcpuindex = find_pcpusec(hdr, sechdrs, secstrings);
@@ -2117,42 +2090,57 @@ static noinline struct module *load_module(void __user *umod,
 	if (err < 0)
 		goto cleanup;
 
-	/* Set up EXPORTed & EXPORT_GPLed symbols (section 0 is 0 length) */
-	mod->num_syms = sechdrs[exportindex].sh_size / sizeof(*mod->syms);
-	mod->syms = (void *)sechdrs[exportindex].sh_addr;
-	if (crcindex)
-		mod->crcs = (void *)sechdrs[crcindex].sh_addr;
-	mod->num_gpl_syms = sechdrs[gplindex].sh_size / sizeof(*mod->gpl_syms);
-	mod->gpl_syms = (void *)sechdrs[gplindex].sh_addr;
-	if (gplcrcindex)
-		mod->gpl_crcs = (void *)sechdrs[gplcrcindex].sh_addr;
-	mod->num_gpl_future_syms = sechdrs[gplfutureindex].sh_size /
-					sizeof(*mod->gpl_future_syms);
-	mod->gpl_future_syms = (void *)sechdrs[gplfutureindex].sh_addr;
-	if (gplfuturecrcindex)
-		mod->gpl_future_crcs = (void *)sechdrs[gplfuturecrcindex].sh_addr;
+	/* Now we've got everything in the final locations, we can
+	 * find optional sections. */
+	kp = section_objs(hdr, sechdrs, secstrings, "__param", sizeof(*kp),
+			  &num_kp);
+	mod->syms = section_objs(hdr, sechdrs, secstrings, "__ksymtab",
+				 sizeof(*mod->syms), &mod->num_syms);
+	mod->crcs = section_addr(hdr, sechdrs, secstrings, "__kcrctab");
+	mod->gpl_syms = section_objs(hdr, sechdrs, secstrings, "__ksymtab_gpl",
+				     sizeof(*mod->gpl_syms),
+				     &mod->num_gpl_syms);
+	mod->gpl_crcs = section_addr(hdr, sechdrs, secstrings, "__kcrctab_gpl");
+	mod->gpl_future_syms = section_objs(hdr, sechdrs, secstrings,
+					    "__ksymtab_gpl_future",
+					    sizeof(*mod->gpl_future_syms),
+					    &mod->num_gpl_future_syms);
+	mod->gpl_future_crcs = section_addr(hdr, sechdrs, secstrings,
+					    "__kcrctab_gpl_future");
 
 #ifdef CONFIG_UNUSED_SYMBOLS
-	mod->num_unused_syms = sechdrs[unusedindex].sh_size /
-					sizeof(*mod->unused_syms);
-	mod->num_unused_gpl_syms = sechdrs[unusedgplindex].sh_size /
-					sizeof(*mod->unused_gpl_syms);
-	mod->unused_syms = (void *)sechdrs[unusedindex].sh_addr;
-	if (unusedcrcindex)
-		mod->unused_crcs = (void *)sechdrs[unusedcrcindex].sh_addr;
-	mod->unused_gpl_syms = (void *)sechdrs[unusedgplindex].sh_addr;
-	if (unusedgplcrcindex)
-		mod->unused_gpl_crcs
-			= (void *)sechdrs[unusedgplcrcindex].sh_addr;
+	mod->unused_syms = section_objs(hdr, sechdrs, secstrings,
+					"__ksymtab_unused",
+					sizeof(*mod->unused_syms),
+					&mod->num_unused_syms);
+	mod->unused_crcs = section_addr(hdr, sechdrs, secstrings,
+					"__kcrctab_unused");
+	mod->unused_gpl_syms = section_objs(hdr, sechdrs, secstrings,
+					    "__ksymtab_unused_gpl",
+					    sizeof(*mod->unused_gpl_syms),
+					    &mod->num_unused_gpl_syms);
+	mod->unused_gpl_crcs = section_addr(hdr, sechdrs, secstrings,
+					    "__kcrctab_unused_gpl");
+#endif
+
+#ifdef CONFIG_MARKERS
+	mod->markers = section_objs(hdr, sechdrs, secstrings, "__markers",
+				    sizeof(*mod->markers), &mod->num_markers);
+#endif
+#ifdef CONFIG_TRACEPOINTS
+	mod->tracepoints = section_objs(hdr, sechdrs, secstrings,
+					"__tracepoints",
+					sizeof(*mod->tracepoints),
+					&mod->num_tracepoints);
 #endif
 
 #ifdef CONFIG_MODVERSIONS
-	if ((mod->num_syms && !crcindex)
-	    || (mod->num_gpl_syms && !gplcrcindex)
-	    || (mod->num_gpl_future_syms && !gplfuturecrcindex)
+	if ((mod->num_syms && !mod->crcs)
+	    || (mod->num_gpl_syms && !mod->gpl_crcs)
+	    || (mod->num_gpl_future_syms && !mod->gpl_future_crcs)
 #ifdef CONFIG_UNUSED_SYMBOLS
-	    || (mod->num_unused_syms && !unusedcrcindex)
-	    || (mod->num_unused_gpl_syms && !unusedgplcrcindex)
+	    || (mod->num_unused_syms && !mod->unused_crcs)
+	    || (mod->num_unused_gpl_syms && !mod->unused_gpl_crcs)
 #endif
 		) {
 		printk(KERN_WARNING "%s: No versions for exported symbols.\n", mod->name);
@@ -2161,16 +2149,6 @@ static noinline struct module *load_module(void __user *umod,
 			goto cleanup;
 	}
 #endif
-	markersindex = find_sec(hdr, sechdrs, secstrings, "__markers");
- 	markersstringsindex = find_sec(hdr, sechdrs, secstrings,
-					"__markers_strings");
-	verboseindex = find_sec(hdr, sechdrs, secstrings, "__verbose");
-	tracepointsindex = find_sec(hdr, sechdrs, secstrings, "__tracepoints");
-	tracepointsstringsindex = find_sec(hdr, sechdrs, secstrings,
-					"__tracepoints_strings");
-
-	mcountindex = find_sec(hdr, sechdrs, secstrings,
-			       "__mcount_loc");
 
 	/* Now do relocations. */
 	for (i = 1; i < hdr->e_shnum; i++) {
@@ -2193,28 +2171,16 @@ static noinline struct module *load_module(void __user *umod,
 		if (err < 0)
 			goto cleanup;
 	}
-#ifdef CONFIG_MARKERS
-	mod->markers = (void *)sechdrs[markersindex].sh_addr;
-	mod->num_markers =
-		sechdrs[markersindex].sh_size / sizeof(*mod->markers);
-#endif
-#ifdef CONFIG_TRACEPOINTS
-	mod->tracepoints = (void *)sechdrs[tracepointsindex].sh_addr;
-	mod->num_tracepoints =
-		sechdrs[tracepointsindex].sh_size / sizeof(*mod->tracepoints);
-#endif
-
 
         /* Find duplicate symbols */
 	err = verify_export_symbols(mod);
-
 	if (err < 0)
 		goto cleanup;
 
   	/* Set up and sort exception table */
-	mod->num_exentries = sechdrs[exindex].sh_size / sizeof(*mod->extable);
-	mod->extable = extable = (void *)sechdrs[exindex].sh_addr;
-	sort_extable(extable, extable + mod->num_exentries);
+	mod->extable = section_objs(hdr, sechdrs, secstrings, "__ex_table",
+				    sizeof(*mod->extable), &mod->num_exentries);
+	sort_extable(mod->extable, mod->extable + mod->num_exentries);
 
 	/* Finally, copy percpu area over. */
 	percpu_modcopy(mod->percpu, (void *)sechdrs[pcpuindex].sh_addr,
@@ -2223,11 +2189,17 @@ static noinline struct module *load_module(void __user *umod,
 	add_kallsyms(mod, sechdrs, symindex, strindex, secstrings);
 
 	if (!mod->taints) {
+		struct mod_debug *debug;
+		unsigned int num_debug;
+
 #ifdef CONFIG_MARKERS
 		marker_update_probe_range(mod->markers,
 			mod->markers + mod->num_markers);
 #endif
-	dynamic_printk_setup(sechdrs, verboseindex);
+		debug = section_objs(hdr, sechdrs, secstrings, "__verbose",
+				     sizeof(*debug), &num_debug);
+		dynamic_printk_setup(debug, num_debug);
+
 #ifdef CONFIG_TRACEPOINTS
 		tracepoint_update_probe_range(mod->tracepoints,
 			mod->tracepoints + mod->num_tracepoints);
@@ -2235,8 +2207,9 @@ static noinline struct module *load_module(void __user *umod,
 	}
 
 	/* sechdrs[0].sh_size is always zero */
-	mseg = (void *)sechdrs[mcountindex].sh_addr;
-	ftrace_init_module(mseg, mseg + sechdrs[mcountindex].sh_size);
+	mseg = section_objs(hdr, sechdrs, secstrings, "__mcount_loc",
+			    sizeof(*mseg), &num_mcount);
+	ftrace_init_module(mseg, mseg + num_mcount);
 
 	err = module_finalize(hdr, sechdrs, mod);
 	if (err < 0)
@@ -2261,7 +2234,7 @@ static noinline struct module *load_module(void __user *umod,
 	set_fs(old_fs);
 
 	mod->args = args;
-	if (obsparmindex)
+	if (section_addr(hdr, sechdrs, secstrings, "__obsparm"))
 		printk(KERN_WARNING "%s: Ignoring obsolete parameters\n",
 		       mod->name);
 
@@ -2270,21 +2243,11 @@ static noinline struct module *load_module(void __user *umod,
          * strong_try_module_get() will fail. */
 	stop_machine(__link_module, mod, NULL);
 
-	/* Size of section 0 is 0, so this works well if no params */
-	err = parse_args(mod->name, mod->args,
-			 (struct kernel_param *)
-			 sechdrs[setupindex].sh_addr,
-			 sechdrs[setupindex].sh_size
-			 / sizeof(struct kernel_param),
-			 NULL);
+	err = parse_args(mod->name, mod->args, kp, num_kp, NULL);
 	if (err < 0)
 		goto unlink;
 
-	err = mod_sysfs_setup(mod,
-			      (struct kernel_param *)
-			      sechdrs[setupindex].sh_addr,
-			      sechdrs[setupindex].sh_size
-			      / sizeof(struct kernel_param));
+	err = mod_sysfs_setup(mod, kp, num_kp);
 	if (err < 0)
 		goto unlink;
 	add_sect_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
-- 
GitLab


From d72b37513cdfbd3f53f3d485a8c403cc96d2c95f Mon Sep 17 00:00:00 2001
From: Andi Kleen <andi@firstfloor.org>
Date: Sat, 30 Aug 2008 10:09:00 +0200
Subject: [PATCH 1751/2224] Remove stop_machine during module load v2

Remove stop_machine during module load v2

module loading currently does a stop_machine on each module load to insert
the module into the global module lists.  Especially on larger systems this
can be quite expensive.

It does that to handle concurrent lock lessmodule list readers
like kallsyms.

I don't think stop_machine() is actually needed to insert something
into a list though. There are no concurrent writers because the
module mutex is taken. And the RCU list functions know how to insert
a node into a list with the right memory ordering so that concurrent
readers don't go off into the wood.

So remove the stop_machine for the module list insert and just
do a list_add_rcu() instead.

Module removal will still do a stop_machine of course, it needs
that for other reasons.

v2: Revised readers based on Paul's comments. All readers that only
    rely on disabled preemption need to be changed to list_for_each_rcu().
    Done that. The others are ok because they have the modules mutex.
    Also added a possible missing preempt disable for print_modules().

[cc Paul McKenney for review. It's not RCU, but quite similar.]

Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 kernel/module.c | 47 ++++++++++++++++++++++-------------------------
 1 file changed, 22 insertions(+), 25 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index 3d256681ab6..c0f1826e2d9 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -42,6 +42,7 @@
 #include <linux/string.h>
 #include <linux/mutex.h>
 #include <linux/unwind.h>
+#include <linux/rculist.h>
 #include <asm/uaccess.h>
 #include <asm/cacheflush.h>
 #include <linux/license.h>
@@ -63,7 +64,7 @@
 #define INIT_OFFSET_MASK (1UL << (BITS_PER_LONG-1))
 
 /* List of modules, protected by module_mutex or preempt_disable
- * (add/delete uses stop_machine). */
+ * (delete uses stop_machine/add uses RCU list operations). */
 static DEFINE_MUTEX(module_mutex);
 static LIST_HEAD(modules);
 
@@ -241,7 +242,7 @@ static bool each_symbol(bool (*fn)(const struct symsearch *arr,
 	if (each_symbol_in_section(arr, ARRAY_SIZE(arr), NULL, fn, data))
 		return true;
 
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		struct symsearch arr[] = {
 			{ mod->syms, mod->syms + mod->num_syms, mod->crcs,
 			  NOT_GPL_ONLY, false },
@@ -1416,17 +1417,6 @@ static void mod_kobject_remove(struct module *mod)
 	mod_sysfs_fini(mod);
 }
 
-/*
- * link the module with the whole machine is stopped with interrupts off
- * - this defends against kallsyms not taking locks
- */
-static int __link_module(void *_mod)
-{
-	struct module *mod = _mod;
-	list_add(&mod->list, &modules);
-	return 0;
-}
-
 /*
  * unlink the module with the whole machine is stopped with interrupts off
  * - this defends against kallsyms not taking locks
@@ -2239,9 +2229,13 @@ static noinline struct module *load_module(void __user *umod,
 		       mod->name);
 
 	/* Now sew it into the lists so we can get lockdep and oops
-         * info during argument parsing.  Noone should access us, since
-         * strong_try_module_get() will fail. */
-	stop_machine(__link_module, mod, NULL);
+	 * info during argument parsing.  Noone should access us, since
+	 * strong_try_module_get() will fail.
+	 * lockdep/oops can run asynchronous, so use the RCU list insertion
+	 * function to insert in a way safe to concurrent readers.
+	 * The mutex protects against concurrent writers.
+	 */
+	list_add_rcu(&mod->list, &modules);
 
 	err = parse_args(mod->name, mod->args, kp, num_kp, NULL);
 	if (err < 0)
@@ -2436,7 +2430,7 @@ const char *module_address_lookup(unsigned long addr,
 	const char *ret = NULL;
 
 	preempt_disable();
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (within(addr, mod->module_init, mod->init_size)
 		    || within(addr, mod->module_core, mod->core_size)) {
 			if (modname)
@@ -2459,7 +2453,7 @@ int lookup_module_symbol_name(unsigned long addr, char *symname)
 	struct module *mod;
 
 	preempt_disable();
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (within(addr, mod->module_init, mod->init_size) ||
 		    within(addr, mod->module_core, mod->core_size)) {
 			const char *sym;
@@ -2483,7 +2477,7 @@ int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size,
 	struct module *mod;
 
 	preempt_disable();
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (within(addr, mod->module_init, mod->init_size) ||
 		    within(addr, mod->module_core, mod->core_size)) {
 			const char *sym;
@@ -2510,7 +2504,7 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type,
 	struct module *mod;
 
 	preempt_disable();
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (symnum < mod->num_symtab) {
 			*value = mod->symtab[symnum].st_value;
 			*type = mod->symtab[symnum].st_info;
@@ -2553,7 +2547,7 @@ unsigned long module_kallsyms_lookup_name(const char *name)
 			ret = mod_find_symname(mod, colon+1);
 		*colon = ':';
 	} else {
-		list_for_each_entry(mod, &modules, list)
+		list_for_each_entry_rcu(mod, &modules, list)
 			if ((ret = mod_find_symname(mod, name)) != 0)
 				break;
 	}
@@ -2656,7 +2650,7 @@ const struct exception_table_entry *search_module_extables(unsigned long addr)
 	struct module *mod;
 
 	preempt_disable();
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (mod->num_exentries == 0)
 			continue;
 
@@ -2682,7 +2676,7 @@ int is_module_address(unsigned long addr)
 
 	preempt_disable();
 
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (within(addr, mod->module_core, mod->core_size)) {
 			preempt_enable();
 			return 1;
@@ -2703,7 +2697,7 @@ struct module *__module_text_address(unsigned long addr)
 	if (addr < module_addr_min || addr > module_addr_max)
 		return NULL;
 
-	list_for_each_entry(mod, &modules, list)
+	list_for_each_entry_rcu(mod, &modules, list)
 		if (within(addr, mod->module_init, mod->init_text_size)
 		    || within(addr, mod->module_core, mod->core_text_size))
 			return mod;
@@ -2728,8 +2722,11 @@ void print_modules(void)
 	char buf[8];
 
 	printk("Modules linked in:");
-	list_for_each_entry(mod, &modules, list)
+	/* Most callers should already have preempt disabled, but make sure */
+	preempt_disable();
+	list_for_each_entry_rcu(mod, &modules, list)
 		printk(" %s%s", mod->name, module_flags(mod, buf));
+	preempt_enable();
 	if (last_unloaded_module[0])
 		printk(" [last unloaded: %s]", last_unloaded_module);
 	printk("\n");
-- 
GitLab


From 730b69d225259565c705f5f5a11cb1aba69568f1 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 22 Oct 2008 10:00:22 -0500
Subject: [PATCH 1752/2224] module: check kernel param length at compile time,
 not runtime

The kparam code tries to handle over-length parameter prefixes at
runtime.  Not only would I bet this has never been tested, it's not
clear that truncating names is a good idea either.

So let's check at compile time.  We need to move the #define to
moduleparam.h to do this, though.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 include/linux/module.h      | 2 +-
 include/linux/moduleparam.h | 6 +++++-
 kernel/params.c             | 7 ++-----
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index eddf27db442..196b499270d 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -29,7 +29,7 @@
 #define MODULE_SYMBOL_PREFIX ""
 #endif
 
-#define MODULE_NAME_LEN (64 - sizeof(unsigned long))
+#define MODULE_NAME_LEN MAX_PARAM_PREFIX_LEN
 
 struct kernel_symbol
 {
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index ec624381c84..1eefe6d61b8 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -13,6 +13,9 @@
 #define MODULE_PARAM_PREFIX KBUILD_MODNAME "."
 #endif
 
+/* Chosen so that structs with an unsigned long line up. */
+#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
+
 #ifdef MODULE
 #define ___module_cat(a,b) __mod_ ## a ## b
 #define __module_cat(a,b) ___module_cat(a,b)
@@ -79,7 +82,8 @@ struct kparam_array
 #define __module_param_call(prefix, name, set, get, arg, perm)		\
 	/* Default value instead of permissions? */			\
 	static int __param_perm_check_##name __attribute__((unused)) =	\
-	BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2));	\
+	BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2))	\
+	+ BUILD_BUG_ON_ZERO(sizeof(""prefix) > MAX_PARAM_PREFIX_LEN);	\
 	static const char __param_str_##name[] = prefix #name;		\
 	static struct kernel_param __moduleparam_const __param_##name	\
 	__used								\
diff --git a/kernel/params.c b/kernel/params.c
index afc46a23eb6..aca07e1a050 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -585,17 +585,14 @@ static void __init param_sysfs_builtin(void)
 {
 	struct kernel_param *kp, *kp_begin = NULL;
 	unsigned int i, name_len, count = 0;
-	char modname[MODULE_NAME_LEN + 1] = "";
+	char modname[MODULE_NAME_LEN] = "";
 
 	for (i=0; i < __stop___param - __start___param; i++) {
 		char *dot;
-		size_t max_name_len;
 
 		kp = &__start___param[i];
-		max_name_len =
-			min_t(size_t, MODULE_NAME_LEN, strlen(kp->name));
 
-		dot = memchr(kp->name, '.', max_name_len);
+		dot = strchr(kp->name, '.');
 		if (!dot) {
 			DEBUGP("couldn't find period in first %d characters "
 			       "of %s\n", MODULE_NAME_LEN, kp->name);
-- 
GitLab


From 9b473de87209fa86eb421b23386693b461612f30 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 22 Oct 2008 10:00:22 -0500
Subject: [PATCH 1753/2224] param: Fix duplicate module prefixes

Instead of insisting each new module_param sysfs entry is unique,
handle the case where it already exists (for builtin modules).

The current code assumes that all identical prefixes are together in
the section: true for normal uses, but not necessarily so if someone
overrides MODULE_PARAM_PREFIX.  More importantly, it's not true with
the new "core_param()" code which uses "kernel" as a prefix.

This simplifies the caller for the builtin case, at a slight loss of
efficiency (we do the lookup every time to see if the directory
exists).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
---
 include/linux/module.h |   2 +-
 kernel/params.c        | 261 ++++++++++++++++++++++-------------------
 2 files changed, 142 insertions(+), 121 deletions(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index 196b499270d..3bfed013350 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -60,6 +60,7 @@ struct module_kobject
 	struct kobject kobj;
 	struct module *mod;
 	struct kobject *drivers_dir;
+	struct module_param_attrs *mp;
 };
 
 /* These are either module local, or the kernel's dummy ones. */
@@ -242,7 +243,6 @@ struct module
 
 	/* Sysfs stuff. */
 	struct module_kobject mkobj;
-	struct module_param_attrs *param_attrs;
 	struct module_attribute *modinfo_attrs;
 	const char *version;
 	const char *srcversion;
diff --git a/kernel/params.c b/kernel/params.c
index aca07e1a050..f27c992a462 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -373,6 +373,8 @@ int param_get_string(char *buffer, struct kernel_param *kp)
 }
 
 /* sysfs output in /sys/modules/XYZ/parameters/ */
+#define to_module_attr(n) container_of(n, struct module_attribute, attr);
+#define to_module_kobject(n) container_of(n, struct module_kobject, kobj);
 
 extern struct kernel_param __start___param[], __stop___param[];
 
@@ -384,6 +386,7 @@ struct param_attribute
 
 struct module_param_attrs
 {
+	unsigned int num;
 	struct attribute_group grp;
 	struct param_attribute attrs[0];
 };
@@ -434,69 +437,84 @@ static ssize_t param_attr_store(struct module_attribute *mattr,
 
 #ifdef CONFIG_SYSFS
 /*
- * param_sysfs_setup - setup sysfs support for one module or KBUILD_MODNAME
- * @mk: struct module_kobject (contains parent kobject)
- * @kparam: array of struct kernel_param, the actual parameter definitions
- * @num_params: number of entries in array
- * @name_skip: offset where the parameter name start in kparam[].name. Needed for built-in "modules"
+ * add_sysfs_param - add a parameter to sysfs
+ * @mk: struct module_kobject
+ * @kparam: the actual parameter definition to add to sysfs
+ * @name: name of parameter
  *
- * Create a kobject for a (per-module) group of parameters, and create files
- * in sysfs. A pointer to the param_kobject is returned on success,
- * NULL if there's no parameter to export, or other ERR_PTR(err).
+ * Create a kobject if for a (per-module) parameter if mp NULL, and
+ * create file in sysfs.  Returns an error on out of memory.  Always cleans up
+ * if there's an error.
  */
-static __modinit struct module_param_attrs *
-param_sysfs_setup(struct module_kobject *mk,
-		  struct kernel_param *kparam,
-		  unsigned int num_params,
-		  unsigned int name_skip)
+static __modinit int add_sysfs_param(struct module_kobject *mk,
+				     struct kernel_param *kp,
+				     const char *name)
 {
-	struct module_param_attrs *mp;
-	unsigned int valid_attrs = 0;
-	unsigned int i, size[2];
-	struct param_attribute *pattr;
-	struct attribute **gattr;
-	int err;
-
-	for (i=0; i<num_params; i++) {
-		if (kparam[i].perm)
-			valid_attrs++;
+	struct module_param_attrs *new;
+	struct attribute **attrs;
+	int err, num;
+
+	/* We don't bother calling this with invisible parameters. */
+	BUG_ON(!kp->perm);
+
+	if (!mk->mp) {
+		num = 0;
+		attrs = NULL;
+	} else {
+		num = mk->mp->num;
+		attrs = mk->mp->grp.attrs;
 	}
 
-	if (!valid_attrs)
-		return NULL;
-
-	size[0] = ALIGN(sizeof(*mp) +
-			valid_attrs * sizeof(mp->attrs[0]),
-			sizeof(mp->grp.attrs[0]));
-	size[1] = (valid_attrs + 1) * sizeof(mp->grp.attrs[0]);
-
-	mp = kzalloc(size[0] + size[1], GFP_KERNEL);
-	if (!mp)
-		return ERR_PTR(-ENOMEM);
+	/* Enlarge. */
+	new = krealloc(mk->mp,
+		       sizeof(*mk->mp) + sizeof(mk->mp->attrs[0]) * (num+1),
+		       GFP_KERNEL);
+	if (!new) {
+		kfree(mk->mp);
+		err = -ENOMEM;
+		goto fail;
+	}
+	attrs = krealloc(attrs, sizeof(new->grp.attrs[0])*(num+2), GFP_KERNEL);
+	if (!attrs) {
+		err = -ENOMEM;
+		goto fail_free_new;
+	}
 
-	mp->grp.name = "parameters";
-	mp->grp.attrs = (void *)mp + size[0];
+	/* Sysfs wants everything zeroed. */
+	memset(new, 0, sizeof(*new));
+	memset(&new->attrs[num], 0, sizeof(new->attrs[num]));
+	memset(&attrs[num], 0, sizeof(attrs[num]));
+	new->grp.name = "parameters";
+	new->grp.attrs = attrs;
+
+	/* Tack new one on the end. */
+	new->attrs[num].param = kp;
+	new->attrs[num].mattr.show = param_attr_show;
+	new->attrs[num].mattr.store = param_attr_store;
+	new->attrs[num].mattr.attr.name = (char *)name;
+	new->attrs[num].mattr.attr.mode = kp->perm;
+	new->num = num+1;
+
+	/* Fix up all the pointers, since krealloc can move us */
+	for (num = 0; num < new->num; num++)
+		new->grp.attrs[num] = &new->attrs[num].mattr.attr;
+	new->grp.attrs[num] = NULL;
+
+	mk->mp = new;
+	return 0;
 
-	pattr = &mp->attrs[0];
-	gattr = &mp->grp.attrs[0];
-	for (i = 0; i < num_params; i++) {
-		struct kernel_param *kp = &kparam[i];
-		if (kp->perm) {
-			pattr->param = kp;
-			pattr->mattr.show = param_attr_show;
-			pattr->mattr.store = param_attr_store;
-			pattr->mattr.attr.name = (char *)&kp->name[name_skip];
-			pattr->mattr.attr.mode = kp->perm;
-			*(gattr++) = &(pattr++)->mattr.attr;
-		}
-	}
-	*gattr = NULL;
+fail_free_new:
+	kfree(new);
+fail:
+	mk->mp = NULL;
+	return err;
+}
 
-	if ((err = sysfs_create_group(&mk->kobj, &mp->grp))) {
-		kfree(mp);
-		return ERR_PTR(err);
-	}
-	return mp;
+static void free_module_param_attrs(struct module_kobject *mk)
+{
+	kfree(mk->mp->grp.attrs);
+	kfree(mk->mp);
+	mk->mp = NULL;
 }
 
 #ifdef CONFIG_MODULES
@@ -506,21 +524,33 @@ param_sysfs_setup(struct module_kobject *mk,
  * @kparam: module parameters (array)
  * @num_params: number of module parameters
  *
- * Adds sysfs entries for module parameters, and creates a link from
- * /sys/module/[mod->name]/parameters to /sys/parameters/[mod->name]/
+ * Adds sysfs entries for module parameters under
+ * /sys/module/[mod->name]/parameters/
  */
 int module_param_sysfs_setup(struct module *mod,
 			     struct kernel_param *kparam,
 			     unsigned int num_params)
 {
-	struct module_param_attrs *mp;
+	int i, err;
+	bool params = false;
+
+	for (i = 0; i < num_params; i++) {
+		if (kparam[i].perm == 0)
+			continue;
+		err = add_sysfs_param(&mod->mkobj, &kparam[i], kparam[i].name);
+		if (err)
+			return err;
+		params = true;
+	}
 
-	mp = param_sysfs_setup(&mod->mkobj, kparam, num_params, 0);
-	if (IS_ERR(mp))
-		return PTR_ERR(mp);
+	if (!params)
+		return 0;
 
-	mod->param_attrs = mp;
-	return 0;
+	/* Create the param group. */
+	err = sysfs_create_group(&mod->mkobj.kobj, &mod->mkobj.mp->grp);
+	if (err)
+		free_module_param_attrs(&mod->mkobj);
+	return err;
 }
 
 /*
@@ -532,43 +562,55 @@ int module_param_sysfs_setup(struct module *mod,
  */
 void module_param_sysfs_remove(struct module *mod)
 {
-	if (mod->param_attrs) {
-		sysfs_remove_group(&mod->mkobj.kobj,
-				   &mod->param_attrs->grp);
+	if (mod->mkobj.mp) {
+		sysfs_remove_group(&mod->mkobj.kobj, &mod->mkobj.mp->grp);
 		/* We are positive that no one is using any param
 		 * attrs at this point.  Deallocate immediately. */
-		kfree(mod->param_attrs);
-		mod->param_attrs = NULL;
+		free_module_param_attrs(&mod->mkobj);
 	}
 }
 #endif
 
-/*
- * kernel_param_sysfs_setup - wrapper for built-in params support
- */
-static void __init kernel_param_sysfs_setup(const char *name,
-					    struct kernel_param *kparam,
-					    unsigned int num_params,
-					    unsigned int name_skip)
+static void __init kernel_add_sysfs_param(const char *name,
+					  struct kernel_param *kparam,
+					  unsigned int name_skip)
 {
 	struct module_kobject *mk;
-	int ret;
+	struct kobject *kobj;
+	int err;
 
-	mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL);
-	BUG_ON(!mk);
-
-	mk->mod = THIS_MODULE;
-	mk->kobj.kset = module_kset;
-	ret = kobject_init_and_add(&mk->kobj, &module_ktype, NULL, "%s", name);
-	if (ret) {
-		kobject_put(&mk->kobj);
-		printk(KERN_ERR "Module '%s' failed to be added to sysfs, "
-		      "error number %d\n", name, ret);
-		printk(KERN_ERR	"The system will be unstable now.\n");
-		return;
+	kobj = kset_find_obj(module_kset, name);
+	if (kobj) {
+		/* We already have one.  Remove params so we can add more. */
+		mk = to_module_kobject(kobj);
+		/* We need to remove it before adding parameters. */
+		sysfs_remove_group(&mk->kobj, &mk->mp->grp);
+	} else {
+		mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL);
+		BUG_ON(!mk);
+
+		mk->mod = THIS_MODULE;
+		mk->kobj.kset = module_kset;
+		err = kobject_init_and_add(&mk->kobj, &module_ktype, NULL,
+					   "%s", name);
+		if (err) {
+			kobject_put(&mk->kobj);
+			printk(KERN_ERR "Module '%s' failed add to sysfs, "
+			       "error number %d\n", name, err);
+			printk(KERN_ERR	"The system will be unstable now.\n");
+			return;
+		}
+		/* So that exit path is even. */
+		kobject_get(&mk->kobj);
 	}
-	param_sysfs_setup(mk, kparam, num_params, name_skip);
+
+	/* These should not fail at boot. */
+	err = add_sysfs_param(mk, kparam, kparam->name + name_skip);
+	BUG_ON(err);
+	err = sysfs_create_group(&mk->kobj, &mk->mp->grp);
+	BUG_ON(err);
 	kobject_uevent(&mk->kobj, KOBJ_ADD);
+	kobject_put(&mk->kobj);
 }
 
 /*
@@ -579,18 +621,19 @@ static void __init kernel_param_sysfs_setup(const char *name,
  * The "module" name (KBUILD_MODNAME) is stored before a dot, the
  * "parameter" name is stored behind a dot in kernel_param->name. So,
  * extract the "module" name for all built-in kernel_param-eters,
- * and for all who have the same, call kernel_param_sysfs_setup.
+ * and for all who have the same, call kernel_add_sysfs_param.
  */
 static void __init param_sysfs_builtin(void)
 {
-	struct kernel_param *kp, *kp_begin = NULL;
-	unsigned int i, name_len, count = 0;
-	char modname[MODULE_NAME_LEN] = "";
+	struct kernel_param *kp;
+	unsigned int name_len;
+	char modname[MODULE_NAME_LEN];
 
-	for (i=0; i < __stop___param - __start___param; i++) {
+	for (kp = __start___param; kp < __stop___param; kp++) {
 		char *dot;
 
-		kp = &__start___param[i];
+		if (kp->perm == 0)
+			continue;
 
 		dot = strchr(kp->name, '.');
 		if (!dot) {
@@ -599,37 +642,15 @@ static void __init param_sysfs_builtin(void)
 			continue;
 		}
 		name_len = dot - kp->name;
-
- 		/* new kbuild_modname? */
-		if (strlen(modname) != name_len
-		    || strncmp(modname, kp->name, name_len) != 0) {
-			/* add a new kobject for previous kernel_params. */
-			if (count)
-				kernel_param_sysfs_setup(modname,
-							 kp_begin,
-							 count,
-							 strlen(modname)+1);
-
-			strncpy(modname, kp->name, name_len);
-			modname[name_len] = '\0';
-			count = 0;
-			kp_begin = kp;
-		}
-		count++;
+		strncpy(modname, kp->name, name_len);
+		modname[name_len] = '\0';
+		kernel_add_sysfs_param(modname, kp, name_len+1);
 	}
-
-	/* last kernel_params need to be registered as well */
-	if (count)
-		kernel_param_sysfs_setup(modname, kp_begin, count,
-					 strlen(modname)+1);
 }
 
 
 /* module-related sysfs stuff */
 
-#define to_module_attr(n) container_of(n, struct module_attribute, attr);
-#define to_module_kobject(n) container_of(n, struct module_kobject, kobj);
-
 static ssize_t module_attr_show(struct kobject *kobj,
 				struct attribute *attr,
 				char *buf)
-- 
GitLab


From 67e67ceaac5bf55dbdceb704ff2d763d438b5373 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 22 Oct 2008 10:00:23 -0500
Subject: [PATCH 1754/2224] core_param() for genuinely core kernel parameters

There are a lot of one-liner uses of __setup() in the kernel: they're
cumbersome and not queryable (definitely not settable) via /sys.  Yet
it's ugly to simplify them to module_param(), because by default that
inserts a prefix of the module name (usually filename).

So, introduce a "core_param".  The parameter gets no prefix, but
appears in /sys/module/kernel/parameters/ (if non-zero perms arg).  I
thought about using the name "core", but that's more common than
"kernel".  And if you create a module called "kernel", you will die
a horrible death.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 include/linux/moduleparam.h | 19 +++++++++++++++++++
 kernel/params.c             | 14 +++++++-------
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 1eefe6d61b8..e4af3399ef4 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -104,6 +104,25 @@ struct kparam_array
 #define module_param(name, type, perm)				\
 	module_param_named(name, name, type, perm)
 
+#ifndef MODULE
+/**
+ * core_param - define a historical core kernel parameter.
+ * @name: the name of the cmdline and sysfs parameter (often the same as var)
+ * @var: the variable
+ * @type: the type (for param_set_##type and param_get_##type)
+ * @perm: visibility in sysfs
+ *
+ * core_param is just like module_param(), but cannot be modular and
+ * doesn't add a prefix (such as "printk.").  This is for compatibility
+ * with __setup(), and it makes sense as truly core parameters aren't
+ * tied to the particular file they're in.
+ */
+#define core_param(name, var, type, perm)				\
+	param_check_##type(name, &(var));				\
+	__module_param_call("", name, param_set_##type, param_get_##type, \
+			    &var, perm)
+#endif /* !MODULE */
+
 /* Actually copy string: maxlen param is usually sizeof(string). */
 #define module_param_string(name, string, len, perm)			\
 	static const struct kparam_string __param_string_##name		\
diff --git a/kernel/params.c b/kernel/params.c
index f27c992a462..b077f1b045d 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -637,14 +637,14 @@ static void __init param_sysfs_builtin(void)
 
 		dot = strchr(kp->name, '.');
 		if (!dot) {
-			DEBUGP("couldn't find period in first %d characters "
-			       "of %s\n", MODULE_NAME_LEN, kp->name);
-			continue;
+			/* This happens for core_param() */
+			strcpy(modname, "kernel");
+			name_len = 0;
+		} else {
+			name_len = dot - kp->name + 1;
+			strlcpy(modname, kp->name, name_len);
 		}
-		name_len = dot - kp->name;
-		strncpy(modname, kp->name, name_len);
-		modname[name_len] = '\0';
-		kernel_add_sysfs_param(modname, kp, name_len+1);
+		kernel_add_sysfs_param(modname, kp, name_len);
 	}
 }
 
-- 
GitLab


From d0ea3d7d286aeda2a9216d76424abc285b87b7b4 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 22 Oct 2008 10:00:23 -0500
Subject: [PATCH 1755/2224] Make initcall_debug a core_param

This is the one I really wanted: now it effects module loading, it
makes sense to be able to flip it after boot.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
---
 init/main.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/init/main.c b/init/main.c
index 3e17a3bafe6..3d68aaaf616 100644
--- a/init/main.c
+++ b/init/main.c
@@ -697,13 +697,7 @@ asmlinkage void __init start_kernel(void)
 }
 
 static int initcall_debug;
-
-static int __init initcall_debug_setup(char *str)
-{
-	initcall_debug = 1;
-	return 1;
-}
-__setup("initcall_debug", initcall_debug_setup);
+core_param(initcall_debug, initcall_debug, bool, 0644);
 
 int do_one_initcall(initcall_t fn)
 {
-- 
GitLab


From f44dd164f37336f7e17fabf5740698fd10635172 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 22 Oct 2008 10:00:24 -0500
Subject: [PATCH 1756/2224] Make panic= and panic_on_oops into core_params

This allows them to be examined and set after boot, plus means they
actually give errors if they are misused (eg. panic=yes).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 kernel/panic.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index bda561ef3cd..6513aac8e99 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -34,13 +34,6 @@ ATOMIC_NOTIFIER_HEAD(panic_notifier_list);
 
 EXPORT_SYMBOL(panic_notifier_list);
 
-static int __init panic_setup(char *str)
-{
-	panic_timeout = simple_strtoul(str, NULL, 0);
-	return 1;
-}
-__setup("panic=", panic_setup);
-
 static long no_blink(long time)
 {
 	return 0;
@@ -218,13 +211,6 @@ void add_taint(unsigned flag)
 }
 EXPORT_SYMBOL(add_taint);
 
-static int __init pause_on_oops_setup(char *str)
-{
-	pause_on_oops = simple_strtoul(str, NULL, 0);
-	return 1;
-}
-__setup("pause_on_oops=", pause_on_oops_setup);
-
 static void spin_msec(int msecs)
 {
 	int i;
@@ -384,3 +370,6 @@ void __stack_chk_fail(void)
 }
 EXPORT_SYMBOL(__stack_chk_fail);
 #endif
+
+core_param(panic, panic_timeout, int, 0644);
+core_param(pause_on_oops, pause_on_oops, int, 0644);
-- 
GitLab


From a802dd0eb5fc97a50cf1abb1f788a8f6cc5db635 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 13 Oct 2008 23:50:08 +0200
Subject: [PATCH 1757/2224] Call init_workqueues before pre smp initcalls.

This allows to create workqueues from within the context of
a pre smp initcall (aka early_initcall).

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 init/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/init/main.c b/init/main.c
index 3d68aaaf616..6c7fd137c8c 100644
--- a/init/main.c
+++ b/init/main.c
@@ -767,8 +767,6 @@ static void __init do_initcalls(void)
 static void __init do_basic_setup(void)
 {
 	rcu_init_sched(); /* needed by module_init stage. */
-	/* drivers will send hotplug events */
-	init_workqueues();
 	usermodehelper_init();
 	driver_init();
 	init_irq_proc();
@@ -852,6 +850,8 @@ static int __init kernel_init(void * unused)
 
 	cad_pid = task_pid(current);
 
+	init_workqueues();
+
 	smp_prepare_cpus(setup_max_cpus);
 
 	do_pre_smp_initcalls();
-- 
GitLab


From 0d557dc97f4bb501f086a03d0f00b99a7855d794 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 13 Oct 2008 23:50:09 +0200
Subject: [PATCH 1758/2224] workqueue: introduce create_rt_workqueue

create_rt_workqueue will create a real time prioritized workqueue.
This is needed for the conversion of stop_machine to a workqueue based
implementation.
This patch adds yet another parameter to __create_workqueue_key to tell
it that we want an rt workqueue.
However it looks like we rather should have something like "int type"
instead of singlethread, freezable and rt.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ingo Molnar <mingo@elte.hu>
---
 include/linux/workqueue.h | 18 ++++++++++--------
 kernel/workqueue.c        |  7 ++++++-
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 5c158c477ac..89a5a1231ff 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -149,11 +149,11 @@ struct execute_work {
 
 extern struct workqueue_struct *
 __create_workqueue_key(const char *name, int singlethread,
-		       int freezeable, struct lock_class_key *key,
+		       int freezeable, int rt, struct lock_class_key *key,
 		       const char *lock_name);
 
 #ifdef CONFIG_LOCKDEP
-#define __create_workqueue(name, singlethread, freezeable)	\
+#define __create_workqueue(name, singlethread, freezeable, rt)	\
 ({								\
 	static struct lock_class_key __key;			\
 	const char *__lock_name;				\
@@ -164,17 +164,19 @@ __create_workqueue_key(const char *name, int singlethread,
 		__lock_name = #name;				\
 								\
 	__create_workqueue_key((name), (singlethread),		\
-			       (freezeable), &__key,		\
+			       (freezeable), (rt), &__key,	\
 			       __lock_name);			\
 })
 #else
-#define __create_workqueue(name, singlethread, freezeable)	\
-	__create_workqueue_key((name), (singlethread), (freezeable), NULL, NULL)
+#define __create_workqueue(name, singlethread, freezeable, rt)	\
+	__create_workqueue_key((name), (singlethread), (freezeable), (rt), \
+			       NULL, NULL)
 #endif
 
-#define create_workqueue(name) __create_workqueue((name), 0, 0)
-#define create_freezeable_workqueue(name) __create_workqueue((name), 1, 1)
-#define create_singlethread_workqueue(name) __create_workqueue((name), 1, 0)
+#define create_workqueue(name) __create_workqueue((name), 0, 0, 0)
+#define create_rt_workqueue(name) __create_workqueue((name), 0, 0, 1)
+#define create_freezeable_workqueue(name) __create_workqueue((name), 1, 1, 0)
+#define create_singlethread_workqueue(name) __create_workqueue((name), 1, 0, 0)
 
 extern void destroy_workqueue(struct workqueue_struct *wq);
 
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 714afad4653..f928f2a87b9 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -62,6 +62,7 @@ struct workqueue_struct {
 	const char *name;
 	int singlethread;
 	int freezeable;		/* Freeze threads during suspend */
+	int rt;
 #ifdef CONFIG_LOCKDEP
 	struct lockdep_map lockdep_map;
 #endif
@@ -766,6 +767,7 @@ init_cpu_workqueue(struct workqueue_struct *wq, int cpu)
 
 static int create_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu)
 {
+	struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
 	struct workqueue_struct *wq = cwq->wq;
 	const char *fmt = is_single_threaded(wq) ? "%s" : "%s/%d";
 	struct task_struct *p;
@@ -781,7 +783,8 @@ static int create_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu)
 	 */
 	if (IS_ERR(p))
 		return PTR_ERR(p);
-
+	if (cwq->wq->rt)
+		sched_setscheduler_nocheck(p, SCHED_FIFO, &param);
 	cwq->thread = p;
 
 	return 0;
@@ -801,6 +804,7 @@ static void start_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu)
 struct workqueue_struct *__create_workqueue_key(const char *name,
 						int singlethread,
 						int freezeable,
+						int rt,
 						struct lock_class_key *key,
 						const char *lock_name)
 {
@@ -822,6 +826,7 @@ struct workqueue_struct *__create_workqueue_key(const char *name,
 	lockdep_init_map(&wq->lockdep_map, lock_name, key, 0);
 	wq->singlethread = singlethread;
 	wq->freezeable = freezeable;
+	wq->rt = rt;
 	INIT_LIST_HEAD(&wq->list);
 
 	if (singlethread) {
-- 
GitLab


From c9583e55fa2b08a230c549bd1e3c0bde6c50d9cc Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 13 Oct 2008 23:50:10 +0200
Subject: [PATCH 1759/2224] stop_machine: use workqueues instead of kernel
 threads

Convert stop_machine to a workqueue based approach. Instead of using kernel
threads for stop_machine we now use a an rt workqueue to synchronize all
cpus.
This has the advantage that all needed per cpu threads are already created
when stop_machine gets called. And therefore a call to stop_machine won't
fail anymore. This is needed for s390 which needs a mechanism to synchronize
all cpus without allocating any memory.
As Rusty pointed out free_module() needs a non-failing stop_machine interface
as well.

As a side effect the stop_machine code gets simplified.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 kernel/stop_machine.c | 111 ++++++++++++++++--------------------------
 1 file changed, 41 insertions(+), 70 deletions(-)

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index af3c7cea258..0e688c6a1a6 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -37,9 +37,13 @@ struct stop_machine_data {
 /* Like num_online_cpus(), but hotplug cpu uses us, so we need this. */
 static unsigned int num_threads;
 static atomic_t thread_ack;
-static struct completion finished;
 static DEFINE_MUTEX(lock);
 
+static struct workqueue_struct *stop_machine_wq;
+static struct stop_machine_data active, idle;
+static const cpumask_t *active_cpus;
+static void *stop_machine_work;
+
 static void set_state(enum stopmachine_state newstate)
 {
 	/* Reset ack counter. */
@@ -51,21 +55,25 @@ static void set_state(enum stopmachine_state newstate)
 /* Last one to ack a state moves to the next state. */
 static void ack_state(void)
 {
-	if (atomic_dec_and_test(&thread_ack)) {
-		/* If we're the last one to ack the EXIT, we're finished. */
-		if (state == STOPMACHINE_EXIT)
-			complete(&finished);
-		else
-			set_state(state + 1);
-	}
+	if (atomic_dec_and_test(&thread_ack))
+		set_state(state + 1);
 }
 
-/* This is the actual thread which stops the CPU.  It exits by itself rather
- * than waiting for kthread_stop(), because it's easier for hotplug CPU. */
-static int stop_cpu(struct stop_machine_data *smdata)
+/* This is the actual function which stops the CPU. It runs
+ * in the context of a dedicated stopmachine workqueue. */
+static void stop_cpu(struct work_struct *unused)
 {
 	enum stopmachine_state curstate = STOPMACHINE_NONE;
-
+	struct stop_machine_data *smdata = &idle;
+	int cpu = smp_processor_id();
+
+	if (!active_cpus) {
+		if (cpu == first_cpu(cpu_online_map))
+			smdata = &active;
+	} else {
+		if (cpu_isset(cpu, *active_cpus))
+			smdata = &active;
+	}
 	/* Simple state machine */
 	do {
 		/* Chill out and ensure we re-read stopmachine_state. */
@@ -90,7 +98,6 @@ static int stop_cpu(struct stop_machine_data *smdata)
 	} while (curstate != STOPMACHINE_EXIT);
 
 	local_irq_enable();
-	do_exit(0);
 }
 
 /* Callback for CPUs which aren't supposed to do anything. */
@@ -101,78 +108,34 @@ static int chill(void *unused)
 
 int __stop_machine(int (*fn)(void *), void *data, const cpumask_t *cpus)
 {
-	int i, err;
-	struct stop_machine_data active, idle;
-	struct task_struct **threads;
+	struct work_struct *sm_work;
+	int i;
 
+	/* Set up initial state. */
+	mutex_lock(&lock);
+	num_threads = num_online_cpus();
+	active_cpus = cpus;
 	active.fn = fn;
 	active.data = data;
 	active.fnret = 0;
 	idle.fn = chill;
 	idle.data = NULL;
 
-	/* This could be too big for stack on large machines. */
-	threads = kcalloc(NR_CPUS, sizeof(threads[0]), GFP_KERNEL);
-	if (!threads)
-		return -ENOMEM;
-
-	/* Set up initial state. */
-	mutex_lock(&lock);
-	init_completion(&finished);
-	num_threads = num_online_cpus();
 	set_state(STOPMACHINE_PREPARE);
 
-	for_each_online_cpu(i) {
-		struct stop_machine_data *smdata = &idle;
-		struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
-
-		if (!cpus) {
-			if (i == first_cpu(cpu_online_map))
-				smdata = &active;
-		} else {
-			if (cpu_isset(i, *cpus))
-				smdata = &active;
-		}
-
-		threads[i] = kthread_create((void *)stop_cpu, smdata, "kstop%u",
-					    i);
-		if (IS_ERR(threads[i])) {
-			err = PTR_ERR(threads[i]);
-			threads[i] = NULL;
-			goto kill_threads;
-		}
-
-		/* Place it onto correct cpu. */
-		kthread_bind(threads[i], i);
-
-		/* Make it highest prio. */
-		if (sched_setscheduler_nocheck(threads[i], SCHED_FIFO, &param))
-			BUG();
-	}
-
-	/* We've created all the threads.  Wake them all: hold this CPU so one
+	/* Schedule the stop_cpu work on all cpus: hold this CPU so one
 	 * doesn't hit this CPU until we're ready. */
 	get_cpu();
-	for_each_online_cpu(i)
-		wake_up_process(threads[i]);
-
+	for_each_online_cpu(i) {
+		sm_work = percpu_ptr(stop_machine_work, i);
+		INIT_WORK(sm_work, stop_cpu);
+		queue_work_on(i, stop_machine_wq, sm_work);
+	}
 	/* This will release the thread on our CPU. */
 	put_cpu();
-	wait_for_completion(&finished);
+	flush_workqueue(stop_machine_wq);
 	mutex_unlock(&lock);
-
-	kfree(threads);
-
 	return active.fnret;
-
-kill_threads:
-	for_each_online_cpu(i)
-		if (threads[i])
-			kthread_stop(threads[i]);
-	mutex_unlock(&lock);
-
-	kfree(threads);
-	return err;
 }
 
 int stop_machine(int (*fn)(void *), void *data, const cpumask_t *cpus)
@@ -187,3 +150,11 @@ int stop_machine(int (*fn)(void *), void *data, const cpumask_t *cpus)
 	return ret;
 }
 EXPORT_SYMBOL_GPL(stop_machine);
+
+static int __init stop_machine_init(void)
+{
+	stop_machine_wq = create_rt_workqueue("kstop");
+	stop_machine_work = alloc_percpu(struct work_struct);
+	return 0;
+}
+early_initcall(stop_machine_init);
-- 
GitLab


From 8163bcac779f62c6bf847caed9bce905db0693fb Mon Sep 17 00:00:00 2001
From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 22 Oct 2008 10:00:26 -0500
Subject: [PATCH 1760/2224] stop_machine: fix error code handling on multiple
 cpus

Using |= for updating a value which might be updated on several cpus
concurrently will not always work since we need to make sure that the
update happens atomically.
To fix this just use a write if the called function returns an error
code on a cpu. We end up writing the error code of an arbitrary cpu
if multiple ones fail but that should be sufficient.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 kernel/stop_machine.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 0e688c6a1a6..8aff79d90dd 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -66,6 +66,7 @@ static void stop_cpu(struct work_struct *unused)
 	enum stopmachine_state curstate = STOPMACHINE_NONE;
 	struct stop_machine_data *smdata = &idle;
 	int cpu = smp_processor_id();
+	int err;
 
 	if (!active_cpus) {
 		if (cpu == first_cpu(cpu_online_map))
@@ -86,9 +87,11 @@ static void stop_cpu(struct work_struct *unused)
 				hard_irq_disable();
 				break;
 			case STOPMACHINE_RUN:
-				/* |= allows error detection if functions on
-				 * multiple CPUs. */
-				smdata->fnret |= smdata->fn(smdata->data);
+				/* On multiple CPUs only a single error code
+				 * is needed to tell that something failed. */
+				err = smdata->fn(smdata->data);
+				if (err)
+					smdata->fnret = err;
 				break;
 			default:
 				break;
-- 
GitLab


From a30d46c042c8a17ef25de02f439fbd120ab8a8de Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Mon, 20 Oct 2008 23:46:28 +0200
Subject: [PATCH 1761/2224] mfd: twl4030 IRQ handling update

- Move it into a separate file; clean and streamline it
 - Restructure the init code for reuse during secondary dispatch
 - Support both levels (primary, secondary) of IRQ dispatch
 - Use a workqueue for irq mask/unmask and trigger configuration

Code for two subchips currently share that secondary handler code.
One is the power subchip; its IRQs are now handled by this core,
courtesy of this patch.  The other is the GPIO module, which will
be supported through a later patch.

There are also minor changes to the header file, mostly related
to GPIO support; nothing yet in mainline cares about those.  A
few references to OMAP-specific symbols are disabled; when they
can all be removed, the TWL4030 support ceases being OMAP-specific.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/Makefile        |   2 +-
 drivers/mfd/twl4030-core.c  | 421 +-------------------
 drivers/mfd/twl4030-irq.c   | 743 ++++++++++++++++++++++++++++++++++++
 include/linux/i2c/twl4030.h |  28 +-
 4 files changed, 777 insertions(+), 417 deletions(-)
 create mode 100644 drivers/mfd/twl4030-irq.c

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 68e237b830a..0acefe8aff8 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -17,7 +17,7 @@ wm8350-objs			:= wm8350-core.o wm8350-regmap.o wm8350-gpio.o
 obj-$(CONFIG_MFD_WM8350)	+= wm8350.o
 obj-$(CONFIG_MFD_WM8350_I2C)	+= wm8350-i2c.o
 
-obj-$(CONFIG_TWL4030_CORE)	+= twl4030-core.o
+obj-$(CONFIG_TWL4030_CORE)	+= twl4030-core.o twl4030-irq.o
 
 obj-$(CONFIG_MFD_CORE)		+= mfd-core.o
 
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index fd9a0160202..dd843c4fbcc 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -27,15 +27,11 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-#include <linux/kernel_stat.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/random.h>
-#include <linux/kthread.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/err.h>
 
 #include <linux/i2c.h>
 #include <linux/i2c/twl4030.h>
@@ -93,26 +89,6 @@
 #define twl_has_usb()	false
 #endif
 
-static inline void activate_irq(int irq)
-{
-#ifdef CONFIG_ARM
-	/* ARM requires an extra step to clear IRQ_NOREQUEST, which it
-	 * sets on behalf of every irq_chip.  Also sets IRQ_NOPROBE.
-	 */
-	set_irq_flags(irq, IRQF_VALID);
-#else
-	/* same effect on other architectures */
-	set_irq_noprobe(irq);
-#endif
-}
-
-/* Primary Interrupt Handler on TWL4030 Registers */
-
-/* Register Definitions */
-
-#define REG_PIH_ISR_P1			(0x1)
-#define REG_PIH_ISR_P2			(0x2)
-#define REG_PIH_SIR			(0x3)
 
 /* Triton Core internal information (BEGIN) */
 
@@ -175,138 +151,6 @@ static inline void activate_irq(int irq)
 
 /*----------------------------------------------------------------------*/
 
-/**
- * struct twl4030_mod_iregs - TWL module IMR/ISR regs to mask/clear at init
- * @mod_no: TWL4030 module number (e.g., TWL4030_MODULE_GPIO)
- * @sih_ctrl: address of module SIH_CTRL register
- * @reg_cnt: number of IMR/ISR regs
- * @imrs: pointer to array of TWL module interrupt mask register indices
- * @isrs: pointer to array of TWL module interrupt status register indices
- *
- * Ties together TWL4030 modules and lists of IMR/ISR registers to mask/clear
- * during twl_init_irq().
- */
-struct twl4030_mod_iregs {
-	const u8 mod_no;
-	const u8 sih_ctrl;
-	const u8 reg_cnt;
-	const u8 *imrs;
-	const u8 *isrs;
-};
-
-/* TWL4030 INT module interrupt mask registers */
-static const u8 __initconst twl4030_int_imr_regs[] = {
-	TWL4030_INT_PWR_IMR1,
-	TWL4030_INT_PWR_IMR2,
-};
-
-/* TWL4030 INT module interrupt status registers */
-static const u8 __initconst twl4030_int_isr_regs[] = {
-	TWL4030_INT_PWR_ISR1,
-	TWL4030_INT_PWR_ISR2,
-};
-
-/* TWL4030 INTERRUPTS module interrupt mask registers */
-static const u8 __initconst twl4030_interrupts_imr_regs[] = {
-	TWL4030_INTERRUPTS_BCIIMR1A,
-	TWL4030_INTERRUPTS_BCIIMR1B,
-	TWL4030_INTERRUPTS_BCIIMR2A,
-	TWL4030_INTERRUPTS_BCIIMR2B,
-};
-
-/* TWL4030 INTERRUPTS module interrupt status registers */
-static const u8 __initconst twl4030_interrupts_isr_regs[] = {
-	TWL4030_INTERRUPTS_BCIISR1A,
-	TWL4030_INTERRUPTS_BCIISR1B,
-	TWL4030_INTERRUPTS_BCIISR2A,
-	TWL4030_INTERRUPTS_BCIISR2B,
-};
-
-/* TWL4030 MADC module interrupt mask registers */
-static const u8 __initconst twl4030_madc_imr_regs[] = {
-	TWL4030_MADC_IMR1,
-	TWL4030_MADC_IMR2,
-};
-
-/* TWL4030 MADC module interrupt status registers */
-static const u8 __initconst twl4030_madc_isr_regs[] = {
-	TWL4030_MADC_ISR1,
-	TWL4030_MADC_ISR2,
-};
-
-/* TWL4030 keypad module interrupt mask registers */
-static const u8 __initconst twl4030_keypad_imr_regs[] = {
-	TWL4030_KEYPAD_KEYP_IMR1,
-	TWL4030_KEYPAD_KEYP_IMR2,
-};
-
-/* TWL4030 keypad module interrupt status registers */
-static const u8 __initconst twl4030_keypad_isr_regs[] = {
-	TWL4030_KEYPAD_KEYP_ISR1,
-	TWL4030_KEYPAD_KEYP_ISR2,
-};
-
-/* TWL4030 GPIO module interrupt mask registers */
-static const u8 __initconst twl4030_gpio_imr_regs[] = {
-	REG_GPIO_IMR1A,
-	REG_GPIO_IMR1B,
-	REG_GPIO_IMR2A,
-	REG_GPIO_IMR2B,
-	REG_GPIO_IMR3A,
-	REG_GPIO_IMR3B,
-};
-
-/* TWL4030 GPIO module interrupt status registers */
-static const u8 __initconst twl4030_gpio_isr_regs[] = {
-	REG_GPIO_ISR1A,
-	REG_GPIO_ISR1B,
-	REG_GPIO_ISR2A,
-	REG_GPIO_ISR2B,
-	REG_GPIO_ISR3A,
-	REG_GPIO_ISR3B,
-};
-
-/* TWL4030 modules that have IMR/ISR registers that must be masked/cleared */
-static const struct twl4030_mod_iregs __initconst twl4030_mod_regs[] = {
-	{
-		.mod_no	  = TWL4030_MODULE_INT,
-		.sih_ctrl = TWL4030_INT_PWR_SIH_CTRL,
-		.reg_cnt  = ARRAY_SIZE(twl4030_int_imr_regs),
-		.imrs	  = twl4030_int_imr_regs,
-		.isrs	  = twl4030_int_isr_regs,
-	},
-	{
-		.mod_no	  = TWL4030_MODULE_INTERRUPTS,
-		.sih_ctrl = TWL4030_INTERRUPTS_BCISIHCTRL,
-		.reg_cnt  = ARRAY_SIZE(twl4030_interrupts_imr_regs),
-		.imrs	  = twl4030_interrupts_imr_regs,
-		.isrs	  = twl4030_interrupts_isr_regs,
-	},
-	{
-		.mod_no	  = TWL4030_MODULE_MADC,
-		.sih_ctrl = TWL4030_MADC_SIH_CTRL,
-		.reg_cnt  = ARRAY_SIZE(twl4030_madc_imr_regs),
-		.imrs	  = twl4030_madc_imr_regs,
-		.isrs	  = twl4030_madc_isr_regs,
-	},
-	{
-		.mod_no	  = TWL4030_MODULE_KEYPAD,
-		.sih_ctrl = TWL4030_KEYPAD_KEYP_SIH_CTRL,
-		.reg_cnt  = ARRAY_SIZE(twl4030_keypad_imr_regs),
-		.imrs	  = twl4030_keypad_imr_regs,
-		.isrs	  = twl4030_keypad_isr_regs,
-	},
-	{
-		.mod_no	  = TWL4030_MODULE_GPIO,
-		.sih_ctrl = REG_GPIO_SIH_CTRL,
-		.reg_cnt  = ARRAY_SIZE(twl4030_gpio_imr_regs),
-		.imrs	  = twl4030_gpio_imr_regs,
-		.isrs	  = twl4030_gpio_isr_regs,
-	},
-};
-
-/*----------------------------------------------------------------*/
-
 /* is driver active, bound to a chip? */
 static bool inuse;
 
@@ -367,33 +211,6 @@ static struct twl4030mapping twl4030_map[TWL4030_MODULE_LAST + 1] = {
 
 /*----------------------------------------------------------------------*/
 
-/*
- * TWL4030 doesn't have PIH mask, hence dummy function for mask
- * and unmask of the (eight) interrupts reported at that level ...
- * masking is only available from SIH (secondary) modules.
- */
-
-static void twl4030_i2c_ackirq(unsigned int irq)
-{
-}
-
-static void twl4030_i2c_disableint(unsigned int irq)
-{
-}
-
-static void twl4030_i2c_enableint(unsigned int irq)
-{
-}
-
-static struct irq_chip twl4030_irq_chip = {
-	.name	= "twl4030",
-	.ack	= twl4030_i2c_ackirq,
-	.mask	= twl4030_i2c_disableint,
-	.unmask	= twl4030_i2c_enableint,
-};
-
-/*----------------------------------------------------------------------*/
-
 /* Exported Functions */
 
 /**
@@ -535,108 +352,11 @@ EXPORT_SYMBOL(twl4030_i2c_read_u8);
 
 /*----------------------------------------------------------------------*/
 
-static unsigned twl4030_irq_base;
-
-static struct completion irq_event;
-
-/*
- * This thread processes interrupts reported by the Primary Interrupt Handler.
- */
-static int twl4030_irq_thread(void *data)
-{
-	long irq = (long)data;
-	irq_desc_t *desc = irq_desc + irq;
-	static unsigned i2c_errors;
-	const static unsigned max_i2c_errors = 100;
-
-	current->flags |= PF_NOFREEZE;
-
-	while (!kthread_should_stop()) {
-		int ret;
-		int module_irq;
-		u8 pih_isr;
-
-		/* Wait for IRQ, then read PIH irq status (also blocking) */
-		wait_for_completion_interruptible(&irq_event);
-
-		ret = twl4030_i2c_read_u8(TWL4030_MODULE_PIH, &pih_isr,
-					  REG_PIH_ISR_P1);
-		if (ret) {
-			pr_warning("%s: I2C error %d reading PIH ISR\n",
-					DRIVER_NAME, ret);
-			if (++i2c_errors >= max_i2c_errors) {
-				printk(KERN_ERR "Maximum I2C error count"
-						" exceeded.  Terminating %s.\n",
-						__func__);
-				break;
-			}
-			complete(&irq_event);
-			continue;
-		}
-
-		/* these handlers deal with the relevant SIH irq status */
-		local_irq_disable();
-		for (module_irq = twl4030_irq_base;
-				pih_isr;
-				pih_isr >>= 1, module_irq++) {
-			if (pih_isr & 0x1) {
-				irq_desc_t *d = irq_desc + module_irq;
-
-				d->handle_irq(module_irq, d);
-			}
-		}
-		local_irq_enable();
-
-		desc->chip->unmask(irq);
-	}
-
-	return 0;
-}
-
 /*
- * do_twl4030_irq() is the desc->handle method for the twl4030 interrupt.
- * This is a chained interrupt, so there is no desc->action method for it.
- * Now we need to query the interrupt controller in the twl4030 to determine
- * which module is generating the interrupt request.  However, we can't do i2c
- * transactions in interrupt context, so we must defer that work to a kernel
- * thread.  All we do here is acknowledge and mask the interrupt and wakeup
- * the kernel thread.
+ * NOTE:  We know the first 8 IRQs after pdata->base_irq are
+ * for the PIH, and the next are for the PWR_INT SIH, since
+ * that's how twl_init_irq() sets things up.
  */
-static void do_twl4030_irq(unsigned int irq, irq_desc_t *desc)
-{
-	const unsigned int cpu = smp_processor_id();
-
-	/*
-	 * Earlier this was desc->triggered = 1;
-	 */
-	desc->status |= IRQ_LEVEL;
-
-	/*
-	 * Acknowledge, clear _AND_ disable the interrupt.
-	 */
-	desc->chip->ack(irq);
-
-	if (!desc->depth) {
-		kstat_cpu(cpu).irqs[irq]++;
-
-		complete(&irq_event);
-	}
-}
-
-static struct task_struct * __init start_twl4030_irq_thread(long irq)
-{
-	struct task_struct *thread;
-
-	init_completion(&irq_event);
-	thread = kthread_run(twl4030_irq_thread, (void *)irq, "twl4030-irq");
-	if (!thread)
-		pr_err("%s: could not create twl4030 irq %ld thread!\n",
-		       DRIVER_NAME, irq);
-
-	return thread;
-}
-
-/*----------------------------------------------------------------------*/
 
 static int add_children(struct twl4030_platform_data *pdata)
 {
@@ -668,7 +388,7 @@ static int add_children(struct twl4030_platform_data *pdata)
 
 		if (status == 0) {
 			struct resource r = {
-				.start = TWL4030_PWRIRQ_CHG_PRES,
+				.start = pdata->irq_base + 8 + 1,
 				.flags = IORESOURCE_IRQ,
 			};
 
@@ -817,8 +537,7 @@ static int add_children(struct twl4030_platform_data *pdata)
 		/* RTC module IRQ */
 		if (status == 0) {
 			struct resource	r = {
-				/* REVISIT don't hard-wire this stuff */
-				.start = TWL4030_PWRIRQ_RTC,
+				.start = pdata->irq_base + 8 + 3,
 				.flags = IORESOURCE_IRQ,
 			};
 
@@ -863,7 +582,7 @@ static int add_children(struct twl4030_platform_data *pdata)
 
 		if (status == 0) {
 			struct resource r = {
-				.start = TWL4030_PWRIRQ_USB_PRES,
+				.start = pdata->irq_base + 8 + 2,
 				.flags = IORESOURCE_IRQ,
 			};
 
@@ -965,123 +684,17 @@ static void __init clocks_init(void)
 
 /*----------------------------------------------------------------------*/
 
-/**
- * twl4030_i2c_clear_isr - clear TWL4030 SIH ISR regs via read + write
- * @mod_no: TWL4030 module number
- * @reg: register index to clear
- * @cor: value of the <module>_SIH_CTRL.COR bit (1 or 0)
- *
- * Either reads (cor == 1) or writes (cor == 0) to a TWL4030 interrupt
- * status register to ensure that any prior interrupts are cleared.
- * Returns the status from the I2C read operation.
- */
-static int __init twl4030_i2c_clear_isr(u8 mod_no, u8 reg, u8 cor)
-{
-	u8 tmp;
-
-	return (cor) ? twl4030_i2c_read_u8(mod_no, &tmp, reg) :
-		twl4030_i2c_write_u8(mod_no, 0xff, reg);
-}
-
-/**
- * twl4030_read_cor_bit - are TWL module ISRs cleared by reads or writes?
- * @mod_no: TWL4030 module number
- * @reg: register index to clear
- *
- * Returns 1 if the TWL4030 SIH interrupt status registers (ISRs) for
- * the specified TWL module are cleared by reads, or 0 if cleared by
- * writes.
- */
-static int twl4030_read_cor_bit(u8 mod_no, u8 reg)
-{
-	u8 tmp = 0;
-
-	WARN_ON(twl4030_i2c_read_u8(mod_no, &tmp, reg) < 0);
-
-	tmp &= TWL4030_SIH_CTRL_COR_MASK;
-	tmp >>= __ffs(TWL4030_SIH_CTRL_COR_MASK);
-
-	return tmp;
-}
-
-/**
- * twl4030_mask_clear_intrs - mask and clear all TWL4030 interrupts
- * @t: pointer to twl4030_mod_iregs array
- * @t_sz: ARRAY_SIZE(t) (starting at 1)
- *
- * Mask all TWL4030 interrupt mask registers (IMRs) and clear all
- * interrupt status registers (ISRs).  No return value, but will WARN if
- * any I2C operations fail.
- */
-static void __init twl4030_mask_clear_intrs(const struct twl4030_mod_iregs *t,
-					    const u8 t_sz)
-{
-	int i, j;
-
-	/*
-	 * N.B. - further efficiency is possible here.  Eight I2C
-	 * operations on BCI and GPIO modules are avoidable if I2C
-	 * burst read/write transactions were implemented.  Would
-	 * probably save about 1ms of boot time and a small amount of
-	 * power.
-	 */
-	for (i = 0; i < t_sz; i++) {
-		const struct twl4030_mod_iregs tmr = t[i];
-		int cor;
-
-		/* Are ISRs cleared by reads or writes? */
-		cor = twl4030_read_cor_bit(tmr.mod_no, tmr.sih_ctrl);
-
-		for (j = 0; j < tmr.reg_cnt; j++) {
-
-			/* Mask interrupts at the TWL4030 */
-			WARN_ON(twl4030_i2c_write_u8(tmr.mod_no, 0xff,
-						     tmr.imrs[j]) < 0);
-
-			/* Clear TWL4030 ISRs */
-			WARN_ON(twl4030_i2c_clear_isr(tmr.mod_no,
-						      tmr.isrs[j], cor) < 0);
-		}
-	}
-}
-
-
-static void twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
-{
-	int	i;
-
-	/*
-	 * Mask and clear all TWL4030 interrupts since initially we do
-	 * not have any TWL4030 module interrupt handlers present
-	 */
-	twl4030_mask_clear_intrs(twl4030_mod_regs,
-				 ARRAY_SIZE(twl4030_mod_regs));
-
-	twl4030_irq_base = irq_base;
-
-	/* install an irq handler for each of the PIH modules */
-	for (i = irq_base; i < irq_end; i++) {
-		set_irq_chip_and_handler(i, &twl4030_irq_chip,
-				handle_simple_irq);
-		activate_irq(i);
-	}
-
-	/* install an irq handler to demultiplex the TWL4030 interrupt */
-	set_irq_data(irq_num, start_twl4030_irq_thread(irq_num));
-	set_irq_chained_handler(irq_num, do_twl4030_irq);
-}
-
-/*----------------------------------------------------------------------*/
+int twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end);
+int twl_exit_irq(void);
 
 static int twl4030_remove(struct i2c_client *client)
 {
 	unsigned i;
+	int status;
 
-	/* FIXME undo twl_init_irq() */
-	if (twl4030_irq_base) {
-		dev_err(&client->dev, "can't yet clean up IRQs?\n");
-		return -ENOSYS;
-	}
+	status = twl_exit_irq();
+	if (status < 0)
+		return status;
 
 	for (i = 0; i < TWL4030_NUM_SLAVES; i++) {
 		struct twl4030_client	*twl = &twl4030_modules[i];
@@ -1112,7 +725,7 @@ twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		return -EIO;
 	}
 
-	if (inuse || twl4030_irq_base) {
+	if (inuse) {
 		dev_dbg(&client->dev, "driver is already in use\n");
 		return -EBUSY;
 	}
@@ -1146,9 +759,9 @@ twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	if (client->irq
 			&& pdata->irq_base
 			&& pdata->irq_end > pdata->irq_base) {
-		twl_init_irq(client->irq, pdata->irq_base, pdata->irq_end);
-		dev_info(&client->dev, "IRQ %d chains IRQs %d..%d\n",
-				client->irq, pdata->irq_base, pdata->irq_end - 1);
+		status = twl_init_irq(client->irq, pdata->irq_base, pdata->irq_end);
+		if (status < 0)
+			goto fail;
 	}
 
 	status = add_children(pdata);
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
new file mode 100644
index 00000000000..fae868a8d49
--- /dev/null
+++ b/drivers/mfd/twl4030-irq.c
@@ -0,0 +1,743 @@
+/*
+ * twl4030-irq.c - TWL4030/TPS659x0 irq support
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * Modifications to defer interrupt handling to a kernel thread:
+ * Copyright (C) 2006 MontaVista Software, Inc.
+ *
+ * Based on tlv320aic23.c:
+ * Copyright (c) by Kai Svahn <kai.svahn@nokia.com>
+ *
+ * Code cleanup and modifications to IRQ handler.
+ * by syed khasim <x0khasim@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/kthread.h>
+
+#include <linux/i2c/twl4030.h>
+
+
+/*
+ * TWL4030 IRQ handling has two stages in hardware, and thus in software.
+ * The Primary Interrupt Handler (PIH) stage exposes status bits saying
+ * which Secondary Interrupt Handler (SIH) stage is raising an interrupt.
+ * SIH modules are more traditional IRQ components, which support per-IRQ
+ * enable/disable and trigger controls; they do most of the work.
+ *
+ * These chips are designed to support IRQ handling from two different
+ * I2C masters.  Each has a dedicated IRQ line, and dedicated IRQ status
+ * and mask registers in the PIH and SIH modules.
+ *
+ * We set up IRQs starting at a platform-specified base, always starting
+ * with PIH and the SIH for PWR_INT and then usually adding GPIO:
+ *	base + 0  .. base + 7	PIH
+ *	base + 8  .. base + 15	SIH for PWR_INT
+ *	base + 16 .. base + 33	SIH for GPIO
+ */
+
+/* PIH register offsets */
+#define REG_PIH_ISR_P1			0x01
+#define REG_PIH_ISR_P2			0x02
+#define REG_PIH_SIR			0x03	/* for testing */
+
+
+/* Linux could (eventually) use either IRQ line */
+static int irq_line;
+
+struct sih {
+	char	name[8];
+	u8	module;			/* module id */
+	u8	control_offset;		/* for SIH_CTRL */
+	bool	set_cor;
+
+	u8	bits;			/* valid in isr/imr */
+	u8	bytes_ixr;		/* bytelen of ISR/IMR/SIR */
+
+	u8	edr_offset;
+	u8	bytes_edr;		/* bytelen of EDR */
+
+	/* SIR ignored -- set interrupt, for testing only */
+	struct irq_data {
+		u8	isr_offset;
+		u8	imr_offset;
+	} mask[2];
+	/* + 2 bytes padding */
+};
+
+#define SIH_INITIALIZER(modname, nbits) \
+	.module		= TWL4030_MODULE_ ## modname, \
+	.control_offset = TWL4030_ ## modname ## _SIH_CTRL, \
+	.bits		= nbits, \
+	.bytes_ixr	= DIV_ROUND_UP(nbits, 8), \
+	.edr_offset	= TWL4030_ ## modname ## _EDR, \
+	.bytes_edr	= DIV_ROUND_UP((2*(nbits)), 8), \
+	.mask = { { \
+		.isr_offset	= TWL4030_ ## modname ## _ISR1, \
+		.imr_offset	= TWL4030_ ## modname ## _IMR1, \
+	}, \
+	{ \
+		.isr_offset	= TWL4030_ ## modname ## _ISR2, \
+		.imr_offset	= TWL4030_ ## modname ## _IMR2, \
+	}, },
+
+/* register naming policies are inconsistent ... */
+#define TWL4030_INT_PWR_EDR		TWL4030_INT_PWR_EDR1
+#define TWL4030_MODULE_KEYPAD_KEYP	TWL4030_MODULE_KEYPAD
+#define TWL4030_MODULE_INT_PWR		TWL4030_MODULE_INT
+
+
+/* Order in this table matches order in PIH_ISR.  That is,
+ * BIT(n) in PIH_ISR is sih_modules[n].
+ */
+static const struct sih sih_modules[6] = {
+	[0] = {
+		.name		= "gpio",
+		.module		= TWL4030_MODULE_GPIO,
+		.control_offset	= REG_GPIO_SIH_CTRL,
+		.set_cor	= true,
+		.bits		= TWL4030_GPIO_MAX,
+		.bytes_ixr	= 3,
+		/* Note: *all* of these IRQs default to no-trigger */
+		.edr_offset	= REG_GPIO_EDR1,
+		.bytes_edr	= 5,
+		.mask = { {
+			.isr_offset	= REG_GPIO_ISR1A,
+			.imr_offset	= REG_GPIO_IMR1A,
+		}, {
+			.isr_offset	= REG_GPIO_ISR1B,
+			.imr_offset	= REG_GPIO_IMR1B,
+		}, },
+	},
+	[1] = {
+		.name		= "keypad",
+		.set_cor	= true,
+		SIH_INITIALIZER(KEYPAD_KEYP, 4)
+	},
+	[2] = {
+		.name		= "bci",
+		.module		= TWL4030_MODULE_INTERRUPTS,
+		.control_offset	= TWL4030_INTERRUPTS_BCISIHCTRL,
+		.bits		= 12,
+		.bytes_ixr	= 2,
+		.edr_offset	= TWL4030_INTERRUPTS_BCIEDR1,
+		/* Note: most of these IRQs default to no-trigger */
+		.bytes_edr	= 3,
+		.mask = { {
+			.isr_offset	= TWL4030_INTERRUPTS_BCIISR1A,
+			.imr_offset	= TWL4030_INTERRUPTS_BCIIMR1A,
+		}, {
+			.isr_offset	= TWL4030_INTERRUPTS_BCIISR1B,
+			.imr_offset	= TWL4030_INTERRUPTS_BCIIMR1B,
+		}, },
+	},
+	[3] = {
+		.name		= "madc",
+		SIH_INITIALIZER(MADC, 4)
+	},
+	[4] = {
+		/* USB doesn't use the same SIH organization */
+		.name		= "usb",
+	},
+	[5] = {
+		.name		= "power",
+		.set_cor	= true,
+		SIH_INITIALIZER(INT_PWR, 8)
+	},
+		/* there are no SIH modules #6 or #7 ... */
+};
+
+#undef TWL4030_MODULE_KEYPAD_KEYP
+#undef TWL4030_MODULE_INT_PWR
+#undef TWL4030_INT_PWR_EDR
+
+/*----------------------------------------------------------------------*/
+
+static unsigned twl4030_irq_base;
+
+static struct completion irq_event;
+
+/*
+ * This thread processes interrupts reported by the Primary Interrupt Handler.
+ */
+static int twl4030_irq_thread(void *data)
+{
+	long irq = (long)data;
+	irq_desc_t *desc = irq_desc + irq;
+	static unsigned i2c_errors;
+	const static unsigned max_i2c_errors = 100;
+
+	current->flags |= PF_NOFREEZE;
+
+	while (!kthread_should_stop()) {
+		int ret;
+		int module_irq;
+		u8 pih_isr;
+
+		/* Wait for IRQ, then read PIH irq status (also blocking) */
+		wait_for_completion_interruptible(&irq_event);
+
+		ret = twl4030_i2c_read_u8(TWL4030_MODULE_PIH, &pih_isr,
+					  REG_PIH_ISR_P1);
+		if (ret) {
+			pr_warning("twl4030: I2C error %d reading PIH ISR\n",
+					ret);
+			if (++i2c_errors >= max_i2c_errors) {
+				printk(KERN_ERR "Maximum I2C error count"
+						" exceeded.  Terminating %s.\n",
+						__func__);
+				break;
+			}
+			complete(&irq_event);
+			continue;
+		}
+
+		/* these handlers deal with the relevant SIH irq status */
+		local_irq_disable();
+		for (module_irq = twl4030_irq_base;
+				pih_isr;
+				pih_isr >>= 1, module_irq++) {
+			if (pih_isr & 0x1) {
+				irq_desc_t *d = irq_desc + module_irq;
+
+				/* These can't be masked ... always warn
+				 * if we get any surprises.
+				 */
+				if (d->status & IRQ_DISABLED)
+					note_interrupt(module_irq, d,
+							IRQ_NONE);
+				else
+					d->handle_irq(module_irq, d);
+			}
+		}
+		local_irq_enable();
+
+		desc->chip->unmask(irq);
+	}
+
+	return 0;
+}
+
+/*
+ * handle_twl4030_pih() is the desc->handle method for the twl4030 interrupt.
+ * This is a chained interrupt, so there is no desc->action method for it.
+ * Now we need to query the interrupt controller in the twl4030 to determine
+ * which module is generating the interrupt request.  However, we can't do i2c
+ * transactions in interrupt context, so we must defer that work to a kernel
+ * thread.  All we do here is acknowledge and mask the interrupt and wakeup
+ * the kernel thread.
+ */
+static void handle_twl4030_pih(unsigned int irq, irq_desc_t *desc)
+{
+	/* Acknowledge, clear *AND* mask the interrupt... */
+	desc->chip->ack(irq);
+	complete(&irq_event);
+}
+
+static struct task_struct *start_twl4030_irq_thread(long irq)
+{
+	struct task_struct *thread;
+
+	init_completion(&irq_event);
+	thread = kthread_run(twl4030_irq_thread, (void *)irq, "twl4030-irq");
+	if (!thread)
+		pr_err("twl4030: could not create irq %ld thread!\n", irq);
+
+	return thread;
+}
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * twl4030_init_sih_modules() ... start from a known state where no
+ * IRQs will be coming in, and where we can quickly enable them then
+ * handle them as they arrive.  Mask all IRQs: maybe init SIH_CTRL.
+ *
+ * NOTE:  we don't touch EDR registers here; they stay with hardware
+ * defaults or whatever the last value was.  Note that when both EDR
+ * bits for an IRQ are clear, that's as if its IMR bit is set...
+ */
+static int twl4030_init_sih_modules(unsigned line)
+{
+	const struct sih *sih;
+	u8 buf[4];
+	int i;
+	int status;
+
+	/* line 0 == int1_n signal; line 1 == int2_n signal */
+	if (line > 1)
+		return -EINVAL;
+
+	irq_line = line;
+
+	/* disable all interrupts on our line */
+	memset(buf, 0xff, sizeof buf);
+	sih = sih_modules;
+	for (i = 0; i < ARRAY_SIZE(sih_modules); i++, sih++) {
+
+		/* skip USB -- it's funky */
+		if (!sih->bytes_ixr)
+			continue;
+
+		status = twl4030_i2c_write(sih->module, buf,
+				sih->mask[line].imr_offset, sih->bytes_ixr);
+		if (status < 0)
+			pr_err("twl4030: err %d initializing %s %s\n",
+					status, sih->name, "IMR");
+
+		/* Maybe disable "exclusive" mode; buffer second pending irq;
+		 * set Clear-On-Read (COR) bit.
+		 *
+		 * NOTE that sometimes COR polarity is documented as being
+		 * inverted:  for MADC and BCI, COR=1 means "clear on write".
+		 * And for PWR_INT it's not documented...
+		 */
+		if (sih->set_cor) {
+			status = twl4030_i2c_write_u8(sih->module,
+					TWL4030_SIH_CTRL_COR_MASK,
+					sih->control_offset);
+			if (status < 0)
+				pr_err("twl4030: err %d initializing %s %s\n",
+						status, sih->name, "SIH_CTRL");
+		}
+	}
+
+	sih = sih_modules;
+	for (i = 0; i < ARRAY_SIZE(sih_modules); i++, sih++) {
+		u8 rxbuf[4];
+		int j;
+
+		/* skip USB */
+		if (!sih->bytes_ixr)
+			continue;
+
+		/* Clear pending interrupt status.  Either the read was
+		 * enough, or we need to write those bits.  Repeat, in
+		 * case an IRQ is pending (PENDDIS=0) ... that's not
+		 * uncommon with PWR_INT.PWRON.
+		 */
+		for (j = 0; j < 2; j++) {
+			status = twl4030_i2c_read(sih->module, rxbuf,
+				sih->mask[line].isr_offset, sih->bytes_ixr);
+			if (status < 0)
+				pr_err("twl4030: err %d initializing %s %s\n",
+					status, sih->name, "ISR");
+
+			if (!sih->set_cor)
+				status = twl4030_i2c_write(sih->module, buf,
+					sih->mask[line].isr_offset,
+					sih->bytes_ixr);
+			/* else COR=1 means read sufficed.
+			 * (for most SIH modules...)
+			 */
+		}
+	}
+
+	return 0;
+}
+
+static inline void activate_irq(int irq)
+{
+#ifdef CONFIG_ARM
+	/* ARM requires an extra step to clear IRQ_NOREQUEST, which it
+	 * sets on behalf of every irq_chip.  Also sets IRQ_NOPROBE.
+	 */
+	set_irq_flags(irq, IRQF_VALID);
+#else
+	/* same effect on other architectures */
+	set_irq_noprobe(irq);
+#endif
+}
+
+/*----------------------------------------------------------------------*/
+
+static DEFINE_SPINLOCK(sih_agent_lock);
+
+static struct workqueue_struct *wq;
+
+struct sih_agent {
+	int			irq_base;
+	const struct sih	*sih;
+
+	u32			imr;
+	bool			imr_change_pending;
+	struct work_struct	mask_work;
+
+	u32			edge_change;
+	struct work_struct	edge_work;
+};
+
+static void twl4030_sih_do_mask(struct work_struct *work)
+{
+	struct sih_agent	*agent;
+	const struct sih	*sih;
+	union {
+		u8	bytes[4];
+		u32	word;
+	}			imr;
+	int			status;
+
+	agent = container_of(work, struct sih_agent, mask_work);
+
+	/* see what work we have */
+	spin_lock_irq(&sih_agent_lock);
+	if (agent->imr_change_pending) {
+		sih = agent->sih;
+		/* byte[0] gets overwritten as we write ... */
+		imr.word = cpu_to_le32(agent->imr << 8);
+		agent->imr_change_pending = false;
+	} else
+		sih = NULL;
+	spin_unlock_irq(&sih_agent_lock);
+	if (!sih)
+		return;
+
+	/* write the whole mask ... simpler than subsetting it */
+	status = twl4030_i2c_write(sih->module, imr.bytes,
+			sih->mask[irq_line].imr_offset, sih->bytes_ixr);
+	if (status)
+		pr_err("twl4030: %s, %s --> %d\n", __func__,
+				"write", status);
+}
+
+static void twl4030_sih_do_edge(struct work_struct *work)
+{
+	struct sih_agent	*agent;
+	const struct sih	*sih;
+	u8			bytes[6];
+	u32			edge_change;
+	int			status;
+
+	agent = container_of(work, struct sih_agent, edge_work);
+
+	/* see what work we have */
+	spin_lock_irq(&sih_agent_lock);
+	edge_change = agent->edge_change;
+	agent->edge_change = 0;;
+	sih = edge_change ? agent->sih : NULL;
+	spin_unlock_irq(&sih_agent_lock);
+	if (!sih)
+		return;
+
+	/* Read, reserving first byte for write scratch.  Yes, this
+	 * could be cached for some speedup ... but be careful about
+	 * any processor on the other IRQ line, EDR registers are
+	 * shared.
+	 */
+	status = twl4030_i2c_read(sih->module, bytes + 1,
+			sih->edr_offset, sih->bytes_edr);
+	if (status) {
+		pr_err("twl4030: %s, %s --> %d\n", __func__,
+				"read", status);
+		return;
+	}
+
+	/* Modify only the bits we know must change */
+	while (edge_change) {
+		int		i = fls(edge_change) - 1;
+		struct irq_desc	*d = irq_desc + i + agent->irq_base;
+		int		byte = 1 + (i >> 2);
+		int		off = (i & 0x3) * 2;
+
+		bytes[byte] &= ~(0x03 << off);
+
+		spin_lock_irq(&d->lock);
+		if (d->status & IRQ_TYPE_EDGE_RISING)
+			bytes[byte] |= BIT(off + 1);
+		if (d->status & IRQ_TYPE_EDGE_FALLING)
+			bytes[byte] |= BIT(off + 0);
+		spin_unlock_irq(&d->lock);
+
+		edge_change &= ~BIT(i);
+	}
+
+	/* Write */
+	status = twl4030_i2c_write(sih->module, bytes,
+			sih->edr_offset, sih->bytes_edr);
+	if (status)
+		pr_err("twl4030: %s, %s --> %d\n", __func__,
+				"write", status);
+}
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * All irq_chip methods get issued from code holding irq_desc[irq].lock,
+ * which can't perform the underlying I2C operations (because they sleep).
+ * So we must hand them off to a thread (workqueue) and cope with asynch
+ * completion, potentially including some re-ordering, of these requests.
+ */
+
+static void twl4030_sih_mask(unsigned irq)
+{
+	struct sih_agent *sih = get_irq_chip_data(irq);
+	unsigned long flags;
+
+	spin_lock_irqsave(&sih_agent_lock, flags);
+	sih->imr |= BIT(irq - sih->irq_base);
+	sih->imr_change_pending = true;
+	queue_work(wq, &sih->mask_work);
+	spin_unlock_irqrestore(&sih_agent_lock, flags);
+}
+
+static void twl4030_sih_unmask(unsigned irq)
+{
+	struct sih_agent *sih = get_irq_chip_data(irq);
+	unsigned long flags;
+
+	spin_lock_irqsave(&sih_agent_lock, flags);
+	sih->imr &= ~BIT(irq - sih->irq_base);
+	sih->imr_change_pending = true;
+	queue_work(wq, &sih->mask_work);
+	spin_unlock_irqrestore(&sih_agent_lock, flags);
+}
+
+static int twl4030_sih_set_type(unsigned irq, unsigned trigger)
+{
+	struct sih_agent *sih = get_irq_chip_data(irq);
+	struct irq_desc *desc = irq_desc + irq;
+	unsigned long flags;
+
+	if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
+		return -EINVAL;
+
+	spin_lock_irqsave(&sih_agent_lock, flags);
+	if ((desc->status & IRQ_TYPE_SENSE_MASK) != trigger) {
+		desc->status &= ~IRQ_TYPE_SENSE_MASK;
+		desc->status |= trigger;
+		sih->edge_change |= BIT(irq - sih->irq_base);
+		queue_work(wq, &sih->edge_work);
+	}
+	spin_unlock_irqrestore(&sih_agent_lock, flags);
+	return 0;
+}
+
+static struct irq_chip twl4030_sih_irq_chip = {
+	.name		= "twl4030",
+	.mask		= twl4030_sih_mask,
+	.unmask		= twl4030_sih_unmask,
+	.set_type	= twl4030_sih_set_type,
+};
+
+/*----------------------------------------------------------------------*/
+
+static inline int sih_read_isr(const struct sih *sih)
+{
+	int status;
+	union {
+		u8 bytes[4];
+		u32 word;
+	} isr;
+
+	/* FIXME need retry-on-error ... */
+
+	isr.word = 0;
+	status = twl4030_i2c_read(sih->module, isr.bytes,
+			sih->mask[irq_line].isr_offset, sih->bytes_ixr);
+
+	return (status < 0) ? status : le32_to_cpu(isr.word);
+}
+
+/*
+ * Generic handler for SIH interrupts ... we "know" this is called
+ * in task context, with IRQs enabled.
+ */
+static void handle_twl4030_sih(unsigned irq, struct irq_desc *desc)
+{
+	struct sih_agent *agent = get_irq_data(irq);
+	const struct sih *sih = agent->sih;
+	int isr;
+
+	/* reading ISR acks the IRQs, using clear-on-read mode */
+	local_irq_enable();
+	isr = sih_read_isr(sih);
+	local_irq_disable();
+
+	if (isr < 0) {
+		pr_err("twl4030: %s SIH, read ISR error %d\n",
+			sih->name, isr);
+		/* REVISIT:  recover; eventually mask it all, etc */
+		return;
+	}
+
+	while (isr) {
+		irq = fls(isr);
+		irq--;
+		isr &= ~BIT(irq);
+
+		if (irq < sih->bits)
+			generic_handle_irq(agent->irq_base + irq);
+		else
+			pr_err("twl4030: %s SIH, invalid ISR bit %d\n",
+				sih->name, irq);
+	}
+}
+
+static unsigned twl4030_irq_next;
+
+/* returns the first IRQ used by this SIH bank,
+ * or negative errno
+ */
+int twl4030_sih_setup(int module)
+{
+	int			sih_mod;
+	const struct sih	*sih = NULL;
+	struct sih_agent	*agent;
+	int			i, irq;
+	int			status = -EINVAL;
+	unsigned		irq_base = twl4030_irq_next;
+
+	/* only support modules with standard clear-on-read for now */
+	for (sih_mod = 0, sih = sih_modules;
+			sih_mod < ARRAY_SIZE(sih_modules);
+			sih_mod++, sih++) {
+		if (sih->module == module && sih->set_cor) {
+			if (!WARN((irq_base + sih->bits) > NR_IRQS,
+					"irq %d for %s too big\n",
+					irq_base + sih->bits,
+					sih->name))
+				status = 0;
+			break;
+		}
+	}
+	if (status < 0)
+		return status;
+
+	agent = kzalloc(sizeof *agent, GFP_KERNEL);
+	if (!agent)
+		return -ENOMEM;
+
+	status = 0;
+
+	agent->irq_base = irq_base;
+	agent->sih = sih;
+	agent->imr = ~0;
+	INIT_WORK(&agent->mask_work, twl4030_sih_do_mask);
+	INIT_WORK(&agent->edge_work, twl4030_sih_do_edge);
+
+	for (i = 0; i < sih->bits; i++) {
+		irq = irq_base + i;
+
+		set_irq_chip_and_handler(irq, &twl4030_sih_irq_chip,
+				handle_edge_irq);
+		set_irq_chip_data(irq, agent);
+		activate_irq(irq);
+	}
+
+	status = irq_base;
+	twl4030_irq_next += i;
+
+	/* replace generic PIH handler (handle_simple_irq) */
+	irq = sih_mod + twl4030_irq_base;
+	set_irq_data(irq, agent);
+	set_irq_chained_handler(irq, handle_twl4030_sih);
+
+	pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", sih->name,
+			irq, irq_base, twl4030_irq_next - 1);
+
+	return status;
+}
+
+/* FIXME need a call to reverse twl4030_sih_setup() ... */
+
+
+/*----------------------------------------------------------------------*/
+
+/* FIXME pass in which interrupt line we'll use ... */
+#define twl_irq_line	0
+
+int twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
+{
+	static struct irq_chip	twl4030_irq_chip;
+
+	int			status;
+	int			i;
+	struct task_struct	*task;
+
+	/*
+	 * Mask and clear all TWL4030 interrupts since initially we do
+	 * not have any TWL4030 module interrupt handlers present
+	 */
+	status = twl4030_init_sih_modules(twl_irq_line);
+	if (status < 0)
+		return status;
+
+	wq = create_singlethread_workqueue("twl4030-irqchip");
+	if (!wq) {
+		pr_err("twl4030: workqueue FAIL\n");
+		return -ESRCH;
+	}
+
+	twl4030_irq_base = irq_base;
+
+	/* install an irq handler for each of the SIH modules;
+	 * clone dummy irq_chip since PIH can't *do* anything
+	 */
+	twl4030_irq_chip = dummy_irq_chip;
+	twl4030_irq_chip.name = "twl4030";
+
+	twl4030_sih_irq_chip.ack = dummy_irq_chip.ack;
+
+	for (i = irq_base; i < irq_end; i++) {
+		set_irq_chip_and_handler(i, &twl4030_irq_chip,
+				handle_simple_irq);
+		activate_irq(i);
+	}
+	twl4030_irq_next = i;
+	pr_info("twl4030: %s (irq %d) chaining IRQs %d..%d\n", "PIH",
+			irq_num, irq_base, twl4030_irq_next - 1);
+
+	/* ... and the PWR_INT module ... */
+	status = twl4030_sih_setup(TWL4030_MODULE_INT);
+	if (status < 0) {
+		pr_err("twl4030: sih_setup PWR INT --> %d\n", status);
+		goto fail;
+	}
+
+	/* install an irq handler to demultiplex the TWL4030 interrupt */
+	task = start_twl4030_irq_thread(irq_num);
+	if (!task) {
+		pr_err("twl4030: irq thread FAIL\n");
+		status = -ESRCH;
+		goto fail;
+	}
+
+	set_irq_data(irq_num, task);
+	set_irq_chained_handler(irq_num, handle_twl4030_pih);
+
+	return status;
+
+fail:
+	for (i = irq_base; i < irq_end; i++)
+		set_irq_chip_and_handler(i, NULL, NULL);
+	destroy_workqueue(wq);
+	wq = NULL;
+	return status;
+}
+
+int twl_exit_irq(void)
+{
+	/* FIXME undo twl_init_irq() */
+	if (twl4030_irq_base) {
+		pr_err("twl4030: can't yet clean up IRQs?\n");
+		return -ENOSYS;
+	}
+	return 0;
+}
diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h
index cdb453162a9..fb604dcd38f 100644
--- a/include/linux/i2c/twl4030.h
+++ b/include/linux/i2c/twl4030.h
@@ -228,6 +228,12 @@ struct twl4030_gpio_platform_data {
 	int		gpio_base;
 	unsigned	irq_base, irq_end;
 
+	/* package the two LED signals as output-only GPIOs? */
+	bool		use_leds;
+
+	/* gpio-n should control VMMC(n+1) if BIT(n) in mmc_cd is set */
+	u8		mmc_cd;
+
 	/* For gpio-N, bit (1 << N) in "pullups" is set if that pullup
 	 * should be enabled.  Else, if that bit is set in "pulldowns",
 	 * that pulldown is enabled.  Don't waste power by letting any
@@ -277,6 +283,8 @@ struct twl4030_platform_data {
 
 /*----------------------------------------------------------------------*/
 
+int twl4030_sih_setup(int module);
+
 /*
  * FIXME completely stop using TWL4030_IRQ_BASE ... instead, pass the
  * IRQ data to subsidiary devices using platform device resources.
@@ -291,16 +299,16 @@ struct twl4030_platform_data {
 #define TWL4030_MODIRQ_BCI		(TWL4030_IRQ_BASE + 2)
 #define TWL4030_MODIRQ_MADC		(TWL4030_IRQ_BASE + 3)
 /* #define TWL4030_MODIRQ_USB		(TWL4030_IRQ_BASE + 4) */
-#define TWL4030_MODIRQ_PWR		(TWL4030_IRQ_BASE + 5)
+/* #define TWL4030_MODIRQ_PWR		(TWL4030_IRQ_BASE + 5) */
 
 #define TWL4030_PWRIRQ_PWRBTN		(TWL4030_PWR_IRQ_BASE + 0)
-#define TWL4030_PWRIRQ_CHG_PRES		(TWL4030_PWR_IRQ_BASE + 1)
-#define TWL4030_PWRIRQ_USB_PRES		(TWL4030_PWR_IRQ_BASE + 2)
-#define TWL4030_PWRIRQ_RTC		(TWL4030_PWR_IRQ_BASE + 3)
-#define TWL4030_PWRIRQ_HOT_DIE		(TWL4030_PWR_IRQ_BASE + 4)
-#define TWL4030_PWRIRQ_PWROK_TIMEOUT	(TWL4030_PWR_IRQ_BASE + 5)
-#define TWL4030_PWRIRQ_MBCHG		(TWL4030_PWR_IRQ_BASE + 6)
-#define TWL4030_PWRIRQ_SC_DETECT	(TWL4030_PWR_IRQ_BASE + 7)
+/* #define TWL4030_PWRIRQ_CHG_PRES		(TWL4030_PWR_IRQ_BASE + 1) */
+/* #define TWL4030_PWRIRQ_USB_PRES		(TWL4030_PWR_IRQ_BASE + 2) */
+/* #define TWL4030_PWRIRQ_RTC		(TWL4030_PWR_IRQ_BASE + 3) */
+/* #define TWL4030_PWRIRQ_HOT_DIE		(TWL4030_PWR_IRQ_BASE + 4) */
+/* #define TWL4030_PWRIRQ_PWROK_TIMEOUT	(TWL4030_PWR_IRQ_BASE + 5) */
+/* #define TWL4030_PWRIRQ_MBCHG		(TWL4030_PWR_IRQ_BASE + 6) */
+/* #define TWL4030_PWRIRQ_SC_DETECT	(TWL4030_PWR_IRQ_BASE + 7) */
 
 /* Rest are unsued currently*/
 
@@ -317,17 +325,13 @@ struct twl4030_platform_data {
 /* TWL4030 GPIO interrupt definitions */
 
 #define TWL4030_GPIO_IRQ_NO(n)		(TWL4030_GPIO_IRQ_BASE + (n))
-#define TWL4030_GPIO_IS_ENABLE		1
 
 /*
  * Exported TWL4030 GPIO APIs
  *
  * WARNING -- use standard GPIO and IRQ calls instead; these will vanish.
  */
-int twl4030_get_gpio_datain(int gpio);
-int twl4030_request_gpio(int gpio);
 int twl4030_set_gpio_debounce(int gpio, int enable);
-int twl4030_free_gpio(int gpio);
 
 #if defined(CONFIG_TWL4030_BCI_BATTERY) || \
 	defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
-- 
GitLab


From f96411ab73647ebf9485d77546c0c1f554bafcd7 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Mon, 20 Oct 2008 23:50:05 +0200
Subject: [PATCH 1762/2224] mfd: rtc-twl4030 driver

This adds a driver for the RTC inside the TWL4030 multi-function device.
It's a fairly basic RTC, with a wake-capable alarm.

Note that many of the pre-release Overo boards now in circulation can't
effectively use this RTC, because of a wiring error that puts its TWL
chip into "secure" mode.  (As in "secure yourself against tampering".)
This isn't an issue on other OMAP3 boards now supported in mainline,
such as Beagle and Labrador.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/rtc/Kconfig       |  10 +
 drivers/rtc/Makefile      |   1 +
 drivers/rtc/rtc-twl4030.c | 564 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 575 insertions(+)
 create mode 100644 drivers/rtc/rtc-twl4030.c

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 814f49fde53..847481dc8d7 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -246,6 +246,16 @@ config RTC_DRV_TWL92330
 	  platforms.  The support is integrated with the rest of
 	  the Menelaus driver; it's not separate module.
 
+config RTC_DRV_TWL4030
+	tristate "TI TWL4030/TWL5030/TPS659x0"
+	depends on RTC_CLASS && TWL4030_CORE
+	help
+	  If you say yes here you get support for the RTC on the
+	  TWL4030 family chips, used mostly with OMAP3 platforms.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-twl4030.
+
 config RTC_DRV_S35390A
 	tristate "Seiko Instruments S-35390A"
 	select BITREVERSE
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index d6a9ac7176e..e9e8474cc8f 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_RTC_DRV_SA1100)	+= rtc-sa1100.o
 obj-$(CONFIG_RTC_DRV_SH)	+= rtc-sh.o
 obj-$(CONFIG_RTC_DRV_STK17TA8)	+= rtc-stk17ta8.o
 obj-$(CONFIG_RTC_DRV_TEST)	+= rtc-test.o
+obj-$(CONFIG_RTC_DRV_TWL4030)	+= rtc-twl4030.o
 obj-$(CONFIG_RTC_DRV_V3020)	+= rtc-v3020.o
 obj-$(CONFIG_RTC_DRV_VR41XX)	+= rtc-vr41xx.o
 obj-$(CONFIG_RTC_DRV_X1205)	+= rtc-x1205.o
diff --git a/drivers/rtc/rtc-twl4030.c b/drivers/rtc/rtc-twl4030.c
new file mode 100644
index 00000000000..abe87a4d266
--- /dev/null
+++ b/drivers/rtc/rtc-twl4030.c
@@ -0,0 +1,564 @@
+/*
+ * rtc-twl4030.c -- TWL4030 Real Time Clock interface
+ *
+ * Copyright (C) 2007 MontaVista Software, Inc
+ * Author: Alexandre Rusev <source@mvista.com>
+ *
+ * Based on original TI driver twl4030-rtc.c
+ *   Copyright (C) 2006 Texas Instruments, Inc.
+ *
+ * Based on rtc-omap.c
+ *   Copyright (C) 2003 MontaVista Software, Inc.
+ *   Author: George G. Davis <gdavis@mvista.com> or <source@mvista.com>
+ *   Copyright (C) 2006 David Brownell
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/rtc.h>
+#include <linux/bcd.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+
+#include <linux/i2c/twl4030.h>
+
+
+/*
+ * RTC block register offsets (use TWL_MODULE_RTC)
+ */
+#define REG_SECONDS_REG                          0x00
+#define REG_MINUTES_REG                          0x01
+#define REG_HOURS_REG                            0x02
+#define REG_DAYS_REG                             0x03
+#define REG_MONTHS_REG                           0x04
+#define REG_YEARS_REG                            0x05
+#define REG_WEEKS_REG                            0x06
+
+#define REG_ALARM_SECONDS_REG                    0x07
+#define REG_ALARM_MINUTES_REG                    0x08
+#define REG_ALARM_HOURS_REG                      0x09
+#define REG_ALARM_DAYS_REG                       0x0A
+#define REG_ALARM_MONTHS_REG                     0x0B
+#define REG_ALARM_YEARS_REG                      0x0C
+
+#define REG_RTC_CTRL_REG                         0x0D
+#define REG_RTC_STATUS_REG                       0x0E
+#define REG_RTC_INTERRUPTS_REG                   0x0F
+
+#define REG_RTC_COMP_LSB_REG                     0x10
+#define REG_RTC_COMP_MSB_REG                     0x11
+
+/* RTC_CTRL_REG bitfields */
+#define BIT_RTC_CTRL_REG_STOP_RTC_M              0x01
+#define BIT_RTC_CTRL_REG_ROUND_30S_M             0x02
+#define BIT_RTC_CTRL_REG_AUTO_COMP_M             0x04
+#define BIT_RTC_CTRL_REG_MODE_12_24_M            0x08
+#define BIT_RTC_CTRL_REG_TEST_MODE_M             0x10
+#define BIT_RTC_CTRL_REG_SET_32_COUNTER_M        0x20
+#define BIT_RTC_CTRL_REG_GET_TIME_M              0x40
+
+/* RTC_STATUS_REG bitfields */
+#define BIT_RTC_STATUS_REG_RUN_M                 0x02
+#define BIT_RTC_STATUS_REG_1S_EVENT_M            0x04
+#define BIT_RTC_STATUS_REG_1M_EVENT_M            0x08
+#define BIT_RTC_STATUS_REG_1H_EVENT_M            0x10
+#define BIT_RTC_STATUS_REG_1D_EVENT_M            0x20
+#define BIT_RTC_STATUS_REG_ALARM_M               0x40
+#define BIT_RTC_STATUS_REG_POWER_UP_M            0x80
+
+/* RTC_INTERRUPTS_REG bitfields */
+#define BIT_RTC_INTERRUPTS_REG_EVERY_M           0x03
+#define BIT_RTC_INTERRUPTS_REG_IT_TIMER_M        0x04
+#define BIT_RTC_INTERRUPTS_REG_IT_ALARM_M        0x08
+
+
+/* REG_SECONDS_REG through REG_YEARS_REG is how many registers? */
+#define ALL_TIME_REGS		6
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Supports 1 byte read from TWL4030 RTC register.
+ */
+static int twl4030_rtc_read_u8(u8 *data, u8 reg)
+{
+	int ret;
+
+	ret = twl4030_i2c_read_u8(TWL4030_MODULE_RTC, data, reg);
+	if (ret < 0)
+		pr_err("twl4030_rtc: Could not read TWL4030"
+		       "register %X - error %d\n", reg, ret);
+	return ret;
+}
+
+/*
+ * Supports 1 byte write to TWL4030 RTC registers.
+ */
+static int twl4030_rtc_write_u8(u8 data, u8 reg)
+{
+	int ret;
+
+	ret = twl4030_i2c_write_u8(TWL4030_MODULE_RTC, data, reg);
+	if (ret < 0)
+		pr_err("twl4030_rtc: Could not write TWL4030"
+		       "register %X - error %d\n", reg, ret);
+	return ret;
+}
+
+/*
+ * Cache the value for timer/alarm interrupts register; this is
+ * only changed by callers holding rtc ops lock (or resume).
+ */
+static unsigned char rtc_irq_bits;
+
+/*
+ * Enable timer and/or alarm interrupts.
+ */
+static int set_rtc_irq_bit(unsigned char bit)
+{
+	unsigned char val;
+	int ret;
+
+	val = rtc_irq_bits | bit;
+	ret = twl4030_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
+	if (ret == 0)
+		rtc_irq_bits = val;
+
+	return ret;
+}
+
+/*
+ * Disable timer and/or alarm interrupts.
+ */
+static int mask_rtc_irq_bit(unsigned char bit)
+{
+	unsigned char val;
+	int ret;
+
+	val = rtc_irq_bits & ~bit;
+	ret = twl4030_rtc_write_u8(val, REG_RTC_INTERRUPTS_REG);
+	if (ret == 0)
+		rtc_irq_bits = val;
+
+	return ret;
+}
+
+static inline int twl4030_rtc_alarm_irq_set_state(int enabled)
+{
+	int ret;
+
+	if (enabled)
+		ret = set_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+	else
+		ret = mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+
+	return ret;
+}
+
+static inline int twl4030_rtc_irq_set_state(int enabled)
+{
+	int ret;
+
+	if (enabled)
+		ret = set_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
+	else
+		ret = mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
+
+	return ret;
+}
+
+/*
+ * Gets current TWL4030 RTC time and date parameters.
+ *
+ * The RTC's time/alarm representation is not what gmtime(3) requires
+ * Linux to use:
+ *
+ *  - Months are 1..12 vs Linux 0-11
+ *  - Years are 0..99 vs Linux 1900..N (we assume 21st century)
+ */
+static int twl4030_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	unsigned char rtc_data[ALL_TIME_REGS + 1];
+	int ret;
+	u8 save_control;
+
+	ret = twl4030_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
+	if (ret < 0)
+		return ret;
+
+	save_control |= BIT_RTC_CTRL_REG_GET_TIME_M;
+
+	ret = twl4030_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
+	if (ret < 0)
+		return ret;
+
+	ret = twl4030_i2c_read(TWL4030_MODULE_RTC, rtc_data,
+			       REG_SECONDS_REG, ALL_TIME_REGS);
+
+	if (ret < 0) {
+		dev_err(dev, "rtc_read_time error %d\n", ret);
+		return ret;
+	}
+
+	tm->tm_sec = bcd2bin(rtc_data[0]);
+	tm->tm_min = bcd2bin(rtc_data[1]);
+	tm->tm_hour = bcd2bin(rtc_data[2]);
+	tm->tm_mday = bcd2bin(rtc_data[3]);
+	tm->tm_mon = bcd2bin(rtc_data[4]) - 1;
+	tm->tm_year = bcd2bin(rtc_data[5]) + 100;
+
+	return ret;
+}
+
+static int twl4030_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	unsigned char save_control;
+	unsigned char rtc_data[ALL_TIME_REGS + 1];
+	int ret;
+
+	rtc_data[1] = bin2bcd(tm->tm_sec);
+	rtc_data[2] = bin2bcd(tm->tm_min);
+	rtc_data[3] = bin2bcd(tm->tm_hour);
+	rtc_data[4] = bin2bcd(tm->tm_mday);
+	rtc_data[5] = bin2bcd(tm->tm_mon + 1);
+	rtc_data[6] = bin2bcd(tm->tm_year - 100);
+
+	/* Stop RTC while updating the TC registers */
+	ret = twl4030_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
+	if (ret < 0)
+		goto out;
+
+	save_control &= ~BIT_RTC_CTRL_REG_STOP_RTC_M;
+	twl4030_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
+	if (ret < 0)
+		goto out;
+
+	/* update all the time registers in one shot */
+	ret = twl4030_i2c_write(TWL4030_MODULE_RTC, rtc_data,
+			REG_SECONDS_REG, ALL_TIME_REGS);
+	if (ret < 0) {
+		dev_err(dev, "rtc_set_time error %d\n", ret);
+		goto out;
+	}
+
+	/* Start back RTC */
+	save_control |= BIT_RTC_CTRL_REG_STOP_RTC_M;
+	ret = twl4030_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
+
+out:
+	return ret;
+}
+
+/*
+ * Gets current TWL4030 RTC alarm time.
+ */
+static int twl4030_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
+{
+	unsigned char rtc_data[ALL_TIME_REGS + 1];
+	int ret;
+
+	ret = twl4030_i2c_read(TWL4030_MODULE_RTC, rtc_data,
+			       REG_ALARM_SECONDS_REG, ALL_TIME_REGS);
+	if (ret < 0) {
+		dev_err(dev, "rtc_read_alarm error %d\n", ret);
+		return ret;
+	}
+
+	/* some of these fields may be wildcard/"match all" */
+	alm->time.tm_sec = bcd2bin(rtc_data[0]);
+	alm->time.tm_min = bcd2bin(rtc_data[1]);
+	alm->time.tm_hour = bcd2bin(rtc_data[2]);
+	alm->time.tm_mday = bcd2bin(rtc_data[3]);
+	alm->time.tm_mon = bcd2bin(rtc_data[4]) - 1;
+	alm->time.tm_year = bcd2bin(rtc_data[5]) + 100;
+
+	/* report cached alarm enable state */
+	if (rtc_irq_bits & BIT_RTC_INTERRUPTS_REG_IT_ALARM_M)
+		alm->enabled = 1;
+
+	return ret;
+}
+
+static int twl4030_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
+{
+	unsigned char alarm_data[ALL_TIME_REGS + 1];
+	int ret;
+
+	ret = twl4030_rtc_alarm_irq_set_state(0);
+	if (ret)
+		goto out;
+
+	alarm_data[1] = bin2bcd(alm->time.tm_sec);
+	alarm_data[2] = bin2bcd(alm->time.tm_min);
+	alarm_data[3] = bin2bcd(alm->time.tm_hour);
+	alarm_data[4] = bin2bcd(alm->time.tm_mday);
+	alarm_data[5] = bin2bcd(alm->time.tm_mon + 1);
+	alarm_data[6] = bin2bcd(alm->time.tm_year - 100);
+
+	/* update all the alarm registers in one shot */
+	ret = twl4030_i2c_write(TWL4030_MODULE_RTC, alarm_data,
+			REG_ALARM_SECONDS_REG, ALL_TIME_REGS);
+	if (ret) {
+		dev_err(dev, "rtc_set_alarm error %d\n", ret);
+		goto out;
+	}
+
+	if (alm->enabled)
+		ret = twl4030_rtc_alarm_irq_set_state(1);
+out:
+	return ret;
+}
+
+#ifdef	CONFIG_RTC_INTF_DEV
+
+static int twl4030_rtc_ioctl(struct device *dev, unsigned int cmd,
+			     unsigned long arg)
+{
+	switch (cmd) {
+	case RTC_AIE_OFF:
+		return twl4030_rtc_alarm_irq_set_state(0);
+	case RTC_AIE_ON:
+		return twl4030_rtc_alarm_irq_set_state(1);
+	case RTC_UIE_OFF:
+		return twl4030_rtc_irq_set_state(0);
+	case RTC_UIE_ON:
+		return twl4030_rtc_irq_set_state(1);
+
+	default:
+		return -ENOIOCTLCMD;
+	}
+}
+
+#else
+#define	omap_rtc_ioctl	NULL
+#endif
+
+static irqreturn_t twl4030_rtc_interrupt(int irq, void *rtc)
+{
+	unsigned long events = 0;
+	int ret = IRQ_NONE;
+	int res;
+	u8 rd_reg;
+
+#ifdef CONFIG_LOCKDEP
+	/* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
+	 * we don't want and can't tolerate.  Although it might be
+	 * friendlier not to borrow this thread context...
+	 */
+	local_irq_enable();
+#endif
+
+	res = twl4030_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
+	if (res)
+		goto out;
+	/*
+	 * Figure out source of interrupt: ALARM or TIMER in RTC_STATUS_REG.
+	 * only one (ALARM or RTC) interrupt source may be enabled
+	 * at time, we also could check our results
+	 * by reading RTS_INTERRUPTS_REGISTER[IT_TIMER,IT_ALARM]
+	 */
+	if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
+		events |= RTC_IRQF | RTC_AF;
+	else
+		events |= RTC_IRQF | RTC_UF;
+
+	res = twl4030_rtc_write_u8(rd_reg | BIT_RTC_STATUS_REG_ALARM_M,
+				   REG_RTC_STATUS_REG);
+	if (res)
+		goto out;
+
+	/* Clear on Read enabled. RTC_IT bit of TWL4030_INT_PWR_ISR1
+	 * needs 2 reads to clear the interrupt. One read is done in
+	 * do_twl4030_pwrirq(). Doing the second read, to clear
+	 * the bit.
+	 *
+	 * FIXME the reason PWR_ISR1 needs an extra read is that
+	 * RTC_IF retriggered until we cleared REG_ALARM_M above.
+	 * But re-reading like this is a bad hack; by doing so we
+	 * risk wrongly clearing status for some other IRQ (losing
+	 * the interrupt).  Be smarter about handling RTC_UF ...
+	 */
+	res = twl4030_i2c_read_u8(TWL4030_MODULE_INT,
+			&rd_reg, TWL4030_INT_PWR_ISR1);
+	if (res)
+		goto out;
+
+	/* Notify RTC core on event */
+	rtc_update_irq(rtc, 1, events);
+
+	ret = IRQ_HANDLED;
+out:
+	return ret;
+}
+
+static struct rtc_class_ops twl4030_rtc_ops = {
+	.ioctl		= twl4030_rtc_ioctl,
+	.read_time	= twl4030_rtc_read_time,
+	.set_time	= twl4030_rtc_set_time,
+	.read_alarm	= twl4030_rtc_read_alarm,
+	.set_alarm	= twl4030_rtc_set_alarm,
+};
+
+/*----------------------------------------------------------------------*/
+
+static int __devinit twl4030_rtc_probe(struct platform_device *pdev)
+{
+	struct rtc_device *rtc;
+	int ret = 0;
+	int irq = platform_get_irq(pdev, 0);
+	u8 rd_reg;
+
+	if (irq < 0)
+		return irq;
+
+	rtc = rtc_device_register(pdev->name,
+				  &pdev->dev, &twl4030_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc)) {
+		ret = -EINVAL;
+		dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
+			PTR_ERR(rtc));
+		goto out0;
+
+	}
+
+	platform_set_drvdata(pdev, rtc);
+
+	ret = twl4030_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
+
+	if (ret < 0)
+		goto out1;
+
+	if (rd_reg & BIT_RTC_STATUS_REG_POWER_UP_M)
+		dev_warn(&pdev->dev, "Power up reset detected.\n");
+
+	if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
+		dev_warn(&pdev->dev, "Pending Alarm interrupt detected.\n");
+
+	/* Clear RTC Power up reset and pending alarm interrupts */
+	ret = twl4030_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
+	if (ret < 0)
+		goto out1;
+
+	ret = request_irq(irq, twl4030_rtc_interrupt,
+				IRQF_TRIGGER_RISING,
+				rtc->dev.bus_id, rtc);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "IRQ is not free.\n");
+		goto out1;
+	}
+
+	/* Check RTC module status, Enable if it is off */
+	ret = twl4030_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
+	if (ret < 0)
+		goto out2;
+
+	if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
+		dev_info(&pdev->dev, "Enabling TWL4030-RTC.\n");
+		rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
+		ret = twl4030_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
+		if (ret < 0)
+			goto out2;
+	}
+
+	/* init cached IRQ enable bits */
+	ret = twl4030_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
+	if (ret < 0)
+		goto out2;
+
+	return ret;
+
+
+out2:
+	free_irq(irq, rtc);
+out1:
+	rtc_device_unregister(rtc);
+out0:
+	return ret;
+}
+
+/*
+ * Disable all TWL4030 RTC module interrupts.
+ * Sets status flag to free.
+ */
+static int __devexit twl4030_rtc_remove(struct platform_device *pdev)
+{
+	/* leave rtc running, but disable irqs */
+	struct rtc_device *rtc = platform_get_drvdata(pdev);
+	int irq = platform_get_irq(pdev, 0);
+
+	mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+	mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
+
+	free_irq(irq, rtc);
+
+	rtc_device_unregister(rtc);
+	platform_set_drvdata(pdev, NULL);
+	return 0;
+}
+
+static void twl4030_rtc_shutdown(struct platform_device *pdev)
+{
+	mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M |
+			 BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+}
+
+#ifdef CONFIG_PM
+
+static unsigned char irqstat;
+
+static int twl4030_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	irqstat = rtc_irq_bits;
+
+	/* REVISIT alarm may need to wake us from sleep */
+	mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M |
+			 BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
+	return 0;
+}
+
+static int twl4030_rtc_resume(struct platform_device *pdev)
+{
+	set_rtc_irq_bit(irqstat);
+	return 0;
+}
+
+#else
+#define twl4030_rtc_suspend NULL
+#define twl4030_rtc_resume  NULL
+#endif
+
+MODULE_ALIAS("platform:twl4030_rtc");
+
+static struct platform_driver twl4030rtc_driver = {
+	.probe		= twl4030_rtc_probe,
+	.remove		= __devexit_p(twl4030_rtc_remove),
+	.shutdown	= twl4030_rtc_shutdown,
+	.suspend	= twl4030_rtc_suspend,
+	.resume		= twl4030_rtc_resume,
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= "twl4030_rtc",
+	},
+};
+
+static int __init twl4030_rtc_init(void)
+{
+	return platform_driver_register(&twl4030rtc_driver);
+}
+module_init(twl4030_rtc_init);
+
+static void __exit twl4030_rtc_exit(void)
+{
+	platform_driver_unregister(&twl4030rtc_driver);
+}
+module_exit(twl4030_rtc_exit);
+
+MODULE_AUTHOR("Texas Instruments, MontaVista Software");
+MODULE_LICENSE("GPL");
-- 
GitLab


From e9d359471dfed51a1bdeaa484ee7dac0679d0a20 Mon Sep 17 00:00:00 2001
From: David Brownell <dbrownell@users.sourceforge.net>
Date: Mon, 20 Oct 2008 23:51:46 +0200
Subject: [PATCH 1763/2224] mfd: twl4030-gpio driver

This adds basic support for the GPIOs in the twl4030 power management
chip.  That includes two open drain LED drivers, and the use of GPIO-0
(and GPIO-1) as MMC/SD card detect switches which can control whether
the VMMC1 (and VMMC2) regulators are active.

This version of the code has a debounce call that will probably be
replaced before long, when a more generic interface exists.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/gpio/Kconfig        |   7 +
 drivers/gpio/Makefile       |   1 +
 drivers/gpio/twl4030-gpio.c | 521 ++++++++++++++++++++++++++++++++++++
 3 files changed, 529 insertions(+)
 create mode 100644 drivers/gpio/twl4030-gpio.c

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index dbd42d6c93a..7f2ee27fe76 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -127,6 +127,13 @@ config GPIO_PCF857X
 	  This driver provides an in-kernel interface to those GPIOs using
 	  platform-neutral GPIO calls.
 
+config GPIO_TWL4030
+	tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
+	depends on TWL4030_CORE
+	help
+	  Say yes here to access the GPIO signals of various multi-function
+	  power management chips from Texas Instruments.
+
 comment "PCI GPIO expanders:"
 
 config GPIO_BT8XX
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 01b4bbde195..6aafdeb9ad0 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -9,4 +9,5 @@ obj-$(CONFIG_GPIO_MAX732X)	+= max732x.o
 obj-$(CONFIG_GPIO_MCP23S08)	+= mcp23s08.o
 obj-$(CONFIG_GPIO_PCA953X)	+= pca953x.o
 obj-$(CONFIG_GPIO_PCF857X)	+= pcf857x.o
+obj-$(CONFIG_GPIO_TWL4030)	+= twl4030-gpio.o
 obj-$(CONFIG_GPIO_BT8XX)	+= bt8xxgpio.o
diff --git a/drivers/gpio/twl4030-gpio.c b/drivers/gpio/twl4030-gpio.c
new file mode 100644
index 00000000000..37d3eec8730
--- /dev/null
+++ b/drivers/gpio/twl4030-gpio.c
@@ -0,0 +1,521 @@
+/*
+ * twl4030_gpio.c -- access to GPIOs on TWL4030/TPS659x0 chips
+ *
+ * Copyright (C) 2006-2007 Texas Instruments, Inc.
+ * Copyright (C) 2006 MontaVista Software, Inc.
+ *
+ * Code re-arranged and cleaned up by:
+ *	Syed Mohammed Khasim <x0khasim@ti.com>
+ *
+ * Initial Code:
+ *	Andy Lowe / Nishanth Menon
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kthread.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <linux/i2c/twl4030.h>
+
+
+/*
+ * The GPIO "subchip" supports 18 GPIOs which can be configured as
+ * inputs or outputs, with pullups or pulldowns on each pin.  Each
+ * GPIO can trigger interrupts on either or both edges.
+ *
+ * GPIO interrupts can be fed to either of two IRQ lines; this is
+ * intended to support multiple hosts.
+ *
+ * There are also two LED pins used sometimes as output-only GPIOs.
+ */
+
+
+static struct gpio_chip twl_gpiochip;
+static int twl4030_gpio_irq_base;
+
+/* genirq interfaces are not available to modules */
+#ifdef MODULE
+#define is_module()	true
+#else
+#define is_module()	false
+#endif
+
+/* GPIO_CTRL Fields */
+#define MASK_GPIO_CTRL_GPIO0CD1		BIT(0)
+#define MASK_GPIO_CTRL_GPIO1CD2		BIT(1)
+#define MASK_GPIO_CTRL_GPIO_ON		BIT(2)
+
+/* Mask for GPIO registers when aggregated into a 32-bit integer */
+#define GPIO_32_MASK			0x0003ffff
+
+/* Data structures */
+static DEFINE_MUTEX(gpio_lock);
+
+/* store usage of each GPIO. - each bit represents one GPIO */
+static unsigned int gpio_usage_count;
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * To configure TWL4030 GPIO module registers
+ */
+static inline int gpio_twl4030_write(u8 address, u8 data)
+{
+	return twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, data, address);
+}
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * LED register offsets (use TWL4030_MODULE_{LED,PWMA,PWMB}))
+ * PWMs A and B are dedicated to LEDs A and B, respectively.
+ */
+
+#define TWL4030_LED_LEDEN	0x0
+
+/* LEDEN bits */
+#define LEDEN_LEDAON		BIT(0)
+#define LEDEN_LEDBON		BIT(1)
+#define LEDEN_LEDAEXT		BIT(2)
+#define LEDEN_LEDBEXT		BIT(3)
+#define LEDEN_LEDAPWM		BIT(4)
+#define LEDEN_LEDBPWM		BIT(5)
+#define LEDEN_PWM_LENGTHA	BIT(6)
+#define LEDEN_PWM_LENGTHB	BIT(7)
+
+#define TWL4030_PWMx_PWMxON	0x0
+#define TWL4030_PWMx_PWMxOFF	0x1
+
+#define PWMxON_LENGTH		BIT(7)
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * To read a TWL4030 GPIO module register
+ */
+static inline int gpio_twl4030_read(u8 address)
+{
+	u8 data;
+	int ret = 0;
+
+	ret = twl4030_i2c_read_u8(TWL4030_MODULE_GPIO, &data, address);
+	return (ret < 0) ? ret : data;
+}
+
+/*----------------------------------------------------------------------*/
+
+static u8 cached_leden;		/* protected by gpio_lock */
+
+/* The LED lines are open drain outputs ... a FET pulls to GND, so an
+ * external pullup is needed.  We could also expose the integrated PWM
+ * as a LED brightness control; we initialize it as "always on".
+ */
+static void twl4030_led_set_value(int led, int value)
+{
+	u8 mask = LEDEN_LEDAON | LEDEN_LEDAPWM;
+	int status;
+
+	if (led)
+		mask <<= 1;
+
+	mutex_lock(&gpio_lock);
+	if (value)
+		cached_leden &= ~mask;
+	else
+		cached_leden |= mask;
+	status = twl4030_i2c_write_u8(TWL4030_MODULE_LED, cached_leden,
+			TWL4030_LED_LEDEN);
+	mutex_unlock(&gpio_lock);
+}
+
+static int twl4030_set_gpio_direction(int gpio, int is_input)
+{
+	u8 d_bnk = gpio >> 3;
+	u8 d_msk = BIT(gpio & 0x7);
+	u8 reg = 0;
+	u8 base = REG_GPIODATADIR1 + d_bnk;
+	int ret = 0;
+
+	mutex_lock(&gpio_lock);
+	ret = gpio_twl4030_read(base);
+	if (ret >= 0) {
+		if (is_input)
+			reg = ret & ~d_msk;
+		else
+			reg = ret | d_msk;
+
+		ret = gpio_twl4030_write(base, reg);
+	}
+	mutex_unlock(&gpio_lock);
+	return ret;
+}
+
+static int twl4030_set_gpio_dataout(int gpio, int enable)
+{
+	u8 d_bnk = gpio >> 3;
+	u8 d_msk = BIT(gpio & 0x7);
+	u8 base = 0;
+
+	if (enable)
+		base = REG_SETGPIODATAOUT1 + d_bnk;
+	else
+		base = REG_CLEARGPIODATAOUT1 + d_bnk;
+
+	return gpio_twl4030_write(base, d_msk);
+}
+
+static int twl4030_get_gpio_datain(int gpio)
+{
+	u8 d_bnk = gpio >> 3;
+	u8 d_off = gpio & 0x7;
+	u8 base = 0;
+	int ret = 0;
+
+	if (unlikely((gpio >= TWL4030_GPIO_MAX)
+		|| !(gpio_usage_count & BIT(gpio))))
+		return -EPERM;
+
+	base = REG_GPIODATAIN1 + d_bnk;
+	ret = gpio_twl4030_read(base);
+	if (ret > 0)
+		ret = (ret >> d_off) & 0x1;
+
+	return ret;
+}
+
+/*
+ * Configure debounce timing value for a GPIO pin on TWL4030
+ */
+int twl4030_set_gpio_debounce(int gpio, int enable)
+{
+	u8 d_bnk = gpio >> 3;
+	u8 d_msk = BIT(gpio & 0x7);
+	u8 reg = 0;
+	u8 base = 0;
+	int ret = 0;
+
+	if (unlikely((gpio >= TWL4030_GPIO_MAX)
+		|| !(gpio_usage_count & BIT(gpio))))
+		return -EPERM;
+
+	base = REG_GPIO_DEBEN1 + d_bnk;
+	mutex_lock(&gpio_lock);
+	ret = gpio_twl4030_read(base);
+	if (ret >= 0) {
+		if (enable)
+			reg = ret | d_msk;
+		else
+			reg = ret & ~d_msk;
+
+		ret = gpio_twl4030_write(base, reg);
+	}
+	mutex_unlock(&gpio_lock);
+	return ret;
+}
+EXPORT_SYMBOL(twl4030_set_gpio_debounce);
+
+/*----------------------------------------------------------------------*/
+
+static int twl_request(struct gpio_chip *chip, unsigned offset)
+{
+	int status = 0;
+
+	mutex_lock(&gpio_lock);
+
+	/* Support the two LED outputs as output-only GPIOs. */
+	if (offset >= TWL4030_GPIO_MAX) {
+		u8	ledclr_mask = LEDEN_LEDAON | LEDEN_LEDAEXT
+				| LEDEN_LEDAPWM | LEDEN_PWM_LENGTHA;
+		u8	module = TWL4030_MODULE_PWMA;
+
+		offset -= TWL4030_GPIO_MAX;
+		if (offset) {
+			ledclr_mask <<= 1;
+			module = TWL4030_MODULE_PWMB;
+		}
+
+		/* initialize PWM to always-drive */
+		status = twl4030_i2c_write_u8(module, 0x7f,
+				TWL4030_PWMx_PWMxOFF);
+		if (status < 0)
+			goto done;
+		status = twl4030_i2c_write_u8(module, 0x7f,
+				TWL4030_PWMx_PWMxON);
+		if (status < 0)
+			goto done;
+
+		/* init LED to not-driven (high) */
+		module = TWL4030_MODULE_LED;
+		status = twl4030_i2c_read_u8(module, &cached_leden,
+				TWL4030_LED_LEDEN);
+		if (status < 0)
+			goto done;
+		cached_leden &= ~ledclr_mask;
+		status = twl4030_i2c_write_u8(module, cached_leden,
+				TWL4030_LED_LEDEN);
+		if (status < 0)
+			goto done;
+
+		status = 0;
+		goto done;
+	}
+
+	/* on first use, turn GPIO module "on" */
+	if (!gpio_usage_count) {
+		struct twl4030_gpio_platform_data *pdata;
+		u8 value = MASK_GPIO_CTRL_GPIO_ON;
+
+		/* optionally have the first two GPIOs switch vMMC1
+		 * and vMMC2 power supplies based on card presence.
+		 */
+		pdata = chip->dev->platform_data;
+		value |= pdata->mmc_cd & 0x03;
+
+		status = gpio_twl4030_write(REG_GPIO_CTRL, value);
+	}
+
+	if (!status)
+		gpio_usage_count |= (0x1 << offset);
+
+done:
+	mutex_unlock(&gpio_lock);
+	return status;
+}
+
+static void twl_free(struct gpio_chip *chip, unsigned offset)
+{
+	if (offset >= TWL4030_GPIO_MAX) {
+		twl4030_led_set_value(offset - TWL4030_GPIO_MAX, 1);
+		return;
+	}
+
+	mutex_lock(&gpio_lock);
+
+	gpio_usage_count &= ~BIT(offset);
+
+	/* on last use, switch off GPIO module */
+	if (!gpio_usage_count)
+		gpio_twl4030_write(REG_GPIO_CTRL, 0x0);
+
+	mutex_unlock(&gpio_lock);
+}
+
+static int twl_direction_in(struct gpio_chip *chip, unsigned offset)
+{
+	return (offset < TWL4030_GPIO_MAX)
+		? twl4030_set_gpio_direction(offset, 1)
+		: -EINVAL;
+}
+
+static int twl_get(struct gpio_chip *chip, unsigned offset)
+{
+	int status = 0;
+
+	if (offset < TWL4030_GPIO_MAX)
+		status = twl4030_get_gpio_datain(offset);
+	else if (offset == TWL4030_GPIO_MAX)
+		status = cached_leden & LEDEN_LEDAON;
+	else
+		status = cached_leden & LEDEN_LEDBON;
+	return (status < 0) ? 0 : status;
+}
+
+static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
+{
+	if (offset < TWL4030_GPIO_MAX) {
+		twl4030_set_gpio_dataout(offset, value);
+		return twl4030_set_gpio_direction(offset, 0);
+	} else {
+		twl4030_led_set_value(offset - TWL4030_GPIO_MAX, value);
+		return 0;
+	}
+}
+
+static void twl_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+	if (offset < TWL4030_GPIO_MAX)
+		twl4030_set_gpio_dataout(offset, value);
+	else
+		twl4030_led_set_value(offset - TWL4030_GPIO_MAX, value);
+}
+
+static int twl_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+	return (twl4030_gpio_irq_base && (offset < TWL4030_GPIO_MAX))
+		? (twl4030_gpio_irq_base + offset)
+		: -EINVAL;
+}
+
+static struct gpio_chip twl_gpiochip = {
+	.label			= "twl4030",
+	.owner			= THIS_MODULE,
+	.request		= twl_request,
+	.free			= twl_free,
+	.direction_input	= twl_direction_in,
+	.get			= twl_get,
+	.direction_output	= twl_direction_out,
+	.set			= twl_set,
+	.to_irq			= twl_to_irq,
+	.can_sleep		= 1,
+};
+
+/*----------------------------------------------------------------------*/
+
+static int __devinit gpio_twl4030_pulls(u32 ups, u32 downs)
+{
+	u8		message[6];
+	unsigned	i, gpio_bit;
+
+	/* For most pins, a pulldown was enabled by default.
+	 * We should have data that's specific to this board.
+	 */
+	for (gpio_bit = 1, i = 1; i < 6; i++) {
+		u8		bit_mask;
+		unsigned	j;
+
+		for (bit_mask = 0, j = 0; j < 8; j += 2, gpio_bit <<= 1) {
+			if (ups & gpio_bit)
+				bit_mask |= 1 << (j + 1);
+			else if (downs & gpio_bit)
+				bit_mask |= 1 << (j + 0);
+		}
+		message[i] = bit_mask;
+	}
+
+	return twl4030_i2c_write(TWL4030_MODULE_GPIO, message,
+				REG_GPIOPUPDCTR1, 5);
+}
+
+static int gpio_twl4030_remove(struct platform_device *pdev);
+
+static int __devinit gpio_twl4030_probe(struct platform_device *pdev)
+{
+	struct twl4030_gpio_platform_data *pdata = pdev->dev.platform_data;
+	int ret;
+
+	/* maybe setup IRQs */
+	if (pdata->irq_base) {
+		if (is_module()) {
+			dev_err(&pdev->dev,
+				"can't dispatch IRQs from modules\n");
+			goto no_irqs;
+		}
+		ret = twl4030_sih_setup(TWL4030_MODULE_GPIO);
+		if (ret < 0)
+			return ret;
+		WARN_ON(ret != pdata->irq_base);
+		twl4030_gpio_irq_base = ret;
+	}
+
+no_irqs:
+	/*
+	 * NOTE:  boards may waste power if they don't set pullups
+	 * and pulldowns correctly ... default for non-ULPI pins is
+	 * pulldown, and some other pins may have external pullups
+	 * or pulldowns.  Careful!
+	 */
+	ret = gpio_twl4030_pulls(pdata->pullups, pdata->pulldowns);
+	if (ret)
+		dev_dbg(&pdev->dev, "pullups %.05x %.05x --> %d\n",
+				pdata->pullups, pdata->pulldowns,
+				ret);
+
+	twl_gpiochip.base = pdata->gpio_base;
+	twl_gpiochip.ngpio = TWL4030_GPIO_MAX;
+	twl_gpiochip.dev = &pdev->dev;
+
+	/* NOTE: we assume VIBRA_CTL.VIBRA_EN, in MODULE_AUDIO_VOICE,
+	 * is (still) clear if use_leds is set.
+	 */
+	if (pdata->use_leds)
+		twl_gpiochip.ngpio += 2;
+
+	ret = gpiochip_add(&twl_gpiochip);
+	if (ret < 0) {
+		dev_err(&pdev->dev,
+				"could not register gpiochip, %d\n",
+				ret);
+		twl_gpiochip.ngpio = 0;
+		gpio_twl4030_remove(pdev);
+	} else if (pdata->setup) {
+		int status;
+
+		status = pdata->setup(&pdev->dev,
+				pdata->gpio_base, TWL4030_GPIO_MAX);
+		if (status)
+			dev_dbg(&pdev->dev, "setup --> %d\n", status);
+	}
+
+	return ret;
+}
+
+static int __devexit gpio_twl4030_remove(struct platform_device *pdev)
+{
+	struct twl4030_gpio_platform_data *pdata = pdev->dev.platform_data;
+	int status;
+
+	if (pdata->teardown) {
+		status = pdata->teardown(&pdev->dev,
+				pdata->gpio_base, TWL4030_GPIO_MAX);
+		if (status) {
+			dev_dbg(&pdev->dev, "teardown --> %d\n", status);
+			return status;
+		}
+	}
+
+	status = gpiochip_remove(&twl_gpiochip);
+	if (status < 0)
+		return status;
+
+	if (is_module())
+		return 0;
+
+	/* REVISIT no support yet for deregistering all the IRQs */
+	WARN_ON(1);
+	return -EIO;
+}
+
+/* Note:  this hardware lives inside an I2C-based multi-function device. */
+MODULE_ALIAS("platform:twl4030_gpio");
+
+static struct platform_driver gpio_twl4030_driver = {
+	.driver.name	= "twl4030_gpio",
+	.driver.owner	= THIS_MODULE,
+	.probe		= gpio_twl4030_probe,
+	.remove		= __devexit_p(gpio_twl4030_remove),
+};
+
+static int __init gpio_twl4030_init(void)
+{
+	return platform_driver_register(&gpio_twl4030_driver);
+}
+subsys_initcall(gpio_twl4030_init);
+
+static void __exit gpio_twl4030_exit(void)
+{
+	platform_driver_unregister(&gpio_twl4030_driver);
+}
+module_exit(gpio_twl4030_exit);
+
+MODULE_AUTHOR("Texas Instruments, Inc.");
+MODULE_DESCRIPTION("GPIO interface for TWL4030");
+MODULE_LICENSE("GPL");
-- 
GitLab


From 799f9e3267b0938c8059ed78d7e39e00b6aa6bd2 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 20 Oct 2008 23:55:30 +0200
Subject: [PATCH 1764/2224] mfd: don't export wm3850 static functions

October 10th linux-next build (powerpc allyesconfig) failed like this:

drivers/mfd/wm8350-core.c:1131: error: __ksymtab_wm8350_create_cache causes a section type conflict

Caused by commit 89b4012befb1abca5e86d232bc0e2a797b0d9825 ("mfd: Core
support for the WM8350 AudioPlus PMIC"). wm8350_create_cache is not used
elsewhere, so remove the EXPORT_SYMBOL.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/wm8350-core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index bf87f675e7f..fbe22fb7847 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1128,7 +1128,6 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int mode)
 out:
 	return ret;
 }
-EXPORT_SYMBOL_GPL(wm8350_create_cache);
 
 /*
  * Register a client device.  This is non-fatal since there is no need to
-- 
GitLab


From e76f7558d89868bc295fe1220c2e5a0a82f698f6 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 20 Oct 2008 23:58:50 +0200
Subject: [PATCH 1765/2224] mfd: Don't store volatile bits in WM8350 register
 cache

This makes the contents of the cache clearer and fixes incorrect
initialisation of the cache for partially volatile registers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/wm8350-core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index fbe22fb7847..0d47fb9e4b3 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -183,6 +183,9 @@ static int wm8350_write(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *src)
 			(wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable)
 			| src[i - reg];
 
+		/* Don't store volatile bits */
+		wm8350->reg_cache[i] &= ~wm8350_reg_io_map[i].vol;
+
 		src[i - reg] = cpu_to_be16(src[i - reg]);
 	}
 
@@ -1120,6 +1123,7 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int mode)
 			}
 			value = be16_to_cpu(value);
 			value &= wm8350_reg_io_map[i].readable;
+			value &= ~wm8350_reg_io_map[i].vol;
 			wm8350->reg_cache[i] = value;
 		} else
 			wm8350->reg_cache[i] = reg_map[i];
-- 
GitLab


From 7ab18995e11089ea33c99fd586e8bad4932369e4 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sun, 28 Sep 2008 16:14:52 -0700
Subject: [PATCH 1766/2224] mfd: use pci_ioremap_bar() in sm501

Use the newly introduced pci_ioremap_bar() function in drivers/mfd.
pci_ioremap_bar() just takes a pci device and a bar number, with the goal
of making it really hard to get wrong, while also having a central place
to stick sanity checks.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/sm501.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 220e4371266..4d9aaf9501d 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1625,8 +1625,7 @@ static int sm501_pci_probe(struct pci_dev *dev,
 		goto err3;
 	}
 
-	sm->regs = ioremap(pci_resource_start(dev, 1),
-			   pci_resource_len(dev, 1));
+	sm->regs = pci_ioremap_bar(dev, 1);
 
 	if (sm->regs == NULL) {
 		dev_err(&dev->dev, "cannot remap registers\n");
-- 
GitLab


From 75e3d8db531b462b875c1adb13eeb6b0be7374c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Tue, 21 Oct 2008 16:28:36 -0700
Subject: [PATCH 1767/2224] tcp: should use number of sack blocks instead of -1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

While looking for the recent "sack issue" I also read all eff_sacks
usage that was played around by some relevant commit. I found
out that there's another thing that is asking for a fix (unrelated
to the "sack issue" though).

This feature has probably very little significance in practice.
Opposite direction timeout with bidirectional tcp comes to me as
the most likely scenario though there might be other cases as
well related to non-data segments we send (e.g., response to the
opposite direction segment). Also some ACK losses or option space
wasted for other purposes is necessary to prevent the earlier
SACK feedback getting to the sender.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_output.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 990a5849323..de54f02f10a 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -432,7 +432,7 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
 
 		if (tp->rx_opt.dsack) {
 			tp->rx_opt.dsack = 0;
-			tp->rx_opt.eff_sacks--;
+			tp->rx_opt.eff_sacks = tp->rx_opt.num_sacks;
 		}
 	}
 }
-- 
GitLab


From 7cf5244ce4a0ab3f043f2e9593e07516b0df5715 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Wed, 22 Oct 2008 01:39:55 +0200
Subject: [PATCH 1768/2224] mfd: check for platform_get_irq() return value in
 sm501

sm501_devdata->irq is unsigned, while platform_get_irq() returns a
signed int.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
---
 drivers/mfd/sm501.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 4d9aaf9501d..170f9d47c2f 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1374,31 +1374,31 @@ static int sm501_init_dev(struct sm501_devdata *sm)
 static int sm501_plat_probe(struct platform_device *dev)
 {
 	struct sm501_devdata *sm;
-	int err;
+	int ret;
 
 	sm = kzalloc(sizeof(struct sm501_devdata), GFP_KERNEL);
 	if (sm == NULL) {
 		dev_err(&dev->dev, "no memory for device data\n");
-		err = -ENOMEM;
+		ret = -ENOMEM;
 		goto err1;
 	}
 
 	sm->dev = &dev->dev;
 	sm->pdev_id = dev->id;
-	sm->irq = platform_get_irq(dev, 0);
-	sm->io_res = platform_get_resource(dev, IORESOURCE_MEM, 1);
-	sm->mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	sm->platdata = dev->dev.platform_data;
 
-	if (sm->irq < 0) {
+	ret = platform_get_irq(dev, 0);
+	if (ret < 0) {
 		dev_err(&dev->dev, "failed to get irq resource\n");
-		err = sm->irq;
 		goto err_res;
 	}
+	sm->irq = ret;
 
+	sm->io_res = platform_get_resource(dev, IORESOURCE_MEM, 1);
+	sm->mem_res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	if (sm->io_res == NULL || sm->mem_res == NULL) {
 		dev_err(&dev->dev, "failed to get IO resource\n");
-		err = -ENOENT;
+		ret = -ENOENT;
 		goto err_res;
 	}
 
@@ -1407,7 +1407,7 @@ static int sm501_plat_probe(struct platform_device *dev)
 
 	if (sm->regs_claim == NULL) {
 		dev_err(&dev->dev, "cannot claim registers\n");
-		err= -EBUSY;
+		ret = -EBUSY;
 		goto err_res;
 	}
 
@@ -1418,7 +1418,7 @@ static int sm501_plat_probe(struct platform_device *dev)
 
 	if (sm->regs == NULL) {
 		dev_err(&dev->dev, "cannot remap registers\n");
-		err = -EIO;
+		ret = -EIO;
 		goto err_claim;
 	}
 
@@ -1430,7 +1430,7 @@ static int sm501_plat_probe(struct platform_device *dev)
  err_res:
 	kfree(sm);
  err1:
-	return err;
+	return ret;
 
 }
 
-- 
GitLab


From fc362e2e0efd8b652ebfb409a4e43e6189c04f6f Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Mon, 13 Oct 2008 23:12:48 +0000
Subject: [PATCH 1769/2224] hvc_console: Add a hangup notifier for backends

I have added a hangup notifier that can be used by hvc console
backends to handle a tty hangup. The default irq hangup notifier
calls the notifier_del_irq() for compatibility.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/char/hvc_console.c    | 4 ++--
 drivers/char/hvc_console.h    | 4 +++-
 drivers/char/hvc_irq.c        | 5 +++++
 drivers/char/hvc_iseries.c    | 1 +
 drivers/char/hvc_vio.c        | 1 +
 drivers/char/hvc_xen.c        | 1 +
 drivers/char/virtio_console.c | 1 +
 7 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index bf70450a49c..5c9750ed0bc 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -418,8 +418,8 @@ static void hvc_hangup(struct tty_struct *tty)
 
 	spin_unlock_irqrestore(&hp->lock, flags);
 
-	if (hp->ops->notifier_del)
-			hp->ops->notifier_del(hp, hp->data);
+	if (hp->ops->notifier_hangup)
+			hp->ops->notifier_hangup(hp, hp->data);
 
 	while(temp_open_count) {
 		--temp_open_count;
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index 9790201718a..ec0e9bb0e5e 100644
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -65,9 +65,10 @@ struct hv_ops {
 	int (*get_chars)(uint32_t vtermno, char *buf, int count);
 	int (*put_chars)(uint32_t vtermno, const char *buf, int count);
 
-	/* Callbacks for notification. Called in open and close */
+	/* Callbacks for notification. Called in open, close and hangup */
 	int (*notifier_add)(struct hvc_struct *hp, int irq);
 	void (*notifier_del)(struct hvc_struct *hp, int irq);
+	void (*notifier_hangup)(struct hvc_struct *hp, int irq);
 };
 
 /* Register a vterm and a slot index for use as a console (console_init) */
@@ -86,6 +87,7 @@ void hvc_kick(void);
 /* default notifier for irq based notification */
 extern int notifier_add_irq(struct hvc_struct *hp, int data);
 extern void notifier_del_irq(struct hvc_struct *hp, int data);
+extern void notifier_hangup_irq(struct hvc_struct *hp, int data);
 
 
 #if defined(CONFIG_XMON) && defined(CONFIG_SMP)
diff --git a/drivers/char/hvc_irq.c b/drivers/char/hvc_irq.c
index 73a59cdb894..d09e5688d44 100644
--- a/drivers/char/hvc_irq.c
+++ b/drivers/char/hvc_irq.c
@@ -42,3 +42,8 @@ void notifier_del_irq(struct hvc_struct *hp, int irq)
 	free_irq(irq, hp);
 	hp->irq_requested = 0;
 }
+
+void notifier_hangup_irq(struct hvc_struct *hp, int irq)
+{
+	notifier_del_irq(hp, irq);
+}
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index b71c610fe5a..b74a2f8ab90 100644
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -202,6 +202,7 @@ static struct hv_ops hvc_get_put_ops = {
 	.put_chars = put_chars,
 	.notifier_add = notifier_add_irq,
 	.notifier_del = notifier_del_irq,
+	.notifier_hangup = notifier_hangup_irq,
 };
 
 static int __devinit hvc_vio_probe(struct vio_dev *vdev,
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c
index 93f3840c168..019e0b58593 100644
--- a/drivers/char/hvc_vio.c
+++ b/drivers/char/hvc_vio.c
@@ -82,6 +82,7 @@ static struct hv_ops hvc_get_put_ops = {
 	.put_chars = hvc_put_chars,
 	.notifier_add = notifier_add_irq,
 	.notifier_del = notifier_del_irq,
+	.notifier_hangup = notifier_hangup_irq,
 };
 
 static int __devinit hvc_vio_probe(struct vio_dev *vdev,
diff --git a/drivers/char/hvc_xen.c b/drivers/char/hvc_xen.c
index 538ceea5e7d..eba999f8598 100644
--- a/drivers/char/hvc_xen.c
+++ b/drivers/char/hvc_xen.c
@@ -102,6 +102,7 @@ static struct hv_ops hvc_ops = {
 	.put_chars = write_console,
 	.notifier_add = notifier_add_irq,
 	.notifier_del = notifier_del_irq,
+	.notifier_hangup = notifier_hangup_irq,
 };
 
 static int __init xen_init(void)
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index d0f4eb6fdb7..3fb0d2c88ba 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -198,6 +198,7 @@ static int __devinit virtcons_probe(struct virtio_device *dev)
 	virtio_cons.put_chars = put_chars;
 	virtio_cons.notifier_add = notifier_add_vio;
 	virtio_cons.notifier_del = notifier_del_vio;
+	virtio_cons.notifier_hangup = notifier_del_vio;
 
 	/* The first argument of hvc_alloc() is the virtual console number, so
 	 * we use zero.  The second argument is the parameter for the
-- 
GitLab


From 56ce9e2b2463b3b257098aa966586701d9967f1e Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Mon, 13 Oct 2008 23:12:49 +0000
Subject: [PATCH 1770/2224] hvc_console: Add tty driver flag
 TTY_DRIVER_RESET_TERMIOS

After a tty hangup() or close() operation, processes might not reset the
termio settings to a sane state. In order to reset the termios to its
default settings the tty driver flag TTY_DRIVER_RESET_TERMIOS has been added.

TTY driver flag description from include/linux/tty_driver.h:
	TTY_DRIVER_RESET_TERMIOS --- requests the tty layer to reset the
	  termios setting when the last process has closed the device.
	  Used for PTY's, in particular.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/char/hvc_console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 5c9750ed0bc..c9d16665c96 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -796,7 +796,7 @@ static int hvc_init(void)
 	drv->minor_start = HVC_MINOR;
 	drv->type = TTY_DRIVER_TYPE_SYSTEM;
 	drv->init_termios = tty_std_termios;
-	drv->flags = TTY_DRIVER_REAL_RAW;
+	drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS;
 	tty_set_operations(drv, &hvc_ops);
 
 	/* Always start the kthread because there can be hotplug vty adapters
-- 
GitLab


From 3feebbb5492e9e463467cefb633e23a3dfcec132 Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Mon, 13 Oct 2008 23:12:50 +0000
Subject: [PATCH 1771/2224] hvc_console: Fix loop if put_char() returns 0

If put_char() routine of a hvc console backend returns 0, then the
hvc console starts looping in the following scenarios:

1. hvc_console_print()
	If put_char() returns 0 then the while loop may loop forever.
	I have added the missing check for 0 to throw away console messages.

2. khvcd may loop:
	The thread calls hvc_poll() --> hvc_push()... if there are still
	buffered data then the HVC_POLL_WRITE bit is set and causes the
	khvcd thread to loop (if yield() returns immediately).

	However, instead of looping, the khvcd thread could sleep for
	MIN_TIMEOUT (doing the same as for get_chars()).
	The MIN_TIMEOUT is set if hvc_push() was not able to write
	data to the backend. If data has been written, the timeout is
	set to 0 to immediately re-schedule hvc_poll().

Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> (virtio_console)
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/char/hvc_console.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index c9d16665c96..3650c904401 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -161,7 +161,7 @@ static void hvc_console_print(struct console *co, const char *b,
 			}
 		} else {
 			r = cons_ops[index]->put_chars(vtermnos[index], c, i);
-			if (r < 0) {
+			if (r <= 0) {
 				/* throw away chars on error */
 				i = 0;
 			} else if (r > 0) {
@@ -431,7 +431,7 @@ static void hvc_hangup(struct tty_struct *tty)
  * Push buffered characters whether they were just recently buffered or waiting
  * on a blocked hypervisor.  Call this function with hp->lock held.
  */
-static void hvc_push(struct hvc_struct *hp)
+static int hvc_push(struct hvc_struct *hp)
 {
 	int n;
 
@@ -439,7 +439,7 @@ static void hvc_push(struct hvc_struct *hp)
 	if (n <= 0) {
 		if (n == 0) {
 			hp->do_wakeup = 1;
-			return;
+			return 0;
 		}
 		/* throw away output on error; this happens when
 		   there is no session connected to the vterm. */
@@ -450,6 +450,8 @@ static void hvc_push(struct hvc_struct *hp)
 		memmove(hp->outbuf, hp->outbuf + n, hp->n_outbuf);
 	else
 		hp->do_wakeup = 1;
+
+	return n;
 }
 
 static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count)
@@ -538,16 +540,20 @@ int hvc_poll(struct hvc_struct *hp)
 	char buf[N_INBUF] __ALIGNED__;
 	unsigned long flags;
 	int read_total = 0;
+	int written_total = 0;
 
 	spin_lock_irqsave(&hp->lock, flags);
 
 	/* Push pending writes */
 	if (hp->n_outbuf > 0)
-		hvc_push(hp);
+		written_total = hvc_push(hp);
 
 	/* Reschedule us if still some write pending */
-	if (hp->n_outbuf > 0)
+	if (hp->n_outbuf > 0) {
 		poll_mask |= HVC_POLL_WRITE;
+		/* If hvc_push() was not able to write, sleep a few msecs */
+		timeout = (written_total) ? 0 : MIN_TIMEOUT;
+	}
 
 	/* No tty attached, just skip */
 	tty = hp->tty;
@@ -659,10 +665,6 @@ static int khvcd(void *unused)
 			poll_mask |= HVC_POLL_READ;
 		if (hvc_kicked)
 			continue;
-		if (poll_mask & HVC_POLL_WRITE) {
-			yield();
-			continue;
-		}
 		set_current_state(TASK_INTERRUPTIBLE);
 		if (!hvc_kicked) {
 			if (poll_mask == 0)
-- 
GitLab


From febde3711992a64ea83a47a719f68a90c4b0927a Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Tue, 14 Oct 2008 05:02:09 +0000
Subject: [PATCH 1772/2224] hvc_console: Add support for tty window resizing

The patch provides the hvc_resize() function to update the terminal
window dimensions (struct winsize) for a specified hvc console.
The function stores the new window size and schedules a function
that finally updates the tty winsize and signals the change to
user space (SIGWINCH).
Because the winsize update must acquire a mutex and might sleep,
the function is scheduled instead of being called from hvc_poll()
or khvcd.

This patch uses the tty_do_resize() routine from the tty layer.
A pending resize work is canceled in hvc_close() and hvc_hangup().

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/char/hvc_console.c | 58 ++++++++++++++++++++++++++++++++++++++
 drivers/char/hvc_console.h |  6 ++++
 2 files changed, 64 insertions(+)

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 3650c904401..2d256dc8052 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -374,6 +374,9 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
 		if (hp->ops->notifier_del)
 			hp->ops->notifier_del(hp, hp->data);
 
+		/* cancel pending tty resize work */
+		cancel_work_sync(&hp->tty_resize);
+
 		/*
 		 * Chain calls chars_in_buffer() and returns immediately if
 		 * there is no buffered data otherwise sleeps on a wait queue
@@ -399,6 +402,9 @@ static void hvc_hangup(struct tty_struct *tty)
 	if (!hp)
 		return;
 
+	/* cancel pending tty resize work */
+	cancel_work_sync(&hp->tty_resize);
+
 	spin_lock_irqsave(&hp->lock, flags);
 
 	/*
@@ -494,6 +500,39 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count
 	return written;
 }
 
+/**
+ * hvc_set_winsz() - Resize the hvc tty terminal window.
+ * @work:	work structure.
+ *
+ * The routine shall not be called within an atomic context because it
+ * might sleep.
+ *
+ * Locking:	hp->lock
+ */
+static void hvc_set_winsz(struct work_struct *work)
+{
+	struct hvc_struct *hp;
+	unsigned long hvc_flags;
+	struct tty_struct *tty;
+	struct winsize ws;
+
+	hp = container_of(work, struct hvc_struct, tty_resize);
+	if (!hp)
+		return;
+
+	spin_lock_irqsave(&hp->lock, hvc_flags);
+	if (!hp->tty) {
+		spin_unlock_irqrestore(&hp->lock, hvc_flags);
+		return;
+	}
+	ws  = hp->ws;
+	tty = tty_kref_get(hp->tty);
+	spin_unlock_irqrestore(&hp->lock, hvc_flags);
+
+	tty_do_resize(tty, tty, &ws);
+	tty_kref_put(tty);
+}
+
 /*
  * This is actually a contract between the driver and the tty layer outlining
  * how much write room the driver can guarantee will be sent OR BUFFERED.  This
@@ -638,6 +677,24 @@ int hvc_poll(struct hvc_struct *hp)
 }
 EXPORT_SYMBOL_GPL(hvc_poll);
 
+/**
+ * hvc_resize() - Update terminal window size information.
+ * @hp:		HVC console pointer
+ * @ws:		Terminal window size structure
+ *
+ * Stores the specified window size information in the hvc structure of @hp.
+ * The function schedule the tty resize update.
+ *
+ * Locking:	Locking free; the function MUST be called holding hp->lock
+ */
+void hvc_resize(struct hvc_struct *hp, struct winsize ws)
+{
+	if ((hp->ws.ws_row != ws.ws_row) || (hp->ws.ws_col != ws.ws_col)) {
+		hp->ws = ws;
+		schedule_work(&hp->tty_resize);
+	}
+}
+
 /*
  * This kthread is either polling or interrupt driven.  This is determined by
  * calling hvc_poll() who determines whether a console adapter support
@@ -720,6 +777,7 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int data,
 
 	kref_init(&hp->kref);
 
+	INIT_WORK(&hp->tty_resize, hvc_set_winsz);
 	spin_lock_init(&hp->lock);
 	spin_lock(&hvc_structs_lock);
 
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index ec0e9bb0e5e..e3359f3c9b2 100644
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -27,6 +27,7 @@
 #ifndef HVC_CONSOLE_H
 #define HVC_CONSOLE_H
 #include <linux/kref.h>
+#include <linux/tty.h>
 
 /*
  * This is the max number of console adapters that can/will be found as
@@ -56,6 +57,8 @@ struct hvc_struct {
 	struct hv_ops *ops;
 	int irq_requested;
 	int data;
+	struct winsize ws;
+	struct work_struct tty_resize;
 	struct list_head next;
 	struct kref kref; /* ref count & hvc_struct lifetime */
 };
@@ -84,6 +87,9 @@ extern int __devexit hvc_remove(struct hvc_struct *hp);
 int hvc_poll(struct hvc_struct *hp);
 void hvc_kick(void);
 
+/* Resize hvc tty terminal window */
+extern void hvc_resize(struct hvc_struct *hp, struct winsize ws);
+
 /* default notifier for irq based notification */
 extern int notifier_add_irq(struct hvc_struct *hp, int data);
 extern void notifier_del_irq(struct hvc_struct *hp, int data);
-- 
GitLab


From 934752d8a4aaae4bee7a1b46944f30a55178ec91 Mon Sep 17 00:00:00 2001
From: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Date: Mon, 13 Oct 2008 23:12:52 +0000
Subject: [PATCH 1773/2224] hvc_console: Remove __devexit annotation of
 hvc_remove()

Removed __devexit annotation of hvc_remove() to avoid a section mismatch
if the backend initialization fails and hvc_remove() must be used to
clean up allocated hvc structs (called in section __init or __devinit).

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/char/hvc_console.c | 2 +-
 drivers/char/hvc_console.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 2d256dc8052..5b819b12675 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -803,7 +803,7 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int data,
 }
 EXPORT_SYMBOL_GPL(hvc_alloc);
 
-int __devexit hvc_remove(struct hvc_struct *hp)
+int hvc_remove(struct hvc_struct *hp)
 {
 	unsigned long flags;
 	struct tty_struct *tty;
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index e3359f3c9b2..8297dbc2e6e 100644
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -81,7 +81,7 @@ extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
 extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int data,
 				struct hv_ops *ops, int outbuf_size);
 /* remove a vterm from hvc tty operation (module_exit or hotplug remove) */
-extern int __devexit hvc_remove(struct hvc_struct *hp);
+extern int hvc_remove(struct hvc_struct *hp);
 
 /* data available */
 int hvc_poll(struct hvc_struct *hp);
-- 
GitLab


From f465df81a80df92dbde0029b277f31b5e787b5df Mon Sep 17 00:00:00 2001
From: Becky Bruce <becky.bruce@freescale.com>
Date: Wed, 15 Oct 2008 08:25:28 +0000
Subject: [PATCH 1774/2224] powerpc: Move memory size print into common
 show_cpuinfo for 32-bit

Most of the platforms were printing the size of the memory
in their show_cpuinfo implementations. This moves that to
the common show_cpuinfo, so that all 32-bit platforms will
now print the size of memory.  I also update the code
to deal with the fact that total_memory is now a phys_addr_t.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/setup-common.c             | 7 +++++++
 arch/powerpc/platforms/85xx/ksi8560.c          | 4 ----
 arch/powerpc/platforms/85xx/mpc85xx_ads.c      | 4 ----
 arch/powerpc/platforms/85xx/mpc85xx_cds.c      | 4 ----
 arch/powerpc/platforms/85xx/sbc8548.c          | 4 ----
 arch/powerpc/platforms/85xx/sbc8560.c          | 4 ----
 arch/powerpc/platforms/85xx/stx_gp3.c          | 4 ----
 arch/powerpc/platforms/85xx/tqm85xx.c          | 4 ----
 arch/powerpc/platforms/86xx/gef_sbc610.c       | 2 --
 arch/powerpc/platforms/86xx/mpc86xx_hpcn.c     | 2 --
 arch/powerpc/platforms/86xx/sbc8641d.c         | 2 --
 arch/powerpc/platforms/embedded6xx/c2k.c       | 3 ---
 arch/powerpc/platforms/embedded6xx/prpmc2800.c | 3 ---
 13 files changed, 7 insertions(+), 40 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 5ec56ff03e8..705fc4bf380 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -59,6 +59,7 @@
 #include <asm/mmu.h>
 #include <asm/xmon.h>
 #include <asm/cputhreads.h>
+#include <mm/mmu_decl.h>
 
 #include "setup.h"
 
@@ -190,6 +191,12 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		if (ppc_md.show_cpuinfo != NULL)
 			ppc_md.show_cpuinfo(m);
 
+#ifdef CONFIG_PPC32
+		/* Display the amount of memory */
+		seq_printf(m, "Memory\t\t: %d MB\n",
+			   (unsigned int)(total_memory / (1024 * 1024)));
+#endif
+
 		return 0;
 	}
 
diff --git a/arch/powerpc/platforms/85xx/ksi8560.c b/arch/powerpc/platforms/85xx/ksi8560.c
index 8a3b117b6ce..81cee7bbf2d 100644
--- a/arch/powerpc/platforms/85xx/ksi8560.c
+++ b/arch/powerpc/platforms/85xx/ksi8560.c
@@ -193,7 +193,6 @@ static void __init ksi8560_setup_arch(void)
 static void ksi8560_show_cpuinfo(struct seq_file *m)
 {
 	uint pvid, svid, phid1;
-	uint memsize = total_memory;
 
 	pvid = mfspr(SPRN_PVR);
 	svid = mfspr(SPRN_SVR);
@@ -215,9 +214,6 @@ static void ksi8560_show_cpuinfo(struct seq_file *m)
 	/* Display cpu Pll setting */
 	phid1 = mfspr(SPRN_HID1);
 	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
-	/* Display the amount of memory */
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 static struct of_device_id __initdata of_bus_ids[] = {
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 0293e3d3580..21f009023e2 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -207,7 +207,6 @@ static void __init mpc85xx_ads_setup_arch(void)
 static void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
 {
 	uint pvid, svid, phid1;
-	uint memsize = total_memory;
 
 	pvid = mfspr(SPRN_PVR);
 	svid = mfspr(SPRN_SVR);
@@ -219,9 +218,6 @@ static void mpc85xx_ads_show_cpuinfo(struct seq_file *m)
 	/* Display cpu Pll setting */
 	phid1 = mfspr(SPRN_HID1);
 	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
-	/* Display the amount of memory */
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 static struct of_device_id __initdata of_bus_ids[] = {
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 50d7ea8f922..aeb6a5bc552 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -307,7 +307,6 @@ static void __init mpc85xx_cds_setup_arch(void)
 static void mpc85xx_cds_show_cpuinfo(struct seq_file *m)
 {
 	uint pvid, svid, phid1;
-	uint memsize = total_memory;
 
 	pvid = mfspr(SPRN_PVR);
 	svid = mfspr(SPRN_SVR);
@@ -320,9 +319,6 @@ static void mpc85xx_cds_show_cpuinfo(struct seq_file *m)
 	/* Display cpu Pll setting */
 	phid1 = mfspr(SPRN_HID1);
 	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
-	/* Display the amount of memory */
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 
diff --git a/arch/powerpc/platforms/85xx/sbc8548.c b/arch/powerpc/platforms/85xx/sbc8548.c
index b9246ea0928..7ec77ce12da 100644
--- a/arch/powerpc/platforms/85xx/sbc8548.c
+++ b/arch/powerpc/platforms/85xx/sbc8548.c
@@ -136,7 +136,6 @@ static void __init sbc8548_setup_arch(void)
 static void sbc8548_show_cpuinfo(struct seq_file *m)
 {
 	uint pvid, svid, phid1;
-	uint memsize = total_memory;
 
 	pvid = mfspr(SPRN_PVR);
 	svid = mfspr(SPRN_SVR);
@@ -149,9 +148,6 @@ static void sbc8548_show_cpuinfo(struct seq_file *m)
 	/* Display cpu Pll setting */
 	phid1 = mfspr(SPRN_HID1);
 	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
-	/* Display the amount of memory */
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 static struct of_device_id __initdata of_bus_ids[] = {
diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c
index 0c9a856f66b..472f254a19d 100644
--- a/arch/powerpc/platforms/85xx/sbc8560.c
+++ b/arch/powerpc/platforms/85xx/sbc8560.c
@@ -194,7 +194,6 @@ static void __init sbc8560_setup_arch(void)
 static void sbc8560_show_cpuinfo(struct seq_file *m)
 {
 	uint pvid, svid, phid1;
-	uint memsize = total_memory;
 
 	pvid = mfspr(SPRN_PVR);
 	svid = mfspr(SPRN_SVR);
@@ -206,9 +205,6 @@ static void sbc8560_show_cpuinfo(struct seq_file *m)
 	/* Display cpu Pll setting */
 	phid1 = mfspr(SPRN_HID1);
 	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
-	/* Display the amount of memory */
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 static struct of_device_id __initdata of_bus_ids[] = {
diff --git a/arch/powerpc/platforms/85xx/stx_gp3.c b/arch/powerpc/platforms/85xx/stx_gp3.c
index 18499d7c9d9..0cca8f5cb27 100644
--- a/arch/powerpc/platforms/85xx/stx_gp3.c
+++ b/arch/powerpc/platforms/85xx/stx_gp3.c
@@ -130,7 +130,6 @@ static void __init stx_gp3_setup_arch(void)
 static void stx_gp3_show_cpuinfo(struct seq_file *m)
 {
 	uint pvid, svid, phid1;
-	uint memsize = total_memory;
 
 	pvid = mfspr(SPRN_PVR);
 	svid = mfspr(SPRN_SVR);
@@ -142,9 +141,6 @@ static void stx_gp3_show_cpuinfo(struct seq_file *m)
 	/* Display cpu Pll setting */
 	phid1 = mfspr(SPRN_HID1);
 	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
-	/* Display the amount of memory */
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 static struct of_device_id __initdata of_bus_ids[] = {
diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
index d850880d696..2933a8e827d 100644
--- a/arch/powerpc/platforms/85xx/tqm85xx.c
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -138,7 +138,6 @@ static void __init tqm85xx_setup_arch(void)
 static void tqm85xx_show_cpuinfo(struct seq_file *m)
 {
 	uint pvid, svid, phid1;
-	uint memsize = total_memory;
 
 	pvid = mfspr(SPRN_PVR);
 	svid = mfspr(SPRN_SVR);
@@ -150,9 +149,6 @@ static void tqm85xx_show_cpuinfo(struct seq_file *m)
 	/* Display cpu Pll setting */
 	phid1 = mfspr(SPRN_HID1);
 	seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
-
-	/* Display the amount of memory */
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 static struct of_device_id __initdata of_bus_ids[] = {
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index 821c45fac18..fb371f5ce13 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -127,7 +127,6 @@ static unsigned int gef_sbc610_get_fpga_rev(void)
 
 static void gef_sbc610_show_cpuinfo(struct seq_file *m)
 {
-	uint memsize = total_memory;
 	uint svid = mfspr(SPRN_SVR);
 
 	seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
@@ -137,7 +136,6 @@ static void gef_sbc610_show_cpuinfo(struct seq_file *m)
 	seq_printf(m, "FPGA Revision\t: %u\n", gef_sbc610_get_fpga_rev());
 
 	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 static void __init gef_sbc610_nec_fixup(struct pci_dev *pdev)
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 2672829a71d..27e0e682d8e 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -101,13 +101,11 @@ mpc86xx_hpcn_setup_arch(void)
 static void
 mpc86xx_hpcn_show_cpuinfo(struct seq_file *m)
 {
-	uint memsize = total_memory;
 	uint svid = mfspr(SPRN_SVR);
 
 	seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
 
 	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index da677a74e2d..5fd7ed40986 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -63,13 +63,11 @@ sbc8641_setup_arch(void)
 static void
 sbc8641_show_cpuinfo(struct seq_file *m)
 {
-	uint memsize = total_memory;
 	uint svid = mfspr(SPRN_SVR);
 
 	seq_printf(m, "Vendor\t\t: Wind River Systems\n");
 
 	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 }
 
 
diff --git a/arch/powerpc/platforms/embedded6xx/c2k.c b/arch/powerpc/platforms/embedded6xx/c2k.c
index d0b25b8c39d..32ba0fa0ad0 100644
--- a/arch/powerpc/platforms/embedded6xx/c2k.c
+++ b/arch/powerpc/platforms/embedded6xx/c2k.c
@@ -116,10 +116,7 @@ static void c2k_restart(char *cmd)
 
 void c2k_show_cpuinfo(struct seq_file *m)
 {
-	uint memsize = total_memory;
-
 	seq_printf(m, "Vendor\t\t: GEFanuc\n");
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 	seq_printf(m, "coherency\t: %s\n", COHERENCY_SETTING);
 }
 
diff --git a/arch/powerpc/platforms/embedded6xx/prpmc2800.c b/arch/powerpc/platforms/embedded6xx/prpmc2800.c
index 5a19b9a1457..4c485e98423 100644
--- a/arch/powerpc/platforms/embedded6xx/prpmc2800.c
+++ b/arch/powerpc/platforms/embedded6xx/prpmc2800.c
@@ -119,10 +119,7 @@ static void prpmc2800_restart(char *cmd)
 
 void prpmc2800_show_cpuinfo(struct seq_file *m)
 {
-	uint memsize = total_memory;
-
 	seq_printf(m, "Vendor\t\t: Motorola\n");
-	seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
 	seq_printf(m, "coherency\t: %s\n", PPRPM2800_COHERENCY_SETTING);
 }
 
-- 
GitLab


From 8873d93b4bf0bd270c3fc7e178211633e7a1d5e8 Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Wed, 15 Oct 2008 18:21:07 +0000
Subject: [PATCH 1775/2224] powerpc: Remove empty #else from signal_64.c

Remove empty/bogus #else from signal_64.c

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/signal_64.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 65ad925c3a8..c6a8f2326b6 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -235,8 +235,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
 	else
 		for (i = 0; i < 32 ; i++)
 			current->thread.fpr[i][TS_VSRLOWOFFSET] = 0;
-
-#else
 #endif
 	return err;
 }
-- 
GitLab


From 201bdc868d9e3122bbe4491aa6b5fc4dee4cdb96 Mon Sep 17 00:00:00 2001
From: David Gibson <david@gibson.dropbear.id.au>
Date: Mon, 20 Oct 2008 17:55:29 +0000
Subject: [PATCH 1776/2224] powerpc: Further compile fixup for
 STRICT_MM_TYPECHECKS

A patch of mine was recently committed to fix up STRICT_MM_TYPECHECKS
behaviour on powerpc (f5ea64dcbad89875d130596df14c9b25d994a737).
However, something which breaks it again seems to have slipped in
afterwards.  So, here's another small fix.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/pci-common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 3815d84a1ef..1ec73938a00 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -610,7 +610,8 @@ int pci_mmap_legacy_page_range(struct pci_bus *bus,
 	pr_debug(" -> mapping phys %llx\n", (unsigned long long)offset);
 
 	vma->vm_pgoff = offset >> PAGE_SHIFT;
-	vma->vm_page_prot |= _PAGE_NO_CACHE | _PAGE_GUARDED;
+	vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
+				     | _PAGE_NO_CACHE | _PAGE_GUARDED);
 	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
 			       vma->vm_end - vma->vm_start,
 			       vma->vm_page_prot);
-- 
GitLab


From c7d87d79d14cecab7a34dedf1b133377cf5a0203 Mon Sep 17 00:00:00 2001
From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Date: Thu, 16 Oct 2008 16:34:43 -0400
Subject: [PATCH 1777/2224] x86 allow modules to register idle notifiers

needed if the i7300_idle driver is to be modular.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/x86/kernel/process_64.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index e12e0e4dd25..3e3d503eadc 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -62,6 +62,13 @@ void idle_notifier_register(struct notifier_block *n)
 {
 	atomic_notifier_chain_register(&idle_notifier, n);
 }
+EXPORT_SYMBOL_GPL(idle_notifier_register);
+
+void idle_notifier_unregister(struct notifier_block *n)
+{
+	atomic_notifier_chain_unregister(&idle_notifier, n);
+}
+EXPORT_SYMBOL_GPL(idle_notifier_unregister);
 
 void enter_idle(void)
 {
-- 
GitLab


From 27471fdb32e77ecb92f09d4ac5757785b4dc33bc Mon Sep 17 00:00:00 2001
From: Andy Henroid <andrew.d.henroid@intel.com>
Date: Thu, 9 Oct 2008 11:45:22 -0700
Subject: [PATCH 1778/2224] i7300_idle driver v1.55

The Intel 7300 Memory Controller supports dynamic throttling of memory which can
be used to save power when system is idle. This driver does the memory
throttling when all CPUs are idle on such a system.

Refer to "Intel 7300 Memory Controller Hub (MCH)" datasheet
for the config space description.

Signed-off-by: Andy Henroid <andrew.d.henroid@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
---
 MAINTAINERS               |   6 +
 arch/x86/Kconfig          |   2 +
 drivers/Makefile          |   1 +
 drivers/dma/ioat_dma.c    |   3 +
 drivers/idle/Kconfig      |  16 +
 drivers/idle/Makefile     |   2 +
 drivers/idle/i7300_idle.c | 674 ++++++++++++++++++++++++++++++++++++++
 include/asm-x86/idle.h    |   1 +
 include/linux/pci_ids.h   |   1 +
 9 files changed, 706 insertions(+)
 create mode 100644 drivers/idle/Kconfig
 create mode 100644 drivers/idle/Makefile
 create mode 100644 drivers/idle/i7300_idle.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 8dae4555f10..43f71b0d2a2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2078,6 +2078,12 @@ L:	linux-ide@vger.kernel.org
 L:	linux-scsi@vger.kernel.org
 S:	Orphan
 
+IDLE-I7300
+P:	Andy Henroid
+M:	andrew.d.henroid@intel.com
+L:	linux-pm@lists.linux-foundation.org
+S:	Supported
+
 IEEE 1394 SUBSYSTEM (drivers/ieee1394)
 P:	Ben Collins
 M:	ben.collins@ubuntu.com
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ed92864d132..19cdfe1f237 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1536,6 +1536,8 @@ source "arch/x86/kernel/cpu/cpufreq/Kconfig"
 
 source "drivers/cpuidle/Kconfig"
 
+source "drivers/idle/Kconfig"
+
 endmenu
 
 
diff --git a/drivers/Makefile b/drivers/Makefile
index 2735bde7347..f443a8a9d46 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -82,6 +82,7 @@ obj-$(CONFIG_EISA)		+= eisa/
 obj-y				+= lguest/
 obj-$(CONFIG_CPU_FREQ)		+= cpufreq/
 obj-$(CONFIG_CPU_IDLE)		+= cpuidle/
+obj-y				+= idle/
 obj-$(CONFIG_MMC)		+= mmc/
 obj-$(CONFIG_MEMSTICK)		+= memstick/
 obj-$(CONFIG_NEW_LEDS)		+= leds/
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index bc8c6e3470c..f8396cafa05 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -171,6 +171,9 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device)
 	xfercap_scale = readb(device->reg_base + IOAT_XFERCAP_OFFSET);
 	xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale));
 
+#if CONFIG_I7300_IDLE_IOAT_CHANNEL
+	device->common.chancnt--;
+#endif
 	for (i = 0; i < device->common.chancnt; i++) {
 		ioat_chan = kzalloc(sizeof(*ioat_chan), GFP_KERNEL);
 		if (!ioat_chan) {
diff --git a/drivers/idle/Kconfig b/drivers/idle/Kconfig
new file mode 100644
index 00000000000..f5b26dd579e
--- /dev/null
+++ b/drivers/idle/Kconfig
@@ -0,0 +1,16 @@
+
+menu "Memory power savings"
+
+config I7300_IDLE_IOAT_CHANNEL
+	bool
+
+config I7300_IDLE
+	tristate "Intel chipset idle power saving driver"
+	select I7300_IDLE_IOAT_CHANNEL
+	depends on X86_64
+	help
+	  Enable idle power savings with certain Intel server chipsets.
+	  The chipset must have I/O AT support, such as the Intel 7300.
+	  The power savings depends on the type and quantity of DRAM devices.
+
+endmenu
diff --git a/drivers/idle/Makefile b/drivers/idle/Makefile
new file mode 100644
index 00000000000..5f68fc377e2
--- /dev/null
+++ b/drivers/idle/Makefile
@@ -0,0 +1,2 @@
+obj-$(CONFIG_I7300_IDLE)			+= i7300_idle.o
+
diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c
new file mode 100644
index 00000000000..59d1bbc3cd3
--- /dev/null
+++ b/drivers/idle/i7300_idle.c
@@ -0,0 +1,674 @@
+/*
+ * (C) Copyright 2008 Intel Corporation
+ * Authors:
+ * Andy Henroid <andrew.d.henroid@intel.com>
+ * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+ */
+
+/*
+ * Save DIMM power on Intel 7300-based platforms when all CPUs/cores
+ * are idle, using the DIMM thermal throttling capability.
+ *
+ * This driver depends on the Intel integrated DMA controller (I/O AT).
+ * If the driver for I/O AT (drivers/dma/ioatdma*) is also enabled,
+ * this driver should work cooperatively.
+ */
+
+/* #define DEBUG */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/sched.h>
+#include <linux/notifier.h>
+#include <linux/cpumask.h>
+#include <linux/ktime.h>
+#include <linux/delay.h>
+#include <linux/debugfs.h>
+#include <linux/stop_machine.h>
+
+#include <asm/idle.h>
+
+#include "../dma/ioatdma_hw.h"
+#include "../dma/ioatdma_registers.h"
+
+#define I7300_IDLE_DRIVER_VERSION	"1.55"
+#define I7300_PRINT			"i7300_idle:"
+
+static int debug;
+module_param_named(debug, debug, uint, 0644);
+MODULE_PARM_DESC(debug, "Enable debug printks in this driver");
+
+#define dprintk(fmt, arg...) \
+	do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)
+
+/*
+ * Value to set THRTLOW to when initiating throttling
+ *  0 = No throttling
+ *  1 = Throttle when > 4 activations per eval window (Maximum throttling)
+ *  2 = Throttle when > 8 activations
+ *  168 = Throttle when > 168 activations (Minimum throttling)
+ */
+#define MAX_THRTLWLIMIT		168
+static uint i7300_idle_thrtlowlm = 1;
+module_param_named(thrtlwlimit, i7300_idle_thrtlowlm, uint, 0644);
+MODULE_PARM_DESC(thrtlwlimit,
+		"Value for THRTLOWLM activation field "
+		"(0 = disable throttle, 1 = Max throttle, 168 = Min throttle)");
+
+/*
+ * simple invocation and duration statistics
+ */
+static unsigned long total_starts;
+static unsigned long total_us;
+
+#ifdef DEBUG
+static unsigned long past_skip;
+#endif
+
+static struct pci_dev *fbd_dev;
+
+static spinlock_t i7300_idle_lock;
+static int i7300_idle_active;
+
+static u8 i7300_idle_thrtctl_saved;
+static u8 i7300_idle_thrtlow_saved;
+static u32 i7300_idle_mc_saved;
+
+static cpumask_t idle_cpumask;
+static ktime_t start_ktime;
+static unsigned long avg_idle_us;
+
+static struct dentry *debugfs_dir;
+
+/* Begin: I/O AT Helper routines */
+
+#define IOAT_CHANBASE(ioat_ctl, chan) (ioat_ctl + 0x80 + 0x80 * chan)
+/* Snoop control (disable snoops when coherency is not important) */
+#define IOAT_DESC_SADDR_SNP_CTL (1UL << 1)
+#define IOAT_DESC_DADDR_SNP_CTL (1UL << 2)
+
+static struct pci_dev *ioat_dev;
+static struct ioat_dma_descriptor *ioat_desc; /* I/O AT desc & data (1 page) */
+static unsigned long ioat_desc_phys;
+static u8 *ioat_iomap; /* I/O AT memory-mapped control regs (aka CB_BAR) */
+static u8 *ioat_chanbase;
+
+/* Start I/O AT memory copy */
+static int i7300_idle_ioat_start(void)
+{
+	u32 err;
+	/* Clear error (due to circular descriptor pointer) */
+	err = readl(ioat_chanbase + IOAT_CHANERR_OFFSET);
+	if (err)
+		writel(err, ioat_chanbase + IOAT_CHANERR_OFFSET);
+
+	writeb(IOAT_CHANCMD_START, ioat_chanbase + IOAT1_CHANCMD_OFFSET);
+	return 0;
+}
+
+/* Stop I/O AT memory copy */
+static void i7300_idle_ioat_stop(void)
+{
+	int i;
+	u8 sts;
+
+	for (i = 0; i < 5; i++) {
+		writeb(IOAT_CHANCMD_RESET,
+			ioat_chanbase + IOAT1_CHANCMD_OFFSET);
+
+		udelay(10);
+
+		sts = readq(ioat_chanbase + IOAT1_CHANSTS_OFFSET) &
+			IOAT_CHANSTS_DMA_TRANSFER_STATUS;
+
+		if (sts != IOAT_CHANSTS_DMA_TRANSFER_STATUS_ACTIVE)
+			break;
+
+	}
+
+	if (i == 5)
+		dprintk("failed to suspend+reset I/O AT after 5 retries\n");
+
+}
+
+/* Test I/O AT by copying 1024 byte from 2k to 1k */
+static int __init i7300_idle_ioat_selftest(u8 *ctl,
+		struct ioat_dma_descriptor *desc, unsigned long desc_phys)
+{
+	u64 chan_sts;
+
+	memset(desc, 0, 2048);
+	memset((u8 *) desc + 2048, 0xab, 1024);
+
+	desc[0].size = 1024;
+	desc[0].ctl = 0;
+	desc[0].src_addr = desc_phys + 2048;
+	desc[0].dst_addr = desc_phys + 1024;
+	desc[0].next = 0;
+
+	writeb(IOAT_CHANCMD_RESET, ioat_chanbase + IOAT1_CHANCMD_OFFSET);
+	writeb(IOAT_CHANCMD_START, ioat_chanbase + IOAT1_CHANCMD_OFFSET);
+
+	udelay(1000);
+
+	chan_sts = readq(ioat_chanbase + IOAT1_CHANSTS_OFFSET) &
+			IOAT_CHANSTS_DMA_TRANSFER_STATUS;
+
+	if (chan_sts != IOAT_CHANSTS_DMA_TRANSFER_STATUS_DONE) {
+		/* Not complete, reset the channel */
+		writeb(IOAT_CHANCMD_RESET,
+		       ioat_chanbase + IOAT1_CHANCMD_OFFSET);
+		return -1;
+	}
+
+	if (*(u32 *) ((u8 *) desc + 3068) != 0xabababab ||
+	    *(u32 *) ((u8 *) desc + 2044) != 0xabababab) {
+		dprintk("Data values src 0x%x, dest 0x%x, memset 0x%x\n",
+			*(u32 *) ((u8 *) desc + 2048),
+			*(u32 *) ((u8 *) desc + 1024),
+			*(u32 *) ((u8 *) desc + 3072));
+		return -1;
+	}
+	return 0;
+}
+
+static struct device dummy_dma_dev = {
+	.bus_id = "fallback device",
+	.coherent_dma_mask = DMA_64BIT_MASK,
+	.dma_mask = &dummy_dma_dev.coherent_dma_mask,
+};
+
+/* Setup and initialize I/O AT */
+/* This driver needs I/O AT as the throttling takes effect only when there is
+ * some memory activity. We use I/O AT to set up a dummy copy, while all CPUs
+ * go idle and memory is throttled.
+ */
+static int __init i7300_idle_ioat_init(void)
+{
+	u8 ver, chan_count, ioat_chan;
+	u16 chan_ctl;
+
+	ioat_iomap = (u8 *) ioremap_nocache(pci_resource_start(ioat_dev, 0),
+					    pci_resource_len(ioat_dev, 0));
+
+	if (!ioat_iomap) {
+		printk(KERN_ERR I7300_PRINT "failed to map I/O AT registers\n");
+		goto err_ret;
+	}
+
+	ver = readb(ioat_iomap + IOAT_VER_OFFSET);
+	if (ver != IOAT_VER_1_2) {
+		printk(KERN_ERR I7300_PRINT "unknown I/O AT version (%u.%u)\n",
+			ver >> 4, ver & 0xf);
+		goto err_unmap;
+	}
+
+	chan_count = readb(ioat_iomap + IOAT_CHANCNT_OFFSET);
+	if (!chan_count) {
+		printk(KERN_ERR I7300_PRINT "unexpected # of I/O AT channels "
+			"(%u)\n",
+			chan_count);
+		goto err_unmap;
+	}
+
+	ioat_chan = chan_count - 1;
+	ioat_chanbase = IOAT_CHANBASE(ioat_iomap, ioat_chan);
+
+	chan_ctl = readw(ioat_chanbase + IOAT_CHANCTRL_OFFSET);
+	if (chan_ctl & IOAT_CHANCTRL_CHANNEL_IN_USE) {
+		printk(KERN_ERR I7300_PRINT "channel %d in use\n", ioat_chan);
+		goto err_unmap;
+	}
+
+	writew(IOAT_CHANCTRL_CHANNEL_IN_USE,
+		ioat_chanbase + IOAT_CHANCTRL_OFFSET);
+
+	ioat_desc = (struct ioat_dma_descriptor *)dma_alloc_coherent(
+			&dummy_dma_dev, 4096,
+			(dma_addr_t *)&ioat_desc_phys, GFP_KERNEL);
+	if (!ioat_desc) {
+		printk(KERN_ERR I7300_PRINT "failed to allocate I/O AT desc\n");
+		goto err_mark_unused;
+	}
+
+	writel(ioat_desc_phys & 0xffffffffUL,
+	       ioat_chanbase + IOAT1_CHAINADDR_OFFSET_LOW);
+	writel(ioat_desc_phys >> 32,
+	       ioat_chanbase + IOAT1_CHAINADDR_OFFSET_HIGH);
+
+	if (i7300_idle_ioat_selftest(ioat_iomap, ioat_desc, ioat_desc_phys)) {
+		printk(KERN_ERR I7300_PRINT "I/O AT self-test failed\n");
+		goto err_free;
+	}
+
+	/* Setup circular I/O AT descriptor chain */
+	ioat_desc[0].ctl = IOAT_DESC_SADDR_SNP_CTL | IOAT_DESC_DADDR_SNP_CTL;
+	ioat_desc[0].src_addr = ioat_desc_phys + 2048;
+	ioat_desc[0].dst_addr = ioat_desc_phys + 3072;
+	ioat_desc[0].size = 128;
+	ioat_desc[0].next = ioat_desc_phys + sizeof(struct ioat_dma_descriptor);
+
+	ioat_desc[1].ctl = ioat_desc[0].ctl;
+	ioat_desc[1].src_addr = ioat_desc[0].src_addr;
+	ioat_desc[1].dst_addr = ioat_desc[0].dst_addr;
+	ioat_desc[1].size = ioat_desc[0].size;
+	ioat_desc[1].next = ioat_desc_phys;
+
+	return 0;
+
+err_free:
+	dma_free_coherent(&dummy_dma_dev, 4096, (void *)ioat_desc, 0);
+err_mark_unused:
+	writew(0, ioat_chanbase + IOAT_CHANCTRL_OFFSET);
+err_unmap:
+	iounmap(ioat_iomap);
+err_ret:
+	return -ENODEV;
+}
+
+/* Cleanup I/O AT */
+static void __exit i7300_idle_ioat_exit(void)
+{
+	int i;
+	u64 chan_sts;
+
+	i7300_idle_ioat_stop();
+
+	/* Wait for a while for the channel to halt before releasing */
+	for (i = 0; i < 10; i++) {
+		writeb(IOAT_CHANCMD_RESET,
+		       ioat_chanbase + IOAT1_CHANCMD_OFFSET);
+
+		chan_sts = readq(ioat_chanbase + IOAT1_CHANSTS_OFFSET) &
+			IOAT_CHANSTS_DMA_TRANSFER_STATUS;
+
+		if (chan_sts != IOAT_CHANSTS_DMA_TRANSFER_STATUS_ACTIVE) {
+			writew(0, ioat_chanbase + IOAT_CHANCTRL_OFFSET);
+			break;
+		}
+		udelay(1000);
+	}
+
+	chan_sts = readq(ioat_chanbase + IOAT1_CHANSTS_OFFSET) &
+			IOAT_CHANSTS_DMA_TRANSFER_STATUS;
+
+	/*
+	 * We tried to reset multiple times. If IO A/T channel is still active
+	 * flag an error and return without cleanup. Memory leak is better
+	 * than random corruption in that extreme error situation.
+	 */
+	if (chan_sts == IOAT_CHANSTS_DMA_TRANSFER_STATUS_ACTIVE) {
+		printk(KERN_ERR I7300_PRINT "Unable to stop IO A/T channels."
+			" Not freeing resources\n");
+		return;
+	}
+
+	dma_free_coherent(&dummy_dma_dev, 4096, (void *)ioat_desc, 0);
+	iounmap(ioat_iomap);
+}
+
+/* End: I/O AT Helper routines */
+
+#define DIMM_THRTLOW 0x64
+#define DIMM_THRTCTL 0x67
+#define DIMM_THRTCTL_THRMHUNT (1UL << 0)
+#define DIMM_MC 0x40
+#define DIMM_GTW_MODE (1UL << 17)
+#define DIMM_GBLACT 0x60
+
+/*
+ * Keep track of an exponential-decaying average of recent idle durations.
+ * The latest duration gets DURATION_WEIGHT_PCT percentage weight
+ * in this average, with the old average getting the remaining weight.
+ *
+ * High weights emphasize recent history, low weights include long history.
+ */
+#define DURATION_WEIGHT_PCT 55
+
+/*
+ * When the decaying average of recent durations or the predicted duration
+ * of the next timer interrupt is shorter than duration_threshold, the
+ * driver will decline to throttle.
+ */
+#define DURATION_THRESHOLD_US 100
+
+
+/* Store DIMM thermal throttle configuration */
+static int i7300_idle_thrt_save(void)
+{
+	u32 new_mc_val;
+	u8 gblactlm;
+
+	pci_read_config_byte(fbd_dev, DIMM_THRTCTL, &i7300_idle_thrtctl_saved);
+	pci_read_config_byte(fbd_dev, DIMM_THRTLOW, &i7300_idle_thrtlow_saved);
+	pci_read_config_dword(fbd_dev, DIMM_MC, &i7300_idle_mc_saved);
+	/*
+	 * Make sure we have Global Throttling Window Mode set to have a
+	 * "short" window. This (mostly) works around an issue where
+	 * throttling persists until the end of the global throttling window
+	 * size. On the tested system, this was resulting in a maximum of
+	 * 64 ms to exit throttling (average 32 ms). The actual numbers
+	 * depends on system frequencies. Setting the short window reduces
+	 * this by a factor of 4096.
+	 *
+	 * We will only do this only if the system is set for
+	 * unlimited-activations while in open-loop throttling (i.e., when
+	 * Global Activation Throttle Limit is zero).
+	 */
+	pci_read_config_byte(fbd_dev, DIMM_GBLACT, &gblactlm);
+	dprintk("thrtctl_saved = 0x%02x, thrtlow_saved = 0x%02x\n",
+		i7300_idle_thrtctl_saved,
+		i7300_idle_thrtlow_saved);
+	dprintk("mc_saved = 0x%08x, gblactlm = 0x%02x\n",
+		i7300_idle_mc_saved,
+		gblactlm);
+	if (gblactlm == 0) {
+		new_mc_val = i7300_idle_mc_saved | DIMM_GTW_MODE;
+		pci_write_config_dword(fbd_dev, DIMM_MC, new_mc_val);
+		return 0;
+	} else {
+		dprintk("could not set GTW_MODE = 1 (OLTT enabled)\n");
+		return -ENODEV;
+	}
+}
+
+/* Restore DIMM thermal throttle configuration */
+static void i7300_idle_thrt_restore(void)
+{
+	pci_write_config_dword(fbd_dev, DIMM_MC, i7300_idle_mc_saved);
+	pci_write_config_byte(fbd_dev, DIMM_THRTLOW, i7300_idle_thrtlow_saved);
+	pci_write_config_byte(fbd_dev, DIMM_THRTCTL, i7300_idle_thrtctl_saved);
+}
+
+/* Enable DIMM thermal throttling */
+static void i7300_idle_start(void)
+{
+	u8 new_ctl;
+	u8 limit;
+
+	new_ctl = i7300_idle_thrtctl_saved & ~DIMM_THRTCTL_THRMHUNT;
+	pci_write_config_byte(fbd_dev, DIMM_THRTCTL, new_ctl);
+
+	limit = i7300_idle_thrtlowlm;
+	if (unlikely(limit > MAX_THRTLWLIMIT))
+		limit = MAX_THRTLWLIMIT;
+
+	pci_write_config_byte(fbd_dev, DIMM_THRTLOW, limit);
+
+	new_ctl = i7300_idle_thrtctl_saved | DIMM_THRTCTL_THRMHUNT;
+	pci_write_config_byte(fbd_dev, DIMM_THRTCTL, new_ctl);
+}
+
+/* Disable DIMM thermal throttling */
+static void i7300_idle_stop(void)
+{
+	u8 new_ctl;
+	u8 got_ctl;
+
+	new_ctl = i7300_idle_thrtctl_saved & ~DIMM_THRTCTL_THRMHUNT;
+	pci_write_config_byte(fbd_dev, DIMM_THRTCTL, new_ctl);
+
+	pci_write_config_byte(fbd_dev, DIMM_THRTLOW, i7300_idle_thrtlow_saved);
+	pci_write_config_byte(fbd_dev, DIMM_THRTCTL, i7300_idle_thrtctl_saved);
+	pci_read_config_byte(fbd_dev, DIMM_THRTCTL, &got_ctl);
+	WARN_ON_ONCE(got_ctl != i7300_idle_thrtctl_saved);
+}
+
+
+/*
+ * i7300_avg_duration_check()
+ * return 0 if the decaying average of recent idle durations is
+ * more than DURATION_THRESHOLD_US
+ */
+static int i7300_avg_duration_check(void)
+{
+	if (avg_idle_us >= DURATION_THRESHOLD_US)
+		return 0;
+
+#ifdef DEBUG
+	past_skip++;
+#endif
+	return 1;
+}
+
+/* Idle notifier to look at idle CPUs */
+static int i7300_idle_notifier(struct notifier_block *nb, unsigned long val,
+				void *data)
+{
+	unsigned long flags;
+	ktime_t now_ktime;
+	static ktime_t idle_begin_time;
+	static int time_init = 1;
+
+	if (!i7300_idle_thrtlowlm)
+		return 0;
+
+	if (unlikely(time_init)) {
+		time_init = 0;
+		idle_begin_time = ktime_get();
+	}
+
+	spin_lock_irqsave(&i7300_idle_lock, flags);
+	if (val == IDLE_START) {
+
+		cpu_set(smp_processor_id(), idle_cpumask);
+
+		if (cpus_weight(idle_cpumask) != num_online_cpus())
+			goto end;
+
+		now_ktime = ktime_get();
+		idle_begin_time = now_ktime;
+
+		if (i7300_avg_duration_check())
+			goto end;
+
+		i7300_idle_active = 1;
+		total_starts++;
+		start_ktime = now_ktime;
+
+		i7300_idle_start();
+		i7300_idle_ioat_start();
+
+	} else if (val == IDLE_END) {
+		cpu_clear(smp_processor_id(), idle_cpumask);
+		if (cpus_weight(idle_cpumask) == (num_online_cpus() - 1)) {
+			/* First CPU coming out of idle */
+			u64 idle_duration_us;
+
+			now_ktime = ktime_get();
+
+			idle_duration_us = ktime_to_us(ktime_sub
+						(now_ktime, idle_begin_time));
+
+			avg_idle_us =
+				((100 - DURATION_WEIGHT_PCT) * avg_idle_us +
+				 DURATION_WEIGHT_PCT * idle_duration_us) / 100;
+
+			if (i7300_idle_active) {
+				ktime_t idle_ktime;
+
+				idle_ktime = ktime_sub(now_ktime, start_ktime);
+				total_us += ktime_to_us(idle_ktime);
+
+				i7300_idle_ioat_stop();
+				i7300_idle_stop();
+				i7300_idle_active = 0;
+			}
+		}
+	}
+end:
+	spin_unlock_irqrestore(&i7300_idle_lock, flags);
+	return 0;
+}
+
+static struct notifier_block i7300_idle_nb = {
+	.notifier_call = i7300_idle_notifier,
+};
+
+/*
+ * I/O AT controls (PCI bus 0 device 8 function 0)
+ * DIMM controls (PCI bus 0 device 16 function 1)
+ */
+#define IOAT_BUS 0
+#define IOAT_DEVFN PCI_DEVFN(8, 0)
+#define MEMCTL_BUS 0
+#define MEMCTL_DEVFN PCI_DEVFN(16, 1)
+
+struct fbd_ioat {
+	unsigned int vendor;
+	unsigned int ioat_dev;
+};
+
+/*
+ * The i5000 chip-set has the same hooks as the i7300
+ * but support is disabled by default because this driver
+ * has not been validated on that platform.
+ */
+#define SUPPORT_I5000 0
+
+static const struct fbd_ioat fbd_ioat_list[] = {
+	{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_CNB},
+#if SUPPORT_I5000
+	{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT},
+#endif
+	{0, 0}
+};
+
+/* table of devices that work with this driver */
+static const struct pci_device_id pci_tbl[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_FBD_CNB) },
+#if SUPPORT_I5000
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5000_ERR) },
+#endif
+	{ } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(pci, pci_tbl);
+
+/* Check for known platforms with I/O-AT */
+static int __init i7300_idle_platform_probe(void)
+{
+	int i;
+
+	fbd_dev = pci_get_bus_and_slot(MEMCTL_BUS, MEMCTL_DEVFN);
+	if (!fbd_dev)
+		return -ENODEV;
+
+	for (i = 0; pci_tbl[i].vendor != 0; i++) {
+		if (fbd_dev->vendor == pci_tbl[i].vendor &&
+		    fbd_dev->device == pci_tbl[i].device) {
+			break;
+		}
+	}
+	if (pci_tbl[i].vendor == 0)
+		return -ENODEV;
+
+	ioat_dev = pci_get_bus_and_slot(IOAT_BUS, IOAT_DEVFN);
+	if (!ioat_dev)
+		return -ENODEV;
+
+	for (i = 0; fbd_ioat_list[i].vendor != 0; i++) {
+		if (ioat_dev->vendor == fbd_ioat_list[i].vendor &&
+		    ioat_dev->device == fbd_ioat_list[i].ioat_dev) {
+			return 0;
+		}
+	}
+	return -ENODEV;
+}
+
+int stats_open_generic(struct inode *inode, struct file *fp)
+{
+	fp->private_data = inode->i_private;
+	return 0;
+}
+
+static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count,
+				loff_t *off)
+{
+	unsigned long *p = fp->private_data;
+	char buf[32];
+	int len;
+
+	len = snprintf(buf, 32, "%lu\n", *p);
+	return simple_read_from_buffer(ubuf, count, off, buf, len);
+}
+
+static const struct file_operations idle_fops = {
+	.open	= stats_open_generic,
+	.read	= stats_read_ul,
+};
+
+struct debugfs_file_info {
+	void *ptr;
+	char name[32];
+	struct dentry *file;
+} debugfs_file_list[] = {
+				{&total_starts, "total_starts", NULL},
+				{&total_us, "total_us", NULL},
+#ifdef DEBUG
+				{&past_skip, "past_skip", NULL},
+#endif
+				{NULL, "", NULL}
+			};
+
+static int __init i7300_idle_init(void)
+{
+	spin_lock_init(&i7300_idle_lock);
+	cpus_clear(idle_cpumask);
+	total_us = 0;
+
+	if (i7300_idle_platform_probe())
+		return -ENODEV;
+
+	if (i7300_idle_thrt_save())
+		return -ENODEV;
+
+	if (i7300_idle_ioat_init())
+		return -ENODEV;
+
+	debugfs_dir = debugfs_create_dir("i7300_idle", NULL);
+	if (debugfs_dir) {
+		int i = 0;
+
+		while (debugfs_file_list[i].ptr != NULL) {
+			debugfs_file_list[i].file = debugfs_create_file(
+					debugfs_file_list[i].name,
+					S_IRUSR,
+					debugfs_dir,
+					debugfs_file_list[i].ptr,
+					&idle_fops);
+			i++;
+		}
+	}
+
+	idle_notifier_register(&i7300_idle_nb);
+
+	printk(KERN_INFO "i7300_idle: loaded v%s\n", I7300_IDLE_DRIVER_VERSION);
+	return 0;
+}
+
+static void __exit i7300_idle_exit(void)
+{
+	idle_notifier_unregister(&i7300_idle_nb);
+
+	if (debugfs_dir) {
+		int i = 0;
+
+		while (debugfs_file_list[i].file != NULL) {
+			debugfs_remove(debugfs_file_list[i].file);
+			i++;
+		}
+
+		debugfs_remove(debugfs_dir);
+	}
+	i7300_idle_thrt_restore();
+	i7300_idle_ioat_exit();
+}
+
+module_init(i7300_idle_init);
+module_exit(i7300_idle_exit);
+
+MODULE_AUTHOR("Andy Henroid <andrew.d.henroid@intel.com>");
+MODULE_DESCRIPTION("Intel Chipset DIMM Idle Power Saving Driver v"
+			I7300_IDLE_DRIVER_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/include/asm-x86/idle.h b/include/asm-x86/idle.h
index cbb64912361..54ce018d4b6 100644
--- a/include/asm-x86/idle.h
+++ b/include/asm-x86/idle.h
@@ -6,6 +6,7 @@
 
 struct notifier_block;
 void idle_notifier_register(struct notifier_block *n);
+void idle_notifier_unregister(struct notifier_block *n);
 
 void enter_idle(void);
 void exit_idle(void);
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index f1624b39675..efb786d11f2 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2422,6 +2422,7 @@
 #define PCI_DEVICE_ID_INTEL_MCH_PC1	0x359a
 #define PCI_DEVICE_ID_INTEL_E7525_MCH	0x359e
 #define PCI_DEVICE_ID_INTEL_IOAT_CNB	0x360b
+#define PCI_DEVICE_ID_INTEL_FBD_CNB	0x360c
 #define PCI_DEVICE_ID_INTEL_ICH10_0	0x3a14
 #define PCI_DEVICE_ID_INTEL_ICH10_1	0x3a16
 #define PCI_DEVICE_ID_INTEL_ICH10_2	0x3a18
-- 
GitLab


From 71773f0337bee8a3701aaaec22581c18a5f44679 Mon Sep 17 00:00:00 2001
From: Mike Ditto <mditto@consentry.com>
Date: Tue, 21 Oct 2008 11:32:29 +0000
Subject: [PATCH 1779/2224] powerpc: Add del_node() for early boot code to
 prune inapplicable devices.

Some platforms have variants that can share most of a flat device tree but need
a few devices selectively pruned at boot time.  This adds del_node() to ops.h
to allow access to the existing fdt_del_node().

Signed-off-by: Mike Ditto <mditto@consentry.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/boot/libfdt-wrapper.c | 6 ++++++
 arch/powerpc/boot/ops.h            | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/arch/powerpc/boot/libfdt-wrapper.c b/arch/powerpc/boot/libfdt-wrapper.c
index 1daa73f08ba..9276327bc2b 100644
--- a/arch/powerpc/boot/libfdt-wrapper.c
+++ b/arch/powerpc/boot/libfdt-wrapper.c
@@ -105,6 +105,11 @@ static int fdt_wrapper_setprop(const void *devp, const char *name,
 	return check_err(rc);
 }
 
+static int fdt_wrapper_del_node(const void *devp)
+{
+	return fdt_del_node(fdt, devp_offset(devp));
+}
+
 static void *fdt_wrapper_get_parent(const void *devp)
 {
 	return offset_devp(fdt_parent_offset(fdt, devp_offset(devp)));
@@ -174,6 +179,7 @@ void fdt_init(void *blob)
 	dt_ops.create_node = fdt_wrapper_create_node;
 	dt_ops.find_node_by_prop_value = fdt_wrapper_find_node_by_prop_value;
 	dt_ops.find_node_by_compatible = fdt_wrapper_find_node_by_compatible;
+	dt_ops.del_node = fdt_wrapper_del_node;
 	dt_ops.get_path = fdt_wrapper_get_path;
 	dt_ops.finalize = fdt_wrapper_finalize;
 
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index 321e2f5afe7..b3218ce451b 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -40,6 +40,7 @@ struct dt_ops {
 			const int buflen);
 	int	(*setprop)(const void *phandle, const char *name,
 			const void *buf, const int buflen);
+	int (*del_node)(const void *phandle);
 	void *(*get_parent)(const void *phandle);
 	/* The node must not already exist. */
 	void *(*create_node)(const void *parent, const char *name);
@@ -126,6 +127,11 @@ static inline int setprop_str(void *devp, const char *name, const char *buf)
 	return -1;
 }
 
+static inline int del_node(const void *devp)
+{
+	return dt_ops.del_node ? dt_ops.del_node(devp) : -1;
+}
+
 static inline void *get_parent(const char *devp)
 {
 	return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL;
-- 
GitLab


From 4792adbac9eb41cea77a45ab76258ea10d411173 Mon Sep 17 00:00:00 2001
From: Jon Tollefson <kniht@us.ibm.com>
Date: Tue, 21 Oct 2008 15:27:36 +0000
Subject: [PATCH 1780/2224] powerpc: Don't use a 16G page if beyond mem= limits

If mem= is used on the boot command line to limit memory then the memory block where a 16G page resides may not be available.

Thanks to Michael Ellerman for finding the problem.

Signed-off-by: Jon Tollefson <kniht@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/mm/hash_utils_64.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 5c64af17475..8d5b4758c13 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -382,8 +382,10 @@ static int __init htab_dt_scan_hugepage_blocks(unsigned long node,
 	printk(KERN_INFO "Huge page(16GB) memory: "
 			"addr = 0x%lX size = 0x%lX pages = %d\n",
 			phys_addr, block_size, expected_pages);
-	lmb_reserve(phys_addr, block_size * expected_pages);
-	add_gpage(phys_addr, block_size, expected_pages);
+	if (phys_addr + (16 * GB) <= lmb_end_of_DRAM()) {
+		lmb_reserve(phys_addr, block_size * expected_pages);
+		add_gpage(phys_addr, block_size, expected_pages);
+	}
 	return 0;
 }
 #endif /* CONFIG_HUGETLB_PAGE */
-- 
GitLab


From 54622f10a6aabb8bb2bdacf3dd070046f03dc246 Mon Sep 17 00:00:00 2001
From: Mohan Kumar M <mohan@in.ibm.com>
Date: Tue, 21 Oct 2008 17:38:10 +0000
Subject: [PATCH 1781/2224] powerpc: Support for relocatable kdump kernel

This adds relocatable kernel support for kdump. With this one can
use the same regular kernel to capture the kdump. A signature (0xfeed1234)
is passed in r6 from panic code to the next kernel through kexec_sequence
and purgatory code. The signature is used to differentiate between
kdump kernel and non-kdump kernels.

The purgatory code compares the signature and sets the __kdump_flag in
head_64.S.  During the boot up, kernel code checks __kdump_flag and if it
is set, the kernel will behave as relocatable kdump kernel. This kernel
will boot at the address where it was loaded by kexec-tools ie. at the
address reserved through crashkernel boot parameter.

CONFIG_CRASH_DUMP depends on CONFIG_RELOCATABLE option to build kdump
kernel as relocatable. So the same kernel can be used as production and
kdump kernel.

This patch incorporates the changes suggested by Paul Mackerras to avoid
GOT use and to avoid two copies of the code.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Mohan Kumar M <mohan@in.ibm.com>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 Documentation/kdump/kdump.txt          | 14 ++++--
 arch/powerpc/Kconfig                   | 10 ++--
 arch/powerpc/include/asm/kdump.h       | 17 +++++--
 arch/powerpc/kernel/crash_dump.c       |  2 +
 arch/powerpc/kernel/head_64.S          | 39 ++++++++++++---
 arch/powerpc/kernel/iommu.c            | 69 ++++++++++++++------------
 arch/powerpc/kernel/machine_kexec.c    |  2 +
 arch/powerpc/kernel/machine_kexec_64.c | 13 +++--
 arch/powerpc/kernel/misc_64.S          |  9 ++--
 arch/powerpc/platforms/cell/ras.c      |  6 +--
 arch/powerpc/platforms/pseries/iommu.c |  6 +--
 11 files changed, 121 insertions(+), 66 deletions(-)

diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt
index 0705040531a..3f4bc840da8 100644
--- a/Documentation/kdump/kdump.txt
+++ b/Documentation/kdump/kdump.txt
@@ -109,7 +109,8 @@ There are two possible methods of using Kdump.
 2) Or use the system kernel binary itself as dump-capture kernel and there is
    no need to build a separate dump-capture kernel. This is possible
    only with the architecutres which support a relocatable kernel. As
-   of today, i386, x86_64 and ia64 architectures support relocatable kernel.
+   of today, i386, x86_64, ppc64 and ia64 architectures support relocatable
+   kernel.
 
 Building a relocatable kernel is advantageous from the point of view that
 one does not have to build a second kernel for capturing the dump. But
@@ -207,8 +208,15 @@ Dump-capture kernel config options (Arch Dependent, i386 and x86_64)
 Dump-capture kernel config options (Arch Dependent, ppc64)
 ----------------------------------------------------------
 
-*  Make and install the kernel and its modules. DO NOT add this kernel
-   to the boot loader configuration files.
+1) Enable "Build a kdump crash kernel" support under "Kernel" options:
+
+   CONFIG_CRASH_DUMP=y
+
+2)   Enable "Build a relocatable kernel" support
+
+   CONFIG_RELOCATABLE=y
+
+   Make and install the kernel and its modules.
 
 Dump-capture kernel config options (Arch Dependent, ia64)
 ----------------------------------------------------------
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 369d93e7377..5b1527883fc 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -323,13 +323,11 @@ config KEXEC
 
 config CRASH_DUMP
 	bool "Build a kdump crash kernel"
-	depends on PPC_MULTIPLATFORM && PPC64
+	depends on PPC_MULTIPLATFORM && PPC64 && RELOCATABLE
 	help
 	  Build a kernel suitable for use as a kdump capture kernel.
-	  The kernel will be linked at a different address than normal, and
-	  so can only be used for Kdump.
-
-	  Don't change this unless you know what you are doing.
+	  The same kernel binary can be used as production kernel and dump
+	  capture kernel.
 
 config PHYP_DUMP
 	bool "Hypervisor-assisted dump (EXPERIMENTAL)"
@@ -829,11 +827,9 @@ config PAGE_OFFSET
 	default "0xc000000000000000"
 config KERNEL_START
 	hex
-	default "0xc000000002000000" if CRASH_DUMP
 	default "0xc000000000000000"
 config PHYSICAL_START
 	hex
-	default "0x02000000" if CRASH_DUMP
 	default "0x00000000"
 endif
 
diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h
index f6c93c71689..a503da9d56f 100644
--- a/arch/powerpc/include/asm/kdump.h
+++ b/arch/powerpc/include/asm/kdump.h
@@ -9,6 +9,12 @@
  * Reserve to the end of the FWNMI area, see head_64.S */
 #define KDUMP_RESERVE_LIMIT	0x10000 /* 64K */
 
+/*
+ * Used to differentiate between relocatable kdump kernel and other
+ * kernels
+ */
+#define KDUMP_SIGNATURE	0xfeed1234
+
 #ifdef CONFIG_CRASH_DUMP
 
 #define KDUMP_TRAMPOLINE_START	0x0100
@@ -19,17 +25,18 @@
 #endif /* CONFIG_CRASH_DUMP */
 
 #ifndef __ASSEMBLY__
-#ifdef CONFIG_CRASH_DUMP
 
+extern unsigned long __kdump_flag;
+
+#if defined(CONFIG_CRASH_DUMP) && !defined(CONFIG_RELOCATABLE)
 extern void reserve_kdump_trampoline(void);
 extern void setup_kdump_trampoline(void);
-
-#else /* !CONFIG_CRASH_DUMP */
-
+#else
+/* !CRASH_DUMP || RELOCATABLE */
 static inline void reserve_kdump_trampoline(void) { ; }
 static inline void setup_kdump_trampoline(void) { ; }
+#endif
 
-#endif /* CONFIG_CRASH_DUMP */
 #endif /* __ASSEMBLY__ */
 
 #endif /* __PPC64_KDUMP_H */
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 97e05637972..19671aca659 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -30,6 +30,7 @@
 /* Stores the physical address of elf header of crash image. */
 unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
 
+#ifndef CONFIG_RELOCATABLE
 void __init reserve_kdump_trampoline(void)
 {
 	lmb_reserve(0, KDUMP_RESERVE_LIMIT);
@@ -68,6 +69,7 @@ void __init setup_kdump_trampoline(void)
 
 	DBG(" <- setup_kdump_trampoline()\n");
 }
+#endif /* CONFIG_RELOCATABLE */
 
 /*
  * Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 84856bee33a..69489bd3210 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -97,6 +97,12 @@ __secondary_hold_spinloop:
 __secondary_hold_acknowledge:
 	.llong	0x0
 
+	/* This flag is set by purgatory if we should be a kdump kernel. */
+	/* Do not move this variable as purgatory knows about it. */
+	.globl	__kdump_flag
+__kdump_flag:
+	.llong	0x0
+
 #ifdef CONFIG_PPC_ISERIES
 	/*
 	 * At offset 0x20, there is a pointer to iSeries LPAR data.
@@ -1384,7 +1390,13 @@ _STATIC(__after_prom_start)
 	/* process relocations for the final address of the kernel */
 	lis	r25,PAGE_OFFSET@highest	/* compute virtual base of kernel */
 	sldi	r25,r25,32
-	mr	r3,r25
+#ifdef CONFIG_CRASH_DUMP
+	ld	r7,__kdump_flag-_stext(r26)
+	cmpldi	cr0,r7,1	/* kdump kernel ? - stay where we are */
+	bne	1f
+	add	r25,r25,r26
+#endif
+1:	mr	r3,r25
 	bl	.relocate
 #endif
 
@@ -1398,11 +1410,26 @@ _STATIC(__after_prom_start)
 	li	r3,0			/* target addr */
 	mr.	r4,r26			/* In some cases the loader may  */
 	beq	9f			/* have already put us at zero */
-	lis	r5,(copy_to_here - _stext)@ha
-	addi	r5,r5,(copy_to_here - _stext)@l /* # bytes of memory to copy */
 	li	r6,0x100		/* Start offset, the first 0x100 */
 					/* bytes were copied earlier.	 */
 
+#ifdef CONFIG_CRASH_DUMP
+/*
+ * Check if the kernel has to be running as relocatable kernel based on the
+ * variable __kdump_flag, if it is set the kernel is treated as relocatable
+ * kernel, otherwise it will be moved to PHYSICAL_START
+ */
+	ld	r7,__kdump_flag-_stext(r26)
+	cmpldi	cr0,r7,1
+	bne	3f
+
+	li	r5,__end_interrupts - _stext	/* just copy interrupts */
+	b	5f
+3:
+#endif
+	lis	r5,(copy_to_here - _stext)@ha
+	addi	r5,r5,(copy_to_here - _stext)@l /* # bytes of memory to copy */
+
 	bl	.copy_and_flush		/* copy the first n bytes	 */
 					/* this includes the code being	 */
 					/* executed here.		 */
@@ -1411,15 +1438,15 @@ _STATIC(__after_prom_start)
 	mtctr	r8
 	bctr
 
+p_end:	.llong	_end - _stext
+
 4:	/* Now copy the rest of the kernel up to _end */
 	addis	r5,r26,(p_end - _stext)@ha
 	ld	r5,(p_end - _stext)@l(r5)	/* get _end */
-	bl	.copy_and_flush		/* copy the rest */
+5:	bl	.copy_and_flush		/* copy the rest */
 
 9:	b	.start_here_multiplatform
 
-p_end:	.llong	_end - _stext
-
 /*
  * Copy routine used to copy the kernel to start at physical address 0
  * and flush and invalidate the caches as needed.
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index ea1ba89f9c9..3857d7e2af0 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -458,6 +458,42 @@ void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist,
 	spin_unlock_irqrestore(&(tbl->it_lock), flags);
 }
 
+static void iommu_table_clear(struct iommu_table *tbl)
+{
+	if (!__kdump_flag) {
+		/* Clear the table in case firmware left allocations in it */
+		ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size);
+		return;
+	}
+
+#ifdef CONFIG_CRASH_DUMP
+	if (ppc_md.tce_get) {
+		unsigned long index, tceval, tcecount = 0;
+
+		/* Reserve the existing mappings left by the first kernel. */
+		for (index = 0; index < tbl->it_size; index++) {
+			tceval = ppc_md.tce_get(tbl, index + tbl->it_offset);
+			/*
+			 * Freed TCE entry contains 0x7fffffffffffffff on JS20
+			 */
+			if (tceval && (tceval != 0x7fffffffffffffffUL)) {
+				__set_bit(index, tbl->it_map);
+				tcecount++;
+			}
+		}
+
+		if ((tbl->it_size - tcecount) < KDUMP_MIN_TCE_ENTRIES) {
+			printk(KERN_WARNING "TCE table is full; freeing ");
+			printk(KERN_WARNING "%d entries for the kdump boot\n",
+				KDUMP_MIN_TCE_ENTRIES);
+			for (index = tbl->it_size - KDUMP_MIN_TCE_ENTRIES;
+				index < tbl->it_size; index++)
+				__clear_bit(index, tbl->it_map);
+		}
+	}
+#endif
+}
+
 /*
  * Build a iommu_table structure.  This contains a bit map which
  * is used to manage allocation of the tce space.
@@ -484,38 +520,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid)
 	tbl->it_largehint = tbl->it_halfpoint;
 	spin_lock_init(&tbl->it_lock);
 
-#ifdef CONFIG_CRASH_DUMP
-	if (ppc_md.tce_get) {
-		unsigned long index;
-		unsigned long tceval;
-		unsigned long tcecount = 0;
-
-		/*
-		 * Reserve the existing mappings left by the first kernel.
-		 */
-		for (index = 0; index < tbl->it_size; index++) {
-			tceval = ppc_md.tce_get(tbl, index + tbl->it_offset);
-			/*
-			 * Freed TCE entry contains 0x7fffffffffffffff on JS20
-			 */
-			if (tceval && (tceval != 0x7fffffffffffffffUL)) {
-				__set_bit(index, tbl->it_map);
-				tcecount++;
-			}
-		}
-		if ((tbl->it_size - tcecount) < KDUMP_MIN_TCE_ENTRIES) {
-			printk(KERN_WARNING "TCE table is full; ");
-			printk(KERN_WARNING "freeing %d entries for the kdump boot\n",
-				KDUMP_MIN_TCE_ENTRIES);
-			for (index = tbl->it_size - KDUMP_MIN_TCE_ENTRIES;
-				index < tbl->it_size; index++)
-				__clear_bit(index, tbl->it_map);
-		}
-	}
-#else
-	/* Clear the hardware table in case firmware left allocations in it */
-	ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size);
-#endif
+	iommu_table_clear(tbl);
 
 	if (!welcomed) {
 		printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n",
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index aab76887a84..ac2a21f45c7 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -88,11 +88,13 @@ void __init reserve_crashkernel(void)
 
 	crash_size = crashk_res.end - crashk_res.start + 1;
 
+#ifndef CONFIG_RELOCATABLE
 	if (crashk_res.start != KDUMP_KERNELBASE)
 		printk("Crash kernel location must be 0x%x\n",
 				KDUMP_KERNELBASE);
 
 	crashk_res.start = KDUMP_KERNELBASE;
+#endif
 	crash_size = PAGE_ALIGN(crash_size);
 	crashk_res.end = crashk_res.start + crash_size - 1;
 
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index 4bd8b4f5e70..e6efec788c4 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -255,11 +255,14 @@ static union thread_union kexec_stack
 /* Our assembly helper, in kexec_stub.S */
 extern NORET_TYPE void kexec_sequence(void *newstack, unsigned long start,
 					void *image, void *control,
-					void (*clear_all)(void)) ATTRIB_NORET;
+					void (*clear_all)(void),
+					unsigned long kdump_flag) ATTRIB_NORET;
 
 /* too late to fail here */
 void default_machine_kexec(struct kimage *image)
 {
+	unsigned long kdump_flag = 0;
+
 	/* prepare control code if any */
 
 	/*
@@ -270,8 +273,10 @@ void default_machine_kexec(struct kimage *image)
         * using debugger IPI.
         */
 
-       if (crashing_cpu == -1)
-               kexec_prepare_cpus();
+	if (crashing_cpu == -1)
+		kexec_prepare_cpus();
+	else
+		kdump_flag = KDUMP_SIGNATURE;
 
 	/* switch to a staticly allocated stack.  Based on irq stack code.
 	 * XXX: the task struct will likely be invalid once we do the copy!
@@ -284,7 +289,7 @@ void default_machine_kexec(struct kimage *image)
 	 */
 	kexec_sequence(&kexec_stack, image->start, image,
 			page_address(image->control_code_page),
-			ppc_md.hpte_clear_all);
+			ppc_md.hpte_clear_all, kdump_flag);
 	/* NOTREACHED */
 }
 
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 3053fe5c62f..a243fd072a7 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -611,10 +611,12 @@ real_mode:	/* assume normal blr return */
 
 
 /*
- * kexec_sequence(newstack, start, image, control, clear_all())
+ * kexec_sequence(newstack, start, image, control, clear_all(), kdump_flag)
  *
  * does the grungy work with stack switching and real mode switches
  * also does simple calls to other code
+ *
+ * kdump_flag says whether the next kernel should be a kdump kernel.
  */
 
 _GLOBAL(kexec_sequence)
@@ -647,7 +649,7 @@ _GLOBAL(kexec_sequence)
 	mr	r29,r5			/* image (virt) */
 	mr	r28,r6			/* control, unused */
 	mr	r27,r7			/* clear_all() fn desc */
-	mr	r26,r8			/* spare */
+	mr	r26,r8			/* kdump flag */
 	lhz	r25,PACAHWCPUID(r13)	/* get our phys cpu from paca */
 
 	/* disable interrupts, we are overwriting kernel data next */
@@ -709,5 +711,6 @@ _GLOBAL(kexec_sequence)
 	mr	r4,r30	# start, aka phys mem offset
 	mtlr	4
 	li	r5,0
-	blr	/* image->start(physid, image->start, 0); */
+	mr	r6,r26			/* kdump_flag */
+	blr	/* image->start(physid, image->start, 0, kdump_flag); */
 #endif /* CONFIG_KEXEC */
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index 2a14b052abc..665af1c4195 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -21,6 +21,7 @@
 #include <asm/machdep.h>
 #include <asm/rtas.h>
 #include <asm/cell-regs.h>
+#include <asm/kdump.h>
 
 #include "ras.h"
 
@@ -111,9 +112,8 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order)
 	int ret = -ENOMEM;
 	unsigned long addr;
 
-#ifdef CONFIG_CRASH_DUMP
-	rtas_call(ptcal_stop_tok, 1, 1, NULL, nid);
-#endif
+	if (__kdump_flag)
+		rtas_call(ptcal_stop_tok, 1, 1, NULL, nid);
 
 	area = kmalloc(sizeof(*area), GFP_KERNEL);
 	if (!area)
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index a8c446697f9..d56491d182d 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -44,6 +44,7 @@
 #include <asm/tce.h>
 #include <asm/ppc-pci.h>
 #include <asm/udbg.h>
+#include <asm/kdump.h>
 
 #include "plpar_wrappers.h"
 
@@ -291,9 +292,8 @@ static void iommu_table_setparms(struct pci_controller *phb,
 
 	tbl->it_base = (unsigned long)__va(*basep);
 
-#ifndef CONFIG_CRASH_DUMP
-	memset((void *)tbl->it_base, 0, *sizep);
-#endif
+	if (!__kdump_flag)
+		memset((void *)tbl->it_base, 0, *sizep);
 
 	tbl->it_busno = phb->bus->number;
 
-- 
GitLab


From 8bcad30f2e6d4c20f7e71d2e2ac77acc0f0931e5 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 21 Oct 2008 19:49:09 -0400
Subject: [PATCH 1782/2224] x86: make variables static

These variables are only used in their source files, so make them static.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/boot/video-bios.c | 4 ++--
 arch/x86/boot/video-vesa.c | 4 ++--
 arch/x86/kernel/xsave.c    | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/boot/video-bios.c b/arch/x86/boot/video-bios.c
index 49f26aaaebc..3fa979c9c36 100644
--- a/arch/x86/boot/video-bios.c
+++ b/arch/x86/boot/video-bios.c
@@ -17,7 +17,7 @@
 #include "boot.h"
 #include "video.h"
 
-__videocard video_bios;
+static __videocard video_bios;
 
 /* Set a conventional BIOS mode */
 static int set_bios_mode(u8 mode);
@@ -119,7 +119,7 @@ static int bios_probe(void)
 	return nmodes;
 }
 
-__videocard video_bios =
+static __videocard video_bios =
 {
 	.card_name	= "BIOS",
 	.probe		= bios_probe,
diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 99b3079dc6a..75115849af3 100644
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -20,7 +20,7 @@
 static struct vesa_general_info vginfo;
 static struct vesa_mode_info vminfo;
 
-__videocard video_vesa;
+static __videocard video_vesa;
 
 #ifndef _WAKEUP
 static void vesa_store_mode_params_graphics(void);
@@ -293,7 +293,7 @@ void vesa_store_edid(void)
 
 #endif /* not _WAKEUP */
 
-__videocard video_vesa =
+static __videocard video_vesa =
 {
 	.card_name	= "VESA",
 	.probe		= vesa_probe,
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index 9abac8a9d82..b13acb75e82 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -248,7 +248,7 @@ clear:
  * This will be saved when ever the FP and extended state context is
  * saved on the user stack during the signal handler delivery to the user.
  */
-void prepare_fx_sw_frame(void)
+static void prepare_fx_sw_frame(void)
 {
 	int size_extended = (xstate_size - sizeof(struct i387_fxsave_struct)) +
 			     FP_XSTATE_MAGIC2_SIZE;
-- 
GitLab


From da74ae3e32374755e0fbdfed4074cf839a82f615 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Tue, 21 Oct 2008 20:28:04 -0700
Subject: [PATCH 1783/2224] ALSA: hda - correct bracketing in spdif test in
 patch_sigmatel.c

Noticed by sparse:
sound/pci/hda/patch_sigmatel.c:1285:43: warning: dubious: !x & y

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index a2ac7205d45..788fdc6f326 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1282,7 +1282,7 @@ static int stac92xx_build_controls(struct hda_codec *codec)
 			return err;
 		spec->multiout.share_spdif = 1;
 	}
-	if (spec->dig_in_nid && (!spec->gpio_dir & 0x01)) {
+	if (spec->dig_in_nid && !(spec->gpio_dir & 0x01)) {
 		err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
 		if (err < 0)
 			return err;
-- 
GitLab


From 22ee3ba611e0aa73228ae64fa68d89c52367702a Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Oct 2008 18:25:39 +0900
Subject: [PATCH 1784/2224] sh: use 10MHz VIO_CLK for ov772x on Migo-R

Use a slower VIO_CKO clock frequency for the ov772x on Migo-R.
This improves the camera picture quality on Panel Board V2.1.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-migor/setup.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index b4471931b87..97528198029 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -288,8 +288,11 @@ static struct clk *camera_clk;
 
 static void camera_power_on(void)
 {
+	/* Use 10 MHz VIO_CKO instead of 24 MHz to work
+	 * around signal quality issues on Panel Board V2.1.
+	 */
 	camera_clk = clk_get(NULL, "video_clk");
-	clk_set_rate(camera_clk, 24000000);
+	clk_set_rate(camera_clk, 10000000);
 	clk_enable(camera_clk);	/* start VIO_CKO */
 
 	/* use VIO_RST to take camera out of reset */
-- 
GitLab


From 42eed42bac41c8106ed52b6b84409d84c0981e36 Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Wed, 22 Oct 2008 18:29:17 +0900
Subject: [PATCH 1785/2224] sh: improve pinmux support for single direction
 pins

This patch improves the support for gpio pins that are hard wired
to either input or output and lack control register association.
A special force enum id is used to allow use without control
register but still mark the gpio pin as input or output.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/gpio.h              |  1 +
 arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c | 43 ++++++++++++-------------
 arch/sh/kernel/gpio.c                   |  6 +++-
 3 files changed, 27 insertions(+), 23 deletions(-)

diff --git a/arch/sh/include/asm/gpio.h b/arch/sh/include/asm/gpio.h
index 02de5b609ba..74c31a678a5 100644
--- a/arch/sh/include/asm/gpio.h
+++ b/arch/sh/include/asm/gpio.h
@@ -64,6 +64,7 @@ struct pinmux_data_reg {
 struct pinmux_range {
 	pinmux_enum_t begin;
 	pinmux_enum_t end;
+	pinmux_enum_t force;
 };
 
 struct pinmux_info {
diff --git a/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
index 6fbc2aa1083..c465af7283f 100644
--- a/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/pinmux-sh7203.c
@@ -46,11 +46,10 @@ enum {
 	PINMUX_DATA_END,
 
 	PINMUX_INPUT_BEGIN,
+	FORCE_IN,
 	PA7_IN, PA6_IN, PA5_IN, PA4_IN,
 	PA3_IN, PA2_IN, PA1_IN, PA0_IN,
 	PB11_IN, PB10_IN, PB9_IN, PB8_IN,
-	PB7_IN, PB6_IN, PB5_IN, PB4_IN,
-	PB3_IN, PB2_IN, PB1_IN, PB0_IN,
 	PC14_IN, PC13_IN, PC12_IN,
 	PC11_IN, PC10_IN, PC9_IN, PC8_IN,
 	PC7_IN, PC6_IN, PC5_IN, PC4_IN,
@@ -74,7 +73,7 @@ enum {
 	PINMUX_INPUT_END,
 
 	PINMUX_OUTPUT_BEGIN,
-	PB12_OUT,
+	FORCE_OUT,
 	PB11_OUT, PB10_OUT, PB9_OUT, PB8_OUT,
 	PC14_OUT, PC13_OUT, PC12_OUT,
 	PC11_OUT, PC10_OUT, PC9_OUT, PC8_OUT,
@@ -285,7 +284,7 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(PA0_DATA, PA0_IN),
 
 	/* PB */
-	PINMUX_DATA(PB12_DATA, PB12MD_00, PB12_OUT),
+	PINMUX_DATA(PB12_DATA, PB12MD_00, FORCE_OUT),
 	PINMUX_DATA(WDTOVF_MARK, PB12MD_01),
 	PINMUX_DATA(IRQOUT_MARK, PB12MD_10, PB12IRQ_00),
 	PINMUX_DATA(REFOUT_MARK, PB12MD_10, PB12IRQ_01),
@@ -306,42 +305,42 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(CRX0_MARK, PB8MD_01),
 	PINMUX_DATA(CRX0_CRX1_MARK, PB8MD_10),
 
-	PINMUX_DATA(PB7_DATA, PB7MD_00, PB7_IN),
+	PINMUX_DATA(PB7_DATA, PB7MD_00, FORCE_IN),
 	PINMUX_DATA(SDA3_MARK, PB7MD_01),
 	PINMUX_DATA(PINT7_PB_MARK, PB7MD_10),
 	PINMUX_DATA(IRQ7_PB_MARK, PB7MD_11),
 
-	PINMUX_DATA(PB6_DATA, PB6MD_00, PB6_IN),
+	PINMUX_DATA(PB6_DATA, PB6MD_00, FORCE_IN),
 	PINMUX_DATA(SCL3_MARK, PB6MD_01),
 	PINMUX_DATA(PINT6_PB_MARK, PB6MD_10),
 	PINMUX_DATA(IRQ6_PB_MARK, PB6MD_11),
 
-	PINMUX_DATA(PB5_DATA, PB5MD_00, PB5_IN),
+	PINMUX_DATA(PB5_DATA, PB5MD_00, FORCE_IN),
 	PINMUX_DATA(SDA2_MARK, PB6MD_01),
 	PINMUX_DATA(PINT5_PB_MARK, PB6MD_10),
 	PINMUX_DATA(IRQ5_PB_MARK, PB6MD_11),
 
-	PINMUX_DATA(PB4_DATA, PB4MD_00, PB4_IN),
+	PINMUX_DATA(PB4_DATA, PB4MD_00, FORCE_IN),
 	PINMUX_DATA(SCL2_MARK, PB4MD_01),
 	PINMUX_DATA(PINT4_PB_MARK, PB4MD_10),
 	PINMUX_DATA(IRQ4_PB_MARK, PB4MD_11),
 
-	PINMUX_DATA(PB3_DATA, PB3MD_00, PB3_IN),
+	PINMUX_DATA(PB3_DATA, PB3MD_00, FORCE_IN),
 	PINMUX_DATA(SDA1_MARK, PB3MD_01),
 	PINMUX_DATA(PINT3_PB_MARK, PB3MD_10),
 	PINMUX_DATA(IRQ3_PB_MARK, PB3MD_11),
 
-	PINMUX_DATA(PB2_DATA, PB2MD_00, PB2_IN),
+	PINMUX_DATA(PB2_DATA, PB2MD_00, FORCE_IN),
 	PINMUX_DATA(SCL1_MARK, PB2MD_01),
 	PINMUX_DATA(PINT2_PB_MARK, PB2MD_10),
 	PINMUX_DATA(IRQ2_PB_MARK, PB2MD_11),
 
-	PINMUX_DATA(PB1_DATA, PB1MD_00, PB1_IN),
+	PINMUX_DATA(PB1_DATA, PB1MD_00, FORCE_IN),
 	PINMUX_DATA(SDA0_MARK, PB1MD_01),
 	PINMUX_DATA(PINT1_PB_MARK, PB1MD_10),
 	PINMUX_DATA(IRQ1_PB_MARK, PB1MD_11),
 
-	PINMUX_DATA(PB0_DATA, PB0MD_00, PB0_IN),
+	PINMUX_DATA(PB0_DATA, PB0MD_00, FORCE_IN),
 	PINMUX_DATA(SCL0_MARK, PB0MD_01),
 	PINMUX_DATA(PINT0_PB_MARK, PB0MD_10),
 	PINMUX_DATA(IRQ0_PB_MARK, PB0MD_11),
@@ -1083,14 +1082,14 @@ static struct pinmux_cfg_reg pinmux_config_regs[] = {
 		PB10_IN, PB10_OUT,
 		PB9_IN, PB9_OUT,
 		PB8_IN, PB8_OUT,
-		PB7_IN, 0,
-		PB6_IN, 0,
-		PB5_IN, 0,
-		PB4_IN, 0,
-		PB3_IN, 0,
-		PB2_IN, 0,
-		PB1_IN, 0,
-		PB0_IN, 0 }
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0 }
 	},
 	{ PINMUX_CFG_REG("PBCRL4", 0xfffe3890, 16, 4) {
 		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1575,8 +1574,8 @@ static struct pinmux_info sh7203_pinmux_info = {
 	.name = "sh7203_pfc",
 	.reserved_id = PINMUX_RESERVED,
 	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
-	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
-	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END, FORCE_IN },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END, FORCE_OUT },
 	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
 	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
 
diff --git a/arch/sh/kernel/gpio.c b/arch/sh/kernel/gpio.c
index 9ac0b8e6c21..d3716536103 100644
--- a/arch/sh/kernel/gpio.c
+++ b/arch/sh/kernel/gpio.c
@@ -267,9 +267,13 @@ int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
 			break;
 
 		in_range = enum_in_range(enum_id, &gpioc->function);
-		if (!in_range && range)
+		if (!in_range && range) {
 			in_range = enum_in_range(enum_id, range);
 
+			if (in_range && enum_id == range->force)
+				continue;
+		}
+
 		if (!in_range)
 			continue;
 
-- 
GitLab


From 1637de0c9b4dbac0f185e94b2b8cd2c2db78700d Mon Sep 17 00:00:00 2001
From: Brian Swetland <swetland@google.com>
Date: Tue, 9 Sep 2008 07:13:33 -0700
Subject: [PATCH 1786/2224] [ARM] msm: rename ARCH_MSM7X00A to ARCH_MSM

The MSM architecture covers a wider family of chips than just the MSM7X00A.
Move to a more generic name, in perparation for supporting the specific
SoC variants as sub-architectures (ARCH_MSM7X01A, ARCH_MSM722X, etc).  This
gives us ARCH_MSM for the (many) common peripherals.

This also removes the unused/obsolete config item MSM7X00A_IDLE.

Signed-off-by: Brian Swetland <swetland@google.com>
---
 arch/arm/Kconfig               |  9 ++++-----
 arch/arm/Makefile              |  2 +-
 arch/arm/configs/msm_defconfig |  2 +-
 arch/arm/mach-msm/Kconfig      | 17 ++++++-----------
 arch/arm/mm/Kconfig            |  4 ++--
 5 files changed, 14 insertions(+), 20 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index df39d20f742..c8ac9941f19 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -540,16 +540,15 @@ config ARCH_OMAP
 	help
 	  Support for TI's OMAP platform (OMAP1 and OMAP2).
 
-config ARCH_MSM7X00A
-	bool "Qualcomm MSM7X00A"
+config ARCH_MSM
+	bool "Qualcomm MSM"
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
 	help
-	  Support for Qualcomm MSM7X00A based systems.  This runs on the ARM11
-	  apps processor of the MSM7X00A and depends on a shared memory
+	  Support for Qualcomm MSM7K based systems.  This runs on the ARM11
+	  apps processor of the MSM7K and depends on a shared memory
 	  interface to the ARM9 modem processor which runs the baseband stack
 	  and controls some vital subsystems (clock and power control, etc).
-	  <http://www.cdmatech.com/products/msm7200_chipset_solution.jsp>
 
 endchoice
 
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 7d5121260fd..bd6e28115eb 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -141,7 +141,7 @@ endif
  machine-$(CONFIG_ARCH_MX3)	   := mx3
  machine-$(CONFIG_ARCH_ORION5X)	   := orion5x
     plat-$(CONFIG_PLAT_ORION)	   := orion
- machine-$(CONFIG_ARCH_MSM7X00A)   := msm
+ machine-$(CONFIG_ARCH_MSM)	   := msm
  machine-$(CONFIG_ARCH_LOKI)       := loki
  machine-$(CONFIG_ARCH_MV78XX0)    := mv78xx0
 
diff --git a/arch/arm/configs/msm_defconfig b/arch/arm/configs/msm_defconfig
index ae4c5e62086..3b4ecf2a90d 100644
--- a/arch/arm/configs/msm_defconfig
+++ b/arch/arm/configs/msm_defconfig
@@ -133,7 +133,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory"
 # CONFIG_ARCH_LH7A40X is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-CONFIG_ARCH_MSM7X00A=y
+CONFIG_ARCH_MSM=y
 
 #
 # Boot options
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 3553babbbf0..d140abca690 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -1,18 +1,13 @@
-if ARCH_MSM7X00A
+if ARCH_MSM
 
-comment "MSM7X00A Board Type"
-	depends on ARCH_MSM7X00A
+comment "MSM Board Type"
+	depends on ARCH_MSM
 
 config MACH_HALIBUT
-	depends on ARCH_MSM7X00A
+	depends on ARCH_MSM
 	default y
-	bool "Halibut Board (QCT SURF7200A)"
+	bool "Halibut Board (QCT SURF7201A)"
 	help
-	  Support for the Qualcomm SURF7200A eval board.
-
-config MSM7X00A_IDLE
-	depends on ARCH_MSM7X00A
-	default y
-	bool "Idle Support for MSM7X00A"
+	  Support for the Qualcomm SURF7201A eval board.
 
 endif
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index d1193884d76..ab5f7a21350 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -400,9 +400,9 @@ config CPU_FEROCEON_OLD_ID
 # ARMv6
 config CPU_V6
 	bool "Support ARM V6 processor"
-	depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3 || ARCH_MSM7X00A || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176
+	depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3 || ARCH_MSM || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176
 	default y if ARCH_MX3
-	default y if ARCH_MSM7X00A
+	default y if ARCH_MSM
 	select CPU_32v6
 	select CPU_ABRT_EV6
 	select CPU_PABRT_NOIFAR
-- 
GitLab


From b8a16e1fdfe9caed734df0e157ad74ae2b13e3bd Mon Sep 17 00:00:00 2001
From: Brian Swetland <swetland@google.com>
Date: Tue, 9 Sep 2008 09:36:50 -0700
Subject: [PATCH 1787/2224] [ARM] msm: add proc_comm support, necessary for
 clock and power control

The proc_comm protocol is the lowest level protocol available for
communicating with the modem core.  It provides access to clock and
power control, among other things, and is safe for use from atomic
contexts, unlike the higher level SMD and RPC transports.

Signed-off-by: Brian Swetland <swetland@google.com>
---
 arch/arm/mach-msm/Makefile    |   1 +
 arch/arm/mach-msm/proc_comm.c | 110 +++++++++++++++++++++++
 arch/arm/mach-msm/proc_comm.h | 165 ++++++++++++++++++++++++++++++++++
 3 files changed, 276 insertions(+)
 create mode 100644 arch/arm/mach-msm/proc_comm.c
 create mode 100644 arch/arm/mach-msm/proc_comm.h

diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index d12f2365585..ae96ffff494 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -1,4 +1,5 @@
 obj-y += io.o idle.o irq.o timer.o dma.o
+obj-y += proc_comm.o
 
 # Common code for board init
 obj-y += common.o
diff --git a/arch/arm/mach-msm/proc_comm.c b/arch/arm/mach-msm/proc_comm.c
new file mode 100644
index 00000000000..915ee704ed3
--- /dev/null
+++ b/arch/arm/mach-msm/proc_comm.c
@@ -0,0 +1,110 @@
+/* arch/arm/mach-msm/proc_comm.c
+ *
+ * Copyright (C) 2007-2008 Google, Inc.
+ * Author: Brian Swetland <swetland@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+#include <mach/msm_iomap.h>
+#include <mach/system.h>
+
+#include "proc_comm.h"
+
+#define MSM_A2M_INT(n) (MSM_CSR_BASE + 0x400 + (n) * 4)
+
+static inline void notify_other_proc_comm(void)
+{
+	writel(1, MSM_A2M_INT(6));
+}
+
+#define APP_COMMAND 0x00
+#define APP_STATUS  0x04
+#define APP_DATA1   0x08
+#define APP_DATA2   0x0C
+
+#define MDM_COMMAND 0x10
+#define MDM_STATUS  0x14
+#define MDM_DATA1   0x18
+#define MDM_DATA2   0x1C
+
+static DEFINE_SPINLOCK(proc_comm_lock);
+
+/* The higher level SMD support will install this to
+ * provide a way to check for and handle modem restart.
+ */
+int (*msm_check_for_modem_crash)(void);
+
+/* Poll for a state change, checking for possible
+ * modem crashes along the way (so we don't wait
+ * forever while the ARM9 is blowing up).
+ *
+ * Return an error in the event of a modem crash and
+ * restart so the msm_proc_comm() routine can restart
+ * the operation from the beginning.
+ */
+static int proc_comm_wait_for(void __iomem *addr, unsigned value)
+{
+	for (;;) {
+		if (readl(addr) == value)
+			return 0;
+
+		if (msm_check_for_modem_crash)
+			if (msm_check_for_modem_crash())
+				return -EAGAIN;
+	}
+}
+
+int msm_proc_comm(unsigned cmd, unsigned *data1, unsigned *data2)
+{
+	void __iomem *base = MSM_SHARED_RAM_BASE;
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&proc_comm_lock, flags);
+
+	for (;;) {
+		if (proc_comm_wait_for(base + MDM_STATUS, PCOM_READY))
+			continue;
+
+		writel(cmd, base + APP_COMMAND);
+		writel(data1 ? *data1 : 0, base + APP_DATA1);
+		writel(data2 ? *data2 : 0, base + APP_DATA2);
+
+		notify_other_proc_comm();
+
+		if (proc_comm_wait_for(base + APP_COMMAND, PCOM_CMD_DONE))
+			continue;
+
+		if (readl(base + APP_STATUS) != PCOM_CMD_FAIL) {
+			if (data1)
+				*data1 = readl(base + APP_DATA1);
+			if (data2)
+				*data2 = readl(base + APP_DATA2);
+			ret = 0;
+		} else {
+			ret = -EIO;
+		}
+		break;
+	}
+
+	writel(PCOM_CMD_IDLE, base + APP_COMMAND);
+
+	spin_unlock_irqrestore(&proc_comm_lock, flags);
+
+	return ret;
+}
+
+
diff --git a/arch/arm/mach-msm/proc_comm.h b/arch/arm/mach-msm/proc_comm.h
new file mode 100644
index 00000000000..834760f2569
--- /dev/null
+++ b/arch/arm/mach-msm/proc_comm.h
@@ -0,0 +1,165 @@
+/* arch/arm/mach-msm/proc_comm.h
+ *
+ * Copyright (c) 2007 QUALCOMM Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _ARCH_ARM_MACH_MSM_PROC_COMM_H_
+#define _ARCH_ARM_MACH_MSM_PROC_COMM_H_
+
+enum {
+	PCOM_CMD_IDLE = 0x0,
+	PCOM_CMD_DONE,
+	PCOM_RESET_APPS,
+	PCOM_RESET_CHIP,
+	PCOM_CONFIG_NAND_MPU,
+	PCOM_CONFIG_USB_CLKS,
+	PCOM_GET_POWER_ON_STATUS,
+	PCOM_GET_WAKE_UP_STATUS,
+	PCOM_GET_BATT_LEVEL,
+	PCOM_CHG_IS_CHARGING,
+	PCOM_POWER_DOWN,
+	PCOM_USB_PIN_CONFIG,
+	PCOM_USB_PIN_SEL,
+	PCOM_SET_RTC_ALARM,
+	PCOM_NV_READ,
+	PCOM_NV_WRITE,
+	PCOM_GET_UUID_HIGH,
+	PCOM_GET_UUID_LOW,
+	PCOM_GET_HW_ENTROPY,
+	PCOM_RPC_GPIO_TLMM_CONFIG_REMOTE,
+	PCOM_CLKCTL_RPC_ENABLE,
+	PCOM_CLKCTL_RPC_DISABLE,
+	PCOM_CLKCTL_RPC_RESET,
+	PCOM_CLKCTL_RPC_SET_FLAGS,
+	PCOM_CLKCTL_RPC_SET_RATE,
+	PCOM_CLKCTL_RPC_MIN_RATE,
+	PCOM_CLKCTL_RPC_MAX_RATE,
+	PCOM_CLKCTL_RPC_RATE,
+	PCOM_CLKCTL_RPC_PLL_REQUEST,
+	PCOM_CLKCTL_RPC_ENABLED,
+	PCOM_VREG_SWITCH,
+	PCOM_VREG_SET_LEVEL,
+	PCOM_GPIO_TLMM_CONFIG_GROUP,
+	PCOM_GPIO_TLMM_UNCONFIG_GROUP,
+	PCOM_NV_WRITE_BYTES_4_7,
+	PCOM_CONFIG_DISP,
+	PCOM_GET_FTM_BOOT_COUNT,
+	PCOM_RPC_GPIO_TLMM_CONFIG_EX,
+	PCOM_PM_MPP_CONFIG,
+	PCOM_GPIO_IN,
+	PCOM_GPIO_OUT,
+	PCOM_RESET_MODEM,
+	PCOM_RESET_CHIP_IMM,
+	PCOM_PM_VID_EN,
+	PCOM_VREG_PULLDOWN,
+	PCOM_NUM_CMDS,
+};
+
+enum {
+	 PCOM_INVALID_STATUS = 0x0,
+	 PCOM_READY,
+	 PCOM_CMD_RUNNING,
+	 PCOM_CMD_SUCCESS,
+	 PCOM_CMD_FAIL,
+};
+
+/* List of VREGs that support the Pull Down Resistor setting. */
+enum {
+	PM_VREG_PDOWN_MSMA_ID,
+	PM_VREG_PDOWN_MSMP_ID,
+	PM_VREG_PDOWN_MSME1_ID,	/* Not supported in Panoramix */
+	PM_VREG_PDOWN_MSMC1_ID,	/* Not supported in PM6620 */
+	PM_VREG_PDOWN_MSMC2_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP3_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_MSME2_ID,	/* Supported in PM7500 and Panoramix only */
+	PM_VREG_PDOWN_GP4_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP1_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_TCXO_ID,
+	PM_VREG_PDOWN_PA_ID,
+	PM_VREG_PDOWN_RFTX_ID,
+	PM_VREG_PDOWN_RFRX1_ID,
+	PM_VREG_PDOWN_RFRX2_ID,
+	PM_VREG_PDOWN_SYNT_ID,
+	PM_VREG_PDOWN_WLAN_ID,
+	PM_VREG_PDOWN_USB_ID,
+	PM_VREG_PDOWN_MMC_ID,
+	PM_VREG_PDOWN_RUIM_ID,
+	PM_VREG_PDOWN_MSMC0_ID,	/* Supported in PM6610 only */
+	PM_VREG_PDOWN_GP2_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP5_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP6_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_RF_ID,
+	PM_VREG_PDOWN_RF_VCO_ID,
+	PM_VREG_PDOWN_MPLL_ID,
+	PM_VREG_PDOWN_S2_ID,
+	PM_VREG_PDOWN_S3_ID,
+	PM_VREG_PDOWN_RFUBM_ID,
+
+	/* new for HAN */
+	PM_VREG_PDOWN_RF1_ID,
+	PM_VREG_PDOWN_RF2_ID,
+	PM_VREG_PDOWN_RFA_ID,
+	PM_VREG_PDOWN_CDC2_ID,
+	PM_VREG_PDOWN_RFTX2_ID,
+	PM_VREG_PDOWN_USIM_ID,
+	PM_VREG_PDOWN_USB2P6_ID,
+	PM_VREG_PDOWN_USB3P3_ID,
+	PM_VREG_PDOWN_INVALID_ID,
+
+	/* backward compatible enums only */
+	PM_VREG_PDOWN_CAM_ID = PM_VREG_PDOWN_GP1_ID,
+	PM_VREG_PDOWN_MDDI_ID = PM_VREG_PDOWN_GP2_ID,
+	PM_VREG_PDOWN_RUIM2_ID = PM_VREG_PDOWN_GP3_ID,
+	PM_VREG_PDOWN_AUX_ID = PM_VREG_PDOWN_GP4_ID,
+	PM_VREG_PDOWN_AUX2_ID = PM_VREG_PDOWN_GP5_ID,
+	PM_VREG_PDOWN_BT_ID = PM_VREG_PDOWN_GP6_ID,
+
+	PM_VREG_PDOWN_MSME_ID = PM_VREG_PDOWN_MSME1_ID,
+	PM_VREG_PDOWN_MSMC_ID = PM_VREG_PDOWN_MSMC1_ID,
+	PM_VREG_PDOWN_RFA1_ID = PM_VREG_PDOWN_RFRX2_ID,
+	PM_VREG_PDOWN_RFA2_ID = PM_VREG_PDOWN_RFTX2_ID,
+	PM_VREG_PDOWN_XO_ID = PM_VREG_PDOWN_TCXO_ID
+};
+
+/* gpio info for PCOM_RPC_GPIO_TLMM_CONFIG_EX */
+
+#define GPIO_ENABLE	0
+#define GPIO_DISABLE	1
+
+#define GPIO_INPUT	0
+#define GPIO_OUTPUT	1
+
+#define GPIO_NO_PULL	0
+#define GPIO_PULL_DOWN	1
+#define GPIO_KEEPER	2
+#define GPIO_PULL_UP	3
+
+#define GPIO_2MA	0
+#define GPIO_4MA	1
+#define GPIO_6MA	2
+#define GPIO_8MA	3
+#define GPIO_10MA	4
+#define GPIO_12MA	5
+#define GPIO_14MA	6
+#define GPIO_16MA	7
+
+#define PCOM_GPIO_CFG(gpio, func, dir, pull, drvstr) \
+		((((gpio) & 0x3FF) << 4)	| \
+		((func) & 0xf)			| \
+		(((dir) & 0x1) << 14)		| \
+		(((pull) & 0x3) << 15)		| \
+		(((drvstr) & 0xF) << 17))
+
+int msm_proc_comm(unsigned cmd, unsigned *data1, unsigned *data2);
+
+#endif
-- 
GitLab


From bcc0f6af0798e60e7527485f7125ed26632ce698 Mon Sep 17 00:00:00 2001
From: Brian Swetland <swetland@google.com>
Date: Wed, 10 Sep 2008 14:00:53 -0700
Subject: [PATCH 1788/2224] [ARM] msm: clean up iomap and devices

- Add some more peripherals (sdcc, etc) to the iomap.
- Remove virtual base addresses for devices that we should be passing
  physical addresses to drivers via resources and ioremap()ing.
- don't try to use uarts for ll debug once the mmu is enabled due to
  problems with the peripheral window
- make base addresses void __iomem * and fixup irq.c and timer.c
- Remove common.c and bring in devices.c/devices.h similar to
  the PXA architecture.

Signed-off-by: Brian Swetland <swetland@google.com>
---
 arch/arm/mach-msm/Makefile                   |   4 +-
 arch/arm/mach-msm/board-halibut.c            |  37 +--
 arch/arm/mach-msm/common.c                   | 116 --------
 arch/arm/mach-msm/devices.c                  | 267 +++++++++++++++++++
 arch/arm/mach-msm/devices.h                  |  36 +++
 arch/arm/mach-msm/include/mach/debug-macro.S |   8 +-
 arch/arm/mach-msm/include/mach/msm_iomap.h   |  69 +++--
 arch/arm/mach-msm/io.c                       |  12 +-
 arch/arm/mach-msm/irq.c                      |  10 +-
 arch/arm/mach-msm/timer.c                    |   2 +-
 10 files changed, 368 insertions(+), 193 deletions(-)
 delete mode 100644 arch/arm/mach-msm/common.c
 create mode 100644 arch/arm/mach-msm/devices.c
 create mode 100644 arch/arm/mach-msm/devices.h

diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index ae96ffff494..d4d1deabce4 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -1,8 +1,6 @@
 obj-y += io.o idle.o irq.o timer.o dma.o
+obj-y += devices.o
 obj-y += proc_comm.o
 
-# Common code for board init
-obj-y += common.o
-
 obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o
 
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index a24259133e0..b263783dadb 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -33,6 +33,8 @@
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 
+#include "devices.h"
+
 static struct resource smc91x_resources[] = {
 	[0] = {
 		.start	= 0x9C004300,
@@ -53,31 +55,12 @@ static struct platform_device smc91x_device = {
 	.resource	= smc91x_resources,
 };
 
-static void mddi0_panel_power(int on)
-{
-}
-
-static struct msm_mddi_platform_data msm_mddi0_pdata = {
-	.panel_power	= mddi0_panel_power,
-	.has_vsync_irq	= 0,
-};
-
-static struct platform_device msm_mddi0_device = {
-	.name	= "msm_mddi",
-	.id	= 0,
-	.dev	= {
-		.platform_data = &msm_mddi0_pdata
-	},
-};
-
-static struct platform_device msm_serial0_device = {
-	.name	= "msm_serial",
-	.id	= 0,
-};
-
 static struct platform_device *devices[] __initdata = {
-	&msm_serial0_device,
-	&msm_mddi0_device,
+	&msm_device_uart3,
+	&msm_device_smd,
+	&msm_device_nand,
+	&msm_device_hsusb,
+	&msm_device_i2c,
 	&smc91x_device,
 };
 
@@ -91,7 +74,6 @@ static void __init halibut_init_irq(void)
 static void __init halibut_init(void)
 {
 	platform_add_devices(devices, ARRAY_SIZE(devices));
-	msm_add_devices();
 }
 
 static void __init halibut_map_io(void)
@@ -100,11 +82,6 @@ static void __init halibut_map_io(void)
 }
 
 MACHINE_START(HALIBUT, "Halibut Board (QCT SURF7200A)")
-
-/* UART for LL DEBUG */
-	.phys_io	= MSM_UART1_PHYS,
-	.io_pg_offst	= ((MSM_UART1_BASE) >> 18) & 0xfffc,
-
 	.boot_params	= 0x10000100,
 	.map_io		= halibut_map_io,
 	.init_irq	= halibut_init_irq,
diff --git a/arch/arm/mach-msm/common.c b/arch/arm/mach-msm/common.c
deleted file mode 100644
index 604f8ade958..00000000000
--- a/arch/arm/mach-msm/common.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/* linux/arch/arm/mach-msm/common.c
- *
- * Common setup code for MSM7K Boards
- *
- * Copyright (C) 2007 Google, Inc.
- * Author: Brian Swetland <swetland@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-
-#include <asm/mach/flash.h>
-
-#include <asm/setup.h>
-
-#include <linux/mtd/nand.h>
-#include <linux/mtd/partitions.h>
-
-#include <mach/msm_iomap.h>
-
-#include <mach/board.h>
-
-struct flash_platform_data msm_nand_data = {
-	.parts		= 0,
-	.nr_parts	= 0,
-};
-
-static struct resource msm_nand_resources[] = {
-	[0] = {
-		.start	= 7,
-		.end	= 7,
-		.flags	= IORESOURCE_DMA,
-	},
-};
-
-static struct platform_device msm_nand_device = {
-	.name		= "msm_nand",
-	.id		= -1,
-	.num_resources	= ARRAY_SIZE(msm_nand_resources),
-	.resource	= msm_nand_resources,
-	.dev		= {
-		.platform_data	= &msm_nand_data,
-	},
-};
-
-static struct platform_device msm_smd_device = {
-	.name	= "msm_smd",
-	.id	= -1,
-};
-
-static struct resource msm_i2c_resources[] = {
-	{
-		.start	= MSM_I2C_BASE,
-		.end	= MSM_I2C_BASE + MSM_I2C_SIZE - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.start	= INT_PWB_I2C,
-		.end	= INT_PWB_I2C,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device msm_i2c_device = {
-	.name		= "msm_i2c",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(msm_i2c_resources),
-	.resource	= msm_i2c_resources,
-};
-
-static struct resource usb_resources[] = {
-	{
-		.start	= MSM_HSUSB_PHYS,
-		.end	= MSM_HSUSB_PHYS + MSM_HSUSB_SIZE,
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.start	= INT_USB_HS,
-		.end	= INT_USB_HS,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device msm_hsusb_device = {
-	.name		= "msm_hsusb",
-	.id		= -1,
-	.num_resources	= ARRAY_SIZE(usb_resources),
-	.resource	= usb_resources,
-	.dev		= {
-		.coherent_dma_mask	= 0xffffffff,
-	},
-};
-
-static struct platform_device *devices[] __initdata = {
-	&msm_nand_device,
-	&msm_smd_device,
-	&msm_i2c_device,
-	&msm_hsusb_device,
-};
-
-void __init msm_add_devices(void)
-{
-	platform_add_devices(devices, ARRAY_SIZE(devices));
-}
diff --git a/arch/arm/mach-msm/devices.c b/arch/arm/mach-msm/devices.c
new file mode 100644
index 00000000000..f2a74b92a97
--- /dev/null
+++ b/arch/arm/mach-msm/devices.c
@@ -0,0 +1,267 @@
+/* linux/arch/arm/mach-msm/devices.c
+ *
+ * Copyright (C) 2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <mach/msm_iomap.h>
+#include "devices.h"
+
+#include <asm/mach/flash.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+
+static struct resource resources_uart1[] = {
+	{
+		.start	= INT_UART1,
+		.end	= INT_UART1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= MSM_UART1_PHYS,
+		.end	= MSM_UART1_PHYS + MSM_UART1_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct resource resources_uart2[] = {
+	{
+		.start	= INT_UART2,
+		.end	= INT_UART2,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= MSM_UART2_PHYS,
+		.end	= MSM_UART2_PHYS + MSM_UART2_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct resource resources_uart3[] = {
+	{
+		.start	= INT_UART3,
+		.end	= INT_UART3,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= MSM_UART3_PHYS,
+		.end	= MSM_UART3_PHYS + MSM_UART3_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+struct platform_device msm_device_uart1 = {
+	.name	= "msm_serial",
+	.id	= 0,
+	.num_resources	= ARRAY_SIZE(resources_uart1),
+	.resource	= resources_uart1,
+};
+
+struct platform_device msm_device_uart2 = {
+	.name	= "msm_serial",
+	.id	= 1,
+	.num_resources	= ARRAY_SIZE(resources_uart2),
+	.resource	= resources_uart2,
+};
+
+struct platform_device msm_device_uart3 = {
+	.name	= "msm_serial",
+	.id	= 2,
+	.num_resources	= ARRAY_SIZE(resources_uart3),
+	.resource	= resources_uart3,
+};
+
+static struct resource resources_i2c[] = {
+	{
+		.start	= MSM_I2C_PHYS,
+		.end	= MSM_I2C_PHYS + MSM_I2C_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_PWB_I2C,
+		.end	= INT_PWB_I2C,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device msm_device_i2c = {
+	.name		= "msm_i2c",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(resources_i2c),
+	.resource	= resources_i2c,
+};
+
+static struct resource resources_hsusb[] = {
+	{
+		.start	= MSM_HSUSB_PHYS,
+		.end	= MSM_HSUSB_PHYS + MSM_HSUSB_SIZE,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_USB_HS,
+		.end	= INT_USB_HS,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device msm_device_hsusb = {
+	.name		= "msm_hsusb",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(resources_hsusb),
+	.resource	= resources_hsusb,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+struct flash_platform_data msm_nand_data = {
+	.parts		= NULL,
+	.nr_parts	= 0,
+};
+
+static struct resource resources_nand[] = {
+	[0] = {
+		.start	= 7,
+		.end	= 7,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+struct platform_device msm_device_nand = {
+	.name		= "msm_nand",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(resources_nand),
+	.resource	= resources_nand,
+	.dev		= {
+		.platform_data	= &msm_nand_data,
+	},
+};
+
+struct platform_device msm_device_smd = {
+	.name	= "msm_smd",
+	.id	= -1,
+};
+
+static struct resource resources_sdc1[] = {
+	{
+		.start	= MSM_SDC1_PHYS,
+		.end	= MSM_SDC1_PHYS + MSM_SDC1_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_SDC1_0,
+		.end	= INT_SDC1_1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= 8,
+		.end	= 8,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct resource resources_sdc2[] = {
+	{
+		.start	= MSM_SDC2_PHYS,
+		.end	= MSM_SDC2_PHYS + MSM_SDC2_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_SDC2_0,
+		.end	= INT_SDC2_1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= 8,
+		.end	= 8,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct resource resources_sdc3[] = {
+	{
+		.start	= MSM_SDC3_PHYS,
+		.end	= MSM_SDC3_PHYS + MSM_SDC3_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_SDC3_0,
+		.end	= INT_SDC3_1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= 8,
+		.end	= 8,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+static struct resource resources_sdc4[] = {
+	{
+		.start	= MSM_SDC4_PHYS,
+		.end	= MSM_SDC4_PHYS + MSM_SDC4_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= INT_SDC4_0,
+		.end	= INT_SDC4_1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= 8,
+		.end	= 8,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+struct platform_device msm_device_sdc1 = {
+	.name		= "msm_sdcc",
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(resources_sdc1),
+	.resource	= resources_sdc1,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+struct platform_device msm_device_sdc2 = {
+	.name		= "msm_sdcc",
+	.id		= 2,
+	.num_resources	= ARRAY_SIZE(resources_sdc2),
+	.resource	= resources_sdc2,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+struct platform_device msm_device_sdc3 = {
+	.name		= "msm_sdcc",
+	.id		= 3,
+	.num_resources	= ARRAY_SIZE(resources_sdc3),
+	.resource	= resources_sdc3,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+struct platform_device msm_device_sdc4 = {
+	.name		= "msm_sdcc",
+	.id		= 4,
+	.num_resources	= ARRAY_SIZE(resources_sdc4),
+	.resource	= resources_sdc4,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
new file mode 100644
index 00000000000..0744c4a27d6
--- /dev/null
+++ b/arch/arm/mach-msm/devices.h
@@ -0,0 +1,36 @@
+/* linux/arch/arm/mach-msm/devices.h
+ *
+ * Copyright (C) 2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ARCH_ARM_MACH_MSM_DEVICES_H
+#define __ARCH_ARM_MACH_MSM_DEVICES_H
+
+extern struct platform_device msm_device_uart1;
+extern struct platform_device msm_device_uart2;
+extern struct platform_device msm_device_uart3;
+
+extern struct platform_device msm_device_sdc1;
+extern struct platform_device msm_device_sdc2;
+extern struct platform_device msm_device_sdc3;
+extern struct platform_device msm_device_sdc4;
+
+extern struct platform_device msm_device_hsusb;
+
+extern struct platform_device msm_device_i2c;
+
+extern struct platform_device msm_device_smd;
+
+extern struct platform_device msm_device_nand;
+
+#endif
diff --git a/arch/arm/mach-msm/include/mach/debug-macro.S b/arch/arm/mach-msm/include/mach/debug-macro.S
index 528eef4b605..1db3c97dbc4 100644
--- a/arch/arm/mach-msm/include/mach/debug-macro.S
+++ b/arch/arm/mach-msm/include/mach/debug-macro.S
@@ -22,18 +22,22 @@
 	mrc	p15, 0, \rx, c1, c0
 	tst	\rx, #1
 	ldreq	\rx, =MSM_UART1_PHYS
-	ldrne	\rx, =MSM_UART1_BASE
+	movne	\rx, #0
 	.endm
 
 	.macro	senduart,rd,rx
-	str	\rd, [\rx, #0x0C]
+	teq	\rx, #0
+	strne	\rd, [\rx, #0x0C]
 	.endm
 
 	.macro	waituart,rd,rx
 	@ wait for TX_READY
+	teq	\rx, #0
+	bne	2f
 1:	ldr	\rd, [\rx, #0x08]
 	tst	\rd, #0x04
 	beq	1b
+2:
 	.endm
 
 	.macro	busyuart,rd,rx
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h
index e221f58ceea..2f7b4c8620d 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap.h
@@ -37,11 +37,17 @@
  *
  */
 
-#define MSM_VIC_BASE          0xE0000000
+#ifdef __ASSEMBLY__
+#define IOMEM(x)	x
+#else
+#define IOMEM(x)	((void __force __iomem *)(x))
+#endif
+
+#define MSM_VIC_BASE          IOMEM(0xE0000000)
 #define MSM_VIC_PHYS          0xC0000000
 #define MSM_VIC_SIZE          SZ_4K
 
-#define MSM_CSR_BASE          0xE0001000
+#define MSM_CSR_BASE          IOMEM(0xE0001000)
 #define MSM_CSR_PHYS          0xC0100000
 #define MSM_CSR_SIZE          SZ_4K
 
@@ -49,56 +55,67 @@
 #define MSM_GPT_BASE          MSM_CSR_BASE
 #define MSM_GPT_SIZE          SZ_4K
 
-#define MSM_DMOV_BASE         0xE0002000
+#define MSM_DMOV_BASE         IOMEM(0xE0002000)
 #define MSM_DMOV_PHYS         0xA9700000
 #define MSM_DMOV_SIZE         SZ_4K
 
-#define MSM_UART1_BASE        0xE0003000
+#define MSM_GPIO1_BASE        IOMEM(0xE0003000)
+#define MSM_GPIO1_PHYS        0xA9200000
+#define MSM_GPIO1_SIZE        SZ_4K
+
+#define MSM_GPIO2_BASE        IOMEM(0xE0004000)
+#define MSM_GPIO2_PHYS        0xA9300000
+#define MSM_GPIO2_SIZE        SZ_4K
+
+#define MSM_CLK_CTL_BASE      IOMEM(0xE0005000)
+#define MSM_CLK_CTL_PHYS      0xA8600000
+#define MSM_CLK_CTL_SIZE      SZ_4K
+
+#define MSM_SHARED_RAM_BASE   IOMEM(0xE0100000)
+#define MSM_SHARED_RAM_PHYS   0x01F00000
+#define MSM_SHARED_RAM_SIZE   SZ_1M
+
 #define MSM_UART1_PHYS        0xA9A00000
 #define MSM_UART1_SIZE        SZ_4K
 
-#define MSM_UART2_BASE        0xE0004000
 #define MSM_UART2_PHYS        0xA9B00000
 #define MSM_UART2_SIZE        SZ_4K
 
-#define MSM_UART3_BASE        0xE0005000
 #define MSM_UART3_PHYS        0xA9C00000
 #define MSM_UART3_SIZE        SZ_4K
 
-#define MSM_I2C_BASE          0xE0006000
-#define MSM_I2C_PHYS          0xA9900000
-#define MSM_I2C_SIZE          SZ_4K
+#define MSM_SDC1_PHYS         0xA0400000
+#define MSM_SDC1_SIZE         SZ_4K
 
-#define MSM_GPIO1_BASE        0xE0007000
-#define MSM_GPIO1_PHYS        0xA9200000
-#define MSM_GPIO1_SIZE        SZ_4K
+#define MSM_SDC2_PHYS         0xA0500000
+#define MSM_SDC2_SIZE         SZ_4K
 
-#define MSM_GPIO2_BASE        0xE0008000
-#define MSM_GPIO2_PHYS        0xA9300000
-#define MSM_GPIO2_SIZE        SZ_4K
+#define MSM_SDC3_PHYS         0xA0600000
+#define MSM_SDC3_SIZE         SZ_4K
+
+#define MSM_SDC4_PHYS         0xA0700000
+#define MSM_SDC4_SIZE         SZ_4K
+
+#define MSM_I2C_PHYS          0xA9900000
+#define MSM_I2C_SIZE          SZ_4K
 
-#define MSM_HSUSB_BASE        0xE0009000
 #define MSM_HSUSB_PHYS        0xA0800000
 #define MSM_HSUSB_SIZE        SZ_4K
 
-#define MSM_CLK_CTL_BASE      0xE000A000
-#define MSM_CLK_CTL_PHYS      0xA8600000
-#define MSM_CLK_CTL_SIZE      SZ_4K
-
-#define MSM_PMDH_BASE         0xE000B000
 #define MSM_PMDH_PHYS         0xAA600000
 #define MSM_PMDH_SIZE         SZ_4K
 
-#define MSM_EMDH_BASE         0xE000C000
 #define MSM_EMDH_PHYS         0xAA700000
 #define MSM_EMDH_SIZE         SZ_4K
 
-#define MSM_MDP_BASE          0xE0010000
 #define MSM_MDP_PHYS          0xAA200000
 #define MSM_MDP_SIZE          0x000F0000
 
-#define MSM_SHARED_RAM_BASE   0xE0100000
-#define MSM_SHARED_RAM_PHYS   0x01F00000
-#define MSM_SHARED_RAM_SIZE   SZ_1M
+#define MSM_MDC_PHYS	      0xAA500000
+#define MSM_MDC_SIZE	      SZ_1M
+
+#define MSM_AD5_PHYS          0xAC000000
+#define MSM_AD5_SIZE          (SZ_1M*13)
+
 
 #endif
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index 7999e4ba8e2..6e7692ff6f2 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -28,7 +28,7 @@
 #include <mach/board.h>
 
 #define MSM_DEVICE(name) { \
-		.virtual = MSM_##name##_BASE, \
+		.virtual = (unsigned long) MSM_##name##_BASE, \
 		.pfn = __phys_to_pfn(MSM_##name##_PHYS), \
 		.length = MSM_##name##_SIZE, \
 		.type = MT_DEVICE_NONSHARED, \
@@ -39,19 +39,11 @@ static struct map_desc msm_io_desc[] __initdata = {
 	MSM_DEVICE(CSR),
 	MSM_DEVICE(GPT),
 	MSM_DEVICE(DMOV),
-	MSM_DEVICE(UART1),
-	MSM_DEVICE(UART2),
-	MSM_DEVICE(UART3),
-	MSM_DEVICE(I2C),
 	MSM_DEVICE(GPIO1),
 	MSM_DEVICE(GPIO2),
-	MSM_DEVICE(HSUSB),
 	MSM_DEVICE(CLK_CTL),
-	MSM_DEVICE(PMDH),
-	MSM_DEVICE(EMDH),
-	MSM_DEVICE(MDP),
 	{
-		.virtual =  MSM_SHARED_RAM_BASE,
+		.virtual =  (unsigned long) MSM_SHARED_RAM_BASE,
 		.pfn =      __phys_to_pfn(MSM_SHARED_RAM_PHYS),
 		.length =   MSM_SHARED_RAM_SIZE,
 		.type =     MT_DEVICE,
diff --git a/arch/arm/mach-msm/irq.c b/arch/arm/mach-msm/irq.c
index 04b8d182ff8..69ca0dd79bd 100644
--- a/arch/arm/mach-msm/irq.c
+++ b/arch/arm/mach-msm/irq.c
@@ -66,20 +66,20 @@
 
 static void msm_irq_ack(unsigned int irq)
 {
-	unsigned reg = VIC_INT_CLEAR0 + ((irq & 32) ? 4 : 0);
+	void __iomem *reg = VIC_INT_CLEAR0 + ((irq & 32) ? 4 : 0);
 	irq = 1 << (irq & 31);
 	writel(irq, reg);
 }
 
 static void msm_irq_mask(unsigned int irq)
 {
-	unsigned reg = VIC_INT_ENCLEAR0 + ((irq & 32) ? 4 : 0);
+	void __iomem *reg = VIC_INT_ENCLEAR0 + ((irq & 32) ? 4 : 0);
 	writel(1 << (irq & 31), reg);
 }
 
 static void msm_irq_unmask(unsigned int irq)
 {
-	unsigned reg = VIC_INT_ENSET0 + ((irq & 32) ? 4 : 0);
+	void __iomem *reg = VIC_INT_ENSET0 + ((irq & 32) ? 4 : 0);
 	writel(1 << (irq & 31), reg);
 }
 
@@ -90,8 +90,8 @@ static int msm_irq_set_wake(unsigned int irq, unsigned int on)
 
 static int msm_irq_set_type(unsigned int irq, unsigned int flow_type)
 {
-	unsigned treg = VIC_INT_TYPE0 + ((irq & 32) ? 4 : 0);
-	unsigned preg = VIC_INT_POLARITY0 + ((irq & 32) ? 4 : 0);
+	void __iomem *treg = VIC_INT_TYPE0 + ((irq & 32) ? 4 : 0);
+	void __iomem *preg = VIC_INT_POLARITY0 + ((irq & 32) ? 4 : 0);
 	int b = 1 << (irq & 31);
 
 	if (flow_type & (IRQF_TRIGGER_FALLING | IRQF_TRIGGER_LOW))
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 2bffe9b7e9f..345a14cb73c 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -45,7 +45,7 @@ struct msm_clock {
 	struct clock_event_device   clockevent;
 	struct clocksource          clocksource;
 	struct irqaction            irq;
-	uint32_t                    regbase;
+	void __iomem                *regbase;
 	uint32_t                    freq;
 	uint32_t                    shift;
 };
-- 
GitLab


From 600f7cfebeef74a6ba961c507079e3629da5dd7a Mon Sep 17 00:00:00 2001
From: Brian Swetland <swetland@google.com>
Date: Tue, 9 Sep 2008 11:04:14 -0700
Subject: [PATCH 1789/2224] [ARM] msm: clock: provide clk_*() api support for

Makes use of the proc_comm interface to provide clock control on
MSM7X01A family SoCs.

Signed-off-by: Brian Swetland <swetland@google.com>
---
 arch/arm/mach-msm/Makefile             |   1 +
 arch/arm/mach-msm/board-halibut.c      |   1 +
 arch/arm/mach-msm/clock-7x01a.c        | 126 ++++++++++++++
 arch/arm/mach-msm/clock.c              | 218 +++++++++++++++++++++++++
 arch/arm/mach-msm/clock.h              |  48 ++++++
 arch/arm/mach-msm/include/mach/board.h |   1 +
 6 files changed, 395 insertions(+)
 create mode 100644 arch/arm/mach-msm/clock-7x01a.c
 create mode 100644 arch/arm/mach-msm/clock.c
 create mode 100644 arch/arm/mach-msm/clock.h

diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index d4d1deabce4..bfcb2518ba5 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -1,6 +1,7 @@
 obj-y += io.o idle.o irq.o timer.o dma.o
 obj-y += devices.o
 obj-y += proc_comm.o
+obj-y += clock.o clock-7x01a.o
 
 obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o
 
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index b263783dadb..c2a96e3965a 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -79,6 +79,7 @@ static void __init halibut_init(void)
 static void __init halibut_map_io(void)
 {
 	msm_map_common_io();
+	msm_clock_init();
 }
 
 MACHINE_START(HALIBUT, "Halibut Board (QCT SURF7200A)")
diff --git a/arch/arm/mach-msm/clock-7x01a.c b/arch/arm/mach-msm/clock-7x01a.c
new file mode 100644
index 00000000000..62230a3428e
--- /dev/null
+++ b/arch/arm/mach-msm/clock-7x01a.c
@@ -0,0 +1,126 @@
+/* arch/arm/mach-msm/clock-7x01a.c
+ *
+ * Clock tables for MSM7X01A
+ *
+ * Copyright (C) 2007 Google, Inc.
+ * Copyright (c) 2007 QUALCOMM Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include "clock.h"
+#include "devices.h"
+
+/* clock IDs used by the modem processor */
+
+#define ACPU_CLK	0   /* Applications processor clock */
+#define ADM_CLK		1   /* Applications data mover clock */
+#define ADSP_CLK	2   /* ADSP clock */
+#define EBI1_CLK	3   /* External bus interface 1 clock */
+#define EBI2_CLK	4   /* External bus interface 2 clock */
+#define ECODEC_CLK	5   /* External CODEC clock */
+#define EMDH_CLK	6   /* External MDDI host clock */
+#define GP_CLK		7   /* General purpose clock */
+#define GRP_CLK		8   /* Graphics clock */
+#define I2C_CLK		9   /* I2C clock */
+#define ICODEC_RX_CLK	10  /* Internal CODEX RX clock */
+#define ICODEC_TX_CLK	11  /* Internal CODEX TX clock */
+#define IMEM_CLK	12  /* Internal graphics memory clock */
+#define MDC_CLK		13  /* MDDI client clock */
+#define MDP_CLK		14  /* Mobile display processor clock */
+#define PBUS_CLK	15  /* Peripheral bus clock */
+#define PCM_CLK		16  /* PCM clock */
+#define PMDH_CLK	17  /* Primary MDDI host clock */
+#define SDAC_CLK	18  /* Stereo DAC clock */
+#define SDC1_CLK	19  /* Secure Digital Card clocks */
+#define SDC1_PCLK	20
+#define SDC2_CLK	21
+#define SDC2_PCLK	22
+#define SDC3_CLK	23
+#define SDC3_PCLK	24
+#define SDC4_CLK	25
+#define SDC4_PCLK	26
+#define TSIF_CLK	27  /* Transport Stream Interface clocks */
+#define TSIF_REF_CLK	28
+#define TV_DAC_CLK	29  /* TV clocks */
+#define TV_ENC_CLK	30
+#define UART1_CLK	31  /* UART clocks */
+#define UART2_CLK	32
+#define UART3_CLK	33
+#define UART1DM_CLK	34
+#define UART2DM_CLK	35
+#define USB_HS_CLK	36  /* High speed USB core clock */
+#define USB_HS_PCLK	37  /* High speed USB pbus clock */
+#define USB_OTG_CLK	38  /* Full speed USB clock */
+#define VDC_CLK		39  /* Video controller clock */
+#define VFE_CLK		40  /* Camera / Video Front End clock */
+#define VFE_MDC_CLK	41  /* VFE MDDI client clock */
+
+#define NR_CLKS		42
+
+#define CLOCK(clk_name, clk_id, clk_dev, clk_flags) {	\
+	.name = clk_name, \
+	.id = clk_id, \
+	.flags = clk_flags, \
+	.dev = clk_dev, \
+	}
+
+#define OFF CLKFLAG_AUTO_OFF
+#define MINMAX CLKFLAG_USE_MIN_MAX_TO_SET
+
+struct clk msm_clocks[] = {
+	CLOCK("adm_clk",	ADM_CLK,	NULL, 0),
+	CLOCK("adsp_clk",	ADSP_CLK,	NULL, 0),
+	CLOCK("ebi1_clk",	EBI1_CLK,	NULL, 0),
+	CLOCK("ebi2_clk",	EBI2_CLK,	NULL, 0),
+	CLOCK("ecodec_clk",	ECODEC_CLK,	NULL, 0),
+	CLOCK("emdh_clk",	EMDH_CLK,	NULL, OFF),
+	CLOCK("gp_clk",		GP_CLK,		NULL, 0),
+	CLOCK("grp_clk",	GRP_CLK,	NULL, OFF),
+	CLOCK("i2c_clk",	I2C_CLK,	&msm_device_i2c.dev, 0),
+	CLOCK("icodec_rx_clk",	ICODEC_RX_CLK,	NULL, 0),
+	CLOCK("icodec_tx_clk",	ICODEC_TX_CLK,	NULL, 0),
+	CLOCK("imem_clk",	IMEM_CLK,	NULL, OFF),
+	CLOCK("mdc_clk",	MDC_CLK,	NULL, 0),
+	CLOCK("mdp_clk",	MDP_CLK,	NULL, OFF),
+	CLOCK("pbus_clk",	PBUS_CLK,	NULL, 0),
+	CLOCK("pcm_clk",	PCM_CLK,	NULL, 0),
+	CLOCK("pmdh_clk",	PMDH_CLK,	NULL, OFF | MINMAX),
+	CLOCK("sdac_clk",	SDAC_CLK,	NULL, OFF),
+	CLOCK("sdc_clk",	SDC1_CLK,	&msm_device_sdc1.dev, OFF),
+	CLOCK("sdc_pclk",	SDC1_PCLK,	&msm_device_sdc1.dev, OFF),
+	CLOCK("sdc_clk",	SDC2_CLK,	&msm_device_sdc2.dev, OFF),
+	CLOCK("sdc_pclk",	SDC2_PCLK,	&msm_device_sdc2.dev, OFF),
+	CLOCK("sdc_clk",	SDC3_CLK,	&msm_device_sdc3.dev, OFF),
+	CLOCK("sdc_pclk",	SDC3_PCLK,	&msm_device_sdc3.dev, OFF),
+	CLOCK("sdc_clk",	SDC4_CLK,	&msm_device_sdc4.dev, OFF),
+	CLOCK("sdc_pclk",	SDC4_PCLK,	&msm_device_sdc4.dev, OFF),
+	CLOCK("tsif_clk",	TSIF_CLK,	NULL, 0),
+	CLOCK("tsif_ref_clk",	TSIF_REF_CLK,	NULL, 0),
+	CLOCK("tv_dac_clk",	TV_DAC_CLK,	NULL, 0),
+	CLOCK("tv_enc_clk",	TV_ENC_CLK,	NULL, 0),
+	CLOCK("uart_clk",	UART1_CLK,	&msm_device_uart1.dev, OFF),
+	CLOCK("uart_clk",	UART2_CLK,	&msm_device_uart2.dev, 0),
+	CLOCK("uart_clk",	UART3_CLK,	&msm_device_uart3.dev, OFF),
+	CLOCK("uart1dm_clk",	UART1DM_CLK,	NULL, OFF),
+	CLOCK("uart2dm_clk",	UART2DM_CLK,	NULL, 0),
+	CLOCK("usb_hs_clk",	USB_HS_CLK,	&msm_device_hsusb.dev, OFF),
+	CLOCK("usb_hs_pclk",	USB_HS_PCLK,	&msm_device_hsusb.dev, OFF),
+	CLOCK("usb_otg_clk",	USB_OTG_CLK,	NULL, 0),
+	CLOCK("vdc_clk",	VDC_CLK,	NULL, OFF | MINMAX),
+	CLOCK("vfe_clk",	VFE_CLK,	NULL, OFF),
+	CLOCK("vfe_mdc_clk",	VFE_MDC_CLK,	NULL, OFF),
+};
+
+unsigned msm_num_clocks = ARRAY_SIZE(msm_clocks);
diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
new file mode 100644
index 00000000000..3b1ce36f103
--- /dev/null
+++ b/arch/arm/mach-msm/clock.c
@@ -0,0 +1,218 @@
+/* arch/arm/mach-msm/clock.c
+ *
+ * Copyright (C) 2007 Google, Inc.
+ * Copyright (c) 2007 QUALCOMM Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/spinlock.h>
+
+#include "clock.h"
+#include "proc_comm.h"
+
+static DEFINE_MUTEX(clocks_mutex);
+static DEFINE_SPINLOCK(clocks_lock);
+static LIST_HEAD(clocks);
+
+/*
+ * glue for the proc_comm interface
+ */
+static inline int pc_clk_enable(unsigned id)
+{
+	return msm_proc_comm(PCOM_CLKCTL_RPC_ENABLE, &id, NULL);
+}
+
+static inline void pc_clk_disable(unsigned id)
+{
+	msm_proc_comm(PCOM_CLKCTL_RPC_DISABLE, &id, NULL);
+}
+
+static inline int pc_clk_set_rate(unsigned id, unsigned rate)
+{
+	return msm_proc_comm(PCOM_CLKCTL_RPC_SET_RATE, &id, &rate);
+}
+
+static inline int pc_clk_set_min_rate(unsigned id, unsigned rate)
+{
+	return msm_proc_comm(PCOM_CLKCTL_RPC_MIN_RATE, &id, &rate);
+}
+
+static inline int pc_clk_set_max_rate(unsigned id, unsigned rate)
+{
+	return msm_proc_comm(PCOM_CLKCTL_RPC_MAX_RATE, &id, &rate);
+}
+
+static inline int pc_clk_set_flags(unsigned id, unsigned flags)
+{
+	return msm_proc_comm(PCOM_CLKCTL_RPC_SET_FLAGS, &id, &flags);
+}
+
+static inline unsigned pc_clk_get_rate(unsigned id)
+{
+	if (msm_proc_comm(PCOM_CLKCTL_RPC_RATE, &id, NULL))
+		return 0;
+	else
+		return id;
+}
+
+static inline unsigned pc_clk_is_enabled(unsigned id)
+{
+	if (msm_proc_comm(PCOM_CLKCTL_RPC_ENABLED, &id, NULL))
+		return 0;
+	else
+		return id;
+}
+
+static inline int pc_pll_request(unsigned id, unsigned on)
+{
+	on = !!on;
+	return msm_proc_comm(PCOM_CLKCTL_RPC_PLL_REQUEST, &id, &on);
+}
+
+/*
+ * Standard clock functions defined in include/linux/clk.h
+ */
+struct clk *clk_get(struct device *dev, const char *id)
+{
+	struct clk *clk;
+
+	mutex_lock(&clocks_mutex);
+
+	list_for_each_entry(clk, &clocks, list)
+		if (!strcmp(id, clk->name) && clk->dev == dev)
+			goto found_it;
+
+	list_for_each_entry(clk, &clocks, list)
+		if (!strcmp(id, clk->name) && clk->dev == NULL)
+			goto found_it;
+
+	clk = ERR_PTR(-ENOENT);
+found_it:
+	mutex_unlock(&clocks_mutex);
+	return clk;
+}
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_put);
+
+int clk_enable(struct clk *clk)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&clocks_lock, flags);
+	clk->count++;
+	if (clk->count == 1)
+		pc_clk_enable(clk->id);
+	spin_unlock_irqrestore(&clocks_lock, flags);
+	return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+	unsigned long flags;
+	spin_lock_irqsave(&clocks_lock, flags);
+	BUG_ON(clk->count == 0);
+	clk->count--;
+	if (clk->count == 0)
+		pc_clk_disable(clk->id);
+	spin_unlock_irqrestore(&clocks_lock, flags);
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return pc_clk_get_rate(clk->id);
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	int ret;
+	if (clk->flags & CLKFLAG_USE_MIN_MAX_TO_SET) {
+		ret = pc_clk_set_max_rate(clk->id, rate);
+		if (ret)
+			return ret;
+		return pc_clk_set_min_rate(clk->id, rate);
+	}
+	return pc_clk_set_rate(clk->id, rate);
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	return -ENOSYS;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+	return ERR_PTR(-ENOSYS);
+}
+EXPORT_SYMBOL(clk_get_parent);
+
+int clk_set_flags(struct clk *clk, unsigned long flags)
+{
+	if (clk == NULL || IS_ERR(clk))
+		return -EINVAL;
+	return pc_clk_set_flags(clk->id, flags);
+}
+EXPORT_SYMBOL(clk_set_flags);
+
+
+void __init msm_clock_init(void)
+{
+	unsigned n;
+
+	spin_lock_init(&clocks_lock);
+	mutex_lock(&clocks_mutex);
+	for (n = 0; n < msm_num_clocks; n++)
+		list_add_tail(&msm_clocks[n].list, &clocks);
+	mutex_unlock(&clocks_mutex);
+}
+
+/* The bootloader and/or AMSS may have left various clocks enabled.
+ * Disable any clocks that belong to us (CLKFLAG_AUTO_OFF) but have
+ * not been explicitly enabled by a clk_enable() call.
+ */
+static int __init clock_late_init(void)
+{
+	unsigned long flags;
+	struct clk *clk;
+	unsigned count = 0;
+
+	mutex_lock(&clocks_mutex);
+	list_for_each_entry(clk, &clocks, list) {
+		if (clk->flags & CLKFLAG_AUTO_OFF) {
+			spin_lock_irqsave(&clocks_lock, flags);
+			if (!clk->count) {
+				count++;
+				pc_clk_disable(clk->id);
+			}
+			spin_unlock_irqrestore(&clocks_lock, flags);
+		}
+	}
+	mutex_unlock(&clocks_mutex);
+	pr_info("clock_late_init() disabled %d unused clocks\n", count);
+	return 0;
+}
+
+late_initcall(clock_late_init);
diff --git a/arch/arm/mach-msm/clock.h b/arch/arm/mach-msm/clock.h
new file mode 100644
index 00000000000..f875e1544e5
--- /dev/null
+++ b/arch/arm/mach-msm/clock.h
@@ -0,0 +1,48 @@
+/* arch/arm/mach-msm/clock.h
+ *
+ * Copyright (C) 2007 Google, Inc.
+ * Copyright (c) 2007 QUALCOMM Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ARCH_ARM_MACH_MSM_CLOCK_H
+#define __ARCH_ARM_MACH_MSM_CLOCK_H
+
+#include <linux/list.h>
+
+#define CLKFLAG_INVERT			0x00000001
+#define CLKFLAG_NOINVERT		0x00000002
+#define CLKFLAG_NONEST			0x00000004
+#define CLKFLAG_NORESET			0x00000008
+
+#define CLK_FIRST_AVAILABLE_FLAG	0x00000100
+#define CLKFLAG_USE_MIN_MAX_TO_SET	0x00000200
+#define CLKFLAG_AUTO_OFF		0x00000400
+
+struct clk {
+	uint32_t id;
+	uint32_t count;
+	uint32_t flags;
+	const char *name;
+	struct list_head list;
+	struct device *dev;
+};
+
+#define A11S_CLK_CNTL_ADDR		(MSM_CSR_BASE + 0x100)
+#define A11S_CLK_SEL_ADDR		(MSM_CSR_BASE + 0x104)
+#define A11S_VDD_SVS_PLEVEL_ADDR	(MSM_CSR_BASE + 0x124)
+
+extern struct clk msm_clocks[];
+extern unsigned msm_num_clocks;
+
+#endif
+
diff --git a/arch/arm/mach-msm/include/mach/board.h b/arch/arm/mach-msm/include/mach/board.h
index a7639493c09..264d62e519f 100644
--- a/arch/arm/mach-msm/include/mach/board.h
+++ b/arch/arm/mach-msm/include/mach/board.h
@@ -33,5 +33,6 @@ void __init msm_add_devices(void);
 void __init msm_map_common_io(void);
 void __init msm_init_irq(void);
 void __init msm_init_gpio(void);
+void __init msm_clock_init(void);
 
 #endif
-- 
GitLab


From 8a0f6f17c43933a4768ab79b9ac3ad24cd3c2c3f Mon Sep 17 00:00:00 2001
From: Brian Swetland <swetland@google.com>
Date: Wed, 10 Sep 2008 14:58:25 -0700
Subject: [PATCH 1790/2224] [ARM] msm: dma: various basic dma improvements and
 bugfixes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

San:
- Propagate DM errors to the originator of the request.
- Implement msm_dmov_stop_cmd()
- Add return value to init code
- Modify msm_dmov_stop_cmd() to support ungraceful flushing

Arve:
- Disable datamover interrupt when not in use.
  We turn off the interrrupt to allow power collapse from idle.

Signed-off-by: San Mehat <san@android.com>
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Brian Swetland <swetland@google.com>
---
 arch/arm/mach-msm/dma.c              | 72 ++++++++++++++++++++--------
 arch/arm/mach-msm/include/mach/dma.h | 24 ++++++++--
 2 files changed, 71 insertions(+), 25 deletions(-)

diff --git a/arch/arm/mach-msm/dma.c b/arch/arm/mach-msm/dma.c
index 0c8f252637e..f5420f9585c 100644
--- a/arch/arm/mach-msm/dma.c
+++ b/arch/arm/mach-msm/dma.c
@@ -26,7 +26,7 @@ enum {
 };
 
 static DEFINE_SPINLOCK(msm_dmov_lock);
-static struct msm_dmov_cmd active_command;
+static unsigned int channel_active;
 static struct list_head ready_commands[MSM_DMOV_CHANNEL_COUNT];
 static struct list_head active_commands[MSM_DMOV_CHANNEL_COUNT];
 unsigned int msm_dmov_print_mask = MSM_DMOV_PRINT_ERRORS;
@@ -43,6 +43,11 @@ unsigned int msm_dmov_print_mask = MSM_DMOV_PRINT_ERRORS;
 #define PRINT_FLOW(format, args...) \
 	MSM_DMOV_DPRINTF(MSM_DMOV_PRINT_FLOW, format, args);
 
+void msm_dmov_stop_cmd(unsigned id, struct msm_dmov_cmd *cmd, int graceful)
+{
+	writel((graceful << 31), DMOV_FLUSH0(id));
+}
+
 void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd)
 {
 	unsigned long irq_flags;
@@ -60,6 +65,9 @@ void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd)
 #endif
 		PRINT_IO("msm_dmov_enqueue_cmd(%d), start command, status %x\n", id, status);
 		list_add_tail(&cmd->list, &active_commands[id]);
+		if (!channel_active)
+			enable_irq(INT_ADM_AARM);
+		channel_active |= 1U << id;
 		writel(cmd->cmdptr, DMOV_CMD_PTR(id));
 	} else {
 		if (list_empty(&active_commands[id]))
@@ -76,21 +84,19 @@ struct msm_dmov_exec_cmdptr_cmd {
 	struct completion complete;
 	unsigned id;
 	unsigned int result;
-	unsigned int flush[6];
+	struct msm_dmov_errdata err;
 };
 
-static void dmov_exec_cmdptr_complete_func(struct msm_dmov_cmd *_cmd, unsigned int result)
+static void
+dmov_exec_cmdptr_complete_func(struct msm_dmov_cmd *_cmd,
+			       unsigned int result,
+			       struct msm_dmov_errdata *err)
 {
 	struct msm_dmov_exec_cmdptr_cmd *cmd = container_of(_cmd, struct msm_dmov_exec_cmdptr_cmd, dmov_cmd);
 	cmd->result = result;
-	if (result != 0x80000002) {
-		cmd->flush[0] = readl(DMOV_FLUSH0(cmd->id));
-		cmd->flush[1] = readl(DMOV_FLUSH1(cmd->id));
-		cmd->flush[2] = readl(DMOV_FLUSH2(cmd->id));
-		cmd->flush[3] = readl(DMOV_FLUSH3(cmd->id));
-		cmd->flush[4] = readl(DMOV_FLUSH4(cmd->id));
-		cmd->flush[5] = readl(DMOV_FLUSH5(cmd->id));
-	}
+	if (result != 0x80000002 && err)
+		memcpy(&cmd->err, err, sizeof(struct msm_dmov_errdata));
+
 	complete(&cmd->complete);
 }
 
@@ -111,7 +117,7 @@ int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr)
 	if (cmd.result != 0x80000002) {
 		PRINT_ERROR("dmov_exec_cmdptr(%d): ERROR, result: %x\n", id, cmd.result);
 		PRINT_ERROR("dmov_exec_cmdptr(%d):  flush: %x %x %x %x\n",
-			id, cmd.flush[0], cmd.flush[1], cmd.flush[2], cmd.flush[3]);
+			id, cmd.err.flush[0], cmd.err.flush[1], cmd.err.flush[2], cmd.err.flush[3]);
 		return -EIO;
 	}
 	PRINT_FLOW("dmov_exec_cmdptr(%d, %x) done\n", id, cmdptr);
@@ -159,25 +165,40 @@ static irqreturn_t msm_datamover_irq_handler(int irq, void *dev_id)
 					"for %p, result %x\n", id, cmd, ch_result);
 				if (cmd) {
 					list_del(&cmd->list);
-					cmd->complete_func(cmd, ch_result);
+					cmd->complete_func(cmd, ch_result, NULL);
 				}
 			}
 			if (ch_result & DMOV_RSLT_FLUSH) {
-				unsigned int flush0 = readl(DMOV_FLUSH0(id));
+				struct msm_dmov_errdata errdata;
+
+				errdata.flush[0] = readl(DMOV_FLUSH0(id));
+				errdata.flush[1] = readl(DMOV_FLUSH1(id));
+				errdata.flush[2] = readl(DMOV_FLUSH2(id));
+				errdata.flush[3] = readl(DMOV_FLUSH3(id));
+				errdata.flush[4] = readl(DMOV_FLUSH4(id));
+				errdata.flush[5] = readl(DMOV_FLUSH5(id));
 				PRINT_FLOW("msm_datamover_irq_handler id %d, status %x\n", id, ch_status);
-				PRINT_FLOW("msm_datamover_irq_handler id %d, flush, result %x, flush0 %x\n", id, ch_result, flush0);
+				PRINT_FLOW("msm_datamover_irq_handler id %d, flush, result %x, flush0 %x\n", id, ch_result, errdata.flush[0]);
 				if (cmd) {
 					list_del(&cmd->list);
-					cmd->complete_func(cmd, ch_result);
+					cmd->complete_func(cmd, ch_result, &errdata);
 				}
 			}
 			if (ch_result & DMOV_RSLT_ERROR) {
-				unsigned int flush0 = readl(DMOV_FLUSH0(id));
+				struct msm_dmov_errdata errdata;
+
+				errdata.flush[0] = readl(DMOV_FLUSH0(id));
+				errdata.flush[1] = readl(DMOV_FLUSH1(id));
+				errdata.flush[2] = readl(DMOV_FLUSH2(id));
+				errdata.flush[3] = readl(DMOV_FLUSH3(id));
+				errdata.flush[4] = readl(DMOV_FLUSH4(id));
+				errdata.flush[5] = readl(DMOV_FLUSH5(id));
+
 				PRINT_ERROR("msm_datamover_irq_handler id %d, status %x\n", id, ch_status);
-				PRINT_ERROR("msm_datamover_irq_handler id %d, error, result %x, flush0 %x\n", id, ch_result, flush0);
+				PRINT_ERROR("msm_datamover_irq_handler id %d, error, result %x, flush0 %x\n", id, ch_result, errdata.flush[0]);
 				if (cmd) {
 					list_del(&cmd->list);
-					cmd->complete_func(cmd, ch_result);
+					cmd->complete_func(cmd, ch_result, &errdata);
 				}
 				/* this does not seem to work, once we get an error */
 				/* the datamover will no longer accept commands */
@@ -193,8 +214,14 @@ static irqreturn_t msm_datamover_irq_handler(int irq, void *dev_id)
 				writel(cmd->cmdptr, DMOV_CMD_PTR(id));
 			}
 		} while (ch_status & DMOV_STATUS_RSLT_VALID);
+		if (list_empty(&active_commands[id]) && list_empty(&ready_commands[id]))
+			channel_active &= ~(1U << id);
 		PRINT_FLOW("msm_datamover_irq_handler id %d, status %x\n", id, ch_status);
 	}
+
+	if (!channel_active)
+		disable_irq(INT_ADM_AARM);
+
 	spin_unlock_irqrestore(&msm_dmov_lock, irq_flags);
 	return IRQ_HANDLED;
 }
@@ -202,12 +229,17 @@ static irqreturn_t msm_datamover_irq_handler(int irq, void *dev_id)
 static int __init msm_init_datamover(void)
 {
 	int i;
+	int ret;
 	for (i = 0; i < MSM_DMOV_CHANNEL_COUNT; i++) {
 		INIT_LIST_HEAD(&ready_commands[i]);
 		INIT_LIST_HEAD(&active_commands[i]);
 		writel(DMOV_CONFIG_IRQ_EN | DMOV_CONFIG_FORCE_TOP_PTR_RSLT | DMOV_CONFIG_FORCE_FLUSH_RSLT, DMOV_CONFIG(i));
 	}
-	return request_irq(INT_ADM_AARM, msm_datamover_irq_handler, 0, "msmdatamover", NULL);
+	ret = request_irq(INT_ADM_AARM, msm_datamover_irq_handler, 0, "msmdatamover", NULL);
+	if (ret)
+		return ret;
+	disable_irq(INT_ADM_AARM);
+	return 0;
 }
 
 arch_initcall(msm_init_datamover);
diff --git a/arch/arm/mach-msm/include/mach/dma.h b/arch/arm/mach-msm/include/mach/dma.h
index ad1c87f86d1..5ab5bdffab0 100644
--- a/arch/arm/mach-msm/include/mach/dma.h
+++ b/arch/arm/mach-msm/include/mach/dma.h
@@ -1,4 +1,4 @@
-/* arch/arm/mach-msm/include/mach/dma.h
+/* linux/include/asm-arm/arch-msm/dma.h
  *
  * Copyright (C) 2007 Google, Inc.
  *
@@ -18,17 +18,21 @@
 #include <linux/list.h>
 #include <mach/msm_iomap.h>
 
+struct msm_dmov_errdata {
+	uint32_t flush[6];
+};
+
 struct msm_dmov_cmd {
 	struct list_head list;
 	unsigned int cmdptr;
-	void (*complete_func)(struct msm_dmov_cmd *cmd, unsigned int result);
-/*	void (*user_result_func)(struct msm_dmov_cmd *cmd); */
+	void (*complete_func)(struct msm_dmov_cmd *cmd,
+			      unsigned int result,
+			      struct msm_dmov_errdata *err);
 };
 
 void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd);
-void msm_dmov_stop_cmd(unsigned id, struct msm_dmov_cmd *cmd);
+void msm_dmov_stop_cmd(unsigned id, struct msm_dmov_cmd *cmd, int graceful);
 int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr);
-/* int msm_dmov_exec_cmd_etc(unsigned id, unsigned int cmdptr, int timeout, int interruptible); */
 
 
 
@@ -122,6 +126,16 @@ typedef struct {
 	unsigned _reserved;
 } dmov_sg;
 
+/* Box mode */
+typedef struct {
+	uint32_t cmd;
+	uint32_t src_row_addr;
+	uint32_t dst_row_addr;
+	uint32_t src_dst_len;
+	uint32_t num_rows;
+	uint32_t row_offset;
+} dmov_box;
+
 /* bits for the cmd field of the above structures */
 
 #define CMD_LC      (1 << 31)  /* last command */
-- 
GitLab


From f030d7b65e4e6399f23de2a41a58d1b607b6bd89 Mon Sep 17 00:00:00 2001
From: Brian Swetland <swetland@google.com>
Date: Mon, 29 Sep 2008 14:07:14 -0700
Subject: [PATCH 1791/2224] [ARM] msm: vreg interface to msm7k pmic

The baseband cpu owns the pmic, so voltage regulator control is only
available via a relatively limited interface through the proc_comm
transport.

Signed-off-by: Brian Swetland <swetland@google.com>
---
 arch/arm/mach-msm/Makefile            |   1 +
 arch/arm/mach-msm/include/mach/vreg.h |  29 ++++++
 arch/arm/mach-msm/vreg.c              | 143 ++++++++++++++++++++++++++
 3 files changed, 173 insertions(+)
 create mode 100644 arch/arm/mach-msm/include/mach/vreg.h
 create mode 100644 arch/arm/mach-msm/vreg.c

diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index bfcb2518ba5..1aa47001aa3 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -1,6 +1,7 @@
 obj-y += io.o idle.o irq.o timer.o dma.o
 obj-y += devices.o
 obj-y += proc_comm.o
+obj-y += vreg.o
 obj-y += clock.o clock-7x01a.o
 
 obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o
diff --git a/arch/arm/mach-msm/include/mach/vreg.h b/arch/arm/mach-msm/include/mach/vreg.h
new file mode 100644
index 00000000000..9f9e25cb718
--- /dev/null
+++ b/arch/arm/mach-msm/include/mach/vreg.h
@@ -0,0 +1,29 @@
+/* linux/include/asm-arm/arch-msm/vreg.h
+ *
+ * Copyright (C) 2008 Google, Inc.
+ * Author: Brian Swetland <swetland@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ARCH_ARM_MACH_MSM_VREG_H
+#define __ARCH_ARM_MACH_MSM_VREG_H
+
+struct vreg;
+
+struct vreg *vreg_get(struct device *dev, const char *id);
+void vreg_put(struct vreg *vreg);
+
+int vreg_enable(struct vreg *vreg);
+void vreg_disable(struct vreg *vreg);
+int vreg_set_level(struct vreg *vreg, unsigned mv);
+
+#endif
diff --git a/arch/arm/mach-msm/vreg.c b/arch/arm/mach-msm/vreg.c
new file mode 100644
index 00000000000..fcb0b9f2568
--- /dev/null
+++ b/arch/arm/mach-msm/vreg.c
@@ -0,0 +1,143 @@
+/* arch/arm/mach-msm/vreg.c
+ *
+ * Copyright (C) 2008 Google, Inc.
+ * Author: Brian Swetland <swetland@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/debugfs.h>
+#include <mach/vreg.h>
+
+#include "proc_comm.h"
+
+struct vreg {
+	const char *name;
+	unsigned id;
+};
+
+#define VREG(_name, _id) { .name = _name, .id = _id, }
+
+static struct vreg vregs[] = {
+	VREG("msma",	0),
+	VREG("msmp",	1),
+	VREG("msme1",	2),
+	VREG("msmc1",	3),
+	VREG("msmc2",	4),
+	VREG("gp3",	5),
+	VREG("msme2",	6),
+	VREG("gp4",	7),
+	VREG("gp1",	8),
+	VREG("tcxo",	9),
+	VREG("pa",	10),
+	VREG("rftx",	11),
+	VREG("rfrx1",	12),
+	VREG("rfrx2",	13),
+	VREG("synt",	14),
+	VREG("wlan",	15),
+	VREG("usb",	16),
+	VREG("boost",	17),
+	VREG("mmc",	18),
+	VREG("ruim",	19),
+	VREG("msmc0",	20),
+	VREG("gp2",	21),
+	VREG("gp5",	22),
+	VREG("gp6",	23),
+	VREG("rf",	24),
+	VREG("rf_vco",	26),
+	VREG("mpll",	27),
+	VREG("s2",	28),
+	VREG("s3",	29),
+	VREG("rfubm",	30),
+	VREG("ncp",	31),
+};
+
+struct vreg *vreg_get(struct device *dev, const char *id)
+{
+	int n;
+	for (n = 0; n < ARRAY_SIZE(vregs); n++) {
+		if (!strcmp(vregs[n].name, id))
+			return vregs + n;
+	}
+	return 0;
+}
+
+void vreg_put(struct vreg *vreg)
+{
+}
+
+int vreg_enable(struct vreg *vreg)
+{
+	unsigned id = vreg->id;
+	unsigned enable = 1;
+	return msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable);
+}
+
+void vreg_disable(struct vreg *vreg)
+{
+	unsigned id = vreg->id;
+	unsigned enable = 0;
+	msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable);
+}
+
+int vreg_set_level(struct vreg *vreg, unsigned mv)
+{
+	unsigned id = vreg->id;
+	return msm_proc_comm(PCOM_VREG_SET_LEVEL, &id, &mv);
+}
+
+#if defined(CONFIG_DEBUG_FS)
+
+static int vreg_debug_set(void *data, u64 val)
+{
+	struct vreg *vreg = data;
+	switch (val) {
+	case 0:
+		vreg_disable(vreg);
+		break;
+	case 1:
+		vreg_enable(vreg);
+		break;
+	default:
+		vreg_set_level(vreg, val);
+		break;
+	}
+	return 0;
+}
+
+static int vreg_debug_get(void *data, u64 *val)
+{
+	return -ENOSYS;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(vreg_fops, vreg_debug_get, vreg_debug_set, "%llu\n");
+
+static int __init vreg_debug_init(void)
+{
+	struct dentry *dent;
+	int n;
+
+	dent = debugfs_create_dir("vreg", 0);
+	if (IS_ERR(dent))
+		return 0;
+
+	for (n = 0; n < ARRAY_SIZE(vregs); n++)
+		(void) debugfs_create_file(vregs[n].name, 0644,
+					   dent, vregs + n, &vreg_fops);
+
+	return 0;
+}
+
+device_initcall(vreg_debug_init);
+#endif
-- 
GitLab


From 2bfef69d9e8cc056aa4dbc13f2136747340b4515 Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann3@amd.com>
Date: Wed, 15 Oct 2008 11:51:53 +0200
Subject: [PATCH 1792/2224] x86: SB600: skip IRQ0 override if it is not routed
 to INT2 of IOAPIC

Impact: fix hung bootup and other misbehavior on certain laptops

On some more HP laptops BIOS reports an IRQ0 override
but the SB600 chipset is configured such that timer
interrupts go to INT0 of IOAPIC.

Check IRQ0 routing and if it is routed to INT0 of IOAPIC skip the
timer override.

See following bug reports:

  http://bugzilla.kernel.org/show_bug.cgi?id=11715
  http://bugzilla.kernel.org/show_bug.cgi?id=11516

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/early-quirks.c | 55 ++++++++++++++++++++++++++++++++--
 1 file changed, 52 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 733c4f8d42e..3ce029ffaa5 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -95,7 +95,8 @@ static void __init nvidia_bugs(int num, int slot, int func)
 
 }
 
-static u32 ati_ixp4x0_rev(int num, int slot, int func)
+#if defined(CONFIG_ACPI) && defined(CONFIG_X86_IO_APIC)
+static u32 __init ati_ixp4x0_rev(int num, int slot, int func)
 {
 	u32 d;
 	u8  b;
@@ -115,7 +116,6 @@ static u32 ati_ixp4x0_rev(int num, int slot, int func)
 
 static void __init ati_bugs(int num, int slot, int func)
 {
-#if defined(CONFIG_ACPI) && defined (CONFIG_X86_IO_APIC)
 	u32 d;
 	u8  b;
 
@@ -138,9 +138,56 @@ static void __init ati_bugs(int num, int slot, int func)
 		printk(KERN_INFO "If you got timer trouble "
 		       "try acpi_use_timer_override\n");
 	}
-#endif
 }
 
+static u32 __init ati_sbx00_rev(int num, int slot, int func)
+{
+	u32 old, d;
+
+	d = read_pci_config(num, slot, func, 0x70);
+	old = d;
+	d &= ~(1<<8);
+	write_pci_config(num, slot, func, 0x70, d);
+	d = read_pci_config(num, slot, func, 0x8);
+	d &= 0xff;
+	write_pci_config(num, slot, func, 0x70, old);
+
+	return d;
+}
+
+static void __init ati_bugs_contd(int num, int slot, int func)
+{
+	u32 d, rev;
+
+	if (acpi_use_timer_override)
+		return;
+
+	rev = ati_sbx00_rev(num, slot, func);
+	if (rev > 0x13)
+		return;
+
+	/* check for IRQ0 interrupt swap */
+	d = read_pci_config(num, slot, func, 0x64);
+	if (!(d & (1<<14)))
+		acpi_skip_timer_override = 1;
+
+	if (acpi_skip_timer_override) {
+		printk(KERN_INFO "SB600 revision 0x%x\n", rev);
+		printk(KERN_INFO "Ignoring ACPI timer override.\n");
+		printk(KERN_INFO "If you got timer trouble "
+		       "try acpi_use_timer_override\n");
+	}
+}
+#else
+static void __init ati_bugs(int num, int slot, int func)
+{
+}
+
+static void __init ati_bugs_contd(int num, int slot, int func)
+{
+}
+#endif
+
 #ifdef CONFIG_DMAR
 static void __init intel_g33_dmar(int num, int slot, int func)
 {
@@ -176,6 +223,8 @@ static struct chipset early_qrk[] __initdata = {
 	  PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, fix_hypertransport_config },
 	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS,
 	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs },
+	{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
+	  PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
 #ifdef CONFIG_DMAR
 	{ PCI_VENDOR_ID_INTEL, 0x29c0,
 	  PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, intel_g33_dmar },
-- 
GitLab


From cd926c7330ae76b620853533e68654a1ef0c2347 Mon Sep 17 00:00:00 2001
From: Francois Romieu <romieu@fr.zoreil.com>
Date: Thu, 16 Oct 2008 22:04:07 +0200
Subject: [PATCH 1793/2224] r8169: verbose mac address init

I prefer the debug information to be displayed until
the issue is properly handled.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
---
 drivers/net/r8169.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index c821da21d8e..cd9a21581f5 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1947,11 +1947,11 @@ static void rtl_init_mac_address(struct rtl8169_private *tp,
 	u8 cfg1;
 	int vpd_cap;
 	u8 mac[8];
-	DECLARE_MAC_BUF(buf);
 
 	cfg1 = RTL_R8(Config1);
 	if (!(cfg1  & VPD)) {
-		dprintk("VPD access not enabled, enabling\n");
+		if (netif_msg_probe(tp))
+			dev_info(&pdev->dev, "VPD access disabled, enabling\n");
 		RTL_W8(Cfg9346, Cfg9346_Unlock);
 		RTL_W8(Config1, cfg1 | VPD);
 		RTL_W8(Cfg9346, Cfg9346_Lock);
@@ -1969,11 +1969,19 @@ static void rtl_init_mac_address(struct rtl8169_private *tp,
 	 */
 	if (rtl_eeprom_read(pdev, vpd_cap, 0x000e, (__le32*)&mac[0]) < 0 ||
 	    rtl_eeprom_read(pdev, vpd_cap, 0x0012, (__le32*)&mac[4]) < 0) {
-		dprintk("Reading MAC address from EEPROM failed\n");
+		if (netif_msg_probe(tp)) {
+			dev_warn(&pdev->dev,
+				 "reading MAC address from EEPROM failed\n");
+		}
 		return;
 	}
 
-	dprintk("MAC address found in EEPROM: %s\n", print_mac(buf, mac));
+	if (netif_msg_probe(tp)) {
+		DECLARE_MAC_BUF(buf);
+
+		dev_info(&pdev->dev, "MAC address found in EEPROM: %s\n",
+			 print_mac(buf, mac));
+	}
 
 	/* Write MAC address */
 	rtl_rar_set(tp, mac);
-- 
GitLab


From e1564ec938b759268d6e67f24b5d6f429da4a5a9 Mon Sep 17 00:00:00 2001
From: Francois Romieu <romieu@fr.zoreil.com>
Date: Thu, 16 Oct 2008 22:46:13 +0200
Subject: [PATCH 1794/2224] r8169: checks against wrong mac addresse init

Checking the signature of the eeprom and the validity of the
MAC address should be enough to filter out the bad addresses
observed so far.

Contributed by Ivan Vecera and Martin Capitanio.

Tested on 8102el, 8168b and 8169 for a start.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
---
 drivers/net/r8169.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index cd9a21581f5..2b4e975770f 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -81,6 +81,10 @@ static const int multicast_filter_limit = 32;
 #define RTL8169_TX_TIMEOUT	(6*HZ)
 #define RTL8169_PHY_TIMEOUT	(10*HZ)
 
+#define RTL_EEPROM_SIG		cpu_to_le32(0x8129)
+#define RTL_EEPROM_SIG_MASK	cpu_to_le32(0xffff)
+#define RTL_EEPROM_SIG_ADDR	0x0000
+
 /* write/read MMIO register */
 #define RTL_W8(reg, val8)	writeb ((val8), ioaddr + (reg))
 #define RTL_W16(reg, val16)	writew ((val16), ioaddr + (reg))
@@ -1944,9 +1948,10 @@ static void rtl_init_mac_address(struct rtl8169_private *tp,
 				 void __iomem *ioaddr)
 {
 	struct pci_dev *pdev = tp->pci_dev;
-	u8 cfg1;
 	int vpd_cap;
+	__le32 sig;
 	u8 mac[8];
+	u8 cfg1;
 
 	cfg1 = RTL_R8(Config1);
 	if (!(cfg1  & VPD)) {
@@ -1961,7 +1966,16 @@ static void rtl_init_mac_address(struct rtl8169_private *tp,
 	if (!vpd_cap)
 		return;
 
-	/* MAC address is stored in EEPROM at offset 0x0e
+	if (rtl_eeprom_read(pdev, vpd_cap, RTL_EEPROM_SIG_ADDR, &sig) < 0)
+		return;
+
+	if ((sig & RTL_EEPROM_SIG_MASK) != RTL_EEPROM_SIG) {
+		dev_info(&pdev->dev, "Missing EEPROM signature: %08x\n", sig);
+		return;
+	}
+
+	/*
+	 * MAC address is stored in EEPROM at offset 0x0e
 	 * Realtek says: "The VPD address does not have to be a DWORD-aligned
 	 * address as defined in the PCI 2.2 Specifications, but the VPD data
 	 * is always consecutive 4-byte data starting from the VPD address
@@ -1983,8 +1997,8 @@ static void rtl_init_mac_address(struct rtl8169_private *tp,
 			 print_mac(buf, mac));
 	}
 
-	/* Write MAC address */
-	rtl_rar_set(tp, mac);
+	if (is_valid_ether_addr(mac))
+		rtl_rar_set(tp, mac);
 }
 
 static int __devinit
-- 
GitLab


From d51894f4979e941a86309f29898579cbb591514e Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 21 Oct 2008 01:35:34 -0400
Subject: [PATCH 1795/2224] gianfar: fix handle errors returned by
 platform_get_irq*()

platform_get_irq*() returns on -ENXIO when the resource cannot be
found, but this remains unnoticed if stored in an unsigned.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/gianfar.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index b5bb7ae2817..64b201134fd 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -161,7 +161,7 @@ static int gfar_probe(struct platform_device *pdev)
 	struct gfar_private *priv = NULL;
 	struct gianfar_platform_data *einfo;
 	struct resource *r;
-	int err = 0;
+	int err = 0, irq;
 	DECLARE_MAC_BUF(mac);
 
 	einfo = (struct gianfar_platform_data *) pdev->dev.platform_data;
@@ -187,15 +187,25 @@ static int gfar_probe(struct platform_device *pdev)
 
 	/* fill out IRQ fields */
 	if (einfo->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
-		priv->interruptTransmit = platform_get_irq_byname(pdev, "tx");
-		priv->interruptReceive = platform_get_irq_byname(pdev, "rx");
-		priv->interruptError = platform_get_irq_byname(pdev, "error");
-		if (priv->interruptTransmit < 0 || priv->interruptReceive < 0 || priv->interruptError < 0)
+		irq = platform_get_irq_byname(pdev, "tx");
+		if (irq < 0)
+			goto regs_fail;
+		priv->interruptTransmit = irq;
+
+		irq = platform_get_irq_byname(pdev, "rx");
+		if (irq < 0)
+			goto regs_fail;
+		priv->interruptReceive = irq;
+
+		irq = platform_get_irq_byname(pdev, "error");
+		if (irq < 0)
 			goto regs_fail;
+		priv->interruptError = irq;
 	} else {
-		priv->interruptTransmit = platform_get_irq(pdev, 0);
-		if (priv->interruptTransmit < 0)
+		irq = platform_get_irq(pdev, 0);
+		if (irq < 0)
 			goto regs_fail;
+		priv->interruptTransmit = irq;
 	}
 
 	/* get a pointer to the register memory */
-- 
GitLab


From ced1cbacc0557eda31ab59317c09f774cff865bb Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 21 Oct 2008 01:44:02 -0400
Subject: [PATCH 1796/2224] AX88796: ax_probe() fix irq assignment

dev->irq is unsigned

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/ax88796.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c
index 4207d6efddc..9a314d88e7b 100644
--- a/drivers/net/ax88796.c
+++ b/drivers/net/ax88796.c
@@ -838,12 +838,12 @@ static int ax_probe(struct platform_device *pdev)
 
 	/* find the platform resources */
 
-	dev->irq  = platform_get_irq(pdev, 0);
-	if (dev->irq < 0) {
+	ret  = platform_get_irq(pdev, 0);
+	if (ret < 0) {
 		dev_err(&pdev->dev, "no IRQ specified\n");
-		ret = -ENXIO;
 		goto exit_mem;
 	}
+	dev->irq = ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (res == NULL) {
-- 
GitLab


From cde0d910b9185519f7f2cfe015f9039e02c2f25b Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 21 Oct 2008 00:00:29 +0900
Subject: [PATCH 1797/2224] net: Make SMC91X selectable on other MIPS boards

RBTX4939 board has SMC91X chip and there can be other MIPS boards with
that chip.  Make SMC91X selectable on all MIPS board would be better than
enumerating each boards in Kconfig.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: jeff@garzik.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index ad301ace608..021e8f16740 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -888,7 +888,7 @@ config SMC91X
 	select CRC32
 	select MII
 	depends on ARM || REDWOOD_5 || REDWOOD_6 || M32R || SUPERH || \
-		SOC_AU1X00 || BLACKFIN || MN10300
+		MIPS || BLACKFIN || MN10300
 	help
 	  This is a driver for SMC's 91x series of Ethernet chipsets,
 	  including the SMC91C94 and the SMC91C111. Say Y if you want it
-- 
GitLab


From 051d36f3fbd013a73cb42a6762e5bf339a3732aa Mon Sep 17 00:00:00 2001
From: Brice Goglin <brice@myri.com>
Date: Mon, 20 Oct 2008 13:54:12 +0200
Subject: [PATCH 1798/2224] myri10ge: disable NAPI on failure to setup the
 interface

Disable NAPI if a failure occurs when setting up the interface. Leaving
it enabled could cause a BUG the next time an ifconfig up is issued.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/myri10ge/myri10ge.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index a9aebad5265..b1556b2e404 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -75,7 +75,7 @@
 #include "myri10ge_mcp.h"
 #include "myri10ge_mcp_gen_header.h"
 
-#define MYRI10GE_VERSION_STR "1.4.3-1.369"
+#define MYRI10GE_VERSION_STR "1.4.3-1.371"
 
 MODULE_DESCRIPTION("Myricom 10G driver (10GbE)");
 MODULE_AUTHOR("Maintainer: help@myri.com");
@@ -2497,6 +2497,10 @@ static int myri10ge_open(struct net_device *dev)
 	return 0;
 
 abort_with_rings:
+	while (slice) {
+		slice--;
+		napi_disable(&mgp->ss[slice].napi);
+	}
 	for (i = 0; i < mgp->num_slices; i++)
 		myri10ge_free_rings(&mgp->ss[i]);
 
-- 
GitLab


From d766a4eda65b80afb50a39ce15c0ca424115bc07 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Tue, 21 Oct 2008 04:36:29 +0400
Subject: [PATCH 1799/2224] SMC911x: unbreak PXA builds

Currently SMC911x driver is broken on ARM/PXA builds.
Unbreak such configurations.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/smc911x.c | 2 +-
 drivers/net/smc911x.h | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 8aa7460ef0e..ec32b5d89c9 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -1242,7 +1242,7 @@ smc911x_rx_dma_irq(int dma, void *data)
 	netif_rx(skb);
 
 	spin_lock_irqsave(&lp->lock, flags);
-	pkts = (SMC_GET_RX_FIFO_INF() & RX_FIFO_INF_RXSUSED_) >> 16;
+	pkts = (SMC_GET_RX_FIFO_INF(lp) & RX_FIFO_INF_RXSUSED_) >> 16;
 	if (pkts != 0) {
 		smc911x_rcv(dev);
 	}else {
diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index bf6240f23f5..cc7d85bdfb3 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -50,6 +50,10 @@
 #define SMC_DYNAMIC_BUS_CONFIG
 #endif
 
+#ifdef SMC_USE_PXA_DMA
+#define SMC_USE_DMA
+#endif
+
 /* store this information for the driver.. */
 struct smc911x_local {
 	/*
@@ -196,8 +200,6 @@ static inline void SMC_outsl(struct smc911x_local *lp, int reg,
 
 
 #ifdef SMC_USE_PXA_DMA
-#define SMC_USE_DMA
-
 /*
  * Define the request and free functions
  * These are unfortunately architecture specific as no generic allocation
-- 
GitLab


From 6d329af9967e7ab3f4a3d7f1e8ef87539c3a069f Mon Sep 17 00:00:00 2001
From: Roland Dreier <rdreier@cisco.com>
Date: Fri, 17 Oct 2008 14:18:26 -0700
Subject: [PATCH 1800/2224] cxgb3: Fix kernel crash caused by uninitialized
 l2t_entry.arpq

Commit 147e70e6 ("cxgb3: Use SKB list interfaces instead of home-grown
implementation.") causes a crash in t3_l2t_send_slow() when an iWARP
connection request is received.  This is because the new l2t_entry.arpq
skb queue is never initialized, and therefore trying to add an skb to
it causes a NULL dereference.  With the old code there was no need to
initialize the queues because the l2t_entry structures were zeroed,
and the code used NULL to mean empty.

Fix this by adding __skb_queue_head_init() when all the l2t_entry
structures get allocated.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/cxgb3/l2t.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/cxgb3/l2t.c b/drivers/net/cxgb3/l2t.c
index 4407ac9bb55..ff1611f90e7 100644
--- a/drivers/net/cxgb3/l2t.c
+++ b/drivers/net/cxgb3/l2t.c
@@ -431,6 +431,7 @@ struct l2t_data *t3_init_l2t(unsigned int l2t_capacity)
 	for (i = 0; i < l2t_capacity; ++i) {
 		d->l2tab[i].idx = i;
 		d->l2tab[i].state = L2T_STATE_UNUSED;
+		__skb_queue_head_init(&d->l2tab[i].arpq);
 		spin_lock_init(&d->l2tab[i].lock);
 		atomic_set(&d->l2tab[i].refcnt, 0);
 	}
-- 
GitLab


From 93fbaae188fba7c2a6e458f62e1f61439caebfc8 Mon Sep 17 00:00:00 2001
From: Bryan Wu <cooloney@kernel.org>
Date: Fri, 17 Oct 2008 01:40:44 +0800
Subject: [PATCH 1801/2224] netdev: DM9000: remove BLACKFIN hacking in DM9000
 netdev driver

remove integer casting in the read/write IO accessors,
because Blackfin now provides those functions

Tested-by: Javier Herrero <jherrero@hvsistemas.es>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/dm9000.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index f42c23f4265..5a9083e3f44 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -47,15 +47,6 @@
 #define CARDNAME	"dm9000"
 #define DRV_VERSION	"1.31"
 
-#ifdef CONFIG_BLACKFIN
-#define readsb	insb
-#define readsw	insw
-#define readsl	insl
-#define writesb	outsb
-#define writesw	outsw
-#define writesl	outsl
-#endif
-
 /*
  * Transmit timeout, default 5 seconds.
  */
-- 
GitLab


From d4f12daf7ba4efc506c377a9591ecdb692641fe5 Mon Sep 17 00:00:00 2001
From: Hannes Hering <hannes.hering@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 11:36:42 +0200
Subject: [PATCH 1802/2224] ehea: Fix memory hotplug support

This patch implements the memory notifier to update the busmap
instantly instead of rebuilding the whole map. This is necessary
because walk_memory_resource provides different information than
required during memory hotplug.

Signed-off-by: Hannes Hering <hering2@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/ehea/ehea.h      |   2 +-
 drivers/net/ehea/ehea_main.c |  25 ++++---
 drivers/net/ehea/ehea_qmr.c  | 131 +++++++++++++++++++++++++++--------
 drivers/net/ehea/ehea_qmr.h  |   2 +
 4 files changed, 119 insertions(+), 41 deletions(-)

diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index 5524271eedc..82dd1a891ce 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME	"ehea"
-#define DRV_VERSION	"EHEA_0093"
+#define DRV_VERSION	"EHEA_0094"
 
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index b70c5314f53..422fcb93e2c 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -2863,7 +2863,7 @@ static void ehea_rereg_mrs(struct work_struct *work)
 	struct ehea_adapter *adapter;
 
 	mutex_lock(&dlpar_mem_lock);
-	ehea_info("LPAR memory enlarged - re-initializing driver");
+	ehea_info("LPAR memory changed - re-initializing driver");
 
 	list_for_each_entry(adapter, &adapter_list, list)
 		if (adapter->active_ports) {
@@ -2900,13 +2900,6 @@ static void ehea_rereg_mrs(struct work_struct *work)
 			}
 		}
 
-	ehea_destroy_busmap();
-	ret = ehea_create_busmap();
-	if (ret) {
-		ehea_error("creating ehea busmap failed");
-		goto out;
-	}
-
 	clear_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
 
 	list_for_each_entry(adapter, &adapter_list, list)
@@ -3519,9 +3512,21 @@ void ehea_crash_handler(void)
 static int ehea_mem_notifier(struct notifier_block *nb,
                              unsigned long action, void *data)
 {
+	struct memory_notify *arg = data;
 	switch (action) {
-	case MEM_OFFLINE:
-		ehea_info("memory has been removed");
+	case MEM_CANCEL_OFFLINE:
+		ehea_info("memory offlining canceled");
+		/* Readd canceled memory block */
+	case MEM_ONLINE:
+		ehea_info("memory is going online");
+		if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages))
+			return NOTIFY_BAD;
+		ehea_rereg_mrs(NULL);
+		break;
+	case MEM_GOING_OFFLINE:
+		ehea_info("memory is going offline");
+		if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages))
+			return NOTIFY_BAD;
 		ehea_rereg_mrs(NULL);
 		break;
 	default:
diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c
index db8a9257e68..9b61dc9865d 100644
--- a/drivers/net/ehea/ehea_qmr.c
+++ b/drivers/net/ehea/ehea_qmr.c
@@ -567,7 +567,7 @@ static inline int ehea_calc_index(unsigned long i, unsigned long s)
 static inline int ehea_init_top_bmap(struct ehea_top_bmap *ehea_top_bmap,
 				     int dir)
 {
-	if(!ehea_top_bmap->dir[dir]) {
+	if (!ehea_top_bmap->dir[dir]) {
 		ehea_top_bmap->dir[dir] =
 			kzalloc(sizeof(struct ehea_dir_bmap), GFP_KERNEL);
 		if (!ehea_top_bmap->dir[dir])
@@ -578,7 +578,7 @@ static inline int ehea_init_top_bmap(struct ehea_top_bmap *ehea_top_bmap,
 
 static inline int ehea_init_bmap(struct ehea_bmap *ehea_bmap, int top, int dir)
 {
-	if(!ehea_bmap->top[top]) {
+	if (!ehea_bmap->top[top]) {
 		ehea_bmap->top[top] =
 			kzalloc(sizeof(struct ehea_top_bmap), GFP_KERNEL);
 		if (!ehea_bmap->top[top])
@@ -587,53 +587,124 @@ static inline int ehea_init_bmap(struct ehea_bmap *ehea_bmap, int top, int dir)
 	return ehea_init_top_bmap(ehea_bmap->top[top], dir);
 }
 
-static int ehea_create_busmap_callback(unsigned long pfn,
-				       unsigned long nr_pages, void *arg)
-{
-	unsigned long i, mr_len, start_section, end_section;
-	start_section = (pfn * PAGE_SIZE) / EHEA_SECTSIZE;
-	end_section = start_section + ((nr_pages * PAGE_SIZE) / EHEA_SECTSIZE);
-	mr_len = *(unsigned long *)arg;
+static DEFINE_MUTEX(ehea_busmap_mutex);
+static unsigned long ehea_mr_len;
 
-	if (!ehea_bmap)
-		ehea_bmap = kzalloc(sizeof(struct ehea_bmap), GFP_KERNEL);
-	if (!ehea_bmap)
-		return -ENOMEM;
+#define EHEA_BUSMAP_ADD_SECT 1
+#define EHEA_BUSMAP_REM_SECT 0
 
-	for (i = start_section; i < end_section; i++) {
-		int ret;
-		int top, dir, idx;
-		u64 vaddr;
+static void ehea_rebuild_busmap(void)
+{
+	u64 vaddr = EHEA_BUSMAP_START;
+	int top, dir, idx;
+
+	for (top = 0; top < EHEA_MAP_ENTRIES; top++) {
+		struct ehea_top_bmap *ehea_top;
+		int valid_dir_entries = 0;
 
-		top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT);
-		dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT);
+		if (!ehea_bmap->top[top])
+			continue;
+		ehea_top = ehea_bmap->top[top];
+		for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) {
+			struct ehea_dir_bmap *ehea_dir;
+			int valid_entries = 0;
 
-		ret = ehea_init_bmap(ehea_bmap, top, dir);
-		if(ret)
-			return ret;
+			if (!ehea_top->dir[dir])
+				continue;
+			valid_dir_entries++;
+			ehea_dir = ehea_top->dir[dir];
+			for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) {
+				if (!ehea_dir->ent[idx])
+					continue;
+				valid_entries++;
+				ehea_dir->ent[idx] = vaddr;
+				vaddr += EHEA_SECTSIZE;
+			}
+			if (!valid_entries) {
+				ehea_top->dir[dir] = NULL;
+				kfree(ehea_dir);
+			}
+		}
+		if (!valid_dir_entries) {
+			ehea_bmap->top[top] = NULL;
+			kfree(ehea_top);
+		}
+	}
+}
 
-		idx = i & EHEA_INDEX_MASK;
-		vaddr = EHEA_BUSMAP_START + mr_len + i * EHEA_SECTSIZE;
+static int ehea_update_busmap(unsigned long pfn, unsigned long pgnum, int add)
+{
+	unsigned long i, start_section, end_section;
 
-		ehea_bmap->top[top]->dir[dir]->ent[idx] = vaddr;
+	if (!ehea_bmap) {
+		ehea_bmap = kzalloc(sizeof(struct ehea_bmap), GFP_KERNEL);
+		if (!ehea_bmap)
+			return -ENOMEM;
 	}
 
-	mr_len += nr_pages * PAGE_SIZE;
-	*(unsigned long *)arg = mr_len;
+	start_section = (pfn * PAGE_SIZE) / EHEA_SECTSIZE;
+	end_section = start_section + ((pgnum * PAGE_SIZE) / EHEA_SECTSIZE);
+	/* Mark entries as valid or invalid only; address is assigned later */
+	for (i = start_section; i < end_section; i++) {
+		u64 flag;
+		int top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT);
+		int dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT);
+		int idx = i & EHEA_INDEX_MASK;
+		
+		if (add) {
+			int ret = ehea_init_bmap(ehea_bmap, top, dir);
+			if (ret)
+				return ret;
+			flag = 1; /* valid */
+			ehea_mr_len += EHEA_SECTSIZE;
+		} else {
+			if (!ehea_bmap->top[top])
+				continue;
+			if (!ehea_bmap->top[top]->dir[dir])
+				continue;
+			flag = 0; /* invalid */
+			ehea_mr_len -= EHEA_SECTSIZE;
+		}
 
+		ehea_bmap->top[top]->dir[dir]->ent[idx] = flag;
+	}
+	ehea_rebuild_busmap(); /* Assign contiguous addresses for mr */
 	return 0;
 }
 
-static unsigned long ehea_mr_len;
+int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages)
+{
+	int ret;
 
-static DEFINE_MUTEX(ehea_busmap_mutex);
+	mutex_lock(&ehea_busmap_mutex);
+	ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_ADD_SECT);
+	mutex_unlock(&ehea_busmap_mutex);
+	return ret;
+}
+
+int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages)
+{
+	int ret;
+
+	mutex_lock(&ehea_busmap_mutex);
+	ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_REM_SECT);
+	mutex_unlock(&ehea_busmap_mutex);
+	return ret;
+}
+
+static int ehea_create_busmap_callback(unsigned long pfn,
+				       unsigned long nr_pages, void *arg)
+{
+	return ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_ADD_SECT);
+}
 
 int ehea_create_busmap(void)
 {
 	int ret;
+
 	mutex_lock(&ehea_busmap_mutex);
 	ehea_mr_len = 0;
-	ret = walk_memory_resource(0, 1ULL << MAX_PHYSMEM_BITS, &ehea_mr_len,
+	ret = walk_memory_resource(0, 1ULL << MAX_PHYSMEM_BITS, NULL,
 				   ehea_create_busmap_callback);
 	mutex_unlock(&ehea_busmap_mutex);
 	return ret;
diff --git a/drivers/net/ehea/ehea_qmr.h b/drivers/net/ehea/ehea_qmr.h
index 0bb6f92fa2f..1e58dc06b7d 100644
--- a/drivers/net/ehea/ehea_qmr.h
+++ b/drivers/net/ehea/ehea_qmr.h
@@ -378,6 +378,8 @@ int ehea_rem_mr(struct ehea_mr *mr);
 
 void ehea_error_data(struct ehea_adapter *adapter, u64 res_handle);
 
+int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages);
+int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages);
 int ehea_create_busmap(void);
 void ehea_destroy_busmap(void);
 u64 ehea_map_vaddr(void *caddr);
-- 
GitLab


From 6f8f6daa6db4c6b5ef8b7f9e62518fed91414670 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 22 Oct 2008 19:38:30 +0900
Subject: [PATCH 1803/2224] sh: Kill off unused p1fc divisors from SH7763 clk
 fwk.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/kernel/cpu/sh4a/clock-sh7763.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7763.c b/arch/sh/kernel/cpu/sh4a/clock-sh7763.c
index 45889d412c8..3177d0d1e06 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7763.c
@@ -18,7 +18,6 @@
 
 static int bfc_divisors[] = { 1, 1, 1, 8, 1, 1, 1, 1 };
 static int p0fc_divisors[] = { 1, 1, 1, 8, 1, 1, 1, 1 };
-static int p1fc_divisors[] = { 1, 1, 1, 16, 1, 1, 1, 1 };
 static int cfc_divisors[] = { 1, 1, 4, 1, 1, 1, 1, 1 };
 
 static void master_clk_init(struct clk *clk)
-- 
GitLab


From c54106bb3856a7726a814d54aa0eb32f5419a743 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 16 Oct 2008 21:26:57 -0700
Subject: [PATCH 1804/2224] igb: fix tx data corruption with transition to L0s
 on 82575

The 82575 has an issue in which the DMA will go out of sync if the link
partner goes into an L0s state.  To prevent this we set the pci-e link
partner capability bits to disable the L0s transition on the hw.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/igb/igb_main.c | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 93d02efa9a0..33bd7bb0aac 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -38,6 +38,7 @@
 #include <linux/ethtool.h>
 #include <linux/if_vlan.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/if_ether.h>
@@ -966,10 +967,11 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	struct net_device *netdev;
 	struct igb_adapter *adapter;
 	struct e1000_hw *hw;
+	struct pci_dev *us_dev;
 	const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
 	unsigned long mmio_start, mmio_len;
-	int i, err, pci_using_dac;
-	u16 eeprom_data = 0;
+	int i, err, pci_using_dac, pos;
+	u16 eeprom_data = 0, state = 0;
 	u16 eeprom_apme_mask = IGB_EEPROM_APME;
 	u32 part_num;
 	int bars, need_ioport;
@@ -1004,6 +1006,28 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 		}
 	}
 
+	/* 82575 requires that the pci-e link partner disable the L0s state */
+	switch (pdev->device) {
+	case E1000_DEV_ID_82575EB_COPPER:
+	case E1000_DEV_ID_82575EB_FIBER_SERDES:
+	case E1000_DEV_ID_82575GB_QUAD_COPPER:
+		us_dev = pdev->bus->self;
+		pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
+		if (pos) {
+			pci_read_config_word(us_dev, pos + PCI_EXP_LNKCTL,
+			                     &state);
+			state &= ~PCIE_LINK_STATE_L0S;
+			pci_write_config_word(us_dev, pos + PCI_EXP_LNKCTL,
+			                      state);
+			printk(KERN_INFO "Disabling ASPM L0s upstream switch "
+			       "port %x:%x.%x\n", us_dev->bus->number,
+			       PCI_SLOT(us_dev->devfn),
+			       PCI_FUNC(us_dev->devfn));
+		}
+	default:
+		break;
+	}
+
 	err = pci_request_selected_regions(pdev, bars, igb_driver_name);
 	if (err)
 		goto err_pci_reg;
-- 
GitLab


From 421e02f0e9c3335028750ee411e5534dab82efbd Mon Sep 17 00:00:00 2001
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Fri, 17 Oct 2008 11:08:31 -0700
Subject: [PATCH 1805/2224] igb: add IGB_DCA instead of selecting INTEL_IOATDMA

Add a bool IGB_DCA defined to y if IGB and DCA are enabled, but IGB isn't y while DCA=m.  And thus remove the need to select INTEL_IOATDMA when IGB is enabled, so that non-x86 architectures can build the igb driver.
Based on work/patch from Brice Goglin <brice@myri.com>

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/Kconfig        |  5 +++++
 drivers/net/igb/igb_main.c | 32 ++++++++++++++++----------------
 2 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 021e8f16740..c7f020c4f14 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2003,6 +2003,11 @@ config IGB_LRO
 
 	  If in doubt, say N.
 
+config IGB_DCA
+	bool "Enable DCA"
+	default y
+	depends on IGB && DCA && !(IGB=y && DCA=m)
+
 source "drivers/net/ixp2000/Kconfig"
 
 config MYRI_SBUS
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 33bd7bb0aac..1f397cd9941 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -42,7 +42,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/if_ether.h>
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 #include <linux/dca.h>
 #endif
 #include "igb.h"
@@ -107,11 +107,11 @@ static irqreturn_t igb_msix_other(int irq, void *);
 static irqreturn_t igb_msix_rx(int irq, void *);
 static irqreturn_t igb_msix_tx(int irq, void *);
 static int igb_clean_rx_ring_msix(struct napi_struct *, int);
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 static void igb_update_rx_dca(struct igb_ring *);
 static void igb_update_tx_dca(struct igb_ring *);
 static void igb_setup_dca(struct igb_adapter *);
-#endif /* CONFIG_DCA */
+#endif /* CONFIG_IGB_DCA */
 static bool igb_clean_tx_irq(struct igb_ring *);
 static int igb_poll(struct napi_struct *, int);
 static bool igb_clean_rx_irq_adv(struct igb_ring *, int *, int);
@@ -132,7 +132,7 @@ static int igb_suspend(struct pci_dev *, pm_message_t);
 static int igb_resume(struct pci_dev *);
 #endif
 static void igb_shutdown(struct pci_dev *);
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 static int igb_notify_dca(struct notifier_block *, unsigned long, void *);
 static struct notifier_block dca_notifier = {
 	.notifier_call	= igb_notify_dca,
@@ -208,7 +208,7 @@ static int __init igb_init_module(void)
 	global_quad_port_a = 0;
 
 	ret = pci_register_driver(&igb_driver);
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	dca_register_notify(&dca_notifier);
 #endif
 	return ret;
@@ -224,7 +224,7 @@ module_init(igb_init_module);
  **/
 static void __exit igb_exit_module(void)
 {
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	dca_unregister_notify(&dca_notifier);
 #endif
 	pci_unregister_driver(&igb_driver);
@@ -1261,7 +1261,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	if (err)
 		goto err_register;
 
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	if ((adapter->flags & IGB_FLAG_HAS_DCA) &&
 	    (dca_add_requester(&pdev->dev) == 0)) {
 		adapter->flags |= IGB_FLAG_DCA_ENABLED;
@@ -1335,7 +1335,7 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct igb_adapter *adapter = netdev_priv(netdev);
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	struct e1000_hw *hw = &adapter->hw;
 #endif
 
@@ -1347,7 +1347,7 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 
 	flush_scheduled_work();
 
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
 		dev_info(&pdev->dev, "DCA disabled\n");
 		dca_remove_requester(&pdev->dev);
@@ -3295,7 +3295,7 @@ static irqreturn_t igb_msix_tx(int irq, void *data)
 	struct igb_adapter *adapter = tx_ring->adapter;
 	struct e1000_hw *hw = &adapter->hw;
 
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 		igb_update_tx_dca(tx_ring);
 #endif
@@ -3347,14 +3347,14 @@ static irqreturn_t igb_msix_rx(int irq, void *data)
 	if (netif_rx_schedule_prep(adapter->netdev, &rx_ring->napi))
 		__netif_rx_schedule(adapter->netdev, &rx_ring->napi);
 
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 		igb_update_rx_dca(rx_ring);
 #endif
 		return IRQ_HANDLED;
 }
 
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 static void igb_update_rx_dca(struct igb_ring *rx_ring)
 {
 	u32 dca_rxctrl;
@@ -3474,7 +3474,7 @@ static int igb_notify_dca(struct notifier_block *nb, unsigned long event,
 
 	return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
 }
-#endif /* CONFIG_DCA */
+#endif /* CONFIG_IGB_DCA */
 
 /**
  * igb_intr_msi - Interrupt Handler
@@ -3553,13 +3553,13 @@ static int igb_poll(struct napi_struct *napi, int budget)
 	int tx_clean_complete, work_done = 0;
 
 	/* this poll routine only supports one tx and one rx queue */
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 		igb_update_tx_dca(&adapter->tx_ring[0]);
 #endif
 	tx_clean_complete = igb_clean_tx_irq(&adapter->tx_ring[0]);
 
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 		igb_update_rx_dca(&adapter->rx_ring[0]);
 #endif
@@ -3587,7 +3587,7 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget)
 	struct net_device *netdev = adapter->netdev;
 	int work_done = 0;
 
-#ifdef CONFIG_DCA
+#ifdef CONFIG_IGB_DCA
 	if (adapter->flags & IGB_FLAG_DCA_ENABLED)
 		igb_update_rx_dca(rx_ring);
 #endif
-- 
GitLab


From de4549cae088a74262834178b71fb25dbec2c376 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 21 Oct 2008 18:04:27 -0700
Subject: [PATCH 1806/2224] 8139x: reduce message severity on driver overlap

The 8139 drivers are a source of error messages that confuse users.

Since this device can not be disambiguated by normal PCI device
id's two drivers match the same info. But the module utilities
seem to correctly handle this overlap, they try one driver, then
if that doesn't load try the other. Therefore there is no need for
a message to be logged with error level severity, just using info
level instead. Can't be completely silent because user might have
configure one driver and forgot the other one.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/8139cp.c  | 5 ++---
 drivers/net/8139too.c | 5 ++---
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 85fa40a0a66..9ba1f0b4642 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1836,10 +1836,9 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
 	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision < 0x20) {
-		dev_err(&pdev->dev,
-			   "This (id %04x:%04x rev %02x) is not an 8139C+ compatible chip\n",
+		dev_info(&pdev->dev,
+			   "This (id %04x:%04x rev %02x) is not an 8139C+ compatible chip, use 8139too\n",
 		           pdev->vendor, pdev->device, pdev->revision);
-		dev_err(&pdev->dev, "Try the \"8139too\" driver instead.\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 0daf8c15e38..63f906b0489 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -946,10 +946,9 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
 	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
 	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) {
 		dev_info(&pdev->dev,
-			   "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip\n",
+			   "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip, use 8139cp\n",
 		       	   pdev->vendor, pdev->device, pdev->revision);
-		dev_info(&pdev->dev,
-			   "Use the \"8139cp\" driver for improved performance and stability.\n");
+		return -ENODEV;
 	}
 
 	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
-- 
GitLab


From 708f6e27c3f75166433b69174a8348308e55d073 Mon Sep 17 00:00:00 2001
From: Francois Romieu <romieu@fr.zoreil.com>
Date: Mon, 20 Oct 2008 23:37:55 +0200
Subject: [PATCH 1807/2224] sis190: add identifier for Atheros AR8021 PHY

Fixes http://bugzilla.kernel.org/show_bug.cgi?id=10994

Contributed by pablomme@googlemail.com, coenraad@wish.org.za
and a few others.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/sis190.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index 3fe01763760..e6e3bf58a56 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -317,6 +317,7 @@ static struct mii_chip_info {
         unsigned int type;
 	u32 feature;
 } mii_chip_table[] = {
+	{ "Atheros PHY AR8012",   { 0x004d, 0xd020 }, LAN, 0 },
 	{ "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 },
 	{ "Broadcom PHY AC131",   { 0x0143, 0xbc70 }, LAN, 0 },
 	{ "Agere PHY ET1101B",    { 0x0282, 0xf010 }, LAN, 0 },
-- 
GitLab


From bd2c4972fff2d621383bc2c3389a7b1ac7eca8f1 Mon Sep 17 00:00:00 2001
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Mon, 20 Oct 2008 18:15:17 +0100
Subject: [PATCH 1808/2224] smc911x: Allow Kconfig dependency on ARM

Since more ARM platforms use this device, it is easier to add a
dependency on ARM rather than individual platforms.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index c7f020c4f14..a76ca75fd4d 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -960,7 +960,7 @@ config SMC911X
 	tristate "SMSC LAN911[5678] support"
 	select CRC32
 	select MII
-	depends on ARCH_PXA || SUPERH
+	depends on ARM || SUPERH
 	help
 	  This is a driver for SMSC's LAN911x series of Ethernet chipsets
 	  including the new LAN9115, LAN9116, LAN9117, and LAN9118.
-- 
GitLab


From 319edafef64406c971035c56bd68480e5a82b581 Mon Sep 17 00:00:00 2001
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Mon, 20 Oct 2008 18:15:30 +0100
Subject: [PATCH 1809/2224] smc911x: Add IRQ polarity configuration

Platforms like ARM Ltd's RealView require the IRQ polarity bit to be set
for the SMC9118 chip. This patch allows the dynamic configuration via
the smc911x_platdata structure.

This patch also changes the smc91x_platdata structure name to the
correct smc911x_platdata in the smc911x_drv_probe() function.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/smc911x.c   | 11 ++++++++---
 include/linux/smc911x.h |  1 +
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index ec32b5d89c9..2c78229ad04 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -180,7 +180,7 @@ static void PRINT_PKT(u_char *buf, int length)
 static void smc911x_reset(struct net_device *dev)
 {
 	struct smc911x_local *lp = netdev_priv(dev);
-	unsigned int reg, timeout=0, resets=1;
+	unsigned int reg, timeout=0, resets=1, irq_cfg;
 	unsigned long flags;
 
 	DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
@@ -252,7 +252,12 @@ static void smc911x_reset(struct net_device *dev)
 	 * Deassert IRQ for 1*10us for edge type interrupts
 	 * and drive IRQ pin push-pull
 	 */
-	SMC_SET_IRQ_CFG(lp, (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_);
+	irq_cfg = (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_;
+#ifdef SMC_DYNAMIC_BUS_CONFIG
+	if (lp->cfg.irq_polarity)
+		irq_cfg |= INT_CFG_IRQ_POL_;
+#endif
+	SMC_SET_IRQ_CFG(lp, irq_cfg);
 
 	/* clear anything saved */
 	if (lp->pending_tx_skb != NULL) {
@@ -2054,7 +2059,7 @@ err_out:
  */
 static int smc911x_drv_probe(struct platform_device *pdev)
 {
-	struct smc91x_platdata *pd = pdev->dev.platform_data;
+	struct smc911x_platdata *pd = pdev->dev.platform_data;
 	struct net_device *ndev;
 	struct resource *res;
 	struct smc911x_local *lp;
diff --git a/include/linux/smc911x.h b/include/linux/smc911x.h
index b58f54c2418..521f37143fa 100644
--- a/include/linux/smc911x.h
+++ b/include/linux/smc911x.h
@@ -7,6 +7,7 @@
 struct smc911x_platdata {
 	unsigned long flags;
 	unsigned long irq_flags; /* IRQF_... */
+	int irq_polarity;
 };
 
 #endif /* __SMC911X_H__ */
-- 
GitLab


From b891a9023bc4fc639b31c234a705e7e51104cf22 Mon Sep 17 00:00:00 2001
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Mon, 20 Oct 2008 18:15:37 +0100
Subject: [PATCH 1810/2224] smc911x: Make the driver safer on SMP

This patch extends the critical regions covered by lp->lock to make it
safer on SMP. The main failure point was the smc911x_hard_start_xmit
function being called from different CPUs. It was tested on the ARM SMP
platforms.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/smc911x.c | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 2c78229ad04..f59c7772f34 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -155,23 +155,17 @@ static void PRINT_PKT(u_char *buf, int length)
 /* this enables an interrupt in the interrupt mask register */
 #define SMC_ENABLE_INT(lp, x) do {			\
 	unsigned int  __mask;				\
-	unsigned long __flags;				\
-	spin_lock_irqsave(&lp->lock, __flags);		\
 	__mask = SMC_GET_INT_EN((lp));			\
 	__mask |= (x);					\
 	SMC_SET_INT_EN((lp), __mask);			\
-	spin_unlock_irqrestore(&lp->lock, __flags);	\
 } while (0)
 
 /* this disables an interrupt from the interrupt mask register */
 #define SMC_DISABLE_INT(lp, x) do {			\
 	unsigned int  __mask;				\
-	unsigned long __flags;				\
-	spin_lock_irqsave(&lp->lock, __flags);		\
 	__mask = SMC_GET_INT_EN((lp));			\
 	__mask &= ~(x);					\
 	SMC_SET_INT_EN((lp), __mask);			\
-	spin_unlock_irqrestore(&lp->lock, __flags);	\
 } while (0)
 
 /*
@@ -279,6 +273,8 @@ static void smc911x_enable(struct net_device *dev)
 
 	DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __func__);
 
+	spin_lock_irqsave(&lp->lock, flags);
+
 	SMC_SET_MAC_ADDR(lp, dev->dev_addr);
 
 	/* Enable TX */
@@ -291,12 +287,10 @@ static void smc911x_enable(struct net_device *dev)
 	SMC_SET_FIFO_TSL(lp, 64);
 	SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
 
-	spin_lock_irqsave(&lp->lock, flags);
 	SMC_GET_MAC_CR(lp, cr);
 	cr |= MAC_CR_TXEN_ | MAC_CR_HBDIS_;
 	SMC_SET_MAC_CR(lp, cr);
 	SMC_SET_TX_CFG(lp, TX_CFG_TX_ON_);
-	spin_unlock_irqrestore(&lp->lock, flags);
 
 	/* Add 2 byte padding to start of packets */
 	SMC_SET_RX_CFG(lp, (2<<8) & RX_CFG_RXDOFF_);
@@ -305,9 +299,7 @@ static void smc911x_enable(struct net_device *dev)
 	if (cr & MAC_CR_RXEN_)
 		DBG(SMC_DEBUG_RX, "%s: Receiver already enabled\n", dev->name);
 
-	spin_lock_irqsave(&lp->lock, flags);
 	SMC_SET_MAC_CR(lp, cr | MAC_CR_RXEN_);
-	spin_unlock_irqrestore(&lp->lock, flags);
 
 	/* Interrupt on every received packet */
 	SMC_SET_FIFO_RSA(lp, 0x01);
@@ -323,6 +315,8 @@ static void smc911x_enable(struct net_device *dev)
 		mask|=INT_EN_RDFO_EN_;
 	}
 	SMC_ENABLE_INT(lp, mask);
+
+	spin_unlock_irqrestore(&lp->lock, flags);
 }
 
 /*
@@ -463,7 +457,6 @@ static void smc911x_hardware_send_pkt(struct net_device *dev)
 	struct sk_buff *skb;
 	unsigned int cmdA, cmdB, len;
 	unsigned char *buf;
-	unsigned long flags;
 
 	DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n", dev->name, __func__);
 	BUG_ON(lp->pending_tx_skb == NULL);
@@ -508,11 +501,9 @@ static void smc911x_hardware_send_pkt(struct net_device *dev)
 	dev->trans_start = jiffies;
 	dev_kfree_skb(skb);
 #endif
-	spin_lock_irqsave(&lp->lock, flags);
 	if (!lp->tx_throttle) {
 		netif_wake_queue(dev);
 	}
-	spin_unlock_irqrestore(&lp->lock, flags);
 	SMC_ENABLE_INT(lp, INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_);
 }
 
@@ -531,6 +522,8 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n",
 		dev->name, __func__);
 
+	spin_lock_irqsave(&lp->lock, flags);
+
 	BUG_ON(lp->pending_tx_skb != NULL);
 
 	free = SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TDFREE_;
@@ -540,12 +533,10 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (free <= SMC911X_TX_FIFO_LOW_THRESHOLD) {
 		DBG(SMC_DEBUG_TX, "%s: Disabling data flow due to low FIFO space (%d)\n",
 			dev->name, free);
-		spin_lock_irqsave(&lp->lock, flags);
 		/* Reenable when at least 1 packet of size MTU present */
 		SMC_SET_FIFO_TDA(lp, (SMC911X_TX_FIFO_LOW_THRESHOLD)/64);
 		lp->tx_throttle = 1;
 		netif_stop_queue(dev);
-		spin_unlock_irqrestore(&lp->lock, flags);
 	}
 
 	/* Drop packets when we run out of space in TX FIFO
@@ -561,6 +552,7 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		lp->pending_tx_skb = NULL;
 		dev->stats.tx_errors++;
 		dev->stats.tx_dropped++;
+		spin_unlock_irqrestore(&lp->lock, flags);
 		dev_kfree_skb(skb);
 		return 0;
 	}
@@ -570,7 +562,6 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		/* If the DMA is already running then defer this packet Tx until
 		 * the DMA IRQ starts it
 		 */
-		spin_lock_irqsave(&lp->lock, flags);
 		if (lp->txdma_active) {
 			DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: Tx DMA running, deferring packet\n", dev->name);
 			lp->pending_tx_skb = skb;
@@ -581,11 +572,11 @@ static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 			DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: Activating Tx DMA\n", dev->name);
 			lp->txdma_active = 1;
 		}
-		spin_unlock_irqrestore(&lp->lock, flags);
 	}
 #endif
 	lp->pending_tx_skb = skb;
 	smc911x_hardware_send_pkt(dev);
+	spin_unlock_irqrestore(&lp->lock, flags);
 
 	return 0;
 }
-- 
GitLab


From bb0d215c8f970345746129d4c110159b099e032f Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Mon, 20 Oct 2008 10:30:26 -0700
Subject: [PATCH 1811/2224] qlge: Fix MSI/legacy single interrupt bug.

The chip can issue spurious interrupts for single interrupt
modes. We use disable to clear the condition and allow processing to
continue. Also got rid of legacy specific code since it now needs to
be done on MSI single irq also.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/qlge/qlge.h      |  5 +-
 drivers/net/qlge/qlge_main.c | 89 +++++++++++++++++++-----------------
 2 files changed, 47 insertions(+), 47 deletions(-)

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 38116f9d416..ba2e1c5b6bc 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1375,7 +1375,6 @@ struct ql_adapter {
 	spinlock_t adapter_lock;
 	spinlock_t hw_lock;
 	spinlock_t stats_lock;
-	spinlock_t legacy_lock;	/* used for maintaining legacy intr sync */
 
 	/* PCI Bus Relative Register Addresses */
 	void __iomem *reg_base;
@@ -1399,8 +1398,6 @@ struct ql_adapter {
 	struct msix_entry *msi_x_entry;
 	struct intr_context intr_context[MAX_RX_RINGS];
 
-	int (*legacy_check) (struct ql_adapter *);
-
 	int tx_ring_count;	/* One per online CPU. */
 	u32 rss_ring_first_cq_id;/* index of first inbound (rss) rx_ring */
 	u32 rss_ring_count;	/* One per online CPU.  */
@@ -1502,7 +1499,7 @@ void ql_mpi_work(struct work_struct *work);
 void ql_mpi_reset_work(struct work_struct *work);
 int ql_wait_reg_rdy(struct ql_adapter *qdev, u32 reg, u32 bit, u32 ebit);
 void ql_queue_asic_error(struct ql_adapter *qdev);
-void ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr);
+u32 ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr);
 void ql_set_ethtool_ops(struct net_device *ndev);
 int ql_read_xgmac_reg64(struct ql_adapter *qdev, u32 reg, u64 *data);
 
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 4b2caa6b7ac..b83a9c9b6a9 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -577,41 +577,53 @@ static void ql_disable_interrupts(struct ql_adapter *qdev)
  * incremented everytime we queue a worker and decremented everytime
  * a worker finishes.  Once it hits zero we enable the interrupt.
  */
-void ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr)
+u32 ql_enable_completion_interrupt(struct ql_adapter *qdev, u32 intr)
 {
-	if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags)))
+	u32 var = 0;
+	unsigned long hw_flags = 0;
+	struct intr_context *ctx = qdev->intr_context + intr;
+
+	if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags) && intr)) {
+		/* Always enable if we're MSIX multi interrupts and
+		 * it's not the default (zeroeth) interrupt.
+		 */
 		ql_write32(qdev, INTR_EN,
-			   qdev->intr_context[intr].intr_en_mask);
-	else {
-		if (qdev->legacy_check)
-			spin_lock(&qdev->legacy_lock);
-		if (atomic_dec_and_test(&qdev->intr_context[intr].irq_cnt)) {
-			QPRINTK(qdev, INTR, ERR, "Enabling interrupt %d.\n",
-				intr);
-			ql_write32(qdev, INTR_EN,
-				   qdev->intr_context[intr].intr_en_mask);
-		} else {
-			QPRINTK(qdev, INTR, ERR,
-				"Skip enable, other queue(s) are active.\n");
-		}
-		if (qdev->legacy_check)
-			spin_unlock(&qdev->legacy_lock);
+			   ctx->intr_en_mask);
+		var = ql_read32(qdev, STS);
+		return var;
 	}
+
+	spin_lock_irqsave(&qdev->hw_lock, hw_flags);
+	if (atomic_dec_and_test(&ctx->irq_cnt)) {
+		ql_write32(qdev, INTR_EN,
+			   ctx->intr_en_mask);
+		var = ql_read32(qdev, STS);
+	}
+	spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
+	return var;
 }
 
 static u32 ql_disable_completion_interrupt(struct ql_adapter *qdev, u32 intr)
 {
 	u32 var = 0;
+	unsigned long hw_flags;
+	struct intr_context *ctx;
 
-	if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags)))
-		goto exit;
-	else if (!atomic_read(&qdev->intr_context[intr].irq_cnt)) {
+	/* HW disables for us if we're MSIX multi interrupts and
+	 * it's not the default (zeroeth) interrupt.
+	 */
+	if (likely(test_bit(QL_MSIX_ENABLED, &qdev->flags) && intr))
+		return 0;
+
+	ctx = qdev->intr_context + intr;
+	spin_lock_irqsave(&qdev->hw_lock, hw_flags);
+	if (!atomic_read(&ctx->irq_cnt)) {
 		ql_write32(qdev, INTR_EN,
-			   qdev->intr_context[intr].intr_dis_mask);
+		ctx->intr_dis_mask);
 		var = ql_read32(qdev, STS);
 	}
-	atomic_inc(&qdev->intr_context[intr].irq_cnt);
-exit:
+	atomic_inc(&ctx->irq_cnt);
+	spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 	return var;
 }
 
@@ -623,7 +635,9 @@ static void ql_enable_all_completion_interrupts(struct ql_adapter *qdev)
 		 * and enables only if the result is zero.
 		 * So we precharge it here.
 		 */
-		atomic_set(&qdev->intr_context[i].irq_cnt, 1);
+		if (unlikely(!test_bit(QL_MSIX_ENABLED, &qdev->flags) ||
+			i == 0))
+			atomic_set(&qdev->intr_context[i].irq_cnt, 1);
 		ql_enable_completion_interrupt(qdev, i);
 	}
 
@@ -1725,19 +1739,6 @@ static irqreturn_t qlge_msix_rx_isr(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-/* We check here to see if we're already handling a legacy
- * interrupt.  If we are, then it must belong to another
- * chip with which we're sharing the interrupt line.
- */
-int ql_legacy_check(struct ql_adapter *qdev)
-{
-	int err;
-	spin_lock(&qdev->legacy_lock);
-	err = atomic_read(&qdev->intr_context[0].irq_cnt);
-	spin_unlock(&qdev->legacy_lock);
-	return err;
-}
-
 /* This handles a fatal error, MPI activity, and the default
  * rx_ring in an MSI-X multiple vector environment.
  * In MSI/Legacy environment it also process the rest of
@@ -1752,12 +1753,15 @@ static irqreturn_t qlge_isr(int irq, void *dev_id)
 	int i;
 	int work_done = 0;
 
-	if (qdev->legacy_check && qdev->legacy_check(qdev)) {
-		QPRINTK(qdev, INTR, INFO, "Already busy, not our interrupt.\n");
-		return IRQ_NONE;	/* Not our interrupt */
+	spin_lock(&qdev->hw_lock);
+	if (atomic_read(&qdev->intr_context[0].irq_cnt)) {
+		QPRINTK(qdev, INTR, DEBUG, "Shared Interrupt, Not ours!\n");
+		spin_unlock(&qdev->hw_lock);
+		return IRQ_NONE;
 	}
+	spin_unlock(&qdev->hw_lock);
 
-	var = ql_read32(qdev, STS);
+	var = ql_disable_completion_interrupt(qdev, intr_context->intr);
 
 	/*
 	 * Check for fatal error.
@@ -1823,6 +1827,7 @@ static irqreturn_t qlge_isr(int irq, void *dev_id)
 			}
 		}
 	}
+	ql_enable_completion_interrupt(qdev, intr_context->intr);
 	return work_done ? IRQ_HANDLED : IRQ_NONE;
 }
 
@@ -2701,8 +2706,6 @@ msi:
 		}
 	}
 	irq_type = LEG_IRQ;
-	spin_lock_init(&qdev->legacy_lock);
-	qdev->legacy_check = ql_legacy_check;
 	QPRINTK(qdev, IFUP, DEBUG, "Running with legacy interrupts.\n");
 }
 
-- 
GitLab


From 4bb273e95578436bedf44741c97c2b7812fa8ada Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 22 Oct 2008 20:05:11 +0900
Subject: [PATCH 1812/2224] sh: update defconfigs.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/configs/ap325rxa_defconfig            |   72 +-
 arch/sh/configs/cayman_defconfig              |  406 +++++--
 arch/sh/configs/dreamcast_defconfig           |   76 +-
 arch/sh/configs/edosk7760_defconfig           |  168 ++-
 arch/sh/configs/hp6xx_defconfig               |   65 +-
 arch/sh/configs/landisk_defconfig             |  129 +-
 arch/sh/configs/lboxre2_defconfig             |   88 +-
 arch/sh/configs/magicpanelr2_defconfig        |   78 +-
 arch/sh/configs/microdev_defconfig            |   83 +-
 arch/sh/configs/migor_defconfig               |  125 +-
 arch/sh/configs/r7780mp_defconfig             |  223 +++-
 arch/sh/configs/r7785rp_defconfig             |  280 ++++-
 arch/sh/configs/rsk7203_defconfig             |  111 +-
 arch/sh/configs/rts7751r2d1_defconfig         |  121 +-
 arch/sh/configs/rts7751r2dplus_defconfig      |  121 +-
 arch/sh/configs/rts7751r2dplus_qemu_defconfig |   72 +-
 arch/sh/configs/sdk7780_defconfig             |  135 ++-
 arch/sh/configs/se7206_defconfig              |   75 +-
 arch/sh/configs/se7343_defconfig              |   80 +-
 arch/sh/configs/se7619_defconfig              |   56 +-
 arch/sh/configs/se7705_defconfig              |  659 +++++-----
 arch/sh/configs/se7712_defconfig              |  113 +-
 arch/sh/configs/se7721_defconfig              |  263 ++--
 arch/sh/configs/se7722_defconfig              |  458 ++++---
 arch/sh/configs/se7750_defconfig              |  700 +++++------
 arch/sh/configs/se7751_defconfig              |  693 ++++++-----
 arch/sh/configs/se7780_defconfig              |  292 +++--
 arch/sh/configs/sh03_defconfig                |  801 +++++++------
 arch/sh/configs/sh7710voipgw_defconfig        |  222 ++--
 arch/sh/configs/sh7763rdp_defconfig           |   75 +-
 arch/sh/configs/sh7785lcr_defconfig           |  199 +++-
 arch/sh/configs/shmin_defconfig               |  639 +++++-----
 arch/sh/configs/shx3_defconfig                |  627 ++++++++--
 arch/sh/configs/snapgear_defconfig            |  237 ++--
 arch/sh/configs/systemh_defconfig             |  478 ++++----
 arch/sh/configs/titan_defconfig               | 1061 ++++++++---------
 36 files changed, 6098 insertions(+), 3983 deletions(-)

diff --git a/arch/sh/configs/ap325rxa_defconfig b/arch/sh/configs/ap325rxa_defconfig
index 851c870adf3..874dd9726e5 100644
--- a/arch/sh/configs/ap325rxa_defconfig
+++ b/arch/sh/configs/ap325rxa_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.27-rc4
-# Tue Aug 26 14:21:17 2008
+# Linux kernel version: 2.6.27
+# Tue Oct 21 18:20:06 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -13,11 +13,12 @@ CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
@@ -72,22 +73,20 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -120,6 +119,7 @@ CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -190,12 +190,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -289,6 +290,8 @@ CONFIG_CMDLINE="console=tty1 console=ttySC5,38400 root=/dev/nfs ip=dhcp"
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 CONFIG_NET=y
 
@@ -339,6 +342,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -359,11 +363,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -455,7 +458,15 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=0
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-# CONFIG_MTD_NAND is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+CONFIG_MTD_NAND_SH_FLCTL=y
 # CONFIG_MTD_ONENAND is not set
 
 #
@@ -541,6 +552,9 @@ CONFIG_SMC911X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -645,6 +659,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -692,6 +707,8 @@ CONFIG_UIO=y
 # CONFIG_UIO_PDRV is not set
 CONFIG_UIO_PDRV_GENIRQ=y
 # CONFIG_UIO_SMX is not set
+# CONFIG_UIO_SERCOS3 is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -705,12 +722,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -743,6 +761,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -785,6 +804,7 @@ CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -855,7 +875,12 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -866,14 +891,19 @@ CONFIG_SYSCTL_SYSCALL_CHECK=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -946,13 +976,17 @@ CONFIG_CRYPTO_CBC=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/cayman_defconfig b/arch/sh/configs/cayman_defconfig
index a05b278d72f..e21c0e8e22d 100644
--- a/arch/sh/configs/cayman_defconfig
+++ b/arch/sh/configs/cayman_defconfig
@@ -1,22 +1,25 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.24-rc3
-# Fri Nov 23 14:15:55 2007
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:04:52 2008
 #
 CONFIG_SUPERH=y
 # CONFIG_SUPERH32 is not set
 CONFIG_SUPERH64=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/cayman_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 # CONFIG_GENERIC_TIME is not set
 # CONFIG_GENERIC_CLOCKEVENTS is not set
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
@@ -36,17 +39,15 @@ CONFIG_SWAP=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_PID_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CGROUPS is not set
-CONFIG_FAIR_GROUP_SCHED=y
-CONFIG_FAIR_USER_SCHED=y
-# CONFIG_FAIR_CGROUP_SCHED is not set
+# CONFIG_GROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
 # CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
@@ -60,21 +61,33 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
@@ -85,6 +98,7 @@ CONFIG_BLOCK=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -98,13 +112,18 @@ CONFIG_IOSCHED_CFQ=y
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
 CONFIG_CPU_SH5=y
 # CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -113,6 +132,7 @@ CONFIG_CPU_SH5=y
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
 # CONFIG_CPU_SUBTYPE_SH7712 is not set
 # CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -121,12 +141,15 @@ CONFIG_CPU_SH5=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
 # CONFIG_CPU_SUBTYPE_SH7785 is not set
 # CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
 # CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
 CONFIG_CPU_SUBTYPE_SH5_101=y
 # CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
@@ -147,7 +170,9 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_HUGETLB_PAGE_SIZE_64K=y
 # CONFIG_HUGETLB_PAGE_SIZE_256K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_1MB is not set
@@ -161,11 +186,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -196,7 +223,6 @@ CONFIG_SH_CAYMAN=y
 #
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=50000000
-# CONFIG_TICK_ONESHOT is not set
 
 #
 # CPU Frequency scaling
@@ -225,13 +251,12 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
-# CONFIG_KEXEC is not set
-# CONFIG_CRASH_DUMP is not set
+# CONFIG_SCHED_HRTICK is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-CONFIG_PREEMPT_BKL=y
-CONFIG_GUSA=y
+# CONFIG_PREEMPT_RCU is not set
 
 #
 # Boot options
@@ -257,11 +282,9 @@ CONFIG_PCI_LEGACY=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -274,6 +297,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -303,8 +327,6 @@ CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
@@ -312,6 +334,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -328,14 +351,14 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -371,14 +394,18 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_PHANTOM is not set
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -438,6 +465,7 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
 # CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
@@ -449,6 +477,7 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
 # CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_DH is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 # CONFIG_FUSION is not set
@@ -456,18 +485,20 @@ CONFIG_SCSI_LOWLEVEL=y
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# Enable only one of the two stacks, unless you know what you are doing
+#
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
 # CONFIG_VETH is not set
-# CONFIG_IP1000 is not set
 # CONFIG_ARCNET is not set
 # CONFIG_PHYLIB is not set
 CONFIG_NET_ETHERNET=y
@@ -486,13 +517,19 @@ CONFIG_NET_ETHERNET=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_NET_PCI is not set
 # CONFIG_B44 is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 # CONFIG_E1000 is not set
 # CONFIG_E1000E is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
@@ -500,15 +537,17 @@ CONFIG_NETDEV_1000=y
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 # CONFIG_SKY2 is not set
-# CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
 # CONFIG_BNX2 is not set
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
@@ -517,6 +556,9 @@ CONFIG_NETDEV_10000=y
 # CONFIG_NIU is not set
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
+# CONFIG_SFC is not set
 # CONFIG_TR is not set
 
 #
@@ -524,13 +566,13 @@ CONFIG_NETDEV_10000=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
 # CONFIG_NET_FC is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
@@ -575,10 +617,13 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
 
 #
 # Serial drivers
@@ -603,16 +648,14 @@ CONFIG_DEVPORT=y
 CONFIG_I2C=m
 CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
-# I2C Algorithms
+# I2C Hardware Bus support
 #
-# CONFIG_I2C_ALGOBIT is not set
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
 
 #
-# I2C Hardware Bus support
+# PC SMBus host controller drivers
 #
 # CONFIG_I2C_ALI1535 is not set
 # CONFIG_I2C_ALI1563 is not set
@@ -620,31 +663,47 @@ CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_AMD756 is not set
 # CONFIG_I2C_AMD8111 is not set
 # CONFIG_I2C_I801 is not set
-# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_ISCH is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_I2C_SIMTEC is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
 # CONFIG_I2C_VIA is not set
 # CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SH_MOBILE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
 # CONFIG_I2C_VOODOO3 is not set
 
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
 #
 # Miscellaneous I2C Chip support
 #
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
 # CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
@@ -653,16 +712,12 @@ CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
@@ -671,6 +726,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
 # CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_I5K_AMB is not set
@@ -700,6 +756,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_VT1211 is not set
@@ -709,9 +766,12 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83792D is not set
 # CONFIG_SENSORS_W83793 is not set
 # CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -719,6 +779,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ALIM7101_WDT is not set
 
 #
 # PCI-based Watchdog Cards
@@ -735,35 +796,71 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 CONFIG_VIDEO_DEV=m
-# CONFIG_VIDEO_V4L1 is not set
-# CONFIG_VIDEO_V4L1_COMPAT is not set
-CONFIG_VIDEO_V4L2=y
+CONFIG_VIDEO_V4L2_COMMON=m
+CONFIG_VIDEO_ALLOW_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+CONFIG_DVB_CORE=y
+CONFIG_VIDEO_MEDIA=m
+
+#
+# Multimedia drivers
+#
+# CONFIG_MEDIA_ATTACH is not set
+CONFIG_MEDIA_TUNER=m
+# CONFIG_MEDIA_TUNER_CUSTOMIZE is not set
+CONFIG_MEDIA_TUNER_SIMPLE=m
+CONFIG_MEDIA_TUNER_TDA8290=m
+CONFIG_MEDIA_TUNER_TDA9887=m
+CONFIG_MEDIA_TUNER_TEA5761=m
+CONFIG_MEDIA_TUNER_TEA5767=m
+CONFIG_MEDIA_TUNER_MT20XX=m
+CONFIG_MEDIA_TUNER_XC2028=m
+CONFIG_MEDIA_TUNER_XC5000=m
+CONFIG_VIDEO_V4L2=m
+CONFIG_VIDEO_V4L1=m
 CONFIG_VIDEO_CAPTURE_DRIVERS=y
 # CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
 CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
 # CONFIG_VIDEO_VIVI is not set
+# CONFIG_VIDEO_BT848 is not set
+# CONFIG_VIDEO_CPIA is not set
 # CONFIG_VIDEO_SAA5246A is not set
 # CONFIG_VIDEO_SAA5249 is not set
 # CONFIG_VIDEO_SAA7134 is not set
+# CONFIG_VIDEO_MXB is not set
 # CONFIG_VIDEO_HEXIUM_ORION is not set
 # CONFIG_VIDEO_HEXIUM_GEMINI is not set
 # CONFIG_VIDEO_CX88 is not set
 # CONFIG_VIDEO_CX23885 is not set
+# CONFIG_VIDEO_IVTV is not set
+# CONFIG_VIDEO_CX18 is not set
 # CONFIG_VIDEO_CAFE_CCIC is not set
+# CONFIG_SOC_CAMERA is not set
 # CONFIG_RADIO_ADAPTERS is not set
-CONFIG_DVB_CORE=y
-# CONFIG_DVB_CORE_ATTACH is not set
 CONFIG_DVB_CAPTURE_DRIVERS=y
 
 #
 # Supported SAA7146 based PCI Adapters
 #
+# CONFIG_TTPCI_EEPROM is not set
+# CONFIG_DVB_AV7110 is not set
+# CONFIG_DVB_BUDGET_CORE is not set
 
 #
 # Supported FlexCopII (B2C2) Adapters
@@ -779,6 +876,11 @@ CONFIG_DVB_CAPTURE_DRIVERS=y
 #
 # CONFIG_DVB_PLUTO2 is not set
 
+#
+# Supported SDMC DM1105 Adapters
+#
+# CONFIG_DVB_DM1105 is not set
+
 #
 # Supported DVB Frontends
 #
@@ -791,14 +893,21 @@ CONFIG_DVB_CAPTURE_DRIVERS=y
 #
 # DVB-S (satellite) frontends
 #
-# CONFIG_DVB_STV0299 is not set
 # CONFIG_DVB_CX24110 is not set
 # CONFIG_DVB_CX24123 is not set
-# CONFIG_DVB_TDA8083 is not set
 # CONFIG_DVB_MT312 is not set
-# CONFIG_DVB_VES1X93 is not set
 # CONFIG_DVB_S5H1420 is not set
+# CONFIG_DVB_STV0288 is not set
+# CONFIG_DVB_STB6000 is not set
+# CONFIG_DVB_STV0299 is not set
+# CONFIG_DVB_TDA8083 is not set
 # CONFIG_DVB_TDA10086 is not set
+# CONFIG_DVB_VES1X93 is not set
+# CONFIG_DVB_TUNER_ITD1000 is not set
+# CONFIG_DVB_TDA826X is not set
+# CONFIG_DVB_TUA6100 is not set
+# CONFIG_DVB_CX24116 is not set
+# CONFIG_DVB_SI21XX is not set
 
 #
 # DVB-T (terrestrial) frontends
@@ -807,6 +916,7 @@ CONFIG_DVB_CAPTURE_DRIVERS=y
 # CONFIG_DVB_SP887X is not set
 # CONFIG_DVB_CX22700 is not set
 # CONFIG_DVB_CX22702 is not set
+# CONFIG_DVB_DRX397XD is not set
 # CONFIG_DVB_L64781 is not set
 # CONFIG_DVB_TDA1004X is not set
 # CONFIG_DVB_NXT6000 is not set
@@ -816,6 +926,7 @@ CONFIG_DVB_CAPTURE_DRIVERS=y
 # CONFIG_DVB_DIB3000MC is not set
 # CONFIG_DVB_DIB7000M is not set
 # CONFIG_DVB_DIB7000P is not set
+# CONFIG_DVB_TDA10048 is not set
 
 #
 # DVB-C (cable) frontends
@@ -834,25 +945,28 @@ CONFIG_DVB_CAPTURE_DRIVERS=y
 # CONFIG_DVB_BCM3510 is not set
 # CONFIG_DVB_LGDT330X is not set
 # CONFIG_DVB_S5H1409 is not set
+# CONFIG_DVB_AU8522 is not set
+# CONFIG_DVB_S5H1411 is not set
 
 #
-# Tuners/PLL support
+# Digital terrestrial only tuners/PLL
 #
 # CONFIG_DVB_PLL is not set
-# CONFIG_DVB_TDA826X is not set
-# CONFIG_DVB_TDA827X is not set
-# CONFIG_DVB_TUNER_QT1010 is not set
-# CONFIG_DVB_TUNER_MT2060 is not set
-# CONFIG_DVB_TUNER_MT2266 is not set
-# CONFIG_DVB_TUNER_MT2131 is not set
 # CONFIG_DVB_TUNER_DIB0070 is not set
 
 #
-# Miscellaneous devices
+# SEC control devices for DVB-S
 #
 # CONFIG_DVB_LNBP21 is not set
+# CONFIG_DVB_ISL6405 is not set
 # CONFIG_DVB_ISL6421 is not set
-# CONFIG_DVB_TUA6100 is not set
+# CONFIG_DVB_LGS8GL5 is not set
+
+#
+# Tools to develop new frontends
+#
+# CONFIG_DVB_DUMMY_FE is not set
+# CONFIG_DVB_AF9013 is not set
 CONFIG_DAB=y
 
 #
@@ -864,15 +978,16 @@ CONFIG_VIDEO_OUTPUT_CONTROL=y
 CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 # CONFIG_FB_DDC is not set
-# CONFIG_FB_CFB_FILLRECT is not set
-# CONFIG_FB_CFB_COPYAREA is not set
-# CONFIG_FB_CFB_IMAGEBLIT is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=m
+CONFIG_FB_CFB_COPYAREA=m
+CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
 # CONFIG_FB_SYS_FILLRECT is not set
 # CONFIG_FB_SYS_COPYAREA is not set
 # CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
 # CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
 # CONFIG_FB_BACKLIGHT is not set
@@ -897,6 +1012,7 @@ CONFIG_FB_MODE_HELPERS=y
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SAVAGE is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -905,7 +1021,10 @@ CONFIG_FB_MODE_HELPERS=y
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_ARK is not set
 # CONFIG_FB_PM3 is not set
+# CONFIG_FB_CARMINE is not set
+CONFIG_FB_SH_MOBILE_LCDC=m
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -938,38 +1057,42 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_SUPERH_MONO is not set
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 CONFIG_LOGO_SUPERH_CLUT224=y
-
-#
-# Sound
-#
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# Userspace I/O
-#
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -981,22 +1104,20 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-CONFIG_MINIX_FS=y
-CONFIG_ROMFS_FS=y
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -1020,6 +1141,7 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1039,8 +1161,11 @@ CONFIG_HUGETLB_PAGE=y
 # CONFIG_EFS_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+CONFIG_MINIX_FS=y
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
@@ -1048,14 +1173,13 @@ CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-# CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
-# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1087,9 +1211,6 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SYSV68_PARTITION is not set
 # CONFIG_NLS is not set
 # CONFIG_DLM is not set
-CONFIG_INSTRUMENTATION=y
-# CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 
 #
 # Kernel hacking
@@ -1098,6 +1219,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
@@ -1105,9 +1227,12 @@ CONFIG_DEBUG_FS=y
 CONFIG_DEBUG_KERNEL=y
 # CONFIG_DEBUG_SHIRQ is not set
 CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 CONFIG_SCHEDSTATS=y
 # CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_DEBUG_SLAB is not set
 CONFIG_DEBUG_PREEMPT=y
 # CONFIG_DEBUG_RT_MUTEXES is not set
@@ -1123,15 +1248,20 @@ CONFIG_DEBUG_PREEMPT=y
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
-CONFIG_FORCED_INLINING=y
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
-# CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
 # CONFIG_DEBUG_BOOTMEM is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
@@ -1147,8 +1277,93 @@ CONFIG_SH64_SR_WATCH=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
-# CONFIG_CRYPTO is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
 #
 # Library routines
@@ -1156,6 +1371,7 @@ CONFIG_SH64_SR_WATCH=y
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/dreamcast_defconfig b/arch/sh/configs/dreamcast_defconfig
index 3dc1cbd8a98..be4c2e0dbb2 100644
--- a/arch/sh/configs/dreamcast_defconfig
+++ b/arch/sh/configs/dreamcast_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.27-rc1
-# Mon Aug  4 16:49:13 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:18:02 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -13,12 +13,13 @@ CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
@@ -70,7 +71,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -78,15 +81,12 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 # CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -119,6 +119,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -192,12 +193,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -230,7 +232,6 @@ CONFIG_SH_DREAMCAST=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=49876504
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -318,6 +319,8 @@ CONFIG_PCI_LEGACY=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 CONFIG_NET=y
 
@@ -365,6 +368,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -385,11 +389,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -480,6 +483,9 @@ CONFIG_MII=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
@@ -504,6 +510,7 @@ CONFIG_8139TOO=y
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
@@ -559,6 +566,7 @@ CONFIG_INPUT_MOUSE=y
 # CONFIG_MOUSE_PS2 is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
@@ -626,6 +634,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ALIM7101_WDT is not set
 CONFIG_SH_WDT=y
 # CONFIG_SH_WDT_MMAP is not set
 
@@ -647,6 +656,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -673,6 +684,7 @@ CONFIG_VIDEO_OUTPUT_CONTROL=m
 CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
@@ -707,6 +719,7 @@ CONFIG_FB_PVR2=y
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SAVAGE is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -718,6 +731,7 @@ CONFIG_FB_PVR2=y
 # CONFIG_FB_CARMINE is not set
 # CONFIG_FB_SH_MOBILE_LCDC is not set
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -755,6 +769,12 @@ CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -763,6 +783,10 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
+#
+# Enable Host or Gadget support to see Inventra options
+#
+
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
@@ -775,16 +799,18 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -814,6 +840,7 @@ CONFIG_INOTIFY_USER=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -872,6 +899,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -882,12 +914,14 @@ CONFIG_FRAME_WARN=1024
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -960,6 +994,11 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -967,7 +1006,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
diff --git a/arch/sh/configs/edosk7760_defconfig b/arch/sh/configs/edosk7760_defconfig
index bef07fa8d85..158006847ad 100644
--- a/arch/sh/configs/edosk7760_defconfig
+++ b/arch/sh/configs/edosk7760_defconfig
@@ -1,25 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Tue Aug 26 11:36:09 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:20:09 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -55,7 +57,6 @@ CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -72,7 +73,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLUB_DEBUG=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
@@ -80,10 +83,13 @@ CONFIG_SLUB=y
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -100,6 +106,7 @@ CONFIG_BLOCK=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -114,6 +121,7 @@ CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -171,7 +179,9 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -179,12 +189,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -254,9 +265,10 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
-# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCHED_HRTICK=y
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
@@ -283,11 +295,9 @@ CONFIG_CMDLINE="mem=64M console=ttySC2,115200 root=/dev/nfs rw nfsroot=192.168.0
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -332,6 +342,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -352,11 +363,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -472,6 +482,7 @@ CONFIG_BLK_DEV_RAM_SIZE=26000
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 # CONFIG_MISC_DEVICES is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
@@ -486,7 +497,6 @@ CONFIG_HAVE_IDE=y
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -498,12 +508,15 @@ CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
-# CONFIG_SMC9194 is not set
 CONFIG_SMC91X=y
+# CONFIG_SMC911X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -558,6 +571,7 @@ CONFIG_INPUT=y
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
@@ -588,26 +602,41 @@ CONFIG_HW_RANDOM=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
 
 #
 # I2C Hardware Bus support
 #
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
 # CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
+CONFIG_I2C_SH7760=y
+# CONFIG_I2C_SH_MOBILE is not set
 # CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
 # CONFIG_I2C_PCA_PLATFORM is not set
-CONFIG_I2C_SH7760=y
-# CONFIG_I2C_SH_MOBILE is not set
+# CONFIG_I2C_STUB is not set
 
 #
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
@@ -632,8 +661,12 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
@@ -659,6 +692,7 @@ CONFIG_SSB_POSSIBLE=y
 CONFIG_FB=m
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=m
 CONFIG_FB_CFB_COPYAREA=m
 CONFIG_FB_CFB_IMAGEBLIT=m
@@ -677,9 +711,11 @@ CONFIG_FB_TILEBLITTING=y
 #
 # Frame buffer hardware drivers
 #
-# CONFIG_FB_MB86290_640X480_16BPP is not set
 # CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_SH_MOBILE_LCDC=m
+# CONFIG_FB_SH7760 is not set
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -693,15 +729,8 @@ CONFIG_FB_TILEBLITTING=y
 CONFIG_DUMMY_CONSOLE=y
 # CONFIG_FRAMEBUFFER_CONSOLE is not set
 # CONFIG_LOGO is not set
-
-#
-# Sound
-#
 CONFIG_SOUND=y
-
-#
-# Advanced Linux Sound Architecture
-#
+# CONFIG_SOUND_OSS_CORE is not set
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
@@ -713,39 +742,18 @@ CONFIG_SND_PCM=y
 # CONFIG_SND_VERBOSE_PROCFS is not set
 CONFIG_SND_VERBOSE_PRINTK=y
 # CONFIG_SND_DEBUG is not set
-
-#
-# Generic devices
-#
+CONFIG_SND_DRIVERS=y
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_MTPAV is not set
 # CONFIG_SND_SERIAL_U16550 is not set
 # CONFIG_SND_MPU401 is not set
-
-#
-# SUPERH devices
-#
-
-#
-# System on Chip audio support
-#
+CONFIG_SND_SUPERH=y
 CONFIG_SND_SOC=y
 
 #
 # SoC Audio support for SuperH
 #
-
-#
-# ALSA SoC audio for Freescale SOCs
-#
-
-#
-# SoC Audio for the Texas Instruments OMAP
-#
-
-#
-# Open Sound System
-#
+# CONFIG_SND_SOC_ALL_CODECS is not set
 # CONFIG_SOUND_PRIME is not set
 # CONFIG_HID_SUPPORT is not set
 # CONFIG_USB_SUPPORT is not set
@@ -754,7 +762,9 @@ CONFIG_SND_SOC=y
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -764,17 +774,18 @@ CONFIG_EXT2_FS_XATTR=y
 # CONFIG_EXT2_FS_POSIX_ACL is not set
 # CONFIG_EXT2_FS_SECURITY is not set
 CONFIG_EXT2_FS_XIP=y
-CONFIG_FS_XIP=y
 CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_FS_XIP=y
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -805,6 +816,7 @@ CONFIG_GENERIC_ACL=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
@@ -826,6 +838,7 @@ CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -835,12 +848,12 @@ CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 # CONFIG_NFS_V3 is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
-# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -911,6 +924,8 @@ CONFIG_UNUSED_SYMBOLS=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
 # CONFIG_SCHED_DEBUG is not set
 # CONFIG_SCHEDSTATS is not set
 CONFIG_TIMER_STATS=y
@@ -932,13 +947,27 @@ CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -956,12 +985,14 @@ CONFIG_DEBUG_STACKOVERFLOW=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1001,6 +1032,10 @@ CONFIG_CRYPTO_ALGAPI=y
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 # CONFIG_CRYPTO_SHA1 is not set
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
@@ -1031,15 +1066,20 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/hp6xx_defconfig b/arch/sh/configs/hp6xx_defconfig
index 41e25b3a5b0..1032b235f08 100644
--- a/arch/sh/configs/hp6xx_defconfig
+++ b/arch/sh/configs/hp6xx_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:24:57 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:23:53 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,18 +11,19 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -67,22 +68,21 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -108,6 +108,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+CONFIG_FREEZER=y
 
 #
 # System type
@@ -175,12 +176,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -212,7 +214,6 @@ CONFIG_SH_HP6XX=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=22110000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -257,6 +258,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -292,6 +294,8 @@ CONFIG_PCMCIA_PROBE=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 
 #
@@ -304,10 +308,6 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 CONFIG_APM_EMULATION=y
-
-#
-# Networking
-#
 # CONFIG_NET is not set
 
 #
@@ -446,7 +446,6 @@ CONFIG_TOUCHSCREEN_HP600=y
 # CONFIG_TOUCHSCREEN_PENMOUNT is not set
 # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
 # CONFIG_TOUCHSCREEN_TOUCHWIN is not set
-# CONFIG_TOUCHSCREEN_UCB1400 is not set
 # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 # CONFIG_INPUT_MISC is not set
 
@@ -522,6 +521,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -546,6 +547,7 @@ CONFIG_VIDEO_OUTPUT_CONTROL=y
 CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
@@ -568,6 +570,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_HIT=y
 CONFIG_FB_SH_MOBILE_LCDC=y
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=y
 # CONFIG_LCD_ILI9320 is not set
@@ -630,12 +633,15 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -644,6 +650,7 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_SH=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -652,10 +659,11 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
@@ -687,6 +695,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 # CONFIG_TMPFS is not set
 # CONFIG_HUGETLBFS is not set
@@ -774,6 +783,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -784,14 +798,19 @@ CONFIG_FRAME_WARN=1024
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -863,13 +882,17 @@ CONFIG_CRYPTO_MD5=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 CONFIG_CRC16=y
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/landisk_defconfig b/arch/sh/configs/landisk_defconfig
index 99cc39c5c6c..b82dfb4da3a 100644
--- a/arch/sh/configs/landisk_defconfig
+++ b/arch/sh/configs/landisk_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:35:07 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:25:51 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,17 +11,18 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -68,22 +69,22 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -115,6 +116,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -182,12 +184,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -225,7 +228,6 @@ CONFIG_SH_LANDISK=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=33333333
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -261,6 +263,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -309,11 +312,9 @@ CONFIG_PCCARD_NONSTATIC=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -360,7 +361,6 @@ CONFIG_INET_TCP_DIAG=y
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
-# CONFIG_IP_VS is not set
 # CONFIG_IPV6 is not set
 # CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
@@ -374,10 +374,12 @@ CONFIG_NETFILTER_ADVANCED=y
 # CONFIG_NETFILTER_NETLINK_LOG is not set
 # CONFIG_NF_CONNTRACK is not set
 # CONFIG_NETFILTER_XTABLES is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
+# CONFIG_NF_DEFRAG_IPV4 is not set
 CONFIG_IP_NF_QUEUE=m
 # CONFIG_IP_NF_IPTABLES is not set
 # CONFIG_IP_NF_ARPTABLES is not set
@@ -386,6 +388,7 @@ CONFIG_IP_NF_QUEUE=m
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 CONFIG_LLC=m
@@ -408,11 +411,10 @@ CONFIG_ATALK=m
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -462,22 +464,20 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_HP_ILO is not set
 CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
-CONFIG_IDE_MAX_HWIFS=4
-CONFIG_BLK_DEV_IDE=y
 
 #
 # Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 CONFIG_IDE_ATAPI=y
 # CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=y
-# CONFIG_IDEDISK_MULTI_MODE is not set
+CONFIG_IDE_GD=y
+CONFIG_IDE_GD_ATA=y
+# CONFIG_IDE_GD_ATAPI is not set
 # CONFIG_BLK_DEV_IDECS is not set
 # CONFIG_BLK_DEV_DELKIN is not set
 CONFIG_BLK_DEV_IDECD=y
 CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
 # CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDEFLOPPY is not set
 CONFIG_BLK_DEV_IDESCSI=y
 # CONFIG_IDE_TASK_IOCTL is not set
 CONFIG_IDE_PROC_FS=y
@@ -640,6 +640,9 @@ CONFIG_MII=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
@@ -660,6 +663,7 @@ CONFIG_8139CP=y
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
@@ -680,9 +684,11 @@ CONFIG_NETDEV_1000=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
@@ -692,6 +698,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_TR is not set
 
@@ -727,7 +734,7 @@ CONFIG_USB_RTL8150=m
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -838,6 +845,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -861,10 +870,12 @@ CONFIG_VIDEO_V4L2=m
 CONFIG_VIDEO_V4L1=m
 CONFIG_VIDEO_CAPTURE_DRIVERS=y
 # CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
 CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
 # CONFIG_VIDEO_VIVI is not set
 # CONFIG_VIDEO_CPIA is not set
 # CONFIG_VIDEO_CPIA2 is not set
+# CONFIG_SOC_CAMERA is not set
 CONFIG_V4L_USB_DRIVERS=y
 # CONFIG_USB_VIDEO_CLASS is not set
 # CONFIG_USB_GSPCA is not set
@@ -884,14 +895,13 @@ CONFIG_USB_PWC=m
 # CONFIG_USB_ZR364XX is not set
 # CONFIG_USB_STKWEBCAM is not set
 # CONFIG_USB_S2255 is not set
-# CONFIG_SOC_CAMERA is not set
-# CONFIG_VIDEO_SH_MOBILE_CEU is not set
 CONFIG_RADIO_ADAPTERS=y
 # CONFIG_RADIO_GEMTEK_PCI is not set
 # CONFIG_RADIO_MAXIRADIO is not set
 # CONFIG_RADIO_MAESTRO is not set
 CONFIG_USB_DSBR=m
 # CONFIG_USB_SI470X is not set
+# CONFIG_USB_MR800 is not set
 # CONFIG_DAB is not set
 
 #
@@ -914,6 +924,7 @@ CONFIG_USB_DSBR=m
 CONFIG_DUMMY_CONSOLE=y
 CONFIG_FONT_8x16=y
 CONFIG_SOUND=m
+CONFIG_SOUND_OSS_CORE=y
 # CONFIG_SND is not set
 CONFIG_SOUND_PRIME=m
 CONFIG_HID_SUPPORT=y
@@ -925,8 +936,7 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=m
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
 
 #
@@ -934,6 +944,34 @@ CONFIG_USB_HID=m
 #
 # CONFIG_USB_KBD is not set
 # CONFIG_USB_MOUSE is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=m
+CONFIG_HID_APPLE=m
+CONFIG_HID_BELKIN=m
+CONFIG_HID_BRIGHT=m
+CONFIG_HID_CHERRY=m
+CONFIG_HID_CHICONY=m
+CONFIG_HID_CYPRESS=m
+CONFIG_HID_DELL=m
+CONFIG_HID_EZKEY=m
+CONFIG_HID_GYRATION=m
+CONFIG_HID_LOGITECH=m
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=m
+CONFIG_HID_MONTEREY=m
+CONFIG_HID_PANTHERLORD=m
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=m
+CONFIG_HID_SAMSUNG=m
+CONFIG_HID_SONY=m
+CONFIG_HID_SUNPLUS=m
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -951,6 +989,7 @@ CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
@@ -975,6 +1014,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_ACM is not set
 CONFIG_USB_PRINTER=m
 # CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1004,7 +1044,6 @@ CONFIG_USB_STORAGE_JUMPSHOT=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -1059,7 +1098,7 @@ CONFIG_USB_SERIAL_PL2303=m
 CONFIG_USB_EMI62=m
 CONFIG_USB_EMI26=m
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -1078,6 +1117,7 @@ CONFIG_USB_SISUSBVGA_CON=y
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1087,6 +1127,7 @@ CONFIG_USB_SISUSBVGA_CON=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -1098,7 +1139,7 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 CONFIG_REISERFS_FS=y
@@ -1107,6 +1148,7 @@ CONFIG_REISERFS_FS=y
 # CONFIG_REISERFS_FS_XATTR is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -1143,6 +1185,7 @@ CONFIG_NTFS_RW=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1185,6 +1228,7 @@ CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=m
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1256,6 +1300,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1267,12 +1316,14 @@ CONFIG_SH_STANDARD_BIOS=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1345,6 +1396,11 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1352,7 +1408,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/lboxre2_defconfig b/arch/sh/configs/lboxre2_defconfig
index aecdfd33c69..c3ecedfc1bc 100644
--- a/arch/sh/configs/lboxre2_defconfig
+++ b/arch/sh/configs/lboxre2_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:39:41 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:29:42 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,17 +11,18 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -68,22 +69,22 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -115,6 +116,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -182,12 +184,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -225,7 +228,6 @@ CONFIG_SH_LBOX_RE2=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=40000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -261,6 +263,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -309,11 +312,9 @@ CONFIG_PCCARD_NONSTATIC=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -360,7 +361,6 @@ CONFIG_INET_TCP_DIAG=y
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
-# CONFIG_IP_VS is not set
 # CONFIG_IPV6 is not set
 # CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
@@ -374,10 +374,12 @@ CONFIG_NETFILTER_ADVANCED=y
 # CONFIG_NETFILTER_NETLINK_LOG is not set
 # CONFIG_NF_CONNTRACK is not set
 # CONFIG_NETFILTER_XTABLES is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
+# CONFIG_NF_DEFRAG_IPV4 is not set
 # CONFIG_IP_NF_QUEUE is not set
 # CONFIG_IP_NF_IPTABLES is not set
 # CONFIG_IP_NF_ARPTABLES is not set
@@ -386,6 +388,7 @@ CONFIG_NETFILTER_ADVANCED=y
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -406,11 +409,10 @@ CONFIG_NETFILTER_ADVANCED=y
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -631,6 +633,9 @@ CONFIG_MII=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
@@ -655,6 +660,7 @@ CONFIG_8139TOO_TUNE_TWISTER=y
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
@@ -675,9 +681,11 @@ CONFIG_NETDEV_1000=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
@@ -687,6 +695,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_TR is not set
 
@@ -832,6 +841,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -872,6 +883,12 @@ CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -880,6 +897,10 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
+#
+# Enable Host or Gadget support to see Inventra options
+#
+
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
@@ -911,12 +932,15 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -925,6 +949,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_SH is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -936,12 +961,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -974,6 +1000,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1071,6 +1098,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1082,12 +1114,14 @@ CONFIG_SH_STANDARD_BIOS=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1160,6 +1194,11 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1167,7 +1206,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/magicpanelr2_defconfig b/arch/sh/configs/magicpanelr2_defconfig
index a3a80f3d27c..499ed720438 100644
--- a/arch/sh/configs/magicpanelr2_defconfig
+++ b/arch/sh/configs/magicpanelr2_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:41:08 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:32:23 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,16 +11,17 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -55,7 +56,6 @@ CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -72,22 +72,22 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -119,6 +119,7 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -186,12 +187,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -229,7 +231,6 @@ CONFIG_SH_MAGIC_PANEL_R2_VERSION=3
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=24000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -268,6 +269,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -291,11 +293,9 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -340,6 +340,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -360,11 +361,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -513,6 +513,9 @@ CONFIG_SMC911X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -560,11 +563,13 @@ CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_GPIO is not set
 # CONFIG_KEYBOARD_SH_KEYSC is not set
 CONFIG_INPUT_MOUSE=y
 # CONFIG_MOUSE_PS2 is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_VSXXXAA is not set
+# CONFIG_MOUSE_GPIO is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
@@ -641,6 +646,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -703,12 +710,15 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -717,6 +727,7 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_SH=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -726,11 +737,12 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -759,6 +771,7 @@ CONFIG_JBD=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -806,6 +819,7 @@ CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -899,10 +913,22 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -938,6 +964,7 @@ CONFIG_KGDB_DEFBITS_8=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_CRYPTO is not set
 
@@ -945,7 +972,6 @@ CONFIG_KGDB_DEFBITS_8=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 CONFIG_CRC_CCITT=m
 CONFIG_CRC16=m
 # CONFIG_CRC_T10DIF is not set
diff --git a/arch/sh/configs/microdev_defconfig b/arch/sh/configs/microdev_defconfig
index e4b900e72dc..b8ada8ce98d 100644
--- a/arch/sh/configs/microdev_defconfig
+++ b/arch/sh/configs/microdev_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:47:16 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:37:41 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,16 +11,17 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -69,22 +70,21 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -110,6 +110,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -183,12 +184,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -221,7 +223,6 @@ CONFIG_SH_SH4202_MICRODEV=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=66000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -260,6 +261,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
@@ -287,11 +289,9 @@ CONFIG_SUPERHYWAY=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -340,6 +340,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -360,11 +361,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -402,19 +402,17 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ENCLOSURE_SERVICES is not set
 CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
-CONFIG_IDE_MAX_HWIFS=1
-CONFIG_BLK_DEV_IDE=y
 
 #
 # Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 # CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=y
-# CONFIG_IDEDISK_MULTI_MODE is not set
+CONFIG_IDE_GD=y
+CONFIG_IDE_GD_ATA=y
+# CONFIG_IDE_GD_ATAPI is not set
 CONFIG_BLK_DEV_IDECD=y
 CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
 # CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDEFLOPPY is not set
 # CONFIG_IDE_TASK_IOCTL is not set
 CONFIG_IDE_PROC_FS=y
 
@@ -451,6 +449,9 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
@@ -542,6 +543,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -580,6 +583,10 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
+#
+# Enable Host or Gadget support to see Inventra options
+#
+
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
@@ -591,6 +598,7 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -602,12 +610,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -640,6 +649,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -678,6 +688,7 @@ CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -748,6 +759,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -758,14 +774,19 @@ CONFIG_FRAME_WARN=1024
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -837,13 +858,17 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
diff --git a/arch/sh/configs/migor_defconfig b/arch/sh/configs/migor_defconfig
index 4f8b1974f2c..624c47aa66d 100644
--- a/arch/sh/configs/migor_defconfig
+++ b/arch/sh/configs/migor_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.27-rc4
-# Tue Aug 26 14:18:17 2008
+# Linux kernel version: 2.6.27
+# Tue Oct 21 12:57:28 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -13,12 +13,13 @@ CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_NUMA=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
@@ -70,7 +71,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -78,15 +81,12 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -118,6 +118,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -179,6 +180,7 @@ CONFIG_MAX_ACTIVE_REGIONS=2
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
@@ -192,13 +194,14 @@ CONFIG_SPARSEMEM=y
 CONFIG_NEED_MULTIPLE_NODES=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 # CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_MIGRATION is not set
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -235,7 +238,6 @@ CONFIG_SH_MIGOR_QVGA=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=33333333
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -295,6 +297,8 @@ CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=serial ip=on"
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 CONFIG_NET=y
 
@@ -345,6 +349,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -365,11 +370,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 CONFIG_WIRELESS_EXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_MAC80211 is not set
@@ -555,6 +559,9 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -599,6 +606,7 @@ CONFIG_INPUT_KEYBOARD=y
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_GPIO is not set
 CONFIG_KEYBOARD_SH_KEYSC=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
@@ -656,6 +664,7 @@ CONFIG_I2C_HELPER_AUTO=y
 #
 # I2C system bus drivers (mostly embedded / system-on-chip)
 #
+# CONFIG_I2C_GPIO is not set
 # CONFIG_I2C_OCORES is not set
 CONFIG_I2C_SH_MOBILE=y
 # CONFIG_I2C_SIMTEC is not set
@@ -709,6 +718,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
@@ -717,13 +728,44 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multimedia core support
 #
-# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L2_COMMON=y
+# CONFIG_VIDEO_ALLOW_V4L1 is not set
+CONFIG_VIDEO_V4L1_COMPAT=y
 # CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
+CONFIG_VIDEO_MEDIA=y
 
 #
 # Multimedia drivers
 #
+# CONFIG_MEDIA_ATTACH is not set
+CONFIG_MEDIA_TUNER=y
+# CONFIG_MEDIA_TUNER_CUSTOMIZE is not set
+CONFIG_MEDIA_TUNER_SIMPLE=y
+CONFIG_MEDIA_TUNER_TDA8290=y
+CONFIG_MEDIA_TUNER_TDA9887=y
+CONFIG_MEDIA_TUNER_TEA5761=y
+CONFIG_MEDIA_TUNER_TEA5767=y
+CONFIG_MEDIA_TUNER_MT20XX=y
+CONFIG_MEDIA_TUNER_XC2028=y
+CONFIG_MEDIA_TUNER_XC5000=y
+CONFIG_VIDEO_V4L2=y
+CONFIG_VIDEOBUF_GEN=y
+CONFIG_VIDEOBUF_DMA_CONTIG=y
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
+CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
+# CONFIG_VIDEO_VIVI is not set
+# CONFIG_VIDEO_SAA5246A is not set
+# CONFIG_VIDEO_SAA5249 is not set
+CONFIG_SOC_CAMERA=y
+# CONFIG_SOC_CAMERA_MT9M001 is not set
+# CONFIG_SOC_CAMERA_MT9M111 is not set
+# CONFIG_SOC_CAMERA_MT9V022 is not set
+CONFIG_SOC_CAMERA_PLATFORM=y
+CONFIG_VIDEO_SH_MOBILE_CEU=y
+# CONFIG_RADIO_ADAPTERS is not set
 # CONFIG_DAB is not set
 
 #
@@ -748,6 +790,12 @@ CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
@@ -755,7 +803,6 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
-# CONFIG_USB_MUSB_HDRC is not set
 # CONFIG_USB_GADGET_MUSB_HDRC is not set
 
 #
@@ -764,21 +811,23 @@ CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_GADGET=y
 # CONFIG_USB_GADGET_DEBUG_FILES is not set
 # CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
 CONFIG_USB_GADGET_SELECTED=y
-# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_AT91 is not set
 # CONFIG_USB_GADGET_ATMEL_USBA is not set
 # CONFIG_USB_GADGET_FSL_USB2 is not set
-# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
 # CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
 CONFIG_USB_GADGET_M66592=y
 CONFIG_USB_M66592=y
 CONFIG_SUPERH_BUILT_IN_M66592=y
-# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_NET2280 is not set
 # CONFIG_USB_GADGET_GOKU is not set
-# CONFIG_USB_GADGET_LH7A40X is not set
-# CONFIG_USB_GADGET_OMAP is not set
-# CONFIG_USB_GADGET_S3C2410 is not set
-# CONFIG_USB_GADGET_AT91 is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
 CONFIG_USB_GADGET_DUALSPEED=y
 # CONFIG_USB_ZERO is not set
@@ -831,12 +880,15 @@ CONFIG_RTC_DRV_RS5C372=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -848,16 +900,19 @@ CONFIG_UIO=y
 # CONFIG_UIO_PDRV is not set
 CONFIG_UIO_PDRV_GENIRQ=y
 # CONFIG_UIO_SMX is not set
+# CONFIG_UIO_SERCOS3 is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -886,6 +941,7 @@ CONFIG_UIO_PDRV_GENIRQ=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -938,6 +994,11 @@ CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -950,12 +1011,14 @@ CONFIG_EARLY_PRINTK=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1028,13 +1091,17 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/r7780mp_defconfig b/arch/sh/configs/r7780mp_defconfig
index 57a30079758..2e65149e950 100644
--- a/arch/sh/configs/r7780mp_defconfig
+++ b/arch/sh/configs/r7780mp_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:51:13 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 20:03:46 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,17 +11,18 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_IO_TRAPPED=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
@@ -77,7 +78,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -85,15 +88,13 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=m
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -124,6 +125,7 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -199,12 +201,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -242,7 +245,6 @@ CONFIG_SH_R7780MP=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=28
 CONFIG_SH_PCLK_FREQ=32000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -278,6 +280,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
@@ -309,11 +312,9 @@ CONFIG_PCI_LEGACY=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -369,6 +370,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_ATM is not set
 CONFIG_STP=m
 CONFIG_BRIDGE=m
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 CONFIG_LLC=m
@@ -390,11 +392,10 @@ CONFIG_LLC=m
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 CONFIG_WIRELESS_EXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_MAC80211 is not set
@@ -616,6 +617,9 @@ CONFIG_AX88796_93CX6=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 CONFIG_PCNET32=m
 # CONFIG_AMD8111_ETH is not set
@@ -641,11 +645,11 @@ CONFIG_8139TOO_8129=y
 CONFIG_VIA_RHINE=m
 CONFIG_VIA_RHINE_MMIO=y
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 CONFIG_E1000=m
-# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
 # CONFIG_E1000E is not set
 # CONFIG_IP1000 is not set
 # CONFIG_IGB is not set
@@ -662,9 +666,11 @@ CONFIG_R8169=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
@@ -674,6 +680,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_TR is not set
 
@@ -773,24 +780,129 @@ CONFIG_HW_RANDOM=y
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# PC SMBus host controller drivers
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_ISCH is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_HIGHLANDER=y
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SH_MOBILE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
+# CONFIG_I2C_VOODOO3 is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_AD7414 is not set
+# CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADM1021 is not set
+# CONFIG_SENSORS_ADM1025 is not set
+# CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1029 is not set
+# CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ATXP1 is not set
+# CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_I5K_AMB is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM75 is not set
+# CONFIG_SENSORS_LM77 is not set
+# CONFIG_SENSORS_LM78 is not set
+# CONFIG_SENSORS_LM80 is not set
+# CONFIG_SENSORS_LM83 is not set
+# CONFIG_SENSORS_LM85 is not set
+# CONFIG_SENSORS_LM87 is not set
+# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SIS5595 is not set
+# CONFIG_SENSORS_DME1737 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_VT8231 is not set
+# CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83791D is not set
+# CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83793 is not set
+# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
@@ -810,6 +922,9 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
@@ -841,12 +956,19 @@ CONFIG_DAB=y
 #
 # CONFIG_DISPLAY_SUPPORT is not set
 CONFIG_SOUND=m
+CONFIG_SOUND_OSS_CORE=y
 # CONFIG_SND is not set
 CONFIG_SOUND_PRIME=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -855,6 +977,10 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
+#
+# Enable Host or Gadget support to see Inventra options
+#
+
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
@@ -879,6 +1005,22 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
 # CONFIG_RTC_DRV_TEST is not set
 
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+CONFIG_RTC_DRV_RS5C372=y
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+
 #
 # SPI RTC drivers
 #
@@ -886,12 +1028,15 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -900,6 +1045,7 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_SH=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -911,13 +1057,14 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -952,6 +1099,7 @@ CONFIG_NTFS_RW=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -994,6 +1142,7 @@ CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1088,10 +1237,22 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1108,15 +1269,19 @@ CONFIG_DEBUG_STACKOVERFLOW=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1189,6 +1354,11 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1196,7 +1366,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/r7785rp_defconfig b/arch/sh/configs/r7785rp_defconfig
index 1d09d24d429..043a8a509e0 100644
--- a/arch/sh/configs/r7785rp_defconfig
+++ b/arch/sh/configs/r7785rp_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 00:59:19 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 16:25:30 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,18 +11,19 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_NUMA=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_IO_TRAPPED=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
@@ -38,11 +39,13 @@ CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
-# CONFIG_POSIX_MQUEUE is not set
+CONFIG_POSIX_MQUEUE=y
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_AUDIT is not set
+CONFIG_AUDIT=y
+CONFIG_AUDITSYSCALL=y
+CONFIG_AUDIT_TREE=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -67,31 +70,33 @@ CONFIG_BUG=y
 CONFIG_ELF_CORE=y
 CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
-# CONFIG_FUTEX is not set
+CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
-# CONFIG_EPOLL is not set
+CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
-CONFIG_OPROFILE=m
+CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
@@ -120,7 +125,8 @@ CONFIG_IOSCHED_NOOP=y
 # CONFIG_DEFAULT_CFQ is not set
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
-CONFIG_CLASSIC_RCU=y
+# CONFIG_CLASSIC_RCU is not set
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -182,6 +188,7 @@ CONFIG_MAX_ACTIVE_REGIONS=2
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
@@ -200,13 +207,15 @@ CONFIG_SPARSEMEM_MANUAL=y
 CONFIG_SPARSEMEM=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 # CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -243,15 +252,30 @@ CONFIG_SH_R7785RP=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=28
 CONFIG_SH_PCLK_FREQ=50000000
-# CONFIG_TICK_ONESHOT is not set
-# CONFIG_NO_HZ is not set
-# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
 #
-# CONFIG_CPU_FREQ is not set
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+CONFIG_CPU_FREQ_STAT=y
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_SH_CPU_FREQ=y
 
 #
 # DMA support
@@ -276,13 +300,15 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
-# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCHED_HRTICK=y
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_PREEMPT_RCU=y
+CONFIG_RCU_TRACE=y
 CONFIG_GUSA=y
 
 #
@@ -301,7 +327,7 @@ CONFIG_SH_PCIDMA_NONCOHERENT=y
 CONFIG_PCI_AUTO=y
 CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
-CONFIG_PCI_LEGACY=y
+# CONFIG_PCI_LEGACY is not set
 # CONFIG_PCI_DEBUG is not set
 # CONFIG_PCCARD is not set
 # CONFIG_HOTPLUG_PCI is not set
@@ -310,11 +336,9 @@ CONFIG_PCI_LEGACY=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
+CONFIG_BINFMT_MISC=m
 CONFIG_NET=y
 
 #
@@ -370,6 +394,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_ATM is not set
 CONFIG_STP=m
 CONFIG_BRIDGE=m
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 CONFIG_LLC=m
@@ -386,16 +411,16 @@ CONFIG_LLC=m
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 CONFIG_WIRELESS_EXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_MAC80211 is not set
@@ -617,8 +642,12 @@ CONFIG_AX88796_93CX6=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_NET_PCI is not set
 # CONFIG_B44 is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
@@ -639,9 +668,11 @@ CONFIG_R8169=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
@@ -651,6 +682,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_TR is not set
 
@@ -750,24 +782,129 @@ CONFIG_HW_RANDOM=y
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# PC SMBus host controller drivers
+#
+# CONFIG_I2C_ALI1535 is not set
+# CONFIG_I2C_ALI1563 is not set
+# CONFIG_I2C_ALI15X3 is not set
+# CONFIG_I2C_AMD756 is not set
+# CONFIG_I2C_AMD8111 is not set
+# CONFIG_I2C_I801 is not set
+# CONFIG_I2C_ISCH is not set
+# CONFIG_I2C_PIIX4 is not set
+# CONFIG_I2C_NFORCE2 is not set
+# CONFIG_I2C_SIS5595 is not set
+# CONFIG_I2C_SIS630 is not set
+# CONFIG_I2C_SIS96X is not set
+# CONFIG_I2C_VIA is not set
+# CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_HIGHLANDER=y
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SH_MOBILE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
+# CONFIG_I2C_VOODOO3 is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_AD7414 is not set
+# CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADM1021 is not set
+# CONFIG_SENSORS_ADM1025 is not set
+# CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1029 is not set
+# CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ATXP1 is not set
+# CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_I5K_AMB is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM75 is not set
+# CONFIG_SENSORS_LM77 is not set
+# CONFIG_SENSORS_LM78 is not set
+# CONFIG_SENSORS_LM80 is not set
+# CONFIG_SENSORS_LM83 is not set
+# CONFIG_SENSORS_LM85 is not set
+# CONFIG_SENSORS_LM87 is not set
+# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SIS5595 is not set
+# CONFIG_SENSORS_DME1737 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_VT8231 is not set
+# CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83791D is not set
+# CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83793 is not set
+# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
@@ -787,6 +924,9 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
@@ -813,6 +953,7 @@ CONFIG_SSB_POSSIBLE=y
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=m
 CONFIG_FB_CFB_COPYAREA=m
 CONFIG_FB_CFB_IMAGEBLIT=m
@@ -846,6 +987,7 @@ CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SAVAGE is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -857,6 +999,7 @@ CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_CARMINE is not set
 CONFIG_FB_SH_MOBILE_LCDC=m
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -865,12 +1008,19 @@ CONFIG_FB_SH_MOBILE_LCDC=m
 # CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_LOGO is not set
 CONFIG_SOUND=m
+CONFIG_SOUND_OSS_CORE=y
 # CONFIG_SND is not set
 CONFIG_SOUND_PRIME=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -879,6 +1029,10 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
+#
+# Enable Host or Gadget support to see Inventra options
+#
+
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
@@ -903,6 +1057,22 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
 # CONFIG_RTC_DRV_TEST is not set
 
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+CONFIG_RTC_DRV_RS5C372=y
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+
 #
 # SPI RTC drivers
 #
@@ -910,12 +1080,15 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -924,6 +1097,7 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_SH=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -935,13 +1109,14 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -976,6 +1151,7 @@ CONFIG_NTFS_RW=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1018,6 +1194,7 @@ CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1094,6 +1271,8 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
 CONFIG_DEBUG_SPINLOCK=y
 CONFIG_DEBUG_MUTEXES=y
 CONFIG_DEBUG_LOCK_ALLOC=y
@@ -1113,10 +1292,23 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1133,15 +1325,19 @@ CONFIG_4KSTACKS=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1214,6 +1410,11 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1221,7 +1422,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
@@ -1229,6 +1429,8 @@ CONFIG_CRC_T10DIF=y
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
+CONFIG_AUDIT_GENERIC=y
+CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
diff --git a/arch/sh/configs/rsk7203_defconfig b/arch/sh/configs/rsk7203_defconfig
index 840fe3843ff..85b0ac4fc66 100644
--- a/arch/sh/configs/rsk7203_defconfig
+++ b/arch/sh/configs/rsk7203_defconfig
@@ -1,25 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Mon Jul 28 22:23:03 2008
+# Linux kernel version: 2.6.27
+# Tue Oct 21 12:58:47 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_GPIO=y
 # CONFIG_GENERIC_TIME is not set
 # CONFIG_GENERIC_CLOCKEVENTS is not set
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -56,7 +58,6 @@ CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -72,7 +73,9 @@ CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 # CONFIG_SLAB is not set
 # CONFIG_SLUB is not set
 CONFIG_SLOB=y
@@ -80,14 +83,12 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_RT_MUTEXES=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
@@ -117,6 +118,7 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -183,10 +185,10 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
 
@@ -219,7 +221,6 @@ CONFIG_SH_CMT=y
 CONFIG_SH_TIMER_IRQ=142
 CONFIG_SH_PCLK_FREQ=16670800
 CONFIG_SH_CLK_MD=0
-# CONFIG_TICK_ONESHOT is not set
 
 #
 # CPU Frequency scaling
@@ -266,6 +267,7 @@ CONFIG_HZ=1000
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -292,11 +294,8 @@ CONFIG_BINFMT_ELF_FDPIC=y
 CONFIG_BINFMT_FLAT=y
 CONFIG_BINFMT_ZFLAT=y
 CONFIG_BINFMT_SHARED_FLAT=y
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -339,6 +338,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -359,11 +359,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -442,7 +441,6 @@ CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_PHYSMAP_START=0x0
 CONFIG_MTD_PHYSMAP_LEN=0x0
 CONFIG_MTD_PHYSMAP_BANKWIDTH=4
-# CONFIG_MTD_UCLINUX is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -509,6 +507,9 @@ CONFIG_SMC911X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -541,7 +542,7 @@ CONFIG_SMC911X=y
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -615,6 +616,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -655,9 +658,36 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_BRIGHT=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DELL=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
@@ -675,6 +705,7 @@ CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
@@ -691,6 +722,7 @@ CONFIG_USB_R8A66597_HCD=y
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
 # CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -705,7 +737,6 @@ CONFIG_USB_R8A66597_HCD=y
 # USB Imaging devices
 #
 # CONFIG_USB_MDC800 is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -718,7 +749,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -735,6 +766,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -762,12 +794,15 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -776,16 +811,18 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_SH=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -847,6 +884,7 @@ CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -905,10 +943,21 @@ CONFIG_DEBUG_WRITECOUNT=y
 CONFIG_DEBUG_LIST=y
 CONFIG_DEBUG_SG=y
 CONFIG_FRAME_POINTER=y
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -924,6 +973,7 @@ CONFIG_DEBUG_STACK_USAGE=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_CRYPTO is not set
 
@@ -931,7 +981,6 @@ CONFIG_DEBUG_STACK_USAGE=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
diff --git a/arch/sh/configs/rts7751r2d1_defconfig b/arch/sh/configs/rts7751r2d1_defconfig
index 8413236c1b3..7d2a9e88838 100644
--- a/arch/sh/configs/rts7751r2d1_defconfig
+++ b/arch/sh/configs/rts7751r2d1_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:55:52 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:44:36 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,17 +11,18 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_IO_TRAPPED=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
@@ -69,7 +70,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -77,15 +80,13 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -116,6 +117,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -183,12 +185,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -232,7 +235,6 @@ CONFIG_RTS7751R2D_1=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=60000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -268,6 +270,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -302,11 +305,9 @@ CONFIG_HOTPLUG_PCI=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -353,6 +354,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -373,11 +375,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 CONFIG_WIRELESS_EXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_MAC80211 is not set
@@ -598,6 +599,9 @@ CONFIG_MII=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
@@ -622,6 +626,7 @@ CONFIG_8139TOO=y
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
@@ -642,9 +647,11 @@ CONFIG_NETDEV_1000=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
@@ -654,6 +661,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_TR is not set
 
@@ -688,7 +696,7 @@ CONFIG_NETDEV_10000=y
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -776,11 +784,13 @@ CONFIG_SPI_SH_SCI=y
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ADCXX is not set
 # CONFIG_SENSORS_I5K_AMB is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SIS5595 is not set
@@ -808,6 +818,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 CONFIG_MFD_SM501=y
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -835,6 +847,7 @@ CONFIG_VIDEO_OUTPUT_CONTROL=m
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
@@ -868,6 +881,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SAVAGE is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -880,6 +894,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_SH_MOBILE_LCDC=m
 CONFIG_FB_SM501=y
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -905,6 +920,7 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 CONFIG_LOGO_SUPERH_CLUT224=y
 CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
 CONFIG_SND=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
@@ -1005,9 +1021,36 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_BRIGHT=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DELL=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1025,6 +1068,7 @@ CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MON is not set
 
 #
 # USB Host Controller Drivers
@@ -1047,6 +1091,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
 # CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1076,7 +1121,6 @@ CONFIG_USB_LIBUSUAL=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-# CONFIG_USB_MON is not set
 
 #
 # USB port drivers
@@ -1089,7 +1133,7 @@ CONFIG_USB_LIBUSUAL=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -1105,6 +1149,7 @@ CONFIG_USB_LIBUSUAL=y
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1134,16 +1179,20 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_MAX6902 is not set
 CONFIG_RTC_DRV_R9701=y
 # CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
 
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -1152,6 +1201,7 @@ CONFIG_RTC_DRV_R9701=y
 # CONFIG_RTC_DRV_SH is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -1160,10 +1210,11 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -1196,6 +1247,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1293,6 +1345,11 @@ CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -1305,12 +1362,14 @@ CONFIG_EARLY_PRINTK=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1383,6 +1442,11 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1390,7 +1454,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/rts7751r2dplus_defconfig b/arch/sh/configs/rts7751r2dplus_defconfig
index 7d9fa6e9ded..f680d3eecdf 100644
--- a/arch/sh/configs/rts7751r2dplus_defconfig
+++ b/arch/sh/configs/rts7751r2dplus_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 01:59:18 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:47:39 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,17 +11,18 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_IO_TRAPPED=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
@@ -69,7 +70,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -77,15 +80,13 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -116,6 +117,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -183,12 +185,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -232,7 +235,6 @@ CONFIG_RTS7751R2D_PLUS=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=60000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -268,6 +270,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -302,11 +305,9 @@ CONFIG_HOTPLUG_PCI=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -353,6 +354,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -373,11 +375,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 CONFIG_WIRELESS_EXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_MAC80211 is not set
@@ -598,6 +599,9 @@ CONFIG_MII=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
@@ -622,6 +626,7 @@ CONFIG_8139TOO=y
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
@@ -642,9 +647,11 @@ CONFIG_NETDEV_1000=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
 # CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
@@ -654,6 +661,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_TR is not set
 
@@ -688,7 +696,7 @@ CONFIG_NETDEV_10000=y
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -776,11 +784,13 @@ CONFIG_SPI_SH_SCI=y
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ADCXX is not set
 # CONFIG_SENSORS_I5K_AMB is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SIS5595 is not set
@@ -808,6 +818,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 CONFIG_MFD_SM501=y
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -835,6 +847,7 @@ CONFIG_VIDEO_OUTPUT_CONTROL=m
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
@@ -868,6 +881,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SAVAGE is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -880,6 +894,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_SH_MOBILE_LCDC=m
 CONFIG_FB_SM501=y
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -905,6 +920,7 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 CONFIG_LOGO_SUPERH_CLUT224=y
 CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
 CONFIG_SND=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
@@ -1005,9 +1021,36 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_BRIGHT=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DELL=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1025,6 +1068,7 @@ CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MON is not set
 
 #
 # USB Host Controller Drivers
@@ -1047,6 +1091,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
 # CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1076,7 +1121,6 @@ CONFIG_USB_LIBUSUAL=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-# CONFIG_USB_MON is not set
 
 #
 # USB port drivers
@@ -1089,7 +1133,7 @@ CONFIG_USB_LIBUSUAL=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -1105,6 +1149,7 @@ CONFIG_USB_LIBUSUAL=y
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1134,16 +1179,20 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_MAX6902 is not set
 CONFIG_RTC_DRV_R9701=y
 # CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
 
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -1152,6 +1201,7 @@ CONFIG_RTC_DRV_R9701=y
 # CONFIG_RTC_DRV_SH is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -1160,10 +1210,11 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -1196,6 +1247,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1293,6 +1345,11 @@ CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -1305,12 +1362,14 @@ CONFIG_EARLY_PRINTK=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1383,6 +1442,11 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1390,7 +1454,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/rts7751r2dplus_qemu_defconfig b/arch/sh/configs/rts7751r2dplus_qemu_defconfig
index a72796c0293..ae8f63000fb 100644
--- a/arch/sh/configs/rts7751r2dplus_qemu_defconfig
+++ b/arch/sh/configs/rts7751r2dplus_qemu_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.27-rc2
-# Mon Aug 18 22:17:44 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:51:20 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -13,12 +13,13 @@ CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
@@ -73,7 +74,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -81,15 +84,12 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -121,6 +121,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -188,12 +189,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -237,7 +239,6 @@ CONFIG_RTS7751R2D_PLUS=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=60000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -299,6 +300,8 @@ CONFIG_CMDLINE="console=tty0 console=ttySC0,115200 root=/dev/sda1 earlyprintk=se
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 # CONFIG_NET is not set
 
@@ -467,10 +470,12 @@ CONFIG_SPI_BITBANG=y
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_ADCXX is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
@@ -495,6 +500,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 CONFIG_MFD_SM501=y
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -519,6 +526,7 @@ CONFIG_VIDEO_OUTPUT_CONTROL=m
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
@@ -541,6 +549,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_SH_MOBILE_LCDC=m
 CONFIG_FB_SM501=y
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -566,6 +575,7 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 CONFIG_LOGO_SUPERH_CLUT224=y
 CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
 CONFIG_SND=m
 # CONFIG_SND_SEQUENCER is not set
 # CONFIG_SND_MIXER_OSS is not set
@@ -588,6 +598,12 @@ CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -616,16 +632,20 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_MAX6902 is not set
 CONFIG_RTC_DRV_R9701=y
 # CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
 
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -634,6 +654,7 @@ CONFIG_RTC_DRV_R9701=y
 # CONFIG_RTC_DRV_SH is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -642,10 +663,11 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
@@ -677,6 +699,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -790,10 +813,21 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -811,12 +845,14 @@ CONFIG_EARLY_PRINTK=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -889,13 +925,17 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/sdk7780_defconfig b/arch/sh/configs/sdk7780_defconfig
index 6d834f24290..543287b97a6 100644
--- a/arch/sh/configs/sdk7780_defconfig
+++ b/arch/sh/configs/sdk7780_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 02:00:12 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:53:22 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,17 +11,18 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -56,7 +57,6 @@ CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -73,7 +73,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLUB_DEBUG=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
@@ -81,15 +83,13 @@ CONFIG_SLUB=y
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -121,6 +121,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -196,12 +197,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -273,9 +275,10 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
-# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCHED_HRTICK=y
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
@@ -328,11 +331,9 @@ CONFIG_HOTPLUG_PCI=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -406,6 +407,7 @@ CONFIG_IPV6_NDISC_NODETYPE=y
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -424,6 +426,7 @@ CONFIG_NET_SCHED=y
 # CONFIG_NET_SCH_HTB is not set
 # CONFIG_NET_SCH_HFSC is not set
 # CONFIG_NET_SCH_PRIO is not set
+# CONFIG_NET_SCH_MULTIQ is not set
 # CONFIG_NET_SCH_RED is not set
 # CONFIG_NET_SCH_SFQ is not set
 # CONFIG_NET_SCH_TEQL is not set
@@ -456,11 +459,10 @@ CONFIG_NET_SCH_FIFO=y
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -510,21 +512,19 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_MISC_DEVICES is not set
 CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
-CONFIG_IDE_MAX_HWIFS=4
-CONFIG_BLK_DEV_IDE=y
 
 #
 # Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 # CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=y
-CONFIG_IDEDISK_MULTI_MODE=y
+CONFIG_IDE_GD=y
+CONFIG_IDE_GD_ATA=y
+# CONFIG_IDE_GD_ATAPI is not set
 # CONFIG_BLK_DEV_IDECS is not set
 # CONFIG_BLK_DEV_DELKIN is not set
 CONFIG_BLK_DEV_IDECD=y
 CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
 # CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDEFLOPPY is not set
 # CONFIG_BLK_DEV_IDESCSI is not set
 # CONFIG_IDE_TASK_IOCTL is not set
 CONFIG_IDE_PROC_FS=y
@@ -748,9 +748,13 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_NET_PCI is not set
 # CONFIG_B44 is not set
 # CONFIG_NET_POCKET is not set
+# CONFIG_ATL2 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
@@ -790,7 +794,7 @@ CONFIG_NET_POLL_CONTROLLER=y
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -825,6 +829,7 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
@@ -923,6 +928,8 @@ CONFIG_SSB_DRIVER_PCICORE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -949,6 +956,7 @@ CONFIG_SSB_DRIVER_PCICORE=y
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=m
 CONFIG_FB_CFB_COPYAREA=m
 CONFIG_FB_CFB_IMAGEBLIT=m
@@ -982,6 +990,7 @@ CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SAVAGE is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -993,6 +1002,7 @@ CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_CARMINE is not set
 CONFIG_FB_SH_MOBILE_LCDC=m
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -1022,6 +1032,7 @@ CONFIG_LOGO_SUPERH_MONO=y
 CONFIG_LOGO_SUPERH_VGA16=y
 CONFIG_LOGO_SUPERH_CLUT224=y
 CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
 # CONFIG_SND is not set
 CONFIG_SOUND_PRIME=y
 CONFIG_HID_SUPPORT=y
@@ -1033,9 +1044,36 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_BRIGHT=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DELL=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1053,6 +1091,7 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
@@ -1074,6 +1113,7 @@ CONFIG_USB_EHCI_HCD=y
 # CONFIG_USB_ACM is not set
 CONFIG_USB_PRINTER=y
 # CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1103,7 +1143,6 @@ CONFIG_USB_STORAGE=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -1117,7 +1156,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -1135,6 +1174,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1155,6 +1195,7 @@ CONFIG_LEDS_CLASS=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -1168,12 +1209,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -1211,6 +1253,7 @@ CONFIG_NTFS_RW=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
@@ -1252,6 +1295,7 @@ CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1349,10 +1393,23 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1369,12 +1426,14 @@ CONFIG_DEBUG_STACKOVERFLOW=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1448,6 +1507,11 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1455,7 +1519,6 @@ CONFIG_CRYPTO_HW=y
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig
index af15cbef12b..25717ff26ca 100644
--- a/arch/sh/configs/se7206_defconfig
+++ b/arch/sh/configs/se7206_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 02:06:07 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 18:57:39 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,16 +11,17 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 # CONFIG_GENERIC_TIME is not set
 # CONFIG_GENERIC_CLOCKEVENTS is not set
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -45,6 +46,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_CGROUPS=y
 CONFIG_CGROUP_DEBUG=y
 CONFIG_CGROUP_NS=y
+# CONFIG_CGROUP_FREEZER is not set
 CONFIG_CGROUP_DEVICE=y
 # CONFIG_GROUP_SCHED is not set
 CONFIG_CGROUP_CPUACCT=y
@@ -80,7 +82,9 @@ CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 # CONFIG_SLAB is not set
 # CONFIG_SLUB is not set
 CONFIG_SLOB=y
@@ -88,14 +92,12 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_RT_MUTEXES=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
@@ -126,6 +128,7 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
 # CONFIG_CLASSIC_RCU is not set
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -192,10 +195,10 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
 
@@ -228,7 +231,6 @@ CONFIG_SH_CMT=y
 CONFIG_SH_TIMER_IRQ=140
 CONFIG_SH_PCLK_FREQ=33333333
 CONFIG_SH_CLK_MD=6
-# CONFIG_TICK_ONESHOT is not set
 
 #
 # CPU Frequency scaling
@@ -275,6 +277,7 @@ CONFIG_HZ=1000
 # CONFIG_SCHED_HRTICK is not set
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
@@ -307,11 +310,8 @@ CONFIG_BINFMT_ELF_FDPIC=y
 CONFIG_BINFMT_FLAT=y
 CONFIG_BINFMT_ZFLAT=y
 CONFIG_BINFMT_SHARED_FLAT=y
+# CONFIG_HAVE_AOUT is not set
 CONFIG_BINFMT_MISC=y
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -361,6 +361,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -381,11 +382,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -461,7 +461,6 @@ CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_PHYSMAP_START=0x20000000
 CONFIG_MTD_PHYSMAP_LEN=0x01000000
 CONFIG_MTD_PHYSMAP_BANKWIDTH=4
-# CONFIG_MTD_UCLINUX is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -531,6 +530,9 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -609,6 +611,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -666,12 +670,15 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -680,6 +687,7 @@ CONFIG_RTC_INTF_DEV=y
 CONFIG_RTC_DRV_SH=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -687,10 +695,11 @@ CONFIG_RTC_DRV_SH=y
 CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -755,6 +764,7 @@ CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -811,10 +821,19 @@ CONFIG_DEBUG_VM=y
 CONFIG_DEBUG_LIST=y
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -828,12 +847,14 @@ CONFIG_DEBUG_STACK_USAGE=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -907,13 +928,17 @@ CONFIG_CRYPTO_ALGAPI=y
 #
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 CONFIG_CRC_CCITT=y
 CONFIG_CRC16=y
 # CONFIG_CRC_T10DIF is not set
diff --git a/arch/sh/configs/se7343_defconfig b/arch/sh/configs/se7343_defconfig
index 4e30b70377e..075f42ed5b0 100644
--- a/arch/sh/configs/se7343_defconfig
+++ b/arch/sh/configs/se7343_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 02:08:38 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:00:21 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,16 +11,17 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -71,22 +72,22 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 # CONFIG_SHMEM is not set
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
@@ -117,6 +118,7 @@ CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="deadline"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -186,12 +188,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -225,7 +228,6 @@ CONFIG_SH_7343_SOLUTION_ENGINE=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=27000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -261,6 +263,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -284,11 +287,9 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -334,6 +335,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -354,11 +356,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -529,6 +530,9 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
@@ -632,6 +636,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -655,11 +661,11 @@ CONFIG_VIDEO_V4L2=y
 CONFIG_VIDEO_V4L1=y
 CONFIG_VIDEO_CAPTURE_DRIVERS=y
 # CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
 CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
 # CONFIG_VIDEO_VIVI is not set
 # CONFIG_VIDEO_CPIA is not set
 # CONFIG_SOC_CAMERA is not set
-# CONFIG_VIDEO_SH_MOBILE_CEU is not set
 CONFIG_RADIO_ADAPTERS=y
 # CONFIG_DAB is not set
 
@@ -671,6 +677,7 @@ CONFIG_RADIO_ADAPTERS=y
 CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=m
 CONFIG_FB_CFB_COPYAREA=m
 CONFIG_FB_CFB_IMAGEBLIT=m
@@ -692,6 +699,7 @@ CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_S1D13XXX is not set
 CONFIG_FB_SH_MOBILE_LCDC=m
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -706,6 +714,7 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_FRAMEBUFFER_CONSOLE is not set
 # CONFIG_LOGO is not set
 CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
@@ -734,6 +743,12 @@ CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -742,6 +757,7 @@ CONFIG_HID=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -753,12 +769,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -787,6 +804,7 @@ CONFIG_FS_MBCACHE=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -837,6 +855,7 @@ CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -868,6 +887,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 CONFIG_EARLY_SCIF_CONSOLE=y
@@ -880,12 +904,14 @@ CONFIG_EARLY_PRINTK=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -958,13 +984,17 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
diff --git a/arch/sh/configs/se7619_defconfig b/arch/sh/configs/se7619_defconfig
index 80c1c72edb5..db9cacd7c4e 100644
--- a/arch/sh/configs/se7619_defconfig
+++ b/arch/sh/configs/se7619_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26
-# Wed Jul 30 02:12:32 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:03:29 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -11,16 +11,17 @@ CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 # CONFIG_GENERIC_TIME is not set
 # CONFIG_GENERIC_CLOCKEVENTS is not set
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -58,21 +59,20 @@ CONFIG_ANON_INODES=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
+CONFIG_AIO=y
 # CONFIG_VM_EVENT_COUNTERS is not set
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=1
@@ -96,6 +96,7 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -161,10 +162,10 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
 
@@ -196,7 +197,6 @@ CONFIG_SH_CMT=y
 CONFIG_SH_TIMER_IRQ=86
 CONFIG_SH_PCLK_FREQ=31250000
 CONFIG_SH_CLK_MD=5
-# CONFIG_TICK_ONESHOT is not set
 
 #
 # CPU Frequency scaling
@@ -228,6 +228,7 @@ CONFIG_HZ=100
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
@@ -253,11 +254,8 @@ CONFIG_BINFMT_ELF_FDPIC=y
 CONFIG_BINFMT_FLAT=y
 CONFIG_BINFMT_ZFLAT=y
 # CONFIG_BINFMT_SHARED_FLAT is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 # CONFIG_NET is not set
 
 #
@@ -328,7 +326,6 @@ CONFIG_MTD_PHYSMAP_START=0xa0000000
 CONFIG_MTD_PHYSMAP_LEN=0x01000000
 CONFIG_MTD_PHYSMAP_BANKWIDTH=2
 # CONFIG_MTD_SOLUTIONENGINE is not set
-# CONFIG_MTD_UCLINUX is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -455,6 +452,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -488,6 +487,12 @@ CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
@@ -496,6 +501,10 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
+#
+# Enable Host or Gadget support to see Inventra options
+#
+
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
@@ -507,16 +516,18 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
@@ -589,6 +600,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -597,6 +613,7 @@ CONFIG_FRAME_WARN=1024
 # Security options
 #
 # CONFIG_KEYS is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_CRYPTO is not set
 
@@ -604,7 +621,6 @@ CONFIG_FRAME_WARN=1024
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
diff --git a/arch/sh/configs/se7705_defconfig b/arch/sh/configs/se7705_defconfig
index 490dcbc2ce3..d88190fdd7c 100644
--- a/arch/sh/configs/se7705_defconfig
+++ b/arch/sh/configs/se7705_defconfig
@@ -1,34 +1,36 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.21-rc5
-# Thu Apr 26 09:16:31 2007
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:04:52 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
-# CONFIG_GENERIC_TIME is not set
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 # CONFIG_SWAP is not set
@@ -36,11 +38,13 @@ CONFIG_LOCALVERSION_AUTO=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
-CONFIG_SYSFS_DEPRECATED=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -53,32 +57,45 @@ CONFIG_UID16=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 # CONFIG_MODULE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -92,59 +109,18 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
-CONFIG_SOLUTION_ENGINE=y
-CONFIG_SH_SOLUTION_ENGINE=y
-# CONFIG_SH_7751_SOLUTION_ENGINE is not set
-# CONFIG_SH_7780_SOLUTION_ENGINE is not set
-# CONFIG_SH_7300_SOLUTION_ENGINE is not set
-# CONFIG_SH_7343_SOLUTION_ENGINE is not set
-# CONFIG_SH_73180_SOLUTION_ENGINE is not set
-# CONFIG_SH_7722_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SYSTEMH is not set
-# CONFIG_SH_HP6XX is not set
-# CONFIG_SH_SATURN is not set
-# CONFIG_SH_DREAMCAST is not set
-# CONFIG_SH_MPC1211 is not set
-# CONFIG_SH_SH03 is not set
-# CONFIG_SH_SECUREEDGE5410 is not set
-# CONFIG_SH_HS7751RVOIP is not set
-# CONFIG_SH_7710VOIPGW is not set
-# CONFIG_SH_RTS7751R2D is not set
-# CONFIG_SH_HIGHLANDER is not set
-# CONFIG_SH_EDOSK7705 is not set
-# CONFIG_SH_SH4202_MICRODEV is not set
-# CONFIG_SH_LANDISK is not set
-# CONFIG_SH_TITAN is not set
-# CONFIG_SH_SHMIN is not set
-# CONFIG_SH_7206_SOLUTION_ENGINE is not set
-# CONFIG_SH_7619_SOLUTION_ENGINE is not set
-# CONFIG_SH_LBOX_RE2 is not set
-# CONFIG_SH_UNKNOWN is not set
-
-#
-# Processor selection
-#
 CONFIG_CPU_SH3=y
-
-#
-# SH-2 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7604 is not set
 # CONFIG_CPU_SUBTYPE_SH7619 is not set
-
-#
-# SH-2A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
-
-#
-# SH-3 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 CONFIG_CPU_SUBTYPE_SH7705=y
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -152,10 +128,8 @@ CONFIG_CPU_SUBTYPE_SH7705=y
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
 # CONFIG_CPU_SUBTYPE_SH7712 is not set
-
-#
-# SH-4 Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -164,63 +138,62 @@ CONFIG_CPU_SUBTYPE_SH7705=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-
-#
-# ST40 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
-
-#
-# SH-4A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
 # CONFIG_CPU_SUBTYPE_SH7785 is not set
-
-#
-# SH4AL-DSP Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
 # CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
 #
+CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x0c000000
 CONFIG_MEMORY_SIZE=0x02000000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
 CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 CONFIG_SH7705_CACHE_32KB=y
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
-# CONFIG_SH_OCRAM is not set
-CONFIG_CF_ENABLER=y
-# CONFIG_CF_AREA5 is not set
-CONFIG_CF_AREA6=y
-# CONFIG_CF_AREA4 is not set
-CONFIG_CF_BASE_ADDR=0xb8000000
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
@@ -228,18 +201,27 @@ CONFIG_CF_BASE_ADDR=0xb8000000
 CONFIG_CPU_LITTLE_ENDIAN=y
 # CONFIG_CPU_BIG_ENDIAN is not set
 # CONFIG_SH_FPU_EMU is not set
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_ADC is not set
 CONFIG_CPU_HAS_INTEVT=y
 CONFIG_CPU_HAS_IPR_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
 
+#
+# Board support
+#
+CONFIG_SOLUTION_ENGINE=y
+CONFIG_SH_SOLUTION_ENGINE=y
+# CONFIG_SH_EDOSK7705 is not set
+
 #
 # Timer and clock configuration
 #
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=33333333
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -254,7 +236,6 @@ CONFIG_SH_PCLK_FREQ=33333333
 #
 # Companion Chips
 #
-# CONFIG_HD6446X_SERIES is not set
 
 #
 # Additional SuperH Device Drivers
@@ -270,55 +251,45 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
-# CONFIG_SMP is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-CONFIG_PREEMPT_BKL=y
+# CONFIG_PREEMPT_RCU is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
 #
 CONFIG_ZERO_PAGE_OFFSET=0x00001000
 CONFIG_BOOT_LINK_OFFSET=0x00800000
-# CONFIG_UBC_WAKEUP is not set
 # CONFIG_CMDLINE_BOOL is not set
 
 #
 # Bus options
 #
-# CONFIG_PCI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-
-#
-# PCI Hotplug Support
-#
+CONFIG_CF_ENABLER=y
+# CONFIG_CF_AREA5 is not set
+CONFIG_CF_AREA6=y
+CONFIG_CF_BASE_ADDR=0xb8000000
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_FLAT is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Power management options (EXPERIMENTAL)
-#
-# CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
-# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -326,6 +297,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -347,6 +319,7 @@ CONFIG_IP_PNP_RARP=y
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -354,27 +327,14 @@ CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -384,10 +344,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
@@ -395,9 +351,19 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -409,21 +375,14 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
 # CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
@@ -436,6 +395,7 @@ CONFIG_MTD_BLOCK=y
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -461,7 +421,6 @@ CONFIG_MTD_CFI_UTIL=y
 # CONFIG_MTD_RAM is not set
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_ABSENT is not set
-# CONFIG_MTD_OBSOLETE_CHIPS is not set
 
 #
 # Mapping drivers for chip access
@@ -484,47 +443,29 @@ CONFIG_MTD_CFI_UTIL=y
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
 # CONFIG_MTD_NAND is not set
-
-#
-# OneNAND Flash Device Drivers
-#
 # CONFIG_MTD_ONENAND is not set
 
 #
-# Parallel port support
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-# CONFIG_PNPACPI is not set
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=8192
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# Misc devices
-#
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -532,73 +473,41 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 #
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-
-#
-# PHY device support
-#
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 # CONFIG_MII is not set
+# CONFIG_AX88796 is not set
 CONFIG_STNIC=y
 # CONFIG_SMC91X is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
-#
-
-#
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
-#
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 CONFIG_PPP=y
 # CONFIG_PPP_MULTILINK is not set
@@ -609,21 +518,13 @@ CONFIG_PPP_DEFLATE=y
 # CONFIG_PPP_BSDCOMP is not set
 # CONFIG_PPP_MPPE is not set
 # CONFIG_PPPOE is not set
+# CONFIG_PPPOL2TP is not set
 # CONFIG_SLIP is not set
 CONFIG_SLHC=y
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -631,13 +532,13 @@ CONFIG_SLHC=y
 #
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
 
 #
 # Userland interfaces
 #
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 # CONFIG_INPUT_EVDEV is not set
 # CONFIG_INPUT_EVBUG is not set
 
@@ -647,6 +548,7 @@ CONFIG_INPUT=y
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
 # CONFIG_INPUT_MISC is not set
 
@@ -664,6 +566,7 @@ CONFIG_SERIO=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -681,153 +584,110 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_GEN_RTC is not set
-# CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
-
-#
-# I2C support
-#
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
-
-#
-# Dallas's 1-wire bus
-#
 # CONFIG_W1 is not set
-
-#
-# Hardware Monitoring support
-#
+# CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
 # CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Digital Video Broadcasting Devices
+# Multimedia drivers
 #
-# CONFIG_DVB is not set
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
-
-#
-# HID Devices
-#
+CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
 
 #
-# USB support
+# Special HID drivers
 #
-# CONFIG_USB_ARCH_HAS_HCD is not set
+CONFIG_HID_COMPAT=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
-
-#
-# Auxiliary Display support
-#
-
-#
-# Virtualization
-#
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -836,18 +696,16 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -871,11 +729,11 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 # CONFIG_SYSFS is not set
 # CONFIG_TMPFS is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 
 #
 # Miscellaneous filesystems
@@ -890,31 +748,33 @@ CONFIG_RAMFS=y
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
 CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
 # CONFIG_JFFS2_SUMMARY is not set
 # CONFIG_JFFS2_FS_XATTR is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 # CONFIG_NFS_V3 is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-# CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -922,40 +782,34 @@ CONFIG_SUNRPC=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
 # CONFIG_NLS is not set
 
-#
-# Distributed Lock Manager
-#
-
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
 #
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
 # CONFIG_SH_KGDB is not set
@@ -964,11 +818,92 @@ CONFIG_LOG_BUF_SHIFT=14
 # Security options
 #
 # CONFIG_KEYS is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Cryptographic options
+# Random Number Generation
 #
-# CONFIG_CRYPTO is not set
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
@@ -976,10 +911,14 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BITREVERSE=y
 CONFIG_CRC_CCITT=y
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/sh/configs/se7712_defconfig b/arch/sh/configs/se7712_defconfig
index 7be79cd04eb..869ab1737de 100644
--- a/arch/sh/configs/se7712_defconfig
+++ b/arch/sh/configs/se7712_defconfig
@@ -1,24 +1,26 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc6
-# Wed Jun 18 16:36:08 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:08:12 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -51,7 +53,6 @@ CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -68,17 +69,22 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 # CONFIG_SHMEM is not set
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 CONFIG_TINY_SHMEM=y
@@ -88,12 +94,13 @@ CONFIG_MODULES=y
 # CONFIG_MODULE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -108,6 +115,7 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -167,6 +175,7 @@ CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -174,12 +183,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -207,7 +217,6 @@ CONFIG_CPU_HAS_DSP=y
 #
 CONFIG_SOLUTION_ENGINE=y
 CONFIG_SH_SOLUTION_ENGINE=y
-# CONFIG_SH_AP325RXA is not set
 
 #
 # Timer and clock configuration
@@ -215,7 +224,6 @@ CONFIG_SH_SOLUTION_ENGINE=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=66666666
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -251,6 +259,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -279,11 +288,9 @@ CONFIG_CF_BASE_ADDR=0xb8000000
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -297,6 +304,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
 # CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=y
 CONFIG_NET_KEY=y
 # CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
@@ -341,6 +349,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -359,7 +368,7 @@ CONFIG_NET_SCH_CBQ=y
 CONFIG_NET_SCH_HTB=y
 CONFIG_NET_SCH_HFSC=y
 CONFIG_NET_SCH_PRIO=y
-# CONFIG_NET_SCH_RR is not set
+# CONFIG_NET_SCH_MULTIQ is not set
 CONFIG_NET_SCH_RED=y
 CONFIG_NET_SCH_SFQ=y
 CONFIG_NET_SCH_TEQL=y
@@ -395,12 +404,11 @@ CONFIG_NET_SCH_FIFO=y
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
 CONFIG_FIB_RULES=y
-
-#
-# Wireless
-#
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -418,6 +426,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 # CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
@@ -504,6 +514,7 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_RAM is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
@@ -550,6 +561,7 @@ CONFIG_SCSI_WAIT_SCAN=m
 CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
 # CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
 CONFIG_SATA_PMP=y
@@ -558,7 +570,6 @@ CONFIG_ATA_SFF=y
 CONFIG_PATA_PLATFORM=y
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -593,9 +604,11 @@ CONFIG_SH_ETH=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 CONFIG_NETDEV_1000=y
-# CONFIG_E1000E_ENABLED is not set
 CONFIG_NETDEV_10000=y
 
 #
@@ -657,6 +670,7 @@ CONFIG_HW_RANDOM=m
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
 
 #
@@ -668,8 +682,11 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -699,10 +716,6 @@ CONFIG_SSB_POSSIBLE=y
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
-
-#
-# Sound
-#
 # CONFIG_SOUND is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
@@ -712,6 +725,10 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
+#
+# Enable Host or Gadget support to see Inventra options
+#
+
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
@@ -734,7 +751,9 @@ CONFIG_LEDS_TRIGGERS=y
 # CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
 # CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -748,12 +767,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -782,6 +802,7 @@ CONFIG_FS_POSIX_ACL=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -813,6 +834,7 @@ CONFIG_JFFS2_RTIME=y
 CONFIG_CRAMFS=y
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -822,12 +844,12 @@ CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 # CONFIG_NFS_V3 is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
-# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -877,13 +899,26 @@ CONFIG_SCHED_DEBUG=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -899,16 +934,19 @@ CONFIG_FRAME_POINTER=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
 CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -947,6 +985,10 @@ CONFIG_CRYPTO_HMAC=y
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
@@ -977,15 +1019,20 @@ CONFIG_CRYPTO_DES=y
 #
 CONFIG_CRYPTO_DEFLATE=y
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 CONFIG_CRC_CCITT=y
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/se7721_defconfig b/arch/sh/configs/se7721_defconfig
index f3d4ca0caa4..b52be14074d 100644
--- a/arch/sh/configs/se7721_defconfig
+++ b/arch/sh/configs/se7721_defconfig
@@ -1,24 +1,26 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.25-rc5
-# Fri Mar 21 12:05:31 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:12:06 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -71,30 +73,38 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 # CONFIG_SHMEM is not set
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=1
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 # CONFIG_MODULE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -109,6 +119,7 @@ CONFIG_IOSCHED_NOOP=y
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -136,6 +147,7 @@ CONFIG_CPU_SUBTYPE_SH7721=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
 # CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
@@ -165,7 +177,9 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -173,11 +187,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -211,7 +227,6 @@ CONFIG_SH_7721_SOLUTION_ENGINE=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=33333333
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -247,6 +262,7 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -275,11 +291,9 @@ CONFIG_CF_BASE_ADDR=0xb8000000
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -293,6 +307,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
 # CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=y
 CONFIG_NET_KEY=y
 # CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
@@ -330,8 +345,6 @@ CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
@@ -339,6 +352,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -357,7 +371,7 @@ CONFIG_NET_SCH_CBQ=y
 CONFIG_NET_SCH_HTB=y
 CONFIG_NET_SCH_HFSC=y
 CONFIG_NET_SCH_PRIO=y
-# CONFIG_NET_SCH_RR is not set
+# CONFIG_NET_SCH_MULTIQ is not set
 CONFIG_NET_SCH_RED=y
 CONFIG_NET_SCH_SFQ=y
 CONFIG_NET_SCH_TEQL=y
@@ -393,12 +407,11 @@ CONFIG_NET_SCH_FIFO=y
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
 CONFIG_FIB_RULES=y
-
-#
-# Wireless
-#
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -416,6 +429,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 # CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
@@ -426,6 +441,7 @@ CONFIG_MTD_CONCAT=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
@@ -502,6 +518,7 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_RAM is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
@@ -546,13 +563,15 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_SAS_LIBSAS is not set
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
+CONFIG_ATA_SFF=y
 # CONFIG_SATA_MV is not set
 CONFIG_PATA_PLATFORM=y
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -561,7 +580,6 @@ CONFIG_NETDEVICES=y
 # CONFIG_VETH is not set
 # CONFIG_NET_ETHERNET is not set
 CONFIG_NETDEV_1000=y
-# CONFIG_E1000E_ENABLED is not set
 CONFIG_NETDEV_10000=y
 
 #
@@ -569,6 +587,7 @@ CONFIG_NETDEV_10000=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 
 #
 # USB Network Adapters
@@ -591,7 +610,7 @@ CONFIG_NETDEV_10000=y
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -620,6 +639,7 @@ CONFIG_INPUT_MOUSE=y
 # CONFIG_MOUSE_PS2 is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
@@ -636,6 +656,7 @@ CONFIG_INPUT_MOUSE=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -659,12 +680,7 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
@@ -680,13 +696,26 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
 # CONFIG_DAB is not set
 
 #
@@ -701,10 +730,6 @@ CONFIG_SSB_POSSIBLE=y
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
-
-#
-# Sound
-#
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
@@ -715,9 +740,36 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_BRIGHT=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DELL=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -733,11 +785,16 @@ CONFIG_USB=y
 CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
 CONFIG_USB_OHCI_HCD=y
 # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
 # CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
@@ -750,6 +807,8 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 #
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -771,6 +830,7 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
@@ -778,7 +838,6 @@ CONFIG_USB_STORAGE=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -791,7 +850,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -806,6 +865,8 @@ CONFIG_USB_MON=y
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -822,12 +883,12 @@ CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_TRIGGERS=y
 # CONFIG_LEDS_TRIGGER_TIMER is not set
 # CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# Userspace I/O
-#
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -841,14 +902,14 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
@@ -879,6 +940,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -910,6 +972,7 @@ CONFIG_JFFS2_RTIME=y
 CONFIG_CRAMFS=y
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -971,6 +1034,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
@@ -981,6 +1045,7 @@ CONFIG_DEBUG_KERNEL=y
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
@@ -994,13 +1059,27 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1016,55 +1095,96 @@ CONFIG_FRAME_POINTER=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
 CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
-# CONFIG_CRYPTO_SEQIV is not set
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=y
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
 CONFIG_CRYPTO_HMAC=y
 # CONFIG_CRYPTO_XCBC is not set
-# CONFIG_CRYPTO_NULL is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
 # CONFIG_CRYPTO_TGR192 is not set
-# CONFIG_CRYPTO_GF128MUL is not set
-# CONFIG_CRYPTO_ECB is not set
-CONFIG_CRYPTO_CBC=y
-# CONFIG_CRYPTO_PCBC is not set
-# CONFIG_CRYPTO_LRW is not set
-# CONFIG_CRYPTO_XTS is not set
-# CONFIG_CRYPTO_CTR is not set
-# CONFIG_CRYPTO_GCM is not set
-# CONFIG_CRYPTO_CCM is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-CONFIG_CRYPTO_DES=y
-# CONFIG_CRYPTO_FCRYPT is not set
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
 # CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_CAST5 is not set
 # CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-# CONFIG_CRYPTO_ARC4 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
 # CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
-# CONFIG_CRYPTO_SEED is not set
 # CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
 CONFIG_CRYPTO_DEFLATE=y
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_CAMELLIA is not set
-# CONFIG_CRYPTO_TEST is not set
-CONFIG_CRYPTO_AUTHENC=y
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
@@ -1073,6 +1193,7 @@ CONFIG_CRYPTO_HW=y
 CONFIG_BITREVERSE=y
 CONFIG_CRC_CCITT=y
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/se7722_defconfig b/arch/sh/configs/se7722_defconfig
index 8e6a6baf5d2..e6df51f098f 100644
--- a/arch/sh/configs/se7722_defconfig
+++ b/arch/sh/configs/se7722_defconfig
@@ -1,53 +1,56 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22-rc4
-# Wed Jun 20 18:08:04 2007
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:15:10 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_NUMA=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_SYSFS_DEPRECATED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -61,6 +64,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
@@ -69,32 +73,41 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLUB_DEBUG=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
 # CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+# CONFIG_OPROFILE is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -108,6 +121,8 @@ CONFIG_IOSCHED_NOOP=y
 # CONFIG_DEFAULT_CFQ is not set
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -117,8 +132,10 @@ CONFIG_CPU_SH4A=y
 CONFIG_CPU_SH4AL_DSP=y
 CONFIG_CPU_SHX2=y
 # CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -126,6 +143,8 @@ CONFIG_CPU_SHX2=y
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
 # CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -134,14 +153,17 @@ CONFIG_CPU_SHX2=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
 # CONFIG_CPU_SUBTYPE_SH7785 is not set
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
 CONFIG_CPU_SUBTYPE_SH7722=y
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
@@ -151,6 +173,7 @@ CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x0c000000
 CONFIG_MEMORY_SIZE=0x04000000
+CONFIG_29BIT=y
 # CONFIG_X2TLB is not set
 CONFIG_VSYSCALL=y
 CONFIG_NUMA=y
@@ -161,14 +184,18 @@ CONFIG_MAX_ACTIVE_REGIONS=2
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_HUGETLB_PAGE_SIZE_64K=y
 # CONFIG_HUGETLB_PAGE_SIZE_256K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_1MB is not set
 # CONFIG_HUGETLB_PAGE_SIZE_4MB is not set
 # CONFIG_HUGETLB_PAGE_SIZE_64MB is not set
+# CONFIG_HUGETLB_PAGE_SIZE_512MB is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 # CONFIG_FLATMEM_MANUAL is not set
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -181,34 +208,38 @@ CONFIG_SPARSEMEM_STATIC=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_MIGRATION=y
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
 #
 CONFIG_CPU_LITTLE_ENDIAN=y
 # CONFIG_CPU_BIG_ENDIAN is not set
-# CONFIG_SH_FPU is not set
 # CONFIG_SH_FPU_EMU is not set
 CONFIG_SH_DSP=y
 CONFIG_SH_STORE_QUEUES=y
 CONFIG_CPU_HAS_INTEVT=y
-CONFIG_CPU_HAS_INTC_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
 CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_DSP=y
 
 #
 # Board support
 #
 CONFIG_SOLUTION_ENGINE=y
 CONFIG_SH_7722_SOLUTION_ENGINE=y
+# CONFIG_SH_MIGOR is not set
 
 #
 # Timer and clock configuration
@@ -219,6 +250,7 @@ CONFIG_SH_PCLK_FREQ=33333333
 CONFIG_TICK_ONESHOT=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -248,19 +280,21 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+CONFIG_SCHED_HRTICK=y
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-CONFIG_PREEMPT_BKL=y
+# CONFIG_PREEMPT_RCU is not set
+CONFIG_GUSA=y
 
 #
 # Boot options
 #
 CONFIG_ZERO_PAGE_OFFSET=0x00001000
 CONFIG_BOOT_LINK_OFFSET=0x00800000
-# CONFIG_UBC_WAKEUP is not set
 # CONFIG_CMDLINE_BOOL is not set
 
 #
@@ -271,21 +305,15 @@ CONFIG_CF_ENABLER=y
 CONFIG_CF_AREA6=y
 CONFIG_CF_BASE_ADDR=0xb8000000
 # CONFIG_ARCH_SUPPORTS_MSI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
 # CONFIG_PCCARD is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -298,6 +326,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -316,6 +345,7 @@ CONFIG_IP_FIB_HASH=y
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -323,8 +353,6 @@ CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
@@ -332,6 +360,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -341,10 +370,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
@@ -352,18 +377,19 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -372,44 +398,29 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # Generic Driver Options
 #
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
 # CONFIG_CONNECTOR is not set
 # CONFIG_MTD is not set
-
-#
-# Parallel port support
-#
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-# CONFIG_PNPACPI is not set
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# Misc devices
-#
-# CONFIG_BLINK is not set
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -417,6 +428,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
 # CONFIG_SCSI_TGT is not set
 # CONFIG_SCSI_NETLINK is not set
 CONFIG_SCSI_PROC_FS=y
@@ -446,40 +458,41 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_SPI_ATTRS is not set
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
 # CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_MV is not set
 CONFIG_PATA_PLATFORM=y
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
 CONFIG_SMC91X=y
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
 
@@ -488,22 +501,14 @@ CONFIG_NETDEV_10000=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -511,6 +516,7 @@ CONFIG_NETDEV_10000=y
 #
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
 
 #
 # Userland interfaces
@@ -520,7 +526,6 @@ CONFIG_INPUT_MOUSEDEV=y
 CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 # CONFIG_INPUT_EVDEV is not set
 # CONFIG_INPUT_EVBUG is not set
 
@@ -534,6 +539,7 @@ CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SH_KEYSC is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
@@ -554,6 +560,7 @@ CONFIG_SERIO_LIBPS2=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -572,119 +579,106 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
 CONFIG_HW_RANDOM=y
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
-
-#
-# Dallas's 1-wire bus
-#
 # CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
 # CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-CONFIG_DAB=y
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Graphics support
+# Multimedia drivers
 #
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_DAB=y
 
 #
-# Display device support
+# Graphics support
 #
-# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
-
-#
-# HID Devices
-#
+CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
 
 #
-# USB support
+# Special HID drivers
 #
-# CONFIG_USB_ARCH_HAS_HCD is not set
+CONFIG_HID_COMPAT=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
+# CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_HCTOSYS=y
@@ -700,10 +694,6 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
 # CONFIG_RTC_DRV_TEST is not set
 
-#
-# I2C RTC drivers
-#
-
 #
 # SPI RTC drivers
 #
@@ -711,28 +701,24 @@ CONFIG_RTC_INTF_DEV=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
 # on-CPU RTC drivers
 #
 CONFIG_RTC_DRV_SH=y
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -744,22 +730,20 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -783,12 +767,12 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -803,14 +787,14 @@ CONFIG_RAMFS=y
 # CONFIG_EFS_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
@@ -818,42 +802,39 @@ CONFIG_RAMFS=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
 # CONFIG_NLS is not set
-
-#
-# Distributed Lock Manager
-#
 # CONFIG_DLM is not set
 
-#
-# Profiling support
-#
-CONFIG_PROFILING=y
-# CONFIG_OPROFILE is not set
-
 #
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
 # CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
 # CONFIG_EARLY_PRINTK is not set
@@ -864,11 +845,92 @@ CONFIG_SH_STANDARD_BIOS=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Cryptographic options
+# Random Number Generation
 #
-# CONFIG_CRYPTO is not set
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
@@ -876,8 +938,10 @@ CONFIG_SH_STANDARD_BIOS=y
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
diff --git a/arch/sh/configs/se7750_defconfig b/arch/sh/configs/se7750_defconfig
index 167786f9a9b..a577099c324 100644
--- a/arch/sh/configs/se7750_defconfig
+++ b/arch/sh/configs/se7750_defconfig
@@ -1,48 +1,55 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.20-rc2
-# Thu Dec 28 23:15:49 2006
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:17:29 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
-# CONFIG_GENERIC_TIME is not set
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
+CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
-CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
@@ -54,33 +61,47 @@ CONFIG_KALLSYMS=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 # CONFIG_MODULE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -94,68 +115,27 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
-CONFIG_SOLUTION_ENGINE=y
-CONFIG_SH_SOLUTION_ENGINE=y
-# CONFIG_SH_7751_SOLUTION_ENGINE is not set
-# CONFIG_SH_7300_SOLUTION_ENGINE is not set
-# CONFIG_SH_7343_SOLUTION_ENGINE is not set
-# CONFIG_SH_73180_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SYSTEMH is not set
-# CONFIG_SH_HP6XX is not set
-# CONFIG_SH_EC3104 is not set
-# CONFIG_SH_SATURN is not set
-# CONFIG_SH_DREAMCAST is not set
-# CONFIG_SH_BIGSUR is not set
-# CONFIG_SH_MPC1211 is not set
-# CONFIG_SH_SH03 is not set
-# CONFIG_SH_SECUREEDGE5410 is not set
-# CONFIG_SH_HS7751RVOIP is not set
-# CONFIG_SH_7710VOIPGW is not set
-# CONFIG_SH_RTS7751R2D is not set
-# CONFIG_SH_R7780RP is not set
-# CONFIG_SH_EDOSK7705 is not set
-# CONFIG_SH_SH4202_MICRODEV is not set
-# CONFIG_SH_LANDISK is not set
-# CONFIG_SH_TITAN is not set
-# CONFIG_SH_SHMIN is not set
-# CONFIG_SH_7206_SOLUTION_ENGINE is not set
-# CONFIG_SH_7619_SOLUTION_ENGINE is not set
-# CONFIG_SH_UNKNOWN is not set
-
-#
-# Processor selection
-#
 CONFIG_CPU_SH4=y
-
-#
-# SH-2 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7604 is not set
 # CONFIG_CPU_SUBTYPE_SH7619 is not set
-
-#
-# SH-2A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
-
-#
-# SH-3 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
 # CONFIG_CPU_SUBTYPE_SH7708 is not set
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
-
-#
-# SH-4 Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 CONFIG_CPU_SUBTYPE_SH7750=y
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -164,58 +144,61 @@ CONFIG_CPU_SUBTYPE_SH7750=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-
-#
-# ST40 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
-
-#
-# SH-4A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
 # CONFIG_CPU_SUBTYPE_SH7785 is not set
-
-#
-# SH4AL-DSP Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
 # CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
 #
+CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x0c000000
 CONFIG_MEMORY_SIZE=0x02000000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
-# CONFIG_SH_OCRAM is not set
-CONFIG_CF_ENABLER=y
-# CONFIG_CF_AREA5 is not set
-CONFIG_CF_AREA6=y
-CONFIG_CF_BASE_ADDR=0xb8000000
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
@@ -223,19 +206,28 @@ CONFIG_CF_BASE_ADDR=0xb8000000
 CONFIG_CPU_LITTLE_ENDIAN=y
 # CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_STORE_QUEUES is not set
 CONFIG_CPU_HAS_INTEVT=y
-CONFIG_CPU_HAS_INTC_IRQ=y
+CONFIG_CPU_HAS_IPR_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
 CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
 
 #
-# Timer support
+# Board support
+#
+CONFIG_SOLUTION_ENGINE=y
+CONFIG_SH_SOLUTION_ENGINE=y
+
+#
+# Timer and clock configuration
 #
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=33333333
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -250,12 +242,11 @@ CONFIG_SH_PCLK_FREQ=33333333
 #
 # Companion Chips
 #
-# CONFIG_HD6446X_SERIES is not set
-CONFIG_HEARTBEAT=y
 
 #
 # Additional SuperH Device Drivers
 #
+CONFIG_HEARTBEAT=y
 # CONFIG_PUSH_SWITCH is not set
 
 #
@@ -266,11 +257,15 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
-# CONFIG_SMP is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
@@ -283,43 +278,32 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000
 #
 # Bus options
 #
-# CONFIG_PCI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-
-#
-# PCI Hotplug Support
-#
+CONFIG_CF_ENABLER=y
+# CONFIG_CF_AREA5 is not set
+CONFIG_CF_AREA6=y
+CONFIG_CF_BASE_ADDR=0xb8000000
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_FLAT is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Power management options (EXPERIMENTAL)
-#
-# CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
-# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
@@ -342,6 +326,7 @@ CONFIG_IP_PNP_BOOTP=y
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -349,27 +334,14 @@ CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -379,10 +351,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
@@ -390,9 +358,19 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -404,32 +382,27 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
 # CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
 #
 CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
 CONFIG_MTD_BLOCK=y
 # CONFIG_FTL is not set
 # CONFIG_NFTL is not set
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -455,7 +428,6 @@ CONFIG_MTD_CFI_UTIL=y
 # CONFIG_MTD_RAM is not set
 CONFIG_MTD_ROM=y
 # CONFIG_MTD_ABSENT is not set
-# CONFIG_MTD_OBSOLETE_CHIPS is not set
 
 #
 # Mapping drivers for chip access
@@ -478,75 +450,53 @@ CONFIG_MTD_ROM=y
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
 # CONFIG_MTD_NAND is not set
-
-#
-# OneNAND Flash Device Drivers
-#
 # CONFIG_MTD_ONENAND is not set
 
 #
-# Parallel port support
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_RAM is not set
-# CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# Misc devices
-#
-# CONFIG_TIFM_CORE is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
-CONFIG_IDE_MAX_HWIFS=4
-CONFIG_BLK_DEV_IDE=y
 
 #
-# Please see Documentation/ide.txt for help/info on IDE drives
+# Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 # CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=y
-# CONFIG_IDEDISK_MULTI_MODE is not set
+CONFIG_IDE_GD=y
+CONFIG_IDE_GD_ATA=y
+# CONFIG_IDE_GD_ATAPI is not set
 # CONFIG_BLK_DEV_IDECD is not set
 # CONFIG_BLK_DEV_IDETAPE is not set
-# CONFIG_BLK_DEV_IDEFLOPPY is not set
 # CONFIG_BLK_DEV_IDESCSI is not set
 # CONFIG_IDE_TASK_IOCTL is not set
+CONFIG_IDE_PROC_FS=y
 
 #
 # IDE chipset support/bugfixes
 #
-# CONFIG_IDE_GENERIC is not set
-# CONFIG_IDE_ARM is not set
+# CONFIG_BLK_DEV_PLATFORM is not set
 # CONFIG_BLK_DEV_IDEDMA is not set
-# CONFIG_IDEDMA_AUTO is not set
-# CONFIG_BLK_DEV_HD is not set
 
 #
 # SCSI device support
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
 # CONFIG_SCSI_TGT is not set
 # CONFIG_SCSI_NETLINK is not set
 CONFIG_SCSI_PROC_FS=y
@@ -568,6 +518,7 @@ CONFIG_SCSI_PROC_FS=y
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
 # CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
 
 #
 # SCSI Transports
@@ -575,96 +526,52 @@ CONFIG_SCSI_PROC_FS=y
 # CONFIG_SCSI_SPI_ATTRS is not set
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
 # CONFIG_SCSI_DEBUG is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
+# CONFIG_SCSI_DH is not set
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-
-#
-# PHY device support
-#
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 # CONFIG_MII is not set
+# CONFIG_AX88796 is not set
 CONFIG_STNIC=y
 # CONFIG_SMC91X is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
-#
-
-#
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
-#
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -682,6 +589,7 @@ CONFIG_STNIC=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -704,15 +612,30 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
+CONFIG_HW_RANDOM=y
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -722,148 +645,92 @@ CONFIG_WATCHDOG=y
 # CONFIG_SOFT_WATCHDOG is not set
 CONFIG_SH_WDT=y
 # CONFIG_SH_WDT_MMAP is not set
-CONFIG_HW_RANDOM=y
-# CONFIG_GEN_RTC is not set
-# CONFIG_DTLK is not set
-# CONFIG_R3964 is not set
-# CONFIG_RAW_DRIVER is not set
 
 #
-# TPM devices
+# Sonics Silicon Backplane
 #
-# CONFIG_TCG_TPM is not set
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
-# I2C support
+# Multifunction device drivers
 #
-# CONFIG_I2C is not set
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
-# SPI support
-#
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
-
-#
-# Dallas's 1-wire bus
-#
-# CONFIG_W1 is not set
-
-#
-# Hardware Monitoring support
+# Multimedia devices
 #
-CONFIG_HWMON=y
-# CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
-# CONFIG_SENSORS_F71805F is not set
-# CONFIG_SENSORS_PC87427 is not set
-# CONFIG_SENSORS_VT1211 is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
 
 #
-# Multimedia devices
+# Multimedia core support
 #
 # CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Digital Video Broadcasting Devices
+# Multimedia drivers
 #
-# CONFIG_DVB is not set
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
-CONFIG_FIRMWARE_EDID=y
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
-
-#
-# USB support
-#
-# CONFIG_USB_ARCH_HAS_HCD is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
-
-#
-# Virtualization
-#
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -887,12 +754,12 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -908,31 +775,33 @@ CONFIG_RAMFS=y
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
 CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
 # CONFIG_JFFS2_SUMMARY is not set
 # CONFIG_JFFS2_FS_XATTR is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 # CONFIG_NFS_V3 is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-# CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -940,7 +809,6 @@ CONFIG_SUNRPC=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
@@ -958,49 +826,126 @@ CONFIG_PARTITION_ADVANCED=y
 # CONFIG_SUN_PARTITION is not set
 # CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
+# CONFIG_SYSV68_PARTITION is not set
 # CONFIG_NLS is not set
-
-#
-# Distributed Lock Manager
-#
 # CONFIG_DLM is not set
 
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
 #
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 # CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
-# CONFIG_KGDB is not set
+# CONFIG_SH_KGDB is not set
 
 #
 # Security options
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Cryptographic options
+# Random Number Generation
 #
-# CONFIG_CRYPTO is not set
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
@@ -1008,9 +953,14 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_PLIST=y
-CONFIG_IOMAP_COPY=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/sh/configs/se7751_defconfig b/arch/sh/configs/se7751_defconfig
index a9095593f8f..d99a6bdf410 100644
--- a/arch/sh/configs/se7751_defconfig
+++ b/arch/sh/configs/se7751_defconfig
@@ -1,40 +1,54 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18
-# Tue Oct  3 12:10:12 2006
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:21:12 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
+CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
@@ -47,33 +61,47 @@ CONFIG_KALLSYMS=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 # CONFIG_MODULE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
-
-#
-# Block layer
-#
+CONFIG_KMOD=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -87,60 +115,27 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
-CONFIG_SOLUTION_ENGINE=y
-# CONFIG_SH_SOLUTION_ENGINE is not set
-CONFIG_SH_7751_SOLUTION_ENGINE=y
-# CONFIG_SH_7300_SOLUTION_ENGINE is not set
-# CONFIG_SH_7343_SOLUTION_ENGINE is not set
-# CONFIG_SH_73180_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SYSTEMH is not set
-# CONFIG_SH_HP6XX is not set
-# CONFIG_SH_EC3104 is not set
-# CONFIG_SH_SATURN is not set
-# CONFIG_SH_DREAMCAST is not set
-# CONFIG_SH_BIGSUR is not set
-# CONFIG_SH_MPC1211 is not set
-# CONFIG_SH_SH03 is not set
-# CONFIG_SH_SECUREEDGE5410 is not set
-# CONFIG_SH_HS7751RVOIP is not set
-# CONFIG_SH_7710VOIPGW is not set
-# CONFIG_SH_RTS7751R2D is not set
-# CONFIG_SH_R7780RP is not set
-# CONFIG_SH_EDOSK7705 is not set
-# CONFIG_SH_SH4202_MICRODEV is not set
-# CONFIG_SH_LANDISK is not set
-# CONFIG_SH_TITAN is not set
-# CONFIG_SH_SHMIN is not set
-# CONFIG_SH_UNKNOWN is not set
-
-#
-# Processor selection
-#
 CONFIG_CPU_SH4=y
-
-#
-# SH-2 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7604 is not set
-
-#
-# SH-3 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
 # CONFIG_CPU_SUBTYPE_SH7708 is not set
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
-
-#
-# SH-4 Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -149,65 +144,91 @@ CONFIG_CPU_SUBTYPE_SH7751=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-
-#
-# ST40 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
-
-#
-# SH-4A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
-
-#
-# SH4AL-DSP Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
 #
+CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x0c000000
 CONFIG_MEMORY_SIZE=0x04000000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
-# CONFIG_SH_OCRAM is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
 #
 CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_STORE_QUEUES is not set
 CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_IPR_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
 
 #
-# Timer support
+# Board support
+#
+CONFIG_SOLUTION_ENGINE=y
+CONFIG_SH_7751_SOLUTION_ENGINE=y
+# CONFIG_SH_SH03 is not set
+
+#
+# Timer and clock configuration
 #
 CONFIG_SH_TMU=y
+CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=60000000
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -222,21 +243,30 @@ CONFIG_SH_PCLK_FREQ=60000000
 #
 # Companion Chips
 #
-# CONFIG_HD6446X_SERIES is not set
+
+#
+# Additional SuperH Device Drivers
+#
 CONFIG_HEARTBEAT=y
+# CONFIG_PUSH_SWITCH is not set
 
 #
 # Kernel features
 #
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
-# CONFIG_SMP is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
@@ -250,43 +280,29 @@ CONFIG_CMDLINE="console=ttySC1,38400"
 #
 # Bus options
 #
-# CONFIG_PCI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-
-#
-# PCI Hotplug Support
-#
+# CONFIG_CF_ENABLER is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_FLAT is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Power management options (EXPERIMENTAL)
-#
-# CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
-# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
@@ -308,52 +324,42 @@ CONFIG_IP_PNP_RARP=y
 # CONFIG_INET_TUNNEL is not set
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
-
-#
-# IP: Virtual Server Configuration
-#
-# CONFIG_IP_VS is not set
+# CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
 CONFIG_NETFILTER_DEBUG=y
+CONFIG_NETFILTER_ADVANCED=y
 
 #
 # Core Netfilter Configuration
 #
-# CONFIG_NETFILTER_NETLINK is not set
+# CONFIG_NETFILTER_NETLINK_QUEUE is not set
+# CONFIG_NETFILTER_NETLINK_LOG is not set
 # CONFIG_NF_CONNTRACK is not set
 # CONFIG_NETFILTER_XTABLES is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
-# CONFIG_IP_NF_CONNTRACK is not set
+# CONFIG_NF_DEFRAG_IPV4 is not set
 CONFIG_IP_NF_QUEUE=y
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
+# CONFIG_IP_NF_IPTABLES is not set
+# CONFIG_IP_NF_ARPTABLES is not set
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -363,10 +369,6 @@ CONFIG_IP_NF_QUEUE=y
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
@@ -374,9 +376,19 @@ CONFIG_IP_NF_QUEUE=y
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -388,32 +400,27 @@ CONFIG_IP_NF_QUEUE=y
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
 # CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
 #
 # CONFIG_MTD_CHAR is not set
+CONFIG_MTD_BLKDEVS=y
 CONFIG_MTD_BLOCK=y
 # CONFIG_FTL is not set
 # CONFIG_NFTL is not set
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -439,7 +446,6 @@ CONFIG_MTD_CFI_UTIL=y
 CONFIG_MTD_RAM=y
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_ABSENT is not set
-# CONFIG_MTD_OBSOLETE_CHIPS is not set
 
 #
 # Mapping drivers for chip access
@@ -462,43 +468,29 @@ CONFIG_MTD_RAM=y
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
 # CONFIG_MTD_NAND is not set
-
-#
-# OneNAND Flash Device Drivers
-#
 # CONFIG_MTD_ONENAND is not set
 
 #
-# Parallel port support
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
-CONFIG_BLK_DEV_INITRD=y
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -506,89 +498,48 @@ CONFIG_BLK_DEV_INITRD=y
 #
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-
-#
-# PHY device support
-#
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
 # CONFIG_SMC91X is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
-#
-
-#
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
-#
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -606,6 +557,7 @@ CONFIG_MII=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -620,150 +572,107 @@ CONFIG_MII=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-CONFIG_WATCHDOG=y
-# CONFIG_WATCHDOG_NOWAYOUT is not set
-
-#
-# Watchdog Device Drivers
-#
-# CONFIG_SOFT_WATCHDOG is not set
-# CONFIG_SH_WDT is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_GEN_RTC is not set
-# CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
-
-#
-# Ftape, the floppy tape device driver
-#
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
-# CONFIG_TELCLOCK is not set
-
-#
-# I2C support
-#
 # CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
 
 #
-# SPI support
+# Watchdog Device Drivers
 #
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
+# CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_SH_WDT is not set
 
 #
-# Dallas's 1-wire bus
+# Sonics Silicon Backplane
 #
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
-# Hardware Monitoring support
+# Multifunction device drivers
 #
-CONFIG_HWMON=y
-# CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
-# CONFIG_SENSORS_F71805F is not set
-# CONFIG_SENSORS_VT1211 is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
-# Misc devices
+# Multimedia devices
 #
 
 #
-# Multimedia devices
+# Multimedia core support
 #
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Digital Video Broadcasting Devices
+# Multimedia drivers
 #
-# CONFIG_DVB is not set
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
-CONFIG_FIRMWARE_EDID=y
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
-
-#
-# USB support
-#
-# CONFIG_USB_ARCH_HAS_HCD is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -772,17 +681,17 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -806,12 +715,12 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -824,26 +733,27 @@ CONFIG_RAMFS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
-# CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
 CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
 # CONFIG_JFFS2_SUMMARY is not set
 # CONFIG_JFFS2_FS_XATTR is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
@@ -851,57 +761,146 @@ CONFIG_JFFS2_RTIME=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
 # CONFIG_NLS is not set
-
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
+# CONFIG_DLM is not set
 
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_BUGVERBOSE is not set
-# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
-# CONFIG_KGDB is not set
+# CONFIG_SH_KGDB is not set
 
 #
 # Security options
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Cryptographic options
+# Random Number Generation
 #
-# CONFIG_CRYPTO is not set
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
+CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/sh/configs/se7780_defconfig b/arch/sh/configs/se7780_defconfig
index 30f5ee40c31..ad95b80bb19 100644
--- a/arch/sh/configs/se7780_defconfig
+++ b/arch/sh/configs/se7780_defconfig
@@ -1,26 +1,28 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.25-rc3
-# Thu Feb 28 10:18:04 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:27:30 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -41,11 +43,8 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_CGROUPS is not set
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 # CONFIG_BLK_DEV_INITRD is not set
@@ -68,20 +67,27 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
@@ -90,6 +96,7 @@ CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -104,7 +111,7 @@ CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="deadline"
 CONFIG_CLASSIC_RCU=y
-# CONFIG_PREEMPT_RCU is not set
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -115,6 +122,7 @@ CONFIG_CPU_SH4A=y
 # CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
 # CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -132,6 +140,7 @@ CONFIG_CPU_SH4A=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
 # CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 CONFIG_CPU_SUBTYPE_SH7780=y
@@ -152,7 +161,6 @@ CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x08000000
 CONFIG_MEMORY_SIZE=0x08000000
 CONFIG_29BIT=y
-# CONFIG_PMB is not set
 CONFIG_VSYSCALL=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
@@ -161,9 +169,12 @@ CONFIG_MAX_ACTIVE_REGIONS=1
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 # CONFIG_FLATMEM_MANUAL is not set
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -171,11 +182,14 @@ CONFIG_SPARSEMEM_MANUAL=y
 CONFIG_SPARSEMEM=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -210,7 +224,6 @@ CONFIG_SH_7780_SOLUTION_ENGINE=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=28
 CONFIG_SH_PCLK_FREQ=33333333
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -244,10 +257,10 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
-CONFIG_RCU_TRACE=y
 CONFIG_GUSA=y
 
 #
@@ -273,11 +286,9 @@ CONFIG_PCI_LEGACY=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -347,11 +358,10 @@ CONFIG_IPV6=y
 # CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -374,6 +384,7 @@ CONFIG_MTD=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
@@ -461,11 +472,13 @@ CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_RAM is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_PHANTOM is not set
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -537,9 +550,13 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
 # CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
 # CONFIG_SATA_AHCI is not set
+# CONFIG_SATA_SIL24 is not set
+CONFIG_ATA_SFF=y
 # CONFIG_SATA_SVW is not set
 # CONFIG_ATA_PIIX is not set
 # CONFIG_SATA_NV is not set
@@ -547,11 +564,11 @@ CONFIG_ATA=y
 # CONFIG_SATA_QSTOR is not set
 # CONFIG_SATA_PROMISE is not set
 CONFIG_SATA_SIL=y
-# CONFIG_SATA_SIL24 is not set
 # CONFIG_SATA_SIS is not set
 # CONFIG_SATA_ULI is not set
 # CONFIG_SATA_VIA is not set
 # CONFIG_SATA_VITESSE is not set
+# CONFIG_SATA_INIC162X is not set
 # CONFIG_PATA_AMD is not set
 # CONFIG_PATA_ARTOP is not set
 # CONFIG_PATA_ATIIXP is not set
@@ -575,6 +592,7 @@ CONFIG_SATA_SIL=y
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
 # CONFIG_PATA_PLATFORM is not set
+# CONFIG_PATA_SCH is not set
 # CONFIG_MD is not set
 # CONFIG_FUSION is not set
 
@@ -583,12 +601,11 @@ CONFIG_SATA_SIL=y
 #
 
 #
-# An alternative FireWire stack is available with EXPERIMENTAL=y
+# A new alternative FireWire stack is available with EXPERIMENTAL=y
 #
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
@@ -621,12 +638,16 @@ CONFIG_MII=y
 # CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
 CONFIG_SMC91X=y
+# CONFIG_SMC911X is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
@@ -645,6 +666,7 @@ CONFIG_NET_PCI=y
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
+# CONFIG_ATL2 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
@@ -654,6 +676,7 @@ CONFIG_NET_PCI=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 
 #
 # USB Network Adapters
@@ -675,7 +698,7 @@ CONFIG_NET_PCI=y
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -709,9 +732,11 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -737,12 +762,7 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_RAW_DRIVER is not set
 CONFIG_DEVPORT=y
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
@@ -757,6 +777,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
 CONFIG_THERMAL=y
+# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
 
 #
@@ -768,13 +789,26 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
 # CONFIG_DAB is not set
 
 #
@@ -786,15 +820,16 @@ CONFIG_SSB_POSSIBLE=y
 CONFIG_FB=y
 CONFIG_FIRMWARE_EDID=y
 # CONFIG_FB_DDC is not set
-# CONFIG_FB_CFB_FILLRECT is not set
-# CONFIG_FB_CFB_COPYAREA is not set
-# CONFIG_FB_CFB_IMAGEBLIT is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=m
+CONFIG_FB_CFB_COPYAREA=m
+CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
 # CONFIG_FB_SYS_FILLRECT is not set
 # CONFIG_FB_SYS_COPYAREA is not set
 # CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
 # CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
 # CONFIG_FB_BACKLIGHT is not set
@@ -818,6 +853,7 @@ CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_ATY is not set
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -825,7 +861,10 @@ CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_VT8623 is not set
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_ARK is not set
+# CONFIG_FB_CARMINE is not set
+CONFIG_FB_SH_MOBILE_LCDC=m
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -850,24 +889,10 @@ CONFIG_LOGO_LINUX_CLUT224=y
 # CONFIG_LOGO_SUPERH_MONO is not set
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 CONFIG_LOGO_SUPERH_CLUT224=y
-
-#
-# Sound
-#
 CONFIG_SOUND=y
-
-#
-# Advanced Linux Sound Architecture
-#
+CONFIG_SOUND_OSS_CORE=y
 # CONFIG_SND is not set
-
-#
-# Open Sound System
-#
 CONFIG_SOUND_PRIME=y
-# CONFIG_SOUND_TRIDENT is not set
-# CONFIG_SOUND_MSNDCLAS is not set
-# CONFIG_SOUND_MSNDPIN is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
@@ -877,8 +902,36 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_BRIGHT=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DELL=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -892,11 +945,17 @@ CONFIG_USB=y
 #
 CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DEVICE_CLASS is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
 CONFIG_USB_EHCI_HCD=y
+# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
 # CONFIG_USB_ISP116X_HCD is not set
 CONFIG_USB_OHCI_HCD=y
 # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
@@ -911,6 +970,8 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 #
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -921,17 +982,25 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
 # CONFIG_USB_STORAGE_ISD200 is not set
 # CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
 # USB Imaging devices
 #
+# CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -943,6 +1012,10 @@ CONFIG_USB_MON=y
 #
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
 # CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
@@ -956,17 +1029,19 @@ CONFIG_USB_MON=y
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# Userspace I/O
-#
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -975,9 +1050,11 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
@@ -1010,6 +1087,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1025,6 +1103,7 @@ CONFIG_TMPFS=y
 CONFIG_CRAMFS=y
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -1034,9 +1113,8 @@ CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
-# CONFIG_NFS_DIRECTIO is not set
-# CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
@@ -1099,12 +1177,20 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1115,45 +1201,86 @@ CONFIG_DEBUG_FS=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
-# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
-# CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_PCBC is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 # CONFIG_CRYPTO_SHA1 is not set
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
 # CONFIG_CRYPTO_TGR192 is not set
-# CONFIG_CRYPTO_ECB is not set
-# CONFIG_CRYPTO_CBC is not set
-# CONFIG_CRYPTO_PCBC is not set
-# CONFIG_CRYPTO_CTR is not set
-# CONFIG_CRYPTO_GCM is not set
-# CONFIG_CRYPTO_CCM is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-# CONFIG_CRYPTO_DES is not set
-# CONFIG_CRYPTO_FCRYPT is not set
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
 # CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_CAST5 is not set
 # CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
 # CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
 # CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
 # CONFIG_CRYPTO_DEFLATE is not set
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_CAMELLIA is not set
-# CONFIG_CRYPTO_TEST is not set
-# CONFIG_CRYPTO_AUTHENC is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
@@ -1163,6 +1290,7 @@ CONFIG_CRYPTO_HW=y
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/sh03_defconfig b/arch/sh/configs/sh03_defconfig
index 9fd5ea7304e..95f0f5d5b63 100644
--- a/arch/sh/configs/sh03_defconfig
+++ b/arch/sh/configs/sh03_defconfig
@@ -1,41 +1,56 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18
-# Tue Oct  3 12:13:26 2006
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:31:54 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_SYS_SUPPORTS_PCI=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
+CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
@@ -48,34 +63,49 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=m
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_MODVERSIONS=y
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -89,59 +119,27 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
-# CONFIG_SH_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SOLUTION_ENGINE is not set
-# CONFIG_SH_7300_SOLUTION_ENGINE is not set
-# CONFIG_SH_7343_SOLUTION_ENGINE is not set
-# CONFIG_SH_73180_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SYSTEMH is not set
-# CONFIG_SH_HP6XX is not set
-# CONFIG_SH_EC3104 is not set
-# CONFIG_SH_SATURN is not set
-# CONFIG_SH_DREAMCAST is not set
-# CONFIG_SH_BIGSUR is not set
-# CONFIG_SH_MPC1211 is not set
-CONFIG_SH_SH03=y
-# CONFIG_SH_SECUREEDGE5410 is not set
-# CONFIG_SH_HS7751RVOIP is not set
-# CONFIG_SH_7710VOIPGW is not set
-# CONFIG_SH_RTS7751R2D is not set
-# CONFIG_SH_R7780RP is not set
-# CONFIG_SH_EDOSK7705 is not set
-# CONFIG_SH_SH4202_MICRODEV is not set
-# CONFIG_SH_LANDISK is not set
-# CONFIG_SH_TITAN is not set
-# CONFIG_SH_SHMIN is not set
-# CONFIG_SH_UNKNOWN is not set
-
-#
-# Processor selection
-#
 CONFIG_CPU_SH4=y
-
-#
-# SH-2 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7604 is not set
-
-#
-# SH-3 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
 # CONFIG_CPU_SUBTYPE_SH7708 is not set
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
-
-#
-# SH-4 Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -150,69 +148,90 @@ CONFIG_CPU_SUBTYPE_SH7751=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-
-#
-# ST40 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
-
-#
-# SH-4A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
-
-#
-# SH4AL-DSP Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
 #
+CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x08000000
 CONFIG_MEMORY_SIZE=0x08000000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
-# CONFIG_SH_OCRAM is not set
-CONFIG_CF_ENABLER=y
-CONFIG_CF_AREA5=y
-# CONFIG_CF_AREA6 is not set
-CONFIG_CF_BASE_ADDR=0xb4000000
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
 #
 CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_STORE_QUEUES is not set
 CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_IPR_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
 
 #
-# Timer support
+# Board support
+#
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+CONFIG_SH_SH03=y
+
+#
+# Timer and clock configuration
 #
 CONFIG_SH_TMU=y
+CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=60000000
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -227,22 +246,31 @@ CONFIG_SH_PCLK_FREQ=60000000
 #
 # Companion Chips
 #
-# CONFIG_HD6446X_SERIES is not set
+
+#
+# Additional SuperH Device Drivers
+#
 CONFIG_HEARTBEAT=y
+# CONFIG_PUSH_SWITCH is not set
 
 #
 # Kernel features
 #
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
-# CONFIG_SMP is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-CONFIG_PREEMPT_BKL=y
+# CONFIG_PREEMPT_RCU is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
@@ -256,20 +284,17 @@ CONFIG_CMDLINE="console=ttySC1,115200 mem=64M root=/dev/nfs"
 #
 # Bus options
 #
+CONFIG_CF_ENABLER=y
+CONFIG_CF_AREA5=y
+# CONFIG_CF_AREA6 is not set
+CONFIG_CF_BASE_ADDR=0xb4000000
 CONFIG_PCI=y
 CONFIG_SH_PCIDMA_NONCOHERENT=y
 CONFIG_PCI_AUTO=y
 CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
-# CONFIG_PCI_MULTITHREAD_PROBE is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_PCI_LEGACY=y
 # CONFIG_PCCARD is not set
-
-#
-# PCI Hotplug Support
-#
 CONFIG_HOTPLUG_PCI=m
 # CONFIG_HOTPLUG_PCI_FAKE is not set
 # CONFIG_HOTPLUG_PCI_CPCI is not set
@@ -279,30 +304,24 @@ CONFIG_HOTPLUG_PCI=m
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_FLAT is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 CONFIG_BINFMT_MISC=y
-
-#
-# Power management options (EXPERIMENTAL)
-#
-# CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
-# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
 # CONFIG_IP_ADVANCED_ROUTER is not set
@@ -323,33 +342,23 @@ CONFIG_IP_PNP_RARP=y
 # CONFIG_INET_TUNNEL is not set
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -359,10 +368,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
@@ -370,9 +375,19 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -381,34 +396,15 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # Generic Driver Options
 #
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_STANDALONE is not set
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
 # CONFIG_FW_LOADER is not set
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
 # CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
 # CONFIG_MTD is not set
-
-#
-# Parallel port support
-#
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
-# CONFIG_BLK_CPQ_DA is not set
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_CPQ_CISS_DA is not set
 # CONFIG_BLK_DEV_DAC960 is not set
 # CONFIG_BLK_DEV_UMEM is not set
@@ -420,45 +416,76 @@ CONFIG_BLK_DEV_NBD=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
-CONFIG_BLK_DEV_INITRD=y
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_PHANTOM is not set
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_SGI_IOC4 is not set
+# CONFIG_TIFM_CORE is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
+CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
-CONFIG_IDE_MAX_HWIFS=4
-CONFIG_BLK_DEV_IDE=y
 
 #
-# Please see Documentation/ide.txt for help/info on IDE drives
+# Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
+CONFIG_IDE_ATAPI=y
 # CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=y
-CONFIG_IDEDISK_MULTI_MODE=y
+CONFIG_IDE_GD=y
+CONFIG_IDE_GD_ATA=y
+# CONFIG_IDE_GD_ATAPI is not set
 CONFIG_BLK_DEV_IDECD=m
+CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
 CONFIG_BLK_DEV_IDETAPE=m
-CONFIG_BLK_DEV_IDEFLOPPY=m
 # CONFIG_BLK_DEV_IDESCSI is not set
 # CONFIG_IDE_TASK_IOCTL is not set
+CONFIG_IDE_PROC_FS=y
 
 #
 # IDE chipset support/bugfixes
 #
-CONFIG_IDE_GENERIC=y
-# CONFIG_BLK_DEV_IDEPCI is not set
-# CONFIG_IDE_ARM is not set
+# CONFIG_BLK_DEV_PLATFORM is not set
+
+#
+# PCI IDE chipsets support
+#
+# CONFIG_BLK_DEV_GENERIC is not set
+# CONFIG_BLK_DEV_OPTI621 is not set
+# CONFIG_BLK_DEV_AEC62XX is not set
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+# CONFIG_BLK_DEV_CMD64X is not set
+# CONFIG_BLK_DEV_TRIFLEX is not set
+# CONFIG_BLK_DEV_CS5520 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_JMICRON is not set
+# CONFIG_BLK_DEV_SC1200 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_IT8213 is not set
+# CONFIG_BLK_DEV_IT821X is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_PDC202XX_OLD is not set
+# CONFIG_BLK_DEV_PDC202XX_NEW is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+# CONFIG_BLK_DEV_SIIMAGE is not set
+# CONFIG_BLK_DEV_SLC90E66 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+# CONFIG_BLK_DEV_VIA82CXXX is not set
+# CONFIG_BLK_DEV_TC86C001 is not set
 # CONFIG_BLK_DEV_IDEDMA is not set
-# CONFIG_IDEDMA_AUTO is not set
-# CONFIG_BLK_DEV_HD is not set
 
 #
 # SCSI device support
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=m
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
 # CONFIG_SCSI_NETLINK is not set
 CONFIG_SCSI_PROC_FS=y
 
@@ -479,6 +506,8 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_MULTI_LUN is not set
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
 
 #
 # SCSI Transports
@@ -486,12 +515,9 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_SPI_ATTRS is not set
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
 # CONFIG_SCSI_3W_9XXX is not set
@@ -501,7 +527,6 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
 # CONFIG_SCSI_AIC94XX is not set
-# CONFIG_SCSI_DPT_I2O is not set
 # CONFIG_SCSI_ARCMSR is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
@@ -512,88 +537,67 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
 # CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
-# CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 # CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_QLA_ISCSI is not set
 # CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
+# CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_DH is not set
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
 # CONFIG_FUSION is not set
-# CONFIG_FUSION_SPI is not set
-# CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
 
 #
 # IEEE 1394 (FireWire) support
 #
-# CONFIG_IEEE1394 is not set
 
 #
-# I2O device support
+# Enable only one of the two stacks, unless you know what you are doing
 #
+# CONFIG_FIREWIRE is not set
+# CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-
-#
-# ARCnet devices
-#
+# CONFIG_VETH is not set
 # CONFIG_ARCNET is not set
-
-#
-# PHY device support
-#
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
 # CONFIG_HAPPYMEAL is not set
 # CONFIG_SUNGEM is not set
 # CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
 # CONFIG_SMC91X is not set
-
-#
-# Tulip family network device support
-#
+# CONFIG_SMC911X is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
 # CONFIG_B44 is not set
 # CONFIG_FORCEDETH is not set
-# CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 # CONFIG_E100 is not set
 # CONFIG_FEALNX is not set
@@ -601,18 +605,21 @@ CONFIG_NET_PCI=y
 # CONFIG_NE2K_PCI is not set
 CONFIG_8139CP=y
 # CONFIG_8139TOO is not set
+# CONFIG_R6040 is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
-
-#
-# Ethernet (1000 Mbit)
-#
+# CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
+CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 # CONFIG_E1000 is not set
+# CONFIG_E1000E is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
@@ -620,52 +627,46 @@ CONFIG_8139CP=y
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 # CONFIG_SKY2 is not set
-# CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
 # CONFIG_BNX2 is not set
 # CONFIG_QLA3XXX is not set
-
-#
-# Ethernet (10000 Mbit)
-#
+# CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
+# CONFIG_JME is not set
+CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
+# CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
+# CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
 # CONFIG_MYRI10GE is not set
-
-#
-# Token Ring devices
-#
+# CONFIG_NETXEN_NIC is not set
+# CONFIG_NIU is not set
+# CONFIG_MLX4_CORE is not set
+# CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
+# CONFIG_SFC is not set
 # CONFIG_TR is not set
 
 #
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
+# Wireless LAN
 #
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
 # CONFIG_NET_FC is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -673,6 +674,7 @@ CONFIG_8139CP=y
 #
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
 
 #
 # Userland interfaces
@@ -682,7 +684,6 @@ CONFIG_INPUT_MOUSEDEV=y
 CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 # CONFIG_INPUT_EVDEV is not set
 # CONFIG_INPUT_EVBUG is not set
 
@@ -692,6 +693,7 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
 # CONFIG_INPUT_MISC is not set
 
@@ -705,10 +707,13 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
 
 #
 # Serial drivers
@@ -731,15 +736,36 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
+CONFIG_HW_RANDOM=y
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_DEVPORT=y
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_I5K_AMB is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SIS5595 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VIA686A is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_VT8231 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -747,6 +773,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ALIM7101_WDT is not set
 CONFIG_SH_WDT=m
 # CONFIG_SH_WDT_MMAP is not set
 
@@ -755,142 +782,92 @@ CONFIG_SH_WDT=m
 #
 # CONFIG_PCIPCWATCHDOG is not set
 # CONFIG_WDTPCI is not set
-CONFIG_HW_RANDOM=y
-# CONFIG_GEN_RTC is not set
-# CONFIG_DTLK is not set
-# CONFIG_R3964 is not set
-# CONFIG_APPLICOM is not set
-
-#
-# Ftape, the floppy tape device driver
-#
-# CONFIG_DRM is not set
-# CONFIG_RAW_DRIVER is not set
 
 #
-# TPM devices
+# Sonics Silicon Backplane
 #
-# CONFIG_TCG_TPM is not set
-# CONFIG_TELCLOCK is not set
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
-# I2C support
-#
-# CONFIG_I2C is not set
-
+# Multifunction device drivers
 #
-# SPI support
-#
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
-
-#
-# Dallas's 1-wire bus
-#
-
-#
-# Hardware Monitoring support
-#
-CONFIG_HWMON=y
-# CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
-# CONFIG_SENSORS_F71805F is not set
-# CONFIG_SENSORS_VT1211 is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
-# Misc devices
+# Multimedia devices
 #
 
 #
-# Multimedia devices
+# Multimedia core support
 #
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Digital Video Broadcasting Devices
+# Multimedia drivers
 #
-# CONFIG_DVB is not set
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
-CONFIG_FIRMWARE_EDID=y
+# CONFIG_DRM is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Console display driver support
+# Display device support
 #
-CONFIG_DUMMY_CONSOLE=y
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+# CONFIG_DISPLAY_SUPPORT is not set
 
 #
-# Sound
+# Console display driver support
 #
+CONFIG_DUMMY_CONSOLE=y
 # CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
 
 #
-# USB support
+# Special HID drivers
 #
+CONFIG_HID_COMPAT=y
+CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
 # CONFIG_RTC_CLASS is not set
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -904,20 +881,19 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 # CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
-# CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 CONFIG_AUTOFS_FS=y
 CONFIG_AUTOFS4_FS=y
 # CONFIG_FUSE_FS is not set
@@ -928,7 +904,6 @@ CONFIG_AUTOFS4_FS=y
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
 CONFIG_ZISOFS=y
-CONFIG_ZISOFS_FS=m
 CONFIG_UDF_FS=m
 CONFIG_UDF_NLS=y
 
@@ -948,12 +923,12 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -968,31 +943,30 @@ CONFIG_RAMFS=y
 # CONFIG_EFS_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 CONFIG_NFS_V4=y
-# CONFIG_NFS_DIRECTIO is not set
+CONFIG_ROOT_NFS=y
 CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
 # CONFIG_NFSD_V3_ACL is not set
 # CONFIG_NFSD_V4 is not set
-CONFIG_NFSD_TCP=y
-CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1000,7 +974,6 @@ CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
@@ -1022,10 +995,7 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SUN_PARTITION is not set
 # CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
+# CONFIG_SYSV68_PARTITION is not set
 CONFIG_NLS=m
 CONFIG_NLS_DEFAULT="iso8859-1"
 CONFIG_NLS_CODEPAGE_437=m
@@ -1066,81 +1036,146 @@ CONFIG_NLS_ISO8859_15=m
 CONFIG_NLS_KOI8_R=m
 CONFIG_NLS_KOI8_U=m
 CONFIG_NLS_UTF8=m
-
-#
-# Profiling support
-#
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=m
+# CONFIG_DLM is not set
 
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_BUGVERBOSE is not set
-# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
 # CONFIG_EARLY_PRINTK is not set
-# CONFIG_KGDB is not set
+# CONFIG_SH_KGDB is not set
 
 #
 # Security options
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
 
 #
-# Cryptographic options
+# Crypto core or helper
 #
-CONFIG_CRYPTO=y
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
-CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_BLKCIPHER=y
 CONFIG_CRYPTO_HASH=y
-CONFIG_CRYPTO_MANAGER=m
-CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_MANAGER=y
+# CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
 # CONFIG_CRYPTO_TGR192 is not set
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_CBC=m
-CONFIG_CRYPTO_DES=y
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
 # CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_CAST5 is not set
 # CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-# CONFIG_CRYPTO_ARC4 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
 # CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
 CONFIG_CRYPTO_DEFLATE=y
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_TEST is not set
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Hardware crypto devices
+# Random Number Generation
 #
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
 #
 # Library routines
 #
+CONFIG_BITREVERSE=y
 CONFIG_CRC_CCITT=y
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+CONFIG_CRC_ITU_T=m
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/sh/configs/sh7710voipgw_defconfig b/arch/sh/configs/sh7710voipgw_defconfig
index 37e49a58920..9a768b28adc 100644
--- a/arch/sh/configs/sh7710voipgw_defconfig
+++ b/arch/sh/configs/sh7710voipgw_defconfig
@@ -1,25 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.25-rc4
-# Thu Mar  6 16:02:29 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:35:18 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -70,30 +72,38 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 # CONFIG_SHMEM is not set
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -108,7 +118,7 @@ CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="deadline"
 CONFIG_CLASSIC_RCU=y
-# CONFIG_PREEMPT_RCU is not set
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -118,6 +128,7 @@ CONFIG_CPU_SH3=y
 # CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
 # CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -135,6 +146,7 @@ CONFIG_CPU_SUBTYPE_SH7710=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
 # CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
@@ -164,7 +176,9 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -172,11 +186,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -209,7 +225,6 @@ CONFIG_CPU_HAS_DSP=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=32768000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -245,10 +260,10 @@ CONFIG_HZ=250
 # CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
-CONFIG_RCU_TRACE=y
 CONFIG_GUSA=y
 # CONFIG_GUSA_RB is not set
 
@@ -269,11 +284,9 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -311,10 +324,7 @@ CONFIG_INET_XFRM_MODE_BEET=y
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
-# CONFIG_IP_VS is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
@@ -327,10 +337,12 @@ CONFIG_NETFILTER_ADVANCED=y
 # CONFIG_NETFILTER_NETLINK_LOG is not set
 # CONFIG_NF_CONNTRACK is not set
 # CONFIG_NETFILTER_XTABLES is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
+# CONFIG_NF_DEFRAG_IPV4 is not set
 # CONFIG_IP_NF_QUEUE is not set
 # CONFIG_IP_NF_IPTABLES is not set
 # CONFIG_IP_NF_ARPTABLES is not set
@@ -339,6 +351,7 @@ CONFIG_NETFILTER_ADVANCED=y
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -357,7 +370,7 @@ CONFIG_NET_SCH_CBQ=y
 # CONFIG_NET_SCH_HTB is not set
 # CONFIG_NET_SCH_HFSC is not set
 # CONFIG_NET_SCH_PRIO is not set
-# CONFIG_NET_SCH_RR is not set
+# CONFIG_NET_SCH_MULTIQ is not set
 # CONFIG_NET_SCH_RED is not set
 # CONFIG_NET_SCH_SFQ is not set
 # CONFIG_NET_SCH_TEQL is not set
@@ -395,11 +408,10 @@ CONFIG_NET_SCH_FIFO=y
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -417,6 +429,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
@@ -425,6 +439,7 @@ CONFIG_MTD=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
@@ -500,6 +515,7 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_RAM is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
@@ -516,7 +532,6 @@ CONFIG_HAVE_IDE=y
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -528,14 +543,18 @@ CONFIG_NET_ETHERNET=y
 # CONFIG_MII is not set
 # CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
+# CONFIG_SH_ETH is not set
 # CONFIG_SMC91X is not set
+# CONFIG_SMC911X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 CONFIG_NETDEV_1000=y
-# CONFIG_E1000E_ENABLED is not set
 CONFIG_NETDEV_10000=y
 
 #
@@ -543,6 +562,7 @@ CONFIG_NETDEV_10000=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -587,6 +607,7 @@ CONFIG_INPUT=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -611,12 +632,7 @@ CONFIG_HW_RANDOM=y
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
@@ -632,13 +648,26 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
+
+#
+# Multimedia drivers
+#
 # CONFIG_DAB is not set
 
 #
@@ -653,20 +682,28 @@ CONFIG_SSB_POSSIBLE=y
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
-
-#
-# Sound
-#
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
+# CONFIG_HID_PID is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
 # CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+
+#
+# Enable Host or Gadget support to see Inventra options
+#
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -675,24 +712,23 @@ CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# Userspace I/O
-#
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
@@ -720,6 +756,7 @@ CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -751,6 +788,7 @@ CONFIG_JFFS2_RTIME=y
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -780,12 +818,19 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -796,51 +841,91 @@ CONFIG_DEBUG_FS=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
-# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
-# CONFIG_CRYPTO_NULL is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 # CONFIG_CRYPTO_SHA1 is not set
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
 # CONFIG_CRYPTO_TGR192 is not set
-# CONFIG_CRYPTO_GF128MUL is not set
-# CONFIG_CRYPTO_ECB is not set
-# CONFIG_CRYPTO_CBC is not set
-# CONFIG_CRYPTO_PCBC is not set
-# CONFIG_CRYPTO_LRW is not set
-# CONFIG_CRYPTO_XTS is not set
-# CONFIG_CRYPTO_CTR is not set
-# CONFIG_CRYPTO_GCM is not set
-# CONFIG_CRYPTO_CCM is not set
-# CONFIG_CRYPTO_CRYPTD is not set
-# CONFIG_CRYPTO_DES is not set
-# CONFIG_CRYPTO_FCRYPT is not set
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
 # CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_CAST5 is not set
 # CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
 # CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
-# CONFIG_CRYPTO_SEED is not set
 # CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
 # CONFIG_CRYPTO_DEFLATE is not set
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_CAMELLIA is not set
-# CONFIG_CRYPTO_TEST is not set
-# CONFIG_CRYPTO_AUTHENC is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
@@ -849,6 +934,7 @@ CONFIG_CRYPTO_HW=y
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/sh7763rdp_defconfig b/arch/sh/configs/sh7763rdp_defconfig
index baf830c4a7e..6a77f691fb8 100644
--- a/arch/sh/configs/sh7763rdp_defconfig
+++ b/arch/sh/configs/sh7763rdp_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.27-rc2
-# Fri Aug  8 13:44:20 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:37:12 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -13,11 +13,12 @@ CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
@@ -76,7 +77,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -84,15 +87,12 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 CONFIG_OPROFILE=y
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
-# CONFIG_HAVE_IOREMAP_PROT is not set
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_ARCH_TRACEHOOK is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-# CONFIG_USE_GENERIC_SMP_HELPERS is not set
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_CLK=y
-CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -124,6 +124,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -181,6 +182,7 @@ CONFIG_MAX_ACTIVE_REGIONS=1
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
@@ -193,13 +195,15 @@ CONFIG_SPARSEMEM_MANUAL=y
 CONFIG_SPARSEMEM=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 # CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -231,7 +235,6 @@ CONFIG_SH_SH7763RDP=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=28
 CONFIG_SH_PCLK_FREQ=66666666
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
@@ -291,6 +294,8 @@ CONFIG_CMDLINE="console=ttySC2,115200 root=/dev/sda1 rootdelay=10"
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
 CONFIG_NET=y
 
@@ -341,6 +346,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -361,11 +367,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 CONFIG_WIRELESS_EXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_MAC80211 is not set
@@ -563,6 +568,9 @@ CONFIG_SH_ETH=y
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
 # CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -675,6 +683,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
@@ -700,6 +710,7 @@ CONFIG_SSB_POSSIBLE=y
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
@@ -725,6 +736,7 @@ CONFIG_FB_BOTH_ENDIAN=y
 # CONFIG_FB_SH_MOBILE_LCDC is not set
 CONFIG_FB_SH7760=y
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -768,6 +780,7 @@ CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
@@ -788,6 +801,7 @@ CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
 # CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -817,7 +831,6 @@ CONFIG_USB_STORAGE=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -830,7 +843,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -846,13 +859,14 @@ CONFIG_USB_MON=y
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 CONFIG_MMC=y
 # CONFIG_MMC_DEBUG is not set
 # CONFIG_MMC_UNSAFE_RESUME is not set
 
 #
-# MMC/SD Card Drivers
+# MMC/SD/SDIO Card Drivers
 #
 CONFIG_MMC_BLOCK=y
 CONFIG_MMC_BLOCK_BOUNCE=y
@@ -860,7 +874,7 @@ CONFIG_MMC_BLOCK_BOUNCE=y
 # CONFIG_MMC_TEST is not set
 
 #
-# MMC/SD Host Controller Drivers
+# MMC/SD/SDIO Host Controller Drivers
 #
 # CONFIG_MMC_SDHCI is not set
 # CONFIG_MEMSTICK is not set
@@ -869,6 +883,7 @@ CONFIG_MMC_BLOCK_BOUNCE=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -880,12 +895,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -919,6 +935,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
@@ -955,6 +972,7 @@ CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1025,6 +1043,11 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1035,12 +1058,14 @@ CONFIG_FRAME_WARN=1024
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1113,13 +1138,17 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
diff --git a/arch/sh/configs/sh7785lcr_defconfig b/arch/sh/configs/sh7785lcr_defconfig
index ff72697365d..07e33c285b9 100644
--- a/arch/sh/configs/sh7785lcr_defconfig
+++ b/arch/sh/configs/sh7785lcr_defconfig
@@ -1,27 +1,29 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc8
-# Tue Jul 15 21:37:59 2008
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:49:23 2008
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_NUMA=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
-CONFIG_ARCH_SUPPORTS_AOUT=y
 CONFIG_IO_TRAPPED=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
@@ -61,7 +63,6 @@ CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -78,7 +79,9 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -86,10 +89,13 @@ CONFIG_PROFILING=y
 # CONFIG_MARKERS is not set
 # CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_HAVE_KPROBES is not set
-# CONFIG_HAVE_KRETPROBES is not set
-# CONFIG_HAVE_DMA_ATTRS is not set
-CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
@@ -106,6 +112,7 @@ CONFIG_BLOCK=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -120,6 +127,7 @@ CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
 CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
@@ -181,10 +189,12 @@ CONFIG_MAX_ACTIVE_REGIONS=2
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 # CONFIG_FLATMEM_MANUAL is not set
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -192,13 +202,15 @@ CONFIG_SPARSEMEM_MANUAL=y
 CONFIG_SPARSEMEM=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_STATIC=y
-# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 # CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
@@ -266,9 +278,10 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
-# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCHED_HRTICK=y
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
@@ -299,11 +312,9 @@ CONFIG_PCI_LEGACY=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -358,6 +369,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -378,12 +390,12 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
@@ -499,6 +511,7 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 # CONFIG_MISC_DEVICES is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
@@ -541,6 +554,7 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_SAS_LIBSAS is not set
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
 CONFIG_SATA_PMP=y
@@ -615,7 +629,6 @@ CONFIG_SATA_SIL=y
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -624,19 +637,18 @@ CONFIG_NETDEVICES=y
 # CONFIG_VETH is not set
 # CONFIG_ARCNET is not set
 # CONFIG_NET_ETHERNET is not set
+CONFIG_MII=y
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 # CONFIG_E1000 is not set
 # CONFIG_E1000E is not set
-# CONFIG_E1000E_ENABLED is not set
 # CONFIG_IP1000 is not set
 # CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
 CONFIG_R8169=y
-# CONFIG_R8169_NAPI is not set
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 # CONFIG_SKY2 is not set
@@ -645,6 +657,8 @@ CONFIG_R8169=y
 # CONFIG_BNX2 is not set
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
+# CONFIG_JME is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
 
@@ -679,7 +693,7 @@ CONFIG_R8169=y
 # Input device support
 #
 CONFIG_INPUT=y
-# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_FF_MEMLESS=m
 # CONFIG_INPUT_POLLDEV is not set
 
 #
@@ -720,6 +734,7 @@ CONFIG_INPUT_KEYBOARD=y
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
@@ -754,44 +769,65 @@ CONFIG_DEVPORT=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_ALGOPCA=y
 
 #
 # I2C Hardware Bus support
 #
+
+#
+# PC SMBus host controller drivers
+#
 # CONFIG_I2C_ALI1535 is not set
 # CONFIG_I2C_ALI1563 is not set
 # CONFIG_I2C_ALI15X3 is not set
 # CONFIG_I2C_AMD756 is not set
 # CONFIG_I2C_AMD8111 is not set
 # CONFIG_I2C_I801 is not set
-# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_ISCH is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_I2C_SIMTEC is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
-# CONFIG_I2C_TINY_USB is not set
 # CONFIG_I2C_VIA is not set
 # CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SH_MOBILE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
 # CONFIG_I2C_VOODOO3 is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
 CONFIG_I2C_PCA_PLATFORM=y
-# CONFIG_I2C_SH_MOBILE is not set
+# CONFIG_I2C_STUB is not set
 
 #
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
@@ -816,8 +852,12 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 CONFIG_MFD_SM501=y
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
@@ -844,6 +884,7 @@ CONFIG_MFD_SM501=y
 CONFIG_FB=y
 # CONFIG_FIRMWARE_EDID is not set
 # CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
@@ -877,6 +918,7 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_S3 is not set
 # CONFIG_FB_SAVAGE is not set
 # CONFIG_FB_SIS is not set
+# CONFIG_FB_VIA is not set
 # CONFIG_FB_NEOMAGIC is not set
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
@@ -885,8 +927,11 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_ARK is not set
 # CONFIG_FB_PM3 is not set
+# CONFIG_FB_CARMINE is not set
+CONFIG_FB_SH_MOBILE_LCDC=m
 CONFIG_FB_SM501=y
 # CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -911,10 +956,6 @@ CONFIG_LOGO_LINUX_CLUT224=y
 # CONFIG_LOGO_SUPERH_MONO is not set
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 # CONFIG_LOGO_SUPERH_CLUT224 is not set
-
-#
-# Sound
-#
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
@@ -925,9 +966,36 @@ CONFIG_HID=y
 # USB Input Devices
 #
 CONFIG_USB_HID=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
-# CONFIG_HID_FF is not set
+# CONFIG_HID_PID is not set
 # CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_COMPAT=y
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_BRIGHT=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DELL=y
+CONFIG_HID_EZKEY=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_THRUSTMASTER_FF=m
+CONFIG_ZEROPLUS_FF=m
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -945,6 +1013,7 @@ CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
@@ -969,6 +1038,7 @@ CONFIG_USB_R8A66597_HCD=y
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
 # CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -998,7 +1068,6 @@ CONFIG_USB_STORAGE=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -1011,7 +1080,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -1029,6 +1098,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_IOWARRIOR is not set
 CONFIG_USB_TEST=m
 # CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1073,19 +1143,24 @@ CONFIG_RTC_DRV_RS5C372=y
 #
 # Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
 # CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
 # CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
 # on-CPU RTC drivers
 #
 # CONFIG_RTC_DRV_SH is not set
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -1097,12 +1172,13 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 CONFIG_DNOTIFY=y
@@ -1137,6 +1213,7 @@ CONFIG_NTFS_RW=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
@@ -1158,6 +1235,7 @@ CONFIG_TMPFS=y
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 CONFIG_MINIX_FS=y
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -1168,18 +1246,18 @@ CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
 CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
 # CONFIG_NFSD_V3_ACL is not set
 CONFIG_NFSD_V4=y
-CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
-# CONFIG_SUNRPC_BIND34 is not set
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -1250,6 +1328,8 @@ CONFIG_FRAME_WARN=1024
 CONFIG_DEBUG_KERNEL=y
 # CONFIG_DEBUG_SHIRQ is not set
 CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1270,13 +1350,27 @@ CONFIG_DEBUG_PREEMPT=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
@@ -1292,15 +1386,19 @@ CONFIG_DEBUG_PREEMPT=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
@@ -1339,6 +1437,10 @@ CONFIG_CRYPTO_HMAC=y
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 # CONFIG_CRYPTO_SHA1 is not set
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
@@ -1369,15 +1471,20 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
 # CONFIG_CRYPTO_HW is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
-# CONFIG_GENERIC_FIND_FIRST_BIT is not set
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/shmin_defconfig b/arch/sh/configs/shmin_defconfig
index 8800fefcbaf..e2b38a33497 100644
--- a/arch/sh/configs/shmin_defconfig
+++ b/arch/sh/configs/shmin_defconfig
@@ -1,27 +1,34 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18
-# Tue Oct  3 12:52:49 2006
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:52:59 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 # CONFIG_SWAP is not set
@@ -29,11 +36,14 @@ CONFIG_LOCALVERSION_AUTO=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
 # CONFIG_RELAY is not set
-CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
@@ -44,27 +54,38 @@ CONFIG_EMBEDDED=y
 CONFIG_PRINTK=y
 # CONFIG_BUG is not set
 # CONFIG_ELF_CORE is not set
+CONFIG_COMPAT_BRK=y
 # CONFIG_BASE_FULL is not set
 # CONFIG_FUTEX is not set
+CONFIG_ANON_INODES=y
 # CONFIG_EPOLL is not set
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 # CONFIG_SHMEM is not set
-# CONFIG_SLAB is not set
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+# CONFIG_SLAB is not set
+# CONFIG_SLUB is not set
+CONFIG_SLOB=y
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=1
-CONFIG_SLOB=y
-
-#
-# Loadable module support
-#
 # CONFIG_MODULES is not set
-
-#
-# Block layer
-#
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -78,59 +99,27 @@ CONFIG_IOSCHED_NOOP=y
 # CONFIG_DEFAULT_CFQ is not set
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
-# CONFIG_SH_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SOLUTION_ENGINE is not set
-# CONFIG_SH_7300_SOLUTION_ENGINE is not set
-# CONFIG_SH_7343_SOLUTION_ENGINE is not set
-# CONFIG_SH_73180_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SYSTEMH is not set
-# CONFIG_SH_HP6XX is not set
-# CONFIG_SH_EC3104 is not set
-# CONFIG_SH_SATURN is not set
-# CONFIG_SH_DREAMCAST is not set
-# CONFIG_SH_BIGSUR is not set
-# CONFIG_SH_MPC1211 is not set
-# CONFIG_SH_SH03 is not set
-# CONFIG_SH_SECUREEDGE5410 is not set
-# CONFIG_SH_HS7751RVOIP is not set
-# CONFIG_SH_7710VOIPGW is not set
-# CONFIG_SH_RTS7751R2D is not set
-# CONFIG_SH_R7780RP is not set
-# CONFIG_SH_EDOSK7705 is not set
-# CONFIG_SH_SH4202_MICRODEV is not set
-# CONFIG_SH_LANDISK is not set
-# CONFIG_SH_TITAN is not set
-CONFIG_SH_SHMIN=y
-# CONFIG_SH_UNKNOWN is not set
-
-#
-# Processor selection
-#
 CONFIG_CPU_SH3=y
-
-#
-# SH-2 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7604 is not set
-
-#
-# SH-3 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 CONFIG_CPU_SUBTYPE_SH7706=y
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
 # CONFIG_CPU_SUBTYPE_SH7708 is not set
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
-
-#
-# SH-4 Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -139,65 +128,87 @@ CONFIG_CPU_SUBTYPE_SH7706=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-
-#
-# ST40 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
-
-#
-# SH-4A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
-
-#
-# SH4AL-DSP Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
 #
+CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x0c000000
 CONFIG_MEMORY_SIZE=0x00800000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
-# CONFIG_SH_OCRAM is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
 #
 CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
 # CONFIG_SH_FPU_EMU is not set
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_ADC is not set
 CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_IPR_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
 
 #
-# Timer support
+# Board support
+#
+CONFIG_SH_SHMIN=y
+
+#
+# Timer and clock configuration
 #
 CONFIG_SH_TMU=y
+CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=32000000
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -212,69 +223,63 @@ CONFIG_SH_PCLK_FREQ=32000000
 #
 # Companion Chips
 #
-# CONFIG_HD6446X_SERIES is not set
+
+#
+# Additional SuperH Device Drivers
+#
+# CONFIG_HEARTBEAT is not set
+# CONFIG_PUSH_SWITCH is not set
 
 #
 # Kernel features
 #
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
-# CONFIG_SMP is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
 #
 CONFIG_ZERO_PAGE_OFFSET=0x00001000
 CONFIG_BOOT_LINK_OFFSET=0x00210000
-# CONFIG_UBC_WAKEUP is not set
 CONFIG_CMDLINE_BOOL=y
 CONFIG_CMDLINE="console=ttySC1,115200 root=1f01 mtdparts=phys_mapped_flash:64k(firm)ro,-(sys) netdev=34,0x300,eth0 "
 
 #
 # Bus options
 #
-# CONFIG_PCI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-
-#
-# PCI Hotplug Support
-#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_FLAT is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Power management options (EXPERIMENTAL)
-#
-# CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
-# CONFIG_NETDEBUG is not set
 # CONFIG_PACKET is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -295,33 +300,23 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_TUNNEL is not set
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -331,10 +326,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
@@ -342,9 +333,19 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+# CONFIG_WIRELESS_EXT is not set
+# CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -356,32 +357,27 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
 # CONFIG_CONNECTOR is not set
-
-#
-# Memory Technology Devices (MTD)
-#
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
 #
 # CONFIG_MTD_CHAR is not set
+CONFIG_MTD_BLKDEVS=y
 CONFIG_MTD_BLOCK=y
 # CONFIG_FTL is not set
 # CONFIG_NFTL is not set
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -407,7 +403,6 @@ CONFIG_MTD_CFI_UTIL=y
 # CONFIG_MTD_RAM is not set
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_ABSENT is not set
-# CONFIG_MTD_OBSOLETE_CHIPS is not set
 
 #
 # Mapping drivers for chip access
@@ -433,41 +428,27 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=1
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
 # CONFIG_MTD_NAND is not set
-
-#
-# OneNAND Flash Device Drivers
-#
 # CONFIG_MTD_ONENAND is not set
 
 #
-# Parallel port support
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_RAM is not set
-# CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -475,89 +456,48 @@ CONFIG_BLK_DEV_LOOP=y
 #
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
-
-#
-# PHY device support
-#
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 CONFIG_NET_ETHERNET=y
 # CONFIG_MII is not set
+# CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
 # CONFIG_SMC91X is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
-#
-
-#
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
-#
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+CONFIG_NETDEV_1000=y
+CONFIG_NETDEV_10000=y
+
+#
+# Wireless LAN
+#
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -575,6 +515,7 @@ CONFIG_NET_ETHERNET=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -593,153 +534,103 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_GEN_RTC is not set
-# CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
-
-#
-# Ftape, the floppy tape device driver
-#
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
-# CONFIG_TELCLOCK is not set
-
-#
-# I2C support
-#
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
 
 #
-# Dallas's 1-wire bus
+# Sonics Silicon Backplane
 #
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
-# Hardware Monitoring support
+# Multifunction device drivers
 #
-# CONFIG_HWMON is not set
-# CONFIG_HWMON_VID is not set
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
-# Misc devices
+# Multimedia devices
 #
 
 #
-# Multimedia devices
+# Multimedia core support
 #
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Digital Video Broadcasting Devices
+# Multimedia drivers
 #
-# CONFIG_DVB is not set
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
-CONFIG_FIRMWARE_EDID=y
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
-
-#
-# USB support
-#
-# CONFIG_USB_ARCH_HAS_HCD is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+# CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
 # CONFIG_QUOTA is not set
-# CONFIG_DNOTIFY is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -763,12 +654,12 @@ CONFIG_FIRMWARE_EDID=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 # CONFIG_SYSFS is not set
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 
 #
 # Miscellaneous filesystems
@@ -780,29 +671,28 @@ CONFIG_RAMFS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
-# CONFIG_JFFS_FS is not set
 # CONFIG_JFFS2_FS is not set
 CONFIG_CRAMFS=y
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-# CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -810,53 +700,140 @@ CONFIG_SUNRPC=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
 # CONFIG_NLS is not set
 
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_UNWIND_INFO is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
+# CONFIG_EARLY_SCIF_CONSOLE is not set
 CONFIG_EARLY_PRINTK=y
-# CONFIG_KGDB is not set
+# CONFIG_SH_KGDB is not set
 
 #
 # Security options
 #
 # CONFIG_KEYS is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Cryptographic options
+# Random Number Generation
 #
-# CONFIG_CRYPTO is not set
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
 #
+CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/sh/configs/shx3_defconfig b/arch/sh/configs/shx3_defconfig
index a794c082709..ae5cbe237ff 100644
--- a/arch/sh/configs/shx3_defconfig
+++ b/arch/sh/configs/shx3_defconfig
@@ -1,18 +1,23 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.23-rc7
-# Fri Sep 21 19:07:30 2007
+# Linux kernel version: 2.6.27
+# Tue Oct 21 12:16:25 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+CONFIG_GENERIC_LOCKBREAK=y
 CONFIG_SYS_SUPPORTS_SMP=y
 CONFIG_SYS_SUPPORTS_NUMA=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -26,7 +31,6 @@ CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 # General setup
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
@@ -34,20 +38,41 @@ CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
-# CONFIG_POSIX_MQUEUE is not set
+CONFIG_POSIX_MQUEUE=y
 CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_BSD_PROCESS_ACCT_V3 is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_AUDIT is not set
+CONFIG_AUDIT=y
+CONFIG_AUDITSYSCALL=y
+CONFIG_AUDIT_TREE=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_SYSFS_DEPRECATED is not set
-# CONFIG_RELAY is not set
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_CGROUPS=y
+# CONFIG_CGROUP_DEBUG is not set
+CONFIG_CGROUP_NS=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_DEVICE=y
+# CONFIG_CPUSETS is not set
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_RESOURCE_COUNTERS=y
+CONFIG_MM_OWNER=y
+CONFIG_CGROUP_MEM_RES_CTLR=y
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+CONFIG_RELAY=y
+CONFIG_NAMESPACES=y
+CONFIG_UTS_NS=y
+CONFIG_IPC_NS=y
+CONFIG_USER_NS=y
+CONFIG_PID_NS=y
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_EMBEDDED=y
 CONFIG_UID16=y
@@ -59,44 +84,66 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 # CONFIG_SLAB is not set
 # CONFIG_SLUB is not set
 CONFIG_SLOB=y
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_KPROBES=y
+CONFIG_KRETPROBES=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
+CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-# CONFIG_IOSCHED_AS is not set
-# CONFIG_IOSCHED_DEADLINE is not set
-# CONFIG_IOSCHED_CFQ is not set
-# CONFIG_DEFAULT_AS is not set
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_DEADLINE is not set
 # CONFIG_DEFAULT_CFQ is not set
-CONFIG_DEFAULT_NOOP=y
-CONFIG_DEFAULT_IOSCHED="noop"
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+# CONFIG_CLASSIC_RCU is not set
+CONFIG_FREEZER=y
 
 #
 # System type
@@ -105,7 +152,10 @@ CONFIG_CPU_SH4=y
 CONFIG_CPU_SH4A=y
 CONFIG_CPU_SHX3=y
 # CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -114,6 +164,7 @@ CONFIG_CPU_SHX3=y
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
 # CONFIG_CPU_SUBTYPE_SH7712 is not set
 # CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -122,14 +173,17 @@ CONFIG_CPU_SHX3=y
 # CONFIG_CPU_SUBTYPE_SH7751R is not set
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
 # CONFIG_CPU_SUBTYPE_SH7785 is not set
 CONFIG_CPU_SUBTYPE_SHX3=y
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
 # CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
@@ -139,45 +193,56 @@ CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x0c000000
 CONFIG_MEMORY_SIZE=0x04000000
+CONFIG_29BIT=y
+# CONFIG_X2TLB is not set
 CONFIG_VSYSCALL=y
-# CONFIG_NUMA is not set
-CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_NUMA=y
+CONFIG_NODES_SHIFT=3
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_DEFAULT=y
 CONFIG_MAX_ACTIVE_REGIONS=6
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 CONFIG_ARCH_MEMORY_PROBE=y
-CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_4KB is not set
 # CONFIG_PAGE_SIZE_8KB is not set
-# CONFIG_PAGE_SIZE_64KB is not set
-CONFIG_HUGETLB_PAGE_SIZE_64K=y
+# CONFIG_PAGE_SIZE_16KB is not set
+CONFIG_PAGE_SIZE_64KB=y
+CONFIG_ENTRY_OFFSET=0x00010000
+# CONFIG_HUGETLB_PAGE_SIZE_64K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_256K is not set
-# CONFIG_HUGETLB_PAGE_SIZE_1MB is not set
+CONFIG_HUGETLB_PAGE_SIZE_1MB=y
 # CONFIG_HUGETLB_PAGE_SIZE_4MB is not set
 # CONFIG_HUGETLB_PAGE_SIZE_64MB is not set
+# CONFIG_HUGETLB_PAGE_SIZE_512MB is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 # CONFIG_FLATMEM_MANUAL is not set
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 CONFIG_SPARSEMEM_MANUAL=y
 CONFIG_SPARSEMEM=y
+CONFIG_NEED_MULTIPLE_NODES=y
 CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_STATIC=y
 CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTPLUG_SPARSE=y
+CONFIG_MEMORY_HOTREMOVE=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_CACHE_WRITEBACK is not set
+CONFIG_CACHE_WRITEBACK=y
 # CONFIG_CACHE_WRITETHROUGH is not set
-CONFIG_CACHE_OFF=y
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
@@ -202,8 +267,9 @@ CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=50000000
 CONFIG_TICK_ONESHOT=y
-# CONFIG_NO_HZ is not set
+CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -214,7 +280,10 @@ CONFIG_CPU_FREQ_TABLE=y
 CONFIG_CPU_FREQ_STAT=y
 # CONFIG_CPU_FREQ_STAT_DETAILS is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
 # CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
 CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=m
 CONFIG_CPU_FREQ_GOV_USERSPACE=m
@@ -245,20 +314,23 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+CONFIG_SCHED_HRTICK=y
 CONFIG_KEXEC=y
 # CONFIG_CRASH_DUMP is not set
-# CONFIG_SMP is not set
+CONFIG_SECCOMP=y
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-CONFIG_PREEMPT_BKL=y
+CONFIG_PREEMPT_RCU=y
+CONFIG_RCU_TRACE=y
 
 #
 # Boot options
 #
 CONFIG_ZERO_PAGE_OFFSET=0x00001000
 CONFIG_BOOT_LINK_OFFSET=0x00800000
-# CONFIG_UBC_WAKEUP is not set
 CONFIG_CMDLINE_BOOL=y
 CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=bios ignore_loglevel"
 
@@ -266,21 +338,15 @@ CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=bios ignore_loglevel"
 # Bus options
 #
 # CONFIG_ARCH_SUPPORTS_MSI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
 # CONFIG_PCCARD is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 CONFIG_BINFMT_MISC=y
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -292,6 +358,7 @@ CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -313,6 +380,7 @@ CONFIG_INET_TUNNEL=m
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -334,8 +402,10 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=m
 CONFIG_INET6_XFRM_MODE_BEET=m
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
@@ -343,6 +413,7 @@ CONFIG_IPV6_SIT=m
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -352,28 +423,28 @@ CONFIG_IPV6_SIT=m
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
 # CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
-# CONFIG_AF_RXRPC is not set
+CONFIG_CAN=m
+CONFIG_CAN_RAW=m
+CONFIG_CAN_BCM=m
 
 #
-# Wireless
+# CAN Device Drivers
 #
-# CONFIG_CFG80211 is not set
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+CONFIG_CAN_VCAN=m
+# CONFIG_CAN_DEBUG_DEVICES is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+# CONFIG_WIRELESS is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -384,6 +455,7 @@ CONFIG_IPV6_SIT=m
 #
 # Generic Driver Options
 #
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
@@ -397,14 +469,18 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
 # CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -443,25 +519,41 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
 CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
 # CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
+CONFIG_SATA_PMP=y
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_MV is not set
 CONFIG_PATA_PLATFORM=y
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
+# CONFIG_VETH is not set
 # CONFIG_PHYLIB is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
 CONFIG_SMC91X=y
+# CONFIG_ENC28J60 is not set
+# CONFIG_SMC911X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 
@@ -470,10 +562,19 @@ CONFIG_SMC91X=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
@@ -495,6 +596,7 @@ CONFIG_SMC91X=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -514,6 +616,76 @@ CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=m
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SH_MOBILE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_SH_SCI is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -522,78 +694,158 @@ CONFIG_WATCHDOG=y
 #
 # CONFIG_SOFT_WATCHDOG is not set
 # CONFIG_SH_WDT is not set
-# CONFIG_HW_RANDOM is not set
-# CONFIG_R3964 is not set
-# CONFIG_RAW_DRIVER is not set
-# CONFIG_TCG_TPM is not set
-# CONFIG_I2C is not set
 
 #
-# SPI support
+# USB-based Watchdog Cards
 #
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
-# CONFIG_W1 is not set
-# CONFIG_POWER_SUPPLY is not set
-# CONFIG_HWMON is not set
+# CONFIG_USBPCWATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM8350_I2C is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-# CONFIG_DAB is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Graphics support
+# Multimedia drivers
 #
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+# CONFIG_DAB is not set
 
 #
-# Display device support
+# Graphics support
 #
-# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_VGASTATE is not set
 CONFIG_VIDEO_OUTPUT_CONTROL=m
 # CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
-# CONFIG_USB is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+# CONFIG_USB_DEVICEFS is not set
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+CONFIG_USB_R8A66597_HCD=m
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 
 #
-# USB Gadget Support
+# may also be needed; see USB_STORAGE Help for more information
+#
+# CONFIG_USB_STORAGE is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
 #
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGET is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 CONFIG_USB_GADGET=y
 # CONFIG_USB_GADGET_DEBUG is not set
 # CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
 CONFIG_USB_GADGET_SELECTED=y
-# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
 # CONFIG_USB_GADGET_FSL_USB2 is not set
-# CONFIG_USB_GADGET_NET2280 is not set
-# CONFIG_USB_GADGET_PXA2XX is not set
-CONFIG_USB_GADGET_M66592=y
-CONFIG_USB_M66592=y
-# CONFIG_USB_GADGET_GOKU is not set
 # CONFIG_USB_GADGET_LH7A40X is not set
 # CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_PXA27X is not set
 # CONFIG_USB_GADGET_S3C2410 is not set
-# CONFIG_USB_GADGET_AT91 is not set
+CONFIG_USB_GADGET_M66592=y
+CONFIG_USB_M66592=y
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
 CONFIG_USB_GADGET_DUALSPEED=y
 # CONFIG_USB_ZERO is not set
@@ -602,27 +854,78 @@ CONFIG_USB_GADGET_DUALSPEED=y
 # CONFIG_USB_FILE_STORAGE is not set
 # CONFIG_USB_G_SERIAL is not set
 # CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
 # CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-# CONFIG_RTC_CLASS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
 
 #
-# DMA Engine support
+# RTC interfaces
 #
-# CONFIG_DMA_ENGINE is not set
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
 
 #
-# DMA Clients
-#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
 
 #
-# DMA Devices
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+
 #
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
 
 #
-# Userspace I/O
+# on-CPU RTC drivers
 #
+CONFIG_RTC_DRV_SH=y
+# CONFIG_DMADEVICES is not set
 CONFIG_UIO=m
+# CONFIG_UIO_PDRV is not set
+# CONFIG_UIO_PDRV_GENIRQ is not set
+# CONFIG_UIO_SMX is not set
+# CONFIG_UIO_SERCOS3 is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -634,22 +937,20 @@ CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
 # CONFIG_EXT3_FS_SECURITY is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
 # CONFIG_JBD_DEBUG is not set
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -673,12 +974,12 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -693,14 +994,14 @@ CONFIG_RAMFS=y
 # CONFIG_EFS_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
@@ -714,29 +1015,17 @@ CONFIG_RAMFS=y
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
 # CONFIG_NLS is not set
-
-#
-# Distributed Lock Manager
-#
 # CONFIG_DLM is not set
 
-#
-# Profiling support
-#
-CONFIG_PROFILING=y
-# CONFIG_OPROFILE is not set
-
 #
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 # CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
@@ -744,9 +1033,12 @@ CONFIG_DEBUG_FS=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
 CONFIG_DEBUG_PREEMPT=y
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
@@ -761,18 +1053,36 @@ CONFIG_DEBUG_PREEMPT=y
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_VM=y
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
-CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 CONFIG_SH_STANDARD_BIOS=y
 # CONFIG_EARLY_SCIF_CONSOLE is not set
 CONFIG_EARLY_PRINTK=y
 # CONFIG_DEBUG_BOOTMEM is not set
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
-# CONFIG_4KSTACKS is not set
+# CONFIG_IRQSTACKS is not set
 # CONFIG_SH_KGDB is not set
 
 #
@@ -780,7 +1090,92 @@ CONFIG_DEBUG_STACK_USAGE=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
-# CONFIG_CRYPTO is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_FIPS is not set
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
 
 #
 # Library routines
@@ -788,10 +1183,12 @@ CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
+CONFIG_AUDIT_GENERIC=y
 CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
diff --git a/arch/sh/configs/snapgear_defconfig b/arch/sh/configs/snapgear_defconfig
index e4e5d217813..b4ca5110958 100644
--- a/arch/sh/configs/snapgear_defconfig
+++ b/arch/sh/configs/snapgear_defconfig
@@ -1,36 +1,36 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.23-rc1
-# Thu Jul 26 11:49:11 2007
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:55:03 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_SYS_SUPPORTS_PCI=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 # CONFIG_SWAP is not set
@@ -38,12 +38,15 @@ CONFIG_LOCALVERSION_AUTO=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_SYSFS_DEPRECATED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -57,6 +60,7 @@ CONFIG_KALLSYMS=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
@@ -65,10 +69,22 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -78,6 +94,7 @@ CONFIG_BLOCK=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
 # CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -91,13 +108,18 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
 CONFIG_CPU_SH4=y
 # CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
 # CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
@@ -105,6 +127,8 @@ CONFIG_CPU_SH4=y
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
 # CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -113,14 +137,17 @@ CONFIG_CPU_SH4=y
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
 # CONFIG_CPU_SUBTYPE_SH7785 is not set
 # CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
 # CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
@@ -130,6 +157,7 @@ CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x08000000
 CONFIG_MEMORY_SIZE=0x01000000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
@@ -139,7 +167,9 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
 # CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -147,16 +177,21 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
@@ -164,20 +199,18 @@ CONFIG_NR_QUICK=2
 CONFIG_CPU_LITTLE_ENDIAN=y
 # CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_STORE_QUEUES is not set
 CONFIG_CPU_HAS_INTEVT=y
-CONFIG_CPU_HAS_INTC_IRQ=y
 CONFIG_CPU_HAS_IPR_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
 CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
 
 #
 # Board support
 #
 # CONFIG_SH_7751_SYSTEMH is not set
 CONFIG_SH_SECUREEDGE5410=y
-# CONFIG_SH_HS7751RVOIP is not set
 # CONFIG_SH_RTS7751R2D is not set
 # CONFIG_SH_LANDISK is not set
 # CONFIG_SH_TITAN is not set
@@ -189,9 +222,9 @@ CONFIG_SH_SECUREEDGE5410=y
 CONFIG_SH_TMU=y
 CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=60000000
-# CONFIG_TICK_ONESHOT is not set
 # CONFIG_NO_HZ is not set
 # CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -224,11 +257,15 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
@@ -241,26 +278,20 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000
 #
 # Bus options
 #
-CONFIG_SH_CONCAT_FS=y
 CONFIG_PCI=y
 CONFIG_SH_PCIDMA_NONCOHERENT=y
 CONFIG_PCI_AUTO=y
 CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
+CONFIG_PCI_LEGACY=y
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -286,14 +317,13 @@ CONFIG_IP_FIB_HASH=y
 # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET_XFRM_MODE_TUNNEL is not set
 # CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TCP_MD5SIG is not set
 # CONFIG_IPV6 is not set
-# CONFIG_INET6_XFRM_TUNNEL is not set
-# CONFIG_INET6_TUNNEL is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
@@ -301,6 +331,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
 # CONFIG_DECNET is not set
 # CONFIG_LLC2 is not set
@@ -310,10 +341,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 # CONFIG_NET_SCHED is not set
 
 #
@@ -321,14 +348,14 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-
-#
-# Wireless
-#
+# CONFIG_PHONET is not set
+CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
@@ -352,6 +379,7 @@ CONFIG_MTD=y
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
 # CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
 
 #
 # User Modules And Translation Layers
@@ -365,6 +393,7 @@ CONFIG_MTD_BLOCK_RO=y
 # CONFIG_INFTL is not set
 # CONFIG_RFD_FTL is not set
 # CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -401,6 +430,7 @@ CONFIG_MTD_RAM=y
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 # CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_INTEL_VR_NOR is not set
 CONFIG_MTD_PLATRAM=y
 
 #
@@ -437,10 +467,12 @@ CONFIG_BLK_DEV=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 # CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -452,44 +484,52 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 # CONFIG_SCSI_NETLINK is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
+# CONFIG_FUSION is not set
 
 #
-# Fusion MPT device support
+# IEEE 1394 (FireWire) support
 #
-# CONFIG_FUSION is not set
 
 #
-# IEEE 1394 (FireWire) support
+# Enable only one of the two stacks, unless you know what you are doing
 #
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
+# CONFIG_VETH is not set
 # CONFIG_ARCNET is not set
 # CONFIG_PHYLIB is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
 # CONFIG_HAPPYMEAL is not set
 # CONFIG_SUNGEM is not set
 # CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
 # CONFIG_SMC91X is not set
+# CONFIG_SMC911X is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
 # CONFIG_B44 is not set
 # CONFIG_FORCEDETH is not set
-# CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 # CONFIG_E100 is not set
 # CONFIG_FEALNX is not set
@@ -501,12 +541,14 @@ CONFIG_8139TOO_PIO=y
 # CONFIG_8139TOO_TUNE_TWISTER is not set
 # CONFIG_8139TOO_8129 is not set
 # CONFIG_8139_OLD_RX_RESET is not set
+# CONFIG_R6040 is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
@@ -516,12 +558,12 @@ CONFIG_8139TOO_PIO=y
 #
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
@@ -540,7 +582,6 @@ CONFIG_INPUT=y
 #
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 # CONFIG_INPUT_EVDEV is not set
 # CONFIG_INPUT_EVBUG is not set
 
@@ -564,7 +605,9 @@ CONFIG_INPUT=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
 
 #
 # Serial drivers
@@ -584,82 +627,77 @@ CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
-# CONFIG_DRM is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
-# CONFIG_DAB is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Graphics support
+# Multimedia drivers
 #
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+# CONFIG_DAB is not set
 
 #
-# Display device support
+# Graphics support
 #
-# CONFIG_DISPLAY_SUPPORT is not set
+# CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
 # CONFIG_HID_SUPPORT is not set
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
-
-#
-# Real Time Clock
-#
 # CONFIG_RTC_CLASS is not set
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
-
-#
-# Userspace I/O
-#
+# CONFIG_DMADEVICES is not set
 # CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -668,18 +706,16 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
-# CONFIG_EXT4DEV_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-CONFIG_ROMFS_FS=y
+# CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
 # CONFIG_QUOTA is not set
-# CONFIG_DNOTIFY is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -703,12 +739,12 @@ CONFIG_ROMFS_FS=y
 CONFIG_PROC_FS=y
 # CONFIG_PROC_KCORE is not set
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -724,14 +760,14 @@ CONFIG_RAMFS=y
 # CONFIG_JFFS2_FS is not set
 CONFIG_CRAMFS=y
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFS_FS is not set
 # CONFIG_NFSD is not set
 # CONFIG_SMB_FS is not set
@@ -745,34 +781,30 @@ CONFIG_CRAMFS=y
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
 # CONFIG_NLS is not set
-
-#
-# Distributed Lock Manager
-#
 # CONFIG_DLM is not set
 
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
 #
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
 # CONFIG_SH_KGDB is not set
@@ -782,6 +814,8 @@ CONFIG_ENABLE_MUST_CHECK=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_CRYPTO is not set
 
 #
@@ -790,6 +824,7 @@ CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/sh/configs/systemh_defconfig b/arch/sh/configs/systemh_defconfig
index af921b5a9d4..1711f0f70d7 100644
--- a/arch/sh/configs/systemh_defconfig
+++ b/arch/sh/configs/systemh_defconfig
@@ -1,36 +1,50 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18
-# Tue Oct  3 12:57:29 2006
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:56:48 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 # CONFIG_SYSVIPC is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
@@ -43,34 +57,48 @@ CONFIG_KALLSYMS=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
-
-#
-# Block layer
-#
+CONFIG_KMOD=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -84,59 +112,27 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
-# CONFIG_SH_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SOLUTION_ENGINE is not set
-# CONFIG_SH_7300_SOLUTION_ENGINE is not set
-# CONFIG_SH_7343_SOLUTION_ENGINE is not set
-# CONFIG_SH_73180_SOLUTION_ENGINE is not set
-CONFIG_SH_7751_SYSTEMH=y
-# CONFIG_SH_HP6XX is not set
-# CONFIG_SH_EC3104 is not set
-# CONFIG_SH_SATURN is not set
-# CONFIG_SH_DREAMCAST is not set
-# CONFIG_SH_BIGSUR is not set
-# CONFIG_SH_MPC1211 is not set
-# CONFIG_SH_SH03 is not set
-# CONFIG_SH_SECUREEDGE5410 is not set
-# CONFIG_SH_HS7751RVOIP is not set
-# CONFIG_SH_7710VOIPGW is not set
-# CONFIG_SH_RTS7751R2D is not set
-# CONFIG_SH_R7780RP is not set
-# CONFIG_SH_EDOSK7705 is not set
-# CONFIG_SH_SH4202_MICRODEV is not set
-# CONFIG_SH_LANDISK is not set
-# CONFIG_SH_TITAN is not set
-# CONFIG_SH_SHMIN is not set
-# CONFIG_SH_UNKNOWN is not set
-
-#
-# Processor selection
-#
 CONFIG_CPU_SH4=y
-
-#
-# SH-2 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7604 is not set
-
-#
-# SH-3 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
 # CONFIG_CPU_SUBTYPE_SH7708 is not set
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
-
-#
-# SH-4 Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -145,65 +141,93 @@ CONFIG_CPU_SH4=y
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-
-#
-# ST40 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
-
-#
-# SH-4A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
-
-#
-# SH4AL-DSP Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
 #
+CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x0c000000
 CONFIG_MEMORY_SIZE=0x00400000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
-# CONFIG_SH_OCRAM is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
 #
 CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_STORE_QUEUES is not set
 CONFIG_CPU_HAS_INTEVT=y
 CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
 
 #
-# Timer support
+# Board support
+#
+CONFIG_SH_7751_SYSTEMH=y
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_TITAN is not set
+# CONFIG_SH_LBOX_RE2 is not set
+
+#
+# Timer and clock configuration
 #
 CONFIG_SH_TMU=y
+CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=60000000
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -218,21 +242,31 @@ CONFIG_SH_PCLK_FREQ=60000000
 #
 # Companion Chips
 #
-# CONFIG_HD6446X_SERIES is not set
+
+#
+# Additional SuperH Device Drivers
+#
+# CONFIG_HEARTBEAT is not set
+# CONFIG_PUSH_SWITCH is not set
 
 #
 # Kernel features
 #
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
-# CONFIG_SMP is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-CONFIG_PREEMPT_BKL=y
+# CONFIG_PREEMPT_RCU is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
@@ -245,31 +279,15 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000
 #
 # Bus options
 #
-# CONFIG_PCI is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-
-#
-# PCI Hotplug Support
-#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_FLAT is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Power management options (EXPERIMENTAL)
-#
-# CONFIG_PM is not set
-
-#
-# Networking
-#
 # CONFIG_NET is not set
 
 #
@@ -282,40 +300,21 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_STANDALONE is not set
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
-
-#
-# Memory Technology Devices (MTD)
-#
 # CONFIG_MTD is not set
-
-#
-# Parallel port support
-#
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=1024
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
-CONFIG_BLK_DEV_INITRD=y
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -323,38 +322,10 @@ CONFIG_BLK_DEV_INITRD=y
 #
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# ISDN subsystem
-#
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -376,6 +347,7 @@ CONFIG_SERIO=y
 # Character devices
 #
 # CONFIG_VT is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
@@ -390,158 +362,115 @@ CONFIG_SERIO=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_GEN_RTC is not set
-# CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
-
-#
-# Ftape, the floppy tape device driver
-#
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
-# CONFIG_TELCLOCK is not set
-
-#
-# I2C support
-#
 # CONFIG_I2C is not set
-
-#
-# SPI support
-#
 # CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
-
-#
-# Dallas's 1-wire bus
-#
-
-#
-# Hardware Monitoring support
-#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
 # CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
+# CONFIG_WATCHDOG is not set
 
 #
-# Misc devices
+# Sonics Silicon Backplane
 #
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
 # Multimedia devices
 #
+
+#
+# Multimedia core support
+#
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Digital Video Broadcasting Devices
+# Multimedia drivers
 #
+# CONFIG_DAB is not set
 
 #
 # Graphics support
 #
-CONFIG_FIRMWARE_EDID=y
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Sound
+# Display device support
 #
+# CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
-
-#
-# USB support
-#
-# CONFIG_USB_ARCH_HAS_HCD is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# Enable Host or Gadget support to see Inventra options
 #
 
 #
-# USB Gadget Support
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
 #
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-
-#
-# DMA Engine support
-#
-# CONFIG_DMA_ENGINE is not set
-
-#
-# DMA Clients
-#
-
-#
-# DMA Devices
-#
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
 # CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-CONFIG_ROMFS_FS=y
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 # CONFIG_FUSE_FS is not set
@@ -565,12 +494,12 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -585,8 +514,11 @@ CONFIG_RAMFS=y
 # CONFIG_EFS_FS is not set
 CONFIG_CRAMFS=y
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 
@@ -595,49 +527,55 @@ CONFIG_CRAMFS=y
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
 # CONFIG_NLS is not set
 
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_KERNEL is not set
-CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_BUGVERBOSE is not set
-# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
-# CONFIG_KGDB is not set
+# CONFIG_SH_KGDB is not set
 
 #
 # Security options
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
-
-#
-# Cryptographic options
-#
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_CRYPTO is not set
 
 #
 # Library routines
 #
+CONFIG_BITREVERSE=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/sh/configs/titan_defconfig b/arch/sh/configs/titan_defconfig
index 0686ed6fe17..ea3c5e838fc 100644
--- a/arch/sh/configs/titan_defconfig
+++ b/arch/sh/configs/titan_defconfig
@@ -1,41 +1,55 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19-rc3
-# Mon Oct 30 18:04:49 2006
+# Linux kernel version: 2.6.27
+# Wed Oct 22 19:58:12 2008
 #
 CONFIG_SUPERH=y
+CONFIG_SUPERH32=y
+CONFIG_ARCH_DEFCONFIG="arch/sh/configs/shx3_defconfig"
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
-# CONFIG_GENERIC_TIME is not set
+# CONFIG_GENERIC_GPIO is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_SYS_SUPPORTS_PCI=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
-# Code maturity level options
+# General setup
 #
 CONFIG_EXPERIMENTAL=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
 CONFIG_LOCALVERSION=""
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
+CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+# CONFIG_CGROUPS is not set
+# CONFIG_GROUP_SCHED is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
@@ -49,34 +63,48 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
+CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
+CONFIG_AIO=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+# CONFIG_MARKERS is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_CLK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
-
-#
-# Loadable module support
-#
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -90,59 +118,27 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
+# CONFIG_FREEZER is not set
 
 #
 # System type
 #
-# CONFIG_SH_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SOLUTION_ENGINE is not set
-# CONFIG_SH_7300_SOLUTION_ENGINE is not set
-# CONFIG_SH_7343_SOLUTION_ENGINE is not set
-# CONFIG_SH_73180_SOLUTION_ENGINE is not set
-# CONFIG_SH_7751_SYSTEMH is not set
-# CONFIG_SH_HP6XX is not set
-# CONFIG_SH_EC3104 is not set
-# CONFIG_SH_SATURN is not set
-# CONFIG_SH_DREAMCAST is not set
-# CONFIG_SH_BIGSUR is not set
-# CONFIG_SH_MPC1211 is not set
-# CONFIG_SH_SH03 is not set
-# CONFIG_SH_SECUREEDGE5410 is not set
-# CONFIG_SH_HS7751RVOIP is not set
-# CONFIG_SH_7710VOIPGW is not set
-# CONFIG_SH_RTS7751R2D is not set
-# CONFIG_SH_R7780RP is not set
-# CONFIG_SH_EDOSK7705 is not set
-# CONFIG_SH_SH4202_MICRODEV is not set
-# CONFIG_SH_LANDISK is not set
-CONFIG_SH_TITAN=y
-# CONFIG_SH_SHMIN is not set
-# CONFIG_SH_UNKNOWN is not set
-
-#
-# Processor selection
-#
 CONFIG_CPU_SH4=y
-
-#
-# SH-2 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7604 is not set
-
-#
-# SH-3 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7619 is not set
+# CONFIG_CPU_SUBTYPE_SH7203 is not set
+# CONFIG_CPU_SUBTYPE_SH7206 is not set
+# CONFIG_CPU_SUBTYPE_SH7263 is not set
+# CONFIG_CPU_SUBTYPE_MXG is not set
 # CONFIG_CPU_SUBTYPE_SH7705 is not set
 # CONFIG_CPU_SUBTYPE_SH7706 is not set
 # CONFIG_CPU_SUBTYPE_SH7707 is not set
 # CONFIG_CPU_SUBTYPE_SH7708 is not set
 # CONFIG_CPU_SUBTYPE_SH7709 is not set
 # CONFIG_CPU_SUBTYPE_SH7710 is not set
-
-#
-# SH-4 Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7712 is not set
+# CONFIG_CPU_SUBTYPE_SH7720 is not set
+# CONFIG_CPU_SUBTYPE_SH7721 is not set
 # CONFIG_CPU_SUBTYPE_SH7750 is not set
 # CONFIG_CPU_SUBTYPE_SH7091 is not set
 # CONFIG_CPU_SUBTYPE_SH7750R is not set
@@ -151,65 +147,94 @@ CONFIG_CPU_SH4=y
 CONFIG_CPU_SUBTYPE_SH7751R=y
 # CONFIG_CPU_SUBTYPE_SH7760 is not set
 # CONFIG_CPU_SUBTYPE_SH4_202 is not set
-
-#
-# ST40 Processor Support
-#
-# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
-# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
-
-#
-# SH-4A Processor Support
-#
+# CONFIG_CPU_SUBTYPE_SH7723 is not set
+# CONFIG_CPU_SUBTYPE_SH7763 is not set
 # CONFIG_CPU_SUBTYPE_SH7770 is not set
 # CONFIG_CPU_SUBTYPE_SH7780 is not set
-
-#
-# SH4AL-DSP Processor Support
-#
-# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7785 is not set
+# CONFIG_CPU_SUBTYPE_SHX3 is not set
 # CONFIG_CPU_SUBTYPE_SH7343 is not set
+# CONFIG_CPU_SUBTYPE_SH7722 is not set
+# CONFIG_CPU_SUBTYPE_SH7366 is not set
+# CONFIG_CPU_SUBTYPE_SH5_101 is not set
+# CONFIG_CPU_SUBTYPE_SH5_103 is not set
 
 #
 # Memory management options
 #
+CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
 CONFIG_MEMORY_START=0x08030000
 CONFIG_MEMORY_SIZE=0x7fd0000
+CONFIG_29BIT=y
 CONFIG_VSYSCALL=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+CONFIG_MAX_ACTIVE_REGIONS=1
+CONFIG_ARCH_POPULATES_NODE_MAP=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_PAGE_SIZE_4KB=y
+# CONFIG_PAGE_SIZE_8KB is not set
+# CONFIG_PAGE_SIZE_16KB is not set
+# CONFIG_PAGE_SIZE_64KB is not set
+CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_RESOURCES_64BIT is not set
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_NR_QUICK=2
+CONFIG_UNEVICTABLE_LRU=y
 
 #
 # Cache configuration
 #
 # CONFIG_SH_DIRECT_MAPPED is not set
-# CONFIG_SH_WRITETHROUGH is not set
-# CONFIG_SH_OCRAM is not set
+CONFIG_CACHE_WRITEBACK=y
+# CONFIG_CACHE_WRITETHROUGH is not set
+# CONFIG_CACHE_OFF is not set
 
 #
 # Processor features
 #
 CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_CPU_BIG_ENDIAN is not set
 CONFIG_SH_FPU=y
-# CONFIG_SH_DSP is not set
 # CONFIG_SH_STORE_QUEUES is not set
 CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_IPR_IRQ=y
 CONFIG_CPU_HAS_SR_RB=y
+CONFIG_CPU_HAS_PTEA=y
+CONFIG_CPU_HAS_FPU=y
+
+#
+# Board support
+#
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_LANDISK is not set
+CONFIG_SH_TITAN=y
+# CONFIG_SH_LBOX_RE2 is not set
 
 #
-# Timer support
+# Timer and clock configuration
 #
 CONFIG_SH_TMU=y
+CONFIG_SH_TIMER_IRQ=16
 CONFIG_SH_PCLK_FREQ=30000000
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 
 #
 # CPU Frequency scaling
@@ -219,6 +244,7 @@ CONFIG_SH_PCLK_FREQ=30000000
 #
 # DMA support
 #
+CONFIG_SH_DMA_API=y
 CONFIG_SH_DMA=y
 CONFIG_NR_ONCHIP_DMA_CHANNELS=8
 # CONFIG_NR_DMA_CHANNELS_BOOL is not set
@@ -226,20 +252,30 @@ CONFIG_NR_ONCHIP_DMA_CHANNELS=8
 #
 # Companion Chips
 #
-# CONFIG_HD6446X_SERIES is not set
+
+#
+# Additional SuperH Device Drivers
+#
+# CONFIG_HEARTBEAT is not set
+# CONFIG_PUSH_SWITCH is not set
 
 #
 # Kernel features
 #
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
 # CONFIG_KEXEC is not set
-# CONFIG_SMP is not set
+# CONFIG_CRASH_DUMP is not set
+# CONFIG_SECCOMP is not set
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
+CONFIG_GUSA=y
+# CONFIG_GUSA_RB is not set
 
 #
 # Boot options
@@ -257,17 +293,10 @@ CONFIG_PCI=y
 CONFIG_SH_PCIDMA_NONCOHERENT=y
 CONFIG_PCI_AUTO=y
 CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
-# CONFIG_PCI_MULTITHREAD_PROBE is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_PCI_LEGACY=y
 # CONFIG_PCI_DEBUG is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
 # CONFIG_PCCARD is not set
-
-#
-# PCI Hotplug Support
-#
 CONFIG_HOTPLUG_PCI=y
 # CONFIG_HOTPLUG_PCI_FAKE is not set
 # CONFIG_HOTPLUG_PCI_CPCI is not set
@@ -277,30 +306,25 @@ CONFIG_HOTPLUG_PCI=y
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_FLAT is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_HAVE_AOUT is not set
 # CONFIG_BINFMT_MISC is not set
-
-#
-# Power management options (EXPERIMENTAL)
-#
-# CONFIG_PM is not set
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
 # Networking options
 #
-# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=y
 CONFIG_NET_KEY=y
+# CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_ADVANCED_ROUTER=y
@@ -308,13 +332,7 @@ CONFIG_ASK_IP_FIB_HASH=y
 # CONFIG_IP_FIB_TRIE is not set
 CONFIG_IP_FIB_HASH=y
 CONFIG_IP_MULTIPLE_TABLES=y
-# CONFIG_IP_ROUTE_FWMARK is not set
 CONFIG_IP_ROUTE_MULTIPATH=y
-CONFIG_IP_ROUTE_MULTIPATH_CACHED=y
-CONFIG_IP_ROUTE_MULTIPATH_RR=m
-CONFIG_IP_ROUTE_MULTIPATH_RANDOM=m
-CONFIG_IP_ROUTE_MULTIPATH_WRANDOM=m
-CONFIG_IP_ROUTE_MULTIPATH_DRR=m
 # CONFIG_IP_ROUTE_VERBOSE is not set
 CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
@@ -336,19 +354,17 @@ CONFIG_INET_TUNNEL=y
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_TCP_DIAG=m
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
-
-#
-# IP: Virtual Server Configuration
-#
-# CONFIG_IP_VS is not set
+# CONFIG_TCP_MD5SIG is not set
 CONFIG_IPV6=y
 CONFIG_IPV6_PRIVACY=y
 # CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
 CONFIG_INET6_AH=y
 CONFIG_INET6_ESP=y
 CONFIG_INET6_IPCOMP=y
@@ -360,11 +376,14 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=y
 CONFIG_INET6_XFRM_MODE_BEET=y
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 CONFIG_IPV6_SIT=m
+CONFIG_IPV6_NDISC_NODETYPE=y
 CONFIG_IPV6_TUNNEL=y
 # CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
 # CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
 CONFIG_BRIDGE_NETFILTER=y
 
 #
@@ -373,134 +392,95 @@ CONFIG_BRIDGE_NETFILTER=y
 CONFIG_NETFILTER_NETLINK=m
 CONFIG_NETFILTER_NETLINK_QUEUE=m
 CONFIG_NETFILTER_NETLINK_LOG=m
+# CONFIG_NF_CONNTRACK is not set
 CONFIG_NETFILTER_XTABLES=m
 CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
-CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
 # CONFIG_NETFILTER_XT_TARGET_DSCP is not set
 CONFIG_NETFILTER_XT_TARGET_MARK=m
+# CONFIG_NETFILTER_XT_TARGET_NFLOG is not set
 CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
-CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
+# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
+# CONFIG_NETFILTER_XT_TARGET_TRACE is not set
+# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
+# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
 CONFIG_NETFILTER_XT_MATCH_COMMENT=m
-CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
-CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
-CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
 CONFIG_NETFILTER_XT_MATCH_DCCP=m
 # CONFIG_NETFILTER_XT_MATCH_DSCP is not set
 CONFIG_NETFILTER_XT_MATCH_ESP=m
-CONFIG_NETFILTER_XT_MATCH_HELPER=m
+# CONFIG_NETFILTER_XT_MATCH_HASHLIMIT is not set
+# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
 CONFIG_NETFILTER_XT_MATCH_LENGTH=m
 CONFIG_NETFILTER_XT_MATCH_LIMIT=m
 CONFIG_NETFILTER_XT_MATCH_MAC=m
 CONFIG_NETFILTER_XT_MATCH_MARK=m
-CONFIG_NETFILTER_XT_MATCH_POLICY=m
 CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
 CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
 CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
 # CONFIG_NETFILTER_XT_MATCH_QUOTA is not set
+# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
 CONFIG_NETFILTER_XT_MATCH_REALM=m
+# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
 CONFIG_NETFILTER_XT_MATCH_SCTP=m
-CONFIG_NETFILTER_XT_MATCH_STATE=m
 # CONFIG_NETFILTER_XT_MATCH_STATISTIC is not set
 CONFIG_NETFILTER_XT_MATCH_STRING=m
 CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+# CONFIG_NETFILTER_XT_MATCH_TIME is not set
+# CONFIG_NETFILTER_XT_MATCH_U32 is not set
+# CONFIG_IP_VS is not set
 
 #
 # IP: Netfilter Configuration
 #
-CONFIG_IP_NF_CONNTRACK=m
-CONFIG_IP_NF_CT_ACCT=y
-CONFIG_IP_NF_CONNTRACK_MARK=y
-CONFIG_IP_NF_CONNTRACK_EVENTS=y
-CONFIG_IP_NF_CONNTRACK_NETLINK=m
-# CONFIG_IP_NF_CT_PROTO_SCTP is not set
-CONFIG_IP_NF_FTP=m
-CONFIG_IP_NF_IRC=m
-CONFIG_IP_NF_NETBIOS_NS=m
-CONFIG_IP_NF_TFTP=m
-# CONFIG_IP_NF_AMANDA is not set
-CONFIG_IP_NF_PPTP=m
-CONFIG_IP_NF_H323=m
-# CONFIG_IP_NF_SIP is not set
+# CONFIG_NF_DEFRAG_IPV4 is not set
 CONFIG_IP_NF_QUEUE=m
 CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
 CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_ECN=m
 CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
 CONFIG_IP_NF_FILTER=m
 CONFIG_IP_NF_TARGET_REJECT=m
 CONFIG_IP_NF_TARGET_LOG=m
 CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
-CONFIG_IP_NF_TARGET_NETMAP=m
-CONFIG_IP_NF_TARGET_SAME=m
-CONFIG_IP_NF_NAT_SNMP_BASIC=m
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_PPTP=m
-CONFIG_IP_NF_NAT_H323=m
 CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_TOS=m
 CONFIG_IP_NF_TARGET_ECN=m
 CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_TARGET_CLUSTERIP=m
 CONFIG_IP_NF_RAW=m
 CONFIG_IP_NF_ARPTABLES=m
 CONFIG_IP_NF_ARPFILTER=m
 CONFIG_IP_NF_ARP_MANGLE=m
 
 #
-# IPv6: Netfilter Configuration (EXPERIMENTAL)
+# IPv6: Netfilter Configuration
 #
 CONFIG_IP6_NF_QUEUE=m
 CONFIG_IP6_NF_IPTABLES=m
-CONFIG_IP6_NF_MATCH_RT=m
-CONFIG_IP6_NF_MATCH_OPTS=m
+CONFIG_IP6_NF_MATCH_AH=m
+CONFIG_IP6_NF_MATCH_EUI64=m
 CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_OPTS=m
 CONFIG_IP6_NF_MATCH_HL=m
-CONFIG_IP6_NF_MATCH_OWNER=m
 CONFIG_IP6_NF_MATCH_IPV6HEADER=m
-CONFIG_IP6_NF_MATCH_AH=m
-CONFIG_IP6_NF_MATCH_EUI64=m
-CONFIG_IP6_NF_FILTER=m
+# CONFIG_IP6_NF_MATCH_MH is not set
+CONFIG_IP6_NF_MATCH_RT=m
 CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_FILTER=m
 CONFIG_IP6_NF_TARGET_REJECT=m
 CONFIG_IP6_NF_MANGLE=m
 CONFIG_IP6_NF_TARGET_HL=m
 CONFIG_IP6_NF_RAW=m
-
-#
-# Bridge: Netfilter Configuration
-#
 # CONFIG_BRIDGE_NF_EBTABLES is not set
-
-#
-# DCCP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_DCCP is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
 # CONFIG_IP_SCTP is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
+CONFIG_STP=y
 CONFIG_BRIDGE=y
+# CONFIG_NET_DSA is not set
 CONFIG_VLAN_8021Q=y
+# CONFIG_VLAN_8021Q_GVRP is not set
 # CONFIG_DECNET is not set
 CONFIG_LLC=y
 # CONFIG_LLC2 is not set
@@ -510,14 +490,7 @@ CONFIG_LLC=y
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
 CONFIG_NET_SCHED=y
-CONFIG_NET_SCH_CLK_JIFFIES=y
-# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set
-# CONFIG_NET_SCH_CLK_CPU is not set
 
 #
 # Queueing/Scheduling
@@ -526,6 +499,7 @@ CONFIG_NET_SCH_CBQ=m
 CONFIG_NET_SCH_HTB=m
 CONFIG_NET_SCH_HFSC=m
 CONFIG_NET_SCH_PRIO=m
+# CONFIG_NET_SCH_MULTIQ is not set
 CONFIG_NET_SCH_RED=m
 CONFIG_NET_SCH_SFQ=m
 CONFIG_NET_SCH_TEQL=m
@@ -549,6 +523,7 @@ CONFIG_CLS_U32_PERF=y
 CONFIG_CLS_U32_MARK=y
 CONFIG_NET_CLS_RSVP=m
 CONFIG_NET_CLS_RSVP6=m
+# CONFIG_NET_CLS_FLOW is not set
 CONFIG_NET_EMATCH=y
 CONFIG_NET_EMATCH_STACK=32
 CONFIG_NET_EMATCH_CMP=m
@@ -562,27 +537,37 @@ CONFIG_NET_ACT_GACT=m
 CONFIG_GACT_PROB=y
 CONFIG_NET_ACT_MIRRED=m
 CONFIG_NET_ACT_IPT=m
+# CONFIG_NET_ACT_NAT is not set
 CONFIG_NET_ACT_PEDIT=m
 # CONFIG_NET_ACT_SIMP is not set
+# CONFIG_NET_ACT_SKBEDIT is not set
 CONFIG_NET_CLS_IND=y
-CONFIG_NET_ESTIMATOR=y
+CONFIG_NET_SCH_FIFO=y
 
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_PHONET is not set
+CONFIG_FIB_RULES=y
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_WIRELESS_OLD_REGULATORY is not set
+CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
+# CONFIG_MAC80211 is not set
 CONFIG_IEEE80211=y
 # CONFIG_IEEE80211_DEBUG is not set
 CONFIG_IEEE80211_CRYPT_WEP=y
 CONFIG_IEEE80211_CRYPT_CCMP=y
 CONFIG_IEEE80211_CRYPT_TKIP=y
-CONFIG_IEEE80211_SOFTMAC=m
-# CONFIG_IEEE80211_SOFTMAC_DEBUG is not set
-CONFIG_WIRELESS_EXT=y
-CONFIG_FIB_RULES=y
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -591,20 +576,16 @@ CONFIG_FIB_RULES=y
 #
 # Generic Driver Options
 #
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=m
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
-
-#
-# Connector - unified userspace <-> kernelspace linker
-#
 CONFIG_CONNECTOR=m
-
-#
-# Memory Technology Devices (MTD)
-#
 CONFIG_MTD=m
 CONFIG_MTD_DEBUG=y
 CONFIG_MTD_DEBUG_VERBOSE=0
@@ -615,6 +596,7 @@ CONFIG_MTD_DEBUG_VERBOSE=0
 # User Modules And Translation Layers
 #
 CONFIG_MTD_CHAR=m
+CONFIG_MTD_BLKDEVS=m
 CONFIG_MTD_BLOCK=m
 # CONFIG_MTD_BLOCK_RO is not set
 CONFIG_FTL=m
@@ -623,6 +605,7 @@ CONFIG_NFTL=m
 CONFIG_INFTL=m
 CONFIG_RFD_FTL=m
 # CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
 
 #
 # RAM/ROM/Flash chip drivers
@@ -644,16 +627,17 @@ CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_CFI_INTELEXT is not set
 # CONFIG_MTD_CFI_AMDSTD is not set
 # CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=m
 # CONFIG_MTD_RAM is not set
 # CONFIG_MTD_ROM is not set
 # CONFIG_MTD_ABSENT is not set
-# CONFIG_MTD_OBSOLETE_CHIPS is not set
 
 #
 # Mapping drivers for chip access
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 # CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_INTEL_VR_NOR is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -671,34 +655,23 @@ CONFIG_MTD_CFI_I2=y
 # CONFIG_MTD_DOC2000 is not set
 # CONFIG_MTD_DOC2001 is not set
 # CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
 CONFIG_MTD_NAND=m
 # CONFIG_MTD_NAND_VERIFY_WRITE is not set
 # CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
 CONFIG_MTD_NAND_IDS=m
 # CONFIG_MTD_NAND_DISKONCHIP is not set
-
-#
-# OneNAND Flash Device Drivers
-#
+# CONFIG_MTD_NAND_CAFE is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
 # CONFIG_MTD_ONENAND is not set
 
 #
-# Parallel port support
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
 # CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
-# CONFIG_BLK_CPQ_DA is not set
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_CPQ_CISS_DA is not set
 # CONFIG_BLK_DEV_DAC960 is not set
 # CONFIG_BLK_DEV_UMEM is not set
@@ -711,20 +684,18 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
-CONFIG_BLK_DEV_INITRD=y
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 CONFIG_ATA_OVER_ETH=m
-
-#
-# Misc devices
-#
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_PHANTOM is not set
+# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
+CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
 #
@@ -732,6 +703,8 @@ CONFIG_ATA_OVER_ETH=m
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
 # CONFIG_SCSI_NETLINK is not set
 CONFIG_SCSI_PROC_FS=y
 
@@ -752,6 +725,8 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_MULTI_LUN is not set
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
 
 #
 # SCSI Transports
@@ -759,12 +734,9 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_SPI_ATTRS is not set
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
-
-#
-# SCSI low-level drivers
-#
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
 # CONFIG_SCSI_3W_9XXX is not set
@@ -774,7 +746,6 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
 # CONFIG_SCSI_AIC94XX is not set
-# CONFIG_SCSI_DPT_I2O is not set
 # CONFIG_SCSI_ARCMSR is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
@@ -785,6 +756,7 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
 # CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
@@ -795,53 +767,31 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
-
-#
-# Serial ATA (prod) and Parallel ATA (experimental) drivers
-#
+# CONFIG_SCSI_SRP is not set
+# CONFIG_SCSI_DH is not set
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
 # CONFIG_FUSION is not set
-# CONFIG_FUSION_SPI is not set
-# CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
 
 #
 # IEEE 1394 (FireWire) support
 #
-# CONFIG_IEEE1394 is not set
 
 #
-# I2O device support
+# Enable only one of the two stacks, unless you know what you are doing
 #
+# CONFIG_FIREWIRE is not set
+# CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
 # CONFIG_IFB is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 CONFIG_TUN=m
-
-#
-# ARCnet devices
-#
+# CONFIG_VETH is not set
 # CONFIG_ARCNET is not set
-
-#
-# PHY device support
-#
 CONFIG_PHYLIB=m
 
 #
@@ -854,32 +804,35 @@ CONFIG_LXT_PHY=m
 CONFIG_CICADA_PHY=m
 # CONFIG_VITESSE_PHY is not set
 # CONFIG_SMSC_PHY is not set
-# CONFIG_FIXED_PHY is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
+# CONFIG_AX88796 is not set
 # CONFIG_STNIC is not set
 # CONFIG_HAPPYMEAL is not set
 # CONFIG_SUNGEM is not set
 # CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
 # CONFIG_SMC91X is not set
-
-#
-# Tulip family network device support
-#
+# CONFIG_SMC911X is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
 # CONFIG_B44 is not set
 # CONFIG_FORCEDETH is not set
-# CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 # CONFIG_E100 is not set
 # CONFIG_FEALNX is not set
@@ -891,18 +844,21 @@ CONFIG_8139TOO=y
 CONFIG_8139TOO_TUNE_TWISTER=y
 # CONFIG_8139TOO_8129 is not set
 CONFIG_8139_OLD_RX_RESET=y
+# CONFIG_R6040 is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
-
-#
-# Ethernet (1000 Mbit)
-#
+# CONFIG_SC92031 is not set
+# CONFIG_ATL2 is not set
+CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 # CONFIG_E1000 is not set
+# CONFIG_E1000E is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
@@ -910,63 +866,56 @@ CONFIG_8139_OLD_RX_RESET=y
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 # CONFIG_SKY2 is not set
-# CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
 # CONFIG_BNX2 is not set
 # CONFIG_QLA3XXX is not set
-
-#
-# Ethernet (10000 Mbit)
-#
+# CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
+# CONFIG_JME is not set
+CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
+# CONFIG_CHELSIO_T3 is not set
+# CONFIG_ENIC is not set
+# CONFIG_IXGBE is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
 # CONFIG_MYRI10GE is not set
-
-#
-# Token Ring devices
-#
+# CONFIG_NETXEN_NIC is not set
+# CONFIG_NIU is not set
+# CONFIG_MLX4_CORE is not set
+# CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
+# CONFIG_QLGE is not set
+# CONFIG_SFC is not set
 # CONFIG_TR is not set
 
 #
-# Wireless LAN (non-hamradio)
-#
-CONFIG_NET_RADIO=y
-CONFIG_NET_WIRELESS_RTNETLINK=y
-
-#
-# Obsolete Wireless cards support (pre-802.11)
-#
-# CONFIG_STRIP is not set
-
-#
-# Wireless 802.11b ISA/PCI cards support
-#
-# CONFIG_IPW2100 is not set
-# CONFIG_IPW2200 is not set
-# CONFIG_HERMES is not set
-# CONFIG_ATMEL is not set
-
-#
-# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support
+# Wireless LAN
 #
-CONFIG_PRISM54=m
-# CONFIG_USB_ZD1201 is not set
-# CONFIG_HOSTAP is not set
-CONFIG_BCM43XX=m
-CONFIG_BCM43XX_DEBUG=y
-CONFIG_BCM43XX_DMA=y
-CONFIG_BCM43XX_PIO=y
-CONFIG_BCM43XX_DMA_AND_PIO_MODE=y
-# CONFIG_BCM43XX_DMA_MODE is not set
-# CONFIG_BCM43XX_PIO_MODE is not set
-# CONFIG_ZD1211RW is not set
-CONFIG_NET_WIRELESS=y
+# CONFIG_WLAN_PRE80211 is not set
+# CONFIG_WLAN_80211 is not set
+# CONFIG_IWLWIFI_LEDS is not set
 
 #
-# Wan interfaces
+# USB Network Adapters
 #
+CONFIG_USB_CATC=m
+CONFIG_USB_KAWETH=m
+CONFIG_USB_PEGASUS=m
+CONFIG_USB_RTL8150=m
+CONFIG_USB_USBNET=m
+CONFIG_USB_NET_AX8817X=m
+CONFIG_USB_NET_CDCETHER=m
+# CONFIG_USB_NET_DM9601 is not set
+# CONFIG_USB_NET_SMSC95XX is not set
+# CONFIG_USB_NET_GL620A is not set
+CONFIG_USB_NET_NET1080=m
+CONFIG_USB_NET_PLUSB=m
+# CONFIG_USB_NET_MCS7830 is not set
+# CONFIG_USB_NET_RNDIS_HOST is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+CONFIG_USB_NET_ZAURUS=m
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
@@ -979,25 +928,17 @@ CONFIG_PPP_DEFLATE=m
 CONFIG_PPP_BSDCOMP=m
 CONFIG_PPP_MPPE=m
 CONFIG_PPPOE=m
+# CONFIG_PPPOL2TP is not set
 CONFIG_SLIP=m
 CONFIG_SLIP_COMPRESSED=y
 CONFIG_SLHC=m
 CONFIG_SLIP_SMART=y
 # CONFIG_SLIP_MODE_SLIP6 is not set
 # CONFIG_NET_FC is not set
-# CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -1005,6 +946,7 @@ CONFIG_SLIP_SMART=y
 #
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
 
 #
 # Userland interfaces
@@ -1014,7 +956,6 @@ CONFIG_INPUT_MOUSEDEV=y
 CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
 # CONFIG_INPUT_EVDEV is not set
 # CONFIG_INPUT_EVBUG is not set
 
@@ -1024,6 +965,7 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
 # CONFIG_INPUT_MISC is not set
 
@@ -1037,10 +979,13 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
 # CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
 
 #
 # Serial drivers
@@ -1059,15 +1004,36 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
+CONFIG_HW_RANDOM=y
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_DEVPORT=y
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_I5K_AMB is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_SIS5595 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_VIA686A is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_VT8231 is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
+# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -1075,6 +1041,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_ALIM7101_WDT is not set
 CONFIG_SH_WDT=m
 # CONFIG_SH_WDT_MMAP is not set
 
@@ -1088,113 +1055,121 @@ CONFIG_SH_WDT=m
 # USB-based Watchdog Cards
 #
 # CONFIG_USBPCWATCHDOG is not set
-CONFIG_HW_RANDOM=y
-# CONFIG_GEN_RTC is not set
-# CONFIG_DTLK is not set
-# CONFIG_R3964 is not set
-# CONFIG_APPLICOM is not set
 
 #
-# Ftape, the floppy tape device driver
+# Sonics Silicon Backplane
 #
-# CONFIG_DRM is not set
-# CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
-# CONFIG_TCG_TPM is not set
+CONFIG_SSB_POSSIBLE=y
+# CONFIG_SSB is not set
 
 #
-# I2C support
+# Multifunction device drivers
 #
-# CONFIG_I2C is not set
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_WM8400 is not set
 
 #
-# SPI support
+# Multimedia devices
 #
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
 
 #
-# Dallas's 1-wire bus
+# Multimedia core support
 #
-# CONFIG_W1 is not set
+# CONFIG_VIDEO_DEV is not set
+# CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
-# Hardware Monitoring support
+# Multimedia drivers
 #
-CONFIG_HWMON=y
-# CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_ABITUGURU is not set
-# CONFIG_SENSORS_F71805F is not set
-# CONFIG_SENSORS_VT1211 is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_DAB is not set
 
 #
-# Multimedia devices
+# Graphics support
 #
-# CONFIG_VIDEO_DEV is not set
+# CONFIG_DRM is not set
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
-# Digital Video Broadcasting Devices
+# Display device support
 #
-# CONFIG_DVB is not set
-# CONFIG_USB_DABUSB is not set
+# CONFIG_DISPLAY_SUPPORT is not set
 
 #
-# Graphics support
+# Console display driver support
 #
-CONFIG_FIRMWARE_EDID=y
-# CONFIG_FB is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HID_DEBUG is not set
+# CONFIG_HIDRAW is not set
 
 #
-# Console display driver support
+# USB Input Devices
 #
-CONFIG_DUMMY_CONSOLE=y
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+# CONFIG_USB_HID is not set
+# CONFIG_HID_PID is not set
 
 #
-# Sound
+# USB HID Boot Protocol drivers
 #
-# CONFIG_SOUND is not set
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
 
 #
-# USB support
+# Special HID drivers
 #
+CONFIG_HID_COMPAT=y
+CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
 
 #
 # Miscellaneous USB options
 #
 CONFIG_USB_DEVICEFS=y
-# CONFIG_USB_BANDWIDTH is not set
+CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
 #
+# CONFIG_USB_C67X00_HCD is not set
 CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_SPLIT_ISO=y
 CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_EHCI_TT_NEWSCHED=y
 # CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
 CONFIG_USB_OHCI_HCD=y
-# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
 CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_UHCI_HCD is not set
 # CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
 
 #
 # USB Device Class drivers
 #
 CONFIG_USB_ACM=m
 CONFIG_USB_PRINTER=m
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1207,76 +1182,34 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
 # CONFIG_USB_STORAGE_DPCM is not set
 # CONFIG_USB_STORAGE_USBAT is not set
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
 # CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 # CONFIG_USB_LIBUSUAL is not set
 
-#
-# USB Input Devices
-#
-# CONFIG_USB_HID is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-# CONFIG_USB_KBD is not set
-# CONFIG_USB_MOUSE is not set
-# CONFIG_USB_AIPTEK is not set
-# CONFIG_USB_WACOM is not set
-# CONFIG_USB_ACECAD is not set
-# CONFIG_USB_KBTAB is not set
-# CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_TOUCHSCREEN is not set
-# CONFIG_USB_YEALINK is not set
-# CONFIG_USB_XPAD is not set
-# CONFIG_USB_ATI_REMOTE is not set
-# CONFIG_USB_ATI_REMOTE2 is not set
-# CONFIG_USB_KEYSPAN_REMOTE is not set
-# CONFIG_USB_APPLETOUCH is not set
-
 #
 # USB Imaging devices
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
 
-#
-# USB Network Adapters
-#
-CONFIG_USB_CATC=m
-CONFIG_USB_KAWETH=m
-CONFIG_USB_PEGASUS=m
-CONFIG_USB_RTL8150=m
-CONFIG_USB_USBNET=m
-CONFIG_USB_NET_AX8817X=m
-CONFIG_USB_NET_CDCETHER=m
-# CONFIG_USB_NET_GL620A is not set
-CONFIG_USB_NET_NET1080=m
-CONFIG_USB_NET_PLUSB=m
-# CONFIG_USB_NET_MCS7830 is not set
-# CONFIG_USB_NET_RNDIS_HOST is not set
-# CONFIG_USB_NET_CDC_SUBSET is not set
-CONFIG_USB_NET_ZAURUS=m
-CONFIG_USB_MON=y
-
 #
 # USB port drivers
 #
-
-#
-# USB Serial Converter support
-#
 CONFIG_USB_SERIAL=m
+# CONFIG_USB_EZUSB is not set
 CONFIG_USB_SERIAL_GENERIC=y
 # CONFIG_USB_SERIAL_AIRCABLE is not set
-# CONFIG_USB_SERIAL_AIRPRIME is not set
 CONFIG_USB_SERIAL_ARK3116=m
 # CONFIG_USB_SERIAL_BELKIN is not set
+# CONFIG_USB_SERIAL_CH341 is not set
 # CONFIG_USB_SERIAL_WHITEHEAT is not set
 # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
 # CONFIG_USB_SERIAL_CP2101 is not set
@@ -1291,6 +1224,7 @@ CONFIG_USB_SERIAL_ARK3116=m
 # CONFIG_USB_SERIAL_EDGEPORT_TI is not set
 # CONFIG_USB_SERIAL_GARMIN is not set
 # CONFIG_USB_SERIAL_IPW is not set
+# CONFIG_USB_SERIAL_IUU is not set
 # CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
 # CONFIG_USB_SERIAL_KEYSPAN is not set
 # CONFIG_USB_SERIAL_KLSI is not set
@@ -1298,8 +1232,11 @@ CONFIG_USB_SERIAL_ARK3116=m
 # CONFIG_USB_SERIAL_MCT_U232 is not set
 # CONFIG_USB_SERIAL_MOS7720 is not set
 # CONFIG_USB_SERIAL_MOS7840 is not set
+# CONFIG_USB_SERIAL_MOTOROLA is not set
 # CONFIG_USB_SERIAL_NAVMAN is not set
 CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_OTI6858 is not set
+# CONFIG_USB_SERIAL_SPCP8X5 is not set
 # CONFIG_USB_SERIAL_HP4X is not set
 # CONFIG_USB_SERIAL_SAFE is not set
 # CONFIG_USB_SERIAL_SIERRAWIRELESS is not set
@@ -1308,6 +1245,7 @@ CONFIG_USB_SERIAL_PL2303=m
 # CONFIG_USB_SERIAL_XIRCOM is not set
 # CONFIG_USB_SERIAL_OPTION is not set
 # CONFIG_USB_SERIAL_OMNINET is not set
+# CONFIG_USB_SERIAL_DEBUG is not set
 
 #
 # USB Miscellaneous drivers
@@ -1315,10 +1253,11 @@ CONFIG_USB_SERIAL_PL2303=m
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_SEVSEG is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -1329,80 +1268,53 @@ CONFIG_USB_SERIAL_PL2303=m
 # CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
-
-#
-# USB DSL modem support
-#
-
-#
-# USB Gadget Support
-#
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
+# CONFIG_ACCESSIBILITY is not set
 # CONFIG_INFINIBAND is not set
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
-
-#
-# Real Time Clock
-#
 CONFIG_RTC_LIB=m
 CONFIG_RTC_CLASS=m
 
 #
 # RTC interfaces
 #
-CONFIG_RTC_INTF_SYSFS=m
-CONFIG_RTC_INTF_PROC=m
-CONFIG_RTC_INTF_DEV=m
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
-
-#
-# RTC drivers
-#
-# CONFIG_RTC_DRV_DS1553 is not set
-# CONFIG_RTC_DRV_DS1742 is not set
-# CONFIG_RTC_DRV_M48T86 is not set
-CONFIG_RTC_DRV_SH=m
 # CONFIG_RTC_DRV_TEST is not set
-# CONFIG_RTC_DRV_V3020 is not set
 
 #
-# DMA Engine support
+# SPI RTC drivers
 #
-# CONFIG_DMA_ENGINE is not set
 
 #
-# DMA Clients
+# Platform RTC drivers
 #
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
 
 #
-# DMA Devices
+# on-CPU RTC drivers
 #
+CONFIG_RTC_DRV_SH=m
+# CONFIG_DMADEVICES is not set
+# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -1412,31 +1324,25 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
-CONFIG_EXT4DEV_FS=m
-# CONFIG_EXT4DEV_FS_XATTR is not set
+# CONFIG_EXT4_FS is not set
 CONFIG_JBD=y
-# CONFIG_JBD_DEBUG is not set
-CONFIG_JBD2=m
-# CONFIG_JBD2_DEBUG is not set
 CONFIG_REISERFS_FS=m
 # CONFIG_REISERFS_CHECK is not set
 # CONFIG_REISERFS_PROC_INFO is not set
 # CONFIG_REISERFS_FS_XATTR is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
+CONFIG_FILE_LOCKING=y
 CONFIG_XFS_FS=m
 # CONFIG_XFS_QUOTA is not set
-# CONFIG_XFS_SECURITY is not set
 # CONFIG_XFS_POSIX_ACL is not set
 # CONFIG_XFS_RT is not set
-# CONFIG_GFS2_FS is not set
+# CONFIG_XFS_DEBUG is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-CONFIG_ROMFS_FS=y
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
 CONFIG_FUSE_FS=m
@@ -1447,7 +1353,6 @@ CONFIG_FUSE_FS=m
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
 CONFIG_ZISOFS=y
-CONFIG_ZISOFS_FS=m
 CONFIG_UDF_FS=m
 CONFIG_UDF_NLS=y
 
@@ -1467,12 +1372,12 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
 CONFIG_CONFIGFS_FS=m
 
 #
@@ -1485,34 +1390,32 @@ CONFIG_CONFIGFS_FS=m
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
-# CONFIG_JFFS_FS is not set
 # CONFIG_JFFS2_FS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
+CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 # CONFIG_NFS_V3_ACL is not set
 # CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
+CONFIG_ROOT_NFS=y
 CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
 # CONFIG_NFSD_V3_ACL is not set
 # CONFIG_NFSD_V4 is not set
-CONFIG_NFSD_TCP=y
-CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
+# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1526,7 +1429,6 @@ CONFIG_CIFS_WEAK_PW_HASH=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-CONFIG_9P_FS=m
 
 #
 # Partition Types
@@ -1548,10 +1450,7 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SUN_PARTITION is not set
 # CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
+# CONFIG_SYSV68_PARTITION is not set
 CONFIG_NLS=m
 CONFIG_NLS_DEFAULT="iso8859-1"
 CONFIG_NLS_CODEPAGE_437=m
@@ -1592,101 +1491,180 @@ CONFIG_NLS_ISO8859_1=m
 # CONFIG_NLS_KOI8_R is not set
 # CONFIG_NLS_KOI8_U is not set
 CONFIG_NLS_UTF8=m
-
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
+# CONFIG_DLM is not set
 
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
 CONFIG_DEBUG_KERNEL=y
-CONFIG_LOG_BUF_SHIFT=16
+# CONFIG_DEBUG_SHIRQ is not set
 # CONFIG_DETECT_SOFTLOCKUP is not set
+CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
-# CONFIG_DEBUG_RWSEMS is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_INFO is not set
-# CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_FORCED_INLINING is not set
-# CONFIG_HEADERS_CHECK is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_NOP_TRACER=y
+CONFIG_HAVE_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_BOOT_TRACER is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_SAMPLES is not set
 # CONFIG_SH_STANDARD_BIOS is not set
 # CONFIG_EARLY_SCIF_CONSOLE is not set
-# CONFIG_EARLY_PRINTK is not set
+# CONFIG_DEBUG_BOOTMEM is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_4KSTACKS is not set
-# CONFIG_KGDB is not set
+# CONFIG_IRQSTACKS is not set
+# CONFIG_SH_KGDB is not set
 
 #
 # Security options
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
 
 #
-# Cryptographic options
+# Crypto core or helper
 #
-CONFIG_CRYPTO=y
+# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
 CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_RNG=y
 CONFIG_CRYPTO_MANAGER=y
-CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_GF128MUL is not set
 CONFIG_CRYPTO_NULL=m
+# CONFIG_CRYPTO_CRYPTD is not set
+CONFIG_CRYPTO_AUTHENC=y
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_XCBC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
 CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=y
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
-CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_TGR192=m
-CONFIG_CRYPTO_ECB=y
-CONFIG_CRYPTO_CBC=y
-CONFIG_CRYPTO_DES=y
-CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_TWOFISH_COMMON=m
-CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_WP512=m
+
+#
+# Ciphers
+#
 CONFIG_CRYPTO_AES=y
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_ARC4=y
+CONFIG_CRYPTO_BLOWFISH=m
+# CONFIG_CRYPTO_CAMELLIA is not set
 CONFIG_CRYPTO_CAST5=m
 CONFIG_CRYPTO_CAST6=m
-CONFIG_CRYPTO_TEA=m
-CONFIG_CRYPTO_ARC4=y
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
 CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_ANUBIS=m
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+
+#
+# Compression
+#
 CONFIG_CRYPTO_DEFLATE=y
-CONFIG_CRYPTO_MICHAEL_MIC=y
-CONFIG_CRYPTO_CRC32C=m
-# CONFIG_CRYPTO_TEST is not set
+# CONFIG_CRYPTO_LZO is not set
 
 #
-# Hardware crypto devices
+# Random Number Generation
 #
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
 
 #
 # Library routines
 #
+CONFIG_BITREVERSE=y
 CONFIG_CRC_CCITT=m
 CONFIG_CRC16=m
+# CONFIG_CRC_T10DIF is not set
+CONFIG_CRC_ITU_T=m
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
@@ -1695,3 +1673,6 @@ CONFIG_TEXTSEARCH_KMP=m
 CONFIG_TEXTSEARCH_BM=m
 CONFIG_TEXTSEARCH_FSM=m
 CONFIG_PLIST=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
-- 
GitLab


From d2f6f7aeee890df445be29a60e34925ec15f620c Mon Sep 17 00:00:00 2001
From: Andi Kleen <andi@firstfloor.org>
Date: Tue, 21 Oct 2008 22:45:22 +0200
Subject: [PATCH 1813/2224] MCE: Don't run 32bit machine checks with interrupts
 on

Running machine checks with interrupt on is a extremly bad idea. The machine
check handler only runs when the system is broken and needs to finish
as quickly as possible.

Remove the respective bogus post 2.6.27 regression and call
the machine check vector directly again.

This removes only code.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
[Cherry-picked from x86/mce]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/entry_32.S | 2 +-
 arch/x86/kernel/traps.c    | 8 --------
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index c356423a602..dd65143941a 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1024,7 +1024,7 @@ ENTRY(machine_check)
 	RING0_INT_FRAME
 	pushl $0
 	CFI_ADJUST_CFA_OFFSET 4
-	pushl $do_machine_check
+	pushl machine_check_vector
 	CFI_ADJUST_CFA_OFFSET 4
 	jmp error_code
 	CFI_ENDPROC
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index e062974cce3..04d242ab016 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -931,14 +931,6 @@ do_device_not_available(struct pt_regs *regs, long error)
 }
 
 #ifdef CONFIG_X86_32
-#ifdef CONFIG_X86_MCE
-dotraplinkage void __kprobes do_machine_check(struct pt_regs *regs, long error)
-{
-	conditional_sti(regs);
-	machine_check_vector(regs, error);
-}
-#endif
-
 dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code)
 {
 	siginfo_t info;
-- 
GitLab


From bd28bdb18f1028f8f0a3f83291336529b2cb5b7a Mon Sep 17 00:00:00 2001
From: Jon Smirl <jonsmirl@gmail.com>
Date: Sat, 18 Oct 2008 11:40:59 +0000
Subject: [PATCH 1814/2224] [netdrvr] fec_mpc52xx: Implement polling, to make
 netconsole work.

Implement polling for 5200FEC to make netconsole work. Tested on
Phytec pcm030 and Efika.

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/net/fec_mpc52xx.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 4e4f68304e8..aec3b97e794 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -401,6 +401,21 @@ static int mpc52xx_fec_hard_start_xmit(struct sk_buff *skb, struct net_device *d
 	return 0;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void mpc52xx_fec_poll_controller(struct net_device *dev)
+{
+	struct mpc52xx_fec_priv *priv = netdev_priv(dev);
+
+	disable_irq(priv->t_irq);
+	mpc52xx_fec_tx_interrupt(priv->t_irq, dev);
+	enable_irq(priv->t_irq);
+	disable_irq(priv->r_irq);
+	mpc52xx_fec_rx_interrupt(priv->r_irq, dev);
+	enable_irq(priv->r_irq);
+}
+#endif
+
+
 /* This handles BestComm transmit task interrupts
  */
 static irqreturn_t mpc52xx_fec_tx_interrupt(int irq, void *dev_id)
@@ -926,6 +941,9 @@ mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match)
 	ndev->tx_timeout	= mpc52xx_fec_tx_timeout;
 	ndev->watchdog_timeo	= FEC_WATCHDOG_TIMEOUT;
 	ndev->base_addr		= mem.start;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	ndev->poll_controller = mpc52xx_fec_poll_controller;
+#endif
 
 	priv->t_irq = priv->r_irq = ndev->irq = NO_IRQ; /* IRQ are free for now */
 
-- 
GitLab


From cf52ebedba77ee494b495dedd3a1f55944611275 Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Fri, 17 Oct 2008 17:00:13 -0400
Subject: [PATCH 1815/2224] x86, kexec: fix hang on i386 when panic occurs
 while console_sem is held

There's a corner case in 32 bit x86 kdump at the moment.  When the box
panics via nmi, we call bust_spinlocks(1) to disable sensitivity to the
console_sem (allowing us to print to the console in all cases), but we don't
call crash_kexec, until after we call bust_spinlocks(0), which re-enables
console_sem sensitivity.

The result is that, if we get an nmi while the console_sem is held and
kdump is configured, and we try to print something to the console during
kdump shutdown (which we often do) we deadlock the box.  The fix is to
simply do what 64 bit die_nmi does which is to not call bust_spinlocks(0)
until after we call crash_kexec.

Patch below tested successfully by me.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/dumpstack_32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 1a78180f08d..b3614752197 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -405,7 +405,6 @@ die_nmi(char *str, struct pt_regs *regs, int do_panic)
 		panic("Non maskable interrupt");
 	console_silent();
 	spin_unlock(&nmi_print_lock);
-	bust_spinlocks(0);
 
 	/*
 	 * If we are in kernel we are probably nested up pretty bad
@@ -416,6 +415,7 @@ die_nmi(char *str, struct pt_regs *regs, int do_panic)
 		crash_kexec(regs);
 	}
 
+	bust_spinlocks(0);
 	do_exit(SIGSEGV);
 }
 
-- 
GitLab


From 35af28219e684a36cc8b1ff456c370ce22be157d Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann3@amd.com>
Date: Wed, 22 Oct 2008 13:08:31 +0200
Subject: [PATCH 1816/2224] x86: call dmi-quirks for HP Laptops after
 early-quirks are executed

Impact: make warning message disappear - functionality unchanged

Problems with bogus IRQ0 override of those laptops should be fixed
with commits

x86: SB600: skip IRQ0 override if it is not routed to INT2 of IOAPIC
x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC

that introduce early-quirks based on chipset configuration.

For further information, see
http://bugzilla.kernel.org/show_bug.cgi?id=11516

Instead of removing the related dmi-quirks completely we'd like to
keep them for (at least) one kernel version -- to double-check whether
the early-quirks really took effect. But the dmi-quirks need to be
called after early-quirks are executed. With this patch calling
sequence for dmi-quriks is changed as follows:

 acpi_boot_table_init()   (dmi-quirks)
 ...
 early_quirks()           (detect bogus IRQ0 override)
 ...
 acpi_boot_init()         (late dmi-quirks and setup IO APIC)

Note: Plan is to remove the "late dmi-quirks" with next kernel version.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/acpi/boot.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0d1c26a583c..8072edb6247 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1598,6 +1598,11 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
 		     DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 360"),
 		     },
 	 },
+	{}
+};
+
+/* second table for DMI checks that should run after early-quirks */
+static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
 	/*
 	 * HP laptops which use a DSDT reporting as HP/SB400/10000,
 	 * which includes some code which overrides all temperature
@@ -1726,6 +1731,9 @@ int __init early_acpi_boot_init(void)
 
 int __init acpi_boot_init(void)
 {
+	/* those are executed after early-quirks are executed */
+	dmi_check_system(acpi_dmi_table_late);
+
 	/*
 	 * If acpi_disabled, bail out
 	 * One exception: acpi=ht continues far enough to enumerate LAPICs
-- 
GitLab


From bc8bcc79ea4203c7d04309f1307ab88c86f0b0cf Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Wed, 22 Oct 2008 12:42:30 +0800
Subject: [PATCH 1817/2224] x86/proc: fix /proc/cpuinfo cpu offline bug

Impact: fix missing CPUs in /proc/cpuinfo after CPU hotunplug/hotreplug

In my test, I found that if a cpu has been offline,
the next cpus may not be shown in the /proc/cpuinfo.

if one read() cannot consume the whole /proc/cpuinfo,
c_start() will be called again in the next read() calls.
And *pos has been increased by 1 by the caller(seq_read()).
if this time the cpu#*pos is offline, c_start() will return
NULL, and the next cpus can not be shown.

this fix use next_cpu_nr(*pos - 1, cpu_online_map) to
search the next unshown cpu.

the most easy way to reproduce this bug:
1) offline cpu#1             (cpu#0 is online)
2) dd ibs=2 if=/proc/cpuinfo
   the result is that only cpu#0 is shown.
   cpu#2 and cpu#3 .... cannot be shown in /proc/cpuinfo
   it's bug.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/cpu/proc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index a26c480b949..01b1244ef1c 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -160,14 +160,16 @@ static void *c_start(struct seq_file *m, loff_t *pos)
 {
 	if (*pos == 0)	/* just in case, cpu 0 is not the first */
 		*pos = first_cpu(cpu_online_map);
-	if ((*pos) < nr_cpu_ids && cpu_online(*pos))
+	else
+		*pos = next_cpu_nr(*pos - 1, cpu_online_map);
+	if ((*pos) < nr_cpu_ids)
 		return &cpu_data(*pos);
 	return NULL;
 }
 
 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 {
-	*pos = next_cpu(*pos, cpu_online_map);
+	(*pos)++;
 	return c_start(m, pos);
 }
 
-- 
GitLab


From 8d433c407dea248c8db09edbc0b3c245977d596f Mon Sep 17 00:00:00 2001
From: Peter Oruba <peter.oruba@amd.com>
Date: Thu, 16 Oct 2008 18:43:48 +0200
Subject: [PATCH 1818/2224] x86: MAINTAINERS change for AMD microcode patch
 loader

Changed MAINTAINERS entry for AMD microcode patch loader.

Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 MAINTAINERS | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 5c3f79c2638..b0244fb59fe 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -378,8 +378,9 @@ T:	git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu.git
 S:	Supported
 
 AMD MICROCODE UPDATE SUPPORT
-P:      Peter Oruba
-M:      peter.oruba@amd.com
+P:      Andreas Herrmann
+M:      andeas.herrmann3@amd.com
+L:      amd64-microcode@amd64.org
 S:      Supported
 
 AMS (Apple Motion Sensor) DRIVER
-- 
GitLab


From db96b0a0e4158806fcf03945a870f9320e6bac9b Mon Sep 17 00:00:00 2001
From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Wed, 22 Oct 2008 18:00:09 +0400
Subject: [PATCH 1819/2224] x86: do_boot_cpu - check if we have ESR register

Impact: fix APIC IRQ irregularities on certain older boxes

We should touch the APIC ESR register if only we have it.

The patch fixes the problem mentioned by Max Kellermann:

	http://lkml.org/lkml/2008/10/17/147

Bisected-by: Max Kellermann <mk@cm4all.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
[ mingo@elte.hu: build fix ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/smpboot.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 7ece815ea63..7b109339731 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -893,9 +893,11 @@ do_rest:
 		smpboot_setup_warm_reset_vector(start_ip);
 		/*
 		 * Be paranoid about clearing APIC errors.
-	 	*/
-		apic_write(APIC_ESR, 0);
-		apic_read(APIC_ESR);
+		*/
+		if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+			apic_write(APIC_ESR, 0);
+			apic_read(APIC_ESR);
+		}
 	}
 
 	/*
-- 
GitLab


From 55410791c91f448737c90585d2e280edd3c4d5c7 Mon Sep 17 00:00:00 2001
From: "Gustavo F. Padovan" <gustavo@las.ic.unicamp.br>
Date: Wed, 15 Oct 2008 10:37:04 -0300
Subject: [PATCH 1820/2224] x86: remove redundant KERN_DEBUG on pr_debug

pr_debug don't need KERN_DEBUG.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/acpi/boot.c    | 2 +-
 arch/x86/kernel/setup_percpu.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 8072edb6247..dc3eac353db 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1136,7 +1136,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
 		return gsi;
 	}
 	if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) {
-		pr_debug(KERN_DEBUG "Pin %d-%d already programmed\n",
+		pr_debug("Pin %d-%d already programmed\n",
 			 mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
 #ifdef CONFIG_X86_32
 		return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]);
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 410c88f0bfe..ae0c0d3bb77 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -218,7 +218,7 @@ static void __init setup_node_to_cpumask_map(void)
 	/* allocate the map */
 	map = alloc_bootmem_low(nr_node_ids * sizeof(cpumask_t));
 
-	pr_debug(KERN_DEBUG "Node to cpumask map at %p for %d nodes\n",
+	pr_debug("Node to cpumask map at %p for %d nodes\n",
 		 map, nr_node_ids);
 
 	/* node_to_cpumask() will now work */
-- 
GitLab


From aef8f5b8c2da706cb3efe701e2a35e11221ea5bd Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Tue, 14 Oct 2008 21:43:43 -0700
Subject: [PATCH 1821/2224] x86/tlb_uv: remove strange mc146818rtc include

For some reason tlb_uv was including linux/mc146818rtc.h.  It really
just needs linux/seq_file.h

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citix.com>
Cc: Cliff Wickman <cpw@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/tlb_uv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index 8b8c0d6640f..04431f34fd1 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -6,7 +6,7 @@
  *	This code is released under the GNU General Public License version 2 or
  *	later.
  */
-#include <linux/mc146818rtc.h>
+#include <linux/seq_file.h>
 #include <linux/proc_fs.h>
 #include <linux/kernel.h>
 
-- 
GitLab


From 746e7cef1b3de5516e07f16a448f0d2a092e3d36 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@redhat.com>
Date: Mon, 13 Oct 2008 18:40:04 -0700
Subject: [PATCH 1822/2224] x86 syscall.h: fix argument order

Petr Tesarik noticed that I'd bungled the syscall_get_arguments code for
64-bit kernels, so it inverted the order of the syscall argument registers.
Petr wrote a patch to fix that, and I've amended it to fix the same braino
in the syscall_set_arguments code.

Original-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/asm-x86/syscall.h | 106 +++++++++++++++++++-------------------
 1 file changed, 54 insertions(+), 52 deletions(-)

diff --git a/include/asm-x86/syscall.h b/include/asm-x86/syscall.h
index 04c47dc5597..ec2a95e68e4 100644
--- a/include/asm-x86/syscall.h
+++ b/include/asm-x86/syscall.h
@@ -93,26 +93,26 @@ static inline void syscall_get_arguments(struct task_struct *task,
 {
 # ifdef CONFIG_IA32_EMULATION
 	if (task_thread_info(task)->status & TS_COMPAT)
-		switch (i + n) {
-		case 6:
+		switch (i) {
+		case 0:
 			if (!n--) break;
-			*args++ = regs->bp;
-		case 5:
+			*args++ = regs->bx;
+		case 1:
 			if (!n--) break;
-			*args++ = regs->di;
-		case 4:
+			*args++ = regs->cx;
+		case 2:
 			if (!n--) break;
-			*args++ = regs->si;
+			*args++ = regs->dx;
 		case 3:
 			if (!n--) break;
-			*args++ = regs->dx;
-		case 2:
+			*args++ = regs->si;
+		case 4:
 			if (!n--) break;
-			*args++ = regs->cx;
-		case 1:
+			*args++ = regs->di;
+		case 5:
 			if (!n--) break;
-			*args++ = regs->bx;
-		case 0:
+			*args++ = regs->bp;
+		case 6:
 			if (!n--) break;
 		default:
 			BUG();
@@ -120,26 +120,26 @@ static inline void syscall_get_arguments(struct task_struct *task,
 		}
 	else
 # endif
-		switch (i + n) {
-		case 6:
+		switch (i) {
+		case 0:
 			if (!n--) break;
-			*args++ = regs->r9;
-		case 5:
+			*args++ = regs->di;
+		case 1:
 			if (!n--) break;
-			*args++ = regs->r8;
-		case 4:
+			*args++ = regs->si;
+		case 2:
 			if (!n--) break;
-			*args++ = regs->r10;
+			*args++ = regs->dx;
 		case 3:
 			if (!n--) break;
-			*args++ = regs->dx;
-		case 2:
+			*args++ = regs->r10;
+		case 4:
 			if (!n--) break;
-			*args++ = regs->si;
-		case 1:
+			*args++ = regs->r8;
+		case 5:
 			if (!n--) break;
-			*args++ = regs->di;
-		case 0:
+			*args++ = regs->r9;
+		case 6:
 			if (!n--) break;
 		default:
 			BUG();
@@ -154,55 +154,57 @@ static inline void syscall_set_arguments(struct task_struct *task,
 {
 # ifdef CONFIG_IA32_EMULATION
 	if (task_thread_info(task)->status & TS_COMPAT)
-		switch (i + n) {
-		case 6:
+		switch (i) {
+		case 0:
 			if (!n--) break;
-			regs->bp = *args++;
-		case 5:
+			regs->bx = *args++;
+		case 1:
 			if (!n--) break;
-			regs->di = *args++;
-		case 4:
+			regs->cx = *args++;
+		case 2:
 			if (!n--) break;
-			regs->si = *args++;
+			regs->dx = *args++;
 		case 3:
 			if (!n--) break;
-			regs->dx = *args++;
-		case 2:
+			regs->si = *args++;
+		case 4:
 			if (!n--) break;
-			regs->cx = *args++;
-		case 1:
+			regs->di = *args++;
+		case 5:
 			if (!n--) break;
-			regs->bx = *args++;
-		case 0:
+			regs->bp = *args++;
+		case 6:
 			if (!n--) break;
 		default:
 			BUG();
+			break;
 		}
 	else
 # endif
-		switch (i + n) {
-		case 6:
+		switch (i) {
+		case 0:
 			if (!n--) break;
-			regs->r9 = *args++;
-		case 5:
+			regs->di = *args++;
+		case 1:
 			if (!n--) break;
-			regs->r8 = *args++;
-		case 4:
+			regs->si = *args++;
+		case 2:
 			if (!n--) break;
-			regs->r10 = *args++;
+			regs->dx = *args++;
 		case 3:
 			if (!n--) break;
-			regs->dx = *args++;
-		case 2:
+			regs->r10 = *args++;
+		case 4:
 			if (!n--) break;
-			regs->si = *args++;
-		case 1:
+			regs->r8 = *args++;
+		case 5:
 			if (!n--) break;
-			regs->di = *args++;
-		case 0:
+			regs->r9 = *args++;
+		case 6:
 			if (!n--) break;
 		default:
 			BUG();
+			break;
 		}
 }
 
-- 
GitLab


From 2cb0ebeeb664e6eefe06951709949203e04f7c7b Mon Sep 17 00:00:00 2001
From: Daniele Calore <orkaan@orkaan.org>
Date: Mon, 13 Oct 2008 10:34:12 +0200
Subject: [PATCH 1823/2224] x86: memtest fix use of reserve_early()

Hi all,

Wrong usage of 2nd parameter in reserve_early call.
66/75: reserve_early(start_bad, last_bad - start_bad, "BAD RAM");
                                ^^^^^^^^^^^^^^^^^^^^

The correct way is to use 'end' address and not 'size'.
As a bonus a fix to the printk format.

Signed-off-by: Daniele Calore <orkaan@orkaan.org>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/mm/memtest.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 672e17f8262..9cab18b0b85 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -61,9 +61,9 @@ static void __init memtest(unsigned long start_phys, unsigned long size,
 				last_bad += incr;
 			} else {
 				if (start_bad) {
-					printk(KERN_CONT "\n  %010lx bad mem addr %010lx - %010lx reserved",
+					printk(KERN_CONT "\n  %016lx bad mem addr %010lx - %010lx reserved",
 						val, start_bad, last_bad + incr);
-					reserve_early(start_bad, last_bad - start_bad, "BAD RAM");
+					reserve_early(start_bad, last_bad + incr, "BAD RAM");
 				}
 				start_bad = last_bad = start_phys_aligned;
 			}
@@ -72,9 +72,8 @@ static void __init memtest(unsigned long start_phys, unsigned long size,
 	if (start_bad) {
 		printk(KERN_CONT "\n  %016lx bad mem addr %010lx - %010lx reserved",
 			val, start_bad, last_bad + incr);
-		reserve_early(start_bad, last_bad - start_bad, "BAD RAM");
+		reserve_early(start_bad, last_bad + incr, "BAD RAM");
 	}
-
 }
 
 /* default is disabled */
-- 
GitLab


From 13095c37b29b90ec96070cb63400a79737b4a185 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 22 Oct 2008 13:27:49 +0100
Subject: [PATCH 1824/2224] ALSA: Ensure PXA runtime data is initialised

The rest of the code relies on the runtime data being zero initialised
so we need to use kzalloc() to allocate it.

Reported-by: Oliver Ford <ipaqlinux@oliford.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/arm/pxa2xx-pcm-lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 1c93eb77cb9..75a0d746fb6 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -194,7 +194,7 @@ int __pxa2xx_pcm_open(struct snd_pcm_substream *substream)
 		goto out;
 
 	ret = -ENOMEM;
-	rtd = kmalloc(sizeof(*rtd), GFP_KERNEL);
+	rtd = kzalloc(sizeof(*rtd), GFP_KERNEL);
 	if (!rtd)
 		goto out;
 	rtd->dma_desc_array =
-- 
GitLab


From 983f91ff949d9008eb7fb73ba4e35f9decc182b3 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 12 Oct 2008 11:44:08 +0200
Subject: [PATCH 1825/2224] x86: fix section mismatch warning - apic_flat

Impact: cleanup only, no functionality changed

WARNING: vmlinux.o(.data+0xbe08): Section mismatch in reference from the variable apic_flat to the function .init.text:flat_acpi_madt_oem_check()
The variable apic_flat references
the function __init flat_acpi_madt_oem_check()

This is harmless, because the .acpi_madt_oem_check is only called
during init time. But we keep the function pointer around in a .data
function pointer template, so it's better we do not keep that stale
- so mark this function non-__init.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/genapic_flat_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c
index 2ec2de8d8c4..a10ed42a35e 100644
--- a/arch/x86/kernel/genapic_flat_64.c
+++ b/arch/x86/kernel/genapic_flat_64.c
@@ -25,7 +25,7 @@
 #include <acpi/acpi_bus.h>
 #endif
 
-static int __init flat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int flat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
 	return 1;
 }
-- 
GitLab


From fae1721601a008fc83a809fdd76085a56f2275f0 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 12 Oct 2008 11:44:09 +0200
Subject: [PATCH 1826/2224] x86: fix section mismatch warning - apic_physflat

Impact: cleanup only, no functionality changed

WARNING: vmlinux.o(.data+0xbe88): Section mismatch in reference from the variable apic_physflat to the function .init.text:physflat_acpi_madt_oem_check()
The variable apic_physflat references
the function __init physflat_acpi_madt_oem_check()

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/genapic_flat_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c
index a10ed42a35e..c0262791bda 100644
--- a/arch/x86/kernel/genapic_flat_64.c
+++ b/arch/x86/kernel/genapic_flat_64.c
@@ -170,7 +170,7 @@ struct genapic apic_flat =  {
  * We cannot use logical delivery in this case because the mask
  * overflows, so use physical mode.
  */
-static int __init physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
 #ifdef CONFIG_ACPI
 	/*
-- 
GitLab


From f8827c017f19e1cd8834821f4303d5f163feab84 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 12 Oct 2008 11:44:10 +0200
Subject: [PATCH 1827/2224] x86: fix section mismatch warning -
 apic_x2apic_uv_x

Impact: cleanup only, no functionality changed

WARNING: vmlinux.o(.data+0xbf08): Section mismatch in reference from the variable apic_x2apic_uv_x to the function .init.text:uv_acpi_madt_oem_check()
The variable apic_x2apic_uv_x references
the function __init uv_acpi_madt_oem_check()

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/genx2apic_uv_x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index bfd532843df..680a06557c5 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -30,7 +30,7 @@ DEFINE_PER_CPU(int, x2apic_extra_bits);
 
 static enum uv_system_type uv_system_type;
 
-static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
 	if (!strcmp(oem_id, "SGI")) {
 		if (!strcmp(oem_table_id, "UVL"))
-- 
GitLab


From 2caa37150d7aa110b6155cb77b07e581c103fef4 Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 12 Oct 2008 11:44:11 +0200
Subject: [PATCH 1828/2224] x86: fix section mismatch warning -
 apic_x2apic_cluster

Impact: cleanup only, no functionality changed

WARNING: vmlinux.o(.data+0xbf88): Section mismatch in reference from the variable apic_x2apic_cluster to the function .init.text:x2apic_acpi_madt_oem_check()
The variable apic_x2apic_cluster references
the function __init x2apic_acpi_madt_oem_check()

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/genx2apic_cluster.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c
index e4bf2cc0d74..f6a2c8eb48a 100644
--- a/arch/x86/kernel/genx2apic_cluster.c
+++ b/arch/x86/kernel/genx2apic_cluster.c
@@ -12,7 +12,7 @@
 
 DEFINE_PER_CPU(u32, x86_cpu_to_logical_apicid);
 
-static int __init x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
 	if (cpu_has_x2apic)
 		return 1;
-- 
GitLab


From 3cfba0892585d4c8e7b4122b5dc0d206a76936de Mon Sep 17 00:00:00 2001
From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Sun, 12 Oct 2008 11:46:23 +0200
Subject: [PATCH 1829/2224] x86: fix section mismatch warning -
 apic_x2apic_phys

Impact: cleanup only, no functionality changed

WARNING: vmlinux.o(.data+0xc008): Section mismatch in reference from the variable apic_x2apic_phys to the function .init.text:x2apic_acpi_madt_oem_check()
The variable apic_x2apic_phys references
the function __init x2apic_acpi_madt_oem_check()

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/genx2apic_phys.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c
index 8f1343df262..d042211768b 100644
--- a/arch/x86/kernel/genx2apic_phys.c
+++ b/arch/x86/kernel/genx2apic_phys.c
@@ -19,7 +19,7 @@ static int set_x2apic_phys_mode(char *arg)
 }
 early_param("x2apic_phys", set_x2apic_phys_mode);
 
-static int __init x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
 	if (cpu_has_x2apic && x2apic_phys)
 		return 1;
-- 
GitLab


From da6320becf31c40b60d4b1dc6b339c9a766b671c Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jarkko.nikula@nokia.com>
Date: Wed, 22 Oct 2008 15:00:29 +0300
Subject: [PATCH 1830/2224] ALSA: ASoC: OMAP: Continue fixing DSP DAI format in
 McBSP DAI driver

Fix "ASoC: OMAP: Fix DSP DAI format in McBSP DAI driver" was not correct
due misunderstanding of DSP_A format and similar error in TLV320AIC33
codec which was used to test the original fix.

This patch corrects now DSP_A format in OMAP McBSP DAI driver and is
verified with TLV320AIC23 codec that's implementing DSP_A correctly.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Cc: Arun KS <arunks@mistralsolutions.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/soc/omap/omap-mcbsp.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index 853b33ae343..8485a8a9d0f 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -265,7 +265,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
 		break;
 	case SND_SOC_DAIFMT_DSP_A:
 		regs->srgr2	|= FPER(wlen * 2 - 1);
-		regs->srgr1	|= FWID(0);
+		regs->srgr1	|= FWID(wlen * 2 - 2);
 		break;
 	}
 
@@ -284,7 +284,6 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 {
 	struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data);
 	struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs;
-	unsigned int temp_fmt = fmt;
 
 	if (mcbsp_data->configured)
 		return 0;
@@ -307,8 +306,6 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 		/* 0-bit data delay */
 		regs->rcr2      |= RDATDLY(0);
 		regs->xcr2      |= XDATDLY(0);
-		/* Invert bit clock and FS polarity configuration for DSP_A */
-		temp_fmt ^= SND_SOC_DAIFMT_IB_IF;
 		break;
 	default:
 		/* Unsupported data format */
@@ -332,7 +329,7 @@ static int omap_mcbsp_dai_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 	}
 
 	/* Set bit clock (CLKX/CLKR) and FS polarities */
-	switch (temp_fmt & SND_SOC_DAIFMT_INV_MASK) {
+	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 	case SND_SOC_DAIFMT_NB_NF:
 		/*
 		 * Normal BCLK + FS.
-- 
GitLab


From c2bf092e02dcd51f46c6415b9df8606ed2d1e6f7 Mon Sep 17 00:00:00 2001
From: Hiroshi Miura <miura@da-cha.org>
Date: Wed, 22 Oct 2008 09:56:28 -0700
Subject: [PATCH 1831/2224] Staging: add pcc-acpi driver

Adds the pcc-acpi driver to the staging tree.

From: Hiroshi Miura <miura@da-cha.org>
Cc: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig             |   2 +
 drivers/staging/Makefile            |   1 +
 drivers/staging/pcc-acpi/Kconfig    |  11 +
 drivers/staging/pcc-acpi/Makefile   |   1 +
 drivers/staging/pcc-acpi/TODO       |   7 +
 drivers/staging/pcc-acpi/pcc-acpi.c | 974 ++++++++++++++++++++++++++++
 6 files changed, 996 insertions(+)
 create mode 100644 drivers/staging/pcc-acpi/Kconfig
 create mode 100644 drivers/staging/pcc-acpi/Makefile
 create mode 100644 drivers/staging/pcc-acpi/TODO
 create mode 100644 drivers/staging/pcc-acpi/pcc-acpi.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 2a79decd7df..65a86b70457 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -43,4 +43,6 @@ source "drivers/staging/echo/Kconfig"
 
 source "drivers/staging/at76_usb/Kconfig"
 
+source "drivers/staging/pcc-acpi/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 325bca4f71c..e5c4a386c42 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -13,3 +13,4 @@ obj-$(CONFIG_W35UND)		+= winbond/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
 obj-$(CONFIG_ECHO)		+= echo/
 obj-$(CONFIG_USB_ATMEL)		+= at76_usb/
+obj-$(CONFIG_PCC_ACPI)		+= pcc-acpi/
diff --git a/drivers/staging/pcc-acpi/Kconfig b/drivers/staging/pcc-acpi/Kconfig
new file mode 100644
index 00000000000..6720d4086ba
--- /dev/null
+++ b/drivers/staging/pcc-acpi/Kconfig
@@ -0,0 +1,11 @@
+config PCC_ACPI
+	tristate "Panasonic ACPI Hotkey support"
+	depends on ACPI
+	default n
+	---help---
+	  This driver provides support for Panasonic hotkeys through the
+	  ACPI interface.  This works for the Panasonic R1 (N variant),
+	  R2, R3, T2, W2, and Y2 laptops.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called pcc-acpi.
diff --git a/drivers/staging/pcc-acpi/Makefile b/drivers/staging/pcc-acpi/Makefile
new file mode 100644
index 00000000000..f93b29edf61
--- /dev/null
+++ b/drivers/staging/pcc-acpi/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_PCC_ACPI)		+= pcc-acpi.o
diff --git a/drivers/staging/pcc-acpi/TODO b/drivers/staging/pcc-acpi/TODO
new file mode 100644
index 00000000000..fab24098228
--- /dev/null
+++ b/drivers/staging/pcc-acpi/TODO
@@ -0,0 +1,7 @@
+TODO:
+	- Lindent fixes
+	- checkpatch.pl fixes
+	- verify that the acpi interface is correct
+	- remove /proc dependancy if needed (not sure yet.)
+
+Please send any patches for this driver to Greg Kroah-Hartman <greg@kroah.com>
diff --git a/drivers/staging/pcc-acpi/pcc-acpi.c b/drivers/staging/pcc-acpi/pcc-acpi.c
new file mode 100644
index 00000000000..ffda32a1030
--- /dev/null
+++ b/drivers/staging/pcc-acpi/pcc-acpi.c
@@ -0,0 +1,974 @@
+/*
+ *  Panasonic HotKey and lcd brightness control Extra driver
+ *  (C) 2004 Hiroshi Miura <miura@da-cha.org>
+ *  (C) 2004 NTT DATA Intellilink Co. http://www.intellilink.co.jp/
+ *  (C) YOKOTA Hiroshi <yokota (at) netlab. is. tsukuba. ac. jp>
+ *  (C) 2004 David Bronaugh <dbronaugh>
+ *
+ *  derived from toshiba_acpi.c, Copyright (C) 2002-2004 John Belmonte
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publicshed by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *---------------------------------------------------------------------------
+ *
+ * ChangeLog:
+ *
+ * 	Nov.04, 2006	Hiroshi Miura <miura@da-cha.org>
+ * 		-v0.9	remove warning about section reference.
+ * 			remove acpi_os_free
+ * 			add /proc/acpi/pcc/brightness interface to allow HAL to access.
+ * 			merge dbronaugh's enhancement
+ * 			Aug.17, 2004 David Bronaugh (dbronaugh)
+ *  				- Added screen brightness setting interface
+ *				  Thanks to the FreeBSD crew (acpi_panasonic.c authors)
+ * 				  for the ideas I needed to accomplish it
+ *
+ *	May.29, 2006	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.8.4 follow to change keyinput structure
+ *			thanks Fabian Yamaguchi <fabs@cs.tu-berlin.de>,
+ *			Jacob Bower <jacob.bower@ic.ac.uk> and
+ *			Hiroshi Yokota for providing solutions.
+ *
+ *	Oct.02, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.8.2	merge code of YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>.
+ *			Add sticky key mode interface.
+ *			Refactoring acpi_pcc_generete_keyinput().
+ *
+ *	Sep.15, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.8	Generate key input event on input subsystem.
+ *			This is based on yet another driver written by Ryuta Nakanishi.
+ *
+ *	Sep.10, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.7	Change proc interface functions using seq_file
+ *			facility as same as other ACPI drivers.
+ *
+ *	Aug.28, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.6.4 Fix a silly error with status checking
+ *
+ *	Aug.25, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		-v0.6.3 replace read_acpi_int by standard function acpi_evaluate_integer
+ *			some clean up and make smart copyright notice.
+ *			fix return value of pcc_acpi_get_key()
+ *			fix checking return value of acpi_bus_register_driver()
+ *
+ *      Aug.22, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
+ *              -v0.6.2 Add check on ACPI data (num_sifr)
+ *                      Coding style cleanups, better error messages/handling
+ *			Fixed an off-by-one error in memory allocation
+ *
+ *      Aug.21, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
+ *              -v0.6.1 Fix a silly error with status checking
+ *
+ *      Aug.20, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
+ *              - v0.6  Correct brightness controls to reflect reality
+ *                      based on information gleaned by Hiroshi Miura
+ *                      and discussions with Hiroshi Miura
+ *
+ *	Aug.10, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.5  support LCD brightness control
+ *			based on the disclosed information by MEI.
+ *
+ *	Jul.25, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.4  first post version
+ *		        add function to retrive SIFR
+ *
+ *	Jul.24, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.3  get proper status of hotkey
+ *
+ *      Jul.22, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.2  add HotKey handler
+ *
+ *      Jul.17, 2004	Hiroshi Miura <miura@da-cha.org>
+ *		- v0.1  start from toshiba_acpi driver written by John Belmonte
+ *
+ */
+
+#define ACPI_PCC_VERSION	"0.9"
+
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/proc_fs.h>
+#include <linux/ctype.h>
+#include <linux/seq_file.h>
+#include <asm/uaccess.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+#include <linux/input.h>
+
+
+/*************************************************************************
+ * "seq" file template definition.
+ */
+/* "seq" initializer */
+#define SEQ_OPEN_FS(_open_func_name_, _show_func_name_) \
+static int _open_func_name_(struct inode *inode, struct file *file) \
+{								      \
+	return single_open(file, _show_func_name_, PDE(inode)->data);  \
+}
+
+/*-------------------------------------------------------------------------
+ * "seq" fops template for read-only files.
+ */
+#define SEQ_FILEOPS_R(_open_func_name_) \
+{ \
+	.open	 = _open_func_name_,		  \
+	.read	 = seq_read,			  \
+	.llseek	 = seq_lseek,			  \
+	.release = single_release,		  \
+}
+
+/*------------------------------------------------------------------------
+ * "seq" fops template for read-write files.
+ */
+#define SEQ_FILEOPS_RW(_open_func_name_, _write_func_name_) \
+{ \
+	.open	 = _open_func_name_ ,		  \
+	.read	 = seq_read,			  \
+	.write	 = _write_func_name_,		  \
+	.llseek	 = seq_lseek,			  \
+	.release = single_release,		  \
+}
+
+/*
+ * "seq" file template definition ended.
+ ***************************************************************************
+ */
+#ifndef ACPI_HOTKEY_COMPONENT
+#define ACPI_HOTKEY_COMPONENT	0x10000000
+#endif
+
+#define _COMPONENT		ACPI_HOTKEY_COMPONENT
+ACPI_MODULE_NAME("pcc_acpi")
+
+MODULE_AUTHOR("Hiroshi Miura");
+MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Lets Note laptops");
+MODULE_LICENSE("GPL");
+
+#define LOGPREFIX "pcc_acpi: "
+
+/****************************************************
+ * Define ACPI PATHs
+ ****************************************************/
+/* Lets note hotkeys */
+#define METHOD_HKEY_QUERY	"HINF"
+#define METHOD_HKEY_SQTY	"SQTY"
+#define METHOD_HKEY_SINF	"SINF"
+#define METHOD_HKEY_SSET	"SSET"
+#define HKEY_NOTIFY		 0x80
+
+/* for brightness control */
+#define LCD_MAX_BRIGHTNESS 255
+/* This may be magical -- beware */
+#define LCD_BRIGHTNESS_INCREMENT 17
+/* Registers of SINF */
+#define SINF_LCD_BRIGHTNESS 4
+
+/*******************************************************************
+ *
+ * definitions for /proc/ interface
+ *
+ *******************************************************************/
+#define ACPI_PCC_DRIVER_NAME	"PCC Extra Driver"
+#define ACPI_PCC_DEVICE_NAME	"PCCExtra"
+#define ACPI_PCC_CLASS		"pcc"
+#define PROC_PCC		ACPI_PCC_CLASS
+
+#define ACPI_PCC_INPUT_PHYS	"panasonic/hkey0"
+
+/* This is transitional definition */
+#ifndef KEY_BATT
+# define KEY_BATT 227
+#endif
+
+#define PROC_STR_MAX_LEN  8
+
+/* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent
+   ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
+*/
+enum SINF_BITS { SINF_NUM_BATTERIES = 0,
+                 SINF_LCD_TYPE,      /* 1 */
+		 SINF_AC_MAX_BRIGHT, SINF_AC_MIN_BRIGHT, SINF_AC_CUR_BRIGHT,  /* 2, 3, 4 */
+		             /* 4 = R1 only handle SINF_AC_CUR_BRIGHT as SINF_CUR_BRIGHT and don't know AC state */
+		 SINF_DC_MAX_BRIGHT, SINF_DC_MIN_BRIGHT, SINF_DC_CUR_BRIGHT,  /* 5, 6, 7 */
+		 SINF_MUTE,
+		 SINF_RESERVED,      SINF_ENV_STATE, /* 9, 10 */
+		 SINF_STICKY_KEY = 0x80,
+};
+
+static int acpi_pcc_hotkey_add(struct acpi_device *device);
+static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
+static int acpi_pcc_hotkey_resume(struct acpi_device *device);
+
+static const struct acpi_device_id pcc_device_ids[] = {
+	{"MAT0012", 0},
+	{"MAT0013", 0},
+	{"MAT0018", 0},
+	{"MAT0019", 0},
+	{"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
+
+static struct acpi_driver acpi_pcc_driver = {
+	.name =		ACPI_PCC_DRIVER_NAME,
+	.class =	ACPI_PCC_CLASS,
+	.ids =		pcc_device_ids,
+	.ops =		{
+				.add =		acpi_pcc_hotkey_add,
+				.remove =	acpi_pcc_hotkey_remove,
+				.resume =       acpi_pcc_hotkey_resume,
+			},
+};
+
+struct acpi_hotkey {
+	acpi_handle		handle;
+	struct acpi_device	*device;
+	struct proc_dir_entry   *proc_dir_entry;
+	unsigned long		num_sifr;
+	unsigned long		status;
+	struct input_dev	*input_dev;
+	int			sticky_mode;
+};
+
+struct pcc_keyinput {
+	struct acpi_hotkey      *hotkey;
+	int key_mode;
+};
+
+/* --------------------------------------------------------------------------
+                           method access functions
+   -------------------------------------------------------------------------- */
+static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
+{
+	union acpi_object in_objs[] = {
+		{ .integer.type  = ACPI_TYPE_INTEGER,
+		  .integer.value = func, },
+		{ .integer.type  = ACPI_TYPE_INTEGER,
+		  .integer.value = val, },
+	};
+	struct acpi_object_list params = {
+		.count   = ARRAY_SIZE(in_objs),
+		.pointer = in_objs,
+	};
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
+
+	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, &params, NULL);
+
+	return_VALUE(status == AE_OK);
+}
+
+static inline int acpi_pcc_get_sqty(struct acpi_device *device)
+{
+	unsigned long s;
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty");
+
+	status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY, NULL, &s);
+	if (ACPI_SUCCESS(status)) {
+		return_VALUE(s);
+	} else {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "evaluation error HKEY.SQTY\n"));
+		return_VALUE(-EINVAL);
+	}
+}
+
+static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
+{
+	acpi_status status;
+	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+	union acpi_object *hkey = NULL;
+	int i;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata");
+
+	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0 , &buffer);
+	if (ACPI_FAILURE(status)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "evaluation error HKEY.SINF\n"));
+		return_VALUE(0);
+	}
+
+	hkey = buffer.pointer;
+	if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n"));
+		goto end;
+	}
+
+	if (hotkey->num_sifr < hkey->package.count) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "SQTY reports bad SINF length\n"));
+		status = AE_ERROR;
+		goto end;
+	}
+
+	for (i = 0; i < hkey->package.count; i++) {
+		union acpi_object *element = &(hkey->package.elements[i]);
+		if (likely(element->type == ACPI_TYPE_INTEGER)) {
+			sinf[i] = element->integer.value;
+		} else {
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF data\n"));
+		}
+	}
+	sinf[hkey->package.count] = -1;
+
+end:
+	kfree(buffer.pointer);
+	return_VALUE(status == AE_OK);
+}
+
+static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field)
+{
+	struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
+	u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL);
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field");
+
+	if (!sinf) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
+		       sizeof(u32) * hotkey->num_sifr));
+		return_VALUE(0);
+	}
+
+	if (acpi_pcc_retrieve_biosdata(hotkey, sinf)) {
+		seq_printf(seq, "%u\n",	sinf[field]);
+	} else {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
+	}
+
+	kfree(sinf);
+	return_VALUE(0);
+}
+
+/* --------------------------------------------------------------------------
+                       user interface functions
+   -------------------------------------------------------------------------- */
+/* read methods */
+/* Sinf read methods */
+#define PCC_SINF_READ_F(_name_, FUNC) \
+static int _name_  (struct seq_file *seq, void *offset) \
+{ \
+	return acpi_pcc_read_sinf_field(seq, (FUNC)); \
+}
+
+PCC_SINF_READ_F(acpi_pcc_numbatteries_show,      SINF_NUM_BATTERIES);
+PCC_SINF_READ_F(acpi_pcc_lcdtype_show,           SINF_LCD_TYPE);
+PCC_SINF_READ_F(acpi_pcc_ac_brightness_max_show, SINF_AC_MAX_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_ac_brightness_min_show, SINF_AC_MIN_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_ac_brightness_show,     SINF_AC_CUR_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_dc_brightness_max_show, SINF_DC_MAX_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_dc_brightness_min_show, SINF_DC_MIN_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_dc_brightness_show,     SINF_DC_CUR_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_brightness_show,        SINF_AC_CUR_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_mute_show,              SINF_MUTE);
+
+static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_hotkey *hotkey = seq->private;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show");
+
+	if (!hotkey || !hotkey->device) {
+		return_VALUE(0);
+	}
+
+	seq_printf(seq, "%d\n", hotkey->sticky_mode);
+
+	return_VALUE(0);
+}
+
+static int acpi_pcc_keyinput_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_hotkey 	*hotkey = (struct acpi_hotkey *) seq->private;
+	struct input_dev 	*hotk_input_dev = hotkey->input_dev;
+	struct pcc_keyinput 	*keyinput = input_get_drvdata(hotk_input_dev);
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_keyinput_show");
+
+	seq_printf(seq, "%d\n", keyinput->key_mode);
+
+	return_VALUE(0);
+}
+
+static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_version_show");
+
+	if (!hotkey || !hotkey->device)
+		return 0;
+
+	seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, ACPI_PCC_VERSION);
+	seq_printf(seq, "%li functions\n", hotkey->num_sifr);
+
+	return_VALUE(0);
+}
+
+/* write methods */
+static ssize_t acpi_pcc_write_single_flag (struct file *file,
+                                           const char __user *buffer,
+                                           size_t count,
+                                           int sinf_func)
+{
+	struct seq_file		*seq = file->private_data;
+	struct acpi_hotkey	*hotkey = seq->private;
+	char			write_string[PROC_STR_MAX_LEN];
+	u32 			val;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag");
+
+	if (!hotkey || (count > sizeof(write_string) - 1)) {
+		return_VALUE(-EINVAL);
+        }
+
+	if (copy_from_user(write_string, buffer, count)) {
+		return_VALUE(-EFAULT);
+        }
+	write_string[count] = '\0';
+
+	if (sscanf(write_string, "%i", &val) == 1 && (val == 0 || val == 1)) {
+		acpi_pcc_write_sset(hotkey, sinf_func, val);
+	}
+
+	return_VALUE(count);
+}
+
+static unsigned long acpi_pcc_write_brightness(struct file *file, const char __user *buffer,
+					       size_t count,
+					       int min_index, int max_index,
+					       int cur_index)
+{
+	struct seq_file		*seq = (struct seq_file *)file->private_data;
+	struct acpi_hotkey	*hotkey = (struct acpi_hotkey *)seq->private;
+	char			write_string[PROC_STR_MAX_LEN];
+	u32 bright;
+	u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL);
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness");
+
+	if (!hotkey || (count > sizeof(write_string) - 1))
+		return_VALUE(-EINVAL);
+
+	if (!sinf) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
+		       sizeof(u32) * hotkey->num_sifr));
+		return_VALUE(-EFAULT);
+	}
+
+	if (copy_from_user(write_string, buffer, count))
+		return_VALUE(-EFAULT);
+
+	write_string[count] = '\0';
+
+	if (!acpi_pcc_retrieve_biosdata(hotkey, sinf)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
+		goto end;
+	}
+
+	if (sscanf(write_string, "%i", &bright) == 1 &&
+		bright >= sinf[min_index] && bright <= sinf[max_index]) {
+			acpi_pcc_write_sset(hotkey, cur_index, bright);
+	}
+
+end:
+	kfree(sinf);
+	return_VALUE(count);
+}
+
+static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user *buffer,
+					 size_t count, loff_t *ppos)
+{
+	return acpi_pcc_write_brightness(file, buffer, count, SINF_AC_MIN_BRIGHT,
+					 SINF_AC_MAX_BRIGHT,
+					 SINF_AC_CUR_BRIGHT);
+}
+
+static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user *buffer,
+					 size_t count, loff_t *ppos)
+{
+	return acpi_pcc_write_brightness(file, buffer, count, SINF_DC_MIN_BRIGHT,
+					 SINF_DC_MAX_BRIGHT,
+					 SINF_DC_CUR_BRIGHT);
+}
+
+static ssize_t acpi_pcc_write_no_brightness(struct file *file, const char __user *buffer,
+					 size_t count, loff_t *ppos)
+{
+	return acpi_pcc_write_brightness(file, buffer, count, SINF_AC_MIN_BRIGHT,
+					 SINF_AC_MAX_BRIGHT,
+					 SINF_AC_CUR_BRIGHT);
+}
+
+static ssize_t acpi_pcc_write_mute (struct file *file,
+				    const char __user *buffer,
+				    size_t count, loff_t *ppos)
+{
+	return acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE);
+}
+
+static ssize_t acpi_pcc_write_sticky_key (struct file *file,
+					  const char __user *buffer,
+					  size_t count, loff_t *ppos)
+{
+	return acpi_pcc_write_single_flag(file, buffer, count, SINF_STICKY_KEY);
+}
+
+static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buffer,
+					 size_t count, loff_t *ppos)
+{
+	struct seq_file		*seq = (struct seq_file *)file->private_data;
+	struct acpi_hotkey	*hotkey = (struct acpi_hotkey *)seq->private;
+	struct pcc_keyinput 	*keyinput;
+	char			write_string[PROC_STR_MAX_LEN];
+	int			key_mode;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput");
+
+	if (!hotkey || (count > sizeof(write_string) - 1))
+		return_VALUE(-EINVAL);
+
+	if (copy_from_user(write_string, buffer, count))
+		return_VALUE(-EFAULT);
+
+	write_string[count] = '\0';
+
+	if (sscanf(write_string, "%i", &key_mode) == 1 && (key_mode == 0 || key_mode == 1)) {
+		keyinput = (struct pcc_keyinput *)input_get_drvdata(hotkey->input_dev);
+		keyinput->key_mode = key_mode;
+	}
+
+	return_VALUE(count);
+}
+
+/* --------------------------------------------------------------------------
+                            hotkey driver
+   -------------------------------------------------------------------------- */
+static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
+{
+	struct input_dev    *hotk_input_dev = hotkey->input_dev;
+	struct pcc_keyinput *keyinput = input_get_drvdata(hotk_input_dev);
+	int hinf = hotkey->status;
+	int key_code, hkey_num;
+	const int key_map[] = {
+		/*  0 */ -1,
+		/*  1 */ KEY_BRIGHTNESSDOWN,
+		/*  2 */ KEY_BRIGHTNESSUP,
+		/*  3 */ -1, /* vga/lcd switch event is not occur on hotkey driver. */
+		/*  4 */ KEY_MUTE,
+		/*  5 */ KEY_VOLUMEDOWN,
+		/*  6 */ KEY_VOLUMEUP,
+		/*  7 */ KEY_SLEEP,
+		/*  8 */ -1, /* Change CPU boost: do nothing */
+		/*  9 */ KEY_BATT,
+		/* 10 */ KEY_SUSPEND,
+	};
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_generete_keyinput");
+
+	if (keyinput->key_mode == 0) { return_VOID; }
+
+	hkey_num = hinf & 0xf;
+
+	if ((       0 > hkey_num	   ) ||
+	    (hkey_num > ARRAY_SIZE(key_map))) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				  "hotkey number out of range: %d\n",
+				  hkey_num));
+		return_VOID;
+	}
+
+	key_code = key_map[hkey_num];
+
+	if (key_code != -1) {
+		int pushed = (hinf & 0x80) ? TRUE : FALSE;
+
+		input_report_key(hotk_input_dev, key_code, pushed);
+		input_sync(hotk_input_dev);
+	}
+}
+
+static int acpi_pcc_hotkey_get_key(struct acpi_hotkey *hotkey)
+{
+	unsigned long result;
+	acpi_status status = AE_OK;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_get_key");
+
+	status = acpi_evaluate_integer(hotkey->handle, METHOD_HKEY_QUERY, NULL, &result);
+	if (likely(ACPI_SUCCESS(status))) {
+		hotkey->status = result;
+	} else {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "error getting hotkey status\n"));
+	}
+
+	return_VALUE(status == AE_OK);
+}
+
+void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
+{
+	struct acpi_hotkey *hotkey = (struct acpi_hotkey *) data;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify");
+
+	switch(event) {
+	case HKEY_NOTIFY:
+		if (acpi_pcc_hotkey_get_key(hotkey)) {
+			/* generate event like '"pcc HKEY 00000080 00000084"' when Fn+F4 pressed */
+			acpi_bus_generate_proc_event(hotkey->device, event, hotkey->status);
+		}
+		acpi_pcc_generete_keyinput(hotkey);
+		break;
+	default:
+		/* nothing to do */
+		break;
+	}
+	return_VOID;
+}
+
+/* --------------------------------------------------------------------------
+                              FS Interface (/proc)
+   -------------------------------------------------------------------------- */
+/* oepn proc file fs*/
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs,  acpi_pcc_numbatteries_show);
+SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs,  acpi_pcc_lcdtype_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs, acpi_pcc_ac_brightness_max_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs,  acpi_pcc_ac_brightness_min_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs, acpi_pcc_dc_brightness_max_show);
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs, acpi_pcc_dc_brightness_min_show);
+SEQ_OPEN_FS(acpi_pcc_brightness_open_fs,  acpi_pcc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
+SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
+SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
+SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
+
+typedef struct file_operations fops_t;
+static fops_t acpi_pcc_numbatteries_fops = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
+static fops_t acpi_pcc_lcdtype_fops = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
+static fops_t acpi_pcc_mute_fops = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
+static fops_t acpi_pcc_ac_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
+static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs);
+static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs);
+static fops_t acpi_pcc_dc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
+static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs);
+static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs);
+static fops_t acpi_pcc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
+static fops_t acpi_pcc_sticky_key_fops = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
+static fops_t acpi_pcc_keyinput_fops = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
+static fops_t acpi_pcc_version_fops = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
+
+typedef struct _ProcItem
+{
+	const char* name;
+	struct file_operations *fops;
+	mode_t flag;
+} ProcItem;
+
+/* Note: These functions map *exactly* to the SINF/SSET functions */
+ProcItem pcc_proc_items_sifr[] =
+{
+	{ "num_batteries",      &acpi_pcc_numbatteries_fops,     S_IRUGO },
+	{ "lcd_type",           &acpi_pcc_lcdtype_fops,          S_IRUGO },
+	{ "ac_brightness_max" , &acpi_pcc_ac_brightness_max_fops,S_IRUGO },
+	{ "ac_brightness_min" , &acpi_pcc_ac_brightness_min_fops,S_IRUGO },
+	{ "ac_brightness" ,     &acpi_pcc_ac_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
+	{ "dc_brightness_max" , &acpi_pcc_dc_brightness_max_fops,S_IRUGO },
+	{ "dc_brightness_min" , &acpi_pcc_dc_brightness_min_fops,S_IRUGO },
+	{ "dc_brightness" ,     &acpi_pcc_dc_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
+	{ "brightness" ,        &acpi_pcc_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
+	{ "mute",               &acpi_pcc_mute_fops,             S_IFREG | S_IRUGO | S_IWUSR },
+	{ NULL, NULL, 0 },
+};
+
+ProcItem pcc_proc_items[] =
+{
+	{ "sticky_key",		&acpi_pcc_sticky_key_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
+	{ "keyinput",           &acpi_pcc_keyinput_fops,         S_IFREG | S_IRUGO | S_IWUSR },
+	{ "version",            &acpi_pcc_version_fops,          S_IRUGO },
+	{ NULL, NULL, 0 },
+};
+
+static int acpi_pcc_add_device(struct acpi_device *device,
+                                      ProcItem *proc_items,
+                                      int num)
+{
+	struct proc_dir_entry* proc;
+	ProcItem* item;
+	int i;
+	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
+
+	for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) {
+		proc = create_proc_entry(item->name, item->flag, hotkey->proc_dir_entry);
+		if (likely(proc)) {
+			proc->proc_fops = item->fops;
+			proc->data = hotkey;
+			proc->owner = THIS_MODULE;
+		} else {
+			while (i-- > 0) {
+				item--;
+				remove_proc_entry(item->name, hotkey->proc_dir_entry);
+			}
+			return -ENODEV;
+		}
+	}
+	return 0;
+}
+
+static int acpi_pcc_proc_init(struct acpi_device *device)
+{
+	struct proc_dir_entry* acpi_pcc_dir;
+	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
+	acpi_status status;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_proc_init");
+
+	acpi_pcc_dir = proc_mkdir(PROC_PCC, acpi_root_dir);
+
+	if (unlikely(!acpi_pcc_dir)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't create dir in /proc\n"));
+		return_VALUE(-ENODEV);
+	}
+
+	acpi_pcc_dir->owner = THIS_MODULE;
+	hotkey->proc_dir_entry = acpi_pcc_dir;
+
+	status =  acpi_pcc_add_device(device, pcc_proc_items_sifr, hotkey->num_sifr);
+	status |= acpi_pcc_add_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem));
+	if (unlikely(status)) {
+		remove_proc_entry(PROC_PCC, acpi_root_dir);
+		hotkey->proc_dir_entry = NULL;
+		return_VALUE(-ENODEV);
+	}
+
+	return_VALUE(status);
+}
+
+static void acpi_pcc_remove_device(struct acpi_device *device,
+                                          ProcItem *proc_items,
+                                          int num)
+{
+	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
+	ProcItem* item;
+	int i;
+
+	for (item = proc_items, i = 0; item->name != NULL && i < num; ++item, ++i) {
+		remove_proc_entry(item->name, hotkey->proc_dir_entry);
+	}
+
+	return;
+}
+
+/* --------------------------------------------------------------------------
+                             input init
+   -------------------------------------------------------------------------- */
+static int acpi_pcc_init_input(struct acpi_hotkey *hotkey)
+{
+	struct input_dev *hotk_input_dev;
+	struct pcc_keyinput *pcc_keyinput;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
+	hotk_input_dev = input_allocate_device();
+	if (!hotk_input_dev) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
+		return_VALUE(-ENOMEM);
+	}
+#else
+	hotk_input_dev = kcalloc(1, sizeof(struct input_dev),GFP_KERNEL);
+	if (hotk_input_dev == NULL) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
+		return_VALUE(-ENOMEM);
+	}
+#endif
+
+	pcc_keyinput = kcalloc(1,sizeof(struct pcc_keyinput),GFP_KERNEL);
+
+	if (pcc_keyinput == NULL) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
+		input_unregister_device(hotk_input_dev);
+		return_VALUE(-ENOMEM);
+	}
+
+	hotk_input_dev->evbit[0] = BIT(EV_KEY);
+
+	set_bit(KEY_BRIGHTNESSDOWN, hotk_input_dev->keybit);
+	set_bit(KEY_BRIGHTNESSUP, hotk_input_dev->keybit);
+	set_bit(KEY_MUTE, hotk_input_dev->keybit);
+	set_bit(KEY_VOLUMEDOWN, hotk_input_dev->keybit);
+	set_bit(KEY_VOLUMEUP, hotk_input_dev->keybit);
+	set_bit(KEY_SLEEP, hotk_input_dev->keybit);
+	set_bit(KEY_BATT, hotk_input_dev->keybit);
+	set_bit(KEY_SUSPEND, hotk_input_dev->keybit);
+
+	hotk_input_dev->name = ACPI_PCC_DRIVER_NAME;
+	hotk_input_dev->phys = ACPI_PCC_INPUT_PHYS;
+	hotk_input_dev->id.bustype = 0x1a; /* XXX FIXME: BUS_I8042? */
+	hotk_input_dev->id.vendor = 0x0001;
+	hotk_input_dev->id.product = 0x0001;
+	hotk_input_dev->id.version = 0x0100;
+
+	pcc_keyinput->key_mode = 1; /* default on */
+	pcc_keyinput->hotkey = hotkey;
+
+	input_set_drvdata(hotk_input_dev, pcc_keyinput);
+
+	hotkey->input_dev = hotk_input_dev;
+
+
+	input_register_device(hotk_input_dev);
+
+	return_VALUE(0);
+}
+
+/* --------------------------------------------------------------------------
+                         module init
+   -------------------------------------------------------------------------- */
+
+static int acpi_pcc_hotkey_resume(struct acpi_device *device)
+{
+	struct acpi_hotkey *hotkey = acpi_driver_data(device);
+	acpi_status	    status = AE_OK;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
+
+	if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); }
+
+	ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Sticky mode restore: %d\n", hotkey->sticky_mode));
+
+	status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
+
+	return_VALUE(status == AE_OK ? 0 : -EINVAL);
+}
+
+static int acpi_pcc_hotkey_add (struct acpi_device *device)
+{
+	acpi_status		status = AE_OK;
+	struct acpi_hotkey	*hotkey = NULL;
+	int num_sifr, result;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
+
+	if (!device) {
+		return_VALUE(-EINVAL);
+	}
+
+	num_sifr = acpi_pcc_get_sqty(device);
+
+	if (num_sifr > 255) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large"));
+		return_VALUE(-ENODEV);
+	}
+
+	hotkey = kmalloc(sizeof(struct acpi_hotkey), GFP_KERNEL);
+	if (!hotkey) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
+		return_VALUE(-ENOMEM);
+	}
+
+	memset(hotkey, 0, sizeof(struct acpi_hotkey));
+
+	hotkey->device = device;
+	hotkey->handle = device->handle;
+	hotkey->num_sifr = num_sifr;
+	acpi_driver_data(device) = hotkey;
+	strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME);
+	strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
+
+	status = acpi_install_notify_handler (
+			hotkey->handle,
+			ACPI_DEVICE_NOTIFY,
+			acpi_pcc_hotkey_notify,
+			hotkey);
+
+	if (ACPI_FAILURE(status)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n"));
+		kfree(hotkey);
+		return_VALUE(-ENODEV);
+	}
+
+	result = acpi_pcc_init_input(hotkey);
+	if (result) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n"));
+		kfree(hotkey);
+		return_VALUE(result);
+	}
+
+	return_VALUE(acpi_pcc_proc_init(device));
+}
+
+static int __init acpi_pcc_init(void)
+{
+	int result = 0;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_init");
+
+	if (acpi_disabled) {
+		return_VALUE(-ENODEV);
+	}
+
+	result = acpi_bus_register_driver(&acpi_pcc_driver);
+	if (result < 0) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering hotkey driver\n"));
+		return_VALUE(-ENODEV);
+	}
+
+	return_VALUE(0);
+}
+
+module_init(acpi_pcc_init);
+
+static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
+{
+	acpi_status		status = AE_OK;
+	struct acpi_hotkey	*hotkey = acpi_driver_data(device);
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
+
+	if (!device || !hotkey)
+		return_VALUE(-EINVAL);
+
+	if (hotkey->proc_dir_entry) {
+		acpi_pcc_remove_device(device, pcc_proc_items_sifr, hotkey->num_sifr);
+		acpi_pcc_remove_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem));
+		remove_proc_entry(PROC_PCC, acpi_root_dir);
+	}
+
+	status = acpi_remove_notify_handler(hotkey->handle,
+		    ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
+
+	if (ACPI_FAILURE(status))
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
+
+	input_unregister_device(hotkey->input_dev);
+
+	kfree(hotkey);
+	return_VALUE(status == AE_OK);
+}
+
+static void __exit acpi_pcc_exit(void)
+{
+	ACPI_FUNCTION_TRACE("acpi_pcc_exit");
+
+	acpi_bus_unregister_driver(&acpi_pcc_driver);
+
+	return_VOID;
+}
+
+module_exit(acpi_pcc_exit);
-- 
GitLab


From 88f0aee6bdc477352b5f6e9d72e449da9bdb2dd2 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Sat, 18 Oct 2008 22:55:41 +0200
Subject: [PATCH 1832/2224] Staging: W35UND should depend on USB

W35UND should depend on USB

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/winbond/Kconfig b/drivers/staging/winbond/Kconfig
index 10d72bec88a..425219ed7ab 100644
--- a/drivers/staging/winbond/Kconfig
+++ b/drivers/staging/winbond/Kconfig
@@ -1,6 +1,6 @@
 config W35UND
 	tristate "Winbond driver"
-	depends on MAC80211 && WLAN_80211 && EXPERIMENTAL && !4KSTACKS
+	depends on MAC80211 && WLAN_80211 && USB && EXPERIMENTAL && !4KSTACKS
 	default n
 	---help---
 	  This is highly experimental driver for winbond wifi card on some Kohjinsha notebooks
-- 
GitLab


From 83454a285714f8365a4d391d8f2be3a956b32498 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 20 Oct 2008 22:59:18 +1100
Subject: [PATCH 1833/2224] linux-next: build failure

sxghif.h has code that explicitly will not build fo other architecures.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/README | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/sxg/README b/drivers/staging/sxg/README
index 4d1ddbe4c33..d514d184880 100644
--- a/drivers/staging/sxg/README
+++ b/drivers/staging/sxg/README
@@ -7,6 +7,7 @@ TODO:
 	- remove wrappers
 	- checkpatch.pl cleanups
 	- new functionality that the card needs
+	- remove reliance on x86
 
 Please send patches to:
         Greg Kroah-Hartman <gregkh@suse.de>
-- 
GitLab


From 19cbd3d7d564513be97a0651173f5572eae3d52b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 20 Oct 2008 13:45:15 -0700
Subject: [PATCH 1834/2224] Staging: document 4k stack problem for winbond
 driver

As noticed by Arjan

Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/README | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/winbond/README b/drivers/staging/winbond/README
index 707b6b354dc..cb944e4bf17 100644
--- a/drivers/staging/winbond/README
+++ b/drivers/staging/winbond/README
@@ -5,6 +5,7 @@ TODO:
 	- remove typedefs
 	- remove unused ioctls
 	- use cfg80211 for regulatory stuff
+	- fix 4k stack problems
 
 Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
 Pavel Machek <pavel@suse.cz>
-- 
GitLab


From f31158c9f86bf5619ab2e1c54f82f04ad2f47435 Mon Sep 17 00:00:00 2001
From: Diego Calleja <diegocg@gmail.com>
Date: Sat, 18 Oct 2008 16:53:37 +0200
Subject: [PATCH 1835/2224] Staging: Fix leak in drivers/staging/at76_usb.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fix leak in at76_usb as reported in:
http://bugzilla.kernel.org/show_bug.cgi?id=11778


Reported-by: Daniel Marjamäki <danielm77@spray.se>
Signed-off-by: Diego Calleja <diegocg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/at76_usb/at76_usb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/at76_usb/at76_usb.c b/drivers/staging/at76_usb/at76_usb.c
index 52df0c66518..174e2bec922 100644
--- a/drivers/staging/at76_usb/at76_usb.c
+++ b/drivers/staging/at76_usb/at76_usb.c
@@ -2319,9 +2319,11 @@ static int at76_iw_handler_get_scan(struct net_device *netdev,
 	if (!iwe)
 		return -ENOMEM;
 
-	if (priv->scan_state != SCAN_COMPLETED)
+	if (priv->scan_state != SCAN_COMPLETED) {
 		/* scan not yet finished */
+		kfree(iwe);
 		return -EAGAIN;
+	}
 
 	spin_lock_irqsave(&priv->bss_list_spinlock, flags);
 
-- 
GitLab


From dffe5a5d975ec1bdc9bbc2169957ccdcfd816d8a Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Sat, 18 Oct 2008 15:43:27 +0200
Subject: [PATCH 1836/2224] staging: fix potential build error in slicoss
 driver

This hides under DEBUG_REGISTER_TRACE so probably
not visible to many people.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/slicoss.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index b61ac4b2db9..47b0ae1ab6b 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -275,7 +275,6 @@ static void slic_dbg_register_trace(struct adapter *adapter,
 			  card->reg_value[i], card->reg_valueh[i]);
 	}
 }
-}
 #endif
 
 static void slic_init_adapter(struct net_device *netdev,
-- 
GitLab


From b4c0ed116928d59b00cd162bb0083629829fab8c Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Sat, 18 Oct 2008 15:46:39 +0200
Subject: [PATCH 1837/2224] staging: balance parenthesis in wlan-ng headers

Balance parenthesis in HFA384x_CMD_QOS_GET macro.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/hfa384x.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/hfa384x.h b/drivers/staging/wlan-ng/hfa384x.h
index a2054639d24..0dfb8ce9aae 100644
--- a/drivers/staging/wlan-ng/hfa384x.h
+++ b/drivers/staging/wlan-ng/hfa384x.h
@@ -824,7 +824,7 @@ PD Record codes
 #define		HFA384x_CMD_MACPORT_SET(value)		((UINT16)HFA384x_CMD_AINFO_SET(value))
 #define		HFA384x_CMD_ISRECL(value)		((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_RECL)))
 #define		HFA384x_CMD_RECL_SET(value)		((UINT16)HFA384x_CMD_AINFO_SET(value))
-#define		HFA384x_CMD_QOS_GET(value)		((UINT16((((UINT16)(value))&((UINT16)0x3000)) >> 12))
+#define		HFA384x_CMD_QOS_GET(value)		((UINT16)((((UINT16)(value))&((UINT16)0x3000)) >> 12))
 #define		HFA384x_CMD_QOS_SET(value)		((UINT16)((((UINT16)(value)) << 12) & 0x3000))
 #define		HFA384x_CMD_ISWRITE(value)		((UINT16)(HFA384x_CMD_AINFO_GET((UINT16)(value) & HFA384x_CMD_WRITE)))
 #define		HFA384x_CMD_WRITE_SET(value)		((UINT16)HFA384x_CMD_AINFO_SET((UINT16)value))
-- 
GitLab


From 0b65d3cc773f29354090cca865732308f675e1ef Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Fri, 17 Oct 2008 11:30:07 +0200
Subject: [PATCH 1838/2224] Staging: Fixes for me4000 pci data collection
 driver

Following Andrew Morton's review for this patch I made a patch that
fixes most of the remarks.
I've converted the sleep_on_timeout to wait_event_timeout but I
probably not in the right way.
Also I don't know what's the problem with the calls for get_user() so
I left them untouched.

Signed-off-by: Lior Dotan <liodot@gmail.com>
Cc: Andrew Morton <akpm@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/me4000/me4000.c | 896 ++++++++++++++++----------------
 drivers/staging/me4000/me4000.h | 194 +++----
 2 files changed, 545 insertions(+), 545 deletions(-)

diff --git a/drivers/staging/me4000/me4000.c b/drivers/staging/me4000/me4000.c
index 862dd7ffb5c..75c268c3730 100644
--- a/drivers/staging/me4000/me4000.c
+++ b/drivers/staging/me4000/me4000.c
@@ -25,24 +25,21 @@
 #include <linux/sched.h>
 #include <linux/interrupt.h>
 #include <linux/pci.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
 #include <linux/errno.h>
 #include <linux/delay.h>
-#include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/unistd.h>
 #include <linux/list.h>
 #include <linux/proc_fs.h>
-
+#include <linux/types.h>
 #include <linux/poll.h>
 #include <linux/vmalloc.h>
+#include <linux/slab.h>
 #include <asm/pgtable.h>
 #include <asm/uaccess.h>
-#include <linux/types.h>
-
-#include <linux/slab.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
 
 /* Include-File for the Meilhaus ME-4000 I/O board */
 #include "me4000.h"
@@ -57,14 +54,14 @@ MODULE_SUPPORTED_DEVICE("Meilhaus ME-4000 Multi I/O boards");
 MODULE_LICENSE("GPL");
 
 /* Board specific data are kept in a global list */
-LIST_HEAD(me4000_board_info_list);
+static LIST_HEAD(me4000_board_info_list);
 
 /* Major Device Numbers. 0 means to get it automatically from the System */
-static int me4000_ao_major_driver_no = 0;
-static int me4000_ai_major_driver_no = 0;
-static int me4000_dio_major_driver_no = 0;
-static int me4000_cnt_major_driver_no = 0;
-static int me4000_ext_int_major_driver_no = 0;
+static int me4000_ao_major_driver_no;
+static int me4000_ai_major_driver_no;
+static int me4000_dio_major_driver_no;
+static int me4000_cnt_major_driver_no;
+static int me4000_ext_int_major_driver_no;
 
 /* Let the user specify a custom major driver number */
 module_param(me4000_ao_major_driver_no, int, 0);
@@ -87,37 +84,23 @@ module_param(me4000_ext_int_major_driver_no, int, 0);
 MODULE_PARM_DESC(me4000_ext_int_major_driver_no,
 		 "Major driver number for external interrupt (default 0)");
 
-/*-----------------------------------------------------------------------------
-  Module stuff
-  ---------------------------------------------------------------------------*/
-int init_module(void);
-void cleanup_module(void);
-
 /*-----------------------------------------------------------------------------
   Board detection and initialization
   ---------------------------------------------------------------------------*/
 static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id);
-static int me4000_xilinx_download(me4000_info_t *);
-static int me4000_reset_board(me4000_info_t *);
+static int me4000_xilinx_download(struct me4000_info *);
+static int me4000_reset_board(struct me4000_info *);
 
 static void clear_board_info_list(void);
-static int get_registers(struct pci_dev *dev, me4000_info_t * info);
-static int init_board_info(struct pci_dev *dev, me4000_info_t * board_info);
-static int alloc_ao_contexts(me4000_info_t * info);
-static void release_ao_contexts(me4000_info_t * board_info);
-static int alloc_ai_context(me4000_info_t * info);
-static int alloc_dio_context(me4000_info_t * info);
-static int alloc_cnt_context(me4000_info_t * info);
-static int alloc_ext_int_context(me4000_info_t * info);
-
+static void release_ao_contexts(struct me4000_info *board_info);
 /*-----------------------------------------------------------------------------
   Stuff used by all device parts
   ---------------------------------------------------------------------------*/
 static int me4000_open(struct inode *, struct file *);
 static int me4000_release(struct inode *, struct file *);
 
-static int me4000_get_user_info(me4000_user_info_t *,
-				me4000_info_t * board_info);
+static int me4000_get_user_info(struct me4000_user_info *,
+				struct me4000_info *board_info);
 static int me4000_read_procmem(char *, char **, off_t, int, int *, void *);
 
 /*-----------------------------------------------------------------------------
@@ -140,40 +123,42 @@ static int me4000_ao_ioctl_cont(struct inode *, struct file *, unsigned int,
 static unsigned int me4000_ao_poll_cont(struct file *, poll_table *);
 static int me4000_ao_fsync_cont(struct file *, struct dentry *, int);
 
-static int me4000_ao_start(unsigned long *, me4000_ao_context_t *);
-static int me4000_ao_stop(me4000_ao_context_t *);
-static int me4000_ao_immediate_stop(me4000_ao_context_t *);
-static int me4000_ao_timer_set_divisor(u32 *, me4000_ao_context_t *);
-static int me4000_ao_preload(me4000_ao_context_t *);
-static int me4000_ao_preload_update(me4000_ao_context_t *);
-static int me4000_ao_ex_trig_set_edge(int *, me4000_ao_context_t *);
-static int me4000_ao_ex_trig_enable(me4000_ao_context_t *);
-static int me4000_ao_ex_trig_disable(me4000_ao_context_t *);
-static int me4000_ao_prepare(me4000_ao_context_t * ao_info);
-static int me4000_ao_reset(me4000_ao_context_t * ao_info);
-static int me4000_ao_enable_do(me4000_ao_context_t *);
-static int me4000_ao_disable_do(me4000_ao_context_t *);
-static int me4000_ao_fsm_state(int *, me4000_ao_context_t *);
-
-static int me4000_ao_simultaneous_ex_trig(me4000_ao_context_t * ao_context);
-static int me4000_ao_simultaneous_sw(me4000_ao_context_t * ao_context);
-static int me4000_ao_simultaneous_disable(me4000_ao_context_t * ao_context);
-static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * channels,
-					 me4000_ao_context_t * ao_context);
-
-static int me4000_ao_synchronous_ex_trig(me4000_ao_context_t * ao_context);
-static int me4000_ao_synchronous_sw(me4000_ao_context_t * ao_context);
-static int me4000_ao_synchronous_disable(me4000_ao_context_t * ao_context);
+static int me4000_ao_start(unsigned long *, struct me4000_ao_context *);
+static int me4000_ao_stop(struct me4000_ao_context *);
+static int me4000_ao_immediate_stop(struct me4000_ao_context *);
+static int me4000_ao_timer_set_divisor(u32 *, struct me4000_ao_context *);
+static int me4000_ao_preload(struct me4000_ao_context *);
+static int me4000_ao_preload_update(struct me4000_ao_context *);
+static int me4000_ao_ex_trig_set_edge(int *, struct me4000_ao_context *);
+static int me4000_ao_ex_trig_enable(struct me4000_ao_context *);
+static int me4000_ao_ex_trig_disable(struct me4000_ao_context *);
+static int me4000_ao_prepare(struct me4000_ao_context *ao_info);
+static int me4000_ao_reset(struct me4000_ao_context *ao_info);
+static int me4000_ao_enable_do(struct me4000_ao_context *);
+static int me4000_ao_disable_do(struct me4000_ao_context *);
+static int me4000_ao_fsm_state(int *, struct me4000_ao_context *);
+
+static int me4000_ao_simultaneous_ex_trig(struct me4000_ao_context *ao_context);
+static int me4000_ao_simultaneous_sw(struct me4000_ao_context *ao_context);
+static int me4000_ao_simultaneous_disable(struct me4000_ao_context *ao_context);
+static int me4000_ao_simultaneous_update(
+					struct me4000_ao_channel_list *channels,
+					struct me4000_ao_context *ao_context);
+
+static int me4000_ao_synchronous_ex_trig(struct me4000_ao_context *ao_context);
+static int me4000_ao_synchronous_sw(struct me4000_ao_context *ao_context);
+static int me4000_ao_synchronous_disable(struct me4000_ao_context *ao_context);
 
 static int me4000_ao_ex_trig_timeout(unsigned long *arg,
-				     me4000_ao_context_t * ao_context);
+				     struct me4000_ao_context *ao_context);
 static int me4000_ao_get_free_buffer(unsigned long *arg,
-				     me4000_ao_context_t * ao_context);
+				     struct me4000_ao_context *ao_context);
 
 /*-----------------------------------------------------------------------------
   Analog input stuff
   ---------------------------------------------------------------------------*/
-static int me4000_ai_single(me4000_ai_single_t *, me4000_ai_context_t *);
+static int me4000_ai_single(struct me4000_ai_single *,
+				struct me4000_ai_context *);
 static int me4000_ai_ioctl_sing(struct inode *, struct file *, unsigned int,
 				unsigned long);
 
@@ -186,68 +171,69 @@ static int me4000_ai_fasync(int fd, struct file *file_p, int mode);
 static int me4000_ai_ioctl_ext(struct inode *, struct file *, unsigned int,
 			       unsigned long);
 
-static int me4000_ai_prepare(me4000_ai_context_t * ai_context);
-static int me4000_ai_reset(me4000_ai_context_t * ai_context);
-static int me4000_ai_config(me4000_ai_config_t *, me4000_ai_context_t *);
-static int me4000_ai_start(me4000_ai_context_t *);
-static int me4000_ai_start_ex(unsigned long *, me4000_ai_context_t *);
-static int me4000_ai_stop(me4000_ai_context_t *);
-static int me4000_ai_immediate_stop(me4000_ai_context_t *);
-static int me4000_ai_ex_trig_enable(me4000_ai_context_t *);
-static int me4000_ai_ex_trig_disable(me4000_ai_context_t *);
-static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t *,
-				   me4000_ai_context_t *);
-static int me4000_ai_sc_setup(me4000_ai_sc_t * arg,
-			      me4000_ai_context_t * ai_context);
-static int me4000_ai_offset_enable(me4000_ai_context_t * ai_context);
-static int me4000_ai_offset_disable(me4000_ai_context_t * ai_context);
-static int me4000_ai_fullscale_enable(me4000_ai_context_t * ai_context);
-static int me4000_ai_fullscale_disable(me4000_ai_context_t * ai_context);
-static int me4000_ai_fsm_state(int *arg, me4000_ai_context_t * ai_context);
+static int me4000_ai_prepare(struct me4000_ai_context *ai_context);
+static int me4000_ai_reset(struct me4000_ai_context *ai_context);
+static int me4000_ai_config(struct me4000_ai_config *,
+				struct me4000_ai_context *);
+static int me4000_ai_start(struct me4000_ai_context *);
+static int me4000_ai_start_ex(unsigned long *, struct me4000_ai_context *);
+static int me4000_ai_stop(struct me4000_ai_context *);
+static int me4000_ai_immediate_stop(struct me4000_ai_context *);
+static int me4000_ai_ex_trig_enable(struct me4000_ai_context *);
+static int me4000_ai_ex_trig_disable(struct me4000_ai_context *);
+static int me4000_ai_ex_trig_setup(struct me4000_ai_trigger *,
+				   struct me4000_ai_context *);
+static int me4000_ai_sc_setup(struct me4000_ai_sc *arg,
+			      struct me4000_ai_context *ai_context);
+static int me4000_ai_offset_enable(struct me4000_ai_context *ai_context);
+static int me4000_ai_offset_disable(struct me4000_ai_context *ai_context);
+static int me4000_ai_fullscale_enable(struct me4000_ai_context *ai_context);
+static int me4000_ai_fullscale_disable(struct me4000_ai_context *ai_context);
+static int me4000_ai_fsm_state(int *arg, struct me4000_ai_context *ai_context);
 static int me4000_ai_get_count_buffer(unsigned long *arg,
-				      me4000_ai_context_t * ai_context);
+				      struct me4000_ai_context *ai_context);
 
 /*-----------------------------------------------------------------------------
   EEPROM stuff
   ---------------------------------------------------------------------------*/
-static int me4000_eeprom_read(me4000_eeprom_t * arg,
-			      me4000_ai_context_t * ai_context);
-static int me4000_eeprom_write(me4000_eeprom_t * arg,
-			       me4000_ai_context_t * ai_context);
-static unsigned short eeprom_read_cmd(me4000_ai_context_t * ai_context,
-				      unsigned long cmd, int length);
-static int eeprom_write_cmd(me4000_ai_context_t * ai_context, unsigned long cmd,
-			    int length);
+static int me4000_eeprom_read(struct me4000_eeprom *arg,
+			      struct me4000_ai_context *ai_context);
+static int me4000_eeprom_write(struct me4000_eeprom *arg,
+			       struct me4000_ai_context *ai_context);
 
 /*-----------------------------------------------------------------------------
   Digital I/O stuff
   ---------------------------------------------------------------------------*/
 static int me4000_dio_ioctl(struct inode *, struct file *, unsigned int,
 			    unsigned long);
-static int me4000_dio_config(me4000_dio_config_t *, me4000_dio_context_t *);
-static int me4000_dio_get_byte(me4000_dio_byte_t *, me4000_dio_context_t *);
-static int me4000_dio_set_byte(me4000_dio_byte_t *, me4000_dio_context_t *);
-static int me4000_dio_reset(me4000_dio_context_t *);
+static int me4000_dio_config(struct me4000_dio_config *,
+				struct me4000_dio_context *);
+static int me4000_dio_get_byte(struct me4000_dio_byte *,
+				struct me4000_dio_context *);
+static int me4000_dio_set_byte(struct me4000_dio_byte *,
+				struct me4000_dio_context *);
+static int me4000_dio_reset(struct me4000_dio_context *);
 
 /*-----------------------------------------------------------------------------
   Counter stuff
   ---------------------------------------------------------------------------*/
 static int me4000_cnt_ioctl(struct inode *, struct file *, unsigned int,
 			    unsigned long);
-static int me4000_cnt_config(me4000_cnt_config_t *, me4000_cnt_context_t *);
-static int me4000_cnt_read(me4000_cnt_t *, me4000_cnt_context_t *);
-static int me4000_cnt_write(me4000_cnt_t *, me4000_cnt_context_t *);
-static int me4000_cnt_reset(me4000_cnt_context_t *);
+static int me4000_cnt_config(struct me4000_cnt_config *,
+				struct me4000_cnt_context *);
+static int me4000_cnt_read(struct me4000_cnt *, struct me4000_cnt_context *);
+static int me4000_cnt_write(struct me4000_cnt *, struct me4000_cnt_context *);
+static int me4000_cnt_reset(struct me4000_cnt_context *);
 
 /*-----------------------------------------------------------------------------
   External interrupt routines
   ---------------------------------------------------------------------------*/
 static int me4000_ext_int_ioctl(struct inode *, struct file *, unsigned int,
 				unsigned long);
-static int me4000_ext_int_enable(me4000_ext_int_context_t *);
-static int me4000_ext_int_disable(me4000_ext_int_context_t *);
+static int me4000_ext_int_enable(struct me4000_ext_int_context *);
+static int me4000_ext_int_disable(struct me4000_ext_int_context *);
 static int me4000_ext_int_count(unsigned long *arg,
-				me4000_ext_int_context_t * ext_int_context);
+				struct me4000_ext_int_context *ext_int_context);
 static int me4000_ext_int_fasync(int fd, struct file *file_ptr, int mode);
 
 /*-----------------------------------------------------------------------------
@@ -260,27 +246,18 @@ static irqreturn_t me4000_ext_int_isr(int, void *);
 /*-----------------------------------------------------------------------------
   Inline functions
   ---------------------------------------------------------------------------*/
-static int inline me4000_buf_count(me4000_circ_buf_t, int);
-static int inline me4000_buf_space(me4000_circ_buf_t, int);
-static int inline me4000_space_to_end(me4000_circ_buf_t, int);
-static int inline me4000_values_to_end(me4000_circ_buf_t, int);
-
-static void inline me4000_outb(unsigned char value, unsigned long port);
-static void inline me4000_outl(unsigned long value, unsigned long port);
-static unsigned long inline me4000_inl(unsigned long port);
-static unsigned char inline me4000_inb(unsigned long port);
 
-static int me4000_buf_count(me4000_circ_buf_t buf, int size)
+static int inline me4000_buf_count(struct me4000_circ_buf buf, int size)
 {
 	return ((buf.head - buf.tail) & (size - 1));
 }
 
-static int me4000_buf_space(me4000_circ_buf_t buf, int size)
+static int inline me4000_buf_space(struct me4000_circ_buf buf, int size)
 {
 	return ((buf.tail - (buf.head + 1)) & (size - 1));
 }
 
-static int me4000_values_to_end(me4000_circ_buf_t buf, int size)
+static int inline me4000_values_to_end(struct me4000_circ_buf buf, int size)
 {
 	int end;
 	int n;
@@ -289,7 +266,7 @@ static int me4000_values_to_end(me4000_circ_buf_t buf, int size)
 	return (n < end) ? n : end;
 }
 
-static int me4000_space_to_end(me4000_circ_buf_t buf, int size)
+static int inline me4000_space_to_end(struct me4000_circ_buf buf, int size)
 {
 	int end;
 	int n;
@@ -299,19 +276,19 @@ static int me4000_space_to_end(me4000_circ_buf_t buf, int size)
 	return (n <= end) ? n : (end + 1);
 }
 
-static void me4000_outb(unsigned char value, unsigned long port)
+static void inline me4000_outb(unsigned char value, unsigned long port)
 {
 	PORT_PDEBUG("--> 0x%02X port 0x%04lX\n", value, port);
 	outb(value, port);
 }
 
-static void me4000_outl(unsigned long value, unsigned long port)
+static void inline me4000_outl(unsigned long value, unsigned long port)
 {
 	PORT_PDEBUG("--> 0x%08lX port 0x%04lX\n", value, port);
 	outl(value, port);
 }
 
-static unsigned long me4000_inl(unsigned long port)
+static unsigned long inline me4000_inl(unsigned long port)
 {
 	unsigned long value;
 	value = inl(port);
@@ -319,7 +296,7 @@ static unsigned long me4000_inl(unsigned long port)
 	return value;
 }
 
-static unsigned char me4000_inb(unsigned long port)
+static unsigned char inline me4000_inb(unsigned long port)
 {
 	unsigned char value;
 	value = inb(port);
@@ -327,102 +304,102 @@ static unsigned char me4000_inb(unsigned long port)
 	return value;
 }
 
-struct pci_driver me4000_driver = {
+static struct pci_driver me4000_driver = {
 	.name = ME4000_NAME,
 	.id_table = me4000_pci_table,
 	.probe = me4000_probe
 };
 
 static struct file_operations me4000_ao_fops_sing = {
-      owner:THIS_MODULE,
-      write:me4000_ao_write_sing,
-      ioctl:me4000_ao_ioctl_sing,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .write = me4000_ao_write_sing,
+      .ioctl = me4000_ao_ioctl_sing,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_ao_fops_wrap = {
-      owner:THIS_MODULE,
-      write:me4000_ao_write_wrap,
-      ioctl:me4000_ao_ioctl_wrap,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .write = me4000_ao_write_wrap,
+      .ioctl = me4000_ao_ioctl_wrap,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_ao_fops_cont = {
-      owner:THIS_MODULE,
-      write:me4000_ao_write_cont,
-      poll:me4000_ao_poll_cont,
-      ioctl:me4000_ao_ioctl_cont,
-      open:me4000_open,
-      release:me4000_release,
-      fsync:me4000_ao_fsync_cont,
+      .owner = THIS_MODULE,
+      .write = me4000_ao_write_cont,
+      .poll = me4000_ao_poll_cont,
+      .ioctl = me4000_ao_ioctl_cont,
+      .open = me4000_open,
+      .release = me4000_release,
+      .fsync = me4000_ao_fsync_cont,
 };
 
 static struct file_operations me4000_ai_fops_sing = {
-      owner:THIS_MODULE,
-      ioctl:me4000_ai_ioctl_sing,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .ioctl = me4000_ai_ioctl_sing,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_ai_fops_cont_sw = {
-      owner:THIS_MODULE,
-      read:me4000_ai_read,
-      poll:me4000_ai_poll,
-      ioctl:me4000_ai_ioctl_sw,
-      open:me4000_open,
-      release:me4000_release,
-      fasync:me4000_ai_fasync,
+      .owner = THIS_MODULE,
+      .read = me4000_ai_read,
+      .poll = me4000_ai_poll,
+      .ioctl = me4000_ai_ioctl_sw,
+      .open = me4000_open,
+      .release = me4000_release,
+      .fasync = me4000_ai_fasync,
 };
 
 static struct file_operations me4000_ai_fops_cont_et = {
-      owner:THIS_MODULE,
-      read:me4000_ai_read,
-      poll:me4000_ai_poll,
-      ioctl:me4000_ai_ioctl_ext,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .read = me4000_ai_read,
+      .poll = me4000_ai_poll,
+      .ioctl = me4000_ai_ioctl_ext,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_ai_fops_cont_et_value = {
-      owner:THIS_MODULE,
-      read:me4000_ai_read,
-      poll:me4000_ai_poll,
-      ioctl:me4000_ai_ioctl_ext,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .read = me4000_ai_read,
+      .poll = me4000_ai_poll,
+      .ioctl = me4000_ai_ioctl_ext,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_ai_fops_cont_et_chanlist = {
-      owner:THIS_MODULE,
-      read:me4000_ai_read,
-      poll:me4000_ai_poll,
-      ioctl:me4000_ai_ioctl_ext,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .read = me4000_ai_read,
+      .poll = me4000_ai_poll,
+      .ioctl = me4000_ai_ioctl_ext,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_dio_fops = {
-      owner:THIS_MODULE,
-      ioctl:me4000_dio_ioctl,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .ioctl = me4000_dio_ioctl,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_cnt_fops = {
-      owner:THIS_MODULE,
-      ioctl:me4000_cnt_ioctl,
-      open:me4000_open,
-      release:me4000_release,
+      .owner = THIS_MODULE,
+      .ioctl = me4000_cnt_ioctl,
+      .open = me4000_open,
+      .release = me4000_release,
 };
 
 static struct file_operations me4000_ext_int_fops = {
-      owner:THIS_MODULE,
-      ioctl:me4000_ext_int_ioctl,
-      open:me4000_open,
-      release:me4000_release,
-      fasync:me4000_ext_int_fasync,
+      .owner = THIS_MODULE,
+      .ioctl = me4000_ext_int_ioctl,
+      .open = me4000_open,
+      .release = me4000_release,
+      .fasync = me4000_ext_int_fasync,
 };
 
 static struct file_operations *me4000_ao_fops_array[] = {
@@ -439,9 +416,9 @@ static struct file_operations *me4000_ai_fops_array[] = {
 	&me4000_ai_fops_cont_et_chanlist,	// work through one channel list by external trigger
 };
 
-int __init me4000_init_module(void)
+static int __init me4000_init_module(void)
 {
-	int result = 0;
+	int result;
 
 	CALL_PDEBUG("init_module() is executed\n");
 
@@ -533,26 +510,26 @@ int __init me4000_init_module(void)
 
 	return 0;
 
-      INIT_ERROR_7:
+INIT_ERROR_7:
 	unregister_chrdev(me4000_ext_int_major_driver_no, ME4000_EXT_INT_NAME);
 
-      INIT_ERROR_6:
+INIT_ERROR_6:
 	unregister_chrdev(me4000_cnt_major_driver_no, ME4000_CNT_NAME);
 
-      INIT_ERROR_5:
+INIT_ERROR_5:
 	unregister_chrdev(me4000_dio_major_driver_no, ME4000_DIO_NAME);
 
-      INIT_ERROR_4:
+INIT_ERROR_4:
 	unregister_chrdev(me4000_ai_major_driver_no, ME4000_AI_NAME);
 
-      INIT_ERROR_3:
+INIT_ERROR_3:
 	unregister_chrdev(me4000_ao_major_driver_no, ME4000_AO_NAME);
 
-      INIT_ERROR_2:
+INIT_ERROR_2:
 	pci_unregister_driver(&me4000_driver);
 	clear_board_info_list();
 
-      INIT_ERROR_1:
+INIT_ERROR_1:
 	return result;
 }
 
@@ -562,18 +539,18 @@ static void clear_board_info_list(void)
 {
 	struct list_head *board_p;
 	struct list_head *dac_p;
-	me4000_info_t *board_info;
-	me4000_ao_context_t *ao_context;
+	struct me4000_info *board_info;
+	struct me4000_ao_context *ao_context;
 
 	/* Clear context lists */
 	for (board_p = me4000_board_info_list.next;
 	     board_p != &me4000_board_info_list; board_p = board_p->next) {
-		board_info = list_entry(board_p, me4000_info_t, list);
+		board_info = list_entry(board_p, struct me4000_info, list);
 		/* Clear analog output context list */
 		while (!list_empty(&board_info->ao_context_list)) {
 			dac_p = board_info->ao_context_list.next;
 			ao_context =
-			    list_entry(dac_p, me4000_ao_context_t, list);
+			    list_entry(dac_p, struct me4000_ao_context, list);
 			me4000_ao_reset(ao_context);
 			free_irq(ao_context->irq, ao_context);
 			if (ao_context->circ_buf.buf)
@@ -600,14 +577,14 @@ static void clear_board_info_list(void)
 	/* Clear the board info list */
 	while (!list_empty(&me4000_board_info_list)) {
 		board_p = me4000_board_info_list.next;
-		board_info = list_entry(board_p, me4000_info_t, list);
+		board_info = list_entry(board_p, struct me4000_info, list);
 		pci_release_regions(board_info->pci_dev_p);
 		list_del(board_p);
 		kfree(board_info);
 	}
 }
 
-static int get_registers(struct pci_dev *dev, me4000_info_t * board_info)
+static int get_registers(struct pci_dev *dev, struct me4000_info *board_info)
 {
 
 	/*--------------------------- plx regbase ---------------------------------*/
@@ -667,20 +644,20 @@ static int get_registers(struct pci_dev *dev, me4000_info_t * board_info)
 }
 
 static int init_board_info(struct pci_dev *pci_dev_p,
-			   me4000_info_t * board_info)
+			   struct me4000_info *board_info)
 {
 	int i;
 	int result;
 	struct list_head *board_p;
 	board_info->pci_dev_p = pci_dev_p;
 
-	for (i = 0; i < ME4000_BOARD_VERSIONS; i++) {
+	for (i = 0; i < ARRAY_SIZE(me4000_boards); i++) {
 		if (me4000_boards[i].device_id == pci_dev_p->device) {
 			board_info->board_p = &me4000_boards[i];
 			break;
 		}
 	}
-	if (i == ME4000_BOARD_VERSIONS) {
+	if (i == ARRAY_SIZE(me4000_boards)) {
 		printk(KERN_ERR
 		       "ME4000:init_board_info():Device ID not valid\n");
 		return -ENODEV;
@@ -755,21 +732,21 @@ static int init_board_info(struct pci_dev *pci_dev_p,
 	return 0;
 }
 
-static int alloc_ao_contexts(me4000_info_t * info)
+static int alloc_ao_contexts(struct me4000_info *info)
 {
 	int i;
 	int err;
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 
 	for (i = 0; i < info->board_p->ao.count; i++) {
-		ao_context = kmalloc(sizeof(me4000_ao_context_t), GFP_KERNEL);
+		ao_context = kzalloc(sizeof(struct me4000_ao_context),
+								GFP_KERNEL);
 		if (!ao_context) {
 			printk(KERN_ERR
 			       "alloc_ao_contexts():Can't get memory for ao context\n");
 			release_ao_contexts(info);
 			return -ENOMEM;
 		}
-		memset(ao_context, 0, sizeof(me4000_ao_context_t));
 
 		spin_lock_init(&ao_context->use_lock);
 		spin_lock_init(&ao_context->int_lock);
@@ -780,15 +757,13 @@ static int alloc_ao_contexts(me4000_info_t * info)
 		if (info->board_p->ao.fifo_count) {
 			/* Allocate circular buffer */
 			ao_context->circ_buf.buf =
-			    kmalloc(ME4000_AO_BUFFER_SIZE, GFP_KERNEL);
+			    kzalloc(ME4000_AO_BUFFER_SIZE, GFP_KERNEL);
 			if (!ao_context->circ_buf.buf) {
 				printk(KERN_ERR
 				       "alloc_ao_contexts():Can't get circular buffer\n");
 				release_ao_contexts(info);
 				return -ENOMEM;
 			}
-			memset(ao_context->circ_buf.buf, 0,
-			       ME4000_AO_BUFFER_SIZE);
 
 			/* Clear the circular buffer */
 			ao_context->circ_buf.head = 0;
@@ -872,9 +847,8 @@ static int alloc_ao_contexts(me4000_info_t * info)
 					ME4000_NAME, ao_context);
 			if (err) {
 				printk(KERN_ERR
-				       "alloc_ao_contexts():Can't get interrupt line");
-				if (ao_context->circ_buf.buf)
-					kfree(ao_context->circ_buf.buf);
+				       "%s:Can't get interrupt line", __func__);
+				kfree(ao_context->circ_buf.buf);
 				kfree(ao_context);
 				release_ao_contexts(info);
 				return -ENODEV;
@@ -888,35 +862,34 @@ static int alloc_ao_contexts(me4000_info_t * info)
 	return 0;
 }
 
-static void release_ao_contexts(me4000_info_t * board_info)
+static void release_ao_contexts(struct me4000_info *board_info)
 {
 	struct list_head *dac_p;
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 
 	/* Clear analog output context list */
 	while (!list_empty(&board_info->ao_context_list)) {
 		dac_p = board_info->ao_context_list.next;
-		ao_context = list_entry(dac_p, me4000_ao_context_t, list);
+		ao_context = list_entry(dac_p, struct me4000_ao_context, list);
 		free_irq(ao_context->irq, ao_context);
-		if (ao_context->circ_buf.buf)
-			kfree(ao_context->circ_buf.buf);
+		kfree(ao_context->circ_buf.buf);
 		list_del(dac_p);
 		kfree(ao_context);
 	}
 }
 
-static int alloc_ai_context(me4000_info_t * info)
+static int alloc_ai_context(struct me4000_info *info)
 {
-	me4000_ai_context_t *ai_context;
+	struct me4000_ai_context *ai_context;
 
 	if (info->board_p->ai.count) {
-		ai_context = kmalloc(sizeof(me4000_ai_context_t), GFP_KERNEL);
+		ai_context = kzalloc(sizeof(struct me4000_ai_context),
+								GFP_KERNEL);
 		if (!ai_context) {
 			printk(KERN_ERR
 			       "ME4000:alloc_ai_context():Can't get memory for ai context\n");
 			return -ENOMEM;
 		}
-		memset(ai_context, 0, sizeof(me4000_ai_context_t));
 
 		info->ai_context = ai_context;
 
@@ -958,18 +931,18 @@ static int alloc_ai_context(me4000_info_t * info)
 	return 0;
 }
 
-static int alloc_dio_context(me4000_info_t * info)
+static int alloc_dio_context(struct me4000_info *info)
 {
-	me4000_dio_context_t *dio_context;
+	struct me4000_dio_context *dio_context;
 
 	if (info->board_p->dio.count) {
-		dio_context = kmalloc(sizeof(me4000_dio_context_t), GFP_KERNEL);
+		dio_context = kzalloc(sizeof(struct me4000_dio_context),
+								GFP_KERNEL);
 		if (!dio_context) {
 			printk(KERN_ERR
 			       "ME4000:alloc_dio_context():Can't get memory for dio context\n");
 			return -ENOMEM;
 		}
-		memset(dio_context, 0, sizeof(me4000_dio_context_t));
 
 		info->dio_context = dio_context;
 
@@ -995,18 +968,18 @@ static int alloc_dio_context(me4000_info_t * info)
 	return 0;
 }
 
-static int alloc_cnt_context(me4000_info_t * info)
+static int alloc_cnt_context(struct me4000_info *info)
 {
-	me4000_cnt_context_t *cnt_context;
+	struct me4000_cnt_context *cnt_context;
 
 	if (info->board_p->cnt.count) {
-		cnt_context = kmalloc(sizeof(me4000_cnt_context_t), GFP_KERNEL);
+		cnt_context = kzalloc(sizeof(struct me4000_cnt_context),
+								GFP_KERNEL);
 		if (!cnt_context) {
 			printk(KERN_ERR
 			       "ME4000:alloc_cnt_context():Can't get memory for cnt context\n");
 			return -ENOMEM;
 		}
-		memset(cnt_context, 0, sizeof(me4000_cnt_context_t));
 
 		info->cnt_context = cnt_context;
 
@@ -1026,19 +999,18 @@ static int alloc_cnt_context(me4000_info_t * info)
 	return 0;
 }
 
-static int alloc_ext_int_context(me4000_info_t * info)
+static int alloc_ext_int_context(struct me4000_info *info)
 {
-	me4000_ext_int_context_t *ext_int_context;
+	struct me4000_ext_int_context *ext_int_context;
 
 	if (info->board_p->cnt.count) {
 		ext_int_context =
-		    kmalloc(sizeof(me4000_ext_int_context_t), GFP_KERNEL);
+		    kzalloc(sizeof(struct me4000_ext_int_context), GFP_KERNEL);
 		if (!ext_int_context) {
 			printk(KERN_ERR
 			       "ME4000:alloc_ext_int_context():Can't get memory for cnt context\n");
 			return -ENOMEM;
 		}
-		memset(ext_int_context, 0, sizeof(me4000_ext_int_context_t));
 
 		info->ext_int_context = ext_int_context;
 
@@ -1060,19 +1032,18 @@ static int alloc_ext_int_context(me4000_info_t * info)
 static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
 	int result = 0;
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 
 	CALL_PDEBUG("me4000_probe() is executed\n");
 
 	/* Allocate structure for board context */
-	board_info = kmalloc(sizeof(me4000_info_t), GFP_KERNEL);
+	board_info = kzalloc(sizeof(struct me4000_info), GFP_KERNEL);
 	if (!board_info) {
 		printk(KERN_ERR
 		       "ME4000:Can't get memory for board info structure\n");
 		result = -ENOMEM;
 		goto PROBE_ERROR_1;
 	}
-	memset(board_info, 0, sizeof(me4000_info_t));
 
 	/* Add to global linked list */
 	list_add_tail(&board_info->list, &me4000_board_info_list);
@@ -1080,70 +1051,70 @@ static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	/* Get the PCI base registers */
 	result = get_registers(dev, board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe():Cannot get registers\n");
+		printk(KERN_ERR "%s:Cannot get registers\n", __func__);
 		goto PROBE_ERROR_2;
 	}
 
 	/* Enable the device */
 	result = pci_enable_device(dev);
 	if (result < 0) {
-		printk(KERN_ERR "me4000_probe():Cannot enable PCI device\n");
+		printk(KERN_ERR "%s:Cannot enable PCI device\n", __func__);
 		goto PROBE_ERROR_2;
 	}
 
 	/* Request the PCI register regions */
 	result = pci_request_regions(dev, ME4000_NAME);
 	if (result < 0) {
-		printk(KERN_ERR "me4000_probe():Cannot request I/O regions\n");
+		printk(KERN_ERR "%s:Cannot request I/O regions\n", __func__);
 		goto PROBE_ERROR_2;
 	}
 
 	/* Initialize board info */
 	result = init_board_info(dev, board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe():Cannot init baord info\n");
+		printk(KERN_ERR "%s:Cannot init baord info\n", __func__);
 		goto PROBE_ERROR_3;
 	}
 
 	/* Download the xilinx firmware */
 	result = me4000_xilinx_download(board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe:Can't download firmware\n");
+		printk(KERN_ERR "%s:Can't download firmware\n", __func__);
 		goto PROBE_ERROR_3;
 	}
 
 	/* Make a hardware reset */
 	result = me4000_reset_board(board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe:Can't reset board\n");
+		printk(KERN_ERR "%s :Can't reset board\n", __func__);
 		goto PROBE_ERROR_3;
 	}
 
 	/* Allocate analog output context structures */
 	result = alloc_ao_contexts(board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe():Cannot allocate ao contexts\n");
+		printk(KERN_ERR "%s:Cannot allocate ao contexts\n", __func__);
 		goto PROBE_ERROR_3;
 	}
 
 	/* Allocate analog input context */
 	result = alloc_ai_context(board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe():Cannot allocate ai context\n");
+		printk(KERN_ERR "%s:Cannot allocate ai context\n", __func__);
 		goto PROBE_ERROR_4;
 	}
 
 	/* Allocate digital I/O context */
 	result = alloc_dio_context(board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe():Cannot allocate dio context\n");
+		printk(KERN_ERR "%s:Cannot allocate dio context\n", __func__);
 		goto PROBE_ERROR_5;
 	}
 
 	/* Allocate counter context */
 	result = alloc_cnt_context(board_info);
 	if (result) {
-		printk(KERN_ERR "me4000_probe():Cannot allocate cnt context\n");
+		printk(KERN_ERR "%s:Cannot allocate cnt context\n", __func__);
 		goto PROBE_ERROR_6;
 	}
 
@@ -1151,36 +1122,36 @@ static int me4000_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	result = alloc_ext_int_context(board_info);
 	if (result) {
 		printk(KERN_ERR
-		       "me4000_probe():Cannot allocate ext_int context\n");
+		       "%s:Cannot allocate ext_int context\n", __func__);
 		goto PROBE_ERROR_7;
 	}
 
 	return 0;
 
-      PROBE_ERROR_7:
+PROBE_ERROR_7:
 	kfree(board_info->cnt_context);
 
-      PROBE_ERROR_6:
+PROBE_ERROR_6:
 	kfree(board_info->dio_context);
 
-      PROBE_ERROR_5:
+PROBE_ERROR_5:
 	kfree(board_info->ai_context);
 
-      PROBE_ERROR_4:
+PROBE_ERROR_4:
 	release_ao_contexts(board_info);
 
-      PROBE_ERROR_3:
+PROBE_ERROR_3:
 	pci_release_regions(dev);
 
-      PROBE_ERROR_2:
+PROBE_ERROR_2:
 	list_del(&board_info->list);
 	kfree(board_info);
 
-      PROBE_ERROR_1:
+PROBE_ERROR_1:
 	return result;
 }
 
-static int me4000_xilinx_download(me4000_info_t * info)
+static int me4000_xilinx_download(struct me4000_info *info)
 {
 	int size = 0;
 	u32 value = 0;
@@ -1211,7 +1182,7 @@ static int me4000_xilinx_download(me4000_info_t * info)
 	/* Wait until /INIT pin is set */
 	udelay(20);
 	if (!inl(info->plx_regbase + PLX_INTCSR) & 0x20) {
-		printk(KERN_ERR "me4000_xilinx_download():Can't init Xilinx\n");
+		printk(KERN_ERR "%s:Can't init Xilinx\n", __func__);
 		return -EIO;
 	}
 
@@ -1232,7 +1203,7 @@ static int me4000_xilinx_download(me4000_info_t * info)
 		/* Check if BUSY flag is low */
 		if (inl(info->plx_regbase + PLX_ICR) & 0x20) {
 			printk(KERN_ERR
-			       "me4000_xilinx_download():Xilinx is still busy (idx = %d)\n",
+			       "%s:Xilinx is still busy (idx = %d)\n", __func__,
 			       idx);
 			return -EIO;
 		}
@@ -1246,9 +1217,9 @@ static int me4000_xilinx_download(me4000_info_t * info)
 		PDEBUG("me4000_xilinx_download():Download was successful\n");
 	} else {
 		printk(KERN_ERR
-		       "ME4000:me4000_xilinx_download():DONE flag is not set\n");
+		       "ME4000:%s:DONE flag is not set\n", __func__);
 		printk(KERN_ERR
-		       "ME4000:me4000_xilinx_download():Download not succesful\n");
+		       "ME4000:%s:Download not succesful\n", __func__);
 		return -EIO;
 	}
 
@@ -1260,7 +1231,7 @@ static int me4000_xilinx_download(me4000_info_t * info)
 	return 0;
 }
 
-static int me4000_reset_board(me4000_info_t * info)
+static int me4000_reset_board(struct me4000_info *info)
 {
 	unsigned long icr;
 
@@ -1314,12 +1285,12 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 	int err = 0;
 	int i;
 	struct list_head *ptr;
-	me4000_info_t *board_info = NULL;
-	me4000_ao_context_t *ao_context = NULL;
-	me4000_ai_context_t *ai_context = NULL;
-	me4000_dio_context_t *dio_context = NULL;
-	me4000_cnt_context_t *cnt_context = NULL;
-	me4000_ext_int_context_t *ext_int_context = NULL;
+	struct me4000_info *board_info = NULL;
+	struct me4000_ao_context *ao_context = NULL;
+	struct me4000_ai_context *ai_context = NULL;
+	struct me4000_dio_context *dio_context = NULL;
+	struct me4000_cnt_context *cnt_context = NULL;
+	struct me4000_ext_int_context *ext_int_context = NULL;
 
 	CALL_PDEBUG("me4000_open() is executed\n");
 
@@ -1335,7 +1306,7 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 		/* Search for the board context */
 		for (ptr = me4000_board_info_list.next, i = 0;
 		     ptr != &me4000_board_info_list; ptr = ptr->next, i++) {
-			board_info = list_entry(ptr, me4000_info_t, list);
+			board_info = list_entry(ptr, struct me4000_info, list);
 			if (i == board)
 				break;
 		}
@@ -1351,7 +1322,8 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 		for (ptr = board_info->ao_context_list.next, i = 0;
 		     ptr != &board_info->ao_context_list;
 		     ptr = ptr->next, i++) {
-			ao_context = list_entry(ptr, me4000_ao_context_t, list);
+			ao_context = list_entry(ptr, struct me4000_ao_context,
+									list);
 			if (i == dev)
 				break;
 		}
@@ -1415,7 +1387,7 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 		/* Search for the board context */
 		for (ptr = me4000_board_info_list.next, i = 0;
 		     ptr != &me4000_board_info_list; ptr = ptr->next, i++) {
-			board_info = list_entry(ptr, me4000_info_t, list);
+			board_info = list_entry(ptr, struct me4000_info, list);
 			if (i == board)
 				break;
 		}
@@ -1469,7 +1441,7 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 		/* Search for the board context */
 		for (ptr = me4000_board_info_list.next;
 		     ptr != &me4000_board_info_list; ptr = ptr->next) {
-			board_info = list_entry(ptr, me4000_info_t, list);
+			board_info = list_entry(ptr, struct me4000_info, list);
 			if (board_info->board_count == board)
 				break;
 		}
@@ -1514,7 +1486,7 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 		/* Search for the board context */
 		for (ptr = me4000_board_info_list.next;
 		     ptr != &me4000_board_info_list; ptr = ptr->next) {
-			board_info = list_entry(ptr, me4000_info_t, list);
+			board_info = list_entry(ptr, struct me4000_info, list);
 			if (board_info->board_count == board)
 				break;
 		}
@@ -1557,7 +1529,7 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 		/* Search for the board context */
 		for (ptr = me4000_board_info_list.next;
 		     ptr != &me4000_board_info_list; ptr = ptr->next) {
-			board_info = list_entry(ptr, me4000_info_t, list);
+			board_info = list_entry(ptr, struct me4000_info, list);
 			if (board_info->board_count == board)
 				break;
 		}
@@ -1613,11 +1585,11 @@ static int me4000_open(struct inode *inode_p, struct file *file_p)
 
 static int me4000_release(struct inode *inode_p, struct file *file_p)
 {
-	me4000_ao_context_t *ao_context;
-	me4000_ai_context_t *ai_context;
-	me4000_dio_context_t *dio_context;
-	me4000_cnt_context_t *cnt_context;
-	me4000_ext_int_context_t *ext_int_context;
+	struct me4000_ao_context *ao_context;
+	struct me4000_ai_context *ai_context;
+	struct me4000_dio_context *dio_context;
+	struct me4000_cnt_context *cnt_context;
+	struct me4000_ext_int_context *ext_int_context;
 
 	CALL_PDEBUG("me4000_release() is executed\n");
 
@@ -1677,7 +1649,7 @@ static int me4000_release(struct inode *inode_p, struct file *file_p)
 
 /*------------------------------- Analog output stuff --------------------------------------*/
 
-static int me4000_ao_prepare(me4000_ao_context_t * ao_context)
+static int me4000_ao_prepare(struct me4000_ao_context *ao_context)
 {
 	unsigned long flags;
 
@@ -1756,7 +1728,7 @@ static int me4000_ao_prepare(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_reset(me4000_ao_context_t * ao_context)
+static int me4000_ao_reset(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	wait_queue_head_t queue;
@@ -1777,9 +1749,10 @@ static int me4000_ao_reset(me4000_ao_context_t * ao_context)
 		tmp |= ME4000_AO_CTRL_BIT_IMMEDIATE_STOP;
 		me4000_outl(tmp, ao_context->ctrl_reg);
 
-		while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
-			sleep_on_timeout(&queue, 1);
-		}
+		wait_event_timeout(queue,
+			(inl(ao_context->status_reg) &
+				ME4000_AO_STATUS_BIT_FSM) == 0,
+			1);
 
 		/* Set to transparent mode */
 		me4000_ao_simultaneous_disable(ao_context);
@@ -1812,9 +1785,10 @@ static int me4000_ao_reset(me4000_ao_context_t * ao_context)
 		me4000_outl(tmp, ao_context->ctrl_reg);
 		spin_unlock_irqrestore(&ao_context->int_lock, flags);
 
-		while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
-			sleep_on_timeout(&queue, 1);
-		}
+		wait_event_timeout(queue,
+			(inl(ao_context->status_reg) &
+				ME4000_AO_STATUS_BIT_FSM) == 0,
+			1);
 
 		/* Clear the circular buffer */
 		ao_context->circ_buf.head = 0;
@@ -1853,9 +1827,9 @@ static int me4000_ao_reset(me4000_ao_context_t * ao_context)
 }
 
 static ssize_t me4000_ao_write_sing(struct file *filep, const char *buff,
-				    size_t cnt, loff_t * offp)
+				    size_t cnt, loff_t *offp)
 {
-	me4000_ao_context_t *ao_context = filep->private_data;
+	struct me4000_ao_context *ao_context = filep->private_data;
 	u32 value;
 	const u16 *buffer = (const u16 *)buff;
 
@@ -1863,13 +1837,13 @@ static ssize_t me4000_ao_write_sing(struct file *filep, const char *buff,
 
 	if (cnt != 2) {
 		printk(KERN_ERR
-		       "me4000_ao_write_sing():Write count is not 2\n");
+		       "%s:Write count is not 2\n", __func__);
 		return -EINVAL;
 	}
 
 	if (get_user(value, buffer)) {
 		printk(KERN_ERR
-		       "me4000_ao_write_sing():Cannot copy data from user\n");
+		       "%s:Cannot copy data from user\n", __func__);
 		return -EFAULT;
 	}
 
@@ -1879,9 +1853,9 @@ static ssize_t me4000_ao_write_sing(struct file *filep, const char *buff,
 }
 
 static ssize_t me4000_ao_write_wrap(struct file *filep, const char *buff,
-				    size_t cnt, loff_t * offp)
+				    size_t cnt, loff_t *offp)
 {
-	me4000_ao_context_t *ao_context = filep->private_data;
+	struct me4000_ao_context *ao_context = filep->private_data;
 	size_t i;
 	u32 value;
 	u32 tmp;
@@ -1893,13 +1867,13 @@ static ssize_t me4000_ao_write_wrap(struct file *filep, const char *buff,
 	/* Check if a conversion is already running */
 	if (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
 		printk(KERN_ERR
-		       "ME4000:me4000_ao_write_wrap():There is already a conversion running\n");
+		       "%s:There is already a conversion running\n", __func__);
 		return -EBUSY;
 	}
 
 	if (count > ME4000_AO_FIFO_COUNT) {
 		printk(KERN_ERR
-		       "me4000_ao_write_wrap():Can't load more than %d values\n",
+		       "%s:Can't load more than %d values\n", __func__,
 		       ME4000_AO_FIFO_COUNT);
 		return -ENOSPC;
 	}
@@ -1914,7 +1888,7 @@ static ssize_t me4000_ao_write_wrap(struct file *filep, const char *buff,
 	for (i = 0; i < count; i++) {
 		if (get_user(value, buffer + i)) {
 			printk(KERN_ERR
-			       "me4000_ao_write_single():Cannot copy data from user\n");
+			       "%s:Cannot copy data from user\n", __func__);
 			return -EFAULT;
 		}
 		if (((ao_context->fifo_reg & 0xFF) == ME4000_AO_01_FIFO_REG)
@@ -1928,9 +1902,9 @@ static ssize_t me4000_ao_write_wrap(struct file *filep, const char *buff,
 }
 
 static ssize_t me4000_ao_write_cont(struct file *filep, const char *buff,
-				    size_t cnt, loff_t * offp)
+				    size_t cnt, loff_t *offp)
 {
-	me4000_ao_context_t *ao_context = filep->private_data;
+	struct me4000_ao_context *ao_context = filep->private_data;
 	const u16 *buffer = (const u16 *)buff;
 	size_t count = cnt / 2;
 	unsigned long flags;
@@ -2154,9 +2128,9 @@ static ssize_t me4000_ao_write_cont(struct file *filep, const char *buff,
 	return 2 * ret;
 }
 
-static unsigned int me4000_ao_poll_cont(struct file *file_p, poll_table * wait)
+static unsigned int me4000_ao_poll_cont(struct file *file_p, poll_table *wait)
 {
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 	unsigned long mask = 0;
 
 	CALL_PDEBUG("me4000_ao_poll_cont() is executed\n");
@@ -2177,7 +2151,7 @@ static unsigned int me4000_ao_poll_cont(struct file *file_p, poll_table * wait)
 static int me4000_ao_fsync_cont(struct file *file_p, struct dentry *dentry_p,
 				int datasync)
 {
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 	wait_queue_head_t queue;
 
 	CALL_PDEBUG("me4000_ao_fsync_cont() is executed\n");
@@ -2187,15 +2161,19 @@ static int me4000_ao_fsync_cont(struct file *file_p, struct dentry *dentry_p,
 
 	while (inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM) {
 		interruptible_sleep_on_timeout(&queue, 1);
+			wait_event_interruptible_timeout(queue,
+			!(inl(ao_context->status_reg) & ME4000_AO_STATUS_BIT_FSM),
+			1);
 		if (ao_context->pipe_flag) {
 			printk(KERN_ERR
-			       "me4000_ao_fsync_cont():Broken pipe detected\n");
+			       "%s:Broken pipe detected\n", __func__);
 			return -EPIPE;
 		}
 
 		if (signal_pending(current)) {
 			printk(KERN_ERR
-			       "me4000_ao_fsync_cont():Wait on state machine interrupted\n");
+			       "%s:Wait on state machine interrupted\n",
+			       __func__);
 			return -EINTR;
 		}
 	}
@@ -2206,7 +2184,7 @@ static int me4000_ao_fsync_cont(struct file *file_p, struct dentry *dentry_p,
 static int me4000_ao_ioctl_sing(struct inode *inode_p, struct file *file_p,
 				unsigned int service, unsigned long arg)
 {
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 
 	CALL_PDEBUG("me4000_ao_ioctl_sing() is executed\n");
 
@@ -2229,7 +2207,7 @@ static int me4000_ao_ioctl_sing(struct inode *inode_p, struct file *file_p,
 	case ME4000_AO_PRELOAD_UPDATE:
 		return me4000_ao_preload_update(ao_context);
 	case ME4000_GET_USER_INFO:
-		return me4000_get_user_info((me4000_user_info_t *) arg,
+		return me4000_get_user_info((struct me4000_user_info *)arg,
 					    ao_context->board_info);
 	case ME4000_AO_SIMULTANEOUS_EX_TRIG:
 		return me4000_ao_simultaneous_ex_trig(ao_context);
@@ -2239,8 +2217,9 @@ static int me4000_ao_ioctl_sing(struct inode *inode_p, struct file *file_p,
 		return me4000_ao_simultaneous_disable(ao_context);
 	case ME4000_AO_SIMULTANEOUS_UPDATE:
 		return
-		    me4000_ao_simultaneous_update((me4000_ao_channel_list_t *)
-						  arg, ao_context);
+		    me4000_ao_simultaneous_update(
+		    		(struct me4000_ao_channel_list *)arg,
+				ao_context);
 	case ME4000_AO_EX_TRIG_TIMEOUT:
 		return me4000_ao_ex_trig_timeout((unsigned long *)arg,
 						 ao_context);
@@ -2258,7 +2237,7 @@ static int me4000_ao_ioctl_sing(struct inode *inode_p, struct file *file_p,
 static int me4000_ao_ioctl_wrap(struct inode *inode_p, struct file *file_p,
 				unsigned int service, unsigned long arg)
 {
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 
 	CALL_PDEBUG("me4000_ao_ioctl_wrap() is executed\n");
 
@@ -2287,7 +2266,7 @@ static int me4000_ao_ioctl_wrap(struct inode *inode_p, struct file *file_p,
 	case ME4000_AO_EX_TRIG_DISABLE:
 		return me4000_ao_ex_trig_disable(ao_context);
 	case ME4000_GET_USER_INFO:
-		return me4000_get_user_info((me4000_user_info_t *) arg,
+		return me4000_get_user_info((struct me4000_user_info *)arg,
 					    ao_context->board_info);
 	case ME4000_AO_FSM_STATE:
 		return me4000_ao_fsm_state((int *)arg, ao_context);
@@ -2310,7 +2289,7 @@ static int me4000_ao_ioctl_wrap(struct inode *inode_p, struct file *file_p,
 static int me4000_ao_ioctl_cont(struct inode *inode_p, struct file *file_p,
 				unsigned int service, unsigned long arg)
 {
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 
 	CALL_PDEBUG("me4000_ao_ioctl_cont() is executed\n");
 
@@ -2345,7 +2324,7 @@ static int me4000_ao_ioctl_cont(struct inode *inode_p, struct file *file_p,
 	case ME4000_AO_FSM_STATE:
 		return me4000_ao_fsm_state((int *)arg, ao_context);
 	case ME4000_GET_USER_INFO:
-		return me4000_get_user_info((me4000_user_info_t *) arg,
+		return me4000_get_user_info((struct me4000_user_info *)arg,
 					    ao_context->board_info);
 	case ME4000_AO_SYNCHRONOUS_EX_TRIG:
 		return me4000_ao_synchronous_ex_trig(ao_context);
@@ -2362,7 +2341,8 @@ static int me4000_ao_ioctl_cont(struct inode *inode_p, struct file *file_p,
 	return 0;
 }
 
-static int me4000_ao_start(unsigned long *arg, me4000_ao_context_t * ao_context)
+static int me4000_ao_start(unsigned long *arg,
+			   struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	wait_queue_head_t queue;
@@ -2412,7 +2392,7 @@ static int me4000_ao_start(unsigned long *arg, me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_stop(me4000_ao_context_t * ao_context)
+static int me4000_ao_stop(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	wait_queue_head_t queue;
@@ -2445,7 +2425,7 @@ static int me4000_ao_stop(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_immediate_stop(me4000_ao_context_t * ao_context)
+static int me4000_ao_immediate_stop(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	wait_queue_head_t queue;
@@ -2477,8 +2457,8 @@ static int me4000_ao_immediate_stop(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_timer_set_divisor(u32 * arg,
-				       me4000_ao_context_t * ao_context)
+static int me4000_ao_timer_set_divisor(u32 *arg,
+				       struct me4000_ao_context *ao_context)
 {
 	u32 divisor;
 	u32 tmp;
@@ -2518,7 +2498,7 @@ static int me4000_ao_timer_set_divisor(u32 * arg,
 }
 
 static int me4000_ao_ex_trig_set_edge(int *arg,
-				      me4000_ao_context_t * ao_context)
+				      struct me4000_ao_context *ao_context)
 {
 	int mode;
 	u32 tmp;
@@ -2569,7 +2549,7 @@ static int me4000_ao_ex_trig_set_edge(int *arg,
 	return 0;
 }
 
-static int me4000_ao_ex_trig_enable(me4000_ao_context_t * ao_context)
+static int me4000_ao_ex_trig_enable(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -2593,7 +2573,7 @@ static int me4000_ao_ex_trig_enable(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_ex_trig_disable(me4000_ao_context_t * ao_context)
+static int me4000_ao_ex_trig_disable(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -2617,7 +2597,7 @@ static int me4000_ao_ex_trig_disable(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_simultaneous_disable(me4000_ao_context_t * ao_context)
+static int me4000_ao_simultaneous_disable(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 
@@ -2643,7 +2623,7 @@ static int me4000_ao_simultaneous_disable(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_simultaneous_ex_trig(me4000_ao_context_t * ao_context)
+static int me4000_ao_simultaneous_ex_trig(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 
@@ -2659,7 +2639,7 @@ static int me4000_ao_simultaneous_ex_trig(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_simultaneous_sw(me4000_ao_context_t * ao_context)
+static int me4000_ao_simultaneous_sw(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 
@@ -2675,13 +2655,13 @@ static int me4000_ao_simultaneous_sw(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_preload(me4000_ao_context_t * ao_context)
+static int me4000_ao_preload(struct me4000_ao_context *ao_context)
 {
 	CALL_PDEBUG("me4000_ao_preload() is executed\n");
 	return me4000_ao_simultaneous_sw(ao_context);
 }
 
-static int me4000_ao_preload_update(me4000_ao_context_t * ao_context)
+static int me4000_ao_preload_update(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	u32 ctrl;
@@ -2705,10 +2685,12 @@ static int me4000_ao_preload_update(me4000_ao_context_t * ao_context)
 			if (!
 			    (tmp &
 			     (0x1 <<
-			      (((me4000_ao_context_t *) entry)->index + 16)))) {
+			      (((struct me4000_ao_context *)entry)->index
+			      					      + 16)))) {
 				tmp &=
 				    ~(0x1 <<
-				      (((me4000_ao_context_t *) entry)->index));
+				      (((struct me4000_ao_context *)entry)->
+				      					index));
 			}
 		}
 	}
@@ -2718,18 +2700,19 @@ static int me4000_ao_preload_update(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * arg,
-					 me4000_ao_context_t * ao_context)
+static int me4000_ao_simultaneous_update(struct me4000_ao_channel_list *arg,
+					 struct me4000_ao_context *ao_context)
 {
 	int err;
 	int i;
 	u32 tmp;
-	me4000_ao_channel_list_t channels;
+	struct me4000_ao_channel_list channels;
 
 	CALL_PDEBUG("me4000_ao_simultaneous_update() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&channels, arg, sizeof(me4000_ao_channel_list_t));
+	err = copy_from_user(&channels, arg,
+			sizeof(struct me4000_ao_channel_list));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_ao_simultaneous_update():Can't copy command\n");
@@ -2737,13 +2720,12 @@ static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * arg,
 	}
 
 	channels.list =
-	    kmalloc(sizeof(unsigned long) * channels.count, GFP_KERNEL);
+	    kzalloc(sizeof(unsigned long) * channels.count, GFP_KERNEL);
 	if (!channels.list) {
 		printk(KERN_ERR
 		       "ME4000:me4000_ao_simultaneous_update():Can't get buffer\n");
 		return -ENOMEM;
 	}
-	memset(channels.list, 0, sizeof(unsigned long) * channels.count);
 
 	/* Copy channel list from user */
 	err =
@@ -2777,7 +2759,7 @@ static int me4000_ao_simultaneous_update(me4000_ao_channel_list_t * arg,
 	return 0;
 }
 
-static int me4000_ao_synchronous_ex_trig(me4000_ao_context_t * ao_context)
+static int me4000_ao_synchronous_ex_trig(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -2813,7 +2795,7 @@ static int me4000_ao_synchronous_ex_trig(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_synchronous_sw(me4000_ao_context_t * ao_context)
+static int me4000_ao_synchronous_sw(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -2848,13 +2830,13 @@ static int me4000_ao_synchronous_sw(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_synchronous_disable(me4000_ao_context_t * ao_context)
+static int me4000_ao_synchronous_disable(struct me4000_ao_context *ao_context)
 {
 	return me4000_ao_simultaneous_disable(ao_context);
 }
 
 static int me4000_ao_get_free_buffer(unsigned long *arg,
-				     me4000_ao_context_t * ao_context)
+				     struct me4000_ao_context *ao_context)
 {
 	unsigned long c;
 	int err;
@@ -2864,7 +2846,7 @@ static int me4000_ao_get_free_buffer(unsigned long *arg,
 	err = copy_to_user(arg, &c, sizeof(unsigned long));
 	if (err) {
 		printk(KERN_ERR
-		       "ME4000:me4000_ao_get_free_buffer():Can't copy to user space\n");
+		       "%s:Can't copy to user space\n", __func__);
 		return -EFAULT;
 	}
 
@@ -2872,7 +2854,7 @@ static int me4000_ao_get_free_buffer(unsigned long *arg,
 }
 
 static int me4000_ao_ex_trig_timeout(unsigned long *arg,
-				     me4000_ao_context_t * ao_context)
+				     struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	wait_queue_head_t queue;
@@ -2928,7 +2910,7 @@ static int me4000_ao_ex_trig_timeout(unsigned long *arg,
 	return 0;
 }
 
-static int me4000_ao_enable_do(me4000_ao_context_t * ao_context)
+static int me4000_ao_enable_do(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -2959,7 +2941,7 @@ static int me4000_ao_enable_do(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_disable_do(me4000_ao_context_t * ao_context)
+static int me4000_ao_disable_do(struct me4000_ao_context *ao_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -2989,7 +2971,7 @@ static int me4000_ao_disable_do(me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-static int me4000_ao_fsm_state(int *arg, me4000_ao_context_t * ao_context)
+static int me4000_ao_fsm_state(int *arg, struct me4000_ao_context *ao_context)
 {
 	unsigned long tmp;
 
@@ -3012,9 +2994,9 @@ static int me4000_ao_fsm_state(int *arg, me4000_ao_context_t * ao_context)
 	return 0;
 }
 
-/*------------------------------- Analog input stuff --------------------------------------*/
+/*------------------------- Analog input stuff -------------------------------*/
 
-static int me4000_ai_prepare(me4000_ai_context_t * ai_context)
+static int me4000_ai_prepare(struct me4000_ai_context *ai_context)
 {
 	wait_queue_head_t queue;
 	int err;
@@ -3057,14 +3039,13 @@ static int me4000_ai_prepare(me4000_ai_context_t * ai_context)
 
 		/* Allocate circular buffer */
 		ai_context->circ_buf.buf =
-		    kmalloc(ME4000_AI_BUFFER_SIZE, GFP_KERNEL);
+		    kzalloc(ME4000_AI_BUFFER_SIZE, GFP_KERNEL);
 		if (!ai_context->circ_buf.buf) {
 			printk(KERN_ERR
 			       "ME4000:me4000_ai_prepare():Can't get circular buffer\n");
 			free_irq(ai_context->irq, ai_context);
 			return -ENOMEM;
 		}
-		memset(ai_context->circ_buf.buf, 0, ME4000_AI_BUFFER_SIZE);
 
 		/* Clear the circular buffer */
 		ai_context->circ_buf.head = 0;
@@ -3074,7 +3055,7 @@ static int me4000_ai_prepare(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_reset(me4000_ai_context_t * ai_context)
+static int me4000_ai_reset(struct me4000_ai_context *ai_context)
 {
 	wait_queue_head_t queue;
 	u32 tmp;
@@ -3139,7 +3120,7 @@ static int me4000_ai_reset(me4000_ai_context_t * ai_context)
 static int me4000_ai_ioctl_sing(struct inode *inode_p, struct file *file_p,
 				unsigned int service, unsigned long arg)
 {
-	me4000_ai_context_t *ai_context;
+	struct me4000_ai_context *ai_context;
 
 	CALL_PDEBUG("me4000_ai_ioctl_sing() is executed\n");
 
@@ -3157,16 +3138,17 @@ static int me4000_ai_ioctl_sing(struct inode *inode_p, struct file *file_p,
 
 	switch (service) {
 	case ME4000_AI_SINGLE:
-		return me4000_ai_single((me4000_ai_single_t *) arg, ai_context);
+		return me4000_ai_single((struct me4000_ai_single *)arg,
+								ai_context);
 	case ME4000_AI_EX_TRIG_ENABLE:
 		return me4000_ai_ex_trig_enable(ai_context);
 	case ME4000_AI_EX_TRIG_DISABLE:
 		return me4000_ai_ex_trig_disable(ai_context);
 	case ME4000_AI_EX_TRIG_SETUP:
-		return me4000_ai_ex_trig_setup((me4000_ai_trigger_t *) arg,
+		return me4000_ai_ex_trig_setup((struct me4000_ai_trigger *)arg,
 					       ai_context);
 	case ME4000_GET_USER_INFO:
-		return me4000_get_user_info((me4000_user_info_t *) arg,
+		return me4000_get_user_info((struct me4000_user_info *)arg,
 					    ai_context->board_info);
 	case ME4000_AI_OFFSET_ENABLE:
 		return me4000_ai_offset_enable(ai_context);
@@ -3177,9 +3159,11 @@ static int me4000_ai_ioctl_sing(struct inode *inode_p, struct file *file_p,
 	case ME4000_AI_FULLSCALE_DISABLE:
 		return me4000_ai_fullscale_disable(ai_context);
 	case ME4000_AI_EEPROM_READ:
-		return me4000_eeprom_read((me4000_eeprom_t *) arg, ai_context);
+		return me4000_eeprom_read((struct me4000_eeprom *)arg,
+								ai_context);
 	case ME4000_AI_EEPROM_WRITE:
-		return me4000_eeprom_write((me4000_eeprom_t *) arg, ai_context);
+		return me4000_eeprom_write((struct me4000_eeprom *)arg,
+								ai_context);
 	default:
 		printk(KERN_ERR
 		       "me4000_ai_ioctl_sing():Invalid service number\n");
@@ -3188,10 +3172,10 @@ static int me4000_ai_ioctl_sing(struct inode *inode_p, struct file *file_p,
 	return 0;
 }
 
-static int me4000_ai_single(me4000_ai_single_t * arg,
-			    me4000_ai_context_t * ai_context)
+static int me4000_ai_single(struct me4000_ai_single *arg,
+			    struct me4000_ai_context *ai_context)
 {
-	me4000_ai_single_t cmd;
+	struct me4000_ai_single cmd;
 	int err;
 	u32 tmp;
 	wait_queue_head_t queue;
@@ -3202,7 +3186,7 @@ static int me4000_ai_single(me4000_ai_single_t * arg,
 	init_waitqueue_head(&queue);
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_single_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_ai_single));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_ai_single():Can't copy from user space\n");
@@ -3301,7 +3285,7 @@ static int me4000_ai_single(me4000_ai_single_t * arg,
 	cmd.value = me4000_inl(ai_context->data_reg) & 0xFFFF;
 
 	/* Copy result back to user */
-	err = copy_to_user(arg, &cmd, sizeof(me4000_ai_single_t));
+	err = copy_to_user(arg, &cmd, sizeof(struct me4000_ai_single));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_ai_single():Can't copy to user space\n");
@@ -3314,7 +3298,7 @@ static int me4000_ai_single(me4000_ai_single_t * arg,
 static int me4000_ai_ioctl_sw(struct inode *inode_p, struct file *file_p,
 			      unsigned int service, unsigned long arg)
 {
-	me4000_ai_context_t *ai_context;
+	struct me4000_ai_context *ai_context;
 
 	CALL_PDEBUG("me4000_ai_ioctl_sw() is executed\n");
 
@@ -3332,9 +3316,11 @@ static int me4000_ai_ioctl_sw(struct inode *inode_p, struct file *file_p,
 
 	switch (service) {
 	case ME4000_AI_SC_SETUP:
-		return me4000_ai_sc_setup((me4000_ai_sc_t *) arg, ai_context);
+		return me4000_ai_sc_setup((struct me4000_ai_sc *)arg,
+								ai_context);
 	case ME4000_AI_CONFIG:
-		return me4000_ai_config((me4000_ai_config_t *) arg, ai_context);
+		return me4000_ai_config((struct me4000_ai_config *)arg,
+								ai_context);
 	case ME4000_AI_START:
 		return me4000_ai_start(ai_context);
 	case ME4000_AI_STOP:
@@ -3344,19 +3330,20 @@ static int me4000_ai_ioctl_sw(struct inode *inode_p, struct file *file_p,
 	case ME4000_AI_FSM_STATE:
 		return me4000_ai_fsm_state((int *)arg, ai_context);
 	case ME4000_GET_USER_INFO:
-		return me4000_get_user_info((me4000_user_info_t *) arg,
+		return me4000_get_user_info((struct me4000_user_info *)arg,
 					    ai_context->board_info);
 	case ME4000_AI_EEPROM_READ:
-		return me4000_eeprom_read((me4000_eeprom_t *) arg, ai_context);
+		return me4000_eeprom_read((struct me4000_eeprom *)arg,
+								ai_context);
 	case ME4000_AI_EEPROM_WRITE:
-		return me4000_eeprom_write((me4000_eeprom_t *) arg, ai_context);
+		return me4000_eeprom_write((struct me4000_eeprom *)arg,
+								ai_context);
 	case ME4000_AI_GET_COUNT_BUFFER:
 		return me4000_ai_get_count_buffer((unsigned long *)arg,
 						  ai_context);
 	default:
 		printk(KERN_ERR
-		       "ME4000:me4000_ai_ioctl_sw():Invalid service number %d\n",
-		       service);
+		       "%s:Invalid service number %d\n", __func__, service);
 		return -ENOTTY;
 	}
 	return 0;
@@ -3365,7 +3352,7 @@ static int me4000_ai_ioctl_sw(struct inode *inode_p, struct file *file_p,
 static int me4000_ai_ioctl_ext(struct inode *inode_p, struct file *file_p,
 			       unsigned int service, unsigned long arg)
 {
-	me4000_ai_context_t *ai_context;
+	struct me4000_ai_context *ai_context;
 
 	CALL_PDEBUG("me4000_ai_ioctl_ext() is executed\n");
 
@@ -3383,9 +3370,11 @@ static int me4000_ai_ioctl_ext(struct inode *inode_p, struct file *file_p,
 
 	switch (service) {
 	case ME4000_AI_SC_SETUP:
-		return me4000_ai_sc_setup((me4000_ai_sc_t *) arg, ai_context);
+		return me4000_ai_sc_setup((struct me4000_ai_sc *)arg,
+								ai_context);
 	case ME4000_AI_CONFIG:
-		return me4000_ai_config((me4000_ai_config_t *) arg, ai_context);
+		return me4000_ai_config((struct me4000_ai_config *)arg,
+								ai_context);
 	case ME4000_AI_START:
 		return me4000_ai_start_ex((unsigned long *)arg, ai_context);
 	case ME4000_AI_STOP:
@@ -3397,20 +3386,19 @@ static int me4000_ai_ioctl_ext(struct inode *inode_p, struct file *file_p,
 	case ME4000_AI_EX_TRIG_DISABLE:
 		return me4000_ai_ex_trig_disable(ai_context);
 	case ME4000_AI_EX_TRIG_SETUP:
-		return me4000_ai_ex_trig_setup((me4000_ai_trigger_t *) arg,
+		return me4000_ai_ex_trig_setup((struct me4000_ai_trigger *)arg,
 					       ai_context);
 	case ME4000_AI_FSM_STATE:
 		return me4000_ai_fsm_state((int *)arg, ai_context);
 	case ME4000_GET_USER_INFO:
-		return me4000_get_user_info((me4000_user_info_t *) arg,
+		return me4000_get_user_info((struct me4000_user_info *)arg,
 					    ai_context->board_info);
 	case ME4000_AI_GET_COUNT_BUFFER:
 		return me4000_ai_get_count_buffer((unsigned long *)arg,
 						  ai_context);
 	default:
 		printk(KERN_ERR
-		       "ME4000:me4000_ai_ioctl_ext():Invalid service number %d\n",
-		       service);
+		       "%s:Invalid service number %d\n", __func__ , service);
 		return -ENOTTY;
 	}
 	return 0;
@@ -3418,7 +3406,7 @@ static int me4000_ai_ioctl_ext(struct inode *inode_p, struct file *file_p,
 
 static int me4000_ai_fasync(int fd, struct file *file_p, int mode)
 {
-	me4000_ai_context_t *ai_context;
+	struct me4000_ai_context *ai_context;
 
 	CALL_PDEBUG("me4000_ao_fasync_cont() is executed\n");
 
@@ -3426,10 +3414,10 @@ static int me4000_ai_fasync(int fd, struct file *file_p, int mode)
 	return fasync_helper(fd, file_p, mode, &ai_context->fasync_p);
 }
 
-static int me4000_ai_config(me4000_ai_config_t * arg,
-			    me4000_ai_context_t * ai_context)
+static int me4000_ai_config(struct me4000_ai_config *arg,
+			    struct me4000_ai_context *ai_context)
 {
-	me4000_ai_config_t cmd;
+	struct me4000_ai_config cmd;
 	u32 *list = NULL;
 	u32 mode;
 	int i;
@@ -3451,7 +3439,7 @@ static int me4000_ai_config(me4000_ai_config_t * arg,
 	}
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_config_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_ai_config));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_ai_config():Can't copy from user space\n");
@@ -3671,7 +3659,7 @@ static int me4000_ai_config(me4000_ai_config_t * arg,
 
 	return 0;
 
-      AI_CONFIG_ERR:
+AI_CONFIG_ERR:
 
 	/* Reset the timers */
 	ai_context->chan_timer = 66;
@@ -3699,7 +3687,7 @@ static int me4000_ai_config(me4000_ai_config_t * arg,
 
 }
 
-static int ai_common_start(me4000_ai_context_t * ai_context)
+static int ai_common_start(struct me4000_ai_context *ai_context)
 {
 	u32 tmp;
 	CALL_PDEBUG("ai_common_start() is executed\n");
@@ -3762,7 +3750,7 @@ static int ai_common_start(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_start(me4000_ai_context_t * ai_context)
+static int me4000_ai_start(struct me4000_ai_context *ai_context)
 {
 	int err;
 	CALL_PDEBUG("me4000_ai_start() is executed\n");
@@ -3779,7 +3767,7 @@ static int me4000_ai_start(me4000_ai_context_t * ai_context)
 }
 
 static int me4000_ai_start_ex(unsigned long *arg,
-			      me4000_ai_context_t * ai_context)
+			      struct me4000_ai_context *ai_context)
 {
 	int err;
 	wait_queue_head_t queue;
@@ -3834,7 +3822,7 @@ static int me4000_ai_start_ex(unsigned long *arg,
 	return 0;
 }
 
-static int me4000_ai_stop(me4000_ai_context_t * ai_context)
+static int me4000_ai_stop(struct me4000_ai_context *ai_context)
 {
 	wait_queue_head_t queue;
 	u32 tmp;
@@ -3871,7 +3859,7 @@ static int me4000_ai_stop(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_immediate_stop(me4000_ai_context_t * ai_context)
+static int me4000_ai_immediate_stop(struct me4000_ai_context *ai_context)
 {
 	wait_queue_head_t queue;
 	u32 tmp;
@@ -3908,7 +3896,7 @@ static int me4000_ai_immediate_stop(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_ex_trig_enable(me4000_ai_context_t * ai_context)
+static int me4000_ai_ex_trig_enable(struct me4000_ai_context *ai_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -3924,7 +3912,7 @@ static int me4000_ai_ex_trig_enable(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_ex_trig_disable(me4000_ai_context_t * ai_context)
+static int me4000_ai_ex_trig_disable(struct me4000_ai_context *ai_context)
 {
 	u32 tmp;
 	unsigned long flags;
@@ -3940,10 +3928,10 @@ static int me4000_ai_ex_trig_disable(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t * arg,
-				   me4000_ai_context_t * ai_context)
+static int me4000_ai_ex_trig_setup(struct me4000_ai_trigger *arg,
+				   struct me4000_ai_context *ai_context)
 {
-	me4000_ai_trigger_t cmd;
+	struct me4000_ai_trigger cmd;
 	int err;
 	u32 tmp;
 	unsigned long flags;
@@ -3951,7 +3939,7 @@ static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t * arg,
 	CALL_PDEBUG("me4000_ai_ex_trig_setup() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_trigger_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_ai_trigger));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_ai_ex_trig_setup():Can't copy from user space\n");
@@ -4000,16 +3988,16 @@ static int me4000_ai_ex_trig_setup(me4000_ai_trigger_t * arg,
 	return 0;
 }
 
-static int me4000_ai_sc_setup(me4000_ai_sc_t * arg,
-			      me4000_ai_context_t * ai_context)
+static int me4000_ai_sc_setup(struct me4000_ai_sc *arg,
+			      struct me4000_ai_context *ai_context)
 {
-	me4000_ai_sc_t cmd;
+	struct me4000_ai_sc cmd;
 	int err;
 
 	CALL_PDEBUG("me4000_ai_sc_setup() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_ai_sc_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_ai_sc));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_ai_sc_setup():Can't copy from user space\n");
@@ -4023,9 +4011,9 @@ static int me4000_ai_sc_setup(me4000_ai_sc_t * arg,
 }
 
 static ssize_t me4000_ai_read(struct file *filep, char *buff, size_t cnt,
-			      loff_t * offp)
+			      loff_t *offp)
 {
-	me4000_ai_context_t *ai_context = filep->private_data;
+	struct me4000_ai_context *ai_context = filep->private_data;
 	s16 *buffer = (s16 *) buff;
 	size_t count = cnt / 2;
 	unsigned long flags;
@@ -4150,9 +4138,9 @@ static ssize_t me4000_ai_read(struct file *filep, char *buff, size_t cnt,
 	return ret * 2;
 }
 
-static unsigned int me4000_ai_poll(struct file *file_p, poll_table * wait)
+static unsigned int me4000_ai_poll(struct file *file_p, poll_table *wait)
 {
-	me4000_ai_context_t *ai_context;
+	struct me4000_ai_context *ai_context;
 	unsigned long mask = 0;
 
 	CALL_PDEBUG("me4000_ai_poll() is executed\n");
@@ -4171,7 +4159,7 @@ static unsigned int me4000_ai_poll(struct file *file_p, poll_table * wait)
 	return mask;
 }
 
-static int me4000_ai_offset_enable(me4000_ai_context_t * ai_context)
+static int me4000_ai_offset_enable(struct me4000_ai_context *ai_context)
 {
 	unsigned long tmp;
 
@@ -4184,7 +4172,7 @@ static int me4000_ai_offset_enable(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_offset_disable(me4000_ai_context_t * ai_context)
+static int me4000_ai_offset_disable(struct me4000_ai_context *ai_context)
 {
 	unsigned long tmp;
 
@@ -4197,7 +4185,7 @@ static int me4000_ai_offset_disable(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_fullscale_enable(me4000_ai_context_t * ai_context)
+static int me4000_ai_fullscale_enable(struct me4000_ai_context *ai_context)
 {
 	unsigned long tmp;
 
@@ -4210,7 +4198,7 @@ static int me4000_ai_fullscale_enable(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_fullscale_disable(me4000_ai_context_t * ai_context)
+static int me4000_ai_fullscale_disable(struct me4000_ai_context *ai_context)
 {
 	unsigned long tmp;
 
@@ -4223,7 +4211,7 @@ static int me4000_ai_fullscale_disable(me4000_ai_context_t * ai_context)
 	return 0;
 }
 
-static int me4000_ai_fsm_state(int *arg, me4000_ai_context_t * ai_context)
+static int me4000_ai_fsm_state(int *arg, struct me4000_ai_context *ai_context)
 {
 	unsigned long tmp;
 
@@ -4242,7 +4230,7 @@ static int me4000_ai_fsm_state(int *arg, me4000_ai_context_t * ai_context)
 }
 
 static int me4000_ai_get_count_buffer(unsigned long *arg,
-				      me4000_ai_context_t * ai_context)
+				      struct me4000_ai_context *ai_context)
 {
 	unsigned long c;
 	int err;
@@ -4252,7 +4240,7 @@ static int me4000_ai_get_count_buffer(unsigned long *arg,
 	err = copy_to_user(arg, &c, sizeof(unsigned long));
 	if (err) {
 		printk(KERN_ERR
-		       "ME4000:me4000_ai_get_count_buffer():Can't copy to user space\n");
+		       "%s:Can't copy to user space\n", __func__);
 		return -EFAULT;
 	}
 
@@ -4261,7 +4249,7 @@ static int me4000_ai_get_count_buffer(unsigned long *arg,
 
 /*---------------------------------- EEPROM stuff ---------------------------*/
 
-static int eeprom_write_cmd(me4000_ai_context_t * ai_context, unsigned long cmd,
+static int eeprom_write_cmd(struct me4000_ai_context *ai_context, unsigned long cmd,
 			    int length)
 {
 	int i;
@@ -4318,7 +4306,7 @@ static int eeprom_write_cmd(me4000_ai_context_t * ai_context, unsigned long cmd,
 	return 0;
 }
 
-static unsigned short eeprom_read_cmd(me4000_ai_context_t * ai_context,
+static unsigned short eeprom_read_cmd(struct me4000_ai_context *ai_context,
 				      unsigned long cmd, int length)
 {
 	int i;
@@ -4397,11 +4385,11 @@ static unsigned short eeprom_read_cmd(me4000_ai_context_t * ai_context,
 	return id;
 }
 
-static int me4000_eeprom_write(me4000_eeprom_t * arg,
-			       me4000_ai_context_t * ai_context)
+static int me4000_eeprom_write(struct me4000_eeprom *arg,
+			       struct me4000_ai_context *ai_context)
 {
 	int err;
-	me4000_eeprom_t setup;
+	struct me4000_eeprom setup;
 	unsigned long cmd;
 	unsigned long date_high;
 	unsigned long date_low;
@@ -4594,12 +4582,12 @@ static int me4000_eeprom_write(me4000_eeprom_t * arg,
 	return 0;
 }
 
-static int me4000_eeprom_read(me4000_eeprom_t * arg,
-			      me4000_ai_context_t * ai_context)
+static int me4000_eeprom_read(struct me4000_eeprom *arg,
+			      struct me4000_ai_context *ai_context)
 {
 	int err;
 	unsigned long cmd;
-	me4000_eeprom_t setup;
+	struct me4000_eeprom setup;
 
 	CALL_PDEBUG("me4000_eeprom_read() is executed\n");
 
@@ -4687,7 +4675,7 @@ static int me4000_eeprom_read(me4000_eeprom_t * arg,
 static int me4000_dio_ioctl(struct inode *inode_p, struct file *file_p,
 			    unsigned int service, unsigned long arg)
 {
-	me4000_dio_context_t *dio_context;
+	struct me4000_dio_context *dio_context;
 
 	CALL_PDEBUG("me4000_dio_ioctl() is executed\n");
 
@@ -4704,13 +4692,13 @@ static int me4000_dio_ioctl(struct inode *inode_p, struct file *file_p,
 
 	switch (service) {
 	case ME4000_DIO_CONFIG:
-		return me4000_dio_config((me4000_dio_config_t *) arg,
+		return me4000_dio_config((struct me4000_dio_config *)arg,
 					 dio_context);
 	case ME4000_DIO_SET_BYTE:
-		return me4000_dio_set_byte((me4000_dio_byte_t *) arg,
+		return me4000_dio_set_byte((struct me4000_dio_byte *)arg,
 					   dio_context);
 	case ME4000_DIO_GET_BYTE:
-		return me4000_dio_get_byte((me4000_dio_byte_t *) arg,
+		return me4000_dio_get_byte((struct me4000_dio_byte *)arg,
 					   dio_context);
 	case ME4000_DIO_RESET:
 		return me4000_dio_reset(dio_context);
@@ -4723,17 +4711,17 @@ static int me4000_dio_ioctl(struct inode *inode_p, struct file *file_p,
 	return 0;
 }
 
-static int me4000_dio_config(me4000_dio_config_t * arg,
-			     me4000_dio_context_t * dio_context)
+static int me4000_dio_config(struct me4000_dio_config *arg,
+			     struct me4000_dio_context *dio_context)
 {
-	me4000_dio_config_t cmd;
+	struct me4000_dio_config cmd;
 	u32 tmp;
 	int err;
 
 	CALL_PDEBUG("me4000_dio_config() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_dio_config_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_dio_config));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_dio_config():Can't copy from user space\n");
@@ -4964,16 +4952,16 @@ static int me4000_dio_config(me4000_dio_config_t * arg,
 	return 0;
 }
 
-static int me4000_dio_set_byte(me4000_dio_byte_t * arg,
-			       me4000_dio_context_t * dio_context)
+static int me4000_dio_set_byte(struct me4000_dio_byte *arg,
+			       struct me4000_dio_context *dio_context)
 {
-	me4000_dio_byte_t cmd;
+	struct me4000_dio_byte cmd;
 	int err;
 
 	CALL_PDEBUG("me4000_dio_set_byte() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_dio_byte_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_dio_byte));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_dio_set_byte():Can't copy from user space\n");
@@ -5030,16 +5018,16 @@ static int me4000_dio_set_byte(me4000_dio_byte_t * arg,
 	return 0;
 }
 
-static int me4000_dio_get_byte(me4000_dio_byte_t * arg,
-			       me4000_dio_context_t * dio_context)
+static int me4000_dio_get_byte(struct me4000_dio_byte *arg,
+			       struct me4000_dio_context *dio_context)
 {
-	me4000_dio_byte_t cmd;
+	struct me4000_dio_byte cmd;
 	int err;
 
 	CALL_PDEBUG("me4000_dio_get_byte() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_dio_byte_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_dio_byte));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_dio_get_byte():Can't copy from user space\n");
@@ -5070,7 +5058,7 @@ static int me4000_dio_get_byte(me4000_dio_byte_t * arg,
 	}
 
 	/* Copy result back to user */
-	err = copy_to_user(arg, &cmd, sizeof(me4000_dio_byte_t));
+	err = copy_to_user(arg, &cmd, sizeof(struct me4000_dio_byte));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_dio_get_byte():Can't copy to user space\n");
@@ -5080,7 +5068,7 @@ static int me4000_dio_get_byte(me4000_dio_byte_t * arg,
 	return 0;
 }
 
-static int me4000_dio_reset(me4000_dio_context_t * dio_context)
+static int me4000_dio_reset(struct me4000_dio_context *dio_context)
 {
 	CALL_PDEBUG("me4000_dio_reset() is executed\n");
 
@@ -5101,7 +5089,7 @@ static int me4000_dio_reset(me4000_dio_context_t * dio_context)
 static int me4000_cnt_ioctl(struct inode *inode_p, struct file *file_p,
 			    unsigned int service, unsigned long arg)
 {
-	me4000_cnt_context_t *cnt_context;
+	struct me4000_cnt_context *cnt_context;
 
 	CALL_PDEBUG("me4000_cnt_ioctl() is executed\n");
 
@@ -5118,11 +5106,11 @@ static int me4000_cnt_ioctl(struct inode *inode_p, struct file *file_p,
 
 	switch (service) {
 	case ME4000_CNT_READ:
-		return me4000_cnt_read((me4000_cnt_t *) arg, cnt_context);
+		return me4000_cnt_read((struct me4000_cnt *)arg, cnt_context);
 	case ME4000_CNT_WRITE:
-		return me4000_cnt_write((me4000_cnt_t *) arg, cnt_context);
+		return me4000_cnt_write((struct me4000_cnt *)arg, cnt_context);
 	case ME4000_CNT_CONFIG:
-		return me4000_cnt_config((me4000_cnt_config_t *) arg,
+		return me4000_cnt_config((struct me4000_cnt_config *)arg,
 					 cnt_context);
 	case ME4000_CNT_RESET:
 		return me4000_cnt_reset(cnt_context);
@@ -5135,10 +5123,10 @@ static int me4000_cnt_ioctl(struct inode *inode_p, struct file *file_p,
 	return 0;
 }
 
-static int me4000_cnt_config(me4000_cnt_config_t * arg,
-			     me4000_cnt_context_t * cnt_context)
+static int me4000_cnt_config(struct me4000_cnt_config *arg,
+			     struct me4000_cnt_context *cnt_context)
 {
-	me4000_cnt_config_t cmd;
+	struct me4000_cnt_config cmd;
 	u8 counter;
 	u8 mode;
 	int err;
@@ -5146,7 +5134,7 @@ static int me4000_cnt_config(me4000_cnt_config_t * arg,
 	CALL_PDEBUG("me4000_cnt_config() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_config_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_cnt_config));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_cnt_config():Can't copy from user space\n");
@@ -5204,17 +5192,17 @@ static int me4000_cnt_config(me4000_cnt_config_t * arg,
 	return 0;
 }
 
-static int me4000_cnt_read(me4000_cnt_t * arg,
-			   me4000_cnt_context_t * cnt_context)
+static int me4000_cnt_read(struct me4000_cnt *arg,
+			   struct me4000_cnt_context *cnt_context)
 {
-	me4000_cnt_t cmd;
+	struct me4000_cnt cmd;
 	u8 tmp;
 	int err;
 
 	CALL_PDEBUG("me4000_cnt_read() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_cnt));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_cnt_read():Can't copy from user space\n");
@@ -5249,7 +5237,7 @@ static int me4000_cnt_read(me4000_cnt_t * arg,
 	}
 
 	/* Copy result back to user */
-	err = copy_to_user(arg, &cmd, sizeof(me4000_cnt_t));
+	err = copy_to_user(arg, &cmd, sizeof(struct me4000_cnt));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_cnt_read():Can't copy to user space\n");
@@ -5259,17 +5247,17 @@ static int me4000_cnt_read(me4000_cnt_t * arg,
 	return 0;
 }
 
-static int me4000_cnt_write(me4000_cnt_t * arg,
-			    me4000_cnt_context_t * cnt_context)
+static int me4000_cnt_write(struct me4000_cnt *arg,
+			    struct me4000_cnt_context *cnt_context)
 {
-	me4000_cnt_t cmd;
+	struct me4000_cnt cmd;
 	u8 tmp;
 	int err;
 
 	CALL_PDEBUG("me4000_cnt_write() is executed\n");
 
 	/* Copy data from user */
-	err = copy_from_user(&cmd, arg, sizeof(me4000_cnt_t));
+	err = copy_from_user(&cmd, arg, sizeof(struct me4000_cnt));
 	if (err) {
 		printk(KERN_ERR
 		       "ME4000:me4000_cnt_write():Can't copy from user space\n");
@@ -5306,7 +5294,7 @@ static int me4000_cnt_write(me4000_cnt_t * arg,
 	return 0;
 }
 
-static int me4000_cnt_reset(me4000_cnt_context_t * cnt_context)
+static int me4000_cnt_reset(struct me4000_cnt_context *cnt_context)
 {
 	CALL_PDEBUG("me4000_cnt_reset() is executed\n");
 
@@ -5333,7 +5321,7 @@ static int me4000_cnt_reset(me4000_cnt_context_t * cnt_context)
 static int me4000_ext_int_ioctl(struct inode *inode_p, struct file *file_p,
 				unsigned int service, unsigned long arg)
 {
-	me4000_ext_int_context_t *ext_int_context;
+	struct me4000_ext_int_context *ext_int_context;
 
 	CALL_PDEBUG("me4000_ext_int_ioctl() is executed\n");
 
@@ -5366,7 +5354,7 @@ static int me4000_ext_int_ioctl(struct inode *inode_p, struct file *file_p,
 	return 0;
 }
 
-static int me4000_ext_int_enable(me4000_ext_int_context_t * ext_int_context)
+static int me4000_ext_int_enable(struct me4000_ext_int_context *ext_int_context)
 {
 	unsigned long tmp;
 
@@ -5379,7 +5367,7 @@ static int me4000_ext_int_enable(me4000_ext_int_context_t * ext_int_context)
 	return 0;
 }
 
-static int me4000_ext_int_disable(me4000_ext_int_context_t * ext_int_context)
+static int me4000_ext_int_disable(struct me4000_ext_int_context *ext_int_context)
 {
 	unsigned long tmp;
 
@@ -5393,7 +5381,7 @@ static int me4000_ext_int_disable(me4000_ext_int_context_t * ext_int_context)
 }
 
 static int me4000_ext_int_count(unsigned long *arg,
-				me4000_ext_int_context_t * ext_int_context)
+				struct me4000_ext_int_context *ext_int_context)
 {
 
 	CALL_PDEBUG("me4000_ext_int_count() is executed\n");
@@ -5404,10 +5392,10 @@ static int me4000_ext_int_count(unsigned long *arg,
 
 /*------------------------------------ General stuff ------------------------------------*/
 
-static int me4000_get_user_info(me4000_user_info_t * arg,
-				me4000_info_t * board_info)
+static int me4000_get_user_info(struct me4000_user_info *arg,
+				struct me4000_info *board_info)
 {
-	me4000_user_info_t user_info;
+	struct me4000_user_info user_info;
 
 	CALL_PDEBUG("me4000_get_user_info() is executed\n");
 
@@ -5437,7 +5425,7 @@ static int me4000_get_user_info(me4000_user_info_t * arg,
 
 	user_info.cnt_count = board_info->board_p->cnt.count;
 
-	if (copy_to_user(arg, &user_info, sizeof(me4000_user_info_t)))
+	if (copy_to_user(arg, &user_info, sizeof(struct me4000_user_info)))
 		return -EFAULT;
 
 	return 0;
@@ -5448,7 +5436,7 @@ static int me4000_get_user_info(me4000_user_info_t * arg,
 static int me4000_ext_int_fasync(int fd, struct file *file_ptr, int mode)
 {
 	int result = 0;
-	me4000_ext_int_context_t *ext_int_context;
+	struct me4000_ext_int_context *ext_int_context;
 
 	CALL_PDEBUG("me4000_ext_int_fasync() is executed\n");
 
@@ -5465,7 +5453,7 @@ static irqreturn_t me4000_ao_isr(int irq, void *dev_id)
 {
 	u32 tmp;
 	u32 value;
-	me4000_ao_context_t *ao_context;
+	struct me4000_ao_context *ao_context;
 	int i;
 	int c = 0;
 	int c1 = 0;
@@ -5589,7 +5577,7 @@ static irqreturn_t me4000_ao_isr(int irq, void *dev_id)
 static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
 {
 	u32 tmp;
-	me4000_ai_context_t *ai_context;
+	struct me4000_ai_context *ai_context;
 	int i;
 	int c = 0;
 	int c1 = 0;
@@ -5933,7 +5921,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
 
 static irqreturn_t me4000_ext_int_isr(int irq, void *dev_id)
 {
-	me4000_ext_int_context_t *ext_int_context;
+	struct me4000_ext_int_context *ext_int_context;
 	unsigned long tmp;
 
 	ISR_PDEBUG("me4000_ext_int_isr() is executed\n");
@@ -5969,10 +5957,10 @@ static irqreturn_t me4000_ext_int_isr(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-void __exit me4000_module_exit(void)
+static void __exit me4000_module_exit(void)
 {
 	struct list_head *board_p;
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 
 	CALL_PDEBUG("cleanup_module() is executed\n");
 
@@ -5993,7 +5981,7 @@ void __exit me4000_module_exit(void)
 	/* Reset the boards */
 	for (board_p = me4000_board_info_list.next;
 	     board_p != &me4000_board_info_list; board_p = board_p->next) {
-		board_info = list_entry(board_p, me4000_info_t, list);
+		board_info = list_entry(board_p, struct me4000_info, list);
 		me4000_reset_board(board_info);
 	}
 
@@ -6007,7 +5995,7 @@ static int me4000_read_procmem(char *buf, char **start, off_t offset, int count,
 {
 	int len = 0;
 	int limit = count - 1000;
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 	struct list_head *ptr;
 
 	len += sprintf(buf + len, "\nME4000 DRIVER VERSION %X.%X.%X\n\n",
@@ -6019,7 +6007,7 @@ static int me4000_read_procmem(char *buf, char **start, off_t offset, int count,
 	for (ptr = me4000_board_info_list.next;
 	     (ptr != &me4000_board_info_list) && (len < limit);
 	     ptr = ptr->next) {
-		board_info = list_entry(ptr, me4000_info_t, list);
+		board_info = list_entry(ptr, struct me4000_info, list);
 
 		len +=
 		    sprintf(buf + len, "Board number %d:\n",
diff --git a/drivers/staging/me4000/me4000.h b/drivers/staging/me4000/me4000.h
index c35e4b9793a..81c6f4d5e25 100644
--- a/drivers/staging/me4000/me4000.h
+++ b/drivers/staging/me4000/me4000.h
@@ -329,46 +329,46 @@
   Circular buffer used for analog input/output reads/writes.
   ===========================================================================*/
 
-typedef struct me4000_circ_buf {
+struct me4000_circ_buf {
 	s16 *buf;
 	int volatile head;
 	int volatile tail;
-} me4000_circ_buf_t;
+};
 
 /*=============================================================================
   Information about the hardware capabilities
   ===========================================================================*/
 
-typedef struct me4000_ao_info {
+struct me4000_ao_info {
 	int count;
 	int fifo_count;
-} me4000_ao_info_t;
+};
 
-typedef struct me4000_ai_info {
+struct me4000_ai_info {
 	int count;
 	int sh_count;
 	int diff_count;
 	int ex_trig_analog;
-} me4000_ai_info_t;
+};
 
-typedef struct me4000_dio_info {
+struct me4000_dio_info {
 	int count;
-} me4000_dio_info_t;
+};
 
-typedef struct me4000_cnt_info {
+struct me4000_cnt_info {
 	int count;
-} me4000_cnt_info_t;
+};
 
-typedef struct me4000_board {
+struct me4000_board {
 	u16 vendor_id;
 	u16 device_id;
-	me4000_ao_info_t ao;
-	me4000_ai_info_t ai;
-	me4000_dio_info_t dio;
-	me4000_cnt_info_t cnt;
-} me4000_board_t;
+	struct me4000_ao_info ao;
+	struct me4000_ai_info ai;
+	struct me4000_dio_info dio;
+	struct me4000_cnt_info cnt;
+};
 
-static me4000_board_t me4000_boards[] = {
+static struct me4000_board me4000_boards[] = {
 	{PCI_VENDOR_ID_MEILHAUS, 0x4610, {0, 0}, {16, 0, 0, 0}, {4}, {3}},
 
 	{PCI_VENDOR_ID_MEILHAUS, 0x4650, {0, 0}, {16, 0, 0, 0}, {4}, {0}},
@@ -391,8 +391,6 @@ static me4000_board_t me4000_boards[] = {
 	{0},
 };
 
-#define ME4000_BOARD_VERSIONS (sizeof(me4000_boards) / sizeof(me4000_board_t) - 1)
-
 /*=============================================================================
   PCI device table.
   This is used by modprobe to translate PCI IDs to drivers.
@@ -427,19 +425,19 @@ MODULE_DEVICE_TABLE(pci, me4000_pci_table);
   Global board and subdevice information structures
   ===========================================================================*/
 
-typedef struct me4000_info {
+struct me4000_info {
 	struct list_head list;	// List of all detected boards
 	int board_count;	// Index of the board after detection
 
 	unsigned long plx_regbase;	// PLX configuration space base address
-	unsigned long me4000_regbase;	// Base address of the ME4000
-	unsigned long timer_regbase;	// Base address of the timer circuit
-	unsigned long program_regbase;	// Base address to set the program pin for the xilinx
+	resource_size_t me4000_regbase;	// Base address of the ME4000
+	resource_size_t timer_regbase;	// Base address of the timer circuit
+	resource_size_t program_regbase;	// Base address to set the program pin for the xilinx
 
 	unsigned long plx_regbase_size;	// PLX register set space
-	unsigned long me4000_regbase_size;	// ME4000 register set space
-	unsigned long timer_regbase_size;	// Timer circuit register set space
-	unsigned long program_regbase_size;	// Size of program base address of the ME4000
+	resource_size_t me4000_regbase_size;	// ME4000 register set space
+	resource_size_t timer_regbase_size;	// Timer circuit register set space
+	resource_size_t program_regbase_size;	// Size of program base address of the ME4000
 
 	unsigned int serial_no;	// Serial number of the board
 	unsigned char hw_revision;	// Hardware revision of the board
@@ -451,7 +449,7 @@ typedef struct me4000_info {
 	int pci_func_no;	// PCI function number
 	struct pci_dev *pci_dev_p;	// General PCI information
 
-	me4000_board_t *board_p;	// Holds the board capabilities
+	struct me4000_board *board_p;	// Holds the board capabilities
 
 	unsigned int irq;	// IRQ assigned from the PCI BIOS
 	unsigned int irq_count;	// Count of external interrupts
@@ -464,18 +462,18 @@ typedef struct me4000_info {
 	struct me4000_dio_context *dio_context;	// Digital I/O specific context
 	struct me4000_cnt_context *cnt_context;	// Counter specific context
 	struct me4000_ext_int_context *ext_int_context;	// External interrupt specific context
-} me4000_info_t;
+};
 
-typedef struct me4000_ao_context {
+struct me4000_ao_context {
 	struct list_head list;	// linked list of me4000_ao_context_t
 	int index;		// Index in the list
 	int mode;		// Indicates mode (0 = single, 1 = wraparound, 2 = continous)
 	int dac_in_use;		// Indicates if already opend
 	spinlock_t use_lock;	// Guards in_use
 	spinlock_t int_lock;	// Used when locking out interrupts
-	me4000_circ_buf_t circ_buf;	// Circular buffer
+	struct me4000_circ_buf circ_buf;	// Circular buffer
 	wait_queue_head_t wait_queue;	// Wait queue to sleep while blocking write
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 	unsigned int irq;	// The irq associated with this ADC
 	int volatile pipe_flag;	// Indicates broken pipe set from me4000_ao_isr()
 	unsigned long ctrl_reg;
@@ -486,9 +484,9 @@ typedef struct me4000_ao_context {
 	unsigned long irq_status_reg;
 	unsigned long preload_reg;
 	struct fasync_struct *fasync_p;	// Queue for asynchronous notification
-} me4000_ao_context_t;
+};
 
-typedef struct me4000_ai_context {
+struct me4000_ai_context {
 	struct list_head list;	// linked list of me4000_ai_info_t
 	int mode;		// Indicates mode
 	int in_use;		// Indicates if already opend
@@ -496,9 +494,9 @@ typedef struct me4000_ai_context {
 	spinlock_t int_lock;	// Used when locking out interrupts
 	int number;		// Number of the DAC
 	unsigned int irq;	// The irq associated with this ADC
-	me4000_circ_buf_t circ_buf;	// Circular buffer
+	struct me4000_circ_buf circ_buf;	// Circular buffer
 	wait_queue_head_t wait_queue;	// Wait queue to sleep while blocking read
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 
 	struct fasync_struct *fasync_p;	// Queue for asynchronous notification
 
@@ -523,48 +521,48 @@ typedef struct me4000_ai_context {
 	unsigned long channel_list_count;
 	unsigned long sample_counter;
 	int sample_counter_reload;
-} me4000_ai_context_t;
+};
 
-typedef struct me4000_dio_context {
+struct me4000_dio_context {
 	struct list_head list;	// linked list of me4000_dio_context_t
 	int in_use;		// Indicates if already opend
 	spinlock_t use_lock;	// Guards in_use
 	int number;
 	int dio_count;
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 	unsigned long dir_reg;
 	unsigned long ctrl_reg;
 	unsigned long port_0_reg;
 	unsigned long port_1_reg;
 	unsigned long port_2_reg;
 	unsigned long port_3_reg;
-} me4000_dio_context_t;
+};
 
-typedef struct me4000_cnt_context {
+struct me4000_cnt_context {
 	struct list_head list;	// linked list of me4000_dio_context_t
 	int in_use;		// Indicates if already opend
 	spinlock_t use_lock;	// Guards in_use
 	int number;
 	int cnt_count;
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 	unsigned long ctrl_reg;
 	unsigned long counter_0_reg;
 	unsigned long counter_1_reg;
 	unsigned long counter_2_reg;
-} me4000_cnt_context_t;
+};
 
-typedef struct me4000_ext_int_context {
+struct me4000_ext_int_context {
 	struct list_head list;	// linked list of me4000_dio_context_t
 	int in_use;		// Indicates if already opend
 	spinlock_t use_lock;	// Guards in_use
 	int number;
-	me4000_info_t *board_info;
+	struct me4000_info *board_info;
 	unsigned int irq;
 	unsigned long int_count;
 	struct fasync_struct *fasync_ptr;
 	unsigned long ctrl_reg;
 	unsigned long irq_status_reg;
-} me4000_ext_int_context_t;
+};
 
 #endif
 
@@ -745,12 +743,12 @@ typedef struct me4000_ext_int_context {
   General type definitions
   ----------------------------------------------------------------------------*/
 
-typedef struct me4000_user_info {
+struct me4000_user_info {
 	int board_count;	// Index of the board after detection
 	unsigned long plx_regbase;	// PLX configuration space base address
-	unsigned long me4000_regbase;	// Base address of the ME4000
+	resource_size_t me4000_regbase;	// Base address of the ME4000
 	unsigned long plx_regbase_size;	// PLX register set space
-	unsigned long me4000_regbase_size;	// ME4000 register set space
+	resource_size_t me4000_regbase_size;	// ME4000 register set space
 	unsigned long serial_no;	// Serial number of the board
 	unsigned char hw_revision;	// Hardware revision of the board
 	unsigned short vendor_id;	// Meilhaus vendor id (0x1402)
@@ -773,62 +771,62 @@ typedef struct me4000_user_info {
 	int dio_count;		// Count of digital I/O ports
 
 	int cnt_count;		// Count of counters
-} me4000_user_info_t;
+};
 
 /*-----------------------------------------------------------------------------
   Type definitions for analog output
   ----------------------------------------------------------------------------*/
 
-typedef struct me4000_ao_channel_list {
+struct me4000_ao_channel_list {
 	unsigned long count;
 	unsigned long *list;
-} me4000_ao_channel_list_t;
+};
 
 /*-----------------------------------------------------------------------------
   Type definitions for analog input
   ----------------------------------------------------------------------------*/
 
-typedef struct me4000_ai_channel_list {
+struct me4000_ai_channel_list {
 	unsigned long count;
 	unsigned long *list;
-} me4000_ai_channel_list_t;
+};
 
-typedef struct me4000_ai_timer {
+struct me4000_ai_timer {
 	unsigned long pre_chan;
 	unsigned long chan;
 	unsigned long scan_low;
 	unsigned long scan_high;
-} me4000_ai_timer_t;
+};
 
-typedef struct me4000_ai_config {
-	me4000_ai_timer_t timer;
-	me4000_ai_channel_list_t channel_list;
+struct me4000_ai_config {
+	struct me4000_ai_timer timer;
+	struct me4000_ai_channel_list channel_list;
 	int sh;
-} me4000_ai_config_t;
+};
 
-typedef struct me4000_ai_single {
+struct me4000_ai_single {
 	int channel;
 	int range;
 	int mode;
 	short value;
 	unsigned long timeout;
-} me4000_ai_single_t;
+};
 
-typedef struct me4000_ai_trigger {
+struct me4000_ai_trigger {
 	int mode;
 	int edge;
-} me4000_ai_trigger_t;
+};
 
-typedef struct me4000_ai_sc {
+struct me4000_ai_sc {
 	unsigned long value;
 	int reload;
-} me4000_ai_sc_t;
+};
 
 /*-----------------------------------------------------------------------------
   Type definitions for eeprom
   ----------------------------------------------------------------------------*/
 
-typedef struct me4000_eeprom {
+struct me4000_eeprom {
 	unsigned long date;
 	short uni_10_offset;
 	short uni_10_fullscale;
@@ -842,45 +840,45 @@ typedef struct me4000_eeprom {
 	short diff_10_fullscale;
 	short diff_2_5_offset;
 	short diff_2_5_fullscale;
-} me4000_eeprom_t;
+};
 
 /*-----------------------------------------------------------------------------
   Type definitions for digital I/O
   ----------------------------------------------------------------------------*/
 
-typedef struct me4000_dio_config {
+struct me4000_dio_config {
 	int port;
 	int mode;
 	int function;
-} me4000_dio_config_t;
+};
 
-typedef struct me4000_dio_byte {
+struct me4000_dio_byte {
 	int port;
 	unsigned char byte;
-} me4000_dio_byte_t;
+};
 
 /*-----------------------------------------------------------------------------
   Type definitions for counters
   ----------------------------------------------------------------------------*/
 
-typedef struct me4000_cnt {
+struct me4000_cnt {
 	int counter;
 	unsigned short value;
-} me4000_cnt_t;
+};
 
-typedef struct me4000_cnt_config {
+struct me4000_cnt_config {
 	int counter;
 	int mode;
-} me4000_cnt_config_t;
+};
 
 /*-----------------------------------------------------------------------------
   Type definitions for external interrupt
   ----------------------------------------------------------------------------*/
 
-typedef struct {
+struct me4000_int {
 	int int1_count;
 	int int2_count;
-} me4000_int_type;
+};
 
 /*-----------------------------------------------------------------------------
   The ioctls of the board
@@ -888,7 +886,8 @@ typedef struct {
 
 #define ME4000_IOCTL_MAXNR 50
 #define ME4000_MAGIC 'y'
-#define ME4000_GET_USER_INFO          _IOR (ME4000_MAGIC, 0, me4000_user_info_t)
+#define ME4000_GET_USER_INFO          _IOR (ME4000_MAGIC, 0, \
+					    struct me4000_user_info)
 
 #define ME4000_AO_START               _IOW (ME4000_MAGIC, 1, unsigned long)
 #define ME4000_AO_STOP                _IO  (ME4000_MAGIC, 2)
@@ -904,25 +903,35 @@ typedef struct {
 #define ME4000_AO_DISABLE_DO          _IO  (ME4000_MAGIC, 12)
 #define ME4000_AO_FSM_STATE           _IOR (ME4000_MAGIC, 13, int)
 
-#define ME4000_AI_SINGLE              _IOR (ME4000_MAGIC, 14, me4000_ai_single_t)
+#define ME4000_AI_SINGLE              _IOR (ME4000_MAGIC, 14, \
+					    struct me4000_ai_single)
 #define ME4000_AI_START               _IOW (ME4000_MAGIC, 15, unsigned long)
 #define ME4000_AI_STOP                _IO  (ME4000_MAGIC, 16)
 #define ME4000_AI_IMMEDIATE_STOP      _IO  (ME4000_MAGIC, 17)
 #define ME4000_AI_EX_TRIG_ENABLE      _IO  (ME4000_MAGIC, 18)
 #define ME4000_AI_EX_TRIG_DISABLE     _IO  (ME4000_MAGIC, 19)
-#define ME4000_AI_EX_TRIG_SETUP       _IOW (ME4000_MAGIC, 20, me4000_ai_trigger_t)
-#define ME4000_AI_CONFIG              _IOW (ME4000_MAGIC, 21, me4000_ai_config_t)
-#define ME4000_AI_SC_SETUP            _IOW (ME4000_MAGIC, 22, me4000_ai_sc_t)
+#define ME4000_AI_EX_TRIG_SETUP       _IOW (ME4000_MAGIC, 20, \
+					    struct me4000_ai_trigger)
+#define ME4000_AI_CONFIG              _IOW (ME4000_MAGIC, 21, \
+					    struct me4000_ai_config)
+#define ME4000_AI_SC_SETUP            _IOW (ME4000_MAGIC, 22, \
+					    struct me4000_ai_sc)
 #define ME4000_AI_FSM_STATE           _IOR (ME4000_MAGIC, 23, int)
 
-#define ME4000_DIO_CONFIG             _IOW (ME4000_MAGIC, 24, me4000_dio_config_t)
-#define ME4000_DIO_GET_BYTE           _IOR (ME4000_MAGIC, 25, me4000_dio_byte_t)
-#define ME4000_DIO_SET_BYTE           _IOW (ME4000_MAGIC, 26, me4000_dio_byte_t)
+#define ME4000_DIO_CONFIG             _IOW (ME4000_MAGIC, 24, \
+					    struct me4000_dio_config)
+#define ME4000_DIO_GET_BYTE           _IOR (ME4000_MAGIC, 25, \
+					    struct me4000_dio_byte)
+#define ME4000_DIO_SET_BYTE           _IOW (ME4000_MAGIC, 26, \
+					    struct me4000_dio_byte)
 #define ME4000_DIO_RESET              _IO  (ME4000_MAGIC, 27)
 
-#define ME4000_CNT_READ               _IOR (ME4000_MAGIC, 28, me4000_cnt_t)
-#define ME4000_CNT_WRITE              _IOW (ME4000_MAGIC, 29, me4000_cnt_t)
-#define ME4000_CNT_CONFIG             _IOW (ME4000_MAGIC, 30, me4000_cnt_config_t)
+#define ME4000_CNT_READ               _IOR (ME4000_MAGIC, 28, \
+					    struct me4000_cnt)
+#define ME4000_CNT_WRITE              _IOW (ME4000_MAGIC, 29, \
+					    struct me4000_cnt)
+#define ME4000_CNT_CONFIG             _IOW (ME4000_MAGIC, 30, \
+					    struct me4000_cnt_config)
 #define ME4000_CNT_RESET              _IO  (ME4000_MAGIC, 31)
 
 #define ME4000_EXT_INT_DISABLE        _IO  (ME4000_MAGIC, 32)
@@ -934,13 +943,16 @@ typedef struct {
 #define ME4000_AI_FULLSCALE_ENABLE    _IO  (ME4000_MAGIC, 37)
 #define ME4000_AI_FULLSCALE_DISABLE   _IO  (ME4000_MAGIC, 38)
 
-#define ME4000_AI_EEPROM_READ         _IOR (ME4000_MAGIC, 39, me4000_eeprom_t)
-#define ME4000_AI_EEPROM_WRITE        _IOW (ME4000_MAGIC, 40, me4000_eeprom_t)
+#define ME4000_AI_EEPROM_READ         _IOR (ME4000_MAGIC, 39, \
+					    struct me4000_eeprom)
+#define ME4000_AI_EEPROM_WRITE        _IOW (ME4000_MAGIC, 40, \
+					    struct me4000_eeprom)
 
 #define ME4000_AO_SIMULTANEOUS_EX_TRIG _IO  (ME4000_MAGIC, 41)
 #define ME4000_AO_SIMULTANEOUS_SW      _IO  (ME4000_MAGIC, 42)
 #define ME4000_AO_SIMULTANEOUS_DISABLE _IO  (ME4000_MAGIC, 43)
-#define ME4000_AO_SIMULTANEOUS_UPDATE  _IOW (ME4000_MAGIC, 44, me4000_ao_channel_list_t)
+#define ME4000_AO_SIMULTANEOUS_UPDATE  _IOW (ME4000_MAGIC, 44, \
+					     struct me4000_ao_channel_list)
 
 #define ME4000_AO_SYNCHRONOUS_EX_TRIG  _IO  (ME4000_MAGIC, 45)
 #define ME4000_AO_SYNCHRONOUS_SW       _IO  (ME4000_MAGIC, 46)
-- 
GitLab


From f39277d7615e04b2493b62f4a6ff7c9b470f789c Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 18 Oct 2008 11:52:11 +0800
Subject: [PATCH 1839/2224] Staging: SLICOSS: remove duplicated #include's

Removed duplicated #include's in drivers/staging/slicoss/slicoss.c.
  linux/delay.h
  linux/etherdevice.h
  linux/init.h
  linux/netdevice.h
  linux/pci.h
  linux/skbuff.h
  linux/slab.h
  linux/string.h

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/slicoss.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index 47b0ae1ab6b..69f3ea2419b 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -96,17 +96,9 @@
 #include <linux/moduleparam.h>
 
 #include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/pci.h>
 #include <linux/dma-mapping.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
 #include <linux/mii.h>
 #include <linux/if_vlan.h>
-#include <linux/skbuff.h>
-#include <linux/string.h>
 #include <asm/unaligned.h>
 
 #include <linux/ethtool.h>
-- 
GitLab


From fc049612ad7e65ee825b16f98219a862516f0e7a Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 18 Oct 2008 11:52:13 +0800
Subject: [PATCH 1840/2224] Staging: et131x: remove duplicated #include's

Removed duplicated #include's in file(s) below,
 - drivers/staging/et131x/et1310_phy.c
      et1310_jagcore.h
      linux/delay.h
 - drivers/staging/et131x/et131x_debug.c
      et1310_jagcore.h
 - drivers/staging/et131x/et131x_initpci.c
      et1310_jagcore.h

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/et131x/et1310_phy.c     | 2 --
 drivers/staging/et131x/et131x_debug.c   | 1 -
 drivers/staging/et131x/et131x_initpci.c | 1 -
 3 files changed, 4 deletions(-)

diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c
index 6c4fa54419e..9dd6dfd9a03 100644
--- a/drivers/staging/et131x/et1310_phy.c
+++ b/drivers/staging/et131x/et1310_phy.c
@@ -84,7 +84,6 @@
 #include <linux/if_arp.h>
 #include <linux/ioport.h>
 #include <linux/random.h>
-#include <linux/delay.h>
 
 #include "et1310_phy.h"
 #include "et1310_pm.h"
@@ -95,7 +94,6 @@
 #include "et131x_initpci.h"
 
 #include "et1310_address_map.h"
-#include "et1310_jagcore.h"
 #include "et1310_tx.h"
 #include "et1310_rx.h"
 #include "et1310_mac.h"
diff --git a/drivers/staging/et131x/et131x_debug.c b/drivers/staging/et131x/et131x_debug.c
index 9ee5bce92c2..d1dd46e0a9c 100644
--- a/drivers/staging/et131x/et131x_debug.c
+++ b/drivers/staging/et131x/et131x_debug.c
@@ -97,7 +97,6 @@
 #include "et131x_isr.h"
 
 #include "et1310_address_map.h"
-#include "et1310_jagcore.h"
 #include "et1310_tx.h"
 #include "et1310_rx.h"
 #include "et1310_mac.h"
diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c
index 4c6f171f5b7..a18c499d0ae 100644
--- a/drivers/staging/et131x/et131x_initpci.c
+++ b/drivers/staging/et131x/et131x_initpci.c
@@ -97,7 +97,6 @@
 #include "et131x_isr.h"
 
 #include "et1310_address_map.h"
-#include "et1310_jagcore.h"
 #include "et1310_tx.h"
 #include "et1310_rx.h"
 #include "et1310_mac.h"
-- 
GitLab


From 5667f35aea044f1da14eb63777ea66d16a70ee48 Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 18 Oct 2008 11:53:05 +0800
Subject: [PATCH 1841/2224] Staging: wlan-ng: prism2: remove duplicated
 #include

Removed duplicated #include "wlan_compat.h" in
drivers/staging/wlan-ng/prism2mib.c.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/prism2mib.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/wlan-ng/prism2mib.c b/drivers/staging/wlan-ng/prism2mib.c
index 268fd9bba1e..eac06f793d8 100644
--- a/drivers/staging/wlan-ng/prism2mib.c
+++ b/drivers/staging/wlan-ng/prism2mib.c
@@ -90,8 +90,6 @@
 #include <linux/usb.h>
 //#endif
 
-#include "wlan_compat.h"
-
 /*================================================================*/
 /* Project Includes */
 
-- 
GitLab


From ec7c35b852e3f7d85e21093f4f5034f91f28ee8f Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 18 Oct 2008 11:53:07 +0800
Subject: [PATCH 1842/2224] staging: wlan-ng: prism2: remove more duplicated
 #include

Removed duplicated #include "version.h" in
drivers/staging/wlan-ng/p80211wep.c.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/p80211wep.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/p80211wep.c b/drivers/staging/wlan-ng/p80211wep.c
index 53fe2985971..11a50c7fbfc 100644
--- a/drivers/staging/wlan-ng/p80211wep.c
+++ b/drivers/staging/wlan-ng/p80211wep.c
@@ -64,7 +64,6 @@
 /*================================================================*/
 /* Project Includes */
 
-#include "version.h"
 #include "p80211hdr.h"
 #include "p80211types.h"
 #include "p80211msg.h"
-- 
GitLab


From 2eb3882889ed1caff152e853ebb4d979ed8aae1c Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 18 Oct 2008 12:41:55 +0800
Subject: [PATCH 1843/2224] Staging: go7007: remove unused #include <version.h>

The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
  drivers/staging/go7007/go7007-driver.c
  drivers/staging/go7007/go7007-fw.c
  drivers/staging/go7007/go7007-i2c.c
  drivers/staging/go7007/go7007-usb.c
  drivers/staging/go7007/snd-go7007.c
  drivers/staging/go7007/wis-ov7640.c
  drivers/staging/go7007/wis-saa7113.c
  drivers/staging/go7007/wis-saa7115.c
  drivers/staging/go7007/wis-sony-tuner.c
  drivers/staging/go7007/wis-tw2804.c
  drivers/staging/go7007/wis-tw9903.c
  drivers/staging/go7007/wis-uda1342.c

This patch removes the said #include <version.h>.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/go7007/go7007-driver.c  | 1 -
 drivers/staging/go7007/go7007-fw.c      | 1 -
 drivers/staging/go7007/go7007-i2c.c     | 1 -
 drivers/staging/go7007/go7007-usb.c     | 1 -
 drivers/staging/go7007/snd-go7007.c     | 1 -
 drivers/staging/go7007/wis-ov7640.c     | 1 -
 drivers/staging/go7007/wis-saa7113.c    | 1 -
 drivers/staging/go7007/wis-saa7115.c    | 1 -
 drivers/staging/go7007/wis-sony-tuner.c | 1 -
 drivers/staging/go7007/wis-tw2804.c     | 1 -
 drivers/staging/go7007/wis-tw9903.c     | 1 -
 drivers/staging/go7007/wis-uda1342.c    | 1 -
 12 files changed, 12 deletions(-)

diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c
index 81ae4b0fa89..e4ead96679c 100644
--- a/drivers/staging/go7007/go7007-driver.c
+++ b/drivers/staging/go7007/go7007-driver.c
@@ -16,7 +16,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/sched.h>
diff --git a/drivers/staging/go7007/go7007-fw.c b/drivers/staging/go7007/go7007-fw.c
index c2aea1020b0..a0e17b0e0ce 100644
--- a/drivers/staging/go7007/go7007-fw.c
+++ b/drivers/staging/go7007/go7007-fw.c
@@ -26,7 +26,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/time.h>
 #include <linux/mm.h>
 #include <linux/device.h>
diff --git a/drivers/staging/go7007/go7007-i2c.c b/drivers/staging/go7007/go7007-i2c.c
index 10baae3dade..cd55b76eabc 100644
--- a/drivers/staging/go7007/go7007-i2c.c
+++ b/drivers/staging/go7007/go7007-i2c.c
@@ -15,7 +15,6 @@
  * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  */
 
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c
index d4ed6d2b715..3f5ee3424e7 100644
--- a/drivers/staging/go7007/go7007-usb.c
+++ b/drivers/staging/go7007/go7007-usb.c
@@ -16,7 +16,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/wait.h>
diff --git a/drivers/staging/go7007/snd-go7007.c b/drivers/staging/go7007/snd-go7007.c
index 382740c405f..a7de401f61a 100644
--- a/drivers/staging/go7007/snd-go7007.c
+++ b/drivers/staging/go7007/snd-go7007.c
@@ -17,7 +17,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c
index f5f11e927af..2f9efca0460 100644
--- a/drivers/staging/go7007/wis-ov7640.c
+++ b/drivers/staging/go7007/wis-ov7640.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 
diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c
index c1aff1b923a..11689723945 100644
--- a/drivers/staging/go7007/wis-saa7113.c
+++ b/drivers/staging/go7007/wis-saa7113.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <linux/ioctl.h>
diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c
index 5c94c883b31..59417a7174d 100644
--- a/drivers/staging/go7007/wis-saa7115.c
+++ b/drivers/staging/go7007/wis-saa7115.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <linux/ioctl.h>
diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c
index 5997fb47945..5a91ee409a7 100644
--- a/drivers/staging/go7007/wis-sony-tuner.c
+++ b/drivers/staging/go7007/wis-sony-tuner.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <media/tuner.h>
diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c
index 27fe4d0d4ed..57b8f2b1caa 100644
--- a/drivers/staging/go7007/wis-tw2804.c
+++ b/drivers/staging/go7007/wis-tw2804.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <linux/ioctl.h>
diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c
index d8e41968022..40627b282cb 100644
--- a/drivers/staging/go7007/wis-tw9903.c
+++ b/drivers/staging/go7007/wis-tw9903.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <linux/ioctl.h>
diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c
index a0894e3cb8c..555645c0cc1 100644
--- a/drivers/staging/go7007/wis-uda1342.c
+++ b/drivers/staging/go7007/wis-uda1342.c
@@ -17,7 +17,6 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/version.h>
 #include <linux/i2c.h>
 #include <linux/videodev2.h>
 #include <media/tvaudio.h>
-- 
GitLab


From 58be3fb09b0a140e086475e8d34f72e366c6994b Mon Sep 17 00:00:00 2001
From: Huang Weiyi <weiyi.huang@gmail.com>
Date: Sat, 18 Oct 2008 12:41:57 +0800
Subject: [PATCH 1844/2224] Staging: SLICOSS: remove unused #include
 <version.h>

The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
  drivers/staging/slicoss/slicoss.c

This patch removes the said #include <version.h>.

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/slicoss/slicoss.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index 69f3ea2419b..6ef9274a1a6 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -54,7 +54,6 @@
  *       IS-NIC driver.
  */
 
-#include <linux/version.h>
 
 #define SLIC_DUMP_ENABLED               0
 #define KLUDGE_FOR_4GB_BOUNDARY         1
-- 
GitLab


From 8b384e0c3f85065a4986013d74d5585ed595cfa0 Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Tue, 21 Oct 2008 00:03:41 +0300
Subject: [PATCH 1845/2224] Staging: w35und: remove some typedefs

This patch removes some obfuscating typedefs from the driver code.

Cc: Pavel Machek <pavel@suse.cz>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/bss_f.h           |  6 ++---
 drivers/staging/winbond/ds_tkip.h         |  6 ++---
 drivers/staging/winbond/linux/common.h    | 10 +------
 drivers/staging/winbond/linux/wb35reg.c   | 26 +++++++++---------
 drivers/staging/winbond/linux/wb35reg_f.h | 12 ++++-----
 drivers/staging/winbond/linux/wb35reg_s.h |  2 +-
 drivers/staging/winbond/linux/wb35rx.c    | 16 ++++++------
 drivers/staging/winbond/linux/wb35rx_s.h  |  2 +-
 drivers/staging/winbond/linux/wb35tx.c    |  8 +++---
 drivers/staging/winbond/linux/wb35tx_f.h  |  2 +-
 drivers/staging/winbond/linux/wbusb.c     |  4 +--
 drivers/staging/winbond/mds.c             | 28 +++++++++++---------
 drivers/staging/winbond/mds_f.h           |  6 ++---
 drivers/staging/winbond/mds_s.h           |  8 +++---
 drivers/staging/winbond/mlme_s.h          |  2 +-
 drivers/staging/winbond/mlmetxrx.c        |  4 +--
 drivers/staging/winbond/mlmetxrx_f.h      |  4 +--
 drivers/staging/winbond/reg.c             | 24 ++++++++---------
 drivers/staging/winbond/sme_api.h         |  2 +-
 drivers/staging/winbond/wbhal.c           | 32 +++++++++++------------
 drivers/staging/winbond/wbhal_f.h         | 28 ++++++++++----------
 drivers/staging/winbond/wbhal_s.h         |  4 +--
 drivers/staging/winbond/wblinux.c         |  7 ++---
 23 files changed, 119 insertions(+), 124 deletions(-)

diff --git a/drivers/staging/winbond/bss_f.h b/drivers/staging/winbond/bss_f.h
index c957bc94f08..01318315399 100644
--- a/drivers/staging/winbond/bss_f.h
+++ b/drivers/staging/winbond/bss_f.h
@@ -24,7 +24,7 @@ void DesiredRate2InfoElement(PWB32_ADAPTER Adapter, u8	*addr, u16 *iFildOffset,
 							 u8 *pBasicRateSet, u8 BasicRateCount,
 							 u8 *pOperationRateSet, u8 OperationRateCount);
 void BSSAddIBSSdata(PWB32_ADAPTER Adapter, PWB_BSSDESCRIPTION psDesData);
-unsigned char boCmpMacAddr( PUCHAR, PUCHAR );
+unsigned char boCmpMacAddr( u8 *, u8 *);
 unsigned char boCmpSSID(struct SSID_Element *psSSID1, struct SSID_Element *psSSID2);
 u16 wBSSfindSSID(PWB32_ADAPTER Adapter, struct SSID_Element *psSsid);
 u16 wRoamingQuery(PWB32_ADAPTER Adapter);
@@ -42,11 +42,11 @@ void RateReSortForSRate(PWB32_ADAPTER Adapter, u8 *RateArray, u8 num);
 void Assemble_IE(PWB32_ADAPTER Adapter, u16 wBssIdx);
 void SetMaxTxRate(PWB32_ADAPTER Adapter);
 
-void CreateWpaIE(PWB32_ADAPTER Adapter, u16* iFildOffset, PUCHAR msg, struct  Management_Frame* msgHeader,
+void CreateWpaIE(PWB32_ADAPTER Adapter, u16* iFildOffset, u8 *msg, struct  Management_Frame* msgHeader,
 				 struct Association_Request_Frame_Body* msgBody, u16 iMSindex); //added by WS 05/14/05
 
 #ifdef _WPA2_
-void CreateRsnIE(PWB32_ADAPTER Adapter, u16* iFildOffset, PUCHAR msg, struct  Management_Frame* msgHeader,
+void CreateRsnIE(PWB32_ADAPTER Adapter, u16* iFildOffset, u8 *msg, struct  Management_Frame* msgHeader,
 				 struct Association_Request_Frame_Body* msgBody, u16 iMSindex);//added by WS 05/14/05
 
 u16 SearchPmkid(PWB32_ADAPTER Adapter, struct  Management_Frame* msgHeader,
diff --git a/drivers/staging/winbond/ds_tkip.h b/drivers/staging/winbond/ds_tkip.h
index 29e5055b45a..6841d66e7e8 100644
--- a/drivers/staging/winbond/ds_tkip.h
+++ b/drivers/staging/winbond/ds_tkip.h
@@ -25,9 +25,9 @@ typedef struct tkip
 	s32		bytes_in_M;	// # bytes in M
 } tkip_t;
 
-//void _append_data( PUCHAR pData, u16 size, tkip_t *p );
-void Mds_MicGet(  void* Adapter,  void* pRxLayer1,  PUCHAR pKey,  PUCHAR pMic );
-void Mds_MicFill(  void* Adapter,  void* pDes,  PUCHAR XmitBufAddress );
+//void _append_data( u8 *pData, u16 size, tkip_t *p );
+void Mds_MicGet(  void* Adapter,  void* pRxLayer1,  u8 *pKey,  u8 *pMic );
+void Mds_MicFill(  void* Adapter,  void* pDes,  u8 *XmitBufAddress );
 
 
 
diff --git a/drivers/staging/winbond/linux/common.h b/drivers/staging/winbond/linux/common.h
index 6b00bad74f7..c8f14b7b5b2 100644
--- a/drivers/staging/winbond/linux/common.h
+++ b/drivers/staging/winbond/linux/common.h
@@ -39,14 +39,6 @@
 // Common type definition
 //===============================================================
 
-typedef u8*            PUCHAR;
-typedef s8*            PCHAR;
-typedef u8*            PBOOLEAN;
-typedef u16*           PUSHORT;
-typedef u32*           PULONG;
-typedef s16*   PSHORT;
-
-
 //===========================================
 #define IGNORE      2
 #define	SUCCESS     1
@@ -110,7 +102,7 @@ typedef struct urb * PURB;
 #define OS_ATOMIC_READ( _A, _V )	_V
 #define OS_ATOMIC_INC( _A, _V )		EncapAtomicInc( _A, (void*)_V )
 #define OS_ATOMIC_DEC( _A, _V )		EncapAtomicDec( _A, (void*)_V )
-#define OS_MEMORY_CLEAR( _A, _S )	memset( (PUCHAR)_A,0,_S)
+#define OS_MEMORY_CLEAR( _A, _S )	memset( (u8 *)_A,0,_S)
 #define OS_MEMORY_COMPARE( _A, _B, _S )	(memcmp(_A,_B,_S)? 0 : 1) // Definition is reverse with Ndis 1: the same 0: different
 
 
diff --git a/drivers/staging/winbond/linux/wb35reg.c b/drivers/staging/winbond/linux/wb35reg.c
index 2c0b454e8ca..5c28ec9643d 100644
--- a/drivers/staging/winbond/linux/wb35reg.c
+++ b/drivers/staging/winbond/linux/wb35reg.c
@@ -10,7 +10,7 @@ extern void phy_calibration_winbond(hw_data_t *phw_data, u32 frequency);
 // Flag : AUTO_INCREMENT - RegisterNo will auto increment 4
 //		  NO_INCREMENT - Function will write data into the same register
 unsigned char
-Wb35Reg_BurstWrite(phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterData, u8 NumberOfData, u8 Flag)
+Wb35Reg_BurstWrite(phw_data_t pHwData, u16 RegisterNo, u32 * pRegisterData, u8 NumberOfData, u8 Flag)
 {
 	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
 	PURB		pUrb = NULL;
@@ -30,13 +30,13 @@ Wb35Reg_BurstWrite(phw_data_t pHwData, u16 RegisterNo, PULONG pRegisterData, u8
 	if( pUrb && pRegQueue ) {
 		pRegQueue->DIRECT = 2;// burst write register
 		pRegQueue->INDEX = RegisterNo;
-		pRegQueue->pBuffer = (PULONG)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		pRegQueue->pBuffer = (u32 *)((u8 *)pRegQueue + sizeof(REG_QUEUE));
 		memcpy( pRegQueue->pBuffer, pRegisterData, DataSize );
 		//the function for reversing register data from little endian to big endian
 		for( i=0; i<NumberOfData ; i++ )
 			pRegQueue->pBuffer[i] = cpu_to_le32( pRegQueue->pBuffer[i] );
 
-		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE) + DataSize);
+		dr = (struct usb_ctrlrequest *)((u8 *)pRegQueue + sizeof(REG_QUEUE) + DataSize);
 		dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE;
 		dr->bRequest = 0x04; // USB or vendor-defined request code, burst mode
 		dr->wValue = cpu_to_le16( Flag ); // 0: Register number auto-increment, 1: No auto increment
@@ -181,7 +181,7 @@ Wb35Reg_Write(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue )
 		pRegQueue->INDEX = RegisterNo;
 		pRegQueue->VALUE = cpu_to_le32(RegisterValue);
 		pRegQueue->RESERVED_VALID = FALSE;
-		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		dr = (struct usb_ctrlrequest *)((u8 *)pRegQueue + sizeof(REG_QUEUE));
 		dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE;
 		dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode
 		dr->wValue = cpu_to_le16(0x0);
@@ -220,7 +220,7 @@ Wb35Reg_Write(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue )
 // FALSE : register not support
 unsigned char
 Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, u16 RegisterNo, u32 RegisterValue,
-				PCHAR pValue, s8 Len)
+				s8 *pValue, s8 Len)
 {
 	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
 	struct usb_ctrlrequest *dr;
@@ -243,7 +243,7 @@ Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, u16 RegisterNo, u32 Register
 		//NOTE : Users must guarantee the size of value will not exceed the buffer size.
 		memcpy(pRegQueue->RESERVED, pValue, Len);
 		pRegQueue->RESERVED_VALID = TRUE;
-		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		dr = (struct usb_ctrlrequest *)((u8 *)pRegQueue + sizeof(REG_QUEUE));
 		dr->bRequestType = USB_TYPE_VENDOR|USB_DIR_OUT |USB_RECIP_DEVICE;
 		dr->bRequest = 0x03; // USB or vendor-defined request code, burst mode
 		dr->wValue = cpu_to_le16(0x0);
@@ -278,10 +278,10 @@ Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, u16 RegisterNo, u32 Register
 // FALSE : register not support
 // pRegisterValue : It must be a resident buffer due to asynchronous read register.
 unsigned char
-Wb35Reg_ReadSync(  phw_data_t pHwData,  u16 RegisterNo,   PULONG pRegisterValue )
+Wb35Reg_ReadSync(  phw_data_t pHwData,  u16 RegisterNo,   u32 * pRegisterValue )
 {
 	PWB35REG pWb35Reg = &pHwData->Wb35Reg;
-	PULONG	pltmp = pRegisterValue;
+	u32 *	pltmp = pRegisterValue;
 	int ret = -1;
 
 	// Module shutdown
@@ -327,7 +327,7 @@ Wb35Reg_ReadSync(  phw_data_t pHwData,  u16 RegisterNo,   PULONG pRegisterValue
 // FALSE : register not support
 // pRegisterValue : It must be a resident buffer due to asynchronous read register.
 unsigned char
-Wb35Reg_Read(phw_data_t pHwData, u16 RegisterNo,  PULONG pRegisterValue )
+Wb35Reg_Read(phw_data_t pHwData, u16 RegisterNo,  u32 * pRegisterValue )
 {
 	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
 	struct usb_ctrlrequest * dr;
@@ -348,7 +348,7 @@ Wb35Reg_Read(phw_data_t pHwData, u16 RegisterNo,  PULONG pRegisterValue )
 		pRegQueue->DIRECT = 0;// read register
 		pRegQueue->INDEX = RegisterNo;
 		pRegQueue->pBuffer = pRegisterValue;
-		dr = (struct usb_ctrlrequest *)((PUCHAR)pRegQueue + sizeof(REG_QUEUE));
+		dr = (struct usb_ctrlrequest *)((u8 *)pRegQueue + sizeof(REG_QUEUE));
 		dr->bRequestType = USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN;
 		dr->bRequest = 0x01; // USB or vendor-defined request code, burst mode
 		dr->wValue = cpu_to_le16(0x0);
@@ -399,7 +399,7 @@ Wb35Reg_EP0VM(phw_data_t pHwData )
 	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
 	PURB		pUrb;
 	struct usb_ctrlrequest *dr;
-	PULONG		pBuffer;
+	u32 *		pBuffer;
 	int			ret = -1;
 	PREG_QUEUE	pRegQueue;
 
@@ -429,7 +429,7 @@ Wb35Reg_EP0VM(phw_data_t pHwData )
 
 	usb_fill_control_urb( pUrb, pHwData->WbUsb.udev,
 			      REG_DIRECTION(pHwData->WbUsb.udev,pRegQueue),
-			      (PUCHAR)dr,pBuffer,cpu_to_le16(dr->wLength),
+			      (u8 *)dr,pBuffer,cpu_to_le16(dr->wLength),
 			      Wb35Reg_EP0VM_complete, (void*)pHwData);
 
 	pWb35Reg->EP0vm_state = VM_RUNNING;
@@ -655,7 +655,7 @@ unsigned char Wb35Reg_initial(phw_data_t pHwData)
 //    version in _GENREQ.ASM of the DWB NE1000/2000 driver.
 //==================================================================================
 u32
-CardComputeCrc(PUCHAR Buffer, u32 Length)
+CardComputeCrc(u8 * Buffer, u32 Length)
 {
     u32 Crc, Carry;
     u32  i, j;
diff --git a/drivers/staging/winbond/linux/wb35reg_f.h b/drivers/staging/winbond/linux/wb35reg_f.h
index 38e2906b51a..3006cfe99cc 100644
--- a/drivers/staging/winbond/linux/wb35reg_f.h
+++ b/drivers/staging/winbond/linux/wb35reg_f.h
@@ -29,16 +29,16 @@ void EEPROMTxVgaAdjust(  phw_data_t pHwData ); // 20060619.5 Add
 
 void Wb35Reg_destroy(  phw_data_t pHwData );
 
-unsigned char Wb35Reg_Read(  phw_data_t pHwData,  u16 RegisterNo,   PULONG pRegisterValue );
-unsigned char Wb35Reg_ReadSync(  phw_data_t pHwData,  u16 RegisterNo,   PULONG pRegisterValue );
+unsigned char Wb35Reg_Read(  phw_data_t pHwData,  u16 RegisterNo,   u32 * pRegisterValue );
+unsigned char Wb35Reg_ReadSync(  phw_data_t pHwData,  u16 RegisterNo,   u32 * pRegisterValue );
 unsigned char Wb35Reg_Write(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue );
 unsigned char Wb35Reg_WriteSync(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue );
 unsigned char Wb35Reg_WriteWithCallbackValue(  phw_data_t pHwData,
 								 u16 RegisterNo,
 								 u32 RegisterValue,
-								 PCHAR pValue,
-								 s8	Len);
-unsigned char Wb35Reg_BurstWrite(  phw_data_t pHwData,  u16 RegisterNo,  PULONG pRegisterData,  u8 NumberOfData,  u8 Flag );
+								 s8 *pValue,
+								 s8 Len);
+unsigned char Wb35Reg_BurstWrite(  phw_data_t pHwData,  u16 RegisterNo,  u32 * pRegisterData,  u8 NumberOfData,  u8 Flag );
 
 void Wb35Reg_EP0VM(  phw_data_t pHwData );
 void Wb35Reg_EP0VM_start(  phw_data_t pHwData );
@@ -47,7 +47,7 @@ void Wb35Reg_EP0VM_complete(  PURB pUrb );
 u32 BitReverse( u32 dwData, u32 DataLength);
 
 void CardGetMulticastBit(   u8 Address[MAC_ADDR_LENGTH],  u8 *Byte,  u8 *Value );
-u32 CardComputeCrc(  PUCHAR Buffer,  u32 Length );
+u32 CardComputeCrc(  u8 * Buffer,  u32 Length );
 
 void Wb35Reg_phy_calibration(  phw_data_t pHwData );
 void Wb35Reg_Update(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue );
diff --git a/drivers/staging/winbond/linux/wb35reg_s.h b/drivers/staging/winbond/linux/wb35reg_s.h
index a7595b1e733..9b763012610 100644
--- a/drivers/staging/winbond/linux/wb35reg_s.h
+++ b/drivers/staging/winbond/linux/wb35reg_s.h
@@ -75,7 +75,7 @@ typedef struct _REG_QUEUE
 	union
 	{
 		u32	VALUE;
-		PULONG	pBuffer;
+		u32 *	pBuffer;
 	};
 	u8	RESERVED[4];// space reserved for communication
 
diff --git a/drivers/staging/winbond/linux/wb35rx.c b/drivers/staging/winbond/linux/wb35rx.c
index 26157eb3d5a..c5c331773db 100644
--- a/drivers/staging/winbond/linux/wb35rx.c
+++ b/drivers/staging/winbond/linux/wb35rx.c
@@ -27,7 +27,7 @@ void Wb35Rx_start(phw_data_t pHwData)
 void Wb35Rx(  phw_data_t pHwData )
 {
 	PWB35RX	pWb35Rx = &pHwData->Wb35Rx;
-	PUCHAR	pRxBufferAddress;
+	u8 *	pRxBufferAddress;
 	PURB	pUrb = (PURB)pWb35Rx->RxUrb;
 	int	retv;
 	u32	RxBufferId;
@@ -89,7 +89,7 @@ void Wb35Rx_Complete(PURB pUrb)
 {
 	phw_data_t	pHwData = pUrb->context;
 	PWB35RX		pWb35Rx = &pHwData->Wb35Rx;
-	PUCHAR		pRxBufferAddress;
+	u8 *		pRxBufferAddress;
 	u32		SizeCheck;
 	u16		BulkLength;
 	u32		RxBufferId;
@@ -116,7 +116,7 @@ void Wb35Rx_Complete(PURB pUrb)
 
 		// Start to process the data only in successful condition
 		pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver
-		R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress);
+		R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
 
 		// The URB is completed, check the result
 		if (pWb35Rx->EP3VM_status != 0) {
@@ -223,7 +223,7 @@ void Wb35Rx_reset_descriptor(  phw_data_t pHwData )
 
 void Wb35Rx_adjust(PDESCRIPTOR pRxDes)
 {
-	PULONG	pRxBufferAddress;
+	u32 *	pRxBufferAddress;
 	u32	DecryptionMethod;
 	u32	i;
 	u16	BufferSize;
@@ -264,7 +264,7 @@ u16 Wb35Rx_indicate(phw_data_t pHwData)
 {
 	DESCRIPTOR	RxDes;
 	PWB35RX	pWb35Rx = &pHwData->Wb35Rx;
-	PUCHAR		pRxBufferAddress;
+	u8 *		pRxBufferAddress;
 	u16		PacketSize;
 	u16		stmp, BufferSize, stmp2 = 0;
 	u32		RxBufferId;
@@ -283,13 +283,13 @@ u16 Wb35Rx_indicate(phw_data_t pHwData)
 
 		// Parse the bulkin buffer
 		while (BufferSize >= 4) {
-			if ((cpu_to_le32(*(PULONG)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a
+			if ((cpu_to_le32(*(u32 *)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a
 				break;
 
 			// Get the R00 R01 first
-			RxDes.R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress);
+			RxDes.R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
 			PacketSize = (u16)RxDes.R00.R00_receive_byte_count;
-			RxDes.R01.value = le32_to_cpu(*((PULONG)(pRxBufferAddress+4)));
+			RxDes.R01.value = le32_to_cpu(*((u32 *)(pRxBufferAddress+4)));
 			// For new DMA 4k
 			if ((PacketSize & 0x03) > 0)
 				PacketSize -= 4;
diff --git a/drivers/staging/winbond/linux/wb35rx_s.h b/drivers/staging/winbond/linux/wb35rx_s.h
index 53b831fdeb7..b90c269e6ad 100644
--- a/drivers/staging/winbond/linux/wb35rx_s.h
+++ b/drivers/staging/winbond/linux/wb35rx_s.h
@@ -41,7 +41,7 @@ typedef struct _WB35RX
 	u32		Ep3ErrorCount2; // 20060625.1 Usbd for Rx DMA error count
 
 	int		EP3VM_status;
-	PUCHAR	pDRx;
+	u8 *	pDRx;
 
 } WB35RX, *PWB35RX;
 
diff --git a/drivers/staging/winbond/linux/wb35tx.c b/drivers/staging/winbond/linux/wb35tx.c
index cf19c3bc524..bcb014a073d 100644
--- a/drivers/staging/winbond/linux/wb35tx.c
+++ b/drivers/staging/winbond/linux/wb35tx.c
@@ -12,7 +12,7 @@
 
 
 unsigned char
-Wb35Tx_get_tx_buffer(phw_data_t pHwData, PUCHAR *pBuffer )
+Wb35Tx_get_tx_buffer(phw_data_t pHwData, u8 **pBuffer)
 {
 	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
 
@@ -37,7 +37,7 @@ void Wb35Tx(phw_data_t pHwData)
 {
 	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
 	PADAPTER	Adapter = pHwData->Adapter;
-	PUCHAR		pTxBufferAddress;
+	u8		*pTxBufferAddress;
 	PMDS		pMds = &Adapter->Mds;
 	struct urb *	pUrb = (struct urb *)pWb35Tx->Tx4Urb;
 	int         	retv;
@@ -225,7 +225,7 @@ void Wb35Tx_EP2VM(phw_data_t pHwData)
 {
 	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
 	struct urb *	pUrb = (struct urb *)pWb35Tx->Tx2Urb;
-	PULONG	pltmp = (PULONG)pWb35Tx->EP2_buf;
+	u32 *	pltmp = (u32 *)pWb35Tx->EP2_buf;
 	int		retv;
 
 	do {
@@ -266,7 +266,7 @@ void Wb35Tx_EP2VM_complete(struct urb * pUrb)
 	T02_DESCRIPTOR	T02, TSTATUS;
 	PADAPTER	Adapter = (PADAPTER)pHwData->Adapter;
 	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
-	PULONG		pltmp = (PULONG)pWb35Tx->EP2_buf;
+	u32 *		pltmp = (u32 *)pWb35Tx->EP2_buf;
 	u32		i;
 	u16		InterruptInLength;
 
diff --git a/drivers/staging/winbond/linux/wb35tx_f.h b/drivers/staging/winbond/linux/wb35tx_f.h
index 7705a8454dc..107b1291813 100644
--- a/drivers/staging/winbond/linux/wb35tx_f.h
+++ b/drivers/staging/winbond/linux/wb35tx_f.h
@@ -3,7 +3,7 @@
 //====================================
 unsigned char Wb35Tx_initial(	 phw_data_t pHwData );
 void Wb35Tx_destroy(  phw_data_t pHwData );
-unsigned char Wb35Tx_get_tx_buffer(  phw_data_t pHwData,  PUCHAR *pBuffer );
+unsigned char Wb35Tx_get_tx_buffer(  phw_data_t pHwData,  u8 **pBuffer );
 
 void Wb35Tx_EP2VM(  phw_data_t pHwData );
 void Wb35Tx_EP2VM_start(  phw_data_t pHwData );
diff --git a/drivers/staging/winbond/linux/wbusb.c b/drivers/staging/winbond/linux/wbusb.c
index cbad5fb0595..ee9f4710316 100644
--- a/drivers/staging/winbond/linux/wbusb.c
+++ b/drivers/staging/winbond/linux/wbusb.c
@@ -136,7 +136,7 @@ static int wbsoft_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
 	hal_set_current_channel(&my_adapter->sHwData, ch);
 	hal_set_beacon_period(&my_adapter->sHwData, conf->beacon_int);
 //	hal_set_cap_info(&my_adapter->sHwData, ?? );
-// hal_set_ssid(phw_data_t pHwData,  PUCHAR pssid,  u8 ssid_len); ??
+// hal_set_ssid(phw_data_t pHwData,  u8 * pssid,  u8 ssid_len); ??
 	hal_set_accept_broadcast(&my_adapter->sHwData, 1);
 	hal_set_accept_promiscuous(&my_adapter->sHwData,  1);
 	hal_set_accept_multicast(&my_adapter->sHwData,  1);
@@ -148,7 +148,7 @@ static int wbsoft_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
 
 //	hal_start_bss(&my_adapter->sHwData, WLAN_BSSTYPE_INFRASTRUCTURE);	??
 
-//void hal_set_rates(phw_data_t pHwData, PUCHAR pbss_rates,
+//void hal_set_rates(phw_data_t pHwData, u8 * pbss_rates,
 //		   u8 length, unsigned char basic_rate_set)
 
 	return 0;
diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c
index 8ce6389c413..400397c79b7 100644
--- a/drivers/staging/winbond/mds.c
+++ b/drivers/staging/winbond/mds.c
@@ -40,7 +40,7 @@ Mds_Tx(PADAPTER Adapter)
 	PMDS		pMds = &Adapter->Mds;
 	DESCRIPTOR	TxDes;
 	PDESCRIPTOR	pTxDes = &TxDes;
-	PUCHAR		XmitBufAddress;
+	u8		*XmitBufAddress;
 	u16		XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold;
 	u8		FillIndex, TxDesIndex, FragmentCount, FillCount;
 	unsigned char	BufferFilled = FALSE, MICAdd = 0;
@@ -90,7 +90,7 @@ Mds_Tx(PADAPTER Adapter)
 			BufferFilled = TRUE;
 
 			/* Leaves first u8 intact */
-			memset((PUCHAR)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1);
+			memset((u8 *)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1);
 
 			TxDesIndex = pMds->TxDesIndex;//Get the current ID
 			pTxDes->Descriptor_ID = TxDesIndex;
@@ -229,10 +229,10 @@ Mds_SendComplete(PADAPTER Adapter, PT02_DESCRIPTOR pT02)
 }
 
 void
-Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
+Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, u8 *TargetBuffer)
 {
 	PMDS	pMds = &Adapter->Mds;
-	PUCHAR	src_buffer = pDes->buffer_address[0];//931130.5.g
+	u8	*src_buffer = pDes->buffer_address[0];//931130.5.g
 	PT00_DESCRIPTOR	pT00;
 	PT01_DESCRIPTOR	pT01;
 	u16	stmp;
@@ -276,7 +276,7 @@ Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
 	//
 	// Set tx rate
 	//
-	stmp = *(PUSHORT)(TargetBuffer+30); // 2n alignment address
+	stmp = *(u16 *)(TargetBuffer+30); // 2n alignment address
 
 	//Use basic rate
 	ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG;
@@ -326,11 +326,13 @@ Mds_HeaderCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
 
 // The function return the 4n size of usb pk
 u16
-Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
+Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, u8 *TargetBuffer)
 {
 	PT00_DESCRIPTOR	pT00;
 	PMDS	pMds = &Adapter->Mds;
-	PUCHAR	buffer, src_buffer, pctmp;
+	u8	*buffer;
+	u8	*src_buffer;
+	u8	*pctmp;
 	u16	Size = 0;
 	u16	SizeLeft, CopySize, CopyLeft, stmp;
 	u8	buf_index, FragmentCount = 0;
@@ -354,7 +356,7 @@ Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
 		SizeLeft -= CopySize;
 
 		// 1 Byte operation
-		pctmp = (PUCHAR)( buffer + 8 + DOT_11_SEQUENCE_OFFSET );
+		pctmp = (u8 *)( buffer + 8 + DOT_11_SEQUENCE_OFFSET );
 		*pctmp &= 0xf0;
 		*pctmp |= FragmentCount;//931130.5.m
 		if( !FragmentCount )
@@ -379,7 +381,7 @@ Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
 				buf_index++;
 				buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX;
 			} else {
-				PUCHAR	pctmp = pDes->buffer_address[buf_index];
+				u8	*pctmp = pDes->buffer_address[buf_index];
 				pctmp += CopySize;
 				pDes->buffer_address[buf_index] = pctmp;
 				pDes->buffer_size[buf_index] -= CopySize;
@@ -419,7 +421,7 @@ Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
 
 	pT00->T00_last_mpdu = 1;
 	pT00->T00_IsLastMpdu = 1;
-	buffer = (PUCHAR)pT00 + 8; // +8 for USB hdr
+	buffer = (u8 *)pT00 + 8; // +8 for USB hdr
 	buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control
 	pDes->FragmentCount = FragmentCount; // Update the correct fragment number
 	return Size;
@@ -427,7 +429,7 @@ Mds_BodyCopy(PADAPTER Adapter, PDESCRIPTOR pDes, PUCHAR TargetBuffer)
 
 
 void
-Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR buffer )
+Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  u8 *buffer )
 {
 	PT00_DESCRIPTOR	pT00;
 	PT01_DESCRIPTOR	pT01;
@@ -574,7 +576,7 @@ Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR buffer )
 							DEFAULT_SIFSTIME*3 );
 			}
 
-			((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+			((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
 
 			//----20061009 add by anson's endian
 			pNextT00->value = cpu_to_le32(pNextT00->value);
@@ -615,7 +617,7 @@ Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR buffer )
 		}
 	}
 
-	((PUSHORT)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
+	((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration
 	pT00->value = cpu_to_le32(pT00->value);
 	pT01->value = cpu_to_le32(pT01->value);
 	//--end 20061009 add
diff --git a/drivers/staging/winbond/mds_f.h b/drivers/staging/winbond/mds_f.h
index 651188be106..7a682d4cfbd 100644
--- a/drivers/staging/winbond/mds_f.h
+++ b/drivers/staging/winbond/mds_f.h
@@ -1,9 +1,9 @@
 unsigned char Mds_initial(  PADAPTER Adapter );
 void Mds_Destroy(  PADAPTER Adapter );
 void Mds_Tx(  PADAPTER Adapter );
-void Mds_HeaderCopy(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR TargetBuffer );
-u16 Mds_BodyCopy(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR TargetBuffer );
-void Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  PUCHAR TargetBuffer );
+void Mds_HeaderCopy(  PADAPTER Adapter,  PDESCRIPTOR pDes,  u8 *TargetBuffer );
+u16 Mds_BodyCopy(  PADAPTER Adapter,  PDESCRIPTOR pDes,  u8 *TargetBuffer );
+void Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  u8 *TargetBuffer );
 void Mds_SendComplete(  PADAPTER Adapter,  PT02_DESCRIPTOR pT02 );
 void Mds_MpduProcess(  PADAPTER Adapter,  PDESCRIPTOR pRxDes );
 void Mds_reset_descriptor(  PADAPTER Adapter );
diff --git a/drivers/staging/winbond/mds_s.h b/drivers/staging/winbond/mds_s.h
index 4738279d5f3..9df2e0936bf 100644
--- a/drivers/staging/winbond/mds_s.h
+++ b/drivers/staging/winbond/mds_s.h
@@ -86,7 +86,7 @@ typedef struct _MDS
 {
 	// For Tx usage
 	u8	TxOwner[ ((MAX_USB_TX_BUFFER_NUMBER + 3) & ~0x03) ];
-	PUCHAR	pTxBuffer;
+	u8	*pTxBuffer;
 	u16	TxBufferSize[ ((MAX_USB_TX_BUFFER_NUMBER + 1) & ~0x01) ];
 	u8	TxDesFrom[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ];//931130.4.u // 1: MLME 2: NDIS control 3: NDIS data
 	u8	TxCountInBuffer[ ((MAX_USB_TX_DESCRIPTOR + 3) & ~0x03) ]; // 20060928
@@ -103,7 +103,7 @@ typedef struct _MDS
 	u16	TxResult[ ((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01) ];//Collect the sending result of Mpdu
 
 	u8	MicRedundant[8]; // For tmp use
-	PUCHAR	MicWriteAddress[2]; //The start address to fill the Mic, use 2 point due to Mic maybe fragment
+	u8	*MicWriteAddress[2]; //The start address to fill the Mic, use 2 point due to Mic maybe fragment
 
 	u16	MicWriteSize[2]; //931130.4.x
 
@@ -144,7 +144,7 @@ typedef struct _MDS
 
 typedef struct _RxBuffer
 {
-    PUCHAR  pBufferAddress;     // Pointer the received data buffer.
+    u8 * pBufferAddress;     // Pointer the received data buffer.
 	u16	BufferSize;
 	u8	RESERVED;
 	u8	BufferIndex;// Only 1 byte
@@ -176,7 +176,7 @@ typedef struct _RXLAYER1
 	/////////////////////////////////////////////////////////////////////////////////////////////
 	// For brand-new Rx system
 	u8	ReservedBuffer[ 2400 ];//If Buffer ID is reserved one, it must copy the data into this area
-	PUCHAR	ReservedBufferPoint;// Point to the next availabe address of reserved buffer
+	u8	*ReservedBufferPoint;// Point to the next availabe address of reserved buffer
 
 }RXLAYER1, * PRXLAYER1;
 
diff --git a/drivers/staging/winbond/mlme_s.h b/drivers/staging/winbond/mlme_s.h
index 58094f61c03..6ec818b3c23 100644
--- a/drivers/staging/winbond/mlme_s.h
+++ b/drivers/staging/winbond/mlme_s.h
@@ -125,7 +125,7 @@
 typedef struct _MLME_FRAME
 {
 	//NDIS_PACKET		MLME_Packet;
-	PCHAR			pMMPDU;
+	s8 *			pMMPDU;
 	u16			len;
 	u8			DataType;
 	u8			IsInUsed;
diff --git a/drivers/staging/winbond/mlmetxrx.c b/drivers/staging/winbond/mlmetxrx.c
index 46b091e9679..e8533b8d197 100644
--- a/drivers/staging/winbond/mlmetxrx.c
+++ b/drivers/staging/winbond/mlmetxrx.c
@@ -113,13 +113,13 @@ MLME_GetNextPacket(PADAPTER Adapter, PDESCRIPTOR pDes)
 	pDes->Type = Adapter->sMlmeFrame.DataType;
 }
 
-void MLMEfreeMMPDUBuffer(PWB32_ADAPTER Adapter, PCHAR pData)
+void MLMEfreeMMPDUBuffer(PWB32_ADAPTER Adapter, s8 *pData)
 {
 	int i;
 
 	// Reclaim the data buffer
 	for (i = 0; i < MAX_NUM_TX_MMPDU; i++) {
-		if (pData == (PCHAR)&(Adapter->sMlmeFrame.TxMMPDU[i]))
+		if (pData == (s8 *)&(Adapter->sMlmeFrame.TxMMPDU[i]))
 			break;
 	}
 	if (Adapter->sMlmeFrame.TxMMPDUInUse[i])
diff --git a/drivers/staging/winbond/mlmetxrx_f.h b/drivers/staging/winbond/mlmetxrx_f.h
index d74e225be21..24cd5f308d9 100644
--- a/drivers/staging/winbond/mlmetxrx_f.h
+++ b/drivers/staging/winbond/mlmetxrx_f.h
@@ -20,7 +20,7 @@ MLMEGetMMPDUBuffer(
      PWB32_ADAPTER    Adapter
    );
 
-void MLMEfreeMMPDUBuffer( PWB32_ADAPTER Adapter,  PCHAR pData);
+void MLMEfreeMMPDUBuffer( PWB32_ADAPTER Adapter,  s8 * pData);
 
 void MLME_GetNextPacket(  PADAPTER Adapter,  PDESCRIPTOR pDes );
 u8 MLMESendFrame( PWB32_ADAPTER Adapter,
@@ -42,7 +42,7 @@ MLMERcvFrame(
 void
 MLMEReturnPacket(
      PWB32_ADAPTER    Adapter,
-     PUCHAR           pRxBufer
+     u8 *          pRxBufer
    );
 #ifdef _IBSS_BEACON_SEQ_STICK_
 s8 SendBCNullData(PWB32_ADAPTER Adapter, u16 wIdx);
diff --git a/drivers/staging/winbond/reg.c b/drivers/staging/winbond/reg.c
index b475c7a7c42..57af5b83150 100644
--- a/drivers/staging/winbond/reg.c
+++ b/drivers/staging/winbond/reg.c
@@ -922,16 +922,16 @@ Uxx_ReadEthernetAddress(  phw_data_t pHwData )
 	// Only unplug and plug again can make hardware read EEPROM again. 20060727
 	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08000000 ); // Start EEPROM access + Read + address(0x0d)
 	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
-	*(PUSHORT)pHwData->PermanentMacAddress = cpu_to_le16((u16)ltmp); //20060926 anson's endian
+	*(u16 *)pHwData->PermanentMacAddress = cpu_to_le16((u16)ltmp); //20060926 anson's endian
 	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08010000 ); // Start EEPROM access + Read + address(0x0d)
 	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
-	*(PUSHORT)(pHwData->PermanentMacAddress + 2) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
+	*(u16 *)(pHwData->PermanentMacAddress + 2) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
 	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x08020000 ); // Start EEPROM access + Read + address(0x0d)
 	Wb35Reg_ReadSync( pHwData, 0x03b4, &ltmp );
-	*(PUSHORT)(pHwData->PermanentMacAddress + 4) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
-	*(PUSHORT)(pHwData->PermanentMacAddress + 6) = 0;
-	Wb35Reg_WriteSync( pHwData, 0x03e8, cpu_to_le32(*(PULONG)pHwData->PermanentMacAddress) ); //20060926 anson's endian
-	Wb35Reg_WriteSync( pHwData, 0x03ec, cpu_to_le32(*(PULONG)(pHwData->PermanentMacAddress+4)) ); //20060926 anson's endian
+	*(u16 *)(pHwData->PermanentMacAddress + 4) = cpu_to_le16((u16)ltmp); //20060926 anson's endian
+	*(u16 *)(pHwData->PermanentMacAddress + 6) = 0;
+	Wb35Reg_WriteSync( pHwData, 0x03e8, cpu_to_le32(*(u32 *)pHwData->PermanentMacAddress) ); //20060926 anson's endian
+	Wb35Reg_WriteSync( pHwData, 0x03ec, cpu_to_le32(*(u32 *)(pHwData->PermanentMacAddress+4)) ); //20060926 anson's endian
 }
 
 
@@ -1038,7 +1038,7 @@ void
 RFSynthesizer_initial(phw_data_t pHwData)
 {
 	u32	altmp[32];
-	PULONG	pltmp = altmp;
+	u32 *	pltmp = altmp;
 	u32	ltmp;
 	u8	number=0x00; // The number of register vale
 	u8	i;
@@ -2358,11 +2358,11 @@ void Mxx_initial(  phw_data_t pHwData )
 	pltmp[2] = pWb35Reg->M2C_MacControl;
 
 	// M30 BSSID
-	pltmp[3] = *(PULONG)pHwData->bssid;
+	pltmp[3] = *(u32 *)pHwData->bssid;
 
 	// M34
 	pHwData->AID = DEFAULT_AID;
-	tmp = *(PUSHORT)(pHwData->bssid+4);
+	tmp = *(u16 *)(pHwData->bssid+4);
 	tmp |= DEFAULT_AID << 16;
 	pltmp[4] = tmp;
 
@@ -2428,7 +2428,7 @@ void GetTxVgaFromEEPROM(  phw_data_t pHwData )
 {
 	u32		i, j, ltmp;
 	u16		Value[MAX_TXVGA_EEPROM];
-	PUCHAR		pctmp;
+	u8		*pctmp;
 	u8		ctmp=0;
 
 	// Get the entire TxVga setting in EEPROM
@@ -2441,7 +2441,7 @@ void GetTxVgaFromEEPROM(  phw_data_t pHwData )
 	}
 
 	// Adjust the filed which fills with reserved value.
-	pctmp = (PUCHAR)Value;
+	pctmp = (u8 *)Value;
 	for( i=0; i<(MAX_TXVGA_EEPROM*2); i++ )
 	{
 		if( pctmp[i] != 0xff )
@@ -2480,7 +2480,7 @@ void GetTxVgaFromEEPROM(  phw_data_t pHwData )
 // This function will use default TxVgaSettingInEEPROM data to calculate new TxVga.
 void EEPROMTxVgaAdjust(  phw_data_t pHwData ) // 20060619.5 Add
 {
-	PUCHAR		pTxVga = pHwData->TxVgaSettingInEEPROM;
+	u8	*	pTxVga = pHwData->TxVgaSettingInEEPROM;
 	s16		i, stmp;
 
 	//-- 2.4G -- 20060704.2 Request from Tiger
diff --git a/drivers/staging/winbond/sme_api.h b/drivers/staging/winbond/sme_api.h
index 016b225ca4a..745eb376bc7 100644
--- a/drivers/staging/winbond/sme_api.h
+++ b/drivers/staging/winbond/sme_api.h
@@ -208,7 +208,7 @@ s8 sme_set_tx_antenna(void *pcore_data, u32 TxAntenna);
 s8 sme_set_IBSS_chan(void *pcore_data, ChanInfo chan);
 
 //20061108 WPS
-s8 sme_set_IE_append(void *pcore_data, PUCHAR buffer, u16 buf_len);
+s8 sme_set_IE_append(void *pcore_data, u8 *buffer, u16 buf_len);
 
 
 
diff --git a/drivers/staging/winbond/wbhal.c b/drivers/staging/winbond/wbhal.c
index daf44224755..5d68ecec34c 100644
--- a/drivers/staging/winbond/wbhal.c
+++ b/drivers/staging/winbond/wbhal.c
@@ -1,13 +1,13 @@
 #include "os_common.h"
 
-void hal_get_ethernet_address( phw_data_t pHwData, PUCHAR current_address )
+void hal_get_ethernet_address( phw_data_t pHwData, u8 *current_address )
 {
 	if( pHwData->SurpriseRemove ) return;
 
 	memcpy( current_address, pHwData->CurrentMacAddress, ETH_LENGTH_OF_ADDRESS );
 }
 
-void hal_set_ethernet_address( phw_data_t pHwData, PUCHAR current_address )
+void hal_set_ethernet_address( phw_data_t pHwData, u8 *current_address )
 {
 	u32 ltmp[2];
 
@@ -15,13 +15,13 @@ void hal_set_ethernet_address( phw_data_t pHwData, PUCHAR current_address )
 
 	memcpy( pHwData->CurrentMacAddress, current_address, ETH_LENGTH_OF_ADDRESS );
 
-	ltmp[0]= cpu_to_le32( *(PULONG)pHwData->CurrentMacAddress );
-	ltmp[1]= cpu_to_le32( *(PULONG)(pHwData->CurrentMacAddress + 4) ) & 0xffff;
+	ltmp[0]= cpu_to_le32( *(u32 *)pHwData->CurrentMacAddress );
+	ltmp[1]= cpu_to_le32( *(u32 *)(pHwData->CurrentMacAddress + 4) ) & 0xffff;
 
 	Wb35Reg_BurstWrite( pHwData, 0x03e8, ltmp, 2, AUTO_INCREMENT );
 }
 
-void hal_get_permanent_address( phw_data_t pHwData, PUCHAR pethernet_address )
+void hal_get_permanent_address( phw_data_t pHwData, u8 *pethernet_address )
 {
 	if( pHwData->SurpriseRemove ) return;
 
@@ -89,7 +89,7 @@ void hal_halt(phw_data_t pHwData, void *ppa_data)
 }
 
 //---------------------------------------------------------------------------------------------------
-void hal_set_rates(phw_data_t pHwData, PUCHAR pbss_rates,
+void hal_set_rates(phw_data_t pHwData, u8 *pbss_rates,
 		   u8 length, unsigned char basic_rate_set)
 {
 	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
@@ -158,13 +158,13 @@ void hal_set_rates(phw_data_t pHwData, PUCHAR pbss_rates,
 	// Fill data into support rate until buffer full
 	//---20060926 add by anson's endian
 	for (i=0; i<4; i++)
-		*(PULONG)(SupportedRate+(i<<2)) = cpu_to_le32( *(PULONG)(SupportedRate+(i<<2)) );
+		*(u32 *)(SupportedRate+(i<<2)) = cpu_to_le32( *(u32 *)(SupportedRate+(i<<2)) );
 	//--- end 20060926 add by anson's endian
-	Wb35Reg_BurstWrite( pHwData,0x087c, (PULONG)SupportedRate, 4, AUTO_INCREMENT );
-	pWb35Reg->M7C_MacControl = ((PULONG)SupportedRate)[0];
-	pWb35Reg->M80_MacControl = ((PULONG)SupportedRate)[1];
-	pWb35Reg->M84_MacControl = ((PULONG)SupportedRate)[2];
-	pWb35Reg->M88_MacControl = ((PULONG)SupportedRate)[3];
+	Wb35Reg_BurstWrite( pHwData,0x087c, (u32 *)SupportedRate, 4, AUTO_INCREMENT );
+	pWb35Reg->M7C_MacControl = ((u32 *)SupportedRate)[0];
+	pWb35Reg->M80_MacControl = ((u32 *)SupportedRate)[1];
+	pWb35Reg->M84_MacControl = ((u32 *)SupportedRate)[2];
+	pWb35Reg->M88_MacControl = ((u32 *)SupportedRate)[3];
 
 	// Fill length
 	tmp = Count1<<28 | Count2<<24;
@@ -206,7 +206,7 @@ void hal_set_current_channel_ex(  phw_data_t pHwData,  ChanInfo channel )
 	pWb35Reg->M28_MacControl &= ~0xff; // Clean channel information field
 	pWb35Reg->M28_MacControl |= channel.ChanNo;
 	Wb35Reg_WriteWithCallbackValue( pHwData, 0x0828, pWb35Reg->M28_MacControl,
-					(PCHAR)&channel, sizeof(ChanInfo));
+					(s8 *)&channel, sizeof(ChanInfo));
 }
 //---------------------------------------------------------------------------------------------------
 void hal_set_current_channel(  phw_data_t pHwData,  ChanInfo channel )
@@ -277,7 +277,7 @@ void hal_set_accept_beacon(  phw_data_t pHwData,  u8 enable )
 	Wb35Reg_Write( pHwData, 0x0800, pWb35Reg->M00_MacControl );
 }
 //---------------------------------------------------------------------------------------------------
-void hal_set_multicast_address( phw_data_t pHwData, PUCHAR address, u8 number )
+void hal_set_multicast_address( phw_data_t pHwData, u8 *address, u8 number )
 {
 	PWB35REG	pWb35Reg = &pHwData->Wb35Reg;
 	u8		Byte, Bit;
@@ -297,7 +297,7 @@ void hal_set_multicast_address( phw_data_t pHwData, PUCHAR address, u8 number )
 	}
 
 	// Updating register
-	Wb35Reg_BurstWrite( pHwData, 0x0804, (PULONG)pWb35Reg->Multicast, 2, AUTO_INCREMENT );
+	Wb35Reg_BurstWrite( pHwData, 0x0804, (u32 *)pWb35Reg->Multicast, 2, AUTO_INCREMENT );
 }
 //---------------------------------------------------------------------------------------------------
 u8 hal_get_accept_beacon(  phw_data_t pHwData )
@@ -806,7 +806,7 @@ u8 hal_get_hw_radio_off(  phw_data_t pHwData )
 	}
 }
 
-unsigned char hal_get_dxx_reg(  phw_data_t pHwData,  u16 number,  PULONG pValue )
+unsigned char hal_get_dxx_reg(  phw_data_t pHwData,  u16 number,  u32 * pValue )
 {
 	if( number < 0x1000 )
 		number += 0x1000;
diff --git a/drivers/staging/winbond/wbhal_f.h b/drivers/staging/winbond/wbhal_f.h
index fe25f97af72..ea9531ac847 100644
--- a/drivers/staging/winbond/wbhal_f.h
+++ b/drivers/staging/winbond/wbhal_f.h
@@ -16,23 +16,23 @@
 //====================================================================================
 // Function declaration
 //====================================================================================
-void hal_remove_mapping_key(  phw_data_t pHwData,  PUCHAR pmac_addr );
+void hal_remove_mapping_key(  phw_data_t pHwData,  u8 *pmac_addr );
 void hal_remove_default_key(  phw_data_t pHwData,  u32 index );
-unsigned char hal_set_mapping_key(  phw_data_t Adapter,  PUCHAR pmac_addr,  u8 null_key,  u8 wep_on,  PUCHAR ptx_tsc,  PUCHAR prx_tsc,  u8 key_type,  u8 key_len,  PUCHAR pkey_data );
-unsigned char hal_set_default_key(  phw_data_t Adapter,  u8 index,  u8 null_key,  u8 wep_on,  PUCHAR ptx_tsc,  PUCHAR prx_tsc,  u8 key_type,  u8 key_len,  PUCHAR pkey_data );
+unsigned char hal_set_mapping_key(  phw_data_t Adapter,  u8 *pmac_addr,  u8 null_key,  u8 wep_on,  u8 *ptx_tsc,  u8 *prx_tsc,  u8 key_type,  u8 key_len,  u8 *pkey_data );
+unsigned char hal_set_default_key(  phw_data_t Adapter,  u8 index,  u8 null_key,  u8 wep_on,  u8 *ptx_tsc,  u8 *prx_tsc,  u8 key_type,  u8 key_len,  u8 *pkey_data );
 void hal_clear_all_default_key(  phw_data_t pHwData );
 void hal_clear_all_group_key(  phw_data_t pHwData );
 void hal_clear_all_mapping_key(  phw_data_t pHwData );
 void hal_clear_all_key(  phw_data_t pHwData );
-void hal_get_ethernet_address(  phw_data_t pHwData,  PUCHAR current_address );
-void hal_set_ethernet_address(  phw_data_t pHwData,  PUCHAR current_address );
-void hal_get_permanent_address(  phw_data_t pHwData,  PUCHAR pethernet_address );
+void hal_get_ethernet_address(  phw_data_t pHwData,  u8 *current_address );
+void hal_set_ethernet_address(  phw_data_t pHwData,  u8 *current_address );
+void hal_get_permanent_address(  phw_data_t pHwData,  u8 *pethernet_address );
 unsigned char hal_init_hardware(  phw_data_t pHwData,  PADAPTER Adapter );
 void hal_set_power_save_mode(  phw_data_t pHwData,  unsigned char power_save,  unsigned char wakeup,  unsigned char dtim );
-void hal_get_power_save_mode(  phw_data_t pHwData,   PBOOLEAN pin_pwr_save );
+void hal_get_power_save_mode(  phw_data_t pHwData,   u8 *pin_pwr_save );
 void hal_set_slot_time(  phw_data_t pHwData,  u8 type );
 #define hal_set_atim_window( _A, _ATM )
-void hal_set_rates(  phw_data_t pHwData,  PUCHAR pbss_rates,  u8 length,  unsigned char basic_rate_set );
+void hal_set_rates(  phw_data_t pHwData,  u8 *pbss_rates,  u8 length,  unsigned char basic_rate_set );
 #define hal_set_basic_rates( _A, _R, _L ) hal_set_rates( _A, _R, _L, TRUE )
 #define hal_set_op_rates( _A, _R, _L ) hal_set_rates( _A, _R, _L, FALSE )
 void hal_start_bss(  phw_data_t pHwData,  u8 mac_op_mode );
@@ -40,19 +40,19 @@ void hal_join_request(  phw_data_t pHwData,  u8 bss_type ); // 0:BSS STA 1:IBSS
 void hal_stop_sync_bss(  phw_data_t pHwData );
 void hal_resume_sync_bss(  phw_data_t pHwData);
 void hal_set_aid(  phw_data_t pHwData,  u16 aid );
-void hal_set_bssid(  phw_data_t pHwData,  PUCHAR pbssid );
-void hal_get_bssid(  phw_data_t pHwData,  PUCHAR pbssid );
+void hal_set_bssid(  phw_data_t pHwData,  u8 *pbssid );
+void hal_get_bssid(  phw_data_t pHwData,  u8 *pbssid );
 void hal_set_beacon_period(  phw_data_t pHwData,  u16 beacon_period );
 void hal_set_listen_interval(  phw_data_t pHwData,  u16 listen_interval );
 void hal_set_cap_info(  phw_data_t pHwData,  u16 capability_info );
-void hal_set_ssid(  phw_data_t pHwData,  PUCHAR pssid,  u8 ssid_len );
+void hal_set_ssid(  phw_data_t pHwData,  u8 *pssid,  u8 ssid_len );
 void hal_set_current_channel(  phw_data_t pHwData,  ChanInfo channel );
 void hal_set_current_channel_ex(  phw_data_t pHwData,  ChanInfo channel );
 void hal_get_current_channel(  phw_data_t pHwData,  ChanInfo *channel );
 void hal_set_accept_broadcast(  phw_data_t pHwData,  u8 enable );
 void hal_set_accept_multicast(  phw_data_t pHwData,  u8 enable );
 void hal_set_accept_beacon(  phw_data_t pHwData,  u8 enable );
-void hal_set_multicast_address(  phw_data_t pHwData,  PUCHAR address,  u8 number );
+void hal_set_multicast_address(  phw_data_t pHwData,  u8 *address,  u8 number );
 u8 hal_get_accept_beacon(  phw_data_t pHwData );
 void hal_stop(  phw_data_t pHwData );
 void hal_halt(  phw_data_t pHwData, void *ppa_data );
@@ -97,7 +97,7 @@ void hal_surprise_remove(  phw_data_t pHwData );
 
 
 void hal_rate_change(  phw_data_t pHwData ); // Notify the HAL rate is changing 20060613.1
-unsigned char hal_get_dxx_reg(  phw_data_t pHwData,  u16 number,  PULONG pValue );
+unsigned char hal_get_dxx_reg(  phw_data_t pHwData,  u16 number,  u32 * pValue );
 unsigned char hal_set_dxx_reg(  phw_data_t pHwData,  u16 number,  u32 value );
 #define hal_get_time_count( _P )	(_P->time_count/10)	// return 100ms count
 #define hal_detect_error( _P )		(_P->WbUsb.DetectCount)
@@ -116,7 +116,7 @@ unsigned char	hal_idle(  phw_data_t pHwData );
 #define pa_stall_execution( _A )	//OS_SLEEP( 1 )
 #define hw_get_cxx_reg( _A, _B, _C )
 #define hw_set_cxx_reg( _A, _B, _C )
-#define hw_get_dxx_reg( _A, _B, _C )	hal_get_dxx_reg( _A, _B, (PULONG)_C )
+#define hw_get_dxx_reg( _A, _B, _C )	hal_get_dxx_reg( _A, _B, (u32 *)_C )
 #define hw_set_dxx_reg( _A, _B, _C )	hal_set_dxx_reg( _A, _B, (u32)_C )
 
 
diff --git a/drivers/staging/winbond/wbhal_s.h b/drivers/staging/winbond/wbhal_s.h
index 5b862ff357b..2ee3f0fc1ad 100644
--- a/drivers/staging/winbond/wbhal_s.h
+++ b/drivers/staging/winbond/wbhal_s.h
@@ -461,7 +461,7 @@ typedef struct _HW_DATA_T
 	//=====================================================================
 	// Definition for 802.11
 	//=====================================================================
-	PUCHAR	bssid_pointer; // Used by hal_get_bssid for return value
+	u8	*bssid_pointer; // Used by hal_get_bssid for return value
 	u8	bssid[8];// Only 6 byte will be used. 8 byte is required for read buffer
 	u8	ssid[32];// maximum ssid length is 32 byte
 
@@ -486,7 +486,7 @@ typedef struct _HW_DATA_T
 	u32	CurrentRadioSw; // 20060320.2 0:On 1:Off
 	u32	CurrentRadioHw; // 20060825 0:On 1:Off
 
-	PUCHAR	power_save_point;  // Used by hal_get_power_save_mode for return value
+	u8	*power_save_point;  // Used by hal_get_power_save_mode for return value
 	u8	cwmin;
 	u8	desired_power_save;
 	u8	dtim;// Is running dtim
diff --git a/drivers/staging/winbond/wblinux.c b/drivers/staging/winbond/wblinux.c
index 2eade5a47b1..51dad95b48b 100644
--- a/drivers/staging/winbond/wblinux.c
+++ b/drivers/staging/winbond/wblinux.c
@@ -25,7 +25,7 @@ EncapAtomicInc(PADAPTER Adapter, void* pAtomic)
 {
 	PWBLINUX pWbLinux = &Adapter->WbLinux;
 	u32	ltmp;
-	PULONG	pltmp = (PULONG)pAtomic;
+	u32 *	pltmp = (u32 *)pAtomic;
 	OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
 	(*pltmp)++;
 	ltmp = (*pltmp);
@@ -38,7 +38,7 @@ EncapAtomicDec(PADAPTER Adapter, void* pAtomic)
 {
 	PWBLINUX pWbLinux = &Adapter->WbLinux;
 	u32	ltmp;
-	PULONG	pltmp = (PULONG)pAtomic;
+	u32 *	pltmp = (u32 *)pAtomic;
 	OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
 	(*pltmp)--;
 	ltmp = (*pltmp);
@@ -142,7 +142,8 @@ unsigned char
 WbWLanInitialize(PADAPTER Adapter)
 {
 	phw_data_t	pHwData;
-	PUCHAR		pMacAddr, pMacAddr2;
+	u8		*pMacAddr;
+	u8		*pMacAddr2;
 	u32		InitStep = 0;
 	u8		EEPROM_region;
 	u8		HwRadioOff;
-- 
GitLab


From e88bd231e4f00f050c4cf385f7cb2fde12f2a101 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Fri, 17 Oct 2008 14:46:10 -0700
Subject: [PATCH 1846/2224] Staging: sxg: replace __FUNCTION__ with __func__

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/sxg.c    | 206 +++++++++++++++++------------------
 drivers/staging/sxg/sxgdbg.h |   2 +-
 2 files changed, 104 insertions(+), 104 deletions(-)

diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index 6ccbee875ab..d8772e5bf2d 100644
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -202,7 +202,7 @@ static void sxg_init_driver(void)
 {
 	if (sxg_first_init) {
 		DBG_ERROR("sxg: %s sxg_first_init set jiffies[%lx]\n",
-			  __FUNCTION__, jiffies);
+			  __func__, jiffies);
 		sxg_first_init = 0;
 		spin_lock_init(&sxg_global.driver_lock);
 	}
@@ -259,7 +259,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DnldUcod",
 		  adapter, 0, 0, 0);
-	DBG_ERROR("sxg: %s ENTER\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENTER\n", __func__);
 
 	switch (UcodeSel) {
 	case SXG_UCODE_SAHARA:	// Sahara operational ucode
@@ -345,7 +345,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 			READ_REG(HwRegs->UcodeAddr, ValueRead);
 			if (ValueRead & MICROCODE_ADDRESS_PARITY) {
 				DBG_ERROR("sxg: %s PARITY ERROR\n",
-					  __FUNCTION__);
+					  __func__);
 
 				return (FALSE);	// Parity error
 			}
@@ -354,19 +354,19 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 			READ_REG(HwRegs->UcodeDataLow, ValueRead);
 			if (ValueRead != *Instruction) {
 				DBG_ERROR("sxg: %s MISCOMPARE LOW\n",
-					  __FUNCTION__);
+					  __func__);
 				return (FALSE);	// Miscompare
 			}
 			READ_REG(HwRegs->UcodeDataMiddle, ValueRead);
 			if (ValueRead != *(Instruction + 1)) {
 				DBG_ERROR("sxg: %s MISCOMPARE MIDDLE\n",
-					  __FUNCTION__);
+					  __func__);
 				return (FALSE);	// Miscompare
 			}
 			READ_REG(HwRegs->UcodeDataHigh, ValueRead);
 			if (ValueRead != *(Instruction + 2)) {
 				DBG_ERROR("sxg: %s MISCOMPARE HIGH\n",
-					  __FUNCTION__);
+					  __func__);
 				return (FALSE);	// Miscompare
 			}
 			// Advance 3 u32S to start of next instruction
@@ -383,12 +383,12 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 		udelay(50);
 		READ_REG(adapter->UcodeRegs[0].CardUp, ValueRead);
 		if (ValueRead == 0xCAFE) {
-			DBG_ERROR("sxg: %s BOO YA 0xCAFE\n", __FUNCTION__);
+			DBG_ERROR("sxg: %s BOO YA 0xCAFE\n", __func__);
 			break;
 		}
 	}
 	if (i == 10000) {
-		DBG_ERROR("sxg: %s TIMEOUT\n", __FUNCTION__);
+		DBG_ERROR("sxg: %s TIMEOUT\n", __func__);
 
 		return (FALSE);	// Timeout
 	}
@@ -401,7 +401,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDnldUcd",
 		  adapter, 0, 0, 0);
-	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s EXIT\n", __func__);
 
 	return (TRUE);
 }
@@ -423,7 +423,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 //      PSXG_XMT_RING                                   XmtRing;
 //      PSXG_RCV_RING                                   RcvRing;
 
-	DBG_ERROR("%s ENTER\n", __FUNCTION__);
+	DBG_ERROR("%s ENTER\n", __func__);
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocRes",
 		  adapter, 0, 0, 0);
@@ -433,7 +433,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	RssIds = SXG_RSS_CPU_COUNT(adapter);
 	IsrCount = adapter->MsiEnabled ? RssIds : 1;
 
-	DBG_ERROR("%s Setup the spinlocks\n", __FUNCTION__);
+	DBG_ERROR("%s Setup the spinlocks\n", __func__);
 
 	// Allocate spinlocks and initialize listheads first.
 	spin_lock_init(&adapter->RcvQLock);
@@ -442,7 +442,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	spin_lock_init(&adapter->Bit64RegLock);
 	spin_lock_init(&adapter->AdapterLock);
 
-	DBG_ERROR("%s Setup the lists\n", __FUNCTION__);
+	DBG_ERROR("%s Setup the lists\n", __func__);
 
 	InitializeListHead(&adapter->FreeRcvBuffers);
 	InitializeListHead(&adapter->FreeRcvBlocks);
@@ -459,7 +459,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	// fails.  If we hit a minimum, fail.
 
 	for (;;) {
-		DBG_ERROR("%s Allocate XmtRings size[%lx]\n", __FUNCTION__,
+		DBG_ERROR("%s Allocate XmtRings size[%lx]\n", __func__,
 			  (sizeof(SXG_XMT_RING) * 1));
 
 		// Start with big items first - receive and transmit rings.  At the moment
@@ -469,20 +469,20 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 							 sizeof(SXG_XMT_RING) *
 							 1,
 							 &adapter->PXmtRings);
-		DBG_ERROR("%s XmtRings[%p]\n", __FUNCTION__, adapter->XmtRings);
+		DBG_ERROR("%s XmtRings[%p]\n", __func__, adapter->XmtRings);
 
 		if (!adapter->XmtRings) {
 			goto per_tcb_allocation_failed;
 		}
 		memset(adapter->XmtRings, 0, sizeof(SXG_XMT_RING) * 1);
 
-		DBG_ERROR("%s Allocate RcvRings size[%lx]\n", __FUNCTION__,
+		DBG_ERROR("%s Allocate RcvRings size[%lx]\n", __func__,
 			  (sizeof(SXG_RCV_RING) * 1));
 		adapter->RcvRings =
 		    pci_alloc_consistent(adapter->pcidev,
 					 sizeof(SXG_RCV_RING) * 1,
 					 &adapter->PRcvRings);
-		DBG_ERROR("%s RcvRings[%p]\n", __FUNCTION__, adapter->RcvRings);
+		DBG_ERROR("%s RcvRings[%p]\n", __func__, adapter->RcvRings);
 		if (!adapter->RcvRings) {
 			goto per_tcb_allocation_failed;
 		}
@@ -508,7 +508,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 		// Loop around and try again....
 	}
 
-	DBG_ERROR("%s Initialize RCV ZERO and XMT ZERO rings\n", __FUNCTION__);
+	DBG_ERROR("%s Initialize RCV ZERO and XMT ZERO rings\n", __func__);
 	// Initialize rcv zero and xmt zero rings
 	SXG_INITIALIZE_RING(adapter->RcvRingZeroInfo, SXG_RCV_RING_SIZE);
 	SXG_INITIALIZE_RING(adapter->XmtRingZeroInfo, SXG_XMT_RING_SIZE);
@@ -537,7 +537,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 		return (STATUS_RESOURCES);
 	}
 
-	DBG_ERROR("%s Allocate EventRings size[%lx]\n", __FUNCTION__,
+	DBG_ERROR("%s Allocate EventRings size[%lx]\n", __func__,
 		  (sizeof(SXG_EVENT_RING) * RssIds));
 
 	// Allocate event queues.
@@ -555,7 +555,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	}
 	memset(adapter->EventRings, 0, sizeof(SXG_EVENT_RING) * RssIds);
 
-	DBG_ERROR("%s Allocate ISR size[%x]\n", __FUNCTION__, IsrCount);
+	DBG_ERROR("%s Allocate ISR size[%x]\n", __func__, IsrCount);
 	// Allocate ISR
 	adapter->Isr = pci_alloc_consistent(adapter->pcidev,
 					    IsrCount, &adapter->PIsr);
@@ -569,7 +569,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	memset(adapter->Isr, 0, sizeof(u32) * IsrCount);
 
 	DBG_ERROR("%s Allocate shared XMT ring zero index location size[%lx]\n",
-		  __FUNCTION__, sizeof(u32));
+		  __func__, sizeof(u32));
 
 	// Allocate shared XMT ring zero index location
 	adapter->XmtRingZeroIndex = pci_alloc_consistent(adapter->pcidev,
@@ -587,7 +587,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAlcResS",
 		  adapter, SXG_MAX_ENTRIES, 0, 0);
 
-	DBG_ERROR("%s EXIT\n", __FUNCTION__);
+	DBG_ERROR("%s EXIT\n", __func__);
 	return (STATUS_SUCCESS);
 }
 
@@ -606,7 +606,7 @@ static void sxg_config_pci(struct pci_dev *pcidev)
 	u16 new_command;
 
 	pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
-	DBG_ERROR("sxg: %s  PCI command[%4.4x]\n", __FUNCTION__, pci_command);
+	DBG_ERROR("sxg: %s  PCI command[%4.4x]\n", __func__, pci_command);
 	// Set the command register
 	new_command = pci_command | (PCI_COMMAND_MEMORY |	// Memory Space Enable
 				     PCI_COMMAND_MASTER |	// Bus master enable
@@ -616,7 +616,7 @@ static void sxg_config_pci(struct pci_dev *pcidev)
 				     PCI_COMMAND_FAST_BACK);	// Fast back-to-back
 	if (pci_command != new_command) {
 		DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n",
-			  __FUNCTION__, pci_command, new_command);
+			  __func__, pci_command, new_command);
 		pci_write_config_word(pcidev, PCI_COMMAND, new_command);
 	}
 }
@@ -634,7 +634,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	ulong mmio_len = 0;
 
 	DBG_ERROR("sxg: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n",
-		  __FUNCTION__, jiffies, smp_processor_id());
+		  __func__, jiffies, smp_processor_id());
 
 	// Initialize trace buffer
 #ifdef ATKDBG
@@ -701,11 +701,11 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 		  mmio_start, mmio_len);
 
 	memmapped_ioaddr = ioremap(mmio_start, mmio_len);
-	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s MEMMAPPED_IOADDR [%p]\n", __func__,
 		  memmapped_ioaddr);
 	if (!memmapped_ioaddr) {
 		DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
-			  __FUNCTION__, mmio_len, mmio_start);
+			  __func__, mmio_len, mmio_start);
 		goto err_out_free_mmio_region;
 	}
 
@@ -727,7 +727,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 		  memmapped_ioaddr);
 	if (!memmapped_ioaddr) {
 		DBG_ERROR("%s cannot remap MMIO region %lx @ %lx\n",
-			  __FUNCTION__, mmio_len, mmio_start);
+			  __func__, mmio_len, mmio_start);
 		goto err_out_free_mmio_region;
 	}
 
@@ -762,13 +762,13 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 //        goto sxg_init_bad;
 //    }
 
-	DBG_ERROR("sxg: %s ENTER sxg_config_pci\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENTER sxg_config_pci\n", __func__);
 	sxg_config_pci(pcidev);
-	DBG_ERROR("sxg: %s EXIT sxg_config_pci\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s EXIT sxg_config_pci\n", __func__);
 
-	DBG_ERROR("sxg: %s ENTER sxg_init_driver\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENTER sxg_init_driver\n", __func__);
 	sxg_init_driver();
-	DBG_ERROR("sxg: %s EXIT sxg_init_driver\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s EXIT sxg_init_driver\n", __func__);
 
 	adapter->vendid = pci_tbl_entry->vendor;
 	adapter->devid = pci_tbl_entry->device;
@@ -785,18 +785,18 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	adapter->cardindex = adapter->port;
 
 	// Allocate memory and other resources
-	DBG_ERROR("sxg: %s ENTER sxg_allocate_resources\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENTER sxg_allocate_resources\n", __func__);
 	status = sxg_allocate_resources(adapter);
 	DBG_ERROR("sxg: %s EXIT sxg_allocate_resources status %x\n",
-		  __FUNCTION__, status);
+		  __func__, status);
 	if (status != STATUS_SUCCESS) {
 		goto err_out_unmap;
 	}
 
-	DBG_ERROR("sxg: %s ENTER sxg_download_microcode\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENTER sxg_download_microcode\n", __func__);
 	if (sxg_download_microcode(adapter, SXG_UCODE_SAHARA)) {
 		DBG_ERROR("sxg: %s ENTER sxg_adapter_set_hwaddr\n",
-			  __FUNCTION__);
+			  __func__);
 		sxg_adapter_set_hwaddr(adapter);
 	} else {
 		adapter->state = ADAPT_FAIL;
@@ -836,7 +836,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	ASSERT(status == FALSE);
 //      sxg_free_adapter(adapter);
 
-	DBG_ERROR("sxg: %s EXIT status[%x] jiffies[%lx] cpu %d\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s EXIT status[%x] jiffies[%lx] cpu %d\n", __func__,
 		  status, jiffies, smp_processor_id());
 	return status;
 
@@ -848,7 +848,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 
       err_out_exit_sxg_probe:
 
-	DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __FUNCTION__, jiffies,
+	DBG_ERROR("%s EXIT jiffies[%lx] cpu %d\n", __func__, jiffies,
 		  smp_processor_id());
 
 	return -ENODEV;
@@ -1067,7 +1067,7 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
 	if (Isr & SXG_ISR_ERR) {
 		if (Isr & SXG_ISR_PDQF) {
 			adapter->Stats.PdqFull++;
-			DBG_ERROR("%s: SXG_ISR_ERR  PDQF!!\n", __FUNCTION__);
+			DBG_ERROR("%s: SXG_ISR_ERR  PDQF!!\n", __func__);
 		}
 		// No host buffer
 		if (Isr & SXG_ISR_RMISS) {
@@ -1080,7 +1080,7 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
 			adapter->Stats.RcvNoBuffer++;
 			if (adapter->Stats.RcvNoBuffer < 5) {
 				DBG_ERROR("%s: SXG_ISR_ERR  RMISS!!\n",
-					  __FUNCTION__);
+					  __func__);
 			}
 		}
 		// Card crash
@@ -1091,7 +1091,7 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
 					    SXG_ISR_CPU_SHIFT);
 			adapter->CrashLocation = (ushort) (Isr & SXG_ISR_CRASH);
 			adapter->Dead = TRUE;
-			DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __FUNCTION__,
+			DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __func__,
 				  adapter->CrashLocation, adapter->CrashCpu);
 		}
 		// Event ring full
@@ -1102,13 +1102,13 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
 			// and/or reduce/remove interrupt aggregation.
 			adapter->Stats.EventRingFull++;
 			DBG_ERROR("%s: SXG_ISR_ERR  EVENT RING FULL!!\n",
-				  __FUNCTION__);
+				  __func__);
 		}
 		// Transmit drop - no DRAM buffers or XMT error
 		if (Isr & SXG_ISR_XDROP) {
 			adapter->Stats.XmtDrops++;
 			adapter->Stats.XmtErrors++;
-			DBG_ERROR("%s: SXG_ISR_ERR  XDROP!!\n", __FUNCTION__);
+			DBG_ERROR("%s: SXG_ISR_ERR  XDROP!!\n", __func__);
 		}
 	}
 	// Slowpath send completions
@@ -1218,7 +1218,7 @@ static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId)
 			break;
 		default:
 			DBG_ERROR("%s: ERROR  Invalid EventCode %d\n",
-				  __FUNCTION__, Event->Code);
+				  __func__, Event->Code);
 //                      ASSERT(0);
 		}
 		// See if we need to restock card receive buffers.
@@ -1606,7 +1606,7 @@ static int sxg_register_interrupt(p_adapter_t adapter)
 
 		DBG_ERROR
 		    ("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x] %x\n",
-		     __FUNCTION__, adapter, adapter->netdev->irq, NR_IRQS);
+		     __func__, adapter, adapter->netdev->irq, NR_IRQS);
 
 		spin_unlock_irqrestore(&sxg_global.driver_lock,
 				       sxg_global.flags);
@@ -1629,14 +1629,14 @@ static int sxg_register_interrupt(p_adapter_t adapter)
 		adapter->MsiEnabled = FALSE;
 		adapter->RssEnabled = FALSE;
 		DBG_ERROR("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x]\n",
-			  __FUNCTION__, adapter, adapter->netdev->irq);
+			  __func__, adapter, adapter->netdev->irq);
 	}
 	return (STATUS_SUCCESS);
 }
 
 static void sxg_deregister_interrupt(p_adapter_t adapter)
 {
-	DBG_ERROR("sxg: %s ENTER adapter[%p]\n", __FUNCTION__, adapter);
+	DBG_ERROR("sxg: %s ENTER adapter[%p]\n", __func__, adapter);
 #if XXXTODO
 	slic_init_cleanup(adapter);
 #endif
@@ -1651,7 +1651,7 @@ static void sxg_deregister_interrupt(p_adapter_t adapter)
 	adapter->rcv_broadcasts = 0;
 	adapter->rcv_multicasts = 0;
 	adapter->rcv_unicasts = 0;
-	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s EXIT\n", __func__);
 }
 
 /*
@@ -1666,7 +1666,7 @@ static int sxg_if_init(p_adapter_t adapter)
 	int status = 0;
 
 	DBG_ERROR("sxg: %s (%s) ENTER states[%d:%d:%d] flags[%x]\n",
-		  __FUNCTION__, adapter->netdev->name,
+		  __func__, adapter->netdev->name,
 		  adapter->queues_initialized, adapter->state,
 		  adapter->linkstate, dev->flags);
 
@@ -1680,7 +1680,7 @@ static int sxg_if_init(p_adapter_t adapter)
 	adapter->devflags_prev = dev->flags;
 	adapter->macopts = MAC_DIRECTED;
 	if (dev->flags) {
-		DBG_ERROR("sxg: %s (%s) Set MAC options: ", __FUNCTION__,
+		DBG_ERROR("sxg: %s (%s) Set MAC options: ", __func__,
 			  adapter->netdev->name);
 		if (dev->flags & IFF_BROADCAST) {
 			adapter->macopts |= MAC_BCAST;
@@ -1713,7 +1713,7 @@ static int sxg_if_init(p_adapter_t adapter)
 	/*
 	 *    clear any pending events, then enable interrupts
 	 */
-	DBG_ERROR("sxg: %s ENABLE interrupts(slic)\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENABLE interrupts(slic)\n", __func__);
 
 	return (STATUS_SUCCESS);
 }
@@ -1724,11 +1724,11 @@ static int sxg_entry_open(p_net_device dev)
 	int status;
 
 	ASSERT(adapter);
-	DBG_ERROR("sxg: %s adapter->activated[%d]\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s adapter->activated[%d]\n", __func__,
 		  adapter->activated);
 	DBG_ERROR
 	    ("sxg: %s (%s): [jiffies[%lx] cpu %d] dev[%p] adapt[%p] port[%d]\n",
-	     __FUNCTION__, adapter->netdev->name, jiffies, smp_processor_id(),
+	     __func__, adapter->netdev->name, jiffies, smp_processor_id(),
 	     adapter->netdev, adapter, adapter->port);
 
 	netif_stop_queue(adapter->netdev);
@@ -1739,15 +1739,15 @@ static int sxg_entry_open(p_net_device dev)
 		adapter->activated = 1;
 	}
 	// Initialize the adapter
-	DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __func__);
 	status = sxg_initialize_adapter(adapter);
 	DBG_ERROR("sxg: %s EXIT sxg_initialize_adapter status[%x]\n",
-		  __FUNCTION__, status);
+		  __func__, status);
 
 	if (status == STATUS_SUCCESS) {
-		DBG_ERROR("sxg: %s ENTER sxg_if_init\n", __FUNCTION__);
+		DBG_ERROR("sxg: %s ENTER sxg_if_init\n", __func__);
 		status = sxg_if_init(adapter);
-		DBG_ERROR("sxg: %s EXIT sxg_if_init status[%x]\n", __FUNCTION__,
+		DBG_ERROR("sxg: %s EXIT sxg_if_init status[%x]\n", __func__,
 			  status);
 	}
 
@@ -1760,12 +1760,12 @@ static int sxg_entry_open(p_net_device dev)
 				       sxg_global.flags);
 		return (status);
 	}
-	DBG_ERROR("sxg: %s ENABLE ALL INTERRUPTS\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENABLE ALL INTERRUPTS\n", __func__);
 
 	// Enable interrupts
 	SXG_ENABLE_ALL_INTERRUPTS(adapter);
 
-	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s EXIT\n", __func__);
 
 	spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags);
 	return STATUS_SUCCESS;
@@ -1779,27 +1779,27 @@ static void __devexit sxg_entry_remove(struct pci_dev *pcidev)
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
 
 	ASSERT(adapter);
-	DBG_ERROR("sxg: %s ENTER dev[%p] adapter[%p]\n", __FUNCTION__, dev,
+	DBG_ERROR("sxg: %s ENTER dev[%p] adapter[%p]\n", __func__, dev,
 		  adapter);
 	sxg_deregister_interrupt(adapter);
 	sxg_unmap_mmio_space(adapter);
-	DBG_ERROR("sxg: %s unregister_netdev\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s unregister_netdev\n", __func__);
 	unregister_netdev(dev);
 
 	mmio_start = pci_resource_start(pcidev, 0);
 	mmio_len = pci_resource_len(pcidev, 0);
 
-	DBG_ERROR("sxg: %s rel_region(0) start[%x] len[%x]\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s rel_region(0) start[%x] len[%x]\n", __func__,
 		  mmio_start, mmio_len);
 	release_mem_region(mmio_start, mmio_len);
 
-	DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s iounmap dev->base_addr[%x]\n", __func__,
 		  (unsigned int)dev->base_addr);
 	iounmap((char *)dev->base_addr);
 
-	DBG_ERROR("sxg: %s deallocate device\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s deallocate device\n", __func__);
 	kfree(dev);
-	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s EXIT\n", __func__);
 }
 
 static int sxg_entry_halt(p_net_device dev)
@@ -1807,17 +1807,17 @@ static int sxg_entry_halt(p_net_device dev)
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
 
 	spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags);
-	DBG_ERROR("sxg: %s (%s) ENTER\n", __FUNCTION__, dev->name);
+	DBG_ERROR("sxg: %s (%s) ENTER\n", __func__, dev->name);
 
 	netif_stop_queue(adapter->netdev);
 	adapter->state = ADAPT_DOWN;
 	adapter->linkstate = LINK_DOWN;
 	adapter->devflags_prev = 0;
 	DBG_ERROR("sxg: %s (%s) set adapter[%p] state to ADAPT_DOWN(%d)\n",
-		  __FUNCTION__, dev->name, adapter, adapter->state);
+		  __func__, dev->name, adapter, adapter->state);
 
-	DBG_ERROR("sxg: %s (%s) EXIT\n", __FUNCTION__, dev->name);
-	DBG_ERROR("sxg: %s EXIT\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s (%s) EXIT\n", __func__, dev->name);
+	DBG_ERROR("sxg: %s EXIT\n", __func__);
 	spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags);
 	return (STATUS_SUCCESS);
 }
@@ -1825,7 +1825,7 @@ static int sxg_entry_halt(p_net_device dev)
 static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd)
 {
 	ASSERT(rq);
-//      DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __FUNCTION__, cmd, rq, dev);
+//      DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __func__, cmd, rq, dev);
 	switch (cmd) {
 	case SIOCSLICSETINTAGG:
 		{
@@ -1841,12 +1841,12 @@ static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd)
 			intagg = data[0];
 			printk(KERN_EMERG
 			       "%s: set interrupt aggregation to %d\n",
-			       __FUNCTION__, intagg);
+			       __func__, intagg);
 			return 0;
 		}
 
 	default:
-//              DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __FUNCTION__, cmd);
+//              DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __func__, cmd);
 		return -EOPNOTSUPP;
 	}
 	return 0;
@@ -1870,7 +1870,7 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev)
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
 	u32 status = STATUS_SUCCESS;
 
-	DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __func__,
 		  skb);
 	// Check the adapter state
 	switch (adapter->State) {
@@ -1914,7 +1914,7 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev)
 		adapter->stats.tx_dropped++;
 #endif
 	}
-	DBG_ERROR("sxg: %s EXIT sxg_send_packets status[%x]\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s EXIT sxg_send_packets status[%x]\n", __func__,
 		  status);
 
       xmit_done:
@@ -2279,7 +2279,7 @@ static int sxg_phy_init(p_adapter_t adapter)
 	PPHY_UCODE p;
 	int status;
 
-	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+	DBG_ERROR("ENTER %s\n", __func__);
 
 	// Read a register to identify the PHY type
 	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
@@ -2307,7 +2307,7 @@ static int sxg_phy_init(p_adapter_t adapter)
 			}
 		}
 	}
-	DBG_ERROR("EXIT %s\n", __FUNCTION__);
+	DBG_ERROR("EXIT %s\n", __func__);
 
 	return (STATUS_SUCCESS);
 }
@@ -2330,7 +2330,7 @@ static void sxg_link_event(p_adapter_t adapter)
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "LinkEvnt",
 		  adapter, 0, 0, 0);
-	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+	DBG_ERROR("ENTER %s\n", __func__);
 
 	// Check the Link Status register.  We should have a Link Alarm.
 	READ_REG(HwRegs->LinkStatus, Value);
@@ -2365,7 +2365,7 @@ static void sxg_link_event(p_adapter_t adapter)
 		DBG_ERROR("SXG: Link Status == 0x%08X.\n", Value);
 //              ASSERT(0);
 	}
-	DBG_ERROR("EXIT %s\n", __FUNCTION__);
+	DBG_ERROR("EXIT %s\n", __func__);
 
 }
 
@@ -2383,7 +2383,7 @@ static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter)
 	int status;
 	u32 Value;
 
-	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+	DBG_ERROR("ENTER %s\n", __func__);
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "GetLink",
 		  adapter, 0, 0, 0);
@@ -2421,7 +2421,7 @@ static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter)
 		return (SXG_LINK_DOWN);
 
 	// All 3 bits are true, so the link is up
-	DBG_ERROR("EXIT %s\n", __FUNCTION__);
+	DBG_ERROR("EXIT %s\n", __func__);
 
 	return (SXG_LINK_UP);
 
@@ -2437,11 +2437,11 @@ static void sxg_indicate_link_state(p_adapter_t adapter,
 {
 	if (adapter->LinkState == SXG_LINK_UP) {
 		DBG_ERROR("%s: LINK now UP, call netif_start_queue\n",
-			  __FUNCTION__);
+			  __func__);
 		netif_start_queue(adapter->netdev);
 	} else {
 		DBG_ERROR("%s: LINK now DOWN, call netif_stop_queue\n",
-			  __FUNCTION__);
+			  __func__);
 		netif_stop_queue(adapter->netdev);
 	}
 }
@@ -2464,7 +2464,7 @@ static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "LnkINDCT",
 		  adapter, LinkState, adapter->LinkState, adapter->State);
 
-	DBG_ERROR("ENTER %s\n", __FUNCTION__);
+	DBG_ERROR("ENTER %s\n", __func__);
 
 	// Hold the adapter lock during this routine.  Maybe move
 	// the lock to the caller.
@@ -2472,7 +2472,7 @@ static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
 	if (LinkState == adapter->LinkState) {
 		// Nothing changed..
 		spin_unlock(&adapter->AdapterLock);
-		DBG_ERROR("EXIT #0 %s\n", __FUNCTION__);
+		DBG_ERROR("EXIT #0 %s\n", __func__);
 		return;
 	}
 	// Save the adapter state
@@ -2480,7 +2480,7 @@ static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
 
 	// Drop the lock and indicate link state
 	spin_unlock(&adapter->AdapterLock);
-	DBG_ERROR("EXIT #1 %s\n", __FUNCTION__);
+	DBG_ERROR("EXIT #1 %s\n", __func__);
 
 	sxg_indicate_link_state(adapter, LinkState);
 }
@@ -2507,7 +2507,7 @@ static int sxg_write_mdio_reg(p_adapter_t adapter,
 	u32 ValueRead;
 	u32 Timeout;
 
-//  DBG_ERROR("ENTER %s\n", __FUNCTION__);
+//  DBG_ERROR("ENTER %s\n", __func__);
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO",
 		  adapter, 0, 0, 0);
@@ -2570,7 +2570,7 @@ static int sxg_write_mdio_reg(p_adapter_t adapter,
 		}
 	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
 
-//  DBG_ERROR("EXIT %s\n", __FUNCTION__);
+//  DBG_ERROR("EXIT %s\n", __func__);
 
 	return (STATUS_SUCCESS);
 }
@@ -2599,7 +2599,7 @@ static int sxg_read_mdio_reg(p_adapter_t adapter,
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO",
 		  adapter, 0, 0, 0);
-//  DBG_ERROR("ENTER %s\n", __FUNCTION__);
+//  DBG_ERROR("ENTER %s\n", __func__);
 
 	// Ensure values don't exceed field width
 	DevAddr &= 0x001F;	// 5-bit field
@@ -2662,7 +2662,7 @@ static int sxg_read_mdio_reg(p_adapter_t adapter,
 	READ_REG(HwRegs->MacAmiimField, *pValue);
 	*pValue &= 0xFFFF;	// data is in the lower 16 bits
 
-//  DBG_ERROR("EXIT %s\n", __FUNCTION__);
+//  DBG_ERROR("EXIT %s\n", __func__);
 
 	return (STATUS_SUCCESS);
 }
@@ -2809,7 +2809,7 @@ static void sxg_mcast_set_list(p_net_device dev)
 	}
 
 	DBG_ERROR("%s a->devflags_prev[%x] dev->flags[%x] status[%x]\n",
-		  __FUNCTION__, adapter->devflags_prev, dev->flags, status);
+		  __func__, adapter->devflags_prev, dev->flags, status);
 	if (adapter->devflags_prev != dev->flags) {
 		adapter->macopts = MAC_DIRECTED;
 		if (dev->flags) {
@@ -2828,7 +2828,7 @@ static void sxg_mcast_set_list(p_net_device dev)
 		}
 		adapter->devflags_prev = dev->flags;
 		DBG_ERROR("%s call sxg_config_set adapter->macopts[%x]\n",
-			  __FUNCTION__, adapter->macopts);
+			  __func__, adapter->macopts);
 		sxg_config_set(adapter, TRUE);
 	} else {
 		if (status == STATUS_SUCCESS) {
@@ -2843,7 +2843,7 @@ static void sxg_mcast_set_mask(p_adapter_t adapter)
 {
 	PSXG_UCODE_REGS sxg_regs = adapter->UcodeRegs;
 
-	DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __FUNCTION__,
+	DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__,
 		  adapter->netdev->name, (unsigned int)adapter->MacFilter,
 		  adapter->MulticastMask);
 
@@ -2852,17 +2852,17 @@ static void sxg_mcast_set_mask(p_adapter_t adapter)
 		 * mode as well as ALLMCAST mode.  It saves the Microcode from having
 		 * to keep state about the MAC configuration.
 		 */
-//              DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n      SLUT MODE!!!\n",__FUNCTION__);
+//              DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n      SLUT MODE!!!\n",__func__);
 		WRITE_REG(sxg_regs->McastLow, 0xFFFFFFFF, FLUSH);
 		WRITE_REG(sxg_regs->McastHigh, 0xFFFFFFFF, FLUSH);
-//        DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__FUNCTION__, adapter->netdev->name);
+//        DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__func__, adapter->netdev->name);
 
 	} else {
 		/* Commit our multicast mast to the SLIC by writing to the multicast
 		 * address mask registers
 		 */
 		DBG_ERROR("%s (%s) WRITE mcastlow[%lx] mcasthigh[%lx]\n",
-			  __FUNCTION__, adapter->netdev->name,
+			  __func__, adapter->netdev->name,
 			  ((ulong) (adapter->MulticastMask & 0xFFFFFFFF)),
 			  ((ulong)
 			   ((adapter->MulticastMask >> 32) & 0xFFFFFFFF)));
@@ -3200,7 +3200,7 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 		pci_free_consistent(adapter->pcidev,
 				    Length, RcvBlock, PhysicalAddress);
 	}
-	DBG_ERROR("%s: OUT OF RESOURCES\n", __FUNCTION__);
+	DBG_ERROR("%s: OUT OF RESOURCES\n", __func__);
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "RcvAFail",
 		  adapter, adapter->FreeRcvBufferCount,
 		  adapter->FreeRcvBlockCount, adapter->AllRcvBlockCount);
@@ -3244,13 +3244,13 @@ static unsigned char temp_mac_address[6] =
 
 static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
 {
-//  DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __FUNCTION__,
+//  DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __func__,
 //             card->config_set, adapter->port, adapter->physport, adapter->functionnumber);
 //
 //  sxg_dbg_macaddrs(adapter);
 
 	memcpy(adapter->macaddr, temp_mac_address, sizeof(SXG_CONFIG_MAC));
-//      DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __FUNCTION__);
+//      DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __func__);
 //      sxg_dbg_macaddrs(adapter);
 	if (!(adapter->currmacaddr[0] ||
 	      adapter->currmacaddr[1] ||
@@ -3262,7 +3262,7 @@ static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
 	if (adapter->netdev) {
 		memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, 6);
 	}
-//  DBG_ERROR ("%s EXIT port %d\n", __FUNCTION__, adapter->port);
+//  DBG_ERROR ("%s EXIT port %d\n", __func__, adapter->port);
 	sxg_dbg_macaddrs(adapter);
 
 }
@@ -3273,7 +3273,7 @@ static int sxg_mac_set_address(p_net_device dev, void *ptr)
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
 	struct sockaddr *addr = ptr;
 
-	DBG_ERROR("%s ENTER (%s)\n", __FUNCTION__, adapter->netdev->name);
+	DBG_ERROR("%s ENTER (%s)\n", __func__, adapter->netdev->name);
 
 	if (netif_running(dev)) {
 		return -EBUSY;
@@ -3282,14 +3282,14 @@ static int sxg_mac_set_address(p_net_device dev, void *ptr)
 		return -EBUSY;
 	}
 	DBG_ERROR("sxg: %s (%s) curr %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
-		  __FUNCTION__, adapter->netdev->name, adapter->currmacaddr[0],
+		  __func__, adapter->netdev->name, adapter->currmacaddr[0],
 		  adapter->currmacaddr[1], adapter->currmacaddr[2],
 		  adapter->currmacaddr[3], adapter->currmacaddr[4],
 		  adapter->currmacaddr[5]);
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
 	memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
 	DBG_ERROR("sxg: %s (%s) new %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n",
-		  __FUNCTION__, adapter->netdev->name, adapter->currmacaddr[0],
+		  __func__, adapter->netdev->name, adapter->currmacaddr[0],
 		  adapter->currmacaddr[1], adapter->currmacaddr[2],
 		  adapter->currmacaddr[3], adapter->currmacaddr[4],
 		  adapter->currmacaddr[5]);
@@ -3383,9 +3383,9 @@ static int sxg_initialize_adapter(p_adapter_t adapter)
 		  SXG_RCV_TCP_CSUM_ENABLED | SXG_RCV_IP_CSUM_ENABLED, TRUE);
 
 	// Initialize the MAC, XAUI
-	DBG_ERROR("sxg: %s ENTER sxg_initialize_link\n", __FUNCTION__);
+	DBG_ERROR("sxg: %s ENTER sxg_initialize_link\n", __func__);
 	status = sxg_initialize_link(adapter);
-	DBG_ERROR("sxg: %s EXIT sxg_initialize_link status[%x]\n", __FUNCTION__,
+	DBG_ERROR("sxg: %s EXIT sxg_initialize_link status[%x]\n", __func__,
 		  status);
 	if (status != STATUS_SUCCESS) {
 		return (status);
diff --git a/drivers/staging/sxg/sxgdbg.h b/drivers/staging/sxg/sxgdbg.h
index cfb6c7c77a9..4522b8d7149 100644
--- a/drivers/staging/sxg/sxgdbg.h
+++ b/drivers/staging/sxg/sxgdbg.h
@@ -58,7 +58,7 @@
     {                                                                             \
         if (!(a)) {                                                               \
             DBG_ERROR("ASSERT() Failure: file %s, function %s  line %d\n",\
-                __FILE__, __FUNCTION__, __LINE__);                                \
+                __FILE__, __func__, __LINE__);                                \
         }                                                                         \
     }
 #endif
-- 
GitLab


From 17f8c114944de27e2fd9402fa2a75bccdac18502 Mon Sep 17 00:00:00 2001
From: Tzafrir Cohen <tzafrir@cohens.org.il>
Date: Sun, 12 Oct 2008 06:03:14 +0200
Subject: [PATCH 1847/2224] Staging: echo: A separate oslec.h for external
 interface

Split out the external interface to a separate file called oslec.h .

Give the struct a name while we're at it.

Signed-off-by: Tzafrir Cohen <tzafrir@cohens.org.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/echo.h  | 53 ++--------------------
 drivers/staging/echo/oslec.h | 86 ++++++++++++++++++++++++++++++++++++
 2 files changed, 89 insertions(+), 50 deletions(-)
 create mode 100644 drivers/staging/echo/oslec.h

diff --git a/drivers/staging/echo/echo.h b/drivers/staging/echo/echo.h
index 7a91b4390f3..5c8b5153b19 100644
--- a/drivers/staging/echo/echo.h
+++ b/drivers/staging/echo/echo.h
@@ -118,21 +118,13 @@ a minor burden.
 */
 
 #include "fir.h"
-
-/* Mask bits for the adaption mode */
-#define ECHO_CAN_USE_ADAPTION	0x01
-#define ECHO_CAN_USE_NLP	0x02
-#define ECHO_CAN_USE_CNG	0x04
-#define ECHO_CAN_USE_CLIP	0x08
-#define ECHO_CAN_USE_TX_HPF	0x10
-#define ECHO_CAN_USE_RX_HPF	0x20
-#define ECHO_CAN_DISABLE	0x40
+#include "oslec.h"
 
 /*!
     G.168 echo canceller descriptor. This defines the working state for a line
     echo canceller.
 */
-typedef struct
+struct echo_can_state
 {
 	int16_t tx,rx;
 	int16_t clean;
@@ -176,45 +168,6 @@ typedef struct
 
 	/* snapshot sample of coeffs used for development */
 	int16_t *snapshot;
-} echo_can_state_t;
-
-/*! Create a voice echo canceller context.
-    \param len The length of the canceller, in samples.
-    \return The new canceller context, or NULL if the canceller could not be created.
-*/
-echo_can_state_t *echo_can_create(int len, int adaption_mode);
-
-/*! Free a voice echo canceller context.
-    \param ec The echo canceller context.
-*/
-void echo_can_free(echo_can_state_t *ec);
-
-/*! Flush (reinitialise) a voice echo canceller context.
-    \param ec The echo canceller context.
-*/
-void echo_can_flush(echo_can_state_t *ec);
-
-/*! Set the adaption mode of a voice echo canceller context.
-    \param ec The echo canceller context.
-    \param adapt The mode.
-*/
-void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode);
-
-void echo_can_snapshot(echo_can_state_t *ec);
-
-/*! Process a sample through a voice echo canceller.
-    \param ec The echo canceller context.
-    \param tx The transmitted audio sample.
-    \param rx The received audio sample.
-    \return The clean (echo cancelled) received sample.
-*/
-int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx);
-
-/*! Process to high pass filter the tx signal.
-    \param ec The echo canceller context.
-    \param tx The transmitted auio sample.
-    \return The HP filtered transmit sample, send this to your D/A.
-*/
-int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx);
+};
 
 #endif	/* __ECHO_H */
diff --git a/drivers/staging/echo/oslec.h b/drivers/staging/echo/oslec.h
new file mode 100644
index 00000000000..913fc51d857
--- /dev/null
+++ b/drivers/staging/echo/oslec.h
@@ -0,0 +1,86 @@
+/*
+ *  OSLEC - A line echo canceller.  This code is being developed
+ *          against and partially complies with G168. Using code from SpanDSP
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *         and David Rowe <david_at_rowetel_dot_com>
+ *
+ * Copyright (C) 2001 Steve Underwood and 2007-2008 David Rowe
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __OSLEC_H
+#define __OSLEC_H
+
+/* TODO: document interface */
+
+/* Mask bits for the adaption mode */
+#define ECHO_CAN_USE_ADAPTION	0x01
+#define ECHO_CAN_USE_NLP	0x02
+#define ECHO_CAN_USE_CNG	0x04
+#define ECHO_CAN_USE_CLIP	0x08
+#define ECHO_CAN_USE_TX_HPF	0x10
+#define ECHO_CAN_USE_RX_HPF	0x20
+#define ECHO_CAN_DISABLE	0x40
+
+/*!
+    G.168 echo canceller descriptor. This defines the working state for a line
+    echo canceller.
+*/
+typedef struct echo_can_state echo_can_state_t;
+
+/*! Create a voice echo canceller context.
+    \param len The length of the canceller, in samples.
+    \return The new canceller context, or NULL if the canceller could not be created.
+*/
+echo_can_state_t *echo_can_create(int len, int adaption_mode);
+
+/*! Free a voice echo canceller context.
+    \param ec The echo canceller context.
+*/
+void echo_can_free(echo_can_state_t *ec);
+
+/*! Flush (reinitialise) a voice echo canceller context.
+    \param ec The echo canceller context.
+*/
+void echo_can_flush(echo_can_state_t *ec);
+
+/*! Set the adaption mode of a voice echo canceller context.
+    \param ec The echo canceller context.
+    \param adapt The mode.
+*/
+void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode);
+
+void echo_can_snapshot(echo_can_state_t *ec);
+
+/*! Process a sample through a voice echo canceller.
+    \param ec The echo canceller context.
+    \param tx The transmitted audio sample.
+    \param rx The received audio sample.
+    \return The clean (echo cancelled) received sample.
+*/
+int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx);
+
+/*! Process to high pass filter the tx signal.
+    \param ec The echo canceller context.
+    \param tx The transmitted auio sample.
+    \return The HP filtered transmit sample, send this to your D/A.
+*/
+int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx);
+
+#endif	/* __OSLEC_H */
-- 
GitLab


From 68b8d9f6e5293eb342697f6edf319541a2c1b9b5 Mon Sep 17 00:00:00 2001
From: Tzafrir Cohen <tzafrir@cohens.org.il>
Date: Sun, 12 Oct 2008 06:55:40 +0200
Subject: [PATCH 1848/2224] Staging: echo: Export interface functions. Add
 module headers.

Signed-off-by: Tzafrir Cohen <tzafrir@cohens.org.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/echo.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index 4a281b14fc5..0a03eedb4f4 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -289,6 +289,7 @@ echo_can_state_t *echo_can_create(int len, int adaption_mode)
 
     return  ec;
 }
+EXPORT_SYMBOL_GPL(echo_can_create);
 /*- End of function --------------------------------------------------------*/
 
 void echo_can_free(echo_can_state_t *ec)
@@ -302,12 +303,14 @@ void echo_can_free(echo_can_state_t *ec)
 	kfree(ec->snapshot);
 	kfree(ec);
 }
+EXPORT_SYMBOL_GPL(echo_can_free);
 /*- End of function --------------------------------------------------------*/
 
 void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode)
 {
     ec->adaption_mode = adaption_mode;
 }
+EXPORT_SYMBOL_GPL(echo_can_adaption_mode);
 /*- End of function --------------------------------------------------------*/
 
 void echo_can_flush(echo_can_state_t *ec)
@@ -334,11 +337,13 @@ void echo_can_flush(echo_can_state_t *ec)
     ec->curr_pos = ec->taps - 1;
     ec->Pstates = 0;
 }
+EXPORT_SYMBOL_GPL(echo_can_flush);
 /*- End of function --------------------------------------------------------*/
 
 void echo_can_snapshot(echo_can_state_t *ec) {
     memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps*sizeof(int16_t));
 }
+EXPORT_SYMBOL_GPL(echo_can_snapshot);
 /*- End of function --------------------------------------------------------*/
 
 /* Dual Path Echo Canceller ------------------------------------------------*/
@@ -584,7 +589,7 @@ int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx)
 
     return (int16_t) ec->clean_nlp << 1;
 }
-
+EXPORT_SYMBOL_GPL(echo_can_update);
 /*- End of function --------------------------------------------------------*/
 
 /* This function is seperated from the echo canceller is it is usually called
@@ -630,3 +635,9 @@ int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx) {
 
     return tx;
 }
+EXPORT_SYMBOL_GPL(echo_can_hpf_tx);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("David Rowe");
+MODULE_DESCRIPTION("Open Source Line Echo Canceller");
+MODULE_VERSION("0.3.0");
-- 
GitLab


From 5b97de8c63efb179064cc422e9748d422e02677d Mon Sep 17 00:00:00 2001
From: Tzafrir Cohen <tzafrir@cohens.org.il>
Date: Sun, 12 Oct 2008 07:00:24 +0200
Subject: [PATCH 1849/2224] Staging: echo: Replace echo_can_state_t with struct
 echo_can_state

Signed-off-by: Tzafrir Cohen <tzafrir@cohens.org.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/echo.c  | 20 ++++++++++----------
 drivers/staging/echo/oslec.h | 16 ++++++++--------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index 0a03eedb4f4..a408b62fae4 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -128,7 +128,7 @@
 
 
 #ifdef __BLACKFIN_ASM__
-static void __inline__ lms_adapt_bg(echo_can_state_t *ec, int clean, int shift)
+static void __inline__ lms_adapt_bg(struct echo_can_state *ec, int clean, int shift)
 {
     int i, j;
     int offset1;
@@ -200,7 +200,7 @@ static void __inline__ lms_adapt_bg(echo_can_state_t *ec, int clean, int shift)
 */
 
 #else
-static __inline__ void lms_adapt_bg(echo_can_state_t *ec, int clean, int shift)
+static __inline__ void lms_adapt_bg(struct echo_can_state *ec, int clean, int shift)
 {
     int i;
 
@@ -234,9 +234,9 @@ static __inline__ void lms_adapt_bg(echo_can_state_t *ec, int clean, int shift)
 
 /*- End of function --------------------------------------------------------*/
 
-echo_can_state_t *echo_can_create(int len, int adaption_mode)
+struct echo_can_state *echo_can_create(int len, int adaption_mode)
 {
-    echo_can_state_t *ec;
+    struct echo_can_state *ec;
     int i;
     int j;
 
@@ -292,7 +292,7 @@ echo_can_state_t *echo_can_create(int len, int adaption_mode)
 EXPORT_SYMBOL_GPL(echo_can_create);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_free(echo_can_state_t *ec)
+void echo_can_free(struct echo_can_state *ec)
 {
 	int i;
 
@@ -306,14 +306,14 @@ void echo_can_free(echo_can_state_t *ec)
 EXPORT_SYMBOL_GPL(echo_can_free);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode)
+void echo_can_adaption_mode(struct echo_can_state *ec, int adaption_mode)
 {
     ec->adaption_mode = adaption_mode;
 }
 EXPORT_SYMBOL_GPL(echo_can_adaption_mode);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_flush(echo_can_state_t *ec)
+void echo_can_flush(struct echo_can_state *ec)
 {
     int i;
 
@@ -340,7 +340,7 @@ void echo_can_flush(echo_can_state_t *ec)
 EXPORT_SYMBOL_GPL(echo_can_flush);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_snapshot(echo_can_state_t *ec) {
+void echo_can_snapshot(struct echo_can_state *ec) {
     memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps*sizeof(int16_t));
 }
 EXPORT_SYMBOL_GPL(echo_can_snapshot);
@@ -348,7 +348,7 @@ EXPORT_SYMBOL_GPL(echo_can_snapshot);
 
 /* Dual Path Echo Canceller ------------------------------------------------*/
 
-int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx)
+int16_t echo_can_update(struct echo_can_state *ec, int16_t tx, int16_t rx)
 {
     int32_t echo_value;
     int clean_bg;
@@ -613,7 +613,7 @@ EXPORT_SYMBOL_GPL(echo_can_update);
    precision, which noise shapes things, giving very clean DC removal.
 */
 
-int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx) {
+int16_t echo_can_hpf_tx(struct echo_can_state *ec, int16_t tx) {
     int tmp, tmp1;
 
     if (ec->adaption_mode & ECHO_CAN_USE_TX_HPF) {
diff --git a/drivers/staging/echo/oslec.h b/drivers/staging/echo/oslec.h
index 913fc51d857..8227013cf49 100644
--- a/drivers/staging/echo/oslec.h
+++ b/drivers/staging/echo/oslec.h
@@ -42,31 +42,31 @@
     G.168 echo canceller descriptor. This defines the working state for a line
     echo canceller.
 */
-typedef struct echo_can_state echo_can_state_t;
+struct echo_can_state;
 
 /*! Create a voice echo canceller context.
     \param len The length of the canceller, in samples.
     \return The new canceller context, or NULL if the canceller could not be created.
 */
-echo_can_state_t *echo_can_create(int len, int adaption_mode);
+struct echo_can_state *echo_can_create(int len, int adaption_mode);
 
 /*! Free a voice echo canceller context.
     \param ec The echo canceller context.
 */
-void echo_can_free(echo_can_state_t *ec);
+void echo_can_free(struct echo_can_state *ec);
 
 /*! Flush (reinitialise) a voice echo canceller context.
     \param ec The echo canceller context.
 */
-void echo_can_flush(echo_can_state_t *ec);
+void echo_can_flush(struct echo_can_state *ec);
 
 /*! Set the adaption mode of a voice echo canceller context.
     \param ec The echo canceller context.
     \param adapt The mode.
 */
-void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode);
+void echo_can_adaption_mode(struct echo_can_state *ec, int adaption_mode);
 
-void echo_can_snapshot(echo_can_state_t *ec);
+void echo_can_snapshot(struct echo_can_state *ec);
 
 /*! Process a sample through a voice echo canceller.
     \param ec The echo canceller context.
@@ -74,13 +74,13 @@ void echo_can_snapshot(echo_can_state_t *ec);
     \param rx The received audio sample.
     \return The clean (echo cancelled) received sample.
 */
-int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx);
+int16_t echo_can_update(struct echo_can_state *ec, int16_t tx, int16_t rx);
 
 /*! Process to high pass filter the tx signal.
     \param ec The echo canceller context.
     \param tx The transmitted auio sample.
     \return The HP filtered transmit sample, send this to your D/A.
 */
-int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx);
+int16_t echo_can_hpf_tx(struct echo_can_state *ec, int16_t tx);
 
 #endif	/* __OSLEC_H */
-- 
GitLab


From 9d8f2d5dfbcc9d2229f5e93653988d98360e248c Mon Sep 17 00:00:00 2001
From: Tzafrir Cohen <tzafrir@cohens.org.il>
Date: Sun, 12 Oct 2008 07:17:26 +0200
Subject: [PATCH 1850/2224] Staging: echo: Changed preffix from echo_can_ to
 oslec_

Signed-off-by: Tzafrir Cohen <tzafrir@cohens.org.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/echo.c  | 36 ++++++++++++++++++------------------
 drivers/staging/echo/echo.h  |  2 +-
 drivers/staging/echo/oslec.h | 16 ++++++++--------
 3 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index a408b62fae4..13792ef286f 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -128,7 +128,7 @@
 
 
 #ifdef __BLACKFIN_ASM__
-static void __inline__ lms_adapt_bg(struct echo_can_state *ec, int clean, int shift)
+static void __inline__ lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
 {
     int i, j;
     int offset1;
@@ -200,7 +200,7 @@ static void __inline__ lms_adapt_bg(struct echo_can_state *ec, int clean, int sh
 */
 
 #else
-static __inline__ void lms_adapt_bg(struct echo_can_state *ec, int clean, int shift)
+static __inline__ void lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
 {
     int i;
 
@@ -234,9 +234,9 @@ static __inline__ void lms_adapt_bg(struct echo_can_state *ec, int clean, int sh
 
 /*- End of function --------------------------------------------------------*/
 
-struct echo_can_state *echo_can_create(int len, int adaption_mode)
+struct oslec_state *oslec_create(int len, int adaption_mode)
 {
-    struct echo_can_state *ec;
+    struct oslec_state *ec;
     int i;
     int j;
 
@@ -273,7 +273,7 @@ struct echo_can_state *echo_can_create(int len, int adaption_mode)
     }
 
     ec->cng_level = 1000;
-    echo_can_adaption_mode(ec, adaption_mode);
+    oslec_adaption_mode(ec, adaption_mode);
 
     ec->snapshot = (int16_t*)malloc(ec->taps*sizeof(int16_t));
     memset(ec->snapshot, 0, sizeof(int16_t)*ec->taps);
@@ -289,10 +289,10 @@ struct echo_can_state *echo_can_create(int len, int adaption_mode)
 
     return  ec;
 }
-EXPORT_SYMBOL_GPL(echo_can_create);
+EXPORT_SYMBOL_GPL(oslec_create);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_free(struct echo_can_state *ec)
+void oslec_free(struct oslec_state *ec)
 {
 	int i;
 
@@ -303,17 +303,17 @@ void echo_can_free(struct echo_can_state *ec)
 	kfree(ec->snapshot);
 	kfree(ec);
 }
-EXPORT_SYMBOL_GPL(echo_can_free);
+EXPORT_SYMBOL_GPL(oslec_free);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_adaption_mode(struct echo_can_state *ec, int adaption_mode)
+void oslec_adaption_mode(struct oslec_state *ec, int adaption_mode)
 {
     ec->adaption_mode = adaption_mode;
 }
-EXPORT_SYMBOL_GPL(echo_can_adaption_mode);
+EXPORT_SYMBOL_GPL(oslec_adaption_mode);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_flush(struct echo_can_state *ec)
+void oslec_flush(struct oslec_state *ec)
 {
     int i;
 
@@ -337,18 +337,18 @@ void echo_can_flush(struct echo_can_state *ec)
     ec->curr_pos = ec->taps - 1;
     ec->Pstates = 0;
 }
-EXPORT_SYMBOL_GPL(echo_can_flush);
+EXPORT_SYMBOL_GPL(oslec_flush);
 /*- End of function --------------------------------------------------------*/
 
-void echo_can_snapshot(struct echo_can_state *ec) {
+void oslec_snapshot(struct oslec_state *ec) {
     memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps*sizeof(int16_t));
 }
-EXPORT_SYMBOL_GPL(echo_can_snapshot);
+EXPORT_SYMBOL_GPL(oslec_snapshot);
 /*- End of function --------------------------------------------------------*/
 
 /* Dual Path Echo Canceller ------------------------------------------------*/
 
-int16_t echo_can_update(struct echo_can_state *ec, int16_t tx, int16_t rx)
+int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
 {
     int32_t echo_value;
     int clean_bg;
@@ -589,7 +589,7 @@ int16_t echo_can_update(struct echo_can_state *ec, int16_t tx, int16_t rx)
 
     return (int16_t) ec->clean_nlp << 1;
 }
-EXPORT_SYMBOL_GPL(echo_can_update);
+EXPORT_SYMBOL_GPL(oslec_update);
 /*- End of function --------------------------------------------------------*/
 
 /* This function is seperated from the echo canceller is it is usually called
@@ -613,7 +613,7 @@ EXPORT_SYMBOL_GPL(echo_can_update);
    precision, which noise shapes things, giving very clean DC removal.
 */
 
-int16_t echo_can_hpf_tx(struct echo_can_state *ec, int16_t tx) {
+int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx) {
     int tmp, tmp1;
 
     if (ec->adaption_mode & ECHO_CAN_USE_TX_HPF) {
@@ -635,7 +635,7 @@ int16_t echo_can_hpf_tx(struct echo_can_state *ec, int16_t tx) {
 
     return tx;
 }
-EXPORT_SYMBOL_GPL(echo_can_hpf_tx);
+EXPORT_SYMBOL_GPL(oslec_hpf_tx);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Rowe");
diff --git a/drivers/staging/echo/echo.h b/drivers/staging/echo/echo.h
index 5c8b5153b19..2a1d1d8a929 100644
--- a/drivers/staging/echo/echo.h
+++ b/drivers/staging/echo/echo.h
@@ -124,7 +124,7 @@ a minor burden.
     G.168 echo canceller descriptor. This defines the working state for a line
     echo canceller.
 */
-struct echo_can_state
+struct oslec_state
 {
 	int16_t tx,rx;
 	int16_t clean;
diff --git a/drivers/staging/echo/oslec.h b/drivers/staging/echo/oslec.h
index 8227013cf49..e41de61622d 100644
--- a/drivers/staging/echo/oslec.h
+++ b/drivers/staging/echo/oslec.h
@@ -42,31 +42,31 @@
     G.168 echo canceller descriptor. This defines the working state for a line
     echo canceller.
 */
-struct echo_can_state;
+struct oslec_state;
 
 /*! Create a voice echo canceller context.
     \param len The length of the canceller, in samples.
     \return The new canceller context, or NULL if the canceller could not be created.
 */
-struct echo_can_state *echo_can_create(int len, int adaption_mode);
+struct oslec_state *oslec_create(int len, int adaption_mode);
 
 /*! Free a voice echo canceller context.
     \param ec The echo canceller context.
 */
-void echo_can_free(struct echo_can_state *ec);
+void oslec_free(struct oslec_state *ec);
 
 /*! Flush (reinitialise) a voice echo canceller context.
     \param ec The echo canceller context.
 */
-void echo_can_flush(struct echo_can_state *ec);
+void oslec_flush(struct oslec_state *ec);
 
 /*! Set the adaption mode of a voice echo canceller context.
     \param ec The echo canceller context.
     \param adapt The mode.
 */
-void echo_can_adaption_mode(struct echo_can_state *ec, int adaption_mode);
+void oslec_adaption_mode(struct oslec_state *ec, int adaption_mode);
 
-void echo_can_snapshot(struct echo_can_state *ec);
+void oslec_snapshot(struct oslec_state *ec);
 
 /*! Process a sample through a voice echo canceller.
     \param ec The echo canceller context.
@@ -74,13 +74,13 @@ void echo_can_snapshot(struct echo_can_state *ec);
     \param rx The received audio sample.
     \return The clean (echo cancelled) received sample.
 */
-int16_t echo_can_update(struct echo_can_state *ec, int16_t tx, int16_t rx);
+int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx);
 
 /*! Process to high pass filter the tx signal.
     \param ec The echo canceller context.
     \param tx The transmitted auio sample.
     \return The HP filtered transmit sample, send this to your D/A.
 */
-int16_t echo_can_hpf_tx(struct echo_can_state *ec, int16_t tx);
+int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx);
 
 #endif	/* __OSLEC_H */
-- 
GitLab


From f55ccbf6bc5e5e857b15f51d481aa7b1cd993ae0 Mon Sep 17 00:00:00 2001
From: Tzafrir Cohen <tzafrir@cohens.org.il>
Date: Sun, 12 Oct 2008 08:13:21 +0200
Subject: [PATCH 1851/2224] Staging: echo: Replace __BLACKFIN__ASM__ with
 __bfin__

Signed-off-by: Tzafrir Cohen <tzafrir@cohens.org.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/echo.c | 2 +-
 drivers/staging/echo/fir.h  | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index 13792ef286f..140f3f0e060 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -127,7 +127,7 @@
 /* adapting coeffs using the traditional stochastic descent (N)LMS algorithm */
 
 
-#ifdef __BLACKFIN_ASM__
+#ifdef __bfin__
 static void __inline__ lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
 {
     int i, j;
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index e1bfc499488..277d20e43f1 100644
--- a/drivers/staging/echo/fir.h
+++ b/drivers/staging/echo/fir.h
@@ -116,7 +116,7 @@ static __inline__ const int16_t *fir16_create(fir16_state_t *fir,
 	fir->taps = taps;
 	fir->curr_pos = taps - 1;
 	fir->coeffs = coeffs;
-#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__BLACKFIN_ASM__)
+#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
 	if ((fir->history = malloc(2*taps*sizeof(int16_t))))
 		memset(fir->history, 0, 2*taps*sizeof(int16_t));
 #else
@@ -129,7 +129,7 @@ static __inline__ const int16_t *fir16_create(fir16_state_t *fir,
 
 static __inline__ void fir16_flush(fir16_state_t *fir)
 {
-#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__BLACKFIN_ASM__)
+#if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
     memset(fir->history, 0, 2*fir->taps*sizeof(int16_t));
 #else
     memset(fir->history, 0, fir->taps*sizeof(int16_t));
@@ -143,7 +143,7 @@ static __inline__ void fir16_free(fir16_state_t *fir)
 }
 /*- End of function --------------------------------------------------------*/
 
-#ifdef __BLACKFIN_ASM__
+#ifdef __bfin__
 static inline int32_t dot_asm(short *x, short *y, int len)
 {
    int dot;
@@ -242,7 +242,7 @@ static __inline__ int16_t fir16(fir16_state_t *fir, int16_t sample)
     psrldq_i2r(4, xmm0);
     paddd_r2r(xmm0, xmm4);
     movd_r2m(xmm4, y);
-#elif defined(__BLACKFIN_ASM__)
+#elif defined(__bfin__)
     fir->history[fir->curr_pos] = sample;
     fir->history[fir->curr_pos + fir->taps] = sample;
     y = dot_asm((int16_t*)fir->coeffs, &fir->history[fir->curr_pos], fir->taps);
-- 
GitLab


From db2af149bd0c798ce599365ee4320dd30dda852c Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Fri, 17 Oct 2008 20:55:03 +0300
Subject: [PATCH 1852/2224] Staging: echo: fix kmalloc()/kfree() uses

This patch removes the malloc()/free() macro wrappers and converts
call-sites to use kcalloc() and kzalloc() where appropriate. I also
fixed up out-of-memory error handling in couple of places where it was
broken.

Cc: David Rowe <david@rowetel.com>
Cc: Steve Underwood <steveu@coppice.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/echo.c | 36 +++++++++++++++++-------------------
 drivers/staging/echo/fir.h  | 14 +++++---------
 2 files changed, 22 insertions(+), 28 deletions(-)

diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index 140f3f0e060..a2d307865ea 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -109,8 +109,6 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
-#define malloc(a) kmalloc((a), GFP_KERNEL)
-#define free(a) kfree(a)
 
 #include "bit_operations.h"
 #include "echo.h"
@@ -238,27 +236,19 @@ struct oslec_state *oslec_create(int len, int adaption_mode)
 {
     struct oslec_state *ec;
     int i;
-    int j;
 
-    ec = kmalloc(sizeof(*ec), GFP_KERNEL);
-    if (ec == NULL)
-        return  NULL;
-    memset(ec, 0, sizeof(*ec));
+    ec = kzalloc(sizeof(*ec), GFP_KERNEL);
+    if (!ec)
+        return NULL;
 
     ec->taps = len;
     ec->log2taps = top_bit(len);
     ec->curr_pos = ec->taps - 1;
 
-    for (i = 0;  i < 2;  i++)
-    {
-        if ((ec->fir_taps16[i] = (int16_t *) malloc((ec->taps)*sizeof(int16_t))) == NULL)
-        {
-            for (j = 0;  j < i;  j++)
-                kfree(ec->fir_taps16[j]);
-            kfree(ec);
-            return  NULL;
-        }
-        memset(ec->fir_taps16[i], 0, (ec->taps)*sizeof(int16_t));
+    for (i = 0; i < 2; i++) {
+        ec->fir_taps16[i] = kcalloc(ec->taps, sizeof(int16_t), GFP_KERNEL);
+        if (!ec->fir_taps16[i])
+	    goto error_oom;
     }
 
     fir16_create(&ec->fir_state,
@@ -275,8 +265,9 @@ struct oslec_state *oslec_create(int len, int adaption_mode)
     ec->cng_level = 1000;
     oslec_adaption_mode(ec, adaption_mode);
 
-    ec->snapshot = (int16_t*)malloc(ec->taps*sizeof(int16_t));
-    memset(ec->snapshot, 0, sizeof(int16_t)*ec->taps);
+    ec->snapshot = kcalloc(ec->taps, sizeof(int16_t), GFP_KERNEL);
+    if (!ec->snapshot)
+        goto error_oom;
 
     ec->cond_met = 0;
     ec->Pstates = 0;
@@ -288,6 +279,13 @@ struct oslec_state *oslec_create(int len, int adaption_mode)
     ec->Lbgn_upper_acc = ec->Lbgn_upper << 13;
 
     return  ec;
+
+error_oom:
+    for (i = 0; i < 2; i++)
+        kfree(ec->fir_taps16[i]);
+
+    kfree(ec);
+    return NULL;
 }
 EXPORT_SYMBOL_GPL(oslec_create);
 /*- End of function --------------------------------------------------------*/
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index 277d20e43f1..c29e1e245c6 100644
--- a/drivers/staging/echo/fir.h
+++ b/drivers/staging/echo/fir.h
@@ -117,11 +117,9 @@ static __inline__ const int16_t *fir16_create(fir16_state_t *fir,
 	fir->curr_pos = taps - 1;
 	fir->coeffs = coeffs;
 #if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
-	if ((fir->history = malloc(2*taps*sizeof(int16_t))))
-		memset(fir->history, 0, 2*taps*sizeof(int16_t));
+	fir->history = kcalloc(2*taps, sizeof(int16_t), GFP_KERNEL);
 #else
-	if ((fir->history = (int16_t *) malloc(taps*sizeof(int16_t))))
-		memset(fir->history, 0, taps*sizeof(int16_t));
+	fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
 #endif
 	return fir->history;
 }
@@ -139,7 +137,7 @@ static __inline__ void fir16_flush(fir16_state_t *fir)
 
 static __inline__ void fir16_free(fir16_state_t *fir)
 {
-	free(fir->history);
+	kfree(fir->history);
 }
 /*- End of function --------------------------------------------------------*/
 
@@ -275,9 +273,7 @@ static __inline__ const int16_t *fir32_create(fir32_state_t *fir,
     fir->taps = taps;
     fir->curr_pos = taps - 1;
     fir->coeffs = coeffs;
-    fir->history = (int16_t *) malloc(taps*sizeof(int16_t));
-    if (fir->history)
-    	memset(fir->history, '\0', taps*sizeof(int16_t));
+    fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
     return fir->history;
 }
 /*- End of function --------------------------------------------------------*/
@@ -290,7 +286,7 @@ static __inline__ void fir32_flush(fir32_state_t *fir)
 
 static __inline__ void fir32_free(fir32_state_t *fir)
 {
-    free(fir->history);
+    kfree(fir->history);
 }
 /*- End of function --------------------------------------------------------*/
 
-- 
GitLab


From f07639adebd573709ea0d6b67bec9b620fe3083e Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Fri, 17 Oct 2008 20:55:32 +0300
Subject: [PATCH 1853/2224] Staging: echo: remove dead code

This patch removes dead code that is wrapped in #ifndef __KERNEL__.

Cc: David Rowe <david@rowetel.com>
Cc: Steve Underwood <steveu@coppice.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/fir.h | 45 --------------------------------------
 1 file changed, 45 deletions(-)

diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index c29e1e245c6..19c20cde186 100644
--- a/drivers/staging/echo/fir.h
+++ b/drivers/staging/echo/fir.h
@@ -312,51 +312,6 @@ static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample)
 }
 /*- End of function --------------------------------------------------------*/
 
-#ifndef __KERNEL__
-static __inline__ const float *fir_float_create(fir_float_state_t *fir,
-                                                const float *coeffs,
-    	    	    	                        int taps)
-{
-    fir->taps = taps;
-    fir->curr_pos = taps - 1;
-    fir->coeffs = coeffs;
-    fir->history = (float *) malloc(taps*sizeof(float));
-    if (fir->history)
-        memset(fir->history, '\0', taps*sizeof(float));
-    return fir->history;
-}
-/*- End of function --------------------------------------------------------*/
-
-static __inline__ void fir_float_free(fir_float_state_t *fir)
-{
-    free(fir->history);
-}
-/*- End of function --------------------------------------------------------*/
-
-static __inline__ int16_t fir_float(fir_float_state_t *fir, int16_t sample)
-{
-    int i;
-    float y;
-    int offset1;
-    int offset2;
-
-    fir->history[fir->curr_pos] = sample;
-
-    offset2 = fir->curr_pos;
-    offset1 = fir->taps - offset2;
-    y = 0;
-    for (i = fir->taps - 1;  i >= offset1;  i--)
-        y += fir->coeffs[i]*fir->history[i - offset1];
-    for (  ;  i >= 0;  i--)
-        y += fir->coeffs[i]*fir->history[i + offset2];
-    if (fir->curr_pos <= 0)
-    	fir->curr_pos = fir->taps;
-    fir->curr_pos--;
-    return  (int16_t) y;
-}
-/*- End of function --------------------------------------------------------*/
-#endif
-
 #ifdef __cplusplus
 }
 #endif
-- 
GitLab


From 6675fe3f92ad3b433e55744ef96d775b4875997e Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Fri, 17 Oct 2008 20:56:00 +0300
Subject: [PATCH 1854/2224] Staging: echo: remove __cplusplus macro magic

The kernel is written in C, so remove the __cplusplus macro magic from the
driver.

Cc: David Rowe <david@rowetel.com>
Cc: Steve Underwood <steveu@coppice.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/bit_operations.h | 8 --------
 drivers/staging/echo/fir.h            | 8 --------
 2 files changed, 16 deletions(-)

diff --git a/drivers/staging/echo/bit_operations.h b/drivers/staging/echo/bit_operations.h
index b32f4bf9939..04b55d2aba5 100644
--- a/drivers/staging/echo/bit_operations.h
+++ b/drivers/staging/echo/bit_operations.h
@@ -30,10 +30,6 @@
 #if !defined(_BIT_OPERATIONS_H_)
 #define _BIT_OPERATIONS_H_
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #if defined(__i386__)  ||  defined(__x86_64__)
 /*! \brief Find the bit position of the highest set bit in a word
     \param bits The word to be searched
@@ -245,9 +241,5 @@ static __inline__ int parity32(uint32_t x)
 }
 /*- End of function --------------------------------------------------------*/
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif
 /*- End of file ------------------------------------------------------------*/
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index 19c20cde186..d1df33cf2aa 100644
--- a/drivers/staging/echo/fir.h
+++ b/drivers/staging/echo/fir.h
@@ -105,10 +105,6 @@ typedef struct
 	float *history;
 } fir_float_state_t;
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 static __inline__ const int16_t *fir16_create(fir16_state_t *fir,
                                               const int16_t *coeffs,
                                               int taps)
@@ -312,9 +308,5 @@ static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample)
 }
 /*- End of function --------------------------------------------------------*/
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif
 /*- End of file ------------------------------------------------------------*/
-- 
GitLab


From 1781ad2f6338d1c0636a47faf34958da7861be1c Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Fri, 17 Oct 2008 20:57:08 +0300
Subject: [PATCH 1855/2224] Staging: echo: remove annoying "end of function"
 markers

This patch removes the very noisy "end of function" markers that are
very annoying when reading the driver code.

Cc: David Rowe <david@rowetel.com>
Cc: Steve Underwood <steveu@coppice.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/bit_operations.h | 10 ----------
 drivers/staging/echo/echo.c           |  7 -------
 drivers/staging/echo/fir.h            |  9 ---------
 3 files changed, 26 deletions(-)

diff --git a/drivers/staging/echo/bit_operations.h b/drivers/staging/echo/bit_operations.h
index 04b55d2aba5..abcd7a2168a 100644
--- a/drivers/staging/echo/bit_operations.h
+++ b/drivers/staging/echo/bit_operations.h
@@ -45,7 +45,6 @@ static __inline__ int top_bit(unsigned int bits)
              : [bits] "rm" (bits));
     return res;
 }
-/*- End of function --------------------------------------------------------*/
 
 /*! \brief Find the bit position of the lowest set bit in a word
     \param bits The word to be searched
@@ -61,7 +60,6 @@ static __inline__ int bottom_bit(unsigned int bits)
              : [bits] "rm" (bits));
     return res;
 }
-/*- End of function --------------------------------------------------------*/
 #else
 static __inline__ int top_bit(unsigned int bits)
 {
@@ -97,7 +95,6 @@ static __inline__ int top_bit(unsigned int bits)
     }
     return i;
 }
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ int bottom_bit(unsigned int bits)
 {
@@ -133,7 +130,6 @@ static __inline__ int bottom_bit(unsigned int bits)
     }
     return i;
 }
-/*- End of function --------------------------------------------------------*/
 #endif
 
 /*! \brief Bit reverse a byte.
@@ -151,7 +147,6 @@ static __inline__ uint8_t bit_reverse8(uint8_t x)
     return ((x & 0xAA) >> 1) | ((x & 0x55) << 1);
 #endif
 }
-/*- End of function --------------------------------------------------------*/
 
 /*! \brief Bit reverse a 16 bit word.
     \param data The word to be reversed.
@@ -191,7 +186,6 @@ static __inline__ uint32_t least_significant_one32(uint32_t x)
 {
     return (x & (-(int32_t) x));
 }
-/*- End of function --------------------------------------------------------*/
 
 /*! \brief Find the most significant one in a word, and return a word
            with just that bit set.
@@ -206,7 +200,6 @@ static __inline__ uint32_t most_significant_one32(uint32_t x)
     return (x ^ (x >> 1));
 #endif
 }
-/*- End of function --------------------------------------------------------*/
 
 /*! \brief Find the parity of a byte.
     \param x The byte to be checked.
@@ -216,7 +209,6 @@ static __inline__ int parity8(uint8_t x)
     x = (x ^ (x >> 4)) & 0x0F;
     return (0x6996 >> x) & 1;
 }
-/*- End of function --------------------------------------------------------*/
 
 /*! \brief Find the parity of a 16 bit word.
     \param x The word to be checked.
@@ -227,7 +219,6 @@ static __inline__ int parity16(uint16_t x)
     x = (x ^ (x >> 4)) & 0x0F;
     return (0x6996 >> x) & 1;
 }
-/*- End of function --------------------------------------------------------*/
 
 /*! \brief Find the parity of a 32 bit word.
     \param x The word to be checked.
@@ -239,7 +230,6 @@ static __inline__ int parity32(uint32_t x)
     x = (x ^ (x >> 4)) & 0x0F;
     return (0x6996 >> x) & 1;
 }
-/*- End of function --------------------------------------------------------*/
 
 #endif
 /*- End of file ------------------------------------------------------------*/
diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index a2d307865ea..ad18a959393 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -230,7 +230,6 @@ static __inline__ void lms_adapt_bg(struct oslec_state *ec, int clean, int shift
 }
 #endif
 
-/*- End of function --------------------------------------------------------*/
 
 struct oslec_state *oslec_create(int len, int adaption_mode)
 {
@@ -288,7 +287,6 @@ error_oom:
     return NULL;
 }
 EXPORT_SYMBOL_GPL(oslec_create);
-/*- End of function --------------------------------------------------------*/
 
 void oslec_free(struct oslec_state *ec)
 {
@@ -302,14 +300,12 @@ void oslec_free(struct oslec_state *ec)
 	kfree(ec);
 }
 EXPORT_SYMBOL_GPL(oslec_free);
-/*- End of function --------------------------------------------------------*/
 
 void oslec_adaption_mode(struct oslec_state *ec, int adaption_mode)
 {
     ec->adaption_mode = adaption_mode;
 }
 EXPORT_SYMBOL_GPL(oslec_adaption_mode);
-/*- End of function --------------------------------------------------------*/
 
 void oslec_flush(struct oslec_state *ec)
 {
@@ -336,13 +332,11 @@ void oslec_flush(struct oslec_state *ec)
     ec->Pstates = 0;
 }
 EXPORT_SYMBOL_GPL(oslec_flush);
-/*- End of function --------------------------------------------------------*/
 
 void oslec_snapshot(struct oslec_state *ec) {
     memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps*sizeof(int16_t));
 }
 EXPORT_SYMBOL_GPL(oslec_snapshot);
-/*- End of function --------------------------------------------------------*/
 
 /* Dual Path Echo Canceller ------------------------------------------------*/
 
@@ -588,7 +582,6 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
     return (int16_t) ec->clean_nlp << 1;
 }
 EXPORT_SYMBOL_GPL(oslec_update);
-/*- End of function --------------------------------------------------------*/
 
 /* This function is seperated from the echo canceller is it is usually called
    as part of the tx process.  See rx HP (DC blocking) filter above, it's
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index d1df33cf2aa..e760471e481 100644
--- a/drivers/staging/echo/fir.h
+++ b/drivers/staging/echo/fir.h
@@ -119,7 +119,6 @@ static __inline__ const int16_t *fir16_create(fir16_state_t *fir,
 #endif
 	return fir->history;
 }
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ void fir16_flush(fir16_state_t *fir)
 {
@@ -129,13 +128,11 @@ static __inline__ void fir16_flush(fir16_state_t *fir)
     memset(fir->history, 0, fir->taps*sizeof(int16_t));
 #endif
 }
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ void fir16_free(fir16_state_t *fir)
 {
 	kfree(fir->history);
 }
-/*- End of function --------------------------------------------------------*/
 
 #ifdef __bfin__
 static inline int32_t dot_asm(short *x, short *y, int len)
@@ -165,7 +162,6 @@ static inline int32_t dot_asm(short *x, short *y, int len)
    return dot;
 }
 #endif
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ int16_t fir16(fir16_state_t *fir, int16_t sample)
 {
@@ -260,7 +256,6 @@ static __inline__ int16_t fir16(fir16_state_t *fir, int16_t sample)
     fir->curr_pos--;
     return (int16_t) (y >> 15);
 }
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ const int16_t *fir32_create(fir32_state_t *fir,
                                               const int32_t *coeffs,
@@ -272,19 +267,16 @@ static __inline__ const int16_t *fir32_create(fir32_state_t *fir,
     fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
     return fir->history;
 }
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ void fir32_flush(fir32_state_t *fir)
 {
     memset(fir->history, 0, fir->taps*sizeof(int16_t));
 }
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ void fir32_free(fir32_state_t *fir)
 {
     kfree(fir->history);
 }
-/*- End of function --------------------------------------------------------*/
 
 static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample)
 {
@@ -306,7 +298,6 @@ static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample)
     fir->curr_pos--;
     return (int16_t) (y >> 15);
 }
-/*- End of function --------------------------------------------------------*/
 
 #endif
 /*- End of file ------------------------------------------------------------*/
-- 
GitLab


From 0c74433e319dfd67eadc645bb90192d618024a87 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Mon, 20 Oct 2008 14:32:33 -0700
Subject: [PATCH 1856/2224] Staging: wlan-ng: fix build error if wireless
 networking is not enabled

Thanks to Ingo for pointing this out.

Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/Kconfig b/drivers/staging/wlan-ng/Kconfig
index 10b1f0f634d..2425d860dca 100644
--- a/drivers/staging/wlan-ng/Kconfig
+++ b/drivers/staging/wlan-ng/Kconfig
@@ -1,6 +1,6 @@
 config PRISM2_USB
 	tristate "Prism2.5 USB driver"
-	depends on USB
+	depends on WLAN_80211 && USB
 	default n
 	---help---
 	  This is the wlan-ng prism 2.5 USB driver for a wide range of
-- 
GitLab


From a14edddac99eff625cfcb44829ce206ec04be71a Mon Sep 17 00:00:00 2001
From: Vijay Kumar <vijaykumar@bravegnu.org>
Date: Sun, 19 Oct 2008 08:58:46 +0530
Subject: [PATCH 1857/2224] Staging: add poch driver

This is the first cut at a driver for the Redrapids Pocket Change
CardBus devices.

Receiving data seems to work properly, but overflows happen on transmit.
Still needs more hardware debugging to work properly.

(cleaned up to use proper driver core api functions by Greg)

From: Vijay Kumar <vijaykumar@bravegnu.org>
Cc: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Cc: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Ken Sienski <sienski@redrapids.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/Kconfig       |    2 +
 drivers/staging/Makefile      |    1 +
 drivers/staging/poch/Kconfig  |    6 +
 drivers/staging/poch/Makefile |    1 +
 drivers/staging/poch/README   |    7 +
 drivers/staging/poch/poch.c   | 1425 +++++++++++++++++++++++++++++++++
 drivers/staging/poch/poch.h   |   29 +
 7 files changed, 1471 insertions(+)
 create mode 100644 drivers/staging/poch/Kconfig
 create mode 100644 drivers/staging/poch/Makefile
 create mode 100644 drivers/staging/poch/README
 create mode 100644 drivers/staging/poch/poch.c
 create mode 100644 drivers/staging/poch/poch.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 65a86b70457..c4eff44c9f2 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -45,4 +45,6 @@ source "drivers/staging/at76_usb/Kconfig"
 
 source "drivers/staging/pcc-acpi/Kconfig"
 
+source "drivers/staging/poch/Kconfig"
+
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index e5c4a386c42..7cb8701d96d 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -14,3 +14,4 @@ obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
 obj-$(CONFIG_ECHO)		+= echo/
 obj-$(CONFIG_USB_ATMEL)		+= at76_usb/
 obj-$(CONFIG_PCC_ACPI)		+= pcc-acpi/
+obj-$(CONFIG_POCH)		+= poch/
diff --git a/drivers/staging/poch/Kconfig b/drivers/staging/poch/Kconfig
new file mode 100644
index 00000000000..b3b33b984a5
--- /dev/null
+++ b/drivers/staging/poch/Kconfig
@@ -0,0 +1,6 @@
+config POCH
+	tristate "Redrapids Pocket Change CardBus support"
+	depends on PCI && UIO
+	default N
+	---help---
+	  Enable support for Redrapids Pocket Change CardBus devices.
diff --git a/drivers/staging/poch/Makefile b/drivers/staging/poch/Makefile
new file mode 100644
index 00000000000..d2b96805cb9
--- /dev/null
+++ b/drivers/staging/poch/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_POCH)		+= poch.o
diff --git a/drivers/staging/poch/README b/drivers/staging/poch/README
new file mode 100644
index 00000000000..f65e979743b
--- /dev/null
+++ b/drivers/staging/poch/README
@@ -0,0 +1,7 @@
+TODO:
+	- fix transmit overflows
+	- audit userspace interfaces
+	- get reserved major/minor if needed
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com> and
+Vijay Kumar <vijaykumar@bravegnu.org> and Jaya Kumar <jayakumar.lkml@gmail.com>
diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c
new file mode 100644
index 00000000000..0e113f9a158
--- /dev/null
+++ b/drivers/staging/poch/poch.c
@@ -0,0 +1,1425 @@
+/*
+ * User-space DMA and UIO based Redrapids Pocket Change CardBus driver
+ *
+ * Copyright 2008 Vijay Kumar <vijaykumar@bravegnu.org>
+ *
+ * Licensed under GPL version 2 only.
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/uio_driver.h>
+#include <linux/spinlock.h>
+#include <linux/cdev.h>
+#include <linux/delay.h>
+#include <linux/sysfs.h>
+#include <linux/poll.h>
+#include <linux/idr.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/ioctl.h>
+#include <linux/io.h>
+
+#include "poch.h"
+
+#include <asm/cacheflush.h>
+
+#ifndef PCI_VENDOR_ID_RRAPIDS
+#define PCI_VENDOR_ID_RRAPIDS 0x17D2
+#endif
+
+#ifndef PCI_DEVICE_ID_RRAPIDS_POCKET_CHANGE
+#define PCI_DEVICE_ID_RRAPIDS_POCKET_CHANGE 0x0351
+#endif
+
+#define POCH_NCHANNELS 2
+
+#define MAX_POCH_CARDS 8
+#define MAX_POCH_DEVICES (MAX_POCH_CARDS * POCH_NCHANNELS)
+
+#define DRV_NAME "poch"
+#define PFX      DRV_NAME ": "
+
+/*
+ * BAR0 Bridge Register Definitions
+ */
+
+#define BRIDGE_REV_REG			0x0
+#define BRIDGE_INT_MASK_REG		0x4
+#define BRIDGE_INT_STAT_REG		0x8
+
+#define BRIDGE_INT_ACTIVE		(0x1 << 31)
+#define BRIDGE_INT_FPGA		        (0x1 << 2)
+#define BRIDGE_INT_TEMP_FAIL		(0x1 << 1)
+#define	BRIDGE_INT_TEMP_WARN		(0x1 << 0)
+
+#define BRIDGE_FPGA_RESET_REG		0xC
+
+#define BRIDGE_CARD_POWER_REG		0x10
+#define BRIDGE_CARD_POWER_EN            (0x1 << 0)
+#define BRIDGE_CARD_POWER_PROG_DONE     (0x1 << 31)
+
+#define BRIDGE_JTAG_REG			0x14
+#define BRIDGE_DMA_GO_REG		0x18
+#define BRIDGE_STAT_0_REG		0x1C
+#define BRIDGE_STAT_1_REG		0x20
+#define BRIDGE_STAT_2_REG		0x24
+#define BRIDGE_STAT_3_REG		0x28
+#define BRIDGE_TEMP_STAT_REG		0x2C
+#define BRIDGE_TEMP_THRESH_REG		0x30
+#define BRIDGE_EEPROM_REVSEL_REG	0x34
+#define BRIDGE_CIS_STRUCT_REG		0x100
+#define BRIDGE_BOARDREV_REG		0x124
+
+/*
+ * BAR1 FPGA Register Definitions
+ */
+
+#define FPGA_IFACE_REV_REG		0x0
+#define FPGA_RX_BLOCK_SIZE_REG		0x8
+#define FPGA_TX_BLOCK_SIZE_REG		0xC
+#define FPGA_RX_BLOCK_COUNT_REG		0x10
+#define FPGA_TX_BLOCK_COUNT_REG		0x14
+#define FPGA_RX_CURR_DMA_BLOCK_REG	0x18
+#define FPGA_TX_CURR_DMA_BLOCK_REG	0x1C
+#define FPGA_RX_GROUP_COUNT_REG		0x20
+#define FPGA_TX_GROUP_COUNT_REG		0x24
+#define FPGA_RX_CURR_GROUP_REG		0x28
+#define FPGA_TX_CURR_GROUP_REG		0x2C
+#define FPGA_RX_CURR_PCI_REG		0x38
+#define FPGA_TX_CURR_PCI_REG		0x3C
+#define FPGA_RX_GROUP0_START_REG	0x40
+#define FPGA_TX_GROUP0_START_REG	0xC0
+#define FPGA_DMA_DESC_1_REG		0x140
+#define FPGA_DMA_DESC_2_REG		0x144
+#define FPGA_DMA_DESC_3_REG		0x148
+#define FPGA_DMA_DESC_4_REG		0x14C
+
+#define FPGA_DMA_INT_STAT_REG		0x150
+#define FPGA_DMA_INT_MASK_REG		0x154
+#define FPGA_DMA_INT_RX		(1 << 0)
+#define FPGA_DMA_INT_TX		(1 << 1)
+
+#define FPGA_RX_GROUPS_PER_INT_REG	0x158
+#define FPGA_TX_GROUPS_PER_INT_REG	0x15C
+#define FPGA_DMA_ADR_PAGE_REG		0x160
+#define FPGA_FPGA_REV_REG		0x200
+
+#define FPGA_ADC_CLOCK_CTL_REG		0x204
+#define FPGA_ADC_CLOCK_CTL_OSC_EN	(0x1 << 3)
+#define FPGA_ADC_CLOCK_LOCAL_CLK	(0x1 | FPGA_ADC_CLOCK_CTL_OSC_EN)
+#define FPGA_ADC_CLOCK_EXT_SAMP_CLK	0X0
+
+#define FPGA_ADC_DAC_EN_REG		0x208
+#define FPGA_ADC_DAC_EN_DAC_OFF         (0x1 << 1)
+#define FPGA_ADC_DAC_EN_ADC_OFF         (0x1 << 0)
+
+#define FPGA_INT_STAT_REG		0x20C
+#define FPGA_INT_MASK_REG		0x210
+#define FPGA_INT_PLL_UNLOCKED		(0x1 << 9)
+#define FPGA_INT_DMA_CORE		(0x1 << 8)
+#define FPGA_INT_TX_FF_EMPTY		(0x1 << 7)
+#define FPGA_INT_RX_FF_EMPTY		(0x1 << 6)
+#define FPGA_INT_TX_FF_OVRFLW		(0x1 << 3)
+#define FPGA_INT_RX_FF_OVRFLW		(0x1 << 2)
+#define FPGA_INT_TX_ACQ_DONE		(0x1 << 1)
+#define FPGA_INT_RX_ACQ_DONE		(0x1)
+
+#define FPGA_RX_ADC_CTL_REG		0x214
+#define FPGA_RX_ADC_CTL_CONT_CAP	(0x0)
+#define FPGA_RX_ADC_CTL_SNAP_CAP	(0x1)
+
+#define FPGA_RX_ARM_REG			0x21C
+
+#define FPGA_DOM_REG			0x224
+#define	FPGA_DOM_DCM_RESET		(0x1 << 5)
+#define FPGA_DOM_SOFT_RESET		(0x1 << 4)
+#define FPGA_DOM_DUAL_M_SG_DMA		(0x0)
+#define FPGA_DOM_TARGET_ACCESS		(0x1)
+
+#define FPGA_TX_CTL_REG			0x228
+#define FPGA_TX_CTL_FIFO_FLUSH          (0x1 << 9)
+#define FPGA_TX_CTL_OUTPUT_ZERO         (0x0 << 2)
+#define FPGA_TX_CTL_OUTPUT_CARDBUS      (0x1 << 2)
+#define FPGA_TX_CTL_OUTPUT_ADC          (0x2 << 2)
+#define FPGA_TX_CTL_OUTPUT_SNAPSHOT     (0x3 << 2)
+#define FPGA_TX_CTL_LOOPBACK            (0x1 << 0)
+
+#define FPGA_ENDIAN_MODE_REG		0x22C
+#define FPGA_RX_FIFO_COUNT_REG		0x28C
+#define FPGA_TX_ENABLE_REG		0x298
+#define FPGA_TX_TRIGGER_REG		0x29C
+#define FPGA_TX_DATAMEM_COUNT_REG	0x2A8
+#define FPGA_CAP_FIFO_REG		0x300
+#define FPGA_TX_SNAPSHOT_REG		0x8000
+
+/*
+ * Channel Index Definitions
+ */
+
+enum {
+	CHNO_RX_CHANNEL,
+	CHNO_TX_CHANNEL,
+};
+
+struct poch_dev;
+
+enum channel_dir {
+	CHANNEL_DIR_RX,
+	CHANNEL_DIR_TX,
+};
+
+struct poch_group_info {
+	struct page *pg;
+	dma_addr_t dma_addr;
+	unsigned long user_offset;
+};
+
+struct channel_info {
+	unsigned int chno;
+
+	atomic_t sys_block_size;
+	atomic_t sys_group_size;
+	atomic_t sys_group_count;
+
+	enum channel_dir dir;
+
+	unsigned long block_size;
+	unsigned long group_size;
+	unsigned long group_count;
+
+	/* Contains the DMA address and VM offset of each group. */
+	struct poch_group_info *groups;
+
+	/* Contains the header and circular buffer exported to userspace. */
+	spinlock_t group_offsets_lock;
+	struct poch_cbuf_header *header;
+	struct page *header_pg;
+	unsigned long header_size;
+
+	/* Last group indicated as 'complete' to user space. */
+	unsigned int transfer;
+
+	wait_queue_head_t wq;
+
+	union {
+		unsigned int data_available;
+		unsigned int space_available;
+	};
+
+	void __iomem *bridge_iomem;
+	void __iomem *fpga_iomem;
+	spinlock_t *iomem_lock;
+
+	atomic_t free;
+	atomic_t inited;
+
+	/* Error counters */
+	struct poch_counters counters;
+	spinlock_t counters_lock;
+
+	struct device *dev;
+};
+
+struct poch_dev {
+	struct uio_info uio;
+	struct pci_dev *pci_dev;
+	unsigned int nchannels;
+	struct channel_info channels[POCH_NCHANNELS];
+	struct cdev cdev;
+
+	/* Counts the no. of channels that have been opened. On first
+	 * open, the card is powered on. On last channel close, the
+	 * card is powered off.
+	 */
+	atomic_t usage;
+
+	void __iomem *bridge_iomem;
+	void __iomem *fpga_iomem;
+	spinlock_t iomem_lock;
+
+	struct device *dev;
+};
+
+static dev_t poch_first_dev;
+static struct class *poch_cls;
+static DEFINE_IDR(poch_ids);
+
+static ssize_t store_block_size(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
+{
+	struct channel_info *channel = dev_get_drvdata(dev);
+	unsigned long block_size;
+
+	sscanf(buf, "%lu", &block_size);
+	atomic_set(&channel->sys_block_size, block_size);
+
+	return count;
+}
+static DEVICE_ATTR(block_size, S_IWUSR|S_IWGRP, NULL, store_block_size);
+
+static ssize_t store_group_size(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
+{
+	struct channel_info *channel = dev_get_drvdata(dev);
+	unsigned long group_size;
+
+	sscanf(buf, "%lu", &group_size);
+	atomic_set(&channel->sys_group_size, group_size);
+
+	return count;
+}
+static DEVICE_ATTR(group_size, S_IWUSR|S_IWGRP, NULL, store_group_size);
+
+static ssize_t store_group_count(struct device *dev,
+				struct device_attribute *attr,
+				 const char *buf, size_t count)
+{
+	struct channel_info *channel = dev_get_drvdata(dev);
+	unsigned long group_count;
+
+	sscanf(buf, "%lu", &group_count);
+	atomic_set(&channel->sys_group_count, group_count);
+
+	return count;
+}
+static DEVICE_ATTR(group_count, S_IWUSR|S_IWGRP, NULL, store_group_count);
+
+static ssize_t show_direction(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct channel_info *channel = dev_get_drvdata(dev);
+	int len;
+
+	len = sprintf(buf, "%s\n", (channel->dir ? "tx" : "rx"));
+	return len;
+}
+static DEVICE_ATTR(dir, S_IRUSR|S_IRGRP, show_direction, NULL);
+
+static ssize_t show_mmap_size(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct channel_info *channel = dev_get_drvdata(dev);
+	int len;
+	unsigned long mmap_size;
+	unsigned long group_pages;
+	unsigned long header_pages;
+	unsigned long total_group_pages;
+
+	/* FIXME: We do not have to add 1, if group_size a multiple of
+	   PAGE_SIZE. */
+	group_pages = (channel->group_size / PAGE_SIZE) + 1;
+	header_pages = (channel->header_size / PAGE_SIZE) + 1;
+	total_group_pages = group_pages * channel->group_count;
+
+	mmap_size = (header_pages + total_group_pages) * PAGE_SIZE;
+	len = sprintf(buf, "%lu\n", mmap_size);
+	return len;
+}
+static DEVICE_ATTR(mmap_size, S_IRUSR|S_IRGRP, show_mmap_size, NULL);
+
+static struct device_attribute *poch_class_attrs[] = {
+	&dev_attr_block_size,
+	&dev_attr_group_size,
+	&dev_attr_group_count,
+	&dev_attr_dir,
+	&dev_attr_mmap_size,
+};
+
+static void poch_channel_free_groups(struct channel_info *channel)
+{
+	unsigned long i;
+
+	for (i = 0; i < channel->group_count; i++) {
+		struct poch_group_info *group;
+		unsigned int order;
+
+		group = &channel->groups[i];
+		order = get_order(channel->group_size);
+		if (group->pg)
+			__free_pages(group->pg, order);
+	}
+}
+
+static int poch_channel_alloc_groups(struct channel_info *channel)
+{
+	unsigned long i;
+	unsigned long group_pages;
+	unsigned long header_pages;
+
+	group_pages = (channel->group_size / PAGE_SIZE) + 1;
+	header_pages = (channel->header_size / PAGE_SIZE) + 1;
+
+	for (i = 0; i < channel->group_count; i++) {
+		struct poch_group_info *group;
+		unsigned int order;
+		gfp_t gfp_mask;
+
+		group = &channel->groups[i];
+		order = get_order(channel->group_size);
+
+		/*
+		 * __GFP_COMP is required here since we are going to
+		 * perform non-linear mapping to userspace. For more
+		 * information read the vm_insert_page() function
+		 * comments.
+		 */
+
+		gfp_mask = GFP_KERNEL | GFP_DMA32 | __GFP_ZERO;
+		group->pg = alloc_pages(gfp_mask, order);
+		if (!group->pg) {
+			poch_channel_free_groups(channel);
+			return -ENOMEM;
+		}
+
+		/* FIXME: This is the physical address not the bus
+		 * address!  This won't work in architectures that
+		 * have an IOMMU. Can we use pci_map_single() for
+		 * this?
+		 */
+		group->dma_addr = page_to_pfn(group->pg) * PAGE_SIZE;
+		group->user_offset =
+			(header_pages + (i * group_pages)) * PAGE_SIZE;
+
+		printk(KERN_INFO PFX "%ld: user_offset: 0x%lx dma: 0x%x\n", i,
+		       group->user_offset, group->dma_addr);
+	}
+
+	return 0;
+}
+
+static void channel_latch_attr(struct channel_info *channel)
+{
+	channel->group_count = atomic_read(&channel->sys_group_count);
+	channel->group_size = atomic_read(&channel->sys_group_size);
+	channel->block_size = atomic_read(&channel->sys_block_size);
+}
+
+/*
+ * Configure DMA group registers
+ */
+static void channel_dma_init(struct channel_info *channel)
+{
+	void __iomem *fpga = channel->fpga_iomem;
+	u32 group_regs_base;
+	u32 group_reg;
+	unsigned int page;
+	unsigned int group_in_page;
+	unsigned long i;
+	u32 block_size_reg;
+	u32 block_count_reg;
+	u32 group_count_reg;
+	u32 groups_per_int_reg;
+	u32 curr_pci_reg;
+
+	if (channel->chno == CHNO_RX_CHANNEL) {
+		group_regs_base = FPGA_RX_GROUP0_START_REG;
+		block_size_reg = FPGA_RX_BLOCK_SIZE_REG;
+		block_count_reg = FPGA_RX_BLOCK_COUNT_REG;
+		group_count_reg = FPGA_RX_GROUP_COUNT_REG;
+		groups_per_int_reg = FPGA_RX_GROUPS_PER_INT_REG;
+		curr_pci_reg = FPGA_RX_CURR_PCI_REG;
+	} else {
+		group_regs_base = FPGA_TX_GROUP0_START_REG;
+		block_size_reg = FPGA_TX_BLOCK_SIZE_REG;
+		block_count_reg = FPGA_TX_BLOCK_COUNT_REG;
+		group_count_reg = FPGA_TX_GROUP_COUNT_REG;
+		groups_per_int_reg = FPGA_TX_GROUPS_PER_INT_REG;
+		curr_pci_reg = FPGA_TX_CURR_PCI_REG;
+	}
+
+	printk(KERN_WARNING "block_size, group_size, group_count\n");
+	iowrite32(channel->block_size, fpga + block_size_reg);
+	iowrite32(channel->group_size / channel->block_size,
+		  fpga + block_count_reg);
+	iowrite32(channel->group_count, fpga + group_count_reg);
+	/* FIXME: Hardcoded groups per int. Get it from sysfs? */
+	iowrite32(1, fpga + groups_per_int_reg);
+
+	/* Unlock PCI address? Not defined in the data sheet, but used
+	 * in the reference code by Redrapids.
+	 */
+	iowrite32(0x1, fpga + curr_pci_reg);
+
+	/* The DMA address page register is shared between the RX and
+	 * TX channels, so acquire lock.
+	 */
+	spin_lock(channel->iomem_lock);
+	for (i = 0; i < channel->group_count; i++) {
+		page = i / 32;
+		group_in_page = i % 32;
+
+		group_reg = group_regs_base + (group_in_page * 4);
+
+		iowrite32(page, fpga + FPGA_DMA_ADR_PAGE_REG);
+		iowrite32(channel->groups[i].dma_addr, fpga + group_reg);
+	}
+	for (i = 0; i < channel->group_count; i++) {
+		page = i / 32;
+		group_in_page = i % 32;
+
+		group_reg = group_regs_base + (group_in_page * 4);
+
+		iowrite32(page, fpga + FPGA_DMA_ADR_PAGE_REG);
+		printk(KERN_INFO PFX "%ld: read dma_addr: 0x%x\n", i,
+		       ioread32(fpga + group_reg));
+	}
+	spin_unlock(channel->iomem_lock);
+
+}
+
+static int poch_channel_alloc_header(struct channel_info *channel)
+{
+	struct poch_cbuf_header *header = channel->header;
+	unsigned long group_offset_size;
+	unsigned long tot_group_offsets_size;
+
+	/* Allocate memory to hold header exported userspace */
+	group_offset_size = sizeof(header->group_offsets[0]);
+	tot_group_offsets_size = group_offset_size * channel->group_count;
+	channel->header_size = sizeof(*header) + tot_group_offsets_size;
+	channel->header_pg = alloc_pages(GFP_KERNEL | __GFP_ZERO,
+					 get_order(channel->header_size));
+	if (!channel->header_pg)
+		return -ENOMEM;
+
+	channel->header = page_address(channel->header_pg);
+
+	return 0;
+}
+
+static void poch_channel_free_header(struct channel_info *channel)
+{
+	unsigned int order;
+
+	order = get_order(channel->header_size);
+	__free_pages(channel->header_pg, order);
+}
+
+static void poch_channel_init_header(struct channel_info *channel)
+{
+	int i;
+	struct poch_group_info *groups;
+	s32 *group_offsets;
+
+	channel->header->group_size_bytes = channel->group_size;
+	channel->header->group_count = channel->group_count;
+
+	spin_lock_init(&channel->group_offsets_lock);
+
+	group_offsets = channel->header->group_offsets;
+	groups = channel->groups;
+
+	for (i = 0; i < channel->group_count; i++) {
+		if (channel->dir == CHANNEL_DIR_RX)
+			group_offsets[i] = -1;
+		else
+			group_offsets[i] = groups[i].user_offset;
+	}
+}
+
+static void __poch_channel_clear_counters(struct channel_info *channel)
+{
+	channel->counters.pll_unlock = 0;
+	channel->counters.fifo_empty = 0;
+	channel->counters.fifo_overflow = 0;
+}
+
+static int poch_channel_init(struct channel_info *channel,
+			     struct poch_dev *poch_dev)
+{
+	struct pci_dev *pdev = poch_dev->pci_dev;
+	struct device *dev = &pdev->dev;
+	unsigned long alloc_size;
+	int ret;
+
+	printk(KERN_WARNING "channel_latch_attr\n");
+
+	channel_latch_attr(channel);
+
+	channel->transfer = 0;
+
+	/* Allocate memory to hold group information. */
+	alloc_size = channel->group_count * sizeof(struct poch_group_info);
+	channel->groups = kzalloc(alloc_size, GFP_KERNEL);
+	if (!channel->groups) {
+		dev_err(dev, "error allocating memory for group info\n");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	printk(KERN_WARNING "poch_channel_alloc_groups\n");
+
+	ret = poch_channel_alloc_groups(channel);
+	if (ret) {
+		dev_err(dev, "error allocating groups of order %d\n",
+			get_order(channel->group_size));
+		goto out_free_group_info;
+	}
+
+	ret = poch_channel_alloc_header(channel);
+	if (ret) {
+		dev_err(dev, "error allocating user space header\n");
+		goto out_free_groups;
+	}
+
+	channel->fpga_iomem = poch_dev->fpga_iomem;
+	channel->bridge_iomem = poch_dev->bridge_iomem;
+	channel->iomem_lock = &poch_dev->iomem_lock;
+	spin_lock_init(&channel->counters_lock);
+
+	__poch_channel_clear_counters(channel);
+
+	printk(KERN_WARNING "poch_channel_init_header\n");
+
+	poch_channel_init_header(channel);
+
+	return 0;
+
+ out_free_groups:
+	poch_channel_free_groups(channel);
+ out_free_group_info:
+	kfree(channel->groups);
+ out:
+	return ret;
+}
+
+static int poch_wait_fpga_prog(void __iomem *bridge)
+{
+	unsigned long total_wait;
+	const unsigned long wait_period = 100;
+	/* FIXME: Get the actual timeout */
+	const unsigned long prog_timeo = 10000; /* 10 Seconds */
+	u32 card_power;
+
+	printk(KERN_WARNING "poch_wait_fpg_prog\n");
+
+	printk(KERN_INFO PFX "programming fpga ...\n");
+	total_wait = 0;
+	while (1) {
+		msleep(wait_period);
+		total_wait += wait_period;
+
+		card_power = ioread32(bridge + BRIDGE_CARD_POWER_REG);
+		if (card_power & BRIDGE_CARD_POWER_PROG_DONE) {
+			printk(KERN_INFO PFX "programming done\n");
+			return 0;
+		}
+		if (total_wait > prog_timeo) {
+			printk(KERN_ERR PFX
+			       "timed out while programming FPGA\n");
+			return -EIO;
+		}
+	}
+}
+
+static void poch_card_power_off(struct poch_dev *poch_dev)
+{
+	void __iomem *bridge = poch_dev->bridge_iomem;
+	u32 card_power;
+
+	iowrite32(0, bridge + BRIDGE_INT_MASK_REG);
+	iowrite32(0, bridge + BRIDGE_DMA_GO_REG);
+
+	card_power = ioread32(bridge + BRIDGE_CARD_POWER_REG);
+	iowrite32(card_power & ~BRIDGE_CARD_POWER_EN,
+		  bridge + BRIDGE_CARD_POWER_REG);
+}
+
+enum clk_src {
+	CLK_SRC_ON_BOARD,
+	CLK_SRC_EXTERNAL
+};
+
+static void poch_card_clock_on(void __iomem *fpga)
+{
+	/* FIXME: Get this data through sysfs? */
+	enum clk_src clk_src = CLK_SRC_ON_BOARD;
+
+	if (clk_src == CLK_SRC_ON_BOARD) {
+		iowrite32(FPGA_ADC_CLOCK_LOCAL_CLK | FPGA_ADC_CLOCK_CTL_OSC_EN,
+			  fpga + FPGA_ADC_CLOCK_CTL_REG);
+	} else if (clk_src == CLK_SRC_EXTERNAL) {
+		iowrite32(FPGA_ADC_CLOCK_EXT_SAMP_CLK,
+			  fpga + FPGA_ADC_CLOCK_CTL_REG);
+	}
+}
+
+static int poch_card_power_on(struct poch_dev *poch_dev)
+{
+	void __iomem *bridge = poch_dev->bridge_iomem;
+	void __iomem *fpga = poch_dev->fpga_iomem;
+
+	iowrite32(BRIDGE_CARD_POWER_EN, bridge + BRIDGE_CARD_POWER_REG);
+
+	if (poch_wait_fpga_prog(bridge) != 0) {
+		poch_card_power_off(poch_dev);
+		return -EIO;
+	}
+
+	poch_card_clock_on(fpga);
+
+	/* Sync to new clock, reset state machines, set DMA mode. */
+	iowrite32(FPGA_DOM_DCM_RESET | FPGA_DOM_SOFT_RESET
+		  | FPGA_DOM_DUAL_M_SG_DMA, fpga + FPGA_DOM_REG);
+
+	/* FIXME: The time required for sync. needs to be tuned. */
+	msleep(1000);
+
+	return 0;
+}
+
+static void poch_channel_analog_on(struct channel_info *channel)
+{
+	void __iomem *fpga = channel->fpga_iomem;
+	u32 adc_dac_en;
+
+	spin_lock(channel->iomem_lock);
+	adc_dac_en = ioread32(fpga + FPGA_ADC_DAC_EN_REG);
+	switch (channel->chno) {
+	case CHNO_RX_CHANNEL:
+		iowrite32(adc_dac_en & ~FPGA_ADC_DAC_EN_ADC_OFF,
+			  fpga + FPGA_ADC_DAC_EN_REG);
+		break;
+	case CHNO_TX_CHANNEL:
+		iowrite32(adc_dac_en & ~FPGA_ADC_DAC_EN_DAC_OFF,
+			  fpga + FPGA_ADC_DAC_EN_REG);
+		break;
+	}
+	spin_unlock(channel->iomem_lock);
+}
+
+static int poch_open(struct inode *inode, struct file *filp)
+{
+	struct poch_dev *poch_dev;
+	struct channel_info *channel;
+	void __iomem *bridge;
+	void __iomem *fpga;
+	int chno;
+	int usage;
+	int ret;
+
+	poch_dev = container_of(inode->i_cdev, struct poch_dev, cdev);
+	bridge = poch_dev->bridge_iomem;
+	fpga = poch_dev->fpga_iomem;
+
+	chno = iminor(inode) % poch_dev->nchannels;
+	channel = &poch_dev->channels[chno];
+
+	if (!atomic_dec_and_test(&channel->free)) {
+		atomic_inc(&channel->free);
+		ret = -EBUSY;
+		goto out;
+	}
+
+	usage = atomic_inc_return(&poch_dev->usage);
+
+	printk(KERN_WARNING "poch_card_power_on\n");
+
+	if (usage == 1) {
+		ret = poch_card_power_on(poch_dev);
+		if (ret)
+			goto out_dec_usage;
+	}
+
+	printk(KERN_INFO "CardBus Bridge Revision: %x\n",
+	       ioread32(bridge + BRIDGE_REV_REG));
+	printk(KERN_INFO "CardBus Interface Revision: %x\n",
+	       ioread32(fpga + FPGA_IFACE_REV_REG));
+
+	channel->chno = chno;
+	filp->private_data = channel;
+
+	printk(KERN_WARNING "poch_channel_init\n");
+
+	ret = poch_channel_init(channel, poch_dev);
+	if (ret)
+		goto out_power_off;
+
+	poch_channel_analog_on(channel);
+
+	printk(KERN_WARNING "channel_dma_init\n");
+
+	channel_dma_init(channel);
+
+	printk(KERN_WARNING "poch_channel_analog_on\n");
+
+	if (usage == 1) {
+		printk(KERN_WARNING "setting up DMA\n");
+
+		/* Initialize DMA Controller. */
+		iowrite32(FPGA_CAP_FIFO_REG, bridge + BRIDGE_STAT_2_REG);
+		iowrite32(FPGA_DMA_DESC_1_REG, bridge + BRIDGE_STAT_3_REG);
+
+		ioread32(fpga + FPGA_DMA_INT_STAT_REG);
+		ioread32(fpga + FPGA_INT_STAT_REG);
+		ioread32(bridge + BRIDGE_INT_STAT_REG);
+
+		/* Initialize Interrupts. FIXME: Enable temperature
+		 * handling We are enabling both Tx and Rx channel
+		 * interrupts here. Do we need to enable interrupts
+		 * only for the current channel? Anyways we won't get
+		 * the interrupt unless the DMA is activated.
+		 */
+		iowrite32(BRIDGE_INT_FPGA, bridge + BRIDGE_INT_MASK_REG);
+		iowrite32(FPGA_INT_DMA_CORE
+			  | FPGA_INT_PLL_UNLOCKED
+			  | FPGA_INT_TX_FF_EMPTY
+			  | FPGA_INT_RX_FF_EMPTY
+			  | FPGA_INT_TX_FF_OVRFLW
+			  | FPGA_INT_RX_FF_OVRFLW,
+			  fpga + FPGA_INT_MASK_REG);
+		iowrite32(FPGA_DMA_INT_RX | FPGA_DMA_INT_TX,
+			  fpga + FPGA_DMA_INT_MASK_REG);
+	}
+
+	if (channel->dir == CHANNEL_DIR_TX) {
+		/* Flush TX FIFO and output data from cardbus. */
+		iowrite32(FPGA_TX_CTL_FIFO_FLUSH
+			  | FPGA_TX_CTL_OUTPUT_CARDBUS,
+			  fpga + FPGA_TX_CTL_REG);
+	}
+
+	atomic_inc(&channel->inited);
+
+	return 0;
+
+ out_power_off:
+	if (usage == 1)
+		poch_card_power_off(poch_dev);
+ out_dec_usage:
+	atomic_dec(&poch_dev->usage);
+	atomic_inc(&channel->free);
+ out:
+	return ret;
+}
+
+static int poch_release(struct inode *inode, struct file *filp)
+{
+	struct channel_info *channel = filp->private_data;
+	struct poch_dev *poch_dev;
+	int usage;
+
+	poch_dev = container_of(inode->i_cdev, struct poch_dev, cdev);
+
+	usage = atomic_dec_return(&poch_dev->usage);
+	if (usage == 0) {
+		printk(KERN_WARNING "poch_card_power_off\n");
+		poch_card_power_off(poch_dev);
+	}
+
+	atomic_dec(&channel->inited);
+	poch_channel_free_header(channel);
+	poch_channel_free_groups(channel);
+	kfree(channel->groups);
+	atomic_inc(&channel->free);
+
+	return 0;
+}
+
+/*
+ * Map the header and the group buffers, to user space.
+ */
+static int poch_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	struct channel_info *channel = filp->private_data;
+
+	unsigned long start;
+	unsigned long size;
+
+	unsigned long group_pages;
+	unsigned long header_pages;
+	unsigned long total_group_pages;
+
+	int pg_num;
+	struct page *pg;
+
+	int i;
+	int ret;
+
+	printk(KERN_WARNING "poch_mmap\n");
+
+	if (vma->vm_pgoff) {
+		printk(KERN_WARNING PFX "page offset: %lu\n", vma->vm_pgoff);
+		return -EINVAL;
+	}
+
+	group_pages = (channel->group_size / PAGE_SIZE) + 1;
+	header_pages = (channel->header_size / PAGE_SIZE) + 1;
+	total_group_pages = group_pages * channel->group_count;
+
+	size = vma->vm_end - vma->vm_start;
+	if (size != (header_pages + total_group_pages) * PAGE_SIZE) {
+		printk(KERN_WARNING PFX "required %lu bytes\n", size);
+		return -EINVAL;
+	}
+
+	start = vma->vm_start;
+
+	/* FIXME: Cleanup required on failure? */
+	pg = channel->header_pg;
+	for (pg_num = 0; pg_num < header_pages; pg_num++, pg++) {
+		printk(KERN_DEBUG PFX "page_count: %d\n", page_count(pg));
+		printk(KERN_DEBUG PFX "%d: header: 0x%lx\n", pg_num, start);
+		ret = vm_insert_page(vma, start, pg);
+		if (ret) {
+			printk(KERN_DEBUG "vm_insert 1 failed at %lx\n", start);
+			return ret;
+		}
+		start += PAGE_SIZE;
+	}
+
+	for (i = 0; i < channel->group_count; i++) {
+		pg = channel->groups[i].pg;
+		for (pg_num = 0; pg_num < group_pages; pg_num++, pg++) {
+			printk(KERN_DEBUG PFX "%d: group %d: 0x%lx\n",
+			       pg_num, i, start);
+			ret = vm_insert_page(vma, start, pg);
+			if (ret) {
+				printk(KERN_DEBUG PFX
+				       "vm_insert 2 failed at %d\n", pg_num);
+				return ret;
+			}
+			start += PAGE_SIZE;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * Check whether there is some group that the user space has not
+ * consumed yet. When the user space consumes a group, it sets it to
+ * -1. Cosuming could be reading data in case of RX and filling a
+ * buffer in case of TX.
+ */
+static int poch_channel_available(struct channel_info *channel)
+{
+	int i;
+
+	spin_lock_irq(&channel->group_offsets_lock);
+
+	for (i = 0; i < channel->group_count; i++) {
+		if (channel->dir == CHANNEL_DIR_RX
+		    && channel->header->group_offsets[i] == -1) {
+			spin_unlock_irq(&channel->group_offsets_lock);
+			return 1;
+		}
+
+		if (channel->dir == CHANNEL_DIR_TX
+		    && channel->header->group_offsets[i] != -1) {
+			spin_unlock_irq(&channel->group_offsets_lock);
+			return 1;
+		}
+	}
+
+	spin_unlock_irq(&channel->group_offsets_lock);
+
+	return 0;
+}
+
+static unsigned int poch_poll(struct file *filp, poll_table *pt)
+{
+	struct channel_info *channel = filp->private_data;
+	unsigned int ret = 0;
+
+	poll_wait(filp, &channel->wq, pt);
+
+	if (poch_channel_available(channel)) {
+		if (channel->dir == CHANNEL_DIR_RX)
+			ret = POLLIN | POLLRDNORM;
+		else
+			ret = POLLOUT | POLLWRNORM;
+	}
+
+	return ret;
+}
+
+static int poch_ioctl(struct inode *inode, struct file *filp,
+		      unsigned int cmd, unsigned long arg)
+{
+	struct channel_info *channel = filp->private_data;
+	void __iomem *fpga = channel->fpga_iomem;
+	void __iomem *bridge = channel->bridge_iomem;
+	void __user *argp = (void __user *)arg;
+	struct vm_area_struct *vms;
+	struct poch_counters counters;
+	int ret;
+
+	switch (cmd) {
+	case POCH_IOC_TRANSFER_START:
+		switch (channel->chno) {
+		case CHNO_TX_CHANNEL:
+			printk(KERN_INFO PFX "ioctl: Tx start\n");
+			iowrite32(0x1, fpga + FPGA_TX_TRIGGER_REG);
+			iowrite32(0x1, fpga + FPGA_TX_ENABLE_REG);
+
+			/* FIXME: Does it make sense to do a DMA GO
+			 * twice, once in Tx and once in Rx.
+			 */
+			iowrite32(0x1, bridge + BRIDGE_DMA_GO_REG);
+			break;
+		case CHNO_RX_CHANNEL:
+			printk(KERN_INFO PFX "ioctl: Rx start\n");
+			iowrite32(0x1, fpga + FPGA_RX_ARM_REG);
+			iowrite32(0x1, bridge + BRIDGE_DMA_GO_REG);
+			break;
+		}
+		break;
+	case POCH_IOC_TRANSFER_STOP:
+		switch (channel->chno) {
+		case CHNO_TX_CHANNEL:
+			printk(KERN_INFO PFX "ioctl: Tx stop\n");
+			iowrite32(0x0, fpga + FPGA_TX_ENABLE_REG);
+			iowrite32(0x0, fpga + FPGA_TX_TRIGGER_REG);
+			iowrite32(0x0, bridge + BRIDGE_DMA_GO_REG);
+			break;
+		case CHNO_RX_CHANNEL:
+			printk(KERN_INFO PFX "ioctl: Rx stop\n");
+			iowrite32(0x0, fpga + FPGA_RX_ARM_REG);
+			iowrite32(0x0, bridge + BRIDGE_DMA_GO_REG);
+			break;
+		}
+		break;
+	case POCH_IOC_GET_COUNTERS:
+		if (access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters)))
+			return -EFAULT;
+
+		spin_lock_irq(&channel->counters_lock);
+		counters = channel->counters;
+		__poch_channel_clear_counters(channel);
+		spin_unlock_irq(&channel->counters_lock);
+
+		ret = copy_to_user(argp, &counters,
+				   sizeof(struct poch_counters));
+		if (ret)
+			return ret;
+
+		break;
+	case POCH_IOC_SYNC_GROUP_FOR_USER:
+	case POCH_IOC_SYNC_GROUP_FOR_DEVICE:
+		vms = find_vma(current->mm, arg);
+		if (!vms)
+			/* Address not mapped. */
+			return -EINVAL;
+		if (vms->vm_file != filp)
+			/* Address mapped from different device/file. */
+			return -EINVAL;
+
+		flush_cache_range(vms, arg, arg + channel->group_size);
+		break;
+	}
+	return 0;
+}
+
+static struct file_operations poch_fops = {
+	.owner = THIS_MODULE,
+	.open = poch_open,
+	.release = poch_release,
+	.ioctl = poch_ioctl,
+	.poll = poch_poll,
+	.mmap = poch_mmap
+};
+
+static void poch_irq_dma(struct channel_info *channel)
+{
+	u32 prev_transfer;
+	u32 curr_transfer;
+	long groups_done;
+	unsigned long i, j;
+	struct poch_group_info *groups;
+	s32 *group_offsets;
+	u32 curr_group_reg;
+
+	if (!atomic_read(&channel->inited))
+		return;
+
+	prev_transfer = channel->transfer;
+
+	if (channel->chno == CHNO_RX_CHANNEL)
+		curr_group_reg = FPGA_RX_CURR_GROUP_REG;
+	else
+		curr_group_reg = FPGA_TX_CURR_GROUP_REG;
+
+	curr_transfer = ioread32(channel->fpga_iomem + curr_group_reg);
+
+	groups_done = curr_transfer - prev_transfer;
+	/* Check wrap over, and handle it. */
+	if (groups_done <= 0)
+		groups_done += channel->group_count;
+
+	group_offsets = channel->header->group_offsets;
+	groups = channel->groups;
+
+	spin_lock(&channel->group_offsets_lock);
+
+	for (i = 0; i < groups_done; i++) {
+		j = (prev_transfer + i) % channel->group_count;
+		if (channel->dir == CHANNEL_DIR_RX)
+			group_offsets[j] = -1;
+		else
+			group_offsets[j] = groups[j].user_offset;
+	}
+
+	spin_unlock(&channel->group_offsets_lock);
+
+	channel->transfer = curr_transfer;
+
+	wake_up_interruptible(&channel->wq);
+}
+
+static irqreturn_t poch_irq_handler(int irq, void *p)
+{
+	struct poch_dev *poch_dev = p;
+	void __iomem *bridge = poch_dev->bridge_iomem;
+	void __iomem *fpga = poch_dev->fpga_iomem;
+	struct channel_info *channel_rx = &poch_dev->channels[CHNO_RX_CHANNEL];
+	struct channel_info *channel_tx = &poch_dev->channels[CHNO_TX_CHANNEL];
+	u32 bridge_stat;
+	u32 fpga_stat;
+	u32 dma_stat;
+
+	bridge_stat = ioread32(bridge + BRIDGE_INT_STAT_REG);
+	fpga_stat = ioread32(fpga + FPGA_INT_STAT_REG);
+	dma_stat = ioread32(fpga + FPGA_DMA_INT_STAT_REG);
+
+	ioread32(fpga + FPGA_DMA_INT_STAT_REG);
+	ioread32(fpga + FPGA_INT_STAT_REG);
+	ioread32(bridge + BRIDGE_INT_STAT_REG);
+
+	if (bridge_stat & BRIDGE_INT_FPGA) {
+		if (fpga_stat & FPGA_INT_DMA_CORE) {
+			if (dma_stat & FPGA_DMA_INT_RX)
+				poch_irq_dma(channel_rx);
+			if (dma_stat & FPGA_DMA_INT_TX)
+				poch_irq_dma(channel_tx);
+		}
+		if (fpga_stat & FPGA_INT_PLL_UNLOCKED) {
+			channel_tx->counters.pll_unlock++;
+			channel_rx->counters.pll_unlock++;
+			if (printk_ratelimit())
+				printk(KERN_WARNING PFX "PLL unlocked\n");
+		}
+		if (fpga_stat & FPGA_INT_TX_FF_EMPTY)
+			channel_tx->counters.fifo_empty++;
+		if (fpga_stat & FPGA_INT_TX_FF_OVRFLW)
+			channel_tx->counters.fifo_overflow++;
+		if (fpga_stat & FPGA_INT_RX_FF_EMPTY)
+			channel_rx->counters.fifo_empty++;
+		if (fpga_stat & FPGA_INT_RX_FF_OVRFLW)
+			channel_rx->counters.fifo_overflow++;
+
+		/*
+		 * FIXME: These errors should be notified through the
+		 * poll interface as POLLERR.
+		 */
+
+		/* Re-enable interrupts. */
+		iowrite32(BRIDGE_INT_FPGA, bridge + BRIDGE_INT_MASK_REG);
+
+		return IRQ_HANDLED;
+	}
+
+	return IRQ_NONE;
+}
+
+static void poch_class_dev_unregister(struct poch_dev *poch_dev, int id)
+{
+	int i, j;
+	int nattrs;
+	struct channel_info *channel;
+	dev_t devno;
+
+	if (poch_dev->dev == NULL)
+		return;
+
+	for (i = 0; i < poch_dev->nchannels; i++) {
+		channel = &poch_dev->channels[i];
+		devno = poch_first_dev + (id * poch_dev->nchannels) + i;
+
+		if (!channel->dev)
+			continue;
+
+		nattrs = sizeof(poch_class_attrs)/sizeof(poch_class_attrs[0]);
+		for (j = 0; j < nattrs; j++)
+			device_remove_file(channel->dev, poch_class_attrs[j]);
+
+		device_unregister(channel->dev);
+	}
+
+	device_unregister(poch_dev->dev);
+}
+
+static int __devinit poch_class_dev_register(struct poch_dev *poch_dev,
+					     int id)
+{
+	struct device *dev = &poch_dev->pci_dev->dev;
+	int i, j;
+	int nattrs;
+	int ret;
+	struct channel_info *channel;
+	dev_t devno;
+
+	poch_dev->dev = device_create(poch_cls, &poch_dev->pci_dev->dev,
+				      MKDEV(0, 0), NULL, "poch%d", id);
+	if (IS_ERR(poch_dev->dev)) {
+		dev_err(dev, "error creating parent class device");
+		ret = PTR_ERR(poch_dev->dev);
+		poch_dev->dev = NULL;
+		return ret;
+	}
+
+	for (i = 0; i < poch_dev->nchannels; i++) {
+		channel = &poch_dev->channels[i];
+
+		devno = poch_first_dev + (id * poch_dev->nchannels) + i;
+		channel->dev = device_create(poch_cls, poch_dev->dev, devno,
+					     NULL, "ch%d", i);
+		if (IS_ERR(channel->dev)) {
+			dev_err(dev, "error creating channel class device");
+			ret = PTR_ERR(channel->dev);
+			channel->dev = NULL;
+			poch_class_dev_unregister(poch_dev, id);
+			return ret;
+		}
+
+		dev_set_drvdata(channel->dev, channel);
+		nattrs = sizeof(poch_class_attrs)/sizeof(poch_class_attrs[0]);
+		for (j = 0; j < nattrs; j++) {
+			ret = device_create_file(channel->dev,
+						 poch_class_attrs[j]);
+			if (ret) {
+				dev_err(dev, "error creating attribute file");
+				poch_class_dev_unregister(poch_dev, id);
+				return ret;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static int __devinit poch_pci_probe(struct pci_dev *pdev,
+				    const struct pci_device_id *pci_id)
+{
+	struct device *dev = &pdev->dev;
+	struct poch_dev *poch_dev;
+	struct uio_info *uio;
+	int ret;
+	int id;
+	int i;
+
+	poch_dev = kzalloc(sizeof(struct poch_dev), GFP_KERNEL);
+	if (!poch_dev) {
+		dev_err(dev, "error allocating priv. data memory\n");
+		return -ENOMEM;
+	}
+
+	poch_dev->pci_dev = pdev;
+	uio = &poch_dev->uio;
+
+	pci_set_drvdata(pdev, poch_dev);
+
+	spin_lock_init(&poch_dev->iomem_lock);
+
+	poch_dev->nchannels = POCH_NCHANNELS;
+	poch_dev->channels[CHNO_RX_CHANNEL].dir = CHANNEL_DIR_RX;
+	poch_dev->channels[CHNO_TX_CHANNEL].dir = CHANNEL_DIR_TX;
+
+	for (i = 0; i < poch_dev->nchannels; i++) {
+		init_waitqueue_head(&poch_dev->channels[i].wq);
+		atomic_set(&poch_dev->channels[i].free, 1);
+		atomic_set(&poch_dev->channels[i].inited, 0);
+	}
+
+	ret = pci_enable_device(pdev);
+	if (ret) {
+		dev_err(dev, "error enabling device\n");
+		goto out_free;
+	}
+
+	ret = pci_request_regions(pdev, "poch");
+	if (ret) {
+		dev_err(dev, "error requesting resources\n");
+		goto out_disable;
+	}
+
+	uio->mem[0].addr = pci_resource_start(pdev, 1);
+	if (!uio->mem[0].addr) {
+		dev_err(dev, "invalid BAR1\n");
+		ret = -ENODEV;
+		goto out_release;
+	}
+
+	uio->mem[0].size = pci_resource_len(pdev, 1);
+	uio->mem[0].memtype = UIO_MEM_PHYS;
+
+	uio->name = "poch";
+	uio->version = "0.0.1";
+	uio->irq = -1;
+	ret = uio_register_device(dev, uio);
+	if (ret) {
+		dev_err(dev, "error register UIO device: %d\n", ret);
+		goto out_release;
+	}
+
+	poch_dev->bridge_iomem = ioremap(pci_resource_start(pdev, 0),
+					 pci_resource_len(pdev, 0));
+	if (poch_dev->bridge_iomem == NULL) {
+		dev_err(dev, "error mapping bridge (bar0) registers\n");
+		ret = -ENOMEM;
+		goto out_uio_unreg;
+	}
+
+	poch_dev->fpga_iomem = ioremap(pci_resource_start(pdev, 1),
+				       pci_resource_len(pdev, 1));
+	if (poch_dev->fpga_iomem == NULL) {
+		dev_err(dev, "error mapping fpga (bar1) registers\n");
+		ret = -ENOMEM;
+		goto out_bar0_unmap;
+	}
+
+	ret = request_irq(pdev->irq, poch_irq_handler, IRQF_SHARED,
+			  dev->bus_id, poch_dev);
+	if (ret) {
+		dev_err(dev, "error requesting IRQ %u\n", pdev->irq);
+		ret = -ENOMEM;
+		goto out_bar1_unmap;
+	}
+
+	if (!idr_pre_get(&poch_ids, GFP_KERNEL)) {
+		dev_err(dev, "error allocating memory ids\n");
+		ret = -ENOMEM;
+		goto out_free_irq;
+	}
+
+	idr_get_new(&poch_ids, poch_dev, &id);
+	if (id >= MAX_POCH_CARDS) {
+		dev_err(dev, "minors exhausted\n");
+		ret = -EBUSY;
+		goto out_free_irq;
+	}
+
+	cdev_init(&poch_dev->cdev, &poch_fops);
+	poch_dev->cdev.owner = THIS_MODULE;
+	ret = cdev_add(&poch_dev->cdev,
+		       poch_first_dev + (id * poch_dev->nchannels),
+		       poch_dev->nchannels);
+	if (ret) {
+		dev_err(dev, "error register character device\n");
+		goto out_idr_remove;
+	}
+
+	ret = poch_class_dev_register(poch_dev, id);
+	if (ret)
+		goto out_cdev_del;
+
+	return 0;
+
+ out_cdev_del:
+	cdev_del(&poch_dev->cdev);
+ out_idr_remove:
+	idr_remove(&poch_ids, id);
+ out_free_irq:
+	free_irq(pdev->irq, poch_dev);
+ out_bar1_unmap:
+	iounmap(poch_dev->fpga_iomem);
+ out_bar0_unmap:
+	iounmap(poch_dev->bridge_iomem);
+ out_uio_unreg:
+	uio_unregister_device(uio);
+ out_release:
+	pci_release_regions(pdev);
+ out_disable:
+	pci_disable_device(pdev);
+ out_free:
+	kfree(poch_dev);
+	return ret;
+}
+
+/*
+ * FIXME: We are yet to handle the hot unplug case.
+ */
+static void poch_pci_remove(struct pci_dev *pdev)
+{
+	struct poch_dev *poch_dev = pci_get_drvdata(pdev);
+	struct uio_info *uio = &poch_dev->uio;
+	unsigned int minor = MINOR(poch_dev->cdev.dev);
+	unsigned int id = minor / poch_dev->nchannels;
+
+	/* FIXME: unmap fpga_iomem and bridge_iomem */
+
+	poch_class_dev_unregister(poch_dev, id);
+	cdev_del(&poch_dev->cdev);
+	idr_remove(&poch_ids, id);
+	free_irq(pdev->irq, poch_dev);
+	uio_unregister_device(uio);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+	pci_set_drvdata(pdev, NULL);
+	iounmap(uio->mem[0].internal_addr);
+
+	kfree(poch_dev);
+}
+
+static const struct pci_device_id poch_pci_ids[] /* __devinitconst */ = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_RRAPIDS,
+		     PCI_DEVICE_ID_RRAPIDS_POCKET_CHANGE) },
+	{ 0, }
+};
+
+static struct pci_driver poch_pci_driver = {
+	.name = DRV_NAME,
+	.id_table = poch_pci_ids,
+	.probe = poch_pci_probe,
+	.remove = poch_pci_remove,
+};
+
+static int __init poch_init_module(void)
+{
+	int ret = 0;
+
+	ret = alloc_chrdev_region(&poch_first_dev, 0,
+				  MAX_POCH_DEVICES, DRV_NAME);
+	if (ret) {
+		printk(KERN_ERR PFX "error allocating device no.");
+		return ret;
+	}
+
+	poch_cls = class_create(THIS_MODULE, "pocketchange");
+	if (IS_ERR(poch_cls)) {
+		ret = PTR_ERR(poch_cls);
+		goto out_unreg_chrdev;
+	}
+
+	ret = pci_register_driver(&poch_pci_driver);
+	if (ret) {
+		printk(KERN_ERR PFX "error register PCI device");
+		goto out_class_destroy;
+	}
+
+	return 0;
+
+ out_class_destroy:
+	class_destroy(poch_cls);
+
+ out_unreg_chrdev:
+	unregister_chrdev_region(poch_first_dev, MAX_POCH_DEVICES);
+
+	return ret;
+}
+
+static void __exit poch_exit_module(void)
+{
+	pci_unregister_driver(&poch_pci_driver);
+	class_destroy(poch_cls);
+	unregister_chrdev_region(poch_first_dev, MAX_POCH_DEVICES);
+}
+
+module_init(poch_init_module);
+module_exit(poch_exit_module);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/poch/poch.h b/drivers/staging/poch/poch.h
new file mode 100644
index 00000000000..51a2d145798
--- /dev/null
+++ b/drivers/staging/poch/poch.h
@@ -0,0 +1,29 @@
+/*
+ * User-space DMA and UIO based Redrapids Pocket Change CardBus driver
+ *
+ * Copyright 2008 Vijay Kumar <vijaykumar@bravegnu.org>
+ *
+ * Part of userspace API. Should be moved to a header file in
+ * include/linux for final version.
+ *
+ */
+struct poch_cbuf_header {
+	__s32 group_size_bytes;
+	__s32 group_count;
+	__s32 group_offsets[0];
+};
+
+struct poch_counters {
+	__u32 fifo_empty;
+	__u32 fifo_overflow;
+	__u32 pll_unlock;
+};
+
+#define POCH_IOC_NUM			'9'
+
+#define POCH_IOC_TRANSFER_START		_IO(POCH_IOC_NUM, 0)
+#define POCH_IOC_TRANSFER_STOP		_IO(POCH_IOC_NUM, 1)
+#define POCH_IOC_GET_COUNTERS		_IOR(POCH_IOC_NUM, 2, \
+					     struct poch_counters)
+#define POCH_IOC_SYNC_GROUP_FOR_USER	_IO(POCH_IOC_NUM, 3)
+#define POCH_IOC_SYNC_GROUP_FOR_DEVICE	_IO(POCH_IOC_NUM, 4)
-- 
GitLab


From 2ae5a6d20eae3651eade5165ae2a30ea6c3a1812 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Mon, 20 Oct 2008 15:45:25 -0700
Subject: [PATCH 1858/2224] Staging: remove remaining uses of __FUNCTION__

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/usbip_common.c  | 2 +-
 drivers/staging/wlan-ng/wlan_compat.h | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
index e64918f42ff..72e209276ea 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -221,7 +221,7 @@ static void usbip_dump_request_type(__u8 rt)
 static void usbip_dump_usb_ctrlrequest(struct usb_ctrlrequest *cmd)
 {
 	if (!cmd) {
-		printk("      %s : null pointer\n", __FUNCTION__);
+		printk("      %s : null pointer\n", __func__);
 		return;
 	}
 
diff --git a/drivers/staging/wlan-ng/wlan_compat.h b/drivers/staging/wlan-ng/wlan_compat.h
index 17026570708..59dfa8f84cb 100644
--- a/drivers/staging/wlan-ng/wlan_compat.h
+++ b/drivers/staging/wlan-ng/wlan_compat.h
@@ -245,11 +245,11 @@ typedef int64_t		INT64;
 #  define preempt_count() (0UL)
 #endif
 
-#define WLAN_LOG_ERROR(x,args...) printk(KERN_ERR "%s: " x , __FUNCTION__ , ##args);
+#define WLAN_LOG_ERROR(x,args...) printk(KERN_ERR "%s: " x , __func__ , ##args);
 
-#define WLAN_LOG_WARNING(x,args...) printk(KERN_WARNING "%s: " x , __FUNCTION__ , ##args);
+#define WLAN_LOG_WARNING(x,args...) printk(KERN_WARNING "%s: " x , __func__ , ##args);
 
-#define WLAN_LOG_NOTICE(x,args...) printk(KERN_NOTICE "%s: " x , __FUNCTION__ , ##args);
+#define WLAN_LOG_NOTICE(x,args...) printk(KERN_NOTICE "%s: " x , __func__ , ##args);
 
 #define WLAN_LOG_INFO(args... ) printk(KERN_INFO args)
 
@@ -265,7 +265,7 @@ typedef int64_t		INT64;
 	#define DBFENTER { if ( WLAN_DBVAR >= 5 ){ WLAN_LOG_DEBUG(3,"---->\n"); } }
 	#define DBFEXIT  { if ( WLAN_DBVAR >= 5 ){ WLAN_LOG_DEBUG(3,"<----\n"); } }
 
-	#define WLAN_LOG_DEBUG(l,x,args...) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s(%lu): " x ,  __FUNCTION__, (preempt_count() & PREEMPT_MASK), ##args );
+	#define WLAN_LOG_DEBUG(l,x,args...) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s(%lu): " x ,  __func__, (preempt_count() & PREEMPT_MASK), ##args );
 #else
 	#define WLAN_ASSERT(c)
 	#define WLAN_HEX_DUMP( l, s, p, n)
-- 
GitLab


From bc36e6559c32374b7f9cf18e9461cd51998c41d3 Mon Sep 17 00:00:00 2001
From: "J.R. Mauro" <jrm8005@gmail.com>
Date: Tue, 14 Oct 2008 18:00:15 -0400
Subject: [PATCH 1859/2224] Staging: Clean up sxg driver

Lindent the rest of the files in drivers/staging/sxg

Signed off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/sxg_os.h     |  41 ++--
 drivers/staging/sxg/sxghif.h     | 410 +++++++++++++++----------------
 drivers/staging/sxg/sxghw.h      | 284 ++++++++++-----------
 drivers/staging/sxg/sxgphycode.h |  12 +-
 4 files changed, 368 insertions(+), 379 deletions(-)

diff --git a/drivers/staging/sxg/sxg_os.h b/drivers/staging/sxg/sxg_os.h
index 26fb0ffafa5..01182689aab 100644
--- a/drivers/staging/sxg/sxg_os.h
+++ b/drivers/staging/sxg/sxg_os.h
@@ -44,7 +44,6 @@
 #define FALSE	(0)
 #define TRUE	(1)
 
-
 typedef struct _LIST_ENTRY {
 	struct _LIST_ENTRY *nle_flink;
 	struct _LIST_ENTRY *nle_blink;
@@ -69,35 +68,32 @@ typedef struct _LIST_ENTRY {
 
 /* These two have to be inlined since they return things. */
 
-static __inline PLIST_ENTRY
-RemoveHeadList(list_entry *l)
+static __inline PLIST_ENTRY RemoveHeadList(list_entry * l)
 {
-        list_entry              *f;
-        list_entry              *e;
+	list_entry *f;
+	list_entry *e;
 
-        e = l->nle_flink;
-        f = e->nle_flink;
-        l->nle_flink = f;
-        f->nle_blink = l;
+	e = l->nle_flink;
+	f = e->nle_flink;
+	l->nle_flink = f;
+	f->nle_blink = l;
 
-        return (e);
+	return (e);
 }
 
-static __inline PLIST_ENTRY
-RemoveTailList(list_entry *l)
+static __inline PLIST_ENTRY RemoveTailList(list_entry * l)
 {
-        list_entry              *b;
-        list_entry              *e;
+	list_entry *b;
+	list_entry *e;
 
-        e = l->nle_blink;
-        b = e->nle_blink;
-        l->nle_blink = b;
-        b->nle_flink = l;
+	e = l->nle_blink;
+	b = e->nle_blink;
+	l->nle_blink = b;
+	b->nle_flink = l;
 
-        return (e);
+	return (e);
 }
 
-
 #define InsertTailList(l, e)                    \
         do {                                    \
                 list_entry              *b;     \
@@ -120,7 +116,6 @@ RemoveTailList(list_entry *l)
                 (l)->nle_flink = (e);           \
         } while (0)
 
-
 #define ATK_DEBUG  1
 
 #if ATK_DEBUG
@@ -133,7 +128,6 @@ RemoveTailList(list_entry *l)
 #define SLIC_TIMESTAMP(value)
 #endif
 
-
 /******************  SXG DEFINES  *****************************************/
 
 #ifdef  ATKDBG
@@ -150,5 +144,4 @@ RemoveTailList(list_entry *l)
 #define WRITE_REG64(a,reg,value,cpu)                sxg_reg64_write((a),(&reg),(value),(cpu))
 #define READ_REG(reg,value)   (value) = readl((void __iomem *)(&reg))
 
-#endif  /* _SLIC_OS_SPECIFIC_H_  */
-
+#endif /* _SLIC_OS_SPECIFIC_H_  */
diff --git a/drivers/staging/sxg/sxghif.h b/drivers/staging/sxg/sxghif.h
index ed26ceaa131..88bffbaa3be 100644
--- a/drivers/staging/sxg/sxghif.h
+++ b/drivers/staging/sxg/sxghif.h
@@ -14,119 +14,119 @@
  *******************************************************************************/
 typedef struct _SXG_UCODE_REGS {
 	// Address 0 - 0x3F = Command codes 0-15 for TCB 0.  Excode 0
-	u32		Icr;			// Code = 0 (extended), ExCode = 0 - Int control
-	u32		RsvdReg1;		// Code = 1 - TOE -NA
-	u32		RsvdReg2;		// Code = 2 - TOE -NA
-	u32		RsvdReg3;		// Code = 3 - TOE -NA
-	u32		RsvdReg4;		// Code = 4 - TOE -NA
-	u32		RsvdReg5;		// Code = 5 - TOE -NA
-	u32		CardUp;			// Code = 6 - Microcode initialized when 1
-	u32		RsvdReg7;		// Code = 7 - TOE -NA
-	u32		CodeNotUsed[8];		// Codes 8-15 not used.  ExCode = 0
+	u32 Icr;		// Code = 0 (extended), ExCode = 0 - Int control
+	u32 RsvdReg1;		// Code = 1 - TOE -NA
+	u32 RsvdReg2;		// Code = 2 - TOE -NA
+	u32 RsvdReg3;		// Code = 3 - TOE -NA
+	u32 RsvdReg4;		// Code = 4 - TOE -NA
+	u32 RsvdReg5;		// Code = 5 - TOE -NA
+	u32 CardUp;		// Code = 6 - Microcode initialized when 1
+	u32 RsvdReg7;		// Code = 7 - TOE -NA
+	u32 CodeNotUsed[8];	// Codes 8-15 not used.  ExCode = 0
 	// This brings us to ExCode 1 at address 0x40 = Interrupt status pointer
-	u32		Isp;			// Code = 0 (extended), ExCode = 1
-	u32		PadEx1[15];		// Codes 1-15 not used with extended codes
+	u32 Isp;		// Code = 0 (extended), ExCode = 1
+	u32 PadEx1[15];		// Codes 1-15 not used with extended codes
 	// ExCode 2 = Interrupt Status Register
-	u32		Isr;			// Code = 0 (extended), ExCode = 2
-	u32		PadEx2[15];
+	u32 Isr;		// Code = 0 (extended), ExCode = 2
+	u32 PadEx2[15];
 	// ExCode 3 = Event base register.  Location of event rings
-	u32		EventBase;		// Code = 0 (extended), ExCode = 3
-	u32		PadEx3[15];
+	u32 EventBase;		// Code = 0 (extended), ExCode = 3
+	u32 PadEx3[15];
 	// ExCode 4 = Event ring size
-	u32		EventSize;		// Code = 0 (extended), ExCode = 4
-	u32		PadEx4[15];
+	u32 EventSize;		// Code = 0 (extended), ExCode = 4
+	u32 PadEx4[15];
 	// ExCode 5 = TCB Buffers base address
-	u32		TcbBase;		// Code = 0 (extended), ExCode = 5
-	u32		PadEx5[15];
+	u32 TcbBase;		// Code = 0 (extended), ExCode = 5
+	u32 PadEx5[15];
 	// ExCode 6 = TCB Composite Buffers base address
-	u32		TcbCompBase;		// Code = 0 (extended), ExCode = 6
-	u32		PadEx6[15];
+	u32 TcbCompBase;	// Code = 0 (extended), ExCode = 6
+	u32 PadEx6[15];
 	// ExCode 7 = Transmit ring base address
-	u32		XmtBase;		// Code = 0 (extended), ExCode = 7
-	u32		PadEx7[15];
+	u32 XmtBase;		// Code = 0 (extended), ExCode = 7
+	u32 PadEx7[15];
 	// ExCode 8 = Transmit ring size
-	u32		XmtSize;		// Code = 0 (extended), ExCode = 8
-	u32		PadEx8[15];
+	u32 XmtSize;		// Code = 0 (extended), ExCode = 8
+	u32 PadEx8[15];
 	// ExCode 9 = Receive ring base address
-	u32		RcvBase;		// Code = 0 (extended), ExCode = 9
-	u32		PadEx9[15];
+	u32 RcvBase;		// Code = 0 (extended), ExCode = 9
+	u32 PadEx9[15];
 	// ExCode 10 = Receive ring size
-	u32		RcvSize;		// Code = 0 (extended), ExCode = 10
-	u32		PadEx10[15];
+	u32 RcvSize;		// Code = 0 (extended), ExCode = 10
+	u32 PadEx10[15];
 	// ExCode 11 = Read EEPROM Config
-	u32		Config;			// Code = 0 (extended), ExCode = 11
-	u32		PadEx11[15];
+	u32 Config;		// Code = 0 (extended), ExCode = 11
+	u32 PadEx11[15];
 	// ExCode 12 = Multicast bits 31:0
-	u32		McastLow;		// Code = 0 (extended), ExCode = 12
-	u32		PadEx12[15];
+	u32 McastLow;		// Code = 0 (extended), ExCode = 12
+	u32 PadEx12[15];
 	// ExCode 13 = Multicast bits 63:32
-	u32		McastHigh;		// Code = 0 (extended), ExCode = 13
-	u32		PadEx13[15];
+	u32 McastHigh;		// Code = 0 (extended), ExCode = 13
+	u32 PadEx13[15];
 	// ExCode 14 = Ping
-	u32		Ping;			// Code = 0 (extended), ExCode = 14
-	u32		PadEx14[15];
+	u32 Ping;		// Code = 0 (extended), ExCode = 14
+	u32 PadEx14[15];
 	// ExCode 15 = Link MTU
-	u32		LinkMtu;		// Code = 0 (extended), ExCode = 15
-	u32		PadEx15[15];
+	u32 LinkMtu;		// Code = 0 (extended), ExCode = 15
+	u32 PadEx15[15];
 	// ExCode 16 = Download synchronization
-	u32		LoadSync;		// Code = 0 (extended), ExCode = 16
-	u32		PadEx16[15];
+	u32 LoadSync;		// Code = 0 (extended), ExCode = 16
+	u32 PadEx16[15];
 	// ExCode 17 = Upper DRAM address bits on 32-bit systems
-	u32		Upper;			// Code = 0 (extended), ExCode = 17
-	u32		PadEx17[15];
+	u32 Upper;		// Code = 0 (extended), ExCode = 17
+	u32 PadEx17[15];
 	// ExCode 18 = Slowpath Send Index Address
-	u32		SPSendIndex;		// Code = 0 (extended), ExCode = 18
-	u32		PadEx18[15];
-	u32		RsvdXF;			// Code = 0 (extended), ExCode = 19
-	u32		PadEx19[15];
+	u32 SPSendIndex;	// Code = 0 (extended), ExCode = 18
+	u32 PadEx18[15];
+	u32 RsvdXF;		// Code = 0 (extended), ExCode = 19
+	u32 PadEx19[15];
 	// ExCode 20 = Aggregation
-	u32		Aggregation;		// Code = 0 (extended), ExCode = 20
-	u32		PadEx20[15];
+	u32 Aggregation;	// Code = 0 (extended), ExCode = 20
+	u32 PadEx20[15];
 	// ExCode 21 = Receive MDL push timer
-	u32		PushTicks;		// Code = 0 (extended), ExCode = 21
-	u32		PadEx21[15];
+	u32 PushTicks;		// Code = 0 (extended), ExCode = 21
+	u32 PadEx21[15];
 	// ExCode 22 = TOE NA
-	u32		AckFrequency;		// Code = 0 (extended), ExCode = 22
-	u32		PadEx22[15];
+	u32 AckFrequency;	// Code = 0 (extended), ExCode = 22
+	u32 PadEx22[15];
 	// ExCode 23 = TOE NA
-	u32		RsvdReg23;
-	u32		PadEx23[15];
+	u32 RsvdReg23;
+	u32 PadEx23[15];
 	// ExCode 24 = TOE NA
-	u32		RsvdReg24;
-	u32		PadEx24[15];
+	u32 RsvdReg24;
+	u32 PadEx24[15];
 	// ExCode 25 = TOE NA
-	u32		RsvdReg25;		// Code = 0 (extended), ExCode = 25
-	u32		PadEx25[15];
+	u32 RsvdReg25;		// Code = 0 (extended), ExCode = 25
+	u32 PadEx25[15];
 	// ExCode 26 = Receive checksum requirements
-	u32		ReceiveChecksum;	// Code = 0 (extended), ExCode = 26
-	u32		PadEx26[15];
+	u32 ReceiveChecksum;	// Code = 0 (extended), ExCode = 26
+	u32 PadEx26[15];
 	// ExCode 27 = RSS Requirements
-	u32		Rss;			// Code = 0 (extended), ExCode = 27
-	u32		PadEx27[15];
+	u32 Rss;		// Code = 0 (extended), ExCode = 27
+	u32 PadEx27[15];
 	// ExCode 28 = RSS Table
-	u32		RssTable;		// Code = 0 (extended), ExCode = 28
-	u32		PadEx28[15];
+	u32 RssTable;		// Code = 0 (extended), ExCode = 28
+	u32 PadEx28[15];
 	// ExCode 29 = Event ring release entries
-	u32		EventRelease;		// Code = 0 (extended), ExCode = 29
-	u32		PadEx29[15];
+	u32 EventRelease;	// Code = 0 (extended), ExCode = 29
+	u32 PadEx29[15];
 	// ExCode 30 = Number of receive bufferlist commands on ring 0
-	u32		RcvCmd;			// Code = 0 (extended), ExCode = 30
-	u32		PadEx30[15];
+	u32 RcvCmd;		// Code = 0 (extended), ExCode = 30
+	u32 PadEx30[15];
 	// ExCode 31 = slowpath transmit command - Data[31:0] = 1
-	u32		XmtCmd;			// Code = 0 (extended), ExCode = 31
-	u32		PadEx31[15];
+	u32 XmtCmd;		// Code = 0 (extended), ExCode = 31
+	u32 PadEx31[15];
 	// ExCode 32 = Dump command
-	u32		DumpCmd;		// Code = 0 (extended), ExCode = 32
-	u32		PadEx32[15];
+	u32 DumpCmd;		// Code = 0 (extended), ExCode = 32
+	u32 PadEx32[15];
 	// ExCode 33 = Debug command
-	u32		DebugCmd;		// Code = 0 (extended), ExCode = 33
-	u32		PadEx33[15];
+	u32 DebugCmd;		// Code = 0 (extended), ExCode = 33
+	u32 PadEx33[15];
 	// There are 128 possible extended commands - each of account for 16
 	// words (including the non-relevent base command codes 1-15).
 	// Pad for the remainder of these here to bring us to the next CPU
 	// base.  As extended codes are added, reduce the first array value in
 	// the following field
-	u32		PadToNextCpu[94][16];	// 94 = 128 - 34 (34 = Excodes 0 - 33)
+	u32 PadToNextCpu[94][16];	// 94 = 128 - 34 (34 = Excodes 0 - 33)
 } SXG_UCODE_REGS, *PSXG_UCODE_REGS;
 
 // Interrupt control register (0) values
@@ -141,7 +141,7 @@ typedef struct _SXG_UCODE_REGS {
 
 // The Microcode supports up to 16 RSS queues
 #define SXG_MAX_RSS				16
-#define SXG_MAX_RSS_TABLE_SIZE	256		// 256-byte max
+#define SXG_MAX_RSS_TABLE_SIZE	256	// 256-byte max
 
 #define SXG_RSS_TCP6				0x00000001	// RSS TCP over IPv6
 #define SXG_RSS_TCP4				0x00000002	// RSS TCP over IPv4
@@ -170,16 +170,16 @@ typedef struct _SXG_UCODE_REGS {
  * SXG_UCODE_REGS definition above
  */
 typedef struct _SXG_TCB_REGS {
-	u32		ExCode;		/* Extended codes - see SXG_UCODE_REGS */
-	u32		Xmt;		/* Code = 1 - # of Xmt descriptors added to ring */
-	u32		Rcv;		/* Code = 2 - # of Rcv descriptors added to ring */
-	u32		Rsvd1;		/* Code = 3 - TOE NA */
-	u32		Rsvd2;		/* Code = 4 - TOE NA */
-	u32		Rsvd3;		/* Code = 5 - TOE NA */
-	u32		Invalid;	/* Code = 6 - Reserved for "CardUp" see above */
-	u32		Rsvd4;		/* Code = 7 - TOE NA */
-	u32		Rsvd5;		/* Code = 8 - TOE NA */
-	u32		Pad[7];		/* Codes 8-15 - Not used. */
+	u32 ExCode;		/* Extended codes - see SXG_UCODE_REGS */
+	u32 Xmt;		/* Code = 1 - # of Xmt descriptors added to ring */
+	u32 Rcv;		/* Code = 2 - # of Rcv descriptors added to ring */
+	u32 Rsvd1;		/* Code = 3 - TOE NA */
+	u32 Rsvd2;		/* Code = 4 - TOE NA */
+	u32 Rsvd3;		/* Code = 5 - TOE NA */
+	u32 Invalid;		/* Code = 6 - Reserved for "CardUp" see above */
+	u32 Rsvd4;		/* Code = 7 - TOE NA */
+	u32 Rsvd5;		/* Code = 8 - TOE NA */
+	u32 Pad[7];		/* Codes 8-15 - Not used. */
 } SXG_TCB_REGS, *PSXG_TCB_REGS;
 
 /***************************************************************************
@@ -273,27 +273,27 @@ typedef struct _SXG_TCB_REGS {
  */
 #pragma pack(push, 1)
 typedef struct _SXG_EVENT {
-	u32			Pad[1];		// not used
-	u32			SndUna;		// SndUna value
-	u32			Resid;		// receive MDL resid
+	u32 Pad[1];		// not used
+	u32 SndUna;		// SndUna value
+	u32 Resid;		// receive MDL resid
 	union {
-		void *		HostHandle;	// Receive host handle
-		u32		Rsvd1;		// TOE NA
+		void *HostHandle;	// Receive host handle
+		u32 Rsvd1;	// TOE NA
 		struct {
-			u32	NotUsed;
-			u32	Rsvd2;		// TOE NA
+			u32 NotUsed;
+			u32 Rsvd2;	// TOE NA
 		} Flush;
 	};
-	u32			Toeplitz;	// RSS Toeplitz hash
+	u32 Toeplitz;		// RSS Toeplitz hash
 	union {
-		ushort		Rsvd3;		// TOE NA
-		ushort		HdrOffset;	// Slowpath
+		ushort Rsvd3;	// TOE NA
+		ushort HdrOffset;	// Slowpath
 	};
-	ushort			Length;		//
-	unsigned char 		Rsvd4;		// TOE NA
-	unsigned char 		Code;		// Event code
-	unsigned char		CommandIndex;	// New ring index
-	unsigned char		Status;		// Event status
+	ushort Length;		//
+	unsigned char Rsvd4;	// TOE NA
+	unsigned char Code;	// Event code
+	unsigned char CommandIndex;	// New ring index
+	unsigned char Status;	// Event status
 } SXG_EVENT, *PSXG_EVENT;
 #pragma pack(pop)
 
@@ -318,12 +318,12 @@ typedef struct _SXG_EVENT {
 // Event ring
 // Size must be power of 2, between 128 and 16k
 #define EVENT_RING_SIZE		4096	// ??
-#define EVENT_RING_BATCH	16		// Hand entries back 16 at a time.
-#define EVENT_BATCH_LIMIT	256	    // Stop processing events after 256 (16 * 16)
+#define EVENT_RING_BATCH	16	// Hand entries back 16 at a time.
+#define EVENT_BATCH_LIMIT	256	// Stop processing events after 256 (16 * 16)
 
 typedef struct _SXG_EVENT_RING {
-	SXG_EVENT	Ring[EVENT_RING_SIZE];
-}SXG_EVENT_RING, *PSXG_EVENT_RING;
+	SXG_EVENT Ring[EVENT_RING_SIZE];
+} SXG_EVENT_RING, *PSXG_EVENT_RING;
 
 /***************************************************************************
  *
@@ -341,7 +341,7 @@ typedef struct _SXG_EVENT_RING {
 #define SXG_TCB_PER_BUCKET		16
 #define SXG_TCB_BUCKET_MASK		0xFF0	// Bucket portion of TCB ID
 #define SXG_TCB_ELEMENT_MASK	0x00F	// Element within bucket
-#define SXG_TCB_BUCKETS			256		// 256 * 16 = 4k
+#define SXG_TCB_BUCKETS			256	// 256 * 16 = 4k
 
 #define SXG_TCB_BUFFER_SIZE	512	// ASSERT format is correct
 
@@ -368,7 +368,6 @@ typedef struct _SXG_EVENT_RING {
 	&(_TcpObject)->CompBuffer->Frame.HasVlan.TcpIp6.Ip				:		\
 	&(_TcpObject)->CompBuffer->Frame.NoVlan.TcpIp6.Ip
 
-
 #if DBG
 // Horrible kludge to distinguish dumb-nic, slowpath, and
 // fastpath traffic.  Decrement the HopLimit by one
@@ -396,16 +395,16 @@ typedef struct _SXG_EVENT_RING {
  * Receive and transmit rings
  ***************************************************************************/
 #define SXG_MAX_RING_SIZE	256
-#define SXG_XMT_RING_SIZE	128		// Start with 128
-#define SXG_RCV_RING_SIZE	128		// Start with 128
+#define SXG_XMT_RING_SIZE	128	// Start with 128
+#define SXG_RCV_RING_SIZE	128	// Start with 128
 #define SXG_MAX_ENTRIES     4096
 
 // Structure and macros to manage a ring
 typedef struct _SXG_RING_INFO {
-	unsigned char			Head;		// Where we add entries - Note unsigned char:RING_SIZE
-	unsigned char			Tail;		// Where we pull off completed entries
-	ushort			Size;		// Ring size - Must be multiple of 2
-	void *			Context[SXG_MAX_RING_SIZE];	// Shadow ring
+	unsigned char Head;	// Where we add entries - Note unsigned char:RING_SIZE
+	unsigned char Tail;	// Where we pull off completed entries
+	ushort Size;		// Ring size - Must be multiple of 2
+	void *Context[SXG_MAX_RING_SIZE];	// Shadow ring
 } SXG_RING_INFO, *PSXG_RING_INFO;
 
 #define SXG_INITIALIZE_RING(_ring, _size) {							\
@@ -483,40 +482,40 @@ typedef struct _SXG_RING_INFO {
  */
 #pragma pack(push, 1)
 typedef struct _SXG_CMD {
-	dma_addr_t             			Sgl;			// Physical address of SGL
+	dma_addr_t Sgl;		// Physical address of SGL
 	union {
 		struct {
-			dma64_addr_t          	FirstSgeAddress;// Address of first SGE
-			u32					FirstSgeLength;	// Length of first SGE
+			dma64_addr_t FirstSgeAddress;	// Address of first SGE
+			u32 FirstSgeLength;	// Length of first SGE
 			union {
-				u32				Rsvd1;	        // TOE NA
-				u32				SgeOffset;		// Slowpath - 2nd SGE offset
-				u32				Resid;			// MDL completion - clobbers update
+				u32 Rsvd1;	// TOE NA
+				u32 SgeOffset;	// Slowpath - 2nd SGE offset
+				u32 Resid;	// MDL completion - clobbers update
 			};
 			union {
-				u32				TotalLength;	// Total transfer length
-				u32				Mss;			// LSO MSS
+				u32 TotalLength;	// Total transfer length
+				u32 Mss;	// LSO MSS
 			};
 		} Buffer;
 	};
 	union {
 		struct {
-			unsigned char					Flags:4;		// slowpath flags
-			unsigned char					IpHl:4;			// Ip header length (>>2)
-			unsigned char					MacLen;			// Mac header len
+			unsigned char Flags:4;	// slowpath flags
+			unsigned char IpHl:4;	// Ip header length (>>2)
+			unsigned char MacLen;	// Mac header len
 		} CsumFlags;
 		struct {
-			ushort					Flags:4;		// slowpath flags
-			ushort					TcpHdrOff:7;	// TCP
-			ushort					MacLen:5;		// Mac header len
+			ushort Flags:4;	// slowpath flags
+			ushort TcpHdrOff:7;	// TCP
+			ushort MacLen:5;	// Mac header len
 		} LsoFlags;
-		ushort						Flags;			// flags
+		ushort Flags;	// flags
 	};
 	union {
-		ushort						SgEntries;		// SG entry count including first sge
+		ushort SgEntries;	// SG entry count including first sge
 		struct {
-			unsigned char					Status;		    // Copied from event status
-			unsigned char					NotUsed;
+			unsigned char Status;	// Copied from event status
+			unsigned char NotUsed;
 		} Status;
 	};
 } SXG_CMD, *PSXG_CMD;
@@ -524,8 +523,8 @@ typedef struct _SXG_CMD {
 
 #pragma pack(push, 1)
 typedef struct _VLAN_HDR {
-	ushort	VlanTci;
-	ushort	VlanTpid;
+	ushort VlanTci;
+	ushort VlanTpid;
 } VLAN_HDR, *PVLAN_HDR;
 #pragma pack(pop)
 
@@ -561,16 +560,16 @@ typedef struct _VLAN_HDR {
  *
  */
 // Slowpath CMD flags
-#define SXG_SLOWCMD_CSUM_IP			0x01		// Checksum IP
-#define SXG_SLOWCMD_CSUM_TCP		0x02		// Checksum TCP
-#define SXG_SLOWCMD_LSO				0x04		// Large segment send
+#define SXG_SLOWCMD_CSUM_IP			0x01	// Checksum IP
+#define SXG_SLOWCMD_CSUM_TCP		0x02	// Checksum TCP
+#define SXG_SLOWCMD_LSO				0x04	// Large segment send
 
 typedef struct _SXG_XMT_RING {
-	SXG_CMD		Descriptors[SXG_XMT_RING_SIZE];
+	SXG_CMD Descriptors[SXG_XMT_RING_SIZE];
 } SXG_XMT_RING, *PSXG_XMT_RING;
 
 typedef struct _SXG_RCV_RING {
-	SXG_CMD		Descriptors[SXG_RCV_RING_SIZE];
+	SXG_CMD Descriptors[SXG_RCV_RING_SIZE];
 } SXG_RCV_RING, *PSXG_RCV_RING;
 
 /***************************************************************************
@@ -578,8 +577,8 @@ typedef struct _SXG_RCV_RING {
  * shared memory allocation
  ***************************************************************************/
 typedef enum {
-	SXG_BUFFER_TYPE_RCV,		// Receive buffer
-	SXG_BUFFER_TYPE_SGL			// SGL buffer
+	SXG_BUFFER_TYPE_RCV,	// Receive buffer
+	SXG_BUFFER_TYPE_SGL	// SGL buffer
 } SXG_BUFFER_TYPE;
 
 // State for SXG buffers
@@ -668,60 +667,60 @@ typedef enum {
 #define SXG_RCV_DATA_BUFFERS			4096	// Amount to give to the card
 #define SXG_INITIAL_RCV_DATA_BUFFERS	8192	// Initial pool of buffers
 #define SXG_MIN_RCV_DATA_BUFFERS		2048	// Minimum amount and when to get more
-#define SXG_MAX_RCV_BLOCKS				128		// = 16384 receive buffers
+#define SXG_MAX_RCV_BLOCKS				128	// = 16384 receive buffers
 
 // Receive buffer header
 typedef struct _SXG_RCV_DATA_BUFFER_HDR {
-	dma_addr_t          			PhysicalAddress;	// Buffer physical address
+	dma_addr_t PhysicalAddress;	// Buffer physical address
 	// Note - DO NOT USE the VirtualAddress field to locate data.
 	// Use the sxg.h:SXG_RECEIVE_DATA_LOCATION macro instead.
-	void *VirtualAddress;		// Start of buffer
-	LIST_ENTRY						FreeList;			// Free queue of buffers
-	struct _SXG_RCV_DATA_BUFFER_HDR	*Next;				// Fastpath data buffer queue
-	u32							Size;				// Buffer size
-	u32							ByteOffset;			// See SXG_RESTORE_MDL_OFFSET
-	unsigned char							State;				// See SXG_BUFFER state above
-	unsigned char							Status;				// Event status (to log PUSH)
-	struct sk_buff                * skb;				// Double mapped (nbl and pkt)
+	void *VirtualAddress;	// Start of buffer
+	LIST_ENTRY FreeList;	// Free queue of buffers
+	struct _SXG_RCV_DATA_BUFFER_HDR *Next;	// Fastpath data buffer queue
+	u32 Size;		// Buffer size
+	u32 ByteOffset;		// See SXG_RESTORE_MDL_OFFSET
+	unsigned char State;	// See SXG_BUFFER state above
+	unsigned char Status;	// Event status (to log PUSH)
+	struct sk_buff *skb;	// Double mapped (nbl and pkt)
 } SXG_RCV_DATA_BUFFER_HDR, *PSXG_RCV_DATA_BUFFER_HDR;
 
 // SxgSlowReceive uses the PACKET (skb) contained
 // in the SXG_RCV_DATA_BUFFER_HDR when indicating dumb-nic data
 #define SxgDumbRcvPacket	        skb
 
-#define SXG_RCV_DATA_HDR_SIZE			256		// Space for SXG_RCV_DATA_BUFFER_HDR
+#define SXG_RCV_DATA_HDR_SIZE			256	// Space for SXG_RCV_DATA_BUFFER_HDR
 #define SXG_RCV_DATA_BUFFER_SIZE		2048	// Non jumbo = 2k including HDR
 #define SXG_RCV_JUMBO_BUFFER_SIZE		10240	// jumbo = 10k including HDR
 
 // Receive data descriptor
 typedef struct _SXG_RCV_DATA_DESCRIPTOR {
 	union {
-		struct sk_buff    *	VirtualAddress;			// Host handle
-		u64 			ForceTo8Bytes;			// Force x86 to 8-byte boundary
+		struct sk_buff *VirtualAddress;	// Host handle
+		u64 ForceTo8Bytes;	// Force x86 to 8-byte boundary
 	};
-	dma_addr_t             	PhysicalAddress;
+	dma_addr_t PhysicalAddress;
 } SXG_RCV_DATA_DESCRIPTOR, *PSXG_RCV_DATA_DESCRIPTOR;
 
 // Receive descriptor block
 #define SXG_RCV_DESCRIPTORS_PER_BLOCK		128
 #define SXG_RCV_DESCRIPTOR_BLOCK_SIZE		2048	// For sanity check
 typedef struct _SXG_RCV_DESCRIPTOR_BLOCK {
-	SXG_RCV_DATA_DESCRIPTOR		Descriptors[SXG_RCV_DESCRIPTORS_PER_BLOCK];
+	SXG_RCV_DATA_DESCRIPTOR Descriptors[SXG_RCV_DESCRIPTORS_PER_BLOCK];
 } SXG_RCV_DESCRIPTOR_BLOCK, *PSXG_RCV_DESCRIPTOR_BLOCK;
 
 // Receive descriptor block header
 typedef struct _SXG_RCV_DESCRIPTOR_BLOCK_HDR {
-	void *					VirtualAddress;			// Start of 2k buffer
-	dma_addr_t	            PhysicalAddress;		// ..and it's physical address
-	LIST_ENTRY				FreeList;				// Free queue of descriptor blocks
-	unsigned char					State;					// See SXG_BUFFER state above
+	void *VirtualAddress;	// Start of 2k buffer
+	dma_addr_t PhysicalAddress;	// ..and it's physical address
+	LIST_ENTRY FreeList;	// Free queue of descriptor blocks
+	unsigned char State;	// See SXG_BUFFER state above
 } SXG_RCV_DESCRIPTOR_BLOCK_HDR, *PSXG_RCV_DESCRIPTOR_BLOCK_HDR;
 
 // Receive block header
 typedef struct _SXG_RCV_BLOCK_HDR {
-	void *					VirtualAddress;			// Start of virtual memory
-	dma_addr_t	            PhysicalAddress;		// ..and it's physical address
-	LIST_ENTRY				AllList;				// Queue of all SXG_RCV_BLOCKS
+	void *VirtualAddress;	// Start of virtual memory
+	dma_addr_t PhysicalAddress;	// ..and it's physical address
+	LIST_ENTRY AllList;	// Queue of all SXG_RCV_BLOCKS
 } SXG_RCV_BLOCK_HDR, *PSXG_RCV_BLOCK_HDR;
 
 // Macros to determine data structure offsets into receive block
@@ -747,8 +746,8 @@ typedef struct _SXG_RCV_BLOCK_HDR {
 // Use the miniport reserved portion of the NBL to locate
 // our SXG_RCV_DATA_BUFFER_HDR structure.
 typedef struct _SXG_RCV_NBL_RESERVED {
-	PSXG_RCV_DATA_BUFFER_HDR	RcvDataBufferHdr;
-	void *						Available;
+	PSXG_RCV_DATA_BUFFER_HDR RcvDataBufferHdr;
+	void *Available;
 } SXG_RCV_NBL_RESERVED, *PSXG_RCV_NBL_RESERVED;
 
 #define SXG_RCV_NBL_BUFFER_HDR(_NBL) (((PSXG_RCV_NBL_RESERVED)NET_BUFFER_LIST_MINIPORT_RESERVED(_NBL))->RcvDataBufferHdr)
@@ -760,12 +759,11 @@ typedef struct _SXG_RCV_NBL_RESERVED {
 #define SXG_MIN_SGL_BUFFERS			2048	// Minimum amount and when to get more
 #define SXG_MAX_SGL_BUFFERS			16384	// Maximum to allocate (note ADAPT:ushort)
 
-
 // Self identifying structure type
 typedef enum _SXG_SGL_TYPE {
-	SXG_SGL_DUMB,				// Dumb NIC SGL
-	SXG_SGL_SLOW,				// Slowpath protocol header - see below
-	SXG_SGL_CHIMNEY				// Chimney offload SGL
+	SXG_SGL_DUMB,		// Dumb NIC SGL
+	SXG_SGL_SLOW,		// Slowpath protocol header - see below
+	SXG_SGL_CHIMNEY		// Chimney offload SGL
 } SXG_SGL_TYPE, PSXG_SGL_TYPE;
 
 // Note - the description below is Microsoft specific
@@ -774,14 +772,14 @@ typedef enum _SXG_SGL_TYPE {
 // for the SCATTER_GATHER_LIST portion of the SXG_SCATTER_GATHER data structure.
 // The following considerations apply when setting this value:
 // - First, the Sahara card is designed to read the Microsoft SGL structure
-// 	 straight out of host memory.  This means that the SGL must reside in
-//	 shared memory.  If the length here is smaller than the SGL for the
-//	 NET_BUFFER, then NDIS will allocate its own buffer.  The buffer
-//	 that NDIS allocates is not in shared memory, so when this happens,
-//	 the SGL will need to be copied to a set of SXG_SCATTER_GATHER buffers.
-//	 In other words.. we don't want this value to be too small.
+//       straight out of host memory.  This means that the SGL must reside in
+//       shared memory.  If the length here is smaller than the SGL for the
+//       NET_BUFFER, then NDIS will allocate its own buffer.  The buffer
+//       that NDIS allocates is not in shared memory, so when this happens,
+//       the SGL will need to be copied to a set of SXG_SCATTER_GATHER buffers.
+//       In other words.. we don't want this value to be too small.
 // - On the other hand.. we're allocating up to 16k of these things.  If
-//	 we make this too big, we start to consume a ton of memory..
+//       we make this too big, we start to consume a ton of memory..
 // At the moment, I'm going to limit the number of SG entries to 150.
 // If each entry maps roughly 4k, then this should cover roughly 600kB
 // NET_BUFFERs.  Furthermore, since each entry is 24 bytes, the total
@@ -801,24 +799,23 @@ typedef enum _SXG_SGL_TYPE {
 // the SGL.  The following structure defines an x64
 // formatted SGL entry
 typedef struct _SXG_X64_SGE {
-    dma64_addr_t      	Address;	// same as wdm.h
-    u32				Length;		// same as wdm.h
-	u32				CompilerPad;// The compiler pads to 8-bytes
-    u64 			Reserved;	// u32 * in wdm.h.  Force to 8 bytes
+	dma64_addr_t Address;	// same as wdm.h
+	u32 Length;		// same as wdm.h
+	u32 CompilerPad;	// The compiler pads to 8-bytes
+	u64 Reserved;		// u32 * in wdm.h.  Force to 8 bytes
 } SXG_X64_SGE, *PSXG_X64_SGE;
 
 typedef struct _SCATTER_GATHER_ELEMENT {
-    dma64_addr_t      	Address;	// same as wdm.h
-    u32				Length;		// same as wdm.h
-	u32				CompilerPad;// The compiler pads to 8-bytes
-    u64 			Reserved;	// u32 * in wdm.h.  Force to 8 bytes
+	dma64_addr_t Address;	// same as wdm.h
+	u32 Length;		// same as wdm.h
+	u32 CompilerPad;	// The compiler pads to 8-bytes
+	u64 Reserved;		// u32 * in wdm.h.  Force to 8 bytes
 } SCATTER_GATHER_ELEMENT, *PSCATTER_GATHER_ELEMENT;
 
-
 typedef struct _SCATTER_GATHER_LIST {
-    u32					NumberOfElements;
-    u32 *				Reserved;
-    SCATTER_GATHER_ELEMENT	Elements[];
+	u32 NumberOfElements;
+	u32 *Reserved;
+	SCATTER_GATHER_ELEMENT Elements[];
 } SCATTER_GATHER_LIST, *PSCATTER_GATHER_LIST;
 
 // The card doesn't care about anything except elements, so
@@ -826,26 +823,26 @@ typedef struct _SCATTER_GATHER_LIST {
 // SGL structure.  But redefine from wdm.h:SCATTER_GATHER_LIST so
 // we can specify SXG_X64_SGE and define a fixed number of elements
 typedef struct _SXG_X64_SGL {
-    u32					NumberOfElements;
-    u32 *				Reserved;
-    SXG_X64_SGE				Elements[SXG_SGL_ENTRIES];
+	u32 NumberOfElements;
+	u32 *Reserved;
+	SXG_X64_SGE Elements[SXG_SGL_ENTRIES];
 } SXG_X64_SGL, *PSXG_X64_SGL;
 
 typedef struct _SXG_SCATTER_GATHER {
-	SXG_SGL_TYPE						Type;			// FIRST! Dumb-nic or offload
-	void *   							adapter;		// Back pointer to adapter
-	LIST_ENTRY							FreeList;		// Free SXG_SCATTER_GATHER blocks
-	LIST_ENTRY							AllList;		// All SXG_SCATTER_GATHER blocks
-	dma_addr_t				            PhysicalAddress;// physical address
-	unsigned char								State;			// See SXG_BUFFER state above
-	unsigned char								CmdIndex;		// Command ring index
-	struct sk_buff                    *	DumbPacket;		// Associated Packet
-	u32								Direction;		// For asynchronous completions
-	u32								CurOffset;		// Current SGL offset
-	u32								SglRef;			// SGL reference count
-	VLAN_HDR							VlanTag;		// VLAN tag to be inserted into SGL
-	PSCATTER_GATHER_LIST   				pSgl;			// SGL Addr. Possibly &Sgl
-	SXG_X64_SGL							Sgl;			// SGL handed to card
+	SXG_SGL_TYPE Type;	// FIRST! Dumb-nic or offload
+	void *adapter;		// Back pointer to adapter
+	LIST_ENTRY FreeList;	// Free SXG_SCATTER_GATHER blocks
+	LIST_ENTRY AllList;	// All SXG_SCATTER_GATHER blocks
+	dma_addr_t PhysicalAddress;	// physical address
+	unsigned char State;	// See SXG_BUFFER state above
+	unsigned char CmdIndex;	// Command ring index
+	struct sk_buff *DumbPacket;	// Associated Packet
+	u32 Direction;		// For asynchronous completions
+	u32 CurOffset;		// Current SGL offset
+	u32 SglRef;		// SGL reference count
+	VLAN_HDR VlanTag;	// VLAN tag to be inserted into SGL
+	PSCATTER_GATHER_LIST pSgl;	// SGL Addr. Possibly &Sgl
+	SXG_X64_SGL Sgl;	// SGL handed to card
 } SXG_SCATTER_GATHER, *PSXG_SCATTER_GATHER;
 
 #if defined(CONFIG_X86_64)
@@ -856,6 +853,5 @@ typedef struct _SXG_SCATTER_GATHER {
 #define SXG_SGL_BUFFER(_SxgSgl)		NULL
 #define SXG_SGL_BUF_SIZE			0
 #else
-    Stop Compilation;
+Stop Compilation;
 #endif
-
diff --git a/drivers/staging/sxg/sxghw.h b/drivers/staging/sxg/sxghw.h
index 8f4f6effdd9..870eef3f9d5 100644
--- a/drivers/staging/sxg/sxghw.h
+++ b/drivers/staging/sxg/sxghw.h
@@ -141,7 +141,7 @@ typedef struct _SXG_HW_REGS {
 #define SXG_REGISTER_SIZE_PER_CPU	0x00002000	// Used to sanity check UCODE_REGS structure
 
 // Sahara receive sequencer status values
-#define SXG_RCV_STATUS_ATTN					0x80000000	// Attention
+#define SXG_RCV_STATUS_ATTN			0x80000000	// Attention
 #define SXG_RCV_STATUS_TRANSPORT_MASK		0x3F000000	// Transport mask
 #define SXG_RCV_STATUS_TRANSPORT_ERROR		0x20000000	// Transport error
 #define SXG_RCV_STATUS_TRANSPORT_CSUM		0x23000000	// Transport cksum error
@@ -156,9 +156,9 @@ typedef struct _SXG_HW_REGS {
 #define SXG_RCV_STATUS_TRANSPORT_FTP		0x03000000	// Transport FTP
 #define SXG_RCV_STATUS_TRANSPORT_HTTP		0x02000000	// Transport HTTP
 #define SXG_RCV_STATUS_TRANSPORT_SMB		0x01000000	// Transport SMB
-#define SXG_RCV_STATUS_NETWORK_MASK			0x00FF0000	// Network mask
+#define SXG_RCV_STATUS_NETWORK_MASK		0x00FF0000	// Network mask
 #define SXG_RCV_STATUS_NETWORK_ERROR		0x00800000	// Network error
-#define SXG_RCV_STATUS_NETWORK_CSUM			0x00830000	// Network cksum error
+#define SXG_RCV_STATUS_NETWORK_CSUM		0x00830000	// Network cksum error
 #define SXG_RCV_STATUS_NETWORK_UFLOW		0x00820000	// Network underflow error
 #define SXG_RCV_STATUS_NETWORK_HDRLEN		0x00800000	// Network header length
 #define SXG_RCV_STATUS_NETWORK_OFLOW		0x00400000	// Network overflow detected
@@ -167,67 +167,67 @@ typedef struct _SXG_HW_REGS {
 #define SXG_RCV_STATUS_NETWORK_OFFSET		0x00080000	// Network offset detected
 #define SXG_RCV_STATUS_NETWORK_FRAGMENT		0x00040000	// Network fragment detected
 #define SXG_RCV_STATUS_NETWORK_TRANS_MASK	0x00030000	// Network transport type mask
-#define SXG_RCV_STATUS_NETWORK_UDP			0x00020000	// UDP
-#define SXG_RCV_STATUS_NETWORK_TCP			0x00010000	// TCP
-#define SXG_RCV_STATUS_IPONLY				0x00008000	// IP-only not TCP
-#define SXG_RCV_STATUS_PKT_PRI				0x00006000	// Receive priority
-#define SXG_RCV_STATUS_PKT_PRI_SHFT					13	// Receive priority shift
-#define SXG_RCV_STATUS_PARITY				0x00001000	// MAC Receive RAM parity error
-#define SXG_RCV_STATUS_ADDRESS_MASK			0x00000F00	// Link address detection mask
-#define SXG_RCV_STATUS_ADDRESS_D			0x00000B00	// Link address D
-#define SXG_RCV_STATUS_ADDRESS_C			0x00000A00	// Link address C
-#define SXG_RCV_STATUS_ADDRESS_B			0x00000900	// Link address B
-#define SXG_RCV_STATUS_ADDRESS_A			0x00000800	// Link address A
+#define SXG_RCV_STATUS_NETWORK_UDP		0x00020000	// UDP
+#define SXG_RCV_STATUS_NETWORK_TCP		0x00010000	// TCP
+#define SXG_RCV_STATUS_IPONLY			0x00008000	// IP-only not TCP
+#define SXG_RCV_STATUS_PKT_PRI			0x00006000	// Receive priority
+#define SXG_RCV_STATUS_PKT_PRI_SHFT			13	// Receive priority shift
+#define SXG_RCV_STATUS_PARITY			0x00001000	// MAC Receive RAM parity error
+#define SXG_RCV_STATUS_ADDRESS_MASK		0x00000F00	// Link address detection mask
+#define SXG_RCV_STATUS_ADDRESS_D		0x00000B00	// Link address D
+#define SXG_RCV_STATUS_ADDRESS_C		0x00000A00	// Link address C
+#define SXG_RCV_STATUS_ADDRESS_B		0x00000900	// Link address B
+#define SXG_RCV_STATUS_ADDRESS_A		0x00000800	// Link address A
 #define SXG_RCV_STATUS_ADDRESS_BCAST		0x00000300	// Link address broadcast
 #define SXG_RCV_STATUS_ADDRESS_MCAST		0x00000200	// Link address multicast
 #define SXG_RCV_STATUS_ADDRESS_CMCAST		0x00000100	// Link control multicast
-#define SXG_RCV_STATUS_LINK_MASK			0x000000FF	// Link status mask
-#define SXG_RCV_STATUS_LINK_ERROR			0x00000080	// Link error
-#define SXG_RCV_STATUS_LINK_MASK			0x000000FF	// Link status mask
-#define SXG_RCV_STATUS_LINK_PARITY			0x00000087	// RcvMacQ parity error
-#define SXG_RCV_STATUS_LINK_EARLY			0x00000086	// Data early
+#define SXG_RCV_STATUS_LINK_MASK		0x000000FF	// Link status mask
+#define SXG_RCV_STATUS_LINK_ERROR		0x00000080	// Link error
+#define SXG_RCV_STATUS_LINK_MASK		0x000000FF	// Link status mask
+#define SXG_RCV_STATUS_LINK_PARITY		0x00000087	// RcvMacQ parity error
+#define SXG_RCV_STATUS_LINK_EARLY		0x00000086	// Data early
 #define SXG_RCV_STATUS_LINK_BUFOFLOW		0x00000085	// Buffer overflow
-#define SXG_RCV_STATUS_LINK_CODE			0x00000084	// Link code error
-#define SXG_RCV_STATUS_LINK_DRIBBLE			0x00000083	// Dribble nibble
-#define SXG_RCV_STATUS_LINK_CRC				0x00000082	// CRC error
-#define SXG_RCV_STATUS_LINK_OFLOW			0x00000081	// Link overflow
-#define SXG_RCV_STATUS_LINK_UFLOW			0x00000080	// Link underflow
-#define SXG_RCV_STATUS_LINK_8023			0x00000020	// 802.3
-#define SXG_RCV_STATUS_LINK_SNAP			0x00000010	// Snap
-#define SXG_RCV_STATUS_LINK_VLAN			0x00000008	// VLAN
+#define SXG_RCV_STATUS_LINK_CODE		0x00000084	// Link code error
+#define SXG_RCV_STATUS_LINK_DRIBBLE		0x00000083	// Dribble nibble
+#define SXG_RCV_STATUS_LINK_CRC			0x00000082	// CRC error
+#define SXG_RCV_STATUS_LINK_OFLOW		0x00000081	// Link overflow
+#define SXG_RCV_STATUS_LINK_UFLOW		0x00000080	// Link underflow
+#define SXG_RCV_STATUS_LINK_8023		0x00000020	// 802.3
+#define SXG_RCV_STATUS_LINK_SNAP		0x00000010	// Snap
+#define SXG_RCV_STATUS_LINK_VLAN		0x00000008	// VLAN
 #define SXG_RCV_STATUS_LINK_TYPE_MASK		0x00000007	// Network type mask
-#define SXG_RCV_STATUS_LINK_CONTROL			0x00000003	// Control packet
-#define SXG_RCV_STATUS_LINK_IPV6			0x00000002	// IPv6 packet
-#define SXG_RCV_STATUS_LINK_IPV4			0x00000001	// IPv4 packet
+#define SXG_RCV_STATUS_LINK_CONTROL		0x00000003	// Control packet
+#define SXG_RCV_STATUS_LINK_IPV6		0x00000002	// IPv6 packet
+#define SXG_RCV_STATUS_LINK_IPV4		0x00000001	// IPv4 packet
 
 /***************************************************************************
  * Sahara receive and transmit configuration registers
  ***************************************************************************/
-#define	RCV_CONFIG_RESET			0x80000000	// RcvConfig register reset
-#define	RCV_CONFIG_ENABLE			0x40000000	// Enable the receive logic
-#define	RCV_CONFIG_ENPARSE			0x20000000	// Enable the receive parser
-#define	RCV_CONFIG_SOCKET			0x10000000	// Enable the socket detector
-#define	RCV_CONFIG_RCVBAD			0x08000000	// Receive all bad frames
-#define	RCV_CONFIG_CONTROL			0x04000000	// Receive all control frames
-#define	RCV_CONFIG_RCVPAUSE			0x02000000	// Enable pause transmit when attn
-#define	RCV_CONFIG_TZIPV6			0x01000000	// Include TCP port w/ IPv6 toeplitz
-#define	RCV_CONFIG_TZIPV4			0x00800000	// Include TCP port w/ IPv4 toeplitz
-#define	RCV_CONFIG_FLUSH			0x00400000	// Flush buffers
+#define	RCV_CONFIG_RESET		0x80000000	// RcvConfig register reset
+#define	RCV_CONFIG_ENABLE		0x40000000	// Enable the receive logic
+#define	RCV_CONFIG_ENPARSE		0x20000000	// Enable the receive parser
+#define	RCV_CONFIG_SOCKET		0x10000000	// Enable the socket detector
+#define	RCV_CONFIG_RCVBAD		0x08000000	// Receive all bad frames
+#define	RCV_CONFIG_CONTROL		0x04000000	// Receive all control frames
+#define	RCV_CONFIG_RCVPAUSE		0x02000000	// Enable pause transmit when attn
+#define	RCV_CONFIG_TZIPV6		0x01000000	// Include TCP port w/ IPv6 toeplitz
+#define	RCV_CONFIG_TZIPV4		0x00800000	// Include TCP port w/ IPv4 toeplitz
+#define	RCV_CONFIG_FLUSH		0x00400000	// Flush buffers
 #define	RCV_CONFIG_PRIORITY_MASK	0x00300000	// Priority level
 #define	RCV_CONFIG_HASH_MASK		0x00030000	// Hash depth
-#define	RCV_CONFIG_HASH_8			0x00000000	// Hash depth 8
-#define	RCV_CONFIG_HASH_16			0x00010000	// Hash depth 16
-#define	RCV_CONFIG_HASH_4			0x00020000	// Hash depth 4
-#define	RCV_CONFIG_HASH_2			0x00030000	// Hash depth 2
+#define	RCV_CONFIG_HASH_8		0x00000000	// Hash depth 8
+#define	RCV_CONFIG_HASH_16		0x00010000	// Hash depth 16
+#define	RCV_CONFIG_HASH_4		0x00020000	// Hash depth 4
+#define	RCV_CONFIG_HASH_2		0x00030000	// Hash depth 2
 #define	RCV_CONFIG_BUFLEN_MASK		0x0000FFF0	// Buffer length bits 15:4. ie multiple of 16.
-#define RCV_CONFIG_SKT_DIS			0x00000008	// Disable socket detection on attn
+#define RCV_CONFIG_SKT_DIS		0x00000008	// Disable socket detection on attn
 // Macro to determine RCV_CONFIG_BUFLEN based on maximum frame size.
 // We add 18 bytes for Sahara receive status and padding, plus 4 bytes for CRC,
 // and round up to nearest 16 byte boundary
 #define RCV_CONFIG_BUFSIZE(_MaxFrame) ((((_MaxFrame) + 22) + 15) & RCV_CONFIG_BUFLEN_MASK)
 
-#define	XMT_CONFIG_RESET			0x80000000	// XmtConfig register reset
-#define	XMT_CONFIG_ENABLE			0x40000000	// Enable transmit logic
+#define	XMT_CONFIG_RESET		0x80000000	// XmtConfig register reset
+#define	XMT_CONFIG_ENABLE		0x40000000	// Enable transmit logic
 #define	XMT_CONFIG_MAC_PARITY		0x20000000	// Inhibit MAC RAM parity error
 #define	XMT_CONFIG_BUF_PARITY		0x10000000	// Inhibit D2F buffer parity error
 #define	XMT_CONFIG_MEM_PARITY		0x08000000	// Inhibit 1T SRAM parity error
@@ -249,9 +249,9 @@ typedef struct _SXG_HW_REGS {
 
 // A-XGMAC Configuration Register 1
 #define AXGMAC_CFG1_XMT_PAUSE		0x80000000		// Allow the sending of Pause frames
-#define AXGMAC_CFG1_XMT_EN			0x40000000		// Enable transmit
+#define AXGMAC_CFG1_XMT_EN		0x40000000		// Enable transmit
 #define AXGMAC_CFG1_RCV_PAUSE		0x20000000		// Allow the detection of Pause frames
-#define AXGMAC_CFG1_RCV_EN			0x10000000		// Enable receive
+#define AXGMAC_CFG1_RCV_EN		0x10000000		// Enable receive
 #define AXGMAC_CFG1_XMT_STATE		0x04000000		// Current transmit state - READ ONLY
 #define AXGMAC_CFG1_RCV_STATE		0x01000000		// Current receive state - READ ONLY
 #define AXGMAC_CFG1_XOFF_SHORT		0x00001000		// Only pause for 64 slot on XOFF
@@ -262,24 +262,24 @@ typedef struct _SXG_HW_REGS {
 #define AXGMAC_CFG1_RCV_FCS2		0x00000200		// Delay receive FCS 2 4-byte words
 #define AXGMAC_CFG1_RCV_FCS3		0x00000300		// Delay receive FCS 3 4-byte words
 #define AXGMAC_CFG1_PKT_OVERRIDE	0x00000080		// Per-packet override enable
-#define AXGMAC_CFG1_SWAP			0x00000040		// Byte swap enable
+#define AXGMAC_CFG1_SWAP		0x00000040		// Byte swap enable
 #define AXGMAC_CFG1_SHORT_ASSERT	0x00000020		// ASSERT srdrpfrm on short frame (<64)
 #define AXGMAC_CFG1_RCV_STRICT		0x00000010		// RCV only 802.3AE when CLEAR
 #define AXGMAC_CFG1_CHECK_LEN		0x00000008		// Verify frame length
-#define AXGMAC_CFG1_GEN_FCS			0x00000004		// Generate FCS
+#define AXGMAC_CFG1_GEN_FCS		0x00000004		// Generate FCS
 #define AXGMAC_CFG1_PAD_MASK		0x00000003		// Mask for pad bits
-#define AXGMAC_CFG1_PAD_64			0x00000001		// Pad frames to 64 bytes
+#define AXGMAC_CFG1_PAD_64		0x00000001		// Pad frames to 64 bytes
 #define AXGMAC_CFG1_PAD_VLAN		0x00000002		// Detect VLAN and pad to 68 bytes
-#define AXGMAC_CFG1_PAD_68			0x00000003		// Pad to 68 bytes
+#define AXGMAC_CFG1_PAD_68		0x00000003		// Pad to 68 bytes
 
 // A-XGMAC Configuration Register 2
 #define AXGMAC_CFG2_GEN_PAUSE		0x80000000		// Generate single pause frame (test)
 #define AXGMAC_CFG2_LF_MANUAL		0x08000000		// Manual link fault sequence
-#define AXGMAC_CFG2_LF_AUTO			0x04000000		// Auto link fault sequence
+#define AXGMAC_CFG2_LF_AUTO		0x04000000		// Auto link fault sequence
 #define AXGMAC_CFG2_LF_REMOTE		0x02000000		// Remote link fault (READ ONLY)
 #define AXGMAC_CFG2_LF_LOCAL		0x01000000		// Local link fault (READ ONLY)
 #define AXGMAC_CFG2_IPG_MASK		0x001F0000		// Inter packet gap
-#define AXGMAC_CFG2_IPG_SHIFT		16
+#define AXGMAC_CFG2_IPG_SHIFT			16
 #define AXGMAC_CFG2_PAUSE_XMT		0x00008000		// Pause transmit module
 #define AXGMAC_CFG2_IPG_EXTEN		0x00000020		// Enable IPG extension algorithm
 #define AXGMAC_CFG2_IPGEX_MASK		0x0000001F		// IPG extension
@@ -299,9 +299,9 @@ typedef struct _SXG_HW_REGS {
 #define AXGMAC_SARHIGH_OCTET_SIX	0x00FF0000		// Sixth octet
 
 // A-XGMAC Maximum frame length register
-#define AXGMAC_MAXFRAME_XMT			0x3FFF0000		// Maximum transmit frame length
+#define AXGMAC_MAXFRAME_XMT		0x3FFF0000		// Maximum transmit frame length
 #define AXGMAC_MAXFRAME_XMT_SHIFT	16
-#define AXGMAC_MAXFRAME_RCV			0x0000FFFF		// Maximum receive frame length
+#define AXGMAC_MAXFRAME_RCV		0x0000FFFF		// Maximum receive frame length
 // This register doesn't need to be written for standard MTU.
 // For jumbo, I'll just statically define the value here.  This
 // value sets the receive byte count to 9036 (0x234C) and the
@@ -324,34 +324,34 @@ typedef struct _SXG_HW_REGS {
 
 // A-XGMAC AMIIM Field Register
 #define AXGMAC_AMIIM_FIELD_ST		0xC0000000		// 2-bit ST field
-#define AXGMAC_AMIIM_FIELD_ST_SHIFT			30
+#define AXGMAC_AMIIM_FIELD_ST_SHIFT		30
 #define AXGMAC_AMIIM_FIELD_OP		0x30000000		// 2-bit OP field
-#define AXGMAC_AMIIM_FIELD_OP_SHIFT			28
-#define AXGMAC_AMIIM_FIELD_PORT_ADDR 0x0F800000		// Port address field (hstphyadx in spec)
+#define AXGMAC_AMIIM_FIELD_OP_SHIFT		28
+#define AXGMAC_AMIIM_FIELD_PORT_ADDR	0x0F800000		// Port address field (hstphyadx in spec)
 #define AXGMAC_AMIIM_FIELD_PORT_SHIFT		23
 #define AXGMAC_AMIIM_FIELD_DEV_ADDR	0x007C0000		// Device address field (hstregadx in spec)
 #define AXGMAC_AMIIM_FIELD_DEV_SHIFT		18
 #define AXGMAC_AMIIM_FIELD_TA		0x00030000		// 2-bit TA field
-#define AXGMAC_AMIIM_FIELD_TA_SHIFT			16
+#define AXGMAC_AMIIM_FIELD_TA_SHIFT		16
 #define AXGMAC_AMIIM_FIELD_DATA		0x0000FFFF		// Data field
 
 // Values for the AXGMAC_AMIIM_FIELD_OP field in the A-XGMAC AMIIM Field Register
-#define	MIIM_OP_ADDR						0		// MIIM Address set operation
-#define	MIIM_OP_WRITE						1		// MIIM Write register operation
-#define	MIIM_OP_READ						2		// MIIM Read register operation
+#define	MIIM_OP_ADDR				0		// MIIM Address set operation
+#define	MIIM_OP_WRITE				1		// MIIM Write register operation
+#define	MIIM_OP_READ				2		// MIIM Read register operation
 #define	MIIM_OP_ADDR_SHIFT	(MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT)
 
 // Values for the AXGMAC_AMIIM_FIELD_PORT_ADDR field in the A-XGMAC AMIIM Field Register
-#define	MIIM_PORT_NUM						1		// All Sahara MIIM modules use port 1
+#define	MIIM_PORT_NUM				1		// All Sahara MIIM modules use port 1
 
 // Values for the AXGMAC_AMIIM_FIELD_DEV_ADDR field in the A-XGMAC AMIIM Field Register
-#define	MIIM_DEV_PHY_PMA					1		// PHY PMA/PMD module MIIM device number
-#define	MIIM_DEV_PHY_PCS					3		// PHY PCS module MIIM device number
-#define	MIIM_DEV_PHY_XS						4		// PHY XS module MIIM device number
-#define	MIIM_DEV_XGXS						5		// XGXS MIIM device number
+#define	MIIM_DEV_PHY_PMA			1		// PHY PMA/PMD module MIIM device number
+#define	MIIM_DEV_PHY_PCS			3		// PHY PCS module MIIM device number
+#define	MIIM_DEV_PHY_XS				4		// PHY XS module MIIM device number
+#define	MIIM_DEV_XGXS				5		// XGXS MIIM device number
 
 // Values for the AXGMAC_AMIIM_FIELD_TA field in the A-XGMAC AMIIM Field Register
-#define	MIIM_TA_10GB						2		// set to 2 for 10 GB operation
+#define	MIIM_TA_10GB				2		// set to 2 for 10 GB operation
 
 // A-XGMAC AMIIM Configuration Register
 #define AXGMAC_AMIIM_CFG_NOPREAM	0x00000080		// Bypass preamble of mngmt frame
@@ -365,25 +365,25 @@ typedef struct _SXG_HW_REGS {
 #define AXGMAC_AMIIM_INDC_BUSY		0x00000001		// Set until cmd operation complete
 
 // Link Status and Control Register
-#define	LS_PHY_CLR_RESET			0x80000000		// Clear reset signal to PHY
+#define	LS_PHY_CLR_RESET		0x80000000		// Clear reset signal to PHY
 #define	LS_SERDES_POWER_DOWN		0x40000000		// Power down the Sahara Serdes
-#define	LS_XGXS_ENABLE				0x20000000		// Enable the XAUI XGXS logic
-#define	LS_XGXS_CTL					0x10000000		// Hold XAUI XGXS logic reset until Serdes is up
-#define	LS_SERDES_DOWN				0x08000000		// When 0, XAUI Serdes is up and initialization is complete
-#define	LS_TRACE_DOWN				0x04000000		// When 0, Trace Serdes is up and initialization is complete
-#define	LS_PHY_CLK_25MHZ			0x02000000		// Set PHY clock to 25 MHz (else 156.125 MHz)
-#define	LS_PHY_CLK_EN				0x01000000		// Enable clock to PHY
-#define	LS_XAUI_LINK_UP				0x00000010		// XAUI link is up
-#define	LS_XAUI_LINK_CHNG			0x00000008		// XAUI link status has changed
-#define	LS_LINK_ALARM				0x00000004		// Link alarm pin
-#define	LS_ATTN_CTRL_MASK			0x00000003		// Mask link attention control bits
-#define	LS_ATTN_ALARM				0x00000000		// 00 => Attn on link alarm
+#define	LS_XGXS_ENABLE			0x20000000		// Enable the XAUI XGXS logic
+#define	LS_XGXS_CTL			0x10000000		// Hold XAUI XGXS logic reset until Serdes is up
+#define	LS_SERDES_DOWN			0x08000000		// When 0, XAUI Serdes is up and initialization is complete
+#define	LS_TRACE_DOWN			0x04000000		// When 0, Trace Serdes is up and initialization is complete
+#define	LS_PHY_CLK_25MHZ		0x02000000		// Set PHY clock to 25 MHz (else 156.125 MHz)
+#define	LS_PHY_CLK_EN			0x01000000		// Enable clock to PHY
+#define	LS_XAUI_LINK_UP			0x00000010		// XAUI link is up
+#define	LS_XAUI_LINK_CHNG		0x00000008		// XAUI link status has changed
+#define	LS_LINK_ALARM			0x00000004		// Link alarm pin
+#define	LS_ATTN_CTRL_MASK		0x00000003		// Mask link attention control bits
+#define	LS_ATTN_ALARM			0x00000000		// 00 => Attn on link alarm
 #define	LS_ATTN_ALARM_OR_STAT_CHNG	0x00000001		// 01 => Attn on link alarm or status change
-#define	LS_ATTN_STAT_CHNG			0x00000002		// 10 => Attn on link status change
-#define	LS_ATTN_NONE				0x00000003		// 11 => no Attn
+#define	LS_ATTN_STAT_CHNG		0x00000002		// 10 => Attn on link status change
+#define	LS_ATTN_NONE			0x00000003		// 11 => no Attn
 
 // Link Address High Registers
-#define	LINK_ADDR_ENABLE			0x80000000		// Enable this link address
+#define	LINK_ADDR_ENABLE		0x80000000		// Enable this link address
 
 
 /***************************************************************************
@@ -396,7 +396,7 @@ typedef struct _SXG_HW_REGS {
 #define XGXS_ADDRESS_STATUS1		0x0001			// XS Status 1
 #define XGXS_ADDRESS_DEVID_LOW		0x0002			// XS Device ID (low)
 #define XGXS_ADDRESS_DEVID_HIGH		0x0003			// XS Device ID (high)
-#define XGXS_ADDRESS_SPEED			0x0004			// XS Speed ability
+#define XGXS_ADDRESS_SPEED		0x0004			// XS Speed ability
 #define XGXS_ADDRESS_DEV_LOW		0x0005			// XS Devices in package
 #define XGXS_ADDRESS_DEV_HIGH		0x0006			// XS Devices in package
 #define XGXS_ADDRESS_STATUS2		0x0008			// XS Status 2
@@ -410,27 +410,27 @@ typedef struct _SXG_HW_REGS {
 #define XGXS_ADDRESS_RESET_HI2		0x8003			// Vendor-Specific Reset Hi 2
 
 // XS Control 1 register bit definitions
-#define XGXS_CONTROL1_RESET			0x8000			// Reset - self clearing
+#define XGXS_CONTROL1_RESET		0x8000			// Reset - self clearing
 #define XGXS_CONTROL1_LOOPBACK		0x4000			// Enable loopback
 #define XGXS_CONTROL1_SPEED1		0x2000			// 0 = unspecified, 1 = 10Gb+
 #define XGXS_CONTROL1_LOWPOWER		0x0400			// 1 = Low power mode
 #define XGXS_CONTROL1_SPEED2		0x0040			// Same as SPEED1 (?)
-#define XGXS_CONTROL1_SPEED			0x003C			// Everything reserved except zero (?)
+#define XGXS_CONTROL1_SPEED		0x003C			// Everything reserved except zero (?)
 
 // XS Status 1 register bit definitions
-#define XGXS_STATUS1_FAULT			0x0080			// Fault detected
-#define XGXS_STATUS1_LINK			0x0004			// 1 = Link up
+#define XGXS_STATUS1_FAULT		0x0080			// Fault detected
+#define XGXS_STATUS1_LINK		0x0004			// 1 = Link up
 #define XGXS_STATUS1_LOWPOWER		0x0002			// 1 = Low power supported
 
 // XS Speed register bit definitions
-#define XGXS_SPEED_10G				0x0001			// 1 = 10G capable
+#define XGXS_SPEED_10G			0x0001			// 1 = 10G capable
 
 // XS Devices register bit definitions
-#define XGXS_DEVICES_DTE			0x0020			// DTE XS Present
-#define XGXS_DEVICES_PHY			0x0010			// PHY XS Present
-#define XGXS_DEVICES_PCS			0x0008			// PCS Present
-#define XGXS_DEVICES_WIS			0x0004			// WIS Present
-#define XGXS_DEVICES_PMD			0x0002			// PMD/PMA Present
+#define XGXS_DEVICES_DTE		0x0020			// DTE XS Present
+#define XGXS_DEVICES_PHY		0x0010			// PHY XS Present
+#define XGXS_DEVICES_PCS		0x0008			// PCS Present
+#define XGXS_DEVICES_WIS		0x0004			// WIS Present
+#define XGXS_DEVICES_PMD		0x0002			// PMD/PMA Present
 #define XGXS_DEVICES_CLAUSE22		0x0001			// Clause 22 registers present
 
 // XS Devices High register bit definitions
@@ -444,18 +444,18 @@ typedef struct _SXG_HW_REGS {
 #define XGXS_STATUS2_RCV_FAULT		0x0400			// Receive fault
 
 // XS Package ID High register bit definitions
-#define XGXS_PKGID_HIGH_ORG			0xFC00			// Organizationally Unique
-#define XGXS_PKGID_HIGH_MFG			0x03F0			// Manufacturer Model
-#define XGXS_PKGID_HIGH_REV			0x000F			// Revision Number
+#define XGXS_PKGID_HIGH_ORG		0xFC00			// Organizationally Unique
+#define XGXS_PKGID_HIGH_MFG		0x03F0			// Manufacturer Model
+#define XGXS_PKGID_HIGH_REV		0x000F			// Revision Number
 
 // XS Lane Status register bit definitions
-#define XGXS_LANE_PHY				0x1000			// PHY/DTE lane alignment status
-#define XGXS_LANE_PATTERN			0x0800			// Pattern testing ability
-#define XGXS_LANE_LOOPBACK			0x0400			// PHY loopback ability
-#define XGXS_LANE_SYNC3				0x0008			// Lane 3 sync
-#define XGXS_LANE_SYNC2				0x0004			// Lane 2 sync
-#define XGXS_LANE_SYNC1				0x0002			// Lane 1 sync
-#define XGXS_LANE_SYNC0				0x0001			// Lane 0 sync
+#define XGXS_LANE_PHY			0x1000			// PHY/DTE lane alignment status
+#define XGXS_LANE_PATTERN		0x0800			// Pattern testing ability
+#define XGXS_LANE_LOOPBACK		0x0400			// PHY loopback ability
+#define XGXS_LANE_SYNC3			0x0008			// Lane 3 sync
+#define XGXS_LANE_SYNC2			0x0004			// Lane 2 sync
+#define XGXS_LANE_SYNC1			0x0002			// Lane 1 sync
+#define XGXS_LANE_SYNC0			0x0001			// Lane 0 sync
 
 // XS Test Control register bit definitions
 #define XGXS_TEST_PATTERN_ENABLE	0x0004			// Test pattern enabled
@@ -473,10 +473,10 @@ typedef struct _SXG_HW_REGS {
 // LASI (Link Alarm Status Interrupt) Registers (located in MIIM_DEV_PHY_PMA device)
 #define LASI_RX_ALARM_CONTROL		0x9000			// LASI RX_ALARM Control
 #define LASI_TX_ALARM_CONTROL		0x9001			// LASI TX_ALARM Control
-#define LASI_CONTROL				0x9002			// LASI Control
+#define LASI_CONTROL			0x9002			// LASI Control
 #define LASI_RX_ALARM_STATUS		0x9003			// LASI RX_ALARM Status
 #define LASI_TX_ALARM_STATUS		0x9004			// LASI TX_ALARM Status
-#define LASI_STATUS					0x9005			// LASI Status
+#define LASI_STATUS			0x9005			// LASI Status
 
 // LASI_CONTROL bit definitions
 #define	LASI_CTL_RX_ALARM_ENABLE	0x0004			// Enable RX_ALARM interrupts
@@ -489,34 +489,34 @@ typedef struct _SXG_HW_REGS {
 #define	LASI_STATUS_LS_ALARM		0x0001			// Link Status
 
 // PHY registers - PMA/PMD (device 1)
-#define	PHY_PMA_CONTROL1			0x0000			// PMA/PMD Control 1
-#define	PHY_PMA_STATUS1				0x0001			// PMA/PMD Status 1
-#define	PHY_PMA_RCV_DET				0x000A			// PMA/PMD Receive Signal Detect
+#define	PHY_PMA_CONTROL1		0x0000			// PMA/PMD Control 1
+#define	PHY_PMA_STATUS1			0x0001			// PMA/PMD Status 1
+#define	PHY_PMA_RCV_DET			0x000A			// PMA/PMD Receive Signal Detect
 		// other PMA/PMD registers exist and can be defined as needed
 
 // PHY registers - PCS (device 3)
-#define	PHY_PCS_CONTROL1			0x0000			// PCS Control 1
-#define	PHY_PCS_STATUS1				0x0001			// PCS Status 1
-#define	PHY_PCS_10G_STATUS1			0x0020			// PCS 10GBASE-R Status 1
+#define	PHY_PCS_CONTROL1		0x0000			// PCS Control 1
+#define	PHY_PCS_STATUS1			0x0001			// PCS Status 1
+#define	PHY_PCS_10G_STATUS1		0x0020			// PCS 10GBASE-R Status 1
 		// other PCS registers exist and can be defined as needed
 
 // PHY registers - XS (device 4)
-#define	PHY_XS_CONTROL1				0x0000			// XS Control 1
-#define	PHY_XS_STATUS1				0x0001			// XS Status 1
-#define	PHY_XS_LANE_STATUS			0x0018			// XS Lane Status
+#define	PHY_XS_CONTROL1			0x0000			// XS Control 1
+#define	PHY_XS_STATUS1			0x0001			// XS Status 1
+#define	PHY_XS_LANE_STATUS		0x0018			// XS Lane Status
 		// other XS registers exist and can be defined as needed
 
 // PHY_PMA_CONTROL1 register bit definitions
-#define	PMA_CONTROL1_RESET			0x8000			// PMA/PMD reset
+#define	PMA_CONTROL1_RESET		0x8000			// PMA/PMD reset
 
 // PHY_PMA_RCV_DET register bit definitions
-#define	PMA_RCV_DETECT				0x0001			// PMA/PMD receive signal detect
+#define	PMA_RCV_DETECT			0x0001			// PMA/PMD receive signal detect
 
 // PHY_PCS_10G_STATUS1 register bit definitions
-#define	PCS_10B_BLOCK_LOCK			0x0001			// PCS 10GBASE-R locked to receive blocks
+#define	PCS_10B_BLOCK_LOCK		0x0001			// PCS 10GBASE-R locked to receive blocks
 
 // PHY_XS_LANE_STATUS register bit definitions
-#define	XS_LANE_ALIGN				0x1000			// XS transmit lanes aligned
+#define	XS_LANE_ALIGN			0x1000			// XS transmit lanes aligned
 
 // PHY Microcode download data structure
 typedef struct _PHY_UCODE {
@@ -558,8 +558,8 @@ typedef struct _XMT_DESC {
 		// command codes
 #define XMT_DESC_CMD_RAW_SEND		0		// raw send descriptor
 #define XMT_DESC_CMD_CSUM_INSERT	1		// checksum insert descriptor
-#define XMT_DESC_CMD_FORMAT			2		// format descriptor
-#define XMT_DESC_CMD_PRIME			3		// prime descriptor
+#define XMT_DESC_CMD_FORMAT		2		// format descriptor
+#define XMT_DESC_CMD_PRIME		3		// prime descriptor
 #define XMT_DESC_CMD_CODE_SHFT		6		// comand code shift (shift to bits [31:30] in word 0)
 		// shifted command codes
 #define XMT_RAW_SEND		(XMT_DESC_CMD_RAW_SEND    << XMT_DESC_CMD_CODE_SHFT)
@@ -569,22 +569,22 @@ typedef struct _XMT_DESC {
 
 // XMT_DESC Control Byte (XmtCtl) definitions
 // NOTE:  These bits do not work on Sahara (Rev A)!
-#define	XMT_CTL_PAUSE_FRAME			0x80	// current frame is a pause control frame (for statistics)
+#define	XMT_CTL_PAUSE_FRAME		0x80	// current frame is a pause control frame (for statistics)
 #define	XMT_CTL_CONTROL_FRAME		0x40	// current frame is a control frame (for statistics)
 #define	XMT_CTL_PER_PKT_QUAL		0x20	// per packet qualifier
 #define	XMT_CTL_PAD_MODE_NONE		0x00	// do not pad frame
-#define	XMT_CTL_PAD_MODE_64			0x08	// pad frame to 64 bytes
+#define	XMT_CTL_PAD_MODE_64		0x08	// pad frame to 64 bytes
 #define	XMT_CTL_PAD_MODE_VLAN_68	0x10	// pad frame to 64 bytes, and VLAN frames to 68 bytes
-#define	XMT_CTL_PAD_MODE_68			0x18	// pad frame to 68 bytes
-#define	XMT_CTL_GEN_FCS				0x04	// generate FCS (CRC) for this frame
-#define	XMT_CTL_DELAY_FCS_0			0x00	// do not delay FCS calcution
-#define	XMT_CTL_DELAY_FCS_1			0x01	// delay FCS calculation by 1 (4-byte) word
-#define	XMT_CTL_DELAY_FCS_2			0x02	// delay FCS calculation by 2 (4-byte) words
-#define	XMT_CTL_DELAY_FCS_3			0x03	// delay FCS calculation by 3 (4-byte) words
+#define	XMT_CTL_PAD_MODE_68		0x18	// pad frame to 68 bytes
+#define	XMT_CTL_GEN_FCS			0x04	// generate FCS (CRC) for this frame
+#define	XMT_CTL_DELAY_FCS_0		0x00	// do not delay FCS calcution
+#define	XMT_CTL_DELAY_FCS_1		0x01	// delay FCS calculation by 1 (4-byte) word
+#define	XMT_CTL_DELAY_FCS_2		0x02	// delay FCS calculation by 2 (4-byte) words
+#define	XMT_CTL_DELAY_FCS_3		0x03	// delay FCS calculation by 3 (4-byte) words
 
 // XMT_DESC XmtBufId definition
-#define XMT_BUF_ID_SHFT		8			// The Xmt buffer ID is formed by dividing
-										// the buffer (DRAM) address by 256 (or << 8)
+#define XMT_BUF_ID_SHFT		8	// The Xmt buffer ID is formed by dividing
+					// the buffer (DRAM) address by 256 (or << 8)
 
 /*****************************************************************************
  * Receiver Sequencer Definitions
@@ -594,8 +594,8 @@ typedef struct _XMT_DESC {
 #define	RCV_EVTQ_RBFID_MASK		0x0000FFFF	// bit mask for the Receive Buffer ID
 
 // Receive Buffer ID definition
-#define RCV_BUF_ID_SHFT		5			// The Rcv buffer ID is formed by dividing
-										// the buffer (DRAM) address by 32 (or << 5)
+#define RCV_BUF_ID_SHFT		5	// The Rcv buffer ID is formed by dividing
+					// the buffer (DRAM) address by 32 (or << 5)
 
 // Format of the 18 byte Receive Buffer returned by the
 // Receive Sequencer for received packets
@@ -723,12 +723,12 @@ typedef struct _SXG_CONFIG {
  *****************************************************************************/
 
 // Sahara (ASIC level) defines
-#define SAHARA_GRAM_SIZE			0x020000		// GRAM size - 128 KB
-#define SAHARA_DRAM_SIZE			0x200000		// DRAM size - 2 MB
-#define SAHARA_QRAM_SIZE			0x004000		// QRAM size - 16K entries (64 KB)
-#define SAHARA_WCS_SIZE				0x002000		// WCS - 8K instructions (x 108 bits)
+#define SAHARA_GRAM_SIZE		0x020000		// GRAM size - 128 KB
+#define SAHARA_DRAM_SIZE		0x200000		// DRAM size - 2 MB
+#define SAHARA_QRAM_SIZE		0x004000		// QRAM size - 16K entries (64 KB)
+#define SAHARA_WCS_SIZE			0x002000		// WCS - 8K instructions (x 108 bits)
 
 // Arabia (board level) defines
-#define	FLASH_SIZE				0x080000		// 512 KB (4 Mb)
-#define	EEPROM_SIZE_XFMR		512				// true EEPROM size (bytes), including xfmr area
-#define	EEPROM_SIZE_NO_XFMR		256				// EEPROM size excluding xfmr area
+#define	FLASH_SIZE			0x080000		// 512 KB (4 Mb)
+#define	EEPROM_SIZE_XFMR		512			// true EEPROM size (bytes), including xfmr area
+#define	EEPROM_SIZE_NO_XFMR		256			// EEPROM size excluding xfmr area
diff --git a/drivers/staging/sxg/sxgphycode.h b/drivers/staging/sxg/sxgphycode.h
index 26b36c81eb1..8dbaeda7eca 100644
--- a/drivers/staging/sxg/sxgphycode.h
+++ b/drivers/staging/sxg/sxgphycode.h
@@ -34,7 +34,7 @@ static PHY_UCODE PhyUcode[] = {
 	 */
 	/* Addr, Data */
 	{0xc017, 0xfeb0},	/* flip RX_LOS polarity (mandatory */
-				/*  patch for SFP+ applications) */
+	/*  patch for SFP+ applications) */
 	{0xC001, 0x0428},	/* flip RX serial polarity */
 
 	{0xc013, 0xf341},	/* invert lxmit clock (mandatory patch) */
@@ -43,7 +43,7 @@ static PHY_UCODE PhyUcode[] = {
 	{0xc210, 0x8000},	/* reset datapath (mandatory patch) */
 	{0xc210, 0x0000},	/* reset datapath (mandatory patch) */
 	{0x0000, 0x0032},	/* wait for 50ms for datapath reset to */
-				/* complete. (mandatory patch) */
+	/* complete. (mandatory patch) */
 
 	/* Configure the LED's */
 	{0xc214, 0x0099},	/* configure the LED drivers */
@@ -52,15 +52,15 @@ static PHY_UCODE PhyUcode[] = {
 
 	/* Transceiver-specific MDIO Patches: */
 	{0xc010, 0x448a},	/* (bit 14) mask out high BER input from the */
-				/* LOS signal in 1.000A */
-				/* (mandatory patch for SR code)*/
+	/* LOS signal in 1.000A */
+	/* (mandatory patch for SR code) */
 	{0xc003, 0x0181},	/* (bit 7) enable the CDR inc setting in */
-				/* 1.C005 (mandatory patch for SR code) */
+	/* 1.C005 (mandatory patch for SR code) */
 
 	/* Transceiver-specific Microcontroller Initialization: */
 	{0xc04a, 0x5200},	/* activate microcontroller and pause */
 	{0x0000, 0x0032},	/* wait 50ms for microcontroller before */
-				/* writing in code. */
+	/* writing in code. */
 
 	/* code block starts here: */
 	{0xcc00, 0x2009},
-- 
GitLab


From f2d86100d95274bd85a36b7b7c0efa9af0d82b2b Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 21 Oct 2008 22:21:51 -0700
Subject: [PATCH 1860/2224] Staging: pcc-acpi: update to latest version

Import the changes from the upstream driver into this version to keep
things up to date.

Cc: Yokota Hiroshi <yokota@netlab.cs.tsukuba.ac.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pcc-acpi/pcc-acpi.c | 540 ++++++++++++++++------------
 1 file changed, 309 insertions(+), 231 deletions(-)

diff --git a/drivers/staging/pcc-acpi/pcc-acpi.c b/drivers/staging/pcc-acpi/pcc-acpi.c
index ffda32a1030..e44181ead26 100644
--- a/drivers/staging/pcc-acpi/pcc-acpi.c
+++ b/drivers/staging/pcc-acpi/pcc-acpi.c
@@ -94,20 +94,21 @@
  *
  */
 
-#define ACPI_PCC_VERSION	"0.9"
+#define ACPI_PCC_VERSION	"0.9+hy"
 
-#include <linux/version.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+#include <asm/uaccess.h>
+#include <linux/ctype.h>
+#include <linux/init.h>
+#include <linux/input.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
 #include <linux/proc_fs.h>
-#include <linux/ctype.h>
 #include <linux/seq_file.h>
-#include <asm/uaccess.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/version.h>
 
 
 /*************************************************************************
@@ -152,10 +153,10 @@ static int _open_func_name_(struct inode *inode, struct file *file) \
 #endif
 
 #define _COMPONENT		ACPI_HOTKEY_COMPONENT
-ACPI_MODULE_NAME("pcc_acpi")
+ACPI_MODULE_NAME("pcc_acpi");
 
-MODULE_AUTHOR("Hiroshi Miura");
-MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Lets Note laptops");
+MODULE_AUTHOR("Hiroshi Miura, Hiroshi Yokota");
+MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops");
 MODULE_LICENSE("GPL");
 
 #define LOGPREFIX "pcc_acpi: "
@@ -182,7 +183,7 @@ MODULE_LICENSE("GPL");
  * definitions for /proc/ interface
  *
  *******************************************************************/
-#define ACPI_PCC_DRIVER_NAME	"PCC Extra Driver"
+#define ACPI_PCC_DRIVER_NAME	"pcc_acpi"
 #define ACPI_PCC_DEVICE_NAME	"PCCExtra"
 #define ACPI_PCC_CLASS		"pcc"
 #define PROC_PCC		ACPI_PCC_CLASS
@@ -196,6 +197,12 @@ MODULE_LICENSE("GPL");
 
 #define PROC_STR_MAX_LEN  8
 
+#define BUS_PCC_HOTKEY BUS_I8042 /*0x1a*/ /* FIXME: BUS_I8042? */
+
+/* Fn+F4/F5 confricts with Shift+F1/F2  */
+/* This hack avoids key number confrict */
+#define PCC_KEYINPUT_MODE (0)
+
 /* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent
    ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
 */
@@ -209,27 +216,32 @@ enum SINF_BITS { SINF_NUM_BATTERIES = 0,
 		 SINF_STICKY_KEY = 0x80,
 };
 
-static int acpi_pcc_hotkey_add(struct acpi_device *device);
-static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
-static int acpi_pcc_hotkey_resume(struct acpi_device *device);
-
-static const struct acpi_device_id pcc_device_ids[] = {
+static struct acpi_device_id pcc_device_ids[] = {
 	{"MAT0012", 0},
 	{"MAT0013", 0},
 	{"MAT0018", 0},
 	{"MAT0019", 0},
-	{"", 0},
+	{"",	    0},
 };
 MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
 
+
+static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device);
+static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
+static int acpi_pcc_hotkey_resume(struct acpi_device *device);
+
+
 static struct acpi_driver acpi_pcc_driver = {
 	.name =		ACPI_PCC_DRIVER_NAME,
 	.class =	ACPI_PCC_CLASS,
 	.ids =		pcc_device_ids,
 	.ops =		{
 				.add =		acpi_pcc_hotkey_add,
-				.remove =	acpi_pcc_hotkey_remove,
+				.remove =	__devexit_p(acpi_pcc_hotkey_remove),
+#ifdef CONFIG_PM
+				/*.suspend =      acpi_pcc_hotkey_suspend,*/
 				.resume =       acpi_pcc_hotkey_resume,
+#endif
 			},
 };
 
@@ -248,9 +260,12 @@ struct pcc_keyinput {
 	int key_mode;
 };
 
-/* --------------------------------------------------------------------------
+/* *************************************************************************
+   Hotkey driver core
+   ************************************************************************* */
+/* -------------------------------------------------------------------------
                            method access functions
-   -------------------------------------------------------------------------- */
+   ------------------------------------------------------------------------- */
 static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
 {
 	union acpi_object in_objs[] = {
@@ -263,13 +278,13 @@ static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
 		.count   = ARRAY_SIZE(in_objs),
 		.pointer = in_objs,
 	};
-	acpi_status status = AE_OK;
+	acpi_status status;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
 
 	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, &params, NULL);
 
-	return_VALUE(status == AE_OK);
+	return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
 }
 
 static inline int acpi_pcc_get_sqty(struct acpi_device *device)
@@ -301,19 +316,20 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
 	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0 , &buffer);
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "evaluation error HKEY.SINF\n"));
-		return_VALUE(0);
+		status = AE_ERROR;
+		return_VALUE(status);
 	}
 
 	hkey = buffer.pointer;
 	if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n"));
-		goto end;
+		goto free_buffer;
 	}
 
 	if (hotkey->num_sifr < hkey->package.count) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "SQTY reports bad SINF length\n"));
 		status = AE_ERROR;
-		goto end;
+		goto free_buffer;
 	}
 
 	for (i = 0; i < hkey->package.count; i++) {
@@ -322,59 +338,54 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
 			sinf[i] = element->integer.value;
 		} else {
 			ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF data\n"));
+			status = AE_ERROR;
+			break;
 		}
 	}
 	sinf[hkey->package.count] = -1;
 
-end:
+ free_buffer:
 	kfree(buffer.pointer);
-	return_VALUE(status == AE_OK);
+	return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
 }
 
 static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field)
 {
 	struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
-	u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL);
+	u32 sinf[hotkey->num_sifr + 1];
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field");
 
-	if (!sinf) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
-		       sizeof(u32) * hotkey->num_sifr));
-		return_VALUE(0);
-	}
-
-	if (acpi_pcc_retrieve_biosdata(hotkey, sinf)) {
+	if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
 		seq_printf(seq, "%u\n",	sinf[field]);
 	} else {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
 	}
 
-	kfree(sinf);
-	return_VALUE(0);
+	return_VALUE(AE_OK);
 }
 
-/* --------------------------------------------------------------------------
+/* -------------------------------------------------------------------------
                        user interface functions
-   -------------------------------------------------------------------------- */
+   ------------------------------------------------------------------------- */
 /* read methods */
 /* Sinf read methods */
 #define PCC_SINF_READ_F(_name_, FUNC) \
 static int _name_  (struct seq_file *seq, void *offset) \
 { \
-	return acpi_pcc_read_sinf_field(seq, (FUNC)); \
+	return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq, (FUNC)))  ? 0 : -EINVAL); \
 }
 
-PCC_SINF_READ_F(acpi_pcc_numbatteries_show,      SINF_NUM_BATTERIES);
-PCC_SINF_READ_F(acpi_pcc_lcdtype_show,           SINF_LCD_TYPE);
+PCC_SINF_READ_F(acpi_pcc_numbatteries_show,	 SINF_NUM_BATTERIES);
+PCC_SINF_READ_F(acpi_pcc_lcdtype_show,		 SINF_LCD_TYPE);
 PCC_SINF_READ_F(acpi_pcc_ac_brightness_max_show, SINF_AC_MAX_BRIGHT);
 PCC_SINF_READ_F(acpi_pcc_ac_brightness_min_show, SINF_AC_MIN_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_ac_brightness_show,     SINF_AC_CUR_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_ac_brightness_show,	 SINF_AC_CUR_BRIGHT);
 PCC_SINF_READ_F(acpi_pcc_dc_brightness_max_show, SINF_DC_MAX_BRIGHT);
 PCC_SINF_READ_F(acpi_pcc_dc_brightness_min_show, SINF_DC_MIN_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_dc_brightness_show,     SINF_DC_CUR_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_brightness_show,        SINF_AC_CUR_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_mute_show,              SINF_MUTE);
+PCC_SINF_READ_F(acpi_pcc_dc_brightness_show,	 SINF_DC_CUR_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_brightness_show,	 SINF_AC_CUR_BRIGHT);
+PCC_SINF_READ_F(acpi_pcc_mute_show,		 SINF_MUTE);
 
 static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
 {
@@ -383,7 +394,7 @@ static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
 	ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show");
 
 	if (!hotkey || !hotkey->device) {
-		return_VALUE(0);
+		return_VALUE(-EINVAL);
 	}
 
 	seq_printf(seq, "%d\n", hotkey->sticky_mode);
@@ -410,8 +421,9 @@ static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_version_show");
 
-	if (!hotkey || !hotkey->device)
-		return 0;
+	if (!hotkey || !hotkey->device) {
+		return_VALUE(-EINVAL);
+	}
 
 	seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, ACPI_PCC_VERSION);
 	seq_printf(seq, "%li functions\n", hotkey->num_sifr);
@@ -421,27 +433,28 @@ static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
 
 /* write methods */
 static ssize_t acpi_pcc_write_single_flag (struct file *file,
-                                           const char __user *buffer,
-                                           size_t count,
-                                           int sinf_func)
+					   const char __user *buffer,
+					   size_t count,
+					   int sinf_func)
 {
 	struct seq_file		*seq = file->private_data;
 	struct acpi_hotkey	*hotkey = seq->private;
 	char			write_string[PROC_STR_MAX_LEN];
-	u32 			val;
+	u32			val;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag");
 
 	if (!hotkey || (count > sizeof(write_string) - 1)) {
 		return_VALUE(-EINVAL);
-        }
+	}
 
 	if (copy_from_user(write_string, buffer, count)) {
 		return_VALUE(-EFAULT);
-        }
+	}
 	write_string[count] = '\0';
 
-	if (sscanf(write_string, "%i", &val) == 1 && (val == 0 || val == 1)) {
+	if ((sscanf(write_string, "%3i", &val) == 1) &&
+	    (val == 0 || val == 1)) {
 		acpi_pcc_write_sset(hotkey, sinf_func, val);
 	}
 
@@ -457,53 +470,51 @@ static unsigned long acpi_pcc_write_brightness(struct file *file, const char __u
 	struct acpi_hotkey	*hotkey = (struct acpi_hotkey *)seq->private;
 	char			write_string[PROC_STR_MAX_LEN];
 	u32 bright;
-	u32* sinf = kmalloc(sizeof(u32) * (hotkey->num_sifr + 1), GFP_KERNEL);
+	u32 sinf[hotkey->num_sifr + 1];
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness");
 
-	if (!hotkey || (count > sizeof(write_string) - 1))
+	if (!hotkey || (count > sizeof(write_string) - 1)) {
 		return_VALUE(-EINVAL);
-
-	if (!sinf) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate %li bytes\n",
-		       sizeof(u32) * hotkey->num_sifr));
-		return_VALUE(-EFAULT);
 	}
 
-	if (copy_from_user(write_string, buffer, count))
+	if (copy_from_user(write_string, buffer, count)) {
 		return_VALUE(-EFAULT);
+	}
 
 	write_string[count] = '\0';
 
-	if (!acpi_pcc_retrieve_biosdata(hotkey, sinf)) {
+	if (ACPI_FAILURE(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
 		goto end;
 	}
 
-	if (sscanf(write_string, "%i", &bright) == 1 &&
-		bright >= sinf[min_index] && bright <= sinf[max_index]) {
-			acpi_pcc_write_sset(hotkey, cur_index, bright);
+	if ((sscanf(write_string, "%4i", &bright) == 1) &&
+	    (bright >= sinf[min_index]                ) &&
+	    (bright <= sinf[max_index]                )) {
+		acpi_pcc_write_sset(hotkey, cur_index, bright);
 	}
 
 end:
-	kfree(sinf);
 	return_VALUE(count);
 }
 
 static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user *buffer,
 					 size_t count, loff_t *ppos)
 {
-	return acpi_pcc_write_brightness(file, buffer, count, SINF_AC_MIN_BRIGHT,
-					 SINF_AC_MAX_BRIGHT,
-					 SINF_AC_CUR_BRIGHT);
+	return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
+					       SINF_AC_MIN_BRIGHT,
+					       SINF_AC_MAX_BRIGHT,
+					       SINF_AC_CUR_BRIGHT));
 }
 
 static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user *buffer,
 					 size_t count, loff_t *ppos)
 {
-	return acpi_pcc_write_brightness(file, buffer, count, SINF_DC_MIN_BRIGHT,
-					 SINF_DC_MAX_BRIGHT,
-					 SINF_DC_CUR_BRIGHT);
+	return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
+					       SINF_DC_MIN_BRIGHT,
+					       SINF_DC_MAX_BRIGHT,
+					       SINF_DC_CUR_BRIGHT));
 }
 
 static ssize_t acpi_pcc_write_no_brightness(struct file *file, const char __user *buffer,
@@ -518,14 +529,36 @@ static ssize_t acpi_pcc_write_mute (struct file *file,
 				    const char __user *buffer,
 				    size_t count, loff_t *ppos)
 {
-	return acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE);
+	return_VALUE(acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE));
 }
 
 static ssize_t acpi_pcc_write_sticky_key (struct file *file,
 					  const char __user *buffer,
 					  size_t count, loff_t *ppos)
 {
-	return acpi_pcc_write_single_flag(file, buffer, count, SINF_STICKY_KEY);
+	struct seq_file     *seq = (struct seq_file *)file->private_data;
+	struct acpi_hotkey  *hotkey = (struct acpi_hotkey *)seq->private;
+	char                 write_string[PROC_STR_MAX_LEN];
+	int                  mode;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_write_sticky_key");
+
+	if (!hotkey || (count > sizeof(write_string) - 1)) {
+		return_VALUE(-EINVAL);
+	}
+
+	if (copy_from_user(write_string, buffer, count)) {
+		return_VALUE(-EFAULT);
+	}
+	write_string[count] = '\0';
+
+	if ((sscanf(write_string, "%3i", &mode) == 1) &&
+	    (mode == 0 || mode == 1)) {
+		acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, mode);
+		hotkey->sticky_mode = mode;
+	}
+
+	return_VALUE(count);
 }
 
 static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buffer,
@@ -539,25 +572,28 @@ static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buf
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput");
 
-	if (!hotkey || (count > sizeof(write_string) - 1))
+	if (!hotkey || (count > (sizeof(write_string) - 1))) {
 		return_VALUE(-EINVAL);
+	}
 
-	if (copy_from_user(write_string, buffer, count))
+	if (copy_from_user(write_string, buffer, count)) {
 		return_VALUE(-EFAULT);
+	}
 
 	write_string[count] = '\0';
 
-	if (sscanf(write_string, "%i", &key_mode) == 1 && (key_mode == 0 || key_mode == 1)) {
-		keyinput = (struct pcc_keyinput *)input_get_drvdata(hotkey->input_dev);
+	if ((sscanf(write_string, "%4i", &key_mode) == 1) &&
+	    (key_mode == 0 || key_mode == 1)) {
+		keyinput = input_get_drvdata(hotkey->input_dev);
 		keyinput->key_mode = key_mode;
 	}
 
 	return_VALUE(count);
 }
 
-/* --------------------------------------------------------------------------
+/* -------------------------------------------------------------------------
                             hotkey driver
-   -------------------------------------------------------------------------- */
+   ------------------------------------------------------------------------- */
 static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
 {
 	struct input_dev    *hotk_input_dev = hotkey->input_dev;
@@ -640,38 +676,38 @@ void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
 	return_VOID;
 }
 
-/* --------------------------------------------------------------------------
-                              FS Interface (/proc)
-   -------------------------------------------------------------------------- */
+/* *************************************************************************
+   FS Interface (/proc)
+   ************************************************************************* */
 /* oepn proc file fs*/
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs,  acpi_pcc_numbatteries_show);
-SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs,  acpi_pcc_lcdtype_show);
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs,	acpi_pcc_dc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs,	acpi_pcc_numbatteries_show);
+SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs,		acpi_pcc_lcdtype_show);
 SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs, acpi_pcc_ac_brightness_max_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs,  acpi_pcc_ac_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs, acpi_pcc_ac_brightness_min_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs,	acpi_pcc_ac_brightness_show);
 SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs, acpi_pcc_dc_brightness_max_show);
 SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs, acpi_pcc_dc_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_brightness_open_fs,  acpi_pcc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
-SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
-SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
-SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
+SEQ_OPEN_FS(acpi_pcc_brightness_open_fs,	acpi_pcc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_mute_open_fs,		acpi_pcc_mute_show);
+SEQ_OPEN_FS(acpi_pcc_version_open_fs,		acpi_pcc_version_show);
+SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs,		acpi_pcc_keyinput_show);
+SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs,	acpi_pcc_sticky_key_show);
 
 typedef struct file_operations fops_t;
-static fops_t acpi_pcc_numbatteries_fops = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
-static fops_t acpi_pcc_lcdtype_fops = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
-static fops_t acpi_pcc_mute_fops = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
-static fops_t acpi_pcc_ac_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
-static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs);
-static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs);
-static fops_t acpi_pcc_dc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
-static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs);
-static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs);
-static fops_t acpi_pcc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
-static fops_t acpi_pcc_sticky_key_fops = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
-static fops_t acpi_pcc_keyinput_fops = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
-static fops_t acpi_pcc_version_fops = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
+static fops_t acpi_pcc_numbatteries_fops      = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
+static fops_t acpi_pcc_lcdtype_fops           = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
+static fops_t acpi_pcc_mute_fops              = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
+static fops_t acpi_pcc_ac_brightness_fops     = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
+static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_max_open_fs);
+static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_min_open_fs);
+static fops_t acpi_pcc_dc_brightness_fops     = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
+static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_max_open_fs);
+static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_min_open_fs);
+static fops_t acpi_pcc_brightness_fops        = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
+static fops_t acpi_pcc_sticky_key_fops        = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
+static fops_t acpi_pcc_keyinput_fops          = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
+static fops_t acpi_pcc_version_fops           = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
 
 typedef struct _ProcItem
 {
@@ -681,37 +717,35 @@ typedef struct _ProcItem
 } ProcItem;
 
 /* Note: These functions map *exactly* to the SINF/SSET functions */
-ProcItem pcc_proc_items_sifr[] =
-{
-	{ "num_batteries",      &acpi_pcc_numbatteries_fops,     S_IRUGO },
-	{ "lcd_type",           &acpi_pcc_lcdtype_fops,          S_IRUGO },
+ProcItem acpi_pcc_proc_items_sifr[] = {
+	{ "num_batteries",	&acpi_pcc_numbatteries_fops,	 S_IRUGO },
+	{ "lcd_type",		&acpi_pcc_lcdtype_fops,		 S_IRUGO },
 	{ "ac_brightness_max" , &acpi_pcc_ac_brightness_max_fops,S_IRUGO },
 	{ "ac_brightness_min" , &acpi_pcc_ac_brightness_min_fops,S_IRUGO },
-	{ "ac_brightness" ,     &acpi_pcc_ac_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
+	{ "ac_brightness" ,	&acpi_pcc_ac_brightness_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
 	{ "dc_brightness_max" , &acpi_pcc_dc_brightness_max_fops,S_IRUGO },
 	{ "dc_brightness_min" , &acpi_pcc_dc_brightness_min_fops,S_IRUGO },
-	{ "dc_brightness" ,     &acpi_pcc_dc_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
-	{ "brightness" ,        &acpi_pcc_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
-	{ "mute",               &acpi_pcc_mute_fops,             S_IFREG | S_IRUGO | S_IWUSR },
+	{ "dc_brightness" ,	&acpi_pcc_dc_brightness_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
+	{ "brightness" ,	&acpi_pcc_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
+	{ "mute",		&acpi_pcc_mute_fops,		 S_IFREG | S_IRUGO | S_IWUSR },
 	{ NULL, NULL, 0 },
 };
 
-ProcItem pcc_proc_items[] =
-{
+ProcItem acpi_pcc_proc_items[] = {
 	{ "sticky_key",		&acpi_pcc_sticky_key_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
-	{ "keyinput",           &acpi_pcc_keyinput_fops,         S_IFREG | S_IRUGO | S_IWUSR },
-	{ "version",            &acpi_pcc_version_fops,          S_IRUGO },
+	{ "keyinput",		&acpi_pcc_keyinput_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
+	{ "version",		&acpi_pcc_version_fops,		 S_IRUGO },
 	{ NULL, NULL, 0 },
 };
 
-static int acpi_pcc_add_device(struct acpi_device *device,
-                                      ProcItem *proc_items,
-                                      int num)
+static int __devinit acpi_pcc_add_device(struct acpi_device *device,
+					 ProcItem *proc_items,
+					 int num)
 {
+	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
 	struct proc_dir_entry* proc;
 	ProcItem* item;
 	int i;
-	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
 
 	for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) {
 		proc = create_proc_entry(item->name, item->flag, hotkey->proc_dir_entry);
@@ -724,16 +758,16 @@ static int acpi_pcc_add_device(struct acpi_device *device,
 				item--;
 				remove_proc_entry(item->name, hotkey->proc_dir_entry);
 			}
-			return -ENODEV;
+			return_VALUE(-ENODEV);
 		}
 	}
-	return 0;
+	return_VALUE(0);
 }
 
-static int acpi_pcc_proc_init(struct acpi_device *device)
+static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
 {
-	struct proc_dir_entry* acpi_pcc_dir;
-	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
+	struct proc_dir_entry *acpi_pcc_dir;
+	struct acpi_hotkey    *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_proc_init");
@@ -748,8 +782,8 @@ static int acpi_pcc_proc_init(struct acpi_device *device)
 	acpi_pcc_dir->owner = THIS_MODULE;
 	hotkey->proc_dir_entry = acpi_pcc_dir;
 
-	status =  acpi_pcc_add_device(device, pcc_proc_items_sifr, hotkey->num_sifr);
-	status |= acpi_pcc_add_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem));
+	status =  acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
+	status |= acpi_pcc_add_device(device, acpi_pcc_proc_items,      ARRAY_SIZE(acpi_pcc_proc_items));
 	if (unlikely(status)) {
 		remove_proc_entry(PROC_PCC, acpi_root_dir);
 		hotkey->proc_dir_entry = NULL;
@@ -759,9 +793,9 @@ static int acpi_pcc_proc_init(struct acpi_device *device)
 	return_VALUE(status);
 }
 
-static void acpi_pcc_remove_device(struct acpi_device *device,
-                                          ProcItem *proc_items,
-                                          int num)
+static void __devexit acpi_pcc_remove_device(struct acpi_device *device,
+					     ProcItem *proc_items,
+					     int num)
 {
 	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
 	ProcItem* item;
@@ -771,131 +805,165 @@ static void acpi_pcc_remove_device(struct acpi_device *device,
 		remove_proc_entry(item->name, hotkey->proc_dir_entry);
 	}
 
-	return;
+	return_VOID;
+}
+
+/* *************************************************************************
+   Power Management
+   ************************************************************************* */
+#ifdef CONFIG_PM
+static int acpi_pcc_hotkey_resume(struct acpi_device *device)
+{
+	struct acpi_hotkey *hotkey = acpi_driver_data(device);
+	acpi_status	    status = AE_OK;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
+
+	if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); }
+
+	if (hotkey->num_sifr != 0) {
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n", hotkey->sticky_mode));
+
+		status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
+	}
+	if (status != AE_OK) { return_VALUE(-EINVAL); }
+
+	return_VALUE(0);
 }
+#endif
 
-/* --------------------------------------------------------------------------
-                             input init
-   -------------------------------------------------------------------------- */
-static int acpi_pcc_init_input(struct acpi_hotkey *hotkey)
+/* *************************************************************************
+   Module init/remove
+   ************************************************************************* */
+/* -------------------------------------------------------------------------
+   input
+   ------------------------------------------------------------------------- */
+static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
 {
-	struct input_dev *hotk_input_dev;
+	struct input_dev    *hotk_input_dev;
 	struct pcc_keyinput *pcc_keyinput;
+	int error;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
 	hotk_input_dev = input_allocate_device();
-	if (!hotk_input_dev) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
-		return_VALUE(-ENOMEM);
-	}
-#else
-	hotk_input_dev = kcalloc(1, sizeof(struct input_dev),GFP_KERNEL);
 	if (hotk_input_dev == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
-		return_VALUE(-ENOMEM);
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
+		goto err_input;
 	}
-#endif
 
-	pcc_keyinput = kcalloc(1,sizeof(struct pcc_keyinput),GFP_KERNEL);
+	pcc_keyinput = kcalloc(1, sizeof(struct pcc_keyinput), GFP_KERNEL);
 
 	if (pcc_keyinput == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
-		input_unregister_device(hotk_input_dev);
-		return_VALUE(-ENOMEM);
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for private data"));
+		goto err_pcc;
 	}
 
 	hotk_input_dev->evbit[0] = BIT(EV_KEY);
 
 	set_bit(KEY_BRIGHTNESSDOWN, hotk_input_dev->keybit);
-	set_bit(KEY_BRIGHTNESSUP, hotk_input_dev->keybit);
-	set_bit(KEY_MUTE, hotk_input_dev->keybit);
-	set_bit(KEY_VOLUMEDOWN, hotk_input_dev->keybit);
-	set_bit(KEY_VOLUMEUP, hotk_input_dev->keybit);
-	set_bit(KEY_SLEEP, hotk_input_dev->keybit);
-	set_bit(KEY_BATT, hotk_input_dev->keybit);
-	set_bit(KEY_SUSPEND, hotk_input_dev->keybit);
-
-	hotk_input_dev->name = ACPI_PCC_DRIVER_NAME;
-	hotk_input_dev->phys = ACPI_PCC_INPUT_PHYS;
-	hotk_input_dev->id.bustype = 0x1a; /* XXX FIXME: BUS_I8042? */
-	hotk_input_dev->id.vendor = 0x0001;
+	set_bit(KEY_BRIGHTNESSUP,   hotk_input_dev->keybit);
+	set_bit(KEY_MUTE,	    hotk_input_dev->keybit);
+	set_bit(KEY_VOLUMEDOWN,	    hotk_input_dev->keybit);
+	set_bit(KEY_VOLUMEUP,	    hotk_input_dev->keybit);
+	set_bit(KEY_SLEEP,	    hotk_input_dev->keybit);
+	set_bit(KEY_BATT,	    hotk_input_dev->keybit);
+	set_bit(KEY_SUSPEND,	    hotk_input_dev->keybit);
+
+	hotk_input_dev->name       = ACPI_PCC_DRIVER_NAME;
+	hotk_input_dev->phys       = ACPI_PCC_INPUT_PHYS;
+	hotk_input_dev->id.bustype = BUS_PCC_HOTKEY;
+	hotk_input_dev->id.vendor  = 0x0001;
 	hotk_input_dev->id.product = 0x0001;
 	hotk_input_dev->id.version = 0x0100;
 
-	pcc_keyinput->key_mode = 1; /* default on */
-	pcc_keyinput->hotkey = hotkey;
+	pcc_keyinput->key_mode = PCC_KEYINPUT_MODE;
+	pcc_keyinput->hotkey   = hotkey;
 
 	input_set_drvdata(hotk_input_dev, pcc_keyinput);
 
 	hotkey->input_dev = hotk_input_dev;
 
+	error = input_register_device(hotk_input_dev);
 
-	input_register_device(hotk_input_dev);
+	if (error) {
+		goto err_pcc;
+	}
 
 	return_VALUE(0);
-}
 
-/* --------------------------------------------------------------------------
-                         module init
-   -------------------------------------------------------------------------- */
+ err_pcc:
+	input_unregister_device(hotk_input_dev);
+ err_input:
+	return_VALUE(-ENOMEM);
+}
 
-static int acpi_pcc_hotkey_resume(struct acpi_device *device)
+static void __devexit acpi_pcc_remove_input(struct acpi_hotkey *hotkey)
 {
-	struct acpi_hotkey *hotkey = acpi_driver_data(device);
-	acpi_status	    status = AE_OK;
+	struct input_dev    *hotk_input_dev;
+	struct pcc_keyinput *pcc_keyinput;
 
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
+	ACPI_FUNCTION_TRACE("acpi_pcc_remove_input");
 
-	if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); }
+	if (hotkey == NULL) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Can't free memory"));
+		return_VOID;
+	}
 
-	ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Sticky mode restore: %d\n", hotkey->sticky_mode));
+	hotk_input_dev = hotkey->input_dev;
+	pcc_keyinput   = input_get_drvdata(hotk_input_dev);
 
-	status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
+	input_unregister_device(hotk_input_dev);
 
-	return_VALUE(status == AE_OK ? 0 : -EINVAL);
+	kfree(pcc_keyinput);
 }
 
-static int acpi_pcc_hotkey_add (struct acpi_device *device)
+/* -------------------------------------------------------------------------
+   ACPI
+   ------------------------------------------------------------------------- */
+static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
 {
 	acpi_status		status = AE_OK;
 	struct acpi_hotkey	*hotkey = NULL;
-	int num_sifr, result;
+	int sifr_status, num_sifr, result;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
 
-	if (!device) {
+	if (device == NULL) {
 		return_VALUE(-EINVAL);
 	}
 
-	num_sifr = acpi_pcc_get_sqty(device);
+	sifr_status = acpi_pcc_get_sqty(device);
 
-	if (num_sifr > 255) {
+	if (sifr_status > 255) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large"));
 		return_VALUE(-ENODEV);
 	}
 
-	hotkey = kmalloc(sizeof(struct acpi_hotkey), GFP_KERNEL);
-	if (!hotkey) {
+	if (sifr_status < 0) {
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "not support SQTY"));
+		num_sifr = 0;
+	} else {
+		num_sifr = sifr_status;
+	}
+
+	hotkey = kcalloc(1, sizeof(struct acpi_hotkey), GFP_KERNEL);
+	if (hotkey == NULL) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
 		return_VALUE(-ENOMEM);
 	}
 
-	memset(hotkey, 0, sizeof(struct acpi_hotkey));
-
-	hotkey->device = device;
-	hotkey->handle = device->handle;
+	hotkey->device   = device;
+	hotkey->handle   = device->handle;
 	hotkey->num_sifr = num_sifr;
 	acpi_driver_data(device) = hotkey;
-	strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME);
+	strcpy(acpi_device_name(device),  ACPI_PCC_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
 
-	status = acpi_install_notify_handler (
-			hotkey->handle,
-			ACPI_DEVICE_NOTIFY,
-			acpi_pcc_hotkey_notify,
-			hotkey);
+	status = acpi_install_notify_handler(hotkey->handle,
+					     ACPI_DEVICE_NOTIFY,
+					     acpi_pcc_hotkey_notify,
+					     hotkey);
 
 	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n"));
@@ -904,7 +972,7 @@ static int acpi_pcc_hotkey_add (struct acpi_device *device)
 	}
 
 	result = acpi_pcc_init_input(hotkey);
-	if (result) {
+	if (result != 0) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n"));
 		kfree(hotkey);
 		return_VALUE(result);
@@ -913,62 +981,72 @@ static int acpi_pcc_hotkey_add (struct acpi_device *device)
 	return_VALUE(acpi_pcc_proc_init(device));
 }
 
-static int __init acpi_pcc_init(void)
-{
-	int result = 0;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_init");
-
-	if (acpi_disabled) {
-		return_VALUE(-ENODEV);
-	}
-
-	result = acpi_bus_register_driver(&acpi_pcc_driver);
-	if (result < 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering hotkey driver\n"));
-		return_VALUE(-ENODEV);
-	}
-
-	return_VALUE(0);
-}
-
-module_init(acpi_pcc_init);
-
-static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
+static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
 {
 	acpi_status		status = AE_OK;
 	struct acpi_hotkey	*hotkey = acpi_driver_data(device);
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
 
-	if (!device || !hotkey)
+	if (!device || !hotkey) {
 		return_VALUE(-EINVAL);
+	}
 
 	if (hotkey->proc_dir_entry) {
-		acpi_pcc_remove_device(device, pcc_proc_items_sifr, hotkey->num_sifr);
-		acpi_pcc_remove_device(device, pcc_proc_items, sizeof(pcc_proc_items)/sizeof(ProcItem));
+		acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
+		acpi_pcc_remove_device(device, acpi_pcc_proc_items,      ARRAY_SIZE(acpi_pcc_proc_items));
 		remove_proc_entry(PROC_PCC, acpi_root_dir);
 	}
 
 	status = acpi_remove_notify_handler(hotkey->handle,
 		    ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
 
-	if (ACPI_FAILURE(status))
+	if (ACPI_FAILURE(status)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
+	}
 
-	input_unregister_device(hotkey->input_dev);
-
-	kfree(hotkey);
+	acpi_pcc_remove_input(hotkey);
+	if (hotkey != NULL) {
+		kfree(hotkey);
+	}
 	return_VALUE(status == AE_OK);
 }
 
+/* *********************************************************************
+   Module entry point
+   ********************************************************************* */
+static int __init acpi_pcc_init(void)
+{
+	int result;
+
+	ACPI_FUNCTION_TRACE("acpi_pcc_init");
+
+	printk(KERN_INFO LOGPREFIX "loading...\n");
+
+	if (acpi_disabled) {
+		printk(KERN_INFO LOGPREFIX "ACPI disabled.\n");
+		return_VALUE(-ENODEV);
+	}
+
+	result = acpi_bus_register_driver(&acpi_pcc_driver);
+	if (result < 0) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering hotkey driver\n"));
+		return_VALUE(-ENODEV);
+	}
+
+	return_VALUE(result);
+}
+
 static void __exit acpi_pcc_exit(void)
 {
 	ACPI_FUNCTION_TRACE("acpi_pcc_exit");
 
+	printk(KERN_INFO LOGPREFIX "unloading...\n");
+
 	acpi_bus_unregister_driver(&acpi_pcc_driver);
 
 	return_VOID;
 }
 
+module_init(acpi_pcc_init);
 module_exit(acpi_pcc_exit);
-- 
GitLab


From 9b2126db35bd7546c5998a06dcbac96c6ec21e4f Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Tue, 14 Oct 2008 10:43:57 +0200
Subject: [PATCH 1861/2224] Staging: PCC-ACPI: Fix all checkpatch errors

Fix all complaints that checkpatch had regarding this patch

Signed-off-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/pcc-acpi/pcc-acpi.c | 429 ++++++++++++++++------------
 1 file changed, 244 insertions(+), 185 deletions(-)

diff --git a/drivers/staging/pcc-acpi/pcc-acpi.c b/drivers/staging/pcc-acpi/pcc-acpi.c
index e44181ead26..7715c31f273 100644
--- a/drivers/staging/pcc-acpi/pcc-acpi.c
+++ b/drivers/staging/pcc-acpi/pcc-acpi.c
@@ -27,11 +27,13 @@
  * 	Nov.04, 2006	Hiroshi Miura <miura@da-cha.org>
  * 		-v0.9	remove warning about section reference.
  * 			remove acpi_os_free
- * 			add /proc/acpi/pcc/brightness interface to allow HAL to access.
+ * 			add /proc/acpi/pcc/brightness interface to
+ * 			allow HAL to access.
  * 			merge dbronaugh's enhancement
  * 			Aug.17, 2004 David Bronaugh (dbronaugh)
  *  				- Added screen brightness setting interface
- *				  Thanks to the FreeBSD crew (acpi_panasonic.c authors)
+ *				  Thanks to the FreeBSD crew
+ *				  (acpi_panasonic.c authors)
  * 				  for the ideas I needed to accomplish it
  *
  *	May.29, 2006	Hiroshi Miura <miura@da-cha.org>
@@ -41,13 +43,15 @@
  *			Hiroshi Yokota for providing solutions.
  *
  *	Oct.02, 2004	Hiroshi Miura <miura@da-cha.org>
- *		-v0.8.2	merge code of YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>.
+ *		-v0.8.2	merge code of YOKOTA Hiroshi
+ *			<yokota@netlab.is.tsukuba.ac.jp>.
  *			Add sticky key mode interface.
  *			Refactoring acpi_pcc_generete_keyinput().
  *
  *	Sep.15, 2004	Hiroshi Miura <miura@da-cha.org>
  *		-v0.8	Generate key input event on input subsystem.
- *			This is based on yet another driver written by Ryuta Nakanishi.
+ *			This is based on yet another driver
+ *			written by Ryuta Nakanishi.
  *
  *	Sep.10, 2004	Hiroshi Miura <miura@da-cha.org>
  *		-v0.7	Change proc interface functions using seq_file
@@ -57,7 +61,8 @@
  *		-v0.6.4 Fix a silly error with status checking
  *
  *	Aug.25, 2004	Hiroshi Miura <miura@da-cha.org>
- *		-v0.6.3 replace read_acpi_int by standard function acpi_evaluate_integer
+ *		-v0.6.3 replace read_acpi_int by standard
+ *			function acpi_evaluate_integer
  *			some clean up and make smart copyright notice.
  *			fix return value of pcc_acpi_get_key()
  *			fix checking return value of acpi_bus_register_driver()
@@ -96,19 +101,18 @@
 
 #define ACPI_PCC_VERSION	"0.9+hy"
 
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <asm/uaccess.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
 #include <linux/ctype.h>
 #include <linux/init.h>
 #include <linux/input.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/version.h>
+#include <linux/uaccess.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
 
 
 /*************************************************************************
@@ -207,12 +211,18 @@ MODULE_LICENSE("GPL");
    ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
 */
 enum SINF_BITS { SINF_NUM_BATTERIES = 0,
-                 SINF_LCD_TYPE,      /* 1 */
-		 SINF_AC_MAX_BRIGHT, SINF_AC_MIN_BRIGHT, SINF_AC_CUR_BRIGHT,  /* 2, 3, 4 */
-		             /* 4 = R1 only handle SINF_AC_CUR_BRIGHT as SINF_CUR_BRIGHT and don't know AC state */
-		 SINF_DC_MAX_BRIGHT, SINF_DC_MIN_BRIGHT, SINF_DC_CUR_BRIGHT,  /* 5, 6, 7 */
+		 SINF_LCD_TYPE,
+		 SINF_AC_MAX_BRIGHT,
+		 SINF_AC_MIN_BRIGHT,
+		 SINF_AC_CUR_BRIGHT,
+			     /* 4 = R1 only handle SINF_AC_CUR_BRIGHT
+			      * as SINF_CUR_BRIGHT and don't know AC state */
+		 SINF_DC_MAX_BRIGHT,
+		 SINF_DC_MIN_BRIGHT,
+		 SINF_DC_CUR_BRIGHT,
 		 SINF_MUTE,
-		 SINF_RESERVED,      SINF_ENV_STATE, /* 9, 10 */
+		 SINF_RESERVED,
+		 SINF_ENV_STATE, /* 10 */
 		 SINF_STICKY_KEY = 0x80,
 };
 
@@ -227,7 +237,8 @@ MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
 
 
 static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device);
-static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
+static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device,
+					    int type);
 static int acpi_pcc_hotkey_resume(struct acpi_device *device);
 
 
@@ -236,11 +247,11 @@ static struct acpi_driver acpi_pcc_driver = {
 	.class =	ACPI_PCC_CLASS,
 	.ids =		pcc_device_ids,
 	.ops =		{
-				.add =		acpi_pcc_hotkey_add,
-				.remove =	__devexit_p(acpi_pcc_hotkey_remove),
+				.add = acpi_pcc_hotkey_add,
+				.remove = __devexit_p(acpi_pcc_hotkey_remove),
 #ifdef CONFIG_PM
-				/*.suspend =      acpi_pcc_hotkey_suspend,*/
-				.resume =       acpi_pcc_hotkey_resume,
+				/*.suspend = acpi_pcc_hotkey_suspend,*/
+				.resume = acpi_pcc_hotkey_resume,
 #endif
 			},
 };
@@ -264,7 +275,7 @@ struct pcc_keyinput {
    Hotkey driver core
    ************************************************************************* */
 /* -------------------------------------------------------------------------
-                           method access functions
+   method access functions
    ------------------------------------------------------------------------- */
 static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
 {
@@ -282,7 +293,8 @@ static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
 
-	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, &params, NULL);
+	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET,
+								&params, NULL);
 
 	return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
 }
@@ -294,7 +306,8 @@ static inline int acpi_pcc_get_sqty(struct acpi_device *device)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty");
 
-	status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY, NULL, &s);
+	status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY,
+								NULL, &s);
 	if (ACPI_SUCCESS(status)) {
 		return_VALUE(s);
 	} else {
@@ -304,7 +317,7 @@ static inline int acpi_pcc_get_sqty(struct acpi_device *device)
 	}
 }
 
-static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
+static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32 *sinf)
 {
 	acpi_status status;
 	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
@@ -313,9 +326,11 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata");
 
-	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0 , &buffer);
+	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0,
+				      &buffer);
 	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "evaluation error HKEY.SINF\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "evaluation error HKEY.SINF\n"));
 		status = AE_ERROR;
 		return_VALUE(status);
 	}
@@ -327,7 +342,8 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
 	}
 
 	if (hotkey->num_sifr < hkey->package.count) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "SQTY reports bad SINF length\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "SQTY reports bad SINF length\n"));
 		status = AE_ERROR;
 		goto free_buffer;
 	}
@@ -337,7 +353,8 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
 		if (likely(element->type == ACPI_TYPE_INTEGER)) {
 			sinf[i] = element->integer.value;
 		} else {
-			ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF data\n"));
+			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+					 "Invalid HKEY.SINF data\n"));
 			status = AE_ERROR;
 			break;
 		}
@@ -356,24 +373,26 @@ static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field");
 
-	if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
+	if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf)))
 		seq_printf(seq, "%u\n",	sinf[field]);
-	} else {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
-	}
+	else
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Couldn't retrieve BIOS data\n"));
 
 	return_VALUE(AE_OK);
 }
 
 /* -------------------------------------------------------------------------
-                       user interface functions
+   user interface functions
    ------------------------------------------------------------------------- */
 /* read methods */
 /* Sinf read methods */
 #define PCC_SINF_READ_F(_name_, FUNC) \
-static int _name_  (struct seq_file *seq, void *offset) \
+static int _name_(struct seq_file *seq, void *offset) \
 { \
-	return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq, (FUNC)))  ? 0 : -EINVAL); \
+	return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq,	\
+							  (FUNC))) \
+							  ? 0 : -EINVAL); \
 }
 
 PCC_SINF_READ_F(acpi_pcc_numbatteries_show,	 SINF_NUM_BATTERIES);
@@ -393,9 +412,8 @@ static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show");
 
-	if (!hotkey || !hotkey->device) {
+	if (!hotkey || !hotkey->device)
 		return_VALUE(-EINVAL);
-	}
 
 	seq_printf(seq, "%d\n", hotkey->sticky_mode);
 
@@ -404,7 +422,7 @@ static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
 
 static int acpi_pcc_keyinput_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_hotkey 	*hotkey = (struct acpi_hotkey *) seq->private;
+	struct acpi_hotkey 	*hotkey = seq->private;
 	struct input_dev 	*hotk_input_dev = hotkey->input_dev;
 	struct pcc_keyinput 	*keyinput = input_get_drvdata(hotk_input_dev);
 
@@ -417,25 +435,25 @@ static int acpi_pcc_keyinput_show(struct seq_file *seq, void *offset)
 
 static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
 {
-	struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
+	struct acpi_hotkey *hotkey = seq->private;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_version_show");
 
-	if (!hotkey || !hotkey->device) {
+	if (!hotkey || !hotkey->device)
 		return_VALUE(-EINVAL);
-	}
 
-	seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, ACPI_PCC_VERSION);
+	seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME,
+		   ACPI_PCC_VERSION);
 	seq_printf(seq, "%li functions\n", hotkey->num_sifr);
 
 	return_VALUE(0);
 }
 
 /* write methods */
-static ssize_t acpi_pcc_write_single_flag (struct file *file,
-					   const char __user *buffer,
-					   size_t count,
-					   int sinf_func)
+static ssize_t acpi_pcc_write_single_flag(struct file *file,
+					  const char __user *buffer,
+					  size_t count,
+					  int sinf_func)
 {
 	struct seq_file		*seq = file->private_data;
 	struct acpi_hotkey	*hotkey = seq->private;
@@ -444,24 +462,23 @@ static ssize_t acpi_pcc_write_single_flag (struct file *file,
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag");
 
-	if (!hotkey || (count > sizeof(write_string) - 1)) {
+	if (!hotkey || (count > sizeof(write_string) - 1))
 		return_VALUE(-EINVAL);
-	}
 
-	if (copy_from_user(write_string, buffer, count)) {
+	if (copy_from_user(write_string, buffer, count))
 		return_VALUE(-EFAULT);
-	}
+
 	write_string[count] = '\0';
 
 	if ((sscanf(write_string, "%3i", &val) == 1) &&
-	    (val == 0 || val == 1)) {
+	    (val == 0 || val == 1))
 		acpi_pcc_write_sset(hotkey, sinf_func, val);
-	}
 
 	return_VALUE(count);
 }
 
-static unsigned long acpi_pcc_write_brightness(struct file *file, const char __user *buffer,
+static unsigned long acpi_pcc_write_brightness(struct file *file,
+					       const char __user *buffer,
 					       size_t count,
 					       int min_index, int max_index,
 					       int cur_index)
@@ -474,33 +491,32 @@ static unsigned long acpi_pcc_write_brightness(struct file *file, const char __u
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness");
 
-	if (!hotkey || (count > sizeof(write_string) - 1)) {
+	if (!hotkey || (count > sizeof(write_string) - 1))
 		return_VALUE(-EINVAL);
-	}
 
-	if (copy_from_user(write_string, buffer, count)) {
+	if (copy_from_user(write_string, buffer, count))
 		return_VALUE(-EFAULT);
-	}
 
 	write_string[count] = '\0';
 
 	if (ACPI_FAILURE(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Couldn't retrieve BIOS data\n"));
 		goto end;
 	}
 
 	if ((sscanf(write_string, "%4i", &bright) == 1) &&
-	    (bright >= sinf[min_index]                ) &&
-	    (bright <= sinf[max_index]                )) {
+	    (bright >= sinf[min_index]) &&
+	    (bright <= sinf[max_index]))
 		acpi_pcc_write_sset(hotkey, cur_index, bright);
-	}
 
 end:
 	return_VALUE(count);
 }
 
-static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user *buffer,
-					 size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_ac_brightness(struct file *file,
+					    const char __user *buffer,
+					    size_t count, loff_t *ppos)
 {
 	return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
 					       SINF_AC_MIN_BRIGHT,
@@ -508,8 +524,9 @@ static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user
 					       SINF_AC_CUR_BRIGHT));
 }
 
-static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user *buffer,
-					 size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_dc_brightness(struct file *file,
+					    const char __user *buffer,
+					    size_t count, loff_t *ppos)
 {
 	return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
 					       SINF_DC_MIN_BRIGHT,
@@ -517,24 +534,27 @@ static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user
 					       SINF_DC_CUR_BRIGHT));
 }
 
-static ssize_t acpi_pcc_write_no_brightness(struct file *file, const char __user *buffer,
-					 size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_no_brightness(struct file *file,
+					    const char __user *buffer,
+					    size_t count, loff_t *ppos)
 {
-	return acpi_pcc_write_brightness(file, buffer, count, SINF_AC_MIN_BRIGHT,
+	return acpi_pcc_write_brightness(file, buffer, count,
+					 SINF_AC_MIN_BRIGHT,
 					 SINF_AC_MAX_BRIGHT,
 					 SINF_AC_CUR_BRIGHT);
 }
 
-static ssize_t acpi_pcc_write_mute (struct file *file,
-				    const char __user *buffer,
-				    size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_mute(struct file *file,
+				   const char __user *buffer,
+				   size_t count, loff_t *ppos)
 {
-	return_VALUE(acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE));
+	return_VALUE(acpi_pcc_write_single_flag(file, buffer, count,
+						SINF_MUTE));
 }
 
-static ssize_t acpi_pcc_write_sticky_key (struct file *file,
-					  const char __user *buffer,
-					  size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_sticky_key(struct file *file,
+					 const char __user *buffer,
+					 size_t count, loff_t *ppos)
 {
 	struct seq_file     *seq = (struct seq_file *)file->private_data;
 	struct acpi_hotkey  *hotkey = (struct acpi_hotkey *)seq->private;
@@ -543,13 +563,12 @@ static ssize_t acpi_pcc_write_sticky_key (struct file *file,
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_sticky_key");
 
-	if (!hotkey || (count > sizeof(write_string) - 1)) {
+	if (!hotkey || (count > sizeof(write_string) - 1))
 		return_VALUE(-EINVAL);
-	}
 
-	if (copy_from_user(write_string, buffer, count)) {
+	if (copy_from_user(write_string, buffer, count))
 		return_VALUE(-EFAULT);
-	}
+
 	write_string[count] = '\0';
 
 	if ((sscanf(write_string, "%3i", &mode) == 1) &&
@@ -561,8 +580,9 @@ static ssize_t acpi_pcc_write_sticky_key (struct file *file,
 	return_VALUE(count);
 }
 
-static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buffer,
-					 size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_keyinput(struct file *file,
+				       const char __user *buffer,
+				       size_t count, loff_t *ppos)
 {
 	struct seq_file		*seq = (struct seq_file *)file->private_data;
 	struct acpi_hotkey	*hotkey = (struct acpi_hotkey *)seq->private;
@@ -572,13 +592,11 @@ static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buf
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput");
 
-	if (!hotkey || (count > (sizeof(write_string) - 1))) {
+	if (!hotkey || (count > (sizeof(write_string) - 1)))
 		return_VALUE(-EINVAL);
-	}
 
-	if (copy_from_user(write_string, buffer, count)) {
+	if (copy_from_user(write_string, buffer, count))
 		return_VALUE(-EFAULT);
-	}
 
 	write_string[count] = '\0';
 
@@ -592,7 +610,7 @@ static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buf
 }
 
 /* -------------------------------------------------------------------------
-                            hotkey driver
+   hotkey driver
    ------------------------------------------------------------------------- */
 static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
 {
@@ -604,7 +622,8 @@ static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
 		/*  0 */ -1,
 		/*  1 */ KEY_BRIGHTNESSDOWN,
 		/*  2 */ KEY_BRIGHTNESSUP,
-		/*  3 */ -1, /* vga/lcd switch event is not occur on hotkey driver. */
+		/*  3 */ -1, /* vga/lcd switch event is not occur on
+				hotkey driver. */
 		/*  4 */ KEY_MUTE,
 		/*  5 */ KEY_VOLUMEDOWN,
 		/*  6 */ KEY_VOLUMEUP,
@@ -616,11 +635,12 @@ static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_generete_keyinput");
 
-	if (keyinput->key_mode == 0) { return_VOID; }
+	if (keyinput->key_mode == 0)
+		return_VOID;
 
 	hkey_num = hinf & 0xf;
 
-	if ((       0 > hkey_num	   ) ||
+	if ((0 > hkey_num) ||
 	    (hkey_num > ARRAY_SIZE(key_map))) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "hotkey number out of range: %d\n",
@@ -645,12 +665,13 @@ static int acpi_pcc_hotkey_get_key(struct acpi_hotkey *hotkey)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_get_key");
 
-	status = acpi_evaluate_integer(hotkey->handle, METHOD_HKEY_QUERY, NULL, &result);
-	if (likely(ACPI_SUCCESS(status))) {
+	status = acpi_evaluate_integer(hotkey->handle, METHOD_HKEY_QUERY,
+								NULL, &result);
+	if (likely(ACPI_SUCCESS(status)))
 		hotkey->status = result;
-	} else {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "error getting hotkey status\n"));
-	}
+	else
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+			"error getting hotkey status\n"));
 
 	return_VALUE(status == AE_OK);
 }
@@ -661,11 +682,13 @@ void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify");
 
-	switch(event) {
+	switch (event) {
 	case HKEY_NOTIFY:
 		if (acpi_pcc_hotkey_get_key(hotkey)) {
-			/* generate event like '"pcc HKEY 00000080 00000084"' when Fn+F4 pressed */
-			acpi_bus_generate_proc_event(hotkey->device, event, hotkey->status);
+			/* generate event like '"pcc HKEY 00000080 00000084"'
+			 * when Fn+F4 pressed */
+			acpi_bus_generate_proc_event(hotkey->device, event,
+								hotkey->status);
 		}
 		acpi_pcc_generete_keyinput(hotkey);
 		break;
@@ -680,75 +703,96 @@ void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
    FS Interface (/proc)
    ************************************************************************* */
 /* oepn proc file fs*/
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs,	acpi_pcc_dc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs,	acpi_pcc_numbatteries_show);
-SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs,		acpi_pcc_lcdtype_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs, acpi_pcc_ac_brightness_max_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs, acpi_pcc_ac_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs,	acpi_pcc_ac_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs, acpi_pcc_dc_brightness_max_show);
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs, acpi_pcc_dc_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_brightness_open_fs,	acpi_pcc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_mute_open_fs,		acpi_pcc_mute_show);
-SEQ_OPEN_FS(acpi_pcc_version_open_fs,		acpi_pcc_version_show);
-SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs,		acpi_pcc_keyinput_show);
-SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs,	acpi_pcc_sticky_key_show);
-
-typedef struct file_operations fops_t;
-static fops_t acpi_pcc_numbatteries_fops      = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
-static fops_t acpi_pcc_lcdtype_fops           = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
-static fops_t acpi_pcc_mute_fops              = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
-static fops_t acpi_pcc_ac_brightness_fops     = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
-static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_max_open_fs);
-static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_min_open_fs);
-static fops_t acpi_pcc_dc_brightness_fops     = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
-static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_max_open_fs);
-static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_min_open_fs);
-static fops_t acpi_pcc_brightness_fops        = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
-static fops_t acpi_pcc_sticky_key_fops        = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
-static fops_t acpi_pcc_keyinput_fops          = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
-static fops_t acpi_pcc_version_fops           = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
-
-typedef struct _ProcItem
-{
-	const char* name;
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show);
+SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs,
+	    acpi_pcc_ac_brightness_max_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs,
+	    acpi_pcc_ac_brightness_min_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs,
+	    acpi_pcc_dc_brightness_max_show);
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs,
+	    acpi_pcc_dc_brightness_min_show);
+SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
+SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
+SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
+SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
+
+static struct file_operations acpi_pcc_numbatteries_fops =
+	SEQ_FILEOPS_R(acpi_pcc_numbatteries_open_fs);
+static struct file_operations acpi_pcc_lcdtype_fops =
+	SEQ_FILEOPS_R(acpi_pcc_lcdtype_open_fs);
+static struct file_operations acpi_pcc_mute_fops =
+	SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
+static struct file_operations acpi_pcc_ac_brightness_fops =
+	SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs,
+		       acpi_pcc_write_ac_brightness);
+static struct file_operations acpi_pcc_ac_brightness_max_fops =
+	SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs);
+static struct file_operations acpi_pcc_ac_brightness_min_fops =
+	SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs);
+static struct file_operations acpi_pcc_dc_brightness_fops =
+	SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs,
+		       acpi_pcc_write_dc_brightness);
+static struct file_operations acpi_pcc_dc_brightness_max_fops =
+	SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs);
+static struct file_operations acpi_pcc_dc_brightness_min_fops =
+	SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs);
+static struct file_operations acpi_pcc_brightness_fops =
+	SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs,
+		       acpi_pcc_write_no_brightness);
+static struct file_operations acpi_pcc_sticky_key_fops =
+	SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
+static struct file_operations acpi_pcc_keyinput_fops =
+	SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
+static struct file_operations acpi_pcc_version_fops =
+	SEQ_FILEOPS_R(acpi_pcc_version_open_fs);
+
+struct proc_item {
+	const char *name;
 	struct file_operations *fops;
 	mode_t flag;
-} ProcItem;
+};
 
 /* Note: These functions map *exactly* to the SINF/SSET functions */
-ProcItem acpi_pcc_proc_items_sifr[] = {
-	{ "num_batteries",	&acpi_pcc_numbatteries_fops,	 S_IRUGO },
-	{ "lcd_type",		&acpi_pcc_lcdtype_fops,		 S_IRUGO },
-	{ "ac_brightness_max" , &acpi_pcc_ac_brightness_max_fops,S_IRUGO },
-	{ "ac_brightness_min" , &acpi_pcc_ac_brightness_min_fops,S_IRUGO },
-	{ "ac_brightness" ,	&acpi_pcc_ac_brightness_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
-	{ "dc_brightness_max" , &acpi_pcc_dc_brightness_max_fops,S_IRUGO },
-	{ "dc_brightness_min" , &acpi_pcc_dc_brightness_min_fops,S_IRUGO },
-	{ "dc_brightness" ,	&acpi_pcc_dc_brightness_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
-	{ "brightness" ,	&acpi_pcc_brightness_fops,    S_IFREG | S_IRUGO | S_IWUSR },
-	{ "mute",		&acpi_pcc_mute_fops,		 S_IFREG | S_IRUGO | S_IWUSR },
+struct proc_item acpi_pcc_proc_items_sifr[] = {
+	{ "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO },
+	{ "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
+	{ "ac_brightness_max", &acpi_pcc_ac_brightness_max_fops, S_IRUGO },
+	{ "ac_brightness_min", &acpi_pcc_ac_brightness_min_fops, S_IRUGO },
+	{ "ac_brightness", &acpi_pcc_ac_brightness_fops,
+		S_IFREG | S_IRUGO | S_IWUSR },
+	{ "dc_brightness_max", &acpi_pcc_dc_brightness_max_fops, S_IRUGO },
+	{ "dc_brightness_min", &acpi_pcc_dc_brightness_min_fops, S_IRUGO },
+	{ "dc_brightness", &acpi_pcc_dc_brightness_fops,
+		S_IFREG | S_IRUGO | S_IWUSR },
+	{ "brightness", &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR},
+	{ "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR },
 	{ NULL, NULL, 0 },
 };
 
-ProcItem acpi_pcc_proc_items[] = {
-	{ "sticky_key",		&acpi_pcc_sticky_key_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
-	{ "keyinput",		&acpi_pcc_keyinput_fops,	 S_IFREG | S_IRUGO | S_IWUSR },
-	{ "version",		&acpi_pcc_version_fops,		 S_IRUGO },
+struct proc_item acpi_pcc_proc_items[] = {
+	{ "sticky_key", &acpi_pcc_sticky_key_fops, S_IFREG | S_IRUGO | S_IWUSR},
+	{ "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR },
+	{ "version", &acpi_pcc_version_fops, S_IRUGO },
 	{ NULL, NULL, 0 },
 };
 
 static int __devinit acpi_pcc_add_device(struct acpi_device *device,
-					 ProcItem *proc_items,
+					 struct proc_item *proc_items,
 					 int num)
 {
-	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
-	struct proc_dir_entry* proc;
-	ProcItem* item;
+	struct acpi_hotkey *hotkey = acpi_driver_data(device);
+	struct proc_dir_entry *proc;
+	struct proc_item *item;
 	int i;
 
 	for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) {
-		proc = create_proc_entry(item->name, item->flag, hotkey->proc_dir_entry);
+		proc = create_proc_entry(item->name, item->flag,
+					 hotkey->proc_dir_entry);
 		if (likely(proc)) {
 			proc->proc_fops = item->fops;
 			proc->data = hotkey;
@@ -756,7 +800,8 @@ static int __devinit acpi_pcc_add_device(struct acpi_device *device,
 		} else {
 			while (i-- > 0) {
 				item--;
-				remove_proc_entry(item->name, hotkey->proc_dir_entry);
+				remove_proc_entry(item->name,
+					hotkey->proc_dir_entry);
 			}
 			return_VALUE(-ENODEV);
 		}
@@ -767,7 +812,7 @@ static int __devinit acpi_pcc_add_device(struct acpi_device *device,
 static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
 {
 	struct proc_dir_entry *acpi_pcc_dir;
-	struct acpi_hotkey    *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
+	struct acpi_hotkey    *hotkey = acpi_driver_data(device);
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_proc_init");
@@ -775,15 +820,18 @@ static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
 	acpi_pcc_dir = proc_mkdir(PROC_PCC, acpi_root_dir);
 
 	if (unlikely(!acpi_pcc_dir)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't create dir in /proc\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Couldn't create dir in /proc\n"));
 		return_VALUE(-ENODEV);
 	}
 
 	acpi_pcc_dir->owner = THIS_MODULE;
 	hotkey->proc_dir_entry = acpi_pcc_dir;
 
-	status =  acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
-	status |= acpi_pcc_add_device(device, acpi_pcc_proc_items,      ARRAY_SIZE(acpi_pcc_proc_items));
+	status =  acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr,
+				      hotkey->num_sifr);
+	status |= acpi_pcc_add_device(device, acpi_pcc_proc_items,
+				      ARRAY_SIZE(acpi_pcc_proc_items));
 	if (unlikely(status)) {
 		remove_proc_entry(PROC_PCC, acpi_root_dir);
 		hotkey->proc_dir_entry = NULL;
@@ -794,14 +842,16 @@ static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
 }
 
 static void __devexit acpi_pcc_remove_device(struct acpi_device *device,
-					     ProcItem *proc_items,
+					     struct proc_item *proc_items,
 					     int num)
 {
-	struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
-	ProcItem* item;
+	struct acpi_hotkey *hotkey = acpi_driver_data(device);
+	struct proc_item *item;
 	int i;
 
-	for (item = proc_items, i = 0; item->name != NULL && i < num; ++item, ++i) {
+	for (item = proc_items, i = 0;
+	     item->name != NULL && i < num;
+	     ++item, ++i) {
 		remove_proc_entry(item->name, hotkey->proc_dir_entry);
 	}
 
@@ -819,14 +869,18 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
 
-	if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); }
+	if (device == NULL || hotkey == NULL)
+		return_VALUE(-EINVAL);
 
 	if (hotkey->num_sifr != 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n", hotkey->sticky_mode));
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n",
+				 hotkey->sticky_mode));
 
-		status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
+		status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY,
+					     hotkey->sticky_mode);
 	}
-	if (status != AE_OK) { return_VALUE(-EINVAL); }
+	if (status != AE_OK)
+		return_VALUE(-EINVAL);
 
 	return_VALUE(0);
 }
@@ -848,14 +902,16 @@ static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
 
 	hotk_input_dev = input_allocate_device();
 	if (hotk_input_dev == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Couldn't allocate input device for hotkey"));
 		goto err_input;
 	}
 
 	pcc_keyinput = kcalloc(1, sizeof(struct pcc_keyinput), GFP_KERNEL);
 
 	if (pcc_keyinput == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for private data"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Couldn't allocate mem for private data"));
 		goto err_pcc;
 	}
 
@@ -886,9 +942,8 @@ static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
 
 	error = input_register_device(hotk_input_dev);
 
-	if (error) {
+	if (error)
 		goto err_pcc;
-	}
 
 	return_VALUE(0);
 
@@ -921,7 +976,7 @@ static void __devexit acpi_pcc_remove_input(struct acpi_hotkey *hotkey)
 /* -------------------------------------------------------------------------
    ACPI
    ------------------------------------------------------------------------- */
-static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
+static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device)
 {
 	acpi_status		status = AE_OK;
 	struct acpi_hotkey	*hotkey = NULL;
@@ -929,9 +984,8 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
 
-	if (device == NULL) {
+	if (device == NULL)
 		return_VALUE(-EINVAL);
-	}
 
 	sifr_status = acpi_pcc_get_sqty(device);
 
@@ -949,7 +1003,8 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
 
 	hotkey = kcalloc(1, sizeof(struct acpi_hotkey), GFP_KERNEL);
 	if (hotkey == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Couldn't allocate mem for hotkey"));
 		return_VALUE(-ENOMEM);
 	}
 
@@ -966,14 +1021,16 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
 					     hotkey);
 
 	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Error installing notify handler\n"));
 		kfree(hotkey);
 		return_VALUE(-ENODEV);
 	}
 
 	result = acpi_pcc_init_input(hotkey);
 	if (result != 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Error installing keyinput handler\n"));
 		kfree(hotkey);
 		return_VALUE(result);
 	}
@@ -981,20 +1038,22 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
 	return_VALUE(acpi_pcc_proc_init(device));
 }
 
-static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
+static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device,
+					    int type)
 {
 	acpi_status		status = AE_OK;
 	struct acpi_hotkey	*hotkey = acpi_driver_data(device);
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
 
-	if (!device || !hotkey) {
+	if (!device || !hotkey)
 		return_VALUE(-EINVAL);
-	}
 
 	if (hotkey->proc_dir_entry) {
-		acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
-		acpi_pcc_remove_device(device, acpi_pcc_proc_items,      ARRAY_SIZE(acpi_pcc_proc_items));
+		acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr,
+				       hotkey->num_sifr);
+		acpi_pcc_remove_device(device, acpi_pcc_proc_items,
+				       ARRAY_SIZE(acpi_pcc_proc_items));
 		remove_proc_entry(PROC_PCC, acpi_root_dir);
 	}
 
@@ -1002,13 +1061,12 @@ static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type
 		    ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
 
 	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Error removing notify handler\n"));
 	}
 
 	acpi_pcc_remove_input(hotkey);
-	if (hotkey != NULL) {
-		kfree(hotkey);
-	}
+	kfree(hotkey);
 	return_VALUE(status == AE_OK);
 }
 
@@ -1030,7 +1088,8 @@ static int __init acpi_pcc_init(void)
 
 	result = acpi_bus_register_driver(&acpi_pcc_driver);
 	if (result < 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering hotkey driver\n"));
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+				 "Error registering hotkey driver\n"));
 		return_VALUE(-ENODEV);
 	}
 
-- 
GitLab


From 786ed801ac9607a98fdeb8230ea05202a41fc1c7 Mon Sep 17 00:00:00 2001
From: Lior Dotan <liodot@gmail.com>
Date: Sun, 12 Oct 2008 08:43:33 +0200
Subject: [PATCH 1862/2224] Staging: SLICOSS: Free multicast list at driver
 exit

The multicast address list is allocated in slic_mcast_add_list() but
never freed.

Signed-off-by: Lior Dotan <liodot@gmail.com>
---
 drivers/staging/slicoss/slicoss.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index 6ef9274a1a6..8fa9490b3e2 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -596,6 +596,7 @@ static void __devexit slic_entry_remove(struct pci_dev *pcidev)
 	uint mmio_len = 0;
 	struct adapter *adapter = (struct adapter *) netdev_priv(dev);
 	struct sliccard *card;
+	struct mcast_address *mcaddr, *mlist;
 
 	ASSERT(adapter);
 	DBG_MSG("slicoss: %s ENTER dev[%p] adapter[%p]\n", __func__, dev,
@@ -615,6 +616,13 @@ static void __devexit slic_entry_remove(struct pci_dev *pcidev)
 	DBG_MSG("slicoss: %s iounmap dev->base_addr[%x]\n", __func__,
 		(uint) dev->base_addr);
 	iounmap((void __iomem *)dev->base_addr);
+	/* free multicast addresses */
+	mlist = adapter->mcastaddrs;
+	while (mlist) {
+		mcaddr = mlist;
+		mlist = mlist->next;
+		kfree(mcaddr);
+	}
 	ASSERT(adapter->card);
 	card = adapter->card;
 	ASSERT(card->adapters_allocated);
-- 
GitLab


From 4460a860f728983f685cb23140c241c10dca0d32 Mon Sep 17 00:00:00 2001
From: "J.R. Mauro" <jrm8005@gmail.com>
Date: Mon, 20 Oct 2008 19:01:31 -0400
Subject: [PATCH 1863/2224] Staging: Lindent the echo driver

Lindent drivers/staging/echo*

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/echo/bit_operations.h | 187 +++---
 drivers/staging/echo/echo.c           | 803 +++++++++++++-------------
 drivers/staging/echo/echo.h           |   7 +-
 drivers/staging/echo/fir.h            | 298 +++++-----
 drivers/staging/echo/mmx.h            |  29 +-
 drivers/staging/echo/oslec.h          |   2 +-
 6 files changed, 654 insertions(+), 672 deletions(-)

diff --git a/drivers/staging/echo/bit_operations.h b/drivers/staging/echo/bit_operations.h
index abcd7a2168a..cecdcf3fd75 100644
--- a/drivers/staging/echo/bit_operations.h
+++ b/drivers/staging/echo/bit_operations.h
@@ -36,14 +36,15 @@
     \return The bit number of the highest set bit, or -1 if the word is zero. */
 static __inline__ int top_bit(unsigned int bits)
 {
-    int res;
-
-    __asm__ (" xorl %[res],%[res];\n"
-             " decl %[res];\n"
-             " bsrl %[bits],%[res]\n"
-             : [res] "=&r" (res)
-             : [bits] "rm" (bits));
-    return res;
+	int res;
+
+	__asm__(" xorl %[res],%[res];\n"
+		" decl %[res];\n"
+		" bsrl %[bits],%[res]\n"
+		:[res] "=&r" (res)
+		:[bits] "rm"(bits)
+	);
+	return res;
 }
 
 /*! \brief Find the bit position of the lowest set bit in a word
@@ -51,84 +52,75 @@ static __inline__ int top_bit(unsigned int bits)
     \return The bit number of the lowest set bit, or -1 if the word is zero. */
 static __inline__ int bottom_bit(unsigned int bits)
 {
-    int res;
-
-    __asm__ (" xorl %[res],%[res];\n"
-             " decl %[res];\n"
-             " bsfl %[bits],%[res]\n"
-             : [res] "=&r" (res)
-             : [bits] "rm" (bits));
-    return res;
+	int res;
+
+	__asm__(" xorl %[res],%[res];\n"
+		" decl %[res];\n"
+		" bsfl %[bits],%[res]\n"
+		:[res] "=&r" (res)
+		:[bits] "rm"(bits)
+	);
+	return res;
 }
 #else
 static __inline__ int top_bit(unsigned int bits)
 {
-    int i;
-
-    if (bits == 0)
-        return -1;
-    i = 0;
-    if (bits & 0xFFFF0000)
-    {
-        bits &= 0xFFFF0000;
-        i += 16;
-    }
-    if (bits & 0xFF00FF00)
-    {
-        bits &= 0xFF00FF00;
-        i += 8;
-    }
-    if (bits & 0xF0F0F0F0)
-    {
-        bits &= 0xF0F0F0F0;
-        i += 4;
-    }
-    if (bits & 0xCCCCCCCC)
-    {
-        bits &= 0xCCCCCCCC;
-        i += 2;
-    }
-    if (bits & 0xAAAAAAAA)
-    {
-        bits &= 0xAAAAAAAA;
-        i += 1;
-    }
-    return i;
+	int i;
+
+	if (bits == 0)
+		return -1;
+	i = 0;
+	if (bits & 0xFFFF0000) {
+		bits &= 0xFFFF0000;
+		i += 16;
+	}
+	if (bits & 0xFF00FF00) {
+		bits &= 0xFF00FF00;
+		i += 8;
+	}
+	if (bits & 0xF0F0F0F0) {
+		bits &= 0xF0F0F0F0;
+		i += 4;
+	}
+	if (bits & 0xCCCCCCCC) {
+		bits &= 0xCCCCCCCC;
+		i += 2;
+	}
+	if (bits & 0xAAAAAAAA) {
+		bits &= 0xAAAAAAAA;
+		i += 1;
+	}
+	return i;
 }
 
 static __inline__ int bottom_bit(unsigned int bits)
 {
-    int i;
-
-    if (bits == 0)
-        return -1;
-    i = 32;
-    if (bits & 0x0000FFFF)
-    {
-        bits &= 0x0000FFFF;
-        i -= 16;
-    }
-    if (bits & 0x00FF00FF)
-    {
-        bits &= 0x00FF00FF;
-        i -= 8;
-    }
-    if (bits & 0x0F0F0F0F)
-    {
-        bits &= 0x0F0F0F0F;
-        i -= 4;
-    }
-    if (bits & 0x33333333)
-    {
-        bits &= 0x33333333;
-        i -= 2;
-    }
-    if (bits & 0x55555555)
-    {
-        bits &= 0x55555555;
-        i -= 1;
-    }
-    return i;
+	int i;
+
+	if (bits == 0)
+		return -1;
+	i = 32;
+	if (bits & 0x0000FFFF) {
+		bits &= 0x0000FFFF;
+		i -= 16;
+	}
+	if (bits & 0x00FF00FF) {
+		bits &= 0x00FF00FF;
+		i -= 8;
+	}
+	if (bits & 0x0F0F0F0F) {
+		bits &= 0x0F0F0F0F;
+		i -= 4;
+	}
+	if (bits & 0x33333333) {
+		bits &= 0x33333333;
+		i -= 2;
+	}
+	if (bits & 0x55555555) {
+		bits &= 0x55555555;
+		i -= 1;
+	}
+	return i;
 }
 #endif
 
@@ -138,13 +130,14 @@ static __inline__ int bottom_bit(unsigned int bits)
 static __inline__ uint8_t bit_reverse8(uint8_t x)
 {
 #if defined(__i386__)  ||  defined(__x86_64__)
-    /* If multiply is fast */
-    return ((x*0x0802U & 0x22110U) | (x*0x8020U & 0x88440U))*0x10101U >> 16;
+	/* If multiply is fast */
+	return ((x * 0x0802U & 0x22110U) | (x * 0x8020U & 0x88440U)) *
+	    0x10101U >> 16;
 #else
-    /* If multiply is slow, but we have a barrel shifter */
-    x = (x >> 4) | (x << 4);
-    x = ((x & 0xCC) >> 2) | ((x & 0x33) << 2);
-    return ((x & 0xAA) >> 1) | ((x & 0x55) << 1);
+	/* If multiply is slow, but we have a barrel shifter */
+	x = (x >> 4) | (x << 4);
+	x = ((x & 0xCC) >> 2) | ((x & 0x33) << 2);
+	return ((x & 0xAA) >> 1) | ((x & 0x55) << 1);
 #endif
 }
 
@@ -184,7 +177,7 @@ uint16_t make_mask16(uint16_t x);
     \return The word with the single set bit. */
 static __inline__ uint32_t least_significant_one32(uint32_t x)
 {
-    return (x & (-(int32_t) x));
+	return (x & (-(int32_t) x));
 }
 
 /*! \brief Find the most significant one in a word, and return a word
@@ -194,10 +187,10 @@ static __inline__ uint32_t least_significant_one32(uint32_t x)
 static __inline__ uint32_t most_significant_one32(uint32_t x)
 {
 #if defined(__i386__)  ||  defined(__x86_64__)
-    return 1 << top_bit(x);
+	return 1 << top_bit(x);
 #else
-    x = make_mask32(x);
-    return (x ^ (x >> 1));
+	x = make_mask32(x);
+	return (x ^ (x >> 1));
 #endif
 }
 
@@ -206,8 +199,8 @@ static __inline__ uint32_t most_significant_one32(uint32_t x)
     \return 1 for odd, or 0 for even. */
 static __inline__ int parity8(uint8_t x)
 {
-    x = (x ^ (x >> 4)) & 0x0F;
-    return (0x6996 >> x) & 1;
+	x = (x ^ (x >> 4)) & 0x0F;
+	return (0x6996 >> x) & 1;
 }
 
 /*! \brief Find the parity of a 16 bit word.
@@ -215,9 +208,9 @@ static __inline__ int parity8(uint8_t x)
     \return 1 for odd, or 0 for even. */
 static __inline__ int parity16(uint16_t x)
 {
-    x ^= (x >> 8);
-    x = (x ^ (x >> 4)) & 0x0F;
-    return (0x6996 >> x) & 1;
+	x ^= (x >> 8);
+	x = (x ^ (x >> 4)) & 0x0F;
+	return (0x6996 >> x) & 1;
 }
 
 /*! \brief Find the parity of a 32 bit word.
@@ -225,10 +218,10 @@ static __inline__ int parity16(uint16_t x)
     \return 1 for odd, or 0 for even. */
 static __inline__ int parity32(uint32_t x)
 {
-    x ^= (x >> 16);
-    x ^= (x >> 8);
-    x = (x ^ (x >> 4)) & 0x0F;
-    return (0x6996 >> x) & 1;
+	x ^= (x >> 16);
+	x ^= (x >> 8);
+	x = (x ^ (x >> 4)) & 0x0F;
+	return (0x6996 >> x) & 1;
 }
 
 #endif
diff --git a/drivers/staging/echo/echo.c b/drivers/staging/echo/echo.c
index ad18a959393..b8f2c5e9dee 100644
--- a/drivers/staging/echo/echo.c
+++ b/drivers/staging/echo/echo.c
@@ -74,7 +74,6 @@
 
    Steve also has some nice notes on echo cancellers in echo.h
 
-
    References:
 
    [1] Ochiai, Areseki, and Ogihara, "Echo Canceller with Two Echo
@@ -105,7 +104,7 @@
    Mark, Pawel, and Pavel.
 */
 
-#include <linux/kernel.h>       /* We're doing kernel work */
+#include <linux/kernel.h>	/* We're doing kernel work */
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
@@ -115,8 +114,8 @@
 
 #define MIN_TX_POWER_FOR_ADAPTION   64
 #define MIN_RX_POWER_FOR_ADAPTION   64
-#define DTD_HANGOVER               600     /* 600 samples, or 75ms     */
-#define DC_LOG2BETA                  3     /* log2() of DC filter Beta */
+#define DTD_HANGOVER               600	/* 600 samples, or 75ms     */
+#define DC_LOG2BETA                  3	/* log2() of DC filter Beta */
 
 /*-----------------------------------------------------------------------*\
                                FUNCTIONS
@@ -124,59 +123,58 @@
 
 /* adapting coeffs using the traditional stochastic descent (N)LMS algorithm */
 
-
 #ifdef __bfin__
-static void __inline__ lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
+static void __inline__ lms_adapt_bg(struct oslec_state *ec, int clean,
+				    int shift)
 {
-    int i, j;
-    int offset1;
-    int offset2;
-    int factor;
-    int exp;
-    int16_t *phist;
-    int n;
-
-    if (shift > 0)
-	factor = clean << shift;
-    else
-	factor = clean >> -shift;
-
-    /* Update the FIR taps */
-
-    offset2 = ec->curr_pos;
-    offset1 = ec->taps - offset2;
-    phist = &ec->fir_state_bg.history[offset2];
-
-    /* st: and en: help us locate the assembler in echo.s */
-
-    //asm("st:");
-    n = ec->taps;
-    for (i = 0, j = offset2;  i < n;  i++, j++)
-    {
-       exp = *phist++ * factor;
-       ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15);
-    }
-    //asm("en:");
-
-    /* Note the asm for the inner loop above generated by Blackfin gcc
-       4.1.1 is pretty good (note even parallel instructions used):
-
-    	R0 = W [P0++] (X);
-	R0 *= R2;
-	R0 = R0 + R3 (NS) ||
-	R1 = W [P1] (X) ||
-	nop;
-	R0 >>>= 15;
-	R0 = R0 + R1;
-	W [P1++] = R0;
-
-	A block based update algorithm would be much faster but the
-	above can't be improved on much.  Every instruction saved in
-	the loop above is 2 MIPs/ch!  The for loop above is where the
-	Blackfin spends most of it's time - about 17 MIPs/ch measured
-	with speedtest.c with 256 taps (32ms).  Write-back and
-	Write-through cache gave about the same performance.
-    */
+	int i, j;
+	int offset1;
+	int offset2;
+	int factor;
+	int exp;
+	int16_t *phist;
+	int n;
+
+	if (shift > 0)
+		factor = clean << shift;
+	else
+		factor = clean >> -shift;
+
+	/* Update the FIR taps */
+
+	offset2 = ec->curr_pos;
+	offset1 = ec->taps - offset2;
+	phist = &ec->fir_state_bg.history[offset2];
+
+	/* st: and en: help us locate the assembler in echo.s */
+
+	//asm("st:");
+	n = ec->taps;
+	for (i = 0, j = offset2; i < n; i++, j++) {
+		exp = *phist++ * factor;
+		ec->fir_taps16[1][i] += (int16_t) ((exp + (1 << 14)) >> 15);
+	}
+	//asm("en:");
+
+	/* Note the asm for the inner loop above generated by Blackfin gcc
+	   4.1.1 is pretty good (note even parallel instructions used):
+
+	   R0 = W [P0++] (X);
+	   R0 *= R2;
+	   R0 = R0 + R3 (NS) ||
+	   R1 = W [P1] (X) ||
+	   nop;
+	   R0 >>>= 15;
+	   R0 = R0 + R1;
+	   W [P1++] = R0;
+
+	   A block based update algorithm would be much faster but the
+	   above can't be improved on much.  Every instruction saved in
+	   the loop above is 2 MIPs/ch!  The for loop above is where the
+	   Blackfin spends most of it's time - about 17 MIPs/ch measured
+	   with speedtest.c with 256 taps (32ms).  Write-back and
+	   Write-through cache gave about the same performance.
+	 */
 }
 
 /*
@@ -198,94 +196,90 @@ static void __inline__ lms_adapt_bg(struct oslec_state *ec, int clean, int shift
 */
 
 #else
-static __inline__ void lms_adapt_bg(struct oslec_state *ec, int clean, int shift)
+static __inline__ void lms_adapt_bg(struct oslec_state *ec, int clean,
+				    int shift)
 {
-    int i;
-
-    int offset1;
-    int offset2;
-    int factor;
-    int exp;
-
-    if (shift > 0)
-	factor = clean << shift;
-    else
-	factor = clean >> -shift;
-
-    /* Update the FIR taps */
-
-    offset2 = ec->curr_pos;
-    offset1 = ec->taps - offset2;
-
-    for (i = ec->taps - 1;  i >= offset1;  i--)
-    {
-       exp = (ec->fir_state_bg.history[i - offset1]*factor);
-       ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15);
-    }
-    for (  ;  i >= 0;  i--)
-    {
-       exp = (ec->fir_state_bg.history[i + offset2]*factor);
-       ec->fir_taps16[1][i] += (int16_t) ((exp+(1<<14)) >> 15);
-    }
+	int i;
+
+	int offset1;
+	int offset2;
+	int factor;
+	int exp;
+
+	if (shift > 0)
+		factor = clean << shift;
+	else
+		factor = clean >> -shift;
+
+	/* Update the FIR taps */
+
+	offset2 = ec->curr_pos;
+	offset1 = ec->taps - offset2;
+
+	for (i = ec->taps - 1; i >= offset1; i--) {
+		exp = (ec->fir_state_bg.history[i - offset1] * factor);
+		ec->fir_taps16[1][i] += (int16_t) ((exp + (1 << 14)) >> 15);
+	}
+	for (; i >= 0; i--) {
+		exp = (ec->fir_state_bg.history[i + offset2] * factor);
+		ec->fir_taps16[1][i] += (int16_t) ((exp + (1 << 14)) >> 15);
+	}
 }
 #endif
 
-
 struct oslec_state *oslec_create(int len, int adaption_mode)
 {
-    struct oslec_state *ec;
-    int i;
-
-    ec = kzalloc(sizeof(*ec), GFP_KERNEL);
-    if (!ec)
-        return NULL;
-
-    ec->taps = len;
-    ec->log2taps = top_bit(len);
-    ec->curr_pos = ec->taps - 1;
-
-    for (i = 0; i < 2; i++) {
-        ec->fir_taps16[i] = kcalloc(ec->taps, sizeof(int16_t), GFP_KERNEL);
-        if (!ec->fir_taps16[i])
-	    goto error_oom;
-    }
-
-    fir16_create(&ec->fir_state,
-                 ec->fir_taps16[0],
-                 ec->taps);
-    fir16_create(&ec->fir_state_bg,
-                 ec->fir_taps16[1],
-                 ec->taps);
-
-    for(i=0; i<5; i++) {
-      ec->xvtx[i] = ec->yvtx[i] = ec->xvrx[i] = ec->yvrx[i] = 0;
-    }
-
-    ec->cng_level = 1000;
-    oslec_adaption_mode(ec, adaption_mode);
-
-    ec->snapshot = kcalloc(ec->taps, sizeof(int16_t), GFP_KERNEL);
-    if (!ec->snapshot)
-        goto error_oom;
-
-    ec->cond_met = 0;
-    ec->Pstates = 0;
-    ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0;
-    ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0;
-    ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0;
-    ec->Lbgn = ec->Lbgn_acc = 0;
-    ec->Lbgn_upper = 200;
-    ec->Lbgn_upper_acc = ec->Lbgn_upper << 13;
-
-    return  ec;
-
-error_oom:
-    for (i = 0; i < 2; i++)
-        kfree(ec->fir_taps16[i]);
-
-    kfree(ec);
-    return NULL;
+	struct oslec_state *ec;
+	int i;
+
+	ec = kzalloc(sizeof(*ec), GFP_KERNEL);
+	if (!ec)
+		return NULL;
+
+	ec->taps = len;
+	ec->log2taps = top_bit(len);
+	ec->curr_pos = ec->taps - 1;
+
+	for (i = 0; i < 2; i++) {
+		ec->fir_taps16[i] =
+		    kcalloc(ec->taps, sizeof(int16_t), GFP_KERNEL);
+		if (!ec->fir_taps16[i])
+			goto error_oom;
+	}
+
+	fir16_create(&ec->fir_state, ec->fir_taps16[0], ec->taps);
+	fir16_create(&ec->fir_state_bg, ec->fir_taps16[1], ec->taps);
+
+	for (i = 0; i < 5; i++) {
+		ec->xvtx[i] = ec->yvtx[i] = ec->xvrx[i] = ec->yvrx[i] = 0;
+	}
+
+	ec->cng_level = 1000;
+	oslec_adaption_mode(ec, adaption_mode);
+
+	ec->snapshot = kcalloc(ec->taps, sizeof(int16_t), GFP_KERNEL);
+	if (!ec->snapshot)
+		goto error_oom;
+
+	ec->cond_met = 0;
+	ec->Pstates = 0;
+	ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0;
+	ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0;
+	ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0;
+	ec->Lbgn = ec->Lbgn_acc = 0;
+	ec->Lbgn_upper = 200;
+	ec->Lbgn_upper_acc = ec->Lbgn_upper << 13;
+
+	return ec;
+
+      error_oom:
+	for (i = 0; i < 2; i++)
+		kfree(ec->fir_taps16[i]);
+
+	kfree(ec);
+	return NULL;
 }
+
 EXPORT_SYMBOL_GPL(oslec_create);
 
 void oslec_free(struct oslec_state *ec)
@@ -294,293 +288,300 @@ void oslec_free(struct oslec_state *ec)
 
 	fir16_free(&ec->fir_state);
 	fir16_free(&ec->fir_state_bg);
-	for (i = 0;  i < 2;  i++)
+	for (i = 0; i < 2; i++)
 		kfree(ec->fir_taps16[i]);
 	kfree(ec->snapshot);
 	kfree(ec);
 }
+
 EXPORT_SYMBOL_GPL(oslec_free);
 
 void oslec_adaption_mode(struct oslec_state *ec, int adaption_mode)
 {
-    ec->adaption_mode = adaption_mode;
+	ec->adaption_mode = adaption_mode;
 }
+
 EXPORT_SYMBOL_GPL(oslec_adaption_mode);
 
 void oslec_flush(struct oslec_state *ec)
 {
-    int i;
+	int i;
 
-    ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0;
-    ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0;
-    ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0;
+	ec->Ltxacc = ec->Lrxacc = ec->Lcleanacc = ec->Lclean_bgacc = 0;
+	ec->Ltx = ec->Lrx = ec->Lclean = ec->Lclean_bg = 0;
+	ec->tx_1 = ec->tx_2 = ec->rx_1 = ec->rx_2 = 0;
 
-    ec->Lbgn = ec->Lbgn_acc = 0;
-    ec->Lbgn_upper = 200;
-    ec->Lbgn_upper_acc = ec->Lbgn_upper << 13;
+	ec->Lbgn = ec->Lbgn_acc = 0;
+	ec->Lbgn_upper = 200;
+	ec->Lbgn_upper_acc = ec->Lbgn_upper << 13;
 
-    ec->nonupdate_dwell = 0;
+	ec->nonupdate_dwell = 0;
 
-    fir16_flush(&ec->fir_state);
-    fir16_flush(&ec->fir_state_bg);
-    ec->fir_state.curr_pos = ec->taps - 1;
-    ec->fir_state_bg.curr_pos = ec->taps - 1;
-    for (i = 0;  i < 2;  i++)
-        memset(ec->fir_taps16[i], 0, ec->taps*sizeof(int16_t));
+	fir16_flush(&ec->fir_state);
+	fir16_flush(&ec->fir_state_bg);
+	ec->fir_state.curr_pos = ec->taps - 1;
+	ec->fir_state_bg.curr_pos = ec->taps - 1;
+	for (i = 0; i < 2; i++)
+		memset(ec->fir_taps16[i], 0, ec->taps * sizeof(int16_t));
 
-    ec->curr_pos = ec->taps - 1;
-    ec->Pstates = 0;
+	ec->curr_pos = ec->taps - 1;
+	ec->Pstates = 0;
 }
+
 EXPORT_SYMBOL_GPL(oslec_flush);
 
-void oslec_snapshot(struct oslec_state *ec) {
-    memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps*sizeof(int16_t));
+void oslec_snapshot(struct oslec_state *ec)
+{
+	memcpy(ec->snapshot, ec->fir_taps16[0], ec->taps * sizeof(int16_t));
 }
+
 EXPORT_SYMBOL_GPL(oslec_snapshot);
 
 /* Dual Path Echo Canceller ------------------------------------------------*/
 
 int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
 {
-    int32_t echo_value;
-    int clean_bg;
-    int tmp, tmp1;
-
-    /* Input scaling was found be required to prevent problems when tx
-       starts clipping.  Another possible way to handle this would be the
-       filter coefficent scaling. */
-
-    ec->tx = tx; ec->rx = rx;
-    tx >>=1;
-    rx >>=1;
-
-    /*
-       Filter DC, 3dB point is 160Hz (I think), note 32 bit precision required
-       otherwise values do not track down to 0. Zero at DC, Pole at (1-Beta)
-       only real axis.  Some chip sets (like Si labs) don't need
-       this, but something like a $10 X100P card does.  Any DC really slows
-       down convergence.
-
-       Note: removes some low frequency from the signal, this reduces
-       the speech quality when listening to samples through headphones
-       but may not be obvious through a telephone handset.
-
-       Note that the 3dB frequency in radians is approx Beta, e.g. for
-       Beta = 2^(-3) = 0.125, 3dB freq is 0.125 rads = 159Hz.
-    */
-
-    if (ec->adaption_mode & ECHO_CAN_USE_RX_HPF) {
-      tmp = rx << 15;
+	int32_t echo_value;
+	int clean_bg;
+	int tmp, tmp1;
+
+	/* Input scaling was found be required to prevent problems when tx
+	   starts clipping.  Another possible way to handle this would be the
+	   filter coefficent scaling. */
+
+	ec->tx = tx;
+	ec->rx = rx;
+	tx >>= 1;
+	rx >>= 1;
+
+	/*
+	   Filter DC, 3dB point is 160Hz (I think), note 32 bit precision required
+	   otherwise values do not track down to 0. Zero at DC, Pole at (1-Beta)
+	   only real axis.  Some chip sets (like Si labs) don't need
+	   this, but something like a $10 X100P card does.  Any DC really slows
+	   down convergence.
+
+	   Note: removes some low frequency from the signal, this reduces
+	   the speech quality when listening to samples through headphones
+	   but may not be obvious through a telephone handset.
+
+	   Note that the 3dB frequency in radians is approx Beta, e.g. for
+	   Beta = 2^(-3) = 0.125, 3dB freq is 0.125 rads = 159Hz.
+	 */
+
+	if (ec->adaption_mode & ECHO_CAN_USE_RX_HPF) {
+		tmp = rx << 15;
 #if 1
-        /* Make sure the gain of the HPF is 1.0. This can still saturate a little under
-           impulse conditions, and it might roll to 32768 and need clipping on sustained peak
-           level signals. However, the scale of such clipping is small, and the error due to
-           any saturation should not markedly affect the downstream processing. */
-        tmp -= (tmp >> 4);
+		/* Make sure the gain of the HPF is 1.0. This can still saturate a little under
+		   impulse conditions, and it might roll to 32768 and need clipping on sustained peak
+		   level signals. However, the scale of such clipping is small, and the error due to
+		   any saturation should not markedly affect the downstream processing. */
+		tmp -= (tmp >> 4);
 #endif
-      ec->rx_1 += -(ec->rx_1>>DC_LOG2BETA) + tmp - ec->rx_2;
+		ec->rx_1 += -(ec->rx_1 >> DC_LOG2BETA) + tmp - ec->rx_2;
+
+		/* hard limit filter to prevent clipping.  Note that at this stage
+		   rx should be limited to +/- 16383 due to right shift above */
+		tmp1 = ec->rx_1 >> 15;
+		if (tmp1 > 16383)
+			tmp1 = 16383;
+		if (tmp1 < -16383)
+			tmp1 = -16383;
+		rx = tmp1;
+		ec->rx_2 = tmp;
+	}
 
-      /* hard limit filter to prevent clipping.  Note that at this stage
-	 rx should be limited to +/- 16383 due to right shift above */
-      tmp1 = ec->rx_1 >> 15;
-      if (tmp1 > 16383) tmp1 = 16383;
-      if (tmp1 < -16383) tmp1 = -16383;
-      rx = tmp1;
-      ec->rx_2 = tmp;
-    }
+	/* Block average of power in the filter states.  Used for
+	   adaption power calculation. */
 
-    /* Block average of power in the filter states.  Used for
-       adaption power calculation. */
+	{
+		int new, old;
+
+		/* efficient "out with the old and in with the new" algorithm so
+		   we don't have to recalculate over the whole block of
+		   samples. */
+		new = (int)tx *(int)tx;
+		old = (int)ec->fir_state.history[ec->fir_state.curr_pos] *
+		    (int)ec->fir_state.history[ec->fir_state.curr_pos];
+		ec->Pstates +=
+		    ((new - old) + (1 << ec->log2taps)) >> ec->log2taps;
+		if (ec->Pstates < 0)
+			ec->Pstates = 0;
+	}
 
-    {
-	int new, old;
+	/* Calculate short term average levels using simple single pole IIRs */
 
-	/* efficient "out with the old and in with the new" algorithm so
-	   we don't have to recalculate over the whole block of
-	   samples. */
-	new = (int)tx * (int)tx;
-	old = (int)ec->fir_state.history[ec->fir_state.curr_pos] *
-              (int)ec->fir_state.history[ec->fir_state.curr_pos];
-	ec->Pstates += ((new - old) + (1<<ec->log2taps)) >> ec->log2taps;
-	if (ec->Pstates < 0) ec->Pstates = 0;
-    }
-
-    /* Calculate short term average levels using simple single pole IIRs */
-
-    ec->Ltxacc += abs(tx) - ec->Ltx;
-    ec->Ltx = (ec->Ltxacc + (1<<4)) >> 5;
-    ec->Lrxacc += abs(rx) - ec->Lrx;
-    ec->Lrx = (ec->Lrxacc + (1<<4)) >> 5;
-
-    /* Foreground filter ---------------------------------------------------*/
-
-    ec->fir_state.coeffs = ec->fir_taps16[0];
-    echo_value = fir16(&ec->fir_state, tx);
-    ec->clean = rx - echo_value;
-    ec->Lcleanacc += abs(ec->clean) - ec->Lclean;
-    ec->Lclean = (ec->Lcleanacc + (1<<4)) >> 5;
-
-    /* Background filter ---------------------------------------------------*/
-
-    echo_value = fir16(&ec->fir_state_bg, tx);
-    clean_bg = rx - echo_value;
-    ec->Lclean_bgacc += abs(clean_bg) - ec->Lclean_bg;
-    ec->Lclean_bg = (ec->Lclean_bgacc + (1<<4)) >> 5;
-
-    /* Background Filter adaption -----------------------------------------*/
-
-    /* Almost always adap bg filter, just simple DT and energy
-       detection to minimise adaption in cases of strong double talk.
-       However this is not critical for the dual path algorithm.
-    */
-    ec->factor = 0;
-    ec->shift = 0;
-    if ((ec->nonupdate_dwell == 0)) {
-	int   P, logP, shift;
-
-	/* Determine:
-
-	   f = Beta * clean_bg_rx/P ------ (1)
-
-	   where P is the total power in the filter states.
-
-	   The Boffins have shown that if we obey (1) we converge
-	   quickly and avoid instability.
-
-	   The correct factor f must be in Q30, as this is the fixed
-	   point format required by the lms_adapt_bg() function,
-	   therefore the scaled version of (1) is:
-
-	   (2^30) * f  = (2^30) * Beta * clean_bg_rx/P
-	       factor  = (2^30) * Beta * clean_bg_rx/P         ----- (2)
-
-	   We have chosen Beta = 0.25 by experiment, so:
-
-	       factor  = (2^30) * (2^-2) * clean_bg_rx/P
-
-                                       (30 - 2 - log2(P))
-	       factor  = clean_bg_rx 2                         ----- (3)
-
-	   To avoid a divide we approximate log2(P) as top_bit(P),
-	   which returns the position of the highest non-zero bit in
-	   P.  This approximation introduces an error as large as a
-	   factor of 2, but the algorithm seems to handle it OK.
-
-	   Come to think of it a divide may not be a big deal on a
-	   modern DSP, so its probably worth checking out the cycles
-	   for a divide versus a top_bit() implementation.
-	*/
-
-	P = MIN_TX_POWER_FOR_ADAPTION + ec->Pstates;
-	logP = top_bit(P) + ec->log2taps;
-	shift = 30 - 2 - logP;
-	ec->shift = shift;
-
-	lms_adapt_bg(ec, clean_bg, shift);
-    }
-
-    /* very simple DTD to make sure we dont try and adapt with strong
-       near end speech */
-
-    ec->adapt = 0;
-    if ((ec->Lrx > MIN_RX_POWER_FOR_ADAPTION) && (ec->Lrx > ec->Ltx))
-	ec->nonupdate_dwell = DTD_HANGOVER;
-    if (ec->nonupdate_dwell)
-	ec->nonupdate_dwell--;
+	ec->Ltxacc += abs(tx) - ec->Ltx;
+	ec->Ltx = (ec->Ltxacc + (1 << 4)) >> 5;
+	ec->Lrxacc += abs(rx) - ec->Lrx;
+	ec->Lrx = (ec->Lrxacc + (1 << 4)) >> 5;
 
-    /* Transfer logic ------------------------------------------------------*/
+	/* Foreground filter --------------------------------------------------- */
 
-    /* These conditions are from the dual path paper [1], I messed with
-       them a bit to improve performance. */
+	ec->fir_state.coeffs = ec->fir_taps16[0];
+	echo_value = fir16(&ec->fir_state, tx);
+	ec->clean = rx - echo_value;
+	ec->Lcleanacc += abs(ec->clean) - ec->Lclean;
+	ec->Lclean = (ec->Lcleanacc + (1 << 4)) >> 5;
 
-    if ((ec->adaption_mode & ECHO_CAN_USE_ADAPTION) &&
-	(ec->nonupdate_dwell == 0) &&
-	(8*ec->Lclean_bg < 7*ec->Lclean) /* (ec->Lclean_bg < 0.875*ec->Lclean) */ &&
-	(8*ec->Lclean_bg < ec->Ltx)      /* (ec->Lclean_bg < 0.125*ec->Ltx)    */ )
-    {
-	if (ec->cond_met == 6) {
-	    /* BG filter has had better results for 6 consecutive samples */
-	    ec->adapt = 1;
-	    memcpy(ec->fir_taps16[0], ec->fir_taps16[1], ec->taps*sizeof(int16_t));
-	}
-	else
-	    ec->cond_met++;
-    }
-    else
-	ec->cond_met = 0;
+	/* Background filter --------------------------------------------------- */
 
-    /* Non-Linear Processing ---------------------------------------------------*/
+	echo_value = fir16(&ec->fir_state_bg, tx);
+	clean_bg = rx - echo_value;
+	ec->Lclean_bgacc += abs(clean_bg) - ec->Lclean_bg;
+	ec->Lclean_bg = (ec->Lclean_bgacc + (1 << 4)) >> 5;
 
-    ec->clean_nlp = ec->clean;
-    if (ec->adaption_mode & ECHO_CAN_USE_NLP)
-    {
-        /* Non-linear processor - a fancy way to say "zap small signals, to avoid
-           residual echo due to (uLaw/ALaw) non-linearity in the channel.". */
+	/* Background Filter adaption ----------------------------------------- */
 
-      if ((16*ec->Lclean < ec->Ltx))
-      {
-	/* Our e/c has improved echo by at least 24 dB (each factor of 2 is 6dB,
-	   so 2*2*2*2=16 is the same as 6+6+6+6=24dB) */
-        if (ec->adaption_mode & ECHO_CAN_USE_CNG)
-	{
-	    ec->cng_level = ec->Lbgn;
-
-	    /* Very elementary comfort noise generation.  Just random
-	       numbers rolled off very vaguely Hoth-like.  DR: This
-	       noise doesn't sound quite right to me - I suspect there
-	       are some overlfow issues in the filtering as it's too
-	       "crackly".  TODO: debug this, maybe just play noise at
-	       high level or look at spectrum.
-	    */
-
-	    ec->cng_rndnum = 1664525U*ec->cng_rndnum + 1013904223U;
-	    ec->cng_filter = ((ec->cng_rndnum & 0xFFFF) - 32768 + 5*ec->cng_filter) >> 3;
-	    ec->clean_nlp = (ec->cng_filter*ec->cng_level*8) >> 14;
-
-        }
-        else if (ec->adaption_mode & ECHO_CAN_USE_CLIP)
-	{
-	    /* This sounds much better than CNG */
-	    if (ec->clean_nlp > ec->Lbgn)
-	      ec->clean_nlp = ec->Lbgn;
-	    if (ec->clean_nlp < -ec->Lbgn)
-	      ec->clean_nlp = -ec->Lbgn;
+	/* Almost always adap bg filter, just simple DT and energy
+	   detection to minimise adaption in cases of strong double talk.
+	   However this is not critical for the dual path algorithm.
+	 */
+	ec->factor = 0;
+	ec->shift = 0;
+	if ((ec->nonupdate_dwell == 0)) {
+		int P, logP, shift;
+
+		/* Determine:
+
+		   f = Beta * clean_bg_rx/P ------ (1)
+
+		   where P is the total power in the filter states.
+
+		   The Boffins have shown that if we obey (1) we converge
+		   quickly and avoid instability.
+
+		   The correct factor f must be in Q30, as this is the fixed
+		   point format required by the lms_adapt_bg() function,
+		   therefore the scaled version of (1) is:
+
+		   (2^30) * f  = (2^30) * Beta * clean_bg_rx/P
+		   factor  = (2^30) * Beta * clean_bg_rx/P         ----- (2)
+
+		   We have chosen Beta = 0.25 by experiment, so:
+
+		   factor  = (2^30) * (2^-2) * clean_bg_rx/P
+
+		   (30 - 2 - log2(P))
+		   factor  = clean_bg_rx 2                         ----- (3)
+
+		   To avoid a divide we approximate log2(P) as top_bit(P),
+		   which returns the position of the highest non-zero bit in
+		   P.  This approximation introduces an error as large as a
+		   factor of 2, but the algorithm seems to handle it OK.
+
+		   Come to think of it a divide may not be a big deal on a
+		   modern DSP, so its probably worth checking out the cycles
+		   for a divide versus a top_bit() implementation.
+		 */
+
+		P = MIN_TX_POWER_FOR_ADAPTION + ec->Pstates;
+		logP = top_bit(P) + ec->log2taps;
+		shift = 30 - 2 - logP;
+		ec->shift = shift;
+
+		lms_adapt_bg(ec, clean_bg, shift);
 	}
-	else
-        {
-	  /* just mute the residual, doesn't sound very good, used mainly
-	     in G168 tests */
-          ec->clean_nlp = 0;
-        }
-      }
-      else {
-	  /* Background noise estimator.  I tried a few algorithms
-	     here without much luck.  This very simple one seems to
-	     work best, we just average the level using a slow (1 sec
-	     time const) filter if the current level is less than a
-	     (experimentally derived) constant.  This means we dont
-	     include high level signals like near end speech.  When
-	     combined with CNG or especially CLIP seems to work OK.
-	  */
-	  if (ec->Lclean < 40) {
-	      ec->Lbgn_acc += abs(ec->clean) - ec->Lbgn;
-	      ec->Lbgn = (ec->Lbgn_acc + (1<<11)) >> 12;
-	  }
-       }
-    }
-
-    /* Roll around the taps buffer */
-    if (ec->curr_pos <= 0)
-        ec->curr_pos = ec->taps;
-    ec->curr_pos--;
-
-    if (ec->adaption_mode & ECHO_CAN_DISABLE)
-      ec->clean_nlp = rx;
-
-    /* Output scaled back up again to match input scaling */
-
-    return (int16_t) ec->clean_nlp << 1;
+
+	/* very simple DTD to make sure we dont try and adapt with strong
+	   near end speech */
+
+	ec->adapt = 0;
+	if ((ec->Lrx > MIN_RX_POWER_FOR_ADAPTION) && (ec->Lrx > ec->Ltx))
+		ec->nonupdate_dwell = DTD_HANGOVER;
+	if (ec->nonupdate_dwell)
+		ec->nonupdate_dwell--;
+
+	/* Transfer logic ------------------------------------------------------ */
+
+	/* These conditions are from the dual path paper [1], I messed with
+	   them a bit to improve performance. */
+
+	if ((ec->adaption_mode & ECHO_CAN_USE_ADAPTION) &&
+	    (ec->nonupdate_dwell == 0) &&
+	    (8 * ec->Lclean_bg <
+	     7 * ec->Lclean) /* (ec->Lclean_bg < 0.875*ec->Lclean) */ &&
+	    (8 * ec->Lclean_bg <
+	     ec->Ltx) /* (ec->Lclean_bg < 0.125*ec->Ltx)    */ ) {
+		if (ec->cond_met == 6) {
+			/* BG filter has had better results for 6 consecutive samples */
+			ec->adapt = 1;
+			memcpy(ec->fir_taps16[0], ec->fir_taps16[1],
+			       ec->taps * sizeof(int16_t));
+		} else
+			ec->cond_met++;
+	} else
+		ec->cond_met = 0;
+
+	/* Non-Linear Processing --------------------------------------------------- */
+
+	ec->clean_nlp = ec->clean;
+	if (ec->adaption_mode & ECHO_CAN_USE_NLP) {
+		/* Non-linear processor - a fancy way to say "zap small signals, to avoid
+		   residual echo due to (uLaw/ALaw) non-linearity in the channel.". */
+
+		if ((16 * ec->Lclean < ec->Ltx)) {
+			/* Our e/c has improved echo by at least 24 dB (each factor of 2 is 6dB,
+			   so 2*2*2*2=16 is the same as 6+6+6+6=24dB) */
+			if (ec->adaption_mode & ECHO_CAN_USE_CNG) {
+				ec->cng_level = ec->Lbgn;
+
+				/* Very elementary comfort noise generation.  Just random
+				   numbers rolled off very vaguely Hoth-like.  DR: This
+				   noise doesn't sound quite right to me - I suspect there
+				   are some overlfow issues in the filtering as it's too
+				   "crackly".  TODO: debug this, maybe just play noise at
+				   high level or look at spectrum.
+				 */
+
+				ec->cng_rndnum =
+				    1664525U * ec->cng_rndnum + 1013904223U;
+				ec->cng_filter =
+				    ((ec->cng_rndnum & 0xFFFF) - 32768 +
+				     5 * ec->cng_filter) >> 3;
+				ec->clean_nlp =
+				    (ec->cng_filter * ec->cng_level * 8) >> 14;
+
+			} else if (ec->adaption_mode & ECHO_CAN_USE_CLIP) {
+				/* This sounds much better than CNG */
+				if (ec->clean_nlp > ec->Lbgn)
+					ec->clean_nlp = ec->Lbgn;
+				if (ec->clean_nlp < -ec->Lbgn)
+					ec->clean_nlp = -ec->Lbgn;
+			} else {
+				/* just mute the residual, doesn't sound very good, used mainly
+				   in G168 tests */
+				ec->clean_nlp = 0;
+			}
+		} else {
+			/* Background noise estimator.  I tried a few algorithms
+			   here without much luck.  This very simple one seems to
+			   work best, we just average the level using a slow (1 sec
+			   time const) filter if the current level is less than a
+			   (experimentally derived) constant.  This means we dont
+			   include high level signals like near end speech.  When
+			   combined with CNG or especially CLIP seems to work OK.
+			 */
+			if (ec->Lclean < 40) {
+				ec->Lbgn_acc += abs(ec->clean) - ec->Lbgn;
+				ec->Lbgn = (ec->Lbgn_acc + (1 << 11)) >> 12;
+			}
+		}
+	}
+
+	/* Roll around the taps buffer */
+	if (ec->curr_pos <= 0)
+		ec->curr_pos = ec->taps;
+	ec->curr_pos--;
+
+	if (ec->adaption_mode & ECHO_CAN_DISABLE)
+		ec->clean_nlp = rx;
+
+	/* Output scaled back up again to match input scaling */
+
+	return (int16_t) ec->clean_nlp << 1;
 }
+
 EXPORT_SYMBOL_GPL(oslec_update);
 
 /* This function is seperated from the echo canceller is it is usually called
@@ -604,28 +605,32 @@ EXPORT_SYMBOL_GPL(oslec_update);
    precision, which noise shapes things, giving very clean DC removal.
 */
 
-int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx) {
-    int tmp, tmp1;
+int16_t oslec_hpf_tx(struct oslec_state * ec, int16_t tx)
+{
+	int tmp, tmp1;
 
-    if (ec->adaption_mode & ECHO_CAN_USE_TX_HPF) {
-        tmp = tx << 15;
+	if (ec->adaption_mode & ECHO_CAN_USE_TX_HPF) {
+		tmp = tx << 15;
 #if 1
-        /* Make sure the gain of the HPF is 1.0. The first can still saturate a little under
-           impulse conditions, and it might roll to 32768 and need clipping on sustained peak
-           level signals. However, the scale of such clipping is small, and the error due to
-           any saturation should not markedly affect the downstream processing. */
-        tmp -= (tmp >> 4);
+		/* Make sure the gain of the HPF is 1.0. The first can still saturate a little under
+		   impulse conditions, and it might roll to 32768 and need clipping on sustained peak
+		   level signals. However, the scale of such clipping is small, and the error due to
+		   any saturation should not markedly affect the downstream processing. */
+		tmp -= (tmp >> 4);
 #endif
-        ec->tx_1 += -(ec->tx_1>>DC_LOG2BETA) + tmp - ec->tx_2;
-        tmp1 = ec->tx_1 >> 15;
-	if (tmp1 > 32767) tmp1 = 32767;
-	if (tmp1 < -32767) tmp1 = -32767;
-	tx = tmp1;
-        ec->tx_2 = tmp;
-    }
-
-    return tx;
+		ec->tx_1 += -(ec->tx_1 >> DC_LOG2BETA) + tmp - ec->tx_2;
+		tmp1 = ec->tx_1 >> 15;
+		if (tmp1 > 32767)
+			tmp1 = 32767;
+		if (tmp1 < -32767)
+			tmp1 = -32767;
+		tx = tmp1;
+		ec->tx_2 = tmp;
+	}
+
+	return tx;
 }
+
 EXPORT_SYMBOL_GPL(oslec_hpf_tx);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/staging/echo/echo.h b/drivers/staging/echo/echo.h
index 2a1d1d8a929..9fb9543c4f1 100644
--- a/drivers/staging/echo/echo.h
+++ b/drivers/staging/echo/echo.h
@@ -124,9 +124,8 @@ a minor burden.
     G.168 echo canceller descriptor. This defines the working state for a line
     echo canceller.
 */
-struct oslec_state
-{
-	int16_t tx,rx;
+struct oslec_state {
+	int16_t tx, rx;
 	int16_t clean;
 	int16_t clean_nlp;
 
@@ -170,4 +169,4 @@ struct oslec_state
 	int16_t *snapshot;
 };
 
-#endif	/* __ECHO_H */
+#endif /* __ECHO_H */
diff --git a/drivers/staging/echo/fir.h b/drivers/staging/echo/fir.h
index e760471e481..5645cb1b2f9 100644
--- a/drivers/staging/echo/fir.h
+++ b/drivers/staging/echo/fir.h
@@ -72,8 +72,7 @@
     16 bit integer FIR descriptor. This defines the working state for a single
     instance of an FIR filter using 16 bit integer coefficients.
 */
-typedef struct
-{
+typedef struct {
 	int taps;
 	int curr_pos;
 	const int16_t *coeffs;
@@ -85,8 +84,7 @@ typedef struct
     instance of an FIR filter using 32 bit integer coefficients, and filtering
     16 bit integer data.
 */
-typedef struct
-{
+typedef struct {
 	int taps;
 	int curr_pos;
 	const int32_t *coeffs;
@@ -97,39 +95,37 @@ typedef struct
     Floating point FIR descriptor. This defines the working state for a single
     instance of an FIR filter using floating point coefficients and data.
 */
-typedef struct
-{
+typedef struct {
 	int taps;
 	int curr_pos;
 	const float *coeffs;
 	float *history;
 } fir_float_state_t;
 
-static __inline__ const int16_t *fir16_create(fir16_state_t *fir,
-                                              const int16_t *coeffs,
-                                              int taps)
+static __inline__ const int16_t *fir16_create(fir16_state_t * fir,
+					      const int16_t * coeffs, int taps)
 {
 	fir->taps = taps;
 	fir->curr_pos = taps - 1;
 	fir->coeffs = coeffs;
 #if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
-	fir->history = kcalloc(2*taps, sizeof(int16_t), GFP_KERNEL);
+	fir->history = kcalloc(2 * taps, sizeof(int16_t), GFP_KERNEL);
 #else
 	fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
 #endif
 	return fir->history;
 }
 
-static __inline__ void fir16_flush(fir16_state_t *fir)
+static __inline__ void fir16_flush(fir16_state_t * fir)
 {
 #if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
-    memset(fir->history, 0, 2*fir->taps*sizeof(int16_t));
+	memset(fir->history, 0, 2 * fir->taps * sizeof(int16_t));
 #else
-    memset(fir->history, 0, fir->taps*sizeof(int16_t));
+	memset(fir->history, 0, fir->taps * sizeof(int16_t));
 #endif
 }
 
-static __inline__ void fir16_free(fir16_state_t *fir)
+static __inline__ void fir16_free(fir16_state_t * fir)
 {
 	kfree(fir->history);
 }
@@ -137,166 +133,162 @@ static __inline__ void fir16_free(fir16_state_t *fir)
 #ifdef __bfin__
 static inline int32_t dot_asm(short *x, short *y, int len)
 {
-   int dot;
-
-   len--;
-
-   __asm__
-   (
-   "I0 = %1;\n\t"
-   "I1 = %2;\n\t"
-   "A0 = 0;\n\t"
-   "R0.L = W[I0++] || R1.L = W[I1++];\n\t"
-   "LOOP dot%= LC0 = %3;\n\t"
-   "LOOP_BEGIN dot%=;\n\t"
-      "A0 += R0.L * R1.L (IS) || R0.L = W[I0++] || R1.L = W[I1++];\n\t"
-   "LOOP_END dot%=;\n\t"
-   "A0 += R0.L*R1.L (IS);\n\t"
-   "R0 = A0;\n\t"
-   "%0 = R0;\n\t"
-   : "=&d" (dot)
-   : "a" (x), "a" (y), "a" (len)
-   : "I0", "I1", "A1", "A0", "R0", "R1"
-   );
-
-   return dot;
+	int dot;
+
+	len--;
+
+	__asm__("I0 = %1;\n\t"
+		"I1 = %2;\n\t"
+		"A0 = 0;\n\t"
+		"R0.L = W[I0++] || R1.L = W[I1++];\n\t"
+		"LOOP dot%= LC0 = %3;\n\t"
+		"LOOP_BEGIN dot%=;\n\t"
+		"A0 += R0.L * R1.L (IS) || R0.L = W[I0++] || R1.L = W[I1++];\n\t"
+		"LOOP_END dot%=;\n\t"
+		"A0 += R0.L*R1.L (IS);\n\t"
+		"R0 = A0;\n\t"
+		"%0 = R0;\n\t"
+		:"=&d"(dot)
+		:"a"(x), "a"(y), "a"(len)
+		:"I0", "I1", "A1", "A0", "R0", "R1"
+	);
+
+	return dot;
 }
 #endif
 
-static __inline__ int16_t fir16(fir16_state_t *fir, int16_t sample)
+static __inline__ int16_t fir16(fir16_state_t * fir, int16_t sample)
 {
-    int32_t y;
+	int32_t y;
 #if defined(USE_MMX)
-    int i;
-    mmx_t *mmx_coeffs;
-    mmx_t *mmx_hist;
-
-    fir->history[fir->curr_pos] = sample;
-    fir->history[fir->curr_pos + fir->taps] = sample;
-
-    mmx_coeffs = (mmx_t *) fir->coeffs;
-    mmx_hist = (mmx_t *) &fir->history[fir->curr_pos];
-    i = fir->taps;
-    pxor_r2r(mm4, mm4);
-    /* 8 samples per iteration, so the filter must be a multiple of 8 long. */
-    while (i > 0)
-    {
-        movq_m2r(mmx_coeffs[0], mm0);
-        movq_m2r(mmx_coeffs[1], mm2);
-        movq_m2r(mmx_hist[0], mm1);
-        movq_m2r(mmx_hist[1], mm3);
-        mmx_coeffs += 2;
-        mmx_hist += 2;
-        pmaddwd_r2r(mm1, mm0);
-        pmaddwd_r2r(mm3, mm2);
-        paddd_r2r(mm0, mm4);
-        paddd_r2r(mm2, mm4);
-        i -= 8;
-    }
-    movq_r2r(mm4, mm0);
-    psrlq_i2r(32, mm0);
-    paddd_r2r(mm0, mm4);
-    movd_r2m(mm4, y);
-    emms();
+	int i;
+	mmx_t *mmx_coeffs;
+	mmx_t *mmx_hist;
+
+	fir->history[fir->curr_pos] = sample;
+	fir->history[fir->curr_pos + fir->taps] = sample;
+
+	mmx_coeffs = (mmx_t *) fir->coeffs;
+	mmx_hist = (mmx_t *) & fir->history[fir->curr_pos];
+	i = fir->taps;
+	pxor_r2r(mm4, mm4);
+	/* 8 samples per iteration, so the filter must be a multiple of 8 long. */
+	while (i > 0) {
+		movq_m2r(mmx_coeffs[0], mm0);
+		movq_m2r(mmx_coeffs[1], mm2);
+		movq_m2r(mmx_hist[0], mm1);
+		movq_m2r(mmx_hist[1], mm3);
+		mmx_coeffs += 2;
+		mmx_hist += 2;
+		pmaddwd_r2r(mm1, mm0);
+		pmaddwd_r2r(mm3, mm2);
+		paddd_r2r(mm0, mm4);
+		paddd_r2r(mm2, mm4);
+		i -= 8;
+	}
+	movq_r2r(mm4, mm0);
+	psrlq_i2r(32, mm0);
+	paddd_r2r(mm0, mm4);
+	movd_r2m(mm4, y);
+	emms();
 #elif defined(USE_SSE2)
-    int i;
-    xmm_t *xmm_coeffs;
-    xmm_t *xmm_hist;
-
-    fir->history[fir->curr_pos] = sample;
-    fir->history[fir->curr_pos + fir->taps] = sample;
-
-    xmm_coeffs = (xmm_t *) fir->coeffs;
-    xmm_hist = (xmm_t *) &fir->history[fir->curr_pos];
-    i = fir->taps;
-    pxor_r2r(xmm4, xmm4);
-    /* 16 samples per iteration, so the filter must be a multiple of 16 long. */
-    while (i > 0)
-    {
-        movdqu_m2r(xmm_coeffs[0], xmm0);
-        movdqu_m2r(xmm_coeffs[1], xmm2);
-        movdqu_m2r(xmm_hist[0], xmm1);
-        movdqu_m2r(xmm_hist[1], xmm3);
-        xmm_coeffs += 2;
-        xmm_hist += 2;
-        pmaddwd_r2r(xmm1, xmm0);
-        pmaddwd_r2r(xmm3, xmm2);
-        paddd_r2r(xmm0, xmm4);
-        paddd_r2r(xmm2, xmm4);
-        i -= 16;
-    }
-    movdqa_r2r(xmm4, xmm0);
-    psrldq_i2r(8, xmm0);
-    paddd_r2r(xmm0, xmm4);
-    movdqa_r2r(xmm4, xmm0);
-    psrldq_i2r(4, xmm0);
-    paddd_r2r(xmm0, xmm4);
-    movd_r2m(xmm4, y);
+	int i;
+	xmm_t *xmm_coeffs;
+	xmm_t *xmm_hist;
+
+	fir->history[fir->curr_pos] = sample;
+	fir->history[fir->curr_pos + fir->taps] = sample;
+
+	xmm_coeffs = (xmm_t *) fir->coeffs;
+	xmm_hist = (xmm_t *) & fir->history[fir->curr_pos];
+	i = fir->taps;
+	pxor_r2r(xmm4, xmm4);
+	/* 16 samples per iteration, so the filter must be a multiple of 16 long. */
+	while (i > 0) {
+		movdqu_m2r(xmm_coeffs[0], xmm0);
+		movdqu_m2r(xmm_coeffs[1], xmm2);
+		movdqu_m2r(xmm_hist[0], xmm1);
+		movdqu_m2r(xmm_hist[1], xmm3);
+		xmm_coeffs += 2;
+		xmm_hist += 2;
+		pmaddwd_r2r(xmm1, xmm0);
+		pmaddwd_r2r(xmm3, xmm2);
+		paddd_r2r(xmm0, xmm4);
+		paddd_r2r(xmm2, xmm4);
+		i -= 16;
+	}
+	movdqa_r2r(xmm4, xmm0);
+	psrldq_i2r(8, xmm0);
+	paddd_r2r(xmm0, xmm4);
+	movdqa_r2r(xmm4, xmm0);
+	psrldq_i2r(4, xmm0);
+	paddd_r2r(xmm0, xmm4);
+	movd_r2m(xmm4, y);
 #elif defined(__bfin__)
-    fir->history[fir->curr_pos] = sample;
-    fir->history[fir->curr_pos + fir->taps] = sample;
-    y = dot_asm((int16_t*)fir->coeffs, &fir->history[fir->curr_pos], fir->taps);
+	fir->history[fir->curr_pos] = sample;
+	fir->history[fir->curr_pos + fir->taps] = sample;
+	y = dot_asm((int16_t *) fir->coeffs, &fir->history[fir->curr_pos],
+		    fir->taps);
 #else
-    int i;
-    int offset1;
-    int offset2;
-
-    fir->history[fir->curr_pos] = sample;
-
-    offset2 = fir->curr_pos;
-    offset1 = fir->taps - offset2;
-    y = 0;
-    for (i = fir->taps - 1;  i >= offset1;  i--)
-        y += fir->coeffs[i]*fir->history[i - offset1];
-    for (  ;  i >= 0;  i--)
-        y += fir->coeffs[i]*fir->history[i + offset2];
+	int i;
+	int offset1;
+	int offset2;
+
+	fir->history[fir->curr_pos] = sample;
+
+	offset2 = fir->curr_pos;
+	offset1 = fir->taps - offset2;
+	y = 0;
+	for (i = fir->taps - 1; i >= offset1; i--)
+		y += fir->coeffs[i] * fir->history[i - offset1];
+	for (; i >= 0; i--)
+		y += fir->coeffs[i] * fir->history[i + offset2];
 #endif
-    if (fir->curr_pos <= 0)
-    	fir->curr_pos = fir->taps;
-    fir->curr_pos--;
-    return (int16_t) (y >> 15);
+	if (fir->curr_pos <= 0)
+		fir->curr_pos = fir->taps;
+	fir->curr_pos--;
+	return (int16_t) (y >> 15);
 }
 
-static __inline__ const int16_t *fir32_create(fir32_state_t *fir,
-                                              const int32_t *coeffs,
-                                              int taps)
+static __inline__ const int16_t *fir32_create(fir32_state_t * fir,
+					      const int32_t * coeffs, int taps)
 {
-    fir->taps = taps;
-    fir->curr_pos = taps - 1;
-    fir->coeffs = coeffs;
-    fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
-    return fir->history;
+	fir->taps = taps;
+	fir->curr_pos = taps - 1;
+	fir->coeffs = coeffs;
+	fir->history = kcalloc(taps, sizeof(int16_t), GFP_KERNEL);
+	return fir->history;
 }
 
-static __inline__ void fir32_flush(fir32_state_t *fir)
+static __inline__ void fir32_flush(fir32_state_t * fir)
 {
-    memset(fir->history, 0, fir->taps*sizeof(int16_t));
+	memset(fir->history, 0, fir->taps * sizeof(int16_t));
 }
 
-static __inline__ void fir32_free(fir32_state_t *fir)
+static __inline__ void fir32_free(fir32_state_t * fir)
 {
-    kfree(fir->history);
+	kfree(fir->history);
 }
 
-static __inline__ int16_t fir32(fir32_state_t *fir, int16_t sample)
+static __inline__ int16_t fir32(fir32_state_t * fir, int16_t sample)
 {
-    int i;
-    int32_t y;
-    int offset1;
-    int offset2;
-
-    fir->history[fir->curr_pos] = sample;
-    offset2 = fir->curr_pos;
-    offset1 = fir->taps - offset2;
-    y = 0;
-    for (i = fir->taps - 1;  i >= offset1;  i--)
-        y += fir->coeffs[i]*fir->history[i - offset1];
-    for (  ;  i >= 0;  i--)
-        y += fir->coeffs[i]*fir->history[i + offset2];
-    if (fir->curr_pos <= 0)
-    	fir->curr_pos = fir->taps;
-    fir->curr_pos--;
-    return (int16_t) (y >> 15);
+	int i;
+	int32_t y;
+	int offset1;
+	int offset2;
+
+	fir->history[fir->curr_pos] = sample;
+	offset2 = fir->curr_pos;
+	offset1 = fir->taps - offset2;
+	y = 0;
+	for (i = fir->taps - 1; i >= offset1; i--)
+		y += fir->coeffs[i] * fir->history[i - offset1];
+	for (; i >= 0; i--)
+		y += fir->coeffs[i] * fir->history[i + offset2];
+	if (fir->curr_pos <= 0)
+		fir->curr_pos = fir->taps;
+	fir->curr_pos--;
+	return (int16_t) (y >> 15);
 }
 
 #endif
diff --git a/drivers/staging/echo/mmx.h b/drivers/staging/echo/mmx.h
index b5a3964865b..35412efe61c 100644
--- a/drivers/staging/echo/mmx.h
+++ b/drivers/staging/echo/mmx.h
@@ -27,24 +27,23 @@
  * values by ULL, lest they be truncated by the compiler)
  */
 
-typedef        union {
-        long long               q;      /* Quadword (64-bit) value */
-        unsigned long long      uq;     /* Unsigned Quadword */
-        int                     d[2];   /* 2 Doubleword (32-bit) values */
-        unsigned int            ud[2];  /* 2 Unsigned Doubleword */
-        short                   w[4];   /* 4 Word (16-bit) values */
-        unsigned short          uw[4];  /* 4 Unsigned Word */
-        char                    b[8];   /* 8 Byte (8-bit) values */
-        unsigned char           ub[8];  /* 8 Unsigned Byte */
-        float                   s[2];   /* Single-precision (32-bit) value */
-} mmx_t;        /* On an 8-byte (64-bit) boundary */
+typedef union {
+	long long q;		/* Quadword (64-bit) value */
+	unsigned long long uq;	/* Unsigned Quadword */
+	int d[2];		/* 2 Doubleword (32-bit) values */
+	unsigned int ud[2];	/* 2 Unsigned Doubleword */
+	short w[4];		/* 4 Word (16-bit) values */
+	unsigned short uw[4];	/* 4 Unsigned Word */
+	char b[8];		/* 8 Byte (8-bit) values */
+	unsigned char ub[8];	/* 8 Unsigned Byte */
+	float s[2];		/* Single-precision (32-bit) value */
+} mmx_t;			/* On an 8-byte (64-bit) boundary */
 
 /* SSE registers */
 typedef union {
 	char b[16];
 } xmm_t;
 
-
 #define         mmx_i2r(op,imm,reg) \
         __asm__ __volatile__ (#op " %0, %%" #reg \
                               : /* nothing */ \
@@ -63,7 +62,6 @@ typedef union {
 #define         mmx_r2r(op,regs,regd) \
         __asm__ __volatile__ (#op " %" #regs ", %" #regd)
 
-
 #define         emms() __asm__ __volatile__ ("emms")
 
 #define         movd_m2r(var,reg)           mmx_m2r (movd, var, reg)
@@ -192,16 +190,13 @@ typedef union {
 #define         pxor_m2r(var,reg)           mmx_m2r (pxor, var, reg)
 #define         pxor_r2r(regs,regd)         mmx_r2r (pxor, regs, regd)
 
-
 /* 3DNOW extensions */
 
 #define         pavgusb_m2r(var,reg)        mmx_m2r (pavgusb, var, reg)
 #define         pavgusb_r2r(regs,regd)      mmx_r2r (pavgusb, regs, regd)
 
-
 /* AMD MMX extensions - also available in intel SSE */
 
-
 #define         mmx_m2ri(op,mem,reg,imm) \
         __asm__ __volatile__ (#op " %1, %0, %%" #reg \
                               : /* nothing */ \
@@ -216,7 +211,6 @@ typedef union {
                               : /* nothing */ \
                               : "m" (mem))
 
-
 #define         maskmovq(regs,maskreg)      mmx_r2ri (maskmovq, regs, maskreg)
 
 #define         movntq_r2m(mmreg,var)       mmx_r2m (movntq, mmreg, var)
@@ -284,5 +278,4 @@ typedef union {
 #define         punpcklqdq_r2r(regs,regd)   mmx_r2r (punpcklqdq, regs, regd)
 #define         punpckhqdq_r2r(regs,regd)   mmx_r2r (punpckhqdq, regs, regd)
 
-
 #endif /* AVCODEC_I386MMX_H */
diff --git a/drivers/staging/echo/oslec.h b/drivers/staging/echo/oslec.h
index e41de61622d..bad852328a2 100644
--- a/drivers/staging/echo/oslec.h
+++ b/drivers/staging/echo/oslec.h
@@ -83,4 +83,4 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx);
 */
 int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx);
 
-#endif	/* __OSLEC_H */
+#endif /* __OSLEC_H */
-- 
GitLab


From b243c4aaf8d470a99101521c9197ed5b38084793 Mon Sep 17 00:00:00 2001
From: "J.R. Mauro" <jrm8005@gmail.com>
Date: Mon, 20 Oct 2008 19:28:58 -0400
Subject: [PATCH 1864/2224] Staging: sxg: clean up C99 comments

Change  C99 comments to C89 comments

Some nested comments seem to have been missed and some blocks are redundantly
commented, but at least most of the //'s are gone

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/sxg.c   | 1040 +++++++++++++++++------------------
 drivers/staging/sxg/sxghw.h |  120 ++--
 2 files changed, 580 insertions(+), 580 deletions(-)

diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index d8772e5bf2d..3b05acf35d8 100644
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -223,7 +223,7 @@ static void sxg_dbg_macaddrs(p_adapter_t adapter)
 	return;
 }
 
-// SXG Globals
+/* SXG Globals */
 static SXG_DRIVER SxgDriver;
 
 #ifdef  ATKDBG
@@ -250,7 +250,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 	u32 ThisSectionSize;
 	u32 *Instruction = NULL;
 	u32 BaseAddress, AddressOffset, Address;
-//      u32                         Failure;
+/*      u32                         Failure; */
 	u32 ValueRead;
 	u32 i;
 	u32 numSections = 0;
@@ -262,7 +262,7 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 	DBG_ERROR("sxg: %s ENTER\n", __func__);
 
 	switch (UcodeSel) {
-	case SXG_UCODE_SAHARA:	// Sahara operational ucode
+	case SXG_UCODE_SAHARA:	/* Sahara operational ucode */
 		numSections = SNumSections;
 		for (i = 0; i < numSections; i++) {
 			sectionSize[i] = SSectionSize[i];
@@ -276,13 +276,13 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 	}
 
 	DBG_ERROR("sxg: RESET THE CARD\n");
-	// First, reset the card
+	/* First, reset the card */
 	WRITE_REG(HwRegs->Reset, 0xDEAD, FLUSH);
 
-	// Download each section of the microcode as specified in
-	// its download file.  The *download.c file is generated using
-	// the saharaobjtoc facility which converts the metastep .obj
-	// file to a .c file which contains a two dimentional array.
+	/* Download each section of the microcode as specified in */
+	/* its download file.  The *download.c file is generated using */
+	/* the saharaobjtoc facility which converts the metastep .obj */
+	/* file to a .c file which contains a two dimentional array. */
 	for (Section = 0; Section < numSections; Section++) {
 		DBG_ERROR("sxg: SECTION # %d\n", Section);
 		switch (UcodeSel) {
@@ -294,35 +294,35 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 			break;
 		}
 		BaseAddress = sectionStart[Section];
-		ThisSectionSize = sectionSize[Section] / 12;	// Size in instructions
+		ThisSectionSize = sectionSize[Section] / 12;	/* Size in instructions */
 		for (AddressOffset = 0; AddressOffset < ThisSectionSize;
 		     AddressOffset++) {
 			Address = BaseAddress + AddressOffset;
 			ASSERT((Address & ~MICROCODE_ADDRESS_MASK) == 0);
-			// Write instruction bits 31 - 0
+			/* Write instruction bits 31 - 0 */
 			WRITE_REG(HwRegs->UcodeDataLow, *Instruction, FLUSH);
-			// Write instruction bits 63-32
+			/* Write instruction bits 63-32 */
 			WRITE_REG(HwRegs->UcodeDataMiddle, *(Instruction + 1),
 				  FLUSH);
-			// Write instruction bits 95-64
+			/* Write instruction bits 95-64 */
 			WRITE_REG(HwRegs->UcodeDataHigh, *(Instruction + 2),
 				  FLUSH);
-			// Write instruction address with the WRITE bit set
+			/* Write instruction address with the WRITE bit set */
 			WRITE_REG(HwRegs->UcodeAddr,
 				  (Address | MICROCODE_ADDRESS_WRITE), FLUSH);
-			// Sahara bug in the ucode download logic - the write to DataLow
-			// for the next instruction could get corrupted.  To avoid this,
-			// write to DataLow again for this instruction (which may get
-			// corrupted, but it doesn't matter), then increment the address
-			// and write the data for the next instruction to DataLow.  That
-			// write should succeed.
+			/* Sahara bug in the ucode download logic - the write to DataLow */
+			/* for the next instruction could get corrupted.  To avoid this, */
+			/* write to DataLow again for this instruction (which may get */
+			/* corrupted, but it doesn't matter), then increment the address */
+			/* and write the data for the next instruction to DataLow.  That */
+			/* write should succeed. */
 			WRITE_REG(HwRegs->UcodeDataLow, *Instruction, TRUE);
-			// Advance 3 u32S to start of next instruction
+			/* Advance 3 u32S to start of next instruction */
 			Instruction += 3;
 		}
 	}
-	// Now repeat the entire operation reading the instruction back and
-	// checking for parity errors
+	/* Now repeat the entire operation reading the instruction back and */
+	/* checking for parity errors */
 	for (Section = 0; Section < numSections; Section++) {
 		DBG_ERROR("sxg: check SECTION # %d\n", Section);
 		switch (UcodeSel) {
@@ -334,51 +334,51 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 			break;
 		}
 		BaseAddress = sectionStart[Section];
-		ThisSectionSize = sectionSize[Section] / 12;	// Size in instructions
+		ThisSectionSize = sectionSize[Section] / 12;	/* Size in instructions */
 		for (AddressOffset = 0; AddressOffset < ThisSectionSize;
 		     AddressOffset++) {
 			Address = BaseAddress + AddressOffset;
-			// Write the address with the READ bit set
+			/* Write the address with the READ bit set */
 			WRITE_REG(HwRegs->UcodeAddr,
 				  (Address | MICROCODE_ADDRESS_READ), FLUSH);
-			// Read it back and check parity bit.
+			/* Read it back and check parity bit. */
 			READ_REG(HwRegs->UcodeAddr, ValueRead);
 			if (ValueRead & MICROCODE_ADDRESS_PARITY) {
 				DBG_ERROR("sxg: %s PARITY ERROR\n",
 					  __func__);
 
-				return (FALSE);	// Parity error
+				return (FALSE);	/* Parity error */
 			}
 			ASSERT((ValueRead & MICROCODE_ADDRESS_MASK) == Address);
-			// Read the instruction back and compare
+			/* Read the instruction back and compare */
 			READ_REG(HwRegs->UcodeDataLow, ValueRead);
 			if (ValueRead != *Instruction) {
 				DBG_ERROR("sxg: %s MISCOMPARE LOW\n",
 					  __func__);
-				return (FALSE);	// Miscompare
+				return (FALSE);	/* Miscompare */
 			}
 			READ_REG(HwRegs->UcodeDataMiddle, ValueRead);
 			if (ValueRead != *(Instruction + 1)) {
 				DBG_ERROR("sxg: %s MISCOMPARE MIDDLE\n",
 					  __func__);
-				return (FALSE);	// Miscompare
+				return (FALSE);	/* Miscompare */
 			}
 			READ_REG(HwRegs->UcodeDataHigh, ValueRead);
 			if (ValueRead != *(Instruction + 2)) {
 				DBG_ERROR("sxg: %s MISCOMPARE HIGH\n",
 					  __func__);
-				return (FALSE);	// Miscompare
+				return (FALSE);	/* Miscompare */
 			}
-			// Advance 3 u32S to start of next instruction
+			/* Advance 3 u32S to start of next instruction */
 			Instruction += 3;
 		}
 	}
 
-	// Everything OK, Go.
+	/* Everything OK, Go. */
 	WRITE_REG(HwRegs->UcodeAddr, MICROCODE_ADDRESS_GO, FLUSH);
 
-	// Poll the CardUp register to wait for microcode to initialize
-	// Give up after 10,000 attemps (500ms).
+	/* Poll the CardUp register to wait for microcode to initialize */
+	/* Give up after 10,000 attemps (500ms). */
 	for (i = 0; i < 10000; i++) {
 		udelay(50);
 		READ_REG(adapter->UcodeRegs[0].CardUp, ValueRead);
@@ -390,11 +390,11 @@ static bool sxg_download_microcode(p_adapter_t adapter, SXG_UCODE_SEL UcodeSel)
 	if (i == 10000) {
 		DBG_ERROR("sxg: %s TIMEOUT\n", __func__);
 
-		return (FALSE);	// Timeout
+		return (FALSE);	/* Timeout */
 	}
-	// Now write the LoadSync register.  This is used to
-	// synchronize with the card so it can scribble on the memory
-	// that contained 0xCAFE from the "CardUp" step above
+	/* Now write the LoadSync register.  This is used to */
+	/* synchronize with the card so it can scribble on the memory */
+	/* that contained 0xCAFE from the "CardUp" step above */
 	if (UcodeSel == SXG_UCODE_SAHARA) {
 		WRITE_REG(adapter->UcodeRegs[0].LoadSync, 0, FLUSH);
 	}
@@ -420,22 +420,22 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	int status;
 	u32 i;
 	u32 RssIds, IsrCount;
-//      PSXG_XMT_RING                                   XmtRing;
-//      PSXG_RCV_RING                                   RcvRing;
+/*      PSXG_XMT_RING                                   XmtRing; */
+/*      PSXG_RCV_RING                                   RcvRing; */
 
 	DBG_ERROR("%s ENTER\n", __func__);
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocRes",
 		  adapter, 0, 0, 0);
 
-	// Windows tells us how many CPUs it plans to use for
-	// RSS
+	/* Windows tells us how many CPUs it plans to use for */
+	/* RSS */
 	RssIds = SXG_RSS_CPU_COUNT(adapter);
 	IsrCount = adapter->MsiEnabled ? RssIds : 1;
 
 	DBG_ERROR("%s Setup the spinlocks\n", __func__);
 
-	// Allocate spinlocks and initialize listheads first.
+	/* Allocate spinlocks and initialize listheads first. */
 	spin_lock_init(&adapter->RcvQLock);
 	spin_lock_init(&adapter->SglQLock);
 	spin_lock_init(&adapter->XmtZeroLock);
@@ -450,21 +450,21 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	InitializeListHead(&adapter->FreeSglBuffers);
 	InitializeListHead(&adapter->AllSglBuffers);
 
-	// Mark these basic allocations done.  This flags essentially
-	// tells the SxgFreeResources routine that it can grab spinlocks
-	// and reference listheads.
+	/* Mark these basic allocations done.  This flags essentially */
+	/* tells the SxgFreeResources routine that it can grab spinlocks */
+	/* and reference listheads. */
 	adapter->BasicAllocations = TRUE;
-	// Main allocation loop.  Start with the maximum supported by
-	// the microcode and back off if memory allocation
-	// fails.  If we hit a minimum, fail.
+	/* Main allocation loop.  Start with the maximum supported by */
+	/* the microcode and back off if memory allocation */
+	/* fails.  If we hit a minimum, fail. */
 
 	for (;;) {
 		DBG_ERROR("%s Allocate XmtRings size[%lx]\n", __func__,
 			  (sizeof(SXG_XMT_RING) * 1));
 
-		// Start with big items first - receive and transmit rings.  At the moment
-		// I'm going to keep the ring size fixed and adjust the number of
-		// TCBs if we fail.  Later we might consider reducing the ring size as well..
+		/* Start with big items first - receive and transmit rings.  At the moment */
+		/* I'm going to keep the ring size fixed and adjust the number of */
+		/* TCBs if we fail.  Later we might consider reducing the ring size as well.. */
 		adapter->XmtRings = pci_alloc_consistent(adapter->pcidev,
 							 sizeof(SXG_XMT_RING) *
 							 1,
@@ -490,7 +490,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 		break;
 
 	      per_tcb_allocation_failed:
-		// an allocation failed.  Free any successful allocations.
+		/* an allocation failed.  Free any successful allocations. */
 		if (adapter->XmtRings) {
 			pci_free_consistent(adapter->pcidev,
 					    sizeof(SXG_XMT_RING) * 4096,
@@ -505,22 +505,22 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 					    adapter->PRcvRings);
 			adapter->RcvRings = NULL;
 		}
-		// Loop around and try again....
+		/* Loop around and try again.... */
 	}
 
 	DBG_ERROR("%s Initialize RCV ZERO and XMT ZERO rings\n", __func__);
-	// Initialize rcv zero and xmt zero rings
+	/* Initialize rcv zero and xmt zero rings */
 	SXG_INITIALIZE_RING(adapter->RcvRingZeroInfo, SXG_RCV_RING_SIZE);
 	SXG_INITIALIZE_RING(adapter->XmtRingZeroInfo, SXG_XMT_RING_SIZE);
 
-	// Sanity check receive data structure format
+	/* Sanity check receive data structure format */
 	ASSERT((adapter->ReceiveBufferSize == SXG_RCV_DATA_BUFFER_SIZE) ||
 	       (adapter->ReceiveBufferSize == SXG_RCV_JUMBO_BUFFER_SIZE));
 	ASSERT(sizeof(SXG_RCV_DESCRIPTOR_BLOCK) ==
 	       SXG_RCV_DESCRIPTOR_BLOCK_SIZE);
 
-	// Allocate receive data buffers.  We allocate a block of buffers and
-	// a corresponding descriptor block at once.  See sxghw.h:SXG_RCV_BLOCK
+	/* Allocate receive data buffers.  We allocate a block of buffers and */
+	/* a corresponding descriptor block at once.  See sxghw.h:SXG_RCV_BLOCK */
 	for (i = 0; i < SXG_INITIAL_RCV_DATA_BUFFERS;
 	     i += SXG_RCV_DESCRIPTORS_PER_BLOCK) {
 		sxg_allocate_buffer_memory(adapter,
@@ -528,8 +528,8 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 							      ReceiveBufferSize),
 					   SXG_BUFFER_TYPE_RCV);
 	}
-	// NBL resource allocation can fail in the 'AllocateComplete' routine, which
-	// doesn't return status.  Make sure we got the number of buffers we requested
+	/* NBL resource allocation can fail in the 'AllocateComplete' routine, which */
+	/* doesn't return status.  Make sure we got the number of buffers we requested */
 	if (adapter->FreeRcvBufferCount < SXG_INITIAL_RCV_DATA_BUFFERS) {
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF6",
 			  adapter, adapter->FreeRcvBufferCount, SXG_MAX_ENTRIES,
@@ -540,14 +540,14 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	DBG_ERROR("%s Allocate EventRings size[%lx]\n", __func__,
 		  (sizeof(SXG_EVENT_RING) * RssIds));
 
-	// Allocate event queues.
+	/* Allocate event queues. */
 	adapter->EventRings = pci_alloc_consistent(adapter->pcidev,
 						   sizeof(SXG_EVENT_RING) *
 						   RssIds,
 						   &adapter->PEventRings);
 
 	if (!adapter->EventRings) {
-		// Caller will call SxgFreeAdapter to clean up above allocations
+		/* Caller will call SxgFreeAdapter to clean up above allocations */
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF8",
 			  adapter, SXG_MAX_ENTRIES, 0, 0);
 		status = STATUS_RESOURCES;
@@ -556,11 +556,11 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	memset(adapter->EventRings, 0, sizeof(SXG_EVENT_RING) * RssIds);
 
 	DBG_ERROR("%s Allocate ISR size[%x]\n", __func__, IsrCount);
-	// Allocate ISR
+	/* Allocate ISR */
 	adapter->Isr = pci_alloc_consistent(adapter->pcidev,
 					    IsrCount, &adapter->PIsr);
 	if (!adapter->Isr) {
-		// Caller will call SxgFreeAdapter to clean up above allocations
+		/* Caller will call SxgFreeAdapter to clean up above allocations */
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XAResF9",
 			  adapter, SXG_MAX_ENTRIES, 0, 0);
 		status = STATUS_RESOURCES;
@@ -571,7 +571,7 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	DBG_ERROR("%s Allocate shared XMT ring zero index location size[%lx]\n",
 		  __func__, sizeof(u32));
 
-	// Allocate shared XMT ring zero index location
+	/* Allocate shared XMT ring zero index location */
 	adapter->XmtRingZeroIndex = pci_alloc_consistent(adapter->pcidev,
 							 sizeof(u32),
 							 &adapter->
@@ -607,13 +607,13 @@ static void sxg_config_pci(struct pci_dev *pcidev)
 
 	pci_read_config_word(pcidev, PCI_COMMAND, &pci_command);
 	DBG_ERROR("sxg: %s  PCI command[%4.4x]\n", __func__, pci_command);
-	// Set the command register
-	new_command = pci_command | (PCI_COMMAND_MEMORY |	// Memory Space Enable
-				     PCI_COMMAND_MASTER |	// Bus master enable
-				     PCI_COMMAND_INVALIDATE |	// Memory write and invalidate
-				     PCI_COMMAND_PARITY |	// Parity error response
-				     PCI_COMMAND_SERR |	// System ERR
-				     PCI_COMMAND_FAST_BACK);	// Fast back-to-back
+	/* Set the command register */
+	new_command = pci_command | (PCI_COMMAND_MEMORY |	/* Memory Space Enable */
+				     PCI_COMMAND_MASTER |	/* Bus master enable */
+				     PCI_COMMAND_INVALIDATE |	/* Memory write and invalidate */
+				     PCI_COMMAND_PARITY |	/* Parity error response */
+				     PCI_COMMAND_SERR |	/* System ERR */
+				     PCI_COMMAND_FAST_BACK);	/* Fast back-to-back */
 	if (pci_command != new_command) {
 		DBG_ERROR("%s -- Updating PCI COMMAND register %4.4x->%4.4x.\n",
 			  __func__, pci_command, new_command);
@@ -636,7 +636,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	DBG_ERROR("sxg: %s 2.6 VERSION ENTER jiffies[%lx] cpu %d\n",
 		  __func__, jiffies, smp_processor_id());
 
-	// Initialize trace buffer
+	/* Initialize trace buffer */
 #ifdef ATKDBG
 	SxgTraceBuffer = &LSxgTraceBuffer;
 	SXG_TRACE_INIT(SxgTraceBuffer, TRACE_NOISY);
@@ -738,13 +738,13 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	adapter->UcodeRegs = (void *)memmapped_ioaddr;
 
 	adapter->State = SXG_STATE_INITIALIZING;
-	// Maintain a list of all adapters anchored by
-	// the global SxgDriver structure.
+	/* Maintain a list of all adapters anchored by */
+	/* the global SxgDriver structure. */
 	adapter->Next = SxgDriver.Adapters;
 	SxgDriver.Adapters = adapter;
 	adapter->AdapterID = ++SxgDriver.AdapterID;
 
-	// Initialize CRC table used to determine multicast hash
+	/* Initialize CRC table used to determine multicast hash */
 	sxg_mcast_init_crc32();
 
 	adapter->JumboEnabled = FALSE;
@@ -757,10 +757,10 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 		adapter->ReceiveBufferSize = SXG_RCV_DATA_BUFFER_SIZE;
 	}
 
-//    status = SXG_READ_EEPROM(adapter);
-//    if (!status) {
-//        goto sxg_init_bad;
-//    }
+/*    status = SXG_READ_EEPROM(adapter); */
+/*    if (!status) { */
+/*        goto sxg_init_bad; */
+/*    } */
 
 	DBG_ERROR("sxg: %s ENTER sxg_config_pci\n", __func__);
 	sxg_config_pci(pcidev);
@@ -780,11 +780,11 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	adapter->irq = pcidev->irq;
 	adapter->next_netdevice = head_netdevice;
 	head_netdevice = netdev;
-//      adapter->chipid = chip_idx;
-	adapter->port = 0;	//adapter->functionnumber;
+/*      adapter->chipid = chip_idx; */
+	adapter->port = 0;	/*adapter->functionnumber; */
 	adapter->cardindex = adapter->port;
 
-	// Allocate memory and other resources
+	/* Allocate memory and other resources */
 	DBG_ERROR("sxg: %s ENTER sxg_allocate_resources\n", __func__);
 	status = sxg_allocate_resources(adapter);
 	DBG_ERROR("sxg: %s EXIT sxg_allocate_resources status %x\n",
@@ -819,7 +819,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 #endif
 
 	strcpy(netdev->name, "eth%d");
-//  strcpy(netdev->name, pci_name(pcidev));
+/*  strcpy(netdev->name, pci_name(pcidev)); */
 	if ((err = register_netdev(netdev))) {
 		DBG_ERROR("Cannot register net device, aborting. %s\n",
 			  netdev->name);
@@ -832,9 +832,9 @@ static int sxg_entry_probe(struct pci_dev *pcidev,
 	     netdev->dev_addr[1], netdev->dev_addr[2], netdev->dev_addr[3],
 	     netdev->dev_addr[4], netdev->dev_addr[5]);
 
-//sxg_init_bad:
+/*sxg_init_bad: */
 	ASSERT(status == FALSE);
-//      sxg_free_adapter(adapter);
+/*      sxg_free_adapter(adapter); */
 
 	DBG_ERROR("sxg: %s EXIT status[%x] jiffies[%lx] cpu %d\n", __func__,
 		  status, jiffies, smp_processor_id());
@@ -874,12 +874,12 @@ static void sxg_disable_interrupt(p_adapter_t adapter)
 {
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DisIntr",
 		  adapter, adapter->InterruptsEnabled, 0, 0);
-	// For now, RSS is disabled with line based interrupts
+	/* For now, RSS is disabled with line based interrupts */
 	ASSERT(adapter->RssEnabled == FALSE);
 	ASSERT(adapter->MsiEnabled == FALSE);
-	//
-	// Turn off interrupts by writing to the icr register.
-	//
+	/* */
+	/* Turn off interrupts by writing to the icr register. */
+	/* */
 	WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_DISABLE), TRUE);
 
 	adapter->InterruptsEnabled = 0;
@@ -905,12 +905,12 @@ static void sxg_enable_interrupt(p_adapter_t adapter)
 {
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "EnIntr",
 		  adapter, adapter->InterruptsEnabled, 0, 0);
-	// For now, RSS is disabled with line based interrupts
+	/* For now, RSS is disabled with line based interrupts */
 	ASSERT(adapter->RssEnabled == FALSE);
 	ASSERT(adapter->MsiEnabled == FALSE);
-	//
-	// Turn on interrupts by writing to the icr register.
-	//
+	/* */
+	/* Turn on interrupts by writing to the icr register. */
+	/* */
 	WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_ENABLE), TRUE);
 
 	adapter->InterruptsEnabled = 1;
@@ -935,29 +935,29 @@ static irqreturn_t sxg_isr(int irq, void *dev_id)
 {
 	p_net_device dev = (p_net_device) dev_id;
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
-//      u32                 CpuMask = 0, i;
+/*      u32                 CpuMask = 0, i; */
 
 	adapter->Stats.NumInts++;
 	if (adapter->Isr[0] == 0) {
-		// The SLIC driver used to experience a number of spurious interrupts
-		// due to the delay associated with the masking of the interrupt
-		// (we'd bounce back in here).  If we see that again with Sahara,
-		// add a READ_REG of the Icr register after the WRITE_REG below.
+		/* The SLIC driver used to experience a number of spurious interrupts */
+		/* due to the delay associated with the masking of the interrupt */
+		/* (we'd bounce back in here).  If we see that again with Sahara, */
+		/* add a READ_REG of the Icr register after the WRITE_REG below. */
 		adapter->Stats.FalseInts++;
 		return IRQ_NONE;
 	}
-	//
-	// Move the Isr contents and clear the value in
-	// shared memory, and mask interrupts
-	//
+	/* */
+	/* Move the Isr contents and clear the value in */
+	/* shared memory, and mask interrupts */
+	/* */
 	adapter->IsrCopy[0] = adapter->Isr[0];
 	adapter->Isr[0] = 0;
 	WRITE_REG(adapter->UcodeRegs[0].Icr, SXG_ICR(0, SXG_ICR_MASK), TRUE);
-//      ASSERT(adapter->IsrDpcsPending == 0);
-#if XXXTODO			// RSS Stuff
-	// If RSS is enabled and the ISR specifies
-	// SXG_ISR_EVENT, then schedule DPC's
-	// based on event queues.
+/*      ASSERT(adapter->IsrDpcsPending == 0); */
+#if XXXTODO			/* RSS Stuff */
+	/* If RSS is enabled and the ISR specifies */
+	/* SXG_ISR_EVENT, then schedule DPC's */
+	/* based on event queues. */
 	if (adapter->RssEnabled && (adapter->IsrCopy[0] & SXG_ISR_EVENT)) {
 		for (i = 0;
 		     i < adapter->RssSystemInfo->ProcessorInfo.RssCpuCount;
@@ -973,8 +973,8 @@ static irqreturn_t sxg_isr(int irq, void *dev_id)
 			}
 		}
 	}
-	// Now, either schedule the CPUs specified by the CpuMask,
-	// or queue default
+	/* Now, either schedule the CPUs specified by the CpuMask, */
+	/* or queue default */
 	if (CpuMask) {
 		*QueueDefault = FALSE;
 	} else {
@@ -983,9 +983,9 @@ static irqreturn_t sxg_isr(int irq, void *dev_id)
 	}
 	*TargetCpus = CpuMask;
 #endif
-	//
-	//  There are no DPCs in Linux, so call the handler now
-	//
+	/* */
+	/*  There are no DPCs in Linux, so call the handler now */
+	/* */
 	sxg_handle_interrupt(adapter);
 
 	return IRQ_HANDLED;
@@ -993,7 +993,7 @@ static irqreturn_t sxg_isr(int irq, void *dev_id)
 
 static void sxg_handle_interrupt(p_adapter_t adapter)
 {
-//    unsigned char           RssId   = 0;
+/*    unsigned char           RssId   = 0; */
 	u32 NewIsr;
 
 	if (adapter->Stats.RcvNoBuffer < 5) {
@@ -1002,32 +1002,32 @@ static void sxg_handle_interrupt(p_adapter_t adapter)
 	}
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "HndlIntr",
 		  adapter, adapter->IsrCopy[0], 0, 0);
-	// For now, RSS is disabled with line based interrupts
+	/* For now, RSS is disabled with line based interrupts */
 	ASSERT(adapter->RssEnabled == FALSE);
 	ASSERT(adapter->MsiEnabled == FALSE);
 	ASSERT(adapter->IsrCopy[0]);
-/////////////////////////////
+/*/////////////////////////// */
 
-	// Always process the event queue.
+	/* Always process the event queue. */
 	sxg_process_event_queue(adapter,
 				(adapter->RssEnabled ? /*RssId */ 0 : 0));
 
-#if XXXTODO			// RSS stuff
+#if XXXTODO			/* RSS stuff */
 	if (--adapter->IsrDpcsPending) {
-		// We're done.
+		/* We're done. */
 		ASSERT(adapter->RssEnabled);
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DPCsPend",
 			  adapter, 0, 0, 0);
 		return;
 	}
 #endif
-	//
-	// Last (or only) DPC processes the ISR and clears the interrupt.
-	//
+	/* */
+	/* Last (or only) DPC processes the ISR and clears the interrupt. */
+	/* */
 	NewIsr = sxg_process_isr(adapter, 0);
-	//
-	// Reenable interrupts
-	//
+	/* */
+	/* Reenable interrupts */
+	/* */
 	adapter->IsrCopy[0] = 0;
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ClearIsr",
 		  adapter, NewIsr, 0, 0);
@@ -1063,29 +1063,29 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "ProcIsr",
 		  adapter, Isr, 0, 0);
 
-	// Error
+	/* Error */
 	if (Isr & SXG_ISR_ERR) {
 		if (Isr & SXG_ISR_PDQF) {
 			adapter->Stats.PdqFull++;
 			DBG_ERROR("%s: SXG_ISR_ERR  PDQF!!\n", __func__);
 		}
-		// No host buffer
+		/* No host buffer */
 		if (Isr & SXG_ISR_RMISS) {
-			// There is a bunch of code in the SLIC driver which
-			// attempts to process more receive events per DPC
-			// if we start to fall behind.  We'll probably
-			// need to do something similar here, but hold
-			// off for now.  I don't want to make the code more
-			// complicated than strictly needed.
+			/* There is a bunch of code in the SLIC driver which */
+			/* attempts to process more receive events per DPC */
+			/* if we start to fall behind.  We'll probably */
+			/* need to do something similar here, but hold */
+			/* off for now.  I don't want to make the code more */
+			/* complicated than strictly needed. */
 			adapter->Stats.RcvNoBuffer++;
 			if (adapter->Stats.RcvNoBuffer < 5) {
 				DBG_ERROR("%s: SXG_ISR_ERR  RMISS!!\n",
 					  __func__);
 			}
 		}
-		// Card crash
+		/* Card crash */
 		if (Isr & SXG_ISR_DEAD) {
-			// Set aside the crash info and set the adapter state to RESET
+			/* Set aside the crash info and set the adapter state to RESET */
 			adapter->CrashCpu =
 			    (unsigned char)((Isr & SXG_ISR_CPU) >>
 					    SXG_ISR_CPU_SHIFT);
@@ -1094,44 +1094,44 @@ static int sxg_process_isr(p_adapter_t adapter, u32 MessageId)
 			DBG_ERROR("%s: ISR_DEAD %x, CPU: %d\n", __func__,
 				  adapter->CrashLocation, adapter->CrashCpu);
 		}
-		// Event ring full
+		/* Event ring full */
 		if (Isr & SXG_ISR_ERFULL) {
-			// Same issue as RMISS, really.  This means the
-			// host is falling behind the card.  Need to increase
-			// event ring size, process more events per interrupt,
-			// and/or reduce/remove interrupt aggregation.
+			/* Same issue as RMISS, really.  This means the */
+			/* host is falling behind the card.  Need to increase */
+			/* event ring size, process more events per interrupt, */
+			/* and/or reduce/remove interrupt aggregation. */
 			adapter->Stats.EventRingFull++;
 			DBG_ERROR("%s: SXG_ISR_ERR  EVENT RING FULL!!\n",
 				  __func__);
 		}
-		// Transmit drop - no DRAM buffers or XMT error
+		/* Transmit drop - no DRAM buffers or XMT error */
 		if (Isr & SXG_ISR_XDROP) {
 			adapter->Stats.XmtDrops++;
 			adapter->Stats.XmtErrors++;
 			DBG_ERROR("%s: SXG_ISR_ERR  XDROP!!\n", __func__);
 		}
 	}
-	// Slowpath send completions
+	/* Slowpath send completions */
 	if (Isr & SXG_ISR_SPSEND) {
 		sxg_complete_slow_send(adapter);
 	}
-	// Dump
+	/* Dump */
 	if (Isr & SXG_ISR_UPC) {
-		ASSERT(adapter->DumpCmdRunning);	// Maybe change when debug is added..
+		ASSERT(adapter->DumpCmdRunning);	/* Maybe change when debug is added.. */
 		adapter->DumpCmdRunning = FALSE;
 	}
-	// Link event
+	/* Link event */
 	if (Isr & SXG_ISR_LINK) {
 		sxg_link_event(adapter);
 	}
-	// Debug - breakpoint hit
+	/* Debug - breakpoint hit */
 	if (Isr & SXG_ISR_BREAK) {
-		// At the moment AGDB isn't written to support interactive
-		// debug sessions.  When it is, this interrupt will be used
-		// to signal AGDB that it has hit a breakpoint.  For now, ASSERT.
+		/* At the moment AGDB isn't written to support interactive */
+		/* debug sessions.  When it is, this interrupt will be used */
+		/* to signal AGDB that it has hit a breakpoint.  For now, ASSERT. */
 		ASSERT(0);
 	}
-	// Heartbeat response
+	/* Heartbeat response */
 	if (Isr & SXG_ISR_PING) {
 		adapter->PingOutstanding = FALSE;
 	}
@@ -1171,39 +1171,39 @@ static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId)
 	       (adapter->State == SXG_STATE_PAUSING) ||
 	       (adapter->State == SXG_STATE_PAUSED) ||
 	       (adapter->State == SXG_STATE_HALTING));
-	// We may still have unprocessed events on the queue if
-	// the card crashed.  Don't process them.
+	/* We may still have unprocessed events on the queue if */
+	/* the card crashed.  Don't process them. */
 	if (adapter->Dead) {
 		return (0);
 	}
-	// In theory there should only be a single processor that
-	// accesses this queue, and only at interrupt-DPC time.  So
-	// we shouldn't need a lock for any of this.
+	/* In theory there should only be a single processor that */
+	/* accesses this queue, and only at interrupt-DPC time.  So */
+	/* we shouldn't need a lock for any of this. */
 	while (Event->Status & EVENT_STATUS_VALID) {
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "Event",
 			  Event, Event->Code, Event->Status,
 			  adapter->NextEvent);
 		switch (Event->Code) {
 		case EVENT_CODE_BUFFERS:
-			ASSERT(!(Event->CommandIndex & 0xFF00));	// SXG_RING_INFO Head & Tail == unsigned char
-			//
+			ASSERT(!(Event->CommandIndex & 0xFF00));	/* SXG_RING_INFO Head & Tail == unsigned char */
+			/* */
 			sxg_complete_descriptor_blocks(adapter,
 						       Event->CommandIndex);
-			//
+			/* */
 			break;
 		case EVENT_CODE_SLOWRCV:
 			--adapter->RcvBuffersOnCard;
 			if ((skb = sxg_slow_receive(adapter, Event))) {
 				u32 rx_bytes;
 #ifdef LINUX_HANDLES_RCV_INDICATION_LISTS
-				// Add it to our indication list
+				/* Add it to our indication list */
 				SXG_ADD_RCV_PACKET(adapter, skb, prev_skb,
 						   IndicationList, num_skbs);
-				//  In Linux, we just pass up each skb to the protocol above at this point,
-				//  there is no capability of an indication list.
+				/*  In Linux, we just pass up each skb to the protocol above at this point, */
+				/*  there is no capability of an indication list. */
 #else
-// CHECK            skb_pull(skb, INIC_RCVBUF_HEADSIZE);
-				rx_bytes = Event->Length;	// (rcvbuf->length & IRHDDR_FLEN_MSK);
+/* CHECK            skb_pull(skb, INIC_RCVBUF_HEADSIZE); */
+				rx_bytes = Event->Length;	/* (rcvbuf->length & IRHDDR_FLEN_MSK); */
 				skb_put(skb, rx_bytes);
 				adapter->stats.rx_packets++;
 				adapter->stats.rx_bytes += rx_bytes;
@@ -1219,42 +1219,42 @@ static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId)
 		default:
 			DBG_ERROR("%s: ERROR  Invalid EventCode %d\n",
 				  __func__, Event->Code);
-//                      ASSERT(0);
+/*                      ASSERT(0); */
 		}
-		// See if we need to restock card receive buffers.
-		// There are two things to note here:
-		//      First - This test is not SMP safe.  The
-		//              adapter->BuffersOnCard field is protected via atomic interlocked calls, but
-		//              we do not protect it with respect to these tests.  The only way to do that
-		//      is with a lock, and I don't want to grab a lock every time we adjust the
-		//      BuffersOnCard count.  Instead, we allow the buffer replenishment to be off
-		//      once in a while.  The worst that can happen is the card is given one
-		//      more-or-less descriptor block than the arbitrary value we've chosen.
-		//      No big deal
-		//      In short DO NOT ADD A LOCK HERE, OR WHERE RcvBuffersOnCard is adjusted.
-		//      Second - We expect this test to rarely evaluate to true.  We attempt to
-		//      refill descriptor blocks as they are returned to us
-		//      (sxg_complete_descriptor_blocks), so The only time this should evaluate
-		//      to true is when sxg_complete_descriptor_blocks failed to allocate
-		//              receive buffers.
+		/* See if we need to restock card receive buffers. */
+		/* There are two things to note here: */
+		/*      First - This test is not SMP safe.  The */
+		/*              adapter->BuffersOnCard field is protected via atomic interlocked calls, but */
+		/*              we do not protect it with respect to these tests.  The only way to do that */
+		/*      is with a lock, and I don't want to grab a lock every time we adjust the */
+		/*      BuffersOnCard count.  Instead, we allow the buffer replenishment to be off */
+		/*      once in a while.  The worst that can happen is the card is given one */
+		/*      more-or-less descriptor block than the arbitrary value we've chosen. */
+		/*      No big deal */
+		/*      In short DO NOT ADD A LOCK HERE, OR WHERE RcvBuffersOnCard is adjusted. */
+		/*      Second - We expect this test to rarely evaluate to true.  We attempt to */
+		/*      refill descriptor blocks as they are returned to us */
+		/*      (sxg_complete_descriptor_blocks), so The only time this should evaluate */
+		/*      to true is when sxg_complete_descriptor_blocks failed to allocate */
+		/*              receive buffers. */
 		if (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) {
 			sxg_stock_rcv_buffers(adapter);
 		}
-		// It's more efficient to just set this to zero.
-		// But clearing the top bit saves potential debug info...
+		/* It's more efficient to just set this to zero. */
+		/* But clearing the top bit saves potential debug info... */
 		Event->Status &= ~EVENT_STATUS_VALID;
-		// Advanct to the next event
+		/* Advanct to the next event */
 		SXG_ADVANCE_INDEX(adapter->NextEvent[RssId], EVENT_RING_SIZE);
 		Event = &EventRing->Ring[adapter->NextEvent[RssId]];
 		EventsProcessed++;
 		if (EventsProcessed == EVENT_RING_BATCH) {
-			// Release a batch of events back to the card
+			/* Release a batch of events back to the card */
 			WRITE_REG(adapter->UcodeRegs[RssId].EventRelease,
 				  EVENT_RING_BATCH, FALSE);
 			EventsProcessed = 0;
-			// If we've processed our batch limit, break out of the
-			// loop and return SXG_ISR_EVENT to arrange for us to
-			// be called again
+			/* If we've processed our batch limit, break out of the */
+			/* loop and return SXG_ISR_EVENT to arrange for us to */
+			/* be called again */
 			if (Batches++ == EVENT_BATCH_LIMIT) {
 				SXG_TRACE(TRACE_SXG, SxgTraceBuffer,
 					  TRACE_NOISY, "EvtLimit", Batches,
@@ -1265,14 +1265,14 @@ static u32 sxg_process_event_queue(p_adapter_t adapter, u32 RssId)
 		}
 	}
 #ifdef LINUX_HANDLES_RCV_INDICATION_LISTS
-	//
-	// Indicate any received dumb-nic frames
-	//
+	/* */
+	/* Indicate any received dumb-nic frames */
+	/* */
 	SXG_INDICATE_PACKETS(adapter, IndicationList, num_skbs);
 #endif
-	//
-	// Release events back to the card.
-	//
+	/* */
+	/* Release events back to the card. */
+	/* */
 	if (EventsProcessed) {
 		WRITE_REG(adapter->UcodeRegs[RssId].EventRelease,
 			  EventsProcessed, FALSE);
@@ -1299,43 +1299,43 @@ static void sxg_complete_slow_send(p_adapter_t adapter)
 	u32 *ContextType;
 	PSXG_CMD XmtCmd;
 
-	// NOTE - This lock is dropped and regrabbed in this loop.
-	// This means two different processors can both be running
-	// through this loop. Be *very* careful.
+	/* NOTE - This lock is dropped and regrabbed in this loop. */
+	/* This means two different processors can both be running */
+	/* through this loop. Be *very* careful. */
 	spin_lock(&adapter->XmtZeroLock);
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnds",
 		  adapter, XmtRingInfo->Head, XmtRingInfo->Tail, 0);
 
 	while (XmtRingInfo->Tail != *adapter->XmtRingZeroIndex) {
-		// Locate the current Cmd (ring descriptor entry), and
-		// associated SGL, and advance the tail
+		/* Locate the current Cmd (ring descriptor entry), and */
+		/* associated SGL, and advance the tail */
 		SXG_RETURN_CMD(XmtRing, XmtRingInfo, XmtCmd, ContextType);
 		ASSERT(ContextType);
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpSnd",
 			  XmtRingInfo->Head, XmtRingInfo->Tail, XmtCmd, 0);
-		// Clear the SGL field.
+		/* Clear the SGL field. */
 		XmtCmd->Sgl = 0;
 
 		switch (*ContextType) {
 		case SXG_SGL_DUMB:
 			{
 				struct sk_buff *skb;
-				// Dumb-nic send.  Command context is the dumb-nic SGL
+				/* Dumb-nic send.  Command context is the dumb-nic SGL */
 				skb = (struct sk_buff *)ContextType;
-				// Complete the send
+				/* Complete the send */
 				SXG_TRACE(TRACE_SXG, SxgTraceBuffer,
 					  TRACE_IMPORTANT, "DmSndCmp", skb, 0,
 					  0, 0);
 				ASSERT(adapter->Stats.XmtQLen);
-				adapter->Stats.XmtQLen--;	// within XmtZeroLock
+				adapter->Stats.XmtQLen--;	/* within XmtZeroLock */
 				adapter->Stats.XmtOk++;
-				// Now drop the lock and complete the send back to
-				// Microsoft.  We need to drop the lock because
-				// Microsoft can come back with a chimney send, which
-				// results in a double trip in SxgTcpOuput
+				/* Now drop the lock and complete the send back to */
+				/* Microsoft.  We need to drop the lock because */
+				/* Microsoft can come back with a chimney send, which */
+				/* results in a double trip in SxgTcpOuput */
 				spin_unlock(&adapter->XmtZeroLock);
 				SXG_COMPLETE_DUMB_SEND(adapter, skb);
-				// and reacquire..
+				/* and reacquire.. */
 				spin_lock(&adapter->XmtZeroLock);
 			}
 			break;
@@ -1371,7 +1371,7 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "SlowRcv", Event,
 		  RcvDataBufferHdr, RcvDataBufferHdr->State,
 		  RcvDataBufferHdr->VirtualAddress);
-	// Drop rcv frames in non-running state
+	/* Drop rcv frames in non-running state */
 	switch (adapter->State) {
 	case SXG_STATE_RUNNING:
 		break;
@@ -1384,12 +1384,12 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
 		goto drop;
 	}
 
-	// Change buffer state to UPSTREAM
+	/* Change buffer state to UPSTREAM */
 	RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM;
 	if (Event->Status & EVENT_STATUS_RCVERR) {
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "RcvError",
 			  Event, Event->Status, Event->HostHandle, 0);
-		// XXXTODO - Remove this print later
+		/* XXXTODO - Remove this print later */
 		DBG_ERROR("SXG: Receive error %x\n", *(u32 *)
 			  SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr));
 		sxg_process_rcv_error(adapter, *(u32 *)
@@ -1397,8 +1397,8 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
 				      (RcvDataBufferHdr));
 		goto drop;
 	}
-#if XXXTODO			// VLAN stuff
-	// If there's a VLAN tag, extract it and validate it
+#if XXXTODO			/* VLAN stuff */
+	/* If there's a VLAN tag, extract it and validate it */
 	if (((p_ether_header) (SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr)))->
 	    EtherType == ETHERTYPE_VLAN) {
 		if (SxgExtractVlanHeader(adapter, RcvDataBufferHdr, Event) !=
@@ -1411,9 +1411,9 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
 		}
 	}
 #endif
-	//
-	// Dumb-nic frame.  See if it passes our mac filter and update stats
-	//
+	/* */
+	/* Dumb-nic frame.  See if it passes our mac filter and update stats */
+	/* */
 	if (!sxg_mac_filter(adapter, (p_ether_header)
 			    SXG_RECEIVE_DATA_LOCATION(RcvDataBufferHdr),
 			    Event->Length)) {
@@ -1427,9 +1427,9 @@ static struct sk_buff *sxg_slow_receive(p_adapter_t adapter, PSXG_EVENT Event)
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumbRcv",
 		  RcvDataBufferHdr, Packet, Event->Length, 0);
-	//
-	// Lastly adjust the receive packet length.
-	//
+	/* */
+	/* Lastly adjust the receive packet length. */
+	/* */
 	SXG_ADJUST_RCV_PACKET(Packet, RcvDataBufferHdr, Event);
 
 	return (Packet);
@@ -1541,7 +1541,7 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr,
 
 	if (SXG_MULTICAST_PACKET(EtherHdr)) {
 		if (SXG_BROADCAST_PACKET(EtherHdr)) {
-			// broadcast
+			/* broadcast */
 			if (adapter->MacFilter & MAC_BCAST) {
 				adapter->Stats.DumbRcvBcastPkts++;
 				adapter->Stats.DumbRcvBcastBytes += length;
@@ -1550,7 +1550,7 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr,
 				return (TRUE);
 			}
 		} else {
-			// multicast
+			/* multicast */
 			if (adapter->MacFilter & MAC_ALLMCAST) {
 				adapter->Stats.DumbRcvMcastPkts++;
 				adapter->Stats.DumbRcvMcastBytes += length;
@@ -1580,9 +1580,9 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr,
 			}
 		}
 	} else if (adapter->MacFilter & MAC_DIRECTED) {
-		// Not broadcast or multicast.  Must be directed at us or
-		// the card is in promiscuous mode.  Either way, consider it
-		// ours if MAC_DIRECTED is set
+		/* Not broadcast or multicast.  Must be directed at us or */
+		/* the card is in promiscuous mode.  Either way, consider it */
+		/* ours if MAC_DIRECTED is set */
 		adapter->Stats.DumbRcvUcastPkts++;
 		adapter->Stats.DumbRcvUcastBytes += length;
 		adapter->Stats.DumbRcvPkts++;
@@ -1590,7 +1590,7 @@ static bool sxg_mac_filter(p_adapter_t adapter, p_ether_header EtherHdr,
 		return (TRUE);
 	}
 	if (adapter->MacFilter & MAC_PROMISC) {
-		// Whatever it is, keep it.
+		/* Whatever it is, keep it. */
 		adapter->Stats.DumbRcvPkts++;
 		adapter->Stats.DumbRcvBytes += length;
 		return (TRUE);
@@ -1625,7 +1625,7 @@ static int sxg_register_interrupt(p_adapter_t adapter)
 		}
 		adapter->intrregistered = 1;
 		adapter->IntRegistered = TRUE;
-		// Disable RSS with line-based interrupts
+		/* Disable RSS with line-based interrupts */
 		adapter->MsiEnabled = FALSE;
 		adapter->RssEnabled = FALSE;
 		DBG_ERROR("sxg: %s AllocAdaptRsrcs adapter[%p] dev->irq[%x]\n",
@@ -1738,7 +1738,7 @@ static int sxg_entry_open(p_net_device dev)
 		sxg_global.num_sxg_ports_active++;
 		adapter->activated = 1;
 	}
-	// Initialize the adapter
+	/* Initialize the adapter */
 	DBG_ERROR("sxg: %s ENTER sxg_initialize_adapter\n", __func__);
 	status = sxg_initialize_adapter(adapter);
 	DBG_ERROR("sxg: %s EXIT sxg_initialize_adapter status[%x]\n",
@@ -1762,7 +1762,7 @@ static int sxg_entry_open(p_net_device dev)
 	}
 	DBG_ERROR("sxg: %s ENABLE ALL INTERRUPTS\n", __func__);
 
-	// Enable interrupts
+	/* Enable interrupts */
 	SXG_ENABLE_ALL_INTERRUPTS(adapter);
 
 	DBG_ERROR("sxg: %s EXIT\n", __func__);
@@ -1825,11 +1825,11 @@ static int sxg_entry_halt(p_net_device dev)
 static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd)
 {
 	ASSERT(rq);
-//      DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __func__, cmd, rq, dev);
+/*      DBG_ERROR("sxg: %s cmd[%x] rq[%p] dev[%p]\n", __func__, cmd, rq, dev); */
 	switch (cmd) {
 	case SIOCSLICSETINTAGG:
 		{
-//                      p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
+/*                      p_adapter_t adapter = (p_adapter_t) netdev_priv(dev); */
 			u32 data[7];
 			u32 intagg;
 
@@ -1846,7 +1846,7 @@ static int sxg_ioctl(p_net_device dev, struct ifreq *rq, int cmd)
 		}
 
 	default:
-//              DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __func__, cmd);
+/*              DBG_ERROR("sxg: %s UNSUPPORTED[%x]\n", __func__, cmd); */
 		return -EOPNOTSUPP;
 	}
 	return 0;
@@ -1872,13 +1872,13 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev)
 
 	DBG_ERROR("sxg: %s ENTER sxg_send_packets skb[%p]\n", __func__,
 		  skb);
-	// Check the adapter state
+	/* Check the adapter state */
 	switch (adapter->State) {
 	case SXG_STATE_INITIALIZING:
 	case SXG_STATE_HALTED:
 	case SXG_STATE_SHUTDOWN:
-		ASSERT(0);	// unexpected
-		// fall through
+		ASSERT(0);	/* unexpected */
+		/* fall through */
 	case SXG_STATE_RESETTING:
 	case SXG_STATE_SLEEP:
 	case SXG_STATE_BOOTDIAG:
@@ -1898,17 +1898,17 @@ static int sxg_send_packets(struct sk_buff *skb, p_net_device dev)
 	if (status != STATUS_SUCCESS) {
 		goto xmit_fail;
 	}
-	// send a packet
+	/* send a packet */
 	status = sxg_transmit_packet(adapter, skb);
 	if (status == STATUS_SUCCESS) {
 		goto xmit_done;
 	}
 
       xmit_fail:
-	// reject & complete all the packets if they cant be sent
+	/* reject & complete all the packets if they cant be sent */
 	if (status != STATUS_SUCCESS) {
 #if XXXTODO
-//      sxg_send_packets_fail(adapter, skb, status);
+/*      sxg_send_packets_fail(adapter, skb, status); */
 #else
 		SXG_DROP_DUMB_SEND(adapter, skb);
 		adapter->stats.tx_dropped++;
@@ -1940,12 +1940,12 @@ static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb)
 	void *SglBuffer;
 	u32 SglBufferLength;
 
-	// The vast majority of work is done in the shared
-	// sxg_dumb_sgl routine.
+	/* The vast majority of work is done in the shared */
+	/* sxg_dumb_sgl routine. */
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSend",
 		  adapter, skb, 0, 0);
 
-	// Allocate a SGL buffer
+	/* Allocate a SGL buffer */
 	SXG_GET_SGL_BUFFER(adapter, SxgSgl);
 	if (!SxgSgl) {
 		adapter->Stats.NoSglBuf++;
@@ -1963,9 +1963,9 @@ static int sxg_transmit_packet(p_adapter_t adapter, struct sk_buff *skb)
 	SxgSgl->DumbPacket = skb;
 	pSgl = NULL;
 
-	// Call the common sxg_dumb_sgl routine to complete the send.
+	/* Call the common sxg_dumb_sgl routine to complete the send. */
 	sxg_dumb_sgl(pSgl, SxgSgl);
-	// Return success   sxg_dumb_sgl (or something later) will complete it.
+	/* Return success   sxg_dumb_sgl (or something later) will complete it. */
 	return (STATUS_SUCCESS);
 }
 
@@ -1983,39 +1983,39 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl)
 {
 	p_adapter_t adapter = SxgSgl->adapter;
 	struct sk_buff *skb = SxgSgl->DumbPacket;
-	// For now, all dumb-nic sends go on RSS queue zero
+	/* For now, all dumb-nic sends go on RSS queue zero */
 	PSXG_XMT_RING XmtRing = &adapter->XmtRings[0];
 	PSXG_RING_INFO XmtRingInfo = &adapter->XmtRingZeroInfo;
 	PSXG_CMD XmtCmd = NULL;
-//      u32                         Index = 0;
+/*      u32                         Index = 0; */
 	u32 DataLength = skb->len;
-//  unsigned int                                BufLen;
-//      u32                         SglOffset;
+/*  unsigned int                                BufLen; */
+/*      u32                         SglOffset; */
 	u64 phys_addr;
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSgl",
 		  pSgl, SxgSgl, 0, 0);
 
-	// Set aside a pointer to the sgl
+	/* Set aside a pointer to the sgl */
 	SxgSgl->pSgl = pSgl;
 
-	// Sanity check that our SGL format is as we expect.
+	/* Sanity check that our SGL format is as we expect. */
 	ASSERT(sizeof(SXG_X64_SGE) == sizeof(SCATTER_GATHER_ELEMENT));
-	// Shouldn't be a vlan tag on this frame
+	/* Shouldn't be a vlan tag on this frame */
 	ASSERT(SxgSgl->VlanTag.VlanTci == 0);
 	ASSERT(SxgSgl->VlanTag.VlanTpid == 0);
 
-	// From here below we work with the SGL placed in our
-	// buffer.
+	/* From here below we work with the SGL placed in our */
+	/* buffer. */
 
 	SxgSgl->Sgl.NumberOfElements = 1;
 
-	// Grab the spinlock and acquire a command
+	/* Grab the spinlock and acquire a command */
 	spin_lock(&adapter->XmtZeroLock);
 	SXG_GET_CMD(XmtRing, XmtRingInfo, XmtCmd, SxgSgl);
 	if (XmtCmd == NULL) {
-		// Call sxg_complete_slow_send to see if we can
-		// free up any XmtRingZero entries and then try again
+		/* Call sxg_complete_slow_send to see if we can */
+		/* free up any XmtRingZero entries and then try again */
 		spin_unlock(&adapter->XmtZeroLock);
 		sxg_complete_slow_send(adapter);
 		spin_lock(&adapter->XmtZeroLock);
@@ -2027,10 +2027,10 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl)
 	}
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbCmd",
 		  XmtCmd, XmtRingInfo->Head, XmtRingInfo->Tail, 0);
-	// Update stats
+	/* Update stats */
 	adapter->Stats.DumbXmtPkts++;
 	adapter->Stats.DumbXmtBytes += DataLength;
-#if XXXTODO			// Stats stuff
+#if XXXTODO			/* Stats stuff */
 	if (SXG_MULTICAST_PACKET(EtherHdr)) {
 		if (SXG_BROADCAST_PACKET(EtherHdr)) {
 			adapter->Stats.DumbXmtBcastPkts++;
@@ -2044,8 +2044,8 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl)
 		adapter->Stats.DumbXmtUcastBytes += DataLength;
 	}
 #endif
-	// Fill in the command
-	// Copy out the first SGE to the command and adjust for offset
+	/* Fill in the command */
+	/* Copy out the first SGE to the command and adjust for offset */
 	phys_addr =
 	    pci_map_single(adapter->pcidev, skb->data, skb->len,
 			   PCI_DMA_TODEVICE);
@@ -2053,54 +2053,54 @@ static void sxg_dumb_sgl(PSCATTER_GATHER_LIST pSgl, PSXG_SCATTER_GATHER SxgSgl)
 	XmtCmd->Buffer.FirstSgeAddress = XmtCmd->Buffer.FirstSgeAddress << 32;
 	XmtCmd->Buffer.FirstSgeAddress =
 	    XmtCmd->Buffer.FirstSgeAddress | SXG_GET_ADDR_LOW(phys_addr);
-//      XmtCmd->Buffer.FirstSgeAddress = SxgSgl->Sgl.Elements[Index].Address;
-//      XmtCmd->Buffer.FirstSgeAddress.LowPart += MdlOffset;
+/*      XmtCmd->Buffer.FirstSgeAddress = SxgSgl->Sgl.Elements[Index].Address; */
+/*      XmtCmd->Buffer.FirstSgeAddress.LowPart += MdlOffset; */
 	XmtCmd->Buffer.FirstSgeLength = DataLength;
-	// Set a pointer to the remaining SGL entries
-//      XmtCmd->Sgl = SxgSgl->PhysicalAddress;
-	// Advance the physical address of the SxgSgl structure to
-	// the second SGE
-//      SglOffset = (u32)((u32 *)(&SxgSgl->Sgl.Elements[Index+1]) -
-//                                              (u32 *)SxgSgl);
-//      XmtCmd->Sgl.LowPart += SglOffset;
+	/* Set a pointer to the remaining SGL entries */
+/*      XmtCmd->Sgl = SxgSgl->PhysicalAddress; */
+	/* Advance the physical address of the SxgSgl structure to */
+	/* the second SGE */
+/*      SglOffset = (u32)((u32 *)(&SxgSgl->Sgl.Elements[Index+1]) - */
+/*                                              (u32 *)SxgSgl); */
+/*      XmtCmd->Sgl.LowPart += SglOffset; */
 	XmtCmd->Buffer.SgeOffset = 0;
-	// Note - TotalLength might be overwritten with MSS below..
+	/* Note - TotalLength might be overwritten with MSS below.. */
 	XmtCmd->Buffer.TotalLength = DataLength;
-	XmtCmd->SgEntries = 1;	//(ushort)(SxgSgl->Sgl.NumberOfElements - Index);
+	XmtCmd->SgEntries = 1;	/*(ushort)(SxgSgl->Sgl.NumberOfElements - Index); */
 	XmtCmd->Flags = 0;
-	//
-	// Advance transmit cmd descripter by 1.
-	// NOTE - See comments in SxgTcpOutput where we write
-	// to the XmtCmd register regarding CPU ID values and/or
-	// multiple commands.
-	//
-	//
+	/* */
+	/* Advance transmit cmd descripter by 1. */
+	/* NOTE - See comments in SxgTcpOutput where we write */
+	/* to the XmtCmd register regarding CPU ID values and/or */
+	/* multiple commands. */
+	/* */
+	/* */
 	WRITE_REG(adapter->UcodeRegs[0].XmtCmd, 1, TRUE);
-	//
-	//
-	adapter->Stats.XmtQLen++;	// Stats within lock
+	/* */
+	/* */
+	adapter->Stats.XmtQLen++;	/* Stats within lock */
 	spin_unlock(&adapter->XmtZeroLock);
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDumSgl2",
 		  XmtCmd, pSgl, SxgSgl, 0);
 	return;
 
       abortcmd:
-	// NOTE - Only jump to this label AFTER grabbing the
-	// XmtZeroLock, and DO NOT DROP IT between the
-	// command allocation and the following abort.
+	/* NOTE - Only jump to this label AFTER grabbing the */
+	/* XmtZeroLock, and DO NOT DROP IT between the */
+	/* command allocation and the following abort. */
 	if (XmtCmd) {
 		SXG_ABORT_CMD(XmtRingInfo);
 	}
 	spin_unlock(&adapter->XmtZeroLock);
 
-// failsgl:
-	// Jump to this label if failure occurs before the
-	// XmtZeroLock is grabbed
+/* failsgl: */
+	/* Jump to this label if failure occurs before the */
+	/* XmtZeroLock is grabbed */
 	adapter->Stats.XmtErrors++;
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_IMPORTANT, "DumSGFal",
 		  pSgl, SxgSgl, XmtRingInfo->Head, XmtRingInfo->Tail);
 
-	SXG_COMPLETE_DUMB_SEND(adapter, SxgSgl->DumbPacket);	// SxgSgl->DumbPacket is the skb
+	SXG_COMPLETE_DUMB_SEND(adapter, SxgSgl->DumbPacket);	/* SxgSgl->DumbPacket is the skb */
 }
 
 /***************************************************************
@@ -2127,122 +2127,122 @@ static int sxg_initialize_link(p_adapter_t adapter)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitLink",
 		  adapter, 0, 0, 0);
 
-	// Reset PHY and XGXS module
+	/* Reset PHY and XGXS module */
 	WRITE_REG(HwRegs->LinkStatus, LS_SERDES_POWER_DOWN, TRUE);
 
-	// Reset transmit configuration register
+	/* Reset transmit configuration register */
 	WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_RESET, TRUE);
 
-	// Reset receive configuration register
+	/* Reset receive configuration register */
 	WRITE_REG(HwRegs->RcvConfig, RCV_CONFIG_RESET, TRUE);
 
-	// Reset all MAC modules
+	/* Reset all MAC modules */
 	WRITE_REG(HwRegs->MacConfig0, AXGMAC_CFG0_SUB_RESET, TRUE);
 
-	// Link address 0
-	// XXXTODO - This assumes the MAC address (0a:0b:0c:0d:0e:0f)
-	// is stored with the first nibble (0a) in the byte 0
-	// of the Mac address.  Possibly reverse?
+	/* Link address 0 */
+	/* XXXTODO - This assumes the MAC address (0a:0b:0c:0d:0e:0f) */
+	/* is stored with the first nibble (0a) in the byte 0 */
+	/* of the Mac address.  Possibly reverse? */
 	Value = *(u32 *) adapter->MacAddr;
 	WRITE_REG(HwRegs->LinkAddress0Low, Value, TRUE);
-	// also write the MAC address to the MAC.  Endian is reversed.
+	/* also write the MAC address to the MAC.  Endian is reversed. */
 	WRITE_REG(HwRegs->MacAddressLow, ntohl(Value), TRUE);
 	Value = (*(u16 *) & adapter->MacAddr[4] & 0x0000FFFF);
 	WRITE_REG(HwRegs->LinkAddress0High, Value | LINK_ADDRESS_ENABLE, TRUE);
-	// endian swap for the MAC (put high bytes in bits [31:16], swapped)
+	/* endian swap for the MAC (put high bytes in bits [31:16], swapped) */
 	Value = ntohl(Value);
 	WRITE_REG(HwRegs->MacAddressHigh, Value, TRUE);
-	// Link address 1
+	/* Link address 1 */
 	WRITE_REG(HwRegs->LinkAddress1Low, 0, TRUE);
 	WRITE_REG(HwRegs->LinkAddress1High, 0, TRUE);
-	// Link address 2
+	/* Link address 2 */
 	WRITE_REG(HwRegs->LinkAddress2Low, 0, TRUE);
 	WRITE_REG(HwRegs->LinkAddress2High, 0, TRUE);
-	// Link address 3
+	/* Link address 3 */
 	WRITE_REG(HwRegs->LinkAddress3Low, 0, TRUE);
 	WRITE_REG(HwRegs->LinkAddress3High, 0, TRUE);
 
-	// Enable MAC modules
+	/* Enable MAC modules */
 	WRITE_REG(HwRegs->MacConfig0, 0, TRUE);
 
-	// Configure MAC
-	WRITE_REG(HwRegs->MacConfig1, (AXGMAC_CFG1_XMT_PAUSE |	// Allow sending of pause
-				       AXGMAC_CFG1_XMT_EN |	// Enable XMT
-				       AXGMAC_CFG1_RCV_PAUSE |	// Enable detection of pause
-				       AXGMAC_CFG1_RCV_EN |	// Enable receive
-				       AXGMAC_CFG1_SHORT_ASSERT |	// short frame detection
-				       AXGMAC_CFG1_CHECK_LEN |	// Verify frame length
-				       AXGMAC_CFG1_GEN_FCS |	// Generate FCS
-				       AXGMAC_CFG1_PAD_64),	// Pad frames to 64 bytes
+	/* Configure MAC */
+	WRITE_REG(HwRegs->MacConfig1, (AXGMAC_CFG1_XMT_PAUSE |	/* Allow sending of pause */
+				       AXGMAC_CFG1_XMT_EN |	/* Enable XMT */
+				       AXGMAC_CFG1_RCV_PAUSE |	/* Enable detection of pause */
+				       AXGMAC_CFG1_RCV_EN |	/* Enable receive */
+				       AXGMAC_CFG1_SHORT_ASSERT |	/* short frame detection */
+				       AXGMAC_CFG1_CHECK_LEN |	/* Verify frame length */
+				       AXGMAC_CFG1_GEN_FCS |	/* Generate FCS */
+				       AXGMAC_CFG1_PAD_64),	/* Pad frames to 64 bytes */
 		  TRUE);
 
-	// Set AXGMAC max frame length if jumbo.  Not needed for standard MTU
+	/* Set AXGMAC max frame length if jumbo.  Not needed for standard MTU */
 	if (adapter->JumboEnabled) {
 		WRITE_REG(HwRegs->MacMaxFrameLen, AXGMAC_MAXFRAME_JUMBO, TRUE);
 	}
-	// AMIIM Configuration Register -
-	// The value placed in the AXGMAC_AMIIM_CFG_HALF_CLOCK portion
-	// (bottom bits) of this register is used to determine the
-	// MDC frequency as specified in the A-XGMAC Design Document.
-	// This value must not be zero.  The following value (62 or 0x3E)
-	// is based on our MAC transmit clock frequency (MTCLK) of 312.5 MHz.
-	// Given a maximum MDIO clock frequency of 2.5 MHz (see the PHY spec),
-	// we get:  312.5/(2*(X+1)) < 2.5  ==> X = 62.
-	// This value happens to be the default value for this register,
-	// so we really don't have to do this.
+	/* AMIIM Configuration Register - */
+	/* The value placed in the AXGMAC_AMIIM_CFG_HALF_CLOCK portion */
+	/* (bottom bits) of this register is used to determine the */
+	/* MDC frequency as specified in the A-XGMAC Design Document. */
+	/* This value must not be zero.  The following value (62 or 0x3E) */
+	/* is based on our MAC transmit clock frequency (MTCLK) of 312.5 MHz. */
+	/* Given a maximum MDIO clock frequency of 2.5 MHz (see the PHY spec), */
+	/* we get:  312.5/(2*(X+1)) < 2.5  ==> X = 62. */
+	/* This value happens to be the default value for this register, */
+	/* so we really don't have to do this. */
 	WRITE_REG(HwRegs->MacAmiimConfig, 0x0000003E, TRUE);
 
-	// Power up and enable PHY and XAUI/XGXS/Serdes logic
+	/* Power up and enable PHY and XAUI/XGXS/Serdes logic */
 	WRITE_REG(HwRegs->LinkStatus,
 		  (LS_PHY_CLR_RESET |
 		   LS_XGXS_ENABLE |
 		   LS_XGXS_CTL | LS_PHY_CLK_EN | LS_ATTN_ALARM), TRUE);
 	DBG_ERROR("After Power Up and enable PHY in sxg_initialize_link\n");
 
-	// Per information given by Aeluros, wait 100 ms after removing reset.
-	// It's not enough to wait for the self-clearing reset bit in reg 0 to clear.
+	/* Per information given by Aeluros, wait 100 ms after removing reset. */
+	/* It's not enough to wait for the self-clearing reset bit in reg 0 to clear. */
 	mdelay(100);
 
-	// Verify the PHY has come up by checking that the Reset bit has cleared.
-	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
-				   PHY_PMA_CONTROL1,	// PMA/PMD control register
+	/* Verify the PHY has come up by checking that the Reset bit has cleared. */
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	/* PHY PMA/PMD module */
+				   PHY_PMA_CONTROL1,	/* PMA/PMD control register */
 				   &Value);
 	if (status != STATUS_SUCCESS)
 		return (STATUS_FAILURE);
-	if (Value & PMA_CONTROL1_RESET)	// reset complete if bit is 0
+	if (Value & PMA_CONTROL1_RESET)	/* reset complete if bit is 0 */
 		return (STATUS_FAILURE);
 
-	// The SERDES should be initialized by now - confirm
+	/* The SERDES should be initialized by now - confirm */
 	READ_REG(HwRegs->LinkStatus, Value);
-	if (Value & LS_SERDES_DOWN)	// verify SERDES is initialized
+	if (Value & LS_SERDES_DOWN)	/* verify SERDES is initialized */
 		return (STATUS_FAILURE);
 
-	// The XAUI link should also be up - confirm
-	if (!(Value & LS_XAUI_LINK_UP))	// verify XAUI link is up
+	/* The XAUI link should also be up - confirm */
+	if (!(Value & LS_XAUI_LINK_UP))	/* verify XAUI link is up */
 		return (STATUS_FAILURE);
 
-	// Initialize the PHY
+	/* Initialize the PHY */
 	status = sxg_phy_init(adapter);
 	if (status != STATUS_SUCCESS)
 		return (STATUS_FAILURE);
 
-	// Enable the Link Alarm
-	status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
-				    LASI_CONTROL,	// LASI control register
-				    LASI_CTL_LS_ALARM_ENABLE);	// enable link alarm bit
+	/* Enable the Link Alarm */
+	status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	/* PHY PMA/PMD module */
+				    LASI_CONTROL,	/* LASI control register */
+				    LASI_CTL_LS_ALARM_ENABLE);	/* enable link alarm bit */
 	if (status != STATUS_SUCCESS)
 		return (STATUS_FAILURE);
 
-	// XXXTODO - temporary - verify bit is set
-	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
-				   LASI_CONTROL,	// LASI control register
+	/* XXXTODO - temporary - verify bit is set */
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	/* PHY PMA/PMD module */
+				   LASI_CONTROL,	/* LASI control register */
 				   &Value);
 	if (status != STATUS_SUCCESS)
 		return (STATUS_FAILURE);
 	if (!(Value & LASI_CTL_LS_ALARM_ENABLE)) {
 		DBG_ERROR("Error!  LASI Control Alarm Enable bit not set!\n");
 	}
-	// Enable receive
+	/* Enable receive */
 	MaxFrame = adapter->JumboEnabled ? JUMBOMAXFRAME : ETHERMAXFRAME;
 	ConfigData = (RCV_CONFIG_ENABLE |
 		      RCV_CONFIG_ENPARSE |
@@ -2256,7 +2256,7 @@ static int sxg_initialize_link(p_adapter_t adapter)
 
 	WRITE_REG(HwRegs->XmtConfig, XMT_CONFIG_ENABLE, TRUE);
 
-	// Mark the link as down.  We'll get a link event when it comes up.
+	/* Mark the link as down.  We'll get a link event when it comes up. */
 	sxg_link_state(adapter, SXG_LINK_DOWN);
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XInitLnk",
@@ -2281,27 +2281,27 @@ static int sxg_phy_init(p_adapter_t adapter)
 
 	DBG_ERROR("ENTER %s\n", __func__);
 
-	// Read a register to identify the PHY type
-	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
-				   0xC205,	// PHY ID register (?)
-				   &Value);	//    XXXTODO - add def
+	/* Read a register to identify the PHY type */
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	/* PHY PMA/PMD module */
+				   0xC205,	/* PHY ID register (?) */
+				   &Value);	/*    XXXTODO - add def */
 	if (status != STATUS_SUCCESS)
 		return (STATUS_FAILURE);
 
-	if (Value == 0x0012) {	// 0x0012 == AEL2005C PHY(?) - XXXTODO - add def
+	if (Value == 0x0012) {	/* 0x0012 == AEL2005C PHY(?) - XXXTODO - add def */
 		DBG_ERROR
 		    ("AEL2005C PHY detected.  Downloading PHY microcode.\n");
 
-		// Initialize AEL2005C PHY and download PHY microcode
+		/* Initialize AEL2005C PHY and download PHY microcode */
 		for (p = PhyUcode; p->Addr != 0xFFFF; p++) {
 			if (p->Addr == 0) {
-				// if address == 0, data == sleep time in ms
+				/* if address == 0, data == sleep time in ms */
 				mdelay(p->Data);
 			} else {
-				// write the given data to the specified address
-				status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
-							    p->Addr,	// PHY address
-							    p->Data);	// PHY data
+				/* write the given data to the specified address */
+				status = sxg_write_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	/* PHY PMA/PMD module */
+							    p->Addr,	/* PHY address */
+							    p->Data);	/* PHY data */
 				if (status != STATUS_SUCCESS)
 					return (STATUS_FAILURE);
 			}
@@ -2332,38 +2332,38 @@ static void sxg_link_event(p_adapter_t adapter)
 		  adapter, 0, 0, 0);
 	DBG_ERROR("ENTER %s\n", __func__);
 
-	// Check the Link Status register.  We should have a Link Alarm.
+	/* Check the Link Status register.  We should have a Link Alarm. */
 	READ_REG(HwRegs->LinkStatus, Value);
 	if (Value & LS_LINK_ALARM) {
-		// We got a Link Status alarm.  First, pause to let the
-		// link state settle (it can bounce a number of times)
+		/* We got a Link Status alarm.  First, pause to let the */
+		/* link state settle (it can bounce a number of times) */
 		mdelay(10);
 
-		// Now clear the alarm by reading the LASI status register.
-		status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
-					   LASI_STATUS,	// LASI status register
+		/* Now clear the alarm by reading the LASI status register. */
+		status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	/* PHY PMA/PMD module */
+					   LASI_STATUS,	/* LASI status register */
 					   &Value);
 		if (status != STATUS_SUCCESS) {
 			DBG_ERROR("Error reading LASI Status MDIO register!\n");
 			sxg_link_state(adapter, SXG_LINK_DOWN);
-//                      ASSERT(0);
+/*                      ASSERT(0); */
 		}
 		ASSERT(Value & LASI_STATUS_LS_ALARM);
 
-		// Now get and set the link state
+		/* Now get and set the link state */
 		LinkState = sxg_get_link_state(adapter);
 		sxg_link_state(adapter, LinkState);
 		DBG_ERROR("SXG: Link Alarm occurred.  Link is %s\n",
 			  ((LinkState == SXG_LINK_UP) ? "UP" : "DOWN"));
 	} else {
-		// XXXTODO - Assuming Link Attention is only being generated for the
-		// Link Alarm pin (and not for a XAUI Link Status change), then it's
-		// impossible to get here.  Yet we've gotten here twice (under extreme
-		// conditions - bouncing the link up and down many times a second).
-		// Needs further investigation.
+		/* XXXTODO - Assuming Link Attention is only being generated for the */
+		/* Link Alarm pin (and not for a XAUI Link Status change), then it's */
+		/* impossible to get here.  Yet we've gotten here twice (under extreme */
+		/* conditions - bouncing the link up and down many times a second). */
+		/* Needs further investigation. */
 		DBG_ERROR("SXG: sxg_link_event: Can't get here!\n");
 		DBG_ERROR("SXG: Link Status == 0x%08X.\n", Value);
-//              ASSERT(0);
+/*              ASSERT(0); */
 	}
 	DBG_ERROR("EXIT %s\n", __func__);
 
@@ -2388,45 +2388,45 @@ static SXG_LINK_STATE sxg_get_link_state(p_adapter_t adapter)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "GetLink",
 		  adapter, 0, 0, 0);
 
-	// Per the Xenpak spec (and the IEEE 10Gb spec?), the link is up if
-	// the following 3 bits (from 3 different MDIO registers) are all true.
-	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	// PHY PMA/PMD module
-				   PHY_PMA_RCV_DET,	// PMA/PMD Receive Signal Detect register
+	/* Per the Xenpak spec (and the IEEE 10Gb spec?), the link is up if */
+	/* the following 3 bits (from 3 different MDIO registers) are all true. */
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PMA,	/* PHY PMA/PMD module */
+				   PHY_PMA_RCV_DET,	/* PMA/PMD Receive Signal Detect register */
 				   &Value);
 	if (status != STATUS_SUCCESS)
 		goto bad;
 
-	// If PMA/PMD receive signal detect is 0, then the link is down
+	/* If PMA/PMD receive signal detect is 0, then the link is down */
 	if (!(Value & PMA_RCV_DETECT))
 		return (SXG_LINK_DOWN);
 
-	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PCS,	// PHY PCS module
-				   PHY_PCS_10G_STATUS1,	// PCS 10GBASE-R Status 1 register
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_PCS,	/* PHY PCS module */
+				   PHY_PCS_10G_STATUS1,	/* PCS 10GBASE-R Status 1 register */
 				   &Value);
 	if (status != STATUS_SUCCESS)
 		goto bad;
 
-	// If PCS is not locked to receive blocks, then the link is down
+	/* If PCS is not locked to receive blocks, then the link is down */
 	if (!(Value & PCS_10B_BLOCK_LOCK))
 		return (SXG_LINK_DOWN);
 
-	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_XS,	// PHY XS module
-				   PHY_XS_LANE_STATUS,	// XS Lane Status register
+	status = sxg_read_mdio_reg(adapter, MIIM_DEV_PHY_XS,	/* PHY XS module */
+				   PHY_XS_LANE_STATUS,	/* XS Lane Status register */
 				   &Value);
 	if (status != STATUS_SUCCESS)
 		goto bad;
 
-	// If XS transmit lanes are not aligned, then the link is down
+	/* If XS transmit lanes are not aligned, then the link is down */
 	if (!(Value & XS_LANE_ALIGN))
 		return (SXG_LINK_DOWN);
 
-	// All 3 bits are true, so the link is up
+	/* All 3 bits are true, so the link is up */
 	DBG_ERROR("EXIT %s\n", __func__);
 
 	return (SXG_LINK_UP);
 
       bad:
-	// An error occurred reading an MDIO register.  This shouldn't happen.
+	/* An error occurred reading an MDIO register.  This shouldn't happen. */
 	DBG_ERROR("Error reading an MDIO register!\n");
 	ASSERT(0);
 	return (SXG_LINK_DOWN);
@@ -2466,19 +2466,19 @@ static void sxg_link_state(p_adapter_t adapter, SXG_LINK_STATE LinkState)
 
 	DBG_ERROR("ENTER %s\n", __func__);
 
-	// Hold the adapter lock during this routine.  Maybe move
-	// the lock to the caller.
+	/* Hold the adapter lock during this routine.  Maybe move */
+	/* the lock to the caller. */
 	spin_lock(&adapter->AdapterLock);
 	if (LinkState == adapter->LinkState) {
-		// Nothing changed..
+		/* Nothing changed.. */
 		spin_unlock(&adapter->AdapterLock);
 		DBG_ERROR("EXIT #0 %s\n", __func__);
 		return;
 	}
-	// Save the adapter state
+	/* Save the adapter state */
 	adapter->LinkState = LinkState;
 
-	// Drop the lock and indicate link state
+	/* Drop the lock and indicate link state */
 	spin_unlock(&adapter->AdapterLock);
 	DBG_ERROR("EXIT #1 %s\n", __func__);
 
@@ -2501,76 +2501,76 @@ static int sxg_write_mdio_reg(p_adapter_t adapter,
 			      u32 DevAddr, u32 RegAddr, u32 Value)
 {
 	PSXG_HW_REGS HwRegs = adapter->HwRegs;
-	u32 AddrOp;		// Address operation (written to MIIM field reg)
-	u32 WriteOp;		// Write operation (written to MIIM field reg)
-	u32 Cmd;		// Command (written to MIIM command reg)
+	u32 AddrOp;		/* Address operation (written to MIIM field reg) */
+	u32 WriteOp;		/* Write operation (written to MIIM field reg) */
+	u32 Cmd;		/* Command (written to MIIM command reg) */
 	u32 ValueRead;
 	u32 Timeout;
 
-//  DBG_ERROR("ENTER %s\n", __func__);
+/*  DBG_ERROR("ENTER %s\n", __func__); */
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO",
 		  adapter, 0, 0, 0);
 
-	// Ensure values don't exceed field width
-	DevAddr &= 0x001F;	// 5-bit field
-	RegAddr &= 0xFFFF;	// 16-bit field
-	Value &= 0xFFFF;	// 16-bit field
+	/* Ensure values don't exceed field width */
+	DevAddr &= 0x001F;	/* 5-bit field */
+	RegAddr &= 0xFFFF;	/* 16-bit field */
+	Value &= 0xFFFF;	/* 16-bit field */
 
-	// Set MIIM field register bits for an MIIM address operation
+	/* Set MIIM field register bits for an MIIM address operation */
 	AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
 	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
 	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
 	    (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr;
 
-	// Set MIIM field register bits for an MIIM write operation
+	/* Set MIIM field register bits for an MIIM write operation */
 	WriteOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
 	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
 	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
 	    (MIIM_OP_WRITE << AXGMAC_AMIIM_FIELD_OP_SHIFT) | Value;
 
-	// Set MIIM command register bits to execute an MIIM command
+	/* Set MIIM command register bits to execute an MIIM command */
 	Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION;
 
-	// Reset the command register command bit (in case it's not 0)
+	/* Reset the command register command bit (in case it's not 0) */
 	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
 
-	// MIIM write to set the address of the specified MDIO register
+	/* MIIM write to set the address of the specified MDIO register */
 	WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE);
 
-	// Write to MIIM Command Register to execute to address operation
+	/* Write to MIIM Command Register to execute to address operation */
 	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
 
-	// Poll AMIIM Indicator register to wait for completion
+	/* Poll AMIIM Indicator register to wait for completion */
 	Timeout = SXG_LINK_TIMEOUT;
 	do {
-		udelay(100);	// Timeout in 100us units
+		udelay(100);	/* Timeout in 100us units */
 		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
 		if (--Timeout == 0) {
 			return (STATUS_FAILURE);
 		}
 	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
 
-	// Reset the command register command bit
+	/* Reset the command register command bit */
 	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
 
-	// MIIM write to set up an MDIO write operation
+	/* MIIM write to set up an MDIO write operation */
 	WRITE_REG(HwRegs->MacAmiimField, WriteOp, TRUE);
 
-	// Write to MIIM Command Register to execute the write operation
+	/* Write to MIIM Command Register to execute the write operation */
 	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
 
-	// Poll AMIIM Indicator register to wait for completion
+	/* Poll AMIIM Indicator register to wait for completion */
 	Timeout = SXG_LINK_TIMEOUT;
 	do {
-		udelay(100);	// Timeout in 100us units
+		udelay(100);	/* Timeout in 100us units */
 		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
 		if (--Timeout == 0) {
 			return (STATUS_FAILURE);
 		}
 	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
 
-//  DBG_ERROR("EXIT %s\n", __func__);
+/*  DBG_ERROR("EXIT %s\n", __func__); */
 
 	return (STATUS_SUCCESS);
 }
@@ -2591,78 +2591,78 @@ static int sxg_read_mdio_reg(p_adapter_t adapter,
 			     u32 DevAddr, u32 RegAddr, u32 *pValue)
 {
 	PSXG_HW_REGS HwRegs = adapter->HwRegs;
-	u32 AddrOp;		// Address operation (written to MIIM field reg)
-	u32 ReadOp;		// Read operation (written to MIIM field reg)
-	u32 Cmd;		// Command (written to MIIM command reg)
+	u32 AddrOp;		/* Address operation (written to MIIM field reg) */
+	u32 ReadOp;		/* Read operation (written to MIIM field reg) */
+	u32 Cmd;		/* Command (written to MIIM command reg) */
 	u32 ValueRead;
 	u32 Timeout;
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "WrtMDIO",
 		  adapter, 0, 0, 0);
-//  DBG_ERROR("ENTER %s\n", __func__);
+/*  DBG_ERROR("ENTER %s\n", __func__); */
 
-	// Ensure values don't exceed field width
-	DevAddr &= 0x001F;	// 5-bit field
-	RegAddr &= 0xFFFF;	// 16-bit field
+	/* Ensure values don't exceed field width */
+	DevAddr &= 0x001F;	/* 5-bit field */
+	RegAddr &= 0xFFFF;	/* 16-bit field */
 
-	// Set MIIM field register bits for an MIIM address operation
+	/* Set MIIM field register bits for an MIIM address operation */
 	AddrOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
 	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
 	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
 	    (MIIM_OP_ADDR << AXGMAC_AMIIM_FIELD_OP_SHIFT) | RegAddr;
 
-	// Set MIIM field register bits for an MIIM read operation
+	/* Set MIIM field register bits for an MIIM read operation */
 	ReadOp = (MIIM_PORT_NUM << AXGMAC_AMIIM_FIELD_PORT_SHIFT) |
 	    (DevAddr << AXGMAC_AMIIM_FIELD_DEV_SHIFT) |
 	    (MIIM_TA_10GB << AXGMAC_AMIIM_FIELD_TA_SHIFT) |
 	    (MIIM_OP_READ << AXGMAC_AMIIM_FIELD_OP_SHIFT);
 
-	// Set MIIM command register bits to execute an MIIM command
+	/* Set MIIM command register bits to execute an MIIM command */
 	Cmd = AXGMAC_AMIIM_CMD_START | AXGMAC_AMIIM_CMD_10G_OPERATION;
 
-	// Reset the command register command bit (in case it's not 0)
+	/* Reset the command register command bit (in case it's not 0) */
 	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
 
-	// MIIM write to set the address of the specified MDIO register
+	/* MIIM write to set the address of the specified MDIO register */
 	WRITE_REG(HwRegs->MacAmiimField, AddrOp, TRUE);
 
-	// Write to MIIM Command Register to execute to address operation
+	/* Write to MIIM Command Register to execute to address operation */
 	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
 
-	// Poll AMIIM Indicator register to wait for completion
+	/* Poll AMIIM Indicator register to wait for completion */
 	Timeout = SXG_LINK_TIMEOUT;
 	do {
-		udelay(100);	// Timeout in 100us units
+		udelay(100);	/* Timeout in 100us units */
 		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
 		if (--Timeout == 0) {
 			return (STATUS_FAILURE);
 		}
 	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
 
-	// Reset the command register command bit
+	/* Reset the command register command bit */
 	WRITE_REG(HwRegs->MacAmiimCmd, 0, TRUE);
 
-	// MIIM write to set up an MDIO register read operation
+	/* MIIM write to set up an MDIO register read operation */
 	WRITE_REG(HwRegs->MacAmiimField, ReadOp, TRUE);
 
-	// Write to MIIM Command Register to execute the read operation
+	/* Write to MIIM Command Register to execute the read operation */
 	WRITE_REG(HwRegs->MacAmiimCmd, Cmd, TRUE);
 
-	// Poll AMIIM Indicator register to wait for completion
+	/* Poll AMIIM Indicator register to wait for completion */
 	Timeout = SXG_LINK_TIMEOUT;
 	do {
-		udelay(100);	// Timeout in 100us units
+		udelay(100);	/* Timeout in 100us units */
 		READ_REG(HwRegs->MacAmiimIndicator, ValueRead);
 		if (--Timeout == 0) {
 			return (STATUS_FAILURE);
 		}
 	} while (ValueRead & AXGMAC_AMIIM_INDC_BUSY);
 
-	// Read the MDIO register data back from the field register
+	/* Read the MDIO register data back from the field register */
 	READ_REG(HwRegs->MacAmiimField, *pValue);
-	*pValue &= 0xFFFF;	// data is in the lower 16 bits
+	*pValue &= 0xFFFF;	/* data is in the lower 16 bits */
 
-//  DBG_ERROR("EXIT %s\n", __func__);
+/*  DBG_ERROR("EXIT %s\n", __func__); */
 
 	return (STATUS_SUCCESS);
 }
@@ -2852,10 +2852,10 @@ static void sxg_mcast_set_mask(p_adapter_t adapter)
 		 * mode as well as ALLMCAST mode.  It saves the Microcode from having
 		 * to keep state about the MAC configuration.
 		 */
-//              DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n      SLUT MODE!!!\n",__func__);
+/*              DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n      SLUT MODE!!!\n",__func__); */
 		WRITE_REG(sxg_regs->McastLow, 0xFFFFFFFF, FLUSH);
 		WRITE_REG(sxg_regs->McastHigh, 0xFFFFFFFF, FLUSH);
-//        DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__func__, adapter->netdev->name);
+/*        DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__func__, adapter->netdev->name); */
 
 	} else {
 		/* Commit our multicast mast to the SLIC by writing to the multicast
@@ -2878,10 +2878,10 @@ static void sxg_mcast_set_mask(p_adapter_t adapter)
 static void sxg_unmap_mmio_space(p_adapter_t adapter)
 {
 #if LINUX_FREES_ADAPTER_RESOURCES
-//      if (adapter->Regs) {
-//              iounmap(adapter->Regs);
-//      }
-//      adapter->slic_regs = NULL;
+/*      if (adapter->Regs) { */
+/*              iounmap(adapter->Regs); */
+/*      } */
+/*      adapter->slic_regs = NULL; */
 #endif
 }
 
@@ -2909,8 +2909,8 @@ void SxgFreeResources(p_adapter_t adapter)
 	IsrCount = adapter->MsiEnabled ? RssIds : 1;
 
 	if (adapter->BasicAllocations == FALSE) {
-		// No allocations have been made, including spinlocks,
-		// or listhead initializations.  Return.
+		/* No allocations have been made, including spinlocks, */
+		/* or listhead initializations.  Return. */
 		return;
 	}
 
@@ -2920,7 +2920,7 @@ void SxgFreeResources(p_adapter_t adapter)
 	if (!(IsListEmpty(&adapter->AllSglBuffers))) {
 		SxgFreeSglBuffers(adapter);
 	}
-	// Free event queues.
+	/* Free event queues. */
 	if (adapter->EventRings) {
 		pci_free_consistent(adapter->pcidev,
 				    sizeof(SXG_EVENT_RING) * RssIds,
@@ -2947,17 +2947,17 @@ void SxgFreeResources(p_adapter_t adapter)
 	SXG_FREE_PACKET_POOL(adapter->PacketPoolHandle);
 	SXG_FREE_BUFFER_POOL(adapter->BufferPoolHandle);
 
-	// Unmap register spaces
+	/* Unmap register spaces */
 	SxgUnmapResources(adapter);
 
-	// Deregister DMA
+	/* Deregister DMA */
 	if (adapter->DmaHandle) {
 		SXG_DEREGISTER_DMA(adapter->DmaHandle);
 	}
-	// Deregister interrupt
+	/* Deregister interrupt */
 	SxgDeregisterInterrupt(adapter);
 
-	// Possibly free system info (5.2 only)
+	/* Possibly free system info (5.2 only) */
 	SXG_RELEASE_SYSTEM_INFO(adapter);
 
 	SxgDiagFreeResources(adapter);
@@ -3047,23 +3047,23 @@ static int sxg_allocate_buffer_memory(p_adapter_t adapter,
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AllocMem",
 		  adapter, Size, BufferType, 0);
-	// Grab the adapter lock and check the state.
-	// If we're in anything other than INITIALIZING or
-	// RUNNING state, fail.  This is to prevent
-	// allocations in an improper driver state
+	/* Grab the adapter lock and check the state. */
+	/* If we're in anything other than INITIALIZING or */
+	/* RUNNING state, fail.  This is to prevent */
+	/* allocations in an improper driver state */
 	spin_lock(&adapter->AdapterLock);
 
-	// Increment the AllocationsPending count while holding
-	// the lock.  Pause processing relies on this
+	/* Increment the AllocationsPending count while holding */
+	/* the lock.  Pause processing relies on this */
 	++adapter->AllocationsPending;
 	spin_unlock(&adapter->AdapterLock);
 
-	// At initialization time allocate resources synchronously.
+	/* At initialization time allocate resources synchronously. */
 	Buffer = pci_alloc_consistent(adapter->pcidev, Size, &pBuffer);
 	if (Buffer == NULL) {
 		spin_lock(&adapter->AdapterLock);
-		// Decrement the AllocationsPending count while holding
-		// the lock.  Pause processing relies on this
+		/* Decrement the AllocationsPending count while holding */
+		/* the lock.  Pause processing relies on this */
 		--adapter->AllocationsPending;
 		spin_unlock(&adapter->AdapterLock);
 		SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "AlcMemF1",
@@ -3113,10 +3113,10 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 	ASSERT((BufferSize == SXG_RCV_DATA_BUFFER_SIZE) ||
 	       (BufferSize == SXG_RCV_JUMBO_BUFFER_SIZE));
 	ASSERT(Length == SXG_RCV_BLOCK_SIZE(BufferSize));
-	// First, initialize the contained pool of receive data
-	// buffers.  This initialization requires NBL/NB/MDL allocations,
-	// If any of them fail, free the block and return without
-	// queueing the shared memory
+	/* First, initialize the contained pool of receive data */
+	/* buffers.  This initialization requires NBL/NB/MDL allocations, */
+	/* If any of them fail, free the block and return without */
+	/* queueing the shared memory */
 	RcvDataBuffer = RcvBlock;
 #if 0
 	for (i = 0, Paddr = *PhysicalAddress;
@@ -3126,14 +3126,14 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 		for (i = 0, Paddr = PhysicalAddress;
 		     i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
 		     i++, Paddr += BufferSize, RcvDataBuffer += BufferSize) {
-			//
+			/* */
 			RcvDataBufferHdr =
 			    (PSXG_RCV_DATA_BUFFER_HDR) (RcvDataBuffer +
 							SXG_RCV_DATA_BUFFER_HDR_OFFSET
 							(BufferSize));
 			RcvDataBufferHdr->VirtualAddress = RcvDataBuffer;
 			RcvDataBufferHdr->PhysicalAddress = Paddr;
-			RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM;	// For FREE macro assertion
+			RcvDataBufferHdr->State = SXG_BUFFER_UPSTREAM;	/* For FREE macro assertion */
 			RcvDataBufferHdr->Size =
 			    SXG_RCV_BUFFER_DATA_SIZE(BufferSize);
 
@@ -3143,8 +3143,8 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 
 		}
 
-	// Place this entire block of memory on the AllRcvBlocks queue so it can be
-	// free later
+	/* Place this entire block of memory on the AllRcvBlocks queue so it can be */
+	/* free later */
 	RcvBlockHdr =
 	    (PSXG_RCV_BLOCK_HDR) ((unsigned char *)RcvBlock +
 				  SXG_RCV_BLOCK_HDR_OFFSET(BufferSize));
@@ -3155,7 +3155,7 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 	InsertTailList(&adapter->AllRcvBlocks, &RcvBlockHdr->AllList);
 	spin_unlock(&adapter->RcvQLock);
 
-	// Now free the contained receive data buffers that we initialized above
+	/* Now free the contained receive data buffers that we initialized above */
 	RcvDataBuffer = RcvBlock;
 	for (i = 0, Paddr = PhysicalAddress;
 	     i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
@@ -3168,7 +3168,7 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 		spin_unlock(&adapter->RcvQLock);
 	}
 
-	// Locate the descriptor block and put it on a separate free queue
+	/* Locate the descriptor block and put it on a separate free queue */
 	RcvDescriptorBlock =
 	    (PSXG_RCV_DESCRIPTOR_BLOCK) ((unsigned char *)RcvBlock +
 					 SXG_RCV_DESCRIPTOR_BLOCK_OFFSET
@@ -3186,7 +3186,7 @@ static void sxg_allocate_rcvblock_complete(p_adapter_t adapter,
 		  adapter, RcvBlock, Length, 0);
 	return;
       fail:
-	// Free any allocated resources
+	/* Free any allocated resources */
 	if (RcvBlock) {
 		RcvDataBuffer = RcvBlock;
 		for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK;
@@ -3230,7 +3230,7 @@ static void sxg_allocate_sgl_buffer_complete(p_adapter_t adapter,
 	adapter->AllSglBufferCount++;
 	memset(SxgSgl, 0, sizeof(SXG_SCATTER_GATHER));
 	SxgSgl->PhysicalAddress = PhysicalAddress;	/* *PhysicalAddress; */
-	SxgSgl->adapter = adapter;	// Initialize backpointer once
+	SxgSgl->adapter = adapter;	/* Initialize backpointer once */
 	InsertTailList(&adapter->AllSglBuffers, &SxgSgl->AllList);
 	spin_unlock(&adapter->SglQLock);
 	SxgSgl->State = SXG_BUFFER_BUSY;
@@ -3244,14 +3244,14 @@ static unsigned char temp_mac_address[6] =
 
 static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
 {
-//  DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __func__,
-//             card->config_set, adapter->port, adapter->physport, adapter->functionnumber);
-//
-//  sxg_dbg_macaddrs(adapter);
+/*  DBG_ERROR ("%s ENTER card->config_set[%x] port[%d] physport[%d] funct#[%d]\n", __func__, */
+/*             card->config_set, adapter->port, adapter->physport, adapter->functionnumber); */
+/* */
+/*  sxg_dbg_macaddrs(adapter); */
 
 	memcpy(adapter->macaddr, temp_mac_address, sizeof(SXG_CONFIG_MAC));
-//      DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __func__);
-//      sxg_dbg_macaddrs(adapter);
+/*      DBG_ERROR ("%s AFTER copying from config.macinfo into currmacaddr\n", __func__); */
+/*      sxg_dbg_macaddrs(adapter); */
 	if (!(adapter->currmacaddr[0] ||
 	      adapter->currmacaddr[1] ||
 	      adapter->currmacaddr[2] ||
@@ -3262,7 +3262,7 @@ static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
 	if (adapter->netdev) {
 		memcpy(adapter->netdev->dev_addr, adapter->currmacaddr, 6);
 	}
-//  DBG_ERROR ("%s EXIT port %d\n", __func__, adapter->port);
+/*  DBG_ERROR ("%s EXIT port %d\n", __func__, adapter->port); */
 	sxg_dbg_macaddrs(adapter);
 
 }
@@ -3321,68 +3321,68 @@ static int sxg_initialize_adapter(p_adapter_t adapter)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "InitAdpt",
 		  adapter, 0, 0, 0);
 
-	RssIds = 1;		//  XXXTODO  SXG_RSS_CPU_COUNT(adapter);
+	RssIds = 1;		/*  XXXTODO  SXG_RSS_CPU_COUNT(adapter); */
 	IsrCount = adapter->MsiEnabled ? RssIds : 1;
 
-	// Sanity check SXG_UCODE_REGS structure definition to
-	// make sure the length is correct
+	/* Sanity check SXG_UCODE_REGS structure definition to */
+	/* make sure the length is correct */
 	ASSERT(sizeof(SXG_UCODE_REGS) == SXG_REGISTER_SIZE_PER_CPU);
 
-	// Disable interrupts
+	/* Disable interrupts */
 	SXG_DISABLE_ALL_INTERRUPTS(adapter);
 
-	// Set MTU
+	/* Set MTU */
 	ASSERT((adapter->FrameSize == ETHERMAXFRAME) ||
 	       (adapter->FrameSize == JUMBOMAXFRAME));
 	WRITE_REG(adapter->UcodeRegs[0].LinkMtu, adapter->FrameSize, TRUE);
 
-	// Set event ring base address and size
+	/* Set event ring base address and size */
 	WRITE_REG64(adapter,
 		    adapter->UcodeRegs[0].EventBase, adapter->PEventRings, 0);
 	WRITE_REG(adapter->UcodeRegs[0].EventSize, EVENT_RING_SIZE, TRUE);
 
-	// Per-ISR initialization
+	/* Per-ISR initialization */
 	for (i = 0; i < IsrCount; i++) {
 		u64 Addr;
-		// Set interrupt status pointer
+		/* Set interrupt status pointer */
 		Addr = adapter->PIsr + (i * sizeof(u32));
 		WRITE_REG64(adapter, adapter->UcodeRegs[i].Isp, Addr, i);
 	}
 
-	// XMT ring zero index
+	/* XMT ring zero index */
 	WRITE_REG64(adapter,
 		    adapter->UcodeRegs[0].SPSendIndex,
 		    adapter->PXmtRingZeroIndex, 0);
 
-	// Per-RSS initialization
+	/* Per-RSS initialization */
 	for (i = 0; i < RssIds; i++) {
-		// Release all event ring entries to the Microcode
+		/* Release all event ring entries to the Microcode */
 		WRITE_REG(adapter->UcodeRegs[i].EventRelease, EVENT_RING_SIZE,
 			  TRUE);
 	}
 
-	// Transmit ring base and size
+	/* Transmit ring base and size */
 	WRITE_REG64(adapter,
 		    adapter->UcodeRegs[0].XmtBase, adapter->PXmtRings, 0);
 	WRITE_REG(adapter->UcodeRegs[0].XmtSize, SXG_XMT_RING_SIZE, TRUE);
 
-	// Receive ring base and size
+	/* Receive ring base and size */
 	WRITE_REG64(adapter,
 		    adapter->UcodeRegs[0].RcvBase, adapter->PRcvRings, 0);
 	WRITE_REG(adapter->UcodeRegs[0].RcvSize, SXG_RCV_RING_SIZE, TRUE);
 
-	// Populate the card with receive buffers
+	/* Populate the card with receive buffers */
 	sxg_stock_rcv_buffers(adapter);
 
-	// Initialize checksum offload capabilities.  At the moment
-	// we always enable IP and TCP receive checksums on the card.
-	// Depending on the checksum configuration specified by the
-	// user, we can choose to report or ignore the checksum
-	// information provided by the card.
+	/* Initialize checksum offload capabilities.  At the moment */
+	/* we always enable IP and TCP receive checksums on the card. */
+	/* Depending on the checksum configuration specified by the */
+	/* user, we can choose to report or ignore the checksum */
+	/* information provided by the card. */
 	WRITE_REG(adapter->UcodeRegs[0].ReceiveChecksum,
 		  SXG_RCV_TCP_CSUM_ENABLED | SXG_RCV_IP_CSUM_ENABLED, TRUE);
 
-	// Initialize the MAC, XAUI
+	/* Initialize the MAC, XAUI */
 	DBG_ERROR("sxg: %s ENTER sxg_initialize_link\n", __func__);
 	status = sxg_initialize_link(adapter);
 	DBG_ERROR("sxg: %s EXIT sxg_initialize_link status[%x]\n", __func__,
@@ -3390,8 +3390,8 @@ static int sxg_initialize_adapter(p_adapter_t adapter)
 	if (status != STATUS_SUCCESS) {
 		return (status);
 	}
-	// Initialize Dead to FALSE.
-	// SlicCheckForHang or SlicDumpThread will take it from here.
+	/* Initialize Dead to FALSE. */
+	/* SlicCheckForHang or SlicDumpThread will take it from here. */
 	adapter->Dead = FALSE;
 	adapter->PingOutstanding = FALSE;
 
@@ -3428,14 +3428,14 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter,
 
 	ASSERT(RcvDescriptorBlockHdr);
 
-	// If we don't have the resources to fill the descriptor block,
-	// return failure
+	/* If we don't have the resources to fill the descriptor block, */
+	/* return failure */
 	if ((adapter->FreeRcvBufferCount < SXG_RCV_DESCRIPTORS_PER_BLOCK) ||
 	    SXG_RING_FULL(RcvRingInfo)) {
 		adapter->Stats.NoMem++;
 		return (STATUS_FAILURE);
 	}
-	// Get a ring descriptor command
+	/* Get a ring descriptor command */
 	SXG_GET_CMD(RingZero,
 		    RcvRingInfo, RingDescriptorCmd, RcvDescriptorBlockHdr);
 	ASSERT(RingDescriptorCmd);
@@ -3443,7 +3443,7 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter,
 	RcvDescriptorBlock =
 	    (PSXG_RCV_DESCRIPTOR_BLOCK) RcvDescriptorBlockHdr->VirtualAddress;
 
-	// Fill in the descriptor block
+	/* Fill in the descriptor block */
 	for (i = 0; i < SXG_RCV_DESCRIPTORS_PER_BLOCK; i++) {
 		SXG_GET_RCV_DATA_BUFFER(adapter, RcvDataBufferHdr);
 		ASSERT(RcvDataBufferHdr);
@@ -3454,13 +3454,13 @@ static int sxg_fill_descriptor_block(p_adapter_t adapter,
 		RcvDescriptorBlock->Descriptors[i].PhysicalAddress =
 		    RcvDataBufferHdr->PhysicalAddress;
 	}
-	// Add the descriptor block to receive descriptor ring 0
+	/* Add the descriptor block to receive descriptor ring 0 */
 	RingDescriptorCmd->Sgl = RcvDescriptorBlockHdr->PhysicalAddress;
 
-	// RcvBuffersOnCard is not protected via the receive lock (see
-	// sxg_process_event_queue) We don't want to grap a lock every time a
-	// buffer is returned to us, so we use atomic interlocked functions
-	// instead.
+	/* RcvBuffersOnCard is not protected via the receive lock (see */
+	/* sxg_process_event_queue) We don't want to grap a lock every time a */
+	/* buffer is returned to us, so we use atomic interlocked functions */
+	/* instead. */
 	adapter->RcvBuffersOnCard += SXG_RCV_DESCRIPTORS_PER_BLOCK;
 
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DscBlk",
@@ -3490,10 +3490,10 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter)
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "StockBuf",
 		  adapter, adapter->RcvBuffersOnCard,
 		  adapter->FreeRcvBufferCount, adapter->AllRcvBlockCount);
-	// First, see if we've got less than our minimum threshold of
-	// receive buffers, there isn't an allocation in progress, and
-	// we haven't exceeded our maximum.. get another block of buffers
-	// None of this needs to be SMP safe.  It's round numbers.
+	/* First, see if we've got less than our minimum threshold of */
+	/* receive buffers, there isn't an allocation in progress, and */
+	/* we haven't exceeded our maximum.. get another block of buffers */
+	/* None of this needs to be SMP safe.  It's round numbers. */
 	if ((adapter->FreeRcvBufferCount < SXG_MIN_RCV_DATA_BUFFERS) &&
 	    (adapter->AllRcvBlockCount < SXG_MAX_RCV_BLOCKS) &&
 	    (adapter->AllocationsPending == 0)) {
@@ -3502,12 +3502,12 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter)
 							      ReceiveBufferSize),
 					   SXG_BUFFER_TYPE_RCV);
 	}
-	// Now grab the RcvQLock lock and proceed
+	/* Now grab the RcvQLock lock and proceed */
 	spin_lock(&adapter->RcvQLock);
 	while (adapter->RcvBuffersOnCard < SXG_RCV_DATA_BUFFERS) {
 		PLIST_ENTRY _ple;
 
-		// Get a descriptor block
+		/* Get a descriptor block */
 		RcvDescriptorBlockHdr = NULL;
 		if (adapter->FreeRcvBlockCount) {
 			_ple = RemoveHeadList(&adapter->FreeRcvBlocks);
@@ -3519,14 +3519,14 @@ static void sxg_stock_rcv_buffers(p_adapter_t adapter)
 		}
 
 		if (RcvDescriptorBlockHdr == NULL) {
-			// Bail out..
+			/* Bail out.. */
 			adapter->Stats.NoMem++;
 			break;
 		}
-		// Fill in the descriptor block and give it to the card
+		/* Fill in the descriptor block and give it to the card */
 		if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) ==
 		    STATUS_FAILURE) {
-			// Free the descriptor block
+			/* Free the descriptor block */
 			SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter,
 						      RcvDescriptorBlockHdr);
 			break;
@@ -3560,15 +3560,15 @@ static void sxg_complete_descriptor_blocks(p_adapter_t adapter,
 	SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "CmpRBlks",
 		  adapter, Index, RcvRingInfo->Head, RcvRingInfo->Tail);
 
-	// Now grab the RcvQLock lock and proceed
+	/* Now grab the RcvQLock lock and proceed */
 	spin_lock(&adapter->RcvQLock);
 	ASSERT(Index != RcvRingInfo->Tail);
 	while (RcvRingInfo->Tail != Index) {
-		//
-		// Locate the current Cmd (ring descriptor entry), and
-		// associated receive descriptor block, and advance
-		// the tail
-		//
+		/* */
+		/* Locate the current Cmd (ring descriptor entry), and */
+		/* associated receive descriptor block, and advance */
+		/* the tail */
+		/* */
 		SXG_RETURN_CMD(RingZero,
 			       RcvRingInfo,
 			       RingDescriptorCmd, RcvDescriptorBlockHdr);
@@ -3576,12 +3576,12 @@ static void sxg_complete_descriptor_blocks(p_adapter_t adapter,
 			  RcvRingInfo->Head, RcvRingInfo->Tail,
 			  RingDescriptorCmd, RcvDescriptorBlockHdr);
 
-		// Clear the SGL field
+		/* Clear the SGL field */
 		RingDescriptorCmd->Sgl = 0;
-		// Attempt to refill it and hand it right back to the
-		// card.  If we fail to refill it, free the descriptor block
-		// header.  The card will be restocked later via the
-		// RcvBuffersOnCard test
+		/* Attempt to refill it and hand it right back to the */
+		/* card.  If we fail to refill it, free the descriptor block */
+		/* header.  The card will be restocked later via the */
+		/* RcvBuffersOnCard test */
 		if (sxg_fill_descriptor_block(adapter, RcvDescriptorBlockHdr) ==
 		    STATUS_FAILURE) {
 			SXG_FREE_RCV_DESCRIPTOR_BLOCK(adapter,
diff --git a/drivers/staging/sxg/sxghw.h b/drivers/staging/sxg/sxghw.h
index 870eef3f9d5..2222ae91fd9 100644
--- a/drivers/staging/sxg/sxghw.h
+++ b/drivers/staging/sxg/sxghw.h
@@ -13,11 +13,11 @@
 /*******************************************************************************
  * Configuration space
  *******************************************************************************/
-//  PCI Vendor ID
-#define SXG_VENDOR_ID			0x139A	// Alacritech's Vendor ID
+/*  PCI Vendor ID */
+#define SXG_VENDOR_ID			0x139A	/* Alacritech's Vendor ID */
 
 //  PCI Device ID
-#define SXG_DEVICE_ID			0x0009	// Sahara Device ID
+#define SXG_DEVICE_ID			0x0009	/* Sahara Device ID */
 
 //
 // Subsystem IDs.
@@ -623,48 +623,48 @@ typedef struct _RCV_BUF_HDR {
  * Queue definitions
  *****************************************************************************/
 
-// Ingress (read only) queue numbers
-#define PXY_BUF_Q		0		// Proxy Buffer Queue
-#define HST_EVT_Q		1		// Host Event Queue
-#define XMT_BUF_Q		2		// Transmit Buffer Queue
-#define SKT_EVL_Q		3		// RcvSqr Socket Event Low Priority Queue
-#define RCV_EVL_Q		4		// RcvSqr Rcv Event Low Priority Queue
-#define SKT_EVH_Q		5		// RcvSqr Socket Event High Priority Queue
-#define RCV_EVH_Q		6		// RcvSqr Rcv Event High Priority Queue
-#define DMA_RSP_Q		7		// Dma Response Queue - one per CPU context
-// Local (read/write) queue numbers
-#define LOCAL_A_Q		8		// Spare local Queue
-#define LOCAL_B_Q		9		// Spare local Queue
-#define LOCAL_C_Q		10		// Spare local Queue
-#define FSM_EVT_Q		11		// Finite-State-Machine Event Queue
-#define SBF_PAL_Q		12		// System Buffer Physical Address (low) Queue
-#define SBF_PAH_Q		13		// System Buffer Physical Address (high) Queue
-#define SBF_VAL_Q		14		// System Buffer Virtual Address (low) Queue
-#define SBF_VAH_Q		15		// System Buffer Virtual Address (high) Queue
-// Egress (write only) queue numbers
-#define H2G_CMD_Q		16		// Host to GlbRam DMA Command Queue
-#define H2D_CMD_Q		17		// Host to DRAM DMA Command Queue
-#define G2H_CMD_Q		18		// GlbRam to Host DMA Command Queue
-#define G2D_CMD_Q		19		// GlbRam to DRAM DMA Command Queue
-#define D2H_CMD_Q		20		// DRAM to Host DMA Command Queue
-#define D2G_CMD_Q		21		// DRAM to GlbRam DMA Command Queue
-#define D2D_CMD_Q		22		// DRAM to DRAM DMA Command Queue
-#define PXL_CMD_Q		23		// Low Priority Proxy Command Queue
-#define PXH_CMD_Q		24		// High Priority Proxy Command Queue
-#define RSQ_CMD_Q		25		// Receive Sequencer Command Queue
-#define RCV_BUF_Q		26		// Receive Buffer Queue
-
-// Bit definitions for the Proxy Command queues (PXL_CMD_Q and PXH_CMD_Q)
-#define PXY_COPY_EN		0x00200000		// enable copy of xmt descriptor to xmt command queue
-#define PXY_SIZE_16		0x00000000		// copy 16 bytes
-#define PXY_SIZE_32		0x00100000		// copy 32 bytes
+/* Ingress (read only) queue numbers */
+#define PXY_BUF_Q		0		/* Proxy Buffer Queue */
+#define HST_EVT_Q		1		/* Host Event Queue */
+#define XMT_BUF_Q		2		/* Transmit Buffer Queue */
+#define SKT_EVL_Q		3		/* RcvSqr Socket Event Low Priority Queue */
+#define RCV_EVL_Q		4		/* RcvSqr Rcv Event Low Priority Queue */
+#define SKT_EVH_Q		5		/* RcvSqr Socket Event High Priority Queue */
+#define RCV_EVH_Q		6		/* RcvSqr Rcv Event High Priority Queue */
+#define DMA_RSP_Q		7		/* Dma Response Queue - one per CPU context */
+/* Local (read/write) queue numbers */
+#define LOCAL_A_Q		8		/* Spare local Queue */
+#define LOCAL_B_Q		9		/* Spare local Queue */
+#define LOCAL_C_Q		10		/* Spare local Queue */
+#define FSM_EVT_Q		11		/* Finite-State-Machine Event Queue */
+#define SBF_PAL_Q		12		/* System Buffer Physical Address (low) Queue */
+#define SBF_PAH_Q		13		/* System Buffer Physical Address (high) Queue */
+#define SBF_VAL_Q		14		/* System Buffer Virtual Address (low) Queue */
+#define SBF_VAH_Q		15		/* System Buffer Virtual Address (high) Queue */
+/* Egress (write only) queue numbers */
+#define H2G_CMD_Q		16		/* Host to GlbRam DMA Command Queue */
+#define H2D_CMD_Q		17		/* Host to DRAM DMA Command Queue */
+#define G2H_CMD_Q		18		/* GlbRam to Host DMA Command Queue */
+#define G2D_CMD_Q		19		/* GlbRam to DRAM DMA Command Queue */
+#define D2H_CMD_Q		20		/* DRAM to Host DMA Command Queue */
+#define D2G_CMD_Q		21		/* DRAM to GlbRam DMA Command Queue */
+#define D2D_CMD_Q		22		/* DRAM to DRAM DMA Command Queue */
+#define PXL_CMD_Q		23		/* Low Priority Proxy Command Queue */
+#define PXH_CMD_Q		24		/* High Priority Proxy Command Queue */
+#define RSQ_CMD_Q		25		/* Receive Sequencer Command Queue */
+#define RCV_BUF_Q		26		/* Receive Buffer Queue */
+
+/* Bit definitions for the Proxy Command queues (PXL_CMD_Q and PXH_CMD_Q) */
+#define PXY_COPY_EN		0x00200000		/* enable copy of xmt descriptor to xmt command queue */
+#define PXY_SIZE_16		0x00000000		/* copy 16 bytes */
+#define PXY_SIZE_32		0x00100000		/* copy 32 bytes */
 
 /*****************************************************************************
  * SXG EEPROM/Flash Configuration Definitions
  *****************************************************************************/
 #pragma pack(push, 1)
 
-//
+/* */
 typedef struct _HW_CFG_DATA {
 	ushort		Addr;
 	union {
@@ -673,22 +673,22 @@ typedef struct _HW_CFG_DATA {
 	};
 } HW_CFG_DATA, *PHW_CFG_DATA;
 
-//
+/* */
 #define	NUM_HW_CFG_ENTRIES	((128/sizeof(HW_CFG_DATA)) - 4)
 
-// MAC address
+/* MAC address */
 typedef struct _SXG_CONFIG_MAC {
-	unsigned char		MacAddr[6];			// MAC Address
+	unsigned char		MacAddr[6];			/* MAC Address */
 } SXG_CONFIG_MAC, *PSXG_CONFIG_MAC;
 
-//
+/* */
 typedef struct _ATK_FRU {
 	unsigned char		PartNum[6];
 	unsigned char		Revision[2];
 	unsigned char		Serial[14];
 } ATK_FRU, *PATK_FRU;
 
-// OEM FRU Format types
+/* OEM FRU Format types */
 #define	ATK_FRU_FORMAT		0x0000
 #define CPQ_FRU_FORMAT		0x0001
 #define DELL_FRU_FORMAT		0x0002
@@ -697,24 +697,24 @@ typedef struct _ATK_FRU {
 #define EMC_FRU_FORMAT		0x0005
 #define NO_FRU_FORMAT		0xFFFF
 
-// EEPROM/Flash Format
+/* EEPROM/Flash Format */
 typedef struct _SXG_CONFIG {
-	//
-	// Section 1 (128 bytes)
-	//
-	ushort			MagicWord;			// EEPROM/FLASH Magic code 'A5A5'
-	ushort			SpiClks;			// SPI bus clock dividers
+	/* */
+	/* Section 1 (128 bytes) */
+	/* */
+	ushort			MagicWord;			/* EEPROM/FLASH Magic code 'A5A5' */
+	ushort			SpiClks;			/* SPI bus clock dividers */
 	HW_CFG_DATA		HwCfg[NUM_HW_CFG_ENTRIES];
-	//
-	//
-	//
-	ushort			Version;			// EEPROM format version
-	SXG_CONFIG_MAC	MacAddr[4];			// space for 4 MAC addresses
-	ATK_FRU			AtkFru;				// FRU information
-	ushort			OemFruFormat;		// OEM FRU format type
-	unsigned char			OemFru[76];			// OEM FRU information (optional)
-	ushort			Checksum;			// Checksum of section 2
-	// CS info XXXTODO
+	/* */
+	/* */
+	/* */
+	ushort			Version;			/* EEPROM format version */
+	SXG_CONFIG_MAC	MacAddr[4];			/* space for 4 MAC addresses */
+	ATK_FRU			AtkFru;				/* FRU information */
+	ushort			OemFruFormat;		/* OEM FRU format type */
+	unsigned char			OemFru[76];			/* OEM FRU information (optional) */
+	ushort			Checksum;			/* Checksum of section 2 */
+	/* CS info XXXTODO */
 } SXG_CONFIG, *PSXG_CONFIG;
 #pragma pack(pop)
 
-- 
GitLab


From c6c25ed0bcd8c5d6caf6091e2714b7ccc87316a6 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 21 Oct 2008 10:41:45 -0700
Subject: [PATCH 1865/2224] Staging: sxg: fix up unused function warnings

These functions aren't used yet, so put them behind the
proper #define so the compiler doesn't complain about them.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/sxg.c | 155 +++++++++++++++++++-------------------
 1 file changed, 78 insertions(+), 77 deletions(-)

diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index 3b05acf35d8..fe935e23685 100644
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -112,12 +112,16 @@ static bool sxg_mac_filter(p_adapter_t adapter,
 static struct net_device_stats *sxg_get_stats(p_net_device dev);
 #endif
 
+#define XXXTODO 0
+
+#if XXXTODO
 static int sxg_mac_set_address(p_net_device dev, void *ptr);
+static void sxg_mcast_set_list(p_net_device dev);
+#endif
 
 static void sxg_adapter_set_hwaddr(p_adapter_t adapter);
 
 static void sxg_unmap_mmio_space(p_adapter_t adapter);
-static void sxg_mcast_set_mask(p_adapter_t adapter);
 
 static int sxg_initialize_adapter(p_adapter_t adapter);
 static void sxg_stock_rcv_buffers(p_adapter_t adapter);
@@ -132,9 +136,6 @@ static int sxg_write_mdio_reg(p_adapter_t adapter,
 			      u32 DevAddr, u32 RegAddr, u32 Value);
 static int sxg_read_mdio_reg(p_adapter_t adapter,
 			     u32 DevAddr, u32 RegAddr, u32 *pValue);
-static void sxg_mcast_set_list(p_net_device dev);
-
-#define XXXTODO 0
 
 static unsigned int sxg_first_init = 1;
 static char *sxg_banner =
@@ -2667,38 +2668,6 @@ static int sxg_read_mdio_reg(p_adapter_t adapter,
 	return (STATUS_SUCCESS);
 }
 
-/*
- *  Allocate a mcast_address structure to hold the multicast address.
- *  Link it in.
- */
-static int sxg_mcast_add_list(p_adapter_t adapter, char *address)
-{
-	p_mcast_address_t mcaddr, mlist;
-	bool equaladdr;
-
-	/* Check to see if it already exists */
-	mlist = adapter->mcastaddrs;
-	while (mlist) {
-		ETHER_EQ_ADDR(mlist->address, address, equaladdr);
-		if (equaladdr) {
-			return (STATUS_SUCCESS);
-		}
-		mlist = mlist->next;
-	}
-
-	/* Doesn't already exist.  Allocate a structure to hold it */
-	mcaddr = kmalloc(sizeof(mcast_address_t), GFP_ATOMIC);
-	if (mcaddr == NULL)
-		return 1;
-
-	memcpy(mcaddr->address, address, 6);
-
-	mcaddr->next = adapter->mcastaddrs;
-	adapter->mcastaddrs = mcaddr;
-
-	return (STATUS_SUCCESS);
-}
-
 /*
  * Functions to obtain the CRC corresponding to the destination mac address.
  * This is a standard ethernet CRC in that it is a 32-bit, reflected CRC using
@@ -2710,7 +2679,6 @@ static int sxg_mcast_add_list(p_adapter_t adapter, char *address)
  *
  */
 static u32 sxg_crc_table[256];	/* Table of CRC's for all possible byte values */
-static u32 sxg_crc_init;	/* Is table initialized                        */
 
 /*
  *  Contruct the CRC32 table
@@ -2737,6 +2705,8 @@ static void sxg_mcast_init_crc32(void)
 	}
 }
 
+#if XXXTODO
+static u32 sxg_crc_init;	/* Is table initialized */
 /*
  *  Return the MAC hast as described above.
  */
@@ -2765,6 +2735,74 @@ static unsigned char sxg_mcast_get_mac_hash(char *macaddr)
 	return (machash);
 }
 
+static void sxg_mcast_set_mask(p_adapter_t adapter)
+{
+	PSXG_UCODE_REGS sxg_regs = adapter->UcodeRegs;
+
+	DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__,
+		  adapter->netdev->name, (unsigned int)adapter->MacFilter,
+		  adapter->MulticastMask);
+
+	if (adapter->MacFilter & (MAC_ALLMCAST | MAC_PROMISC)) {
+		/* Turn on all multicast addresses. We have to do this for promiscuous
+		 * mode as well as ALLMCAST mode.  It saves the Microcode from having
+		 * to keep state about the MAC configuration.
+		 */
+/*              DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n      SLUT MODE!!!\n",__func__); */
+		WRITE_REG(sxg_regs->McastLow, 0xFFFFFFFF, FLUSH);
+		WRITE_REG(sxg_regs->McastHigh, 0xFFFFFFFF, FLUSH);
+/*        DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__func__, adapter->netdev->name); */
+
+	} else {
+		/* Commit our multicast mast to the SLIC by writing to the multicast
+		 * address mask registers
+		 */
+		DBG_ERROR("%s (%s) WRITE mcastlow[%lx] mcasthigh[%lx]\n",
+			  __func__, adapter->netdev->name,
+			  ((ulong) (adapter->MulticastMask & 0xFFFFFFFF)),
+			  ((ulong)
+			   ((adapter->MulticastMask >> 32) & 0xFFFFFFFF)));
+
+		WRITE_REG(sxg_regs->McastLow,
+			  (u32) (adapter->MulticastMask & 0xFFFFFFFF), FLUSH);
+		WRITE_REG(sxg_regs->McastHigh,
+			  (u32) ((adapter->
+				  MulticastMask >> 32) & 0xFFFFFFFF), FLUSH);
+	}
+}
+
+/*
+ *  Allocate a mcast_address structure to hold the multicast address.
+ *  Link it in.
+ */
+static int sxg_mcast_add_list(p_adapter_t adapter, char *address)
+{
+	p_mcast_address_t mcaddr, mlist;
+	bool equaladdr;
+
+	/* Check to see if it already exists */
+	mlist = adapter->mcastaddrs;
+	while (mlist) {
+		ETHER_EQ_ADDR(mlist->address, address, equaladdr);
+		if (equaladdr) {
+			return (STATUS_SUCCESS);
+		}
+		mlist = mlist->next;
+	}
+
+	/* Doesn't already exist.  Allocate a structure to hold it */
+	mcaddr = kmalloc(sizeof(mcast_address_t), GFP_ATOMIC);
+	if (mcaddr == NULL)
+		return 1;
+
+	memcpy(mcaddr->address, address, 6);
+
+	mcaddr->next = adapter->mcastaddrs;
+	adapter->mcastaddrs = mcaddr;
+
+	return (STATUS_SUCCESS);
+}
+
 static void sxg_mcast_set_bit(p_adapter_t adapter, char *address)
 {
 	unsigned char crcpoly;
@@ -2783,7 +2821,6 @@ static void sxg_mcast_set_bit(p_adapter_t adapter, char *address)
 
 static void sxg_mcast_set_list(p_net_device dev)
 {
-#if XXXTODO
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
 	int status = STATUS_SUCCESS;
 	int i;
@@ -2835,45 +2872,9 @@ static void sxg_mcast_set_list(p_net_device dev)
 			sxg_mcast_set_mask(adapter);
 		}
 	}
-#endif
 	return;
 }
-
-static void sxg_mcast_set_mask(p_adapter_t adapter)
-{
-	PSXG_UCODE_REGS sxg_regs = adapter->UcodeRegs;
-
-	DBG_ERROR("%s ENTER (%s) macopts[%x] mask[%llx]\n", __func__,
-		  adapter->netdev->name, (unsigned int)adapter->MacFilter,
-		  adapter->MulticastMask);
-
-	if (adapter->MacFilter & (MAC_ALLMCAST | MAC_PROMISC)) {
-		/* Turn on all multicast addresses. We have to do this for promiscuous
-		 * mode as well as ALLMCAST mode.  It saves the Microcode from having
-		 * to keep state about the MAC configuration.
-		 */
-/*              DBG_ERROR("sxg: %s macopts = MAC_ALLMCAST | MAC_PROMISC\n      SLUT MODE!!!\n",__func__); */
-		WRITE_REG(sxg_regs->McastLow, 0xFFFFFFFF, FLUSH);
-		WRITE_REG(sxg_regs->McastHigh, 0xFFFFFFFF, FLUSH);
-/*        DBG_ERROR("%s (%s) WRITE to slic_regs slic_mcastlow&high 0xFFFFFFFF\n",__func__, adapter->netdev->name); */
-
-	} else {
-		/* Commit our multicast mast to the SLIC by writing to the multicast
-		 * address mask registers
-		 */
-		DBG_ERROR("%s (%s) WRITE mcastlow[%lx] mcasthigh[%lx]\n",
-			  __func__, adapter->netdev->name,
-			  ((ulong) (adapter->MulticastMask & 0xFFFFFFFF)),
-			  ((ulong)
-			   ((adapter->MulticastMask >> 32) & 0xFFFFFFFF)));
-
-		WRITE_REG(sxg_regs->McastLow,
-			  (u32) (adapter->MulticastMask & 0xFFFFFFFF), FLUSH);
-		WRITE_REG(sxg_regs->McastHigh,
-			  (u32) ((adapter->
-				  MulticastMask >> 32) & 0xFFFFFFFF), FLUSH);
-	}
-}
+#endif
 
 static void sxg_unmap_mmio_space(p_adapter_t adapter)
 {
@@ -3267,9 +3268,9 @@ static void sxg_adapter_set_hwaddr(p_adapter_t adapter)
 
 }
 
+#if XXXTODO
 static int sxg_mac_set_address(p_net_device dev, void *ptr)
 {
-#if XXXTODO
 	p_adapter_t adapter = (p_adapter_t) netdev_priv(dev);
 	struct sockaddr *addr = ptr;
 
@@ -3295,9 +3296,9 @@ static int sxg_mac_set_address(p_net_device dev, void *ptr)
 		  adapter->currmacaddr[5]);
 
 	sxg_config_set(adapter, TRUE);
-#endif
 	return 0;
 }
+#endif
 
 /*****************************************************************************/
 /*************  SXG DRIVER FUNCTIONS  (below) ********************************/
-- 
GitLab


From d78404cc24dfababd0b594cdca3ecfdd8710869d Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 21 Oct 2008 10:41:45 -0700
Subject: [PATCH 1866/2224] Staging: sxg: fix compiler warnings.

sizeof() isn't an unsigned long :(

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/sxg/sxg.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index fe935e23685..5272a18e204 100644
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -460,8 +460,8 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	/* fails.  If we hit a minimum, fail. */
 
 	for (;;) {
-		DBG_ERROR("%s Allocate XmtRings size[%lx]\n", __func__,
-			  (sizeof(SXG_XMT_RING) * 1));
+		DBG_ERROR("%s Allocate XmtRings size[%x]\n", __func__,
+			  (unsigned int)(sizeof(SXG_XMT_RING) * 1));
 
 		/* Start with big items first - receive and transmit rings.  At the moment */
 		/* I'm going to keep the ring size fixed and adjust the number of */
@@ -477,8 +477,8 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 		}
 		memset(adapter->XmtRings, 0, sizeof(SXG_XMT_RING) * 1);
 
-		DBG_ERROR("%s Allocate RcvRings size[%lx]\n", __func__,
-			  (sizeof(SXG_RCV_RING) * 1));
+		DBG_ERROR("%s Allocate RcvRings size[%x]\n", __func__,
+			  (unsigned int)(sizeof(SXG_RCV_RING) * 1));
 		adapter->RcvRings =
 		    pci_alloc_consistent(adapter->pcidev,
 					 sizeof(SXG_RCV_RING) * 1,
@@ -538,8 +538,8 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 		return (STATUS_RESOURCES);
 	}
 
-	DBG_ERROR("%s Allocate EventRings size[%lx]\n", __func__,
-		  (sizeof(SXG_EVENT_RING) * RssIds));
+	DBG_ERROR("%s Allocate EventRings size[%x]\n", __func__,
+		  (unsigned int)(sizeof(SXG_EVENT_RING) * RssIds));
 
 	/* Allocate event queues. */
 	adapter->EventRings = pci_alloc_consistent(adapter->pcidev,
@@ -569,8 +569,8 @@ static int sxg_allocate_resources(p_adapter_t adapter)
 	}
 	memset(adapter->Isr, 0, sizeof(u32) * IsrCount);
 
-	DBG_ERROR("%s Allocate shared XMT ring zero index location size[%lx]\n",
-		  __func__, sizeof(u32));
+	DBG_ERROR("%s Allocate shared XMT ring zero index location size[%x]\n",
+		  __func__, (unsigned int)sizeof(u32));
 
 	/* Allocate shared XMT ring zero index location */
 	adapter->XmtRingZeroIndex = pci_alloc_consistent(adapter->pcidev,
-- 
GitLab


From a1eb2ba6be72988b2479f749acfdc3bdce41654b Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Tue, 21 Oct 2008 11:45:02 +0300
Subject: [PATCH 1867/2224] Staging: w35und: remove spinlock wrappers

This patch removes the OS_SPIN_LOCK and related wrappers from the driver code.

Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/linux/common.h    |  7 -----
 drivers/staging/winbond/linux/wb35reg.c   | 37 +++++++++++------------
 drivers/staging/winbond/linux/wb35reg_s.h |  2 +-
 drivers/staging/winbond/mlme_s.h          |  2 +-
 drivers/staging/winbond/wblinux.c         | 13 ++++----
 drivers/staging/winbond/wblinux_s.h       |  4 +--
 6 files changed, 27 insertions(+), 38 deletions(-)

diff --git a/drivers/staging/winbond/linux/common.h b/drivers/staging/winbond/linux/common.h
index c8f14b7b5b2..712a86cfa68 100644
--- a/drivers/staging/winbond/linux/common.h
+++ b/drivers/staging/winbond/linux/common.h
@@ -105,13 +105,6 @@ typedef struct urb * PURB;
 #define OS_MEMORY_CLEAR( _A, _S )	memset( (u8 *)_A,0,_S)
 #define OS_MEMORY_COMPARE( _A, _B, _S )	(memcmp(_A,_B,_S)? 0 : 1) // Definition is reverse with Ndis 1: the same 0: different
 
-
-#define OS_SPIN_LOCK				spinlock_t
-#define OS_SPIN_LOCK_ALLOCATE( _S )		spin_lock_init( _S );
-#define OS_SPIN_LOCK_FREE( _S )
-#define OS_SPIN_LOCK_ACQUIRED( _S )		spin_lock_irq( _S )
-#define OS_SPIN_LOCK_RELEASED( _S )		spin_unlock_irq( _S );
-
 #define OS_TIMER	struct timer_list
 #define OS_TIMER_INITIAL( _T, _F, _P )			\
 {							\
diff --git a/drivers/staging/winbond/linux/wb35reg.c b/drivers/staging/winbond/linux/wb35reg.c
index 5c28ec9643d..ebb6db5438a 100644
--- a/drivers/staging/winbond/linux/wb35reg.c
+++ b/drivers/staging/winbond/linux/wb35reg.c
@@ -46,14 +46,14 @@ Wb35Reg_BurstWrite(phw_data_t pHwData, u16 RegisterNo, u32 * pRegisterData, u8 N
 		pRegQueue->pUsbReq = dr;
 		pRegQueue->pUrb = pUrb;
 
-		OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+		spin_lock_irq( &pWb35Reg->EP0VM_spin_lock );
 		if (pWb35Reg->pRegFirst == NULL)
 			pWb35Reg->pRegFirst = pRegQueue;
 		else
 			pWb35Reg->pRegLast->Next = pRegQueue;
 		pWb35Reg->pRegLast = pRegQueue;
 
-		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+		spin_unlock_irq( &pWb35Reg->EP0VM_spin_lock );
 
 		// Start EP0VM
 		Wb35Reg_EP0VM_start(pHwData);
@@ -193,14 +193,14 @@ Wb35Reg_Write(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue )
 		pRegQueue->pUsbReq = dr;
 		pRegQueue->pUrb = pUrb;
 
-		OS_SPIN_LOCK_ACQUIRED(&pWb35Reg->EP0VM_spin_lock );
+		spin_lock_irq(&pWb35Reg->EP0VM_spin_lock );
 		if (pWb35Reg->pRegFirst == NULL)
 			pWb35Reg->pRegFirst = pRegQueue;
 		else
 			pWb35Reg->pRegLast->Next = pRegQueue;
 		pWb35Reg->pRegLast = pRegQueue;
 
-		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+		spin_unlock_irq( &pWb35Reg->EP0VM_spin_lock );
 
 		// Start EP0VM
 		Wb35Reg_EP0VM_start(pHwData);
@@ -254,14 +254,14 @@ Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, u16 RegisterNo, u32 Register
 		pRegQueue->Next = NULL;
 		pRegQueue->pUsbReq = dr;
 		pRegQueue->pUrb = pUrb;
-		OS_SPIN_LOCK_ACQUIRED (&pWb35Reg->EP0VM_spin_lock );
+		spin_lock_irq (&pWb35Reg->EP0VM_spin_lock );
 		if( pWb35Reg->pRegFirst == NULL )
 			pWb35Reg->pRegFirst = pRegQueue;
 		else
 			pWb35Reg->pRegLast->Next = pRegQueue;
 		pWb35Reg->pRegLast = pRegQueue;
 
-		OS_SPIN_LOCK_RELEASED ( &pWb35Reg->EP0VM_spin_lock );
+		spin_unlock_irq ( &pWb35Reg->EP0VM_spin_lock );
 
 		// Start EP0VM
 		Wb35Reg_EP0VM_start(pHwData);
@@ -359,14 +359,14 @@ Wb35Reg_Read(phw_data_t pHwData, u16 RegisterNo,  u32 * pRegisterValue )
 		pRegQueue->Next = NULL;
 		pRegQueue->pUsbReq = dr;
 		pRegQueue->pUrb = pUrb;
-		OS_SPIN_LOCK_ACQUIRED ( &pWb35Reg->EP0VM_spin_lock );
+		spin_lock_irq ( &pWb35Reg->EP0VM_spin_lock );
 		if( pWb35Reg->pRegFirst == NULL )
 			pWb35Reg->pRegFirst = pRegQueue;
 		else
 			pWb35Reg->pRegLast->Next = pRegQueue;
 		pWb35Reg->pRegLast = pRegQueue;
 
-		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+		spin_unlock_irq( &pWb35Reg->EP0VM_spin_lock );
 
 		// Start EP0VM
 		Wb35Reg_EP0VM_start( pHwData );
@@ -411,9 +411,9 @@ Wb35Reg_EP0VM(phw_data_t pHwData )
 		goto cleanup;
 
 	// Get the register data and send to USB through Irp
-	OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+	spin_lock_irq( &pWb35Reg->EP0VM_spin_lock );
 	pRegQueue = pWb35Reg->pRegFirst;
-	OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+	spin_unlock_irq( &pWb35Reg->EP0VM_spin_lock );
 
 	if (!pRegQueue)
 		goto cleanup;
@@ -468,12 +468,12 @@ Wb35Reg_EP0VM_complete(PURB pUrb)
 		OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Reg->RegFireCount );
 	} else {
 		// Complete to send, remove the URB from the first
-		OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+		spin_lock_irq( &pWb35Reg->EP0VM_spin_lock );
 		pRegQueue = pWb35Reg->pRegFirst;
 		if (pRegQueue == pWb35Reg->pRegLast)
 			pWb35Reg->pRegLast = NULL;
 		pWb35Reg->pRegFirst = pWb35Reg->pRegFirst->Next;
-		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+		spin_unlock_irq( &pWb35Reg->EP0VM_spin_lock );
 
 		if (pWb35Reg->EP0VM_status) {
 #ifdef _PE_REG_DUMP_
@@ -513,7 +513,7 @@ Wb35Reg_destroy(phw_data_t pHwData)
 	OS_SLEEP(10000);  // Delay for waiting function enter 940623.1.b
 
 	// Release all the data in RegQueue
-	OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+	spin_lock_irq( &pWb35Reg->EP0VM_spin_lock );
 	pRegQueue = pWb35Reg->pRegFirst;
 	while (pRegQueue) {
 		if (pRegQueue == pWb35Reg->pRegLast)
@@ -521,7 +521,7 @@ Wb35Reg_destroy(phw_data_t pHwData)
 		pWb35Reg->pRegFirst = pWb35Reg->pRegFirst->Next;
 
 		pUrb = pRegQueue->pUrb;
-		OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
+		spin_unlock_irq( &pWb35Reg->EP0VM_spin_lock );
 		if (pUrb) {
 			usb_free_urb(pUrb);
 			kfree(pRegQueue);
@@ -530,14 +530,11 @@ Wb35Reg_destroy(phw_data_t pHwData)
 			WBDEBUG(("EP0 queue release error\n"));
 			#endif
 		}
-		OS_SPIN_LOCK_ACQUIRED( &pWb35Reg->EP0VM_spin_lock );
+		spin_lock_irq( &pWb35Reg->EP0VM_spin_lock );
 
 		pRegQueue = pWb35Reg->pRegFirst;
 	}
-	OS_SPIN_LOCK_RELEASED( &pWb35Reg->EP0VM_spin_lock );
-
-	// Free resource
-	OS_SPIN_LOCK_FREE(  &pWb35Reg->EP0VM_spin_lock );
+	spin_unlock_irq( &pWb35Reg->EP0VM_spin_lock );
 }
 
 //====================================================================================
@@ -550,7 +547,7 @@ unsigned char Wb35Reg_initial(phw_data_t pHwData)
 	u32 SoftwareSet, VCO_trim, TxVga, Region_ScanInterval;
 
 	// Spin lock is acquired for read and write IRP command
-	OS_SPIN_LOCK_ALLOCATE( &pWb35Reg->EP0VM_spin_lock );
+	spin_lock_init( &pWb35Reg->EP0VM_spin_lock );
 
 	// Getting RF module type from EEPROM ------------------------------------
 	Wb35Reg_WriteSync( pHwData, 0x03b4, 0x080d0000 ); // Start EEPROM access + Read + address(0x0d)
diff --git a/drivers/staging/winbond/linux/wb35reg_s.h b/drivers/staging/winbond/linux/wb35reg_s.h
index 9b763012610..8b35b93f7f0 100644
--- a/drivers/staging/winbond/linux/wb35reg_s.h
+++ b/drivers/staging/winbond/linux/wb35reg_s.h
@@ -143,7 +143,7 @@ typedef struct _WB35REG
 	//-------------------
 	// VM
 	//-------------------
-	OS_SPIN_LOCK	EP0VM_spin_lock; // 4B
+	spinlock_t	EP0VM_spin_lock; // 4B
 	u32	        EP0VM_status;//$$
 	PREG_QUEUE	    pRegFirst;
 	PREG_QUEUE	    pRegLast;
diff --git a/drivers/staging/winbond/mlme_s.h b/drivers/staging/winbond/mlme_s.h
index 6ec818b3c23..039fd408ba6 100644
--- a/drivers/staging/winbond/mlme_s.h
+++ b/drivers/staging/winbond/mlme_s.h
@@ -130,7 +130,7 @@ typedef struct _MLME_FRAME
 	u8			DataType;
 	u8			IsInUsed;
 
-	OS_SPIN_LOCK	MLMESpinLock;
+	spinlock_t	MLMESpinLock;
 
     u8		TxMMPDU[MAX_NUM_TX_MMPDU][MAX_MMPDU_SIZE];
 	u8		TxMMPDUInUse[ (MAX_NUM_TX_MMPDU+3) & ~0x03 ];
diff --git a/drivers/staging/winbond/wblinux.c b/drivers/staging/winbond/wblinux.c
index 51dad95b48b..186ad6029c7 100644
--- a/drivers/staging/winbond/wblinux.c
+++ b/drivers/staging/winbond/wblinux.c
@@ -26,10 +26,10 @@ EncapAtomicInc(PADAPTER Adapter, void* pAtomic)
 	PWBLINUX pWbLinux = &Adapter->WbLinux;
 	u32	ltmp;
 	u32 *	pltmp = (u32 *)pAtomic;
-	OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
+	spin_lock_irq( &pWbLinux->AtomicSpinLock );
 	(*pltmp)++;
 	ltmp = (*pltmp);
-	OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock );
+	spin_unlock_irq( &pWbLinux->AtomicSpinLock );
 	return ltmp;
 }
 
@@ -39,10 +39,10 @@ EncapAtomicDec(PADAPTER Adapter, void* pAtomic)
 	PWBLINUX pWbLinux = &Adapter->WbLinux;
 	u32	ltmp;
 	u32 *	pltmp = (u32 *)pAtomic;
-	OS_SPIN_LOCK_ACQUIRED( &pWbLinux->AtomicSpinLock );
+	spin_lock_irq( &pWbLinux->AtomicSpinLock );
 	(*pltmp)--;
 	ltmp = (*pltmp);
-	OS_SPIN_LOCK_RELEASED( &pWbLinux->AtomicSpinLock );
+	spin_unlock_irq( &pWbLinux->AtomicSpinLock );
 	return ltmp;
 }
 
@@ -51,8 +51,8 @@ WBLINUX_Initial(PADAPTER Adapter)
 {
 	PWBLINUX pWbLinux = &Adapter->WbLinux;
 
-	OS_SPIN_LOCK_ALLOCATE( &pWbLinux->SpinLock );
-	OS_SPIN_LOCK_ALLOCATE( &pWbLinux->AtomicSpinLock );
+	spin_lock_init( &pWbLinux->SpinLock );
+	spin_lock_init( &pWbLinux->AtomicSpinLock );
 	return TRUE;
 }
 
@@ -79,7 +79,6 @@ void
 WBLINUX_Destroy(PADAPTER Adapter)
 {
 	WBLINUX_stop( Adapter );
-	OS_SPIN_LOCK_FREE( &pWbNdis->SpinLock );
 #ifdef _PE_USB_INI_DUMP_
 	WBDEBUG(("[w35und] unregister_netdev!\n"));
 #endif
diff --git a/drivers/staging/winbond/wblinux_s.h b/drivers/staging/winbond/wblinux_s.h
index 97e9167ab83..fd2bb43bf3c 100644
--- a/drivers/staging/winbond/wblinux_s.h
+++ b/drivers/staging/winbond/wblinux_s.h
@@ -24,8 +24,8 @@
 
 typedef struct _WBLINUX
 {
-	OS_SPIN_LOCK	AtomicSpinLock;
-	OS_SPIN_LOCK	SpinLock;
+	spinlock_t	AtomicSpinLock;
+	spinlock_t	SpinLock;
 	u32	shutdown;
 
 	OS_ATOMIC	ThreadCount;
-- 
GitLab


From dc7e04fe28e3354e8b2e13146b2d6a5da1002ff4 Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Tue, 21 Oct 2008 12:14:58 +0300
Subject: [PATCH 1868/2224] Staging: w35und: use gotos for error handling

The driver code uses do { } while (0) together with the break statement to
emulate gotos for error handling. Fix that up by using the goto statement
instead.

Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/linux/wb35rx.c | 161 +++++++++++----------
 drivers/staging/winbond/linux/wb35tx.c | 130 ++++++++---------
 drivers/staging/winbond/linux/wbusb.c  | 161 +++++++++++----------
 drivers/staging/winbond/wblinux.c      | 188 ++++++++++++-------------
 4 files changed, 313 insertions(+), 327 deletions(-)

diff --git a/drivers/staging/winbond/linux/wb35rx.c b/drivers/staging/winbond/linux/wb35rx.c
index c5c331773db..b4b9f5f371d 100644
--- a/drivers/staging/winbond/linux/wb35rx.c
+++ b/drivers/staging/winbond/linux/wb35rx.c
@@ -35,51 +35,50 @@ void Wb35Rx(  phw_data_t pHwData )
 	//
 	// Issuing URB
 	//
-	do {
-		if (pHwData->SurpriseRemove || pHwData->HwStop)
-			break;
+	if (pHwData->SurpriseRemove || pHwData->HwStop)
+		goto error;
 
-		if (pWb35Rx->rx_halt)
-			break;
+	if (pWb35Rx->rx_halt)
+		goto error;
 
-		// Get RxBuffer's ID
-		RxBufferId = pWb35Rx->RxBufferId;
-		if (!pWb35Rx->RxOwner[RxBufferId]) {
-			// It's impossible to run here.
-			#ifdef _PE_RX_DUMP_
-			WBDEBUG(("Rx driver fifo unavailable\n"));
-			#endif
-			break;
-		}
+	// Get RxBuffer's ID
+	RxBufferId = pWb35Rx->RxBufferId;
+	if (!pWb35Rx->RxOwner[RxBufferId]) {
+		// It's impossible to run here.
+		#ifdef _PE_RX_DUMP_
+		WBDEBUG(("Rx driver fifo unavailable\n"));
+		#endif
+		goto error;
+	}
 
-		// Update buffer point, then start to bulkin the data from USB
-		pWb35Rx->RxBufferId++;
-		pWb35Rx->RxBufferId %= MAX_USB_RX_BUFFER_NUMBER;
+	// Update buffer point, then start to bulkin the data from USB
+	pWb35Rx->RxBufferId++;
+	pWb35Rx->RxBufferId %= MAX_USB_RX_BUFFER_NUMBER;
 
-		pWb35Rx->CurrentRxBufferId = RxBufferId;
+	pWb35Rx->CurrentRxBufferId = RxBufferId;
 
-		if (1 != OS_MEMORY_ALLOC((void* *)&pWb35Rx->pDRx, MAX_USB_RX_BUFFER)) {
-			printk("w35und: Rx memory alloc failed\n");
-			break;
-		}
-		pRxBufferAddress = pWb35Rx->pDRx;
+	if (1 != OS_MEMORY_ALLOC((void* *)&pWb35Rx->pDRx, MAX_USB_RX_BUFFER)) {
+		printk("w35und: Rx memory alloc failed\n");
+		goto error;
+	}
+	pRxBufferAddress = pWb35Rx->pDRx;
 
-		usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev,
-				  usb_rcvbulkpipe(pHwData->WbUsb.udev, 3),
-				  pRxBufferAddress, MAX_USB_RX_BUFFER,
-				  Wb35Rx_Complete, pHwData);
+	usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev,
+			  usb_rcvbulkpipe(pHwData->WbUsb.udev, 3),
+			  pRxBufferAddress, MAX_USB_RX_BUFFER,
+			  Wb35Rx_Complete, pHwData);
 
-		pWb35Rx->EP3vm_state = VM_RUNNING;
+	pWb35Rx->EP3vm_state = VM_RUNNING;
 
-		retv = wb_usb_submit_urb(pUrb);
+	retv = wb_usb_submit_urb(pUrb);
 
-		if (retv != 0) {
-			printk("Rx URB sending error\n");
-			break;
-		}
-		return;
-	} while(FALSE);
+	if (retv != 0) {
+		printk("Rx URB sending error\n");
+		goto error;
+	}
+	return;
 
+error:
 	// VM stop
 	pWb35Rx->EP3vm_state = VM_STOP;
 	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter );
@@ -99,65 +98,63 @@ void Wb35Rx_Complete(PURB pUrb)
 	pWb35Rx->EP3vm_state = VM_COMPLETED;
 	pWb35Rx->EP3VM_status = pUrb->status;//Store the last result of Irp
 
-	do {
-		RxBufferId = pWb35Rx->CurrentRxBufferId;
+	RxBufferId = pWb35Rx->CurrentRxBufferId;
 
-		pRxBufferAddress = pWb35Rx->pDRx;
-		BulkLength = (u16)pUrb->actual_length;
+	pRxBufferAddress = pWb35Rx->pDRx;
+	BulkLength = (u16)pUrb->actual_length;
 
-		// The IRP is completed
-		pWb35Rx->EP3vm_state = VM_COMPLETED;
+	// The IRP is completed
+	pWb35Rx->EP3vm_state = VM_COMPLETED;
 
-		if (pHwData->SurpriseRemove || pHwData->HwStop) // Must be here, or RxBufferId is invalid
-			break;
+	if (pHwData->SurpriseRemove || pHwData->HwStop) // Must be here, or RxBufferId is invalid
+		goto error;
 
-		if (pWb35Rx->rx_halt)
-			break;
+	if (pWb35Rx->rx_halt)
+		goto error;
 
-		// Start to process the data only in successful condition
-		pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver
-		R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
+	// Start to process the data only in successful condition
+	pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver
+	R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
 
-		// The URB is completed, check the result
-		if (pWb35Rx->EP3VM_status != 0) {
-			#ifdef _PE_USB_STATE_DUMP_
-			WBDEBUG(("EP3 IoCompleteRoutine return error\n"));
-			DebugUsbdStatusInformation( pWb35Rx->EP3VM_status );
-			#endif
-			pWb35Rx->EP3vm_state = VM_STOP;
-			break;
-		}
+	// The URB is completed, check the result
+	if (pWb35Rx->EP3VM_status != 0) {
+		#ifdef _PE_USB_STATE_DUMP_
+		WBDEBUG(("EP3 IoCompleteRoutine return error\n"));
+		DebugUsbdStatusInformation( pWb35Rx->EP3VM_status );
+		#endif
+		pWb35Rx->EP3vm_state = VM_STOP;
+		goto error;
+	}
 
-		// 20060220 For recovering. check if operating in single USB mode
-		if (!HAL_USB_MODE_BURST(pHwData)) {
-			SizeCheck = R00.R00_receive_byte_count;  //20060926 anson's endian
-			if ((SizeCheck & 0x03) > 0)
-				SizeCheck -= 4;
-			SizeCheck = (SizeCheck + 3) & ~0x03;
-			SizeCheck += 12; // 8 + 4 badbeef
-			if ((BulkLength > 1600) ||
-				(SizeCheck > 1600) ||
-				(BulkLength != SizeCheck) ||
-				(BulkLength == 0)) { // Add for fail Urb
-				pWb35Rx->EP3vm_state = VM_STOP;
-				pWb35Rx->Ep3ErrorCount2++;
-			}
+	// 20060220 For recovering. check if operating in single USB mode
+	if (!HAL_USB_MODE_BURST(pHwData)) {
+		SizeCheck = R00.R00_receive_byte_count;  //20060926 anson's endian
+		if ((SizeCheck & 0x03) > 0)
+			SizeCheck -= 4;
+		SizeCheck = (SizeCheck + 3) & ~0x03;
+		SizeCheck += 12; // 8 + 4 badbeef
+		if ((BulkLength > 1600) ||
+			(SizeCheck > 1600) ||
+			(BulkLength != SizeCheck) ||
+			(BulkLength == 0)) { // Add for fail Urb
+			pWb35Rx->EP3vm_state = VM_STOP;
+			pWb35Rx->Ep3ErrorCount2++;
 		}
+	}
 
-		// Indicating the receiving data
-		pWb35Rx->ByteReceived += BulkLength;
-		pWb35Rx->RxBufferSize[ RxBufferId ] = BulkLength;
-
-		if (!pWb35Rx->RxOwner[ RxBufferId ])
-			Wb35Rx_indicate(pHwData);
+	// Indicating the receiving data
+	pWb35Rx->ByteReceived += BulkLength;
+	pWb35Rx->RxBufferSize[ RxBufferId ] = BulkLength;
 
-		kfree(pWb35Rx->pDRx);
-		// Do the next receive
-		Wb35Rx(pHwData);
-		return;
+	if (!pWb35Rx->RxOwner[ RxBufferId ])
+		Wb35Rx_indicate(pHwData);
 
-	} while(FALSE);
+	kfree(pWb35Rx->pDRx);
+	// Do the next receive
+	Wb35Rx(pHwData);
+	return;
 
+error:
 	pWb35Rx->RxOwner[ RxBufferId ] = 1; // Set the owner to hardware
 	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter );
 	pWb35Rx->EP3vm_state = VM_STOP;
diff --git a/drivers/staging/winbond/linux/wb35tx.c b/drivers/staging/winbond/linux/wb35tx.c
index bcb014a073d..ba9d51244e2 100644
--- a/drivers/staging/winbond/linux/wb35tx.c
+++ b/drivers/staging/winbond/linux/wb35tx.c
@@ -100,25 +100,24 @@ void Wb35Tx_complete(struct urb * pUrb)
 	pWb35Tx->TxSendIndex++;
 	pWb35Tx->TxSendIndex %= MAX_USB_TX_BUFFER_NUMBER;
 
-	do {
-		if (pHwData->SurpriseRemove || pHwData->HwStop) // Let WbWlanHalt to handle surprise remove
-			break;
+	if (pHwData->SurpriseRemove || pHwData->HwStop) // Let WbWlanHalt to handle surprise remove
+		goto error;
 
-		if (pWb35Tx->tx_halt)
-			break;
+	if (pWb35Tx->tx_halt)
+		goto error;
 
-		// The URB is completed, check the result
-		if (pWb35Tx->EP4VM_status != 0) {
-			printk("URB submission failed\n");
-			pWb35Tx->EP4vm_state = VM_STOP;
-			break; // Exit while(FALSE);
-		}
+	// The URB is completed, check the result
+	if (pWb35Tx->EP4VM_status != 0) {
+		printk("URB submission failed\n");
+		pWb35Tx->EP4vm_state = VM_STOP;
+		goto error;
+	}
 
-		Mds_Tx(Adapter);
-		Wb35Tx(pHwData);
-		return;
-	} while(FALSE);
+	Mds_Tx(Adapter);
+	Wb35Tx(pHwData);
+	return;
 
+error:
 	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxFireCounter );
 	pWb35Tx->EP4vm_state = VM_STOP;
 }
@@ -228,33 +227,30 @@ void Wb35Tx_EP2VM(phw_data_t pHwData)
 	u32 *	pltmp = (u32 *)pWb35Tx->EP2_buf;
 	int		retv;
 
-	do {
-		if (pHwData->SurpriseRemove || pHwData->HwStop)
-			break;
-
-		if (pWb35Tx->tx_halt)
-			break;
-
-		//
-		// Issuing URB
-		//
-		usb_fill_int_urb( pUrb, pHwData->WbUsb.udev, usb_rcvintpipe(pHwData->WbUsb.udev,2),
-				  pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, pHwData, 32);
+	if (pHwData->SurpriseRemove || pHwData->HwStop)
+		goto error;
 
-		pWb35Tx->EP2vm_state = VM_RUNNING;
-		retv = wb_usb_submit_urb( pUrb );
+	if (pWb35Tx->tx_halt)
+		goto error;
 
-		if(retv < 0) {
-			#ifdef _PE_TX_DUMP_
-			WBDEBUG(("EP2 Tx Irp sending error\n"));
-			#endif
-			break;
-		}
+	//
+	// Issuing URB
+	//
+	usb_fill_int_urb( pUrb, pHwData->WbUsb.udev, usb_rcvintpipe(pHwData->WbUsb.udev,2),
+			  pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, pHwData, 32);
 
-		return;
+	pWb35Tx->EP2vm_state = VM_RUNNING;
+	retv = wb_usb_submit_urb( pUrb );
 
-	} while(FALSE);
+	if (retv < 0) {
+		#ifdef _PE_TX_DUMP_
+		WBDEBUG(("EP2 Tx Irp sending error\n"));
+		#endif
+		goto error;
+	}
 
+	return;
+error:
 	pWb35Tx->EP2vm_state = VM_STOP;
 	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount );
 }
@@ -275,38 +271,36 @@ void Wb35Tx_EP2VM_complete(struct urb * pUrb)
 	pWb35Tx->EP2vm_state = VM_COMPLETED;
 	pWb35Tx->EP2VM_status = pUrb->status;
 
-	do {
-		// For Linux 2.4. Interrupt will always trigger
-		if( pHwData->SurpriseRemove || pHwData->HwStop ) // Let WbWlanHalt to handle surprise remove
-			break;
-
-		if( pWb35Tx->tx_halt )
-			break;
-
-		//The Urb is completed, check the result
-		if (pWb35Tx->EP2VM_status != 0) {
-			WBDEBUG(("EP2 IoCompleteRoutine return error\n"));
-			pWb35Tx->EP2vm_state= VM_STOP;
-			break; // Exit while(FALSE);
-		}
-
-		// Update the Tx result
-		InterruptInLength = pUrb->actual_length;
-		// Modify for minimum memory access and DWORD alignment.
-		T02.value = cpu_to_le32(pltmp[0]) >> 8; // [31:8] -> [24:0]
-		InterruptInLength -= 1;// 20051221.1.c Modify the follow for more stable
-		InterruptInLength >>= 2; // InterruptInLength/4
-		for (i=1; i<=InterruptInLength; i++) {
-			T02.value |= ((cpu_to_le32(pltmp[i]) & 0xff) << 24);
-
-			TSTATUS.value = T02.value;  //20061009 anson's endian
-			Mds_SendComplete( Adapter, &TSTATUS );
-			T02.value = cpu_to_le32(pltmp[i]) >> 8;
-		}
-
-		return;
-	} while(FALSE);
+	// For Linux 2.4. Interrupt will always trigger
+	if (pHwData->SurpriseRemove || pHwData->HwStop) // Let WbWlanHalt to handle surprise remove
+		goto error;
+
+	if (pWb35Tx->tx_halt)
+		goto error;
+
+	//The Urb is completed, check the result
+	if (pWb35Tx->EP2VM_status != 0) {
+		WBDEBUG(("EP2 IoCompleteRoutine return error\n"));
+		pWb35Tx->EP2vm_state= VM_STOP;
+		goto error;
+	}
 
+	// Update the Tx result
+	InterruptInLength = pUrb->actual_length;
+	// Modify for minimum memory access and DWORD alignment.
+	T02.value = cpu_to_le32(pltmp[0]) >> 8; // [31:8] -> [24:0]
+	InterruptInLength -= 1;// 20051221.1.c Modify the follow for more stable
+	InterruptInLength >>= 2; // InterruptInLength/4
+	for (i = 1; i <= InterruptInLength; i++) {
+		T02.value |= ((cpu_to_le32(pltmp[i]) & 0xff) << 24);
+
+		TSTATUS.value = T02.value;  //20061009 anson's endian
+		Mds_SendComplete( Adapter, &TSTATUS );
+		T02.value = cpu_to_le32(pltmp[i]) >> 8;
+	}
+
+	return;
+error:
 	OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Tx->TxResultCount );
 	pWb35Tx->EP2vm_state = VM_STOP;
 }
diff --git a/drivers/staging/winbond/linux/wbusb.c b/drivers/staging/winbond/linux/wbusb.c
index ee9f4710316..e09b2720850 100644
--- a/drivers/staging/winbond/linux/wbusb.c
+++ b/drivers/staging/winbond/linux/wbusb.c
@@ -218,114 +218,111 @@ int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
 
 	printk("[w35und]wb35_probe ->\n");
 
-	do {
-		for (i=0; i<(sizeof(Id_Table)/sizeof(struct usb_device_id)); i++ ) {
-			if ((udev->descriptor.idVendor == Id_Table[i].idVendor) &&
-				(udev->descriptor.idProduct == Id_Table[i].idProduct)) {
-				printk("[w35und]Found supported hardware\n");
-				break;
-			}
-		}
-		if ((i == (sizeof(Id_Table)/sizeof(struct usb_device_id)))) {
-			#ifdef _PE_USB_INI_DUMP_
-			WBDEBUG(("[w35und] This is not the one we are interested about\n"));
-			#endif
-			return -ENODEV;
+	for (i=0; i<(sizeof(Id_Table)/sizeof(struct usb_device_id)); i++ ) {
+		if ((udev->descriptor.idVendor == Id_Table[i].idVendor) &&
+			(udev->descriptor.idProduct == Id_Table[i].idProduct)) {
+			printk("[w35und]Found supported hardware\n");
+			break;
 		}
+	}
 
-		// 20060630.2 Check the device if it already be opened
-		ret = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ),
-				      0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
-				      0x0, 0x400, &ltmp, 4, HZ*100 );
-		if( ret < 0 )
-			break;
+	if ((i == (sizeof(Id_Table)/sizeof(struct usb_device_id)))) {
+		#ifdef _PE_USB_INI_DUMP_
+		WBDEBUG(("[w35und] This is not the one we are interested about\n"));
+		#endif
+		return -ENODEV;
+	}
 
-		ltmp = cpu_to_le32(ltmp);
-		if (ltmp)  // Is already initialized?
-			break;
+	// 20060630.2 Check the device if it already be opened
+	ret = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ),
+			      0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
+			      0x0, 0x400, &ltmp, 4, HZ*100 );
+	if (ret < 0)
+		goto error;
 
+	ltmp = cpu_to_le32(ltmp);
+	if (ltmp)  // Is already initialized?
+		goto error;
 
-		Adapter = kzalloc(sizeof(ADAPTER), GFP_KERNEL);
+	Adapter = kzalloc(sizeof(ADAPTER), GFP_KERNEL);
 
-		my_adapter = Adapter;
-		pWbLinux = &Adapter->WbLinux;
-		pWbUsb = &Adapter->sHwData.WbUsb;
-		pWbUsb->udev = udev;
+	my_adapter = Adapter;
+	pWbLinux = &Adapter->WbLinux;
+	pWbUsb = &Adapter->sHwData.WbUsb;
+	pWbUsb->udev = udev;
 
-	        interface = intf->cur_altsetting;
-	        endpoint = &interface->endpoint[0].desc;
+        interface = intf->cur_altsetting;
+        endpoint = &interface->endpoint[0].desc;
 
-		if (endpoint[2].wMaxPacketSize == 512) {
-			printk("[w35und] Working on USB 2.0\n");
-			pWbUsb->IsUsb20 = 1;
-		}
+	if (endpoint[2].wMaxPacketSize == 512) {
+		printk("[w35und] Working on USB 2.0\n");
+		pWbUsb->IsUsb20 = 1;
+	}
 
-		if (!WbWLanInitialize(Adapter)) {
-			printk("[w35und]WbWLanInitialize fail\n");
-			break;
-		}
+	if (!WbWLanInitialize(Adapter)) {
+		printk("[w35und]WbWLanInitialize fail\n");
+		goto error;
+	}
 
-		{
-			struct wbsoft_priv *priv;
-			struct ieee80211_hw *dev;
-			int res;
+	{
+		struct wbsoft_priv *priv;
+		struct ieee80211_hw *dev;
+		int res;
 
-			dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
+		dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
 
-			if (!dev) {
-				printk("w35und: ieee80211 alloc failed\n" );
-				BUG();
-			}
+		if (!dev) {
+			printk("w35und: ieee80211 alloc failed\n" );
+			BUG();
+		}
 
-			my_dev = dev;
+		my_dev = dev;
 
-			SET_IEEE80211_DEV(dev, &udev->dev);
-			{
-				phw_data_t pHwData = &Adapter->sHwData;
-				unsigned char		dev_addr[MAX_ADDR_LEN];
-				hal_get_permanent_address(pHwData, dev_addr);
-				SET_IEEE80211_PERM_ADDR(dev, dev_addr);
-			}
+		SET_IEEE80211_DEV(dev, &udev->dev);
+		{
+			phw_data_t pHwData = &Adapter->sHwData;
+			unsigned char		dev_addr[MAX_ADDR_LEN];
+			hal_get_permanent_address(pHwData, dev_addr);
+			SET_IEEE80211_PERM_ADDR(dev, dev_addr);
+		}
 
 
-			dev->extra_tx_headroom = 12;	/* FIXME */
-			dev->flags = 0;
+		dev->extra_tx_headroom = 12;	/* FIXME */
+		dev->flags = 0;
 
-			dev->channel_change_time = 1000;
-//			dev->max_rssi = 100;
+		dev->channel_change_time = 1000;
+//		dev->max_rssi = 100;
 
-			dev->queues = 1;
+		dev->queues = 1;
 
-			static struct ieee80211_supported_band band;
+		static struct ieee80211_supported_band band;
 
-			band.channels = wbsoft_channels;
-			band.n_channels = ARRAY_SIZE(wbsoft_channels);
-			band.bitrates = wbsoft_rates;
-			band.n_bitrates = ARRAY_SIZE(wbsoft_rates);
+		band.channels = wbsoft_channels;
+		band.n_channels = ARRAY_SIZE(wbsoft_channels);
+		band.bitrates = wbsoft_rates;
+		band.n_bitrates = ARRAY_SIZE(wbsoft_rates);
 
-			dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band;
+		dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band;
 #if 0
-			wbsoft_modes[0].num_channels = 1;
-			wbsoft_modes[0].channels = wbsoft_channels;
-			wbsoft_modes[0].mode = MODE_IEEE80211B;
-			wbsoft_modes[0].num_rates = ARRAY_SIZE(wbsoft_rates);
-			wbsoft_modes[0].rates = wbsoft_rates;
-
-			res = ieee80211_register_hwmode(dev, &wbsoft_modes[0]);
-			BUG_ON(res);
+		wbsoft_modes[0].num_channels = 1;
+		wbsoft_modes[0].channels = wbsoft_channels;
+		wbsoft_modes[0].mode = MODE_IEEE80211B;
+		wbsoft_modes[0].num_rates = ARRAY_SIZE(wbsoft_rates);
+		wbsoft_modes[0].rates = wbsoft_rates;
+
+		res = ieee80211_register_hwmode(dev, &wbsoft_modes[0]);
+		BUG_ON(res);
 #endif
 
-			res = ieee80211_register_hw(dev);
-			BUG_ON(res);
-		}
-
-		usb_set_intfdata( intf, Adapter );
-
-		printk("[w35und] _probe OK\n");
-		return 0;
+		res = ieee80211_register_hw(dev);
+		BUG_ON(res);
+	}
 
-	} while(FALSE);
+	usb_set_intfdata( intf, Adapter );
 
+	printk("[w35und] _probe OK\n");
+	return 0;
+error:
 	return -ENOMEM;
 }
 
diff --git a/drivers/staging/winbond/wblinux.c b/drivers/staging/winbond/wblinux.c
index 186ad6029c7..4ed45e48831 100644
--- a/drivers/staging/winbond/wblinux.c
+++ b/drivers/staging/winbond/wblinux.c
@@ -147,114 +147,112 @@ WbWLanInitialize(PADAPTER Adapter)
 	u8		EEPROM_region;
 	u8		HwRadioOff;
 
-	do {
-		//
-		// Setting default value for Linux
-		//
-		Adapter->sLocalPara.region_INF = REGION_AUTO;
-		Adapter->sLocalPara.TxRateMode = RATE_AUTO;
-		psLOCAL->bMacOperationMode = MODE_802_11_BG;	// B/G mode
-		Adapter->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
-		Adapter->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
-		hal_set_phy_type( &Adapter->sHwData, RF_WB_242_1 );
-		Adapter->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
-		psLOCAL->bPreambleMode = AUTO_MODE;
-		Adapter->sLocalPara.RadioOffStatus.boSwRadioOff = FALSE;
-		pHwData = &Adapter->sHwData;
-		hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );
-
-		//
-		// Initial each module and variable
-		//
-		if (!WBLINUX_Initial(Adapter)) {
+	//
+	// Setting default value for Linux
+	//
+	Adapter->sLocalPara.region_INF = REGION_AUTO;
+	Adapter->sLocalPara.TxRateMode = RATE_AUTO;
+	psLOCAL->bMacOperationMode = MODE_802_11_BG;	// B/G mode
+	Adapter->Mds.TxRTSThreshold = DEFAULT_RTSThreshold;
+	Adapter->Mds.TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD;
+	hal_set_phy_type( &Adapter->sHwData, RF_WB_242_1 );
+	Adapter->sLocalPara.MTUsize = MAX_ETHERNET_PACKET_SIZE;
+	psLOCAL->bPreambleMode = AUTO_MODE;
+	Adapter->sLocalPara.RadioOffStatus.boSwRadioOff = FALSE;
+	pHwData = &Adapter->sHwData;
+	hal_set_phy_type( pHwData, RF_DECIDE_BY_INF );
+
+	//
+	// Initial each module and variable
+	//
+	if (!WBLINUX_Initial(Adapter)) {
 #ifdef _PE_USB_INI_DUMP_
-			WBDEBUG(("[w35und]WBNDIS initialization failed\n"));
+		WBDEBUG(("[w35und]WBNDIS initialization failed\n"));
 #endif
-			break;
-		}
+		goto error;
+	}
 
-		// Initial Software variable
-		Adapter->sLocalPara.ShutDowned = FALSE;
-
-		//added by ws for wep key error detection
-		Adapter->sLocalPara.bWepKeyError= FALSE;
-		Adapter->sLocalPara.bToSelfPacketReceived = FALSE;
-		Adapter->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
-
-		// Initial USB hal
-		InitStep = 1;
-		pHwData = &Adapter->sHwData;
-		if (!hal_init_hardware(pHwData, Adapter))
-			break;
-
-		EEPROM_region = hal_get_region_from_EEPROM( pHwData );
-		if (EEPROM_region != REGION_AUTO)
-			psLOCAL->region = EEPROM_region;
-		else {
-			if (psLOCAL->region_INF != REGION_AUTO)
-				psLOCAL->region = psLOCAL->region_INF;
-			else
-				psLOCAL->region = REGION_USA;	//default setting
-		}
+	// Initial Software variable
+	Adapter->sLocalPara.ShutDowned = FALSE;
+
+	//added by ws for wep key error detection
+	Adapter->sLocalPara.bWepKeyError= FALSE;
+	Adapter->sLocalPara.bToSelfPacketReceived = FALSE;
+	Adapter->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
+
+	// Initial USB hal
+	InitStep = 1;
+	pHwData = &Adapter->sHwData;
+	if (!hal_init_hardware(pHwData, Adapter))
+		goto error;
+
+	EEPROM_region = hal_get_region_from_EEPROM( pHwData );
+	if (EEPROM_region != REGION_AUTO)
+		psLOCAL->region = EEPROM_region;
+	else {
+		if (psLOCAL->region_INF != REGION_AUTO)
+			psLOCAL->region = psLOCAL->region_INF;
+		else
+			psLOCAL->region = REGION_USA;	//default setting
+	}
 
-		// Get Software setting flag from hal
-		Adapter->sLocalPara.boAntennaDiversity = FALSE;
-		if (hal_software_set(pHwData) & 0x00000001)
-			Adapter->sLocalPara.boAntennaDiversity = TRUE;
-
-		//
-		// For TS module
-		//
-		InitStep = 2;
-
-		// For MDS module
-		InitStep = 3;
-		Mds_initial(Adapter);
-
-		//=======================================
-		// Initialize the SME, SCAN, MLME, ROAM
-		//=======================================
-		InitStep = 4;
-		InitStep = 5;
-		InitStep = 6;
-
-		// If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
-		pMacAddr = Adapter->sLocalPara.ThisMacAddress;
-		pMacAddr2 = Adapter->sLocalPara.PermanentAddress;
-		hal_get_permanent_address( pHwData, Adapter->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
-		if (OS_MEMORY_COMPARE(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH )) // Is equal
-		{
-			memcpy( pMacAddr, pMacAddr2, MAC_ADDR_LENGTH );
-		} else {
-			// Set the user define MAC address
-			hal_set_ethernet_address( pHwData, Adapter->sLocalPara.ThisMacAddress );
-		}
+	// Get Software setting flag from hal
+	Adapter->sLocalPara.boAntennaDiversity = FALSE;
+	if (hal_software_set(pHwData) & 0x00000001)
+		Adapter->sLocalPara.boAntennaDiversity = TRUE;
+
+	//
+	// For TS module
+	//
+	InitStep = 2;
+
+	// For MDS module
+	InitStep = 3;
+	Mds_initial(Adapter);
+
+	//=======================================
+	// Initialize the SME, SCAN, MLME, ROAM
+	//=======================================
+	InitStep = 4;
+	InitStep = 5;
+	InitStep = 6;
+
+	// If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
+	pMacAddr = Adapter->sLocalPara.ThisMacAddress;
+	pMacAddr2 = Adapter->sLocalPara.PermanentAddress;
+	hal_get_permanent_address( pHwData, Adapter->sLocalPara.PermanentAddress );// Reading ethernet address from EEPROM
+	if (OS_MEMORY_COMPARE(pMacAddr, "\x00\x00\x00\x00\x00\x00", MAC_ADDR_LENGTH )) // Is equal
+	{
+		memcpy( pMacAddr, pMacAddr2, MAC_ADDR_LENGTH );
+	} else {
+		// Set the user define MAC address
+		hal_set_ethernet_address( pHwData, Adapter->sLocalPara.ThisMacAddress );
+	}
 
-		//get current antenna
-		psLOCAL->bAntennaNo = hal_get_antenna_number(pHwData);
+	//get current antenna
+	psLOCAL->bAntennaNo = hal_get_antenna_number(pHwData);
 #ifdef _PE_STATE_DUMP_
-		WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo));
+	WBDEBUG(("Driver init, antenna no = %d\n", psLOCAL->bAntennaNo));
 #endif
-		hal_get_hw_radio_off( pHwData );
+	hal_get_hw_radio_off( pHwData );
 
-		// Waiting for HAL setting OK
-		while (!hal_idle(pHwData))
-			OS_SLEEP(10000);
+	// Waiting for HAL setting OK
+	while (!hal_idle(pHwData))
+		OS_SLEEP(10000);
 
-		MTO_Init(Adapter);
+	MTO_Init(Adapter);
 
-		HwRadioOff = hal_get_hw_radio_off( pHwData );
-		psLOCAL->RadioOffStatus.boHwRadioOff = !!HwRadioOff;
+	HwRadioOff = hal_get_hw_radio_off( pHwData );
+	psLOCAL->RadioOffStatus.boHwRadioOff = !!HwRadioOff;
 
-		hal_set_radio_mode( pHwData, (unsigned char)(psLOCAL->RadioOffStatus.boSwRadioOff || psLOCAL->RadioOffStatus.boHwRadioOff) );
+	hal_set_radio_mode( pHwData, (unsigned char)(psLOCAL->RadioOffStatus.boSwRadioOff || psLOCAL->RadioOffStatus.boHwRadioOff) );
 
-		hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
-		//set a tx power for reference.....
-//		sme_set_tx_power_level(Adapter, 12);	FIXME?
-		return TRUE;
-	}
-	while(FALSE);
+	hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
+	//set a tx power for reference.....
+//	sme_set_tx_power_level(Adapter, 12);	FIXME?
+	return TRUE;
 
+error:
 	switch (InitStep) {
 	case 5:
 	case 4:
-- 
GitLab


From dd38da4617471cd8a46243318e2a14922240c711 Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cs.helsinki.fi>
Date: Tue, 21 Oct 2008 13:01:42 +0300
Subject: [PATCH 1869/2224] Staging: w35und: module init cleanup

This patch cleans up the module init functions a bit and removes the redundant
device ID check from wb35_probe() function.

Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/linux/wbusb.c | 87 ++++++++++-----------------
 1 file changed, 31 insertions(+), 56 deletions(-)

diff --git a/drivers/staging/winbond/linux/wbusb.c b/drivers/staging/winbond/linux/wbusb.c
index e09b2720850..fb216de1c6b 100644
--- a/drivers/staging/winbond/linux/wbusb.c
+++ b/drivers/staging/winbond/linux/wbusb.c
@@ -6,36 +6,23 @@
 #include "sysdef.h"
 #include <net/mac80211.h>
 
-
-MODULE_AUTHOR( DRIVER_AUTHOR );
-MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 MODULE_VERSION("0.1");
 
-
-//============================================================
-// vendor ID and product ID can into here for others
-//============================================================
-static struct usb_device_id Id_Table[] =
-{
-  {USB_DEVICE( 0x0416, 0x0035 )},
-  {USB_DEVICE( 0x18E8, 0x6201 )},
-  {USB_DEVICE( 0x18E8, 0x6206 )},
-  {USB_DEVICE( 0x18E8, 0x6217 )},
-  {USB_DEVICE( 0x18E8, 0x6230 )},
-  {USB_DEVICE( 0x18E8, 0x6233 )},
-  {USB_DEVICE( 0x1131, 0x2035 )},
-  {  }
+static struct usb_device_id wb35_table[] __devinitdata = {
+	{USB_DEVICE(0x0416, 0x0035)},
+	{USB_DEVICE(0x18E8, 0x6201)},
+	{USB_DEVICE(0x18E8, 0x6206)},
+	{USB_DEVICE(0x18E8, 0x6217)},
+	{USB_DEVICE(0x18E8, 0x6230)},
+	{USB_DEVICE(0x18E8, 0x6233)},
+	{USB_DEVICE(0x1131, 0x2035)},
+	{}
 };
 
-MODULE_DEVICE_TABLE(usb, Id_Table);
-
-static struct usb_driver wb35_driver = {
-	.name =		"w35und",
-	.probe =	wb35_probe,
-	.disconnect = wb35_disconnect,
-	.id_table = Id_Table,
-};
+MODULE_DEVICE_TABLE(usb, wb35_table);
 
 static const struct ieee80211_rate wbsoft_rates[] = {
 	{ .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
@@ -187,21 +174,6 @@ struct wbsoft_priv {
 };
 
 
-int __init wb35_init(void)
-{
-	printk("[w35und]driver init\n");
-	return usb_register(&wb35_driver);
-}
-
-void __exit wb35_exit(void)
-{
-	printk("[w35und]driver exit\n");
-	usb_deregister( &wb35_driver );
-}
-
-module_init(wb35_init);
-module_exit(wb35_exit);
-
 // Usb kernel subsystem will call this function when a new device is plugged into.
 int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
 {
@@ -210,7 +182,7 @@ int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
 	PWBUSB		pWbUsb;
         struct usb_host_interface *interface;
 	struct usb_endpoint_descriptor *endpoint;
-	int	i, ret = -1;
+	int	ret = -1;
 	u32	ltmp;
 	struct usb_device *udev = interface_to_usbdev(intf);
 
@@ -218,21 +190,6 @@ int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
 
 	printk("[w35und]wb35_probe ->\n");
 
-	for (i=0; i<(sizeof(Id_Table)/sizeof(struct usb_device_id)); i++ ) {
-		if ((udev->descriptor.idVendor == Id_Table[i].idVendor) &&
-			(udev->descriptor.idProduct == Id_Table[i].idProduct)) {
-			printk("[w35und]Found supported hardware\n");
-			break;
-		}
-	}
-
-	if ((i == (sizeof(Id_Table)/sizeof(struct usb_device_id)))) {
-		#ifdef _PE_USB_INI_DUMP_
-		WBDEBUG(("[w35und] This is not the one we are interested about\n"));
-		#endif
-		return -ENODEV;
-	}
-
 	// 20060630.2 Check the device if it already be opened
 	ret = usb_control_msg(udev, usb_rcvctrlpipe( udev, 0 ),
 			      0x01, USB_TYPE_VENDOR|USB_RECIP_DEVICE|USB_DIR_IN,
@@ -398,4 +355,22 @@ void wb35_disconnect(struct usb_interface *intf)
 
 }
 
+static struct usb_driver wb35_driver = {
+	.name		= "w35und",
+	.id_table	= wb35_table,
+	.probe		= wb35_probe,
+	.disconnect	= wb35_disconnect,
+};
+
+static int __init wb35_init(void)
+{
+	return usb_register(&wb35_driver);
+}
+
+static void __exit wb35_exit(void)
+{
+	usb_deregister(&wb35_driver);
+}
 
+module_init(wb35_init);
+module_exit(wb35_exit);
-- 
GitLab


From 68ab0c960f23ed438c0a1556b4d39e6e094e9277 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 21 Oct 2008 10:41:45 -0700
Subject: [PATCH 1870/2224] Staging: wbusb: fix a bunch of compiler warnings

First cut at removing some obvious compiler warnings.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/winbond/linux/wbusb.c | 35 ++++++++++++++++++---------
 drivers/staging/winbond/mds.c         |  2 +-
 drivers/staging/winbond/sme_api.c     |  1 +
 3 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/winbond/linux/wbusb.c b/drivers/staging/winbond/linux/wbusb.c
index fb216de1c6b..f4a7875f238 100644
--- a/drivers/staging/winbond/linux/wbusb.c
+++ b/drivers/staging/winbond/linux/wbusb.c
@@ -19,16 +19,16 @@ static struct usb_device_id wb35_table[] __devinitdata = {
 	{USB_DEVICE(0x18E8, 0x6230)},
 	{USB_DEVICE(0x18E8, 0x6233)},
 	{USB_DEVICE(0x1131, 0x2035)},
-	{}
+	{ 0, }
 };
 
 MODULE_DEVICE_TABLE(usb, wb35_table);
 
-static const struct ieee80211_rate wbsoft_rates[] = {
+static struct ieee80211_rate wbsoft_rates[] = {
 	{ .bitrate = 10, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 };
 
-static const struct ieee80211_channel wbsoft_channels[] = {
+static struct ieee80211_channel wbsoft_channels[] = {
 	{ .center_freq = 2412},
 };
 
@@ -49,9 +49,22 @@ static void wbsoft_remove_interface(struct ieee80211_hw *dev,
 	printk("wbsoft_remove interface called\n");
 }
 
-static int wbsoft_nop(void)
+static void wbsoft_stop(struct ieee80211_hw *hw)
 {
-	printk("wbsoft_nop called\n");
+	printk(KERN_INFO "%s called\n", __func__);
+}
+
+static int wbsoft_get_stats(struct ieee80211_hw *hw,
+			    struct ieee80211_low_level_stats *stats)
+{
+	printk(KERN_INFO "%s called\n", __func__);
+	return 0;
+}
+
+static int wbsoft_get_tx_stats(struct ieee80211_hw *hw,
+			       struct ieee80211_tx_queue_stats *stats)
+{
+	printk(KERN_INFO "%s called\n", __func__);
 	return 0;
 }
 
@@ -92,8 +105,7 @@ static void wbsoft_configure_filter(struct ieee80211_hw *dev,
 	*total_flags = new_flags;
 }
 
-static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
-		      struct ieee80211_tx_control *control)
+static int wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 {
 	char *buffer = kmalloc(skb->len, GFP_ATOMIC);
 	printk("Sending frame %d bytes\n", skb->len);
@@ -158,14 +170,14 @@ static u64 wbsoft_get_tsf(struct ieee80211_hw *dev)
 static const struct ieee80211_ops wbsoft_ops = {
 	.tx			= wbsoft_tx,
 	.start			= wbsoft_start,		/* Start can be pretty much empty as we do WbWLanInitialize() during probe? */
-	.stop			= wbsoft_nop,
+	.stop			= wbsoft_stop,
 	.add_interface		= wbsoft_add_interface,
 	.remove_interface	= wbsoft_remove_interface,
 	.config			= wbsoft_config,
 	.config_interface	= wbsoft_config_interface,
 	.configure_filter	= wbsoft_configure_filter,
-	.get_stats		= wbsoft_nop,
-	.get_tx_stats		= wbsoft_nop,
+	.get_stats		= wbsoft_get_stats,
+	.get_tx_stats		= wbsoft_get_tx_stats,
 	.get_tsf		= wbsoft_get_tsf,
 // conf_tx: hal_set_cwmin()/hal_set_cwmax;
 };
@@ -224,6 +236,7 @@ int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
 	{
 		struct wbsoft_priv *priv;
 		struct ieee80211_hw *dev;
+		static struct ieee80211_supported_band band;
 		int res;
 
 		dev = ieee80211_alloc_hw(sizeof(*priv), &wbsoft_ops);
@@ -252,8 +265,6 @@ int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
 
 		dev->queues = 1;
 
-		static struct ieee80211_supported_band band;
-
 		band.channels = wbsoft_channels;
 		band.n_channels = ARRAY_SIZE(wbsoft_channels);
 		band.bitrates = wbsoft_rates;
diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c
index 400397c79b7..f1de813f9c7 100644
--- a/drivers/staging/winbond/mds.c
+++ b/drivers/staging/winbond/mds.c
@@ -437,7 +437,7 @@ Mds_DurationSet(  PADAPTER Adapter,  PDESCRIPTOR pDes,  u8 *buffer )
 	u8	Rate, i;
 	unsigned char	CTS_on = FALSE, RTS_on = FALSE;
 	PT00_DESCRIPTOR pNextT00;
-	u16 BodyLen;
+	u16 BodyLen = 0;
 	unsigned char boGroupAddr = FALSE;
 
 
diff --git a/drivers/staging/winbond/sme_api.c b/drivers/staging/winbond/sme_api.c
index 40e93b7600e..31c9673ea86 100644
--- a/drivers/staging/winbond/sme_api.c
+++ b/drivers/staging/winbond/sme_api.c
@@ -10,4 +10,5 @@
 s8 sme_get_rssi(void *pcore_data, s32 *prssi)
 {
        BUG();
+       return 0;
 }
-- 
GitLab


From c0429bd7dfb001e1549855d43819c595a1e6149e Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 21 Oct 2008 15:44:25 -0500
Subject: [PATCH 1871/2224] Staging: me4000: remove some compiler warnings

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/me4000/me4000.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/me4000/me4000.c b/drivers/staging/me4000/me4000.c
index 75c268c3730..0b33773bb4f 100644
--- a/drivers/staging/me4000/me4000.c
+++ b/drivers/staging/me4000/me4000.c
@@ -6017,14 +6017,14 @@ static int me4000_read_procmem(char *buf, char **start, off_t offset, int count,
 		    sprintf(buf + len, "PLX base register = 0x%lX\n",
 			    board_info->plx_regbase);
 		len +=
-		    sprintf(buf + len, "PLX base register size = 0x%lX\n",
-			    board_info->plx_regbase_size);
+		    sprintf(buf + len, "PLX base register size = 0x%X\n",
+			    (unsigned int)board_info->plx_regbase_size);
 		len +=
-		    sprintf(buf + len, "ME4000 base register = 0x%lX\n",
-			    board_info->me4000_regbase);
+		    sprintf(buf + len, "ME4000 base register = 0x%X\n",
+			    (unsigned int)board_info->me4000_regbase);
 		len +=
-		    sprintf(buf + len, "ME4000 base register size = 0x%lX\n",
-			    board_info->me4000_regbase_size);
+		    sprintf(buf + len, "ME4000 base register size = 0x%X\n",
+			    (unsigned int)board_info->me4000_regbase_size);
 		len +=
 		    sprintf(buf + len, "Serial number = 0x%X\n",
 			    board_info->serial_no);
-- 
GitLab


From 51b90540dd03f605122937a999e6d0430238c266 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Tue, 9 Apr 2002 12:14:34 -0700
Subject: [PATCH 1872/2224] Staging: usbip: fix build warning on 64bit kernels

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/usbip/vhci_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c
index 933ccaf50af..58e3995d0e2 100644
--- a/drivers/staging/usbip/vhci_rx.c
+++ b/drivers/staging/usbip/vhci_rx.c
@@ -202,7 +202,7 @@ static void vhci_rx_pdu(struct usbip_device *ud)
 	ret = usbip_xmit(0, ud->tcp_socket, (char *) &pdu, sizeof(pdu), 0);
 	if (ret != sizeof(pdu)) {
 		uerr("receiving pdu failed! size is %d, should be %d\n",
-				ret, sizeof(pdu));
+				ret, (unsigned int)sizeof(pdu));
 		usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
 		return;
 	}
-- 
GitLab


From 78c73414f4f6744e2ea5a07b263a9698aa6f2416 Mon Sep 17 00:00:00 2001
From: Dmitry Baryshkov <dbaryshkov@gmail.com>
Date: Wed, 8 Oct 2008 16:14:23 +0400
Subject: [PATCH 1873/2224] USB: ohci: add support for tmio-ohci cell

Some Toshiba Mobile I/O chips have OHCI controller built in.
E.g. the tc6393xb chip found in several Toshiba e-Series PDAs
and in Sharp Zaurus SL-6000 PDA. This adds platform glue
to support OHCI function of the chip.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Ian Molton <spyro@f2s.com>
Cc: Ian Molton <spyro@f2s.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/Kconfig          |   3 +-
 drivers/usb/host/Kconfig     |   1 -
 drivers/usb/host/ohci-hcd.c  |  21 ++
 drivers/usb/host/ohci-tmio.c | 376 +++++++++++++++++++++++++++++++++++
 4 files changed, 399 insertions(+), 2 deletions(-)
 create mode 100644 drivers/usb/host/ohci-tmio.c

diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index bcefbddeba5..3be4730ebd2 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -36,7 +36,8 @@ config USB_ARCH_HAS_OHCI
 	default y if PXA3xx
 	default y if ARCH_EP93XX
 	default y if ARCH_AT91
-	default y if ARCH_PNX4008
+	default y if ARCH_PNX4008 && I2C
+	default y if MFD_TC6393XB
 	# PPC:
 	default y if STB03xxx
 	default y if PPC_MPC52xx
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 228797e54f9..ba1c77141b4 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -138,7 +138,6 @@ config USB_OHCI_HCD
 	tristate "OHCI HCD support"
 	depends on USB && USB_ARCH_HAS_OHCI
 	select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3
-	select I2C if ARCH_PNX4008
 	---help---
 	  The Open Host Controller Interface (OHCI) is a standard for accessing
 	  USB 1.1 host controller hardware.  It does more in hardware than Intel's
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 8647dab0d7f..8aa3f4556a3 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1075,12 +1075,18 @@ MODULE_LICENSE ("GPL");
 #define SM501_OHCI_DRIVER	ohci_hcd_sm501_driver
 #endif
 
+#ifdef CONFIG_MFD_TC6393XB
+#include "ohci-tmio.c"
+#define TMIO_OHCI_DRIVER	ohci_hcd_tmio_driver
+#endif
+
 #if	!defined(PCI_DRIVER) &&		\
 	!defined(PLATFORM_DRIVER) &&	\
 	!defined(OF_PLATFORM_DRIVER) &&	\
 	!defined(SA1111_DRIVER) &&	\
 	!defined(PS3_SYSTEM_BUS_DRIVER) && \
 	!defined(SM501_OHCI_DRIVER) && \
+	!defined(TMIO_OHCI_DRIVER) && \
 	!defined(SSB_OHCI_DRIVER)
 #error "missing bus glue for ohci-hcd"
 #endif
@@ -1147,13 +1153,25 @@ static int __init ohci_hcd_mod_init(void)
 		goto error_sm501;
 #endif
 
+#ifdef TMIO_OHCI_DRIVER
+	retval = platform_driver_register(&TMIO_OHCI_DRIVER);
+	if (retval < 0)
+		goto error_tmio;
+#endif
+
 	return retval;
 
 	/* Error path */
+#ifdef TMIO_OHCI_DRIVER
+	platform_driver_unregister(&TMIO_OHCI_DRIVER);
+ error_tmio:
+#endif
 #ifdef SM501_OHCI_DRIVER
+	platform_driver_unregister(&SM501_OHCI_DRIVER);
  error_sm501:
 #endif
 #ifdef SSB_OHCI_DRIVER
+	ssb_driver_unregister(&SSB_OHCI_DRIVER);
  error_ssb:
 #endif
 #ifdef PCI_DRIVER
@@ -1189,6 +1207,9 @@ module_init(ohci_hcd_mod_init);
 
 static void __exit ohci_hcd_mod_exit(void)
 {
+#ifdef TMIO_OHCI_DRIVER
+	platform_driver_unregister(&TMIO_OHCI_DRIVER);
+#endif
 #ifdef SM501_OHCI_DRIVER
 	platform_driver_unregister(&SM501_OHCI_DRIVER);
 #endif
diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c
new file mode 100644
index 00000000000..f9f134af0bd
--- /dev/null
+++ b/drivers/usb/host/ohci-tmio.c
@@ -0,0 +1,376 @@
+/*
+ * OHCI HCD(Host Controller Driver) for USB.
+ *
+ *(C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
+ *(C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
+ *(C) Copyright 2002 Hewlett-Packard Company
+ *
+ * Bus glue for Toshiba Mobile IO(TMIO) Controller's OHCI core
+ * (C) Copyright 2005 Chris Humbert <mahadri-usb@drigon.com>
+ * (C) Copyright 2007, 2008 Dmitry Baryshkov <dbaryshkov@gmail.com>
+ *
+ * This is known to work with the following variants:
+ *	TC6393XB revision 3	(32kB SRAM)
+ *
+ * The TMIO's OHCI core DMAs through a small internal buffer that
+ * is directly addressable by the CPU.
+ *
+ * Written from sparse documentation from Toshiba and Sharp's driver
+ * for the 2.4 kernel,
+ *	usb-ohci-tc6393.c(C) Copyright 2004 Lineo Solutions, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*#include <linux/fs.h>
+#include <linux/mount.h>
+#include <linux/pagemap.h>
+#include <linux/init.h>
+#include <linux/namei.h>
+#include <linux/sched.h>*/
+#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tmio.h>
+#include <linux/dma-mapping.h>
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * USB Host Controller Configuration Register
+ */
+#define CCR_REVID	0x08	/* b Revision ID				*/
+#define CCR_BASE	0x10	/* l USB Control Register Base Address Low	*/
+#define CCR_ILME	0x40	/* b Internal Local Memory Enable		*/
+#define CCR_PM		0x4c	/* w Power Management			*/
+#define CCR_INTC	0x50	/* b INT Control				*/
+#define CCR_LMW1L	0x54	/* w Local Memory Window 1 LMADRS Low	*/
+#define CCR_LMW1H	0x56	/* w Local Memory Window 1 LMADRS High	*/
+#define CCR_LMW1BL	0x58	/* w Local Memory Window 1 Base Address Low	*/
+#define CCR_LMW1BH	0x5A	/* w Local Memory Window 1 Base Address High	*/
+#define CCR_LMW2L	0x5C	/* w Local Memory Window 2 LMADRS Low	*/
+#define CCR_LMW2H	0x5E	/* w Local Memory Window 2 LMADRS High	*/
+#define CCR_LMW2BL	0x60	/* w Local Memory Window 2 Base Address Low	*/
+#define CCR_LMW2BH	0x62	/* w Local Memory Window 2 Base Address High	*/
+#define CCR_MISC	0xFC	/* b MISC					*/
+
+#define CCR_PM_GKEN      0x0001
+#define CCR_PM_CKRNEN    0x0002
+#define CCR_PM_USBPW1    0x0004
+#define CCR_PM_USBPW2    0x0008
+#define CCR_PM_USBPW3    0x0008
+#define CCR_PM_PMEE      0x0100
+#define CCR_PM_PMES      0x8000
+
+/*-------------------------------------------------------------------------*/
+
+struct tmio_hcd {
+	void __iomem		*ccr;
+	spinlock_t		lock; /* protects RMW cycles */
+};
+
+#define hcd_to_tmio(hcd)	((struct tmio_hcd *)(hcd_to_ohci(hcd) + 1))
+
+/*-------------------------------------------------------------------------*/
+
+static void tmio_write_pm(struct platform_device *dev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(dev);
+	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
+	u16 pm;
+	unsigned long flags;
+
+	spin_lock_irqsave(&tmio->lock, flags);
+
+	pm = CCR_PM_GKEN | CCR_PM_CKRNEN |
+	     CCR_PM_PMEE | CCR_PM_PMES;
+
+	tmio_iowrite16(pm, tmio->ccr + CCR_PM);
+	spin_unlock_irqrestore(&tmio->lock, flags);
+}
+
+static void tmio_stop_hc(struct platform_device *dev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(dev);
+	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
+	u16 pm;
+
+	pm = CCR_PM_GKEN | CCR_PM_CKRNEN;
+	switch (ohci->num_ports) {
+		default:
+			dev_err(&dev->dev, "Unsupported amount of ports: %d\n", ohci->num_ports);
+		case 3:
+			pm |= CCR_PM_USBPW3;
+		case 2:
+			pm |= CCR_PM_USBPW2;
+		case 1:
+			pm |= CCR_PM_USBPW1;
+	}
+	tmio_iowrite8(0, tmio->ccr + CCR_INTC);
+	tmio_iowrite8(0, tmio->ccr + CCR_ILME);
+	tmio_iowrite16(0, tmio->ccr + CCR_BASE);
+	tmio_iowrite16(0, tmio->ccr + CCR_BASE + 2);
+	tmio_iowrite16(pm, tmio->ccr + CCR_PM);
+}
+
+static void tmio_start_hc(struct platform_device *dev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(dev);
+	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
+	unsigned long base = hcd->rsrc_start;
+
+	tmio_write_pm(dev);
+	tmio_iowrite16(base, tmio->ccr + CCR_BASE);
+	tmio_iowrite16(base >> 16, tmio->ccr + CCR_BASE + 2);
+	tmio_iowrite8(1, tmio->ccr + CCR_ILME);
+	tmio_iowrite8(2, tmio->ccr + CCR_INTC);
+
+	dev_info(&dev->dev, "revision %d @ 0x%08llx, irq %d\n",
+			tmio_ioread8(tmio->ccr + CCR_REVID), hcd->rsrc_start, hcd->irq);
+}
+
+static int ohci_tmio_start(struct usb_hcd *hcd)
+{
+	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	int ret;
+
+	if ((ret = ohci_init(ohci)) < 0)
+		return ret;
+
+	if ((ret = ohci_run(ohci)) < 0) {
+		err("can't start %s", hcd->self.bus_name);
+		ohci_stop(hcd);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct hc_driver ohci_tmio_hc_driver = {
+	.description =		hcd_name,
+	.product_desc =		"TMIO OHCI USB Host Controller",
+	.hcd_priv_size =	sizeof(struct ohci_hcd) + sizeof (struct tmio_hcd),
+
+	/* generic hardware linkage */
+	.irq =			ohci_irq,
+	.flags =		HCD_USB11 | HCD_MEMORY | HCD_LOCAL_MEM,
+
+	/* basic lifecycle operations */
+	.start =		ohci_tmio_start,
+	.stop =			ohci_stop,
+	.shutdown =		ohci_shutdown,
+
+	/* managing i/o requests and associated device resources */
+	.urb_enqueue =		ohci_urb_enqueue,
+	.urb_dequeue =		ohci_urb_dequeue,
+	.endpoint_disable =	ohci_endpoint_disable,
+
+	/* scheduling support */
+	.get_frame_number =	ohci_get_frame,
+
+	/* root hub support */
+	.hub_status_data =	ohci_hub_status_data,
+	.hub_control =		ohci_hub_control,
+#ifdef	CONFIG_PM
+	.bus_suspend =		ohci_bus_suspend,
+	.bus_resume =		ohci_bus_resume,
+#endif
+	.start_port_reset =	ohci_start_port_reset,
+};
+
+/*-------------------------------------------------------------------------*/
+static struct platform_driver ohci_hcd_tmio_driver;
+
+static int __devinit ohci_hcd_tmio_drv_probe(struct platform_device *dev)
+{
+	struct mfd_cell *cell = dev->dev.platform_data;
+	struct resource *regs = platform_get_resource(dev, IORESOURCE_MEM, 0);
+	struct resource *config = platform_get_resource(dev, IORESOURCE_MEM, 1);
+	struct resource *sram = platform_get_resource(dev, IORESOURCE_MEM, 2);
+	int irq = platform_get_irq(dev, 0);
+	struct tmio_hcd *tmio;
+	struct ohci_hcd *ohci;
+	struct usb_hcd *hcd;
+	int ret;
+
+	if (usb_disabled())
+		return -ENODEV;
+
+	if (!cell)
+		return -EINVAL;
+
+	hcd = usb_create_hcd(&ohci_tmio_hc_driver, &dev->dev, dev->dev.bus_id);
+	if (!hcd) {
+		ret = -ENOMEM;
+		goto err_usb_create_hcd;
+	}
+
+	hcd->rsrc_start = regs->start;
+	hcd->rsrc_len = regs->end - regs->start + 1;
+
+	tmio = hcd_to_tmio(hcd);
+
+	spin_lock_init(&tmio->lock);
+
+	tmio->ccr = ioremap(config->start, config->end - config->start + 1);
+	if (!tmio->ccr) {
+		ret = -ENOMEM;
+		goto err_ioremap_ccr;
+	}
+
+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+	if (!hcd->regs) {
+		ret = -ENOMEM;
+		goto err_ioremap_regs;
+	}
+
+	if (!dma_declare_coherent_memory(&dev->dev, sram->start,
+				sram->start,
+				sram->end - sram->start + 1,
+				DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE)) {
+		ret = -EBUSY;
+		goto err_dma_declare;
+	}
+
+	if (cell->enable) {
+		ret = cell->enable(dev);
+		if (ret)
+			goto err_enable;
+	}
+
+	tmio_start_hc(dev);
+	ohci = hcd_to_ohci(hcd);
+	ohci_hcd_init(ohci);
+
+	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	if (ret)
+		goto err_add_hcd;
+
+	if (ret == 0)
+		return ret;
+
+	usb_remove_hcd(hcd);
+
+err_add_hcd:
+	tmio_stop_hc(dev);
+	if (cell->disable)
+		cell->disable(dev);
+err_enable:
+	dma_release_declared_memory(&dev->dev);
+err_dma_declare:
+	iounmap(hcd->regs);
+err_ioremap_regs:
+	iounmap(tmio->ccr);
+err_ioremap_ccr:
+	usb_put_hcd(hcd);
+err_usb_create_hcd:
+
+	return ret;
+}
+
+static int __devexit ohci_hcd_tmio_drv_remove(struct platform_device *dev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(dev);
+	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
+	struct mfd_cell *cell = dev->dev.platform_data;
+
+	usb_remove_hcd(hcd);
+	tmio_stop_hc(dev);
+	if (cell->disable)
+		cell->disable(dev);
+	dma_release_declared_memory(&dev->dev);
+	iounmap(hcd->regs);
+	iounmap(tmio->ccr);
+	usb_put_hcd(hcd);
+
+	platform_set_drvdata(dev, NULL);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct mfd_cell *cell = dev->dev.platform_data;
+	struct usb_hcd *hcd = platform_get_drvdata(dev);
+	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
+	unsigned long flags;
+	u8 misc;
+	int ret;
+
+	if (time_before(jiffies, ohci->next_statechange))
+		msleep(5);
+	ohci->next_statechange = jiffies;
+
+	spin_lock_irqsave(&tmio->lock, flags);
+
+	misc = tmio_ioread8(tmio->ccr + CCR_MISC);
+	misc |= 1 << 3; /* USSUSP */
+	tmio_iowrite8(misc, tmio->ccr + CCR_MISC);
+
+	spin_unlock_irqrestore(&tmio->lock, flags);
+
+	if (cell->suspend) {
+		ret = cell->suspend(dev);
+		if (ret)
+			return ret;
+	}
+
+	hcd->state = HC_STATE_SUSPENDED;
+
+	return 0;
+}
+
+static int ohci_hcd_tmio_drv_resume(struct platform_device *dev)
+{
+	struct mfd_cell *cell = dev->dev.platform_data;
+	struct usb_hcd *hcd = platform_get_drvdata(dev);
+	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
+	unsigned long flags;
+	u8 misc;
+	int ret;
+
+	if (time_before(jiffies, ohci->next_statechange))
+		msleep(5);
+	ohci->next_statechange = jiffies;
+
+	if (cell->resume) {
+		ret = cell->resume(dev);
+		if (ret)
+			return ret;
+	}
+
+	tmio_start_hc(dev);
+
+	spin_lock_irqsave(&tmio->lock, flags);
+
+	misc = tmio_ioread8(tmio->ccr + CCR_MISC);
+	misc &= ~(1 << 3); /* USSUSP */
+	tmio_iowrite8(misc, tmio->ccr + CCR_MISC);
+
+	spin_unlock_irqrestore(&tmio->lock, flags);
+
+	ohci_finish_controller_resume(hcd);
+
+	return 0;
+}
+#else
+#define ohci_hcd_tmio_drv_suspend NULL
+#define ohci_hcd_tmio_drv_resume NULL
+#endif
+
+static struct platform_driver ohci_hcd_tmio_driver = {
+	.probe		= ohci_hcd_tmio_drv_probe,
+	.remove		= __devexit_p(ohci_hcd_tmio_drv_remove),
+	.shutdown	= usb_hcd_platform_shutdown,
+	.suspend	= ohci_hcd_tmio_drv_suspend,
+	.resume		= ohci_hcd_tmio_drv_resume,
+	.driver		= {
+		.name	= "tmio-ohci",
+		.owner	= THIS_MODULE,
+	},
+};
-- 
GitLab


From d66937d71a67724870e03fa35af686e7efe85caf Mon Sep 17 00:00:00 2001
From: Zhaolei <zhaolei@cn.fujitsu.com>
Date: Mon, 20 Oct 2008 18:53:04 +0800
Subject: [PATCH 1874/2224] USB: Fix debugfs_create_file's error checking
 method for usb/gadget/s3c2410_udc

debugfs_create_file() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/s3c2410_udc.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index 48f51b12d2e..00ba06b4475 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1894,11 +1894,8 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
 		udc->regs_info = debugfs_create_file("registers", S_IRUGO,
 				s3c2410_udc_debugfs_root,
 				udc, &s3c2410_udc_debugfs_fops);
-		if (IS_ERR(udc->regs_info)) {
-			dev_warn(dev, "debugfs file creation failed %ld\n",
-				 PTR_ERR(udc->regs_info));
-			udc->regs_info = NULL;
-		}
+		if (!udc->regs_info)
+			dev_warn(dev, "debugfs file creation failed\n");
 	}
 
 	dev_dbg(dev, "probe ok\n");
-- 
GitLab


From 3030ca4cf4abbdd2dd850a14d20e9fca5937ffb5 Mon Sep 17 00:00:00 2001
From: Phil Dibowitz <phil@ipom.com>
Date: Sun, 19 Oct 2008 08:17:54 +0200
Subject: [PATCH 1875/2224] USB: storage: Avoid I/O errors when issuing SCSI
 ioctls to JMicron USB/ATA bridge

Here's the patch that implements the fix you suggested to avoid the
I/O errors that I was running into with my new USB enclosure with a
JMicron USB/ATA bridge, while issuing scsi-io USN or other such
queries used by Fedora's mkinitrd.
http://bugzilla.kernel.org/show_bug.cgi?id=9638#c85


/proc/bus/usb/devices:
T:  Bus=01 Lev=01 Prnt=01 Port=07 Cnt=04 Dev#=  5 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=152d ProdID=2329 Rev= 1.00
S:  Manufacturer=JMicron
S:  Product=USB to ATA/ATAPI Bridge
S:  SerialNumber=DE5088854FFF
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  2mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

(patch applied and retested on a modified 2.6.27.2-libre.24.rc1.fc10)

Signed-off-by: Phil Dibowitz <phil@ipom.com>
Cc: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/storage/unusual_devs.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index cd155475cb6..061df9b4613 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1745,6 +1745,15 @@ UNUSUAL_DEV(  0x14cd, 0x6600, 0x0201, 0x0201,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE ),
 
+/* Reported by Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+ * JMicron responds to USN and several other SCSI ioctls with a
+ * residue that causes subsequent I/O requests to fail.  */
+UNUSUAL_DEV(  0x152d, 0x2329, 0x0100, 0x0100,
+	        "JMicron",
+	        "USB to ATA/ATAPI Bridge",
+	        US_SC_DEVICE, US_PR_DEVICE, NULL,
+	        US_FL_IGNORE_RESIDUE ),
+
 /* Reported by Robert Schedel <r.schedel@yahoo.de>
  * Note: this is a 'super top' device like the above 14cd/6600 device */
 UNUSUAL_DEV(  0x1652, 0x6600, 0x0201, 0x0201,
-- 
GitLab


From bfd8408d68975759aba1b466af6f5388d7adb836 Mon Sep 17 00:00:00 2001
From: Mikhail Gusarov <dottedmag@dottedmag.net>
Date: Sat, 18 Oct 2008 18:20:02 +0700
Subject: [PATCH 1876/2224] USB: add ZTE MF626 USB GSM modem entry

Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 3d87eabcd92..5a9a1959ae7 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -207,6 +207,7 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 /* ZTE PRODUCTS */
 #define ZTE_VENDOR_ID				0x19d2
 #define ZTE_PRODUCT_MF628			0x0015
+#define ZTE_PRODUCT_MF626			0x0031
 #define ZTE_PRODUCT_CDMA_TECH			0xfffe
 
 /* Ericsson products */
@@ -336,6 +337,7 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
 	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
+	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF626) },
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
 	{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
 	{ USB_DEVICE(ERICSSON_VENDOR_ID, ERICSSON_PRODUCT_F3507G) },
-- 
GitLab


From 1460e5e44cc5ecad7704f63b10dcb3a59d0e008b Mon Sep 17 00:00:00 2001
From: fangxiaozhi <huananhu@huawei.com>
Date: Wed, 15 Oct 2008 14:15:36 +0800
Subject: [PATCH 1877/2224] USB: support Huawei data card product IDs

In this patch, we want to do one thing: add more Huawei product IDs into the
USB driver. Then it can support  more Huawei data card devices. So to declare
the unusual device for new Huawei data card devices in unusual_devs.h and to
declare more new product IDs in option.c.

To modify the data value and length in the function of
usb_stor_huawei_e220_init in initializers.c That's because based on the USB
standard, while sending SET_FETURE_D to the device, it requires the
corresponding data to be zero, and its sending length also must be zero.  In
our old solution, it can be compatible with our WCDMA data card devices, but
can not support our CDMA data card devices.  But in this new solution, it can
be compatible with all of our data card devices.

Signed-off-by: fangxiaozhi <huananhu@huawei.com>
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/serial/option.c        |  94 ++++++++++
 drivers/usb/storage/initializers.c |   3 +-
 drivers/usb/storage/unusual_devs.h | 273 +++++++++++++++++++++++++++--
 3 files changed, 349 insertions(+), 21 deletions(-)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5a9a1959ae7..bd07eaa300b 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -95,11 +95,20 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define HUAWEI_PRODUCT_E220			0x1003
 #define HUAWEI_PRODUCT_E220BIS			0x1004
 #define HUAWEI_PRODUCT_E1401			0x1401
+#define HUAWEI_PRODUCT_E1402			0x1402
 #define HUAWEI_PRODUCT_E1403			0x1403
+#define HUAWEI_PRODUCT_E1404			0x1404
 #define HUAWEI_PRODUCT_E1405			0x1405
 #define HUAWEI_PRODUCT_E1406			0x1406
+#define HUAWEI_PRODUCT_E1407			0x1407
 #define HUAWEI_PRODUCT_E1408			0x1408
 #define HUAWEI_PRODUCT_E1409			0x1409
+#define HUAWEI_PRODUCT_E140A			0x140A
+#define HUAWEI_PRODUCT_E140B			0x140B
+#define HUAWEI_PRODUCT_E140C			0x140C
+#define HUAWEI_PRODUCT_E140D			0x140D
+#define HUAWEI_PRODUCT_E140E			0x140E
+#define HUAWEI_PRODUCT_E140F			0x140F
 #define HUAWEI_PRODUCT_E1410			0x1410
 #define HUAWEI_PRODUCT_E1411			0x1411
 #define HUAWEI_PRODUCT_E1412			0x1412
@@ -110,6 +119,44 @@ static int  option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
 #define HUAWEI_PRODUCT_E1417			0x1417
 #define HUAWEI_PRODUCT_E1418			0x1418
 #define HUAWEI_PRODUCT_E1419			0x1419
+#define HUAWEI_PRODUCT_E141A			0x141A
+#define HUAWEI_PRODUCT_E141B			0x141B
+#define HUAWEI_PRODUCT_E141C			0x141C
+#define HUAWEI_PRODUCT_E141D			0x141D
+#define HUAWEI_PRODUCT_E141E			0x141E
+#define HUAWEI_PRODUCT_E141F			0x141F
+#define HUAWEI_PRODUCT_E1420			0x1420
+#define HUAWEI_PRODUCT_E1421			0x1421
+#define HUAWEI_PRODUCT_E1422			0x1422
+#define HUAWEI_PRODUCT_E1423			0x1423
+#define HUAWEI_PRODUCT_E1424			0x1424
+#define HUAWEI_PRODUCT_E1425			0x1425
+#define HUAWEI_PRODUCT_E1426			0x1426
+#define HUAWEI_PRODUCT_E1427			0x1427
+#define HUAWEI_PRODUCT_E1428			0x1428
+#define HUAWEI_PRODUCT_E1429			0x1429
+#define HUAWEI_PRODUCT_E142A			0x142A
+#define HUAWEI_PRODUCT_E142B			0x142B
+#define HUAWEI_PRODUCT_E142C			0x142C
+#define HUAWEI_PRODUCT_E142D			0x142D
+#define HUAWEI_PRODUCT_E142E			0x142E
+#define HUAWEI_PRODUCT_E142F			0x142F
+#define HUAWEI_PRODUCT_E1430			0x1430
+#define HUAWEI_PRODUCT_E1431			0x1431
+#define HUAWEI_PRODUCT_E1432			0x1432
+#define HUAWEI_PRODUCT_E1433			0x1433
+#define HUAWEI_PRODUCT_E1434			0x1434
+#define HUAWEI_PRODUCT_E1435			0x1435
+#define HUAWEI_PRODUCT_E1436			0x1436
+#define HUAWEI_PRODUCT_E1437			0x1437
+#define HUAWEI_PRODUCT_E1438			0x1438
+#define HUAWEI_PRODUCT_E1439			0x1439
+#define HUAWEI_PRODUCT_E143A			0x143A
+#define HUAWEI_PRODUCT_E143B			0x143B
+#define HUAWEI_PRODUCT_E143C			0x143C
+#define HUAWEI_PRODUCT_E143D			0x143D
+#define HUAWEI_PRODUCT_E143E			0x143E
+#define HUAWEI_PRODUCT_E143F			0x143F
 
 #define NOVATELWIRELESS_VENDOR_ID		0x1410
 
@@ -249,11 +296,20 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1401, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1402, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1403, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1404, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1405, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1406, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1407, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1408, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1409, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140A, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140B, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140C, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140D, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140E, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E140F, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1410, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1411, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1412, 0xff, 0xff, 0xff) },
@@ -264,6 +320,44 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1417, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1418, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1419, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141A, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141B, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141C, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141D, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141E, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E141F, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1420, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1421, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1422, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1423, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1424, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1425, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1426, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1427, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1428, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1429, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142A, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142B, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142C, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142D, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142E, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E142F, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1430, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1431, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1432, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1433, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1434, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1435, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1436, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1437, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1438, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1439, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143A, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143B, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143C, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_9508) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, /* Novatel Merlin V640/XV620 */
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, /* Novatel Merlin V620/S620 */
diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c
index 4995bb595ae..2dd9bd4bff5 100644
--- a/drivers/usb/storage/initializers.c
+++ b/drivers/usb/storage/initializers.c
@@ -95,11 +95,10 @@ int usb_stor_huawei_e220_init(struct us_data *us)
 {
 	int result;
 
-	us->iobuf[0] = 0x1;
 	result = usb_stor_control_msg(us, us->send_ctrl_pipe,
 				      USB_REQ_SET_FEATURE,
 				      USB_TYPE_STANDARD | USB_RECIP_DEVICE,
-				      0x01, 0x0, us->iobuf, 0x1, 1000);
+				      0x01, 0x0, NULL, 0x0, 1000);
 	US_DEBUGP("usb_control_msg performing result is %d\n", result);
 	return (result ? 0 : -1);
 }
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 061df9b4613..d0de1feee91 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1628,97 +1628,332 @@ UNUSUAL_DEV(  0x1210, 0x0003, 0x0100, 0x0100,
 /* Reported by fangxiaozhi <huananhu@huawei.com>
  * This brings the HUAWEI data card devices into multi-port mode
  */
-UNUSUAL_DEV( 0x12d1, 0x1001, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1001, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1003, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1003, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1004, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1004, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1401, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1401, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1403, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1402, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1405, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1403, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1406, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1404, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1408, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1405, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1409, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1406, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1410, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1407, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1411, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1408, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1412, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1409, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1413, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x140A, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1414, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x140B, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1415, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x140C, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1416, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x140D, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1417, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x140E, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1418, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x140F, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
 		0),
-UNUSUAL_DEV( 0x12d1, 0x1419, 0x0000, 0x0000,
+UNUSUAL_DEV(  0x12d1, 0x1410, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1411, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1412, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1413, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1414, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1415, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1416, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1417, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1418, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1419, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x141A, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x141B, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x141C, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x141D, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x141E, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x141F, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1420, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1421, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1422, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1423, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1424, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1425, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1426, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1427, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1428, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1429, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x142A, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x142B, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x142C, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x142D, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x142E, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x142F, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1430, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1431, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1432, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1433, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1434, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1435, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1436, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1437, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1438, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x1439, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x143A, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x143B, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x143C, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x143D, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x143E, 0x0000, 0x0000,
+		"HUAWEI MOBILE",
+		"Mass Storage",
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
+		0),
+UNUSUAL_DEV(  0x12d1, 0x143F, 0x0000, 0x0000,
 		"HUAWEI MOBILE",
 		"Mass Storage",
 		US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init,
-- 
GitLab


From 8aafdf6a1528b0672a0527be473d9be5a12289d3 Mon Sep 17 00:00:00 2001
From: roel kluin <roel.kluin@gmail.com>
Date: Tue, 21 Oct 2008 00:36:44 -0400
Subject: [PATCH 1878/2224] USB: usbtest.c: length, sglen and vary are
 unsigned, so cannot be negative

length, sglen and vary are unsigned, so cannot be negative

see
vi drivers/usb/misc/usbtest.c +18
struct usbtest_param {
...
        unsigned                iterations;
        unsigned                length;
        unsigned                vary;
        unsigned                sglen;
...
};

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/misc/usbtest.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index b358c4e1cf2..444c69c447b 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -1561,8 +1561,7 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf)
 	if (code != USBTEST_REQUEST)
 		return -EOPNOTSUPP;
 
-	if (param->iterations <= 0 || param->length < 0
-			|| param->sglen < 0 || param->vary < 0)
+	if (param->iterations <= 0)
 		return -EINVAL;
 
 	if (mutex_lock_interruptible(&dev->lock))
-- 
GitLab


From 8fc7aeab3851ed8c3ecf28901ca2c6f0400955c7 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Mon, 20 Oct 2008 09:52:12 -0400
Subject: [PATCH 1879/2224] USB: Speedtouch: add pre_reset and post_reset
 routines

This patch (as1150) fixes a problem in the speedtch driver.  When it
resets the modem during probe it will be unbound from the other
interfaces it has claimed, because it doesn't define a pre_reset and a
post_reset method.

The patch defines "do-nothing" methods.  This fixes Bugzilla #11767.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/atm/speedtch.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 76fce44c2f9..3e862401a63 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -722,6 +722,16 @@ static void speedtch_atm_stop(struct usbatm_data *usbatm, struct atm_dev *atm_de
 	flush_scheduled_work();
 }
 
+static int speedtch_pre_reset(struct usb_interface *intf)
+{
+	return 0;
+}
+
+static int speedtch_post_reset(struct usb_interface *intf)
+{
+	return 0;
+}
+
 
 /**********
 **  USB  **
@@ -740,6 +750,8 @@ static struct usb_driver speedtch_usb_driver = {
 	.name		= speedtch_driver_name,
 	.probe		= speedtch_usb_probe,
 	.disconnect	= usbatm_usb_disconnect,
+	.pre_reset	= speedtch_pre_reset,
+	.post_reset	= speedtch_post_reset,
 	.id_table	= speedtch_usb_ids
 };
 
-- 
GitLab


From dd9ebf1421902df806c0ed6fac296badaca06161 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 13 Oct 2008 09:14:52 -0700
Subject: [PATCH 1880/2224] usb/gadget: fix kernel-doc warning

Fix kernel-doc warning, wrong parameter name listed:

Warning(lin2627-g3-kdocfixes//drivers/usb/gadget/config.c:183): No description found for parameter 'match'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/config.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c
index 1ca1c326392..e1191b9a316 100644
--- a/drivers/usb/gadget/config.c
+++ b/drivers/usb/gadget/config.c
@@ -168,7 +168,7 @@ usb_copy_descriptors(struct usb_descriptor_header **src)
  * usb_find_endpoint - find a copy of an endpoint descriptor
  * @src: original vector of descriptors
  * @copy: copy of @src
- * @ep: endpoint descriptor found in @src
+ * @match: endpoint descriptor found in @src
  *
  * This returns the copy of the @match descriptor made for @copy.  Its
  * intended use is to help remembering the endpoint descriptor to use
-- 
GitLab


From 3131f7b0ab9ed461daa2464fffd9df784d1f730d Mon Sep 17 00:00:00 2001
From: Robert Jarzmik <robert.jarzmik@free.fr>
Date: Mon, 13 Oct 2008 20:06:00 +0200
Subject: [PATCH 1881/2224] USB: Fix unneeded endpoint check in pxa27x_udc

The request allocation code doesn't need to check if the
endpoint is not NULL, as the only caller in
include/linux/usb/gadget.h, usb_ep_alloc_request() needs the
endpoint pointer to have a correct value to trigger the
allocation code.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/gadget/pxa27x_udc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index bcf375ca3d7..caa37c95802 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -650,7 +650,7 @@ pxa_ep_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags)
 	struct pxa27x_request *req;
 
 	req = kzalloc(sizeof *req, gfp_flags);
-	if (!req || !_ep)
+	if (!req)
 		return NULL;
 
 	INIT_LIST_HEAD(&req->queue);
-- 
GitLab


From aa5380b904e7f896db0931320160bdea93e41f6a Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Mon, 13 Oct 2008 14:05:20 +0200
Subject: [PATCH 1882/2224] USB: cdc-wdm: make module autoload work

this fixes an omission that led to no alias being computed for the
cdc-wdm module.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/class/cdc-wdm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 7429f70b9d0..5a8ecc045e3 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -42,6 +42,8 @@ static struct usb_device_id wdm_ids[] = {
 	{ }
 };
 
+MODULE_DEVICE_TABLE (usb, wdm_ids);
+
 #define WDM_MINOR_BASE	176
 
 
-- 
GitLab


From e8fab4ce763c36869624c5388714ff19c30a91a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Marchal?=
 <frederic.marchal@wowcompany.com>
Date: Mon, 13 Oct 2008 14:00:11 +0200
Subject: [PATCH 1883/2224] USB: Unusual dev for Mio moov 330 gps
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Here is an entry for the unusual_devs.h file to handle a Mio Moov 330 GPS that
stops responding when it is requested to transfer more than 64KB. The patch is
taken against kernel-2.6.27-git3.

Signed-off-by: Frédéric Marchal <frederic.marchal@wowcompany.co
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/storage/unusual_devs.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index d0de1feee91..a2b9ebbef38 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2062,6 +2062,15 @@ UNUSUAL_DEV(  0x2770, 0x915d, 0x0010, 0x0010,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_CAPACITY ),
 
+/* Reported by Frederic Marchal <frederic.marchal@wowcompany.com>
+ * Mio Moov 330
+ */
+UNUSUAL_DEV(  0x3340, 0xffff, 0x0000, 0x0000,
+		"Mitac",
+		"Mio DigiWalker USB Sync",
+		US_SC_DEVICE,US_PR_DEVICE,NULL,
+		US_FL_MAX_SECTORS_64 ),
+
 /* Reported by Andrey Rahmatullin <wrar@altlinux.org> */
 UNUSUAL_DEV(  0x4102, 0x1020, 0x0100,  0x0100,
 		"iRiver",
-- 
GitLab


From a496c64f1363ec4d67ebdc1e1f619ad6372a574c Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Tue, 21 Oct 2008 10:39:04 +0200
Subject: [PATCH 1884/2224] USB: fix memory leak in cdc-acm
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This fixes a memory leak on disconnect in cdc-acm

Thanks to 施金� for finding it.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/class/cdc-acm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index fab23ee8702..20104443081 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -849,9 +849,10 @@ static void acm_write_buffers_free(struct acm *acm)
 {
 	int i;
 	struct acm_wb *wb;
+	struct usb_device *usb_dev = interface_to_usbdev(acm->control);
 
 	for (wb = &acm->wb[0], i = 0; i < ACM_NW; i++, wb++) {
-		usb_buffer_free(acm->dev, acm->writesize, wb->buf, wb->dmah);
+		usb_buffer_free(usb_dev, acm->writesize, wb->buf, wb->dmah);
 	}
 }
 
-- 
GitLab


From 6c6409459a18a825ce12ecb003d5686af61f7a2f Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Tue, 21 Oct 2008 15:40:03 -0400
Subject: [PATCH 1885/2224] USB: don't rebind drivers after failed resume or
 reset

This patch (as1152) may help prevent some problems associated with the
new policy of unbinding drivers that don't support suspend/resume or
pre_reset/post_reset.  If for any reason the resume or reset fails, and
the device is logically disconnected, there's no point in trying to
rebind the driver.  So the patch checks for success before carrying
out the unbind/rebind.

There was a report from one user that this fixed a problem he was
experiencing, but the details never became fully clear.  In any case,
adding these tests can't hurt.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/core/driver.c | 3 ++-
 drivers/usb/core/hub.c    | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index e935be7eb46..3d7793d9303 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1610,7 +1610,8 @@ int usb_external_resume_device(struct usb_device *udev)
 	status = usb_resume_both(udev);
 	udev->last_busy = jiffies;
 	usb_pm_unlock(udev);
-	do_unbind_rebind(udev, DO_REBIND);
+	if (status == 0)
+		do_unbind_rebind(udev, DO_REBIND);
 
 	/* Now that the device is awake, we can start trying to autosuspend
 	 * it again. */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index d73ce262c36..9b3f16bd12c 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3504,7 +3504,7 @@ int usb_reset_device(struct usb_device *udev)
 						USB_INTERFACE_BOUND)
 					rebind = 1;
 			}
-			if (rebind)
+			if (ret == 0 && rebind)
 				usb_rebind_intf(cintf);
 		}
 	}
-- 
GitLab


From 93fc9e1bb6507dde945c2eab68c93e1066ac3691 Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Wed, 22 Oct 2008 10:25:29 -0700
Subject: [PATCH 1886/2224] mlx4_core: Support multiple pre-reserved QP regions

For ethernet support, we need to reserve QPs for the ethernet and
fibre channel driver.  The QPs are reserved at the end of the QP
table.  (This way we assure that they are aligned to their size)

We need to consider these reserved ranges in bitmap creation, so we
extend the mlx4 bitmap utility functions to allow reserved ranges at
both the bottom and the top of the range.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/net/mlx4/alloc.c    | 29 ++++++++++-------
 drivers/net/mlx4/cq.c       |  2 +-
 drivers/net/mlx4/eq.c       |  2 +-
 drivers/net/mlx4/fw.c       |  5 +++
 drivers/net/mlx4/fw.h       |  2 ++
 drivers/net/mlx4/main.c     | 62 +++++++++++++++++++++++++++++++++----
 drivers/net/mlx4/mcg.c      |  4 +--
 drivers/net/mlx4/mlx4.h     |  4 ++-
 drivers/net/mlx4/mr.c       |  2 +-
 drivers/net/mlx4/pd.c       |  4 +--
 drivers/net/mlx4/qp.c       | 36 +++++++++++++++++++--
 drivers/net/mlx4/srq.c      |  2 +-
 include/linux/mlx4/device.h | 19 +++++++++++-
 13 files changed, 144 insertions(+), 29 deletions(-)

diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c
index e6c0d5bb5dc..e2bc7ecf162 100644
--- a/drivers/net/mlx4/alloc.c
+++ b/drivers/net/mlx4/alloc.c
@@ -47,13 +47,16 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap)
 
 	obj = find_next_zero_bit(bitmap->table, bitmap->max, bitmap->last);
 	if (obj >= bitmap->max) {
-		bitmap->top = (bitmap->top + bitmap->max) & bitmap->mask;
+		bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
+				& bitmap->mask;
 		obj = find_first_zero_bit(bitmap->table, bitmap->max);
 	}
 
 	if (obj < bitmap->max) {
 		set_bit(obj, bitmap->table);
-		bitmap->last = (obj + 1) & (bitmap->max - 1);
+		bitmap->last = (obj + 1);
+		if (bitmap->last == bitmap->max)
+			bitmap->last = 0;
 		obj |= bitmap->top;
 	} else
 		obj = -1;
@@ -109,9 +112,9 @@ u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
 	obj = find_aligned_range(bitmap->table, bitmap->last,
 				 bitmap->max, cnt, align);
 	if (obj >= bitmap->max) {
-		bitmap->top = (bitmap->top + bitmap->max) & bitmap->mask;
-		obj = find_aligned_range(bitmap->table, 0,
-					 bitmap->max,
+		bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
+				& bitmap->mask;
+		obj = find_aligned_range(bitmap->table, 0, bitmap->max,
 					 cnt, align);
 	}
 
@@ -136,17 +139,19 @@ void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt)
 {
 	u32 i;
 
-	obj &= bitmap->max - 1;
+	obj &= bitmap->max + bitmap->reserved_top - 1;
 
 	spin_lock(&bitmap->lock);
 	for (i = 0; i < cnt; i++)
 		clear_bit(obj + i, bitmap->table);
 	bitmap->last = min(bitmap->last, obj);
-	bitmap->top = (bitmap->top + bitmap->max) & bitmap->mask;
+	bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
+			& bitmap->mask;
 	spin_unlock(&bitmap->lock);
 }
 
-int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved)
+int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
+		     u32 reserved_bot, u32 reserved_top)
 {
 	int i;
 
@@ -156,14 +161,16 @@ int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved
 
 	bitmap->last = 0;
 	bitmap->top  = 0;
-	bitmap->max  = num;
+	bitmap->max  = num - reserved_top;
 	bitmap->mask = mask;
+	bitmap->reserved_top = reserved_top;
 	spin_lock_init(&bitmap->lock);
-	bitmap->table = kzalloc(BITS_TO_LONGS(num) * sizeof (long), GFP_KERNEL);
+	bitmap->table = kzalloc(BITS_TO_LONGS(bitmap->max) *
+				sizeof (long), GFP_KERNEL);
 	if (!bitmap->table)
 		return -ENOMEM;
 
-	for (i = 0; i < reserved; ++i)
+	for (i = 0; i < reserved_bot; ++i)
 		set_bit(i, bitmap->table);
 
 	return 0;
diff --git a/drivers/net/mlx4/cq.c b/drivers/net/mlx4/cq.c
index 9bb50e3f897..b7ad2829d67 100644
--- a/drivers/net/mlx4/cq.c
+++ b/drivers/net/mlx4/cq.c
@@ -300,7 +300,7 @@ int mlx4_init_cq_table(struct mlx4_dev *dev)
 	INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC);
 
 	err = mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs,
-			       dev->caps.num_cqs - 1, dev->caps.reserved_cqs);
+			       dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0);
 	if (err)
 		return err;
 
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index 8a8b56135a5..de169338cd9 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -558,7 +558,7 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
 	int i;
 
 	err = mlx4_bitmap_init(&priv->eq_table.bitmap, dev->caps.num_eqs,
-			       dev->caps.num_eqs - 1, dev->caps.reserved_eqs);
+			       dev->caps.num_eqs - 1, dev->caps.reserved_eqs, 0);
 	if (err)
 		return err;
 
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 7e32955da98..40d8142c23b 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -357,6 +357,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 #define QUERY_PORT_MTU_OFFSET			0x01
 #define QUERY_PORT_WIDTH_OFFSET			0x06
 #define QUERY_PORT_MAX_GID_PKEY_OFFSET		0x07
+#define QUERY_PORT_MAX_MACVLAN_OFFSET		0x0a
 #define QUERY_PORT_MAX_VL_OFFSET		0x0b
 
 		for (i = 1; i <= dev_cap->num_ports; ++i) {
@@ -374,6 +375,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 			dev_cap->max_pkeys[i]	   = 1 << (field & 0xf);
 			MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET);
 			dev_cap->max_vl[i]	   = field & 0xf;
+			MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
+			dev_cap->log_max_macs[i]  = field & 0xf;
+			dev_cap->log_max_vlans[i] = field >> 4;
+
 		}
 	}
 
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index decbb5c2ad4..c34e726d66e 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -102,6 +102,8 @@ struct mlx4_dev_cap {
 	u32 reserved_lkey;
 	u64 max_icm_sz;
 	int max_gso_sz;
+	u8  log_max_macs[MLX4_MAX_PORTS + 1];
+	u8  log_max_vlans[MLX4_MAX_PORTS + 1];
 };
 
 struct mlx4_adapter {
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 1252a919de2..560e1962212 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -85,6 +85,19 @@ static struct mlx4_profile default_profile = {
 	.num_mtt	= 1 << 20,
 };
 
+static int log_num_mac = 2;
+module_param_named(log_num_mac, log_num_mac, int, 0444);
+MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)");
+
+static int log_num_vlan;
+module_param_named(log_num_vlan, log_num_vlan, int, 0444);
+MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)");
+
+static int use_prio;
+module_param_named(use_prio, use_prio, bool, 0444);
+MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
+		  "(0/1, default 0)");
+
 static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 {
 	int err;
@@ -134,7 +147,6 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev->caps.max_rq_sg	     = dev_cap->max_rq_sg;
 	dev->caps.max_wqes	     = dev_cap->max_qp_sz;
 	dev->caps.max_qp_init_rdma   = dev_cap->max_requester_per_qp;
-	dev->caps.reserved_qps	     = dev_cap->reserved_qps;
 	dev->caps.max_srq_wqes	     = dev_cap->max_srq_sz;
 	dev->caps.max_srq_sge	     = dev_cap->max_rq_sg - 1;
 	dev->caps.reserved_srqs	     = dev_cap->reserved_srqs;
@@ -163,6 +175,39 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev->caps.stat_rate_support  = dev_cap->stat_rate_support;
 	dev->caps.max_gso_sz	     = dev_cap->max_gso_sz;
 
+	dev->caps.log_num_macs  = log_num_mac;
+	dev->caps.log_num_vlans = log_num_vlan;
+	dev->caps.log_num_prios = use_prio ? 3 : 0;
+
+	for (i = 1; i <= dev->caps.num_ports; ++i) {
+		if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
+			dev->caps.log_num_macs = dev_cap->log_max_macs[i];
+			mlx4_warn(dev, "Requested number of MACs is too much "
+				  "for port %d, reducing to %d.\n",
+				  i, 1 << dev->caps.log_num_macs);
+		}
+		if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) {
+			dev->caps.log_num_vlans = dev_cap->log_max_vlans[i];
+			mlx4_warn(dev, "Requested number of VLANs is too much "
+				  "for port %d, reducing to %d.\n",
+				  i, 1 << dev->caps.log_num_vlans);
+		}
+	}
+
+	dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
+	dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
+		dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] =
+		(1 << dev->caps.log_num_macs) *
+		(1 << dev->caps.log_num_vlans) *
+		(1 << dev->caps.log_num_prios) *
+		dev->caps.num_ports;
+	dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH;
+
+	dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] +
+		dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] +
+		dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] +
+		dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH];
+
 	return 0;
 }
 
@@ -211,7 +256,8 @@ static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base,
 				  ((u64) (MLX4_CMPT_TYPE_QP *
 					  cmpt_entry_sz) << MLX4_CMPT_SHIFT),
 				  cmpt_entry_sz, dev->caps.num_qps,
-				  dev->caps.reserved_qps, 0, 0);
+				  dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
+				  0, 0);
 	if (err)
 		goto err;
 
@@ -336,7 +382,8 @@ static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
 				  init_hca->qpc_base,
 				  dev_cap->qpc_entry_sz,
 				  dev->caps.num_qps,
-				  dev->caps.reserved_qps, 0, 0);
+				  dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
+				  0, 0);
 	if (err) {
 		mlx4_err(dev, "Failed to map QP context memory, aborting.\n");
 		goto err_unmap_dmpt;
@@ -346,7 +393,8 @@ static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
 				  init_hca->auxc_base,
 				  dev_cap->aux_entry_sz,
 				  dev->caps.num_qps,
-				  dev->caps.reserved_qps, 0, 0);
+				  dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
+				  0, 0);
 	if (err) {
 		mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n");
 		goto err_unmap_qp;
@@ -356,7 +404,8 @@ static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
 				  init_hca->altc_base,
 				  dev_cap->altc_entry_sz,
 				  dev->caps.num_qps,
-				  dev->caps.reserved_qps, 0, 0);
+				  dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
+				  0, 0);
 	if (err) {
 		mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n");
 		goto err_unmap_auxc;
@@ -366,7 +415,8 @@ static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
 				  init_hca->rdmarc_base,
 				  dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift,
 				  dev->caps.num_qps,
-				  dev->caps.reserved_qps, 0, 0);
+				  dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
+				  0, 0);
 	if (err) {
 		mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n");
 		goto err_unmap_altc;
diff --git a/drivers/net/mlx4/mcg.c b/drivers/net/mlx4/mcg.c
index c83f88ce073..592c01ae2c5 100644
--- a/drivers/net/mlx4/mcg.c
+++ b/drivers/net/mlx4/mcg.c
@@ -368,8 +368,8 @@ int mlx4_init_mcg_table(struct mlx4_dev *dev)
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	int err;
 
-	err = mlx4_bitmap_init(&priv->mcg_table.bitmap,
-			       dev->caps.num_amgms, dev->caps.num_amgms - 1, 0);
+	err = mlx4_bitmap_init(&priv->mcg_table.bitmap, dev->caps.num_amgms,
+			       dev->caps.num_amgms - 1, 0, 0);
 	if (err)
 		return err;
 
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index b55ddab73f6..9e2f44c3181 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -111,6 +111,7 @@ struct mlx4_bitmap {
 	u32			last;
 	u32			top;
 	u32			max;
+	u32                     reserved_top;
 	u32			mask;
 	spinlock_t		lock;
 	unsigned long	       *table;
@@ -290,7 +291,8 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align);
 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt);
-int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask, u32 reserved);
+int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
+		     u32 reserved_bot, u32 resetrved_top);
 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
 
 int mlx4_reset(struct mlx4_dev *dev);
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c
index d1dd5b48dbd..0caf74cae8b 100644
--- a/drivers/net/mlx4/mr.c
+++ b/drivers/net/mlx4/mr.c
@@ -461,7 +461,7 @@ int mlx4_init_mr_table(struct mlx4_dev *dev)
 	int err;
 
 	err = mlx4_bitmap_init(&mr_table->mpt_bitmap, dev->caps.num_mpts,
-			       ~0, dev->caps.reserved_mrws);
+			       ~0, dev->caps.reserved_mrws, 0);
 	if (err)
 		return err;
 
diff --git a/drivers/net/mlx4/pd.c b/drivers/net/mlx4/pd.c
index aa616892d09..26d1a7a9e37 100644
--- a/drivers/net/mlx4/pd.c
+++ b/drivers/net/mlx4/pd.c
@@ -62,7 +62,7 @@ int mlx4_init_pd_table(struct mlx4_dev *dev)
 	struct mlx4_priv *priv = mlx4_priv(dev);
 
 	return mlx4_bitmap_init(&priv->pd_bitmap, dev->caps.num_pds,
-				(1 << 24) - 1, dev->caps.reserved_pds);
+				(1 << 24) - 1, dev->caps.reserved_pds, 0);
 }
 
 void mlx4_cleanup_pd_table(struct mlx4_dev *dev)
@@ -100,7 +100,7 @@ int mlx4_init_uar_table(struct mlx4_dev *dev)
 
 	return mlx4_bitmap_init(&mlx4_priv(dev)->uar_table.bitmap,
 				dev->caps.num_uars, dev->caps.num_uars - 1,
-				max(128, dev->caps.reserved_uars));
+				max(128, dev->caps.reserved_uars), 0);
 }
 
 void mlx4_cleanup_uar_table(struct mlx4_dev *dev)
diff --git a/drivers/net/mlx4/qp.c b/drivers/net/mlx4/qp.c
index 98e0c40ba36..1c565ef8d17 100644
--- a/drivers/net/mlx4/qp.c
+++ b/drivers/net/mlx4/qp.c
@@ -272,6 +272,7 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
 {
 	struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
 	int err;
+	int reserved_from_top = 0;
 
 	spin_lock_init(&qp_table->lock);
 	INIT_RADIX_TREE(&dev->qp_table_tree, GFP_ATOMIC);
@@ -281,9 +282,40 @@ int mlx4_init_qp_table(struct mlx4_dev *dev)
 	 * block of special QPs must be aligned to a multiple of 8, so
 	 * round up.
 	 */
-	dev->caps.sqp_start = ALIGN(dev->caps.reserved_qps, 8);
+	dev->caps.sqp_start =
+		ALIGN(dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], 8);
+
+	{
+		int sort[MLX4_NUM_QP_REGION];
+		int i, j, tmp;
+		int last_base = dev->caps.num_qps;
+
+		for (i = 1; i < MLX4_NUM_QP_REGION; ++i)
+			sort[i] = i;
+
+		for (i = MLX4_NUM_QP_REGION; i > 0; --i) {
+			for (j = 2; j < i; ++j) {
+				if (dev->caps.reserved_qps_cnt[sort[j]] >
+				    dev->caps.reserved_qps_cnt[sort[j - 1]]) {
+					tmp             = sort[j];
+					sort[j]         = sort[j - 1];
+					sort[j - 1]     = tmp;
+				}
+			}
+		}
+
+		for (i = 1; i < MLX4_NUM_QP_REGION; ++i) {
+			last_base -= dev->caps.reserved_qps_cnt[sort[i]];
+			dev->caps.reserved_qps_base[sort[i]] = last_base;
+			reserved_from_top +=
+				dev->caps.reserved_qps_cnt[sort[i]];
+		}
+
+	}
+
 	err = mlx4_bitmap_init(&qp_table->bitmap, dev->caps.num_qps,
-			       (1 << 24) - 1, dev->caps.sqp_start + 8);
+			       (1 << 23) - 1, dev->caps.sqp_start + 8,
+			       reserved_from_top);
 	if (err)
 		return err;
 
diff --git a/drivers/net/mlx4/srq.c b/drivers/net/mlx4/srq.c
index 533eb6db24b..fe9f218691f 100644
--- a/drivers/net/mlx4/srq.c
+++ b/drivers/net/mlx4/srq.c
@@ -245,7 +245,7 @@ int mlx4_init_srq_table(struct mlx4_dev *dev)
 	INIT_RADIX_TREE(&srq_table->tree, GFP_ATOMIC);
 
 	err = mlx4_bitmap_init(&srq_table->bitmap, dev->caps.num_srqs,
-			       dev->caps.num_srqs - 1, dev->caps.reserved_srqs);
+			       dev->caps.num_srqs - 1, dev->caps.reserved_srqs, 0);
 	if (err)
 		return err;
 
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index d21e879f3c9..693f93cd29e 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -145,6 +145,18 @@ enum {
 	MLX4_MTT_FLAG_PRESENT		= 1
 };
 
+enum mlx4_qp_region {
+	MLX4_QP_REGION_FW = 0,
+	MLX4_QP_REGION_ETH_ADDR,
+	MLX4_QP_REGION_FC_ADDR,
+	MLX4_QP_REGION_FC_EXCH,
+	MLX4_NUM_QP_REGION
+};
+
+enum {
+	MLX4_NUM_FEXCH          = 64 * 1024,
+};
+
 static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
 {
 	return (major << 32) | (minor << 16) | subminor;
@@ -169,7 +181,6 @@ struct mlx4_caps {
 	int			max_rq_desc_sz;
 	int			max_qp_init_rdma;
 	int			max_qp_dest_rdma;
-	int			reserved_qps;
 	int			sqp_start;
 	int			num_srqs;
 	int			max_srq_wqes;
@@ -201,6 +212,12 @@ struct mlx4_caps {
 	u16			stat_rate_support;
 	u8			port_width_cap[MLX4_MAX_PORTS + 1];
 	int			max_gso_sz;
+	int                     reserved_qps_cnt[MLX4_NUM_QP_REGION];
+	int			reserved_qps;
+	int                     reserved_qps_base[MLX4_NUM_QP_REGION];
+	int                     log_num_macs;
+	int                     log_num_vlans;
+	int                     log_num_prios;
 };
 
 struct mlx4_buf_list {
-- 
GitLab


From 1cd9cd161c89f569b90583b7797bd972c3bf0cff Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Wed, 22 Oct 2008 13:12:36 -0400
Subject: [PATCH 1887/2224] NFSD: Fix BUG during NFSD shutdown processing

The Linux NFS server can be started via a user-space write to
/proc/fs/nfs/threads or to /proc/fs/nfs/portlist.  In the first case,
all default listeners are started (both UDP and TCP).  In the second,
a listener is started only for one specified transport.

The NFS server has to make sure lockd stays up until the last listener
transport goes away.  To support both start-up interfaces, it should
do one lockd_up() for each NFSD listener.

The nfsd_init_socks() function used to do one lockd_up() call for each
svc_create_xprt().  Recently commit
26a414092353590ceaa5955bcb53f863d6ea7549 mistakenly changed
nfsd_init_socks() to do only one lockd_up() call even though it still
does two svc_create_xprt() calls.

The end result is a lockd_down() BUG during NFSD shutdown processing
because nfsd_last_threads() does a lockd_down() call for each entry
on the sv_permsocks list, but the start-up code doesn't do a matching
number of lockd_up() calls.

Add a second lockd_up() in nfsd_init_socks() to make sure the number
of lockd_up() calls matches the number of entries on the NFS servers's
sv_permsocks list.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---
 fs/nfsd/nfssvc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 59eeb46f82c..07e4f5d7baa 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -249,6 +249,10 @@ static int nfsd_init_socks(int port)
 	if (error < 0)
 		return error;
 
+	error = lockd_up();
+	if (error < 0)
+		return error;
+
 	error = svc_create_xprt(nfsd_serv, "tcp", port,
 					SVC_SOCK_DEFAULTS);
 	if (error < 0)
-- 
GitLab


From b79acb49de6c2ab9ff0245f0f2b573d48b9a2d93 Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Wed, 22 Oct 2008 10:56:48 -0700
Subject: [PATCH 1888/2224] mlx4_core: Get ethernet MTU and default address
 from firmware

Get maximum ethernet MTU and default MAC address from the firmware
QUERY_DEV_CAP command.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/net/mlx4/fw.c       | 13 ++++++++-----
 drivers/net/mlx4/fw.h       |  4 +++-
 drivers/net/mlx4/main.c     |  4 +++-
 include/linux/mlx4/device.h |  4 +++-
 4 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 40d8142c23b..8d402db9a03 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -346,7 +346,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 			MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
 			dev_cap->max_vl[i]	   = field >> 4;
 			MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET);
-			dev_cap->max_mtu[i]	   = field >> 4;
+			dev_cap->ib_mtu[i]	   = field >> 4;
 			dev_cap->max_port_width[i] = field & 0xf;
 			MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET);
 			dev_cap->max_gids[i]	   = 1 << (field & 0xf);
@@ -355,8 +355,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 		}
 	} else {
 #define QUERY_PORT_MTU_OFFSET			0x01
+#define QUERY_PORT_ETH_MTU_OFFSET		0x02
 #define QUERY_PORT_WIDTH_OFFSET			0x06
 #define QUERY_PORT_MAX_GID_PKEY_OFFSET		0x07
+#define QUERY_PORT_MAC_OFFSET			0x08
 #define QUERY_PORT_MAX_MACVLAN_OFFSET		0x0a
 #define QUERY_PORT_MAX_VL_OFFSET		0x0b
 
@@ -367,7 +369,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 				goto out;
 
 			MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
-			dev_cap->max_mtu[i]	   = field & 0xf;
+			dev_cap->ib_mtu[i]	   = field & 0xf;
 			MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
 			dev_cap->max_port_width[i] = field & 0xf;
 			MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET);
@@ -378,7 +380,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 			MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET);
 			dev_cap->log_max_macs[i]  = field & 0xf;
 			dev_cap->log_max_vlans[i] = field >> 4;
-
+			MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
+			MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
 		}
 	}
 
@@ -412,7 +415,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
 		 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz);
 	mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n",
-		 dev_cap->local_ca_ack_delay, 128 << dev_cap->max_mtu[1],
+		 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1],
 		 dev_cap->max_port_width[1]);
 	mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n",
 		 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
@@ -824,7 +827,7 @@ int mlx4_INIT_PORT(struct mlx4_dev *dev, int port)
 		flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT;
 		MLX4_PUT(inbox, flags,		  INIT_PORT_FLAGS_OFFSET);
 
-		field = 128 << dev->caps.mtu_cap[port];
+		field = 128 << dev->caps.ib_mtu_cap[port];
 		MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET);
 		field = dev->caps.gid_table_len[port];
 		MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET);
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index c34e726d66e..d0913d4d262 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -66,11 +66,13 @@ struct mlx4_dev_cap {
 	int local_ca_ack_delay;
 	int num_ports;
 	u32 max_msg_sz;
-	int max_mtu[MLX4_MAX_PORTS + 1];
+	int ib_mtu[MLX4_MAX_PORTS + 1];
 	int max_port_width[MLX4_MAX_PORTS + 1];
 	int max_vl[MLX4_MAX_PORTS + 1];
 	int max_gids[MLX4_MAX_PORTS + 1];
 	int max_pkeys[MLX4_MAX_PORTS + 1];
+	u64 def_mac[MLX4_MAX_PORTS + 1];
+	u16 eth_mtu[MLX4_MAX_PORTS + 1];
 	u16 stat_rate_support;
 	u32 flags;
 	int reserved_uars;
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 560e1962212..28f36b88de3 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -133,10 +133,12 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev->caps.num_ports	     = dev_cap->num_ports;
 	for (i = 1; i <= dev->caps.num_ports; ++i) {
 		dev->caps.vl_cap[i]	    = dev_cap->max_vl[i];
-		dev->caps.mtu_cap[i]	    = dev_cap->max_mtu[i];
+		dev->caps.ib_mtu_cap[i]	    = dev_cap->ib_mtu[i];
 		dev->caps.gid_table_len[i]  = dev_cap->max_gids[i];
 		dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i];
 		dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
+		dev->caps.eth_mtu_cap[i]    = dev_cap->eth_mtu[i];
+		dev->caps.def_mac[i]        = dev_cap->def_mac[i];
 	}
 
 	dev->caps.num_uars	     = dev_cap->uar_size / PAGE_SIZE;
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 693f93cd29e..f9e73cfc540 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -166,7 +166,9 @@ struct mlx4_caps {
 	u64			fw_ver;
 	int			num_ports;
 	int			vl_cap[MLX4_MAX_PORTS + 1];
-	int			mtu_cap[MLX4_MAX_PORTS + 1];
+	int			ib_mtu_cap[MLX4_MAX_PORTS + 1];
+	u64			def_mac[MLX4_MAX_PORTS + 1];
+	int			eth_mtu_cap[MLX4_MAX_PORTS + 1];
 	int			gid_table_len[MLX4_MAX_PORTS + 1];
 	int			pkey_table_len[MLX4_MAX_PORTS + 1];
 	int			local_ca_ack_delay;
-- 
GitLab


From 6c6a426fdcb374b7641d7cf9eea88410828b9d9a Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Wed, 22 Oct 2008 14:48:36 +0530
Subject: [PATCH 1889/2224] nfsd: Fix memory leak in nfsd_getxattr

Fix a memory leak in nfsd_getxattr. nfsd_getxattr should free up memory
	that it allocated if vfs_getxattr fails.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---
 fs/nfsd/vfs.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index aa1d0d6489a..9609eb51d72 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -410,6 +410,7 @@ out_nfserr:
 static ssize_t nfsd_getxattr(struct dentry *dentry, char *key, void **buf)
 {
 	ssize_t buflen;
+	ssize_t ret;
 
 	buflen = vfs_getxattr(dentry, key, NULL, 0);
 	if (buflen <= 0)
@@ -419,7 +420,10 @@ static ssize_t nfsd_getxattr(struct dentry *dentry, char *key, void **buf)
 	if (!*buf)
 		return -ENOMEM;
 
-	return vfs_getxattr(dentry, key, *buf, buflen);
+	ret = vfs_getxattr(dentry, key, *buf, buflen);
+	if (ret < 0)
+		kfree(*buf);
+	return ret;
 }
 #endif
 
-- 
GitLab


From 6dfcde98a299196f13dd66417663a819f0ac4156 Mon Sep 17 00:00:00 2001
From: Krishna Kumar <krkumar2@in.ibm.com>
Date: Mon, 20 Oct 2008 11:44:40 +0530
Subject: [PATCH 1890/2224] nfsd: Drop reference in expkey_parse error cases

Drop reference to export key on error. Compile tested.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---
 fs/nfsd/export.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 9dc036f1835..7ce2c6e4e23 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -151,8 +151,10 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
 
 	/* now we want a pathname, or empty meaning NEGATIVE  */
 	err = -EINVAL;
-	if ((len=qword_get(&mesg, buf, PAGE_SIZE)) < 0)
+	if ((len=qword_get(&mesg, buf, PAGE_SIZE)) < 0) {
+		cache_put(&ek->h, &svc_expkey_cache);
 		goto out;
+	}
 	dprintk("Path seems to be <%s>\n", buf);
 	err = 0;
 	if (len == 0) {
@@ -164,8 +166,10 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
 	} else {
 		struct nameidata nd;
 		err = path_lookup(buf, 0, &nd);
-		if (err)
+		if (err) {
+			cache_put(&ek->h, &svc_expkey_cache);
 			goto out;
+		}
 
 		dprintk("Found the path %s\n", buf);
 		key.ek_path = nd.path;
-- 
GitLab


From 30bc4dfd3b64eb1fbefe2c63e30d8fc129273e20 Mon Sep 17 00:00:00 2001
From: "J. Bruce Fields" <bfields@citi.umich.edu>
Date: Mon, 20 Oct 2008 16:34:21 -0400
Subject: [PATCH 1891/2224] nfsd: clean up expkey_parse error cases

We might as well do all of these at the end.  Fix up a couple minor
style nits while we're there.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---
 fs/nfsd/export.c | 25 +++++++++++--------------
 1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 7ce2c6e4e23..5cd882b8871 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -99,7 +99,7 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
 	int fsidtype;
 	char *ep;
 	struct svc_expkey key;
-	struct svc_expkey *ek;
+	struct svc_expkey *ek = NULL;
 
 	if (mesg[mlen-1] != '\n')
 		return -EINVAL;
@@ -107,7 +107,8 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
 
 	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
 	err = -ENOMEM;
-	if (!buf) goto out;
+	if (!buf)
+		goto out;
 
 	err = -EINVAL;
 	if ((len=qword_get(&mesg, buf, PAGE_SIZE)) <= 0)
@@ -151,38 +152,34 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
 
 	/* now we want a pathname, or empty meaning NEGATIVE  */
 	err = -EINVAL;
-	if ((len=qword_get(&mesg, buf, PAGE_SIZE)) < 0) {
-		cache_put(&ek->h, &svc_expkey_cache);
+	len = qword_get(&mesg, buf, PAGE_SIZE);
+	if (len < 0)
 		goto out;
-	}
 	dprintk("Path seems to be <%s>\n", buf);
 	err = 0;
 	if (len == 0) {
 		set_bit(CACHE_NEGATIVE, &key.h.flags);
 		ek = svc_expkey_update(&key, ek);
-		if (ek)
-			cache_put(&ek->h, &svc_expkey_cache);
-		else err = -ENOMEM;
+		if (!ek)
+			err = -ENOMEM;
 	} else {
 		struct nameidata nd;
 		err = path_lookup(buf, 0, &nd);
-		if (err) {
-			cache_put(&ek->h, &svc_expkey_cache);
+		if (err)
 			goto out;
-		}
 
 		dprintk("Found the path %s\n", buf);
 		key.ek_path = nd.path;
 
 		ek = svc_expkey_update(&key, ek);
-		if (ek)
-			cache_put(&ek->h, &svc_expkey_cache);
-		else
+		if (!ek)
 			err = -ENOMEM;
 		path_put(&nd.path);
 	}
 	cache_flush();
  out:
+	if (ek)
+		cache_put(&ek->h, &svc_expkey_cache);
 	if (dom)
 		auth_domain_put(dom);
 	kfree(buf);
-- 
GitLab


From c429a247f56d277f12eaffd6525922353e9539a5 Mon Sep 17 00:00:00 2001
From: Seth Heasley <seth.heasley@intel.com>
Date: Wed, 22 Oct 2008 20:21:29 +0200
Subject: [PATCH 1892/2224] i2c-i801: Add support for Intel Ibex Peak

Adds the Intel Ibex Peak (PCH) SMBus Controller Device IDs.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/i2c/busses/i2c-i801 | 7 ++++---
 drivers/i2c/busses/Kconfig        | 1 +
 drivers/i2c/busses/i2c-i801.c     | 3 +++
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index c31e0291e16..81c0c59a60e 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -13,8 +13,9 @@ Supported adapters:
   * Intel 631xESB/632xESB (ESB2)
   * Intel 82801H (ICH8)
   * Intel 82801I (ICH9)
-  * Intel Tolapai
-  * Intel ICH10
+  * Intel EP80579 (Tolapai)
+  * Intel 82801JI (ICH10)
+  * Intel PCH
    Datasheets: Publicly available at the Intel website
 
 Authors: 
@@ -32,7 +33,7 @@ Description
 -----------
 
 The ICH (properly known as the 82801AA), ICH0 (82801AB), ICH2 (82801BA),
-ICH3 (82801CA/CAM) and later devices are Intel chips that are a part of
+ICH3 (82801CA/CAM) and later devices (PCH) are Intel chips that are a part of
 Intel's '810' chipset for Celeron-based PCs, '810E' chipset for
 Pentium-based PCs, '815E' chipset, and others.
 
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index acadbc51fc0..7f95905bbb9 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -97,6 +97,7 @@ config I2C_I801
 	    ICH9
 	    Tolapai
 	    ICH10
+	    PCH
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-i801.
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index dc7ea32b69a..5123eb69a97 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -41,6 +41,7 @@
   Tolapai               0x5032     32     hard     yes     yes     yes
   ICH10                 0x3a30     32     hard     yes     yes     yes
   ICH10                 0x3a60     32     hard     yes     yes     yes
+  PCH                   0x3b30     32     hard     yes     yes     yes
 
   Features supported by this driver:
   Software PEC                     no
@@ -576,6 +577,7 @@ static struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TOLAPAI_1) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_5) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PCH_SMBUS) },
 	{ 0, }
 };
 
@@ -599,6 +601,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
 	case PCI_DEVICE_ID_INTEL_TOLAPAI_1:
 	case PCI_DEVICE_ID_INTEL_ICH10_4:
 	case PCI_DEVICE_ID_INTEL_ICH10_5:
+	case PCI_DEVICE_ID_INTEL_PCH_SMBUS:
 		i801_features |= FEATURE_I2C_BLOCK_READ;
 		/* fall through */
 	case PCI_DEVICE_ID_INTEL_82801DB_3:
-- 
GitLab


From 08e5338d119daeb3c7746fa80fa916b8d3d48e89 Mon Sep 17 00:00:00 2001
From: David Miller <davem@davemloft.net>
Date: Wed, 22 Oct 2008 20:21:29 +0200
Subject: [PATCH 1893/2224] i2c-algo-pcf: Pass adapter data into ->waitforpin()
 method

Pass adapter data into ->waitforpin() method.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/algos/i2c-algo-pcf.c | 2 +-
 drivers/i2c/busses/i2c-elektor.c | 3 ++-
 include/linux/i2c-algo-pcf.h     | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index 1e328d19cd6..a8a5b6d1dd8 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -135,7 +135,7 @@ static int wait_for_pin(struct i2c_algo_pcf_data *adap, int *status) {
 	*status = get_pcf(adap, 1);
 #ifndef STUB_I2C
 	while (timeout-- && (*status & I2C_PCF_PIN)) {
-		adap->waitforpin();
+		adap->waitforpin(adap->data);
 		*status = get_pcf(adap, 1);
 	}
 	if (*status & I2C_PCF_LAB) {
diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c
index 7f38c01fb3a..0ed3ccb81b6 100644
--- a/drivers/i2c/busses/i2c-elektor.c
+++ b/drivers/i2c/busses/i2c-elektor.c
@@ -104,7 +104,8 @@ static int pcf_isa_getclock(void *data)
 	return (clock);
 }
 
-static void pcf_isa_waitforpin(void) {
+static void pcf_isa_waitforpin(void *data)
+{
 	DEFINE_WAIT(wait);
 	int timeout = 2;
 	unsigned long flags;
diff --git a/include/linux/i2c-algo-pcf.h b/include/linux/i2c-algo-pcf.h
index 0177d280f73..5de8a319bf1 100644
--- a/include/linux/i2c-algo-pcf.h
+++ b/include/linux/i2c-algo-pcf.h
@@ -31,7 +31,7 @@ struct i2c_algo_pcf_data {
 	int  (*getpcf) (void *data, int ctl);
 	int  (*getown) (void *data);
 	int  (*getclock) (void *data);
-	void (*waitforpin) (void);
+	void (*waitforpin) (void *data);
 
 	/* Multi-master lost arbitration back-off delay (msecs)
 	 * This should be set by the bus adapter or knowledgable client
-- 
GitLab


From 30091404af5a7cd515e7b565df76932e295d8f6f Mon Sep 17 00:00:00 2001
From: David Miller <davem@davemloft.net>
Date: Wed, 22 Oct 2008 20:21:30 +0200
Subject: [PATCH 1894/2224] i2c-algo-pcf: Add adapter hooks around xfer begin
 and end

Some I2C bus implementations need to synchronize with external
entities, such as system firmware, which might also be programming the
same I2C bus.

In order to facilitate this add ->xfer_begin() and ->xfer_end() hooks
which are invoked around pcf_xfer().

[JD: Make these hooks optional.]

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/algos/i2c-algo-pcf.c | 17 +++++++++++++----
 include/linux/i2c-algo-pcf.h     |  3 +++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index a8a5b6d1dd8..b8a6f3bcbae 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -331,13 +331,16 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 	int i;
 	int ret=0, timeout, status;
     
+	if (adap->xfer_begin)
+		adap->xfer_begin(adap->data);
 
 	/* Check for bus busy */
 	timeout = wait_for_bb(adap);
 	if (timeout) {
 		DEB2(printk(KERN_ERR "i2c-algo-pcf.o: "
 		            "Timeout waiting for BB in pcf_xfer\n");)
-		return -EIO;
+		i = -EIO;
+		goto out;
 	}
 	
 	for (i = 0;ret >= 0 && i < num; i++) {
@@ -359,12 +362,14 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 		if (timeout) {
 			if (timeout == -EINTR) {
 				/* arbitration lost */
-				return (-EINTR);
+				i = -EINTR;
+				goto out;
 			}
 			i2c_stop(adap);
 			DEB2(printk(KERN_ERR "i2c-algo-pcf.o: Timeout waiting "
 				    "for PIN(1) in pcf_xfer\n");)
-			return (-EREMOTEIO);
+			i = -EREMOTEIO;
+			goto out;
 		}
     
 #ifndef STUB_I2C
@@ -372,7 +377,8 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 		if (status & I2C_PCF_LRB) {
 			i2c_stop(adap);
 			DEB2(printk(KERN_ERR "i2c-algo-pcf.o: No LRB(1) in pcf_xfer\n");)
-			return (-EREMOTEIO);
+			i = -EREMOTEIO;
+			goto out;
 		}
 #endif
     
@@ -404,6 +410,9 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
 		}
 	}
 
+out:
+	if (adap->xfer_end)
+		adap->xfer_end(adap->data);
 	return (i);
 }
 
diff --git a/include/linux/i2c-algo-pcf.h b/include/linux/i2c-algo-pcf.h
index 5de8a319bf1..0f91a957a69 100644
--- a/include/linux/i2c-algo-pcf.h
+++ b/include/linux/i2c-algo-pcf.h
@@ -33,6 +33,9 @@ struct i2c_algo_pcf_data {
 	int  (*getclock) (void *data);
 	void (*waitforpin) (void *data);
 
+	void (*xfer_begin) (void *data);
+	void (*xfer_end) (void *data);
+
 	/* Multi-master lost arbitration back-off delay (msecs)
 	 * This should be set by the bus adapter or knowledgable client
 	 * if bus is multi-mastered, else zero
-- 
GitLab


From a672b4c1b27c88062427b32e6392ea9a2a438b15 Mon Sep 17 00:00:00 2001
From: David Miller <davem@davemloft.net>
Date: Wed, 22 Oct 2008 20:21:30 +0200
Subject: [PATCH 1895/2224] i2c-algo-pcf: Fix typo in debugging log message

Fix typo in debugging log message.

deteted --> detected

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/algos/i2c-algo-pcf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index b8a6f3bcbae..3e01992230b 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -208,7 +208,7 @@ static int pcf_init_8584 (struct i2c_algo_pcf_data *adap)
 		return -ENXIO;
 	}
 	
-	printk(KERN_DEBUG "i2c-algo-pcf.o: deteted and initialized PCF8584.\n");
+	printk(KERN_DEBUG "i2c-algo-pcf.o: detected and initialized PCF8584.\n");
 
 	return 0;
 }
-- 
GitLab


From 14f55f7a033f86a4e8f0310dd4d54b5464322e6e Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Wed, 22 Oct 2008 20:21:30 +0200
Subject: [PATCH 1896/2224] i2c: Make clear what the class field of i2c_adapter
 is good for

Make clear what the class field of i2c_adapter is good for.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 include/linux/i2c.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 06115128047..4ac8ec3c792 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -345,7 +345,7 @@ struct i2c_algorithm {
 struct i2c_adapter {
 	struct module *owner;
 	unsigned int id;
-	unsigned int class;
+	unsigned int class;		  /* classes to allow probing for */
 	const struct i2c_algorithm *algo; /* the algorithm to access the bus */
 	void *algo_data;
 
-- 
GitLab


From d955cafb5c288aee4d71fc8759943e3f6cc9331d Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 22 Oct 2008 20:21:30 +0200
Subject: [PATCH 1897/2224] i2c: Delete outdated client porting guide

The document describing how to port i2c chip drivers from Linux 2.4 to
Linux 2.6 is outdated. As I suspect that most drivers that had to be
ported have already been by now, I do not want to spend time updating
it. Let's just delete it instead.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/i2c/porting-clients | 160 ------------------------------
 1 file changed, 160 deletions(-)
 delete mode 100644 Documentation/i2c/porting-clients

diff --git a/Documentation/i2c/porting-clients b/Documentation/i2c/porting-clients
deleted file mode 100644
index 7bf82c08f6c..00000000000
--- a/Documentation/i2c/porting-clients
+++ /dev/null
@@ -1,160 +0,0 @@
-Revision 7, 2007-04-19
-Jean Delvare <khali@linux-fr.org>
-Greg KH <greg@kroah.com>
-
-This is a guide on how to convert I2C chip drivers from Linux 2.4 to
-Linux 2.6. I have been using existing drivers (lm75, lm78) as examples.
-Then I converted a driver myself (lm83) and updated this document.
-Note that this guide is strongly oriented towards hardware monitoring
-drivers. Many points are still valid for other type of drivers, but
-others may be irrelevant.
-
-There are two sets of points below. The first set concerns technical
-changes. The second set concerns coding policy. Both are mandatory.
-
-Although reading this guide will help you porting drivers, I suggest
-you keep an eye on an already ported driver while porting your own
-driver. This will help you a lot understanding what this guide
-exactly means. Choose the chip driver that is the more similar to
-yours for best results.
-
-Technical changes:
-
-* [Driver type] Any driver that was relying on i2c-isa has to be
-  converted to a proper isa, platform or pci driver. This is not
-  covered by this guide.
-
-* [Includes] Get rid of "version.h" and <linux/i2c-proc.h>.
-  Includes typically look like that:
-  #include <linux/module.h>
-  #include <linux/init.h>
-  #include <linux/slab.h>
-  #include <linux/jiffies.h>
-  #include <linux/i2c.h>
-  #include <linux/hwmon.h>	/* for hardware monitoring drivers */
-  #include <linux/hwmon-sysfs.h>
-  #include <linux/hwmon-vid.h>	/* if you need VRM support */
-  #include <linux/err.h>	/* for class registration */
-  Please respect this inclusion order. Some extra headers may be
-  required for a given driver (e.g. "lm75.h").
-
-* [Addresses] SENSORS_I2C_END becomes I2C_CLIENT_END, ISA addresses
-  are no more handled by the i2c core. Address ranges are no more
-  supported either, define each individual address separately.
-  SENSORS_INSMOD_<n> becomes I2C_CLIENT_INSMOD_<n>.
-
-* [Client data] Get rid of sysctl_id. Try using standard names for
-  register values (for example, temp_os becomes temp_max). You're
-  still relatively free here, but you *have* to follow the standard
-  names for sysfs files (see the Sysctl section below).
-
-* [Function prototypes] The detect functions loses its flags
-  parameter. Sysctl (e.g. lm75_temp) and miscellaneous functions
-  are off the list of prototypes. This usually leaves five
-  prototypes:
-  static int lm75_attach_adapter(struct i2c_adapter *adapter);
-  static int lm75_detect(struct i2c_adapter *adapter, int address,
-      int kind);
-  static void lm75_init_client(struct i2c_client *client);
-  static int lm75_detach_client(struct i2c_client *client);
-  static struct lm75_data lm75_update_device(struct device *dev);
-
-* [Sysctl] All sysctl stuff is of course gone (defines, ctl_table
-  and functions). Instead, you have to define show and set functions for
-  each sysfs file. Only define set for writable values. Take a look at an
-  existing 2.6 driver for details (it87 for example). Don't forget
-  to define the attributes for each file (this is that step that
-  links callback functions). Use the file names specified in
-  Documentation/hwmon/sysfs-interface for the individual files. Also
-  convert the units these files read and write to the specified ones.
-  If you need to add a new type of file, please discuss it on the
-  sensors mailing list <lm-sensors@lm-sensors.org> by providing a
-  patch to the Documentation/hwmon/sysfs-interface file.
-
-* [Attach] The attach function should make sure that the adapter's
-  class has I2C_CLASS_HWMON (or whatever class is suitable for your
-  driver), using the following construct:
-  if (!(adapter->class & I2C_CLASS_HWMON))
-          return 0;
-  Call i2c_probe() instead of i2c_detect().
-
-* [Detect] As mentioned earlier, the flags parameter is gone.
-  The type_name and client_name strings are replaced by a single
-  name string, which will be filled with a lowercase, short string.
-  The labels used for error paths are reduced to the number needed.
-  It is advised that the labels are given descriptive names such as
-  exit and exit_free. Don't forget to properly set err before
-  jumping to error labels. By the way, labels should be left-aligned.
-  Use kzalloc instead of kmalloc.
-  Use i2c_set_clientdata to set the client data (as opposed to
-  a direct access to client->data).
-  Use strlcpy instead of strcpy or snprintf to copy the client name.
-  Replace the sysctl directory registration by calls to
-  device_create_file. Move the driver initialization before any
-  sysfs file creation.
-  Register the client with the hwmon class (using hwmon_device_register)
-  if applicable.
-  Drop client->id.
-  Drop any 24RF08 corruption prevention you find, as this is now done
-  at the i2c-core level, and doing it twice voids it.
-  Don't add I2C_CLIENT_ALLOW_USE to client->flags, it's the default now.
-
-* [Init] Limits must not be set by the driver (can be done later in
-  user-space). Chip should not be reset default (although a module
-  parameter may be used to force it), and initialization should be
-  limited to the strictly necessary steps.
-
-* [Detach] Remove the call to i2c_deregister_entry. Do not log an
-  error message if i2c_detach_client fails, as i2c-core will now do
-  it for you.
-  Unregister from the hwmon class if applicable.
-
-* [Update] The function prototype changed, it is now
-  passed a device structure, which you have to convert to a client
-  using to_i2c_client(dev). The update function should return a
-  pointer to the client data.
-  Don't access client->data directly, use i2c_get_clientdata(client)
-  instead.
-  Use time_after() instead of direct jiffies comparison.
-
-* [Interface] Make sure there is a MODULE_LICENSE() line, at the bottom
-  of the file (after MODULE_AUTHOR() and MODULE_DESCRIPTION(), in this
-  order).
-
-* [Driver] The flags field of the i2c_driver structure is gone.
-  I2C_DF_NOTIFY is now the default behavior.
-  The i2c_driver structure has a driver member, which is itself a
-  structure, those name member should be initialized to a driver name
-  string. i2c_driver itself has no name member anymore.
-
-* [Driver model] Instead of shutdown or reboot notifiers, provide a
-  shutdown() method in your driver.
-
-* [Power management] Use the driver model suspend() and resume()
-  callbacks instead of the obsolete pm_register() calls.
-
-Coding policy:
-
-* [Copyright] Use (C), not (c), for copyright.
-
-* [Debug/log] Get rid of #ifdef DEBUG/#endif constructs whenever you
-  can. Calls to printk for debugging purposes are replaced by calls to
-  dev_dbg where possible, else to pr_debug. Here is an example of how
-  to call it (taken from lm75_detect):
-  dev_dbg(&client->dev, "Starting lm75 update\n");
-  Replace other printk calls with the dev_info, dev_err or dev_warn
-  function, as appropriate.
-
-* [Constants] Constants defines (registers, conversions) should be
-  aligned. This greatly improves readability.
-  Alignments are achieved by the means of tabs, not spaces. Remember
-  that tabs are set to 8 in the Linux kernel code.
-
-* [Layout] Avoid extra empty lines between comments and what they
-  comment. Respect the coding style (see Documentation/CodingStyle),
-  in particular when it comes to placing curly braces.
-
-* [Comments] Make sure that no comment refers to a file that isn't
-  part of the Linux source tree (typically doc/chips/<chip name>),
-  and that remaining comments still match the code. Merging comment
-  lines when possible is encouraged.
-- 
GitLab


From 7d1d8999b4bec0ba09f935e648a688bb25596d06 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 22 Oct 2008 20:21:31 +0200
Subject: [PATCH 1898/2224] i2c: Constify i2c_get_clientdata's parameter

i2c_get_clientdata doesn't change the i2c_client it is passed as a
parameter, so it can be constified. Same for i2c_get_adapdata.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/i2c/writing-clients | 2 +-
 include/linux/device.h            | 2 +-
 include/linux/i2c.h               | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index d73ee117a8c..3b01350c149 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -83,7 +83,7 @@ be very useful.
 	void i2c_set_clientdata(struct i2c_client *client, void *data);
 
 	/* retrieve the value */
-	void *i2c_get_clientdata(struct i2c_client *client);
+	void *i2c_get_clientdata(const struct i2c_client *client);
 
 An example structure is below.
 
diff --git a/include/linux/device.h b/include/linux/device.h
index 987f5912720..1a3686d15f9 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -450,7 +450,7 @@ static inline void set_dev_node(struct device *dev, int node)
 }
 #endif
 
-static inline void *dev_get_drvdata(struct device *dev)
+static inline void *dev_get_drvdata(const struct device *dev)
 {
 	return dev->driver_data;
 }
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 4ac8ec3c792..a411f0b70e8 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -224,7 +224,7 @@ static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
 	return to_i2c_client(dev);
 }
 
-static inline void *i2c_get_clientdata (struct i2c_client *dev)
+static inline void *i2c_get_clientdata(const struct i2c_client *dev)
 {
 	return dev_get_drvdata (&dev->dev);
 }
@@ -369,7 +369,7 @@ struct i2c_adapter {
 };
 #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
 
-static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
+static inline void *i2c_get_adapdata(const struct i2c_adapter *dev)
 {
 	return dev_get_drvdata (&dev->dev);
 }
-- 
GitLab


From e313353dd4fcb1ab568ab20339380063307ebec9 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 22 Oct 2008 20:21:31 +0200
Subject: [PATCH 1899/2224] i2c: Delete legacy model documentation

The legacy i2c binding model is deprecated and will be removed soon,
so we no longer need to document it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/i2c/writing-clients | 255 ++----------------------------
 1 file changed, 14 insertions(+), 241 deletions(-)

diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index 3b01350c149..c3e18857768 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -25,8 +25,6 @@ routines, and should be zero-initialized except for fields with data you
 provide.  A client structure holds device-specific information like the
 driver model device node, and its I2C address.
 
-/* iff driver uses driver model ("new style") binding model: */
-
 static struct i2c_device_id foo_idtable[] = {
 	{ "foo", my_id_for_foo },
 	{ "bar", my_id_for_bar },
@@ -40,7 +38,6 @@ static struct i2c_driver foo_driver = {
 		.name	= "foo",
 	},
 
-	/* iff driver uses driver model ("new style") binding model: */
 	.id_table	= foo_ids,
 	.probe		= foo_probe,
 	.remove		= foo_remove,
@@ -49,11 +46,6 @@ static struct i2c_driver foo_driver = {
 	.detect		= foo_detect,
 	.address_data	= &addr_data,
 
-	/* else, driver uses "legacy" binding model: */
-	.attach_adapter	= foo_attach_adapter,
-	.detach_client	= foo_detach_client,
-
-	/* these may be used regardless of the driver binding model */
 	.shutdown	= foo_shutdown,	/* optional */
 	.suspend	= foo_suspend,	/* optional */
 	.resume		= foo_resume,	/* optional */
@@ -88,7 +80,7 @@ be very useful.
 An example structure is below.
 
   struct foo_data {
-    struct i2c_client client;
+    struct i2c_client *client;
     enum chips type;       /* To keep the chips type for `sensors' drivers. */
    
     /* Because the i2c bus is slow, it is often useful to cache the read
@@ -144,10 +136,10 @@ Probing and attaching
 =====================
 
 The Linux I2C stack was originally written to support access to hardware
-monitoring chips on PC motherboards, and thus it embeds some assumptions
-that are more appropriate to SMBus (and PCs) than to I2C.  One of these
-assumptions is that most adapters and devices drivers support the SMBUS_QUICK
-protocol to probe device presence.  Another is that devices and their drivers
+monitoring chips on PC motherboards, and thus used to embed some assumptions
+that were more appropriate to SMBus (and PCs) than to I2C.  One of these
+assumptions was that most adapters and devices drivers support the SMBUS_QUICK
+protocol to probe device presence.  Another was that devices and their drivers
 can be sufficiently configured using only such probe primitives.
 
 As Linux and its I2C stack became more widely used in embedded systems
@@ -164,6 +156,9 @@ since the "legacy" model requires drivers to create "i2c_client" device
 objects after SMBus style probing, while the Linux driver model expects
 drivers to be given such device objects in their probe() routines.
 
+The legacy model is deprecated now and will soon be removed, so we no
+longer document it here.
+
 
 Standard Driver Model Binding ("New Style")
 -------------------------------------------
@@ -193,8 +188,8 @@ matches the device's name. It is passed the entry that was matched so
 the driver knows which one in the table matched.
 
 
-Device Creation (Standard driver model)
----------------------------------------
+Device Creation
+---------------
 
 If you know for a fact that an I2C device is connected to a given I2C bus,
 you can instantiate that device by simply filling an i2c_board_info
@@ -221,8 +216,8 @@ in the I2C bus driver. You may want to save the returned i2c_client
 reference for later use.
 
 
-Device Detection (Standard driver model)
-----------------------------------------
+Device Detection
+----------------
 
 Sometimes you do not know in advance which I2C devices are connected to
 a given I2C bus.  This is for example the case of hardware monitoring
@@ -246,8 +241,8 @@ otherwise misdetections are likely to occur and things can get wrong
 quickly.
 
 
-Device Deletion (Standard driver model)
----------------------------------------
+Device Deletion
+---------------
 
 Each I2C device which has been created using i2c_new_device() or
 i2c_new_probed_device() can be unregistered by calling
@@ -256,228 +251,6 @@ called automatically before the underlying I2C bus itself is removed, as a
 device can't survive its parent in the device driver model.
 
 
-Legacy Driver Binding Model
----------------------------
-
-Most i2c devices can be present on several i2c addresses; for some this
-is determined in hardware (by soldering some chip pins to Vcc or Ground),
-for others this can be changed in software (by writing to specific client
-registers). Some devices are usually on a specific address, but not always;
-and some are even more tricky. So you will probably need to scan several
-i2c addresses for your clients, and do some sort of detection to see
-whether it is actually a device supported by your driver.
-
-To give the user a maximum of possibilities, some default module parameters
-are defined to help determine what addresses are scanned. Several macros
-are defined in i2c.h to help you support them, as well as a generic
-detection algorithm.
-
-You do not have to use this parameter interface; but don't try to use
-function i2c_probe() if you don't.
-
-
-Probing classes (Legacy model)
-------------------------------
-
-All parameters are given as lists of unsigned 16-bit integers. Lists are
-terminated by I2C_CLIENT_END.
-The following lists are used internally:
-
-  normal_i2c: filled in by the module writer. 
-     A list of I2C addresses which should normally be examined.
-   probe: insmod parameter. 
-     A list of pairs. The first value is a bus number (-1 for any I2C bus), 
-     the second is the address. These addresses are also probed, as if they 
-     were in the 'normal' list.
-   ignore: insmod parameter.
-     A list of pairs. The first value is a bus number (-1 for any I2C bus), 
-     the second is the I2C address. These addresses are never probed. 
-     This parameter overrules the 'normal_i2c' list only.
-   force: insmod parameter. 
-     A list of pairs. The first value is a bus number (-1 for any I2C bus),
-     the second is the I2C address. A device is blindly assumed to be on
-     the given address, no probing is done. 
-
-Additionally, kind-specific force lists may optionally be defined if
-the driver supports several chip kinds. They are grouped in a
-NULL-terminated list of pointers named forces, those first element if the
-generic force list mentioned above. Each additional list correspond to an
-insmod parameter of the form force_<kind>.
-
-Fortunately, as a module writer, you just have to define the `normal_i2c' 
-parameter. The complete declaration could look like this:
-
-  /* Scan 0x4c to 0x4f */
-  static const unsigned short normal_i2c[] = { 0x4c, 0x4d, 0x4e, 0x4f,
-                                               I2C_CLIENT_END };
-
-  /* Magic definition of all other variables and things */
-  I2C_CLIENT_INSMOD;
-  /* Or, if your driver supports, say, 2 kind of devices: */
-  I2C_CLIENT_INSMOD_2(foo, bar);
-
-If you use the multi-kind form, an enum will be defined for you:
-  enum chips { any_chip, foo, bar, ... }
-You can then (and certainly should) use it in the driver code.
-
-Note that you *have* to call the defined variable `normal_i2c',
-without any prefix!
-
-
-Attaching to an adapter (Legacy model)
---------------------------------------
-
-Whenever a new adapter is inserted, or for all adapters if the driver is
-being registered, the callback attach_adapter() is called. Now is the
-time to determine what devices are present on the adapter, and to register
-a client for each of them.
-
-The attach_adapter callback is really easy: we just call the generic
-detection function. This function will scan the bus for us, using the
-information as defined in the lists explained above. If a device is
-detected at a specific address, another callback is called.
-
-  int foo_attach_adapter(struct i2c_adapter *adapter)
-  {
-    return i2c_probe(adapter,&addr_data,&foo_detect_client);
-  }
-
-Remember, structure `addr_data' is defined by the macros explained above,
-so you do not have to define it yourself.
-
-The i2c_probe function will call the foo_detect_client
-function only for those i2c addresses that actually have a device on
-them (unless a `force' parameter was used). In addition, addresses that
-are already in use (by some other registered client) are skipped.
-
-
-The detect client function (Legacy model)
------------------------------------------
-
-The detect client function is called by i2c_probe. The `kind' parameter
-contains -1 for a probed detection, 0 for a forced detection, or a positive
-number for a forced detection with a chip type forced.
-
-Returning an error different from -ENODEV in a detect function will cause
-the detection to stop: other addresses and adapters won't be scanned.
-This should only be done on fatal or internal errors, such as a memory
-shortage or i2c_attach_client failing.
-
-For now, you can ignore the `flags' parameter. It is there for future use.
-
-  int foo_detect_client(struct i2c_adapter *adapter, int address, 
-                        int kind)
-  {
-    int err = 0;
-    int i;
-    struct i2c_client *client;
-    struct foo_data *data;
-    const char *name = "";
-   
-    /* Let's see whether this adapter can support what we need.
-       Please substitute the things you need here! */
-    if (!i2c_check_functionality(adapter,I2C_FUNC_SMBUS_WORD_DATA |
-                                        I2C_FUNC_SMBUS_WRITE_BYTE))
-       goto ERROR0;
-
-    /* OK. For now, we presume we have a valid client. We now create the
-       client structure, even though we cannot fill it completely yet.
-       But it allows us to access several i2c functions safely */
-    
-    if (!(data = kzalloc(sizeof(struct foo_data), GFP_KERNEL))) {
-      err = -ENOMEM;
-      goto ERROR0;
-    }
-
-    client = &data->client;
-    i2c_set_clientdata(client, data);
-
-    client->addr = address;
-    client->adapter = adapter;
-    client->driver = &foo_driver;
-
-    /* Now, we do the remaining detection. If no `force' parameter is used. */
-
-    /* First, the generic detection (if any), that is skipped if any force
-       parameter was used. */
-    if (kind < 0) {
-      /* The below is of course bogus */
-      if (foo_read(client, FOO_REG_GENERIC) != FOO_GENERIC_VALUE)
-         goto ERROR1;
-    }
-
-    /* Next, specific detection. This is especially important for `sensors'
-       devices. */
-
-    /* Determine the chip type. Not needed if a `force_CHIPTYPE' parameter
-       was used. */
-    if (kind <= 0) {
-      i = foo_read(client, FOO_REG_CHIPTYPE);
-      if (i == FOO_TYPE_1) 
-        kind = chip1; /* As defined in the enum */
-      else if (i == FOO_TYPE_2)
-        kind = chip2;
-      else {
-        printk("foo: Ignoring 'force' parameter for unknown chip at "
-               "adapter %d, address 0x%02x\n",i2c_adapter_id(adapter),address);
-        goto ERROR1;
-      }
-    }
-
-    /* Now set the type and chip names */
-    if (kind == chip1) {
-      name = "chip1";
-    } else if (kind == chip2) {
-      name = "chip2";
-    }
-   
-    /* Fill in the remaining client fields. */
-    strlcpy(client->name, name, I2C_NAME_SIZE);
-    data->type = kind;
-    mutex_init(&data->update_lock); /* Only if you use this field */
-
-    /* Any other initializations in data must be done here too. */
-
-    /* This function can write default values to the client registers, if
-       needed. */
-    foo_init_client(client);
-
-    /* Tell the i2c layer a new client has arrived */
-    if ((err = i2c_attach_client(client)))
-      goto ERROR1;
-
-    return 0;
-
-    /* OK, this is not exactly good programming practice, usually. But it is
-       very code-efficient in this case. */
-
-    ERROR1:
-      kfree(data);
-    ERROR0:
-      return err;
-  }
-
-
-Removing the client (Legacy model)
-==================================
-
-The detach_client call back function is called when a client should be
-removed. It may actually fail, but only when panicking. This code is
-much simpler than the attachment code, fortunately!
-
-  int foo_detach_client(struct i2c_client *client)
-  {
-    int err;
-
-    /* Try to detach the client from i2c space */
-    if ((err = i2c_detach_client(client)))
-      return err;
-
-    kfree(i2c_get_clientdata(client));
-    return 0;
-  }
-
-
 Initializing the module or kernel
 =================================
 
-- 
GitLab


From c0589d4bc19294a49934af1be736eb6e9ad11673 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 22 Oct 2008 20:21:31 +0200
Subject: [PATCH 1900/2224] i2c: Drop 2-byte address block transfer defines

We have no users and no implementers for these transfer types so it
makes little sense to define functionality bits for them.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 include/linux/i2c.h | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index a411f0b70e8..7d21aba819f 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -541,8 +541,6 @@ struct i2c_msg {
 #define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK	0x04000000 /* I2C-like block xfer  */
 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK	0x08000000 /* w/ 1-byte reg. addr. */
-#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2	 0x10000000 /* I2C-like block xfer  */
-#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2 0x20000000 /* w/ 2-byte reg. addr. */
 
 #define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
                              I2C_FUNC_SMBUS_WRITE_BYTE)
@@ -554,8 +552,6 @@ struct i2c_msg {
                                    I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
 #define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
                                   I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
-#define I2C_FUNC_SMBUS_I2C_BLOCK_2 (I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 | \
-                                    I2C_FUNC_SMBUS_WRITE_I2C_BLOCK_2)
 
 #define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
                              I2C_FUNC_SMBUS_BYTE | \
-- 
GitLab


From 0e47858da4b6825e1f1aede74742c7dd6d4ee476 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 22 Oct 2008 20:21:32 +0200
Subject: [PATCH 1901/2224] i2c: Update and clean up writing-clients document

* Strip trailing white space.
* Remove out-of-date or irrelevant parts.
* Insist on the fact that command is deprecated.
* Fix spelling mistakes and typos.
* Reformat code examples and function prototypes to comply with the
  kernel coding style.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/i2c/writing-clients | 226 +++++++++++++-----------------
 1 file changed, 97 insertions(+), 129 deletions(-)

diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index c3e18857768..6b9af7d479c 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -10,17 +10,17 @@ General remarks
 ===============
 
 Try to keep the kernel namespace as clean as possible. The best way to
-do this is to use a unique prefix for all global symbols. This is 
+do this is to use a unique prefix for all global symbols. This is
 especially important for exported symbols, but it is a good idea to do
 it for non-exported symbols too. We will use the prefix `foo_' in this
-tutorial, and `FOO_' for preprocessor variables.
+tutorial.
 
 
 The driver structure
 ====================
 
 Usually, you will implement a single driver structure, and instantiate
-all clients from it. Remember, a driver structure contains general access 
+all clients from it. Remember, a driver structure contains general access
 routines, and should be zero-initialized except for fields with data you
 provide.  A client structure holds device-specific information like the
 driver model device node, and its I2C address.
@@ -49,16 +49,16 @@ static struct i2c_driver foo_driver = {
 	.shutdown	= foo_shutdown,	/* optional */
 	.suspend	= foo_suspend,	/* optional */
 	.resume		= foo_resume,	/* optional */
-	.command	= foo_command,	/* optional */
+	.command	= foo_command,	/* optional, deprecated */
 }
- 
+
 The name field is the driver name, and must not contain spaces.  It
 should match the module name (if the driver can be compiled as a module),
 although you can use MODULE_ALIAS (passing "foo" in this example) to add
 another name for the module.  If the driver name doesn't match the module
 name, the module won't be automatically loaded (hotplug/coldplug).
 
-All other fields are for call-back functions which will be explained 
+All other fields are for call-back functions which will be explained
 below.
 
 
@@ -66,10 +66,7 @@ Extra client data
 =================
 
 Each client structure has a special `data' field that can point to any
-structure at all.  You should use this to keep device-specific data,
-especially in drivers that handle multiple I2C or SMBUS devices.  You
-do not always need this, but especially for `sensors' drivers, it can
-be very useful.
+structure at all.  You should use this to keep device-specific data.
 
 	/* store the value */
 	void i2c_set_clientdata(struct i2c_client *client, void *data);
@@ -77,35 +74,15 @@ be very useful.
 	/* retrieve the value */
 	void *i2c_get_clientdata(const struct i2c_client *client);
 
-An example structure is below.
-
-  struct foo_data {
-    struct i2c_client *client;
-    enum chips type;       /* To keep the chips type for `sensors' drivers. */
-   
-    /* Because the i2c bus is slow, it is often useful to cache the read
-       information of a chip for some time (for example, 1 or 2 seconds).
-       It depends of course on the device whether this is really worthwhile
-       or even sensible. */
-    struct mutex update_lock;     /* When we are reading lots of information,
-                                     another process should not update the
-                                     below information */
-    char valid;                   /* != 0 if the following fields are valid. */
-    unsigned long last_updated;   /* In jiffies */
-    /* Add the read information here too */
-  };
-
 
 Accessing the client
 ====================
 
 Let's say we have a valid client structure. At some time, we will need
 to gather information from the client, or write new information to the
-client. How we will export this information to user-space is less 
-important at this moment (perhaps we do not need to do this at all for
-some obscure clients). But we need generic reading and writing routines.
+client.
 
-I have found it useful to define foo_read and foo_write function for this.
+I have found it useful to define foo_read and foo_write functions for this.
 For some cases, it will be easier to call the i2c functions directly,
 but many chips have some kind of register-value idea that can easily
 be encapsulated.
@@ -113,23 +90,23 @@ be encapsulated.
 The below functions are simple examples, and should not be copied
 literally.
 
-  int foo_read_value(struct i2c_client *client, u8 reg)
-  {
-    if (reg < 0x10) /* byte-sized register */
-      return i2c_smbus_read_byte_data(client,reg);
-    else /* word-sized register */
-      return i2c_smbus_read_word_data(client,reg);
-  }
-
-  int foo_write_value(struct i2c_client *client, u8 reg, u16 value)
-  {
-    if (reg == 0x10) /* Impossible to write - driver error! */ {
-      return -1;
-    else if (reg < 0x10) /* byte-sized register */
-      return i2c_smbus_write_byte_data(client,reg,value);
-    else /* word-sized register */
-      return i2c_smbus_write_word_data(client,reg,value);
-  }
+int foo_read_value(struct i2c_client *client, u8 reg)
+{
+	if (reg < 0x10)	/* byte-sized register */
+		return i2c_smbus_read_byte_data(client, reg);
+	else		/* word-sized register */
+		return i2c_smbus_read_word_data(client, reg);
+}
+
+int foo_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+	if (reg == 0x10)	/* Impossible to write - driver error! */
+		return -EINVAL;
+	else if (reg < 0x10)	/* byte-sized register */
+		return i2c_smbus_write_byte_data(client, reg, value);
+	else			/* word-sized register */
+		return i2c_smbus_write_word_data(client, reg, value);
+}
 
 
 Probing and attaching
@@ -251,42 +228,37 @@ called automatically before the underlying I2C bus itself is removed, as a
 device can't survive its parent in the device driver model.
 
 
-Initializing the module or kernel
-=================================
+Initializing the driver
+=======================
 
-When the kernel is booted, or when your foo driver module is inserted, 
-you have to do some initializing. Fortunately, just attaching (registering)
-the driver module is usually enough.
+When the kernel is booted, or when your foo driver module is inserted,
+you have to do some initializing. Fortunately, just registering the
+driver module is usually enough.
 
-  static int __init foo_init(void)
-  {
-    int res;
-    
-    if ((res = i2c_add_driver(&foo_driver))) {
-      printk("foo: Driver registration failed, module not inserted.\n");
-      return res;
-    }
-    return 0;
-  }
+static int __init foo_init(void)
+{
+	return i2c_add_driver(&foo_driver);
+}
 
-  static void __exit foo_cleanup(void)
-  {
-    i2c_del_driver(&foo_driver);
-  }
+static void __exit foo_cleanup(void)
+{
+	i2c_del_driver(&foo_driver);
+}
 
-  /* Substitute your own name and email address */
-  MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>"
-  MODULE_DESCRIPTION("Driver for Barf Inc. Foo I2C devices");
+/* Substitute your own name and email address */
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>"
+MODULE_DESCRIPTION("Driver for Barf Inc. Foo I2C devices");
 
-  /* a few non-GPL license types are also allowed */
-  MODULE_LICENSE("GPL");
+/* a few non-GPL license types are also allowed */
+MODULE_LICENSE("GPL");
 
-  module_init(foo_init);
-  module_exit(foo_cleanup);
+module_init(foo_init);
+module_exit(foo_cleanup);
 
-Note that some functions are marked by `__init', and some data structures
-by `__initdata'.  These functions and structures can be removed after
-kernel booting (or module loading) is completed.
+Note that some functions are marked by `__init'.  These functions can
+be removed after kernel booting (or module loading) is completed.
+Likewise, functions marked by `__exit' are dropped by the compiler when
+the code is built into the kernel, as they would never be called.
 
 
 Power Management
@@ -321,33 +293,35 @@ Command function
 
 A generic ioctl-like function call back is supported. You will seldom
 need this, and its use is deprecated anyway, so newer design should not
-use it. Set it to NULL.
+use it.
 
 
 Sending and receiving
 =====================
 
 If you want to communicate with your device, there are several functions
-to do this. You can find all of them in i2c.h.
+to do this. You can find all of them in <linux/i2c.h>.
 
-If you can choose between plain i2c communication and SMBus level
-communication, please use the last. All adapters understand SMBus level
-commands, but only some of them understand plain i2c!
+If you can choose between plain I2C communication and SMBus level
+communication, please use the latter. All adapters understand SMBus level
+commands, but only some of them understand plain I2C!
 
 
-Plain i2c communication
+Plain I2C communication
 -----------------------
 
-  extern int i2c_master_send(struct i2c_client *,const char* ,int);
-  extern int i2c_master_recv(struct i2c_client *,char* ,int);
+	int i2c_master_send(struct i2c_client *client, const char *buf,
+			    int count);
+	int i2c_master_recv(struct i2c_client *client, char *buf, int count);
 
 These routines read and write some bytes from/to a client. The client
 contains the i2c address, so you do not have to include it. The second
-parameter contains the bytes the read/write, the third the length of the
-buffer. Returned is the actual number of bytes read/written.
-  
-  extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msg,
-                          int num);
+parameter contains the bytes to read/write, the third the number of bytes
+to read/write (must be less than the length of the buffer.) Returned is
+the actual number of bytes read/written.
+
+	int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msg,
+			 int num);
 
 This sends a series of messages. Each message can be a read or write,
 and they can be mixed in any way. The transactions are combined: no
@@ -356,49 +330,45 @@ for each message the client address, the number of bytes of the message
 and the message data itself.
 
 You can read the file `i2c-protocol' for more information about the
-actual i2c protocol.
+actual I2C protocol.
 
 
 SMBus communication
 -------------------
 
-  extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr, 
-                             unsigned short flags,
-                             char read_write, u8 command, int size,
-                             union i2c_smbus_data * data);
-
-  This is the generic SMBus function. All functions below are implemented
-  in terms of it. Never use this function directly!
-
-
-  extern s32 i2c_smbus_read_byte(struct i2c_client * client);
-  extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
-  extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
-  extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
-                                       u8 command, u8 value);
-  extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
-  extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
-                                       u8 command, u16 value);
-  extern s32 i2c_smbus_process_call(struct i2c_client *client,
-                                    u8 command, u16 value);
-  extern s32 i2c_smbus_read_block_data(struct i2c_client * client,
-                                       u8 command, u8 *values);
-  extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
-                                        u8 command, u8 length,
-                                        u8 *values);
-  extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
-                                           u8 command, u8 length, u8 *values);
-  extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
-                                            u8 command, u8 length,
-                                            u8 *values);
+	s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
+			   unsigned short flags, char read_write, u8 command,
+			   int size, union i2c_smbus_data *data);
+
+This is the generic SMBus function. All functions below are implemented
+in terms of it. Never use this function directly!
+
+	s32 i2c_smbus_read_byte(struct i2c_client *client);
+	s32 i2c_smbus_write_byte(struct i2c_client *client, u8 value);
+	s32 i2c_smbus_read_byte_data(struct i2c_client *client, u8 command);
+	s32 i2c_smbus_write_byte_data(struct i2c_client *client,
+				      u8 command, u8 value);
+	s32 i2c_smbus_read_word_data(struct i2c_client *client, u8 command);
+	s32 i2c_smbus_write_word_data(struct i2c_client *client,
+				      u8 command, u16 value);
+	s32 i2c_smbus_process_call(struct i2c_client *client,
+				   u8 command, u16 value);
+	s32 i2c_smbus_read_block_data(struct i2c_client *client,
+				      u8 command, u8 *values);
+	s32 i2c_smbus_write_block_data(struct i2c_client *client,
+				       u8 command, u8 length, const u8 *values);
+	s32 i2c_smbus_read_i2c_block_data(struct i2c_client *client,
+					  u8 command, u8 length, u8 *values);
+	s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client,
+					   u8 command, u8 length,
+					   const u8 *values);
 
 These ones were removed from i2c-core because they had no users, but could
 be added back later if needed:
 
-  extern s32 i2c_smbus_write_quick(struct i2c_client * client, u8 value);
-  extern s32 i2c_smbus_block_process_call(struct i2c_client *client,
-                                          u8 command, u8 length,
-                                          u8 *values)
+	s32 i2c_smbus_write_quick(struct i2c_client *client, u8 value);
+	s32 i2c_smbus_block_process_call(struct i2c_client *client,
+					 u8 command, u8 length, u8 *values);
 
 All these transactions return a negative errno value on failure. The 'write'
 transactions return 0 on success; the 'read' transactions return the read
@@ -415,7 +385,5 @@ General purpose routines
 Below all general purpose routines are listed, that were not mentioned
 before.
 
-  /* This call returns a unique low identifier for each registered adapter.
-   */
-  extern int i2c_adapter_id(struct i2c_adapter *adap);
-
+	/* Return the adapter number for a specific adapter */
+	int i2c_adapter_id(struct i2c_adapter *adap);
-- 
GitLab


From 3ae70deef0a5cc34a96aa1972697d01606bc7933 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 22 Oct 2008 20:21:32 +0200
Subject: [PATCH 1902/2224] i2c: Clean up <linux/i2c.h>

Fix most checkpatch.pl errors and warnings. This includes replacing
spaces with tabs in many places, adding and removing spaces, and
folding long lines.

Also complete a couple prototypes to make it clearer what the
parameters represent.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 include/linux/i2c.h | 149 ++++++++++++++++++++++----------------------
 1 file changed, 75 insertions(+), 74 deletions(-)

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 7d21aba819f..12d7364ad3f 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -53,45 +53,44 @@ struct i2c_board_info;
  * transmit one message at a time, a more complex version can be used to
  * transmit an arbitrary number of messages without interruption.
  */
-extern int i2c_master_send(struct i2c_client *,const char* ,int);
-extern int i2c_master_recv(struct i2c_client *,char* ,int);
+extern int i2c_master_send(struct i2c_client *client, const char *buf,
+			   int count);
+extern int i2c_master_recv(struct i2c_client *client, char *buf, int count);
 
 /* Transfer num messages.
  */
-extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num);
-
+extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
+			int num);
 
 /* This is the very generalized SMBus access routine. You probably do not
    want to use this, though; one of the functions below may be much easier,
    and probably just as fast.
    Note that we use i2c_adapter here, because you do not need a specific
    smbus adapter to call this function. */
-extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
-                           unsigned short flags,
-                           char read_write, u8 command, int size,
-                           union i2c_smbus_data * data);
+extern s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr,
+			  unsigned short flags, char read_write, u8 command,
+			  int size, union i2c_smbus_data *data);
 
 /* Now follow the 'nice' access routines. These also document the calling
    conventions of i2c_smbus_xfer. */
 
-extern s32 i2c_smbus_read_byte(struct i2c_client * client);
-extern s32 i2c_smbus_write_byte(struct i2c_client * client, u8 value);
-extern s32 i2c_smbus_read_byte_data(struct i2c_client * client, u8 command);
-extern s32 i2c_smbus_write_byte_data(struct i2c_client * client,
-                                     u8 command, u8 value);
-extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
-extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
-                                     u8 command, u16 value);
+extern s32 i2c_smbus_read_byte(struct i2c_client *client);
+extern s32 i2c_smbus_write_byte(struct i2c_client *client, u8 value);
+extern s32 i2c_smbus_read_byte_data(struct i2c_client *client, u8 command);
+extern s32 i2c_smbus_write_byte_data(struct i2c_client *client,
+				     u8 command, u8 value);
+extern s32 i2c_smbus_read_word_data(struct i2c_client *client, u8 command);
+extern s32 i2c_smbus_write_word_data(struct i2c_client *client,
+				     u8 command, u16 value);
 /* Returns the number of read bytes */
 extern s32 i2c_smbus_read_block_data(struct i2c_client *client,
 				     u8 command, u8 *values);
-extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
-				      u8 command, u8 length,
-				      const u8 *values);
+extern s32 i2c_smbus_write_block_data(struct i2c_client *client,
+				      u8 command, u8 length, const u8 *values);
 /* Returns the number of read bytes */
-extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
+extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client *client,
 					 u8 command, u8 length, u8 *values);
-extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
+extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client,
 					  u8 command, u8 length,
 					  const u8 *values);
 
@@ -169,7 +168,7 @@ struct i2c_driver {
 	/* a ioctl like command that can be used to perform specific functions
 	 * with the device.
 	 */
-	int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
+	int (*command)(struct i2c_client *client, unsigned int cmd, void *arg);
 
 	struct device_driver driver;
 	const struct i2c_device_id *id_table;
@@ -226,12 +225,12 @@ static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
 
 static inline void *i2c_get_clientdata(const struct i2c_client *dev)
 {
-	return dev_get_drvdata (&dev->dev);
+	return dev_get_drvdata(&dev->dev);
 }
 
-static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
+static inline void i2c_set_clientdata(struct i2c_client *dev, void *data)
 {
-	dev_set_drvdata (&dev->dev, data);
+	dev_set_drvdata(&dev->dev, data);
 }
 
 /**
@@ -272,7 +271,7 @@ struct i2c_board_info {
  * fields (such as associated irq, or device-specific platform_data)
  * are provided using conventional syntax.
  */
-#define I2C_BOARD_INFO(dev_type,dev_addr) \
+#define I2C_BOARD_INFO(dev_type, dev_addr) \
 	.type = (dev_type), .addr = (dev_addr)
 
 
@@ -306,10 +305,12 @@ extern void i2c_unregister_device(struct i2c_client *);
  */
 #ifdef CONFIG_I2C_BOARDINFO
 extern int
-i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n);
+i2c_register_board_info(int busnum, struct i2c_board_info const *info,
+			unsigned n);
 #else
 static inline int
-i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n)
+i2c_register_board_info(int busnum, struct i2c_board_info const *info,
+			unsigned n)
 {
 	return 0;
 }
@@ -328,11 +329,11 @@ struct i2c_algorithm {
 	   using common I2C messages */
 	/* master_xfer should return the number of messages successfully
 	   processed, or a negative value on error */
-	int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
-	                   int num);
+	int (*master_xfer)(struct i2c_adapter *adap, struct i2c_msg *msgs,
+			   int num);
 	int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
-	                   unsigned short flags, char read_write,
-	                   u8 command, int size, union i2c_smbus_data * data);
+			   unsigned short flags, char read_write,
+			   u8 command, int size, union i2c_smbus_data *data);
 
 	/* To determine what the adapter supports */
 	u32 (*functionality) (struct i2c_adapter *);
@@ -371,12 +372,12 @@ struct i2c_adapter {
 
 static inline void *i2c_get_adapdata(const struct i2c_adapter *dev)
 {
-	return dev_get_drvdata (&dev->dev);
+	return dev_get_drvdata(&dev->dev);
 }
 
-static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
+static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data)
 {
-	dev_set_drvdata (&dev->dev, data);
+	dev_set_drvdata(&dev->dev, data);
 }
 
 /*flags for the client struct: */
@@ -449,7 +450,7 @@ extern int i2c_probe(struct i2c_adapter *adapter,
 		const struct i2c_client_address_data *address_data,
 		int (*found_proc) (struct i2c_adapter *, int, int));
 
-extern struct i2c_adapter* i2c_get_adapter(int id);
+extern struct i2c_adapter *i2c_get_adapter(int id);
 extern void i2c_put_adapter(struct i2c_adapter *adap);
 
 
@@ -465,7 +466,7 @@ static inline int i2c_check_functionality(struct i2c_adapter *adap, u32 func)
 	return (func & i2c_get_functionality(adap)) == func;
 }
 
-/* Return id number for a specific adapter */
+/* Return the adapter number for a specific adapter */
 static inline int i2c_adapter_id(struct i2c_adapter *adap)
 {
 	return adap->nr;
@@ -526,7 +527,7 @@ struct i2c_msg {
 
 #define I2C_FUNC_I2C			0x00000001
 #define I2C_FUNC_10BIT_ADDR		0x00000002
-#define I2C_FUNC_PROTOCOL_MANGLING	0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
+#define I2C_FUNC_PROTOCOL_MANGLING	0x00000004 /* I2C_M_NOSTART etc. */
 #define I2C_FUNC_SMBUS_PEC		0x00000008
 #define I2C_FUNC_SMBUS_BLOCK_PROC_CALL	0x00008000 /* SMBus 2.0 */
 #define I2C_FUNC_SMBUS_QUICK		0x00010000
@@ -542,25 +543,25 @@ struct i2c_msg {
 #define I2C_FUNC_SMBUS_READ_I2C_BLOCK	0x04000000 /* I2C-like block xfer  */
 #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK	0x08000000 /* w/ 1-byte reg. addr. */
 
-#define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \
-                             I2C_FUNC_SMBUS_WRITE_BYTE)
-#define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \
-                                  I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
-#define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \
-                                  I2C_FUNC_SMBUS_WRITE_WORD_DATA)
-#define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
-                                   I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
-#define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
-                                  I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
-
-#define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \
-                             I2C_FUNC_SMBUS_BYTE | \
-                             I2C_FUNC_SMBUS_BYTE_DATA | \
-                             I2C_FUNC_SMBUS_WORD_DATA | \
-                             I2C_FUNC_SMBUS_PROC_CALL | \
-                             I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
-			     I2C_FUNC_SMBUS_I2C_BLOCK | \
-			     I2C_FUNC_SMBUS_PEC)
+#define I2C_FUNC_SMBUS_BYTE		(I2C_FUNC_SMBUS_READ_BYTE | \
+					 I2C_FUNC_SMBUS_WRITE_BYTE)
+#define I2C_FUNC_SMBUS_BYTE_DATA	(I2C_FUNC_SMBUS_READ_BYTE_DATA | \
+					 I2C_FUNC_SMBUS_WRITE_BYTE_DATA)
+#define I2C_FUNC_SMBUS_WORD_DATA	(I2C_FUNC_SMBUS_READ_WORD_DATA | \
+					 I2C_FUNC_SMBUS_WRITE_WORD_DATA)
+#define I2C_FUNC_SMBUS_BLOCK_DATA	(I2C_FUNC_SMBUS_READ_BLOCK_DATA | \
+					 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA)
+#define I2C_FUNC_SMBUS_I2C_BLOCK	(I2C_FUNC_SMBUS_READ_I2C_BLOCK | \
+					 I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)
+
+#define I2C_FUNC_SMBUS_EMUL		(I2C_FUNC_SMBUS_QUICK | \
+					 I2C_FUNC_SMBUS_BYTE | \
+					 I2C_FUNC_SMBUS_BYTE_DATA | \
+					 I2C_FUNC_SMBUS_WORD_DATA | \
+					 I2C_FUNC_SMBUS_PROC_CALL | \
+					 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
+					 I2C_FUNC_SMBUS_I2C_BLOCK | \
+					 I2C_FUNC_SMBUS_PEC)
 
 /*
  * Data for SMBus Messages
@@ -570,7 +571,7 @@ union i2c_smbus_data {
 	__u8 byte;
 	__u16 word;
 	__u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
-	                       /* and one more for user-space compatibility */
+			       /* and one more for user-space compatibility */
 };
 
 /* i2c_smbus_xfer read or write markers */
@@ -598,21 +599,21 @@ union i2c_smbus_data {
 
 /* Default fill of many variables */
 #define I2C_CLIENT_DEFAULTS {I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
-                          I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \
+			     I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END}
 
 /* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the
    module header */
@@ -621,7 +622,7 @@ union i2c_smbus_data {
   static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \
   static unsigned int var##_num; \
   module_param_array(var, short, &var##_num, 0); \
-  MODULE_PARM_DESC(var,desc)
+  MODULE_PARM_DESC(var, desc)
 
 #define I2C_CLIENT_MODULE_PARM_FORCE(name)				\
 I2C_CLIENT_MODULE_PARM(force_##name,					\
-- 
GitLab


From 00155a94a691c25d6672c16c8f2cafa7f9a722a3 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 22 Oct 2008 20:21:32 +0200
Subject: [PATCH 1903/2224] Schedule removal of the legacy i2c device driver
 binding model

The legacy i2c device driver binding model is superseded by the
standard model, so it's time to deprecate it and schedule it for
removal.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/feature-removal-schedule.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index f5f812daf9f..05d71b4b943 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -359,3 +359,11 @@ Why:  The 2.6 kernel supports direct writing to ide CD drives, which
       eliminates the need for ide-scsi. The new method is more
       efficient in every way.
 Who:  FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
+
+---------------------------
+
+What:	i2c_attach_client(), i2c_detach_client(), i2c_driver->detach_client()
+When:	2.6.29 (ideally) or 2.6.30 (more likely)
+Why:	Deprecated by the new (standard) device driver binding model. Use
+	i2c_driver->probe() and ->remove() instead.
+Who:	Jean Delvare <khali@linux-fr.org>
-- 
GitLab


From c7a5f22d1f15a03d0bfed5b1795e3172b6309d86 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@infradead.org>
Date: Wed, 22 Oct 2008 20:21:32 +0200
Subject: [PATCH 1904/2224] i2c: Use pci_ioremap_bar()

Use the newly introduced pci_ioremap_bar() function in drivers/i2c.
pci_ioremap_bar() just takes a pci device and a bar number, with the goal
of making it really hard to get wrong, while also having a central place
to stick sanity checks.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/busses/i2c-hydra.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index 1098f21ace1..648aa7baff8 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -123,7 +123,7 @@ static int __devinit hydra_probe(struct pci_dev *dev,
 				hydra_adap.name))
 		return -EBUSY;
 
-	hydra_bit_data.data = ioremap(base, pci_resource_len(dev, 0));
+	hydra_bit_data.data = pci_ioremap_bar(dev, 0);
 	if (hydra_bit_data.data == NULL) {
 		release_mem_region(base+offsetof(struct Hydra, CachePD), 4);
 		return -ENODEV;
-- 
GitLab


From 02cf617282c6917484410f86ded3f2d99a05f098 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <w.sang@pengutronix.de>
Date: Wed, 22 Oct 2008 20:21:33 +0200
Subject: [PATCH 1905/2224] i2c: Inform about deprecated chips directory

The chips directory under drivers/i2c is deprecated. Spread the word!

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/chips/Kconfig  | 2 ++
 drivers/i2c/chips/Makefile | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 17356827b93..4c35702830c 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -1,6 +1,8 @@
 #
 # Miscellaneous I2C chip drivers configuration
 #
+# *** DEPRECATED! Do not add new entries! See Makefile ***
+#
 
 menu "Miscellaneous I2C Chip support"
 
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
index ca520fa143d..23d2a31b0a6 100644
--- a/drivers/i2c/chips/Makefile
+++ b/drivers/i2c/chips/Makefile
@@ -1,7 +1,8 @@
 #
 # Makefile for miscellaneous I2C chip drivers.
 #
-# Think twice before you add a new driver to this directory.
+# Do not add new drivers to this directory! It is DEPRECATED.
+#
 # Device drivers are better grouped according to the functionality they
 # implement rather than to the bus they are connected to. In particular:
 # * Hardware monitoring chip drivers go to drivers/hwmon
-- 
GitLab


From 11f1f2afd6b07729b12aaba479344d7f12d88ff9 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Wed, 22 Oct 2008 20:21:33 +0200
Subject: [PATCH 1906/2224] i2c: Add info->archdata field

If present the info->archdata is copied into the dev->archdata.
Some (OpenFirmware) platforms need it.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 drivers/i2c/i2c-core.c | 3 +++
 include/linux/i2c.h    | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 42e852d79ff..5a485c22660 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -266,6 +266,9 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
 
 	client->dev.platform_data = info->platform_data;
 
+	if (info->archdata)
+		client->dev.archdata = *info->archdata;
+
 	client->flags = info->flags;
 	client->addr = info->addr;
 	client->irq = info->irq;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 12d7364ad3f..33a5992d493 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -239,6 +239,7 @@ static inline void i2c_set_clientdata(struct i2c_client *dev, void *data)
  * @flags: to initialize i2c_client.flags
  * @addr: stored in i2c_client.addr
  * @platform_data: stored in i2c_client.dev.platform_data
+ * @archdata: copied into i2c_client.dev.archdata
  * @irq: stored in i2c_client.irq
  *
  * I2C doesn't actually support hardware probing, although controllers and
@@ -258,6 +259,7 @@ struct i2c_board_info {
 	unsigned short	flags;
 	unsigned short	addr;
 	void		*platform_data;
+	struct dev_archdata	*archdata;
 	int		irq;
 };
 
-- 
GitLab


From 085eefb5948bb43020792f31406da2ee2ef4e924 Mon Sep 17 00:00:00 2001
From: David Brownell <david-b@pacbell.net>
Date: Tue, 21 Oct 2008 23:34:23 +0100
Subject: [PATCH 1907/2224] [ARM] 5316/1: AT91: oops (regression) fix on gpio
 irq

From: David Brownell <dbrownell@users.sourceforge.net>

The "5298/1: Drop desc_handle_irq()" patch went overboard
and deleted an essential line of code, causing all AT91
GPIO interrupts to oops (in irq).  Trimmed example:

Unable to handle kernel NULL pointer dereference at virtual address 000000c4
...
PC is at gpio_irq_handler+0x78/0xd0
LR is at gpio_irq_handler+0x38/0xd0
...
Backtrace:
[<c0029884>] (gpio_irq_handler+0x0/0xd0) from [<c0020054>] (__exception_text_start+0x54/0x7c)
[<c0020000>] (__exception_text_start+0x0/0x7c) from [<c00209ec>] (__irq_svc+0x2c/0x60)
Exception stack(0xc1c1de00 to 0xc1c1de48)
[<c01f4ca8>] (_spin_unlock_irq+0x0/0x3c) from [<c01389f8>] (at91ether_open+0x220/0x318)
[<c01387d8>] (at91ether_open+0x0/0x318) from [<c018caa4>] (dev_open+0xa8/0x10c)
[<c018c9fc>] (dev_open+0x0/0x10c) from [<c018b874>] (dev_change_flags+0x98/0x164)
[<c018b7dc>] (dev_change_flags+0x0/0x164) from [<c0019f8c>] (ip_auto_config+0x164/0xe28)
[<c0019e28>] (ip_auto_config+0x0/0xe28) from [<c0020318>] (__exception_text_end+0x60/0x180)
[<c00202b8>] (__exception_text_end+0x0/0x180) from [<c0008738>] (kernel_init+0x70/0xd8)
[<c00086c8>] (kernel_init+0x0/0xd8) from [<c00398e0>] (do_exit+0x0/0x6ac)

This patch restores the missing line'o'code.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-at91/gpio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c
index 7e5ebb5bdd1..9b0447c3d59 100644
--- a/arch/arm/mach-at91/gpio.c
+++ b/arch/arm/mach-at91/gpio.c
@@ -404,6 +404,7 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 		}
 
 		pin = bank->chipbase;
+		gpio = &irq_desc[pin];
 
 		while (isr) {
 			if (isr & 1) {
-- 
GitLab


From f80a3bb252cbb0959259328b9ab02b019123ed05 Mon Sep 17 00:00:00 2001
From: Catalin Marinas <catalin.marinas@arm.com>
Date: Wed, 22 Oct 2008 13:04:30 +0100
Subject: [PATCH 1908/2224] [ARM] 5318/1: Swap the PRRR and NMRR values in
 proc-v7.S

A typo caused these values to be swapped leading to incorrect memory
type attributes.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mm/proc-v7.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 34e42404192..07f82db7094 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -180,8 +180,8 @@ __v7_setup:
 	mov	r10, #0x1f			@ domains 0, 1 = manager
 	mcr	p15, 0, r10, c3, c0, 0		@ load domain access register
 #endif
-	ldr	r5, =0x40e040e0
-	ldr	r6, =0xff0aa1a8
+	ldr	r5, =0xff0aa1a8
+	ldr	r6, =0x40e040e0
 	mcr	p15, 0, r5, c10, c2, 0		@ write PRRR
 	mcr	p15, 0, r6, c10, c2, 1		@ write NMRR
 	adr	r5, v7_crval
-- 
GitLab


From 2a2336f8228292b8197f4187e54b0748903e6645 Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Wed, 22 Oct 2008 11:44:46 -0700
Subject: [PATCH 1909/2224] mlx4_core: Ethernet MAC/VLAN management

Add support for managing MAC and VLAN filters for each port.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Oren Duer <oren@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/net/mlx4/Makefile   |   2 +-
 drivers/net/mlx4/main.c     |  14 ++
 drivers/net/mlx4/mlx4.h     |  33 +++++
 drivers/net/mlx4/port.c     | 259 ++++++++++++++++++++++++++++++++++++
 include/linux/mlx4/cmd.h    |   9 ++
 include/linux/mlx4/device.h |  12 ++
 6 files changed, 328 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/mlx4/port.c

diff --git a/drivers/net/mlx4/Makefile b/drivers/net/mlx4/Makefile
index 0952a6528f5..9f493666e27 100644
--- a/drivers/net/mlx4/Makefile
+++ b/drivers/net/mlx4/Makefile
@@ -1,4 +1,4 @@
 obj-$(CONFIG_MLX4_CORE)		+= mlx4_core.o
 
 mlx4_core-y :=	alloc.o catas.o cmd.o cq.o eq.o fw.o icm.o intf.o main.o mcg.o \
-		mr.o pd.o profile.o qp.o reset.o srq.o
+		mr.o pd.o port.o profile.o qp.o reset.o srq.o
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 28f36b88de3..0a5c8bfb3f1 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -780,11 +780,22 @@ no_msi:
 		priv->eq_table.eq[i].irq = dev->pdev->irq;
 }
 
+static void mlx4_init_port_info(struct mlx4_dev *dev, int port)
+{
+	struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
+
+	info->dev = dev;
+	info->port = port;
+	mlx4_init_mac_table(dev, &info->mac_table);
+	mlx4_init_vlan_table(dev, &info->vlan_table);
+}
+
 static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 {
 	struct mlx4_priv *priv;
 	struct mlx4_dev *dev;
 	int err;
+	int port;
 
 	printk(KERN_INFO PFX "Initializing %s\n",
 	       pci_name(pdev));
@@ -894,6 +905,9 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err)
 		goto err_close;
 
+	for (port = 1; port <= dev->caps.num_ports; port++)
+		mlx4_init_port_info(dev, port);
+
 	err = mlx4_register_device(dev);
 	if (err)
 		goto err_cleanup;
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 9e2f44c3181..23309f381ee 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -252,6 +252,35 @@ struct mlx4_catas_err {
 	struct list_head	list;
 };
 
+#define MLX4_MAX_MAC_NUM	128
+#define MLX4_MAC_TABLE_SIZE	(MLX4_MAX_MAC_NUM << 3)
+
+struct mlx4_mac_table {
+	__be64			entries[MLX4_MAX_MAC_NUM];
+	int			refs[MLX4_MAX_MAC_NUM];
+	struct mutex		mutex;
+	int			total;
+	int			max;
+};
+
+#define MLX4_MAX_VLAN_NUM	128
+#define MLX4_VLAN_TABLE_SIZE	(MLX4_MAX_VLAN_NUM << 2)
+
+struct mlx4_vlan_table {
+	__be32			entries[MLX4_MAX_VLAN_NUM];
+	int			refs[MLX4_MAX_VLAN_NUM];
+	struct mutex		mutex;
+	int			total;
+	int			max;
+};
+
+struct mlx4_port_info {
+	struct mlx4_dev	       *dev;
+	int			port;
+	struct mlx4_mac_table	mac_table;
+	struct mlx4_vlan_table	vlan_table;
+};
+
 struct mlx4_priv {
 	struct mlx4_dev		dev;
 
@@ -280,6 +309,7 @@ struct mlx4_priv {
 
 	struct mlx4_uar		driver_uar;
 	void __iomem	       *kar;
+	struct mlx4_port_info	port[MLX4_MAX_PORTS + 1];
 };
 
 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
@@ -350,4 +380,7 @@ void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
 
 void mlx4_handle_catas_err(struct mlx4_dev *dev);
 
+void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
+void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
+
 #endif /* MLX4_H */
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
new file mode 100644
index 00000000000..8644f3d978e
--- /dev/null
+++ b/drivers/net/mlx4/port.c
@@ -0,0 +1,259 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/if_ether.h>
+
+#include <linux/mlx4/cmd.h>
+
+#include "mlx4.h"
+
+#define MLX4_MAC_VALID		(1ull << 63)
+#define MLX4_MAC_MASK		0xffffffffffffULL
+
+#define MLX4_VLAN_VALID		(1u << 31)
+#define MLX4_VLAN_MASK		0xfff
+
+void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table)
+{
+	int i;
+
+	mutex_init(&table->mutex);
+	for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
+		table->entries[i] = 0;
+		table->refs[i]	 = 0;
+	}
+	table->max   = 1 << dev->caps.log_num_macs;
+	table->total = 0;
+}
+
+void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table)
+{
+	int i;
+
+	mutex_init(&table->mutex);
+	for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) {
+		table->entries[i] = 0;
+		table->refs[i]	 = 0;
+	}
+	table->max   = 1 << dev->caps.log_num_vlans;
+	table->total = 0;
+}
+
+static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port,
+				   __be64 *entries)
+{
+	struct mlx4_cmd_mailbox *mailbox;
+	u32 in_mod;
+	int err;
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	memcpy(mailbox->buf, entries, MLX4_MAC_TABLE_SIZE);
+
+	in_mod = MLX4_SET_PORT_MAC_TABLE << 8 | port;
+	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
+		       MLX4_CMD_TIME_CLASS_B);
+
+	mlx4_free_cmd_mailbox(dev, mailbox);
+	return err;
+}
+
+int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
+{
+	struct mlx4_mac_table *table = &mlx4_priv(dev)->port[port].mac_table;
+	int i, err = 0;
+	int free = -1;
+
+	mlx4_dbg(dev, "Registering MAC: 0x%llx\n", (unsigned long long) mac);
+	mutex_lock(&table->mutex);
+	for (i = 0; i < MLX4_MAX_MAC_NUM - 1; i++) {
+		if (free < 0 && !table->refs[i]) {
+			free = i;
+			continue;
+		}
+
+		if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
+			/* MAC already registered, increase refernce count */
+			*index = i;
+			++table->refs[i];
+			goto out;
+		}
+	}
+	mlx4_dbg(dev, "Free MAC index is %d\n", free);
+
+	if (table->total == table->max) {
+		/* No free mac entries */
+		err = -ENOSPC;
+		goto out;
+	}
+
+	/* Register new MAC */
+	table->refs[free] = 1;
+	table->entries[free] = cpu_to_be64(mac | MLX4_MAC_VALID);
+
+	err = mlx4_set_port_mac_table(dev, port, table->entries);
+	if (unlikely(err)) {
+		mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) mac);
+		table->refs[free] = 0;
+		table->entries[free] = 0;
+		goto out;
+	}
+
+	*index = free;
+	++table->total;
+out:
+	mutex_unlock(&table->mutex);
+	return err;
+}
+EXPORT_SYMBOL_GPL(mlx4_register_mac);
+
+void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index)
+{
+	struct mlx4_mac_table *table = &mlx4_priv(dev)->port[port].mac_table;
+
+	mutex_lock(&table->mutex);
+	if (!table->refs[index]) {
+		mlx4_warn(dev, "No MAC entry for index %d\n", index);
+		goto out;
+	}
+	if (--table->refs[index]) {
+		mlx4_warn(dev, "Have more references for index %d,"
+			  "no need to modify MAC table\n", index);
+		goto out;
+	}
+	table->entries[index] = 0;
+	mlx4_set_port_mac_table(dev, port, table->entries);
+	--table->total;
+out:
+	mutex_unlock(&table->mutex);
+}
+EXPORT_SYMBOL_GPL(mlx4_unregister_mac);
+
+static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port,
+				    __be32 *entries)
+{
+	struct mlx4_cmd_mailbox *mailbox;
+	u32 in_mod;
+	int err;
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	memcpy(mailbox->buf, entries, MLX4_VLAN_TABLE_SIZE);
+	in_mod = MLX4_SET_PORT_VLAN_TABLE << 8 | port;
+	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
+		       MLX4_CMD_TIME_CLASS_B);
+
+	mlx4_free_cmd_mailbox(dev, mailbox);
+
+	return err;
+}
+
+int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)
+{
+	struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table;
+	int i, err = 0;
+	int free = -1;
+
+	mutex_lock(&table->mutex);
+	for (i = MLX4_VLAN_REGULAR; i < MLX4_MAX_VLAN_NUM; i++) {
+		if (free < 0 && (table->refs[i] == 0)) {
+			free = i;
+			continue;
+		}
+
+		if (table->refs[i] &&
+		    (vlan == (MLX4_VLAN_MASK &
+			      be32_to_cpu(table->entries[i])))) {
+			/* Vlan already registered, increase refernce count */
+			*index = i;
+			++table->refs[i];
+			goto out;
+		}
+	}
+
+	if (table->total == table->max) {
+		/* No free vlan entries */
+		err = -ENOSPC;
+		goto out;
+	}
+
+	/* Register new MAC */
+	table->refs[free] = 1;
+	table->entries[free] = cpu_to_be32(vlan | MLX4_VLAN_VALID);
+
+	err = mlx4_set_port_vlan_table(dev, port, table->entries);
+	if (unlikely(err)) {
+		mlx4_warn(dev, "Failed adding vlan: %u\n", vlan);
+		table->refs[free] = 0;
+		table->entries[free] = 0;
+		goto out;
+	}
+
+	*index = free;
+	++table->total;
+out:
+	mutex_unlock(&table->mutex);
+	return err;
+}
+EXPORT_SYMBOL_GPL(mlx4_register_vlan);
+
+void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index)
+{
+	struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table;
+
+	if (index < MLX4_VLAN_REGULAR) {
+		mlx4_warn(dev, "Trying to free special vlan index %d\n", index);
+		return;
+	}
+
+	mutex_lock(&table->mutex);
+	if (!table->refs[index]) {
+		mlx4_warn(dev, "No vlan entry for index %d\n", index);
+		goto out;
+	}
+	if (--table->refs[index]) {
+		mlx4_dbg(dev, "Have more references for index %d,"
+			 "no need to modify vlan table\n", index);
+		goto out;
+	}
+	table->entries[index] = 0;
+	mlx4_set_port_vlan_table(dev, port, table->entries);
+	--table->total;
+out:
+	mutex_unlock(&table->mutex);
+}
+EXPORT_SYMBOL_GPL(mlx4_unregister_vlan);
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 77323a72dd3..cf9c679ab38 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -132,6 +132,15 @@ enum {
 	MLX4_MAILBOX_SIZE	=  4096
 };
 
+enum {
+	/* set port opcode modifiers */
+	MLX4_SET_PORT_GENERAL   = 0x0,
+	MLX4_SET_PORT_RQP_CALC  = 0x1,
+	MLX4_SET_PORT_MAC_TABLE = 0x2,
+	MLX4_SET_PORT_VLAN_TABLE = 0x3,
+	MLX4_SET_PORT_PRIO_MAP  = 0x4,
+};
+
 struct mlx4_dev;
 
 struct mlx4_cmd_mailbox {
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index f9e73cfc540..1951fe70a25 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -153,6 +153,12 @@ enum mlx4_qp_region {
 	MLX4_NUM_QP_REGION
 };
 
+enum mlx4_special_vlan_idx {
+	MLX4_NO_VLAN_IDX        = 0,
+	MLX4_VLAN_MISS_IDX,
+	MLX4_VLAN_REGULAR
+};
+
 enum {
 	MLX4_NUM_FEXCH          = 64 * 1024,
 };
@@ -438,6 +444,12 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
 			  int block_mcast_loopback);
 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16]);
 
+int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
+void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
+
+int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
+void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index);
+
 int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list,
 		      int npages, u64 iova, u32 *lkey, u32 *rkey);
 int mlx4_fmr_alloc(struct mlx4_dev *dev, u32 pd, u32 access, int max_pages,
-- 
GitLab


From 5d1e072b6b9cffebefa681faca1c6d608310d4b2 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 22 Oct 2008 14:58:43 -0400
Subject: [PATCH 1910/2224] ACPI suspend: Fix CONFIG_ACPI_SLEEP dependence and
 some compilation warnings

Initially CONFIG_PM_SLEEP was defined as
CONFIG_SUSPEND || CONFIG_HIBERNATION and some ACPI code, most
importantly the code in drivers/acpi/main.c, was written with this
assumption.  Currently, however, CONFIG_PM_SLEEP is also set when
CONFIG_XEN_SAVE_RESTORE is set.

This causes some compilation warnings to appear in
drivers/acpi/main.c if both CONFIG_SUSPEND and CONFIG_HIBERNATION
are unset and CONFIG_PM_SLEEP is set (this was impossible before).
To fix this problem, redefine CONFIG_ACPI_SLEEP do depend directly
on CONFIG_SUSPEND || CONFIG_HIBERNATION, as originally intended, and
use it instead of CONFIG_PM_SLEEP in drivers/acpi/main.c, wherever
appropriate.

Additionally, move the acpi_target_sleep_state definition from under
the #ifdef to prevent compilation from failing in some cases.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Kconfig      | 2 +-
 drivers/acpi/sleep/main.c | 7 +++----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 79540db2980..325b4b5fa7d 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -42,7 +42,7 @@ if ACPI
 
 config ACPI_SLEEP
 	bool
-	depends on PM_SLEEP
+	depends on SUSPEND || HIBERNATION
 	default y
 
 config ACPI_PROCFS
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index d13194a031b..4c21480b582 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -23,6 +23,7 @@
 #include "sleep.h"
 
 u8 sleep_states[ACPI_S_STATE_COUNT];
+static u32 acpi_target_sleep_state = ACPI_STATE_S0;
 
 static int acpi_sleep_prepare(u32 acpi_state)
 {
@@ -45,9 +46,7 @@ static int acpi_sleep_prepare(u32 acpi_state)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static u32 acpi_target_sleep_state = ACPI_STATE_S0;
-
+#ifdef CONFIG_ACPI_SLEEP
 /*
  * ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
  * user to request that behavior by using the 'acpi_old_suspend_ordering'
@@ -132,7 +131,7 @@ static void acpi_pm_end(void)
 	 */
 	acpi_target_sleep_state = ACPI_STATE_S0;
 }
-#endif /* CONFIG_PM_SLEEP */
+#endif /* CONFIG_ACPI_SLEEP */
 
 #ifdef CONFIG_SUSPEND
 extern void do_suspend_lowlevel(void);
-- 
GitLab


From e3deda9c87ac5eef2b5d18cd0b5511370979ca26 Mon Sep 17 00:00:00 2001
From: Corentin Chary <corentincj@iksaif.net>
Date: Wed, 24 Sep 2008 10:35:55 +0200
Subject: [PATCH 1911/2224] asus-laptop: Fix the led behavior with value > 1

Fix http://bugzilla.kernel.org/show_bug.cgi?id=11613 .

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/asus-laptop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index df82cda8769..57d81c713ea 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -351,7 +351,7 @@ static void write_status(acpi_handle handle, int out, int mask)
 	static void object##_led_set(struct led_classdev *led_cdev,	\
 				     enum led_brightness value)		\
 	{								\
-		object##_led_wk = value;				\
+		object##_led_wk = (value > 0) ? 1 : 0;			\
 		queue_work(led_workqueue, &object##_led_work);		\
 	}								\
 	static void object##_led_update(struct work_struct *ignored)	\
-- 
GitLab


From 36eec5e29cf31011a7fbe121badfed7efb2a4ebb Mon Sep 17 00:00:00 2001
From: Thomas Renninger <trenn@suse.de>
Date: Mon, 11 Aug 2008 15:03:20 +0200
Subject: [PATCH 1912/2224] ACPI: Add expand acpi.debug_layer in
 kernel-parameters.txt

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/kernel-parameters.txt | 47 ++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 14 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1150444a21a..44d1bd142ed 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -217,20 +217,39 @@ and is between 256 and 4096 characters. It is defined in the file
 	acpi.debug_level=	[HW,ACPI]
 			Format: <int>
 			Each bit of the <int> indicates an ACPI debug level,
-			1: enable, 0: disable. It is useful for boot time
-			debugging. After system has booted up, it can be set
-			via /sys/module/acpi/parameters/debug_level.
-			CONFIG_ACPI_DEBUG must be enabled for this to produce any output.
-			Available bits (add the numbers together) to enable different
-			debug output levels of the ACPI subsystem:
-			0x01 error 0x02 warn 0x04 init 0x08 debug object
-			0x10 info 0x20 init names 0x40 parse 0x80 load
-			0x100 dispatch 0x200 execute 0x400 names 0x800 operation region
-			0x1000 bfield 0x2000 tables 0x4000 values 0x8000 objects
-			0x10000 resources 0x20000 user requests 0x40000 package.
-			The number can be in decimal or prefixed with 0x in hex.
-			Warning: Many of these options can produce a lot of
-			output and make your system unusable. Be very careful.
+			which corresponds to the level in an ACPI_DEBUG_PRINT
+			statement.  After system has booted up, this mask
+			can be set via /sys/module/acpi/parameters/debug_level.
+
+			CONFIG_ACPI_DEBUG must be enabled for this to produce
+			any output.  The number can be in decimal or prefixed
+			with 0x in hex.  Some of these options produce so much
+			output that the system is unusable.
+
+			The following global components are defined by the
+			ACPI CA:
+			       0x01 error
+			       0x02 warn
+			       0x04 init
+			       0x08 debug object
+			       0x10 info
+			       0x20 init names
+			       0x40 parse
+			       0x80 load
+			      0x100 dispatch
+			      0x200 execute
+			      0x400 names
+			      0x800 operation region
+			     0x1000 bfield
+			     0x2000 tables
+			     0x4000 values
+			     0x8000 objects
+			    0x10000 resources
+			    0x20000 user requests
+			    0x40000 package
+ 			The number can be in decimal or prefixed with 0x in hex.
+ 			Warning: Many of these options can produce a lot of
+ 			output and make your system unusable. Be very careful.
 
 	acpi_pm_good	[X86-32,X86-64]
 			Override the pmtimer bug detection: force the kernel
-- 
GitLab


From 08237974af22a97da59869979ef1a515524d5cc3 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Fri, 8 Aug 2008 11:57:11 +0800
Subject: [PATCH 1913/2224] ACPI: replace AE_BAD_ADDRESS exception code with
 AE_ERROR

The AE_BAD_ADDRESS exception code is now unused in ACPICA.
For linux, it's only used at wmi.c and acer-wmi.c.
I checked both wmi.c and acer-wmi.c, the AE_BAD_ADDRESS exception code
has no special meaning. The parent functions just call AE_SUCCESS() or
AE_FAILURE() to check the return status.
So it's safe to replace AE_BAD_ADDRESS with AE_ERROR.

Signed-off-by Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/wmi.c      | 10 +++++-----
 drivers/misc/acer-wmi.c | 10 +++++-----
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c
index cfe2c833474..5b94be38861 100644
--- a/drivers/acpi/wmi.c
+++ b/drivers/acpi/wmi.c
@@ -242,7 +242,7 @@ u32 method_id, const struct acpi_buffer *in, struct acpi_buffer *out)
 	char method[4] = "WM";
 
 	if (!find_guid(guid_string, &wblock))
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 
 	block = &wblock->gblock;
 	handle = wblock->handle;
@@ -304,7 +304,7 @@ struct acpi_buffer *out)
 		return AE_BAD_PARAMETER;
 
 	if (!find_guid(guid_string, &wblock))
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 
 	block = &wblock->gblock;
 	handle = wblock->handle;
@@ -314,7 +314,7 @@ struct acpi_buffer *out)
 
 	/* Check GUID is a data block */
 	if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD))
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 
 	input.count = 1;
 	input.pointer = wq_params;
@@ -385,7 +385,7 @@ const struct acpi_buffer *in)
 		return AE_BAD_DATA;
 
 	if (!find_guid(guid_string, &wblock))
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 
 	block = &wblock->gblock;
 	handle = wblock->handle;
@@ -395,7 +395,7 @@ const struct acpi_buffer *in)
 
 	/* Check GUID is a data block */
 	if (block->flags & (ACPI_WMI_EVENT | ACPI_WMI_METHOD))
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 
 	input.count = 2;
 	input.pointer = params;
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index d8b0d326e45..a67aef5e284 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -476,7 +476,7 @@ struct wmi_interface *iface)
 		}
 		break;
 	default:
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 	}
 	return AE_OK;
 }
@@ -514,7 +514,7 @@ static acpi_status AMW0_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
 			break;
 		}
 	default:
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 	}
 
 	/* Actually do the set */
@@ -689,7 +689,7 @@ struct wmi_interface *iface)
 			return 0;
 		}
 	default:
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 	}
 	status = WMI_execute_u32(method_id, 0, &result);
 
@@ -735,7 +735,7 @@ static acpi_status WMID_set_u32(u32 value, u32 cap, struct wmi_interface *iface)
 		}
 		break;
 	default:
-		return AE_BAD_ADDRESS;
+		return AE_ERROR;
 	}
 	return WMI_execute_u32(method_id, (u32)value, NULL);
 }
@@ -785,7 +785,7 @@ static struct wmi_interface wmid_interface = {
 
 static acpi_status get_u32(u32 *value, u32 cap)
 {
-	acpi_status status = AE_BAD_ADDRESS;
+	acpi_status status = AE_ERROR;
 
 	switch (interface->type) {
 	case ACER_AMW0:
-- 
GitLab


From a51e145f379ae48003129610922595893e8efde0 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 11 Aug 2008 14:55:05 +0800
Subject: [PATCH 1914/2224] ACPI: Get the device power state in the course of
 scanning device

Get the device power state in the course of scanning device if the device
power flag is power_managable. i.e. The device has the _PSx/_PRx object.

At the same time before the drivers/acpi/power module is loaded, there is no
relation between acpi_power_resource and acpi device. So the first parameter
of acpi_power_get_state is changed to acpi_handle.

http://bugzilla.kernel.org/show_bug.cgi?id=8049
http://bugzilla.kernel.org/show_bug.cgi?id=11000

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/power.c | 30 ++++++++++++++++--------------
 drivers/acpi/scan.c  |  1 +
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 4ab21cb1c8c..e7bab75075a 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -128,16 +128,16 @@ acpi_power_get_context(acpi_handle handle,
 	return 0;
 }
 
-static int acpi_power_get_state(struct acpi_power_resource *resource, int *state)
+static int acpi_power_get_state(acpi_handle handle, int *state)
 {
 	acpi_status status = AE_OK;
 	unsigned long sta = 0;
 
 
-	if (!resource || !state)
+	if (!handle || !state)
 		return -EINVAL;
 
-	status = acpi_evaluate_integer(resource->device->handle, "_STA", NULL, &sta);
+	status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
@@ -145,7 +145,7 @@ static int acpi_power_get_state(struct acpi_power_resource *resource, int *state
 			      ACPI_POWER_RESOURCE_STATE_OFF;
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] is %s\n",
-			  resource->name, state ? "on" : "off"));
+			  acpi_ut_get_node_name(handle), state ? "on" : "off"));
 
 	return 0;
 }
@@ -153,7 +153,6 @@ static int acpi_power_get_state(struct acpi_power_resource *resource, int *state
 static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state)
 {
 	int result = 0, state1;
-	struct acpi_power_resource *resource = NULL;
 	u32 i = 0;
 
 
@@ -161,12 +160,15 @@ static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state)
 		return -EINVAL;
 
 	/* The state of the list is 'on' IFF all resources are 'on'. */
+	/* */
 
 	for (i = 0; i < list->count; i++) {
-		result = acpi_power_get_context(list->handles[i], &resource);
-		if (result)
-			return result;
-		result = acpi_power_get_state(resource, &state1);
+		/*
+		 * The state of the power resource can be obtained by
+		 * using the ACPI handle. In such case it is unnecessary to
+		 * get the Power resource first and then get its state again.
+		 */
+		result = acpi_power_get_state(list->handles[i], &state1);
 		if (result)
 			return result;
 
@@ -226,7 +228,7 @@ static int acpi_power_on(acpi_handle handle, struct acpi_device *dev)
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	result = acpi_power_get_state(resource, &state);
+	result = acpi_power_get_state(resource->device->handle, &state);
 	if (result)
 		return result;
 	if (state != ACPI_POWER_RESOURCE_STATE_ON)
@@ -277,7 +279,7 @@ static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev)
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	result = acpi_power_get_state(resource, &state);
+	result = acpi_power_get_state(handle, &state);
 	if (result)
 		return result;
 	if (state != ACPI_POWER_RESOURCE_STATE_OFF)
@@ -555,7 +557,7 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset)
 	if (!resource)
 		goto end;
 
-	result = acpi_power_get_state(resource, &state);
+	result = acpi_power_get_state(resource->device->handle, &state);
 	if (result)
 		goto end;
 
@@ -668,7 +670,7 @@ static int acpi_power_add(struct acpi_device *device)
 	resource->system_level = acpi_object.power_resource.system_level;
 	resource->order = acpi_object.power_resource.resource_order;
 
-	result = acpi_power_get_state(resource, &state);
+	result = acpi_power_get_state(device->handle, &state);
 	if (result)
 		goto end;
 
@@ -735,7 +737,7 @@ static int acpi_power_resume(struct acpi_device *device)
 
 	resource = (struct acpi_power_resource *)acpi_driver_data(device);
 
-	result = acpi_power_get_state(resource, &state);
+	result = acpi_power_get_state(device->handle, &state);
 	if (result)
 		return result;
 
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f6f52c1a2ab..308ddb1c207 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -807,6 +807,7 @@ static int acpi_bus_get_power_flags(struct acpi_device *device)
 	/* TBD: System wake support and resource requirements. */
 
 	device->power.state = ACPI_STATE_UNKNOWN;
+	acpi_bus_get_power(device->handle, &(device->power.state));
 
 	return 0;
 }
-- 
GitLab


From eab4b645769fa2f8703f5a3cb0cc4ac090d347af Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 11 Aug 2008 14:54:16 +0800
Subject: [PATCH 1915/2224] ACPI: Attach the ACPI device to the ACPI handle as
 early as possible

Attach the ACPI device to the ACPI handle as early as possible so that OS
can get the corresponding ACPI device by the acpi handle in the course
of getting the power/wakeup/performance flags.

http://bugzilla.kernel.org/show_bug.cgi?id=8049
http://bugzilla.kernel.org/show_bug.cgi?id=11000

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/scan.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 308ddb1c207..ad0679843bd 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1252,6 +1252,16 @@ acpi_add_single_object(struct acpi_device **child,
 	 */
 	acpi_device_set_id(device, parent, handle, type);
 
+	/*
+	 * The ACPI device is attached to acpi handle before getting
+	 * the power/wakeup/peformance flags. Otherwise OS can't get
+	 * the corresponding ACPI device by the acpi handle in the course
+	 * of getting the power/wakeup/performance flags.
+	 */
+	result = acpi_device_set_context(device, type);
+	if (result)
+		goto end;
+
 	/*
 	 * Power Management
 	 * ----------------
@@ -1282,8 +1292,6 @@ acpi_add_single_object(struct acpi_device **child,
 			goto end;
 	}
 
-	if ((result = acpi_device_set_context(device, type)))
-		goto end;
 
 	result = acpi_device_register(device, parent);
 
-- 
GitLab


From f5adfaa372c76423b6e8e4727a9701330374f364 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 11 Aug 2008 14:57:50 +0800
Subject: [PATCH 1916/2224] ACPI: Add "acpi.power_nocheck=1" to disable power
 state check in power transition

   Maybe the incorrect power state is returned on the bogus bios, which
is different with the real power state. For example: the bios returns D0
state and the real power state is D3. OS expects to set the device to D0
state. In  such case if OS uses the power state returned by the BIOS and
checks the device power state very strictly in power transition, the device
can't be transited to the correct power state.

   So the boot option of "acpi.power_nocheck=1" is added to avoid checking
the device power in the course of device power transition.

http://bugzilla.kernel.org/show_bug.cgi?id=8049
http://bugzilla.kernel.org/show_bug.cgi?id=11000

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 Documentation/kernel-parameters.txt |  8 ++++++
 drivers/acpi/bus.c                  | 14 +++++++++-
 drivers/acpi/power.c                | 42 +++++++++++++++++++++--------
 include/acpi/acpi_drivers.h         |  1 +
 4 files changed, 53 insertions(+), 12 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 44d1bd142ed..99cf83fd694 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -251,6 +251,14 @@ and is between 256 and 4096 characters. It is defined in the file
  			Warning: Many of these options can produce a lot of
  			output and make your system unusable. Be very careful.
 
+ 	acpi.power_nocheck=	[HW,ACPI]
+ 			Format: 1/0 enable/disable the check of power state.
+ 			On some bogus BIOS the _PSC object/_STA object of
+ 			power resource can't return the correct device power
+ 			state. In such case it is unneccessary to check its
+ 			power state again in power transition.
+ 			1 : disable the power state check
+
 	acpi_pm_good	[X86-32,X86-64]
 			Override the pmtimer bug detection: force the kernel
 			to assume that this machine's pmtimer latches its value
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ccae305ee55..91bdeb3b081 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -223,7 +223,19 @@ int acpi_bus_set_power(acpi_handle handle, int state)
 	/*
 	 * Get device's current power state
 	 */
-	acpi_bus_get_power(device->handle, &device->power.state);
+	if (!acpi_power_nocheck) {
+		/*
+		 * Maybe the incorrect power state is returned on the bogus
+		 * bios, which is different with the real power state.
+		 * For example: the bios returns D0 state and the real power
+		 * state is D3. OS expects to set the device to D0 state. In
+		 * such case if OS uses the power state returned by the BIOS,
+		 * the device can't be transisted to the correct power state.
+		 * So if the acpi_power_nocheck is set, it is unnecessary to
+		 * get the power state by calling acpi_bus_get_power.
+		 */
+		acpi_bus_get_power(device->handle, &device->power.state);
+	}
 	if ((state == device->power.state) && !device->flags.force_power_state) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
 				  state));
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index e7bab75075a..7ff7349c0c5 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -54,6 +54,14 @@ ACPI_MODULE_NAME("power");
 #define ACPI_POWER_RESOURCE_STATE_OFF	0x00
 #define ACPI_POWER_RESOURCE_STATE_ON	0x01
 #define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF
+
+#ifdef MODULE_PARAM_PREFIX
+#undef MODULE_PARAM_PREFIX
+#endif
+#define MODULE_PARAM_PREFIX "acpi."
+int acpi_power_nocheck;
+module_param_named(power_nocheck, acpi_power_nocheck, bool, 000);
+
 static int acpi_power_add(struct acpi_device *device);
 static int acpi_power_remove(struct acpi_device *device, int type);
 static int acpi_power_resume(struct acpi_device *device);
@@ -228,12 +236,18 @@ static int acpi_power_on(acpi_handle handle, struct acpi_device *dev)
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	result = acpi_power_get_state(resource->device->handle, &state);
-	if (result)
-		return result;
-	if (state != ACPI_POWER_RESOURCE_STATE_ON)
-		return -ENOEXEC;
-
+	if (!acpi_power_nocheck) {
+		/*
+		 * If acpi_power_nocheck is set, it is unnecessary to check
+		 * the power state after power transition.
+		 */
+		result = acpi_power_get_state(resource->device->handle,
+				&state);
+		if (result)
+			return result;
+		if (state != ACPI_POWER_RESOURCE_STATE_ON)
+			return -ENOEXEC;
+	}
 	/* Update the power resource's _device_ power state */
 	resource->device->power.state = ACPI_STATE_D0;
 
@@ -279,11 +293,17 @@ static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev)
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	result = acpi_power_get_state(handle, &state);
-	if (result)
-		return result;
-	if (state != ACPI_POWER_RESOURCE_STATE_OFF)
-		return -ENOEXEC;
+	if (!acpi_power_nocheck) {
+		/*
+		 * If acpi_power_nocheck is set, it is unnecessary to check
+		 * the power state after power transition.
+		 */
+		result = acpi_power_get_state(handle, &state);
+		if (result)
+			return result;
+		if (state != ACPI_POWER_RESOURCE_STATE_OFF)
+			return -ENOEXEC;
+	}
 
 	/* Update the power resource's _device_ power state */
 	resource->device->power.state = ACPI_STATE_D3;
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index e5f38e5ce86..efbaa271ee1 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -93,6 +93,7 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state);
 int acpi_disable_wakeup_device_power(struct acpi_device *dev);
 int acpi_power_get_inferred_state(struct acpi_device *device);
 int acpi_power_transition(struct acpi_device *device, int state);
+extern int acpi_power_nocheck;
 #endif
 
 /* --------------------------------------------------------------------------
-- 
GitLab


From 6415e12ba0f92a54f02d9c4ecaa3c82f35f3d335 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 11 Aug 2008 14:59:59 +0800
Subject: [PATCH 1917/2224] ACPI: Add DMI check to disable power state check in
 power transition

Add the DMI check to disable power check in the course of device power
transistion.

http://bugzilla.kernel.org/show_bug.cgi?id=11000

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/bus.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 91bdeb3b081..945cd2f2807 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -48,6 +48,23 @@ EXPORT_SYMBOL(acpi_root_dir);
 
 #define STRUCT_TO_INT(s)	(*((int*)&s))
 
+static int set_power_nocheck(const struct dmi_system_id *id)
+{
+	printk(KERN_NOTICE PREFIX "%s detected - "
+		"disable power check in power transistion\n", id->ident);
+	acpi_power_nocheck = 1;
+	return 0;
+}
+static struct dmi_system_id __cpuinitdata power_nocheck_dmi_table[] = {
+	{
+	set_power_nocheck, "HP Pavilion 05", {
+	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+	DMI_MATCH(DMI_SYS_VENDOR, "HP Pavilion 05"),
+	DMI_MATCH(DMI_PRODUCT_VERSION, "2001211RE101GLEND") }, NULL},
+	{},
+};
+
+
 /* --------------------------------------------------------------------------
                                 Device Management
    -------------------------------------------------------------------------- */
@@ -830,7 +847,11 @@ static int __init acpi_init(void)
 		}
 	} else
 		disable_acpi();
-
+	/*
+	 * If the laptop falls into the DMI check table, the power state check
+	 * will be disabled in the course of device power transistion.
+	 */
+	dmi_check_system(power_nocheck_dmi_table);
 	return result;
 }
 
-- 
GitLab


From 39a0ad871000d2a016a4fa113a6e53d22aabf25d Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 11 Aug 2008 13:40:22 +0800
Subject: [PATCH 1918/2224] ACPI : Load device driver according to the status
 of acpi device

According to ACPI spec when the status of some device is not present
but functional, the device is valid and the children of this device
should be enumerated. It means that the device should be added to
linux acpi device tree. But the device driver for this device should not
be loaded.
    The detailed info can be found in the section 6.3.7 of ACPI 3.0b spec.
    _STA may return bit 0 clear (not present) with bit 3 set (device is
functional). This case is used to indicate a valid device for which no
device driver should be loaded (for example, a bridge device.).
Children of this device may be present and valid. OS should continue
enumeration below a device whose _STA returns this bit combination

http://bugzilla.kernel.org/show_bug.cgi?id=3358

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Li Shaohua <shaohua.li@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/bus.c         | 16 ++++++++--------
 drivers/acpi/scan.c        | 35 +++++++++++++++++++++++++----------
 drivers/pnp/pnpacpi/core.c |  6 +++++-
 3 files changed, 38 insertions(+), 19 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 945cd2f2807..e9b116d2b56 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -112,21 +112,21 @@ int acpi_bus_get_status(struct acpi_device *device)
 	}
 
 	/*
-	 * Otherwise we assume the status of our parent (unless we don't
-	 * have one, in which case status is implied).
+	 * According to ACPI spec some device can be present and functional
+	 * even if the parent is not present but functional.
+	 * In such conditions the child device should not inherit the status
+	 * from the parent.
 	 */
-	else if (device->parent)
-		device->status = device->parent->status;
 	else
 		STRUCT_TO_INT(device->status) =
 		    ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED |
 		    ACPI_STA_DEVICE_UI      | ACPI_STA_DEVICE_FUNCTIONING;
 
 	if (device->status.functional && !device->status.present) {
-		printk(KERN_WARNING PREFIX "Device [%s] status [%08x]: "
-		       "functional but not present; setting present\n",
-		       device->pnp.bus_id, (u32) STRUCT_TO_INT(device->status));
-		device->status.present = 1;
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] status [%08x]: "
+		       "functional but not present;\n",
+			device->pnp.bus_id,
+			(u32) STRUCT_TO_INT(device->status)));
 	}
 
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] status [%08x]\n",
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index ad0679843bd..89c112ef9e1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -276,6 +276,13 @@ int acpi_match_device_ids(struct acpi_device *device,
 {
 	const struct acpi_device_id *id;
 
+	/*
+	 * If the device is not present, it is unnecessary to load device
+	 * driver for it.
+	 */
+	if (!device->status.present)
+		return -ENODEV;
+
 	if (device->flags.hardware_id) {
 		for (id = ids; id->id[0]; id++) {
 			if (!strcmp((char*)id->id, device->pnp.hardware_id))
@@ -1222,15 +1229,18 @@ acpi_add_single_object(struct acpi_device **child,
 			result = -ENODEV;
 			goto end;
 		}
-		if (!device->status.present) {
-			/* Bay and dock should be handled even if absent */
-			if (!ACPI_SUCCESS(
-			     acpi_is_child_device(device, acpi_bay_match)) &&
-			    !ACPI_SUCCESS(
-			     acpi_is_child_device(device, acpi_dock_match))) {
-					result = -ENODEV;
-					goto end;
-			}
+		/*
+		 * When the device is neither present nor functional, the
+		 * device should not be added to Linux ACPI device tree.
+		 * When the status of the device is not present but functinal,
+		 * it should be added to Linux ACPI tree. For example : bay
+		 * device , dock device.
+		 * In such conditions it is unncessary to check whether it is
+		 * bay device or dock device.
+		 */
+		if (!device->status.present && !device->status.functional) {
+			result = -ENODEV;
+			goto end;
 		}
 		break;
 	default:
@@ -1411,7 +1421,12 @@ static int acpi_bus_scan(struct acpi_device *start, struct acpi_bus_ops *ops)
 		 * TBD: Need notifications and other detection mechanisms
 		 *      in place before we can fully implement this.
 		 */
-		if (child->status.present) {
+		 /*
+		 * When the device is not present but functional, it is also
+		 * necessary to scan the children of this device.
+		 */
+		if (child->status.present || (!child->status.present &&
+					child->status.functional)) {
 			status = acpi_get_next_object(ACPI_TYPE_ANY, chandle,
 						      NULL, NULL);
 			if (ACPI_SUCCESS(status)) {
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index c1b9ea34977..98b9df7776e 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -148,9 +148,13 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
 	acpi_status status;
 	struct pnp_dev *dev;
 
+	/*
+	 * If a PnPacpi device is not present , the device
+	 * driver should not be loaded.
+	 */
 	status = acpi_get_handle(device->handle, "_CRS", &temp);
 	if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
-	    is_exclusive_device(device))
+	    is_exclusive_device(device) || (!device->status.present))
 		return 0;
 
 	dev = pnp_alloc_dev(&pnpacpi_protocol, num, acpi_device_hid(device));
-- 
GitLab


From ea5c8af9b1241a10dc4ba6cd2d2362c179884b74 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Sat, 11 Oct 2008 01:13:12 -0400
Subject: [PATCH 1919/2224] ACPI: remove unused acpi_is_child_device()

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/scan.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 89c112ef9e1..91fed422bae 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1160,20 +1160,6 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice)
 	return 0;
 }
 
-static int
-acpi_is_child_device(struct acpi_device *device,
-			int (*matcher)(struct acpi_device *))
-{
-	int result = -ENODEV;
-
-	do {
-		if (ACPI_SUCCESS(matcher(device)))
-			return AE_OK;
-	} while ((device = device->parent));
-
-	return result;
-}
-
 static int
 acpi_add_single_object(struct acpi_device **child,
 		       struct acpi_device *parent, acpi_handle handle, int type,
-- 
GitLab


From 383d7a11c9989205db44c7f1be339e5097062f03 Mon Sep 17 00:00:00 2001
From: "donald.d.dugger@intel.com" <donald.d.dugger@intel.com>
Date: Fri, 17 Oct 2008 07:49:50 -0700
Subject: [PATCH 1920/2224] ACPI: Fix possible null ptr dereference

Code in `pci_link.c' is calling the internal routine `acpi_ut_evaluate_object'
which is dangerous given that it is passing a NULL pointer when it should
be passing a pointer to a real object.  The patch corrects the issue by
having the code call the external routine `acpi_evaluate_object', which
correctly handles a NULL pointer.

Signed-off-by: Don Dugger <donald.d.dugger@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/pci_link.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index cf47805a744..65bf4fa5963 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -709,7 +709,7 @@ int acpi_pci_link_free_irq(acpi_handle handle)
 			  acpi_device_bid(link->device)));
 
 	if (link->refcnt == 0) {
-		acpi_ut_evaluate_object(link->device->handle, "_DIS", 0, NULL);
+		acpi_evaluate_object(link->device->handle, "_DIS", NULL, NULL);
 	}
 	mutex_unlock(&acpi_link_lock);
 	return (link->irq.active);
@@ -773,7 +773,7 @@ static int acpi_pci_link_add(struct acpi_device *device)
 
       end:
 	/* disable all links -- to be activated on use */
-	acpi_ut_evaluate_object(device->handle, "_DIS", 0, NULL);
+	acpi_evaluate_object(device->handle, "_DIS", NULL, NULL);
 	mutex_unlock(&acpi_link_lock);
 
 	if (result)
-- 
GitLab


From 8bdd5b9c6bd53add260756b6673a0545fbdbba21 Mon Sep 17 00:00:00 2001
From: Bob Copeland <me@bobcopeland.com>
Date: Thu, 16 Oct 2008 11:02:06 -0400
Subject: [PATCH 1921/2224] ath5k: fix suspend-related oops on rmmod
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Based on a patch by Elias Oltmanns, we call ath5k_init in resume even
if we didn't previously open the device.  Besides starting up the
device unnecessarily, this also causes an oops on rmmod because
mac80211 will not invoke ath5k_stop and softirqs are left running after
the module has been unloaded.  Add a new state bit, ATH_STAT_STARTED,
to indicate that we have been started up.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Elias Oltmanns <eo@nebensachen.de>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath5k/base.c | 27 +++++++++++++++++++--------
 drivers/net/wireless/ath5k/base.h |  3 ++-
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 9b95c4049b3..0f1d6bdd51a 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -340,9 +340,9 @@ static inline u64 ath5k_extend_tsf(struct ath5k_hw *ah, u32 rstamp)
 }
 
 /* Interrupt handling */
-static int 	ath5k_init(struct ath5k_softc *sc);
+static int 	ath5k_init(struct ath5k_softc *sc, bool is_resume);
 static int 	ath5k_stop_locked(struct ath5k_softc *sc);
-static int 	ath5k_stop_hw(struct ath5k_softc *sc);
+static int 	ath5k_stop_hw(struct ath5k_softc *sc, bool is_suspend);
 static irqreturn_t ath5k_intr(int irq, void *dev_id);
 static void 	ath5k_tasklet_reset(unsigned long data);
 
@@ -646,7 +646,7 @@ ath5k_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	ath5k_led_off(sc);
 
-	ath5k_stop_hw(sc);
+	ath5k_stop_hw(sc, true);
 
 	free_irq(pdev->irq, sc);
 	pci_save_state(pdev);
@@ -683,7 +683,7 @@ ath5k_pci_resume(struct pci_dev *pdev)
 		goto err_no_irq;
 	}
 
-	err = ath5k_init(sc);
+	err = ath5k_init(sc, true);
 	if (err)
 		goto err_irq;
 	ath5k_led_enable(sc);
@@ -2200,12 +2200,17 @@ ath5k_beacon_config(struct ath5k_softc *sc)
 \********************/
 
 static int
-ath5k_init(struct ath5k_softc *sc)
+ath5k_init(struct ath5k_softc *sc, bool is_resume)
 {
 	int ret;
 
 	mutex_lock(&sc->lock);
 
+	if (is_resume && !test_bit(ATH_STAT_STARTED, sc->status))
+		goto out_ok;
+
+	__clear_bit(ATH_STAT_STARTED, sc->status);
+
 	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "mode %d\n", sc->opmode);
 
 	/*
@@ -2230,12 +2235,15 @@ ath5k_init(struct ath5k_softc *sc)
 	if (ret)
 		goto done;
 
+	__set_bit(ATH_STAT_STARTED, sc->status);
+
 	/* Set ack to be sent at low bit-rates */
 	ath5k_hw_set_ack_bitrate_high(sc->ah, false);
 
 	mod_timer(&sc->calib_tim, round_jiffies(jiffies +
 			msecs_to_jiffies(ath5k_calinterval * 1000)));
 
+out_ok:
 	ret = 0;
 done:
 	mmiowb();
@@ -2290,7 +2298,7 @@ ath5k_stop_locked(struct ath5k_softc *sc)
  * stop is preempted).
  */
 static int
-ath5k_stop_hw(struct ath5k_softc *sc)
+ath5k_stop_hw(struct ath5k_softc *sc, bool is_suspend)
 {
 	int ret;
 
@@ -2321,6 +2329,9 @@ ath5k_stop_hw(struct ath5k_softc *sc)
 		}
 	}
 	ath5k_txbuf_free(sc, sc->bbuf);
+	if (!is_suspend)
+		__clear_bit(ATH_STAT_STARTED, sc->status);
+
 	mmiowb();
 	mutex_unlock(&sc->lock);
 
@@ -2718,12 +2729,12 @@ ath5k_reset_wake(struct ath5k_softc *sc)
 
 static int ath5k_start(struct ieee80211_hw *hw)
 {
-	return ath5k_init(hw->priv);
+	return ath5k_init(hw->priv, false);
 }
 
 static void ath5k_stop(struct ieee80211_hw *hw)
 {
-	ath5k_stop_hw(hw->priv);
+	ath5k_stop_hw(hw->priv, false);
 }
 
 static int ath5k_add_interface(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath5k/base.h b/drivers/net/wireless/ath5k/base.h
index 9d0b728928e..06d1054ca94 100644
--- a/drivers/net/wireless/ath5k/base.h
+++ b/drivers/net/wireless/ath5k/base.h
@@ -128,11 +128,12 @@ struct ath5k_softc {
 	size_t			desc_len;	/* size of TX/RX descriptors */
 	u16			cachelsz;	/* cache line size */
 
-	DECLARE_BITMAP(status, 4);
+	DECLARE_BITMAP(status, 5);
 #define ATH_STAT_INVALID	0		/* disable hardware accesses */
 #define ATH_STAT_MRRETRY	1		/* multi-rate retry support */
 #define ATH_STAT_PROMISC	2
 #define ATH_STAT_LEDSOFT	3		/* enable LED gpio status */
+#define ATH_STAT_STARTED	4		/* opened & irqs enabled */
 
 	unsigned int		filter_flags;	/* HW flags, AR5K_RX_FILTER_* */
 	unsigned int		curmode;	/* current phy mode */
-- 
GitLab


From 70458259936e723a4ac02c85bdbaf08dc69edfbe Mon Sep 17 00:00:00 2001
From: Andrey Borzenkov <arvidjaar@newmail.ru>
Date: Fri, 10 Oct 2008 21:26:30 +0400
Subject: [PATCH 1922/2224] orinoco: reduce stack usage in firmware download
 path

orinoco_dl_firmware and symbol_dl_mage allocate large local
variables (1K); at least orinoco fails with panic or hung
kernel if 4K stacks is enabled.

Allocate large buffers dynamically at run time.

Tested-By: Andrey Borzenkov <arvidjaar@mail.ru> for Agere case

Signed-off-by: Andrey Borzenkov < arvidjaar@mail.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/orinoco.c | 42 +++++++++++++++++++++++-----------
 1 file changed, 29 insertions(+), 13 deletions(-)

diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 50904771f29..e0512e49d6d 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -433,7 +433,7 @@ struct fw_info {
 const static struct fw_info orinoco_fw[] = {
 	{ "", "agere_sta_fw.bin", "agere_ap_fw.bin", 0x00390000, 1000 },
 	{ "", "prism_sta_fw.bin", "prism_ap_fw.bin", 0, 1024 },
-	{ "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", "", 0x00003100, 0x100 }
+	{ "symbol_sp24t_prim_fw", "symbol_sp24t_sec_fw", "", 0x00003100, 512 }
 };
 
 /* Structure used to access fields in FW
@@ -458,7 +458,7 @@ orinoco_dl_firmware(struct orinoco_private *priv,
 		    int ap)
 {
 	/* Plug Data Area (PDA) */
-	__le16 pda[512] = { 0 };
+	__le16 *pda;
 
 	hermes_t *hw = &priv->hw;
 	const struct firmware *fw_entry;
@@ -467,7 +467,11 @@ orinoco_dl_firmware(struct orinoco_private *priv,
 	const unsigned char *end;
 	const char *firmware;
 	struct net_device *dev = priv->ndev;
-	int err;
+	int err = 0;
+
+	pda = kzalloc(fw->pda_size, GFP_KERNEL);
+	if (!pda)
+		return -ENOMEM;
 
 	if (ap)
 		firmware = fw->ap_fw;
@@ -478,17 +482,17 @@ orinoco_dl_firmware(struct orinoco_private *priv,
 	       dev->name, firmware);
 
 	/* Read current plug data */
-	err = hermes_read_pda(hw, pda, fw->pda_addr,
-			      min_t(u16, fw->pda_size, sizeof(pda)), 0);
+	err = hermes_read_pda(hw, pda, fw->pda_addr, fw->pda_size, 0);
 	printk(KERN_DEBUG "%s: Read PDA returned %d\n", dev->name, err);
 	if (err)
-		return err;
+		goto free;
 
 	err = request_firmware(&fw_entry, firmware, priv->dev);
 	if (err) {
 		printk(KERN_ERR "%s: Cannot find firmware %s\n",
 		       dev->name, firmware);
-		return -ENOENT;
+		err = -ENOENT;
+		goto free;
 	}
 
 	hdr = (const struct orinoco_fw_header *) fw_entry->data;
@@ -532,6 +536,9 @@ orinoco_dl_firmware(struct orinoco_private *priv,
 
 abort:
 	release_firmware(fw_entry);
+
+free:
+	kfree(pda);
 	return err;
 }
 
@@ -549,12 +556,12 @@ symbol_dl_image(struct orinoco_private *priv, const struct fw_info *fw,
 		int secondary)
 {
 	hermes_t *hw = &priv->hw;
-	int ret;
+	int ret = 0;
 	const unsigned char *ptr;
 	const unsigned char *first_block;
 
 	/* Plug Data Area (PDA) */
-	__le16 pda[256];
+	__le16 *pda = NULL;
 
 	/* Binary block begins after the 0x1A marker */
 	ptr = image;
@@ -563,28 +570,33 @@ symbol_dl_image(struct orinoco_private *priv, const struct fw_info *fw,
 
 	/* Read the PDA from EEPROM */
 	if (secondary) {
-		ret = hermes_read_pda(hw, pda, fw->pda_addr, sizeof(pda), 1);
+		pda = kzalloc(fw->pda_size, GFP_KERNEL);
+		if (!pda)
+			return -ENOMEM;
+
+		ret = hermes_read_pda(hw, pda, fw->pda_addr, fw->pda_size, 1);
 		if (ret)
-			return ret;
+			goto free;
 	}
 
 	/* Stop the firmware, so that it can be safely rewritten */
 	if (priv->stop_fw) {
 		ret = priv->stop_fw(priv, 1);
 		if (ret)
-			return ret;
+			goto free;
 	}
 
 	/* Program the adapter with new firmware */
 	ret = hermes_program(hw, first_block, end);
 	if (ret)
-		return ret;
+		goto free;
 
 	/* Write the PDA to the adapter */
 	if (secondary) {
 		size_t len = hermes_blocks_length(first_block);
 		ptr = first_block + len;
 		ret = hermes_apply_pda(hw, ptr, pda);
+		kfree(pda);
 		if (ret)
 			return ret;
 	}
@@ -608,6 +620,10 @@ symbol_dl_image(struct orinoco_private *priv, const struct fw_info *fw,
 		return -ENODEV;
 
 	return 0;
+
+free:
+	kfree(pda);
+	return ret;
 }
 
 
-- 
GitLab


From 4cc683c9adbe644323e978bc63b2ab12606bb3c8 Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@web.de>
Date: Wed, 15 Oct 2008 03:30:06 +0200
Subject: [PATCH 1923/2224] p54: enable 2.4/5GHz spectrum by eeprom bits.

Badness at /home/proski/src/linux-2.6/net/mac80211/rx.c:2200
NIP: c02bc850 LR: c02ab268 CTR: 00000000
REGS: ef01fcc0 TRAP: 0700   Tainted: G        W  (2.6.27-wl)
MSR: 00029032 <EE,ME,IR,DR>  CR: 22004084  XER: 20000000
TASK = c1a58800[1778] 'p54pci' THREAD: ef01e000
[...]
NIP [c02bc850] __ieee80211_rx+0x17c/0x638
LR [c02ab268] ieee80211_tasklet_handler+0x104/0x120
Call Trace:
[ef01fd70] [c1a0c020] 0xc1a0c020 (unreliable)
[ef01fdb0] [c02ab268] ieee80211_tasklet_handler+0x104/0x120
[...]

the problem was that some older cards are mis-identified and didn't support
5GHz rates, while they have the right MAC & Synth chip.

This patch changes the way how p54 decides if it should enable 11a channels
or not.

Reported-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/p54/p54common.c | 28 ++++++++++------------------
 1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 117c7d3a52b..2d022f83774 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -306,8 +306,8 @@ static int p54_convert_rev1(struct ieee80211_hw *dev,
 	return 0;
 }
 
-static const char *p54_rf_chips[] = { "NULL", "Indigo?", "Duette",
-                              "Frisbee", "Xbow", "Longbow" };
+static const char *p54_rf_chips[] = { "NULL", "Duette3", "Duette2",
+                              "Frisbee", "Xbow", "Longbow", "NULL", "NULL" };
 static int p54_init_xbow_synth(struct ieee80211_hw *dev);
 
 static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
@@ -319,6 +319,7 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 	void *tmp;
 	int err;
 	u8 *end = (u8 *)eeprom + len;
+	u16 synth;
 	DECLARE_MAC_BUF(mac);
 
 	wrap = (struct eeprom_pda_wrap *) eeprom;
@@ -400,8 +401,8 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 			tmp = entry->data;
 			while ((u8 *)tmp < entry->data + data_len) {
 				struct bootrec_exp_if *exp_if = tmp;
-				if (le16_to_cpu(exp_if->if_id) == 0xF)
-					priv->rxhw = le16_to_cpu(exp_if->variant) & 0x07;
+				if (le16_to_cpu(exp_if->if_id) == 0xf)
+					synth = le16_to_cpu(exp_if->variant);
 				tmp += sizeof(struct bootrec_exp_if);
 			}
 			break;
@@ -427,22 +428,13 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 		goto err;
 	}
 
-	switch (priv->rxhw) {
-	case 4: /* XBow */
+	priv->rxhw = synth & 0x07;
+	if (priv->rxhw == 4)
 		p54_init_xbow_synth(dev);
-	case 1: /* Indigo? */
-	case 2: /* Duette */
-		dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz;
-	case 3: /* Frisbee */
-	case 5: /* Longbow */
+	if (!(synth & 0x40))
 		dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz;
-		break;
-	default:
-		printk(KERN_ERR "%s: unsupported RF-Chip\n",
-			wiphy_name(dev->wiphy));
-		err = -EINVAL;
-		goto err;
-	}
+	if (!(synth & 0x80))
+		dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz;
 
 	if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
 		u8 perm_addr[ETH_ALEN];
-- 
GitLab


From 75700e53cd14ccc7a5a42547497dff11fe209186 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sat, 18 Oct 2008 14:23:52 -0300
Subject: [PATCH 1924/2224] ACPI: thinkpad-acpi: attempt to preserve fan state
 on resume

Attempt to preserve fan state across sleep and hibernation if the fan
control mode is enabled.

For safety reasons, only the PWM OFF (fan at 100%) or maximum
closed-loop level (level 7) are preserved.  If the fan state was set
to anything else, it will not be restored.

Also, should the fan be at PWM OFF mode at resume, it will be left at
that state (but this is extremely unlikely, no ThinkPad firmware was
ever reported to do this).

For reference, the known states used for fan control upon resume by
the firmware  are either "auto" or "level 7" depending on whether the
laptop wakes due to normal conditions or a thermal emergency.

Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=11331

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Richard Hartmann <richih.mailinglist@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/thinkpad_acpi.c | 48 ++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 6b9300779a4..1dcf0660d8b 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -5983,6 +5983,52 @@ static void fan_exit(void)
 	flush_workqueue(tpacpi_wq);
 }
 
+static void fan_suspend(pm_message_t state)
+{
+	if (!fan_control_allowed)
+		return;
+
+	/* Store fan status in cache */
+	fan_get_status_safe(NULL);
+	if (tp_features.fan_ctrl_status_undef)
+		fan_control_desired_level = TP_EC_FAN_AUTO;
+}
+
+static void fan_resume(void)
+{
+	u8 saved_fan_level;
+	u8 current_level = 7;
+	bool do_set = false;
+
+	/* DSDT *always* updates status on resume */
+	tp_features.fan_ctrl_status_undef = 0;
+
+	saved_fan_level = fan_control_desired_level;
+	if (!fan_control_allowed ||
+	    (fan_get_status_safe(&current_level) < 0))
+		return;
+
+	switch (fan_control_access_mode) {
+	case TPACPI_FAN_WR_ACPI_SFAN:
+		do_set = (saved_fan_level > current_level);
+		break;
+	case TPACPI_FAN_WR_ACPI_FANS:
+	case TPACPI_FAN_WR_TPEC:
+		do_set = ((saved_fan_level & TP_EC_FAN_FULLSPEED) ||
+			  (saved_fan_level == 7 &&
+			   !(current_level & TP_EC_FAN_FULLSPEED)));
+		break;
+	default:
+		return;
+	}
+	if (do_set) {
+		printk(TPACPI_NOTICE
+			"restoring fan level to 0x%02x\n",
+			saved_fan_level);
+		fan_set_level_safe(saved_fan_level);
+	}
+}
+
 static int fan_read(char *p)
 {
 	int len = 0;
@@ -6174,6 +6220,8 @@ static struct ibm_struct fan_driver_data = {
 	.read = fan_read,
 	.write = fan_write,
 	.exit = fan_exit,
+	.suspend = fan_suspend,
+	.resume = fan_resume,
 };
 
 /****************************************************************************
-- 
GitLab


From 4f778b92c9d8d87c670fc063c66edf1aa46f6f1c Mon Sep 17 00:00:00 2001
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Sat, 18 Oct 2008 14:23:53 -0300
Subject: [PATCH 1925/2224] ACPI: thinkpad-acpi: trivial fix of error message

Trivial fix makes the error message match the code before it (ibm->driver
vs ibm->acpi-driver) better.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/thinkpad_acpi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 1dcf0660d8b..6c9b6c89228 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -582,7 +582,8 @@ static int __init register_tpacpi_subdriver(struct ibm_struct *ibm)
 
 	ibm->acpi->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL);
 	if (!ibm->acpi->driver) {
-		printk(TPACPI_ERR "kzalloc(ibm->driver) failed\n");
+		printk(TPACPI_ERR
+		       "failed to allocate memory for ibm->acpi->driver\n");
 		return -ENOMEM;
 	}
 
-- 
GitLab


From 396293237cbc964fcedd4208cbc0d0f4880a98bb Mon Sep 17 00:00:00 2001
From: Pascal Terjan <pterjan@mandriva.com>
Date: Sat, 18 Oct 2008 14:23:54 -0300
Subject: [PATCH 1926/2224] ACPI: thinkpad-acpi: Remove duplicate line

Signed-off-by: Pascal Terjan <pterjan@mandriva.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/thinkpad_acpi.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 6c9b6c89228..4c47f9b8047 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -158,7 +158,6 @@ enum {
 #define TPACPI_INFO   KERN_INFO   TPACPI_LOG
 #define TPACPI_DEBUG  KERN_DEBUG  TPACPI_LOG
 
-#define TPACPI_DBG_ALL		0xffff
 #define TPACPI_DBG_ALL		0xffff
 #define TPACPI_DBG_INIT		0x0001
 #define TPACPI_DBG_EXIT		0x0002
-- 
GitLab


From d64c81c4cea0a14e88fc76e2c845e4885e491754 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sat, 18 Oct 2008 14:23:55 -0300
Subject: [PATCH 1927/2224] ACPI: thinkpad-acpi: Remove firmware backlight
 delays for Intel ACPI IGD OpRegion

Based on analysis and a patch from Matthew Garrett <mjg59@srcf.ucam.org>.

Instruct the ThinkPad ACPI firmware to remove delays on the processing of
backlight brightness changes.  This method is present on ThinkPad
Vista-compatible BIOSes with standard ACPI backlight level control.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Yves-Alexis Perez <corsac@debian.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/thinkpad_acpi.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 4c47f9b8047..17b8281deee 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -838,6 +838,13 @@ static int parse_strtoul(const char *buf,
 	return 0;
 }
 
+static void tpacpi_disable_brightness_delay(void)
+{
+	if (acpi_evalf(hkey_handle, NULL, "PWMS", "qvd", 0))
+		printk(TPACPI_NOTICE
+			"ACPI backlight control delay disabled\n");
+}
+
 static int __init tpacpi_query_bcl_levels(acpi_handle handle)
 {
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -2139,6 +2146,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 	if (!tp_features.hotkey)
 		return 1;
 
+	tpacpi_disable_brightness_delay();
+
 	hotkey_dev_attributes = create_attr_set(13, NULL);
 	if (!hotkey_dev_attributes)
 		return -ENOMEM;
@@ -2512,6 +2521,8 @@ static void hotkey_suspend(pm_message_t state)
 
 static void hotkey_resume(void)
 {
+	tpacpi_disable_brightness_delay();
+
 	if (hotkey_mask_get())
 		printk(TPACPI_ERR
 		       "error while trying to read hot key mask "
-- 
GitLab


From 7ba427c2363d91d4221843a9ae601f90f8d928b9 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Fri, 17 Oct 2008 13:46:08 -0700
Subject: [PATCH 1928/2224] panasonic-laptop: depends on ACPI

panasonic-laptop uses many acpi_*() functions so it should
depend on ACPI; otherwise there are approximately 70
warnings/errors generated.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 4ed83575393..ec21994a2da 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -247,7 +247,7 @@ config MSI_LAPTOP
 
 config PANASONIC_LAPTOP
 	tristate "Panasonic Laptop Extras"
-	depends on X86 && INPUT
+	depends on X86 && INPUT && ACPI
         depends on BACKLIGHT_CLASS_DEVICE
 	---help---
 	  This driver adds support for access to backlight control and hotkeys
-- 
GitLab


From 7ff93f8b7ecbc36e7ffc5c11a61643821c1bfee5 Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Wed, 22 Oct 2008 15:38:42 -0700
Subject: [PATCH 1929/2224] mlx4_core: Multiple port type support

Multi-protocol adapters support different port types.  Each consumer
of mlx4_core queries for supported port types; in particular mlx4_ib
can no longer assume that all physical ports belong to it.  Port type
is configured through a sysfs interface.  When the type of a port is
changed, all mlx4 interfaces are unregistered, and then registered
again with the new port types.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/mlx4/mad.c     |   6 +-
 drivers/infiniband/hw/mlx4/main.c    |  11 +-
 drivers/infiniband/hw/mlx4/mlx4_ib.h |   1 +
 drivers/net/mlx4/fw.c                |   4 +
 drivers/net/mlx4/fw.h                |   1 +
 drivers/net/mlx4/main.c              | 211 ++++++++++++++++++++++++++-
 drivers/net/mlx4/mlx4.h              |   6 +
 drivers/net/mlx4/port.c              |  23 +++
 include/linux/mlx4/device.h          |  14 ++
 9 files changed, 266 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index cdca3a511e1..606f1e2ef28 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -298,7 +298,7 @@ int mlx4_ib_mad_init(struct mlx4_ib_dev *dev)
 	int p, q;
 	int ret;
 
-	for (p = 0; p < dev->dev->caps.num_ports; ++p)
+	for (p = 0; p < dev->num_ports; ++p)
 		for (q = 0; q <= 1; ++q) {
 			agent = ib_register_mad_agent(&dev->ib_dev, p + 1,
 						      q ? IB_QPT_GSI : IB_QPT_SMI,
@@ -314,7 +314,7 @@ int mlx4_ib_mad_init(struct mlx4_ib_dev *dev)
 	return 0;
 
 err:
-	for (p = 0; p < dev->dev->caps.num_ports; ++p)
+	for (p = 0; p < dev->num_ports; ++p)
 		for (q = 0; q <= 1; ++q)
 			if (dev->send_agent[p][q])
 				ib_unregister_mad_agent(dev->send_agent[p][q]);
@@ -327,7 +327,7 @@ void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev)
 	struct ib_mad_agent *agent;
 	int p, q;
 
-	for (p = 0; p < dev->dev->caps.num_ports; ++p) {
+	for (p = 0; p < dev->num_ports; ++p) {
 		for (q = 0; q <= 1; ++q) {
 			agent = dev->send_agent[p][q];
 			dev->send_agent[p][q] = NULL;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index a3c2851c054..2e80f8f47b0 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -574,7 +574,10 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 	ibdev->ib_dev.owner		= THIS_MODULE;
 	ibdev->ib_dev.node_type		= RDMA_NODE_IB_CA;
 	ibdev->ib_dev.local_dma_lkey	= dev->caps.reserved_lkey;
-	ibdev->ib_dev.phys_port_cnt	= dev->caps.num_ports;
+	ibdev->num_ports = 0;
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+		ibdev->num_ports++;
+	ibdev->ib_dev.phys_port_cnt     = ibdev->num_ports;
 	ibdev->ib_dev.num_comp_vectors	= 1;
 	ibdev->ib_dev.dma_device	= &dev->pdev->dev;
 
@@ -691,7 +694,7 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
 	struct mlx4_ib_dev *ibdev = ibdev_ptr;
 	int p;
 
-	for (p = 1; p <= dev->caps.num_ports; ++p)
+	for (p = 1; p <= ibdev->num_ports; ++p)
 		mlx4_CLOSE_PORT(dev, p);
 
 	mlx4_ib_mad_cleanup(ibdev);
@@ -706,6 +709,10 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
 			  enum mlx4_dev_event event, int port)
 {
 	struct ib_event ibev;
+	struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr);
+
+	if (port > ibdev->num_ports)
+		return;
 
 	switch (event) {
 	case MLX4_DEV_EVENT_PORT_UP:
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 6e2b0dc21b6..9974e886b8d 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -162,6 +162,7 @@ struct mlx4_ib_ah {
 struct mlx4_ib_dev {
 	struct ib_device	ib_dev;
 	struct mlx4_dev	       *dev;
+	int			num_ports;
 	void __iomem	       *uar_map;
 
 	struct mlx4_uar		priv_uar;
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 8d402db9a03..be09fdb79cb 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -88,6 +88,7 @@ static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
 		[ 8] = "P_Key violation counter",
 		[ 9] = "Q_Key violation counter",
 		[10] = "VMM",
+		[12] = "DPDP",
 		[16] = "MW support",
 		[17] = "APM support",
 		[18] = "Atomic ops support",
@@ -354,6 +355,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 			dev_cap->max_pkeys[i]	   = 1 << (field & 0xf);
 		}
 	} else {
+#define QUERY_PORT_SUPPORTED_TYPE_OFFSET	0x00
 #define QUERY_PORT_MTU_OFFSET			0x01
 #define QUERY_PORT_ETH_MTU_OFFSET		0x02
 #define QUERY_PORT_WIDTH_OFFSET			0x06
@@ -368,6 +370,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 			if (err)
 				goto out;
 
+			MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET);
+			dev_cap->supported_port_types[i] = field & 3;
 			MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET);
 			dev_cap->ib_mtu[i]	   = field & 0xf;
 			MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET);
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index d0913d4d262..526d7f30c04 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -104,6 +104,7 @@ struct mlx4_dev_cap {
 	u32 reserved_lkey;
 	u64 max_icm_sz;
 	int max_gso_sz;
+	u8  supported_port_types[MLX4_MAX_PORTS + 1];
 	u8  log_max_macs[MLX4_MAX_PORTS + 1];
 	u8  log_max_vlans[MLX4_MAX_PORTS + 1];
 };
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 0a5c8bfb3f1..c1d447873bf 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -98,6 +98,44 @@ module_param_named(use_prio, use_prio, bool, 0444);
 MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
 		  "(0/1, default 0)");
 
+static int mlx4_check_port_params(struct mlx4_dev *dev,
+				  enum mlx4_port_type *port_type)
+{
+	int i;
+
+	for (i = 0; i < dev->caps.num_ports - 1; i++) {
+		if (port_type[i] != port_type[i+1] &&
+		    !(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
+			mlx4_err(dev, "Only same port types supported "
+				 "on this HCA, aborting.\n");
+			return -EINVAL;
+		}
+	}
+	if ((port_type[0] == MLX4_PORT_TYPE_ETH) &&
+	    (port_type[1] == MLX4_PORT_TYPE_IB)) {
+		mlx4_err(dev, "eth-ib configuration is not supported.\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < dev->caps.num_ports; i++) {
+		if (!(port_type[i] & dev->caps.supported_type[i+1])) {
+			mlx4_err(dev, "Requested port type for port %d is not "
+				      "supported on this HCA\n", i + 1);
+			return -EINVAL;
+		}
+	}
+	return 0;
+}
+
+static void mlx4_set_port_mask(struct mlx4_dev *dev)
+{
+	int i;
+
+	dev->caps.port_mask = 0;
+	for (i = 1; i <= dev->caps.num_ports; ++i)
+		if (dev->caps.port_type[i] == MLX4_PORT_TYPE_IB)
+			dev->caps.port_mask |= 1 << (i - 1);
+}
 static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 {
 	int err;
@@ -139,6 +177,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 		dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
 		dev->caps.eth_mtu_cap[i]    = dev_cap->eth_mtu[i];
 		dev->caps.def_mac[i]        = dev_cap->def_mac[i];
+		dev->caps.supported_type[i] = dev_cap->supported_port_types[i];
 	}
 
 	dev->caps.num_uars	     = dev_cap->uar_size / PAGE_SIZE;
@@ -182,6 +221,11 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev->caps.log_num_prios = use_prio ? 3 : 0;
 
 	for (i = 1; i <= dev->caps.num_ports; ++i) {
+		if (dev->caps.supported_type[i] != MLX4_PORT_TYPE_ETH)
+			dev->caps.port_type[i] = MLX4_PORT_TYPE_IB;
+		else
+			dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH;
+
 		if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
 			dev->caps.log_num_macs = dev_cap->log_max_macs[i];
 			mlx4_warn(dev, "Requested number of MACs is too much "
@@ -196,6 +240,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 		}
 	}
 
+	mlx4_set_port_mask(dev);
+
 	dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
 	dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
 		dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] =
@@ -213,6 +259,95 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	return 0;
 }
 
+/*
+ * Change the port configuration of the device.
+ * Every user of this function must hold the port mutex.
+ */
+static int mlx4_change_port_types(struct mlx4_dev *dev,
+				  enum mlx4_port_type *port_types)
+{
+	int err = 0;
+	int change = 0;
+	int port;
+
+	for (port = 0; port <  dev->caps.num_ports; port++) {
+		if (port_types[port] != dev->caps.port_type[port + 1]) {
+			change = 1;
+			dev->caps.port_type[port + 1] = port_types[port];
+		}
+	}
+	if (change) {
+		mlx4_unregister_device(dev);
+		for (port = 1; port <= dev->caps.num_ports; port++) {
+			mlx4_CLOSE_PORT(dev, port);
+			err = mlx4_SET_PORT(dev, port);
+			if (err) {
+				mlx4_err(dev, "Failed to set port %d, "
+					      "aborting\n", port);
+				goto out;
+			}
+		}
+		mlx4_set_port_mask(dev);
+		err = mlx4_register_device(dev);
+	}
+
+out:
+	return err;
+}
+
+static ssize_t show_port_type(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
+						   port_attr);
+	struct mlx4_dev *mdev = info->dev;
+
+	return sprintf(buf, "%s\n",
+		       mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB ?
+		       "ib" : "eth");
+}
+
+static ssize_t set_port_type(struct device *dev,
+			     struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
+						   port_attr);
+	struct mlx4_dev *mdev = info->dev;
+	struct mlx4_priv *priv = mlx4_priv(mdev);
+	enum mlx4_port_type types[MLX4_MAX_PORTS];
+	int i;
+	int err = 0;
+
+	if (!strcmp(buf, "ib\n"))
+		info->tmp_type = MLX4_PORT_TYPE_IB;
+	else if (!strcmp(buf, "eth\n"))
+		info->tmp_type = MLX4_PORT_TYPE_ETH;
+	else {
+		mlx4_err(mdev, "%s is not supported port type\n", buf);
+		return -EINVAL;
+	}
+
+	mutex_lock(&priv->port_mutex);
+	for (i = 0; i < mdev->caps.num_ports; i++)
+		types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type :
+					mdev->caps.port_type[i+1];
+
+	err = mlx4_check_port_params(mdev, types);
+	if (err)
+		goto out;
+
+	for (i = 1; i <= mdev->caps.num_ports; i++)
+		priv->port[i].tmp_type = 0;
+
+	err = mlx4_change_port_types(mdev, types);
+
+out:
+	mutex_unlock(&priv->port_mutex);
+	return err ? err : count;
+}
+
 static int mlx4_load_fw(struct mlx4_dev *dev)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
@@ -617,6 +752,7 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	int err;
+	int port;
 
 	err = mlx4_init_uar_table(dev);
 	if (err) {
@@ -715,8 +851,20 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
 		goto err_qp_table_free;
 	}
 
+	for (port = 1; port <= dev->caps.num_ports; port++) {
+		err = mlx4_SET_PORT(dev, port);
+		if (err) {
+			mlx4_err(dev, "Failed to set port %d, aborting\n",
+				port);
+			goto err_mcg_table_free;
+		}
+	}
+
 	return 0;
 
+err_mcg_table_free:
+	mlx4_cleanup_mcg_table(dev);
+
 err_qp_table_free:
 	mlx4_cleanup_qp_table(dev);
 
@@ -780,14 +928,37 @@ no_msi:
 		priv->eq_table.eq[i].irq = dev->pdev->irq;
 }
 
-static void mlx4_init_port_info(struct mlx4_dev *dev, int port)
+static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
 {
 	struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
+	int err = 0;
 
 	info->dev = dev;
 	info->port = port;
 	mlx4_init_mac_table(dev, &info->mac_table);
 	mlx4_init_vlan_table(dev, &info->vlan_table);
+
+	sprintf(info->dev_name, "mlx4_port%d", port);
+	info->port_attr.attr.name = info->dev_name;
+	info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
+	info->port_attr.show      = show_port_type;
+	info->port_attr.store     = set_port_type;
+
+	err = device_create_file(&dev->pdev->dev, &info->port_attr);
+	if (err) {
+		mlx4_err(dev, "Failed to create file for port %d\n", port);
+		info->port = -1;
+	}
+
+	return err;
+}
+
+static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
+{
+	if (info->port < 0)
+		return;
+
+	device_remove_file(&info->dev->pdev->dev, &info->port_attr);
 }
 
 static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -870,6 +1041,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	INIT_LIST_HEAD(&priv->ctx_list);
 	spin_lock_init(&priv->ctx_lock);
 
+	mutex_init(&priv->port_mutex);
+
 	INIT_LIST_HEAD(&priv->pgdir_list);
 	mutex_init(&priv->pgdir_mutex);
 
@@ -905,18 +1078,24 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err)
 		goto err_close;
 
-	for (port = 1; port <= dev->caps.num_ports; port++)
-		mlx4_init_port_info(dev, port);
+	for (port = 1; port <= dev->caps.num_ports; port++) {
+		err = mlx4_init_port_info(dev, port);
+		if (err)
+			goto err_port;
+	}
 
 	err = mlx4_register_device(dev);
 	if (err)
-		goto err_cleanup;
+		goto err_port;
 
 	pci_set_drvdata(pdev, dev);
 
 	return 0;
 
-err_cleanup:
+err_port:
+	for (port = 1; port <= dev->caps.num_ports; port++)
+		mlx4_cleanup_port_info(&priv->port[port]);
+
 	mlx4_cleanup_mcg_table(dev);
 	mlx4_cleanup_qp_table(dev);
 	mlx4_cleanup_srq_table(dev);
@@ -973,8 +1152,10 @@ static void mlx4_remove_one(struct pci_dev *pdev)
 	if (dev) {
 		mlx4_unregister_device(dev);
 
-		for (p = 1; p <= dev->caps.num_ports; ++p)
+		for (p = 1; p <= dev->caps.num_ports; p++) {
+			mlx4_cleanup_port_info(&priv->port[p]);
 			mlx4_CLOSE_PORT(dev, p);
+		}
 
 		mlx4_cleanup_mcg_table(dev);
 		mlx4_cleanup_qp_table(dev);
@@ -1026,10 +1207,28 @@ static struct pci_driver mlx4_driver = {
 	.remove		= __devexit_p(mlx4_remove_one)
 };
 
+static int __init mlx4_verify_params(void)
+{
+	if ((log_num_mac < 0) || (log_num_mac > 7)) {
+		printk(KERN_WARNING "mlx4_core: bad num_mac: %d\n", log_num_mac);
+		return -1;
+	}
+
+	if ((log_num_vlan < 0) || (log_num_vlan > 7)) {
+		printk(KERN_WARNING "mlx4_core: bad num_vlan: %d\n", log_num_vlan);
+		return -1;
+	}
+
+	return 0;
+}
+
 static int __init mlx4_init(void)
 {
 	int ret;
 
+	if (mlx4_verify_params())
+		return -EINVAL;
+
 	ret = mlx4_catas_init();
 	if (ret)
 		return ret;
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 23309f381ee..fa431fad0ee 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -277,6 +277,9 @@ struct mlx4_vlan_table {
 struct mlx4_port_info {
 	struct mlx4_dev	       *dev;
 	int			port;
+	char			dev_name[16];
+	struct device_attribute port_attr;
+	enum mlx4_port_type	tmp_type;
 	struct mlx4_mac_table	mac_table;
 	struct mlx4_vlan_table	vlan_table;
 };
@@ -310,6 +313,7 @@ struct mlx4_priv {
 	struct mlx4_uar		driver_uar;
 	void __iomem	       *kar;
 	struct mlx4_port_info	port[MLX4_MAX_PORTS + 1];
+	struct mutex		port_mutex;
 };
 
 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
@@ -383,4 +387,6 @@ void mlx4_handle_catas_err(struct mlx4_dev *dev);
 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
 
+int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
+
 #endif /* MLX4_H */
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
index 8644f3d978e..e2fdab42c4c 100644
--- a/drivers/net/mlx4/port.c
+++ b/drivers/net/mlx4/port.c
@@ -257,3 +257,26 @@ out:
 	mutex_unlock(&table->mutex);
 }
 EXPORT_SYMBOL_GPL(mlx4_unregister_vlan);
+
+int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
+{
+	struct mlx4_cmd_mailbox *mailbox;
+	int err;
+	u8 is_eth = dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	memset(mailbox->buf, 0, 256);
+	if (is_eth) {
+		((u8 *) mailbox->buf)[3] = 6;
+		((__be16 *) mailbox->buf)[4] = cpu_to_be16(1 << 15);
+		((__be16 *) mailbox->buf)[6] = cpu_to_be16(1 << 15);
+	}
+	err = mlx4_cmd(dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT,
+		       MLX4_CMD_TIME_CLASS_B);
+
+	mlx4_free_cmd_mailbox(dev, mailbox);
+	return err;
+}
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 1951fe70a25..bd9977b8949 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -60,6 +60,7 @@ enum {
 	MLX4_DEV_CAP_FLAG_IPOIB_CSUM	= 1 <<  7,
 	MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR	= 1 <<  8,
 	MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR	= 1 <<  9,
+	MLX4_DEV_CAP_FLAG_DPDP		= 1 << 12,
 	MLX4_DEV_CAP_FLAG_MEM_WINDOW	= 1 << 16,
 	MLX4_DEV_CAP_FLAG_APM		= 1 << 17,
 	MLX4_DEV_CAP_FLAG_ATOMIC	= 1 << 18,
@@ -153,6 +154,11 @@ enum mlx4_qp_region {
 	MLX4_NUM_QP_REGION
 };
 
+enum mlx4_port_type {
+	MLX4_PORT_TYPE_IB	= 1 << 0,
+	MLX4_PORT_TYPE_ETH	= 1 << 1,
+};
+
 enum mlx4_special_vlan_idx {
 	MLX4_NO_VLAN_IDX        = 0,
 	MLX4_VLAN_MISS_IDX,
@@ -226,6 +232,9 @@ struct mlx4_caps {
 	int                     log_num_macs;
 	int                     log_num_vlans;
 	int                     log_num_prios;
+	enum mlx4_port_type	port_type[MLX4_MAX_PORTS + 1];
+	u8			supported_type[MLX4_MAX_PORTS + 1];
+	u32			port_mask;
 };
 
 struct mlx4_buf_list {
@@ -380,6 +389,11 @@ struct mlx4_init_port_param {
 	u64			si_guid;
 };
 
+#define mlx4_foreach_port(port, dev, type)				\
+	for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++)	\
+		if (((type) == MLX4_PORT_TYPE_IB ? (dev)->caps.port_mask : \
+		     ~(dev)->caps.port_mask) & 1 << ((port) - 1))
+
 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
 		   struct mlx4_buf *buf);
 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);
-- 
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From c27a02cd94d6695fbe5858ca364b1e415af02212 Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Wed, 22 Oct 2008 15:47:49 -0700
Subject: [PATCH 1930/2224] mlx4_en: Add driver for Mellanox ConnectX 10GbE NIC

The Mellanox ConnectX can operate as an InfiniBand adapter, as an
Ethernet NIC, or as a Fibre Channel (FC) HBA.  The kernel has a
low-level driver, mlx4_core, which handles multiplexing access to the
device, and there is also already an InfiniBad driver, mlx4_ib.

This patch adds a new driver, mlx4_en, which implements a standard
Ethernet NIC driver.

Signed-off-by: Liran Liss <liranl@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/net/Kconfig             |    9 +
 drivers/net/mlx4/Makefile       |    5 +
 drivers/net/mlx4/en_cq.c        |  146 +++++
 drivers/net/mlx4/en_main.c      |  254 ++++++++
 drivers/net/mlx4/en_netdev.c    | 1088 +++++++++++++++++++++++++++++++
 drivers/net/mlx4/en_params.c    |  480 ++++++++++++++
 drivers/net/mlx4/en_port.c      |  261 ++++++++
 drivers/net/mlx4/en_port.h      |  570 ++++++++++++++++
 drivers/net/mlx4/en_resources.c |   96 +++
 drivers/net/mlx4/en_rx.c        | 1080 ++++++++++++++++++++++++++++++
 drivers/net/mlx4/en_tx.c        |  820 +++++++++++++++++++++++
 drivers/net/mlx4/mlx4_en.h      |  561 ++++++++++++++++
 12 files changed, 5370 insertions(+)
 create mode 100644 drivers/net/mlx4/en_cq.c
 create mode 100644 drivers/net/mlx4/en_main.c
 create mode 100644 drivers/net/mlx4/en_netdev.c
 create mode 100644 drivers/net/mlx4/en_params.c
 create mode 100644 drivers/net/mlx4/en_port.c
 create mode 100644 drivers/net/mlx4/en_port.h
 create mode 100644 drivers/net/mlx4/en_resources.c
 create mode 100644 drivers/net/mlx4/en_rx.c
 create mode 100644 drivers/net/mlx4/en_tx.c
 create mode 100644 drivers/net/mlx4/mlx4_en.h

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 4a11296a951..69e2c10cb9f 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2465,6 +2465,15 @@ config PASEMI_MAC
 	  This driver supports the on-chip 1/10Gbit Ethernet controller on
 	  PA Semi's PWRficient line of chips.
 
+config MLX4_EN
+	tristate "Mellanox Technologies 10Gbit Ethernet support"
+	depends on PCI && INET
+	select MLX4_CORE
+	select INET_LRO
+	help
+	  This driver supports Mellanox Technologies ConnectX Ethernet
+	  devices.
+
 config MLX4_CORE
 	tristate
 	depends on PCI
diff --git a/drivers/net/mlx4/Makefile b/drivers/net/mlx4/Makefile
index 9f493666e27..a7a97bf998f 100644
--- a/drivers/net/mlx4/Makefile
+++ b/drivers/net/mlx4/Makefile
@@ -2,3 +2,8 @@ obj-$(CONFIG_MLX4_CORE)		+= mlx4_core.o
 
 mlx4_core-y :=	alloc.o catas.o cmd.o cq.o eq.o fw.o icm.o intf.o main.o mcg.o \
 		mr.o pd.o port.o profile.o qp.o reset.o srq.o
+
+obj-$(CONFIG_MLX4_EN)               += mlx4_en.o
+
+mlx4_en-y := 	en_main.o en_tx.o en_rx.o en_params.o en_port.o en_cq.o \
+		en_resources.o en_netdev.o
diff --git a/drivers/net/mlx4/en_cq.c b/drivers/net/mlx4/en_cq.c
new file mode 100644
index 00000000000..1368a8010af
--- /dev/null
+++ b/drivers/net/mlx4/en_cq.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/mlx4/cq.h>
+#include <linux/mlx4/qp.h>
+#include <linux/mlx4/cmd.h>
+
+#include "mlx4_en.h"
+
+static void mlx4_en_cq_event(struct mlx4_cq *cq, enum mlx4_event event)
+{
+	return;
+}
+
+
+int mlx4_en_create_cq(struct mlx4_en_priv *priv,
+		      struct mlx4_en_cq *cq,
+		      int entries, int ring, enum cq_type mode)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	cq->size = entries;
+	if (mode == RX)
+		cq->buf_size = cq->size * sizeof(struct mlx4_cqe);
+	else
+		cq->buf_size = sizeof(struct mlx4_cqe);
+
+	cq->ring = ring;
+	cq->is_tx = mode;
+	spin_lock_init(&cq->lock);
+
+	err = mlx4_alloc_hwq_res(mdev->dev, &cq->wqres,
+				cq->buf_size, 2 * PAGE_SIZE);
+	if (err)
+		return err;
+
+	err = mlx4_en_map_buffer(&cq->wqres.buf);
+	if (err)
+		mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
+
+	return err;
+}
+
+int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	cq->dev = mdev->pndev[priv->port];
+	cq->mcq.set_ci_db  = cq->wqres.db.db;
+	cq->mcq.arm_db     = cq->wqres.db.db + 1;
+	*cq->mcq.set_ci_db = 0;
+	*cq->mcq.arm_db    = 0;
+	cq->buf = (struct mlx4_cqe *) cq->wqres.buf.direct.buf;
+	memset(cq->buf, 0, cq->buf_size);
+
+	err = mlx4_cq_alloc(mdev->dev, cq->size, &cq->wqres.mtt, &mdev->priv_uar,
+			    cq->wqres.db.dma, &cq->mcq, cq->is_tx);
+	if (err)
+		return err;
+
+	cq->mcq.comp  = cq->is_tx ? mlx4_en_tx_irq : mlx4_en_rx_irq;
+	cq->mcq.event = mlx4_en_cq_event;
+
+	if (cq->is_tx) {
+		init_timer(&cq->timer);
+		cq->timer.function = mlx4_en_poll_tx_cq;
+		cq->timer.data = (unsigned long) cq;
+	} else {
+		netif_napi_add(cq->dev, &cq->napi, mlx4_en_poll_rx_cq, 64);
+		napi_enable(&cq->napi);
+	}
+
+	return 0;
+}
+
+void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	mlx4_en_unmap_buffer(&cq->wqres.buf);
+	mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
+	cq->buf_size = 0;
+	cq->buf = NULL;
+}
+
+void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	if (cq->is_tx)
+		del_timer(&cq->timer);
+	else
+		napi_disable(&cq->napi);
+
+	mlx4_cq_free(mdev->dev, &cq->mcq);
+}
+
+/* Set rx cq moderation parameters */
+int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
+{
+	return mlx4_cq_modify(priv->mdev->dev, &cq->mcq,
+			      cq->moder_cnt, cq->moder_time);
+}
+
+int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
+{
+	cq->armed = 1;
+	mlx4_cq_arm(&cq->mcq, MLX4_CQ_DB_REQ_NOT, priv->mdev->uar_map,
+		    &priv->mdev->uar_lock);
+
+	return 0;
+}
+
+
diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c
new file mode 100644
index 00000000000..1b0eebf84f7
--- /dev/null
+++ b/drivers/net/mlx4/en_main.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/cpumask.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/cpumask.h>
+
+#include <linux/mlx4/driver.h>
+#include <linux/mlx4/device.h>
+#include <linux/mlx4/cmd.h>
+
+#include "mlx4_en.h"
+
+MODULE_AUTHOR("Liran Liss, Yevgeny Petrilin");
+MODULE_DESCRIPTION("Mellanox ConnectX HCA Ethernet driver");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_VERSION(DRV_VERSION " ("DRV_RELDATE")");
+
+static const char mlx4_en_version[] =
+	DRV_NAME ": Mellanox ConnectX HCA Ethernet driver v"
+	DRV_VERSION " (" DRV_RELDATE ")\n";
+
+static void mlx4_en_event(struct mlx4_dev *dev, void *endev_ptr,
+			  enum mlx4_dev_event event, int port)
+{
+	struct mlx4_en_dev *mdev = (struct mlx4_en_dev *) endev_ptr;
+	struct mlx4_en_priv *priv;
+
+	if (!mdev->pndev[port])
+		return;
+
+	priv = netdev_priv(mdev->pndev[port]);
+	switch (event) {
+	case MLX4_DEV_EVENT_PORT_UP:
+	case MLX4_DEV_EVENT_PORT_DOWN:
+		/* To prevent races, we poll the link state in a separate
+		  task rather than changing it here */
+		priv->link_state = event;
+		queue_work(mdev->workqueue, &priv->linkstate_task);
+		break;
+
+	case MLX4_DEV_EVENT_CATASTROPHIC_ERROR:
+		mlx4_err(mdev, "Internal error detected, restarting device\n");
+		break;
+
+	default:
+		mlx4_warn(mdev, "Unhandled event: %d\n", event);
+	}
+}
+
+static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
+{
+	struct mlx4_en_dev *mdev = endev_ptr;
+	int i;
+
+	mutex_lock(&mdev->state_lock);
+	mdev->device_up = false;
+	mutex_unlock(&mdev->state_lock);
+
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
+		if (mdev->pndev[i])
+			mlx4_en_destroy_netdev(mdev->pndev[i]);
+
+	flush_workqueue(mdev->workqueue);
+	destroy_workqueue(mdev->workqueue);
+	mlx4_mr_free(dev, &mdev->mr);
+	mlx4_uar_free(dev, &mdev->priv_uar);
+	mlx4_pd_free(dev, mdev->priv_pdn);
+	kfree(mdev);
+}
+
+static void *mlx4_en_add(struct mlx4_dev *dev)
+{
+	static int mlx4_en_version_printed;
+	struct mlx4_en_dev *mdev;
+	int i;
+	int err;
+
+	if (!mlx4_en_version_printed) {
+		printk(KERN_INFO "%s", mlx4_en_version);
+		mlx4_en_version_printed++;
+	}
+
+	mdev = kzalloc(sizeof *mdev, GFP_KERNEL);
+	if (!mdev) {
+		dev_err(&dev->pdev->dev, "Device struct alloc failed, "
+			"aborting.\n");
+		err = -ENOMEM;
+		goto err_free_res;
+	}
+
+	if (mlx4_pd_alloc(dev, &mdev->priv_pdn))
+		goto err_free_dev;
+
+	if (mlx4_uar_alloc(dev, &mdev->priv_uar))
+		goto err_pd;
+
+	mdev->uar_map = ioremap(mdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
+	if (!mdev->uar_map)
+		goto err_uar;
+	spin_lock_init(&mdev->uar_lock);
+
+	mdev->dev = dev;
+	mdev->dma_device = &(dev->pdev->dev);
+	mdev->pdev = dev->pdev;
+	mdev->device_up = false;
+
+	mdev->LSO_support = !!(dev->caps.flags & (1 << 15));
+	if (!mdev->LSO_support)
+		mlx4_warn(mdev, "LSO not supported, please upgrade to later "
+				"FW version to enable LSO\n");
+
+	if (mlx4_mr_alloc(mdev->dev, mdev->priv_pdn, 0, ~0ull,
+			 MLX4_PERM_LOCAL_WRITE |  MLX4_PERM_LOCAL_READ,
+			 0, 0, &mdev->mr)) {
+		mlx4_err(mdev, "Failed allocating memory region\n");
+		goto err_uar;
+	}
+	if (mlx4_mr_enable(mdev->dev, &mdev->mr)) {
+		mlx4_err(mdev, "Failed enabling memory region\n");
+		goto err_mr;
+	}
+
+	/* Build device profile according to supplied module parameters */
+	err = mlx4_en_get_profile(mdev);
+	if (err) {
+		mlx4_err(mdev, "Bad module parameters, aborting.\n");
+		goto err_mr;
+	}
+
+	/* Configure wich ports to start according to module parameters */
+	mdev->port_cnt = 0;
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
+		mdev->port_cnt++;
+
+	/* If we did not receive an explicit number of Rx rings, default to
+	 * the number of completion vectors populated by the mlx4_core */
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
+		mlx4_info(mdev, "Using %d tx rings for port:%d\n",
+			  mdev->profile.prof[i].tx_ring_num, i);
+		if (!mdev->profile.prof[i].rx_ring_num) {
+			mdev->profile.prof[i].rx_ring_num = 1;
+			mlx4_info(mdev, "Defaulting to %d rx rings for port:%d\n",
+				  1, i);
+		} else
+			mlx4_info(mdev, "Using %d rx rings for port:%d\n",
+				  mdev->profile.prof[i].rx_ring_num, i);
+	}
+
+	/* Create our own workqueue for reset/multicast tasks
+	 * Note: we cannot use the shared workqueue because of deadlocks caused
+	 *       by the rtnl lock */
+	mdev->workqueue = create_singlethread_workqueue("mlx4_en");
+	if (!mdev->workqueue) {
+		err = -ENOMEM;
+		goto err_close_nic;
+	}
+
+	/* At this stage all non-port specific tasks are complete:
+	 * mark the card state as up */
+	mutex_init(&mdev->state_lock);
+	mdev->device_up = true;
+
+	/* Setup ports */
+
+	/* Create a netdev for each port */
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
+		mlx4_info(mdev, "Activating port:%d\n", i);
+		if (mlx4_en_init_netdev(mdev, i, &mdev->profile.prof[i])) {
+			mdev->pndev[i] = NULL;
+			goto err_free_netdev;
+		}
+	}
+	return mdev;
+
+
+err_free_netdev:
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
+		if (mdev->pndev[i])
+			mlx4_en_destroy_netdev(mdev->pndev[i]);
+	}
+
+	mutex_lock(&mdev->state_lock);
+	mdev->device_up = false;
+	mutex_unlock(&mdev->state_lock);
+	flush_workqueue(mdev->workqueue);
+
+	/* Stop event queue before we drop down to release shared SW state */
+
+err_close_nic:
+	destroy_workqueue(mdev->workqueue);
+err_mr:
+	mlx4_mr_free(dev, &mdev->mr);
+err_uar:
+	mlx4_uar_free(dev, &mdev->priv_uar);
+err_pd:
+	mlx4_pd_free(dev, mdev->priv_pdn);
+err_free_dev:
+	kfree(mdev);
+err_free_res:
+	return NULL;
+}
+
+static struct mlx4_interface mlx4_en_interface = {
+	.add	= mlx4_en_add,
+	.remove	= mlx4_en_remove,
+	.event	= mlx4_en_event,
+};
+
+static int __init mlx4_en_init(void)
+{
+	return mlx4_register_interface(&mlx4_en_interface);
+}
+
+static void __exit mlx4_en_cleanup(void)
+{
+	mlx4_unregister_interface(&mlx4_en_interface);
+}
+
+module_init(mlx4_en_init);
+module_exit(mlx4_en_cleanup);
+
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
new file mode 100644
index 00000000000..a339afbeed3
--- /dev/null
+++ b/drivers/net/mlx4/en_netdev.c
@@ -0,0 +1,1088 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/tcp.h>
+#include <linux/if_vlan.h>
+#include <linux/delay.h>
+
+#include <linux/mlx4/driver.h>
+#include <linux/mlx4/device.h>
+#include <linux/mlx4/cmd.h>
+#include <linux/mlx4/cq.h>
+
+#include "mlx4_en.h"
+#include "en_port.h"
+
+
+static void mlx4_en_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	mlx4_dbg(HW, priv, "Registering VLAN group:%p\n", grp);
+	priv->vlgrp = grp;
+
+	mutex_lock(&mdev->state_lock);
+	if (mdev->device_up && priv->port_up) {
+		err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, grp);
+		if (err)
+			mlx4_err(mdev, "Failed configuring VLAN filter\n");
+	}
+	mutex_unlock(&mdev->state_lock);
+}
+
+static void mlx4_en_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	if (!priv->vlgrp)
+		return;
+
+	mlx4_dbg(HW, priv, "adding VLAN:%d (vlgrp entry:%p)\n",
+		 vid, vlan_group_get_device(priv->vlgrp, vid));
+
+	/* Add VID to port VLAN filter */
+	mutex_lock(&mdev->state_lock);
+	if (mdev->device_up && priv->port_up) {
+		err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, priv->vlgrp);
+		if (err)
+			mlx4_err(mdev, "Failed configuring VLAN filter\n");
+	}
+	mutex_unlock(&mdev->state_lock);
+}
+
+static void mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	if (!priv->vlgrp)
+		return;
+
+	mlx4_dbg(HW, priv, "Killing VID:%d (vlgrp:%p vlgrp "
+		 "entry:%p)\n", vid, priv->vlgrp,
+		 vlan_group_get_device(priv->vlgrp, vid));
+	vlan_group_set_device(priv->vlgrp, vid, NULL);
+
+	/* Remove VID from port VLAN filter */
+	mutex_lock(&mdev->state_lock);
+	if (mdev->device_up && priv->port_up) {
+		err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, priv->vlgrp);
+		if (err)
+			mlx4_err(mdev, "Failed configuring VLAN filter\n");
+	}
+	mutex_unlock(&mdev->state_lock);
+}
+
+static u64 mlx4_en_mac_to_u64(u8 *addr)
+{
+	u64 mac = 0;
+	int i;
+
+	for (i = 0; i < ETH_ALEN; i++) {
+		mac <<= 8;
+		mac |= addr[i];
+	}
+	return mac;
+}
+
+static int mlx4_en_set_mac(struct net_device *dev, void *addr)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct sockaddr *saddr = addr;
+
+	if (!is_valid_ether_addr(saddr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN);
+	priv->mac = mlx4_en_mac_to_u64(dev->dev_addr);
+	queue_work(mdev->workqueue, &priv->mac_task);
+	return 0;
+}
+
+static void mlx4_en_do_set_mac(struct work_struct *work)
+{
+	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
+						 mac_task);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err = 0;
+
+	mutex_lock(&mdev->state_lock);
+	if (priv->port_up) {
+		/* Remove old MAC and insert the new one */
+		mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
+		err = mlx4_register_mac(mdev->dev, priv->port,
+					priv->mac, &priv->mac_index);
+		if (err)
+			mlx4_err(mdev, "Failed changing HW MAC address\n");
+	} else
+		mlx4_dbg(HW, priv, "Port is down, exiting...\n");
+
+	mutex_unlock(&mdev->state_lock);
+}
+
+static void mlx4_en_clear_list(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct dev_mc_list *plist = priv->mc_list;
+	struct dev_mc_list *next;
+
+	while (plist) {
+		next = plist->next;
+		kfree(plist);
+		plist = next;
+	}
+	priv->mc_list = NULL;
+}
+
+static void mlx4_en_cache_mclist(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct dev_mc_list *mclist;
+	struct dev_mc_list *tmp;
+	struct dev_mc_list *plist = NULL;
+
+	for (mclist = dev->mc_list; mclist; mclist = mclist->next) {
+		tmp = kmalloc(sizeof(struct dev_mc_list), GFP_ATOMIC);
+		if (!tmp) {
+			mlx4_err(mdev, "failed to allocate multicast list\n");
+			mlx4_en_clear_list(dev);
+			return;
+		}
+		memcpy(tmp, mclist, sizeof(struct dev_mc_list));
+		tmp->next = NULL;
+		if (plist)
+			plist->next = tmp;
+		else
+			priv->mc_list = tmp;
+		plist = tmp;
+	}
+}
+
+
+static void mlx4_en_set_multicast(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+
+	if (!priv->port_up)
+		return;
+
+	queue_work(priv->mdev->workqueue, &priv->mcast_task);
+}
+
+static void mlx4_en_do_set_multicast(struct work_struct *work)
+{
+	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
+						 mcast_task);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct net_device *dev = priv->dev;
+	struct dev_mc_list *mclist;
+	u64 mcast_addr = 0;
+	int err;
+
+	mutex_lock(&mdev->state_lock);
+	if (!mdev->device_up) {
+		mlx4_dbg(HW, priv, "Card is not up, ignoring "
+				   "multicast change.\n");
+		goto out;
+	}
+	if (!priv->port_up) {
+		mlx4_dbg(HW, priv, "Port is down, ignoring "
+				   "multicast change.\n");
+		goto out;
+	}
+
+	/*
+	 * Promsicuous mode: disable all filters
+	 */
+
+	if (dev->flags & IFF_PROMISC) {
+		if (!(priv->flags & MLX4_EN_FLAG_PROMISC)) {
+			if (netif_msg_rx_status(priv))
+				mlx4_warn(mdev, "Port:%d entering promiscuous mode\n",
+					  priv->port);
+			priv->flags |= MLX4_EN_FLAG_PROMISC;
+
+			/* Enable promiscouos mode */
+			err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
+						     priv->base_qpn, 1);
+			if (err)
+				mlx4_err(mdev, "Failed enabling "
+					 "promiscous mode\n");
+
+			/* Disable port multicast filter (unconditionally) */
+			err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
+						  0, MLX4_MCAST_DISABLE);
+			if (err)
+				mlx4_err(mdev, "Failed disabling "
+					 "multicast filter\n");
+
+			/* Disable port VLAN filter */
+			err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, NULL);
+			if (err)
+				mlx4_err(mdev, "Failed disabling "
+					 "VLAN filter\n");
+		}
+		goto out;
+	}
+
+	/*
+	 * Not in promiscous mode
+	 */
+
+	if (priv->flags & MLX4_EN_FLAG_PROMISC) {
+		if (netif_msg_rx_status(priv))
+			mlx4_warn(mdev, "Port:%d leaving promiscuous mode\n",
+				  priv->port);
+		priv->flags &= ~MLX4_EN_FLAG_PROMISC;
+
+		/* Disable promiscouos mode */
+		err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
+					     priv->base_qpn, 0);
+		if (err)
+			mlx4_err(mdev, "Failed disabling promiscous mode\n");
+
+		/* Enable port VLAN filter */
+		err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, priv->vlgrp);
+		if (err)
+			mlx4_err(mdev, "Failed enabling VLAN filter\n");
+	}
+
+	/* Enable/disable the multicast filter according to IFF_ALLMULTI */
+	if (dev->flags & IFF_ALLMULTI) {
+		err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
+					  0, MLX4_MCAST_DISABLE);
+		if (err)
+			mlx4_err(mdev, "Failed disabling multicast filter\n");
+	} else {
+		err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
+					  0, MLX4_MCAST_DISABLE);
+		if (err)
+			mlx4_err(mdev, "Failed disabling multicast filter\n");
+
+		/* Flush mcast filter and init it with broadcast address */
+		mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST,
+				    1, MLX4_MCAST_CONFIG);
+
+		/* Update multicast list - we cache all addresses so they won't
+		 * change while HW is updated holding the command semaphor */
+		netif_tx_lock_bh(dev);
+		mlx4_en_cache_mclist(dev);
+		netif_tx_unlock_bh(dev);
+		for (mclist = priv->mc_list; mclist; mclist = mclist->next) {
+			mcast_addr = mlx4_en_mac_to_u64(mclist->dmi_addr);
+			mlx4_SET_MCAST_FLTR(mdev->dev, priv->port,
+					    mcast_addr, 0, MLX4_MCAST_CONFIG);
+		}
+		err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
+					  0, MLX4_MCAST_ENABLE);
+		if (err)
+			mlx4_err(mdev, "Failed enabling multicast filter\n");
+
+		mlx4_en_clear_list(dev);
+	}
+out:
+	mutex_unlock(&mdev->state_lock);
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void mlx4_en_netpoll(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_cq *cq;
+	unsigned long flags;
+	int i;
+
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		cq = &priv->rx_cq[i];
+		spin_lock_irqsave(&cq->lock, flags);
+		napi_synchronize(&cq->napi);
+		mlx4_en_process_rx_cq(dev, cq, 0);
+		spin_unlock_irqrestore(&cq->lock, flags);
+	}
+}
+#endif
+
+static void mlx4_en_tx_timeout(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	if (netif_msg_timer(priv))
+		mlx4_warn(mdev, "Tx timeout called on port:%d\n", priv->port);
+
+	if (netif_carrier_ok(dev)) {
+		priv->port_stats.tx_timeout++;
+		mlx4_dbg(DRV, priv, "Scheduling watchdog\n");
+		queue_work(mdev->workqueue, &priv->watchdog_task);
+	}
+}
+
+
+static struct net_device_stats *mlx4_en_get_stats(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+
+	spin_lock_bh(&priv->stats_lock);
+	memcpy(&priv->ret_stats, &priv->stats, sizeof(priv->stats));
+	spin_unlock_bh(&priv->stats_lock);
+
+	return &priv->ret_stats;
+}
+
+static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_cq *cq;
+	int i;
+
+	/* If we haven't received a specific coalescing setting
+	 * (module param), we set the moderation paramters as follows:
+	 * - moder_cnt is set to the number of mtu sized packets to
+	 *   satisfy our coelsing target.
+	 * - moder_time is set to a fixed value.
+	 */
+	priv->rx_frames = (mdev->profile.rx_moder_cnt ==
+			   MLX4_EN_AUTO_CONF) ?
+				MLX4_EN_RX_COAL_TARGET /
+				priv->dev->mtu + 1 :
+				mdev->profile.rx_moder_cnt;
+	priv->rx_usecs = (mdev->profile.rx_moder_time ==
+			  MLX4_EN_AUTO_CONF) ?
+				MLX4_EN_RX_COAL_TIME :
+				mdev->profile.rx_moder_time;
+	mlx4_dbg(INTR, priv, "Default coalesing params for mtu:%d - "
+			     "rx_frames:%d rx_usecs:%d\n",
+		 priv->dev->mtu, priv->rx_frames, priv->rx_usecs);
+
+	/* Setup cq moderation params */
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		cq = &priv->rx_cq[i];
+		cq->moder_cnt = priv->rx_frames;
+		cq->moder_time = priv->rx_usecs;
+	}
+
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		cq = &priv->tx_cq[i];
+		cq->moder_cnt = MLX4_EN_TX_COAL_PKTS;
+		cq->moder_time = MLX4_EN_TX_COAL_TIME;
+	}
+
+	/* Reset auto-moderation params */
+	priv->pkt_rate_low = MLX4_EN_RX_RATE_LOW;
+	priv->rx_usecs_low = MLX4_EN_RX_COAL_TIME_LOW;
+	priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH;
+	priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH;
+	priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL;
+	priv->adaptive_rx_coal = mdev->profile.auto_moder;
+	priv->last_moder_time = MLX4_EN_AUTO_CONF;
+	priv->last_moder_jiffies = 0;
+	priv->last_moder_packets = 0;
+	priv->last_moder_tx_packets = 0;
+	priv->last_moder_bytes = 0;
+}
+
+static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
+{
+	unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_cq *cq;
+	unsigned long packets;
+	unsigned long rate;
+	unsigned long avg_pkt_size;
+	unsigned long rx_packets;
+	unsigned long rx_bytes;
+	unsigned long tx_packets;
+	unsigned long tx_pkt_diff;
+	unsigned long rx_pkt_diff;
+	int moder_time;
+	int i, err;
+
+	if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ)
+		return;
+
+	spin_lock_bh(&priv->stats_lock);
+	rx_packets = priv->stats.rx_packets;
+	rx_bytes = priv->stats.rx_bytes;
+	tx_packets = priv->stats.tx_packets;
+	spin_unlock_bh(&priv->stats_lock);
+
+	if (!priv->last_moder_jiffies || !period)
+		goto out;
+
+	tx_pkt_diff = ((unsigned long) (tx_packets -
+					priv->last_moder_tx_packets));
+	rx_pkt_diff = ((unsigned long) (rx_packets -
+					priv->last_moder_packets));
+	packets = max(tx_pkt_diff, rx_pkt_diff);
+	rate = packets * HZ / period;
+	avg_pkt_size = packets ? ((unsigned long) (rx_bytes -
+				 priv->last_moder_bytes)) / packets : 0;
+
+	/* Apply auto-moderation only when packet rate exceeds a rate that
+	 * it matters */
+	if (rate > MLX4_EN_RX_RATE_THRESH) {
+		/* If tx and rx packet rates are not balanced, assume that
+		 * traffic is mainly BW bound and apply maximum moderation.
+		 * Otherwise, moderate according to packet rate */
+		if (2 * tx_pkt_diff > 3 * rx_pkt_diff ||
+		    2 * rx_pkt_diff > 3 * tx_pkt_diff) {
+			moder_time = priv->rx_usecs_high;
+		} else {
+			if (rate < priv->pkt_rate_low)
+				moder_time = priv->rx_usecs_low;
+			else if (rate > priv->pkt_rate_high)
+				moder_time = priv->rx_usecs_high;
+			else
+				moder_time = (rate - priv->pkt_rate_low) *
+					(priv->rx_usecs_high - priv->rx_usecs_low) /
+					(priv->pkt_rate_high - priv->pkt_rate_low) +
+					priv->rx_usecs_low;
+		}
+	} else {
+		/* When packet rate is low, use default moderation rather than
+		 * 0 to prevent interrupt storms if traffic suddenly increases */
+		moder_time = priv->rx_usecs;
+	}
+
+	mlx4_dbg(INTR, priv, "tx rate:%lu rx_rate:%lu\n",
+		 tx_pkt_diff * HZ / period, rx_pkt_diff * HZ / period);
+
+	mlx4_dbg(INTR, priv, "Rx moder_time changed from:%d to %d period:%lu "
+		 "[jiff] packets:%lu avg_pkt_size:%lu rate:%lu [p/s])\n",
+		 priv->last_moder_time, moder_time, period, packets,
+		 avg_pkt_size, rate);
+
+	if (moder_time != priv->last_moder_time) {
+		priv->last_moder_time = moder_time;
+		for (i = 0; i < priv->rx_ring_num; i++) {
+			cq = &priv->rx_cq[i];
+			cq->moder_time = moder_time;
+			err = mlx4_en_set_cq_moder(priv, cq);
+			if (err) {
+				mlx4_err(mdev, "Failed modifying moderation for cq:%d "
+					 "on port:%d\n", i, priv->port);
+				break;
+			}
+		}
+	}
+
+out:
+	priv->last_moder_packets = rx_packets;
+	priv->last_moder_tx_packets = tx_packets;
+	priv->last_moder_bytes = rx_bytes;
+	priv->last_moder_jiffies = jiffies;
+}
+
+static void mlx4_en_do_get_stats(struct work_struct *work)
+{
+	struct delayed_work *delay = container_of(work, struct delayed_work, work);
+	struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv,
+						 stats_task);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	err = mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 0);
+	if (err)
+		mlx4_dbg(HW, priv, "Could not update stats for "
+				   "port:%d\n", priv->port);
+
+	mutex_lock(&mdev->state_lock);
+	if (mdev->device_up) {
+		if (priv->port_up)
+			mlx4_en_auto_moderation(priv);
+
+		queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
+	}
+	mutex_unlock(&mdev->state_lock);
+}
+
+static void mlx4_en_linkstate(struct work_struct *work)
+{
+	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
+						 linkstate_task);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int linkstate = priv->link_state;
+
+	mutex_lock(&mdev->state_lock);
+	/* If observable port state changed set carrier state and
+	 * report to system log */
+	if (priv->last_link_state != linkstate) {
+		if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) {
+			if (netif_msg_link(priv))
+				mlx4_info(mdev, "Port %d - link down\n", priv->port);
+			netif_carrier_off(priv->dev);
+		} else {
+			if (netif_msg_link(priv))
+				mlx4_info(mdev, "Port %d - link up\n", priv->port);
+			netif_carrier_on(priv->dev);
+		}
+	}
+	priv->last_link_state = linkstate;
+	mutex_unlock(&mdev->state_lock);
+}
+
+
+static int mlx4_en_start_port(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_cq *cq;
+	struct mlx4_en_tx_ring *tx_ring;
+	struct mlx4_en_rx_ring *rx_ring;
+	int rx_index = 0;
+	int tx_index = 0;
+	u16 stride;
+	int err = 0;
+	int i;
+	int j;
+
+	if (priv->port_up) {
+		mlx4_dbg(DRV, priv, "start port called while port already up\n");
+		return 0;
+	}
+
+	/* Calculate Rx buf size */
+	dev->mtu = min(dev->mtu, priv->max_mtu);
+	mlx4_en_calc_rx_buf(dev);
+	mlx4_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_skb_size);
+	stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) +
+				    DS_SIZE * priv->num_frags);
+	/* Configure rx cq's and rings */
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		cq = &priv->rx_cq[i];
+		rx_ring = &priv->rx_ring[i];
+
+		err = mlx4_en_activate_cq(priv, cq);
+		if (err) {
+			mlx4_err(mdev, "Failed activating Rx CQ\n");
+			goto rx_err;
+		}
+		for (j = 0; j < cq->size; j++)
+			cq->buf[j].owner_sr_opcode = MLX4_CQE_OWNER_MASK;
+		err = mlx4_en_set_cq_moder(priv, cq);
+		if (err) {
+			mlx4_err(mdev, "Failed setting cq moderation parameters");
+			mlx4_en_deactivate_cq(priv, cq);
+			goto cq_err;
+		}
+		mlx4_en_arm_cq(priv, cq);
+
+		++rx_index;
+	}
+
+	err = mlx4_en_activate_rx_rings(priv);
+	if (err) {
+		mlx4_err(mdev, "Failed to activate RX rings\n");
+		goto cq_err;
+	}
+
+	err = mlx4_en_config_rss_steer(priv);
+	if (err) {
+		mlx4_err(mdev, "Failed configuring rss steering\n");
+		goto rx_err;
+	}
+
+	/* Configure tx cq's and rings */
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		/* Configure cq */
+		cq = &priv->tx_cq[i];
+		err = mlx4_en_activate_cq(priv, cq);
+		if (err) {
+			mlx4_err(mdev, "Failed allocating Tx CQ\n");
+			goto tx_err;
+		}
+		err = mlx4_en_set_cq_moder(priv, cq);
+		if (err) {
+			mlx4_err(mdev, "Failed setting cq moderation parameters");
+			mlx4_en_deactivate_cq(priv, cq);
+			goto tx_err;
+		}
+		mlx4_dbg(DRV, priv, "Resetting index of collapsed CQ:%d to -1\n", i);
+		cq->buf->wqe_index = cpu_to_be16(0xffff);
+
+		/* Configure ring */
+		tx_ring = &priv->tx_ring[i];
+		err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn,
+					       priv->rx_ring[0].srq.srqn);
+		if (err) {
+			mlx4_err(mdev, "Failed allocating Tx ring\n");
+			mlx4_en_deactivate_cq(priv, cq);
+			goto tx_err;
+		}
+		/* Set initial ownership of all Tx TXBBs to SW (1) */
+		for (j = 0; j < tx_ring->buf_size; j += STAMP_STRIDE)
+			*((u32 *) (tx_ring->buf + j)) = 0xffffffff;
+		++tx_index;
+	}
+
+	/* Configure port */
+	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
+				    priv->rx_skb_size + ETH_FCS_LEN,
+				    mdev->profile.tx_pause,
+				    mdev->profile.tx_ppp,
+				    mdev->profile.rx_pause,
+				    mdev->profile.rx_ppp);
+	if (err) {
+		mlx4_err(mdev, "Failed setting port general configurations"
+			       " for port %d, with error %d\n", priv->port, err);
+		goto tx_err;
+	}
+	/* Set default qp number */
+	err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0);
+	if (err) {
+		mlx4_err(mdev, "Failed setting default qp numbers\n");
+		goto tx_err;
+	}
+	/* Set port mac number */
+	mlx4_dbg(DRV, priv, "Setting mac for port %d\n", priv->port);
+	err = mlx4_register_mac(mdev->dev, priv->port,
+				priv->mac, &priv->mac_index);
+	if (err) {
+		mlx4_err(mdev, "Failed setting port mac\n");
+		goto tx_err;
+	}
+
+	/* Init port */
+	mlx4_dbg(HW, priv, "Initializing port\n");
+	err = mlx4_INIT_PORT(mdev->dev, priv->port);
+	if (err) {
+		mlx4_err(mdev, "Failed Initializing port\n");
+		goto mac_err;
+	}
+
+	/* Schedule multicast task to populate multicast list */
+	queue_work(mdev->workqueue, &priv->mcast_task);
+
+	priv->port_up = true;
+	netif_start_queue(dev);
+	return 0;
+
+mac_err:
+	mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
+tx_err:
+	while (tx_index--) {
+		mlx4_en_deactivate_tx_ring(priv, &priv->tx_ring[tx_index]);
+		mlx4_en_deactivate_cq(priv, &priv->tx_cq[tx_index]);
+	}
+
+	mlx4_en_release_rss_steer(priv);
+rx_err:
+	for (i = 0; i < priv->rx_ring_num; i++)
+		mlx4_en_deactivate_rx_ring(priv, &priv->rx_ring[rx_index]);
+cq_err:
+	while (rx_index--)
+		mlx4_en_deactivate_cq(priv, &priv->rx_cq[rx_index]);
+
+	return err; /* need to close devices */
+}
+
+
+static void mlx4_en_stop_port(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int i;
+
+	if (!priv->port_up) {
+		mlx4_dbg(DRV, priv, "stop port (%d) called while port already down\n",
+			 priv->port);
+		return;
+	}
+	netif_stop_queue(dev);
+
+	/* Synchronize with tx routine */
+	netif_tx_lock_bh(dev);
+	priv->port_up = false;
+	netif_tx_unlock_bh(dev);
+
+	/* close port*/
+	mlx4_CLOSE_PORT(mdev->dev, priv->port);
+
+	/* Unregister Mac address for the port */
+	mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
+
+	/* Free TX Rings */
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		mlx4_en_deactivate_tx_ring(priv, &priv->tx_ring[i]);
+		mlx4_en_deactivate_cq(priv, &priv->tx_cq[i]);
+	}
+	msleep(10);
+
+	for (i = 0; i < priv->tx_ring_num; i++)
+		mlx4_en_free_tx_buf(dev, &priv->tx_ring[i]);
+
+	/* Free RSS qps */
+	mlx4_en_release_rss_steer(priv);
+
+	/* Free RX Rings */
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		mlx4_en_deactivate_rx_ring(priv, &priv->rx_ring[i]);
+		while (test_bit(NAPI_STATE_SCHED, &priv->rx_cq[i].napi.state))
+			msleep(1);
+		mlx4_en_deactivate_cq(priv, &priv->rx_cq[i]);
+	}
+}
+
+static void mlx4_en_restart(struct work_struct *work)
+{
+	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
+						 watchdog_task);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct net_device *dev = priv->dev;
+
+	mlx4_dbg(DRV, priv, "Watchdog task called for port %d\n", priv->port);
+	mlx4_en_stop_port(dev);
+	if (mlx4_en_start_port(dev))
+	    mlx4_err(mdev, "Failed restarting port %d\n", priv->port);
+}
+
+
+static int mlx4_en_open(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int i;
+	int err = 0;
+
+	mutex_lock(&mdev->state_lock);
+
+	if (!mdev->device_up) {
+		mlx4_err(mdev, "Cannot open - device down/disabled\n");
+		err = -EBUSY;
+		goto out;
+	}
+
+	/* Reset HW statistics and performance counters */
+	if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1))
+		mlx4_dbg(HW, priv, "Failed dumping statistics\n");
+
+	memset(&priv->stats, 0, sizeof(priv->stats));
+	memset(&priv->pstats, 0, sizeof(priv->pstats));
+
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		priv->tx_ring[i].bytes = 0;
+		priv->tx_ring[i].packets = 0;
+	}
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		priv->rx_ring[i].bytes = 0;
+		priv->rx_ring[i].packets = 0;
+	}
+
+	mlx4_en_set_default_moderation(priv);
+	err = mlx4_en_start_port(dev);
+	if (err)
+		mlx4_err(mdev, "Failed starting port:%d\n", priv->port);
+
+out:
+	mutex_unlock(&mdev->state_lock);
+	return err;
+}
+
+
+static int mlx4_en_close(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	if (netif_msg_ifdown(priv))
+		mlx4_info(mdev, "Close called for port:%d\n", priv->port);
+
+	mutex_lock(&mdev->state_lock);
+
+	mlx4_en_stop_port(dev);
+	netif_carrier_off(dev);
+
+	mutex_unlock(&mdev->state_lock);
+	return 0;
+}
+
+static void mlx4_en_free_resources(struct mlx4_en_priv *priv)
+{
+	int i;
+
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		if (priv->tx_ring[i].tx_info)
+			mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
+		if (priv->tx_cq[i].buf)
+			mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
+	}
+
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		if (priv->rx_ring[i].rx_info)
+			mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i]);
+		if (priv->rx_cq[i].buf)
+			mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
+	}
+}
+
+static int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_port_profile *prof = priv->prof;
+	int i;
+
+	/* Create tx Rings */
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		if (mlx4_en_create_cq(priv, &priv->tx_cq[i],
+				      prof->tx_ring_size, i, TX))
+			goto err;
+
+		if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i],
+					   prof->tx_ring_size, TXBB_SIZE))
+			goto err;
+	}
+
+	/* Create rx Rings */
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		if (mlx4_en_create_cq(priv, &priv->rx_cq[i],
+				      prof->rx_ring_size, i, RX))
+			goto err;
+
+		if (mlx4_en_create_rx_ring(priv, &priv->rx_ring[i],
+					   prof->rx_ring_size, priv->stride))
+			goto err;
+	}
+
+	return 0;
+
+err:
+	mlx4_err(mdev, "Failed to allocate NIC resources\n");
+	return -ENOMEM;
+}
+
+
+void mlx4_en_destroy_netdev(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	mlx4_dbg(DRV, priv, "Destroying netdev on port:%d\n", priv->port);
+
+	/* Unregister device - this will close the port if it was up */
+	if (priv->registered)
+		unregister_netdev(dev);
+
+	if (priv->allocated)
+		mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);
+
+	cancel_delayed_work(&priv->stats_task);
+	cancel_delayed_work(&priv->refill_task);
+	/* flush any pending task for this netdev */
+	flush_workqueue(mdev->workqueue);
+
+	/* Detach the netdev so tasks would not attempt to access it */
+	mutex_lock(&mdev->state_lock);
+	mdev->pndev[priv->port] = NULL;
+	mutex_unlock(&mdev->state_lock);
+
+	mlx4_en_free_resources(priv);
+	free_netdev(dev);
+}
+
+static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err = 0;
+
+	mlx4_dbg(DRV, priv, "Change MTU called - current:%d new:%d\n",
+		 dev->mtu, new_mtu);
+
+	if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) {
+		mlx4_err(mdev, "Bad MTU size:%d.\n", new_mtu);
+		return -EPERM;
+	}
+	dev->mtu = new_mtu;
+
+	if (netif_running(dev)) {
+		mutex_lock(&mdev->state_lock);
+		if (!mdev->device_up) {
+			/* NIC is probably restarting - let watchdog task reset
+			 * the port */
+			mlx4_dbg(DRV, priv, "Change MTU called with card down!?\n");
+		} else {
+			mlx4_en_stop_port(dev);
+			mlx4_en_set_default_moderation(priv);
+			err = mlx4_en_start_port(dev);
+			if (err) {
+				mlx4_err(mdev, "Failed restarting port:%d\n",
+					 priv->port);
+				queue_work(mdev->workqueue, &priv->watchdog_task);
+			}
+		}
+		mutex_unlock(&mdev->state_lock);
+	}
+	return 0;
+}
+
+int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
+			struct mlx4_en_port_profile *prof)
+{
+	struct net_device *dev;
+	struct mlx4_en_priv *priv;
+	int i;
+	int err;
+
+	dev = alloc_etherdev(sizeof(struct mlx4_en_priv));
+	if (dev == NULL) {
+		mlx4_err(mdev, "Net device allocation failed\n");
+		return -ENOMEM;
+	}
+
+	SET_NETDEV_DEV(dev, &mdev->dev->pdev->dev);
+
+	/*
+	 * Initialize driver private data
+	 */
+
+	priv = netdev_priv(dev);
+	memset(priv, 0, sizeof(struct mlx4_en_priv));
+	priv->dev = dev;
+	priv->mdev = mdev;
+	priv->prof = prof;
+	priv->port = port;
+	priv->port_up = false;
+	priv->rx_csum = 1;
+	priv->flags = prof->flags;
+	priv->tx_ring_num = prof->tx_ring_num;
+	priv->rx_ring_num = prof->rx_ring_num;
+	priv->mc_list = NULL;
+	priv->mac_index = -1;
+	priv->msg_enable = MLX4_EN_MSG_LEVEL;
+	spin_lock_init(&priv->stats_lock);
+	INIT_WORK(&priv->mcast_task, mlx4_en_do_set_multicast);
+	INIT_WORK(&priv->mac_task, mlx4_en_do_set_mac);
+	INIT_DELAYED_WORK(&priv->refill_task, mlx4_en_rx_refill);
+	INIT_WORK(&priv->watchdog_task, mlx4_en_restart);
+	INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
+	INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
+
+	/* Query for default mac and max mtu */
+	priv->max_mtu = mdev->dev->caps.eth_mtu_cap[priv->port];
+	priv->mac = mdev->dev->caps.def_mac[priv->port];
+	if (ILLEGAL_MAC(priv->mac)) {
+		mlx4_err(mdev, "Port: %d, invalid mac burned: 0x%llx, quiting\n",
+			 priv->port, priv->mac);
+		err = -EINVAL;
+		goto out;
+	}
+
+	priv->stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) +
+					  DS_SIZE * MLX4_EN_MAX_RX_FRAGS);
+	err = mlx4_en_alloc_resources(priv);
+	if (err)
+		goto out;
+
+	/* Populate Rx default RSS mappings */
+	mlx4_en_set_default_rss_map(priv, &priv->rss_map, priv->rx_ring_num *
+						RSS_FACTOR, priv->rx_ring_num);
+	/* Allocate page for receive rings */
+	err = mlx4_alloc_hwq_res(mdev->dev, &priv->res,
+				MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE);
+	if (err) {
+		mlx4_err(mdev, "Failed to allocate page for rx qps\n");
+		goto out;
+	}
+	priv->allocated = 1;
+
+	/* Populate Tx priority mappings */
+	mlx4_en_set_prio_map(priv, priv->tx_prio_map, prof->tx_ring_num);
+
+	/*
+	 * Initialize netdev entry points
+	 */
+
+	dev->open = &mlx4_en_open;
+	dev->stop = &mlx4_en_close;
+	dev->hard_start_xmit = &mlx4_en_xmit;
+	dev->get_stats = &mlx4_en_get_stats;
+	dev->set_multicast_list = &mlx4_en_set_multicast;
+	dev->set_mac_address = &mlx4_en_set_mac;
+	dev->change_mtu = &mlx4_en_change_mtu;
+	dev->tx_timeout = &mlx4_en_tx_timeout;
+	dev->watchdog_timeo = MLX4_EN_WATCHDOG_TIMEOUT;
+	dev->vlan_rx_register = mlx4_en_vlan_rx_register;
+	dev->vlan_rx_add_vid = mlx4_en_vlan_rx_add_vid;
+	dev->vlan_rx_kill_vid = mlx4_en_vlan_rx_kill_vid;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	dev->poll_controller = mlx4_en_netpoll;
+#endif
+	SET_ETHTOOL_OPS(dev, &mlx4_en_ethtool_ops);
+
+	/* Set defualt MAC */
+	dev->addr_len = ETH_ALEN;
+	for (i = 0; i < ETH_ALEN; i++)
+		dev->dev_addr[ETH_ALEN - 1 - i] =
+		(u8) (priv->mac >> (8 * i));
+
+	/*
+	 * Set driver features
+	 */
+	dev->features |= NETIF_F_SG;
+	dev->features |= NETIF_F_HW_CSUM;
+	dev->features |= NETIF_F_HIGHDMA;
+	dev->features |= NETIF_F_HW_VLAN_TX |
+			 NETIF_F_HW_VLAN_RX |
+			 NETIF_F_HW_VLAN_FILTER;
+	if (mdev->profile.num_lro)
+		dev->features |= NETIF_F_LRO;
+	if (mdev->LSO_support) {
+		dev->features |= NETIF_F_TSO;
+		dev->features |= NETIF_F_TSO6;
+	}
+
+	mdev->pndev[port] = dev;
+
+	netif_carrier_off(dev);
+	err = register_netdev(dev);
+	if (err) {
+		mlx4_err(mdev, "Netdev registration failed\n");
+		goto out;
+	}
+	priv->registered = 1;
+	queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
+	return 0;
+
+out:
+	mlx4_en_destroy_netdev(dev);
+	return err;
+}
+
diff --git a/drivers/net/mlx4/en_params.c b/drivers/net/mlx4/en_params.c
new file mode 100644
index 00000000000..c2e69b1bcd0
--- /dev/null
+++ b/drivers/net/mlx4/en_params.c
@@ -0,0 +1,480 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/ethtool.h>
+#include <linux/netdevice.h>
+
+#include "mlx4_en.h"
+#include "en_port.h"
+
+#define MLX4_EN_PARM_INT(X, def_val, desc) \
+	static unsigned int X = def_val;\
+	module_param(X , uint, 0444); \
+	MODULE_PARM_DESC(X, desc);
+
+
+/*
+ * Device scope module parameters
+ */
+
+
+/* Use a XOR rathern than Toeplitz hash function for RSS */
+MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS");
+
+/* RSS hash type mask - default to <saddr, daddr, sport, dport> */
+MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask");
+
+/* Number of LRO sessions per Rx ring (rounded up to a power of two) */
+MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS,
+		 "Number of LRO sessions per ring or disabled (0)");
+
+/* Priority pausing */
+MLX4_EN_PARM_INT(pptx, MLX4_EN_DEF_TX_PAUSE,
+		 "Pause policy on TX: 0 never generate pause frames "
+		 "1 generate pause frames according to RX buffer threshold");
+MLX4_EN_PARM_INT(pprx, MLX4_EN_DEF_RX_PAUSE,
+		 "Pause policy on RX: 0 ignore received pause frames "
+		 "1 respect received pause frames");
+MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."
+			   " Per priority bit mask");
+MLX4_EN_PARM_INT(pfcrx, 0, "Priority based Flow Control policy on RX[7:0]."
+			   " Per priority bit mask");
+
+/* Interrupt moderation tunning */
+MLX4_EN_PARM_INT(rx_moder_cnt, MLX4_EN_AUTO_CONF,
+	       "Max coalesced descriptors for Rx interrupt moderation");
+MLX4_EN_PARM_INT(rx_moder_time, MLX4_EN_AUTO_CONF,
+	       "Timeout following last packet for Rx interrupt moderation");
+MLX4_EN_PARM_INT(auto_moder, 1, "Enable dynamic interrupt moderation");
+
+MLX4_EN_PARM_INT(rx_ring_num1, 0, "Number or Rx rings for port 1 (0 = #cores)");
+MLX4_EN_PARM_INT(rx_ring_num2, 0, "Number or Rx rings for port 2 (0 = #cores)");
+
+MLX4_EN_PARM_INT(tx_ring_size1, MLX4_EN_AUTO_CONF, "Tx ring size for port 1");
+MLX4_EN_PARM_INT(tx_ring_size2, MLX4_EN_AUTO_CONF, "Tx ring size for port 2");
+MLX4_EN_PARM_INT(rx_ring_size1, MLX4_EN_AUTO_CONF, "Rx ring size for port 1");
+MLX4_EN_PARM_INT(rx_ring_size2, MLX4_EN_AUTO_CONF, "Rx ring size for port 2");
+
+
+int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
+{
+	struct mlx4_en_profile *params = &mdev->profile;
+
+	params->rx_moder_cnt = min_t(int, rx_moder_cnt, MLX4_EN_AUTO_CONF);
+	params->rx_moder_time = min_t(int, rx_moder_time, MLX4_EN_AUTO_CONF);
+	params->auto_moder = auto_moder;
+	params->rss_xor = (rss_xor != 0);
+	params->rss_mask = rss_mask & 0x1f;
+	params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS);
+	params->rx_pause = pprx;
+	params->rx_ppp = pfcrx;
+	params->tx_pause = pptx;
+	params->tx_ppp = pfctx;
+	if (params->rx_ppp || params->tx_ppp) {
+		params->prof[1].tx_ring_num = MLX4_EN_TX_RING_NUM;
+		params->prof[2].tx_ring_num = MLX4_EN_TX_RING_NUM;
+	} else {
+		params->prof[1].tx_ring_num = 1;
+		params->prof[2].tx_ring_num = 1;
+	}
+	params->prof[1].rx_ring_num = min_t(int, rx_ring_num1, MAX_RX_RINGS);
+	params->prof[2].rx_ring_num = min_t(int, rx_ring_num2, MAX_RX_RINGS);
+
+	if (tx_ring_size1 == MLX4_EN_AUTO_CONF)
+		tx_ring_size1 = MLX4_EN_DEF_TX_RING_SIZE;
+	params->prof[1].tx_ring_size =
+		(tx_ring_size1 < MLX4_EN_MIN_TX_SIZE) ?
+		 MLX4_EN_MIN_TX_SIZE : roundup_pow_of_two(tx_ring_size1);
+
+	if (tx_ring_size2 == MLX4_EN_AUTO_CONF)
+		tx_ring_size2 = MLX4_EN_DEF_TX_RING_SIZE;
+	params->prof[2].tx_ring_size =
+		(tx_ring_size2 < MLX4_EN_MIN_TX_SIZE) ?
+		 MLX4_EN_MIN_TX_SIZE : roundup_pow_of_two(tx_ring_size2);
+
+	if (rx_ring_size1 == MLX4_EN_AUTO_CONF)
+		rx_ring_size1 = MLX4_EN_DEF_RX_RING_SIZE;
+	params->prof[1].rx_ring_size =
+		(rx_ring_size1 < MLX4_EN_MIN_RX_SIZE) ?
+		 MLX4_EN_MIN_RX_SIZE : roundup_pow_of_two(rx_ring_size1);
+
+	if (rx_ring_size2 == MLX4_EN_AUTO_CONF)
+		rx_ring_size2 = MLX4_EN_DEF_RX_RING_SIZE;
+	params->prof[2].rx_ring_size =
+		(rx_ring_size2 < MLX4_EN_MIN_RX_SIZE) ?
+		 MLX4_EN_MIN_RX_SIZE : roundup_pow_of_two(rx_ring_size2);
+	return 0;
+}
+
+
+/*
+ * Ethtool support
+ */
+
+static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv)
+{
+	int i;
+
+	priv->port_stats.lro_aggregated = 0;
+	priv->port_stats.lro_flushed = 0;
+	priv->port_stats.lro_no_desc = 0;
+
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated;
+		priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed;
+		priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc;
+	}
+}
+
+static void
+mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
+	strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
+	sprintf(drvinfo->fw_version, "%d.%d.%d",
+		(u16) (mdev->dev->caps.fw_ver >> 32),
+		(u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
+		(u16) (mdev->dev->caps.fw_ver & 0xffff));
+	strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
+	drvinfo->n_stats = 0;
+	drvinfo->regdump_len = 0;
+	drvinfo->eedump_len = 0;
+}
+
+static u32 mlx4_en_get_tso(struct net_device *dev)
+{
+	return (dev->features & NETIF_F_TSO) != 0;
+}
+
+static int mlx4_en_set_tso(struct net_device *dev, u32 data)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+
+	if (data) {
+		if (!priv->mdev->LSO_support)
+			return -EPERM;
+		dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
+	} else
+		dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+	return 0;
+}
+
+static u32 mlx4_en_get_rx_csum(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	return priv->rx_csum;
+}
+
+static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	priv->rx_csum = (data != 0);
+	return 0;
+}
+
+static const char main_strings[][ETH_GSTRING_LEN] = {
+	"rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
+	"tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
+	"rx_length_errors", "rx_over_errors", "rx_crc_errors",
+	"rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
+	"tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
+	"tx_heartbeat_errors", "tx_window_errors",
+
+	/* port statistics */
+	"lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets",
+	"queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
+	"rx_csum_good", "rx_csum_none", "tx_chksum_offload",
+
+	/* packet statistics */
+	"broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
+	"rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
+	"tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
+	"tx_prio_6", "tx_prio_7",
+};
+#define NUM_MAIN_STATS	21
+#define NUM_ALL_STATS	(NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
+
+static u32 mlx4_en_get_msglevel(struct net_device *dev)
+{
+	return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
+}
+
+static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
+{
+	((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
+}
+
+static void mlx4_en_get_wol(struct net_device *netdev,
+			    struct ethtool_wolinfo *wol)
+{
+	wol->supported = 0;
+	wol->wolopts = 0;
+
+	return;
+}
+
+static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+
+	if (sset != ETH_SS_STATS)
+		return -EOPNOTSUPP;
+
+	return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
+}
+
+static void mlx4_en_get_ethtool_stats(struct net_device *dev,
+		struct ethtool_stats *stats, uint64_t *data)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int index = 0;
+	int i;
+
+	spin_lock_bh(&priv->stats_lock);
+
+	mlx4_en_update_lro_stats(priv);
+
+	for (i = 0; i < NUM_MAIN_STATS; i++)
+		data[index++] = ((unsigned long *) &priv->stats)[i];
+	for (i = 0; i < NUM_PORT_STATS; i++)
+		data[index++] = ((unsigned long *) &priv->port_stats)[i];
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		data[index++] = priv->tx_ring[i].packets;
+		data[index++] = priv->tx_ring[i].bytes;
+	}
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		data[index++] = priv->rx_ring[i].packets;
+		data[index++] = priv->rx_ring[i].bytes;
+	}
+	for (i = 0; i < NUM_PKT_STATS; i++)
+		data[index++] = ((unsigned long *) &priv->pkstats)[i];
+	spin_unlock_bh(&priv->stats_lock);
+
+}
+
+static void mlx4_en_get_strings(struct net_device *dev,
+				uint32_t stringset, uint8_t *data)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int index = 0;
+	int i;
+
+	if (stringset != ETH_SS_STATS)
+		return;
+
+	/* Add main counters */
+	for (i = 0; i < NUM_MAIN_STATS; i++)
+		strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
+	for (i = 0; i < NUM_PORT_STATS; i++)
+		strcpy(data + (index++) * ETH_GSTRING_LEN,
+			main_strings[i + NUM_MAIN_STATS]);
+	for (i = 0; i < priv->tx_ring_num; i++) {
+		sprintf(data + (index++) * ETH_GSTRING_LEN,
+			"tx%d_packets", i);
+		sprintf(data + (index++) * ETH_GSTRING_LEN,
+			"tx%d_bytes", i);
+	}
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		sprintf(data + (index++) * ETH_GSTRING_LEN,
+			"rx%d_packets", i);
+		sprintf(data + (index++) * ETH_GSTRING_LEN,
+			"rx%d_bytes", i);
+	}
+	for (i = 0; i < NUM_PKT_STATS; i++)
+		strcpy(data + (index++) * ETH_GSTRING_LEN,
+			main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
+}
+
+static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	cmd->autoneg = AUTONEG_DISABLE;
+	cmd->supported = SUPPORTED_10000baseT_Full;
+	cmd->advertising = SUPPORTED_10000baseT_Full;
+	if (netif_carrier_ok(dev)) {
+		cmd->speed = SPEED_10000;
+		cmd->duplex = DUPLEX_FULL;
+	} else {
+		cmd->speed = -1;
+		cmd->duplex = -1;
+	}
+	return 0;
+}
+
+static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	if ((cmd->autoneg == AUTONEG_ENABLE) ||
+	    (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL))
+		return -EINVAL;
+
+	/* Nothing to change */
+	return 0;
+}
+
+static int mlx4_en_get_coalesce(struct net_device *dev,
+			      struct ethtool_coalesce *coal)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+
+	coal->tx_coalesce_usecs = 0;
+	coal->tx_max_coalesced_frames = 0;
+	coal->rx_coalesce_usecs = priv->rx_usecs;
+	coal->rx_max_coalesced_frames = priv->rx_frames;
+
+	coal->pkt_rate_low = priv->pkt_rate_low;
+	coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
+	coal->pkt_rate_high = priv->pkt_rate_high;
+	coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
+	coal->rate_sample_interval = priv->sample_interval;
+	coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
+	return 0;
+}
+
+static int mlx4_en_set_coalesce(struct net_device *dev,
+			      struct ethtool_coalesce *coal)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int err, i;
+
+	priv->rx_frames = (coal->rx_max_coalesced_frames ==
+			   MLX4_EN_AUTO_CONF) ?
+				MLX4_EN_RX_COAL_TARGET /
+				priv->dev->mtu + 1 :
+				coal->rx_max_coalesced_frames;
+	priv->rx_usecs = (coal->rx_coalesce_usecs ==
+			  MLX4_EN_AUTO_CONF) ?
+				MLX4_EN_RX_COAL_TIME :
+				coal->rx_coalesce_usecs;
+
+	/* Set adaptive coalescing params */
+	priv->pkt_rate_low = coal->pkt_rate_low;
+	priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
+	priv->pkt_rate_high = coal->pkt_rate_high;
+	priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
+	priv->sample_interval = coal->rate_sample_interval;
+	priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
+	priv->last_moder_time = MLX4_EN_AUTO_CONF;
+	if (priv->adaptive_rx_coal)
+		return 0;
+
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		priv->rx_cq[i].moder_cnt = priv->rx_frames;
+		priv->rx_cq[i].moder_time = priv->rx_usecs;
+		err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
+		if (err)
+			return err;
+	}
+	return 0;
+}
+
+static int mlx4_en_set_pauseparam(struct net_device *dev,
+				struct ethtool_pauseparam *pause)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	mdev->profile.tx_pause = pause->tx_pause != 0;
+	mdev->profile.rx_pause = pause->rx_pause != 0;
+	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
+				    priv->rx_skb_size + ETH_FCS_LEN,
+				    mdev->profile.tx_pause,
+				    mdev->profile.tx_ppp,
+				    mdev->profile.rx_pause,
+				    mdev->profile.rx_ppp);
+	if (err)
+		mlx4_err(mdev, "Failed setting pause params to\n");
+
+	return err;
+}
+
+static void mlx4_en_get_pauseparam(struct net_device *dev,
+				 struct ethtool_pauseparam *pause)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	pause->tx_pause = mdev->profile.tx_pause;
+	pause->rx_pause = mdev->profile.rx_pause;
+}
+
+static void mlx4_en_get_ringparam(struct net_device *dev,
+				  struct ethtool_ringparam *param)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	memset(param, 0, sizeof(*param));
+	param->rx_max_pending = mdev->dev->caps.max_rq_sg;
+	param->tx_max_pending = mdev->dev->caps.max_sq_sg;
+	param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
+	param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
+}
+
+const struct ethtool_ops mlx4_en_ethtool_ops = {
+	.get_drvinfo = mlx4_en_get_drvinfo,
+	.get_settings = mlx4_en_get_settings,
+	.set_settings = mlx4_en_set_settings,
+#ifdef NETIF_F_TSO
+	.get_tso = mlx4_en_get_tso,
+	.set_tso = mlx4_en_set_tso,
+#endif
+	.get_sg = ethtool_op_get_sg,
+	.set_sg = ethtool_op_set_sg,
+	.get_link = ethtool_op_get_link,
+	.get_rx_csum = mlx4_en_get_rx_csum,
+	.set_rx_csum = mlx4_en_set_rx_csum,
+	.get_tx_csum = ethtool_op_get_tx_csum,
+	.set_tx_csum = ethtool_op_set_tx_ipv6_csum,
+	.get_strings = mlx4_en_get_strings,
+	.get_sset_count = mlx4_en_get_sset_count,
+	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
+	.get_wol = mlx4_en_get_wol,
+	.get_msglevel = mlx4_en_get_msglevel,
+	.set_msglevel = mlx4_en_set_msglevel,
+	.get_coalesce = mlx4_en_get_coalesce,
+	.set_coalesce = mlx4_en_set_coalesce,
+	.get_pauseparam = mlx4_en_get_pauseparam,
+	.set_pauseparam = mlx4_en_set_pauseparam,
+	.get_ringparam = mlx4_en_get_ringparam,
+	.get_flags = ethtool_op_get_flags,
+	.set_flags = ethtool_op_set_flags,
+};
+
+
+
+
+
diff --git a/drivers/net/mlx4/en_port.c b/drivers/net/mlx4/en_port.c
new file mode 100644
index 00000000000..c5a4c038975
--- /dev/null
+++ b/drivers/net/mlx4/en_port.c
@@ -0,0 +1,261 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+
+#include <linux/if_vlan.h>
+
+#include <linux/mlx4/device.h>
+#include <linux/mlx4/cmd.h>
+
+#include "en_port.h"
+#include "mlx4_en.h"
+
+
+int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port,
+			u64 mac, u64 clear, u8 mode)
+{
+	return mlx4_cmd(dev, (mac | (clear << 63)), port, mode,
+			MLX4_CMD_SET_MCAST_FLTR, MLX4_CMD_TIME_CLASS_B);
+}
+
+int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, u8 port, struct vlan_group *grp)
+{
+	struct mlx4_cmd_mailbox *mailbox;
+	struct mlx4_set_vlan_fltr_mbox *filter;
+	int i;
+	int j;
+	int index = 0;
+	u32 entry;
+	int err = 0;
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	filter = mailbox->buf;
+	if (grp) {
+		memset(filter, 0, sizeof *filter);
+		for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) {
+			entry = 0;
+			for (j = 0; j < 32; j++)
+				if (vlan_group_get_device(grp, index++))
+					entry |= 1 << j;
+			filter->entry[i] = cpu_to_be32(entry);
+		}
+	} else {
+		/* When no vlans are configured we block all vlans */
+		memset(filter, 0, sizeof(*filter));
+	}
+	err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_SET_VLAN_FLTR,
+		       MLX4_CMD_TIME_CLASS_B);
+	mlx4_free_cmd_mailbox(dev, mailbox);
+	return err;
+}
+
+
+int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
+			  u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx)
+{
+	struct mlx4_cmd_mailbox *mailbox;
+	struct mlx4_set_port_general_context *context;
+	int err;
+	u32 in_mod;
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+	context = mailbox->buf;
+	memset(context, 0, sizeof *context);
+
+	context->flags = SET_PORT_GEN_ALL_VALID;
+	context->mtu = cpu_to_be16(mtu);
+	context->pptx = (pptx * (!pfctx)) << 7;
+	context->pfctx = pfctx;
+	context->pprx = (pprx * (!pfcrx)) << 7;
+	context->pfcrx = pfcrx;
+
+	in_mod = MLX4_SET_PORT_GENERAL << 8 | port;
+	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
+		       MLX4_CMD_TIME_CLASS_B);
+
+	mlx4_free_cmd_mailbox(dev, mailbox);
+	return err;
+}
+
+int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
+			   u8 promisc)
+{
+	struct mlx4_cmd_mailbox *mailbox;
+	struct mlx4_set_port_rqp_calc_context *context;
+	int err;
+	u32 in_mod;
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+	context = mailbox->buf;
+	memset(context, 0, sizeof *context);
+
+	context->base_qpn = cpu_to_be32(base_qpn);
+	context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_SHIFT | base_qpn);
+	context->mcast = cpu_to_be32(1 << SET_PORT_PROMISC_SHIFT | base_qpn);
+	context->intra_no_vlan = 0;
+	context->no_vlan = MLX4_NO_VLAN_IDX;
+	context->intra_vlan_miss = 0;
+	context->vlan_miss = MLX4_VLAN_MISS_IDX;
+
+	in_mod = MLX4_SET_PORT_RQP_CALC << 8 | port;
+	err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT,
+		       MLX4_CMD_TIME_CLASS_B);
+
+	mlx4_free_cmd_mailbox(dev, mailbox);
+	return err;
+}
+
+
+int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
+{
+	struct mlx4_en_stat_out_mbox *mlx4_en_stats;
+	struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
+	struct net_device_stats *stats = &priv->stats;
+	struct mlx4_cmd_mailbox *mailbox;
+	u64 in_mod = reset << 8 | port;
+	int err;
+
+	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+	memset(mailbox->buf, 0, sizeof(*mlx4_en_stats));
+	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0,
+			   MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B);
+	if (err)
+		goto out;
+
+	mlx4_en_stats = mailbox->buf;
+
+	spin_lock_bh(&priv->stats_lock);
+
+	stats->rx_packets = be32_to_cpu(mlx4_en_stats->RTOTFRMS) -
+			    be32_to_cpu(mlx4_en_stats->RDROP);
+	stats->tx_packets = be64_to_cpu(mlx4_en_stats->TTOT_prio_0) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_prio_1) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_prio_2) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_prio_3) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_prio_4) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_prio_5) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_prio_6) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_prio_7) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_novlan) +
+			    be64_to_cpu(mlx4_en_stats->TTOT_loopbk);
+	stats->rx_bytes = be64_to_cpu(mlx4_en_stats->ROCT_prio_0) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_prio_1) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_prio_2) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_prio_3) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_prio_4) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_prio_5) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_prio_6) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_prio_7) +
+			  be64_to_cpu(mlx4_en_stats->ROCT_novlan);
+
+	stats->tx_bytes = be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_0) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_1) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_2) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_3) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_4) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_5) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_6) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_prio_7) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_novlan) +
+			  be64_to_cpu(mlx4_en_stats->TTTLOCT_loopbk);
+
+	stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +
+			   be32_to_cpu(mlx4_en_stats->RdropLength) +
+			   be32_to_cpu(mlx4_en_stats->RJBBR) +
+			   be32_to_cpu(mlx4_en_stats->RCRC) +
+			   be32_to_cpu(mlx4_en_stats->RRUNT);
+	stats->tx_errors = be32_to_cpu(mlx4_en_stats->TDROP);
+	stats->multicast = be64_to_cpu(mlx4_en_stats->MCAST_prio_0) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_prio_1) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_prio_2) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_prio_3) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_prio_4) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_prio_5) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_prio_6) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_prio_7) +
+			   be64_to_cpu(mlx4_en_stats->MCAST_novlan);
+	stats->collisions = 0;
+	stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
+	stats->rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
+	stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
+	stats->rx_frame_errors = 0;
+	stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
+	stats->rx_missed_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
+	stats->tx_aborted_errors = 0;
+	stats->tx_carrier_errors = 0;
+	stats->tx_fifo_errors = 0;
+	stats->tx_heartbeat_errors = 0;
+	stats->tx_window_errors = 0;
+
+	priv->pkstats.broadcast =
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_0) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_1) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_2) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_3) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_4) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_5) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_6) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_prio_7) +
+				be64_to_cpu(mlx4_en_stats->RBCAST_novlan);
+	priv->pkstats.rx_prio[0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0);
+	priv->pkstats.rx_prio[1] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1);
+	priv->pkstats.rx_prio[2] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2);
+	priv->pkstats.rx_prio[3] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3);
+	priv->pkstats.rx_prio[4] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4);
+	priv->pkstats.rx_prio[5] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5);
+	priv->pkstats.rx_prio[6] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6);
+	priv->pkstats.rx_prio[7] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7);
+	priv->pkstats.tx_prio[0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0);
+	priv->pkstats.tx_prio[1] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1);
+	priv->pkstats.tx_prio[2] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2);
+	priv->pkstats.tx_prio[3] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3);
+	priv->pkstats.tx_prio[4] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4);
+	priv->pkstats.tx_prio[5] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5);
+	priv->pkstats.tx_prio[6] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6);
+	priv->pkstats.tx_prio[7] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7);
+	spin_unlock_bh(&priv->stats_lock);
+
+out:
+	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
+	return err;
+}
+
diff --git a/drivers/net/mlx4/en_port.h b/drivers/net/mlx4/en_port.h
new file mode 100644
index 00000000000..e6477f12beb
--- /dev/null
+++ b/drivers/net/mlx4/en_port.h
@@ -0,0 +1,570 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _MLX4_EN_PORT_H_
+#define _MLX4_EN_PORT_H_
+
+
+#define SET_PORT_GEN_ALL_VALID	0x7
+#define SET_PORT_PROMISC_SHIFT	31
+
+enum {
+	MLX4_CMD_SET_VLAN_FLTR  = 0x47,
+	MLX4_CMD_SET_MCAST_FLTR = 0x48,
+	MLX4_CMD_DUMP_ETH_STATS = 0x49,
+};
+
+struct mlx4_set_port_general_context {
+	u8 reserved[3];
+	u8 flags;
+	u16 reserved2;
+	__be16 mtu;
+	u8 pptx;
+	u8 pfctx;
+	u16 reserved3;
+	u8 pprx;
+	u8 pfcrx;
+	u16 reserved4;
+};
+
+struct mlx4_set_port_rqp_calc_context {
+	__be32 base_qpn;
+	__be32 flags;
+	u8 reserved[3];
+	u8 mac_miss;
+	u8 intra_no_vlan;
+	u8 no_vlan;
+	u8 intra_vlan_miss;
+	u8 vlan_miss;
+	u8 reserved2[3];
+	u8 no_vlan_prio;
+	__be32 promisc;
+	__be32 mcast;
+};
+
+#define VLAN_FLTR_SIZE	128
+struct mlx4_set_vlan_fltr_mbox {
+	__be32 entry[VLAN_FLTR_SIZE];
+};
+
+
+enum {
+	MLX4_MCAST_CONFIG       = 0,
+	MLX4_MCAST_DISABLE      = 1,
+	MLX4_MCAST_ENABLE       = 2,
+};
+
+
+struct mlx4_en_stat_out_mbox {
+	/* Received frames with a length of 64 octets */
+	__be64 R64_prio_0;
+	__be64 R64_prio_1;
+	__be64 R64_prio_2;
+	__be64 R64_prio_3;
+	__be64 R64_prio_4;
+	__be64 R64_prio_5;
+	__be64 R64_prio_6;
+	__be64 R64_prio_7;
+	__be64 R64_novlan;
+	/* Received frames with a length of 127 octets */
+	__be64 R127_prio_0;
+	__be64 R127_prio_1;
+	__be64 R127_prio_2;
+	__be64 R127_prio_3;
+	__be64 R127_prio_4;
+	__be64 R127_prio_5;
+	__be64 R127_prio_6;
+	__be64 R127_prio_7;
+	__be64 R127_novlan;
+	/* Received frames with a length of 255 octets */
+	__be64 R255_prio_0;
+	__be64 R255_prio_1;
+	__be64 R255_prio_2;
+	__be64 R255_prio_3;
+	__be64 R255_prio_4;
+	__be64 R255_prio_5;
+	__be64 R255_prio_6;
+	__be64 R255_prio_7;
+	__be64 R255_novlan;
+	/* Received frames with a length of 511 octets */
+	__be64 R511_prio_0;
+	__be64 R511_prio_1;
+	__be64 R511_prio_2;
+	__be64 R511_prio_3;
+	__be64 R511_prio_4;
+	__be64 R511_prio_5;
+	__be64 R511_prio_6;
+	__be64 R511_prio_7;
+	__be64 R511_novlan;
+	/* Received frames with a length of 1023 octets */
+	__be64 R1023_prio_0;
+	__be64 R1023_prio_1;
+	__be64 R1023_prio_2;
+	__be64 R1023_prio_3;
+	__be64 R1023_prio_4;
+	__be64 R1023_prio_5;
+	__be64 R1023_prio_6;
+	__be64 R1023_prio_7;
+	__be64 R1023_novlan;
+	/* Received frames with a length of 1518 octets */
+	__be64 R1518_prio_0;
+	__be64 R1518_prio_1;
+	__be64 R1518_prio_2;
+	__be64 R1518_prio_3;
+	__be64 R1518_prio_4;
+	__be64 R1518_prio_5;
+	__be64 R1518_prio_6;
+	__be64 R1518_prio_7;
+	__be64 R1518_novlan;
+	/* Received frames with a length of 1522 octets */
+	__be64 R1522_prio_0;
+	__be64 R1522_prio_1;
+	__be64 R1522_prio_2;
+	__be64 R1522_prio_3;
+	__be64 R1522_prio_4;
+	__be64 R1522_prio_5;
+	__be64 R1522_prio_6;
+	__be64 R1522_prio_7;
+	__be64 R1522_novlan;
+	/* Received frames with a length of 1548 octets */
+	__be64 R1548_prio_0;
+	__be64 R1548_prio_1;
+	__be64 R1548_prio_2;
+	__be64 R1548_prio_3;
+	__be64 R1548_prio_4;
+	__be64 R1548_prio_5;
+	__be64 R1548_prio_6;
+	__be64 R1548_prio_7;
+	__be64 R1548_novlan;
+	/* Received frames with a length of 1548 < octets < MTU */
+	__be64 R2MTU_prio_0;
+	__be64 R2MTU_prio_1;
+	__be64 R2MTU_prio_2;
+	__be64 R2MTU_prio_3;
+	__be64 R2MTU_prio_4;
+	__be64 R2MTU_prio_5;
+	__be64 R2MTU_prio_6;
+	__be64 R2MTU_prio_7;
+	__be64 R2MTU_novlan;
+	/* Received frames with a length of MTU< octets and good CRC */
+	__be64 RGIANT_prio_0;
+	__be64 RGIANT_prio_1;
+	__be64 RGIANT_prio_2;
+	__be64 RGIANT_prio_3;
+	__be64 RGIANT_prio_4;
+	__be64 RGIANT_prio_5;
+	__be64 RGIANT_prio_6;
+	__be64 RGIANT_prio_7;
+	__be64 RGIANT_novlan;
+	/* Received broadcast frames with good CRC */
+	__be64 RBCAST_prio_0;
+	__be64 RBCAST_prio_1;
+	__be64 RBCAST_prio_2;
+	__be64 RBCAST_prio_3;
+	__be64 RBCAST_prio_4;
+	__be64 RBCAST_prio_5;
+	__be64 RBCAST_prio_6;
+	__be64 RBCAST_prio_7;
+	__be64 RBCAST_novlan;
+	/* Received multicast frames with good CRC */
+	__be64 MCAST_prio_0;
+	__be64 MCAST_prio_1;
+	__be64 MCAST_prio_2;
+	__be64 MCAST_prio_3;
+	__be64 MCAST_prio_4;
+	__be64 MCAST_prio_5;
+	__be64 MCAST_prio_6;
+	__be64 MCAST_prio_7;
+	__be64 MCAST_novlan;
+	/* Received unicast not short or GIANT frames with good CRC */
+	__be64 RTOTG_prio_0;
+	__be64 RTOTG_prio_1;
+	__be64 RTOTG_prio_2;
+	__be64 RTOTG_prio_3;
+	__be64 RTOTG_prio_4;
+	__be64 RTOTG_prio_5;
+	__be64 RTOTG_prio_6;
+	__be64 RTOTG_prio_7;
+	__be64 RTOTG_novlan;
+
+	/* Count of total octets of received frames, includes framing characters */
+	__be64 RTTLOCT_prio_0;
+	/* Count of total octets of received frames, not including framing
+	   characters */
+	__be64 RTTLOCT_NOFRM_prio_0;
+	/* Count of Total number of octets received
+	   (only for frames without errors) */
+	__be64 ROCT_prio_0;
+
+	__be64 RTTLOCT_prio_1;
+	__be64 RTTLOCT_NOFRM_prio_1;
+	__be64 ROCT_prio_1;
+
+	__be64 RTTLOCT_prio_2;
+	__be64 RTTLOCT_NOFRM_prio_2;
+	__be64 ROCT_prio_2;
+
+	__be64 RTTLOCT_prio_3;
+	__be64 RTTLOCT_NOFRM_prio_3;
+	__be64 ROCT_prio_3;
+
+	__be64 RTTLOCT_prio_4;
+	__be64 RTTLOCT_NOFRM_prio_4;
+	__be64 ROCT_prio_4;
+
+	__be64 RTTLOCT_prio_5;
+	__be64 RTTLOCT_NOFRM_prio_5;
+	__be64 ROCT_prio_5;
+
+	__be64 RTTLOCT_prio_6;
+	__be64 RTTLOCT_NOFRM_prio_6;
+	__be64 ROCT_prio_6;
+
+	__be64 RTTLOCT_prio_7;
+	__be64 RTTLOCT_NOFRM_prio_7;
+	__be64 ROCT_prio_7;
+
+	__be64 RTTLOCT_novlan;
+	__be64 RTTLOCT_NOFRM_novlan;
+	__be64 ROCT_novlan;
+
+	/* Count of Total received frames including bad frames */
+	__be64 RTOT_prio_0;
+	/* Count of  Total number of received frames with 802.1Q encapsulation */
+	__be64 R1Q_prio_0;
+	__be64 reserved1;
+
+	__be64 RTOT_prio_1;
+	__be64 R1Q_prio_1;
+	__be64 reserved2;
+
+	__be64 RTOT_prio_2;
+	__be64 R1Q_prio_2;
+	__be64 reserved3;
+
+	__be64 RTOT_prio_3;
+	__be64 R1Q_prio_3;
+	__be64 reserved4;
+
+	__be64 RTOT_prio_4;
+	__be64 R1Q_prio_4;
+	__be64 reserved5;
+
+	__be64 RTOT_prio_5;
+	__be64 R1Q_prio_5;
+	__be64 reserved6;
+
+	__be64 RTOT_prio_6;
+	__be64 R1Q_prio_6;
+	__be64 reserved7;
+
+	__be64 RTOT_prio_7;
+	__be64 R1Q_prio_7;
+	__be64 reserved8;
+
+	__be64 RTOT_novlan;
+	__be64 R1Q_novlan;
+	__be64 reserved9;
+
+	/* Total number of Successfully Received Control Frames */
+	__be64 RCNTL;
+	__be64 reserved10;
+	__be64 reserved11;
+	__be64 reserved12;
+	/* Count of received frames with a length/type field  value between 46
+	   (42 for VLANtagged frames) and 1500 (also 1500 for VLAN-tagged frames),
+	   inclusive */
+	__be64 RInRangeLengthErr;
+	/* Count of received frames with length/type field between 1501 and 1535
+	   decimal, inclusive */
+	__be64 ROutRangeLengthErr;
+	/* Count of received frames that are longer than max allowed size for
+	   802.3 frames (1518/1522) */
+	__be64 RFrmTooLong;
+	/* Count frames received with PCS error */
+	__be64 PCS;
+
+	/* Transmit frames with a length of 64 octets */
+	__be64 T64_prio_0;
+	__be64 T64_prio_1;
+	__be64 T64_prio_2;
+	__be64 T64_prio_3;
+	__be64 T64_prio_4;
+	__be64 T64_prio_5;
+	__be64 T64_prio_6;
+	__be64 T64_prio_7;
+	__be64 T64_novlan;
+	__be64 T64_loopbk;
+	/* Transmit frames with a length of 65 to 127 octets. */
+	__be64 T127_prio_0;
+	__be64 T127_prio_1;
+	__be64 T127_prio_2;
+	__be64 T127_prio_3;
+	__be64 T127_prio_4;
+	__be64 T127_prio_5;
+	__be64 T127_prio_6;
+	__be64 T127_prio_7;
+	__be64 T127_novlan;
+	__be64 T127_loopbk;
+	/* Transmit frames with a length of 128 to 255 octets */
+	__be64 T255_prio_0;
+	__be64 T255_prio_1;
+	__be64 T255_prio_2;
+	__be64 T255_prio_3;
+	__be64 T255_prio_4;
+	__be64 T255_prio_5;
+	__be64 T255_prio_6;
+	__be64 T255_prio_7;
+	__be64 T255_novlan;
+	__be64 T255_loopbk;
+	/* Transmit frames with a length of 256 to 511 octets */
+	__be64 T511_prio_0;
+	__be64 T511_prio_1;
+	__be64 T511_prio_2;
+	__be64 T511_prio_3;
+	__be64 T511_prio_4;
+	__be64 T511_prio_5;
+	__be64 T511_prio_6;
+	__be64 T511_prio_7;
+	__be64 T511_novlan;
+	__be64 T511_loopbk;
+	/* Transmit frames with a length of 512 to 1023 octets */
+	__be64 T1023_prio_0;
+	__be64 T1023_prio_1;
+	__be64 T1023_prio_2;
+	__be64 T1023_prio_3;
+	__be64 T1023_prio_4;
+	__be64 T1023_prio_5;
+	__be64 T1023_prio_6;
+	__be64 T1023_prio_7;
+	__be64 T1023_novlan;
+	__be64 T1023_loopbk;
+	/* Transmit frames with a length of 1024 to 1518 octets */
+	__be64 T1518_prio_0;
+	__be64 T1518_prio_1;
+	__be64 T1518_prio_2;
+	__be64 T1518_prio_3;
+	__be64 T1518_prio_4;
+	__be64 T1518_prio_5;
+	__be64 T1518_prio_6;
+	__be64 T1518_prio_7;
+	__be64 T1518_novlan;
+	__be64 T1518_loopbk;
+	/* Counts transmit frames with a length of 1519 to 1522 bytes */
+	__be64 T1522_prio_0;
+	__be64 T1522_prio_1;
+	__be64 T1522_prio_2;
+	__be64 T1522_prio_3;
+	__be64 T1522_prio_4;
+	__be64 T1522_prio_5;
+	__be64 T1522_prio_6;
+	__be64 T1522_prio_7;
+	__be64 T1522_novlan;
+	__be64 T1522_loopbk;
+	/* Transmit frames with a length of 1523 to 1548 octets */
+	__be64 T1548_prio_0;
+	__be64 T1548_prio_1;
+	__be64 T1548_prio_2;
+	__be64 T1548_prio_3;
+	__be64 T1548_prio_4;
+	__be64 T1548_prio_5;
+	__be64 T1548_prio_6;
+	__be64 T1548_prio_7;
+	__be64 T1548_novlan;
+	__be64 T1548_loopbk;
+	/* Counts transmit frames with a length of 1549 to MTU bytes */
+	__be64 T2MTU_prio_0;
+	__be64 T2MTU_prio_1;
+	__be64 T2MTU_prio_2;
+	__be64 T2MTU_prio_3;
+	__be64 T2MTU_prio_4;
+	__be64 T2MTU_prio_5;
+	__be64 T2MTU_prio_6;
+	__be64 T2MTU_prio_7;
+	__be64 T2MTU_novlan;
+	__be64 T2MTU_loopbk;
+	/* Transmit frames with a length greater than MTU octets and a good CRC. */
+	__be64 TGIANT_prio_0;
+	__be64 TGIANT_prio_1;
+	__be64 TGIANT_prio_2;
+	__be64 TGIANT_prio_3;
+	__be64 TGIANT_prio_4;
+	__be64 TGIANT_prio_5;
+	__be64 TGIANT_prio_6;
+	__be64 TGIANT_prio_7;
+	__be64 TGIANT_novlan;
+	__be64 TGIANT_loopbk;
+	/* Transmit broadcast frames with a good CRC */
+	__be64 TBCAST_prio_0;
+	__be64 TBCAST_prio_1;
+	__be64 TBCAST_prio_2;
+	__be64 TBCAST_prio_3;
+	__be64 TBCAST_prio_4;
+	__be64 TBCAST_prio_5;
+	__be64 TBCAST_prio_6;
+	__be64 TBCAST_prio_7;
+	__be64 TBCAST_novlan;
+	__be64 TBCAST_loopbk;
+	/* Transmit multicast frames with a good CRC */
+	__be64 TMCAST_prio_0;
+	__be64 TMCAST_prio_1;
+	__be64 TMCAST_prio_2;
+	__be64 TMCAST_prio_3;
+	__be64 TMCAST_prio_4;
+	__be64 TMCAST_prio_5;
+	__be64 TMCAST_prio_6;
+	__be64 TMCAST_prio_7;
+	__be64 TMCAST_novlan;
+	__be64 TMCAST_loopbk;
+	/* Transmit good frames that are neither broadcast nor multicast */
+	__be64 TTOTG_prio_0;
+	__be64 TTOTG_prio_1;
+	__be64 TTOTG_prio_2;
+	__be64 TTOTG_prio_3;
+	__be64 TTOTG_prio_4;
+	__be64 TTOTG_prio_5;
+	__be64 TTOTG_prio_6;
+	__be64 TTOTG_prio_7;
+	__be64 TTOTG_novlan;
+	__be64 TTOTG_loopbk;
+
+	/* total octets of transmitted frames, including framing characters */
+	__be64 TTTLOCT_prio_0;
+	/* total octets of transmitted frames, not including framing characters */
+	__be64 TTTLOCT_NOFRM_prio_0;
+	/* ifOutOctets */
+	__be64 TOCT_prio_0;
+
+	__be64 TTTLOCT_prio_1;
+	__be64 TTTLOCT_NOFRM_prio_1;
+	__be64 TOCT_prio_1;
+
+	__be64 TTTLOCT_prio_2;
+	__be64 TTTLOCT_NOFRM_prio_2;
+	__be64 TOCT_prio_2;
+
+	__be64 TTTLOCT_prio_3;
+	__be64 TTTLOCT_NOFRM_prio_3;
+	__be64 TOCT_prio_3;
+
+	__be64 TTTLOCT_prio_4;
+	__be64 TTTLOCT_NOFRM_prio_4;
+	__be64 TOCT_prio_4;
+
+	__be64 TTTLOCT_prio_5;
+	__be64 TTTLOCT_NOFRM_prio_5;
+	__be64 TOCT_prio_5;
+
+	__be64 TTTLOCT_prio_6;
+	__be64 TTTLOCT_NOFRM_prio_6;
+	__be64 TOCT_prio_6;
+
+	__be64 TTTLOCT_prio_7;
+	__be64 TTTLOCT_NOFRM_prio_7;
+	__be64 TOCT_prio_7;
+
+	__be64 TTTLOCT_novlan;
+	__be64 TTTLOCT_NOFRM_novlan;
+	__be64 TOCT_novlan;
+
+	__be64 TTTLOCT_loopbk;
+	__be64 TTTLOCT_NOFRM_loopbk;
+	__be64 TOCT_loopbk;
+
+	/* Total frames transmitted with a good CRC that are not aborted  */
+	__be64 TTOT_prio_0;
+	/* Total number of frames transmitted with 802.1Q encapsulation */
+	__be64 T1Q_prio_0;
+	__be64 reserved13;
+
+	__be64 TTOT_prio_1;
+	__be64 T1Q_prio_1;
+	__be64 reserved14;
+
+	__be64 TTOT_prio_2;
+	__be64 T1Q_prio_2;
+	__be64 reserved15;
+
+	__be64 TTOT_prio_3;
+	__be64 T1Q_prio_3;
+	__be64 reserved16;
+
+	__be64 TTOT_prio_4;
+	__be64 T1Q_prio_4;
+	__be64 reserved17;
+
+	__be64 TTOT_prio_5;
+	__be64 T1Q_prio_5;
+	__be64 reserved18;
+
+	__be64 TTOT_prio_6;
+	__be64 T1Q_prio_6;
+	__be64 reserved19;
+
+	__be64 TTOT_prio_7;
+	__be64 T1Q_prio_7;
+	__be64 reserved20;
+
+	__be64 TTOT_novlan;
+	__be64 T1Q_novlan;
+	__be64 reserved21;
+
+	__be64 TTOT_loopbk;
+	__be64 T1Q_loopbk;
+	__be64 reserved22;
+
+	/* Received frames with a length greater than MTU octets and a bad CRC */
+	__be32 RJBBR;
+	/* Received frames with a bad CRC that are not runts, jabbers,
+	   or alignment errors */
+	__be32 RCRC;
+	/* Received frames with SFD with a length of less than 64 octets and a
+	   bad CRC */
+	__be32 RRUNT;
+	/* Received frames with a length less than 64 octets and a good CRC */
+	__be32 RSHORT;
+	/* Total Number of Received Packets Dropped */
+	__be32 RDROP;
+	/* Drop due to overflow  */
+	__be32 RdropOvflw;
+	/* Drop due to overflow */
+	__be32 RdropLength;
+	/* Total of good frames. Does not include frames received with
+	   frame-too-long, FCS, or length errors */
+	__be32 RTOTFRMS;
+	/* Total dropped Xmited packets */
+	__be32 TDROP;
+};
+
+
+#endif
diff --git a/drivers/net/mlx4/en_resources.c b/drivers/net/mlx4/en_resources.c
new file mode 100644
index 00000000000..a0545209e50
--- /dev/null
+++ b/drivers/net/mlx4/en_resources.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/vmalloc.h>
+#include <linux/mlx4/qp.h>
+
+#include "mlx4_en.h"
+
+void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
+			     int is_tx, int rss, int qpn, int cqn, int srqn,
+			     struct mlx4_qp_context *context)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	memset(context, 0, sizeof *context);
+	context->flags = cpu_to_be32(7 << 16 | rss << 13);
+	context->pd = cpu_to_be32(mdev->priv_pdn);
+	context->mtu_msgmax = 0xff;
+	context->rq_size_stride = 0;
+	if (is_tx)
+		context->sq_size_stride = ilog2(size) << 3 | (ilog2(stride) - 4);
+	else
+		context->sq_size_stride = 1;
+	context->usr_page = cpu_to_be32(mdev->priv_uar.index);
+	context->local_qpn = cpu_to_be32(qpn);
+	context->pri_path.ackto = 1 & 0x07;
+	context->pri_path.sched_queue = 0x83 | (priv->port - 1) << 6;
+	context->pri_path.counter_index = 0xff;
+	context->cqn_send = cpu_to_be32(cqn);
+	context->cqn_recv = cpu_to_be32(cqn);
+	context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);
+	if (!rss)
+		context->srqn = cpu_to_be32(MLX4_EN_USE_SRQ | srqn);
+}
+
+
+int mlx4_en_map_buffer(struct mlx4_buf *buf)
+{
+	struct page **pages;
+	int i;
+
+	if (BITS_PER_LONG == 64 || buf->nbufs == 1)
+		return 0;
+
+	pages = kmalloc(sizeof *pages * buf->nbufs, GFP_KERNEL);
+	if (!pages)
+		return -ENOMEM;
+
+	for (i = 0; i < buf->nbufs; ++i)
+		pages[i] = virt_to_page(buf->page_list[i].buf);
+
+	buf->direct.buf = vmap(pages, buf->nbufs, VM_MAP, PAGE_KERNEL);
+	kfree(pages);
+	if (!buf->direct.buf)
+		return -ENOMEM;
+
+	return 0;
+}
+
+void mlx4_en_unmap_buffer(struct mlx4_buf *buf)
+{
+	if (BITS_PER_LONG == 64 || buf->nbufs == 1)
+		return;
+
+	vunmap(buf->direct.buf);
+}
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
new file mode 100644
index 00000000000..6232227f56c
--- /dev/null
+++ b/drivers/net/mlx4/en_rx.c
@@ -0,0 +1,1080 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/mlx4/cq.h>
+#include <linux/mlx4/qp.h>
+#include <linux/skbuff.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/vmalloc.h>
+
+#include "mlx4_en.h"
+
+static void *get_wqe(struct mlx4_en_rx_ring *ring, int n)
+{
+	int offset = n << ring->srq.wqe_shift;
+	return ring->buf + offset;
+}
+
+static void mlx4_en_srq_event(struct mlx4_srq *srq, enum mlx4_event type)
+{
+	return;
+}
+
+static int mlx4_en_get_frag_header(struct skb_frag_struct *frags, void **mac_hdr,
+				   void **ip_hdr, void **tcpudp_hdr,
+				   u64 *hdr_flags, void *priv)
+{
+	*mac_hdr = page_address(frags->page) + frags->page_offset;
+	*ip_hdr = *mac_hdr + ETH_HLEN;
+	*tcpudp_hdr = (struct tcphdr *)(*ip_hdr + sizeof(struct iphdr));
+	*hdr_flags = LRO_IPV4 | LRO_TCP;
+
+	return 0;
+}
+
+static int mlx4_en_alloc_frag(struct mlx4_en_priv *priv,
+			      struct mlx4_en_rx_desc *rx_desc,
+			      struct skb_frag_struct *skb_frags,
+			      struct mlx4_en_rx_alloc *ring_alloc,
+			      int i)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_frag_info *frag_info = &priv->frag_info[i];
+	struct mlx4_en_rx_alloc *page_alloc = &ring_alloc[i];
+	struct page *page;
+	dma_addr_t dma;
+
+	if (page_alloc->offset == frag_info->last_offset) {
+		/* Allocate new page */
+		page = alloc_pages(GFP_ATOMIC | __GFP_COMP, MLX4_EN_ALLOC_ORDER);
+		if (!page)
+			return -ENOMEM;
+
+		skb_frags[i].page = page_alloc->page;
+		skb_frags[i].page_offset = page_alloc->offset;
+		page_alloc->page = page;
+		page_alloc->offset = frag_info->frag_align;
+	} else {
+		page = page_alloc->page;
+		get_page(page);
+
+		skb_frags[i].page = page;
+		skb_frags[i].page_offset = page_alloc->offset;
+		page_alloc->offset += frag_info->frag_stride;
+	}
+	dma = pci_map_single(mdev->pdev, page_address(skb_frags[i].page) +
+			     skb_frags[i].page_offset, frag_info->frag_size,
+			     PCI_DMA_FROMDEVICE);
+	rx_desc->data[i].addr = cpu_to_be64(dma);
+	return 0;
+}
+
+static int mlx4_en_init_allocator(struct mlx4_en_priv *priv,
+				  struct mlx4_en_rx_ring *ring)
+{
+	struct mlx4_en_rx_alloc *page_alloc;
+	int i;
+
+	for (i = 0; i < priv->num_frags; i++) {
+		page_alloc = &ring->page_alloc[i];
+		page_alloc->page = alloc_pages(GFP_ATOMIC | __GFP_COMP,
+					       MLX4_EN_ALLOC_ORDER);
+		if (!page_alloc->page)
+			goto out;
+
+		page_alloc->offset = priv->frag_info[i].frag_align;
+		mlx4_dbg(DRV, priv, "Initialized allocator:%d with page:%p\n",
+			 i, page_alloc->page);
+	}
+	return 0;
+
+out:
+	while (i--) {
+		page_alloc = &ring->page_alloc[i];
+		put_page(page_alloc->page);
+		page_alloc->page = NULL;
+	}
+	return -ENOMEM;
+}
+
+static void mlx4_en_destroy_allocator(struct mlx4_en_priv *priv,
+				      struct mlx4_en_rx_ring *ring)
+{
+	struct mlx4_en_rx_alloc *page_alloc;
+	int i;
+
+	for (i = 0; i < priv->num_frags; i++) {
+		page_alloc = &ring->page_alloc[i];
+		mlx4_dbg(DRV, priv, "Freeing allocator:%d count:%d\n",
+			 i, page_count(page_alloc->page));
+
+		put_page(page_alloc->page);
+		page_alloc->page = NULL;
+	}
+}
+
+
+static void mlx4_en_init_rx_desc(struct mlx4_en_priv *priv,
+				 struct mlx4_en_rx_ring *ring, int index)
+{
+	struct mlx4_en_rx_desc *rx_desc = ring->buf + ring->stride * index;
+	struct skb_frag_struct *skb_frags = ring->rx_info +
+					    (index << priv->log_rx_info);
+	int possible_frags;
+	int i;
+
+	/* Pre-link descriptor */
+	rx_desc->next.next_wqe_index = cpu_to_be16((index + 1) & ring->size_mask);
+
+	/* Set size and memtype fields */
+	for (i = 0; i < priv->num_frags; i++) {
+		skb_frags[i].size = priv->frag_info[i].frag_size;
+		rx_desc->data[i].byte_count =
+			cpu_to_be32(priv->frag_info[i].frag_size);
+		rx_desc->data[i].lkey = cpu_to_be32(priv->mdev->mr.key);
+	}
+
+	/* If the number of used fragments does not fill up the ring stride,
+	 * remaining (unused) fragments must be padded with null address/size
+	 * and a special memory key */
+	possible_frags = (ring->stride - sizeof(struct mlx4_en_rx_desc)) / DS_SIZE;
+	for (i = priv->num_frags; i < possible_frags; i++) {
+		rx_desc->data[i].byte_count = 0;
+		rx_desc->data[i].lkey = cpu_to_be32(MLX4_EN_MEMTYPE_PAD);
+		rx_desc->data[i].addr = 0;
+	}
+}
+
+
+static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv,
+				   struct mlx4_en_rx_ring *ring, int index)
+{
+	struct mlx4_en_rx_desc *rx_desc = ring->buf + (index * ring->stride);
+	struct skb_frag_struct *skb_frags = ring->rx_info +
+					    (index << priv->log_rx_info);
+	int i;
+
+	for (i = 0; i < priv->num_frags; i++)
+		if (mlx4_en_alloc_frag(priv, rx_desc, skb_frags, ring->page_alloc, i))
+			goto err;
+
+	return 0;
+
+err:
+	while (i--)
+		put_page(skb_frags[i].page);
+	return -ENOMEM;
+}
+
+static inline void mlx4_en_update_rx_prod_db(struct mlx4_en_rx_ring *ring)
+{
+	*ring->wqres.db.db = cpu_to_be32(ring->prod & 0xffff);
+}
+
+static int mlx4_en_fill_rx_buffers(struct mlx4_en_priv *priv)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_rx_ring *ring;
+	int ring_ind;
+	int buf_ind;
+
+	for (buf_ind = 0; buf_ind < priv->prof->rx_ring_size; buf_ind++) {
+		for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
+			ring = &priv->rx_ring[ring_ind];
+
+			if (mlx4_en_prepare_rx_desc(priv, ring,
+						    ring->actual_size)) {
+				if (ring->actual_size < MLX4_EN_MIN_RX_SIZE) {
+					mlx4_err(mdev, "Failed to allocate "
+						       "enough rx buffers\n");
+					return -ENOMEM;
+				} else {
+					if (netif_msg_rx_err(priv))
+						mlx4_warn(mdev,
+							  "Only %d buffers allocated\n",
+							  ring->actual_size);
+					goto out;
+				}
+			}
+			ring->actual_size++;
+			ring->prod++;
+		}
+	}
+out:
+	return 0;
+}
+
+static int mlx4_en_fill_rx_buf(struct net_device *dev,
+			       struct mlx4_en_rx_ring *ring)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int num = 0;
+	int err;
+
+	while ((u32) (ring->prod - ring->cons) < ring->actual_size) {
+		err = mlx4_en_prepare_rx_desc(priv, ring, ring->prod &
+					      ring->size_mask);
+		if (err) {
+			if (netif_msg_rx_err(priv))
+				mlx4_warn(priv->mdev,
+					  "Failed preparing rx descriptor\n");
+			priv->port_stats.rx_alloc_failed++;
+			break;
+		}
+		++num;
+		++ring->prod;
+	}
+	if ((u32) (ring->prod - ring->cons) == ring->size)
+		ring->full = 1;
+
+	return num;
+}
+
+static void mlx4_en_free_rx_buf(struct mlx4_en_priv *priv,
+				struct mlx4_en_rx_ring *ring)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct skb_frag_struct *skb_frags;
+	struct mlx4_en_rx_desc *rx_desc;
+	dma_addr_t dma;
+	int index;
+	int nr;
+
+	mlx4_dbg(DRV, priv, "Freeing Rx buf - cons:%d prod:%d\n",
+			ring->cons, ring->prod);
+
+	/* Unmap and free Rx buffers */
+	BUG_ON((u32) (ring->prod - ring->cons) > ring->size);
+	while (ring->cons != ring->prod) {
+		index = ring->cons & ring->size_mask;
+		rx_desc = ring->buf + (index << ring->log_stride);
+		skb_frags = ring->rx_info + (index << priv->log_rx_info);
+		mlx4_dbg(DRV, priv, "Processing descriptor:%d\n", index);
+
+		for (nr = 0; nr < priv->num_frags; nr++) {
+			mlx4_dbg(DRV, priv, "Freeing fragment:%d\n", nr);
+			dma = be64_to_cpu(rx_desc->data[nr].addr);
+
+			mlx4_dbg(DRV, priv, "Unmaping buffer at dma:0x%llx\n", (u64) dma);
+			pci_unmap_single(mdev->pdev, dma, skb_frags[nr].size,
+					 PCI_DMA_FROMDEVICE);
+			put_page(skb_frags[nr].page);
+		}
+		++ring->cons;
+	}
+}
+
+
+void mlx4_en_rx_refill(struct work_struct *work)
+{
+	struct delayed_work *delay = container_of(work, struct delayed_work, work);
+	struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv,
+						 refill_task);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct net_device *dev = priv->dev;
+	struct mlx4_en_rx_ring *ring;
+	int need_refill = 0;
+	int i;
+
+	mutex_lock(&mdev->state_lock);
+	if (!mdev->device_up || !priv->port_up)
+		goto out;
+
+	/* We only get here if there are no receive buffers, so we can't race
+	 * with Rx interrupts while filling buffers */
+	for (i = 0; i < priv->rx_ring_num; i++) {
+		ring = &priv->rx_ring[i];
+		if (ring->need_refill) {
+			if (mlx4_en_fill_rx_buf(dev, ring)) {
+				ring->need_refill = 0;
+				mlx4_en_update_rx_prod_db(ring);
+			} else
+				need_refill = 1;
+		}
+	}
+	if (need_refill)
+		queue_delayed_work(mdev->workqueue, &priv->refill_task, HZ);
+
+out:
+	mutex_unlock(&mdev->state_lock);
+}
+
+
+int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
+			   struct mlx4_en_rx_ring *ring, u32 size, u16 stride)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+	int tmp;
+
+	/* Sanity check SRQ size before proceeding */
+	if (size >= mdev->dev->caps.max_srq_wqes)
+		return -EINVAL;
+
+	ring->prod = 0;
+	ring->cons = 0;
+	ring->size = size;
+	ring->size_mask = size - 1;
+	ring->stride = stride;
+	ring->log_stride = ffs(ring->stride) - 1;
+	ring->buf_size = ring->size * ring->stride;
+
+	tmp = size * roundup_pow_of_two(MLX4_EN_MAX_RX_FRAGS *
+					sizeof(struct skb_frag_struct));
+	ring->rx_info = vmalloc(tmp);
+	if (!ring->rx_info) {
+		mlx4_err(mdev, "Failed allocating rx_info ring\n");
+		return -ENOMEM;
+	}
+	mlx4_dbg(DRV, priv, "Allocated rx_info ring at addr:%p size:%d\n",
+		 ring->rx_info, tmp);
+
+	err = mlx4_alloc_hwq_res(mdev->dev, &ring->wqres,
+				 ring->buf_size, 2 * PAGE_SIZE);
+	if (err)
+		goto err_ring;
+
+	err = mlx4_en_map_buffer(&ring->wqres.buf);
+	if (err) {
+		mlx4_err(mdev, "Failed to map RX buffer\n");
+		goto err_hwq;
+	}
+	ring->buf = ring->wqres.buf.direct.buf;
+
+	/* Configure lro mngr */
+	memset(&ring->lro, 0, sizeof(struct net_lro_mgr));
+	ring->lro.dev = priv->dev;
+	ring->lro.features = LRO_F_NAPI;
+	ring->lro.frag_align_pad = NET_IP_ALIGN;
+	ring->lro.ip_summed = CHECKSUM_UNNECESSARY;
+	ring->lro.ip_summed_aggr = CHECKSUM_UNNECESSARY;
+	ring->lro.max_desc = mdev->profile.num_lro;
+	ring->lro.max_aggr = MAX_SKB_FRAGS;
+	ring->lro.lro_arr = kzalloc(mdev->profile.num_lro *
+				    sizeof(struct net_lro_desc),
+				    GFP_KERNEL);
+	if (!ring->lro.lro_arr) {
+		mlx4_err(mdev, "Failed to allocate lro array\n");
+		goto err_map;
+	}
+	ring->lro.get_frag_header = mlx4_en_get_frag_header;
+
+	return 0;
+
+err_map:
+	mlx4_en_unmap_buffer(&ring->wqres.buf);
+err_hwq:
+	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
+err_ring:
+	vfree(ring->rx_info);
+	ring->rx_info = NULL;
+	return err;
+}
+
+int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_wqe_srq_next_seg *next;
+	struct mlx4_en_rx_ring *ring;
+	int i;
+	int ring_ind;
+	int err;
+	int stride = roundup_pow_of_two(sizeof(struct mlx4_en_rx_desc) +
+					DS_SIZE * priv->num_frags);
+	int max_gs = (stride - sizeof(struct mlx4_wqe_srq_next_seg)) / DS_SIZE;
+
+	for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
+		ring = &priv->rx_ring[ring_ind];
+
+		ring->prod = 0;
+		ring->cons = 0;
+		ring->actual_size = 0;
+		ring->cqn = priv->rx_cq[ring_ind].mcq.cqn;
+
+		ring->stride = stride;
+		ring->log_stride = ffs(ring->stride) - 1;
+		ring->buf_size = ring->size * ring->stride;
+
+		memset(ring->buf, 0, ring->buf_size);
+		mlx4_en_update_rx_prod_db(ring);
+
+		/* Initailize all descriptors */
+		for (i = 0; i < ring->size; i++)
+			mlx4_en_init_rx_desc(priv, ring, i);
+
+		/* Initialize page allocators */
+		err = mlx4_en_init_allocator(priv, ring);
+		if (err) {
+			 mlx4_err(mdev, "Failed initializing ring allocator\n");
+			 goto err_allocator;
+		}
+
+		/* Fill Rx buffers */
+		ring->full = 0;
+	}
+	if (mlx4_en_fill_rx_buffers(priv))
+		goto err_buffers;
+
+	for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
+		ring = &priv->rx_ring[ring_ind];
+
+		mlx4_en_update_rx_prod_db(ring);
+
+		/* Configure SRQ representing the ring */
+		ring->srq.max    = ring->size;
+		ring->srq.max_gs = max_gs;
+		ring->srq.wqe_shift = ilog2(ring->stride);
+
+		for (i = 0; i < ring->srq.max; ++i) {
+			next = get_wqe(ring, i);
+			next->next_wqe_index =
+			cpu_to_be16((i + 1) & (ring->srq.max - 1));
+		}
+
+		err = mlx4_srq_alloc(mdev->dev, mdev->priv_pdn, &ring->wqres.mtt,
+				     ring->wqres.db.dma, &ring->srq);
+		if (err){
+			mlx4_err(mdev, "Failed to allocate srq\n");
+			goto err_srq;
+		}
+		ring->srq.event = mlx4_en_srq_event;
+	}
+
+	return 0;
+
+err_srq:
+	while (ring_ind >= 0) {
+		ring = &priv->rx_ring[ring_ind];
+		mlx4_srq_free(mdev->dev, &ring->srq);
+		ring_ind--;
+	}
+
+err_buffers:
+	for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++)
+		mlx4_en_free_rx_buf(priv, &priv->rx_ring[ring_ind]);
+
+	ring_ind = priv->rx_ring_num - 1;
+err_allocator:
+	while (ring_ind >= 0) {
+		mlx4_en_destroy_allocator(priv, &priv->rx_ring[ring_ind]);
+		ring_ind--;
+	}
+	return err;
+}
+
+void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
+			     struct mlx4_en_rx_ring *ring)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	kfree(ring->lro.lro_arr);
+	mlx4_en_unmap_buffer(&ring->wqres.buf);
+	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
+	vfree(ring->rx_info);
+	ring->rx_info = NULL;
+}
+
+void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
+				struct mlx4_en_rx_ring *ring)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	mlx4_srq_free(mdev->dev, &ring->srq);
+	mlx4_en_free_rx_buf(priv, ring);
+	mlx4_en_destroy_allocator(priv, ring);
+}
+
+
+/* Unmap a completed descriptor and free unused pages */
+static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
+				    struct mlx4_en_rx_desc *rx_desc,
+				    struct skb_frag_struct *skb_frags,
+				    struct skb_frag_struct *skb_frags_rx,
+				    struct mlx4_en_rx_alloc *page_alloc,
+				    int length)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_frag_info *frag_info;
+	int nr;
+	dma_addr_t dma;
+
+	/* Collect used fragments while replacing them in the HW descirptors */
+	for (nr = 0; nr < priv->num_frags; nr++) {
+		frag_info = &priv->frag_info[nr];
+		if (length <= frag_info->frag_prefix_size)
+			break;
+
+		/* Save page reference in skb */
+		skb_frags_rx[nr].page = skb_frags[nr].page;
+		skb_frags_rx[nr].size = skb_frags[nr].size;
+		skb_frags_rx[nr].page_offset = skb_frags[nr].page_offset;
+		dma = be64_to_cpu(rx_desc->data[nr].addr);
+
+		/* Allocate a replacement page */
+		if (mlx4_en_alloc_frag(priv, rx_desc, skb_frags, page_alloc, nr))
+			goto fail;
+
+		/* Unmap buffer */
+		pci_unmap_single(mdev->pdev, dma, skb_frags[nr].size,
+				 PCI_DMA_FROMDEVICE);
+	}
+	/* Adjust size of last fragment to match actual length */
+	skb_frags_rx[nr - 1].size = length -
+		priv->frag_info[nr - 1].frag_prefix_size;
+	return nr;
+
+fail:
+	/* Drop all accumulated fragments (which have already been replaced in
+	 * the descriptor) of this packet; remaining fragments are reused... */
+	while (nr > 0) {
+		nr--;
+		put_page(skb_frags_rx[nr].page);
+	}
+	return 0;
+}
+
+
+static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv,
+				      struct mlx4_en_rx_desc *rx_desc,
+				      struct skb_frag_struct *skb_frags,
+				      struct mlx4_en_rx_alloc *page_alloc,
+				      unsigned int length)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct sk_buff *skb;
+	void *va;
+	int used_frags;
+	dma_addr_t dma;
+
+	skb = dev_alloc_skb(SMALL_PACKET_SIZE + NET_IP_ALIGN);
+	if (!skb) {
+		mlx4_dbg(RX_ERR, priv, "Failed allocating skb\n");
+		return NULL;
+	}
+	skb->dev = priv->dev;
+	skb_reserve(skb, NET_IP_ALIGN);
+	skb->len = length;
+	skb->truesize = length + sizeof(struct sk_buff);
+
+	/* Get pointer to first fragment so we could copy the headers into the
+	 * (linear part of the) skb */
+	va = page_address(skb_frags[0].page) + skb_frags[0].page_offset;
+
+	if (length <= SMALL_PACKET_SIZE) {
+		/* We are copying all relevant data to the skb - temporarily
+		 * synch buffers for the copy */
+		dma = be64_to_cpu(rx_desc->data[0].addr);
+		dma_sync_single_range_for_cpu(&mdev->pdev->dev, dma, 0,
+					      length, DMA_FROM_DEVICE);
+		skb_copy_to_linear_data(skb, va, length);
+		dma_sync_single_range_for_device(&mdev->pdev->dev, dma, 0,
+						 length, DMA_FROM_DEVICE);
+		skb->tail += length;
+	} else {
+
+		/* Move relevant fragments to skb */
+		used_frags = mlx4_en_complete_rx_desc(priv, rx_desc, skb_frags,
+						      skb_shinfo(skb)->frags,
+						      page_alloc, length);
+		skb_shinfo(skb)->nr_frags = used_frags;
+
+		/* Copy headers into the skb linear buffer */
+		memcpy(skb->data, va, HEADER_COPY_SIZE);
+		skb->tail += HEADER_COPY_SIZE;
+
+		/* Skip headers in first fragment */
+		skb_shinfo(skb)->frags[0].page_offset += HEADER_COPY_SIZE;
+
+		/* Adjust size of first fragment */
+		skb_shinfo(skb)->frags[0].size -= HEADER_COPY_SIZE;
+		skb->data_len = length - HEADER_COPY_SIZE;
+	}
+	return skb;
+}
+
+static void mlx4_en_copy_desc(struct mlx4_en_priv *priv,
+			      struct mlx4_en_rx_ring *ring,
+			      int from, int to, int num)
+{
+	struct skb_frag_struct *skb_frags_from;
+	struct skb_frag_struct *skb_frags_to;
+	struct mlx4_en_rx_desc *rx_desc_from;
+	struct mlx4_en_rx_desc *rx_desc_to;
+	int from_index, to_index;
+	int nr, i;
+
+	for (i = 0; i < num; i++) {
+		from_index = (from + i) & ring->size_mask;
+		to_index = (to + i) & ring->size_mask;
+		skb_frags_from = ring->rx_info + (from_index << priv->log_rx_info);
+		skb_frags_to = ring->rx_info + (to_index << priv->log_rx_info);
+		rx_desc_from = ring->buf + (from_index << ring->log_stride);
+		rx_desc_to = ring->buf + (to_index << ring->log_stride);
+
+		for (nr = 0; nr < priv->num_frags; nr++) {
+			skb_frags_to[nr].page = skb_frags_from[nr].page;
+			skb_frags_to[nr].page_offset = skb_frags_from[nr].page_offset;
+			rx_desc_to->data[nr].addr = rx_desc_from->data[nr].addr;
+		}
+	}
+}
+
+
+int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int budget)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_cqe *cqe;
+	struct mlx4_en_rx_ring *ring = &priv->rx_ring[cq->ring];
+	struct skb_frag_struct *skb_frags;
+	struct skb_frag_struct lro_frags[MLX4_EN_MAX_RX_FRAGS];
+	struct mlx4_en_rx_desc *rx_desc;
+	struct sk_buff *skb;
+	int index;
+	int nr;
+	unsigned int length;
+	int polled = 0;
+	int ip_summed;
+
+	if (!priv->port_up)
+		return 0;
+
+	/* We assume a 1:1 mapping between CQEs and Rx descriptors, so Rx
+	 * descriptor offset can be deduced from the CQE index instead of
+	 * reading 'cqe->index' */
+	index = cq->mcq.cons_index & ring->size_mask;
+	cqe = &cq->buf[index];
+
+	/* Process all completed CQEs */
+	while (XNOR(cqe->owner_sr_opcode & MLX4_CQE_OWNER_MASK,
+		    cq->mcq.cons_index & cq->size)) {
+
+		skb_frags = ring->rx_info + (index << priv->log_rx_info);
+		rx_desc = ring->buf + (index << ring->log_stride);
+
+		/*
+		 * make sure we read the CQE after we read the ownership bit
+		 */
+		rmb();
+
+		/* Drop packet on bad receive or bad checksum */
+		if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) ==
+						MLX4_CQE_OPCODE_ERROR)) {
+			mlx4_err(mdev, "CQE completed in error - vendor "
+				  "syndrom:%d syndrom:%d\n",
+				  ((struct mlx4_err_cqe *) cqe)->vendor_err_syndrome,
+				  ((struct mlx4_err_cqe *) cqe)->syndrome);
+			goto next;
+		}
+		if (unlikely(cqe->badfcs_enc & MLX4_CQE_BAD_FCS)) {
+			mlx4_dbg(RX_ERR, priv, "Accepted frame with bad FCS\n");
+			goto next;
+		}
+
+		/*
+		 * Packet is OK - process it.
+		 */
+		length = be32_to_cpu(cqe->byte_cnt);
+		ring->bytes += length;
+		ring->packets++;
+
+		if (likely(priv->rx_csum)) {
+			if ((cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) &&
+			    (cqe->checksum == cpu_to_be16(0xffff))) {
+				priv->port_stats.rx_chksum_good++;
+				/* This packet is eligible for LRO if it is:
+				 * - DIX Ethernet (type interpretation)
+				 * - TCP/IP (v4)
+				 * - without IP options
+				 * - not an IP fragment */
+				if (mlx4_en_can_lro(cqe->status) &&
+				    dev->features & NETIF_F_LRO) {
+
+					nr = mlx4_en_complete_rx_desc(
+						priv, rx_desc,
+						skb_frags, lro_frags,
+						ring->page_alloc, length);
+					if (!nr)
+						goto next;
+
+					if (priv->vlgrp && (cqe->vlan_my_qpn &
+							    cpu_to_be32(MLX4_CQE_VLAN_PRESENT_MASK))) {
+						lro_vlan_hwaccel_receive_frags(
+						       &ring->lro, lro_frags,
+						       length, length,
+						       priv->vlgrp,
+						       be16_to_cpu(cqe->sl_vid),
+						       NULL, 0);
+					} else
+						lro_receive_frags(&ring->lro,
+								  lro_frags,
+								  length,
+								  length,
+								  NULL, 0);
+
+					goto next;
+				}
+
+				/* LRO not possible, complete processing here */
+				ip_summed = CHECKSUM_UNNECESSARY;
+				INC_PERF_COUNTER(priv->pstats.lro_misses);
+			} else {
+				ip_summed = CHECKSUM_NONE;
+				priv->port_stats.rx_chksum_none++;
+			}
+		} else {
+			ip_summed = CHECKSUM_NONE;
+			priv->port_stats.rx_chksum_none++;
+		}
+
+		skb = mlx4_en_rx_skb(priv, rx_desc, skb_frags,
+				     ring->page_alloc, length);
+		if (!skb) {
+			priv->stats.rx_dropped++;
+			goto next;
+		}
+
+		skb->ip_summed = ip_summed;
+		skb->protocol = eth_type_trans(skb, dev);
+
+		/* Push it up the stack */
+		if (priv->vlgrp && (be32_to_cpu(cqe->vlan_my_qpn) &
+				    MLX4_CQE_VLAN_PRESENT_MASK)) {
+			vlan_hwaccel_receive_skb(skb, priv->vlgrp,
+						be16_to_cpu(cqe->sl_vid));
+		} else
+			netif_receive_skb(skb);
+
+		dev->last_rx = jiffies;
+
+next:
+		++cq->mcq.cons_index;
+		index = (cq->mcq.cons_index) & ring->size_mask;
+		cqe = &cq->buf[index];
+		if (++polled == budget) {
+			/* We are here because we reached the NAPI budget -
+			 * flush only pending LRO sessions */
+			lro_flush_all(&ring->lro);
+			goto out;
+		}
+	}
+
+	/* If CQ is empty flush all LRO sessions unconditionally */
+	lro_flush_all(&ring->lro);
+
+out:
+	AVG_PERF_COUNTER(priv->pstats.rx_coal_avg, polled);
+	mlx4_cq_set_ci(&cq->mcq);
+	wmb(); /* ensure HW sees CQ consumer before we post new buffers */
+	ring->cons = cq->mcq.cons_index;
+	ring->prod += polled; /* Polled descriptors were realocated in place */
+	if (unlikely(!ring->full)) {
+		mlx4_en_copy_desc(priv, ring, ring->cons - polled,
+				  ring->prod - polled, polled);
+		mlx4_en_fill_rx_buf(dev, ring);
+	}
+	mlx4_en_update_rx_prod_db(ring);
+	return polled;
+}
+
+
+void mlx4_en_rx_irq(struct mlx4_cq *mcq)
+{
+	struct mlx4_en_cq *cq = container_of(mcq, struct mlx4_en_cq, mcq);
+	struct mlx4_en_priv *priv = netdev_priv(cq->dev);
+
+	if (priv->port_up)
+		netif_rx_schedule(cq->dev, &cq->napi);
+	else
+		mlx4_en_arm_cq(priv, cq);
+}
+
+/* Rx CQ polling - called by NAPI */
+int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget)
+{
+	struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi);
+	struct net_device *dev = cq->dev;
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int done;
+
+	done = mlx4_en_process_rx_cq(dev, cq, budget);
+
+	/* If we used up all the quota - we're probably not done yet... */
+	if (done == budget)
+		INC_PERF_COUNTER(priv->pstats.napi_quota);
+	else {
+		/* Done for now */
+		netif_rx_complete(dev, napi);
+		mlx4_en_arm_cq(priv, cq);
+	}
+	return done;
+}
+
+
+/* Calculate the last offset position that accomodates a full fragment
+ * (assuming fagment size = stride-align) */
+static int mlx4_en_last_alloc_offset(struct mlx4_en_priv *priv, u16 stride, u16 align)
+{
+	u16 res = MLX4_EN_ALLOC_SIZE % stride;
+	u16 offset = MLX4_EN_ALLOC_SIZE - stride - res + align;
+
+	mlx4_dbg(DRV, priv, "Calculated last offset for stride:%d align:%d "
+			    "res:%d offset:%d\n", stride, align, res, offset);
+	return offset;
+}
+
+
+static int frag_sizes[] = {
+	FRAG_SZ0,
+	FRAG_SZ1,
+	FRAG_SZ2,
+	FRAG_SZ3
+};
+
+void mlx4_en_calc_rx_buf(struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int eff_mtu = dev->mtu + ETH_HLEN + VLAN_HLEN + ETH_LLC_SNAP_SIZE;
+	int buf_size = 0;
+	int i = 0;
+
+	while (buf_size < eff_mtu) {
+		priv->frag_info[i].frag_size =
+			(eff_mtu > buf_size + frag_sizes[i]) ?
+				frag_sizes[i] : eff_mtu - buf_size;
+		priv->frag_info[i].frag_prefix_size = buf_size;
+		if (!i)	{
+			priv->frag_info[i].frag_align = NET_IP_ALIGN;
+			priv->frag_info[i].frag_stride =
+				ALIGN(frag_sizes[i] + NET_IP_ALIGN, SMP_CACHE_BYTES);
+		} else {
+			priv->frag_info[i].frag_align = 0;
+			priv->frag_info[i].frag_stride =
+				ALIGN(frag_sizes[i], SMP_CACHE_BYTES);
+		}
+		priv->frag_info[i].last_offset = mlx4_en_last_alloc_offset(
+						priv, priv->frag_info[i].frag_stride,
+						priv->frag_info[i].frag_align);
+		buf_size += priv->frag_info[i].frag_size;
+		i++;
+	}
+
+	priv->num_frags = i;
+	priv->rx_skb_size = eff_mtu;
+	priv->log_rx_info = ROUNDUP_LOG2(i * sizeof(struct skb_frag_struct));
+
+	mlx4_dbg(DRV, priv, "Rx buffer scatter-list (effective-mtu:%d "
+		  "num_frags:%d):\n", eff_mtu, priv->num_frags);
+	for (i = 0; i < priv->num_frags; i++) {
+		mlx4_dbg(DRV, priv, "  frag:%d - size:%d prefix:%d align:%d "
+				"stride:%d last_offset:%d\n", i,
+				priv->frag_info[i].frag_size,
+				priv->frag_info[i].frag_prefix_size,
+				priv->frag_info[i].frag_align,
+				priv->frag_info[i].frag_stride,
+				priv->frag_info[i].last_offset);
+	}
+}
+
+/* RSS related functions */
+
+/* Calculate rss size and map each entry in rss table to rx ring */
+void mlx4_en_set_default_rss_map(struct mlx4_en_priv *priv,
+				 struct mlx4_en_rss_map *rss_map,
+				 int num_entries, int num_rings)
+{
+	int i;
+
+	rss_map->size = roundup_pow_of_two(num_entries);
+	mlx4_dbg(DRV, priv, "Setting default RSS map of %d entires\n",
+		 rss_map->size);
+
+	for (i = 0; i < rss_map->size; i++) {
+		rss_map->map[i] = i % num_rings;
+		mlx4_dbg(DRV, priv, "Entry %d ---> ring %d\n", i, rss_map->map[i]);
+	}
+}
+
+static void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event)
+{
+    return;
+}
+
+
+static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv,
+				 int qpn, int srqn, int cqn,
+				 enum mlx4_qp_state *state,
+				 struct mlx4_qp *qp)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_qp_context *context;
+	int err = 0;
+
+	context = kmalloc(sizeof *context , GFP_KERNEL);
+	if (!context) {
+		mlx4_err(mdev, "Failed to allocate qp context\n");
+		return -ENOMEM;
+	}
+
+	err = mlx4_qp_alloc(mdev->dev, qpn, qp);
+	if (err) {
+		mlx4_err(mdev, "Failed to allocate qp #%d\n", qpn);
+		goto out;
+		return err;
+	}
+	qp->event = mlx4_en_sqp_event;
+
+	memset(context, 0, sizeof *context);
+	mlx4_en_fill_qp_context(priv, 0, 0, 0, 0, qpn, cqn, srqn, context);
+
+	err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, context, qp, state);
+	if (err) {
+		mlx4_qp_remove(mdev->dev, qp);
+		mlx4_qp_free(mdev->dev, qp);
+	}
+out:
+	kfree(context);
+	return err;
+}
+
+/* Allocate rx qp's and configure them according to rss map */
+int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_rss_map *rss_map = &priv->rss_map;
+	struct mlx4_qp_context context;
+	struct mlx4_en_rss_context *rss_context;
+	void *ptr;
+	int rss_xor = mdev->profile.rss_xor;
+	u8 rss_mask = mdev->profile.rss_mask;
+	int i, srqn, qpn, cqn;
+	int err = 0;
+	int good_qps = 0;
+
+	mlx4_dbg(DRV, priv, "Configuring rss steering for port %u\n", priv->port);
+	err = mlx4_qp_reserve_range(mdev->dev, rss_map->size,
+				    rss_map->size, &rss_map->base_qpn);
+	if (err) {
+		mlx4_err(mdev, "Failed reserving %d qps for port %u\n",
+			 rss_map->size, priv->port);
+		return err;
+	}
+
+	for (i = 0; i < rss_map->size; i++) {
+		cqn = priv->rx_ring[rss_map->map[i]].cqn;
+		srqn = priv->rx_ring[rss_map->map[i]].srq.srqn;
+		qpn = rss_map->base_qpn + i;
+		err = mlx4_en_config_rss_qp(priv, qpn, srqn, cqn,
+					    &rss_map->state[i],
+					    &rss_map->qps[i]);
+		if (err)
+			goto rss_err;
+
+		++good_qps;
+	}
+
+	/* Configure RSS indirection qp */
+	err = mlx4_qp_reserve_range(mdev->dev, 1, 1, &priv->base_qpn);
+	if (err) {
+		mlx4_err(mdev, "Failed to reserve range for RSS "
+			       "indirection qp\n");
+		goto rss_err;
+	}
+	err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, &rss_map->indir_qp);
+	if (err) {
+		mlx4_err(mdev, "Failed to allocate RSS indirection QP\n");
+		goto reserve_err;
+	}
+	rss_map->indir_qp.event = mlx4_en_sqp_event;
+	mlx4_en_fill_qp_context(priv, 0, 0, 0, 1, priv->base_qpn,
+				priv->rx_ring[0].cqn, 0, &context);
+
+	ptr = ((void *) &context) + 0x3c;
+	rss_context = (struct mlx4_en_rss_context *) ptr;
+	rss_context->base_qpn = cpu_to_be32(ilog2(rss_map->size) << 24 |
+					    (rss_map->base_qpn));
+	rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn);
+	rss_context->hash_fn = rss_xor & 0x3;
+	rss_context->flags = rss_mask << 2;
+
+	err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context,
+			       &rss_map->indir_qp, &rss_map->indir_state);
+	if (err)
+		goto indir_err;
+
+	return 0;
+
+indir_err:
+	mlx4_qp_modify(mdev->dev, NULL, rss_map->indir_state,
+		       MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
+	mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
+	mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
+reserve_err:
+	mlx4_qp_release_range(mdev->dev, priv->base_qpn, 1);
+rss_err:
+	for (i = 0; i < good_qps; i++) {
+		mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
+			       MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->qps[i]);
+		mlx4_qp_remove(mdev->dev, &rss_map->qps[i]);
+		mlx4_qp_free(mdev->dev, &rss_map->qps[i]);
+	}
+	mlx4_qp_release_range(mdev->dev, rss_map->base_qpn, rss_map->size);
+	return err;
+}
+
+void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_rss_map *rss_map = &priv->rss_map;
+	int i;
+
+	mlx4_qp_modify(mdev->dev, NULL, rss_map->indir_state,
+		       MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
+	mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
+	mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
+	mlx4_qp_release_range(mdev->dev, priv->base_qpn, 1);
+
+	for (i = 0; i < rss_map->size; i++) {
+		mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
+			       MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->qps[i]);
+		mlx4_qp_remove(mdev->dev, &rss_map->qps[i]);
+		mlx4_qp_free(mdev->dev, &rss_map->qps[i]);
+	}
+	mlx4_qp_release_range(mdev->dev, rss_map->base_qpn, rss_map->size);
+}
+
+
+
+
+
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
new file mode 100644
index 00000000000..8592f8fb847
--- /dev/null
+++ b/drivers/net/mlx4/en_tx.c
@@ -0,0 +1,820 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <asm/page.h>
+#include <linux/mlx4/cq.h>
+#include <linux/mlx4/qp.h>
+#include <linux/skbuff.h>
+#include <linux/if_vlan.h>
+#include <linux/vmalloc.h>
+
+#include "mlx4_en.h"
+
+enum {
+	MAX_INLINE = 104, /* 128 - 16 - 4 - 4 */
+};
+
+static int inline_thold __read_mostly = MAX_INLINE;
+
+module_param_named(inline_thold, inline_thold, int, 0444);
+MODULE_PARM_DESC(inline_thold, "treshold for using inline data");
+
+int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
+			   struct mlx4_en_tx_ring *ring, u32 size,
+			   u16 stride)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int tmp;
+	int err;
+
+	ring->size = size;
+	ring->size_mask = size - 1;
+	ring->stride = stride;
+
+	inline_thold = min(inline_thold, MAX_INLINE);
+
+	spin_lock_init(&ring->comp_lock);
+
+	tmp = size * sizeof(struct mlx4_en_tx_info);
+	ring->tx_info = vmalloc(tmp);
+	if (!ring->tx_info) {
+		mlx4_err(mdev, "Failed allocating tx_info ring\n");
+		return -ENOMEM;
+	}
+	mlx4_dbg(DRV, priv, "Allocated tx_info ring at addr:%p size:%d\n",
+		 ring->tx_info, tmp);
+
+	ring->bounce_buf = kmalloc(MAX_DESC_SIZE, GFP_KERNEL);
+	if (!ring->bounce_buf) {
+		mlx4_err(mdev, "Failed allocating bounce buffer\n");
+		err = -ENOMEM;
+		goto err_tx;
+	}
+	ring->buf_size = ALIGN(size * ring->stride, MLX4_EN_PAGE_SIZE);
+
+	err = mlx4_alloc_hwq_res(mdev->dev, &ring->wqres, ring->buf_size,
+				 2 * PAGE_SIZE);
+	if (err) {
+		mlx4_err(mdev, "Failed allocating hwq resources\n");
+		goto err_bounce;
+	}
+
+	err = mlx4_en_map_buffer(&ring->wqres.buf);
+	if (err) {
+		mlx4_err(mdev, "Failed to map TX buffer\n");
+		goto err_hwq_res;
+	}
+
+	ring->buf = ring->wqres.buf.direct.buf;
+
+	mlx4_dbg(DRV, priv, "Allocated TX ring (addr:%p) - buf:%p size:%d "
+		 "buf_size:%d dma:%llx\n", ring, ring->buf, ring->size,
+		 ring->buf_size, (unsigned long long) ring->wqres.buf.direct.map);
+
+	err = mlx4_qp_reserve_range(mdev->dev, 1, 1, &ring->qpn);
+	if (err) {
+		mlx4_err(mdev, "Failed reserving qp for tx ring.\n");
+		goto err_map;
+	}
+
+	err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->qp);
+	if (err) {
+		mlx4_err(mdev, "Failed allocating qp %d\n", ring->qpn);
+		goto err_reserve;
+	}
+
+	return 0;
+
+err_reserve:
+	mlx4_qp_release_range(mdev->dev, ring->qpn, 1);
+err_map:
+	mlx4_en_unmap_buffer(&ring->wqres.buf);
+err_hwq_res:
+	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
+err_bounce:
+	kfree(ring->bounce_buf);
+	ring->bounce_buf = NULL;
+err_tx:
+	vfree(ring->tx_info);
+	ring->tx_info = NULL;
+	return err;
+}
+
+void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv,
+			     struct mlx4_en_tx_ring *ring)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	mlx4_dbg(DRV, priv, "Destroying tx ring, qpn: %d\n", ring->qpn);
+
+	mlx4_qp_remove(mdev->dev, &ring->qp);
+	mlx4_qp_free(mdev->dev, &ring->qp);
+	mlx4_qp_release_range(mdev->dev, ring->qpn, 1);
+	mlx4_en_unmap_buffer(&ring->wqres.buf);
+	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
+	kfree(ring->bounce_buf);
+	ring->bounce_buf = NULL;
+	vfree(ring->tx_info);
+	ring->tx_info = NULL;
+}
+
+int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
+			     struct mlx4_en_tx_ring *ring,
+			     int cq, int srqn)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int err;
+
+	ring->cqn = cq;
+	ring->prod = 0;
+	ring->cons = 0xffffffff;
+	ring->last_nr_txbb = 1;
+	ring->poll_cnt = 0;
+	ring->blocked = 0;
+	memset(ring->tx_info, 0, ring->size * sizeof(struct mlx4_en_tx_info));
+	memset(ring->buf, 0, ring->buf_size);
+
+	ring->qp_state = MLX4_QP_STATE_RST;
+	ring->doorbell_qpn = swab32(ring->qp.qpn << 8);
+
+	mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 1, 0, ring->qpn,
+				ring->cqn, srqn, &ring->context);
+
+	err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, &ring->context,
+			       &ring->qp, &ring->qp_state);
+
+	return err;
+}
+
+void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
+				struct mlx4_en_tx_ring *ring)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+
+	mlx4_qp_modify(mdev->dev, NULL, ring->qp_state,
+		       MLX4_QP_STATE_RST, NULL, 0, 0, &ring->qp);
+}
+
+
+static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
+				struct mlx4_en_tx_ring *ring,
+				int index, u8 owner)
+{
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_tx_info *tx_info = &ring->tx_info[index];
+	struct mlx4_en_tx_desc *tx_desc = ring->buf + index * TXBB_SIZE;
+	struct mlx4_wqe_data_seg *data = (void *) tx_desc + tx_info->data_offset;
+	struct sk_buff *skb = tx_info->skb;
+	struct skb_frag_struct *frag;
+	void *end = ring->buf + ring->buf_size;
+	int frags = skb_shinfo(skb)->nr_frags;
+	int i;
+	__be32 *ptr = (__be32 *)tx_desc;
+	__be32 stamp = cpu_to_be32(STAMP_VAL | (!!owner << STAMP_SHIFT));
+
+	/* Optimize the common case when there are no wraparounds */
+	if (likely((void *) tx_desc + tx_info->nr_txbb * TXBB_SIZE <= end)) {
+		if (tx_info->linear) {
+			pci_unmap_single(mdev->pdev,
+					 (dma_addr_t) be64_to_cpu(data->addr),
+					 be32_to_cpu(data->byte_count),
+					 PCI_DMA_TODEVICE);
+			++data;
+		}
+
+		for (i = 0; i < frags; i++) {
+			frag = &skb_shinfo(skb)->frags[i];
+			pci_unmap_page(mdev->pdev,
+				       (dma_addr_t) be64_to_cpu(data[i].addr),
+				       frag->size, PCI_DMA_TODEVICE);
+		}
+		/* Stamp the freed descriptor */
+		for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) {
+			*ptr = stamp;
+			ptr += STAMP_DWORDS;
+		}
+
+	} else {
+		if ((void *) data >= end) {
+			data = (struct mlx4_wqe_data_seg *)
+					(ring->buf + ((void *) data - end));
+		}
+
+		if (tx_info->linear) {
+			pci_unmap_single(mdev->pdev,
+					 (dma_addr_t) be64_to_cpu(data->addr),
+					 be32_to_cpu(data->byte_count),
+					 PCI_DMA_TODEVICE);
+			++data;
+		}
+
+		for (i = 0; i < frags; i++) {
+			/* Check for wraparound before unmapping */
+			if ((void *) data >= end)
+				data = (struct mlx4_wqe_data_seg *) ring->buf;
+			frag = &skb_shinfo(skb)->frags[i];
+			pci_unmap_page(mdev->pdev,
+					(dma_addr_t) be64_to_cpu(data->addr),
+					 frag->size, PCI_DMA_TODEVICE);
+		}
+		/* Stamp the freed descriptor */
+		for (i = 0; i < tx_info->nr_txbb * TXBB_SIZE; i += STAMP_STRIDE) {
+			*ptr = stamp;
+			ptr += STAMP_DWORDS;
+			if ((void *) ptr >= end) {
+				ptr = ring->buf;
+				stamp ^= cpu_to_be32(0x80000000);
+			}
+		}
+
+	}
+	dev_kfree_skb_any(skb);
+	return tx_info->nr_txbb;
+}
+
+
+int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int cnt = 0;
+
+	/* Skip last polled descriptor */
+	ring->cons += ring->last_nr_txbb;
+	mlx4_dbg(DRV, priv, "Freeing Tx buf - cons:0x%x prod:0x%x\n",
+		 ring->cons, ring->prod);
+
+	if ((u32) (ring->prod - ring->cons) > ring->size) {
+		if (netif_msg_tx_err(priv))
+			mlx4_warn(priv->mdev, "Tx consumer passed producer!\n");
+		return 0;
+	}
+
+	while (ring->cons != ring->prod) {
+		ring->last_nr_txbb = mlx4_en_free_tx_desc(priv, ring,
+						ring->cons & ring->size_mask,
+						!!(ring->cons & ring->size));
+		ring->cons += ring->last_nr_txbb;
+		cnt++;
+	}
+
+	if (cnt)
+		mlx4_dbg(DRV, priv, "Freed %d uncompleted tx descriptors\n", cnt);
+
+	return cnt;
+}
+
+void mlx4_en_set_prio_map(struct mlx4_en_priv *priv, u16 *prio_map, u32 ring_num)
+{
+	int block = 8 / ring_num;
+	int extra = 8 - (block * ring_num);
+	int num = 0;
+	u16 ring = 1;
+	int prio;
+
+	if (ring_num == 1) {
+		for (prio = 0; prio < 8; prio++)
+			prio_map[prio] = 0;
+		return;
+	}
+
+	for (prio = 0; prio < 8; prio++) {
+		if (extra && (num == block + 1)) {
+			ring++;
+			num = 0;
+			extra--;
+		} else if (!extra && (num == block)) {
+			ring++;
+			num = 0;
+		}
+		prio_map[prio] = ring;
+		mlx4_dbg(DRV, priv, " prio:%d --> ring:%d\n", prio, ring);
+		num++;
+	}
+}
+
+static void mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_cq *mcq = &cq->mcq;
+	struct mlx4_en_tx_ring *ring = &priv->tx_ring[cq->ring];
+	struct mlx4_cqe *cqe = cq->buf;
+	u16 index;
+	u16 new_index;
+	u32 txbbs_skipped = 0;
+	u32 cq_last_sav;
+
+	/* index always points to the first TXBB of the last polled descriptor */
+	index = ring->cons & ring->size_mask;
+	new_index = be16_to_cpu(cqe->wqe_index) & ring->size_mask;
+	if (index == new_index)
+		return;
+
+	if (!priv->port_up)
+		return;
+
+	/*
+	 * We use a two-stage loop:
+	 * - the first samples the HW-updated CQE
+	 * - the second frees TXBBs until the last sample
+	 * This lets us amortize CQE cache misses, while still polling the CQ
+	 * until is quiescent.
+	 */
+	cq_last_sav = mcq->cons_index;
+	do {
+		do {
+			/* Skip over last polled CQE */
+			index = (index + ring->last_nr_txbb) & ring->size_mask;
+			txbbs_skipped += ring->last_nr_txbb;
+
+			/* Poll next CQE */
+			ring->last_nr_txbb = mlx4_en_free_tx_desc(
+						priv, ring, index,
+						!!((ring->cons + txbbs_skipped) &
+						   ring->size));
+			++mcq->cons_index;
+
+		} while (index != new_index);
+
+		new_index = be16_to_cpu(cqe->wqe_index) & ring->size_mask;
+	} while (index != new_index);
+	AVG_PERF_COUNTER(priv->pstats.tx_coal_avg,
+			 (u32) (mcq->cons_index - cq_last_sav));
+
+	/*
+	 * To prevent CQ overflow we first update CQ consumer and only then
+	 * the ring consumer.
+	 */
+	mlx4_cq_set_ci(mcq);
+	wmb();
+	ring->cons += txbbs_skipped;
+
+	/* Wakeup Tx queue if this ring stopped it */
+	if (unlikely(ring->blocked)) {
+		if (((u32) (ring->prod - ring->cons) <=
+		     ring->size - HEADROOM - MAX_DESC_TXBBS) && !cq->armed) {
+
+			/* TODO: support multiqueue netdevs. Currently, we block
+			 * when *any* ring is full. Note that:
+			 * - 2 Tx rings can unblock at the same time and call
+			 *   netif_wake_queue(), which is OK since this
+			 *   operation is idempotent.
+			 * - We might wake the queue just after another ring
+			 *   stopped it. This is no big deal because the next
+			 *   transmission on that ring would stop the queue.
+			 */
+			ring->blocked = 0;
+			netif_wake_queue(dev);
+			priv->port_stats.wake_queue++;
+		}
+	}
+}
+
+void mlx4_en_tx_irq(struct mlx4_cq *mcq)
+{
+	struct mlx4_en_cq *cq = container_of(mcq, struct mlx4_en_cq, mcq);
+	struct mlx4_en_priv *priv = netdev_priv(cq->dev);
+	struct mlx4_en_tx_ring *ring = &priv->tx_ring[cq->ring];
+
+	spin_lock_irq(&ring->comp_lock);
+	cq->armed = 0;
+	mlx4_en_process_tx_cq(cq->dev, cq);
+	if (ring->blocked)
+		mlx4_en_arm_cq(priv, cq);
+	else
+		mod_timer(&cq->timer, jiffies + 1);
+	spin_unlock_irq(&ring->comp_lock);
+}
+
+
+void mlx4_en_poll_tx_cq(unsigned long data)
+{
+	struct mlx4_en_cq *cq = (struct mlx4_en_cq *) data;
+	struct mlx4_en_priv *priv = netdev_priv(cq->dev);
+	struct mlx4_en_tx_ring *ring = &priv->tx_ring[cq->ring];
+	u32 inflight;
+
+	INC_PERF_COUNTER(priv->pstats.tx_poll);
+
+	netif_tx_lock(priv->dev);
+	spin_lock_irq(&ring->comp_lock);
+	mlx4_en_process_tx_cq(cq->dev, cq);
+	inflight = (u32) (ring->prod - ring->cons - ring->last_nr_txbb);
+
+	/* If there are still packets in flight and the timer has not already
+	 * been scheduled by the Tx routine then schedule it here to guarantee
+	 * completion processing of these packets */
+	if (inflight && priv->port_up)
+		mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
+
+	spin_unlock_irq(&ring->comp_lock);
+	netif_tx_unlock(priv->dev);
+}
+
+static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv,
+						      struct mlx4_en_tx_ring *ring,
+						      u32 index,
+						      unsigned int desc_size)
+{
+	u32 copy = (ring->size - index) * TXBB_SIZE;
+	int i;
+
+	for (i = desc_size - copy - 4; i >= 0; i -= 4) {
+		if ((i & (TXBB_SIZE - 1)) == 0)
+			wmb();
+
+		*((u32 *) (ring->buf + i)) =
+			*((u32 *) (ring->bounce_buf + copy + i));
+	}
+
+	for (i = copy - 4; i >= 4 ; i -= 4) {
+		if ((i & (TXBB_SIZE - 1)) == 0)
+			wmb();
+
+		*((u32 *) (ring->buf + index * TXBB_SIZE + i)) =
+			*((u32 *) (ring->bounce_buf + i));
+	}
+
+	/* Return real descriptor location */
+	return ring->buf + index * TXBB_SIZE;
+}
+
+static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
+{
+	struct mlx4_en_cq *cq = &priv->tx_cq[tx_ind];
+	struct mlx4_en_tx_ring *ring = &priv->tx_ring[tx_ind];
+
+	/* If we don't have a pending timer, set one up to catch our recent
+	   post in case the interface becomes idle */
+	if (!timer_pending(&cq->timer))
+		mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
+
+	/* Poll the CQ every mlx4_en_TX_MODER_POLL packets */
+	if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0)
+		mlx4_en_process_tx_cq(priv->dev, cq);
+}
+
+static void *get_frag_ptr(struct sk_buff *skb)
+{
+	struct skb_frag_struct *frag =  &skb_shinfo(skb)->frags[0];
+	struct page *page = frag->page;
+	void *ptr;
+
+	ptr = page_address(page);
+	if (unlikely(!ptr))
+		return NULL;
+
+	return ptr + frag->page_offset;
+}
+
+static int is_inline(struct sk_buff *skb, void **pfrag)
+{
+	void *ptr;
+
+	if (inline_thold && !skb_is_gso(skb) && skb->len <= inline_thold) {
+		if (skb_shinfo(skb)->nr_frags == 1) {
+			ptr = get_frag_ptr(skb);
+			if (unlikely(!ptr))
+				return 0;
+
+			if (pfrag)
+				*pfrag = ptr;
+
+			return 1;
+		} else if (unlikely(skb_shinfo(skb)->nr_frags))
+			return 0;
+		else
+			return 1;
+	}
+
+	return 0;
+}
+
+static int inline_size(struct sk_buff *skb)
+{
+	if (skb->len + CTRL_SIZE + sizeof(struct mlx4_wqe_inline_seg)
+	    <= MLX4_INLINE_ALIGN)
+		return ALIGN(skb->len + CTRL_SIZE +
+			     sizeof(struct mlx4_wqe_inline_seg), 16);
+	else
+		return ALIGN(skb->len + CTRL_SIZE + 2 *
+			     sizeof(struct mlx4_wqe_inline_seg), 16);
+}
+
+static int get_real_size(struct sk_buff *skb, struct net_device *dev,
+			 int *lso_header_size)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	int real_size;
+
+	if (skb_is_gso(skb)) {
+		*lso_header_size = skb_transport_offset(skb) + tcp_hdrlen(skb);
+		real_size = CTRL_SIZE + skb_shinfo(skb)->nr_frags * DS_SIZE +
+			ALIGN(*lso_header_size + 4, DS_SIZE);
+		if (unlikely(*lso_header_size != skb_headlen(skb))) {
+			/* We add a segment for the skb linear buffer only if
+			 * it contains data */
+			if (*lso_header_size < skb_headlen(skb))
+				real_size += DS_SIZE;
+			else {
+				if (netif_msg_tx_err(priv))
+					mlx4_warn(mdev, "Non-linear headers\n");
+				dev_kfree_skb_any(skb);
+				return 0;
+			}
+		}
+		if (unlikely(*lso_header_size > MAX_LSO_HDR_SIZE)) {
+			if (netif_msg_tx_err(priv))
+				mlx4_warn(mdev, "LSO header size too big\n");
+			dev_kfree_skb_any(skb);
+			return 0;
+		}
+	} else {
+		*lso_header_size = 0;
+		if (!is_inline(skb, NULL))
+			real_size = CTRL_SIZE + (skb_shinfo(skb)->nr_frags + 1) * DS_SIZE;
+		else
+			real_size = inline_size(skb);
+	}
+
+	return real_size;
+}
+
+static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *skb,
+			     int real_size, u16 *vlan_tag, int tx_ind, void *fragptr)
+{
+	struct mlx4_wqe_inline_seg *inl = &tx_desc->inl;
+	int spc = MLX4_INLINE_ALIGN - CTRL_SIZE - sizeof *inl;
+
+	if (skb->len <= spc) {
+		inl->byte_count = cpu_to_be32(1 << 31 | skb->len);
+		skb_copy_from_linear_data(skb, inl + 1, skb_headlen(skb));
+		if (skb_shinfo(skb)->nr_frags)
+			memcpy(((void *)(inl + 1)) + skb_headlen(skb), fragptr,
+			       skb_shinfo(skb)->frags[0].size);
+
+	} else {
+		inl->byte_count = cpu_to_be32(1 << 31 | spc);
+		if (skb_headlen(skb) <= spc) {
+			skb_copy_from_linear_data(skb, inl + 1, skb_headlen(skb));
+			if (skb_headlen(skb) < spc) {
+				memcpy(((void *)(inl + 1)) + skb_headlen(skb),
+					fragptr, spc - skb_headlen(skb));
+				fragptr +=  spc - skb_headlen(skb);
+			}
+			inl = (void *) (inl + 1) + spc;
+			memcpy(((void *)(inl + 1)), fragptr, skb->len - spc);
+		} else {
+			skb_copy_from_linear_data(skb, inl + 1, spc);
+			inl = (void *) (inl + 1) + spc;
+			skb_copy_from_linear_data_offset(skb, spc, inl + 1,
+					skb_headlen(skb) - spc);
+			if (skb_shinfo(skb)->nr_frags)
+				memcpy(((void *)(inl + 1)) + skb_headlen(skb) - spc,
+					fragptr, skb_shinfo(skb)->frags[0].size);
+		}
+
+		wmb();
+		inl->byte_count = cpu_to_be32(1 << 31 | (skb->len - spc));
+	}
+	tx_desc->ctrl.vlan_tag = cpu_to_be16(*vlan_tag);
+	tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!(*vlan_tag);
+	tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f;
+}
+
+static int get_vlan_info(struct mlx4_en_priv *priv, struct sk_buff *skb,
+			 u16 *vlan_tag)
+{
+	int tx_ind;
+
+	/* Obtain VLAN information if present */
+	if (priv->vlgrp && vlan_tx_tag_present(skb)) {
+		*vlan_tag = vlan_tx_tag_get(skb);
+		/* Set the Tx ring to use according to vlan priority */
+		tx_ind = priv->tx_prio_map[*vlan_tag >> 13];
+	} else {
+		*vlan_tag = 0;
+		tx_ind = 0;
+	}
+	return tx_ind;
+}
+
+int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_tx_ring *ring;
+	struct mlx4_en_cq *cq;
+	struct mlx4_en_tx_desc *tx_desc;
+	struct mlx4_wqe_data_seg *data;
+	struct skb_frag_struct *frag;
+	struct mlx4_en_tx_info *tx_info;
+	int tx_ind = 0;
+	int nr_txbb;
+	int desc_size;
+	int real_size;
+	dma_addr_t dma;
+	u32 index;
+	__be32 op_own;
+	u16 vlan_tag;
+	int i;
+	int lso_header_size;
+	void *fragptr;
+
+	if (unlikely(!skb->len)) {
+		dev_kfree_skb_any(skb);
+		return NETDEV_TX_OK;
+	}
+	real_size = get_real_size(skb, dev, &lso_header_size);
+	if (unlikely(!real_size))
+		return NETDEV_TX_OK;
+
+	/* Allign descriptor to TXBB size */
+	desc_size = ALIGN(real_size, TXBB_SIZE);
+	nr_txbb = desc_size / TXBB_SIZE;
+	if (unlikely(nr_txbb > MAX_DESC_TXBBS)) {
+		if (netif_msg_tx_err(priv))
+			mlx4_warn(mdev, "Oversized header or SG list\n");
+		dev_kfree_skb_any(skb);
+		return NETDEV_TX_OK;
+	}
+
+	tx_ind = get_vlan_info(priv, skb, &vlan_tag);
+	ring = &priv->tx_ring[tx_ind];
+
+	/* Check available TXBBs And 2K spare for prefetch */
+	if (unlikely(((int)(ring->prod - ring->cons)) >
+		     ring->size - HEADROOM - MAX_DESC_TXBBS)) {
+		/* every full Tx ring stops queue.
+		 * TODO: implement multi-queue support (per-queue stop) */
+		netif_stop_queue(dev);
+		ring->blocked = 1;
+		priv->port_stats.queue_stopped++;
+
+		/* Use interrupts to find out when queue opened */
+		cq = &priv->tx_cq[tx_ind];
+		mlx4_en_arm_cq(priv, cq);
+		return NETDEV_TX_BUSY;
+	}
+
+	/* Now that we know what Tx ring to use */
+	if (unlikely(!priv->port_up)) {
+		if (netif_msg_tx_err(priv))
+			mlx4_warn(mdev, "xmit: port down!\n");
+		dev_kfree_skb_any(skb);
+		return NETDEV_TX_OK;
+	}
+
+	/* Track current inflight packets for performance analysis */
+	AVG_PERF_COUNTER(priv->pstats.inflight_avg,
+			 (u32) (ring->prod - ring->cons - 1));
+
+	/* Packet is good - grab an index and transmit it */
+	index = ring->prod & ring->size_mask;
+
+	/* See if we have enough space for whole descriptor TXBB for setting
+	 * SW ownership on next descriptor; if not, use a bounce buffer. */
+	if (likely(index + nr_txbb <= ring->size))
+		tx_desc = ring->buf + index * TXBB_SIZE;
+	else
+		tx_desc = (struct mlx4_en_tx_desc *) ring->bounce_buf;
+
+	/* Save skb in tx_info ring */
+	tx_info = &ring->tx_info[index];
+	tx_info->skb = skb;
+	tx_info->nr_txbb = nr_txbb;
+
+	/* Prepare ctrl segement apart opcode+ownership, which depends on
+	 * whether LSO is used */
+	tx_desc->ctrl.vlan_tag = cpu_to_be16(vlan_tag);
+	tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!vlan_tag;
+	tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f;
+	tx_desc->ctrl.srcrb_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE |
+						MLX4_WQE_CTRL_SOLICITED);
+	if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
+		tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM |
+							 MLX4_WQE_CTRL_TCP_UDP_CSUM);
+		priv->port_stats.tx_chksum_offload++;
+	}
+
+	/* Handle LSO (TSO) packets */
+	if (lso_header_size) {
+		/* Mark opcode as LSO */
+		op_own = cpu_to_be32(MLX4_OPCODE_LSO | (1 << 6)) |
+			((ring->prod & ring->size) ?
+				cpu_to_be32(MLX4_EN_BIT_DESC_OWN) : 0);
+
+		/* Fill in the LSO prefix */
+		tx_desc->lso.mss_hdr_size = cpu_to_be32(
+			skb_shinfo(skb)->gso_size << 16 | lso_header_size);
+
+		/* Copy headers;
+		 * note that we already verified that it is linear */
+		memcpy(tx_desc->lso.header, skb->data, lso_header_size);
+		data = ((void *) &tx_desc->lso +
+			ALIGN(lso_header_size + 4, DS_SIZE));
+
+		priv->port_stats.tso_packets++;
+		i = ((skb->len - lso_header_size) / skb_shinfo(skb)->gso_size) +
+			!!((skb->len - lso_header_size) % skb_shinfo(skb)->gso_size);
+		ring->bytes += skb->len + (i - 1) * lso_header_size;
+		ring->packets += i;
+	} else {
+		/* Normal (Non LSO) packet */
+		op_own = cpu_to_be32(MLX4_OPCODE_SEND) |
+			((ring->prod & ring->size) ?
+			 cpu_to_be32(MLX4_EN_BIT_DESC_OWN) : 0);
+		data = &tx_desc->data;
+		ring->bytes += max(skb->len, (unsigned int) ETH_ZLEN);
+		ring->packets++;
+
+	}
+	AVG_PERF_COUNTER(priv->pstats.tx_pktsz_avg, skb->len);
+
+
+	/* valid only for none inline segments */
+	tx_info->data_offset = (void *) data - (void *) tx_desc;
+
+	tx_info->linear = (lso_header_size < skb_headlen(skb) && !is_inline(skb, NULL)) ? 1 : 0;
+	data += skb_shinfo(skb)->nr_frags + tx_info->linear - 1;
+
+	if (!is_inline(skb, &fragptr)) {
+		/* Map fragments */
+		for (i = skb_shinfo(skb)->nr_frags - 1; i >= 0; i--) {
+			frag = &skb_shinfo(skb)->frags[i];
+			dma = pci_map_page(mdev->dev->pdev, frag->page, frag->page_offset,
+					   frag->size, PCI_DMA_TODEVICE);
+			data->addr = cpu_to_be64(dma);
+			data->lkey = cpu_to_be32(mdev->mr.key);
+			wmb();
+			data->byte_count = cpu_to_be32(frag->size);
+			--data;
+		}
+
+		/* Map linear part */
+		if (tx_info->linear) {
+			dma = pci_map_single(mdev->dev->pdev, skb->data + lso_header_size,
+					     skb_headlen(skb) - lso_header_size, PCI_DMA_TODEVICE);
+			data->addr = cpu_to_be64(dma);
+			data->lkey = cpu_to_be32(mdev->mr.key);
+			wmb();
+			data->byte_count = cpu_to_be32(skb_headlen(skb) - lso_header_size);
+		}
+	} else
+		build_inline_wqe(tx_desc, skb, real_size, &vlan_tag, tx_ind, fragptr);
+
+	ring->prod += nr_txbb;
+
+	/* If we used a bounce buffer then copy descriptor back into place */
+	if (tx_desc == (struct mlx4_en_tx_desc *) ring->bounce_buf)
+		tx_desc = mlx4_en_bounce_to_desc(priv, ring, index, desc_size);
+
+	/* Run destructor before passing skb to HW */
+	if (likely(!skb_shared(skb)))
+		skb_orphan(skb);
+
+	/* Ensure new descirptor hits memory
+	 * before setting ownership of this descriptor to HW */
+	wmb();
+	tx_desc->ctrl.owner_opcode = op_own;
+
+	/* Ring doorbell! */
+	wmb();
+	writel(ring->doorbell_qpn, mdev->uar_map + MLX4_SEND_DOORBELL);
+	dev->trans_start = jiffies;
+
+	/* Poll CQ here */
+	mlx4_en_xmit_poll(priv, tx_ind);
+
+	return 0;
+}
+
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
new file mode 100644
index 00000000000..11fb17c6e97
--- /dev/null
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -0,0 +1,561 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifndef _MLX4_EN_H_
+#define _MLX4_EN_H_
+
+#include <linux/compiler.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/netdevice.h>
+#include <linux/inet_lro.h>
+
+#include <linux/mlx4/device.h>
+#include <linux/mlx4/qp.h>
+#include <linux/mlx4/cq.h>
+#include <linux/mlx4/srq.h>
+#include <linux/mlx4/doorbell.h>
+
+#include "en_port.h"
+
+#define DRV_NAME	"mlx4_en"
+#define DRV_VERSION	"1.4.0"
+#define DRV_RELDATE	"Sep 2008"
+
+
+#define MLX4_EN_MSG_LEVEL	(NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
+
+#define mlx4_dbg(mlevel, priv, format, arg...)	\
+	if (NETIF_MSG_##mlevel & priv->msg_enable) \
+	printk(KERN_DEBUG "%s %s: " format , DRV_NAME ,\
+		(&priv->mdev->pdev->dev)->bus_id , ## arg)
+
+#define mlx4_err(mdev, format, arg...) \
+	printk(KERN_ERR "%s %s: " format , DRV_NAME ,\
+		(&mdev->pdev->dev)->bus_id , ## arg)
+#define mlx4_info(mdev, format, arg...) \
+	printk(KERN_INFO "%s %s: " format , DRV_NAME ,\
+		(&mdev->pdev->dev)->bus_id , ## arg)
+#define mlx4_warn(mdev, format, arg...) \
+	printk(KERN_WARNING "%s %s: " format , DRV_NAME ,\
+		(&mdev->pdev->dev)->bus_id , ## arg)
+
+/*
+ * Device constants
+ */
+
+
+#define MLX4_EN_PAGE_SHIFT	12
+#define MLX4_EN_PAGE_SIZE	(1 << MLX4_EN_PAGE_SHIFT)
+#define MAX_TX_RINGS		16
+#define MAX_RX_RINGS		16
+#define MAX_RSS_MAP_SIZE	64
+#define RSS_FACTOR		2
+#define TXBB_SIZE		64
+#define HEADROOM		(2048 / TXBB_SIZE + 1)
+#define MAX_LSO_HDR_SIZE	92
+#define STAMP_STRIDE		64
+#define STAMP_DWORDS		(STAMP_STRIDE / 4)
+#define STAMP_SHIFT		31
+#define STAMP_VAL		0x7fffffff
+#define STATS_DELAY		(HZ / 4)
+
+/* Typical TSO descriptor with 16 gather entries is 352 bytes... */
+#define MAX_DESC_SIZE		512
+#define MAX_DESC_TXBBS		(MAX_DESC_SIZE / TXBB_SIZE)
+
+/*
+ * OS related constants and tunables
+ */
+
+#define MLX4_EN_WATCHDOG_TIMEOUT	(15 * HZ)
+
+#define MLX4_EN_ALLOC_ORDER	2
+#define MLX4_EN_ALLOC_SIZE	(PAGE_SIZE << MLX4_EN_ALLOC_ORDER)
+
+#define MLX4_EN_MAX_LRO_DESCRIPTORS	32
+
+/* Receive fragment sizes; we use at most 4 fragments (for 9600 byte MTU
+ * and 4K allocations) */
+enum {
+	FRAG_SZ0 = 512 - NET_IP_ALIGN,
+	FRAG_SZ1 = 1024,
+	FRAG_SZ2 = 4096,
+	FRAG_SZ3 = MLX4_EN_ALLOC_SIZE
+};
+#define MLX4_EN_MAX_RX_FRAGS	4
+
+/* Minimum ring size for our page-allocation sceme to work */
+#define MLX4_EN_MIN_RX_SIZE	(MLX4_EN_ALLOC_SIZE / SMP_CACHE_BYTES)
+#define MLX4_EN_MIN_TX_SIZE	(4096 / TXBB_SIZE)
+
+#define MLX4_EN_TX_RING_NUM		9
+#define MLX4_EN_DEF_TX_RING_SIZE	1024
+#define MLX4_EN_DEF_RX_RING_SIZE  	1024
+
+/* Target number of bytes to coalesce with interrupt moderation */
+#define MLX4_EN_RX_COAL_TARGET	0x20000
+#define MLX4_EN_RX_COAL_TIME	0x10
+
+#define MLX4_EN_TX_COAL_PKTS	5
+#define MLX4_EN_TX_COAL_TIME	0x80
+
+#define MLX4_EN_RX_RATE_LOW		400000
+#define MLX4_EN_RX_COAL_TIME_LOW	0
+#define MLX4_EN_RX_RATE_HIGH		450000
+#define MLX4_EN_RX_COAL_TIME_HIGH	128
+#define MLX4_EN_RX_SIZE_THRESH		1024
+#define MLX4_EN_RX_RATE_THRESH		(1000000 / MLX4_EN_RX_COAL_TIME_HIGH)
+#define MLX4_EN_SAMPLE_INTERVAL		0
+
+#define MLX4_EN_AUTO_CONF	0xffff
+
+#define MLX4_EN_DEF_RX_PAUSE	1
+#define MLX4_EN_DEF_TX_PAUSE	1
+
+/* Interval between sucessive polls in the Tx routine when polling is used
+   instead of interrupts (in per-core Tx rings) - should be power of 2 */
+#define MLX4_EN_TX_POLL_MODER	16
+#define MLX4_EN_TX_POLL_TIMEOUT	(HZ / 4)
+
+#define ETH_LLC_SNAP_SIZE	8
+
+#define SMALL_PACKET_SIZE      (256 - NET_IP_ALIGN)
+#define HEADER_COPY_SIZE       (128 - NET_IP_ALIGN)
+
+#define MLX4_EN_MIN_MTU		46
+#define ETH_BCAST		0xffffffffffffULL
+
+#ifdef MLX4_EN_PERF_STAT
+/* Number of samples to 'average' */
+#define AVG_SIZE			128
+#define AVG_FACTOR			1024
+#define NUM_PERF_STATS			NUM_PERF_COUNTERS
+
+#define INC_PERF_COUNTER(cnt)		(++(cnt))
+#define ADD_PERF_COUNTER(cnt, add)	((cnt) += (add))
+#define AVG_PERF_COUNTER(cnt, sample) \
+	((cnt) = ((cnt) * (AVG_SIZE - 1) + (sample) * AVG_FACTOR) / AVG_SIZE)
+#define GET_PERF_COUNTER(cnt)		(cnt)
+#define GET_AVG_PERF_COUNTER(cnt)	((cnt) / AVG_FACTOR)
+
+#else
+
+#define NUM_PERF_STATS			0
+#define INC_PERF_COUNTER(cnt)		do {} while (0)
+#define ADD_PERF_COUNTER(cnt, add)	do {} while (0)
+#define AVG_PERF_COUNTER(cnt, sample)	do {} while (0)
+#define GET_PERF_COUNTER(cnt)		(0)
+#define GET_AVG_PERF_COUNTER(cnt)	(0)
+#endif /* MLX4_EN_PERF_STAT */
+
+/*
+ * Configurables
+ */
+
+enum cq_type {
+	RX = 0,
+	TX = 1,
+};
+
+
+/*
+ * Useful macros
+ */
+#define ROUNDUP_LOG2(x)		ilog2(roundup_pow_of_two(x))
+#define XNOR(x, y)		(!(x) == !(y))
+#define ILLEGAL_MAC(addr)	(addr == 0xffffffffffffULL || addr == 0x0)
+
+
+struct mlx4_en_tx_info {
+	struct sk_buff *skb;
+	u32 nr_txbb;
+	u8 linear;
+	u8 data_offset;
+};
+
+
+#define MLX4_EN_BIT_DESC_OWN	0x80000000
+#define CTRL_SIZE	sizeof(struct mlx4_wqe_ctrl_seg)
+#define MLX4_EN_MEMTYPE_PAD	0x100
+#define DS_SIZE		sizeof(struct mlx4_wqe_data_seg)
+
+
+struct mlx4_en_tx_desc {
+	struct mlx4_wqe_ctrl_seg ctrl;
+	union {
+		struct mlx4_wqe_data_seg data; /* at least one data segment */
+		struct mlx4_wqe_lso_seg lso;
+		struct mlx4_wqe_inline_seg inl;
+	};
+};
+
+#define MLX4_EN_USE_SRQ		0x01000000
+
+struct mlx4_en_rx_alloc {
+	struct page *page;
+	u16 offset;
+};
+
+struct mlx4_en_tx_ring {
+	struct mlx4_hwq_resources wqres;
+	u32 size ; /* number of TXBBs */
+	u32 size_mask;
+	u16 stride;
+	u16 cqn;	/* index of port CQ associated with this ring */
+	u32 prod;
+	u32 cons;
+	u32 buf_size;
+	u32 doorbell_qpn;
+	void *buf;
+	u16 poll_cnt;
+	int blocked;
+	struct mlx4_en_tx_info *tx_info;
+	u8 *bounce_buf;
+	u32 last_nr_txbb;
+	struct mlx4_qp qp;
+	struct mlx4_qp_context context;
+	int qpn;
+	enum mlx4_qp_state qp_state;
+	struct mlx4_srq dummy;
+	unsigned long bytes;
+	unsigned long packets;
+	spinlock_t comp_lock;
+};
+
+struct mlx4_en_rx_desc {
+	struct mlx4_wqe_srq_next_seg next;
+	/* actual number of entries depends on rx ring stride */
+	struct mlx4_wqe_data_seg data[0];
+};
+
+struct mlx4_en_rx_ring {
+	struct mlx4_srq srq;
+	struct mlx4_hwq_resources wqres;
+	struct mlx4_en_rx_alloc page_alloc[MLX4_EN_MAX_RX_FRAGS];
+	struct net_lro_mgr lro;
+	u32 size ;	/* number of Rx descs*/
+	u32 actual_size;
+	u32 size_mask;
+	u16 stride;
+	u16 log_stride;
+	u16 cqn;	/* index of port CQ associated with this ring */
+	u32 prod;
+	u32 cons;
+	u32 buf_size;
+	int need_refill;
+	int full;
+	void *buf;
+	void *rx_info;
+	unsigned long bytes;
+	unsigned long packets;
+};
+
+
+static inline int mlx4_en_can_lro(__be16 status)
+{
+	return (status & cpu_to_be16(MLX4_CQE_STATUS_IPV4	|
+				     MLX4_CQE_STATUS_IPV4F	|
+				     MLX4_CQE_STATUS_IPV6	|
+				     MLX4_CQE_STATUS_IPV4OPT	|
+				     MLX4_CQE_STATUS_TCP	|
+				     MLX4_CQE_STATUS_UDP	|
+				     MLX4_CQE_STATUS_IPOK)) ==
+		cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
+			    MLX4_CQE_STATUS_IPOK |
+			    MLX4_CQE_STATUS_TCP);
+}
+
+struct mlx4_en_cq {
+	struct mlx4_cq          mcq;
+	struct mlx4_hwq_resources wqres;
+	int                     ring;
+	spinlock_t              lock;
+	struct net_device      *dev;
+	struct napi_struct	napi;
+	/* Per-core Tx cq processing support */
+	struct timer_list timer;
+	int size;
+	int buf_size;
+	unsigned vector;
+	enum cq_type is_tx;
+	u16 moder_time;
+	u16 moder_cnt;
+	int armed;
+	struct mlx4_cqe *buf;
+#define MLX4_EN_OPCODE_ERROR	0x1e
+};
+
+struct mlx4_en_port_profile {
+	u32 flags;
+	u32 tx_ring_num;
+	u32 rx_ring_num;
+	u32 tx_ring_size;
+	u32 rx_ring_size;
+};
+
+struct mlx4_en_profile {
+	int rss_xor;
+	int num_lro;
+	u8 rss_mask;
+	u32 active_ports;
+	u32 small_pkt_int;
+	int rx_moder_cnt;
+	int rx_moder_time;
+	int auto_moder;
+	u8 rx_pause;
+	u8 rx_ppp;
+	u8 tx_pause;
+	u8 tx_ppp;
+	u8 no_reset;
+	struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1];
+};
+
+struct mlx4_en_dev {
+	struct mlx4_dev         *dev;
+	struct pci_dev		*pdev;
+	struct mutex		state_lock;
+	struct net_device       *pndev[MLX4_MAX_PORTS + 1];
+	u32                     port_cnt;
+	bool			device_up;
+	struct mlx4_en_profile  profile;
+	u32			LSO_support;
+	struct workqueue_struct *workqueue;
+	struct device           *dma_device;
+	void __iomem            *uar_map;
+	struct mlx4_uar         priv_uar;
+	struct mlx4_mr		mr;
+	u32                     priv_pdn;
+	spinlock_t              uar_lock;
+};
+
+
+struct mlx4_en_rss_map {
+	int size;
+	int base_qpn;
+	u16 map[MAX_RSS_MAP_SIZE];
+	struct mlx4_qp qps[MAX_RSS_MAP_SIZE];
+	enum mlx4_qp_state state[MAX_RSS_MAP_SIZE];
+	struct mlx4_qp indir_qp;
+	enum mlx4_qp_state indir_state;
+};
+
+struct mlx4_en_rss_context {
+	__be32 base_qpn;
+	__be32 default_qpn;
+	u16 reserved;
+	u8 hash_fn;
+	u8 flags;
+	__be32 rss_key[10];
+};
+
+struct mlx4_en_pkt_stats {
+	unsigned long broadcast;
+	unsigned long rx_prio[8];
+	unsigned long tx_prio[8];
+#define NUM_PKT_STATS		17
+};
+
+struct mlx4_en_port_stats {
+	unsigned long lro_aggregated;
+	unsigned long lro_flushed;
+	unsigned long lro_no_desc;
+	unsigned long tso_packets;
+	unsigned long queue_stopped;
+	unsigned long wake_queue;
+	unsigned long tx_timeout;
+	unsigned long rx_alloc_failed;
+	unsigned long rx_chksum_good;
+	unsigned long rx_chksum_none;
+	unsigned long tx_chksum_offload;
+#define NUM_PORT_STATS		11
+};
+
+struct mlx4_en_perf_stats {
+	u32 tx_poll;
+	u64 tx_pktsz_avg;
+	u32 inflight_avg;
+	u16 tx_coal_avg;
+	u16 rx_coal_avg;
+	u32 napi_quota;
+#define NUM_PERF_COUNTERS		6
+};
+
+struct mlx4_en_frag_info {
+	u16 frag_size;
+	u16 frag_prefix_size;
+	u16 frag_stride;
+	u16 frag_align;
+	u16 last_offset;
+
+};
+
+struct mlx4_en_priv {
+	struct mlx4_en_dev *mdev;
+	struct mlx4_en_port_profile *prof;
+	struct net_device *dev;
+	struct vlan_group *vlgrp;
+	struct net_device_stats stats;
+	struct net_device_stats ret_stats;
+	spinlock_t stats_lock;
+
+	unsigned long last_moder_packets;
+	unsigned long last_moder_tx_packets;
+	unsigned long last_moder_bytes;
+	unsigned long last_moder_jiffies;
+	int last_moder_time;
+	u16 rx_usecs;
+	u16 rx_frames;
+	u16 tx_usecs;
+	u16 tx_frames;
+	u32 pkt_rate_low;
+	u16 rx_usecs_low;
+	u32 pkt_rate_high;
+	u16 rx_usecs_high;
+	u16 sample_interval;
+	u16 adaptive_rx_coal;
+	u32 msg_enable;
+
+	struct mlx4_hwq_resources res;
+	int link_state;
+	int last_link_state;
+	bool port_up;
+	int port;
+	int registered;
+	int allocated;
+	int stride;
+	int rx_csum;
+	u64 mac;
+	int mac_index;
+	unsigned max_mtu;
+	int base_qpn;
+
+	struct mlx4_en_rss_map rss_map;
+	u16 tx_prio_map[8];
+	u32 flags;
+#define MLX4_EN_FLAG_PROMISC	0x1
+	u32 tx_ring_num;
+	u32 rx_ring_num;
+	u32 rx_skb_size;
+	struct mlx4_en_frag_info frag_info[MLX4_EN_MAX_RX_FRAGS];
+	u16 num_frags;
+	u16 log_rx_info;
+
+	struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS];
+	struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
+	struct mlx4_en_cq tx_cq[MAX_TX_RINGS];
+	struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
+	struct work_struct mcast_task;
+	struct work_struct mac_task;
+	struct delayed_work refill_task;
+	struct work_struct watchdog_task;
+	struct work_struct linkstate_task;
+	struct delayed_work stats_task;
+	struct mlx4_en_perf_stats pstats;
+	struct mlx4_en_pkt_stats pkstats;
+	struct mlx4_en_port_stats port_stats;
+	struct dev_mc_list *mc_list;
+	struct mlx4_en_stat_out_mbox hw_stats;
+};
+
+
+void mlx4_en_destroy_netdev(struct net_device *dev);
+int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
+			struct mlx4_en_port_profile *prof);
+
+int mlx4_en_get_profile(struct mlx4_en_dev *mdev);
+
+int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
+		      int entries, int ring, enum cq_type mode);
+void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
+int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
+void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
+int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
+int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
+
+void mlx4_en_poll_tx_cq(unsigned long data);
+void mlx4_en_tx_irq(struct mlx4_cq *mcq);
+int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
+
+int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring,
+			   u32 size, u16 stride);
+void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring);
+int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
+			     struct mlx4_en_tx_ring *ring,
+			     int cq, int srqn);
+void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
+				struct mlx4_en_tx_ring *ring);
+
+int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
+			   struct mlx4_en_rx_ring *ring,
+			   u32 size, u16 stride);
+void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
+			     struct mlx4_en_rx_ring *ring);
+int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
+void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
+				struct mlx4_en_rx_ring *ring);
+int mlx4_en_process_rx_cq(struct net_device *dev,
+			  struct mlx4_en_cq *cq,
+			  int budget);
+int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
+void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
+			     int is_tx, int rss, int qpn, int cqn, int srqn,
+			     struct mlx4_qp_context *context);
+int mlx4_en_map_buffer(struct mlx4_buf *buf);
+void mlx4_en_unmap_buffer(struct mlx4_buf *buf);
+
+void mlx4_en_calc_rx_buf(struct net_device *dev);
+void mlx4_en_set_default_rss_map(struct mlx4_en_priv *priv,
+				 struct mlx4_en_rss_map *rss_map,
+				 int num_entries, int num_rings);
+void mlx4_en_set_prio_map(struct mlx4_en_priv *priv, u16 *prio_map, u32 ring_num);
+int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
+void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
+int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring);
+void mlx4_en_rx_refill(struct work_struct *work);
+void mlx4_en_rx_irq(struct mlx4_cq *mcq);
+
+int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
+int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, u8 port, struct vlan_group *grp);
+int mlx4_SET_PORT_general(struct mlx4_dev *dev, u8 port, int mtu,
+			  u8 pptx, u8 pfctx, u8 pprx, u8 pfcrx);
+int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
+			   u8 promisc);
+
+int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset);
+
+/*
+ * Globals
+ */
+extern const struct ethtool_ops mlx4_en_ethtool_ops;
+#endif
-- 
GitLab


From 57893d1cff4606915c13a4610d4e2d6048633f8e Mon Sep 17 00:00:00 2001
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Date: Wed, 22 Oct 2008 15:48:03 -0700
Subject: [PATCH 1931/2224] mlx4_core: Add Ethernet PCI device IDs

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/net/mlx4/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index c1d447873bf..468921b8f4b 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -1195,6 +1195,8 @@ static struct pci_device_id mlx4_pci_table[] = {
 	{ PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */
 	{ PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */
 	{ PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */
+	{ PCI_VDEVICE(MELLANOX, 0x6368) }, /* MT25408 "Hermon" EN 10GigE */
+	{ PCI_VDEVICE(MELLANOX, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */
 	{ 0, }
 };
 
-- 
GitLab


From 70c9c0db549245a49cabf42d5a74688077254d46 Mon Sep 17 00:00:00 2001
From: Or Gerlitz <ogerlitz@voltaire.com>
Date: Wed, 22 Oct 2008 15:49:29 -0700
Subject: [PATCH 1932/2224] IPoIB: Clean up ethtool support

Add a get_rx_csum method.  Remove the driver's own get_tso method, as
the ethtool kernel code uses the default one if nothing is provided.

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/ulp/ipoib/ipoib_ethtool.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 66af5c1a76e..e9795f60e5d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -42,6 +42,13 @@ static void ipoib_get_drvinfo(struct net_device *netdev,
 	strncpy(drvinfo->driver, "ipoib", sizeof(drvinfo->driver) - 1);
 }
 
+static u32 ipoib_get_rx_csum(struct net_device *dev)
+{
+	struct ipoib_dev_priv *priv = netdev_priv(dev);
+	return test_bit(IPOIB_FLAG_CSUM, &priv->flags) &&
+		!test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
+}
+
 static int ipoib_get_coalesce(struct net_device *dev,
 			      struct ethtool_coalesce *coal)
 {
@@ -129,7 +136,7 @@ static void ipoib_get_ethtool_stats(struct net_device *dev,
 
 static const struct ethtool_ops ipoib_ethtool_ops = {
 	.get_drvinfo		= ipoib_get_drvinfo,
-	.get_tso		= ethtool_op_get_tso,
+	.get_rx_csum		= ipoib_get_rx_csum,
 	.get_coalesce		= ipoib_get_coalesce,
 	.set_coalesce		= ipoib_set_coalesce,
 	.get_flags		= ethtool_op_get_flags,
-- 
GitLab


From 83bb63f62bda28be88b21216fbb59838a10f2348 Mon Sep 17 00:00:00 2001
From: Or Gerlitz <ogerlitz@voltaire.com>
Date: Wed, 22 Oct 2008 15:49:49 -0700
Subject: [PATCH 1933/2224] IPoIB: Set netdev offload features properly for
 child (VLAN) interfaces

Child devices were created without any offload features set, fix this by
moving the code that computes the features into generic function which is
now called through non-child and child device creation.

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>

-- v1 has a bug where the 'result' flag in ipoib_vlan_add may be used uninitialized
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/ulp/ipoib/ipoib.h      |  1 +
 drivers/infiniband/ulp/ipoib/ipoib_main.c | 67 +++++++++++++----------
 drivers/infiniband/ulp/ipoib/ipoib_vlan.c |  4 ++
 3 files changed, 44 insertions(+), 28 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 68ba5c3482e..e0c7dfabf2b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -507,6 +507,7 @@ int ipoib_pkey_dev_delay_open(struct net_device *dev);
 void ipoib_drain_cq(struct net_device *dev);
 
 void ipoib_set_ethtool_ops(struct net_device *dev);
+int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca);
 
 #ifdef CONFIG_INFINIBAND_IPOIB_CM
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index c0ee514396d..fddded7900d 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1173,11 +1173,48 @@ int ipoib_add_pkey_attr(struct net_device *dev)
 	return device_create_file(&dev->dev, &dev_attr_pkey);
 }
 
+int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca)
+{
+	struct ib_device_attr *device_attr;
+	int result = -ENOMEM;
+
+	device_attr = kmalloc(sizeof *device_attr, GFP_KERNEL);
+	if (!device_attr) {
+		printk(KERN_WARNING "%s: allocation of %zu bytes failed\n",
+		       hca->name, sizeof *device_attr);
+		return result;
+	}
+
+	result = ib_query_device(hca, device_attr);
+	if (result) {
+		printk(KERN_WARNING "%s: ib_query_device failed (ret = %d)\n",
+		       hca->name, result);
+		kfree(device_attr);
+		return result;
+	}
+	priv->hca_caps = device_attr->device_cap_flags;
+
+	kfree(device_attr);
+
+	if (priv->hca_caps & IB_DEVICE_UD_IP_CSUM) {
+		set_bit(IPOIB_FLAG_CSUM, &priv->flags);
+		priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+	}
+
+	if (lro)
+		priv->dev->features |= NETIF_F_LRO;
+
+	if (priv->dev->features & NETIF_F_SG && priv->hca_caps & IB_DEVICE_UD_TSO)
+		priv->dev->features |= NETIF_F_TSO;
+
+	return 0;
+}
+
+
 static struct net_device *ipoib_add_port(const char *format,
 					 struct ib_device *hca, u8 port)
 {
 	struct ipoib_dev_priv *priv;
-	struct ib_device_attr *device_attr;
 	struct ib_port_attr attr;
 	int result = -ENOMEM;
 
@@ -1206,31 +1243,8 @@ static struct net_device *ipoib_add_port(const char *format,
 		goto device_init_failed;
 	}
 
-	device_attr = kmalloc(sizeof *device_attr, GFP_KERNEL);
-	if (!device_attr) {
-		printk(KERN_WARNING "%s: allocation of %zu bytes failed\n",
-		       hca->name, sizeof *device_attr);
+	if (ipoib_set_dev_features(priv, hca))
 		goto device_init_failed;
-	}
-
-	result = ib_query_device(hca, device_attr);
-	if (result) {
-		printk(KERN_WARNING "%s: ib_query_device failed (ret = %d)\n",
-		       hca->name, result);
-		kfree(device_attr);
-		goto device_init_failed;
-	}
-	priv->hca_caps = device_attr->device_cap_flags;
-
-	kfree(device_attr);
-
-	if (priv->hca_caps & IB_DEVICE_UD_IP_CSUM) {
-		set_bit(IPOIB_FLAG_CSUM, &priv->flags);
-		priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
-	}
-
-	if (lro)
-		priv->dev->features |= NETIF_F_LRO;
 
 	/*
 	 * Set the full membership bit, so that we join the right
@@ -1266,9 +1280,6 @@ static struct net_device *ipoib_add_port(const char *format,
 		goto event_failed;
 	}
 
-	if (priv->dev->features & NETIF_F_SG && priv->hca_caps & IB_DEVICE_UD_TSO)
-		priv->dev->features |= NETIF_F_TSO;
-
 	result = register_netdev(priv->dev);
 	if (result) {
 		printk(KERN_WARNING "%s: couldn't register ipoib port %d; error %d\n",
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
index b08eb56196d..2cf1a408871 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c
@@ -93,6 +93,10 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey)
 	priv->mcast_mtu  = priv->admin_mtu = priv->dev->mtu;
 	set_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags);
 
+	result = ipoib_set_dev_features(priv, ppriv->ca);
+	if (result)
+		goto device_init_failed;
+
 	priv->pkey = pkey;
 
 	memcpy(priv->dev->dev_addr, ppriv->dev->dev_addr, INFINIBAND_ALEN);
-- 
GitLab


From 19f4282149147b4a3e8c670373dc73ddd5d5facc Mon Sep 17 00:00:00 2001
From: Stefan Roscher <ossrosch@linux.vnet.ibm.com>
Date: Wed, 22 Oct 2008 15:52:31 -0700
Subject: [PATCH 1934/2224] IB/ehca: Fix reported max number of QPs and CQs in
 systems with >1 adapter

Because ehca adapters can differ in the maximum number of QPs and CQs
we have to save the maximum number of these ressources per adapter and
not globally per ehca driver. This fix introduces 2 new members to the
shca structure to store the maximum value for QPs and CQs per adapter.

The module parameters are now used as initial values for those
variables.  If a user selects an invalid number of CQs or QPs we don't
print an error any longer, instead we will inform the user with a
warning and set the values to the respective maximum supported by the
HW.

Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/ehca/ehca_classes.h |  2 ++
 drivers/infiniband/hw/ehca/ehca_cq.c      |  4 +--
 drivers/infiniband/hw/ehca/ehca_main.c    | 35 +++++++++++++----------
 drivers/infiniband/hw/ehca/ehca_qp.c      |  4 +--
 4 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 5d7b7855afb..4df887af66a 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -128,6 +128,8 @@ struct ehca_shca {
 	/* MR pgsize: bit 0-3 means 4K, 64K, 1M, 16M respectively */
 	u32 hca_cap_mr_pgsize;
 	int max_mtu;
+	int max_num_qps;
+	int max_num_cqs;
 	atomic_t num_cqs;
 	atomic_t num_qps;
 };
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 33647a95eb9..2f4c28a3027 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -132,9 +132,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
 	if (cqe >= 0xFFFFFFFF - 64 - additional_cqe)
 		return ERR_PTR(-EINVAL);
 
-	if (!atomic_add_unless(&shca->num_cqs, 1, ehca_max_cq)) {
+	if (!atomic_add_unless(&shca->num_cqs, 1, shca->max_num_cqs)) {
 		ehca_err(device, "Unable to create CQ, max number of %i "
-			"CQs reached.", ehca_max_cq);
+			"CQs reached.", shca->max_num_cqs);
 		ehca_err(device, "To increase the maximum number of CQs "
 			"use the number_of_cqs module parameter.\n");
 		return ERR_PTR(-ENOSPC);
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 598844d2edc..086959a0cbe 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -366,22 +366,23 @@ static int ehca_sense_attributes(struct ehca_shca *shca)
 			shca->hca_cap_mr_pgsize |= pgsize_map[i + 1];
 
 	/* Set maximum number of CQs and QPs to calculate EQ size */
-	if (ehca_max_qp == -1)
-		ehca_max_qp = min_t(int, rblock->max_qp, EHCA_MAX_NUM_QUEUES);
-	else if (ehca_max_qp < 1 || ehca_max_qp > rblock->max_qp) {
-		ehca_gen_err("Requested number of QPs is out of range (1 - %i) "
-			"specified by HW", rblock->max_qp);
-		ret = -EINVAL;
-		goto sense_attributes1;
+	if (shca->max_num_qps == -1)
+		shca->max_num_qps = min_t(int, rblock->max_qp,
+					  EHCA_MAX_NUM_QUEUES);
+	else if (shca->max_num_qps < 1 || shca->max_num_qps > rblock->max_qp) {
+		ehca_gen_warn("The requested number of QPs is out of range "
+			      "(1 - %i) specified by HW. Value is set to %i",
+			      rblock->max_qp, rblock->max_qp);
+		shca->max_num_qps = rblock->max_qp;
 	}
 
-	if (ehca_max_cq == -1)
-		ehca_max_cq = min_t(int, rblock->max_cq, EHCA_MAX_NUM_QUEUES);
-	else if (ehca_max_cq < 1 || ehca_max_cq > rblock->max_cq) {
-		ehca_gen_err("Requested number of CQs is out of range (1 - %i) "
-			"specified by HW", rblock->max_cq);
-		ret = -EINVAL;
-		goto sense_attributes1;
+	if (shca->max_num_cqs == -1)
+		shca->max_num_cqs = min_t(int, rblock->max_cq,
+					  EHCA_MAX_NUM_QUEUES);
+	else if (shca->max_num_cqs < 1 || shca->max_num_cqs > rblock->max_cq) {
+		ehca_gen_warn("The requested number of CQs is out of range "
+			      "(1 - %i) specified by HW. Value is set to %i",
+			      rblock->max_cq, rblock->max_cq);
 	}
 
 	/* query max MTU from first port -- it's the same for all ports */
@@ -733,9 +734,13 @@ static int __devinit ehca_probe(struct of_device *dev,
 		ehca_gen_err("Cannot allocate shca memory.");
 		return -ENOMEM;
 	}
+
 	mutex_init(&shca->modify_mutex);
 	atomic_set(&shca->num_cqs, 0);
 	atomic_set(&shca->num_qps, 0);
+	shca->max_num_qps = ehca_max_qp;
+	shca->max_num_cqs = ehca_max_cq;
+
 	for (i = 0; i < ARRAY_SIZE(shca->sport); i++)
 		spin_lock_init(&shca->sport[i].mod_sqp_lock);
 
@@ -755,7 +760,7 @@ static int __devinit ehca_probe(struct of_device *dev,
 		goto probe1;
 	}
 
-	eq_size = 2 * ehca_max_cq + 4 * ehca_max_qp;
+	eq_size = 2 * shca->max_num_cqs + 4 * shca->max_num_qps;
 	/* create event queues */
 	ret = ehca_create_eq(shca, &shca->eq, EHCA_EQ, eq_size);
 	if (ret) {
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 40b578d601c..4d54b9f6456 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -465,9 +465,9 @@ static struct ehca_qp *internal_create_qp(
 	u32 swqe_size = 0, rwqe_size = 0, ib_qp_num;
 	unsigned long flags;
 
-	if (!atomic_add_unless(&shca->num_qps, 1, ehca_max_qp)) {
+	if (!atomic_add_unless(&shca->num_qps, 1, shca->max_num_qps)) {
 		ehca_err(pd->device, "Unable to create QP, max number of %i "
-			 "QPs reached.", ehca_max_qp);
+			 "QPs reached.", shca->max_num_qps);
 		ehca_err(pd->device, "To increase the maximum number of QPs "
 			 "use the number_of_qps module parameter.\n");
 		return ERR_PTR(-ENOSPC);
-- 
GitLab


From 263c24a2bbbaca75805ed231e8346d86410af9d0 Mon Sep 17 00:00:00 2001
From: Stefan Roscher <ossrosch@linux.vnet.ibm.com>
Date: Wed, 22 Oct 2008 15:54:38 -0700
Subject: [PATCH 1935/2224] IB/ehca: Reject dynamic memory add/remove when ehca
 adapter is present

Since the ehca device driver does not support dynamic memory add and
remove operations, the driver must explicitly reject such requests in
order to prevent unpredictable behaviors related to existing memory
regions that cover all of memory being used by InfiniBand protocols in
the kernel.

The solution (for now at least) is to add a memory notifier to the
ehca device driver and if a request for dynamic memory add or remove
comes in, ehca will always reject it.  The user can add or remove
memory by hot-removing the ehca adapter, performing the memory
operation, and then hot-adding the ehca adapter back.

Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
 drivers/infiniband/hw/ehca/ehca_main.c | 48 ++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 086959a0cbe..bb02a86aa52 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -44,6 +44,8 @@
 #include <linux/slab.h>
 #endif
 
+#include <linux/notifier.h>
+#include <linux/memory.h>
 #include "ehca_classes.h"
 #include "ehca_iverbs.h"
 #include "ehca_mrmw.h"
@@ -969,6 +971,41 @@ void ehca_poll_eqs(unsigned long data)
 	spin_unlock(&shca_list_lock);
 }
 
+static int ehca_mem_notifier(struct notifier_block *nb,
+			     unsigned long action, void *data)
+{
+	static unsigned long ehca_dmem_warn_time;
+
+	switch (action) {
+	case MEM_CANCEL_OFFLINE:
+	case MEM_CANCEL_ONLINE:
+	case MEM_ONLINE:
+	case MEM_OFFLINE:
+		return NOTIFY_OK;
+	case MEM_GOING_ONLINE:
+	case MEM_GOING_OFFLINE:
+		/* only ok if no hca is attached to the lpar */
+		spin_lock(&shca_list_lock);
+		if (list_empty(&shca_list)) {
+			spin_unlock(&shca_list_lock);
+			return NOTIFY_OK;
+		} else {
+			spin_unlock(&shca_list_lock);
+			if (printk_timed_ratelimit(&ehca_dmem_warn_time,
+						   30 * 1000))
+				ehca_gen_err("DMEM operations are not allowed"
+					     "as long as an ehca adapter is"
+					     "attached to the LPAR");
+			return NOTIFY_BAD;
+		}
+	}
+	return NOTIFY_OK;
+}
+
+static struct notifier_block ehca_mem_nb = {
+	.notifier_call = ehca_mem_notifier,
+};
+
 static int __init ehca_module_init(void)
 {
 	int ret;
@@ -996,6 +1033,12 @@ static int __init ehca_module_init(void)
 		goto module_init2;
 	}
 
+	ret = register_memory_notifier(&ehca_mem_nb);
+	if (ret) {
+		ehca_gen_err("Failed registering memory add/remove notifier");
+		goto module_init3;
+	}
+
 	if (ehca_poll_all_eqs != 1) {
 		ehca_gen_err("WARNING!!!");
 		ehca_gen_err("It is possible to lose interrupts.");
@@ -1008,6 +1051,9 @@ static int __init ehca_module_init(void)
 
 	return 0;
 
+module_init3:
+	ibmebus_unregister_driver(&ehca_driver);
+
 module_init2:
 	ehca_destroy_slab_caches();
 
@@ -1023,6 +1069,8 @@ static void __exit ehca_module_exit(void)
 
 	ibmebus_unregister_driver(&ehca_driver);
 
+	unregister_memory_notifier(&ehca_mem_nb);
+
 	ehca_destroy_slab_caches();
 
 	ehca_destroy_comp_pool();
-- 
GitLab


From 9778c14b4ca2c81e437fc2fd2b1f3d676937db27 Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Fri, 17 Oct 2008 13:48:36 +0900
Subject: [PATCH 1936/2224] ACPI/PCI: Fix possible race condition on _OSC
 evaluation

Fix possible race condition on _OSC evaluation.

Current _OSC evaluation code has possible race condition because it
maniputes osc_data linked list or its contents without any lock
mechanism.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci-acpi.c | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 89a2f0fa10f..14848bf95e8 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -35,6 +35,8 @@ struct acpi_osc_args {
 	u32 query_result;
 };
 
+static DEFINE_MUTEX(pci_acpi_lock);
+
 static struct acpi_osc_data *acpi_get_osc_data(acpi_handle handle)
 {
 	struct acpi_osc_data *data;
@@ -131,10 +133,12 @@ static acpi_status acpi_query_osc(acpi_handle handle,
 	if (ACPI_FAILURE(status))
 		return status;
 
+	mutex_lock(&pci_acpi_lock);
 	osc_data = acpi_get_osc_data(handle);
 	if (!osc_data) {
 		printk(KERN_ERR "acpi osc data array is full\n");
-		return AE_ERROR;
+		status = AE_ERROR;
+		goto out;
 	}
 
 	/* do _OSC query for all possible controls */
@@ -149,7 +153,8 @@ static acpi_status acpi_query_osc(acpi_handle handle,
 		osc_data->query_result = osc_args.query_result;
 		osc_data->is_queried = 1;
 	}
-
+out:
+	mutex_unlock(&pci_acpi_lock);
 	return status;
 }
 
@@ -190,19 +195,25 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 	if (ACPI_FAILURE(status))
 		return status;
 
+	mutex_lock(&pci_acpi_lock);
 	osc_data = acpi_get_osc_data(handle);
 	if (!osc_data) {
 		printk(KERN_ERR "acpi osc data array is full\n");
-		return AE_ERROR;
+		status = AE_ERROR;
+		goto out;
 	}
 
 	ctrlset = (flags & OSC_CONTROL_MASKS);
-	if (!ctrlset)
-		return AE_TYPE;
+	if (!ctrlset) {
+		status = AE_TYPE;
+		goto out;
+	}
 
 	if (osc_data->is_queried &&
-	    ((osc_data->query_result & ctrlset) != ctrlset))
-		return AE_SUPPORT;
+	    ((osc_data->query_result & ctrlset) != ctrlset)) {
+		status = AE_SUPPORT;
+		goto out;
+	}
 
 	control_set = osc_data->control_set | ctrlset;
 	osc_args.capbuf[OSC_QUERY_TYPE] = 0;
@@ -211,7 +222,8 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 	status = acpi_run_osc(handle, &osc_args);
 	if (ACPI_SUCCESS(status))
 		osc_data->control_set = control_set;
-
+out:
+	mutex_unlock(&pci_acpi_lock);
 	return status;
 }
 EXPORT_SYMBOL(pci_osc_control_set);
-- 
GitLab


From 4e39432f4df544d3dfe4fc90a22d87de64d15815 Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Fri, 17 Oct 2008 13:49:46 +0900
Subject: [PATCH 1937/2224] ACPI/PCI: Change pci_osc_control_set() to query
 control bits first

Current pci_osc_control_set() evaluates _OSC without query for control
bits, unless __pci_osc_support_set() is called beforehand. But as
strongly recommended in PCI firmware specification, it should query
control bits first.

This patch changes pci_osc_control_set() to query control bits first
even if __pci_osc_support_set() is not called beforehand.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci-acpi.c | 47 ++++++++++++++++++++++++++++--------------
 1 file changed, 31 insertions(+), 16 deletions(-)

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 14848bf95e8..7d33fc0ec2f 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -120,14 +120,35 @@ out_kfree:
 	return status;
 }
 
+static acpi_status __acpi_query_osc(u32 flags, struct acpi_osc_data *osc_data)
+{
+	acpi_status status;
+	u32 support_set;
+	struct acpi_osc_args osc_args;
+
+	/* do _OSC query for all possible controls */
+	support_set = osc_data->support_set | (flags & OSC_SUPPORT_MASKS);
+	osc_args.capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
+	osc_args.capbuf[OSC_SUPPORT_TYPE] = support_set;
+	osc_args.capbuf[OSC_CONTROL_TYPE] = OSC_CONTROL_MASKS;
+
+	status = acpi_run_osc(osc_data->handle, &osc_args);
+	if (ACPI_SUCCESS(status)) {
+		osc_data->support_set = support_set;
+		osc_data->query_result = osc_args.query_result;
+		osc_data->is_queried = 1;
+	}
+
+	return status;
+}
+
 static acpi_status acpi_query_osc(acpi_handle handle,
 				  u32 level, void *context, void **retval)
 {
 	acpi_status status;
 	struct acpi_osc_data *osc_data;
-	u32 flags = (unsigned long)context, support_set;
+	u32 flags = (unsigned long)context;
 	acpi_handle tmp;
-	struct acpi_osc_args osc_args;
 
 	status = acpi_get_handle(handle, "_OSC", &tmp);
 	if (ACPI_FAILURE(status))
@@ -141,18 +162,7 @@ static acpi_status acpi_query_osc(acpi_handle handle,
 		goto out;
 	}
 
-	/* do _OSC query for all possible controls */
-	support_set = osc_data->support_set | (flags & OSC_SUPPORT_MASKS);
-	osc_args.capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
-	osc_args.capbuf[OSC_SUPPORT_TYPE] = support_set;
-	osc_args.capbuf[OSC_CONTROL_TYPE] = OSC_CONTROL_MASKS;
-
-	status = acpi_run_osc(handle, &osc_args);
-	if (ACPI_SUCCESS(status)) {
-		osc_data->support_set = support_set;
-		osc_data->query_result = osc_args.query_result;
-		osc_data->is_queried = 1;
-	}
+	status = __acpi_query_osc(flags, osc_data);
 out:
 	mutex_unlock(&pci_acpi_lock);
 	return status;
@@ -209,8 +219,13 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 		goto out;
 	}
 
-	if (osc_data->is_queried &&
-	    ((osc_data->query_result & ctrlset) != ctrlset)) {
+	if (!osc_data->is_queried) {
+		status = __acpi_query_osc(osc_data->support_set, osc_data);
+		if (ACPI_FAILURE(status))
+			goto out;
+	}
+
+	if ((osc_data->query_result & ctrlset) != ctrlset) {
 		status = AE_SUPPORT;
 		goto out;
 	}
-- 
GitLab


From adf411b819adc9fa96e9b3e638c7480d5e71d270 Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Fri, 17 Oct 2008 13:51:00 +0900
Subject: [PATCH 1938/2224] ACPI/PCI: Always query _OSC control field in
 pci_osc_control_set()

In current pci_osc_control_set() implementation, once the _OSC control
field is queried, it is never queried again. But the query result can
change depending on the _OSC support field. For example, if PCI Express
Native Hot Plug control depends on ASPM support on a certain platform, a
PCI Express Native Hot Plug Control query would fail before the ASPM
driver was loaded, but it would succeed if the ASPM driver was loaded
first.  Therefore, pci_osc_control_set() should query the _OSC control
field every time.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci-acpi.c | 31 +++++++++++++------------------
 1 file changed, 13 insertions(+), 18 deletions(-)

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 7d33fc0ec2f..981919d163a 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -24,15 +24,13 @@ struct acpi_osc_data {
 	acpi_handle handle;
 	u32 support_set;
 	u32 control_set;
-	int is_queried;
-	u32 query_result;
 	struct list_head sibiling;
 };
 static LIST_HEAD(acpi_osc_data_list);
 
 struct acpi_osc_args {
 	u32 capbuf[3];
-	u32 query_result;
+	u32 ctrl_result;
 };
 
 static DEFINE_MUTEX(pci_acpi_lock);
@@ -110,9 +108,8 @@ static acpi_status acpi_run_osc(acpi_handle handle,
 		goto out_kfree;
 	}
 out_success:
-	if (flags & OSC_QUERY_ENABLE)
-		osc_args->query_result =
-			*((u32 *)(out_obj->buffer.pointer + 8));
+	osc_args->ctrl_result =
+		*((u32 *)(out_obj->buffer.pointer + 8));
 	status = AE_OK;
 
 out_kfree:
@@ -120,7 +117,8 @@ out_kfree:
 	return status;
 }
 
-static acpi_status __acpi_query_osc(u32 flags, struct acpi_osc_data *osc_data)
+static acpi_status __acpi_query_osc(u32 flags, struct acpi_osc_data *osc_data,
+				    u32 *result)
 {
 	acpi_status status;
 	u32 support_set;
@@ -135,8 +133,7 @@ static acpi_status __acpi_query_osc(u32 flags, struct acpi_osc_data *osc_data)
 	status = acpi_run_osc(osc_data->handle, &osc_args);
 	if (ACPI_SUCCESS(status)) {
 		osc_data->support_set = support_set;
-		osc_data->query_result = osc_args.query_result;
-		osc_data->is_queried = 1;
+		*result = osc_args.ctrl_result;
 	}
 
 	return status;
@@ -147,7 +144,7 @@ static acpi_status acpi_query_osc(acpi_handle handle,
 {
 	acpi_status status;
 	struct acpi_osc_data *osc_data;
-	u32 flags = (unsigned long)context;
+	u32 flags = (unsigned long)context, dummy;
 	acpi_handle tmp;
 
 	status = acpi_get_handle(handle, "_OSC", &tmp);
@@ -162,7 +159,7 @@ static acpi_status acpi_query_osc(acpi_handle handle,
 		goto out;
 	}
 
-	status = __acpi_query_osc(flags, osc_data);
+	status = __acpi_query_osc(flags, osc_data, &dummy);
 out:
 	mutex_unlock(&pci_acpi_lock);
 	return status;
@@ -196,7 +193,7 @@ acpi_status __pci_osc_support_set(u32 flags, const char *hid)
 acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 {
 	acpi_status status;
-	u32 ctrlset, control_set;
+	u32 ctrlset, control_set, result;
 	acpi_handle tmp;
 	struct acpi_osc_data *osc_data;
 	struct acpi_osc_args osc_args;
@@ -219,13 +216,11 @@ acpi_status pci_osc_control_set(acpi_handle handle, u32 flags)
 		goto out;
 	}
 
-	if (!osc_data->is_queried) {
-		status = __acpi_query_osc(osc_data->support_set, osc_data);
-		if (ACPI_FAILURE(status))
-			goto out;
-	}
+	status = __acpi_query_osc(osc_data->support_set, osc_data, &result);
+	if (ACPI_FAILURE(status))
+		goto out;
 
-	if ((osc_data->query_result & ctrlset) != ctrlset) {
+	if ((result & ctrlset) != ctrlset) {
 		status = AE_SUPPORT;
 		goto out;
 	}
-- 
GitLab


From ab20440c376ff0454cb93904a888212d874fbb6b Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Fri, 17 Oct 2008 13:51:53 +0900
Subject: [PATCH 1939/2224] ACPI/PCI: Fix return value of acpi_cuery_osc()

If acpi_query_osc() returns other than AE_OK, __pci_osc_support_set()
stops scanning ACPI objects to evaluate _OSC. This prevents subsequent
_OSCs from being evaluated if some of root bridge doesn't have _OSC, for
example. So acpi_query_osc() should return always AE_OK to evaluate all
_OSC.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci-acpi.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 981919d163a..dfe7c8e1b18 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -149,20 +149,19 @@ static acpi_status acpi_query_osc(acpi_handle handle,
 
 	status = acpi_get_handle(handle, "_OSC", &tmp);
 	if (ACPI_FAILURE(status))
-		return status;
+		return AE_OK;
 
 	mutex_lock(&pci_acpi_lock);
 	osc_data = acpi_get_osc_data(handle);
 	if (!osc_data) {
 		printk(KERN_ERR "acpi osc data array is full\n");
-		status = AE_ERROR;
 		goto out;
 	}
 
-	status = __acpi_query_osc(flags, osc_data, &dummy);
+	__acpi_query_osc(flags, osc_data, &dummy);
 out:
 	mutex_unlock(&pci_acpi_lock);
-	return status;
+	return AE_OK;
 }
 
 /**
-- 
GitLab


From d389fec6a2aec1ea7d47833f36a0413a619c8c12 Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Fri, 17 Oct 2008 13:52:51 +0900
Subject: [PATCH 1940/2224] ACPI/PCI: Set support bit for MSI in support field
 of _OSC

Currently linux doesn't have any code to set the "MSI supported" bit in
Support Fireld of _OSC. This patch adds the code for that.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/msi.c | 21 +++++++++++++++++++++
 drivers/pci/pci.c |  3 +++
 drivers/pci/pci.h |  2 ++
 3 files changed, 26 insertions(+)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index d2812013fd2..74801f7df9c 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -759,3 +759,24 @@ void pci_msi_init_pci_dev(struct pci_dev *dev)
 {
 	INIT_LIST_HEAD(&dev->msi_list);
 }
+
+#ifdef CONFIG_ACPI
+#include <linux/acpi.h>
+#include <linux/pci-acpi.h>
+static void __devinit msi_acpi_init(void)
+{
+	if (acpi_pci_disabled)
+		return;
+	pci_osc_support_set(OSC_MSI_SUPPORT);
+	pcie_osc_support_set(OSC_MSI_SUPPORT);
+}
+#else
+static inline void msi_acpi_init(void) { }
+#endif /* CONFIG_ACPI */
+
+void __devinit msi_init(void)
+{
+	if (!pci_msi_enable)
+		return;
+	msi_acpi_init();
+}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 4db261e13e6..aee73cf251b 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1933,6 +1933,9 @@ static int __devinit pci_init(void)
 	while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
 		pci_fixup_device(pci_fixup_final, dev);
 	}
+
+	msi_init();
+
 	return 0;
 }
 
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index b205ab866a1..9de87e9f98f 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -98,9 +98,11 @@ extern unsigned int pci_pm_d3_delay;
 #ifdef CONFIG_PCI_MSI
 void pci_no_msi(void);
 extern void pci_msi_init_pci_dev(struct pci_dev *dev);
+extern void __devinit msi_init(void);
 #else
 static inline void pci_no_msi(void) { }
 static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
+static inline void msi_init(void) { }
 #endif
 
 #ifdef CONFIG_PCIEAER
-- 
GitLab


From c4ed02fae78bf6cea0b22edd34a67df972f29832 Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew@wil.cx>
Date: Mon, 20 Oct 2008 19:13:08 -0600
Subject: [PATCH 1941/2224] PCI: Fix reference counting bug

pci_get_subsys() will decrement the reference count of the device that
it starts searching from.  Unfortunately, the pci_find_device() interface
will already have decremented the reference count of the device earlier,
so the device will end up losing all reference counts and be freed.

We can fix this by incrementing the reference count of the device to
start searching from before calling pci_get_subsys().

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/search.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 4edfc4731bd..5af8bd53814 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -166,6 +166,7 @@ struct pci_dev *pci_find_device(unsigned int vendor, unsigned int device,
 {
 	struct pci_dev *pdev;
 
+	pci_dev_get(from);
 	pdev = pci_get_subsys(vendor, device, PCI_ANY_ID, PCI_ANY_ID, from);
 	pci_dev_put(pdev);
 	return pdev;
@@ -270,12 +271,8 @@ static struct pci_dev *pci_get_dev_by_id(const struct pci_device_id *id,
 	struct pci_dev *pdev = NULL;
 
 	WARN_ON(in_interrupt());
-	if (from) {
-		/* FIXME
-		 * take the cast off, when bus_find_device is made const.
-		 */
-		dev_start = (struct device *)&from->dev;
-	}
+	if (from)
+		dev_start = &from->dev;
 	dev = bus_find_device(&pci_bus_type, dev_start, (void *)id,
 			      match_pci_dev_by_id);
 	if (dev)
-- 
GitLab


From 8dd7f8036c123296fc4214f9d8810eb485570422 Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng@linux.intel.com>
Date: Tue, 21 Oct 2008 17:38:25 +0800
Subject: [PATCH 1942/2224] PCI: add support for function level reset

Sometimes, it's necessary to enable software's ability to quiesce and
reset endpoint hardware with function-level granularity, so provide
support for it.

The patch implement Function Level Reset(FLR) feature following PCI-e
spec. And this is the first step. We would add more generic method, like
D0/D3, to allow more devices support this function.

The patch contains two functions. pcie_reset_function() is the new
driver API, and, contains some action to quiesce a device.  The other
function is a helper:  pcie_execute_reset_function() just executes the
reset for a particular device function.

Current the usage model is in KVM. Function reset is necessary for
assigning device to a guest, or moving it between partitions.

For Function Level Reset(FLR), please refer to PCI Express spec chapter
6.6.2.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci.c        | 98 ++++++++++++++++++++++++++++++++++++++++
 include/linux/pci.h      |  2 +
 include/linux/pci_regs.h |  2 +
 3 files changed, 102 insertions(+)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index aee73cf251b..533aeb5fcbe 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -18,6 +18,7 @@
 #include <linux/log2.h>
 #include <linux/pci-aspm.h>
 #include <linux/pm_wakeup.h>
+#include <linux/interrupt.h>
 #include <asm/dma.h>	/* isa_dma_bridge_buggy */
 #include "pci.h"
 
@@ -1745,6 +1746,103 @@ int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask)
 EXPORT_SYMBOL(pci_set_dma_seg_boundary);
 #endif
 
+/**
+ * pci_execute_reset_function() - Reset a PCI device function
+ * @dev: Device function to reset
+ *
+ * Some devices allow an individual function to be reset without affecting
+ * other functions in the same device.  The PCI device must be responsive
+ * to PCI config space in order to use this function.
+ *
+ * The device function is presumed to be unused when this function is called.
+ * Resetting the device will make the contents of PCI configuration space
+ * random, so any caller of this must be prepared to reinitialise the
+ * device including MSI, bus mastering, BARs, decoding IO and memory spaces,
+ * etc.
+ *
+ * Returns 0 if the device function was successfully reset or -ENOTTY if the
+ * device doesn't support resetting a single function.
+ */
+int pci_execute_reset_function(struct pci_dev *dev)
+{
+	u16 status;
+	u32 cap;
+	int exppos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+
+	if (!exppos)
+		return -ENOTTY;
+	pci_read_config_dword(dev, exppos + PCI_EXP_DEVCAP, &cap);
+	if (!(cap & PCI_EXP_DEVCAP_FLR))
+		return -ENOTTY;
+
+	pci_block_user_cfg_access(dev);
+
+	/* Wait for Transaction Pending bit clean */
+	msleep(100);
+	pci_read_config_word(dev, exppos + PCI_EXP_DEVSTA, &status);
+	if (status & PCI_EXP_DEVSTA_TRPND) {
+		dev_info(&dev->dev, "Busy after 100ms while trying to reset; "
+			"sleeping for 1 second\n");
+		ssleep(1);
+		pci_read_config_word(dev, exppos + PCI_EXP_DEVSTA, &status);
+		if (status & PCI_EXP_DEVSTA_TRPND)
+			dev_info(&dev->dev, "Still busy after 1s; "
+				"proceeding with reset anyway\n");
+	}
+
+	pci_write_config_word(dev, exppos + PCI_EXP_DEVCTL,
+				PCI_EXP_DEVCTL_BCR_FLR);
+	mdelay(100);
+
+	pci_unblock_user_cfg_access(dev);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pci_execute_reset_function);
+
+/**
+ * pci_reset_function() - quiesce and reset a PCI device function
+ * @dev: Device function to reset
+ *
+ * Some devices allow an individual function to be reset without affecting
+ * other functions in the same device.  The PCI device must be responsive
+ * to PCI config space in order to use this function.
+ *
+ * This function does not just reset the PCI portion of a device, but
+ * clears all the state associated with the device.  This function differs
+ * from pci_execute_reset_function in that it saves and restores device state
+ * over the reset.
+ *
+ * Returns 0 if the device function was successfully reset or -ENOTTY if the
+ * device doesn't support resetting a single function.
+ */
+int pci_reset_function(struct pci_dev *dev)
+{
+	u32 cap;
+	int exppos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+	int r;
+
+	if (!exppos)
+		return -ENOTTY;
+	pci_read_config_dword(dev, exppos + PCI_EXP_DEVCAP, &cap);
+	if (!(cap & PCI_EXP_DEVCAP_FLR))
+		return -ENOTTY;
+
+	if (!dev->msi_enabled && !dev->msix_enabled)
+		disable_irq(dev->irq);
+	pci_save_state(dev);
+
+	pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE);
+
+	r = pci_execute_reset_function(dev);
+
+	pci_restore_state(dev);
+	if (!dev->msi_enabled && !dev->msix_enabled)
+		enable_irq(dev->irq);
+
+	return r;
+}
+EXPORT_SYMBOL_GPL(pci_reset_function);
+
 /**
  * pcix_get_max_mmrbc - get PCI-X maximum designed memory read byte count
  * @dev: PCI device to query
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 085187be29c..f6f6810296e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -626,6 +626,8 @@ int pcix_get_mmrbc(struct pci_dev *dev);
 int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
 int pcie_get_readrq(struct pci_dev *dev);
 int pcie_set_readrq(struct pci_dev *dev, int rq);
+int pci_reset_function(struct pci_dev *dev);
+int pci_execute_reset_function(struct pci_dev *dev);
 void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index eb6686b88f9..e5effd47ed7 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -377,6 +377,7 @@
 #define  PCI_EXP_DEVCAP_RBER	0x8000	/* Role-Based Error Reporting */
 #define  PCI_EXP_DEVCAP_PWR_VAL	0x3fc0000 /* Slot Power Limit Value */
 #define  PCI_EXP_DEVCAP_PWR_SCL	0xc000000 /* Slot Power Limit Scale */
+#define  PCI_EXP_DEVCAP_FLR     0x10000000 /* Function Level Reset */
 #define PCI_EXP_DEVCTL		8	/* Device Control */
 #define  PCI_EXP_DEVCTL_CERE	0x0001	/* Correctable Error Reporting En. */
 #define  PCI_EXP_DEVCTL_NFERE	0x0002	/* Non-Fatal Error Reporting Enable */
@@ -389,6 +390,7 @@
 #define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
 #define  PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800  /* Enable No Snoop */
 #define  PCI_EXP_DEVCTL_READRQ	0x7000	/* Max_Read_Request_Size */
+#define  PCI_EXP_DEVCTL_BCR_FLR 0x8000  /* Bridge Configuration Retry / FLR */
 #define PCI_EXP_DEVSTA		10	/* Device Status */
 #define  PCI_EXP_DEVSTA_CED	0x01	/* Correctable Error Detected */
 #define  PCI_EXP_DEVSTA_NFED	0x02	/* Non-Fatal Error Detected */
-- 
GitLab


From 64c7f63c1b5c26f057c26f7920f397fed2f590d9 Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue, 21 Oct 2008 10:09:05 -0700
Subject: [PATCH 1943/2224] PCI: include io.h in pci.h so that ioremap_nocache
 is defined

Ingo pointed out that the m32r build was broken by pci_ioremap.  It looks like
some files include pci.h w/o including io.h.  The latter defines ioremap_* if
present, so it makes sense to include it in pci.h now that we have pci_ioremap
there.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 include/linux/pci.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index f6f6810296e..ee2fd6304e0 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -18,6 +18,7 @@
 #define LINUX_PCI_H
 
 #include <linux/pci_regs.h>	/* The pci register defines */
+#include <linux/io.h>
 
 /*
  * The PCI interface treats multi-function devices as independent
-- 
GitLab


From 48ff96ce0774f7634a9497c3589d49bf9d64e0ba Mon Sep 17 00:00:00 2001
From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Tue, 21 Oct 2008 12:01:27 -0700
Subject: [PATCH 1944/2224] Remove PCI hotplug core MAINTAINERS entry

Per discussion w/Kristen at the LPC PCI BoF, the core hotplug code doesn't
really need a separate maintainer, so remove the entry (but leave the driver
specific ones).

Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 MAINTAINERS | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 5c3f79c2638..4b41eb61a04 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3244,11 +3244,6 @@ L:	linux-pci@vger.kernel.org
 T:	git kernel.org:/pub/scm/linux/kernel/git/jbarnes/pci-2.6.git
 S:	Supported
 
-PCI HOTPLUG CORE
-P:	Kristen Carlson Accardi
-M:	kristen.c.accardi@intel.com
-S:	Supported
-
 PCIE HOTPLUG DRIVER
 P:	Kristen Carlson Accardi
 M:	kristen.c.accardi@intel.com
-- 
GitLab


From 1359f2701b96abd9bb69c1273fb995a093b6409a Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:40:42 -0600
Subject: [PATCH 1945/2224] PCI Hotplug core: add 'name' param pci_hp_register
 interface

Update pci_hp_register() to take a const char *name parameter.

The motivation for this is to clean up the individual hotplug
drivers so that each one does not have to manage its own name.
The PCI core should be the place where we manage the name.

We update the interface and all callsites first, in a
"no functional change" manner, and clean up the drivers later.

Cc: kristen.c.accardi@intel.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/acpiphp_core.c      |  3 ++-
 drivers/pci/hotplug/cpci_hotplug_core.c |  3 ++-
 drivers/pci/hotplug/cpqphp_core.c       |  3 ++-
 drivers/pci/hotplug/fakephp.c           |  3 ++-
 drivers/pci/hotplug/ibmphp_ebda.c       |  3 ++-
 drivers/pci/hotplug/pci_hotplug_core.c  | 15 ++++++++-------
 drivers/pci/hotplug/pciehp_core.c       |  3 ++-
 drivers/pci/hotplug/rpaphp_slot.c       |  2 +-
 drivers/pci/hotplug/sgi_hotplug.c       |  3 ++-
 drivers/pci/hotplug/shpchp_core.c       |  3 ++-
 include/linux/pci_hotplug.h             |  3 ++-
 11 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index 0e496e866a8..e9841765339 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -340,7 +340,8 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 
 	retval = pci_hp_register(slot->hotplug_slot,
 					acpiphp_slot->bridge->pci_bus,
-					acpiphp_slot->device);
+					acpiphp_slot->device,
+					slot->name);
 	if (retval == -EBUSY)
 		goto error_hpslot;
 	if (retval) {
diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index 935947991dc..5e5dee85763 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -285,7 +285,8 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 		info->attention_status = cpci_get_attention_status(slot);
 
 		dbg("registering slot %s", slot->hotplug_slot->name);
-		status = pci_hp_register(slot->hotplug_slot, bus, i);
+		status = pci_hp_register(slot->hotplug_slot, bus, i,
+					 slot->hotplug_slot->name);
 		if (status) {
 			err("pci_hp_register failed with error %d", status);
 			goto error_name;
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index 54defec51d0..a7fe4584f00 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -436,7 +436,8 @@ static int ctrl_slot_setup(struct controller *ctrl,
 				slot_number);
 		result = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
-					 slot->device);
+					 slot->device,
+					 hotplug_slot->name);
 		if (result) {
 			err("pci_hp_register failed with error %d\n", result);
 			goto error_name;
diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 146ca9cd156..3069f215383 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -126,7 +126,8 @@ static int add_slot(struct pci_dev *dev)
 	slot->release = &dummy_release;
 	slot->private = dslot;
 
-	retval = pci_hp_register(slot, dev->bus, PCI_SLOT(dev->devfn));
+	retval = pci_hp_register(slot, dev->bus, PCI_SLOT(dev->devfn),
+				 slot->name);
 	if (retval) {
 		err("pci_hp_register failed with error %d\n", retval);
 		goto error_dslot;
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 8cfd1c4926c..342d3e8f77c 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -966,7 +966,8 @@ static int __init ebda_rsrc_controller (void)
 	list_for_each_entry(tmp_slot, &ibmphp_slot_head, ibm_slot_list) {
 		snprintf (tmp_slot->hotplug_slot->name, 30, "%s", create_file_name (tmp_slot));
 		pci_hp_register(tmp_slot->hotplug_slot,
-			pci_find_bus(0, tmp_slot->bus), tmp_slot->device);
+			pci_find_bus(0, tmp_slot->bus), tmp_slot->device,
+			tmp_slot->hotplug_slot->name);
 	}
 
 	print_ebda_hpc ();
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 2e6c4474644..02b1ae12a2e 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -547,13 +547,15 @@ out:
  * @bus: bus this slot is on
  * @slot: pointer to the &struct hotplug_slot to register
  * @slot_nr: slot number
+ * @name: name registered with kobject core
  *
  * Registers a hotplug slot with the pci hotplug subsystem, which will allow
  * userspace interaction to the slot.
  *
  * Returns 0 if successful, anything else for an error.
  */
-int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr)
+int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
+			const char *name)
 {
 	int result;
 	struct pci_slot *pci_slot;
@@ -569,7 +571,7 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr)
 	}
 
 	/* Check if we have already registered a slot with the same name. */
-	if (get_slot_from_name(slot->name))
+	if (get_slot_from_name(name))
 		return -EEXIST;
 
 	/*
@@ -577,7 +579,7 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr)
 	 * driver and call it here again. If we've already created the
 	 * pci_slot, the interface will simply bump the refcount.
 	 */
-	pci_slot = pci_create_slot(bus, slot_nr, slot->name);
+	pci_slot = pci_create_slot(bus, slot_nr, name);
 	if (IS_ERR(pci_slot))
 		return PTR_ERR(pci_slot);
 
@@ -593,8 +595,8 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr)
 	/*
 	 * Allow pcihp drivers to override the ACPI_PCI_SLOT name.
 	 */
-	if (strcmp(kobject_name(&pci_slot->kobj), slot->name)) {
-		result = kobject_rename(&pci_slot->kobj, slot->name);
+	if (strcmp(kobject_name(&pci_slot->kobj), name)) {
+		result = kobject_rename(&pci_slot->kobj, name);
 		if (result) {
 			pci_destroy_slot(pci_slot);
 			return result;
@@ -607,8 +609,7 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr)
 
 	result = fs_add_slot(pci_slot);
 	kobject_uevent(&pci_slot->kobj, KOBJ_ADD);
-	dbg("Added slot %s to the list\n", slot->name);
-
+	dbg("Added slot %s to the list\n", name);
 
 	return result;
 }
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index c748a19db89..3ace5e05760 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -226,7 +226,8 @@ static int init_slots(struct controller *ctrl)
 duplicate_name:
 		retval = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
-					 slot->device);
+					 slot->device,
+					 slot->name);
 		if (retval) {
 			/*
 			 * If slot N already exists, we'll try to create
diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c
index 50884507b8b..736d3b43ed0 100644
--- a/drivers/pci/hotplug/rpaphp_slot.c
+++ b/drivers/pci/hotplug/rpaphp_slot.c
@@ -137,7 +137,7 @@ int rpaphp_register_slot(struct slot *slot)
 		slotno = PCI_SLOT(PCI_DN(slot->dn->child)->devfn);
 	else
 		slotno = -1;
-	retval = pci_hp_register(php_slot, slot->bus, slotno);
+	retval = pci_hp_register(php_slot, slot->bus, slotno, slot->name);
 	if (retval) {
 		err("pci_hp_register failed with error %d\n", retval);
 		return retval;
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index 410fe0394a8..6d20bbd4359 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -653,7 +653,8 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus)
 		bss_hotplug_slot->ops = &sn_hotplug_slot_ops;
 		bss_hotplug_slot->release = &sn_release_slot;
 
-		rc = pci_hp_register(bss_hotplug_slot, pci_bus, device);
+		rc = pci_hp_register(bss_hotplug_slot, pci_bus, device,
+				     bss_hotplug_slot->name);
 		if (rc)
 			goto register_err;
 
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index cc38615395f..bf5096612aa 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -146,7 +146,8 @@ static int init_slots(struct controller *ctrl)
 		    slot->hp_slot, slot->number, ctrl->slot_device_offset);
 duplicate_name:
 		retval = pci_hp_register(slot->hotplug_slot,
-				ctrl->pci_dev->subordinate, slot->device);
+				ctrl->pci_dev->subordinate, slot->device,
+				hotplug_slot->name);
 		if (retval) {
 			/*
 			 * If slot N already exists, we'll try to create
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index a08cd06b541..5efba667186 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -165,7 +165,8 @@ struct hotplug_slot {
 };
 #define to_hotplug_slot(n) container_of(n, struct hotplug_slot, kobj)
 
-extern int pci_hp_register(struct hotplug_slot *, struct pci_bus *, int nr);
+extern int pci_hp_register(struct hotplug_slot *, struct pci_bus *, int nr,
+			   const char *name);
 extern int pci_hp_deregister(struct hotplug_slot *slot);
 extern int __must_check pci_hp_change_slot_info	(struct hotplug_slot *slot,
 						 struct hotplug_slot_info *info);
-- 
GitLab


From d25b7c8d6ba2735602003d75a28894772fe8ad6a Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:40:47 -0600
Subject: [PATCH 1946/2224] PCI: rename pci_update_slot_number to
 pci_renumber_slot

The GPL exported symbol pci_update_slot_number has been renamed to
pci_renumber_slot. Some of the safety checks were unnecessary and
were removed.

Cc: kristen.c.accardi@intel.com
Cc: matthew@wil.cx
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/slot.c  | 15 +++++----------
 include/linux/pci.h |  2 +-
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 0c6db03698e..b9b90ab6b86 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -175,7 +175,7 @@ placeholder:
 EXPORT_SYMBOL_GPL(pci_create_slot);
 
 /**
- * pci_update_slot_number - update %struct pci_slot -> number
+ * pci_renumber_slot - update %struct pci_slot -> number
  * @slot - %struct pci_slot to update
  * @slot_nr - new number for slot
  *
@@ -183,27 +183,22 @@ EXPORT_SYMBOL_GPL(pci_create_slot);
  * created a placeholder slot in pci_create_slot() by passing a -1 as
  * slot_nr, to update their %struct pci_slot with the correct @slot_nr.
  */
-
-void pci_update_slot_number(struct pci_slot *slot, int slot_nr)
+void pci_renumber_slot(struct pci_slot *slot, int slot_nr)
 {
-	int name_count = 0;
 	struct pci_slot *tmp;
 
 	down_write(&pci_bus_sem);
 
 	list_for_each_entry(tmp, &slot->bus->slots, list) {
 		WARN_ON(tmp->number == slot_nr);
-		if (!strcmp(kobject_name(&tmp->kobj), kobject_name(&slot->kobj)))
-			name_count++;
+		goto out;
 	}
 
-	if (name_count > 1)
-		printk(KERN_WARNING "pci_update_slot_number found %d slots with the same name: %s\n", name_count, kobject_name(&slot->kobj));
-
 	slot->number = slot_nr;
+out:
 	up_write(&pci_bus_sem);
 }
-EXPORT_SYMBOL_GPL(pci_update_slot_number);
+EXPORT_SYMBOL_GPL(pci_renumber_slot);
 
 /**
  * pci_destroy_slot - decrement refcount for physical PCI slot
diff --git a/include/linux/pci.h b/include/linux/pci.h
index ee2fd6304e0..41717ae9807 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -512,7 +512,7 @@ struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
 struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
 				 const char *name);
 void pci_destroy_slot(struct pci_slot *slot);
-void pci_update_slot_number(struct pci_slot *slot, int slot_nr);
+void pci_renumber_slot(struct pci_slot *slot, int slot_nr);
 int pci_scan_slot(struct pci_bus *bus, int devfn);
 struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
-- 
GitLab


From 828f37683e6d3ab5912989df0d04201db7ad798e Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:40:52 -0600
Subject: [PATCH 1947/2224] PCI: update pci_create_slot() to take a 'hotplug'
 param

Slot detection drivers can co-exist with hotplug drivers. The names
of the detected/claimed slots may be different depending on module
load order.

For legacy reasons, we need to allow hotplug drivers to override
the slot name if a detection driver is loaded first (and they find
the same slots).

Creating and overriding slot names should be an atomic operation,
otherwise you get a locking nightmare as various drivers race to
call pci_create_slot().

pci_create_slot() is already serialized by grabbing the pci_bus_sem.

We update the API and add a 'hotplug' param, which is:

	set if the caller is a hotplug driver
	NULL if the caller is a detection driver

pci_create_slot() does not actually use the 'hotplug' parameter in this
patch. A later patch will add the logic that uses it.

Cc: kristen.c.accardi@intel.com
Cc: matthew@wil.cx
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/acpi/pci_slot.c                | 2 +-
 drivers/pci/hotplug/pci_hotplug_core.c | 2 +-
 drivers/pci/slot.c                     | 4 +++-
 include/linux/pci.h                    | 3 ++-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index d5b4ef89887..8d4a568be1c 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -150,7 +150,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
 	}
 
 	snprintf(name, sizeof(name), "%u", (u32)sun);
-	pci_slot = pci_create_slot(pci_bus, device, name);
+	pci_slot = pci_create_slot(pci_bus, device, name, NULL);
 	if (IS_ERR(pci_slot)) {
 		err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot));
 		kfree(slot);
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 02b1ae12a2e..1cdeb642fdc 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -579,7 +579,7 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
 	 * driver and call it here again. If we've already created the
 	 * pci_slot, the interface will simply bump the refcount.
 	 */
-	pci_slot = pci_create_slot(bus, slot_nr, name);
+	pci_slot = pci_create_slot(bus, slot_nr, name, slot);
 	if (IS_ERR(pci_slot))
 		return PTR_ERR(pci_slot);
 
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index b9b90ab6b86..0e009c3ba5f 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -83,6 +83,7 @@ static struct kobj_type pci_slot_ktype = {
  * @parent: struct pci_bus of parent bridge
  * @slot_nr: PCI_SLOT(pci_dev->devfn) or -1 for placeholder
  * @name: user visible string presented in /sys/bus/pci/slots/<name>
+ * @hotplug: set if caller is hotplug driver, NULL otherwise
  *
  * PCI slots have first class attributes such as address, speed, width,
  * and a &struct pci_slot is used to manage them. This interface will
@@ -111,7 +112,8 @@ static struct kobj_type pci_slot_ktype = {
  */
 
 struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
-				 const char *name)
+				 const char *name,
+				 struct hotplug_slot *hotplug)
 {
 	struct pci_dev *dev;
 	struct pci_slot *slot;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 41717ae9807..9a8cee62330 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -510,7 +510,8 @@ struct pci_bus *pci_create_bus(struct device *parent, int bus,
 struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
 				int busnr);
 struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
-				 const char *name);
+				 const char *name,
+				 struct hotplug_slot *hotplug);
 void pci_destroy_slot(struct pci_slot *slot);
 void pci_renumber_slot(struct pci_slot *slot, int slot_nr);
 int pci_scan_slot(struct pci_bus *bus, int devfn);
-- 
GitLab


From 95cb9093960b6249fdbe7417bf513a1358aaa51a Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Mon, 20 Oct 2008 17:40:57 -0600
Subject: [PATCH 1948/2224] PCI Hotplug: serialize pci_hp_register and
 pci_hp_deregister

Convert the pci_hotplug_slot_list_lock, which only protected the
list of hotplug slots, to a pci_hp_mutex which now protects both
interfaces.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pci_hotplug_core.c | 51 ++++++++++++++------------
 1 file changed, 28 insertions(+), 23 deletions(-)

diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 1cdeb642fdc..e7152482518 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -37,6 +37,7 @@
 #include <linux/init.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
+#include <linux/mutex.h>
 #include <linux/pci.h>
 #include <linux/pci_hotplug.h>
 #include <asm/uaccess.h>
@@ -61,7 +62,7 @@ static int debug;
 //////////////////////////////////////////////////////////////////
 
 static LIST_HEAD(pci_hotplug_slot_list);
-static DEFINE_SPINLOCK(pci_hotplug_slot_list_lock);
+static DEFINE_MUTEX(pci_hp_mutex);
 
 /* these strings match up with the values in pci_bus_speed */
 static char *pci_bus_speed_strings[] = {
@@ -530,16 +531,12 @@ static struct hotplug_slot *get_slot_from_name (const char *name)
 	struct hotplug_slot *slot;
 	struct list_head *tmp;
 
-	spin_lock(&pci_hotplug_slot_list_lock);
 	list_for_each (tmp, &pci_hotplug_slot_list) {
 		slot = list_entry (tmp, struct hotplug_slot, slot_list);
 		if (strcmp(slot->name, name) == 0)
-			goto out;
+			return slot;
 	}
-	slot = NULL;
-out:
-	spin_unlock(&pci_hotplug_slot_list_lock);
-	return slot;
+	return NULL;
 }
 
 /**
@@ -570,9 +567,13 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
 		return -EINVAL;
 	}
 
+	mutex_lock(&pci_hp_mutex);
+
 	/* Check if we have already registered a slot with the same name. */
-	if (get_slot_from_name(name))
-		return -EEXIST;
+	if (get_slot_from_name(name)) {
+		result = -EEXIST;
+		goto out;
+	}
 
 	/*
 	 * No problems if we call this interface from both ACPI_PCI_SLOT
@@ -580,13 +581,15 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
 	 * pci_slot, the interface will simply bump the refcount.
 	 */
 	pci_slot = pci_create_slot(bus, slot_nr, name, slot);
-	if (IS_ERR(pci_slot))
-		return PTR_ERR(pci_slot);
+	if (IS_ERR(pci_slot)) {
+		result = PTR_ERR(pci_slot);
+		goto cleanup;
+	}
 
 	if (pci_slot->hotplug) {
 		dbg("%s: already claimed\n", __func__);
-		pci_destroy_slot(pci_slot);
-		return -EBUSY;
+		result = -EBUSY;
+		goto cleanup;
 	}
 
 	slot->pci_slot = pci_slot;
@@ -597,21 +600,21 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
 	 */
 	if (strcmp(kobject_name(&pci_slot->kobj), name)) {
 		result = kobject_rename(&pci_slot->kobj, name);
-		if (result) {
-			pci_destroy_slot(pci_slot);
-			return result;
-		}
+		if (result)
+			goto cleanup;
 	}
 
-	spin_lock(&pci_hotplug_slot_list_lock);
 	list_add(&slot->slot_list, &pci_hotplug_slot_list);
-	spin_unlock(&pci_hotplug_slot_list_lock);
 
 	result = fs_add_slot(pci_slot);
 	kobject_uevent(&pci_slot->kobj, KOBJ_ADD);
 	dbg("Added slot %s to the list\n", name);
-
+out:
+	mutex_unlock(&pci_hp_mutex);
 	return result;
+cleanup:
+	pci_destroy_slot(pci_slot);
+	goto out;
 }
 
 /**
@@ -631,13 +634,14 @@ int pci_hp_deregister(struct hotplug_slot *hotplug)
 	if (!hotplug)
 		return -ENODEV;
 
+	mutex_lock(&pci_hp_mutex);
 	temp = get_slot_from_name(hotplug->name);
-	if (temp != hotplug)
+	if (temp != hotplug) {
+		mutex_unlock(&pci_hp_mutex);
 		return -ENODEV;
+	}
 
-	spin_lock(&pci_hotplug_slot_list_lock);
 	list_del(&hotplug->slot_list);
-	spin_unlock(&pci_hotplug_slot_list_lock);
 
 	slot = hotplug->pci_slot;
 	fs_remove_slot(slot);
@@ -646,6 +650,7 @@ int pci_hp_deregister(struct hotplug_slot *hotplug)
 	hotplug->release(hotplug);
 	slot->hotplug = NULL;
 	pci_destroy_slot(slot);
+	mutex_unlock(&pci_hp_mutex);
 
 	return 0;
 }
-- 
GitLab


From 5fe6cc60680d29740b85278e17a002fa27b7e642 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:02 -0600
Subject: [PATCH 1949/2224] PCI: prevent duplicate slot names

Prevent callers of pci_create_slot() from registering slots with
duplicate names. This condition occurs most often when PCI hotplug
drivers are loaded on platforms with broken firmware that assigns
identical names to multiple slots.

We now rename these duplicate slots on behalf of the user.

If firmware assigns the name N to multiple slots, then:

	The first registered slot is assigned N
	The second registered slot is assigned N-1
	The third registered slot is assigned N-2
	etc.

This is the permanent fix mentioned in earlier commits d6a9e9b4 and
167e782e (shpchp/pciehp: Rename duplicate slot name...).

We take advantage of the new 'hotplug' parameter in pci_create_slot()
to prevent a slot create/rename race between hotplug drivers and
detection drivers.

	Scenario A:
	hotplug driver                  detection driver
	--------------                  ----------------
	pci_create_slot(hotplug=set)
					pci_create_slot(hotplug=NULL)

The hotplug driver creates the slot with its desired name, and then
releases the semaphore. Now, the detection driver tries to create
the same slot, but it already exists. We don't care about renaming,
so return the existing slot.

	Scenario B:
	hotplug driver                  detection driver
	--------------                  ----------------
					pci_create_slot(hotplug=NULL)
	pci_create_slot(hotplug=set)

The detection driver creates the slot with name "X". Then the hotplug
driver tries to create the same slot, but wants the name "Y" instead.
We detect that we're trying to create the same slot and that we also
want a rename, so rename the slot to "Y" and return.

	Scenario C:
	hotplug driver                  hotplug driver
	--------------                  ----------------
	pci_create_slot(hotplug=set)
					pci_create_slot(hotplug=set)

Two separate hotplug drivers are attempting to claim the slot and
are passing valid hotplug_slot args to pci_create_slot(). We detect
that the slot already has a ->hotplug callback, prevent a rename,
and return -EBUSY.

Cc: kristen.c.accardi@intel.com
Cc: matthew@wil.cx
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pci_hotplug_core.c |  26 +----
 drivers/pci/hotplug/pciehp_core.c      |  15 ---
 drivers/pci/hotplug/shpchp_core.c      |  15 +--
 drivers/pci/slot.c                     | 141 ++++++++++++++++++++-----
 4 files changed, 115 insertions(+), 82 deletions(-)

diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index e7152482518..a6f1f282b68 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -569,12 +569,6 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
 
 	mutex_lock(&pci_hp_mutex);
 
-	/* Check if we have already registered a slot with the same name. */
-	if (get_slot_from_name(name)) {
-		result = -EEXIST;
-		goto out;
-	}
-
 	/*
 	 * No problems if we call this interface from both ACPI_PCI_SLOT
 	 * driver and call it here again. If we've already created the
@@ -583,27 +577,12 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
 	pci_slot = pci_create_slot(bus, slot_nr, name, slot);
 	if (IS_ERR(pci_slot)) {
 		result = PTR_ERR(pci_slot);
-		goto cleanup;
-	}
-
-	if (pci_slot->hotplug) {
-		dbg("%s: already claimed\n", __func__);
-		result = -EBUSY;
-		goto cleanup;
+		goto out;
 	}
 
 	slot->pci_slot = pci_slot;
 	pci_slot->hotplug = slot;
 
-	/*
-	 * Allow pcihp drivers to override the ACPI_PCI_SLOT name.
-	 */
-	if (strcmp(kobject_name(&pci_slot->kobj), name)) {
-		result = kobject_rename(&pci_slot->kobj, name);
-		if (result)
-			goto cleanup;
-	}
-
 	list_add(&slot->slot_list, &pci_hotplug_slot_list);
 
 	result = fs_add_slot(pci_slot);
@@ -612,9 +591,6 @@ int pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, int slot_nr,
 out:
 	mutex_unlock(&pci_hp_mutex);
 	return result;
-cleanup:
-	pci_destroy_slot(pci_slot);
-	goto out;
 }
 
 /**
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 3ace5e05760..af89d7bd1ed 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -196,7 +196,6 @@ static int init_slots(struct controller *ctrl)
 	struct slot *slot;
 	struct hotplug_slot *hotplug_slot;
 	struct hotplug_slot_info *info;
-	int len, dup = 1;
 	int retval = -ENOMEM;
 
 	list_for_each_entry(slot, &ctrl->slot_list, slot_list) {
@@ -223,25 +222,11 @@ static int init_slots(struct controller *ctrl)
 		ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
 			 "slot_device_offset=%x\n", slot->bus, slot->device,
 			 slot->hp_slot, slot->number, ctrl->slot_device_offset);
-duplicate_name:
 		retval = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
 					 slot->device,
 					 slot->name);
 		if (retval) {
-			/*
-			 * If slot N already exists, we'll try to create
-			 * slot N-1, N-2 ... N-M, until we overflow.
-			 */
-			if (retval == -EEXIST) {
-				len = snprintf(slot->name, SLOT_NAME_SIZE,
-					       "%d-%d", slot->number, dup++);
-				if (len < SLOT_NAME_SIZE)
-					goto duplicate_name;
-				else
-					ctrl_err(ctrl, "duplicate slot name "
-						 "overflow\n");
-			}
 			ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
 				 retval);
 			goto error_info;
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index bf5096612aa..cfdd0796364 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -102,7 +102,7 @@ static int init_slots(struct controller *ctrl)
 	struct hotplug_slot *hotplug_slot;
 	struct hotplug_slot_info *info;
 	int retval = -ENOMEM;
-	int i, len, dup = 1;
+	int i;
 
 	for (i = 0; i < ctrl->num_slots; i++) {
 		slot = kzalloc(sizeof(*slot), GFP_KERNEL);
@@ -144,23 +144,10 @@ static int init_slots(struct controller *ctrl)
 		dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
 		    "slot_device_offset=%x\n", slot->bus, slot->device,
 		    slot->hp_slot, slot->number, ctrl->slot_device_offset);
-duplicate_name:
 		retval = pci_hp_register(slot->hotplug_slot,
 				ctrl->pci_dev->subordinate, slot->device,
 				hotplug_slot->name);
 		if (retval) {
-			/*
-			 * If slot N already exists, we'll try to create
-			 * slot N-1, N-2 ... N-M, until we overflow.
-			 */
-			if (retval == -EEXIST) {
-				len = snprintf(slot->name, SLOT_NAME_SIZE,
-					       "%d-%d", slot->number, dup++);
-				if (len < SLOT_NAME_SIZE)
-					goto duplicate_name;
-				else
-					err("duplicate slot name overflow\n");
-			}
 			err("pci_hp_register failed with error %d\n", retval);
 			goto error_info;
 		}
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 0e009c3ba5f..b6ee352ae45 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -78,6 +78,77 @@ static struct kobj_type pci_slot_ktype = {
 	.default_attrs = pci_slot_default_attrs,
 };
 
+static char *make_slot_name(const char *name)
+{
+	char *new_name;
+	int len, max, dup;
+
+	new_name = kstrdup(name, GFP_KERNEL);
+	if (!new_name)
+		return NULL;
+
+	/*
+	 * Make sure we hit the realloc case the first time through the
+	 * loop.  'len' will be strlen(name) + 3 at that point which is
+	 * enough space for "name-X" and the trailing NUL.
+	 */
+	len = strlen(name) + 2;
+	max = 1;
+	dup = 1;
+
+	for (;;) {
+		struct kobject *dup_slot;
+		dup_slot = kset_find_obj(pci_slots_kset, new_name);
+		if (!dup_slot)
+			break;
+		kobject_put(dup_slot);
+		if (dup == max) {
+			len++;
+			max *= 10;
+			kfree(new_name);
+			new_name = kmalloc(len, GFP_KERNEL);
+			if (!new_name)
+				break;
+		}
+		sprintf(new_name, "%s-%d", name, dup++);
+	}
+
+	return new_name;
+}
+
+static int rename_slot(struct pci_slot *slot, const char *name)
+{
+	int result = 0;
+	char *slot_name;
+
+	if (strcmp(kobject_name(&slot->kobj), name) == 0)
+		return result;
+
+	slot_name = make_slot_name(name);
+	if (!slot_name)
+		return -ENOMEM;
+
+	result = kobject_rename(&slot->kobj, slot_name);
+	kfree(slot_name);
+
+	return result;
+}
+
+static struct pci_slot *get_slot(struct pci_bus *parent, int slot_nr)
+{
+	struct pci_slot *slot;
+	/*
+	 * We already hold pci_bus_sem so don't worry
+	 */
+	list_for_each_entry(slot, &parent->slots, list)
+		if (slot->number == slot_nr) {
+			kobject_get(&slot->kobj);
+			return slot;
+		}
+
+	return NULL;
+}
+
 /**
  * pci_create_slot - create or increment refcount for physical PCI slot
  * @parent: struct pci_bus of parent bridge
@@ -90,7 +161,17 @@ static struct kobj_type pci_slot_ktype = {
  * either return a new &struct pci_slot to the caller, or if the pci_slot
  * already exists, its refcount will be incremented.
  *
- * Slots are uniquely identified by a @pci_bus, @slot_nr, @name tuple.
+ * Slots are uniquely identified by a @pci_bus, @slot_nr tuple.
+ *
+ * There are known platforms with broken firmware that assign the same
+ * name to multiple slots. Workaround these broken platforms by renaming
+ * the slots on behalf of the caller. If firmware assigns name N to
+ * multiple slots:
+ *
+ * The first slot is assigned N
+ * The second slot is assigned N-1
+ * The third slot is assigned N-2
+ * etc.
  *
  * Placeholder slots:
  * In most cases, @pci_bus, @slot_nr will be sufficient to uniquely identify
@@ -99,62 +180,67 @@ static struct kobj_type pci_slot_ktype = {
  * the slot. In this scenario, the caller may pass -1 for @slot_nr.
  *
  * The following semantics are imposed when the caller passes @slot_nr ==
- * -1. First, the check for existing %struct pci_slot is skipped, as the
- * caller may know about several unpopulated slots on a given %struct
- * pci_bus, and each slot would have a @slot_nr of -1.  Uniqueness for
- * these slots is then determined by the @name parameter. We expect
- * kobject_init_and_add() to warn us if the caller attempts to create
- * multiple slots with the same name. The other change in semantics is
+ * -1. First, we no longer check for an existing %struct pci_slot, as there
+ * may be many slots with @slot_nr of -1.  The other change in semantics is
  * user-visible, which is the 'address' parameter presented in sysfs will
  * consist solely of a dddd:bb tuple, where dddd is the PCI domain of the
  * %struct pci_bus and bb is the bus number. In other words, the devfn of
  * the 'placeholder' slot will not be displayed.
  */
-
 struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
 				 const char *name,
 				 struct hotplug_slot *hotplug)
 {
 	struct pci_dev *dev;
 	struct pci_slot *slot;
-	int err;
+	int err = 0;
+	char *slot_name = NULL;
 
 	down_write(&pci_bus_sem);
 
 	if (slot_nr == -1)
 		goto placeholder;
 
-	/* If we've already created this slot, bump refcount and return. */
-	list_for_each_entry(slot, &parent->slots, list) {
-		if (slot->number == slot_nr) {
-			kobject_get(&slot->kobj);
-			pr_debug("%s: inc refcount to %d on %04x:%02x:%02x\n",
-				 __func__,
-				 atomic_read(&slot->kobj.kref.refcount),
-				 pci_domain_nr(parent), parent->number,
-				 slot_nr);
-			goto out;
+	/*
+	 * Hotplug drivers are allowed to rename an existing slot,
+	 * but only if not already claimed.
+	 */
+	slot = get_slot(parent, slot_nr);
+	if (slot) {
+		if (hotplug) {
+			if ((err = slot->hotplug ? -EBUSY : 0)
+			     || (err = rename_slot(slot, name))) {
+				kobject_put(&slot->kobj);
+				slot = NULL;
+				goto err;
+			}
 		}
+		goto out;
 	}
 
 placeholder:
 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
 	if (!slot) {
-		slot = ERR_PTR(-ENOMEM);
-		goto out;
+		err = -ENOMEM;
+		goto err;
 	}
 
 	slot->bus = parent;
 	slot->number = slot_nr;
 
 	slot->kobj.kset = pci_slots_kset;
-	err = kobject_init_and_add(&slot->kobj, &pci_slot_ktype, NULL,
-				   "%s", name);
-	if (err) {
-		printk(KERN_ERR "Unable to register kobject %s\n", name);
+
+	slot_name = make_slot_name(name);
+	if (!slot_name) {
+		err = -ENOMEM;
 		goto err;
 	}
 
+	err = kobject_init_and_add(&slot->kobj, &pci_slot_ktype, NULL,
+				   "%s", slot_name);
+	if (err)
+		goto err;
+
 	INIT_LIST_HEAD(&slot->list);
 	list_add(&slot->list, &parent->slots);
 
@@ -166,10 +252,10 @@ placeholder:
 	pr_debug("%s: created pci_slot on %04x:%02x:%02x\n",
 		 __func__, pci_domain_nr(parent), parent->number, slot_nr);
 
- out:
+out:
 	up_write(&pci_bus_sem);
 	return slot;
- err:
+err:
 	kfree(slot);
 	slot = ERR_PTR(err);
 	goto out;
@@ -210,7 +296,6 @@ EXPORT_SYMBOL_GPL(pci_renumber_slot);
  * just call kobject_put on its kobj and let our release methods do the
  * rest.
  */
-
 void pci_destroy_slot(struct pci_slot *slot)
 {
 	pr_debug("%s: dec refcount to %d on %04x:%02x:%02x\n", __func__,
-- 
GitLab


From df77cd10078e36e1b89964e5e8c206add399a98d Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:12 -0600
Subject: [PATCH 1950/2224] PCI: acpiphp: remove 'name' parameter

We do not need to manage our own name parameter, especially since
the PCI core can change it on our behalf, in the case of duplicate
slot names.

Remove 'name' from acpiphp's version of struct slot.

Cc: kristen.c.accardi@intel.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/acpiphp.h      |  9 +++++----
 drivers/pci/hotplug/acpiphp_core.c | 31 +++++++++++++++---------------
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 5a58b075dd8..f9e244da30a 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -50,9 +50,6 @@
 #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
 #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
 
-/* name size which is used for entries in pcihpfs */
-#define SLOT_NAME_SIZE	20		/* {_SUN} */
-
 struct acpiphp_bridge;
 struct acpiphp_slot;
 
@@ -63,9 +60,13 @@ struct slot {
 	struct hotplug_slot	*hotplug_slot;
 	struct acpiphp_slot	*acpi_slot;
 	struct hotplug_slot_info info;
-	char name[SLOT_NAME_SIZE];
 };
 
+static inline const char *slot_name(struct slot *slot)
+{
+	return hotplug_slot_name(slot->hotplug_slot);
+}
+
 /*
  * struct acpiphp_bridge - PCI bridge information
  *
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index e9841765339..95b536a23d2 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -44,6 +44,9 @@
 
 #define MY_NAME	"acpiphp"
 
+/* name size which is used for entries in pcihpfs */
+#define SLOT_NAME_SIZE  21              /* {_SUN} */
+
 static int debug;
 int acpiphp_debug;
 
@@ -84,7 +87,6 @@ static struct hotplug_slot_ops acpi_hotplug_slot_ops = {
 	.get_adapter_status	= get_adapter_status,
 };
 
-
 /**
  * acpiphp_register_attention - set attention LED callback
  * @info: must be completely filled with LED callbacks
@@ -136,7 +138,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	/* enable the specified slot */
 	return acpiphp_enable_slot(slot->acpi_slot);
@@ -154,7 +156,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	/* disable the specified slot */
 	retval = acpiphp_disable_slot(slot->acpi_slot);
@@ -177,7 +179,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
  {
 	int retval = -ENODEV;
 
- 	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot_name(hotplug_slot));
  
 	if (attention_info && try_module_get(attention_info->owner)) {
 		retval = attention_info->set_attn(hotplug_slot, status);
@@ -200,7 +202,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = acpiphp_get_power_status(slot->acpi_slot);
 
@@ -222,7 +224,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
 	int retval = -EINVAL;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot_name(hotplug_slot));
 
 	if (attention_info && try_module_get(attention_info->owner)) {
 		retval = attention_info->get_attn(hotplug_slot, value);
@@ -245,7 +247,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = acpiphp_get_latch_status(slot->acpi_slot);
 
@@ -265,7 +267,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = acpiphp_get_adapter_status(slot->acpi_slot);
 
@@ -299,7 +301,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	kfree(slot->hotplug_slot);
 	kfree(slot);
@@ -310,6 +312,7 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 {
 	struct slot *slot;
 	int retval = -ENOMEM;
+	char name[SLOT_NAME_SIZE];
 
 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
 	if (!slot)
@@ -321,8 +324,6 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 
 	slot->hotplug_slot->info = &slot->info;
 
-	slot->hotplug_slot->name = slot->name;
-
 	slot->hotplug_slot->private = slot;
 	slot->hotplug_slot->release = &release_slot;
 	slot->hotplug_slot->ops = &acpi_hotplug_slot_ops;
@@ -336,12 +337,12 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 	slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN;
 
 	acpiphp_slot->slot = slot;
-	snprintf(slot->name, sizeof(slot->name), "%u", slot->acpi_slot->sun);
+	snprintf(name, SLOT_NAME_SIZE, "%u", slot->acpi_slot->sun);
 
 	retval = pci_hp_register(slot->hotplug_slot,
 					acpiphp_slot->bridge->pci_bus,
 					acpiphp_slot->device,
-					slot->name);
+					name);
 	if (retval == -EBUSY)
 		goto error_hpslot;
 	if (retval) {
@@ -349,7 +350,7 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 		goto error_hpslot;
  	}
 
-	info("Slot [%s] registered\n", slot->hotplug_slot->name);
+	info("Slot [%s] registered\n", slot_name(slot));
 
 	return 0;
 error_hpslot:
@@ -366,7 +367,7 @@ void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *acpiphp_slot)
 	struct slot *slot = acpiphp_slot->slot;
 	int retval = 0;
 
-	info ("Slot [%s] unregistered\n", slot->hotplug_slot->name);
+	info("Slot [%s] unregistered\n", slot_name(slot));
 
 	retval = pci_hp_deregister(slot->hotplug_slot);
 	if (retval)
-- 
GitLab


From d6c479e0b777afcd7a26ca62e122e3f878ccc830 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:17 -0600
Subject: [PATCH 1951/2224] PCI: cpci_hotplug: stop managing hotplug_slot->name

We no longer need to manage our version of hotplug_slot->name
since the PCI and hotplug core manage it on our behalf.

Now, we simply advise the PCI core of the name that we would
like, and let the core take care of the rest.

Cc: kristen.c.accardi@intel.com
Cc: scottm@somanetworks.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/cpci_hotplug.h      |  6 ++
 drivers/pci/hotplug/cpci_hotplug_core.c | 76 ++++++++++---------------
 drivers/pci/hotplug/cpci_hotplug_pci.c  |  4 +-
 3 files changed, 37 insertions(+), 49 deletions(-)

diff --git a/drivers/pci/hotplug/cpci_hotplug.h b/drivers/pci/hotplug/cpci_hotplug.h
index d9769b30be9..9fff878cf02 100644
--- a/drivers/pci/hotplug/cpci_hotplug.h
+++ b/drivers/pci/hotplug/cpci_hotplug.h
@@ -30,6 +30,7 @@
 
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci_hotplug.h>
 
 /* PICMG 2.1 R2.0 HS CSR bits: */
 #define HS_CSR_INS	0x0080
@@ -69,6 +70,11 @@ struct cpci_hp_controller {
 	struct cpci_hp_controller_ops *ops;
 };
 
+static inline const char *slot_name(struct slot *slot)
+{
+	return hotplug_slot_name(slot->hotplug_slot);
+}
+
 extern int cpci_hp_register_controller(struct cpci_hp_controller *controller);
 extern int cpci_hp_unregister_controller(struct cpci_hp_controller *controller);
 extern int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last);
diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index 5e5dee85763..de94f4feef8 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -108,7 +108,7 @@ enable_slot(struct hotplug_slot *hotplug_slot)
 	struct slot *slot = hotplug_slot->private;
 	int retval = 0;
 
-	dbg("%s - physical_slot = %s", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s", __func__, slot_name(slot));
 
 	if (controller->ops->set_power)
 		retval = controller->ops->set_power(slot, 1);
@@ -121,25 +121,23 @@ disable_slot(struct hotplug_slot *hotplug_slot)
 	struct slot *slot = hotplug_slot->private;
 	int retval = 0;
 
-	dbg("%s - physical_slot = %s", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s", __func__, slot_name(slot));
 
 	down_write(&list_rwsem);
 
 	/* Unconfigure device */
-	dbg("%s - unconfiguring slot %s",
-	    __func__, slot->hotplug_slot->name);
+	dbg("%s - unconfiguring slot %s", __func__, slot_name(slot));
 	if ((retval = cpci_unconfigure_slot(slot))) {
 		err("%s - could not unconfigure slot %s",
-		    __func__, slot->hotplug_slot->name);
+		    __func__, slot_name(slot));
 		goto disable_error;
 	}
-	dbg("%s - finished unconfiguring slot %s",
-	    __func__, slot->hotplug_slot->name);
+	dbg("%s - finished unconfiguring slot %s", __func__, slot_name(slot));
 
 	/* Clear EXT (by setting it) */
 	if (cpci_clear_ext(slot)) {
 		err("%s - could not clear EXT for slot %s",
-		    __func__, slot->hotplug_slot->name);
+		    __func__, slot_name(slot));
 		retval = -ENODEV;
 		goto disable_error;
 	}
@@ -214,7 +212,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 	struct slot *slot = hotplug_slot->private;
 
 	kfree(slot->hotplug_slot->info);
-	kfree(slot->hotplug_slot->name);
 	kfree(slot->hotplug_slot);
 	if (slot->dev)
 		pci_dev_put(slot->dev);
@@ -222,12 +219,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 }
 
 #define SLOT_NAME_SIZE	6
-static void
-make_slot_name(struct slot *slot)
-{
-	snprintf(slot->hotplug_slot->name,
-		 SLOT_NAME_SIZE, "%02x:%02x", slot->bus->number, slot->number);
-}
 
 int
 cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
@@ -235,7 +226,7 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 	struct slot *slot;
 	struct hotplug_slot *hotplug_slot;
 	struct hotplug_slot_info *info;
-	char *name;
+	char name[SLOT_NAME_SIZE];
 	int status = -ENOMEM;
 	int i;
 
@@ -262,35 +253,31 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 			goto error_hpslot;
 		hotplug_slot->info = info;
 
-		name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
-		if (!name)
-			goto error_info;
-		hotplug_slot->name = name;
-
 		slot->bus = bus;
 		slot->number = i;
 		slot->devfn = PCI_DEVFN(i, 0);
 
+		snprintf(name, SLOT_NAME_SIZE, "%02x:%02x", bus->number, i);
+
 		hotplug_slot->private = slot;
 		hotplug_slot->release = &release_slot;
-		make_slot_name(slot);
 		hotplug_slot->ops = &cpci_hotplug_slot_ops;
 
 		/*
 		 * Initialize the slot info structure with some known
 		 * good values.
 		 */
-		dbg("initializing slot %s", slot->hotplug_slot->name);
+		dbg("initializing slot %s", name);
 		info->power_status = cpci_get_power_status(slot);
 		info->attention_status = cpci_get_attention_status(slot);
 
-		dbg("registering slot %s", slot->hotplug_slot->name);
-		status = pci_hp_register(slot->hotplug_slot, bus, i,
-					 slot->hotplug_slot->name);
+		dbg("registering slot %s", name);
+		status = pci_hp_register(slot->hotplug_slot, bus, i, name);
 		if (status) {
 			err("pci_hp_register failed with error %d", status);
-			goto error_name;
+			goto error_info;
 		}
+		dbg("slot registered with name: %s", slot_name(slot));
 
 		/* Add slot to our internal list */
 		down_write(&list_rwsem);
@@ -299,8 +286,6 @@ cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last)
 		up_write(&list_rwsem);
 	}
 	return 0;
-error_name:
-	kfree(name);
 error_info:
 	kfree(info);
 error_hpslot:
@@ -328,7 +313,7 @@ cpci_hp_unregister_bus(struct pci_bus *bus)
 			list_del(&slot->slot_list);
 			slots--;
 
-			dbg("deregistering slot %s", slot->hotplug_slot->name);
+			dbg("deregistering slot %s", slot_name(slot));
 			status = pci_hp_deregister(slot->hotplug_slot);
 			if (status) {
 				err("pci_hp_deregister failed with error %d",
@@ -380,11 +365,10 @@ init_slots(int clear_ins)
 		return -1;
 	}
 	list_for_each_entry(slot, &slot_list, slot_list) {
-		dbg("%s - looking at slot %s",
-		    __func__, slot->hotplug_slot->name);
+		dbg("%s - looking at slot %s", __func__, slot_name(slot));
 		if (clear_ins && cpci_check_and_clear_ins(slot))
 			dbg("%s - cleared INS for slot %s",
-			    __func__, slot->hotplug_slot->name);
+			    __func__, slot_name(slot));
 		dev = pci_get_slot(slot->bus, PCI_DEVFN(slot->number, 0));
 		if (dev) {
 			if (update_adapter_status(slot->hotplug_slot, 1))
@@ -415,8 +399,7 @@ check_slots(void)
 	}
 	extracted = inserted = 0;
 	list_for_each_entry(slot, &slot_list, slot_list) {
-		dbg("%s - looking at slot %s",
-		    __func__, slot->hotplug_slot->name);
+		dbg("%s - looking at slot %s", __func__, slot_name(slot));
 		if (cpci_check_and_clear_ins(slot)) {
 			/*
 			 * Some broken hardware (e.g. PLX 9054AB) asserts
@@ -424,35 +407,34 @@ check_slots(void)
 			 */
 			if (slot->dev) {
 				warn("slot %s already inserted",
-				     slot->hotplug_slot->name);
+				     slot_name(slot));
 				inserted++;
 				continue;
 			}
 
 			/* Process insertion */
-			dbg("%s - slot %s inserted",
-			    __func__, slot->hotplug_slot->name);
+			dbg("%s - slot %s inserted", __func__, slot_name(slot));
 
 			/* GSM, debug */
 			hs_csr = cpci_get_hs_csr(slot);
 			dbg("%s - slot %s HS_CSR (1) = %04x",
-			    __func__, slot->hotplug_slot->name, hs_csr);
+			    __func__, slot_name(slot), hs_csr);
 
 			/* Configure device */
 			dbg("%s - configuring slot %s",
-			    __func__, slot->hotplug_slot->name);
+			    __func__, slot_name(slot));
 			if (cpci_configure_slot(slot)) {
 				err("%s - could not configure slot %s",
-				    __func__, slot->hotplug_slot->name);
+				    __func__, slot_name(slot));
 				continue;
 			}
 			dbg("%s - finished configuring slot %s",
-			    __func__, slot->hotplug_slot->name);
+			    __func__, slot_name(slot));
 
 			/* GSM, debug */
 			hs_csr = cpci_get_hs_csr(slot);
 			dbg("%s - slot %s HS_CSR (2) = %04x",
-			    __func__, slot->hotplug_slot->name, hs_csr);
+			    __func__, slot_name(slot), hs_csr);
 
 			if (update_latch_status(slot->hotplug_slot, 1))
 				warn("failure to update latch file");
@@ -465,18 +447,18 @@ check_slots(void)
 			/* GSM, debug */
 			hs_csr = cpci_get_hs_csr(slot);
 			dbg("%s - slot %s HS_CSR (3) = %04x",
-			    __func__, slot->hotplug_slot->name, hs_csr);
+			    __func__, slot_name(slot), hs_csr);
 
 			inserted++;
 		} else if (cpci_check_ext(slot)) {
 			/* Process extraction request */
 			dbg("%s - slot %s extracted",
-			    __func__, slot->hotplug_slot->name);
+			    __func__, slot_name(slot));
 
 			/* GSM, debug */
 			hs_csr = cpci_get_hs_csr(slot);
 			dbg("%s - slot %s HS_CSR = %04x",
-			    __func__, slot->hotplug_slot->name, hs_csr);
+			    __func__, slot_name(slot), hs_csr);
 
 			if (!slot->extracting) {
 				if (update_latch_status(slot->hotplug_slot, 0)) {
@@ -494,7 +476,7 @@ check_slots(void)
 				 * bother trying to tell the driver or not?
 				 */
 				err("card in slot %s was improperly removed",
-				    slot->hotplug_slot->name);
+				    slot_name(slot));
 				if (update_adapter_status(slot->hotplug_slot, 0))
 					warn("failure to update adapter file");
 				slot->extracting = 0;
diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c
index df82b95e287..829c327cfb5 100644
--- a/drivers/pci/hotplug/cpci_hotplug_pci.c
+++ b/drivers/pci/hotplug/cpci_hotplug_pci.c
@@ -209,7 +209,7 @@ int cpci_led_on(struct slot* slot)
 					      hs_cap + 2,
 					      hs_csr)) {
 			err("Could not set LOO for slot %s",
-			    slot->hotplug_slot->name);
+			    hotplug_slot_name(slot->hotplug_slot));
 			return -ENODEV;
 		}
 	}
@@ -238,7 +238,7 @@ int cpci_led_off(struct slot* slot)
 					      hs_cap + 2,
 					      hs_csr)) {
 			err("Could not clear LOO for slot %s",
-			    slot->hotplug_slot->name);
+			    hotplug_slot_name(slot->hotplug_slot));
 			return -ENODEV;
 		}
 	}
-- 
GitLab


From 30ac7acd05d1449ac784de144c4b5237be25b0b4 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:22 -0600
Subject: [PATCH 1952/2224] PCI: cpqphp: stop managing hotplug_slot->name

We no longer need to manage our version of hotplug_slot->name
since the PCI and hotplug core manage it on our behalf.

Now, we simply advise the PCI core of the name that we would
like, and let the core take care of the rest.

Cc: jbarnes@virtuousgeek.org
Cc: kristen.c.accardi@intel.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/cpqphp.h      | 13 ++++------
 drivers/pci/hotplug/cpqphp_core.c | 42 ++++++++++++++-----------------
 2 files changed, 24 insertions(+), 31 deletions(-)

diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h
index b1decfa88b7..afaf8f69f73 100644
--- a/drivers/pci/hotplug/cpqphp.h
+++ b/drivers/pci/hotplug/cpqphp.h
@@ -449,6 +449,11 @@ extern u8 cpqhp_disk_irq;
 
 /* inline functions */
 
+static inline char *slot_name(struct slot *slot)
+{
+	return hotplug_slot_name(slot->hotplug_slot);
+}
+
 /*
  * return_resource
  *
@@ -696,14 +701,6 @@ static inline int get_presence_status(struct controller *ctrl, struct slot *slot
 	return presence_save;
 }
 
-#define SLOT_NAME_SIZE 10
-
-static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
-{
-	snprintf(buffer, buffer_size, "%d", slot->number);
-}
-
-
 static inline int wait_for_ctrl_irq(struct controller *ctrl)
 {
         DECLARE_WAITQUEUE(wait, current);
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index a7fe4584f00..724d42c4adb 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -315,14 +315,15 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	kfree(slot->hotplug_slot->info);
-	kfree(slot->hotplug_slot->name);
 	kfree(slot->hotplug_slot);
 	kfree(slot);
 }
 
+#define SLOT_NAME_SIZE 10
+
 static int ctrl_slot_setup(struct controller *ctrl,
 			void __iomem *smbios_start,
 			void __iomem *smbios_table)
@@ -335,6 +336,7 @@ static int ctrl_slot_setup(struct controller *ctrl,
 	u8 slot_number;
 	u8 ctrl_slot;
 	u32 tempdword;
+	char name[SLOT_NAME_SIZE];
 	void __iomem *slot_entry= NULL;
 	int result = -ENOMEM;
 
@@ -363,16 +365,12 @@ static int ctrl_slot_setup(struct controller *ctrl,
 		if (!hotplug_slot->info)
 			goto error_hpslot;
 		hotplug_slot_info = hotplug_slot->info;
-		hotplug_slot->name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL);
-
-		if (!hotplug_slot->name)
-			goto error_info;
 
 		slot->ctrl = ctrl;
 		slot->bus = ctrl->bus;
 		slot->device = slot_device;
 		slot->number = slot_number;
-		dbg("slot->number = %d\n", slot->number);
+		dbg("slot->number = %u\n", slot->number);
 
 		slot_entry = get_SMBIOS_entry(smbios_start, smbios_table, 9,
 					slot_entry);
@@ -418,9 +416,9 @@ static int ctrl_slot_setup(struct controller *ctrl,
 		/* register this slot with the hotplug pci core */
 		hotplug_slot->release = &release_slot;
 		hotplug_slot->private = slot;
-		make_slot_name(hotplug_slot->name, SLOT_NAME_SIZE, slot);
+		snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
 		hotplug_slot->ops = &cpqphp_hotplug_slot_ops;
-		
+
 		hotplug_slot_info->power_status = get_slot_enabled(ctrl, slot);
 		hotplug_slot_info->attention_status =
 			cpq_get_attention_status(ctrl, slot);
@@ -437,10 +435,10 @@ static int ctrl_slot_setup(struct controller *ctrl,
 		result = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
 					 slot->device,
-					 hotplug_slot->name);
+					 name);
 		if (result) {
 			err("pci_hp_register failed with error %d\n", result);
-			goto error_name;
+			goto error_info;
 		}
 		
 		slot->next = ctrl->slot;
@@ -452,8 +450,6 @@ static int ctrl_slot_setup(struct controller *ctrl,
 	}
 
 	return 0;
-error_name:
-	kfree(hotplug_slot->name);
 error_info:
 	kfree(hotplug_slot_info);
 error_hpslot:
@@ -639,7 +635,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 	u8 device;
 	u8 function;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1)
 		return -ENODEV;
@@ -666,7 +662,7 @@ static int process_SI(struct hotplug_slot *hotplug_slot)
 	u8 device;
 	u8 function;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1)
 		return -ENODEV;
@@ -698,7 +694,7 @@ static int process_SS(struct hotplug_slot *hotplug_slot)
 	u8 device;
 	u8 function;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	if (cpqhp_get_bus_dev(ctrl, &bus, &devfn, slot->number) == -1)
 		return -ENODEV;
@@ -721,7 +717,7 @@ static int hardware_test(struct hotplug_slot *hotplug_slot, u32 value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	return cpqhp_hardware_test(ctrl, value);	
 }
@@ -732,7 +728,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = get_slot_enabled(ctrl, slot);
 	return 0;
@@ -743,7 +739,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 	
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = cpq_get_attention_status(ctrl, slot);
 	return 0;
@@ -754,7 +750,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = cpq_get_latch_status(ctrl, slot);
 
@@ -766,7 +762,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = get_presence_status(ctrl, slot);
 
@@ -778,7 +774,7 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = ctrl->speed_capability;
 
@@ -790,7 +786,7 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 	struct slot *slot = hotplug_slot->private;
 	struct controller *ctrl = slot->ctrl;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	*value = ctrl->speed;
 
-- 
GitLab


From 0ad772ec464d3fcf9d210836b97e654f393606c4 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:07 -0600
Subject: [PATCH 1953/2224] PCI, PCI Hotplug: introduce slot_name helpers

In preparation for cleaning up the various hotplug drivers
such that they don't have to manage their own 'name' parameters
anymore, we provide the following convenience functions:

	pci_slot_name()
	hotplug_slot_name()

These helpers will be used by individual hotplug drivers.

Cc: kristen.c.accardi@intel.com
Cc: matthew@wil.cx
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/slot.c          | 2 +-
 include/linux/pci.h         | 5 +++++
 include/linux/pci_hotplug.h | 5 +++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index b6ee352ae45..4dd1c3e157a 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -121,7 +121,7 @@ static int rename_slot(struct pci_slot *slot, const char *name)
 	int result = 0;
 	char *slot_name;
 
-	if (strcmp(kobject_name(&slot->kobj), name) == 0)
+	if (strcmp(pci_slot_name(slot), name) == 0)
 		return result;
 
 	slot_name = make_slot_name(name);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 9a8cee62330..955ab705c05 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -65,6 +65,11 @@ struct pci_slot {
 	struct kobject kobj;
 };
 
+static inline const char *pci_slot_name(const struct pci_slot *slot)
+{
+	return kobject_name(&slot->kobj);
+}
+
 /* File state for mmap()s on /proc/bus/pci/X/Y */
 enum pci_mmap_state {
 	pci_mmap_io,
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index 5efba667186..a3a3245943b 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -165,6 +165,11 @@ struct hotplug_slot {
 };
 #define to_hotplug_slot(n) container_of(n, struct hotplug_slot, kobj)
 
+static inline const char *hotplug_slot_name(const struct hotplug_slot *slot)
+{
+	return pci_slot_name(slot->pci_slot);
+}
+
 extern int pci_hp_register(struct hotplug_slot *, struct pci_bus *, int nr,
 			   const char *name);
 extern int pci_hp_deregister(struct hotplug_slot *slot);
-- 
GitLab


From 43caae884b5a5e2eacb4879225341cb49700e129 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:28 -0600
Subject: [PATCH 1954/2224] PCI: fakephp: remove 'name' parameter

Remove 'name' from fakephp's struct dummy_slot, as the PCI core
will now manage our slot name for us.

Cc: jbarnes@virtuousgeek.org
Cc: kristen.c.accardi@intel.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/fakephp.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 3069f215383..24dcbf13e98 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -66,7 +66,6 @@ struct dummy_slot {
 	struct pci_dev *dev;
 	struct work_struct remove_work;
 	unsigned long removed;
-	char name[8];
 };
 
 static int debug;
@@ -96,10 +95,13 @@ static void dummy_release(struct hotplug_slot *slot)
 	kfree(dslot);
 }
 
+#define SLOT_NAME_SIZE	8
+
 static int add_slot(struct pci_dev *dev)
 {
 	struct dummy_slot *dslot;
 	struct hotplug_slot *slot;
+	char name[SLOT_NAME_SIZE];
 	int retval = -ENOMEM;
 	static int count = 1;
 
@@ -119,20 +121,18 @@ static int add_slot(struct pci_dev *dev)
 	if (!dslot)
 		goto error_info;
 
-	slot->name = dslot->name;
-	snprintf(slot->name, sizeof(dslot->name), "fake%d", count++);
-	dbg("slot->name = %s\n", slot->name);
+	snprintf(name, SLOT_NAME_SIZE, "fake%d", count++);
 	slot->ops = &dummy_hotplug_slot_ops;
 	slot->release = &dummy_release;
 	slot->private = dslot;
 
-	retval = pci_hp_register(slot, dev->bus, PCI_SLOT(dev->devfn),
-				 slot->name);
+	retval = pci_hp_register(slot, dev->bus, PCI_SLOT(dev->devfn), name);
 	if (retval) {
 		err("pci_hp_register failed with error %d\n", retval);
 		goto error_dslot;
 	}
 
+	dbg("slot->name = %s\n", hotplug_slot_name(slot));
 	dslot->slot = slot;
 	dslot->dev = pci_dev_get(dev);
 	list_add (&dslot->node, &slot_list);
@@ -168,10 +168,11 @@ static void remove_slot(struct dummy_slot *dslot)
 {
 	int retval;
 
-	dbg("removing slot %s\n", dslot->slot->name);
+	dbg("removing slot %s\n", hotplug_slot_name(dslot->slot));
 	retval = pci_hp_deregister(dslot->slot);
 	if (retval)
-		err("Problem unregistering a slot %s\n", dslot->slot->name);
+		err("Problem unregistering a slot %s\n",
+			hotplug_slot_name(dslot->slot));
 }
 
 /* called from the single-threaded workqueue handler to remove a slot */
@@ -309,7 +310,7 @@ static int disable_slot(struct hotplug_slot *slot)
 		return -ENODEV;
 	dslot = slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot_name(slot));
 
 	for (func = 7; func >= 0; func--) {
 		dev = pci_get_slot(dslot->dev->bus, dslot->dev->devfn + func);
-- 
GitLab


From a32615a1a661f83661e8a26c3bc7763f716da8f3 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:33 -0600
Subject: [PATCH 1955/2224] PCI: ibmphp: stop managing hotplug_slot->name

We no longer need to manage our version of hotplug_slot->name
since the PCI and hotplug core manage it on our behalf.

Now, we simply advise the PCI core of the name that we would
like, and let the core take care of the rest.

Additionally, slightly rearrange the members of struct slot
so they are naturally aligned to eliminate holes.

Cc: jbarnes@virtuousgeek.org
Cc: kristen.c.accardi@intel.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/ibmphp.h      |  5 ++---
 drivers/pci/hotplug/ibmphp_ebda.c | 20 +++++++-------------
 2 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/pci/hotplug/ibmphp.h b/drivers/pci/hotplug/ibmphp.h
index 612d9630150..a8d391a4957 100644
--- a/drivers/pci/hotplug/ibmphp.h
+++ b/drivers/pci/hotplug/ibmphp.h
@@ -707,17 +707,16 @@ struct slot {
 	u8 device;
 	u8 number;
 	u8 real_physical_slot_num;
-	char name[100];
 	u32 capabilities;
 	u8 supported_speed;
 	u8 supported_bus_mode;
+	u8 flag;		/* this is for disable slot and polling */
+	u8 ctlr_index;
 	struct hotplug_slot *hotplug_slot;
 	struct controller *ctrl;
 	struct pci_func *func;
 	u8 irq[4];
-	u8 flag;		/* this is for disable slot and polling */
 	int bit_mode;		/* 0 = 32, 1 = 64 */
-	u8 ctlr_index;
 	struct bus_info *bus_on;
 	struct list_head ibm_slot_list;
 	u8 status;
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 342d3e8f77c..c1abac8ab5c 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -587,11 +587,14 @@ static u8 calculate_first_slot (u8 slot_num)
 	return first_slot + 1;
 
 }
+
+#define SLOT_NAME_SIZE 30
+
 static char *create_file_name (struct slot * slot_cur)
 {
 	struct opt_rio *opt_vg_ptr = NULL;
 	struct opt_rio_lo *opt_lo_ptr = NULL;
-	static char str[30];
+	static char str[SLOT_NAME_SIZE];
 	int which = 0; /* rxe = 1, chassis = 0 */
 	u8 number = 1; /* either chassis or rxe # */
 	u8 first_slot = 1;
@@ -703,7 +706,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 
 	slot = hotplug_slot->private;
 	kfree(slot->hotplug_slot->info);
-	kfree(slot->hotplug_slot->name);
 	kfree(slot->hotplug_slot);
 	slot->ctrl = NULL;
 	slot->bus_on = NULL;
@@ -734,6 +736,7 @@ static int __init ebda_rsrc_controller (void)
 	struct bus_info *bus_info_ptr1, *bus_info_ptr2;
 	int rc;
 	struct slot *tmp_slot;
+	char name[SLOT_NAME_SIZE];
 
 	addr = hpc_list_ptr->phys_addr;
 	for (ctlr = 0; ctlr < hpc_list_ptr->num_ctlrs; ctlr++) {
@@ -897,12 +900,6 @@ static int __init ebda_rsrc_controller (void)
 				goto error_no_hp_info;
 			}
 
-			hp_slot_ptr->name = kmalloc(30, GFP_KERNEL);
-			if (!hp_slot_ptr->name) {
-				rc = -ENOMEM;
-				goto error_no_hp_name;
-			}
-
 			tmp_slot = kzalloc(sizeof(*tmp_slot), GFP_KERNEL);
 			if (!tmp_slot) {
 				rc = -ENOMEM;
@@ -964,10 +961,9 @@ static int __init ebda_rsrc_controller (void)
 	}			/* each hpc  */
 
 	list_for_each_entry(tmp_slot, &ibmphp_slot_head, ibm_slot_list) {
-		snprintf (tmp_slot->hotplug_slot->name, 30, "%s", create_file_name (tmp_slot));
+		snprintf(name, SLOT_NAME_SIZE, "%s", create_file_name(tmp_slot));
 		pci_hp_register(tmp_slot->hotplug_slot,
-			pci_find_bus(0, tmp_slot->bus), tmp_slot->device,
-			tmp_slot->hotplug_slot->name);
+			pci_find_bus(0, tmp_slot->bus), tmp_slot->device, name);
 	}
 
 	print_ebda_hpc ();
@@ -977,8 +973,6 @@ static int __init ebda_rsrc_controller (void)
 error:
 	kfree (hp_slot_ptr->private);
 error_no_slot:
-	kfree (hp_slot_ptr->name);
-error_no_hp_name:
 	kfree (hp_slot_ptr->info);
 error_no_hp_info:
 	kfree (hp_slot_ptr);
-- 
GitLab


From e1acb24f059defdaa0264e925f19cc21b0a3e592 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:38 -0600
Subject: [PATCH 1956/2224] PCI: pciehp: remove 'name' parameter

We do not need to manage our own name parameter, especially since
the PCI core can change it on our behalf, in the case of duplicate
slot names.

Remove 'name' from pciehp's version of struct slot, and remove
unused 'task_list' as well.

Cc: kristen.c.accardi@intel.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp.h      |  9 ++++--
 drivers/pci/hotplug/pciehp_core.c | 33 +++++++++----------
 drivers/pci/hotplug/pciehp_ctrl.c | 53 +++++++++++++++++--------------
 drivers/pci/hotplug/pciehp_hpc.c  |  1 -
 4 files changed, 52 insertions(+), 44 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index c367978bd7f..394f99852e6 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -74,15 +74,13 @@ extern struct workqueue_struct *pciehp_wq;
 struct slot {
 	u8 bus;
 	u8 device;
-	u32 number;
 	u8 state;
-	struct timer_list task_event;
 	u8 hp_slot;
+	u32 number;
 	struct controller *ctrl;
 	struct hpc_ops *hpc_ops;
 	struct hotplug_slot *hotplug_slot;
 	struct list_head	slot_list;
-	char name[SLOT_NAME_SIZE];
 	unsigned long last_emi_toggle;
 	struct delayed_work work;	/* work for button event */
 	struct mutex lock;
@@ -175,6 +173,11 @@ int pciehp_enable_slot(struct slot *p_slot);
 int pciehp_disable_slot(struct slot *p_slot);
 int pcie_enable_notification(struct controller *ctrl);
 
+static inline const char *slot_name(struct slot *slot)
+{
+	return hotplug_slot_name(slot->hotplug_slot);
+}
+
 static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
 {
 	struct slot *slot;
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index af89d7bd1ed..62be1b59c74 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -185,7 +185,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 	struct slot *slot = hotplug_slot->private;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		 __func__, hotplug_slot->name);
+		 __func__, hotplug_slot_name(hotplug_slot));
 
 	kfree(hotplug_slot->info);
 	kfree(hotplug_slot);
@@ -196,6 +196,7 @@ static int init_slots(struct controller *ctrl)
 	struct slot *slot;
 	struct hotplug_slot *hotplug_slot;
 	struct hotplug_slot_info *info;
+	char name[SLOT_NAME_SIZE];
 	int retval = -ENOMEM;
 
 	list_for_each_entry(slot, &ctrl->slot_list, slot_list) {
@@ -209,15 +210,11 @@ static int init_slots(struct controller *ctrl)
 
 		/* register this slot with the hotplug pci core */
 		hotplug_slot->info = info;
-		hotplug_slot->name = slot->name;
 		hotplug_slot->private = slot;
 		hotplug_slot->release = &release_slot;
 		hotplug_slot->ops = &pciehp_hotplug_slot_ops;
-		get_power_status(hotplug_slot, &info->power_status);
-		get_attention_status(hotplug_slot, &info->attention_status);
-		get_latch_status(hotplug_slot, &info->latch_status);
-		get_adapter_status(hotplug_slot, &info->adapter_status);
 		slot->hotplug_slot = hotplug_slot;
+		snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
 
 		ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
 			 "slot_device_offset=%x\n", slot->bus, slot->device,
@@ -225,12 +222,16 @@ static int init_slots(struct controller *ctrl)
 		retval = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
 					 slot->device,
-					 slot->name);
+					 name);
 		if (retval) {
 			ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
 				 retval);
 			goto error_info;
 		}
+		get_power_status(hotplug_slot, &info->power_status);
+		get_attention_status(hotplug_slot, &info->attention_status);
+		get_latch_status(hotplug_slot, &info->latch_status);
+		get_adapter_status(hotplug_slot, &info->adapter_status);
 		/* create additional sysfs entries */
 		if (EMI(ctrl)) {
 			retval = sysfs_create_file(&hotplug_slot->pci_slot->kobj,
@@ -273,7 +274,7 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
 	struct slot *slot = hotplug_slot->private;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		  __func__, hotplug_slot->name);
+		  __func__, slot_name(slot));
 
 	hotplug_slot->info->attention_status = status;
 
@@ -289,7 +290,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
 	struct slot *slot = hotplug_slot->private;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		 __func__, hotplug_slot->name);
+		 __func__, slot_name(slot));
 
 	return pciehp_sysfs_enable_slot(slot);
 }
@@ -300,7 +301,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 	struct slot *slot = hotplug_slot->private;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		  __func__, hotplug_slot->name);
+		  __func__, slot_name(slot));
 
 	return pciehp_sysfs_disable_slot(slot);
 }
@@ -311,7 +312,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	int retval;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		  __func__, hotplug_slot->name);
+		  __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_power_status(slot, value);
 	if (retval < 0)
@@ -326,7 +327,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	int retval;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		  __func__, hotplug_slot->name);
+		  __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_attention_status(slot, value);
 	if (retval < 0)
@@ -341,7 +342,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	int retval;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		 __func__, hotplug_slot->name);
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_latch_status(slot, value);
 	if (retval < 0)
@@ -356,7 +357,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	int retval;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		 __func__, hotplug_slot->name);
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_adapter_status(slot, value);
 	if (retval < 0)
@@ -372,7 +373,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
 	int retval;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		 __func__, hotplug_slot->name);
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_max_bus_speed(slot, value);
 	if (retval < 0)
@@ -387,7 +388,7 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe
 	int retval;
 
 	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
-		 __func__, hotplug_slot->name);
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
 	if (retval < 0)
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index acb7f9efd18..cce6e5f659e 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -66,7 +66,7 @@ u8 pciehp_handle_attention_button(struct slot *p_slot)
 	/*
 	 *  Button pressed - See if need to TAKE ACTION!!!
 	 */
-	ctrl_info(ctrl, "Button pressed on Slot(%s)\n", p_slot->name);
+	ctrl_info(ctrl, "Button pressed on Slot(%s)\n", slot_name(p_slot));
 	event_type = INT_BUTTON_PRESS;
 
 	queue_interrupt_event(p_slot, event_type);
@@ -88,13 +88,13 @@ u8 pciehp_handle_switch_change(struct slot *p_slot)
 		/*
 		 * Switch opened
 		 */
-		ctrl_info(ctrl, "Latch open on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Latch open on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_SWITCH_OPEN;
 	} else {
 		/*
 		 *  Switch closed
 		 */
-		ctrl_info(ctrl, "Latch close on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Latch close on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_SWITCH_CLOSE;
 	}
 
@@ -120,13 +120,14 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
 		/*
 		 * Card Present
 		 */
-		ctrl_info(ctrl, "Card present on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Card present on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_PRESENCE_ON;
 	} else {
 		/*
 		 * Not Present
 		 */
-		ctrl_info(ctrl, "Card not present on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Card not present on Slot(%s)\n",
+			  slot_name(p_slot));
 		event_type = INT_PRESENCE_OFF;
 	}
 
@@ -148,13 +149,13 @@ u8 pciehp_handle_power_fault(struct slot *p_slot)
 		 * power fault Cleared
 		 */
 		ctrl_info(ctrl, "Power fault cleared on Slot(%s)\n",
-			  p_slot->name);
+			  slot_name(p_slot));
 		event_type = INT_POWER_FAULT_CLEAR;
 	} else {
 		/*
 		 *   power fault
 		 */
-		ctrl_info(ctrl, "Power fault on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Power fault on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_POWER_FAULT;
 		ctrl_info(ctrl, "power fault bit %x set\n", 0);
 	}
@@ -412,12 +413,12 @@ static void handle_button_press_event(struct slot *p_slot)
 			p_slot->state = BLINKINGOFF_STATE;
 			ctrl_info(ctrl,
 				  "PCI slot #%s - powering off due to button "
-				  "press.\n", p_slot->name);
+				  "press.\n", slot_name(p_slot));
 		} else {
 			p_slot->state = BLINKINGON_STATE;
 			ctrl_info(ctrl,
 				  "PCI slot #%s - powering on due to button "
-				  "press.\n", p_slot->name);
+				  "press.\n", slot_name(p_slot));
 		}
 		/* blink green LED and turn off amber */
 		if (PWR_LED(ctrl))
@@ -434,7 +435,7 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * press the attention again before the 5 sec. limit
 		 * expires to cancel hot-add or hot-remove
 		 */
-		ctrl_info(ctrl, "Button cancel on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Button cancel on Slot(%s)\n", slot_name(p_slot));
 		ctrl_dbg(ctrl, "%s: button cancel\n", __func__);
 		cancel_delayed_work(&p_slot->work);
 		if (p_slot->state == BLINKINGOFF_STATE) {
@@ -447,7 +448,7 @@ static void handle_button_press_event(struct slot *p_slot)
 		if (ATTN_LED(ctrl))
 			p_slot->hpc_ops->set_attention_status(p_slot, 0);
 		ctrl_info(ctrl, "PCI slot #%s - action canceled "
-			  "due to button press\n", p_slot->name);
+			  "due to button press\n", slot_name(p_slot));
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWEROFF_STATE:
@@ -457,7 +458,7 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * this means that the previous attention button action
 		 * to hot-add or hot-remove is undergoing
 		 */
-		ctrl_info(ctrl, "Button ignore on Slot(%s)\n", p_slot->name);
+		ctrl_info(ctrl, "Button ignore on Slot(%s)\n", slot_name(p_slot));
 		update_slot_info(p_slot);
 		break;
 	default:
@@ -540,7 +541,7 @@ int pciehp_enable_slot(struct slot *p_slot)
 	rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
 		ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
-			  __func__, p_slot->name);
+			  __func__, slot_name(p_slot));
 		mutex_unlock(&p_slot->ctrl->crit_sect);
 		return -ENODEV;
 	}
@@ -548,7 +549,7 @@ int pciehp_enable_slot(struct slot *p_slot)
 		rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 		if (rc || getstatus) {
 			ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
-				  __func__, p_slot->name);
+				  __func__, slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -558,7 +559,7 @@ int pciehp_enable_slot(struct slot *p_slot)
 		rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (rc || getstatus) {
 			ctrl_info(ctrl, "%s: already enabled on slot(%s)\n",
-				  __func__, p_slot->name);
+				  __func__, slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -EINVAL;
 		}
@@ -594,7 +595,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 		ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 		if (ret || !getstatus) {
 			ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
-				  __func__, p_slot->name);
+				  __func__, slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -604,7 +605,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 		ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 		if (ret || getstatus) {
 			ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
-				  __func__, p_slot->name);
+				  __func__, slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -614,7 +615,7 @@ int pciehp_disable_slot(struct slot *p_slot)
 		ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (ret || !getstatus) {
 			ctrl_info(ctrl, "%s: already disabled slot(%s)\n",
-				  __func__, p_slot->name);
+				  __func__, slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -EINVAL;
 		}
@@ -645,14 +646,16 @@ int pciehp_sysfs_enable_slot(struct slot *p_slot)
 		break;
 	case POWERON_STATE:
 		ctrl_info(ctrl, "Slot %s is already in powering on state\n",
-			  p_slot->name);
+			  slot_name(p_slot));
 		break;
 	case BLINKINGOFF_STATE:
 	case POWEROFF_STATE:
-		ctrl_info(ctrl, "Already enabled on slot %s\n", p_slot->name);
+		ctrl_info(ctrl, "Already enabled on slot %s\n",
+			  slot_name(p_slot));
 		break;
 	default:
-		ctrl_err(ctrl, "Not a valid state on slot %s\n", p_slot->name);
+		ctrl_err(ctrl, "Not a valid state on slot %s\n",
+			 slot_name(p_slot));
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
@@ -678,14 +681,16 @@ int pciehp_sysfs_disable_slot(struct slot *p_slot)
 		break;
 	case POWEROFF_STATE:
 		ctrl_info(ctrl, "Slot %s is already in powering off state\n",
-			  p_slot->name);
+			  slot_name(p_slot));
 		break;
 	case BLINKINGON_STATE:
 	case POWERON_STATE:
-		ctrl_info(ctrl, "Already disabled on slot %s\n", p_slot->name);
+		ctrl_info(ctrl, "Already disabled on slot %s\n",
+			  slot_name(p_slot));
 		break;
 	default:
-		ctrl_err(ctrl, "Not a valid state on slot %s\n", p_slot->name);
+		ctrl_err(ctrl, "Not a valid state on slot %s\n",
+			 slot_name(p_slot));
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 8e9530c4c36..4c74d536d45 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -1061,7 +1061,6 @@ static int pcie_init_slot(struct controller *ctrl)
 	slot->device = ctrl->slot_device_offset + slot->hp_slot;
 	slot->hpc_ops = ctrl->hpc_ops;
 	slot->number = ctrl->first_slot;
-	snprintf(slot->name, SLOT_NAME_SIZE, "%d", slot->number);
 	mutex_init(&slot->lock);
 	INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
 	list_add(&slot->slot_list, &ctrl->slot_list);
-- 
GitLab


From b2132fecca02fa05d509ba4c8c1e51dee6ccd003 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:43 -0600
Subject: [PATCH 1957/2224] PCI: rpaphp: kmalloc/kfree slot->name directly

rpaphp tends to use slot->name directly everywhere, and doesn't
ever need slot->hotplug_slot->name.

struct hotplug_slot->name is going away, so convert rpaphp directly
manipulate its own slot->name everywhere, and don't bother touching
slot->hotplug_slot->name.

Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/rpaphp_slot.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c
index 736d3b43ed0..2ea9cf1a8d0 100644
--- a/drivers/pci/hotplug/rpaphp_slot.c
+++ b/drivers/pci/hotplug/rpaphp_slot.c
@@ -43,7 +43,7 @@ static void rpaphp_release_slot(struct hotplug_slot *hotplug_slot)
 void dealloc_slot_struct(struct slot *slot)
 {
 	kfree(slot->hotplug_slot->info);
-	kfree(slot->hotplug_slot->name);
+	kfree(slot->name);
 	kfree(slot->hotplug_slot);
 	kfree(slot);
 }
@@ -63,11 +63,9 @@ struct slot *alloc_slot_struct(struct device_node *dn,
 					   GFP_KERNEL);
 	if (!slot->hotplug_slot->info)
 		goto error_hpslot;
-	slot->hotplug_slot->name = kmalloc(strlen(drc_name) + 1, GFP_KERNEL);
-	if (!slot->hotplug_slot->name)
+	slot->name = kstrdup(drc_name, GFP_KERNEL);
+	if (!slot->name)
 		goto error_info;	
-	slot->name = slot->hotplug_slot->name;
-	strcpy(slot->name, drc_name);
 	slot->dn = dn;
 	slot->index = drc_index;
 	slot->power_domain = power_domain;
-- 
GitLab


From 85234ce86dfa62b779faa19a70364a06e3f7fc32 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:48 -0600
Subject: [PATCH 1958/2224] PCI: SGI Hotplug: stop managing
 bss_hotplug_slot->name

We no longer need to manage our version of hotplug_slot->name
since the PCI and hotplug core manage it on our behalf.

Update the sn_hp_slot_private_alloc() interface to fill in
the correct name for us, as that function already has all
the parameters needed to determine the name.

Cc: kristen.c.accardi@intel.com
Cc: jpk@sgi.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/sgi_hotplug.c | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index 6d20bbd4359..d748698e31a 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -161,7 +161,8 @@ static int sn_pci_bus_valid(struct pci_bus *pci_bus)
 }
 
 static int sn_hp_slot_private_alloc(struct hotplug_slot *bss_hotplug_slot,
-				    struct pci_bus *pci_bus, int device)
+				    struct pci_bus *pci_bus, int device,
+				    char *name)
 {
 	struct pcibus_info *pcibus_info;
 	struct slot *slot;
@@ -173,15 +174,9 @@ static int sn_hp_slot_private_alloc(struct hotplug_slot *bss_hotplug_slot,
 		return -ENOMEM;
 	bss_hotplug_slot->private = slot;
 
-	bss_hotplug_slot->name = kmalloc(SN_SLOT_NAME_SIZE, GFP_KERNEL);
-	if (!bss_hotplug_slot->name) {
-		kfree(bss_hotplug_slot->private);
-		return -ENOMEM;
-	}
-
 	slot->device_num = device;
 	slot->pci_bus = pci_bus;
-	sprintf(bss_hotplug_slot->name, "%04x:%02x:%02x",
+	sprintf(name, "%04x:%02x:%02x",
 		pci_domain_nr(pci_bus),
 		((u16)pcibus_info->pbi_buscommon.bs_persist_busnum),
 		device + 1);
@@ -608,7 +603,6 @@ static inline int get_power_status(struct hotplug_slot *bss_hotplug_slot,
 static void sn_release_slot(struct hotplug_slot *bss_hotplug_slot)
 {
 	kfree(bss_hotplug_slot->info);
-	kfree(bss_hotplug_slot->name);
 	kfree(bss_hotplug_slot->private);
 	kfree(bss_hotplug_slot);
 }
@@ -618,6 +612,7 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus)
 	int device;
 	struct pci_slot *pci_slot;
 	struct hotplug_slot *bss_hotplug_slot;
+	char name[SN_SLOT_NAME_SIZE];
 	int rc = 0;
 
 	/*
@@ -645,16 +640,14 @@ static int sn_hotplug_slot_register(struct pci_bus *pci_bus)
 		}
 
 		if (sn_hp_slot_private_alloc(bss_hotplug_slot,
-					     pci_bus, device)) {
+					     pci_bus, device, name)) {
 			rc = -ENOMEM;
 			goto alloc_err;
 		}
-
 		bss_hotplug_slot->ops = &sn_hotplug_slot_ops;
 		bss_hotplug_slot->release = &sn_release_slot;
 
-		rc = pci_hp_register(bss_hotplug_slot, pci_bus, device,
-				     bss_hotplug_slot->name);
+		rc = pci_hp_register(bss_hotplug_slot, pci_bus, device, name);
 		if (rc)
 			goto register_err;
 
-- 
GitLab


From 66f1705580f796a3f52c092e9dc92cbe5df41dd6 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:53 -0600
Subject: [PATCH 1959/2224] PCI: shcphp: remove 'name' parameter

We do not need to manage our own name parameter, especially since
the PCI core can change it on our behalf, in the case of duplicate
slot names.

Remove 'name' from shpchp's version of struct slot.

This change also removes the unused struct task_event from the
slot structure.

Cc: kristen.c.accardi@intel.com
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/shpchp.h      |  9 ++++--
 drivers/pci/hotplug/shpchp_core.c | 38 ++++++++++++------------
 drivers/pci/hotplug/shpchp_ctrl.c | 48 +++++++++++++++----------------
 3 files changed, 48 insertions(+), 47 deletions(-)

diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 8a026f750de..4d9fed00e1d 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -69,15 +69,13 @@ struct slot {
 	u8 state;
 	u8 presence_save;
 	u8 pwr_save;
-	struct timer_list task_event;
-	u8 hp_slot;
 	struct controller *ctrl;
 	struct hpc_ops *hpc_ops;
 	struct hotplug_slot *hotplug_slot;
 	struct list_head	slot_list;
-	char name[SLOT_NAME_SIZE];
 	struct delayed_work work;	/* work for button event */
 	struct mutex lock;
+	u8 hp_slot;
 };
 
 struct event_info {
@@ -169,6 +167,11 @@ extern void cleanup_slots(struct controller *ctrl);
 extern void shpchp_queue_pushbutton_work(struct work_struct *work);
 extern int shpc_init( struct controller *ctrl, struct pci_dev *pdev);
 
+static inline const char *slot_name(struct slot *slot)
+{
+	return hotplug_slot_name(slot->hotplug_slot);
+}
+
 #ifdef CONFIG_ACPI
 #include <linux/pci-acpi.h>
 static inline int get_hp_params_from_firmware(struct pci_dev *dev,
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index cfdd0796364..7af9191df4d 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -89,7 +89,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	kfree(slot->hotplug_slot->info);
 	kfree(slot->hotplug_slot);
@@ -101,6 +101,7 @@ static int init_slots(struct controller *ctrl)
 	struct slot *slot;
 	struct hotplug_slot *hotplug_slot;
 	struct hotplug_slot_info *info;
+	char name[SLOT_NAME_SIZE];
 	int retval = -ENOMEM;
 	int i;
 
@@ -119,8 +120,6 @@ static int init_slots(struct controller *ctrl)
 			goto error_hpslot;
 		hotplug_slot->info = info;
 
-		hotplug_slot->name = slot->name;
-
 		slot->hp_slot = i;
 		slot->ctrl = ctrl;
 		slot->bus = ctrl->pci_dev->subordinate->number;
@@ -133,25 +132,24 @@ static int init_slots(struct controller *ctrl)
 		/* register this slot with the hotplug pci core */
 		hotplug_slot->private = slot;
 		hotplug_slot->release = &release_slot;
-		snprintf(slot->name, SLOT_NAME_SIZE, "%d", slot->number);
+		snprintf(name, SLOT_NAME_SIZE, "%d", slot->number);
 		hotplug_slot->ops = &shpchp_hotplug_slot_ops;
 
-		get_power_status(hotplug_slot, &info->power_status);
-		get_attention_status(hotplug_slot, &info->attention_status);
-		get_latch_status(hotplug_slot, &info->latch_status);
-		get_adapter_status(hotplug_slot, &info->adapter_status);
-
 		dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
 		    "slot_device_offset=%x\n", slot->bus, slot->device,
 		    slot->hp_slot, slot->number, ctrl->slot_device_offset);
 		retval = pci_hp_register(slot->hotplug_slot,
-				ctrl->pci_dev->subordinate, slot->device,
-				hotplug_slot->name);
+				ctrl->pci_dev->subordinate, slot->device, name);
 		if (retval) {
 			err("pci_hp_register failed with error %d\n", retval);
 			goto error_info;
 		}
 
+		get_power_status(hotplug_slot, &info->power_status);
+		get_attention_status(hotplug_slot, &info->attention_status);
+		get_latch_status(hotplug_slot, &info->latch_status);
+		get_adapter_status(hotplug_slot, &info->adapter_status);
+
 		list_add(&slot->slot_list, &ctrl->slot_list);
 	}
 
@@ -189,7 +187,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	hotplug_slot->info->attention_status = status;
 	slot->hpc_ops->set_attention_status(slot, status);
@@ -201,7 +199,7 @@ static int enable_slot (struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	return shpchp_sysfs_enable_slot(slot);
 }
@@ -210,7 +208,7 @@ static int disable_slot (struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	return shpchp_sysfs_disable_slot(slot);
 }
@@ -220,7 +218,7 @@ static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_power_status(slot, value);
 	if (retval < 0)
@@ -234,7 +232,7 @@ static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_attention_status(slot, value);
 	if (retval < 0)
@@ -248,7 +246,7 @@ static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_latch_status(slot, value);
 	if (retval < 0)
@@ -262,7 +260,7 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_adapter_status(slot, value);
 	if (retval < 0)
@@ -277,7 +275,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_max_bus_speed(slot, value);
 	if (retval < 0)
@@ -291,7 +289,7 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, hotplug_slot->name);
+	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
 	if (retval < 0)
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index dfb53932dfb..919b1ee4431 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -70,7 +70,7 @@ u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
 	/*
 	 *  Button pressed - See if need to TAKE ACTION!!!
 	 */
-	info("Button pressed on Slot(%s)\n", p_slot->name);
+	info("Button pressed on Slot(%s)\n", slot_name(p_slot));
 	event_type = INT_BUTTON_PRESS;
 
 	queue_interrupt_event(p_slot, event_type);
@@ -98,7 +98,7 @@ u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
 		/*
 		 * Switch opened
 		 */
-		info("Latch open on Slot(%s)\n", p_slot->name);
+		info("Latch open on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_SWITCH_OPEN;
 		if (p_slot->pwr_save && p_slot->presence_save) {
 			event_type = INT_POWER_FAULT;
@@ -108,7 +108,7 @@ u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
 		/*
 		 *  Switch closed
 		 */
-		info("Latch close on Slot(%s)\n", p_slot->name);
+		info("Latch close on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_SWITCH_CLOSE;
 	}
 
@@ -135,13 +135,13 @@ u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
 		/*
 		 * Card Present
 		 */
-		info("Card present on Slot(%s)\n", p_slot->name);
+		info("Card present on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_PRESENCE_ON;
 	} else {
 		/*
 		 * Not Present
 		 */
-		info("Card not present on Slot(%s)\n", p_slot->name);
+		info("Card not present on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_PRESENCE_OFF;
 	}
 
@@ -164,14 +164,14 @@ u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
 		/*
 		 * Power fault Cleared
 		 */
-		info("Power fault cleared on Slot(%s)\n", p_slot->name);
+		info("Power fault cleared on Slot(%s)\n", slot_name(p_slot));
 		p_slot->status = 0x00;
 		event_type = INT_POWER_FAULT_CLEAR;
 	} else {
 		/*
 		 *   Power fault
 		 */
-		info("Power fault on Slot(%s)\n", p_slot->name);
+		info("Power fault on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_POWER_FAULT;
 		/* set power fault status for this board */
 		p_slot->status = 0xFF;
@@ -493,11 +493,11 @@ static void handle_button_press_event(struct slot *p_slot)
 		if (getstatus) {
 			p_slot->state = BLINKINGOFF_STATE;
 			info("PCI slot #%s - powering off due to button "
-			     "press.\n", p_slot->name);
+			     "press.\n", slot_name(p_slot));
 		} else {
 			p_slot->state = BLINKINGON_STATE;
 			info("PCI slot #%s - powering on due to button "
-			     "press.\n", p_slot->name);
+			     "press.\n", slot_name(p_slot));
 		}
 		/* blink green LED and turn off amber */
 		p_slot->hpc_ops->green_led_blink(p_slot);
@@ -512,7 +512,7 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * press the attention again before the 5 sec. limit
 		 * expires to cancel hot-add or hot-remove
 		 */
-		info("Button cancel on Slot(%s)\n", p_slot->name);
+		info("Button cancel on Slot(%s)\n", slot_name(p_slot));
 		dbg("%s: button cancel\n", __func__);
 		cancel_delayed_work(&p_slot->work);
 		if (p_slot->state == BLINKINGOFF_STATE)
@@ -521,7 +521,7 @@ static void handle_button_press_event(struct slot *p_slot)
 			p_slot->hpc_ops->green_led_off(p_slot);
 		p_slot->hpc_ops->set_attention_status(p_slot, 0);
 		info("PCI slot #%s - action canceled due to button press\n",
-		     p_slot->name);
+		     slot_name(p_slot));
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWEROFF_STATE:
@@ -531,7 +531,7 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * this means that the previous attention button action
 		 * to hot-add or hot-remove is undergoing
 		 */
-		info("Button ignore on Slot(%s)\n", p_slot->name);
+		info("Button ignore on Slot(%s)\n", slot_name(p_slot));
 		update_slot_info(p_slot);
 		break;
 	default:
@@ -574,17 +574,17 @@ static int shpchp_enable_slot (struct slot *p_slot)
 	mutex_lock(&p_slot->ctrl->crit_sect);
 	rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		info("No adapter on slot(%s)\n", p_slot->name);
+		info("No adapter on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 	if (rc || getstatus) {
-		info("Latch open on slot(%s)\n", p_slot->name);
+		info("Latch open on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 	if (rc || getstatus) {
-		info("Already enabled on slot(%s)\n", p_slot->name);
+		info("Already enabled on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 
@@ -633,17 +633,17 @@ static int shpchp_disable_slot (struct slot *p_slot)
 
 	rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		info("No adapter on slot(%s)\n", p_slot->name);
+		info("No adapter on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 	if (rc || getstatus) {
-		info("Latch open on slot(%s)\n", p_slot->name);
+		info("Latch open on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		info("Already disabled slot(%s)\n", p_slot->name);
+		info("Already disabled slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 
@@ -671,14 +671,14 @@ int shpchp_sysfs_enable_slot(struct slot *p_slot)
 		break;
 	case POWERON_STATE:
 		info("Slot %s is already in powering on state\n",
-		     p_slot->name);
+		     slot_name(p_slot));
 		break;
 	case BLINKINGOFF_STATE:
 	case POWEROFF_STATE:
-		info("Already enabled on slot %s\n", p_slot->name);
+		info("Already enabled on slot %s\n", slot_name(p_slot));
 		break;
 	default:
-		err("Not a valid state on slot %s\n", p_slot->name);
+		err("Not a valid state on slot %s\n", slot_name(p_slot));
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
@@ -703,14 +703,14 @@ int shpchp_sysfs_disable_slot(struct slot *p_slot)
 		break;
 	case POWEROFF_STATE:
 		info("Slot %s is already in powering off state\n",
-		     p_slot->name);
+		     slot_name(p_slot));
 		break;
 	case BLINKINGON_STATE:
 	case POWERON_STATE:
-		info("Already disabled on slot %s\n", p_slot->name);
+		info("Already disabled on slot %s\n", slot_name(p_slot));
 		break;
 	default:
-		err("Not a valid state on slot %s\n", p_slot->name);
+		err("Not a valid state on slot %s\n", slot_name(p_slot));
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
-- 
GitLab


From 58319b802a614f10f1b5238fbde7a4b2e9a60069 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:41:58 -0600
Subject: [PATCH 1960/2224] PCI: Hotplug core: remove 'name'

Now that the PCI core manages the 'name' for each individual
hotplug driver, and all drivers (except rpaphp) have been converted
to use hotplug_slot_name(), there is no need for the PCI hotplug
core to drag around its own copy of name either.

Cc: kristen.c.accardi@intel.com
Cc: matthew@wil.cx
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pci_hotplug_core.c | 6 +++---
 include/linux/pci_hotplug.h            | 3 ---
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index a6f1f282b68..535fce0f07f 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -533,7 +533,7 @@ static struct hotplug_slot *get_slot_from_name (const char *name)
 
 	list_for_each (tmp, &pci_hotplug_slot_list) {
 		slot = list_entry (tmp, struct hotplug_slot, slot_list);
-		if (strcmp(slot->name, name) == 0)
+		if (strcmp(hotplug_slot_name(slot), name) == 0)
 			return slot;
 	}
 	return NULL;
@@ -611,7 +611,7 @@ int pci_hp_deregister(struct hotplug_slot *hotplug)
 		return -ENODEV;
 
 	mutex_lock(&pci_hp_mutex);
-	temp = get_slot_from_name(hotplug->name);
+	temp = get_slot_from_name(hotplug_slot_name(hotplug));
 	if (temp != hotplug) {
 		mutex_unlock(&pci_hp_mutex);
 		return -ENODEV;
@@ -621,7 +621,7 @@ int pci_hp_deregister(struct hotplug_slot *hotplug)
 
 	slot = hotplug->pci_slot;
 	fs_remove_slot(slot);
-	dbg("Removed slot %s from the list\n", hotplug->name);
+	dbg("Removed slot %s from the list\n", hotplug_slot_name(hotplug));
 
 	hotplug->release(hotplug);
 	slot->hotplug = NULL;
diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h
index a3a3245943b..a00bd1a0f15 100644
--- a/include/linux/pci_hotplug.h
+++ b/include/linux/pci_hotplug.h
@@ -142,8 +142,6 @@ struct hotplug_slot_info {
 
 /**
  * struct hotplug_slot - used to register a physical slot with the hotplug pci core
- * @name: the name of the slot being registered.  This string must
- * be unique amoung slots registered on this system.
  * @ops: pointer to the &struct hotplug_slot_ops to be used for this slot
  * @info: pointer to the &struct hotplug_slot_info for the initial values for
  * this slot.
@@ -153,7 +151,6 @@ struct hotplug_slot_info {
  * needs.
  */
 struct hotplug_slot {
-	char				*name;
 	struct hotplug_slot_ops		*ops;
 	struct hotplug_slot_info	*info;
 	void (*release) (struct hotplug_slot *slot);
-- 
GitLab


From 0b8b0dca9aad94878adaf4520f3f12bf9813f329 Mon Sep 17 00:00:00 2001
From: Alex Chiang <achiang@hp.com>
Date: Mon, 20 Oct 2008 17:42:03 -0600
Subject: [PATCH 1961/2224] PCI Hotplug: fakephp: add duplicate slot name
 debugging

The PCI core now manages slot names on behalf of slot detection
and slot hotplug drivers, including the handling of duplicate
slot names.

We can use the fakephp driver to help test the new functionality.
Add a 'dup_slots' module param to force fakephp to create multiple
slots with the same name. We can then verify that the PCI core
correctly renamed the slots.

	sapphire:/sys/bus/pci/slots # modprobe fakephp dup_slots
	sapphire:/sys/bus/pci/slots # ls
	fake    fake-10  fake-3  fake-5  fake-7  fake-9
	fake-1  fake-2   fake-4  fake-6  fake-8

Cc: kristen.c.accardi@intel.com
Cc: matthew@wil.cx
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/fakephp.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 24dcbf13e98..3a2637a0093 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -69,6 +69,7 @@ struct dummy_slot {
 };
 
 static int debug;
+static int dup_slots;
 static LIST_HEAD(slot_list);
 static struct workqueue_struct *dummyphp_wq;
 
@@ -121,7 +122,11 @@ static int add_slot(struct pci_dev *dev)
 	if (!dslot)
 		goto error_info;
 
-	snprintf(name, SLOT_NAME_SIZE, "fake%d", count++);
+	if (dup_slots)
+		snprintf(name, SLOT_NAME_SIZE, "fake");
+	else
+		snprintf(name, SLOT_NAME_SIZE, "fake%d", count++);
+	dbg("slot->name = %s\n", name);
 	slot->ops = &dummy_hotplug_slot_ops;
 	slot->release = &dummy_release;
 	slot->private = dslot;
@@ -375,4 +380,5 @@ MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE("GPL");
 module_param(debug, bool, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
-
+module_param(dup_slots, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(dup_slots, "Force duplicate slot names for debugging");
-- 
GitLab


From a1c19894b786f10c76ac40e93c6b5d70c9b946d2 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 21 Oct 2008 10:06:29 +1100
Subject: [PATCH 1962/2224] PCI: Workaround invalid P2P bridge bus numbers

Some firmware fail to properly configure P2P bridges, leaving them
with invalid bus numbers. In some cases, this happens on some embedded
4xx boards as the result of the kernel allocating different bus space
than the firmware does to host bridges while not setting
pcibios_assign_all_busses() for various reasons. In other cases, it can
just be bogus firmware.

This adds some sanity checking to the PCI probing code. If a bridge is
found whose primary bus number doesn't match the bus it's sitting on,
or whose secondary bus number not strictly above it's primary bus
number, then the bridge bus numbers are deconfigured in the first pass
of pci_scan_bridge() to be re-assigned in the second pass.

Tested-by: "Ayman El-Khashab" <AymanE@tanisys.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/probe.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index aaaf0a1fed2..6f1e51d77bc 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -480,19 +480,27 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 	int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS);
 	u32 buses, i, j = 0;
 	u16 bctl;
+	int broken = 0;
 
 	pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses);
 
 	dev_dbg(&dev->dev, "scanning behind bridge, config %06x, pass %d\n",
 		buses & 0xffffff, pass);
 
+	/* Check if setup is sensible at all */
+	if (!pass &&
+	    ((buses & 0xff) != bus->number || ((buses >> 8) & 0xff) <= bus->number)) {
+		dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n");
+		broken = 1;
+	}
+
 	/* Disable MasterAbortMode during probing to avoid reporting
 	   of bus errors (in some architectures) */ 
 	pci_read_config_word(dev, PCI_BRIDGE_CONTROL, &bctl);
 	pci_write_config_word(dev, PCI_BRIDGE_CONTROL,
 			      bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT);
 
-	if ((buses & 0xffff00) && !pcibios_assign_all_busses() && !is_cardbus) {
+	if ((buses & 0xffff00) && !pcibios_assign_all_busses() && !is_cardbus && !broken) {
 		unsigned int cmax, busnr;
 		/*
 		 * Bus already configured by firmware, process it in the first
@@ -530,7 +538,7 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 		 * do in the second pass.
 		 */
 		if (!pass) {
-			if (pcibios_assign_all_busses())
+			if (pcibios_assign_all_busses() || broken)
 				/* Temporarily disable forwarding of the
 				   configuration cycles on all bridges in
 				   this bus segment to avoid possible
-- 
GitLab


From b84346ef74cf76793070762b933387729c5df1ed Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Wed, 22 Oct 2008 14:30:15 +0900
Subject: [PATCH 1963/2224] PCI hotplug: pciehp: fix possible memory leak in
 pcie_init

Fix the error paths in pcie_init to avoid leaking memory.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp_hpc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 4c74d536d45..4b921226f88 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -1147,11 +1147,11 @@ struct controller *pcie_init(struct pcie_device *dev)
 	if (!ctrl->cap_base) {
 		ctrl_err(ctrl, "%s: Cannot find PCI Express capability\n",
 			 __func__);
-		goto abort;
+		goto abort_ctrl;
 	}
 	if (pciehp_readl(ctrl, SLOTCAP, &slot_cap)) {
 		ctrl_err(ctrl, "%s: Cannot read SLOTCAP register\n", __func__);
-		goto abort;
+		goto abort_ctrl;
 	}
 
 	ctrl->slot_cap = slot_cap;
-- 
GitLab


From f18e9625e02bb3e5ba9e81104f14e9d904ab28c4 Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Wed, 22 Oct 2008 14:31:44 +0900
Subject: [PATCH 1964/2224] PCI hotplug: pciehp: poll data link layer link
 active

This patch adds polling mechanism for Data Link Layer Link Active bit
after turning power on, instead of waiting for 1000 msec. This reduces
reduce the unnecessary long wait.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp.h      |  1 +
 drivers/pci/hotplug/pciehp_ctrl.c |  3 --
 drivers/pci/hotplug/pciehp_hpc.c  | 55 ++++++++++++++++++++++++++++++-
 3 files changed, 55 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 394f99852e6..a4817a841fa 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -110,6 +110,7 @@ struct controller {
 	struct timer_list poll_timer;
 	int cmd_busy;
 	unsigned int no_cmd_complete:1;
+	unsigned int link_active_reporting:1;
 };
 
 #define INT_BUTTON_IGNORE		0
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index cce6e5f659e..d6c5eb29775 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -226,9 +226,6 @@ static int board_added(struct slot *p_slot)
 	if (PWR_LED(ctrl))
 		p_slot->hpc_ops->green_led_blink(p_slot);
 
-	/* Wait for ~1 second */
-	msleep(1000);
-
 	/* Check link training status */
 	retval = p_slot->hpc_ops->check_lnk_status(ctrl);
 	if (retval) {
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 4b921226f88..58c72d2cc21 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -125,6 +125,7 @@ static inline int pciehp_writel(struct controller *ctrl, int reg, u32 value)
 /* Field definitions in Link Capabilities Register */
 #define MAX_LNK_SPEED		0x000F
 #define MAX_LNK_WIDTH		0x03F0
+#define LINK_ACTIVE_REPORTING	0x00100000
 
 /* Link Width Encoding */
 #define LNK_X1		0x01
@@ -141,6 +142,7 @@ static inline int pciehp_writel(struct controller *ctrl, int reg, u32 value)
 #define LNK_TRN_ERR	0x0400
 #define	LNK_TRN		0x0800
 #define SLOT_CLK_CONF	0x1000
+#define LINK_ACTIVE	0x2000
 
 /* Field definitions in Slot Capabilities Register */
 #define ATTN_BUTTN_PRSN	0x00000001
@@ -368,11 +370,52 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
 	return retval;
 }
 
+static inline int check_link_active(struct controller *ctrl)
+{
+	u16 link_status;
+
+	if (pciehp_readw(ctrl, LNKSTATUS, &link_status))
+		return 0;
+	return !!(link_status & LINK_ACTIVE);
+}
+
+static void pcie_wait_link_active(struct controller *ctrl)
+{
+	int timeout = 1000;
+
+	if (check_link_active(ctrl))
+		return;
+	while (timeout > 0) {
+		msleep(10);
+		timeout -= 10;
+		if (check_link_active(ctrl))
+			return;
+	}
+	ctrl_dbg(ctrl, "Data Link Layer Link Active not set in 1000 msec\n");
+}
+
 static int hpc_check_lnk_status(struct controller *ctrl)
 {
 	u16 lnk_status;
 	int retval = 0;
 
+        /*
+         * Data Link Layer Link Active Reporting must be capable for
+         * hot-plug capable downstream port. But old controller might
+         * not implement it. In this case, we wait for 1000 ms.
+         */
+        if (ctrl->link_active_reporting){
+                /* Wait for Data Link Layer Link Active bit to be set */
+                pcie_wait_link_active(ctrl);
+                /*
+                 * We must wait for 100 ms after the Data Link Layer
+                 * Link Active bit reads 1b before initiating a
+                 * configuration access to the hot added device.
+                 */
+                msleep(100);
+        } else
+                msleep(1000);
+
 	retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
 	if (retval) {
 		ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
@@ -1131,7 +1174,7 @@ static inline void dbg_ctrl(struct controller *ctrl)
 struct controller *pcie_init(struct pcie_device *dev)
 {
 	struct controller *ctrl;
-	u32 slot_cap;
+	u32 slot_cap, link_cap;
 	struct pci_dev *pdev = dev->port;
 
 	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
@@ -1173,6 +1216,16 @@ struct controller *pcie_init(struct pcie_device *dev)
 	    !(POWER_CTRL(ctrl) | ATTN_LED(ctrl) | PWR_LED(ctrl) | EMI(ctrl)))
 	    ctrl->no_cmd_complete = 1;
 
+        /* Check if Data Link Layer Link Active Reporting is implemented */
+        if (pciehp_readl(ctrl, LNKCAP, &link_cap)) {
+                ctrl_err(ctrl, "%s: Cannot read LNKCAP register\n", __func__);
+                goto abort_ctrl;
+        }
+        if (link_cap & LINK_ACTIVE_REPORTING) {
+                ctrl_dbg(ctrl, "Link Active Reporting supported\n");
+                ctrl->link_active_reporting = 1;
+        }
+
 	/* Clear all remaining event bits in Slot Status register */
 	if (pciehp_writew(ctrl, SLOTSTATUS, 0x1f))
 		goto abort_ctrl;
-- 
GitLab


From 61cfc7e442c52c14e632d9af0e70779cfa04249d Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 22 Oct 2008 08:53:25 +0200
Subject: [PATCH 1965/2224] PCI: PCI_QUIRKS depends on PCI

commit 3d137310245e4cdc3e8c8ba1bea2e145a87ae8e3 ("PCI: allow quirks to be
compiled out") introduced CONFIG_PCI_QUIRKS, which now shows up in each
and every .config.  Fix this by making it depend on PCI.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 init/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/init/Kconfig b/init/Kconfig
index 113c74c07da..44e9208f9c7 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -739,7 +739,8 @@ config VM_EVENT_COUNTERS
 
 config PCI_QUIRKS
 	default y
-	bool "Enable PCI quirk workarounds" if EMBEDDED && PCI
+	bool "Enable PCI quirk workarounds" if EMBEDDED
+	depends on PCI
 	help
 	  This enables workarounds for various PCI chipset
           bugs/quirks. Disable this only if your target machine is
-- 
GitLab


From 1388cc964e680c1086ca0edae35be094cb29d51e Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 22 Oct 2008 13:39:55 +1100
Subject: [PATCH 1966/2224] PCI: don't export linux/io.h from pci.h

Move the include of io.h down into the #ifdef __KERNEL__ protected
region.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 include/linux/pci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 955ab705c05..752def8a2ef 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -18,7 +18,6 @@
 #define LINUX_PCI_H
 
 #include <linux/pci_regs.h>	/* The pci register defines */
-#include <linux/io.h>
 
 /*
  * The PCI interface treats multi-function devices as independent
@@ -52,6 +51,7 @@
 #include <linux/kobject.h>
 #include <asm/atomic.h>
 #include <linux/device.h>
+#include <linux/io.h>
 
 /* Include the ID list */
 #include <linux/pci_ids.h>
-- 
GitLab


From 05a34f51ba451c65773ad6f1acf4cc089cc474d8 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 22 Oct 2008 16:44:00 -0700
Subject: [PATCH 1967/2224] PCI hotplug: fix logic in Compaq hotplug controller
 bus speed setup

The pattern !E && !E->fld is nonsensical.  The patch below updates this
according to the assumption that && should be ||.  But perhaps another
solution was intended.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@disable and_comm@
expression E;
identifier fld;
@@

- !E && !E->fld
+ !E || !E->fld
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/cpqphp_ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
index ef041ca91c2..a60a2529099 100644
--- a/drivers/pci/hotplug/cpqphp_ctrl.c
+++ b/drivers/pci/hotplug/cpqphp_ctrl.c
@@ -1139,7 +1139,7 @@ static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_
 	for(slot = ctrl->slot; slot; slot = slot->next) {
 		if (slot->device == (hp_slot + ctrl->slot_device_offset)) 
 			continue;
-		if (!slot->hotplug_slot && !slot->hotplug_slot->info) 
+		if (!slot->hotplug_slot || !slot->hotplug_slot->info)
 			continue;
 		if (slot->hotplug_slot->info->adapter_status == 0) 
 			continue;
-- 
GitLab


From 0b15a3a5285bac2a2caa4ef970410674b6dd2de5 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Wed, 22 Oct 2008 18:47:40 -0500
Subject: [PATCH 1968/2224] 9p: fix debug build error

Fixes build problem with 9p when building with debug disabled.
Also contains some fixes for warnings which pop up when
CONFIG_NET_9P_DEBUG is disabled.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/9p.h | 2 +-
 net/9p/protocol.c   | 9 +++++++++
 net/9p/trans_fd.c   | 4 +---
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index d2c60c73619..b77c1478c99 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -56,9 +56,9 @@ enum p9_debug_flags {
 	P9_DEBUG_PKT =		(1<<10),
 };
 
+#ifdef CONFIG_NET_9P_DEBUG
 extern unsigned int p9_debug_level;
 
-#ifdef CONFIG_NET_9P_DEBUG
 #define P9_DPRINTK(level, format, arg...) \
 do {  \
 	if ((p9_debug_level & level) == level) {\
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 29be5243908..908e79faf48 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -53,6 +53,7 @@
 static int
 p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...);
 
+#ifdef CONFIG_NET_9P_DEBUG
 void
 p9pdu_dump(int way, struct p9_fcall *pdu)
 {
@@ -81,6 +82,12 @@ p9pdu_dump(int way, struct p9_fcall *pdu)
 	else
 		P9_DPRINTK(P9_DEBUG_PKT, "]]](%d) %s\n", datalen, buf);
 }
+#else
+void
+p9pdu_dump(int way, struct p9_fcall *pdu)
+{
+}
+#endif
 EXPORT_SYMBOL(p9pdu_dump);
 
 void p9stat_free(struct p9_wstat *stbuf)
@@ -542,8 +549,10 @@ int p9pdu_finalize(struct p9_fcall *pdu)
 	err = p9pdu_writef(pdu, 0, "d", size);
 	pdu->size = size;
 
+#ifdef CONFIG_NET_9P_DEBUG
 	if ((p9_debug_level & P9_DEBUG_PKT) == P9_DEBUG_PKT)
 		p9pdu_dump(0, pdu);
+#endif
 
 	P9_DPRINTK(P9_DEBUG_9P, ">>> size=%d type: %d tag: %d\n", pdu->size,
 							pdu->id, pdu->tag);
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index be65d8242fd..1df0356f242 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -678,11 +678,9 @@ static int p9_fd_request(struct p9_client *client, struct p9_req_t *req)
 
 static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
 {
-	struct p9_trans_fd *ts = client->trans;
-	struct p9_conn *m = ts->conn;
 	int ret = 1;
 
-	P9_DPRINTK(P9_DEBUG_TRANS, "mux %p req %p\n", m, req);
+	P9_DPRINTK(P9_DEBUG_TRANS, "client %p req %p\n", client, req);
 
 	spin_lock(&client->lock);
 	list_del(&req->req_list);
-- 
GitLab


From ea2e7996fc892e9becfed9145fdcefd59f697718 Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Wed, 22 Oct 2008 18:48:45 -0500
Subject: [PATCH 1969/2224] 9p: fix format warning

This patch fixes a format warning which appears on 64-bit builds.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 fs/9p/vfs_file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 041c5269228..68bf2af6c38 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -178,7 +178,7 @@ v9fs_file_read(struct file *filp, char __user *udata, size_t count,
 	int ret;
 	struct p9_fid *fid;
 
-	P9_DPRINTK(P9_DEBUG_VFS, "count %d offset %lld\n", count, *offset);
+	P9_DPRINTK(P9_DEBUG_VFS, "count %zu offset %lld\n", count, *offset);
 	fid = filp->private_data;
 
 	if (count > (fid->clnt->msize - P9_IOHDRSZ))
-- 
GitLab


From fc79d4b104f0eb8c2a7242150eaf8756ced4c344 Mon Sep 17 00:00:00 2001
From: Tom Tucker <tom@opengridcomputing.com>
Date: Wed, 22 Oct 2008 18:47:39 -0500
Subject: [PATCH 1970/2224] 9p: rdma: RDMA Transport Support for 9P

This patch implements the RDMA transport provider for 9P. It allows
mounts to be performed over iWARP and IB capable network interfaces.

Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Latchesar Ionkov <lionkov@lanl.gov>
---
 include/net/9p/client.h |   1 +
 net/9p/Kconfig          |   6 +
 net/9p/Makefile         |   4 +
 net/9p/trans_rdma.c     | 712 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 723 insertions(+)
 create mode 100644 net/9p/trans_rdma.c

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 1f17f3d9372..9fe45b32ce4 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -206,6 +206,7 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
 struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
 void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
 
+int p9_parse_header(struct p9_fcall *, int32_t *, int8_t *, int16_t *, int);
 int p9stat_read(char *, int, struct p9_wstat *, int);
 void p9stat_free(struct p9_wstat *);
 
diff --git a/net/9p/Kconfig b/net/9p/Kconfig
index ff34c5acc13..c42c0c400bf 100644
--- a/net/9p/Kconfig
+++ b/net/9p/Kconfig
@@ -20,6 +20,12 @@ config NET_9P_VIRTIO
 	  This builds support for a transports between
 	  guest partitions and a host partition.
 
+config NET_9P_RDMA
+	depends on NET_9P && INFINIBAND && EXPERIMENTAL
+	tristate "9P RDMA Transport (Experimental)"
+	help
+	  This builds support for a RDMA transport.
+
 config NET_9P_DEBUG
 	bool "Debug information"
 	depends on NET_9P
diff --git a/net/9p/Makefile b/net/9p/Makefile
index 1041b7bd12e..198a640d53a 100644
--- a/net/9p/Makefile
+++ b/net/9p/Makefile
@@ -1,5 +1,6 @@
 obj-$(CONFIG_NET_9P) := 9pnet.o
 obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
+obj-$(CONFIG_NET_9P_RDMA) += 9pnet_rdma.o
 
 9pnet-objs := \
 	mod.o \
@@ -11,3 +12,6 @@ obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
 
 9pnet_virtio-objs := \
 	trans_virtio.o \
+
+9pnet_rdma-objs := \
+	trans_rdma.o \
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
new file mode 100644
index 00000000000..8d6cc4777aa
--- /dev/null
+++ b/net/9p/trans_rdma.c
@@ -0,0 +1,712 @@
+/*
+ * linux/fs/9p/trans_rdma.c
+ *
+ * RDMA transport layer based on the trans_fd.c implementation.
+ *
+ *  Copyright (C) 2008 by Tom Tucker <tom@opengridcomputing.com>
+ *  Copyright (C) 2006 by Russ Cox <rsc@swtch.com>
+ *  Copyright (C) 2004-2005 by Latchesar Ionkov <lucho@ionkov.net>
+ *  Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com>
+ *  Copyright (C) 1997-2002 by Ron Minnich <rminnich@sarnoff.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to:
+ *  Free Software Foundation
+ *  51 Franklin Street, Fifth Floor
+ *  Boston, MA  02111-1301  USA
+ *
+ */
+
+#include <linux/in.h>
+#include <linux/module.h>
+#include <linux/net.h>
+#include <linux/ipv6.h>
+#include <linux/kthread.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/un.h>
+#include <linux/uaccess.h>
+#include <linux/inet.h>
+#include <linux/idr.h>
+#include <linux/file.h>
+#include <linux/parser.h>
+#include <linux/semaphore.h>
+#include <net/9p/9p.h>
+#include <net/9p/client.h>
+#include <net/9p/transport.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/rdma_cm.h>
+#include <rdma/ib_verbs.h>
+
+#define P9_PORT			5640
+#define P9_RDMA_SQ_DEPTH	32
+#define P9_RDMA_RQ_DEPTH	32
+#define P9_RDMA_SEND_SGE	4
+#define P9_RDMA_RECV_SGE	4
+#define P9_RDMA_IRD		0
+#define P9_RDMA_ORD		0
+#define P9_RDMA_TIMEOUT		30000		/* 30 seconds */
+#define P9_RDMA_MAXSIZE		(4*4096)	/* Min SGE is 4, so we can
+						 * safely advertise a maxsize
+						 * of 64k */
+
+#define P9_RDMA_MAX_SGE (P9_RDMA_MAXSIZE >> PAGE_SHIFT)
+/**
+ * struct p9_trans_rdma - RDMA transport instance
+ *
+ * @state: tracks the transport state machine for connection setup and tear down
+ * @cm_id: The RDMA CM ID
+ * @pd: Protection Domain pointer
+ * @qp: Queue Pair pointer
+ * @cq: Completion Queue pointer
+ * @lkey: The local access only memory region key
+ * @timeout: Number of uSecs to wait for connection management events
+ * @sq_depth: The depth of the Send Queue
+ * @sq_sem: Semaphore for the SQ
+ * @rq_depth: The depth of the Receive Queue.
+ * @addr: The remote peer's address
+ * @req_lock: Protects the active request list
+ * @send_wait: Wait list when the SQ fills up
+ * @cm_done: Completion event for connection management tracking
+ */
+struct p9_trans_rdma {
+	enum {
+		P9_RDMA_INIT,
+		P9_RDMA_ADDR_RESOLVED,
+		P9_RDMA_ROUTE_RESOLVED,
+		P9_RDMA_CONNECTED,
+		P9_RDMA_FLUSHING,
+		P9_RDMA_CLOSING,
+		P9_RDMA_CLOSED,
+	} state;
+	struct rdma_cm_id *cm_id;
+	struct ib_pd *pd;
+	struct ib_qp *qp;
+	struct ib_cq *cq;
+	struct ib_mr *dma_mr;
+	u32 lkey;
+	long timeout;
+	int sq_depth;
+	struct semaphore sq_sem;
+	int rq_depth;
+	atomic_t rq_count;
+	struct sockaddr_in addr;
+	spinlock_t req_lock;
+
+	struct completion cm_done;
+};
+
+/**
+ * p9_rdma_context - Keeps track of in-process WR
+ *
+ * @wc_op: The original WR op for when the CQE completes in error.
+ * @busa: Bus address to unmap when the WR completes
+ * @req: Keeps track of requests (send)
+ * @rc: Keepts track of replies (receive)
+ */
+struct p9_rdma_req;
+struct p9_rdma_context {
+	enum ib_wc_opcode wc_op;
+	dma_addr_t busa;
+	union {
+		struct p9_req_t *req;
+		struct p9_fcall *rc;
+	};
+};
+
+/**
+ * p9_rdma_opts - Collection of mount options
+ * @port: port of connection
+ * @sq_depth: The requested depth of the SQ. This really doesn't need
+ * to be any deeper than the number of threads used in the client
+ * @rq_depth: The depth of the RQ. Should be greater than or equal to SQ depth
+ * @timeout: Time to wait in msecs for CM events
+ */
+struct p9_rdma_opts {
+	short port;
+	int sq_depth;
+	int rq_depth;
+	long timeout;
+};
+
+/*
+ * Option Parsing (code inspired by NFS code)
+ */
+enum {
+	/* Options that take integer arguments */
+	Opt_port, Opt_rq_depth, Opt_sq_depth, Opt_timeout, Opt_err,
+};
+
+static match_table_t tokens = {
+	{Opt_port, "port=%u"},
+	{Opt_sq_depth, "sq=%u"},
+	{Opt_rq_depth, "rq=%u"},
+	{Opt_timeout, "timeout=%u"},
+	{Opt_err, NULL},
+};
+
+/**
+ * parse_options - parse mount options into session structure
+ * @options: options string passed from mount
+ * @opts: transport-specific structure to parse options into
+ *
+ * Returns 0 upon success, -ERRNO upon failure
+ */
+static int parse_opts(char *params, struct p9_rdma_opts *opts)
+{
+	char *p;
+	substring_t args[MAX_OPT_ARGS];
+	int option;
+	char *options;
+	int ret;
+
+	opts->port = P9_PORT;
+	opts->sq_depth = P9_RDMA_SQ_DEPTH;
+	opts->rq_depth = P9_RDMA_RQ_DEPTH;
+	opts->timeout = P9_RDMA_TIMEOUT;
+
+	if (!params)
+		return 0;
+
+	options = kstrdup(params, GFP_KERNEL);
+	if (!options) {
+		P9_DPRINTK(P9_DEBUG_ERROR,
+			   "failed to allocate copy of option string\n");
+		return -ENOMEM;
+	}
+
+	while ((p = strsep(&options, ",")) != NULL) {
+		int token;
+		int r;
+		if (!*p)
+			continue;
+		token = match_token(p, tokens, args);
+		r = match_int(&args[0], &option);
+		if (r < 0) {
+			P9_DPRINTK(P9_DEBUG_ERROR,
+				   "integer field, but no integer?\n");
+			ret = r;
+			continue;
+		}
+		switch (token) {
+		case Opt_port:
+			opts->port = option;
+			break;
+		case Opt_sq_depth:
+			opts->sq_depth = option;
+			break;
+		case Opt_rq_depth:
+			opts->rq_depth = option;
+			break;
+		case Opt_timeout:
+			opts->timeout = option;
+			break;
+		default:
+			continue;
+		}
+	}
+	/* RQ must be at least as large as the SQ */
+	opts->rq_depth = max(opts->rq_depth, opts->sq_depth);
+	kfree(options);
+	return 0;
+}
+
+static int
+p9_cm_event_handler(struct rdma_cm_id *id, struct rdma_cm_event *event)
+{
+	struct p9_client *c = id->context;
+	struct p9_trans_rdma *rdma = c->trans;
+	switch (event->event) {
+	case RDMA_CM_EVENT_ADDR_RESOLVED:
+		BUG_ON(rdma->state != P9_RDMA_INIT);
+		rdma->state = P9_RDMA_ADDR_RESOLVED;
+		break;
+
+	case RDMA_CM_EVENT_ROUTE_RESOLVED:
+		BUG_ON(rdma->state != P9_RDMA_ADDR_RESOLVED);
+		rdma->state = P9_RDMA_ROUTE_RESOLVED;
+		break;
+
+	case RDMA_CM_EVENT_ESTABLISHED:
+		BUG_ON(rdma->state != P9_RDMA_ROUTE_RESOLVED);
+		rdma->state = P9_RDMA_CONNECTED;
+		break;
+
+	case RDMA_CM_EVENT_DISCONNECTED:
+		if (rdma)
+			rdma->state = P9_RDMA_CLOSED;
+		if (c)
+			c->status = Disconnected;
+		break;
+
+	case RDMA_CM_EVENT_TIMEWAIT_EXIT:
+		break;
+
+	case RDMA_CM_EVENT_ADDR_CHANGE:
+	case RDMA_CM_EVENT_ROUTE_ERROR:
+	case RDMA_CM_EVENT_DEVICE_REMOVAL:
+	case RDMA_CM_EVENT_MULTICAST_JOIN:
+	case RDMA_CM_EVENT_MULTICAST_ERROR:
+	case RDMA_CM_EVENT_REJECTED:
+	case RDMA_CM_EVENT_CONNECT_REQUEST:
+	case RDMA_CM_EVENT_CONNECT_RESPONSE:
+	case RDMA_CM_EVENT_CONNECT_ERROR:
+	case RDMA_CM_EVENT_ADDR_ERROR:
+	case RDMA_CM_EVENT_UNREACHABLE:
+		c->status = Disconnected;
+		rdma_disconnect(rdma->cm_id);
+		break;
+	default:
+		BUG();
+	}
+	complete(&rdma->cm_done);
+	return 0;
+}
+
+static void
+handle_recv(struct p9_client *client, struct p9_trans_rdma *rdma,
+	    struct p9_rdma_context *c, enum ib_wc_status status, u32 byte_len)
+{
+	struct p9_req_t *req;
+	int err = 0;
+	int16_t tag;
+
+	req = NULL;
+	ib_dma_unmap_single(rdma->cm_id->device, c->busa, client->msize,
+							 DMA_FROM_DEVICE);
+
+	if (status != IB_WC_SUCCESS)
+		goto err_out;
+
+	err = p9_parse_header(c->rc, NULL, NULL, &tag, 1);
+	if (err)
+		goto err_out;
+
+	req = p9_tag_lookup(client, tag);
+	if (!req)
+		goto err_out;
+
+	req->rc = c->rc;
+	p9_client_cb(client, req);
+
+	return;
+
+ err_out:
+	P9_DPRINTK(P9_DEBUG_ERROR, "req %p err %d status %d\n",
+		   req, err, status);
+	rdma->state = P9_RDMA_FLUSHING;
+	client->status = Disconnected;
+	return;
+}
+
+static void
+handle_send(struct p9_client *client, struct p9_trans_rdma *rdma,
+	    struct p9_rdma_context *c, enum ib_wc_status status, u32 byte_len)
+{
+	ib_dma_unmap_single(rdma->cm_id->device,
+			    c->busa, c->req->tc->size,
+			    DMA_TO_DEVICE);
+}
+
+static void qp_event_handler(struct ib_event *event, void *context)
+{
+	P9_DPRINTK(P9_DEBUG_ERROR, "QP event %d context %p\n", event->event,
+								context);
+}
+
+static void cq_comp_handler(struct ib_cq *cq, void *cq_context)
+{
+	struct p9_client *client = cq_context;
+	struct p9_trans_rdma *rdma = client->trans;
+	int ret;
+	struct ib_wc wc;
+
+	ib_req_notify_cq(rdma->cq, IB_CQ_NEXT_COMP);
+	while ((ret = ib_poll_cq(cq, 1, &wc)) > 0) {
+		struct p9_rdma_context *c = (void *) (unsigned long) wc.wr_id;
+
+		switch (c->wc_op) {
+		case IB_WC_RECV:
+			atomic_dec(&rdma->rq_count);
+			handle_recv(client, rdma, c, wc.status, wc.byte_len);
+			break;
+
+		case IB_WC_SEND:
+			handle_send(client, rdma, c, wc.status, wc.byte_len);
+			up(&rdma->sq_sem);
+			break;
+
+		default:
+			printk(KERN_ERR "9prdma: unexpected completion type, "
+			       "c->wc_op=%d, wc.opcode=%d, status=%d\n",
+			       c->wc_op, wc.opcode, wc.status);
+			break;
+		}
+		kfree(c);
+	}
+}
+
+static void cq_event_handler(struct ib_event *e, void *v)
+{
+	P9_DPRINTK(P9_DEBUG_ERROR, "CQ event %d context %p\n", e->event, v);
+}
+
+static void rdma_destroy_trans(struct p9_trans_rdma *rdma)
+{
+	if (!rdma)
+		return;
+
+	if (rdma->dma_mr && !IS_ERR(rdma->dma_mr))
+		ib_dereg_mr(rdma->dma_mr);
+
+	if (rdma->qp && !IS_ERR(rdma->qp))
+		ib_destroy_qp(rdma->qp);
+
+	if (rdma->pd && !IS_ERR(rdma->pd))
+		ib_dealloc_pd(rdma->pd);
+
+	if (rdma->cq && !IS_ERR(rdma->cq))
+		ib_destroy_cq(rdma->cq);
+
+	if (rdma->cm_id && !IS_ERR(rdma->cm_id))
+		rdma_destroy_id(rdma->cm_id);
+
+	kfree(rdma);
+}
+
+static int
+post_recv(struct p9_client *client, struct p9_rdma_context *c)
+{
+	struct p9_trans_rdma *rdma = client->trans;
+	struct ib_recv_wr wr, *bad_wr;
+	struct ib_sge sge;
+
+	c->busa = ib_dma_map_single(rdma->cm_id->device,
+				    c->rc->sdata, client->msize,
+				    DMA_FROM_DEVICE);
+	if (ib_dma_mapping_error(rdma->cm_id->device, c->busa))
+		goto error;
+
+	sge.addr = c->busa;
+	sge.length = client->msize;
+	sge.lkey = rdma->lkey;
+
+	wr.next = NULL;
+	c->wc_op = IB_WC_RECV;
+	wr.wr_id = (unsigned long) c;
+	wr.sg_list = &sge;
+	wr.num_sge = 1;
+	return ib_post_recv(rdma->qp, &wr, &bad_wr);
+
+ error:
+	P9_DPRINTK(P9_DEBUG_ERROR, "EIO\n");
+	return -EIO;
+}
+
+static int rdma_request(struct p9_client *client, struct p9_req_t *req)
+{
+	struct p9_trans_rdma *rdma = client->trans;
+	struct ib_send_wr wr, *bad_wr;
+	struct ib_sge sge;
+	int err = 0;
+	unsigned long flags;
+	struct p9_rdma_context *c = NULL;
+	struct p9_rdma_context *rpl_context = NULL;
+
+	/* Allocate an fcall for the reply */
+	rpl_context = kmalloc(sizeof *rpl_context, GFP_KERNEL);
+	if (!rpl_context)
+		goto err_close;
+
+	/*
+	 * If the request has a buffer, steal it, otherwise
+	 * allocate a new one.  Typically, requests should already
+	 * have receive buffers allocated and just swap them around
+	 */
+	if (!req->rc) {
+		req->rc = kmalloc(sizeof(struct p9_fcall)+client->msize,
+								GFP_KERNEL);
+		if (req->rc) {
+			req->rc->sdata = (char *) req->rc +
+						sizeof(struct p9_fcall);
+			req->rc->capacity = client->msize;
+		}
+	}
+	rpl_context->rc = req->rc;
+	if (!rpl_context->rc) {
+		kfree(rpl_context);
+		goto err_close;
+	}
+
+	/*
+	 * Post a receive buffer for this request. We need to ensure
+	 * there is a reply buffer available for every outstanding
+	 * request. A flushed request can result in no reply for an
+	 * outstanding request, so we must keep a count to avoid
+	 * overflowing the RQ.
+	 */
+	if (atomic_inc_return(&rdma->rq_count) <= rdma->rq_depth) {
+		err = post_recv(client, rpl_context);
+		if (err) {
+			kfree(rpl_context->rc);
+			kfree(rpl_context);
+			goto err_close;
+		}
+	} else
+		atomic_dec(&rdma->rq_count);
+
+	/* remove posted receive buffer from request structure */
+	req->rc = NULL;
+
+	/* Post the request */
+	c = kmalloc(sizeof *c, GFP_KERNEL);
+	if (!c)
+		goto err_close;
+	c->req = req;
+
+	c->busa = ib_dma_map_single(rdma->cm_id->device,
+				    c->req->tc->sdata, c->req->tc->size,
+				    DMA_TO_DEVICE);
+	if (ib_dma_mapping_error(rdma->cm_id->device, c->busa))
+		goto error;
+
+	sge.addr = c->busa;
+	sge.length = c->req->tc->size;
+	sge.lkey = rdma->lkey;
+
+	wr.next = NULL;
+	c->wc_op = IB_WC_SEND;
+	wr.wr_id = (unsigned long) c;
+	wr.opcode = IB_WR_SEND;
+	wr.send_flags = IB_SEND_SIGNALED;
+	wr.sg_list = &sge;
+	wr.num_sge = 1;
+
+	if (down_interruptible(&rdma->sq_sem))
+		goto error;
+
+	return ib_post_send(rdma->qp, &wr, &bad_wr);
+
+ error:
+	P9_DPRINTK(P9_DEBUG_ERROR, "EIO\n");
+	return -EIO;
+
+ err_close:
+	spin_lock_irqsave(&rdma->req_lock, flags);
+	if (rdma->state < P9_RDMA_CLOSING) {
+		rdma->state = P9_RDMA_CLOSING;
+		spin_unlock_irqrestore(&rdma->req_lock, flags);
+		rdma_disconnect(rdma->cm_id);
+	} else
+		spin_unlock_irqrestore(&rdma->req_lock, flags);
+	return err;
+}
+
+static void rdma_close(struct p9_client *client)
+{
+	struct p9_trans_rdma *rdma;
+
+	if (!client)
+		return;
+
+	rdma = client->trans;
+	if (!rdma)
+		return;
+
+	client->status = Disconnected;
+	rdma_disconnect(rdma->cm_id);
+	rdma_destroy_trans(rdma);
+}
+
+/**
+ * alloc_rdma - Allocate and initialize the rdma transport structure
+ * @msize: MTU
+ * @dotu: Extension attribute
+ * @opts: Mount options structure
+ */
+static struct p9_trans_rdma *alloc_rdma(struct p9_rdma_opts *opts)
+{
+	struct p9_trans_rdma *rdma;
+
+	rdma = kzalloc(sizeof(struct p9_trans_rdma), GFP_KERNEL);
+	if (!rdma)
+		return NULL;
+
+	rdma->sq_depth = opts->sq_depth;
+	rdma->rq_depth = opts->rq_depth;
+	rdma->timeout = opts->timeout;
+	spin_lock_init(&rdma->req_lock);
+	init_completion(&rdma->cm_done);
+	sema_init(&rdma->sq_sem, rdma->sq_depth);
+	atomic_set(&rdma->rq_count, 0);
+
+	return rdma;
+}
+
+/* its not clear to me we can do anything after send has been posted */
+static int rdma_cancel(struct p9_client *client, struct p9_req_t *req)
+{
+	return 1;
+}
+
+/**
+ * trans_create_rdma - Transport method for creating atransport instance
+ * @client: client instance
+ * @addr: IP address string
+ * @args: Mount options string
+ */
+static int
+rdma_create_trans(struct p9_client *client, const char *addr, char *args)
+{
+	int err;
+	struct p9_rdma_opts opts;
+	struct p9_trans_rdma *rdma;
+	struct rdma_conn_param conn_param;
+	struct ib_qp_init_attr qp_attr;
+	struct ib_device_attr devattr;
+
+	/* Parse the transport specific mount options */
+	err = parse_opts(args, &opts);
+	if (err < 0)
+		return err;
+
+	/* Create and initialize the RDMA transport structure */
+	rdma = alloc_rdma(&opts);
+	if (!rdma)
+		return -ENOMEM;
+
+	/* Create the RDMA CM ID */
+	rdma->cm_id = rdma_create_id(p9_cm_event_handler, client, RDMA_PS_TCP);
+	if (IS_ERR(rdma->cm_id))
+		goto error;
+
+	/* Resolve the server's address */
+	rdma->addr.sin_family = AF_INET;
+	rdma->addr.sin_addr.s_addr = in_aton(addr);
+	rdma->addr.sin_port = htons(opts.port);
+	err = rdma_resolve_addr(rdma->cm_id, NULL,
+				(struct sockaddr *)&rdma->addr,
+				rdma->timeout);
+	if (err)
+		goto error;
+	err = wait_for_completion_interruptible(&rdma->cm_done);
+	if (err || (rdma->state != P9_RDMA_ADDR_RESOLVED))
+		goto error;
+
+	/* Resolve the route to the server */
+	err = rdma_resolve_route(rdma->cm_id, rdma->timeout);
+	if (err)
+		goto error;
+	err = wait_for_completion_interruptible(&rdma->cm_done);
+	if (err || (rdma->state != P9_RDMA_ROUTE_RESOLVED))
+		goto error;
+
+	/* Query the device attributes */
+	err = ib_query_device(rdma->cm_id->device, &devattr);
+	if (err)
+		goto error;
+
+	/* Create the Completion Queue */
+	rdma->cq = ib_create_cq(rdma->cm_id->device, cq_comp_handler,
+				cq_event_handler, client,
+				opts.sq_depth + opts.rq_depth + 1, 0);
+	if (IS_ERR(rdma->cq))
+		goto error;
+	ib_req_notify_cq(rdma->cq, IB_CQ_NEXT_COMP);
+
+	/* Create the Protection Domain */
+	rdma->pd = ib_alloc_pd(rdma->cm_id->device);
+	if (IS_ERR(rdma->pd))
+		goto error;
+
+	/* Cache the DMA lkey in the transport */
+	rdma->dma_mr = NULL;
+	if (devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
+		rdma->lkey = rdma->cm_id->device->local_dma_lkey;
+	else {
+		rdma->dma_mr = ib_get_dma_mr(rdma->pd, IB_ACCESS_LOCAL_WRITE);
+		if (IS_ERR(rdma->dma_mr))
+			goto error;
+		rdma->lkey = rdma->dma_mr->lkey;
+	}
+
+	/* Create the Queue Pair */
+	memset(&qp_attr, 0, sizeof qp_attr);
+	qp_attr.event_handler = qp_event_handler;
+	qp_attr.qp_context = client;
+	qp_attr.cap.max_send_wr = opts.sq_depth;
+	qp_attr.cap.max_recv_wr = opts.rq_depth;
+	qp_attr.cap.max_send_sge = P9_RDMA_SEND_SGE;
+	qp_attr.cap.max_recv_sge = P9_RDMA_RECV_SGE;
+	qp_attr.sq_sig_type = IB_SIGNAL_REQ_WR;
+	qp_attr.qp_type = IB_QPT_RC;
+	qp_attr.send_cq = rdma->cq;
+	qp_attr.recv_cq = rdma->cq;
+	err = rdma_create_qp(rdma->cm_id, rdma->pd, &qp_attr);
+	if (err)
+		goto error;
+	rdma->qp = rdma->cm_id->qp;
+
+	/* Request a connection */
+	memset(&conn_param, 0, sizeof(conn_param));
+	conn_param.private_data = NULL;
+	conn_param.private_data_len = 0;
+	conn_param.responder_resources = P9_RDMA_IRD;
+	conn_param.initiator_depth = P9_RDMA_ORD;
+	err = rdma_connect(rdma->cm_id, &conn_param);
+	if (err)
+		goto error;
+	err = wait_for_completion_interruptible(&rdma->cm_done);
+	if (err || (rdma->state != P9_RDMA_CONNECTED))
+		goto error;
+
+	client->trans = rdma;
+	client->status = Connected;
+
+	return 0;
+
+error:
+	rdma_destroy_trans(rdma);
+	return -ENOTCONN;
+}
+
+static struct p9_trans_module p9_rdma_trans = {
+	.name = "rdma",
+	.maxsize = P9_RDMA_MAXSIZE,
+	.def = 0,
+	.owner = THIS_MODULE,
+	.create = rdma_create_trans,
+	.close = rdma_close,
+	.request = rdma_request,
+	.cancel = rdma_cancel,
+};
+
+/**
+ * p9_trans_rdma_init - Register the 9P RDMA transport driver
+ */
+static int __init p9_trans_rdma_init(void)
+{
+	v9fs_register_trans(&p9_rdma_trans);
+	return 0;
+}
+
+static void __exit p9_trans_rdma_exit(void)
+{
+	v9fs_unregister_trans(&p9_rdma_trans);
+}
+
+module_init(p9_trans_rdma_init);
+module_exit(p9_trans_rdma_exit);
+
+MODULE_AUTHOR("Tom Tucker <tom@opengridcomputing.com>");
+MODULE_DESCRIPTION("RDMA Transport for 9P");
+MODULE_LICENSE("Dual BSD/GPL");
-- 
GitLab


From e45c5405e12c7cef93940cb7a541ab459ec0096a Mon Sep 17 00:00:00 2001
From: Eric Van Hensbergen <ericvh@gmail.com>
Date: Wed, 22 Oct 2008 18:54:47 -0500
Subject: [PATCH 1971/2224] 9p: fix sparse warnings

Several sparse warnings were introduced by patches accepted during the merge
window which weren't caught.  This patch fixes those warnings.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---
 include/net/9p/client.h |  1 +
 net/9p/client.c         |  1 +
 net/9p/protocol.c       | 24 ++++++++++++------------
 3 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 9fe45b32ce4..4012e07162e 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -182,6 +182,7 @@ struct p9_fid {
 	struct list_head dlist;	/* list of all fids attached to a dentry */
 };
 
+int p9_client_version(struct p9_client *);
 struct p9_client *p9_client_create(const char *dev_name, char *options);
 void p9_client_destroy(struct p9_client *clnt);
 void p9_client_disconnect(struct p9_client *clnt);
diff --git a/net/9p/client.c b/net/9p/client.c
index bbac2f72b4d..67717f69412 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -159,6 +159,7 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
 
 			if (!c->reqs[row]) {
 				printk(KERN_ERR "Couldn't grow tag array\n");
+				spin_unlock_irqrestore(&c->lock, flags);
 				return ERR_PTR(-ENOMEM);
 			}
 			for (col = 0; col < P9_ROW_MAXTAG; col++) {
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index 908e79faf48..dcd7666824b 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -186,7 +186,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 			}
 			break;
 		case 's':{
-				char **ptr = va_arg(ap, char **);
+				char **sptr = va_arg(ap, char **);
 				int16_t len;
 				int size;
 
@@ -196,17 +196,17 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 
 				size = MAX(len, 0);
 
-				*ptr = kmalloc(size + 1, GFP_KERNEL);
-				if (*ptr == NULL) {
+				*sptr = kmalloc(size + 1, GFP_KERNEL);
+				if (*sptr == NULL) {
 					errcode = -EFAULT;
 					break;
 				}
-				if (pdu_read(pdu, *ptr, size)) {
+				if (pdu_read(pdu, *sptr, size)) {
 					errcode = -EFAULT;
-					kfree(*ptr);
-					*ptr = NULL;
+					kfree(*sptr);
+					*sptr = NULL;
 				} else
-					(*ptr)[size] = 0;
+					(*sptr)[size] = 0;
 			}
 			break;
 		case 'Q':{
@@ -380,13 +380,13 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 			}
 			break;
 		case 's':{
-				const char *ptr = va_arg(ap, const char *);
+				const char *sptr = va_arg(ap, const char *);
 				int16_t len = 0;
-				if (ptr)
-					len = MIN(strlen(ptr), USHORT_MAX);
+				if (sptr)
+					len = MIN(strlen(sptr), USHORT_MAX);
 
 				errcode = p9pdu_writef(pdu, optional, "w", len);
-				if (!errcode && pdu_write(pdu, ptr, len))
+				if (!errcode && pdu_write(pdu, sptr, len))
 					errcode = -EFAULT;
 			}
 			break;
@@ -426,7 +426,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 		case 'U':{
 				int32_t count = va_arg(ap, int32_t);
 				const char __user *udata =
-						va_arg(ap, const void *);
+						va_arg(ap, const void __user *);
 				errcode =
 				    p9pdu_writef(pdu, optional, "d", count);
 				if (!errcode && pdu_write_u(pdu, udata, count))
-- 
GitLab


From f667fdbbbea8bcce6cf9f7acb51b7cb4c264cc61 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 20 Oct 2008 13:11:56 +0900
Subject: [PATCH 1972/2224] libata: initialize port_task when !CONFIG_ATA_SFF

ap->port_task was not initialized if !CONFIG_ATA_SFF later triggering
lockdep warning.  Make sure it's initialized.

Reported by Larry Finger.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 1ee9499bd34..bbb3cae5749 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5373,6 +5373,8 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
 
 #ifdef CONFIG_ATA_SFF
 	INIT_DELAYED_WORK(&ap->port_task, ata_pio_task);
+#else
+	INIT_DELAYED_WORK(&ap->port_task, NULL);
 #endif
 	INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);
 	INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);
-- 
GitLab


From 570106df6bdb4907ad7f70793079c762f34d561a Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 20 Oct 2008 13:10:21 +0900
Subject: [PATCH 1973/2224] libata-sff: fix ata_sff_post_internal_cmd()

ata_sff_post_internal_cmd() needs to grab port lock before calling
ata_bmdma_stop() and also need to clear hsm_task_state.  Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-sff.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 2a4c516894f..4b473948632 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2153,8 +2153,17 @@ void ata_sff_error_handler(struct ata_port *ap)
  */
 void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc)
 {
-	if (qc->ap->ioaddr.bmdma_addr)
+	struct ata_port *ap = qc->ap;
+	unsigned long flags;
+
+	spin_lock_irqsave(ap->lock, flags);
+
+	ap->hsm_task_state = HSM_ST_IDLE;
+
+	if (ap->ioaddr.bmdma_addr)
 		ata_bmdma_stop(qc);
+
+	spin_unlock_irqrestore(ap->lock, flags);
 }
 
 /**
-- 
GitLab


From 848e4c68c4695beae563f9a3d59fce596b466a74 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Tue, 21 Oct 2008 14:26:39 +0900
Subject: [PATCH 1974/2224] libata: transfer EHI control flags to slave ehc.i

ATA_EHI_NO_AUTOPSY and ATA_EHI_QUIET are used to control the behavior
of EH.  As only the master link is visible outside EH, these flags are
set only for the master link although they should also apply to the
slave link, which causes spurious EH messages during probe and
suspend/resume.

This patch transfers those two flags to slave ehc.i before performing
slave autopsy and reporting.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-eh.c | 5 +++++
 include/linux/libata.h  | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index a93247cc395..d2409a8acec 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2010,8 +2010,13 @@ void ata_eh_autopsy(struct ata_port *ap)
 		struct ata_eh_context *mehc = &ap->link.eh_context;
 		struct ata_eh_context *sehc = &ap->slave_link->eh_context;
 
+		/* transfer control flags from master to slave */
+		sehc->i.flags |= mehc->i.flags & ATA_EHI_TO_SLAVE_MASK;
+
+		/* perform autopsy on the slave link */
 		ata_eh_link_autopsy(ap->slave_link);
 
+		/* transfer actions from slave to master and clear slave */
 		ata_eh_about_to_do(ap->slave_link, NULL, ATA_EH_ALL_ACTIONS);
 		mehc->i.action		|= sehc->i.action;
 		mehc->i.dev_action[1]	|= sehc->i.dev_action[1];
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 947cf84e555..c261aa0584b 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -340,6 +340,9 @@ enum {
 
 	ATA_EHI_DID_RESET	= ATA_EHI_DID_SOFTRESET | ATA_EHI_DID_HARDRESET,
 
+	/* mask of flags to transfer *to* the slave link */
+	ATA_EHI_TO_SLAVE_MASK	= ATA_EHI_NO_AUTOPSY | ATA_EHI_QUIET,
+
 	/* max tries if error condition is still set after ->error_handler */
 	ATA_EH_MAX_TRIES	= 5,
 
-- 
GitLab


From a568d1d2e2aff4f114b087c06bfd350e945ad6cf Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Tue, 21 Oct 2008 20:37:21 +0900
Subject: [PATCH 1975/2224] libata-eh: fix slave link EH action mask handling

Slave link action mask is transferred to master link and all the EH
actions are taken by the master link.  ata_eh_about_to_do() and
ata_eh_done() are called with ATA_EH_ALL_ACTIONS to clear the slave
link actions during transfer.  This always sets ATA_PFLAG_RECOVERED
flag causing spurious "EH complete" messages.

Don't set ATA_PFLAG_RECOVERED for slave link actions.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-eh.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index d2409a8acec..7ccd0ce0e7d 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1206,7 +1206,10 @@ void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev,
 
 	ata_eh_clear_action(link, dev, ehi, action);
 
-	if (!(ehc->i.flags & ATA_EHI_QUIET))
+	/* About to take EH action, set RECOVERED.  Ignore actions on
+	 * slave links as master will do them again.
+	 */
+	if (!(ehc->i.flags & ATA_EHI_QUIET) && link != ap->slave_link)
 		ap->pflags |= ATA_PFLAG_RECOVERED;
 
 	spin_unlock_irqrestore(ap->lock, flags);
-- 
GitLab


From 816ab89782ac139a8b65147cca990822bb7e8675 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 22 Oct 2008 00:31:34 +0900
Subject: [PATCH 1976/2224] libata: set device class to NONE if phys_offline

Reset methods don't have access to phys link status for slave links
and may incorrectly indicate device presence causing unnecessary probe
failures for unoccupied links.  This patch clears device class to NONE
during post-reset processing if phys link is offline.

As on/offlineness semantics is strictly defined and used in multiple
places by the core layer, this won't change behavior for drivers which
don't use slave links.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/libata-eh.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 7ccd0ce0e7d..5d687d7cffa 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2455,14 +2455,14 @@ int ata_eh_reset(struct ata_link *link, int classify,
 		dev->pio_mode = XFER_PIO_0;
 		dev->flags &= ~ATA_DFLAG_SLEEPING;
 
-		if (ata_phys_link_offline(ata_dev_phys_link(dev)))
-			continue;
-
-		/* apply class override */
-		if (lflags & ATA_LFLAG_ASSUME_ATA)
-			classes[dev->devno] = ATA_DEV_ATA;
-		else if (lflags & ATA_LFLAG_ASSUME_SEMB)
-			classes[dev->devno] = ATA_DEV_SEMB_UNSUP; /* not yet */
+		if (!ata_phys_link_offline(ata_dev_phys_link(dev))) {
+			/* apply class override */
+			if (lflags & ATA_LFLAG_ASSUME_ATA)
+				classes[dev->devno] = ATA_DEV_ATA;
+			else if (lflags & ATA_LFLAG_ASSUME_SEMB)
+				classes[dev->devno] = ATA_DEV_SEMB_UNSUP;
+		} else
+			classes[dev->devno] = ATA_DEV_NONE;
 	}
 
 	/* record current link speed */
-- 
GitLab


From b78152e9dbab6d6175e2adcbd8c62959e8f0f922 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Wed, 22 Oct 2008 00:45:57 +0900
Subject: [PATCH 1977/2224] sata_via: load DEVICE register when CTL changes

VIA controllers clear DEVICE register when IEN changes.  Make sure
DEVICE is updated along with CTL.

This change is separated from Joseph Chan's larger patch.

  http://thread.gmane.org/gmane.linux.kernel.commits.mm/40640

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Joseph Chan <JosephChan@via.com.tw>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
 drivers/ata/sata_via.c | 35 ++++++++++++++++++++++++++++++++---
 1 file changed, 32 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 1cfa74535d9..5b72e734300 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -70,6 +70,7 @@ enum {
 static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
 static int svia_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
 static int svia_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
+static void svia_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
 static void svia_noop_freeze(struct ata_port *ap);
 static int vt6420_prereset(struct ata_link *link, unsigned long deadline);
 static int vt6421_pata_cable_detect(struct ata_port *ap);
@@ -103,21 +104,26 @@ static struct scsi_host_template svia_sht = {
 	ATA_BMDMA_SHT(DRV_NAME),
 };
 
-static struct ata_port_operations vt6420_sata_ops = {
+static struct ata_port_operations svia_base_ops = {
 	.inherits		= &ata_bmdma_port_ops,
+	.sff_tf_load		= svia_tf_load,
+};
+
+static struct ata_port_operations vt6420_sata_ops = {
+	.inherits		= &svia_base_ops,
 	.freeze			= svia_noop_freeze,
 	.prereset		= vt6420_prereset,
 };
 
 static struct ata_port_operations vt6421_pata_ops = {
-	.inherits		= &ata_bmdma_port_ops,
+	.inherits		= &svia_base_ops,
 	.cable_detect		= vt6421_pata_cable_detect,
 	.set_piomode		= vt6421_set_pio_mode,
 	.set_dmamode		= vt6421_set_dma_mode,
 };
 
 static struct ata_port_operations vt6421_sata_ops = {
-	.inherits		= &ata_bmdma_port_ops,
+	.inherits		= &svia_base_ops,
 	.scr_read		= svia_scr_read,
 	.scr_write		= svia_scr_write,
 };
@@ -168,6 +174,29 @@ static int svia_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val)
 	return 0;
 }
 
+/**
+ *	svia_tf_load - send taskfile registers to host controller
+ *	@ap: Port to which output is sent
+ *	@tf: ATA taskfile register set
+ *
+ *	Outputs ATA taskfile to standard ATA host controller.
+ *
+ *	This is to fix the internal bug of via chipsets, which will
+ *	reset the device register after changing the IEN bit on ctl
+ *	register.
+ */
+static void svia_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
+{
+	struct ata_taskfile ttf;
+
+	if (tf->ctl != ap->last_ctl)  {
+		ttf = *tf;
+		ttf.flags |= ATA_TFLAG_DEVICE;
+		tf = &ttf;
+	}
+	ata_sff_tf_load(ap, tf);
+}
+
 static void svia_noop_freeze(struct ata_port *ap)
 {
 	/* Some VIA controllers choke if ATA_NIEN is manipulated in
-- 
GitLab


From 0835f127e589f3a946add6a1f508e9402af8e70c Mon Sep 17 00:00:00 2001
From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 23 Oct 2008 11:30:10 +0900
Subject: [PATCH 1978/2224] sh: sh7785 pinmux support

This patch implements pinmux tables for the sh7785 processor.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/cpu-sh4/cpu/sh7785.h    |  234 ++++
 arch/sh/kernel/cpu/sh4a/Makefile        |    1 +
 arch/sh/kernel/cpu/sh4a/pinmux-sh7785.c | 1310 +++++++++++++++++++++++
 3 files changed, 1545 insertions(+)
 create mode 100644 arch/sh/include/cpu-sh4/cpu/sh7785.h
 create mode 100644 arch/sh/kernel/cpu/sh4a/pinmux-sh7785.c

diff --git a/arch/sh/include/cpu-sh4/cpu/sh7785.h b/arch/sh/include/cpu-sh4/cpu/sh7785.h
new file mode 100644
index 00000000000..e4006afb735
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/sh7785.h
@@ -0,0 +1,234 @@
+#ifndef __ASM_SH7785_H__
+#define __ASM_SH7785_H__
+
+enum {
+	/* PA */
+	GPIO_PA7, GPIO_PA6, GPIO_PA5, GPIO_PA4,
+	GPIO_PA3, GPIO_PA2, GPIO_PA1, GPIO_PA0,
+
+	/* PB */
+	GPIO_PB7, GPIO_PB6, GPIO_PB5, GPIO_PB4,
+	GPIO_PB3, GPIO_PB2, GPIO_PB1, GPIO_PB0,
+
+	/* PC */
+	GPIO_PC7, GPIO_PC6, GPIO_PC5, GPIO_PC4,
+	GPIO_PC3, GPIO_PC2, GPIO_PC1, GPIO_PC0,
+
+	/* PD */
+	GPIO_PD7, GPIO_PD6, GPIO_PD5, GPIO_PD4,
+	GPIO_PD3, GPIO_PD2, GPIO_PD1, GPIO_PD0,
+
+	/* PE */
+	GPIO_PE5, GPIO_PE4, GPIO_PE3, GPIO_PE2,
+	GPIO_PE1, GPIO_PE0,
+
+	/* PF */
+	GPIO_PF7, GPIO_PF6, GPIO_PF5, GPIO_PF4,
+	GPIO_PF3, GPIO_PF2, GPIO_PF1, GPIO_PF0,
+
+	/* PG */
+	GPIO_PG7, GPIO_PG6, GPIO_PG5, GPIO_PG4,
+	GPIO_PG3, GPIO_PG2, GPIO_PG1, GPIO_PG0,
+
+	/* PH */
+	GPIO_PH7, GPIO_PH6, GPIO_PH5, GPIO_PH4,
+	GPIO_PH3, GPIO_PH2, GPIO_PH1, GPIO_PH0,
+
+	/* PJ */
+	GPIO_PJ7, GPIO_PJ6, GPIO_PJ5, GPIO_PJ4,
+	GPIO_PJ3, GPIO_PJ2, GPIO_PJ1, GPIO_PJ0,
+
+	/* PK */
+	GPIO_PK7, GPIO_PK6, GPIO_PK5, GPIO_PK4,
+	GPIO_PK3, GPIO_PK2, GPIO_PK1, GPIO_PK0,
+
+	/* PL */
+	GPIO_PL7, GPIO_PL6, GPIO_PL5, GPIO_PL4,
+	GPIO_PL3, GPIO_PL2, GPIO_PL1, GPIO_PL0,
+
+	/* PM */
+	GPIO_PM1, GPIO_PM0,
+
+	/* PN */
+	GPIO_PN7, GPIO_PN6, GPIO_PN5, GPIO_PN4,
+	GPIO_PN3, GPIO_PN2, GPIO_PN1, GPIO_PN0,
+
+	/* PP */
+	GPIO_PP5, GPIO_PP4,
+	GPIO_PP3, GPIO_PP2, GPIO_PP1, GPIO_PP0,
+
+	/* PQ */
+	GPIO_PQ4,
+	GPIO_PQ3, GPIO_PQ2, GPIO_PQ1, GPIO_PQ0,
+
+	/* PR */
+	GPIO_PR3, GPIO_PR2, GPIO_PR1, GPIO_PR0,
+
+	GPIO_FN_D63_AD31,
+	GPIO_FN_D62_AD30,
+	GPIO_FN_D61_AD29,
+	GPIO_FN_D60_AD28,
+	GPIO_FN_D59_AD27,
+	GPIO_FN_D58_AD26,
+	GPIO_FN_D57_AD25,
+	GPIO_FN_D56_AD24,
+	GPIO_FN_D55_AD23,
+	GPIO_FN_D54_AD22,
+	GPIO_FN_D53_AD21,
+	GPIO_FN_D52_AD20,
+	GPIO_FN_D51_AD19,
+	GPIO_FN_D50_AD18,
+	GPIO_FN_D49_AD17_DB5,
+	GPIO_FN_D48_AD16_DB4,
+	GPIO_FN_D47_AD15_DB3,
+	GPIO_FN_D46_AD14_DB2,
+	GPIO_FN_D45_AD13_DB1,
+	GPIO_FN_D44_AD12_DB0,
+	GPIO_FN_D43_AD11_DG5,
+	GPIO_FN_D42_AD10_DG4,
+	GPIO_FN_D41_AD9_DG3,
+	GPIO_FN_D40_AD8_DG2,
+	GPIO_FN_D39_AD7_DG1,
+	GPIO_FN_D38_AD6_DG0,
+	GPIO_FN_D37_AD5_DR5,
+	GPIO_FN_D36_AD4_DR4,
+	GPIO_FN_D35_AD3_DR3,
+	GPIO_FN_D34_AD2_DR2,
+	GPIO_FN_D33_AD1_DR1,
+	GPIO_FN_D32_AD0_DR0,
+	GPIO_FN_REQ1,
+	GPIO_FN_REQ2,
+	GPIO_FN_REQ3,
+	GPIO_FN_GNT1,
+	GPIO_FN_GNT2,
+	GPIO_FN_GNT3,
+	GPIO_FN_MMCCLK,
+	GPIO_FN_D31,
+	GPIO_FN_D30,
+	GPIO_FN_D29,
+	GPIO_FN_D28,
+	GPIO_FN_D27,
+	GPIO_FN_D26,
+	GPIO_FN_D25,
+	GPIO_FN_D24,
+	GPIO_FN_D23,
+	GPIO_FN_D22,
+	GPIO_FN_D21,
+	GPIO_FN_D20,
+	GPIO_FN_D19,
+	GPIO_FN_D18,
+	GPIO_FN_D17,
+	GPIO_FN_D16,
+	GPIO_FN_SCIF1_SCK,
+	GPIO_FN_SCIF1_RXD,
+	GPIO_FN_SCIF1_TXD,
+	GPIO_FN_SCIF0_CTS,
+	GPIO_FN_INTD,
+	GPIO_FN_FCE,
+	GPIO_FN_SCIF0_RTS,
+	GPIO_FN_HSPI_CS,
+	GPIO_FN_FSE,
+	GPIO_FN_SCIF0_SCK,
+	GPIO_FN_HSPI_CLK,
+	GPIO_FN_FRE,
+	GPIO_FN_SCIF0_RXD,
+	GPIO_FN_HSPI_RX,
+	GPIO_FN_FRB,
+	GPIO_FN_SCIF0_TXD,
+	GPIO_FN_HSPI_TX,
+	GPIO_FN_FWE,
+	GPIO_FN_SCIF5_TXD,
+	GPIO_FN_HAC1_SYNC,
+	GPIO_FN_SSI1_WS,
+	GPIO_FN_SIOF_TXD_PJ,
+	GPIO_FN_HAC0_SDOUT,
+	GPIO_FN_SSI0_SDATA,
+	GPIO_FN_SIOF_RXD_PJ,
+	GPIO_FN_HAC0_SDIN,
+	GPIO_FN_SSI0_SCK,
+	GPIO_FN_SIOF_SYNC_PJ,
+	GPIO_FN_HAC0_SYNC,
+	GPIO_FN_SSI0_WS,
+	GPIO_FN_SIOF_MCLK_PJ,
+	GPIO_FN_HAC_RES,
+	GPIO_FN_SIOF_SCK_PJ,
+	GPIO_FN_HAC0_BITCLK,
+	GPIO_FN_SSI0_CLK,
+	GPIO_FN_HAC1_BITCLK,
+	GPIO_FN_SSI1_CLK,
+	GPIO_FN_TCLK,
+	GPIO_FN_IOIS16,
+	GPIO_FN_STATUS0,
+	GPIO_FN_DRAK0_PK3,
+	GPIO_FN_STATUS1,
+	GPIO_FN_DRAK1_PK2,
+	GPIO_FN_DACK2,
+	GPIO_FN_SCIF2_TXD,
+	GPIO_FN_MMCCMD,
+	GPIO_FN_SIOF_TXD_PK,
+	GPIO_FN_DACK3,
+	GPIO_FN_SCIF2_SCK,
+	GPIO_FN_MMCDAT,
+	GPIO_FN_SIOF_SCK_PK,
+	GPIO_FN_DREQ0,
+	GPIO_FN_DREQ1,
+	GPIO_FN_DRAK0_PK1,
+	GPIO_FN_DRAK1_PK0,
+	GPIO_FN_DREQ2,
+	GPIO_FN_INTB,
+	GPIO_FN_DREQ3,
+	GPIO_FN_INTC,
+	GPIO_FN_DRAK2,
+	GPIO_FN_CE2A,
+	GPIO_FN_IRL4,
+	GPIO_FN_FD4,
+	GPIO_FN_IRL5,
+	GPIO_FN_FD5,
+	GPIO_FN_IRL6,
+	GPIO_FN_FD6,
+	GPIO_FN_IRL7,
+	GPIO_FN_FD7,
+	GPIO_FN_DRAK3,
+	GPIO_FN_CE2B,
+	GPIO_FN_BREQ_BSACK,
+	GPIO_FN_BACK_BSREQ,
+	GPIO_FN_SCIF5_RXD,
+	GPIO_FN_HAC1_SDIN,
+	GPIO_FN_SSI1_SCK,
+	GPIO_FN_SCIF5_SCK,
+	GPIO_FN_HAC1_SDOUT,
+	GPIO_FN_SSI1_SDATA,
+	GPIO_FN_SCIF3_TXD,
+	GPIO_FN_FCLE,
+	GPIO_FN_SCIF3_RXD,
+	GPIO_FN_FALE,
+	GPIO_FN_SCIF3_SCK,
+	GPIO_FN_FD0,
+	GPIO_FN_SCIF4_TXD,
+	GPIO_FN_FD1,
+	GPIO_FN_SCIF4_RXD,
+	GPIO_FN_FD2,
+	GPIO_FN_SCIF4_SCK,
+	GPIO_FN_FD3,
+	GPIO_FN_DEVSEL_DCLKOUT,
+	GPIO_FN_STOP_CDE,
+	GPIO_FN_LOCK_ODDF,
+	GPIO_FN_TRDY_DISPL,
+	GPIO_FN_IRDY_HSYNC,
+	GPIO_FN_PCIFRAME_VSYNC,
+	GPIO_FN_INTA,
+	GPIO_FN_GNT0_GNTIN,
+	GPIO_FN_REQ0_REQOUT,
+	GPIO_FN_PERR,
+	GPIO_FN_SERR,
+	GPIO_FN_WE7_CBE3,
+	GPIO_FN_WE6_CBE2,
+	GPIO_FN_WE5_CBE1,
+	GPIO_FN_WE4_CBE0,
+	GPIO_FN_SCIF2_RXD,
+	GPIO_FN_SIOF_RXD,
+	GPIO_FN_MRESETOUT,
+	GPIO_FN_IRQOUT,
+};
+
+#endif /* __ASM_SH7785_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index be9a0c18595..8e344ec5847 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -30,6 +30,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o
 # Pinmux setup
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7722)	:= pinmux-sh7722.o
 pinmux-$(CONFIG_CPU_SUBTYPE_SH7723)	:= pinmux-sh7723.o
+pinmux-$(CONFIG_CPU_SUBTYPE_SH7785)	:= pinmux-sh7785.o
 
 obj-y			+= $(clock-y)
 obj-$(CONFIG_SMP)	+= $(smp-y)
diff --git a/arch/sh/kernel/cpu/sh4a/pinmux-sh7785.c b/arch/sh/kernel/cpu/sh4a/pinmux-sh7785.c
new file mode 100644
index 00000000000..5ebc25fd9b2
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/pinmux-sh7785.c
@@ -0,0 +1,1310 @@
+/*
+ * SH7785 Pinmux
+ *
+ *  Copyright (C) 2008  Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <cpu/sh7785.h>
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	PINMUX_DATA_BEGIN,
+	PA7_DATA, PA6_DATA, PA5_DATA, PA4_DATA,
+	PA3_DATA, PA2_DATA, PA1_DATA, PA0_DATA,
+	PB7_DATA, PB6_DATA, PB5_DATA, PB4_DATA,
+	PB3_DATA, PB2_DATA, PB1_DATA, PB0_DATA,
+	PC7_DATA, PC6_DATA, PC5_DATA, PC4_DATA,
+	PC3_DATA, PC2_DATA, PC1_DATA, PC0_DATA,
+	PD7_DATA, PD6_DATA, PD5_DATA, PD4_DATA,
+	PD3_DATA, PD2_DATA, PD1_DATA, PD0_DATA,
+	PE5_DATA, PE4_DATA, PE3_DATA, PE2_DATA, PE1_DATA, PE0_DATA,
+	PF7_DATA, PF6_DATA, PF5_DATA, PF4_DATA,
+	PF3_DATA, PF2_DATA, PF1_DATA, PF0_DATA,
+	PG7_DATA, PG6_DATA, PG5_DATA, PG4_DATA,
+	PG3_DATA, PG2_DATA, PG1_DATA, PG0_DATA,
+	PH7_DATA, PH6_DATA, PH5_DATA, PH4_DATA,
+	PH3_DATA, PH2_DATA, PH1_DATA, PH0_DATA,
+	PJ7_DATA, PJ6_DATA, PJ5_DATA, PJ4_DATA,
+	PJ3_DATA, PJ2_DATA, PJ1_DATA, PJ0_DATA,
+	PK7_DATA, PK6_DATA, PK5_DATA, PK4_DATA,
+	PK3_DATA, PK2_DATA, PK1_DATA, PK0_DATA,
+	PL7_DATA, PL6_DATA, PL5_DATA, PL4_DATA,
+	PL3_DATA, PL2_DATA, PL1_DATA, PL0_DATA,
+	PM1_DATA, PM0_DATA,
+	PN7_DATA, PN6_DATA, PN5_DATA, PN4_DATA,
+	PN3_DATA, PN2_DATA, PN1_DATA, PN0_DATA,
+	PP5_DATA, PP4_DATA, PP3_DATA, PP2_DATA, PP1_DATA, PP0_DATA,
+	PQ4_DATA, PQ3_DATA, PQ2_DATA, PQ1_DATA, PQ0_DATA,
+	PR3_DATA, PR2_DATA, PR1_DATA, PR0_DATA,
+	PINMUX_DATA_END,
+
+	PINMUX_INPUT_BEGIN,
+	PA7_IN, PA6_IN, PA5_IN, PA4_IN,
+	PA3_IN, PA2_IN, PA1_IN, PA0_IN,
+	PB7_IN, PB6_IN, PB5_IN, PB4_IN,
+	PB3_IN, PB2_IN, PB1_IN, PB0_IN,
+	PC7_IN, PC6_IN, PC5_IN, PC4_IN,
+	PC3_IN, PC2_IN, PC1_IN, PC0_IN,
+	PD7_IN, PD6_IN, PD5_IN, PD4_IN,
+	PD3_IN, PD2_IN, PD1_IN, PD0_IN,
+	PE5_IN, PE4_IN, PE3_IN, PE2_IN, PE1_IN, PE0_IN,
+	PF7_IN, PF6_IN, PF5_IN, PF4_IN,
+	PF3_IN, PF2_IN, PF1_IN, PF0_IN,
+	PG7_IN, PG6_IN, PG5_IN, PG4_IN,
+	PG3_IN, PG2_IN, PG1_IN, PG0_IN,
+	PH7_IN, PH6_IN, PH5_IN, PH4_IN,
+	PH3_IN, PH2_IN, PH1_IN, PH0_IN,
+	PJ7_IN, PJ6_IN, PJ5_IN, PJ4_IN,
+	PJ3_IN, PJ2_IN, PJ1_IN, PJ0_IN,
+	PK7_IN, PK6_IN, PK5_IN, PK4_IN,
+	PK3_IN, PK2_IN, PK1_IN, PK0_IN,
+	PL7_IN, PL6_IN, PL5_IN, PL4_IN,
+	PL3_IN, PL2_IN, PL1_IN, PL0_IN,
+	PM1_IN, PM0_IN,
+	PN7_IN, PN6_IN, PN5_IN, PN4_IN,
+	PN3_IN, PN2_IN, PN1_IN, PN0_IN,
+	PP5_IN, PP4_IN, PP3_IN, PP2_IN, PP1_IN, PP0_IN,
+	PQ4_IN, PQ3_IN, PQ2_IN, PQ1_IN, PQ0_IN,
+	PR3_IN, PR2_IN, PR1_IN, PR0_IN,
+	PINMUX_INPUT_END,
+
+	PINMUX_INPUT_PULLUP_BEGIN,
+	PA7_IN_PU, PA6_IN_PU, PA5_IN_PU, PA4_IN_PU,
+	PA3_IN_PU, PA2_IN_PU, PA1_IN_PU, PA0_IN_PU,
+	PB7_IN_PU, PB6_IN_PU, PB5_IN_PU, PB4_IN_PU,
+	PB3_IN_PU, PB2_IN_PU, PB1_IN_PU, PB0_IN_PU,
+	PC7_IN_PU, PC6_IN_PU, PC5_IN_PU, PC4_IN_PU,
+	PC3_IN_PU, PC2_IN_PU, PC1_IN_PU, PC0_IN_PU,
+	PD7_IN_PU, PD6_IN_PU, PD5_IN_PU, PD4_IN_PU,
+	PD3_IN_PU, PD2_IN_PU, PD1_IN_PU, PD0_IN_PU,
+	PE5_IN_PU, PE4_IN_PU, PE3_IN_PU, PE2_IN_PU, PE1_IN_PU, PE0_IN_PU,
+	PF7_IN_PU, PF6_IN_PU, PF5_IN_PU, PF4_IN_PU,
+	PF3_IN_PU, PF2_IN_PU, PF1_IN_PU, PF0_IN_PU,
+	PG7_IN_PU, PG6_IN_PU, PG5_IN_PU, PG4_IN_PU,
+	PG3_IN_PU, PG2_IN_PU, PG1_IN_PU, PG0_IN_PU,
+	PH7_IN_PU, PH6_IN_PU, PH5_IN_PU, PH4_IN_PU,
+	PH3_IN_PU, PH2_IN_PU, PH1_IN_PU, PH0_IN_PU,
+	PJ7_IN_PU, PJ6_IN_PU, PJ5_IN_PU, PJ4_IN_PU,
+	PJ3_IN_PU, PJ2_IN_PU, PJ1_IN_PU, PJ0_IN_PU,
+	PK7_IN_PU, PK6_IN_PU, PK5_IN_PU, PK4_IN_PU,
+	PK3_IN_PU, PK2_IN_PU, PK1_IN_PU, PK0_IN_PU,
+	PL7_IN_PU, PL6_IN_PU, PL5_IN_PU, PL4_IN_PU,
+	PL3_IN_PU, PL2_IN_PU, PL1_IN_PU, PL0_IN_PU,
+	PM1_IN_PU, PM0_IN_PU,
+	PN7_IN_PU, PN6_IN_PU, PN5_IN_PU, PN4_IN_PU,
+	PN3_IN_PU, PN2_IN_PU, PN1_IN_PU, PN0_IN_PU,
+	PP5_IN_PU, PP4_IN_PU, PP3_IN_PU, PP2_IN_PU, PP1_IN_PU, PP0_IN_PU,
+	PQ4_IN_PU, PQ3_IN_PU, PQ2_IN_PU, PQ1_IN_PU, PQ0_IN_PU,
+	PR3_IN_PU, PR2_IN_PU, PR1_IN_PU, PR0_IN_PU,
+	PINMUX_INPUT_PULLUP_END,
+
+	PINMUX_OUTPUT_BEGIN,
+	PA7_OUT, PA6_OUT, PA5_OUT, PA4_OUT,
+	PA3_OUT, PA2_OUT, PA1_OUT, PA0_OUT,
+	PB7_OUT, PB6_OUT, PB5_OUT, PB4_OUT,
+	PB3_OUT, PB2_OUT, PB1_OUT, PB0_OUT,
+	PC7_OUT, PC6_OUT, PC5_OUT, PC4_OUT,
+	PC3_OUT, PC2_OUT, PC1_OUT, PC0_OUT,
+	PD7_OUT, PD6_OUT, PD5_OUT, PD4_OUT,
+	PD3_OUT, PD2_OUT, PD1_OUT, PD0_OUT,
+	PE5_OUT, PE4_OUT, PE3_OUT, PE2_OUT, PE1_OUT, PE0_OUT,
+	PF7_OUT, PF6_OUT, PF5_OUT, PF4_OUT,
+	PF3_OUT, PF2_OUT, PF1_OUT, PF0_OUT,
+	PG7_OUT, PG6_OUT, PG5_OUT, PG4_OUT,
+	PG3_OUT, PG2_OUT, PG1_OUT, PG0_OUT,
+	PH7_OUT, PH6_OUT, PH5_OUT, PH4_OUT,
+	PH3_OUT, PH2_OUT, PH1_OUT, PH0_OUT,
+	PJ7_OUT, PJ6_OUT, PJ5_OUT, PJ4_OUT,
+	PJ3_OUT, PJ2_OUT, PJ1_OUT, PJ0_OUT,
+	PK7_OUT, PK6_OUT, PK5_OUT, PK4_OUT,
+	PK3_OUT, PK2_OUT, PK1_OUT, PK0_OUT,
+	PL7_OUT, PL6_OUT, PL5_OUT, PL4_OUT,
+	PL3_OUT, PL2_OUT, PL1_OUT, PL0_OUT,
+	PM1_OUT, PM0_OUT,
+	PN7_OUT, PN6_OUT, PN5_OUT, PN4_OUT,
+	PN3_OUT, PN2_OUT, PN1_OUT, PN0_OUT,
+	PP5_OUT, PP4_OUT, PP3_OUT, PP2_OUT, PP1_OUT, PP0_OUT,
+	PQ4_OUT, PQ3_OUT, PQ2_OUT, PQ1_OUT, PQ0_OUT,
+	PR3_OUT, PR2_OUT, PR1_OUT, PR0_OUT,
+	PINMUX_OUTPUT_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	PA7_FN, PA6_FN, PA5_FN, PA4_FN,
+	PA3_FN, PA2_FN, PA1_FN, PA0_FN,
+	PB7_FN, PB6_FN, PB5_FN, PB4_FN,
+	PB3_FN, PB2_FN, PB1_FN, PB0_FN,
+	PC7_FN, PC6_FN, PC5_FN, PC4_FN,
+	PC3_FN, PC2_FN, PC1_FN, PC0_FN,
+	PD7_FN, PD6_FN, PD5_FN, PD4_FN,
+	PD3_FN, PD2_FN, PD1_FN, PD0_FN,
+	PE5_FN, PE4_FN, PE3_FN, PE2_FN, PE1_FN, PE0_FN,
+	PF7_FN, PF6_FN, PF5_FN, PF4_FN,
+	PF3_FN, PF2_FN, PF1_FN, PF0_FN,
+	PG7_FN, PG6_FN, PG5_FN, PG4_FN,
+	PG3_FN, PG2_FN, PG1_FN, PG0_FN,
+	PH7_FN, PH6_FN, PH5_FN, PH4_FN,
+	PH3_FN, PH2_FN, PH1_FN, PH0_FN,
+	PJ7_FN, PJ6_FN, PJ5_FN, PJ4_FN,
+	PJ3_FN, PJ2_FN, PJ1_FN, PJ0_FN,
+	PK7_FN, PK6_FN, PK5_FN, PK4_FN,
+	PK3_FN, PK2_FN, PK1_FN, PK0_FN,
+	PL7_FN, PL6_FN, PL5_FN, PL4_FN,
+	PL3_FN, PL2_FN, PL1_FN, PL0_FN,
+	PM1_FN, PM0_FN,
+	PN7_FN, PN6_FN, PN5_FN, PN4_FN,
+	PN3_FN, PN2_FN, PN1_FN, PN0_FN,
+	PP5_FN, PP4_FN, PP3_FN, PP2_FN, PP1_FN, PP0_FN,
+	PQ4_FN, PQ3_FN, PQ2_FN, PQ1_FN, PQ0_FN,
+	PR3_FN, PR2_FN, PR1_FN, PR0_FN,
+	P1MSEL15_0, P1MSEL15_1,
+	P1MSEL14_0, P1MSEL14_1,
+	P1MSEL13_0, P1MSEL13_1,
+	P1MSEL12_0, P1MSEL12_1,
+	P1MSEL11_0, P1MSEL11_1,
+	P1MSEL10_0, P1MSEL10_1,
+	P1MSEL9_0, P1MSEL9_1,
+	P1MSEL8_0, P1MSEL8_1,
+	P1MSEL7_0, P1MSEL7_1,
+	P1MSEL6_0, P1MSEL6_1,
+	P1MSEL5_0,
+	P1MSEL4_0, P1MSEL4_1,
+	P1MSEL3_0, P1MSEL3_1,
+	P1MSEL2_0, P1MSEL2_1,
+	P1MSEL1_0, P1MSEL1_1,
+	P1MSEL0_0, P1MSEL0_1,
+	P2MSEL2_0, P2MSEL2_1,
+	P2MSEL1_0, P2MSEL1_1,
+	P2MSEL0_0, P2MSEL0_1,
+	PINMUX_FUNCTION_END,
+
+	PINMUX_MARK_BEGIN,
+	D63_AD31_MARK,
+	D62_AD30_MARK,
+	D61_AD29_MARK,
+	D60_AD28_MARK,
+	D59_AD27_MARK,
+	D58_AD26_MARK,
+	D57_AD25_MARK,
+	D56_AD24_MARK,
+	D55_AD23_MARK,
+	D54_AD22_MARK,
+	D53_AD21_MARK,
+	D52_AD20_MARK,
+	D51_AD19_MARK,
+	D50_AD18_MARK,
+	D49_AD17_DB5_MARK,
+	D48_AD16_DB4_MARK,
+	D47_AD15_DB3_MARK,
+	D46_AD14_DB2_MARK,
+	D45_AD13_DB1_MARK,
+	D44_AD12_DB0_MARK,
+	D43_AD11_DG5_MARK,
+	D42_AD10_DG4_MARK,
+	D41_AD9_DG3_MARK,
+	D40_AD8_DG2_MARK,
+	D39_AD7_DG1_MARK,
+	D38_AD6_DG0_MARK,
+	D37_AD5_DR5_MARK,
+	D36_AD4_DR4_MARK,
+	D35_AD3_DR3_MARK,
+	D34_AD2_DR2_MARK,
+	D33_AD1_DR1_MARK,
+	D32_AD0_DR0_MARK,
+	REQ1_MARK,
+	REQ2_MARK,
+	REQ3_MARK,
+	GNT1_MARK,
+	GNT2_MARK,
+	GNT3_MARK,
+	MMCCLK_MARK,
+	D31_MARK,
+	D30_MARK,
+	D29_MARK,
+	D28_MARK,
+	D27_MARK,
+	D26_MARK,
+	D25_MARK,
+	D24_MARK,
+	D23_MARK,
+	D22_MARK,
+	D21_MARK,
+	D20_MARK,
+	D19_MARK,
+	D18_MARK,
+	D17_MARK,
+	D16_MARK,
+	SCIF1_SCK_MARK,
+	SCIF1_RXD_MARK,
+	SCIF1_TXD_MARK,
+	SCIF0_CTS_MARK,
+	INTD_MARK,
+	FCE_MARK,
+	SCIF0_RTS_MARK,
+	HSPI_CS_MARK,
+	FSE_MARK,
+	SCIF0_SCK_MARK,
+	HSPI_CLK_MARK,
+	FRE_MARK,
+	SCIF0_RXD_MARK,
+	HSPI_RX_MARK,
+	FRB_MARK,
+	SCIF0_TXD_MARK,
+	HSPI_TX_MARK,
+	FWE_MARK,
+	SCIF5_TXD_MARK,
+	HAC1_SYNC_MARK,
+	SSI1_WS_MARK,
+	SIOF_TXD_PJ_MARK,
+	HAC0_SDOUT_MARK,
+	SSI0_SDATA_MARK,
+	SIOF_RXD_PJ_MARK,
+	HAC0_SDIN_MARK,
+	SSI0_SCK_MARK,
+	SIOF_SYNC_PJ_MARK,
+	HAC0_SYNC_MARK,
+	SSI0_WS_MARK,
+	SIOF_MCLK_PJ_MARK,
+	HAC_RES_MARK,
+	SIOF_SCK_PJ_MARK,
+	HAC0_BITCLK_MARK,
+	SSI0_CLK_MARK,
+	HAC1_BITCLK_MARK,
+	SSI1_CLK_MARK,
+	TCLK_MARK,
+	IOIS16_MARK,
+	STATUS0_MARK,
+	DRAK0_PK3_MARK,
+	STATUS1_MARK,
+	DRAK1_PK2_MARK,
+	DACK2_MARK,
+	SCIF2_TXD_MARK,
+	MMCCMD_MARK,
+	SIOF_TXD_PK_MARK,
+	DACK3_MARK,
+	SCIF2_SCK_MARK,
+	MMCDAT_MARK,
+	SIOF_SCK_PK_MARK,
+	DREQ0_MARK,
+	DREQ1_MARK,
+	DRAK0_PK1_MARK,
+	DRAK1_PK0_MARK,
+	DREQ2_MARK,
+	INTB_MARK,
+	DREQ3_MARK,
+	INTC_MARK,
+	DRAK2_MARK,
+	CE2A_MARK,
+	IRL4_MARK,
+	FD4_MARK,
+	IRL5_MARK,
+	FD5_MARK,
+	IRL6_MARK,
+	FD6_MARK,
+	IRL7_MARK,
+	FD7_MARK,
+	DRAK3_MARK,
+	CE2B_MARK,
+	BREQ_BSACK_MARK,
+	BACK_BSREQ_MARK,
+	SCIF5_RXD_MARK,
+	HAC1_SDIN_MARK,
+	SSI1_SCK_MARK,
+	SCIF5_SCK_MARK,
+	HAC1_SDOUT_MARK,
+	SSI1_SDATA_MARK,
+	SCIF3_TXD_MARK,
+	FCLE_MARK,
+	SCIF3_RXD_MARK,
+	FALE_MARK,
+	SCIF3_SCK_MARK,
+	FD0_MARK,
+	SCIF4_TXD_MARK,
+	FD1_MARK,
+	SCIF4_RXD_MARK,
+	FD2_MARK,
+	SCIF4_SCK_MARK,
+	FD3_MARK,
+	DEVSEL_DCLKOUT_MARK,
+	STOP_CDE_MARK,
+	LOCK_ODDF_MARK,
+	TRDY_DISPL_MARK,
+	IRDY_HSYNC_MARK,
+	PCIFRAME_VSYNC_MARK,
+	INTA_MARK,
+	GNT0_GNTIN_MARK,
+	REQ0_REQOUT_MARK,
+	PERR_MARK,
+	SERR_MARK,
+	WE7_CBE3_MARK,
+	WE6_CBE2_MARK,
+	WE5_CBE1_MARK,
+	WE4_CBE0_MARK,
+	SCIF2_RXD_MARK,
+	SIOF_RXD_MARK,
+	MRESETOUT_MARK,
+	IRQOUT_MARK,
+	PINMUX_MARK_END,
+};
+
+static pinmux_enum_t pinmux_data[] = {
+
+	/* PA GPIO */
+	PINMUX_DATA(PA7_DATA, PA7_IN, PA7_OUT, PA7_IN_PU),
+	PINMUX_DATA(PA6_DATA, PA6_IN, PA6_OUT, PA6_IN_PU),
+	PINMUX_DATA(PA5_DATA, PA5_IN, PA5_OUT, PA5_IN_PU),
+	PINMUX_DATA(PA4_DATA, PA4_IN, PA4_OUT, PA4_IN_PU),
+	PINMUX_DATA(PA3_DATA, PA3_IN, PA3_OUT, PA3_IN_PU),
+	PINMUX_DATA(PA2_DATA, PA2_IN, PA2_OUT, PA2_IN_PU),
+	PINMUX_DATA(PA1_DATA, PA1_IN, PA1_OUT, PA1_IN_PU),
+	PINMUX_DATA(PA0_DATA, PA0_IN, PA0_OUT, PA0_IN_PU),
+
+	/* PB GPIO */
+	PINMUX_DATA(PB7_DATA, PB7_IN, PB7_OUT, PB7_IN_PU),
+	PINMUX_DATA(PB6_DATA, PB6_IN, PB6_OUT, PB6_IN_PU),
+	PINMUX_DATA(PB5_DATA, PB5_IN, PB5_OUT, PB5_IN_PU),
+	PINMUX_DATA(PB4_DATA, PB4_IN, PB4_OUT, PB4_IN_PU),
+	PINMUX_DATA(PB3_DATA, PB3_IN, PB3_OUT, PB3_IN_PU),
+	PINMUX_DATA(PB2_DATA, PB2_IN, PB2_OUT, PB2_IN_PU),
+	PINMUX_DATA(PB1_DATA, PB1_IN, PB1_OUT, PB1_IN_PU),
+	PINMUX_DATA(PB0_DATA, PB0_IN, PB0_OUT, PB0_IN_PU),
+
+	/* PC GPIO */
+	PINMUX_DATA(PC7_DATA, PC7_IN, PC7_OUT, PC7_IN_PU),
+	PINMUX_DATA(PC6_DATA, PC6_IN, PC6_OUT, PC6_IN_PU),
+	PINMUX_DATA(PC5_DATA, PC5_IN, PC5_OUT, PC5_IN_PU),
+	PINMUX_DATA(PC4_DATA, PC4_IN, PC4_OUT, PC4_IN_PU),
+	PINMUX_DATA(PC3_DATA, PC3_IN, PC3_OUT, PC3_IN_PU),
+	PINMUX_DATA(PC2_DATA, PC2_IN, PC2_OUT, PC2_IN_PU),
+	PINMUX_DATA(PC1_DATA, PC1_IN, PC1_OUT, PC1_IN_PU),
+	PINMUX_DATA(PC0_DATA, PC0_IN, PC0_OUT, PC0_IN_PU),
+
+	/* PD GPIO */
+	PINMUX_DATA(PD7_DATA, PD7_IN, PD7_OUT, PD7_IN_PU),
+	PINMUX_DATA(PD6_DATA, PD6_IN, PD6_OUT, PD6_IN_PU),
+	PINMUX_DATA(PD5_DATA, PD5_IN, PD5_OUT, PD5_IN_PU),
+	PINMUX_DATA(PD4_DATA, PD4_IN, PD4_OUT, PD4_IN_PU),
+	PINMUX_DATA(PD3_DATA, PD3_IN, PD3_OUT, PD3_IN_PU),
+	PINMUX_DATA(PD2_DATA, PD2_IN, PD2_OUT, PD2_IN_PU),
+	PINMUX_DATA(PD1_DATA, PD1_IN, PD1_OUT, PD1_IN_PU),
+	PINMUX_DATA(PD0_DATA, PD0_IN, PD0_OUT, PD0_IN_PU),
+
+	/* PE GPIO */
+	PINMUX_DATA(PE5_DATA, PE5_IN, PE5_OUT, PE5_IN_PU),
+	PINMUX_DATA(PE4_DATA, PE4_IN, PE4_OUT, PE4_IN_PU),
+	PINMUX_DATA(PE3_DATA, PE3_IN, PE3_OUT, PE3_IN_PU),
+	PINMUX_DATA(PE2_DATA, PE2_IN, PE2_OUT, PE2_IN_PU),
+	PINMUX_DATA(PE1_DATA, PE1_IN, PE1_OUT, PE1_IN_PU),
+	PINMUX_DATA(PE0_DATA, PE0_IN, PE0_OUT, PE0_IN_PU),
+
+	/* PF GPIO */
+	PINMUX_DATA(PF7_DATA, PF7_IN, PF7_OUT, PF7_IN_PU),
+	PINMUX_DATA(PF6_DATA, PF6_IN, PF6_OUT, PF6_IN_PU),
+	PINMUX_DATA(PF5_DATA, PF5_IN, PF5_OUT, PF5_IN_PU),
+	PINMUX_DATA(PF4_DATA, PF4_IN, PF4_OUT, PF4_IN_PU),
+	PINMUX_DATA(PF3_DATA, PF3_IN, PF3_OUT, PF3_IN_PU),
+	PINMUX_DATA(PF2_DATA, PF2_IN, PF2_OUT, PF2_IN_PU),
+	PINMUX_DATA(PF1_DATA, PF1_IN, PF1_OUT, PF1_IN_PU),
+	PINMUX_DATA(PF0_DATA, PF0_IN, PF0_OUT, PF0_IN_PU),
+
+	/* PG GPIO */
+	PINMUX_DATA(PG7_DATA, PG7_IN, PG7_OUT, PG7_IN_PU),
+	PINMUX_DATA(PG6_DATA, PG6_IN, PG6_OUT, PG6_IN_PU),
+	PINMUX_DATA(PG5_DATA, PG5_IN, PG5_OUT, PG5_IN_PU),
+	PINMUX_DATA(PG4_DATA, PG4_IN, PG4_OUT, PG4_IN_PU),
+	PINMUX_DATA(PG3_DATA, PG3_IN, PG3_OUT, PG3_IN_PU),
+	PINMUX_DATA(PG2_DATA, PG2_IN, PG2_OUT, PG2_IN_PU),
+	PINMUX_DATA(PG1_DATA, PG1_IN, PG1_OUT, PG1_IN_PU),
+	PINMUX_DATA(PG0_DATA, PG0_IN, PG0_OUT, PG0_IN_PU),
+
+	/* PH GPIO */
+	PINMUX_DATA(PH7_DATA, PH7_IN, PH7_OUT, PH7_IN_PU),
+	PINMUX_DATA(PH6_DATA, PH6_IN, PH6_OUT, PH6_IN_PU),
+	PINMUX_DATA(PH5_DATA, PH5_IN, PH5_OUT, PH5_IN_PU),
+	PINMUX_DATA(PH4_DATA, PH4_IN, PH4_OUT, PH4_IN_PU),
+	PINMUX_DATA(PH3_DATA, PH3_IN, PH3_OUT, PH3_IN_PU),
+	PINMUX_DATA(PH2_DATA, PH2_IN, PH2_OUT, PH2_IN_PU),
+	PINMUX_DATA(PH1_DATA, PH1_IN, PH1_OUT, PH1_IN_PU),
+	PINMUX_DATA(PH0_DATA, PH0_IN, PH0_OUT, PH0_IN_PU),
+
+	/* PJ GPIO */
+	PINMUX_DATA(PJ7_DATA, PJ7_IN, PJ7_OUT, PJ7_IN_PU),
+	PINMUX_DATA(PJ6_DATA, PJ6_IN, PJ6_OUT, PJ6_IN_PU),
+	PINMUX_DATA(PJ5_DATA, PJ5_IN, PJ5_OUT, PJ5_IN_PU),
+	PINMUX_DATA(PJ4_DATA, PJ4_IN, PJ4_OUT, PJ4_IN_PU),
+	PINMUX_DATA(PJ3_DATA, PJ3_IN, PJ3_OUT, PJ3_IN_PU),
+	PINMUX_DATA(PJ2_DATA, PJ2_IN, PJ2_OUT, PJ2_IN_PU),
+	PINMUX_DATA(PJ1_DATA, PJ1_IN, PJ1_OUT, PJ1_IN_PU),
+	PINMUX_DATA(PJ0_DATA, PJ0_IN, PJ0_OUT, PJ0_IN_PU),
+
+	/* PK GPIO */
+	PINMUX_DATA(PK7_DATA, PK7_IN, PK7_OUT, PK7_IN_PU),
+	PINMUX_DATA(PK6_DATA, PK6_IN, PK6_OUT, PK6_IN_PU),
+	PINMUX_DATA(PK5_DATA, PK5_IN, PK5_OUT, PK5_IN_PU),
+	PINMUX_DATA(PK4_DATA, PK4_IN, PK4_OUT, PK4_IN_PU),
+	PINMUX_DATA(PK3_DATA, PK3_IN, PK3_OUT, PK3_IN_PU),
+	PINMUX_DATA(PK2_DATA, PK2_IN, PK2_OUT, PK2_IN_PU),
+	PINMUX_DATA(PK1_DATA, PK1_IN, PK1_OUT, PK1_IN_PU),
+	PINMUX_DATA(PK0_DATA, PK0_IN, PK0_OUT, PK0_IN_PU),
+
+	/* PL GPIO */
+	PINMUX_DATA(PL7_DATA, PL7_IN, PL7_OUT, PL7_IN_PU),
+	PINMUX_DATA(PL6_DATA, PL6_IN, PL6_OUT, PL6_IN_PU),
+	PINMUX_DATA(PL5_DATA, PL5_IN, PL5_OUT, PL5_IN_PU),
+	PINMUX_DATA(PL4_DATA, PL4_IN, PL4_OUT, PL4_IN_PU),
+	PINMUX_DATA(PL3_DATA, PL3_IN, PL3_OUT, PL3_IN_PU),
+	PINMUX_DATA(PL2_DATA, PL2_IN, PL2_OUT, PL2_IN_PU),
+	PINMUX_DATA(PL1_DATA, PL1_IN, PL1_OUT, PL1_IN_PU),
+	PINMUX_DATA(PL0_DATA, PL0_IN, PL0_OUT, PL0_IN_PU),
+
+	/* PM GPIO */
+	PINMUX_DATA(PM1_DATA, PM1_IN, PM1_OUT, PM1_IN_PU),
+	PINMUX_DATA(PM0_DATA, PM0_IN, PM0_OUT, PM0_IN_PU),
+
+	/* PN GPIO */
+	PINMUX_DATA(PN7_DATA, PN7_IN, PN7_OUT, PN7_IN_PU),
+	PINMUX_DATA(PN6_DATA, PN6_IN, PN6_OUT, PN6_IN_PU),
+	PINMUX_DATA(PN5_DATA, PN5_IN, PN5_OUT, PN5_IN_PU),
+	PINMUX_DATA(PN4_DATA, PN4_IN, PN4_OUT, PN4_IN_PU),
+	PINMUX_DATA(PN3_DATA, PN3_IN, PN3_OUT, PN3_IN_PU),
+	PINMUX_DATA(PN2_DATA, PN2_IN, PN2_OUT, PN2_IN_PU),
+	PINMUX_DATA(PN1_DATA, PN1_IN, PN1_OUT, PN1_IN_PU),
+	PINMUX_DATA(PN0_DATA, PN0_IN, PN0_OUT, PN0_IN_PU),
+
+	/* PP GPIO */
+	PINMUX_DATA(PP5_DATA, PP5_IN, PP5_OUT, PP5_IN_PU),
+	PINMUX_DATA(PP4_DATA, PP4_IN, PP4_OUT, PP4_IN_PU),
+	PINMUX_DATA(PP3_DATA, PP3_IN, PP3_OUT, PP3_IN_PU),
+	PINMUX_DATA(PP2_DATA, PP2_IN, PP2_OUT, PP2_IN_PU),
+	PINMUX_DATA(PP1_DATA, PP1_IN, PP1_OUT, PP1_IN_PU),
+	PINMUX_DATA(PP0_DATA, PP0_IN, PP0_OUT, PP0_IN_PU),
+
+	/* PQ GPIO */
+	PINMUX_DATA(PQ4_DATA, PQ4_IN, PQ4_OUT, PQ4_IN_PU),
+	PINMUX_DATA(PQ3_DATA, PQ3_IN, PQ3_OUT, PQ3_IN_PU),
+	PINMUX_DATA(PQ2_DATA, PQ2_IN, PQ2_OUT, PQ2_IN_PU),
+	PINMUX_DATA(PQ1_DATA, PQ1_IN, PQ1_OUT, PQ1_IN_PU),
+	PINMUX_DATA(PQ0_DATA, PQ0_IN, PQ0_OUT, PQ0_IN_PU),
+
+	/* PR GPIO */
+	PINMUX_DATA(PR3_DATA, PR3_IN, PR3_OUT, PR3_IN_PU),
+	PINMUX_DATA(PR2_DATA, PR2_IN, PR2_OUT, PR2_IN_PU),
+	PINMUX_DATA(PR1_DATA, PR1_IN, PR1_OUT, PR1_IN_PU),
+	PINMUX_DATA(PR0_DATA, PR0_IN, PR0_OUT, PR0_IN_PU),
+
+	/* PA FN */
+	PINMUX_DATA(D63_AD31_MARK, PA7_FN),
+	PINMUX_DATA(D62_AD30_MARK, PA6_FN),
+	PINMUX_DATA(D61_AD29_MARK, PA5_FN),
+	PINMUX_DATA(D60_AD28_MARK, PA4_FN),
+	PINMUX_DATA(D59_AD27_MARK, PA3_FN),
+	PINMUX_DATA(D58_AD26_MARK, PA2_FN),
+	PINMUX_DATA(D57_AD25_MARK, PA1_FN),
+	PINMUX_DATA(D56_AD24_MARK, PA0_FN),
+
+	/* PB FN */
+	PINMUX_DATA(D55_AD23_MARK, PB7_FN),
+	PINMUX_DATA(D54_AD22_MARK, PB6_FN),
+	PINMUX_DATA(D53_AD21_MARK, PB5_FN),
+	PINMUX_DATA(D52_AD20_MARK, PB4_FN),
+	PINMUX_DATA(D51_AD19_MARK, PB3_FN),
+	PINMUX_DATA(D50_AD18_MARK, PB2_FN),
+	PINMUX_DATA(D49_AD17_DB5_MARK, PB1_FN),
+	PINMUX_DATA(D48_AD16_DB4_MARK, PB0_FN),
+
+	/* PC FN */
+	PINMUX_DATA(D47_AD15_DB3_MARK, PC7_FN),
+	PINMUX_DATA(D46_AD14_DB2_MARK, PC6_FN),
+	PINMUX_DATA(D45_AD13_DB1_MARK, PC5_FN),
+	PINMUX_DATA(D44_AD12_DB0_MARK, PC4_FN),
+	PINMUX_DATA(D43_AD11_DG5_MARK, PC3_FN),
+	PINMUX_DATA(D42_AD10_DG4_MARK, PC2_FN),
+	PINMUX_DATA(D41_AD9_DG3_MARK, PC1_FN),
+	PINMUX_DATA(D40_AD8_DG2_MARK, PC0_FN),
+
+	/* PD FN */
+	PINMUX_DATA(D39_AD7_DG1_MARK, PD7_FN),
+	PINMUX_DATA(D38_AD6_DG0_MARK, PD6_FN),
+	PINMUX_DATA(D37_AD5_DR5_MARK, PD5_FN),
+	PINMUX_DATA(D36_AD4_DR4_MARK, PD4_FN),
+	PINMUX_DATA(D35_AD3_DR3_MARK, PD3_FN),
+	PINMUX_DATA(D34_AD2_DR2_MARK, PD2_FN),
+	PINMUX_DATA(D33_AD1_DR1_MARK, PD1_FN),
+	PINMUX_DATA(D32_AD0_DR0_MARK, PD0_FN),
+
+	/* PE FN */
+	PINMUX_DATA(REQ1_MARK, PE5_FN),
+	PINMUX_DATA(REQ2_MARK, PE4_FN),
+	PINMUX_DATA(REQ3_MARK, P2MSEL0_0, PE3_FN),
+	PINMUX_DATA(GNT1_MARK, PE2_FN),
+	PINMUX_DATA(GNT2_MARK, PE1_FN),
+	PINMUX_DATA(GNT3_MARK, P2MSEL0_0, PE0_FN),
+	PINMUX_DATA(MMCCLK_MARK, P2MSEL0_1, PE0_FN),
+
+	/* PF FN */
+	PINMUX_DATA(D31_MARK, PF7_FN),
+	PINMUX_DATA(D30_MARK, PF6_FN),
+	PINMUX_DATA(D29_MARK, PF5_FN),
+	PINMUX_DATA(D28_MARK, PF4_FN),
+	PINMUX_DATA(D27_MARK, PF3_FN),
+	PINMUX_DATA(D26_MARK, PF2_FN),
+	PINMUX_DATA(D25_MARK, PF1_FN),
+	PINMUX_DATA(D24_MARK, PF0_FN),
+
+	/* PF FN */
+	PINMUX_DATA(D23_MARK, PG7_FN),
+	PINMUX_DATA(D22_MARK, PG6_FN),
+	PINMUX_DATA(D21_MARK, PG5_FN),
+	PINMUX_DATA(D20_MARK, PG4_FN),
+	PINMUX_DATA(D19_MARK, PG3_FN),
+	PINMUX_DATA(D18_MARK, PG2_FN),
+	PINMUX_DATA(D17_MARK, PG1_FN),
+	PINMUX_DATA(D16_MARK, PG0_FN),
+
+	/* PH FN */
+	PINMUX_DATA(SCIF1_SCK_MARK, PH7_FN),
+	PINMUX_DATA(SCIF1_RXD_MARK, PH6_FN),
+	PINMUX_DATA(SCIF1_TXD_MARK, PH5_FN),
+	PINMUX_DATA(SCIF0_CTS_MARK, PH4_FN),
+	PINMUX_DATA(INTD_MARK, P1MSEL7_1, PH4_FN),
+	PINMUX_DATA(FCE_MARK, P1MSEL8_1, P1MSEL7_0, PH4_FN),
+	PINMUX_DATA(SCIF0_RTS_MARK, P1MSEL8_0, P1MSEL7_0, PH3_FN),
+	PINMUX_DATA(HSPI_CS_MARK, P1MSEL8_0, P1MSEL7_1, PH3_FN),
+	PINMUX_DATA(FSE_MARK, P1MSEL8_1, P1MSEL7_0, PH3_FN),
+	PINMUX_DATA(SCIF0_SCK_MARK, P1MSEL8_0, P1MSEL7_0, PH2_FN),
+	PINMUX_DATA(HSPI_CLK_MARK, P1MSEL8_0, P1MSEL7_1, PH2_FN),
+	PINMUX_DATA(FRE_MARK, P1MSEL8_1, P1MSEL7_0, PH2_FN),
+	PINMUX_DATA(SCIF0_RXD_MARK, P1MSEL8_0, P1MSEL7_0, PH1_FN),
+	PINMUX_DATA(HSPI_RX_MARK, P1MSEL8_0, P1MSEL7_1, PH1_FN),
+	PINMUX_DATA(FRB_MARK, P1MSEL8_1, P1MSEL7_0, PH1_FN),
+	PINMUX_DATA(SCIF0_TXD_MARK, P1MSEL8_0, P1MSEL7_0, PH0_FN),
+	PINMUX_DATA(HSPI_TX_MARK, P1MSEL8_0, P1MSEL7_1, PH0_FN),
+	PINMUX_DATA(FWE_MARK, P1MSEL8_1, P1MSEL7_0, PH0_FN),
+
+	/* PJ FN */
+	PINMUX_DATA(SCIF5_TXD_MARK, P1MSEL2_0, P1MSEL1_0, PJ7_FN),
+	PINMUX_DATA(HAC1_SYNC_MARK, P1MSEL2_0, P1MSEL1_1, PJ7_FN),
+	PINMUX_DATA(SSI1_WS_MARK, P1MSEL2_1, P1MSEL1_0, PJ7_FN),
+	PINMUX_DATA(SIOF_TXD_PJ_MARK, P2MSEL1_0, P1MSEL4_0, P1MSEL3_0, PJ6_FN),
+	PINMUX_DATA(HAC0_SDOUT_MARK, P1MSEL4_0, P1MSEL3_1, PJ6_FN),
+	PINMUX_DATA(SSI0_SDATA_MARK, P1MSEL4_1, P1MSEL3_0, PJ6_FN),
+	PINMUX_DATA(SIOF_RXD_PJ_MARK, P2MSEL1_0, P1MSEL4_0, P1MSEL3_0, PJ5_FN),
+	PINMUX_DATA(HAC0_SDIN_MARK, P1MSEL4_0, P1MSEL3_1, PJ5_FN),
+	PINMUX_DATA(SSI0_SCK_MARK, P1MSEL4_1, P1MSEL3_0, PJ5_FN),
+	PINMUX_DATA(SIOF_SYNC_PJ_MARK, P2MSEL1_0, P1MSEL4_0, P1MSEL3_0, PJ4_FN),
+	PINMUX_DATA(HAC0_SYNC_MARK, P1MSEL4_0, P1MSEL3_1, PJ4_FN),
+	PINMUX_DATA(SSI0_WS_MARK, P1MSEL4_1, P1MSEL3_0, PJ4_FN),
+	PINMUX_DATA(SIOF_MCLK_PJ_MARK, P2MSEL1_0, P1MSEL4_0, P1MSEL3_0, PJ3_FN),
+	PINMUX_DATA(HAC_RES_MARK, P1MSEL4_0, P1MSEL3_1, PJ3_FN),
+	PINMUX_DATA(SIOF_SCK_PJ_MARK, P2MSEL1_0, P1MSEL4_0, P1MSEL3_0, PJ2_FN),
+	PINMUX_DATA(HAC0_BITCLK_MARK, P1MSEL4_0, P1MSEL3_1, PJ2_FN),
+	PINMUX_DATA(SSI0_CLK_MARK, P1MSEL4_1, P1MSEL3_0, PJ2_FN),
+	PINMUX_DATA(HAC1_BITCLK_MARK, P1MSEL2_0, PJ1_FN),
+	PINMUX_DATA(SSI1_CLK_MARK, P1MSEL2_1, P1MSEL1_0, PJ1_FN),
+	PINMUX_DATA(TCLK_MARK, P1MSEL9_0, PJ0_FN),
+	PINMUX_DATA(IOIS16_MARK, P1MSEL9_1, PJ0_FN),
+
+	/* PK FN */
+	PINMUX_DATA(STATUS0_MARK, P1MSEL15_0, PK7_FN),
+	PINMUX_DATA(DRAK0_PK3_MARK, P1MSEL15_1, PK7_FN),
+	PINMUX_DATA(STATUS1_MARK, P1MSEL15_0, PK6_FN),
+	PINMUX_DATA(DRAK1_PK2_MARK, P1MSEL15_1, PK6_FN),
+	PINMUX_DATA(DACK2_MARK, P1MSEL12_0, P1MSEL11_0, PK5_FN),
+	PINMUX_DATA(SCIF2_TXD_MARK, P1MSEL12_1, P1MSEL11_0, PK5_FN),
+	PINMUX_DATA(MMCCMD_MARK, P1MSEL12_1, P1MSEL11_1, PK5_FN),
+	PINMUX_DATA(SIOF_TXD_PK_MARK, P2MSEL1_1,
+		    P1MSEL12_0, P1MSEL11_1, PK5_FN),
+	PINMUX_DATA(DACK3_MARK, P1MSEL12_0, P1MSEL11_0, PK4_FN),
+	PINMUX_DATA(SCIF2_SCK_MARK, P1MSEL12_1, P1MSEL11_0, PK4_FN),
+	PINMUX_DATA(MMCDAT_MARK, P1MSEL12_1, P1MSEL11_1, PK4_FN),
+	PINMUX_DATA(SIOF_SCK_PK_MARK, P2MSEL1_1,
+		    P1MSEL12_0, P1MSEL11_1, PK4_FN),
+	PINMUX_DATA(DREQ0_MARK, PK3_FN),
+	PINMUX_DATA(DREQ1_MARK, PK2_FN),
+	PINMUX_DATA(DRAK0_PK1_MARK, PK1_FN),
+	PINMUX_DATA(DRAK1_PK0_MARK, PK0_FN),
+
+	/* PL FN */
+	PINMUX_DATA(DREQ2_MARK, P1MSEL13_0, PL7_FN),
+	PINMUX_DATA(INTB_MARK, P1MSEL13_1, PL7_FN),
+	PINMUX_DATA(DREQ3_MARK, P1MSEL13_0, PL6_FN),
+	PINMUX_DATA(INTC_MARK, P1MSEL13_1, PL6_FN),
+	PINMUX_DATA(DRAK2_MARK, P1MSEL10_0, PL5_FN),
+	PINMUX_DATA(CE2A_MARK, P1MSEL10_1, PL5_FN),
+	PINMUX_DATA(IRL4_MARK, P1MSEL14_0, PL4_FN),
+	PINMUX_DATA(FD4_MARK, P1MSEL14_1, PL4_FN),
+	PINMUX_DATA(IRL5_MARK, P1MSEL14_0, PL3_FN),
+	PINMUX_DATA(FD5_MARK, P1MSEL14_1, PL3_FN),
+	PINMUX_DATA(IRL6_MARK, P1MSEL14_0, PL2_FN),
+	PINMUX_DATA(FD6_MARK, P1MSEL14_1, PL2_FN),
+	PINMUX_DATA(IRL7_MARK, P1MSEL14_0, PL1_FN),
+	PINMUX_DATA(FD7_MARK, P1MSEL14_1, PL1_FN),
+	PINMUX_DATA(DRAK3_MARK, P1MSEL10_0, PL0_FN),
+	PINMUX_DATA(CE2B_MARK, P1MSEL10_1, PL0_FN),
+
+	/* PM FN */
+	PINMUX_DATA(BREQ_BSACK_MARK, PM1_FN),
+	PINMUX_DATA(BACK_BSREQ_MARK, PM0_FN),
+
+	/* PN FN */
+	PINMUX_DATA(SCIF5_RXD_MARK, P1MSEL2_0, P1MSEL1_0, PN7_FN),
+	PINMUX_DATA(HAC1_SDIN_MARK, P1MSEL2_0, P1MSEL1_1, PN7_FN),
+	PINMUX_DATA(SSI1_SCK_MARK, P1MSEL2_1, P1MSEL1_0, PN7_FN),
+	PINMUX_DATA(SCIF5_SCK_MARK, P1MSEL2_0, P1MSEL1_0, PN6_FN),
+	PINMUX_DATA(HAC1_SDOUT_MARK, P1MSEL2_0, P1MSEL1_1, PN6_FN),
+	PINMUX_DATA(SSI1_SDATA_MARK, P1MSEL2_1, P1MSEL1_0, PN6_FN),
+	PINMUX_DATA(SCIF3_TXD_MARK, P1MSEL0_0, PN5_FN),
+	PINMUX_DATA(FCLE_MARK, P1MSEL0_1, PN5_FN),
+	PINMUX_DATA(SCIF3_RXD_MARK, P1MSEL0_0, PN4_FN),
+	PINMUX_DATA(FALE_MARK, P1MSEL0_1, PN4_FN),
+	PINMUX_DATA(SCIF3_SCK_MARK, P1MSEL0_0, PN3_FN),
+	PINMUX_DATA(FD0_MARK, P1MSEL0_1, PN3_FN),
+	PINMUX_DATA(SCIF4_TXD_MARK, P1MSEL0_0, PN2_FN),
+	PINMUX_DATA(FD1_MARK, P1MSEL0_1, PN2_FN),
+	PINMUX_DATA(SCIF4_RXD_MARK, P1MSEL0_0, PN1_FN),
+	PINMUX_DATA(FD2_MARK, P1MSEL0_1, PN1_FN),
+	PINMUX_DATA(SCIF4_SCK_MARK, P1MSEL0_0, PN0_FN),
+	PINMUX_DATA(FD3_MARK, P1MSEL0_1, PN0_FN),
+
+	/* PP FN */
+	PINMUX_DATA(DEVSEL_DCLKOUT_MARK, PP5_FN),
+	PINMUX_DATA(STOP_CDE_MARK, PP4_FN),
+	PINMUX_DATA(LOCK_ODDF_MARK, PP3_FN),
+	PINMUX_DATA(TRDY_DISPL_MARK, PP2_FN),
+	PINMUX_DATA(IRDY_HSYNC_MARK, PP1_FN),
+	PINMUX_DATA(PCIFRAME_VSYNC_MARK, PP0_FN),
+
+	/* PQ FN */
+	PINMUX_DATA(INTA_MARK, PQ4_FN),
+	PINMUX_DATA(GNT0_GNTIN_MARK, PQ3_FN),
+	PINMUX_DATA(REQ0_REQOUT_MARK, PQ2_FN),
+	PINMUX_DATA(PERR_MARK, PQ1_FN),
+	PINMUX_DATA(SERR_MARK, PQ0_FN),
+
+	/* PR FN */
+	PINMUX_DATA(WE7_CBE3_MARK, PR3_FN),
+	PINMUX_DATA(WE6_CBE2_MARK, PR2_FN),
+	PINMUX_DATA(WE5_CBE1_MARK, PR1_FN),
+	PINMUX_DATA(WE4_CBE0_MARK, PR0_FN),
+
+	/* MISC FN */
+	PINMUX_DATA(SCIF2_RXD_MARK, P1MSEL6_0, P1MSEL5_0),
+	PINMUX_DATA(SIOF_RXD_MARK, P2MSEL1_1, P1MSEL6_1, P1MSEL5_0),
+	PINMUX_DATA(MRESETOUT_MARK, P2MSEL2_0),
+	PINMUX_DATA(IRQOUT_MARK, P2MSEL2_1),
+};
+
+static struct pinmux_gpio pinmux_gpios[] = {
+	/* PA */
+	PINMUX_GPIO(GPIO_PA7, PA7_DATA),
+	PINMUX_GPIO(GPIO_PA6, PA6_DATA),
+	PINMUX_GPIO(GPIO_PA5, PA5_DATA),
+	PINMUX_GPIO(GPIO_PA4, PA4_DATA),
+	PINMUX_GPIO(GPIO_PA3, PA3_DATA),
+	PINMUX_GPIO(GPIO_PA2, PA2_DATA),
+	PINMUX_GPIO(GPIO_PA1, PA1_DATA),
+	PINMUX_GPIO(GPIO_PA0, PA0_DATA),
+
+	/* PB */
+	PINMUX_GPIO(GPIO_PB7, PB7_DATA),
+	PINMUX_GPIO(GPIO_PB6, PB6_DATA),
+	PINMUX_GPIO(GPIO_PB5, PB5_DATA),
+	PINMUX_GPIO(GPIO_PB4, PB4_DATA),
+	PINMUX_GPIO(GPIO_PB3, PB3_DATA),
+	PINMUX_GPIO(GPIO_PB2, PB2_DATA),
+	PINMUX_GPIO(GPIO_PB1, PB1_DATA),
+	PINMUX_GPIO(GPIO_PB0, PB0_DATA),
+
+	/* PC */
+	PINMUX_GPIO(GPIO_PC7, PC7_DATA),
+	PINMUX_GPIO(GPIO_PC6, PC6_DATA),
+	PINMUX_GPIO(GPIO_PC5, PC5_DATA),
+	PINMUX_GPIO(GPIO_PC4, PC4_DATA),
+	PINMUX_GPIO(GPIO_PC3, PC3_DATA),
+	PINMUX_GPIO(GPIO_PC2, PC2_DATA),
+	PINMUX_GPIO(GPIO_PC1, PC1_DATA),
+	PINMUX_GPIO(GPIO_PC0, PC0_DATA),
+
+	/* PD */
+	PINMUX_GPIO(GPIO_PD7, PD7_DATA),
+	PINMUX_GPIO(GPIO_PD6, PD6_DATA),
+	PINMUX_GPIO(GPIO_PD5, PD5_DATA),
+	PINMUX_GPIO(GPIO_PD4, PD4_DATA),
+	PINMUX_GPIO(GPIO_PD3, PD3_DATA),
+	PINMUX_GPIO(GPIO_PD2, PD2_DATA),
+	PINMUX_GPIO(GPIO_PD1, PD1_DATA),
+	PINMUX_GPIO(GPIO_PD0, PD0_DATA),
+
+	/* PE */
+	PINMUX_GPIO(GPIO_PE5, PE5_DATA),
+	PINMUX_GPIO(GPIO_PE4, PE4_DATA),
+	PINMUX_GPIO(GPIO_PE3, PE3_DATA),
+	PINMUX_GPIO(GPIO_PE2, PE2_DATA),
+	PINMUX_GPIO(GPIO_PE1, PE1_DATA),
+	PINMUX_GPIO(GPIO_PE0, PE0_DATA),
+
+	/* PF */
+	PINMUX_GPIO(GPIO_PF7, PF7_DATA),
+	PINMUX_GPIO(GPIO_PF6, PF6_DATA),
+	PINMUX_GPIO(GPIO_PF5, PF5_DATA),
+	PINMUX_GPIO(GPIO_PF4, PF4_DATA),
+	PINMUX_GPIO(GPIO_PF3, PF3_DATA),
+	PINMUX_GPIO(GPIO_PF2, PF2_DATA),
+	PINMUX_GPIO(GPIO_PF1, PF1_DATA),
+	PINMUX_GPIO(GPIO_PF0, PF0_DATA),
+
+	/* PG */
+	PINMUX_GPIO(GPIO_PG7, PG7_DATA),
+	PINMUX_GPIO(GPIO_PG6, PG6_DATA),
+	PINMUX_GPIO(GPIO_PG5, PG5_DATA),
+	PINMUX_GPIO(GPIO_PG4, PG4_DATA),
+	PINMUX_GPIO(GPIO_PG3, PG3_DATA),
+	PINMUX_GPIO(GPIO_PG2, PG2_DATA),
+	PINMUX_GPIO(GPIO_PG1, PG1_DATA),
+	PINMUX_GPIO(GPIO_PG0, PG0_DATA),
+
+	/* PH */
+	PINMUX_GPIO(GPIO_PH7, PH7_DATA),
+	PINMUX_GPIO(GPIO_PH6, PH6_DATA),
+	PINMUX_GPIO(GPIO_PH5, PH5_DATA),
+	PINMUX_GPIO(GPIO_PH4, PH4_DATA),
+	PINMUX_GPIO(GPIO_PH3, PH3_DATA),
+	PINMUX_GPIO(GPIO_PH2, PH2_DATA),
+	PINMUX_GPIO(GPIO_PH1, PH1_DATA),
+	PINMUX_GPIO(GPIO_PH0, PH0_DATA),
+
+	/* PJ */
+	PINMUX_GPIO(GPIO_PJ7, PJ7_DATA),
+	PINMUX_GPIO(GPIO_PJ6, PJ6_DATA),
+	PINMUX_GPIO(GPIO_PJ5, PJ5_DATA),
+	PINMUX_GPIO(GPIO_PJ4, PJ4_DATA),
+	PINMUX_GPIO(GPIO_PJ3, PJ3_DATA),
+	PINMUX_GPIO(GPIO_PJ2, PJ2_DATA),
+	PINMUX_GPIO(GPIO_PJ1, PJ1_DATA),
+	PINMUX_GPIO(GPIO_PJ0, PJ0_DATA),
+
+	/* PK */
+	PINMUX_GPIO(GPIO_PK7, PK7_DATA),
+	PINMUX_GPIO(GPIO_PK6, PK6_DATA),
+	PINMUX_GPIO(GPIO_PK5, PK5_DATA),
+	PINMUX_GPIO(GPIO_PK4, PK4_DATA),
+	PINMUX_GPIO(GPIO_PK3, PK3_DATA),
+	PINMUX_GPIO(GPIO_PK2, PK2_DATA),
+	PINMUX_GPIO(GPIO_PK1, PK1_DATA),
+	PINMUX_GPIO(GPIO_PK0, PK0_DATA),
+
+	/* PL */
+	PINMUX_GPIO(GPIO_PL7, PL7_DATA),
+	PINMUX_GPIO(GPIO_PL6, PL6_DATA),
+	PINMUX_GPIO(GPIO_PL5, PL5_DATA),
+	PINMUX_GPIO(GPIO_PL4, PL4_DATA),
+	PINMUX_GPIO(GPIO_PL3, PL3_DATA),
+	PINMUX_GPIO(GPIO_PL2, PL2_DATA),
+	PINMUX_GPIO(GPIO_PL1, PL1_DATA),
+	PINMUX_GPIO(GPIO_PL0, PL0_DATA),
+
+	/* PM */
+	PINMUX_GPIO(GPIO_PM1, PM1_DATA),
+	PINMUX_GPIO(GPIO_PM0, PM0_DATA),
+
+	/* PN */
+	PINMUX_GPIO(GPIO_PN7, PN7_DATA),
+	PINMUX_GPIO(GPIO_PN6, PN6_DATA),
+	PINMUX_GPIO(GPIO_PN5, PN5_DATA),
+	PINMUX_GPIO(GPIO_PN4, PN4_DATA),
+	PINMUX_GPIO(GPIO_PN3, PN3_DATA),
+	PINMUX_GPIO(GPIO_PN2, PN2_DATA),
+	PINMUX_GPIO(GPIO_PN1, PN1_DATA),
+	PINMUX_GPIO(GPIO_PN0, PN0_DATA),
+
+	/* PP */
+	PINMUX_GPIO(GPIO_PP5, PP5_DATA),
+	PINMUX_GPIO(GPIO_PP4, PP4_DATA),
+	PINMUX_GPIO(GPIO_PP3, PP3_DATA),
+	PINMUX_GPIO(GPIO_PP2, PP2_DATA),
+	PINMUX_GPIO(GPIO_PP1, PP1_DATA),
+	PINMUX_GPIO(GPIO_PP0, PP0_DATA),
+
+	/* PQ */
+	PINMUX_GPIO(GPIO_PQ4, PQ4_DATA),
+	PINMUX_GPIO(GPIO_PQ3, PQ3_DATA),
+	PINMUX_GPIO(GPIO_PQ2, PQ2_DATA),
+	PINMUX_GPIO(GPIO_PQ1, PQ1_DATA),
+	PINMUX_GPIO(GPIO_PQ0, PQ0_DATA),
+
+	/* PR */
+	PINMUX_GPIO(GPIO_PR3, PR3_DATA),
+	PINMUX_GPIO(GPIO_PR2, PR2_DATA),
+	PINMUX_GPIO(GPIO_PR1, PR1_DATA),
+	PINMUX_GPIO(GPIO_PR0, PR0_DATA),
+
+	/* FN */
+	PINMUX_GPIO(GPIO_FN_D63_AD31, D63_AD31_MARK),
+	PINMUX_GPIO(GPIO_FN_D62_AD30, D62_AD30_MARK),
+	PINMUX_GPIO(GPIO_FN_D61_AD29, D61_AD29_MARK),
+	PINMUX_GPIO(GPIO_FN_D60_AD28, D60_AD28_MARK),
+	PINMUX_GPIO(GPIO_FN_D59_AD27, D59_AD27_MARK),
+	PINMUX_GPIO(GPIO_FN_D58_AD26, D58_AD26_MARK),
+	PINMUX_GPIO(GPIO_FN_D57_AD25, D57_AD25_MARK),
+	PINMUX_GPIO(GPIO_FN_D56_AD24, D56_AD24_MARK),
+	PINMUX_GPIO(GPIO_FN_D55_AD23, D55_AD23_MARK),
+	PINMUX_GPIO(GPIO_FN_D54_AD22, D54_AD22_MARK),
+	PINMUX_GPIO(GPIO_FN_D53_AD21, D53_AD21_MARK),
+	PINMUX_GPIO(GPIO_FN_D52_AD20, D52_AD20_MARK),
+	PINMUX_GPIO(GPIO_FN_D51_AD19, D51_AD19_MARK),
+	PINMUX_GPIO(GPIO_FN_D50_AD18, D50_AD18_MARK),
+	PINMUX_GPIO(GPIO_FN_D49_AD17_DB5, D49_AD17_DB5_MARK),
+	PINMUX_GPIO(GPIO_FN_D48_AD16_DB4, D48_AD16_DB4_MARK),
+	PINMUX_GPIO(GPIO_FN_D47_AD15_DB3, D47_AD15_DB3_MARK),
+	PINMUX_GPIO(GPIO_FN_D46_AD14_DB2, D46_AD14_DB2_MARK),
+	PINMUX_GPIO(GPIO_FN_D45_AD13_DB1, D45_AD13_DB1_MARK),
+	PINMUX_GPIO(GPIO_FN_D44_AD12_DB0, D44_AD12_DB0_MARK),
+	PINMUX_GPIO(GPIO_FN_D43_AD11_DG5, D43_AD11_DG5_MARK),
+	PINMUX_GPIO(GPIO_FN_D42_AD10_DG4, D42_AD10_DG4_MARK),
+	PINMUX_GPIO(GPIO_FN_D41_AD9_DG3, D41_AD9_DG3_MARK),
+	PINMUX_GPIO(GPIO_FN_D40_AD8_DG2, D40_AD8_DG2_MARK),
+	PINMUX_GPIO(GPIO_FN_D39_AD7_DG1, D39_AD7_DG1_MARK),
+	PINMUX_GPIO(GPIO_FN_D38_AD6_DG0, D38_AD6_DG0_MARK),
+	PINMUX_GPIO(GPIO_FN_D37_AD5_DR5, D37_AD5_DR5_MARK),
+	PINMUX_GPIO(GPIO_FN_D36_AD4_DR4, D36_AD4_DR4_MARK),
+	PINMUX_GPIO(GPIO_FN_D35_AD3_DR3, D35_AD3_DR3_MARK),
+	PINMUX_GPIO(GPIO_FN_D34_AD2_DR2, D34_AD2_DR2_MARK),
+	PINMUX_GPIO(GPIO_FN_D33_AD1_DR1, D33_AD1_DR1_MARK),
+	PINMUX_GPIO(GPIO_FN_D32_AD0_DR0, D32_AD0_DR0_MARK),
+	PINMUX_GPIO(GPIO_FN_REQ1, REQ1_MARK),
+	PINMUX_GPIO(GPIO_FN_REQ2, REQ2_MARK),
+	PINMUX_GPIO(GPIO_FN_REQ3, REQ3_MARK),
+	PINMUX_GPIO(GPIO_FN_GNT1, GNT1_MARK),
+	PINMUX_GPIO(GPIO_FN_GNT2, GNT2_MARK),
+	PINMUX_GPIO(GPIO_FN_GNT3, GNT3_MARK),
+	PINMUX_GPIO(GPIO_FN_MMCCLK, MMCCLK_MARK),
+	PINMUX_GPIO(GPIO_FN_D31, D31_MARK),
+	PINMUX_GPIO(GPIO_FN_D30, D30_MARK),
+	PINMUX_GPIO(GPIO_FN_D29, D29_MARK),
+	PINMUX_GPIO(GPIO_FN_D28, D28_MARK),
+	PINMUX_GPIO(GPIO_FN_D27, D27_MARK),
+	PINMUX_GPIO(GPIO_FN_D26, D26_MARK),
+	PINMUX_GPIO(GPIO_FN_D25, D25_MARK),
+	PINMUX_GPIO(GPIO_FN_D24, D24_MARK),
+	PINMUX_GPIO(GPIO_FN_D23, D23_MARK),
+	PINMUX_GPIO(GPIO_FN_D22, D22_MARK),
+	PINMUX_GPIO(GPIO_FN_D21, D21_MARK),
+	PINMUX_GPIO(GPIO_FN_D20, D20_MARK),
+	PINMUX_GPIO(GPIO_FN_D19, D19_MARK),
+	PINMUX_GPIO(GPIO_FN_D18, D18_MARK),
+	PINMUX_GPIO(GPIO_FN_D17, D17_MARK),
+	PINMUX_GPIO(GPIO_FN_D16, D16_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_SCK, SCIF1_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_RXD, SCIF1_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF1_TXD, SCIF1_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_CTS, SCIF0_CTS_MARK),
+	PINMUX_GPIO(GPIO_FN_INTD, INTD_MARK),
+	PINMUX_GPIO(GPIO_FN_FCE, FCE_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_RTS, SCIF0_RTS_MARK),
+	PINMUX_GPIO(GPIO_FN_HSPI_CS, HSPI_CS_MARK),
+	PINMUX_GPIO(GPIO_FN_FSE, FSE_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_SCK, SCIF0_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_HSPI_CLK, HSPI_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_FRE, FRE_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_RXD, SCIF0_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_HSPI_RX, HSPI_RX_MARK),
+	PINMUX_GPIO(GPIO_FN_FRB, FRB_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF0_TXD, SCIF0_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_HSPI_TX, HSPI_TX_MARK),
+	PINMUX_GPIO(GPIO_FN_FWE, FWE_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_TXD, SCIF5_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC1_SYNC, HAC1_SYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI1_WS, SSI1_WS_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_TXD_PJ, SIOF_TXD_PJ_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC0_SDOUT, HAC0_SDOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI0_SDATA, SSI0_SDATA_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_RXD_PJ, SIOF_RXD_PJ_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC0_SDIN, HAC0_SDIN_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI0_SCK, SSI0_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_SYNC_PJ, SIOF_SYNC_PJ_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC0_SYNC, HAC0_SYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI0_WS, SSI0_WS_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_MCLK_PJ, SIOF_MCLK_PJ_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC_RES, HAC_RES_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_SCK_PJ, SIOF_SCK_PJ_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC0_BITCLK, HAC0_BITCLK_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI0_CLK, SSI0_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC1_BITCLK, HAC1_BITCLK_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI1_CLK, SSI1_CLK_MARK),
+	PINMUX_GPIO(GPIO_FN_TCLK, TCLK_MARK),
+	PINMUX_GPIO(GPIO_FN_IOIS16, IOIS16_MARK),
+	PINMUX_GPIO(GPIO_FN_STATUS0, STATUS0_MARK),
+	PINMUX_GPIO(GPIO_FN_DRAK0_PK3, DRAK0_PK3_MARK),
+	PINMUX_GPIO(GPIO_FN_STATUS1, STATUS1_MARK),
+	PINMUX_GPIO(GPIO_FN_DRAK1_PK2, DRAK1_PK2_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK2, DACK2_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_TXD, SCIF2_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MMCCMD, MMCCMD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_TXD_PK, SIOF_TXD_PK_MARK),
+	PINMUX_GPIO(GPIO_FN_DACK3, DACK3_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_SCK, SCIF2_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_MMCDAT, MMCDAT_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_SCK_PK, SIOF_SCK_PK_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ0, DREQ0_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ1, DREQ1_MARK),
+	PINMUX_GPIO(GPIO_FN_DRAK0_PK1, DRAK0_PK1_MARK),
+	PINMUX_GPIO(GPIO_FN_DRAK1_PK0, DRAK1_PK0_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ2, DREQ2_MARK),
+	PINMUX_GPIO(GPIO_FN_INTB, INTB_MARK),
+	PINMUX_GPIO(GPIO_FN_DREQ3, DREQ3_MARK),
+	PINMUX_GPIO(GPIO_FN_INTC, INTC_MARK),
+	PINMUX_GPIO(GPIO_FN_DRAK2, DRAK2_MARK),
+	PINMUX_GPIO(GPIO_FN_CE2A, CE2A_MARK),
+	PINMUX_GPIO(GPIO_FN_IRL4, IRL4_MARK),
+	PINMUX_GPIO(GPIO_FN_FD4, FD4_MARK),
+	PINMUX_GPIO(GPIO_FN_IRL5, IRL5_MARK),
+	PINMUX_GPIO(GPIO_FN_FD5, FD5_MARK),
+	PINMUX_GPIO(GPIO_FN_IRL6, IRL6_MARK),
+	PINMUX_GPIO(GPIO_FN_FD6, FD6_MARK),
+	PINMUX_GPIO(GPIO_FN_IRL7, IRL7_MARK),
+	PINMUX_GPIO(GPIO_FN_FD7, FD7_MARK),
+	PINMUX_GPIO(GPIO_FN_DRAK3, DRAK3_MARK),
+	PINMUX_GPIO(GPIO_FN_CE2B, CE2B_MARK),
+	PINMUX_GPIO(GPIO_FN_BREQ_BSACK, BREQ_BSACK_MARK),
+	PINMUX_GPIO(GPIO_FN_BACK_BSREQ, BACK_BSREQ_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_RXD, SCIF5_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC1_SDIN, HAC1_SDIN_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI1_SCK, SSI1_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF5_SCK, SCIF5_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_HAC1_SDOUT, HAC1_SDOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_SSI1_SDATA, SSI1_SDATA_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_TXD, SCIF3_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_FCLE, FCLE_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_RXD, SCIF3_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_FALE, FALE_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF3_SCK, SCIF3_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_FD0, FD0_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_TXD, SCIF4_TXD_MARK),
+	PINMUX_GPIO(GPIO_FN_FD1, FD1_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_RXD, SCIF4_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_FD2, FD2_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF4_SCK, SCIF4_SCK_MARK),
+	PINMUX_GPIO(GPIO_FN_FD3, FD3_MARK),
+	PINMUX_GPIO(GPIO_FN_DEVSEL_DCLKOUT, DEVSEL_DCLKOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_STOP_CDE, STOP_CDE_MARK),
+	PINMUX_GPIO(GPIO_FN_LOCK_ODDF, LOCK_ODDF_MARK),
+	PINMUX_GPIO(GPIO_FN_TRDY_DISPL, TRDY_DISPL_MARK),
+	PINMUX_GPIO(GPIO_FN_IRDY_HSYNC, IRDY_HSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_PCIFRAME_VSYNC, PCIFRAME_VSYNC_MARK),
+	PINMUX_GPIO(GPIO_FN_INTA, INTA_MARK),
+	PINMUX_GPIO(GPIO_FN_GNT0_GNTIN, GNT0_GNTIN_MARK),
+	PINMUX_GPIO(GPIO_FN_REQ0_REQOUT, REQ0_REQOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_PERR, PERR_MARK),
+	PINMUX_GPIO(GPIO_FN_SERR, SERR_MARK),
+	PINMUX_GPIO(GPIO_FN_WE7_CBE3, WE7_CBE3_MARK),
+	PINMUX_GPIO(GPIO_FN_WE6_CBE2, WE6_CBE2_MARK),
+	PINMUX_GPIO(GPIO_FN_WE5_CBE1, WE5_CBE1_MARK),
+	PINMUX_GPIO(GPIO_FN_WE4_CBE0, WE4_CBE0_MARK),
+	PINMUX_GPIO(GPIO_FN_SCIF2_RXD, SCIF2_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_SIOF_RXD, SIOF_RXD_MARK),
+	PINMUX_GPIO(GPIO_FN_MRESETOUT, MRESETOUT_MARK),
+	PINMUX_GPIO(GPIO_FN_IRQOUT, IRQOUT_MARK),
+};
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	{ PINMUX_CFG_REG("PACR", 0xffe70000, 16, 2) {
+		PA7_FN, PA7_OUT, PA7_IN, PA7_IN_PU,
+		PA6_FN, PA6_OUT, PA6_IN, PA6_IN_PU,
+		PA5_FN, PA5_OUT, PA5_IN, PA5_IN_PU,
+		PA4_FN, PA4_OUT, PA4_IN, PA4_IN_PU,
+		PA3_FN, PA3_OUT, PA3_IN, PA3_IN_PU,
+		PA2_FN, PA2_OUT, PA2_IN, PA2_IN_PU,
+		PA1_FN, PA1_OUT, PA1_IN, PA1_IN_PU,
+		PA0_FN, PA0_OUT, PA0_IN, PA0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PBCR", 0xffe70002, 16, 2) {
+		PB7_FN, PB7_OUT, PB7_IN, PB7_IN_PU,
+		PB6_FN, PB6_OUT, PB6_IN, PB6_IN_PU,
+		PB5_FN, PB5_OUT, PB5_IN, PB5_IN_PU,
+		PB4_FN, PB4_OUT, PB4_IN, PB4_IN_PU,
+		PB3_FN, PB3_OUT, PB3_IN, PB3_IN_PU,
+		PB2_FN, PB2_OUT, PB2_IN, PB2_IN_PU,
+		PB1_FN, PB1_OUT, PB1_IN, PB1_IN_PU,
+		PB0_FN, PB0_OUT, PB0_IN, PB0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PCCR", 0xffe70004, 16, 2) {
+		PC7_FN, PC7_OUT, PC7_IN, PC7_IN_PU,
+		PC6_FN, PC6_OUT, PC6_IN, PC6_IN_PU,
+		PC5_FN, PC5_OUT, PC5_IN, PC5_IN_PU,
+		PC4_FN, PC4_OUT, PC4_IN, PC4_IN_PU,
+		PC3_FN, PC3_OUT, PC3_IN, PC3_IN_PU,
+		PC2_FN, PC2_OUT, PC2_IN, PC2_IN_PU,
+		PC1_FN, PC1_OUT, PC1_IN, PC1_IN_PU,
+		PC0_FN, PC0_OUT, PC0_IN, PC0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PDCR", 0xffe70006, 16, 2) {
+		PD7_FN, PD7_OUT, PD7_IN, PD7_IN_PU,
+		PD6_FN, PD6_OUT, PD6_IN, PD6_IN_PU,
+		PD5_FN, PD5_OUT, PD5_IN, PD5_IN_PU,
+		PD4_FN, PD4_OUT, PD4_IN, PD4_IN_PU,
+		PD3_FN, PD3_OUT, PD3_IN, PD3_IN_PU,
+		PD2_FN, PD2_OUT, PD2_IN, PD2_IN_PU,
+		PD1_FN, PD1_OUT, PD1_IN, PD1_IN_PU,
+		PD0_FN, PD0_OUT, PD0_IN, PD0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PECR", 0xffe70008, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PE5_FN, PE5_OUT, PE5_IN, PE5_IN_PU,
+		PE4_FN, PE4_OUT, PE4_IN, PE4_IN_PU,
+		PE3_FN, PE3_OUT, PE3_IN, PE3_IN_PU,
+		PE2_FN, PE2_OUT, PE2_IN, PE2_IN_PU,
+		PE1_FN, PE1_OUT, PE1_IN, PE1_IN_PU,
+		PE0_FN, PE0_OUT, PE0_IN, PE0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PFCR", 0xffe7000a, 16, 2) {
+		PF7_FN, PF7_OUT, PF7_IN, PF7_IN_PU,
+		PF6_FN, PF6_OUT, PF6_IN, PF6_IN_PU,
+		PF5_FN, PF5_OUT, PF5_IN, PF5_IN_PU,
+		PF4_FN, PF4_OUT, PF4_IN, PF4_IN_PU,
+		PF3_FN, PF3_OUT, PF3_IN, PF3_IN_PU,
+		PF2_FN, PF2_OUT, PF2_IN, PF2_IN_PU,
+		PF1_FN, PF1_OUT, PF1_IN, PF1_IN_PU,
+		PF0_FN, PF0_OUT, PF0_IN, PF0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PGCR", 0xffe7000c, 16, 2) {
+		PG7_FN, PG7_OUT, PG7_IN, PG7_IN_PU,
+		PG6_FN, PG6_OUT, PG6_IN, PG6_IN_PU,
+		PG5_FN, PG5_OUT, PG5_IN, PG5_IN_PU,
+		PG4_FN, PG4_OUT, PG4_IN, PG4_IN_PU,
+		PG3_FN, PG3_OUT, PG3_IN, PG3_IN_PU,
+		PG2_FN, PG2_OUT, PG2_IN, PG2_IN_PU,
+		PG1_FN, PG1_OUT, PG1_IN, PG1_IN_PU,
+		PG0_FN, PG0_OUT, PG0_IN, PG0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PHCR", 0xffe7000e, 16, 2) {
+		PH7_FN, PH7_OUT, PH7_IN, PH7_IN_PU,
+		PH6_FN, PH6_OUT, PH6_IN, PH6_IN_PU,
+		PH5_FN, PH5_OUT, PH5_IN, PH5_IN_PU,
+		PH4_FN, PH4_OUT, PH4_IN, PH4_IN_PU,
+		PH3_FN, PH3_OUT, PH3_IN, PH3_IN_PU,
+		PH2_FN, PH2_OUT, PH2_IN, PH2_IN_PU,
+		PH1_FN, PH1_OUT, PH1_IN, PH1_IN_PU,
+		PH0_FN, PH0_OUT, PH0_IN, PH0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PJCR", 0xffe70010, 16, 2) {
+		PJ7_FN, PJ7_OUT, PJ7_IN, PJ7_IN_PU,
+		PJ6_FN, PJ6_OUT, PJ6_IN, PJ6_IN_PU,
+		PJ5_FN, PJ5_OUT, PJ5_IN, PJ5_IN_PU,
+		PJ4_FN, PJ4_OUT, PJ4_IN, PJ4_IN_PU,
+		PJ3_FN, PJ3_OUT, PJ3_IN, PJ3_IN_PU,
+		PJ2_FN, PJ2_OUT, PJ2_IN, PJ2_IN_PU,
+		PJ1_FN, PJ1_OUT, PJ1_IN, PJ1_IN_PU,
+		PJ0_FN, PJ0_OUT, PJ0_IN, PJ0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PKCR", 0xffe70012, 16, 2) {
+		PK7_FN, PK7_OUT, PK7_IN, PK7_IN_PU,
+		PK6_FN, PK6_OUT, PK6_IN, PK6_IN_PU,
+		PK5_FN, PK5_OUT, PK5_IN, PK5_IN_PU,
+		PK4_FN, PK4_OUT, PK4_IN, PK4_IN_PU,
+		PK3_FN, PK3_OUT, PK3_IN, PK3_IN_PU,
+		PK2_FN, PK2_OUT, PK2_IN, PK2_IN_PU,
+		PK1_FN, PK1_OUT, PK1_IN, PK1_IN_PU,
+		PK0_FN, PK0_OUT, PK0_IN, PK0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PLCR", 0xffe70014, 16, 2) {
+		PL7_FN, PL7_OUT, PL7_IN, PL7_IN_PU,
+		PL6_FN, PL6_OUT, PL6_IN, PL6_IN_PU,
+		PL5_FN, PL5_OUT, PL5_IN, PL5_IN_PU,
+		PL4_FN, PL4_OUT, PL4_IN, PL4_IN_PU,
+		PL3_FN, PL3_OUT, PL3_IN, PL3_IN_PU,
+		PL2_FN, PL2_OUT, PL2_IN, PL2_IN_PU,
+		PL1_FN, PL1_OUT, PL1_IN, PL1_IN_PU,
+		PL0_FN, PL0_OUT, PL0_IN, PL0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PMCR", 0xffe70016, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PM1_FN, PM1_OUT, PM1_IN, PM1_IN_PU,
+		PM0_FN, PM0_OUT, PM0_IN, PM0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PNCR", 0xffe70018, 16, 2) {
+		PN7_FN, PN7_OUT, PN7_IN, PN7_IN_PU,
+		PN6_FN, PN6_OUT, PN6_IN, PN6_IN_PU,
+		PN5_FN, PN5_OUT, PN5_IN, PN5_IN_PU,
+		PN4_FN, PN4_OUT, PN4_IN, PN4_IN_PU,
+		PN3_FN, PN3_OUT, PN3_IN, PN3_IN_PU,
+		PN2_FN, PN2_OUT, PN2_IN, PN2_IN_PU,
+		PN1_FN, PN1_OUT, PN1_IN, PN1_IN_PU,
+		PN0_FN, PN0_OUT, PN0_IN, PN0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PPCR", 0xffe7001a, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PP5_FN, PP5_OUT, PP5_IN, PP5_IN_PU,
+		PP4_FN, PP4_OUT, PP4_IN, PP4_IN_PU,
+		PP3_FN, PP3_OUT, PP3_IN, PP3_IN_PU,
+		PP2_FN, PP2_OUT, PP2_IN, PP2_IN_PU,
+		PP1_FN, PP1_OUT, PP1_IN, PP1_IN_PU,
+		PP0_FN, PP0_OUT, PP0_IN, PP0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PQCR", 0xffe7001c, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PQ4_FN, PQ4_OUT, PQ4_IN, PQ4_IN_PU,
+		PQ3_FN, PQ3_OUT, PQ3_IN, PQ3_IN_PU,
+		PQ2_FN, PQ2_OUT, PQ2_IN, PQ2_IN_PU,
+		PQ1_FN, PQ1_OUT, PQ1_IN, PQ1_IN_PU,
+		PQ0_FN, PQ0_OUT, PQ0_IN, PQ0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("PRCR", 0xffe7001e, 16, 2) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		PR3_FN, PR3_OUT, PR3_IN, PR3_IN_PU,
+		PR2_FN, PR2_OUT, PR2_IN, PR2_IN_PU,
+		PR1_FN, PR1_OUT, PR1_IN, PR1_IN_PU,
+		PR0_FN, PR0_OUT, PR0_IN, PR0_IN_PU }
+	},
+	{ PINMUX_CFG_REG("P1MSELR", 0xffe70080, 16, 1) {
+		P1MSEL15_0, P1MSEL15_1,
+		P1MSEL14_0, P1MSEL14_1,
+		P1MSEL13_0, P1MSEL13_1,
+		P1MSEL12_0, P1MSEL12_1,
+		P1MSEL11_0, P1MSEL11_1,
+		P1MSEL10_0, P1MSEL10_1,
+		P1MSEL9_0, P1MSEL9_1,
+		P1MSEL8_0, P1MSEL8_1,
+		P1MSEL7_0, P1MSEL7_1,
+		P1MSEL6_0, P1MSEL6_1,
+		P1MSEL5_0, 0,
+		P1MSEL4_0, P1MSEL4_1,
+		P1MSEL3_0, P1MSEL3_1,
+		P1MSEL2_0, P1MSEL2_1,
+		P1MSEL1_0, P1MSEL1_1,
+		P1MSEL0_0, P1MSEL0_1 }
+	},
+	{ PINMUX_CFG_REG("P2MSELR", 0xffe70082, 16, 1) {
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		P2MSEL2_0, P2MSEL2_1,
+		P2MSEL1_0, P2MSEL1_1,
+		P2MSEL0_0, P2MSEL0_1 }
+	},
+	{}
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PADR", 0xffe70020, 8) {
+		PA7_DATA, PA6_DATA, PA5_DATA, PA4_DATA,
+		PA3_DATA, PA2_DATA, PA1_DATA, PA0_DATA }
+	},
+	{ PINMUX_DATA_REG("PBDR", 0xffe70022, 8) {
+		PB7_DATA, PB6_DATA, PB5_DATA, PB4_DATA,
+		PB3_DATA, PB2_DATA, PB1_DATA, PB0_DATA }
+	},
+	{ PINMUX_DATA_REG("PCDR", 0xffe70024, 8) {
+		PC7_DATA, PC6_DATA, PC5_DATA, PC4_DATA,
+		PC3_DATA, PC2_DATA, PC1_DATA, PC0_DATA }
+	},
+	{ PINMUX_DATA_REG("PDDR", 0xffe70026, 8) {
+		PD7_DATA, PD6_DATA, PD5_DATA, PD4_DATA,
+		PD3_DATA, PD2_DATA, PD1_DATA, PD0_DATA }
+	},
+	{ PINMUX_DATA_REG("PEDR", 0xffe70028, 8) {
+		0, 0, PE5_DATA, PE4_DATA,
+		PE3_DATA, PE2_DATA, PE1_DATA, PE0_DATA }
+	},
+	{ PINMUX_DATA_REG("PFDR", 0xffe7002a, 8) {
+		PF7_DATA, PF6_DATA, PF5_DATA, PF4_DATA,
+		PF3_DATA, PF2_DATA, PF1_DATA, PF0_DATA }
+	},
+	{ PINMUX_DATA_REG("PGDR", 0xffe7002c, 8) {
+		PG7_DATA, PG6_DATA, PG5_DATA, PG4_DATA,
+		PG3_DATA, PG2_DATA, PG1_DATA, PG0_DATA }
+	},
+	{ PINMUX_DATA_REG("PHDR", 0xffe7002e, 8) {
+		PH7_DATA, PH6_DATA, PH5_DATA, PH4_DATA,
+		PH3_DATA, PH2_DATA, PH1_DATA, PH0_DATA }
+	},
+	{ PINMUX_DATA_REG("PJDR", 0xffe70030, 8) {
+		PJ7_DATA, PJ6_DATA, PJ5_DATA, PJ4_DATA,
+		PJ3_DATA, PJ2_DATA, PJ1_DATA, PJ0_DATA }
+	},
+	{ PINMUX_DATA_REG("PKDR", 0xffe70032, 8) {
+		PK7_DATA, PK6_DATA, PK5_DATA, PK4_DATA,
+		PK3_DATA, PK2_DATA, PK1_DATA, PK0_DATA }
+	},
+	{ PINMUX_DATA_REG("PLDR", 0xffe70034, 8) {
+		PL7_DATA, PL6_DATA, PL5_DATA, PL4_DATA,
+		PL3_DATA, PL2_DATA, PL1_DATA, PL0_DATA }
+	},
+	{ PINMUX_DATA_REG("PMDR", 0xffe70036, 8) {
+		0, 0, 0, 0,
+		0, 0, PM1_DATA, PM0_DATA }
+	},
+	{ PINMUX_DATA_REG("PNDR", 0xffe70038, 8) {
+		PN7_DATA, PN6_DATA, PN5_DATA, PN4_DATA,
+		PN3_DATA, PN2_DATA, PN1_DATA, PN0_DATA }
+	},
+	{ PINMUX_DATA_REG("PPDR", 0xffe7003a, 8) {
+		0, 0, PP5_DATA, PP4_DATA,
+		PP3_DATA, PP2_DATA, PP1_DATA, PP0_DATA }
+	},
+	{ PINMUX_DATA_REG("PQDR", 0xffe7003c, 8) {
+		0, 0, 0, PQ4_DATA,
+		PQ3_DATA, PQ2_DATA, PQ1_DATA, PQ0_DATA }
+	},
+	{ PINMUX_DATA_REG("PRDR", 0xffe7003e, 8) {
+		0, 0, 0, 0,
+		PR3_DATA, PR2_DATA, PR1_DATA, PR0_DATA }
+	},
+	{ },
+};
+
+static struct pinmux_info sh7785_pinmux_info = {
+	.name = "sh7785_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PA7,
+	.last_gpio = GPIO_FN_IRQOUT,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+static int __init plat_pinmux_setup(void)
+{
+	return register_pinmux(&sh7785_pinmux_info);
+}
+
+arch_initcall(plat_pinmux_setup);
-- 
GitLab


From f0e0da8a6cca44396c7a711e308d58084e881617 Mon Sep 17 00:00:00 2001
From: Dennis Noordsij <dennis.noordsij@helsinki.fi>
Date: Fri, 15 Aug 2008 09:37:58 +0800
Subject: [PATCH 1979/2224] ACPICA: Copy dynamically loaded tables to local
 buffer

Previously, dynamically loaded tables were simply mapped, but on some machines
this memory is corrupted after suspend. Now copy the table to a local buffer.
For OpRegion case, added checksum verify. Use the table length from the table header,
not the region length. For Buffer case, use the table length also.

http://bugzilla.kernel.org/show_bug.cgi?id=10734

Signed-off-by: Dennis Noordsij <dennis.noordsij@helsinki.fi>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/executer/exconfig.c | 113 ++++++++++++++++++++++---------
 1 file changed, 82 insertions(+), 31 deletions(-)

diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 8892b9824fa..331a114f42c 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -280,6 +280,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		struct acpi_walk_state *walk_state)
 {
 	union acpi_operand_object *ddb_handle;
+	struct acpi_table_header *table;
 	struct acpi_table_desc table_desc;
 	u32 table_index;
 	acpi_status status;
@@ -294,9 +295,8 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 	switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
 	case ACPI_TYPE_REGION:
 
-		ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Region %p %s\n",
-				  obj_desc,
-				  acpi_ut_get_object_type_name(obj_desc)));
+		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+				  "Load table from Region %p\n", obj_desc));
 
 		/* Region must be system_memory (from ACPI spec) */
 
@@ -316,61 +316,112 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		}
 
 		/*
-		 * We will simply map the memory region for the table. However, the
-		 * memory region is technically not guaranteed to remain stable and
-		 * we may eventually have to copy the table to a local buffer.
+		 * Map the table header and get the actual table length. The region
+		 * length is not guaranteed to be the same as the table length.
+		 */
+		table = acpi_os_map_memory(obj_desc->region.address,
+					   sizeof(struct acpi_table_header));
+		if (!table) {
+			return_ACPI_STATUS(AE_NO_MEMORY);
+		}
+
+		length = table->length;
+		acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
+
+		/* Must have at least an ACPI table header */
+
+		if (length < sizeof(struct acpi_table_header)) {
+			return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
+		}
+
+		/*
+		 * The memory region is not guaranteed to remain stable and we must
+		 * copy the table to a local buffer. For example, the memory region
+		 * is corrupted after suspend on some machines. Dynamically loaded
+		 * tables are usually small, so this overhead is minimal.
 		 */
+
+		/* Allocate a buffer for the table */
+
+		table_desc.pointer = ACPI_ALLOCATE(length);
+		if (!table_desc.pointer) {
+			return_ACPI_STATUS(AE_NO_MEMORY);
+		}
+
+		/* Map the entire table and copy it */
+
+		table = acpi_os_map_memory(obj_desc->region.address, length);
+		if (!table) {
+			ACPI_FREE(table_desc.pointer);
+			return_ACPI_STATUS(AE_NO_MEMORY);
+		}
+
+		ACPI_MEMCPY(table_desc.pointer, table, length);
+		acpi_os_unmap_memory(table, length);
+
 		table_desc.address = obj_desc->region.address;
-		table_desc.length = obj_desc->region.length;
-		table_desc.flags = ACPI_TABLE_ORIGIN_MAPPED;
 		break;
 
 	case ACPI_TYPE_BUFFER:	/* Buffer or resolved region_field */
 
 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Load from Buffer or Field %p %s\n", obj_desc,
-				  acpi_ut_get_object_type_name(obj_desc)));
-
-		length = obj_desc->buffer.length;
+				  "Load table from Buffer or Field %p\n",
+				  obj_desc));
 
 		/* Must have at least an ACPI table header */
 
-		if (length < sizeof(struct acpi_table_header)) {
+		if (obj_desc->buffer.length < sizeof(struct acpi_table_header)) {
 			return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
 		}
 
-		/* Validate checksum here. It won't get validated in tb_add_table */
+		/* Get the actual table length from the table header */
 
-		status =
-		    acpi_tb_verify_checksum(ACPI_CAST_PTR
-					    (struct acpi_table_header,
-					     obj_desc->buffer.pointer), length);
-		if (ACPI_FAILURE(status)) {
-			return_ACPI_STATUS(status);
+		table =
+		    ACPI_CAST_PTR(struct acpi_table_header,
+				  obj_desc->buffer.pointer);
+		length = table->length;
+
+		/* Table cannot extend beyond the buffer */
+
+		if (length > obj_desc->buffer.length) {
+			return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);
+		}
+		if (length < sizeof(struct acpi_table_header)) {
+			return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH);
 		}
 
 		/*
-		 * We need to copy the buffer since the original buffer could be
-		 * changed or deleted in the future
+		 * Copy the table from the buffer because the buffer could be modified
+		 * or even deleted in the future
 		 */
 		table_desc.pointer = ACPI_ALLOCATE(length);
 		if (!table_desc.pointer) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
 
-		ACPI_MEMCPY(table_desc.pointer, obj_desc->buffer.pointer,
-			    length);
-		table_desc.length = length;
-		table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED;
+		ACPI_MEMCPY(table_desc.pointer, table, length);
+		table_desc.address = ACPI_TO_INTEGER(table_desc.pointer);
 		break;
 
 	default:
 		return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 	}
 
-	/*
-	 * Install the new table into the local data structures
-	 */
+	/* Validate table checksum (will not get validated in tb_add_table) */
+
+	status = acpi_tb_verify_checksum(table_desc.pointer, length);
+	if (ACPI_FAILURE(status)) {
+		ACPI_FREE(table_desc.pointer);
+		return_ACPI_STATUS(status);
+	}
+
+	/* Complete the table descriptor */
+
+	table_desc.length = length;
+	table_desc.flags = ACPI_TABLE_ORIGIN_ALLOCATED;
+
+	/* Install the new table into the local data structures */
+
 	status = acpi_tb_add_table(&table_desc, &table_index);
 	if (ACPI_FAILURE(status)) {
 		goto cleanup;
@@ -379,7 +430,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 	/*
 	 * Add the table to the namespace.
 	 *
-	 * Note: We load the table objects relative to the root of the namespace.
+	 * Note: Load the table objects relative to the root of the namespace.
 	 * This appears to go against the ACPI specification, but we do it for
 	 * compatibility with other ACPI implementations.
 	 */
@@ -415,7 +466,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
       cleanup:
 	if (ACPI_FAILURE(status)) {
 
-		/* Delete allocated buffer or mapping */
+		/* Delete allocated table buffer */
 
 		acpi_tb_delete_table(&table_desc);
 	}
-- 
GitLab


From 237a927682a63f02adb542dbdaafe8a81566451d Mon Sep 17 00:00:00 2001
From: Fiodor Suietov <fiodor.f.suietov@intel.com>
Date: Fri, 4 Jul 2008 10:18:34 +0800
Subject: [PATCH 1980/2224] ACPICA: Add check for invalid handle in
 acpi_get_object_info

Return AE_BAD_PARAMETER if input handle is invalid.

http://www.acpica.org/bugzilla/show_bug.cgi?id=474

Signed-off-by: Fiodor Suietov <fiodor.f.suietov@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/namespace/nsxfname.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c
index a287ed550f5..3cb910ded44 100644
--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/namespace/nsxfname.c
@@ -253,6 +253,7 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
 	node = acpi_ns_map_handle_to_node(handle);
 	if (!node) {
 		(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+		status = AE_BAD_PARAMETER;
 		goto cleanup;
 	}
 
-- 
GitLab


From e56f561736e340a4e923b0db65f65dabf5d94823 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Fri, 4 Jul 2008 10:48:43 +0800
Subject: [PATCH 1981/2224] ACPICA: Allow same ACPI table to be loaded/unloaded
 more than once

Without this change, a table cannot be loaded again once it has
been loaded/unloaded one time. The current mechanism does not
unregister a table upon an unload. During a load, if the same
table is found, this no longer returns an exception.

http://www.acpica.org/bugzilla/show_bug.cgi?id=722

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/tables/tbinstal.c | 49 +++++++++++++++++++++++++++++-----
 1 file changed, 42 insertions(+), 7 deletions(-)

diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index b22185f55a1..905dc38ab23 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -145,6 +145,8 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
 			}
 		}
 
+		/* Check for a table match on the entire table length */
+
 		length = ACPI_MIN(table_desc->length,
 				  acpi_gbl_root_table_list.tables[i].length);
 		if (ACPI_MEMCMP(table_desc->pointer,
@@ -153,17 +155,49 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
 			continue;
 		}
 
-		/* Table is already registered */
-
+		/*
+		 * Note: the current mechanism does not unregister a table if it is
+		 * dynamically unloaded. The related namespace entries are deleted,
+		 * but the table remains in the root table list.
+		 *
+		 * The assumption here is that the number of different tables that
+		 * will be loaded is actually small, and there is minimal overhead
+		 * in just keeping the table in case it is needed again.
+		 *
+		 * If this assumption changes in the future (perhaps on large
+		 * machines with many table load/unload operations), tables will
+		 * need to be unregistered when they are unloaded, and slots in the
+		 * root table list should be reused when empty.
+		 */
+
+		/*
+		 * Table is already registered.
+		 * We can delete the table that was passed as a parameter.
+		 */
 		acpi_tb_delete_table(table_desc);
 		*table_index = i;
-		status = AE_ALREADY_EXISTS;
-		goto release;
+
+		if (acpi_gbl_root_table_list.tables[i].
+		    flags & ACPI_TABLE_IS_LOADED) {
+
+			/* Table is still loaded, this is an error */
+
+			status = AE_ALREADY_EXISTS;
+			goto release;
+		} else {
+			/* Table was unloaded, allow it to be reloaded */
+
+			table_desc->pointer =
+			    acpi_gbl_root_table_list.tables[i].pointer;
+			table_desc->address =
+			    acpi_gbl_root_table_list.tables[i].address;
+			status = AE_OK;
+			goto print_header;
+		}
 	}
 
-	/*
-	 * Add the table to the global table list
-	 */
+	/* Add the table to the global root table list */
+
 	status = acpi_tb_store_table(table_desc->address, table_desc->pointer,
 				     table_desc->length, table_desc->flags,
 				     table_index);
@@ -171,6 +205,7 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
 		goto release;
 	}
 
+      print_header:
 	acpi_tb_print_table_header(table_desc->address, table_desc->pointer);
 
       release:
-- 
GitLab


From 9db4fcd99f7ef886ded97cd26a8642c70fbe34df Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Fri, 4 Jul 2008 10:56:13 +0800
Subject: [PATCH 1982/2224] ACPICA: Fix wrong resource descriptor length for
 64-bit build

The "minimal" descriptors such as EndTag are calculated as 12
bytes long, but the actual length in the internal descriptor is
16 because of the round-up to 8 on 64-bit build.

http://www.acpica.org/bugzilla/show_bug.cgi?id=728

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/actypes.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 4ea4f40bf89..73d6b1cb07f 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -1225,8 +1225,8 @@ struct acpi_resource {
 
 #pragma pack()
 
-#define ACPI_RS_SIZE_MIN                    12
 #define ACPI_RS_SIZE_NO_DATA                8	/* Id + Length fields */
+#define ACPI_RS_SIZE_MIN                    (u32) ACPI_ROUND_UP_TO_NATIVE_WORD (12)
 #define ACPI_RS_SIZE(type)                  (u32) (ACPI_RS_SIZE_NO_DATA + sizeof (type))
 
 #define ACPI_NEXT_RESOURCE(res)             (struct acpi_resource *)((u8 *) res + res->length)
-- 
GitLab


From a6f30539f31a8129288b0e5640d3eb1174848c15 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Fri, 4 Jul 2008 10:57:51 +0800
Subject: [PATCH 1983/2224] ACPICA: Fix table compare code, length then data

Split the ACPI table compare. First check that the lengths match
exactly. Then compare the data.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/tables/tbinstal.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 905dc38ab23..18747ce8dd2 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -110,7 +110,6 @@ acpi_status
 acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
 {
 	u32 i;
-	u32 length;
 	acpi_status status = AE_OK;
 
 	ACPI_FUNCTION_TRACE(tb_add_table);
@@ -145,13 +144,18 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
 			}
 		}
 
-		/* Check for a table match on the entire table length */
+		/*
+		 * Check for a table match on the entire table length,
+		 * not just the header.
+		 */
+		if (table_desc->length !=
+		    acpi_gbl_root_table_list.tables[i].length) {
+			continue;
+		}
 
-		length = ACPI_MIN(table_desc->length,
-				  acpi_gbl_root_table_list.tables[i].length);
 		if (ACPI_MEMCMP(table_desc->pointer,
 				acpi_gbl_root_table_list.tables[i].pointer,
-				length)) {
+				acpi_gbl_root_table_list.tables[i].length)) {
 			continue;
 		}
 
-- 
GitLab


From b417d40b9a850f12f69aa9d785d2af39c9463bb8 Mon Sep 17 00:00:00 2001
From: Yi Yang <yi.y.yang@intel.com>
Date: Mon, 4 Aug 2008 10:30:09 +0800
Subject: [PATCH 1984/2224] ACPICA: Return status from global init function

Return status from acpi_ut_init_globals. This is used by both
the kernel subsystem and the utilities such as iASL compiler.
The function could possibly fail when the caches are initialized.
Yang Yi.

Signed-off-by: Yi Yang <yi.y.yang@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/utilities/utglobal.c | 8 ++++----
 drivers/acpi/utilities/utxface.c  | 7 ++++++-
 include/acpi/acutils.h            | 2 +-
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index a6e71b801d2..248eefc369f 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -677,14 +677,14 @@ u8 acpi_ut_valid_object_type(acpi_object_type type)
  *
  * PARAMETERS:  None
  *
- * RETURN:      None
+ * RETURN:      Status
  *
  * DESCRIPTION: Init library globals.  All globals that require specific
  *              initialization should be initialized here!
  *
  ******************************************************************************/
 
-void acpi_ut_init_globals(void)
+acpi_status acpi_ut_init_globals(void)
 {
 	acpi_status status;
 	u32 i;
@@ -695,7 +695,7 @@ void acpi_ut_init_globals(void)
 
 	status = acpi_ut_create_caches();
 	if (ACPI_FAILURE(status)) {
-		return;
+		return_ACPI_STATUS(status);
 	}
 
 	/* Mutex locked flags */
@@ -772,7 +772,7 @@ void acpi_ut_init_globals(void)
 	acpi_gbl_display_final_mem_stats = FALSE;
 #endif
 
-	return_VOID;
+	return_ACPI_STATUS(AE_OK);
 }
 
 ACPI_EXPORT_SYMBOL(acpi_dbg_level)
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index f8bdadf3c32..c198a4d4058 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -81,7 +81,12 @@ acpi_status __init acpi_initialize_subsystem(void)
 
 	/* Initialize all globals used by the subsystem */
 
-	acpi_ut_init_globals();
+	status = acpi_ut_init_globals();
+	if (ACPI_FAILURE(status)) {
+		ACPI_EXCEPTION((AE_INFO, status,
+				"During initialization of globals"));
+		return_ACPI_STATUS(status);
+	}
 
 	/* Create the default mutex objects */
 
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index 69f8888771f..10ce81406f9 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -110,7 +110,7 @@ struct acpi_pkg_info {
 /*
  * utglobal - Global data structures and procedures
  */
-void acpi_ut_init_globals(void);
+acpi_status acpi_ut_init_globals(void);
 
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 
-- 
GitLab


From bbc241340681557a16982f4d1840f00963bc05b4 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Mon, 4 Aug 2008 13:22:10 +0800
Subject: [PATCH 1985/2224] ACPICA: Add function to dereference returned
 reference objects

Examines the return object from a call to acpi_evaluate_object.
Any Index or RefOf references are automatically dereferenced in
an attempt to return something useful (these reference types
cannot be converted into an external ACPI_OBJECT.)
Lin Ming, Bob Moore.

http://bugzilla.kernel.org/show_bug.cgi?id=11105

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/namespace/nsxfeval.c | 79 +++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)

diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index 38be5865d95..f3cc3762453 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -45,9 +45,14 @@
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
 #include <acpi/acinterp.h>
+#include <acpi/amlcode.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsxfeval")
+
+/* Local prototypes */
+static void acpi_ns_resolve_references(struct acpi_evaluate_info *info);
+
 #ifdef ACPI_FUTURE_USAGE
 /*******************************************************************************
  *
@@ -69,6 +74,7 @@ ACPI_MODULE_NAME("nsxfeval")
  *              be valid (non-null)
  *
  ******************************************************************************/
+
 acpi_status
 acpi_evaluate_object_typed(acpi_handle handle,
 			   acpi_string pathname,
@@ -283,6 +289,10 @@ acpi_evaluate_object(acpi_handle handle,
 
 			if (ACPI_SUCCESS(status)) {
 
+				/* Dereference Index and ref_of references */
+
+				acpi_ns_resolve_references(info);
+
 				/* Get the size of the returned object */
 
 				status =
@@ -350,6 +360,74 @@ acpi_evaluate_object(acpi_handle handle,
 
 ACPI_EXPORT_SYMBOL(acpi_evaluate_object)
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_resolve_references
+ *
+ * PARAMETERS:  Info                    - Evaluation info block
+ *
+ * RETURN:      Info->return_object is replaced with the dereferenced object
+ *
+ * DESCRIPTION: Dereference certain reference objects. Called before an
+ *              internal return object is converted to an external union acpi_object.
+ *
+ * Performs an automatic dereference of Index and ref_of reference objects.
+ * These reference objects are not supported by the union acpi_object, so this is a
+ * last resort effort to return something useful. Also, provides compatibility
+ * with other ACPI implementations.
+ *
+ * NOTE: does not handle references within returned package objects or nested
+ * references, but this support could be added later if found to be necessary.
+ *
+ ******************************************************************************/
+static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
+{
+	union acpi_operand_object *obj_desc = NULL;
+	struct acpi_namespace_node *node;
+
+	/* We are interested in reference objects only */
+
+	if (ACPI_GET_OBJECT_TYPE(info->return_object) !=
+	    ACPI_TYPE_LOCAL_REFERENCE) {
+		return;
+	}
+
+	/*
+	 * Two types of references are supported - those created by Index and
+	 * ref_of operators. A name reference (AML_NAMEPATH_OP) can be converted
+	 * to an union acpi_object, so it is not dereferenced here. A ddb_handle
+	 * (AML_LOAD_OP) cannot be dereferenced, nor can it be converted to
+	 * an union acpi_object.
+	 */
+	switch (info->return_object->reference.opcode) {
+	case AML_INDEX_OP:
+
+		obj_desc = *(info->return_object->reference.where);
+		break;
+
+	case AML_REF_OF_OP:
+
+		node = info->return_object->reference.object;
+		if (node) {
+			obj_desc = node->object;
+		}
+		break;
+
+	default:
+		return;
+	}
+
+	/* Replace the existing reference object */
+
+	if (obj_desc) {
+		acpi_ut_add_reference(obj_desc);
+		acpi_ut_remove_reference(info->return_object);
+		info->return_object = obj_desc;
+	}
+
+	return;
+}
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_walk_namespace
@@ -379,6 +457,7 @@ ACPI_EXPORT_SYMBOL(acpi_evaluate_object)
  *              function, etc.
  *
  ******************************************************************************/
+
 acpi_status
 acpi_walk_namespace(acpi_object_type type,
 		    acpi_handle start_object,
-- 
GitLab


From b7906e324532c1616546f6d4a1306894ba7c0a3d Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Fri, 15 Aug 2008 04:32:59 +0200
Subject: [PATCH 1986/2224] ACPICA: Fix warning for 64-bit build

Fixes warning from exconfig.c on 64-bit build.

AK: This actually was fixed earlier in Linux, this just syncs with
AK: the version of the fix that went into the ACPCA codebase

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/executer/exconfig.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 331a114f42c..4c512c2990e 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -96,8 +96,7 @@ acpi_ex_add_table(u32 table_index,
 
 	/* Install the new table into the local data structures */
 
-	obj_desc->reference.object = ACPI_CAST_PTR(void,
-			(unsigned long)table_index);
+	obj_desc->reference.object = ACPI_TO_POINTER(table_index);
 
 	/* Add the table to the namespace */
 
-- 
GitLab


From c9bdd8057d706a972d804d2d8614a283641a5660 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Mon, 4 Aug 2008 09:54:17 +0800
Subject: [PATCH 1987/2224] ACPICA: Cleanup macro definition file.

Removed unused macros. Ensure that multiple parameters always have a space
after a comma. Cleanup some comments.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acmacros.h | 248 +++++++++++++++++++---------------------
 1 file changed, 115 insertions(+), 133 deletions(-)

diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 57ab9e9d759..2106f9136cc 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -62,7 +62,7 @@
 #define ACPI_ARRAY_LENGTH(x)            (sizeof(x) / sizeof((x)[0]))
 
 /*
- * Extract data using a pointer.  Any more than a byte and we
+ * Extract data using a pointer. Any more than a byte and we
  * get into potential aligment issues -- see the STORE macros below.
  * Use with care.
  */
@@ -80,21 +80,21 @@
  */
 #define ACPI_CAST_PTR(t, p)             ((t *) (acpi_uintptr_t) (p))
 #define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **) (acpi_uintptr_t) (p))
-#define ACPI_ADD_PTR(t, a, b)		ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8,(a)) + (acpi_size)(b)))
-#define ACPI_PTR_DIFF(a, b)		(acpi_size) (ACPI_CAST_PTR (u8,(a)) - ACPI_CAST_PTR (u8,(b)))
+#define ACPI_ADD_PTR(t, a, b)		ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) + (acpi_size)(b)))
+#define ACPI_PTR_DIFF(a, b)		(acpi_size) (ACPI_CAST_PTR (u8, (a)) - ACPI_CAST_PTR (u8, (b)))
 
 /* Pointer/Integer type conversions */
 
 #define ACPI_TO_POINTER(i)		ACPI_ADD_PTR (void, (void *) NULL, (acpi_size) i)
-#define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p,(void *) NULL)
-#define ACPI_OFFSET(d,f)                (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
+#define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p, (void *) NULL)
+#define ACPI_OFFSET(d, f)               (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f), (void *) NULL)
 #define ACPI_PHYSADDR_TO_PTR(i)         ACPI_TO_POINTER(i)
 #define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
 
 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
-#define ACPI_COMPARE_NAME(a,b)          (*ACPI_CAST_PTR (u32,(a)) == *ACPI_CAST_PTR (u32,(b)))
+#define ACPI_COMPARE_NAME(a, b)         (*ACPI_CAST_PTR (u32, (a)) == *ACPI_CAST_PTR (u32, (b)))
 #else
-#define ACPI_COMPARE_NAME(a,b)          (!ACPI_STRNCMP (ACPI_CAST_PTR (char,(a)), ACPI_CAST_PTR (char,(b)), ACPI_NAME_SIZE))
+#define ACPI_COMPARE_NAME(a, b)         (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_CAST_PTR (char, (b)), ACPI_NAME_SIZE))
 #endif
 
 /*
@@ -114,7 +114,7 @@ struct acpi_integer_overlay {
 
 /* Split 64-bit integer into two 32-bit values. Use with %8.8_x%8.8_x */
 
-#define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i),ACPI_LODWORD(i)
+#define ACPI_FORMAT_UINT64(i)           ACPI_HIDWORD(i), ACPI_LODWORD(i)
 
 #if ACPI_MACHINE_WIDTH == 64
 #define ACPI_FORMAT_NATIVE_UINT(i)      ACPI_FORMAT_UINT64(i)
@@ -132,37 +132,33 @@ struct acpi_integer_overlay {
  * Macros for big-endian machines
  */
 
-/* This macro sets a buffer index, starting from the end of the buffer */
-
-#define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) ((buf_len) - (((buf_offset)+1) * (byte_gran)))
-
 /* These macros reverse the bytes during the move, converting little-endian to big endian */
 
 			  /* Big Endian      <==        Little Endian */
 			  /*  Hi...Lo                     Lo...Hi     */
 /* 16-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
+#define ACPI_MOVE_16_TO_16(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\
 					   ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];}
 
-#define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d))=0;\
+#define ACPI_MOVE_16_TO_32(d, s)        {(*(u32 *)(void *)(d))=0;\
 							   ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
 							   ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
 
-#define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
+#define ACPI_MOVE_16_TO_64(d, s)        {(*(u64 *)(void *)(d))=0;\
 									 ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
 									 ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];}
 
 /* 32-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)	/* Truncate to 16 */
+#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)	/* Truncate to 16 */
 
-#define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
+#define ACPI_MOVE_32_TO_32(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\
 										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\
 										 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\
 										 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];}
 
-#define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d))=0;\
+#define ACPI_MOVE_32_TO_64(d, s)        {(*(u64 *)(void *)(d))=0;\
 										   ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\
 										   ((u8 *)(void *)(d))[5] = ((u8 *)(void *)(s))[2];\
 										   ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\
@@ -170,11 +166,11 @@ struct acpi_integer_overlay {
 
 /* 64-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)	/* Truncate to 16 */
+#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)	/* Truncate to 16 */
 
-#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)	/* Truncate to 32 */
+#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)	/* Truncate to 32 */
 
-#define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
+#define ACPI_MOVE_64_TO_64(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[7];\
 										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[6];\
 										 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[5];\
 										 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[4];\
@@ -187,63 +183,59 @@ struct acpi_integer_overlay {
  * Macros for little-endian machines
  */
 
-/* This macro sets a buffer index, starting from the beginning of the buffer */
-
-#define ACPI_BUFFER_INDEX(buf_len,buf_offset,byte_gran) (buf_offset)
-
 #ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
 
 /* The hardware supports unaligned transfers, just do the little-endian move */
 
 /* 16-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_16_TO_16(d,s)         *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
-#define ACPI_MOVE_16_TO_32(d,s)         *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
-#define ACPI_MOVE_16_TO_64(d,s)         *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
+#define ACPI_MOVE_16_TO_16(d, s)        *(u16 *)(void *)(d) = *(u16 *)(void *)(s)
+#define ACPI_MOVE_16_TO_32(d, s)        *(u32 *)(void *)(d) = *(u16 *)(void *)(s)
+#define ACPI_MOVE_16_TO_64(d, s)        *(u64 *)(void *)(d) = *(u16 *)(void *)(s)
 
 /* 32-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)	/* Truncate to 16 */
-#define ACPI_MOVE_32_TO_32(d,s)         *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
-#define ACPI_MOVE_32_TO_64(d,s)         *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
+#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)	/* Truncate to 16 */
+#define ACPI_MOVE_32_TO_32(d, s)        *(u32 *)(void *)(d) = *(u32 *)(void *)(s)
+#define ACPI_MOVE_32_TO_64(d, s)        *(u64 *)(void *)(d) = *(u32 *)(void *)(s)
 
 /* 64-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)	/* Truncate to 16 */
-#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)	/* Truncate to 32 */
-#define ACPI_MOVE_64_TO_64(d,s)         *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
+#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)	/* Truncate to 16 */
+#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)	/* Truncate to 32 */
+#define ACPI_MOVE_64_TO_64(d, s)        *(u64 *)(void *)(d) = *(u64 *)(void *)(s)
 
 #else
 /*
- * The hardware does not support unaligned transfers.  We must move the
- * data one byte at a time.  These macros work whether the source or
+ * The hardware does not support unaligned transfers. We must move the
+ * data one byte at a time. These macros work whether the source or
  * the destination (or both) is/are unaligned.  (Little-endian move)
  */
 
 /* 16-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_16_TO_16(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
+#define ACPI_MOVE_16_TO_16(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];}
 
-#define ACPI_MOVE_16_TO_32(d,s)         {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
-#define ACPI_MOVE_16_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d,s);}
+#define ACPI_MOVE_16_TO_32(d, s)        {(*(u32 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
+#define ACPI_MOVE_16_TO_64(d, s)        {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_16_TO_16(d, s);}
 
 /* 32-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_32_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)	/* Truncate to 16 */
+#define ACPI_MOVE_32_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)	/* Truncate to 16 */
 
-#define ACPI_MOVE_32_TO_32(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
+#define ACPI_MOVE_32_TO_32(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
 										 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
 										 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];}
 
-#define ACPI_MOVE_32_TO_64(d,s)         {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d,s);}
+#define ACPI_MOVE_32_TO_64(d, s)        {(*(u64 *)(void *)(d)) = 0; ACPI_MOVE_32_TO_32(d, s);}
 
 /* 64-bit source, 16/32/64 destination */
 
-#define ACPI_MOVE_64_TO_16(d,s)         ACPI_MOVE_16_TO_16(d,s)	/* Truncate to 16 */
-#define ACPI_MOVE_64_TO_32(d,s)         ACPI_MOVE_32_TO_32(d,s)	/* Truncate to 32 */
-#define ACPI_MOVE_64_TO_64(d,s)         {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
+#define ACPI_MOVE_64_TO_16(d, s)        ACPI_MOVE_16_TO_16(d, s)	/* Truncate to 16 */
+#define ACPI_MOVE_64_TO_32(d, s)        ACPI_MOVE_32_TO_32(d, s)	/* Truncate to 32 */
+#define ACPI_MOVE_64_TO_64(d, s)        {((  u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[0];\
 										 ((  u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[1];\
 										 ((  u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[2];\
 										 ((  u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[3];\
@@ -257,10 +249,10 @@ struct acpi_integer_overlay {
 /* Macros based on machine integer width */
 
 #if ACPI_MACHINE_WIDTH == 32
-#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_32_TO_16(d,s)
+#define ACPI_MOVE_SIZE_TO_16(d, s)       ACPI_MOVE_32_TO_16(d, s)
 
 #elif ACPI_MACHINE_WIDTH == 64
-#define ACPI_MOVE_SIZE_TO_16(d,s)       ACPI_MOVE_64_TO_16(d,s)
+#define ACPI_MOVE_SIZE_TO_16(d, s)       ACPI_MOVE_64_TO_16(d, s)
 
 #else
 #error unknown ACPI_MACHINE_WIDTH
@@ -269,29 +261,29 @@ struct acpi_integer_overlay {
 /*
  * Fast power-of-two math macros for non-optimized compilers
  */
-#define _ACPI_DIV(value,power_of2)      ((u32) ((value) >> (power_of2)))
-#define _ACPI_MUL(value,power_of2)      ((u32) ((value) << (power_of2)))
-#define _ACPI_MOD(value,divisor)        ((u32) ((value) & ((divisor) -1)))
+#define _ACPI_DIV(value, power_of2)      ((u32) ((value) >> (power_of2)))
+#define _ACPI_MUL(value, power_of2)      ((u32) ((value) << (power_of2)))
+#define _ACPI_MOD(value, divisor)        ((u32) ((value) & ((divisor) -1)))
 
-#define ACPI_DIV_2(a)                   _ACPI_DIV(a,1)
-#define ACPI_MUL_2(a)                   _ACPI_MUL(a,1)
-#define ACPI_MOD_2(a)                   _ACPI_MOD(a,2)
+#define ACPI_DIV_2(a)                   _ACPI_DIV(a, 1)
+#define ACPI_MUL_2(a)                   _ACPI_MUL(a, 1)
+#define ACPI_MOD_2(a)                   _ACPI_MOD(a, 2)
 
-#define ACPI_DIV_4(a)                   _ACPI_DIV(a,2)
-#define ACPI_MUL_4(a)                   _ACPI_MUL(a,2)
-#define ACPI_MOD_4(a)                   _ACPI_MOD(a,4)
+#define ACPI_DIV_4(a)                   _ACPI_DIV(a, 2)
+#define ACPI_MUL_4(a)                   _ACPI_MUL(a, 2)
+#define ACPI_MOD_4(a)                   _ACPI_MOD(a, 4)
 
-#define ACPI_DIV_8(a)                   _ACPI_DIV(a,3)
-#define ACPI_MUL_8(a)                   _ACPI_MUL(a,3)
-#define ACPI_MOD_8(a)                   _ACPI_MOD(a,8)
+#define ACPI_DIV_8(a)                   _ACPI_DIV(a, 3)
+#define ACPI_MUL_8(a)                   _ACPI_MUL(a, 3)
+#define ACPI_MOD_8(a)                   _ACPI_MOD(a, 8)
 
-#define ACPI_DIV_16(a)                  _ACPI_DIV(a,4)
-#define ACPI_MUL_16(a)                  _ACPI_MUL(a,4)
-#define ACPI_MOD_16(a)                  _ACPI_MOD(a,16)
+#define ACPI_DIV_16(a)                  _ACPI_DIV(a, 4)
+#define ACPI_MUL_16(a)                  _ACPI_MUL(a, 4)
+#define ACPI_MOD_16(a)                  _ACPI_MOD(a, 16)
 
-#define ACPI_DIV_32(a)                  _ACPI_DIV(a,5)
-#define ACPI_MUL_32(a)                  _ACPI_MUL(a,5)
-#define ACPI_MOD_32(a)                  _ACPI_MOD(a,32)
+#define ACPI_DIV_32(a)                  _ACPI_DIV(a, 5)
+#define ACPI_MUL_32(a)                  _ACPI_MUL(a, 5)
+#define ACPI_MOD_32(a)                  _ACPI_MOD(a, 32)
 
 /*
  * Rounding macros (Power of two boundaries only)
@@ -305,13 +297,13 @@ struct acpi_integer_overlay {
 
 /* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */
 
-#define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a,4)
-#define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a,8)
-#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a,sizeof(acpi_size))
+#define ACPI_ROUND_DOWN_TO_32BIT(a)         ACPI_ROUND_DOWN(a, 4)
+#define ACPI_ROUND_DOWN_TO_64BIT(a)         ACPI_ROUND_DOWN(a, 8)
+#define ACPI_ROUND_DOWN_TO_NATIVE_WORD(a)   ACPI_ROUND_DOWN(a, sizeof(acpi_size))
 
-#define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a,4)
-#define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a,8)
-#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a,sizeof(acpi_size))
+#define ACPI_ROUND_UP_TO_32BIT(a)           ACPI_ROUND_UP(a, 4)
+#define ACPI_ROUND_UP_TO_64BIT(a)           ACPI_ROUND_UP(a, 8)
+#define ACPI_ROUND_UP_TO_NATIVE_WORD(a)     ACPI_ROUND_UP(a, sizeof(acpi_size))
 
 #define ACPI_ROUND_BITS_UP_TO_BYTES(a)      ACPI_DIV_8((a) + 7)
 #define ACPI_ROUND_BITS_DOWN_TO_BYTES(a)    ACPI_DIV_8((a))
@@ -320,9 +312,9 @@ struct acpi_integer_overlay {
 
 /* Generic (non-power-of-two) rounding */
 
-#define ACPI_ROUND_UP_TO(value,boundary)    (((value) + ((boundary)-1)) / (boundary))
+#define ACPI_ROUND_UP_TO(value, boundary)   (((value) + ((boundary)-1)) / (boundary))
 
-#define ACPI_IS_MISALIGNED(value)	    (((acpi_size)value) & (sizeof(acpi_size)-1))
+#define ACPI_IS_MISALIGNED(value)	    (((acpi_size) value) & (sizeof(acpi_size)-1))
 
 /*
  * Bitmask creation
@@ -333,8 +325,6 @@ struct acpi_integer_overlay {
 #define ACPI_MASK_BITS_ABOVE(position)      (~((ACPI_INTEGER_MAX) << ((u32) (position))))
 #define ACPI_MASK_BITS_BELOW(position)      ((ACPI_INTEGER_MAX) << ((u32) (position)))
 
-#define ACPI_IS_OCTAL_DIGIT(d)              (((char)(d) >= '0') && ((char)(d) <= '7'))
-
 /* Bitfields within ACPI registers */
 
 #define ACPI_REGISTER_PREPARE_BITS(val, pos, mask)      ((val << pos) & mask)
@@ -342,39 +332,29 @@ struct acpi_integer_overlay {
 
 #define ACPI_INSERT_BITS(target, mask, source)          target = ((target & (~(mask))) | (source & mask))
 
-/* Generate a UUID */
-
-#define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
-	(a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
-	(b) & 0xFF, ((b) >> 8) & 0xFF, \
-	(c) & 0xFF, ((c) >> 8) & 0xFF, \
-	(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
-
 /*
- * An struct acpi_namespace_node * can appear in some contexts,
- * where a pointer to an union acpi_operand_object    can also
- * appear.  This macro is used to distinguish them.
+ * An struct acpi_namespace_node can appear in some contexts
+ * where a pointer to an union acpi_operand_object can also
+ * appear. This macro is used to distinguish them.
  *
  * The "Descriptor" field is the first field in both structures.
  */
 #define ACPI_GET_DESCRIPTOR_TYPE(d)     (((union acpi_descriptor *)(void *)(d))->common.descriptor_type)
-#define ACPI_SET_DESCRIPTOR_TYPE(d,t)   (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t)
+#define ACPI_SET_DESCRIPTOR_TYPE(d, t)  (((union acpi_descriptor *)(void *)(d))->common.descriptor_type = t)
 
 /* Macro to test the object type */
 
 #define ACPI_GET_OBJECT_TYPE(d)         (((union acpi_operand_object *)(void *)(d))->common.type)
 
-/* Macro to check the table flags for SINGLE or MULTIPLE tables are allowed */
-
-#define ACPI_IS_SINGLE_TABLE(x)         (((x) & 0x01) == ACPI_TABLE_SINGLE ? 1 : 0)
-
 /*
  * Macros for the master AML opcode table
  */
-#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
-#define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {name,(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
+#if defined (ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
+#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
+	{name, (u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
 #else
-#define ACPI_OP(name,Pargs,Iargs,obj_type,class,type,flags)    {(u32)(Pargs),(u32)(Iargs),(u32)(flags),obj_type,class,type}
+#define ACPI_OP(name, Pargs, Iargs, obj_type, class, type, flags) \
+	{(u32)(Pargs), (u32)(Iargs), (u32)(flags), obj_type, class, type}
 #endif
 
 #ifdef ACPI_DISASSEMBLER
@@ -392,18 +372,18 @@ struct acpi_integer_overlay {
 #define ARG_6(x)                        ((u32)(x) << (5 * ARG_TYPE_WIDTH))
 
 #define ARGI_LIST1(a)                   (ARG_1(a))
-#define ARGI_LIST2(a,b)                 (ARG_1(b)|ARG_2(a))
-#define ARGI_LIST3(a,b,c)               (ARG_1(c)|ARG_2(b)|ARG_3(a))
-#define ARGI_LIST4(a,b,c,d)             (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
-#define ARGI_LIST5(a,b,c,d,e)           (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
-#define ARGI_LIST6(a,b,c,d,e,f)         (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a))
+#define ARGI_LIST2(a, b)                (ARG_1(b)|ARG_2(a))
+#define ARGI_LIST3(a, b, c)             (ARG_1(c)|ARG_2(b)|ARG_3(a))
+#define ARGI_LIST4(a, b, c, d)          (ARG_1(d)|ARG_2(c)|ARG_3(b)|ARG_4(a))
+#define ARGI_LIST5(a, b, c, d, e)       (ARG_1(e)|ARG_2(d)|ARG_3(c)|ARG_4(b)|ARG_5(a))
+#define ARGI_LIST6(a, b, c, d, e, f)    (ARG_1(f)|ARG_2(e)|ARG_3(d)|ARG_4(c)|ARG_5(b)|ARG_6(a))
 
 #define ARGP_LIST1(a)                   (ARG_1(a))
-#define ARGP_LIST2(a,b)                 (ARG_1(a)|ARG_2(b))
-#define ARGP_LIST3(a,b,c)               (ARG_1(a)|ARG_2(b)|ARG_3(c))
-#define ARGP_LIST4(a,b,c,d)             (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
-#define ARGP_LIST5(a,b,c,d,e)           (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
-#define ARGP_LIST6(a,b,c,d,e,f)         (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f))
+#define ARGP_LIST2(a, b)                (ARG_1(a)|ARG_2(b))
+#define ARGP_LIST3(a, b, c)             (ARG_1(a)|ARG_2(b)|ARG_3(c))
+#define ARGP_LIST4(a, b, c, d)          (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d))
+#define ARGP_LIST5(a, b, c, d, e)       (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e))
+#define ARGP_LIST6(a, b, c, d, e, f)    (ARG_1(a)|ARG_2(b)|ARG_3(c)|ARG_4(d)|ARG_5(e)|ARG_6(f))
 
 #define GET_CURRENT_ARG_TYPE(list)      (list & ((u32) 0x1F))
 #define INCREMENT_ARG_LIST(list)        (list >>= ((u32) ARG_TYPE_WIDTH))
@@ -434,8 +414,8 @@ struct acpi_integer_overlay {
 #define ACPI_WARNING(plist)             acpi_ut_warning plist
 #define ACPI_EXCEPTION(plist)           acpi_ut_exception plist
 #define ACPI_ERROR(plist)               acpi_ut_error plist
-#define ACPI_ERROR_NAMESPACE(s,e)       acpi_ns_report_error (AE_INFO, s, e);
-#define ACPI_ERROR_METHOD(s,n,p,e)      acpi_ns_report_method_error (AE_INFO, s, n, p, e);
+#define ACPI_ERROR_NAMESPACE(s, e)      acpi_ns_report_error (AE_INFO, s, e);
+#define ACPI_ERROR_METHOD(s, n, p, e)   acpi_ns_report_method_error (AE_INFO, s, n, p, e);
 
 #else
 
@@ -445,8 +425,8 @@ struct acpi_integer_overlay {
 #define ACPI_WARNING(plist)
 #define ACPI_EXCEPTION(plist)
 #define ACPI_ERROR(plist)
-#define ACPI_ERROR_NAMESPACE(s,e)
-#define ACPI_ERROR_METHOD(s,n,p,e)
+#define ACPI_ERROR_NAMESPACE(s, e)
+#define ACPI_ERROR_METHOD(s, n, p, e)
 #endif
 
 /*
@@ -489,18 +469,18 @@ struct acpi_integer_overlay {
 
 #define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
 			  acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
-#define ACPI_FUNCTION_TRACE_PTR(a,b)    ACPI_FUNCTION_NAME(a) \
-					   acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b)
-#define ACPI_FUNCTION_TRACE_U32(a,b)    ACPI_FUNCTION_NAME(a) \
-							 acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS,(u32)b)
-#define ACPI_FUNCTION_TRACE_STR(a,b)    ACPI_FUNCTION_NAME(a) \
-									  acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS,(char *)b)
+#define ACPI_FUNCTION_TRACE_PTR(a, b)   ACPI_FUNCTION_NAME(a) \
+					   acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS, (void *)b)
+#define ACPI_FUNCTION_TRACE_U32(a, b)   ACPI_FUNCTION_NAME(a) \
+							 acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS, (u32)b)
+#define ACPI_FUNCTION_TRACE_STR(a, b)   ACPI_FUNCTION_NAME(a) \
+									  acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS, (char *)b)
 
 #define ACPI_FUNCTION_ENTRY()           acpi_ut_track_stack_ptr()
 
 /*
  * Function exit tracing.
- * WARNING: These macros include a return statement.  This is usually considered
+ * WARNING: These macros include a return statement. This is usually considered
  * bad form, but having a separate exit macro is very ugly and difficult to maintain.
  * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
  * so that "_AcpiFunctionName" is defined.
@@ -596,13 +576,13 @@ struct acpi_integer_overlay {
 
 /* Stack and buffer dumping */
 
-#define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a),0)
-#define ACPI_DUMP_OPERANDS(a,b,c)	acpi_ex_dump_operands(a,b,c)
+#define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a), 0)
+#define ACPI_DUMP_OPERANDS(a, b, c)	acpi_ex_dump_operands(a, b, c)
 
-#define ACPI_DUMP_ENTRY(a,b)            acpi_ns_dump_entry (a,b)
-#define ACPI_DUMP_PATHNAME(a,b,c,d)     acpi_ns_dump_pathname(a,b,c,d)
+#define ACPI_DUMP_ENTRY(a, b)           acpi_ns_dump_entry (a, b)
+#define ACPI_DUMP_PATHNAME(a, b, c, d)  acpi_ns_dump_pathname(a, b, c, d)
 #define ACPI_DUMP_RESOURCE_LIST(a)      acpi_rs_dump_resource_list(a)
-#define ACPI_DUMP_BUFFER(a,b)           acpi_ut_dump_buffer((u8 *)a,b,DB_BYTE_DISPLAY,_COMPONENT)
+#define ACPI_DUMP_BUFFER(a, b)          acpi_ut_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
 
 /*
  * Master debug print macros
@@ -625,20 +605,20 @@ struct acpi_integer_overlay {
 #define ACPI_DEBUG_ONLY_MEMBERS(a)	do { } while(0)
 #define ACPI_FUNCTION_NAME(a)		do { } while(0)
 #define ACPI_FUNCTION_TRACE(a)		do { } while(0)
-#define ACPI_FUNCTION_TRACE_PTR(a,b)	do { } while(0)
-#define ACPI_FUNCTION_TRACE_U32(a,b)	do { } while(0)
-#define ACPI_FUNCTION_TRACE_STR(a,b)	do { } while(0)
+#define ACPI_FUNCTION_TRACE_PTR(a, b)	do { } while(0)
+#define ACPI_FUNCTION_TRACE_U32(a, b)	do { } while(0)
+#define ACPI_FUNCTION_TRACE_STR(a, b)	do { } while(0)
 #define ACPI_FUNCTION_EXIT		do { } while(0)
 #define ACPI_FUNCTION_STATUS_EXIT(s)	do { } while(0)
 #define ACPI_FUNCTION_VALUE_EXIT(s)	do { } while(0)
 #define ACPI_FUNCTION_ENTRY()		do { } while(0)
 #define ACPI_DUMP_STACK_ENTRY(a)	do { } while(0)
-#define ACPI_DUMP_OPERANDS(a,b,c)      do { } while(0)
-#define ACPI_DUMP_ENTRY(a,b)		do { } while(0)
-#define ACPI_DUMP_TABLES(a,b)		do { } while(0)
-#define ACPI_DUMP_PATHNAME(a,b,c,d)	do { } while(0)
+#define ACPI_DUMP_OPERANDS(a, b, c)     do { } while(0)
+#define ACPI_DUMP_ENTRY(a, b)		do { } while(0)
+#define ACPI_DUMP_TABLES(a, b)		do { } while(0)
+#define ACPI_DUMP_PATHNAME(a, b, c, d)	do { } while(0)
 #define ACPI_DUMP_RESOURCE_LIST(a)	do { } while(0)
-#define ACPI_DUMP_BUFFER(a,b)		do { } while(0)
+#define ACPI_DUMP_BUFFER(a, b)		do { } while(0)
 #define ACPI_DEBUG_PRINT(pl)		do { } while(0)
 #define ACPI_DEBUG_PRINT_RAW(pl)	do { } while(0)
 
@@ -677,15 +657,17 @@ struct acpi_integer_overlay {
 /*
  * Memory allocation tracking (DEBUG ONLY)
  */
+#define ACPI_MEM_PARAMETERS         _COMPONENT, _acpi_module_name, __LINE__
+
 #ifndef ACPI_DBG_TRACK_ALLOCATIONS
 
 /* Memory allocation */
 
 #ifndef ACPI_ALLOCATE
-#define ACPI_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a), ACPI_MEM_PARAMETERS)
 #endif
 #ifndef ACPI_ALLOCATE_ZEROED
-#define ACPI_ALLOCATE_ZEROED(a)     acpi_ut_allocate_zeroed((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_ALLOCATE_ZEROED(a)     acpi_ut_allocate_zeroed((acpi_size)(a), ACPI_MEM_PARAMETERS)
 #endif
 #ifndef ACPI_FREE
 #define ACPI_FREE(a)                acpio_os_free(a)
@@ -696,9 +678,9 @@ struct acpi_integer_overlay {
 
 /* Memory allocation */
 
-#define ACPI_ALLOCATE(a)            acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_ALLOCATE_ZEROED(a)     acpi_ut_allocate_zeroed_and_track((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
-#define ACPI_FREE(a)                acpi_ut_free_and_track(a,_COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_ALLOCATE(a)            acpi_ut_allocate_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS)
+#define ACPI_ALLOCATE_ZEROED(a)     acpi_ut_allocate_zeroed_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS)
+#define ACPI_FREE(a)                acpi_ut_free_and_track(a, ACPI_MEM_PARAMETERS)
 #define ACPI_MEM_TRACKING(a)        a
 
 #endif				/* ACPI_DBG_TRACK_ALLOCATIONS */
-- 
GitLab


From 0a1fbf2db0d275f0f8160bb9c3e51c4df5bafdc2 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Fri, 4 Jul 2008 10:53:58 +0800
Subject: [PATCH 1988/2224] ACPICA: Return method arg count from
 acpi_get_object_info

Also update the debugger so that the correct number of arguments is
passed to the method. Prevents a warning message from the debugger.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/namespace/nsxfname.c | 4 ++++
 include/acpi/actypes.h            | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c
index 3cb910ded44..5efa4e7ddb0 100644
--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/namespace/nsxfname.c
@@ -265,6 +265,10 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
 	info->name = node->name.integer;
 	info->valid = 0;
 
+	if (node->type == ACPI_TYPE_METHOD) {
+		info->param_count = node->object->method.param_count;
+	}
+
 	status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 	if (ACPI_FAILURE(status)) {
 		goto cleanup;
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 73d6b1cb07f..6bd08e83f31 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -859,6 +859,7 @@ struct acpi_obj_info_header {
 struct acpi_device_info {
 	ACPI_COMMON_OBJ_INFO;
 
+	u32 param_count;	/* If a method, required parameter count */
 	u32 valid;		/* Indicates which fields below are valid */
 	u32 current_status;	/* _STA value */
 	acpi_integer address;	/* _ADR value if any */
-- 
GitLab


From d00d23651d17a2848f6923f3b1ec4efe19f5f2f1 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Mon, 4 Aug 2008 10:12:31 +0800
Subject: [PATCH 1989/2224] ACPICA: Update version to 20080701

Update version to 20080701.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acconfig.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 4eb75a88795..328caeee821 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION 		0x20080609
+#define ACPI_CA_VERSION 		0x20080701
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
-- 
GitLab


From f02a99ac66748f8b62477c86f6df04d3ec6169fd Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Mon, 4 Aug 2008 10:40:09 +0800
Subject: [PATCH 1990/2224] ACPICA: Add function to decode reference obj types
 to strings

Created for improved error messages.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/utilities/utglobal.c | 36 +++++++++++++++++++++++++++++++
 include/acpi/acutils.h            |  2 ++
 2 files changed, 38 insertions(+)

diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 248eefc369f..bcace577183 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -45,6 +45,7 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
+#include <acpi/amlcode.h>
 
 ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
 #define _COMPONENT          ACPI_UTILITIES
@@ -575,6 +576,41 @@ char *acpi_ut_get_descriptor_name(void *object)
 
 }
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_get_reference_name
+ *
+ * PARAMETERS:  Object               - An ACPI reference object
+ *
+ * RETURN:      Pointer to a string
+ *
+ * DESCRIPTION: Decode a reference object sub-type to a string.
+ *
+ ******************************************************************************/
+
+/* Printable names of reference object sub-types */
+
+const char *acpi_ut_get_reference_name(union acpi_operand_object *object)
+{
+
+	switch (object->reference.opcode) {
+	case AML_INT_NAMEPATH_OP:
+		return "Name";
+
+	case AML_LOAD_OP:
+		return "DDB-Handle";
+
+	case AML_REF_OF_OP:
+		return "RefOf";
+
+	case AML_INDEX_OP:
+		return "Index";
+
+	default:
+		return "Unknown";
+	}
+}
+
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /*
  * Strings and procedures used for debug only
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index 10ce81406f9..d8307b2987e 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -126,6 +126,8 @@ char *acpi_ut_get_node_name(void *object);
 
 char *acpi_ut_get_descriptor_name(void *object);
 
+const char *acpi_ut_get_reference_name(union acpi_operand_object *object);
+
 char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc);
 
 char *acpi_ut_get_region_name(u8 space_id);
-- 
GitLab


From c2de3a49454cdc9ca42bbd5d742913421d049f59 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Mon, 4 Aug 2008 10:41:29 +0800
Subject: [PATCH 1991/2224] ACPICA: Improve object conversion error messages

Better error messages during object conversion from internal
to the external ACPI_OBJECT. Used for external calls to
acpi_evaluate_object.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/utilities/utobject.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index 916eff399eb..924d05af94d 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -503,7 +503,9 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
 			 * required eventually.
 			 */
 			ACPI_ERROR((AE_INFO,
-				    "Unsupported Reference opcode=%X in object %p",
+				    "Cannot convert to external object - "
+				    "unsupported Reference type [%s] %X in object %p",
+				    acpi_ut_get_reference_name(internal_object),
 				    internal_object->reference.opcode,
 				    internal_object));
 			status = AE_TYPE;
@@ -513,7 +515,9 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
 
 	default:
 
-		ACPI_ERROR((AE_INFO, "Unsupported type=%X in object %p",
+		ACPI_ERROR((AE_INFO, "Cannot convert to external object - "
+			    "unsupported type [%s] %X in object %p",
+			    acpi_ut_get_object_type_name(internal_object),
 			    ACPI_GET_OBJECT_TYPE(internal_object),
 			    internal_object));
 		status = AE_TYPE;
-- 
GitLab


From 1d7cc03049f7c9c5cced9208a39316c5245ef314 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Mon, 4 Aug 2008 10:42:47 +0800
Subject: [PATCH 1992/2224] ACPICA: x2APIC support: changes for MADT and SRAT
 ACPI tables

Support for the x2APIC. There are 2 new subtables for the MADT and
one new subtable for the SRAT. Includes disassembler and acpisrc
support. Data from the Intel 64 Architecture x2APIC Specification,
June 2008.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acdisasm.h |  4 ++++
 include/acpi/actbl1.h   | 51 ++++++++++++++++++++++++++++++++++++-----
 2 files changed, 49 insertions(+), 6 deletions(-)

diff --git a/include/acpi/acdisasm.h b/include/acpi/acdisasm.h
index f53faca8ec8..0c1ed387073 100644
--- a/include/acpi/acdisasm.h
+++ b/include/acpi/acdisasm.h
@@ -186,6 +186,8 @@ extern struct acpi_dmtable_info acpi_dm_table_info_madt5[];
 extern struct acpi_dmtable_info acpi_dm_table_info_madt6[];
 extern struct acpi_dmtable_info acpi_dm_table_info_madt7[];
 extern struct acpi_dmtable_info acpi_dm_table_info_madt8[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt9[];
+extern struct acpi_dmtable_info acpi_dm_table_info_madt10[];
 extern struct acpi_dmtable_info acpi_dm_table_info_madt_hdr[];
 extern struct acpi_dmtable_info acpi_dm_table_info_mcfg[];
 extern struct acpi_dmtable_info acpi_dm_table_info_mcfg0[];
@@ -197,8 +199,10 @@ extern struct acpi_dmtable_info acpi_dm_table_info_slit[];
 extern struct acpi_dmtable_info acpi_dm_table_info_spcr[];
 extern struct acpi_dmtable_info acpi_dm_table_info_spmi[];
 extern struct acpi_dmtable_info acpi_dm_table_info_srat[];
+extern struct acpi_dmtable_info acpi_dm_table_info_srat_hdr[];
 extern struct acpi_dmtable_info acpi_dm_table_info_srat0[];
 extern struct acpi_dmtable_info acpi_dm_table_info_srat1[];
+extern struct acpi_dmtable_info acpi_dm_table_info_srat2[];
 extern struct acpi_dmtable_info acpi_dm_table_info_tcpa[];
 extern struct acpi_dmtable_info acpi_dm_table_info_wdrt[];
 
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index d38f9be2f6e..63f5b4cf4de 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -908,7 +908,9 @@ enum acpi_madt_type {
 	ACPI_MADT_TYPE_IO_SAPIC = 6,
 	ACPI_MADT_TYPE_LOCAL_SAPIC = 7,
 	ACPI_MADT_TYPE_INTERRUPT_SOURCE = 8,
-	ACPI_MADT_TYPE_RESERVED = 9	/* 9 and greater are reserved */
+	ACPI_MADT_TYPE_LOCAL_X2APIC = 9,
+	ACPI_MADT_TYPE_LOCAL_X2APIC_NMI = 10,
+	ACPI_MADT_TYPE_RESERVED = 11	/* 11 and greater are reserved */
 };
 
 /*
@@ -1009,6 +1011,26 @@ struct acpi_madt_interrupt_source {
 
 #define ACPI_MADT_CPEI_OVERRIDE     (1)
 
+/* 9: Processor Local X2_APIC (07/2008) */
+
+struct acpi_madt_local_x2apic {
+	struct acpi_subtable_header header;
+	u16 reserved;		/* Reserved - must be zero */
+	u32 local_apic_id;	/* Processor X2_APIC ID  */
+	u32 lapic_flags;
+	u32 uid;		/* Extended X2_APIC processor ID */
+};
+
+/* 10: Local X2APIC NMI (07/2008) */
+
+struct acpi_madt_local_x2apic_nmi {
+	struct acpi_subtable_header header;
+	u16 inti_flags;
+	u32 uid;		/* Processor X2_APIC ID */
+	u8 lint;		/* LINTn to which NMI is connected */
+	u8 reserved[3];
+};
+
 /*
  * Common flags fields for MADT subtables
  */
@@ -1150,10 +1172,15 @@ struct acpi_table_srat {
 enum acpi_srat_type {
 	ACPI_SRAT_TYPE_CPU_AFFINITY = 0,
 	ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
-	ACPI_SRAT_TYPE_RESERVED = 2
+	ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
+	ACPI_SRAT_TYPE_RESERVED = 3	/* 3 and greater are reserved */
 };
 
-/* SRAT sub-tables */
+/*
+ * SRAT Sub-tables, correspond to Type in struct acpi_subtable_header
+ */
+
+/* 0: Processor Local APIC/SAPIC Affinity */
 
 struct acpi_srat_cpu_affinity {
 	struct acpi_subtable_header header;
@@ -1165,9 +1192,7 @@ struct acpi_srat_cpu_affinity {
 	u32 reserved;		/* Reserved, must be zero */
 };
 
-/* Flags */
-
-#define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */
+/* 1: Memory Affinity */
 
 struct acpi_srat_mem_affinity {
 	struct acpi_subtable_header header;
@@ -1186,6 +1211,20 @@ struct acpi_srat_mem_affinity {
 #define ACPI_SRAT_MEM_HOT_PLUGGABLE (1<<1)	/* 01: Memory region is hot pluggable */
 #define ACPI_SRAT_MEM_NON_VOLATILE  (1<<2)	/* 02: Memory region is non-volatile */
 
+/* 2: Processor Local X2_APIC Affinity (07/2008) */
+
+struct acpi_srat_x2apic_cpu_affinity {
+	struct acpi_subtable_header header;
+	u16 reserved;		/* Reserved, must be zero */
+	u32 proximity_domain;
+	u32 apic_id;
+	u32 flags;
+};
+
+/* Flags for struct acpi_srat_cpu_affinity and struct acpi_srat_x2apic_cpu_affinity */
+
+#define ACPI_SRAT_CPU_ENABLED       (1)	/* 00: Use affinity structure */
+
 /*******************************************************************************
  *
  * TCPA - Trusted Computing Platform Alliance table
-- 
GitLab


From eec935490172dbfa1a32647f9deb2b66a66f2741 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Mon, 4 Aug 2008 11:15:11 +0800
Subject: [PATCH 1993/2224] ACPICA: Update version to 20080729

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acconfig.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 328caeee821..4da88b165b5 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION 		0x20080701
+#define ACPI_CA_VERSION 		0x20080729
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
-- 
GitLab


From 8bd108d14604d9c95000751e6c6ecbd11ea6ed40 Mon Sep 17 00:00:00 2001
From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Thu, 25 Sep 2008 21:40:30 +0400
Subject: [PATCH 1994/2224] ACPICA: add preemption point after each opcode
 parse

Reference: http://marc.info/?l=linux-acpi&m=122236382701062&w=2

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/parser/psloop.c    | 2 ++
 include/acpi/acmacros.h         | 5 +++++
 include/acpi/platform/aclinux.h | 6 ++++++
 3 files changed, 13 insertions(+)

diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index c06238e55d9..4647039a0d8 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -719,6 +719,8 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state,
 		*op = NULL;
 	}
 
+	ACPI_PREEMPTION_POINT();
+
 	return_ACPI_STATUS(AE_OK);
 }
 
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 2106f9136cc..a1e3240bf46 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -685,4 +685,9 @@ struct acpi_integer_overlay {
 
 #endif				/* ACPI_DBG_TRACK_ALLOCATIONS */
 
+/* Preemption point */
+#ifndef ACPI_PREEMPTION_POINT
+#define ACPI_PREEMPTION_POINT() /* no preemption */
+#endif
+
 #endif				/* ACMACROS_H */
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 9af46459868..029c8c06c15 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -53,6 +53,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/ctype.h>
+#include <linux/sched.h>
 #include <asm/system.h>
 #include <asm/atomic.h>
 #include <asm/div64.h>
@@ -137,4 +138,9 @@ static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
 #define ACPI_ALLOCATE_ZEROED(a)	acpi_os_allocate_zeroed(a)
 #define ACPI_FREE(a)		kfree(a)
 
+/*
+ * We need to show where it is safe to preempt execution of ACPICA
+ */
+#define ACPI_PREEMPTION_POINT()	cond_resched()
+
 #endif				/* __ACLINUX_H__ */
-- 
GitLab


From 55ac9a018f83e4f42f3c6ce98a8dbda73b985935 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Sun, 28 Sep 2008 14:51:56 +0800
Subject: [PATCH 1995/2224] ACPI: replace ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ...)
 with printk

ACPI_DB_ERROR and ACPI_DB_WARN were removed from ACPICA core.
So replace ACPI_DEBUG_PRINT((ACPI_DB_ERROR, ...) with printk(KERN_ERR PREFIX ...)
and ACPI_DEBUG_PRINT((ACPI_DB_WARN, ...) with printk(KERN_WARNING PREFIX ...)

We do not use ACPI_ERROR/ACPI_WARNING since they're not exported, see
-------------------------------------------------------------
commit 6468463abd7051fcc29f3ee7c931f9bbbb26f5a4
Author: Len Brown <len.brown@intel.com>
Date:   Mon Jun 26 23:41:38 2006 -0400

    ACPI: un-export ACPI_ERROR() -- use printk(KERN_ERR...)

    Signed-off-by: Len Brown <len.brown@intel.com>
-------------------------------------------------------------

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/acpi_memhotplug.c      |  4 ++--
 drivers/acpi/cm_sbs.c               |  8 ++++----
 drivers/acpi/fan.c                  |  4 ++--
 drivers/acpi/osl.c                  |  4 ++--
 drivers/acpi/processor_perflib.c    | 10 +++++-----
 drivers/acpi/processor_throttling.c | 10 +++++-----
 drivers/acpi/scan.c                 | 10 +++++-----
 drivers/acpi/system.c               |  4 ++--
 drivers/acpi/thermal.c              |  4 ++--
 drivers/acpi/video.c                | 12 ++++++------
 10 files changed, 35 insertions(+), 35 deletions(-)

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 5f1127ad5a9..bbad9b6c2c8 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -454,8 +454,8 @@ static int acpi_memory_device_start (struct acpi_device *device)
 		/* call add_memory func */
 		result = acpi_memory_enable_device(mem_device);
 		if (result)
-			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				"Error in acpi_memory_enable_device\n"));
+			printk(KERN_ERR PREFIX
+				"Error in acpi_memory_enable_device\n");
 	}
 	return result;
 }
diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
index f9db4f444bd..4441e84b28a 100644
--- a/drivers/acpi/cm_sbs.c
+++ b/drivers/acpi/cm_sbs.c
@@ -52,8 +52,8 @@ struct proc_dir_entry *acpi_lock_ac_dir(void)
 	if (acpi_ac_dir) {
 		lock_ac_dir_cnt++;
 	} else {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				  "Cannot create %s\n", ACPI_AC_CLASS));
+		printk(KERN_ERR PREFIX
+				  "Cannot create %s\n", ACPI_AC_CLASS);
 	}
 	mutex_unlock(&cm_sbs_mutex);
 	return acpi_ac_dir;
@@ -83,8 +83,8 @@ struct proc_dir_entry *acpi_lock_battery_dir(void)
 	if (acpi_battery_dir) {
 		lock_battery_dir_cnt++;
 	} else {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				  "Cannot create %s\n", ACPI_BATTERY_CLASS));
+		printk(KERN_ERR PREFIX
+				  "Cannot create %s\n", ACPI_BATTERY_CLASS);
 	}
 	mutex_unlock(&cm_sbs_mutex);
 	return acpi_battery_dir;
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 2655bc1b4ee..dfc0486ffaf 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -327,8 +327,8 @@ static int acpi_fan_resume(struct acpi_device *device)
 
 	result = acpi_bus_get_power(device->handle, &power_state);
 	if (result) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				  "Error reading fan power state\n"));
+		printk(KERN_ERR PREFIX
+				  "Error reading fan power state\n");
 		return result;
 	}
 
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 235a1386888..1420a9f69e5 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -729,8 +729,8 @@ acpi_status acpi_os_execute(acpi_execute_type type,
 	INIT_WORK(&dpc->work, acpi_os_execute_deferred);
 	queue = (type == OSL_NOTIFY_HANDLER) ? kacpi_notify_wq : kacpid_wq;
 	if (!queue_work(queue, &dpc->work)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			  "Call to queue_work() failed.\n"));
+		printk(KERN_ERR PREFIX
+			  "Call to queue_work() failed.\n");
 		status = AE_ERROR;
 		kfree(dpc);
 	}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 80c251ec6d2..e5c457b45f2 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -524,13 +524,13 @@ static int acpi_processor_get_psd(struct acpi_processor	*pr)
 
 	psd = buffer.pointer;
 	if (!psd || (psd->type != ACPI_TYPE_PACKAGE)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSD data\n"));
+		printk(KERN_ERR PREFIX "Invalid _PSD data\n");
 		result = -EFAULT;
 		goto end;
 	}
 
 	if (psd->package.count != 1) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSD data\n"));
+		printk(KERN_ERR PREFIX "Invalid _PSD data\n");
 		result = -EFAULT;
 		goto end;
 	}
@@ -543,19 +543,19 @@ static int acpi_processor_get_psd(struct acpi_processor	*pr)
 	status = acpi_extract_package(&(psd->package.elements[0]),
 		&format, &state);
 	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSD data\n"));
+		printk(KERN_ERR PREFIX "Invalid _PSD data\n");
 		result = -EFAULT;
 		goto end;
 	}
 
 	if (pdomain->num_entries != ACPI_PSD_REV0_ENTRIES) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _PSD:num_entries\n"));
+		printk(KERN_ERR PREFIX "Unknown _PSD:num_entries\n");
 		result = -EFAULT;
 		goto end;
 	}
 
 	if (pdomain->revision != ACPI_PSD_REV0_REVISION) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _PSD:revision\n"));
+		printk(KERN_ERR PREFIX "Unknown _PSD:revision\n");
 		result = -EFAULT;
 		goto end;
 	}
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index a56fc6c4394..e89a25824f2 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -528,13 +528,13 @@ static int acpi_processor_get_tsd(struct acpi_processor *pr)
 
 	tsd = buffer.pointer;
 	if (!tsd || (tsd->type != ACPI_TYPE_PACKAGE)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _TSD data\n"));
+		printk(KERN_ERR PREFIX "Invalid _TSD data\n");
 		result = -EFAULT;
 		goto end;
 	}
 
 	if (tsd->package.count != 1) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _TSD data\n"));
+		printk(KERN_ERR PREFIX "Invalid _TSD data\n");
 		result = -EFAULT;
 		goto end;
 	}
@@ -547,19 +547,19 @@ static int acpi_processor_get_tsd(struct acpi_processor *pr)
 	status = acpi_extract_package(&(tsd->package.elements[0]),
 				      &format, &state);
 	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _TSD data\n"));
+		printk(KERN_ERR PREFIX "Invalid _TSD data\n");
 		result = -EFAULT;
 		goto end;
 	}
 
 	if (pdomain->num_entries != ACPI_TSD_REV0_ENTRIES) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _TSD:num_entries\n"));
+		printk(KERN_ERR PREFIX "Unknown _TSD:num_entries\n");
 		result = -EFAULT;
 		goto end;
 	}
 
 	if (pdomain->revision != ACPI_TSD_REV0_REVISION) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unknown _TSD:revision\n"));
+		printk(KERN_ERR PREFIX "Unknown _TSD:revision\n");
 		result = -EFAULT;
 		goto end;
 	}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index f6f52c1a2ab..81d6095468f 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -113,16 +113,16 @@ static int acpi_bus_hot_remove_device(void *context)
 
 
 	if (acpi_bus_trim(device, 1)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				"Removing device failed\n"));
+		printk(KERN_ERR PREFIX
+				"Removing device failed\n");
 		return -1;
 	}
 
 	/* power off device */
 	status = acpi_evaluate_object(handle, "_PS3", NULL, NULL);
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
-		ACPI_DEBUG_PRINT((ACPI_DB_WARN,
-				"Power-off device failed\n"));
+		printk(KERN_WARNING PREFIX
+				"Power-off device failed\n");
 
 	if (device->flags.lockable) {
 		arg_list.count = 1;
@@ -477,7 +477,7 @@ static int acpi_device_register(struct acpi_device *device,
 
 	result = acpi_device_setup_files(device);
 	if(result)
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error creating sysfs interface for device %s\n", device->dev.bus_id));
+		printk(KERN_ERR PREFIX "Error creating sysfs interface for device %s\n", device->dev.bus_id);
 
 	device->removal_type = ACPI_BUS_REMOVAL_NORMAL;
 	return 0;
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 91dec448b3e..3eefd6d029f 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -387,8 +387,8 @@ static ssize_t counter_set(struct kobject *kobj,
 		goto end;
 
 	if (!(all_counters[index].flags & ACPI_EVENT_VALID)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_WARN,
-			"Can not change Invalid GPE/Fixed Event status\n"));
+		printk(KERN_WARNING PREFIX
+			"Can not change Invalid GPE/Fixed Event status\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 912703691d3..263ec08a901 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1213,8 +1213,8 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
 				  acpi_bus_private_data_handler,
 				  tz->thermal_zone);
 	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				"Error attaching device data\n"));
+		printk(KERN_ERR PREFIX
+				"Error attaching device data\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index e8a51a1700f..4ae39ee8cde 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1530,8 +1530,8 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
 						     acpi_video_device_notify,
 						     data);
 		if (ACPI_FAILURE(status)) {
-			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-					  "Error installing notify handler\n"));
+			printk(KERN_ERR PREFIX
+					  "Error installing notify handler\n");
 			if(data->brightness)
 				kfree(data->brightness->levels);
 			kfree(data->brightness);
@@ -1745,8 +1745,8 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
 
 		status = acpi_video_bus_get_one_device(dev, video);
 		if (ACPI_FAILURE(status)) {
-			ACPI_DEBUG_PRINT((ACPI_DB_WARN,
-					"Cant attach device"));
+			printk(KERN_WARNING PREFIX
+					"Cant attach device");
 			continue;
 		}
 	}
@@ -2003,8 +2003,8 @@ static int acpi_video_bus_add(struct acpi_device *device)
 					     ACPI_DEVICE_NOTIFY,
 					     acpi_video_bus_notify, video);
 	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				  "Error installing notify handler\n"));
+		printk(KERN_ERR PREFIX
+				  "Error installing notify handler\n");
 		error = -ENODEV;
 		goto err_stop_video;
 	}
-- 
GitLab


From 23d3e055beb12db2a3b91dfeee474c4d5ecc13b9 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sun, 28 Sep 2008 15:00:47 +0800
Subject: [PATCH 1996/2224] ACPICA: Remove obsolete debug levels (WARN and
 ERROR)

Removed ACPI_DB_WARN and ACPI_DB_ERROR. These debug levels were
made obsolete by the ACPI_WARNING and ACPI_ERROR/ACPI_EXCEPTION
interfaces.  Also added ACPI_DB_EVENTS to correspond with the
existing ACPI_LV_EVENTS.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/debug.c              |  2 --
 drivers/acpi/executer/exstore.c   |  2 +-
 drivers/acpi/namespace/nssearch.c |  2 +-
 include/acpi/acoutput.h           | 32 +++++++++++++------------------
 4 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index 6df564f4ca6..abf36b4b1d1 100644
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -47,8 +47,6 @@ static const struct acpi_dlayer acpi_debug_layers[] = {
 };
 
 static const struct acpi_dlevel acpi_debug_levels[] = {
-	ACPI_DEBUG_INIT(ACPI_LV_ERROR),
-	ACPI_DEBUG_INIT(ACPI_LV_WARN),
 	ACPI_DEBUG_INIT(ACPI_LV_INIT),
 	ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT),
 	ACPI_DEBUG_INIT(ACPI_LV_INFO),
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 38b55e35249..09e96846d15 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -403,7 +403,7 @@ acpi_ex_store(union acpi_operand_object *source_desc,
 
 		ACPI_ERROR((AE_INFO, "Unknown Reference opcode %X",
 			    ref_desc->reference.opcode));
-		ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_ERROR);
+		ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_INFO);
 
 		status = AE_AML_INTERNAL;
 		break;
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index 8399276cba1..a9a80bf811b 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -331,7 +331,7 @@ acpi_ns_search_and_enter(u32 target_name,
 				      "Found bad character(s) in name, repaired: [%4.4s]\n",
 				      ACPI_CAST_PTR(char, &target_name)));
 		} else {
-			ACPI_DEBUG_PRINT((ACPI_DB_WARN,
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 					  "Found bad character(s) in name, repaired: [%4.4s]\n",
 					  ACPI_CAST_PTR(char, &target_name)));
 		}
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index e17873defce..09d33c7740f 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -80,12 +80,10 @@
 /*
  * Raw debug output levels, do not use these in the DEBUG_PRINT macros
  */
-#define ACPI_LV_ERROR               0x00000001
-#define ACPI_LV_WARN                0x00000002
-#define ACPI_LV_INIT                0x00000004
-#define ACPI_LV_DEBUG_OBJECT        0x00000008
-#define ACPI_LV_INFO                0x00000010
-#define ACPI_LV_ALL_EXCEPTIONS      0x0000001F
+#define ACPI_LV_INIT                0x00000001
+#define ACPI_LV_DEBUG_OBJECT        0x00000002
+#define ACPI_LV_INFO                0x00000004
+#define ACPI_LV_ALL_EXCEPTIONS      0x00000007
 
 /* Trace verbosity level 1 [Standard Trace Level] */
 
@@ -127,7 +125,6 @@
 #define ACPI_LV_VERBOSE_INFO        0x20000000
 #define ACPI_LV_FULL_TABLES         0x40000000
 #define ACPI_LV_EVENTS              0x80000000
-
 #define ACPI_LV_VERBOSE             0xF0000000
 
 /*
@@ -135,21 +132,17 @@
  */
 #define ACPI_DEBUG_LEVEL(dl)        (u32) dl,ACPI_DEBUG_PARAMETERS
 
-/* Exception level -- used in the global "DebugLevel" */
-
+/*
+ * Exception level -- used in the global "DebugLevel"
+ *
+ * Note: For errors, use the ACPI_ERROR or ACPI_EXCEPTION interfaces.
+ * For warnings, use ACPI_WARNING.
+ */
 #define ACPI_DB_INIT                ACPI_DEBUG_LEVEL (ACPI_LV_INIT)
 #define ACPI_DB_DEBUG_OBJECT        ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT)
 #define ACPI_DB_INFO                ACPI_DEBUG_LEVEL (ACPI_LV_INFO)
 #define ACPI_DB_ALL_EXCEPTIONS      ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS)
 
-/*
- * These two levels are essentially obsolete, all instances in the
- * ACPICA core code have been replaced by ACPI_ERROR and ACPI_WARNING
- * (Kept here because some drivers may still use them)
- */
-#define ACPI_DB_ERROR               ACPI_DEBUG_LEVEL (ACPI_LV_ERROR)
-#define ACPI_DB_WARN                ACPI_DEBUG_LEVEL (ACPI_LV_WARN)
-
 /* Trace level -- also used in the global "DebugLevel" */
 
 #define ACPI_DB_INIT_NAMES          ACPI_DEBUG_LEVEL (ACPI_LV_INIT_NAMES)
@@ -173,13 +166,14 @@
 #define ACPI_DB_USER_REQUESTS       ACPI_DEBUG_LEVEL (ACPI_LV_USER_REQUESTS)
 #define ACPI_DB_PACKAGE             ACPI_DEBUG_LEVEL (ACPI_LV_PACKAGE)
 #define ACPI_DB_MUTEX               ACPI_DEBUG_LEVEL (ACPI_LV_MUTEX)
+#define ACPI_DB_EVENTS              ACPI_DEBUG_LEVEL (ACPI_LV_EVENTS)
 
 #define ACPI_DB_ALL                 ACPI_DEBUG_LEVEL (ACPI_LV_ALL)
 
 /* Defaults for debug_level, debug and normal */
 
-#define ACPI_DEBUG_DEFAULT          (ACPI_LV_INIT | ACPI_LV_WARN | ACPI_LV_ERROR)
-#define ACPI_NORMAL_DEFAULT         (ACPI_LV_INIT | ACPI_LV_WARN | ACPI_LV_ERROR)
+#define ACPI_DEBUG_DEFAULT          (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT)
+#define ACPI_NORMAL_DEFAULT         (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT)
 #define ACPI_DEBUG_ALL              (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL)
 
 #endif				/* __ACOUTPUT_H__ */
-- 
GitLab


From 8d5c54b65b20bf81fa9841a27143e2f71f3a7756 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 10:22:09 +0800
Subject: [PATCH 1997/2224] ACPICA: Add namespace node to operand object union

Add ACPI_NAMESPACE_NODE to the ACPI_OPERAND_OBJECT in order to
simplify code that accepts both of these objects. A common type
field is used to differentiate them.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acobject.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index e9657dac69b..0ca39265bb0 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -379,6 +379,13 @@ union acpi_operand_object {
 	struct acpi_object_extra extra;
 	struct acpi_object_data data;
 	struct acpi_object_cache_list cache;
+
+	/*
+	 * Add namespace node to union in order to simplify code that accepts both
+	 * ACPI_OPERAND_OBJECTs and ACPI_NAMESPACE_NODEs. The structures share
+	 * a common descriptor_type field in order to differentiate them.
+	 */
+	struct acpi_namespace_node node;
 };
 
 /******************************************************************************
-- 
GitLab


From 65f4692c5220330e1ea044796c4cfa603e349c84 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 10:28:07 +0800
Subject: [PATCH 1998/2224] ACPICA: Remove obsolete exception codes

Removed 10 exception codes (and corresponding name strings)
that were obsolete for various reasons.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acexcep.h | 128 ++++++++++++++++++-----------------------
 1 file changed, 55 insertions(+), 73 deletions(-)

diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index e5a890ffeb0..84f5cb24286 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -76,25 +76,21 @@
 #define AE_STACK_OVERFLOW               (acpi_status) (0x000C | AE_CODE_ENVIRONMENTAL)
 #define AE_STACK_UNDERFLOW              (acpi_status) (0x000D | AE_CODE_ENVIRONMENTAL)
 #define AE_NOT_IMPLEMENTED              (acpi_status) (0x000E | AE_CODE_ENVIRONMENTAL)
-#define AE_VERSION_MISMATCH             (acpi_status) (0x000F | AE_CODE_ENVIRONMENTAL)
-#define AE_SUPPORT                      (acpi_status) (0x0010 | AE_CODE_ENVIRONMENTAL)
-#define AE_SHARE                        (acpi_status) (0x0011 | AE_CODE_ENVIRONMENTAL)
-#define AE_LIMIT                        (acpi_status) (0x0012 | AE_CODE_ENVIRONMENTAL)
-#define AE_TIME                         (acpi_status) (0x0013 | AE_CODE_ENVIRONMENTAL)
-#define AE_UNKNOWN_STATUS               (acpi_status) (0x0014 | AE_CODE_ENVIRONMENTAL)
-#define AE_ACQUIRE_DEADLOCK             (acpi_status) (0x0015 | AE_CODE_ENVIRONMENTAL)
-#define AE_RELEASE_DEADLOCK             (acpi_status) (0x0016 | AE_CODE_ENVIRONMENTAL)
-#define AE_NOT_ACQUIRED                 (acpi_status) (0x0017 | AE_CODE_ENVIRONMENTAL)
-#define AE_ALREADY_ACQUIRED             (acpi_status) (0x0018 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_HARDWARE_RESPONSE         (acpi_status) (0x0019 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_GLOBAL_LOCK               (acpi_status) (0x001A | AE_CODE_ENVIRONMENTAL)
-#define AE_LOGICAL_ADDRESS              (acpi_status) (0x001B | AE_CODE_ENVIRONMENTAL)
-#define AE_ABORT_METHOD                 (acpi_status) (0x001C | AE_CODE_ENVIRONMENTAL)
-#define AE_SAME_HANDLER                 (acpi_status) (0x001D | AE_CODE_ENVIRONMENTAL)
-#define AE_WAKE_ONLY_GPE                (acpi_status) (0x001E | AE_CODE_ENVIRONMENTAL)
-#define AE_OWNER_ID_LIMIT               (acpi_status) (0x001F | AE_CODE_ENVIRONMENTAL)
+#define AE_SUPPORT                      (acpi_status) (0x000F | AE_CODE_ENVIRONMENTAL)
+#define AE_LIMIT                        (acpi_status) (0x0010 | AE_CODE_ENVIRONMENTAL)
+#define AE_TIME                         (acpi_status) (0x0011 | AE_CODE_ENVIRONMENTAL)
+#define AE_ACQUIRE_DEADLOCK             (acpi_status) (0x0012 | AE_CODE_ENVIRONMENTAL)
+#define AE_RELEASE_DEADLOCK             (acpi_status) (0x0013 | AE_CODE_ENVIRONMENTAL)
+#define AE_NOT_ACQUIRED                 (acpi_status) (0x0014 | AE_CODE_ENVIRONMENTAL)
+#define AE_ALREADY_ACQUIRED             (acpi_status) (0x0015 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_HARDWARE_RESPONSE         (acpi_status) (0x0016 | AE_CODE_ENVIRONMENTAL)
+#define AE_NO_GLOBAL_LOCK               (acpi_status) (0x0017 | AE_CODE_ENVIRONMENTAL)
+#define AE_ABORT_METHOD                 (acpi_status) (0x0018 | AE_CODE_ENVIRONMENTAL)
+#define AE_SAME_HANDLER                 (acpi_status) (0x0019 | AE_CODE_ENVIRONMENTAL)
+#define AE_WAKE_ONLY_GPE                (acpi_status) (0x001A | AE_CODE_ENVIRONMENTAL)
+#define AE_OWNER_ID_LIMIT               (acpi_status) (0x001B | AE_CODE_ENVIRONMENTAL)
 
-#define AE_CODE_ENV_MAX                 0x001F
+#define AE_CODE_ENV_MAX                 0x001B
 
 /*
  * Programmer exceptions
@@ -103,14 +99,12 @@
 #define AE_BAD_CHARACTER                (acpi_status) (0x0002 | AE_CODE_PROGRAMMER)
 #define AE_BAD_PATHNAME                 (acpi_status) (0x0003 | AE_CODE_PROGRAMMER)
 #define AE_BAD_DATA                     (acpi_status) (0x0004 | AE_CODE_PROGRAMMER)
-#define AE_BAD_ADDRESS                  (acpi_status) (0x0005 | AE_CODE_PROGRAMMER)
-#define AE_ALIGNMENT                    (acpi_status) (0x0006 | AE_CODE_PROGRAMMER)
-#define AE_BAD_HEX_CONSTANT             (acpi_status) (0x0007 | AE_CODE_PROGRAMMER)
-#define AE_BAD_OCTAL_CONSTANT           (acpi_status) (0x0008 | AE_CODE_PROGRAMMER)
-#define AE_BAD_DECIMAL_CONSTANT         (acpi_status) (0x0009 | AE_CODE_PROGRAMMER)
-#define AE_MISSING_ARGUMENTS		(acpi_status) (0x000A | AE_CODE_PROGRAMMER)
+#define AE_BAD_HEX_CONSTANT             (acpi_status) (0x0005 | AE_CODE_PROGRAMMER)
+#define AE_BAD_OCTAL_CONSTANT           (acpi_status) (0x0006 | AE_CODE_PROGRAMMER)
+#define AE_BAD_DECIMAL_CONSTANT         (acpi_status) (0x0007 | AE_CODE_PROGRAMMER)
+#define AE_MISSING_ARGUMENTS            (acpi_status) (0x0008 | AE_CODE_PROGRAMMER)
 
-#define AE_CODE_PGM_MAX 		0x000A
+#define AE_CODE_PGM_MAX                 0x0008
 
 /*
  * Acpi table exceptions
@@ -119,51 +113,48 @@
 #define AE_BAD_HEADER                   (acpi_status) (0x0002 | AE_CODE_ACPI_TABLES)
 #define AE_BAD_CHECKSUM                 (acpi_status) (0x0003 | AE_CODE_ACPI_TABLES)
 #define AE_BAD_VALUE                    (acpi_status) (0x0004 | AE_CODE_ACPI_TABLES)
-#define AE_TABLE_NOT_SUPPORTED          (acpi_status) (0x0005 | AE_CODE_ACPI_TABLES)
-#define AE_INVALID_TABLE_LENGTH         (acpi_status) (0x0006 | AE_CODE_ACPI_TABLES)
+#define AE_INVALID_TABLE_LENGTH         (acpi_status) (0x0005 | AE_CODE_ACPI_TABLES)
 
-#define AE_CODE_TBL_MAX                 0x0006
+#define AE_CODE_TBL_MAX                 0x0005
 
 /*
  * AML exceptions.  These are caused by problems with
  * the actual AML byte stream
  */
-#define AE_AML_ERROR                    (acpi_status) (0x0001 | AE_CODE_AML)
-#define AE_AML_PARSE                    (acpi_status) (0x0002 | AE_CODE_AML)
-#define AE_AML_BAD_OPCODE               (acpi_status) (0x0003 | AE_CODE_AML)
-#define AE_AML_NO_OPERAND               (acpi_status) (0x0004 | AE_CODE_AML)
-#define AE_AML_OPERAND_TYPE             (acpi_status) (0x0005 | AE_CODE_AML)
-#define AE_AML_OPERAND_VALUE            (acpi_status) (0x0006 | AE_CODE_AML)
-#define AE_AML_UNINITIALIZED_LOCAL      (acpi_status) (0x0007 | AE_CODE_AML)
-#define AE_AML_UNINITIALIZED_ARG        (acpi_status) (0x0008 | AE_CODE_AML)
-#define AE_AML_UNINITIALIZED_ELEMENT    (acpi_status) (0x0009 | AE_CODE_AML)
-#define AE_AML_NUMERIC_OVERFLOW         (acpi_status) (0x000A | AE_CODE_AML)
-#define AE_AML_REGION_LIMIT             (acpi_status) (0x000B | AE_CODE_AML)
-#define AE_AML_BUFFER_LIMIT             (acpi_status) (0x000C | AE_CODE_AML)
-#define AE_AML_PACKAGE_LIMIT            (acpi_status) (0x000D | AE_CODE_AML)
-#define AE_AML_DIVIDE_BY_ZERO           (acpi_status) (0x000E | AE_CODE_AML)
-#define AE_AML_BAD_NAME                 (acpi_status) (0x000F | AE_CODE_AML)
-#define AE_AML_NAME_NOT_FOUND           (acpi_status) (0x0010 | AE_CODE_AML)
-#define AE_AML_INTERNAL                 (acpi_status) (0x0011 | AE_CODE_AML)
-#define AE_AML_INVALID_SPACE_ID         (acpi_status) (0x0012 | AE_CODE_AML)
-#define AE_AML_STRING_LIMIT             (acpi_status) (0x0013 | AE_CODE_AML)
-#define AE_AML_NO_RETURN_VALUE          (acpi_status) (0x0014 | AE_CODE_AML)
-#define AE_AML_METHOD_LIMIT             (acpi_status) (0x0015 | AE_CODE_AML)
-#define AE_AML_NOT_OWNER                (acpi_status) (0x0016 | AE_CODE_AML)
-#define AE_AML_MUTEX_ORDER              (acpi_status) (0x0017 | AE_CODE_AML)
-#define AE_AML_MUTEX_NOT_ACQUIRED       (acpi_status) (0x0018 | AE_CODE_AML)
-#define AE_AML_INVALID_RESOURCE_TYPE    (acpi_status) (0x0019 | AE_CODE_AML)
-#define AE_AML_INVALID_INDEX            (acpi_status) (0x001A | AE_CODE_AML)
-#define AE_AML_REGISTER_LIMIT           (acpi_status) (0x001B | AE_CODE_AML)
-#define AE_AML_NO_WHILE                 (acpi_status) (0x001C | AE_CODE_AML)
-#define AE_AML_ALIGNMENT                (acpi_status) (0x001D | AE_CODE_AML)
-#define AE_AML_NO_RESOURCE_END_TAG      (acpi_status) (0x001E | AE_CODE_AML)
-#define AE_AML_BAD_RESOURCE_VALUE       (acpi_status) (0x001F | AE_CODE_AML)
-#define AE_AML_CIRCULAR_REFERENCE       (acpi_status) (0x0020 | AE_CODE_AML)
-#define AE_AML_BAD_RESOURCE_LENGTH      (acpi_status) (0x0021 | AE_CODE_AML)
-#define AE_AML_ILLEGAL_ADDRESS          (acpi_status) (0x0022 | AE_CODE_AML)
+#define AE_AML_BAD_OPCODE               (acpi_status) (0x0001 | AE_CODE_AML)
+#define AE_AML_NO_OPERAND               (acpi_status) (0x0002 | AE_CODE_AML)
+#define AE_AML_OPERAND_TYPE             (acpi_status) (0x0003 | AE_CODE_AML)
+#define AE_AML_OPERAND_VALUE            (acpi_status) (0x0004 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_LOCAL      (acpi_status) (0x0005 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_ARG        (acpi_status) (0x0006 | AE_CODE_AML)
+#define AE_AML_UNINITIALIZED_ELEMENT    (acpi_status) (0x0007 | AE_CODE_AML)
+#define AE_AML_NUMERIC_OVERFLOW         (acpi_status) (0x0008 | AE_CODE_AML)
+#define AE_AML_REGION_LIMIT             (acpi_status) (0x0009 | AE_CODE_AML)
+#define AE_AML_BUFFER_LIMIT             (acpi_status) (0x000A | AE_CODE_AML)
+#define AE_AML_PACKAGE_LIMIT            (acpi_status) (0x000B | AE_CODE_AML)
+#define AE_AML_DIVIDE_BY_ZERO           (acpi_status) (0x000C | AE_CODE_AML)
+#define AE_AML_BAD_NAME                 (acpi_status) (0x000D | AE_CODE_AML)
+#define AE_AML_NAME_NOT_FOUND           (acpi_status) (0x000E | AE_CODE_AML)
+#define AE_AML_INTERNAL                 (acpi_status) (0x000F | AE_CODE_AML)
+#define AE_AML_INVALID_SPACE_ID         (acpi_status) (0x0010 | AE_CODE_AML)
+#define AE_AML_STRING_LIMIT             (acpi_status) (0x0011 | AE_CODE_AML)
+#define AE_AML_NO_RETURN_VALUE          (acpi_status) (0x0012 | AE_CODE_AML)
+#define AE_AML_METHOD_LIMIT             (acpi_status) (0x0013 | AE_CODE_AML)
+#define AE_AML_NOT_OWNER                (acpi_status) (0x0014 | AE_CODE_AML)
+#define AE_AML_MUTEX_ORDER              (acpi_status) (0x0015 | AE_CODE_AML)
+#define AE_AML_MUTEX_NOT_ACQUIRED       (acpi_status) (0x0016 | AE_CODE_AML)
+#define AE_AML_INVALID_RESOURCE_TYPE    (acpi_status) (0x0017 | AE_CODE_AML)
+#define AE_AML_INVALID_INDEX            (acpi_status) (0x0018 | AE_CODE_AML)
+#define AE_AML_REGISTER_LIMIT           (acpi_status) (0x0019 | AE_CODE_AML)
+#define AE_AML_NO_WHILE                 (acpi_status) (0x001A | AE_CODE_AML)
+#define AE_AML_ALIGNMENT                (acpi_status) (0x001B | AE_CODE_AML)
+#define AE_AML_NO_RESOURCE_END_TAG      (acpi_status) (0x001C | AE_CODE_AML)
+#define AE_AML_BAD_RESOURCE_VALUE       (acpi_status) (0x001D | AE_CODE_AML)
+#define AE_AML_CIRCULAR_REFERENCE       (acpi_status) (0x001E | AE_CODE_AML)
+#define AE_AML_BAD_RESOURCE_LENGTH      (acpi_status) (0x001F | AE_CODE_AML)
+#define AE_AML_ILLEGAL_ADDRESS          (acpi_status) (0x0020 | AE_CODE_AML)
 
-#define AE_CODE_AML_MAX                 0x0022
+#define AE_CODE_AML_MAX                 0x0020
 
 /*
  * Internal exceptions used for control
@@ -206,19 +197,15 @@ char const *acpi_gbl_exception_names_env[] = {
 	"AE_STACK_OVERFLOW",
 	"AE_STACK_UNDERFLOW",
 	"AE_NOT_IMPLEMENTED",
-	"AE_VERSION_MISMATCH",
 	"AE_SUPPORT",
-	"AE_SHARE",
 	"AE_LIMIT",
 	"AE_TIME",
-	"AE_UNKNOWN_STATUS",
 	"AE_ACQUIRE_DEADLOCK",
 	"AE_RELEASE_DEADLOCK",
 	"AE_NOT_ACQUIRED",
 	"AE_ALREADY_ACQUIRED",
 	"AE_NO_HARDWARE_RESPONSE",
 	"AE_NO_GLOBAL_LOCK",
-	"AE_LOGICAL_ADDRESS",
 	"AE_ABORT_METHOD",
 	"AE_SAME_HANDLER",
 	"AE_WAKE_ONLY_GPE",
@@ -231,8 +218,6 @@ char const *acpi_gbl_exception_names_pgm[] = {
 	"AE_BAD_CHARACTER",
 	"AE_BAD_PATHNAME",
 	"AE_BAD_DATA",
-	"AE_BAD_ADDRESS",
-	"AE_ALIGNMENT",
 	"AE_BAD_HEX_CONSTANT",
 	"AE_BAD_OCTAL_CONSTANT",
 	"AE_BAD_DECIMAL_CONSTANT",
@@ -245,14 +230,11 @@ char const *acpi_gbl_exception_names_tbl[] = {
 	"AE_BAD_HEADER",
 	"AE_BAD_CHECKSUM",
 	"AE_BAD_VALUE",
-	"AE_TABLE_NOT_SUPPORTED",
 	"AE_INVALID_TABLE_LENGTH"
 };
 
 char const *acpi_gbl_exception_names_aml[] = {
 	NULL,
-	"AE_AML_ERROR",
-	"AE_AML_PARSE",
 	"AE_AML_BAD_OPCODE",
 	"AE_AML_NO_OPERAND",
 	"AE_AML_OPERAND_TYPE",
@@ -284,7 +266,7 @@ char const *acpi_gbl_exception_names_aml[] = {
 	"AE_AML_BAD_RESOURCE_VALUE",
 	"AE_AML_CIRCULAR_REFERENCE",
 	"AE_AML_BAD_RESOURCE_LENGTH",
-	"AE_AML_ILLEGAL_ADDRESS"
+	"AE_AML_ILLEGAL_ADDRESS",
 };
 
 char const *acpi_gbl_exception_names_ctrl[] = {
-- 
GitLab


From b68bacf225e5e9758472e99505d76125ced3ea88 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 10:29:31 +0800
Subject: [PATCH 1999/2224] ACPICA: Disallow evaluation of named object types
 with no value

Return AE_TYPE for objects that have no value and therefore
evaluation is undefined: Device, Event, Mutex, Region, Thermal,
and Scope.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/namespace/nseval.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index d369164e00b..0a1ae670a84 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -195,7 +195,28 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 	} else {
 		/*
 		 * 2) Object is not a method, return its current value
+		 *
+		 * Disallow certain object types. For these, "evaluation" is undefined.
 		 */
+		switch (info->resolved_node->type) {
+		case ACPI_TYPE_DEVICE:
+		case ACPI_TYPE_EVENT:
+		case ACPI_TYPE_MUTEX:
+		case ACPI_TYPE_REGION:
+		case ACPI_TYPE_THERMAL:
+		case ACPI_TYPE_LOCAL_SCOPE:
+
+			ACPI_ERROR((AE_INFO,
+				    "[%4.4s] Evaluation of object type [%s] is not supported",
+				    info->resolved_node->name.ascii,
+				    acpi_ut_get_type_name(info->resolved_node->
+							  type)));
+
+			return_ACPI_STATUS(AE_TYPE);
+
+		default:
+			break;
+		}
 
 		/*
 		 * Objects require additional resolution steps (e.g., the Node may be
-- 
GitLab


From 93851b4d13de48753eaae76ed190eef7355e2c19 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Sat, 27 Sep 2008 10:38:07 +0800
Subject: [PATCH 2000/2224] ACPICA: Reduce error to warning for incorrect
 method arg count

Previously aborted with error if too few arguments were passed to
a control method via the external ACPICA interface. Now issue a
warning instead and continue. Handles the case where the method
inadvertently declares too many arguments, but does not actually
use the extra ones.  Applies mainly to the predefined methods.

http://bugzilla.kernel.org/show_bug.cgi?id=11032

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/namespace/nseval.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 0a1ae670a84..42dae12f2ef 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -148,21 +148,22 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 				info->param_count++;
 		}
 
-		/* Error if too few arguments were passed in */
+		/*
+		 * Warning if too few or too many arguments have been passed by the
+		 * caller. We don't want to abort here with an error because an
+		 * incorrect number of arguments may not cause the method to fail.
+		 * However, the method will fail if there are too few arguments passed
+		 * and the method attempts to use one of the missing ones.
+		 */
 
 		if (info->param_count < info->obj_desc->method.param_count) {
-			ACPI_ERROR((AE_INFO,
+			ACPI_WARNING((AE_INFO,
 				    "Insufficient arguments - "
 				    "method [%4.4s] needs %d, found %d",
 				    acpi_ut_get_node_name(info->resolved_node),
 				    info->obj_desc->method.param_count,
 				    info->param_count));
-			return_ACPI_STATUS(AE_MISSING_ARGUMENTS);
-		}
-
-		/* Just a warning if too many arguments */
-
-		else if (info->param_count >
+		} else if (info->param_count >
 				info->obj_desc->method.param_count) {
 			ACPI_WARNING((AE_INFO,
 				      "Excess arguments - "
-- 
GitLab


From 57e664cfd968ec8e4b0bfd80a5e8f903307e598b Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 10:40:39 +0800
Subject: [PATCH 2001/2224] ACPICA: Update for Reference ACPI_OPERAND_OBJECT

1) Add new field for use by DdbHandle (Value)
2) Use ACPI_CAST_INDIRECT_PTR to eliminate strict type warnings
3) Cleanup debug output

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dispatcher/dsobject.c | 16 ++++++++++------
 drivers/acpi/executer/exconfig.c   |  6 +++---
 drivers/acpi/executer/exdump.c     | 29 ++++++++++++++---------------
 drivers/acpi/executer/exstore.c    |  4 ++--
 include/acpi/acobject.h            |  1 +
 5 files changed, 30 insertions(+), 26 deletions(-)

diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 0f280589921..09af39fff1a 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -741,10 +741,12 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 							      obj_desc->
 							      reference.offset,
 							      walk_state,
+							      ACPI_CAST_INDIRECT_PTR
 							      (struct
-							       acpi_namespace_node
-							       **)&obj_desc->
-							      reference.object);
+							       acpi_namespace_node,
+							       &obj_desc->
+							       reference.
+							       object));
 #endif
 			break;
 
@@ -760,10 +762,12 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 							      obj_desc->
 							      reference.offset,
 							      walk_state,
+							      ACPI_CAST_INDIRECT_PTR
 							      (struct
-							       acpi_namespace_node
-							       **)&obj_desc->
-							      reference.object);
+							       acpi_namespace_node,
+							       &obj_desc->
+							       reference.
+							       object));
 #endif
 			break;
 
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 4c512c2990e..5f2b1ebf70a 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -96,7 +96,7 @@ acpi_ex_add_table(u32 table_index,
 
 	/* Install the new table into the local data structures */
 
-	obj_desc->reference.object = ACPI_TO_POINTER(table_index);
+	obj_desc->reference.value = table_index;
 
 	/* Add the table to the namespace */
 
@@ -505,9 +505,9 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	/* Get the table index from the ddb_handle (acpi_size for 64-bit case) */
+	/* Get the table index from the ddb_handle */
 
-	table_index = (u32) (acpi_size) table_desc->reference.object;
+	table_index = table_desc->reference.value;
 
 	/* Invoke table handler if present */
 
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 2be2e2bf95b..7d4123256cf 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -214,10 +214,11 @@ static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(index_field.data_obj), "Data Object"}
 };
 
-static struct acpi_exdump_info acpi_ex_dump_reference[7] = {
+static struct acpi_exdump_info acpi_ex_dump_reference[8] = {
 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.offset), "Offset"},
+	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.where), "Where"},
@@ -497,24 +498,24 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 		switch (obj_desc->reference.opcode) {
 		case AML_DEBUG_OP:
 
-			acpi_os_printf("Reference: Debug\n");
+			acpi_os_printf("Reference: [Debug]\n");
 			break;
 
 		case AML_INDEX_OP:
 
-			acpi_os_printf("Reference: Index %p\n",
+			acpi_os_printf("Reference: [Index] %p\n",
 				       obj_desc->reference.object);
 			break;
 
 		case AML_LOAD_OP:
 
-			acpi_os_printf("Reference: [DdbHandle] TableIndex %p\n",
-				       obj_desc->reference.object);
+			acpi_os_printf("Reference: [DdbHandle] TableIndex %X\n",
+				       obj_desc->reference.value);
 			break;
 
 		case AML_REF_OF_OP:
 
-			acpi_os_printf("Reference: (RefOf) %p [%s]\n",
+			acpi_os_printf("Reference: [RefOf] %p [%s]\n",
 				       obj_desc->reference.object,
 				       acpi_ut_get_type_name(((union
 							       acpi_operand_object
@@ -526,7 +527,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 
 		case AML_ARG_OP:
 
-			acpi_os_printf("Reference: Arg%d",
+			acpi_os_printf("Reference: [Arg%d]",
 				       obj_desc->reference.offset);
 
 			if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
@@ -544,7 +545,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 
 		case AML_LOCAL_OP:
 
-			acpi_os_printf("Reference: Local%d",
+			acpi_os_printf("Reference: [Local%d]",
 				       obj_desc->reference.offset);
 
 			if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
@@ -562,7 +563,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 
 		case AML_INT_NAMEPATH_OP:
 
-			acpi_os_printf("Reference: Namepath %X [%4.4s]\n",
+			acpi_os_printf("Reference: [Namepath] %X [%4.4s]\n",
 				       obj_desc->reference.node->name.integer,
 				       obj_desc->reference.node->name.ascii);
 			break;
@@ -883,13 +884,11 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
 			acpi_os_printf(" Target: %p",
 				       obj_desc->reference.object);
 			if (obj_desc->reference.opcode == AML_LOAD_OP) {
-				/*
-				 * For DDBHandle reference,
-				 * obj_desc->Reference.Object is the table index
-				 */
-				acpi_os_printf(" [DDBHandle]\n");
+				acpi_os_printf(" [DDBHandle] Table Index: %X\n",
+					       obj_desc->reference.value);
 			} else {
-				acpi_os_printf(" [%s]\n",
+				acpi_os_printf(" Target: %p [%s]\n",
+					       obj_desc->reference.object,
 					       acpi_ut_get_type_name(((union
 								       acpi_operand_object
 								       *)
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 09e96846d15..20b4893e06e 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -193,8 +193,8 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
 
 		if (source_desc->reference.opcode == AML_LOAD_OP) {	/* Load and load_table */
 			ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
-					      " Table OwnerId %p\n",
-					      source_desc->reference.object));
+					      " Table Index %X\n",
+					      source_desc->reference.value));
 			break;
 		}
 
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index 0ca39265bb0..7a8a652ffb7 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -318,6 +318,7 @@ struct acpi_object_reference {
 	struct acpi_namespace_node *node;
 	union acpi_operand_object **where;
 	u32 offset;		/* Used for arg_op, local_op, and index_op */
+	u32 value;		/* Used for ddb_handle */
 };
 
 /*
-- 
GitLab


From 2425a0967f29b196fad5d4f726c9502679284656 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 10:42:02 +0800
Subject: [PATCH 2002/2224] ACPICA: Update comments - no functional changes

Some formatting and spelling fixes.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/executer/exconvrt.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 261d97516d9..890378e789a 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -57,7 +57,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
  *
  * FUNCTION:    acpi_ex_convert_to_integer
  *
- * PARAMETERS:  obj_desc        - Object to be converted.  Must be an
+ * PARAMETERS:  obj_desc        - Object to be converted. Must be an
  *                                Integer, Buffer, or String
  *              result_desc     - Where the new Integer object is returned
  *              Flags           - Used for string conversion
@@ -103,7 +103,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
 	}
 
 	/*
-	 * Convert the buffer/string to an integer.  Note that both buffers and
+	 * Convert the buffer/string to an integer. Note that both buffers and
 	 * strings are treated as raw data - we don't convert ascii to hex for
 	 * strings.
 	 *
@@ -120,7 +120,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
 
 		/*
 		 * Convert string to an integer - for most cases, the string must be
-		 * hexadecimal as per the ACPI specification.  The only exception (as
+		 * hexadecimal as per the ACPI specification. The only exception (as
 		 * of ACPI 3.0) is that the to_integer() operator allows both decimal
 		 * and hexadecimal strings (hex prefixed with "0x").
 		 */
@@ -159,6 +159,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
 		break;
 
 	default:
+
 		/* No other types can get here */
 		break;
 	}
@@ -185,7 +186,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
  *
  * FUNCTION:    acpi_ex_convert_to_buffer
  *
- * PARAMETERS:  obj_desc        - Object to be converted.  Must be an
+ * PARAMETERS:  obj_desc        - Object to be converted. Must be an
  *                                Integer, Buffer, or String
  *              result_desc     - Where the new buffer object is returned
  *
@@ -365,7 +366,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
 	}
 
 	/*
-	 * Since leading zeros are supressed, we must check for the case where
+	 * Since leading zeros are suppressed, we must check for the case where
 	 * the integer equals 0
 	 *
 	 * Finally, null terminate the string and return the length
@@ -383,7 +384,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
  *
  * FUNCTION:    acpi_ex_convert_to_string
  *
- * PARAMETERS:  obj_desc        - Object to be converted.  Must be an
+ * PARAMETERS:  obj_desc        - Object to be converted. Must be an
  *                                Integer, Buffer, or String
  *              result_desc     - Where the string object is returned
  *              Type            - String flags (base and conversion type)
@@ -472,7 +473,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
 			base = 10;
 
 			/*
-			 * Calculate the final string length.  Individual string values
+			 * Calculate the final string length. Individual string values
 			 * are variable length (include separator for each)
 			 */
 			for (i = 0; i < obj_desc->buffer.length; i++) {
@@ -617,7 +618,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
 		case ACPI_TYPE_LOCAL_BANK_FIELD:
 		case ACPI_TYPE_LOCAL_INDEX_FIELD:
 			/*
-			 * These types require an Integer operand.  We can convert
+			 * These types require an Integer operand. We can convert
 			 * a Buffer or a String to an Integer if necessary.
 			 */
 			status =
@@ -627,7 +628,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
 
 		case ACPI_TYPE_STRING:
 			/*
-			 * The operand must be a String.  We can convert an
+			 * The operand must be a String. We can convert an
 			 * Integer or Buffer if necessary
 			 */
 			status =
@@ -637,7 +638,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
 
 		case ACPI_TYPE_BUFFER:
 			/*
-			 * The operand must be a Buffer.  We can convert an
+			 * The operand must be a Buffer. We can convert an
 			 * Integer or String if necessary
 			 */
 			status =
-- 
GitLab


From 1044f1f65b7df2aae979e397904c4985eeb99ba2 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 11:08:41 +0800
Subject: [PATCH 2003/2224] ACPICA: Cleanup for internal Reference Object

Fix some sloppiness in the Reference object. No longer use AML
opcodes to differentiate the types, introduce new reference
Class. Cleanup the debug output code.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dispatcher/dsmthdat.c | 83 ++++++++++++++++--------------
 drivers/acpi/dispatcher/dsobject.c | 56 ++++++++++++--------
 drivers/acpi/dispatcher/dsopcode.c |  2 +-
 drivers/acpi/dispatcher/dswexec.c  |  8 +--
 drivers/acpi/executer/exconfig.c   |  3 +-
 drivers/acpi/executer/exdump.c     | 74 ++++++++++++--------------
 drivers/acpi/executer/exmisc.c     | 14 ++---
 drivers/acpi/executer/exoparg1.c   | 26 +++++-----
 drivers/acpi/executer/exoparg2.c   |  4 +-
 drivers/acpi/executer/exresnte.c   | 16 +++---
 drivers/acpi/executer/exresolv.c   | 60 +++++++++++----------
 drivers/acpi/executer/exresop.c    | 50 ++++++++----------
 drivers/acpi/executer/exstore.c    | 57 ++++++++++----------
 drivers/acpi/executer/exstoren.c   |  3 +-
 drivers/acpi/namespace/nsdump.c    |  5 +-
 drivers/acpi/namespace/nsxfeval.c  |  7 ++-
 drivers/acpi/resources/rscalc.c    |  5 +-
 drivers/acpi/resources/rscreate.c  | 10 ++--
 drivers/acpi/utilities/utcopy.c    | 29 ++++++-----
 drivers/acpi/utilities/utdelete.c  |  5 +-
 drivers/acpi/utilities/utglobal.c  | 35 +++++++------
 drivers/acpi/utilities/utobject.c  |  9 ++--
 include/acpi/acdebug.h             |  4 ++
 include/acpi/acdispat.h            |  6 +--
 include/acpi/acobject.h            | 31 ++++++++---
 25 files changed, 310 insertions(+), 292 deletions(-)

diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index 13c43eac35d..d03f81bd1bc 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -43,7 +43,6 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acdispat.h>
-#include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
 #include <acpi/acinterp.h>
 
@@ -52,11 +51,11 @@ ACPI_MODULE_NAME("dsmthdat")
 
 /* Local prototypes */
 static void
-acpi_ds_method_data_delete_value(u16 opcode,
+acpi_ds_method_data_delete_value(u8 type,
 				 u32 index, struct acpi_walk_state *walk_state);
 
 static acpi_status
-acpi_ds_method_data_set_value(u16 opcode,
+acpi_ds_method_data_set_value(u8 type,
 			      u32 index,
 			      union acpi_operand_object *object,
 			      struct acpi_walk_state *walk_state);
@@ -216,7 +215,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
 		 * Store the argument in the method/walk descriptor.
 		 * Do not copy the arg in order to implement call by reference
 		 */
-		status = acpi_ds_method_data_set_value(AML_ARG_OP, index,
+		status = acpi_ds_method_data_set_value(ACPI_REFCLASS_ARG, index,
 						       params[index],
 						       walk_state);
 		if (ACPI_FAILURE(status)) {
@@ -234,7 +233,8 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
  *
  * FUNCTION:    acpi_ds_method_data_get_node
  *
- * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
+ *                                    ACPI_REFCLASS_ARG
  *              Index               - Which Local or Arg whose type to get
  *              walk_state          - Current walk state object
  *              Node                - Where the node is returned.
@@ -246,7 +246,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
  ******************************************************************************/
 
 acpi_status
-acpi_ds_method_data_get_node(u16 opcode,
+acpi_ds_method_data_get_node(u8 type,
 			     u32 index,
 			     struct acpi_walk_state *walk_state,
 			     struct acpi_namespace_node **node)
@@ -256,8 +256,8 @@ acpi_ds_method_data_get_node(u16 opcode,
 	/*
 	 * Method Locals and Arguments are supported
 	 */
-	switch (opcode) {
-	case AML_LOCAL_OP:
+	switch (type) {
+	case ACPI_REFCLASS_LOCAL:
 
 		if (index > ACPI_METHOD_MAX_LOCAL) {
 			ACPI_ERROR((AE_INFO,
@@ -271,7 +271,7 @@ acpi_ds_method_data_get_node(u16 opcode,
 		*node = &walk_state->local_variables[index];
 		break;
 
-	case AML_ARG_OP:
+	case ACPI_REFCLASS_ARG:
 
 		if (index > ACPI_METHOD_MAX_ARG) {
 			ACPI_ERROR((AE_INFO,
@@ -286,8 +286,8 @@ acpi_ds_method_data_get_node(u16 opcode,
 		break;
 
 	default:
-		ACPI_ERROR((AE_INFO, "Opcode %d is invalid", opcode));
-		return_ACPI_STATUS(AE_AML_BAD_OPCODE);
+		ACPI_ERROR((AE_INFO, "Type %d is invalid", type));
+		return_ACPI_STATUS(AE_TYPE);
 	}
 
 	return_ACPI_STATUS(AE_OK);
@@ -297,7 +297,8 @@ acpi_ds_method_data_get_node(u16 opcode,
  *
  * FUNCTION:    acpi_ds_method_data_set_value
  *
- * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
+ *                                    ACPI_REFCLASS_ARG
  *              Index               - Which Local or Arg to get
  *              Object              - Object to be inserted into the stack entry
  *              walk_state          - Current walk state object
@@ -310,7 +311,7 @@ acpi_ds_method_data_get_node(u16 opcode,
  ******************************************************************************/
 
 static acpi_status
-acpi_ds_method_data_set_value(u16 opcode,
+acpi_ds_method_data_set_value(u8 type,
 			      u32 index,
 			      union acpi_operand_object *object,
 			      struct acpi_walk_state *walk_state)
@@ -321,13 +322,13 @@ acpi_ds_method_data_set_value(u16 opcode,
 	ACPI_FUNCTION_TRACE(ds_method_data_set_value);
 
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-			  "NewObj %p Opcode %X, Refs=%d [%s]\n", object,
-			  opcode, object->common.reference_count,
+			  "NewObj %p Type %2.2X, Refs=%d [%s]\n", object,
+			  type, object->common.reference_count,
 			  acpi_ut_get_type_name(object->common.type)));
 
 	/* Get the namespace node for the arg/local */
 
-	status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
@@ -350,7 +351,8 @@ acpi_ds_method_data_set_value(u16 opcode,
  *
  * FUNCTION:    acpi_ds_method_data_get_value
  *
- * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
+ *                                    ACPI_REFCLASS_ARG
  *              Index               - Which local_var or argument to get
  *              walk_state          - Current walk state object
  *              dest_desc           - Where Arg or Local value is returned
@@ -363,7 +365,7 @@ acpi_ds_method_data_set_value(u16 opcode,
  ******************************************************************************/
 
 acpi_status
-acpi_ds_method_data_get_value(u16 opcode,
+acpi_ds_method_data_get_value(u8 type,
 			      u32 index,
 			      struct acpi_walk_state *walk_state,
 			      union acpi_operand_object **dest_desc)
@@ -383,7 +385,7 @@ acpi_ds_method_data_get_value(u16 opcode,
 
 	/* Get the namespace node for the arg/local */
 
-	status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
@@ -419,8 +421,8 @@ acpi_ds_method_data_get_value(u16 opcode,
 		/* Otherwise, return the error */
 
 		else
-			switch (opcode) {
-			case AML_ARG_OP:
+			switch (type) {
+			case ACPI_REFCLASS_ARG:
 
 				ACPI_ERROR((AE_INFO,
 					    "Uninitialized Arg[%d] at node %p",
@@ -428,7 +430,7 @@ acpi_ds_method_data_get_value(u16 opcode,
 
 				return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
 
-			case AML_LOCAL_OP:
+			case ACPI_REFCLASS_LOCAL:
 
 				ACPI_ERROR((AE_INFO,
 					    "Uninitialized Local[%d] at node %p",
@@ -437,9 +439,10 @@ acpi_ds_method_data_get_value(u16 opcode,
 				return_ACPI_STATUS(AE_AML_UNINITIALIZED_LOCAL);
 
 			default:
+
 				ACPI_ERROR((AE_INFO,
 					    "Not a Arg/Local opcode: %X",
-					    opcode));
+					    type));
 				return_ACPI_STATUS(AE_AML_INTERNAL);
 			}
 	}
@@ -458,7 +461,8 @@ acpi_ds_method_data_get_value(u16 opcode,
  *
  * FUNCTION:    acpi_ds_method_data_delete_value
  *
- * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
+ *                                    ACPI_REFCLASS_ARG
  *              Index               - Which local_var or argument to delete
  *              walk_state          - Current walk state object
  *
@@ -470,7 +474,7 @@ acpi_ds_method_data_get_value(u16 opcode,
  ******************************************************************************/
 
 static void
-acpi_ds_method_data_delete_value(u16 opcode,
+acpi_ds_method_data_delete_value(u8 type,
 				 u32 index, struct acpi_walk_state *walk_state)
 {
 	acpi_status status;
@@ -481,7 +485,7 @@ acpi_ds_method_data_delete_value(u16 opcode,
 
 	/* Get the namespace node for the arg/local */
 
-	status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
 	if (ACPI_FAILURE(status)) {
 		return_VOID;
 	}
@@ -514,7 +518,8 @@ acpi_ds_method_data_delete_value(u16 opcode,
  *
  * FUNCTION:    acpi_ds_store_object_to_local
  *
- * PARAMETERS:  Opcode              - Either AML_LOCAL_OP or AML_ARG_OP
+ * PARAMETERS:  Type                - Either ACPI_REFCLASS_LOCAL or
+ *                                    ACPI_REFCLASS_ARG
  *              Index               - Which Local or Arg to set
  *              obj_desc            - Value to be stored
  *              walk_state          - Current walk state
@@ -528,7 +533,7 @@ acpi_ds_method_data_delete_value(u16 opcode,
  ******************************************************************************/
 
 acpi_status
-acpi_ds_store_object_to_local(u16 opcode,
+acpi_ds_store_object_to_local(u8 type,
 			      u32 index,
 			      union acpi_operand_object *obj_desc,
 			      struct acpi_walk_state *walk_state)
@@ -539,8 +544,8 @@ acpi_ds_store_object_to_local(u16 opcode,
 	union acpi_operand_object *new_obj_desc;
 
 	ACPI_FUNCTION_TRACE(ds_store_object_to_local);
-	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Opcode=%X Index=%d Obj=%p\n",
-			  opcode, index, obj_desc));
+	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%d Obj=%p\n",
+			  type, index, obj_desc));
 
 	/* Parameter validation */
 
@@ -550,7 +555,7 @@ acpi_ds_store_object_to_local(u16 opcode,
 
 	/* Get the namespace node for the arg/local */
 
-	status = acpi_ds_method_data_get_node(opcode, index, walk_state, &node);
+	status = acpi_ds_method_data_get_node(type, index, walk_state, &node);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
@@ -602,7 +607,7 @@ acpi_ds_store_object_to_local(u16 opcode,
 		 *
 		 * Weird, but true.
 		 */
-		if (opcode == AML_ARG_OP) {
+		if (type == ACPI_REFCLASS_ARG) {
 			/*
 			 * If we have a valid reference object that came from ref_of(),
 			 * do the indirect store
@@ -611,8 +616,8 @@ acpi_ds_store_object_to_local(u16 opcode,
 			     ACPI_DESC_TYPE_OPERAND)
 			    && (current_obj_desc->common.type ==
 				ACPI_TYPE_LOCAL_REFERENCE)
-			    && (current_obj_desc->reference.opcode ==
-				AML_REF_OF_OP)) {
+			    && (current_obj_desc->reference.class ==
+				ACPI_REFCLASS_REFOF)) {
 				ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 						  "Arg (%p) is an ObjRef(Node), storing in node %p\n",
 						  new_obj_desc,
@@ -640,11 +645,9 @@ acpi_ds_store_object_to_local(u16 opcode,
 			}
 		}
 
-		/*
-		 * Delete the existing object
-		 * before storing the new one
-		 */
-		acpi_ds_method_data_delete_value(opcode, index, walk_state);
+		/* Delete the existing object before storing the new one */
+
+		acpi_ds_method_data_delete_value(type, index, walk_state);
 	}
 
 	/*
@@ -653,7 +656,7 @@ acpi_ds_store_object_to_local(u16 opcode,
 	 * (increments the object reference count by one)
 	 */
 	status =
-	    acpi_ds_method_data_set_value(opcode, index, new_obj_desc,
+	    acpi_ds_method_data_set_value(type, index, new_obj_desc,
 					  walk_state);
 
 	/* Remove local reference if we copied the object above */
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 09af39fff1a..4f08e599d07 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -731,36 +731,35 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 		switch (op_info->type) {
 		case AML_TYPE_LOCAL_VARIABLE:
 
-			/* Split the opcode into a base opcode + offset */
+			/* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */
 
-			obj_desc->reference.opcode = AML_LOCAL_OP;
-			obj_desc->reference.offset = opcode - AML_LOCAL_OP;
+			obj_desc->reference.value = opcode - AML_LOCAL_OP;
+			obj_desc->reference.class = ACPI_REFCLASS_LOCAL;
 
 #ifndef ACPI_NO_METHOD_EXECUTION
-			status = acpi_ds_method_data_get_node(AML_LOCAL_OP,
-							      obj_desc->
-							      reference.offset,
-							      walk_state,
-							      ACPI_CAST_INDIRECT_PTR
-							      (struct
-							       acpi_namespace_node,
-							       &obj_desc->
-							       reference.
-							       object));
+			status =
+			    acpi_ds_method_data_get_node(ACPI_REFCLASS_LOCAL,
+							 obj_desc->reference.
+							 value, walk_state,
+							 ACPI_CAST_INDIRECT_PTR
+							 (struct
+							  acpi_namespace_node,
+							  &obj_desc->reference.
+							  object));
 #endif
 			break;
 
 		case AML_TYPE_METHOD_ARGUMENT:
 
-			/* Split the opcode into a base opcode + offset */
+			/* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */
 
-			obj_desc->reference.opcode = AML_ARG_OP;
-			obj_desc->reference.offset = opcode - AML_ARG_OP;
+			obj_desc->reference.value = opcode - AML_ARG_OP;
+			obj_desc->reference.class = ACPI_REFCLASS_ARG;
 
 #ifndef ACPI_NO_METHOD_EXECUTION
-			status = acpi_ds_method_data_get_node(AML_ARG_OP,
+			status = acpi_ds_method_data_get_node(ACPI_REFCLASS_ARG,
 							      obj_desc->
-							      reference.offset,
+							      reference.value,
 							      walk_state,
 							      ACPI_CAST_INDIRECT_PTR
 							      (struct
@@ -771,18 +770,31 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
 #endif
 			break;
 
-		default:	/* Other literals, etc.. */
+		default:	/* Object name or Debug object */
 
-			if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
+			switch (op->common.aml_opcode) {
+			case AML_INT_NAMEPATH_OP:
 
 				/* Node was saved in Op */
 
 				obj_desc->reference.node = op->common.node;
 				obj_desc->reference.object =
 				    op->common.node->object;
-			}
+				obj_desc->reference.class = ACPI_REFCLASS_NAME;
+				break;
+
+			case AML_DEBUG_OP:
 
-			obj_desc->reference.opcode = opcode;
+				obj_desc->reference.class = ACPI_REFCLASS_DEBUG;
+				break;
+
+			default:
+
+				ACPI_ERROR((AE_INFO,
+					    "Unimplemented reference type for AML opcode: %4.4X",
+					    opcode));
+				return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
+			}
 			break;
 		}
 		break;
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index 6a81c4400ed..69fae5905bb 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -1330,7 +1330,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
 			     (walk_state->results->results.obj_desc[0]) ==
 			     ACPI_TYPE_LOCAL_REFERENCE)
 			    && ((walk_state->results->results.obj_desc[0])->
-				reference.opcode != AML_INDEX_OP)) {
+				reference.class != ACPI_REFCLASS_INDEX)) {
 				status =
 				    acpi_ex_resolve_to_value(&walk_state->
 							     results->results.
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index b5072fa9c92..5b2419197b9 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -429,10 +429,10 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
 			     ACPI_TYPE_LOCAL_REFERENCE)
 			    && (walk_state->operands[1]->common.type ==
 				ACPI_TYPE_LOCAL_REFERENCE)
-			    && (walk_state->operands[0]->reference.opcode ==
-				walk_state->operands[1]->reference.opcode)
-			    && (walk_state->operands[0]->reference.offset ==
-				walk_state->operands[1]->reference.offset)) {
+			    && (walk_state->operands[0]->reference.class ==
+				walk_state->operands[1]->reference.class)
+			    && (walk_state->operands[0]->reference.value ==
+				walk_state->operands[1]->reference.value)) {
 				status = AE_OK;
 			} else {
 				ACPI_EXCEPTION((AE_INFO, status,
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 5f2b1ebf70a..74da6fa52ef 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -43,7 +43,6 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
 #include <acpi/actables.h>
 #include <acpi/acdispat.h>
@@ -91,7 +90,7 @@ acpi_ex_add_table(u32 table_index,
 
 	/* Init the table handle */
 
-	obj_desc->reference.opcode = AML_LOAD_OP;
+	obj_desc->reference.class = ACPI_REFCLASS_TABLE;
 	*ddb_handle = obj_desc;
 
 	/* Install the new table into the local data structures */
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 7d4123256cf..d087a7d28aa 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -45,7 +45,6 @@
 #include <acpi/acinterp.h>
 #include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exdump")
@@ -216,8 +215,8 @@ static struct acpi_exdump_info acpi_ex_dump_index_field[5] = {
 
 static struct acpi_exdump_info acpi_ex_dump_reference[8] = {
 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_reference), NULL},
+	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.class), "Class"},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(reference.target_type), "Target Type"},
-	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.offset), "Offset"},
 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(reference.value), "Value"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.object), "Object Desc"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(reference.node), "Node"},
@@ -414,10 +413,10 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
 
 		case ACPI_EXD_REFERENCE:
 
-			acpi_ex_out_string("Opcode",
-					   (acpi_ps_get_opcode_info
-					    (obj_desc->reference.opcode))->
-					   name);
+			acpi_ex_out_string("Class Name",
+					   (char *)
+					   acpi_ut_get_reference_name
+					   (obj_desc));
 			acpi_ex_dump_reference_obj(obj_desc);
 			break;
 
@@ -495,40 +494,41 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 	switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
-		switch (obj_desc->reference.opcode) {
-		case AML_DEBUG_OP:
+		acpi_os_printf("Reference: [%s] ",
+			       acpi_ut_get_reference_name(obj_desc));
+
+		switch (obj_desc->reference.class) {
+		case ACPI_REFCLASS_DEBUG:
 
-			acpi_os_printf("Reference: [Debug]\n");
+			acpi_os_printf("\n");
 			break;
 
-		case AML_INDEX_OP:
+		case ACPI_REFCLASS_INDEX:
 
-			acpi_os_printf("Reference: [Index] %p\n",
-				       obj_desc->reference.object);
+			acpi_os_printf("%p\n", obj_desc->reference.object);
 			break;
 
-		case AML_LOAD_OP:
+		case ACPI_REFCLASS_TABLE:
 
-			acpi_os_printf("Reference: [DdbHandle] TableIndex %X\n",
+			acpi_os_printf("Table Index %X\n",
 				       obj_desc->reference.value);
 			break;
 
-		case AML_REF_OF_OP:
+		case ACPI_REFCLASS_REFOF:
 
-			acpi_os_printf("Reference: [RefOf] %p [%s]\n",
-				       obj_desc->reference.object,
+			acpi_os_printf("%p [%s]\n", obj_desc->reference.object,
 				       acpi_ut_get_type_name(((union
 							       acpi_operand_object
-							       *)obj_desc->
+							       *)
+							      obj_desc->
 							      reference.
 							      object)->common.
 							     type));
 			break;
 
-		case AML_ARG_OP:
+		case ACPI_REFCLASS_ARG:
 
-			acpi_os_printf("Reference: [Arg%d]",
-				       obj_desc->reference.offset);
+			acpi_os_printf("%X", obj_desc->reference.value);
 
 			if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
 
@@ -543,10 +543,9 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 			acpi_os_printf("\n");
 			break;
 
-		case AML_LOCAL_OP:
+		case ACPI_REFCLASS_LOCAL:
 
-			acpi_os_printf("Reference: [Local%d]",
-				       obj_desc->reference.offset);
+			acpi_os_printf("%X", obj_desc->reference.value);
 
 			if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
 
@@ -561,21 +560,16 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
 			acpi_os_printf("\n");
 			break;
 
-		case AML_INT_NAMEPATH_OP:
+		case ACPI_REFCLASS_NAME:
 
-			acpi_os_printf("Reference: [Namepath] %X [%4.4s]\n",
-				       obj_desc->reference.node->name.integer,
+			acpi_os_printf("- [%4.4s]\n",
 				       obj_desc->reference.node->name.ascii);
 			break;
 
-		default:
-
-			/* Unknown opcode */
+		default:	/* Unknown reference class */
 
-			acpi_os_printf("Unknown Reference opcode=%X\n",
-				       obj_desc->reference.opcode);
+			acpi_os_printf("%2.2X\n", obj_desc->reference.class);
 			break;
-
 		}
 		break;
 
@@ -866,8 +860,8 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
 
 	ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
 
-	if (obj_desc->reference.opcode == AML_INT_NAMEPATH_OP) {
-		acpi_os_printf(" Named Object %p ", obj_desc->reference.node);
+	if (obj_desc->reference.class == ACPI_REFCLASS_NAME) {
+		acpi_os_printf(" %p ", obj_desc->reference.node);
 
 		status =
 		    acpi_ns_handle_to_pathname(obj_desc->reference.node,
@@ -883,8 +877,8 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
 		    ACPI_DESC_TYPE_OPERAND) {
 			acpi_os_printf(" Target: %p",
 				       obj_desc->reference.object);
-			if (obj_desc->reference.opcode == AML_LOAD_OP) {
-				acpi_os_printf(" [DDBHandle] Table Index: %X\n",
+			if (obj_desc->reference.class == ACPI_REFCLASS_TABLE) {
+				acpi_os_printf(" Table Index: %X\n",
 					       obj_desc->reference.value);
 			} else {
 				acpi_os_printf(" Target: %p [%s]\n",
@@ -987,9 +981,9 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
 
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
-		acpi_os_printf("[Object Reference] %s",
-			       (acpi_ps_get_opcode_info
-				(obj_desc->reference.opcode))->name);
+		acpi_os_printf("[Object Reference] Type [%s] %2.2X",
+			       acpi_ut_get_reference_name(obj_desc),
+			       obj_desc->reference.class);
 		acpi_ex_dump_reference_obj(obj_desc);
 		break;
 
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 731414a581a..efb19134005 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -86,10 +86,10 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
 		/*
 		 * Must be a reference to a Local or Arg
 		 */
-		switch (obj_desc->reference.opcode) {
-		case AML_LOCAL_OP:
-		case AML_ARG_OP:
-		case AML_DEBUG_OP:
+		switch (obj_desc->reference.class) {
+		case ACPI_REFCLASS_LOCAL:
+		case ACPI_REFCLASS_ARG:
+		case ACPI_REFCLASS_DEBUG:
 
 			/* The referenced object is the pseudo-node for the local/arg */
 
@@ -98,8 +98,8 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
 
 		default:
 
-			ACPI_ERROR((AE_INFO, "Unknown Reference opcode %X",
-				    obj_desc->reference.opcode));
+			ACPI_ERROR((AE_INFO, "Unknown Reference Class %2.2X",
+				    obj_desc->reference.class));
 			return_ACPI_STATUS(AE_AML_INTERNAL);
 		}
 		break;
@@ -127,7 +127,7 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
 		return_ACPI_STATUS(AE_NO_MEMORY);
 	}
 
-	reference_obj->reference.opcode = AML_REF_OF_OP;
+	reference_obj->reference.class = ACPI_REFCLASS_REFOF;
 	reference_obj->reference.object = referenced_obj;
 	*return_desc = reference_obj;
 
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index 7c3bea575e0..f622f9eac8a 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -825,16 +825,16 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 				 *
 				 * Must resolve/dereference the local/arg reference first
 				 */
-				switch (operand[0]->reference.opcode) {
-				case AML_LOCAL_OP:
-				case AML_ARG_OP:
+				switch (operand[0]->reference.class) {
+				case ACPI_REFCLASS_LOCAL:
+				case ACPI_REFCLASS_ARG:
 
 					/* Set Operand[0] to the value of the local/arg */
 
 					status =
 					    acpi_ds_method_data_get_value
-					    (operand[0]->reference.opcode,
-					     operand[0]->reference.offset,
+					    (operand[0]->reference.class,
+					     operand[0]->reference.value,
 					     walk_state, &temp_desc);
 					if (ACPI_FAILURE(status)) {
 						goto cleanup;
@@ -848,7 +848,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 					operand[0] = temp_desc;
 					break;
 
-				case AML_REF_OF_OP:
+				case ACPI_REFCLASS_REFOF:
 
 					/* Get the object to which the reference refers */
 
@@ -928,8 +928,8 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 			 * This must be a reference object produced by either the
 			 * Index() or ref_of() operator
 			 */
-			switch (operand[0]->reference.opcode) {
-			case AML_INDEX_OP:
+			switch (operand[0]->reference.class) {
+			case ACPI_REFCLASS_INDEX:
 
 				/*
 				 * The target type for the Index operator must be
@@ -965,7 +965,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 					return_desc->integer.value =
 					    temp_desc->buffer.
 					    pointer[operand[0]->reference.
-						    offset];
+						    value];
 					break;
 
 				case ACPI_TYPE_PACKAGE:
@@ -985,7 +985,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 				default:
 
 					ACPI_ERROR((AE_INFO,
-						    "Unknown Index TargetType %X in obj %p",
+						    "Unknown Index TargetType %X in reference object %p",
 						    operand[0]->reference.
 						    target_type, operand[0]));
 					status = AE_AML_OPERAND_TYPE;
@@ -993,7 +993,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 				}
 				break;
 
-			case AML_REF_OF_OP:
+			case ACPI_REFCLASS_REFOF:
 
 				return_desc = operand[0]->reference.object;
 
@@ -1013,9 +1013,9 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
 
 			default:
 				ACPI_ERROR((AE_INFO,
-					    "Unknown opcode in reference(%p) - %X",
+					    "Unknown class in reference(%p) - %2.2X",
 					    operand[0],
-					    operand[0]->reference.opcode));
+					    operand[0]->reference.class));
 
 				status = AE_TYPE;
 				goto cleanup;
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c
index 8e8bbb6cceb..368def5dffc 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/executer/exoparg2.c
@@ -391,8 +391,8 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 		/* Initialize the Index reference object */
 
 		index = operand[1]->integer.value;
-		return_desc->reference.offset = (u32) index;
-		return_desc->reference.opcode = AML_INDEX_OP;
+		return_desc->reference.value = (u32) index;
+		return_desc->reference.class = ACPI_REFCLASS_INDEX;
 
 		/*
 		 * At this point, the Source operand is a String, Buffer, or Package.
diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c
index 5596f42c967..423ad3635f3 100644
--- a/drivers/acpi/executer/exresnte.c
+++ b/drivers/acpi/executer/exresnte.c
@@ -46,8 +46,6 @@
 #include <acpi/acdispat.h>
 #include <acpi/acinterp.h>
 #include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exresnte")
@@ -238,10 +236,10 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
 
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
-		switch (source_desc->reference.opcode) {
-		case AML_LOAD_OP:	/* This is a ddb_handle */
-		case AML_REF_OF_OP:
-		case AML_INDEX_OP:
+		switch (source_desc->reference.class) {
+		case ACPI_REFCLASS_TABLE:	/* This is a ddb_handle */
+		case ACPI_REFCLASS_REFOF:
+		case ACPI_REFCLASS_INDEX:
 
 			/* Return an additional reference to the object */
 
@@ -253,10 +251,8 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
 			/* No named references are allowed here */
 
 			ACPI_ERROR((AE_INFO,
-				    "Unsupported Reference opcode %X (%s)",
-				    source_desc->reference.opcode,
-				    acpi_ps_get_opcode_name(source_desc->
-							    reference.opcode)));
+				    "Unsupported Reference type %X",
+				    source_desc->reference.class));
 
 			return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 		}
diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c
index b35f7c817ac..89571b92a52 100644
--- a/drivers/acpi/executer/exresolv.c
+++ b/drivers/acpi/executer/exresolv.c
@@ -47,7 +47,6 @@
 #include <acpi/acdispat.h>
 #include <acpi/acinterp.h>
 #include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exresolv")
@@ -141,7 +140,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 	acpi_status status = AE_OK;
 	union acpi_operand_object *stack_desc;
 	union acpi_operand_object *obj_desc = NULL;
-	u16 opcode;
+	u8 ref_type;
 
 	ACPI_FUNCTION_TRACE(ex_resolve_object_to_value);
 
@@ -152,19 +151,19 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 	switch (ACPI_GET_OBJECT_TYPE(stack_desc)) {
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
-		opcode = stack_desc->reference.opcode;
+		ref_type = stack_desc->reference.class;
 
-		switch (opcode) {
-		case AML_LOCAL_OP:
-		case AML_ARG_OP:
+		switch (ref_type) {
+		case ACPI_REFCLASS_LOCAL:
+		case ACPI_REFCLASS_ARG:
 
 			/*
 			 * Get the local from the method's state info
 			 * Note: this increments the local's object reference count
 			 */
-			status = acpi_ds_method_data_get_value(opcode,
+			status = acpi_ds_method_data_get_value(ref_type,
 							       stack_desc->
-							       reference.offset,
+							       reference.value,
 							       walk_state,
 							       &obj_desc);
 			if (ACPI_FAILURE(status)) {
@@ -173,7 +172,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 
 			ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
 					  "[Arg/Local %X] ValueObj is %p\n",
-					  stack_desc->reference.offset,
+					  stack_desc->reference.value,
 					  obj_desc));
 
 			/*
@@ -184,7 +183,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 			*stack_ptr = obj_desc;
 			break;
 
-		case AML_INDEX_OP:
+		case ACPI_REFCLASS_INDEX:
 
 			switch (stack_desc->reference.target_type) {
 			case ACPI_TYPE_BUFFER_FIELD:
@@ -239,15 +238,15 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 			}
 			break;
 
-		case AML_REF_OF_OP:
-		case AML_DEBUG_OP:
-		case AML_LOAD_OP:
+		case ACPI_REFCLASS_REFOF:
+		case ACPI_REFCLASS_DEBUG:
+		case ACPI_REFCLASS_TABLE:
 
 			/* Just leave the object as-is, do not dereference */
 
 			break;
 
-		case AML_INT_NAMEPATH_OP:	/* Reference to a named object */
+		case ACPI_REFCLASS_NAME:	/* Reference to a named object */
 
 			/* Dereference the name */
 
@@ -273,8 +272,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 		default:
 
 			ACPI_ERROR((AE_INFO,
-				    "Unknown Reference opcode %X (%s) in %p",
-				    opcode, acpi_ps_get_opcode_name(opcode),
+				    "Unknown Reference type %X in %p", ref_type,
 				    stack_desc));
 			status = AE_AML_INTERNAL;
 			break;
@@ -388,13 +386,13 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 	 * traversing the list of possibly many nested references.
 	 */
 	while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
-		switch (obj_desc->reference.opcode) {
-		case AML_REF_OF_OP:
-		case AML_INT_NAMEPATH_OP:
+		switch (obj_desc->reference.class) {
+		case ACPI_REFCLASS_REFOF:
+		case ACPI_REFCLASS_NAME:
 
 			/* Dereference the reference pointer */
 
-			if (obj_desc->reference.opcode == AML_REF_OF_OP) {
+			if (obj_desc->reference.class == ACPI_REFCLASS_REFOF) {
 				node = obj_desc->reference.object;
 			} else {	/* AML_INT_NAMEPATH_OP */
 
@@ -429,7 +427,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 			}
 			break;
 
-		case AML_INDEX_OP:
+		case ACPI_REFCLASS_INDEX:
 
 			/* Get the type of this reference (index into another object) */
 
@@ -455,22 +453,22 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 			}
 			break;
 
-		case AML_LOAD_OP:
+		case ACPI_REFCLASS_TABLE:
 
 			type = ACPI_TYPE_DDB_HANDLE;
 			goto exit;
 
-		case AML_LOCAL_OP:
-		case AML_ARG_OP:
+		case ACPI_REFCLASS_LOCAL:
+		case ACPI_REFCLASS_ARG:
 
 			if (return_desc) {
 				status =
 				    acpi_ds_method_data_get_value(obj_desc->
 								  reference.
-								  opcode,
+								  class,
 								  obj_desc->
 								  reference.
-								  offset,
+								  value,
 								  walk_state,
 								  &obj_desc);
 				if (ACPI_FAILURE(status)) {
@@ -481,10 +479,10 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 				status =
 				    acpi_ds_method_data_get_node(obj_desc->
 								 reference.
-								 opcode,
+								 class,
 								 obj_desc->
 								 reference.
-								 offset,
+								 value,
 								 walk_state,
 								 &node);
 				if (ACPI_FAILURE(status)) {
@@ -499,7 +497,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 			}
 			break;
 
-		case AML_DEBUG_OP:
+		case ACPI_REFCLASS_DEBUG:
 
 			/* The Debug Object is of type "DebugObject" */
 
@@ -509,8 +507,8 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
 		default:
 
 			ACPI_ERROR((AE_INFO,
-				    "Unknown Reference subtype %X",
-				    obj_desc->reference.opcode));
+				    "Unknown Reference Class %2.2X",
+				    obj_desc->reference.class));
 			return_ACPI_STATUS(AE_AML_INTERNAL);
 		}
 	}
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index 54085f16ec2..0bb82593da7 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -225,41 +225,36 @@ acpi_ex_resolve_operands(u16 opcode,
 
 			if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) {
 
-				/* Decode the Reference */
+				/* Validate the Reference */
 
-				op_info = acpi_ps_get_opcode_info(opcode);
-				if (op_info->class == AML_CLASS_UNKNOWN) {
-					return_ACPI_STATUS(AE_AML_BAD_OPCODE);
-				}
+				switch (obj_desc->reference.class) {
+				case ACPI_REFCLASS_DEBUG:
 
-				switch (obj_desc->reference.opcode) {
-				case AML_DEBUG_OP:
 					target_op = AML_DEBUG_OP;
 
 					/*lint -fallthrough */
 
-				case AML_INDEX_OP:
-				case AML_REF_OF_OP:
-				case AML_ARG_OP:
-				case AML_LOCAL_OP:
-				case AML_LOAD_OP:	/* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
-				case AML_INT_NAMEPATH_OP:	/* Reference to a named object */
-
-					ACPI_DEBUG_ONLY_MEMBERS(ACPI_DEBUG_PRINT
-								((ACPI_DB_EXEC,
-								  "Operand is a Reference, RefOpcode [%s]\n",
-								  (acpi_ps_get_opcode_info
-								   (obj_desc->
-								    reference.
-								    opcode))->
-								  name)));
+				case ACPI_REFCLASS_ARG:
+				case ACPI_REFCLASS_LOCAL:
+				case ACPI_REFCLASS_INDEX:
+				case ACPI_REFCLASS_REFOF:
+				case ACPI_REFCLASS_TABLE:	/* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
+				case ACPI_REFCLASS_NAME:	/* Reference to a named object */
+
+					ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+							  "Operand is a Reference, Class [%s] %2.2X\n",
+							  acpi_ut_get_reference_name
+							  (obj_desc),
+							  obj_desc->reference.
+							  class));
 					break;
 
 				default:
+
 					ACPI_ERROR((AE_INFO,
-						    "Operand is a Reference, Unknown Reference Opcode: %X",
-						    obj_desc->reference.
-						    opcode));
+						    "Unknown Reference Class %2.2X in %p",
+						    obj_desc->reference.class,
+						    obj_desc));
 
 					return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
 				}
@@ -270,8 +265,7 @@ acpi_ex_resolve_operands(u16 opcode,
 
 			/* Invalid descriptor */
 
-			ACPI_ERROR((AE_INFO,
-				    "Invalid descriptor %p [%s]",
+			ACPI_ERROR((AE_INFO, "Invalid descriptor %p [%s]",
 				    obj_desc,
 				    acpi_ut_get_descriptor_name(obj_desc)));
 
@@ -343,7 +337,7 @@ acpi_ex_resolve_operands(u16 opcode,
 			if ((opcode == AML_STORE_OP) &&
 			    (ACPI_GET_OBJECT_TYPE(*stack_ptr) ==
 			     ACPI_TYPE_LOCAL_REFERENCE)
-			    && ((*stack_ptr)->reference.opcode == AML_INDEX_OP)) {
+			    && ((*stack_ptr)->reference.class == ACPI_REFCLASS_INDEX)) {
 				goto next_operand;
 			}
 			break;
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 20b4893e06e..3318df4cbd9 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -47,7 +47,6 @@
 #include <acpi/acinterp.h>
 #include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exstore")
@@ -179,23 +178,27 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
 
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
-		if (source_desc->reference.opcode == AML_INDEX_OP) {
-			ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
-					      "[%s, 0x%X]\n",
-					      acpi_ps_get_opcode_name
-					      (source_desc->reference.opcode),
-					      source_desc->reference.offset));
-		} else {
-			ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[%s]",
-					      acpi_ps_get_opcode_name
-					      (source_desc->reference.opcode)));
-		}
+		ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[%s] ",
+				      acpi_ut_get_reference_name(source_desc)));
+
+		/* Decode the reference */
+
+		switch (source_desc->reference.class) {
+		case ACPI_REFCLASS_INDEX:
+
+			ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "0x%X\n",
+					      source_desc->reference.value));
+			break;
+
+		case ACPI_REFCLASS_TABLE:
 
-		if (source_desc->reference.opcode == AML_LOAD_OP) {	/* Load and load_table */
 			ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
-					      " Table Index %X\n",
+					      "Table Index 0x%X\n",
 					      source_desc->reference.value));
 			break;
+
+		default:
+			break;
 		}
 
 		ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "  "));
@@ -347,15 +350,15 @@ acpi_ex_store(union acpi_operand_object *source_desc,
 	}
 
 	/*
-	 * Examine the Reference opcode.  These cases are handled:
+	 * Examine the Reference class. These cases are handled:
 	 *
 	 * 1) Store to Name (Change the object associated with a name)
 	 * 2) Store to an indexed area of a Buffer or Package
 	 * 3) Store to a Method Local or Arg
 	 * 4) Store to the debug object
 	 */
-	switch (ref_desc->reference.opcode) {
-	case AML_REF_OF_OP:
+	switch (ref_desc->reference.class) {
+	case ACPI_REFCLASS_REFOF:
 
 		/* Storing an object into a Name "container" */
 
@@ -365,7 +368,7 @@ acpi_ex_store(union acpi_operand_object *source_desc,
 						      ACPI_IMPLICIT_CONVERSION);
 		break;
 
-	case AML_INDEX_OP:
+	case ACPI_REFCLASS_INDEX:
 
 		/* Storing to an Index (pointer into a packager or buffer) */
 
@@ -374,18 +377,18 @@ acpi_ex_store(union acpi_operand_object *source_desc,
 						  walk_state);
 		break;
 
-	case AML_LOCAL_OP:
-	case AML_ARG_OP:
+	case ACPI_REFCLASS_LOCAL:
+	case ACPI_REFCLASS_ARG:
 
 		/* Store to a method local/arg  */
 
 		status =
-		    acpi_ds_store_object_to_local(ref_desc->reference.opcode,
-						  ref_desc->reference.offset,
+		    acpi_ds_store_object_to_local(ref_desc->reference.class,
+						  ref_desc->reference.value,
 						  source_desc, walk_state);
 		break;
 
-	case AML_DEBUG_OP:
+	case ACPI_REFCLASS_DEBUG:
 
 		/*
 		 * Storing to the Debug object causes the value stored to be
@@ -401,8 +404,8 @@ acpi_ex_store(union acpi_operand_object *source_desc,
 
 	default:
 
-		ACPI_ERROR((AE_INFO, "Unknown Reference opcode %X",
-			    ref_desc->reference.opcode));
+		ACPI_ERROR((AE_INFO, "Unknown Reference Class %2.2X",
+			    ref_desc->reference.class));
 		ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_INFO);
 
 		status = AE_AML_INTERNAL;
@@ -458,7 +461,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
 
 		if (ACPI_GET_OBJECT_TYPE(source_desc) ==
 		    ACPI_TYPE_LOCAL_REFERENCE
-		    && source_desc->reference.opcode == AML_LOAD_OP) {
+		    && source_desc->reference.class == ACPI_REFCLASS_TABLE) {
 
 			/* This is a DDBHandle, just add a reference to it */
 
@@ -553,7 +556,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
 
 		/* Store the source value into the target buffer byte */
 
-		obj_desc->buffer.pointer[index_desc->reference.offset] = value;
+		obj_desc->buffer.pointer[index_desc->reference.value] = value;
 		break;
 
 	default:
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index a6d2168b81f..eef61a00803 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -121,7 +121,8 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
 		    (ACPI_GET_OBJECT_TYPE(source_desc) != ACPI_TYPE_STRING) &&
 		    !((ACPI_GET_OBJECT_TYPE(source_desc) ==
 		       ACPI_TYPE_LOCAL_REFERENCE)
-		      && (source_desc->reference.opcode == AML_LOAD_OP))) {
+		      && (source_desc->reference.class ==
+			  ACPI_REFCLASS_TABLE))) {
 
 			/* Conversion successful but still not a valid type */
 
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 0ab22004728..cc0ae39440e 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -43,7 +43,6 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsdump")
@@ -334,9 +333,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
 		case ACPI_TYPE_LOCAL_REFERENCE:
 
 			acpi_os_printf("[%s]\n",
-				       acpi_ps_get_opcode_name(obj_desc->
-							       reference.
-							       opcode));
+				       acpi_ut_get_reference_name(obj_desc));
 			break;
 
 		case ACPI_TYPE_BUFFER_FIELD:
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index f3cc3762453..a085cc39c05 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -45,7 +45,6 @@
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
 #include <acpi/acinterp.h>
-#include <acpi/amlcode.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsxfeval")
@@ -399,13 +398,13 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
 	 * (AML_LOAD_OP) cannot be dereferenced, nor can it be converted to
 	 * an union acpi_object.
 	 */
-	switch (info->return_object->reference.opcode) {
-	case AML_INDEX_OP:
+	switch (info->return_object->reference.class) {
+	case ACPI_REFCLASS_INDEX:
 
 		obj_desc = *(info->return_object->reference.where);
 		break;
 
-	case AML_REF_OF_OP:
+	case ACPI_REFCLASS_REFOF:
 
 		node = info->return_object->reference.object;
 		if (node) {
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index d9063ea414e..8eaaecf9200 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -43,7 +43,6 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acresrc.h>
-#include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
 
 #define _COMPONENT          ACPI_RESOURCES
@@ -560,8 +559,8 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
 			      ACPI_GET_OBJECT_TYPE(*sub_object_list)) ||
 			     ((ACPI_TYPE_LOCAL_REFERENCE ==
 			       ACPI_GET_OBJECT_TYPE(*sub_object_list)) &&
-			      ((*sub_object_list)->reference.opcode ==
-			       AML_INT_NAMEPATH_OP)))) {
+			      ((*sub_object_list)->reference.class ==
+			       ACPI_REFCLASS_NAME)))) {
 				name_found = TRUE;
 			} else {
 				/* Look at the next element */
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index 7804a8c40e7..c0bbfa2c419 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -43,7 +43,6 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acresrc.h>
-#include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
 
 #define _COMPONENT          ACPI_RESOURCES
@@ -310,13 +309,12 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
 			switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
 			case ACPI_TYPE_LOCAL_REFERENCE:
 
-				if (obj_desc->reference.opcode !=
-				    AML_INT_NAMEPATH_OP) {
+				if (obj_desc->reference.class !=
+				    ACPI_REFCLASS_NAME) {
 					ACPI_ERROR((AE_INFO,
-						    "(PRT[%X].Source) Need name, found reference op %X",
+						    "(PRT[%X].Source) Need name, found Reference Class %X",
 						    index,
-						    obj_desc->reference.
-						    opcode));
+						    obj_desc->reference.class));
 					return_ACPI_STATUS(AE_BAD_DATA);
 				}
 
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 53499ac9098..5b2f7c27b70 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -42,7 +42,6 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/amlcode.h>
 #include <acpi/acnamesp.h>
 
 
@@ -176,20 +175,24 @@ acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
 
 		/* This is an object reference. */
 
-		switch (internal_object->reference.opcode) {
-		case AML_INT_NAMEPATH_OP:
-
-			/* For namepath, return the object handle ("reference") */
-
-		default:
-
-			/* We are referring to the namespace node */
+		switch (internal_object->reference.class) {
+		case ACPI_REFCLASS_NAME:
 
+			/*
+			 * For namepath, return the object handle ("reference")
+			 * We are referring to the namespace node
+			 */
 			external_object->reference.handle =
 			    internal_object->reference.node;
 			external_object->reference.actual_type =
 			    acpi_ns_get_type(internal_object->reference.node);
 			break;
+
+		default:
+
+			/* All other reference types are unsupported */
+
+			return_ACPI_STATUS(AE_TYPE);
 		}
 		break;
 
@@ -533,7 +536,7 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
 
 		/* TBD: should validate incoming handle */
 
-		internal_object->reference.opcode = AML_INT_NAMEPATH_OP;
+		internal_object->reference.class = ACPI_REFCLASS_NAME;
 		internal_object->reference.node =
 		    external_object->reference.handle;
 		break;
@@ -743,11 +746,11 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
 		 * We copied the reference object, so we now must add a reference
 		 * to the object pointed to by the reference
 		 *
-		 * DDBHandle reference (from Load/load_table is a special reference,
-		 * it's Reference.Object is the table index, so does not need to
+		 * DDBHandle reference (from Load/load_table) is a special reference,
+		 * it does not have a Reference.Object, so does not need to
 		 * increase the reference count
 		 */
-		if (source_desc->reference.opcode == AML_LOAD_OP) {
+		if (source_desc->reference.class == ACPI_REFCLASS_TABLE) {
 			break;
 		}
 
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 42609d3a8aa..5c219758c22 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -45,7 +45,6 @@
 #include <acpi/acinterp.h>
 #include <acpi/acnamesp.h>
 #include <acpi/acevents.h>
-#include <acpi/amlcode.h>
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utdelete")
@@ -548,8 +547,8 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
 			 * reference must track changes to the ref count of the index or
 			 * target object.
 			 */
-			if ((object->reference.opcode == AML_INDEX_OP) ||
-			    (object->reference.opcode == AML_INT_NAMEPATH_OP)) {
+			if ((object->reference.class == ACPI_REFCLASS_INDEX) ||
+			    (object->reference.class == ACPI_REFCLASS_NAME)) {
 				next_object = object->reference.object;
 			}
 			break;
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index bcace577183..0b1e493a837 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -45,7 +45,6 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
-#include <acpi/amlcode.h>
 
 ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
 #define _COMPONENT          ACPI_UTILITIES
@@ -590,25 +589,31 @@ char *acpi_ut_get_descriptor_name(void *object)
 
 /* Printable names of reference object sub-types */
 
+static const char *acpi_gbl_ref_class_names[] = {
+	/* 00 */ "Local",
+	/* 01 */ "Argument",
+	/* 02 */ "RefOf",
+	/* 03 */ "Index",
+	/* 04 */ "DdbHandle",
+	/* 05 */ "Named Object",
+	/* 06 */ "Debug"
+};
+
 const char *acpi_ut_get_reference_name(union acpi_operand_object *object)
 {
+	if (!object)
+		return "NULL Object";
 
-	switch (object->reference.opcode) {
-	case AML_INT_NAMEPATH_OP:
-		return "Name";
+	if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND)
+		return "Not an Operand object";
 
-	case AML_LOAD_OP:
-		return "DDB-Handle";
+	if (object->common.type != ACPI_TYPE_LOCAL_REFERENCE)
+		return "Not a Reference object";
 
-	case AML_REF_OF_OP:
-		return "RefOf";
+	if (object->reference.class > ACPI_REFCLASS_MAX)
+		return "Unknown Reference class";
 
-	case AML_INDEX_OP:
-		return "Index";
-
-	default:
-		return "Unknown";
-	}
+	return acpi_gbl_ref_class_names[object->reference.class];
 }
 
 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
@@ -812,4 +817,4 @@ acpi_status acpi_ut_init_globals(void)
 }
 
 ACPI_EXPORT_SYMBOL(acpi_dbg_level)
-    ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
+ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index 924d05af94d..c354e7a42bc 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -43,7 +43,6 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acnamesp.h>
-#include <acpi/amlcode.h>
 
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utobject")
@@ -478,8 +477,8 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
 
 	case ACPI_TYPE_LOCAL_REFERENCE:
 
-		switch (internal_object->reference.opcode) {
-		case AML_INT_NAMEPATH_OP:
+		switch (internal_object->reference.class) {
+		case ACPI_REFCLASS_NAME:
 
 			/*
 			 * Get the actual length of the full pathname to this object.
@@ -504,9 +503,9 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
 			 */
 			ACPI_ERROR((AE_INFO,
 				    "Cannot convert to external object - "
-				    "unsupported Reference type [%s] %X in object %p",
+				    "unsupported Reference Class [%s] %X in object %p",
 				    acpi_ut_get_reference_name(internal_object),
-				    internal_object->reference.opcode,
+				    internal_object->reference.class,
 				    internal_object));
 			status = AE_TYPE;
 			break;
diff --git a/include/acpi/acdebug.h b/include/acpi/acdebug.h
index c5a1b50d8d9..a4fb001d96f 100644
--- a/include/acpi/acdebug.h
+++ b/include/acpi/acdebug.h
@@ -123,6 +123,10 @@ void acpi_db_check_integrity(void);
 
 void acpi_db_generate_gpe(char *gpe_arg, char *block_arg);
 
+void acpi_db_check_predefined_names(void);
+
+void acpi_db_batch_execute(void);
+
 /*
  * dbdisply - debug display commands
  */
diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h
index 21a73a105d0..6291904be01 100644
--- a/include/acpi/acdispat.h
+++ b/include/acpi/acdispat.h
@@ -157,7 +157,7 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
  * dsmthdat - method data (locals/args)
  */
 acpi_status
-acpi_ds_store_object_to_local(u16 opcode,
+acpi_ds_store_object_to_local(u8 type,
 			      u32 index,
 			      union acpi_operand_object *src_desc,
 			      struct acpi_walk_state *walk_state);
@@ -173,7 +173,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state);
 u8 acpi_ds_is_method_value(union acpi_operand_object *obj_desc);
 
 acpi_status
-acpi_ds_method_data_get_value(u16 opcode,
+acpi_ds_method_data_get_value(u8 type,
 			      u32 index,
 			      struct acpi_walk_state *walk_state,
 			      union acpi_operand_object **dest_desc);
@@ -184,7 +184,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
 			      struct acpi_walk_state *walk_state);
 
 acpi_status
-acpi_ds_method_data_get_node(u16 opcode,
+acpi_ds_method_data_get_node(u8 type,
 			     u32 index,
 			     struct acpi_walk_state *walk_state,
 			     struct acpi_namespace_node **node);
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index 7a8a652ffb7..eb6f038b03d 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -308,19 +308,34 @@ struct acpi_object_addr_handler {
  *****************************************************************************/
 
 /*
- * The Reference object type is used for these opcodes:
- * Arg[0-6], Local[0-7], index_op, name_op, zero_op, one_op, ones_op, debug_op
+ * The Reference object is used for these opcodes:
+ * Arg[0-6], Local[0-7], index_op, name_op, ref_of_op, load_op, load_table_op, debug_op
+ * The Reference.Class differentiates these types.
  */
 struct acpi_object_reference {
-	ACPI_OBJECT_COMMON_HEADER u8 target_type;	/* Used for index_op */
-	u16 opcode;
+	ACPI_OBJECT_COMMON_HEADER u8 class;	/* Reference Class */
+	u8 target_type;		/* Used for Index Op */
+	u8 reserved;
 	void *object;		/* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
-	struct acpi_namespace_node *node;
-	union acpi_operand_object **where;
-	u32 offset;		/* Used for arg_op, local_op, and index_op */
-	u32 value;		/* Used for ddb_handle */
+	struct acpi_namespace_node *node;	/* ref_of or Namepath */
+	union acpi_operand_object **where;	/* Target of Index */
+	u32 value;		/* Used for Local/Arg/Index/ddb_handle */
 };
 
+/* Values for Reference.Class above */
+
+typedef enum {
+	ACPI_REFCLASS_LOCAL = 0,	/* Method local */
+	ACPI_REFCLASS_ARG = 1,	/* Method argument */
+	ACPI_REFCLASS_REFOF = 2,	/* Result of ref_of() TBD: Split to Ref/Node and Ref/operand_obj? */
+	ACPI_REFCLASS_INDEX = 3,	/* Result of Index() */
+	ACPI_REFCLASS_TABLE = 4,	/* ddb_handle - Load(), load_table() */
+	ACPI_REFCLASS_NAME = 5,	/* Reference to a named object */
+	ACPI_REFCLASS_DEBUG = 6,	/* Debug object */
+
+	ACPI_REFCLASS_MAX = 6
+} ACPI_REFERENCE_CLASSES;
+
 /*
  * Extra object is used as additional storage for types that
  * have AML code in their declarations (term_args) that must be
-- 
GitLab


From 393a75d6b7bae59221b2122634eb4cb905e84208 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 11:12:36 +0800
Subject: [PATCH 2004/2224] ACPICA: Fix possible memory leak in
 acpi_ns_get_external_pathname

Fixes a memory leak in the error exit path.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/namespace/nsnames.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index bd577387800..9c587bdfe3f 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -142,7 +142,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 
 	size = acpi_ns_get_pathname_length(node);
 	if (!size) {
-		return (NULL);
+		return_PTR(NULL);
 	}
 
 	/* Allocate a buffer to be returned to caller */
@@ -157,7 +157,8 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 
 	status = acpi_ns_build_external_path(node, size, name_buffer);
 	if (ACPI_FAILURE(status)) {
-		return (NULL);
+		ACPI_FREE(name_buffer);
+		return_PTR(NULL);
 	}
 
 	return_PTR(name_buffer);
-- 
GitLab


From 51f52819bd02112a1f61f0741231f14bdb0cae7b Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 11:14:04 +0800
Subject: [PATCH 2005/2224] ACPICA: Update version to 20080829

Update version to 20080829.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acconfig.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 4da88b165b5..2b737e510b1 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION 		0x20080729
+#define ACPI_CA_VERSION                 0x20080829
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
-- 
GitLab


From bbbbeb8e31af97f11b84294b2e7e5607125829d2 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Sat, 27 Sep 2008 11:26:59 +0800
Subject: [PATCH 2006/2224] ACPICA: Remove unused ACPI register bit definition

Removed the ACPI_BITREG_WAKE_ENABLE definition and entry in the
global register table. This bit does not exist and is unused.

http://www.acpica.org/bugzilla/show_bug.cgi?id=442

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/utilities/utglobal.c |  1 -
 include/acpi/actypes.h            | 34 +++++++++++++++++++++----------
 2 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 0b1e493a837..670551b95e5 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -281,7 +281,6 @@ struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG] = {
 	/* ACPI_BITREG_RT_CLOCK_ENABLE      */ {ACPI_REGISTER_PM1_ENABLE,
 						ACPI_BITPOSITION_RT_CLOCK_ENABLE,
 						ACPI_BITMASK_RT_CLOCK_ENABLE},
-	/* ACPI_BITREG_WAKE_ENABLE          */ {ACPI_REGISTER_PM1_ENABLE, 0, 0},
 	/* ACPI_BITREG_PCIEXP_WAKE_DISABLE  */ {ACPI_REGISTER_PM1_ENABLE,
 						ACPI_BITPOSITION_PCIEXP_WAKE_DISABLE,
 						ACPI_BITMASK_PCIEXP_WAKE_DISABLE},
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 6bd08e83f31..e8936ab5962 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -607,8 +607,15 @@ typedef u8 acpi_adr_space_type;
 
 /*
  * bit_register IDs
- * These are bitfields defined within the full ACPI registers
+ *
+ * These values are intended to be used by the hardware interfaces
+ * and are mapped to individual bitfields defined within the ACPI
+ * registers. See the acpi_gbl_bit_register_info global table in utglobal.c
+ * for this mapping.
  */
+
+/* PM1 Status register */
+
 #define ACPI_BITREG_TIMER_STATUS                0x00
 #define ACPI_BITREG_BUS_MASTER_STATUS           0x01
 #define ACPI_BITREG_GLOBAL_LOCK_STATUS          0x02
@@ -618,24 +625,29 @@ typedef u8 acpi_adr_space_type;
 #define ACPI_BITREG_WAKE_STATUS                 0x06
 #define ACPI_BITREG_PCIEXP_WAKE_STATUS          0x07
 
+/* PM1 Enable register */
+
 #define ACPI_BITREG_TIMER_ENABLE                0x08
 #define ACPI_BITREG_GLOBAL_LOCK_ENABLE          0x09
 #define ACPI_BITREG_POWER_BUTTON_ENABLE         0x0A
 #define ACPI_BITREG_SLEEP_BUTTON_ENABLE         0x0B
 #define ACPI_BITREG_RT_CLOCK_ENABLE             0x0C
-#define ACPI_BITREG_WAKE_ENABLE                 0x0D
-#define ACPI_BITREG_PCIEXP_WAKE_DISABLE         0x0E
+#define ACPI_BITREG_PCIEXP_WAKE_DISABLE         0x0D
+
+/* PM1 Control register */
+
+#define ACPI_BITREG_SCI_ENABLE                  0x0E
+#define ACPI_BITREG_BUS_MASTER_RLD              0x0F
+#define ACPI_BITREG_GLOBAL_LOCK_RELEASE         0x10
+#define ACPI_BITREG_SLEEP_TYPE_A                0x11
+#define ACPI_BITREG_SLEEP_TYPE_B                0x12
+#define ACPI_BITREG_SLEEP_ENABLE                0x13
 
-#define ACPI_BITREG_SCI_ENABLE                  0x0F
-#define ACPI_BITREG_BUS_MASTER_RLD              0x10
-#define ACPI_BITREG_GLOBAL_LOCK_RELEASE         0x11
-#define ACPI_BITREG_SLEEP_TYPE_A                0x12
-#define ACPI_BITREG_SLEEP_TYPE_B                0x13
-#define ACPI_BITREG_SLEEP_ENABLE                0x14
+/* PM2 Control register */
 
-#define ACPI_BITREG_ARB_DISABLE                 0x15
+#define ACPI_BITREG_ARB_DISABLE                 0x14
 
-#define ACPI_BITREG_MAX                         0x15
+#define ACPI_BITREG_MAX                         0x14
 #define ACPI_NUM_BITREG                         ACPI_BITREG_MAX + 1
 
 /*
-- 
GitLab


From c35def2118d3d7cceb0f69d6707f613a7473df15 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Sat, 27 Sep 2008 11:28:46 +0800
Subject: [PATCH 2007/2224] ACPICA: Fix fault after mem allocation failure in
 AML parser

Fixes a crash if a memory allocation fails during the Op completion
routine acpi_ps_complete_this_op().

http://www.acpica.org/bugzilla/show_bug.cgi?id=492

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/parser/psparse.c | 28 +++++++++++-----------------
 1 file changed, 11 insertions(+), 17 deletions(-)

diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 15e1702e48d..52caaf6582e 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -137,6 +137,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
 	union acpi_parse_object *next;
 	const struct acpi_opcode_info *parent_info;
 	union acpi_parse_object *replacement_op = NULL;
+	acpi_status status = AE_OK;
 
 	ACPI_FUNCTION_TRACE_PTR(ps_complete_this_op, op);
 
@@ -186,7 +187,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
 			replacement_op =
 			    acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
 			if (!replacement_op) {
-				goto allocate_error;
+				status = AE_NO_MEMORY;
 			}
 			break;
 
@@ -211,7 +212,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
 				replacement_op =
 				    acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
 				if (!replacement_op) {
-					goto allocate_error;
+					status = AE_NO_MEMORY;
 				}
 			} else
 			    if ((op->common.parent->common.aml_opcode ==
@@ -226,13 +227,13 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
 					    acpi_ps_alloc_op(op->common.
 							     aml_opcode);
 					if (!replacement_op) {
-						goto allocate_error;
+						status = AE_NO_MEMORY;
+					} else {
+						replacement_op->named.data =
+						    op->named.data;
+						replacement_op->named.length =
+						    op->named.length;
 					}
-
-					replacement_op->named.data =
-					    op->named.data;
-					replacement_op->named.length =
-					    op->named.length;
 				}
 			}
 			break;
@@ -242,7 +243,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
 			replacement_op =
 			    acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
 			if (!replacement_op) {
-				goto allocate_error;
+				status = AE_NO_MEMORY;
 			}
 		}
 
@@ -302,14 +303,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
 	/* Now we can actually delete the subtree rooted at Op */
 
 	acpi_ps_delete_parse_tree(op);
-	return_ACPI_STATUS(AE_OK);
-
-      allocate_error:
-
-	/* Always delete the subtree, even on error */
-
-	acpi_ps_delete_parse_tree(op);
-	return_ACPI_STATUS(AE_NO_MEMORY);
+	return_ACPI_STATUS(status);
 }
 
 /*******************************************************************************
-- 
GitLab


From cf058bd1c84df9921ecc517d8a8a413f4d6b5b45 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Sat, 27 Sep 2008 11:29:57 +0800
Subject: [PATCH 2008/2224] ACPICA: Fix possible memory leak, error exit path

Fixed two possible memory leaks in the error exit paths of
acpi_ut_update_objerct_reference() and
acpi_ut_walk_package_tree()
These functions are similar in that they use a stack of state objects in
order to eliminate recursion. The stack must be fully deallocated
if an error occurs.

http://www.acpica.org/bugzilla/show_bug.cgi?id=383

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/utilities/utdelete.c | 7 +++++++
 drivers/acpi/utilities/utmisc.c   | 9 +++++++++
 2 files changed, 16 insertions(+)

diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 5c219758c22..d197c6b29e1 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -585,6 +585,13 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
 	ACPI_EXCEPTION((AE_INFO, status,
 			"Could not update object reference count"));
 
+	/* Free any stacked Update State objects */
+
+	while (state_list) {
+		state = acpi_ut_pop_generic_state(&state_list);
+		acpi_ut_delete_generic_state(state);
+	}
+
 	return_ACPI_STATUS(status);
 }
 
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index f34be677355..9089a158a87 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -995,6 +995,15 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
 							 state->pkg.
 							 this_target_obj, 0);
 			if (!state) {
+
+				/* Free any stacked Update State objects */
+
+				while (state_list) {
+					state =
+					    acpi_ut_pop_generic_state
+					    (&state_list);
+					acpi_ut_delete_generic_state(state);
+				}
 				return_ACPI_STATUS(AE_NO_MEMORY);
 			}
 		}
-- 
GitLab


From 68e125c40597802b9789bc696775bf0246e7667d Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 11:34:48 +0800
Subject: [PATCH 2009/2224] ACPICA: Optimize buffer allocation procedure

Eliminate duplicate code.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/utilities/utalloc.c | 53 +++++++++++++++++---------------
 1 file changed, 28 insertions(+), 25 deletions(-)

diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index 7dcb67e0b21..241c535c175 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -232,7 +232,7 @@ acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer)
  * RETURN:      Status
  *
  * DESCRIPTION: Validate that the buffer is of the required length or
- *              allocate a new buffer.  Returned buffer is always zeroed.
+ *              allocate a new buffer. Returned buffer is always zeroed.
  *
  ******************************************************************************/
 
@@ -240,7 +240,7 @@ acpi_status
 acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
 			  acpi_size required_length)
 {
-	acpi_status status = AE_OK;
+	acpi_size input_buffer_length;
 
 	/* Parameter validation */
 
@@ -248,55 +248,58 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
 		return (AE_BAD_PARAMETER);
 	}
 
-	switch (buffer->length) {
+	/*
+	 * Buffer->Length is used as both an input and output parameter. Get the
+	 * input actual length and set the output required buffer length.
+	 */
+	input_buffer_length = buffer->length;
+	buffer->length = required_length;
+
+	/*
+	 * The input buffer length contains the actual buffer length, or the type
+	 * of buffer to be allocated by this routine.
+	 */
+	switch (input_buffer_length) {
 	case ACPI_NO_BUFFER:
 
-		/* Set the exception and returned the required length */
+		/* Return the exception (and the required buffer length) */
 
-		status = AE_BUFFER_OVERFLOW;
-		break;
+		return (AE_BUFFER_OVERFLOW);
 
 	case ACPI_ALLOCATE_BUFFER:
 
 		/* Allocate a new buffer */
 
 		buffer->pointer = acpi_os_allocate(required_length);
-		if (!buffer->pointer) {
-			return (AE_NO_MEMORY);
-		}
-
-		/* Clear the buffer */
-
-		ACPI_MEMSET(buffer->pointer, 0, required_length);
 		break;
 
 	case ACPI_ALLOCATE_LOCAL_BUFFER:
 
 		/* Allocate a new buffer with local interface to allow tracking */
 
-		buffer->pointer = ACPI_ALLOCATE_ZEROED(required_length);
-		if (!buffer->pointer) {
-			return (AE_NO_MEMORY);
-		}
+		buffer->pointer = ACPI_ALLOCATE(required_length);
 		break;
 
 	default:
 
 		/* Existing buffer: Validate the size of the buffer */
 
-		if (buffer->length < required_length) {
-			status = AE_BUFFER_OVERFLOW;
-			break;
+		if (input_buffer_length < required_length) {
+			return (AE_BUFFER_OVERFLOW);
 		}
+		break;
+	}
 
-		/* Clear the buffer */
+	/* Validate allocation from above or input buffer pointer */
 
-		ACPI_MEMSET(buffer->pointer, 0, required_length);
-		break;
+	if (!buffer->pointer) {
+		return (AE_NO_MEMORY);
 	}
 
-	buffer->length = required_length;
-	return (status);
+	/* Have a valid buffer, clear it */
+
+	ACPI_MEMSET(buffer->pointer, 0, required_length);
+	return (AE_OK);
 }
 
 #ifdef NOT_USED_BY_LINUX
-- 
GitLab


From d8a0ec914afa1a994d2f6184ac4c6668b5f8068f Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Sat, 27 Sep 2008 11:50:24 +0800
Subject: [PATCH 2010/2224] ACPICA: Fixed a couple memory leaks associated with
 "implicit return"

Fixed a couple memory leaks associated with "implicit return" objects
when the AML Interpreter slack mode is enabled.

http://www.acpica.org/bugzilla/show_bug.cgi?id=349

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dispatcher/dsmethod.c | 3 +++
 drivers/acpi/parser/psparse.c      | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 4613b9ca579..279a5a60a0d 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -103,6 +103,9 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
 						    NULL);
 		acpi_ex_enter_interpreter();
 	}
+
+	acpi_ds_clear_implicit_return(walk_state);
+
 #ifdef ACPI_DISASSEMBLER
 	if (ACPI_FAILURE(status)) {
 
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 52caaf6582e..68e932f215e 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -635,10 +635,12 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
 					    ACPI_WALK_METHOD_RESTART;
 				}
 			} else {
-				/* On error, delete any return object */
+				/* On error, delete any return object or implicit return */
 
 				acpi_ut_remove_reference(previous_walk_state->
 							 return_desc);
+				acpi_ds_clear_implicit_return
+				    (previous_walk_state);
 			}
 		}
 
-- 
GitLab


From b9d1312ad4246e467f333dfe2ac4dc7a79608d59 Mon Sep 17 00:00:00 2001
From: Lin Ming <ming.m.lin@intel.com>
Date: Sat, 27 Sep 2008 12:01:12 +0800
Subject: [PATCH 2011/2224] ACPICA: Fix for implicit return compatibility

Predicate can be used for an implicit return value.
This change improves the implicit return mechanism to be more
compatible with the MS interpreter.

http://www.acpica.org/bugzilla/show_bug.cgi?id=349

Below AML code from http://bugzilla.kernel.org/show_bug.cgi?id=10686

	Store(0x07D6, OSYS)
	Method (_CRT, 0, Serialized)
	{
	    If (LLess (OSYS, 0x07D6))
	    {
		If (LEqual (\_SB.TJ85, Zero))
		{
		    Return (Add (0x0AAC, Multiply (TPC, 0x0A)))
		}
		Else
		{
		    Return (Add (0x0AAC, Multiply (TP85, 0x0A)))
		}
	    }
	}

Previously _CRT returns 0x07D6, now it returns 0 (predicate value of LLess)

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/dispatcher/dswexec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index 5b2419197b9..396fe12078c 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -166,6 +166,10 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
 		status = AE_CTRL_FALSE;
 	}
 
+	/* Predicate can be used for an implicit return value */
+
+	(void)acpi_ds_do_implicit_return(local_obj_desc, walk_state, TRUE);
+
       cleanup:
 
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Completed a predicate eval=%X Op=%p\n",
-- 
GitLab


From e8707b340fb5b6313cde784b944a568dfd770ddd Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sun, 28 Sep 2008 15:26:17 +0800
Subject: [PATCH 2012/2224] ACPICA: New: Validation for predefined ACPI
 methods/objects

Validates predefined ACPI objects that appear in the namespace,
at the time they are evaluated. The argument count and the type of
the returned object are validated. The purpose of this validation
is to detect problems with the BIOS-exposed predefined ACPI objects
before the results are returned to the ACPI-related drivers.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/namespace/Makefile   |   2 +-
 drivers/acpi/namespace/nseval.c   |  35 +-
 drivers/acpi/namespace/nsnames.c  |   2 -
 drivers/acpi/namespace/nspredef.c | 900 ++++++++++++++++++++++++++++++
 include/acpi/acdebug.h            |   4 +
 include/acpi/aclocal.h            |  77 +++
 include/acpi/acnamesp.h           |  16 +
 include/acpi/acpredef.h           | 371 ++++++++++++
 8 files changed, 1401 insertions(+), 6 deletions(-)
 create mode 100644 drivers/acpi/namespace/nspredef.c
 create mode 100644 include/acpi/acpredef.h

diff --git a/drivers/acpi/namespace/Makefile b/drivers/acpi/namespace/Makefile
index 3f63d364069..371a2daf837 100644
--- a/drivers/acpi/namespace/Makefile
+++ b/drivers/acpi/namespace/Makefile
@@ -5,7 +5,7 @@
 obj-y := nsaccess.o  nsload.o    nssearch.o  nsxfeval.o \
 	 nsalloc.o   nseval.o    nsnames.o   nsutils.o   nsxfname.o \
 	 nsdump.o    nsinit.o    nsobject.o  nswalk.o    nsxfobj.o  \
-	 nsparse.o
+	 nsparse.o   nspredef.o
 
 obj-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
 
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 42dae12f2ef..4cdf03ac2b4 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -78,6 +78,7 @@ ACPI_MODULE_NAME("nseval")
 acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 {
 	acpi_status status;
+	struct acpi_namespace_node *node;
 
 	ACPI_FUNCTION_TRACE(ns_evaluate);
 
@@ -117,6 +118,8 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 			  info->resolved_node,
 			  acpi_ns_get_attached_object(info->resolved_node)));
 
+	node = info->resolved_node;
+
 	/*
 	 * Two major cases here:
 	 *
@@ -261,9 +264,35 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
 		}
 	}
 
-	/*
-	 * Check if there is a return value that must be dealt with
-	 */
+	/* Validation of return values for ACPI-predefined methods and objects */
+
+	if ((status == AE_OK) || (status == AE_CTRL_RETURN_VALUE)) {
+		/*
+		 * If this is the first evaluation, check the return value. This
+		 * ensures that any warnings will only be emitted during the very
+		 * first evaluation of the object.
+		 */
+		if (!(node->flags & ANOBJ_EVALUATED)) {
+			/*
+			 * Check for a predefined ACPI name. If found, validate the
+			 * returned object.
+			 *
+			 * Note: Ignore return status for now, emit warnings if there are
+			 * problems with the returned object. May change later to abort
+			 * the method on invalid return object.
+			 */
+			(void)acpi_ns_check_predefined_names(node,
+							     info->
+							     return_object);
+		}
+
+		/* Mark the node as having been evaluated */
+
+		node->flags |= ANOBJ_EVALUATED;
+	}
+
+	/* Check if there is a return value that must be dealt with */
+
 	if (status == AE_CTRL_RETURN_VALUE) {
 
 		/* If caller does not want the return value, delete it */
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index 9c587bdfe3f..42a39a7c96e 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -115,7 +115,6 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 	return (AE_OK);
 }
 
-#ifdef ACPI_DEBUG_OUTPUT
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_get_external_pathname
@@ -163,7 +162,6 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 
 	return_PTR(name_buffer);
 }
-#endif
 
 /*******************************************************************************
  *
diff --git a/drivers/acpi/namespace/nspredef.c b/drivers/acpi/namespace/nspredef.c
new file mode 100644
index 00000000000..0f17cf0898c
--- /dev/null
+++ b/drivers/acpi/namespace/nspredef.c
@@ -0,0 +1,900 @@
+/******************************************************************************
+ *
+ * Module Name: nspredef - Validation of ACPI predefined methods and objects
+ *              $Revision: 1.1 $
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acpredef.h>
+
+#define _COMPONENT          ACPI_NAMESPACE
+ACPI_MODULE_NAME("nspredef")
+
+/*******************************************************************************
+ *
+ * This module validates predefined ACPI objects that appear in the namespace,
+ * at the time they are evaluated (via acpi_evaluate_object). The purpose of this
+ * validation is to detect problems with BIOS-exposed predefined ACPI objects
+ * before the results are returned to the ACPI-related drivers.
+ *
+ * There are several areas that are validated:
+ *
+ *  1) The number of input arguments as defined by the method/object in the
+ *      ASL is validated against the ACPI specification.
+ *  2) The type of the return object (if any) is validated against the ACPI
+ *      specification.
+ *  3) For returned package objects, the count of package elements is
+ *      validated, as well as the type of each package element. Nested
+ *      packages are supported.
+ *
+ * For any problems found, a warning message is issued.
+ *
+ ******************************************************************************/
+/* Local prototypes */
+static acpi_status
+acpi_ns_check_package(char *pathname,
+		      union acpi_operand_object *return_object,
+		      const union acpi_predefined_info *predefined);
+
+static acpi_status
+acpi_ns_check_package_elements(char *pathname,
+			       union acpi_operand_object **elements,
+			       u8 type1, u32 count1, u8 type2, u32 count2);
+
+static acpi_status
+acpi_ns_check_object_type(char *pathname,
+			  union acpi_operand_object *return_object,
+			  u32 expected_btypes, u32 package_index);
+
+static acpi_status
+acpi_ns_check_reference(char *pathname,
+			union acpi_operand_object *return_object);
+
+/*
+ * Names for the types that can be returned by the predefined objects.
+ * Used for warning messages. Must be in the same order as the ACPI_RTYPEs
+ */
+static const char *acpi_rtype_names[] = {
+	"/Integer",
+	"/String",
+	"/Buffer",
+	"/Package",
+	"/Reference",
+};
+
+#define ACPI_NOT_PACKAGE    ACPI_UINT32_MAX
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_predefined_names
+ *
+ * PARAMETERS:  Node            - Namespace node for the method/object
+ *              return_object   - Object returned from the evaluation of this
+ *                                method/object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check an ACPI name for a match in the predefined name list.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
+			       union acpi_operand_object *return_object)
+{
+	acpi_status status = AE_OK;
+	const union acpi_predefined_info *predefined;
+	char *pathname;
+
+	/* Match the name for this method/object against the predefined list */
+
+	predefined = acpi_ns_check_for_predefined_name(node);
+	if (!predefined) {
+
+		/* Name was not one of the predefined names */
+
+		return (AE_OK);
+	}
+
+	/* Get the full pathname to the object, for use in error messages */
+
+	pathname = acpi_ns_get_external_pathname(node);
+	if (!pathname) {
+		pathname = ACPI_CAST_PTR(char, predefined->info.name);
+	}
+
+	/*
+	 * Check that the parameter count for this method is in accordance
+	 * with the ACPI specification.
+	 */
+	acpi_ns_check_parameter_count(pathname, node, predefined);
+
+	/*
+	 * If there is no return value, check if we require a return value for
+	 * this predefined name. Either one return value is expected, or none,
+	 * for both methods and other objects.
+	 *
+	 * Exit now if there is no return object. Warning if one was expected.
+	 */
+	if (!return_object) {
+		if ((predefined->info.expected_btypes) &&
+		    (!(predefined->info.expected_btypes & ACPI_RTYPE_NONE))) {
+			ACPI_ERROR((AE_INFO,
+				    "%s: Missing expected return value",
+				    pathname));
+
+			status = AE_AML_NO_RETURN_VALUE;
+		}
+		goto exit;
+	}
+
+	/*
+	 * We have a return value, but if one wasn't expected, just exit, this is
+	 * not a problem
+	 *
+	 * For example, if "Implicit return value" is enabled, methods will
+	 * always return a value
+	 */
+	if (!predefined->info.expected_btypes) {
+		goto exit;
+	}
+
+	/*
+	 * Check that the type of the return object is what is expected for
+	 * this predefined name
+	 */
+	status = acpi_ns_check_object_type(pathname, return_object,
+					   predefined->info.expected_btypes,
+					   ACPI_NOT_PACKAGE);
+	if (ACPI_FAILURE(status)) {
+		goto exit;
+	}
+
+	/* For returned Package objects, check the type of all sub-objects */
+
+	if (ACPI_GET_OBJECT_TYPE(return_object) == ACPI_TYPE_PACKAGE) {
+		status =
+		    acpi_ns_check_package(pathname, return_object, predefined);
+	}
+
+      exit:
+	if (pathname) {
+		ACPI_FREE(pathname);
+	}
+
+	return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_parameter_count
+ *
+ * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
+ *              Node            - Namespace node for the method/object
+ *              Predefined      - Pointer to entry in predefined name table
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Check that the declared (in ASL/AML) parameter count for a
+ *              predefined name is what is expected (i.e., what is defined in
+ *              the ACPI specification for this predefined name.)
+ *
+ ******************************************************************************/
+
+void
+acpi_ns_check_parameter_count(char *pathname,
+			      struct acpi_namespace_node *node,
+			      const union acpi_predefined_info *predefined)
+{
+	u32 param_count;
+	u32 required_params_current;
+	u32 required_params_old;
+
+	/*
+	 * Check that the ASL-defined parameter count is what is expected for
+	 * this predefined name.
+	 *
+	 * Methods have 0-7 parameters. All other types have zero.
+	 */
+	param_count = 0;
+	if (node->type == ACPI_TYPE_METHOD) {
+		param_count = node->object->method.param_count;
+	}
+
+	/* Validate parameter count - allow two different legal counts (_SCP) */
+
+	required_params_current = predefined->info.param_count & 0x0F;
+	required_params_old = predefined->info.param_count >> 4;
+
+	if ((param_count != required_params_current) &&
+	    (param_count != required_params_old)) {
+		ACPI_WARNING((AE_INFO,
+			      "%s: Parameter count mismatch - ASL declared %d, expected %d",
+			      pathname, param_count, required_params_current));
+	}
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_for_predefined_name
+ *
+ * PARAMETERS:  Node            - Namespace node for the method/object
+ *
+ * RETURN:      Pointer to entry in predefined table. NULL indicates not found.
+ *
+ * DESCRIPTION: Check an object name against the predefined object list.
+ *
+ ******************************************************************************/
+
+const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
+								    acpi_namespace_node
+								    *node)
+{
+	const union acpi_predefined_info *this_name;
+
+	/* Quick check for a predefined name, first character must be underscore */
+
+	if (node->name.ascii[0] != '_') {
+		return (NULL);
+	}
+
+	/* Search info table for a predefined method/object name */
+
+	this_name = predefined_names;
+	while (this_name->info.name[0]) {
+		if (ACPI_COMPARE_NAME(node->name.ascii, this_name->info.name)) {
+
+			/* Return pointer to this table entry */
+
+			return (this_name);
+		}
+
+		/*
+		 * Skip next entry in the table if this name returns a Package
+		 * (next entry contains the package info)
+		 */
+		if (this_name->info.expected_btypes & ACPI_RTYPE_PACKAGE) {
+			this_name++;
+		}
+
+		this_name++;
+	}
+
+	return (NULL);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_package
+ *
+ * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
+ *              return_object   - Object returned from the evaluation of a
+ *                                method or object
+ *              Predefined      - Pointer to entry in predefined name table
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check a returned package object for the correct count and
+ *              correct type of all sub-objects.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_check_package(char *pathname,
+		      union acpi_operand_object *return_object,
+		      const union acpi_predefined_info *predefined)
+{
+	const union acpi_predefined_info *package;
+	union acpi_operand_object *sub_package;
+	union acpi_operand_object **elements;
+	union acpi_operand_object **sub_elements;
+	acpi_status status;
+	u32 expected_count;
+	u32 count;
+	u32 i;
+	u32 j;
+
+	ACPI_FUNCTION_NAME(ns_check_package);
+
+	/* The package info for this name is in the next table entry */
+
+	package = predefined + 1;
+
+	ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+			  "%s Validating return Package of Type %X, Count %X\n",
+			  pathname, package->ret_info.type,
+			  return_object->package.count));
+
+	/* Extract package count and elements array */
+
+	elements = return_object->package.elements;
+	count = return_object->package.count;
+
+	/* The package must have at least one element, else invalid */
+
+	if (!count) {
+		ACPI_WARNING((AE_INFO,
+			      "%s: Return Package has no elements (empty)",
+			      pathname));
+
+		return (AE_AML_OPERAND_VALUE);
+	}
+
+	/*
+	 * Decode the type of the expected package contents
+	 *
+	 * PTYPE1 packages contain no subpackages
+	 * PTYPE2 packages contain sub-packages
+	 */
+	switch (package->ret_info.type) {
+	case ACPI_PTYPE1_FIXED:
+
+		/*
+		 * The package count is fixed and there are no sub-packages
+		 *
+		 * If package is too small, exit.
+		 * If package is larger than expected, issue warning but continue
+		 */
+		expected_count =
+		    package->ret_info.count1 + package->ret_info.count2;
+		if (count < expected_count) {
+			goto package_too_small;
+		} else if (count > expected_count) {
+			ACPI_WARNING((AE_INFO,
+				      "%s: Return Package is larger than needed - "
+				      "found %u, expected %u", pathname, count,
+				      expected_count));
+		}
+
+		/* Validate all elements of the returned package */
+
+		status = acpi_ns_check_package_elements(pathname, elements,
+							package->ret_info.
+							object_type1,
+							package->ret_info.
+							count1,
+							package->ret_info.
+							object_type2,
+							package->ret_info.
+							count2);
+		if (ACPI_FAILURE(status)) {
+			return (status);
+		}
+		break;
+
+	case ACPI_PTYPE1_VAR:
+
+		/*
+		 * The package count is variable, there are no sub-packages, and all
+		 * elements must be of the same type
+		 */
+		for (i = 0; i < count; i++) {
+			status = acpi_ns_check_object_type(pathname, *elements,
+							   package->ret_info.
+							   object_type1, i);
+			if (ACPI_FAILURE(status)) {
+				return (status);
+			}
+			elements++;
+		}
+		break;
+
+	case ACPI_PTYPE1_OPTION:
+
+		/*
+		 * The package count is variable, there are no sub-packages. There are
+		 * a fixed number of required elements, and a variable number of
+		 * optional elements.
+		 *
+		 * Check if package is at least as large as the minimum required
+		 */
+		expected_count = package->ret_info3.count;
+		if (count < expected_count) {
+			goto package_too_small;
+		}
+
+		/* Variable number of sub-objects */
+
+		for (i = 0; i < count; i++) {
+			if (i < package->ret_info3.count) {
+
+				/* These are the required package elements (0, 1, or 2) */
+
+				status =
+				    acpi_ns_check_object_type(pathname,
+							      *elements,
+							      package->
+							      ret_info3.
+							      object_type[i],
+							      i);
+				if (ACPI_FAILURE(status)) {
+					return (status);
+				}
+			} else {
+				/* These are the optional package elements */
+
+				status =
+				    acpi_ns_check_object_type(pathname,
+							      *elements,
+							      package->
+							      ret_info3.
+							      tail_object_type,
+							      i);
+				if (ACPI_FAILURE(status)) {
+					return (status);
+				}
+			}
+			elements++;
+		}
+		break;
+
+	case ACPI_PTYPE2_PKG_COUNT:
+
+		/* First element is the (Integer) count of sub-packages to follow */
+
+		status = acpi_ns_check_object_type(pathname, *elements,
+						   ACPI_RTYPE_INTEGER, 0);
+		if (ACPI_FAILURE(status)) {
+			return (status);
+		}
+
+		/*
+		 * Count cannot be larger than the parent package length, but allow it
+		 * to be smaller. The >= accounts for the Integer above.
+		 */
+		expected_count = (u32) (*elements)->integer.value;
+		if (expected_count >= count) {
+			goto package_too_small;
+		}
+
+		count = expected_count;
+		elements++;
+
+		/* Now we can walk the sub-packages */
+
+		/*lint -fallthrough */
+
+	case ACPI_PTYPE2:
+	case ACPI_PTYPE2_FIXED:
+	case ACPI_PTYPE2_MIN:
+	case ACPI_PTYPE2_COUNT:
+
+		/*
+		 * These types all return a single package that consists of a variable
+		 * number of sub-packages
+		 */
+		for (i = 0; i < count; i++) {
+			sub_package = *elements;
+			sub_elements = sub_package->package.elements;
+
+			/* Each sub-object must be of type Package */
+
+			status =
+			    acpi_ns_check_object_type(pathname, sub_package,
+						      ACPI_RTYPE_PACKAGE, i);
+			if (ACPI_FAILURE(status)) {
+				return (status);
+			}
+
+			/* Examine the different types of sub-packages */
+
+			switch (package->ret_info.type) {
+			case ACPI_PTYPE2:
+			case ACPI_PTYPE2_PKG_COUNT:
+
+				/* Each subpackage has a fixed number of elements */
+
+				expected_count =
+				    package->ret_info.count1 +
+				    package->ret_info.count2;
+				if (sub_package->package.count !=
+				    expected_count) {
+					count = sub_package->package.count;
+					goto package_too_small;
+				}
+
+				status =
+				    acpi_ns_check_package_elements(pathname,
+								   sub_elements,
+								   package->
+								   ret_info.
+								   object_type1,
+								   package->
+								   ret_info.
+								   count1,
+								   package->
+								   ret_info.
+								   object_type2,
+								   package->
+								   ret_info.
+								   count2);
+				if (ACPI_FAILURE(status)) {
+					return (status);
+				}
+				break;
+
+			case ACPI_PTYPE2_FIXED:
+
+				/* Each sub-package has a fixed length */
+
+				expected_count = package->ret_info2.count;
+				if (sub_package->package.count < expected_count) {
+					count = sub_package->package.count;
+					goto package_too_small;
+				}
+
+				/* Check the type of each sub-package element */
+
+				for (j = 0; j < expected_count; j++) {
+					status =
+					    acpi_ns_check_object_type(pathname,
+								      sub_elements
+								      [j],
+								      package->
+								      ret_info2.
+								      object_type
+								      [j], j);
+					if (ACPI_FAILURE(status)) {
+						return (status);
+					}
+				}
+				break;
+
+			case ACPI_PTYPE2_MIN:
+
+				/* Each sub-package has a variable but minimum length */
+
+				expected_count = package->ret_info.count1;
+				if (sub_package->package.count < expected_count) {
+					count = sub_package->package.count;
+					goto package_too_small;
+				}
+
+				/* Check the type of each sub-package element */
+
+				status =
+				    acpi_ns_check_package_elements(pathname,
+								   sub_elements,
+								   package->
+								   ret_info.
+								   object_type1,
+								   sub_package->
+								   package.
+								   count, 0, 0);
+				if (ACPI_FAILURE(status)) {
+					return (status);
+				}
+				break;
+
+			case ACPI_PTYPE2_COUNT:
+
+				/* First element is the (Integer) count of elements to follow */
+
+				status =
+				    acpi_ns_check_object_type(pathname,
+							      *sub_elements,
+							      ACPI_RTYPE_INTEGER,
+							      0);
+				if (ACPI_FAILURE(status)) {
+					return (status);
+				}
+
+				/* Make sure package is large enough for the Count */
+
+				expected_count =
+				    (u32) (*sub_elements)->integer.value;
+				if (sub_package->package.count < expected_count) {
+					count = sub_package->package.count;
+					goto package_too_small;
+				}
+
+				/* Check the type of each sub-package element */
+
+				status =
+				    acpi_ns_check_package_elements(pathname,
+								   (sub_elements
+								    + 1),
+								   package->
+								   ret_info.
+								   object_type1,
+								   (expected_count
+								    - 1), 0, 0);
+				if (ACPI_FAILURE(status)) {
+					return (status);
+				}
+				break;
+
+			default:
+				break;
+			}
+
+			elements++;
+		}
+		break;
+
+	default:
+
+		/* Should not get here if predefined info table is correct */
+
+		ACPI_WARNING((AE_INFO,
+			      "%s: Invalid internal return type in table entry: %X",
+			      pathname, package->ret_info.type));
+
+		return (AE_AML_INTERNAL);
+	}
+
+	return (AE_OK);
+
+      package_too_small:
+
+	/* Error exit for the case with an incorrect package count */
+
+	ACPI_WARNING((AE_INFO, "%s: Return Package is too small - "
+		      "found %u, expected %u", pathname, count,
+		      expected_count));
+
+	return (AE_AML_OPERAND_VALUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_package_elements
+ *
+ * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
+ *              Elements        - Pointer to the package elements array
+ *              Type1           - Object type for first group
+ *              Count1          - Count for first group
+ *              Type2           - Object type for second group
+ *              Count2          - Count for second group
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check that all elements of a package are of the correct object
+ *              type. Supports up to two groups of different object types.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_check_package_elements(char *pathname,
+			       union acpi_operand_object **elements,
+			       u8 type1, u32 count1, u8 type2, u32 count2)
+{
+	union acpi_operand_object **this_element = elements;
+	acpi_status status;
+	u32 i;
+
+	/*
+	 * Up to two groups of package elements are supported by the data
+	 * structure. All elements in each group must be of the same type.
+	 * The second group can have a count of zero.
+	 */
+	for (i = 0; i < count1; i++) {
+		status = acpi_ns_check_object_type(pathname, *this_element,
+						   type1, i);
+		if (ACPI_FAILURE(status)) {
+			return (status);
+		}
+		this_element++;
+	}
+
+	for (i = 0; i < count2; i++) {
+		status = acpi_ns_check_object_type(pathname, *this_element,
+						   type2, (i + count1));
+		if (ACPI_FAILURE(status)) {
+			return (status);
+		}
+		this_element++;
+	}
+
+	return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_object_type
+ *
+ * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
+ *              return_object   - Object return from the execution of this
+ *                                method/object
+ *              expected_btypes - Bitmap of expected return type(s)
+ *              package_index   - Index of object within parent package (if
+ *                                applicable - ACPI_NOT_PACKAGE otherwise)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check the type of the return object against the expected object
+ *              type(s). Use of Btype allows multiple expected object types.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_check_object_type(char *pathname,
+			  union acpi_operand_object *return_object,
+			  u32 expected_btypes, u32 package_index)
+{
+	acpi_status status = AE_OK;
+	u32 return_btype;
+	char type_buffer[48];	/* Room for 5 types */
+	u32 this_rtype;
+	u32 i;
+	u32 j;
+
+	/*
+	 * If we get a NULL return_object here, it is a NULL package element,
+	 * and this is always an error.
+	 */
+	if (!return_object) {
+		goto type_error_exit;
+	}
+
+	/* A Namespace node should not get here, but make sure */
+
+	if (ACPI_GET_DESCRIPTOR_TYPE(return_object) == ACPI_DESC_TYPE_NAMED) {
+		ACPI_WARNING((AE_INFO,
+			      "%s: Invalid return type - Found a Namespace node [%4.4s] type %s",
+			      pathname, return_object->node.name.ascii,
+			      acpi_ut_get_type_name(return_object->node.type)));
+		return (AE_AML_OPERAND_TYPE);
+	}
+
+	/*
+	 * Convert the object type (ACPI_TYPE_xxx) to a bitmapped object type.
+	 * The bitmapped type allows multiple possible return types.
+	 *
+	 * Note, the cases below must handle all of the possible types returned
+	 * from all of the predefined names (including elements of returned
+	 * packages)
+	 */
+	switch (ACPI_GET_OBJECT_TYPE(return_object)) {
+	case ACPI_TYPE_INTEGER:
+		return_btype = ACPI_RTYPE_INTEGER;
+		break;
+
+	case ACPI_TYPE_BUFFER:
+		return_btype = ACPI_RTYPE_BUFFER;
+		break;
+
+	case ACPI_TYPE_STRING:
+		return_btype = ACPI_RTYPE_STRING;
+		break;
+
+	case ACPI_TYPE_PACKAGE:
+		return_btype = ACPI_RTYPE_PACKAGE;
+		break;
+
+	case ACPI_TYPE_LOCAL_REFERENCE:
+		return_btype = ACPI_RTYPE_REFERENCE;
+		break;
+
+	default:
+		/* Not one of the supported objects, must be incorrect */
+
+		goto type_error_exit;
+	}
+
+	/* Is the object one of the expected types? */
+
+	if (!(return_btype & expected_btypes)) {
+		goto type_error_exit;
+	}
+
+	/* For reference objects, check that the reference type is correct */
+
+	if (ACPI_GET_OBJECT_TYPE(return_object) == ACPI_TYPE_LOCAL_REFERENCE) {
+		status = acpi_ns_check_reference(pathname, return_object);
+	}
+
+	return (status);
+
+      type_error_exit:
+
+	/* Create a string with all expected types for this predefined object */
+
+	j = 1;
+	type_buffer[0] = 0;
+	this_rtype = ACPI_RTYPE_INTEGER;
+
+	for (i = 0; i < ACPI_NUM_RTYPES; i++) {
+
+		/* If one of the expected types, concatenate the name of this type */
+
+		if (expected_btypes & this_rtype) {
+			ACPI_STRCAT(type_buffer, &acpi_rtype_names[i][j]);
+			j = 0;	/* Use name separator from now on */
+		}
+		this_rtype <<= 1;	/* Next Rtype */
+	}
+
+	if (package_index == ACPI_NOT_PACKAGE) {
+		ACPI_WARNING((AE_INFO,
+			      "%s: Return type mismatch - found %s, expected %s",
+			      pathname,
+			      acpi_ut_get_object_type_name(return_object),
+			      type_buffer));
+	} else {
+		ACPI_WARNING((AE_INFO,
+			      "%s: Return Package type mismatch at index %u - "
+			      "found %s, expected %s", pathname, package_index,
+			      acpi_ut_get_object_type_name(return_object),
+			      type_buffer));
+	}
+
+	return (AE_AML_OPERAND_TYPE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ns_check_reference
+ *
+ * PARAMETERS:  Pathname        - Full pathname to the node (for error msgs)
+ *              return_object   - Object returned from the evaluation of a
+ *                                method or object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Check a returned reference object for the correct reference
+ *              type. The only reference type that can be returned from a
+ *              predefined method is a named reference. All others are invalid.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_check_reference(char *pathname,
+			union acpi_operand_object *return_object)
+{
+
+	/*
+	 * Check the reference object for the correct reference type (opcode).
+	 * The only type of reference that can be converted to an union acpi_object is
+	 * a reference to a named object (reference class: NAME)
+	 */
+	if (return_object->reference.class == ACPI_REFCLASS_NAME) {
+		return (AE_OK);
+	}
+
+	ACPI_WARNING((AE_INFO,
+		      "%s: Return type mismatch - unexpected reference object type [%s] %2.2X",
+		      pathname, acpi_ut_get_reference_name(return_object),
+		      return_object->reference.class));
+
+	return (AE_AML_OPERAND_TYPE);
+}
diff --git a/include/acpi/acdebug.h b/include/acpi/acdebug.h
index a4fb001d96f..62c59df3b86 100644
--- a/include/acpi/acdebug.h
+++ b/include/acpi/acdebug.h
@@ -154,6 +154,10 @@ void
 acpi_db_display_argument_object(union acpi_operand_object *obj_desc,
 				struct acpi_walk_state *walk_state);
 
+void acpi_db_check_predefined_names(void);
+
+void acpi_db_batch_execute(void);
+
 /*
  * dbexec - debugger control method execution
  */
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index b221c8583dd..ecab527cf78 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -208,6 +208,7 @@ struct acpi_namespace_node {
 #define ANOBJ_METHOD_ARG                0x04	/* Node is a method argument */
 #define ANOBJ_METHOD_LOCAL              0x08	/* Node is a method local */
 #define ANOBJ_SUBTREE_HAS_INI           0x10	/* Used to optimize device initialization */
+#define ANOBJ_EVALUATED                 0x20	/* Set on first evaluation of node */
 
 #define ANOBJ_IS_EXTERNAL               0x08	/* i_aSL only: This object created via External() */
 #define ANOBJ_METHOD_NO_RETVAL          0x10	/* i_aSL only: Method has no return value */
@@ -340,6 +341,82 @@ acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state);
 #define ACPI_BTYPE_OBJECTS_AND_REFS     0x0001FFFF	/* ARG or LOCAL */
 #define ACPI_BTYPE_ALL_OBJECTS          0x0000FFFF
 
+/*
+ * Information structure for ACPI predefined names.
+ * Each entry in the table contains the following items:
+ *
+ * Name                 - The ACPI reserved name
+ * param_count          - Number of arguments to the method
+ * expected_return_btypes - Allowed type(s) for the return value
+ */
+struct acpi_name_info {
+	char name[ACPI_NAME_SIZE];
+	u8 param_count;
+	u8 expected_btypes;
+};
+
+/*
+ * Secondary information structures for ACPI predefined objects that return
+ * package objects. This structure appears as the next entry in the table
+ * after the NAME_INFO structure above.
+ *
+ * The reason for this is to minimize the size of the predefined name table.
+ */
+
+/*
+ * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2,
+ * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT
+ */
+struct acpi_package_info {
+	u8 type;
+	u8 object_type1;
+	u8 count1;
+	u8 object_type2;
+	u8 count2;
+	u8 reserved;
+};
+
+/* Used for ACPI_PTYPE2_FIXED */
+
+struct acpi_package_info2 {
+	u8 type;
+	u8 count;
+	u8 object_type[4];
+};
+
+/* Used for ACPI_PTYPE1_OPTION */
+
+struct acpi_package_info3 {
+	u8 type;
+	u8 count;
+	u8 object_type[2];
+	u8 tail_object_type;
+	u8 reserved;
+};
+
+union acpi_predefined_info {
+	struct acpi_name_info info;
+	struct acpi_package_info ret_info;
+	struct acpi_package_info2 ret_info2;
+	struct acpi_package_info3 ret_info3;
+};
+
+/*
+ * Bitmapped return value types
+ * Note: the actual data types must be contiguous, a loop in nspredef.c
+ * depends on this.
+ */
+#define ACPI_RTYPE_ANY                  0x00
+#define ACPI_RTYPE_NONE                 0x01
+#define ACPI_RTYPE_INTEGER              0x02
+#define ACPI_RTYPE_STRING               0x04
+#define ACPI_RTYPE_BUFFER               0x08
+#define ACPI_RTYPE_PACKAGE              0x10
+#define ACPI_RTYPE_REFERENCE            0x20
+#define ACPI_RTYPE_ALL                  0x3F
+
+#define ACPI_NUM_RTYPES                 5	/* Number of actual object types */
+
 /*****************************************************************************
  *
  * Event typedefs and structs
diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h
index c34008507b6..db4e6f67785 100644
--- a/include/acpi/acnamesp.h
+++ b/include/acpi/acnamesp.h
@@ -177,6 +177,22 @@ acpi_ns_dump_objects(acpi_object_type type,
  */
 acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info);
 
+/*
+ * nspredef - Support for predefined/reserved names
+ */
+acpi_status
+acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
+			       union acpi_operand_object *return_object);
+
+const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
+								    acpi_namespace_node
+								    *node);
+
+void
+acpi_ns_check_parameter_count(char *pathname,
+			      struct acpi_namespace_node *node,
+			      const union acpi_predefined_info *info);
+
 /*
  * nsnames - Name and Scope manipulation
  */
diff --git a/include/acpi/acpredef.h b/include/acpi/acpredef.h
new file mode 100644
index 00000000000..619fb75f886
--- /dev/null
+++ b/include/acpi/acpredef.h
@@ -0,0 +1,371 @@
+/******************************************************************************
+ *
+ * Name: acpredef - Information table for ACPI predefined methods and objects
+ *              $Revision: 1.1 $
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2008, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifndef __ACPREDEF_H__
+#define __ACPREDEF_H__
+
+/******************************************************************************
+ *
+ * Return Package types
+ *
+ * 1) PTYPE1 packages do not contain sub-packages.
+ *
+ * ACPI_PTYPE1_FIXED: Fixed length, 1 or 2 object types:
+ *     object type
+ *     count
+ *     object type
+ *     count
+ *
+ * ACPI_PTYPE1_VAR: Variable length:
+ *    object type (Int/Buf/Ref)
+ *
+ * ACPI_PTYPE1_OPTION: Package has some required and some optional elements:
+ *      Used for _PRW
+ *
+ *
+ * 2) PTYPE2 packages contain a variable number of sub-packages. Each of the
+ *    different types describe the contents of each of the sub-packages.
+ *
+ * ACPI_PTYPE2: Each subpackage contains 1 or 2 object types:
+ *     object type
+ *     count
+ *     object type
+ *     count
+ *
+ * ACPI_PTYPE2_COUNT: Each subpackage has a count as first element:
+ *     object type
+ *
+ * ACPI_PTYPE2_PKG_COUNT: Count of subpackages at start, 1 or 2 object types:
+ *     object type
+ *     count
+ *     object type
+ *     count
+ *
+ * ACPI_PTYPE2_FIXED: Each subpackage is of fixed length:
+ *      Used for _PRT
+ *
+ * ACPI_PTYPE2_MIN: Each subpackage has a variable but minimum length
+ *      Used for _HPX
+ *
+ *****************************************************************************/
+
+enum acpi_return_package_types {
+	ACPI_PTYPE1_FIXED = 1,
+	ACPI_PTYPE1_VAR = 2,
+	ACPI_PTYPE1_OPTION = 3,
+	ACPI_PTYPE2 = 4,
+	ACPI_PTYPE2_COUNT = 5,
+	ACPI_PTYPE2_PKG_COUNT = 6,
+	ACPI_PTYPE2_FIXED = 7,
+	ACPI_PTYPE2_MIN = 8
+};
+
+/*
+ * Predefined method/object information table.
+ *
+ * These are the names that can actually be evaluated via acpi_evaluate_object.
+ * Not present in this table are the following:
+ *
+ *      1) Predefined/Reserved names that are never evaluated via acpi_evaluate_object:
+ *          _Lxx and _Exx GPE methods
+ *          _Qxx EC methods
+ *          _T_x compiler temporary variables
+ *
+ *      2) Predefined names that never actually exist within the AML code:
+ *          Predefined resource descriptor field names
+ *
+ *      3) Predefined names that are implemented within ACPICA:
+ *          _OSI
+ *
+ *      4) Some predefined names that are not documented within the ACPI spec.
+ *          _WDG, _WED
+ *
+ * The main entries in the table each contain the following items:
+ *
+ * Name                 - The ACPI reserved name
+ * param_count          - Number of arguments to the method
+ * expected_btypes      - Allowed type(s) for the return value.
+ *                        0 means that no return value is expected.
+ *
+ * For methods that return packages, the next entry in the table contains
+ * information about the expected structure of the package. This information
+ * is saved here (rather than in a separate table) in order to minimize the
+ * overall size of the stored data.
+ */
+static const union acpi_predefined_info predefined_names[] = {
+	{.info = {"_AC0", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC1", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC2", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC3", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC4", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC5", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC6", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC7", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC8", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AC9", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_ADR", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_AL0", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL1", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL2", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL3", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL4", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL5", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL6", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL7", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL8", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_AL9", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_ALC", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_ALI", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_ALP", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_ALR", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 2, 0, 0, 0}},	/* variable (Pkgs) each 2 (Ints) */
+	{.info = {"_ALT", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_BBN", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_BCL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}},	/* variable (Ints) */
+	{.info = {"_BCM", 1, 0}},
+	{.info = {"_BDN", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_BFS", 1, 0}},
+	{.info = {"_BIF", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER,
+					  9,
+					  ACPI_RTYPE_STRING, 4, 0}},	/* fixed (9 Int),(4 Str) */
+	{.info = {"_BLT", 3, 0}},
+	{.info = {"_BMC", 1, 0}},
+	{.info = {"_BMD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}},	/* fixed (5 Int) */
+	{.info = {"_BQC", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_BST", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}},	/* fixed (4 Int) */
+	{.info = {"_BTM", 1, ACPI_RTYPE_INTEGER}},
+	{.info = {"_BTP", 1, 0}},
+	{.info = {"_CBA", 0, ACPI_RTYPE_INTEGER}},	/* see PCI firmware spec 3.0 */
+	{.info = {"_CID", 0,
+	 ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}},
+	{.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0, 0, 0, 0}},	/* variable (Ints/Strs) */
+	{.info = {"_CRS", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_CRT", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_CSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}},	/* variable (1 Int(n), n-1 Int) */
+	{.info = {"_CST", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_PKG_COUNT,
+					  ACPI_RTYPE_BUFFER, 1,
+					  ACPI_RTYPE_INTEGER, 3, 0}},	/* variable (1 Int(n), n Pkg (1 Buf/3 Int) */
+	{.info = {"_DCK", 1, ACPI_RTYPE_INTEGER}},
+	{.info = {"_DCS", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}},
+	{.info = {"_DDN", 0, ACPI_RTYPE_STRING}},
+	{.info = {"_DGS", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_DIS", 0, 0}},
+	{.info = {"_DMA", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_DOD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}},	/* variable (Ints) */
+	{.info = {"_DOS", 1, 0}},
+	{.info = {"_DSM", 4, ACPI_RTYPE_ALL}},	/* Must return a type, but it can be of any type */
+	{.info = {"_DSS", 1, 0}},
+	{.info = {"_DSW", 3, 0}},
+	{.info = {"_EC_", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_EDL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_EJ0", 1, 0}},
+	{.info = {"_EJ1", 1, 0}},
+	{.info = {"_EJ2", 1, 0}},
+	{.info = {"_EJ3", 1, 0}},
+	{.info = {"_EJ4", 1, 0}},
+	{.info = {"_EJD", 0, ACPI_RTYPE_STRING}},
+	{.info = {"_FDE", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_FDI", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, 0, 0, 0}},	/* fixed (16 Int) */
+	{.info = {"_FDM", 1, 0}},
+	{.info = {"_FIX", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}},	/* variable (Ints) */
+	{.info = {"_GLK", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_GPD", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_GPE", 0, ACPI_RTYPE_INTEGER}},	/* _GPE method, not _GPE scope */
+	{.info = {"_GSB", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_GTF", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_GTM", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_GTS", 1, 0}},
+	{.info = {"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
+	{.info = {"_HOT", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_HPP", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}},	/* fixed (4 Int) */
+
+	/*
+	 * For _HPX, a single package is returned, containing a variable number of sub-packages.
+	 * Each sub-package contains a PCI record setting. There are several different type of
+	 * record settings, of different lengths, but all elements of all settings are Integers.
+	 */
+	{.info = {"_HPX", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}},	/* variable (Pkgs) each (var Ints) */
+	{.info = {"_IFT", 0, ACPI_RTYPE_INTEGER}},	/* see IPMI spec */
+	{.info = {"_INI", 0, 0}},
+	{.info = {"_IRC", 0, 0}},
+	{.info = {"_LCK", 1, 0}},
+	{.info = {"_LID", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_MAT", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_MLS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_STRING, 2, 0, 0, 0}},	/* variable (Pkgs) each (2 Str) */
+	{.info = {"_MSG", 1, 0}},
+	{.info = {"_OFF", 0, 0}},
+	{.info = {"_ON_", 0, 0}},
+	{.info = {"_OS_", 0, ACPI_RTYPE_STRING}},
+	{.info = {"_OSC", 4, ACPI_RTYPE_BUFFER}},
+	{.info = {"_OST", 3, 0}},
+	{.info = {"_PCL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_PCT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0}},	/* fixed (2 Buf) */
+	{.info = {"_PDC", 1, 0}},
+	{.info = {"_PIC", 1, 0}},
+	{.info = {"_PLD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_BUFFER, 0, 0, 0, 0}},	/* variable (Bufs) */
+	{.info = {"_PPC", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_PPE", 0, ACPI_RTYPE_INTEGER}},	/* see dig64 spec */
+	{.info = {"_PR0", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_PR1", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_PR2", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_PRS", 0, ACPI_RTYPE_BUFFER}},
+
+	/*
+	 * For _PRT, many BIOSs reverse the 2nd and 3rd Package elements. This bug is so prevalent that there
+	 * is code in the ACPICA Resource Manager to detect this and switch them back. For now, do not allow
+	 * and issue a warning. To allow this and eliminate the warning, add the ACPI_RTYPE_REFERENCE
+	 * type to the 2nd element (index 1) in the statement below.
+	 */
+	{.info = {"_PRT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_FIXED, 4,
+					  ACPI_RTYPE_INTEGER,
+					  ACPI_RTYPE_INTEGER,
+					  ACPI_RTYPE_INTEGER | ACPI_RTYPE_REFERENCE, ACPI_RTYPE_INTEGER}},	/* variable (Pkgs) each (4): Int,Int,Int/Ref,Int */
+
+	{.info = {"_PRW", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_OPTION, 2,
+					  ACPI_RTYPE_INTEGER |
+					  ACPI_RTYPE_PACKAGE,
+					  ACPI_RTYPE_INTEGER, ACPI_RTYPE_REFERENCE, 0}},	/* variable (Pkgs) each: Pkg/Int,Int,[variable Refs] (Pkg is Ref/Int) */
+
+	{.info = {"_PS0", 0, 0}},
+	{.info = {"_PS1", 0, 0}},
+	{.info = {"_PS2", 0, 0}},
+	{.info = {"_PS3", 0, 0}},
+	{.info = {"_PSC", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_PSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0, 0, 0, 0}},	/* variable (Pkgs) each (5 Int) with count */
+	{.info = {"_PSL", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_PSR", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_PSS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 6, 0, 0, 0}},	/* variable (Pkgs) each (6 Int) */
+	{.info = {"_PSV", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_PSW", 1, 0}},
+	{.info = {"_PTC", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_BUFFER, 2, 0, 0, 0}},	/* fixed (2 Buf) */
+	{.info = {"_PTS", 1, 0}},
+	{.info = {"_PXM", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_REG", 2, 0}},
+	{.info = {"_REV", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_RMV", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_ROM", 2, ACPI_RTYPE_BUFFER}},
+	{.info = {"_RTV", 0, ACPI_RTYPE_INTEGER}},
+
+	/*
+	 * For _S0_ through _S5_, the ACPI spec defines a return Package containing 1 Integer,
+	 * but most DSDTs have it wrong - 2,3, or 4 integers. Allow this by making the objects "variable length",
+	 * but all elements must be Integers.
+	 */
+	{.info = {"_S0_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}},	/* fixed (1 Int) */
+	{.info = {"_S1_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}},	/* fixed (1 Int) */
+	{.info = {"_S2_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}},	/* fixed (1 Int) */
+	{.info = {"_S3_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}},	/* fixed (1 Int) */
+	{.info = {"_S4_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}},	/* fixed (1 Int) */
+	{.info = {"_S5_", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 1, 0, 0, 0}},	/* fixed (1 Int) */
+
+	{.info = {"_S1D", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S2D", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S3D", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S4D", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S0W", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S1W", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S2W", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S3W", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_S4W", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_SBS", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_SCP", 0x13, 0}},	/* Acpi 1.0 allowed 1 arg. Acpi 3.0 expanded to 3 args. Allow both. */
+	/* Note: the 3-arg definition may be removed for ACPI 4.0 */
+	{.info = {"_SDD", 1, 0}},
+	{.info = {"_SEG", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_SLI", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_SPD", 1, ACPI_RTYPE_INTEGER}},
+	{.info = {"_SRS", 1, 0}},
+	{.info = {"_SRV", 0, ACPI_RTYPE_INTEGER}},	/* see IPMI spec */
+	{.info = {"_SST", 1, 0}},
+	{.info = {"_STA", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_STM", 3, 0}},
+	{.info = {"_STR", 0, ACPI_RTYPE_BUFFER}},
+	{.info = {"_SUN", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_SWS", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_TC1", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_TC2", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_TMP", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_TPC", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_TPT", 1, 0}},
+	{.info = {"_TRT", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2,
+					  ACPI_RTYPE_INTEGER, 6, 0}},	/* variable (Pkgs) each 2_ref/6_int */
+	{.info = {"_TSD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}},	/* variable (Pkgs) each 5_int with count */
+	{.info = {"_TSP", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_TSS", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5, 0, 0, 0}},	/* variable (Pkgs) each 5_int */
+	{.info = {"_TST", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_TTS", 1, 0}},
+	{.info = {"_TZD", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0, 0, 0}},	/* variable (Refs) */
+	{.info = {"_TZM", 0, ACPI_RTYPE_REFERENCE}},
+	{.info = {"_TZP", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_UID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}},
+	{.info = {"_UPC", 0, ACPI_RTYPE_PACKAGE}}, {.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 4, 0, 0, 0}},	/* fixed (4 Int) */
+	{.info = {"_UPD", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_UPP", 0, ACPI_RTYPE_INTEGER}},
+	{.info = {"_VPO", 0, ACPI_RTYPE_INTEGER}},
+
+	/* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */
+
+	{.info = {"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_PACKAGE}},
+	{.ret_info = {ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2, 0, 0, 0}},	/* fixed (2 Int), but is optional */
+	{.ret_info = {0, 0, 0, 0, 0, 0}}	/* Table terminator */
+};
+
+#if 0
+	/* Not implemented */
+
+{
+"_WDG", 0, ACPI_RTYPE_BUFFER},	/* MS Extension */
+
+{
+"_WED", 1, ACPI_RTYPE_PACKAGE},	/* MS Extension */
+
+    /* This is an internally implemented control method, no need to check */
+{
+"_OSI", 1, ACPI_RTYPE_INTEGER},
+
+    /* TBD: */
+    _PRT - currently ignore reversed entries.attempt to fix here ?
+    think about code that attempts to fix package elements like _BIF, etc.
+#endif
+#endif
-- 
GitLab


From 4ca846e9270f305ad19e61f6654664f31459f332 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 13:27:51 +0800
Subject: [PATCH 2013/2224] ACPICA: Add support for zero-length
 buffer-to-string conversions

Allow zero length strings during interpreter buffer-to-string
conversions. For example, during the ToDecimalString and
ToHexString operaters, as well as implicit conversions. Fiodor
Suietov.  ACPICA BZ 585.

http://www.acpica.org/bugzilla/show_bug.cgi?id=585

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/executer/exconvrt.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 890378e789a..1d1f35adddd 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -512,9 +512,14 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
 		/*
 		 * Create a new string object and string buffer
 		 * (-1 because of extra separator included in string_length from above)
+		 * Allow creation of zero-length strings from zero-length buffers.
 		 */
+		if (string_length) {
+			string_length--;
+		}
+
 		return_desc = acpi_ut_create_string_object((acpi_size)
-							   (string_length - 1));
+							   string_length);
 		if (!return_desc) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
@@ -537,7 +542,9 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
 		 * Null terminate the string
 		 * (overwrites final comma/space from above)
 		 */
-		new_buf--;
+		if (obj_desc->buffer.length) {
+			new_buf--;
+		}
 		*new_buf = 0;
 		break;
 
-- 
GitLab


From ed37a71eac8ba375d85ab10ed5f5e8bdf1cd72e0 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Sat, 27 Sep 2008 13:39:20 +0800
Subject: [PATCH 2014/2224] ACPICA: Update version to 20080926

Update version to 20080926.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 include/acpi/acconfig.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 2b737e510b1..29feee27f0e 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20080829
+#define ACPI_CA_VERSION                 0x20080926
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
-- 
GitLab


From 61dc6eaeef87048af351c04fd0046a6e3f96f94f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 23 Oct 2008 12:35:43 +0900
Subject: [PATCH 2015/2224] sh: mach-highlander: Handle SCIF pinmuxing on
 R7785RP.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/boards/mach-highlander/Kconfig        |  1 +
 arch/sh/boards/mach-highlander/Makefile       | 10 +++++-----
 .../boards/mach-highlander/pinmux-r7785rp.c   | 20 +++++++++++++++++++
 arch/sh/boards/mach-highlander/setup.c        |  2 ++
 arch/sh/include/mach-common/mach/highlander.h |  6 ++++++
 5 files changed, 34 insertions(+), 5 deletions(-)
 create mode 100644 arch/sh/boards/mach-highlander/pinmux-r7785rp.c

diff --git a/arch/sh/boards/mach-highlander/Kconfig b/arch/sh/boards/mach-highlander/Kconfig
index fc8f28e04ba..08057f62687 100644
--- a/arch/sh/boards/mach-highlander/Kconfig
+++ b/arch/sh/boards/mach-highlander/Kconfig
@@ -18,6 +18,7 @@ config SH_R7780MP
 config SH_R7785RP
 	bool "R7785RP board support"
 	depends on CPU_SUBTYPE_SH7785
+	select GENERIC_GPIO
 
 endchoice
 
diff --git a/arch/sh/boards/mach-highlander/Makefile b/arch/sh/boards/mach-highlander/Makefile
index 20a10080b11..d93aaf88013 100644
--- a/arch/sh/boards/mach-highlander/Makefile
+++ b/arch/sh/boards/mach-highlander/Makefile
@@ -1,10 +1,10 @@
 #
-# Makefile for the R7780RP-1 specific parts of the kernel
+# Makefile for the Highlander specific parts of the kernel
 #
-irqinit-$(CONFIG_SH_R7780MP)	:= irq-r7780mp.o
-irqinit-$(CONFIG_SH_R7785RP)	:= irq-r7785rp.o
-irqinit-$(CONFIG_SH_R7780RP)	:= irq-r7780rp.o
-obj-y				:= setup.o $(irqinit-y)
+obj-y				:= setup.o
+obj-$(CONFIG_SH_R7780RP)	+= irq-r7780rp.o
+obj-$(CONFIG_SH_R7780MP)	+= irq-r7780mp.o
+obj-$(CONFIG_SH_R7785RP)	+= irq-r7785rp.o pinmux-r7785rp.o
 
 ifneq ($(CONFIG_SH_R7785RP),y)
 obj-$(CONFIG_PUSH_SWITCH)	+= psw.o
diff --git a/arch/sh/boards/mach-highlander/pinmux-r7785rp.c b/arch/sh/boards/mach-highlander/pinmux-r7785rp.c
new file mode 100644
index 00000000000..c77a2bea8f2
--- /dev/null
+++ b/arch/sh/boards/mach-highlander/pinmux-r7785rp.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2008 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <cpu/sh7785.h>
+
+void __init highlander_plat_pinmux_setup(void)
+{
+	/* SCIF0 */
+	gpio_request(GPIO_FN_SCIF0_CTS, NULL);
+	gpio_request(GPIO_FN_SCIF0_RTS, NULL);
+	gpio_request(GPIO_FN_SCIF0_SCK, NULL);
+	gpio_request(GPIO_FN_SCIF0_RXD, NULL);
+	gpio_request(GPIO_FN_SCIF0_TXD, NULL);
+}
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index c5a40f7906d..806438b42ca 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -294,6 +294,8 @@ static void __init highlander_setup(char **cmdline_p)
 			 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 			 (ver >>  4) & 0xf, ver & 0xf);
 
+	highlander_plat_pinmux_setup();
+
 	/*
 	 * Enable the important clocks right away..
 	 */
diff --git a/arch/sh/include/mach-common/mach/highlander.h b/arch/sh/include/mach-common/mach/highlander.h
index 306f7359f7d..bd26a848cb0 100644
--- a/arch/sh/include/mach-common/mach/highlander.h
+++ b/arch/sh/include/mach-common/mach/highlander.h
@@ -195,4 +195,10 @@
 
 unsigned char *highlander_plat_irq_setup(void);
 
+#ifdef CONFIG_SH_R7785RP
+void highlander_plat_pinmux_setup(void);
+#else
+#define highlander_plat_pinmux_setup()	do { } while (0)
+#endif
+
 #endif  /* __ASM_SH_RENESAS_R7780RP */
-- 
GitLab


From e4b41dbd60e30463cc8fab21ed45b7d6227fc338 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Thu, 23 Oct 2008 12:37:20 +0900
Subject: [PATCH 2016/2224] sh: asm/gpio.h needs linux/kernel.h for
 might_sleep()/WARN_ON().

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---
 arch/sh/include/asm/gpio.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sh/include/asm/gpio.h b/arch/sh/include/asm/gpio.h
index 74c31a678a5..90673658eb1 100644
--- a/arch/sh/include/asm/gpio.h
+++ b/arch/sh/include/asm/gpio.h
@@ -12,6 +12,7 @@
 #ifndef __ASM_SH_GPIO_H
 #define __ASM_SH_GPIO_H
 
+#include <linux/kernel.h>
 #include <linux/errno.h>
 
 #if defined(CONFIG_CPU_SH3)
-- 
GitLab


From 3e2dab9a1c2deb03c311eb3f83466009147ed4d3 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Sat, 11 Oct 2008 02:30:14 -0400
Subject: [PATCH 2017/2224] panasonic-laptop: fix build

sync with acpi_driver_data(device)
and acpi_evaluate_integer(..., long long)
changes that happened since this driver
was checked in.

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/panasonic-laptop.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/panasonic-laptop.c b/drivers/misc/panasonic-laptop.c
index 9aecda5a399..a2cb598d8ab 100644
--- a/drivers/misc/panasonic-laptop.c
+++ b/drivers/misc/panasonic-laptop.c
@@ -252,7 +252,7 @@ static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val)
 
 static inline int acpi_pcc_get_sqty(struct acpi_device *device)
 {
-	unsigned long s;
+	unsigned long long s;
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty");
@@ -500,7 +500,7 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
 	struct input_dev *hotk_input_dev = pcc->input_dev;
 	int rc;
 	int key_code, hkey_num;
-	unsigned long result;
+	unsigned long long result;
 
 	ACPI_FUNCTION_TRACE("acpi_pcc_generate_keyinput");
 
@@ -645,7 +645,7 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
 	pcc->device = device;
 	pcc->handle = device->handle;
 	pcc->num_sifr = num_sifr;
-	acpi_driver_data(device) = pcc;
+	device->driver_data = pcc;
 	strcpy(acpi_device_name(device), ACPI_PCC_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
 
-- 
GitLab


From e9d21d7f5ae1e625f3687d88bb50b00478c533ad Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Thu, 16 Oct 2008 11:31:38 -0700
Subject: [PATCH 2018/2224] i915: Protect vblank IRQ reg access with spinlock

This uses the same spinlock as the user_irq code as it shares the same
register, ensuring that interrupt registers are updated atomically.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 69 +++++++++++++++++++--------------
 1 file changed, 40 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index baae511c785..671dd79d0aa 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -481,22 +481,24 @@ static int i915_emit_irq(struct drm_device * dev)
 void i915_user_irq_get(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	unsigned long irqflags;
 
-	spin_lock(&dev_priv->user_irq_lock);
+	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
 	if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1))
 		i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
-	spin_unlock(&dev_priv->user_irq_lock);
+	spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
 }
 
 void i915_user_irq_put(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	unsigned long irqflags;
 
-	spin_lock(&dev_priv->user_irq_lock);
+	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
 	BUG_ON(dev->irq_enabled && dev_priv->user_irq_refcount <= 0);
 	if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0))
 		i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
-	spin_unlock(&dev_priv->user_irq_lock);
+	spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
 }
 
 static int i915_wait_irq(struct drm_device * dev, int irq_nr)
@@ -584,33 +586,37 @@ int i915_enable_vblank(struct drm_device *dev, int plane)
 	int pipe = i915_get_pipe(dev, plane);
 	u32	pipestat_reg = 0;
 	u32	pipestat;
+	u32	interrupt = 0;
+	unsigned long irqflags;
 
 	switch (pipe) {
 	case 0:
 		pipestat_reg = PIPEASTAT;
-		i915_enable_irq(dev_priv, I915_DISPLAY_PIPE_A_EVENT_INTERRUPT);
+		interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
 		break;
 	case 1:
 		pipestat_reg = PIPEBSTAT;
-		i915_enable_irq(dev_priv, I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
+		interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
 		break;
 	default:
 		DRM_ERROR("tried to enable vblank on non-existent pipe %d\n",
 			  pipe);
-		break;
+		return 0;
 	}
 
-	if (pipestat_reg) {
-		pipestat = I915_READ(pipestat_reg);
-		if (IS_I965G(dev))
-			pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE;
-		else
-			pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE;
-		/* Clear any stale interrupt status */
-		pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
-			     PIPE_VBLANK_INTERRUPT_STATUS);
-		I915_WRITE(pipestat_reg, pipestat);
-	}
+	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+	pipestat = I915_READ(pipestat_reg);
+	if (IS_I965G(dev))
+		pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE;
+	else
+		pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE;
+	/* Clear any stale interrupt status */
+	pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
+		     PIPE_VBLANK_INTERRUPT_STATUS);
+	I915_WRITE(pipestat_reg, pipestat);
+	(void) I915_READ(pipestat_reg);	/* Posting read */
+	i915_enable_irq(dev_priv, interrupt);
+	spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
 
 	return 0;
 }
@@ -621,31 +627,36 @@ void i915_disable_vblank(struct drm_device *dev, int plane)
 	int pipe = i915_get_pipe(dev, plane);
 	u32	pipestat_reg = 0;
 	u32	pipestat;
+	u32	interrupt = 0;
+	unsigned long irqflags;
 
 	switch (pipe) {
 	case 0:
 		pipestat_reg = PIPEASTAT;
-		i915_disable_irq(dev_priv, I915_DISPLAY_PIPE_A_EVENT_INTERRUPT);
+		interrupt = I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
 		break;
 	case 1:
 		pipestat_reg = PIPEBSTAT;
-		i915_disable_irq(dev_priv, I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
+		interrupt = I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
 		break;
 	default:
 		DRM_ERROR("tried to disable vblank on non-existent pipe %d\n",
 			  pipe);
+		return;
 		break;
 	}
 
-	if (pipestat_reg) {
-		pipestat = I915_READ(pipestat_reg);
-		pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
-			      PIPE_VBLANK_INTERRUPT_ENABLE);
-		/* Clear any stale interrupt status */
-		pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
-			     PIPE_VBLANK_INTERRUPT_STATUS);
-		I915_WRITE(pipestat_reg, pipestat);
-	}
+	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+	i915_disable_irq(dev_priv, interrupt);
+	pipestat = I915_READ(pipestat_reg);
+	pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE |
+		      PIPE_VBLANK_INTERRUPT_ENABLE);
+	/* Clear any stale interrupt status */
+	pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS |
+		     PIPE_VBLANK_INTERRUPT_STATUS);
+	I915_WRITE(pipestat_reg, pipestat);
+	(void) I915_READ(pipestat_reg);	/* Posting read */
+	spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
 }
 
 /* Set the vblank monitor pipe
-- 
GitLab


From 863842736fb4571b22e0f7f4696bf13eeec57166 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyu.z.wang@intel.com>
Date: Fri, 17 Oct 2008 13:15:48 +0800
Subject: [PATCH 2019/2224] drm: Set cliprects to NULL when changing drawable
 to having 0 cliprects.

This avoids setting the cliprects pointer to a zero-sized allocation.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_drawable.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_drawable.c b/drivers/gpu/drm/drm_drawable.c
index 1839c57663c..70b15d1b8f5 100644
--- a/drivers/gpu/drm/drm_drawable.c
+++ b/drivers/gpu/drm/drm_drawable.c
@@ -111,7 +111,9 @@ int drm_update_drawable_info(struct drm_device *dev, void *data, struct drm_file
 
 	switch (update->type) {
 	case DRM_DRAWABLE_CLIPRECTS:
-		if (update->num != info->num_rects) {
+		if (update->num == 0)
+			rects = NULL;
+		else if (update->num != info->num_rects) {
 			rects = drm_alloc(update->num * sizeof(struct drm_clip_rect),
 					 DRM_MEM_BUFS);
 		} else
-- 
GitLab


From d1ed629f44b3a4108d5c445971535f05f441fce7 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Fri, 17 Oct 2008 00:44:42 -0700
Subject: [PATCH 2020/2224] i915: Disable MSI on GM965 (errata says it doesn't
 work)

Current Intel errata for the GM965 says that using MSI may cause interrupts
to be delayed or lost. The only workaround offered is to not use it.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_dma.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index db34780edbb..01de536e021 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -844,8 +844,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	 * correctly in testing on 945G.
 	 * This may be a side effect of MSI having been made available for PEG
 	 * and the registers being closely associated.
+	 *
+	 * According to chipset errata, on the 965GM, MSI interrupts may
+	 * be lost or delayed
 	 */
-	if (!IS_I945G(dev) && !IS_I945GM(dev))
+	if (!IS_I945G(dev) && !IS_I945GM(dev) && !IS_I965GM(dev))
 		if (pci_enable_msi(dev->pdev))
 			DRM_ERROR("failed to enable MSI\n");
 
-- 
GitLab


From 786225eb2f4e55b5dda3cf8c62a145e824aae199 Mon Sep 17 00:00:00 2001
From: Zhenyu Wang <zhenyu.z.wang@intel.com>
Date: Fri, 17 Oct 2008 15:48:44 +0800
Subject: [PATCH 2021/2224] drm: fix leak of cliprects in drm_rmdraw()

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_drawable.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_drawable.c b/drivers/gpu/drm/drm_drawable.c
index 70b15d1b8f5..4a794d89942 100644
--- a/drivers/gpu/drm/drm_drawable.c
+++ b/drivers/gpu/drm/drm_drawable.c
@@ -76,11 +76,14 @@ int drm_rmdraw(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
 	struct drm_draw *draw = data;
 	unsigned long irqflags;
+	struct drm_drawable_info *info;
 
 	spin_lock_irqsave(&dev->drw_lock, irqflags);
 
-	drm_free(drm_get_drawable_info(dev, draw->handle),
-		 sizeof(struct drm_drawable_info), DRM_MEM_BUFS);
+	info = drm_get_drawable_info(dev, draw->handle);
+	drm_free(info->rects, info->num_rects * sizeof(struct drm_clip_rect),
+			DRM_MEM_BUFS);
+	drm_free(info, sizeof(struct drm_drawable_info), DRM_MEM_BUFS);
 
 	idr_remove(&dev->drw_idr, draw->handle);
 
-- 
GitLab


From 35ad68c18148a18938ff4f40e945c9734e7d2265 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 17 Oct 2008 11:03:53 -0700
Subject: [PATCH 2022/2224] drm: Remove two leaks of vblank reference count in
 error paths.

If the failing paths were hit, the vblank IRQ would never get turned off
again.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_irq.c       | 5 ++++-
 drivers/gpu/drm/i915/i915_irq.c | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 4091b9e291f..212a94f715b 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -594,11 +594,14 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
 			goto done;
 		}
 
+		/* Get a refcount on the vblank, which will be released by
+		 * drm_vbl_send_signals().
+		 */
 		ret = drm_vblank_get(dev, crtc);
 		if (ret) {
 			drm_free(vbl_sig, sizeof(struct drm_vbl_sig),
 				 DRM_MEM_DRIVER);
-			return ret;
+			goto done;
 		}
 
 		atomic_inc(&dev->vbl_signal_pending);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 671dd79d0aa..2cd853b2c56 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -771,6 +771,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 		    vbl_swap->plane == plane &&
 		    vbl_swap->sequence == swap->sequence) {
 			spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
+			drm_vblank_put(dev, pipe);
 			DRM_DEBUG("Already scheduled\n");
 			return 0;
 		}
-- 
GitLab


From 053d7f244a8739d96d316c77a97cd063804c8e35 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 17 Oct 2008 15:41:26 -0700
Subject: [PATCH 2023/2224] i915: Enable IMR passthrough of vblank events
 before enabling it in pipestat.

Otherwise, if we lost the race, the pipestat bit would be set without being
reflected in IIR, and we would never clear the pipestat bit so the pipe
event would never be generated again, and all vblank waits would time out.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2cd853b2c56..ca55c40353a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -605,6 +605,15 @@ int i915_enable_vblank(struct drm_device *dev, int plane)
 	}
 
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
+	/* Enabling vblank events in IMR comes before PIPESTAT write, or
+	 * there's a race where the PIPESTAT vblank bit gets set to 1, so
+	 * the OR of enabled PIPESTAT bits goes to 1, so the PIPExEVENT in
+	 * ISR flashes to 1, but the IIR bit doesn't get set to 1 because
+	 * IMR masks it.  It doesn't ever get set after we clear the masking
+	 * in IMR because the ISR bit is edge, not level-triggered, on the
+	 * OR of PIPESTAT bits.
+	 */
+	i915_enable_irq(dev_priv, interrupt);
 	pipestat = I915_READ(pipestat_reg);
 	if (IS_I965G(dev))
 		pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE;
@@ -615,7 +624,6 @@ int i915_enable_vblank(struct drm_device *dev, int plane)
 		     PIPE_VBLANK_INTERRUPT_STATUS);
 	I915_WRITE(pipestat_reg, pipestat);
 	(void) I915_READ(pipestat_reg);	/* Posting read */
-	i915_enable_irq(dev_priv, interrupt);
 	spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
 
 	return 0;
-- 
GitLab


From a2d44cca4fc9ae04ed2c9fc2ef16b6989eeae218 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 17 Oct 2008 14:41:03 -0700
Subject: [PATCH 2024/2224] i915: Don't dereference HWS in /proc debug files
 when it isn't initialized.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_gem_proc.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_proc.c b/drivers/gpu/drm/i915/i915_gem_proc.c
index 15d4160415b..93de15b4c9a 100644
--- a/drivers/gpu/drm/i915/i915_gem_proc.c
+++ b/drivers/gpu/drm/i915/i915_gem_proc.c
@@ -192,7 +192,12 @@ static int i915_gem_seqno_info(char *buf, char **start, off_t offset,
 
 	*start = &buf[offset];
 	*eof = 0;
-	DRM_PROC_PRINT("Current sequence: %d\n", i915_get_gem_seqno(dev));
+	if (dev_priv->hw_status_page != NULL) {
+		DRM_PROC_PRINT("Current sequence: %d\n",
+			       i915_get_gem_seqno(dev));
+	} else {
+		DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
+	}
 	DRM_PROC_PRINT("Waiter sequence:  %d\n",
 		       dev_priv->mm.waiting_gem_seqno);
 	DRM_PROC_PRINT("IRQ sequence:     %d\n", dev_priv->mm.irq_gem_seqno);
@@ -230,8 +235,12 @@ static int i915_interrupt_info(char *buf, char **start, off_t offset,
 		       I915_READ(PIPEBSTAT));
 	DRM_PROC_PRINT("Interrupts received: %d\n",
 		       atomic_read(&dev_priv->irq_received));
-	DRM_PROC_PRINT("Current sequence:    %d\n",
-		       i915_get_gem_seqno(dev));
+	if (dev_priv->hw_status_page != NULL) {
+		DRM_PROC_PRINT("Current sequence:    %d\n",
+			       i915_get_gem_seqno(dev));
+	} else {
+		DRM_PROC_PRINT("Current sequence:    hws uninitialized\n");
+	}
 	DRM_PROC_PRINT("Waiter sequence:     %d\n",
 		       dev_priv->mm.waiting_gem_seqno);
 	DRM_PROC_PRINT("IRQ sequence:        %d\n",
-- 
GitLab


From fe8133dc07e613587f8e667bce769edce8490f2a Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 17 Oct 2008 15:43:02 -0700
Subject: [PATCH 2025/2224] i915: Fix format string warnings on x86-64.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_proc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index d490db4c0de..ae73b7f7249 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -522,12 +522,12 @@ static int drm_gem_one_name_info(int id, void *ptr, void *data)
 	struct drm_gem_object *obj = ptr;
 	struct drm_gem_name_info_data   *nid = data;
 
-	DRM_INFO("name %d size %d\n", obj->name, obj->size);
+	DRM_INFO("name %d size %zd\n", obj->name, obj->size);
 	if (nid->eof)
 		return 0;
 
 	nid->len += sprintf(&nid->buf[nid->len],
-			    "%6d%9d%8d%9d\n",
+			    "%6d %8zd %7d %8d\n",
 			    obj->name, obj->size,
 			    atomic_read(&obj->handlecount.refcount),
 			    atomic_read(&obj->refcount.refcount));
-- 
GitLab


From 9e44af790f8bf8c3aa8a3101fd4f9bca2e932baa Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Thu, 16 Oct 2008 21:18:27 -0700
Subject: [PATCH 2026/2224] drm/i915: hold dev->struct_mutex and DRM lock
 during vblank ring operations

To synchronize clip lists with the X server, the DRM lock must be held while
looking at drawable clip lists. To synchronize with other ring access, the
ring mutex must be held while inserting commands into the ring.  Failure to
do the first resulted in easy visual corruption when moving windows, and the
second could have corrupted the ring with DRI2.

Grabbing the DRM lock involves using the DRM tasklet mechanism, grabbing the
ring mutex means potentially sleeping. Deal with both of these by always
running the tasklet from a work handler.

Also, protect from clip list changes since the vblank request was queued by
making sure the window has at least one rectangle while looking inside,
preventing oopses .

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_lock.c      |   2 +
 drivers/gpu/drm/i915/i915_drv.h |  10 +--
 drivers/gpu/drm/i915/i915_gem.c |   2 -
 drivers/gpu/drm/i915/i915_irq.c | 138 ++++++++++++++++++++------------
 4 files changed, 92 insertions(+), 60 deletions(-)

diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c
index a4caf95485d..888159e03d2 100644
--- a/drivers/gpu/drm/drm_lock.c
+++ b/drivers/gpu/drm/drm_lock.c
@@ -232,6 +232,7 @@ int drm_lock_take(struct drm_lock_data *lock_data,
 	}
 	return 0;
 }
+EXPORT_SYMBOL(drm_lock_take);
 
 /**
  * This takes a lock forcibly and hands it to context.	Should ONLY be used
@@ -299,6 +300,7 @@ int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context)
 	wake_up_interruptible(&lock_data->lock_queue);
 	return 0;
 }
+EXPORT_SYMBOL(drm_lock_free);
 
 /**
  * If we get here, it means that the process has called DRM_IOCTL_LOCK
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index eae4ed3956e..f20ffe17df7 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -90,7 +90,7 @@ struct mem_block {
 typedef struct _drm_i915_vbl_swap {
 	struct list_head head;
 	drm_drawable_t drw_id;
-	unsigned int plane;
+	unsigned int pipe;
 	unsigned int sequence;
 } drm_i915_vbl_swap_t;
 
@@ -240,6 +240,9 @@ typedef struct drm_i915_private {
 	u8 saveDACDATA[256*3]; /* 256 3-byte colors */
 	u8 saveCR[37];
 
+	/** Work task for vblank-related ring access */
+	struct work_struct vblank_work;
+
 	struct {
 		struct drm_mm gtt_space;
 
@@ -285,9 +288,6 @@ typedef struct drm_i915_private {
 		 */
 		struct delayed_work retire_work;
 
-		/** Work task for vblank-related ring access */
-		struct work_struct vblank_work;
-
 		uint32_t next_gem_seqno;
 
 		/**
@@ -441,7 +441,7 @@ extern int i915_irq_wait(struct drm_device *dev, void *data,
 void i915_user_irq_get(struct drm_device *dev);
 void i915_user_irq_put(struct drm_device *dev);
 
-extern void i915_gem_vblank_work_handler(struct work_struct *work);
+extern void i915_vblank_work_handler(struct work_struct *work);
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(struct drm_device * dev);
 extern int i915_driver_irq_postinstall(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9ac73dd1b42..92550883d19 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2550,8 +2550,6 @@ i915_gem_load(struct drm_device *dev)
 	INIT_LIST_HEAD(&dev_priv->mm.request_list);
 	INIT_DELAYED_WORK(&dev_priv->mm.retire_work,
 			  i915_gem_retire_work_handler);
-	INIT_WORK(&dev_priv->mm.vblank_work,
-		  i915_gem_vblank_work_handler);
 	dev_priv->mm.next_gem_seqno = 1;
 
 	i915_gem_detect_bit_6_swizzle(dev);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ca55c40353a..86237569443 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -121,6 +121,9 @@ i915_pipe_enabled(struct drm_device *dev, int pipe)
  * Emit blits for scheduled buffer swaps.
  *
  * This function will be called with the HW lock held.
+ * Because this function must grab the ring mutex (dev->struct_mutex),
+ * it can no longer run at soft irq time. We'll fix this when we do
+ * the DRI2 swap buffer work.
  */
 static void i915_vblank_tasklet(struct drm_device *dev)
 {
@@ -141,6 +144,8 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 	u32 ropcpp = (0xcc << 16) | ((cpp - 1) << 24);
 	RING_LOCALS;
 
+	mutex_lock(&dev->struct_mutex);
+
 	if (IS_I965G(dev) && sarea_priv->front_tiled) {
 		cmd |= XY_SRC_COPY_BLT_DST_TILED;
 		dst_pitch >>= 2;
@@ -150,8 +155,8 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 		src_pitch >>= 2;
 	}
 
-	counter[0] = drm_vblank_count(dev, 0);
-	counter[1] = drm_vblank_count(dev, 1);
+	counter[0] = drm_vblank_count(dev, i915_get_plane(dev, 0));
+	counter[1] = drm_vblank_count(dev, i915_get_plane(dev, 1));
 
 	DRM_DEBUG("\n");
 
@@ -165,7 +170,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 	list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) {
 		drm_i915_vbl_swap_t *vbl_swap =
 			list_entry(list, drm_i915_vbl_swap_t, head);
-		int pipe = i915_get_pipe(dev, vbl_swap->plane);
+		int pipe = vbl_swap->pipe;
 
 		if ((counter[pipe] - vbl_swap->sequence) > (1<<23))
 			continue;
@@ -179,20 +184,19 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 
 		drw = drm_get_drawable_info(dev, vbl_swap->drw_id);
 
-		if (!drw) {
-			spin_unlock(&dev->drw_lock);
-			drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
-			spin_lock(&dev_priv->swaps_lock);
-			continue;
-		}
-
 		list_for_each(hit, &hits) {
 			drm_i915_vbl_swap_t *swap_cmp =
 				list_entry(hit, drm_i915_vbl_swap_t, head);
 			struct drm_drawable_info *drw_cmp =
 				drm_get_drawable_info(dev, swap_cmp->drw_id);
 
-			if (drw_cmp &&
+			/* Make sure both drawables are still
+			 * around and have some rectangles before
+			 * we look inside to order them for the
+			 * blts below.
+			 */
+			if (drw_cmp && drw_cmp->num_rects > 0 &&
+			    drw && drw->num_rects > 0 &&
 			    drw_cmp->rects[0].y1 > drw->rects[0].y1) {
 				list_add_tail(list, hit);
 				break;
@@ -212,6 +216,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 
 	if (nhits == 0) {
 		spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
+		mutex_unlock(&dev->struct_mutex);
 		return;
 	}
 
@@ -265,18 +270,21 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 			drm_i915_vbl_swap_t *swap_hit =
 				list_entry(hit, drm_i915_vbl_swap_t, head);
 			struct drm_clip_rect *rect;
-			int num_rects, plane;
+			int num_rects, pipe;
 			unsigned short top, bottom;
 
 			drw = drm_get_drawable_info(dev, swap_hit->drw_id);
 
+			/* The drawable may have been destroyed since
+			 * the vblank swap was queued
+			 */
 			if (!drw)
 				continue;
 
 			rect = drw->rects;
-			plane = swap_hit->plane;
-			top = upper[plane];
-			bottom = lower[plane];
+			pipe = swap_hit->pipe;
+			top = upper[pipe];
+			bottom = lower[pipe];
 
 			for (num_rects = drw->num_rects; num_rects--; rect++) {
 				int y1 = max(rect->y1, top);
@@ -302,6 +310,7 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 	}
 
 	spin_unlock_irqrestore(&dev->drw_lock, irqflags);
+	mutex_unlock(&dev->struct_mutex);
 
 	list_for_each_safe(hit, tmp, &hits) {
 		drm_i915_vbl_swap_t *swap_hit =
@@ -350,18 +359,37 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
 }
 
 void
-i915_gem_vblank_work_handler(struct work_struct *work)
+i915_vblank_work_handler(struct work_struct *work)
 {
-	drm_i915_private_t *dev_priv;
-	struct drm_device *dev;
+	drm_i915_private_t *dev_priv = container_of(work, drm_i915_private_t,
+						    vblank_work);
+	struct drm_device *dev = dev_priv->dev;
+	unsigned long irqflags;
+
+	if (dev->lock.hw_lock == NULL) {
+		i915_vblank_tasklet(dev);
+		return;
+	}
 
-	dev_priv = container_of(work, drm_i915_private_t,
-				mm.vblank_work);
-	dev = dev_priv->dev;
+	spin_lock_irqsave(&dev->tasklet_lock, irqflags);
+	dev->locked_tasklet_func = i915_vblank_tasklet;
+	spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
+
+	/* Try to get the lock now, if this fails, the lock
+	 * holder will execute the tasklet during unlock
+	 */
+	if (!drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT))
+		return;
+
+	dev->lock.lock_time = jiffies;
+	atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);
+
+	spin_lock_irqsave(&dev->tasklet_lock, irqflags);
+	dev->locked_tasklet_func = NULL;
+	spin_unlock_irqrestore(&dev->tasklet_lock, irqflags);
 
-	mutex_lock(&dev->struct_mutex);
 	i915_vblank_tasklet(dev);
-	mutex_unlock(&dev->struct_mutex);
+	drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT);
 }
 
 irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
@@ -441,12 +469,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 	if (iir & I915_ASLE_INTERRUPT)
 		opregion_asle_intr(dev);
 
-	if (vblank && dev_priv->swaps_pending > 0) {
-		if (dev_priv->ring.ring_obj == NULL)
-			drm_locked_tasklet(dev, i915_vblank_tasklet);
-		else
-			schedule_work(&dev_priv->mm.vblank_work);
-	}
+	if (vblank && dev_priv->swaps_pending > 0)
+		schedule_work(&dev_priv->vblank_work);
 
 	return IRQ_HANDLED;
 }
@@ -706,7 +730,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_vblank_swap_t *swap = data;
-	drm_i915_vbl_swap_t *vbl_swap;
+	drm_i915_vbl_swap_t *vbl_swap, *vbl_old;
 	unsigned int pipe, seqtype, curseq, plane;
 	unsigned long irqflags;
 	struct list_head *list;
@@ -770,45 +794,52 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 		}
 	}
 
+	vbl_swap = drm_calloc(1, sizeof(*vbl_swap), DRM_MEM_DRIVER);
+
+	if (!vbl_swap) {
+		DRM_ERROR("Failed to allocate memory to queue swap\n");
+		drm_vblank_put(dev, pipe);
+		return -ENOMEM;
+	}
+
+	vbl_swap->drw_id = swap->drawable;
+	vbl_swap->pipe = pipe;
+	vbl_swap->sequence = swap->sequence;
+
 	spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
 
 	list_for_each(list, &dev_priv->vbl_swaps.head) {
-		vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head);
+		vbl_old = list_entry(list, drm_i915_vbl_swap_t, head);
 
-		if (vbl_swap->drw_id == swap->drawable &&
-		    vbl_swap->plane == plane &&
-		    vbl_swap->sequence == swap->sequence) {
+		if (vbl_old->drw_id == swap->drawable &&
+		    vbl_old->pipe == pipe &&
+		    vbl_old->sequence == swap->sequence) {
 			spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
 			drm_vblank_put(dev, pipe);
+			drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
 			DRM_DEBUG("Already scheduled\n");
 			return 0;
 		}
 	}
 
-	spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
-
-	if (dev_priv->swaps_pending >= 100) {
+	if (dev_priv->swaps_pending >= 10) {
 		DRM_DEBUG("Too many swaps queued\n");
+		DRM_DEBUG(" pipe 0: %d pipe 1: %d\n",
+			  drm_vblank_count(dev, i915_get_plane(dev, 0)),
+			  drm_vblank_count(dev, i915_get_plane(dev, 1)));
+
+		list_for_each(list, &dev_priv->vbl_swaps.head) {
+			vbl_old = list_entry(list, drm_i915_vbl_swap_t, head);
+			DRM_DEBUG("\tdrw %x pipe %d seq %x\n",
+				  vbl_old->drw_id, vbl_old->pipe,
+				  vbl_old->sequence);
+		}
+		spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);
 		drm_vblank_put(dev, pipe);
+		drm_free(vbl_swap, sizeof(*vbl_swap), DRM_MEM_DRIVER);
 		return -EBUSY;
 	}
 
-	vbl_swap = drm_calloc(1, sizeof(*vbl_swap), DRM_MEM_DRIVER);
-
-	if (!vbl_swap) {
-		DRM_ERROR("Failed to allocate memory to queue swap\n");
-		drm_vblank_put(dev, pipe);
-		return -ENOMEM;
-	}
-
-	DRM_DEBUG("\n");
-
-	vbl_swap->drw_id = swap->drawable;
-	vbl_swap->plane = plane;
-	vbl_swap->sequence = swap->sequence;
-
-	spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
-
 	list_add_tail(&vbl_swap->head, &dev_priv->vbl_swaps.head);
 	dev_priv->swaps_pending++;
 
@@ -835,6 +866,7 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
 
 	spin_lock_init(&dev_priv->swaps_lock);
 	INIT_LIST_HEAD(&dev_priv->vbl_swaps.head);
+	INIT_WORK(&dev_priv->vblank_work, i915_vblank_work_handler);
 	dev_priv->swaps_pending = 0;
 
 	/* Set initial unmasked IRQs to just the selected vblank pipes. */
-- 
GitLab


From 42f52ef8d96b1434f12ad9f895b5412fda392847 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sat, 18 Oct 2008 19:39:29 -0700
Subject: [PATCH 2027/2224] drm/i915: use pipes, not planes to label vblank
 data

vblank in the kernel is far simpler if it deals with pipes instead of
planes, so we're changing both user and kernel side.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 73 +++++++++------------------------
 1 file changed, 20 insertions(+), 53 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 86237569443..26f48932a51 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -59,43 +59,6 @@ i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
 	}
 }
 
-/**
- * i915_get_pipe - return the the pipe associated with a given plane
- * @dev: DRM device
- * @plane: plane to look for
- *
- * The Intel Mesa & 2D drivers call the vblank routines with a plane number
- * rather than a pipe number, since they may not always be equal.  This routine
- * maps the given @plane back to a pipe number.
- */
-static int
-i915_get_pipe(struct drm_device *dev, int plane)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u32 dspcntr;
-
-	dspcntr = plane ? I915_READ(DSPBCNTR) : I915_READ(DSPACNTR);
-
-	return dspcntr & DISPPLANE_SEL_PIPE_MASK ? 1 : 0;
-}
-
-/**
- * i915_get_plane - return the the plane associated with a given pipe
- * @dev: DRM device
- * @pipe: pipe to look for
- *
- * The Intel Mesa & 2D drivers call the vblank routines with a plane number
- * rather than a plane number, since they may not always be equal.  This routine
- * maps the given @pipe back to a plane number.
- */
-static int
-i915_get_plane(struct drm_device *dev, int pipe)
-{
-	if (i915_get_pipe(dev, 0) == pipe)
-		return 0;
-	return 1;
-}
-
 /**
  * i915_pipe_enabled - check if a pipe is enabled
  * @dev: DRM device
@@ -155,8 +118,8 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 		src_pitch >>= 2;
 	}
 
-	counter[0] = drm_vblank_count(dev, i915_get_plane(dev, 0));
-	counter[1] = drm_vblank_count(dev, i915_get_plane(dev, 1));
+	counter[0] = drm_vblank_count(dev, 0);
+	counter[1] = drm_vblank_count(dev, 1);
 
 	DRM_DEBUG("\n");
 
@@ -322,15 +285,16 @@ static void i915_vblank_tasklet(struct drm_device *dev)
 	}
 }
 
-u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
+/* Called from drm generic code, passed a 'crtc', which
+ * we use as a pipe index
+ */
+u32 i915_get_vblank_counter(struct drm_device *dev, int pipe)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 	unsigned long high_frame;
 	unsigned long low_frame;
 	u32 high1, high2, low, count;
-	int pipe;
 
-	pipe = i915_get_pipe(dev, plane);
 	high_frame = pipe ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH;
 	low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL;
 
@@ -426,7 +390,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		else if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
 					PIPE_VBLANK_INTERRUPT_STATUS)) {
 			vblank++;
-			drm_handle_vblank(dev, i915_get_plane(dev, 0));
+			drm_handle_vblank(dev, 0);
 		}
 
 		I915_WRITE(PIPEASTAT, pipea_stats);
@@ -444,7 +408,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 		else if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS|
 					PIPE_VBLANK_INTERRUPT_STATUS)) {
 			vblank++;
-			drm_handle_vblank(dev, i915_get_plane(dev, 1));
+			drm_handle_vblank(dev, 1);
 		}
 
 		if (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS)
@@ -604,10 +568,12 @@ int i915_irq_wait(struct drm_device *dev, void *data,
 	return i915_wait_irq(dev, irqwait->irq_seq);
 }
 
-int i915_enable_vblank(struct drm_device *dev, int plane)
+/* Called from drm generic code, passed 'crtc' which
+ * we use as a pipe index
+ */
+int i915_enable_vblank(struct drm_device *dev, int pipe)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	int pipe = i915_get_pipe(dev, plane);
 	u32	pipestat_reg = 0;
 	u32	pipestat;
 	u32	interrupt = 0;
@@ -653,10 +619,12 @@ int i915_enable_vblank(struct drm_device *dev, int plane)
 	return 0;
 }
 
-void i915_disable_vblank(struct drm_device *dev, int plane)
+/* Called from drm generic code, passed 'crtc' which
+ * we use as a pipe index
+ */
+void i915_disable_vblank(struct drm_device *dev, int pipe)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	int pipe = i915_get_pipe(dev, plane);
 	u32	pipestat_reg = 0;
 	u32	pipestat;
 	u32	interrupt = 0;
@@ -731,7 +699,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	drm_i915_vblank_swap_t *swap = data;
 	drm_i915_vbl_swap_t *vbl_swap, *vbl_old;
-	unsigned int pipe, seqtype, curseq, plane;
+	unsigned int pipe, seqtype, curseq;
 	unsigned long irqflags;
 	struct list_head *list;
 	int ret;
@@ -752,8 +720,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	plane = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0;
-	pipe = i915_get_pipe(dev, plane);
+	pipe = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0;
 
 	seqtype = swap->seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE);
 
@@ -825,8 +792,8 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 	if (dev_priv->swaps_pending >= 10) {
 		DRM_DEBUG("Too many swaps queued\n");
 		DRM_DEBUG(" pipe 0: %d pipe 1: %d\n",
-			  drm_vblank_count(dev, i915_get_plane(dev, 0)),
-			  drm_vblank_count(dev, i915_get_plane(dev, 1)));
+			  drm_vblank_count(dev, 0),
+			  drm_vblank_count(dev, 1));
 
 		list_for_each(list, &dev_priv->vbl_swaps.head) {
 			vbl_old = list_entry(list, drm_i915_vbl_swap_t, head);
-- 
GitLab


From 49568873705e45a0de77b7824a9a46d3201019a7 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 21 Oct 2008 11:38:50 -0700
Subject: [PATCH 2028/2224] drm: Add 32-bit compatibility for
 DRM_IOCTL_UPDATE_DRAW.

This fixes vblank support for a 32-bit X Server on a 64-bit kernel.

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_ioc32.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
index 90f5a8d9bdc..920b72fbc95 100644
--- a/drivers/gpu/drm/drm_ioc32.c
+++ b/drivers/gpu/drm/drm_ioc32.c
@@ -64,6 +64,8 @@
 #define DRM_IOCTL_SG_ALLOC32		DRM_IOW( 0x38, drm_scatter_gather32_t)
 #define DRM_IOCTL_SG_FREE32		DRM_IOW( 0x39, drm_scatter_gather32_t)
 
+#define DRM_IOCTL_UPDATE_DRAW32		DRM_IOW( 0x3f, drm_update_draw32_t)
+
 #define DRM_IOCTL_WAIT_VBLANK32		DRM_IOWR(0x3a, drm_wait_vblank32_t)
 
 typedef struct drm_version_32 {
@@ -952,6 +954,37 @@ static int compat_drm_sg_free(struct file *file, unsigned int cmd,
 			 DRM_IOCTL_SG_FREE, (unsigned long)request);
 }
 
+typedef struct drm_update_draw32 {
+	drm_drawable_t handle;
+	unsigned int type;
+	unsigned int num;
+	/* 64-bit version has a 32-bit pad here */
+	u64 data;	/**< Pointer */
+} __attribute__((packed)) drm_update_draw32_t;
+
+static int compat_drm_update_draw(struct file *file, unsigned int cmd,
+				  unsigned long arg)
+{
+	drm_update_draw32_t update32;
+	struct drm_update_draw __user *request;
+	int err;
+
+	if (copy_from_user(&update32, (void __user *)arg, sizeof(update32)))
+		return -EFAULT;
+
+	request = compat_alloc_user_space(sizeof(*request));
+	if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) ||
+	    __put_user(update32.handle, &request->handle) ||
+	    __put_user(update32.type, &request->type) ||
+	    __put_user(update32.num, &request->num) ||
+	    __put_user(update32.data, &request->data))
+		return -EFAULT;
+
+	err = drm_ioctl(file->f_path.dentry->d_inode, file,
+			DRM_IOCTL_UPDATE_DRAW, (unsigned long)request);
+	return err;
+}
+
 struct drm_wait_vblank_request32 {
 	enum drm_vblank_seq_type type;
 	unsigned int sequence;
@@ -1033,6 +1066,7 @@ drm_ioctl_compat_t *drm_compat_ioctls[] = {
 #endif
 	[DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC32)] = compat_drm_sg_alloc,
 	[DRM_IOCTL_NR(DRM_IOCTL_SG_FREE32)] = compat_drm_sg_free,
+	[DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw,
 	[DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank,
 };
 
-- 
GitLab


From 7e78f72524b794fa8d73dc59aeeacc12a2e937fe Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 21 Oct 2008 11:53:01 -0700
Subject: [PATCH 2029/2224] drm: Avoid oops in DRM_IOCTL_RM_DRAW if a bad
 handle is supplied.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Michel Dänzer <michel@tungstengraphics.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_drawable.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/drm_drawable.c b/drivers/gpu/drm/drm_drawable.c
index 4a794d89942..80be1cab62a 100644
--- a/drivers/gpu/drm/drm_drawable.c
+++ b/drivers/gpu/drm/drm_drawable.c
@@ -81,6 +81,10 @@ int drm_rmdraw(struct drm_device *dev, void *data, struct drm_file *file_priv)
 	spin_lock_irqsave(&dev->drw_lock, irqflags);
 
 	info = drm_get_drawable_info(dev, draw->handle);
+	if (info == NULL) {
+		spin_unlock_irqrestore(&dev->drw_lock, irqflags);
+		return -EINVAL;
+	}
 	drm_free(info->rects, info->num_rects * sizeof(struct drm_clip_rect),
 			DRM_MEM_BUFS);
 	drm_free(info, sizeof(struct drm_drawable_info), DRM_MEM_BUFS);
-- 
GitLab


From 84210e9120a8c01a14379ba1f9a9b0f963641d94 Mon Sep 17 00:00:00 2001
From: Steve French <sfrench@us.ibm.com>
Date: Thu, 23 Oct 2008 04:42:37 +0000
Subject: [PATCH 2030/2224] [CIFS] improve setlease handling

fcntl(F_SETLEASE) currently is not exported by cifs (nor by local file
systems) so cifs grants leases based on how other local processes have
opened the file not by whether the file is cacheable (oplocked).  This
adds the check to make sure that the file is cacheable on the client
before checking whether we can grant the lease locally
(generic_setlease).  It also adds a mount option for cifs (locallease)
if the user wants to override this and try to grant leases even
if the server did not grant oplock.

Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/CHANGES    |  3 ++-
 fs/cifs/README     | 16 ++++++++++++++++
 fs/cifs/cifsfs.c   | 41 +++++++++++++++++++++++++++++++++++++++++
 fs/cifs/cifsglob.h |  1 +
 fs/cifs/connect.c  |  8 +++++++-
 5 files changed, 67 insertions(+), 2 deletions(-)

diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index a7255751ffb..8f528ea24c4 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -3,7 +3,8 @@ Version 1.55
 Various fixes to make delete of open files behavior more predictable
 (when delete of an open file fails we mark the file as "delete-on-close"
 in a way that more servers accept, but only if we can first rename the
-file to a temporary name)
+file to a temporary name).  Add experimental support for more safely
+handling fcntl(F_SETLEASE).
 
 Version 1.54
 ------------
diff --git a/fs/cifs/README b/fs/cifs/README
index cbe26fe4012..a439dc1739b 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -491,6 +491,19 @@ A partial list of the supported mount options follows:
 		Note that this differs from the sign mount option in that it
 		causes encryption of data sent over this mounted share but other
 		shares mounted to the same server are unaffected.
+ locallease     This option is rarely needed. Fcntl F_SETLEASE is
+		used by some applications such as Samba and NFSv4 server to
+		check to see whether a file is cacheable.  CIFS has no way
+		to explicitly request a lease, but can check whether a file
+		is cacheable (oplocked).  Unfortunately, even if a file
+		is not oplocked, it could still be cacheable (ie cifs client
+		could grant fcntl leases if no other local processes are using
+		the file) for cases for example such as when the server does not
+		support oplocks and the user is sure that the only updates to
+		the file will be from this client. Specifying this mount option
+		will allow the cifs client to check for leases (only) locally
+		for files which are not oplocked instead of denying leases
+		in that case. (EXPERIMENTAL)
  sec            Security mode.  Allowed values are:
 			none	attempt to connection as a null user (no name)
 			krb5    Use Kerberos version 5 authentication
@@ -641,6 +654,9 @@ requires enabling CONFIG_CIFS_EXPERIMENTAL
 	cifsacl support needed to retrieve approximated mode bits based on
 		the contents on the CIFS ACL.
 
+	lease support: cifs will check the oplock state before calling into
+	the vfs to see if we can grant a lease on a file.
+
 	DNOTIFY fcntl: needed for support of directory change 
 			    notification and perhaps later for file leases)
 
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index c6aad775dd6..76919c25acc 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -618,6 +618,37 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin)
 	return generic_file_llseek_unlocked(file, offset, origin);
 }
 
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
+{
+	/* note that this is called by vfs setlease with the BKL held
+	   although I doubt that BKL is needed here in cifs */
+	struct inode *inode = file->f_path.dentry->d_inode;
+
+	if (!(S_ISREG(inode->i_mode)))
+		return -EINVAL;
+
+	/* check if file is oplocked */
+	if (((arg == F_RDLCK) &&
+		(CIFS_I(inode)->clientCanCacheRead)) ||
+	    ((arg == F_WRLCK) &&
+		(CIFS_I(inode)->clientCanCacheAll)))
+		return generic_setlease(file, arg, lease);
+	else if (CIFS_SB(inode->i_sb)->tcon->local_lease &&
+			!CIFS_I(inode)->clientCanCacheRead)
+		/* If the server claims to support oplock on this
+		   file, then we still need to check oplock even
+		   if the local_lease mount option is set, but there
+		   are servers which do not support oplock for which
+		   this mount option may be useful if the user
+		   knows that the file won't be changed on the server
+		   by anyone else */
+		return generic_setlease(file, arg, lease);
+	else
+		return -EAGAIN;
+}
+#endif
+
 struct file_system_type cifs_fs_type = {
 	.owner = THIS_MODULE,
 	.name = "cifs",
@@ -696,6 +727,7 @@ const struct file_operations cifs_file_ops = {
 
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 	.dir_notify = cifs_dir_notify,
+	.setlease = cifs_setlease,
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 
@@ -716,6 +748,7 @@ const struct file_operations cifs_file_direct_ops = {
 	.llseek = cifs_llseek,
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 	.dir_notify = cifs_dir_notify,
+	.setlease = cifs_setlease,
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 const struct file_operations cifs_file_nobrl_ops = {
@@ -736,6 +769,7 @@ const struct file_operations cifs_file_nobrl_ops = {
 
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 	.dir_notify = cifs_dir_notify,
+	.setlease = cifs_setlease,
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 
@@ -755,6 +789,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = {
 	.llseek = cifs_llseek,
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 	.dir_notify = cifs_dir_notify,
+	.setlease = cifs_setlease,
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
 
@@ -946,6 +981,12 @@ static int cifs_oplock_thread(void *dummyarg)
 				the call */
 			/* mutex_lock(&inode->i_mutex);*/
 			if (S_ISREG(inode->i_mode)) {
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+				if (CIFS_I(inode)->clientCanCacheAll == 0)
+					break_lease(inode, FMODE_READ);
+				else if (CIFS_I(inode)->clientCanCacheRead == 0)
+					break_lease(inode, FMODE_WRITE);
+#endif
 				rc = filemap_fdatawrite(inode->i_mapping);
 				if (CIFS_I(inode)->clientCanCacheRead == 0) {
 					waitrc = filemap_fdatawait(
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 178f733a368..c791e5b5a91 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -285,6 +285,7 @@ struct cifsTconInfo {
 	bool seal:1;      /* transport encryption for this mounted share */
 	bool unix_ext:1;  /* if false disable Linux extensions to CIFS protocol
 				for this mount even if server would support */
+	bool local_lease:1; /* check leases (only) on local system not remote */
 	/* BB add field for back pointer to sb struct(s)? */
 };
 
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 1126f7ab460..f51b79a67e1 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -90,7 +90,8 @@ struct smb_vol {
 	bool nocase:1;     /* request case insensitive filenames */
 	bool nobrl:1;      /* disable sending byte range locks to srv */
 	bool seal:1;       /* request transport encryption on share */
-	bool nodfs:1;
+	bool nodfs:1;      /* Do not request DFS, even if available */
+	bool local_lease:1; /* check leases only on local system, not remote */
 	unsigned int rsize;
 	unsigned int wsize;
 	unsigned int sockopt;
@@ -1264,6 +1265,10 @@ cifs_parse_mount_options(char *options, const char *devname,
 			vol->no_psx_acl = 0;
 		} else if (strnicmp(data, "noacl", 5) == 0) {
 			vol->no_psx_acl = 1;
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+		} else if (strnicmp(data, "locallease", 6) == 0) {
+			vol->local_lease = 1;
+#endif
 		} else if (strnicmp(data, "sign", 4) == 0) {
 			vol->secFlg |= CIFSSEC_MUST_SIGN;
 		} else if (strnicmp(data, "seal", 4) == 0) {
@@ -2162,6 +2167,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 			   for the retry flag is used */
 			tcon->retry = volume_info.retry;
 			tcon->nocase = volume_info.nocase;
+			tcon->local_lease = volume_info.local_lease;
 			if (tcon->seal != volume_info.seal)
 				cERROR(1, ("transport encryption setting "
 					   "conflicts with existing tid"));
-- 
GitLab


From eb83f493ab9f8bd09fb7a99ae6ae565e92470491 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Thu, 23 Oct 2008 00:43:47 -0400
Subject: [PATCH 2031/2224] intel_menlo: fix build warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

drivers/misc/intel_menlow.c:107: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘long long unsigned int’

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/misc/intel_menlow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index a78274385d5..e00a2756e97 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -104,7 +104,7 @@ static int memory_get_cur_bandwidth(struct thermal_cooling_device *cdev,
 	if (ACPI_FAILURE(status))
 		return -EFAULT;
 
-	return sprintf(buf, "%ld\n", value);
+	return sprintf(buf, "%llu\n", value);
 }
 
 static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
-- 
GitLab


From b849075c0e08ea43400c1341c78eeca76ab08d8a Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Thu, 23 Oct 2008 00:45:18 -0400
Subject: [PATCH 2032/2224] ACPI suspend: fix build warning when
 CONFIG_ACPI_SLEEP=n
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

drivers/acpi/sleep/main.c:27: warning: ‘acpi_target_sleep_state’ defined but not used

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/sleep/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 76037883cd1..26571bafb15 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -24,7 +24,6 @@
 #include "sleep.h"
 
 u8 sleep_states[ACPI_S_STATE_COUNT];
-static u32 acpi_target_sleep_state = ACPI_STATE_S0;
 
 static void acpi_sleep_tts_switch(u32 acpi_state)
 {
@@ -78,6 +77,7 @@ static int acpi_sleep_prepare(u32 acpi_state)
 }
 
 #ifdef CONFIG_ACPI_SLEEP
+static u32 acpi_target_sleep_state = ACPI_STATE_S0;
 /*
  * ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
  * user to request that behavior by using the 'acpi_old_suspend_ordering'
-- 
GitLab


From 5eaff72218b9c2cb7ca7aa284cf0271870c7a7b1 Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Fri, 17 Oct 2008 16:33:57 +0800
Subject: [PATCH 2033/2224] ACPI: hack around sysfs warning with link order

    There exists the following warning message will appear after the
following commit is merged.
   >commit f2e969acd6d5981e6b1272810002558650d0736e
   >Author: Zhao Yakui <yakui.zhao@intel.com>
   >Date:   Mon Aug 11 14:57:50 2008 +0800
    >ACPI: Add "acpi.power_nocheck=1" to disable power state check in
power transition:

   >WARNING: at linux-2.6/fs/sysfs/dir.c:463  sysfs_add_one+0x33/0x39()
   >sysfs: duplicate filename 'acpi' can not be created
   >kobject_add_internal failed for acpi with -EEXIST, don't try to register
            things with the same name in the same directory

   In the above commit the "acpi.power_nocheck" module parameter is defined
in drivers/acpi/power.c file. As several module parameters using the same ACPI
prefix are defined in the different files(for example: power_nocheck is
defined in drivers/acpi/power.c,debug_layer/debug_level are defined in
drivers/acpi/debug.c) and there exists another module between them, the
warning message will be printed when using the current generic param code.
(In the function of param_sysfs_init).

   In fact when ACPI is selected, the drivers/acpi/power will also be compiled
as built-in kernel.So this issue can be fixed by the following approach.
   workaround it by adjusting the module link order in drivers/acpi/Makefile.
In such case the module parameter using the same prefix(ACPI) are put together
in the param data section.

   Of course the better solution is to fix it in generic param code related
with sysfs.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index ad4bfd558ff..d91c027ece8 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -48,10 +48,10 @@ obj-$(CONFIG_ACPI_DOCK)		+= dock.o
 obj-$(CONFIG_ACPI_VIDEO)	+= video.o
 obj-y				+= pci_root.o pci_link.o pci_irq.o pci_bind.o
 obj-$(CONFIG_ACPI_PCI_SLOT)	+= pci_slot.o
-obj-$(CONFIG_ACPI_POWER)	+= power.o
 obj-$(CONFIG_ACPI_PROCESSOR)	+= processor.o
 obj-$(CONFIG_ACPI_CONTAINER)	+= container.o
 obj-$(CONFIG_ACPI_THERMAL)	+= thermal.o
+obj-$(CONFIG_ACPI_POWER)	+= power.o
 obj-$(CONFIG_ACPI_SYSTEM)	+= system.o event.o
 obj-$(CONFIG_ACPI_DEBUG)	+= debug.o
 obj-$(CONFIG_ACPI_NUMA)		+= numa.o
-- 
GitLab


From 8d281efb67463fe8aac8f6e10b31492fc218bf2b Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Wed, 22 Oct 2008 13:57:01 -0400
Subject: [PATCH 2034/2224] cifs: fix unlinking of rename target when server
 doesn't support open file renames

cifs: fix unlinking of rename target when server doesn't support open file renames

The patch to make cifs_rename undoable broke renaming one file on top of
another when the server doesn't support busy file renames. Remove the
code that uses busy file renames to unlink the target file, and just
have it call cifs_unlink. If the rename of the source file fails, then
the unlink won't be undoable, but hopefully that's rare enough that it
won't be a problem.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/inode.c | 87 +++++--------------------------------------------
 1 file changed, 8 insertions(+), 79 deletions(-)

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 8ac4eabc1f8..d54fa8aeaea 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1293,12 +1293,9 @@ int cifs_rename(struct inode *source_dir, struct dentry *source_dentry,
 	struct cifs_sb_info *cifs_sb_source;
 	struct cifs_sb_info *cifs_sb_target;
 	struct cifsTconInfo *tcon;
-	struct cifsInodeInfo *target_cinode;
 	FILE_UNIX_BASIC_INFO *info_buf_source = NULL;
 	FILE_UNIX_BASIC_INFO *info_buf_target;
-	__u16 dstfid;
-	int xid, rc, tmprc, oplock = 0;
-	bool delete_already_pending;
+	int xid, rc, tmprc;
 
 	cifs_sb_target = CIFS_SB(target_dir->i_sb);
 	cifs_sb_source = CIFS_SB(source_dir->i_sb);
@@ -1348,104 +1345,36 @@ int cifs_rename(struct inode *source_dir, struct dentry *source_dentry,
 		}
 
 		info_buf_target = info_buf_source + 1;
-		rc = CIFSSMBUnixQPathInfo(xid, tcon, fromName,
+		tmprc = CIFSSMBUnixQPathInfo(xid, tcon, fromName,
 					info_buf_source,
 					cifs_sb_source->local_nls,
 					cifs_sb_source->mnt_cifs_flags &
 					CIFS_MOUNT_MAP_SPECIAL_CHR);
-		if (rc != 0)
+		if (tmprc != 0)
 			goto unlink_target;
 
-		rc = CIFSSMBUnixQPathInfo(xid, tcon,
+		tmprc = CIFSSMBUnixQPathInfo(xid, tcon,
 					toName, info_buf_target,
 					cifs_sb_target->local_nls,
 					/* remap based on source sb */
 					cifs_sb_source->mnt_cifs_flags &
 					CIFS_MOUNT_MAP_SPECIAL_CHR);
 
-		if (rc == 0 && (info_buf_source->UniqueId ==
-				info_buf_target->UniqueId))
+		if (tmprc == 0 && (info_buf_source->UniqueId ==
+				   info_buf_target->UniqueId))
 			/* same file, POSIX says that this is a noop */
 			goto cifs_rename_exit;
-
-		rc = -EEXIST;
 	} /* else ... BB we could add the same check for Windows by
 		     checking the UniqueId via FILE_INTERNAL_INFO */
 
-	if ((rc == -EACCES) || (rc == -EEXIST)) {
 unlink_target:
-		/* don't bother if this is a negative dentry */
-		if (!target_dentry->d_inode)
-			goto cifs_rename_exit;
-
-		target_cinode = CIFS_I(target_dentry->d_inode);
-
-		/* try to move the target out of the way */
-		tmprc = CIFSSMBOpen(xid, tcon, toName, FILE_OPEN, DELETE,
-				    CREATE_NOT_DIR, &dstfid, &oplock, NULL,
-				    cifs_sb_target->local_nls,
-				    cifs_sb_target->mnt_cifs_flags &
-					CIFS_MOUNT_MAP_SPECIAL_CHR);
+	if ((rc == -EACCES) || (rc == -EEXIST)) {
+		tmprc = cifs_unlink(target_dir, target_dentry);
 		if (tmprc)
 			goto cifs_rename_exit;
 
-		/* rename the file to random name */
-		tmprc = CIFSSMBRenameOpenFile(xid, tcon, dstfid, NULL,
-					      cifs_sb_target->local_nls,
-					      cifs_sb_target->mnt_cifs_flags &
-						CIFS_MOUNT_MAP_SPECIAL_CHR);
-
-		if (tmprc)
-			goto close_target;
-
-		delete_already_pending = target_cinode->delete_pending;
-
-		if (!delete_already_pending) {
-			/* set delete on close */
-			tmprc = CIFSSMBSetFileDisposition(xid, tcon,
-							  true, dstfid,
-							  current->tgid);
-			/*
-			 * This hack is for broken samba servers, remove this
-			 * once more fixed ones are in the field.
-			 */
-			if (tmprc == -ENOENT)
-				delete_already_pending = false;
-			else if (tmprc)
-				goto undo_target_rename;
-
-			target_cinode->delete_pending = true;
-		}
-
-
 		rc = cifs_do_rename(xid, source_dentry, fromName,
 				    target_dentry, toName);
-
-		if (rc == 0)
-			goto close_target;
-
-		/*
-		 * after this point, we can't bother with error handling on
-		 * the undo's. This is best effort since we can't do anything
-		 * about failures here.
-		 */
-		if (!delete_already_pending) {
-			tmprc = CIFSSMBSetFileDisposition(xid, tcon,
-							  false, dstfid,
-							  current->tgid);
-			if (tmprc == 0)
-				target_cinode->delete_pending = false;
-		}
-
-undo_target_rename:
-		/* rename failed: undo target rename */
-		CIFSSMBRenameOpenFile(xid, tcon, dstfid,
-				      target_dentry->d_name.name,
-				      cifs_sb_target->local_nls,
-				      cifs_sb_target->mnt_cifs_flags &
-					CIFS_MOUNT_MAP_SPECIAL_CHR);
-close_target:
-		CIFSSMBClose(xid, tcon, dstfid);
 	}
 
 cifs_rename_exit:
-- 
GitLab


From e0037df3852b4b60edbe01f70f4968e4a9fdb272 Mon Sep 17 00:00:00 2001
From: Andrea Shepard <andrea@persephoneslair.org>
Date: Sun, 19 Oct 2008 23:33:03 -0700
Subject: [PATCH 2035/2224] sparc64: Fix race in
 arch/sparc64/kernel/trampoline.S

Make arch/sparc64/kernel/trampoline.S in 2.6.27.1 lock prom_entry_lock
when calling the PROM.  This prevents a race condition that I observed
causing a hang on startup on a 12-CPU E4500.

I am not subscribed to this list, so please CC me on replies.

Signed-off-by: Andrea Shepard <andrea@persephoneslair.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc64/kernel/trampoline.S | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/arch/sparc64/kernel/trampoline.S b/arch/sparc64/kernel/trampoline.S
index 704a3afcfd0..83abd5ae88a 100644
--- a/arch/sparc64/kernel/trampoline.S
+++ b/arch/sparc64/kernel/trampoline.S
@@ -328,6 +328,12 @@ after_lock_tlb:
 
 	wrpr		%g0, 0, %wstate
 
+	sethi		%hi(prom_entry_lock), %g2
+1:	ldstub		[%g2 + %lo(prom_entry_lock)], %g1
+	membar		#StoreLoad | #StoreStore
+	brnz,pn		%g1, 1b
+	 nop
+
 	/* As a hack, put &init_thread_union into %g6.
 	 * prom_world() loads from here to restore the %asi
 	 * register.
@@ -337,7 +343,7 @@ after_lock_tlb:
 
 	sethi		%hi(is_sun4v), %o0
 	lduw		[%o0 + %lo(is_sun4v)], %o0
-	brz,pt		%o0, 1f
+	brz,pt		%o0, 2f
 	 nop
 
 	TRAP_LOAD_TRAP_BLOCK(%g2, %g3)
@@ -369,10 +375,10 @@ after_lock_tlb:
 	call		%o1
 	 add		%sp, (2047 + 128), %o0
 
-	ba,pt		%xcc, 2f
+	ba,pt		%xcc, 3f
 	 nop
 
-1:	sethi		%hi(sparc64_ttable_tl0), %o0
+2:	sethi		%hi(sparc64_ttable_tl0), %o0
 	set		prom_set_trap_table_name, %g2
 	stx		%g2, [%sp + 2047 + 128 + 0x00]
 	mov		1, %g2
@@ -386,7 +392,11 @@ after_lock_tlb:
 	call		%o1
 	 add		%sp, (2047 + 128), %o0
 
-2:	ldx		[%l0], %g6
+3:	sethi		%hi(prom_entry_lock), %g2
+	stb		%g0, [%g2 + %lo(prom_entry_lock)]
+	membar		#StoreStore | #StoreLoad
+
+	ldx		[%l0], %g6
 	ldx		[%g6 + TI_TASK], %g4
 
 	mov		1, %g5
-- 
GitLab


From a1731e5b9aa236dfa51a82799dc91c56611ddaab Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Tue, 21 Oct 2008 21:55:33 -0700
Subject: [PATCH 2036/2224] sparc: correct section of apc_no_idle

The latest mainline gives this section mismatch on sparc:

The function __devinit apc_probe() references
a variable __initdata apc_no_idle.
If apc_no_idle is only used by apc_probe then
annotate apc_no_idle with a matching annotation.

Since the commit 7e7e2f035663c5ceb029bfb9d91e75099b0a5625,
apc_probe() is on __devinit so we have to correct apc_no_idle
which is referenced by this function.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/apc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index 4dd1ba752ce..9c115823c4b 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -31,7 +31,7 @@
 #define APC_DEVNAME "apc"
 
 static u8 __iomem *regs;
-static int apc_no_idle __initdata = 0;
+static int apc_no_idle __devinitdata = 0;
 
 #define apc_readb(offs)		(sbus_readb(regs+offs))
 #define apc_writeb(val, offs) 	(sbus_writeb(val, regs+offs))
-- 
GitLab


From 8dd9453737822469837d48d5da3785ce70fb2118 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Tue, 21 Oct 2008 21:56:42 -0700
Subject: [PATCH 2037/2224] sparc: correct section of current_pc()

Latest mainline gives this section mismatch on sparc:

The function current_pc() references
the variable __init no_sun4u_here.
This is often because current_pc lacks a __init
annotation or the annotation of no_sun4u_here is wrong.

Since current_pc() is used only in early time, it is correct to
put it in .init section.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/kernel/head.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/sparc/kernel/head.S b/arch/sparc/kernel/head.S
index 2d325fd8457..2fe2c117e77 100644
--- a/arch/sparc/kernel/head.S
+++ b/arch/sparc/kernel/head.S
@@ -465,6 +465,7 @@ gokernel:
 		mov	%o7, %g4		! Save %o7
 
 		/* Jump to it, and pray... */
+		__INIT
 current_pc:
 		call	1f
 		 nop
-- 
GitLab


From d41e2d7317cd55cc5135356a05c289537b0f6d70 Mon Sep 17 00:00:00 2001
From: Martin Habets <errandir_news@mph.eclipse.co.uk>
Date: Tue, 21 Oct 2008 21:58:29 -0700
Subject: [PATCH 2038/2224] sparc: Add checkstack support

Add sparc support to checkstack.

Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 scripts/checkstack.pl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index f7e8e93ff30..14ee68e991d 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -14,6 +14,7 @@
 #	M68k port by Geert Uytterhoeven and Andreas Schwab
 #	AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com>
 #	PARISC port by Kyle McMartin <kyle@parisc-linux.org>
+#	sparc port by Martin Habets <errandir_news@mph.eclipse.co.uk>
 #
 #	Usage:
 #	objdump -d vmlinux | scripts/checkstack.pl [arch]
@@ -94,6 +95,9 @@ my (@stack, $re, $dre, $x, $xs);
 	} elsif ($arch =~ /^blackfin$/) {
 		#   0:   00 e8 38 01     LINK 0x4e0;
 		$re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o;
+	} elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
+		# f0019d10:       9d e3 bf 90     save  %sp, -112, %sp
+		$re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
 	} else {
 		print("wrong or unknown architecture \"$arch\"\n");
 		exit
-- 
GitLab


From 930cc144a043ff95e56b6888fa51c618b33f89e7 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Tue, 21 Oct 2008 22:19:00 -0700
Subject: [PATCH 2039/2224] math-emu: Fix signalling of underflow and inexact
 while packing result.

I'm trying to move the powerpc math-emu code to use the include/math-emu bits.

In doing so I've been using TestFloat to see how good or bad we are
doing.  For the most part the current math-emu code that PPC uses has
a number of issues that the code in include/math-emu seems to solve
(plus bugs we've had for ever that no one every realized).

Anyways, I've come across a case that we are flagging underflow and
inexact because we think we have a denormalized result from a double
precision divide:

000.FFFFFFFFFFFFF / 3FE.FFFFFFFFFFFFE
	soft: 001.0000000000000 .....  syst: 001.0000000000000 ...ux

What it looks like is the results out of FP_DIV_D are:

D:
sign:	  0
mantissa: 01000000 00000000
exp:	 -1023 (0)

The problem seems like we aren't normalizing the result and bumping the exp.

Now that I'm digging into this a bit I'm thinking my issue has to do with
the fix DaveM put in place from back in Aug 2007 (commit
405849610fd96b4f34cd1875c4c033228fea6c0f):

[MATH-EMU]: Fix underflow exception reporting.

    2) we ended up rounding back up to normal (this is the case where
       we set the exponent to 1 and set the fraction to zero), this
       should set inexact too
...

    Another example, "0x0.0000000000001p-1022 / 16.0", should signal both
    inexact and underflow.  The cpu implementations and ieee1754
    literature is very clear about this.  This is case #2 above.

Here is the distilled glibc test case from Jakub Jelinek which prompted that
commit:

--------------------
#include <float.h>
#include <fenv.h>
#include <stdio.h>

volatile double d = DBL_MIN;
volatile double e = 0x0.0000000000001p-1022;
volatile double f = 16.0;
int
main (void)
{
  printf ("%x\n", fetestexcept (FE_UNDERFLOW));
  d /= f;
  printf ("%x\n", fetestexcept (FE_UNDERFLOW));
  e /= f;
  printf ("%x\n", fetestexcept (FE_UNDERFLOW));
  return 0;
}
--------------------

It looks like the case I have we are exact before rounding, but think it
looks like the rounding case since it appears as if "overflow is set".

000.FFFFFFFFFFFFF / 3FE.FFFFFFFFFFFFE = 001.0000000000000

I think the following adds the check for my case and still works for the
issue your commit was trying to resolve.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/math-emu/op-common.h | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
index cc1ec396f8d..bc50aa0d6d7 100644
--- a/include/math-emu/op-common.h
+++ b/include/math-emu/op-common.h
@@ -139,18 +139,27 @@ do {								\
 	if (X##_e <= _FP_WFRACBITS_##fs)			\
 	  {							\
 	    _FP_FRAC_SRS_##wc(X, X##_e, _FP_WFRACBITS_##fs);	\
-	    _FP_ROUND(wc, X);					\
 	    if (_FP_FRAC_HIGH_##fs(X)				\
 		& (_FP_OVERFLOW_##fs >> 1))			\
 	      {							\
 	        X##_e = 1;					\
 	        _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);	\
-	        FP_SET_EXCEPTION(FP_EX_INEXACT);		\
 	      }							\
 	    else						\
 	      {							\
-		X##_e = 0;					\
-		_FP_FRAC_SRL_##wc(X, _FP_WORKBITS);		\
+		_FP_ROUND(wc, X);				\
+		if (_FP_FRAC_HIGH_##fs(X)			\
+		   & (_FP_OVERFLOW_##fs >> 1))			\
+		  {						\
+		    X##_e = 1;					\
+		    _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc);	\
+		    FP_SET_EXCEPTION(FP_EX_INEXACT);		\
+		  }						\
+		else						\
+		  {						\
+		    X##_e = 0;					\
+		    _FP_FRAC_SRL_##wc(X, _FP_WORKBITS);		\
+		  }						\
 	      }							\
 	    if ((FP_CUR_EXCEPTIONS & FP_EX_INEXACT) ||		\
 		(FP_TRAPPING_EXCEPTIONS & FP_EX_UNDERFLOW))	\
-- 
GitLab


From b1c8d2b421376bc941823ee93e36cb491609b02c Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@redhat.com>
Date: Wed, 22 Oct 2008 13:57:07 -0400
Subject: [PATCH 2040/2224] cifs: handle the TCP_Server_Info->tsk field more
 carefully

cifs: handle the TCP_Server_Info->tsk field more carefully

We currently handle the TCP_Server_Info->tsk field without any locking,
but with some half-measures to try and prevent races. These aren't
really sufficient though. When taking down cifsd, use xchg() to swap
the contents of the tsk field with NULL so we don't end up trying
to send it more than one signal. Also, don't allow cifsd to exit until
the signal is received if we expect one.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
---
 fs/cifs/connect.c | 41 ++++++++++++++++++++++++++++-------------
 1 file changed, 28 insertions(+), 13 deletions(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f51b79a67e1..71b7661e226 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -750,6 +750,7 @@ multi_t2_fnd:
 	write_unlock(&GlobalSMBSeslock);
 
 	kfree(server->hostname);
+	task_to_wake = xchg(&server->tsk, NULL);
 	kfree(server);
 
 	length = atomic_dec_return(&tcpSesAllocCount);
@@ -757,6 +758,16 @@ multi_t2_fnd:
 		mempool_resize(cifs_req_poolp, length + cifs_min_rcv,
 				GFP_KERNEL);
 
+	/* if server->tsk was NULL then wait for a signal before exiting */
+	if (!task_to_wake) {
+		set_current_state(TASK_INTERRUPTIBLE);
+		while (!signal_pending(current)) {
+			schedule();
+			set_current_state(TASK_INTERRUPTIBLE);
+		}
+		set_current_state(TASK_RUNNING);
+	}
+
 	return 0;
 }
 
@@ -1846,6 +1857,16 @@ convert_delimiter(char *path, char delim)
 	}
 }
 
+static void
+kill_cifsd(struct TCP_Server_Info *server)
+{
+	struct task_struct *task;
+
+	task = xchg(&server->tsk, NULL);
+	if (task)
+		force_sig(SIGKILL, task);
+}
+
 int
 cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 	   char *mount_data, const char *devname)
@@ -2233,7 +2254,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 			spin_lock(&GlobalMid_Lock);
 			srvTcp->tcpStatus = CifsExiting;
 			spin_unlock(&GlobalMid_Lock);
-			force_sig(SIGKILL, srvTcp->tsk);
+			kill_cifsd(srvTcp);
 		}
 		 /* If find_unc succeeded then rc == 0 so we can not end */
 		if (tcon)  /* up accidently freeing someone elses tcon struct */
@@ -2246,19 +2267,15 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
 					temp_rc = CIFSSMBLogoff(xid, pSesInfo);
 					/* if the socketUseCount is now zero */
 					if ((temp_rc == -ESHUTDOWN) &&
-					    (pSesInfo->server) &&
-					    (pSesInfo->server->tsk))
-						force_sig(SIGKILL,
-							pSesInfo->server->tsk);
+					    (pSesInfo->server))
+						kill_cifsd(pSesInfo->server);
 				} else {
 					cFYI(1, ("No session or bad tcon"));
-					if ((pSesInfo->server) &&
-					    (pSesInfo->server->tsk)) {
+					if (pSesInfo->server) {
 						spin_lock(&GlobalMid_Lock);
 						srvTcp->tcpStatus = CifsExiting;
 						spin_unlock(&GlobalMid_Lock);
-						force_sig(SIGKILL,
-							pSesInfo->server->tsk);
+						kill_cifsd(pSesInfo->server);
 					}
 				}
 				sesInfoFree(pSesInfo);
@@ -3545,7 +3562,6 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
 	int rc = 0;
 	int xid;
 	struct cifsSesInfo *ses = NULL;
-	struct task_struct *cifsd_task;
 	char *tmp;
 
 	xid = GetXid();
@@ -3561,7 +3577,6 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
 		tconInfoFree(cifs_sb->tcon);
 		if ((ses) && (ses->server)) {
 			/* save off task so we do not refer to ses later */
-			cifsd_task = ses->server->tsk;
 			cFYI(1, ("About to do SMBLogoff "));
 			rc = CIFSSMBLogoff(xid, ses);
 			if (rc == -EBUSY) {
@@ -3569,8 +3584,8 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
 				return 0;
 			} else if (rc == -ESHUTDOWN) {
 				cFYI(1, ("Waking up socket by sending signal"));
-				if (cifsd_task)
-					force_sig(SIGKILL, cifsd_task);
+				if (ses->server)
+					kill_cifsd(ses->server);
 				rc = 0;
 			} /* else - we have an smb session
 				left on this socket do not kill cifsd */
-- 
GitLab


From 60b8267338aafde5315fc65ff385f3d4d75eccfe Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 22 Oct 2008 22:09:59 -0700
Subject: [PATCH 2041/2224] math-emu: Fix thinko in _FP_DIV

In commit 48d6c64311ddb6417b901639530ccbc47bdc7635 ("math-emu: Add
support for reporting exact invalid exception") code was added to
set the new FP_EX_INVALID_{IDI,ZDZ} exception flag bits.

However there is a missing break statement for the
_FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF) switch case, the
code just falls into _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO)
which then proceeds to overwrite all of the settings.

Fix by adding the missing break.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/math-emu/op-common.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
index bc50aa0d6d7..f456534dcaf 100644
--- a/include/math-emu/op-common.h
+++ b/include/math-emu/op-common.h
@@ -503,6 +503,8 @@ do {							\
     R##_c = FP_CLS_NAN;					\
     _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs);		\
     FP_SET_EXCEPTION(FP_EX_INVALID | FP_EX_INVALID_IDI);\
+    break;						\
+							\
   case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO):	\
     R##_s = _FP_NANSIGN_##fs;				\
     R##_c = FP_CLS_NAN;					\
-- 
GitLab


From 3262a8f2bf686ced3a6ce8dee013ddf85511fbb6 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Thu, 23 Oct 2008 01:47:29 -0400
Subject: [PATCH 2042/2224] ACPI: fix ia64 build warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

arch/ia64/sn/kernel/io_acpi_init.c:361: warning: format ‘%lx’ expects type ‘long unsigned int’, but argument 3 has type ‘long long unsigned int’

Signed-off-by: Len Brown <len.brown@intel.com>
---
 arch/ia64/sn/kernel/io_acpi_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index a15baacaba4..bc610a6c785 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -357,7 +357,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
         if (ACPI_SUCCESS(status)) {
 		if (segment != pci_domain_nr(dev)) {
 			printk(KERN_ERR
-			       "%s: Segment number mismatch, 0x%lx vs 0x%x for: ",
+			       "%s: Segment number mismatch, 0x%llx vs 0x%x for: ",
 			       __func__, segment, pci_domain_nr(dev));
 			acpi_ns_print_node_pathname(rootbus_handle, NULL);
 			printk("\n");
-- 
GitLab


From 8569c9140bd41089f9b6be8837ca421102714a90 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 17 Aug 2008 13:48:37 -0400
Subject: [PATCH 2043/2224] x86, um: take arch/um/include/* out of the way

We can't just plop asm/* into it - userland helpers are built with it
in search path and seeing asm/* show up there suddenly would be a bad
idea.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                              | 51 +++++++++----------
 arch/um/include/{ => shared}/aio.h            |  0
 arch/um/include/{ => shared}/arch.h           |  0
 arch/um/include/{ => shared}/as-layout.h      |  0
 arch/um/include/{ => shared}/chan_kern.h      |  0
 arch/um/include/{ => shared}/chan_user.h      |  0
 arch/um/include/{ => shared}/common-offsets.h |  0
 arch/um/include/{ => shared}/elf_user.h       |  0
 arch/um/include/{ => shared}/frame_kern.h     |  0
 arch/um/include/{ => shared}/init.h           |  0
 arch/um/include/{ => shared}/initrd.h         |  0
 arch/um/include/{ => shared}/irq_kern.h       |  0
 arch/um/include/{ => shared}/irq_user.h       |  0
 arch/um/include/{ => shared}/kern.h           |  0
 arch/um/include/{ => shared}/kern_util.h      |  0
 arch/um/include/{ => shared}/line.h           |  0
 arch/um/include/{ => shared}/longjmp.h        |  0
 arch/um/include/{ => shared}/mconsole.h       |  0
 arch/um/include/{ => shared}/mconsole_kern.h  |  0
 arch/um/include/{ => shared}/mem.h            |  0
 arch/um/include/{ => shared}/mem_kern.h       |  0
 arch/um/include/{ => shared}/mem_user.h       |  0
 arch/um/include/{ => shared}/net_kern.h       |  0
 arch/um/include/{ => shared}/net_user.h       |  0
 arch/um/include/{ => shared}/os.h             |  2 +-
 arch/um/include/{ => shared}/process.h        |  0
 arch/um/include/{ => shared}/ptrace_user.h    |  0
 arch/um/include/{ => shared}/registers.h      |  0
 arch/um/include/{ => shared}/sigcontext.h     |  0
 arch/um/include/{ => shared}/sigio.h          |  0
 arch/um/include/{ => shared}/skas/mm_id.h     |  0
 arch/um/include/{ => shared}/skas/proc_mm.h   |  0
 arch/um/include/{ => shared}/skas/skas.h      |  0
 arch/um/include/{ => shared}/skas/stub-data.h |  0
 arch/um/include/{ => shared}/skas_ptrace.h    |  0
 arch/um/include/{ => shared}/skas_ptregs.h    |  0
 arch/um/include/{ => shared}/syscall.h        |  0
 .../{ => shared}/sysdep-i386/archsetjmp.h     |  0
 .../{ => shared}/sysdep-i386/barrier.h        |  0
 .../{ => shared}/sysdep-i386/checksum.h       |  0
 .../{ => shared}/sysdep-i386/faultinfo.h      |  0
 .../{ => shared}/sysdep-i386/kernel-offsets.h |  0
 .../include/{ => shared}/sysdep-i386/ptrace.h |  0
 .../{ => shared}/sysdep-i386/ptrace_user.h    |  0
 arch/um/include/{ => shared}/sysdep-i386/sc.h |  0
 .../{ => shared}/sysdep-i386/sigcontext.h     |  0
 .../{ => shared}/sysdep-i386/skas_ptrace.h    |  0
 .../include/{ => shared}/sysdep-i386/stub.h   |  0
 .../{ => shared}/sysdep-i386/syscalls.h       |  0
 .../um/include/{ => shared}/sysdep-i386/tls.h |  0
 .../include/{ => shared}/sysdep-ia64/ptrace.h |  0
 .../{ => shared}/sysdep-ia64/sigcontext.h     |  0
 .../{ => shared}/sysdep-ia64/skas_ptrace.h    |  0
 .../{ => shared}/sysdep-ia64/syscalls.h       |  0
 .../include/{ => shared}/sysdep-ppc/ptrace.h  |  0
 .../{ => shared}/sysdep-ppc/sigcontext.h      |  0
 .../{ => shared}/sysdep-ppc/skas_ptrace.h     |  0
 .../{ => shared}/sysdep-ppc/syscalls.h        |  0
 .../{ => shared}/sysdep-x86_64/archsetjmp.h   |  0
 .../{ => shared}/sysdep-x86_64/barrier.h      |  0
 .../{ => shared}/sysdep-x86_64/checksum.h     |  0
 .../{ => shared}/sysdep-x86_64/faultinfo.h    |  0
 .../sysdep-x86_64/kernel-offsets.h            |  0
 .../{ => shared}/sysdep-x86_64/ptrace.h       |  0
 .../{ => shared}/sysdep-x86_64/ptrace_user.h  |  0
 .../include/{ => shared}/sysdep-x86_64/sc.h   |  0
 .../{ => shared}/sysdep-x86_64/sigcontext.h   |  0
 .../{ => shared}/sysdep-x86_64/skas_ptrace.h  |  0
 .../include/{ => shared}/sysdep-x86_64/stub.h |  0
 .../{ => shared}/sysdep-x86_64/syscalls.h     |  0
 .../include/{ => shared}/sysdep-x86_64/tls.h  |  0
 arch/um/include/{ => shared}/sysrq.h          |  0
 arch/um/include/{ => shared}/task.h           |  0
 arch/um/include/{ => shared}/tlb.h            |  0
 arch/um/include/{ => shared}/ubd_user.h       |  0
 arch/um/include/{ => shared}/um_malloc.h      |  0
 arch/um/include/{ => shared}/um_mmu.h         |  0
 arch/um/include/{ => shared}/um_uaccess.h     |  0
 arch/um/include/{ => shared}/user.h           |  0
 79 files changed, 26 insertions(+), 27 deletions(-)
 rename arch/um/include/{ => shared}/aio.h (100%)
 rename arch/um/include/{ => shared}/arch.h (100%)
 rename arch/um/include/{ => shared}/as-layout.h (100%)
 rename arch/um/include/{ => shared}/chan_kern.h (100%)
 rename arch/um/include/{ => shared}/chan_user.h (100%)
 rename arch/um/include/{ => shared}/common-offsets.h (100%)
 rename arch/um/include/{ => shared}/elf_user.h (100%)
 rename arch/um/include/{ => shared}/frame_kern.h (100%)
 rename arch/um/include/{ => shared}/init.h (100%)
 rename arch/um/include/{ => shared}/initrd.h (100%)
 rename arch/um/include/{ => shared}/irq_kern.h (100%)
 rename arch/um/include/{ => shared}/irq_user.h (100%)
 rename arch/um/include/{ => shared}/kern.h (100%)
 rename arch/um/include/{ => shared}/kern_util.h (100%)
 rename arch/um/include/{ => shared}/line.h (100%)
 rename arch/um/include/{ => shared}/longjmp.h (100%)
 rename arch/um/include/{ => shared}/mconsole.h (100%)
 rename arch/um/include/{ => shared}/mconsole_kern.h (100%)
 rename arch/um/include/{ => shared}/mem.h (100%)
 rename arch/um/include/{ => shared}/mem_kern.h (100%)
 rename arch/um/include/{ => shared}/mem_user.h (100%)
 rename arch/um/include/{ => shared}/net_kern.h (100%)
 rename arch/um/include/{ => shared}/net_user.h (100%)
 rename arch/um/include/{ => shared}/os.h (99%)
 rename arch/um/include/{ => shared}/process.h (100%)
 rename arch/um/include/{ => shared}/ptrace_user.h (100%)
 rename arch/um/include/{ => shared}/registers.h (100%)
 rename arch/um/include/{ => shared}/sigcontext.h (100%)
 rename arch/um/include/{ => shared}/sigio.h (100%)
 rename arch/um/include/{ => shared}/skas/mm_id.h (100%)
 rename arch/um/include/{ => shared}/skas/proc_mm.h (100%)
 rename arch/um/include/{ => shared}/skas/skas.h (100%)
 rename arch/um/include/{ => shared}/skas/stub-data.h (100%)
 rename arch/um/include/{ => shared}/skas_ptrace.h (100%)
 rename arch/um/include/{ => shared}/skas_ptregs.h (100%)
 rename arch/um/include/{ => shared}/syscall.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/archsetjmp.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/barrier.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/checksum.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/faultinfo.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/kernel-offsets.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/ptrace_user.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/sc.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/sigcontext.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/skas_ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/stub.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/syscalls.h (100%)
 rename arch/um/include/{ => shared}/sysdep-i386/tls.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ia64/ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ia64/sigcontext.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ia64/skas_ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ia64/syscalls.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ppc/ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ppc/sigcontext.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ppc/skas_ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-ppc/syscalls.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/archsetjmp.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/barrier.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/checksum.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/faultinfo.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/kernel-offsets.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/ptrace_user.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/sc.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/sigcontext.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/skas_ptrace.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/stub.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/syscalls.h (100%)
 rename arch/um/include/{ => shared}/sysdep-x86_64/tls.h (100%)
 rename arch/um/include/{ => shared}/sysrq.h (100%)
 rename arch/um/include/{ => shared}/task.h (100%)
 rename arch/um/include/{ => shared}/tlb.h (100%)
 rename arch/um/include/{ => shared}/ubd_user.h (100%)
 rename arch/um/include/{ => shared}/um_malloc.h (100%)
 rename arch/um/include/{ => shared}/um_mmu.h (100%)
 rename arch/um/include/{ => shared}/um_uaccess.h (100%)
 rename arch/um/include/{ => shared}/user.h (100%)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index ca40397017b..88c5b0a5277 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -28,18 +28,18 @@ SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header))
 #
 # These are cleaned up during mrproper. Please DO NOT fix it again, this is
 # the Correct Thing(tm) to do!
-ARCH_SYMLINKS = include/asm-um/arch $(ARCH_DIR)/include/sysdep $(ARCH_DIR)/os \
-	$(SYMLINK_HEADERS) $(ARCH_DIR)/include/uml-config.h
+ARCH_SYMLINKS = include/asm-um/arch $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \
+	$(SYMLINK_HEADERS) $(ARCH_DIR)/include/shared/uml-config.h
 
-MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/skas
+MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
 
 include $(srctree)/$(ARCH_DIR)/Makefile-skas
 
-ARCH_INCLUDE	:= -I$(ARCH_DIR)/include
+ARCH_INCLUDE	:= -I$(ARCH_DIR)/include/shared
 ifneq ($(KBUILD_SRC),)
-ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include
+ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared
 endif
-SYS_DIR		:= $(ARCH_DIR)/include/sysdep-$(SUBARCH)
+SYS_DIR		:= $(ARCH_DIR)/include/shared/sysdep-$(SUBARCH)
 
 # -Dvmap=kernel_vmap prevents anything from referencing the libpcap.o symbol so
 # named - it's a common symbol in libpcap, so we get a binary which crashes.
@@ -96,11 +96,11 @@ endef
 ifneq ($(KBUILD_SRC),)
 $(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig.$(SUBARCH) $(ARCH_DIR)/Kconfig.arch)
 else
-$(shell cd $(ARCH_DIR) && ln -sf Kconfig.$(SUBARCH) Kconfig.arch)
+$(shell ln -fsn Kconfig.$(SUBARCH) $(ARCH_DIR)/Kconfig.arch)
 endif
 
-archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/user_constants.h
-prepare: $(ARCH_DIR)/include/kern_constants.h
+archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/shared/user_constants.h
+prepare: $(ARCH_DIR)/include/shared/kern_constants.h
 
 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
 LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
@@ -132,9 +132,9 @@ endef
 
 # When cleaning we don't include .config, so we don't include
 # TT or skas makefiles and don't clean skas_ptregs.h.
-CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \
-	$(ARCH_DIR)/include/user_constants.h \
-	$(ARCH_DIR)/include/kern_constants.h $(ARCH_DIR)/Kconfig.arch
+CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/shared/uml-config.h \
+	$(ARCH_DIR)/include/shared/user_constants.h \
+	$(ARCH_DIR)/include/shared/kern_constants.h $(ARCH_DIR)/Kconfig.arch
 
 MRPROPER_FILES += $(ARCH_SYMLINKS)
 
@@ -148,37 +148,36 @@ ifneq ($(KBUILD_SRC),)
 	$(Q)mkdir -p $(objtree)/include/asm-um
 	$(Q)ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
 else
-	$(Q)cd $(srctree)/$(dir $@) ; \
-	ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $(notdir $@)
+	$(Q)ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
 endif
 
 include/asm-um/arch:
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
 	$(Q)mkdir -p $(objtree)/include/asm-um
-	$(Q)ln -fsn $(srctree)/include/asm-$(HEADER_ARCH) include/asm-um/arch
+	$(Q)ln -fsn $(srctree)/include/asm-$(HEADER_ARCH) $@
 else
-	$(Q)cd $(srctree)/include/asm-um && ln -fsn ../asm-$(HEADER_ARCH) arch
+	$(Q)ln -fsn ../asm-$(HEADER_ARCH) $@
 endif
 
-$(objtree)/$(ARCH_DIR)/include:
+$(objtree)/$(ARCH_DIR)/include/shared:
 	@echo '  MKDIR $@'
 	$(Q)mkdir -p $@
 
-$(ARCH_DIR)/include/sysdep: $(objtree)/$(ARCH_DIR)/include
+$(ARCH_DIR)/include/shared/sysdep: $(objtree)/$(ARCH_DIR)/include/shared
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
-	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep
+	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/shared/sysdep-$(SUBARCH) $@
 else
-	$(Q)cd $(ARCH_DIR)/include && ln -fsn sysdep-$(SUBARCH) sysdep
+	$(Q)ln -fsn sysdep-$(SUBARCH) $@
 endif
 
 $(ARCH_DIR)/os:
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
-	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $(ARCH_DIR)/os
+	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $@
 else
-	$(Q)cd $(ARCH_DIR) && ln -fsn os-$(OS) os
+	$(Q)ln -fsn os-$(OS) $@
 endif
 
 # Generated files
@@ -186,7 +185,7 @@ define filechk_umlconfig
 	sed 's/ CONFIG/ UML_CONFIG/'
 endef
 
-$(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
+$(ARCH_DIR)/include/shared/uml-config.h : include/linux/autoconf.h
 	$(call filechk,umlconfig)
 
 $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
@@ -205,11 +204,11 @@ define filechk_gen-asm-offsets
          echo ""; )
 endef
 
-$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
+$(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
 	$(call filechk,gen-asm-offsets)
 
-$(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include
+$(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared
 	@echo '  SYMLINK $@'
-	$(Q)ln -sf ../../../include/asm-um/asm-offsets.h $@
+	$(Q)ln -sf ../../../../include/asm-um/asm-offsets.h $@
 
 export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH
diff --git a/arch/um/include/aio.h b/arch/um/include/shared/aio.h
similarity index 100%
rename from arch/um/include/aio.h
rename to arch/um/include/shared/aio.h
diff --git a/arch/um/include/arch.h b/arch/um/include/shared/arch.h
similarity index 100%
rename from arch/um/include/arch.h
rename to arch/um/include/shared/arch.h
diff --git a/arch/um/include/as-layout.h b/arch/um/include/shared/as-layout.h
similarity index 100%
rename from arch/um/include/as-layout.h
rename to arch/um/include/shared/as-layout.h
diff --git a/arch/um/include/chan_kern.h b/arch/um/include/shared/chan_kern.h
similarity index 100%
rename from arch/um/include/chan_kern.h
rename to arch/um/include/shared/chan_kern.h
diff --git a/arch/um/include/chan_user.h b/arch/um/include/shared/chan_user.h
similarity index 100%
rename from arch/um/include/chan_user.h
rename to arch/um/include/shared/chan_user.h
diff --git a/arch/um/include/common-offsets.h b/arch/um/include/shared/common-offsets.h
similarity index 100%
rename from arch/um/include/common-offsets.h
rename to arch/um/include/shared/common-offsets.h
diff --git a/arch/um/include/elf_user.h b/arch/um/include/shared/elf_user.h
similarity index 100%
rename from arch/um/include/elf_user.h
rename to arch/um/include/shared/elf_user.h
diff --git a/arch/um/include/frame_kern.h b/arch/um/include/shared/frame_kern.h
similarity index 100%
rename from arch/um/include/frame_kern.h
rename to arch/um/include/shared/frame_kern.h
diff --git a/arch/um/include/init.h b/arch/um/include/shared/init.h
similarity index 100%
rename from arch/um/include/init.h
rename to arch/um/include/shared/init.h
diff --git a/arch/um/include/initrd.h b/arch/um/include/shared/initrd.h
similarity index 100%
rename from arch/um/include/initrd.h
rename to arch/um/include/shared/initrd.h
diff --git a/arch/um/include/irq_kern.h b/arch/um/include/shared/irq_kern.h
similarity index 100%
rename from arch/um/include/irq_kern.h
rename to arch/um/include/shared/irq_kern.h
diff --git a/arch/um/include/irq_user.h b/arch/um/include/shared/irq_user.h
similarity index 100%
rename from arch/um/include/irq_user.h
rename to arch/um/include/shared/irq_user.h
diff --git a/arch/um/include/kern.h b/arch/um/include/shared/kern.h
similarity index 100%
rename from arch/um/include/kern.h
rename to arch/um/include/shared/kern.h
diff --git a/arch/um/include/kern_util.h b/arch/um/include/shared/kern_util.h
similarity index 100%
rename from arch/um/include/kern_util.h
rename to arch/um/include/shared/kern_util.h
diff --git a/arch/um/include/line.h b/arch/um/include/shared/line.h
similarity index 100%
rename from arch/um/include/line.h
rename to arch/um/include/shared/line.h
diff --git a/arch/um/include/longjmp.h b/arch/um/include/shared/longjmp.h
similarity index 100%
rename from arch/um/include/longjmp.h
rename to arch/um/include/shared/longjmp.h
diff --git a/arch/um/include/mconsole.h b/arch/um/include/shared/mconsole.h
similarity index 100%
rename from arch/um/include/mconsole.h
rename to arch/um/include/shared/mconsole.h
diff --git a/arch/um/include/mconsole_kern.h b/arch/um/include/shared/mconsole_kern.h
similarity index 100%
rename from arch/um/include/mconsole_kern.h
rename to arch/um/include/shared/mconsole_kern.h
diff --git a/arch/um/include/mem.h b/arch/um/include/shared/mem.h
similarity index 100%
rename from arch/um/include/mem.h
rename to arch/um/include/shared/mem.h
diff --git a/arch/um/include/mem_kern.h b/arch/um/include/shared/mem_kern.h
similarity index 100%
rename from arch/um/include/mem_kern.h
rename to arch/um/include/shared/mem_kern.h
diff --git a/arch/um/include/mem_user.h b/arch/um/include/shared/mem_user.h
similarity index 100%
rename from arch/um/include/mem_user.h
rename to arch/um/include/shared/mem_user.h
diff --git a/arch/um/include/net_kern.h b/arch/um/include/shared/net_kern.h
similarity index 100%
rename from arch/um/include/net_kern.h
rename to arch/um/include/shared/net_kern.h
diff --git a/arch/um/include/net_user.h b/arch/um/include/shared/net_user.h
similarity index 100%
rename from arch/um/include/net_user.h
rename to arch/um/include/shared/net_user.h
diff --git a/arch/um/include/os.h b/arch/um/include/shared/os.h
similarity index 99%
rename from arch/um/include/os.h
rename to arch/um/include/shared/os.h
index db5be46e3e1..2aaffa04fc8 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/shared/os.h
@@ -11,7 +11,7 @@
 #include "longjmp.h"
 #include "mm_id.h"
 #include "sysdep/tls.h"
-#include "../os/include/file.h"
+#include "../../os/include/file.h"
 
 #define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))
 
diff --git a/arch/um/include/process.h b/arch/um/include/shared/process.h
similarity index 100%
rename from arch/um/include/process.h
rename to arch/um/include/shared/process.h
diff --git a/arch/um/include/ptrace_user.h b/arch/um/include/shared/ptrace_user.h
similarity index 100%
rename from arch/um/include/ptrace_user.h
rename to arch/um/include/shared/ptrace_user.h
diff --git a/arch/um/include/registers.h b/arch/um/include/shared/registers.h
similarity index 100%
rename from arch/um/include/registers.h
rename to arch/um/include/shared/registers.h
diff --git a/arch/um/include/sigcontext.h b/arch/um/include/shared/sigcontext.h
similarity index 100%
rename from arch/um/include/sigcontext.h
rename to arch/um/include/shared/sigcontext.h
diff --git a/arch/um/include/sigio.h b/arch/um/include/shared/sigio.h
similarity index 100%
rename from arch/um/include/sigio.h
rename to arch/um/include/shared/sigio.h
diff --git a/arch/um/include/skas/mm_id.h b/arch/um/include/shared/skas/mm_id.h
similarity index 100%
rename from arch/um/include/skas/mm_id.h
rename to arch/um/include/shared/skas/mm_id.h
diff --git a/arch/um/include/skas/proc_mm.h b/arch/um/include/shared/skas/proc_mm.h
similarity index 100%
rename from arch/um/include/skas/proc_mm.h
rename to arch/um/include/shared/skas/proc_mm.h
diff --git a/arch/um/include/skas/skas.h b/arch/um/include/shared/skas/skas.h
similarity index 100%
rename from arch/um/include/skas/skas.h
rename to arch/um/include/shared/skas/skas.h
diff --git a/arch/um/include/skas/stub-data.h b/arch/um/include/shared/skas/stub-data.h
similarity index 100%
rename from arch/um/include/skas/stub-data.h
rename to arch/um/include/shared/skas/stub-data.h
diff --git a/arch/um/include/skas_ptrace.h b/arch/um/include/shared/skas_ptrace.h
similarity index 100%
rename from arch/um/include/skas_ptrace.h
rename to arch/um/include/shared/skas_ptrace.h
diff --git a/arch/um/include/skas_ptregs.h b/arch/um/include/shared/skas_ptregs.h
similarity index 100%
rename from arch/um/include/skas_ptregs.h
rename to arch/um/include/shared/skas_ptregs.h
diff --git a/arch/um/include/syscall.h b/arch/um/include/shared/syscall.h
similarity index 100%
rename from arch/um/include/syscall.h
rename to arch/um/include/shared/syscall.h
diff --git a/arch/um/include/sysdep-i386/archsetjmp.h b/arch/um/include/shared/sysdep-i386/archsetjmp.h
similarity index 100%
rename from arch/um/include/sysdep-i386/archsetjmp.h
rename to arch/um/include/shared/sysdep-i386/archsetjmp.h
diff --git a/arch/um/include/sysdep-i386/barrier.h b/arch/um/include/shared/sysdep-i386/barrier.h
similarity index 100%
rename from arch/um/include/sysdep-i386/barrier.h
rename to arch/um/include/shared/sysdep-i386/barrier.h
diff --git a/arch/um/include/sysdep-i386/checksum.h b/arch/um/include/shared/sysdep-i386/checksum.h
similarity index 100%
rename from arch/um/include/sysdep-i386/checksum.h
rename to arch/um/include/shared/sysdep-i386/checksum.h
diff --git a/arch/um/include/sysdep-i386/faultinfo.h b/arch/um/include/shared/sysdep-i386/faultinfo.h
similarity index 100%
rename from arch/um/include/sysdep-i386/faultinfo.h
rename to arch/um/include/shared/sysdep-i386/faultinfo.h
diff --git a/arch/um/include/sysdep-i386/kernel-offsets.h b/arch/um/include/shared/sysdep-i386/kernel-offsets.h
similarity index 100%
rename from arch/um/include/sysdep-i386/kernel-offsets.h
rename to arch/um/include/shared/sysdep-i386/kernel-offsets.h
diff --git a/arch/um/include/sysdep-i386/ptrace.h b/arch/um/include/shared/sysdep-i386/ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-i386/ptrace.h
rename to arch/um/include/shared/sysdep-i386/ptrace.h
diff --git a/arch/um/include/sysdep-i386/ptrace_user.h b/arch/um/include/shared/sysdep-i386/ptrace_user.h
similarity index 100%
rename from arch/um/include/sysdep-i386/ptrace_user.h
rename to arch/um/include/shared/sysdep-i386/ptrace_user.h
diff --git a/arch/um/include/sysdep-i386/sc.h b/arch/um/include/shared/sysdep-i386/sc.h
similarity index 100%
rename from arch/um/include/sysdep-i386/sc.h
rename to arch/um/include/shared/sysdep-i386/sc.h
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/shared/sysdep-i386/sigcontext.h
similarity index 100%
rename from arch/um/include/sysdep-i386/sigcontext.h
rename to arch/um/include/shared/sysdep-i386/sigcontext.h
diff --git a/arch/um/include/sysdep-i386/skas_ptrace.h b/arch/um/include/shared/sysdep-i386/skas_ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-i386/skas_ptrace.h
rename to arch/um/include/shared/sysdep-i386/skas_ptrace.h
diff --git a/arch/um/include/sysdep-i386/stub.h b/arch/um/include/shared/sysdep-i386/stub.h
similarity index 100%
rename from arch/um/include/sysdep-i386/stub.h
rename to arch/um/include/shared/sysdep-i386/stub.h
diff --git a/arch/um/include/sysdep-i386/syscalls.h b/arch/um/include/shared/sysdep-i386/syscalls.h
similarity index 100%
rename from arch/um/include/sysdep-i386/syscalls.h
rename to arch/um/include/shared/sysdep-i386/syscalls.h
diff --git a/arch/um/include/sysdep-i386/tls.h b/arch/um/include/shared/sysdep-i386/tls.h
similarity index 100%
rename from arch/um/include/sysdep-i386/tls.h
rename to arch/um/include/shared/sysdep-i386/tls.h
diff --git a/arch/um/include/sysdep-ia64/ptrace.h b/arch/um/include/shared/sysdep-ia64/ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-ia64/ptrace.h
rename to arch/um/include/shared/sysdep-ia64/ptrace.h
diff --git a/arch/um/include/sysdep-ia64/sigcontext.h b/arch/um/include/shared/sysdep-ia64/sigcontext.h
similarity index 100%
rename from arch/um/include/sysdep-ia64/sigcontext.h
rename to arch/um/include/shared/sysdep-ia64/sigcontext.h
diff --git a/arch/um/include/sysdep-ia64/skas_ptrace.h b/arch/um/include/shared/sysdep-ia64/skas_ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-ia64/skas_ptrace.h
rename to arch/um/include/shared/sysdep-ia64/skas_ptrace.h
diff --git a/arch/um/include/sysdep-ia64/syscalls.h b/arch/um/include/shared/sysdep-ia64/syscalls.h
similarity index 100%
rename from arch/um/include/sysdep-ia64/syscalls.h
rename to arch/um/include/shared/sysdep-ia64/syscalls.h
diff --git a/arch/um/include/sysdep-ppc/ptrace.h b/arch/um/include/shared/sysdep-ppc/ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-ppc/ptrace.h
rename to arch/um/include/shared/sysdep-ppc/ptrace.h
diff --git a/arch/um/include/sysdep-ppc/sigcontext.h b/arch/um/include/shared/sysdep-ppc/sigcontext.h
similarity index 100%
rename from arch/um/include/sysdep-ppc/sigcontext.h
rename to arch/um/include/shared/sysdep-ppc/sigcontext.h
diff --git a/arch/um/include/sysdep-ppc/skas_ptrace.h b/arch/um/include/shared/sysdep-ppc/skas_ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-ppc/skas_ptrace.h
rename to arch/um/include/shared/sysdep-ppc/skas_ptrace.h
diff --git a/arch/um/include/sysdep-ppc/syscalls.h b/arch/um/include/shared/sysdep-ppc/syscalls.h
similarity index 100%
rename from arch/um/include/sysdep-ppc/syscalls.h
rename to arch/um/include/shared/sysdep-ppc/syscalls.h
diff --git a/arch/um/include/sysdep-x86_64/archsetjmp.h b/arch/um/include/shared/sysdep-x86_64/archsetjmp.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/archsetjmp.h
rename to arch/um/include/shared/sysdep-x86_64/archsetjmp.h
diff --git a/arch/um/include/sysdep-x86_64/barrier.h b/arch/um/include/shared/sysdep-x86_64/barrier.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/barrier.h
rename to arch/um/include/shared/sysdep-x86_64/barrier.h
diff --git a/arch/um/include/sysdep-x86_64/checksum.h b/arch/um/include/shared/sysdep-x86_64/checksum.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/checksum.h
rename to arch/um/include/shared/sysdep-x86_64/checksum.h
diff --git a/arch/um/include/sysdep-x86_64/faultinfo.h b/arch/um/include/shared/sysdep-x86_64/faultinfo.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/faultinfo.h
rename to arch/um/include/shared/sysdep-x86_64/faultinfo.h
diff --git a/arch/um/include/sysdep-x86_64/kernel-offsets.h b/arch/um/include/shared/sysdep-x86_64/kernel-offsets.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/kernel-offsets.h
rename to arch/um/include/shared/sysdep-x86_64/kernel-offsets.h
diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/shared/sysdep-x86_64/ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/ptrace.h
rename to arch/um/include/shared/sysdep-x86_64/ptrace.h
diff --git a/arch/um/include/sysdep-x86_64/ptrace_user.h b/arch/um/include/shared/sysdep-x86_64/ptrace_user.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/ptrace_user.h
rename to arch/um/include/shared/sysdep-x86_64/ptrace_user.h
diff --git a/arch/um/include/sysdep-x86_64/sc.h b/arch/um/include/shared/sysdep-x86_64/sc.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/sc.h
rename to arch/um/include/shared/sysdep-x86_64/sc.h
diff --git a/arch/um/include/sysdep-x86_64/sigcontext.h b/arch/um/include/shared/sysdep-x86_64/sigcontext.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/sigcontext.h
rename to arch/um/include/shared/sysdep-x86_64/sigcontext.h
diff --git a/arch/um/include/sysdep-x86_64/skas_ptrace.h b/arch/um/include/shared/sysdep-x86_64/skas_ptrace.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/skas_ptrace.h
rename to arch/um/include/shared/sysdep-x86_64/skas_ptrace.h
diff --git a/arch/um/include/sysdep-x86_64/stub.h b/arch/um/include/shared/sysdep-x86_64/stub.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/stub.h
rename to arch/um/include/shared/sysdep-x86_64/stub.h
diff --git a/arch/um/include/sysdep-x86_64/syscalls.h b/arch/um/include/shared/sysdep-x86_64/syscalls.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/syscalls.h
rename to arch/um/include/shared/sysdep-x86_64/syscalls.h
diff --git a/arch/um/include/sysdep-x86_64/tls.h b/arch/um/include/shared/sysdep-x86_64/tls.h
similarity index 100%
rename from arch/um/include/sysdep-x86_64/tls.h
rename to arch/um/include/shared/sysdep-x86_64/tls.h
diff --git a/arch/um/include/sysrq.h b/arch/um/include/shared/sysrq.h
similarity index 100%
rename from arch/um/include/sysrq.h
rename to arch/um/include/shared/sysrq.h
diff --git a/arch/um/include/task.h b/arch/um/include/shared/task.h
similarity index 100%
rename from arch/um/include/task.h
rename to arch/um/include/shared/task.h
diff --git a/arch/um/include/tlb.h b/arch/um/include/shared/tlb.h
similarity index 100%
rename from arch/um/include/tlb.h
rename to arch/um/include/shared/tlb.h
diff --git a/arch/um/include/ubd_user.h b/arch/um/include/shared/ubd_user.h
similarity index 100%
rename from arch/um/include/ubd_user.h
rename to arch/um/include/shared/ubd_user.h
diff --git a/arch/um/include/um_malloc.h b/arch/um/include/shared/um_malloc.h
similarity index 100%
rename from arch/um/include/um_malloc.h
rename to arch/um/include/shared/um_malloc.h
diff --git a/arch/um/include/um_mmu.h b/arch/um/include/shared/um_mmu.h
similarity index 100%
rename from arch/um/include/um_mmu.h
rename to arch/um/include/shared/um_mmu.h
diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/shared/um_uaccess.h
similarity index 100%
rename from arch/um/include/um_uaccess.h
rename to arch/um/include/shared/um_uaccess.h
diff --git a/arch/um/include/user.h b/arch/um/include/shared/user.h
similarity index 100%
rename from arch/um/include/user.h
rename to arch/um/include/shared/user.h
-- 
GitLab


From 8ede0bdb63305d3353efd97e9af6210afb05734e Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 17 Aug 2008 19:13:17 -0400
Subject: [PATCH 2044/2224] x86, um: initial part of asm-um move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                                | 17 +++++++++--------
 .../asm-um => arch/um/include/asm}/a.out-core.h |  0
 {include/asm-um => arch/um/include/asm}/a.out.h |  0
 .../um/include/asm}/alternative-asm.h           |  0
 .../um/include/asm}/alternative.h               |  0
 {include/asm-um => arch/um/include/asm}/apic.h  |  0
 .../um/include/asm}/archparam-i386.h            |  0
 .../um/include/asm}/archparam-ppc.h             |  0
 .../um/include/asm}/archparam-x86_64.h          |  0
 {include/asm-um => arch/um/include/asm}/asm.h   |  0
 .../asm-um => arch/um/include/asm}/atomic.h     |  0
 .../asm-um => arch/um/include/asm}/auxvec.h     |  0
 .../asm-um => arch/um/include/asm}/bitops.h     |  0
 {include/asm-um => arch/um/include/asm}/boot.h  |  0
 {include/asm-um => arch/um/include/asm}/bug.h   |  0
 {include/asm-um => arch/um/include/asm}/bugs.h  |  0
 .../asm-um => arch/um/include/asm}/byteorder.h  |  0
 {include/asm-um => arch/um/include/asm}/cache.h |  0
 .../asm-um => arch/um/include/asm}/cacheflush.h |  0
 .../asm-um => arch/um/include/asm}/calling.h    |  0
 .../asm-um => arch/um/include/asm}/checksum.h   |  0
 .../asm-um => arch/um/include/asm}/cmpxchg.h    |  0
 .../asm-um => arch/um/include/asm}/cobalt.h     |  0
 .../asm-um => arch/um/include/asm}/common.lds.S |  0
 .../asm-um => arch/um/include/asm}/cpufeature.h |  0
 .../asm-um => arch/um/include/asm}/cputime.h    |  0
 .../asm-um => arch/um/include/asm}/current.h    |  0
 {include/asm-um => arch/um/include/asm}/delay.h |  0
 {include/asm-um => arch/um/include/asm}/desc.h  |  0
 .../asm-um => arch/um/include/asm}/device.h     |  0
 {include/asm-um => arch/um/include/asm}/div64.h |  0
 .../um/include/asm}/dma-mapping.h               |  0
 {include/asm-um => arch/um/include/asm}/dma.h   |  0
 .../asm-um => arch/um/include/asm}/dwarf2.h     |  0
 .../asm-um => arch/um/include/asm}/elf-i386.h   |  0
 .../asm-um => arch/um/include/asm}/elf-ppc.h    |  0
 .../asm-um => arch/um/include/asm}/elf-x86_64.h |  0
 .../um/include/asm}/emergency-restart.h         |  0
 {include/asm-um => arch/um/include/asm}/errno.h |  0
 {include/asm-um => arch/um/include/asm}/fcntl.h |  0
 .../asm-um => arch/um/include/asm}/fixmap.h     |  0
 .../asm-um => arch/um/include/asm}/floppy.h     |  0
 {include/asm-um => arch/um/include/asm}/frame.h |  0
 {include/asm-um => arch/um/include/asm}/futex.h |  0
 .../asm-um => arch/um/include/asm}/hardirq.h    |  0
 .../asm-um => arch/um/include/asm}/highmem.h    |  0
 .../um/include/asm}/host_ldt-i386.h             |  0
 .../um/include/asm}/host_ldt-x86_64.h           |  0
 .../asm-um => arch/um/include/asm}/hw_irq.h     |  0
 {include/asm-um => arch/um/include/asm}/ide.h   |  0
 {include/asm-um => arch/um/include/asm}/io.h    |  0
 {include/asm-um => arch/um/include/asm}/ioctl.h |  0
 .../asm-um => arch/um/include/asm}/ioctls.h     |  0
 .../asm-um => arch/um/include/asm}/ipcbuf.h     |  0
 {include/asm-um => arch/um/include/asm}/irq.h   |  0
 .../asm-um => arch/um/include/asm}/irq_regs.h   |  0
 .../um/include/asm}/irq_vectors.h               |  0
 .../asm-um => arch/um/include/asm}/irqflags.h   |  0
 .../asm-um => arch/um/include/asm}/kdebug.h     |  0
 .../asm-um => arch/um/include/asm}/kmap_types.h |  0
 {include/asm-um => arch/um/include/asm}/ldt.h   |  0
 .../asm-um => arch/um/include/asm}/linkage.h    |  0
 {include/asm-um => arch/um/include/asm}/local.h |  0
 {include/asm-um => arch/um/include/asm}/locks.h |  0
 .../asm-um => arch/um/include/asm}/mca_dma.h    |  0
 {include/asm-um => arch/um/include/asm}/mman.h  |  0
 {include/asm-um => arch/um/include/asm}/mmu.h   |  0
 .../um/include/asm}/mmu_context.h               |  0
 .../um/include/asm}/module-generic.h            |  0
 .../um/include/asm}/module-i386.h               |  0
 .../um/include/asm}/module-x86_64.h             |  0
 .../asm-um => arch/um/include/asm}/msgbuf.h     |  0
 {include/asm-um => arch/um/include/asm}/mtrr.h  |  0
 {include/asm-um => arch/um/include/asm}/mutex.h |  0
 {include/asm-um => arch/um/include/asm}/nops.h  |  0
 {include/asm-um => arch/um/include/asm}/page.h  |  0
 .../um/include/asm}/page_offset.h               |  0
 {include/asm-um => arch/um/include/asm}/param.h |  0
 .../asm-um => arch/um/include/asm}/paravirt.h   |  0
 {include/asm-um => arch/um/include/asm}/pci.h   |  0
 {include/asm-um => arch/um/include/asm}/pda.h   |  0
 .../asm-um => arch/um/include/asm}/percpu.h     |  0
 .../asm-um => arch/um/include/asm}/pgalloc.h    |  0
 .../um/include/asm}/pgtable-2level.h            |  0
 .../um/include/asm}/pgtable-3level.h            |  0
 .../asm-um => arch/um/include/asm}/pgtable.h    |  0
 {include/asm-um => arch/um/include/asm}/poll.h  |  0
 .../um/include/asm}/posix_types.h               |  0
 {include/asm-um => arch/um/include/asm}/prctl.h |  0
 .../um/include/asm}/processor-generic.h         |  0
 .../um/include/asm}/processor-i386.h            |  0
 .../um/include/asm}/processor-ppc.h             |  0
 .../um/include/asm}/processor-x86_64.h          |  0
 .../um/include/asm}/ptrace-generic.h            |  0
 .../um/include/asm}/ptrace-i386.h               |  0
 .../um/include/asm}/ptrace-x86_64.h             |  0
 .../um/include/asm}/required-features.h         |  0
 .../asm-um => arch/um/include/asm}/resource.h   |  0
 .../asm-um => arch/um/include/asm}/rwlock.h     |  0
 {include/asm-um => arch/um/include/asm}/rwsem.h |  0
 .../um/include/asm}/scatterlist.h               |  0
 .../asm-um => arch/um/include/asm}/sections.h   |  0
 .../asm-um => arch/um/include/asm}/segment.h    |  0
 .../asm-um => arch/um/include/asm}/sembuf.h     |  0
 .../asm-um => arch/um/include/asm}/serial.h     |  0
 {include/asm-um => arch/um/include/asm}/setup.h |  0
 .../asm-um => arch/um/include/asm}/shmbuf.h     |  0
 .../asm-um => arch/um/include/asm}/shmparam.h   |  0
 .../um/include/asm}/sigcontext-generic.h        |  0
 .../um/include/asm}/sigcontext-i386.h           |  0
 .../um/include/asm}/sigcontext-ppc.h            |  0
 .../um/include/asm}/sigcontext-x86_64.h         |  0
 .../asm-um => arch/um/include/asm}/siginfo.h    |  0
 .../asm-um => arch/um/include/asm}/signal.h     |  0
 {include/asm-um => arch/um/include/asm}/smp.h   |  0
 .../asm-um => arch/um/include/asm}/socket.h     |  0
 .../asm-um => arch/um/include/asm}/sockios.h    |  0
 .../asm-um => arch/um/include/asm}/spinlock.h   |  0
 .../um/include/asm}/spinlock_types.h            |  0
 {include/asm-um => arch/um/include/asm}/stat.h  |  0
 .../asm-um => arch/um/include/asm}/statfs.h     |  0
 .../asm-um => arch/um/include/asm}/string.h     |  0
 .../asm-um => arch/um/include/asm}/suspend.h    |  0
 .../um/include/asm}/system-generic.h            |  0
 .../um/include/asm}/system-i386.h               |  0
 .../asm-um => arch/um/include/asm}/system-ppc.h |  0
 .../um/include/asm}/system-x86_64.h             |  0
 .../asm-um => arch/um/include/asm}/termbits.h   |  0
 .../asm-um => arch/um/include/asm}/termios.h    |  0
 .../um/include/asm}/thread_info.h               |  0
 {include/asm-um => arch/um/include/asm}/timex.h |  0
 {include/asm-um => arch/um/include/asm}/tlb.h   |  0
 .../asm-um => arch/um/include/asm}/tlbflush.h   |  0
 .../asm-um => arch/um/include/asm}/topology.h   |  0
 {include/asm-um => arch/um/include/asm}/types.h |  0
 .../asm-um => arch/um/include/asm}/uaccess.h    |  0
 .../asm-um => arch/um/include/asm}/ucontext.h   |  0
 .../asm-um => arch/um/include/asm}/unaligned.h  |  0
 .../asm-um => arch/um/include/asm}/unistd.h     |  0
 {include/asm-um => arch/um/include/asm}/user.h  |  0
 {include/asm-um => arch/um/include/asm}/vga.h   |  0
 .../um/include/asm}/vm-flags-i386.h             |  0
 .../um/include/asm}/vm-flags-x86_64.h           |  0
 {include/asm-um => arch/um/include/asm}/vm86.h  |  0
 {include/asm-um => arch/um/include/asm}/xor.h   |  0
 145 files changed, 9 insertions(+), 8 deletions(-)
 rename {include/asm-um => arch/um/include/asm}/a.out-core.h (100%)
 rename {include/asm-um => arch/um/include/asm}/a.out.h (100%)
 rename {include/asm-um => arch/um/include/asm}/alternative-asm.h (100%)
 rename {include/asm-um => arch/um/include/asm}/alternative.h (100%)
 rename {include/asm-um => arch/um/include/asm}/apic.h (100%)
 rename {include/asm-um => arch/um/include/asm}/archparam-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/archparam-ppc.h (100%)
 rename {include/asm-um => arch/um/include/asm}/archparam-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/asm.h (100%)
 rename {include/asm-um => arch/um/include/asm}/atomic.h (100%)
 rename {include/asm-um => arch/um/include/asm}/auxvec.h (100%)
 rename {include/asm-um => arch/um/include/asm}/bitops.h (100%)
 rename {include/asm-um => arch/um/include/asm}/boot.h (100%)
 rename {include/asm-um => arch/um/include/asm}/bug.h (100%)
 rename {include/asm-um => arch/um/include/asm}/bugs.h (100%)
 rename {include/asm-um => arch/um/include/asm}/byteorder.h (100%)
 rename {include/asm-um => arch/um/include/asm}/cache.h (100%)
 rename {include/asm-um => arch/um/include/asm}/cacheflush.h (100%)
 rename {include/asm-um => arch/um/include/asm}/calling.h (100%)
 rename {include/asm-um => arch/um/include/asm}/checksum.h (100%)
 rename {include/asm-um => arch/um/include/asm}/cmpxchg.h (100%)
 rename {include/asm-um => arch/um/include/asm}/cobalt.h (100%)
 rename {include/asm-um => arch/um/include/asm}/common.lds.S (100%)
 rename {include/asm-um => arch/um/include/asm}/cpufeature.h (100%)
 rename {include/asm-um => arch/um/include/asm}/cputime.h (100%)
 rename {include/asm-um => arch/um/include/asm}/current.h (100%)
 rename {include/asm-um => arch/um/include/asm}/delay.h (100%)
 rename {include/asm-um => arch/um/include/asm}/desc.h (100%)
 rename {include/asm-um => arch/um/include/asm}/device.h (100%)
 rename {include/asm-um => arch/um/include/asm}/div64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/dma-mapping.h (100%)
 rename {include/asm-um => arch/um/include/asm}/dma.h (100%)
 rename {include/asm-um => arch/um/include/asm}/dwarf2.h (100%)
 rename {include/asm-um => arch/um/include/asm}/elf-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/elf-ppc.h (100%)
 rename {include/asm-um => arch/um/include/asm}/elf-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/emergency-restart.h (100%)
 rename {include/asm-um => arch/um/include/asm}/errno.h (100%)
 rename {include/asm-um => arch/um/include/asm}/fcntl.h (100%)
 rename {include/asm-um => arch/um/include/asm}/fixmap.h (100%)
 rename {include/asm-um => arch/um/include/asm}/floppy.h (100%)
 rename {include/asm-um => arch/um/include/asm}/frame.h (100%)
 rename {include/asm-um => arch/um/include/asm}/futex.h (100%)
 rename {include/asm-um => arch/um/include/asm}/hardirq.h (100%)
 rename {include/asm-um => arch/um/include/asm}/highmem.h (100%)
 rename {include/asm-um => arch/um/include/asm}/host_ldt-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/host_ldt-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/hw_irq.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ide.h (100%)
 rename {include/asm-um => arch/um/include/asm}/io.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ioctl.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ioctls.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ipcbuf.h (100%)
 rename {include/asm-um => arch/um/include/asm}/irq.h (100%)
 rename {include/asm-um => arch/um/include/asm}/irq_regs.h (100%)
 rename {include/asm-um => arch/um/include/asm}/irq_vectors.h (100%)
 rename {include/asm-um => arch/um/include/asm}/irqflags.h (100%)
 rename {include/asm-um => arch/um/include/asm}/kdebug.h (100%)
 rename {include/asm-um => arch/um/include/asm}/kmap_types.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ldt.h (100%)
 rename {include/asm-um => arch/um/include/asm}/linkage.h (100%)
 rename {include/asm-um => arch/um/include/asm}/local.h (100%)
 rename {include/asm-um => arch/um/include/asm}/locks.h (100%)
 rename {include/asm-um => arch/um/include/asm}/mca_dma.h (100%)
 rename {include/asm-um => arch/um/include/asm}/mman.h (100%)
 rename {include/asm-um => arch/um/include/asm}/mmu.h (100%)
 rename {include/asm-um => arch/um/include/asm}/mmu_context.h (100%)
 rename {include/asm-um => arch/um/include/asm}/module-generic.h (100%)
 rename {include/asm-um => arch/um/include/asm}/module-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/module-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/msgbuf.h (100%)
 rename {include/asm-um => arch/um/include/asm}/mtrr.h (100%)
 rename {include/asm-um => arch/um/include/asm}/mutex.h (100%)
 rename {include/asm-um => arch/um/include/asm}/nops.h (100%)
 rename {include/asm-um => arch/um/include/asm}/page.h (100%)
 rename {include/asm-um => arch/um/include/asm}/page_offset.h (100%)
 rename {include/asm-um => arch/um/include/asm}/param.h (100%)
 rename {include/asm-um => arch/um/include/asm}/paravirt.h (100%)
 rename {include/asm-um => arch/um/include/asm}/pci.h (100%)
 rename {include/asm-um => arch/um/include/asm}/pda.h (100%)
 rename {include/asm-um => arch/um/include/asm}/percpu.h (100%)
 rename {include/asm-um => arch/um/include/asm}/pgalloc.h (100%)
 rename {include/asm-um => arch/um/include/asm}/pgtable-2level.h (100%)
 rename {include/asm-um => arch/um/include/asm}/pgtable-3level.h (100%)
 rename {include/asm-um => arch/um/include/asm}/pgtable.h (100%)
 rename {include/asm-um => arch/um/include/asm}/poll.h (100%)
 rename {include/asm-um => arch/um/include/asm}/posix_types.h (100%)
 rename {include/asm-um => arch/um/include/asm}/prctl.h (100%)
 rename {include/asm-um => arch/um/include/asm}/processor-generic.h (100%)
 rename {include/asm-um => arch/um/include/asm}/processor-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/processor-ppc.h (100%)
 rename {include/asm-um => arch/um/include/asm}/processor-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ptrace-generic.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ptrace-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ptrace-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/required-features.h (100%)
 rename {include/asm-um => arch/um/include/asm}/resource.h (100%)
 rename {include/asm-um => arch/um/include/asm}/rwlock.h (100%)
 rename {include/asm-um => arch/um/include/asm}/rwsem.h (100%)
 rename {include/asm-um => arch/um/include/asm}/scatterlist.h (100%)
 rename {include/asm-um => arch/um/include/asm}/sections.h (100%)
 rename {include/asm-um => arch/um/include/asm}/segment.h (100%)
 rename {include/asm-um => arch/um/include/asm}/sembuf.h (100%)
 rename {include/asm-um => arch/um/include/asm}/serial.h (100%)
 rename {include/asm-um => arch/um/include/asm}/setup.h (100%)
 rename {include/asm-um => arch/um/include/asm}/shmbuf.h (100%)
 rename {include/asm-um => arch/um/include/asm}/shmparam.h (100%)
 rename {include/asm-um => arch/um/include/asm}/sigcontext-generic.h (100%)
 rename {include/asm-um => arch/um/include/asm}/sigcontext-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/sigcontext-ppc.h (100%)
 rename {include/asm-um => arch/um/include/asm}/sigcontext-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/siginfo.h (100%)
 rename {include/asm-um => arch/um/include/asm}/signal.h (100%)
 rename {include/asm-um => arch/um/include/asm}/smp.h (100%)
 rename {include/asm-um => arch/um/include/asm}/socket.h (100%)
 rename {include/asm-um => arch/um/include/asm}/sockios.h (100%)
 rename {include/asm-um => arch/um/include/asm}/spinlock.h (100%)
 rename {include/asm-um => arch/um/include/asm}/spinlock_types.h (100%)
 rename {include/asm-um => arch/um/include/asm}/stat.h (100%)
 rename {include/asm-um => arch/um/include/asm}/statfs.h (100%)
 rename {include/asm-um => arch/um/include/asm}/string.h (100%)
 rename {include/asm-um => arch/um/include/asm}/suspend.h (100%)
 rename {include/asm-um => arch/um/include/asm}/system-generic.h (100%)
 rename {include/asm-um => arch/um/include/asm}/system-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/system-ppc.h (100%)
 rename {include/asm-um => arch/um/include/asm}/system-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/termbits.h (100%)
 rename {include/asm-um => arch/um/include/asm}/termios.h (100%)
 rename {include/asm-um => arch/um/include/asm}/thread_info.h (100%)
 rename {include/asm-um => arch/um/include/asm}/timex.h (100%)
 rename {include/asm-um => arch/um/include/asm}/tlb.h (100%)
 rename {include/asm-um => arch/um/include/asm}/tlbflush.h (100%)
 rename {include/asm-um => arch/um/include/asm}/topology.h (100%)
 rename {include/asm-um => arch/um/include/asm}/types.h (100%)
 rename {include/asm-um => arch/um/include/asm}/uaccess.h (100%)
 rename {include/asm-um => arch/um/include/asm}/ucontext.h (100%)
 rename {include/asm-um => arch/um/include/asm}/unaligned.h (100%)
 rename {include/asm-um => arch/um/include/asm}/unistd.h (100%)
 rename {include/asm-um => arch/um/include/asm}/user.h (100%)
 rename {include/asm-um => arch/um/include/asm}/vga.h (100%)
 rename {include/asm-um => arch/um/include/asm}/vm-flags-i386.h (100%)
 rename {include/asm-um => arch/um/include/asm}/vm-flags-x86_64.h (100%)
 rename {include/asm-um => arch/um/include/asm}/vm86.h (100%)
 rename {include/asm-um => arch/um/include/asm}/xor.h (100%)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 88c5b0a5277..94fb24ea5af 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -21,14 +21,14 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 # Have to precede the include because the included Makefiles reference them.
 SYMLINK_HEADERS := archparam.h system.h sigcontext.h processor.h ptrace.h \
 	module.h vm-flags.h elf.h host_ldt.h
-SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header))
+SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header))
 
 # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
 # ../os/include/file.h
 #
 # These are cleaned up during mrproper. Please DO NOT fix it again, this is
 # the Correct Thing(tm) to do!
-ARCH_SYMLINKS = include/asm-um/arch $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \
+ARCH_SYMLINKS = $(ARCH_DIR)/include/asm/arch $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \
 	$(SYMLINK_HEADERS) $(ARCH_DIR)/include/shared/uml-config.h
 
 MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
@@ -38,6 +38,7 @@ include $(srctree)/$(ARCH_DIR)/Makefile-skas
 ARCH_INCLUDE	:= -I$(ARCH_DIR)/include/shared
 ifneq ($(KBUILD_SRC),)
 ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared
+KBUILD_CPPFLAGS += -I$(ARCH_DIR)/include # for arch symlink
 endif
 SYS_DIR		:= $(ARCH_DIR)/include/shared/sysdep-$(SUBARCH)
 
@@ -145,19 +146,19 @@ archclean:
 $(SYMLINK_HEADERS):
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
-	$(Q)mkdir -p $(objtree)/include/asm-um
-	$(Q)ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
+	$(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm
+	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/asm/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
 else
 	$(Q)ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
 endif
 
-include/asm-um/arch:
+$(ARCH_DIR)/include/asm/arch:
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
-	$(Q)mkdir -p $(objtree)/include/asm-um
+	$(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm
 	$(Q)ln -fsn $(srctree)/include/asm-$(HEADER_ARCH) $@
 else
-	$(Q)ln -fsn ../asm-$(HEADER_ARCH) $@
+	$(Q)ln -fsn ../../../../include/asm-$(HEADER_ARCH) $@
 endif
 
 $(objtree)/$(ARCH_DIR)/include/shared:
@@ -209,6 +210,6 @@ $(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-off
 
 $(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared
 	@echo '  SYMLINK $@'
-	$(Q)ln -sf ../../../../include/asm-um/asm-offsets.h $@
+	$(Q)ln -sf ../../../../include/asm/asm-offsets.h $@
 
 export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH
diff --git a/include/asm-um/a.out-core.h b/arch/um/include/asm/a.out-core.h
similarity index 100%
rename from include/asm-um/a.out-core.h
rename to arch/um/include/asm/a.out-core.h
diff --git a/include/asm-um/a.out.h b/arch/um/include/asm/a.out.h
similarity index 100%
rename from include/asm-um/a.out.h
rename to arch/um/include/asm/a.out.h
diff --git a/include/asm-um/alternative-asm.h b/arch/um/include/asm/alternative-asm.h
similarity index 100%
rename from include/asm-um/alternative-asm.h
rename to arch/um/include/asm/alternative-asm.h
diff --git a/include/asm-um/alternative.h b/arch/um/include/asm/alternative.h
similarity index 100%
rename from include/asm-um/alternative.h
rename to arch/um/include/asm/alternative.h
diff --git a/include/asm-um/apic.h b/arch/um/include/asm/apic.h
similarity index 100%
rename from include/asm-um/apic.h
rename to arch/um/include/asm/apic.h
diff --git a/include/asm-um/archparam-i386.h b/arch/um/include/asm/archparam-i386.h
similarity index 100%
rename from include/asm-um/archparam-i386.h
rename to arch/um/include/asm/archparam-i386.h
diff --git a/include/asm-um/archparam-ppc.h b/arch/um/include/asm/archparam-ppc.h
similarity index 100%
rename from include/asm-um/archparam-ppc.h
rename to arch/um/include/asm/archparam-ppc.h
diff --git a/include/asm-um/archparam-x86_64.h b/arch/um/include/asm/archparam-x86_64.h
similarity index 100%
rename from include/asm-um/archparam-x86_64.h
rename to arch/um/include/asm/archparam-x86_64.h
diff --git a/include/asm-um/asm.h b/arch/um/include/asm/asm.h
similarity index 100%
rename from include/asm-um/asm.h
rename to arch/um/include/asm/asm.h
diff --git a/include/asm-um/atomic.h b/arch/um/include/asm/atomic.h
similarity index 100%
rename from include/asm-um/atomic.h
rename to arch/um/include/asm/atomic.h
diff --git a/include/asm-um/auxvec.h b/arch/um/include/asm/auxvec.h
similarity index 100%
rename from include/asm-um/auxvec.h
rename to arch/um/include/asm/auxvec.h
diff --git a/include/asm-um/bitops.h b/arch/um/include/asm/bitops.h
similarity index 100%
rename from include/asm-um/bitops.h
rename to arch/um/include/asm/bitops.h
diff --git a/include/asm-um/boot.h b/arch/um/include/asm/boot.h
similarity index 100%
rename from include/asm-um/boot.h
rename to arch/um/include/asm/boot.h
diff --git a/include/asm-um/bug.h b/arch/um/include/asm/bug.h
similarity index 100%
rename from include/asm-um/bug.h
rename to arch/um/include/asm/bug.h
diff --git a/include/asm-um/bugs.h b/arch/um/include/asm/bugs.h
similarity index 100%
rename from include/asm-um/bugs.h
rename to arch/um/include/asm/bugs.h
diff --git a/include/asm-um/byteorder.h b/arch/um/include/asm/byteorder.h
similarity index 100%
rename from include/asm-um/byteorder.h
rename to arch/um/include/asm/byteorder.h
diff --git a/include/asm-um/cache.h b/arch/um/include/asm/cache.h
similarity index 100%
rename from include/asm-um/cache.h
rename to arch/um/include/asm/cache.h
diff --git a/include/asm-um/cacheflush.h b/arch/um/include/asm/cacheflush.h
similarity index 100%
rename from include/asm-um/cacheflush.h
rename to arch/um/include/asm/cacheflush.h
diff --git a/include/asm-um/calling.h b/arch/um/include/asm/calling.h
similarity index 100%
rename from include/asm-um/calling.h
rename to arch/um/include/asm/calling.h
diff --git a/include/asm-um/checksum.h b/arch/um/include/asm/checksum.h
similarity index 100%
rename from include/asm-um/checksum.h
rename to arch/um/include/asm/checksum.h
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diff --git a/include/asm-um/linkage.h b/arch/um/include/asm/linkage.h
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diff --git a/include/asm-um/locks.h b/arch/um/include/asm/locks.h
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diff --git a/include/asm-um/msgbuf.h b/arch/um/include/asm/msgbuf.h
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diff --git a/include/asm-um/mtrr.h b/arch/um/include/asm/mtrr.h
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diff --git a/include/asm-um/mutex.h b/arch/um/include/asm/mutex.h
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diff --git a/include/asm-um/nops.h b/arch/um/include/asm/nops.h
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diff --git a/include/asm-um/page.h b/arch/um/include/asm/page.h
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diff --git a/include/asm-um/page_offset.h b/arch/um/include/asm/page_offset.h
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diff --git a/include/asm-um/paravirt.h b/arch/um/include/asm/paravirt.h
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diff --git a/include/asm-um/pci.h b/arch/um/include/asm/pci.h
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diff --git a/include/asm-um/pda.h b/arch/um/include/asm/pda.h
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diff --git a/include/asm-um/pgalloc.h b/arch/um/include/asm/pgalloc.h
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diff --git a/include/asm-um/pgtable-2level.h b/arch/um/include/asm/pgtable-2level.h
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diff --git a/include/asm-um/processor-generic.h b/arch/um/include/asm/processor-generic.h
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diff --git a/include/asm-um/tlbflush.h b/arch/um/include/asm/tlbflush.h
similarity index 100%
rename from include/asm-um/tlbflush.h
rename to arch/um/include/asm/tlbflush.h
diff --git a/include/asm-um/topology.h b/arch/um/include/asm/topology.h
similarity index 100%
rename from include/asm-um/topology.h
rename to arch/um/include/asm/topology.h
diff --git a/include/asm-um/types.h b/arch/um/include/asm/types.h
similarity index 100%
rename from include/asm-um/types.h
rename to arch/um/include/asm/types.h
diff --git a/include/asm-um/uaccess.h b/arch/um/include/asm/uaccess.h
similarity index 100%
rename from include/asm-um/uaccess.h
rename to arch/um/include/asm/uaccess.h
diff --git a/include/asm-um/ucontext.h b/arch/um/include/asm/ucontext.h
similarity index 100%
rename from include/asm-um/ucontext.h
rename to arch/um/include/asm/ucontext.h
diff --git a/include/asm-um/unaligned.h b/arch/um/include/asm/unaligned.h
similarity index 100%
rename from include/asm-um/unaligned.h
rename to arch/um/include/asm/unaligned.h
diff --git a/include/asm-um/unistd.h b/arch/um/include/asm/unistd.h
similarity index 100%
rename from include/asm-um/unistd.h
rename to arch/um/include/asm/unistd.h
diff --git a/include/asm-um/user.h b/arch/um/include/asm/user.h
similarity index 100%
rename from include/asm-um/user.h
rename to arch/um/include/asm/user.h
diff --git a/include/asm-um/vga.h b/arch/um/include/asm/vga.h
similarity index 100%
rename from include/asm-um/vga.h
rename to arch/um/include/asm/vga.h
diff --git a/include/asm-um/vm-flags-i386.h b/arch/um/include/asm/vm-flags-i386.h
similarity index 100%
rename from include/asm-um/vm-flags-i386.h
rename to arch/um/include/asm/vm-flags-i386.h
diff --git a/include/asm-um/vm-flags-x86_64.h b/arch/um/include/asm/vm-flags-x86_64.h
similarity index 100%
rename from include/asm-um/vm-flags-x86_64.h
rename to arch/um/include/asm/vm-flags-x86_64.h
diff --git a/include/asm-um/vm86.h b/arch/um/include/asm/vm86.h
similarity index 100%
rename from include/asm-um/vm86.h
rename to arch/um/include/asm/vm86.h
diff --git a/include/asm-um/xor.h b/arch/um/include/asm/xor.h
similarity index 100%
rename from include/asm-um/xor.h
rename to arch/um/include/asm/xor.h
-- 
GitLab


From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 17 Aug 2008 21:05:42 -0400
Subject: [PATCH 2045/2224] x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/ia64/ia32/audit.c                                      | 2 +-
 arch/um/Makefile                                            | 4 ++--
 arch/um/sys-x86_64/syscall_table.c                          | 4 ++--
 arch/x86/Makefile                                           | 6 +++---
 {include/asm-x86 => arch/x86/include/asm}/Kbuild            | 0
 {include/asm-x86 => arch/x86/include/asm}/a.out-core.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/a.out.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/acpi.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/agp.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/alternative-asm.h | 0
 {include/asm-x86 => arch/x86/include/asm}/alternative.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/amd_iommu.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/amd_iommu_types.h | 0
 {include/asm-x86 => arch/x86/include/asm}/apic.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/apicdef.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/arch_hooks.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/asm.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/atomic.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/atomic_32.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/atomic_64.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/auxvec.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/bigsmp/apic.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/bigsmp/apicdef.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/bigsmp/ipi.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/bios_ebda.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/bitops.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/boot.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/bootparam.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/bug.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/bugs.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/byteorder.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/cache.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/cacheflush.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/calgary.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/calling.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/checksum.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/checksum_32.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/checksum_64.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/cmpxchg.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/cmpxchg_32.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/cmpxchg_64.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/compat.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/cpu.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/cpufeature.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/cputime.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/current.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/debugreg.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/delay.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/desc.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/desc_defs.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/device.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/div64.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/dma-mapping.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/dma.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/dmi.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/ds.h              | 0
 {include/asm-x86 => arch/x86/include/asm}/dwarf2.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/e820.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/edac.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/efi.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/elf.h             | 0
 .../asm-x86 => arch/x86/include/asm}/emergency-restart.h    | 0
 {include/asm-x86 => arch/x86/include/asm}/errno.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/es7000/apic.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/es7000/apicdef.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/es7000/ipi.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/es7000/mpparse.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/es7000/wakecpu.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/fb.h              | 0
 {include/asm-x86 => arch/x86/include/asm}/fcntl.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/fixmap.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/fixmap_32.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/fixmap_64.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/floppy.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/frame.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/ftrace.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/futex.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/gart.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/genapic.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/genapic_32.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/genapic_64.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/geode.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/gpio.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/hardirq.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/hardirq_32.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/hardirq_64.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/highmem.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/hpet.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/hugetlb.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/hw_irq.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/hypertransport.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/i387.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/i8253.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/i8259.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/ia32.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/ia32_unistd.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/idle.h            | 0
 .../asm-x86 => arch/x86/include/asm}/intel_arch_perfmon.h   | 0
 {include/asm-x86 => arch/x86/include/asm}/io.h              | 0
 {include/asm-x86 => arch/x86/include/asm}/io_32.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/io_64.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/io_apic.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/ioctl.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/ioctls.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/iommu.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/ipcbuf.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/ipi.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/irq.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/irq_regs.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/irq_regs_32.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/irq_regs_64.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/irq_remapping.h   | 0
 {include/asm-x86 => arch/x86/include/asm}/irq_vectors.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/irqflags.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/ist.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/k8.h              | 0
 {include/asm-x86 => arch/x86/include/asm}/kdebug.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/kexec.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/kgdb.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/kmap_types.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/kprobes.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/kvm.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/kvm_host.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/kvm_para.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/kvm_x86_emulate.h | 0
 {include/asm-x86 => arch/x86/include/asm}/ldt.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/lguest.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/lguest_hcall.h    | 0
 {include/asm-x86 => arch/x86/include/asm}/linkage.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/local.h           | 0
 .../asm-x86 => arch/x86/include/asm}/mach-default/apm.h     | 0
 .../x86/include/asm}/mach-default/do_timer.h                | 0
 .../x86/include/asm}/mach-default/entry_arch.h              | 0
 .../x86/include/asm}/mach-default/mach_apic.h               | 0
 .../x86/include/asm}/mach-default/mach_apicdef.h            | 0
 .../x86/include/asm}/mach-default/mach_ipi.h                | 0
 .../x86/include/asm}/mach-default/mach_mpparse.h            | 0
 .../x86/include/asm}/mach-default/mach_mpspec.h             | 0
 .../x86/include/asm}/mach-default/mach_timer.h              | 0
 .../x86/include/asm}/mach-default/mach_traps.h              | 0
 .../x86/include/asm}/mach-default/mach_wakecpu.h            | 0
 .../x86/include/asm}/mach-default/pci-functions.h           | 0
 .../x86/include/asm}/mach-default/setup_arch.h              | 0
 .../x86/include/asm}/mach-default/smpboot_hooks.h           | 0
 .../asm-x86 => arch/x86/include/asm}/mach-generic/gpio.h    | 0
 .../x86/include/asm}/mach-generic/mach_apic.h               | 0
 .../x86/include/asm}/mach-generic/mach_apicdef.h            | 0
 .../x86/include/asm}/mach-generic/mach_ipi.h                | 0
 .../x86/include/asm}/mach-generic/mach_mpparse.h            | 0
 .../x86/include/asm}/mach-generic/mach_mpspec.h             | 0
 .../asm-x86 => arch/x86/include/asm}/mach-rdc321x/gpio.h    | 0
 .../x86/include/asm}/mach-rdc321x/rdc321x_defs.h            | 0
 .../x86/include/asm}/mach-voyager/do_timer.h                | 0
 .../x86/include/asm}/mach-voyager/entry_arch.h              | 0
 .../x86/include/asm}/mach-voyager/setup_arch.h              | 0
 {include/asm-x86 => arch/x86/include/asm}/math_emu.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/mc146818rtc.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/mca.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/mca_dma.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/mce.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/microcode.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/mman.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/mmconfig.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/mmu.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/mmu_context.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/mmu_context_32.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/mmu_context_64.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/mmx.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/mmzone.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/mmzone_32.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/mmzone_64.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/module.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/mpspec.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/mpspec_def.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/msgbuf.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/msidef.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/msr-index.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/msr.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/mtrr.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/mutex.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/mutex_32.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/mutex_64.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/nmi.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/nops.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/numa.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/numa_32.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/numa_64.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/numaq.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/numaq/apic.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/numaq/apicdef.h   | 0
 {include/asm-x86 => arch/x86/include/asm}/numaq/ipi.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/numaq/mpparse.h   | 0
 {include/asm-x86 => arch/x86/include/asm}/numaq/wakecpu.h   | 0
 {include/asm-x86 => arch/x86/include/asm}/olpc.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/page.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/page_32.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/page_64.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/param.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/paravirt.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/parport.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/pat.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/pci-direct.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/pci.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/pci_32.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/pci_64.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/pda.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/percpu.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/pgalloc.h         | 0
 .../asm-x86 => arch/x86/include/asm}/pgtable-2level-defs.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/pgtable-2level.h  | 0
 .../asm-x86 => arch/x86/include/asm}/pgtable-3level-defs.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/pgtable-3level.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/pgtable.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/pgtable_32.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/pgtable_64.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/poll.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/posix_types.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/posix_types_32.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/posix_types_64.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/prctl.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/processor-cyrix.h | 0
 {include/asm-x86 => arch/x86/include/asm}/processor-flags.h | 0
 {include/asm-x86 => arch/x86/include/asm}/processor.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/proto.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/ptrace-abi.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/ptrace.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/pvclock-abi.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/pvclock.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/reboot.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/reboot_fixups.h   | 0
 .../asm-x86 => arch/x86/include/asm}/required-features.h    | 0
 {include/asm-x86 => arch/x86/include/asm}/resource.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/resume-trace.h    | 0
 {include/asm-x86 => arch/x86/include/asm}/rio.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/rtc.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/rwlock.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/rwsem.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/scatterlist.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/seccomp.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/seccomp_32.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/seccomp_64.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/sections.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/segment.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/sembuf.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/serial.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/setup.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/shmbuf.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/shmparam.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/sigcontext.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/sigcontext32.h    | 0
 {include/asm-x86 => arch/x86/include/asm}/siginfo.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/signal.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/smp.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/socket.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/sockios.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/sparsemem.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/spinlock.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/spinlock_types.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/srat.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/stacktrace.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/stat.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/statfs.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/string.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/string_32.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/string_64.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/summit/apic.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/summit/apicdef.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/summit/ipi.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/summit/mpparse.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/suspend.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/suspend_32.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/suspend_64.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/swiotlb.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/sync_bitops.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/syscall.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/syscalls.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/system.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/system_64.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/tce.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/termbits.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/termios.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/therm_throt.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/thread_info.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/time.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/timer.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/timex.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/tlb.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/tlbflush.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/topology.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/trampoline.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/traps.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/tsc.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/types.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/uaccess.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/uaccess_32.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/uaccess_64.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/ucontext.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/unaligned.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/unistd.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/unistd_32.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/unistd_64.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/unwind.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/user.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/user32.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/user_32.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/user_64.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/uv/bios.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/uv/uv_bau.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/uv/uv_hub.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/uv/uv_irq.h       | 0
 {include/asm-x86 => arch/x86/include/asm}/uv/uv_mmrs.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/vdso.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/vga.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/vgtod.h           | 0
 {include/asm-x86 => arch/x86/include/asm}/vic.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/visws/cobalt.h    | 0
 {include/asm-x86 => arch/x86/include/asm}/visws/lithium.h   | 0
 {include/asm-x86 => arch/x86/include/asm}/visws/piix4.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/visws/sgivw.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/vm86.h            | 0
 {include/asm-x86 => arch/x86/include/asm}/vmi.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/vmi_time.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/voyager.h         | 0
 {include/asm-x86 => arch/x86/include/asm}/vsyscall.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/xcr.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/xen/events.h      | 0
 {include/asm-x86 => arch/x86/include/asm}/xen/grant_table.h | 0
 {include/asm-x86 => arch/x86/include/asm}/xen/hypercall.h   | 0
 {include/asm-x86 => arch/x86/include/asm}/xen/hypervisor.h  | 0
 {include/asm-x86 => arch/x86/include/asm}/xen/interface.h   | 0
 .../asm-x86 => arch/x86/include/asm}/xen/interface_32.h     | 0
 .../asm-x86 => arch/x86/include/asm}/xen/interface_64.h     | 0
 {include/asm-x86 => arch/x86/include/asm}/xen/page.h        | 0
 {include/asm-x86 => arch/x86/include/asm}/xor.h             | 0
 {include/asm-x86 => arch/x86/include/asm}/xor_32.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/xor_64.h          | 0
 {include/asm-x86 => arch/x86/include/asm}/xsave.h           | 0
 arch/x86/kernel/cpu/Makefile                                | 2 +-
 drivers/xen/cpu_hotplug.c                                   | 2 +-
 scripts/checksyscalls.sh                                    | 2 +-
 340 files changed, 11 insertions(+), 11 deletions(-)
 rename {include/asm-x86 => arch/x86/include/asm}/Kbuild (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/a.out-core.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/a.out.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/acpi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/agp.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/alternative-asm.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/alternative.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/amd_iommu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/amd_iommu_types.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/apicdef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/arch_hooks.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/asm.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/atomic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/atomic_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/atomic_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/auxvec.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bigsmp/apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bigsmp/apicdef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bigsmp/ipi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bios_ebda.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bitops.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/boot.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bootparam.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bug.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/bugs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/byteorder.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cache.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cacheflush.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/calgary.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/calling.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/checksum.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/checksum_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/checksum_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cmpxchg.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cmpxchg_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cmpxchg_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/compat.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cpu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cpufeature.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/cputime.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/current.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/debugreg.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/delay.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/desc.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/desc_defs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/device.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/div64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/dma-mapping.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/dma.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/dmi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ds.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/dwarf2.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/e820.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/edac.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/efi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/elf.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/emergency-restart.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/errno.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/es7000/apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/es7000/apicdef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/es7000/ipi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/es7000/mpparse.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/es7000/wakecpu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/fb.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/fcntl.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/fixmap.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/fixmap_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/fixmap_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/floppy.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/frame.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ftrace.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/futex.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/gart.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/genapic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/genapic_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/genapic_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/geode.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/gpio.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/hardirq.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/hardirq_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/hardirq_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/highmem.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/hpet.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/hugetlb.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/hw_irq.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/hypertransport.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/i387.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/i8253.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/i8259.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ia32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ia32_unistd.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/idle.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/intel_arch_perfmon.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/io.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/io_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/io_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/io_apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ioctl.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ioctls.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/iommu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ipcbuf.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ipi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/irq.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/irq_regs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/irq_regs_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/irq_regs_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/irq_remapping.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/irq_vectors.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/irqflags.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ist.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/k8.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kdebug.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kexec.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kgdb.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kmap_types.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kprobes.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kvm.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kvm_host.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kvm_para.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/kvm_x86_emulate.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ldt.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/lguest.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/lguest_hcall.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/linkage.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/local.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/apm.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/do_timer.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/entry_arch.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_apicdef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_ipi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_mpparse.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_mpspec.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_timer.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_traps.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/mach_wakecpu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/pci-functions.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/setup_arch.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-default/smpboot_hooks.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-generic/gpio.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-generic/mach_apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-generic/mach_apicdef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-generic/mach_ipi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-generic/mach_mpparse.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-generic/mach_mpspec.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-rdc321x/gpio.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-rdc321x/rdc321x_defs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-voyager/do_timer.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-voyager/entry_arch.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mach-voyager/setup_arch.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/math_emu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mc146818rtc.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mca.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mca_dma.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mce.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/microcode.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mman.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmconfig.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmu_context.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmu_context_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmu_context_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmx.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmzone.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmzone_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mmzone_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/module.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mpspec.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mpspec_def.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/msgbuf.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/msidef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/msr-index.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/msr.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mtrr.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mutex.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mutex_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/mutex_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/nmi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/nops.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numa.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numa_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numa_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numaq.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numaq/apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numaq/apicdef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numaq/ipi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numaq/mpparse.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/numaq/wakecpu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/olpc.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/page.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/page_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/page_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/param.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/paravirt.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/parport.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pat.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pci-direct.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pci.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pci_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pci_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pda.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/percpu.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgalloc.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgtable-2level-defs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgtable-2level.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgtable-3level-defs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgtable-3level.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgtable.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgtable_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pgtable_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/poll.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/posix_types.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/posix_types_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/posix_types_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/prctl.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/processor-cyrix.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/processor-flags.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/processor.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/proto.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ptrace-abi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ptrace.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pvclock-abi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/pvclock.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/reboot.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/reboot_fixups.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/required-features.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/resource.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/resume-trace.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/rio.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/rtc.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/rwlock.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/rwsem.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/scatterlist.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/seccomp.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/seccomp_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/seccomp_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/sections.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/segment.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/sembuf.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/serial.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/setup.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/shmbuf.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/shmparam.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/sigcontext.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/sigcontext32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/siginfo.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/signal.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/smp.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/socket.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/sockios.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/sparsemem.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/spinlock.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/spinlock_types.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/srat.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/stacktrace.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/stat.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/statfs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/string.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/string_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/string_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/summit/apic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/summit/apicdef.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/summit/ipi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/summit/mpparse.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/suspend.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/suspend_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/suspend_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/swiotlb.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/sync_bitops.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/syscall.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/syscalls.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/system.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/system_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/tce.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/termbits.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/termios.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/therm_throt.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/thread_info.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/time.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/timer.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/timex.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/tlb.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/tlbflush.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/topology.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/trampoline.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/traps.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/tsc.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/types.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uaccess.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uaccess_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uaccess_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/ucontext.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/unaligned.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/unistd.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/unistd_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/unistd_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/unwind.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/user.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/user32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/user_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/user_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uv/bios.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uv/uv_bau.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uv/uv_hub.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uv/uv_irq.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/uv/uv_mmrs.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vdso.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vga.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vgtod.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vic.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/visws/cobalt.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/visws/lithium.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/visws/piix4.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/visws/sgivw.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vm86.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vmi.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vmi_time.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/voyager.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/vsyscall.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xcr.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/events.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/grant_table.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/hypercall.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/hypervisor.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/interface.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/interface_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/interface_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xen/page.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xor.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xor_32.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xor_64.h (100%)
 rename {include/asm-x86 => arch/x86/include/asm}/xsave.h (100%)

diff --git a/arch/ia64/ia32/audit.c b/arch/ia64/ia32/audit.c
index 5e901c75df1..5c93ddd1e42 100644
--- a/arch/ia64/ia32/audit.c
+++ b/arch/ia64/ia32/audit.c
@@ -1,4 +1,4 @@
-#include <asm-x86/unistd_32.h>
+#include "../../x86/include/asm/unistd_32.h"
 
 unsigned ia32_dir_class[] = {
 #include <asm-generic/audit_dir_write.h>
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 94fb24ea5af..4fc79f3030e 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -156,9 +156,9 @@ $(ARCH_DIR)/include/asm/arch:
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
 	$(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm
-	$(Q)ln -fsn $(srctree)/include/asm-$(HEADER_ARCH) $@
+	$(Q)ln -fsn $(srctree)/arch/$(HEADER_ARCH)/include/asm $@
 else
-	$(Q)ln -fsn ../../../../include/asm-$(HEADER_ARCH) $@
+	$(Q)ln -fsn ../../../$(HEADER_ARCH)/include/asm $@
 endif
 
 $(objtree)/$(ARCH_DIR)/include/shared:
diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c
index 32f5fbe2d0d..ef42ec01eaf 100644
--- a/arch/um/sys-x86_64/syscall_table.c
+++ b/arch/um/sys-x86_64/syscall_table.c
@@ -42,7 +42,7 @@
 
 #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ;
 #undef ASM_X86__UNISTD_64_H
-#include <asm-x86/unistd_64.h>
+#include "../../x86/include/asm/unistd_64.h"
 
 #undef __SYSCALL
 #define __SYSCALL(nr, sym) [ nr ] = sym,
@@ -64,7 +64,7 @@ extern void sys_ni_syscall(void);
  */
 
 sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
-#include <asm-x86/unistd_64.h>
+#include "../../x86/include/asm/unistd_64.h"
 };
 
 int syscall_table_size = sizeof(sys_call_table);
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index f5631da585b..d1a47adb5ae 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -110,16 +110,16 @@ KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
 mcore-y  := arch/x86/mach-default/
 
 # Voyager subarch support
-mflags-$(CONFIG_X86_VOYAGER)	:= -Iinclude/asm-x86/mach-voyager
+mflags-$(CONFIG_X86_VOYAGER)	:= -Iarch/x86/include/asm/mach-voyager
 mcore-$(CONFIG_X86_VOYAGER)	:= arch/x86/mach-voyager/
 
 # generic subarchitecture
-mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic
+mflags-$(CONFIG_X86_GENERICARCH):= -Iarch/x86/include/asm/mach-generic
 fcore-$(CONFIG_X86_GENERICARCH)	+= arch/x86/mach-generic/
 mcore-$(CONFIG_X86_GENERICARCH)	:= arch/x86/mach-default/
 
 # default subarch .h files
-mflags-y += -Iinclude/asm-x86/mach-default
+mflags-y += -Iarch/x86/include/asm/mach-default
 
 # 64 bit does not support subarch support - clear sub arch variables
 fcore-$(CONFIG_X86_64)  :=
diff --git a/include/asm-x86/Kbuild b/arch/x86/include/asm/Kbuild
similarity index 100%
rename from include/asm-x86/Kbuild
rename to arch/x86/include/asm/Kbuild
diff --git a/include/asm-x86/a.out-core.h b/arch/x86/include/asm/a.out-core.h
similarity index 100%
rename from include/asm-x86/a.out-core.h
rename to arch/x86/include/asm/a.out-core.h
diff --git a/include/asm-x86/a.out.h b/arch/x86/include/asm/a.out.h
similarity index 100%
rename from include/asm-x86/a.out.h
rename to arch/x86/include/asm/a.out.h
diff --git a/include/asm-x86/acpi.h b/arch/x86/include/asm/acpi.h
similarity index 100%
rename from include/asm-x86/acpi.h
rename to arch/x86/include/asm/acpi.h
diff --git a/include/asm-x86/agp.h b/arch/x86/include/asm/agp.h
similarity index 100%
rename from include/asm-x86/agp.h
rename to arch/x86/include/asm/agp.h
diff --git a/include/asm-x86/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h
similarity index 100%
rename from include/asm-x86/alternative-asm.h
rename to arch/x86/include/asm/alternative-asm.h
diff --git a/include/asm-x86/alternative.h b/arch/x86/include/asm/alternative.h
similarity index 100%
rename from include/asm-x86/alternative.h
rename to arch/x86/include/asm/alternative.h
diff --git a/include/asm-x86/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h
similarity index 100%
rename from include/asm-x86/amd_iommu.h
rename to arch/x86/include/asm/amd_iommu.h
diff --git a/include/asm-x86/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
similarity index 100%
rename from include/asm-x86/amd_iommu_types.h
rename to arch/x86/include/asm/amd_iommu_types.h
diff --git a/include/asm-x86/apic.h b/arch/x86/include/asm/apic.h
similarity index 100%
rename from include/asm-x86/apic.h
rename to arch/x86/include/asm/apic.h
diff --git a/include/asm-x86/apicdef.h b/arch/x86/include/asm/apicdef.h
similarity index 100%
rename from include/asm-x86/apicdef.h
rename to arch/x86/include/asm/apicdef.h
diff --git a/include/asm-x86/arch_hooks.h b/arch/x86/include/asm/arch_hooks.h
similarity index 100%
rename from include/asm-x86/arch_hooks.h
rename to arch/x86/include/asm/arch_hooks.h
diff --git a/include/asm-x86/asm.h b/arch/x86/include/asm/asm.h
similarity index 100%
rename from include/asm-x86/asm.h
rename to arch/x86/include/asm/asm.h
diff --git a/include/asm-x86/atomic.h b/arch/x86/include/asm/atomic.h
similarity index 100%
rename from include/asm-x86/atomic.h
rename to arch/x86/include/asm/atomic.h
diff --git a/include/asm-x86/atomic_32.h b/arch/x86/include/asm/atomic_32.h
similarity index 100%
rename from include/asm-x86/atomic_32.h
rename to arch/x86/include/asm/atomic_32.h
diff --git a/include/asm-x86/atomic_64.h b/arch/x86/include/asm/atomic_64.h
similarity index 100%
rename from include/asm-x86/atomic_64.h
rename to arch/x86/include/asm/atomic_64.h
diff --git a/include/asm-x86/auxvec.h b/arch/x86/include/asm/auxvec.h
similarity index 100%
rename from include/asm-x86/auxvec.h
rename to arch/x86/include/asm/auxvec.h
diff --git a/include/asm-x86/bigsmp/apic.h b/arch/x86/include/asm/bigsmp/apic.h
similarity index 100%
rename from include/asm-x86/bigsmp/apic.h
rename to arch/x86/include/asm/bigsmp/apic.h
diff --git a/include/asm-x86/bigsmp/apicdef.h b/arch/x86/include/asm/bigsmp/apicdef.h
similarity index 100%
rename from include/asm-x86/bigsmp/apicdef.h
rename to arch/x86/include/asm/bigsmp/apicdef.h
diff --git a/include/asm-x86/bigsmp/ipi.h b/arch/x86/include/asm/bigsmp/ipi.h
similarity index 100%
rename from include/asm-x86/bigsmp/ipi.h
rename to arch/x86/include/asm/bigsmp/ipi.h
diff --git a/include/asm-x86/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h
similarity index 100%
rename from include/asm-x86/bios_ebda.h
rename to arch/x86/include/asm/bios_ebda.h
diff --git a/include/asm-x86/bitops.h b/arch/x86/include/asm/bitops.h
similarity index 100%
rename from include/asm-x86/bitops.h
rename to arch/x86/include/asm/bitops.h
diff --git a/include/asm-x86/boot.h b/arch/x86/include/asm/boot.h
similarity index 100%
rename from include/asm-x86/boot.h
rename to arch/x86/include/asm/boot.h
diff --git a/include/asm-x86/bootparam.h b/arch/x86/include/asm/bootparam.h
similarity index 100%
rename from include/asm-x86/bootparam.h
rename to arch/x86/include/asm/bootparam.h
diff --git a/include/asm-x86/bug.h b/arch/x86/include/asm/bug.h
similarity index 100%
rename from include/asm-x86/bug.h
rename to arch/x86/include/asm/bug.h
diff --git a/include/asm-x86/bugs.h b/arch/x86/include/asm/bugs.h
similarity index 100%
rename from include/asm-x86/bugs.h
rename to arch/x86/include/asm/bugs.h
diff --git a/include/asm-x86/byteorder.h b/arch/x86/include/asm/byteorder.h
similarity index 100%
rename from include/asm-x86/byteorder.h
rename to arch/x86/include/asm/byteorder.h
diff --git a/include/asm-x86/cache.h b/arch/x86/include/asm/cache.h
similarity index 100%
rename from include/asm-x86/cache.h
rename to arch/x86/include/asm/cache.h
diff --git a/include/asm-x86/cacheflush.h b/arch/x86/include/asm/cacheflush.h
similarity index 100%
rename from include/asm-x86/cacheflush.h
rename to arch/x86/include/asm/cacheflush.h
diff --git a/include/asm-x86/calgary.h b/arch/x86/include/asm/calgary.h
similarity index 100%
rename from include/asm-x86/calgary.h
rename to arch/x86/include/asm/calgary.h
diff --git a/include/asm-x86/calling.h b/arch/x86/include/asm/calling.h
similarity index 100%
rename from include/asm-x86/calling.h
rename to arch/x86/include/asm/calling.h
diff --git a/include/asm-x86/checksum.h b/arch/x86/include/asm/checksum.h
similarity index 100%
rename from include/asm-x86/checksum.h
rename to arch/x86/include/asm/checksum.h
diff --git a/include/asm-x86/checksum_32.h b/arch/x86/include/asm/checksum_32.h
similarity index 100%
rename from include/asm-x86/checksum_32.h
rename to arch/x86/include/asm/checksum_32.h
diff --git a/include/asm-x86/checksum_64.h b/arch/x86/include/asm/checksum_64.h
similarity index 100%
rename from include/asm-x86/checksum_64.h
rename to arch/x86/include/asm/checksum_64.h
diff --git a/include/asm-x86/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h
similarity index 100%
rename from include/asm-x86/cmpxchg.h
rename to arch/x86/include/asm/cmpxchg.h
diff --git a/include/asm-x86/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h
similarity index 100%
rename from include/asm-x86/cmpxchg_32.h
rename to arch/x86/include/asm/cmpxchg_32.h
diff --git a/include/asm-x86/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h
similarity index 100%
rename from include/asm-x86/cmpxchg_64.h
rename to arch/x86/include/asm/cmpxchg_64.h
diff --git a/include/asm-x86/compat.h b/arch/x86/include/asm/compat.h
similarity index 100%
rename from include/asm-x86/compat.h
rename to arch/x86/include/asm/compat.h
diff --git a/include/asm-x86/cpu.h b/arch/x86/include/asm/cpu.h
similarity index 100%
rename from include/asm-x86/cpu.h
rename to arch/x86/include/asm/cpu.h
diff --git a/include/asm-x86/cpufeature.h b/arch/x86/include/asm/cpufeature.h
similarity index 100%
rename from include/asm-x86/cpufeature.h
rename to arch/x86/include/asm/cpufeature.h
diff --git a/include/asm-x86/cputime.h b/arch/x86/include/asm/cputime.h
similarity index 100%
rename from include/asm-x86/cputime.h
rename to arch/x86/include/asm/cputime.h
diff --git a/include/asm-x86/current.h b/arch/x86/include/asm/current.h
similarity index 100%
rename from include/asm-x86/current.h
rename to arch/x86/include/asm/current.h
diff --git a/include/asm-x86/debugreg.h b/arch/x86/include/asm/debugreg.h
similarity index 100%
rename from include/asm-x86/debugreg.h
rename to arch/x86/include/asm/debugreg.h
diff --git a/include/asm-x86/delay.h b/arch/x86/include/asm/delay.h
similarity index 100%
rename from include/asm-x86/delay.h
rename to arch/x86/include/asm/delay.h
diff --git a/include/asm-x86/desc.h b/arch/x86/include/asm/desc.h
similarity index 100%
rename from include/asm-x86/desc.h
rename to arch/x86/include/asm/desc.h
diff --git a/include/asm-x86/desc_defs.h b/arch/x86/include/asm/desc_defs.h
similarity index 100%
rename from include/asm-x86/desc_defs.h
rename to arch/x86/include/asm/desc_defs.h
diff --git a/include/asm-x86/device.h b/arch/x86/include/asm/device.h
similarity index 100%
rename from include/asm-x86/device.h
rename to arch/x86/include/asm/device.h
diff --git a/include/asm-x86/div64.h b/arch/x86/include/asm/div64.h
similarity index 100%
rename from include/asm-x86/div64.h
rename to arch/x86/include/asm/div64.h
diff --git a/include/asm-x86/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
similarity index 100%
rename from include/asm-x86/dma-mapping.h
rename to arch/x86/include/asm/dma-mapping.h
diff --git a/include/asm-x86/dma.h b/arch/x86/include/asm/dma.h
similarity index 100%
rename from include/asm-x86/dma.h
rename to arch/x86/include/asm/dma.h
diff --git a/include/asm-x86/dmi.h b/arch/x86/include/asm/dmi.h
similarity index 100%
rename from include/asm-x86/dmi.h
rename to arch/x86/include/asm/dmi.h
diff --git a/include/asm-x86/ds.h b/arch/x86/include/asm/ds.h
similarity index 100%
rename from include/asm-x86/ds.h
rename to arch/x86/include/asm/ds.h
diff --git a/include/asm-x86/dwarf2.h b/arch/x86/include/asm/dwarf2.h
similarity index 100%
rename from include/asm-x86/dwarf2.h
rename to arch/x86/include/asm/dwarf2.h
diff --git a/include/asm-x86/e820.h b/arch/x86/include/asm/e820.h
similarity index 100%
rename from include/asm-x86/e820.h
rename to arch/x86/include/asm/e820.h
diff --git a/include/asm-x86/edac.h b/arch/x86/include/asm/edac.h
similarity index 100%
rename from include/asm-x86/edac.h
rename to arch/x86/include/asm/edac.h
diff --git a/include/asm-x86/efi.h b/arch/x86/include/asm/efi.h
similarity index 100%
rename from include/asm-x86/efi.h
rename to arch/x86/include/asm/efi.h
diff --git a/include/asm-x86/elf.h b/arch/x86/include/asm/elf.h
similarity index 100%
rename from include/asm-x86/elf.h
rename to arch/x86/include/asm/elf.h
diff --git a/include/asm-x86/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h
similarity index 100%
rename from include/asm-x86/emergency-restart.h
rename to arch/x86/include/asm/emergency-restart.h
diff --git a/include/asm-x86/errno.h b/arch/x86/include/asm/errno.h
similarity index 100%
rename from include/asm-x86/errno.h
rename to arch/x86/include/asm/errno.h
diff --git a/include/asm-x86/es7000/apic.h b/arch/x86/include/asm/es7000/apic.h
similarity index 100%
rename from include/asm-x86/es7000/apic.h
rename to arch/x86/include/asm/es7000/apic.h
diff --git a/include/asm-x86/es7000/apicdef.h b/arch/x86/include/asm/es7000/apicdef.h
similarity index 100%
rename from include/asm-x86/es7000/apicdef.h
rename to arch/x86/include/asm/es7000/apicdef.h
diff --git a/include/asm-x86/es7000/ipi.h b/arch/x86/include/asm/es7000/ipi.h
similarity index 100%
rename from include/asm-x86/es7000/ipi.h
rename to arch/x86/include/asm/es7000/ipi.h
diff --git a/include/asm-x86/es7000/mpparse.h b/arch/x86/include/asm/es7000/mpparse.h
similarity index 100%
rename from include/asm-x86/es7000/mpparse.h
rename to arch/x86/include/asm/es7000/mpparse.h
diff --git a/include/asm-x86/es7000/wakecpu.h b/arch/x86/include/asm/es7000/wakecpu.h
similarity index 100%
rename from include/asm-x86/es7000/wakecpu.h
rename to arch/x86/include/asm/es7000/wakecpu.h
diff --git a/include/asm-x86/fb.h b/arch/x86/include/asm/fb.h
similarity index 100%
rename from include/asm-x86/fb.h
rename to arch/x86/include/asm/fb.h
diff --git a/include/asm-x86/fcntl.h b/arch/x86/include/asm/fcntl.h
similarity index 100%
rename from include/asm-x86/fcntl.h
rename to arch/x86/include/asm/fcntl.h
diff --git a/include/asm-x86/fixmap.h b/arch/x86/include/asm/fixmap.h
similarity index 100%
rename from include/asm-x86/fixmap.h
rename to arch/x86/include/asm/fixmap.h
diff --git a/include/asm-x86/fixmap_32.h b/arch/x86/include/asm/fixmap_32.h
similarity index 100%
rename from include/asm-x86/fixmap_32.h
rename to arch/x86/include/asm/fixmap_32.h
diff --git a/include/asm-x86/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h
similarity index 100%
rename from include/asm-x86/fixmap_64.h
rename to arch/x86/include/asm/fixmap_64.h
diff --git a/include/asm-x86/floppy.h b/arch/x86/include/asm/floppy.h
similarity index 100%
rename from include/asm-x86/floppy.h
rename to arch/x86/include/asm/floppy.h
diff --git a/include/asm-x86/frame.h b/arch/x86/include/asm/frame.h
similarity index 100%
rename from include/asm-x86/frame.h
rename to arch/x86/include/asm/frame.h
diff --git a/include/asm-x86/ftrace.h b/arch/x86/include/asm/ftrace.h
similarity index 100%
rename from include/asm-x86/ftrace.h
rename to arch/x86/include/asm/ftrace.h
diff --git a/include/asm-x86/futex.h b/arch/x86/include/asm/futex.h
similarity index 100%
rename from include/asm-x86/futex.h
rename to arch/x86/include/asm/futex.h
diff --git a/include/asm-x86/gart.h b/arch/x86/include/asm/gart.h
similarity index 100%
rename from include/asm-x86/gart.h
rename to arch/x86/include/asm/gart.h
diff --git a/include/asm-x86/genapic.h b/arch/x86/include/asm/genapic.h
similarity index 100%
rename from include/asm-x86/genapic.h
rename to arch/x86/include/asm/genapic.h
diff --git a/include/asm-x86/genapic_32.h b/arch/x86/include/asm/genapic_32.h
similarity index 100%
rename from include/asm-x86/genapic_32.h
rename to arch/x86/include/asm/genapic_32.h
diff --git a/include/asm-x86/genapic_64.h b/arch/x86/include/asm/genapic_64.h
similarity index 100%
rename from include/asm-x86/genapic_64.h
rename to arch/x86/include/asm/genapic_64.h
diff --git a/include/asm-x86/geode.h b/arch/x86/include/asm/geode.h
similarity index 100%
rename from include/asm-x86/geode.h
rename to arch/x86/include/asm/geode.h
diff --git a/include/asm-x86/gpio.h b/arch/x86/include/asm/gpio.h
similarity index 100%
rename from include/asm-x86/gpio.h
rename to arch/x86/include/asm/gpio.h
diff --git a/include/asm-x86/hardirq.h b/arch/x86/include/asm/hardirq.h
similarity index 100%
rename from include/asm-x86/hardirq.h
rename to arch/x86/include/asm/hardirq.h
diff --git a/include/asm-x86/hardirq_32.h b/arch/x86/include/asm/hardirq_32.h
similarity index 100%
rename from include/asm-x86/hardirq_32.h
rename to arch/x86/include/asm/hardirq_32.h
diff --git a/include/asm-x86/hardirq_64.h b/arch/x86/include/asm/hardirq_64.h
similarity index 100%
rename from include/asm-x86/hardirq_64.h
rename to arch/x86/include/asm/hardirq_64.h
diff --git a/include/asm-x86/highmem.h b/arch/x86/include/asm/highmem.h
similarity index 100%
rename from include/asm-x86/highmem.h
rename to arch/x86/include/asm/highmem.h
diff --git a/include/asm-x86/hpet.h b/arch/x86/include/asm/hpet.h
similarity index 100%
rename from include/asm-x86/hpet.h
rename to arch/x86/include/asm/hpet.h
diff --git a/include/asm-x86/hugetlb.h b/arch/x86/include/asm/hugetlb.h
similarity index 100%
rename from include/asm-x86/hugetlb.h
rename to arch/x86/include/asm/hugetlb.h
diff --git a/include/asm-x86/hw_irq.h b/arch/x86/include/asm/hw_irq.h
similarity index 100%
rename from include/asm-x86/hw_irq.h
rename to arch/x86/include/asm/hw_irq.h
diff --git a/include/asm-x86/hypertransport.h b/arch/x86/include/asm/hypertransport.h
similarity index 100%
rename from include/asm-x86/hypertransport.h
rename to arch/x86/include/asm/hypertransport.h
diff --git a/include/asm-x86/i387.h b/arch/x86/include/asm/i387.h
similarity index 100%
rename from include/asm-x86/i387.h
rename to arch/x86/include/asm/i387.h
diff --git a/include/asm-x86/i8253.h b/arch/x86/include/asm/i8253.h
similarity index 100%
rename from include/asm-x86/i8253.h
rename to arch/x86/include/asm/i8253.h
diff --git a/include/asm-x86/i8259.h b/arch/x86/include/asm/i8259.h
similarity index 100%
rename from include/asm-x86/i8259.h
rename to arch/x86/include/asm/i8259.h
diff --git a/include/asm-x86/ia32.h b/arch/x86/include/asm/ia32.h
similarity index 100%
rename from include/asm-x86/ia32.h
rename to arch/x86/include/asm/ia32.h
diff --git a/include/asm-x86/ia32_unistd.h b/arch/x86/include/asm/ia32_unistd.h
similarity index 100%
rename from include/asm-x86/ia32_unistd.h
rename to arch/x86/include/asm/ia32_unistd.h
diff --git a/include/asm-x86/idle.h b/arch/x86/include/asm/idle.h
similarity index 100%
rename from include/asm-x86/idle.h
rename to arch/x86/include/asm/idle.h
diff --git a/include/asm-x86/intel_arch_perfmon.h b/arch/x86/include/asm/intel_arch_perfmon.h
similarity index 100%
rename from include/asm-x86/intel_arch_perfmon.h
rename to arch/x86/include/asm/intel_arch_perfmon.h
diff --git a/include/asm-x86/io.h b/arch/x86/include/asm/io.h
similarity index 100%
rename from include/asm-x86/io.h
rename to arch/x86/include/asm/io.h
diff --git a/include/asm-x86/io_32.h b/arch/x86/include/asm/io_32.h
similarity index 100%
rename from include/asm-x86/io_32.h
rename to arch/x86/include/asm/io_32.h
diff --git a/include/asm-x86/io_64.h b/arch/x86/include/asm/io_64.h
similarity index 100%
rename from include/asm-x86/io_64.h
rename to arch/x86/include/asm/io_64.h
diff --git a/include/asm-x86/io_apic.h b/arch/x86/include/asm/io_apic.h
similarity index 100%
rename from include/asm-x86/io_apic.h
rename to arch/x86/include/asm/io_apic.h
diff --git a/include/asm-x86/ioctl.h b/arch/x86/include/asm/ioctl.h
similarity index 100%
rename from include/asm-x86/ioctl.h
rename to arch/x86/include/asm/ioctl.h
diff --git a/include/asm-x86/ioctls.h b/arch/x86/include/asm/ioctls.h
similarity index 100%
rename from include/asm-x86/ioctls.h
rename to arch/x86/include/asm/ioctls.h
diff --git a/include/asm-x86/iommu.h b/arch/x86/include/asm/iommu.h
similarity index 100%
rename from include/asm-x86/iommu.h
rename to arch/x86/include/asm/iommu.h
diff --git a/include/asm-x86/ipcbuf.h b/arch/x86/include/asm/ipcbuf.h
similarity index 100%
rename from include/asm-x86/ipcbuf.h
rename to arch/x86/include/asm/ipcbuf.h
diff --git a/include/asm-x86/ipi.h b/arch/x86/include/asm/ipi.h
similarity index 100%
rename from include/asm-x86/ipi.h
rename to arch/x86/include/asm/ipi.h
diff --git a/include/asm-x86/irq.h b/arch/x86/include/asm/irq.h
similarity index 100%
rename from include/asm-x86/irq.h
rename to arch/x86/include/asm/irq.h
diff --git a/include/asm-x86/irq_regs.h b/arch/x86/include/asm/irq_regs.h
similarity index 100%
rename from include/asm-x86/irq_regs.h
rename to arch/x86/include/asm/irq_regs.h
diff --git a/include/asm-x86/irq_regs_32.h b/arch/x86/include/asm/irq_regs_32.h
similarity index 100%
rename from include/asm-x86/irq_regs_32.h
rename to arch/x86/include/asm/irq_regs_32.h
diff --git a/include/asm-x86/irq_regs_64.h b/arch/x86/include/asm/irq_regs_64.h
similarity index 100%
rename from include/asm-x86/irq_regs_64.h
rename to arch/x86/include/asm/irq_regs_64.h
diff --git a/include/asm-x86/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
similarity index 100%
rename from include/asm-x86/irq_remapping.h
rename to arch/x86/include/asm/irq_remapping.h
diff --git a/include/asm-x86/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
similarity index 100%
rename from include/asm-x86/irq_vectors.h
rename to arch/x86/include/asm/irq_vectors.h
diff --git a/include/asm-x86/irqflags.h b/arch/x86/include/asm/irqflags.h
similarity index 100%
rename from include/asm-x86/irqflags.h
rename to arch/x86/include/asm/irqflags.h
diff --git a/include/asm-x86/ist.h b/arch/x86/include/asm/ist.h
similarity index 100%
rename from include/asm-x86/ist.h
rename to arch/x86/include/asm/ist.h
diff --git a/include/asm-x86/k8.h b/arch/x86/include/asm/k8.h
similarity index 100%
rename from include/asm-x86/k8.h
rename to arch/x86/include/asm/k8.h
diff --git a/include/asm-x86/kdebug.h b/arch/x86/include/asm/kdebug.h
similarity index 100%
rename from include/asm-x86/kdebug.h
rename to arch/x86/include/asm/kdebug.h
diff --git a/include/asm-x86/kexec.h b/arch/x86/include/asm/kexec.h
similarity index 100%
rename from include/asm-x86/kexec.h
rename to arch/x86/include/asm/kexec.h
diff --git a/include/asm-x86/kgdb.h b/arch/x86/include/asm/kgdb.h
similarity index 100%
rename from include/asm-x86/kgdb.h
rename to arch/x86/include/asm/kgdb.h
diff --git a/include/asm-x86/kmap_types.h b/arch/x86/include/asm/kmap_types.h
similarity index 100%
rename from include/asm-x86/kmap_types.h
rename to arch/x86/include/asm/kmap_types.h
diff --git a/include/asm-x86/kprobes.h b/arch/x86/include/asm/kprobes.h
similarity index 100%
rename from include/asm-x86/kprobes.h
rename to arch/x86/include/asm/kprobes.h
diff --git a/include/asm-x86/kvm.h b/arch/x86/include/asm/kvm.h
similarity index 100%
rename from include/asm-x86/kvm.h
rename to arch/x86/include/asm/kvm.h
diff --git a/include/asm-x86/kvm_host.h b/arch/x86/include/asm/kvm_host.h
similarity index 100%
rename from include/asm-x86/kvm_host.h
rename to arch/x86/include/asm/kvm_host.h
diff --git a/include/asm-x86/kvm_para.h b/arch/x86/include/asm/kvm_para.h
similarity index 100%
rename from include/asm-x86/kvm_para.h
rename to arch/x86/include/asm/kvm_para.h
diff --git a/include/asm-x86/kvm_x86_emulate.h b/arch/x86/include/asm/kvm_x86_emulate.h
similarity index 100%
rename from include/asm-x86/kvm_x86_emulate.h
rename to arch/x86/include/asm/kvm_x86_emulate.h
diff --git a/include/asm-x86/ldt.h b/arch/x86/include/asm/ldt.h
similarity index 100%
rename from include/asm-x86/ldt.h
rename to arch/x86/include/asm/ldt.h
diff --git a/include/asm-x86/lguest.h b/arch/x86/include/asm/lguest.h
similarity index 100%
rename from include/asm-x86/lguest.h
rename to arch/x86/include/asm/lguest.h
diff --git a/include/asm-x86/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h
similarity index 100%
rename from include/asm-x86/lguest_hcall.h
rename to arch/x86/include/asm/lguest_hcall.h
diff --git a/include/asm-x86/linkage.h b/arch/x86/include/asm/linkage.h
similarity index 100%
rename from include/asm-x86/linkage.h
rename to arch/x86/include/asm/linkage.h
diff --git a/include/asm-x86/local.h b/arch/x86/include/asm/local.h
similarity index 100%
rename from include/asm-x86/local.h
rename to arch/x86/include/asm/local.h
diff --git a/include/asm-x86/mach-default/apm.h b/arch/x86/include/asm/mach-default/apm.h
similarity index 100%
rename from include/asm-x86/mach-default/apm.h
rename to arch/x86/include/asm/mach-default/apm.h
diff --git a/include/asm-x86/mach-default/do_timer.h b/arch/x86/include/asm/mach-default/do_timer.h
similarity index 100%
rename from include/asm-x86/mach-default/do_timer.h
rename to arch/x86/include/asm/mach-default/do_timer.h
diff --git a/include/asm-x86/mach-default/entry_arch.h b/arch/x86/include/asm/mach-default/entry_arch.h
similarity index 100%
rename from include/asm-x86/mach-default/entry_arch.h
rename to arch/x86/include/asm/mach-default/entry_arch.h
diff --git a/include/asm-x86/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_apic.h
rename to arch/x86/include/asm/mach-default/mach_apic.h
diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/arch/x86/include/asm/mach-default/mach_apicdef.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_apicdef.h
rename to arch/x86/include/asm/mach-default/mach_apicdef.h
diff --git a/include/asm-x86/mach-default/mach_ipi.h b/arch/x86/include/asm/mach-default/mach_ipi.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_ipi.h
rename to arch/x86/include/asm/mach-default/mach_ipi.h
diff --git a/include/asm-x86/mach-default/mach_mpparse.h b/arch/x86/include/asm/mach-default/mach_mpparse.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_mpparse.h
rename to arch/x86/include/asm/mach-default/mach_mpparse.h
diff --git a/include/asm-x86/mach-default/mach_mpspec.h b/arch/x86/include/asm/mach-default/mach_mpspec.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_mpspec.h
rename to arch/x86/include/asm/mach-default/mach_mpspec.h
diff --git a/include/asm-x86/mach-default/mach_timer.h b/arch/x86/include/asm/mach-default/mach_timer.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_timer.h
rename to arch/x86/include/asm/mach-default/mach_timer.h
diff --git a/include/asm-x86/mach-default/mach_traps.h b/arch/x86/include/asm/mach-default/mach_traps.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_traps.h
rename to arch/x86/include/asm/mach-default/mach_traps.h
diff --git a/include/asm-x86/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
similarity index 100%
rename from include/asm-x86/mach-default/mach_wakecpu.h
rename to arch/x86/include/asm/mach-default/mach_wakecpu.h
diff --git a/include/asm-x86/mach-default/pci-functions.h b/arch/x86/include/asm/mach-default/pci-functions.h
similarity index 100%
rename from include/asm-x86/mach-default/pci-functions.h
rename to arch/x86/include/asm/mach-default/pci-functions.h
diff --git a/include/asm-x86/mach-default/setup_arch.h b/arch/x86/include/asm/mach-default/setup_arch.h
similarity index 100%
rename from include/asm-x86/mach-default/setup_arch.h
rename to arch/x86/include/asm/mach-default/setup_arch.h
diff --git a/include/asm-x86/mach-default/smpboot_hooks.h b/arch/x86/include/asm/mach-default/smpboot_hooks.h
similarity index 100%
rename from include/asm-x86/mach-default/smpboot_hooks.h
rename to arch/x86/include/asm/mach-default/smpboot_hooks.h
diff --git a/include/asm-x86/mach-generic/gpio.h b/arch/x86/include/asm/mach-generic/gpio.h
similarity index 100%
rename from include/asm-x86/mach-generic/gpio.h
rename to arch/x86/include/asm/mach-generic/gpio.h
diff --git a/include/asm-x86/mach-generic/mach_apic.h b/arch/x86/include/asm/mach-generic/mach_apic.h
similarity index 100%
rename from include/asm-x86/mach-generic/mach_apic.h
rename to arch/x86/include/asm/mach-generic/mach_apic.h
diff --git a/include/asm-x86/mach-generic/mach_apicdef.h b/arch/x86/include/asm/mach-generic/mach_apicdef.h
similarity index 100%
rename from include/asm-x86/mach-generic/mach_apicdef.h
rename to arch/x86/include/asm/mach-generic/mach_apicdef.h
diff --git a/include/asm-x86/mach-generic/mach_ipi.h b/arch/x86/include/asm/mach-generic/mach_ipi.h
similarity index 100%
rename from include/asm-x86/mach-generic/mach_ipi.h
rename to arch/x86/include/asm/mach-generic/mach_ipi.h
diff --git a/include/asm-x86/mach-generic/mach_mpparse.h b/arch/x86/include/asm/mach-generic/mach_mpparse.h
similarity index 100%
rename from include/asm-x86/mach-generic/mach_mpparse.h
rename to arch/x86/include/asm/mach-generic/mach_mpparse.h
diff --git a/include/asm-x86/mach-generic/mach_mpspec.h b/arch/x86/include/asm/mach-generic/mach_mpspec.h
similarity index 100%
rename from include/asm-x86/mach-generic/mach_mpspec.h
rename to arch/x86/include/asm/mach-generic/mach_mpspec.h
diff --git a/include/asm-x86/mach-rdc321x/gpio.h b/arch/x86/include/asm/mach-rdc321x/gpio.h
similarity index 100%
rename from include/asm-x86/mach-rdc321x/gpio.h
rename to arch/x86/include/asm/mach-rdc321x/gpio.h
diff --git a/include/asm-x86/mach-rdc321x/rdc321x_defs.h b/arch/x86/include/asm/mach-rdc321x/rdc321x_defs.h
similarity index 100%
rename from include/asm-x86/mach-rdc321x/rdc321x_defs.h
rename to arch/x86/include/asm/mach-rdc321x/rdc321x_defs.h
diff --git a/include/asm-x86/mach-voyager/do_timer.h b/arch/x86/include/asm/mach-voyager/do_timer.h
similarity index 100%
rename from include/asm-x86/mach-voyager/do_timer.h
rename to arch/x86/include/asm/mach-voyager/do_timer.h
diff --git a/include/asm-x86/mach-voyager/entry_arch.h b/arch/x86/include/asm/mach-voyager/entry_arch.h
similarity index 100%
rename from include/asm-x86/mach-voyager/entry_arch.h
rename to arch/x86/include/asm/mach-voyager/entry_arch.h
diff --git a/include/asm-x86/mach-voyager/setup_arch.h b/arch/x86/include/asm/mach-voyager/setup_arch.h
similarity index 100%
rename from include/asm-x86/mach-voyager/setup_arch.h
rename to arch/x86/include/asm/mach-voyager/setup_arch.h
diff --git a/include/asm-x86/math_emu.h b/arch/x86/include/asm/math_emu.h
similarity index 100%
rename from include/asm-x86/math_emu.h
rename to arch/x86/include/asm/math_emu.h
diff --git a/include/asm-x86/mc146818rtc.h b/arch/x86/include/asm/mc146818rtc.h
similarity index 100%
rename from include/asm-x86/mc146818rtc.h
rename to arch/x86/include/asm/mc146818rtc.h
diff --git a/include/asm-x86/mca.h b/arch/x86/include/asm/mca.h
similarity index 100%
rename from include/asm-x86/mca.h
rename to arch/x86/include/asm/mca.h
diff --git a/include/asm-x86/mca_dma.h b/arch/x86/include/asm/mca_dma.h
similarity index 100%
rename from include/asm-x86/mca_dma.h
rename to arch/x86/include/asm/mca_dma.h
diff --git a/include/asm-x86/mce.h b/arch/x86/include/asm/mce.h
similarity index 100%
rename from include/asm-x86/mce.h
rename to arch/x86/include/asm/mce.h
diff --git a/include/asm-x86/microcode.h b/arch/x86/include/asm/microcode.h
similarity index 100%
rename from include/asm-x86/microcode.h
rename to arch/x86/include/asm/microcode.h
diff --git a/include/asm-x86/mman.h b/arch/x86/include/asm/mman.h
similarity index 100%
rename from include/asm-x86/mman.h
rename to arch/x86/include/asm/mman.h
diff --git a/include/asm-x86/mmconfig.h b/arch/x86/include/asm/mmconfig.h
similarity index 100%
rename from include/asm-x86/mmconfig.h
rename to arch/x86/include/asm/mmconfig.h
diff --git a/include/asm-x86/mmu.h b/arch/x86/include/asm/mmu.h
similarity index 100%
rename from include/asm-x86/mmu.h
rename to arch/x86/include/asm/mmu.h
diff --git a/include/asm-x86/mmu_context.h b/arch/x86/include/asm/mmu_context.h
similarity index 100%
rename from include/asm-x86/mmu_context.h
rename to arch/x86/include/asm/mmu_context.h
diff --git a/include/asm-x86/mmu_context_32.h b/arch/x86/include/asm/mmu_context_32.h
similarity index 100%
rename from include/asm-x86/mmu_context_32.h
rename to arch/x86/include/asm/mmu_context_32.h
diff --git a/include/asm-x86/mmu_context_64.h b/arch/x86/include/asm/mmu_context_64.h
similarity index 100%
rename from include/asm-x86/mmu_context_64.h
rename to arch/x86/include/asm/mmu_context_64.h
diff --git a/include/asm-x86/mmx.h b/arch/x86/include/asm/mmx.h
similarity index 100%
rename from include/asm-x86/mmx.h
rename to arch/x86/include/asm/mmx.h
diff --git a/include/asm-x86/mmzone.h b/arch/x86/include/asm/mmzone.h
similarity index 100%
rename from include/asm-x86/mmzone.h
rename to arch/x86/include/asm/mmzone.h
diff --git a/include/asm-x86/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h
similarity index 100%
rename from include/asm-x86/mmzone_32.h
rename to arch/x86/include/asm/mmzone_32.h
diff --git a/include/asm-x86/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h
similarity index 100%
rename from include/asm-x86/mmzone_64.h
rename to arch/x86/include/asm/mmzone_64.h
diff --git a/include/asm-x86/module.h b/arch/x86/include/asm/module.h
similarity index 100%
rename from include/asm-x86/module.h
rename to arch/x86/include/asm/module.h
diff --git a/include/asm-x86/mpspec.h b/arch/x86/include/asm/mpspec.h
similarity index 100%
rename from include/asm-x86/mpspec.h
rename to arch/x86/include/asm/mpspec.h
diff --git a/include/asm-x86/mpspec_def.h b/arch/x86/include/asm/mpspec_def.h
similarity index 100%
rename from include/asm-x86/mpspec_def.h
rename to arch/x86/include/asm/mpspec_def.h
diff --git a/include/asm-x86/msgbuf.h b/arch/x86/include/asm/msgbuf.h
similarity index 100%
rename from include/asm-x86/msgbuf.h
rename to arch/x86/include/asm/msgbuf.h
diff --git a/include/asm-x86/msidef.h b/arch/x86/include/asm/msidef.h
similarity index 100%
rename from include/asm-x86/msidef.h
rename to arch/x86/include/asm/msidef.h
diff --git a/include/asm-x86/msr-index.h b/arch/x86/include/asm/msr-index.h
similarity index 100%
rename from include/asm-x86/msr-index.h
rename to arch/x86/include/asm/msr-index.h
diff --git a/include/asm-x86/msr.h b/arch/x86/include/asm/msr.h
similarity index 100%
rename from include/asm-x86/msr.h
rename to arch/x86/include/asm/msr.h
diff --git a/include/asm-x86/mtrr.h b/arch/x86/include/asm/mtrr.h
similarity index 100%
rename from include/asm-x86/mtrr.h
rename to arch/x86/include/asm/mtrr.h
diff --git a/include/asm-x86/mutex.h b/arch/x86/include/asm/mutex.h
similarity index 100%
rename from include/asm-x86/mutex.h
rename to arch/x86/include/asm/mutex.h
diff --git a/include/asm-x86/mutex_32.h b/arch/x86/include/asm/mutex_32.h
similarity index 100%
rename from include/asm-x86/mutex_32.h
rename to arch/x86/include/asm/mutex_32.h
diff --git a/include/asm-x86/mutex_64.h b/arch/x86/include/asm/mutex_64.h
similarity index 100%
rename from include/asm-x86/mutex_64.h
rename to arch/x86/include/asm/mutex_64.h
diff --git a/include/asm-x86/nmi.h b/arch/x86/include/asm/nmi.h
similarity index 100%
rename from include/asm-x86/nmi.h
rename to arch/x86/include/asm/nmi.h
diff --git a/include/asm-x86/nops.h b/arch/x86/include/asm/nops.h
similarity index 100%
rename from include/asm-x86/nops.h
rename to arch/x86/include/asm/nops.h
diff --git a/include/asm-x86/numa.h b/arch/x86/include/asm/numa.h
similarity index 100%
rename from include/asm-x86/numa.h
rename to arch/x86/include/asm/numa.h
diff --git a/include/asm-x86/numa_32.h b/arch/x86/include/asm/numa_32.h
similarity index 100%
rename from include/asm-x86/numa_32.h
rename to arch/x86/include/asm/numa_32.h
diff --git a/include/asm-x86/numa_64.h b/arch/x86/include/asm/numa_64.h
similarity index 100%
rename from include/asm-x86/numa_64.h
rename to arch/x86/include/asm/numa_64.h
diff --git a/include/asm-x86/numaq.h b/arch/x86/include/asm/numaq.h
similarity index 100%
rename from include/asm-x86/numaq.h
rename to arch/x86/include/asm/numaq.h
diff --git a/include/asm-x86/numaq/apic.h b/arch/x86/include/asm/numaq/apic.h
similarity index 100%
rename from include/asm-x86/numaq/apic.h
rename to arch/x86/include/asm/numaq/apic.h
diff --git a/include/asm-x86/numaq/apicdef.h b/arch/x86/include/asm/numaq/apicdef.h
similarity index 100%
rename from include/asm-x86/numaq/apicdef.h
rename to arch/x86/include/asm/numaq/apicdef.h
diff --git a/include/asm-x86/numaq/ipi.h b/arch/x86/include/asm/numaq/ipi.h
similarity index 100%
rename from include/asm-x86/numaq/ipi.h
rename to arch/x86/include/asm/numaq/ipi.h
diff --git a/include/asm-x86/numaq/mpparse.h b/arch/x86/include/asm/numaq/mpparse.h
similarity index 100%
rename from include/asm-x86/numaq/mpparse.h
rename to arch/x86/include/asm/numaq/mpparse.h
diff --git a/include/asm-x86/numaq/wakecpu.h b/arch/x86/include/asm/numaq/wakecpu.h
similarity index 100%
rename from include/asm-x86/numaq/wakecpu.h
rename to arch/x86/include/asm/numaq/wakecpu.h
diff --git a/include/asm-x86/olpc.h b/arch/x86/include/asm/olpc.h
similarity index 100%
rename from include/asm-x86/olpc.h
rename to arch/x86/include/asm/olpc.h
diff --git a/include/asm-x86/page.h b/arch/x86/include/asm/page.h
similarity index 100%
rename from include/asm-x86/page.h
rename to arch/x86/include/asm/page.h
diff --git a/include/asm-x86/page_32.h b/arch/x86/include/asm/page_32.h
similarity index 100%
rename from include/asm-x86/page_32.h
rename to arch/x86/include/asm/page_32.h
diff --git a/include/asm-x86/page_64.h b/arch/x86/include/asm/page_64.h
similarity index 100%
rename from include/asm-x86/page_64.h
rename to arch/x86/include/asm/page_64.h
diff --git a/include/asm-x86/param.h b/arch/x86/include/asm/param.h
similarity index 100%
rename from include/asm-x86/param.h
rename to arch/x86/include/asm/param.h
diff --git a/include/asm-x86/paravirt.h b/arch/x86/include/asm/paravirt.h
similarity index 100%
rename from include/asm-x86/paravirt.h
rename to arch/x86/include/asm/paravirt.h
diff --git a/include/asm-x86/parport.h b/arch/x86/include/asm/parport.h
similarity index 100%
rename from include/asm-x86/parport.h
rename to arch/x86/include/asm/parport.h
diff --git a/include/asm-x86/pat.h b/arch/x86/include/asm/pat.h
similarity index 100%
rename from include/asm-x86/pat.h
rename to arch/x86/include/asm/pat.h
diff --git a/include/asm-x86/pci-direct.h b/arch/x86/include/asm/pci-direct.h
similarity index 100%
rename from include/asm-x86/pci-direct.h
rename to arch/x86/include/asm/pci-direct.h
diff --git a/include/asm-x86/pci.h b/arch/x86/include/asm/pci.h
similarity index 100%
rename from include/asm-x86/pci.h
rename to arch/x86/include/asm/pci.h
diff --git a/include/asm-x86/pci_32.h b/arch/x86/include/asm/pci_32.h
similarity index 100%
rename from include/asm-x86/pci_32.h
rename to arch/x86/include/asm/pci_32.h
diff --git a/include/asm-x86/pci_64.h b/arch/x86/include/asm/pci_64.h
similarity index 100%
rename from include/asm-x86/pci_64.h
rename to arch/x86/include/asm/pci_64.h
diff --git a/include/asm-x86/pda.h b/arch/x86/include/asm/pda.h
similarity index 100%
rename from include/asm-x86/pda.h
rename to arch/x86/include/asm/pda.h
diff --git a/include/asm-x86/percpu.h b/arch/x86/include/asm/percpu.h
similarity index 100%
rename from include/asm-x86/percpu.h
rename to arch/x86/include/asm/percpu.h
diff --git a/include/asm-x86/pgalloc.h b/arch/x86/include/asm/pgalloc.h
similarity index 100%
rename from include/asm-x86/pgalloc.h
rename to arch/x86/include/asm/pgalloc.h
diff --git a/include/asm-x86/pgtable-2level-defs.h b/arch/x86/include/asm/pgtable-2level-defs.h
similarity index 100%
rename from include/asm-x86/pgtable-2level-defs.h
rename to arch/x86/include/asm/pgtable-2level-defs.h
diff --git a/include/asm-x86/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
similarity index 100%
rename from include/asm-x86/pgtable-2level.h
rename to arch/x86/include/asm/pgtable-2level.h
diff --git a/include/asm-x86/pgtable-3level-defs.h b/arch/x86/include/asm/pgtable-3level-defs.h
similarity index 100%
rename from include/asm-x86/pgtable-3level-defs.h
rename to arch/x86/include/asm/pgtable-3level-defs.h
diff --git a/include/asm-x86/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
similarity index 100%
rename from include/asm-x86/pgtable-3level.h
rename to arch/x86/include/asm/pgtable-3level.h
diff --git a/include/asm-x86/pgtable.h b/arch/x86/include/asm/pgtable.h
similarity index 100%
rename from include/asm-x86/pgtable.h
rename to arch/x86/include/asm/pgtable.h
diff --git a/include/asm-x86/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
similarity index 100%
rename from include/asm-x86/pgtable_32.h
rename to arch/x86/include/asm/pgtable_32.h
diff --git a/include/asm-x86/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
similarity index 100%
rename from include/asm-x86/pgtable_64.h
rename to arch/x86/include/asm/pgtable_64.h
diff --git a/include/asm-x86/poll.h b/arch/x86/include/asm/poll.h
similarity index 100%
rename from include/asm-x86/poll.h
rename to arch/x86/include/asm/poll.h
diff --git a/include/asm-x86/posix_types.h b/arch/x86/include/asm/posix_types.h
similarity index 100%
rename from include/asm-x86/posix_types.h
rename to arch/x86/include/asm/posix_types.h
diff --git a/include/asm-x86/posix_types_32.h b/arch/x86/include/asm/posix_types_32.h
similarity index 100%
rename from include/asm-x86/posix_types_32.h
rename to arch/x86/include/asm/posix_types_32.h
diff --git a/include/asm-x86/posix_types_64.h b/arch/x86/include/asm/posix_types_64.h
similarity index 100%
rename from include/asm-x86/posix_types_64.h
rename to arch/x86/include/asm/posix_types_64.h
diff --git a/include/asm-x86/prctl.h b/arch/x86/include/asm/prctl.h
similarity index 100%
rename from include/asm-x86/prctl.h
rename to arch/x86/include/asm/prctl.h
diff --git a/include/asm-x86/processor-cyrix.h b/arch/x86/include/asm/processor-cyrix.h
similarity index 100%
rename from include/asm-x86/processor-cyrix.h
rename to arch/x86/include/asm/processor-cyrix.h
diff --git a/include/asm-x86/processor-flags.h b/arch/x86/include/asm/processor-flags.h
similarity index 100%
rename from include/asm-x86/processor-flags.h
rename to arch/x86/include/asm/processor-flags.h
diff --git a/include/asm-x86/processor.h b/arch/x86/include/asm/processor.h
similarity index 100%
rename from include/asm-x86/processor.h
rename to arch/x86/include/asm/processor.h
diff --git a/include/asm-x86/proto.h b/arch/x86/include/asm/proto.h
similarity index 100%
rename from include/asm-x86/proto.h
rename to arch/x86/include/asm/proto.h
diff --git a/include/asm-x86/ptrace-abi.h b/arch/x86/include/asm/ptrace-abi.h
similarity index 100%
rename from include/asm-x86/ptrace-abi.h
rename to arch/x86/include/asm/ptrace-abi.h
diff --git a/include/asm-x86/ptrace.h b/arch/x86/include/asm/ptrace.h
similarity index 100%
rename from include/asm-x86/ptrace.h
rename to arch/x86/include/asm/ptrace.h
diff --git a/include/asm-x86/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h
similarity index 100%
rename from include/asm-x86/pvclock-abi.h
rename to arch/x86/include/asm/pvclock-abi.h
diff --git a/include/asm-x86/pvclock.h b/arch/x86/include/asm/pvclock.h
similarity index 100%
rename from include/asm-x86/pvclock.h
rename to arch/x86/include/asm/pvclock.h
diff --git a/include/asm-x86/reboot.h b/arch/x86/include/asm/reboot.h
similarity index 100%
rename from include/asm-x86/reboot.h
rename to arch/x86/include/asm/reboot.h
diff --git a/include/asm-x86/reboot_fixups.h b/arch/x86/include/asm/reboot_fixups.h
similarity index 100%
rename from include/asm-x86/reboot_fixups.h
rename to arch/x86/include/asm/reboot_fixups.h
diff --git a/include/asm-x86/required-features.h b/arch/x86/include/asm/required-features.h
similarity index 100%
rename from include/asm-x86/required-features.h
rename to arch/x86/include/asm/required-features.h
diff --git a/include/asm-x86/resource.h b/arch/x86/include/asm/resource.h
similarity index 100%
rename from include/asm-x86/resource.h
rename to arch/x86/include/asm/resource.h
diff --git a/include/asm-x86/resume-trace.h b/arch/x86/include/asm/resume-trace.h
similarity index 100%
rename from include/asm-x86/resume-trace.h
rename to arch/x86/include/asm/resume-trace.h
diff --git a/include/asm-x86/rio.h b/arch/x86/include/asm/rio.h
similarity index 100%
rename from include/asm-x86/rio.h
rename to arch/x86/include/asm/rio.h
diff --git a/include/asm-x86/rtc.h b/arch/x86/include/asm/rtc.h
similarity index 100%
rename from include/asm-x86/rtc.h
rename to arch/x86/include/asm/rtc.h
diff --git a/include/asm-x86/rwlock.h b/arch/x86/include/asm/rwlock.h
similarity index 100%
rename from include/asm-x86/rwlock.h
rename to arch/x86/include/asm/rwlock.h
diff --git a/include/asm-x86/rwsem.h b/arch/x86/include/asm/rwsem.h
similarity index 100%
rename from include/asm-x86/rwsem.h
rename to arch/x86/include/asm/rwsem.h
diff --git a/include/asm-x86/scatterlist.h b/arch/x86/include/asm/scatterlist.h
similarity index 100%
rename from include/asm-x86/scatterlist.h
rename to arch/x86/include/asm/scatterlist.h
diff --git a/include/asm-x86/seccomp.h b/arch/x86/include/asm/seccomp.h
similarity index 100%
rename from include/asm-x86/seccomp.h
rename to arch/x86/include/asm/seccomp.h
diff --git a/include/asm-x86/seccomp_32.h b/arch/x86/include/asm/seccomp_32.h
similarity index 100%
rename from include/asm-x86/seccomp_32.h
rename to arch/x86/include/asm/seccomp_32.h
diff --git a/include/asm-x86/seccomp_64.h b/arch/x86/include/asm/seccomp_64.h
similarity index 100%
rename from include/asm-x86/seccomp_64.h
rename to arch/x86/include/asm/seccomp_64.h
diff --git a/include/asm-x86/sections.h b/arch/x86/include/asm/sections.h
similarity index 100%
rename from include/asm-x86/sections.h
rename to arch/x86/include/asm/sections.h
diff --git a/include/asm-x86/segment.h b/arch/x86/include/asm/segment.h
similarity index 100%
rename from include/asm-x86/segment.h
rename to arch/x86/include/asm/segment.h
diff --git a/include/asm-x86/sembuf.h b/arch/x86/include/asm/sembuf.h
similarity index 100%
rename from include/asm-x86/sembuf.h
rename to arch/x86/include/asm/sembuf.h
diff --git a/include/asm-x86/serial.h b/arch/x86/include/asm/serial.h
similarity index 100%
rename from include/asm-x86/serial.h
rename to arch/x86/include/asm/serial.h
diff --git a/include/asm-x86/setup.h b/arch/x86/include/asm/setup.h
similarity index 100%
rename from include/asm-x86/setup.h
rename to arch/x86/include/asm/setup.h
diff --git a/include/asm-x86/shmbuf.h b/arch/x86/include/asm/shmbuf.h
similarity index 100%
rename from include/asm-x86/shmbuf.h
rename to arch/x86/include/asm/shmbuf.h
diff --git a/include/asm-x86/shmparam.h b/arch/x86/include/asm/shmparam.h
similarity index 100%
rename from include/asm-x86/shmparam.h
rename to arch/x86/include/asm/shmparam.h
diff --git a/include/asm-x86/sigcontext.h b/arch/x86/include/asm/sigcontext.h
similarity index 100%
rename from include/asm-x86/sigcontext.h
rename to arch/x86/include/asm/sigcontext.h
diff --git a/include/asm-x86/sigcontext32.h b/arch/x86/include/asm/sigcontext32.h
similarity index 100%
rename from include/asm-x86/sigcontext32.h
rename to arch/x86/include/asm/sigcontext32.h
diff --git a/include/asm-x86/siginfo.h b/arch/x86/include/asm/siginfo.h
similarity index 100%
rename from include/asm-x86/siginfo.h
rename to arch/x86/include/asm/siginfo.h
diff --git a/include/asm-x86/signal.h b/arch/x86/include/asm/signal.h
similarity index 100%
rename from include/asm-x86/signal.h
rename to arch/x86/include/asm/signal.h
diff --git a/include/asm-x86/smp.h b/arch/x86/include/asm/smp.h
similarity index 100%
rename from include/asm-x86/smp.h
rename to arch/x86/include/asm/smp.h
diff --git a/include/asm-x86/socket.h b/arch/x86/include/asm/socket.h
similarity index 100%
rename from include/asm-x86/socket.h
rename to arch/x86/include/asm/socket.h
diff --git a/include/asm-x86/sockios.h b/arch/x86/include/asm/sockios.h
similarity index 100%
rename from include/asm-x86/sockios.h
rename to arch/x86/include/asm/sockios.h
diff --git a/include/asm-x86/sparsemem.h b/arch/x86/include/asm/sparsemem.h
similarity index 100%
rename from include/asm-x86/sparsemem.h
rename to arch/x86/include/asm/sparsemem.h
diff --git a/include/asm-x86/spinlock.h b/arch/x86/include/asm/spinlock.h
similarity index 100%
rename from include/asm-x86/spinlock.h
rename to arch/x86/include/asm/spinlock.h
diff --git a/include/asm-x86/spinlock_types.h b/arch/x86/include/asm/spinlock_types.h
similarity index 100%
rename from include/asm-x86/spinlock_types.h
rename to arch/x86/include/asm/spinlock_types.h
diff --git a/include/asm-x86/srat.h b/arch/x86/include/asm/srat.h
similarity index 100%
rename from include/asm-x86/srat.h
rename to arch/x86/include/asm/srat.h
diff --git a/include/asm-x86/stacktrace.h b/arch/x86/include/asm/stacktrace.h
similarity index 100%
rename from include/asm-x86/stacktrace.h
rename to arch/x86/include/asm/stacktrace.h
diff --git a/include/asm-x86/stat.h b/arch/x86/include/asm/stat.h
similarity index 100%
rename from include/asm-x86/stat.h
rename to arch/x86/include/asm/stat.h
diff --git a/include/asm-x86/statfs.h b/arch/x86/include/asm/statfs.h
similarity index 100%
rename from include/asm-x86/statfs.h
rename to arch/x86/include/asm/statfs.h
diff --git a/include/asm-x86/string.h b/arch/x86/include/asm/string.h
similarity index 100%
rename from include/asm-x86/string.h
rename to arch/x86/include/asm/string.h
diff --git a/include/asm-x86/string_32.h b/arch/x86/include/asm/string_32.h
similarity index 100%
rename from include/asm-x86/string_32.h
rename to arch/x86/include/asm/string_32.h
diff --git a/include/asm-x86/string_64.h b/arch/x86/include/asm/string_64.h
similarity index 100%
rename from include/asm-x86/string_64.h
rename to arch/x86/include/asm/string_64.h
diff --git a/include/asm-x86/summit/apic.h b/arch/x86/include/asm/summit/apic.h
similarity index 100%
rename from include/asm-x86/summit/apic.h
rename to arch/x86/include/asm/summit/apic.h
diff --git a/include/asm-x86/summit/apicdef.h b/arch/x86/include/asm/summit/apicdef.h
similarity index 100%
rename from include/asm-x86/summit/apicdef.h
rename to arch/x86/include/asm/summit/apicdef.h
diff --git a/include/asm-x86/summit/ipi.h b/arch/x86/include/asm/summit/ipi.h
similarity index 100%
rename from include/asm-x86/summit/ipi.h
rename to arch/x86/include/asm/summit/ipi.h
diff --git a/include/asm-x86/summit/mpparse.h b/arch/x86/include/asm/summit/mpparse.h
similarity index 100%
rename from include/asm-x86/summit/mpparse.h
rename to arch/x86/include/asm/summit/mpparse.h
diff --git a/include/asm-x86/suspend.h b/arch/x86/include/asm/suspend.h
similarity index 100%
rename from include/asm-x86/suspend.h
rename to arch/x86/include/asm/suspend.h
diff --git a/include/asm-x86/suspend_32.h b/arch/x86/include/asm/suspend_32.h
similarity index 100%
rename from include/asm-x86/suspend_32.h
rename to arch/x86/include/asm/suspend_32.h
diff --git a/include/asm-x86/suspend_64.h b/arch/x86/include/asm/suspend_64.h
similarity index 100%
rename from include/asm-x86/suspend_64.h
rename to arch/x86/include/asm/suspend_64.h
diff --git a/include/asm-x86/swiotlb.h b/arch/x86/include/asm/swiotlb.h
similarity index 100%
rename from include/asm-x86/swiotlb.h
rename to arch/x86/include/asm/swiotlb.h
diff --git a/include/asm-x86/sync_bitops.h b/arch/x86/include/asm/sync_bitops.h
similarity index 100%
rename from include/asm-x86/sync_bitops.h
rename to arch/x86/include/asm/sync_bitops.h
diff --git a/include/asm-x86/syscall.h b/arch/x86/include/asm/syscall.h
similarity index 100%
rename from include/asm-x86/syscall.h
rename to arch/x86/include/asm/syscall.h
diff --git a/include/asm-x86/syscalls.h b/arch/x86/include/asm/syscalls.h
similarity index 100%
rename from include/asm-x86/syscalls.h
rename to arch/x86/include/asm/syscalls.h
diff --git a/include/asm-x86/system.h b/arch/x86/include/asm/system.h
similarity index 100%
rename from include/asm-x86/system.h
rename to arch/x86/include/asm/system.h
diff --git a/include/asm-x86/system_64.h b/arch/x86/include/asm/system_64.h
similarity index 100%
rename from include/asm-x86/system_64.h
rename to arch/x86/include/asm/system_64.h
diff --git a/include/asm-x86/tce.h b/arch/x86/include/asm/tce.h
similarity index 100%
rename from include/asm-x86/tce.h
rename to arch/x86/include/asm/tce.h
diff --git a/include/asm-x86/termbits.h b/arch/x86/include/asm/termbits.h
similarity index 100%
rename from include/asm-x86/termbits.h
rename to arch/x86/include/asm/termbits.h
diff --git a/include/asm-x86/termios.h b/arch/x86/include/asm/termios.h
similarity index 100%
rename from include/asm-x86/termios.h
rename to arch/x86/include/asm/termios.h
diff --git a/include/asm-x86/therm_throt.h b/arch/x86/include/asm/therm_throt.h
similarity index 100%
rename from include/asm-x86/therm_throt.h
rename to arch/x86/include/asm/therm_throt.h
diff --git a/include/asm-x86/thread_info.h b/arch/x86/include/asm/thread_info.h
similarity index 100%
rename from include/asm-x86/thread_info.h
rename to arch/x86/include/asm/thread_info.h
diff --git a/include/asm-x86/time.h b/arch/x86/include/asm/time.h
similarity index 100%
rename from include/asm-x86/time.h
rename to arch/x86/include/asm/time.h
diff --git a/include/asm-x86/timer.h b/arch/x86/include/asm/timer.h
similarity index 100%
rename from include/asm-x86/timer.h
rename to arch/x86/include/asm/timer.h
diff --git a/include/asm-x86/timex.h b/arch/x86/include/asm/timex.h
similarity index 100%
rename from include/asm-x86/timex.h
rename to arch/x86/include/asm/timex.h
diff --git a/include/asm-x86/tlb.h b/arch/x86/include/asm/tlb.h
similarity index 100%
rename from include/asm-x86/tlb.h
rename to arch/x86/include/asm/tlb.h
diff --git a/include/asm-x86/tlbflush.h b/arch/x86/include/asm/tlbflush.h
similarity index 100%
rename from include/asm-x86/tlbflush.h
rename to arch/x86/include/asm/tlbflush.h
diff --git a/include/asm-x86/topology.h b/arch/x86/include/asm/topology.h
similarity index 100%
rename from include/asm-x86/topology.h
rename to arch/x86/include/asm/topology.h
diff --git a/include/asm-x86/trampoline.h b/arch/x86/include/asm/trampoline.h
similarity index 100%
rename from include/asm-x86/trampoline.h
rename to arch/x86/include/asm/trampoline.h
diff --git a/include/asm-x86/traps.h b/arch/x86/include/asm/traps.h
similarity index 100%
rename from include/asm-x86/traps.h
rename to arch/x86/include/asm/traps.h
diff --git a/include/asm-x86/tsc.h b/arch/x86/include/asm/tsc.h
similarity index 100%
rename from include/asm-x86/tsc.h
rename to arch/x86/include/asm/tsc.h
diff --git a/include/asm-x86/types.h b/arch/x86/include/asm/types.h
similarity index 100%
rename from include/asm-x86/types.h
rename to arch/x86/include/asm/types.h
diff --git a/include/asm-x86/uaccess.h b/arch/x86/include/asm/uaccess.h
similarity index 100%
rename from include/asm-x86/uaccess.h
rename to arch/x86/include/asm/uaccess.h
diff --git a/include/asm-x86/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
similarity index 100%
rename from include/asm-x86/uaccess_32.h
rename to arch/x86/include/asm/uaccess_32.h
diff --git a/include/asm-x86/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
similarity index 100%
rename from include/asm-x86/uaccess_64.h
rename to arch/x86/include/asm/uaccess_64.h
diff --git a/include/asm-x86/ucontext.h b/arch/x86/include/asm/ucontext.h
similarity index 100%
rename from include/asm-x86/ucontext.h
rename to arch/x86/include/asm/ucontext.h
diff --git a/include/asm-x86/unaligned.h b/arch/x86/include/asm/unaligned.h
similarity index 100%
rename from include/asm-x86/unaligned.h
rename to arch/x86/include/asm/unaligned.h
diff --git a/include/asm-x86/unistd.h b/arch/x86/include/asm/unistd.h
similarity index 100%
rename from include/asm-x86/unistd.h
rename to arch/x86/include/asm/unistd.h
diff --git a/include/asm-x86/unistd_32.h b/arch/x86/include/asm/unistd_32.h
similarity index 100%
rename from include/asm-x86/unistd_32.h
rename to arch/x86/include/asm/unistd_32.h
diff --git a/include/asm-x86/unistd_64.h b/arch/x86/include/asm/unistd_64.h
similarity index 100%
rename from include/asm-x86/unistd_64.h
rename to arch/x86/include/asm/unistd_64.h
diff --git a/include/asm-x86/unwind.h b/arch/x86/include/asm/unwind.h
similarity index 100%
rename from include/asm-x86/unwind.h
rename to arch/x86/include/asm/unwind.h
diff --git a/include/asm-x86/user.h b/arch/x86/include/asm/user.h
similarity index 100%
rename from include/asm-x86/user.h
rename to arch/x86/include/asm/user.h
diff --git a/include/asm-x86/user32.h b/arch/x86/include/asm/user32.h
similarity index 100%
rename from include/asm-x86/user32.h
rename to arch/x86/include/asm/user32.h
diff --git a/include/asm-x86/user_32.h b/arch/x86/include/asm/user_32.h
similarity index 100%
rename from include/asm-x86/user_32.h
rename to arch/x86/include/asm/user_32.h
diff --git a/include/asm-x86/user_64.h b/arch/x86/include/asm/user_64.h
similarity index 100%
rename from include/asm-x86/user_64.h
rename to arch/x86/include/asm/user_64.h
diff --git a/include/asm-x86/uv/bios.h b/arch/x86/include/asm/uv/bios.h
similarity index 100%
rename from include/asm-x86/uv/bios.h
rename to arch/x86/include/asm/uv/bios.h
diff --git a/include/asm-x86/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
similarity index 100%
rename from include/asm-x86/uv/uv_bau.h
rename to arch/x86/include/asm/uv/uv_bau.h
diff --git a/include/asm-x86/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
similarity index 100%
rename from include/asm-x86/uv/uv_hub.h
rename to arch/x86/include/asm/uv/uv_hub.h
diff --git a/include/asm-x86/uv/uv_irq.h b/arch/x86/include/asm/uv/uv_irq.h
similarity index 100%
rename from include/asm-x86/uv/uv_irq.h
rename to arch/x86/include/asm/uv/uv_irq.h
diff --git a/include/asm-x86/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
similarity index 100%
rename from include/asm-x86/uv/uv_mmrs.h
rename to arch/x86/include/asm/uv/uv_mmrs.h
diff --git a/include/asm-x86/vdso.h b/arch/x86/include/asm/vdso.h
similarity index 100%
rename from include/asm-x86/vdso.h
rename to arch/x86/include/asm/vdso.h
diff --git a/include/asm-x86/vga.h b/arch/x86/include/asm/vga.h
similarity index 100%
rename from include/asm-x86/vga.h
rename to arch/x86/include/asm/vga.h
diff --git a/include/asm-x86/vgtod.h b/arch/x86/include/asm/vgtod.h
similarity index 100%
rename from include/asm-x86/vgtod.h
rename to arch/x86/include/asm/vgtod.h
diff --git a/include/asm-x86/vic.h b/arch/x86/include/asm/vic.h
similarity index 100%
rename from include/asm-x86/vic.h
rename to arch/x86/include/asm/vic.h
diff --git a/include/asm-x86/visws/cobalt.h b/arch/x86/include/asm/visws/cobalt.h
similarity index 100%
rename from include/asm-x86/visws/cobalt.h
rename to arch/x86/include/asm/visws/cobalt.h
diff --git a/include/asm-x86/visws/lithium.h b/arch/x86/include/asm/visws/lithium.h
similarity index 100%
rename from include/asm-x86/visws/lithium.h
rename to arch/x86/include/asm/visws/lithium.h
diff --git a/include/asm-x86/visws/piix4.h b/arch/x86/include/asm/visws/piix4.h
similarity index 100%
rename from include/asm-x86/visws/piix4.h
rename to arch/x86/include/asm/visws/piix4.h
diff --git a/include/asm-x86/visws/sgivw.h b/arch/x86/include/asm/visws/sgivw.h
similarity index 100%
rename from include/asm-x86/visws/sgivw.h
rename to arch/x86/include/asm/visws/sgivw.h
diff --git a/include/asm-x86/vm86.h b/arch/x86/include/asm/vm86.h
similarity index 100%
rename from include/asm-x86/vm86.h
rename to arch/x86/include/asm/vm86.h
diff --git a/include/asm-x86/vmi.h b/arch/x86/include/asm/vmi.h
similarity index 100%
rename from include/asm-x86/vmi.h
rename to arch/x86/include/asm/vmi.h
diff --git a/include/asm-x86/vmi_time.h b/arch/x86/include/asm/vmi_time.h
similarity index 100%
rename from include/asm-x86/vmi_time.h
rename to arch/x86/include/asm/vmi_time.h
diff --git a/include/asm-x86/voyager.h b/arch/x86/include/asm/voyager.h
similarity index 100%
rename from include/asm-x86/voyager.h
rename to arch/x86/include/asm/voyager.h
diff --git a/include/asm-x86/vsyscall.h b/arch/x86/include/asm/vsyscall.h
similarity index 100%
rename from include/asm-x86/vsyscall.h
rename to arch/x86/include/asm/vsyscall.h
diff --git a/include/asm-x86/xcr.h b/arch/x86/include/asm/xcr.h
similarity index 100%
rename from include/asm-x86/xcr.h
rename to arch/x86/include/asm/xcr.h
diff --git a/include/asm-x86/xen/events.h b/arch/x86/include/asm/xen/events.h
similarity index 100%
rename from include/asm-x86/xen/events.h
rename to arch/x86/include/asm/xen/events.h
diff --git a/include/asm-x86/xen/grant_table.h b/arch/x86/include/asm/xen/grant_table.h
similarity index 100%
rename from include/asm-x86/xen/grant_table.h
rename to arch/x86/include/asm/xen/grant_table.h
diff --git a/include/asm-x86/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
similarity index 100%
rename from include/asm-x86/xen/hypercall.h
rename to arch/x86/include/asm/xen/hypercall.h
diff --git a/include/asm-x86/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
similarity index 100%
rename from include/asm-x86/xen/hypervisor.h
rename to arch/x86/include/asm/xen/hypervisor.h
diff --git a/include/asm-x86/xen/interface.h b/arch/x86/include/asm/xen/interface.h
similarity index 100%
rename from include/asm-x86/xen/interface.h
rename to arch/x86/include/asm/xen/interface.h
diff --git a/include/asm-x86/xen/interface_32.h b/arch/x86/include/asm/xen/interface_32.h
similarity index 100%
rename from include/asm-x86/xen/interface_32.h
rename to arch/x86/include/asm/xen/interface_32.h
diff --git a/include/asm-x86/xen/interface_64.h b/arch/x86/include/asm/xen/interface_64.h
similarity index 100%
rename from include/asm-x86/xen/interface_64.h
rename to arch/x86/include/asm/xen/interface_64.h
diff --git a/include/asm-x86/xen/page.h b/arch/x86/include/asm/xen/page.h
similarity index 100%
rename from include/asm-x86/xen/page.h
rename to arch/x86/include/asm/xen/page.h
diff --git a/include/asm-x86/xor.h b/arch/x86/include/asm/xor.h
similarity index 100%
rename from include/asm-x86/xor.h
rename to arch/x86/include/asm/xor.h
diff --git a/include/asm-x86/xor_32.h b/arch/x86/include/asm/xor_32.h
similarity index 100%
rename from include/asm-x86/xor_32.h
rename to arch/x86/include/asm/xor_32.h
diff --git a/include/asm-x86/xor_64.h b/arch/x86/include/asm/xor_64.h
similarity index 100%
rename from include/asm-x86/xor_64.h
rename to arch/x86/include/asm/xor_64.h
diff --git a/include/asm-x86/xsave.h b/arch/x86/include/asm/xsave.h
similarity index 100%
rename from include/asm-x86/xsave.h
rename to arch/x86/include/asm/xsave.h
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 7f0b45a5d78..82ec6075c05 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o
 quiet_cmd_mkcapflags = MKCAP   $@
       cmd_mkcapflags = $(PERL) $(srctree)/$(src)/mkcapflags.pl $< $@
 
-cpufeature = $(src)/../../../../include/asm-x86/cpufeature.h
+cpufeature = $(src)/../../include/asm/cpufeature.h
 
 targets += capflags.c
 $(obj)/capflags.c: $(cpufeature) $(src)/mkcapflags.pl FORCE
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 565280ec1c6..974f56d1ebe 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -2,7 +2,7 @@
 
 #include <xen/xenbus.h>
 
-#include <asm-x86/xen/hypervisor.h>
+#include <asm/xen/hypervisor.h>
 #include <asm/cpu.h>
 
 static void enable_hotplug_cpu(int cpu)
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index 366f8c7f62b..41564b142c0 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -119,5 +119,5 @@ sed -n -e '/^\#define/ { s/[^_]*__NR_\([^[:space:]]*\).*/\
 \#endif/p }' $1
 }
 
-(ignore_list && syscall_list ${srctree}/include/asm-x86/unistd_32.h) | \
+(ignore_list && syscall_list ${srctree}/arch/x86/include/asm/unistd_32.h) | \
 $* -E -x c - > /dev/null
-- 
GitLab


From 1de1502c96c3c163c06419bfe838c73632fa8d9c Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 17 Aug 2008 22:54:55 -0400
Subject: [PATCH 2046/2224] x86, um: now we can get rid of trivial uml headers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                      |  2 ++
 arch/um/include/asm/a.out.h           | 11 -----------
 arch/um/include/asm/alternative-asm.h |  6 ------
 arch/um/include/asm/alternative.h     |  6 ------
 arch/um/include/asm/asm.h             |  6 ------
 arch/um/include/asm/bitops.h          | 10 ----------
 arch/um/include/asm/boot.h            |  6 ------
 arch/um/include/asm/bug.h             |  6 ------
 arch/um/include/asm/byteorder.h       |  6 ------
 arch/um/include/asm/cacheflush.h      |  6 ------
 arch/um/include/asm/calling.h         |  9 ---------
 arch/um/include/asm/cmpxchg.h         |  6 ------
 arch/um/include/asm/cobalt.h          |  6 ------
 arch/um/include/asm/cpufeature.h      |  6 ------
 arch/um/include/asm/div64.h           |  6 ------
 arch/um/include/asm/dwarf2.h          | 11 -----------
 arch/um/include/asm/errno.h           |  6 ------
 arch/um/include/asm/fcntl.h           |  6 ------
 arch/um/include/asm/floppy.h          |  6 ------
 arch/um/include/asm/frame.h           |  6 ------
 arch/um/include/asm/ide.h             |  6 ------
 arch/um/include/asm/ioctl.h           |  6 ------
 arch/um/include/asm/ioctls.h          |  6 ------
 arch/um/include/asm/ipcbuf.h          |  6 ------
 arch/um/include/asm/linkage.h         |  6 ------
 arch/um/include/asm/local.h           |  6 ------
 arch/um/include/asm/locks.h           |  6 ------
 arch/um/include/asm/mca_dma.h         |  6 ------
 arch/um/include/asm/mman.h            |  6 ------
 arch/um/include/asm/msgbuf.h          |  6 ------
 arch/um/include/asm/mtrr.h            |  6 ------
 arch/um/include/asm/nops.h            |  6 ------
 arch/um/include/asm/paravirt.h        |  6 ------
 arch/um/include/asm/percpu.h          |  6 ------
 arch/um/include/asm/poll.h            |  6 ------
 arch/um/include/asm/posix_types.h     |  6 ------
 arch/um/include/asm/prctl.h           |  6 ------
 arch/um/include/asm/resource.h        |  6 ------
 arch/um/include/asm/rwlock.h          |  6 ------
 arch/um/include/asm/rwsem.h           |  6 ------
 arch/um/include/asm/scatterlist.h     |  6 ------
 arch/um/include/asm/sembuf.h          |  6 ------
 arch/um/include/asm/serial.h          |  6 ------
 arch/um/include/asm/shmbuf.h          |  6 ------
 arch/um/include/asm/shmparam.h        |  6 ------
 arch/um/include/asm/siginfo.h         |  6 ------
 arch/um/include/asm/socket.h          |  6 ------
 arch/um/include/asm/sockios.h         |  6 ------
 arch/um/include/asm/spinlock.h        |  6 ------
 arch/um/include/asm/spinlock_types.h  |  6 ------
 arch/um/include/asm/stat.h            |  6 ------
 arch/um/include/asm/statfs.h          |  6 ------
 arch/um/include/asm/termbits.h        |  6 ------
 arch/um/include/asm/termios.h         |  6 ------
 arch/um/include/asm/types.h           |  6 ------
 arch/um/include/asm/ucontext.h        |  6 ------
 arch/um/include/asm/unaligned.h       |  6 ------
 arch/um/include/asm/user.h            |  6 ------
 arch/um/include/asm/vga.h             |  6 ------
 arch/um/include/asm/vm86.h            |  6 ------
 60 files changed, 2 insertions(+), 371 deletions(-)
 delete mode 100644 arch/um/include/asm/a.out.h
 delete mode 100644 arch/um/include/asm/alternative-asm.h
 delete mode 100644 arch/um/include/asm/alternative.h
 delete mode 100644 arch/um/include/asm/asm.h
 delete mode 100644 arch/um/include/asm/bitops.h
 delete mode 100644 arch/um/include/asm/boot.h
 delete mode 100644 arch/um/include/asm/bug.h
 delete mode 100644 arch/um/include/asm/byteorder.h
 delete mode 100644 arch/um/include/asm/cacheflush.h
 delete mode 100644 arch/um/include/asm/calling.h
 delete mode 100644 arch/um/include/asm/cmpxchg.h
 delete mode 100644 arch/um/include/asm/cobalt.h
 delete mode 100644 arch/um/include/asm/cpufeature.h
 delete mode 100644 arch/um/include/asm/div64.h
 delete mode 100644 arch/um/include/asm/dwarf2.h
 delete mode 100644 arch/um/include/asm/errno.h
 delete mode 100644 arch/um/include/asm/fcntl.h
 delete mode 100644 arch/um/include/asm/floppy.h
 delete mode 100644 arch/um/include/asm/frame.h
 delete mode 100644 arch/um/include/asm/ide.h
 delete mode 100644 arch/um/include/asm/ioctl.h
 delete mode 100644 arch/um/include/asm/ioctls.h
 delete mode 100644 arch/um/include/asm/ipcbuf.h
 delete mode 100644 arch/um/include/asm/linkage.h
 delete mode 100644 arch/um/include/asm/local.h
 delete mode 100644 arch/um/include/asm/locks.h
 delete mode 100644 arch/um/include/asm/mca_dma.h
 delete mode 100644 arch/um/include/asm/mman.h
 delete mode 100644 arch/um/include/asm/msgbuf.h
 delete mode 100644 arch/um/include/asm/mtrr.h
 delete mode 100644 arch/um/include/asm/nops.h
 delete mode 100644 arch/um/include/asm/paravirt.h
 delete mode 100644 arch/um/include/asm/percpu.h
 delete mode 100644 arch/um/include/asm/poll.h
 delete mode 100644 arch/um/include/asm/posix_types.h
 delete mode 100644 arch/um/include/asm/prctl.h
 delete mode 100644 arch/um/include/asm/resource.h
 delete mode 100644 arch/um/include/asm/rwlock.h
 delete mode 100644 arch/um/include/asm/rwsem.h
 delete mode 100644 arch/um/include/asm/scatterlist.h
 delete mode 100644 arch/um/include/asm/sembuf.h
 delete mode 100644 arch/um/include/asm/serial.h
 delete mode 100644 arch/um/include/asm/shmbuf.h
 delete mode 100644 arch/um/include/asm/shmparam.h
 delete mode 100644 arch/um/include/asm/siginfo.h
 delete mode 100644 arch/um/include/asm/socket.h
 delete mode 100644 arch/um/include/asm/sockios.h
 delete mode 100644 arch/um/include/asm/spinlock.h
 delete mode 100644 arch/um/include/asm/spinlock_types.h
 delete mode 100644 arch/um/include/asm/stat.h
 delete mode 100644 arch/um/include/asm/statfs.h
 delete mode 100644 arch/um/include/asm/termbits.h
 delete mode 100644 arch/um/include/asm/termios.h
 delete mode 100644 arch/um/include/asm/types.h
 delete mode 100644 arch/um/include/asm/ucontext.h
 delete mode 100644 arch/um/include/asm/unaligned.h
 delete mode 100644 arch/um/include/asm/user.h
 delete mode 100644 arch/um/include/asm/vga.h
 delete mode 100644 arch/um/include/asm/vm86.h

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 4fc79f3030e..3474b105ee6 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -66,6 +66,8 @@ include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
 #This will adjust *FLAGS accordingly to the platform.
 include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
 
+KBUILD_CPPFLAGS += -I$(srctree)/arch/$(HEADER_ARCH)/include
+
 # -Derrno=kernel_errno - This turns all kernel references to errno into
 # kernel_errno to separate them from the libc errno.  This allows -fno-common
 # in KBUILD_CFLAGS.  Otherwise, it would cause ld to complain about the two different
diff --git a/arch/um/include/asm/a.out.h b/arch/um/include/asm/a.out.h
deleted file mode 100644
index 754181ee868..00000000000
--- a/arch/um/include/asm/a.out.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
- */
-
-#ifndef __UM_A_OUT_H
-#define __UM_A_OUT_H
-
-#include "asm/arch/a.out.h"
-
-#endif
diff --git a/arch/um/include/asm/alternative-asm.h b/arch/um/include/asm/alternative-asm.h
deleted file mode 100644
index 9aa9fa2402a..00000000000
--- a/arch/um/include/asm/alternative-asm.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_ALTERNATIVE_ASM_I
-#define __UM_ALTERNATIVE_ASM_I
-
-#include "asm/arch/alternative-asm.h"
-
-#endif
diff --git a/arch/um/include/asm/alternative.h b/arch/um/include/asm/alternative.h
deleted file mode 100644
index b6434396bd4..00000000000
--- a/arch/um/include/asm/alternative.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_ALTERNATIVE_H
-#define __UM_ALTERNATIVE_H
-
-#include "asm/arch/alternative.h"
-
-#endif
diff --git a/arch/um/include/asm/asm.h b/arch/um/include/asm/asm.h
deleted file mode 100644
index af1269a1e9e..00000000000
--- a/arch/um/include/asm/asm.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_ASM_H
-#define __UM_ASM_H
-
-#include "asm/arch/asm.h"
-
-#endif
diff --git a/arch/um/include/asm/bitops.h b/arch/um/include/asm/bitops.h
deleted file mode 100644
index e4d38d437b9..00000000000
--- a/arch/um/include/asm/bitops.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef __UM_BITOPS_H
-#define __UM_BITOPS_H
-
-#ifndef _LINUX_BITOPS_H
-#error only <linux/bitops.h> can be included directly
-#endif
-
-#include "asm/arch/bitops.h"
-
-#endif
diff --git a/arch/um/include/asm/boot.h b/arch/um/include/asm/boot.h
deleted file mode 100644
index 09548c3e784..00000000000
--- a/arch/um/include/asm/boot.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_BOOT_H
-#define __UM_BOOT_H
-
-#include "asm/arch/boot.h"
-
-#endif
diff --git a/arch/um/include/asm/bug.h b/arch/um/include/asm/bug.h
deleted file mode 100644
index 9e33b864c35..00000000000
--- a/arch/um/include/asm/bug.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_BUG_H
-#define __UM_BUG_H
-
-#include <asm-generic/bug.h>
-
-#endif
diff --git a/arch/um/include/asm/byteorder.h b/arch/um/include/asm/byteorder.h
deleted file mode 100644
index eee0a834f44..00000000000
--- a/arch/um/include/asm/byteorder.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_BYTEORDER_H
-#define __UM_BYTEORDER_H
-
-#include "asm/arch/byteorder.h"
-
-#endif
diff --git a/arch/um/include/asm/cacheflush.h b/arch/um/include/asm/cacheflush.h
deleted file mode 100644
index 12e9d4b74c8..00000000000
--- a/arch/um/include/asm/cacheflush.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_CACHEFLUSH_H
-#define __UM_CACHEFLUSH_H
-
-#include "asm/arch/cacheflush.h"
-
-#endif
diff --git a/arch/um/include/asm/calling.h b/arch/um/include/asm/calling.h
deleted file mode 100644
index 0b2384cc99f..00000000000
--- a/arch/um/include/asm/calling.h
+++ /dev/null
@@ -1,9 +0,0 @@
-# Copyright 2003 - 2004 Pathscale, Inc
-# Released under the GPL
-
-#ifndef __UM_CALLING_H /* XXX x86_64 */
-#define __UM_CALLING_H
-
-#include "asm/arch/calling.h"
-
-#endif
diff --git a/arch/um/include/asm/cmpxchg.h b/arch/um/include/asm/cmpxchg.h
deleted file mode 100644
index 529376a9988..00000000000
--- a/arch/um/include/asm/cmpxchg.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_CMPXCHG_H
-#define __UM_CMPXCHG_H
-
-#include "asm/arch/cmpxchg.h"
-
-#endif
diff --git a/arch/um/include/asm/cobalt.h b/arch/um/include/asm/cobalt.h
deleted file mode 100644
index f813a684be9..00000000000
--- a/arch/um/include/asm/cobalt.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_COBALT_H
-#define __UM_COBALT_H
-
-#include "asm/arch/cobalt.h"
-
-#endif
diff --git a/arch/um/include/asm/cpufeature.h b/arch/um/include/asm/cpufeature.h
deleted file mode 100644
index fb7bd42a4d9..00000000000
--- a/arch/um/include/asm/cpufeature.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_CPUFEATURE_H
-#define __UM_CPUFEATURE_H
-
-#include "asm/arch/cpufeature.h"
-
-#endif
diff --git a/arch/um/include/asm/div64.h b/arch/um/include/asm/div64.h
deleted file mode 100644
index 1e17f7409ca..00000000000
--- a/arch/um/include/asm/div64.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _UM_DIV64_H
-#define _UM_DIV64_H
-
-#include "asm/arch/div64.h"
-
-#endif
diff --git a/arch/um/include/asm/dwarf2.h b/arch/um/include/asm/dwarf2.h
deleted file mode 100644
index d1a02e76293..00000000000
--- a/arch/um/include/asm/dwarf2.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* Copyright 2003 - 2004 Pathscale, Inc
- * Released under the GPL
- */
-
-/* Needed on x86_64 by thunk.S */
-#ifndef __UM_DWARF2_H
-#define __UM_DWARF2_H
-
-#include "asm/arch/dwarf2.h"
-
-#endif
diff --git a/arch/um/include/asm/errno.h b/arch/um/include/asm/errno.h
deleted file mode 100644
index b7a9e37fd8d..00000000000
--- a/arch/um/include/asm/errno.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_ERRNO_H
-#define __UM_ERRNO_H
-
-#include "asm/arch/errno.h"
-
-#endif
diff --git a/arch/um/include/asm/fcntl.h b/arch/um/include/asm/fcntl.h
deleted file mode 100644
index 812a65446d9..00000000000
--- a/arch/um/include/asm/fcntl.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_FCNTL_H
-#define __UM_FCNTL_H
-
-#include "asm/arch/fcntl.h"
-
-#endif
diff --git a/arch/um/include/asm/floppy.h b/arch/um/include/asm/floppy.h
deleted file mode 100644
index 453e7415fb6..00000000000
--- a/arch/um/include/asm/floppy.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_FLOPPY_H
-#define __UM_FLOPPY_H
-
-#include "asm/arch/floppy.h"
-
-#endif
diff --git a/arch/um/include/asm/frame.h b/arch/um/include/asm/frame.h
deleted file mode 100644
index 8a8c1cb415b..00000000000
--- a/arch/um/include/asm/frame.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_FRAME_I
-#define __UM_FRAME_I
-
-#include "asm/arch/frame.h"
-
-#endif
diff --git a/arch/um/include/asm/ide.h b/arch/um/include/asm/ide.h
deleted file mode 100644
index 3d1ccebcfba..00000000000
--- a/arch/um/include/asm/ide.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_IDE_H
-#define __UM_IDE_H
-
-#include "asm/arch/ide.h"
-
-#endif
diff --git a/arch/um/include/asm/ioctl.h b/arch/um/include/asm/ioctl.h
deleted file mode 100644
index cc22157346d..00000000000
--- a/arch/um/include/asm/ioctl.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_IOCTL_H
-#define __UM_IOCTL_H
-
-#include "asm/arch/ioctl.h"
-
-#endif
diff --git a/arch/um/include/asm/ioctls.h b/arch/um/include/asm/ioctls.h
deleted file mode 100644
index 9a1a017de6a..00000000000
--- a/arch/um/include/asm/ioctls.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_IOCTLS_H
-#define __UM_IOCTLS_H
-
-#include "asm/arch/ioctls.h"
-
-#endif
diff --git a/arch/um/include/asm/ipcbuf.h b/arch/um/include/asm/ipcbuf.h
deleted file mode 100644
index bb2ad31dc43..00000000000
--- a/arch/um/include/asm/ipcbuf.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_IPCBUF_H
-#define __UM_IPCBUF_H
-
-#include "asm/arch/ipcbuf.h"
-
-#endif
diff --git a/arch/um/include/asm/linkage.h b/arch/um/include/asm/linkage.h
deleted file mode 100644
index 7dfce37adc8..00000000000
--- a/arch/um/include/asm/linkage.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_UM_LINKAGE_H
-#define __ASM_UM_LINKAGE_H
-
-#include "asm/arch/linkage.h"
-
-#endif
diff --git a/arch/um/include/asm/local.h b/arch/um/include/asm/local.h
deleted file mode 100644
index 9a280c5bb60..00000000000
--- a/arch/um/include/asm/local.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_LOCAL_H
-#define __UM_LOCAL_H
-
-#include "asm/arch/local.h"
-
-#endif
diff --git a/arch/um/include/asm/locks.h b/arch/um/include/asm/locks.h
deleted file mode 100644
index f80030a3ef5..00000000000
--- a/arch/um/include/asm/locks.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_LOCKS_H
-#define __UM_LOCKS_H
-
-#include "asm/arch/locks.h"
-
-#endif
diff --git a/arch/um/include/asm/mca_dma.h b/arch/um/include/asm/mca_dma.h
deleted file mode 100644
index e492e4ec139..00000000000
--- a/arch/um/include/asm/mca_dma.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef mca___UM_DMA_H
-#define mca___UM_DMA_H
-
-#include "asm/arch/mca_dma.h"
-
-#endif
diff --git a/arch/um/include/asm/mman.h b/arch/um/include/asm/mman.h
deleted file mode 100644
index b09ed523019..00000000000
--- a/arch/um/include/asm/mman.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_MMAN_H
-#define __UM_MMAN_H
-
-#include "asm/arch/mman.h"
-
-#endif
diff --git a/arch/um/include/asm/msgbuf.h b/arch/um/include/asm/msgbuf.h
deleted file mode 100644
index 8ce8c30d537..00000000000
--- a/arch/um/include/asm/msgbuf.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_MSGBUF_H
-#define __UM_MSGBUF_H
-
-#include "asm/arch/msgbuf.h"
-
-#endif
diff --git a/arch/um/include/asm/mtrr.h b/arch/um/include/asm/mtrr.h
deleted file mode 100644
index 5e9cd12c578..00000000000
--- a/arch/um/include/asm/mtrr.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_MTRR_H
-#define __UM_MTRR_H
-
-#include "asm/arch/mtrr.h"
-
-#endif
diff --git a/arch/um/include/asm/nops.h b/arch/um/include/asm/nops.h
deleted file mode 100644
index 814e9bf5dea..00000000000
--- a/arch/um/include/asm/nops.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_NOPS_H
-#define __UM_NOPS_H
-
-#include "asm/arch/nops.h"
-
-#endif
diff --git a/arch/um/include/asm/paravirt.h b/arch/um/include/asm/paravirt.h
deleted file mode 100644
index 9d6aaad80b5..00000000000
--- a/arch/um/include/asm/paravirt.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_PARAVIRT_H
-#define __UM_PARAVIRT_H
-
-#include "asm/arch/paravirt.h"
-
-#endif
diff --git a/arch/um/include/asm/percpu.h b/arch/um/include/asm/percpu.h
deleted file mode 100644
index 5723e2aab8e..00000000000
--- a/arch/um/include/asm/percpu.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_PERCPU_H
-#define __UM_PERCPU_H
-
-#include "asm/arch/percpu.h"
-
-#endif
diff --git a/arch/um/include/asm/poll.h b/arch/um/include/asm/poll.h
deleted file mode 100644
index 1eb4e1bc638..00000000000
--- a/arch/um/include/asm/poll.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_POLL_H
-#define __UM_POLL_H
-
-#include "asm/arch/poll.h"
-
-#endif
diff --git a/arch/um/include/asm/posix_types.h b/arch/um/include/asm/posix_types.h
deleted file mode 100644
index 32fb4198f64..00000000000
--- a/arch/um/include/asm/posix_types.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_POSIX_TYPES_H
-#define __UM_POSIX_TYPES_H
-
-#include "asm/arch/posix_types.h"
-
-#endif
diff --git a/arch/um/include/asm/prctl.h b/arch/um/include/asm/prctl.h
deleted file mode 100644
index 64b6d099bdd..00000000000
--- a/arch/um/include/asm/prctl.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_PRCTL_H
-#define __UM_PRCTL_H
-
-#include "asm/arch/prctl.h"
-
-#endif
diff --git a/arch/um/include/asm/resource.h b/arch/um/include/asm/resource.h
deleted file mode 100644
index c9b07400125..00000000000
--- a/arch/um/include/asm/resource.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_RESOURCE_H
-#define __UM_RESOURCE_H
-
-#include "asm/arch/resource.h"
-
-#endif
diff --git a/arch/um/include/asm/rwlock.h b/arch/um/include/asm/rwlock.h
deleted file mode 100644
index ff383aafc9f..00000000000
--- a/arch/um/include/asm/rwlock.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_RWLOCK_H
-#define __UM_RWLOCK_H
-
-#include "asm/arch/rwlock.h"
-
-#endif
diff --git a/arch/um/include/asm/rwsem.h b/arch/um/include/asm/rwsem.h
deleted file mode 100644
index b5fc449dc86..00000000000
--- a/arch/um/include/asm/rwsem.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_RWSEM_H__
-#define __UM_RWSEM_H__
-
-#include "asm/arch/rwsem.h"
-
-#endif
diff --git a/arch/um/include/asm/scatterlist.h b/arch/um/include/asm/scatterlist.h
deleted file mode 100644
index e92016aa207..00000000000
--- a/arch/um/include/asm/scatterlist.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SCATTERLIST_H
-#define __UM_SCATTERLIST_H
-
-#include "asm/arch/scatterlist.h"
-
-#endif
diff --git a/arch/um/include/asm/sembuf.h b/arch/um/include/asm/sembuf.h
deleted file mode 100644
index 1ae82c14ff8..00000000000
--- a/arch/um/include/asm/sembuf.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SEMBUF_H
-#define __UM_SEMBUF_H
-
-#include "asm/arch/sembuf.h"
-
-#endif
diff --git a/arch/um/include/asm/serial.h b/arch/um/include/asm/serial.h
deleted file mode 100644
index 61ad07cfd2d..00000000000
--- a/arch/um/include/asm/serial.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SERIAL_H
-#define __UM_SERIAL_H
-
-#include "asm/arch/serial.h"
-
-#endif
diff --git a/arch/um/include/asm/shmbuf.h b/arch/um/include/asm/shmbuf.h
deleted file mode 100644
index 9684d4a284a..00000000000
--- a/arch/um/include/asm/shmbuf.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SHMBUF_H
-#define __UM_SHMBUF_H
-
-#include "asm/arch/shmbuf.h"
-
-#endif
diff --git a/arch/um/include/asm/shmparam.h b/arch/um/include/asm/shmparam.h
deleted file mode 100644
index 124c00174f6..00000000000
--- a/arch/um/include/asm/shmparam.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SHMPARAM_H
-#define __UM_SHMPARAM_H
-
-#include "asm/arch/shmparam.h"
-
-#endif
diff --git a/arch/um/include/asm/siginfo.h b/arch/um/include/asm/siginfo.h
deleted file mode 100644
index bec6124c36d..00000000000
--- a/arch/um/include/asm/siginfo.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SIGINFO_H
-#define __UM_SIGINFO_H
-
-#include "asm/arch/siginfo.h"
-
-#endif
diff --git a/arch/um/include/asm/socket.h b/arch/um/include/asm/socket.h
deleted file mode 100644
index 67886e42ef0..00000000000
--- a/arch/um/include/asm/socket.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SOCKET_H
-#define __UM_SOCKET_H
-
-#include "asm/arch/socket.h"
-
-#endif
diff --git a/arch/um/include/asm/sockios.h b/arch/um/include/asm/sockios.h
deleted file mode 100644
index 93ee1c55c4d..00000000000
--- a/arch/um/include/asm/sockios.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SOCKIOS_H
-#define __UM_SOCKIOS_H
-
-#include "asm/arch/sockios.h"
-
-#endif
diff --git a/arch/um/include/asm/spinlock.h b/arch/um/include/asm/spinlock.h
deleted file mode 100644
index f18c8288699..00000000000
--- a/arch/um/include/asm/spinlock.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SPINLOCK_H
-#define __UM_SPINLOCK_H
-
-#include "asm/arch/spinlock.h"
-
-#endif
diff --git a/arch/um/include/asm/spinlock_types.h b/arch/um/include/asm/spinlock_types.h
deleted file mode 100644
index e5a94294bf8..00000000000
--- a/arch/um/include/asm/spinlock_types.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SPINLOCK_TYPES_H
-#define __UM_SPINLOCK_TYPES_H
-
-#include "asm/arch/spinlock_types.h"
-
-#endif
diff --git a/arch/um/include/asm/stat.h b/arch/um/include/asm/stat.h
deleted file mode 100644
index 83ed85ad253..00000000000
--- a/arch/um/include/asm/stat.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_STAT_H
-#define __UM_STAT_H
-
-#include "asm/arch/stat.h"
-
-#endif
diff --git a/arch/um/include/asm/statfs.h b/arch/um/include/asm/statfs.h
deleted file mode 100644
index ba6fb53e7f8..00000000000
--- a/arch/um/include/asm/statfs.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _UM_STATFS_H
-#define _UM_STATFS_H
-
-#include "asm/arch/statfs.h"
-
-#endif
diff --git a/arch/um/include/asm/termbits.h b/arch/um/include/asm/termbits.h
deleted file mode 100644
index 5739c608a2c..00000000000
--- a/arch/um/include/asm/termbits.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_TERMBITS_H
-#define __UM_TERMBITS_H
-
-#include "asm/arch/termbits.h"
-
-#endif
diff --git a/arch/um/include/asm/termios.h b/arch/um/include/asm/termios.h
deleted file mode 100644
index d9f97b30331..00000000000
--- a/arch/um/include/asm/termios.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_TERMIOS_H
-#define __UM_TERMIOS_H
-
-#include "asm/arch/termios.h"
-
-#endif
diff --git a/arch/um/include/asm/types.h b/arch/um/include/asm/types.h
deleted file mode 100644
index 816e9590fc7..00000000000
--- a/arch/um/include/asm/types.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_TYPES_H
-#define __UM_TYPES_H
-
-#include "asm/arch/types.h"
-
-#endif
diff --git a/arch/um/include/asm/ucontext.h b/arch/um/include/asm/ucontext.h
deleted file mode 100644
index 5c96c0e607f..00000000000
--- a/arch/um/include/asm/ucontext.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_UM_UCONTEXT_H
-#define _ASM_UM_UCONTEXT_H
-
-#include "asm/arch/ucontext.h"
-
-#endif
diff --git a/arch/um/include/asm/unaligned.h b/arch/um/include/asm/unaligned.h
deleted file mode 100644
index a47196974e3..00000000000
--- a/arch/um/include/asm/unaligned.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_UM_UNALIGNED_H
-#define _ASM_UM_UNALIGNED_H
-
-#include "asm/arch/unaligned.h"
-
-#endif /* _ASM_UM_UNALIGNED_H */
diff --git a/arch/um/include/asm/user.h b/arch/um/include/asm/user.h
deleted file mode 100644
index aae414ee1f5..00000000000
--- a/arch/um/include/asm/user.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_USER_H
-#define __UM_USER_H
-
-#include "asm/arch/user.h"
-
-#endif
diff --git a/arch/um/include/asm/vga.h b/arch/um/include/asm/vga.h
deleted file mode 100644
index 903a592b00d..00000000000
--- a/arch/um/include/asm/vga.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_VGA_H
-#define __UM_VGA_H
-
-#include "asm/arch/vga.h"
-
-#endif
diff --git a/arch/um/include/asm/vm86.h b/arch/um/include/asm/vm86.h
deleted file mode 100644
index 7801f82de1f..00000000000
--- a/arch/um/include/asm/vm86.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_VM86_H
-#define __UM_VM86_H
-
-#include "asm/arch/vm86.h"
-
-#endif
-- 
GitLab


From 3be311e324087d94050010b97821b9d77a45e92f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 17 Aug 2008 23:58:32 -0400
Subject: [PATCH 2047/2224] x86, um: sanitize uml sigcontext.h uses

a) the only difference between sigcontext and sysdep/sigcontext
is that the former contains externs for two long-dead functions.
Removed, switched the only user to sysdep/sigcontext

b) asm/sigcontext.h is removable - that of underlying architecture
would get used.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                         |  2 +-
 arch/um/include/asm/sigcontext-generic.h |  6 ------
 arch/um/include/asm/sigcontext-i386.h    |  6 ------
 arch/um/include/asm/sigcontext-ppc.h     | 10 ----------
 arch/um/include/asm/sigcontext-x86_64.h  | 22 ---------------------
 arch/um/include/shared/sigcontext.h      | 25 ------------------------
 arch/um/kernel/signal.c                  |  2 +-
 7 files changed, 2 insertions(+), 71 deletions(-)
 delete mode 100644 arch/um/include/asm/sigcontext-generic.h
 delete mode 100644 arch/um/include/asm/sigcontext-i386.h
 delete mode 100644 arch/um/include/asm/sigcontext-ppc.h
 delete mode 100644 arch/um/include/asm/sigcontext-x86_64.h
 delete mode 100644 arch/um/include/shared/sigcontext.h

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 3474b105ee6..33d59f1ff57 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -19,7 +19,7 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 			   $(ARCH_DIR)/os-$(OS)/
 
 # Have to precede the include because the included Makefiles reference them.
-SYMLINK_HEADERS := archparam.h system.h sigcontext.h processor.h ptrace.h \
+SYMLINK_HEADERS := archparam.h system.h processor.h ptrace.h \
 	module.h vm-flags.h elf.h host_ldt.h
 SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header))
 
diff --git a/arch/um/include/asm/sigcontext-generic.h b/arch/um/include/asm/sigcontext-generic.h
deleted file mode 100644
index 164587014c6..00000000000
--- a/arch/um/include/asm/sigcontext-generic.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SIGCONTEXT_GENERIC_H
-#define __UM_SIGCONTEXT_GENERIC_H
-
-#include "asm/arch/sigcontext.h"
-
-#endif
diff --git a/arch/um/include/asm/sigcontext-i386.h b/arch/um/include/asm/sigcontext-i386.h
deleted file mode 100644
index b88333f488b..00000000000
--- a/arch/um/include/asm/sigcontext-i386.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SIGCONTEXT_I386_H
-#define __UM_SIGCONTEXT_I386_H
-
-#include "asm/sigcontext-generic.h"
-
-#endif
diff --git a/arch/um/include/asm/sigcontext-ppc.h b/arch/um/include/asm/sigcontext-ppc.h
deleted file mode 100644
index 2467f20eda9..00000000000
--- a/arch/um/include/asm/sigcontext-ppc.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef __UM_SIGCONTEXT_PPC_H
-#define __UM_SIGCONTEXT_PPC_H
-
-#define pt_regs sys_pt_regs
-
-#include "asm/sigcontext-generic.h"
-
-#undef pt_regs
-
-#endif
diff --git a/arch/um/include/asm/sigcontext-x86_64.h b/arch/um/include/asm/sigcontext-x86_64.h
deleted file mode 100644
index b600e0b01e4..00000000000
--- a/arch/um/include/asm/sigcontext-x86_64.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright 2003 PathScale, Inc.
- *
- * Licensed under the GPL
- */
-
-#ifndef __UM_SIGCONTEXT_X86_64_H
-#define __UM_SIGCONTEXT_X86_64_H
-
-#include "asm/sigcontext-generic.h"
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/shared/sigcontext.h b/arch/um/include/shared/sigcontext.h
deleted file mode 100644
index 59816ca7a8d..00000000000
--- a/arch/um/include/shared/sigcontext.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* 
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __UML_SIGCONTEXT_H__
-#define __UML_SIGCONTEXT_H__
-
-#include "sysdep/sigcontext.h"
-
-extern int sc_size(void *data);
-extern void sc_to_sc(void *to_ptr, void *from_ptr);
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index b0fce720c4d..b5c094c4ade 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -11,7 +11,7 @@
 #include <asm/unistd.h>
 #include "frame_kern.h"
 #include "kern_util.h"
-#include "sigcontext.h"
+#include <sysdep/sigcontext.h>
 
 EXPORT_SYMBOL(block_signals);
 EXPORT_SYMBOL(unblock_signals);
-- 
GitLab


From 2e074004c6b71a93c8e08c0dd5e3cec0b92ad0e5 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 00:12:41 -0400
Subject: [PATCH 2048/2224] x86, um: get rid of uml signal.h

the only theoretical reason for it these days is ppc; aside of uml/ppc
being dead, do_signal() would be happier in arch/powerpc/kernel/signal.h
anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/powerpc/include/asm/signal.h |  1 -
 arch/powerpc/kernel/signal.h      |  2 ++
 arch/um/include/asm/signal.h      | 29 -----------------------------
 3 files changed, 2 insertions(+), 30 deletions(-)
 delete mode 100644 arch/um/include/asm/signal.h

diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h
index a7360cdd99e..69f709d8e8e 100644
--- a/arch/powerpc/include/asm/signal.h
+++ b/arch/powerpc/include/asm/signal.h
@@ -122,7 +122,6 @@ typedef struct sigaltstack {
 
 #ifdef __KERNEL__
 struct pt_regs;
-extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 #endif /* __KERNEL__ */
 
diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h
index 28f4b9f5fe5..b427bf8e1d8 100644
--- a/arch/powerpc/kernel/signal.h
+++ b/arch/powerpc/kernel/signal.h
@@ -12,6 +12,8 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags);
+
 extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
 				  size_t frame_size);
 extern void restore_sigmask(sigset_t *set);
diff --git a/arch/um/include/asm/signal.h b/arch/um/include/asm/signal.h
deleted file mode 100644
index 52ed92cbce4..00000000000
--- a/arch/um/include/asm/signal.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* 
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __UM_SIGNAL_H
-#define __UM_SIGNAL_H
-
-/* Need to kill the do_signal() declaration in the i386 signal.h */
-
-#define do_signal do_signal_renamed
-#include "asm/arch/signal.h"
-#undef do_signal
-#undef ptrace_signal_deliver
-
-#define ptrace_signal_deliver(regs, cookie) do {} while(0)
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
-- 
GitLab


From 7127da4ee4447cb718c5ae553878458ec5e648f8 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 00:14:39 -0400
Subject: [PATCH 2049/2224] x86, um: remove dead header (uml module-generic.h;
 never used these days)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/include/asm/module-generic.h | 6 ------
 1 file changed, 6 deletions(-)
 delete mode 100644 arch/um/include/asm/module-generic.h

diff --git a/arch/um/include/asm/module-generic.h b/arch/um/include/asm/module-generic.h
deleted file mode 100644
index 5a265f56b17..00000000000
--- a/arch/um/include/asm/module-generic.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_MODULE_GENERIC_H
-#define __UM_MODULE_GENERIC_H
-
-#include "asm/arch/module.h"
-
-#endif
-- 
GitLab


From 5077c2a9cd43e8db71f8257e745e1d27e7b79d3f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 00:19:01 -0400
Subject: [PATCH 2050/2224] x86, um: get rid of more uml asm/arch uses

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/include/asm/processor-i386.h   | 2 +-
 arch/um/include/asm/processor-x86_64.h | 2 +-
 arch/um/include/asm/ptrace-generic.h   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/include/asm/processor-i386.h
index a2b7fe13fe1..4f8be006363 100644
--- a/arch/um/include/asm/processor-i386.h
+++ b/arch/um/include/asm/processor-i386.h
@@ -48,7 +48,7 @@ static inline void arch_copy_thread(struct arch_thread *from,
         memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array));
 }
 
-#include "asm/arch/user.h"
+#include <asm/user.h>
 
 /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
 static inline void rep_nop(void)
diff --git a/arch/um/include/asm/processor-x86_64.h b/arch/um/include/asm/processor-x86_64.h
index e50933175e9..875a26a6261 100644
--- a/arch/um/include/asm/processor-x86_64.h
+++ b/arch/um/include/asm/processor-x86_64.h
@@ -40,7 +40,7 @@ static inline void arch_copy_thread(struct arch_thread *from,
 	to->fs = from->fs;
 }
 
-#include "asm/arch/user.h"
+#include <asm/user.h>
 
 #define current_text_addr() \
 	({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; })
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index 315749705ea..6c8899013c9 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -8,7 +8,7 @@
 
 #ifndef __ASSEMBLY__
 
-#include "asm/arch/ptrace-abi.h"
+#include <asm/ptrace-abi.h>
 #include <asm/user.h>
 #include "sysdep/ptrace.h"
 
-- 
GitLab


From efb21cc2384e385c4873ac6e7b23f16659469ea9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 01:26:38 -0400
Subject: [PATCH 2051/2224] x86, um: untangle uml ldt.h

* turn asm/ldt.h into ldt.h; update the (very few) users
* take host_ldt.h into sysdep, kill symlink mess
* includes of asm/arch/ldt.h turn into asm/ldt.h now

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                                                | 2 +-
 arch/um/include/asm/processor-i386.h                            | 2 +-
 arch/um/include/asm/ptrace-x86_64.h                             | 2 +-
 arch/um/include/{asm => shared}/ldt.h                           | 2 +-
 .../{asm/host_ldt-i386.h => shared/sysdep-i386/host_ldt.h}      | 2 +-
 arch/um/include/shared/sysdep-i386/tls.h                        | 2 +-
 .../{asm/host_ldt-x86_64.h => shared/sysdep-x86_64/host_ldt.h}  | 2 +-
 arch/um/include/shared/sysdep-x86_64/tls.h                      | 2 +-
 arch/um/include/shared/um_mmu.h                                 | 2 +-
 9 files changed, 9 insertions(+), 9 deletions(-)
 rename arch/um/include/{asm => shared}/ldt.h (95%)
 rename arch/um/include/{asm/host_ldt-i386.h => shared/sysdep-i386/host_ldt.h} (97%)
 rename arch/um/include/{asm/host_ldt-x86_64.h => shared/sysdep-x86_64/host_ldt.h} (97%)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 33d59f1ff57..909d16b07a4 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -20,7 +20,7 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 
 # Have to precede the include because the included Makefiles reference them.
 SYMLINK_HEADERS := archparam.h system.h processor.h ptrace.h \
-	module.h vm-flags.h elf.h host_ldt.h
+	module.h vm-flags.h elf.h
 SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header))
 
 # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/include/asm/processor-i386.h
index 4f8be006363..82a9061ab5b 100644
--- a/arch/um/include/asm/processor-i386.h
+++ b/arch/um/include/asm/processor-i386.h
@@ -7,7 +7,7 @@
 #define __UM_PROCESSOR_I386_H
 
 #include "linux/string.h"
-#include "asm/host_ldt.h"
+#include <sysdep/host_ldt.h>
 #include "asm/segment.h"
 
 extern int host_has_cmov;
diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/include/asm/ptrace-x86_64.h
index 4c475350dcf..2653fbaa352 100644
--- a/arch/um/include/asm/ptrace-x86_64.h
+++ b/arch/um/include/asm/ptrace-x86_64.h
@@ -9,7 +9,7 @@
 
 #include "linux/compiler.h"
 #include "asm/errno.h"
-#include "asm/host_ldt.h"
+#include <sysdep/host_ldt.h>
 
 #define __FRAME_OFFSETS /* Needed to get the R* macros */
 #include "asm/ptrace-generic.h"
diff --git a/arch/um/include/asm/ldt.h b/arch/um/include/shared/ldt.h
similarity index 95%
rename from arch/um/include/asm/ldt.h
rename to arch/um/include/shared/ldt.h
index 52af512f5e7..a7f999a5877 100644
--- a/arch/um/include/asm/ldt.h
+++ b/arch/um/include/shared/ldt.h
@@ -9,7 +9,7 @@
 #define __ASM_LDT_H
 
 #include <linux/mutex.h>
-#include "asm/host_ldt.h"
+#include <sysdep/host_ldt.h>
 
 extern void ldt_host_info(void);
 
diff --git a/arch/um/include/asm/host_ldt-i386.h b/arch/um/include/shared/sysdep-i386/host_ldt.h
similarity index 97%
rename from arch/um/include/asm/host_ldt-i386.h
rename to arch/um/include/shared/sysdep-i386/host_ldt.h
index b27cb0a9dd3..0953cc4df65 100644
--- a/arch/um/include/asm/host_ldt-i386.h
+++ b/arch/um/include/shared/sysdep-i386/host_ldt.h
@@ -1,7 +1,7 @@
 #ifndef __ASM_HOST_LDT_I386_H
 #define __ASM_HOST_LDT_I386_H
 
-#include "asm/arch/ldt.h"
+#include <asm/ldt.h>
 
 /*
  * macros stolen from include/asm-i386/desc.h
diff --git a/arch/um/include/shared/sysdep-i386/tls.h b/arch/um/include/shared/sysdep-i386/tls.h
index 918fd3c5ff9..34550755b2a 100644
--- a/arch/um/include/shared/sysdep-i386/tls.h
+++ b/arch/um/include/shared/sysdep-i386/tls.h
@@ -21,7 +21,7 @@ typedef struct um_dup_user_desc {
 
 # else /* __KERNEL__ */
 
-#  include <asm/ldt.h>
+#  include <ldt.h>
 typedef struct user_desc user_desc_t;
 
 # endif /* __KERNEL__ */
diff --git a/arch/um/include/asm/host_ldt-x86_64.h b/arch/um/include/shared/sysdep-x86_64/host_ldt.h
similarity index 97%
rename from arch/um/include/asm/host_ldt-x86_64.h
rename to arch/um/include/shared/sysdep-x86_64/host_ldt.h
index 74a63f7d9a9..e8b1be1e154 100644
--- a/arch/um/include/asm/host_ldt-x86_64.h
+++ b/arch/um/include/shared/sysdep-x86_64/host_ldt.h
@@ -1,7 +1,7 @@
 #ifndef __ASM_HOST_LDT_X86_64_H
 #define __ASM_HOST_LDT_X86_64_H
 
-#include "asm/arch/ldt.h"
+#include <asm/ldt.h>
 
 /*
  * macros stolen from include/asm-x86_64/desc.h
diff --git a/arch/um/include/shared/sysdep-x86_64/tls.h b/arch/um/include/shared/sysdep-x86_64/tls.h
index 35f19f25bd3..18c000d0357 100644
--- a/arch/um/include/shared/sysdep-x86_64/tls.h
+++ b/arch/um/include/shared/sysdep-x86_64/tls.h
@@ -22,7 +22,7 @@ typedef struct um_dup_user_desc {
 
 # else /* __KERNEL__ */
 
-#  include <asm/ldt.h>
+#  include <ldt.h>
 typedef struct user_desc user_desc_t;
 
 # endif /* __KERNEL__ */
diff --git a/arch/um/include/shared/um_mmu.h b/arch/um/include/shared/um_mmu.h
index f575ff91f2a..4cc1ef4d022 100644
--- a/arch/um/include/shared/um_mmu.h
+++ b/arch/um/include/shared/um_mmu.h
@@ -8,7 +8,7 @@
 
 #include "uml-config.h"
 #include "mm_id.h"
-#include "asm/ldt.h"
+#include "ldt.h"
 
 typedef struct mm_context {
 	struct mm_id id;
-- 
GitLab


From 32926b3be19fa4859c02f248a342f2d62822dcfe Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 01:36:36 -0400
Subject: [PATCH 2052/2224] x86, um: uml atomic.h is not needed anymore

Its only difference from underlying atomic.h used to be the include
of kernel.h; it's not needed there anymore.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/include/asm/atomic.h | 11 -----------
 1 file changed, 11 deletions(-)
 delete mode 100644 arch/um/include/asm/atomic.h

diff --git a/arch/um/include/asm/atomic.h b/arch/um/include/asm/atomic.h
deleted file mode 100644
index b683f1034d1..00000000000
--- a/arch/um/include/asm/atomic.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef __UM_ATOMIC_H
-#define __UM_ATOMIC_H
-
-/* The i386 atomic.h calls printk, but doesn't include kernel.h, so we
- * include it here.
- */
-#include "linux/kernel.h"
-
-#include "asm/arch/atomic.h"
-
-#endif
-- 
GitLab


From 6a0eec8224db1191876770f7cac31f2a2637a6f5 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 03:25:24 -0400
Subject: [PATCH 2053/2224] x86, um: get rid of system.h -> system.h include

Long-term we want to split system.h and include barriers part from
underlying target; for now copy that part to sysdep.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                              |   2 +-
 arch/um/include/asm/system-i386.h             |   6 -
 arch/um/include/asm/system-ppc.h              |  12 --
 arch/um/include/asm/system-x86_64.h           |  23 ---
 .../asm/{system-generic.h => system.h}        |  14 +-
 arch/um/include/shared/sysdep-i386/system.h   | 132 ++++++++++++++++++
 arch/um/include/shared/sysdep-x86_64/system.h | 132 ++++++++++++++++++
 7 files changed, 266 insertions(+), 55 deletions(-)
 delete mode 100644 arch/um/include/asm/system-i386.h
 delete mode 100644 arch/um/include/asm/system-ppc.h
 delete mode 100644 arch/um/include/asm/system-x86_64.h
 rename arch/um/include/asm/{system-generic.h => system.h} (79%)
 create mode 100644 arch/um/include/shared/sysdep-i386/system.h
 create mode 100644 arch/um/include/shared/sysdep-x86_64/system.h

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 909d16b07a4..11cb7baa0fe 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -19,7 +19,7 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 			   $(ARCH_DIR)/os-$(OS)/
 
 # Have to precede the include because the included Makefiles reference them.
-SYMLINK_HEADERS := archparam.h system.h processor.h ptrace.h \
+SYMLINK_HEADERS := archparam.h processor.h ptrace.h \
 	module.h vm-flags.h elf.h
 SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header))
 
diff --git a/arch/um/include/asm/system-i386.h b/arch/um/include/asm/system-i386.h
deleted file mode 100644
index c436263e67b..00000000000
--- a/arch/um/include/asm/system-i386.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SYSTEM_I386_H
-#define __UM_SYSTEM_I386_H
-
-#include "asm/system-generic.h"
-    
-#endif
diff --git a/arch/um/include/asm/system-ppc.h b/arch/um/include/asm/system-ppc.h
deleted file mode 100644
index 17cde6640bf..00000000000
--- a/arch/um/include/asm/system-ppc.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef __UM_SYSTEM_PPC_H
-#define __UM_SYSTEM_PPC_H
-
-#define _switch_to _ppc_switch_to
-
-#include "asm/arch/system.h"
-
-#undef _switch_to
- 
-#include "asm/system-generic.h"
-
-#endif
diff --git a/arch/um/include/asm/system-x86_64.h b/arch/um/include/asm/system-x86_64.h
deleted file mode 100644
index e1b61b58073..00000000000
--- a/arch/um/include/asm/system-x86_64.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright 2003 PathScale, Inc.
- *
- * Licensed under the GPL
- */
-
-#ifndef __UM_SYSTEM_X86_64_H
-#define __UM_SYSTEM_X86_64_H
-
-#include "asm/system-generic.h"
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/asm/system-generic.h b/arch/um/include/asm/system.h
similarity index 79%
rename from arch/um/include/asm/system-generic.h
rename to arch/um/include/asm/system.h
index 5bcfa35e7a2..753346e2cdf 100644
--- a/arch/um/include/asm/system-generic.h
+++ b/arch/um/include/asm/system.h
@@ -1,19 +1,7 @@
 #ifndef __UM_SYSTEM_GENERIC_H
 #define __UM_SYSTEM_GENERIC_H
 
-#include "asm/arch/system.h"
-
-#undef switch_to
-#undef local_irq_save
-#undef local_irq_restore
-#undef local_irq_disable
-#undef local_irq_enable
-#undef local_save_flags
-#undef local_irq_restore
-#undef local_irq_enable
-#undef local_irq_disable
-#undef local_irq_save
-#undef irqs_disabled
+#include "sysdep/system.h"
 
 extern void *switch_to(void *prev, void *next, void *last);
 
diff --git a/arch/um/include/shared/sysdep-i386/system.h b/arch/um/include/shared/sysdep-i386/system.h
new file mode 100644
index 00000000000..d1b93c43620
--- /dev/null
+++ b/arch/um/include/shared/sysdep-i386/system.h
@@ -0,0 +1,132 @@
+#ifndef _ASM_X86_SYSTEM_H_
+#define _ASM_X86_SYSTEM_H_
+
+#include <asm/asm.h>
+#include <asm/segment.h>
+#include <asm/cpufeature.h>
+#include <asm/cmpxchg.h>
+#include <asm/nops.h>
+
+#include <linux/kernel.h>
+#include <linux/irqflags.h>
+
+/* entries in ARCH_DLINFO: */
+#ifdef CONFIG_IA32_EMULATION
+# define AT_VECTOR_SIZE_ARCH 2
+#else
+# define AT_VECTOR_SIZE_ARCH 1
+#endif
+
+extern unsigned long arch_align_stack(unsigned long sp);
+
+void default_idle(void);
+
+/*
+ * Force strict CPU ordering.
+ * And yes, this is required on UP too when we're talking
+ * to devices.
+ */
+#ifdef CONFIG_X86_32
+/*
+ * Some non-Intel clones support out of order store. wmb() ceases to be a
+ * nop for these.
+ */
+#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2)
+#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2)
+#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM)
+#else
+#define mb() 	asm volatile("mfence":::"memory")
+#define rmb()	asm volatile("lfence":::"memory")
+#define wmb()	asm volatile("sfence" ::: "memory")
+#endif
+
+/**
+ * read_barrier_depends - Flush all pending reads that subsequents reads
+ * depend on.
+ *
+ * No data-dependent reads from memory-like regions are ever reordered
+ * over this barrier.  All reads preceding this primitive are guaranteed
+ * to access memory (but not necessarily other CPUs' caches) before any
+ * reads following this primitive that depend on the data return by
+ * any of the preceding reads.  This primitive is much lighter weight than
+ * rmb() on most CPUs, and is never heavier weight than is
+ * rmb().
+ *
+ * These ordering constraints are respected by both the local CPU
+ * and the compiler.
+ *
+ * Ordering is not guaranteed by anything other than these primitives,
+ * not even by data dependencies.  See the documentation for
+ * memory_barrier() for examples and URLs to more information.
+ *
+ * For example, the following code would force ordering (the initial
+ * value of "a" is zero, "b" is one, and "p" is "&a"):
+ *
+ * <programlisting>
+ *	CPU 0				CPU 1
+ *
+ *	b = 2;
+ *	memory_barrier();
+ *	p = &b;				q = p;
+ *					read_barrier_depends();
+ *					d = *q;
+ * </programlisting>
+ *
+ * because the read of "*q" depends on the read of "p" and these
+ * two reads are separated by a read_barrier_depends().  However,
+ * the following code, with the same initial values for "a" and "b":
+ *
+ * <programlisting>
+ *	CPU 0				CPU 1
+ *
+ *	a = 2;
+ *	memory_barrier();
+ *	b = 3;				y = b;
+ *					read_barrier_depends();
+ *					x = a;
+ * </programlisting>
+ *
+ * does not enforce ordering, since there is no data dependency between
+ * the read of "a" and the read of "b".  Therefore, on some CPUs, such
+ * as Alpha, "y" could be set to 3 and "x" to 0.  Use rmb()
+ * in cases like this where there are no data dependencies.
+ **/
+
+#define read_barrier_depends()	do { } while (0)
+
+#ifdef CONFIG_SMP
+#define smp_mb()	mb()
+#ifdef CONFIG_X86_PPRO_FENCE
+# define smp_rmb()	rmb()
+#else
+# define smp_rmb()	barrier()
+#endif
+#ifdef CONFIG_X86_OOSTORE
+# define smp_wmb() 	wmb()
+#else
+# define smp_wmb()	barrier()
+#endif
+#define smp_read_barrier_depends()	read_barrier_depends()
+#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
+#else
+#define smp_mb()	barrier()
+#define smp_rmb()	barrier()
+#define smp_wmb()	barrier()
+#define smp_read_barrier_depends()	do { } while (0)
+#define set_mb(var, value) do { var = value; barrier(); } while (0)
+#endif
+
+/*
+ * Stop RDTSC speculation. This is needed when you need to use RDTSC
+ * (or get_cycles or vread that possibly accesses the TSC) in a defined
+ * code region.
+ *
+ * (Could use an alternative three way for this if there was one.)
+ */
+static inline void rdtsc_barrier(void)
+{
+	alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC);
+	alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
+}
+
+#endif
diff --git a/arch/um/include/shared/sysdep-x86_64/system.h b/arch/um/include/shared/sysdep-x86_64/system.h
new file mode 100644
index 00000000000..d1b93c43620
--- /dev/null
+++ b/arch/um/include/shared/sysdep-x86_64/system.h
@@ -0,0 +1,132 @@
+#ifndef _ASM_X86_SYSTEM_H_
+#define _ASM_X86_SYSTEM_H_
+
+#include <asm/asm.h>
+#include <asm/segment.h>
+#include <asm/cpufeature.h>
+#include <asm/cmpxchg.h>
+#include <asm/nops.h>
+
+#include <linux/kernel.h>
+#include <linux/irqflags.h>
+
+/* entries in ARCH_DLINFO: */
+#ifdef CONFIG_IA32_EMULATION
+# define AT_VECTOR_SIZE_ARCH 2
+#else
+# define AT_VECTOR_SIZE_ARCH 1
+#endif
+
+extern unsigned long arch_align_stack(unsigned long sp);
+
+void default_idle(void);
+
+/*
+ * Force strict CPU ordering.
+ * And yes, this is required on UP too when we're talking
+ * to devices.
+ */
+#ifdef CONFIG_X86_32
+/*
+ * Some non-Intel clones support out of order store. wmb() ceases to be a
+ * nop for these.
+ */
+#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2)
+#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2)
+#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM)
+#else
+#define mb() 	asm volatile("mfence":::"memory")
+#define rmb()	asm volatile("lfence":::"memory")
+#define wmb()	asm volatile("sfence" ::: "memory")
+#endif
+
+/**
+ * read_barrier_depends - Flush all pending reads that subsequents reads
+ * depend on.
+ *
+ * No data-dependent reads from memory-like regions are ever reordered
+ * over this barrier.  All reads preceding this primitive are guaranteed
+ * to access memory (but not necessarily other CPUs' caches) before any
+ * reads following this primitive that depend on the data return by
+ * any of the preceding reads.  This primitive is much lighter weight than
+ * rmb() on most CPUs, and is never heavier weight than is
+ * rmb().
+ *
+ * These ordering constraints are respected by both the local CPU
+ * and the compiler.
+ *
+ * Ordering is not guaranteed by anything other than these primitives,
+ * not even by data dependencies.  See the documentation for
+ * memory_barrier() for examples and URLs to more information.
+ *
+ * For example, the following code would force ordering (the initial
+ * value of "a" is zero, "b" is one, and "p" is "&a"):
+ *
+ * <programlisting>
+ *	CPU 0				CPU 1
+ *
+ *	b = 2;
+ *	memory_barrier();
+ *	p = &b;				q = p;
+ *					read_barrier_depends();
+ *					d = *q;
+ * </programlisting>
+ *
+ * because the read of "*q" depends on the read of "p" and these
+ * two reads are separated by a read_barrier_depends().  However,
+ * the following code, with the same initial values for "a" and "b":
+ *
+ * <programlisting>
+ *	CPU 0				CPU 1
+ *
+ *	a = 2;
+ *	memory_barrier();
+ *	b = 3;				y = b;
+ *					read_barrier_depends();
+ *					x = a;
+ * </programlisting>
+ *
+ * does not enforce ordering, since there is no data dependency between
+ * the read of "a" and the read of "b".  Therefore, on some CPUs, such
+ * as Alpha, "y" could be set to 3 and "x" to 0.  Use rmb()
+ * in cases like this where there are no data dependencies.
+ **/
+
+#define read_barrier_depends()	do { } while (0)
+
+#ifdef CONFIG_SMP
+#define smp_mb()	mb()
+#ifdef CONFIG_X86_PPRO_FENCE
+# define smp_rmb()	rmb()
+#else
+# define smp_rmb()	barrier()
+#endif
+#ifdef CONFIG_X86_OOSTORE
+# define smp_wmb() 	wmb()
+#else
+# define smp_wmb()	barrier()
+#endif
+#define smp_read_barrier_depends()	read_barrier_depends()
+#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
+#else
+#define smp_mb()	barrier()
+#define smp_rmb()	barrier()
+#define smp_wmb()	barrier()
+#define smp_read_barrier_depends()	do { } while (0)
+#define set_mb(var, value) do { var = value; barrier(); } while (0)
+#endif
+
+/*
+ * Stop RDTSC speculation. This is needed when you need to use RDTSC
+ * (or get_cycles or vread that possibly accesses the TSC) in a defined
+ * code region.
+ *
+ * (Could use an alternative three way for this if there was one.)
+ */
+static inline void rdtsc_barrier(void)
+{
+	alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC);
+	alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
+}
+
+#endif
-- 
GitLab


From ff64b4c18624ca545dd360c4fa65334d19ee7b6f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 04:01:47 -0400
Subject: [PATCH 2054/2224] x86, um: get rid of uml unistd.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/include/asm/unistd.h | 41 ------------------------------------
 arch/um/kernel/exec.c        |  1 +
 arch/um/kernel/internal.h    |  1 +
 arch/um/kernel/syscall.c     |  1 +
 arch/um/sys-i386/syscalls.c  |  1 +
 5 files changed, 4 insertions(+), 41 deletions(-)
 delete mode 100644 arch/um/include/asm/unistd.h
 create mode 100644 arch/um/kernel/internal.h

diff --git a/arch/um/include/asm/unistd.h b/arch/um/include/asm/unistd.h
deleted file mode 100644
index 38bd9d94ee4..00000000000
--- a/arch/um/include/asm/unistd.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* 
- * Copyright (C) 2000 - 2004  Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef _UM_UNISTD_H_
-#define _UM_UNISTD_H_
-
-#include <linux/syscalls.h>
-#include "linux/resource.h"
-#include "asm/uaccess.h"
-
-extern int um_execve(const char *file, char *const argv[], char *const env[]);
-
-#ifdef __KERNEL__
-/* We get __ARCH_WANT_OLD_STAT and __ARCH_WANT_STAT64 from the base arch */
-#define __ARCH_WANT_OLD_READDIR
-#define __ARCH_WANT_SYS_ALARM
-#define __ARCH_WANT_SYS_GETHOSTNAME
-#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
-#define __ARCH_WANT_SYS_SIGNAL
-#define __ARCH_WANT_SYS_TIME
-#define __ARCH_WANT_SYS_UTIME
-#define __ARCH_WANT_SYS_WAITPID
-#define __ARCH_WANT_SYS_SOCKETCALL
-#define __ARCH_WANT_SYS_FADVISE64
-#define __ARCH_WANT_SYS_GETPGRP
-#define __ARCH_WANT_SYS_LLSEEK
-#define __ARCH_WANT_SYS_NICE
-#define __ARCH_WANT_SYS_OLD_GETRLIMIT
-#define __ARCH_WANT_SYS_OLDUMOUNT
-#define __ARCH_WANT_SYS_SIGPENDING
-#define __ARCH_WANT_SYS_SIGPROCMASK
-#define __ARCH_WANT_SYS_RT_SIGACTION
-#define __ARCH_WANT_SYS_RT_SIGSUSPEND
-#endif
-
-#include "asm/arch/unistd.h"
-
-#endif /* _UM_UNISTD_H_*/
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 598711c62c8..fda30d21fb9 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -15,6 +15,7 @@
 #include "mem_user.h"
 #include "skas.h"
 #include "os.h"
+#include "internal.h"
 
 void flush_thread(void)
 {
diff --git a/arch/um/kernel/internal.h b/arch/um/kernel/internal.h
new file mode 100644
index 00000000000..3bda43c7a78
--- /dev/null
+++ b/arch/um/kernel/internal.h
@@ -0,0 +1 @@
+extern long um_execve(char *file, char __user *__user *argv, char __user *__user *env);
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index 128ee85bc8d..c4df705b835 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -12,6 +12,7 @@
 #include "asm/mman.h"
 #include "asm/uaccess.h"
 #include "asm/unistd.h"
+#include "internal.h"
 
 long sys_fork(void)
 {
diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c
index e2d14268441..857ca0b3bde 100644
--- a/arch/um/sys-i386/syscalls.c
+++ b/arch/um/sys-i386/syscalls.c
@@ -6,6 +6,7 @@
 #include "linux/sched.h"
 #include "linux/shm.h"
 #include "linux/ipc.h"
+#include "linux/syscalls.h"
 #include "asm/mman.h"
 #include "asm/uaccess.h"
 #include "asm/unistd.h"
-- 
GitLab


From fe1cd9876fa6250a8eb3ae138917a2040eca2c47 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 04:15:12 -0400
Subject: [PATCH 2055/2224] x86, um: get rid of uml highmem.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/include/asm/archparam-i386.h | 10 +++++-----
 arch/um/include/asm/fixmap.h         |  1 +
 arch/um/include/asm/highmem.h        | 12 ------------
 arch/um/include/asm/pgtable.h        |  8 ++++++++
 4 files changed, 14 insertions(+), 17 deletions(-)
 delete mode 100644 arch/um/include/asm/highmem.h

diff --git a/arch/um/include/asm/archparam-i386.h b/arch/um/include/asm/archparam-i386.h
index 49e89b8d7e5..93fd723344e 100644
--- a/arch/um/include/asm/archparam-i386.h
+++ b/arch/um/include/asm/archparam-i386.h
@@ -6,11 +6,11 @@
 #ifndef __UM_ARCHPARAM_I386_H
 #define __UM_ARCHPARAM_I386_H
 
-/********* Nothing for asm-um/hardirq.h **********/
-
-/********* Nothing for asm-um/hw_irq.h **********/
-
-/********* Nothing for asm-um/string.h **********/
+#ifdef CONFIG_X86_PAE
+#define LAST_PKMAP 512
+#else
+#define LAST_PKMAP 1024
+#endif
 
 #endif
 
diff --git a/arch/um/include/asm/fixmap.h b/arch/um/include/asm/fixmap.h
index 9d2be52b865..69c0252345f 100644
--- a/arch/um/include/asm/fixmap.h
+++ b/arch/um/include/asm/fixmap.h
@@ -6,6 +6,7 @@
 #include <asm/kmap_types.h>
 #include <asm/archparam.h>
 #include <asm/page.h>
+#include <linux/threads.h>
 
 /*
  * Here we define all the compile-time 'special' virtual
diff --git a/arch/um/include/asm/highmem.h b/arch/um/include/asm/highmem.h
deleted file mode 100644
index 36974cb8abc..00000000000
--- a/arch/um/include/asm/highmem.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef __UM_HIGHMEM_H
-#define __UM_HIGHMEM_H
-
-#include "asm/page.h"
-#include "asm/fixmap.h"
-#include "asm/arch/highmem.h"
-
-#undef PKMAP_BASE
-
-#define PKMAP_BASE ((FIXADDR_START - LAST_PKMAP * PAGE_SIZE) & PMD_MASK)
-
-#endif
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 02db81b7b86..58da2480a7f 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -47,6 +47,7 @@ extern unsigned long end_iomem;
 
 #define VMALLOC_OFFSET	(__va_space)
 #define VMALLOC_START ((end_iomem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
+#define PKMAP_BASE ((FIXADDR_START - LAST_PKMAP * PAGE_SIZE) & PMD_MASK)
 #ifdef CONFIG_HIGHMEM
 # define VMALLOC_END	(PKMAP_BASE-2*PAGE_SIZE)
 #else
@@ -355,4 +356,11 @@ extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr);
 
 #include <asm-generic/pgtable.h>
 
+/* Clear a kernel PTE and flush it from the TLB */
+#define kpte_clear_flush(ptep, vaddr)		\
+do {						\
+	pte_clear(&init_mm, (vaddr), (ptep));	\
+	__flush_tlb_one((vaddr));		\
+} while (0)
+
 #endif
-- 
GitLab


From 6b0eed4ef3d024c3a709fbc3bb45ee5b0ac8486d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 04:54:36 -0400
Subject: [PATCH 2056/2224] x86, um: get rid of uml asm/arch

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile             | 13 ++-----------
 arch/um/include/asm/string.h |  7 -------
 2 files changed, 2 insertions(+), 18 deletions(-)
 delete mode 100644 arch/um/include/asm/string.h

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 11cb7baa0fe..fac25e20212 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -28,7 +28,7 @@ SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$
 #
 # These are cleaned up during mrproper. Please DO NOT fix it again, this is
 # the Correct Thing(tm) to do!
-ARCH_SYMLINKS = $(ARCH_DIR)/include/asm/arch $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \
+ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \
 	$(SYMLINK_HEADERS) $(ARCH_DIR)/include/shared/uml-config.h
 
 MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
@@ -38,7 +38,7 @@ include $(srctree)/$(ARCH_DIR)/Makefile-skas
 ARCH_INCLUDE	:= -I$(ARCH_DIR)/include/shared
 ifneq ($(KBUILD_SRC),)
 ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared
-KBUILD_CPPFLAGS += -I$(ARCH_DIR)/include # for arch symlink
+KBUILD_CPPFLAGS	+= -I$(ARCH_DIR)/include # for SYMLINK_HEADERS
 endif
 SYS_DIR		:= $(ARCH_DIR)/include/shared/sysdep-$(SUBARCH)
 
@@ -154,15 +154,6 @@ else
 	$(Q)ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
 endif
 
-$(ARCH_DIR)/include/asm/arch:
-	@echo '  SYMLINK $@'
-ifneq ($(KBUILD_SRC),)
-	$(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm
-	$(Q)ln -fsn $(srctree)/arch/$(HEADER_ARCH)/include/asm $@
-else
-	$(Q)ln -fsn ../../../$(HEADER_ARCH)/include/asm $@
-endif
-
 $(objtree)/$(ARCH_DIR)/include/shared:
 	@echo '  MKDIR $@'
 	$(Q)mkdir -p $@
diff --git a/arch/um/include/asm/string.h b/arch/um/include/asm/string.h
deleted file mode 100644
index 9a0571f6dd6..00000000000
--- a/arch/um/include/asm/string.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef __UM_STRING_H
-#define __UM_STRING_H
-
-#include "asm/arch/string.h"
-#include "asm/archparam.h"
-
-#endif
-- 
GitLab


From 2985cfdb04002b8e4c003a4008b2580aaebf75fc Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 10:20:37 -0400
Subject: [PATCH 2057/2224] x86, um: take vm-flags.h to sysdep

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                                               | 3 +--
 arch/um/include/asm/page.h                                     | 2 +-
 .../{asm/vm-flags-i386.h => shared/sysdep-i386/vm-flags.h}     | 0
 .../{asm/vm-flags-x86_64.h => shared/sysdep-x86_64/vm-flags.h} | 0
 4 files changed, 2 insertions(+), 3 deletions(-)
 rename arch/um/include/{asm/vm-flags-i386.h => shared/sysdep-i386/vm-flags.h} (100%)
 rename arch/um/include/{asm/vm-flags-x86_64.h => shared/sysdep-x86_64/vm-flags.h} (100%)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index fac25e20212..3af8c81bf4f 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -19,8 +19,7 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 			   $(ARCH_DIR)/os-$(OS)/
 
 # Have to precede the include because the included Makefiles reference them.
-SYMLINK_HEADERS := archparam.h processor.h ptrace.h \
-	module.h vm-flags.h elf.h
+SYMLINK_HEADERS := archparam.h processor.h ptrace.h module.h elf.h
 SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header))
 
 # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
index a6df1f13d73..55f28a0bae6 100644
--- a/arch/um/include/asm/page.h
+++ b/arch/um/include/asm/page.h
@@ -19,7 +19,7 @@
 struct page;
 
 #include <linux/types.h>
-#include <asm/vm-flags.h>
+#include <sysdep/vm-flags.h>
 
 /*
  * These are used to make use of C type-checking..
diff --git a/arch/um/include/asm/vm-flags-i386.h b/arch/um/include/shared/sysdep-i386/vm-flags.h
similarity index 100%
rename from arch/um/include/asm/vm-flags-i386.h
rename to arch/um/include/shared/sysdep-i386/vm-flags.h
diff --git a/arch/um/include/asm/vm-flags-x86_64.h b/arch/um/include/shared/sysdep-x86_64/vm-flags.h
similarity index 100%
rename from arch/um/include/asm/vm-flags-x86_64.h
rename to arch/um/include/shared/sysdep-x86_64/vm-flags.h
-- 
GitLab


From 17dcf75d3ea11d7e26110ba85677cfadbccecf45 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 17:47:45 -0400
Subject: [PATCH 2058/2224] x86, um: trim the junk from uml ptrace-*.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/include/asm/ptrace-i386.h   |  4 ----
 arch/um/include/asm/ptrace-x86_64.h | 13 ++-----------
 2 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/arch/um/include/asm/ptrace-i386.h b/arch/um/include/asm/ptrace-i386.h
index b2d24c5ea2c..0273e4d09af 100644
--- a/arch/um/include/asm/ptrace-i386.h
+++ b/arch/um/include/asm/ptrace-i386.h
@@ -10,8 +10,6 @@
 
 #include "linux/compiler.h"
 #include "asm/ptrace-generic.h"
-#include <asm/user.h>
-#include "sysdep/ptrace.h"
 
 #define PT_REGS_EAX(r) UPT_EAX(&(r)->regs)
 #define PT_REGS_EBX(r) UPT_EBX(&(r)->regs)
@@ -34,8 +32,6 @@
 #define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r)
 #define PT_FIX_EXEC_STACK(sp) do ; while(0)
 
-/* Cope with a conditional i386 definition. */
-#undef profile_pc
 #define profile_pc(regs) PT_REGS_IP(regs)
 
 #define user_mode(r) UPT_IS_USER(&(r)->regs)
diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/include/asm/ptrace-x86_64.h
index 2653fbaa352..83d8c473b90 100644
--- a/arch/um/include/asm/ptrace-x86_64.h
+++ b/arch/um/include/asm/ptrace-x86_64.h
@@ -9,23 +9,12 @@
 
 #include "linux/compiler.h"
 #include "asm/errno.h"
-#include <sysdep/host_ldt.h>
 
 #define __FRAME_OFFSETS /* Needed to get the R* macros */
 #include "asm/ptrace-generic.h"
 
 #define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
 
-/* Also defined in sysdep/ptrace.h, so may already be defined. */
-#ifndef FS_BASE
-#define FS_BASE (21 * sizeof(unsigned long))
-#define GS_BASE (22 * sizeof(unsigned long))
-#define DS (23 * sizeof(unsigned long))
-#define ES (24 * sizeof(unsigned long))
-#define FS (25 * sizeof(unsigned long))
-#define GS (26 * sizeof(unsigned long))
-#endif
-
 #define PT_REGS_RBX(r) UPT_RBX(&(r)->regs)
 #define PT_REGS_RCX(r) UPT_RCX(&(r)->regs)
 #define PT_REGS_RDX(r) UPT_RDX(&(r)->regs)
@@ -64,6 +53,8 @@
 
 #define profile_pc(regs) PT_REGS_IP(regs)
 
+struct user_desc;
+
 static inline int ptrace_get_thread_area(struct task_struct *child, int idx,
                                          struct user_desc __user *user_desc)
 {
-- 
GitLab


From f5ad6a42b700d9687bb97cf461e7f2506e3006d6 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 18 Aug 2008 21:44:32 -0400
Subject: [PATCH 2059/2224] x86, um: get rid of sysdep symlink

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                                     | 12 ++----------
 .../sysdep-i386 => sys-i386/sysdep}/archsetjmp.h     |  0
 .../shared/sysdep-i386 => sys-i386/sysdep}/barrier.h |  0
 .../sysdep-i386 => sys-i386/sysdep}/checksum.h       |  0
 .../sysdep-i386 => sys-i386/sysdep}/faultinfo.h      |  0
 .../sysdep-i386 => sys-i386/sysdep}/host_ldt.h       |  0
 .../sysdep-i386 => sys-i386/sysdep}/kernel-offsets.h |  0
 .../shared/sysdep-i386 => sys-i386/sysdep}/ptrace.h  |  0
 .../sysdep-i386 => sys-i386/sysdep}/ptrace_user.h    |  0
 .../shared/sysdep-i386 => sys-i386/sysdep}/sc.h      |  0
 .../sysdep-i386 => sys-i386/sysdep}/sigcontext.h     |  0
 .../sysdep-i386 => sys-i386/sysdep}/skas_ptrace.h    |  0
 .../shared/sysdep-i386 => sys-i386/sysdep}/stub.h    |  0
 .../sysdep-i386 => sys-i386/sysdep}/syscalls.h       |  0
 .../shared/sysdep-i386 => sys-i386/sysdep}/system.h  |  0
 .../shared/sysdep-i386 => sys-i386/sysdep}/tls.h     |  0
 .../sysdep-i386 => sys-i386/sysdep}/vm-flags.h       |  0
 .../shared/sysdep-ia64 => sys-ia64/sysdep}/ptrace.h  |  0
 .../sysdep-ia64 => sys-ia64/sysdep}/sigcontext.h     |  0
 .../sysdep-ia64 => sys-ia64/sysdep}/skas_ptrace.h    |  0
 .../sysdep-ia64 => sys-ia64/sysdep}/syscalls.h       |  0
 .../shared/sysdep-ppc => sys-ppc/sysdep}/ptrace.h    |  0
 .../sysdep-ppc => sys-ppc/sysdep}/sigcontext.h       |  0
 .../sysdep-ppc => sys-ppc/sysdep}/skas_ptrace.h      |  0
 .../shared/sysdep-ppc => sys-ppc/sysdep}/syscalls.h  |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/archsetjmp.h |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/barrier.h    |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/checksum.h   |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/faultinfo.h  |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/host_ldt.h   |  0
 .../sysdep}/kernel-offsets.h                         |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/ptrace.h     |  0
 .../sysdep}/ptrace_user.h                            |  0
 .../shared/sysdep-x86_64 => sys-x86_64/sysdep}/sc.h  |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/sigcontext.h |  0
 .../sysdep}/skas_ptrace.h                            |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/stub.h       |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/syscalls.h   |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/system.h     |  0
 .../shared/sysdep-x86_64 => sys-x86_64/sysdep}/tls.h |  0
 .../sysdep-x86_64 => sys-x86_64/sysdep}/vm-flags.h   |  0
 41 files changed, 2 insertions(+), 10 deletions(-)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/archsetjmp.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/barrier.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/checksum.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/faultinfo.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/host_ldt.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/kernel-offsets.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/ptrace_user.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/sc.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/sigcontext.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/skas_ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/stub.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/syscalls.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/system.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/tls.h (100%)
 rename arch/um/{include/shared/sysdep-i386 => sys-i386/sysdep}/vm-flags.h (100%)
 rename arch/um/{include/shared/sysdep-ia64 => sys-ia64/sysdep}/ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-ia64 => sys-ia64/sysdep}/sigcontext.h (100%)
 rename arch/um/{include/shared/sysdep-ia64 => sys-ia64/sysdep}/skas_ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-ia64 => sys-ia64/sysdep}/syscalls.h (100%)
 rename arch/um/{include/shared/sysdep-ppc => sys-ppc/sysdep}/ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-ppc => sys-ppc/sysdep}/sigcontext.h (100%)
 rename arch/um/{include/shared/sysdep-ppc => sys-ppc/sysdep}/skas_ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-ppc => sys-ppc/sysdep}/syscalls.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/archsetjmp.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/barrier.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/checksum.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/faultinfo.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/host_ldt.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/kernel-offsets.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/ptrace_user.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/sc.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/sigcontext.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/skas_ptrace.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/stub.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/syscalls.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/system.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/tls.h (100%)
 rename arch/um/{include/shared/sysdep-x86_64 => sys-x86_64/sysdep}/vm-flags.h (100%)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 3af8c81bf4f..2e042b0e3b8 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -27,7 +27,7 @@ SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$
 #
 # These are cleaned up during mrproper. Please DO NOT fix it again, this is
 # the Correct Thing(tm) to do!
-ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \
+ARCH_SYMLINKS = $(ARCH_DIR)/os \
 	$(SYMLINK_HEADERS) $(ARCH_DIR)/include/shared/uml-config.h
 
 MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
@@ -39,7 +39,7 @@ ifneq ($(KBUILD_SRC),)
 ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared
 KBUILD_CPPFLAGS	+= -I$(ARCH_DIR)/include # for SYMLINK_HEADERS
 endif
-SYS_DIR		:= $(ARCH_DIR)/include/shared/sysdep-$(SUBARCH)
+ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) # for sysdep
 
 # -Dvmap=kernel_vmap prevents anything from referencing the libpcap.o symbol so
 # named - it's a common symbol in libpcap, so we get a binary which crashes.
@@ -157,14 +157,6 @@ $(objtree)/$(ARCH_DIR)/include/shared:
 	@echo '  MKDIR $@'
 	$(Q)mkdir -p $@
 
-$(ARCH_DIR)/include/shared/sysdep: $(objtree)/$(ARCH_DIR)/include/shared
-	@echo '  SYMLINK $@'
-ifneq ($(KBUILD_SRC),)
-	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/shared/sysdep-$(SUBARCH) $@
-else
-	$(Q)ln -fsn sysdep-$(SUBARCH) $@
-endif
-
 $(ARCH_DIR)/os:
 	@echo '  SYMLINK $@'
 ifneq ($(KBUILD_SRC),)
diff --git a/arch/um/include/shared/sysdep-i386/archsetjmp.h b/arch/um/sys-i386/sysdep/archsetjmp.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/archsetjmp.h
rename to arch/um/sys-i386/sysdep/archsetjmp.h
diff --git a/arch/um/include/shared/sysdep-i386/barrier.h b/arch/um/sys-i386/sysdep/barrier.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/barrier.h
rename to arch/um/sys-i386/sysdep/barrier.h
diff --git a/arch/um/include/shared/sysdep-i386/checksum.h b/arch/um/sys-i386/sysdep/checksum.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/checksum.h
rename to arch/um/sys-i386/sysdep/checksum.h
diff --git a/arch/um/include/shared/sysdep-i386/faultinfo.h b/arch/um/sys-i386/sysdep/faultinfo.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/faultinfo.h
rename to arch/um/sys-i386/sysdep/faultinfo.h
diff --git a/arch/um/include/shared/sysdep-i386/host_ldt.h b/arch/um/sys-i386/sysdep/host_ldt.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/host_ldt.h
rename to arch/um/sys-i386/sysdep/host_ldt.h
diff --git a/arch/um/include/shared/sysdep-i386/kernel-offsets.h b/arch/um/sys-i386/sysdep/kernel-offsets.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/kernel-offsets.h
rename to arch/um/sys-i386/sysdep/kernel-offsets.h
diff --git a/arch/um/include/shared/sysdep-i386/ptrace.h b/arch/um/sys-i386/sysdep/ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/ptrace.h
rename to arch/um/sys-i386/sysdep/ptrace.h
diff --git a/arch/um/include/shared/sysdep-i386/ptrace_user.h b/arch/um/sys-i386/sysdep/ptrace_user.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/ptrace_user.h
rename to arch/um/sys-i386/sysdep/ptrace_user.h
diff --git a/arch/um/include/shared/sysdep-i386/sc.h b/arch/um/sys-i386/sysdep/sc.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/sc.h
rename to arch/um/sys-i386/sysdep/sc.h
diff --git a/arch/um/include/shared/sysdep-i386/sigcontext.h b/arch/um/sys-i386/sysdep/sigcontext.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/sigcontext.h
rename to arch/um/sys-i386/sysdep/sigcontext.h
diff --git a/arch/um/include/shared/sysdep-i386/skas_ptrace.h b/arch/um/sys-i386/sysdep/skas_ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/skas_ptrace.h
rename to arch/um/sys-i386/sysdep/skas_ptrace.h
diff --git a/arch/um/include/shared/sysdep-i386/stub.h b/arch/um/sys-i386/sysdep/stub.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/stub.h
rename to arch/um/sys-i386/sysdep/stub.h
diff --git a/arch/um/include/shared/sysdep-i386/syscalls.h b/arch/um/sys-i386/sysdep/syscalls.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/syscalls.h
rename to arch/um/sys-i386/sysdep/syscalls.h
diff --git a/arch/um/include/shared/sysdep-i386/system.h b/arch/um/sys-i386/sysdep/system.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/system.h
rename to arch/um/sys-i386/sysdep/system.h
diff --git a/arch/um/include/shared/sysdep-i386/tls.h b/arch/um/sys-i386/sysdep/tls.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/tls.h
rename to arch/um/sys-i386/sysdep/tls.h
diff --git a/arch/um/include/shared/sysdep-i386/vm-flags.h b/arch/um/sys-i386/sysdep/vm-flags.h
similarity index 100%
rename from arch/um/include/shared/sysdep-i386/vm-flags.h
rename to arch/um/sys-i386/sysdep/vm-flags.h
diff --git a/arch/um/include/shared/sysdep-ia64/ptrace.h b/arch/um/sys-ia64/sysdep/ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ia64/ptrace.h
rename to arch/um/sys-ia64/sysdep/ptrace.h
diff --git a/arch/um/include/shared/sysdep-ia64/sigcontext.h b/arch/um/sys-ia64/sysdep/sigcontext.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ia64/sigcontext.h
rename to arch/um/sys-ia64/sysdep/sigcontext.h
diff --git a/arch/um/include/shared/sysdep-ia64/skas_ptrace.h b/arch/um/sys-ia64/sysdep/skas_ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ia64/skas_ptrace.h
rename to arch/um/sys-ia64/sysdep/skas_ptrace.h
diff --git a/arch/um/include/shared/sysdep-ia64/syscalls.h b/arch/um/sys-ia64/sysdep/syscalls.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ia64/syscalls.h
rename to arch/um/sys-ia64/sysdep/syscalls.h
diff --git a/arch/um/include/shared/sysdep-ppc/ptrace.h b/arch/um/sys-ppc/sysdep/ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ppc/ptrace.h
rename to arch/um/sys-ppc/sysdep/ptrace.h
diff --git a/arch/um/include/shared/sysdep-ppc/sigcontext.h b/arch/um/sys-ppc/sysdep/sigcontext.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ppc/sigcontext.h
rename to arch/um/sys-ppc/sysdep/sigcontext.h
diff --git a/arch/um/include/shared/sysdep-ppc/skas_ptrace.h b/arch/um/sys-ppc/sysdep/skas_ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ppc/skas_ptrace.h
rename to arch/um/sys-ppc/sysdep/skas_ptrace.h
diff --git a/arch/um/include/shared/sysdep-ppc/syscalls.h b/arch/um/sys-ppc/sysdep/syscalls.h
similarity index 100%
rename from arch/um/include/shared/sysdep-ppc/syscalls.h
rename to arch/um/sys-ppc/sysdep/syscalls.h
diff --git a/arch/um/include/shared/sysdep-x86_64/archsetjmp.h b/arch/um/sys-x86_64/sysdep/archsetjmp.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/archsetjmp.h
rename to arch/um/sys-x86_64/sysdep/archsetjmp.h
diff --git a/arch/um/include/shared/sysdep-x86_64/barrier.h b/arch/um/sys-x86_64/sysdep/barrier.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/barrier.h
rename to arch/um/sys-x86_64/sysdep/barrier.h
diff --git a/arch/um/include/shared/sysdep-x86_64/checksum.h b/arch/um/sys-x86_64/sysdep/checksum.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/checksum.h
rename to arch/um/sys-x86_64/sysdep/checksum.h
diff --git a/arch/um/include/shared/sysdep-x86_64/faultinfo.h b/arch/um/sys-x86_64/sysdep/faultinfo.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/faultinfo.h
rename to arch/um/sys-x86_64/sysdep/faultinfo.h
diff --git a/arch/um/include/shared/sysdep-x86_64/host_ldt.h b/arch/um/sys-x86_64/sysdep/host_ldt.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/host_ldt.h
rename to arch/um/sys-x86_64/sysdep/host_ldt.h
diff --git a/arch/um/include/shared/sysdep-x86_64/kernel-offsets.h b/arch/um/sys-x86_64/sysdep/kernel-offsets.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/kernel-offsets.h
rename to arch/um/sys-x86_64/sysdep/kernel-offsets.h
diff --git a/arch/um/include/shared/sysdep-x86_64/ptrace.h b/arch/um/sys-x86_64/sysdep/ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/ptrace.h
rename to arch/um/sys-x86_64/sysdep/ptrace.h
diff --git a/arch/um/include/shared/sysdep-x86_64/ptrace_user.h b/arch/um/sys-x86_64/sysdep/ptrace_user.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/ptrace_user.h
rename to arch/um/sys-x86_64/sysdep/ptrace_user.h
diff --git a/arch/um/include/shared/sysdep-x86_64/sc.h b/arch/um/sys-x86_64/sysdep/sc.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/sc.h
rename to arch/um/sys-x86_64/sysdep/sc.h
diff --git a/arch/um/include/shared/sysdep-x86_64/sigcontext.h b/arch/um/sys-x86_64/sysdep/sigcontext.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/sigcontext.h
rename to arch/um/sys-x86_64/sysdep/sigcontext.h
diff --git a/arch/um/include/shared/sysdep-x86_64/skas_ptrace.h b/arch/um/sys-x86_64/sysdep/skas_ptrace.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/skas_ptrace.h
rename to arch/um/sys-x86_64/sysdep/skas_ptrace.h
diff --git a/arch/um/include/shared/sysdep-x86_64/stub.h b/arch/um/sys-x86_64/sysdep/stub.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/stub.h
rename to arch/um/sys-x86_64/sysdep/stub.h
diff --git a/arch/um/include/shared/sysdep-x86_64/syscalls.h b/arch/um/sys-x86_64/sysdep/syscalls.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/syscalls.h
rename to arch/um/sys-x86_64/sysdep/syscalls.h
diff --git a/arch/um/include/shared/sysdep-x86_64/system.h b/arch/um/sys-x86_64/sysdep/system.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/system.h
rename to arch/um/sys-x86_64/sysdep/system.h
diff --git a/arch/um/include/shared/sysdep-x86_64/tls.h b/arch/um/sys-x86_64/sysdep/tls.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/tls.h
rename to arch/um/sys-x86_64/sysdep/tls.h
diff --git a/arch/um/include/shared/sysdep-x86_64/vm-flags.h b/arch/um/sys-x86_64/sysdep/vm-flags.h
similarity index 100%
rename from arch/um/include/shared/sysdep-x86_64/vm-flags.h
rename to arch/um/sys-x86_64/sysdep/vm-flags.h
-- 
GitLab


From 4198426af37e7122f2fda2538fa9dcaa19c5e397 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 23 Aug 2008 17:00:34 -0400
Subject: [PATCH 2060/2224] x86, um: merge Kconfig.i386 and Kconfig.x86_64

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Kconfig                       |  4 +++
 arch/um/{Kconfig.i386 => Kconfig.x86} | 33 ++++++++++++-----------
 arch/um/Kconfig.x86_64                | 39 ---------------------------
 arch/um/Makefile                      |  4 +--
 4 files changed, 23 insertions(+), 57 deletions(-)
 rename arch/um/{Kconfig.i386 => Kconfig.x86} (68%)
 delete mode 100644 arch/um/Kconfig.x86_64

diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 393bccfe178..a0801fda0be 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -85,6 +85,10 @@ config STATIC_LINK
 	  Additionally, this option enables using higher memory spaces (up to
 	  2.75G) for UML.
 
+config SUBARCH
+	string
+	option env="SUBARCH"
+
 source "arch/um/Kconfig.arch"
 source "mm/Kconfig"
 source "kernel/time/Kconfig"
diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.x86
similarity index 68%
rename from arch/um/Kconfig.i386
rename to arch/um/Kconfig.x86
index 1f57c113df6..76200c9f454 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.x86
@@ -5,24 +5,25 @@ source "arch/x86/Kconfig.cpu"
 endmenu
 
 config UML_X86
+	def_bool y
+
+config 64BIT
 	bool
-	default y
+	default SUBARCH = "x86_64"
 
 config X86_32
-	bool
-	default y
-  	select HAVE_AOUT
+	def_bool !64BIT
+	select HAVE_AOUT
 
 config RWSEM_XCHGADD_ALGORITHM
-	def_bool y
+	def_bool X86_XADD
 
-config 64BIT
-	bool
-	default n
+config RWSEM_GENERIC_SPINLOCK
+	def_bool !X86_XADD
 
 config 3_LEVEL_PGTABLES
-	bool "Three-level pagetables (EXPERIMENTAL)"
-	default n
+	bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT
+	default 64BIT
 	depends on EXPERIMENTAL
 	help
 	Three-level pagetables will let UML have more than 4G of physical
@@ -33,13 +34,13 @@ config 3_LEVEL_PGTABLES
 	N (on x86-64 it's automatically enabled, instead, as it's safe there).
 
 config ARCH_HAS_SC_SIGNALS
-	bool
-	default y
+	def_bool !64BIT
 
 config ARCH_REUSE_HOST_VSYSCALL_AREA
-	bool
-	default y
+	def_bool !64BIT
+
+config SMP_BROKEN
+	def_bool 64BIT
 
 config GENERIC_HWEIGHT
-	bool
-	default y
+	def_bool y
diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64
deleted file mode 100644
index 40b3407cfe1..00000000000
--- a/arch/um/Kconfig.x86_64
+++ /dev/null
@@ -1,39 +0,0 @@
-
-menu "Host processor type and features"
-
-source "arch/x86/Kconfig.cpu"
-
-endmenu
-
-config UML_X86
-	bool
-	default y
-
-config 64BIT
-	bool
-	default y
-
-#XXX: this is so in the underlying arch, but it's wrong!!!
-config RWSEM_GENERIC_SPINLOCK
-	bool
-	default y
-
-config 3_LEVEL_PGTABLES
-       bool
-       default y
-
-config ARCH_HAS_SC_SIGNALS
-	bool
-	default n
-
-config ARCH_REUSE_HOST_VSYSCALL_AREA
-	bool
-	default n
-
-config SMP_BROKEN
-	bool
-	default y
-
-config GENERIC_HWEIGHT
-	bool
-	default y
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 2e042b0e3b8..bc070cef3ce 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -96,9 +96,9 @@ define archhelp
 endef
 
 ifneq ($(KBUILD_SRC),)
-$(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig.$(SUBARCH) $(ARCH_DIR)/Kconfig.arch)
+$(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig.$(HEADER_ARCH) $(ARCH_DIR)/Kconfig.arch)
 else
-$(shell ln -fsn Kconfig.$(SUBARCH) $(ARCH_DIR)/Kconfig.arch)
+$(shell ln -fsn Kconfig.$(HEADER_ARCH) $(ARCH_DIR)/Kconfig.arch)
 endif
 
 archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/shared/user_constants.h
-- 
GitLab


From aa7bd942498512d6b77d1d0da846a8ecdd5d6186 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 23 Aug 2008 17:28:20 -0400
Subject: [PATCH 2061/2224] x86, um: get rid of header symlinks

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                              | 24 ++++---------------
 .../asm/archparam.h}                          |  0
 .../asm/elf-i386.h => sys-i386/asm/elf.h}     |  0
 .../module-i386.h => sys-i386/asm/module.h}   |  0
 .../asm/processor.h}                          |  0
 .../ptrace-i386.h => sys-i386/asm/ptrace.h}   |  0
 .../sys-i386/{ => shared}/sysdep/archsetjmp.h |  0
 .../um/sys-i386/{ => shared}/sysdep/barrier.h |  0
 .../sys-i386/{ => shared}/sysdep/checksum.h   |  0
 .../sys-i386/{ => shared}/sysdep/faultinfo.h  |  0
 .../sys-i386/{ => shared}/sysdep/host_ldt.h   |  0
 .../{ => shared}/sysdep/kernel-offsets.h      |  0
 arch/um/sys-i386/{ => shared}/sysdep/ptrace.h |  0
 .../{ => shared}/sysdep/ptrace_user.h         |  0
 arch/um/sys-i386/{ => shared}/sysdep/sc.h     |  0
 .../sys-i386/{ => shared}/sysdep/sigcontext.h |  0
 .../{ => shared}/sysdep/skas_ptrace.h         |  0
 arch/um/sys-i386/{ => shared}/sysdep/stub.h   |  0
 .../sys-i386/{ => shared}/sysdep/syscalls.h   |  0
 arch/um/sys-i386/{ => shared}/sysdep/system.h |  0
 arch/um/sys-i386/{ => shared}/sysdep/tls.h    |  0
 .../sys-i386/{ => shared}/sysdep/vm-flags.h   |  0
 .../asm/archparam.h}                          |  0
 .../asm/elf-ppc.h => sys-ppc/asm/elf.h}       |  0
 .../asm/processor.h}                          |  0
 arch/um/sys-ppc/{ => shared}/sysdep/ptrace.h  |  0
 .../sys-ppc/{ => shared}/sysdep/sigcontext.h  |  0
 .../sys-ppc/{ => shared}/sysdep/skas_ptrace.h |  0
 .../um/sys-ppc/{ => shared}/sysdep/syscalls.h |  0
 .../asm/archparam.h}                          |  0
 .../asm/elf-x86_64.h => sys-x86_64/asm/elf.h} |  0
 .../asm/module.h}                             |  0
 .../asm/processor.h}                          |  0
 .../asm/ptrace.h}                             |  0
 .../{ => shared}/sysdep/archsetjmp.h          |  0
 .../sys-x86_64/{ => shared}/sysdep/barrier.h  |  0
 .../sys-x86_64/{ => shared}/sysdep/checksum.h |  0
 .../{ => shared}/sysdep/faultinfo.h           |  0
 .../sys-x86_64/{ => shared}/sysdep/host_ldt.h |  0
 .../{ => shared}/sysdep/kernel-offsets.h      |  0
 .../sys-x86_64/{ => shared}/sysdep/ptrace.h   |  0
 .../{ => shared}/sysdep/ptrace_user.h         |  0
 arch/um/sys-x86_64/{ => shared}/sysdep/sc.h   |  0
 .../{ => shared}/sysdep/sigcontext.h          |  0
 .../{ => shared}/sysdep/skas_ptrace.h         |  0
 arch/um/sys-x86_64/{ => shared}/sysdep/stub.h |  0
 .../sys-x86_64/{ => shared}/sysdep/syscalls.h |  0
 .../sys-x86_64/{ => shared}/sysdep/system.h   |  0
 arch/um/sys-x86_64/{ => shared}/sysdep/tls.h  |  0
 .../sys-x86_64/{ => shared}/sysdep/vm-flags.h |  0
 50 files changed, 5 insertions(+), 19 deletions(-)
 rename arch/um/{include/asm/archparam-i386.h => sys-i386/asm/archparam.h} (100%)
 rename arch/um/{include/asm/elf-i386.h => sys-i386/asm/elf.h} (100%)
 rename arch/um/{include/asm/module-i386.h => sys-i386/asm/module.h} (100%)
 rename arch/um/{include/asm/processor-i386.h => sys-i386/asm/processor.h} (100%)
 rename arch/um/{include/asm/ptrace-i386.h => sys-i386/asm/ptrace.h} (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/archsetjmp.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/barrier.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/checksum.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/faultinfo.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/host_ldt.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/kernel-offsets.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/ptrace.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/ptrace_user.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/sc.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/sigcontext.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/skas_ptrace.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/stub.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/syscalls.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/system.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/tls.h (100%)
 rename arch/um/sys-i386/{ => shared}/sysdep/vm-flags.h (100%)
 rename arch/um/{include/asm/archparam-ppc.h => sys-ppc/asm/archparam.h} (100%)
 rename arch/um/{include/asm/elf-ppc.h => sys-ppc/asm/elf.h} (100%)
 rename arch/um/{include/asm/processor-ppc.h => sys-ppc/asm/processor.h} (100%)
 rename arch/um/sys-ppc/{ => shared}/sysdep/ptrace.h (100%)
 rename arch/um/sys-ppc/{ => shared}/sysdep/sigcontext.h (100%)
 rename arch/um/sys-ppc/{ => shared}/sysdep/skas_ptrace.h (100%)
 rename arch/um/sys-ppc/{ => shared}/sysdep/syscalls.h (100%)
 rename arch/um/{include/asm/archparam-x86_64.h => sys-x86_64/asm/archparam.h} (100%)
 rename arch/um/{include/asm/elf-x86_64.h => sys-x86_64/asm/elf.h} (100%)
 rename arch/um/{include/asm/module-x86_64.h => sys-x86_64/asm/module.h} (100%)
 rename arch/um/{include/asm/processor-x86_64.h => sys-x86_64/asm/processor.h} (100%)
 rename arch/um/{include/asm/ptrace-x86_64.h => sys-x86_64/asm/ptrace.h} (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/archsetjmp.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/barrier.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/checksum.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/faultinfo.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/host_ldt.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/kernel-offsets.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/ptrace.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/ptrace_user.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/sc.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/sigcontext.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/skas_ptrace.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/stub.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/syscalls.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/system.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/tls.h (100%)
 rename arch/um/sys-x86_64/{ => shared}/sysdep/vm-flags.h (100%)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index bc070cef3ce..2606bdaefcb 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -18,28 +18,23 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 			   $(ARCH_DIR)/drivers/		\
 			   $(ARCH_DIR)/os-$(OS)/
 
-# Have to precede the include because the included Makefiles reference them.
-SYMLINK_HEADERS := archparam.h processor.h ptrace.h module.h elf.h
-SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header))
-
 # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
 # ../os/include/file.h
 #
 # These are cleaned up during mrproper. Please DO NOT fix it again, this is
 # the Correct Thing(tm) to do!
-ARCH_SYMLINKS = $(ARCH_DIR)/os \
-	$(SYMLINK_HEADERS) $(ARCH_DIR)/include/shared/uml-config.h
+ARCH_SYMLINKS = $(ARCH_DIR)/os $(ARCH_DIR)/include/shared/uml-config.h
 
 MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
 
 include $(srctree)/$(ARCH_DIR)/Makefile-skas
 
-ARCH_INCLUDE	:= -I$(ARCH_DIR)/include/shared
+ARCH_INCLUDE	:= -I$(srctree)/$(ARCH_DIR)/include/shared
+ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared
 ifneq ($(KBUILD_SRC),)
-ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared
-KBUILD_CPPFLAGS	+= -I$(ARCH_DIR)/include # for SYMLINK_HEADERS
+ARCH_INCLUDE	+= -I$(ARCH_DIR)/include/shared # for three generated files
 endif
-ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) # for sysdep
+KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)
 
 # -Dvmap=kernel_vmap prevents anything from referencing the libpcap.o symbol so
 # named - it's a common symbol in libpcap, so we get a binary which crashes.
@@ -144,15 +139,6 @@ archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
 
-$(SYMLINK_HEADERS):
-	@echo '  SYMLINK $@'
-ifneq ($(KBUILD_SRC),)
-	$(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm
-	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/asm/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
-else
-	$(Q)ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
-endif
-
 $(objtree)/$(ARCH_DIR)/include/shared:
 	@echo '  MKDIR $@'
 	$(Q)mkdir -p $@
diff --git a/arch/um/include/asm/archparam-i386.h b/arch/um/sys-i386/asm/archparam.h
similarity index 100%
rename from arch/um/include/asm/archparam-i386.h
rename to arch/um/sys-i386/asm/archparam.h
diff --git a/arch/um/include/asm/elf-i386.h b/arch/um/sys-i386/asm/elf.h
similarity index 100%
rename from arch/um/include/asm/elf-i386.h
rename to arch/um/sys-i386/asm/elf.h
diff --git a/arch/um/include/asm/module-i386.h b/arch/um/sys-i386/asm/module.h
similarity index 100%
rename from arch/um/include/asm/module-i386.h
rename to arch/um/sys-i386/asm/module.h
diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/sys-i386/asm/processor.h
similarity index 100%
rename from arch/um/include/asm/processor-i386.h
rename to arch/um/sys-i386/asm/processor.h
diff --git a/arch/um/include/asm/ptrace-i386.h b/arch/um/sys-i386/asm/ptrace.h
similarity index 100%
rename from arch/um/include/asm/ptrace-i386.h
rename to arch/um/sys-i386/asm/ptrace.h
diff --git a/arch/um/sys-i386/sysdep/archsetjmp.h b/arch/um/sys-i386/shared/sysdep/archsetjmp.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/archsetjmp.h
rename to arch/um/sys-i386/shared/sysdep/archsetjmp.h
diff --git a/arch/um/sys-i386/sysdep/barrier.h b/arch/um/sys-i386/shared/sysdep/barrier.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/barrier.h
rename to arch/um/sys-i386/shared/sysdep/barrier.h
diff --git a/arch/um/sys-i386/sysdep/checksum.h b/arch/um/sys-i386/shared/sysdep/checksum.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/checksum.h
rename to arch/um/sys-i386/shared/sysdep/checksum.h
diff --git a/arch/um/sys-i386/sysdep/faultinfo.h b/arch/um/sys-i386/shared/sysdep/faultinfo.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/faultinfo.h
rename to arch/um/sys-i386/shared/sysdep/faultinfo.h
diff --git a/arch/um/sys-i386/sysdep/host_ldt.h b/arch/um/sys-i386/shared/sysdep/host_ldt.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/host_ldt.h
rename to arch/um/sys-i386/shared/sysdep/host_ldt.h
diff --git a/arch/um/sys-i386/sysdep/kernel-offsets.h b/arch/um/sys-i386/shared/sysdep/kernel-offsets.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/kernel-offsets.h
rename to arch/um/sys-i386/shared/sysdep/kernel-offsets.h
diff --git a/arch/um/sys-i386/sysdep/ptrace.h b/arch/um/sys-i386/shared/sysdep/ptrace.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/ptrace.h
rename to arch/um/sys-i386/shared/sysdep/ptrace.h
diff --git a/arch/um/sys-i386/sysdep/ptrace_user.h b/arch/um/sys-i386/shared/sysdep/ptrace_user.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/ptrace_user.h
rename to arch/um/sys-i386/shared/sysdep/ptrace_user.h
diff --git a/arch/um/sys-i386/sysdep/sc.h b/arch/um/sys-i386/shared/sysdep/sc.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/sc.h
rename to arch/um/sys-i386/shared/sysdep/sc.h
diff --git a/arch/um/sys-i386/sysdep/sigcontext.h b/arch/um/sys-i386/shared/sysdep/sigcontext.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/sigcontext.h
rename to arch/um/sys-i386/shared/sysdep/sigcontext.h
diff --git a/arch/um/sys-i386/sysdep/skas_ptrace.h b/arch/um/sys-i386/shared/sysdep/skas_ptrace.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/skas_ptrace.h
rename to arch/um/sys-i386/shared/sysdep/skas_ptrace.h
diff --git a/arch/um/sys-i386/sysdep/stub.h b/arch/um/sys-i386/shared/sysdep/stub.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/stub.h
rename to arch/um/sys-i386/shared/sysdep/stub.h
diff --git a/arch/um/sys-i386/sysdep/syscalls.h b/arch/um/sys-i386/shared/sysdep/syscalls.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/syscalls.h
rename to arch/um/sys-i386/shared/sysdep/syscalls.h
diff --git a/arch/um/sys-i386/sysdep/system.h b/arch/um/sys-i386/shared/sysdep/system.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/system.h
rename to arch/um/sys-i386/shared/sysdep/system.h
diff --git a/arch/um/sys-i386/sysdep/tls.h b/arch/um/sys-i386/shared/sysdep/tls.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/tls.h
rename to arch/um/sys-i386/shared/sysdep/tls.h
diff --git a/arch/um/sys-i386/sysdep/vm-flags.h b/arch/um/sys-i386/shared/sysdep/vm-flags.h
similarity index 100%
rename from arch/um/sys-i386/sysdep/vm-flags.h
rename to arch/um/sys-i386/shared/sysdep/vm-flags.h
diff --git a/arch/um/include/asm/archparam-ppc.h b/arch/um/sys-ppc/asm/archparam.h
similarity index 100%
rename from arch/um/include/asm/archparam-ppc.h
rename to arch/um/sys-ppc/asm/archparam.h
diff --git a/arch/um/include/asm/elf-ppc.h b/arch/um/sys-ppc/asm/elf.h
similarity index 100%
rename from arch/um/include/asm/elf-ppc.h
rename to arch/um/sys-ppc/asm/elf.h
diff --git a/arch/um/include/asm/processor-ppc.h b/arch/um/sys-ppc/asm/processor.h
similarity index 100%
rename from arch/um/include/asm/processor-ppc.h
rename to arch/um/sys-ppc/asm/processor.h
diff --git a/arch/um/sys-ppc/sysdep/ptrace.h b/arch/um/sys-ppc/shared/sysdep/ptrace.h
similarity index 100%
rename from arch/um/sys-ppc/sysdep/ptrace.h
rename to arch/um/sys-ppc/shared/sysdep/ptrace.h
diff --git a/arch/um/sys-ppc/sysdep/sigcontext.h b/arch/um/sys-ppc/shared/sysdep/sigcontext.h
similarity index 100%
rename from arch/um/sys-ppc/sysdep/sigcontext.h
rename to arch/um/sys-ppc/shared/sysdep/sigcontext.h
diff --git a/arch/um/sys-ppc/sysdep/skas_ptrace.h b/arch/um/sys-ppc/shared/sysdep/skas_ptrace.h
similarity index 100%
rename from arch/um/sys-ppc/sysdep/skas_ptrace.h
rename to arch/um/sys-ppc/shared/sysdep/skas_ptrace.h
diff --git a/arch/um/sys-ppc/sysdep/syscalls.h b/arch/um/sys-ppc/shared/sysdep/syscalls.h
similarity index 100%
rename from arch/um/sys-ppc/sysdep/syscalls.h
rename to arch/um/sys-ppc/shared/sysdep/syscalls.h
diff --git a/arch/um/include/asm/archparam-x86_64.h b/arch/um/sys-x86_64/asm/archparam.h
similarity index 100%
rename from arch/um/include/asm/archparam-x86_64.h
rename to arch/um/sys-x86_64/asm/archparam.h
diff --git a/arch/um/include/asm/elf-x86_64.h b/arch/um/sys-x86_64/asm/elf.h
similarity index 100%
rename from arch/um/include/asm/elf-x86_64.h
rename to arch/um/sys-x86_64/asm/elf.h
diff --git a/arch/um/include/asm/module-x86_64.h b/arch/um/sys-x86_64/asm/module.h
similarity index 100%
rename from arch/um/include/asm/module-x86_64.h
rename to arch/um/sys-x86_64/asm/module.h
diff --git a/arch/um/include/asm/processor-x86_64.h b/arch/um/sys-x86_64/asm/processor.h
similarity index 100%
rename from arch/um/include/asm/processor-x86_64.h
rename to arch/um/sys-x86_64/asm/processor.h
diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/sys-x86_64/asm/ptrace.h
similarity index 100%
rename from arch/um/include/asm/ptrace-x86_64.h
rename to arch/um/sys-x86_64/asm/ptrace.h
diff --git a/arch/um/sys-x86_64/sysdep/archsetjmp.h b/arch/um/sys-x86_64/shared/sysdep/archsetjmp.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/archsetjmp.h
rename to arch/um/sys-x86_64/shared/sysdep/archsetjmp.h
diff --git a/arch/um/sys-x86_64/sysdep/barrier.h b/arch/um/sys-x86_64/shared/sysdep/barrier.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/barrier.h
rename to arch/um/sys-x86_64/shared/sysdep/barrier.h
diff --git a/arch/um/sys-x86_64/sysdep/checksum.h b/arch/um/sys-x86_64/shared/sysdep/checksum.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/checksum.h
rename to arch/um/sys-x86_64/shared/sysdep/checksum.h
diff --git a/arch/um/sys-x86_64/sysdep/faultinfo.h b/arch/um/sys-x86_64/shared/sysdep/faultinfo.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/faultinfo.h
rename to arch/um/sys-x86_64/shared/sysdep/faultinfo.h
diff --git a/arch/um/sys-x86_64/sysdep/host_ldt.h b/arch/um/sys-x86_64/shared/sysdep/host_ldt.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/host_ldt.h
rename to arch/um/sys-x86_64/shared/sysdep/host_ldt.h
diff --git a/arch/um/sys-x86_64/sysdep/kernel-offsets.h b/arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/kernel-offsets.h
rename to arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h
diff --git a/arch/um/sys-x86_64/sysdep/ptrace.h b/arch/um/sys-x86_64/shared/sysdep/ptrace.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/ptrace.h
rename to arch/um/sys-x86_64/shared/sysdep/ptrace.h
diff --git a/arch/um/sys-x86_64/sysdep/ptrace_user.h b/arch/um/sys-x86_64/shared/sysdep/ptrace_user.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/ptrace_user.h
rename to arch/um/sys-x86_64/shared/sysdep/ptrace_user.h
diff --git a/arch/um/sys-x86_64/sysdep/sc.h b/arch/um/sys-x86_64/shared/sysdep/sc.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/sc.h
rename to arch/um/sys-x86_64/shared/sysdep/sc.h
diff --git a/arch/um/sys-x86_64/sysdep/sigcontext.h b/arch/um/sys-x86_64/shared/sysdep/sigcontext.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/sigcontext.h
rename to arch/um/sys-x86_64/shared/sysdep/sigcontext.h
diff --git a/arch/um/sys-x86_64/sysdep/skas_ptrace.h b/arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/skas_ptrace.h
rename to arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h
diff --git a/arch/um/sys-x86_64/sysdep/stub.h b/arch/um/sys-x86_64/shared/sysdep/stub.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/stub.h
rename to arch/um/sys-x86_64/shared/sysdep/stub.h
diff --git a/arch/um/sys-x86_64/sysdep/syscalls.h b/arch/um/sys-x86_64/shared/sysdep/syscalls.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/syscalls.h
rename to arch/um/sys-x86_64/shared/sysdep/syscalls.h
diff --git a/arch/um/sys-x86_64/sysdep/system.h b/arch/um/sys-x86_64/shared/sysdep/system.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/system.h
rename to arch/um/sys-x86_64/shared/sysdep/system.h
diff --git a/arch/um/sys-x86_64/sysdep/tls.h b/arch/um/sys-x86_64/shared/sysdep/tls.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/tls.h
rename to arch/um/sys-x86_64/shared/sysdep/tls.h
diff --git a/arch/um/sys-x86_64/sysdep/vm-flags.h b/arch/um/sys-x86_64/shared/sysdep/vm-flags.h
similarity index 100%
rename from arch/um/sys-x86_64/sysdep/vm-flags.h
rename to arch/um/sys-x86_64/shared/sysdep/vm-flags.h
-- 
GitLab


From 887c57d480ee9dbfec53f2539359dd289f50acab Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 25 Aug 2008 04:12:10 -0400
Subject: [PATCH 2062/2224] x86, um: get rid of excessive includes of
 uml-config.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/include/shared/as-layout.h        | 1 -
 arch/um/include/shared/um_mmu.h           | 1 -
 arch/um/os-Linux/skas/mem.c               | 1 -
 arch/um/sys-i386/shared/sysdep/ptrace.h   | 1 -
 arch/um/sys-i386/shared/sysdep/stub.h     | 1 -
 arch/um/sys-i386/stub.S                   | 1 -
 arch/um/sys-x86_64/shared/sysdep/ptrace.h | 1 -
 arch/um/sys-x86_64/shared/sysdep/stub.h   | 1 -
 arch/um/sys-x86_64/stub.S                 | 1 -
 9 files changed, 9 deletions(-)

diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h
index 58e852dfb0c..a92b678503c 100644
--- a/arch/um/include/shared/as-layout.h
+++ b/arch/um/include/shared/as-layout.h
@@ -6,7 +6,6 @@
 #ifndef __START_H__
 #define __START_H__
 
-#include "uml-config.h"
 #include "kern_constants.h"
 
 /*
diff --git a/arch/um/include/shared/um_mmu.h b/arch/um/include/shared/um_mmu.h
index 4cc1ef4d022..b1a7e47d102 100644
--- a/arch/um/include/shared/um_mmu.h
+++ b/arch/um/include/shared/um_mmu.h
@@ -6,7 +6,6 @@
 #ifndef __ARCH_UM_MMU_H
 #define __ARCH_UM_MMU_H
 
-#include "uml-config.h"
 #include "mm_id.h"
 #include "ldt.h"
 
diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c
index 484e68f9f7a..d261f170d12 100644
--- a/arch/um/os-Linux/skas/mem.c
+++ b/arch/um/os-Linux/skas/mem.c
@@ -20,7 +20,6 @@
 #include "user.h"
 #include "sysdep/ptrace.h"
 #include "sysdep/stub.h"
-#include "uml-config.h"
 
 extern unsigned long batch_syscall_stub, __syscall_stub_start;
 
diff --git a/arch/um/sys-i386/shared/sysdep/ptrace.h b/arch/um/sys-i386/shared/sysdep/ptrace.h
index 11c08969d13..d50e62e0707 100644
--- a/arch/um/sys-i386/shared/sysdep/ptrace.h
+++ b/arch/um/sys-i386/shared/sysdep/ptrace.h
@@ -6,7 +6,6 @@
 #ifndef __SYSDEP_I386_PTRACE_H
 #define __SYSDEP_I386_PTRACE_H
 
-#include "uml-config.h"
 #include "user_constants.h"
 #include "sysdep/faultinfo.h"
 
diff --git a/arch/um/sys-i386/shared/sysdep/stub.h b/arch/um/sys-i386/shared/sysdep/stub.h
index 8c097b87fca..977dedd9221 100644
--- a/arch/um/sys-i386/shared/sysdep/stub.h
+++ b/arch/um/sys-i386/shared/sysdep/stub.h
@@ -12,7 +12,6 @@
 #include "as-layout.h"
 #include "stub-data.h"
 #include "kern_constants.h"
-#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
diff --git a/arch/um/sys-i386/stub.S b/arch/um/sys-i386/stub.S
index 7699e89f660..c41b04bf5fa 100644
--- a/arch/um/sys-i386/stub.S
+++ b/arch/um/sys-i386/stub.S
@@ -1,4 +1,3 @@
-#include "uml-config.h"
 #include "as-layout.h"
 
 	.globl syscall_stub
diff --git a/arch/um/sys-x86_64/shared/sysdep/ptrace.h b/arch/um/sys-x86_64/shared/sysdep/ptrace.h
index 9ea44d111f3..fdba5457947 100644
--- a/arch/um/sys-x86_64/shared/sysdep/ptrace.h
+++ b/arch/um/sys-x86_64/shared/sysdep/ptrace.h
@@ -8,7 +8,6 @@
 #ifndef __SYSDEP_X86_64_PTRACE_H
 #define __SYSDEP_X86_64_PTRACE_H
 
-#include "uml-config.h"
 #include "user_constants.h"
 #include "sysdep/faultinfo.h"
 
diff --git a/arch/um/sys-x86_64/shared/sysdep/stub.h b/arch/um/sys-x86_64/shared/sysdep/stub.h
index 655f9c2de3a..3432aa24997 100644
--- a/arch/um/sys-x86_64/shared/sysdep/stub.h
+++ b/arch/um/sys-x86_64/shared/sysdep/stub.h
@@ -12,7 +12,6 @@
 #include "as-layout.h"
 #include "stub-data.h"
 #include "kern_constants.h"
-#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
diff --git a/arch/um/sys-x86_64/stub.S b/arch/um/sys-x86_64/stub.S
index 56876876315..6d9edf9fabc 100644
--- a/arch/um/sys-x86_64/stub.S
+++ b/arch/um/sys-x86_64/stub.S
@@ -1,4 +1,3 @@
-#include "uml-config.h"
 #include "as-layout.h"
 
 	.globl syscall_stub
-- 
GitLab


From ec82c32d45644998a28abad0a6a9ccdd721a054e Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 25 Aug 2008 04:14:29 -0400
Subject: [PATCH 2063/2224] x86, um: get rid of arch/um/os symlink

we can get DEV_NULL defined for arch/um/drivers/null.c in less
convoluted ways, TYVM...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                | 15 ++-------------
 arch/um/Makefile-os-Linux       |  1 +
 arch/um/drivers/Makefile        |  1 +
 arch/um/include/shared/os.h     |  1 -
 arch/um/os-Linux/include/file.h | 11 -----------
 5 files changed, 4 insertions(+), 25 deletions(-)
 delete mode 100644 arch/um/os-Linux/include/file.h

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 2606bdaefcb..10894405ca7 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -18,12 +18,9 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 			   $(ARCH_DIR)/drivers/		\
 			   $(ARCH_DIR)/os-$(OS)/
 
-# XXX: The "os" symlink is only used by arch/um/include/os.h, which includes
-# ../os/include/file.h
-#
 # These are cleaned up during mrproper. Please DO NOT fix it again, this is
 # the Correct Thing(tm) to do!
-ARCH_SYMLINKS = $(ARCH_DIR)/os $(ARCH_DIR)/include/shared/uml-config.h
+ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/uml-config.h
 
 MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
 
@@ -143,14 +140,6 @@ $(objtree)/$(ARCH_DIR)/include/shared:
 	@echo '  MKDIR $@'
 	$(Q)mkdir -p $@
 
-$(ARCH_DIR)/os:
-	@echo '  SYMLINK $@'
-ifneq ($(KBUILD_SRC),)
-	$(Q)ln -fsn $(srctree)/$(ARCH_DIR)/os-$(OS) $@
-else
-	$(Q)ln -fsn os-$(OS) $@
-endif
-
 # Generated files
 define filechk_umlconfig
 	sed 's/ CONFIG/ UML_CONFIG/'
@@ -182,4 +171,4 @@ $(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shar
 	@echo '  SYMLINK $@'
 	$(Q)ln -sf ../../../../include/asm/asm-offsets.h $@
 
-export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH
+export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH
diff --git a/arch/um/Makefile-os-Linux b/arch/um/Makefile-os-Linux
index 52859487c95..2c8a598ec14 100644
--- a/arch/um/Makefile-os-Linux
+++ b/arch/um/Makefile-os-Linux
@@ -6,3 +6,4 @@
 # To get a definition of F_SETSIG
 USER_CFLAGS += -D_GNU_SOURCE -D_LARGEFILE64_SOURCE
 KBUILD_CFLAGS += -D_LARGEFILE64_SOURCE
+DEV_NULL_PATH = \"/dev/null\"
diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile
index d283e7b022a..1d9b6ae967b 100644
--- a/arch/um/drivers/Makefile
+++ b/arch/um/drivers/Makefile
@@ -62,5 +62,6 @@ obj-$(CONFIG_UML_RANDOM) += random.o
 
 # pcap_user.o must be added explicitly.
 USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o pcap_user.o vde_user.o
+CFLAGS_null.o = -DDEV_NULL=$(DEV_NULL_PATH)
 
 include arch/um/scripts/Makefile.rules
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index 2aaffa04fc8..cd40fddcf99 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -11,7 +11,6 @@
 #include "longjmp.h"
 #include "mm_id.h"
 #include "sysdep/tls.h"
-#include "../../os/include/file.h"
 
 #define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))
 
diff --git a/arch/um/os-Linux/include/file.h b/arch/um/os-Linux/include/file.h
deleted file mode 100644
index fe71be24bd5..00000000000
--- a/arch/um/os-Linux/include/file.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* 
- * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
- */
-
-#ifndef __OS_FILE_H__
-#define __OS_FILE_H__
-
-#define DEV_NULL "/dev/null"
-
-#endif
-- 
GitLab


From 61bee20445935ee9802d25c261849440497497d3 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 25 Aug 2008 04:51:27 -0400
Subject: [PATCH 2064/2224] x86, um: get rid of arch/um/Kconfig.arch

Teach scripts/kconfig/Makefile and top-level Makefile that arch/*/Makefile
is allowed to say Kconfig := <whatever I want instead of arch/blah/Kconfig>.
Rewrite arch/um/Kconfig and arch/um/Kconfig.<subarch> so that the latter
would be top-level one (and include the pieces of the former).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 Makefile                        |   2 +-
 arch/um/Kconfig.common          |  77 +++++++++++++++++++
 arch/um/Kconfig.rest            |  42 +++++++++++
 arch/um/{Kconfig => Kconfig.um} | 126 --------------------------------
 arch/um/Kconfig.x86             |  10 +++
 arch/um/Makefile                |   8 +-
 scripts/kconfig/Makefile        |   4 +
 7 files changed, 136 insertions(+), 133 deletions(-)
 create mode 100644 arch/um/Kconfig.common
 create mode 100644 arch/um/Kconfig.rest
 rename arch/um/{Kconfig => Kconfig.um} (76%)

diff --git a/Makefile b/Makefile
index 16e3fbb968a..f6703f1cd9c 100644
--- a/Makefile
+++ b/Makefile
@@ -437,7 +437,7 @@ ifeq ($(config-targets),1)
 # KBUILD_DEFCONFIG may point out an alternative default configuration
 # used for 'make defconfig'
 include $(srctree)/arch/$(SRCARCH)/Makefile
-export KBUILD_DEFCONFIG
+export KBUILD_DEFCONFIG KBUILD_KCONFIG
 
 config %config: scripts_basic outputmakefile FORCE
 	$(Q)mkdir -p include/linux include/config
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
new file mode 100644
index 00000000000..0d207e73a75
--- /dev/null
+++ b/arch/um/Kconfig.common
@@ -0,0 +1,77 @@
+config DEFCONFIG_LIST
+	string
+	option defconfig_list
+	default "arch/$ARCH/defconfig"
+
+# UML uses the generic IRQ subsystem
+config GENERIC_HARDIRQS
+	bool
+	default y
+
+config UML
+	bool
+	default y
+
+config MMU
+	bool
+	default y
+
+config NO_IOMEM
+	def_bool y
+
+mainmenu "Linux/Usermode Kernel Configuration"
+
+config ISA
+	bool
+
+config SBUS
+	bool
+
+config PCI
+	bool
+
+config PCMCIA
+	bool
+
+# Yet to do!
+config TRACE_IRQFLAGS_SUPPORT
+	bool
+	default n
+
+config LOCKDEP_SUPPORT
+	bool
+	default y
+
+config STACKTRACE_SUPPORT
+	bool
+	default n
+
+config GENERIC_CALIBRATE_DELAY
+	bool
+	default y
+
+config GENERIC_BUG
+	bool
+	default y
+	depends on BUG
+
+config GENERIC_TIME
+	bool
+	default y
+
+config GENERIC_CLOCKEVENTS
+	bool
+	default y
+
+# Used in kernel/irq/manage.c and include/linux/irq.h
+config IRQ_RELEASE_METHOD
+	bool
+	default y
+
+config HZ
+	int
+	default 100
+
+config SUBARCH
+	string
+	option env="SUBARCH"
diff --git a/arch/um/Kconfig.rest b/arch/um/Kconfig.rest
new file mode 100644
index 00000000000..7b5cea75a6c
--- /dev/null
+++ b/arch/um/Kconfig.rest
@@ -0,0 +1,42 @@
+source "init/Kconfig"
+
+source "kernel/Kconfig.freezer"
+
+source "drivers/block/Kconfig"
+
+source "arch/um/Kconfig.char"
+
+source "drivers/base/Kconfig"
+
+source "net/Kconfig"
+
+source "arch/um/Kconfig.net"
+
+source "drivers/net/Kconfig"
+
+source "drivers/connector/Kconfig"
+
+source "fs/Kconfig"
+
+source "security/Kconfig"
+
+source "crypto/Kconfig"
+
+source "lib/Kconfig"
+
+source "drivers/scsi/Kconfig"
+
+source "drivers/md/Kconfig"
+
+if BROKEN
+	source "drivers/mtd/Kconfig"
+endif
+
+source "drivers/leds/Kconfig"
+
+#This is just to shut up some Kconfig warnings, so no prompt.
+config INPUT
+	bool
+	default n
+
+source "arch/um/Kconfig.debug"
diff --git a/arch/um/Kconfig b/arch/um/Kconfig.um
similarity index 76%
rename from arch/um/Kconfig
rename to arch/um/Kconfig.um
index a0801fda0be..ec2b8da1aba 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig.um
@@ -1,79 +1,3 @@
-config DEFCONFIG_LIST
-	string
-	option defconfig_list
-	default "arch/$ARCH/defconfig"
-
-# UML uses the generic IRQ subsystem
-config GENERIC_HARDIRQS
-	bool
-	default y
-
-config UML
-	bool
-	default y
-
-config MMU
-	bool
-	default y
-
-config NO_IOMEM
-	def_bool y
-
-mainmenu "Linux/Usermode Kernel Configuration"
-
-config ISA
-	bool
-
-config SBUS
-	bool
-
-config PCI
-	bool
-
-config PCMCIA
-	bool
-
-# Yet to do!
-config TRACE_IRQFLAGS_SUPPORT
-	bool
-	default n
-
-config LOCKDEP_SUPPORT
-	bool
-	default y
-
-config STACKTRACE_SUPPORT
-	bool
-	default n
-
-config GENERIC_CALIBRATE_DELAY
-	bool
-	default y
-
-config GENERIC_BUG
-	bool
-	default y
-	depends on BUG
-
-config GENERIC_TIME
-	bool
-	default y
-
-config GENERIC_CLOCKEVENTS
-	bool
-	default y
-
-# Used in kernel/irq/manage.c and include/linux/irq.h
-config IRQ_RELEASE_METHOD
-	bool
-	default y
-
-config HZ
-	int
-	default 100
-
-menu "UML-specific options"
-
 config STATIC_LINK
 	bool "Force a static link"
 	default n
@@ -85,11 +9,6 @@ config STATIC_LINK
 	  Additionally, this option enables using higher memory spaces (up to
 	  2.75G) for UML.
 
-config SUBARCH
-	string
-	option env="SUBARCH"
-
-source "arch/um/Kconfig.arch"
 source "mm/Kconfig"
 source "kernel/time/Kconfig"
 
@@ -228,48 +147,3 @@ config KERNEL_STACK_ORDER
 	  This option determines the size of UML kernel stacks.  They will
 	  be 1 << order pages.  The default is OK unless you're running Valgrind
 	  on UML, in which case, set this to 3.
-
-endmenu
-
-source "init/Kconfig"
-
-source "kernel/Kconfig.freezer"
-
-source "drivers/block/Kconfig"
-
-source "arch/um/Kconfig.char"
-
-source "drivers/base/Kconfig"
-
-source "net/Kconfig"
-
-source "arch/um/Kconfig.net"
-
-source "drivers/net/Kconfig"
-
-source "drivers/connector/Kconfig"
-
-source "fs/Kconfig"
-
-source "security/Kconfig"
-
-source "crypto/Kconfig"
-
-source "lib/Kconfig"
-
-source "drivers/scsi/Kconfig"
-
-source "drivers/md/Kconfig"
-
-if BROKEN
-	source "drivers/mtd/Kconfig"
-endif
-
-source "drivers/leds/Kconfig"
-
-#This is just to shut up some Kconfig warnings, so no prompt.
-config INPUT
-	bool
-	default n
-
-source "arch/um/Kconfig.debug"
diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86
index 76200c9f454..5ee328099c6 100644
--- a/arch/um/Kconfig.x86
+++ b/arch/um/Kconfig.x86
@@ -1,3 +1,7 @@
+source "arch/um/Kconfig.common"
+
+menu "UML-specific options"
+
 menu "Host processor type and features"
 
 source "arch/x86/Kconfig.cpu"
@@ -44,3 +48,9 @@ config SMP_BROKEN
 
 config GENERIC_HWEIGHT
 	def_bool y
+
+source "arch/um/Kconfig.um"
+
+endmenu
+
+source "arch/um/Kconfig.rest"
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 10894405ca7..425b8193961 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -87,11 +87,7 @@ define archhelp
   echo '		   find in the kernel root.'
 endef
 
-ifneq ($(KBUILD_SRC),)
-$(shell mkdir -p $(ARCH_DIR) && ln -fsn $(srctree)/$(ARCH_DIR)/Kconfig.$(HEADER_ARCH) $(ARCH_DIR)/Kconfig.arch)
-else
-$(shell ln -fsn Kconfig.$(HEADER_ARCH) $(ARCH_DIR)/Kconfig.arch)
-endif
+KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH)
 
 archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/shared/user_constants.h
 prepare: $(ARCH_DIR)/include/shared/kern_constants.h
@@ -128,7 +124,7 @@ endef
 # TT or skas makefiles and don't clean skas_ptregs.h.
 CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/shared/uml-config.h \
 	$(ARCH_DIR)/include/shared/user_constants.h \
-	$(ARCH_DIR)/include/shared/kern_constants.h $(ARCH_DIR)/Kconfig.arch
+	$(ARCH_DIR)/include/shared/kern_constants.h
 
 MRPROPER_FILES += $(ARCH_SYMLINKS)
 
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index fa1a7d56590..fa8c2dd9c98 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -4,7 +4,11 @@
 
 PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
 
+ifdef KBUILD_KCONFIG
+Kconfig := $(KBUILD_KCONFIG)
+else
 Kconfig := arch/$(SRCARCH)/Kconfig
+endif
 
 xconfig: $(obj)/qconf
 	$< $(Kconfig)
-- 
GitLab


From 87e299e5c7508a9443f04703f1d0c7f518f79ea9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 11 Oct 2008 18:39:18 -0400
Subject: [PATCH 2065/2224] x86, um: get rid of uml-config.h

Take a few symbols we need into kern_constants.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/Makefile                        | 18 +++---------------
 arch/um/include/shared/common-offsets.h | 13 +++++++++++++
 arch/um/include/shared/user.h           |  2 +-
 3 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/arch/um/Makefile b/arch/um/Makefile
index 425b8193961..d944c343acd 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -18,10 +18,6 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 			   $(ARCH_DIR)/drivers/		\
 			   $(ARCH_DIR)/os-$(OS)/
 
-# These are cleaned up during mrproper. Please DO NOT fix it again, this is
-# the Correct Thing(tm) to do!
-ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/uml-config.h
-
 MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
 
 include $(srctree)/$(ARCH_DIR)/Makefile-skas
@@ -29,7 +25,7 @@ include $(srctree)/$(ARCH_DIR)/Makefile-skas
 ARCH_INCLUDE	:= -I$(srctree)/$(ARCH_DIR)/include/shared
 ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared
 ifneq ($(KBUILD_SRC),)
-ARCH_INCLUDE	+= -I$(ARCH_DIR)/include/shared # for three generated files
+ARCH_INCLUDE	+= -I$(ARCH_DIR)/include/shared # for two generated files
 endif
 KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)
 
@@ -89,7 +85,7 @@ endef
 
 KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH)
 
-archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/shared/user_constants.h
+archprepare: $(ARCH_DIR)/include/shared/user_constants.h
 prepare: $(ARCH_DIR)/include/shared/kern_constants.h
 
 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
@@ -122,12 +118,10 @@ endef
 
 # When cleaning we don't include .config, so we don't include
 # TT or skas makefiles and don't clean skas_ptregs.h.
-CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/shared/uml-config.h \
+CLEAN_FILES += linux x.i gmon.out \
 	$(ARCH_DIR)/include/shared/user_constants.h \
 	$(ARCH_DIR)/include/shared/kern_constants.h
 
-MRPROPER_FILES += $(ARCH_SYMLINKS)
-
 archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
@@ -137,12 +131,6 @@ $(objtree)/$(ARCH_DIR)/include/shared:
 	$(Q)mkdir -p $@
 
 # Generated files
-define filechk_umlconfig
-	sed 's/ CONFIG/ UML_CONFIG/'
-endef
-
-$(ARCH_DIR)/include/shared/uml-config.h : include/linux/autoconf.h
-	$(call filechk,umlconfig)
 
 $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
 	$(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@
diff --git a/arch/um/include/shared/common-offsets.h b/arch/um/include/shared/common-offsets.h
index b54bd35585c..72009c7e321 100644
--- a/arch/um/include/shared/common-offsets.h
+++ b/arch/um/include/shared/common-offsets.h
@@ -39,3 +39,16 @@ DEFINE(UM_HZ, HZ);
 DEFINE(UM_USEC_PER_SEC, USEC_PER_SEC);
 DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC);
 DEFINE(UM_NSEC_PER_USEC, NSEC_PER_USEC);
+
+#ifdef CONFIG_PRINTK
+DEFINE(UML_CONFIG_PRINTK, CONFIG_PRINTK);
+#endif
+#ifdef CONFIG_NO_HZ
+DEFINE(UML_CONFIG_NO_HZ, CONFIG_NO_HZ);
+#endif
+#ifdef CONFIG_UML_X86
+DEFINE(UML_CONFIG_UML_X86, CONFIG_UML_X86);
+#endif
+#ifdef CONFIG_64BIT
+DEFINE(UML_CONFIG_64BIT, CONFIG_64BIT);
+#endif
diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
index 1723fac6f40..293f7c794fa 100644
--- a/arch/um/include/shared/user.h
+++ b/arch/um/include/shared/user.h
@@ -6,7 +6,7 @@
 #ifndef __USER_H__
 #define __USER_H__
 
-#include "uml-config.h"
+#include "kern_constants.h"
 
 /*
  * The usual definition - copied here because the kernel provides its own,
-- 
GitLab


From 1965aae3c98397aad957412413c07e97b1bd4e64 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Wed, 22 Oct 2008 22:26:29 -0700
Subject: [PATCH 2066/2224] x86: Fix ASM_X86__ header guards

Change header guards named "ASM_X86__*" to "_ASM_X86_*" since:

a. the double underscore is ugly and pointless.
b. no leading underscore violates namespace constraints.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/um/sys-x86_64/syscall_table.c               | 4 ++--
 arch/x86/boot/compressed/misc.c                  | 2 +-
 arch/x86/include/asm/a.out-core.h                | 6 +++---
 arch/x86/include/asm/a.out.h                     | 6 +++---
 arch/x86/include/asm/acpi.h                      | 6 +++---
 arch/x86/include/asm/agp.h                       | 6 +++---
 arch/x86/include/asm/alternative.h               | 6 +++---
 arch/x86/include/asm/amd_iommu.h                 | 6 +++---
 arch/x86/include/asm/amd_iommu_types.h           | 6 +++---
 arch/x86/include/asm/apic.h                      | 6 +++---
 arch/x86/include/asm/apicdef.h                   | 6 +++---
 arch/x86/include/asm/arch_hooks.h                | 6 +++---
 arch/x86/include/asm/asm.h                       | 6 +++---
 arch/x86/include/asm/atomic_32.h                 | 6 +++---
 arch/x86/include/asm/atomic_64.h                 | 6 +++---
 arch/x86/include/asm/auxvec.h                    | 6 +++---
 arch/x86/include/asm/bios_ebda.h                 | 6 +++---
 arch/x86/include/asm/bitops.h                    | 6 +++---
 arch/x86/include/asm/boot.h                      | 6 +++---
 arch/x86/include/asm/bootparam.h                 | 6 +++---
 arch/x86/include/asm/bug.h                       | 6 +++---
 arch/x86/include/asm/bugs.h                      | 6 +++---
 arch/x86/include/asm/byteorder.h                 | 6 +++---
 arch/x86/include/asm/cache.h                     | 6 +++---
 arch/x86/include/asm/cacheflush.h                | 6 +++---
 arch/x86/include/asm/calgary.h                   | 6 +++---
 arch/x86/include/asm/checksum_32.h               | 6 +++---
 arch/x86/include/asm/checksum_64.h               | 6 +++---
 arch/x86/include/asm/cmpxchg_32.h                | 6 +++---
 arch/x86/include/asm/cmpxchg_64.h                | 6 +++---
 arch/x86/include/asm/compat.h                    | 6 +++---
 arch/x86/include/asm/cpu.h                       | 6 +++---
 arch/x86/include/asm/cpufeature.h                | 6 +++---
 arch/x86/include/asm/current.h                   | 6 +++---
 arch/x86/include/asm/debugreg.h                  | 6 +++---
 arch/x86/include/asm/delay.h                     | 6 +++---
 arch/x86/include/asm/desc.h                      | 6 +++---
 arch/x86/include/asm/desc_defs.h                 | 6 +++---
 arch/x86/include/asm/device.h                    | 6 +++---
 arch/x86/include/asm/div64.h                     | 6 +++---
 arch/x86/include/asm/dma-mapping.h               | 6 +++---
 arch/x86/include/asm/dma.h                       | 6 +++---
 arch/x86/include/asm/dmi.h                       | 6 +++---
 arch/x86/include/asm/ds.h                        | 6 +++---
 arch/x86/include/asm/dwarf2.h                    | 6 +++---
 arch/x86/include/asm/e820.h                      | 6 +++---
 arch/x86/include/asm/edac.h                      | 6 +++---
 arch/x86/include/asm/efi.h                       | 6 +++---
 arch/x86/include/asm/elf.h                       | 6 +++---
 arch/x86/include/asm/emergency-restart.h         | 6 +++---
 arch/x86/include/asm/fb.h                        | 6 +++---
 arch/x86/include/asm/fixmap.h                    | 6 +++---
 arch/x86/include/asm/fixmap_32.h                 | 6 +++---
 arch/x86/include/asm/fixmap_64.h                 | 6 +++---
 arch/x86/include/asm/floppy.h                    | 6 +++---
 arch/x86/include/asm/ftrace.h                    | 6 +++---
 arch/x86/include/asm/futex.h                     | 6 +++---
 arch/x86/include/asm/gart.h                      | 6 +++---
 arch/x86/include/asm/genapic_32.h                | 6 +++---
 arch/x86/include/asm/genapic_64.h                | 6 +++---
 arch/x86/include/asm/geode.h                     | 6 +++---
 arch/x86/include/asm/gpio.h                      | 2 +-
 arch/x86/include/asm/hardirq_32.h                | 6 +++---
 arch/x86/include/asm/hardirq_64.h                | 6 +++---
 arch/x86/include/asm/highmem.h                   | 6 +++---
 arch/x86/include/asm/hpet.h                      | 6 +++---
 arch/x86/include/asm/hugetlb.h                   | 6 +++---
 arch/x86/include/asm/hw_irq.h                    | 6 +++---
 arch/x86/include/asm/hypertransport.h            | 6 +++---
 arch/x86/include/asm/i387.h                      | 6 +++---
 arch/x86/include/asm/i8253.h                     | 6 +++---
 arch/x86/include/asm/i8259.h                     | 6 +++---
 arch/x86/include/asm/ia32.h                      | 6 +++---
 arch/x86/include/asm/ia32_unistd.h               | 6 +++---
 arch/x86/include/asm/idle.h                      | 6 +++---
 arch/x86/include/asm/intel_arch_perfmon.h        | 6 +++---
 arch/x86/include/asm/io.h                        | 6 +++---
 arch/x86/include/asm/io_32.h                     | 6 +++---
 arch/x86/include/asm/io_64.h                     | 6 +++---
 arch/x86/include/asm/io_apic.h                   | 6 +++---
 arch/x86/include/asm/ioctls.h                    | 6 +++---
 arch/x86/include/asm/iommu.h                     | 6 +++---
 arch/x86/include/asm/ipcbuf.h                    | 6 +++---
 arch/x86/include/asm/ipi.h                       | 6 +++---
 arch/x86/include/asm/irq.h                       | 6 +++---
 arch/x86/include/asm/irq_regs_32.h               | 6 +++---
 arch/x86/include/asm/irq_vectors.h               | 6 +++---
 arch/x86/include/asm/ist.h                       | 6 +++---
 arch/x86/include/asm/k8.h                        | 6 +++---
 arch/x86/include/asm/kdebug.h                    | 6 +++---
 arch/x86/include/asm/kexec.h                     | 6 +++---
 arch/x86/include/asm/kgdb.h                      | 6 +++---
 arch/x86/include/asm/kmap_types.h                | 6 +++---
 arch/x86/include/asm/kprobes.h                   | 6 +++---
 arch/x86/include/asm/kvm.h                       | 6 +++---
 arch/x86/include/asm/kvm_host.h                  | 6 +++---
 arch/x86/include/asm/kvm_para.h                  | 6 +++---
 arch/x86/include/asm/kvm_x86_emulate.h           | 6 +++---
 arch/x86/include/asm/ldt.h                       | 6 +++---
 arch/x86/include/asm/lguest.h                    | 6 +++---
 arch/x86/include/asm/lguest_hcall.h              | 6 +++---
 arch/x86/include/asm/linkage.h                   | 6 +++---
 arch/x86/include/asm/local.h                     | 6 +++---
 arch/x86/include/asm/mach-default/apm.h          | 6 +++---
 arch/x86/include/asm/mach-default/mach_apic.h    | 6 +++---
 arch/x86/include/asm/mach-default/mach_apicdef.h | 6 +++---
 arch/x86/include/asm/mach-default/mach_ipi.h     | 6 +++---
 arch/x86/include/asm/mach-default/mach_mpparse.h | 6 +++---
 arch/x86/include/asm/mach-default/mach_mpspec.h  | 6 +++---
 arch/x86/include/asm/mach-default/mach_timer.h   | 6 +++---
 arch/x86/include/asm/mach-default/mach_traps.h   | 6 +++---
 arch/x86/include/asm/mach-default/mach_wakecpu.h | 6 +++---
 arch/x86/include/asm/mach-generic/gpio.h         | 6 +++---
 arch/x86/include/asm/mach-generic/mach_apic.h    | 6 +++---
 arch/x86/include/asm/mach-generic/mach_apicdef.h | 6 +++---
 arch/x86/include/asm/mach-generic/mach_ipi.h     | 6 +++---
 arch/x86/include/asm/mach-generic/mach_mpparse.h | 6 +++---
 arch/x86/include/asm/mach-generic/mach_mpspec.h  | 6 +++---
 arch/x86/include/asm/mach-rdc321x/gpio.h         | 6 +++---
 arch/x86/include/asm/math_emu.h                  | 6 +++---
 arch/x86/include/asm/mc146818rtc.h               | 6 +++---
 arch/x86/include/asm/mca.h                       | 6 +++---
 arch/x86/include/asm/mca_dma.h                   | 6 +++---
 arch/x86/include/asm/mce.h                       | 6 +++---
 arch/x86/include/asm/microcode.h                 | 6 +++---
 arch/x86/include/asm/mman.h                      | 6 +++---
 arch/x86/include/asm/mmconfig.h                  | 6 +++---
 arch/x86/include/asm/mmu.h                       | 6 +++---
 arch/x86/include/asm/mmu_context.h               | 6 +++---
 arch/x86/include/asm/mmu_context_32.h            | 6 +++---
 arch/x86/include/asm/mmu_context_64.h            | 6 +++---
 arch/x86/include/asm/mmx.h                       | 6 +++---
 arch/x86/include/asm/mmzone_32.h                 | 6 +++---
 arch/x86/include/asm/mmzone_64.h                 | 6 +++---
 arch/x86/include/asm/module.h                    | 6 +++---
 arch/x86/include/asm/mpspec.h                    | 6 +++---
 arch/x86/include/asm/mpspec_def.h                | 6 +++---
 arch/x86/include/asm/msgbuf.h                    | 6 +++---
 arch/x86/include/asm/msidef.h                    | 6 +++---
 arch/x86/include/asm/msr-index.h                 | 6 +++---
 arch/x86/include/asm/msr.h                       | 6 +++---
 arch/x86/include/asm/mtrr.h                      | 6 +++---
 arch/x86/include/asm/mutex_32.h                  | 6 +++---
 arch/x86/include/asm/mutex_64.h                  | 6 +++---
 arch/x86/include/asm/nmi.h                       | 6 +++---
 arch/x86/include/asm/nops.h                      | 6 +++---
 arch/x86/include/asm/numa_32.h                   | 6 +++---
 arch/x86/include/asm/numa_64.h                   | 6 +++---
 arch/x86/include/asm/numaq.h                     | 6 +++---
 arch/x86/include/asm/olpc.h                      | 6 +++---
 arch/x86/include/asm/page.h                      | 6 +++---
 arch/x86/include/asm/page_32.h                   | 6 +++---
 arch/x86/include/asm/page_64.h                   | 6 +++---
 arch/x86/include/asm/param.h                     | 6 +++---
 arch/x86/include/asm/paravirt.h                  | 6 +++---
 arch/x86/include/asm/parport.h                   | 6 +++---
 arch/x86/include/asm/pat.h                       | 6 +++---
 arch/x86/include/asm/pci-direct.h                | 6 +++---
 arch/x86/include/asm/pci.h                       | 6 +++---
 arch/x86/include/asm/pci_32.h                    | 6 +++---
 arch/x86/include/asm/pci_64.h                    | 6 +++---
 arch/x86/include/asm/pda.h                       | 6 +++---
 arch/x86/include/asm/percpu.h                    | 6 +++---
 arch/x86/include/asm/pgalloc.h                   | 6 +++---
 arch/x86/include/asm/pgtable-2level-defs.h       | 6 +++---
 arch/x86/include/asm/pgtable-2level.h            | 6 +++---
 arch/x86/include/asm/pgtable-3level-defs.h       | 6 +++---
 arch/x86/include/asm/pgtable-3level.h            | 6 +++---
 arch/x86/include/asm/pgtable.h                   | 6 +++---
 arch/x86/include/asm/pgtable_32.h                | 6 +++---
 arch/x86/include/asm/pgtable_64.h                | 6 +++---
 arch/x86/include/asm/posix_types_32.h            | 6 +++---
 arch/x86/include/asm/posix_types_64.h            | 6 +++---
 arch/x86/include/asm/prctl.h                     | 6 +++---
 arch/x86/include/asm/processor-flags.h           | 6 +++---
 arch/x86/include/asm/processor.h                 | 6 +++---
 arch/x86/include/asm/proto.h                     | 6 +++---
 arch/x86/include/asm/ptrace-abi.h                | 6 +++---
 arch/x86/include/asm/ptrace.h                    | 6 +++---
 arch/x86/include/asm/pvclock-abi.h               | 6 +++---
 arch/x86/include/asm/pvclock.h                   | 6 +++---
 arch/x86/include/asm/reboot.h                    | 6 +++---
 arch/x86/include/asm/reboot_fixups.h             | 6 +++---
 arch/x86/include/asm/required-features.h         | 6 +++---
 arch/x86/include/asm/resume-trace.h              | 6 +++---
 arch/x86/include/asm/rio.h                       | 6 +++---
 arch/x86/include/asm/rwlock.h                    | 6 +++---
 arch/x86/include/asm/rwsem.h                     | 6 +++---
 arch/x86/include/asm/scatterlist.h               | 6 +++---
 arch/x86/include/asm/seccomp_32.h                | 6 +++---
 arch/x86/include/asm/seccomp_64.h                | 6 +++---
 arch/x86/include/asm/segment.h                   | 6 +++---
 arch/x86/include/asm/sembuf.h                    | 6 +++---
 arch/x86/include/asm/serial.h                    | 6 +++---
 arch/x86/include/asm/setup.h                     | 6 +++---
 arch/x86/include/asm/shmbuf.h                    | 6 +++---
 arch/x86/include/asm/shmparam.h                  | 6 +++---
 arch/x86/include/asm/sigcontext.h                | 6 +++---
 arch/x86/include/asm/sigcontext32.h              | 6 +++---
 arch/x86/include/asm/siginfo.h                   | 6 +++---
 arch/x86/include/asm/signal.h                    | 6 +++---
 arch/x86/include/asm/smp.h                       | 6 +++---
 arch/x86/include/asm/socket.h                    | 6 +++---
 arch/x86/include/asm/sockios.h                   | 6 +++---
 arch/x86/include/asm/sparsemem.h                 | 6 +++---
 arch/x86/include/asm/spinlock.h                  | 6 +++---
 arch/x86/include/asm/spinlock_types.h            | 6 +++---
 arch/x86/include/asm/srat.h                      | 6 +++---
 arch/x86/include/asm/stacktrace.h                | 6 +++---
 arch/x86/include/asm/stat.h                      | 6 +++---
 arch/x86/include/asm/statfs.h                    | 6 +++---
 arch/x86/include/asm/string_32.h                 | 6 +++---
 arch/x86/include/asm/string_64.h                 | 6 +++---
 arch/x86/include/asm/suspend_32.h                | 6 +++---
 arch/x86/include/asm/suspend_64.h                | 6 +++---
 arch/x86/include/asm/swiotlb.h                   | 6 +++---
 arch/x86/include/asm/sync_bitops.h               | 6 +++---
 arch/x86/include/asm/system.h                    | 6 +++---
 arch/x86/include/asm/system_64.h                 | 6 +++---
 arch/x86/include/asm/tce.h                       | 6 +++---
 arch/x86/include/asm/termbits.h                  | 6 +++---
 arch/x86/include/asm/termios.h                   | 6 +++---
 arch/x86/include/asm/therm_throt.h               | 6 +++---
 arch/x86/include/asm/thread_info.h               | 6 +++---
 arch/x86/include/asm/time.h                      | 6 +++---
 arch/x86/include/asm/timer.h                     | 6 +++---
 arch/x86/include/asm/timex.h                     | 6 +++---
 arch/x86/include/asm/tlb.h                       | 6 +++---
 arch/x86/include/asm/tlbflush.h                  | 6 +++---
 arch/x86/include/asm/topology.h                  | 6 +++---
 arch/x86/include/asm/trampoline.h                | 6 +++---
 arch/x86/include/asm/traps.h                     | 6 +++---
 arch/x86/include/asm/tsc.h                       | 6 +++---
 arch/x86/include/asm/types.h                     | 6 +++---
 arch/x86/include/asm/uaccess.h                   | 6 +++---
 arch/x86/include/asm/uaccess_32.h                | 6 +++---
 arch/x86/include/asm/uaccess_64.h                | 6 +++---
 arch/x86/include/asm/ucontext.h                  | 6 +++---
 arch/x86/include/asm/unaligned.h                 | 6 +++---
 arch/x86/include/asm/unistd_32.h                 | 6 +++---
 arch/x86/include/asm/unistd_64.h                 | 6 +++---
 arch/x86/include/asm/unwind.h                    | 6 +++---
 arch/x86/include/asm/user32.h                    | 6 +++---
 arch/x86/include/asm/user_32.h                   | 6 +++---
 arch/x86/include/asm/user_64.h                   | 6 +++---
 arch/x86/include/asm/uv/bios.h                   | 6 +++---
 arch/x86/include/asm/uv/uv_bau.h                 | 6 +++---
 arch/x86/include/asm/uv/uv_hub.h                 | 6 +++---
 arch/x86/include/asm/uv/uv_irq.h                 | 6 +++---
 arch/x86/include/asm/uv/uv_mmrs.h                | 6 +++---
 arch/x86/include/asm/vdso.h                      | 6 +++---
 arch/x86/include/asm/vga.h                       | 6 +++---
 arch/x86/include/asm/vgtod.h                     | 6 +++---
 arch/x86/include/asm/visws/cobalt.h              | 6 +++---
 arch/x86/include/asm/visws/lithium.h             | 6 +++---
 arch/x86/include/asm/visws/piix4.h               | 6 +++---
 arch/x86/include/asm/vm86.h                      | 6 +++---
 arch/x86/include/asm/vmi_time.h                  | 6 +++---
 arch/x86/include/asm/vsyscall.h                  | 6 +++---
 arch/x86/include/asm/xen/events.h                | 6 +++---
 arch/x86/include/asm/xen/grant_table.h           | 6 +++---
 arch/x86/include/asm/xen/hypercall.h             | 6 +++---
 arch/x86/include/asm/xen/hypervisor.h            | 6 +++---
 arch/x86/include/asm/xen/interface.h             | 6 +++---
 arch/x86/include/asm/xen/interface_32.h          | 6 +++---
 arch/x86/include/asm/xen/interface_64.h          | 6 +++---
 arch/x86/include/asm/xen/page.h                  | 6 +++---
 arch/x86/include/asm/xor_32.h                    | 6 +++---
 arch/x86/include/asm/xor_64.h                    | 6 +++---
 arch/x86/kernel/asm-offsets_64.c                 | 2 +-
 arch/x86/kernel/syscall_64.c                     | 4 ++--
 271 files changed, 805 insertions(+), 805 deletions(-)

diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c
index ef42ec01eaf..dd21d69715e 100644
--- a/arch/um/sys-x86_64/syscall_table.c
+++ b/arch/um/sys-x86_64/syscall_table.c
@@ -41,12 +41,12 @@
 #define stub_rt_sigreturn sys_rt_sigreturn
 
 #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ;
-#undef ASM_X86__UNISTD_64_H
+#undef _ASM_X86_UNISTD_64_H
 #include "../../x86/include/asm/unistd_64.h"
 
 #undef __SYSCALL
 #define __SYSCALL(nr, sym) [ nr ] = sym,
-#undef ASM_X86__UNISTD_64_H
+#undef _ASM_X86_UNISTD_64_H
 
 typedef void (*sys_call_ptr_t)(void);
 
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 5780d361105..da062216948 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -16,7 +16,7 @@
  */
 #undef CONFIG_PARAVIRT
 #ifdef CONFIG_X86_32
-#define ASM_X86__DESC_H 1
+#define _ASM_X86_DESC_H 1
 #endif
 
 #ifdef CONFIG_X86_64
diff --git a/arch/x86/include/asm/a.out-core.h b/arch/x86/include/asm/a.out-core.h
index f5705761a37..37822206083 100644
--- a/arch/x86/include/asm/a.out-core.h
+++ b/arch/x86/include/asm/a.out-core.h
@@ -9,8 +9,8 @@
  * 2 of the Licence, or (at your option) any later version.
  */
 
-#ifndef ASM_X86__A_OUT_CORE_H
-#define ASM_X86__A_OUT_CORE_H
+#ifndef _ASM_X86_A_OUT_CORE_H
+#define _ASM_X86_A_OUT_CORE_H
 
 #ifdef __KERNEL__
 #ifdef CONFIG_X86_32
@@ -70,4 +70,4 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
 
 #endif /* CONFIG_X86_32 */
 #endif /* __KERNEL__ */
-#endif /* ASM_X86__A_OUT_CORE_H */
+#endif /* _ASM_X86_A_OUT_CORE_H */
diff --git a/arch/x86/include/asm/a.out.h b/arch/x86/include/asm/a.out.h
index 0948748bc69..4684f97a5bb 100644
--- a/arch/x86/include/asm/a.out.h
+++ b/arch/x86/include/asm/a.out.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__A_OUT_H
-#define ASM_X86__A_OUT_H
+#ifndef _ASM_X86_A_OUT_H
+#define _ASM_X86_A_OUT_H
 
 struct exec
 {
@@ -17,4 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)
 
-#endif /* ASM_X86__A_OUT_H */
+#endif /* _ASM_X86_A_OUT_H */
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 392e17336be..8d676d8ecde 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ACPI_H
-#define ASM_X86__ACPI_H
+#ifndef _ASM_X86_ACPI_H
+#define _ASM_X86_ACPI_H
 
 /*
  *  Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
@@ -175,4 +175,4 @@ static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,
 
 #define acpi_unlazy_tlb(x)	leave_mm(x)
 
-#endif /* ASM_X86__ACPI_H */
+#endif /* _ASM_X86_ACPI_H */
diff --git a/arch/x86/include/asm/agp.h b/arch/x86/include/asm/agp.h
index 3617fd4fcdf..9825cd64c9b 100644
--- a/arch/x86/include/asm/agp.h
+++ b/arch/x86/include/asm/agp.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__AGP_H
-#define ASM_X86__AGP_H
+#ifndef _ASM_X86_AGP_H
+#define _ASM_X86_AGP_H
 
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
@@ -32,4 +32,4 @@
 #define free_gatt_pages(table, order)	\
 	free_pages((unsigned long)(table), (order))
 
-#endif /* ASM_X86__AGP_H */
+#endif /* _ASM_X86_AGP_H */
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 22d3c9862bf..f6aa18eadf7 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ALTERNATIVE_H
-#define ASM_X86__ALTERNATIVE_H
+#ifndef _ASM_X86_ALTERNATIVE_H
+#define _ASM_X86_ALTERNATIVE_H
 
 #include <linux/types.h>
 #include <linux/stddef.h>
@@ -180,4 +180,4 @@ extern void add_nops(void *insns, unsigned int len);
 extern void *text_poke(void *addr, const void *opcode, size_t len);
 extern void *text_poke_early(void *addr, const void *opcode, size_t len);
 
-#endif /* ASM_X86__ALTERNATIVE_H */
+#endif /* _ASM_X86_ALTERNATIVE_H */
diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h
index 041d0db7da2..f712344329b 100644
--- a/arch/x86/include/asm/amd_iommu.h
+++ b/arch/x86/include/asm/amd_iommu.h
@@ -17,8 +17,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-#ifndef ASM_X86__AMD_IOMMU_H
-#define ASM_X86__AMD_IOMMU_H
+#ifndef _ASM_X86_AMD_IOMMU_H
+#define _ASM_X86_AMD_IOMMU_H
 
 #include <linux/irqreturn.h>
 
@@ -32,4 +32,4 @@ static inline int amd_iommu_init(void) { return -ENODEV; }
 static inline void amd_iommu_detect(void) { }
 #endif
 
-#endif /* ASM_X86__AMD_IOMMU_H */
+#endif /* _ASM_X86_AMD_IOMMU_H */
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index b3085869a17..1a30c0440c6 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -17,8 +17,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-#ifndef ASM_X86__AMD_IOMMU_TYPES_H
-#define ASM_X86__AMD_IOMMU_TYPES_H
+#ifndef _ASM_X86_AMD_IOMMU_TYPES_H
+#define _ASM_X86_AMD_IOMMU_TYPES_H
 
 #include <linux/types.h>
 #include <linux/list.h>
@@ -401,4 +401,4 @@ static inline u16 calc_devid(u8 bus, u8 devfn)
 	return (((u16)bus) << 8) | devfn;
 }
 
-#endif /* ASM_X86__AMD_IOMMU_TYPES_H */
+#endif /* _ASM_X86_AMD_IOMMU_TYPES_H */
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index ef1d72dbdfe..3b1510b4fc5 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__APIC_H
-#define ASM_X86__APIC_H
+#ifndef _ASM_X86_APIC_H
+#define _ASM_X86_APIC_H
 
 #include <linux/pm.h>
 #include <linux/delay.h>
@@ -196,4 +196,4 @@ static inline void init_apic_mappings(void) { }
 
 #endif /* !CONFIG_X86_LOCAL_APIC */
 
-#endif /* ASM_X86__APIC_H */
+#endif /* _ASM_X86_APIC_H */
diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h
index b922c85ac91..63134e31e8b 100644
--- a/arch/x86/include/asm/apicdef.h
+++ b/arch/x86/include/asm/apicdef.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__APICDEF_H
-#define ASM_X86__APICDEF_H
+#ifndef _ASM_X86_APICDEF_H
+#define _ASM_X86_APICDEF_H
 
 /*
  * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
@@ -414,4 +414,4 @@ struct local_apic {
 #else
  #define BAD_APICID 0xFFFFu
 #endif
-#endif /* ASM_X86__APICDEF_H */
+#endif /* _ASM_X86_APICDEF_H */
diff --git a/arch/x86/include/asm/arch_hooks.h b/arch/x86/include/asm/arch_hooks.h
index de4596b24c2..cbd4957838a 100644
--- a/arch/x86/include/asm/arch_hooks.h
+++ b/arch/x86/include/asm/arch_hooks.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ARCH_HOOKS_H
-#define ASM_X86__ARCH_HOOKS_H
+#ifndef _ASM_X86_ARCH_HOOKS_H
+#define _ASM_X86_ARCH_HOOKS_H
 
 #include <linux/interrupt.h>
 
@@ -23,4 +23,4 @@ extern void pre_time_init_hook(void);
 extern void time_init_hook(void);
 extern void mca_nmi_hook(void);
 
-#endif /* ASM_X86__ARCH_HOOKS_H */
+#endif /* _ASM_X86_ARCH_HOOKS_H */
diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h
index e1355f44d7c..56be78f582f 100644
--- a/arch/x86/include/asm/asm.h
+++ b/arch/x86/include/asm/asm.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ASM_H
-#define ASM_X86__ASM_H
+#ifndef _ASM_X86_ASM_H
+#define _ASM_X86_ASM_H
 
 #ifdef __ASSEMBLY__
 # define __ASM_FORM(x)	x
@@ -44,4 +44,4 @@
 	_ASM_PTR #from "," #to "\n" \
 	" .previous\n"
 
-#endif /* ASM_X86__ASM_H */
+#endif /* _ASM_X86_ASM_H */
diff --git a/arch/x86/include/asm/atomic_32.h b/arch/x86/include/asm/atomic_32.h
index 14d3f0beb88..ad5b9f6ecdd 100644
--- a/arch/x86/include/asm/atomic_32.h
+++ b/arch/x86/include/asm/atomic_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ATOMIC_32_H
-#define ASM_X86__ATOMIC_32_H
+#ifndef _ASM_X86_ATOMIC_32_H
+#define _ASM_X86_ATOMIC_32_H
 
 #include <linux/compiler.h>
 #include <asm/processor.h>
@@ -256,4 +256,4 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 #define smp_mb__after_atomic_inc()	barrier()
 
 #include <asm-generic/atomic.h>
-#endif /* ASM_X86__ATOMIC_32_H */
+#endif /* _ASM_X86_ATOMIC_32_H */
diff --git a/arch/x86/include/asm/atomic_64.h b/arch/x86/include/asm/atomic_64.h
index 2cb218c4a35..279d2a731f3 100644
--- a/arch/x86/include/asm/atomic_64.h
+++ b/arch/x86/include/asm/atomic_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ATOMIC_64_H
-#define ASM_X86__ATOMIC_64_H
+#ifndef _ASM_X86_ATOMIC_64_H
+#define _ASM_X86_ATOMIC_64_H
 
 #include <asm/alternative.h>
 #include <asm/cmpxchg.h>
@@ -470,4 +470,4 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2)
 #define smp_mb__after_atomic_inc()	barrier()
 
 #include <asm-generic/atomic.h>
-#endif /* ASM_X86__ATOMIC_64_H */
+#endif /* _ASM_X86_ATOMIC_64_H */
diff --git a/arch/x86/include/asm/auxvec.h b/arch/x86/include/asm/auxvec.h
index 12c7cac7420..1316b4c3542 100644
--- a/arch/x86/include/asm/auxvec.h
+++ b/arch/x86/include/asm/auxvec.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__AUXVEC_H
-#define ASM_X86__AUXVEC_H
+#ifndef _ASM_X86_AUXVEC_H
+#define _ASM_X86_AUXVEC_H
 /*
  * Architecture-neutral AT_ values in 0-17, leave some room
  * for more of them, start the x86-specific ones at 32.
@@ -9,4 +9,4 @@
 #endif
 #define AT_SYSINFO_EHDR		33
 
-#endif /* ASM_X86__AUXVEC_H */
+#endif /* _ASM_X86_AUXVEC_H */
diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h
index 79b4b88505d..3c7521063d3 100644
--- a/arch/x86/include/asm/bios_ebda.h
+++ b/arch/x86/include/asm/bios_ebda.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BIOS_EBDA_H
-#define ASM_X86__BIOS_EBDA_H
+#ifndef _ASM_X86_BIOS_EBDA_H
+#define _ASM_X86_BIOS_EBDA_H
 
 #include <asm/io.h>
 
@@ -33,4 +33,4 @@ static inline void start_periodic_check_for_corruption(void)
 }
 #endif
 
-#endif /* ASM_X86__BIOS_EBDA_H */
+#endif /* _ASM_X86_BIOS_EBDA_H */
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 451a74762bd..36001032271 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BITOPS_H
-#define ASM_X86__BITOPS_H
+#ifndef _ASM_X86_BITOPS_H
+#define _ASM_X86_BITOPS_H
 
 /*
  * Copyright 1992, Linus Torvalds.
@@ -448,4 +448,4 @@ static inline int fls(int x)
 #include <asm-generic/bitops/minix.h>
 
 #endif /* __KERNEL__ */
-#endif /* ASM_X86__BITOPS_H */
+#endif /* _ASM_X86_BITOPS_H */
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
index 1d63bd5d594..dd61616cb73 100644
--- a/arch/x86/include/asm/boot.h
+++ b/arch/x86/include/asm/boot.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BOOT_H
-#define ASM_X86__BOOT_H
+#ifndef _ASM_X86_BOOT_H
+#define _ASM_X86_BOOT_H
 
 /* Don't touch these, unless you really know what you're doing. */
 #define DEF_SYSSEG	0x1000
@@ -23,4 +23,4 @@
 #define BOOT_STACK_SIZE	0x1000
 #endif
 
-#endif /* ASM_X86__BOOT_H */
+#endif /* _ASM_X86_BOOT_H */
diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
index ccf027e2d97..433adaebf9b 100644
--- a/arch/x86/include/asm/bootparam.h
+++ b/arch/x86/include/asm/bootparam.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BOOTPARAM_H
-#define ASM_X86__BOOTPARAM_H
+#ifndef _ASM_X86_BOOTPARAM_H
+#define _ASM_X86_BOOTPARAM_H
 
 #include <linux/types.h>
 #include <linux/screen_info.h>
@@ -108,4 +108,4 @@ struct boot_params {
 	__u8  _pad9[276];				/* 0xeec */
 } __attribute__((packed));
 
-#endif /* ASM_X86__BOOTPARAM_H */
+#endif /* _ASM_X86_BOOTPARAM_H */
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index 91ad43a54c4..3def2065fce 100644
--- a/arch/x86/include/asm/bug.h
+++ b/arch/x86/include/asm/bug.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BUG_H
-#define ASM_X86__BUG_H
+#ifndef _ASM_X86_BUG_H
+#define _ASM_X86_BUG_H
 
 #ifdef CONFIG_BUG
 #define HAVE_ARCH_BUG
@@ -36,4 +36,4 @@ do {								\
 #endif /* !CONFIG_BUG */
 
 #include <asm-generic/bug.h>
-#endif /* ASM_X86__BUG_H */
+#endif /* _ASM_X86_BUG_H */
diff --git a/arch/x86/include/asm/bugs.h b/arch/x86/include/asm/bugs.h
index dc604985f2a..08abf639075 100644
--- a/arch/x86/include/asm/bugs.h
+++ b/arch/x86/include/asm/bugs.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BUGS_H
-#define ASM_X86__BUGS_H
+#ifndef _ASM_X86_BUGS_H
+#define _ASM_X86_BUGS_H
 
 extern void check_bugs(void);
 
@@ -9,4 +9,4 @@ int ppro_with_ram_bug(void);
 static inline int ppro_with_ram_bug(void) { return 0; }
 #endif
 
-#endif /* ASM_X86__BUGS_H */
+#endif /* _ASM_X86_BUGS_H */
diff --git a/arch/x86/include/asm/byteorder.h b/arch/x86/include/asm/byteorder.h
index 722f27d6810..e02ae2d89ac 100644
--- a/arch/x86/include/asm/byteorder.h
+++ b/arch/x86/include/asm/byteorder.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BYTEORDER_H
-#define ASM_X86__BYTEORDER_H
+#ifndef _ASM_X86_BYTEORDER_H
+#define _ASM_X86_BYTEORDER_H
 
 #include <asm/types.h>
 #include <linux/compiler.h>
@@ -78,4 +78,4 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
 
 #include <linux/byteorder/little_endian.h>
 
-#endif /* ASM_X86__BYTEORDER_H */
+#endif /* _ASM_X86_BYTEORDER_H */
diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
index ea3f1cc06a9..5d367caa0e3 100644
--- a/arch/x86/include/asm/cache.h
+++ b/arch/x86/include/asm/cache.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CACHE_H
-#define ASM_X86__CACHE_H
+#ifndef _ASM_X86_CACHE_H
+#define _ASM_X86_CACHE_H
 
 /* L1 cache line size */
 #define L1_CACHE_SHIFT	(CONFIG_X86_L1_CACHE_SHIFT)
@@ -17,4 +17,4 @@
 #endif
 #endif
 
-#endif /* ASM_X86__CACHE_H */
+#endif /* _ASM_X86_CACHE_H */
diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index 68840ef1b35..2f8466540fb 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CACHEFLUSH_H
-#define ASM_X86__CACHEFLUSH_H
+#ifndef _ASM_X86_CACHEFLUSH_H
+#define _ASM_X86_CACHEFLUSH_H
 
 /* Keep includes the same across arches.  */
 #include <linux/mm.h>
@@ -115,4 +115,4 @@ static inline int rodata_test(void)
 }
 #endif
 
-#endif /* ASM_X86__CACHEFLUSH_H */
+#endif /* _ASM_X86_CACHEFLUSH_H */
diff --git a/arch/x86/include/asm/calgary.h b/arch/x86/include/asm/calgary.h
index 933fd272f82..b03bedb62aa 100644
--- a/arch/x86/include/asm/calgary.h
+++ b/arch/x86/include/asm/calgary.h
@@ -21,8 +21,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-#ifndef ASM_X86__CALGARY_H
-#define ASM_X86__CALGARY_H
+#ifndef _ASM_X86_CALGARY_H
+#define _ASM_X86_CALGARY_H
 
 #include <linux/spinlock.h>
 #include <linux/device.h>
@@ -69,4 +69,4 @@ static inline int calgary_iommu_init(void) { return 1; }
 static inline void detect_calgary(void) { return; }
 #endif
 
-#endif /* ASM_X86__CALGARY_H */
+#endif /* _ASM_X86_CALGARY_H */
diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h
index d041e8cda22..7c5ef8b14d9 100644
--- a/arch/x86/include/asm/checksum_32.h
+++ b/arch/x86/include/asm/checksum_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CHECKSUM_32_H
-#define ASM_X86__CHECKSUM_32_H
+#ifndef _ASM_X86_CHECKSUM_32_H
+#define _ASM_X86_CHECKSUM_32_H
 
 #include <linux/in6.h>
 
@@ -186,4 +186,4 @@ static inline __wsum csum_and_copy_to_user(const void *src,
 	return (__force __wsum)-1; /* invalid checksum */
 }
 
-#endif /* ASM_X86__CHECKSUM_32_H */
+#endif /* _ASM_X86_CHECKSUM_32_H */
diff --git a/arch/x86/include/asm/checksum_64.h b/arch/x86/include/asm/checksum_64.h
index 110f403beb8..9bfdc41629e 100644
--- a/arch/x86/include/asm/checksum_64.h
+++ b/arch/x86/include/asm/checksum_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CHECKSUM_64_H
-#define ASM_X86__CHECKSUM_64_H
+#ifndef _ASM_X86_CHECKSUM_64_H
+#define _ASM_X86_CHECKSUM_64_H
 
 /*
  * Checksums for x86-64
@@ -188,4 +188,4 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b)
 	return a;
 }
 
-#endif /* ASM_X86__CHECKSUM_64_H */
+#endif /* _ASM_X86_CHECKSUM_64_H */
diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h
index 0622e45cdf7..82ceb788a98 100644
--- a/arch/x86/include/asm/cmpxchg_32.h
+++ b/arch/x86/include/asm/cmpxchg_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CMPXCHG_32_H
-#define ASM_X86__CMPXCHG_32_H
+#ifndef _ASM_X86_CMPXCHG_32_H
+#define _ASM_X86_CMPXCHG_32_H
 
 #include <linux/bitops.h> /* for LOCK_PREFIX */
 
@@ -341,4 +341,4 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64);
 
 #endif
 
-#endif /* ASM_X86__CMPXCHG_32_H */
+#endif /* _ASM_X86_CMPXCHG_32_H */
diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h
index 63c1a5e61b9..52de72e0de8 100644
--- a/arch/x86/include/asm/cmpxchg_64.h
+++ b/arch/x86/include/asm/cmpxchg_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CMPXCHG_64_H
-#define ASM_X86__CMPXCHG_64_H
+#ifndef _ASM_X86_CMPXCHG_64_H
+#define _ASM_X86_CMPXCHG_64_H
 
 #include <asm/alternative.h> /* Provides LOCK_PREFIX */
 
@@ -182,4 +182,4 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
 	cmpxchg_local((ptr), (o), (n));					\
 })
 
-#endif /* ASM_X86__CMPXCHG_64_H */
+#endif /* _ASM_X86_CMPXCHG_64_H */
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 6732b150949..9a9c7bdc923 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__COMPAT_H
-#define ASM_X86__COMPAT_H
+#ifndef _ASM_X86_COMPAT_H
+#define _ASM_X86_COMPAT_H
 
 /*
  * Architecture specific compatibility types
@@ -215,4 +215,4 @@ static inline int is_compat_task(void)
 	return current_thread_info()->status & TS_COMPAT;
 }
 
-#endif /* ASM_X86__COMPAT_H */
+#endif /* _ASM_X86_COMPAT_H */
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 83a115083f0..bae482df603 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CPU_H
-#define ASM_X86__CPU_H
+#ifndef _ASM_X86_CPU_H
+#define _ASM_X86_CPU_H
 
 #include <linux/device.h>
 #include <linux/cpu.h>
@@ -17,4 +17,4 @@ extern void arch_unregister_cpu(int);
 #endif
 
 DECLARE_PER_CPU(int, cpu_state);
-#endif /* ASM_X86__CPU_H */
+#endif /* _ASM_X86_CPU_H */
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index adfeae6586e..f73e95d75b4 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -1,8 +1,8 @@
 /*
  * Defines x86 CPU feature bits
  */
-#ifndef ASM_X86__CPUFEATURE_H
-#define ASM_X86__CPUFEATURE_H
+#ifndef _ASM_X86_CPUFEATURE_H
+#define _ASM_X86_CPUFEATURE_H
 
 #include <asm/required-features.h>
 
@@ -268,4 +268,4 @@ extern const char * const x86_power_flags[32];
 
 #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */
 
-#endif /* ASM_X86__CPUFEATURE_H */
+#endif /* _ASM_X86_CPUFEATURE_H */
diff --git a/arch/x86/include/asm/current.h b/arch/x86/include/asm/current.h
index a863ead856f..0930b4f8d67 100644
--- a/arch/x86/include/asm/current.h
+++ b/arch/x86/include/asm/current.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__CURRENT_H
-#define ASM_X86__CURRENT_H
+#ifndef _ASM_X86_CURRENT_H
+#define _ASM_X86_CURRENT_H
 
 #ifdef CONFIG_X86_32
 #include <linux/compiler.h>
@@ -36,4 +36,4 @@ static __always_inline struct task_struct *get_current(void)
 
 #define current get_current()
 
-#endif /* ASM_X86__CURRENT_H */
+#endif /* _ASM_X86_CURRENT_H */
diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index ecb6907c3ea..3ea6f37be9e 100644
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DEBUGREG_H
-#define ASM_X86__DEBUGREG_H
+#ifndef _ASM_X86_DEBUGREG_H
+#define _ASM_X86_DEBUGREG_H
 
 
 /* Indicate the register numbers for a number of the specific
@@ -67,4 +67,4 @@
 #define DR_LOCAL_SLOWDOWN (0x100)   /* Local slow the pipeline */
 #define DR_GLOBAL_SLOWDOWN (0x200)  /* Global slow the pipeline */
 
-#endif /* ASM_X86__DEBUGREG_H */
+#endif /* _ASM_X86_DEBUGREG_H */
diff --git a/arch/x86/include/asm/delay.h b/arch/x86/include/asm/delay.h
index 8a0da95b4fc..409a649204a 100644
--- a/arch/x86/include/asm/delay.h
+++ b/arch/x86/include/asm/delay.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DELAY_H
-#define ASM_X86__DELAY_H
+#ifndef _ASM_X86_DELAY_H
+#define _ASM_X86_DELAY_H
 
 /*
  * Copyright (C) 1993 Linus Torvalds
@@ -28,4 +28,4 @@ extern void __delay(unsigned long loops);
 
 void use_tsc_delay(void);
 
-#endif /* ASM_X86__DELAY_H */
+#endif /* _ASM_X86_DELAY_H */
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h
index f06adac7938..e6b82b17b07 100644
--- a/arch/x86/include/asm/desc.h
+++ b/arch/x86/include/asm/desc.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DESC_H
-#define ASM_X86__DESC_H
+#ifndef _ASM_X86_DESC_H
+#define _ASM_X86_DESC_H
 
 #ifndef __ASSEMBLY__
 #include <asm/desc_defs.h>
@@ -406,4 +406,4 @@ static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist)
 
 #endif /* __ASSEMBLY__ */
 
-#endif /* ASM_X86__DESC_H */
+#endif /* _ASM_X86_DESC_H */
diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h
index b881db664b4..a6adefa28b9 100644
--- a/arch/x86/include/asm/desc_defs.h
+++ b/arch/x86/include/asm/desc_defs.h
@@ -1,6 +1,6 @@
 /* Written 2000 by Andi Kleen */
-#ifndef ASM_X86__DESC_DEFS_H
-#define ASM_X86__DESC_DEFS_H
+#ifndef _ASM_X86_DESC_DEFS_H
+#define _ASM_X86_DESC_DEFS_H
 
 /*
  * Segment descriptor structure definitions, usable from both x86_64 and i386
@@ -92,4 +92,4 @@ struct desc_ptr {
 
 #endif /* !__ASSEMBLY__ */
 
-#endif /* ASM_X86__DESC_DEFS_H */
+#endif /* _ASM_X86_DESC_DEFS_H */
diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h
index 1bece04c7d9..3c034f48fdb 100644
--- a/arch/x86/include/asm/device.h
+++ b/arch/x86/include/asm/device.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DEVICE_H
-#define ASM_X86__DEVICE_H
+#ifndef _ASM_X86_DEVICE_H
+#define _ASM_X86_DEVICE_H
 
 struct dev_archdata {
 #ifdef CONFIG_ACPI
@@ -13,4 +13,4 @@ struct dma_mapping_ops *dma_ops;
 #endif
 };
 
-#endif /* ASM_X86__DEVICE_H */
+#endif /* _ASM_X86_DEVICE_H */
diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h
index f9530f23f1d..9a2d644c08e 100644
--- a/arch/x86/include/asm/div64.h
+++ b/arch/x86/include/asm/div64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DIV64_H
-#define ASM_X86__DIV64_H
+#ifndef _ASM_X86_DIV64_H
+#define _ASM_X86_DIV64_H
 
 #ifdef CONFIG_X86_32
 
@@ -57,4 +57,4 @@ static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
 # include <asm-generic/div64.h>
 #endif /* CONFIG_X86_32 */
 
-#endif /* ASM_X86__DIV64_H */
+#endif /* _ASM_X86_DIV64_H */
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 219c33d6361..4a5397bfce2 100644
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DMA_MAPPING_H
-#define ASM_X86__DMA_MAPPING_H
+#ifndef _ASM_X86_DMA_MAPPING_H
+#define _ASM_X86_DMA_MAPPING_H
 
 /*
  * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
@@ -65,7 +65,7 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
 		return dma_ops;
 	else
 		return dev->archdata.dma_ops;
-#endif /* ASM_X86__DMA_MAPPING_H */
+#endif /* _ASM_X86_DMA_MAPPING_H */
 }
 
 /* Make sure we keep the same behaviour */
diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h
index c9f7a4eec55..ca1098a7e58 100644
--- a/arch/x86/include/asm/dma.h
+++ b/arch/x86/include/asm/dma.h
@@ -5,8 +5,8 @@
  * and John Boyd, Nov. 1992.
  */
 
-#ifndef ASM_X86__DMA_H
-#define ASM_X86__DMA_H
+#ifndef _ASM_X86_DMA_H
+#define _ASM_X86_DMA_H
 
 #include <linux/spinlock.h>	/* And spinlocks */
 #include <asm/io.h>		/* need byte IO */
@@ -315,4 +315,4 @@ extern int isa_dma_bridge_buggy;
 #define isa_dma_bridge_buggy	(0)
 #endif
 
-#endif /* ASM_X86__DMA_H */
+#endif /* _ASM_X86_DMA_H */
diff --git a/arch/x86/include/asm/dmi.h b/arch/x86/include/asm/dmi.h
index 1cff6fe81fa..bc68212c6bc 100644
--- a/arch/x86/include/asm/dmi.h
+++ b/arch/x86/include/asm/dmi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DMI_H
-#define ASM_X86__DMI_H
+#ifndef _ASM_X86_DMI_H
+#define _ASM_X86_DMI_H
 
 #include <asm/io.h>
 
@@ -23,4 +23,4 @@ static inline void *dmi_alloc(unsigned len)
 #define dmi_ioremap early_ioremap
 #define dmi_iounmap early_iounmap
 
-#endif /* ASM_X86__DMI_H */
+#endif /* _ASM_X86_DMI_H */
diff --git a/arch/x86/include/asm/ds.h b/arch/x86/include/asm/ds.h
index c3c953a45b2..72c5a190bf4 100644
--- a/arch/x86/include/asm/ds.h
+++ b/arch/x86/include/asm/ds.h
@@ -20,8 +20,8 @@
  * Markus Metzger <markus.t.metzger@intel.com>, 2007-2008
  */
 
-#ifndef ASM_X86__DS_H
-#define ASM_X86__DS_H
+#ifndef _ASM_X86_DS_H
+#define _ASM_X86_DS_H
 
 #ifdef CONFIG_X86_DS
 
@@ -235,4 +235,4 @@ extern void ds_free(struct ds_context *context);
 #define ds_init_intel(config) do {} while (0)
 
 #endif /* CONFIG_X86_DS */
-#endif /* ASM_X86__DS_H */
+#endif /* _ASM_X86_DS_H */
diff --git a/arch/x86/include/asm/dwarf2.h b/arch/x86/include/asm/dwarf2.h
index 21d1bc32ad7..804b6e6be92 100644
--- a/arch/x86/include/asm/dwarf2.h
+++ b/arch/x86/include/asm/dwarf2.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__DWARF2_H
-#define ASM_X86__DWARF2_H
+#ifndef _ASM_X86_DWARF2_H
+#define _ASM_X86_DWARF2_H
 
 #ifndef __ASSEMBLY__
 #warning "asm/dwarf2.h should be only included in pure assembly files"
@@ -58,4 +58,4 @@
 
 #endif
 
-#endif /* ASM_X86__DWARF2_H */
+#endif /* _ASM_X86_DWARF2_H */
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 5abbdec06bd..3d8ceddbd40 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__E820_H
-#define ASM_X86__E820_H
+#ifndef _ASM_X86_E820_H
+#define _ASM_X86_E820_H
 #define E820MAP	0x2d0		/* our map */
 #define E820MAX	128		/* number of entries in E820MAP */
 
@@ -143,4 +143,4 @@ extern char *memory_setup(void);
 #define HIGH_MEMORY	(1024*1024)
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__E820_H */
+#endif /* _ASM_X86_E820_H */
diff --git a/arch/x86/include/asm/edac.h b/arch/x86/include/asm/edac.h
index 9493c5b27bb..e9b57ecc70c 100644
--- a/arch/x86/include/asm/edac.h
+++ b/arch/x86/include/asm/edac.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__EDAC_H
-#define ASM_X86__EDAC_H
+#ifndef _ASM_X86_EDAC_H
+#define _ASM_X86_EDAC_H
 
 /* ECC atomic, DMA, SMP and interrupt safe scrub function */
 
@@ -15,4 +15,4 @@ static inline void atomic_scrub(void *va, u32 size)
 		asm volatile("lock; addl $0, %0"::"m" (*virt_addr));
 }
 
-#endif /* ASM_X86__EDAC_H */
+#endif /* _ASM_X86_EDAC_H */
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 313438e6334..a2e545c91c3 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__EFI_H
-#define ASM_X86__EFI_H
+#ifndef _ASM_X86_EFI_H
+#define _ASM_X86_EFI_H
 
 #ifdef CONFIG_X86_32
 
@@ -107,4 +107,4 @@ extern void efi_call_phys_epilog(void);
 #define efi_call6(_f, _a1, _a2, _a3, _a4, _a5, _a6)	(-ENOSYS)
 #endif /* CONFIG_EFI */
 
-#endif /* ASM_X86__EFI_H */
+#endif /* _ASM_X86_EFI_H */
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 26bc15f01e7..40ca1bea791 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ELF_H
-#define ASM_X86__ELF_H
+#ifndef _ASM_X86_ELF_H
+#define _ASM_X86_ELF_H
 
 /*
  * ELF register definitions..
@@ -333,4 +333,4 @@ extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
 extern unsigned long arch_randomize_brk(struct mm_struct *mm);
 #define arch_randomize_brk arch_randomize_brk
 
-#endif /* ASM_X86__ELF_H */
+#endif /* _ASM_X86_ELF_H */
diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h
index 190d0d8b71e..94826cf8745 100644
--- a/arch/x86/include/asm/emergency-restart.h
+++ b/arch/x86/include/asm/emergency-restart.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__EMERGENCY_RESTART_H
-#define ASM_X86__EMERGENCY_RESTART_H
+#ifndef _ASM_X86_EMERGENCY_RESTART_H
+#define _ASM_X86_EMERGENCY_RESTART_H
 
 enum reboot_type {
 	BOOT_TRIPLE = 't',
@@ -15,4 +15,4 @@ extern enum reboot_type reboot_type;
 
 extern void machine_emergency_restart(void);
 
-#endif /* ASM_X86__EMERGENCY_RESTART_H */
+#endif /* _ASM_X86_EMERGENCY_RESTART_H */
diff --git a/arch/x86/include/asm/fb.h b/arch/x86/include/asm/fb.h
index aca38dbd9a6..53018464aea 100644
--- a/arch/x86/include/asm/fb.h
+++ b/arch/x86/include/asm/fb.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__FB_H
-#define ASM_X86__FB_H
+#ifndef _ASM_X86_FB_H
+#define _ASM_X86_FB_H
 
 #include <linux/fb.h>
 #include <linux/fs.h>
@@ -18,4 +18,4 @@ extern int fb_is_primary_device(struct fb_info *info);
 static inline int fb_is_primary_device(struct fb_info *info) { return 0; }
 #endif
 
-#endif /* ASM_X86__FB_H */
+#endif /* _ASM_X86_FB_H */
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 78e33a1bc59..8668a94f850 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__FIXMAP_H
-#define ASM_X86__FIXMAP_H
+#ifndef _ASM_X86_FIXMAP_H
+#define _ASM_X86_FIXMAP_H
 
 #ifdef CONFIG_X86_32
 # include "fixmap_32.h"
@@ -65,4 +65,4 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr)
 	BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
 	return __virt_to_fix(vaddr);
 }
-#endif /* ASM_X86__FIXMAP_H */
+#endif /* _ASM_X86_FIXMAP_H */
diff --git a/arch/x86/include/asm/fixmap_32.h b/arch/x86/include/asm/fixmap_32.h
index 8844002da0e..09f29ab5c13 100644
--- a/arch/x86/include/asm/fixmap_32.h
+++ b/arch/x86/include/asm/fixmap_32.h
@@ -10,8 +10,8 @@
  * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
  */
 
-#ifndef ASM_X86__FIXMAP_32_H
-#define ASM_X86__FIXMAP_32_H
+#ifndef _ASM_X86_FIXMAP_32_H
+#define _ASM_X86_FIXMAP_32_H
 
 
 /* used by vmalloc.c, vsyscall.lds.S.
@@ -120,4 +120,4 @@ extern void reserve_top_address(unsigned long reserve);
 #define FIXADDR_BOOT_START	(FIXADDR_TOP - __FIXADDR_BOOT_SIZE)
 
 #endif /* !__ASSEMBLY__ */
-#endif /* ASM_X86__FIXMAP_32_H */
+#endif /* _ASM_X86_FIXMAP_32_H */
diff --git a/arch/x86/include/asm/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h
index dab4751d130..00a30ab9b1a 100644
--- a/arch/x86/include/asm/fixmap_64.h
+++ b/arch/x86/include/asm/fixmap_64.h
@@ -8,8 +8,8 @@
  * Copyright (C) 1998 Ingo Molnar
  */
 
-#ifndef ASM_X86__FIXMAP_64_H
-#define ASM_X86__FIXMAP_64_H
+#ifndef _ASM_X86_FIXMAP_64_H
+#define _ASM_X86_FIXMAP_64_H
 
 #include <linux/kernel.h>
 #include <asm/acpi.h>
@@ -80,4 +80,4 @@ enum fixed_addresses {
 #define FIXADDR_USER_START	((unsigned long)VSYSCALL32_VSYSCALL)
 #define FIXADDR_USER_END	(FIXADDR_USER_START + PAGE_SIZE)
 
-#endif /* ASM_X86__FIXMAP_64_H */
+#endif /* _ASM_X86_FIXMAP_64_H */
diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h
index 7d83a3a83e3..dbe82a5c5ea 100644
--- a/arch/x86/include/asm/floppy.h
+++ b/arch/x86/include/asm/floppy.h
@@ -7,8 +7,8 @@
  *
  * Copyright (C) 1995
  */
-#ifndef ASM_X86__FLOPPY_H
-#define ASM_X86__FLOPPY_H
+#ifndef _ASM_X86_FLOPPY_H
+#define _ASM_X86_FLOPPY_H
 
 #include <linux/vmalloc.h>
 
@@ -278,4 +278,4 @@ static int FDC2 = -1;
 
 #define EXTRA_FLOPPY_PARAMS
 
-#endif /* ASM_X86__FLOPPY_H */
+#endif /* _ASM_X86_FLOPPY_H */
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index 1bb6f9bbe1a..47f7e65e6c1 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__FTRACE_H
-#define ASM_X86__FTRACE_H
+#ifndef _ASM_X86_FTRACE_H
+#define _ASM_X86_FTRACE_H
 
 #ifdef CONFIG_FTRACE
 #define MCOUNT_ADDR		((long)(mcount))
@@ -21,4 +21,4 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
 
 #endif /* CONFIG_FTRACE */
 
-#endif /* ASM_X86__FTRACE_H */
+#endif /* _ASM_X86_FTRACE_H */
diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
index 06b924ef6fa..1f11ce44e95 100644
--- a/arch/x86/include/asm/futex.h
+++ b/arch/x86/include/asm/futex.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__FUTEX_H
-#define ASM_X86__FUTEX_H
+#ifndef _ASM_X86_FUTEX_H
+#define _ASM_X86_FUTEX_H
 
 #ifdef __KERNEL__
 
@@ -137,4 +137,4 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval,
 }
 
 #endif
-#endif /* ASM_X86__FUTEX_H */
+#endif /* _ASM_X86_FUTEX_H */
diff --git a/arch/x86/include/asm/gart.h b/arch/x86/include/asm/gart.h
index 605edb39ef9..74252264433 100644
--- a/arch/x86/include/asm/gart.h
+++ b/arch/x86/include/asm/gart.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__GART_H
-#define ASM_X86__GART_H
+#ifndef _ASM_X86_GART_H
+#define _ASM_X86_GART_H
 
 #include <asm/e820.h>
 
@@ -70,4 +70,4 @@ static inline int aperture_valid(u64 aper_base, u32 aper_size, u32 min_size)
 	return 1;
 }
 
-#endif /* ASM_X86__GART_H */
+#endif /* _ASM_X86_GART_H */
diff --git a/arch/x86/include/asm/genapic_32.h b/arch/x86/include/asm/genapic_32.h
index 6fe4f81bfcf..5cbd4fcc06f 100644
--- a/arch/x86/include/asm/genapic_32.h
+++ b/arch/x86/include/asm/genapic_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__GENAPIC_32_H
-#define ASM_X86__GENAPIC_32_H
+#ifndef _ASM_X86_GENAPIC_32_H
+#define _ASM_X86_GENAPIC_32_H
 
 #include <asm/mpspec.h>
 
@@ -123,4 +123,4 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
 #define uv_system_init()		do {} while (0)
 
 
-#endif /* ASM_X86__GENAPIC_32_H */
+#endif /* _ASM_X86_GENAPIC_32_H */
diff --git a/arch/x86/include/asm/genapic_64.h b/arch/x86/include/asm/genapic_64.h
index ed6a4886c08..13c4e96199e 100644
--- a/arch/x86/include/asm/genapic_64.h
+++ b/arch/x86/include/asm/genapic_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__GENAPIC_64_H
-#define ASM_X86__GENAPIC_64_H
+#ifndef _ASM_X86_GENAPIC_64_H
+#define _ASM_X86_GENAPIC_64_H
 
 /*
  * Copyright 2004 James Cleverdon, IBM.
@@ -55,4 +55,4 @@ extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
 
 extern void setup_apic_routing(void);
 
-#endif /* ASM_X86__GENAPIC_64_H */
+#endif /* _ASM_X86_GENAPIC_64_H */
diff --git a/arch/x86/include/asm/geode.h b/arch/x86/include/asm/geode.h
index 3f3444be263..ad3c2ed7548 100644
--- a/arch/x86/include/asm/geode.h
+++ b/arch/x86/include/asm/geode.h
@@ -7,8 +7,8 @@
  * as published by the Free Software Foundation.
  */
 
-#ifndef ASM_X86__GEODE_H
-#define ASM_X86__GEODE_H
+#ifndef _ASM_X86_GEODE_H
+#define _ASM_X86_GEODE_H
 
 #include <asm/processor.h>
 #include <linux/io.h>
@@ -250,4 +250,4 @@ extern int __init mfgpt_timer_setup(void);
 static inline int mfgpt_timer_setup(void) { return 0; }
 #endif
 
-#endif /* ASM_X86__GEODE_H */
+#endif /* _ASM_X86_GEODE_H */
diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h
index 497fb980d96..1c07aad9624 100644
--- a/arch/x86/include/asm/gpio.h
+++ b/arch/x86/include/asm/gpio.h
@@ -53,4 +53,4 @@ static inline int irq_to_gpio(unsigned int irq)
 
 #endif /* CONFIG_GPIOLIB */
 
-#endif /* ASM_X86__GPIO_H */
+#endif /* _ASM_X86_GPIO_H */
diff --git a/arch/x86/include/asm/hardirq_32.h b/arch/x86/include/asm/hardirq_32.h
index 700fe230d91..5ca135e72f2 100644
--- a/arch/x86/include/asm/hardirq_32.h
+++ b/arch/x86/include/asm/hardirq_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__HARDIRQ_32_H
-#define ASM_X86__HARDIRQ_32_H
+#ifndef _ASM_X86_HARDIRQ_32_H
+#define _ASM_X86_HARDIRQ_32_H
 
 #include <linux/threads.h>
 #include <linux/irq.h>
@@ -25,4 +25,4 @@ DECLARE_PER_CPU(irq_cpustat_t, irq_stat);
 void ack_bad_irq(unsigned int irq);
 #include <linux/irq_cpustat.h>
 
-#endif /* ASM_X86__HARDIRQ_32_H */
+#endif /* _ASM_X86_HARDIRQ_32_H */
diff --git a/arch/x86/include/asm/hardirq_64.h b/arch/x86/include/asm/hardirq_64.h
index f8bd2919a8c..1ba381fc51d 100644
--- a/arch/x86/include/asm/hardirq_64.h
+++ b/arch/x86/include/asm/hardirq_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__HARDIRQ_64_H
-#define ASM_X86__HARDIRQ_64_H
+#ifndef _ASM_X86_HARDIRQ_64_H
+#define _ASM_X86_HARDIRQ_64_H
 
 #include <linux/threads.h>
 #include <linux/irq.h>
@@ -20,4 +20,4 @@
 
 extern void ack_bad_irq(unsigned int irq);
 
-#endif /* ASM_X86__HARDIRQ_64_H */
+#endif /* _ASM_X86_HARDIRQ_64_H */
diff --git a/arch/x86/include/asm/highmem.h b/arch/x86/include/asm/highmem.h
index bc3f6a28031..a3b3b7c3027 100644
--- a/arch/x86/include/asm/highmem.h
+++ b/arch/x86/include/asm/highmem.h
@@ -15,8 +15,8 @@
  * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com>
  */
 
-#ifndef ASM_X86__HIGHMEM_H
-#define ASM_X86__HIGHMEM_H
+#ifndef _ASM_X86_HIGHMEM_H
+#define _ASM_X86_HIGHMEM_H
 
 #ifdef __KERNEL__
 
@@ -79,4 +79,4 @@ extern void add_highpages_with_active_regions(int nid, unsigned long start_pfn,
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__HIGHMEM_H */
+#endif /* _ASM_X86_HIGHMEM_H */
diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
index 58b273f6ef0..1c22cb05ad6 100644
--- a/arch/x86/include/asm/hpet.h
+++ b/arch/x86/include/asm/hpet.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__HPET_H
-#define ASM_X86__HPET_H
+#ifndef _ASM_X86_HPET_H
+#define _ASM_X86_HPET_H
 
 #include <linux/msi.h>
 
@@ -111,4 +111,4 @@ static inline int is_hpet_enabled(void) { return 0; }
 #define hpet_readl(a) 0
 
 #endif
-#endif /* ASM_X86__HPET_H */
+#endif /* _ASM_X86_HPET_H */
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index 0b7ec5dc088..439a9acc132 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__HUGETLB_H
-#define ASM_X86__HUGETLB_H
+#ifndef _ASM_X86_HUGETLB_H
+#define _ASM_X86_HUGETLB_H
 
 #include <asm/page.h>
 
@@ -90,4 +90,4 @@ static inline void arch_release_hugepage(struct page *page)
 {
 }
 
-#endif /* ASM_X86__HUGETLB_H */
+#endif /* _ASM_X86_HUGETLB_H */
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 749d042f055..b97aecb0b61 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__HW_IRQ_H
-#define ASM_X86__HW_IRQ_H
+#ifndef _ASM_X86_HW_IRQ_H
+#define _ASM_X86_HW_IRQ_H
 
 /*
  * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
@@ -128,4 +128,4 @@ static inline void __setup_vector_irq(int cpu) {}
 
 #endif /* !ASSEMBLY_ */
 
-#endif /* ASM_X86__HW_IRQ_H */
+#endif /* _ASM_X86_HW_IRQ_H */
diff --git a/arch/x86/include/asm/hypertransport.h b/arch/x86/include/asm/hypertransport.h
index cc011a3bc1c..334b1a885d9 100644
--- a/arch/x86/include/asm/hypertransport.h
+++ b/arch/x86/include/asm/hypertransport.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__HYPERTRANSPORT_H
-#define ASM_X86__HYPERTRANSPORT_H
+#ifndef _ASM_X86_HYPERTRANSPORT_H
+#define _ASM_X86_HYPERTRANSPORT_H
 
 /*
  * Constants for x86 Hypertransport Interrupts.
@@ -42,4 +42,4 @@
 #define HT_IRQ_HIGH_DEST_ID(v)						\
 	((((v) >> 8) << HT_IRQ_HIGH_DEST_ID_SHIFT) & HT_IRQ_HIGH_DEST_ID_MASK)
 
-#endif /* ASM_X86__HYPERTRANSPORT_H */
+#endif /* _ASM_X86_HYPERTRANSPORT_H */
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h
index 9ba862a4eac..48f0004db8c 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -7,8 +7,8 @@
  * x86-64 work by Andi Kleen 2002
  */
 
-#ifndef ASM_X86__I387_H
-#define ASM_X86__I387_H
+#ifndef _ASM_X86_I387_H
+#define _ASM_X86_I387_H
 
 #include <linux/sched.h>
 #include <linux/kernel_stat.h>
@@ -397,4 +397,4 @@ static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)
 	}
 }
 
-#endif /* ASM_X86__I387_H */
+#endif /* _ASM_X86_I387_H */
diff --git a/arch/x86/include/asm/i8253.h b/arch/x86/include/asm/i8253.h
index 15a5b530044..1edbf89680f 100644
--- a/arch/x86/include/asm/i8253.h
+++ b/arch/x86/include/asm/i8253.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__I8253_H
-#define ASM_X86__I8253_H
+#ifndef _ASM_X86_I8253_H
+#define _ASM_X86_I8253_H
 
 /* i8253A PIT registers */
 #define PIT_MODE		0x43
@@ -15,4 +15,4 @@ extern void setup_pit_timer(void);
 #define inb_pit		inb_p
 #define outb_pit	outb_p
 
-#endif /* ASM_X86__I8253_H */
+#endif /* _ASM_X86_I8253_H */
diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
index 23c1b3baaec..58d7091eeb1 100644
--- a/arch/x86/include/asm/i8259.h
+++ b/arch/x86/include/asm/i8259.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__I8259_H
-#define ASM_X86__I8259_H
+#ifndef _ASM_X86_I8259_H
+#define _ASM_X86_I8259_H
 
 #include <linux/delay.h>
 
@@ -60,4 +60,4 @@ extern struct irq_chip i8259A_chip;
 extern void mask_8259A(void);
 extern void unmask_8259A(void);
 
-#endif /* ASM_X86__I8259_H */
+#endif /* _ASM_X86_I8259_H */
diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
index f932f7ad51d..97989c0e534 100644
--- a/arch/x86/include/asm/ia32.h
+++ b/arch/x86/include/asm/ia32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IA32_H
-#define ASM_X86__IA32_H
+#ifndef _ASM_X86_IA32_H
+#define _ASM_X86_IA32_H
 
 
 #ifdef CONFIG_IA32_EMULATION
@@ -167,4 +167,4 @@ extern void ia32_pick_mmap_layout(struct mm_struct *mm);
 
 #endif /* !CONFIG_IA32_SUPPORT */
 
-#endif /* ASM_X86__IA32_H */
+#endif /* _ASM_X86_IA32_H */
diff --git a/arch/x86/include/asm/ia32_unistd.h b/arch/x86/include/asm/ia32_unistd.h
index dbd887d8a5a..976f6ecd2ce 100644
--- a/arch/x86/include/asm/ia32_unistd.h
+++ b/arch/x86/include/asm/ia32_unistd.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IA32_UNISTD_H
-#define ASM_X86__IA32_UNISTD_H
+#ifndef _ASM_X86_IA32_UNISTD_H
+#define _ASM_X86_IA32_UNISTD_H
 
 /*
  * This file contains the system call numbers of the ia32 port,
@@ -15,4 +15,4 @@
 #define __NR_ia32_sigreturn	119
 #define __NR_ia32_rt_sigreturn	173
 
-#endif /* ASM_X86__IA32_UNISTD_H */
+#endif /* _ASM_X86_IA32_UNISTD_H */
diff --git a/arch/x86/include/asm/idle.h b/arch/x86/include/asm/idle.h
index baa3f783d27..8ed93761a74 100644
--- a/arch/x86/include/asm/idle.h
+++ b/arch/x86/include/asm/idle.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IDLE_H
-#define ASM_X86__IDLE_H
+#ifndef _ASM_X86_IDLE_H
+#define _ASM_X86_IDLE_H
 
 #define IDLE_START 1
 #define IDLE_END 2
@@ -12,4 +12,4 @@ void exit_idle(void);
 
 void c1e_remove_cpu(int cpu);
 
-#endif /* ASM_X86__IDLE_H */
+#endif /* _ASM_X86_IDLE_H */
diff --git a/arch/x86/include/asm/intel_arch_perfmon.h b/arch/x86/include/asm/intel_arch_perfmon.h
index 07c03c6c9a1..fa0fd068bc2 100644
--- a/arch/x86/include/asm/intel_arch_perfmon.h
+++ b/arch/x86/include/asm/intel_arch_perfmon.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__INTEL_ARCH_PERFMON_H
-#define ASM_X86__INTEL_ARCH_PERFMON_H
+#ifndef _ASM_X86_INTEL_ARCH_PERFMON_H
+#define _ASM_X86_INTEL_ARCH_PERFMON_H
 
 #define MSR_ARCH_PERFMON_PERFCTR0		0xc1
 #define MSR_ARCH_PERFMON_PERFCTR1		0xc2
@@ -28,4 +28,4 @@ union cpuid10_eax {
 	unsigned int full;
 };
 
-#endif /* ASM_X86__INTEL_ARCH_PERFMON_H */
+#endif /* _ASM_X86_INTEL_ARCH_PERFMON_H */
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index a233f835e0b..5618a103f39 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IO_H
-#define ASM_X86__IO_H
+#ifndef _ASM_X86_IO_H
+#define _ASM_X86_IO_H
 
 #define ARCH_HAS_IOREMAP_WC
 
@@ -88,4 +88,4 @@ extern void early_iounmap(void *addr, unsigned long size);
 extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
 
 
-#endif /* ASM_X86__IO_H */
+#endif /* _ASM_X86_IO_H */
diff --git a/arch/x86/include/asm/io_32.h b/arch/x86/include/asm/io_32.h
index 4f7d878bda1..d8e242e1b39 100644
--- a/arch/x86/include/asm/io_32.h
+++ b/arch/x86/include/asm/io_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IO_32_H
-#define ASM_X86__IO_32_H
+#ifndef _ASM_X86_IO_32_H
+#define _ASM_X86_IO_32_H
 
 #include <linux/string.h>
 #include <linux/compiler.h>
@@ -281,4 +281,4 @@ BUILDIO(b, b, char)
 BUILDIO(w, w, short)
 BUILDIO(l, , int)
 
-#endif /* ASM_X86__IO_32_H */
+#endif /* _ASM_X86_IO_32_H */
diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h
index ee6e086b7df..fea325a1122 100644
--- a/arch/x86/include/asm/io_64.h
+++ b/arch/x86/include/asm/io_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IO_64_H
-#define ASM_X86__IO_64_H
+#ifndef _ASM_X86_IO_64_H
+#define _ASM_X86_IO_64_H
 
 
 /*
@@ -241,4 +241,4 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__IO_64_H */
+#endif /* _ASM_X86_IO_64_H */
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index d35cbd7aa58..6afd9933a7d 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IO_APIC_H
-#define ASM_X86__IO_APIC_H
+#ifndef _ASM_X86_IO_APIC_H
+#define _ASM_X86_IO_APIC_H
 
 #include <linux/types.h>
 #include <asm/mpspec.h>
@@ -201,4 +201,4 @@ static inline int probe_nr_irqs(void)
 }
 #endif
 
-#endif /* ASM_X86__IO_APIC_H */
+#endif /* _ASM_X86_IO_APIC_H */
diff --git a/arch/x86/include/asm/ioctls.h b/arch/x86/include/asm/ioctls.h
index 06752a64904..0d5b23b7b06 100644
--- a/arch/x86/include/asm/ioctls.h
+++ b/arch/x86/include/asm/ioctls.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IOCTLS_H
-#define ASM_X86__IOCTLS_H
+#ifndef _ASM_X86_IOCTLS_H
+#define _ASM_X86_IOCTLS_H
 
 #include <asm/ioctl.h>
 
@@ -91,4 +91,4 @@
 
 #define TIOCSER_TEMT    0x01	/* Transmitter physically empty */
 
-#endif /* ASM_X86__IOCTLS_H */
+#endif /* _ASM_X86_IOCTLS_H */
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index 961e746da97..0c770f8aa00 100644
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IOMMU_H
-#define ASM_X86__IOMMU_H
+#ifndef _ASM_X86_IOMMU_H
+#define _ASM_X86_IOMMU_H
 
 extern void pci_iommu_shutdown(void);
 extern void no_iommu_init(void);
@@ -43,4 +43,4 @@ static inline void gart_iommu_hole_init(void)
 }
 #endif
 
-#endif /* ASM_X86__IOMMU_H */
+#endif /* _ASM_X86_IOMMU_H */
diff --git a/arch/x86/include/asm/ipcbuf.h b/arch/x86/include/asm/ipcbuf.h
index 910304fbdc8..ee678fd5159 100644
--- a/arch/x86/include/asm/ipcbuf.h
+++ b/arch/x86/include/asm/ipcbuf.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IPCBUF_H
-#define ASM_X86__IPCBUF_H
+#ifndef _ASM_X86_IPCBUF_H
+#define _ASM_X86_IPCBUF_H
 
 /*
  * The ipc64_perm structure for x86 architecture.
@@ -25,4 +25,4 @@ struct ipc64_perm {
 	unsigned long		__unused2;
 };
 
-#endif /* ASM_X86__IPCBUF_H */
+#endif /* _ASM_X86_IPCBUF_H */
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
index 30a692cfaff..f89dffb28aa 100644
--- a/arch/x86/include/asm/ipi.h
+++ b/arch/x86/include/asm/ipi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IPI_H
-#define ASM_X86__IPI_H
+#ifndef _ASM_X86_IPI_H
+#define _ASM_X86_IPI_H
 
 /*
  * Copyright 2004 James Cleverdon, IBM.
@@ -135,4 +135,4 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
 	local_irq_restore(flags);
 }
 
-#endif /* ASM_X86__IPI_H */
+#endif /* _ASM_X86_IPI_H */
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index 1e5f2909c1d..bae0eda9548 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IRQ_H
-#define ASM_X86__IRQ_H
+#ifndef _ASM_X86_IRQ_H
+#define _ASM_X86_IRQ_H
 /*
  *	(C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
  *
@@ -47,4 +47,4 @@ extern void native_init_IRQ(void);
 /* Interrupt vector management */
 extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
 
-#endif /* ASM_X86__IRQ_H */
+#endif /* _ASM_X86_IRQ_H */
diff --git a/arch/x86/include/asm/irq_regs_32.h b/arch/x86/include/asm/irq_regs_32.h
index 316a3b25887..af2f02d27fc 100644
--- a/arch/x86/include/asm/irq_regs_32.h
+++ b/arch/x86/include/asm/irq_regs_32.h
@@ -4,8 +4,8 @@
  *
  * Jeremy Fitzhardinge <jeremy@goop.org>
  */
-#ifndef ASM_X86__IRQ_REGS_32_H
-#define ASM_X86__IRQ_REGS_32_H
+#ifndef _ASM_X86_IRQ_REGS_32_H
+#define _ASM_X86_IRQ_REGS_32_H
 
 #include <asm/percpu.h>
 
@@ -26,4 +26,4 @@ static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
 	return old_regs;
 }
 
-#endif /* ASM_X86__IRQ_REGS_32_H */
+#endif /* _ASM_X86_IRQ_REGS_32_H */
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index a8d065d85f5..d843ed0e9b2 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IRQ_VECTORS_H
-#define ASM_X86__IRQ_VECTORS_H
+#ifndef _ASM_X86_IRQ_VECTORS_H
+#define _ASM_X86_IRQ_VECTORS_H
 
 #include <linux/threads.h>
 
@@ -161,4 +161,4 @@
 #define VIC_CPU_BOOT_ERRATA_CPI		(VIC_CPI_LEVEL0 + 8)
 
 
-#endif /* ASM_X86__IRQ_VECTORS_H */
+#endif /* _ASM_X86_IRQ_VECTORS_H */
diff --git a/arch/x86/include/asm/ist.h b/arch/x86/include/asm/ist.h
index 35a2fe9bc92..7e5dff1de0e 100644
--- a/arch/x86/include/asm/ist.h
+++ b/arch/x86/include/asm/ist.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__IST_H
-#define ASM_X86__IST_H
+#ifndef _ASM_X86_IST_H
+#define _ASM_X86_IST_H
 
 /*
  * Include file for the interface to IST BIOS
@@ -31,4 +31,4 @@ struct ist_info {
 extern struct ist_info ist_info;
 
 #endif	/* __KERNEL__ */
-#endif /* ASM_X86__IST_H */
+#endif /* _ASM_X86_IST_H */
diff --git a/arch/x86/include/asm/k8.h b/arch/x86/include/asm/k8.h
index 2bbaf4370a5..54c8cc53b24 100644
--- a/arch/x86/include/asm/k8.h
+++ b/arch/x86/include/asm/k8.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__K8_H
-#define ASM_X86__K8_H
+#ifndef _ASM_X86_K8_H
+#define _ASM_X86_K8_H
 
 #include <linux/pci.h>
 
@@ -12,4 +12,4 @@ extern int cache_k8_northbridges(void);
 extern void k8_flush_garts(void);
 extern int k8_scan_nodes(unsigned long start, unsigned long end);
 
-#endif /* ASM_X86__K8_H */
+#endif /* _ASM_X86_K8_H */
diff --git a/arch/x86/include/asm/kdebug.h b/arch/x86/include/asm/kdebug.h
index fbbab66ee9d..fa7c0b97476 100644
--- a/arch/x86/include/asm/kdebug.h
+++ b/arch/x86/include/asm/kdebug.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__KDEBUG_H
-#define ASM_X86__KDEBUG_H
+#ifndef _ASM_X86_KDEBUG_H
+#define _ASM_X86_KDEBUG_H
 
 #include <linux/notifier.h>
 
@@ -34,4 +34,4 @@ extern void show_regs(struct pt_regs *regs);
 extern unsigned long oops_begin(void);
 extern void oops_end(unsigned long, struct pt_regs *, int signr);
 
-#endif /* ASM_X86__KDEBUG_H */
+#endif /* _ASM_X86_KDEBUG_H */
diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index ea09600d612..a1f22771a15 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__KEXEC_H
-#define ASM_X86__KEXEC_H
+#ifndef _ASM_X86_KEXEC_H
+#define _ASM_X86_KEXEC_H
 
 #ifdef CONFIG_X86_32
 # define PA_CONTROL_PAGE	0
@@ -172,4 +172,4 @@ relocate_kernel(unsigned long indirection_page,
 
 #endif /* __ASSEMBLY__ */
 
-#endif /* ASM_X86__KEXEC_H */
+#endif /* _ASM_X86_KEXEC_H */
diff --git a/arch/x86/include/asm/kgdb.h b/arch/x86/include/asm/kgdb.h
index d283863354d..e6c6c808489 100644
--- a/arch/x86/include/asm/kgdb.h
+++ b/arch/x86/include/asm/kgdb.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__KGDB_H
-#define ASM_X86__KGDB_H
+#ifndef _ASM_X86_KGDB_H
+#define _ASM_X86_KGDB_H
 
 /*
  * Copyright (C) 2001-2004 Amit S. Kale
@@ -76,4 +76,4 @@ static inline void arch_kgdb_breakpoint(void)
 #define BREAK_INSTR_SIZE	1
 #define CACHE_FLUSH_IS_SAFE	1
 
-#endif /* ASM_X86__KGDB_H */
+#endif /* _ASM_X86_KGDB_H */
diff --git a/arch/x86/include/asm/kmap_types.h b/arch/x86/include/asm/kmap_types.h
index 89f44493e64..5759c165a5c 100644
--- a/arch/x86/include/asm/kmap_types.h
+++ b/arch/x86/include/asm/kmap_types.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__KMAP_TYPES_H
-#define ASM_X86__KMAP_TYPES_H
+#ifndef _ASM_X86_KMAP_TYPES_H
+#define _ASM_X86_KMAP_TYPES_H
 
 #if defined(CONFIG_X86_32) && defined(CONFIG_DEBUG_HIGHMEM)
 # define D(n) __KM_FENCE_##n ,
@@ -26,4 +26,4 @@ D(13)	KM_TYPE_NR
 
 #undef D
 
-#endif /* ASM_X86__KMAP_TYPES_H */
+#endif /* _ASM_X86_KMAP_TYPES_H */
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index 8a0748d0103..4fe681de1e7 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__KPROBES_H
-#define ASM_X86__KPROBES_H
+#ifndef _ASM_X86_KPROBES_H
+#define _ASM_X86_KPROBES_H
 /*
  *  Kernel Probes (KProbes)
  *
@@ -85,4 +85,4 @@ struct kprobe_ctlblk {
 extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
 extern int kprobe_exceptions_notify(struct notifier_block *self,
 				    unsigned long val, void *data);
-#endif /* ASM_X86__KPROBES_H */
+#endif /* _ASM_X86_KPROBES_H */
diff --git a/arch/x86/include/asm/kvm.h b/arch/x86/include/asm/kvm.h
index ba0dd791fad..b95162af0bf 100644
--- a/arch/x86/include/asm/kvm.h
+++ b/arch/x86/include/asm/kvm.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__KVM_H
-#define ASM_X86__KVM_H
+#ifndef _ASM_X86_KVM_H
+#define _ASM_X86_KVM_H
 
 /*
  * KVM x86 specific structures and definitions
@@ -208,4 +208,4 @@ struct kvm_pit_channel_state {
 struct kvm_pit_state {
 	struct kvm_pit_channel_state channels[3];
 };
-#endif /* ASM_X86__KVM_H */
+#endif /* _ASM_X86_KVM_H */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 411fb8cfb24..65679d00633 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -8,8 +8,8 @@
  *
  */
 
-#ifndef ASM_X86__KVM_HOST_H
-#define ASM_X86__KVM_HOST_H
+#ifndef _ASM_X86_KVM_HOST_H
+#define _ASM_X86_KVM_HOST_H
 
 #include <linux/types.h>
 #include <linux/mm.h>
@@ -749,4 +749,4 @@ asmlinkage void kvm_handle_fault_on_reboot(void);
 int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
 int kvm_age_hva(struct kvm *kvm, unsigned long hva);
 
-#endif /* ASM_X86__KVM_HOST_H */
+#endif /* _ASM_X86_KVM_HOST_H */
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index 30054fded4f..b8a3305ae09 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__KVM_PARA_H
-#define ASM_X86__KVM_PARA_H
+#ifndef _ASM_X86_KVM_PARA_H
+#define _ASM_X86_KVM_PARA_H
 
 /* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx.  It
  * should be used to determine that a VM is running under KVM.
@@ -144,4 +144,4 @@ static inline unsigned int kvm_arch_para_features(void)
 
 #endif
 
-#endif /* ASM_X86__KVM_PARA_H */
+#endif /* _ASM_X86_KVM_PARA_H */
diff --git a/arch/x86/include/asm/kvm_x86_emulate.h b/arch/x86/include/asm/kvm_x86_emulate.h
index e2d9b030c1a..25179a29f20 100644
--- a/arch/x86/include/asm/kvm_x86_emulate.h
+++ b/arch/x86/include/asm/kvm_x86_emulate.h
@@ -8,8 +8,8 @@
  * From: xen-unstable 10676:af9809f51f81a3c43f276f00c81a52ef558afda4
  */
 
-#ifndef ASM_X86__KVM_X86_EMULATE_H
-#define ASM_X86__KVM_X86_EMULATE_H
+#ifndef _ASM_X86_KVM_X86_EMULATE_H
+#define _ASM_X86_KVM_X86_EMULATE_H
 
 struct x86_emulate_ctxt;
 
@@ -181,4 +181,4 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt,
 int x86_emulate_insn(struct x86_emulate_ctxt *ctxt,
 		     struct x86_emulate_ops *ops);
 
-#endif /* ASM_X86__KVM_X86_EMULATE_H */
+#endif /* _ASM_X86_KVM_X86_EMULATE_H */
diff --git a/arch/x86/include/asm/ldt.h b/arch/x86/include/asm/ldt.h
index a5228504d86..46727eb37bf 100644
--- a/arch/x86/include/asm/ldt.h
+++ b/arch/x86/include/asm/ldt.h
@@ -3,8 +3,8 @@
  *
  * Definitions of structures used with the modify_ldt system call.
  */
-#ifndef ASM_X86__LDT_H
-#define ASM_X86__LDT_H
+#ifndef _ASM_X86_LDT_H
+#define _ASM_X86_LDT_H
 
 /* Maximum number of LDT entries supported. */
 #define LDT_ENTRIES	8192
@@ -37,4 +37,4 @@ struct user_desc {
 #define MODIFY_LDT_CONTENTS_CODE	2
 
 #endif /* !__ASSEMBLY__ */
-#endif /* ASM_X86__LDT_H */
+#endif /* _ASM_X86_LDT_H */
diff --git a/arch/x86/include/asm/lguest.h b/arch/x86/include/asm/lguest.h
index 7505e947ed2..d28a507cef3 100644
--- a/arch/x86/include/asm/lguest.h
+++ b/arch/x86/include/asm/lguest.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__LGUEST_H
-#define ASM_X86__LGUEST_H
+#ifndef _ASM_X86_LGUEST_H
+#define _ASM_X86_LGUEST_H
 
 #define GDT_ENTRY_LGUEST_CS	10
 #define GDT_ENTRY_LGUEST_DS	11
@@ -91,4 +91,4 @@ static inline void lguest_set_ts(void)
 
 #endif /* __ASSEMBLY__ */
 
-#endif /* ASM_X86__LGUEST_H */
+#endif /* _ASM_X86_LGUEST_H */
diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h
index 8f034ba4b53..43894428c3c 100644
--- a/arch/x86/include/asm/lguest_hcall.h
+++ b/arch/x86/include/asm/lguest_hcall.h
@@ -1,6 +1,6 @@
 /* Architecture specific portion of the lguest hypercalls */
-#ifndef ASM_X86__LGUEST_HCALL_H
-#define ASM_X86__LGUEST_HCALL_H
+#ifndef _ASM_X86_LGUEST_HCALL_H
+#define _ASM_X86_LGUEST_HCALL_H
 
 #define LHCALL_FLUSH_ASYNC	0
 #define LHCALL_LGUEST_INIT	1
@@ -68,4 +68,4 @@ struct hcall_args {
 };
 
 #endif /* !__ASSEMBLY__ */
-#endif /* ASM_X86__LGUEST_HCALL_H */
+#endif /* _ASM_X86_LGUEST_HCALL_H */
diff --git a/arch/x86/include/asm/linkage.h b/arch/x86/include/asm/linkage.h
index 42d8b62ee8a..f61ee8f937e 100644
--- a/arch/x86/include/asm/linkage.h
+++ b/arch/x86/include/asm/linkage.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__LINKAGE_H
-#define ASM_X86__LINKAGE_H
+#ifndef _ASM_X86_LINKAGE_H
+#define _ASM_X86_LINKAGE_H
 
 #undef notrace
 #define notrace __attribute__((no_instrument_function))
@@ -57,5 +57,5 @@
 #define __ALIGN_STR ".align 16,0x90"
 #endif
 
-#endif /* ASM_X86__LINKAGE_H */
+#endif /* _ASM_X86_LINKAGE_H */
 
diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h
index ae91994fd6c..47b9b6f1905 100644
--- a/arch/x86/include/asm/local.h
+++ b/arch/x86/include/asm/local.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__LOCAL_H
-#define ASM_X86__LOCAL_H
+#ifndef _ASM_X86_LOCAL_H
+#define _ASM_X86_LOCAL_H
 
 #include <linux/percpu.h>
 
@@ -232,4 +232,4 @@ static inline long local_sub_return(long i, local_t *l)
 #define __cpu_local_add(i, l)	cpu_local_add((i), (l))
 #define __cpu_local_sub(i, l)	cpu_local_sub((i), (l))
 
-#endif /* ASM_X86__LOCAL_H */
+#endif /* _ASM_X86_LOCAL_H */
diff --git a/arch/x86/include/asm/mach-default/apm.h b/arch/x86/include/asm/mach-default/apm.h
index 2aa61b54fbd..fc392ec1a57 100644
--- a/arch/x86/include/asm/mach-default/apm.h
+++ b/arch/x86/include/asm/mach-default/apm.h
@@ -3,8 +3,8 @@
  *  Split out from apm.c by Osamu Tomita <tomita@cinet.co.jp>
  */
 
-#ifndef ASM_X86__MACH_DEFAULT__APM_H
-#define ASM_X86__MACH_DEFAULT__APM_H
+#ifndef _ASM_X86_MACH_DEFAULT__APM_H
+#define _ASM_X86_MACH_DEFAULT__APM_H
 
 #ifdef APM_ZERO_SEGS
 #	define APM_DO_ZERO_SEGS \
@@ -70,4 +70,4 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in,
 	return error;
 }
 
-#endif /* ASM_X86__MACH_DEFAULT__APM_H */
+#endif /* _ASM_X86_MACH_DEFAULT__APM_H */
diff --git a/arch/x86/include/asm/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h
index 3c66f2cdaec..2ad00eb6deb 100644
--- a/arch/x86/include/asm/mach-default/mach_apic.h
+++ b/arch/x86/include/asm/mach-default/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_DEFAULT__MACH_APIC_H
-#define ASM_X86__MACH_DEFAULT__MACH_APIC_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_APIC_H
+#define _ASM_X86_MACH_DEFAULT__MACH_APIC_H
 
 #ifdef CONFIG_X86_LOCAL_APIC
 
@@ -153,4 +153,4 @@ static inline void enable_apic_mode(void)
 {
 }
 #endif /* CONFIG_X86_LOCAL_APIC */
-#endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_APIC_H */
diff --git a/arch/x86/include/asm/mach-default/mach_apicdef.h b/arch/x86/include/asm/mach-default/mach_apicdef.h
index 0c2d41c41b2..b9feb25bfe6 100644
--- a/arch/x86/include/asm/mach-default/mach_apicdef.h
+++ b/arch/x86/include/asm/mach-default/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_DEFAULT__MACH_APICDEF_H
-#define ASM_X86__MACH_DEFAULT__MACH_APICDEF_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H
+#define _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H
 
 #include <asm/apic.h>
 
@@ -21,4 +21,4 @@ static inline unsigned get_apic_id(unsigned long x)
 #define		GET_APIC_ID(x)	get_apic_id(x)
 #endif
 
-#endif /* ASM_X86__MACH_DEFAULT__MACH_APICDEF_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H */
diff --git a/arch/x86/include/asm/mach-default/mach_ipi.h b/arch/x86/include/asm/mach-default/mach_ipi.h
index 674bc7e50c3..377dfd8cfc7 100644
--- a/arch/x86/include/asm/mach-default/mach_ipi.h
+++ b/arch/x86/include/asm/mach-default/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_DEFAULT__MACH_IPI_H
-#define ASM_X86__MACH_DEFAULT__MACH_IPI_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_IPI_H
+#define _ASM_X86_MACH_DEFAULT__MACH_IPI_H
 
 /* Avoid include hell */
 #define NMI_VECTOR 0x02
@@ -61,4 +61,4 @@ static inline void send_IPI_all(int vector)
 }
 #endif
 
-#endif /* ASM_X86__MACH_DEFAULT__MACH_IPI_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_IPI_H */
diff --git a/arch/x86/include/asm/mach-default/mach_mpparse.h b/arch/x86/include/asm/mach-default/mach_mpparse.h
index 9c381f2815a..028e08b335f 100644
--- a/arch/x86/include/asm/mach-default/mach_mpparse.h
+++ b/arch/x86/include/asm/mach-default/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H
-#define ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H
+#define _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H
 
 static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, 
 		char *productid)
@@ -14,4 +14,4 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 }
 
 
-#endif /* ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H */
diff --git a/arch/x86/include/asm/mach-default/mach_mpspec.h b/arch/x86/include/asm/mach-default/mach_mpspec.h
index d77646f011f..2a966330685 100644
--- a/arch/x86/include/asm/mach-default/mach_mpspec.h
+++ b/arch/x86/include/asm/mach-default/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H
-#define ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H
+#define _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H
 
 #define MAX_IRQ_SOURCES 256
 
@@ -9,4 +9,4 @@
 #define MAX_MP_BUSSES 32
 #endif
 
-#endif /* ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H */
diff --git a/arch/x86/include/asm/mach-default/mach_timer.h b/arch/x86/include/asm/mach-default/mach_timer.h
index 990b1583383..a075b4675b2 100644
--- a/arch/x86/include/asm/mach-default/mach_timer.h
+++ b/arch/x86/include/asm/mach-default/mach_timer.h
@@ -10,8 +10,8 @@
  * directly because of the awkward 8-bit access mechanism of the 82C54
  * device.
  */
-#ifndef ASM_X86__MACH_DEFAULT__MACH_TIMER_H
-#define ASM_X86__MACH_DEFAULT__MACH_TIMER_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_TIMER_H
+#define _ASM_X86_MACH_DEFAULT__MACH_TIMER_H
 
 #define CALIBRATE_TIME_MSEC 30 /* 30 msecs */
 #define CALIBRATE_LATCH	\
@@ -45,4 +45,4 @@ static inline void mach_countup(unsigned long *count_p)
 	*count_p = count;
 }
 
-#endif /* ASM_X86__MACH_DEFAULT__MACH_TIMER_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_TIMER_H */
diff --git a/arch/x86/include/asm/mach-default/mach_traps.h b/arch/x86/include/asm/mach-default/mach_traps.h
index ff8778f26b8..d4fb0bc3fe1 100644
--- a/arch/x86/include/asm/mach-default/mach_traps.h
+++ b/arch/x86/include/asm/mach-default/mach_traps.h
@@ -2,8 +2,8 @@
  *  Machine specific NMI handling for generic.
  *  Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp>
  */
-#ifndef ASM_X86__MACH_DEFAULT__MACH_TRAPS_H
-#define ASM_X86__MACH_DEFAULT__MACH_TRAPS_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H
+#define _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H
 
 #include <asm/mc146818rtc.h>
 
@@ -30,4 +30,4 @@ static inline void reassert_nmi(void)
 		unlock_cmos();
 }
 
-#endif /* ASM_X86__MACH_DEFAULT__MACH_TRAPS_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H */
diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
index 361b810f516..d7136fcdd8f 100644
--- a/arch/x86/include/asm/mach-default/mach_wakecpu.h
+++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H
-#define ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H
+#ifndef _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
+#define _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
 
 /* 
  * This file copes with machines that wakeup secondary CPUs by the
@@ -39,4 +39,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
  #define inquire_remote_apic(apicid) {}
 #endif
 
-#endif /* ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H */
+#endif /* _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H */
diff --git a/arch/x86/include/asm/mach-generic/gpio.h b/arch/x86/include/asm/mach-generic/gpio.h
index 6ce0f7786ef..5fef612df2c 100644
--- a/arch/x86/include/asm/mach-generic/gpio.h
+++ b/arch/x86/include/asm/mach-generic/gpio.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_GENERIC__GPIO_H
-#define ASM_X86__MACH_GENERIC__GPIO_H
+#ifndef _ASM_X86_MACH_GENERIC__GPIO_H
+#define _ASM_X86_MACH_GENERIC__GPIO_H
 
 int gpio_request(unsigned gpio, const char *label);
 void gpio_free(unsigned gpio);
@@ -12,4 +12,4 @@ int irq_to_gpio(unsigned irq);
 
 #include <asm-generic/gpio.h>           /* cansleep wrappers */
 
-#endif /* ASM_X86__MACH_GENERIC__GPIO_H */
+#endif /* _ASM_X86_MACH_GENERIC__GPIO_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_apic.h b/arch/x86/include/asm/mach-generic/mach_apic.h
index 5085b52da30..81668b3905a 100644
--- a/arch/x86/include/asm/mach-generic/mach_apic.h
+++ b/arch/x86/include/asm/mach-generic/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_GENERIC__MACH_APIC_H
-#define ASM_X86__MACH_GENERIC__MACH_APIC_H
+#ifndef _ASM_X86_MACH_GENERIC__MACH_APIC_H
+#define _ASM_X86_MACH_GENERIC__MACH_APIC_H
 
 #include <asm/genapic.h>
 
@@ -30,4 +30,4 @@
 
 extern void generic_bigsmp_probe(void);
 
-#endif /* ASM_X86__MACH_GENERIC__MACH_APIC_H */
+#endif /* _ASM_X86_MACH_GENERIC__MACH_APIC_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_apicdef.h b/arch/x86/include/asm/mach-generic/mach_apicdef.h
index 1657f38b8f2..b2eaf1e654a 100644
--- a/arch/x86/include/asm/mach-generic/mach_apicdef.h
+++ b/arch/x86/include/asm/mach-generic/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_GENERIC__MACH_APICDEF_H
-#define ASM_X86__MACH_GENERIC__MACH_APICDEF_H
+#ifndef _ASM_X86_MACH_GENERIC__MACH_APICDEF_H
+#define _ASM_X86_MACH_GENERIC__MACH_APICDEF_H
 
 #ifndef APIC_DEFINITION
 #include <asm/genapic.h>
@@ -8,4 +8,4 @@
 #define APIC_ID_MASK (genapic->apic_id_mask)
 #endif
 
-#endif /* ASM_X86__MACH_GENERIC__MACH_APICDEF_H */
+#endif /* _ASM_X86_MACH_GENERIC__MACH_APICDEF_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_ipi.h b/arch/x86/include/asm/mach-generic/mach_ipi.h
index f67433dbd65..fe430df5536 100644
--- a/arch/x86/include/asm/mach-generic/mach_ipi.h
+++ b/arch/x86/include/asm/mach-generic/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_GENERIC__MACH_IPI_H
-#define ASM_X86__MACH_GENERIC__MACH_IPI_H
+#ifndef _ASM_X86_MACH_GENERIC__MACH_IPI_H
+#define _ASM_X86_MACH_GENERIC__MACH_IPI_H
 
 #include <asm/genapic.h>
 
@@ -7,4 +7,4 @@
 #define send_IPI_allbutself (genapic->send_IPI_allbutself)
 #define send_IPI_all (genapic->send_IPI_all)
 
-#endif /* ASM_X86__MACH_GENERIC__MACH_IPI_H */
+#endif /* _ASM_X86_MACH_GENERIC__MACH_IPI_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_mpparse.h b/arch/x86/include/asm/mach-generic/mach_mpparse.h
index 3115564e557..aed9f856da8 100644
--- a/arch/x86/include/asm/mach-generic/mach_mpparse.h
+++ b/arch/x86/include/asm/mach-generic/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_GENERIC__MACH_MPPARSE_H
-#define ASM_X86__MACH_GENERIC__MACH_MPPARSE_H
+#ifndef _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H
+#define _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H
 
 
 extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
@@ -7,4 +7,4 @@ extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
 
 extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
 
-#endif /* ASM_X86__MACH_GENERIC__MACH_MPPARSE_H */
+#endif /* _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_mpspec.h b/arch/x86/include/asm/mach-generic/mach_mpspec.h
index 6061b153613..ec615de0574 100644
--- a/arch/x86/include/asm/mach-generic/mach_mpspec.h
+++ b/arch/x86/include/asm/mach-generic/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_GENERIC__MACH_MPSPEC_H
-#define ASM_X86__MACH_GENERIC__MACH_MPSPEC_H
+#ifndef _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H
+#define _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H
 
 #define MAX_IRQ_SOURCES 256
 
@@ -9,4 +9,4 @@
 
 extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
 				char *productid);
-#endif /* ASM_X86__MACH_GENERIC__MACH_MPSPEC_H */
+#endif /* _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H */
diff --git a/arch/x86/include/asm/mach-rdc321x/gpio.h b/arch/x86/include/asm/mach-rdc321x/gpio.h
index 94b6cdf532e..b21d9174385 100644
--- a/arch/x86/include/asm/mach-rdc321x/gpio.h
+++ b/arch/x86/include/asm/mach-rdc321x/gpio.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MACH_RDC321X__GPIO_H
-#define ASM_X86__MACH_RDC321X__GPIO_H
+#ifndef _ASM_X86_MACH_RDC321X__GPIO_H
+#define _ASM_X86_MACH_RDC321X__GPIO_H
 
 #include <linux/kernel.h>
 
@@ -57,4 +57,4 @@ static inline int irq_to_gpio(unsigned irq)
 /* For cansleep */
 #include <asm-generic/gpio.h>
 
-#endif /* ASM_X86__MACH_RDC321X__GPIO_H */
+#endif /* _ASM_X86_MACH_RDC321X__GPIO_H */
diff --git a/arch/x86/include/asm/math_emu.h b/arch/x86/include/asm/math_emu.h
index 5768d8e95c8..5a65b107ad5 100644
--- a/arch/x86/include/asm/math_emu.h
+++ b/arch/x86/include/asm/math_emu.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MATH_EMU_H
-#define ASM_X86__MATH_EMU_H
+#ifndef _ASM_X86_MATH_EMU_H
+#define _ASM_X86_MATH_EMU_H
 
 /* This structure matches the layout of the data saved to the stack
    following a device-not-present interrupt, part of it saved
@@ -28,4 +28,4 @@ struct info {
 	long ___vm86_fs;
 	long ___vm86_gs;
 };
-#endif /* ASM_X86__MATH_EMU_H */
+#endif /* _ASM_X86_MATH_EMU_H */
diff --git a/arch/x86/include/asm/mc146818rtc.h b/arch/x86/include/asm/mc146818rtc.h
index a995f33176c..01fdf5674e2 100644
--- a/arch/x86/include/asm/mc146818rtc.h
+++ b/arch/x86/include/asm/mc146818rtc.h
@@ -1,8 +1,8 @@
 /*
  * Machine dependent access functions for RTC registers.
  */
-#ifndef ASM_X86__MC146818RTC_H
-#define ASM_X86__MC146818RTC_H
+#ifndef _ASM_X86_MC146818RTC_H
+#define _ASM_X86_MC146818RTC_H
 
 #include <asm/io.h>
 #include <asm/system.h>
@@ -101,4 +101,4 @@ extern unsigned long mach_get_cmos_time(void);
 
 #define RTC_IRQ 8
 
-#endif /* ASM_X86__MC146818RTC_H */
+#endif /* _ASM_X86_MC146818RTC_H */
diff --git a/arch/x86/include/asm/mca.h b/arch/x86/include/asm/mca.h
index 60d1ed287b1..eedbb6cc1ef 100644
--- a/arch/x86/include/asm/mca.h
+++ b/arch/x86/include/asm/mca.h
@@ -1,8 +1,8 @@
 /* -*- mode: c; c-basic-offset: 8 -*- */
 
 /* Platform specific MCA defines */
-#ifndef ASM_X86__MCA_H
-#define ASM_X86__MCA_H
+#ifndef _ASM_X86_MCA_H
+#define _ASM_X86_MCA_H
 
 /* Maximal number of MCA slots - actually, some machines have less, but
  * they all have sufficient number of POS registers to cover 8.
@@ -40,4 +40,4 @@
  */
 #define MCA_NUMADAPTERS (MCA_MAX_SLOT_NR+3)
 
-#endif /* ASM_X86__MCA_H */
+#endif /* _ASM_X86_MCA_H */
diff --git a/arch/x86/include/asm/mca_dma.h b/arch/x86/include/asm/mca_dma.h
index 49f22be237d..45271aef82d 100644
--- a/arch/x86/include/asm/mca_dma.h
+++ b/arch/x86/include/asm/mca_dma.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MCA_DMA_H
-#define ASM_X86__MCA_DMA_H
+#ifndef _ASM_X86_MCA_DMA_H
+#define _ASM_X86_MCA_DMA_H
 
 #include <asm/io.h>
 #include <linux/ioport.h>
@@ -198,4 +198,4 @@ static inline void mca_set_dma_mode(unsigned int dmanr, unsigned int mode)
 	outb(mode, MCA_DMA_REG_EXE);
 }
 
-#endif /* ASM_X86__MCA_DMA_H */
+#endif /* _ASM_X86_MCA_DMA_H */
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 036133eaf74..1d6e17c2f23 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MCE_H
-#define ASM_X86__MCE_H
+#ifndef _ASM_X86_MCE_H
+#define _ASM_X86_MCE_H
 
 #ifdef __x86_64__
 
@@ -127,4 +127,4 @@ extern void restart_mce(void);
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__MCE_H */
+#endif /* _ASM_X86_MCE_H */
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 62c793bb70c..c882664716c 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MICROCODE_H
-#define ASM_X86__MICROCODE_H
+#ifndef _ASM_X86_MICROCODE_H
+#define _ASM_X86_MICROCODE_H
 
 struct cpu_signature {
 	unsigned int sig;
@@ -44,4 +44,4 @@ static inline struct microcode_ops * __init init_amd_microcode(void)
 }
 #endif
 
-#endif /* ASM_X86__MICROCODE_H */
+#endif /* _ASM_X86_MICROCODE_H */
diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h
index 4ef28e6de38..90bc4108a4f 100644
--- a/arch/x86/include/asm/mman.h
+++ b/arch/x86/include/asm/mman.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MMAN_H
-#define ASM_X86__MMAN_H
+#ifndef _ASM_X86_MMAN_H
+#define _ASM_X86_MMAN_H
 
 #include <asm-generic/mman.h>
 
@@ -17,4 +17,4 @@
 #define MCL_CURRENT	1		/* lock all current mappings */
 #define MCL_FUTURE	2		/* lock all future mappings */
 
-#endif /* ASM_X86__MMAN_H */
+#endif /* _ASM_X86_MMAN_H */
diff --git a/arch/x86/include/asm/mmconfig.h b/arch/x86/include/asm/mmconfig.h
index fb79b1cf5d0..9b119da1d10 100644
--- a/arch/x86/include/asm/mmconfig.h
+++ b/arch/x86/include/asm/mmconfig.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MMCONFIG_H
-#define ASM_X86__MMCONFIG_H
+#ifndef _ASM_X86_MMCONFIG_H
+#define _ASM_X86_MMCONFIG_H
 
 #ifdef CONFIG_PCI_MMCONFIG
 extern void __cpuinit fam10h_check_enable_mmcfg(void);
@@ -9,4 +9,4 @@ static inline void fam10h_check_enable_mmcfg(void) { }
 static inline void check_enable_amd_mmconf_dmi(void) { }
 #endif
 
-#endif /* ASM_X86__MMCONFIG_H */
+#endif /* _ASM_X86_MMCONFIG_H */
diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
index 9d5aff14334..80a1dee5bea 100644
--- a/arch/x86/include/asm/mmu.h
+++ b/arch/x86/include/asm/mmu.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MMU_H
-#define ASM_X86__MMU_H
+#ifndef _ASM_X86_MMU_H
+#define _ASM_X86_MMU_H
 
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
@@ -23,4 +23,4 @@ static inline void leave_mm(int cpu)
 }
 #endif
 
-#endif /* ASM_X86__MMU_H */
+#endif /* _ASM_X86_MMU_H */
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
index 8ec940bfd07..8aeeb3fd73d 100644
--- a/arch/x86/include/asm/mmu_context.h
+++ b/arch/x86/include/asm/mmu_context.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MMU_CONTEXT_H
-#define ASM_X86__MMU_CONTEXT_H
+#ifndef _ASM_X86_MMU_CONTEXT_H
+#define _ASM_X86_MMU_CONTEXT_H
 
 #include <asm/desc.h>
 #include <asm/atomic.h>
@@ -34,4 +34,4 @@ do {						\
 } while (0);
 
 
-#endif /* ASM_X86__MMU_CONTEXT_H */
+#endif /* _ASM_X86_MMU_CONTEXT_H */
diff --git a/arch/x86/include/asm/mmu_context_32.h b/arch/x86/include/asm/mmu_context_32.h
index cce6f6e4afd..8e10015781f 100644
--- a/arch/x86/include/asm/mmu_context_32.h
+++ b/arch/x86/include/asm/mmu_context_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MMU_CONTEXT_32_H
-#define ASM_X86__MMU_CONTEXT_32_H
+#ifndef _ASM_X86_MMU_CONTEXT_32_H
+#define _ASM_X86_MMU_CONTEXT_32_H
 
 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
@@ -53,4 +53,4 @@ static inline void switch_mm(struct mm_struct *prev,
 #define deactivate_mm(tsk, mm)			\
 	asm("movl %0,%%gs": :"r" (0));
 
-#endif /* ASM_X86__MMU_CONTEXT_32_H */
+#endif /* _ASM_X86_MMU_CONTEXT_32_H */
diff --git a/arch/x86/include/asm/mmu_context_64.h b/arch/x86/include/asm/mmu_context_64.h
index 26758673c82..677d36e9540 100644
--- a/arch/x86/include/asm/mmu_context_64.h
+++ b/arch/x86/include/asm/mmu_context_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MMU_CONTEXT_64_H
-#define ASM_X86__MMU_CONTEXT_64_H
+#ifndef _ASM_X86_MMU_CONTEXT_64_H
+#define _ASM_X86_MMU_CONTEXT_64_H
 
 #include <asm/pda.h>
 
@@ -51,4 +51,4 @@ do {						\
 	asm volatile("movl %0,%%fs"::"r"(0));	\
 } while (0)
 
-#endif /* ASM_X86__MMU_CONTEXT_64_H */
+#endif /* _ASM_X86_MMU_CONTEXT_64_H */
diff --git a/arch/x86/include/asm/mmx.h b/arch/x86/include/asm/mmx.h
index 2e7299bb365..5cbf3135b97 100644
--- a/arch/x86/include/asm/mmx.h
+++ b/arch/x86/include/asm/mmx.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MMX_H
-#define ASM_X86__MMX_H
+#ifndef _ASM_X86_MMX_H
+#define _ASM_X86_MMX_H
 
 /*
  *	MMX 3Dnow! helper operations
@@ -11,4 +11,4 @@ extern void *_mmx_memcpy(void *to, const void *from, size_t size);
 extern void mmx_clear_page(void *page);
 extern void mmx_copy_page(void *to, void *from);
 
-#endif /* ASM_X86__MMX_H */
+#endif /* _ASM_X86_MMX_H */
diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h
index 121b65d61d8..485bdf059ff 100644
--- a/arch/x86/include/asm/mmzone_32.h
+++ b/arch/x86/include/asm/mmzone_32.h
@@ -3,8 +3,8 @@
  *
  */
 
-#ifndef ASM_X86__MMZONE_32_H
-#define ASM_X86__MMZONE_32_H
+#ifndef _ASM_X86_MMZONE_32_H
+#define _ASM_X86_MMZONE_32_H
 
 #include <asm/smp.h>
 
@@ -131,4 +131,4 @@ static inline int pfn_valid(int pfn)
 })
 #endif /* CONFIG_NEED_MULTIPLE_NODES */
 
-#endif /* ASM_X86__MMZONE_32_H */
+#endif /* _ASM_X86_MMZONE_32_H */
diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h
index 6480f3333b2..a5b3817d4b9 100644
--- a/arch/x86/include/asm/mmzone_64.h
+++ b/arch/x86/include/asm/mmzone_64.h
@@ -1,8 +1,8 @@
 /* K8 NUMA support */
 /* Copyright 2002,2003 by Andi Kleen, SuSE Labs */
 /* 2.5 Version loosely based on the NUMAQ Code by Pat Gaughen. */
-#ifndef ASM_X86__MMZONE_64_H
-#define ASM_X86__MMZONE_64_H
+#ifndef _ASM_X86_MMZONE_64_H
+#define _ASM_X86_MMZONE_64_H
 
 
 #ifdef CONFIG_NUMA
@@ -48,4 +48,4 @@ extern int early_pfn_to_nid(unsigned long pfn);
 #endif
 
 #endif
-#endif /* ASM_X86__MMZONE_64_H */
+#endif /* _ASM_X86_MMZONE_64_H */
diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h
index 864f2005fc1..47d62743c4d 100644
--- a/arch/x86/include/asm/module.h
+++ b/arch/x86/include/asm/module.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MODULE_H
-#define ASM_X86__MODULE_H
+#ifndef _ASM_X86_MODULE_H
+#define _ASM_X86_MODULE_H
 
 /* x86_32/64 are simple */
 struct mod_arch_specific {};
@@ -77,4 +77,4 @@ struct mod_arch_specific {};
 # define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_STACKSIZE
 #endif
 
-#endif /* ASM_X86__MODULE_H */
+#endif /* _ASM_X86_MODULE_H */
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index be2241a818f..91885c28f66 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MPSPEC_H
-#define ASM_X86__MPSPEC_H
+#ifndef _ASM_X86_MPSPEC_H
+#define _ASM_X86_MPSPEC_H
 
 #include <linux/init.h>
 
@@ -142,4 +142,4 @@ static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 
 extern physid_mask_t phys_cpu_present_map;
 
-#endif /* ASM_X86__MPSPEC_H */
+#endif /* _ASM_X86_MPSPEC_H */
diff --git a/arch/x86/include/asm/mpspec_def.h b/arch/x86/include/asm/mpspec_def.h
index 79166b04801..e3ace7d1d35 100644
--- a/arch/x86/include/asm/mpspec_def.h
+++ b/arch/x86/include/asm/mpspec_def.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MPSPEC_DEF_H
-#define ASM_X86__MPSPEC_DEF_H
+#ifndef _ASM_X86_MPSPEC_DEF_H
+#define _ASM_X86_MPSPEC_DEF_H
 
 /*
  * Structure definitions for SMP machines following the
@@ -177,4 +177,4 @@ enum mp_bustype {
 	MP_BUS_PCI,
 	MP_BUS_MCA,
 };
-#endif /* ASM_X86__MPSPEC_DEF_H */
+#endif /* _ASM_X86_MPSPEC_DEF_H */
diff --git a/arch/x86/include/asm/msgbuf.h b/arch/x86/include/asm/msgbuf.h
index 1b538c907a3..7e4e9481f51 100644
--- a/arch/x86/include/asm/msgbuf.h
+++ b/arch/x86/include/asm/msgbuf.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MSGBUF_H
-#define ASM_X86__MSGBUF_H
+#ifndef _ASM_X86_MSGBUF_H
+#define _ASM_X86_MSGBUF_H
 
 /*
  * The msqid64_ds structure for i386 architecture.
@@ -36,4 +36,4 @@ struct msqid64_ds {
 	unsigned long  __unused5;
 };
 
-#endif /* ASM_X86__MSGBUF_H */
+#endif /* _ASM_X86_MSGBUF_H */
diff --git a/arch/x86/include/asm/msidef.h b/arch/x86/include/asm/msidef.h
index ed919024687..6706b3006f1 100644
--- a/arch/x86/include/asm/msidef.h
+++ b/arch/x86/include/asm/msidef.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MSIDEF_H
-#define ASM_X86__MSIDEF_H
+#ifndef _ASM_X86_MSIDEF_H
+#define _ASM_X86_MSIDEF_H
 
 /*
  * Constants for Intel APIC based MSI messages.
@@ -52,4 +52,4 @@
 #define MSI_ADDR_IR_SHV			(1 << 3)
 #define MSI_ADDR_IR_INDEX1(index)	((index & 0x8000) >> 13)
 #define MSI_ADDR_IR_INDEX2(index)	((index & 0x7fff) << 5)
-#endif /* ASM_X86__MSIDEF_H */
+#endif /* _ASM_X86_MSIDEF_H */
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index dabd10f0bbe..e38859d577a 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MSR_INDEX_H
-#define ASM_X86__MSR_INDEX_H
+#ifndef _ASM_X86_MSR_INDEX_H
+#define _ASM_X86_MSR_INDEX_H
 
 /* CPU model specific register (MSR) numbers */
 
@@ -329,4 +329,4 @@
 #define MSR_IA32_VMX_PROCBASED_CTLS2    0x0000048b
 #define MSR_IA32_VMX_EPT_VPID_CAP       0x0000048c
 
-#endif /* ASM_X86__MSR_INDEX_H */
+#endif /* _ASM_X86_MSR_INDEX_H */
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 530af1f6389..46be2fa7ac2 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__MSR_H
-#define ASM_X86__MSR_H
+#ifndef _ASM_X86_MSR_H
+#define _ASM_X86_MSR_H
 
 #include <asm/msr-index.h>
 
@@ -244,4 +244,4 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 #endif /* __KERNEL__ */
 
 
-#endif /* ASM_X86__MSR_H */
+#endif /* _ASM_X86_MSR_H */
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
index 23a7f83da95..7c1e4258b31 100644
--- a/arch/x86/include/asm/mtrr.h
+++ b/arch/x86/include/asm/mtrr.h
@@ -20,8 +20,8 @@
     The postal address is:
       Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
 */
-#ifndef ASM_X86__MTRR_H
-#define ASM_X86__MTRR_H
+#ifndef _ASM_X86_MTRR_H
+#define _ASM_X86_MTRR_H
 
 #include <linux/ioctl.h>
 #include <linux/errno.h>
@@ -170,4 +170,4 @@ struct mtrr_gentry32 {
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__MTRR_H */
+#endif /* _ASM_X86_MTRR_H */
diff --git a/arch/x86/include/asm/mutex_32.h b/arch/x86/include/asm/mutex_32.h
index 25c16d8ba3c..03f90c8a5a7 100644
--- a/arch/x86/include/asm/mutex_32.h
+++ b/arch/x86/include/asm/mutex_32.h
@@ -6,8 +6,8 @@
  *
  *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
  */
-#ifndef ASM_X86__MUTEX_32_H
-#define ASM_X86__MUTEX_32_H
+#ifndef _ASM_X86_MUTEX_32_H
+#define _ASM_X86_MUTEX_32_H
 
 #include <asm/alternative.h>
 
@@ -122,4 +122,4 @@ static inline int __mutex_fastpath_trylock(atomic_t *count,
 #endif
 }
 
-#endif /* ASM_X86__MUTEX_32_H */
+#endif /* _ASM_X86_MUTEX_32_H */
diff --git a/arch/x86/include/asm/mutex_64.h b/arch/x86/include/asm/mutex_64.h
index 918ba21ab9d..68a87b0f8e2 100644
--- a/arch/x86/include/asm/mutex_64.h
+++ b/arch/x86/include/asm/mutex_64.h
@@ -6,8 +6,8 @@
  *
  *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
  */
-#ifndef ASM_X86__MUTEX_64_H
-#define ASM_X86__MUTEX_64_H
+#ifndef _ASM_X86_MUTEX_64_H
+#define _ASM_X86_MUTEX_64_H
 
 /**
  * __mutex_fastpath_lock - decrement and call function if negative
@@ -97,4 +97,4 @@ static inline int __mutex_fastpath_trylock(atomic_t *count,
 		return 0;
 }
 
-#endif /* ASM_X86__MUTEX_64_H */
+#endif /* _ASM_X86_MUTEX_64_H */
diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h
index a53f829a97c..c45a0a568df 100644
--- a/arch/x86/include/asm/nmi.h
+++ b/arch/x86/include/asm/nmi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__NMI_H
-#define ASM_X86__NMI_H
+#ifndef _ASM_X86_NMI_H
+#define _ASM_X86_NMI_H
 
 #include <linux/pm.h>
 #include <asm/irq.h>
@@ -78,4 +78,4 @@ void enable_lapic_nmi_watchdog(void);
 void stop_nmi(void);
 void restart_nmi(void);
 
-#endif /* ASM_X86__NMI_H */
+#endif /* _ASM_X86_NMI_H */
diff --git a/arch/x86/include/asm/nops.h b/arch/x86/include/asm/nops.h
index ae742721ae7..ad2668ee1aa 100644
--- a/arch/x86/include/asm/nops.h
+++ b/arch/x86/include/asm/nops.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__NOPS_H
-#define ASM_X86__NOPS_H
+#ifndef _ASM_X86_NOPS_H
+#define _ASM_X86_NOPS_H
 
 /* Define nops for use with alternative() */
 
@@ -115,4 +115,4 @@
 
 #define ASM_NOP_MAX 8
 
-#endif /* ASM_X86__NOPS_H */
+#endif /* _ASM_X86_NOPS_H */
diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h
index 44cb07855c5..e9f5db79624 100644
--- a/arch/x86/include/asm/numa_32.h
+++ b/arch/x86/include/asm/numa_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__NUMA_32_H
-#define ASM_X86__NUMA_32_H
+#ifndef _ASM_X86_NUMA_32_H
+#define _ASM_X86_NUMA_32_H
 
 extern int pxm_to_nid(int pxm);
 extern void numa_remove_cpu(int cpu);
@@ -8,4 +8,4 @@ extern void numa_remove_cpu(int cpu);
 extern void set_highmem_pages_init(void);
 #endif
 
-#endif /* ASM_X86__NUMA_32_H */
+#endif /* _ASM_X86_NUMA_32_H */
diff --git a/arch/x86/include/asm/numa_64.h b/arch/x86/include/asm/numa_64.h
index 15c990395b0..064ed6df4cb 100644
--- a/arch/x86/include/asm/numa_64.h
+++ b/arch/x86/include/asm/numa_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__NUMA_64_H
-#define ASM_X86__NUMA_64_H
+#ifndef _ASM_X86_NUMA_64_H
+#define _ASM_X86_NUMA_64_H
 
 #include <linux/nodemask.h>
 #include <asm/apicdef.h>
@@ -40,4 +40,4 @@ static inline void numa_add_cpu(int cpu, int node)	{ }
 static inline void numa_remove_cpu(int cpu)		{ }
 #endif
 
-#endif /* ASM_X86__NUMA_64_H */
+#endif /* _ASM_X86_NUMA_64_H */
diff --git a/arch/x86/include/asm/numaq.h b/arch/x86/include/asm/numaq.h
index 124bf7d4b70..1e8bd30b4c1 100644
--- a/arch/x86/include/asm/numaq.h
+++ b/arch/x86/include/asm/numaq.h
@@ -23,8 +23,8 @@
  * Send feedback to <gone@us.ibm.com>
  */
 
-#ifndef ASM_X86__NUMAQ_H
-#define ASM_X86__NUMAQ_H
+#ifndef _ASM_X86_NUMAQ_H
+#define _ASM_X86_NUMAQ_H
 
 #ifdef CONFIG_X86_NUMAQ
 
@@ -165,5 +165,5 @@ static inline int get_memcfg_numaq(void)
 	return 0;
 }
 #endif /* CONFIG_X86_NUMAQ */
-#endif /* ASM_X86__NUMAQ_H */
+#endif /* _ASM_X86_NUMAQ_H */
 
diff --git a/arch/x86/include/asm/olpc.h b/arch/x86/include/asm/olpc.h
index d7328b1a05c..834a30295fa 100644
--- a/arch/x86/include/asm/olpc.h
+++ b/arch/x86/include/asm/olpc.h
@@ -1,7 +1,7 @@
 /* OLPC machine specific definitions */
 
-#ifndef ASM_X86__OLPC_H
-#define ASM_X86__OLPC_H
+#ifndef _ASM_X86_OLPC_H
+#define _ASM_X86_OLPC_H
 
 #include <asm/geode.h>
 
@@ -129,4 +129,4 @@ extern int olpc_ec_mask_unset(uint8_t bits);
 #define OLPC_GPIO_LID		geode_gpio(26)
 #define OLPC_GPIO_ECSCI		geode_gpio(27)
 
-#endif /* ASM_X86__OLPC_H */
+#endif /* _ASM_X86_OLPC_H */
diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index d4f1d5791fc..e9873a2e869 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PAGE_H
-#define ASM_X86__PAGE_H
+#ifndef _ASM_X86_PAGE_H
+#define _ASM_X86_PAGE_H
 
 #include <linux/const.h>
 
@@ -206,4 +206,4 @@ extern bool __virt_addr_valid(unsigned long kaddr);
 #define __HAVE_ARCH_GATE_AREA 1
 
 #endif	/* __KERNEL__ */
-#endif /* ASM_X86__PAGE_H */
+#endif /* _ASM_X86_PAGE_H */
diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h
index bdf5dba4cfb..bcde0d7b432 100644
--- a/arch/x86/include/asm/page_32.h
+++ b/arch/x86/include/asm/page_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PAGE_32_H
-#define ASM_X86__PAGE_32_H
+#ifndef _ASM_X86_PAGE_32_H
+#define _ASM_X86_PAGE_32_H
 
 /*
  * This handles the memory map.
@@ -133,4 +133,4 @@ static inline void copy_page(void *to, void *from)
 #endif	/* CONFIG_X86_3DNOW */
 #endif	/* !__ASSEMBLY__ */
 
-#endif /* ASM_X86__PAGE_32_H */
+#endif /* _ASM_X86_PAGE_32_H */
diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h
index 49380b8c7e2..5ebca29f44f 100644
--- a/arch/x86/include/asm/page_64.h
+++ b/arch/x86/include/asm/page_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PAGE_64_H
-#define ASM_X86__PAGE_64_H
+#ifndef _ASM_X86_PAGE_64_H
+#define _ASM_X86_PAGE_64_H
 
 #define PAGETABLE_LEVELS	4
 
@@ -102,4 +102,4 @@ extern void init_extra_mapping_wb(unsigned long phys, unsigned long size);
 #endif
 
 
-#endif /* ASM_X86__PAGE_64_H */
+#endif /* _ASM_X86_PAGE_64_H */
diff --git a/arch/x86/include/asm/param.h b/arch/x86/include/asm/param.h
index 0009cfb11a5..6f0d0422f4c 100644
--- a/arch/x86/include/asm/param.h
+++ b/arch/x86/include/asm/param.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PARAM_H
-#define ASM_X86__PARAM_H
+#ifndef _ASM_X86_PARAM_H
+#define _ASM_X86_PARAM_H
 
 #ifdef __KERNEL__
 # define HZ		CONFIG_HZ	/* Internal kernel timer frequency */
@@ -19,4 +19,4 @@
 
 #define MAXHOSTNAMELEN	64	/* max length of hostname */
 
-#endif /* ASM_X86__PARAM_H */
+#endif /* _ASM_X86_PARAM_H */
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 8d6ae2f760d..ba3e2ff6aed 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PARAVIRT_H
-#define ASM_X86__PARAVIRT_H
+#ifndef _ASM_X86_PARAVIRT_H
+#define _ASM_X86_PARAVIRT_H
 /* Various instructions on x86 need to be replaced for
  * para-virtualization: those hooks are defined here. */
 
@@ -1647,4 +1647,4 @@ static inline unsigned long __raw_local_irq_save(void)
 
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_PARAVIRT */
-#endif /* ASM_X86__PARAVIRT_H */
+#endif /* _ASM_X86_PARAVIRT_H */
diff --git a/arch/x86/include/asm/parport.h b/arch/x86/include/asm/parport.h
index 2e3dda4dc3d..3c4ffeb467e 100644
--- a/arch/x86/include/asm/parport.h
+++ b/arch/x86/include/asm/parport.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PARPORT_H
-#define ASM_X86__PARPORT_H
+#ifndef _ASM_X86_PARPORT_H
+#define _ASM_X86_PARPORT_H
 
 static int __devinit parport_pc_find_isa_ports(int autoirq, int autodma);
 static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma)
@@ -7,4 +7,4 @@ static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma)
 	return parport_pc_find_isa_ports(autoirq, autodma);
 }
 
-#endif /* ASM_X86__PARPORT_H */
+#endif /* _ASM_X86_PARPORT_H */
diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h
index 482c3e3f987..b8493b3b989 100644
--- a/arch/x86/include/asm/pat.h
+++ b/arch/x86/include/asm/pat.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PAT_H
-#define ASM_X86__PAT_H
+#ifndef _ASM_X86_PAT_H
+#define _ASM_X86_PAT_H
 
 #include <linux/types.h>
 
@@ -19,4 +19,4 @@ extern int free_memtype(u64 start, u64 end);
 
 extern void pat_disable(char *reason);
 
-#endif /* ASM_X86__PAT_H */
+#endif /* _ASM_X86_PAT_H */
diff --git a/arch/x86/include/asm/pci-direct.h b/arch/x86/include/asm/pci-direct.h
index da42be07b69..b1e7a45d868 100644
--- a/arch/x86/include/asm/pci-direct.h
+++ b/arch/x86/include/asm/pci-direct.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PCI_DIRECT_H
-#define ASM_X86__PCI_DIRECT_H
+#ifndef _ASM_X86_PCI_DIRECT_H
+#define _ASM_X86_PCI_DIRECT_H
 
 #include <linux/types.h>
 
@@ -18,4 +18,4 @@ extern int early_pci_allowed(void);
 extern unsigned int pci_early_dump_regs;
 extern void early_dump_pci_device(u8 bus, u8 slot, u8 func);
 extern void early_dump_pci_devices(void);
-#endif /* ASM_X86__PCI_DIRECT_H */
+#endif /* _ASM_X86_PCI_DIRECT_H */
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 60258319299..875b38edf19 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PCI_H
-#define ASM_X86__PCI_H
+#ifndef _ASM_X86_PCI_H
+#define _ASM_X86_PCI_H
 
 #include <linux/mm.h> /* for struct page */
 #include <linux/types.h>
@@ -111,4 +111,4 @@ static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus)
 }
 #endif
 
-#endif /* ASM_X86__PCI_H */
+#endif /* _ASM_X86_PCI_H */
diff --git a/arch/x86/include/asm/pci_32.h b/arch/x86/include/asm/pci_32.h
index 3f2288207c0..6f1213a6ef4 100644
--- a/arch/x86/include/asm/pci_32.h
+++ b/arch/x86/include/asm/pci_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PCI_32_H
-#define ASM_X86__PCI_32_H
+#ifndef _ASM_X86_PCI_32_H
+#define _ASM_X86_PCI_32_H
 
 
 #ifdef __KERNEL__
@@ -31,4 +31,4 @@ struct pci_dev;
 #endif /* __KERNEL__ */
 
 
-#endif /* ASM_X86__PCI_32_H */
+#endif /* _ASM_X86_PCI_32_H */
diff --git a/arch/x86/include/asm/pci_64.h b/arch/x86/include/asm/pci_64.h
index f72e12d5770..5b28995d664 100644
--- a/arch/x86/include/asm/pci_64.h
+++ b/arch/x86/include/asm/pci_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PCI_64_H
-#define ASM_X86__PCI_64_H
+#ifndef _ASM_X86_PCI_64_H
+#define _ASM_X86_PCI_64_H
 
 #ifdef __KERNEL__
 
@@ -63,4 +63,4 @@ extern void pci_iommu_alloc(void);
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__PCI_64_H */
+#endif /* _ASM_X86_PCI_64_H */
diff --git a/arch/x86/include/asm/pda.h b/arch/x86/include/asm/pda.h
index 80860afffbd..2fbfff88df3 100644
--- a/arch/x86/include/asm/pda.h
+++ b/arch/x86/include/asm/pda.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PDA_H
-#define ASM_X86__PDA_H
+#ifndef _ASM_X86_PDA_H
+#define _ASM_X86_PDA_H
 
 #ifndef __ASSEMBLY__
 #include <linux/stddef.h>
@@ -134,4 +134,4 @@ do {									\
 
 #define PDA_STACKOFFSET (5*8)
 
-#endif /* ASM_X86__PDA_H */
+#endif /* _ASM_X86_PDA_H */
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index e10a1d0678c..ece72053ba6 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PERCPU_H
-#define ASM_X86__PERCPU_H
+#ifndef _ASM_X86_PERCPU_H
+#define _ASM_X86_PERCPU_H
 
 #ifdef CONFIG_X86_64
 #include <linux/compiler.h>
@@ -215,4 +215,4 @@ do {							\
 
 #endif	/* !CONFIG_SMP */
 
-#endif /* ASM_X86__PERCPU_H */
+#endif /* _ASM_X86_PERCPU_H */
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
index 3cd23adedae..cb7c151a8bf 100644
--- a/arch/x86/include/asm/pgalloc.h
+++ b/arch/x86/include/asm/pgalloc.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGALLOC_H
-#define ASM_X86__PGALLOC_H
+#ifndef _ASM_X86_PGALLOC_H
+#define _ASM_X86_PGALLOC_H
 
 #include <linux/threads.h>
 #include <linux/mm.h>		/* for struct page */
@@ -111,4 +111,4 @@ extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
 #endif	/* PAGETABLE_LEVELS > 3 */
 #endif	/* PAGETABLE_LEVELS > 2 */
 
-#endif /* ASM_X86__PGALLOC_H */
+#endif /* _ASM_X86_PGALLOC_H */
diff --git a/arch/x86/include/asm/pgtable-2level-defs.h b/arch/x86/include/asm/pgtable-2level-defs.h
index 7ec48f4e534..d77db8990ea 100644
--- a/arch/x86/include/asm/pgtable-2level-defs.h
+++ b/arch/x86/include/asm/pgtable-2level-defs.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGTABLE_2LEVEL_DEFS_H
-#define ASM_X86__PGTABLE_2LEVEL_DEFS_H
+#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
+#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
 
 #define SHARED_KERNEL_PMD	0
 
@@ -17,4 +17,4 @@
 
 #define PTRS_PER_PTE	1024
 
-#endif /* ASM_X86__PGTABLE_2LEVEL_DEFS_H */
+#endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
index 81762081dcd..b17edfd2362 100644
--- a/arch/x86/include/asm/pgtable-2level.h
+++ b/arch/x86/include/asm/pgtable-2level.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGTABLE_2LEVEL_H
-#define ASM_X86__PGTABLE_2LEVEL_H
+#ifndef _ASM_X86_PGTABLE_2LEVEL_H
+#define _ASM_X86_PGTABLE_2LEVEL_H
 
 #define pte_ERROR(e) \
 	printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low)
@@ -76,4 +76,4 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp)
 #define __pte_to_swp_entry(pte)		((swp_entry_t) { (pte).pte_low })
 #define __swp_entry_to_pte(x)		((pte_t) { .pte = (x).val })
 
-#endif /* ASM_X86__PGTABLE_2LEVEL_H */
+#endif /* _ASM_X86_PGTABLE_2LEVEL_H */
diff --git a/arch/x86/include/asm/pgtable-3level-defs.h b/arch/x86/include/asm/pgtable-3level-defs.h
index c05fe6ff372..62561367653 100644
--- a/arch/x86/include/asm/pgtable-3level-defs.h
+++ b/arch/x86/include/asm/pgtable-3level-defs.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGTABLE_3LEVEL_DEFS_H
-#define ASM_X86__PGTABLE_3LEVEL_DEFS_H
+#ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H
+#define _ASM_X86_PGTABLE_3LEVEL_DEFS_H
 
 #ifdef CONFIG_PARAVIRT
 #define SHARED_KERNEL_PMD	(pv_info.shared_kernel_pmd)
@@ -25,4 +25,4 @@
  */
 #define PTRS_PER_PTE	512
 
-#endif /* ASM_X86__PGTABLE_3LEVEL_DEFS_H */
+#endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */
diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index 75f4276b5dd..fb16cec702e 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGTABLE_3LEVEL_H
-#define ASM_X86__PGTABLE_3LEVEL_H
+#ifndef _ASM_X86_PGTABLE_3LEVEL_H
+#define _ASM_X86_PGTABLE_3LEVEL_H
 
 /*
  * Intel Physical Address Extension (PAE) Mode - three-level page
@@ -172,4 +172,4 @@ static inline int pte_none(pte_t pte)
 #define __pte_to_swp_entry(pte)		((swp_entry_t){ (pte).pte_high })
 #define __swp_entry_to_pte(x)		((pte_t){ { .pte_high = (x).val } })
 
-#endif /* ASM_X86__PGTABLE_3LEVEL_H */
+#endif /* _ASM_X86_PGTABLE_3LEVEL_H */
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 88a53b1a17f..fb7d1e9985b 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGTABLE_H
-#define ASM_X86__PGTABLE_H
+#ifndef _ASM_X86_PGTABLE_H
+#define _ASM_X86_PGTABLE_H
 
 #define FIRST_USER_ADDRESS	0
 
@@ -558,4 +558,4 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
 #include <asm-generic/pgtable.h>
 #endif	/* __ASSEMBLY__ */
 
-#endif /* ASM_X86__PGTABLE_H */
+#endif /* _ASM_X86_PGTABLE_H */
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 8de702dc7d6..f9d5889b336 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGTABLE_32_H
-#define ASM_X86__PGTABLE_32_H
+#ifndef _ASM_X86_PGTABLE_32_H
+#define _ASM_X86_PGTABLE_32_H
 
 
 /*
@@ -188,4 +188,4 @@ do {						\
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot)	\
 	remap_pfn_range(vma, vaddr, pfn, size, prot)
 
-#endif /* ASM_X86__PGTABLE_32_H */
+#endif /* _ASM_X86_PGTABLE_32_H */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index fde9770e53d..545a0e042bb 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PGTABLE_64_H
-#define ASM_X86__PGTABLE_64_H
+#ifndef _ASM_X86_PGTABLE_64_H
+#define _ASM_X86_PGTABLE_64_H
 
 #include <linux/const.h>
 #ifndef __ASSEMBLY__
@@ -282,4 +282,4 @@ extern void cleanup_highmap(void);
 #define __HAVE_ARCH_PTE_SAME
 #endif /* !__ASSEMBLY__ */
 
-#endif /* ASM_X86__PGTABLE_64_H */
+#endif /* _ASM_X86_PGTABLE_64_H */
diff --git a/arch/x86/include/asm/posix_types_32.h b/arch/x86/include/asm/posix_types_32.h
index 70cf2bb0593..f7d9adf82e5 100644
--- a/arch/x86/include/asm/posix_types_32.h
+++ b/arch/x86/include/asm/posix_types_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__POSIX_TYPES_32_H
-#define ASM_X86__POSIX_TYPES_32_H
+#ifndef _ASM_X86_POSIX_TYPES_32_H
+#define _ASM_X86_POSIX_TYPES_32_H
 
 /*
  * This file is generally used by user-level software, so you need to
@@ -82,4 +82,4 @@ do {								\
 
 #endif /* defined(__KERNEL__) */
 
-#endif /* ASM_X86__POSIX_TYPES_32_H */
+#endif /* _ASM_X86_POSIX_TYPES_32_H */
diff --git a/arch/x86/include/asm/posix_types_64.h b/arch/x86/include/asm/posix_types_64.h
index 388b4e7f4a4..eb8d2d92b63 100644
--- a/arch/x86/include/asm/posix_types_64.h
+++ b/arch/x86/include/asm/posix_types_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__POSIX_TYPES_64_H
-#define ASM_X86__POSIX_TYPES_64_H
+#ifndef _ASM_X86_POSIX_TYPES_64_H
+#define _ASM_X86_POSIX_TYPES_64_H
 
 /*
  * This file is generally used by user-level software, so you need to
@@ -116,4 +116,4 @@ static inline void __FD_ZERO(__kernel_fd_set *p)
 
 #endif /* defined(__KERNEL__) */
 
-#endif /* ASM_X86__POSIX_TYPES_64_H */
+#endif /* _ASM_X86_POSIX_TYPES_64_H */
diff --git a/arch/x86/include/asm/prctl.h b/arch/x86/include/asm/prctl.h
index e7ae34eb410..fe681147a4f 100644
--- a/arch/x86/include/asm/prctl.h
+++ b/arch/x86/include/asm/prctl.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PRCTL_H
-#define ASM_X86__PRCTL_H
+#ifndef _ASM_X86_PRCTL_H
+#define _ASM_X86_PRCTL_H
 
 #define ARCH_SET_GS 0x1001
 #define ARCH_SET_FS 0x1002
@@ -7,4 +7,4 @@
 #define ARCH_GET_GS 0x1004
 
 
-#endif /* ASM_X86__PRCTL_H */
+#endif /* _ASM_X86_PRCTL_H */
diff --git a/arch/x86/include/asm/processor-flags.h b/arch/x86/include/asm/processor-flags.h
index dc5f0712f9f..7a3e836eb2a 100644
--- a/arch/x86/include/asm/processor-flags.h
+++ b/arch/x86/include/asm/processor-flags.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PROCESSOR_FLAGS_H
-#define ASM_X86__PROCESSOR_FLAGS_H
+#ifndef _ASM_X86_PROCESSOR_FLAGS_H
+#define _ASM_X86_PROCESSOR_FLAGS_H
 /* Various flags defined: can be included from assembler. */
 
 /*
@@ -97,4 +97,4 @@
 #endif
 #endif
 
-#endif /* ASM_X86__PROCESSOR_FLAGS_H */
+#endif /* _ASM_X86_PROCESSOR_FLAGS_H */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index ee7cbb30773..5ca01e38326 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PROCESSOR_H
-#define ASM_X86__PROCESSOR_H
+#ifndef _ASM_X86_PROCESSOR_H
+#define _ASM_X86_PROCESSOR_H
 
 #include <asm/processor-flags.h>
 
@@ -933,4 +933,4 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
 extern int get_tsc_mode(unsigned long adr);
 extern int set_tsc_mode(unsigned int val);
 
-#endif /* ASM_X86__PROCESSOR_H */
+#endif /* _ASM_X86_PROCESSOR_H */
diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h
index 6e89e8b4de0..d6a22f92ba7 100644
--- a/arch/x86/include/asm/proto.h
+++ b/arch/x86/include/asm/proto.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PROTO_H
-#define ASM_X86__PROTO_H
+#ifndef _ASM_X86_PROTO_H
+#define _ASM_X86_PROTO_H
 
 #include <asm/ldt.h>
 
@@ -29,4 +29,4 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
 #define round_up(x, y) (((x) + (y) - 1) & ~((y) - 1))
 #define round_down(x, y) ((x) & ~((y) - 1))
 
-#endif /* ASM_X86__PROTO_H */
+#endif /* _ASM_X86_PROTO_H */
diff --git a/arch/x86/include/asm/ptrace-abi.h b/arch/x86/include/asm/ptrace-abi.h
index 4298b8882a7..25f1bb8fc62 100644
--- a/arch/x86/include/asm/ptrace-abi.h
+++ b/arch/x86/include/asm/ptrace-abi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PTRACE_ABI_H
-#define ASM_X86__PTRACE_ABI_H
+#ifndef _ASM_X86_PTRACE_ABI_H
+#define _ASM_X86_PTRACE_ABI_H
 
 #ifdef __i386__
 
@@ -142,4 +142,4 @@ struct ptrace_bts_config {
 */
 #endif /* CONFIG_X86_PTRACE_BTS */
 
-#endif /* ASM_X86__PTRACE_ABI_H */
+#endif /* _ASM_X86_PTRACE_ABI_H */
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index a2025525a15..d1531c8480b 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PTRACE_H
-#define ASM_X86__PTRACE_H
+#ifndef _ASM_X86_PTRACE_H
+#define _ASM_X86_PTRACE_H
 
 #include <linux/compiler.h>	/* For __user */
 #include <asm/ptrace-abi.h>
@@ -277,4 +277,4 @@ extern int do_set_thread_area(struct task_struct *p, int idx,
 
 #endif /* !__ASSEMBLY__ */
 
-#endif /* ASM_X86__PTRACE_H */
+#endif /* _ASM_X86_PTRACE_H */
diff --git a/arch/x86/include/asm/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h
index edb3b4ecfc8..6d93508f262 100644
--- a/arch/x86/include/asm/pvclock-abi.h
+++ b/arch/x86/include/asm/pvclock-abi.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PVCLOCK_ABI_H
-#define ASM_X86__PVCLOCK_ABI_H
+#ifndef _ASM_X86_PVCLOCK_ABI_H
+#define _ASM_X86_PVCLOCK_ABI_H
 #ifndef __ASSEMBLY__
 
 /*
@@ -39,4 +39,4 @@ struct pvclock_wall_clock {
 } __attribute__((__packed__));
 
 #endif /* __ASSEMBLY__ */
-#endif /* ASM_X86__PVCLOCK_ABI_H */
+#endif /* _ASM_X86_PVCLOCK_ABI_H */
diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
index ad29e277fd6..53235fd5f8c 100644
--- a/arch/x86/include/asm/pvclock.h
+++ b/arch/x86/include/asm/pvclock.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__PVCLOCK_H
-#define ASM_X86__PVCLOCK_H
+#ifndef _ASM_X86_PVCLOCK_H
+#define _ASM_X86_PVCLOCK_H
 
 #include <linux/clocksource.h>
 #include <asm/pvclock-abi.h>
@@ -11,4 +11,4 @@ void pvclock_read_wallclock(struct pvclock_wall_clock *wall,
 			    struct pvclock_vcpu_time_info *vcpu,
 			    struct timespec *ts);
 
-#endif /* ASM_X86__PVCLOCK_H */
+#endif /* _ASM_X86_PVCLOCK_H */
diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h
index 1c2f0ce9e31..df7710354f8 100644
--- a/arch/x86/include/asm/reboot.h
+++ b/arch/x86/include/asm/reboot.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__REBOOT_H
-#define ASM_X86__REBOOT_H
+#ifndef _ASM_X86_REBOOT_H
+#define _ASM_X86_REBOOT_H
 
 struct pt_regs;
 
@@ -18,4 +18,4 @@ void native_machine_crash_shutdown(struct pt_regs *regs);
 void native_machine_shutdown(void);
 void machine_real_restart(const unsigned char *code, int length);
 
-#endif /* ASM_X86__REBOOT_H */
+#endif /* _ASM_X86_REBOOT_H */
diff --git a/arch/x86/include/asm/reboot_fixups.h b/arch/x86/include/asm/reboot_fixups.h
index 2c2987d9757..765debe4c54 100644
--- a/arch/x86/include/asm/reboot_fixups.h
+++ b/arch/x86/include/asm/reboot_fixups.h
@@ -1,6 +1,6 @@
-#ifndef ASM_X86__REBOOT_FIXUPS_H
-#define ASM_X86__REBOOT_FIXUPS_H
+#ifndef _ASM_X86_REBOOT_FIXUPS_H
+#define _ASM_X86_REBOOT_FIXUPS_H
 
 extern void mach_reboot_fixups(void);
 
-#endif /* ASM_X86__REBOOT_FIXUPS_H */
+#endif /* _ASM_X86_REBOOT_FIXUPS_H */
diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h
index a01c4e37633..d5cd6c58688 100644
--- a/arch/x86/include/asm/required-features.h
+++ b/arch/x86/include/asm/required-features.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__REQUIRED_FEATURES_H
-#define ASM_X86__REQUIRED_FEATURES_H
+#ifndef _ASM_X86_REQUIRED_FEATURES_H
+#define _ASM_X86_REQUIRED_FEATURES_H
 
 /* Define minimum CPUID feature set for kernel These bits are checked
    really early to actually display a visible error message before the
@@ -79,4 +79,4 @@
 #define REQUIRED_MASK6	0
 #define REQUIRED_MASK7	0
 
-#endif /* ASM_X86__REQUIRED_FEATURES_H */
+#endif /* _ASM_X86_REQUIRED_FEATURES_H */
diff --git a/arch/x86/include/asm/resume-trace.h b/arch/x86/include/asm/resume-trace.h
index e39376d7de5..3ff1c2cb1da 100644
--- a/arch/x86/include/asm/resume-trace.h
+++ b/arch/x86/include/asm/resume-trace.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__RESUME_TRACE_H
-#define ASM_X86__RESUME_TRACE_H
+#ifndef _ASM_X86_RESUME_TRACE_H
+#define _ASM_X86_RESUME_TRACE_H
 
 #include <asm/asm.h>
 
@@ -18,4 +18,4 @@ do {								\
 	}							\
 } while (0)
 
-#endif /* ASM_X86__RESUME_TRACE_H */
+#endif /* _ASM_X86_RESUME_TRACE_H */
diff --git a/arch/x86/include/asm/rio.h b/arch/x86/include/asm/rio.h
index 5e1256bdee8..97bab6388a9 100644
--- a/arch/x86/include/asm/rio.h
+++ b/arch/x86/include/asm/rio.h
@@ -5,8 +5,8 @@
  * Author: Laurent Vivier <Laurent.Vivier@bull.net>
  */
 
-#ifndef ASM_X86__RIO_H
-#define ASM_X86__RIO_H
+#ifndef _ASM_X86_RIO_H
+#define _ASM_X86_RIO_H
 
 #define RIO_TABLE_VERSION	3
 
@@ -60,4 +60,4 @@ enum {
 	ALT_CALGARY	= 5,	/* Second Planar Calgary      */
 };
 
-#endif /* ASM_X86__RIO_H */
+#endif /* _ASM_X86_RIO_H */
diff --git a/arch/x86/include/asm/rwlock.h b/arch/x86/include/asm/rwlock.h
index 48a3109e1a7..6a8c0d64510 100644
--- a/arch/x86/include/asm/rwlock.h
+++ b/arch/x86/include/asm/rwlock.h
@@ -1,8 +1,8 @@
-#ifndef ASM_X86__RWLOCK_H
-#define ASM_X86__RWLOCK_H
+#ifndef _ASM_X86_RWLOCK_H
+#define _ASM_X86_RWLOCK_H
 
 #define RW_LOCK_BIAS		 0x01000000
 
 /* Actual code is in asm/spinlock.h or in arch/x86/lib/rwlock.S */
 
-#endif /* ASM_X86__RWLOCK_H */
+#endif /* _ASM_X86_RWLOCK_H */
diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h
index 3ff3015b71a..ca7517d3377 100644
--- a/arch/x86/include/asm/rwsem.h
+++ b/arch/x86/include/asm/rwsem.h
@@ -29,8 +29,8 @@
  * front, then they'll all be woken up, but no other readers will be.
  */
 
-#ifndef ASM_X86__RWSEM_H
-#define ASM_X86__RWSEM_H
+#ifndef _ASM_X86_RWSEM_H
+#define _ASM_X86_RWSEM_H
 
 #ifndef _LINUX_RWSEM_H
 #error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead"
@@ -262,4 +262,4 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem)
 }
 
 #endif /* __KERNEL__ */
-#endif /* ASM_X86__RWSEM_H */
+#endif /* _ASM_X86_RWSEM_H */
diff --git a/arch/x86/include/asm/scatterlist.h b/arch/x86/include/asm/scatterlist.h
index ee48f880005..263d397d2ee 100644
--- a/arch/x86/include/asm/scatterlist.h
+++ b/arch/x86/include/asm/scatterlist.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SCATTERLIST_H
-#define ASM_X86__SCATTERLIST_H
+#ifndef _ASM_X86_SCATTERLIST_H
+#define _ASM_X86_SCATTERLIST_H
 
 #include <asm/types.h>
 
@@ -30,4 +30,4 @@ struct scatterlist {
 # define sg_dma_len(sg)		((sg)->dma_length)
 #endif
 
-#endif /* ASM_X86__SCATTERLIST_H */
+#endif /* _ASM_X86_SCATTERLIST_H */
diff --git a/arch/x86/include/asm/seccomp_32.h b/arch/x86/include/asm/seccomp_32.h
index cf9ab2dbcef..a6ad87b352c 100644
--- a/arch/x86/include/asm/seccomp_32.h
+++ b/arch/x86/include/asm/seccomp_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SECCOMP_32_H
-#define ASM_X86__SECCOMP_32_H
+#ifndef _ASM_X86_SECCOMP_32_H
+#define _ASM_X86_SECCOMP_32_H
 
 #include <linux/thread_info.h>
 
@@ -14,4 +14,4 @@
 #define __NR_seccomp_exit __NR_exit
 #define __NR_seccomp_sigreturn __NR_sigreturn
 
-#endif /* ASM_X86__SECCOMP_32_H */
+#endif /* _ASM_X86_SECCOMP_32_H */
diff --git a/arch/x86/include/asm/seccomp_64.h b/arch/x86/include/asm/seccomp_64.h
index 03274cea751..4171bb794e9 100644
--- a/arch/x86/include/asm/seccomp_64.h
+++ b/arch/x86/include/asm/seccomp_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SECCOMP_64_H
-#define ASM_X86__SECCOMP_64_H
+#ifndef _ASM_X86_SECCOMP_64_H
+#define _ASM_X86_SECCOMP_64_H
 
 #include <linux/thread_info.h>
 
@@ -22,4 +22,4 @@
 #define __NR_seccomp_exit_32 __NR_ia32_exit
 #define __NR_seccomp_sigreturn_32 __NR_ia32_sigreturn
 
-#endif /* ASM_X86__SECCOMP_64_H */
+#endif /* _ASM_X86_SECCOMP_64_H */
diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
index 5d6e6945489..1dc1b51ac62 100644
--- a/arch/x86/include/asm/segment.h
+++ b/arch/x86/include/asm/segment.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SEGMENT_H
-#define ASM_X86__SEGMENT_H
+#ifndef _ASM_X86_SEGMENT_H
+#define _ASM_X86_SEGMENT_H
 
 /* Constructor for a conventional segment GDT (or LDT) entry */
 /* This is a macro so it can be used in initializers */
@@ -206,4 +206,4 @@ extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][10];
 #endif
 #endif
 
-#endif /* ASM_X86__SEGMENT_H */
+#endif /* _ASM_X86_SEGMENT_H */
diff --git a/arch/x86/include/asm/sembuf.h b/arch/x86/include/asm/sembuf.h
index 81f06b7e5a3..ee50c801f7b 100644
--- a/arch/x86/include/asm/sembuf.h
+++ b/arch/x86/include/asm/sembuf.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SEMBUF_H
-#define ASM_X86__SEMBUF_H
+#ifndef _ASM_X86_SEMBUF_H
+#define _ASM_X86_SEMBUF_H
 
 /*
  * The semid64_ds structure for x86 architecture.
@@ -21,4 +21,4 @@ struct semid64_ds {
 	unsigned long	__unused4;
 };
 
-#endif /* ASM_X86__SEMBUF_H */
+#endif /* _ASM_X86_SEMBUF_H */
diff --git a/arch/x86/include/asm/serial.h b/arch/x86/include/asm/serial.h
index 303660b671e..628c801535e 100644
--- a/arch/x86/include/asm/serial.h
+++ b/arch/x86/include/asm/serial.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SERIAL_H
-#define ASM_X86__SERIAL_H
+#ifndef _ASM_X86_SERIAL_H
+#define _ASM_X86_SERIAL_H
 
 /*
  * This assumes you have a 1.8432 MHz clock for your UART.
@@ -26,4 +26,4 @@
 	{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },	/* ttyS2 */	\
 	{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },	/* ttyS3 */
 
-#endif /* ASM_X86__SERIAL_H */
+#endif /* _ASM_X86_SERIAL_H */
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 11b6cc14b28..f12d3723746 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SETUP_H
-#define ASM_X86__SETUP_H
+#ifndef _ASM_X86_SETUP_H
+#define _ASM_X86_SETUP_H
 
 #define COMMAND_LINE_SIZE 2048
 
@@ -102,4 +102,4 @@ void __init x86_64_start_reservations(char *real_mode_data);
 #endif /* __ASSEMBLY__ */
 #endif  /*  __KERNEL__  */
 
-#endif /* ASM_X86__SETUP_H */
+#endif /* _ASM_X86_SETUP_H */
diff --git a/arch/x86/include/asm/shmbuf.h b/arch/x86/include/asm/shmbuf.h
index f51aec2298e..b51413b7497 100644
--- a/arch/x86/include/asm/shmbuf.h
+++ b/arch/x86/include/asm/shmbuf.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SHMBUF_H
-#define ASM_X86__SHMBUF_H
+#ifndef _ASM_X86_SHMBUF_H
+#define _ASM_X86_SHMBUF_H
 
 /*
  * The shmid64_ds structure for x86 architecture.
@@ -48,4 +48,4 @@ struct shminfo64 {
 	unsigned long	__unused4;
 };
 
-#endif /* ASM_X86__SHMBUF_H */
+#endif /* _ASM_X86_SHMBUF_H */
diff --git a/arch/x86/include/asm/shmparam.h b/arch/x86/include/asm/shmparam.h
index a83a1fd96a0..0880cf0917b 100644
--- a/arch/x86/include/asm/shmparam.h
+++ b/arch/x86/include/asm/shmparam.h
@@ -1,6 +1,6 @@
-#ifndef ASM_X86__SHMPARAM_H
-#define ASM_X86__SHMPARAM_H
+#ifndef _ASM_X86_SHMPARAM_H
+#define _ASM_X86_SHMPARAM_H
 
 #define SHMLBA PAGE_SIZE	 /* attach addr a multiple of this */
 
-#endif /* ASM_X86__SHMPARAM_H */
+#endif /* _ASM_X86_SHMPARAM_H */
diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h
index ee813f4fe5d..0afcb5e58ac 100644
--- a/arch/x86/include/asm/sigcontext.h
+++ b/arch/x86/include/asm/sigcontext.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SIGCONTEXT_H
-#define ASM_X86__SIGCONTEXT_H
+#ifndef _ASM_X86_SIGCONTEXT_H
+#define _ASM_X86_SIGCONTEXT_H
 
 #include <linux/compiler.h>
 #include <asm/types.h>
@@ -281,4 +281,4 @@ struct _xstate {
 	/* new processor state extensions go here */
 };
 
-#endif /* ASM_X86__SIGCONTEXT_H */
+#endif /* _ASM_X86_SIGCONTEXT_H */
diff --git a/arch/x86/include/asm/sigcontext32.h b/arch/x86/include/asm/sigcontext32.h
index 8c347032c2f..6126188cf3a 100644
--- a/arch/x86/include/asm/sigcontext32.h
+++ b/arch/x86/include/asm/sigcontext32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SIGCONTEXT32_H
-#define ASM_X86__SIGCONTEXT32_H
+#ifndef _ASM_X86_SIGCONTEXT32_H
+#define _ASM_X86_SIGCONTEXT32_H
 
 /* signal context for 32bit programs. */
 
@@ -72,4 +72,4 @@ struct sigcontext_ia32 {
        unsigned int cr2;
 };
 
-#endif /* ASM_X86__SIGCONTEXT32_H */
+#endif /* _ASM_X86_SIGCONTEXT32_H */
diff --git a/arch/x86/include/asm/siginfo.h b/arch/x86/include/asm/siginfo.h
index 808bdfb2958..fc1aa553564 100644
--- a/arch/x86/include/asm/siginfo.h
+++ b/arch/x86/include/asm/siginfo.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SIGINFO_H
-#define ASM_X86__SIGINFO_H
+#ifndef _ASM_X86_SIGINFO_H
+#define _ASM_X86_SIGINFO_H
 
 #ifdef __x86_64__
 # define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))
@@ -7,4 +7,4 @@
 
 #include <asm-generic/siginfo.h>
 
-#endif /* ASM_X86__SIGINFO_H */
+#endif /* _ASM_X86_SIGINFO_H */
diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h
index 65acc82d267..96ac44f275d 100644
--- a/arch/x86/include/asm/signal.h
+++ b/arch/x86/include/asm/signal.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SIGNAL_H
-#define ASM_X86__SIGNAL_H
+#ifndef _ASM_X86_SIGNAL_H
+#define _ASM_X86_SIGNAL_H
 
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
@@ -259,4 +259,4 @@ struct pt_regs;
 #endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
 
-#endif /* ASM_X86__SIGNAL_H */
+#endif /* _ASM_X86_SIGNAL_H */
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index a6afc29f2dd..2766021aef8 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SMP_H
-#define ASM_X86__SMP_H
+#ifndef _ASM_X86_SMP_H
+#define _ASM_X86_SMP_H
 #ifndef __ASSEMBLY__
 #include <linux/cpumask.h>
 #include <linux/init.h>
@@ -226,4 +226,4 @@ static inline int hard_smp_processor_id(void)
 #endif /* CONFIG_X86_LOCAL_APIC */
 
 #endif /* __ASSEMBLY__ */
-#endif /* ASM_X86__SMP_H */
+#endif /* _ASM_X86_SMP_H */
diff --git a/arch/x86/include/asm/socket.h b/arch/x86/include/asm/socket.h
index db73274c83c..8ab9cc8b2ec 100644
--- a/arch/x86/include/asm/socket.h
+++ b/arch/x86/include/asm/socket.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SOCKET_H
-#define ASM_X86__SOCKET_H
+#ifndef _ASM_X86_SOCKET_H
+#define _ASM_X86_SOCKET_H
 
 #include <asm/sockios.h>
 
@@ -54,4 +54,4 @@
 
 #define SO_MARK			36
 
-#endif /* ASM_X86__SOCKET_H */
+#endif /* _ASM_X86_SOCKET_H */
diff --git a/arch/x86/include/asm/sockios.h b/arch/x86/include/asm/sockios.h
index a006704fdc8..49cc72b5d3c 100644
--- a/arch/x86/include/asm/sockios.h
+++ b/arch/x86/include/asm/sockios.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SOCKIOS_H
-#define ASM_X86__SOCKIOS_H
+#ifndef _ASM_X86_SOCKIOS_H
+#define _ASM_X86_SOCKIOS_H
 
 /* Socket-level I/O control calls. */
 #define FIOSETOWN	0x8901
@@ -10,4 +10,4 @@
 #define SIOCGSTAMP	0x8906		/* Get stamp (timeval) */
 #define SIOCGSTAMPNS	0x8907		/* Get stamp (timespec) */
 
-#endif /* ASM_X86__SOCKIOS_H */
+#endif /* _ASM_X86_SOCKIOS_H */
diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h
index 38f8e6bc318..be44f7dab39 100644
--- a/arch/x86/include/asm/sparsemem.h
+++ b/arch/x86/include/asm/sparsemem.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SPARSEMEM_H
-#define ASM_X86__SPARSEMEM_H
+#ifndef _ASM_X86_SPARSEMEM_H
+#define _ASM_X86_SPARSEMEM_H
 
 #ifdef CONFIG_SPARSEMEM
 /*
@@ -31,4 +31,4 @@
 #endif
 
 #endif /* CONFIG_SPARSEMEM */
-#endif /* ASM_X86__SPARSEMEM_H */
+#endif /* _ASM_X86_SPARSEMEM_H */
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index 157ff7fab97..d17c91981da 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SPINLOCK_H
-#define ASM_X86__SPINLOCK_H
+#ifndef _ASM_X86_SPINLOCK_H
+#define _ASM_X86_SPINLOCK_H
 
 #include <asm/atomic.h>
 #include <asm/rwlock.h>
@@ -361,4 +361,4 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
 #define _raw_read_relax(lock)	cpu_relax()
 #define _raw_write_relax(lock)	cpu_relax()
 
-#endif /* ASM_X86__SPINLOCK_H */
+#endif /* _ASM_X86_SPINLOCK_H */
diff --git a/arch/x86/include/asm/spinlock_types.h b/arch/x86/include/asm/spinlock_types.h
index 6aa9b562c50..845f81c8709 100644
--- a/arch/x86/include/asm/spinlock_types.h
+++ b/arch/x86/include/asm/spinlock_types.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SPINLOCK_TYPES_H
-#define ASM_X86__SPINLOCK_TYPES_H
+#ifndef _ASM_X86_SPINLOCK_TYPES_H
+#define _ASM_X86_SPINLOCK_TYPES_H
 
 #ifndef __LINUX_SPINLOCK_TYPES_H
 # error "please don't include this file directly"
@@ -17,4 +17,4 @@ typedef struct {
 
 #define __RAW_RW_LOCK_UNLOCKED		{ RW_LOCK_BIAS }
 
-#endif /* ASM_X86__SPINLOCK_TYPES_H */
+#endif /* _ASM_X86_SPINLOCK_TYPES_H */
diff --git a/arch/x86/include/asm/srat.h b/arch/x86/include/asm/srat.h
index 5363e4f7e1c..b508d639d1a 100644
--- a/arch/x86/include/asm/srat.h
+++ b/arch/x86/include/asm/srat.h
@@ -24,8 +24,8 @@
  * Send feedback to Pat Gaughen <gone@us.ibm.com>
  */
 
-#ifndef ASM_X86__SRAT_H
-#define ASM_X86__SRAT_H
+#ifndef _ASM_X86_SRAT_H
+#define _ASM_X86_SRAT_H
 
 #ifdef CONFIG_ACPI_NUMA
 extern int get_memcfg_from_srat(void);
@@ -36,4 +36,4 @@ static inline int get_memcfg_from_srat(void)
 }
 #endif
 
-#endif /* ASM_X86__SRAT_H */
+#endif /* _ASM_X86_SRAT_H */
diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h
index f43517e2853..f517944b2b1 100644
--- a/arch/x86/include/asm/stacktrace.h
+++ b/arch/x86/include/asm/stacktrace.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__STACKTRACE_H
-#define ASM_X86__STACKTRACE_H
+#ifndef _ASM_X86_STACKTRACE_H
+#define _ASM_X86_STACKTRACE_H
 
 extern int kstack_depth_to_print;
 
@@ -18,4 +18,4 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
 		unsigned long *stack, unsigned long bp,
 		const struct stacktrace_ops *ops, void *data);
 
-#endif /* ASM_X86__STACKTRACE_H */
+#endif /* _ASM_X86_STACKTRACE_H */
diff --git a/arch/x86/include/asm/stat.h b/arch/x86/include/asm/stat.h
index 1e120f62890..e0b1d9bbcbc 100644
--- a/arch/x86/include/asm/stat.h
+++ b/arch/x86/include/asm/stat.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__STAT_H
-#define ASM_X86__STAT_H
+#ifndef _ASM_X86_STAT_H
+#define _ASM_X86_STAT_H
 
 #define STAT_HAVE_NSEC 1
 
@@ -111,4 +111,4 @@ struct __old_kernel_stat {
 #endif
 };
 
-#endif /* ASM_X86__STAT_H */
+#endif /* _ASM_X86_STAT_H */
diff --git a/arch/x86/include/asm/statfs.h b/arch/x86/include/asm/statfs.h
index ca5dc19dd46..2d0adbf99a8 100644
--- a/arch/x86/include/asm/statfs.h
+++ b/arch/x86/include/asm/statfs.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__STATFS_H
-#define ASM_X86__STATFS_H
+#ifndef _ASM_X86_STATFS_H
+#define _ASM_X86_STATFS_H
 
 /*
  * We need compat_statfs64 to be packed, because the i386 ABI won't
@@ -9,4 +9,4 @@
 #define ARCH_PACK_COMPAT_STATFS64 __attribute__((packed,aligned(4)))
 
 #include <asm-generic/statfs.h>
-#endif /* ASM_X86__STATFS_H */
+#endif /* _ASM_X86_STATFS_H */
diff --git a/arch/x86/include/asm/string_32.h b/arch/x86/include/asm/string_32.h
index 487843ed245..0e0e3ba827f 100644
--- a/arch/x86/include/asm/string_32.h
+++ b/arch/x86/include/asm/string_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__STRING_32_H
-#define ASM_X86__STRING_32_H
+#ifndef _ASM_X86_STRING_32_H
+#define _ASM_X86_STRING_32_H
 
 #ifdef __KERNEL__
 
@@ -323,4 +323,4 @@ extern void *memscan(void *addr, int c, size_t size);
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__STRING_32_H */
+#endif /* _ASM_X86_STRING_32_H */
diff --git a/arch/x86/include/asm/string_64.h b/arch/x86/include/asm/string_64.h
index a2add11d3b6..2afe164bf1e 100644
--- a/arch/x86/include/asm/string_64.h
+++ b/arch/x86/include/asm/string_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__STRING_64_H
-#define ASM_X86__STRING_64_H
+#ifndef _ASM_X86_STRING_64_H
+#define _ASM_X86_STRING_64_H
 
 #ifdef __KERNEL__
 
@@ -57,4 +57,4 @@ int strcmp(const char *cs, const char *ct);
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__STRING_64_H */
+#endif /* _ASM_X86_STRING_64_H */
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h
index acb6d4d491f..a5074bd0f8b 100644
--- a/arch/x86/include/asm/suspend_32.h
+++ b/arch/x86/include/asm/suspend_32.h
@@ -3,8 +3,8 @@
  * Based on code
  * Copyright 2001 Patrick Mochel <mochel@osdl.org>
  */
-#ifndef ASM_X86__SUSPEND_32_H
-#define ASM_X86__SUSPEND_32_H
+#ifndef _ASM_X86_SUSPEND_32_H
+#define _ASM_X86_SUSPEND_32_H
 
 #include <asm/desc.h>
 #include <asm/i387.h>
@@ -48,4 +48,4 @@ static inline void acpi_save_register_state(unsigned long return_point)
 extern int acpi_save_state_mem(void);
 #endif
 
-#endif /* ASM_X86__SUSPEND_32_H */
+#endif /* _ASM_X86_SUSPEND_32_H */
diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h
index cf821dd310e..06284f42b75 100644
--- a/arch/x86/include/asm/suspend_64.h
+++ b/arch/x86/include/asm/suspend_64.h
@@ -3,8 +3,8 @@
  * Based on code
  * Copyright 2001 Patrick Mochel <mochel@osdl.org>
  */
-#ifndef ASM_X86__SUSPEND_64_H
-#define ASM_X86__SUSPEND_64_H
+#ifndef _ASM_X86_SUSPEND_64_H
+#define _ASM_X86_SUSPEND_64_H
 
 #include <asm/desc.h>
 #include <asm/i387.h>
@@ -49,4 +49,4 @@ extern int acpi_save_state_mem(void);
 extern char core_restore_code;
 extern char restore_registers;
 
-#endif /* ASM_X86__SUSPEND_64_H */
+#endif /* _ASM_X86_SUSPEND_64_H */
diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h
index 1e20adbcad4..51fb2c76ad7 100644
--- a/arch/x86/include/asm/swiotlb.h
+++ b/arch/x86/include/asm/swiotlb.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SWIOTLB_H
-#define ASM_X86__SWIOTLB_H
+#ifndef _ASM_X86_SWIOTLB_H
+#define _ASM_X86_SWIOTLB_H
 
 #include <asm/dma-mapping.h>
 
@@ -55,4 +55,4 @@ static inline void pci_swiotlb_init(void)
 
 static inline void dma_mark_clean(void *addr, size_t size) {}
 
-#endif /* ASM_X86__SWIOTLB_H */
+#endif /* _ASM_X86_SWIOTLB_H */
diff --git a/arch/x86/include/asm/sync_bitops.h b/arch/x86/include/asm/sync_bitops.h
index b689bee7110..9d09b4073b6 100644
--- a/arch/x86/include/asm/sync_bitops.h
+++ b/arch/x86/include/asm/sync_bitops.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SYNC_BITOPS_H
-#define ASM_X86__SYNC_BITOPS_H
+#ifndef _ASM_X86_SYNC_BITOPS_H
+#define _ASM_X86_SYNC_BITOPS_H
 
 /*
  * Copyright 1992, Linus Torvalds.
@@ -127,4 +127,4 @@ static inline int sync_test_and_change_bit(int nr, volatile unsigned long *addr)
 
 #undef ADDR
 
-#endif /* ASM_X86__SYNC_BITOPS_H */
+#endif /* _ASM_X86_SYNC_BITOPS_H */
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index b20c894660f..2ed3f0f44ff 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SYSTEM_H
-#define ASM_X86__SYSTEM_H
+#ifndef _ASM_X86_SYSTEM_H
+#define _ASM_X86_SYSTEM_H
 
 #include <asm/asm.h>
 #include <asm/segment.h>
@@ -422,4 +422,4 @@ static inline void rdtsc_barrier(void)
 	alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
 }
 
-#endif /* ASM_X86__SYSTEM_H */
+#endif /* _ASM_X86_SYSTEM_H */
diff --git a/arch/x86/include/asm/system_64.h b/arch/x86/include/asm/system_64.h
index 5aedb8bffc5..1159e091ad0 100644
--- a/arch/x86/include/asm/system_64.h
+++ b/arch/x86/include/asm/system_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__SYSTEM_64_H
-#define ASM_X86__SYSTEM_64_H
+#ifndef _ASM_X86_SYSTEM_64_H
+#define _ASM_X86_SYSTEM_64_H
 
 #include <asm/segment.h>
 #include <asm/cmpxchg.h>
@@ -19,4 +19,4 @@ static inline void write_cr8(unsigned long val)
 
 #include <linux/irqflags.h>
 
-#endif /* ASM_X86__SYSTEM_64_H */
+#endif /* _ASM_X86_SYSTEM_64_H */
diff --git a/arch/x86/include/asm/tce.h b/arch/x86/include/asm/tce.h
index e7932d7fbba..7a6677c1a71 100644
--- a/arch/x86/include/asm/tce.h
+++ b/arch/x86/include/asm/tce.h
@@ -21,8 +21,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-#ifndef ASM_X86__TCE_H
-#define ASM_X86__TCE_H
+#ifndef _ASM_X86_TCE_H
+#define _ASM_X86_TCE_H
 
 extern unsigned int specified_table_size;
 struct iommu_table;
@@ -45,4 +45,4 @@ extern void * __init alloc_tce_table(void);
 extern void __init free_tce_table(void *tbl);
 extern int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar);
 
-#endif /* ASM_X86__TCE_H */
+#endif /* _ASM_X86_TCE_H */
diff --git a/arch/x86/include/asm/termbits.h b/arch/x86/include/asm/termbits.h
index 3d00dc5e0c7..af1b70ea440 100644
--- a/arch/x86/include/asm/termbits.h
+++ b/arch/x86/include/asm/termbits.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TERMBITS_H
-#define ASM_X86__TERMBITS_H
+#ifndef _ASM_X86_TERMBITS_H
+#define _ASM_X86_TERMBITS_H
 
 #include <linux/posix_types.h>
 
@@ -195,4 +195,4 @@ struct ktermios {
 #define	TCSADRAIN	1
 #define	TCSAFLUSH	2
 
-#endif /* ASM_X86__TERMBITS_H */
+#endif /* _ASM_X86_TERMBITS_H */
diff --git a/arch/x86/include/asm/termios.h b/arch/x86/include/asm/termios.h
index e235db24807..f72956331c4 100644
--- a/arch/x86/include/asm/termios.h
+++ b/arch/x86/include/asm/termios.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TERMIOS_H
-#define ASM_X86__TERMIOS_H
+#ifndef _ASM_X86_TERMIOS_H
+#define _ASM_X86_TERMIOS_H
 
 #include <asm/termbits.h>
 #include <asm/ioctls.h>
@@ -110,4 +110,4 @@ static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
 
 #endif	/* __KERNEL__ */
 
-#endif /* ASM_X86__TERMIOS_H */
+#endif /* _ASM_X86_TERMIOS_H */
diff --git a/arch/x86/include/asm/therm_throt.h b/arch/x86/include/asm/therm_throt.h
index 1c7f57b6b66..c62349ee786 100644
--- a/arch/x86/include/asm/therm_throt.h
+++ b/arch/x86/include/asm/therm_throt.h
@@ -1,9 +1,9 @@
-#ifndef ASM_X86__THERM_THROT_H
-#define ASM_X86__THERM_THROT_H
+#ifndef _ASM_X86_THERM_THROT_H
+#define _ASM_X86_THERM_THROT_H
 
 #include <asm/atomic.h>
 
 extern atomic_t therm_throt_en;
 int therm_throt_process(int curr);
 
-#endif /* ASM_X86__THERM_THROT_H */
+#endif /* _ASM_X86_THERM_THROT_H */
diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 3f4e52bb77f..e44d379faad 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -4,8 +4,8 @@
  * - Incorporating suggestions made by Linus Torvalds and Dave Miller
  */
 
-#ifndef ASM_X86__THREAD_INFO_H
-#define ASM_X86__THREAD_INFO_H
+#ifndef _ASM_X86_THREAD_INFO_H
+#define _ASM_X86_THREAD_INFO_H
 
 #include <linux/compiler.h>
 #include <asm/page.h>
@@ -261,4 +261,4 @@ extern void free_thread_info(struct thread_info *ti);
 extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 #define arch_task_cache_init arch_task_cache_init
 #endif
-#endif /* ASM_X86__THREAD_INFO_H */
+#endif /* _ASM_X86_THREAD_INFO_H */
diff --git a/arch/x86/include/asm/time.h b/arch/x86/include/asm/time.h
index 3e724eef7ac..50c733aac42 100644
--- a/arch/x86/include/asm/time.h
+++ b/arch/x86/include/asm/time.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TIME_H
-#define ASM_X86__TIME_H
+#ifndef _ASM_X86_TIME_H
+#define _ASM_X86_TIME_H
 
 extern void hpet_time_init(void);
 
@@ -60,4 +60,4 @@ extern void time_init(void);
 
 extern unsigned long __init calibrate_cpu(void);
 
-#endif /* ASM_X86__TIME_H */
+#endif /* _ASM_X86_TIME_H */
diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h
index d0babce4b47..2bb6a835c45 100644
--- a/arch/x86/include/asm/timer.h
+++ b/arch/x86/include/asm/timer.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TIMER_H
-#define ASM_X86__TIMER_H
+#ifndef _ASM_X86_TIMER_H
+#define _ASM_X86_TIMER_H
 #include <linux/init.h>
 #include <linux/pm.h>
 #include <linux/percpu.h>
@@ -63,4 +63,4 @@ static inline unsigned long long cycles_2_ns(unsigned long long cyc)
 	return ns;
 }
 
-#endif /* ASM_X86__TIMER_H */
+#endif /* _ASM_X86_TIMER_H */
diff --git a/arch/x86/include/asm/timex.h b/arch/x86/include/asm/timex.h
index d1ce2416a5d..1287dc1347d 100644
--- a/arch/x86/include/asm/timex.h
+++ b/arch/x86/include/asm/timex.h
@@ -1,6 +1,6 @@
 /* x86 architecture timex specifications */
-#ifndef ASM_X86__TIMEX_H
-#define ASM_X86__TIMEX_H
+#ifndef _ASM_X86_TIMEX_H
+#define _ASM_X86_TIMEX_H
 
 #include <asm/processor.h>
 #include <asm/tsc.h>
@@ -16,4 +16,4 @@
 
 #define ARCH_HAS_READ_CURRENT_TIMER
 
-#endif /* ASM_X86__TIMEX_H */
+#endif /* _ASM_X86_TIMEX_H */
diff --git a/arch/x86/include/asm/tlb.h b/arch/x86/include/asm/tlb.h
index db36e9e89e8..829215fef9e 100644
--- a/arch/x86/include/asm/tlb.h
+++ b/arch/x86/include/asm/tlb.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TLB_H
-#define ASM_X86__TLB_H
+#ifndef _ASM_X86_TLB_H
+#define _ASM_X86_TLB_H
 
 #define tlb_start_vma(tlb, vma) do { } while (0)
 #define tlb_end_vma(tlb, vma) do { } while (0)
@@ -8,4 +8,4 @@
 
 #include <asm-generic/tlb.h>
 
-#endif /* ASM_X86__TLB_H */
+#endif /* _ASM_X86_TLB_H */
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index 3cdd08b5bdb..0e7bbb54911 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TLBFLUSH_H
-#define ASM_X86__TLBFLUSH_H
+#ifndef _ASM_X86_TLBFLUSH_H
+#define _ASM_X86_TLBFLUSH_H
 
 #include <linux/mm.h>
 #include <linux/sched.h>
@@ -175,4 +175,4 @@ static inline void flush_tlb_kernel_range(unsigned long start,
 	flush_tlb_all();
 }
 
-#endif /* ASM_X86__TLBFLUSH_H */
+#endif /* _ASM_X86_TLBFLUSH_H */
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 7eca9bc022b..90ac7718469 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -22,8 +22,8 @@
  *
  * Send feedback to <colpatch@us.ibm.com>
  */
-#ifndef ASM_X86__TOPOLOGY_H
-#define ASM_X86__TOPOLOGY_H
+#ifndef _ASM_X86_TOPOLOGY_H
+#define _ASM_X86_TOPOLOGY_H
 
 #ifdef CONFIG_X86_32
 # ifdef CONFIG_X86_HT
@@ -255,4 +255,4 @@ static inline void set_mp_bus_to_node(int busnum, int node)
 }
 #endif
 
-#endif /* ASM_X86__TOPOLOGY_H */
+#endif /* _ASM_X86_TOPOLOGY_H */
diff --git a/arch/x86/include/asm/trampoline.h b/arch/x86/include/asm/trampoline.h
index 0406bbd898a..fa0d79facdb 100644
--- a/arch/x86/include/asm/trampoline.h
+++ b/arch/x86/include/asm/trampoline.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TRAMPOLINE_H
-#define ASM_X86__TRAMPOLINE_H
+#ifndef _ASM_X86_TRAMPOLINE_H
+#define _ASM_X86_TRAMPOLINE_H
 
 #ifndef __ASSEMBLY__
 
@@ -18,4 +18,4 @@ extern unsigned long setup_trampoline(void);
 
 #endif /* __ASSEMBLY__ */
 
-#endif /* ASM_X86__TRAMPOLINE_H */
+#endif /* _ASM_X86_TRAMPOLINE_H */
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 6c3dc2c6575..45dee286e45 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TRAPS_H
-#define ASM_X86__TRAPS_H
+#ifndef _ASM_X86_TRAPS_H
+#define _ASM_X86_TRAPS_H
 
 #include <asm/debugreg.h>
 
@@ -78,4 +78,4 @@ unsigned long patch_espfix_desc(unsigned long, unsigned long);
 asmlinkage void math_emulate(long);
 #endif
 
-#endif /* ASM_X86__TRAPS_H */
+#endif /* _ASM_X86_TRAPS_H */
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index ad0f5c41e78..38ae163cc91 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -1,8 +1,8 @@
 /*
  * x86 TSC related functions
  */
-#ifndef ASM_X86__TSC_H
-#define ASM_X86__TSC_H
+#ifndef _ASM_X86_TSC_H
+#define _ASM_X86_TSC_H
 
 #include <asm/processor.h>
 
@@ -59,4 +59,4 @@ extern void check_tsc_sync_target(void);
 
 extern int notsc_setup(char *);
 
-#endif /* ASM_X86__TSC_H */
+#endif /* _ASM_X86_TSC_H */
diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h
index e78b52e1744..e6f73632007 100644
--- a/arch/x86/include/asm/types.h
+++ b/arch/x86/include/asm/types.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__TYPES_H
-#define ASM_X86__TYPES_H
+#ifndef _ASM_X86_TYPES_H
+#define _ASM_X86_TYPES_H
 
 #include <asm-generic/int-ll64.h>
 
@@ -33,4 +33,4 @@ typedef u32 dma_addr_t;
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__TYPES_H */
+#endif /* _ASM_X86_TYPES_H */
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 48ebc0ad40e..35c54921b2e 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UACCESS_H
-#define ASM_X86__UACCESS_H
+#ifndef _ASM_X86_UACCESS_H
+#define _ASM_X86_UACCESS_H
 /*
  * User space memory access functions
  */
@@ -450,5 +450,5 @@ extern struct movsl_mask {
 # include "uaccess_64.h"
 #endif
 
-#endif /* ASM_X86__UACCESS_H */
+#endif /* _ASM_X86_UACCESS_H */
 
diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h
index 6b5b57d9c6d..d095a3aeea1 100644
--- a/arch/x86/include/asm/uaccess_32.h
+++ b/arch/x86/include/asm/uaccess_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UACCESS_32_H
-#define ASM_X86__UACCESS_32_H
+#ifndef _ASM_X86_UACCESS_32_H
+#define _ASM_X86_UACCESS_32_H
 
 /*
  * User space memory access functions
@@ -215,4 +215,4 @@ long strnlen_user(const char __user *str, long n);
 unsigned long __must_check clear_user(void __user *mem, unsigned long len);
 unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
 
-#endif /* ASM_X86__UACCESS_32_H */
+#endif /* _ASM_X86_UACCESS_32_H */
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index c96c1f5d07a..664f15280f1 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UACCESS_64_H
-#define ASM_X86__UACCESS_64_H
+#ifndef _ASM_X86_UACCESS_64_H
+#define _ASM_X86_UACCESS_64_H
 
 /*
  * User space memory access functions
@@ -199,4 +199,4 @@ static inline int __copy_from_user_inatomic_nocache(void *dst,
 unsigned long
 copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest);
 
-#endif /* ASM_X86__UACCESS_64_H */
+#endif /* _ASM_X86_UACCESS_64_H */
diff --git a/arch/x86/include/asm/ucontext.h b/arch/x86/include/asm/ucontext.h
index 89eaa5456a7..87324cf439d 100644
--- a/arch/x86/include/asm/ucontext.h
+++ b/arch/x86/include/asm/ucontext.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UCONTEXT_H
-#define ASM_X86__UCONTEXT_H
+#ifndef _ASM_X86_UCONTEXT_H
+#define _ASM_X86_UCONTEXT_H
 
 #define UC_FP_XSTATE	0x1	/* indicates the presence of extended state
 				 * information in the memory layout pointed
@@ -15,4 +15,4 @@ struct ucontext {
 	sigset_t	  uc_sigmask;	/* mask last for extensibility */
 };
 
-#endif /* ASM_X86__UCONTEXT_H */
+#endif /* _ASM_X86_UCONTEXT_H */
diff --git a/arch/x86/include/asm/unaligned.h b/arch/x86/include/asm/unaligned.h
index 59dcdec3716..a7bd416b476 100644
--- a/arch/x86/include/asm/unaligned.h
+++ b/arch/x86/include/asm/unaligned.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UNALIGNED_H
-#define ASM_X86__UNALIGNED_H
+#ifndef _ASM_X86_UNALIGNED_H
+#define _ASM_X86_UNALIGNED_H
 
 /*
  * The x86 can do unaligned accesses itself.
@@ -11,4 +11,4 @@
 #define get_unaligned __get_unaligned_le
 #define put_unaligned __put_unaligned_le
 
-#endif /* ASM_X86__UNALIGNED_H */
+#endif /* _ASM_X86_UNALIGNED_H */
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 017f4a87c91..f2bba78430a 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UNISTD_32_H
-#define ASM_X86__UNISTD_32_H
+#ifndef _ASM_X86_UNISTD_32_H
+#define _ASM_X86_UNISTD_32_H
 
 /*
  * This file contains the system call numbers.
@@ -376,4 +376,4 @@
 #endif
 
 #endif /* __KERNEL__ */
-#endif /* ASM_X86__UNISTD_32_H */
+#endif /* _ASM_X86_UNISTD_32_H */
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index ace83f1f678..834b2c1d89f 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UNISTD_64_H
-#define ASM_X86__UNISTD_64_H
+#ifndef _ASM_X86_UNISTD_64_H
+#define _ASM_X86_UNISTD_64_H
 
 #ifndef __SYSCALL
 #define __SYSCALL(a, b)
@@ -690,4 +690,4 @@ __SYSCALL(__NR_inotify_init1, sys_inotify_init1)
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 #endif	/* __KERNEL__ */
 
-#endif /* ASM_X86__UNISTD_64_H */
+#endif /* _ASM_X86_UNISTD_64_H */
diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h
index a2151567db4..8b064bd9c55 100644
--- a/arch/x86/include/asm/unwind.h
+++ b/arch/x86/include/asm/unwind.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UNWIND_H
-#define ASM_X86__UNWIND_H
+#ifndef _ASM_X86_UNWIND_H
+#define _ASM_X86_UNWIND_H
 
 #define UNW_PC(frame) ((void)(frame), 0UL)
 #define UNW_SP(frame) ((void)(frame), 0UL)
@@ -10,4 +10,4 @@ static inline int arch_unw_user_mode(const void *info)
 	return 0;
 }
 
-#endif /* ASM_X86__UNWIND_H */
+#endif /* _ASM_X86_UNWIND_H */
diff --git a/arch/x86/include/asm/user32.h b/arch/x86/include/asm/user32.h
index aa66c1857f0..14cbb73ebcb 100644
--- a/arch/x86/include/asm/user32.h
+++ b/arch/x86/include/asm/user32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__USER32_H
-#define ASM_X86__USER32_H
+#ifndef _ASM_X86_USER32_H
+#define _ASM_X86_USER32_H
 
 /* IA32 compatible user structures for ptrace.
  * These should be used for 32bit coredumps too. */
@@ -67,4 +67,4 @@ struct user32 {
 };
 
 
-#endif /* ASM_X86__USER32_H */
+#endif /* _ASM_X86_USER32_H */
diff --git a/arch/x86/include/asm/user_32.h b/arch/x86/include/asm/user_32.h
index e0fe2f55f1a..bebfd864401 100644
--- a/arch/x86/include/asm/user_32.h
+++ b/arch/x86/include/asm/user_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__USER_32_H
-#define ASM_X86__USER_32_H
+#ifndef _ASM_X86_USER_32_H
+#define _ASM_X86_USER_32_H
 
 #include <asm/page.h>
 /* Core file format: The core file is written in such a way that gdb
@@ -128,4 +128,4 @@ struct user{
 #define HOST_TEXT_START_ADDR (u.start_code)
 #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
 
-#endif /* ASM_X86__USER_32_H */
+#endif /* _ASM_X86_USER_32_H */
diff --git a/arch/x86/include/asm/user_64.h b/arch/x86/include/asm/user_64.h
index 38b5799863b..faf2cd3e0d7 100644
--- a/arch/x86/include/asm/user_64.h
+++ b/arch/x86/include/asm/user_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__USER_64_H
-#define ASM_X86__USER_64_H
+#ifndef _ASM_X86_USER_64_H
+#define _ASM_X86_USER_64_H
 
 #include <asm/types.h>
 #include <asm/page.h>
@@ -134,4 +134,4 @@ struct user {
 #define HOST_TEXT_START_ADDR (u.start_code)
 #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
 
-#endif /* ASM_X86__USER_64_H */
+#endif /* _ASM_X86_USER_64_H */
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index 215f1969c26..28364396cf6 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__UV__BIOS_H
-#define ASM_X86__UV__BIOS_H
+#ifndef _ASM_X86_UV__BIOS_H
+#define _ASM_X86_UV__BIOS_H
 
 /*
  * UV BIOS layer definitions.
@@ -91,4 +91,4 @@ extern long uv_region_size;
 
 extern struct kobject *sgi_uv_kobj;	/* /sys/firmware/sgi_uv */
 
-#endif /* ASM_X86__UV__BIOS_H */
+#endif /* _ASM_X86_UV__BIOS_H */
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index 77153fb18f5..4d632fdd344 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef ASM_X86__UV__UV_BAU_H
-#define ASM_X86__UV__UV_BAU_H
+#ifndef _ASM_X86_UV__UV_BAU_H
+#define _ASM_X86_UV__UV_BAU_H
 
 #include <linux/bitmap.h>
 #define BITSPERBYTE 8
@@ -329,4 +329,4 @@ extern int uv_flush_tlb_others(cpumask_t *, struct mm_struct *, unsigned long);
 extern void uv_bau_message_intr1(void);
 extern void uv_bau_timeout_intr1(void);
 
-#endif /* ASM_X86__UV__UV_BAU_H */
+#endif /* _ASM_X86_UV__UV_BAU_H */
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index bdb5b01afbf..126fafa13d5 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef ASM_X86__UV__UV_HUB_H
-#define ASM_X86__UV__UV_HUB_H
+#ifndef _ASM_X86_UV__UV_HUB_H
+#define _ASM_X86_UV__UV_HUB_H
 
 #include <linux/numa.h>
 #include <linux/percpu.h>
@@ -350,5 +350,5 @@ static inline int uv_num_possible_blades(void)
 	return uv_possible_blades;
 }
 
-#endif /* ASM_X86__UV__UV_HUB_H */
+#endif /* _ASM_X86_UV__UV_HUB_H */
 
diff --git a/arch/x86/include/asm/uv/uv_irq.h b/arch/x86/include/asm/uv/uv_irq.h
index 8bf5f32da9c..8502826dce2 100644
--- a/arch/x86/include/asm/uv/uv_irq.h
+++ b/arch/x86/include/asm/uv/uv_irq.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef ASM_X86__UV__UV_IRQ_H
-#define ASM_X86__UV__UV_IRQ_H
+#ifndef _ASM_X86_UV__UV_IRQ_H
+#define _ASM_X86_UV__UV_IRQ_H
 
 /* If a generic version of this structure gets defined, eliminate this one. */
 struct uv_IO_APIC_route_entry {
@@ -33,4 +33,4 @@ extern void arch_disable_uv_irq(int, unsigned long);
 extern int uv_setup_irq(char *, int, int, unsigned long);
 extern void uv_teardown_irq(unsigned int, int, unsigned long);
 
-#endif /* ASM_X86__UV__UV_IRQ_H */
+#endif /* _ASM_X86_UV__UV_IRQ_H */
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index 8b03d89d245..9ce9ba57f01 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef ASM_X86__UV__UV_MMRS_H
-#define ASM_X86__UV__UV_MMRS_H
+#ifndef _ASM_X86_UV__UV_MMRS_H
+#define _ASM_X86_UV__UV_MMRS_H
 
 #define UV_MMR_ENABLE		(1UL << 63)
 
@@ -1292,4 +1292,4 @@ union uvh_si_alias2_overlay_config_u {
 };
 
 
-#endif /* ASM_X86__UV__UV_MMRS_H */
+#endif /* _ASM_X86_UV__UV_MMRS_H */
diff --git a/arch/x86/include/asm/vdso.h b/arch/x86/include/asm/vdso.h
index 4ab320913ea..9064052b73d 100644
--- a/arch/x86/include/asm/vdso.h
+++ b/arch/x86/include/asm/vdso.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__VDSO_H
-#define ASM_X86__VDSO_H
+#ifndef _ASM_X86_VDSO_H
+#define _ASM_X86_VDSO_H
 
 #ifdef CONFIG_X86_64
 extern const char VDSO64_PRELINK[];
@@ -44,4 +44,4 @@ extern const char vdso32_int80_start, vdso32_int80_end;
 extern const char vdso32_syscall_start, vdso32_syscall_end;
 extern const char vdso32_sysenter_start, vdso32_sysenter_end;
 
-#endif /* ASM_X86__VDSO_H */
+#endif /* _ASM_X86_VDSO_H */
diff --git a/arch/x86/include/asm/vga.h b/arch/x86/include/asm/vga.h
index b9e493d07d0..c4b9dc2f67c 100644
--- a/arch/x86/include/asm/vga.h
+++ b/arch/x86/include/asm/vga.h
@@ -4,8 +4,8 @@
  *	(c) 1998 Martin Mares <mj@ucw.cz>
  */
 
-#ifndef ASM_X86__VGA_H
-#define ASM_X86__VGA_H
+#ifndef _ASM_X86_VGA_H
+#define _ASM_X86_VGA_H
 
 /*
  *	On the PC, we can just recalculate addresses and then
@@ -17,4 +17,4 @@
 #define vga_readb(x) (*(x))
 #define vga_writeb(x, y) (*(y) = (x))
 
-#endif /* ASM_X86__VGA_H */
+#endif /* _ASM_X86_VGA_H */
diff --git a/arch/x86/include/asm/vgtod.h b/arch/x86/include/asm/vgtod.h
index 38fd1336402..dc27a69e5d2 100644
--- a/arch/x86/include/asm/vgtod.h
+++ b/arch/x86/include/asm/vgtod.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__VGTOD_H
-#define ASM_X86__VGTOD_H
+#ifndef _ASM_X86_VGTOD_H
+#define _ASM_X86_VGTOD_H
 
 #include <asm/vsyscall.h>
 #include <linux/clocksource.h>
@@ -26,4 +26,4 @@ extern struct vsyscall_gtod_data __vsyscall_gtod_data
 __section_vsyscall_gtod_data;
 extern struct vsyscall_gtod_data vsyscall_gtod_data;
 
-#endif /* ASM_X86__VGTOD_H */
+#endif /* _ASM_X86_VGTOD_H */
diff --git a/arch/x86/include/asm/visws/cobalt.h b/arch/x86/include/asm/visws/cobalt.h
index 9627a8fe84e..0cc20f3ad71 100644
--- a/arch/x86/include/asm/visws/cobalt.h
+++ b/arch/x86/include/asm/visws/cobalt.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__VISWS__COBALT_H
-#define ASM_X86__VISWS__COBALT_H
+#ifndef _ASM_X86_VISWS__COBALT_H
+#define _ASM_X86_VISWS__COBALT_H
 
 #include <asm/fixmap.h>
 
@@ -122,4 +122,4 @@ extern char visws_board_type;
 
 extern char visws_board_rev;
 
-#endif /* ASM_X86__VISWS__COBALT_H */
+#endif /* _ASM_X86_VISWS__COBALT_H */
diff --git a/arch/x86/include/asm/visws/lithium.h b/arch/x86/include/asm/visws/lithium.h
index b36d3b378c6..1163e518b61 100644
--- a/arch/x86/include/asm/visws/lithium.h
+++ b/arch/x86/include/asm/visws/lithium.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__VISWS__LITHIUM_H
-#define ASM_X86__VISWS__LITHIUM_H
+#ifndef _ASM_X86_VISWS__LITHIUM_H
+#define _ASM_X86_VISWS__LITHIUM_H
 
 #include <asm/fixmap.h>
 
@@ -49,5 +49,5 @@ static inline unsigned short li_pcib_read16(unsigned long reg)
 	return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
 }
 
-#endif /* ASM_X86__VISWS__LITHIUM_H */
+#endif /* _ASM_X86_VISWS__LITHIUM_H */
 
diff --git a/arch/x86/include/asm/visws/piix4.h b/arch/x86/include/asm/visws/piix4.h
index 61c938045ec..80d376ef888 100644
--- a/arch/x86/include/asm/visws/piix4.h
+++ b/arch/x86/include/asm/visws/piix4.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__VISWS__PIIX4_H
-#define ASM_X86__VISWS__PIIX4_H
+#ifndef _ASM_X86_VISWS__PIIX4_H
+#define _ASM_X86_VISWS__PIIX4_H
 
 /*
  * PIIX4 as used on SGI Visual Workstations
@@ -104,4 +104,4 @@
  */
 #define	PIIX_GPI_STPCLK		0x4	// STPCLK signal routed back in
 
-#endif /* ASM_X86__VISWS__PIIX4_H */
+#endif /* _ASM_X86_VISWS__PIIX4_H */
diff --git a/arch/x86/include/asm/vm86.h b/arch/x86/include/asm/vm86.h
index 998bd18eb73..f9303602fbc 100644
--- a/arch/x86/include/asm/vm86.h
+++ b/arch/x86/include/asm/vm86.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__VM86_H
-#define ASM_X86__VM86_H
+#ifndef _ASM_X86_VM86_H
+#define _ASM_X86_VM86_H
 
 /*
  * I'm guessing at the VIF/VIP flag usage, but hope that this is how
@@ -205,4 +205,4 @@ static inline int handle_vm86_trap(struct kernel_vm86_regs *a, long b, int c)
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__VM86_H */
+#endif /* _ASM_X86_VM86_H */
diff --git a/arch/x86/include/asm/vmi_time.h b/arch/x86/include/asm/vmi_time.h
index b2d39e6a08b..c6e0bee93e3 100644
--- a/arch/x86/include/asm/vmi_time.h
+++ b/arch/x86/include/asm/vmi_time.h
@@ -22,8 +22,8 @@
  *
  */
 
-#ifndef ASM_X86__VMI_TIME_H
-#define ASM_X86__VMI_TIME_H
+#ifndef _ASM_X86_VMI_TIME_H
+#define _ASM_X86_VMI_TIME_H
 
 /*
  * Raw VMI call indices for timer functions
@@ -95,4 +95,4 @@ extern void __devinit vmi_time_ap_init(void);
 
 #define CONFIG_VMI_ALARM_HZ	100
 
-#endif /* ASM_X86__VMI_TIME_H */
+#endif /* _ASM_X86_VMI_TIME_H */
diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index dcd4682413d..d0983d255fb 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__VSYSCALL_H
-#define ASM_X86__VSYSCALL_H
+#ifndef _ASM_X86_VSYSCALL_H
+#define _ASM_X86_VSYSCALL_H
 
 enum vsyscall_num {
 	__NR_vgettimeofday,
@@ -41,4 +41,4 @@ extern void map_vsyscall(void);
 
 #endif /* __KERNEL__ */
 
-#endif /* ASM_X86__VSYSCALL_H */
+#endif /* _ASM_X86_VSYSCALL_H */
diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h
index 8151f5b8b6c..ae3c9ada14b 100644
--- a/arch/x86/include/asm/xen/events.h
+++ b/arch/x86/include/asm/xen/events.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__XEN__EVENTS_H
-#define ASM_X86__XEN__EVENTS_H
+#ifndef _ASM_X86_XEN__EVENTS_H
+#define _ASM_X86_XEN__EVENTS_H
 
 enum ipi_vector {
 	XEN_RESCHEDULE_VECTOR,
@@ -21,4 +21,4 @@ static inline void xen_do_IRQ(int irq, struct pt_regs *regs)
 	do_IRQ(regs);
 }
 
-#endif /* ASM_X86__XEN__EVENTS_H */
+#endif /* _ASM_X86_XEN__EVENTS_H */
diff --git a/arch/x86/include/asm/xen/grant_table.h b/arch/x86/include/asm/xen/grant_table.h
index c4baab4d2b6..6d55da98725 100644
--- a/arch/x86/include/asm/xen/grant_table.h
+++ b/arch/x86/include/asm/xen/grant_table.h
@@ -1,7 +1,7 @@
-#ifndef ASM_X86__XEN__GRANT_TABLE_H
-#define ASM_X86__XEN__GRANT_TABLE_H
+#ifndef _ASM_X86_XEN__GRANT_TABLE_H
+#define _ASM_X86_XEN__GRANT_TABLE_H
 
 #define xen_alloc_vm_area(size)	alloc_vm_area(size)
 #define xen_free_vm_area(area)	free_vm_area(area)
 
-#endif /* ASM_X86__XEN__GRANT_TABLE_H */
+#endif /* _ASM_X86_XEN__GRANT_TABLE_H */
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 44f4259bee3..7c1192ad790 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -30,8 +30,8 @@
  * IN THE SOFTWARE.
  */
 
-#ifndef ASM_X86__XEN__HYPERCALL_H
-#define ASM_X86__XEN__HYPERCALL_H
+#ifndef _ASM_X86_XEN__HYPERCALL_H
+#define _ASM_X86_XEN__HYPERCALL_H
 
 #include <linux/errno.h>
 #include <linux/string.h>
@@ -524,4 +524,4 @@ MULTI_stack_switch(struct multicall_entry *mcl,
 	mcl->args[1] = esp;
 }
 
-#endif /* ASM_X86__XEN__HYPERCALL_H */
+#endif /* _ASM_X86_XEN__HYPERCALL_H */
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index 445a2475956..ff60551a67b 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -30,8 +30,8 @@
  * IN THE SOFTWARE.
  */
 
-#ifndef ASM_X86__XEN__HYPERVISOR_H
-#define ASM_X86__XEN__HYPERVISOR_H
+#ifndef _ASM_X86_XEN__HYPERVISOR_H
+#define _ASM_X86_XEN__HYPERVISOR_H
 
 #include <linux/types.h>
 #include <linux/kernel.h>
@@ -79,4 +79,4 @@ extern enum xen_domain_type xen_domain_type;
 #define xen_initial_domain()	(xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN)
 #define xen_hvm_domain()	(xen_domain_type == XEN_HVM_DOMAIN)
 
-#endif /* ASM_X86__XEN__HYPERVISOR_H */
+#endif /* _ASM_X86_XEN__HYPERVISOR_H */
diff --git a/arch/x86/include/asm/xen/interface.h b/arch/x86/include/asm/xen/interface.h
index d077bba96da..6cfc896e335 100644
--- a/arch/x86/include/asm/xen/interface.h
+++ b/arch/x86/include/asm/xen/interface.h
@@ -6,8 +6,8 @@
  * Copyright (c) 2004, K A Fraser
  */
 
-#ifndef ASM_X86__XEN__INTERFACE_H
-#define ASM_X86__XEN__INTERFACE_H
+#ifndef _ASM_X86_XEN__INTERFACE_H
+#define _ASM_X86_XEN__INTERFACE_H
 
 #ifdef __XEN__
 #define __DEFINE_GUEST_HANDLE(name, type) \
@@ -172,4 +172,4 @@ DEFINE_GUEST_HANDLE_STRUCT(vcpu_guest_context);
 #define XEN_CPUID          XEN_EMULATE_PREFIX "cpuid"
 #endif
 
-#endif /* ASM_X86__XEN__INTERFACE_H */
+#endif /* _ASM_X86_XEN__INTERFACE_H */
diff --git a/arch/x86/include/asm/xen/interface_32.h b/arch/x86/include/asm/xen/interface_32.h
index 08167e19fc6..a5377d4a8b7 100644
--- a/arch/x86/include/asm/xen/interface_32.h
+++ b/arch/x86/include/asm/xen/interface_32.h
@@ -6,8 +6,8 @@
  * Copyright (c) 2004, K A Fraser
  */
 
-#ifndef ASM_X86__XEN__INTERFACE_32_H
-#define ASM_X86__XEN__INTERFACE_32_H
+#ifndef _ASM_X86_XEN__INTERFACE_32_H
+#define _ASM_X86_XEN__INTERFACE_32_H
 
 
 /*
@@ -94,4 +94,4 @@ typedef struct xen_callback xen_callback_t;
 #define xen_pfn_to_cr3(pfn) (((unsigned)(pfn) << 12) | ((unsigned)(pfn) >> 20))
 #define xen_cr3_to_pfn(cr3) (((unsigned)(cr3) >> 12) | ((unsigned)(cr3) << 20))
 
-#endif /* ASM_X86__XEN__INTERFACE_32_H */
+#endif /* _ASM_X86_XEN__INTERFACE_32_H */
diff --git a/arch/x86/include/asm/xen/interface_64.h b/arch/x86/include/asm/xen/interface_64.h
index 046c0f1e01d..21373e7a7dd 100644
--- a/arch/x86/include/asm/xen/interface_64.h
+++ b/arch/x86/include/asm/xen/interface_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__XEN__INTERFACE_64_H
-#define ASM_X86__XEN__INTERFACE_64_H
+#ifndef _ASM_X86_XEN__INTERFACE_64_H
+#define _ASM_X86_XEN__INTERFACE_64_H
 
 /*
  * 64-bit segment selectors
@@ -156,4 +156,4 @@ typedef unsigned long xen_callback_t;
 #endif /* !__ASSEMBLY__ */
 
 
-#endif /* ASM_X86__XEN__INTERFACE_64_H */
+#endif /* _ASM_X86_XEN__INTERFACE_64_H */
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index d5eada0a48d..4f483e4fcab 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__XEN__PAGE_H
-#define ASM_X86__XEN__PAGE_H
+#ifndef _ASM_X86_XEN__PAGE_H
+#define _ASM_X86_XEN__PAGE_H
 
 #include <linux/pfn.h>
 
@@ -162,4 +162,4 @@ xmaddr_t arbitrary_virt_to_machine(void *address);
 void make_lowmem_page_readonly(void *vaddr);
 void make_lowmem_page_readwrite(void *vaddr);
 
-#endif /* ASM_X86__XEN__PAGE_H */
+#endif /* _ASM_X86_XEN__PAGE_H */
diff --git a/arch/x86/include/asm/xor_32.h b/arch/x86/include/asm/xor_32.h
index 921b4584044..133b40a0f49 100644
--- a/arch/x86/include/asm/xor_32.h
+++ b/arch/x86/include/asm/xor_32.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__XOR_32_H
-#define ASM_X86__XOR_32_H
+#ifndef _ASM_X86_XOR_32_H
+#define _ASM_X86_XOR_32_H
 
 /*
  * Optimized RAID-5 checksumming functions for MMX and SSE.
@@ -885,4 +885,4 @@ do {							\
 #define XOR_SELECT_TEMPLATE(FASTEST)			\
 	(cpu_has_xmm ? &xor_block_pIII_sse : FASTEST)
 
-#endif /* ASM_X86__XOR_32_H */
+#endif /* _ASM_X86_XOR_32_H */
diff --git a/arch/x86/include/asm/xor_64.h b/arch/x86/include/asm/xor_64.h
index 2d3a18de295..1549b5e261f 100644
--- a/arch/x86/include/asm/xor_64.h
+++ b/arch/x86/include/asm/xor_64.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86__XOR_64_H
-#define ASM_X86__XOR_64_H
+#ifndef _ASM_X86_XOR_64_H
+#define _ASM_X86_XOR_64_H
 
 /*
  * Optimized RAID-5 checksumming functions for MMX and SSE.
@@ -358,4 +358,4 @@ do {						\
    deals with a load to a line that is being prefetched.  */
 #define XOR_SELECT_TEMPLATE(FASTEST) (&xor_block_sse)
 
-#endif /* ASM_X86__XOR_64_H */
+#endif /* _ASM_X86_XOR_64_H */
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 505543a75a5..7fcf63d22f8 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -22,7 +22,7 @@
 
 #define __NO_STUBS 1
 #undef __SYSCALL
-#undef ASM_X86__UNISTD_64_H
+#undef _ASM_X86_UNISTD_64_H
 #define __SYSCALL(nr, sym) [nr] = 1,
 static char syscalls[] = {
 #include <asm/unistd.h>
diff --git a/arch/x86/kernel/syscall_64.c b/arch/x86/kernel/syscall_64.c
index 3d1be4f0fac..de87d600829 100644
--- a/arch/x86/kernel/syscall_64.c
+++ b/arch/x86/kernel/syscall_64.c
@@ -8,12 +8,12 @@
 #define __NO_STUBS
 
 #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ;
-#undef ASM_X86__UNISTD_64_H
+#undef _ASM_X86_UNISTD_64_H
 #include <asm/unistd_64.h>
 
 #undef __SYSCALL
 #define __SYSCALL(nr, sym) [nr] = sym,
-#undef ASM_X86__UNISTD_64_H
+#undef _ASM_X86_UNISTD_64_H
 
 typedef void (*sys_call_ptr_t)(void);
 
-- 
GitLab


From 05e4d3169bd16229d84a2ef095e1ba2cd3873baa Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Thu, 23 Oct 2008 00:01:39 -0700
Subject: [PATCH 2067/2224] x86: drop double underscores from header guards

Drop double underscores from header guards in arch/x86/include.  They
are used inconsistently, and are not necessary.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/x86/include/asm/mach-default/apm.h          | 6 +++---
 arch/x86/include/asm/mach-default/mach_apic.h    | 6 +++---
 arch/x86/include/asm/mach-default/mach_apicdef.h | 6 +++---
 arch/x86/include/asm/mach-default/mach_ipi.h     | 6 +++---
 arch/x86/include/asm/mach-default/mach_mpparse.h | 6 +++---
 arch/x86/include/asm/mach-default/mach_mpspec.h  | 6 +++---
 arch/x86/include/asm/mach-default/mach_timer.h   | 6 +++---
 arch/x86/include/asm/mach-default/mach_traps.h   | 6 +++---
 arch/x86/include/asm/mach-default/mach_wakecpu.h | 6 +++---
 arch/x86/include/asm/mach-generic/gpio.h         | 6 +++---
 arch/x86/include/asm/mach-generic/mach_apic.h    | 6 +++---
 arch/x86/include/asm/mach-generic/mach_apicdef.h | 6 +++---
 arch/x86/include/asm/mach-generic/mach_ipi.h     | 6 +++---
 arch/x86/include/asm/mach-generic/mach_mpparse.h | 6 +++---
 arch/x86/include/asm/mach-generic/mach_mpspec.h  | 6 +++---
 arch/x86/include/asm/mach-rdc321x/gpio.h         | 6 +++---
 arch/x86/include/asm/uv/bios.h                   | 6 +++---
 arch/x86/include/asm/uv/uv_bau.h                 | 6 +++---
 arch/x86/include/asm/uv/uv_hub.h                 | 6 +++---
 arch/x86/include/asm/uv/uv_irq.h                 | 6 +++---
 arch/x86/include/asm/uv/uv_mmrs.h                | 6 +++---
 arch/x86/include/asm/visws/cobalt.h              | 6 +++---
 arch/x86/include/asm/visws/lithium.h             | 6 +++---
 arch/x86/include/asm/visws/piix4.h               | 6 +++---
 arch/x86/include/asm/xen/events.h                | 6 +++---
 arch/x86/include/asm/xen/grant_table.h           | 6 +++---
 arch/x86/include/asm/xen/hypercall.h             | 6 +++---
 arch/x86/include/asm/xen/hypervisor.h            | 6 +++---
 arch/x86/include/asm/xen/interface.h             | 6 +++---
 arch/x86/include/asm/xen/interface_32.h          | 6 +++---
 arch/x86/include/asm/xen/interface_64.h          | 6 +++---
 arch/x86/include/asm/xen/page.h                  | 6 +++---
 32 files changed, 96 insertions(+), 96 deletions(-)

diff --git a/arch/x86/include/asm/mach-default/apm.h b/arch/x86/include/asm/mach-default/apm.h
index fc392ec1a57..20370c6db74 100644
--- a/arch/x86/include/asm/mach-default/apm.h
+++ b/arch/x86/include/asm/mach-default/apm.h
@@ -3,8 +3,8 @@
  *  Split out from apm.c by Osamu Tomita <tomita@cinet.co.jp>
  */
 
-#ifndef _ASM_X86_MACH_DEFAULT__APM_H
-#define _ASM_X86_MACH_DEFAULT__APM_H
+#ifndef _ASM_X86_MACH_DEFAULT_APM_H
+#define _ASM_X86_MACH_DEFAULT_APM_H
 
 #ifdef APM_ZERO_SEGS
 #	define APM_DO_ZERO_SEGS \
@@ -70,4 +70,4 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in,
 	return error;
 }
 
-#endif /* _ASM_X86_MACH_DEFAULT__APM_H */
+#endif /* _ASM_X86_MACH_DEFAULT_APM_H */
diff --git a/arch/x86/include/asm/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h
index 2ad00eb6deb..ff3a6c236c0 100644
--- a/arch/x86/include/asm/mach-default/mach_apic.h
+++ b/arch/x86/include/asm/mach-default/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_APIC_H
-#define _ASM_X86_MACH_DEFAULT__MACH_APIC_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_APIC_H
+#define _ASM_X86_MACH_DEFAULT_MACH_APIC_H
 
 #ifdef CONFIG_X86_LOCAL_APIC
 
@@ -153,4 +153,4 @@ static inline void enable_apic_mode(void)
 {
 }
 #endif /* CONFIG_X86_LOCAL_APIC */
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_APIC_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_APIC_H */
diff --git a/arch/x86/include/asm/mach-default/mach_apicdef.h b/arch/x86/include/asm/mach-default/mach_apicdef.h
index b9feb25bfe6..53179936d6c 100644
--- a/arch/x86/include/asm/mach-default/mach_apicdef.h
+++ b/arch/x86/include/asm/mach-default/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H
-#define _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H
+#define _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H
 
 #include <asm/apic.h>
 
@@ -21,4 +21,4 @@ static inline unsigned get_apic_id(unsigned long x)
 #define		GET_APIC_ID(x)	get_apic_id(x)
 #endif
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H */
diff --git a/arch/x86/include/asm/mach-default/mach_ipi.h b/arch/x86/include/asm/mach-default/mach_ipi.h
index 377dfd8cfc7..fabca01ebac 100644
--- a/arch/x86/include/asm/mach-default/mach_ipi.h
+++ b/arch/x86/include/asm/mach-default/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_IPI_H
-#define _ASM_X86_MACH_DEFAULT__MACH_IPI_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_IPI_H
+#define _ASM_X86_MACH_DEFAULT_MACH_IPI_H
 
 /* Avoid include hell */
 #define NMI_VECTOR 0x02
@@ -61,4 +61,4 @@ static inline void send_IPI_all(int vector)
 }
 #endif
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_IPI_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_IPI_H */
diff --git a/arch/x86/include/asm/mach-default/mach_mpparse.h b/arch/x86/include/asm/mach-default/mach_mpparse.h
index 028e08b335f..8c1ea21238a 100644
--- a/arch/x86/include/asm/mach-default/mach_mpparse.h
+++ b/arch/x86/include/asm/mach-default/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H
-#define _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_MPPARSE_H
+#define _ASM_X86_MACH_DEFAULT_MACH_MPPARSE_H
 
 static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, 
 		char *productid)
@@ -14,4 +14,4 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 }
 
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_MPPARSE_H */
diff --git a/arch/x86/include/asm/mach-default/mach_mpspec.h b/arch/x86/include/asm/mach-default/mach_mpspec.h
index 2a966330685..e85ede686be 100644
--- a/arch/x86/include/asm/mach-default/mach_mpspec.h
+++ b/arch/x86/include/asm/mach-default/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H
-#define _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_MPSPEC_H
+#define _ASM_X86_MACH_DEFAULT_MACH_MPSPEC_H
 
 #define MAX_IRQ_SOURCES 256
 
@@ -9,4 +9,4 @@
 #define MAX_MP_BUSSES 32
 #endif
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_MPSPEC_H */
diff --git a/arch/x86/include/asm/mach-default/mach_timer.h b/arch/x86/include/asm/mach-default/mach_timer.h
index a075b4675b2..853728519ae 100644
--- a/arch/x86/include/asm/mach-default/mach_timer.h
+++ b/arch/x86/include/asm/mach-default/mach_timer.h
@@ -10,8 +10,8 @@
  * directly because of the awkward 8-bit access mechanism of the 82C54
  * device.
  */
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_TIMER_H
-#define _ASM_X86_MACH_DEFAULT__MACH_TIMER_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_TIMER_H
+#define _ASM_X86_MACH_DEFAULT_MACH_TIMER_H
 
 #define CALIBRATE_TIME_MSEC 30 /* 30 msecs */
 #define CALIBRATE_LATCH	\
@@ -45,4 +45,4 @@ static inline void mach_countup(unsigned long *count_p)
 	*count_p = count;
 }
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_TIMER_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_TIMER_H */
diff --git a/arch/x86/include/asm/mach-default/mach_traps.h b/arch/x86/include/asm/mach-default/mach_traps.h
index d4fb0bc3fe1..f7920601e47 100644
--- a/arch/x86/include/asm/mach-default/mach_traps.h
+++ b/arch/x86/include/asm/mach-default/mach_traps.h
@@ -2,8 +2,8 @@
  *  Machine specific NMI handling for generic.
  *  Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp>
  */
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H
-#define _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H
+#define _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H
 
 #include <asm/mc146818rtc.h>
 
@@ -30,4 +30,4 @@ static inline void reassert_nmi(void)
 		unlock_cmos();
 }
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H */
diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
index d7136fcdd8f..d5c0b826a4f 100644
--- a/arch/x86/include/asm/mach-default/mach_wakecpu.h
+++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
-#define _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H
+#define _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H
 
 /* 
  * This file copes with machines that wakeup secondary CPUs by the
@@ -39,4 +39,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
  #define inquire_remote_apic(apicid) {}
 #endif
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H */
diff --git a/arch/x86/include/asm/mach-generic/gpio.h b/arch/x86/include/asm/mach-generic/gpio.h
index 5fef612df2c..995c45efdb3 100644
--- a/arch/x86/include/asm/mach-generic/gpio.h
+++ b/arch/x86/include/asm/mach-generic/gpio.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__GPIO_H
-#define _ASM_X86_MACH_GENERIC__GPIO_H
+#ifndef _ASM_X86_MACH_GENERIC_GPIO_H
+#define _ASM_X86_MACH_GENERIC_GPIO_H
 
 int gpio_request(unsigned gpio, const char *label);
 void gpio_free(unsigned gpio);
@@ -12,4 +12,4 @@ int irq_to_gpio(unsigned irq);
 
 #include <asm-generic/gpio.h>           /* cansleep wrappers */
 
-#endif /* _ASM_X86_MACH_GENERIC__GPIO_H */
+#endif /* _ASM_X86_MACH_GENERIC_GPIO_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_apic.h b/arch/x86/include/asm/mach-generic/mach_apic.h
index 81668b3905a..5180bd7478f 100644
--- a/arch/x86/include/asm/mach-generic/mach_apic.h
+++ b/arch/x86/include/asm/mach-generic/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_APIC_H
-#define _ASM_X86_MACH_GENERIC__MACH_APIC_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_APIC_H
+#define _ASM_X86_MACH_GENERIC_MACH_APIC_H
 
 #include <asm/genapic.h>
 
@@ -30,4 +30,4 @@
 
 extern void generic_bigsmp_probe(void);
 
-#endif /* _ASM_X86_MACH_GENERIC__MACH_APIC_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_APIC_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_apicdef.h b/arch/x86/include/asm/mach-generic/mach_apicdef.h
index b2eaf1e654a..68041f3802f 100644
--- a/arch/x86/include/asm/mach-generic/mach_apicdef.h
+++ b/arch/x86/include/asm/mach-generic/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_APICDEF_H
-#define _ASM_X86_MACH_GENERIC__MACH_APICDEF_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_APICDEF_H
+#define _ASM_X86_MACH_GENERIC_MACH_APICDEF_H
 
 #ifndef APIC_DEFINITION
 #include <asm/genapic.h>
@@ -8,4 +8,4 @@
 #define APIC_ID_MASK (genapic->apic_id_mask)
 #endif
 
-#endif /* _ASM_X86_MACH_GENERIC__MACH_APICDEF_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_APICDEF_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_ipi.h b/arch/x86/include/asm/mach-generic/mach_ipi.h
index fe430df5536..ffd637e3c3d 100644
--- a/arch/x86/include/asm/mach-generic/mach_ipi.h
+++ b/arch/x86/include/asm/mach-generic/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_IPI_H
-#define _ASM_X86_MACH_GENERIC__MACH_IPI_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_IPI_H
+#define _ASM_X86_MACH_GENERIC_MACH_IPI_H
 
 #include <asm/genapic.h>
 
@@ -7,4 +7,4 @@
 #define send_IPI_allbutself (genapic->send_IPI_allbutself)
 #define send_IPI_all (genapic->send_IPI_all)
 
-#endif /* _ASM_X86_MACH_GENERIC__MACH_IPI_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_IPI_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_mpparse.h b/arch/x86/include/asm/mach-generic/mach_mpparse.h
index aed9f856da8..048f1d46853 100644
--- a/arch/x86/include/asm/mach-generic/mach_mpparse.h
+++ b/arch/x86/include/asm/mach-generic/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H
-#define _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H
+#define _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H
 
 
 extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
@@ -7,4 +7,4 @@ extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
 
 extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
 
-#endif /* _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_mpspec.h b/arch/x86/include/asm/mach-generic/mach_mpspec.h
index ec615de0574..bbab5ccfd4f 100644
--- a/arch/x86/include/asm/mach-generic/mach_mpspec.h
+++ b/arch/x86/include/asm/mach-generic/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H
-#define _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_MPSPEC_H
+#define _ASM_X86_MACH_GENERIC_MACH_MPSPEC_H
 
 #define MAX_IRQ_SOURCES 256
 
@@ -9,4 +9,4 @@
 
 extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
 				char *productid);
-#endif /* _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_MPSPEC_H */
diff --git a/arch/x86/include/asm/mach-rdc321x/gpio.h b/arch/x86/include/asm/mach-rdc321x/gpio.h
index b21d9174385..c210ab5788b 100644
--- a/arch/x86/include/asm/mach-rdc321x/gpio.h
+++ b/arch/x86/include/asm/mach-rdc321x/gpio.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_RDC321X__GPIO_H
-#define _ASM_X86_MACH_RDC321X__GPIO_H
+#ifndef _ASM_X86_MACH_RDC321X_GPIO_H
+#define _ASM_X86_MACH_RDC321X_GPIO_H
 
 #include <linux/kernel.h>
 
@@ -57,4 +57,4 @@ static inline int irq_to_gpio(unsigned irq)
 /* For cansleep */
 #include <asm-generic/gpio.h>
 
-#endif /* _ASM_X86_MACH_RDC321X__GPIO_H */
+#endif /* _ASM_X86_MACH_RDC321X_GPIO_H */
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index 28364396cf6..d931d3b7e6f 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UV__BIOS_H
-#define _ASM_X86_UV__BIOS_H
+#ifndef _ASM_X86_UV_BIOS_H
+#define _ASM_X86_UV_BIOS_H
 
 /*
  * UV BIOS layer definitions.
@@ -91,4 +91,4 @@ extern long uv_region_size;
 
 extern struct kobject *sgi_uv_kobj;	/* /sys/firmware/sgi_uv */
 
-#endif /* _ASM_X86_UV__BIOS_H */
+#endif /* _ASM_X86_UV_BIOS_H */
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index 4d632fdd344..e2363253bbb 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_BAU_H
-#define _ASM_X86_UV__UV_BAU_H
+#ifndef _ASM_X86_UV_UV_BAU_H
+#define _ASM_X86_UV_UV_BAU_H
 
 #include <linux/bitmap.h>
 #define BITSPERBYTE 8
@@ -329,4 +329,4 @@ extern int uv_flush_tlb_others(cpumask_t *, struct mm_struct *, unsigned long);
 extern void uv_bau_message_intr1(void);
 extern void uv_bau_timeout_intr1(void);
 
-#endif /* _ASM_X86_UV__UV_BAU_H */
+#endif /* _ASM_X86_UV_UV_BAU_H */
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 126fafa13d5..c6ad93e315c 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_HUB_H
-#define _ASM_X86_UV__UV_HUB_H
+#ifndef _ASM_X86_UV_UV_HUB_H
+#define _ASM_X86_UV_UV_HUB_H
 
 #include <linux/numa.h>
 #include <linux/percpu.h>
@@ -350,5 +350,5 @@ static inline int uv_num_possible_blades(void)
 	return uv_possible_blades;
 }
 
-#endif /* _ASM_X86_UV__UV_HUB_H */
+#endif /* _ASM_X86_UV_UV_HUB_H */
 
diff --git a/arch/x86/include/asm/uv/uv_irq.h b/arch/x86/include/asm/uv/uv_irq.h
index 8502826dce2..9613c8c0b64 100644
--- a/arch/x86/include/asm/uv/uv_irq.h
+++ b/arch/x86/include/asm/uv/uv_irq.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_IRQ_H
-#define _ASM_X86_UV__UV_IRQ_H
+#ifndef _ASM_X86_UV_UV_IRQ_H
+#define _ASM_X86_UV_UV_IRQ_H
 
 /* If a generic version of this structure gets defined, eliminate this one. */
 struct uv_IO_APIC_route_entry {
@@ -33,4 +33,4 @@ extern void arch_disable_uv_irq(int, unsigned long);
 extern int uv_setup_irq(char *, int, int, unsigned long);
 extern void uv_teardown_irq(unsigned int, int, unsigned long);
 
-#endif /* _ASM_X86_UV__UV_IRQ_H */
+#endif /* _ASM_X86_UV_UV_IRQ_H */
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index 9ce9ba57f01..dd627793a23 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_MMRS_H
-#define _ASM_X86_UV__UV_MMRS_H
+#ifndef _ASM_X86_UV_UV_MMRS_H
+#define _ASM_X86_UV_UV_MMRS_H
 
 #define UV_MMR_ENABLE		(1UL << 63)
 
@@ -1292,4 +1292,4 @@ union uvh_si_alias2_overlay_config_u {
 };
 
 
-#endif /* _ASM_X86_UV__UV_MMRS_H */
+#endif /* _ASM_X86_UV_UV_MMRS_H */
diff --git a/arch/x86/include/asm/visws/cobalt.h b/arch/x86/include/asm/visws/cobalt.h
index 0cc20f3ad71..166adf61e77 100644
--- a/arch/x86/include/asm/visws/cobalt.h
+++ b/arch/x86/include/asm/visws/cobalt.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_VISWS__COBALT_H
-#define _ASM_X86_VISWS__COBALT_H
+#ifndef _ASM_X86_VISWS_COBALT_H
+#define _ASM_X86_VISWS_COBALT_H
 
 #include <asm/fixmap.h>
 
@@ -122,4 +122,4 @@ extern char visws_board_type;
 
 extern char visws_board_rev;
 
-#endif /* _ASM_X86_VISWS__COBALT_H */
+#endif /* _ASM_X86_VISWS_COBALT_H */
diff --git a/arch/x86/include/asm/visws/lithium.h b/arch/x86/include/asm/visws/lithium.h
index 1163e518b61..a10d89bc127 100644
--- a/arch/x86/include/asm/visws/lithium.h
+++ b/arch/x86/include/asm/visws/lithium.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_VISWS__LITHIUM_H
-#define _ASM_X86_VISWS__LITHIUM_H
+#ifndef _ASM_X86_VISWS_LITHIUM_H
+#define _ASM_X86_VISWS_LITHIUM_H
 
 #include <asm/fixmap.h>
 
@@ -49,5 +49,5 @@ static inline unsigned short li_pcib_read16(unsigned long reg)
 	return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
 }
 
-#endif /* _ASM_X86_VISWS__LITHIUM_H */
+#endif /* _ASM_X86_VISWS_LITHIUM_H */
 
diff --git a/arch/x86/include/asm/visws/piix4.h b/arch/x86/include/asm/visws/piix4.h
index 80d376ef888..d0af4d338e7 100644
--- a/arch/x86/include/asm/visws/piix4.h
+++ b/arch/x86/include/asm/visws/piix4.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_VISWS__PIIX4_H
-#define _ASM_X86_VISWS__PIIX4_H
+#ifndef _ASM_X86_VISWS_PIIX4_H
+#define _ASM_X86_VISWS_PIIX4_H
 
 /*
  * PIIX4 as used on SGI Visual Workstations
@@ -104,4 +104,4 @@
  */
 #define	PIIX_GPI_STPCLK		0x4	// STPCLK signal routed back in
 
-#endif /* _ASM_X86_VISWS__PIIX4_H */
+#endif /* _ASM_X86_VISWS_PIIX4_H */
diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h
index ae3c9ada14b..19144184983 100644
--- a/arch/x86/include/asm/xen/events.h
+++ b/arch/x86/include/asm/xen/events.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_XEN__EVENTS_H
-#define _ASM_X86_XEN__EVENTS_H
+#ifndef _ASM_X86_XEN_EVENTS_H
+#define _ASM_X86_XEN_EVENTS_H
 
 enum ipi_vector {
 	XEN_RESCHEDULE_VECTOR,
@@ -21,4 +21,4 @@ static inline void xen_do_IRQ(int irq, struct pt_regs *regs)
 	do_IRQ(regs);
 }
 
-#endif /* _ASM_X86_XEN__EVENTS_H */
+#endif /* _ASM_X86_XEN_EVENTS_H */
diff --git a/arch/x86/include/asm/xen/grant_table.h b/arch/x86/include/asm/xen/grant_table.h
index 6d55da98725..fdbbb45767a 100644
--- a/arch/x86/include/asm/xen/grant_table.h
+++ b/arch/x86/include/asm/xen/grant_table.h
@@ -1,7 +1,7 @@
-#ifndef _ASM_X86_XEN__GRANT_TABLE_H
-#define _ASM_X86_XEN__GRANT_TABLE_H
+#ifndef _ASM_X86_XEN_GRANT_TABLE_H
+#define _ASM_X86_XEN_GRANT_TABLE_H
 
 #define xen_alloc_vm_area(size)	alloc_vm_area(size)
 #define xen_free_vm_area(area)	free_vm_area(area)
 
-#endif /* _ASM_X86_XEN__GRANT_TABLE_H */
+#endif /* _ASM_X86_XEN_GRANT_TABLE_H */
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 7c1192ad790..3f6000d95fe 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -30,8 +30,8 @@
  * IN THE SOFTWARE.
  */
 
-#ifndef _ASM_X86_XEN__HYPERCALL_H
-#define _ASM_X86_XEN__HYPERCALL_H
+#ifndef _ASM_X86_XEN_HYPERCALL_H
+#define _ASM_X86_XEN_HYPERCALL_H
 
 #include <linux/errno.h>
 #include <linux/string.h>
@@ -524,4 +524,4 @@ MULTI_stack_switch(struct multicall_entry *mcl,
 	mcl->args[1] = esp;
 }
 
-#endif /* _ASM_X86_XEN__HYPERCALL_H */
+#endif /* _ASM_X86_XEN_HYPERCALL_H */
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index ff60551a67b..a38d25ac87d 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -30,8 +30,8 @@
  * IN THE SOFTWARE.
  */
 
-#ifndef _ASM_X86_XEN__HYPERVISOR_H
-#define _ASM_X86_XEN__HYPERVISOR_H
+#ifndef _ASM_X86_XEN_HYPERVISOR_H
+#define _ASM_X86_XEN_HYPERVISOR_H
 
 #include <linux/types.h>
 #include <linux/kernel.h>
@@ -79,4 +79,4 @@ extern enum xen_domain_type xen_domain_type;
 #define xen_initial_domain()	(xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN)
 #define xen_hvm_domain()	(xen_domain_type == XEN_HVM_DOMAIN)
 
-#endif /* _ASM_X86_XEN__HYPERVISOR_H */
+#endif /* _ASM_X86_XEN_HYPERVISOR_H */
diff --git a/arch/x86/include/asm/xen/interface.h b/arch/x86/include/asm/xen/interface.h
index 6cfc896e335..e8506c1f0c5 100644
--- a/arch/x86/include/asm/xen/interface.h
+++ b/arch/x86/include/asm/xen/interface.h
@@ -6,8 +6,8 @@
  * Copyright (c) 2004, K A Fraser
  */
 
-#ifndef _ASM_X86_XEN__INTERFACE_H
-#define _ASM_X86_XEN__INTERFACE_H
+#ifndef _ASM_X86_XEN_INTERFACE_H
+#define _ASM_X86_XEN_INTERFACE_H
 
 #ifdef __XEN__
 #define __DEFINE_GUEST_HANDLE(name, type) \
@@ -172,4 +172,4 @@ DEFINE_GUEST_HANDLE_STRUCT(vcpu_guest_context);
 #define XEN_CPUID          XEN_EMULATE_PREFIX "cpuid"
 #endif
 
-#endif /* _ASM_X86_XEN__INTERFACE_H */
+#endif /* _ASM_X86_XEN_INTERFACE_H */
diff --git a/arch/x86/include/asm/xen/interface_32.h b/arch/x86/include/asm/xen/interface_32.h
index a5377d4a8b7..42a7e004ae5 100644
--- a/arch/x86/include/asm/xen/interface_32.h
+++ b/arch/x86/include/asm/xen/interface_32.h
@@ -6,8 +6,8 @@
  * Copyright (c) 2004, K A Fraser
  */
 
-#ifndef _ASM_X86_XEN__INTERFACE_32_H
-#define _ASM_X86_XEN__INTERFACE_32_H
+#ifndef _ASM_X86_XEN_INTERFACE_32_H
+#define _ASM_X86_XEN_INTERFACE_32_H
 
 
 /*
@@ -94,4 +94,4 @@ typedef struct xen_callback xen_callback_t;
 #define xen_pfn_to_cr3(pfn) (((unsigned)(pfn) << 12) | ((unsigned)(pfn) >> 20))
 #define xen_cr3_to_pfn(cr3) (((unsigned)(cr3) >> 12) | ((unsigned)(cr3) << 20))
 
-#endif /* _ASM_X86_XEN__INTERFACE_32_H */
+#endif /* _ASM_X86_XEN_INTERFACE_32_H */
diff --git a/arch/x86/include/asm/xen/interface_64.h b/arch/x86/include/asm/xen/interface_64.h
index 21373e7a7dd..100d2662b97 100644
--- a/arch/x86/include/asm/xen/interface_64.h
+++ b/arch/x86/include/asm/xen/interface_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_XEN__INTERFACE_64_H
-#define _ASM_X86_XEN__INTERFACE_64_H
+#ifndef _ASM_X86_XEN_INTERFACE_64_H
+#define _ASM_X86_XEN_INTERFACE_64_H
 
 /*
  * 64-bit segment selectors
@@ -156,4 +156,4 @@ typedef unsigned long xen_callback_t;
 #endif /* !__ASSEMBLY__ */
 
 
-#endif /* _ASM_X86_XEN__INTERFACE_64_H */
+#endif /* _ASM_X86_XEN_INTERFACE_64_H */
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 4f483e4fcab..bc628998a1b 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_XEN__PAGE_H
-#define _ASM_X86_XEN__PAGE_H
+#ifndef _ASM_X86_XEN_PAGE_H
+#define _ASM_X86_XEN_PAGE_H
 
 #include <linux/pfn.h>
 
@@ -162,4 +162,4 @@ xmaddr_t arbitrary_virt_to_machine(void *address);
 void make_lowmem_page_readonly(void *vaddr);
 void make_lowmem_page_readwrite(void *vaddr);
 
-#endif /* _ASM_X86_XEN__PAGE_H */
+#endif /* _ASM_X86_XEN_PAGE_H */
-- 
GitLab


From 5e1b00758b5a8bee9d42515bffdaf305a32f1b04 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Thu, 23 Oct 2008 00:20:33 -0700
Subject: [PATCH 2068/2224] x86: canonicalize remaining header guards

Canonicalize a few remaining header guards, with the exception for
those which are still in subarchitecture directories.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 arch/x86/include/asm/gpio.h          | 4 ++--
 arch/x86/include/asm/irq_remapping.h | 6 +++---
 arch/x86/include/asm/syscall.h       | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h
index 1c07aad9624..49dbfdfa50f 100644
--- a/arch/x86/include/asm/gpio.h
+++ b/arch/x86/include/asm/gpio.h
@@ -13,8 +13,8 @@
  * (at your option) any later version.
  */
 
-#ifndef _ASM_I386_GPIO_H
-#define _ASM_I386_GPIO_H
+#ifndef _ASM_X86_GPIO_H
+#define _ASM_X86_GPIO_H
 
 #include <asm-generic/gpio.h>
 
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h
index 78242c6ffa5..20e1fd588db 100644
--- a/arch/x86/include/asm/irq_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -1,8 +1,8 @@
-#ifndef _ASM_IRQ_REMAPPING_H
-#define _ASM_IRQ_REMAPPING_H
+#ifndef _ASM_X86_IRQ_REMAPPING_H
+#define _ASM_X86_IRQ_REMAPPING_H
 
 extern int x2apic;
 
 #define IRTE_DEST(dest) ((x2apic) ? dest : dest << 8)
 
-#endif
+#endif	/* _ASM_X86_IRQ_REMAPPING_H */
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h
index 04c47dc5597..1d88f6957d3 100644
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -10,8 +10,8 @@
  * See asm-generic/syscall.h for descriptions of what we must do here.
  */
 
-#ifndef _ASM_SYSCALL_H
-#define _ASM_SYSCALL_H	1
+#ifndef _ASM_X86_SYSCALL_H
+#define _ASM_X86_SYSCALL_H
 
 #include <linux/sched.h>
 #include <linux/err.h>
@@ -208,4 +208,4 @@ static inline void syscall_set_arguments(struct task_struct *task,
 
 #endif	/* CONFIG_X86_32 */
 
-#endif	/* _ASM_SYSCALL_H */
+#endif	/* _ASM_X86_SYSCALL_H */
-- 
GitLab


From d181146572c4fa9af2a068b967cb53dcac7da944 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 00:49:18 -0400
Subject: [PATCH 2069/2224] [PATCH] new helper - kern_path()

Analog of lookup_path(), takes struct path *.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namei.c            | 10 ++++++++++
 include/linux/namei.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/fs/namei.c b/fs/namei.c
index 4ea63ed5e79..4a56f9b59e8 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1106,6 +1106,15 @@ int path_lookup(const char *name, unsigned int flags,
 	return do_path_lookup(AT_FDCWD, name, flags, nd);
 }
 
+int kern_path(const char *name, unsigned int flags, struct path *path)
+{
+	struct nameidata nd;
+	int res = do_path_lookup(AT_FDCWD, name, flags, &nd);
+	if (!res)
+		*path = nd.path;
+	return res;
+}
+
 /**
  * vfs_path_lookup - lookup a file path relative to a dentry-vfsmount pair
  * @dentry:  pointer to dentry of the base directory
@@ -2855,6 +2864,7 @@ EXPORT_SYMBOL(__page_symlink);
 EXPORT_SYMBOL(page_symlink);
 EXPORT_SYMBOL(page_symlink_inode_operations);
 EXPORT_SYMBOL(path_lookup);
+EXPORT_SYMBOL(kern_path);
 EXPORT_SYMBOL(vfs_path_lookup);
 EXPORT_SYMBOL(inode_permission);
 EXPORT_SYMBOL(vfs_permission);
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 68f8c3203c8..221e8bc894b 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -61,6 +61,8 @@ extern int user_path_at(int, const char __user *, unsigned, struct path *);
 #define user_path_dir(name, path) \
 	user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, path)
 
+extern int kern_path(const char *, unsigned, struct path *);
+
 extern int path_lookup(const char *, unsigned, struct nameidata *);
 extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
 			   const char *, unsigned int, struct nameidata *);
-- 
GitLab


From 2d92ab3c6279f8423b20cf91574d0ad6696d2b44 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 00:51:11 -0400
Subject: [PATCH 2070/2224] [PATCH] finally get rid of nameidata in namespace.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namespace.c | 119 ++++++++++++++++++++++++-------------------------
 1 file changed, 59 insertions(+), 60 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 6e283c93b50..9f6005e5586 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1167,19 +1167,19 @@ asmlinkage long sys_oldumount(char __user * name)
 
 #endif
 
-static int mount_is_safe(struct nameidata *nd)
+static int mount_is_safe(struct path *path)
 {
 	if (capable(CAP_SYS_ADMIN))
 		return 0;
 	return -EPERM;
 #ifdef notyet
-	if (S_ISLNK(nd->path.dentry->d_inode->i_mode))
+	if (S_ISLNK(path->dentry->d_inode->i_mode))
 		return -EPERM;
-	if (nd->path.dentry->d_inode->i_mode & S_ISVTX) {
-		if (current->uid != nd->path.dentry->d_inode->i_uid)
+	if (path->dentry->d_inode->i_mode & S_ISVTX) {
+		if (current->uid != path->dentry->d_inode->i_uid)
 			return -EPERM;
 	}
-	if (vfs_permission(nd, MAY_WRITE))
+	if (inode_permission(path->dentry->d_inode, MAY_WRITE))
 		return -EPERM;
 	return 0;
 #endif
@@ -1427,9 +1427,9 @@ out_unlock:
  * recursively change the type of the mountpoint.
  * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_change_type(struct nameidata *nd, int flag)
+static noinline int do_change_type(struct path *path, int flag)
 {
-	struct vfsmount *m, *mnt = nd->path.mnt;
+	struct vfsmount *m, *mnt = path->mnt;
 	int recurse = flag & MS_REC;
 	int type = flag & ~MS_REC;
 	int err = 0;
@@ -1437,7 +1437,7 @@ static noinline int do_change_type(struct nameidata *nd, int flag)
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	if (nd->path.dentry != nd->path.mnt->mnt_root)
+	if (path->dentry != path->mnt->mnt_root)
 		return -EINVAL;
 
 	down_write(&namespace_sem);
@@ -1461,38 +1461,38 @@ static noinline int do_change_type(struct nameidata *nd, int flag)
  * do loopback mount.
  * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_loopback(struct nameidata *nd, char *old_name,
+static noinline int do_loopback(struct path *path, char *old_name,
 				int recurse)
 {
-	struct nameidata old_nd;
+	struct path old_path;
 	struct vfsmount *mnt = NULL;
-	int err = mount_is_safe(nd);
+	int err = mount_is_safe(path);
 	if (err)
 		return err;
 	if (!old_name || !*old_name)
 		return -EINVAL;
-	err = path_lookup(old_name, LOOKUP_FOLLOW, &old_nd);
+	err = kern_path(old_name, LOOKUP_FOLLOW, &old_path);
 	if (err)
 		return err;
 
 	down_write(&namespace_sem);
 	err = -EINVAL;
-	if (IS_MNT_UNBINDABLE(old_nd.path.mnt))
+	if (IS_MNT_UNBINDABLE(old_path.mnt))
 		goto out;
 
-	if (!check_mnt(nd->path.mnt) || !check_mnt(old_nd.path.mnt))
+	if (!check_mnt(path->mnt) || !check_mnt(old_path.mnt))
 		goto out;
 
 	err = -ENOMEM;
 	if (recurse)
-		mnt = copy_tree(old_nd.path.mnt, old_nd.path.dentry, 0);
+		mnt = copy_tree(old_path.mnt, old_path.dentry, 0);
 	else
-		mnt = clone_mnt(old_nd.path.mnt, old_nd.path.dentry, 0);
+		mnt = clone_mnt(old_path.mnt, old_path.dentry, 0);
 
 	if (!mnt)
 		goto out;
 
-	err = graft_tree(mnt, &nd->path);
+	err = graft_tree(mnt, path);
 	if (err) {
 		LIST_HEAD(umount_list);
 		spin_lock(&vfsmount_lock);
@@ -1503,7 +1503,7 @@ static noinline int do_loopback(struct nameidata *nd, char *old_name,
 
 out:
 	up_write(&namespace_sem);
-	path_put(&old_nd.path);
+	path_put(&old_path);
 	return err;
 }
 
@@ -1530,31 +1530,31 @@ static int change_mount_flags(struct vfsmount *mnt, int ms_flags)
  * on it - tough luck.
  * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_remount(struct nameidata *nd, int flags, int mnt_flags,
+static noinline int do_remount(struct path *path, int flags, int mnt_flags,
 		      void *data)
 {
 	int err;
-	struct super_block *sb = nd->path.mnt->mnt_sb;
+	struct super_block *sb = path->mnt->mnt_sb;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	if (!check_mnt(nd->path.mnt))
+	if (!check_mnt(path->mnt))
 		return -EINVAL;
 
-	if (nd->path.dentry != nd->path.mnt->mnt_root)
+	if (path->dentry != path->mnt->mnt_root)
 		return -EINVAL;
 
 	down_write(&sb->s_umount);
 	if (flags & MS_BIND)
-		err = change_mount_flags(nd->path.mnt, flags);
+		err = change_mount_flags(path->mnt, flags);
 	else
 		err = do_remount_sb(sb, flags, data, 0);
 	if (!err)
-		nd->path.mnt->mnt_flags = mnt_flags;
+		path->mnt->mnt_flags = mnt_flags;
 	up_write(&sb->s_umount);
 	if (!err)
-		security_sb_post_remount(nd->path.mnt, flags, data);
+		security_sb_post_remount(path->mnt, flags, data);
 	return err;
 }
 
@@ -1571,78 +1571,77 @@ static inline int tree_contains_unbindable(struct vfsmount *mnt)
 /*
  * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_move_mount(struct nameidata *nd, char *old_name)
+static noinline int do_move_mount(struct path *path, char *old_name)
 {
-	struct nameidata old_nd;
-	struct path parent_path;
+	struct path old_path, parent_path;
 	struct vfsmount *p;
 	int err = 0;
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 	if (!old_name || !*old_name)
 		return -EINVAL;
-	err = path_lookup(old_name, LOOKUP_FOLLOW, &old_nd);
+	err = kern_path(old_name, LOOKUP_FOLLOW, &old_path);
 	if (err)
 		return err;
 
 	down_write(&namespace_sem);
-	while (d_mountpoint(nd->path.dentry) &&
-	       follow_down(&nd->path.mnt, &nd->path.dentry))
+	while (d_mountpoint(path->dentry) &&
+	       follow_down(&path->mnt, &path->dentry))
 		;
 	err = -EINVAL;
-	if (!check_mnt(nd->path.mnt) || !check_mnt(old_nd.path.mnt))
+	if (!check_mnt(path->mnt) || !check_mnt(old_path.mnt))
 		goto out;
 
 	err = -ENOENT;
-	mutex_lock(&nd->path.dentry->d_inode->i_mutex);
-	if (IS_DEADDIR(nd->path.dentry->d_inode))
+	mutex_lock(&path->dentry->d_inode->i_mutex);
+	if (IS_DEADDIR(path->dentry->d_inode))
 		goto out1;
 
-	if (!IS_ROOT(nd->path.dentry) && d_unhashed(nd->path.dentry))
+	if (!IS_ROOT(path->dentry) && d_unhashed(path->dentry))
 		goto out1;
 
 	err = -EINVAL;
-	if (old_nd.path.dentry != old_nd.path.mnt->mnt_root)
+	if (old_path.dentry != old_path.mnt->mnt_root)
 		goto out1;
 
-	if (old_nd.path.mnt == old_nd.path.mnt->mnt_parent)
+	if (old_path.mnt == old_path.mnt->mnt_parent)
 		goto out1;
 
-	if (S_ISDIR(nd->path.dentry->d_inode->i_mode) !=
-	      S_ISDIR(old_nd.path.dentry->d_inode->i_mode))
+	if (S_ISDIR(path->dentry->d_inode->i_mode) !=
+	      S_ISDIR(old_path.dentry->d_inode->i_mode))
 		goto out1;
 	/*
 	 * Don't move a mount residing in a shared parent.
 	 */
-	if (old_nd.path.mnt->mnt_parent &&
-	    IS_MNT_SHARED(old_nd.path.mnt->mnt_parent))
+	if (old_path.mnt->mnt_parent &&
+	    IS_MNT_SHARED(old_path.mnt->mnt_parent))
 		goto out1;
 	/*
 	 * Don't move a mount tree containing unbindable mounts to a destination
 	 * mount which is shared.
 	 */
-	if (IS_MNT_SHARED(nd->path.mnt) &&
-	    tree_contains_unbindable(old_nd.path.mnt))
+	if (IS_MNT_SHARED(path->mnt) &&
+	    tree_contains_unbindable(old_path.mnt))
 		goto out1;
 	err = -ELOOP;
-	for (p = nd->path.mnt; p->mnt_parent != p; p = p->mnt_parent)
-		if (p == old_nd.path.mnt)
+	for (p = path->mnt; p->mnt_parent != p; p = p->mnt_parent)
+		if (p == old_path.mnt)
 			goto out1;
 
-	err = attach_recursive_mnt(old_nd.path.mnt, &nd->path, &parent_path);
+	err = attach_recursive_mnt(old_path.mnt, path, &parent_path);
 	if (err)
 		goto out1;
 
 	/* if the mount is moved, it should no longer be expire
 	 * automatically */
-	list_del_init(&old_nd.path.mnt->mnt_expire);
+	list_del_init(&old_path.mnt->mnt_expire);
 out1:
-	mutex_unlock(&nd->path.dentry->d_inode->i_mutex);
+	mutex_unlock(&path->dentry->d_inode->i_mutex);
 out:
 	up_write(&namespace_sem);
 	if (!err)
 		path_put(&parent_path);
-	path_put(&old_nd.path);
+	path_put(&old_path);
 	return err;
 }
 
@@ -1651,7 +1650,7 @@ out:
  * namespace's tree
  * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_new_mount(struct nameidata *nd, char *type, int flags,
+static noinline int do_new_mount(struct path *path, char *type, int flags,
 			int mnt_flags, char *name, void *data)
 {
 	struct vfsmount *mnt;
@@ -1667,7 +1666,7 @@ static noinline int do_new_mount(struct nameidata *nd, char *type, int flags,
 	if (IS_ERR(mnt))
 		return PTR_ERR(mnt);
 
-	return do_add_mount(mnt, &nd->path, mnt_flags, NULL);
+	return do_add_mount(mnt, path, mnt_flags, NULL);
 }
 
 /*
@@ -1902,7 +1901,7 @@ int copy_mount_options(const void __user * data, unsigned long *where)
 long do_mount(char *dev_name, char *dir_name, char *type_page,
 		  unsigned long flags, void *data_page)
 {
-	struct nameidata nd;
+	struct path path;
 	int retval = 0;
 	int mnt_flags = 0;
 
@@ -1940,29 +1939,29 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
 		   MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT);
 
 	/* ... and get the mountpoint */
-	retval = path_lookup(dir_name, LOOKUP_FOLLOW, &nd);
+	retval = kern_path(dir_name, LOOKUP_FOLLOW, &path);
 	if (retval)
 		return retval;
 
-	retval = security_sb_mount(dev_name, &nd.path,
+	retval = security_sb_mount(dev_name, &path,
 				   type_page, flags, data_page);
 	if (retval)
 		goto dput_out;
 
 	if (flags & MS_REMOUNT)
-		retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags,
+		retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
 				    data_page);
 	else if (flags & MS_BIND)
-		retval = do_loopback(&nd, dev_name, flags & MS_REC);
+		retval = do_loopback(&path, dev_name, flags & MS_REC);
 	else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
-		retval = do_change_type(&nd, flags);
+		retval = do_change_type(&path, flags);
 	else if (flags & MS_MOVE)
-		retval = do_move_mount(&nd, dev_name);
+		retval = do_move_mount(&path, dev_name);
 	else
-		retval = do_new_mount(&nd, type_page, flags, mnt_flags,
+		retval = do_new_mount(&path, type_page, flags, mnt_flags,
 				      dev_name, data_page);
 dput_out:
-	path_put(&nd.path);
+	path_put(&path);
 	return retval;
 }
 
-- 
GitLab


From 0a0d8a46757e2063433c8cd52b7d654e02b4682b Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 00:55:27 -0400
Subject: [PATCH 2071/2224] [PATCH] no need for noinline stuff in
 fs/namespace.c anymore

Stack footprint from hell had been due to many struct nameidata in there.
No more.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namespace.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 9f6005e5586..f527a0d6c64 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1425,9 +1425,8 @@ out_unlock:
 
 /*
  * recursively change the type of the mountpoint.
- * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_change_type(struct path *path, int flag)
+static int do_change_type(struct path *path, int flag)
 {
 	struct vfsmount *m, *mnt = path->mnt;
 	int recurse = flag & MS_REC;
@@ -1459,9 +1458,8 @@ static noinline int do_change_type(struct path *path, int flag)
 
 /*
  * do loopback mount.
- * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_loopback(struct path *path, char *old_name,
+static int do_loopback(struct path *path, char *old_name,
 				int recurse)
 {
 	struct path old_path;
@@ -1528,9 +1526,8 @@ static int change_mount_flags(struct vfsmount *mnt, int ms_flags)
  * change filesystem flags. dir should be a physical root of filesystem.
  * If you've mounted a non-root directory somewhere and want to do remount
  * on it - tough luck.
- * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_remount(struct path *path, int flags, int mnt_flags,
+static int do_remount(struct path *path, int flags, int mnt_flags,
 		      void *data)
 {
 	int err;
@@ -1568,10 +1565,7 @@ static inline int tree_contains_unbindable(struct vfsmount *mnt)
 	return 0;
 }
 
-/*
- * noinline this do_mount helper to save do_mount stack space.
- */
-static noinline int do_move_mount(struct path *path, char *old_name)
+static int do_move_mount(struct path *path, char *old_name)
 {
 	struct path old_path, parent_path;
 	struct vfsmount *p;
@@ -1648,9 +1642,8 @@ out:
 /*
  * create a new mount for userspace and request it to be added into the
  * namespace's tree
- * noinline this do_mount helper to save do_mount stack space.
  */
-static noinline int do_new_mount(struct path *path, char *type, int flags,
+static int do_new_mount(struct path *path, char *type, int flags,
 			int mnt_flags, char *name, void *data)
 {
 	struct vfsmount *mnt;
-- 
GitLab


From 91bd6b1e030266cf87d3f567b49f0fa60a7318ba Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Thu, 23 Oct 2008 00:59:52 -0700
Subject: [PATCH 2072/2224] sctp: Drop ICMP packet too big message with MTU
 larger than current PMTU

If ICMP packet too big message is received with MTU larger than current
PMTU, SCTP will still accept this ICMP message and sync the PMTU of assoc
with the wrong MTU.

Endpoing A                 Endpoint B
(ESTABLISHED)              (ESTABLISHED)
ICMP         --------->
(packet too big, MTU too larger)
                           sync PMTU

This patch fixed the problem by drop that ICMP message.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/input.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sctp/input.c b/net/sctp/input.c
index a49fa80b57b..bf612d954d4 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -369,7 +369,7 @@ static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb)
 void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
 			   struct sctp_transport *t, __u32 pmtu)
 {
-	if (!t || (t->pathmtu == pmtu))
+	if (!t || (t->pathmtu <= pmtu))
 		return;
 
 	if (sock_owned_by_user(sk)) {
-- 
GitLab


From df10eec476f2045a2ef5f85d97c7b47d992d7f7b Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Thu, 23 Oct 2008 01:00:21 -0700
Subject: [PATCH 2073/2224] sctp: Add check for the TSN field of the SHUTDOWN
 chunk

If SHUTDOWN chunk is received Cumulative TSN Ack beyond the max tsn currently
send, SHUTDOWN chunk be accepted and the association will be broken. New data
is send, but after received SACK it will be drop because TSN in SACK is less
than the Cumulative TSN, data will be retrans again and again even if correct
SACK is received.

The packet sequence is like this:

Endpoint A                       Endpoint B       ULP
(ESTABLISHED)                    (ESTABLISHED)

               <-----------      DATA (TSN=x-1)

               <-----------      DATA (TSN=x)

  SHUTDOWN     ----------->      (Now Cumulative TSN=x+1000)
  (TSN=x+1000)
               <-----------      DATA (TSN=x+1)

  SACK         ----------->      drop the SACK
  (TSN=x+1)
               <-----------      DATA (TSN=x+1)(retrans)

This patch fix this problem by terminating the association and respond to
the sender with an ABORT.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/sm_statefuns.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index d4c3fbc4671..12f62174f4a 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -2544,6 +2544,7 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
 	sctp_shutdownhdr_t *sdh;
 	sctp_disposition_t disposition;
 	struct sctp_ulpevent *ev;
+	__u32 ctsn;
 
 	if (!sctp_vtag_verify(chunk, asoc))
 		return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
@@ -2558,6 +2559,14 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
 	sdh = (sctp_shutdownhdr_t *)chunk->skb->data;
 	skb_pull(chunk->skb, sizeof(sctp_shutdownhdr_t));
 	chunk->subh.shutdown_hdr = sdh;
+	ctsn = ntohl(sdh->cum_tsn_ack);
+
+	/* If Cumulative TSN Ack beyond the max tsn currently
+	 * send, terminating the association and respond to the
+	 * sender with an ABORT.
+	 */
+	if (!TSN_lt(ctsn, asoc->next_tsn))
+		return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
 
 	/* API 5.3.1.5 SCTP_SHUTDOWN_EVENT
 	 * When a peer sends a SHUTDOWN, SCTP delivers this notification to
-- 
GitLab


From 898b054f3eec5921320ae8614b5bdd7b07ea5b43 Mon Sep 17 00:00:00 2001
From: Shaohua Li <shaohua.li@intel.com>
Date: Sat, 27 Sep 2008 11:10:28 +0800
Subject: [PATCH 2074/2224] dock: make dock driver not a module

To avoid dock driver is loaded after other drivers like libata, let's
make dock driver not a module.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/acpi/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index dc1de722442..f4f63291750 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -157,7 +157,7 @@ config ACPI_FAN
 	  applications to perform basic fan control (on, off, status).
 
 config ACPI_DOCK
-	tristate "Dock"
+	bool "Dock"
 	depends on EXPERIMENTAL
 	help
 	  This driver adds support for ACPI controlled docking stations and removable
-- 
GitLab


From cf896d514a4564027929a6d284872c74987085ef Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Thu, 23 Oct 2008 01:00:49 -0700
Subject: [PATCH 2075/2224] sctp: Fix to handle SHUTDOWN in SHUTDOWN-PENDING
 state

If SHUTDOWN is received in SHUTDOWN-PENDING state, enpoint should enter
the SHUTDOWN-RECEIVED state and check the Cumulative TSN Ack field of
the SHUTDOWN chunk (RFC 4960 Section 9.2). If the SHUTDOWN chunk can
acknowledge all of the send DATA chunks, SHUTDOWN-ACK should be sent.

But now endpoint just silently discarded the SHUTDOWN chunk.

SHUTDOWN received in SHUTDOWN-PENDING state can happend when the last
SACK is lost by network, or the SHUTDOWN chunk can acknowledge all of
the received DATA chunks. The packet sequence(SACK lost) is like this:

Endpoint A                       Endpoint B       ULP
(ESTABLISHED)                    (ESTABLISHED)

               <-----------      DATA
                                             <--- shutdown
                                 Enter SHUTDOWN-PENDING state
  SACK         ----lost---->

  SHUTDOWN(*1) ------------>

               <-----------      SHUTDOWN-ACK

 (*1) silently discarded now.

This patch fix to handle SHUTDOWN in SHUTDOWN-PENDING state as the same
as ESTABLISHED state.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/sctp/sm_statetable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index dd4ddc40c0a..a5b5590dc1a 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -266,7 +266,7 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 	/* SCTP_STATE_ESTABLISHED */ \
 	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
 	/* SCTP_STATE_SHUTDOWN_PENDING */ \
-	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown), \
 	/* SCTP_STATE_SHUTDOWN_SENT */ \
 	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
 	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
-- 
GitLab


From 2e3f92dad6bdbee796274bae5c1c50a6ddd31cbb Mon Sep 17 00:00:00 2001
From: Wei Yongjun <yjwei@cn.fujitsu.com>
Date: Thu, 23 Oct 2008 01:01:18 -0700
Subject: [PATCH 2076/2224] sctp: Fix to handle SHUTDOWN in SHUTDOWN_RECEIVED
 state

Once an endpoint has reached the SHUTDOWN-RECEIVED state,
it MUST NOT send a SHUTDOWN in response to a ULP request.
The Cumulative TSN Ack of the received SHUTDOWN chunk
MUST be processed.

This patch fix to process Cumulative TSN Ack of the received
SHUTDOWN chunk in SHUTDOWN_RECEIVED state.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/sctp/sm.h    |  1 +
 net/sctp/sm_statefuns.c  | 45 ++++++++++++++++++++++++++++++++++++++++
 net/sctp/sm_statetable.c |  2 +-
 3 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 029a54a0239..c1dd8936583 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -125,6 +125,7 @@ sctp_state_fn_t sctp_sf_beat_8_3;
 sctp_state_fn_t sctp_sf_backbeat_8_3;
 sctp_state_fn_t sctp_sf_do_9_2_final;
 sctp_state_fn_t sctp_sf_do_9_2_shutdown;
+sctp_state_fn_t sctp_sf_do_9_2_shut_ctsn;
 sctp_state_fn_t sctp_sf_do_ecn_cwr;
 sctp_state_fn_t sctp_sf_do_ecne;
 sctp_state_fn_t sctp_sf_ootb;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 12f62174f4a..a6a0ea71ae9 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -2608,6 +2608,51 @@ out:
 	return disposition;
 }
 
+/*
+ * sctp_sf_do_9_2_shut_ctsn
+ *
+ * Once an endpoint has reached the SHUTDOWN-RECEIVED state,
+ * it MUST NOT send a SHUTDOWN in response to a ULP request.
+ * The Cumulative TSN Ack of the received SHUTDOWN chunk
+ * MUST be processed.
+ */
+sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(const struct sctp_endpoint *ep,
+					   const struct sctp_association *asoc,
+					   const sctp_subtype_t type,
+					   void *arg,
+					   sctp_cmd_seq_t *commands)
+{
+	struct sctp_chunk *chunk = arg;
+	sctp_shutdownhdr_t *sdh;
+
+	if (!sctp_vtag_verify(chunk, asoc))
+		return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+
+	/* Make sure that the SHUTDOWN chunk has a valid length. */
+	if (!sctp_chunk_length_valid(chunk,
+				      sizeof(struct sctp_shutdown_chunk_t)))
+		return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+						  commands);
+
+	sdh = (sctp_shutdownhdr_t *)chunk->skb->data;
+
+	/* If Cumulative TSN Ack beyond the max tsn currently
+	 * send, terminating the association and respond to the
+	 * sender with an ABORT.
+	 */
+	if (!TSN_lt(ntohl(sdh->cum_tsn_ack), asoc->next_tsn))
+		return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
+
+	/* verify, by checking the Cumulative TSN Ack field of the
+	 * chunk, that all its outstanding DATA chunks have been
+	 * received by the SHUTDOWN sender.
+	 */
+	sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_CTSN,
+			SCTP_BE32(sdh->cum_tsn_ack));
+
+	return SCTP_DISPOSITION_CONSUME;
+}
+
 /* RFC 2960 9.2
  * If an endpoint is in SHUTDOWN-ACK-SENT state and receives an INIT chunk
  * (e.g., if the SHUTDOWN COMPLETE was lost) with source and destination
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index a5b5590dc1a..5c8186d88c6 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -270,7 +270,7 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
 	/* SCTP_STATE_SHUTDOWN_SENT */ \
 	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shutdown_ack), \
 	/* SCTP_STATE_SHUTDOWN_RECEIVED */ \
-	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
+	TYPE_SCTP_FUNC(sctp_sf_do_9_2_shut_ctsn), \
 	/* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
 	TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \
 } /* TYPE_SCTP_SHUTDOWN */
-- 
GitLab


From b63365a2d60268a3988285d6c3c6003d7066f93a Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 23 Oct 2008 01:11:29 -0700
Subject: [PATCH 2077/2224] net: Fix disjunct computation of netdev features

My change

    commit e2a6b85247aacc52d6ba0d9b37a99b8d1a3e0d83
    net: Enable TSO if supported by at least one device

didn't do what was intended because the netdev_compute_features
function was designed for conjunctions.  So what happened was that
it would simply take the TSO status of the last constituent device.

This patch extends it to support both conjunctions and disjunctions
under the new name of netdev_increment_features.

It also adds a new function netdev_fix_features which does the
sanity checking that usually occurs upon registration.  This ensures
that the computation doesn't result in an illegal combination
since this checking is absent when the change is initiated via
ethtool.

The two users of netdev_compute_features have been converted.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/bonding/bond_main.c |  16 ++--
 include/linux/netdevice.h       |  12 ++-
 net/bridge/br_device.c          |   2 +-
 net/bridge/br_if.c              |  14 +++-
 net/core/dev.c                  | 135 +++++++++++++++++---------------
 5 files changed, 104 insertions(+), 75 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 8e2be24f3fe..832739f38db 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1341,18 +1341,24 @@ static int bond_compute_features(struct bonding *bond)
 	int i;
 
 	features &= ~(NETIF_F_ALL_CSUM | BOND_VLAN_FEATURES);
-	features |= NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
-		    NETIF_F_GSO_MASK | NETIF_F_NO_CSUM;
+	features |=  NETIF_F_GSO_MASK | NETIF_F_NO_CSUM;
+
+	if (!bond->first_slave)
+		goto done;
+
+	features &= ~NETIF_F_ONE_FOR_ALL;
 
 	bond_for_each_slave(bond, slave, i) {
-		features = netdev_compute_features(features,
-						   slave->dev->features);
+		features = netdev_increment_features(features,
+						     slave->dev->features,
+						     NETIF_F_ONE_FOR_ALL);
 		if (slave->dev->hard_header_len > max_hard_header_len)
 			max_hard_header_len = slave->dev->hard_header_len;
 	}
 
+done:
 	features |= (bond_dev->features & BOND_VLAN_FEATURES);
-	bond_dev->features = features;
+	bond_dev->features = netdev_fix_features(features, NULL);
 	bond_dev->hard_header_len = max_hard_header_len;
 
 	return 0;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 64875859d65..c8bcb59adfd 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -541,6 +541,14 @@ struct net_device
 #define NETIF_F_V6_CSUM		(NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)
 #define NETIF_F_ALL_CSUM	(NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)
 
+	/*
+	 * If one device supports one of these features, then enable them
+	 * for all in netdev_increment_features.
+	 */
+#define NETIF_F_ONE_FOR_ALL	(NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
+				 NETIF_F_SG | NETIF_F_HIGHDMA | \
+				 NETIF_F_FRAGLIST)
+
 	/* Interface index. Unique device identifier	*/
 	int			ifindex;
 	int			iflink;
@@ -1698,7 +1706,9 @@ extern char *netdev_drivername(const struct net_device *dev, char *buffer, int l
 
 extern void linkwatch_run_queue(void);
 
-extern int netdev_compute_features(unsigned long all, unsigned long one);
+unsigned long netdev_increment_features(unsigned long all, unsigned long one,
+					unsigned long mask);
+unsigned long netdev_fix_features(unsigned long features, const char *name);
 
 static inline int net_gso_ok(int features, int gso_type)
 {
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 22ba8632196..6c023f0f825 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -179,5 +179,5 @@ void br_dev_setup(struct net_device *dev)
 
 	dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
 			NETIF_F_GSO_MASK | NETIF_F_NO_CSUM | NETIF_F_LLTX |
-			NETIF_F_NETNS_LOCAL;
+			NETIF_F_NETNS_LOCAL | NETIF_F_GSO;
 }
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 573e20f7dba..0a09ccf68c1 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -347,15 +347,21 @@ int br_min_mtu(const struct net_bridge *br)
 void br_features_recompute(struct net_bridge *br)
 {
 	struct net_bridge_port *p;
-	unsigned long features;
+	unsigned long features, mask;
 
-	features = br->feature_mask;
+	features = mask = br->feature_mask;
+	if (list_empty(&br->port_list))
+		goto done;
+
+	features &= ~NETIF_F_ONE_FOR_ALL;
 
 	list_for_each_entry(p, &br->port_list, list) {
-		features = netdev_compute_features(features, p->dev->features);
+		features = netdev_increment_features(features,
+						     p->dev->features, mask);
 	}
 
-	br->dev->features = features;
+done:
+	br->dev->features = netdev_fix_features(features, NULL);
 }
 
 /* called with RTNL */
diff --git a/net/core/dev.c b/net/core/dev.c
index b8a4fd0806a..d9038e328cc 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3947,6 +3947,46 @@ static void netdev_init_queue_locks(struct net_device *dev)
 	__netdev_init_queue_locks_one(dev, &dev->rx_queue, NULL);
 }
 
+unsigned long netdev_fix_features(unsigned long features, const char *name)
+{
+	/* Fix illegal SG+CSUM combinations. */
+	if ((features & NETIF_F_SG) &&
+	    !(features & NETIF_F_ALL_CSUM)) {
+		if (name)
+			printk(KERN_NOTICE "%s: Dropping NETIF_F_SG since no "
+			       "checksum feature.\n", name);
+		features &= ~NETIF_F_SG;
+	}
+
+	/* TSO requires that SG is present as well. */
+	if ((features & NETIF_F_TSO) && !(features & NETIF_F_SG)) {
+		if (name)
+			printk(KERN_NOTICE "%s: Dropping NETIF_F_TSO since no "
+			       "SG feature.\n", name);
+		features &= ~NETIF_F_TSO;
+	}
+
+	if (features & NETIF_F_UFO) {
+		if (!(features & NETIF_F_GEN_CSUM)) {
+			if (name)
+				printk(KERN_ERR "%s: Dropping NETIF_F_UFO "
+				       "since no NETIF_F_HW_CSUM feature.\n",
+				       name);
+			features &= ~NETIF_F_UFO;
+		}
+
+		if (!(features & NETIF_F_SG)) {
+			if (name)
+				printk(KERN_ERR "%s: Dropping NETIF_F_UFO "
+				       "since no NETIF_F_SG feature.\n", name);
+			features &= ~NETIF_F_UFO;
+		}
+	}
+
+	return features;
+}
+EXPORT_SYMBOL(netdev_fix_features);
+
 /**
  *	register_netdevice	- register a network device
  *	@dev: device to register
@@ -4032,36 +4072,7 @@ int register_netdevice(struct net_device *dev)
 		dev->features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM|NETIF_F_HW_CSUM);
 	}
 
-
-	/* Fix illegal SG+CSUM combinations. */
-	if ((dev->features & NETIF_F_SG) &&
-	    !(dev->features & NETIF_F_ALL_CSUM)) {
-		printk(KERN_NOTICE "%s: Dropping NETIF_F_SG since no checksum feature.\n",
-		       dev->name);
-		dev->features &= ~NETIF_F_SG;
-	}
-
-	/* TSO requires that SG is present as well. */
-	if ((dev->features & NETIF_F_TSO) &&
-	    !(dev->features & NETIF_F_SG)) {
-		printk(KERN_NOTICE "%s: Dropping NETIF_F_TSO since no SG feature.\n",
-		       dev->name);
-		dev->features &= ~NETIF_F_TSO;
-	}
-	if (dev->features & NETIF_F_UFO) {
-		if (!(dev->features & NETIF_F_HW_CSUM)) {
-			printk(KERN_ERR "%s: Dropping NETIF_F_UFO since no "
-					"NETIF_F_HW_CSUM feature.\n",
-							dev->name);
-			dev->features &= ~NETIF_F_UFO;
-		}
-		if (!(dev->features & NETIF_F_SG)) {
-			printk(KERN_ERR "%s: Dropping NETIF_F_UFO since no "
-					"NETIF_F_SG feature.\n",
-					dev->name);
-			dev->features &= ~NETIF_F_UFO;
-		}
-	}
+	dev->features = netdev_fix_features(dev->features, dev->name);
 
 	/* Enable software GSO if SG is supported. */
 	if (dev->features & NETIF_F_SG)
@@ -4700,49 +4711,45 @@ static int __init netdev_dma_register(void) { return -ENODEV; }
 #endif /* CONFIG_NET_DMA */
 
 /**
- *	netdev_compute_feature - compute conjunction of two feature sets
- *	@all: first feature set
- *	@one: second feature set
+ *	netdev_increment_features - increment feature set by one
+ *	@all: current feature set
+ *	@one: new feature set
+ *	@mask: mask feature set
  *
  *	Computes a new feature set after adding a device with feature set
- *	@one to the master device with current feature set @all.  Returns
- *	the new feature set.
+ *	@one to the master device with current feature set @all.  Will not
+ *	enable anything that is off in @mask. Returns the new feature set.
  */
-int netdev_compute_features(unsigned long all, unsigned long one)
-{
-	/* if device needs checksumming, downgrade to hw checksumming */
-	if (all & NETIF_F_NO_CSUM && !(one & NETIF_F_NO_CSUM))
-		all ^= NETIF_F_NO_CSUM | NETIF_F_HW_CSUM;
-
-	/* if device can't do all checksum, downgrade to ipv4/ipv6 */
-	if (all & NETIF_F_HW_CSUM && !(one & NETIF_F_HW_CSUM))
-		all ^= NETIF_F_HW_CSUM
-			| NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
-
-	if (one & NETIF_F_GSO)
-		one |= NETIF_F_GSO_SOFTWARE;
-	one |= NETIF_F_GSO;
-
-	/*
-	 * If even one device supports a GSO protocol with software fallback,
-	 * enable it for all.
-	 */
-	all |= one & NETIF_F_GSO_SOFTWARE;
+unsigned long netdev_increment_features(unsigned long all, unsigned long one,
+					unsigned long mask)
+{
+	/* If device needs checksumming, downgrade to it. */
+        if (all & NETIF_F_NO_CSUM && !(one & NETIF_F_NO_CSUM))
+		all ^= NETIF_F_NO_CSUM | (one & NETIF_F_ALL_CSUM);
+	else if (mask & NETIF_F_ALL_CSUM) {
+		/* If one device supports v4/v6 checksumming, set for all. */
+		if (one & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM) &&
+		    !(all & NETIF_F_GEN_CSUM)) {
+			all &= ~NETIF_F_ALL_CSUM;
+			all |= one & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
+		}
 
-	/* If even one device supports robust GSO, enable it for all. */
-	if (one & NETIF_F_GSO_ROBUST)
-		all |= NETIF_F_GSO_ROBUST;
+		/* If one device supports hw checksumming, set for all. */
+		if (one & NETIF_F_GEN_CSUM && !(all & NETIF_F_GEN_CSUM)) {
+			all &= ~NETIF_F_ALL_CSUM;
+			all |= NETIF_F_HW_CSUM;
+		}
+	}
 
-	all &= one | NETIF_F_LLTX;
+	one |= NETIF_F_ALL_CSUM;
 
-	if (!(all & NETIF_F_ALL_CSUM))
-		all &= ~NETIF_F_SG;
-	if (!(all & NETIF_F_SG))
-		all &= ~NETIF_F_GSO_MASK;
+	one |= all & NETIF_F_ONE_FOR_ALL;
+	all &= one | NETIF_F_LLTX | NETIF_F_GSO;
+	all |= one & mask & NETIF_F_ONE_FOR_ALL;
 
 	return all;
 }
-EXPORT_SYMBOL(netdev_compute_features);
+EXPORT_SYMBOL(netdev_increment_features);
 
 static struct hlist_head *netdev_create_hash(void)
 {
-- 
GitLab


From 8264613def2e5c4f12bc3167713090fd172e6055 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 00:57:06 -0400
Subject: [PATCH 2078/2224] [PATCH] switch quota_on-related stuff to
 kern_path()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dquot.c          | 10 +++++-----
 fs/ext3/super.c     | 22 +++++++++++-----------
 fs/ext4/super.c     | 24 ++++++++++++------------
 fs/reiserfs/super.c | 18 +++++++++---------
 4 files changed, 37 insertions(+), 37 deletions(-)

diff --git a/fs/dquot.c b/fs/dquot.c
index da30a27f224..5e95261005b 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1805,19 +1805,19 @@ int vfs_quota_on_path(struct super_block *sb, int type, int format_id,
 }
 
 /* Actual function called from quotactl() */
-int vfs_quota_on(struct super_block *sb, int type, int format_id, char *path,
+int vfs_quota_on(struct super_block *sb, int type, int format_id, char *name,
 		 int remount)
 {
-	struct nameidata nd;
+	struct path path;
 	int error;
 
 	if (remount)
 		return vfs_quota_on_remount(sb, type);
 
-	error = path_lookup(path, LOOKUP_FOLLOW, &nd);
+	error = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (!error) {
-		error = vfs_quota_on_path(sb, type, format_id, &nd.path);
-		path_put(&nd.path);
+		error = vfs_quota_on_path(sb, type, format_id, &path);
+		path_put(&path);
 	}
 	return error;
 }
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 3a260af5544..5b7fee10566 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2783,30 +2783,30 @@ static int ext3_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int ext3_quota_on(struct super_block *sb, int type, int format_id,
-			 char *path, int remount)
+			 char *name, int remount)
 {
 	int err;
-	struct nameidata nd;
+	struct path path;
 
 	if (!test_opt(sb, QUOTA))
 		return -EINVAL;
-	/* When remounting, no checks are needed and in fact, path is NULL */
+	/* When remounting, no checks are needed and in fact, name is NULL */
 	if (remount)
-		return vfs_quota_on(sb, type, format_id, path, remount);
+		return vfs_quota_on(sb, type, format_id, name, remount);
 
-	err = path_lookup(path, LOOKUP_FOLLOW, &nd);
+	err = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (err)
 		return err;
 
 	/* Quotafile not on the same filesystem? */
-	if (nd.path.mnt->mnt_sb != sb) {
-		path_put(&nd.path);
+	if (path.mnt->mnt_sb != sb) {
+		path_put(&path);
 		return -EXDEV;
 	}
 	/* Journaling quota? */
 	if (EXT3_SB(sb)->s_qf_names[type]) {
 		/* Quotafile not of fs root? */
-		if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
+		if (path.dentry->d_parent != sb->s_root)
 			printk(KERN_WARNING
 				"EXT3-fs: Quota file not on filesystem root. "
 				"Journaled quota will not work.\n");
@@ -2816,7 +2816,7 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
 	 * When we journal data on quota file, we have to flush journal to see
 	 * all updates to the file when we bypass pagecache...
 	 */
-	if (ext3_should_journal_data(nd.path.dentry->d_inode)) {
+	if (ext3_should_journal_data(path.dentry->d_inode)) {
 		/*
 		 * We don't need to lock updates but journal_flush() could
 		 * otherwise be livelocked...
@@ -2826,8 +2826,8 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
 		journal_unlock_updates(EXT3_SB(sb)->s_journal);
 	}
 
-	err = vfs_quota_on_path(sb, type, format_id, &nd.path);
-	path_put(&nd.path);
+	err = vfs_quota_on_path(sb, type, format_id, &path);
+	path_put(&path);
 	return err;
 }
 
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9b2b2bc4ec1..ae35f176b69 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3328,30 +3328,30 @@ static int ext4_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
-			 char *path, int remount)
+			 char *name, int remount)
 {
 	int err;
-	struct nameidata nd;
+	struct path path;
 
 	if (!test_opt(sb, QUOTA))
 		return -EINVAL;
-	/* When remounting, no checks are needed and in fact, path is NULL */
+	/* When remounting, no checks are needed and in fact, name is NULL */
 	if (remount)
-		return vfs_quota_on(sb, type, format_id, path, remount);
+		return vfs_quota_on(sb, type, format_id, name, remount);
 
-	err = path_lookup(path, LOOKUP_FOLLOW, &nd);
+	err = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (err)
 		return err;
 
 	/* Quotafile not on the same filesystem? */
-	if (nd.path.mnt->mnt_sb != sb) {
-		path_put(&nd.path);
+	if (path.mnt->mnt_sb != sb) {
+		path_put(&path);
 		return -EXDEV;
 	}
 	/* Journaling quota? */
 	if (EXT4_SB(sb)->s_qf_names[type]) {
 		/* Quotafile not in fs root? */
-		if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
+		if (path.dentry->d_parent != sb->s_root)
 			printk(KERN_WARNING
 				"EXT4-fs: Quota file not on filesystem root. "
 				"Journaled quota will not work.\n");
@@ -3361,7 +3361,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
 	 * When we journal data on quota file, we have to flush journal to see
 	 * all updates to the file when we bypass pagecache...
 	 */
-	if (ext4_should_journal_data(nd.path.dentry->d_inode)) {
+	if (ext4_should_journal_data(path.dentry->d_inode)) {
 		/*
 		 * We don't need to lock updates but journal_flush() could
 		 * otherwise be livelocked...
@@ -3370,13 +3370,13 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
 		err = jbd2_journal_flush(EXT4_SB(sb)->s_journal);
 		jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal);
 		if (err) {
-			path_put(&nd.path);
+			path_put(&path);
 			return err;
 		}
 	}
 
-	err = vfs_quota_on_path(sb, type, format_id, &nd.path);
-	path_put(&nd.path);
+	err = vfs_quota_on_path(sb, type, format_id, &path);
+	path_put(&path);
 	return err;
 }
 
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index d318c7e663f..663a91f5dce 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2058,10 +2058,10 @@ static int reiserfs_quota_on_mount(struct super_block *sb, int type)
  * Standard function to be called on quota_on
  */
 static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
-			     char *path, int remount)
+			     char *name, int remount)
 {
 	int err;
-	struct nameidata nd;
+	struct path path;
 	struct inode *inode;
 	struct reiserfs_transaction_handle th;
 
@@ -2069,16 +2069,16 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 		return -EINVAL;
 	/* No more checks needed? Path and format_id are bogus anyway... */
 	if (remount)
-		return vfs_quota_on(sb, type, format_id, path, 1);
-	err = path_lookup(path, LOOKUP_FOLLOW, &nd);
+		return vfs_quota_on(sb, type, format_id, name, 1);
+	err = kern_path(name, LOOKUP_FOLLOW, &path);
 	if (err)
 		return err;
 	/* Quotafile not on the same filesystem? */
-	if (nd.path.mnt->mnt_sb != sb) {
+	if (path.mnt->mnt_sb != sb) {
 		err = -EXDEV;
 		goto out;
 	}
-	inode = nd.path.dentry->d_inode;
+	inode = path.dentry->d_inode;
 	/* We must not pack tails for quota files on reiserfs for quota IO to work */
 	if (!(REISERFS_I(inode)->i_flags & i_nopack_mask)) {
 		err = reiserfs_unpack(inode, NULL);
@@ -2094,7 +2094,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 	/* Journaling quota? */
 	if (REISERFS_SB(sb)->s_qf_names[type]) {
 		/* Quotafile not of fs root? */
-		if (nd.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
+		if (path.dentry->d_parent != sb->s_root)
 			reiserfs_warning(sb,
 				 "reiserfs: Quota file not on filesystem root. "
 				 "Journalled quota will not work.");
@@ -2113,9 +2113,9 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id,
 		if (err)
 			goto out;
 	}
-	err = vfs_quota_on_path(sb, type, format_id, &nd.path);
+	err = vfs_quota_on_path(sb, type, format_id, &path);
 out:
-	path_put(&nd.path);
+	path_put(&path);
 	return err;
 }
 
-- 
GitLab


From c1a2a4756df01d72b6f7a0563218b23b63a6d4ed Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 01:01:02 -0400
Subject: [PATCH 2079/2224] [PATCH] sanitize svc_export_parse()

clean up the exit paths, get rid of nameidata

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfsd/export.c | 77 ++++++++++++++++++++++--------------------------
 1 file changed, 35 insertions(+), 42 deletions(-)

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 9dc036f1835..2fa61f003ff 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -500,35 +500,22 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
 	int len;
 	int err;
 	struct auth_domain *dom = NULL;
-	struct nameidata nd;
-	struct svc_export exp, *expp;
+	struct svc_export exp = {}, *expp;
 	int an_int;
 
-	nd.path.dentry = NULL;
-	exp.ex_pathname = NULL;
-
-	/* fs locations */
-	exp.ex_fslocs.locations = NULL;
-	exp.ex_fslocs.locations_count = 0;
-	exp.ex_fslocs.migrated = 0;
-
-	exp.ex_uuid = NULL;
-
-	/* secinfo */
-	exp.ex_nflavors = 0;
-
 	if (mesg[mlen-1] != '\n')
 		return -EINVAL;
 	mesg[mlen-1] = 0;
 
 	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
-	err = -ENOMEM;
-	if (!buf) goto out;
+	if (!buf)
+		return -ENOMEM;
 
 	/* client */
-	len = qword_get(&mesg, buf, PAGE_SIZE);
 	err = -EINVAL;
-	if (len <= 0) goto out;
+	len = qword_get(&mesg, buf, PAGE_SIZE);
+	if (len <= 0)
+		goto out;
 
 	err = -ENOENT;
 	dom = auth_domain_find(buf);
@@ -537,25 +524,25 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
 
 	/* path */
 	err = -EINVAL;
-	if ((len=qword_get(&mesg, buf, PAGE_SIZE)) <= 0)
-		goto out;
-	err = path_lookup(buf, 0, &nd);
-	if (err) goto out_no_path;
+	if ((len = qword_get(&mesg, buf, PAGE_SIZE)) <= 0)
+		goto out1;
+
+	err = kern_path(buf, 0, &exp.ex_path);
+	if (err)
+		goto out1;
 
-	exp.h.flags = 0;
 	exp.ex_client = dom;
-	exp.ex_path.mnt = nd.path.mnt;
-	exp.ex_path.dentry = nd.path.dentry;
-	exp.ex_pathname = kstrdup(buf, GFP_KERNEL);
+
 	err = -ENOMEM;
+	exp.ex_pathname = kstrdup(buf, GFP_KERNEL);
 	if (!exp.ex_pathname)
-		goto out;
+		goto out2;
 
 	/* expiry */
 	err = -EINVAL;
 	exp.h.expiry_time = get_expiry(&mesg);
 	if (exp.h.expiry_time == 0)
-		goto out;
+		goto out3;
 
 	/* flags */
 	err = get_int(&mesg, &an_int);
@@ -563,22 +550,26 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
 		err = 0;
 		set_bit(CACHE_NEGATIVE, &exp.h.flags);
 	} else {
-		if (err || an_int < 0) goto out;	
+		if (err || an_int < 0)
+			goto out3;
 		exp.ex_flags= an_int;
 	
 		/* anon uid */
 		err = get_int(&mesg, &an_int);
-		if (err) goto out;
+		if (err)
+			goto out3;
 		exp.ex_anon_uid= an_int;
 
 		/* anon gid */
 		err = get_int(&mesg, &an_int);
-		if (err) goto out;
+		if (err)
+			goto out3;
 		exp.ex_anon_gid= an_int;
 
 		/* fsid */
 		err = get_int(&mesg, &an_int);
-		if (err) goto out;
+		if (err)
+			goto out3;
 		exp.ex_fsid = an_int;
 
 		while ((len = qword_get(&mesg, buf, PAGE_SIZE)) > 0) {
@@ -604,12 +595,13 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
 				 */
 				break;
 			if (err)
-				goto out;
+				goto out4;
 		}
 
-		err = check_export(nd.path.dentry->d_inode, exp.ex_flags,
+		err = check_export(exp.ex_path.dentry->d_inode, exp.ex_flags,
 				   exp.ex_uuid);
-		if (err) goto out;
+		if (err)
+			goto out4;
 	}
 
 	expp = svc_export_lookup(&exp);
@@ -622,15 +614,16 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
 		err = -ENOMEM;
 	else
 		exp_put(expp);
- out:
+out4:
 	nfsd4_fslocs_free(&exp.ex_fslocs);
 	kfree(exp.ex_uuid);
+out3:
 	kfree(exp.ex_pathname);
-	if (nd.path.dentry)
-		path_put(&nd.path);
- out_no_path:
-	if (dom)
-		auth_domain_put(dom);
+out2:
+	path_put(&exp.ex_path);
+out1:
+	auth_domain_put(dom);
+out:
 	kfree(buf);
 	return err;
 }
-- 
GitLab


From a63bb99660d82dfe7c51588e1f9aadefb756ba51 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 01:03:36 -0400
Subject: [PATCH 2080/2224] [PATCH] switch nfsd to kern_path()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfsd/export.c      | 48 ++++++++++++++++++++---------------------
 fs/nfsd/nfs4recover.c | 50 +++++++++++++++++++++----------------------
 fs/nfsd/nfs4state.c   |  8 +++----
 fs/nfsd/nfsctl.c      |  8 +++----
 4 files changed, 56 insertions(+), 58 deletions(-)

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 2fa61f003ff..676201dbdf8 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -162,20 +162,18 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
 			cache_put(&ek->h, &svc_expkey_cache);
 		else err = -ENOMEM;
 	} else {
-		struct nameidata nd;
-		err = path_lookup(buf, 0, &nd);
+		err = kern_path(buf, 0, &key.ek_path);
 		if (err)
 			goto out;
 
 		dprintk("Found the path %s\n", buf);
-		key.ek_path = nd.path;
 
 		ek = svc_expkey_update(&key, ek);
 		if (ek)
 			cache_put(&ek->h, &svc_expkey_cache);
 		else
 			err = -ENOMEM;
-		path_put(&nd.path);
+		path_put(&key.ek_path);
 	}
 	cache_flush();
  out:
@@ -991,7 +989,7 @@ exp_export(struct nfsctl_export *nxp)
 	struct svc_export	*exp = NULL;
 	struct svc_export	new;
 	struct svc_expkey	*fsid_key = NULL;
-	struct nameidata nd;
+	struct path path;
 	int		err;
 
 	/* Consistency check */
@@ -1014,12 +1012,12 @@ exp_export(struct nfsctl_export *nxp)
 
 
 	/* Look up the dentry */
-	err = path_lookup(nxp->ex_path, 0, &nd);
+	err = kern_path(nxp->ex_path, 0, &path);
 	if (err)
 		goto out_put_clp;
 	err = -EINVAL;
 
-	exp = exp_get_by_name(clp, nd.path.mnt, nd.path.dentry, NULL);
+	exp = exp_get_by_name(clp, path.mnt, path.dentry, NULL);
 
 	memset(&new, 0, sizeof(new));
 
@@ -1027,8 +1025,8 @@ exp_export(struct nfsctl_export *nxp)
 	if ((nxp->ex_flags & NFSEXP_FSID) &&
 	    (!IS_ERR(fsid_key = exp_get_fsid_key(clp, nxp->ex_dev))) &&
 	    fsid_key->ek_path.mnt &&
-	    (fsid_key->ek_path.mnt != nd.path.mnt ||
-	     fsid_key->ek_path.dentry != nd.path.dentry))
+	    (fsid_key->ek_path.mnt != path.mnt ||
+	     fsid_key->ek_path.dentry != path.dentry))
 		goto finish;
 
 	if (!IS_ERR(exp)) {
@@ -1044,7 +1042,7 @@ exp_export(struct nfsctl_export *nxp)
 		goto finish;
 	}
 
-	err = check_export(nd.path.dentry->d_inode, nxp->ex_flags, NULL);
+	err = check_export(path.dentry->d_inode, nxp->ex_flags, NULL);
 	if (err) goto finish;
 
 	err = -ENOMEM;
@@ -1057,7 +1055,7 @@ exp_export(struct nfsctl_export *nxp)
 	if (!new.ex_pathname)
 		goto finish;
 	new.ex_client = clp;
-	new.ex_path = nd.path;
+	new.ex_path = path;
 	new.ex_flags = nxp->ex_flags;
 	new.ex_anon_uid = nxp->ex_anon_uid;
 	new.ex_anon_gid = nxp->ex_anon_gid;
@@ -1083,7 +1081,7 @@ finish:
 		exp_put(exp);
 	if (fsid_key && !IS_ERR(fsid_key))
 		cache_put(&fsid_key->h, &svc_expkey_cache);
-	path_put(&nd.path);
+	path_put(&path);
 out_put_clp:
 	auth_domain_put(clp);
 out_unlock:
@@ -1114,7 +1112,7 @@ exp_unexport(struct nfsctl_export *nxp)
 {
 	struct auth_domain *dom;
 	svc_export *exp;
-	struct nameidata nd;
+	struct path path;
 	int		err;
 
 	/* Consistency check */
@@ -1131,13 +1129,13 @@ exp_unexport(struct nfsctl_export *nxp)
 		goto out_unlock;
 	}
 
-	err = path_lookup(nxp->ex_path, 0, &nd);
+	err = kern_path(nxp->ex_path, 0, &path);
 	if (err)
 		goto out_domain;
 
 	err = -EINVAL;
-	exp = exp_get_by_name(dom, nd.path.mnt, nd.path.dentry, NULL);
-	path_put(&nd.path);
+	exp = exp_get_by_name(dom, path.mnt, path.dentry, NULL);
+	path_put(&path);
 	if (IS_ERR(exp))
 		goto out_domain;
 
@@ -1159,26 +1157,26 @@ out_unlock:
  * since its harder to fool a kernel module than a user space program.
  */
 int
-exp_rootfh(svc_client *clp, char *path, struct knfsd_fh *f, int maxsize)
+exp_rootfh(svc_client *clp, char *name, struct knfsd_fh *f, int maxsize)
 {
 	struct svc_export	*exp;
-	struct nameidata	nd;
+	struct path		path;
 	struct inode		*inode;
 	struct svc_fh		fh;
 	int			err;
 
 	err = -EPERM;
 	/* NB: we probably ought to check that it's NUL-terminated */
-	if (path_lookup(path, 0, &nd)) {
-		printk("nfsd: exp_rootfh path not found %s", path);
+	if (kern_path(name, 0, &path)) {
+		printk("nfsd: exp_rootfh path not found %s", name);
 		return err;
 	}
-	inode = nd.path.dentry->d_inode;
+	inode = path.dentry->d_inode;
 
 	dprintk("nfsd: exp_rootfh(%s [%p] %s:%s/%ld)\n",
-		 path, nd.path.dentry, clp->name,
+		 name, path.dentry, clp->name,
 		 inode->i_sb->s_id, inode->i_ino);
-	exp = exp_parent(clp, nd.path.mnt, nd.path.dentry, NULL);
+	exp = exp_parent(clp, path.mnt, path.dentry, NULL);
 	if (IS_ERR(exp)) {
 		err = PTR_ERR(exp);
 		goto out;
@@ -1188,7 +1186,7 @@ exp_rootfh(svc_client *clp, char *path, struct knfsd_fh *f, int maxsize)
 	 * fh must be initialized before calling fh_compose
 	 */
 	fh_init(&fh, maxsize);
-	if (fh_compose(&fh, exp, nd.path.dentry, NULL))
+	if (fh_compose(&fh, exp, path.dentry, NULL))
 		err = -EINVAL;
 	else
 		err = 0;
@@ -1196,7 +1194,7 @@ exp_rootfh(svc_client *clp, char *path, struct knfsd_fh *f, int maxsize)
 	fh_put(&fh);
 	exp_put(exp);
 out:
-	path_put(&nd.path);
+	path_put(&path);
 	return err;
 }
 
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 145b3c877a2..bb93946ace2 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -51,7 +51,7 @@
 #define NFSDDBG_FACILITY                NFSDDBG_PROC
 
 /* Globals */
-static struct nameidata rec_dir;
+static struct path rec_dir;
 static int rec_dir_init = 0;
 
 static void
@@ -121,9 +121,9 @@ out_no_tfm:
 static void
 nfsd4_sync_rec_dir(void)
 {
-	mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
-	nfsd_sync_dir(rec_dir.path.dentry);
-	mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
+	mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+	nfsd_sync_dir(rec_dir.dentry);
+	mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
 }
 
 int
@@ -143,9 +143,9 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
 	nfs4_save_user(&uid, &gid);
 
 	/* lock the parent */
-	mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
+	mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
 
-	dentry = lookup_one_len(dname, rec_dir.path.dentry, HEXDIR_LEN-1);
+	dentry = lookup_one_len(dname, rec_dir.dentry, HEXDIR_LEN-1);
 	if (IS_ERR(dentry)) {
 		status = PTR_ERR(dentry);
 		goto out_unlock;
@@ -155,15 +155,15 @@ nfsd4_create_clid_dir(struct nfs4_client *clp)
 		dprintk("NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n");
 		goto out_put;
 	}
-	status = mnt_want_write(rec_dir.path.mnt);
+	status = mnt_want_write(rec_dir.mnt);
 	if (status)
 		goto out_put;
-	status = vfs_mkdir(rec_dir.path.dentry->d_inode, dentry, S_IRWXU);
-	mnt_drop_write(rec_dir.path.mnt);
+	status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU);
+	mnt_drop_write(rec_dir.mnt);
 out_put:
 	dput(dentry);
 out_unlock:
-	mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
+	mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
 	if (status == 0) {
 		clp->cl_firststate = 1;
 		nfsd4_sync_rec_dir();
@@ -226,7 +226,7 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f)
 
 	nfs4_save_user(&uid, &gid);
 
-	filp = dentry_open(dget(dir), mntget(rec_dir.path.mnt), O_RDONLY);
+	filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY);
 	status = PTR_ERR(filp);
 	if (IS_ERR(filp))
 		goto out;
@@ -291,9 +291,9 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 
 	dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
 
-	mutex_lock(&rec_dir.path.dentry->d_inode->i_mutex);
-	dentry = lookup_one_len(name, rec_dir.path.dentry, namlen);
-	mutex_unlock(&rec_dir.path.dentry->d_inode->i_mutex);
+	mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+	dentry = lookup_one_len(name, rec_dir.dentry, namlen);
+	mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
 	if (IS_ERR(dentry)) {
 		status = PTR_ERR(dentry);
 		return status;
@@ -302,7 +302,7 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 	if (!dentry->d_inode)
 		goto out;
 
-	status = nfsd4_clear_clid_dir(rec_dir.path.dentry, dentry);
+	status = nfsd4_clear_clid_dir(rec_dir.dentry, dentry);
 out:
 	dput(dentry);
 	return status;
@@ -318,7 +318,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
 	if (!rec_dir_init || !clp->cl_firststate)
 		return;
 
-	status = mnt_want_write(rec_dir.path.mnt);
+	status = mnt_want_write(rec_dir.mnt);
 	if (status)
 		goto out;
 	clp->cl_firststate = 0;
@@ -327,7 +327,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
 	nfs4_reset_user(uid, gid);
 	if (status == 0)
 		nfsd4_sync_rec_dir();
-	mnt_drop_write(rec_dir.path.mnt);
+	mnt_drop_write(rec_dir.mnt);
 out:
 	if (status)
 		printk("NFSD: Failed to remove expired client state directory"
@@ -357,17 +357,17 @@ nfsd4_recdir_purge_old(void) {
 
 	if (!rec_dir_init)
 		return;
-	status = mnt_want_write(rec_dir.path.mnt);
+	status = mnt_want_write(rec_dir.mnt);
 	if (status)
 		goto out;
-	status = nfsd4_list_rec_dir(rec_dir.path.dentry, purge_old);
+	status = nfsd4_list_rec_dir(rec_dir.dentry, purge_old);
 	if (status == 0)
 		nfsd4_sync_rec_dir();
-	mnt_drop_write(rec_dir.path.mnt);
+	mnt_drop_write(rec_dir.mnt);
 out:
 	if (status)
 		printk("nfsd4: failed to purge old clients from recovery"
-			" directory %s\n", rec_dir.path.dentry->d_name.name);
+			" directory %s\n", rec_dir.dentry->d_name.name);
 }
 
 static int
@@ -387,10 +387,10 @@ int
 nfsd4_recdir_load(void) {
 	int status;
 
-	status = nfsd4_list_rec_dir(rec_dir.path.dentry, load_recdir);
+	status = nfsd4_list_rec_dir(rec_dir.dentry, load_recdir);
 	if (status)
 		printk("nfsd4: failed loading clients from recovery"
-			" directory %s\n", rec_dir.path.dentry->d_name.name);
+			" directory %s\n", rec_dir.dentry->d_name.name);
 	return status;
 }
 
@@ -412,7 +412,7 @@ nfsd4_init_recdir(char *rec_dirname)
 
 	nfs4_save_user(&uid, &gid);
 
-	status = path_lookup(rec_dirname, LOOKUP_FOLLOW | LOOKUP_DIRECTORY,
+	status = kern_path(rec_dirname, LOOKUP_FOLLOW | LOOKUP_DIRECTORY,
 			&rec_dir);
 	if (status)
 		printk("NFSD: unable to find recovery directory %s\n",
@@ -429,5 +429,5 @@ nfsd4_shutdown_recdir(void)
 	if (!rec_dir_init)
 		return;
 	rec_dir_init = 0;
-	path_put(&rec_dir.path);
+	path_put(&rec_dir);
 }
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 0cc7ff5d5ab..b0bebc552a1 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3284,17 +3284,17 @@ int
 nfs4_reset_recoverydir(char *recdir)
 {
 	int status;
-	struct nameidata nd;
+	struct path path;
 
-	status = path_lookup(recdir, LOOKUP_FOLLOW, &nd);
+	status = kern_path(recdir, LOOKUP_FOLLOW, &path);
 	if (status)
 		return status;
 	status = -ENOTDIR;
-	if (S_ISDIR(nd.path.dentry->d_inode->i_mode)) {
+	if (S_ISDIR(path.dentry->d_inode->i_mode)) {
 		nfs4_set_recdir(recdir);
 		status = 0;
 	}
-	path_put(&nd.path);
+	path_put(&path);
 	return status;
 }
 
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 97543df5824..e3f9783fdcf 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -341,7 +341,7 @@ static ssize_t failover_unlock_ip(struct file *file, char *buf, size_t size)
 
 static ssize_t failover_unlock_fs(struct file *file, char *buf, size_t size)
 {
-	struct nameidata nd;
+	struct path path;
 	char *fo_path;
 	int error;
 
@@ -356,13 +356,13 @@ static ssize_t failover_unlock_fs(struct file *file, char *buf, size_t size)
 	if (qword_get(&buf, fo_path, size) < 0)
 		return -EINVAL;
 
-	error = path_lookup(fo_path, 0, &nd);
+	error = kern_path(fo_path, 0, &path);
 	if (error)
 		return error;
 
-	error = nlmsvc_unlock_all_by_sb(nd.path.mnt->mnt_sb);
+	error = nlmsvc_unlock_all_by_sb(path.mnt->mnt_sb);
 
-	path_put(&nd.path);
+	path_put(&path);
 	return error;
 }
 
-- 
GitLab


From 421748ecde8e69a6364e5ae66eb3bf87e1f995c0 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 01:04:36 -0400
Subject: [PATCH 2081/2224] [PATCH] assorted path_lookup() -> kern_path()
 conversions

more nameidata eviction

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/block_dev.c        | 14 +++++++-------
 fs/configfs/symlink.c | 16 ++++++++--------
 fs/ecryptfs/main.c    | 23 +++++++++--------------
 net/unix/af_unix.c    | 18 ++++++++++--------
 4 files changed, 34 insertions(+), 37 deletions(-)

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 218408eed1b..d06fe3c3dd3 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1268,33 +1268,33 @@ EXPORT_SYMBOL(ioctl_by_bdev);
  * namespace if possible and return it.  Return ERR_PTR(error)
  * otherwise.
  */
-struct block_device *lookup_bdev(const char *path)
+struct block_device *lookup_bdev(const char *pathname)
 {
 	struct block_device *bdev;
 	struct inode *inode;
-	struct nameidata nd;
+	struct path path;
 	int error;
 
-	if (!path || !*path)
+	if (!pathname || !*pathname)
 		return ERR_PTR(-EINVAL);
 
-	error = path_lookup(path, LOOKUP_FOLLOW, &nd);
+	error = kern_path(pathname, LOOKUP_FOLLOW, &path);
 	if (error)
 		return ERR_PTR(error);
 
-	inode = nd.path.dentry->d_inode;
+	inode = path.dentry->d_inode;
 	error = -ENOTBLK;
 	if (!S_ISBLK(inode->i_mode))
 		goto fail;
 	error = -EACCES;
-	if (nd.path.mnt->mnt_flags & MNT_NODEV)
+	if (path.mnt->mnt_flags & MNT_NODEV)
 		goto fail;
 	error = -ENOMEM;
 	bdev = bd_acquire(inode);
 	if (!bdev)
 		goto fail;
 out:
-	path_put(&nd.path);
+	path_put(&path);
 	return bdev;
 fail:
 	bdev = ERR_PTR(error);
diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c
index bf74973b049..932a92b3148 100644
--- a/fs/configfs/symlink.c
+++ b/fs/configfs/symlink.c
@@ -108,18 +108,18 @@ out:
 }
 
 
-static int get_target(const char *symname, struct nameidata *nd,
+static int get_target(const char *symname, struct path *path,
 		      struct config_item **target)
 {
 	int ret;
 
-	ret = path_lookup(symname, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, nd);
+	ret = kern_path(symname, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, path);
 	if (!ret) {
-		if (nd->path.dentry->d_sb == configfs_sb) {
-			*target = configfs_get_config_item(nd->path.dentry);
+		if (path->dentry->d_sb == configfs_sb) {
+			*target = configfs_get_config_item(path->dentry);
 			if (!*target) {
 				ret = -ENOENT;
-				path_put(&nd->path);
+				path_put(path);
 			}
 		} else
 			ret = -EPERM;
@@ -132,7 +132,7 @@ static int get_target(const char *symname, struct nameidata *nd,
 int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
 {
 	int ret;
-	struct nameidata nd;
+	struct path path;
 	struct configfs_dirent *sd;
 	struct config_item *parent_item;
 	struct config_item *target_item;
@@ -159,7 +159,7 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna
 	    !type->ct_item_ops->allow_link)
 		goto out_put;
 
-	ret = get_target(symname, &nd, &target_item);
+	ret = get_target(symname, &path, &target_item);
 	if (ret)
 		goto out_put;
 
@@ -174,7 +174,7 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna
 	}
 
 	config_item_put(target_item);
-	path_put(&nd.path);
+	path_put(&path);
 
 out_put:
 	config_item_put(parent_item);
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 046e027a4cb..64d2ba980df 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -471,31 +471,26 @@ out:
  */
 static int ecryptfs_read_super(struct super_block *sb, const char *dev_name)
 {
+	struct path path;
 	int rc;
-	struct nameidata nd;
-	struct dentry *lower_root;
-	struct vfsmount *lower_mnt;
 
-	memset(&nd, 0, sizeof(struct nameidata));
-	rc = path_lookup(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &nd);
+	rc = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path);
 	if (rc) {
 		ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
 		goto out;
 	}
-	lower_root = nd.path.dentry;
-	lower_mnt = nd.path.mnt;
-	ecryptfs_set_superblock_lower(sb, lower_root->d_sb);
-	sb->s_maxbytes = lower_root->d_sb->s_maxbytes;
-	sb->s_blocksize = lower_root->d_sb->s_blocksize;
-	ecryptfs_set_dentry_lower(sb->s_root, lower_root);
-	ecryptfs_set_dentry_lower_mnt(sb->s_root, lower_mnt);
-	rc = ecryptfs_interpose(lower_root, sb->s_root, sb, 0);
+	ecryptfs_set_superblock_lower(sb, path.dentry->d_sb);
+	sb->s_maxbytes = path.dentry->d_sb->s_maxbytes;
+	sb->s_blocksize = path.dentry->d_sb->s_blocksize;
+	ecryptfs_set_dentry_lower(sb->s_root, path.dentry);
+	ecryptfs_set_dentry_lower_mnt(sb->s_root, path.mnt);
+	rc = ecryptfs_interpose(path.dentry, sb->s_root, sb, 0);
 	if (rc)
 		goto out_free;
 	rc = 0;
 	goto out;
 out_free:
-	path_put(&nd.path);
+	path_put(&path);
 out:
 	return rc;
 }
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index c647aab8d41..dc504d308ec 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -711,28 +711,30 @@ static struct sock *unix_find_other(struct net *net,
 				    int type, unsigned hash, int *error)
 {
 	struct sock *u;
-	struct nameidata nd;
+	struct path path;
 	int err = 0;
 
 	if (sunname->sun_path[0]) {
-		err = path_lookup(sunname->sun_path, LOOKUP_FOLLOW, &nd);
+		struct inode *inode;
+		err = kern_path(sunname->sun_path, LOOKUP_FOLLOW, &path);
 		if (err)
 			goto fail;
-		err = vfs_permission(&nd, MAY_WRITE);
+		inode = path.dentry->d_inode;
+		err = inode_permission(inode, MAY_WRITE);
 		if (err)
 			goto put_fail;
 
 		err = -ECONNREFUSED;
-		if (!S_ISSOCK(nd.path.dentry->d_inode->i_mode))
+		if (!S_ISSOCK(inode->i_mode))
 			goto put_fail;
-		u = unix_find_socket_byinode(net, nd.path.dentry->d_inode);
+		u = unix_find_socket_byinode(net, inode);
 		if (!u)
 			goto put_fail;
 
 		if (u->sk_type == type)
-			touch_atime(nd.path.mnt, nd.path.dentry);
+			touch_atime(path.mnt, path.dentry);
 
-		path_put(&nd.path);
+		path_put(&path);
 
 		err=-EPROTOTYPE;
 		if (u->sk_type != type) {
@@ -753,7 +755,7 @@ static struct sock *unix_find_other(struct net *net,
 	return u;
 
 put_fail:
-	path_put(&nd.path);
+	path_put(&path);
 fail:
 	*error=err;
 	return NULL;
-- 
GitLab


From 98bc993f99e51467057ef699e47fec020f24d233 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 01:06:21 -0400
Subject: [PATCH 2082/2224] [PATCH] get rid of nameidata in audit_tree

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 kernel/audit_tree.c | 48 ++++++++++++++++++++++-----------------------
 1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index f7921a2ecf1..8ba0e0d934f 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -532,7 +532,7 @@ void audit_trim_trees(void)
 	list_add(&cursor, &tree_list);
 	while (cursor.next != &tree_list) {
 		struct audit_tree *tree;
-		struct nameidata nd;
+		struct path path;
 		struct vfsmount *root_mnt;
 		struct node *node;
 		struct list_head list;
@@ -544,12 +544,12 @@ void audit_trim_trees(void)
 		list_add(&cursor, &tree->list);
 		mutex_unlock(&audit_filter_mutex);
 
-		err = path_lookup(tree->pathname, 0, &nd);
+		err = kern_path(tree->pathname, 0, &path);
 		if (err)
 			goto skip_it;
 
-		root_mnt = collect_mounts(nd.path.mnt, nd.path.dentry);
-		path_put(&nd.path);
+		root_mnt = collect_mounts(path.mnt, path.dentry);
+		path_put(&path);
 		if (!root_mnt)
 			goto skip_it;
 
@@ -580,19 +580,19 @@ skip_it:
 }
 
 static int is_under(struct vfsmount *mnt, struct dentry *dentry,
-		    struct nameidata *nd)
+		    struct path *path)
 {
-	if (mnt != nd->path.mnt) {
+	if (mnt != path->mnt) {
 		for (;;) {
 			if (mnt->mnt_parent == mnt)
 				return 0;
-			if (mnt->mnt_parent == nd->path.mnt)
+			if (mnt->mnt_parent == path->mnt)
 					break;
 			mnt = mnt->mnt_parent;
 		}
 		dentry = mnt->mnt_mountpoint;
 	}
-	return is_subdir(dentry, nd->path.dentry);
+	return is_subdir(dentry, path->dentry);
 }
 
 int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op)
@@ -618,7 +618,7 @@ void audit_put_tree(struct audit_tree *tree)
 int audit_add_tree_rule(struct audit_krule *rule)
 {
 	struct audit_tree *seed = rule->tree, *tree;
-	struct nameidata nd;
+	struct path path;
 	struct vfsmount *mnt, *p;
 	struct list_head list;
 	int err;
@@ -637,11 +637,11 @@ int audit_add_tree_rule(struct audit_krule *rule)
 	/* do not set rule->tree yet */
 	mutex_unlock(&audit_filter_mutex);
 
-	err = path_lookup(tree->pathname, 0, &nd);
+	err = kern_path(tree->pathname, 0, &path);
 	if (err)
 		goto Err;
-	mnt = collect_mounts(nd.path.mnt, nd.path.dentry);
-	path_put(&nd.path);
+	mnt = collect_mounts(path.mnt, path.dentry);
+	path_put(&path);
 	if (!mnt) {
 		err = -ENOMEM;
 		goto Err;
@@ -690,29 +690,29 @@ int audit_tag_tree(char *old, char *new)
 {
 	struct list_head cursor, barrier;
 	int failed = 0;
-	struct nameidata nd;
+	struct path path;
 	struct vfsmount *tagged;
 	struct list_head list;
 	struct vfsmount *mnt;
 	struct dentry *dentry;
 	int err;
 
-	err = path_lookup(new, 0, &nd);
+	err = kern_path(new, 0, &path);
 	if (err)
 		return err;
-	tagged = collect_mounts(nd.path.mnt, nd.path.dentry);
-	path_put(&nd.path);
+	tagged = collect_mounts(path.mnt, path.dentry);
+	path_put(&path);
 	if (!tagged)
 		return -ENOMEM;
 
-	err = path_lookup(old, 0, &nd);
+	err = kern_path(old, 0, &path);
 	if (err) {
 		drop_collected_mounts(tagged);
 		return err;
 	}
-	mnt = mntget(nd.path.mnt);
-	dentry = dget(nd.path.dentry);
-	path_put(&nd.path);
+	mnt = mntget(path.mnt);
+	dentry = dget(path.dentry);
+	path_put(&path);
 
 	if (dentry == tagged->mnt_root && dentry == mnt->mnt_root)
 		follow_up(&mnt, &dentry);
@@ -733,7 +733,7 @@ int audit_tag_tree(char *old, char *new)
 		list_add(&cursor, &tree->list);
 		mutex_unlock(&audit_filter_mutex);
 
-		err = path_lookup(tree->pathname, 0, &nd);
+		err = kern_path(tree->pathname, 0, &path);
 		if (err) {
 			put_tree(tree);
 			mutex_lock(&audit_filter_mutex);
@@ -741,15 +741,15 @@ int audit_tag_tree(char *old, char *new)
 		}
 
 		spin_lock(&vfsmount_lock);
-		if (!is_under(mnt, dentry, &nd)) {
+		if (!is_under(mnt, dentry, &path)) {
 			spin_unlock(&vfsmount_lock);
-			path_put(&nd.path);
+			path_put(&path);
 			put_tree(tree);
 			mutex_lock(&audit_filter_mutex);
 			continue;
 		}
 		spin_unlock(&vfsmount_lock);
-		path_put(&nd.path);
+		path_put(&path);
 
 		list_for_each_entry(p, &list, mnt_list) {
 			failed = tag_chunk(p->mnt_root->d_inode, tree);
-- 
GitLab


From 8737f3a1b3c6a38a2a064552d4536633a5a16cd3 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 22:36:57 -0400
Subject: [PATCH 2083/2224] [PATCH] get rid of path_lookup_create()

... and don't pass bogus flags when we are just looking for parent.
Fold __path_lookup_intent_open() into path_lookup_open() while we
are at it; that's the only remaining caller.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/namei.c | 61 ++++++++++++++++++++----------------------------------
 1 file changed, 22 insertions(+), 39 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 4a56f9b59e8..e584f04745b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1147,9 +1147,16 @@ int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,
 
 }
 
-static int __path_lookup_intent_open(int dfd, const char *name,
-		unsigned int lookup_flags, struct nameidata *nd,
-		int open_flags, int create_mode)
+/**
+ * path_lookup_open - lookup a file path with open intent
+ * @dfd: the directory to use as base, or AT_FDCWD
+ * @name: pointer to file name
+ * @lookup_flags: lookup intent flags
+ * @nd: pointer to nameidata
+ * @open_flags: open intent flags
+ */
+int path_lookup_open(int dfd, const char *name, unsigned int lookup_flags,
+		struct nameidata *nd, int open_flags)
 {
 	struct file *filp = get_empty_filp();
 	int err;
@@ -1158,7 +1165,7 @@ static int __path_lookup_intent_open(int dfd, const char *name,
 		return -ENFILE;
 	nd->intent.open.file = filp;
 	nd->intent.open.flags = open_flags;
-	nd->intent.open.create_mode = create_mode;
+	nd->intent.open.create_mode = 0;
 	err = do_path_lookup(dfd, name, lookup_flags|LOOKUP_OPEN, nd);
 	if (IS_ERR(nd->intent.open.file)) {
 		if (err == 0) {
@@ -1170,38 +1177,6 @@ static int __path_lookup_intent_open(int dfd, const char *name,
 	return err;
 }
 
-/**
- * path_lookup_open - lookup a file path with open intent
- * @dfd: the directory to use as base, or AT_FDCWD
- * @name: pointer to file name
- * @lookup_flags: lookup intent flags
- * @nd: pointer to nameidata
- * @open_flags: open intent flags
- */
-int path_lookup_open(int dfd, const char *name, unsigned int lookup_flags,
-		struct nameidata *nd, int open_flags)
-{
-	return __path_lookup_intent_open(dfd, name, lookup_flags, nd,
-			open_flags, 0);
-}
-
-/**
- * path_lookup_create - lookup a file path with open + create intent
- * @dfd: the directory to use as base, or AT_FDCWD
- * @name: pointer to file name
- * @lookup_flags: lookup intent flags
- * @nd: pointer to nameidata
- * @open_flags: open intent flags
- * @create_mode: create intent flags
- */
-static int path_lookup_create(int dfd, const char *name,
-			      unsigned int lookup_flags, struct nameidata *nd,
-			      int open_flags, int create_mode)
-{
-	return __path_lookup_intent_open(dfd, name, lookup_flags|LOOKUP_CREATE,
-			nd, open_flags, create_mode);
-}
-
 static struct dentry *__lookup_hash(struct qstr *name,
 		struct dentry *base, struct nameidata *nd)
 {
@@ -1711,8 +1686,7 @@ struct file *do_filp_open(int dfd, const char *pathname,
 	/*
 	 * Create - we need to know the parent.
 	 */
-	error = path_lookup_create(dfd, pathname, LOOKUP_PARENT,
-				   &nd, flag, mode);
+	error = do_path_lookup(dfd, pathname, LOOKUP_PARENT, &nd);
 	if (error)
 		return ERR_PTR(error);
 
@@ -1723,10 +1697,18 @@ struct file *do_filp_open(int dfd, const char *pathname,
 	 */
 	error = -EISDIR;
 	if (nd.last_type != LAST_NORM || nd.last.name[nd.last.len])
-		goto exit;
+		goto exit_parent;
 
+	error = -ENFILE;
+	filp = get_empty_filp();
+	if (filp == NULL)
+		goto exit_parent;
+	nd.intent.open.file = filp;
+	nd.intent.open.flags = flag;
+	nd.intent.open.create_mode = mode;
 	dir = nd.path.dentry;
 	nd.flags &= ~LOOKUP_PARENT;
+	nd.flags |= LOOKUP_CREATE | LOOKUP_OPEN;
 	mutex_lock(&dir->d_inode->i_mutex);
 	path.dentry = lookup_hash(&nd);
 	path.mnt = nd.path.mnt;
@@ -1831,6 +1813,7 @@ exit_dput:
 exit:
 	if (!IS_ERR(nd.intent.open.file))
 		release_open_intent(&nd);
+exit_parent:
 	path_put(&nd.path);
 	return ERR_PTR(error);
 
-- 
GitLab


From 2c552d81363e0dac66d478046cc8a3948a67eae9 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 2 Aug 2008 22:40:42 -0400
Subject: [PATCH 2084/2224] [PATCH] don't pass bogus flags to LOOKUP_PARENT
 lookup in spufs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/powerpc/platforms/cell/spufs/syscalls.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index 49c87769b1f..c23617c6baf 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -69,9 +69,9 @@ static long do_spu_create(const char __user *pathname, unsigned int flags,
 	if (!IS_ERR(tmp)) {
 		struct nameidata nd;
 
-		ret = path_lookup(tmp, LOOKUP_PARENT|
-				LOOKUP_OPEN|LOOKUP_CREATE, &nd);
+		ret = path_lookup(tmp, LOOKUP_PARENT, &nd);
 		if (!ret) {
+			nd.flags |= LOOKUP_OPEN | LOOKUP_CREATE;
 			ret = spufs_create(&nd, flags, mode, neighbor);
 			path_put(&nd.path);
 		}
-- 
GitLab


From 3516586a424ea5727be089da6541cbd5644f0497 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 5 Aug 2008 03:00:49 -0400
Subject: [PATCH 2085/2224] [PATCH] make O_EXCL in nd->intent.flags visible in
 nd->flags

New flag: LOOKUP_EXCL.  Set before doing the final step of pathname
resolution on the paths that have LOOKUP_CREATE and O_EXCL.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/gfs2/ops_inode.c   | 2 +-
 fs/namei.c            | 4 +++-
 fs/nfs/dir.c          | 6 ++----
 include/linux/namei.h | 5 +++--
 4 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 534e1e2c65c..d232991b904 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -69,7 +69,7 @@ static int gfs2_create(struct inode *dir, struct dentry *dentry,
 			mark_inode_dirty(inode);
 			break;
 		} else if (PTR_ERR(inode) != -EEXIST ||
-			   (nd && (nd->intent.open.flags & O_EXCL))) {
+			   (nd && nd->flags & LOOKUP_EXCL)) {
 			gfs2_holder_uninit(ghs);
 			return PTR_ERR(inode);
 		}
diff --git a/fs/namei.c b/fs/namei.c
index e584f04745b..2b8f823eda4 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1709,6 +1709,8 @@ struct file *do_filp_open(int dfd, const char *pathname,
 	dir = nd.path.dentry;
 	nd.flags &= ~LOOKUP_PARENT;
 	nd.flags |= LOOKUP_CREATE | LOOKUP_OPEN;
+	if (flag & O_EXCL)
+		nd.flags |= LOOKUP_EXCL;
 	mutex_lock(&dir->d_inode->i_mutex);
 	path.dentry = lookup_hash(&nd);
 	path.mnt = nd.path.mnt;
@@ -1906,7 +1908,7 @@ struct dentry *lookup_create(struct nameidata *nd, int is_dir)
 	if (nd->last_type != LAST_NORM)
 		goto fail;
 	nd->flags &= ~LOOKUP_PARENT;
-	nd->flags |= LOOKUP_CREATE;
+	nd->flags |= LOOKUP_CREATE | LOOKUP_EXCL;
 	nd->intent.open.flags = O_EXCL;
 
 	/*
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index efdba2e802d..c216c8786c5 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -707,9 +707,7 @@ static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd)
 {
 	if (NFS_PROTO(dir)->version == 2)
 		return 0;
-	if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_CREATE) == 0)
-		return 0;
-	return (nd->intent.open.flags & O_EXCL) != 0;
+	return nd && nfs_lookup_check_intent(nd, LOOKUP_EXCL);
 }
 
 /*
@@ -1009,7 +1007,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
 
 	/* Let vfs_create() deal with O_EXCL. Instantiate, but don't hash
 	 * the dentry. */
-	if (nd->intent.open.flags & O_EXCL) {
+	if (nd->flags & LOOKUP_EXCL) {
 		d_instantiate(dentry, NULL);
 		goto out;
 	}
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 221e8bc894b..6b5627afd2e 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -51,8 +51,9 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
 /*
  * Intent data
  */
-#define LOOKUP_OPEN		(0x0100)
-#define LOOKUP_CREATE		(0x0200)
+#define LOOKUP_OPEN		0x0100
+#define LOOKUP_CREATE		0x0200
+#define LOOKUP_EXCL		0x0400
 
 extern int user_path_at(int, const char __user *, unsigned, struct path *);
 
-- 
GitLab


From 72e8264eda02b6ba85a222b9620802ebf23c6a10 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 11 Aug 2008 00:24:08 +0200
Subject: [PATCH 2086/2224] [PATCH] dm: kill lookup_device wrapper

Now that lookup_bdev is exported and used by dm just use it directly
instead of through a trivial wrapper.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 drivers/md/dm-table.c | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index a740a6950f5..1407eb96f1a 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -312,19 +312,6 @@ static inline int check_space(struct dm_table *t)
 	return 0;
 }
 
-/*
- * Convert a device path to a dev_t.
- */
-static int lookup_device(const char *path, dev_t *dev)
-{
-	struct block_device *bdev = lookup_bdev(path);
-	if (IS_ERR(bdev))
-		return PTR_ERR(bdev);
-	*dev = bdev->bd_dev;
-	bdput(bdev);
-	return 0;
-}
-
 /*
  * See if we've already got a device in the list.
  */
@@ -437,8 +424,12 @@ static int __table_get_device(struct dm_table *t, struct dm_target *ti,
 			return -EOVERFLOW;
 	} else {
 		/* convert the path to a device */
-		if ((r = lookup_device(path, &dev)))
-			return r;
+		struct block_device *bdev = lookup_bdev(path);
+
+		if (IS_ERR(bdev))
+			return PTR_ERR(bdev);
+		dev = bdev->bd_dev;
+		bdput(bdev);
 	}
 
 	dd = find_device(&t->devices, dev);
-- 
GitLab


From ca30bc99527ab968707bafc09e38807de7e70c4a Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 11 Aug 2008 00:27:59 +0200
Subject: [PATCH 2087/2224] [PATCH] hpfs: cleanup ->setattr

Reformat hpfs_notify_change to standard kernel style to make it readable
and rename it to hpfs_setattr as that's what the method is called.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/hpfs/file.c    |  2 +-
 fs/hpfs/hpfs_fn.h |  2 +-
 fs/hpfs/inode.c   | 29 +++++++++++++++++++----------
 fs/hpfs/namei.c   |  2 +-
 4 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index be8be5040e0..64ab5225920 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -143,5 +143,5 @@ const struct file_operations hpfs_file_ops =
 const struct inode_operations hpfs_file_iops =
 {
 	.truncate	= hpfs_truncate,
-	.setattr	= hpfs_notify_change,
+	.setattr	= hpfs_setattr,
 };
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 42ff60ccf2a..c2ea31bae31 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -275,7 +275,7 @@ void hpfs_init_inode(struct inode *);
 void hpfs_read_inode(struct inode *);
 void hpfs_write_inode(struct inode *);
 void hpfs_write_inode_nolock(struct inode *);
-int hpfs_notify_change(struct dentry *, struct iattr *);
+int hpfs_setattr(struct dentry *, struct iattr *);
 void hpfs_write_if_changed(struct inode *);
 void hpfs_delete_inode(struct inode *);
 
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index 85d3e1d9ac0..39a1bfbea31 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -260,19 +260,28 @@ void hpfs_write_inode_nolock(struct inode *i)
 	brelse(bh);
 }
 
-int hpfs_notify_change(struct dentry *dentry, struct iattr *attr)
+int hpfs_setattr(struct dentry *dentry, struct iattr *attr)
 {
 	struct inode *inode = dentry->d_inode;
-	int error=0;
+	int error = -EINVAL;
+
 	lock_kernel();
-	if ( ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size) ||
-	     (hpfs_sb(inode->i_sb)->sb_root == inode->i_ino) ) {
-		error = -EINVAL;
-	} else if ((error = inode_change_ok(inode, attr))) {
-	} else if ((error = inode_setattr(inode, attr))) {
-	} else {
-		hpfs_write_inode(inode);
-	}
+	if (inode->i_ino == hpfs_sb(inode->i_sb)->sb_root)
+		goto out_unlock;
+	if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size)
+		goto out_unlock;
+
+	error = inode_change_ok(inode, attr);
+	if (error)
+		goto out_unlock;
+
+	error = inode_setattr(inode, attr);
+	if (error)
+		goto out_unlock;
+
+	hpfs_write_inode(inode);
+
+ out_unlock:
 	unlock_kernel();
 	return error;
 }
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index d9c59a77544..10783f3d265 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -669,5 +669,5 @@ const struct inode_operations hpfs_dir_iops =
 	.rmdir		= hpfs_rmdir,
 	.mknod		= hpfs_mknod,
 	.rename		= hpfs_rename,
-	.setattr	= hpfs_notify_change,
+	.setattr	= hpfs_setattr,
 };
-- 
GitLab


From a518ab9329041411526ab8e05edfda7e2715244f Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 11 Aug 2008 15:34:22 +0200
Subject: [PATCH 2088/2224] [PATCH] tidy up chrdev_open

Use a single goto label for chrdev_put + return error cases.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/char_dev.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/fs/char_dev.c b/fs/char_dev.c
index 262fa10e213..700697a7261 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -386,15 +386,22 @@ static int chrdev_open(struct inode *inode, struct file *filp)
 	cdev_put(new);
 	if (ret)
 		return ret;
+
+	ret = -ENXIO;
 	filp->f_op = fops_get(p->ops);
-	if (!filp->f_op) {
-		cdev_put(p);
-		return -ENXIO;
-	}
-	if (filp->f_op->open)
+	if (!filp->f_op)
+		goto out_cdev_put;
+
+	if (filp->f_op->open) {
 		ret = filp->f_op->open(inode,filp);
-	if (ret)
-		cdev_put(p);
+		if (ret)
+			goto out_cdev_put;
+	}
+
+	return 0;
+
+ out_cdev_put:
+	cdev_put(p);
 	return ret;
 }
 
-- 
GitLab


From 3a8cff4f026c0b98bee6291eb28d4df42feb76dc Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 11 Aug 2008 15:37:17 +0200
Subject: [PATCH 2089/2224] [PATCH] generic_file_llseek tidyups

Add kerneldoc for generic_file_llseek and generic_file_llseek_unlocked,
use sane variable names and unclutter the code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/read_write.c | 58 ++++++++++++++++++++++++++++++++++---------------
 1 file changed, 40 insertions(+), 18 deletions(-)

diff --git a/fs/read_write.c b/fs/read_write.c
index 9ba495d5a29..969a6d9c020 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -31,39 +31,61 @@ const struct file_operations generic_ro_fops = {
 
 EXPORT_SYMBOL(generic_ro_fops);
 
+/**
+ * generic_file_llseek_unlocked - lockless generic llseek implementation
+ * @file:	file structure to seek on
+ * @offset:	file offset to seek to
+ * @origin:	type of seek
+ *
+ * Updates the file offset to the value specified by @offset and @origin.
+ * Locking must be provided by the caller.
+ */
 loff_t
 generic_file_llseek_unlocked(struct file *file, loff_t offset, int origin)
 {
-	loff_t retval;
 	struct inode *inode = file->f_mapping->host;
 
 	switch (origin) {
-		case SEEK_END:
-			offset += inode->i_size;
-			break;
-		case SEEK_CUR:
-			offset += file->f_pos;
+	case SEEK_END:
+		offset += inode->i_size;
+		break;
+	case SEEK_CUR:
+		offset += file->f_pos;
+		break;
 	}
-	retval = -EINVAL;
-	if (offset>=0 && offset<=inode->i_sb->s_maxbytes) {
-		/* Special lock needed here? */
-		if (offset != file->f_pos) {
-			file->f_pos = offset;
-			file->f_version = 0;
-		}
-		retval = offset;
+
+	if (offset < 0 || offset > inode->i_sb->s_maxbytes)
+		return -EINVAL;
+
+	/* Special lock needed here? */
+	if (offset != file->f_pos) {
+		file->f_pos = offset;
+		file->f_version = 0;
 	}
-	return retval;
+
+	return offset;
 }
 EXPORT_SYMBOL(generic_file_llseek_unlocked);
 
+/**
+ * generic_file_llseek - generic llseek implementation for regular files
+ * @file:	file structure to seek on
+ * @offset:	file offset to seek to
+ * @origin:	type of seek
+ *
+ * This is a generic implemenation of ->llseek useable for all normal local
+ * filesystems.  It just updates the file offset to the value specified by
+ * @offset and @origin under i_mutex.
+ */
 loff_t generic_file_llseek(struct file *file, loff_t offset, int origin)
 {
-	loff_t n;
+	loff_t rval;
+
 	mutex_lock(&file->f_dentry->d_inode->i_mutex);
-	n = generic_file_llseek_unlocked(file, offset, origin);
+	rval = generic_file_llseek_unlocked(file, offset, origin);
 	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
-	return n;
+
+	return rval;
 }
 EXPORT_SYMBOL(generic_file_llseek);
 
-- 
GitLab


From 4ea3ada2955e4519befa98ff55dd62d6dfbd1705 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 11 Aug 2008 15:48:57 +0200
Subject: [PATCH 2090/2224] [PATCH] new helper: d_obtain_alias

The calling conventions of d_alloc_anon are rather unfortunate for all
users, and it's name is not very descriptive either.

Add d_obtain_alias as a new exported helper that drops the inode
reference in the failure case, too and allows to pass-through NULL
pointers and inodes to allow for tail-calls in the export operations.

Incidentally this helper already existed as a private function in
libfs.c as exportfs_d_alloc so kill that one and switch the callers
to d_obtain_alias.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dcache.c            | 35 +++++++++++++++++++++++++++++++++++
 fs/libfs.c             | 26 ++------------------------
 include/linux/dcache.h |  1 +
 3 files changed, 38 insertions(+), 24 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index e7a1a99b746..46fc7820678 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1174,6 +1174,41 @@ struct dentry * d_alloc_anon(struct inode *inode)
 	return res;
 }
 
+/**
+ * d_obtain_alias - find or allocate a dentry for a given inode
+ * @inode: inode to allocate the dentry for
+ *
+ * Obtain a dentry for an inode resulting from NFS filehandle conversion or
+ * similar open by handle operations.  The returned dentry may be anonymous,
+ * or may have a full name (if the inode was already in the cache).
+ *
+ * When called on a directory inode, we must ensure that the inode only ever
+ * has one dentry.  If a dentry is found, that is returned instead of
+ * allocating a new one.
+ *
+ * On successful return, the reference to the inode has been transferred
+ * to the dentry.  If %NULL is returned (indicating kmalloc failure),
+ * the reference on the inode has been released.  To make it easier
+ * to use in export operations a NULL or IS_ERR inode may be passed in
+ * and will be casted to the corresponding NULL or IS_ERR dentry.
+ */
+struct dentry *d_obtain_alias(struct inode *inode)
+{
+	struct dentry *dentry;
+
+	if (!inode)
+		return NULL;
+	if (IS_ERR(inode))
+		return ERR_CAST(inode);
+
+	dentry = d_alloc_anon(inode);
+	if (!dentry) {
+		iput(inode);
+		dentry = ERR_PTR(-ENOMEM);
+	}
+	return dentry;
+}
+EXPORT_SYMBOL_GPL(d_obtain_alias);
 
 /**
  * d_splice_alias - splice a disconnected dentry into the tree if one exists
diff --git a/fs/libfs.c b/fs/libfs.c
index 1add676a19d..74688598bcf 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -732,28 +732,6 @@ out:
 	return ret;
 }
 
-/*
- * This is what d_alloc_anon should have been.  Once the exportfs
- * argument transition has been finished I will update d_alloc_anon
- * to this prototype and this wrapper will go away.   --hch
- */
-static struct dentry *exportfs_d_alloc(struct inode *inode)
-{
-	struct dentry *dentry;
-
-	if (!inode)
-		return NULL;
-	if (IS_ERR(inode))
-		return ERR_PTR(PTR_ERR(inode));
-
-	dentry = d_alloc_anon(inode);
-	if (!dentry) {
-		iput(inode);
-		dentry = ERR_PTR(-ENOMEM);
-	}
-	return dentry;
-}
-
 /**
  * generic_fh_to_dentry - generic helper for the fh_to_dentry export operation
  * @sb:		filesystem to do the file handle conversion on
@@ -782,7 +760,7 @@ struct dentry *generic_fh_to_dentry(struct super_block *sb, struct fid *fid,
 		break;
 	}
 
-	return exportfs_d_alloc(inode);
+	return d_obtain_alias(inode);
 }
 EXPORT_SYMBOL_GPL(generic_fh_to_dentry);
 
@@ -815,7 +793,7 @@ struct dentry *generic_fh_to_parent(struct super_block *sb, struct fid *fid,
 		break;
 	}
 
-	return exportfs_d_alloc(inode);
+	return d_obtain_alias(inode);
 }
 EXPORT_SYMBOL_GPL(generic_fh_to_parent);
 
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index efba1de629a..2404257d6c6 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -231,6 +231,7 @@ extern struct dentry * d_alloc(struct dentry *, const struct qstr *);
 extern struct dentry * d_alloc_anon(struct inode *);
 extern struct dentry * d_splice_alias(struct inode *, struct dentry *);
 extern struct dentry * d_add_ci(struct dentry *, struct inode *, struct qstr *);
+extern struct dentry * d_obtain_alias(struct inode *);
 extern void shrink_dcache_sb(struct super_block *);
 extern void shrink_dcache_parent(struct dentry *);
 extern void shrink_dcache_for_umount(struct super_block *);
-- 
GitLab


From 440037287c5ebb07033ab927ca16bb68c291d309 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 11 Aug 2008 15:49:04 +0200
Subject: [PATCH 2091/2224] [PATCH] switch all filesystems over to
 d_obtain_alias

Switch all users of d_alloc_anon to d_obtain_alias.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dcache.c                   | 10 +++----
 fs/efs/namei.c                | 29 +++----------------
 fs/exportfs/expfs.c           |  4 ---
 fs/ext2/namei.c               | 13 +--------
 fs/ext3/namei.c               | 14 +---------
 fs/ext4/namei.c               | 11 +-------
 fs/fat/inode.c                | 52 ++++++++++++-----------------------
 fs/fuse/inode.c               | 23 ++++++----------
 fs/gfs2/ops_export.c          | 33 ++++++----------------
 fs/isofs/export.c             | 33 ++++------------------
 fs/jfs/namei.c                | 15 +---------
 fs/nfs/getroot.c              | 14 ++++------
 fs/ntfs/namei.c               | 22 ++-------------
 fs/ocfs2/export.c             | 30 ++++----------------
 fs/reiserfs/inode.c           | 13 ++-------
 fs/reiserfs/namei.c           | 11 +-------
 fs/udf/namei.c                | 17 ++----------
 fs/xfs/linux-2.6/xfs_export.c | 32 ++-------------------
 fs/xfs/linux-2.6/xfs_ioctl.c  |  7 ++---
 19 files changed, 78 insertions(+), 305 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 46fc7820678..d45ff7f5ecc 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1187,17 +1187,17 @@ struct dentry * d_alloc_anon(struct inode *inode)
  * allocating a new one.
  *
  * On successful return, the reference to the inode has been transferred
- * to the dentry.  If %NULL is returned (indicating kmalloc failure),
- * the reference on the inode has been released.  To make it easier
- * to use in export operations a NULL or IS_ERR inode may be passed in
- * and will be casted to the corresponding NULL or IS_ERR dentry.
+ * to the dentry.  In case of an error the reference on the inode is released.
+ * To make it easier to use in export operations a %NULL or IS_ERR inode may
+ * be passed in and will be the error will be propagate to the return value,
+ * with a %NULL @inode replaced by ERR_PTR(-ESTALE).
  */
 struct dentry *d_obtain_alias(struct inode *inode)
 {
 	struct dentry *dentry;
 
 	if (!inode)
-		return NULL;
+		return ERR_PTR(-ESTALE);
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index 291abb11e20..c3fb5f9c4a4 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -112,35 +112,14 @@ struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid,
 
 struct dentry *efs_get_parent(struct dentry *child)
 {
-	struct dentry *parent;
-	struct inode *inode;
+	struct dentry *parent = ERR_PTR(-ENOENT);
 	efs_ino_t ino;
-	long error;
 
 	lock_kernel();
-
-	error = -ENOENT;
 	ino = efs_find_entry(child->d_inode, "..", 2);
-	if (!ino)
-		goto fail;
-
-	inode = efs_iget(child->d_inode->i_sb, ino);
-	if (IS_ERR(inode)) {
-		error = PTR_ERR(inode);
-		goto fail;
-	}
-
-	error = -ENOMEM;
-	parent = d_alloc_anon(inode);
-	if (!parent)
-		goto fail_iput;
-
+	if (ino)
+		parent = d_obtain_alias(efs_iget(child->d_inode->i_sb, ino));
 	unlock_kernel();
-	return parent;
 
- fail_iput:
-	iput(inode);
- fail:
-	unlock_kernel();
-	return ERR_PTR(error);
+	return parent;
 }
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index cc91227d3bb..7b0f75dcf80 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -366,8 +366,6 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
 	 * Try to get any dentry for the given file handle from the filesystem.
 	 */
 	result = nop->fh_to_dentry(mnt->mnt_sb, fid, fh_len, fileid_type);
-	if (!result)
-		result = ERR_PTR(-ESTALE);
 	if (IS_ERR(result))
 		return result;
 
@@ -422,8 +420,6 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
 
 		target_dir = nop->fh_to_parent(mnt->mnt_sb, fid,
 				fh_len, fileid_type);
-		if (!target_dir)
-			goto err_result;
 		err = PTR_ERR(target_dir);
 		if (IS_ERR(target_dir))
 			goto err_result;
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 80c97fd8c57..a1b328ab1e5 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -73,8 +73,6 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
 struct dentry *ext2_get_parent(struct dentry *child)
 {
 	unsigned long ino;
-	struct dentry *parent;
-	struct inode *inode;
 	struct dentry dotdot;
 
 	dotdot.d_name.name = "..";
@@ -83,16 +81,7 @@ struct dentry *ext2_get_parent(struct dentry *child)
 	ino = ext2_inode_by_name(child->d_inode, &dotdot);
 	if (!ino)
 		return ERR_PTR(-ENOENT);
-	inode = ext2_iget(child->d_inode->i_sb, ino);
-
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-	return parent;
+	return d_obtain_alias(ext2_iget(child->d_inode->i_sb, ino));
 } 
 
 /*
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index de13e919cd8..880b54400ac 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1057,8 +1057,6 @@ static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str
 struct dentry *ext3_get_parent(struct dentry *child)
 {
 	unsigned long ino;
-	struct dentry *parent;
-	struct inode *inode;
 	struct dentry dotdot;
 	struct ext3_dir_entry_2 * de;
 	struct buffer_head *bh;
@@ -1068,7 +1066,6 @@ struct dentry *ext3_get_parent(struct dentry *child)
 	dotdot.d_parent = child; /* confusing, isn't it! */
 
 	bh = ext3_find_entry(&dotdot, &de);
-	inode = NULL;
 	if (!bh)
 		return ERR_PTR(-ENOENT);
 	ino = le32_to_cpu(de->inode);
@@ -1080,16 +1077,7 @@ struct dentry *ext3_get_parent(struct dentry *child)
 		return ERR_PTR(-EIO);
 	}
 
-	inode = ext3_iget(child->d_inode->i_sb, ino);
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-	return parent;
+	return d_obtain_alias(ext3_iget(child->d_inode->i_sb, ino));
 }
 
 #define S_SHIFT 12
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 92db9e94514..5b93a7d94d4 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1083,16 +1083,7 @@ struct dentry *ext4_get_parent(struct dentry *child)
 		return ERR_PTR(-EIO);
 	}
 
-	inode = ext4_iget(child->d_inode->i_sb, ino);
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-	return parent;
+	return d_obtain_alias(ext4_iget(child->d_inode->i_sb, ino));
 }
 
 #define S_SHIFT 12
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index d12cdf2a040..19eafbe3c37 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -681,33 +681,24 @@ static struct dentry *fat_fh_to_dentry(struct super_block *sb,
 			inode = NULL;
 		}
 	}
-	if (!inode) {
-		/* For now, do nothing
-		 * What we could do is:
-		 * follow the file starting at fh[4], and record
-		 * the ".." entry, and the name of the fh[2] entry.
-		 * The follow the ".." file finding the next step up.
-		 * This way we build a path to the root of
-		 * the tree. If this works, we lookup the path and so
-		 * get this inode into the cache.
-		 * Finally try the fat_iget lookup again
-		 * If that fails, then weare totally out of luck
-		 * But all that is for another day
-		 */
-	}
-	if (!inode)
-		return ERR_PTR(-ESTALE);
-
 
-	/* now to find a dentry.
-	 * If possible, get a well-connected one
+	/*
+	 * For now, do nothing if the inode is not found.
+	 *
+	 * What we could do is:
+	 *
+	 *	- follow the file starting at fh[4], and record the ".." entry,
+	 *	  and the name of the fh[2] entry.
+	 *	- then follow the ".." file finding the next step up.
+	 *
+	 * This way we build a path to the root of the tree. If this works, we
+	 * lookup the path and so get this inode into the cache.  Finally try
+	 * the fat_iget lookup again.  If that fails, then we are totally out
+	 * of luck.  But all that is for another day
 	 */
-	result = d_alloc_anon(inode);
-	if (result == NULL) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-	result->d_op = sb->s_root->d_op;
+	result = d_obtain_alias(inode);
+	if (!IS_ERR(result))
+		result->d_op = sb->s_root->d_op;
 	return result;
 }
 
@@ -754,15 +745,8 @@ static struct dentry *fat_get_parent(struct dentry *child)
 	}
 	inode = fat_build_inode(sb, de, i_pos);
 	brelse(bh);
-	if (IS_ERR(inode)) {
-		parent = ERR_CAST(inode);
-		goto out;
-	}
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
+
+	parent = d_obtain_alias(inode);
 out:
 	unlock_super(sb);
 
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 54b1f0e1ef5..2e99f34b443 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -596,12 +596,8 @@ static struct dentry *fuse_get_dentry(struct super_block *sb,
 	if (inode->i_generation != handle->generation)
 		goto out_iput;
 
-	entry = d_alloc_anon(inode);
-	err = -ENOMEM;
-	if (!entry)
-		goto out_iput;
-
-	if (get_node_id(inode) != FUSE_ROOT_ID) {
+	entry = d_obtain_alias(inode);
+	if (!IS_ERR(entry) && get_node_id(inode) != FUSE_ROOT_ID) {
 		entry->d_op = &fuse_dentry_operations;
 		fuse_invalidate_entry_cache(entry);
 	}
@@ -696,17 +692,14 @@ static struct dentry *fuse_get_parent(struct dentry *child)
 	name.name = "..";
 	err = fuse_lookup_name(child_inode->i_sb, get_node_id(child_inode),
 			       &name, &outarg, &inode);
-	if (err && err != -ENOENT)
+	if (err) {
+		if (err == -ENOENT)
+			return ERR_PTR(-ESTALE);
 		return ERR_PTR(err);
-	if (err || !inode)
-		return ERR_PTR(-ESTALE);
-
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
 	}
-	if (get_node_id(inode) != FUSE_ROOT_ID) {
+
+	parent = d_obtain_alias(inode);
+	if (!IS_ERR(parent) && get_node_id(inode) != FUSE_ROOT_ID) {
 		parent->d_op = &fuse_dentry_operations;
 		fuse_invalidate_entry_cache(parent);
 	}
diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c
index 9cda8536530..bbb8c36403a 100644
--- a/fs/gfs2/ops_export.c
+++ b/fs/gfs2/ops_export.c
@@ -130,28 +130,17 @@ static int gfs2_get_name(struct dentry *parent, char *name,
 static struct dentry *gfs2_get_parent(struct dentry *child)
 {
 	struct qstr dotdot;
-	struct inode *inode;
 	struct dentry *dentry;
 
-	gfs2_str2qstr(&dotdot, "..");
-	inode = gfs2_lookupi(child->d_inode, &dotdot, 1);
-
-	if (!inode)
-		return ERR_PTR(-ENOENT);
 	/*
-	 * In case of an error, @inode carries the error value, and we
-	 * have to return that as a(n invalid) pointer to dentry.
+	 * XXX(hch): it would be a good idea to keep this around as a
+	 *	     static variable.
 	 */
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-
-	dentry = d_alloc_anon(inode);
-	if (!dentry) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
+	gfs2_str2qstr(&dotdot, "..");
 
-	dentry->d_op = &gfs2_dops;
+	dentry = d_obtain_alias(gfs2_lookupi(child->d_inode, &dotdot, 1));
+	if (!IS_ERR(dentry))
+		dentry->d_op = &gfs2_dops;
 	return dentry;
 }
 
@@ -233,13 +222,9 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb,
 	gfs2_glock_dq_uninit(&i_gh);
 
 out_inode:
-	dentry = d_alloc_anon(inode);
-	if (!dentry) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-
-	dentry->d_op = &gfs2_dops;
+	dentry = d_obtain_alias(inode);
+	if (!IS_ERR(dentry))
+		dentry->d_op = &gfs2_dops;
 	return dentry;
 
 fail_rgd:
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index bb219138331..e81a30593ba 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -22,7 +22,7 @@ isofs_export_iget(struct super_block *sb,
 		  __u32 generation)
 {
 	struct inode *inode;
-	struct dentry *result;
+
 	if (block == 0)
 		return ERR_PTR(-ESTALE);
 	inode = isofs_iget(sb, block, offset);
@@ -32,12 +32,7 @@ isofs_export_iget(struct super_block *sb,
 		iput(inode);
 		return ERR_PTR(-ESTALE);
 	}
-	result = d_alloc_anon(inode);
-	if (!result) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-	return result;
+	return d_obtain_alias(inode);
 }
 
 /* This function is surprisingly simple.  The trick is understanding
@@ -51,7 +46,6 @@ static struct dentry *isofs_export_get_parent(struct dentry *child)
 	unsigned long parent_offset = 0;
 	struct inode *child_inode = child->d_inode;
 	struct iso_inode_info *e_child_inode = ISOFS_I(child_inode);
-	struct inode *parent_inode = NULL;
 	struct iso_directory_record *de = NULL;
 	struct buffer_head * bh = NULL;
 	struct dentry *rv = NULL;
@@ -104,28 +98,11 @@ static struct dentry *isofs_export_get_parent(struct dentry *child)
 	/* Normalize */
 	isofs_normalize_block_and_offset(de, &parent_block, &parent_offset);
 
-	/* Get the inode. */
-	parent_inode = isofs_iget(child_inode->i_sb,
-				  parent_block,
-				  parent_offset);
-	if (IS_ERR(parent_inode)) {
-		rv = ERR_CAST(parent_inode);
-		if (rv != ERR_PTR(-ENOMEM))
-			rv = ERR_PTR(-EACCES);
-		goto out;
-	}
-
-	/* Allocate the dentry. */
-	rv = d_alloc_anon(parent_inode);
-	if (rv == NULL) {
-		rv = ERR_PTR(-ENOMEM);
-		goto out;
-	}
-
+	rv = d_obtain_alias(isofs_iget(child_inode->i_sb, parent_block,
+				     parent_offset));
  out:
-	if (bh) {
+	if (bh)
 		brelse(bh);
-	}
 	return rv;
 }
 
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 2aba8238681..e199dde7b83 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1511,25 +1511,12 @@ struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
 
 struct dentry *jfs_get_parent(struct dentry *dentry)
 {
-	struct super_block *sb = dentry->d_inode->i_sb;
-	struct dentry *parent = ERR_PTR(-ENOENT);
-	struct inode *inode;
 	unsigned long parent_ino;
 
 	parent_ino =
 		le32_to_cpu(JFS_IP(dentry->d_inode)->i_dtroot.header.idotdot);
-	inode = jfs_iget(sb, parent_ino);
-	if (IS_ERR(inode)) {
-		parent = ERR_CAST(inode);
-	} else {
-		parent = d_alloc_anon(inode);
-		if (!parent) {
-			parent = ERR_PTR(-ENOMEM);
-			iput(inode);
-		}
-	}
 
-	return parent;
+	return d_obtain_alias(jfs_iget(dentry->d_inode->i_sb, parent_ino));
 }
 
 const struct inode_operations jfs_dir_inode_operations = {
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index fae97196daa..b7c9b2df1f2 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -107,11 +107,10 @@ struct dentry *nfs_get_root(struct super_block *sb, struct nfs_fh *mntfh)
 	 * if the dentry tree reaches them; however if the dentry already
 	 * exists, we'll pick it up at this point and use it as the root
 	 */
-	mntroot = d_alloc_anon(inode);
-	if (!mntroot) {
-		iput(inode);
+	mntroot = d_obtain_alias(inode);
+	if (IS_ERR(mntroot)) {
 		dprintk("nfs_get_root: get root dentry failed\n");
-		return ERR_PTR(-ENOMEM);
+		return mntroot;
 	}
 
 	security_d_instantiate(mntroot, inode);
@@ -277,11 +276,10 @@ struct dentry *nfs4_get_root(struct super_block *sb, struct nfs_fh *mntfh)
 	 * if the dentry tree reaches them; however if the dentry already
 	 * exists, we'll pick it up at this point and use it as the root
 	 */
-	mntroot = d_alloc_anon(inode);
-	if (!mntroot) {
-		iput(inode);
+	mntroot = d_obtain_alias(inode);
+	if (IS_ERR(mntroot)) {
 		dprintk("nfs_get_root: get root dentry failed\n");
-		return ERR_PTR(-ENOMEM);
+		return mntroot;
 	}
 
 	security_d_instantiate(mntroot, inode);
diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c
index 9e8a95be7a1..2ca00153b6e 100644
--- a/fs/ntfs/namei.c
+++ b/fs/ntfs/namei.c
@@ -304,8 +304,6 @@ static struct dentry *ntfs_get_parent(struct dentry *child_dent)
 	ntfs_attr_search_ctx *ctx;
 	ATTR_RECORD *attr;
 	FILE_NAME_ATTR *fn;
-	struct inode *parent_vi;
-	struct dentry *parent_dent;
 	unsigned long parent_ino;
 	int err;
 
@@ -345,24 +343,8 @@ try_next:
 	/* Release the search context and the mft record of the child. */
 	ntfs_attr_put_search_ctx(ctx);
 	unmap_mft_record(ni);
-	/* Get the inode of the parent directory. */
-	parent_vi = ntfs_iget(vi->i_sb, parent_ino);
-	if (IS_ERR(parent_vi) || unlikely(is_bad_inode(parent_vi))) {
-		if (!IS_ERR(parent_vi))
-			iput(parent_vi);
-		ntfs_error(vi->i_sb, "Failed to get parent directory inode "
-				"0x%lx of child inode 0x%lx.", parent_ino,
-				vi->i_ino);
-		return ERR_PTR(-EACCES);
-	}
-	/* Finally get a dentry for the parent directory and return it. */
-	parent_dent = d_alloc_anon(parent_vi);
-	if (unlikely(!parent_dent)) {
-		iput(parent_vi);
-		return ERR_PTR(-ENOMEM);
-	}
-	ntfs_debug("Done for inode 0x%lx.", vi->i_ino);
-	return parent_dent;
+
+	return d_obtain_alias(ntfs_iget(vi->i_sb, parent_ino));
 }
 
 static struct inode *ntfs_nfs_get_inode(struct super_block *sb,
diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index 67527cebf21..2f27b332d8b 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -68,14 +68,9 @@ static struct dentry *ocfs2_get_dentry(struct super_block *sb,
 		return ERR_PTR(-ESTALE);
 	}
 
-	result = d_alloc_anon(inode);
-
-	if (!result) {
-		iput(inode);
-		mlog_errno(-ENOMEM);
-		return ERR_PTR(-ENOMEM);
-	}
-	result->d_op = &ocfs2_dentry_ops;
+	result = d_obtain_alias(inode);
+	if (!IS_ERR(result))
+		result->d_op = &ocfs2_dentry_ops;
 
 	mlog_exit_ptr(result);
 	return result;
@@ -86,7 +81,6 @@ static struct dentry *ocfs2_get_parent(struct dentry *child)
 	int status;
 	u64 blkno;
 	struct dentry *parent;
-	struct inode *inode;
 	struct inode *dir = child->d_inode;
 
 	mlog_entry("(0x%p, '%.*s')\n", child,
@@ -109,21 +103,9 @@ static struct dentry *ocfs2_get_parent(struct dentry *child)
 		goto bail_unlock;
 	}
 
-	inode = ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0);
-	if (IS_ERR(inode)) {
-		mlog(ML_ERROR, "Unable to create inode %llu\n",
-		     (unsigned long long)blkno);
-		parent = ERR_PTR(-EACCES);
-		goto bail_unlock;
-	}
-
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-
-	parent->d_op = &ocfs2_dentry_ops;
+	parent = d_obtain_alias(ocfs2_iget(OCFS2_SB(dir->i_sb), blkno, 0, 0));
+	if (!IS_ERR(parent))
+		parent->d_op = &ocfs2_dentry_ops;
 
 bail_unlock:
 	ocfs2_inode_unlock(dir, 0);
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 5699171212a..6c4c2c69449 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1522,7 +1522,6 @@ static struct dentry *reiserfs_get_dentry(struct super_block *sb,
 
 {
 	struct cpu_key key;
-	struct dentry *result;
 	struct inode *inode;
 
 	key.on_disk_key.k_objectid = objectid;
@@ -1535,16 +1534,8 @@ static struct dentry *reiserfs_get_dentry(struct super_block *sb,
 		inode = NULL;
 	}
 	reiserfs_write_unlock(sb);
-	if (!inode)
-		inode = ERR_PTR(-ESTALE);
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-	result = d_alloc_anon(inode);
-	if (!result) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-	return result;
+
+	return d_obtain_alias(inode);
 }
 
 struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index c1add28dd45..f89ebb943f3 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -383,7 +383,6 @@ struct dentry *reiserfs_get_parent(struct dentry *child)
 	struct inode *inode = NULL;
 	struct reiserfs_dir_entry de;
 	INITIALIZE_PATH(path_to_entry);
-	struct dentry *parent;
 	struct inode *dir = child->d_inode;
 
 	if (dir->i_nlink == 0) {
@@ -401,15 +400,7 @@ struct dentry *reiserfs_get_parent(struct dentry *child)
 	inode = reiserfs_iget(dir->i_sb, (struct cpu_key *)&(de.de_dir_id));
 	reiserfs_write_unlock(dir->i_sb);
 
-	if (!inode || IS_ERR(inode)) {
-		return ERR_PTR(-EACCES);
-	}
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-	return parent;
+	return d_obtain_alias(inode);
 }
 
 /* add entry to the directory (entry can be hidden). 
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index d3231947db1..7578fae12d3 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -1243,7 +1243,6 @@ end_rename:
 
 static struct dentry *udf_get_parent(struct dentry *child)
 {
-	struct dentry *parent;
 	struct inode *inode = NULL;
 	struct dentry dotdot;
 	struct fileIdentDesc cfi;
@@ -1266,13 +1265,7 @@ static struct dentry *udf_get_parent(struct dentry *child)
 		goto out_unlock;
 	unlock_kernel();
 
-	parent = d_alloc_anon(inode);
-	if (!parent) {
-		iput(inode);
-		parent = ERR_PTR(-ENOMEM);
-	}
-
-	return parent;
+	return d_obtain_alias(inode);
 out_unlock:
 	unlock_kernel();
 	return ERR_PTR(-EACCES);
@@ -1283,7 +1276,6 @@ static struct dentry *udf_nfs_get_inode(struct super_block *sb, u32 block,
 					u16 partref, __u32 generation)
 {
 	struct inode *inode;
-	struct dentry *result;
 	kernel_lb_addr loc;
 
 	if (block == 0)
@@ -1300,12 +1292,7 @@ static struct dentry *udf_nfs_get_inode(struct super_block *sb, u32 block,
 		iput(inode);
 		return ERR_PTR(-ESTALE);
 	}
-	result = d_alloc_anon(inode);
-	if (!result) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-	return result;
+	return d_obtain_alias(inode);
 }
 
 static struct dentry *udf_fh_to_dentry(struct super_block *sb,
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index 24fd598af84..7f7abec25e1 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -148,7 +148,6 @@ xfs_fs_fh_to_dentry(struct super_block *sb, struct fid *fid,
 {
 	struct xfs_fid64	*fid64 = (struct xfs_fid64 *)fid;
 	struct inode		*inode = NULL;
-	struct dentry		*result;
 
 	if (fh_len < xfs_fileid_length(fileid_type))
 		return NULL;
@@ -164,16 +163,7 @@ xfs_fs_fh_to_dentry(struct super_block *sb, struct fid *fid,
 		break;
 	}
 
-	if (!inode)
-		return NULL;
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-	result = d_alloc_anon(inode);
-	if (!result) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-	return result;
+	return d_obtain_alias(inode);
 }
 
 STATIC struct dentry *
@@ -182,7 +172,6 @@ xfs_fs_fh_to_parent(struct super_block *sb, struct fid *fid,
 {
 	struct xfs_fid64	*fid64 = (struct xfs_fid64 *)fid;
 	struct inode		*inode = NULL;
-	struct dentry		*result;
 
 	switch (fileid_type) {
 	case FILEID_INO32_GEN_PARENT:
@@ -195,16 +184,7 @@ xfs_fs_fh_to_parent(struct super_block *sb, struct fid *fid,
 		break;
 	}
 
-	if (!inode)
-		return NULL;
-	if (IS_ERR(inode))
-		return ERR_CAST(inode);
-	result = d_alloc_anon(inode);
-	if (!result) {
-		iput(inode);
-		return ERR_PTR(-ENOMEM);
-	}
-	return result;
+	return d_obtain_alias(inode);
 }
 
 STATIC struct dentry *
@@ -213,18 +193,12 @@ xfs_fs_get_parent(
 {
 	int			error;
 	struct xfs_inode	*cip;
-	struct dentry		*parent;
 
 	error = xfs_lookup(XFS_I(child->d_inode), &xfs_name_dotdot, &cip, NULL);
 	if (unlikely(error))
 		return ERR_PTR(-error);
 
-	parent = d_alloc_anon(VFS_I(cip));
-	if (unlikely(!parent)) {
-		iput(VFS_I(cip));
-		return ERR_PTR(-ENOMEM);
-	}
-	return parent;
+	return d_obtain_alias(VFS_I(cip));
 }
 
 const struct export_operations xfs_export_operations = {
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 48799ba7e3e..d3438c72dca 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -311,11 +311,10 @@ xfs_open_by_handle(
 		return new_fd;
 	}
 
-	dentry = d_alloc_anon(inode);
-	if (dentry == NULL) {
-		iput(inode);
+	dentry = d_obtain_alias(inode);
+	if (IS_ERR(dentry)) {
 		put_unused_fd(new_fd);
-		return -XFS_ERROR(ENOMEM);
+		return PTR_ERR(dentry);
 	}
 
 	/* Ensure umount returns EBUSY on umounts while this file is open. */
-- 
GitLab


From 9308a6128d9074e348d9f9b5822546fe12a794a9 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 11 Aug 2008 15:49:12 +0200
Subject: [PATCH 2092/2224] [PATCH] kill d_alloc_anon

Remove d_alloc_anon now that no users are left.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dcache.c            | 108 ++++++++++++++---------------------------
 include/linux/dcache.h |   1 -
 2 files changed, 37 insertions(+), 72 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index d45ff7f5ecc..1710d2484fd 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1110,70 +1110,6 @@ static inline struct hlist_head *d_hash(struct dentry *parent,
 	return dentry_hashtable + (hash & D_HASHMASK);
 }
 
-/**
- * d_alloc_anon - allocate an anonymous dentry
- * @inode: inode to allocate the dentry for
- *
- * This is similar to d_alloc_root.  It is used by filesystems when
- * creating a dentry for a given inode, often in the process of 
- * mapping a filehandle to a dentry.  The returned dentry may be
- * anonymous, or may have a full name (if the inode was already
- * in the cache).  The file system may need to make further
- * efforts to connect this dentry into the dcache properly.
- *
- * When called on a directory inode, we must ensure that
- * the inode only ever has one dentry.  If a dentry is
- * found, that is returned instead of allocating a new one.
- *
- * On successful return, the reference to the inode has been transferred
- * to the dentry.  If %NULL is returned (indicating kmalloc failure),
- * the reference on the inode has not been released.
- */
-
-struct dentry * d_alloc_anon(struct inode *inode)
-{
-	static const struct qstr anonstring = { .name = "" };
-	struct dentry *tmp;
-	struct dentry *res;
-
-	if ((res = d_find_alias(inode))) {
-		iput(inode);
-		return res;
-	}
-
-	tmp = d_alloc(NULL, &anonstring);
-	if (!tmp)
-		return NULL;
-
-	tmp->d_parent = tmp; /* make sure dput doesn't croak */
-	
-	spin_lock(&dcache_lock);
-	res = __d_find_alias(inode, 0);
-	if (!res) {
-		/* attach a disconnected dentry */
-		res = tmp;
-		tmp = NULL;
-		spin_lock(&res->d_lock);
-		res->d_sb = inode->i_sb;
-		res->d_parent = res;
-		res->d_inode = inode;
-		res->d_flags |= DCACHE_DISCONNECTED;
-		res->d_flags &= ~DCACHE_UNHASHED;
-		list_add(&res->d_alias, &inode->i_dentry);
-		hlist_add_head(&res->d_hash, &inode->i_sb->s_anon);
-		spin_unlock(&res->d_lock);
-
-		inode = NULL; /* don't drop reference */
-	}
-	spin_unlock(&dcache_lock);
-
-	if (inode)
-		iput(inode);
-	if (tmp)
-		dput(tmp);
-	return res;
-}
-
 /**
  * d_obtain_alias - find or allocate a dentry for a given inode
  * @inode: inode to allocate the dentry for
@@ -1194,19 +1130,50 @@ struct dentry * d_alloc_anon(struct inode *inode)
  */
 struct dentry *d_obtain_alias(struct inode *inode)
 {
-	struct dentry *dentry;
+	static const struct qstr anonstring = { .name = "" };
+	struct dentry *tmp;
+	struct dentry *res;
 
 	if (!inode)
 		return ERR_PTR(-ESTALE);
 	if (IS_ERR(inode))
 		return ERR_CAST(inode);
 
-	dentry = d_alloc_anon(inode);
-	if (!dentry) {
-		iput(inode);
-		dentry = ERR_PTR(-ENOMEM);
+	res = d_find_alias(inode);
+	if (res)
+		goto out_iput;
+
+	tmp = d_alloc(NULL, &anonstring);
+	if (!tmp) {
+		res = ERR_PTR(-ENOMEM);
+		goto out_iput;
 	}
-	return dentry;
+	tmp->d_parent = tmp; /* make sure dput doesn't croak */
+
+	spin_lock(&dcache_lock);
+	res = __d_find_alias(inode, 0);
+	if (res) {
+		spin_unlock(&dcache_lock);
+		dput(tmp);
+		goto out_iput;
+	}
+
+	/* attach a disconnected dentry */
+	spin_lock(&tmp->d_lock);
+	tmp->d_sb = inode->i_sb;
+	tmp->d_inode = inode;
+	tmp->d_flags |= DCACHE_DISCONNECTED;
+	tmp->d_flags &= ~DCACHE_UNHASHED;
+	list_add(&tmp->d_alias, &inode->i_dentry);
+	hlist_add_head(&tmp->d_hash, &inode->i_sb->s_anon);
+	spin_unlock(&tmp->d_lock);
+
+	spin_unlock(&dcache_lock);
+	return tmp;
+
+ out_iput:
+	iput(inode);
+	return res;
 }
 EXPORT_SYMBOL_GPL(d_obtain_alias);
 
@@ -2379,7 +2346,6 @@ void __init vfs_caches_init(unsigned long mempages)
 }
 
 EXPORT_SYMBOL(d_alloc);
-EXPORT_SYMBOL(d_alloc_anon);
 EXPORT_SYMBOL(d_alloc_root);
 EXPORT_SYMBOL(d_delete);
 EXPORT_SYMBOL(d_find_alias);
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 2404257d6c6..74c64ae30cf 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -228,7 +228,6 @@ extern void d_delete(struct dentry *);
 
 /* allocate/de-allocate */
 extern struct dentry * d_alloc(struct dentry *, const struct qstr *);
-extern struct dentry * d_alloc_anon(struct inode *);
 extern struct dentry * d_splice_alias(struct inode *, struct dentry *);
 extern struct dentry * d_add_ci(struct dentry *, struct inode *, struct qstr *);
 extern struct dentry * d_obtain_alias(struct inode *);
-- 
GitLab


From f3f8e17571934ea253339e15c4ec9b34ea623c6b Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 11 Aug 2008 12:39:47 -0400
Subject: [PATCH 2093/2224] [PATCH] reduce the stack footprint of
 exportfs_decode_fh()

no need to have _two_ 256-byte arrays on stack...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/exportfs/expfs.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 7b0f75dcf80..51bdc5cab06 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -94,9 +94,8 @@ find_disconnected_root(struct dentry *dentry)
  * It may already be, as the flag isn't always updated when connection happens.
  */
 static int
-reconnect_path(struct vfsmount *mnt, struct dentry *target_dir)
+reconnect_path(struct vfsmount *mnt, struct dentry *target_dir, char *nbuf)
 {
-	char nbuf[NAME_MAX+1];
 	int noprogress = 0;
 	int err = -ESTALE;
 
@@ -360,6 +359,7 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
 {
 	const struct export_operations *nop = mnt->mnt_sb->s_export_op;
 	struct dentry *result, *alias;
+	char nbuf[NAME_MAX+1];
 	int err;
 
 	/*
@@ -379,7 +379,7 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
 		 * filesystem root.
 		 */
 		if (result->d_flags & DCACHE_DISCONNECTED) {
-			err = reconnect_path(mnt, result);
+			err = reconnect_path(mnt, result, nbuf);
 			if (err)
 				goto err_result;
 		}
@@ -395,7 +395,6 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
 		 * It's not a directory.  Life is a little more complicated.
 		 */
 		struct dentry *target_dir, *nresult;
-		char nbuf[NAME_MAX+1];
 
 		/*
 		 * See if either the dentry we just got from the filesystem
@@ -429,7 +428,7 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
 		 * connected to the filesystem root.  The VFS really doesn't
 		 * like disconnected directories..
 		 */
-		err = reconnect_path(mnt, target_dir);
+		err = reconnect_path(mnt, target_dir, nbuf);
 		if (err) {
 			dput(target_dir);
 			goto err_result;
-- 
GitLab


From 2628b766363aa3791e816a7e5807373ef551c776 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 31 Jul 2008 17:16:51 +0100
Subject: [PATCH 2094/2224] [PATCH] Factor out nfsd_do_readdir() into its own
 function

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfsd/vfs.c | 40 ++++++++++++++++++++++++----------------
 1 file changed, 24 insertions(+), 16 deletions(-)

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index aa1d0d6489a..14eda20cc29 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1813,6 +1813,29 @@ out:
 	return err;
 }
 
+static int nfsd_do_readdir(struct file *file, filldir_t func,
+			   struct readdir_cd *cdp, loff_t *offsetp)
+{
+	int host_err;
+
+	/*
+	 * Read the directory entries. This silly loop is necessary because
+	 * readdir() is not guaranteed to fill up the entire buffer, but
+	 * may choose to do less.
+	 */
+	do {
+		cdp->err = nfserr_eof; /* will be cleared on successful read */
+		host_err = vfs_readdir(file, func, cdp);
+	} while (host_err >=0 && cdp->err == nfs_ok);
+
+	*offsetp = vfs_llseek(file, 0, 1);
+
+	if (host_err)
+		return nfserrno(host_err);
+	else
+		return cdp->err;
+}
+
 /*
  * Read entries from a directory.
  * The  NFSv3/4 verifier we ignore for now.
@@ -1822,7 +1845,6 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,
 	     struct readdir_cd *cdp, filldir_t func)
 {
 	__be32		err;
-	int 		host_err;
 	struct file	*file;
 	loff_t		offset = *offsetp;
 
@@ -1836,21 +1858,7 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,
 		goto out_close;
 	}
 
-	/*
-	 * Read the directory entries. This silly loop is necessary because
-	 * readdir() is not guaranteed to fill up the entire buffer, but
-	 * may choose to do less.
-	 */
-
-	do {
-		cdp->err = nfserr_eof; /* will be cleared on successful read */
-		host_err = vfs_readdir(file, func, cdp);
-	} while (host_err >=0 && cdp->err == nfs_ok);
-	if (host_err)
-		err = nfserrno(host_err);
-	else
-		err = cdp->err;
-	*offsetp = vfs_llseek(file, 0, 1);
+	err = nfsd_do_readdir(file, func, cdp, offsetp);
 
 	if (err == nfserr_eof || err == nfserr_toosmall)
 		err = nfs_ok; /* can still be found in ->err */
-- 
GitLab


From 14f7dd632011bb89c035722edd6ea0d90ca6b078 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 31 Jul 2008 20:29:12 +0100
Subject: [PATCH 2095/2224] [PATCH] Copy XFS readdir hack into nfsd code.

Some file systems with their own internal locking have problems with the
way that nfsd calls the ->lookup() method from within a filldir function
called from their ->readdir() method. The recursion back into the file
system code can cause deadlock.

XFS has a fairly hackish solution to this which involves doing the
readdir() into a locally-allocated buffer, then going back through it
calling the filldir function afterwards. It's not ideal, but it works.

It's particularly suboptimal because XFS does this for local file
systems too, where it's completely unnecessary.

Copy this hack into the NFS code where it can be used only for NFS
export. In response to feedback, use it unconditionally rather than only
for the affected file systems.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfsd/vfs.c | 108 +++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 93 insertions(+), 15 deletions(-)

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 14eda20cc29..93b22f661d9 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1813,27 +1813,105 @@ out:
 	return err;
 }
 
-static int nfsd_do_readdir(struct file *file, filldir_t func,
-			   struct readdir_cd *cdp, loff_t *offsetp)
+/*
+ * We do this buffering because we must not call back into the file
+ * system's ->lookup() method from the filldir callback. That may well
+ * deadlock a number of file systems.
+ *
+ * This is based heavily on the implementation of same in XFS.
+ */
+struct buffered_dirent {
+	u64		ino;
+	loff_t		offset;
+	int		namlen;
+	unsigned int	d_type;
+	char		name[];
+};
+
+struct readdir_data {
+	char		*dirent;
+	size_t		used;
+};
+
+static int nfsd_buffered_filldir(void *__buf, const char *name, int namlen,
+				 loff_t offset, u64 ino, unsigned int d_type)
+{
+	struct readdir_data *buf = __buf;
+	struct buffered_dirent *de = (void *)(buf->dirent + buf->used);
+	unsigned int reclen;
+
+	reclen = ALIGN(sizeof(struct buffered_dirent) + namlen, sizeof(u64));
+	if (buf->used + reclen > PAGE_SIZE)
+		return -EINVAL;
+
+	de->namlen = namlen;
+	de->offset = offset;
+	de->ino = ino;
+	de->d_type = d_type;
+	memcpy(de->name, name, namlen);
+	buf->used += reclen;
+
+	return 0;
+}
+
+static int nfsd_buffered_readdir(struct file *file, filldir_t func,
+				 struct readdir_cd *cdp, loff_t *offsetp)
 {
+	struct readdir_data buf;
+	struct buffered_dirent *de;
 	int host_err;
+	int size;
+	loff_t offset;
 
-	/*
-	 * Read the directory entries. This silly loop is necessary because
-	 * readdir() is not guaranteed to fill up the entire buffer, but
-	 * may choose to do less.
-	 */
-	do {
-		cdp->err = nfserr_eof; /* will be cleared on successful read */
-		host_err = vfs_readdir(file, func, cdp);
-	} while (host_err >=0 && cdp->err == nfs_ok);
+	buf.dirent = (void *)__get_free_page(GFP_KERNEL);
+	if (!buf.dirent)
+		return -ENOMEM;
+
+	offset = *offsetp;
+	cdp->err = nfserr_eof; /* will be cleared on successful read */
 
-	*offsetp = vfs_llseek(file, 0, 1);
+	while (1) {
+		unsigned int reclen;
+
+		buf.used = 0;
+
+		host_err = vfs_readdir(file, nfsd_buffered_filldir, &buf);
+		if (host_err)
+			break;
+
+		size = buf.used;
+
+		if (!size)
+			break;
+
+
+		de = (struct buffered_dirent *)buf.dirent;
+		while (size > 0) {
+			offset = de->offset;
+
+			if (func(cdp, de->name, de->namlen, de->offset,
+				 de->ino, de->d_type))
+				goto done;
+
+			if (cdp->err != nfs_ok)
+				goto done;
+
+			reclen = ALIGN(sizeof(*de) + de->namlen,
+				       sizeof(u64));
+			size -= reclen;
+			de = (struct buffered_dirent *)((char *)de + reclen);
+		}
+		offset = vfs_llseek(file, 0, 1);
+	}
+
+ done:
+	free_page((unsigned long)(buf.dirent));
 
 	if (host_err)
 		return nfserrno(host_err);
-	else
-		return cdp->err;
+
+	*offsetp = offset;
+	return cdp->err;
 }
 
 /*
@@ -1858,7 +1936,7 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,
 		goto out_close;
 	}
 
-	err = nfsd_do_readdir(file, func, cdp, offsetp);
+	err = nfsd_buffered_readdir(file, func, cdp, offsetp);
 
 	if (err == nfserr_eof || err == nfserr_toosmall)
 		err = nfs_ok; /* can still be found in ->err */
-- 
GitLab


From d88f1833fcbb5663c86253039966f880f8f46b1a Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 31 Jul 2008 20:38:04 +0100
Subject: [PATCH 2096/2224] [PATCH] Remove XFS buffered readdir hack

Now that we've moved the readdir hack to the nfsd code, we can
remove the local version from the XFS code.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/xfs/linux-2.6/xfs_file.c | 128 ------------------------------------
 1 file changed, 128 deletions(-)

diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 5311c1acdd4..3fee790f138 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -204,15 +204,6 @@ xfs_file_fsync(
 	return -xfs_fsync(XFS_I(dentry->d_inode));
 }
 
-/*
- * Unfortunately we can't just use the clean and simple readdir implementation
- * below, because nfs might call back into ->lookup from the filldir callback
- * and that will deadlock the low-level btree code.
- *
- * Hopefully we'll find a better workaround that allows to use the optimal
- * version at least for local readdirs for 2.6.25.
- */
-#if 0
 STATIC int
 xfs_file_readdir(
 	struct file	*filp,
@@ -244,125 +235,6 @@ xfs_file_readdir(
 		return -error;
 	return 0;
 }
-#else
-
-struct hack_dirent {
-	u64		ino;
-	loff_t		offset;
-	int		namlen;
-	unsigned int	d_type;
-	char		name[];
-};
-
-struct hack_callback {
-	char		*dirent;
-	size_t		len;
-	size_t		used;
-};
-
-STATIC int
-xfs_hack_filldir(
-	void		*__buf,
-	const char	*name,
-	int		namlen,
-	loff_t		offset,
-	u64		ino,
-	unsigned int	d_type)
-{
-	struct hack_callback *buf = __buf;
-	struct hack_dirent *de = (struct hack_dirent *)(buf->dirent + buf->used);
-	unsigned int reclen;
-
-	reclen = ALIGN(sizeof(struct hack_dirent) + namlen, sizeof(u64));
-	if (buf->used + reclen > buf->len)
-		return -EINVAL;
-
-	de->namlen = namlen;
-	de->offset = offset;
-	de->ino = ino;
-	de->d_type = d_type;
-	memcpy(de->name, name, namlen);
-	buf->used += reclen;
-	return 0;
-}
-
-STATIC int
-xfs_file_readdir(
-	struct file	*filp,
-	void		*dirent,
-	filldir_t	filldir)
-{
-	struct inode	*inode = filp->f_path.dentry->d_inode;
-	xfs_inode_t	*ip = XFS_I(inode);
-	struct hack_callback buf;
-	struct hack_dirent *de;
-	int		error;
-	loff_t		size;
-	int		eof = 0;
-	xfs_off_t       start_offset, curr_offset, offset;
-
-	/*
-	 * Try fairly hard to get memory
-	 */
-	buf.len = PAGE_CACHE_SIZE;
-	do {
-		buf.dirent = kmalloc(buf.len, GFP_KERNEL);
-		if (buf.dirent)
-			break;
-		buf.len >>= 1;
-	} while (buf.len >= 1024);
-
-	if (!buf.dirent)
-		return -ENOMEM;
-
-	curr_offset = filp->f_pos;
-	if (curr_offset == 0x7fffffff)
-		offset = 0xffffffff;
-	else
-		offset = filp->f_pos;
-
-	while (!eof) {
-		unsigned int reclen;
-
-		start_offset = offset;
-
-		buf.used = 0;
-		error = -xfs_readdir(ip, &buf, buf.len, &offset,
-				     xfs_hack_filldir);
-		if (error || offset == start_offset) {
-			size = 0;
-			break;
-		}
-
-		size = buf.used;
-		de = (struct hack_dirent *)buf.dirent;
-		while (size > 0) {
-			curr_offset = de->offset /* & 0x7fffffff */;
-			if (filldir(dirent, de->name, de->namlen,
-					curr_offset & 0x7fffffff,
-					de->ino, de->d_type)) {
-				goto done;
-			}
-
-			reclen = ALIGN(sizeof(struct hack_dirent) + de->namlen,
-				       sizeof(u64));
-			size -= reclen;
-			de = (struct hack_dirent *)((char *)de + reclen);
-		}
-	}
-
- done:
-	if (!error) {
-		if (size == 0)
-			filp->f_pos = offset & 0x7fffffff;
-		else if (de)
-			filp->f_pos = curr_offset;
-	}
-
-	kfree(buf.dirent);
-	return error;
-}
-#endif
 
 STATIC int
 xfs_file_mmap(
-- 
GitLab


From 5f556aab907a358c7837cc9a83c3aea4e69cff5b Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Thu, 31 Jul 2008 20:39:25 +0100
Subject: [PATCH 2097/2224] [JFFS2] Reinstate NFS exportability

Now that the readdir/lookup deadlock issues have been dealt with, we can
export JFFS2 file systems again.

(For now, you have to specify fsid manually; we should add a method to
the export_ops to handle that too.)

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/jffs2/super.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index efd401257ed..4c4e18c54a5 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -22,6 +22,7 @@
 #include <linux/mtd/super.h>
 #include <linux/ctype.h>
 #include <linux/namei.h>
+#include <linux/exportfs.h>
 #include "compr.h"
 #include "nodelist.h"
 
@@ -62,6 +63,52 @@ static int jffs2_sync_fs(struct super_block *sb, int wait)
 	return 0;
 }
 
+static struct inode *jffs2_nfs_get_inode(struct super_block *sb, uint64_t ino,
+					 uint32_t generation)
+{
+	/* We don't care about i_generation. We'll destroy the flash
+	   before we start re-using inode numbers anyway. And even
+	   if that wasn't true, we'd have other problems...*/
+	return jffs2_iget(sb, ino);
+}
+
+static struct dentry *jffs2_fh_to_dentry(struct super_block *sb, struct fid *fid,
+					 int fh_len, int fh_type)
+{
+        return generic_fh_to_dentry(sb, fid, fh_len, fh_type,
+                                    jffs2_nfs_get_inode);
+}
+
+static struct dentry *jffs2_fh_to_parent(struct super_block *sb, struct fid *fid,
+					 int fh_len, int fh_type)
+{
+        return generic_fh_to_parent(sb, fid, fh_len, fh_type,
+                                    jffs2_nfs_get_inode);
+}
+
+static struct dentry *jffs2_get_parent(struct dentry *child)
+{
+	struct jffs2_inode_info *f;
+	uint32_t pino;
+
+	BUG_ON(!S_ISDIR(child->d_inode->i_mode));
+
+	f = JFFS2_INODE_INFO(child->d_inode);
+
+	pino = f->inocache->pino_nlink;
+
+	JFFS2_DEBUG("Parent of directory ino #%u is #%u\n",
+		    f->inocache->ino, pino);
+
+	return d_obtain_alias(jffs2_iget(child->d_inode->i_sb, pino));
+}
+
+static struct export_operations jffs2_export_ops = {
+	.get_parent = jffs2_get_parent,
+	.fh_to_dentry = jffs2_fh_to_dentry,
+	.fh_to_parent = jffs2_fh_to_parent,
+};
+
 static const struct super_operations jffs2_super_operations =
 {
 	.alloc_inode =	jffs2_alloc_inode,
@@ -104,6 +151,7 @@ static int jffs2_fill_super(struct super_block *sb, void *data, int silent)
 	spin_lock_init(&c->inocache_lock);
 
 	sb->s_op = &jffs2_super_operations;
+	sb->s_export_op = &jffs2_export_ops;
 	sb->s_flags = sb->s_flags | MS_NOATIME;
 	sb->s_xattr = jffs2_xattr_handlers;
 #ifdef CONFIG_JFFS2_FS_POSIX_ACL
-- 
GitLab


From 734711abac46c8fee4d70cc9876ebc6d9edb4971 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 24 Aug 2008 07:26:48 -0400
Subject: [PATCH 2098/2224] [PATCH] get rid of on-stack fake dentry in
 ext3_get_parent()

Better pass parent and qstr to ext3_find_entry() explicitly than
use such kludges, especially since the stack footprint is nasty
enough and we have every chance to be deep in call chain.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext3/namei.c | 70 +++++++++++++++++++++++--------------------------
 1 file changed, 33 insertions(+), 37 deletions(-)

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 880b54400ac..3e5edc92aa0 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -159,7 +159,7 @@ static void dx_set_count (struct dx_entry *entries, unsigned value);
 static void dx_set_limit (struct dx_entry *entries, unsigned value);
 static unsigned dx_root_limit (struct inode *dir, unsigned infosize);
 static unsigned dx_node_limit (struct inode *dir);
-static struct dx_frame *dx_probe(struct dentry *dentry,
+static struct dx_frame *dx_probe(struct qstr *entry,
 				 struct inode *dir,
 				 struct dx_hash_info *hinfo,
 				 struct dx_frame *frame,
@@ -176,8 +176,9 @@ static int ext3_htree_next_block(struct inode *dir, __u32 hash,
 				 struct dx_frame *frame,
 				 struct dx_frame *frames,
 				 __u32 *start_hash);
-static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry,
-		       struct ext3_dir_entry_2 **res_dir, int *err);
+static struct buffer_head * ext3_dx_find_entry(struct inode *dir,
+			struct qstr *entry, struct ext3_dir_entry_2 **res_dir,
+			int *err);
 static int ext3_dx_add_entry(handle_t *handle, struct dentry *dentry,
 			     struct inode *inode);
 
@@ -342,7 +343,7 @@ struct stats dx_show_entries(struct dx_hash_info *hinfo, struct inode *dir,
  * back to userspace.
  */
 static struct dx_frame *
-dx_probe(struct dentry *dentry, struct inode *dir,
+dx_probe(struct qstr *entry, struct inode *dir,
 	 struct dx_hash_info *hinfo, struct dx_frame *frame_in, int *err)
 {
 	unsigned count, indirect;
@@ -353,8 +354,6 @@ dx_probe(struct dentry *dentry, struct inode *dir,
 	u32 hash;
 
 	frame->bh = NULL;
-	if (dentry)
-		dir = dentry->d_parent->d_inode;
 	if (!(bh = ext3_bread (NULL,dir, 0, 0, err)))
 		goto fail;
 	root = (struct dx_root *) bh->b_data;
@@ -370,8 +369,8 @@ dx_probe(struct dentry *dentry, struct inode *dir,
 	}
 	hinfo->hash_version = root->info.hash_version;
 	hinfo->seed = EXT3_SB(dir->i_sb)->s_hash_seed;
-	if (dentry)
-		ext3fs_dirhash(dentry->d_name.name, dentry->d_name.len, hinfo);
+	if (entry)
+		ext3fs_dirhash(entry->name, entry->len, hinfo);
 	hash = hinfo->hash;
 
 	if (root->info.unused_flags & 1) {
@@ -803,15 +802,15 @@ static inline int ext3_match (int len, const char * const name,
  */
 static inline int search_dirblock(struct buffer_head * bh,
 				  struct inode *dir,
-				  struct dentry *dentry,
+				  struct qstr *child,
 				  unsigned long offset,
 				  struct ext3_dir_entry_2 ** res_dir)
 {
 	struct ext3_dir_entry_2 * de;
 	char * dlimit;
 	int de_len;
-	const char *name = dentry->d_name.name;
-	int namelen = dentry->d_name.len;
+	const char *name = child->name;
+	int namelen = child->len;
 
 	de = (struct ext3_dir_entry_2 *) bh->b_data;
 	dlimit = bh->b_data + dir->i_sb->s_blocksize;
@@ -850,8 +849,9 @@ static inline int search_dirblock(struct buffer_head * bh,
  * The returned buffer_head has ->b_count elevated.  The caller is expected
  * to brelse() it when appropriate.
  */
-static struct buffer_head * ext3_find_entry (struct dentry *dentry,
-					struct ext3_dir_entry_2 ** res_dir)
+static struct buffer_head *ext3_find_entry(struct inode *dir,
+					struct qstr *entry,
+					struct ext3_dir_entry_2 **res_dir)
 {
 	struct super_block * sb;
 	struct buffer_head * bh_use[NAMEI_RA_SIZE];
@@ -863,16 +863,15 @@ static struct buffer_head * ext3_find_entry (struct dentry *dentry,
 				   buffer */
 	int num = 0;
 	int nblocks, i, err;
-	struct inode *dir = dentry->d_parent->d_inode;
 	int namelen;
 
 	*res_dir = NULL;
 	sb = dir->i_sb;
-	namelen = dentry->d_name.len;
+	namelen = entry->len;
 	if (namelen > EXT3_NAME_LEN)
 		return NULL;
 	if (is_dx(dir)) {
-		bh = ext3_dx_find_entry(dentry, res_dir, &err);
+		bh = ext3_dx_find_entry(dir, entry, res_dir, &err);
 		/*
 		 * On success, or if the error was file not found,
 		 * return.  Otherwise, fall back to doing a search the
@@ -923,7 +922,7 @@ restart:
 			brelse(bh);
 			goto next;
 		}
-		i = search_dirblock(bh, dir, dentry,
+		i = search_dirblock(bh, dir, entry,
 			    block << EXT3_BLOCK_SIZE_BITS(sb), res_dir);
 		if (i == 1) {
 			EXT3_I(dir)->i_dir_start_lookup = block;
@@ -957,8 +956,9 @@ cleanup_and_exit:
 	return ret;
 }
 
-static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry,
-		       struct ext3_dir_entry_2 **res_dir, int *err)
+static struct buffer_head * ext3_dx_find_entry(struct inode *dir,
+			struct qstr *entry, struct ext3_dir_entry_2 **res_dir,
+			int *err)
 {
 	struct super_block * sb;
 	struct dx_hash_info	hinfo;
@@ -968,14 +968,13 @@ static struct buffer_head * ext3_dx_find_entry(struct dentry *dentry,
 	struct buffer_head *bh;
 	unsigned long block;
 	int retval;
-	int namelen = dentry->d_name.len;
-	const u8 *name = dentry->d_name.name;
-	struct inode *dir = dentry->d_parent->d_inode;
+	int namelen = entry->len;
+	const u8 *name = entry->name;
 
 	sb = dir->i_sb;
 	/* NFS may look up ".." - look at dx_root directory block */
-	if (namelen > 2 || name[0] != '.'||(name[1] != '.' && name[1] != '\0')){
-		if (!(frame = dx_probe(dentry, NULL, &hinfo, frames, err)))
+	if (namelen > 2 || name[0] != '.'|| (namelen == 2 && name[1] != '.')) {
+		if (!(frame = dx_probe(entry, dir, &hinfo, frames, err)))
 			return NULL;
 	} else {
 		frame = frames;
@@ -1036,7 +1035,7 @@ static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str
 	if (dentry->d_name.len > EXT3_NAME_LEN)
 		return ERR_PTR(-ENAMETOOLONG);
 
-	bh = ext3_find_entry(dentry, &de);
+	bh = ext3_find_entry(dir, &dentry->d_name, &de);
 	inode = NULL;
 	if (bh) {
 		unsigned long ino = le32_to_cpu(de->inode);
@@ -1057,15 +1056,11 @@ static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str
 struct dentry *ext3_get_parent(struct dentry *child)
 {
 	unsigned long ino;
-	struct dentry dotdot;
+	struct qstr dotdot = {.name = "..", .len = 2};
 	struct ext3_dir_entry_2 * de;
 	struct buffer_head *bh;
 
-	dotdot.d_name.name = "..";
-	dotdot.d_name.len = 2;
-	dotdot.d_parent = child; /* confusing, isn't it! */
-
-	bh = ext3_find_entry(&dotdot, &de);
+	bh = ext3_find_entry(child->d_inode, &dotdot, &de);
 	if (!bh)
 		return ERR_PTR(-ENOENT);
 	ino = le32_to_cpu(de->inode);
@@ -1491,7 +1486,7 @@ static int ext3_dx_add_entry(handle_t *handle, struct dentry *dentry,
 	struct ext3_dir_entry_2 *de;
 	int err;
 
-	frame = dx_probe(dentry, NULL, &hinfo, frames, &err);
+	frame = dx_probe(&dentry->d_name, dir, &hinfo, frames, &err);
 	if (!frame)
 		return err;
 	entries = frame->entries;
@@ -2044,7 +2039,7 @@ static int ext3_rmdir (struct inode * dir, struct dentry *dentry)
 		return PTR_ERR(handle);
 
 	retval = -ENOENT;
-	bh = ext3_find_entry (dentry, &de);
+	bh = ext3_find_entry(dir, &dentry->d_name, &de);
 	if (!bh)
 		goto end_rmdir;
 
@@ -2106,7 +2101,7 @@ static int ext3_unlink(struct inode * dir, struct dentry *dentry)
 		handle->h_sync = 1;
 
 	retval = -ENOENT;
-	bh = ext3_find_entry (dentry, &de);
+	bh = ext3_find_entry(dir, &dentry->d_name, &de);
 	if (!bh)
 		goto end_unlink;
 
@@ -2264,7 +2259,7 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
 	if (IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir))
 		handle->h_sync = 1;
 
-	old_bh = ext3_find_entry (old_dentry, &old_de);
+	old_bh = ext3_find_entry(old_dir, &old_dentry->d_name, &old_de);
 	/*
 	 *  Check for inode number is _not_ due to possible IO errors.
 	 *  We might rmdir the source, keep it as pwd of some process
@@ -2277,7 +2272,7 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
 		goto end_rename;
 
 	new_inode = new_dentry->d_inode;
-	new_bh = ext3_find_entry (new_dentry, &new_de);
+	new_bh = ext3_find_entry(new_dir, &new_dentry->d_name, &new_de);
 	if (new_bh) {
 		if (!new_inode) {
 			brelse (new_bh);
@@ -2343,7 +2338,8 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
 		struct buffer_head *old_bh2;
 		struct ext3_dir_entry_2 *old_de2;
 
-		old_bh2 = ext3_find_entry(old_dentry, &old_de2);
+		old_bh2 = ext3_find_entry(old_dir, &old_dentry->d_name,
+					  &old_de2);
 		if (old_bh2) {
 			retval = ext3_delete_entry(handle, old_dir,
 						   old_de2, old_bh2);
-- 
GitLab


From a9885444f7ff6e9156adb1adf5558ded9a39ad0a Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 24 Aug 2008 07:28:39 -0400
Subject: [PATCH 2099/2224] [PATCH] get rid of on-stack dentry in
 ext2_get_parent()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext2/dir.c   | 14 +++++++-------
 fs/ext2/ext2.h  |  4 ++--
 fs/ext2/namei.c | 17 ++++++-----------
 3 files changed, 15 insertions(+), 20 deletions(-)

diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 11a49ce8439..9a0fc400f91 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -354,11 +354,11 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir)
  * (as a parameter - res_dir). Page is returned mapped and unlocked.
  * Entry is guaranteed to be valid.
  */
-struct ext2_dir_entry_2 * ext2_find_entry (struct inode * dir,
-			struct dentry *dentry, struct page ** res_page)
+struct ext2_dir_entry_2 *ext2_find_entry (struct inode * dir,
+			struct qstr *child, struct page ** res_page)
 {
-	const char *name = dentry->d_name.name;
-	int namelen = dentry->d_name.len;
+	const char *name = child->name;
+	int namelen = child->len;
 	unsigned reclen = EXT2_DIR_REC_LEN(namelen);
 	unsigned long start, n;
 	unsigned long npages = dir_pages(dir);
@@ -431,13 +431,13 @@ struct ext2_dir_entry_2 * ext2_dotdot (struct inode *dir, struct page **p)
 	return de;
 }
 
-ino_t ext2_inode_by_name(struct inode * dir, struct dentry *dentry)
+ino_t ext2_inode_by_name(struct inode *dir, struct qstr *child)
 {
 	ino_t res = 0;
-	struct ext2_dir_entry_2 * de;
+	struct ext2_dir_entry_2 *de;
 	struct page *page;
 	
-	de = ext2_find_entry (dir, dentry, &page);
+	de = ext2_find_entry (dir, child, &page);
 	if (de) {
 		res = le32_to_cpu(de->inode);
 		ext2_put_page(page);
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index bae998c1e44..3203042b36e 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -105,9 +105,9 @@ extern void ext2_rsv_window_add(struct super_block *sb, struct ext2_reserve_wind
 
 /* dir.c */
 extern int ext2_add_link (struct dentry *, struct inode *);
-extern ino_t ext2_inode_by_name(struct inode *, struct dentry *);
+extern ino_t ext2_inode_by_name(struct inode *, struct qstr *);
 extern int ext2_make_empty(struct inode *, struct inode *);
-extern struct ext2_dir_entry_2 * ext2_find_entry (struct inode *,struct dentry *, struct page **);
+extern struct ext2_dir_entry_2 * ext2_find_entry (struct inode *,struct qstr *, struct page **);
 extern int ext2_delete_entry (struct ext2_dir_entry_2 *, struct page *);
 extern int ext2_empty_dir (struct inode *);
 extern struct ext2_dir_entry_2 * ext2_dotdot (struct inode *, struct page **);
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index a1b328ab1e5..2a747252ec1 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -60,7 +60,7 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
 	if (dentry->d_name.len > EXT2_NAME_LEN)
 		return ERR_PTR(-ENAMETOOLONG);
 
-	ino = ext2_inode_by_name(dir, dentry);
+	ino = ext2_inode_by_name(dir, &dentry->d_name);
 	inode = NULL;
 	if (ino) {
 		inode = ext2_iget(dir->i_sb, ino);
@@ -72,13 +72,8 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
 
 struct dentry *ext2_get_parent(struct dentry *child)
 {
-	unsigned long ino;
-	struct dentry dotdot;
-
-	dotdot.d_name.name = "..";
-	dotdot.d_name.len = 2;
-
-	ino = ext2_inode_by_name(child->d_inode, &dotdot);
+	struct qstr dotdot = {.name = "..", .len = 2};
+	unsigned long ino = ext2_inode_by_name(child->d_inode, &dotdot);
 	if (!ino)
 		return ERR_PTR(-ENOENT);
 	return d_obtain_alias(ext2_iget(child->d_inode->i_sb, ino));
@@ -246,7 +241,7 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
 	struct page * page;
 	int err = -ENOENT;
 
-	de = ext2_find_entry (dir, dentry, &page);
+	de = ext2_find_entry (dir, &dentry->d_name, &page);
 	if (!de)
 		goto out;
 
@@ -288,7 +283,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
 	struct ext2_dir_entry_2 * old_de;
 	int err = -ENOENT;
 
-	old_de = ext2_find_entry (old_dir, old_dentry, &old_page);
+	old_de = ext2_find_entry (old_dir, &old_dentry->d_name, &old_page);
 	if (!old_de)
 		goto out;
 
@@ -308,7 +303,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
 			goto out_dir;
 
 		err = -ENOENT;
-		new_de = ext2_find_entry (new_dir, new_dentry, &new_page);
+		new_de = ext2_find_entry (new_dir, &new_dentry->d_name, &new_page);
 		if (!new_de)
 			goto out_dir;
 		inode_inc_link_count(old_inode);
-- 
GitLab


From 53c9c5c0e32c69f9df1822e47671c13e3402c82f Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 24 Aug 2008 07:29:52 -0400
Subject: [PATCH 2100/2224] [PATCH] prepare vfs_readdir() callers to returning
 filldir result

It's not the final state, but it allows moving ->readdir() instances
to passing filldir return value to caller of vfs_readdir().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 arch/alpha/kernel/osf_sys.c |  7 ++-----
 arch/parisc/hpux/fs.c       |  5 ++---
 fs/compat.c                 | 22 ++++++++--------------
 fs/exportfs/expfs.c         |  7 ++++---
 fs/nfsd/vfs.c               | 11 +++++++++--
 fs/readdir.c                | 22 ++++++++--------------
 6 files changed, 33 insertions(+), 41 deletions(-)

diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 8509dad3120..f25f6c49095 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -165,14 +165,11 @@ osf_getdirentries(unsigned int fd, struct osf_dirent __user *dirent,
 	buf.error = 0;
 
 	error = vfs_readdir(file, osf_filldir, &buf);
-	if (error < 0)
-		goto out_putf;
-
-	error = buf.error;
+	if (error >= 0)
+		error = buf.error;
 	if (count != buf.count)
 		error = count - buf.count;
 
- out_putf:
 	fput(file);
  out:
 	return error;
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c
index 12c04c5e558..bd9a4db3bd4 100644
--- a/arch/parisc/hpux/fs.c
+++ b/arch/parisc/hpux/fs.c
@@ -127,9 +127,8 @@ int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned i
 	buf.error = 0;
 
 	error = vfs_readdir(file, filldir, &buf);
-	if (error < 0)
-		goto out_putf;
-	error = buf.error;
+	if (error >= 0)
+		error = buf.error;
 	lastdirent = buf.previous;
 	if (lastdirent) {
 		if (put_user(file->f_pos, &lastdirent->d_off))
diff --git a/fs/compat.c b/fs/compat.c
index 5f9ec449c79..cb36245f9fe 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -869,7 +869,7 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
 	buf.dirent = dirent;
 
 	error = vfs_readdir(file, compat_fillonedir, &buf);
-	if (error >= 0)
+	if (buf.result)
 		error = buf.result;
 
 	fput(file);
@@ -956,9 +956,8 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
 	buf.error = 0;
 
 	error = vfs_readdir(file, compat_filldir, &buf);
-	if (error < 0)
-		goto out_putf;
-	error = buf.error;
+	if (error >= 0)
+		error = buf.error;
 	lastdirent = buf.previous;
 	if (lastdirent) {
 		if (put_user(file->f_pos, &lastdirent->d_off))
@@ -966,8 +965,6 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
 		else
 			error = count - buf.count;
 	}
-
-out_putf:
 	fput(file);
 out:
 	return error;
@@ -1047,19 +1044,16 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
 	buf.error = 0;
 
 	error = vfs_readdir(file, compat_filldir64, &buf);
-	if (error < 0)
-		goto out_putf;
-	error = buf.error;
+	if (error >= 0)
+		error = buf.error;
 	lastdirent = buf.previous;
 	if (lastdirent) {
 		typeof(lastdirent->d_off) d_off = file->f_pos;
-		error = -EFAULT;
 		if (__put_user_unaligned(d_off, &lastdirent->d_off))
-			goto out_putf;
-		error = count - buf.count;
+			error = -EFAULT;
+		else
+			error = count - buf.count;
 	}
-
-out_putf:
 	fput(file);
 out:
 	return error;
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 51bdc5cab06..80246bad1b7 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -280,13 +280,14 @@ static int get_name(struct vfsmount *mnt, struct dentry *dentry,
 		int old_seq = buffer.sequence;
 
 		error = vfs_readdir(file, filldir_one, &buffer);
+		if (buffer.found) {
+			error = 0;
+			break;
+		}
 
 		if (error < 0)
 			break;
 
-		error = 0;
-		if (buffer.found)
-			break;
 		error = -ENOENT;
 		if (old_seq == buffer.sequence)
 			break;
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 93b22f661d9..e3e37f7c847 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1831,6 +1831,7 @@ struct buffered_dirent {
 struct readdir_data {
 	char		*dirent;
 	size_t		used;
+	int		full;
 };
 
 static int nfsd_buffered_filldir(void *__buf, const char *name, int namlen,
@@ -1841,8 +1842,10 @@ static int nfsd_buffered_filldir(void *__buf, const char *name, int namlen,
 	unsigned int reclen;
 
 	reclen = ALIGN(sizeof(struct buffered_dirent) + namlen, sizeof(u64));
-	if (buf->used + reclen > PAGE_SIZE)
+	if (buf->used + reclen > PAGE_SIZE) {
+		buf->full = 1;
 		return -EINVAL;
+	}
 
 	de->namlen = namlen;
 	de->offset = offset;
@@ -1874,9 +1877,13 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func,
 		unsigned int reclen;
 
 		buf.used = 0;
+		buf.full = 0;
 
 		host_err = vfs_readdir(file, nfsd_buffered_filldir, &buf);
-		if (host_err)
+		if (buf.full)
+			host_err = 0;
+
+		if (host_err < 0)
 			break;
 
 		size = buf.used;
diff --git a/fs/readdir.c b/fs/readdir.c
index 93a7559bbfd..b318d9b5af2 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -117,7 +117,7 @@ asmlinkage long old_readdir(unsigned int fd, struct old_linux_dirent __user * di
 	buf.dirent = dirent;
 
 	error = vfs_readdir(file, fillonedir, &buf);
-	if (error >= 0)
+	if (buf.result)
 		error = buf.result;
 
 	fput(file);
@@ -209,9 +209,8 @@ asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user * diren
 	buf.error = 0;
 
 	error = vfs_readdir(file, filldir, &buf);
-	if (error < 0)
-		goto out_putf;
-	error = buf.error;
+	if (error >= 0)
+		error = buf.error;
 	lastdirent = buf.previous;
 	if (lastdirent) {
 		if (put_user(file->f_pos, &lastdirent->d_off))
@@ -219,8 +218,6 @@ asmlinkage long sys_getdents(unsigned int fd, struct linux_dirent __user * diren
 		else
 			error = count - buf.count;
 	}
-
-out_putf:
 	fput(file);
 out:
 	return error;
@@ -293,19 +290,16 @@ asmlinkage long sys_getdents64(unsigned int fd, struct linux_dirent64 __user * d
 	buf.error = 0;
 
 	error = vfs_readdir(file, filldir64, &buf);
-	if (error < 0)
-		goto out_putf;
-	error = buf.error;
+	if (error >= 0)
+		error = buf.error;
 	lastdirent = buf.previous;
 	if (lastdirent) {
 		typeof(lastdirent->d_off) d_off = file->f_pos;
-		error = -EFAULT;
 		if (__put_user(d_off, &lastdirent->d_off))
-			goto out_putf;
-		error = count - buf.count;
+			error = -EFAULT;
+		else
+			error = count - buf.count;
 	}
-
-out_putf:
 	fput(file);
 out:
 	return error;
-- 
GitLab


From c002a6c7977320f95b5edede5ce4e0eeecf291ff Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Sun, 17 Aug 2008 17:21:18 +0100
Subject: [PATCH 2101/2224] [PATCH] Optimise NFS readdir hack slightly.

Avoid calling the underlying ->readdir() again when we reached the end
already; keep going round the loop only if we stopped due to our own
buffer being full.

[AV: tidy the things up a bit, while we are there]

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfsd/vfs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index e3e37f7c847..49d4b8725ca 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1891,7 +1891,6 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func,
 		if (!size)
 			break;
 
-
 		de = (struct buffered_dirent *)buf.dirent;
 		while (size > 0) {
 			offset = de->offset;
@@ -1908,7 +1907,9 @@ static int nfsd_buffered_readdir(struct file *file, filldir_t func,
 			size -= reclen;
 			de = (struct buffered_dirent *)((char *)de + reclen);
 		}
-		offset = vfs_llseek(file, 0, 1);
+		offset = vfs_llseek(file, 0, SEEK_CUR);
+		if (!buf.full)
+			break;
 	}
 
  done:
-- 
GitLab


From 8966c5e0fc867f5a7da5756b4cd1b8bbbed3d5dd Mon Sep 17 00:00:00 2001
From: David Woodhouse <dwmw2@infradead.org>
Date: Mon, 18 Aug 2008 15:36:47 +0100
Subject: [PATCH 2102/2224] [JFFS2] Use d_splice_alias() not d_add() in
 jffs2_lookup()

Now that JFFS2 can be exported by NFS, we need to get this right.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/jffs2/dir.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index b1aaae823a5..621bdfa994e 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -108,9 +108,7 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
 		}
 	}
 
-	d_add(target, inode);
-
-	return NULL;
+	return d_splice_alias(inode, target);
 }
 
 /***********************************************************************/
-- 
GitLab


From 6de24f0ed08054b2a202902e4d63beff27654db8 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Thu, 28 Aug 2008 06:25:49 +0400
Subject: [PATCH 2103/2224] [PATCH 1/2] anondev: init IDR statically

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/super.c         | 7 +------
 include/linux/fs.h | 1 -
 init/main.c        | 1 -
 3 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index e931ae9511f..dd23bf927fb 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -682,7 +682,7 @@ void emergency_remount(void)
  * filesystems which don't use real block-devices.  -- jrs
  */
 
-static struct idr unnamed_dev_idr;
+static DEFINE_IDR(unnamed_dev_idr);
 static DEFINE_SPINLOCK(unnamed_dev_lock);/* protects the above */
 
 int set_anon_super(struct super_block *s, void *data)
@@ -726,11 +726,6 @@ void kill_anon_super(struct super_block *sb)
 
 EXPORT_SYMBOL(kill_anon_super);
 
-void __init unnamed_dev_init(void)
-{
-	idr_init(&unnamed_dev_idr);
-}
-
 void kill_litter_super(struct super_block *sb)
 {
 	if (sb->s_root)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a6a625be13f..5f70aa62cf0 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1593,7 +1593,6 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
 	struct vfsmount *mnt);
 extern int simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
 int __put_super_and_need_restart(struct super_block *sb);
-void unnamed_dev_init(void);
 
 /* Alas, no aliases. Too much hassle with bringing module.h everywhere */
 #define fops_get(fops) \
diff --git a/init/main.c b/init/main.c
index 3e17a3bafe6..c6a1024a27a 100644
--- a/init/main.c
+++ b/init/main.c
@@ -670,7 +670,6 @@ asmlinkage void __init start_kernel(void)
 	fork_init(num_physpages);
 	proc_caches_init();
 	buffer_init();
-	unnamed_dev_init();
 	key_init();
 	security_init();
 	vfs_caches_init(num_physpages);
-- 
GitLab


From ad76cbc63b9db7c98da49af3182a783ca1c80a5d Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Thu, 28 Aug 2008 06:26:23 +0400
Subject: [PATCH 2104/2224] [PATCH 2/2] anondev: switch to IDA

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/super.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/super.c b/fs/super.c
index dd23bf927fb..f31ef824d06 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -682,7 +682,7 @@ void emergency_remount(void)
  * filesystems which don't use real block-devices.  -- jrs
  */
 
-static DEFINE_IDR(unnamed_dev_idr);
+static DEFINE_IDA(unnamed_dev_ida);
 static DEFINE_SPINLOCK(unnamed_dev_lock);/* protects the above */
 
 int set_anon_super(struct super_block *s, void *data)
@@ -691,10 +691,10 @@ int set_anon_super(struct super_block *s, void *data)
 	int error;
 
  retry:
-	if (idr_pre_get(&unnamed_dev_idr, GFP_ATOMIC) == 0)
+	if (ida_pre_get(&unnamed_dev_ida, GFP_ATOMIC) == 0)
 		return -ENOMEM;
 	spin_lock(&unnamed_dev_lock);
-	error = idr_get_new(&unnamed_dev_idr, NULL, &dev);
+	error = ida_get_new(&unnamed_dev_ida, &dev);
 	spin_unlock(&unnamed_dev_lock);
 	if (error == -EAGAIN)
 		/* We raced and lost with another CPU. */
@@ -704,7 +704,7 @@ int set_anon_super(struct super_block *s, void *data)
 
 	if ((dev & MAX_ID_MASK) == (1 << MINORBITS)) {
 		spin_lock(&unnamed_dev_lock);
-		idr_remove(&unnamed_dev_idr, dev);
+		ida_remove(&unnamed_dev_ida, dev);
 		spin_unlock(&unnamed_dev_lock);
 		return -EMFILE;
 	}
@@ -720,7 +720,7 @@ void kill_anon_super(struct super_block *sb)
 
 	generic_shutdown_super(sb);
 	spin_lock(&unnamed_dev_lock);
-	idr_remove(&unnamed_dev_idr, slot);
+	ida_remove(&unnamed_dev_ida, slot);
 	spin_unlock(&unnamed_dev_lock);
 }
 
-- 
GitLab


From 9fbb76ce0fe96c07c44ba2aec3dc99f4b8d2b9c6 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 12 Oct 2008 00:15:17 -0400
Subject: [PATCH 2105/2224] [PATCH] get rid of on-stack dentry in udf

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/udf/namei.c | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 7578fae12d3..082409cd4b8 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -142,7 +142,7 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
 }
 
 static struct fileIdentDesc *udf_find_entry(struct inode *dir,
-					    struct dentry *dentry,
+					    struct qstr *child,
 					    struct udf_fileident_bh *fibh,
 					    struct fileIdentDesc *cfi)
 {
@@ -159,8 +159,8 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
 	sector_t offset;
 	struct extent_position epos = {};
 	struct udf_inode_info *dinfo = UDF_I(dir);
-	int isdotdot = dentry->d_name.len == 2 &&
-		dentry->d_name.name[0] == '.' && dentry->d_name.name[1] == '.';
+	int isdotdot = child->len == 2 &&
+		child->name[0] == '.' && child->name[1] == '.';
 
 	size = udf_ext0_offset(dir) + dir->i_size;
 	f_pos = udf_ext0_offset(dir);
@@ -238,8 +238,7 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
 			continue;
 
 		flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
-		if (flen && udf_match(flen, fname, dentry->d_name.len,
-				      dentry->d_name.name))
+		if (flen && udf_match(flen, fname, child->len, child->name))
 			goto out_ok;
 	}
 
@@ -283,7 +282,7 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
 	} else
 #endif /* UDF_RECOVERY */
 
-	if (udf_find_entry(dir, dentry, &fibh, &cfi)) {
+	if (udf_find_entry(dir, &dentry->d_name, &fibh, &cfi)) {
 		if (fibh.sbh != fibh.ebh)
 			brelse(fibh.ebh);
 		brelse(fibh.sbh);
@@ -783,7 +782,7 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
 
 	retval = -ENOENT;
 	lock_kernel();
-	fi = udf_find_entry(dir, dentry, &fibh, &cfi);
+	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
 	if (!fi)
 		goto out;
 
@@ -829,7 +828,7 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
 
 	retval = -ENOENT;
 	lock_kernel();
-	fi = udf_find_entry(dir, dentry, &fibh, &cfi);
+	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
 	if (!fi)
 		goto out;
 
@@ -1113,7 +1112,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct udf_inode_info *old_iinfo = UDF_I(old_inode);
 
 	lock_kernel();
-	ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi);
+	ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi);
 	if (ofi) {
 		if (ofibh.sbh != ofibh.ebh)
 			brelse(ofibh.ebh);
@@ -1124,7 +1123,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
 	    != old_inode->i_ino)
 		goto end_rename;
 
-	nfi = udf_find_entry(new_dir, new_dentry, &nfibh, &ncfi);
+	nfi = udf_find_entry(new_dir, &new_dentry->d_name, &nfibh, &ncfi);
 	if (nfi) {
 		if (!new_inode) {
 			if (nfibh.sbh != nfibh.ebh)
@@ -1192,7 +1191,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
 	udf_write_fi(new_dir, &ncfi, nfi, &nfibh, NULL, NULL);
 
 	/* The old fid may have moved - find it again */
-	ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi);
+	ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi);
 	udf_delete_entry(old_dir, ofi, &ofibh, &ocfi);
 
 	if (new_inode) {
@@ -1244,13 +1243,10 @@ end_rename:
 static struct dentry *udf_get_parent(struct dentry *child)
 {
 	struct inode *inode = NULL;
-	struct dentry dotdot;
+	struct qstr dotdot = {.name = "..", .len = 2};
 	struct fileIdentDesc cfi;
 	struct udf_fileident_bh fibh;
 
-	dotdot.d_name.name = "..";
-	dotdot.d_name.len = 2;
-
 	lock_kernel();
 	if (!udf_find_entry(child->d_inode, &dotdot, &fibh, &cfi))
 		goto out_unlock;
-- 
GitLab


From 871c0067d53ba2dc35897c7da1da675bf4c70511 Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 16 Oct 2008 07:50:27 +0900
Subject: [PATCH 2106/2224] [PATCH vfs-2.6 1/6] vfs: replace parent ==
 dentry->d_parent by IS_ROOT()

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/dcache.c | 21 ++++++++++++---------
 fs/namei.c  |  4 ++--
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 1710d2484fd..c6fd1f27da5 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -174,9 +174,12 @@ static struct dentry *d_kill(struct dentry *dentry)
 	dentry_stat.nr_dentry--;	/* For d_free, below */
 	/*drops the locks, at that point nobody can reach this dentry */
 	dentry_iput(dentry);
-	parent = dentry->d_parent;
+	if (IS_ROOT(dentry))
+		parent = NULL;
+	else
+		parent = dentry->d_parent;
 	d_free(dentry);
-	return dentry == parent ? NULL : parent;
+	return parent;
 }
 
 /* 
@@ -666,11 +669,12 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
 				BUG();
 			}
 
-			parent = dentry->d_parent;
-			if (parent == dentry)
+			if (IS_ROOT(dentry))
 				parent = NULL;
-			else
+			else {
+				parent = dentry->d_parent;
 				atomic_dec(&parent->d_count);
+			}
 
 			list_del(&dentry->d_u.d_child);
 			detached++;
@@ -1723,7 +1727,7 @@ static int d_isparent(struct dentry *p1, struct dentry *p2)
 {
 	struct dentry *p;
 
-	for (p = p2; p->d_parent != p; p = p->d_parent) {
+	for (p = p2; !IS_ROOT(p); p = p->d_parent) {
 		if (p->d_parent == p1)
 			return 1;
 	}
@@ -2168,10 +2172,9 @@ int is_subdir(struct dentry * new_dentry, struct dentry * old_dentry)
 		seq = read_seqbegin(&rename_lock);
 		for (;;) {
 			if (new_dentry != old_dentry) {
-				struct dentry * parent = new_dentry->d_parent;
-				if (parent == new_dentry)
+				if (IS_ROOT(new_dentry))
 					break;
-				new_dentry = parent;
+				new_dentry = new_dentry->d_parent;
 				continue;
 			}
 			result = 1;
diff --git a/fs/namei.c b/fs/namei.c
index 2b8f823eda4..068a9e50c8c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1454,7 +1454,7 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2)
 
 	mutex_lock(&p1->d_inode->i_sb->s_vfs_rename_mutex);
 
-	for (p = p1; p->d_parent != p; p = p->d_parent) {
+	for (p = p1; !IS_ROOT(p); p = p->d_parent) {
 		if (p->d_parent == p2) {
 			mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_PARENT);
 			mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_CHILD);
@@ -1462,7 +1462,7 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2)
 		}
 	}
 
-	for (p = p2; p->d_parent != p; p = p->d_parent) {
+	for (p = p2; !IS_ROOT(p); p = p->d_parent) {
 		if (p->d_parent == p1) {
 			mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT);
 			mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_CHILD);
-- 
GitLab


From e2761a1167633ed943fea29002f990194923d060 Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 16 Oct 2008 07:50:28 +0900
Subject: [PATCH 2107/2224] [PATCH vfs-2.6 2/6] vfs: add d_ancestor()

This adds d_ancestor() instead of d_isparent(), then use it.

If new_dentry == old_dentry, is_subdir() returns 1, looks strange.
"new_dentry == old_dentry" is not subdir obviously. But I'm not
checking callers for now, so this keeps current behavior.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/dcache.c            | 45 +++++++++++++++++++++---------------------
 fs/namei.c             | 22 ++++++++++-----------
 include/linux/dcache.h |  1 +
 3 files changed, 34 insertions(+), 34 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index c6fd1f27da5..64024005da4 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1720,18 +1720,23 @@ void d_move(struct dentry * dentry, struct dentry * target)
 	spin_unlock(&dcache_lock);
 }
 
-/*
- * Helper that returns 1 if p1 is a parent of p2, else 0
+/**
+ * d_ancestor - search for an ancestor
+ * @p1: ancestor dentry
+ * @p2: child dentry
+ *
+ * Returns the ancestor dentry of p2 which is a child of p1, if p1 is
+ * an ancestor of p2, else NULL.
  */
-static int d_isparent(struct dentry *p1, struct dentry *p2)
+struct dentry *d_ancestor(struct dentry *p1, struct dentry *p2)
 {
 	struct dentry *p;
 
 	for (p = p2; !IS_ROOT(p); p = p->d_parent) {
 		if (p->d_parent == p1)
-			return 1;
+			return p;
 	}
-	return 0;
+	return NULL;
 }
 
 /*
@@ -1755,7 +1760,7 @@ static struct dentry *__d_unalias(struct dentry *dentry, struct dentry *alias)
 
 	/* Check for loops */
 	ret = ERR_PTR(-ELOOP);
-	if (d_isparent(alias, dentry))
+	if (d_ancestor(alias, dentry))
 		goto out_err;
 
 	/* See lock_rename() */
@@ -2155,31 +2160,27 @@ out:
  * Caller must ensure that "new_dentry" is pinned before calling is_subdir()
  */
   
-int is_subdir(struct dentry * new_dentry, struct dentry * old_dentry)
+int is_subdir(struct dentry *new_dentry, struct dentry *old_dentry)
 {
 	int result;
-	struct dentry * saved = new_dentry;
 	unsigned long seq;
 
-	/* need rcu_readlock to protect against the d_parent trashing due to
-	 * d_move
+	/* FIXME: This is old behavior, needed? Please check callers. */
+	if (new_dentry == old_dentry)
+		return 1;
+
+	/*
+	 * Need rcu_readlock to protect against the d_parent trashing
+	 * due to d_move
 	 */
 	rcu_read_lock();
-        do {
+	do {
 		/* for restarting inner loop in case of seq retry */
-		new_dentry = saved;
-		result = 0;
 		seq = read_seqbegin(&rename_lock);
-		for (;;) {
-			if (new_dentry != old_dentry) {
-				if (IS_ROOT(new_dentry))
-					break;
-				new_dentry = new_dentry->d_parent;
-				continue;
-			}
+		if (d_ancestor(old_dentry, new_dentry))
 			result = 1;
-			break;
-		}
+		else
+			result = 0;
 	} while (read_seqretry(&rename_lock, seq));
 	rcu_read_unlock();
 
diff --git a/fs/namei.c b/fs/namei.c
index 068a9e50c8c..b7cd65224d6 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1454,20 +1454,18 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2)
 
 	mutex_lock(&p1->d_inode->i_sb->s_vfs_rename_mutex);
 
-	for (p = p1; !IS_ROOT(p); p = p->d_parent) {
-		if (p->d_parent == p2) {
-			mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_PARENT);
-			mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_CHILD);
-			return p;
-		}
+	p = d_ancestor(p2, p1);
+	if (p) {
+		mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_PARENT);
+		mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_CHILD);
+		return p;
 	}
 
-	for (p = p2; !IS_ROOT(p); p = p->d_parent) {
-		if (p->d_parent == p1) {
-			mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT);
-			mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_CHILD);
-			return p;
-		}
+	p = d_ancestor(p1, p2);
+	if (p) {
+		mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT);
+		mutex_lock_nested(&p2->d_inode->i_mutex, I_MUTEX_CHILD);
+		return p;
 	}
 
 	mutex_lock_nested(&p1->d_inode->i_mutex, I_MUTEX_PARENT);
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 74c64ae30cf..a37359d0bad 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -287,6 +287,7 @@ static inline struct dentry *d_add_unique(struct dentry *entry, struct inode *in
 
 /* used for rename() and baskets */
 extern void d_move(struct dentry *, struct dentry *);
+extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
 
 /* appendix may either be NULL or be used for transname suffixes */
 extern struct dentry * d_lookup(struct dentry *, struct qstr *);
-- 
GitLab


From 360da90029196c9449bc61e5a07ce8404e4cba57 Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 16 Oct 2008 07:50:28 +0900
Subject: [PATCH 2108/2224] [PATCH vfs-2.6 3/6] vfs: add __d_instantiate()
 helper

This adds __d_instantiate() for users which is already taking
dcache_lock, and replace with it.

The part of d_add_ci() isn't equivalent. But it should be needed
fsnotify_d_instantiate() actually, because the path is to add the
inode to negative dentry.  fsnotify_d_instantiate() should be called
after change from negative to positive.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/dcache.c | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 64024005da4..5a24cee6b76 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -981,6 +981,15 @@ struct dentry *d_alloc_name(struct dentry *parent, const char *name)
 	return d_alloc(parent, &q);
 }
 
+/* the caller must hold dcache_lock */
+static void __d_instantiate(struct dentry *dentry, struct inode *inode)
+{
+	if (inode)
+		list_add(&dentry->d_alias, &inode->i_dentry);
+	dentry->d_inode = inode;
+	fsnotify_d_instantiate(dentry, inode);
+}
+
 /**
  * d_instantiate - fill in inode information for a dentry
  * @entry: dentry to complete
@@ -1000,10 +1009,7 @@ void d_instantiate(struct dentry *entry, struct inode * inode)
 {
 	BUG_ON(!list_empty(&entry->d_alias));
 	spin_lock(&dcache_lock);
-	if (inode)
-		list_add(&entry->d_alias, &inode->i_dentry);
-	entry->d_inode = inode;
-	fsnotify_d_instantiate(entry, inode);
+	__d_instantiate(entry, inode);
 	spin_unlock(&dcache_lock);
 	security_d_instantiate(entry, inode);
 }
@@ -1033,7 +1039,7 @@ static struct dentry *__d_instantiate_unique(struct dentry *entry,
 	unsigned int hash = entry->d_name.hash;
 
 	if (!inode) {
-		entry->d_inode = NULL;
+		__d_instantiate(entry, NULL);
 		return NULL;
 	}
 
@@ -1052,9 +1058,7 @@ static struct dentry *__d_instantiate_unique(struct dentry *entry,
 		return alias;
 	}
 
-	list_add(&entry->d_alias, &inode->i_dentry);
-	entry->d_inode = inode;
-	fsnotify_d_instantiate(entry, inode);
+	__d_instantiate(entry, inode);
 	return NULL;
 }
 
@@ -1213,10 +1217,8 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
 			d_move(new, dentry);
 			iput(inode);
 		} else {
-			/* d_instantiate takes dcache_lock, so we do it by hand */
-			list_add(&dentry->d_alias, &inode->i_dentry);
-			dentry->d_inode = inode;
-			fsnotify_d_instantiate(dentry, inode);
+			/* already taking dcache_lock, so d_add() by hand */
+			__d_instantiate(dentry, inode);
 			spin_unlock(&dcache_lock);
 			security_d_instantiate(dentry, inode);
 			d_rehash(dentry);
@@ -1299,8 +1301,7 @@ struct dentry *d_add_ci(struct dentry *dentry, struct inode *inode,
 		 * d_instantiate() by hand because it takes dcache_lock which
 		 * we already hold.
 		 */
-		list_add(&found->d_alias, &inode->i_dentry);
-		found->d_inode = inode;
+		__d_instantiate(found, inode);
 		spin_unlock(&dcache_lock);
 		security_d_instantiate(found, inode);
 		return found;
@@ -1833,7 +1834,7 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 
 	if (!inode) {
 		actual = dentry;
-		dentry->d_inode = NULL;
+		__d_instantiate(dentry, NULL);
 		goto found_lock;
 	}
 
-- 
GitLab


From 8f3dfaa5bab767a043c5af5b879fb86c03329f8a Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 16 Oct 2008 07:50:29 +0900
Subject: [PATCH 2109/2224] [PATCH vfs-2.6 4/6] vfs: remove unnecessary
 fsnotify_d_instantiate()

This calls d_move(), so fsnotify_d_instantiate() is unnecessary like
rename path.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/dcache.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 5a24cee6b76..900de90d21b 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1210,7 +1210,6 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
 		new = __d_find_alias(inode, 1);
 		if (new) {
 			BUG_ON(!(new->d_flags & DCACHE_DISCONNECTED));
-			fsnotify_d_instantiate(new, inode);
 			spin_unlock(&dcache_lock);
 			security_d_instantiate(new, inode);
 			d_rehash(dentry);
-- 
GitLab


From 0612d9fb270a474fe6a46cc5b8d3f5b71cf5f580 Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 16 Oct 2008 07:50:29 +0900
Subject: [PATCH 2110/2224] [PATCH vfs-2.6 5/6] vfs: remove LOOKUP_PARENT from
 non LOOKUP_PARENT lookup

lookup_hash() with LOOKUP_PARENT is bogus. And this prepares to add
new intent on those path.

The user of LOOKUP_PARENT intent is nfs only, and it checks whether
nd->flags has LOOKUP_CREATE or LOOKUP_OPEN, so the result is same.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/namei.c | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index b7cd65224d6..18894fdf048 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2170,16 +2170,19 @@ static long do_rmdir(int dfd, const char __user *pathname)
 		return error;
 
 	switch(nd.last_type) {
-		case LAST_DOTDOT:
-			error = -ENOTEMPTY;
-			goto exit1;
-		case LAST_DOT:
-			error = -EINVAL;
-			goto exit1;
-		case LAST_ROOT:
-			error = -EBUSY;
-			goto exit1;
+	case LAST_DOTDOT:
+		error = -ENOTEMPTY;
+		goto exit1;
+	case LAST_DOT:
+		error = -EINVAL;
+		goto exit1;
+	case LAST_ROOT:
+		error = -EBUSY;
+		goto exit1;
 	}
+
+	nd.flags &= ~LOOKUP_PARENT;
+
 	mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
 	dentry = lookup_hash(&nd);
 	error = PTR_ERR(dentry);
@@ -2257,6 +2260,9 @@ static long do_unlinkat(int dfd, const char __user *pathname)
 	error = -EISDIR;
 	if (nd.last_type != LAST_NORM)
 		goto exit1;
+
+	nd.flags &= ~LOOKUP_PARENT;
+
 	mutex_lock_nested(&nd.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
 	dentry = lookup_hash(&nd);
 	error = PTR_ERR(dentry);
@@ -2646,6 +2652,9 @@ asmlinkage long sys_renameat(int olddfd, const char __user *oldname,
 	if (newnd.last_type != LAST_NORM)
 		goto exit2;
 
+	oldnd.flags &= ~LOOKUP_PARENT;
+	newnd.flags &= ~LOOKUP_PARENT;
+
 	trap = lock_rename(new_dir, old_dir);
 
 	old_dentry = lookup_hash(&oldnd);
-- 
GitLab


From 4e9ed2f85af7adfa7c3f0efa839a53186254fdcb Mon Sep 17 00:00:00 2001
From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 16 Oct 2008 07:50:29 +0900
Subject: [PATCH 2111/2224] [PATCH vfs-2.6 6/6] vfs: add LOOKUP_RENAME_TARGET
 intent

This adds LOOKUP_RENAME_TARGET intent for lookup of rename destination.

LOOKUP_RENAME_TARGET is going to be used like LOOKUP_CREATE. But since
the destination of rename() can be existing directory entry, so it has a
difference. Although that difference doesn't matter in my usage, this
tells it to user of this intent.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---
 fs/namei.c            | 1 +
 include/linux/namei.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/namei.c b/fs/namei.c
index 18894fdf048..9e2a534383d 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2654,6 +2654,7 @@ asmlinkage long sys_renameat(int olddfd, const char __user *oldname,
 
 	oldnd.flags &= ~LOOKUP_PARENT;
 	newnd.flags &= ~LOOKUP_PARENT;
+	newnd.flags |= LOOKUP_RENAME_TARGET;
 
 	trap = lock_rename(new_dir, old_dir);
 
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 6b5627afd2e..99eb80306dc 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -54,6 +54,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
 #define LOOKUP_OPEN		0x0100
 #define LOOKUP_CREATE		0x0200
 #define LOOKUP_EXCL		0x0400
+#define LOOKUP_RENAME_TARGET	0x0800
 
 extern int user_path_at(int, const char __user *, unsigned, struct path *);
 
-- 
GitLab


From 3222a3e55f4025acb2a5a4379cf2f2b7df1f1243 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 3 Sep 2008 21:53:01 +0200
Subject: [PATCH 2112/2224] [PATCH] fix ->llseek for more directories

With this patch all directory fops instances that have a readdir
that doesn't take the BKL are switched to generic_file_llseek.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/afs/dir.c          | 1 +
 fs/bfs/dir.c          | 1 +
 fs/cifs/cifsfs.c      | 1 +
 fs/fat/dir.c          | 1 +
 fs/jffs2/dir.c        | 3 ++-
 fs/jfs/namei.c        | 1 +
 fs/omfs/dir.c         | 1 +
 fs/openpromfs/inode.c | 1 +
 fs/proc/proc_sysctl.c | 1 +
 fs/sysfs/dir.c        | 1 +
 fs/ufs/dir.c          | 1 +
 11 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index dfda03d4397..99cf390641f 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -45,6 +45,7 @@ const struct file_operations afs_dir_file_operations = {
 	.release	= afs_release,
 	.readdir	= afs_readdir,
 	.lock		= afs_lock,
+	.llseek		= generic_file_llseek,
 };
 
 const struct inode_operations afs_dir_inode_operations = {
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index ed8feb052df..daae463068e 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -80,6 +80,7 @@ const struct file_operations bfs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= bfs_readdir,
 	.fsync		= file_fsync,
+	.llseek		= generic_file_llseek,
 };
 
 extern void dump_imap(const char *, struct super_block *);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 25ecbd5b040..89c64a8dcb9 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -765,6 +765,7 @@ const struct file_operations cifs_dir_ops = {
 	.dir_notify = cifs_dir_notify,
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 	.unlocked_ioctl  = cifs_ioctl,
+	.llseek = generic_file_llseek,
 };
 
 static void
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index cd4a0162e10..bae1c329252 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -839,6 +839,7 @@ const struct file_operations fat_dir_operations = {
 	.compat_ioctl	= fat_compat_dir_ioctl,
 #endif
 	.fsync		= file_fsync,
+	.llseek		= generic_file_llseek,
 };
 
 static int fat_get_short_entry(struct inode *dir, loff_t *pos,
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 621bdfa994e..6f60cc910f4 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -39,7 +39,8 @@ const struct file_operations jffs2_dir_operations =
 	.read =		generic_read_dir,
 	.readdir =	jffs2_readdir,
 	.unlocked_ioctl=jffs2_ioctl,
-	.fsync =	jffs2_fsync
+	.fsync =	jffs2_fsync,
+	.llseek =	generic_file_llseek,
 };
 
 
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index e199dde7b83..cc3cedffbfa 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1547,6 +1547,7 @@ const struct file_operations jfs_dir_operations = {
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= jfs_compat_ioctl,
 #endif
+	.llseek		= generic_file_llseek,
 };
 
 static int jfs_ci_hash(struct dentry *dir, struct qstr *this)
diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c
index c0757e99887..c7275cfbdcf 100644
--- a/fs/omfs/dir.c
+++ b/fs/omfs/dir.c
@@ -501,4 +501,5 @@ struct inode_operations omfs_dir_inops = {
 struct file_operations omfs_dir_operations = {
 	.read = generic_read_dir,
 	.readdir = omfs_readdir,
+	.llseek = generic_file_llseek,
 };
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index 9f5b054f06b..d41bdc784de 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -167,6 +167,7 @@ static int openpromfs_readdir(struct file *, void *, filldir_t);
 static const struct file_operations openprom_operations = {
 	.read		= generic_read_dir,
 	.readdir	= openpromfs_readdir,
+	.llseek		= generic_file_llseek,
 };
 
 static struct dentry *openpromfs_lookup(struct inode *, struct dentry *, struct nameidata *);
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 945a81043ba..5fe210c0917 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -353,6 +353,7 @@ static const struct file_operations proc_sys_file_operations = {
 
 static const struct file_operations proc_sys_dir_file_operations = {
 	.readdir	= proc_sys_readdir,
+	.llseek		= generic_file_llseek,
 };
 
 static const struct inode_operations proc_sys_inode_operations = {
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 3a05a596e3b..82d3b79d0e0 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -983,4 +983,5 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 const struct file_operations sysfs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= sysfs_readdir,
+	.llseek		= generic_file_llseek,
 };
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index df0bef18742..dbbbc466876 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -667,4 +667,5 @@ const struct file_operations ufs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= ufs_readdir,
 	.fsync		= file_fsync,
+	.llseek		= generic_file_llseek,
 };
-- 
GitLab


From 91efc167d02509ea78abeff6d668065964c67c0b Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 8 Sep 2008 19:42:50 +0200
Subject: [PATCH 2113/2224] [PATCH] reiserfs: add missing llseek method

Reiserfs currently doesn't set a llseek method for regular files, which
means it will fall back to default_llseek.  This means no one can seek
beyond 2 Gigabytes on reiserfs, and that there's not protection vs
the i_size updates from writers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/reiserfs/file.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index a804903d31d..33408417038 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -296,6 +296,7 @@ const struct file_operations reiserfs_file_operations = {
 	.aio_write = generic_file_aio_write,
 	.splice_read = generic_file_splice_read,
 	.splice_write = generic_file_splice_write,
+	.llseek = generic_file_llseek,
 };
 
 const struct inode_operations reiserfs_file_inode_operations = {
-- 
GitLab


From 0e55a7cca4b66f625d67b292f80b6a976e77c51b Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Fri, 26 Sep 2008 19:01:20 -0700
Subject: [PATCH 2114/2224] [RFC PATCH] touch_mnt_namespace when the mount
 flags change

Daemons that need to be launched while the rootfs is read-only can now
poll /proc/mounts to be notified when their O_RDWR requests may no
longer end in EROFS.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 fs/namespace.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index f527a0d6c64..cce46702d33 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1550,8 +1550,13 @@ static int do_remount(struct path *path, int flags, int mnt_flags,
 	if (!err)
 		path->mnt->mnt_flags = mnt_flags;
 	up_write(&sb->s_umount);
-	if (!err)
+	if (!err) {
 		security_sb_post_remount(path->mnt, flags, data);
+
+		spin_lock(&vfsmount_lock);
+		touch_mnt_namespace(path->mnt->mnt_ns);
+		spin_unlock(&vfsmount_lock);
+	}
 	return err;
 }
 
-- 
GitLab


From 5cec56deb6d41b5b570306b17cd0b1590ebd0897 Mon Sep 17 00:00:00 2001
From: Qinghuang Feng <qhfeng.kernel@gmail.com>
Date: Mon, 13 Oct 2008 18:32:42 +0800
Subject: [PATCH 2115/2224] [PATCH] fs/dcache.c: update comment of d_validate()

Parameters @hash and @len have been removed since 2.4.3,
now just to delete them.

Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
---
 fs/dcache.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 900de90d21b..12eac838558 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1462,8 +1462,6 @@ out:
  * d_validate - verify dentry provided from insecure source
  * @dentry: The dentry alleged to be valid child of @dparent
  * @dparent: The parent dentry (known to be valid)
- * @hash: Hash of the dentry
- * @len: Length of the name
  *
  * An insecure source has sent us a dentry, here we verify it and dget() it.
  * This is used by ncpfs in its readdir implementation.
-- 
GitLab


From f696a3659fc4b3a3bf4bc83d9dbec5e5a2ffd929 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <miklos@szeredi.hu>
Date: Thu, 31 Jul 2008 13:41:58 +0200
Subject: [PATCH 2116/2224] [PATCH] move executable checking into
 ->permission()

For execute permission on a regular files we need to check if file has
any execute bits at all, regardless of capabilites.

This check is normally performed by generic_permission() but was also
added to the case when the filesystem defines its own ->permission()
method.  In the latter case the filesystem should be responsible for
performing this check.

Move the check from inode_permission() inside filesystems which are
not calling generic_permission().

Create a helper function execute_ok() that returns true if the inode
is a directory or if any execute bits are present in i_mode.

Also fix up the following code:

 - coda control file is never executable
 - sysctl files are never executable
 - hfs_permission seems broken on MAY_EXEC, remove
 - hfsplus_permission is eqivalent to generic_permission(), remove

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/cifs/cifsfs.c      |  9 ++++++---
 fs/coda/dir.c         |  3 +++
 fs/coda/pioctl.c      |  2 +-
 fs/hfs/inode.c        |  8 --------
 fs/hfsplus/inode.c    | 13 -------------
 fs/namei.c            | 21 ++++-----------------
 fs/nfs/dir.c          |  3 +++
 fs/proc/proc_sysctl.c | 10 ++++++++--
 include/linux/fs.h    |  5 +++++
 9 files changed, 30 insertions(+), 44 deletions(-)

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 89c64a8dcb9..84cc011a16e 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -275,9 +275,12 @@ static int cifs_permission(struct inode *inode, int mask)
 
 	cifs_sb = CIFS_SB(inode->i_sb);
 
-	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM)
-		return 0;
-	else /* file mode might have been restricted at mount time
+	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) {
+		if ((mask & MAY_EXEC) && !execute_ok(inode))
+			return -EACCES;
+		else
+			return 0;
+	} else /* file mode might have been restricted at mount time
 		on the client (above and beyond ACL on servers) for
 		servers which do not support setting and viewing mode bits,
 		so allowing client to check permissions is useful */
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index c5916228243..75b1fa90b2c 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -146,6 +146,9 @@ int coda_permission(struct inode *inode, int mask)
 	if (!mask)
 		return 0; 
 
+	if ((mask & MAY_EXEC) && !execute_ok(inode))
+		return -EACCES;
+
 	lock_kernel();
 
 	if (coda_cache_check(inode, mask))
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index c51365422aa..773f2ce9aa0 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -43,7 +43,7 @@ const struct file_operations coda_ioctl_operations = {
 /* the coda pioctl inode ops */
 static int coda_ioctl_permission(struct inode *inode, int mask)
 {
-        return 0;
+	return (mask & MAY_EXEC) ? -EACCES : 0;
 }
 
 static int coda_pioctl(struct inode * inode, struct file * filp, 
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 7e19835efa2..c69b7ac75bf 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -511,13 +511,6 @@ void hfs_clear_inode(struct inode *inode)
 	}
 }
 
-static int hfs_permission(struct inode *inode, int mask)
-{
-	if (S_ISREG(inode->i_mode) && mask & MAY_EXEC)
-		return 0;
-	return generic_permission(inode, mask, NULL);
-}
-
 static int hfs_file_open(struct inode *inode, struct file *file)
 {
 	if (HFS_IS_RSRC(inode))
@@ -616,7 +609,6 @@ static const struct inode_operations hfs_file_inode_operations = {
 	.lookup		= hfs_file_lookup,
 	.truncate	= hfs_file_truncate,
 	.setattr	= hfs_inode_setattr,
-	.permission	= hfs_permission,
 	.setxattr	= hfs_setxattr,
 	.getxattr	= hfs_getxattr,
 	.listxattr	= hfs_listxattr,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 963be644297..b207f0e6fc2 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -238,18 +238,6 @@ static void hfsplus_set_perms(struct inode *inode, struct hfsplus_perm *perms)
 	perms->dev = cpu_to_be32(HFSPLUS_I(inode).dev);
 }
 
-static int hfsplus_permission(struct inode *inode, int mask)
-{
-	/* MAY_EXEC is also used for lookup, if no x bit is set allow lookup,
-	 * open_exec has the same test, so it's still not executable, if a x bit
-	 * is set fall back to standard permission check.
-	 */
-	if (S_ISREG(inode->i_mode) && mask & MAY_EXEC && !(inode->i_mode & 0111))
-		return 0;
-	return generic_permission(inode, mask, NULL);
-}
-
-
 static int hfsplus_file_open(struct inode *inode, struct file *file)
 {
 	if (HFSPLUS_IS_RSRC(inode))
@@ -281,7 +269,6 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
 static const struct inode_operations hfsplus_file_inode_operations = {
 	.lookup		= hfsplus_file_lookup,
 	.truncate	= hfsplus_file_truncate,
-	.permission	= hfsplus_permission,
 	.setxattr	= hfsplus_setxattr,
 	.getxattr	= hfsplus_getxattr,
 	.listxattr	= hfsplus_listxattr,
diff --git a/fs/namei.c b/fs/namei.c
index 9e2a534383d..09ce58e49e7 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -212,8 +212,7 @@ int generic_permission(struct inode *inode, int mask,
 	 * Read/write DACs are always overridable.
 	 * Executable DACs are overridable if at least one exec bit is set.
 	 */
-	if (!(mask & MAY_EXEC) ||
-	    (inode->i_mode & S_IXUGO) || S_ISDIR(inode->i_mode))
+	if (!(mask & MAY_EXEC) || execute_ok(inode))
 		if (capable(CAP_DAC_OVERRIDE))
 			return 0;
 
@@ -249,23 +248,11 @@ int inode_permission(struct inode *inode, int mask)
 	}
 
 	/* Ordinary permission routines do not understand MAY_APPEND. */
-	if (inode->i_op && inode->i_op->permission) {
+	if (inode->i_op && inode->i_op->permission)
 		retval = inode->i_op->permission(inode, mask);
-		if (!retval) {
-			/*
-			 * Exec permission on a regular file is denied if none
-			 * of the execute bits are set.
-			 *
-			 * This check should be done by the ->permission()
-			 * method.
-			 */
-			if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode) &&
-			    !(inode->i_mode & S_IXUGO))
-				return -EACCES;
-		}
-	} else {
+	else
 		retval = generic_permission(inode, mask, NULL);
-	}
+
 	if (retval)
 		return retval;
 
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index c216c8786c5..3e64b98f3a9 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1957,6 +1957,9 @@ force_lookup:
 	} else
 		res = PTR_ERR(cred);
 out:
+	if (!res && (mask & MAY_EXEC) && !execute_ok(inode))
+		res = -EACCES;
+
 	dfprintk(VFS, "NFS: permission(%s/%ld), mask=0x%x, res=%d\n",
 		inode->i_sb->s_id, inode->i_ino, mask, res);
 	return res;
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 5fe210c0917..7b997754a25 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -298,13 +298,19 @@ static int proc_sys_permission(struct inode *inode, int mask)
 	 * sysctl entries that are not writeable,
 	 * are _NOT_ writeable, capabilities or not.
 	 */
-	struct ctl_table_header *head = grab_header(inode);
-	struct ctl_table *table = PROC_I(inode)->sysctl_entry;
+	struct ctl_table_header *head;
+	struct ctl_table *table;
 	int error;
 
+	/* Executable files are not allowed under /proc/sys/ */
+	if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode))
+		return -EACCES;
+
+	head = grab_header(inode);
 	if (IS_ERR(head))
 		return PTR_ERR(head);
 
+	table = PROC_I(inode)->sysctl_entry;
 	if (!table) /* global root - r-xr-xr-x */
 		error = mask & MAY_WRITE ? -EACCES : 0;
 	else /* Use the permissions on the sysctl table entry */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 5f70aa62cf0..025a4a251b6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1851,6 +1851,11 @@ extern int inode_permission(struct inode *, int);
 extern int generic_permission(struct inode *, int,
 		int (*check_acl)(struct inode *, int));
 
+static inline bool execute_ok(struct inode *inode)
+{
+	return (inode->i_mode & S_IXUGO) || S_ISDIR(inode->i_mode);
+}
+
 extern int get_write_access(struct inode *);
 extern int deny_write_access(struct file *);
 static inline void put_write_access(struct inode * inode)
-- 
GitLab


From 2c512397ca060f6dbcb3957174a91e29a3b769be Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@kernel.org>
Date: Wed, 20 Aug 2008 16:56:22 -0700
Subject: [PATCH 2117/2224] [patch 1/3] FS_MBCACHE: don't needlessly make it
 built-in

Assume you have:
- one or more of ext2/3/4 statically built into your kernel
- none of these with extended attributes enabled and
- want to add onother one of ext2/3/4 modular and with
  extended attributes enabled

then you currently have to reboot to use it since this results in
CONFIG_FS_MBCACHE=y.

That's not a common issue, but I just ran into it and since there's no
reason to get a built-in mbcache in this case this patch fixes it.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 fs/Kconfig | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/Kconfig b/fs/Kconfig
index e46297f020c..522469a7eca 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -22,9 +22,10 @@ source "fs/jbd2/Kconfig"
 config FS_MBCACHE
 # Meta block cache for Extended Attributes (ext2/ext3/ext4)
 	tristate
-	depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR
-	default y if EXT2_FS=y || EXT3_FS=y || EXT4_FS=y
-	default m if EXT2_FS=m || EXT3_FS=m || EXT4_FS=m
+	default y if EXT2_FS=y && EXT2_FS_XATTR
+	default y if EXT3_FS=y && EXT3_FS_XATTR
+	default y if EXT4_FS=y && EXT4_FS_XATTR
+	default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR
 
 config REISERFS_FS
 	tristate "Reiserfs support"
-- 
GitLab


From a77b72da24ecfe262760874c55e3f6461f1dec0d Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Wed, 30 Jul 2008 14:06:22 +0200
Subject: [PATCH 2118/2224] [patch] vfs: make security_inode_setattr() calling
 consistent

Call security_inode_setattr() consistetly before inode_change_ok().
It doesn't make sense to try to "optimize" the i_op->setattr == NULL
case, as most filesystem do define their own setattr function.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
 fs/attr.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/attr.c b/fs/attr.c
index 26c71ba1eed..7a83819f6ba 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -159,17 +159,17 @@ int notify_change(struct dentry * dentry, struct iattr * attr)
 	if (!(attr->ia_valid & ~(ATTR_KILL_SUID | ATTR_KILL_SGID)))
 		return 0;
 
+	error = security_inode_setattr(dentry, attr);
+	if (error)
+		return error;
+
 	if (ia_valid & ATTR_SIZE)
 		down_write(&dentry->d_inode->i_alloc_sem);
 
 	if (inode->i_op && inode->i_op->setattr) {
-		error = security_inode_setattr(dentry, attr);
-		if (!error)
-			error = inode->i_op->setattr(dentry, attr);
+		error = inode->i_op->setattr(dentry, attr);
 	} else {
 		error = inode_change_ok(inode, attr);
-		if (!error)
-			error = security_inode_setattr(dentry, attr);
 		if (!error) {
 			if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 			    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid))
-- 
GitLab


From 08b9fe6b12d32324f311c46b88102b6b9067d434 Mon Sep 17 00:00:00 2001
From: Mimi Zohar <zohar@linux.vnet.ibm.com>
Date: Mon, 13 Oct 2008 00:09:50 -0400
Subject: [PATCH 2119/2224] [PATCH] i_version: remount support

Add support for remounting a filesystem with the i_version option.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
---
 include/linux/fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 025a4a251b6..7d719c1a18e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -136,7 +136,7 @@ extern int dir_notify_enable;
 /*
  * Superblock flags that can be altered by MS_REMOUNT
  */
-#define MS_RMT_MASK	(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK)
+#define MS_RMT_MASK	(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION)
 
 /*
  * Old magic mount flag and mask
-- 
GitLab


From fd217f4d70172c526478f2bc76859e909fdfa674 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@infradead.org>
Date: Tue, 21 Oct 2008 06:47:33 -0700
Subject: [PATCH 2120/2224] [PATCH] fs: add a sanity check in d_free

Hi Al,

remember that debug session we did at KS? You suggested this patch back
then....

From 7751eaf30474b8cbfaea64795805a17eab05ac53 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Tue, 16 Sep 2008 16:51:17 -0700
Subject: [PATCH] fs: add a sanity check in d_free

we're seeing some corruption in the dentry->d_alias list that
appears like a free of an entry still on the list; this patch
adds a WARN_ON() to catch this scenario, as suggested by Al Viro

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
 fs/dcache.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/dcache.c b/fs/dcache.c
index 12eac838558..a1d86c7f3e6 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -69,6 +69,7 @@ struct dentry_stat_t dentry_stat = {
 
 static void __d_free(struct dentry *dentry)
 {
+	WARN_ON(!list_empty(&dentry->d_alias));
 	if (dname_external(dentry))
 		kfree(dentry->d_name.name);
 	kmem_cache_free(dentry_cache, dentry); 
-- 
GitLab


From 7c88db0cb589df980acfb2f73c3595a0653004ec Mon Sep 17 00:00:00 2001
From: Joe Korty <joe.korty@ccur.com>
Date: Thu, 16 Oct 2008 15:27:09 +0400
Subject: [PATCH 2121/2224] proc: fix vma display mismatch between
 /proc/pid/{maps,smaps}

Commit 4752c369789250eafcd7813e11c8fb689235b0d2 aka
"maps4: simplify interdependence of maps and smaps" broke /proc/pid/smaps,
causing it to display some vmas twice and other vmas not at all.  For example:

    grep .- /proc/1/smaps >/tmp/smaps; diff /proc/1/maps /tmp/smaps

    1  25d24
    2  < 7fd7e23aa000-7fd7e23ac000 rw-p 7fd7e23aa000 00:00 0
    3  28a28
    4  > ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0  [vsyscall]

The bug has something to do with setting m->version before all the
seq_printf's have been performed.  show_map was doing this correctly,
but show_smap was doing this in the middle of its seq_printf sequence.
This patch arranges things so that the setting of m->version in show_smap
is also done at the end of its seq_printf sequence.

Testing: in addition to the above grep test, for each process I summed
up the 'Rss' fields of /proc/pid/smaps and compared that to the 'VmRSS'
field of /proc/pid/status.  All matched except for Xorg (which has a
/dev/mem mapping which Rss accounts for but VmRSS does not).  This result
gives us some confidence that neither /proc/pid/maps nor /proc/pid/smaps
are any longer skipping or double-counting vmas.

Signed-off-by: Joe Korty <joe.korty@ccur.com>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/task_mmu.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 4806830ea2a..b770c095e45 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -198,11 +198,8 @@ static int do_maps_open(struct inode *inode, struct file *file,
 	return ret;
 }
 
-static int show_map(struct seq_file *m, void *v)
+static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
 {
-	struct proc_maps_private *priv = m->private;
-	struct task_struct *task = priv->task;
-	struct vm_area_struct *vma = v;
 	struct mm_struct *mm = vma->vm_mm;
 	struct file *file = vma->vm_file;
 	int flags = vma->vm_flags;
@@ -254,6 +251,15 @@ static int show_map(struct seq_file *m, void *v)
 		}
 	}
 	seq_putc(m, '\n');
+}
+
+static int show_map(struct seq_file *m, void *v)
+{
+	struct vm_area_struct *vma = v;
+	struct proc_maps_private *priv = m->private;
+	struct task_struct *task = priv->task;
+
+	show_map_vma(m, vma);
 
 	if (m->count < m->size)  /* vma is copied successfully */
 		m->version = (vma != get_gate_vma(task))? vma->vm_start: 0;
@@ -364,9 +370,10 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 
 static int show_smap(struct seq_file *m, void *v)
 {
+	struct proc_maps_private *priv = m->private;
+	struct task_struct *task = priv->task;
 	struct vm_area_struct *vma = v;
 	struct mem_size_stats mss;
-	int ret;
 	struct mm_walk smaps_walk = {
 		.pmd_entry = smaps_pte_range,
 		.mm = vma->vm_mm,
@@ -378,9 +385,7 @@ static int show_smap(struct seq_file *m, void *v)
 	if (vma->vm_mm && !is_vm_hugetlb_page(vma))
 		walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
 
-	ret = show_map(m, v);
-	if (ret)
-		return ret;
+	show_map_vma(m, vma);
 
 	seq_printf(m,
 		   "Size:           %8lu kB\n"
@@ -402,7 +407,9 @@ static int show_smap(struct seq_file *m, void *v)
 		   mss.referenced >> 10,
 		   mss.swap >> 10);
 
-	return ret;
+	if (m->count < m->size)  /* vma is copied successfully */
+		m->version = (vma != get_gate_vma(task)) ? vma->vm_start : 0;
+	return 0;
 }
 
 static const struct seq_operations proc_pid_smaps_op = {
-- 
GitLab


From 5bcd7ff9e1690dbdbccb2a1cb3c2ea8b8381c435 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 17 Oct 2008 03:43:55 +0400
Subject: [PATCH 2122/2224] proc: proc_init_inodecache() can't fail

kmem_cache creation code will panic, don't return anything.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/inode.c    | 3 +--
 fs/proc/internal.h | 2 +-
 fs/proc/root.c     | 6 +++---
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index c6b4fa7e3b4..2543fd00c65 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -106,14 +106,13 @@ static void init_once(void *foo)
 	inode_init_once(&ei->vfs_inode);
 }
 
-int __init proc_init_inodecache(void)
+void __init proc_init_inodecache(void)
 {
 	proc_inode_cachep = kmem_cache_create("proc_inode_cache",
 					     sizeof(struct proc_inode),
 					     0, (SLAB_RECLAIM_ACCOUNT|
 						SLAB_MEM_SPREAD|SLAB_PANIC),
 					     init_once);
-	return 0;
 }
 
 static const struct super_operations proc_sops = {
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 3bfb7b8747b..d5bf4dec6b0 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -66,7 +66,7 @@ extern const struct inode_operations proc_net_inode_operations;
 
 void free_proc_entry(struct proc_dir_entry *de);
 
-int proc_init_inodecache(void);
+void proc_init_inodecache(void);
 
 static inline struct pid *proc_pid(struct inode *inode)
 {
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 95117538a4f..2a3abd25b30 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -104,9 +104,9 @@ static struct file_system_type proc_fs_type = {
 
 void __init proc_root_init(void)
 {
-	int err = proc_init_inodecache();
-	if (err)
-		return;
+	int err;
+
+	proc_init_inodecache();
 	err = register_filesystem(&proc_fs_type);
 	if (err)
 		return;
-- 
GitLab


From 1e0edd3f67d5b5c04ef6c0908aac8bd70dffc6f6 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 17 Oct 2008 05:07:44 +0400
Subject: [PATCH 2123/2224] proc: spread __init

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_devtree.c | 3 ++-
 fs/proc/proc_sysctl.c  | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index eca471bc851..d777789b7a8 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -4,6 +4,7 @@
  * Copyright 1997 Paul Mackerras
  */
 #include <linux/errno.h>
+#include <linux/init.h>
 #include <linux/time.h>
 #include <linux/proc_fs.h>
 #include <linux/stat.h>
@@ -214,7 +215,7 @@ void proc_device_tree_add_node(struct device_node *np,
 /*
  * Called on initialization to set up the /proc/device-tree subtree
  */
-void proc_device_tree_init(void)
+void __init proc_device_tree_init(void)
 {
 	struct device_node *root;
 	if ( !have_of )
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 945a81043ba..41b5063e28d 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1,7 +1,7 @@
 /*
  * /proc/sys support
  */
-
+#include <linux/init.h>
 #include <linux/sysctl.h>
 #include <linux/proc_fs.h>
 #include <linux/security.h>
@@ -395,7 +395,7 @@ static struct dentry_operations proc_sys_dentry_operations = {
 	.d_compare	= proc_sys_compare,
 };
 
-int proc_sys_init(void)
+int __init proc_sys_init(void)
 {
 	struct proc_dir_entry *proc_sys_root;
 
-- 
GitLab


From 6c2f91e077f1b60e7f83b7ee044f965f469cfdb3 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sat, 13 Sep 2008 19:51:30 -0700
Subject: [PATCH 2124/2224] proc: use WARN() rather than printk+backtrace

Use WARN() rather than a printk() + backtrace();
this gives a more standard format message as well as complete
information (including line numbers etc) that will be collected
by kerneloops.org

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/generic.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 7821589a17d..60a359b3558 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -547,9 +547,8 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
 
 	for (tmp = dir->subdir; tmp; tmp = tmp->next)
 		if (strcmp(tmp->name, dp->name) == 0) {
-			printk(KERN_WARNING "proc_dir_entry '%s/%s' already registered\n",
+			WARN(1, KERN_WARNING "proc_dir_entry '%s/%s' already registered\n",
 				dir->name, dp->name);
-			dump_stack();
 			break;
 		}
 
-- 
GitLab


From 5b3acc8de8b2bc459afae6e09ada45c7e5b11bbf Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 3 Oct 2008 02:21:47 +0400
Subject: [PATCH 2125/2224] proc: switch /proc/loadavg to seq_file

and move it to fs/proc/loadavg.c while I'm at it.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |  2 +-
 fs/proc/loadavg.c   | 51 +++++++++++++++++++++++++++++++++++++++++++++
 fs/proc/proc_misc.c | 26 -----------------------
 3 files changed, 52 insertions(+), 27 deletions(-)
 create mode 100644 fs/proc/loadavg.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index ebaba021354..bf2ab4df4a8 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -9,7 +9,7 @@ proc-$(CONFIG_MMU)	:= mmu.o task_mmu.o
 
 proc-y       += inode.o root.o base.o generic.o array.o \
 		proc_tty.o proc_misc.o
-
+proc-y	+= loadavg.o
 proc-$(CONFIG_PROC_SYSCTL)	+= proc_sysctl.o
 proc-$(CONFIG_NET)		+= proc_net.o
 proc-$(CONFIG_PROC_KCORE)	+= kcore.o
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c
new file mode 100644
index 00000000000..9bca39cf99e
--- /dev/null
+++ b/fs/proc/loadavg.c
@@ -0,0 +1,51 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/pid_namespace.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/seqlock.h>
+#include <linux/time.h>
+
+#define LOAD_INT(x) ((x) >> FSHIFT)
+#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
+
+static int loadavg_proc_show(struct seq_file *m, void *v)
+{
+	int a, b, c;
+	unsigned long seq;
+
+	do {
+		seq = read_seqbegin(&xtime_lock);
+		a = avenrun[0] + (FIXED_1/200);
+		b = avenrun[1] + (FIXED_1/200);
+		c = avenrun[2] + (FIXED_1/200);
+	} while (read_seqretry(&xtime_lock, seq));
+
+	seq_printf(m, "%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
+		LOAD_INT(a), LOAD_FRAC(a),
+		LOAD_INT(b), LOAD_FRAC(b),
+		LOAD_INT(c), LOAD_FRAC(c),
+		nr_running(), nr_threads,
+		task_active_pid_ns(current)->last_pid);
+	return 0;
+}
+
+static int loadavg_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, loadavg_proc_show, NULL);
+}
+
+static const struct file_operations loadavg_proc_fops = {
+	.open		= loadavg_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_loadavg_init(void)
+{
+	proc_create("loadavg", 0, NULL, &loadavg_proc_fops);
+	return 0;
+}
+module_init(proc_loadavg_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 7ea52c79b2d..ff42206c8ae 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,8 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-#define LOAD_INT(x) ((x) >> FSHIFT)
-#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
 /*
  * Warning: stuff below (imported functions) assumes that its output will fit
  * into one page. For some of those functions it may be wrong. Moreover, we
@@ -80,29 +78,6 @@ static int proc_calc_metrics(char *page, char **start, off_t off,
 	return len;
 }
 
-static int loadavg_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int a, b, c;
-	int len;
-	unsigned long seq;
-
-	do {
-		seq = read_seqbegin(&xtime_lock);
-		a = avenrun[0] + (FIXED_1/200);
-		b = avenrun[1] + (FIXED_1/200);
-		c = avenrun[2] + (FIXED_1/200);
-	} while (read_seqretry(&xtime_lock, seq));
-
-	len = sprintf(page,"%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
-		LOAD_INT(a), LOAD_FRAC(a),
-		LOAD_INT(b), LOAD_FRAC(b),
-		LOAD_INT(c), LOAD_FRAC(c),
-		nr_running(), nr_threads,
-		task_active_pid_ns(current)->last_pid);
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
 static int uptime_read_proc(char *page, char **start, off_t off,
 				 int count, int *eof, void *data)
 {
@@ -861,7 +836,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-		{"loadavg",     loadavg_read_proc},
 		{"uptime",	uptime_read_proc},
 		{"meminfo",	meminfo_read_proc},
 		{"version",	version_read_proc},
-- 
GitLab


From 9617760287eec9091d26e6967bd3e4194de18f97 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 3 Oct 2008 02:38:18 +0400
Subject: [PATCH 2126/2224] proc: switch /proc/uptime to seq_file

and move it to fs/proc/uptime.c while I'm at it.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |  1 +
 fs/proc/proc_misc.c | 21 ---------------------
 fs/proc/uptime.c    | 43 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+), 21 deletions(-)
 create mode 100644 fs/proc/uptime.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index bf2ab4df4a8..27efa14963b 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -10,6 +10,7 @@ proc-$(CONFIG_MMU)	:= mmu.o task_mmu.o
 proc-y       += inode.o root.o base.o generic.o array.o \
 		proc_tty.o proc_misc.o
 proc-y	+= loadavg.o
+proc-y	+= uptime.o
 proc-$(CONFIG_PROC_SYSCTL)	+= proc_sysctl.o
 proc-$(CONFIG_NET)		+= proc_net.o
 proc-$(CONFIG_PROC_KCORE)	+= kcore.o
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index ff42206c8ae..484b6011bf0 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -78,26 +78,6 @@ static int proc_calc_metrics(char *page, char **start, off_t off,
 	return len;
 }
 
-static int uptime_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	struct timespec uptime;
-	struct timespec idle;
-	int len;
-	cputime_t idletime = cputime_add(init_task.utime, init_task.stime);
-
-	do_posix_clock_monotonic_gettime(&uptime);
-	monotonic_to_bootbased(&uptime);
-	cputime_to_timespec(idletime, &idle);
-	len = sprintf(page,"%lu.%02lu %lu.%02lu\n",
-			(unsigned long) uptime.tv_sec,
-			(uptime.tv_nsec / (NSEC_PER_SEC / 100)),
-			(unsigned long) idle.tv_sec,
-			(idle.tv_nsec / (NSEC_PER_SEC / 100)));
-
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
 int __attribute__((weak)) arch_report_meminfo(char *page)
 {
 	return 0;
@@ -836,7 +816,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-		{"uptime",	uptime_read_proc},
 		{"meminfo",	meminfo_read_proc},
 		{"version",	version_read_proc},
 #ifdef CONFIG_PROC_HARDWARE
diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c
new file mode 100644
index 00000000000..0c10a0b3f14
--- /dev/null
+++ b/fs/proc/uptime.c
@@ -0,0 +1,43 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/time.h>
+#include <asm/cputime.h>
+
+static int uptime_proc_show(struct seq_file *m, void *v)
+{
+	struct timespec uptime;
+	struct timespec idle;
+	cputime_t idletime = cputime_add(init_task.utime, init_task.stime);
+
+	do_posix_clock_monotonic_gettime(&uptime);
+	monotonic_to_bootbased(&uptime);
+	cputime_to_timespec(idletime, &idle);
+	seq_printf(m, "%lu.%02lu %lu.%02lu\n",
+			(unsigned long) uptime.tv_sec,
+			(uptime.tv_nsec / (NSEC_PER_SEC / 100)),
+			(unsigned long) idle.tv_sec,
+			(idle.tv_nsec / (NSEC_PER_SEC / 100)));
+	return 0;
+}
+
+static int uptime_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, uptime_proc_show, NULL);
+}
+
+static const struct file_operations uptime_proc_fops = {
+	.open		= uptime_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_uptime_init(void)
+{
+	proc_create("uptime", 0, NULL, &uptime_proc_fops);
+	return 0;
+}
+module_init(proc_uptime_init);
-- 
GitLab


From e1759c215bee5abbcb6cb066590ab20905154ed5 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Wed, 15 Oct 2008 23:50:22 +0400
Subject: [PATCH 2127/2224] proc: switch /proc/meminfo to seq_file

and move it to fs/proc/meminfo.c while I'm at it.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 arch/x86/mm/pageattr.c    |  11 ++-
 fs/proc/Makefile          |   1 +
 fs/proc/meminfo.c         | 168 ++++++++++++++++++++++++++++++++++++++
 fs/proc/proc_misc.c       | 137 -------------------------------
 include/asm-x86/pgtable.h |   3 +-
 include/linux/hugetlb.h   |   6 +-
 mm/hugetlb.c              |   5 +-
 7 files changed, 183 insertions(+), 148 deletions(-)
 create mode 100644 fs/proc/meminfo.c

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 407d8784f66..f1dc1b75d16 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -65,23 +65,22 @@ static void split_page_count(int level)
 	direct_pages_count[level - 1] += PTRS_PER_PTE;
 }
 
-int arch_report_meminfo(char *page)
+void arch_report_meminfo(struct seq_file *m)
 {
-	int n = sprintf(page, "DirectMap4k:  %8lu kB\n",
+	seq_printf(m, "DirectMap4k:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_4K] << 2);
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
-	n += sprintf(page + n, "DirectMap2M:  %8lu kB\n",
+	seq_printf(m, "DirectMap2M:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_2M] << 11);
 #else
-	n += sprintf(page + n, "DirectMap4M:  %8lu kB\n",
+	seq_printf(m, "DirectMap4M:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_2M] << 12);
 #endif
 #ifdef CONFIG_X86_64
 	if (direct_gbpages)
-		n += sprintf(page + n, "DirectMap1G:  %8lu kB\n",
+		seq_printf(m, "DirectMap1G:  %8lu kB\n",
 			direct_pages_count[PG_LEVEL_1G] << 20);
 #endif
-	return n;
 }
 #else
 static inline void split_page_count(int level) { }
diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 27efa14963b..70607a03839 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -10,6 +10,7 @@ proc-$(CONFIG_MMU)	:= mmu.o task_mmu.o
 proc-y       += inode.o root.o base.o generic.o array.o \
 		proc_tty.o proc_misc.o
 proc-y	+= loadavg.o
+proc-y	+= meminfo.o
 proc-y	+= uptime.o
 proc-$(CONFIG_PROC_SYSCTL)	+= proc_sysctl.o
 proc-$(CONFIG_NET)		+= proc_net.o
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
new file mode 100644
index 00000000000..b1675c4e66d
--- /dev/null
+++ b/fs/proc/meminfo.c
@@ -0,0 +1,168 @@
+#include <linux/fs.h>
+#include <linux/hugetlb.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/mman.h>
+#include <linux/mmzone.h>
+#include <linux/proc_fs.h>
+#include <linux/quicklist.h>
+#include <linux/seq_file.h>
+#include <linux/swap.h>
+#include <linux/vmstat.h>
+#include <asm/atomic.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include "internal.h"
+
+void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
+{
+}
+
+static int meminfo_proc_show(struct seq_file *m, void *v)
+{
+	struct sysinfo i;
+	unsigned long committed;
+	unsigned long allowed;
+	struct vmalloc_info vmi;
+	long cached;
+	unsigned long pages[NR_LRU_LISTS];
+	int lru;
+
+/*
+ * display in kilobytes.
+ */
+#define K(x) ((x) << (PAGE_SHIFT - 10))
+	si_meminfo(&i);
+	si_swapinfo(&i);
+	committed = atomic_long_read(&vm_committed_space);
+	allowed = ((totalram_pages - hugetlb_total_pages())
+		* sysctl_overcommit_ratio / 100) + total_swap_pages;
+
+	cached = global_page_state(NR_FILE_PAGES) -
+			total_swapcache_pages - i.bufferram;
+	if (cached < 0)
+		cached = 0;
+
+	get_vmalloc_info(&vmi);
+
+	for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
+		pages[lru] = global_page_state(NR_LRU_BASE + lru);
+
+	/*
+	 * Tagged format, for easy grepping and expansion.
+	 */
+	seq_printf(m,
+		"MemTotal:       %8lu kB\n"
+		"MemFree:        %8lu kB\n"
+		"Buffers:        %8lu kB\n"
+		"Cached:         %8lu kB\n"
+		"SwapCached:     %8lu kB\n"
+		"Active:         %8lu kB\n"
+		"Inactive:       %8lu kB\n"
+		"Active(anon):   %8lu kB\n"
+		"Inactive(anon): %8lu kB\n"
+		"Active(file):   %8lu kB\n"
+		"Inactive(file): %8lu kB\n"
+#ifdef CONFIG_UNEVICTABLE_LRU
+		"Unevictable:    %8lu kB\n"
+		"Mlocked:        %8lu kB\n"
+#endif
+#ifdef CONFIG_HIGHMEM
+		"HighTotal:      %8lu kB\n"
+		"HighFree:       %8lu kB\n"
+		"LowTotal:       %8lu kB\n"
+		"LowFree:        %8lu kB\n"
+#endif
+		"SwapTotal:      %8lu kB\n"
+		"SwapFree:       %8lu kB\n"
+		"Dirty:          %8lu kB\n"
+		"Writeback:      %8lu kB\n"
+		"AnonPages:      %8lu kB\n"
+		"Mapped:         %8lu kB\n"
+		"Slab:           %8lu kB\n"
+		"SReclaimable:   %8lu kB\n"
+		"SUnreclaim:     %8lu kB\n"
+		"PageTables:     %8lu kB\n"
+#ifdef CONFIG_QUICKLIST
+		"Quicklists:     %8lu kB\n"
+#endif
+		"NFS_Unstable:   %8lu kB\n"
+		"Bounce:         %8lu kB\n"
+		"WritebackTmp:   %8lu kB\n"
+		"CommitLimit:    %8lu kB\n"
+		"Committed_AS:   %8lu kB\n"
+		"VmallocTotal:   %8lu kB\n"
+		"VmallocUsed:    %8lu kB\n"
+		"VmallocChunk:   %8lu kB\n",
+		K(i.totalram),
+		K(i.freeram),
+		K(i.bufferram),
+		K(cached),
+		K(total_swapcache_pages),
+		K(pages[LRU_ACTIVE_ANON]   + pages[LRU_ACTIVE_FILE]),
+		K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
+		K(pages[LRU_ACTIVE_ANON]),
+		K(pages[LRU_INACTIVE_ANON]),
+		K(pages[LRU_ACTIVE_FILE]),
+		K(pages[LRU_INACTIVE_FILE]),
+#ifdef CONFIG_UNEVICTABLE_LRU
+		K(pages[LRU_UNEVICTABLE]),
+		K(global_page_state(NR_MLOCK)),
+#endif
+#ifdef CONFIG_HIGHMEM
+		K(i.totalhigh),
+		K(i.freehigh),
+		K(i.totalram-i.totalhigh),
+		K(i.freeram-i.freehigh),
+#endif
+		K(i.totalswap),
+		K(i.freeswap),
+		K(global_page_state(NR_FILE_DIRTY)),
+		K(global_page_state(NR_WRITEBACK)),
+		K(global_page_state(NR_ANON_PAGES)),
+		K(global_page_state(NR_FILE_MAPPED)),
+		K(global_page_state(NR_SLAB_RECLAIMABLE) +
+				global_page_state(NR_SLAB_UNRECLAIMABLE)),
+		K(global_page_state(NR_SLAB_RECLAIMABLE)),
+		K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
+		K(global_page_state(NR_PAGETABLE)),
+#ifdef CONFIG_QUICKLIST
+		K(quicklist_total_size()),
+#endif
+		K(global_page_state(NR_UNSTABLE_NFS)),
+		K(global_page_state(NR_BOUNCE)),
+		K(global_page_state(NR_WRITEBACK_TEMP)),
+		K(allowed),
+		K(committed),
+		(unsigned long)VMALLOC_TOTAL >> 10,
+		vmi.used >> 10,
+		vmi.largest_chunk >> 10
+		);
+
+	hugetlb_report_meminfo(m);
+
+	arch_report_meminfo(m);
+
+	return 0;
+#undef K
+}
+
+static int meminfo_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, meminfo_proc_show, NULL);
+}
+
+static const struct file_operations meminfo_proc_fops = {
+	.open		= meminfo_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_meminfo_init(void)
+{
+	proc_create("meminfo", 0, NULL, &meminfo_proc_fops);
+	return 0;
+}
+module_init(proc_meminfo_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 484b6011bf0..1aba51b0a0c 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -78,142 +78,6 @@ static int proc_calc_metrics(char *page, char **start, off_t off,
 	return len;
 }
 
-int __attribute__((weak)) arch_report_meminfo(char *page)
-{
-	return 0;
-}
-
-static int meminfo_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	struct sysinfo i;
-	int len;
-	unsigned long committed;
-	unsigned long allowed;
-	struct vmalloc_info vmi;
-	long cached;
-	unsigned long pages[NR_LRU_LISTS];
-	int lru;
-
-/*
- * display in kilobytes.
- */
-#define K(x) ((x) << (PAGE_SHIFT - 10))
-	si_meminfo(&i);
-	si_swapinfo(&i);
-	committed = atomic_long_read(&vm_committed_space);
-	allowed = ((totalram_pages - hugetlb_total_pages())
-		* sysctl_overcommit_ratio / 100) + total_swap_pages;
-
-	cached = global_page_state(NR_FILE_PAGES) -
-			total_swapcache_pages - i.bufferram;
-	if (cached < 0)
-		cached = 0;
-
-	get_vmalloc_info(&vmi);
-
-	for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
-		pages[lru] = global_page_state(NR_LRU_BASE + lru);
-
-	/*
-	 * Tagged format, for easy grepping and expansion.
-	 */
-	len = sprintf(page,
-		"MemTotal:       %8lu kB\n"
-		"MemFree:        %8lu kB\n"
-		"Buffers:        %8lu kB\n"
-		"Cached:         %8lu kB\n"
-		"SwapCached:     %8lu kB\n"
-		"Active:         %8lu kB\n"
-		"Inactive:       %8lu kB\n"
-		"Active(anon):   %8lu kB\n"
-		"Inactive(anon): %8lu kB\n"
-		"Active(file):   %8lu kB\n"
-		"Inactive(file): %8lu kB\n"
-#ifdef CONFIG_UNEVICTABLE_LRU
-		"Unevictable:    %8lu kB\n"
-		"Mlocked:        %8lu kB\n"
-#endif
-#ifdef CONFIG_HIGHMEM
-		"HighTotal:      %8lu kB\n"
-		"HighFree:       %8lu kB\n"
-		"LowTotal:       %8lu kB\n"
-		"LowFree:        %8lu kB\n"
-#endif
-		"SwapTotal:      %8lu kB\n"
-		"SwapFree:       %8lu kB\n"
-		"Dirty:          %8lu kB\n"
-		"Writeback:      %8lu kB\n"
-		"AnonPages:      %8lu kB\n"
-		"Mapped:         %8lu kB\n"
-		"Slab:           %8lu kB\n"
-		"SReclaimable:   %8lu kB\n"
-		"SUnreclaim:     %8lu kB\n"
-		"PageTables:     %8lu kB\n"
-#ifdef CONFIG_QUICKLIST
-		"Quicklists:     %8lu kB\n"
-#endif
-		"NFS_Unstable:   %8lu kB\n"
-		"Bounce:         %8lu kB\n"
-		"WritebackTmp:   %8lu kB\n"
-		"CommitLimit:    %8lu kB\n"
-		"Committed_AS:   %8lu kB\n"
-		"VmallocTotal:   %8lu kB\n"
-		"VmallocUsed:    %8lu kB\n"
-		"VmallocChunk:   %8lu kB\n",
-		K(i.totalram),
-		K(i.freeram),
-		K(i.bufferram),
-		K(cached),
-		K(total_swapcache_pages),
-		K(pages[LRU_ACTIVE_ANON]   + pages[LRU_ACTIVE_FILE]),
-		K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
-		K(pages[LRU_ACTIVE_ANON]),
-		K(pages[LRU_INACTIVE_ANON]),
-		K(pages[LRU_ACTIVE_FILE]),
-		K(pages[LRU_INACTIVE_FILE]),
-#ifdef CONFIG_UNEVICTABLE_LRU
-		K(pages[LRU_UNEVICTABLE]),
-		K(global_page_state(NR_MLOCK)),
-#endif
-#ifdef CONFIG_HIGHMEM
-		K(i.totalhigh),
-		K(i.freehigh),
-		K(i.totalram-i.totalhigh),
-		K(i.freeram-i.freehigh),
-#endif
-		K(i.totalswap),
-		K(i.freeswap),
-		K(global_page_state(NR_FILE_DIRTY)),
-		K(global_page_state(NR_WRITEBACK)),
-		K(global_page_state(NR_ANON_PAGES)),
-		K(global_page_state(NR_FILE_MAPPED)),
-		K(global_page_state(NR_SLAB_RECLAIMABLE) +
-				global_page_state(NR_SLAB_UNRECLAIMABLE)),
-		K(global_page_state(NR_SLAB_RECLAIMABLE)),
-		K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
-		K(global_page_state(NR_PAGETABLE)),
-#ifdef CONFIG_QUICKLIST
-		K(quicklist_total_size()),
-#endif
-		K(global_page_state(NR_UNSTABLE_NFS)),
-		K(global_page_state(NR_BOUNCE)),
-		K(global_page_state(NR_WRITEBACK_TEMP)),
-		K(allowed),
-		K(committed),
-		(unsigned long)VMALLOC_TOTAL >> 10,
-		vmi.used >> 10,
-		vmi.largest_chunk >> 10
-		);
-
-		len += hugetlb_report_meminfo(page + len);
-
-	len += arch_report_meminfo(page + len);
-
-	return proc_calc_metrics(page, start, off, count, eof, len);
-#undef K
-}
-
 static int fragmentation_open(struct inode *inode, struct file *file)
 {
 	(void)inode;
@@ -816,7 +680,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-		{"meminfo",	meminfo_read_proc},
 		{"version",	version_read_proc},
 #ifdef CONFIG_PROC_HARDWARE
 		{"hardware",	hardware_read_proc},
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 88a53b1a17f..a3dda6d615b 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -348,7 +348,8 @@ static inline void native_pagetable_setup_start(pgd_t *base) {}
 static inline void native_pagetable_setup_done(pgd_t *base) {}
 #endif
 
-extern int arch_report_meminfo(char *page);
+struct seq_file;
+extern void arch_report_meminfo(struct seq_file *m);
 
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 32e0ef0f6e1..e1c8afc002c 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -27,7 +27,7 @@ void unmap_hugepage_range(struct vm_area_struct *,
 void __unmap_hugepage_range(struct vm_area_struct *,
 			unsigned long, unsigned long, struct page *);
 int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
-int hugetlb_report_meminfo(char *);
+void hugetlb_report_meminfo(struct seq_file *);
 int hugetlb_report_node_meminfo(int, char *);
 unsigned long hugetlb_total_pages(void);
 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
@@ -79,7 +79,9 @@ static inline unsigned long hugetlb_total_pages(void)
 #define copy_hugetlb_page_range(src, dst, vma)	({ BUG(); 0; })
 #define hugetlb_prefault(mapping, vma)		({ BUG(); 0; })
 #define unmap_hugepage_range(vma, start, end, page)	BUG()
-#define hugetlb_report_meminfo(buf)		0
+static inline void hugetlb_report_meminfo(struct seq_file *m)
+{
+}
 #define hugetlb_report_node_meminfo(n, buf)	0
 #define follow_huge_pmd(mm, addr, pmd, write)	NULL
 #define follow_huge_pud(mm, addr, pud, write)	NULL
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ce8cbb29860..421aee99b84 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -7,6 +7,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/sysctl.h>
 #include <linux/highmem.h>
 #include <linux/mmu_notifier.h>
@@ -1455,10 +1456,10 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write,
 
 #endif /* CONFIG_SYSCTL */
 
-int hugetlb_report_meminfo(char *buf)
+void hugetlb_report_meminfo(struct seq_file *m)
 {
 	struct hstate *h = &default_hstate;
-	return sprintf(buf,
+	seq_printf(m,
 			"HugePages_Total:   %5lu\n"
 			"HugePages_Free:    %5lu\n"
 			"HugePages_Rsvd:    %5lu\n"
-- 
GitLab


From b457d151613873ea035de0c7348abc3d4b6efd34 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 3 Oct 2008 11:53:19 +0400
Subject: [PATCH 2128/2224] proc: switch /proc/version to seq_file

and move it to fs/proc/version.c while I'm at it.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |  1 +
 fs/proc/proc_misc.c | 13 -------------
 fs/proc/version.c   | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+), 13 deletions(-)
 create mode 100644 fs/proc/version.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 70607a03839..97985c848ac 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -12,6 +12,7 @@ proc-y       += inode.o root.o base.o generic.o array.o \
 proc-y	+= loadavg.o
 proc-y	+= meminfo.o
 proc-y	+= uptime.o
+proc-y	+= version.o
 proc-$(CONFIG_PROC_SYSCTL)	+= proc_sysctl.o
 proc-$(CONFIG_NET)		+= proc_net.o
 proc-$(CONFIG_PROC_KCORE)	+= kcore.o
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 1aba51b0a0c..4814b111d83 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -115,18 +115,6 @@ static const struct file_operations proc_zoneinfo_file_operations = {
 	.release	= seq_release,
 };
 
-static int version_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int len;
-
-	len = snprintf(page, PAGE_SIZE, linux_proc_banner,
-		utsname()->sysname,
-		utsname()->release,
-		utsname()->version);
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
 extern const struct seq_operations cpuinfo_op;
 static int cpuinfo_open(struct inode *inode, struct file *file)
 {
@@ -680,7 +668,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-		{"version",	version_read_proc},
 #ifdef CONFIG_PROC_HARDWARE
 		{"hardware",	hardware_read_proc},
 #endif
diff --git a/fs/proc/version.c b/fs/proc/version.c
new file mode 100644
index 00000000000..76817a60678
--- /dev/null
+++ b/fs/proc/version.c
@@ -0,0 +1,34 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/utsname.h>
+
+static int version_proc_show(struct seq_file *m, void *v)
+{
+	seq_printf(m, linux_proc_banner,
+		utsname()->sysname,
+		utsname()->release,
+		utsname()->version);
+	return 0;
+}
+
+static int version_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, version_proc_show, NULL);
+}
+
+static const struct file_operations version_proc_fops = {
+	.open		= version_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_version_init(void)
+{
+	proc_create("version", 0, NULL, &version_proc_fops);
+	return 0;
+}
+module_init(proc_version_init);
-- 
GitLab


From 813dcf7a6e642feb1ea566b96ce2912249d2b57d Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Fri, 3 Oct 2008 22:42:36 +0400
Subject: [PATCH 2129/2224] proc: move /proc/hardware to m68k-specific code

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 arch/m68k/amiga/config.c    | 21 +++++++++------------
 arch/m68k/atari/config.c    | 15 +++++++--------
 arch/m68k/bvme6000/config.c | 11 -----------
 arch/m68k/kernel/setup.c    | 35 ++++++++++++++++++++++++++++-------
 arch/m68k/mvme147/config.c  | 10 ----------
 arch/m68k/mvme16x/config.c  | 15 +++++----------
 arch/m68k/q40/config.c      | 10 ----------
 arch/m68k/sun3/config.c     | 12 +++---------
 arch/m68k/sun3x/config.c    | 12 +++---------
 fs/proc/proc_misc.c         | 13 -------------
 include/asm-m68k/machdep.h  |  2 +-
 11 files changed, 56 insertions(+), 100 deletions(-)

diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 0a3f9e8ebde..ab9862c3a13 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/rtc.h>
@@ -93,7 +94,7 @@ static char amiga_model_name[13] = "Amiga ";
 
 static void amiga_sched_init(irq_handler_t handler);
 static void amiga_get_model(char *model);
-static int amiga_get_hardware_list(char *buffer);
+static void amiga_get_hardware_list(struct seq_file *m);
 /* amiga specific timer functions */
 static unsigned long amiga_gettimeoffset(void);
 static int a3000_hwclk(int, struct rtc_time *);
@@ -911,13 +912,11 @@ static void amiga_get_model(char *model)
 }
 
 
-static int amiga_get_hardware_list(char *buffer)
+static void amiga_get_hardware_list(struct seq_file *m)
 {
-	int len = 0;
-
 	if (AMIGAHW_PRESENT(CHIP_RAM))
-		len += sprintf(buffer+len, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
-	len += sprintf(buffer+len, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
+		seq_printf(m, "Chip RAM:\t%ldK\n", amiga_chip_size>>10);
+	seq_printf(m, "PS Freq:\t%dHz\nEClock Freq:\t%ldHz\n",
 			amiga_psfreq, amiga_eclock);
 	if (AMIGAHW_PRESENT(AMI_VIDEO)) {
 		char *type;
@@ -935,14 +934,14 @@ static int amiga_get_hardware_list(char *buffer)
 			type = "Old or Unknown";
 			break;
 		}
-		len += sprintf(buffer+len, "Graphics:\t%s\n", type);
+		seq_printf(m, "Graphics:\t%s\n", type);
 	}
 
 #define AMIGAHW_ANNOUNCE(name, str)			\
 	if (AMIGAHW_PRESENT(name))			\
-		len += sprintf (buffer+len, "\t%s\n", str)
+		seq_printf (m, "\t%s\n", str)
 
-	len += sprintf (buffer + len, "Detected hardware:\n");
+	seq_printf (m, "Detected hardware:\n");
 
 	AMIGAHW_ANNOUNCE(AMI_VIDEO, "Amiga Video");
 	AMIGAHW_ANNOUNCE(AMI_BLITTER, "Blitter");
@@ -975,15 +974,13 @@ static int amiga_get_hardware_list(char *buffer)
 	AMIGAHW_ANNOUNCE(PCMCIA, "PCMCIA Slot");
 #ifdef CONFIG_ZORRO
 	if (AMIGAHW_PRESENT(ZORRO))
-		len += sprintf(buffer+len, "\tZorro II%s AutoConfig: %d Expansion "
+		seq_printf(m, "\tZorro II%s AutoConfig: %d Expansion "
 				"Device%s\n",
 				AMIGAHW_PRESENT(ZORRO3) ? "I" : "",
 				zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
 #endif /* CONFIG_ZORRO */
 
 #undef AMIGAHW_ANNOUNCE
-
-	return len;
 }
 
 /*
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index af031855f79..49c28cdbea5 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -26,6 +26,7 @@
 
 #include <linux/types.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/console.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -63,7 +64,7 @@ int atari_rtc_year_offset;
 /* local function prototypes */
 static void atari_reset(void);
 static void atari_get_model(char *model);
-static int atari_get_hardware_list(char *buffer);
+static void atari_get_hardware_list(struct seq_file *m);
 
 /* atari specific irq functions */
 extern void atari_init_IRQ (void);
@@ -611,21 +612,21 @@ static void atari_get_model(char *model)
 }
 
 
-static int atari_get_hardware_list(char *buffer)
+static void atari_get_hardware_list(struct seq_file *m)
 {
-	int len = 0, i;
+	int i;
 
 	for (i = 0; i < m68k_num_memory; i++)
-		len += sprintf(buffer+len, "\t%3ld MB at 0x%08lx (%s)\n",
+		seq_printf(m, "\t%3ld MB at 0x%08lx (%s)\n",
 				m68k_memory[i].size >> 20, m68k_memory[i].addr,
 				(m68k_memory[i].addr & 0xff000000 ?
 				 "alternate RAM" : "ST-RAM"));
 
 #define ATARIHW_ANNOUNCE(name, str)			\
 	if (ATARIHW_PRESENT(name))			\
-		len += sprintf(buffer + len, "\t%s\n", str)
+		seq_printf(m, "\t%s\n", str)
 
-	len += sprintf(buffer + len, "Detected hardware:\n");
+	seq_printf(m, "Detected hardware:\n");
 	ATARIHW_ANNOUNCE(STND_SHIFTER, "ST Shifter");
 	ATARIHW_ANNOUNCE(EXTD_SHIFTER, "STe Shifter");
 	ATARIHW_ANNOUNCE(TT_SHIFTER, "TT Shifter");
@@ -654,6 +655,4 @@ static int atari_get_hardware_list(char *buffer)
 	ATARIHW_ANNOUNCE(BLITTER, "Blitter");
 	ATARIHW_ANNOUNCE(VME, "VME Bus");
 	ATARIHW_ANNOUNCE(DSP56K, "DSP56001 processor");
-
-	return len;
 }
diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
index 65c9204ab9a..c072595928c 100644
--- a/arch/m68k/bvme6000/config.c
+++ b/arch/m68k/bvme6000/config.c
@@ -38,7 +38,6 @@
 #include <asm/bvme6000hw.h>
 
 static void bvme6000_get_model(char *model);
-static int  bvme6000_get_hardware_list(char *buffer);
 extern void bvme6000_sched_init(irq_handler_t handler);
 extern unsigned long bvme6000_gettimeoffset (void);
 extern int bvme6000_hwclk (int, struct rtc_time *);
@@ -82,15 +81,6 @@ static void bvme6000_get_model(char *model)
     sprintf(model, "BVME%d000", m68k_cputype == CPU_68060 ? 6 : 4);
 }
 
-
-/* No hardware options on BVME6000? */
-
-static int bvme6000_get_hardware_list(char *buffer)
-{
-    *buffer = '\0';
-    return 0;
-}
-
 /*
  * This function is called during kernel startup to initialize
  * the bvme6000 IRQ handling routines.
@@ -127,7 +117,6 @@ void __init config_bvme6000(void)
     mach_set_clock_mmss	 = bvme6000_set_clock_mmss;
     mach_reset		 = bvme6000_reset;
     mach_get_model       = bvme6000_get_model;
-    mach_get_hardware_list = bvme6000_get_hardware_list;
 
     printk ("Board is %sconfigured as a System Controller\n",
 		*config_reg_ptr & BVME_CONFIG_SW1 ? "" : "not ");
diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c
index ea1e44da19b..4d97bd2bd57 100644
--- a/arch/m68k/kernel/setup.c
+++ b/arch/m68k/kernel/setup.c
@@ -20,6 +20,7 @@
 #include <linux/string.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/module.h>
 #include <linux/initrd.h>
@@ -80,7 +81,7 @@ void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL;
 /* machine dependent irq functions */
 void (*mach_init_IRQ) (void) __initdata = NULL;
 void (*mach_get_model) (char *model);
-int (*mach_get_hardware_list) (char *buffer);
+void (*mach_get_hardware_list) (struct seq_file *m);
 /* machine dependent timer functions */
 unsigned long (*mach_gettimeoffset) (void);
 int (*mach_hwclk) (int, struct rtc_time*);
@@ -467,9 +468,9 @@ const struct seq_operations cpuinfo_op = {
 	.show	= show_cpuinfo,
 };
 
-int get_hardware_list(char *buffer)
+#ifdef CONFIG_PROC_HARDWARE
+static int hardware_proc_show(struct seq_file *m, void *v)
 {
-	int len = 0;
 	char model[80];
 	unsigned long mem;
 	int i;
@@ -479,17 +480,37 @@ int get_hardware_list(char *buffer)
 	else
 		strcpy(model, "Unknown m68k");
 
-	len += sprintf(buffer + len, "Model:\t\t%s\n", model);
+	seq_printf(m, "Model:\t\t%s\n", model);
 	for (mem = 0, i = 0; i < m68k_num_memory; i++)
 		mem += m68k_memory[i].size;
-	len += sprintf(buffer + len, "System Memory:\t%ldK\n", mem >> 10);
+	seq_printf(m, "System Memory:\t%ldK\n", mem >> 10);
 
 	if (mach_get_hardware_list)
-		len += mach_get_hardware_list(buffer + len);
+		mach_get_hardware_list(m);
 
-	return len;
+	return 0;
+}
+
+static int hardware_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, hardware_proc_show, NULL);
 }
 
+static const struct file_operations hardware_proc_fops = {
+	.open		= hardware_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_hardware_init(void)
+{
+	proc_create("hardware", 0, NULL, &hardware_proc_fops);
+	return 0;
+}
+module_init(proc_hardware_init);
+#endif
+
 void check_bugs(void)
 {
 #ifndef CONFIG_M68KFPU_EMU
diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
index 92fe5071411..43cdf476ffa 100644
--- a/arch/m68k/mvme147/config.c
+++ b/arch/m68k/mvme147/config.c
@@ -37,7 +37,6 @@
 
 
 static void mvme147_get_model(char *model);
-static int  mvme147_get_hardware_list(char *buffer);
 extern void mvme147_sched_init(irq_handler_t handler);
 extern unsigned long mvme147_gettimeoffset (void);
 extern int mvme147_hwclk (int, struct rtc_time *);
@@ -76,14 +75,6 @@ static void mvme147_get_model(char *model)
 	sprintf(model, "Motorola MVME147");
 }
 
-
-static int mvme147_get_hardware_list(char *buffer)
-{
-	*buffer = '\0';
-
-	return 0;
-}
-
 /*
  * This function is called during kernel startup to initialize
  * the mvme147 IRQ handling routines.
@@ -104,7 +95,6 @@ void __init config_mvme147(void)
 	mach_set_clock_mmss	= mvme147_set_clock_mmss;
 	mach_reset		= mvme147_reset;
 	mach_get_model		= mvme147_get_model;
-	mach_get_hardware_list	= mvme147_get_hardware_list;
 
 	/* Board type is only set by newer versions of vmelilo/tftplilo */
 	if (!vme_brdtype)
diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
index 24cbc303045..1521826fc3c 100644
--- a/arch/m68k/mvme16x/config.c
+++ b/arch/m68k/mvme16x/config.c
@@ -17,6 +17,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/linkage.h>
@@ -42,7 +43,6 @@ extern t_bdid mvme_bdid;
 static MK48T08ptr_t volatile rtc = (MK48T08ptr_t)MVME_RTC_BASE;
 
 static void mvme16x_get_model(char *model);
-static int  mvme16x_get_hardware_list(char *buffer);
 extern void mvme16x_sched_init(irq_handler_t handler);
 extern unsigned long mvme16x_gettimeoffset (void);
 extern int mvme16x_hwclk (int, struct rtc_time *);
@@ -93,26 +93,21 @@ static void mvme16x_get_model(char *model)
 }
 
 
-static int mvme16x_get_hardware_list(char *buffer)
+static void mvme16x_get_hardware_list(struct seq_file *m)
 {
     p_bdid p = &mvme_bdid;
-    int len = 0;
 
     if (p->brdno == 0x0162 || p->brdno == 0x0172)
     {
 	unsigned char rev = *(unsigned char *)MVME162_VERSION_REG;
 
-	len += sprintf (buffer+len, "VMEchip2        %spresent\n",
+	seq_printf (m, "VMEchip2        %spresent\n",
 			rev & MVME16x_CONFIG_NO_VMECHIP2 ? "NOT " : "");
-	len += sprintf (buffer+len, "SCSI interface  %spresent\n",
+	seq_printf (m, "SCSI interface  %spresent\n",
 			rev & MVME16x_CONFIG_NO_SCSICHIP ? "NOT " : "");
-	len += sprintf (buffer+len, "Ethernet i/f    %spresent\n",
+	seq_printf (m, "Ethernet i/f    %spresent\n",
 			rev & MVME16x_CONFIG_NO_ETHERNET ? "NOT " : "");
     }
-    else
-	*buffer = '\0';
-
-    return (len);
 }
 
 /*
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 9c7eefa3f98..7110546e3c0 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -39,7 +39,6 @@
 extern irqreturn_t q40_process_int(int level, struct pt_regs *regs);
 extern void q40_init_IRQ(void);
 static void q40_get_model(char *model);
-static int  q40_get_hardware_list(char *buffer);
 extern void q40_sched_init(irq_handler_t handler);
 
 static unsigned long q40_gettimeoffset(void);
@@ -153,14 +152,6 @@ static void q40_get_model(char *model)
 	sprintf(model, "Q40");
 }
 
-/* No hardware options on Q40? */
-
-static int q40_get_hardware_list(char *buffer)
-{
-	*buffer = '\0';
-	return 0;
-}
-
 static unsigned int serports[] =
 {
 	0x3f8,0x2f8,0x3e8,0x2e8,0
@@ -191,7 +182,6 @@ void __init config_q40(void)
 
 	mach_reset = q40_reset;
 	mach_get_model = q40_get_model;
-	mach_get_hardware_list = q40_get_hardware_list;
 
 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
 	mach_beep = q40_mksound;
diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index 732087d0735..8dfaa201342 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -11,6 +11,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/init.h>
@@ -46,16 +47,9 @@ extern volatile unsigned char* sun3_intreg;
 extern unsigned long availmem;
 unsigned long num_pages;
 
-static int sun3_get_hardware_list(char *buffer)
+static void sun3_get_hardware_list(struct seq_file *m)
 {
-
-	int len = 0;
-
-	len += sprintf(buffer + len, "PROM Revision:\t%s\n",
-		       romvec->pv_monid);
-
-	return len;
-
+	seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
 }
 
 void __init sun3_init(void)
diff --git a/arch/m68k/sun3x/config.c b/arch/m68k/sun3x/config.c
index 987891783a4..2b1ca2db070 100644
--- a/arch/m68k/sun3x/config.c
+++ b/arch/m68k/sun3x/config.c
@@ -8,6 +8,7 @@
 
 #include <linux/types.h>
 #include <linux/mm.h>
+#include <linux/seq_file.h>
 #include <linux/console.h>
 #include <linux/init.h>
 
@@ -31,16 +32,9 @@ void sun3_leds(unsigned int i)
 
 }
 
-static int sun3x_get_hardware_list(char *buffer)
+static void sun3x_get_hardware_list(struct seq_file *m)
 {
-
-	int len = 0;
-
-	len += sprintf(buffer + len, "PROM Revision:\t%s\n",
-		       romvec->pv_monid);
-
-	return len;
-
+	seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
 }
 
 /*
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 4814b111d83..542527f6630 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -63,7 +63,6 @@
  * have a way to deal with that gracefully. Right now I used straightforward
  * wrappers, but this needs further analysis wrt potential overflows.
  */
-extern int get_hardware_list(char *);
 extern int get_stram_list(char *);
 extern int get_exec_domain_list(char *);
 
@@ -198,15 +197,6 @@ static const struct file_operations proc_vmstat_file_operations = {
 	.release	= seq_release,
 };
 
-#ifdef CONFIG_PROC_HARDWARE
-static int hardware_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int len = get_hardware_list(page);
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-#endif
-
 #ifdef CONFIG_STRAM_PROC
 static int stram_read_proc(char *page, char **start, off_t off,
 				 int count, int *eof, void *data)
@@ -668,9 +658,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-#ifdef CONFIG_PROC_HARDWARE
-		{"hardware",	hardware_read_proc},
-#endif
 #ifdef CONFIG_STRAM_PROC
 		{"stram",	stram_read_proc},
 #endif
diff --git a/include/asm-m68k/machdep.h b/include/asm-m68k/machdep.h
index 26d2b91209c..5637dcef314 100644
--- a/include/asm-m68k/machdep.h
+++ b/include/asm-m68k/machdep.h
@@ -14,7 +14,7 @@ extern void (*mach_sched_init) (irq_handler_t handler);
 /* machine dependent irq functions */
 extern void (*mach_init_IRQ) (void);
 extern void (*mach_get_model) (char *model);
-extern int (*mach_get_hardware_list) (char *buffer);
+extern void (*mach_get_hardware_list) (struct seq_file *m);
 /* machine dependent timer functions */
 extern unsigned long (*mach_gettimeoffset)(void);
 extern int (*mach_hwclk)(int, struct rtc_time*);
-- 
GitLab


From 4c150f6c30f5129bbce5c41568a285b1f7ca8d8b Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 13:49:34 +0400
Subject: [PATCH 2130/2224] proc: move /proc/stram to m68k-specific code

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 arch/m68k/atari/stram.c | 28 ++++++++++++++++++++++------
 fs/proc/proc_misc.c     | 13 -------------
 2 files changed, 22 insertions(+), 19 deletions(-)

diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index 04c69ffbea7..6ec3b7f3377 100644
--- a/arch/m68k/atari/stram.c
+++ b/arch/m68k/atari/stram.c
@@ -42,6 +42,7 @@
 /* abbrev for the && above... */
 #define DO_PROC
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #endif
 
 /*
@@ -323,19 +324,16 @@ static int remove_region( BLOCK *block )
 
 #ifdef DO_PROC
 
-#define	PRINT_PROC(fmt,args...) len += sprintf( buf+len, fmt, ##args )
+#define	PRINT_PROC(fmt,args...) seq_printf( m, fmt, ##args )
 
-int get_stram_list( char *buf )
+static int stram_proc_show(struct seq_file *m, void *v)
 {
-	int len = 0;
 	BLOCK *p;
 
 	PRINT_PROC("Total ST-RAM:      %8u kB\n",
 			   (stram_end - stram_start) >> 10);
 	PRINT_PROC( "Allocated regions:\n" );
 	for( p = alloc_list; p; p = p->next ) {
-		if (len + 50 >= PAGE_SIZE)
-			break;
 		PRINT_PROC("0x%08lx-0x%08lx: %s (",
 			   virt_to_phys(p->start),
 			   virt_to_phys(p->start+p->size-1),
@@ -346,9 +344,27 @@ int get_stram_list( char *buf )
 			PRINT_PROC( "??)\n" );
 	}
 
-	return( len );
+	return 0;
+}
+
+static int stram_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, stram_proc_show, NULL);
 }
 
+static const struct file_operations stram_proc_fops = {
+	.open		= stram_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_stram_init(void)
+{
+	proc_create("stram", 0, NULL, &stram_proc_fops);
+	return 0;
+}
+module_init(proc_stram_init);
 #endif
 
 
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 542527f6630..ec37d3aeaf1 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -63,7 +63,6 @@
  * have a way to deal with that gracefully. Right now I used straightforward
  * wrappers, but this needs further analysis wrt potential overflows.
  */
-extern int get_stram_list(char *);
 extern int get_exec_domain_list(char *);
 
 static int proc_calc_metrics(char *page, char **start, off_t off,
@@ -197,15 +196,6 @@ static const struct file_operations proc_vmstat_file_operations = {
 	.release	= seq_release,
 };
 
-#ifdef CONFIG_STRAM_PROC
-static int stram_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int len = get_stram_list(page);
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-#endif
-
 #ifdef CONFIG_BLOCK
 static int partitions_open(struct inode *inode, struct file *file)
 {
@@ -658,9 +648,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-#ifdef CONFIG_STRAM_PROC
-		{"stram",	stram_read_proc},
-#endif
 		{"filesystems",	filesystems_read_proc},
 		{"cmdline",	cmdline_read_proc},
 		{"execdomains",	execdomains_read_proc},
-- 
GitLab


From 6827400713fa22312ca3b4f47b0e64871c88040c Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 14:08:37 +0400
Subject: [PATCH 2131/2224] proc: move /proc/filesystems to fs/filesystems.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/filesystems.c    | 39 +++++++++++++++++++++++++++++++++++++++
 fs/proc/proc_misc.c |  8 --------
 2 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/fs/filesystems.c b/fs/filesystems.c
index f37f8726283..d0e20ced62d 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -8,6 +8,8 @@
 
 #include <linux/syscalls.h>
 #include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/kmod.h>
 #include <linux/init.h>
@@ -214,6 +216,43 @@ int get_filesystem_list(char * buf)
 	return len;
 }
 
+#ifdef CONFIG_PROC_FS
+static int filesystems_proc_show(struct seq_file *m, void *v)
+{
+	struct file_system_type * tmp;
+
+	read_lock(&file_systems_lock);
+	tmp = file_systems;
+	while (tmp) {
+		seq_printf(m, "%s\t%s\n",
+			(tmp->fs_flags & FS_REQUIRES_DEV) ? "" : "nodev",
+			tmp->name);
+		tmp = tmp->next;
+	}
+	read_unlock(&file_systems_lock);
+	return 0;
+}
+
+static int filesystems_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, filesystems_proc_show, NULL);
+}
+
+static const struct file_operations filesystems_proc_fops = {
+	.open		= filesystems_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_filesystems_init(void)
+{
+	proc_create("filesystems", 0, NULL, &filesystems_proc_fops);
+	return 0;
+}
+module_init(proc_filesystems_init);
+#endif
+
 struct file_system_type *get_fs_type(const char *name)
 {
 	struct file_system_type *fs;
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index ec37d3aeaf1..9fa20f157cf 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -472,13 +472,6 @@ static const struct file_operations proc_interrupts_operations = {
 	.release	= seq_release,
 };
 
-static int filesystems_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int len = get_filesystem_list(page);
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
 static int cmdline_read_proc(char *page, char **start, off_t off,
 				 int count, int *eof, void *data)
 {
@@ -648,7 +641,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-		{"filesystems",	filesystems_read_proc},
 		{"cmdline",	cmdline_read_proc},
 		{"execdomains",	execdomains_read_proc},
 		{NULL,}
-- 
GitLab


From cf9887f102541b8a0adb73f7da9c28d090622010 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 14:13:59 +0400
Subject: [PATCH 2132/2224] proc: switch /proc/cmdline to seq_file

and move it to fs/proc/cmdline.c while I'm at it.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |  1 +
 fs/proc/cmdline.c   | 29 +++++++++++++++++++++++++++++
 fs/proc/proc_misc.c | 10 ----------
 3 files changed, 30 insertions(+), 10 deletions(-)
 create mode 100644 fs/proc/cmdline.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 97985c848ac..48f9f0f121b 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -9,6 +9,7 @@ proc-$(CONFIG_MMU)	:= mmu.o task_mmu.o
 
 proc-y       += inode.o root.o base.o generic.o array.o \
 		proc_tty.o proc_misc.o
+proc-y	+= cmdline.o
 proc-y	+= loadavg.o
 proc-y	+= meminfo.o
 proc-y	+= uptime.o
diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c
new file mode 100644
index 00000000000..82676e3fcd1
--- /dev/null
+++ b/fs/proc/cmdline.c
@@ -0,0 +1,29 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+static int cmdline_proc_show(struct seq_file *m, void *v)
+{
+	seq_printf(m, "%s\n", saved_command_line);
+	return 0;
+}
+
+static int cmdline_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, cmdline_proc_show, NULL);
+}
+
+static const struct file_operations cmdline_proc_fops = {
+	.open		= cmdline_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_cmdline_init(void)
+{
+	proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
+	return 0;
+}
+module_init(proc_cmdline_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 9fa20f157cf..15257d4b1b9 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -472,15 +472,6 @@ static const struct file_operations proc_interrupts_operations = {
 	.release	= seq_release,
 };
 
-static int cmdline_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int len;
-
-	len = sprintf(page, "%s\n", saved_command_line);
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
 #ifdef CONFIG_FILE_LOCKING
 static int locks_open(struct inode *inode, struct file *filp)
 {
@@ -641,7 +632,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-		{"cmdline",	cmdline_read_proc},
 		{"execdomains",	execdomains_read_proc},
 		{NULL,}
 	};
-- 
GitLab


From 6e62775ece1c83a84d86df44cfd8ea3e6c96ce23 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 14:28:09 +0400
Subject: [PATCH 2133/2224] proc: move /proc/execdomains to
 kernel/exec_domain.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_misc.c  |  9 ---------
 kernel/exec_domain.c | 33 +++++++++++++++++++++++++++------
 2 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 15257d4b1b9..424b9d03b1a 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -63,7 +63,6 @@
  * have a way to deal with that gracefully. Right now I used straightforward
  * wrappers, but this needs further analysis wrt potential overflows.
  */
-extern int get_exec_domain_list(char *);
 
 static int proc_calc_metrics(char *page, char **start, off_t off,
 				 int count, int *eof, int len)
@@ -486,13 +485,6 @@ static const struct file_operations proc_locks_operations = {
 };
 #endif /* CONFIG_FILE_LOCKING */
 
-static int execdomains_read_proc(char *page, char **start, off_t off,
-				 int count, int *eof, void *data)
-{
-	int len = get_exec_domain_list(page);
-	return proc_calc_metrics(page, start, off, count, eof, len);
-}
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -632,7 +624,6 @@ void __init proc_misc_init(void)
 		char *name;
 		int (*read_proc)(char*,char**,off_t,int,int*,void*);
 	} *p, simple_ones[] = {
-		{"execdomains",	execdomains_read_proc},
 		{NULL,}
 	};
 	for (p = simple_ones; p->name; p++)
diff --git a/kernel/exec_domain.c b/kernel/exec_domain.c
index 0d407e88673..0511716e942 100644
--- a/kernel/exec_domain.c
+++ b/kernel/exec_domain.c
@@ -12,7 +12,9 @@
 #include <linux/kmod.h>
 #include <linux/module.h>
 #include <linux/personality.h>
+#include <linux/proc_fs.h>
 #include <linux/sched.h>
+#include <linux/seq_file.h>
 #include <linux/syscalls.h>
 #include <linux/sysctl.h>
 #include <linux/types.h>
@@ -173,20 +175,39 @@ __set_personality(u_long personality)
 	return 0;
 }
 
-int
-get_exec_domain_list(char *page)
+#ifdef CONFIG_PROC_FS
+static int execdomains_proc_show(struct seq_file *m, void *v)
 {
 	struct exec_domain	*ep;
-	int			len = 0;
 
 	read_lock(&exec_domains_lock);
-	for (ep = exec_domains; ep && len < PAGE_SIZE - 80; ep = ep->next)
-		len += sprintf(page + len, "%d-%d\t%-16s\t[%s]\n",
+	for (ep = exec_domains; ep; ep = ep->next)
+		seq_printf(m, "%d-%d\t%-16s\t[%s]\n",
 			       ep->pers_low, ep->pers_high, ep->name,
 			       module_name(ep->module));
 	read_unlock(&exec_domains_lock);
-	return (len);
+	return 0;
+}
+
+static int execdomains_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, execdomains_proc_show, NULL);
+}
+
+static const struct file_operations execdomains_proc_fops = {
+	.open		= execdomains_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_execdomains_init(void)
+{
+	proc_create("execdomains", 0, NULL, &execdomains_proc_fops);
+	return 0;
 }
+module_init(proc_execdomains_init);
+#endif
 
 asmlinkage long
 sys_personality(u_long personality)
-- 
GitLab


From 659689280ad91d31235db79cda6c7c799c4d3781 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 14:30:53 +0400
Subject: [PATCH 2134/2224] proc: remove remnants of ->read_proc in proc_misc.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_misc.c | 27 ---------------------------
 1 file changed, 27 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 424b9d03b1a..e177f42496c 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,24 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-/*
- * Warning: stuff below (imported functions) assumes that its output will fit
- * into one page. For some of those functions it may be wrong. Moreover, we
- * have a way to deal with that gracefully. Right now I used straightforward
- * wrappers, but this needs further analysis wrt potential overflows.
- */
-
-static int proc_calc_metrics(char *page, char **start, off_t off,
-				 int count, int *eof, int len)
-{
-	if (len <= off+count) *eof = 1;
-	*start = page + off;
-	len -= off;
-	if (len>count) len = count;
-	if (len<0) len = 0;
-	return len;
-}
-
 static int fragmentation_open(struct inode *inode, struct file *file)
 {
 	(void)inode;
@@ -620,15 +602,6 @@ struct proc_dir_entry *proc_root_kcore;
 
 void __init proc_misc_init(void)
 {
-	static struct {
-		char *name;
-		int (*read_proc)(char*,char**,off_t,int,int*,void*);
-	} *p, simple_ones[] = {
-		{NULL,}
-	};
-	for (p = simple_ones; p->name; p++)
-		create_proc_read_entry(p->name, 0, NULL, p->read_proc, NULL);
-
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-- 
GitLab


From ae048112c099b0f3adb57f7c0b3a49bc62244609 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 14:39:12 +0400
Subject: [PATCH 2135/2224] proc: move /proc/kmsg creation to fs/proc/kmsg.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/internal.h  |  1 -
 fs/proc/kmsg.c      | 12 +++++++++---
 fs/proc/proc_misc.c |  3 ---
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index d5bf4dec6b0..3e8aeb8b61c 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -61,7 +61,6 @@ extern const struct file_operations proc_smaps_operations;
 extern const struct file_operations proc_clear_refs_operations;
 extern const struct file_operations proc_pagemap_operations;
 extern const struct file_operations proc_net_operations;
-extern const struct file_operations proc_kmsg_operations;
 extern const struct inode_operations proc_net_inode_operations;
 
 void free_proc_entry(struct proc_dir_entry *de);
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index 9fd5df3f40c..7ca78346d3f 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -10,13 +10,12 @@
 #include <linux/time.h>
 #include <linux/kernel.h>
 #include <linux/poll.h>
+#include <linux/proc_fs.h>
 #include <linux/fs.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-#include "internal.h"
-
 extern wait_queue_head_t log_wait;
 
 extern int do_syslog(int type, char __user *bug, int count);
@@ -49,9 +48,16 @@ static unsigned int kmsg_poll(struct file *file, poll_table *wait)
 }
 
 
-const struct file_operations proc_kmsg_operations = {
+static const struct file_operations proc_kmsg_operations = {
 	.read		= kmsg_read,
 	.poll		= kmsg_poll,
 	.open		= kmsg_open,
 	.release	= kmsg_release,
 };
+
+static int __init proc_kmsg_init(void)
+{
+	proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
+	return 0;
+}
+module_init(proc_kmsg_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index e177f42496c..fcac25edaef 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -605,9 +605,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_PRINTK
-	proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
-#endif
 #ifdef CONFIG_FILE_LOCKING
 	proc_create("locks", 0, NULL, &proc_locks_operations);
 #endif
-- 
GitLab


From d8ba7a363393f803c93c8cffabd6d0362618bc2a Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 22:34:18 +0400
Subject: [PATCH 2136/2224] proc: move rest of /proc/locks to fs/locks.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/locks.c          | 22 +++++++++++++++++++++-
 fs/proc/proc_misc.c | 17 -----------------
 include/linux/fs.h  |  1 -
 3 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/fs/locks.c b/fs/locks.c
index 5eb259e3cd3..90e87f57b33 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2078,6 +2078,7 @@ int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
 EXPORT_SYMBOL_GPL(vfs_cancel_lock);
 
 #ifdef CONFIG_PROC_FS
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 static void lock_get_status(struct seq_file *f, struct file_lock *fl,
@@ -2183,12 +2184,31 @@ static void locks_stop(struct seq_file *f, void *v)
 	unlock_kernel();
 }
 
-struct seq_operations locks_seq_operations = {
+static const struct seq_operations locks_seq_operations = {
 	.start	= locks_start,
 	.next	= locks_next,
 	.stop	= locks_stop,
 	.show	= locks_show,
 };
+
+static int locks_open(struct inode *inode, struct file *filp)
+{
+	return seq_open(filp, &locks_seq_operations);
+}
+
+static const struct file_operations proc_locks_operations = {
+	.open		= locks_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init proc_locks_init(void)
+{
+	proc_create("locks", 0, NULL, &proc_locks_operations);
+	return 0;
+}
+module_init(proc_locks_init);
 #endif
 
 /**
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index fcac25edaef..fea7d658fff 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -453,20 +453,6 @@ static const struct file_operations proc_interrupts_operations = {
 	.release	= seq_release,
 };
 
-#ifdef CONFIG_FILE_LOCKING
-static int locks_open(struct inode *inode, struct file *filp)
-{
-	return seq_open(filp, &locks_seq_operations);
-}
-
-static const struct file_operations proc_locks_operations = {
-	.open		= locks_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-#endif /* CONFIG_FILE_LOCKING */
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -605,9 +591,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_FILE_LOCKING
-	proc_create("locks", 0, NULL, &proc_locks_operations);
-#endif
 	proc_create("devices", 0, NULL, &proc_devinfo_operations);
 	proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
 #ifdef CONFIG_BLOCK
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a6a625be13f..024049543ae 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1037,7 +1037,6 @@ extern int vfs_setlease(struct file *, long, struct file_lock **);
 extern int lease_modify(struct file_lock **, int);
 extern int lock_may_read(struct inode *, loff_t start, unsigned long count);
 extern int lock_may_write(struct inode *, loff_t start, unsigned long count);
-extern struct seq_operations locks_seq_operations;
 #else /* !CONFIG_FILE_LOCKING */
 #define fcntl_getlk(a, b) ({ -EINVAL; })
 #define fcntl_setlk(a, b, c, d) ({ -EACCES; })
-- 
GitLab


From fe2510426a02dd2fefcb0389b60f77cbe0462289 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 23:11:37 +0400
Subject: [PATCH 2137/2224] proc: move /proc/devices code to fs/proc/devices.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |  1 +
 fs/proc/devices.c   | 70 +++++++++++++++++++++++++++++++++++++++++++++
 fs/proc/proc_misc.c | 60 --------------------------------------
 3 files changed, 71 insertions(+), 60 deletions(-)
 create mode 100644 fs/proc/devices.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 48f9f0f121b..f24ebfdc5b4 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -10,6 +10,7 @@ proc-$(CONFIG_MMU)	:= mmu.o task_mmu.o
 proc-y       += inode.o root.o base.o generic.o array.o \
 		proc_tty.o proc_misc.o
 proc-y	+= cmdline.o
+proc-y	+= devices.o
 proc-y	+= loadavg.o
 proc-y	+= meminfo.o
 proc-y	+= uptime.o
diff --git a/fs/proc/devices.c b/fs/proc/devices.c
new file mode 100644
index 00000000000..59ee7da959c
--- /dev/null
+++ b/fs/proc/devices.c
@@ -0,0 +1,70 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+static int devinfo_show(struct seq_file *f, void *v)
+{
+	int i = *(loff_t *) v;
+
+	if (i < CHRDEV_MAJOR_HASH_SIZE) {
+		if (i == 0)
+			seq_printf(f, "Character devices:\n");
+		chrdev_show(f, i);
+	}
+#ifdef CONFIG_BLOCK
+	else {
+		i -= CHRDEV_MAJOR_HASH_SIZE;
+		if (i == 0)
+			seq_printf(f, "\nBlock devices:\n");
+		blkdev_show(f, i);
+	}
+#endif
+	return 0;
+}
+
+static void *devinfo_start(struct seq_file *f, loff_t *pos)
+{
+	if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
+		return pos;
+	return NULL;
+}
+
+static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
+{
+	(*pos)++;
+	if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
+		return NULL;
+	return pos;
+}
+
+static void devinfo_stop(struct seq_file *f, void *v)
+{
+	/* Nothing to do */
+}
+
+static const struct seq_operations devinfo_ops = {
+	.start = devinfo_start,
+	.next  = devinfo_next,
+	.stop  = devinfo_stop,
+	.show  = devinfo_show
+};
+
+static int devinfo_open(struct inode *inode, struct file *filp)
+{
+	return seq_open(filp, &devinfo_ops);
+}
+
+static const struct file_operations proc_devinfo_operations = {
+	.open		= devinfo_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init proc_devices_init(void)
+{
+	proc_create("devices", 0, NULL, &proc_devinfo_operations);
+	return 0;
+}
+module_init(proc_devices_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index fea7d658fff..a6fadc0cc4b 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -107,65 +107,6 @@ static const struct file_operations proc_cpuinfo_operations = {
 	.release	= seq_release,
 };
 
-static int devinfo_show(struct seq_file *f, void *v)
-{
-	int i = *(loff_t *) v;
-
-	if (i < CHRDEV_MAJOR_HASH_SIZE) {
-		if (i == 0)
-			seq_printf(f, "Character devices:\n");
-		chrdev_show(f, i);
-	}
-#ifdef CONFIG_BLOCK
-	else {
-		i -= CHRDEV_MAJOR_HASH_SIZE;
-		if (i == 0)
-			seq_printf(f, "\nBlock devices:\n");
-		blkdev_show(f, i);
-	}
-#endif
-	return 0;
-}
-
-static void *devinfo_start(struct seq_file *f, loff_t *pos)
-{
-	if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
-		return pos;
-	return NULL;
-}
-
-static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
-{
-	(*pos)++;
-	if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
-		return NULL;
-	return pos;
-}
-
-static void devinfo_stop(struct seq_file *f, void *v)
-{
-	/* Nothing to do */
-}
-
-static const struct seq_operations devinfo_ops = {
-	.start = devinfo_start,
-	.next  = devinfo_next,
-	.stop  = devinfo_stop,
-	.show  = devinfo_show
-};
-
-static int devinfo_open(struct inode *inode, struct file *filp)
-{
-	return seq_open(filp, &devinfo_ops);
-}
-
-static const struct file_operations proc_devinfo_operations = {
-	.open		= devinfo_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 static int vmstat_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &vmstat_op);
@@ -591,7 +532,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("devices", 0, NULL, &proc_devinfo_operations);
 	proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
 #ifdef CONFIG_BLOCK
 	proc_create("partitions", 0, NULL, &proc_partitions_operations);
-- 
GitLab


From 8591cf43224980a0bc9216a4e50b0a740f8cba35 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 23:40:23 +0400
Subject: [PATCH 2138/2224] proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |  1 +
 fs/proc/cpuinfo.c   | 24 ++++++++++++++++++++++++
 fs/proc/proc_misc.c | 14 --------------
 3 files changed, 25 insertions(+), 14 deletions(-)
 create mode 100644 fs/proc/cpuinfo.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index f24ebfdc5b4..c91cc9c283b 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -10,6 +10,7 @@ proc-$(CONFIG_MMU)	:= mmu.o task_mmu.o
 proc-y       += inode.o root.o base.o generic.o array.o \
 		proc_tty.o proc_misc.o
 proc-y	+= cmdline.o
+proc-y	+= cpuinfo.o
 proc-y	+= devices.o
 proc-y	+= loadavg.o
 proc-y	+= meminfo.o
diff --git a/fs/proc/cpuinfo.c b/fs/proc/cpuinfo.c
new file mode 100644
index 00000000000..5a1e539a234
--- /dev/null
+++ b/fs/proc/cpuinfo.c
@@ -0,0 +1,24 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+extern const struct seq_operations cpuinfo_op;
+static int cpuinfo_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &cpuinfo_op);
+}
+
+static const struct file_operations proc_cpuinfo_operations = {
+	.open		= cpuinfo_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init proc_cpuinfo_init(void)
+{
+	proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
+	return 0;
+}
+module_init(proc_cpuinfo_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index a6fadc0cc4b..8974809be5f 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -94,19 +94,6 @@ static const struct file_operations proc_zoneinfo_file_operations = {
 	.release	= seq_release,
 };
 
-extern const struct seq_operations cpuinfo_op;
-static int cpuinfo_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &cpuinfo_op);
-}
-
-static const struct file_operations proc_cpuinfo_operations = {
-	.open		= cpuinfo_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 static int vmstat_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &vmstat_op);
@@ -532,7 +519,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
 #ifdef CONFIG_BLOCK
 	proc_create("partitions", 0, NULL, &proc_partitions_operations);
 #endif
-- 
GitLab


From f500975a3f3ecf3611d79f1d933906753460b9f2 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sat, 4 Oct 2008 23:53:21 +0400
Subject: [PATCH 2139/2224] proc: move rest of /proc/partitions code to
 block/genhd.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/genhd.c         | 22 +++++++++++++++++++++-
 fs/proc/proc_misc.c   | 14 --------------
 include/linux/genhd.h |  1 -
 3 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index 646e1d2507c..15f4d2b12c4 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -10,6 +10,7 @@
 #include <linux/blkdev.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/kmod.h>
@@ -727,12 +728,24 @@ static int show_partition(struct seq_file *seqf, void *v)
 	return 0;
 }
 
-const struct seq_operations partitions_op = {
+static const struct seq_operations partitions_op = {
 	.start	= show_partition_start,
 	.next	= disk_seqf_next,
 	.stop	= disk_seqf_stop,
 	.show	= show_partition
 };
+
+static int partitions_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &partitions_op);
+}
+
+static const struct file_operations proc_partitions_operations = {
+	.open		= partitions_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
 #endif
 
 
@@ -998,6 +1011,13 @@ const struct seq_operations diskstats_op = {
 	.stop	= disk_seqf_stop,
 	.show	= diskstats_show
 };
+
+static int __init proc_genhd_init(void)
+{
+	proc_create("partitions", 0, NULL, &proc_partitions_operations);
+	return 0;
+}
+module_init(proc_genhd_init);
 #endif /* CONFIG_PROC_FS */
 
 static void media_change_notify_thread(struct work_struct *work)
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 8974809be5f..253ea50c439 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -106,17 +106,6 @@ static const struct file_operations proc_vmstat_file_operations = {
 };
 
 #ifdef CONFIG_BLOCK
-static int partitions_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &partitions_op);
-}
-static const struct file_operations proc_partitions_operations = {
-	.open		= partitions_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 static int diskstats_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &diskstats_op);
@@ -519,9 +508,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_BLOCK
-	proc_create("partitions", 0, NULL, &proc_partitions_operations);
-#endif
 	proc_create("stat", 0, NULL, &proc_stat_operations);
 	proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
 #ifdef CONFIG_SLABINFO
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 206cdf96c3a..074a4fdf436 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -25,7 +25,6 @@ extern struct device_type part_type;
 extern struct kobject *block_depr;
 extern struct class block_class;
 
-extern const struct seq_operations partitions_op;
 extern const struct seq_operations diskstats_op;
 
 enum {
-- 
GitLab


From df8106dbb59a8c167ea16631059ecb5f7d77da13 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sun, 5 Oct 2008 00:01:56 +0400
Subject: [PATCH 2140/2224] proc: move /proc/stat to fs/proc/stat.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |   1 +
 fs/proc/proc_misc.c | 134 --------------------------------------
 fs/proc/stat.c      | 153 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 154 insertions(+), 134 deletions(-)
 create mode 100644 fs/proc/stat.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index c91cc9c283b..13ffa7b8d92 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -14,6 +14,7 @@ proc-y	+= cpuinfo.o
 proc-y	+= devices.o
 proc-y	+= loadavg.o
 proc-y	+= meminfo.o
+proc-y	+= stat.o
 proc-y	+= uptime.o
 proc-y	+= version.o
 proc-$(CONFIG_PROC_SYSCTL)	+= proc_sysctl.o
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 253ea50c439..a87802fc931 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -198,139 +198,6 @@ static const struct file_operations proc_vmalloc_operations = {
 };
 #endif
 
-#ifndef arch_irq_stat_cpu
-#define arch_irq_stat_cpu(cpu) 0
-#endif
-#ifndef arch_irq_stat
-#define arch_irq_stat() 0
-#endif
-
-static int show_stat(struct seq_file *p, void *v)
-{
-	int i, j;
-	unsigned long jif;
-	cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
-	cputime64_t guest;
-	u64 sum = 0;
-	struct timespec boottime;
-	unsigned int per_irq_sum;
-
-	user = nice = system = idle = iowait =
-		irq = softirq = steal = cputime64_zero;
-	guest = cputime64_zero;
-	getboottime(&boottime);
-	jif = boottime.tv_sec;
-
-	for_each_possible_cpu(i) {
-		user = cputime64_add(user, kstat_cpu(i).cpustat.user);
-		nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
-		system = cputime64_add(system, kstat_cpu(i).cpustat.system);
-		idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
-		iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
-		irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
-		softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
-		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
-		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
-
-		for_each_irq_nr(j)
-			sum += kstat_irqs_cpu(j, i);
-
-		sum += arch_irq_stat_cpu(i);
-	}
-	sum += arch_irq_stat();
-
-	seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
-		(unsigned long long)cputime64_to_clock_t(user),
-		(unsigned long long)cputime64_to_clock_t(nice),
-		(unsigned long long)cputime64_to_clock_t(system),
-		(unsigned long long)cputime64_to_clock_t(idle),
-		(unsigned long long)cputime64_to_clock_t(iowait),
-		(unsigned long long)cputime64_to_clock_t(irq),
-		(unsigned long long)cputime64_to_clock_t(softirq),
-		(unsigned long long)cputime64_to_clock_t(steal),
-		(unsigned long long)cputime64_to_clock_t(guest));
-	for_each_online_cpu(i) {
-
-		/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
-		user = kstat_cpu(i).cpustat.user;
-		nice = kstat_cpu(i).cpustat.nice;
-		system = kstat_cpu(i).cpustat.system;
-		idle = kstat_cpu(i).cpustat.idle;
-		iowait = kstat_cpu(i).cpustat.iowait;
-		irq = kstat_cpu(i).cpustat.irq;
-		softirq = kstat_cpu(i).cpustat.softirq;
-		steal = kstat_cpu(i).cpustat.steal;
-		guest = kstat_cpu(i).cpustat.guest;
-		seq_printf(p,
-			"cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
-			i,
-			(unsigned long long)cputime64_to_clock_t(user),
-			(unsigned long long)cputime64_to_clock_t(nice),
-			(unsigned long long)cputime64_to_clock_t(system),
-			(unsigned long long)cputime64_to_clock_t(idle),
-			(unsigned long long)cputime64_to_clock_t(iowait),
-			(unsigned long long)cputime64_to_clock_t(irq),
-			(unsigned long long)cputime64_to_clock_t(softirq),
-			(unsigned long long)cputime64_to_clock_t(steal),
-			(unsigned long long)cputime64_to_clock_t(guest));
-	}
-	seq_printf(p, "intr %llu", (unsigned long long)sum);
-
-	/* sum again ? it could be updated? */
-	for_each_irq_nr(j) {
-		per_irq_sum = 0;
-
-		for_each_possible_cpu(i)
-			per_irq_sum += kstat_irqs_cpu(j, i);
-
-		seq_printf(p, " %u", per_irq_sum);
-	}
-
-	seq_printf(p,
-		"\nctxt %llu\n"
-		"btime %lu\n"
-		"processes %lu\n"
-		"procs_running %lu\n"
-		"procs_blocked %lu\n",
-		nr_context_switches(),
-		(unsigned long)jif,
-		total_forks,
-		nr_running(),
-		nr_iowait());
-
-	return 0;
-}
-
-static int stat_open(struct inode *inode, struct file *file)
-{
-	unsigned size = 4096 * (1 + num_possible_cpus() / 32);
-	char *buf;
-	struct seq_file *m;
-	int res;
-
-	/* don't ask for more than the kmalloc() max size, currently 128 KB */
-	if (size > 128 * 1024)
-		size = 128 * 1024;
-	buf = kmalloc(size, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	res = single_open(file, show_stat, NULL);
-	if (!res) {
-		m = file->private_data;
-		m->buf = buf;
-		m->size = size;
-	} else
-		kfree(buf);
-	return res;
-}
-static const struct file_operations proc_stat_operations = {
-	.open		= stat_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
 /*
  * /proc/interrupts
  */
@@ -508,7 +375,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("stat", 0, NULL, &proc_stat_operations);
 	proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
 #ifdef CONFIG_SLABINFO
 	proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
new file mode 100644
index 00000000000..81904f07679
--- /dev/null
+++ b/fs/proc/stat.c
@@ -0,0 +1,153 @@
+#include <linux/cpumask.h>
+#include <linux/fs.h>
+#include <linux/gfp.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/proc_fs.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <asm/cputime.h>
+
+#ifndef arch_irq_stat_cpu
+#define arch_irq_stat_cpu(cpu) 0
+#endif
+#ifndef arch_irq_stat
+#define arch_irq_stat() 0
+#endif
+
+static int show_stat(struct seq_file *p, void *v)
+{
+	int i, j;
+	unsigned long jif;
+	cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
+	cputime64_t guest;
+	u64 sum = 0;
+	struct timespec boottime;
+	unsigned int per_irq_sum;
+
+	user = nice = system = idle = iowait =
+		irq = softirq = steal = cputime64_zero;
+	guest = cputime64_zero;
+	getboottime(&boottime);
+	jif = boottime.tv_sec;
+
+	for_each_possible_cpu(i) {
+		user = cputime64_add(user, kstat_cpu(i).cpustat.user);
+		nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
+		system = cputime64_add(system, kstat_cpu(i).cpustat.system);
+		idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
+		iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
+		irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
+		softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
+		steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
+		guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
+
+		for_each_irq_nr(j)
+			sum += kstat_irqs_cpu(j, i);
+
+		sum += arch_irq_stat_cpu(i);
+	}
+	sum += arch_irq_stat();
+
+	seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+		(unsigned long long)cputime64_to_clock_t(user),
+		(unsigned long long)cputime64_to_clock_t(nice),
+		(unsigned long long)cputime64_to_clock_t(system),
+		(unsigned long long)cputime64_to_clock_t(idle),
+		(unsigned long long)cputime64_to_clock_t(iowait),
+		(unsigned long long)cputime64_to_clock_t(irq),
+		(unsigned long long)cputime64_to_clock_t(softirq),
+		(unsigned long long)cputime64_to_clock_t(steal),
+		(unsigned long long)cputime64_to_clock_t(guest));
+	for_each_online_cpu(i) {
+
+		/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
+		user = kstat_cpu(i).cpustat.user;
+		nice = kstat_cpu(i).cpustat.nice;
+		system = kstat_cpu(i).cpustat.system;
+		idle = kstat_cpu(i).cpustat.idle;
+		iowait = kstat_cpu(i).cpustat.iowait;
+		irq = kstat_cpu(i).cpustat.irq;
+		softirq = kstat_cpu(i).cpustat.softirq;
+		steal = kstat_cpu(i).cpustat.steal;
+		guest = kstat_cpu(i).cpustat.guest;
+		seq_printf(p,
+			"cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+			i,
+			(unsigned long long)cputime64_to_clock_t(user),
+			(unsigned long long)cputime64_to_clock_t(nice),
+			(unsigned long long)cputime64_to_clock_t(system),
+			(unsigned long long)cputime64_to_clock_t(idle),
+			(unsigned long long)cputime64_to_clock_t(iowait),
+			(unsigned long long)cputime64_to_clock_t(irq),
+			(unsigned long long)cputime64_to_clock_t(softirq),
+			(unsigned long long)cputime64_to_clock_t(steal),
+			(unsigned long long)cputime64_to_clock_t(guest));
+	}
+	seq_printf(p, "intr %llu", (unsigned long long)sum);
+
+	/* sum again ? it could be updated? */
+	for_each_irq_nr(j) {
+		per_irq_sum = 0;
+
+		for_each_possible_cpu(i)
+			per_irq_sum += kstat_irqs_cpu(j, i);
+
+		seq_printf(p, " %u", per_irq_sum);
+	}
+
+	seq_printf(p,
+		"\nctxt %llu\n"
+		"btime %lu\n"
+		"processes %lu\n"
+		"procs_running %lu\n"
+		"procs_blocked %lu\n",
+		nr_context_switches(),
+		(unsigned long)jif,
+		total_forks,
+		nr_running(),
+		nr_iowait());
+
+	return 0;
+}
+
+static int stat_open(struct inode *inode, struct file *file)
+{
+	unsigned size = 4096 * (1 + num_possible_cpus() / 32);
+	char *buf;
+	struct seq_file *m;
+	int res;
+
+	/* don't ask for more than the kmalloc() max size, currently 128 KB */
+	if (size > 128 * 1024)
+		size = 128 * 1024;
+	buf = kmalloc(size, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	res = single_open(file, show_stat, NULL);
+	if (!res) {
+		m = file->private_data;
+		m->buf = buf;
+		m->size = size;
+	} else
+		kfree(buf);
+	return res;
+}
+
+static const struct file_operations proc_stat_operations = {
+	.open		= stat_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static int __init proc_stat_init(void)
+{
+	proc_create("stat", 0, NULL, &proc_stat_operations);
+	return 0;
+}
+module_init(proc_stat_init);
-- 
GitLab


From d6917e19f3fda8e1f88bc23ddceed952927bd716 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Sun, 5 Oct 2008 00:08:44 +0400
Subject: [PATCH 2141/2224] proc: move /proc/interrupts boilerplate code to
 fs/proc/interrupts.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile     |  1 +
 fs/proc/interrupts.c | 53 ++++++++++++++++++++++++++++++++++++++++++++
 fs/proc/proc_misc.c  | 40 ---------------------------------
 3 files changed, 54 insertions(+), 40 deletions(-)
 create mode 100644 fs/proc/interrupts.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 13ffa7b8d92..b921f4475c9 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -12,6 +12,7 @@ proc-y       += inode.o root.o base.o generic.o array.o \
 proc-y	+= cmdline.o
 proc-y	+= cpuinfo.o
 proc-y	+= devices.o
+proc-y	+= interrupts.o
 proc-y	+= loadavg.o
 proc-y	+= meminfo.o
 proc-y	+= stat.o
diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c
new file mode 100644
index 00000000000..05029c0e2f2
--- /dev/null
+++ b/fs/proc/interrupts.c
@@ -0,0 +1,53 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irqnr.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+/*
+ * /proc/interrupts
+ */
+static void *int_seq_start(struct seq_file *f, loff_t *pos)
+{
+	return (*pos <= nr_irqs) ? pos : NULL;
+}
+
+static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
+{
+	(*pos)++;
+	if (*pos > nr_irqs)
+		return NULL;
+	return pos;
+}
+
+static void int_seq_stop(struct seq_file *f, void *v)
+{
+	/* Nothing to do */
+}
+
+static const struct seq_operations int_seq_ops = {
+	.start = int_seq_start,
+	.next  = int_seq_next,
+	.stop  = int_seq_stop,
+	.show  = show_interrupts
+};
+
+static int interrupts_open(struct inode *inode, struct file *filp)
+{
+	return seq_open(filp, &int_seq_ops);
+}
+
+static const struct file_operations proc_interrupts_operations = {
+	.open		= interrupts_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init proc_interrupts_init(void)
+{
+	proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
+	return 0;
+}
+module_init(proc_interrupts_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index a87802fc931..9e1d2684ce9 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -198,45 +198,6 @@ static const struct file_operations proc_vmalloc_operations = {
 };
 #endif
 
-/*
- * /proc/interrupts
- */
-static void *int_seq_start(struct seq_file *f, loff_t *pos)
-{
-	return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-
-static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
-{
-	(*pos)++;
-	return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-static void int_seq_stop(struct seq_file *f, void *v)
-{
-	/* Nothing to do */
-}
-
-static const struct seq_operations int_seq_ops = {
-	.start = int_seq_start,
-	.next  = int_seq_next,
-	.stop  = int_seq_stop,
-	.show  = show_interrupts
-};
-
-static int interrupts_open(struct inode *inode, struct file *filp)
-{
-	return seq_open(filp, &int_seq_ops);
-}
-
-static const struct file_operations proc_interrupts_operations = {
-	.open		= interrupts_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -375,7 +336,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
 #ifdef CONFIG_SLABINFO
 	proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
 #ifdef CONFIG_DEBUG_SLAB_LEAK
-- 
GitLab


From a0ec95a8e69792e4ad642daac037c9b01ea3e2cd Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 00:59:10 +0400
Subject: [PATCH 2142/2224] proc: move /proc/slab_allocators boilerplate to
 mm/slab.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 fs/proc/proc_misc.c | 30 ------------------------------
 mm/slab.c           | 36 +++++++++++++++++++++++++++++++++++-
 2 files changed, 35 insertions(+), 31 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 9e1d2684ce9..5bca02842d0 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -144,33 +144,6 @@ static const struct file_operations proc_slabinfo_operations = {
 	.llseek		= seq_lseek,
 	.release	= seq_release,
 };
-
-#ifdef CONFIG_DEBUG_SLAB_LEAK
-extern const struct seq_operations slabstats_op;
-static int slabstats_open(struct inode *inode, struct file *file)
-{
-	unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	int ret = -ENOMEM;
-	if (n) {
-		ret = seq_open(file, &slabstats_op);
-		if (!ret) {
-			struct seq_file *m = file->private_data;
-			*n = PAGE_SIZE / (2 * sizeof(unsigned long));
-			m->private = n;
-			n = NULL;
-		}
-		kfree(n);
-	}
-	return ret;
-}
-
-static const struct file_operations proc_slabstats_operations = {
-	.open		= slabstats_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release_private,
-};
-#endif
 #endif
 
 #ifdef CONFIG_MMU
@@ -338,9 +311,6 @@ void __init proc_misc_init(void)
 	/* And now for trickier ones */
 #ifdef CONFIG_SLABINFO
 	proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
-#ifdef CONFIG_DEBUG_SLAB_LEAK
-	proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
-#endif
 #endif
 #ifdef CONFIG_MMU
 	proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
diff --git a/mm/slab.c b/mm/slab.c
index e76eee46688..d53ac9c26ab 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -95,6 +95,7 @@
 #include	<linux/init.h>
 #include	<linux/compiler.h>
 #include	<linux/cpuset.h>
+#include	<linux/proc_fs.h>
 #include	<linux/seq_file.h>
 #include	<linux/notifier.h>
 #include	<linux/kallsyms.h>
@@ -4443,13 +4444,46 @@ static int leaks_show(struct seq_file *m, void *p)
 	return 0;
 }
 
-const struct seq_operations slabstats_op = {
+static const struct seq_operations slabstats_op = {
 	.start = leaks_start,
 	.next = s_next,
 	.stop = s_stop,
 	.show = leaks_show,
 };
+
+static int slabstats_open(struct inode *inode, struct file *file)
+{
+	unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	int ret = -ENOMEM;
+	if (n) {
+		ret = seq_open(file, &slabstats_op);
+		if (!ret) {
+			struct seq_file *m = file->private_data;
+			*n = PAGE_SIZE / (2 * sizeof(unsigned long));
+			m->private = n;
+			n = NULL;
+		}
+		kfree(n);
+	}
+	return ret;
+}
+
+static const struct file_operations proc_slabstats_operations = {
+	.open		= slabstats_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release_private,
+};
+#endif
+
+static int __init slab_proc_init(void)
+{
+#ifdef CONFIG_DEBUG_SLAB_LEAK
+	proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
 #endif
+	return 0;
+}
+module_init(slab_proc_init);
 #endif
 
 /**
-- 
GitLab


From 7b3c3a50a3e0ea46815150d420fa276ac254572b Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 02:42:17 +0400
Subject: [PATCH 2143/2224] proc: move /proc/slabinfo boilerplate to mm/slub.c,
 mm/slab.c

Lose dummy ->write hook in case of SLUB, it's possible now.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 fs/proc/proc_misc.c  | 17 -----------------
 include/linux/slab.h |  5 -----
 mm/slab.c            | 16 +++++++++++++++-
 mm/slub.c            | 29 ++++++++++++++++++++---------
 4 files changed, 35 insertions(+), 32 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 5bca02842d0..1d6d5c5cc2a 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -132,20 +132,6 @@ static const struct file_operations proc_modules_operations = {
 };
 #endif
 
-#ifdef CONFIG_SLABINFO
-static int slabinfo_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &slabinfo_op);
-}
-static const struct file_operations proc_slabinfo_operations = {
-	.open		= slabinfo_open,
-	.read		= seq_read,
-	.write		= slabinfo_write,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-#endif
-
 #ifdef CONFIG_MMU
 static int vmalloc_open(struct inode *inode, struct file *file)
 {
@@ -309,9 +295,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_SLABINFO
-	proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
-#endif
 #ifdef CONFIG_MMU
 	proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
 #endif
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 5ff9676c1e2..ba965c84ae0 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -288,9 +288,4 @@ static inline void *kzalloc_node(size_t size, gfp_t flags, int node)
 	return kmalloc_node(size, flags | __GFP_ZERO, node);
 }
 
-#ifdef CONFIG_SLABINFO
-extern const struct seq_operations slabinfo_op;
-ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);
-#endif
-
 #endif	/* _LINUX_SLAB_H */
diff --git a/mm/slab.c b/mm/slab.c
index d53ac9c26ab..09187517f9d 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4259,7 +4259,7 @@ static int s_show(struct seq_file *m, void *p)
  * + further values on SMP and with statistics enabled
  */
 
-const struct seq_operations slabinfo_op = {
+static const struct seq_operations slabinfo_op = {
 	.start = s_start,
 	.next = s_next,
 	.stop = s_stop,
@@ -4316,6 +4316,19 @@ ssize_t slabinfo_write(struct file *file, const char __user * buffer,
 	return res;
 }
 
+static int slabinfo_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &slabinfo_op);
+}
+
+static const struct file_operations proc_slabinfo_operations = {
+	.open		= slabinfo_open,
+	.read		= seq_read,
+	.write		= slabinfo_write,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 #ifdef CONFIG_DEBUG_SLAB_LEAK
 
 static void *leaks_start(struct seq_file *m, loff_t *pos)
@@ -4478,6 +4491,7 @@ static const struct file_operations proc_slabstats_operations = {
 
 static int __init slab_proc_init(void)
 {
+	proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
 #ifdef CONFIG_DEBUG_SLAB_LEAK
 	proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
 #endif
diff --git a/mm/slub.c b/mm/slub.c
index 0c83e6afe7b..7ad489af956 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -14,6 +14,7 @@
 #include <linux/interrupt.h>
 #include <linux/bitops.h>
 #include <linux/slab.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/cpu.h>
 #include <linux/cpuset.h>
@@ -4417,14 +4418,6 @@ __initcall(slab_sysfs_init);
  * The /proc/slabinfo ABI
  */
 #ifdef CONFIG_SLABINFO
-
-ssize_t slabinfo_write(struct file *file, const char __user *buffer,
-		       size_t count, loff_t *ppos)
-{
-	return -EINVAL;
-}
-
-
 static void print_slabinfo_header(struct seq_file *m)
 {
 	seq_puts(m, "slabinfo - version: 2.1\n");
@@ -4492,11 +4485,29 @@ static int s_show(struct seq_file *m, void *p)
 	return 0;
 }
 
-const struct seq_operations slabinfo_op = {
+static const struct seq_operations slabinfo_op = {
 	.start = s_start,
 	.next = s_next,
 	.stop = s_stop,
 	.show = s_show,
 };
 
+static int slabinfo_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &slabinfo_op);
+}
+
+static const struct file_operations proc_slabinfo_operations = {
+	.open		= slabinfo_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init slab_proc_init(void)
+{
+	proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
+	return 0;
+}
+module_init(slab_proc_init);
 #endif /* CONFIG_SLABINFO */
-- 
GitLab


From 5f6a6a9c4e4d790aae55cb412a7643329057c5e0 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 03:50:47 +0400
Subject: [PATCH 2144/2224] proc: move /proc/vmallocinfo to mm/vmalloc.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
---
 fs/proc/proc_misc.c     | 28 ----------------------------
 include/linux/vmalloc.h |  2 --
 mm/vmalloc.c            | 33 ++++++++++++++++++++++++++++++++-
 3 files changed, 32 insertions(+), 31 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 1d6d5c5cc2a..fd41a032456 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -132,31 +132,6 @@ static const struct file_operations proc_modules_operations = {
 };
 #endif
 
-#ifdef CONFIG_MMU
-static int vmalloc_open(struct inode *inode, struct file *file)
-{
-	unsigned int *ptr = NULL;
-	int ret;
-
-	if (NUMA_BUILD)
-		ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
-	ret = seq_open(file, &vmalloc_op);
-	if (!ret) {
-		struct seq_file *m = file->private_data;
-		m->private = ptr;
-	} else
-		kfree(ptr);
-	return ret;
-}
-
-static const struct file_operations proc_vmalloc_operations = {
-	.open		= vmalloc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release_private,
-};
-#endif
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -295,9 +270,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_MMU
-	proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
-#endif
 	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
 	proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
 	proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 4c28c4d564e..307b88577ea 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -103,6 +103,4 @@ extern void free_vm_area(struct vm_struct *area);
 extern rwlock_t vmlist_lock;
 extern struct vm_struct *vmlist;
 
-extern const struct seq_operations vmalloc_op;
-
 #endif /* _LINUX_VMALLOC_H */
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 65ae576030d..036536945dd 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/debugobjects.h>
 #include <linux/kallsyms.h>
@@ -1718,11 +1719,41 @@ static int s_show(struct seq_file *m, void *p)
 	return 0;
 }
 
-const struct seq_operations vmalloc_op = {
+static const struct seq_operations vmalloc_op = {
 	.start = s_start,
 	.next = s_next,
 	.stop = s_stop,
 	.show = s_show,
 };
+
+static int vmalloc_open(struct inode *inode, struct file *file)
+{
+	unsigned int *ptr = NULL;
+	int ret;
+
+	if (NUMA_BUILD)
+		ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
+	ret = seq_open(file, &vmalloc_op);
+	if (!ret) {
+		struct seq_file *m = file->private_data;
+		m->private = ptr;
+	} else
+		kfree(ptr);
+	return ret;
+}
+
+static const struct file_operations proc_vmalloc_operations = {
+	.open		= vmalloc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release_private,
+};
+
+static int __init proc_vmalloc_init(void)
+{
+	proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
+	return 0;
+}
+module_init(proc_vmalloc_init);
 #endif
 
-- 
GitLab


From 884afaab44c9f92eb618ce53b3d2b5316f174a39 Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nico@cam.org>
Date: Thu, 23 Oct 2008 04:34:08 +0100
Subject: [PATCH 2145/2224] [ARM] 5320/1: fix assembly constraints in
 implementation of do_div()

Those inline assembly segments using the umlal instruction must have
the & modifier so to be sure that a purely input register won't alias
one of the registers used as input+output.  In most cases, the inputs
are still used after the outputs are touched, and most binutil versions
insist on "rdhi, rdlo and rm must all be different" even for ARMv6+.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/include/asm/div64.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/include/asm/div64.h b/arch/arm/include/asm/div64.h
index 5001390be95..d3f0a9eee9f 100644
--- a/arch/arm/include/asm/div64.h
+++ b/arch/arm/include/asm/div64.h
@@ -165,7 +165,7 @@
 			__res = __m;					\
 			asm (	"umlal	%Q0, %R0, %Q1, %Q2\n\t"		\
 				"mov	%Q0, #0"			\
-				: "+r" (__res)				\
+				: "+&r" (__res)				\
 				: "r" (__m), "r" (__n)			\
 				: "cc" );				\
 		} else {						\
@@ -182,7 +182,7 @@
 				"umlal	%R0, %Q0, %Q1, %R2\n\t"		\
 				"mov	%R0, #0\n\t"			\
 				"umlal	%Q0, %R0, %R1, %R2"		\
-				: "+r" (__res)				\
+				: "+&r" (__res)				\
 				: "r" (__m), "r" (__n)			\
 				: "cc" );				\
 		} else {						\
@@ -192,7 +192,7 @@
 				"adds	%Q0, %1, %Q0\n\t"		\
 				"adc	%R0, %R0, #0\n\t"		\
 				"umlal	%Q0, %R0, %R2, %R3"		\
-				: "+r" (__res), "+r" (__z)		\
+				: "+&r" (__res), "+&r" (__z)		\
 				: "r" (__m), "r" (__n)			\
 				: "cc" );				\
 		}							\
-- 
GitLab


From 8f32f7e5ac2ed11b0659b6b55af926f3d58ffd9d Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 04:13:52 +0400
Subject: [PATCH 2146/2224] proc: move /proc/buddyinfo boilerplate to
 mm/vmstat.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_misc.c    | 14 --------------
 include/linux/vmstat.h |  1 -
 mm/vmstat.c            | 25 +++++++++++++++++++++----
 3 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index fd41a032456..a35e50659b8 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,19 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-static int fragmentation_open(struct inode *inode, struct file *file)
-{
-	(void)inode;
-	return seq_open(file, &fragmentation_op);
-}
-
-static const struct file_operations fragmentation_file_operations = {
-	.open		= fragmentation_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 static int pagetypeinfo_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &pagetypeinfo_op);
@@ -270,7 +257,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
 	proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
 	proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
 	proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 9cd3ab0f554..d4551f20640 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -54,7 +54,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		NR_VM_EVENT_ITEMS
 };
 
-extern const struct seq_operations fragmentation_op;
 extern const struct seq_operations pagetypeinfo_op;
 extern const struct seq_operations zoneinfo_op;
 extern const struct seq_operations vmstat_op;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 9343227c5c6..f45d7245a28 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -8,7 +8,7 @@
  *  Copyright (C) 2006 Silicon Graphics, Inc.,
  *		Christoph Lameter <christoph@lameter.com>
  */
-
+#include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/err.h>
 #include <linux/module.h>
@@ -384,7 +384,7 @@ void zone_statistics(struct zone *preferred_zone, struct zone *z)
 #endif
 
 #ifdef CONFIG_PROC_FS
-
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 static char * const migratetype_names[MIGRATE_TYPES] = {
@@ -581,13 +581,25 @@ static int pagetypeinfo_show(struct seq_file *m, void *arg)
 	return 0;
 }
 
-const struct seq_operations fragmentation_op = {
+static const struct seq_operations fragmentation_op = {
 	.start	= frag_start,
 	.next	= frag_next,
 	.stop	= frag_stop,
 	.show	= frag_show,
 };
 
+static int fragmentation_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &fragmentation_op);
+}
+
+static const struct file_operations fragmentation_file_operations = {
+	.open		= fragmentation_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 const struct seq_operations pagetypeinfo_op = {
 	.start	= frag_start,
 	.next	= frag_next,
@@ -898,9 +910,11 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
 
 static struct notifier_block __cpuinitdata vmstat_notifier =
 	{ &vmstat_cpuup_callback, NULL, 0 };
+#endif
 
 static int __init setup_vmstat(void)
 {
+#ifdef CONFIG_SMP
 	int cpu;
 
 	refresh_zone_stat_thresholds();
@@ -908,7 +922,10 @@ static int __init setup_vmstat(void)
 
 	for_each_online_cpu(cpu)
 		start_cpu_timer(cpu);
+#endif
+#ifdef CONFIG_PROC_FS
+	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
+#endif
 	return 0;
 }
 module_init(setup_vmstat)
-#endif
-- 
GitLab


From 74e2e8e8ce7b3c0f878a349f9fa6cf2831548eef Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 04:15:36 +0400
Subject: [PATCH 2147/2224] proc: move /proc/pagetypeinfo boilerplate to
 mm/vmstat.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_misc.c    | 13 -------------
 include/linux/vmstat.h |  1 -
 mm/vmstat.c            | 15 ++++++++++++++-
 3 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index a35e50659b8..900331a634e 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,18 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-static int pagetypeinfo_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &pagetypeinfo_op);
-}
-
-static const struct file_operations pagetypeinfo_file_ops = {
-	.open		= pagetypeinfo_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 static int zoneinfo_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &zoneinfo_op);
@@ -257,7 +245,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
 	proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
 	proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
 #ifdef CONFIG_BLOCK
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index d4551f20640..33ffd89a88a 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -54,7 +54,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		NR_VM_EVENT_ITEMS
 };
 
-extern const struct seq_operations pagetypeinfo_op;
 extern const struct seq_operations zoneinfo_op;
 extern const struct seq_operations vmstat_op;
 extern int sysctl_stat_interval;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index f45d7245a28..d624d251946 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -600,13 +600,25 @@ static const struct file_operations fragmentation_file_operations = {
 	.release	= seq_release,
 };
 
-const struct seq_operations pagetypeinfo_op = {
+static const struct seq_operations pagetypeinfo_op = {
 	.start	= frag_start,
 	.next	= frag_next,
 	.stop	= frag_stop,
 	.show	= pagetypeinfo_show,
 };
 
+static int pagetypeinfo_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &pagetypeinfo_op);
+}
+
+static const struct file_operations pagetypeinfo_file_ops = {
+	.open		= pagetypeinfo_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 #ifdef CONFIG_ZONE_DMA
 #define TEXT_FOR_DMA(xx) xx "_dma",
 #else
@@ -925,6 +937,7 @@ static int __init setup_vmstat(void)
 #endif
 #ifdef CONFIG_PROC_FS
 	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
+	proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
 #endif
 	return 0;
 }
-- 
GitLab


From b6aa44ab698c7df9d951d3eb45c4fcb8ba68fb25 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 04:17:48 +0400
Subject: [PATCH 2148/2224] proc: move /proc/vmstat boilerplate to mm/vmstat.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
---
 fs/proc/proc_misc.c    | 12 ------------
 include/linux/vmstat.h |  1 -
 mm/vmstat.c            | 14 +++++++++++++-
 3 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 900331a634e..e7a301d5d43 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -69,17 +69,6 @@ static const struct file_operations proc_zoneinfo_file_operations = {
 	.release	= seq_release,
 };
 
-static int vmstat_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &vmstat_op);
-}
-static const struct file_operations proc_vmstat_file_operations = {
-	.open		= vmstat_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 #ifdef CONFIG_BLOCK
 static int diskstats_open(struct inode *inode, struct file *file)
 {
@@ -245,7 +234,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
 	proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
 #ifdef CONFIG_BLOCK
 	proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 33ffd89a88a..7b68c4c1e19 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -55,7 +55,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 };
 
 extern const struct seq_operations zoneinfo_op;
-extern const struct seq_operations vmstat_op;
 extern int sysctl_stat_interval;
 
 #ifdef CONFIG_VM_EVENT_COUNTERS
diff --git a/mm/vmstat.c b/mm/vmstat.c
index d624d251946..7e1854b8186 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -858,13 +858,24 @@ static void vmstat_stop(struct seq_file *m, void *arg)
 	m->private = NULL;
 }
 
-const struct seq_operations vmstat_op = {
+static const struct seq_operations vmstat_op = {
 	.start	= vmstat_start,
 	.next	= vmstat_next,
 	.stop	= vmstat_stop,
 	.show	= vmstat_show,
 };
 
+static int vmstat_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &vmstat_op);
+}
+
+static const struct file_operations proc_vmstat_file_operations = {
+	.open		= vmstat_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
 #endif /* CONFIG_PROC_FS */
 
 #ifdef CONFIG_SMP
@@ -938,6 +949,7 @@ static int __init setup_vmstat(void)
 #ifdef CONFIG_PROC_FS
 	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
 	proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
+	proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
 #endif
 	return 0;
 }
-- 
GitLab


From 6090065663ba5daab82d116d3040dc924e8cf79f Mon Sep 17 00:00:00 2001
From: Alex Raimondi <mailinglist@miromico.ch>
Date: Mon, 13 Oct 2008 16:03:45 +0200
Subject: [PATCH 2149/2224] avr32: Fix bug in LCD pin setup on port C

Bug was introduced with the new at32_select_periph function.

Signed-off-by: Alex Raimondi <mailinglist@miromico.ch>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/mach-at32ap/at32ap700x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 813b6844cdf..8c435a6f4a6 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -1470,7 +1470,7 @@ at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
 			pin_mask = ATMEL_LCDC_PRI_24BIT | ATMEL_LCDC_PRI_CONTROL;
 
 		/* LCDC on port C */
-		portc_mask = (pin_mask & 0xfff80000) >> 19;
+		portc_mask = pin_mask & 0xfff80000;
 		select_peripheral(PIOC, portc_mask, PERIPH_A, 0);
 
 		/* LCDC on port D */
-- 
GitLab


From e3f91ca48162c3eb70450314a4d09384fccb92fa Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Date: Thu, 23 Oct 2008 11:23:08 +0200
Subject: [PATCH 2150/2224] avr32: Scale loops_per_jiffy when cpu frequency
 changes

The loops_per_jiffy variable isn't updated when cpufreq changes the CPU
frequency. This could cause udelay() and friends to produce wrong
delays.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/mach-at32ap/cpufreq.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
index d84efe4984a..024c586e936 100644
--- a/arch/avr32/mach-at32ap/cpufreq.c
+++ b/arch/avr32/mach-at32ap/cpufreq.c
@@ -40,6 +40,9 @@ static unsigned int at32_get_speed(unsigned int cpu)
 	return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
 }
 
+static unsigned int	ref_freq;
+static unsigned long	loops_per_jiffy_ref;
+
 static int at32_set_target(struct cpufreq_policy *policy,
 			  unsigned int target_freq,
 			  unsigned int relation)
@@ -61,8 +64,19 @@ static int at32_set_target(struct cpufreq_policy *policy,
 	freqs.cpu = 0;
 	freqs.flags = 0;
 
+	if (!ref_freq) {
+		ref_freq = freqs.old;
+		loops_per_jiffy_ref = boot_cpu_data.loops_per_jiffy;
+	}
+
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+	if (freqs.old < freqs.new)
+		boot_cpu_data.loops_per_jiffy = cpufreq_scale(
+				loops_per_jiffy_ref, ref_freq, freqs.new);
 	clk_set_rate(cpuclk, freq);
+	if (freqs.new < freqs.old)
+		boot_cpu_data.loops_per_jiffy = cpufreq_scale(
+				loops_per_jiffy_ref, ref_freq, freqs.new);
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 
 	pr_debug("cpufreq: set frequency %lu Hz\n", freq);
-- 
GitLab


From e82c6106b04b85879d802bbbeaed30d9b10a92e2 Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Date: Thu, 23 Oct 2008 14:42:19 +0200
Subject: [PATCH 2151/2224] avr32: Fix GPIO initcall breakage

Add essential system devices, including GPIO controllers, automatically
at core_initcall time. This ensures that the devices are there when the
PIO driver gets initialized at postcore_initcall, fixing a bug exposed
by commit d6634db8fe1784d0a8e4e156970fec034708446e "avr32: Use
platform_driver_probe for pio platform driver".

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
---
 arch/avr32/boards/atngw100/setup.c          |  2 --
 arch/avr32/boards/atstk1000/atstk1002.c     |  2 --
 arch/avr32/boards/atstk1000/atstk1003.c     |  2 --
 arch/avr32/boards/atstk1000/atstk1004.c     |  2 --
 arch/avr32/mach-at32ap/at32ap700x.c         |  5 ++++-
 arch/avr32/mach-at32ap/include/mach/board.h | 10 ++++++++--
 6 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index 6c54580a66d..259ceee02b6 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -172,8 +172,6 @@ static int __init atngw100_init(void)
 	 * reserve any pins for it.
 	 */
 
-	at32_add_system_devices();
-
 	at32_add_device_usart(0);
 
 	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index 29e5b51a7fd..5c5cdf3b464 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -305,8 +305,6 @@ static int __init atstk1002_init(void)
 	at32_reserve_pin(GPIO_PIN_PE(15));	/* DATA[31]	*/
 	at32_reserve_pin(GPIO_PIN_PE(26));	/* SDCS		*/
 
-	at32_add_system_devices();
-
 #ifdef CONFIG_BOARD_ATSTK1006
 	smc_set_timing(&nand_config, &nand_timing);
 	smc_set_configuration(3, &nand_config);
diff --git a/arch/avr32/boards/atstk1000/atstk1003.c b/arch/avr32/boards/atstk1000/atstk1003.c
index be089d7f37e..134b566630b 100644
--- a/arch/avr32/boards/atstk1000/atstk1003.c
+++ b/arch/avr32/boards/atstk1000/atstk1003.c
@@ -149,8 +149,6 @@ static int __init atstk1003_init(void)
 	at32_reserve_pin(GPIO_PIN_PE(15));	/* DATA[31]	*/
 	at32_reserve_pin(GPIO_PIN_PE(26));	/* SDCS		*/
 
-	at32_add_system_devices();
-
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
 	at32_add_device_usart(1);
 #else
diff --git a/arch/avr32/boards/atstk1000/atstk1004.c b/arch/avr32/boards/atstk1000/atstk1004.c
index 248ef237c16..cb32eb844aa 100644
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ b/arch/avr32/boards/atstk1000/atstk1004.c
@@ -132,8 +132,6 @@ void __init setup_board(void)
 
 static int __init atstk1004_init(void)
 {
-	at32_add_system_devices();
-
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
 	at32_add_device_usart(1);
 #else
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 8c435a6f4a6..748ac68c73d 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -813,7 +813,7 @@ static struct resource pio4_resource[] = {
 DEFINE_DEV(pio, 4);
 DEV_CLK(mck, pio4, pba, 14);
 
-void __init at32_add_system_devices(void)
+static int __init system_device_init(void)
 {
 	platform_device_register(&at32_pm0_device);
 	platform_device_register(&at32_intc0_device);
@@ -832,7 +832,10 @@ void __init at32_add_system_devices(void)
 	platform_device_register(&pio2_device);
 	platform_device_register(&pio3_device);
 	platform_device_register(&pio4_device);
+
+	return 0;
 }
+core_initcall(system_device_init);
 
 /* --------------------------------------------------------------------
  *  PSIF
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index c48386d66bc..aafaf7a7888 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -14,8 +14,14 @@
  */
 extern unsigned long at32_board_osc_rates[];
   
-/* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
-void at32_add_system_devices(void);
+/*
+ * This used to add essential system devices, but this is now done
+ * automatically. Please don't use it in new board code.
+ */
+static inline void __deprecated at32_add_system_devices(void)
+{
+
+}
 
 #define ATMEL_MAX_UART	4
 extern struct platform_device *atmel_default_console_device;
-- 
GitLab


From 5c9fe6281b75832e8d2555ec8700ea763d9a865e Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 04:19:42 +0400
Subject: [PATCH 2152/2224] proc: move /proc/zoneinfo boilerplate to
 mm/vmstat.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
---
 fs/proc/proc_misc.c    | 13 -------------
 include/linux/vmstat.h |  1 -
 mm/vmstat.c            | 15 ++++++++++++++-
 3 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index e7a301d5d43..8f3a6f085c5 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,18 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-static int zoneinfo_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &zoneinfo_op);
-}
-
-static const struct file_operations proc_zoneinfo_file_operations = {
-	.open		= zoneinfo_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
 #ifdef CONFIG_BLOCK
 static int diskstats_open(struct inode *inode, struct file *file)
 {
@@ -234,7 +222,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-	proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
 #ifdef CONFIG_BLOCK
 	proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
 #endif
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 7b68c4c1e19..524cd1b28ec 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -54,7 +54,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		NR_VM_EVENT_ITEMS
 };
 
-extern const struct seq_operations zoneinfo_op;
 extern int sysctl_stat_interval;
 
 #ifdef CONFIG_VM_EVENT_COUNTERS
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 7e1854b8186..c3ccfda23ad 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -795,7 +795,7 @@ static int zoneinfo_show(struct seq_file *m, void *arg)
 	return 0;
 }
 
-const struct seq_operations zoneinfo_op = {
+static const struct seq_operations zoneinfo_op = {
 	.start	= frag_start, /* iterate over all zones. The same as in
 			       * fragmentation. */
 	.next	= frag_next,
@@ -803,6 +803,18 @@ const struct seq_operations zoneinfo_op = {
 	.show	= zoneinfo_show,
 };
 
+static int zoneinfo_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &zoneinfo_op);
+}
+
+static const struct file_operations proc_zoneinfo_file_operations = {
+	.open		= zoneinfo_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 static void *vmstat_start(struct seq_file *m, loff_t *pos)
 {
 	unsigned long *v;
@@ -950,6 +962,7 @@ static int __init setup_vmstat(void)
 	proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
 	proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
 	proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
+	proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
 #endif
 	return 0;
 }
-- 
GitLab


From 4b7d283150b35db6e5e10f72606f603ff424c92a Mon Sep 17 00:00:00 2001
From: Jarkko Nikula <jarkko.nikula@nokia.com>
Date: Thu, 23 Oct 2008 14:27:03 +0300
Subject: [PATCH 2153/2224] ALSA: ASoC: tlv320aic3x: Fix DSP DAI format and
 signal polarities matching

- Codec doesn't support to configure bit clock and frame sync polarities
- Codec doesn't support DSP_A format but DSP_B with inverted bit clock
  polarity
- Match also other formats with their signal polarities

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/soc/codecs/tlv320aic3x.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 05336ed7e49..cff276ee261 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -863,17 +863,21 @@ static int aic3x_set_dai_fmt(struct snd_soc_dai *codec_dai,
 		return -EINVAL;
 	}
 
-	/* interface format */
-	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-	case SND_SOC_DAIFMT_I2S:
+	/*
+	 * match both interface format and signal polarities since they
+	 * are fixed
+	 */
+	switch (fmt & (SND_SOC_DAIFMT_FORMAT_MASK |
+		       SND_SOC_DAIFMT_INV_MASK)) {
+	case (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF):
 		break;
-	case SND_SOC_DAIFMT_DSP_A:
+	case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF):
 		iface_breg |= (0x01 << 6);
 		break;
-	case SND_SOC_DAIFMT_RIGHT_J:
+	case (SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_NB_NF):
 		iface_breg |= (0x02 << 6);
 		break;
-	case SND_SOC_DAIFMT_LEFT_J:
+	case (SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF):
 		iface_breg |= (0x03 << 6);
 		break;
 	default:
-- 
GitLab


From 31d85ab28e71b0c938e0ef48af45747e80d99b53 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 12:55:38 +0400
Subject: [PATCH 2154/2224] proc: move /proc/diskstats boilerplate to
 block/genhd.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
---
 block/genhd.c         | 15 ++++++++++++++-
 fs/proc/proc_misc.c   | 16 ----------------
 include/linux/genhd.h |  2 --
 3 files changed, 14 insertions(+), 19 deletions(-)

diff --git a/block/genhd.c b/block/genhd.c
index 15f4d2b12c4..4e5e7493f67 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1005,15 +1005,28 @@ static int diskstats_show(struct seq_file *seqf, void *v)
 	return 0;
 }
 
-const struct seq_operations diskstats_op = {
+static const struct seq_operations diskstats_op = {
 	.start	= disk_seqf_start,
 	.next	= disk_seqf_next,
 	.stop	= disk_seqf_stop,
 	.show	= diskstats_show
 };
 
+static int diskstats_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &diskstats_op);
+}
+
+static const struct file_operations proc_diskstats_operations = {
+	.open		= diskstats_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 static int __init proc_genhd_init(void)
 {
+	proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
 	proc_create("partitions", 0, NULL, &proc_partitions_operations);
 	return 0;
 }
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 8f3a6f085c5..7c22831efd9 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,19 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-#ifdef CONFIG_BLOCK
-static int diskstats_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &diskstats_op);
-}
-static const struct file_operations proc_diskstats_operations = {
-	.open		= diskstats_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-#endif
-
 #ifdef CONFIG_MODULES
 extern const struct seq_operations modules_op;
 static int modules_open(struct inode *inode, struct file *file)
@@ -222,9 +209,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_BLOCK
-	proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
-#endif
 #ifdef CONFIG_MODULES
 	proc_create("modules", 0, NULL, &proc_modules_operations);
 #endif
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 074a4fdf436..e439e6aed83 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -25,8 +25,6 @@ extern struct device_type part_type;
 extern struct kobject *block_depr;
 extern struct class block_class;
 
-extern const struct seq_operations diskstats_op;
-
 enum {
 /* These three have identical behaviour; use the second one if DOS FDISK gets
    confused about extended/logical partitions starting past cylinder 1023. */
-- 
GitLab


From 3b5d5c6b0ccba733a313f8752ebc3f8015628ba3 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 13:19:27 +0400
Subject: [PATCH 2155/2224] proc: move /proc/modules boilerplate to
 kernel/module.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_misc.c | 17 -------------
 kernel/module.c     | 59 +++++++++++++++++++++++++++++++--------------
 2 files changed, 41 insertions(+), 35 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 7c22831efd9..f6d25db9892 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,20 +57,6 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-#ifdef CONFIG_MODULES
-extern const struct seq_operations modules_op;
-static int modules_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &modules_op);
-}
-static const struct file_operations proc_modules_operations = {
-	.open		= modules_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-#endif
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -209,9 +195,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_MODULES
-	proc_create("modules", 0, NULL, &proc_modules_operations);
-#endif
 #ifdef CONFIG_SCHEDSTATS
 	proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
 #endif
diff --git a/kernel/module.c b/kernel/module.c
index 0d8d21ee792..6fded84d702 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -20,11 +20,13 @@
 #include <linux/moduleloader.h>
 #include <linux/init.h>
 #include <linux/kallsyms.h>
+#include <linux/fs.h>
 #include <linux/sysfs.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/elf.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/syscalls.h>
 #include <linux/fcntl.h>
@@ -2599,23 +2601,6 @@ unsigned long module_kallsyms_lookup_name(const char *name)
 }
 #endif /* CONFIG_KALLSYMS */
 
-/* Called by the /proc file system to return a list of modules. */
-static void *m_start(struct seq_file *m, loff_t *pos)
-{
-	mutex_lock(&module_mutex);
-	return seq_list_start(&modules, *pos);
-}
-
-static void *m_next(struct seq_file *m, void *p, loff_t *pos)
-{
-	return seq_list_next(p, &modules, pos);
-}
-
-static void m_stop(struct seq_file *m, void *p)
-{
-	mutex_unlock(&module_mutex);
-}
-
 static char *module_flags(struct module *mod, char *buf)
 {
 	int bx = 0;
@@ -2649,6 +2634,24 @@ static char *module_flags(struct module *mod, char *buf)
 	return buf;
 }
 
+#ifdef CONFIG_PROC_FS
+/* Called by the /proc file system to return a list of modules. */
+static void *m_start(struct seq_file *m, loff_t *pos)
+{
+	mutex_lock(&module_mutex);
+	return seq_list_start(&modules, *pos);
+}
+
+static void *m_next(struct seq_file *m, void *p, loff_t *pos)
+{
+	return seq_list_next(p, &modules, pos);
+}
+
+static void m_stop(struct seq_file *m, void *p)
+{
+	mutex_unlock(&module_mutex);
+}
+
 static int m_show(struct seq_file *m, void *p)
 {
 	struct module *mod = list_entry(p, struct module, list);
@@ -2679,13 +2682,33 @@ static int m_show(struct seq_file *m, void *p)
    Where refcount is a number or -, and deps is a comma-separated list
    of depends or -.
 */
-const struct seq_operations modules_op = {
+static const struct seq_operations modules_op = {
 	.start	= m_start,
 	.next	= m_next,
 	.stop	= m_stop,
 	.show	= m_show
 };
 
+static int modules_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &modules_op);
+}
+
+static const struct file_operations proc_modules_operations = {
+	.open		= modules_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init proc_modules_init(void)
+{
+	proc_create("modules", 0, NULL, &proc_modules_operations);
+	return 0;
+}
+module_init(proc_modules_init);
+#endif
+
 /* Given an address, look for it in the module exception tables. */
 const struct exception_table_entry *search_module_extables(unsigned long addr)
 {
-- 
GitLab


From b5aadf7f14c1acc94956aa257e018e9de3881f41 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 13:23:43 +0400
Subject: [PATCH 2156/2224] proc: move /proc/schedstat boilerplate to
 kernel/sched_stats.h

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_misc.c   | 3 ---
 include/linux/sched.h | 4 ----
 kernel/sched.c        | 1 +
 kernel/sched_stats.h  | 9 ++++++++-
 4 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index f6d25db9892..4a768ed5da2 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -195,9 +195,6 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_SCHEDSTATS
-	proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
-#endif
 #ifdef CONFIG_PROC_KCORE
 	proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
 	if (proc_root_kcore)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5c38db536e0..7f60cb9b53c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -681,10 +681,6 @@ struct sched_info {
 };
 #endif /* defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) */
 
-#ifdef CONFIG_SCHEDSTATS
-extern const struct file_operations proc_schedstat_operations;
-#endif /* CONFIG_SCHEDSTATS */
-
 #ifdef CONFIG_TASK_DELAY_ACCT
 struct task_delay_info {
 	spinlock_t	lock;
diff --git a/kernel/sched.c b/kernel/sched.c
index d906f72b42d..5a70189d505 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -55,6 +55,7 @@
 #include <linux/cpuset.h>
 #include <linux/percpu.h>
 #include <linux/kthread.h>
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/sysctl.h>
 #include <linux/syscalls.h>
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index b8c156979cf..3d14ce27390 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -90,13 +90,20 @@ static int schedstat_open(struct inode *inode, struct file *file)
 	return res;
 }
 
-const struct file_operations proc_schedstat_operations = {
+static const struct file_operations proc_schedstat_operations = {
 	.open    = schedstat_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
 	.release = single_release,
 };
 
+static int __init proc_schedstat_init(void)
+{
+	proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
+	return 0;
+}
+module_init(proc_schedstat_init);
+
 /*
  * Expects runqueue lock to be held for atomicity of update
  */
-- 
GitLab


From 97ce5d6dcb07c403c0fc6001b755aacc38b5d7ff Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 14:14:19 +0400
Subject: [PATCH 2157/2224] proc: move all /proc/kcore stuff to fs/proc/kcore.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/kcore.c         | 14 +++++++++++++-
 fs/proc/proc_misc.c     |  8 --------
 include/linux/proc_fs.h |  4 ----
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index c2370c76fb7..59b43a06887 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -27,6 +27,8 @@
 #define ELF_CORE_EFLAGS	0
 #endif
 
+static struct proc_dir_entry *proc_root_kcore;
+
 static int open_kcore(struct inode * inode, struct file * filp)
 {
 	return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
@@ -34,7 +36,7 @@ static int open_kcore(struct inode * inode, struct file * filp)
 
 static ssize_t read_kcore(struct file *, char __user *, size_t, loff_t *);
 
-const struct file_operations proc_kcore_operations = {
+static const struct file_operations proc_kcore_operations = {
 	.read		= read_kcore,
 	.open		= open_kcore,
 };
@@ -399,3 +401,13 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
 
 	return acc;
 }
+
+static int __init proc_kcore_init(void)
+{
+	proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
+	if (proc_root_kcore)
+		proc_root_kcore->size =
+				(size_t)high_memory - PAGE_OFFSET + PAGE_SIZE;
+	return 0;
+}
+module_init(proc_kcore_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 4a768ed5da2..5ed15ff8fd1 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -188,19 +188,11 @@ static struct file_operations proc_kpageflags_operations = {
 };
 #endif /* CONFIG_PROC_PAGE_MONITOR */
 
-struct proc_dir_entry *proc_root_kcore;
-
 void __init proc_misc_init(void)
 {
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_PROC_KCORE
-	proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
-	if (proc_root_kcore)
-		proc_root_kcore->size =
-				(size_t)high_memory - PAGE_OFFSET + PAGE_SIZE;
-#endif
 #ifdef CONFIG_PROC_PAGE_MONITOR
 	proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
 	proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 27d534f4470..9d830890505 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -97,8 +97,6 @@ struct vmcore {
 
 #ifdef CONFIG_PROC_FS
 
-extern struct proc_dir_entry *proc_root_kcore;
-
 extern spinlock_t proc_subdir_lock;
 
 extern void proc_root_init(void);
@@ -138,8 +136,6 @@ extern struct inode *proc_get_inode(struct super_block *, unsigned int, struct p
 extern int proc_readdir(struct file *, void *, filldir_t);
 extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *);
 
-extern const struct file_operations proc_kcore_operations;
-
 extern int pid_ns_prepare_proc(struct pid_namespace *ns);
 extern void pid_ns_release_proc(struct pid_namespace *ns);
 
-- 
GitLab


From 6d80e53f0056178c63fa8fbf3e8de40fb4df5f50 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 14:26:12 +0400
Subject: [PATCH 2158/2224] proc: move pagecount stuff to fs/proc/page.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile    |   1 +
 fs/proc/page.c      | 147 ++++++++++++++++++++++++++++++++++++++++++++
 fs/proc/proc_misc.c | 135 ----------------------------------------
 3 files changed, 148 insertions(+), 135 deletions(-)
 create mode 100644 fs/proc/page.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index b921f4475c9..fef524410e8 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -24,3 +24,4 @@ proc-$(CONFIG_PROC_KCORE)	+= kcore.o
 proc-$(CONFIG_PROC_VMCORE)	+= vmcore.o
 proc-$(CONFIG_PROC_DEVICETREE)	+= proc_devtree.o
 proc-$(CONFIG_PRINTK)	+= kmsg.o
+proc-$(CONFIG_PROC_PAGE_MONITOR)	+= page.o
diff --git a/fs/proc/page.c b/fs/proc/page.c
new file mode 100644
index 00000000000..767d95a6d1b
--- /dev/null
+++ b/fs/proc/page.c
@@ -0,0 +1,147 @@
+#include <linux/bootmem.h>
+#include <linux/compiler.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/mmzone.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <asm/uaccess.h>
+#include "internal.h"
+
+#define KPMSIZE sizeof(u64)
+#define KPMMASK (KPMSIZE - 1)
+/* /proc/kpagecount - an array exposing page counts
+ *
+ * Each entry is a u64 representing the corresponding
+ * physical page count.
+ */
+static ssize_t kpagecount_read(struct file *file, char __user *buf,
+			     size_t count, loff_t *ppos)
+{
+	u64 __user *out = (u64 __user *)buf;
+	struct page *ppage;
+	unsigned long src = *ppos;
+	unsigned long pfn;
+	ssize_t ret = 0;
+	u64 pcount;
+
+	pfn = src / KPMSIZE;
+	count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
+	if (src & KPMMASK || count & KPMMASK)
+		return -EINVAL;
+
+	while (count > 0) {
+		ppage = NULL;
+		if (pfn_valid(pfn))
+			ppage = pfn_to_page(pfn);
+		pfn++;
+		if (!ppage)
+			pcount = 0;
+		else
+			pcount = page_mapcount(ppage);
+
+		if (put_user(pcount, out++)) {
+			ret = -EFAULT;
+			break;
+		}
+
+		count -= KPMSIZE;
+	}
+
+	*ppos += (char __user *)out - buf;
+	if (!ret)
+		ret = (char __user *)out - buf;
+	return ret;
+}
+
+static const struct file_operations proc_kpagecount_operations = {
+	.llseek = mem_lseek,
+	.read = kpagecount_read,
+};
+
+/* /proc/kpageflags - an array exposing page flags
+ *
+ * Each entry is a u64 representing the corresponding
+ * physical page flags.
+ */
+
+/* These macros are used to decouple internal flags from exported ones */
+
+#define KPF_LOCKED     0
+#define KPF_ERROR      1
+#define KPF_REFERENCED 2
+#define KPF_UPTODATE   3
+#define KPF_DIRTY      4
+#define KPF_LRU        5
+#define KPF_ACTIVE     6
+#define KPF_SLAB       7
+#define KPF_WRITEBACK  8
+#define KPF_RECLAIM    9
+#define KPF_BUDDY     10
+
+#define kpf_copy_bit(flags, srcpos, dstpos) (((flags >> srcpos) & 1) << dstpos)
+
+static ssize_t kpageflags_read(struct file *file, char __user *buf,
+			     size_t count, loff_t *ppos)
+{
+	u64 __user *out = (u64 __user *)buf;
+	struct page *ppage;
+	unsigned long src = *ppos;
+	unsigned long pfn;
+	ssize_t ret = 0;
+	u64 kflags, uflags;
+
+	pfn = src / KPMSIZE;
+	count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
+	if (src & KPMMASK || count & KPMMASK)
+		return -EINVAL;
+
+	while (count > 0) {
+		ppage = NULL;
+		if (pfn_valid(pfn))
+			ppage = pfn_to_page(pfn);
+		pfn++;
+		if (!ppage)
+			kflags = 0;
+		else
+			kflags = ppage->flags;
+
+		uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
+			kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
+			kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
+			kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |
+			kpf_copy_bit(kflags, KPF_DIRTY, PG_dirty) |
+			kpf_copy_bit(kflags, KPF_LRU, PG_lru) |
+			kpf_copy_bit(kflags, KPF_ACTIVE, PG_active) |
+			kpf_copy_bit(kflags, KPF_SLAB, PG_slab) |
+			kpf_copy_bit(kflags, KPF_WRITEBACK, PG_writeback) |
+			kpf_copy_bit(kflags, KPF_RECLAIM, PG_reclaim) |
+			kpf_copy_bit(kflags, KPF_BUDDY, PG_buddy);
+
+		if (put_user(uflags, out++)) {
+			ret = -EFAULT;
+			break;
+		}
+
+		count -= KPMSIZE;
+	}
+
+	*ppos += (char __user *)out - buf;
+	if (!ret)
+		ret = (char __user *)out - buf;
+	return ret;
+}
+
+static const struct file_operations proc_kpageflags_operations = {
+	.llseek = mem_lseek,
+	.read = kpageflags_read,
+};
+
+static int __init proc_page_init(void)
+{
+	proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
+	proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
+	return 0;
+}
+module_init(proc_page_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 5ed15ff8fd1..2ef9ef9bc8c 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -57,146 +57,11 @@
 #include <asm/div64.h>
 #include "internal.h"
 
-#ifdef CONFIG_PROC_PAGE_MONITOR
-#define KPMSIZE sizeof(u64)
-#define KPMMASK (KPMSIZE - 1)
-/* /proc/kpagecount - an array exposing page counts
- *
- * Each entry is a u64 representing the corresponding
- * physical page count.
- */
-static ssize_t kpagecount_read(struct file *file, char __user *buf,
-			     size_t count, loff_t *ppos)
-{
-	u64 __user *out = (u64 __user *)buf;
-	struct page *ppage;
-	unsigned long src = *ppos;
-	unsigned long pfn;
-	ssize_t ret = 0;
-	u64 pcount;
-
-	pfn = src / KPMSIZE;
-	count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
-	if (src & KPMMASK || count & KPMMASK)
-		return -EINVAL;
-
-	while (count > 0) {
-		ppage = NULL;
-		if (pfn_valid(pfn))
-			ppage = pfn_to_page(pfn);
-		pfn++;
-		if (!ppage)
-			pcount = 0;
-		else
-			pcount = page_mapcount(ppage);
-
-		if (put_user(pcount, out++)) {
-			ret = -EFAULT;
-			break;
-		}
-
-		count -= KPMSIZE;
-	}
-
-	*ppos += (char __user *)out - buf;
-	if (!ret)
-		ret = (char __user *)out - buf;
-	return ret;
-}
-
-static struct file_operations proc_kpagecount_operations = {
-	.llseek = mem_lseek,
-	.read = kpagecount_read,
-};
-
-/* /proc/kpageflags - an array exposing page flags
- *
- * Each entry is a u64 representing the corresponding
- * physical page flags.
- */
-
-/* These macros are used to decouple internal flags from exported ones */
-
-#define KPF_LOCKED     0
-#define KPF_ERROR      1
-#define KPF_REFERENCED 2
-#define KPF_UPTODATE   3
-#define KPF_DIRTY      4
-#define KPF_LRU        5
-#define KPF_ACTIVE     6
-#define KPF_SLAB       7
-#define KPF_WRITEBACK  8
-#define KPF_RECLAIM    9
-#define KPF_BUDDY     10
-
-#define kpf_copy_bit(flags, srcpos, dstpos) (((flags >> srcpos) & 1) << dstpos)
-
-static ssize_t kpageflags_read(struct file *file, char __user *buf,
-			     size_t count, loff_t *ppos)
-{
-	u64 __user *out = (u64 __user *)buf;
-	struct page *ppage;
-	unsigned long src = *ppos;
-	unsigned long pfn;
-	ssize_t ret = 0;
-	u64 kflags, uflags;
-
-	pfn = src / KPMSIZE;
-	count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
-	if (src & KPMMASK || count & KPMMASK)
-		return -EINVAL;
-
-	while (count > 0) {
-		ppage = NULL;
-		if (pfn_valid(pfn))
-			ppage = pfn_to_page(pfn);
-		pfn++;
-		if (!ppage)
-			kflags = 0;
-		else
-			kflags = ppage->flags;
-
-		uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
-			kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
-			kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
-			kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |
-			kpf_copy_bit(kflags, KPF_DIRTY, PG_dirty) |
-			kpf_copy_bit(kflags, KPF_LRU, PG_lru) |
-			kpf_copy_bit(kflags, KPF_ACTIVE, PG_active) |
-			kpf_copy_bit(kflags, KPF_SLAB, PG_slab) |
-			kpf_copy_bit(kflags, KPF_WRITEBACK, PG_writeback) |
-			kpf_copy_bit(kflags, KPF_RECLAIM, PG_reclaim) |
-			kpf_copy_bit(kflags, KPF_BUDDY, PG_buddy);
-
-		if (put_user(uflags, out++)) {
-			ret = -EFAULT;
-			break;
-		}
-
-		count -= KPMSIZE;
-	}
-
-	*ppos += (char __user *)out - buf;
-	if (!ret)
-		ret = (char __user *)out - buf;
-	return ret;
-}
-
-static struct file_operations proc_kpageflags_operations = {
-	.llseek = mem_lseek,
-	.read = kpageflags_read,
-};
-#endif /* CONFIG_PROC_PAGE_MONITOR */
-
 void __init proc_misc_init(void)
 {
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_PROC_PAGE_MONITOR
-	proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
-	proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
-#endif
 #ifdef CONFIG_PROC_VMCORE
 	proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
 #endif
-- 
GitLab


From 5aa140c2deca3701238d5acddf436ad7b02664c7 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 14:36:31 +0400
Subject: [PATCH 2159/2224] proc: move /proc/vmcore creation to
 fs/proc/vmcore.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/proc_misc.c        | 3 ---
 fs/proc/vmcore.c           | 6 +++---
 include/linux/crash_dump.h | 2 --
 3 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 2ef9ef9bc8c..e2db35006c0 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -62,7 +62,4 @@ void __init proc_misc_init(void)
 	proc_symlink("mounts", NULL, "self/mounts");
 
 	/* And now for trickier ones */
-#ifdef CONFIG_PROC_VMCORE
-	proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
-#endif
 }
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index cd9ca67f841..03ec5950490 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -32,7 +32,7 @@ static size_t elfcorebuf_sz;
 /* Total size of vmcore file. */
 static u64 vmcore_size;
 
-struct proc_dir_entry *proc_vmcore = NULL;
+static struct proc_dir_entry *proc_vmcore = NULL;
 
 /* Reads a page from the oldmem device from given offset. */
 static ssize_t read_from_oldmem(char *buf, size_t count,
@@ -162,7 +162,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
 	return acc;
 }
 
-const struct file_operations proc_vmcore_operations = {
+static const struct file_operations proc_vmcore_operations = {
 	.read		= read_vmcore,
 };
 
@@ -652,7 +652,7 @@ static int __init vmcore_init(void)
 		return rc;
 	}
 
-	/* Initialize /proc/vmcore size if proc is already up. */
+	proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
 	if (proc_vmcore)
 		proc_vmcore->size = vmcore_size;
 	return 0;
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 0acf3b737e2..2dac064d835 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -14,8 +14,6 @@ extern unsigned long long elfcorehdr_addr;
 
 extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
 						unsigned long, int);
-extern const struct file_operations proc_vmcore_operations;
-extern struct proc_dir_entry *proc_vmcore;
 
 /* Architecture code defines this if there are other possible ELF
  * machine types, e.g. on bi-arch capable hardware. */
-- 
GitLab


From 59c7572e82d69483a66eaa67b46548baeb69ecf4 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 6 Oct 2008 14:49:39 +0400
Subject: [PATCH 2160/2224] proc: remove fs/proc/proc_misc.c

Now that everything was moved to their more or less expected places,
apply rm(1).

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
 fs/proc/Makefile        |  2 +-
 fs/proc/proc_misc.c     | 65 -----------------------------------------
 fs/proc/root.c          |  2 +-
 include/linux/proc_fs.h |  1 -
 4 files changed, 2 insertions(+), 68 deletions(-)
 delete mode 100644 fs/proc/proc_misc.c

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index fef524410e8..63d965193b2 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -8,7 +8,7 @@ proc-y			:= nommu.o task_nommu.o
 proc-$(CONFIG_MMU)	:= mmu.o task_mmu.o
 
 proc-y       += inode.o root.o base.o generic.o array.o \
-		proc_tty.o proc_misc.o
+		proc_tty.o
 proc-y	+= cmdline.o
 proc-y	+= cpuinfo.o
 proc-y	+= devices.o
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
deleted file mode 100644
index e2db35006c0..00000000000
--- a/fs/proc/proc_misc.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- *  linux/fs/proc/proc_misc.c
- *
- *  linux/fs/proc/array.c
- *  Copyright (C) 1992  by Linus Torvalds
- *  based on ideas by Darren Senn
- *
- *  This used to be the part of array.c. See the rest of history and credits
- *  there. I took this into a separate file and switched the thing to generic
- *  proc_file_inode_operations, leaving in array.c only per-process stuff.
- *  Inumbers allocation made dynamic (via create_proc_entry()).  AV, May 1999.
- *
- * Changes:
- * Fulton Green      :  Encapsulated position metric calculations.
- *			<kernel@FultonGreen.com>
- */
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/time.h>
-#include <linux/kernel.h>
-#include <linux/kernel_stat.h>
-#include <linux/fs.h>
-#include <linux/tty.h>
-#include <linux/string.h>
-#include <linux/mman.h>
-#include <linux/quicklist.h>
-#include <linux/proc_fs.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/mmzone.h>
-#include <linux/pagemap.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/genhd.h>
-#include <linux/smp.h>
-#include <linux/signal.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/times.h>
-#include <linux/profile.h>
-#include <linux/utsname.h>
-#include <linux/blkdev.h>
-#include <linux/hugetlb.h>
-#include <linux/jiffies.h>
-#include <linux/vmalloc.h>
-#include <linux/crash_dump.h>
-#include <linux/pid_namespace.h>
-#include <linux/bootmem.h>
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/io.h>
-#include <asm/tlb.h>
-#include <asm/div64.h>
-#include "internal.h"
-
-void __init proc_misc_init(void)
-{
-	proc_symlink("mounts", NULL, "self/mounts");
-
-	/* And now for trickier ones */
-}
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 2a3abd25b30..7761602af9d 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -117,7 +117,7 @@ void __init proc_root_init(void)
 		return;
 	}
 
-	proc_misc_init();
+	proc_symlink("mounts", NULL, "self/mounts");
 
 	proc_net_init();
 
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 9d830890505..b8bdb96eff7 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -100,7 +100,6 @@ struct vmcore {
 extern spinlock_t proc_subdir_lock;
 
 extern void proc_root_init(void);
-extern void proc_misc_init(void);
 
 void proc_flush_task(struct task_struct *task);
 struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *);
-- 
GitLab


From 4c8210427bd1b7efa1dabf93f4d2312f29908d8f Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 22 Oct 2008 14:14:58 -0700
Subject: [PATCH 2161/2224] mm: page_cgroup needs linux/vmalloc.h for
 vmalloc_node()/vfree().

mm/page_cgroup.c: In function 'init_section_page_cgroup':
mm/page_cgroup.c:111: error: implicit declaration of function 'vmalloc_node'
mm/page_cgroup.c:111: warning: assignment makes pointer from integer without a cast
mm/page_cgroup.c: In function '__free_page_cgroup':
mm/page_cgroup.c:140: error: implicit declaration of function 'vfree'

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/page_cgroup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 5d86550701f..78242b4d7ed 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -5,6 +5,7 @@
 #include <linux/page_cgroup.h>
 #include <linux/hash.h>
 #include <linux/memory.h>
+#include <linux/vmalloc.h>
 
 static void __meminit
 __init_page_cgroup(struct page_cgroup *pc, unsigned long pfn)
-- 
GitLab


From 66f50ee3cee4c9d98eea0add6f439e6e5e0ca4a5 Mon Sep 17 00:00:00 2001
From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 22 Oct 2008 14:14:59 -0700
Subject: [PATCH 2162/2224] profiling: fix up CONFIG_PROC_FS=n build

In the case where procfs is disabled, create_proc_profile() does not
exist. Stub it in with the others.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/profile.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/profile.h b/include/linux/profile.h
index 570045053ce..a0fc32279fc 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -19,10 +19,16 @@ struct notifier_block;
 
 #if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
 void create_prof_cpu_mask(struct proc_dir_entry *de);
+int create_proc_profile(void);
 #else
 static inline void create_prof_cpu_mask(struct proc_dir_entry *de)
 {
 }
+
+static inline int create_proc_profile(void)
+{
+	return 0;
+}
 #endif
 
 enum profile_type {
@@ -37,7 +43,6 @@ extern int prof_on __read_mostly;
 /* init basic kernel profiler */
 int profile_init(void);
 int profile_setup(char *str);
-int create_proc_profile(void);
 void profile_tick(int type);
 
 /*
-- 
GitLab


From 4afe978530702c934dfdb11f54073136818b2119 Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Wed, 22 Oct 2008 14:15:00 -0700
Subject: [PATCH 2163/2224] jbd: fix error handling for checkpoint io

When a checkpointing IO fails, current JBD code doesn't check the error
and continue journaling.  This means latest metadata can be lost from both
the journal and filesystem.

This patch leaves the failed metadata blocks in the journal space and
aborts journaling in the case of log_do_checkpoint().  To achieve this, we
need to do:

1. don't remove the failed buffer from the checkpoint list where in
   the case of __try_to_free_cp_buf() because it may be released or
   overwritten by a later transaction
2. log_do_checkpoint() is the last chance, remove the failed buffer
   from the checkpoint list and abort the journal
3. when checkpointing fails, don't update the journal super block to
   prevent the journaled contents from being cleaned.  For safety,
   don't update j_tail and j_tail_sequence either
4. when checkpointing fails, notify this error to the ext3 layer so
   that ext3 don't clear the needs_recovery flag, otherwise the
   journaled contents are ignored and cleaned in the recovery phase
5. if the recovery fails, keep the needs_recovery flag
6. prevent cleanup_journal_tail() from being called between
   __journal_drop_transaction() and journal_abort() (a race issue
   between journal_flush() and __log_wait_for_space()

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/jbd/checkpoint.c | 49 ++++++++++++++++++++++++++++++++++-----------
 fs/jbd/journal.c    | 28 ++++++++++++++++++++------
 fs/jbd/recovery.c   |  7 +++++--
 include/linux/jbd.h |  2 +-
 4 files changed, 65 insertions(+), 21 deletions(-)

diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index a5432bbbfb8..e29293501d4 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -93,7 +93,8 @@ static int __try_to_free_cp_buf(struct journal_head *jh)
 	int ret = 0;
 	struct buffer_head *bh = jh2bh(jh);
 
-	if (jh->b_jlist == BJ_None && !buffer_locked(bh) && !buffer_dirty(bh)) {
+	if (jh->b_jlist == BJ_None && !buffer_locked(bh) &&
+	    !buffer_dirty(bh) && buffer_uptodate(bh)) {
 		JBUFFER_TRACE(jh, "remove from checkpoint list");
 		ret = __journal_remove_checkpoint(jh) + 1;
 		jbd_unlock_bh_state(bh);
@@ -160,21 +161,25 @@ static void jbd_sync_bh(journal_t *journal, struct buffer_head *bh)
  * buffers. Note that we take the buffers in the opposite ordering
  * from the one in which they were submitted for IO.
  *
+ * Return 0 on success, and return <0 if some buffers have failed
+ * to be written out.
+ *
  * Called with j_list_lock held.
  */
-static void __wait_cp_io(journal_t *journal, transaction_t *transaction)
+static int __wait_cp_io(journal_t *journal, transaction_t *transaction)
 {
 	struct journal_head *jh;
 	struct buffer_head *bh;
 	tid_t this_tid;
 	int released = 0;
+	int ret = 0;
 
 	this_tid = transaction->t_tid;
 restart:
 	/* Did somebody clean up the transaction in the meanwhile? */
 	if (journal->j_checkpoint_transactions != transaction ||
 			transaction->t_tid != this_tid)
-		return;
+		return ret;
 	while (!released && transaction->t_checkpoint_io_list) {
 		jh = transaction->t_checkpoint_io_list;
 		bh = jh2bh(jh);
@@ -194,6 +199,9 @@ restart:
 			spin_lock(&journal->j_list_lock);
 			goto restart;
 		}
+		if (unlikely(!buffer_uptodate(bh)))
+			ret = -EIO;
+
 		/*
 		 * Now in whatever state the buffer currently is, we know that
 		 * it has been written out and so we can drop it from the list
@@ -203,6 +211,8 @@ restart:
 		journal_remove_journal_head(bh);
 		__brelse(bh);
 	}
+
+	return ret;
 }
 
 #define NR_BATCH	64
@@ -226,7 +236,8 @@ __flush_batch(journal_t *journal, struct buffer_head **bhs, int *batch_count)
  * Try to flush one buffer from the checkpoint list to disk.
  *
  * Return 1 if something happened which requires us to abort the current
- * scan of the checkpoint list.
+ * scan of the checkpoint list.  Return <0 if the buffer has failed to
+ * be written out.
  *
  * Called with j_list_lock held and drops it if 1 is returned
  * Called under jbd_lock_bh_state(jh2bh(jh)), and drops it
@@ -256,6 +267,9 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
 		log_wait_commit(journal, tid);
 		ret = 1;
 	} else if (!buffer_dirty(bh)) {
+		ret = 1;
+		if (unlikely(!buffer_uptodate(bh)))
+			ret = -EIO;
 		J_ASSERT_JH(jh, !buffer_jbddirty(bh));
 		BUFFER_TRACE(bh, "remove from checkpoint");
 		__journal_remove_checkpoint(jh);
@@ -263,7 +277,6 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
 		jbd_unlock_bh_state(bh);
 		journal_remove_journal_head(bh);
 		__brelse(bh);
-		ret = 1;
 	} else {
 		/*
 		 * Important: we are about to write the buffer, and
@@ -295,6 +308,7 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
  * to disk. We submit larger chunks of data at once.
  *
  * The journal should be locked before calling this function.
+ * Called with j_checkpoint_mutex held.
  */
 int log_do_checkpoint(journal_t *journal)
 {
@@ -318,6 +332,7 @@ int log_do_checkpoint(journal_t *journal)
 	 * OK, we need to start writing disk blocks.  Take one transaction
 	 * and write it.
 	 */
+	result = 0;
 	spin_lock(&journal->j_list_lock);
 	if (!journal->j_checkpoint_transactions)
 		goto out;
@@ -334,7 +349,7 @@ restart:
 		int batch_count = 0;
 		struct buffer_head *bhs[NR_BATCH];
 		struct journal_head *jh;
-		int retry = 0;
+		int retry = 0, err;
 
 		while (!retry && transaction->t_checkpoint_list) {
 			struct buffer_head *bh;
@@ -347,6 +362,8 @@ restart:
 				break;
 			}
 			retry = __process_buffer(journal, jh, bhs,&batch_count);
+			if (retry < 0 && !result)
+				result = retry;
 			if (!retry && (need_resched() ||
 				spin_needbreak(&journal->j_list_lock))) {
 				spin_unlock(&journal->j_list_lock);
@@ -371,14 +388,18 @@ restart:
 		 * Now we have cleaned up the first transaction's checkpoint
 		 * list. Let's clean up the second one
 		 */
-		__wait_cp_io(journal, transaction);
+		err = __wait_cp_io(journal, transaction);
+		if (!result)
+			result = err;
 	}
 out:
 	spin_unlock(&journal->j_list_lock);
-	result = cleanup_journal_tail(journal);
 	if (result < 0)
-		return result;
-	return 0;
+		journal_abort(journal, result);
+	else
+		result = cleanup_journal_tail(journal);
+
+	return (result < 0) ? result : 0;
 }
 
 /*
@@ -394,8 +415,9 @@ out:
  * This is the only part of the journaling code which really needs to be
  * aware of transaction aborts.  Checkpointing involves writing to the
  * main filesystem area rather than to the journal, so it can proceed
- * even in abort state, but we must not update the journal superblock if
- * we have an abort error outstanding.
+ * even in abort state, but we must not update the super block if
+ * checkpointing may have failed.  Otherwise, we would lose some metadata
+ * buffers which should be written-back to the filesystem.
  */
 
 int cleanup_journal_tail(journal_t *journal)
@@ -404,6 +426,9 @@ int cleanup_journal_tail(journal_t *journal)
 	tid_t		first_tid;
 	unsigned long	blocknr, freed;
 
+	if (is_journal_aborted(journal))
+		return 1;
+
 	/* OK, work out the oldest transaction remaining in the log, and
 	 * the log block it starts at.
 	 *
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index aa7143a8349..9e4fa52d7dc 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -1121,9 +1121,12 @@ recovery_error:
  *
  * Release a journal_t structure once it is no longer in use by the
  * journaled object.
+ * Return <0 if we couldn't clean up the journal.
  */
-void journal_destroy(journal_t *journal)
+int journal_destroy(journal_t *journal)
 {
+	int err = 0;
+
 	/* Wait for the commit thread to wake up and die. */
 	journal_kill_thread(journal);
 
@@ -1146,11 +1149,16 @@ void journal_destroy(journal_t *journal)
 	J_ASSERT(journal->j_checkpoint_transactions == NULL);
 	spin_unlock(&journal->j_list_lock);
 
-	/* We can now mark the journal as empty. */
-	journal->j_tail = 0;
-	journal->j_tail_sequence = ++journal->j_transaction_sequence;
 	if (journal->j_sb_buffer) {
-		journal_update_superblock(journal, 1);
+		if (!is_journal_aborted(journal)) {
+			/* We can now mark the journal as empty. */
+			journal->j_tail = 0;
+			journal->j_tail_sequence =
+				++journal->j_transaction_sequence;
+			journal_update_superblock(journal, 1);
+		} else {
+			err = -EIO;
+		}
 		brelse(journal->j_sb_buffer);
 	}
 
@@ -1160,6 +1168,8 @@ void journal_destroy(journal_t *journal)
 		journal_destroy_revoke(journal);
 	kfree(journal->j_wbuf);
 	kfree(journal);
+
+	return err;
 }
 
 
@@ -1359,10 +1369,16 @@ int journal_flush(journal_t *journal)
 	spin_lock(&journal->j_list_lock);
 	while (!err && journal->j_checkpoint_transactions != NULL) {
 		spin_unlock(&journal->j_list_lock);
+		mutex_lock(&journal->j_checkpoint_mutex);
 		err = log_do_checkpoint(journal);
+		mutex_unlock(&journal->j_checkpoint_mutex);
 		spin_lock(&journal->j_list_lock);
 	}
 	spin_unlock(&journal->j_list_lock);
+
+	if (is_journal_aborted(journal))
+		return -EIO;
+
 	cleanup_journal_tail(journal);
 
 	/* Finally, mark the journal as really needing no recovery.
@@ -1384,7 +1400,7 @@ int journal_flush(journal_t *journal)
 	J_ASSERT(journal->j_head == journal->j_tail);
 	J_ASSERT(journal->j_tail_sequence == journal->j_transaction_sequence);
 	spin_unlock(&journal->j_state_lock);
-	return err;
+	return 0;
 }
 
 /**
diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c
index 43bc5e5ed06..db5e982c5dd 100644
--- a/fs/jbd/recovery.c
+++ b/fs/jbd/recovery.c
@@ -223,7 +223,7 @@ do {									\
  */
 int journal_recover(journal_t *journal)
 {
-	int			err;
+	int			err, err2;
 	journal_superblock_t *	sb;
 
 	struct recovery_info	info;
@@ -261,7 +261,10 @@ int journal_recover(journal_t *journal)
 	journal->j_transaction_sequence = ++info.end_transaction;
 
 	journal_clear_revoke(journal);
-	sync_blockdev(journal->j_fs_dev);
+	err2 = sync_blockdev(journal->j_fs_dev);
+	if (!err)
+		err = err2;
+
 	return err;
 }
 
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 35d4f6342fa..346e2b80be7 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -911,7 +911,7 @@ extern int	   journal_set_features
 		   (journal_t *, unsigned long, unsigned long, unsigned long);
 extern int	   journal_create     (journal_t *);
 extern int	   journal_load       (journal_t *journal);
-extern void	   journal_destroy    (journal_t *);
+extern int	   journal_destroy    (journal_t *);
 extern int	   journal_recover    (journal_t *journal);
 extern int	   journal_wipe       (journal_t *, int);
 extern int	   journal_skip_recovery	(journal_t *);
-- 
GitLab


From 2d7c820e56ce83b23daee9eb5343730fb309418e Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Wed, 22 Oct 2008 14:15:01 -0700
Subject: [PATCH 2164/2224] ext3: add checks for errors from jbd

If the journal has aborted due to a checkpointing failure, we have to
keep the contents of the journal space.  Otherwise, the filesystem will
lose uncheckpointed metadata completely and become inconsistent.  To
avoid this, we need to keep needs_recovery flag if checkpoint has
failed.

With this patch, ext3_put_super() detects a checkpointing failure from
the return value of journal_destroy(), then it invokes ext3_abort() to
make the filesystem read only and keep needs_recovery flag.  Errors
from journal_flush() are also handled by this patch in some places.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Cc: Jan Kara <jack@ucw.cz>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext3/ioctl.c | 12 ++++++++----
 fs/ext3/super.c | 23 +++++++++++++++++++----
 2 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c
index 0d0c7015164..b7394d05ee8 100644
--- a/fs/ext3/ioctl.c
+++ b/fs/ext3/ioctl.c
@@ -239,7 +239,7 @@ setrsvsz_out:
 	case EXT3_IOC_GROUP_EXTEND: {
 		ext3_fsblk_t n_blocks_count;
 		struct super_block *sb = inode->i_sb;
-		int err;
+		int err, err2;
 
 		if (!capable(CAP_SYS_RESOURCE))
 			return -EPERM;
@@ -254,8 +254,10 @@ setrsvsz_out:
 		}
 		err = ext3_group_extend(sb, EXT3_SB(sb)->s_es, n_blocks_count);
 		journal_lock_updates(EXT3_SB(sb)->s_journal);
-		journal_flush(EXT3_SB(sb)->s_journal);
+		err2 = journal_flush(EXT3_SB(sb)->s_journal);
 		journal_unlock_updates(EXT3_SB(sb)->s_journal);
+		if (err == 0)
+			err = err2;
 group_extend_out:
 		mnt_drop_write(filp->f_path.mnt);
 		return err;
@@ -263,7 +265,7 @@ group_extend_out:
 	case EXT3_IOC_GROUP_ADD: {
 		struct ext3_new_group_data input;
 		struct super_block *sb = inode->i_sb;
-		int err;
+		int err, err2;
 
 		if (!capable(CAP_SYS_RESOURCE))
 			return -EPERM;
@@ -280,8 +282,10 @@ group_extend_out:
 
 		err = ext3_group_add(sb, &input);
 		journal_lock_updates(EXT3_SB(sb)->s_journal);
-		journal_flush(EXT3_SB(sb)->s_journal);
+		err2 = journal_flush(EXT3_SB(sb)->s_journal);
 		journal_unlock_updates(EXT3_SB(sb)->s_journal);
+		if (err == 0)
+			err = err2;
 group_add_out:
 		mnt_drop_write(filp->f_path.mnt);
 		return err;
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 3a260af5544..cac29ee3b14 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -393,7 +393,8 @@ static void ext3_put_super (struct super_block * sb)
 	int i;
 
 	ext3_xattr_put_super(sb);
-	journal_destroy(sbi->s_journal);
+	if (journal_destroy(sbi->s_journal) < 0)
+		ext3_abort(sb, __func__, "Couldn't clean up the journal");
 	if (!(sb->s_flags & MS_RDONLY)) {
 		EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
 		es->s_state = cpu_to_le16(sbi->s_mount_state);
@@ -2296,7 +2297,9 @@ static void ext3_mark_recovery_complete(struct super_block * sb,
 	journal_t *journal = EXT3_SB(sb)->s_journal;
 
 	journal_lock_updates(journal);
-	journal_flush(journal);
+	if (journal_flush(journal) < 0)
+		goto out;
+
 	lock_super(sb);
 	if (EXT3_HAS_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER) &&
 	    sb->s_flags & MS_RDONLY) {
@@ -2305,6 +2308,8 @@ static void ext3_mark_recovery_complete(struct super_block * sb,
 		ext3_commit_super(sb, es, 1);
 	}
 	unlock_super(sb);
+
+out:
 	journal_unlock_updates(journal);
 }
 
@@ -2404,7 +2409,13 @@ static void ext3_write_super_lockfs(struct super_block *sb)
 
 		/* Now we set up the journal barrier. */
 		journal_lock_updates(journal);
-		journal_flush(journal);
+
+		/*
+		 * We don't want to clear needs_recovery flag when we failed
+		 * to flush the journal.
+		 */
+		if (journal_flush(journal) < 0)
+			return;
 
 		/* Journal blocked and flushed, clear needs_recovery flag. */
 		EXT3_CLEAR_INCOMPAT_FEATURE(sb, EXT3_FEATURE_INCOMPAT_RECOVER);
@@ -2822,8 +2833,12 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
 		 * otherwise be livelocked...
 		 */
 		journal_lock_updates(EXT3_SB(sb)->s_journal);
-		journal_flush(EXT3_SB(sb)->s_journal);
+		err = journal_flush(EXT3_SB(sb)->s_journal);
 		journal_unlock_updates(EXT3_SB(sb)->s_journal);
+		if (err) {
+			path_put(&nd.path);
+			return err;
+		}
 	}
 
 	err = vfs_quota_on_path(sb, type, format_id, &nd.path);
-- 
GitLab


From 9f818b4ac04f53458d0354950b4f229f54be4dbf Mon Sep 17 00:00:00 2001
From: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Date: Wed, 22 Oct 2008 14:15:02 -0700
Subject: [PATCH 2165/2224] jbd: test BH_Write_EIO to detect errors on metadata
 buffers

__try_to_free_cp_buf(), __process_buffer(), and __wait_cp_io() test
BH_Uptodate flag to detect write I/O errors on metadata buffers.  But by
commit 95450f5a7e53d5752ce1a0d0b8282e10fe745ae0 "ext3: don't read inode
block if the buffer has a write error"(*), BH_Uptodate flag can be set to
inode buffers with BH_Write_EIO in order to avoid reading old inode data.
So now, we have to test BH_Write_EIO flag of checkpointing inode buffers
instead of BH_Uptodate.  This patch does it.

Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/jbd/checkpoint.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index e29293501d4..fe852193324 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -94,7 +94,7 @@ static int __try_to_free_cp_buf(struct journal_head *jh)
 	struct buffer_head *bh = jh2bh(jh);
 
 	if (jh->b_jlist == BJ_None && !buffer_locked(bh) &&
-	    !buffer_dirty(bh) && buffer_uptodate(bh)) {
+	    !buffer_dirty(bh) && !buffer_write_io_error(bh)) {
 		JBUFFER_TRACE(jh, "remove from checkpoint list");
 		ret = __journal_remove_checkpoint(jh) + 1;
 		jbd_unlock_bh_state(bh);
@@ -199,7 +199,7 @@ restart:
 			spin_lock(&journal->j_list_lock);
 			goto restart;
 		}
-		if (unlikely(!buffer_uptodate(bh)))
+		if (unlikely(buffer_write_io_error(bh)))
 			ret = -EIO;
 
 		/*
@@ -268,7 +268,7 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
 		ret = 1;
 	} else if (!buffer_dirty(bh)) {
 		ret = 1;
-		if (unlikely(!buffer_uptodate(bh)))
+		if (unlikely(buffer_write_io_error(bh)))
 			ret = -EIO;
 		J_ASSERT_JH(jh, !buffer_jbddirty(bh));
 		BUFFER_TRACE(bh, "remove from checkpoint");
-- 
GitLab


From be07c4ed4043ab8c26f222348136141335e47a2f Mon Sep 17 00:00:00 2001
From: Duane Griffin <duaneg@dghda.com>
Date: Wed, 22 Oct 2008 14:15:03 -0700
Subject: [PATCH 2166/2224] jbd: abort instead of waiting for nonexistent
 transactions

The __log_wait_for_space function sits in a loop checkpointing
transactions until there is sufficient space free in the journal.
However, if there are no transactions to be processed (e.g.  because the
free space calculation is wrong due to a corrupted filesystem) it will
never progress.

Check for space being required when no transactions are outstanding and
abort the journal instead of endlessly looping.

This patch fixes the bug reported by Sami Liedes at:
http://bugzilla.kernel.org/show_bug.cgi?id=10976

Signed-off-by: Duane Griffin <duaneg@dghda.com>
Tested-by: Sami Liedes <sliedes@cc.hut.fi>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/jbd/checkpoint.c | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index fe852193324..1bd8d4acc6f 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -127,14 +127,29 @@ void __log_wait_for_space(journal_t *journal)
 
 		/*
 		 * Test again, another process may have checkpointed while we
-		 * were waiting for the checkpoint lock
+		 * were waiting for the checkpoint lock. If there are no
+		 * outstanding transactions there is nothing to checkpoint and
+		 * we can't make progress. Abort the journal in this case.
 		 */
 		spin_lock(&journal->j_state_lock);
+		spin_lock(&journal->j_list_lock);
 		nblocks = jbd_space_needed(journal);
 		if (__log_space_left(journal) < nblocks) {
+			int chkpt = journal->j_checkpoint_transactions != NULL;
+
+			spin_unlock(&journal->j_list_lock);
 			spin_unlock(&journal->j_state_lock);
-			log_do_checkpoint(journal);
+			if (chkpt) {
+				log_do_checkpoint(journal);
+			} else {
+				printk(KERN_ERR "%s: no transactions\n",
+				       __func__);
+				journal_abort(journal, 0);
+			}
+
 			spin_lock(&journal->j_state_lock);
+		} else {
+			spin_unlock(&journal->j_list_lock);
 		}
 		mutex_unlock(&journal->j_checkpoint_mutex);
 	}
-- 
GitLab


From 94b6da5ab8293b04a300ba35c72eddfa94db8b02 Mon Sep 17 00:00:00 2001
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Date: Wed, 22 Oct 2008 14:15:05 -0700
Subject: [PATCH 2167/2224] memcg: fix page_cgroup allocation

page_cgroup_init() is called from mem_cgroup_init(). But at this
point, we cannot call alloc_bootmem().
(and this caused panic at boot.)

This patch moves page_cgroup_init() to init/main.c.

Time table is following:
==
  parse_args(). # we can trust mem_cgroup_subsys.disabled bit after this.
  ....
  cgroup_init_early()  # "early" init of cgroup.
  ....
  setup_arch()         # memmap is allocated.
  ...
  page_cgroup_init();
  mem_init();   # we cannot call alloc_bootmem after this.
  ....
  cgroup_init() # mem_cgroup is initialized.
==

Before page_cgroup_init(), mem_map must be initialized. So,
I added page_cgroup_init() to init/main.c directly.

(*) maybe this is not very clean but
    - cgroup_init_early() is too early
    - in cgroup_init(), we have to use vmalloc instead of alloc_bootmem().
    use of vmalloc area in x86-32 is important and we should avoid very large
    vmalloc() in x86-32. So, we want to use alloc_bootmem() and added page_cgroup_init()
    directly to init/main.c

[akpm@linux-foundation.org: remove unneeded/bad mem_cgroup_subsys declaration]
[akpm@linux-foundation.org: fix build]
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Tested-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/page_cgroup.h |  5 +++++
 init/main.c                 |  2 ++
 mm/memcontrol.c             |  1 -
 mm/page_cgroup.c            | 32 +++++++++++++++++++++++++-------
 4 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index 0fd39f2231e..f546ad6fc02 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -99,5 +99,10 @@ static inline struct page_cgroup *lookup_page_cgroup(struct page *page)
 {
 	return NULL;
 }
+
+static inline void page_cgroup_init(void)
+{
+}
+
 #endif
 #endif
diff --git a/init/main.c b/init/main.c
index 3e17a3bafe6..672ae75b205 100644
--- a/init/main.c
+++ b/init/main.c
@@ -52,6 +52,7 @@
 #include <linux/key.h>
 #include <linux/unwind.h>
 #include <linux/buffer_head.h>
+#include <linux/page_cgroup.h>
 #include <linux/debug_locks.h>
 #include <linux/debugobjects.h>
 #include <linux/lockdep.h>
@@ -647,6 +648,7 @@ asmlinkage void __init start_kernel(void)
 	vmalloc_init();
 	vfs_caches_init_early();
 	cpuset_init_early();
+	page_cgroup_init();
 	mem_init();
 	enable_debug_pagealloc();
 	cpu_hotplug_init();
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index d4a92b63e98..866dcc7eeb0 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1088,7 +1088,6 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	int node;
 
 	if (unlikely((cont->parent) == NULL)) {
-		page_cgroup_init();
 		mem = &init_mem_cgroup;
 	} else {
 		mem = mem_cgroup_alloc();
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 78242b4d7ed..f59d797dc5a 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -4,8 +4,10 @@
 #include <linux/bit_spinlock.h>
 #include <linux/page_cgroup.h>
 #include <linux/hash.h>
+#include <linux/slab.h>
 #include <linux/memory.h>
 #include <linux/vmalloc.h>
+#include <linux/cgroup.h>
 
 static void __meminit
 __init_page_cgroup(struct page_cgroup *pc, unsigned long pfn)
@@ -67,6 +69,9 @@ void __init page_cgroup_init(void)
 
 	int nid, fail;
 
+	if (mem_cgroup_subsys.disabled)
+		return;
+
 	for_each_online_node(nid)  {
 		fail = alloc_node_page_cgroup(nid);
 		if (fail)
@@ -107,9 +112,14 @@ int __meminit init_section_page_cgroup(unsigned long pfn)
 	nid = page_to_nid(pfn_to_page(pfn));
 
 	table_size = sizeof(struct page_cgroup) * PAGES_PER_SECTION;
-	base = kmalloc_node(table_size, GFP_KERNEL, nid);
-	if (!base)
-		base = vmalloc_node(table_size, nid);
+	if (slab_is_available()) {
+		base = kmalloc_node(table_size, GFP_KERNEL, nid);
+		if (!base)
+			base = vmalloc_node(table_size, nid);
+	} else {
+		base = __alloc_bootmem_node_nopanic(NODE_DATA(nid), table_size,
+				PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
+	}
 
 	if (!base) {
 		printk(KERN_ERR "page cgroup allocation failure\n");
@@ -136,11 +146,16 @@ void __free_page_cgroup(unsigned long pfn)
 	if (!ms || !ms->page_cgroup)
 		return;
 	base = ms->page_cgroup + pfn;
-	ms->page_cgroup = NULL;
-	if (is_vmalloc_addr(base))
+	if (is_vmalloc_addr(base)) {
 		vfree(base);
-	else
-		kfree(base);
+		ms->page_cgroup = NULL;
+	} else {
+		struct page *page = virt_to_page(base);
+		if (!PageReserved(page)) { /* Is bootmem ? */
+			kfree(base);
+			ms->page_cgroup = NULL;
+		}
+	}
 }
 
 int online_page_cgroup(unsigned long start_pfn,
@@ -214,6 +229,9 @@ void __init page_cgroup_init(void)
 	unsigned long pfn;
 	int fail = 0;
 
+	if (mem_cgroup_subsys.disabled)
+		return;
+
 	for (pfn = 0; !fail && pfn < max_pfn; pfn += PAGES_PER_SECTION) {
 		if (!pfn_present(pfn))
 			continue;
-- 
GitLab


From a8ddac7e53e89cb877965097d05adfeb1c91def3 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Tue, 21 Oct 2008 10:59:15 +0200
Subject: [PATCH 2168/2224] mutex: speed up generic mutex implementations

- atomic operations which both modify the variable and return something imply
  full smp memory barriers before and after the memory operations involved
  (failing atomic_cmpxchg, atomic_add_unless, etc don't imply a barrier because
  they don't modify the target). See Documentation/atomic_ops.txt.
  So remove extra barriers and branches.

- All architectures support atomic_cmpxchg. This has no relation to
  __HAVE_ARCH_CMPXCHG. We can just take the atomic_cmpxchg path unconditionally

This reduces a simple single threaded fastpath lock+unlock test from 590 cycles
to 203 cycles on a ppc970 system.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/asm-generic/mutex-dec.h  | 26 ++------------------------
 include/asm-generic/mutex-xchg.h |  9 +--------
 2 files changed, 3 insertions(+), 32 deletions(-)

diff --git a/include/asm-generic/mutex-dec.h b/include/asm-generic/mutex-dec.h
index ed108be6743..f104af7cf43 100644
--- a/include/asm-generic/mutex-dec.h
+++ b/include/asm-generic/mutex-dec.h
@@ -22,8 +22,6 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_dec_return(count) < 0))
 		fail_fn(count);
-	else
-		smp_mb();
 }
 
 /**
@@ -41,10 +39,7 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_dec_return(count) < 0))
 		return fail_fn(count);
-	else {
-		smp_mb();
-		return 0;
-	}
+	return 0;
 }
 
 /**
@@ -63,7 +58,6 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 static inline void
 __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
-	smp_mb();
 	if (unlikely(atomic_inc_return(count) <= 0))
 		fail_fn(count);
 }
@@ -88,25 +82,9 @@ __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
 static inline int
 __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
-	/*
-	 * We have two variants here. The cmpxchg based one is the best one
-	 * because it never induce a false contention state.  It is included
-	 * here because architectures using the inc/dec algorithms over the
-	 * xchg ones are much more likely to support cmpxchg natively.
-	 *
-	 * If not we fall back to the spinlock based variant - that is
-	 * just as efficient (and simpler) as a 'destructive' probing of
-	 * the mutex state would be.
-	 */
-#ifdef __HAVE_ARCH_CMPXCHG
-	if (likely(atomic_cmpxchg(count, 1, 0) == 1)) {
-		smp_mb();
+	if (likely(atomic_cmpxchg(count, 1, 0) == 1))
 		return 1;
-	}
 	return 0;
-#else
-	return fail_fn(count);
-#endif
 }
 
 #endif
diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h
index 7b9cd2cbfeb..580a6d35c70 100644
--- a/include/asm-generic/mutex-xchg.h
+++ b/include/asm-generic/mutex-xchg.h
@@ -27,8 +27,6 @@ __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_xchg(count, 0) != 1))
 		fail_fn(count);
-	else
-		smp_mb();
 }
 
 /**
@@ -46,10 +44,7 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
 	if (unlikely(atomic_xchg(count, 0) != 1))
 		return fail_fn(count);
-	else {
-		smp_mb();
-		return 0;
-	}
+	return 0;
 }
 
 /**
@@ -67,7 +62,6 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 static inline void
 __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
-	smp_mb();
 	if (unlikely(atomic_xchg(count, 1) != 0))
 		fail_fn(count);
 }
@@ -110,7 +104,6 @@ __mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
 		if (prev < 0)
 			prev = 0;
 	}
-	smp_mb();
 
 	return prev;
 }
-- 
GitLab


From 7dc9b48fc5b9641d4b2a222825e5be64ebb27356 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@redhat.com>
Date: Tue, 21 Oct 2008 13:44:58 +0100
Subject: [PATCH 2169/2224] watchdog: Fix warning
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This seems to have popped up after the recent merges:

drivers/watchdog/w83697ug_wdt.c: In function ‘w83697ug_select_wd_register’:
drivers/watchdog/w83697ug_wdt.c:105: warning: ‘return’ with a value, in function returning void

Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/watchdog/w83697ug_wdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/w83697ug_wdt.c b/drivers/watchdog/w83697ug_wdt.c
index c73b5e2919c..ada8ad82d99 100644
--- a/drivers/watchdog/w83697ug_wdt.c
+++ b/drivers/watchdog/w83697ug_wdt.c
@@ -102,7 +102,7 @@ static void w83697ug_select_wd_register(void)
 
 	} else {
 		printk(KERN_ERR PFX "No W83697UG/UF could be found\n");
-		return -EIO;
+		return;
 	}
 
 	outb_p(0x07, WDT_EFER); /* point to logical device number reg */
-- 
GitLab


From cb4bca3540535a15705b50bdaea4fe2fddd183b3 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@redhat.com>
Date: Tue, 21 Oct 2008 13:47:44 +0100
Subject: [PATCH 2170/2224] tty: Fix tty_port kref screwup

Pass the brown paper bags please. I changed the semantics of this so the
function was supposed to do the extra kref itself then forgot to do the
change.. duh....

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/tty_port.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index 553b0e9d8d1..c8f8024cb40 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -90,7 +90,7 @@ void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty)
 	spin_lock_irqsave(&port->lock, flags);
 	if (port->tty)
 		tty_kref_put(port->tty);
-	port->tty = tty;
+	port->tty = tty_kref_get(tty);
 	spin_unlock_irqrestore(&port->lock, flags);
 }
 EXPORT_SYMBOL(tty_port_tty_set);
-- 
GitLab


From 9f50bbad8fc3b0f9fd453ab1e2716b3106d89b13 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 23 Oct 2008 13:57:39 +0200
Subject: [PATCH 2171/2224] ALSA: aoa i2sbus: don't overwrite module parameter

We shouldn't modify a global variable here.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/aoa/soundbus/i2sbus/i2sbus-core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/aoa/soundbus/i2sbus/i2sbus-core.c b/sound/aoa/soundbus/i2sbus/i2sbus-core.c
index e6beb92c693..b4590df0746 100644
--- a/sound/aoa/soundbus/i2sbus/i2sbus-core.c
+++ b/sound/aoa/soundbus/i2sbus/i2sbus-core.c
@@ -159,7 +159,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 	struct i2sbus_dev *dev;
 	struct device_node *child = NULL, *sound = NULL;
 	struct resource *r;
-	int i, layout = 0, rlen;
+	int i, layout = 0, rlen, ok = force;
 	static const char *rnames[] = { "i2sbus: %s (control)",
 					"i2sbus: %s (tx)",
 					"i2sbus: %s (rx)" };
@@ -192,7 +192,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 			layout = *layout_id;
 			snprintf(dev->sound.modalias, 32,
 				 "sound-layout-%d", layout);
-			force = 1;
+			ok = 1;
 		}
 	}
 	/* for the time being, until we can handle non-layout-id
@@ -201,7 +201,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 	 * When there are two i2s busses and only one has a layout-id,
 	 * then this depends on the order, but that isn't important
 	 * either as the second one in that case is just a modem. */
-	if (!force) {
+	if (!ok) {
 		kfree(dev);
 		return -ENODEV;
 	}
-- 
GitLab


From 7106b4e333baeaf3c596e4d240438059b8a7616d Mon Sep 17 00:00:00 2001
From: Lee Howard <lee.howard@mainpine.com>
Date: Tue, 21 Oct 2008 13:48:58 +0100
Subject: [PATCH 2172/2224] 8250: Oxford Semiconductor Devices

Add support for the OxSemi 'Tornado' devices.

Reformatted and reworked a bit by Alan Cox

Signed-off-by: Lee Howard <lee.howard@mainpine.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/parport/parport_pc.c |  20 +++-
 drivers/serial/8250_pci.c    | 211 +++++++++++++++++++++++++++++++++++
 include/linux/pci_ids.h      |   8 ++
 3 files changed, 238 insertions(+), 1 deletion(-)

diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 8a846adf1dc..96f3bdf0ec4 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -2791,6 +2791,7 @@ enum parport_pc_pci_cards {
 	oxsemi_952,
 	oxsemi_954,
 	oxsemi_840,
+	oxsemi_pcie_pport,
 	aks_0100,
 	mobility_pp,
 	netmos_9705,
@@ -2868,6 +2869,7 @@ static struct parport_pc_pci {
 	/* oxsemi_952 */		{ 1, { { 0, 1 }, } },
 	/* oxsemi_954 */		{ 1, { { 0, -1 }, } },
 	/* oxsemi_840 */		{ 1, { { 0, 1 }, } },
+	/* oxsemi_pcie_pport */		{ 1, { { 0, 1 }, } },
 	/* aks_0100 */                  { 1, { { 0, -1 }, } },
 	/* mobility_pp */		{ 1, { { 0, 1 }, } },
 	/* netmos_9705 */               { 1, { { 0, -1 }, } }, /* untested */
@@ -2928,7 +2930,6 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
 	{ 0x1409, 0x7268, 0x1409, 0x0103, 0, 0, timedia_4008a },
 	{ 0x1409, 0x7268, 0x1409, 0x0104, 0, 0, timedia_4018 },
 	{ 0x1409, 0x7268, 0x1409, 0x9018, 0, 0, timedia_9018a },
-	{ 0x14f2, 0x0121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, mobility_pp },
 	{ PCI_VENDOR_ID_SYBA, PCI_DEVICE_ID_SYBA_2P_EPP,
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, syba_2p_epp },
 	{ PCI_VENDOR_ID_SYBA, PCI_DEVICE_ID_SYBA_1P_ECP,
@@ -2946,8 +2947,25 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_954 },
 	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_12PCI840,
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_840 },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe840,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe840_G,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_0,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_0_G,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1_G,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1_U,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+	{ PCI_VENDOR_ID_OXSEMI, PCI_DEVICE_ID_OXSEMI_PCIe952_1_GU,
+	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
 	{ PCI_VENDOR_ID_AKS, PCI_DEVICE_ID_AKS_ALADDINCARD,
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, aks_0100 },
+	{ 0x14f2, 0x0121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, mobility_pp },
 	/* NetMos communication controllers */
 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9705,
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9705 },
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index c014ffb110e..1bdb08b41f7 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -1100,6 +1100,8 @@ enum pci_board_num_t {
 	pbn_b0_4_1843200_200,
 	pbn_b0_8_1843200_200,
 
+	pbn_b0_1_4000000,
+
 	pbn_b0_bt_1_115200,
 	pbn_b0_bt_2_115200,
 	pbn_b0_bt_8_115200,
@@ -1167,6 +1169,10 @@ enum pci_board_num_t {
 	pbn_exsys_4055,
 	pbn_plx_romulus,
 	pbn_oxsemi,
+	pbn_oxsemi_1_4000000,
+	pbn_oxsemi_2_4000000,
+	pbn_oxsemi_4_4000000,
+	pbn_oxsemi_8_4000000,
 	pbn_intel_i960,
 	pbn_sgi_ioc3,
 	pbn_computone_4,
@@ -1290,6 +1296,12 @@ static struct pciserial_board pci_boards[] __devinitdata = {
 		.base_baud	= 1843200,
 		.uart_offset	= 0x200,
 	},
+	[pbn_b0_1_4000000] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 1,
+		.base_baud	= 4000000,
+		.uart_offset	= 8,
+	},
 
 	[pbn_b0_bt_1_115200] = {
 		.flags		= FL_BASE0|FL_BASE_BARS,
@@ -1625,6 +1637,35 @@ static struct pciserial_board pci_boards[] __devinitdata = {
 		.base_baud	= 115200,
 		.uart_offset	= 8,
 	},
+	[pbn_oxsemi_1_4000000] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 1,
+		.base_baud	= 4000000,
+		.uart_offset	= 0x200,
+		.first_offset	= 0x1000,
+	},
+	[pbn_oxsemi_2_4000000] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 2,
+		.base_baud	= 4000000,
+		.uart_offset	= 0x200,
+		.first_offset	= 0x1000,
+	},
+	[pbn_oxsemi_4_4000000] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 4,
+		.base_baud	= 4000000,
+		.uart_offset	= 0x200,
+		.first_offset	= 0x1000,
+	},
+	[pbn_oxsemi_8_4000000] = {
+		.flags		= FL_BASE0,
+		.num_ports	= 8,
+		.base_baud	= 4000000,
+		.uart_offset	= 0x200,
+		.first_offset	= 0x1000,
+	},
+
 
 	/*
 	 * EKF addition for i960 Boards form EKF with serial port.
@@ -1813,6 +1854,34 @@ serial_pci_matches(struct pciserial_board *board,
 	    board->first_offset == guessed->first_offset;
 }
 
+/*
+ * Oxford Semiconductor Inc.
+ * Check that device is part of the Tornado range of devices, then determine
+ * the number of ports available on the device.
+ */
+static int pci_oxsemi_tornado_init(struct pci_dev *dev, struct pciserial_board *board)
+{
+	u8 __iomem *p;
+	unsigned long deviceID;
+	unsigned int  number_uarts;
+
+	p = pci_iomap(dev, 0, 5);
+	if (p == NULL)
+		return -ENOMEM;
+
+	deviceID = ioread32(p);
+	/* Tornado device */
+	if (deviceID == 0x07000200) {
+		number_uarts = ioread8(p + 4);
+		board->num_ports = number_uarts;
+		printk(KERN_DEBUG
+			"%d ports detected on Oxford PCI Express device\n",
+								number_uarts);
+	}
+	pci_iounmap(dev, p);
+	return 0;
+}
+
 struct serial_private *
 pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
 {
@@ -1821,6 +1890,12 @@ pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
 	struct pci_serial_quirk *quirk;
 	int rc, nr_ports, i;
 
+	/*
+	 * Find number of ports on board
+	 */
+	if (dev->vendor == PCI_VENDOR_ID_OXSEMI)
+		pci_oxsemi_tornado_init(dev, board);
+
 	nr_ports = board->num_ports;
 
 	/*
@@ -2300,6 +2375,142 @@ static struct pci_device_id serial_pci_tbl[] = {
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 		pbn_b0_bt_2_921600 },
 
+	/*
+	 * Oxford Semiconductor Inc. Tornado PCI express device range.
+	 */
+	{	PCI_VENDOR_ID_OXSEMI, 0xc101,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc105,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc11b,    /* OXPCIe952 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc11f,    /* OXPCIe952 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc120,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc124,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc138,    /* OXPCIe952 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc13d,    /* OXPCIe952 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc140,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc141,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc144,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc145,    /* OXPCIe952 1 Legacy UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_b0_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc158,    /* OXPCIe952 2 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_2_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc15d,    /* OXPCIe952 2 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_2_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc208,    /* OXPCIe954 4 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_4_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc20d,    /* OXPCIe954 4 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_4_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc308,    /* OXPCIe958 8 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_8_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc30d,    /* OXPCIe958 8 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_8_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc40b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc40f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc41b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc41f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc42b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc42f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc43b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc43f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc44b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc44f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc45b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc45f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc46b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc46f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc47b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc47f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc48b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc48f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc49b,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc49f,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc4ab,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc4af,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc4bb,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc4bf,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc4cb,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_OXSEMI, 0xc4cf,    /* OXPCIe200 1 Native UART */
+		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+		pbn_oxsemi_1_4000000 },
+
 	/*
 	 * SBS Technologies, Inc. P-Octal and PMC-OCTPRO cards,
 	 * from skokodyn@yahoo.com
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index e5d344bfcb7..369f4428635 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1944,6 +1944,14 @@
 
 #define PCI_VENDOR_ID_OXSEMI		0x1415
 #define PCI_DEVICE_ID_OXSEMI_12PCI840	0x8403
+#define PCI_DEVICE_ID_OXSEMI_PCIe840		0xC000
+#define PCI_DEVICE_ID_OXSEMI_PCIe840_G		0xC004
+#define PCI_DEVICE_ID_OXSEMI_PCIe952_0		0xC100
+#define PCI_DEVICE_ID_OXSEMI_PCIe952_0_G	0xC104
+#define PCI_DEVICE_ID_OXSEMI_PCIe952_1		0xC110
+#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_G	0xC114
+#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_U	0xC118
+#define PCI_DEVICE_ID_OXSEMI_PCIe952_1_GU	0xC11C
 #define PCI_DEVICE_ID_OXSEMI_16PCI954	0x9501
 #define PCI_DEVICE_ID_OXSEMI_16PCI95N	0x9511
 #define PCI_DEVICE_ID_OXSEMI_16PCI954PP	0x9513
-- 
GitLab


From b80de369aa5c7c8ce7ff7a691e86e1dcc89accc6 Mon Sep 17 00:00:00 2001
From: Lee Howard <lee.howard@mainpine.com>
Date: Tue, 21 Oct 2008 13:50:14 +0100
Subject: [PATCH 2173/2224] 8250: Add more OxSemi devices

These have the Mainpine PCI identifier on however

Additional paranoia check for Tornado versions added by Alan Cox

(and this time I remembered to do an stg refresh so that the corrections ended
 up in these patches not randomly attached to another diff -- Alan)

Signed-off-by: Lee Howard <lee.howard@mainpine.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/serial/8250_pci.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 1bdb08b41f7..5450a0e5ecd 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -1865,6 +1865,11 @@ static int pci_oxsemi_tornado_init(struct pci_dev *dev, struct pciserial_board *
 	unsigned long deviceID;
 	unsigned int  number_uarts;
 
+	/* OxSemi Tornado devices are all 0xCxxx */
+	if (dev->vendor == PCI_VENDOR_ID_OXSEMI &&
+	    (dev->device & 0xF000) != 0xC000)
+		return 0;
+
 	p = pci_iomap(dev, 0, 5);
 	if (p == NULL)
 		return -ENOMEM;
@@ -1893,7 +1898,8 @@ pciserial_init_ports(struct pci_dev *dev, struct pciserial_board *board)
 	/*
 	 * Find number of ports on board
 	 */
-	if (dev->vendor == PCI_VENDOR_ID_OXSEMI)
+	if (dev->vendor == PCI_VENDOR_ID_OXSEMI ||
+	    dev->vendor == PCI_VENDOR_ID_MAINPINE)
 		pci_oxsemi_tornado_init(dev, board);
 
 	nr_ports = board->num_ports;
@@ -2510,7 +2516,21 @@ static struct pci_device_id serial_pci_tbl[] = {
 	{	PCI_VENDOR_ID_OXSEMI, 0xc4cf,    /* OXPCIe200 1 Native UART */
 		PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 		pbn_oxsemi_1_4000000 },
-
+	/*
+	 * Mainpine Inc. IQ Express "Rev3" utilizing OxSemi Tornado
+	 */
+	{	PCI_VENDOR_ID_MAINPINE, 0x4000,	/* IQ Express 1 Port V.34 Super-G3 Fax */
+		PCI_VENDOR_ID_MAINPINE, 0x4001, 0, 0,
+		pbn_oxsemi_1_4000000 },
+	{	PCI_VENDOR_ID_MAINPINE, 0x4000,	/* IQ Express 2 Port V.34 Super-G3 Fax */
+		PCI_VENDOR_ID_MAINPINE, 0x4002, 0, 0,
+		pbn_oxsemi_2_4000000 },
+	{	PCI_VENDOR_ID_MAINPINE, 0x4000,	/* IQ Express 4 Port V.34 Super-G3 Fax */
+		PCI_VENDOR_ID_MAINPINE, 0x4004, 0, 0,
+		pbn_oxsemi_4_4000000 },
+	{	PCI_VENDOR_ID_MAINPINE, 0x4000,	/* IQ Express 8 Port V.34 Super-G3 Fax */
+		PCI_VENDOR_ID_MAINPINE, 0x4008, 0, 0,
+		pbn_oxsemi_8_4000000 },
 	/*
 	 * SBS Technologies, Inc. P-Octal and PMC-OCTPRO cards,
 	 * from skokodyn@yahoo.com
-- 
GitLab


From 32c356d76d7e13dcd0675189d8e9c64ef66aa561 Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Wed, 20 Aug 2008 00:58:13 +0200
Subject: [PATCH 2174/2224] [SCSI] fix removable device inability to detect
 disk changes

On Tue, 12 Aug 2008 15:08:14 +0200
Giuliano Pochini <pochini@shiny.it> wrote:

> Fujitsu magneto-optical drive, Adaptec 29160 and
> Linux Jay 2.6.26 #7 SMP Sun Aug 10 18:34:22 CEST 2008 ppc 7455, altivec supported PowerMac3,6 GNU/Linux
>
> When I insert a disk and I mount it, scsi_test_unit_ready() is called and
> the do-while loop gets sshdr->sense_key == UNIT_ATTENTION in the first
> cycle and 0 in the second one. So the if below misses the UNIT_ATTENTION
> and sdev->changed = 1 is not executed. At this point bad things can
> happen... I'm not sure how to fix this. Any clue ?

The problem is essentially caused by us eating UNIT_ATTENTION
conditions in scsi_test_unit_ready().  Fix by updating the ->changed
flag when this happens if the media is removable.

[pochini@shiny.it: updates to tidy up patch]
Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_lib.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index e5a9526d203..f35a0951e46 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2105,22 +2105,21 @@ scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries,
 	do {
 		result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0, sshdr,
 					  timeout, retries);
-	} while ((driver_byte(result) & DRIVER_SENSE) &&
-		 sshdr && sshdr->sense_key == UNIT_ATTENTION &&
-		 --retries);
+		if (sdev->removable && scsi_sense_valid(sshdr) &&
+		    sshdr->sense_key == UNIT_ATTENTION)
+			sdev->changed = 1;
+	} while (scsi_sense_valid(sshdr) &&
+		 sshdr->sense_key == UNIT_ATTENTION && --retries);
 
 	if (!sshdr)
 		/* could not allocate sense buffer, so can't process it */
 		return result;
 
-	if ((driver_byte(result) & DRIVER_SENSE) && sdev->removable) {
-
-		if ((scsi_sense_valid(sshdr)) &&
-		    ((sshdr->sense_key == UNIT_ATTENTION) ||
-		     (sshdr->sense_key == NOT_READY))) {
-			sdev->changed = 1;
-			result = 0;
-		}
+	if (sdev->removable && scsi_sense_valid(sshdr) &&
+	    (sshdr->sense_key == UNIT_ATTENTION ||
+	     sshdr->sense_key == NOT_READY)) {
+		sdev->changed = 1;
+		result = 0;
 	}
 	if (!sshdr_external)
 		kfree(sshdr);
-- 
GitLab


From 5a36756b8b3d7178d9c101d1e2a7a83fd7b17706 Mon Sep 17 00:00:00 2001
From: Chandra Seetharaman <sekharan@us.ibm.com>
Date: Thu, 21 Aug 2008 23:12:40 -0700
Subject: [PATCH 2175/2224] [SCSI] scsi_dh: Initialize path state to be passive
 when path is not owned

Set the path state to be passive when we learn that the controller does
not own the path to the LUN.

This will avoid sending even a single i/o thru the passive path at the
probe time.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/device_handler/scsi_dh_rdac.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index a43c3ed4df2..3d50cabca7e 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -401,6 +401,9 @@ static int check_ownership(struct scsi_device *sdev, struct rdac_dh_data *h)
 		}
 	}
 
+	if (h->lun_state == RDAC_LUN_UNOWNED)
+		h->state = RDAC_STATE_PASSIVE;
+
 	return err;
 }
 
-- 
GitLab


From fa25b99a503f68594a1787e6f31159a5aec77928 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Mon, 22 Sep 2008 14:56:40 -0700
Subject: [PATCH 2176/2224] [SCSI] aic7xxx: introduce
 "dont_generate_debug_code" keyword in aicasm parser

aic7xxx still contains ~30kb of dead code if pretty printing of registers
is requested. These patches deal with it.

Size differences:

   text    data     bss     dec     hex filename
DEBUG_ENABLE+PRETTY_PRINT:
 234697    2362    1188  238247   3a2a7 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 205092    2362    1188  208642   32f02 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
NO_DEBUG_ENABLE+PRETTY_PRINT:
 227272    2362    1172  230806   38596 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 197671    2362    1172  201205   311f5 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
DEBUG_ENABLE+NO_PRETTY_PRINT:
 192457    2362    1188  196007   2fda7 linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 192457    2362    1188  196007   2fda7 linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o
NO_DEBUG_ENABLE+NO_PRETTY_PRINT:
 185040    2362    1172  188574   2e09e linux-2.6.26-rc8-/drivers/scsi/aic7xxx/built-in.o
 185040    2362    1172  188574   2e09e linux-2.6.26-rc8/drivers/scsi/aic7xxx/built-in.o

This patch:

Introduce "dont_generate_debug_code" keyword in aicasm parser.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/aic7xxx/aicasm/aicasm_gram.y   | 10 ++++++++++
 drivers/scsi/aic7xxx/aicasm/aicasm_scan.l   |  1 +
 drivers/scsi/aic7xxx/aicasm/aicasm_symbol.c |  3 +++
 drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h |  3 ++-
 4 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
index 81be6a261cc..e4064433842 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_gram.y
@@ -147,6 +147,8 @@ void yyerror(const char *string);
 
 %token T_ACCESS_MODE
 
+%token T_DONT_GENERATE_DEBUG_CODE
+
 %token T_MODES
 
 %token T_DEFINE
@@ -357,6 +359,7 @@ reg_attribute:
 |	size
 |	count
 |	access_mode
+|	dont_generate_debug_code
 |	modes
 |	field_defn
 |	enum_defn
@@ -410,6 +413,13 @@ access_mode:
 	}
 ;
 
+dont_generate_debug_code:
+	T_DONT_GENERATE_DEBUG_CODE
+	{
+		cur_symbol->dont_generate_debug_code = 1;
+	}
+;
+
 modes:
 	T_MODES mode_list
 	{
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l b/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l
index 2c7f02daf88..93c8667cd70 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_scan.l
@@ -164,6 +164,7 @@ download		{ return T_DOWNLOAD; }
 address			{ return T_ADDRESS; }
 count			{ return T_COUNT; }
 access_mode		{ return T_ACCESS_MODE; }
+dont_generate_debug_code { return T_DONT_GENERATE_DEBUG_CODE; }
 modes			{ return T_MODES; }
 RW|RO|WO		{
 				 if (strcmp(yytext, "RW") == 0)
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.c b/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.c
index fcd357872b4..078ed600f47 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.c
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.c
@@ -539,6 +539,9 @@ symtable_dump(FILE *ofile, FILE *dfile)
 	aic_print_include(dfile, stock_include_file);
 	SLIST_FOREACH(curnode, &registers, links) {
 
+		if (curnode->symbol->dont_generate_debug_code)
+			continue;
+
 		switch(curnode->symbol->type) {
 		case REGISTER:
 		case SCBLOC:
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h b/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h
index 05190c1a2fb..2ba73ae7c77 100644
--- a/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h
+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_symbol.h
@@ -137,7 +137,8 @@ typedef struct symbol {
 		struct label_info *linfo;
 		struct cond_info  *condinfo;
 		struct macro_info *macroinfo;
-	}info;
+	} info;
+	int	dont_generate_debug_code;
 } symbol_t;
 
 typedef struct symbol_ref {
-- 
GitLab


From 7b61ab89f9981ef296fb04dc42ee46fcc922c14f Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Mon, 22 Sep 2008 14:56:41 -0700
Subject: [PATCH 2177/2224] [SCSI] aic7xxx: update .reg files

Update .reg files, marking unused registers with dont_generate_debug_code.
Comment explains how to use it.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/aic7xxx/aic79xx.reg | 185 +++++++++++++++++++++++++++++++
 drivers/scsi/aic7xxx/aic7xxx.reg | 124 +++++++++++++++++++++
 2 files changed, 309 insertions(+)

diff --git a/drivers/scsi/aic7xxx/aic79xx.reg b/drivers/scsi/aic7xxx/aic79xx.reg
index cca16fc5b4a..0666c22ab55 100644
--- a/drivers/scsi/aic7xxx/aic79xx.reg
+++ b/drivers/scsi/aic7xxx/aic79xx.reg
@@ -79,6 +79,17 @@ VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic79xx.reg#77 $"
 		mvi	SEQINTCODE, code;				\
 	}
 
+/*
+ * Registers marked "dont_generate_debug_code" are not (yet) referenced
+ * from the driver code, and this keyword inhibit generation
+ * of debug code for them.
+ *
+ * REG_PRETTY_PRINT config will complain if dont_generate_debug_code
+ * is added to the register which is referenced in the driver.
+ * Unreferenced register with no dont_generate_debug_code will result
+ * in dead code. No warning is issued.
+ */
+
 /*
  * Mode Pointer
  * Controls which of the 5, 512byte, address spaces should be used
@@ -91,6 +102,7 @@ register MODE_PTR {
 	field	DST_MODE	0x70
 	field	SRC_MODE	0x07
 	mode_pointer
+	dont_generate_debug_code
 }
 
 const SRC_MODE_SHIFT	0
@@ -190,6 +202,7 @@ register SEQINTCODE {
 		SAW_HWERR,
 		BAD_SCB_STATUS
 	}
+	dont_generate_debug_code
 }
 
 /*
@@ -207,6 +220,7 @@ register CLRINT {
 	field	CLRSEQINT	0x04
 	field	CLRCMDINT	0x02
 	field	CLRSPLTINT	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -222,6 +236,7 @@ register ERROR {
 	field	SQPARERR	0x08
 	field	ILLOPCODE	0x04
 	field	DSCTMOUT	0x02
+	dont_generate_debug_code
 }
 
 /*
@@ -255,6 +270,7 @@ register HCNTRL {
 	field	INTEN		0x02
 	field	CHIPRST		0x01
 	field	CHIPRSTACK	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -265,6 +281,7 @@ register HNSCB_QOFF {
 	access_mode	RW
 	size		2
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -274,6 +291,7 @@ register HESCB_QOFF {
 	address			0x008
 	access_mode	RW
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -311,6 +329,7 @@ register CLRSEQINTSTAT {
 	field	CLRSEQ_SCSIINT	0x04
 	field	CLRSEQ_PCIINT	0x02
 	field	CLRSEQ_SPLTINT	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -320,6 +339,7 @@ register SWTIMER {
 	address			0x00E
 	access_mode	RW
 	size		2
+	dont_generate_debug_code
 }
 
 /*
@@ -330,6 +350,7 @@ register SNSCB_QOFF {
 	access_mode	RW
 	size		2
 	modes		M_CCHAN
+	dont_generate_debug_code
 }
 
 /*
@@ -340,6 +361,7 @@ register SESCB_QOFF {
 	count		2
 	access_mode	RW
 	modes		M_CCHAN
+	dont_generate_debug_code
 }
 
 /*
@@ -350,6 +372,7 @@ register SDSCB_QOFF {
 	access_mode	RW
 	modes		M_CCHAN
 	size		2
+	dont_generate_debug_code
 }
 
 /*
@@ -378,6 +401,7 @@ register QOFF_CTLSTA {
 		SCB_QSIZE_8192,
 		SCB_QSIZE_16384
 	}
+	dont_generate_debug_code
 }
 
 /*
@@ -431,6 +455,7 @@ register DSCOMMAND0 {
 	field	EXTREQLCK	0x10	/* External Request Lock */
 	field	DISABLE_TWATE	0x02	/* Rev B or greater */
 	field	CIOPARCKEN	0x01	/* Internal bus parity error enable */
+	dont_generate_debug_code
 }
 
 /*
@@ -459,6 +484,7 @@ register SG_CACHE_PRE {
 	field	SG_ADDR_MASK	0xf8
 	field	ODD_SEG		0x04
 	field	LAST_SEG	0x02
+	dont_generate_debug_code
 }
 
 register SG_CACHE_SHADOW {
@@ -491,6 +517,7 @@ register HADDR {
 	access_mode	RW
 	size		8
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -522,6 +549,7 @@ register HCNT {
 	access_mode	RW
 	size		3
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -551,6 +579,7 @@ register SGHADDR {
 	access_mode	RW
 	size		8
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -561,6 +590,7 @@ register SCBHADDR {
 	access_mode	RW
 	size		8
 	modes		M_CCHAN
+	dont_generate_debug_code
 }
 
 /*
@@ -570,6 +600,7 @@ register SGHCNT {
 	address			0x084
 	access_mode	RW
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -579,6 +610,7 @@ register SCBHCNT {
 	address			0x084
 	access_mode	RW
 	modes		M_CCHAN
+	dont_generate_debug_code
 }
 
 /*
@@ -609,6 +641,7 @@ register DFF_THRSH {
 		RD_DFTHRSH_90,
 		RD_DFTHRSH_MAX
 	}
+	dont_generate_debug_code
 }
 
 /*
@@ -817,6 +850,7 @@ register PCIXCTL {
 	field	SRSPDPEEN	0x04
 	field	TSCSERREN	0x02
 	field	CMPABCDIS	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -863,6 +897,7 @@ register DCHSPLTSTAT0 {
 	field	RXOVRUN		0x04
 	field	RXSCEMSG	0x02
 	field	RXSPLTRSP	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -908,6 +943,7 @@ register DCHSPLTSTAT1 {
 	modes		M_DFF0, M_DFF1
 	count		2
 	field	RXDATABUCKET	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1069,6 +1105,7 @@ register SGSPLTSTAT0 {
 	field	RXOVRUN		0x04
 	field	RXSCEMSG	0x02
 	field	RXSPLTRSP	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1080,6 +1117,7 @@ register SGSPLTSTAT1 {
 	modes		M_DFF0, M_DFF1
 	count		2
 	field	RXDATABUCKET	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1091,6 +1129,7 @@ register SFUNCT {
 	modes		M_CFG
 	field	TEST_GROUP	0xF0
 	field	TEST_NUM	0x0F
+	dont_generate_debug_code
 }
 
 /*
@@ -1109,6 +1148,7 @@ register DF0PCISTAT {
 	field	RDPERR		0x04
 	field	TWATERR		0x02
 	field	DPR		0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1204,6 +1244,7 @@ register TARGPCISTAT {
 	field	SSE		0x40
 	field	STA		0x08
 	field	TWATERR		0x02
+	dont_generate_debug_code
 }
 
 /*
@@ -1216,6 +1257,7 @@ register LQIN {
 	size		20
 	count		2
 	modes		M_DFF0, M_DFF1, M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -1247,6 +1289,7 @@ register LUNPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -1278,6 +1321,7 @@ register CMDLENPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1290,6 +1334,7 @@ register ATTRPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1302,6 +1347,7 @@ register FLAGPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1313,6 +1359,7 @@ register CMDPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1324,6 +1371,7 @@ register QNEXTPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1347,6 +1395,7 @@ register ABRTBYTEPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1358,6 +1407,7 @@ register ABRTBITPTR {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1398,6 +1448,7 @@ register LUNLEN {
 	count		2
 	mask		ILUNLEN	0x0F
 	mask		TLUNLEN	0xF0
+	dont_generate_debug_code
 }
 const LUNLEN_SINGLE_LEVEL_LUN 0xF
 
@@ -1410,6 +1461,7 @@ register CDBLIMIT {
 	access_mode	RW
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -1422,6 +1474,7 @@ register MAXCMD {
 	access_mode	RW
 	modes		M_CFG
 	count		9
+	dont_generate_debug_code
 }
 
 /*
@@ -1432,6 +1485,7 @@ register MAXCMDCNT {
 	address			0x033
 	access_mode	RW
 	modes		M_CFG
+	dont_generate_debug_code
 }
 
 /*
@@ -1490,6 +1544,7 @@ register LQCTL1 {
 	field	PCI2PCI		0x04
 	field	SINGLECMD	0x02
 	field	ABORTPENDING	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1508,6 +1563,7 @@ register LQCTL2 {
 	field	LQOCONTINUE	0x04
 	field	LQOTOIDLE	0x02
 	field	LQOPAUSE	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1578,6 +1634,7 @@ register SXFRCTL0 {
 	field	DFPEXP		0x40
 	field	BIOSCANCELEN	0x10
 	field	SPIOEN		0x08
+	dont_generate_debug_code
 }
 
 /*
@@ -1594,6 +1651,7 @@ register SXFRCTL1 {
 	field	ENSTIMER	0x04
 	field	ACTNEGEN	0x02
 	field	STPWEN		0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1696,6 +1754,7 @@ register SCSISIGO {
 		P_STATUS	CDO|IOO,
 		P_MESGIN	CDO|IOO|MSGO
 	}
+	dont_generate_debug_code
 }
 
 /*
@@ -1738,6 +1797,7 @@ register MULTARGID {
 	modes		M_CFG
 	size		2
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -1774,6 +1834,7 @@ register SCSIDAT {
 	access_mode	RW
 	modes		M_DFF0, M_DFF1, M_SCSI
 	size		2
+	dont_generate_debug_code
 }
 
 /*
@@ -1796,6 +1857,7 @@ register TARGIDIN {
 	count		2
 	field	CLKOUT		0x80
 	field	TARGID		0x0F
+	dont_generate_debug_code
 }
 
 /*
@@ -1825,6 +1887,7 @@ register SBLKCTL {
 	field	ENAB40		0x08	/* LVD transceiver active */
 	field	ENAB20		0x04	/* SE/HVD transceiver active */
 	field	SELWIDE		0x02
+	dont_generate_debug_code
 }
 
 /*
@@ -1842,6 +1905,7 @@ register OPTIONMODE {
 	field	ENDGFORMCHK		0x04
 	field	AUTO_MSGOUT_DE		0x02
 	mask	OPTIONMODE_DEFAULTS	AUTO_MSGOUT_DE
+	dont_generate_debug_code
 }
 
 /*
@@ -1876,6 +1940,7 @@ register CLRSINT0 {
 	field	CLROVERRUN	0x04
 	field	CLRSPIORDY	0x02
 	field	CLRARBDO	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1929,6 +1994,7 @@ register CLRSINT1 {
 	field	CLRSCSIPERR	0x04
 	field	CLRSTRB2FAST	0x02
 	field	CLRREQINIT	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -1962,6 +2028,7 @@ register CLRSINT2 {
 	field	CLRWIDE_RES	0x04	/* Modes 0 and 1 only */
 	field	CLRSDONE	0x02	/* Modes 0 and 1 only */
 	field	CLRDMADONE	0x01	/* Modes 0 and 1 only */
+	dont_generate_debug_code
 }
 
 /*
@@ -2002,6 +2069,7 @@ register LQISTATE {
 	access_mode	RO
 	modes		M_CFG
 	count		6
+	dont_generate_debug_code
 }
 
 /*
@@ -2022,6 +2090,7 @@ register LQOSTATE {
 	access_mode	RO
 	modes		M_CFG
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -2054,6 +2123,7 @@ register CLRLQIINT0 {
 	field	CLRLQIBADLQT	0x04
 	field	CLRLQIATNLQ	0x02
 	field	CLRLQIATNCMD	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2070,6 +2140,7 @@ register LQIMODE0 {
 	field	ENLQIBADLQT	0x04
 	field	ENLQIATNLQ	0x02
 	field	ENLQIATNCMD	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2106,6 +2177,7 @@ register CLRLQIINT1 {
 	field	CLRLQIBADLQI	0x04
 	field	CLRLQIOVERI_LQ	0x02
 	field	CLRLQIOVERI_NLQ	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2124,6 +2196,7 @@ register LQIMODE1 {
 	field	ENLQIBADLQI	0x04
 	field	ENLQIOVERI_LQ	0x02	/* LQIOVERI1 */
 	field	ENLQIOVERI_NLQ	0x01	/* LQIOVERI2 */
+	dont_generate_debug_code
 }
 
 /*
@@ -2165,6 +2238,7 @@ register CLRSINT3 {
 	count		3
 	field	CLRNTRAMPERR	0x02
 	field	CLROSRAMPERR	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2177,6 +2251,7 @@ register SIMODE3 {
 	count		4
 	field	ENNTRAMPERR	0x02
 	field	ENOSRAMPERR	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2207,6 +2282,7 @@ register CLRLQOINT0 {
 	field	CLRLQOATNLQ		0x04
 	field	CLRLQOATNPKT		0x02
 	field	CLRLQOTCRC		0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2222,6 +2298,7 @@ register LQOMODE0 {
 	field	ENLQOATNLQ		0x04
 	field	ENLQOATNPKT		0x02
 	field	ENLQOTCRC		0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2251,6 +2328,7 @@ register CLRLQOINT1 {
 	field	CLRLQOBADQAS		0x04
 	field	CLRLQOBUSFREE		0x02
 	field	CLRLQOPHACHGINPKT	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2266,6 +2344,7 @@ register LQOMODE1 {
 	field	ENLQOBADQAS		0x04
 	field	ENLQOBUSFREE		0x02
 	field	ENLQOPHACHGINPKT	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2289,6 +2368,7 @@ register OS_SPACE_CNT {
 	access_mode	RO
 	modes		M_CFG
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -2318,6 +2398,7 @@ register GSFIFO {
 	access_mode	RO
 	size		2
 	modes		M_DFF0, M_DFF1, M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -2341,6 +2422,7 @@ register NEXTSCB {
 	access_mode	RW
 	size		2
 	modes		M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -2357,6 +2439,7 @@ register LQOSCSCTL {
 	field		LQOBUSETDLY	0x40
 	field		LQONOHOLDLACK	0x02
 	field		LQONOCHKOVER	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2389,6 +2472,7 @@ register CLRSEQINTSRC {
 	field	CLRCFG4TSTAT	0x04
 	field	CLRCFG4ICMD	0x02
 	field	CLRCFG4TCMD	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2415,6 +2499,7 @@ register CURRSCB {
 	access_mode	RW
 	size		2
 	modes		M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -2472,6 +2557,7 @@ register LASTSCB {
 	access_mode	RW
 	size		2
 	modes		M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -2494,6 +2580,7 @@ register SHADDR {
 	access_mode	RO
 	size		8
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -2513,6 +2600,7 @@ register NEGOADDR {
 	address			0x060
 	access_mode	RW
 	modes		M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -2523,6 +2611,7 @@ register NEGPERIOD {
 	access_mode	RW
 	modes		M_SCSI
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -2543,6 +2632,7 @@ register NEGOFFSET {
 	access_mode	RW
 	modes		M_SCSI
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -2557,6 +2647,7 @@ register NEGPPROPTS {
 	field	PPROPT_QAS	0x04
 	field	PPROPT_DT	0x02
 	field	PPROPT_IUT	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2573,6 +2664,7 @@ register NEGCONOPTS {
 	field	ENAUTOATNI	0x04
 	field	ENAUTOATNO	0x02
 	field	WIDEXFER	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2583,6 +2675,7 @@ register ANNEXCOL {
 	access_mode	RW
 	modes		M_SCSI
 	count		7
+	dont_generate_debug_code
 }
 
 /*
@@ -2602,6 +2695,7 @@ register SCSCHKN {
 	field	DFFACTCLR	0x04
 	field	SHVALIDSTDIS	0x02
 	field	LSTSGCLRDIS	0x01
+	dont_generate_debug_code
 }
 
 const AHD_ANNEXCOL_PER_DEV0	4
@@ -2635,6 +2729,7 @@ register ANNEXDAT {
 	access_mode	RW
 	modes		M_SCSI
 	count		3
+	dont_generate_debug_code
 }
 
 /*
@@ -2645,6 +2740,7 @@ register IOWNID {
 	address			0x067
 	access_mode	RW
 	modes		M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -2671,6 +2767,7 @@ register TOWNID {
 	access_mode	RW
 	modes		M_SCSI
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -2702,6 +2799,7 @@ register SHCNT {
 	access_mode	RW
 	size		3
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -2789,6 +2887,7 @@ register SCBPTR {
 	access_mode	RW
 	size		2
 	modes		M_DFF0, M_DFF1, M_CCHAN, M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -2816,6 +2915,7 @@ register SCBAUTOPTR {
 	field	AUSCBPTR_EN	0x80
 	field	SCBPTR_ADDR	0x38
 	field	SCBPTR_OFF	0x07
+	dont_generate_debug_code
 }
 
 /*
@@ -2825,6 +2925,7 @@ register CCSGADDR {
 	address			0x0AC
 	access_mode	RW
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -2834,6 +2935,7 @@ register CCSCBADDR {
 	address			0x0AC
 	access_mode	RW
 	modes		M_CCHAN
+	dont_generate_debug_code
 }
 
 /*
@@ -2899,6 +3001,7 @@ register CCSGRAM {
 	address			0x0B0
 	access_mode	RW
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -2908,6 +3011,7 @@ register CCSCBRAM {
 	address			0x0B0
 	access_mode	RW
 	modes		M_CCHAN
+	dont_generate_debug_code
 }
 
 /*
@@ -2958,6 +3062,7 @@ register BRDDAT {
 	access_mode	RW
 	modes		M_SCSI
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -2974,6 +3079,7 @@ register BRDCTL {
 	field	BRDEN		0x04
 	field	BRDRW		0x02
 	field	BRDSTB		0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -2984,6 +3090,7 @@ register SEEADR {
 	access_mode	RW
 	modes		M_SCSI
 	count		4
+	dont_generate_debug_code
 }
 
 /*
@@ -2995,6 +3102,7 @@ register SEEDAT {
 	size		2
 	modes		M_SCSI
 	count		4
+	dont_generate_debug_code
 }
 
 /*
@@ -3011,6 +3119,7 @@ register SEESTAT {
 	field	SEEARBACK	0x04
 	field	SEEBUSY		0x02
 	field	SEESTART	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -3036,6 +3145,7 @@ register SEECTL {
 	mask	SEEOP_EWDS	0x40
 	field	SEERST		0x02
 	field	SEESTART	0x01
+	dont_generate_debug_code
 }
 
 const SEEOP_ERAL_ADDR	0x80
@@ -3050,6 +3160,7 @@ register SCBCNT {
 	address			0x0BF
 	access_mode	RW
 	modes		M_SCSI
+	dont_generate_debug_code
 }
 
 /*
@@ -3061,6 +3172,7 @@ register DFWADDR {
 	access_mode	RW
 	size		2
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -3087,6 +3199,7 @@ register DSPDATACTL {
 	field	DESQDIS		0x10
 	field	RCVROFFSTDIS	0x04
 	field	XMITOFFSTDIS	0x02
+	dont_generate_debug_code
 }
 
 /*
@@ -3132,6 +3245,7 @@ register DFDAT {
 	address			0x0C4
 	access_mode	RW
 	modes		M_DFF0, M_DFF1
+	dont_generate_debug_code
 }
 
 /*
@@ -3144,6 +3258,7 @@ register DSPSELECT {
 	count		1
 	field	AUTOINCEN	0x80
 	field	DSPSEL		0x1F
+	dont_generate_debug_code
 }
 
 const NUMDSPS 0x14
@@ -3158,6 +3273,7 @@ register WRTBIASCTL {
 	count		3
 	field	AUTOXBCDIS	0x80
 	field	XMITMANVAL	0x3F
+	dont_generate_debug_code
 }
 
 /*
@@ -3316,6 +3432,7 @@ register FLAGS {
 	count		23
 	field	ZERO		0x02
 	field	CARRY		0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -3344,6 +3461,7 @@ register SEQRAM {
 	address			0x0DA
 	access_mode 	RW
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -3355,6 +3473,7 @@ register PRGMCNT {
 	access_mode	RW
 	size		2
 	count		5
+	dont_generate_debug_code
 }
 
 /*
@@ -3364,6 +3483,7 @@ register ACCUM {
 	address			0x0E0
 	access_mode 	RW
 	accumulator
+	dont_generate_debug_code
 }
 
 /*
@@ -3380,6 +3500,7 @@ register SINDEX	{
 	access_mode	RW
 	size		2
 	sindex
+	dont_generate_debug_code
 }
 
 /*
@@ -3390,6 +3511,7 @@ register DINDEX {
 	address			0x0E4
 	access_mode	RW
 	size		2
+	dont_generate_debug_code
 }
 
 /*
@@ -3415,6 +3537,7 @@ register ALLONES {
 	address			0x0E8
 	access_mode RO
 	allones
+	dont_generate_debug_code
 }
 
 /*
@@ -3425,6 +3548,7 @@ register ALLZEROS {
 	address			0x0EA
 	access_mode RO
 	allzeros
+	dont_generate_debug_code
 }
 
 /*
@@ -3435,6 +3559,7 @@ register NONE {
 	address			0x0EA
 	access_mode WO
 	none
+	dont_generate_debug_code
 }
 
 /*
@@ -3445,6 +3570,7 @@ register NONE {
 register SINDIR	{
 	address			0x0EC
 	access_mode RO
+	dont_generate_debug_code
 }
 
 /*
@@ -3455,6 +3581,7 @@ register SINDIR	{
 register DINDIR	 {
 	address			0x0ED
 	access_mode WO
+	dont_generate_debug_code
 }
 
 /*
@@ -3479,6 +3606,7 @@ register FUNCTION1 {
 register STACK {
 	address			0x0F2
 	access_mode RW
+	dont_generate_debug_code
 }
 
 /*
@@ -3491,6 +3619,7 @@ register INTVEC1_ADDR {
 	size		2
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -3503,6 +3632,7 @@ register CURADDR {
 	size		2
 	modes		M_SCSI
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -3515,6 +3645,7 @@ register INTVEC2_ADDR {
 	size		2
 	modes		M_CFG
 	count		1
+	dont_generate_debug_code
 }
 
 /*
@@ -3543,12 +3674,14 @@ scratch_ram {
 	modes	0, 1, 2, 3
 	REG0 {
 		size		2
+		dont_generate_debug_code
 	}
 	REG1 {
 		size		2
 	}
 	REG_ISR {
 		size		2
+		dont_generate_debug_code
 	}
 	SG_STATE {
 		size		1
@@ -3572,9 +3705,11 @@ scratch_ram {
 	modes	0, 1, 2, 3
 	LONGJMP_ADDR {
 		size		2
+		dont_generate_debug_code
 	}
 	ACCUM_SAVE {
 		size		1
+		dont_generate_debug_code
 	}
 }
 
@@ -3591,18 +3726,22 @@ scratch_ram {
 	 */
 	WAITING_SCB_TAILS {
 		size		32
+		dont_generate_debug_code
 	}
 	WAITING_TID_HEAD {
 		size		2
+		dont_generate_debug_code
 	}
 	WAITING_TID_TAIL {
 		size		2
+		dont_generate_debug_code
 	}
 	/*
 	 * SCBID of the next SCB in the new SCB queue.
 	 */
 	NEXT_QUEUED_SCB_ADDR {
 		size		4
+		dont_generate_debug_code
 	}
 	/*
 	 * head of list of SCBs that have
@@ -3611,6 +3750,7 @@ scratch_ram {
 	 */
 	COMPLETE_SCB_HEAD {
 		size		2
+		dont_generate_debug_code
 	}
 	/*
 	 * The list of completed SCBs in
@@ -3618,6 +3758,7 @@ scratch_ram {
 	 */
 	COMPLETE_SCB_DMAINPROG_HEAD {
 		size		2
+		dont_generate_debug_code
 	}
 	/*
 	 * head of list of SCBs that have
@@ -3626,6 +3767,7 @@ scratch_ram {
 	 */
 	COMPLETE_DMA_SCB_HEAD {
 		size		2
+		dont_generate_debug_code
 	}
 	/*
 	 * tail of list of SCBs that have
@@ -3634,6 +3776,7 @@ scratch_ram {
 	 */
 	COMPLETE_DMA_SCB_TAIL {
 		size		2
+		dont_generate_debug_code
 	}
 	/*
 	 * head of list of SCBs that have
@@ -3643,6 +3786,7 @@ scratch_ram {
 	 */
 	COMPLETE_ON_QFREEZE_HEAD {
 		size		2
+		dont_generate_debug_code
 	}
 	/*
 	 * Counting semaphore to prevent new select-outs
@@ -3667,6 +3811,7 @@ scratch_ram {
 	 */
 	MSG_OUT {
 		size		1
+		dont_generate_debug_code
 	}
 	/* Parameters for DMA Logic */
 	DMAPARAMS {
@@ -3682,6 +3827,7 @@ scratch_ram {
 		field	DIRECTION	0x04	/* Set indicates PCI->SCSI */
 		field	FIFOFLUSH	0x02
 		field	FIFORESET	0x01
+		dont_generate_debug_code
 	}
 	SEQ_FLAGS {
 		size		1
@@ -3703,9 +3849,11 @@ scratch_ram {
 	 */
 	SAVED_SCSIID {
 		size		1
+		dont_generate_debug_code
 	}
 	SAVED_LUN {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * The last bus phase as seen by the sequencer. 
@@ -3733,6 +3881,7 @@ scratch_ram {
 	 */
 	QOUTFIFO_ENTRY_VALID_TAG {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * Kernel and sequencer offsets into the queue of
@@ -3742,10 +3891,12 @@ scratch_ram {
 	KERNEL_TQINPOS {
 		size		1
 		count		1
+		dont_generate_debug_code
 	}
 	TQINPOS {
 		size		1
 		count		8
+		dont_generate_debug_code
 	}
 	/*
 	 * Base address of our shared data with the kernel driver in host
@@ -3754,6 +3905,7 @@ scratch_ram {
 	 */
 	SHARED_DATA_ADDR {
 		size		4
+		dont_generate_debug_code
 	}
 	/*
 	 * Pointer to location in host memory for next
@@ -3761,6 +3913,7 @@ scratch_ram {
 	 */
 	QOUTFIFO_NEXT_ADDR {
 		size		4
+		dont_generate_debug_code
 	}
 	ARG_1 {
 		size		1
@@ -3773,11 +3926,13 @@ scratch_ram {
 		mask	CONT_MSG_LOOP_READ	0x03
 		mask	CONT_MSG_LOOP_TARG	0x02
 		alias	RETURN_1
+		dont_generate_debug_code
 	}
 	ARG_2 {
 		size		1
 		count		1
 		alias	RETURN_2
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3785,6 +3940,7 @@ scratch_ram {
 	 */
 	LAST_MSG {
 		size		1
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3801,6 +3957,7 @@ scratch_ram {
 		field	MANUALP		0x0C
 		field	ENAUTOATNP	0x02
 		field	ALTSTIM		0x01
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3809,6 +3966,7 @@ scratch_ram {
 	INITIATOR_TAG {
 		size		1
 		count		1
+		dont_generate_debug_code
 	}
 
 	SEQ_FLAGS2 {
@@ -3820,6 +3978,7 @@ scratch_ram {
 
 	ALLOCFIFO_SCBPTR {
 		size		2
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3829,6 +3988,7 @@ scratch_ram {
 	 */
 	INT_COALESCING_TIMER {
 		size		2
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3838,6 +3998,7 @@ scratch_ram {
 	 */
 	INT_COALESCING_MAXCMDS {
 		size		1
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3846,6 +4007,7 @@ scratch_ram {
 	 */
 	INT_COALESCING_MINCMDS {
 		size		1
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3853,6 +4015,7 @@ scratch_ram {
 	 */
 	CMDS_PENDING {
 		size		2
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3860,6 +4023,7 @@ scratch_ram {
 	 */
 	INT_COALESCING_CMDCOUNT {
 		size		1
+		dont_generate_debug_code
 	}
 
 	/*
@@ -3868,6 +4032,7 @@ scratch_ram {
 	 */
 	LOCAL_HS_MAILBOX {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * Target-mode CDB type to CDB length table used
@@ -3876,6 +4041,7 @@ scratch_ram {
 	CMDSIZE_TABLE {
 		size		8
 		count		8
+		dont_generate_debug_code
 	}
 	/*
 	 * When an SCB with the MK_MESSAGE flag is
@@ -3908,25 +4074,31 @@ scb {
 		size	4
 		alias	SCB_CDB_STORE
 		alias	SCB_HOST_CDB_PTR
+		dont_generate_debug_code
 	}
 	SCB_RESIDUAL_SGPTR {
 		size	4
 		field	SG_ADDR_MASK		0xf8	/* In the last byte */
 		field	SG_OVERRUN_RESID	0x02	/* In the first byte */
 		field	SG_LIST_NULL		0x01	/* In the first byte */
+		dont_generate_debug_code
 	}
 	SCB_SCSI_STATUS {
 		size	1
 		alias	SCB_HOST_CDB_LEN
+		dont_generate_debug_code
 	}
 	SCB_TARGET_PHASES {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_TARGET_DATA_DIR {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_TARGET_ITAG {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_SENSE_BUSADDR {
 		/*
@@ -3936,10 +4108,12 @@ scb {
 		 */
 		size	4
 		alias	SCB_NEXT_COMPLETE
+		dont_generate_debug_code
 	}
 	SCB_TAG {
 		alias	SCB_FIFO_USE_COUNT
 		size	2
+		dont_generate_debug_code
 	}
 	SCB_CONTROL {
 		size	1
@@ -3959,6 +4133,7 @@ scb {
 	SCB_LUN {
 		size	1
 		field	LID	0xff
+		dont_generate_debug_code
 	}
 	SCB_TASK_ATTRIBUTE {
 		size	1
@@ -3967,16 +4142,20 @@ scb {
 		 * ignore wide residue message handling.
 		 */
 		field	SCB_XFERLEN_ODD	0x01
+		dont_generate_debug_code
 	}
 	SCB_CDB_LEN {
 		size	1
 		field	SCB_CDB_LEN_PTR	0x80	/* CDB in host memory */
+		dont_generate_debug_code
 	}
 	SCB_TASK_MANAGEMENT {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_DATAPTR {
 		size	8
+		dont_generate_debug_code
 	}
 	SCB_DATACNT {
 		/*
@@ -3986,22 +4165,27 @@ scb {
 		size	4
 		field	SG_LAST_SEG		0x80	/* In the fourth byte */
 		field	SG_HIGH_ADDR_BITS	0x7F	/* In the fourth byte */
+		dont_generate_debug_code
 	}
 	SCB_SGPTR {
 		size	4
 		field	SG_STATUS_VALID	0x04	/* In the first byte */
 		field	SG_FULL_RESID	0x02	/* In the first byte */
 		field	SG_LIST_NULL	0x01	/* In the first byte */
+		dont_generate_debug_code
 	}
 	SCB_BUSADDR {
 		size	4
+		dont_generate_debug_code
 	}
 	SCB_NEXT {
 		alias	SCB_NEXT_SCB_BUSADDR
 		size	2
+		dont_generate_debug_code
 	}
 	SCB_NEXT2 {
 		size	2
+		dont_generate_debug_code
 	}
 	SCB_SPARE {
 		size	8
@@ -4009,6 +4193,7 @@ scb {
 	}
 	SCB_DISCONNECTED_LISTS {
 		size	8
+		dont_generate_debug_code
 	}
 }
 
diff --git a/drivers/scsi/aic7xxx/aic7xxx.reg b/drivers/scsi/aic7xxx/aic7xxx.reg
index 0d2f763c342..9a96e55da39 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.reg
+++ b/drivers/scsi/aic7xxx/aic7xxx.reg
@@ -50,6 +50,17 @@ VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#40 $"
  * Adaptec's Technical Documents Department 1-800-934-2766
  */
 
+/*
+ * Registers marked "dont_generate_debug_code" are not (yet) referenced
+ * from the driver code, and this keyword inhibit generation
+ * of debug code for them.
+ *
+ * REG_PRETTY_PRINT config will complain if dont_generate_debug_code
+ * is added to the register which is referenced in the driver.
+ * Unreferenced register with no dont_generate_debug_code will result
+ * in dead code. No warning is issued.
+ */
+
 /*
  * SCSI Sequence Control (p. 3-11).
  * Each bit, when set starts a specific SCSI sequence on the bus
@@ -97,6 +108,7 @@ register SXFRCTL1 {
 	field	ENSTIMER	0x04
 	field	ACTNEGEN	0x02
 	field	STPWEN		0x01	/* Powered Termination */
+	dont_generate_debug_code
 }
 
 /*
@@ -155,6 +167,7 @@ register SCSISIGO {
 	mask	P_MESGOUT	CDI|MSGI
 	mask	P_STATUS	CDI|IOI
 	mask	P_MESGIN	CDI|IOI|MSGI
+	dont_generate_debug_code
 }
 
 /* 
@@ -194,6 +207,7 @@ register SCSIID	{
 	 */
 	alias	SCSIOFFSET
 	mask	SOFS_ULTRA2	0x7f		/* Sync offset U2 chips */
+	dont_generate_debug_code
 }
 
 /*
@@ -205,6 +219,7 @@ register SCSIID	{
 register SCSIDATL {
 	address			0x006
 	access_mode RW
+	dont_generate_debug_code
 }
 
 register SCSIDATH {
@@ -223,6 +238,7 @@ register STCNT {
 	address			0x008
 	size	3
 	access_mode RW
+	dont_generate_debug_code
 }
 
 /* ALT_MODE registers (Ultra2 and Ultra160 chips) */
@@ -248,6 +264,7 @@ register OPTIONMODE {
 	field	AUTO_MSGOUT_DE		0x02
 	field	DIS_MSGIN_DUALEDGE	0x01
 	mask	OPTIONMODE_DEFAULTS	AUTO_MSGOUT_DE|DIS_MSGIN_DUALEDGE
+	dont_generate_debug_code
 }
 
 /* ALT_MODE register on Ultra160 chips */
@@ -256,6 +273,7 @@ register TARGCRCCNT {
 	size	2
 	access_mode RW
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -271,6 +289,7 @@ register CLRSINT0 {
 	field	CLRSWRAP	0x08
 	field	CLRIOERR	0x08	/* Ultra2 Only */
 	field	CLRSPIORDY	0x02
+	dont_generate_debug_code
 }
 
 /*
@@ -306,6 +325,7 @@ register CLRSINT1 {
 	field	CLRSCSIPERR	0x04
 	field	CLRPHASECHG	0x02
 	field	CLRREQINIT	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -360,6 +380,7 @@ register SCSIID_ULTRA2 {
 	access_mode RW
 	mask	TID		0xf0		/* Target ID mask */
 	mask	OID		0x0f		/* Our ID mask */
+	dont_generate_debug_code
 }
 
 /*
@@ -425,6 +446,7 @@ register SHADDR {
 	address			0x014
 	size	4
 	access_mode RO
+	dont_generate_debug_code
 }
 
 /*
@@ -441,6 +463,7 @@ register SELTIMER {
 	field	STAGE2		0x02
 	field	STAGE1		0x01
 	alias	TARGIDIN
+	dont_generate_debug_code
 }
 
 /*
@@ -453,6 +476,7 @@ register SELID {
 	access_mode RW
 	mask	SELID_MASK	0xf0
 	field	ONEBIT		0x08
+	dont_generate_debug_code
 }
 
 register SCAMCTL {
@@ -473,6 +497,7 @@ register TARGID {
 	size			2
 	access_mode RW
 	count		14
+	dont_generate_debug_code
 }
 
 /*
@@ -495,6 +520,7 @@ register SPIOCAP {
 	field	EEPROM		0x04	/* Writable external BIOS ROM */
 	field	ROM		0x02	/* Logic for accessing external ROM */
 	field	SSPIOCPS	0x01	/* Termination and cable detection */
+	dont_generate_debug_code
 }
 
 register BRDCTL	{
@@ -514,6 +540,7 @@ register BRDCTL	{
 	field	BRDDAT2		0x04
 	field	BRDRW_ULTRA2	0x02
 	field	BRDSTB_ULTRA2	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -551,6 +578,7 @@ register SEECTL {
 	field	SEECK		0x04
 	field	SEEDO		0x02
 	field	SEEDI		0x01
+	dont_generate_debug_code
 }
 /*
  * SCSI Block Control (p. 3-32)
@@ -601,6 +629,7 @@ register SEQRAM {
 	address			0x061
 	access_mode RW
 	count		2
+	dont_generate_debug_code
 }
 
 /*
@@ -610,6 +639,7 @@ register SEQRAM {
 register SEQADDR0 {
 	address			0x062
 	access_mode RW
+	dont_generate_debug_code
 }
 
 register SEQADDR1 {
@@ -617,6 +647,7 @@ register SEQADDR1 {
 	access_mode RW
 	count		8
 	mask	SEQADDR1_MASK	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -627,35 +658,41 @@ register ACCUM {
 	address			0x064
 	access_mode RW
 	accumulator
+	dont_generate_debug_code
 }
 
 register SINDEX	{
 	address			0x065
 	access_mode RW
 	sindex
+	dont_generate_debug_code
 }
 
 register DINDEX {
 	address			0x066
 	access_mode RW
+	dont_generate_debug_code
 }
 
 register ALLONES {
 	address			0x069
 	access_mode RO
 	allones
+	dont_generate_debug_code
 }
 
 register ALLZEROS {
 	address			0x06a
 	access_mode RO
 	allzeros
+	dont_generate_debug_code
 }
 
 register NONE {
 	address			0x06a
 	access_mode WO
 	none
+	dont_generate_debug_code
 }
 
 register FLAGS {
@@ -664,16 +701,19 @@ register FLAGS {
 	count		18
 	field	ZERO		0x02
 	field	CARRY		0x01
+	dont_generate_debug_code
 }
 
 register SINDIR	{
 	address			0x06c
 	access_mode RO
+	dont_generate_debug_code
 }
 
 register DINDIR	 {
 	address			0x06d
 	access_mode WO
+	dont_generate_debug_code
 }
 
 register FUNCTION1 {
@@ -685,6 +725,7 @@ register STACK {
 	address			0x06f
 	access_mode RO
 	count		5
+	dont_generate_debug_code
 }
 
 const	STACK_SIZE	4
@@ -716,6 +757,7 @@ register DSCOMMAND0 {
 	field	RAMPS		0x04	/* External SCB RAM Present */
 	field	USCBSIZE32	0x02	/* Use 32byte SCB Page Size */
 	field	CIOPARCKEN	0x01	/* Internal bus parity error enable */
+	dont_generate_debug_code
 }
 
 register DSCOMMAND1 {
@@ -724,6 +766,7 @@ register DSCOMMAND1 {
 	mask	DSLATT		0xfc	/* PCI latency timer (non-ultra2) */
 	field	HADDLDSEL1	0x02	/* Host Address Load Select Bits */
 	field	HADDLDSEL0	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -735,6 +778,7 @@ register BUSTIME {
 	count		2
 	mask	BOFF		0xf0
 	mask	BON		0x0f
+	dont_generate_debug_code
 }
 
 /*
@@ -749,6 +793,7 @@ register BUSSPD {
 	mask	STBON		0x07
 	mask	DFTHRSH_100	0xc0
 	mask	DFTHRSH_75	0x80
+	dont_generate_debug_code
 }
 
 /* aic7850/55/60/70/80/95 only */
@@ -756,6 +801,7 @@ register DSPCISTATUS {
 	address			0x086
 	count		4
 	mask	DFTHRSH_100	0xc0
+	dont_generate_debug_code
 }
 
 /* aic7890/91/96/97 only */
@@ -764,6 +810,7 @@ register HS_MAILBOX {
 	mask	HOST_MAILBOX	0xF0
 	mask	SEQ_MAILBOX	0x0F
 	mask	HOST_TQINPOS	0x80	/* Boundary at either 0 or 128 */
+	dont_generate_debug_code
 }
 
 const	HOST_MAILBOX_SHIFT	4
@@ -784,6 +831,7 @@ register HCNTRL {
 	field	INTEN		0x02
 	field	CHIPRST		0x01
 	field	CHIPRSTACK	0x01
+	dont_generate_debug_code
 }
 
 /*
@@ -795,12 +843,14 @@ register HADDR {
 	address			0x088
 	size	4
 	access_mode RW
+	dont_generate_debug_code
 }
 
 register HCNT {
 	address			0x08c
 	size	3
 	access_mode RW
+	dont_generate_debug_code
 }
 
 /*
@@ -810,6 +860,7 @@ register HCNT {
 register SCBPTR {
 	address			0x090
 	access_mode RW
+	dont_generate_debug_code
 }
 
 /*
@@ -878,6 +929,7 @@ register INTSTAT {
 
 	mask	SEQINT_MASK	0xf0|SEQINT	/* SEQINT Status Codes */
 	mask	INT_PEND  (BRKADRINT|SEQINT|SCSIINT|CMDCMPLT)
+	dont_generate_debug_code
 }
 
 /*
@@ -911,6 +963,7 @@ register CLRINT {
 	field	CLRSCSIINT      0x04
 	field	CLRCMDINT 	0x02
 	field	CLRSEQINT 	0x01
+	dont_generate_debug_code
 }
 
 register DFCNTRL {
@@ -944,6 +997,7 @@ register DFSTATUS {
 register DFWADDR {
 	address			0x95
 	access_mode RW
+	dont_generate_debug_code
 }
 
 register DFRADDR {
@@ -954,6 +1008,7 @@ register DFRADDR {
 register DFDAT {
 	address			0x099
 	access_mode RW
+	dont_generate_debug_code
 }
 
 /*
@@ -967,6 +1022,7 @@ register SCBCNT {
 	count		1
 	field	SCBAUTO		0x80
 	mask	SCBCNT_MASK	0x1f
+	dont_generate_debug_code
 }
 
 /*
@@ -977,6 +1033,7 @@ register QINFIFO {
 	address			0x09b
 	access_mode RW
 	count		12
+	dont_generate_debug_code
 }
 
 /*
@@ -996,6 +1053,7 @@ register QOUTFIFO {
 	address			0x09d
 	access_mode WO
 	count		7
+	dont_generate_debug_code
 }
 
 register CRCCONTROL1 {
@@ -1008,6 +1066,7 @@ register CRCCONTROL1 {
 	field	CRCREQCHKEN		0x10
 	field	TARGCRCENDEN		0x08
 	field	TARGCRCCNTEN		0x04
+	dont_generate_debug_code
 }
 
 
@@ -1040,6 +1099,7 @@ register SFUNCT {
 	access_mode RW
 	count	    4
 	field	ALT_MODE	0x80
+	dont_generate_debug_code
 }
 
 /*
@@ -1053,24 +1113,31 @@ scb {
 		size	4
 		alias	SCB_RESIDUAL_DATACNT
 		alias	SCB_CDB_STORE
+		dont_generate_debug_code
 	}
 	SCB_RESIDUAL_SGPTR {
 		size	4
+		dont_generate_debug_code
 	}
 	SCB_SCSI_STATUS {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_TARGET_PHASES {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_TARGET_DATA_DIR {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_TARGET_ITAG {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_DATAPTR {
 		size	4
+		dont_generate_debug_code
 	}
 	SCB_DATACNT {
 		/*
@@ -1080,12 +1147,14 @@ scb {
 		size	4
 		field	SG_LAST_SEG		0x80	/* In the fourth byte */
 		mask	SG_HIGH_ADDR_BITS	0x7F	/* In the fourth byte */
+		dont_generate_debug_code
 	}
 	SCB_SGPTR {
 		size	4
 		field	SG_RESID_VALID	0x04	/* In the first byte */
 		field	SG_FULL_RESID	0x02	/* In the first byte */
 		field	SG_LIST_NULL	0x01	/* In the first byte */
+		dont_generate_debug_code
 	}
 	SCB_CONTROL {
 		size	1
@@ -1115,22 +1184,27 @@ scb {
 	}
 	SCB_CDB_LEN {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_SCSIRATE {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_SCSIOFFSET {
 		size	1
 		count	1
+		dont_generate_debug_code
 	}
 	SCB_NEXT {
 		size	1
+		dont_generate_debug_code
 	}
 	SCB_64_SPARE {
 		size	16
 	}
 	SCB_64_BTT {
 		size	16
+		dont_generate_debug_code
 	}
 }
 
@@ -1149,6 +1223,7 @@ register SEECTL_2840 {
 	field	CS_2840		0x04
 	field	CK_2840		0x02
 	field	DO_2840		0x01
+	dont_generate_debug_code
 }
 
 register STATUS_2840 {
@@ -1159,6 +1234,7 @@ register STATUS_2840 {
 	mask	BIOS_SEL	0x60
 	mask	ADSEL		0x1e
 	field	DI_2840		0x01
+	dont_generate_debug_code
 }
 
 /* --------------------- AIC-7870-only definitions -------------------- */
@@ -1166,18 +1242,22 @@ register STATUS_2840 {
 register CCHADDR {
 	address			0x0E0
 	size 8
+	dont_generate_debug_code
 }
 
 register CCHCNT {
 	address			0x0E8
+	dont_generate_debug_code
 }
 
 register CCSGRAM {
 	address			0x0E9
+	dont_generate_debug_code
 }
 
 register CCSGADDR {
 	address			0x0EA
+	dont_generate_debug_code
 }
 
 register CCSGCTL {
@@ -1186,11 +1266,13 @@ register CCSGCTL {
 	field	CCSGEN		0x08
 	field	SG_FETCH_NEEDED 0x02	/* Bit used for software state */
 	field	CCSGRESET	0x01
+	dont_generate_debug_code
 }
 
 register CCSCBCNT {
 	address			0xEF
 	count		1
+	dont_generate_debug_code
 }
 
 register CCSCBCTL {
@@ -1201,14 +1283,17 @@ register CCSCBCTL {
 	field	CCSCBEN		0x08
 	field	CCSCBDIR	0x04
 	field	CCSCBRESET	0x01
+	dont_generate_debug_code
 }
 
 register CCSCBADDR {
 	address			0x0ED
+	dont_generate_debug_code
 }
 
 register CCSCBRAM {
 	address			0xEC
+	dont_generate_debug_code
 }
 
 /*
@@ -1218,23 +1303,28 @@ register SCBBADDR {
 	address			0x0F0
 	access_mode RW
 	count		3
+	dont_generate_debug_code
 }
 
 register CCSCBPTR {
 	address			0x0F1
+	dont_generate_debug_code
 }
 
 register HNSCB_QOFF {
 	address			0x0F4
 	count		4
+	dont_generate_debug_code
 }
 
 register SNSCB_QOFF {
 	address			0x0F6
+	dont_generate_debug_code
 }
 
 register SDSCB_QOFF {
 	address			0x0F8
+	dont_generate_debug_code
 }
 
 register QOFF_CTLSTA {
@@ -1244,6 +1334,7 @@ register QOFF_CTLSTA {
 	field	SDSCB_ROLLOVER	0x10
 	mask	SCB_QSIZE	0x07
 	mask	SCB_QSIZE_256	0x06
+	dont_generate_debug_code
 }
 
 register DFF_THRSH {
@@ -1267,6 +1358,7 @@ register DFF_THRSH {
 	mask	WR_DFTHRSH_90	0x60
 	mask	WR_DFTHRSH_MAX	0x70
 	count	4
+	dont_generate_debug_code
 }
 
 register SG_CACHE_PRE {
@@ -1275,6 +1367,7 @@ register SG_CACHE_PRE {
 	mask	SG_ADDR_MASK	0xf8
 	field	LAST_SEG	0x02
 	field	LAST_SEG_DONE	0x01
+	dont_generate_debug_code
 }
 
 register SG_CACHE_SHADOW {
@@ -1283,6 +1376,7 @@ register SG_CACHE_SHADOW {
 	mask	SG_ADDR_MASK	0xf8
 	field	LAST_SEG	0x02
 	field	LAST_SEG_DONE	0x01
+	dont_generate_debug_code
 }
 /* ---------------------- Scratch RAM Offsets ------------------------- */
 /* These offsets are either to values that are initialized by the board's
@@ -1309,6 +1403,7 @@ scratch_ram {
 	BUSY_TARGETS {
 		alias		TARG_SCSIRATE
 		size		16
+		dont_generate_debug_code
 	}
 	/*
 	 * Bit vector of targets that have ULTRA enabled as set by
@@ -1321,6 +1416,7 @@ scratch_ram {
 		alias		CMDSIZE_TABLE
 		size		2
 		count		2
+		dont_generate_debug_code
 	}
 	/*
 	 * Bit vector of targets that have disconnection disabled as set by
@@ -1331,6 +1427,7 @@ scratch_ram {
 	DISC_DSB {
 		size		2
 		count		6
+		dont_generate_debug_code
 	}
 	CMDSIZE_TABLE_TAIL {
 		size		4
@@ -1341,12 +1438,14 @@ scratch_ram {
 	 */
 	MWI_RESIDUAL {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * SCBID of the next SCB to be started by the controller.
 	 */
 	NEXT_QUEUED_SCB {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * Single byte buffer used to designate the type or message
@@ -1354,6 +1453,7 @@ scratch_ram {
 	 */
 	MSG_OUT {
 		size		1
+		dont_generate_debug_code
 	}
 	/* Parameters for DMA Logic */
 	DMAPARAMS {
@@ -1369,6 +1469,7 @@ scratch_ram {
 		field	DIRECTION	0x04	/* Set indicates PCI->SCSI */
 		field	FIFOFLUSH	0x02
 		field	FIFORESET	0x01
+		dont_generate_debug_code
 	}
 	SEQ_FLAGS {
 		size		1
@@ -1390,9 +1491,11 @@ scratch_ram {
 	 */
 	SAVED_SCSIID {
 		size		1
+		dont_generate_debug_code
 	}
 	SAVED_LUN {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * The last bus phase as seen by the sequencer. 
@@ -1417,6 +1520,7 @@ scratch_ram {
 	 */
 	WAITING_SCBH {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * head of list of SCBs that are
@@ -1425,6 +1529,7 @@ scratch_ram {
 	 */
 	DISCONNECTED_SCBH {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * head of list of SCBs that are
@@ -1432,6 +1537,7 @@ scratch_ram {
 	 */
 	FREE_SCBH {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * head of list of SCBs that have
@@ -1446,6 +1552,7 @@ scratch_ram {
 	 */
 	HSCB_ADDR {
 		size		4
+		dont_generate_debug_code
 	}
 	/*
 	 * Base address of our shared data with the kernel driver in host
@@ -1454,15 +1561,19 @@ scratch_ram {
 	 */
 	SHARED_DATA_ADDR {
 		size		4
+		dont_generate_debug_code
 	}
 	KERNEL_QINPOS {
 		size		1
+		dont_generate_debug_code
 	}
 	QINPOS {
 		size		1
+		dont_generate_debug_code
 	}
 	QOUTPOS {
 		size		1
+		dont_generate_debug_code
 	}
 	/*
 	 * Kernel and sequencer offsets into the queue of
@@ -1471,9 +1582,11 @@ scratch_ram {
 	 */
 	KERNEL_TQINPOS {
 		size		1
+		dont_generate_debug_code
 	}
 	TQINPOS {
 		size		1
+		dont_generate_debug_code
 	}
 	ARG_1 {
 		size		1
@@ -1486,10 +1599,12 @@ scratch_ram {
 		mask	CONT_MSG_LOOP		0x04
 		mask	CONT_TARG_SESSION	0x02
 		alias	RETURN_1
+		dont_generate_debug_code
 	}
 	ARG_2 {
 		size		1
 		alias	RETURN_2
+		dont_generate_debug_code
 	}
 
 	/*
@@ -1498,6 +1613,7 @@ scratch_ram {
 	LAST_MSG {
 		size		1
 		alias	TARG_IMMEDIATE_SCB
+		dont_generate_debug_code
 	}
 
 	/*
@@ -1513,6 +1629,7 @@ scratch_ram {
 		field	ENAUTOATNO	0x08
 		field	ENAUTOATNI	0x04
 		field	ENAUTOATNP	0x02
+		dont_generate_debug_code
 	}
 }
 
@@ -1533,12 +1650,14 @@ scratch_ram {
 		field	HA_274_EXTENDED_TRANS	0x01
 		alias	INITIATOR_TAG
 		count		1
+		dont_generate_debug_code
 	}
 
 	SEQ_FLAGS2 {
 		size	1
 		field	SCB_DMA			0x01
 		field	TARGET_MSG_PENDING	0x02
+		dont_generate_debug_code
 	}
 }
 
@@ -1562,6 +1681,7 @@ scratch_ram {
 		field	ENSPCHK		0x20
 		mask	HSCSIID		0x07	/* our SCSI ID */
 		mask	HWSCSIID	0x0f	/* our SCSI ID if Wide Bus */
+		dont_generate_debug_code
 	}
 	INTDEF {
 		address		0x05c
@@ -1569,11 +1689,13 @@ scratch_ram {
 		count		1
 		field	EDGE_TRIG	0x80
 		mask	VECTOR		0x0f
+		dont_generate_debug_code
 	}
 	HOSTCONF {
 		address		0x05d
 		size		1
 		count		1
+		dont_generate_debug_code
 	}
 	HA_274_BIOSCTRL	{
 		address		0x05f
@@ -1582,6 +1704,7 @@ scratch_ram {
 		mask	BIOSMODE		0x30
 		mask	BIOSDISABLED		0x30	
 		field	CHANNEL_B_PRIMARY	0x08
+		dont_generate_debug_code
 	}
 }
 
@@ -1595,6 +1718,7 @@ scratch_ram {
 	TARG_OFFSET {
 		size		16
 		count		1
+		dont_generate_debug_code
 	}
 }
 
-- 
GitLab


From 060ae855a836d3ed3359faa13874e92caaa34763 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Mon, 22 Sep 2008 14:56:42 -0700
Subject: [PATCH 2178/2224] [SCSI] aic7xxx: update *_shipped files

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/aic7xxx/aic79xx_reg.h_shipped    |  567 ++---
 .../scsi/aic7xxx/aic79xx_reg_print.c_shipped  | 1981 ++---------------
 drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped    |  875 --------
 .../scsi/aic7xxx/aic7xxx_reg_print.c_shipped  | 1337 +----------
 4 files changed, 348 insertions(+), 4412 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped b/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped
index c21ceab8e91..cdcead071ef 100644
--- a/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped
+++ b/drivers/scsi/aic7xxx/aic79xx_reg.h_shipped
@@ -33,13 +33,6 @@ ahd_reg_print_t ahd_seqintcode_print;
     ahd_print_register(NULL, 0, "SEQINTCODE", 0x02, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrint_print;
-#else
-#define ahd_clrint_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "CLRINT", 0x03, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_error_print;
 #else
@@ -47,20 +40,6 @@ ahd_reg_print_t ahd_error_print;
     ahd_print_register(NULL, 0, "ERROR", 0x04, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_hcntrl_print;
-#else
-#define ahd_hcntrl_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "HCNTRL", 0x05, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_hnscb_qoff_print;
-#else
-#define ahd_hnscb_qoff_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "HNSCB_QOFF", 0x06, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_hescb_qoff_print;
 #else
@@ -96,13 +75,6 @@ ahd_reg_print_t ahd_swtimer_print;
     ahd_print_register(NULL, 0, "SWTIMER", 0x0e, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_snscb_qoff_print;
-#else
-#define ahd_snscb_qoff_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SNSCB_QOFF", 0x10, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_sescb_qoff_print;
 #else
@@ -110,20 +82,6 @@ ahd_reg_print_t ahd_sescb_qoff_print;
     ahd_print_register(NULL, 0, "SESCB_QOFF", 0x12, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sdscb_qoff_print;
-#else
-#define ahd_sdscb_qoff_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SDSCB_QOFF", 0x14, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_qoff_ctlsta_print;
-#else
-#define ahd_qoff_ctlsta_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "QOFF_CTLSTA", 0x16, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_intctl_print;
 #else
@@ -138,13 +96,6 @@ ahd_reg_print_t ahd_dfcntrl_print;
     ahd_print_register(NULL, 0, "DFCNTRL", 0x19, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dscommand0_print;
-#else
-#define ahd_dscommand0_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "DSCOMMAND0", 0x19, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_dfstatus_print;
 #else
@@ -159,13 +110,6 @@ ahd_reg_print_t ahd_sg_cache_shadow_print;
     ahd_print_register(NULL, 0, "SG_CACHE_SHADOW", 0x1b, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sg_cache_pre_print;
-#else
-#define ahd_sg_cache_pre_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SG_CACHE_PRE", 0x1b, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_lqin_print;
 #else
@@ -292,13 +236,6 @@ ahd_reg_print_t ahd_sxfrctl0_print;
     ahd_print_register(NULL, 0, "SXFRCTL0", 0x3c, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sxfrctl1_print;
-#else
-#define ahd_sxfrctl1_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SXFRCTL1", 0x3d, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_dffstat_print;
 #else
@@ -313,13 +250,6 @@ ahd_reg_print_t ahd_multargid_print;
     ahd_print_register(NULL, 0, "MULTARGID", 0x40, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scsisigo_print;
-#else
-#define ahd_scsisigo_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SCSISIGO", 0x40, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_scsisigi_print;
 #else
@@ -362,13 +292,6 @@ ahd_reg_print_t ahd_selid_print;
     ahd_print_register(NULL, 0, "SELID", 0x49, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_optionmode_print;
-#else
-#define ahd_optionmode_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "OPTIONMODE", 0x4a, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_sblkctl_print;
 #else
@@ -390,13 +313,6 @@ ahd_reg_print_t ahd_simode0_print;
     ahd_print_register(NULL, 0, "SIMODE0", 0x4b, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrsint0_print;
-#else
-#define ahd_clrsint0_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "CLRSINT0", 0x4b, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_sstat1_print;
 #else
@@ -404,13 +320,6 @@ ahd_reg_print_t ahd_sstat1_print;
     ahd_print_register(NULL, 0, "SSTAT1", 0x4c, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrsint1_print;
-#else
-#define ahd_clrsint1_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "CLRSINT1", 0x4c, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_sstat2_print;
 #else
@@ -461,17 +370,17 @@ ahd_reg_print_t ahd_lqistat0_print;
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_lqimode0_print;
+ahd_reg_print_t ahd_clrlqiint0_print;
 #else
-#define ahd_lqimode0_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "LQIMODE0", 0x50, regvalue, cur_col, wrap)
+#define ahd_clrlqiint0_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "CLRLQIINT0", 0x50, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_clrlqiint0_print;
+ahd_reg_print_t ahd_lqimode0_print;
 #else
-#define ahd_clrlqiint0_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "CLRLQIINT0", 0x50, regvalue, cur_col, wrap)
+#define ahd_lqimode0_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "LQIMODE0", 0x50, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
@@ -629,17 +538,17 @@ ahd_reg_print_t ahd_seqintsrc_print;
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_seqimode_print;
+ahd_reg_print_t ahd_currscb_print;
 #else
-#define ahd_seqimode_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SEQIMODE", 0x5c, regvalue, cur_col, wrap)
+#define ahd_currscb_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "CURRSCB", 0x5c, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_currscb_print;
+ahd_reg_print_t ahd_seqimode_print;
 #else
-#define ahd_currscb_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "CURRSCB", 0x5c, regvalue, cur_col, wrap)
+#define ahd_seqimode_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "SEQIMODE", 0x5c, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
@@ -656,13 +565,6 @@ ahd_reg_print_t ahd_lastscb_print;
     ahd_print_register(NULL, 0, "LASTSCB", 0x5e, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_shaddr_print;
-#else
-#define ahd_shaddr_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SHADDR", 0x60, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_negoaddr_print;
 #else
@@ -747,27 +649,6 @@ ahd_reg_print_t ahd_seloid_print;
     ahd_print_register(NULL, 0, "SELOID", 0x6b, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_haddr_print;
-#else
-#define ahd_haddr_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "HADDR", 0x70, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_hcnt_print;
-#else
-#define ahd_hcnt_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "HCNT", 0x78, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sghaddr_print;
-#else
-#define ahd_sghaddr_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SGHADDR", 0x7c, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_scbhaddr_print;
 #else
@@ -776,10 +657,10 @@ ahd_reg_print_t ahd_scbhaddr_print;
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sghcnt_print;
+ahd_reg_print_t ahd_sghaddr_print;
 #else
-#define ahd_sghcnt_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SGHCNT", 0x84, regvalue, cur_col, wrap)
+#define ahd_sghaddr_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "SGHADDR", 0x7c, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
@@ -790,10 +671,10 @@ ahd_reg_print_t ahd_scbhcnt_print;
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dff_thrsh_print;
+ahd_reg_print_t ahd_sghcnt_print;
 #else
-#define ahd_dff_thrsh_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "DFF_THRSH", 0x88, regvalue, cur_col, wrap)
+#define ahd_sghcnt_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "SGHCNT", 0x84, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
@@ -866,13 +747,6 @@ ahd_reg_print_t ahd_targpcistat_print;
     ahd_print_register(NULL, 0, "TARGPCISTAT", 0xa7, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scbptr_print;
-#else
-#define ahd_scbptr_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SCBPTR", 0xa8, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_scbautoptr_print;
 #else
@@ -880,13 +754,6 @@ ahd_reg_print_t ahd_scbautoptr_print;
     ahd_print_register(NULL, 0, "SCBAUTOPTR", 0xab, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_ccsgaddr_print;
-#else
-#define ahd_ccsgaddr_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "CCSGADDR", 0xac, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_ccscbaddr_print;
 #else
@@ -908,13 +775,6 @@ ahd_reg_print_t ahd_ccsgctl_print;
     ahd_print_register(NULL, 0, "CCSGCTL", 0xad, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_ccsgram_print;
-#else
-#define ahd_ccsgram_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "CCSGRAM", 0xb0, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_ccscbram_print;
 #else
@@ -929,13 +789,6 @@ ahd_reg_print_t ahd_brddat_print;
     ahd_print_register(NULL, 0, "BRDDAT", 0xb8, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_brdctl_print;
-#else
-#define ahd_brdctl_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "BRDCTL", 0xb9, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_seeadr_print;
 #else
@@ -971,13 +824,6 @@ ahd_reg_print_t ahd_dspdatactl_print;
     ahd_print_register(NULL, 0, "DSPDATACTL", 0xc1, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dfdat_print;
-#else
-#define ahd_dfdat_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "DFDAT", 0xc4, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_dspselect_print;
 #else
@@ -999,13 +845,6 @@ ahd_reg_print_t ahd_seqctl0_print;
     ahd_print_register(NULL, 0, "SEQCTL0", 0xd6, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_flags_print;
-#else
-#define ahd_flags_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "FLAGS", 0xd8, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_seqintctl_print;
 #else
@@ -1013,13 +852,6 @@ ahd_reg_print_t ahd_seqintctl_print;
     ahd_print_register(NULL, 0, "SEQINTCTL", 0xd9, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_seqram_print;
-#else
-#define ahd_seqram_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SEQRAM", 0xda, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_prgmcnt_print;
 #else
@@ -1027,41 +859,6 @@ ahd_reg_print_t ahd_prgmcnt_print;
     ahd_print_register(NULL, 0, "PRGMCNT", 0xde, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_accum_print;
-#else
-#define ahd_accum_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "ACCUM", 0xe0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sindex_print;
-#else
-#define ahd_sindex_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SINDEX", 0xe2, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dindex_print;
-#else
-#define ahd_dindex_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "DINDEX", 0xe4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_allones_print;
-#else
-#define ahd_allones_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "ALLONES", 0xe8, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_allzeros_print;
-#else
-#define ahd_allzeros_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "ALLZEROS", 0xea, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_none_print;
 #else
@@ -1069,27 +866,6 @@ ahd_reg_print_t ahd_none_print;
     ahd_print_register(NULL, 0, "NONE", 0xea, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sindir_print;
-#else
-#define ahd_sindir_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SINDIR", 0xec, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dindir_print;
-#else
-#define ahd_dindir_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "DINDIR", 0xed, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_stack_print;
-#else
-#define ahd_stack_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "STACK", 0xf2, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_intvec1_addr_print;
 #else
@@ -1126,17 +902,17 @@ ahd_reg_print_t ahd_accum_save_print;
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_sram_base_print;
+ahd_reg_print_t ahd_waiting_scb_tails_print;
 #else
-#define ahd_sram_base_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SRAM_BASE", 0x100, regvalue, cur_col, wrap)
+#define ahd_waiting_scb_tails_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "WAITING_SCB_TAILS", 0x100, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_waiting_scb_tails_print;
+ahd_reg_print_t ahd_sram_base_print;
 #else
-#define ahd_waiting_scb_tails_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "WAITING_SCB_TAILS", 0x100, regvalue, cur_col, wrap)
+#define ahd_sram_base_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "SRAM_BASE", 0x100, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
@@ -1223,13 +999,6 @@ ahd_reg_print_t ahd_msg_out_print;
     ahd_print_register(NULL, 0, "MSG_OUT", 0x137, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_dmaparams_print;
-#else
-#define ahd_dmaparams_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "DMAPARAMS", 0x138, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_seq_flags_print;
 #else
@@ -1237,20 +1006,6 @@ ahd_reg_print_t ahd_seq_flags_print;
     ahd_print_register(NULL, 0, "SEQ_FLAGS", 0x139, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_saved_scsiid_print;
-#else
-#define ahd_saved_scsiid_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SAVED_SCSIID", 0x13a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_saved_lun_print;
-#else
-#define ahd_saved_lun_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SAVED_LUN", 0x13b, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_lastphase_print;
 #else
@@ -1272,20 +1027,6 @@ ahd_reg_print_t ahd_kernel_tqinpos_print;
     ahd_print_register(NULL, 0, "KERNEL_TQINPOS", 0x13e, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_tqinpos_print;
-#else
-#define ahd_tqinpos_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "TQINPOS", 0x13f, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_shared_data_addr_print;
-#else
-#define ahd_shared_data_addr_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SHARED_DATA_ADDR", 0x140, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_qoutfifo_next_addr_print;
 #else
@@ -1293,20 +1034,6 @@ ahd_reg_print_t ahd_qoutfifo_next_addr_print;
     ahd_print_register(NULL, 0, "QOUTFIFO_NEXT_ADDR", 0x144, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_arg_1_print;
-#else
-#define ahd_arg_1_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "ARG_1", 0x148, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_arg_2_print;
-#else
-#define ahd_arg_2_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "ARG_2", 0x149, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_last_msg_print;
 #else
@@ -1405,13 +1132,6 @@ ahd_reg_print_t ahd_mk_message_scsiid_print;
     ahd_print_register(NULL, 0, "MK_MESSAGE_SCSIID", 0x162, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_residual_datacnt_print;
-#else
-#define ahd_scb_residual_datacnt_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SCB_RESIDUAL_DATACNT", 0x180, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_scb_base_print;
 #else
@@ -1420,17 +1140,10 @@ ahd_reg_print_t ahd_scb_base_print;
 #endif
 
 #if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_residual_sgptr_print;
-#else
-#define ahd_scb_residual_sgptr_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SCB_RESIDUAL_SGPTR", 0x184, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_scsi_status_print;
+ahd_reg_print_t ahd_scb_residual_datacnt_print;
 #else
-#define ahd_scb_scsi_status_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SCB_SCSI_STATUS", 0x188, regvalue, cur_col, wrap)
+#define ahd_scb_residual_datacnt_print(regvalue, cur_col, wrap) \
+    ahd_print_register(NULL, 0, "SCB_RESIDUAL_DATACNT", 0x180, regvalue, cur_col, wrap)
 #endif
 
 #if AIC_DEBUG_REGISTERS
@@ -1475,13 +1188,6 @@ ahd_reg_print_t ahd_scb_task_attribute_print;
     ahd_print_register(NULL, 0, "SCB_TASK_ATTRIBUTE", 0x195, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_cdb_len_print;
-#else
-#define ahd_scb_cdb_len_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SCB_CDB_LEN", 0x196, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_scb_task_management_print;
 #else
@@ -1517,13 +1223,6 @@ ahd_reg_print_t ahd_scb_busaddr_print;
     ahd_print_register(NULL, 0, "SCB_BUSADDR", 0x1a8, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahd_reg_print_t ahd_scb_next_print;
-#else
-#define ahd_scb_next_print(regvalue, cur_col, wrap) \
-    ahd_print_register(NULL, 0, "SCB_NEXT", 0x1ac, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahd_reg_print_t ahd_scb_next2_print;
 #else
@@ -1717,10 +1416,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	SG_CACHE_PRE    		0x1b
 
-#define	TYPEPTR         		0x20
-
 #define	LQIN            		0x20
 
+#define	TYPEPTR         		0x20
+
 #define	TAGPTR          		0x21
 
 #define	LUNPTR          		0x22
@@ -1780,6 +1479,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		SINGLECMD       	0x02
 #define		ABORTPENDING    	0x01
 
+#define	SCSBIST0        		0x39
+#define		GSBISTERR       	0x40
+#define		GSBISTDONE      	0x20
+#define		GSBISTRUN       	0x10
+#define		OSBISTERR       	0x04
+#define		OSBISTDONE      	0x02
+#define		OSBISTRUN       	0x01
+
 #define	LQCTL2          		0x39
 #define		LQIRETRY        	0x80
 #define		LQICONTINUE     	0x40
@@ -1790,13 +1497,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		LQOTOIDLE       	0x02
 #define		LQOPAUSE        	0x01
 
-#define	SCSBIST0        		0x39
-#define		GSBISTERR       	0x40
-#define		GSBISTDONE      	0x20
-#define		GSBISTRUN       	0x10
-#define		OSBISTERR       	0x04
-#define		OSBISTDONE      	0x02
-#define		OSBISTRUN       	0x01
+#define	SCSBIST1        		0x3a
+#define		NTBISTERR       	0x04
+#define		NTBISTDONE      	0x02
+#define		NTBISTRUN       	0x01
 
 #define	SCSISEQ0        		0x3a
 #define		TEMODEO         	0x80
@@ -1805,15 +1509,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		FORCEBUSFREE    	0x10
 #define		SCSIRSTO        	0x01
 
-#define	SCSBIST1        		0x3a
-#define		NTBISTERR       	0x04
-#define		NTBISTDONE      	0x02
-#define		NTBISTRUN       	0x01
-
 #define	SCSISEQ1        		0x3b
 
-#define	BUSINITID       		0x3c
-
 #define	SXFRCTL0        		0x3c
 #define		DFON            	0x80
 #define		DFPEXP          	0x40
@@ -1822,6 +1519,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	DLCOUNT         		0x3c
 
+#define	BUSINITID       		0x3c
+
 #define	SXFRCTL1        		0x3d
 #define		BITBUCKET       	0x80
 #define		ENSACHK         	0x40
@@ -1846,8 +1545,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		CURRFIFO_1      	0x01
 #define		CURRFIFO_0      	0x00
 
-#define	MULTARGID       		0x40
-
 #define	SCSISIGO        		0x40
 #define		CDO             	0x80
 #define		IOO             	0x40
@@ -1858,6 +1555,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		REQO            	0x02
 #define		ACKO            	0x01
 
+#define	MULTARGID       		0x40
+
 #define	SCSISIGI        		0x41
 #define		ATNI            	0x10
 #define		SELI            	0x08
@@ -1904,6 +1603,15 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		ENAB20          	0x04
 #define		SELWIDE         	0x02
 
+#define	CLRSINT0        		0x4b
+#define		CLRSELDO        	0x40
+#define		CLRSELDI        	0x20
+#define		CLRSELINGO      	0x10
+#define		CLRIOERR        	0x08
+#define		CLROVERRUN      	0x04
+#define		CLRSPIORDY      	0x02
+#define		CLRARBDO        	0x01
+
 #define	SSTAT0          		0x4b
 #define		TARGET          	0x80
 #define		SELDO           	0x40
@@ -1923,14 +1631,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		ENSPIORDY       	0x02
 #define		ENARBDO         	0x01
 
-#define	CLRSINT0        		0x4b
-#define		CLRSELDO        	0x40
-#define		CLRSELDI        	0x20
-#define		CLRSELINGO      	0x10
-#define		CLRIOERR        	0x08
-#define		CLROVERRUN      	0x04
-#define		CLRSPIORDY      	0x02
-#define		CLRARBDO        	0x01
+#define	CLRSINT1        		0x4c
+#define		CLRSELTIMEO     	0x80
+#define		CLRATNO         	0x40
+#define		CLRSCSIRSTI     	0x20
+#define		CLRBUSFREE      	0x08
+#define		CLRSCSIPERR     	0x04
+#define		CLRSTRB2FAST    	0x02
+#define		CLRREQINIT      	0x01
 
 #define	SSTAT1          		0x4c
 #define		SELTO           	0x80
@@ -1942,15 +1650,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		STRB2FAST       	0x02
 #define		REQINIT         	0x01
 
-#define	CLRSINT1        		0x4c
-#define		CLRSELTIMEO     	0x80
-#define		CLRATNO         	0x40
-#define		CLRSCSIRSTI     	0x20
-#define		CLRBUSFREE      	0x08
-#define		CLRSCSIPERR     	0x04
-#define		CLRSTRB2FAST    	0x02
-#define		CLRREQINIT      	0x01
-
 #define	SSTAT2          		0x4d
 #define		BUSFREETIME     	0xc0
 #define		NONPACKREQ      	0x20
@@ -1998,14 +1697,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		LQIATNLQ        	0x02
 #define		LQIATNCMD       	0x01
 
-#define	LQIMODE0        		0x50
-#define		ENLQIATNQASK    	0x20
-#define		ENLQICRCT1      	0x10
-#define		ENLQICRCT2      	0x08
-#define		ENLQIBADLQT     	0x04
-#define		ENLQIATNLQ      	0x02
-#define		ENLQIATNCMD     	0x01
-
 #define	CLRLQIINT0      		0x50
 #define		CLRLQIATNQAS    	0x20
 #define		CLRLQICRCT1     	0x10
@@ -2014,6 +1705,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		CLRLQIATNLQ     	0x02
 #define		CLRLQIATNCMD    	0x01
 
+#define	LQIMODE0        		0x50
+#define		ENLQIATNQASK    	0x20
+#define		ENLQICRCT1      	0x10
+#define		ENLQICRCT2      	0x08
+#define		ENLQIBADLQT     	0x04
+#define		ENLQIATNLQ      	0x02
+#define		ENLQIATNCMD     	0x01
+
 #define	LQIMODE1        		0x51
 #define		ENLQIPHASE_LQ   	0x80
 #define		ENLQIPHASE_NLQ  	0x40
@@ -2160,6 +1859,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		CFG4ICMD        	0x02
 #define		CFG4TCMD        	0x01
 
+#define	CURRSCB         		0x5c
+
 #define	SEQIMODE        		0x5c
 #define		ENCTXTDONE      	0x40
 #define		ENSAVEPTRS      	0x20
@@ -2169,8 +1870,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		ENCFG4ICMD      	0x02
 #define		ENCFG4TCMD      	0x01
 
-#define	CURRSCB         		0x5c
-
 #define	MDFFSTAT        		0x5d
 #define		SHCNTNEGATIVE   	0x40
 #define		SHCNTMINUS1     	0x20
@@ -2185,29 +1884,29 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	DFFTAG          		0x5e
 
+#define	LASTSCB         		0x5e
+
 #define	SCSITEST        		0x5e
 #define		CNTRTEST        	0x08
 #define		SEL_TXPLL_DEBUG 	0x04
 
-#define	LASTSCB         		0x5e
-
 #define	IOPDNCTL        		0x5f
 #define		DISABLE_OE      	0x80
 #define		PDN_IDIST       	0x04
 #define		PDN_DIFFSENSE   	0x01
 
-#define	DGRPCRCI        		0x60
-
 #define	SHADDR          		0x60
 
 #define	NEGOADDR        		0x60
 
-#define	NEGPERIOD       		0x61
+#define	DGRPCRCI        		0x60
 
-#define	NEGOFFSET       		0x62
+#define	NEGPERIOD       		0x61
 
 #define	PACKCRCI        		0x62
 
+#define	NEGOFFSET       		0x62
+
 #define	NEGPPROPTS      		0x63
 #define		PPROPT_PACE     	0x08
 #define		PPROPT_QAS      	0x04
@@ -2253,8 +1952,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	SELOID          		0x6b
 
-#define	FAIRNESS        		0x6c
-
 #define	PLL400CTL0      		0x6c
 #define		PLL_VCOSEL      	0x80
 #define		PLL_PWDN        	0x40
@@ -2264,6 +1961,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		PLL_DLPF        	0x02
 #define		PLL_ENFBM       	0x01
 
+#define	FAIRNESS        		0x6c
+
 #define	PLL400CTL1      		0x6d
 #define		PLL_CNTEN       	0x80
 #define		PLL_CNTCLR      	0x40
@@ -2275,25 +1974,25 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	HADDR           		0x70
 
-#define	HODMAADR        		0x70
-
 #define	PLLDELAY        		0x70
 #define		SPLIT_DROP_REQ  	0x80
 
-#define	HCNT            		0x78
+#define	HODMAADR        		0x70
 
 #define	HODMACNT        		0x78
 
-#define	HODMAEN         		0x7a
+#define	HCNT            		0x78
 
-#define	SGHADDR         		0x7c
+#define	HODMAEN         		0x7a
 
 #define	SCBHADDR        		0x7c
 
-#define	SGHCNT          		0x84
+#define	SGHADDR         		0x7c
 
 #define	SCBHCNT         		0x84
 
+#define	SGHCNT          		0x84
+
 #define	DFF_THRSH       		0x88
 #define		WR_DFTHRSH      	0x70
 #define		RD_DFTHRSH      	0x07
@@ -2326,10 +2025,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	CMCRXMSG0       		0x90
 
-#define	OVLYRXMSG0      		0x90
-
-#define	DCHRXMSG0       		0x90
-
 #define	ROENABLE        		0x90
 #define		MSIROEN         	0x20
 #define		OVLYROEN        	0x10
@@ -2338,11 +2033,11 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		DCH1ROEN        	0x02
 #define		DCH0ROEN        	0x01
 
-#define	OVLYRXMSG1      		0x91
+#define	OVLYRXMSG0      		0x90
 
-#define	CMCRXMSG1       		0x91
+#define	DCHRXMSG0       		0x90
 
-#define	DCHRXMSG1       		0x91
+#define	OVLYRXMSG1      		0x91
 
 #define	NSENABLE        		0x91
 #define		MSINSEN         	0x20
@@ -2352,6 +2047,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		DCH1NSEN        	0x02
 #define		DCH0NSEN        	0x01
 
+#define	CMCRXMSG1       		0x91
+
+#define	DCHRXMSG1       		0x91
+
 #define	DCHRXMSG2       		0x92
 
 #define	CMCRXMSG2       		0x92
@@ -2375,24 +2074,24 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		TSCSERREN       	0x02
 #define		CMPABCDIS       	0x01
 
-#define	CMCSEQBCNT      		0x94
-
 #define	OVLYSEQBCNT     		0x94
 
 #define	DCHSEQBCNT      		0x94
 
+#define	CMCSEQBCNT      		0x94
+
+#define	CMCSPLTSTAT0    		0x96
+
 #define	DCHSPLTSTAT0    		0x96
 
 #define	OVLYSPLTSTAT0   		0x96
 
-#define	CMCSPLTSTAT0    		0x96
+#define	CMCSPLTSTAT1    		0x97
 
 #define	OVLYSPLTSTAT1   		0x97
 
 #define	DCHSPLTSTAT1    		0x97
 
-#define	CMCSPLTSTAT1    		0x97
-
 #define	SGRXMSG0        		0x98
 #define		CDNUM           	0xf8
 #define		CFNUM           	0x07
@@ -2420,15 +2119,18 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		TAG_NUM         	0x1f
 #define		RLXORD          	0x10
 
+#define	SGSEQBCNT       		0x9c
+
 #define	SLVSPLTOUTATTR0 		0x9c
 #define		LOWER_BCNT      	0xff
 
-#define	SGSEQBCNT       		0x9c
-
 #define	SLVSPLTOUTATTR1 		0x9d
 #define		CMPLT_DNUM      	0xf8
 #define		CMPLT_FNUM      	0x07
 
+#define	SLVSPLTOUTATTR2 		0x9e
+#define		CMPLT_BNUM      	0xff
+
 #define	SGSPLTSTAT0     		0x9e
 #define		STAETERM        	0x80
 #define		SCBCERR         	0x40
@@ -2439,9 +2141,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		RXSCEMSG        	0x02
 #define		RXSPLTRSP       	0x01
 
-#define	SLVSPLTOUTATTR2 		0x9e
-#define		CMPLT_BNUM      	0xff
-
 #define	SGSPLTSTAT1     		0x9f
 #define		RXDATABUCKET    	0x01
 
@@ -2497,10 +2196,10 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	CCSGADDR        		0xac
 
-#define	CCSCBADDR       		0xac
-
 #define	CCSCBADR_BK     		0xac
 
+#define	CCSCBADDR       		0xac
+
 #define	CMC_RAMBIST     		0xad
 #define		SG_ELEMENT_SIZE 	0x80
 #define		SCBRAMBIST_FAIL 	0x40
@@ -2554,9 +2253,9 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define	SEEDAT          		0xbc
 
 #define	SEECTL          		0xbe
-#define		SEEOP_EWDS      	0x40
 #define		SEEOP_WALL      	0x40
 #define		SEEOP_EWEN      	0x40
+#define		SEEOP_EWDS      	0x40
 #define		SEEOPCODE       	0x70
 #define		SEERST          	0x02
 #define		SEESTART        	0x01
@@ -2573,25 +2272,25 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	SCBCNT          		0xbf
 
+#define	DFWADDR         		0xc0
+
 #define	DSPFLTRCTL      		0xc0
 #define		FLTRDISABLE     	0x20
 #define		EDGESENSE       	0x10
 #define		DSPFCNTSEL      	0x0f
 
-#define	DFWADDR         		0xc0
-
 #define	DSPDATACTL      		0xc1
 #define		BYPASSENAB      	0x80
 #define		DESQDIS         	0x10
 #define		RCVROFFSTDIS    	0x04
 #define		XMITOFFSTDIS    	0x02
 
+#define	DFRADDR         		0xc2
+
 #define	DSPREQCTL       		0xc2
 #define		MANREQCTL       	0xc0
 #define		MANREQDLY       	0x3f
 
-#define	DFRADDR         		0xc2
-
 #define	DSPACKCTL       		0xc3
 #define		MANACKCTL       	0xc0
 #define		MANACKDLY       	0x3f
@@ -2612,14 +2311,14 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	WRTBIASCALC     		0xc7
 
-#define	DFPTRS          		0xc8
-
 #define	RCVRBIASCALC    		0xc8
 
-#define	DFBKPTR         		0xc9
+#define	DFPTRS          		0xc8
 
 #define	SKEWCALC        		0xc9
 
+#define	DFBKPTR         		0xc9
+
 #define	DFDBCTL         		0xcb
 #define		DFF_CIO_WR_RDY  	0x20
 #define		DFF_CIO_RD_RDY  	0x10
@@ -2704,12 +2403,12 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	ACCUM_SAVE      		0xfa
 
+#define	WAITING_SCB_TAILS		0x100
+
 #define	AHD_PCI_CONFIG_BASE		0x100
 
 #define	SRAM_BASE       		0x100
 
-#define	WAITING_SCB_TAILS		0x100
-
 #define	WAITING_TID_HEAD		0x120
 
 #define	WAITING_TID_TAIL		0x122
@@ -2738,8 +2437,8 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define		PRELOADEN       	0x80
 #define		WIDEODD         	0x40
 #define		SCSIEN          	0x20
-#define		SDMAENACK       	0x10
 #define		SDMAEN          	0x10
+#define		SDMAENACK       	0x10
 #define		HDMAEN          	0x08
 #define		HDMAENACK       	0x08
 #define		DIRECTION       	0x04
@@ -2837,12 +2536,12 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 
 #define	MK_MESSAGE_SCSIID		0x162
 
+#define	SCB_BASE        		0x180
+
 #define	SCB_RESIDUAL_DATACNT		0x180
 #define	SCB_CDB_STORE   		0x180
 #define	SCB_HOST_CDB_PTR		0x180
 
-#define	SCB_BASE        		0x180
-
 #define	SCB_RESIDUAL_SGPTR		0x184
 #define		SG_ADDR_MASK    	0xf8
 #define		SG_OVERRUN_RESID	0x02
@@ -2910,17 +2609,6 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define	SCB_DISCONNECTED_LISTS		0x1b8
 
 
-#define	CMD_GROUP_CODE_SHIFT	0x05
-#define	STIMESEL_MIN	0x18
-#define	STIMESEL_SHIFT	0x03
-#define	INVALID_ADDR	0x80
-#define	AHD_PRECOMP_MASK	0x07
-#define	TARGET_DATA_IN	0x01
-#define	CCSCBADDR_MAX	0x80
-#define	NUMDSPS 	0x14
-#define	SEEOP_EWEN_ADDR	0xc0
-#define	AHD_ANNEXCOL_PER_DEV0	0x04
-#define	DST_MODE_SHIFT	0x04
 #define	AHD_TIMER_MAX_US	0x18ffe7
 #define	AHD_TIMER_MAX_TICKS	0xffff
 #define	AHD_SENSE_BUFSIZE	0x100
@@ -2955,32 +2643,43 @@ ahd_reg_print_t ahd_scb_disconnected_lists_print;
 #define	LUNLEN_SINGLE_LEVEL_LUN	0x0f
 #define	NVRAM_SCB_OFFSET	0x2c
 #define	STATUS_PKT_SENSE	0xff
+#define	CMD_GROUP_CODE_SHIFT	0x05
 #define	MAX_OFFSET_PACED_BUG	0x7f
 #define	STIMESEL_BUG_ADJ	0x08
+#define	STIMESEL_MIN	0x18
+#define	STIMESEL_SHIFT	0x03
 #define	CCSGRAM_MAXSEGS	0x10
+#define	INVALID_ADDR	0x80
 #define	SEEOP_ERAL_ADDR	0x80
 #define	AHD_SLEWRATE_DEF_REVB	0x08
 #define	AHD_PRECOMP_CUTBACK_17	0x04
+#define	AHD_PRECOMP_MASK	0x07
 #define	SRC_MODE_SHIFT	0x00
 #define	PKT_OVERRUN_BUFSIZE	0x200
 #define	SCB_TRANSFER_SIZE_1BYTE_LUN	0x30
+#define	TARGET_DATA_IN	0x01
 #define	HOST_MSG	0xff
 #define	MAX_OFFSET	0xfe
 #define	BUS_16_BIT	0x01
+#define	CCSCBADDR_MAX	0x80
+#define	NUMDSPS 	0x14
+#define	SEEOP_EWEN_ADDR	0xc0
+#define	AHD_ANNEXCOL_PER_DEV0	0x04
+#define	DST_MODE_SHIFT	0x04
 
 
 /* Downloaded Constant Definitions */
-#define	SG_SIZEOF	0x04
-#define	SG_PREFETCH_ALIGN_MASK	0x02
-#define	SG_PREFETCH_CNT_LIMIT	0x01
 #define	CACHELINE_MASK	0x07
 #define	SCB_TRANSFER_SIZE	0x06
 #define	PKT_OVERRUN_BUFOFFSET	0x05
+#define	SG_SIZEOF	0x04
 #define	SG_PREFETCH_ADDR_MASK	0x03
+#define	SG_PREFETCH_ALIGN_MASK	0x02
+#define	SG_PREFETCH_CNT_LIMIT	0x01
 #define	SG_PREFETCH_CNT	0x00
 #define	DOWNLOAD_CONST_COUNT	0x08
 
 
 /* Exported Labels */
-#define	LABEL_timer_isr	0x28b
 #define	LABEL_seq_isr 	0x28f
+#define	LABEL_timer_isr	0x28b
diff --git a/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped b/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped
index c4c8a96bf5a..f5ea715d6ac 100644
--- a/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped
+++ b/drivers/scsi/aic7xxx/aic79xx_reg_print.c_shipped
@@ -8,18 +8,6 @@
 
 #include "aic79xx_osm.h"
 
-static const ahd_reg_parse_entry_t MODE_PTR_parse_table[] = {
-	{ "SRC_MODE",		0x07, 0x07 },
-	{ "DST_MODE",		0x70, 0x70 }
-};
-
-int
-ahd_mode_ptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(MODE_PTR_parse_table, 2, "MODE_PTR",
-	    0x00, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t INTSTAT_parse_table[] = {
 	{ "SPLTINT",		0x01, 0x01 },
 	{ "CMDCMPLT",		0x02, 0x02 },
@@ -39,110 +27,6 @@ ahd_intstat_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x01, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SEQINTCODE_parse_table[] = {
-	{ "NO_SEQINT",		0x00, 0xff },
-	{ "BAD_PHASE",		0x01, 0xff },
-	{ "SEND_REJECT",	0x02, 0xff },
-	{ "PROTO_VIOLATION",	0x03, 0xff },
-	{ "NO_MATCH",		0x04, 0xff },
-	{ "IGN_WIDE_RES",	0x05, 0xff },
-	{ "PDATA_REINIT",	0x06, 0xff },
-	{ "HOST_MSG_LOOP",	0x07, 0xff },
-	{ "BAD_STATUS",		0x08, 0xff },
-	{ "DATA_OVERRUN",	0x09, 0xff },
-	{ "MKMSG_FAILED",	0x0a, 0xff },
-	{ "MISSED_BUSFREE",	0x0b, 0xff },
-	{ "DUMP_CARD_STATE",	0x0c, 0xff },
-	{ "ILLEGAL_PHASE",	0x0d, 0xff },
-	{ "INVALID_SEQINT",	0x0e, 0xff },
-	{ "CFG4ISTAT_INTR",	0x0f, 0xff },
-	{ "STATUS_OVERRUN",	0x10, 0xff },
-	{ "CFG4OVERRUN",	0x11, 0xff },
-	{ "ENTERING_NONPACK",	0x12, 0xff },
-	{ "TASKMGMT_FUNC_COMPLETE",0x13, 0xff },
-	{ "TASKMGMT_CMD_CMPLT_OKAY",0x14, 0xff },
-	{ "TRACEPOINT0",	0x15, 0xff },
-	{ "TRACEPOINT1",	0x16, 0xff },
-	{ "TRACEPOINT2",	0x17, 0xff },
-	{ "TRACEPOINT3",	0x18, 0xff },
-	{ "SAW_HWERR",		0x19, 0xff },
-	{ "BAD_SCB_STATUS",	0x1a, 0xff }
-};
-
-int
-ahd_seqintcode_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SEQINTCODE_parse_table, 27, "SEQINTCODE",
-	    0x02, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t CLRINT_parse_table[] = {
-	{ "CLRSPLTINT",		0x01, 0x01 },
-	{ "CLRCMDINT",		0x02, 0x02 },
-	{ "CLRSEQINT",		0x04, 0x04 },
-	{ "CLRSCSIINT",		0x08, 0x08 },
-	{ "CLRPCIINT",		0x10, 0x10 },
-	{ "CLRSWTMINT",		0x20, 0x20 },
-	{ "CLRBRKADRINT",	0x40, 0x40 },
-	{ "CLRHWERRINT",	0x80, 0x80 }
-};
-
-int
-ahd_clrint_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRINT_parse_table, 8, "CLRINT",
-	    0x03, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t ERROR_parse_table[] = {
-	{ "DSCTMOUT",		0x02, 0x02 },
-	{ "ILLOPCODE",		0x04, 0x04 },
-	{ "SQPARERR",		0x08, 0x08 },
-	{ "DPARERR",		0x10, 0x10 },
-	{ "MPARERR",		0x20, 0x20 },
-	{ "CIOACCESFAIL",	0x40, 0x40 },
-	{ "CIOPARERR",		0x80, 0x80 }
-};
-
-int
-ahd_error_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(ERROR_parse_table, 7, "ERROR",
-	    0x04, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t HCNTRL_parse_table[] = {
-	{ "CHIPRST",		0x01, 0x01 },
-	{ "CHIPRSTACK",		0x01, 0x01 },
-	{ "INTEN",		0x02, 0x02 },
-	{ "PAUSE",		0x04, 0x04 },
-	{ "SWTIMER_START_B",	0x08, 0x08 },
-	{ "SWINT",		0x10, 0x10 },
-	{ "POWRDN",		0x40, 0x40 },
-	{ "SEQ_RESET",		0x80, 0x80 }
-};
-
-int
-ahd_hcntrl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(HCNTRL_parse_table, 8, "HCNTRL",
-	    0x05, regvalue, cur_col, wrap));
-}
-
-int
-ahd_hnscb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "HNSCB_QOFF",
-	    0x06, regvalue, cur_col, wrap));
-}
-
-int
-ahd_hescb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "HESCB_QOFF",
-	    0x08, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t HS_MAILBOX_parse_table[] = {
 	{ "ENINT_COALESCE",	0x40, 0x40 },
 	{ "HOST_TQINPOS",	0x80, 0x80 }
@@ -170,77 +54,6 @@ ahd_seqintstat_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x0c, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t CLRSEQINTSTAT_parse_table[] = {
-	{ "CLRSEQ_SPLTINT",	0x01, 0x01 },
-	{ "CLRSEQ_PCIINT",	0x02, 0x02 },
-	{ "CLRSEQ_SCSIINT",	0x04, 0x04 },
-	{ "CLRSEQ_SEQINT",	0x08, 0x08 },
-	{ "CLRSEQ_SWTMRTO",	0x10, 0x10 }
-};
-
-int
-ahd_clrseqintstat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRSEQINTSTAT_parse_table, 5, "CLRSEQINTSTAT",
-	    0x0c, regvalue, cur_col, wrap));
-}
-
-int
-ahd_swtimer_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SWTIMER",
-	    0x0e, regvalue, cur_col, wrap));
-}
-
-int
-ahd_snscb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SNSCB_QOFF",
-	    0x10, regvalue, cur_col, wrap));
-}
-
-int
-ahd_sescb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SESCB_QOFF",
-	    0x12, regvalue, cur_col, wrap));
-}
-
-int
-ahd_sdscb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SDSCB_QOFF",
-	    0x14, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t QOFF_CTLSTA_parse_table[] = {
-	{ "SCB_QSIZE_4",	0x00, 0x0f },
-	{ "SCB_QSIZE_8",	0x01, 0x0f },
-	{ "SCB_QSIZE_16",	0x02, 0x0f },
-	{ "SCB_QSIZE_32",	0x03, 0x0f },
-	{ "SCB_QSIZE_64",	0x04, 0x0f },
-	{ "SCB_QSIZE_128",	0x05, 0x0f },
-	{ "SCB_QSIZE_256",	0x06, 0x0f },
-	{ "SCB_QSIZE_512",	0x07, 0x0f },
-	{ "SCB_QSIZE_1024",	0x08, 0x0f },
-	{ "SCB_QSIZE_2048",	0x09, 0x0f },
-	{ "SCB_QSIZE_4096",	0x0a, 0x0f },
-	{ "SCB_QSIZE_8192",	0x0b, 0x0f },
-	{ "SCB_QSIZE_16384",	0x0c, 0x0f },
-	{ "SCB_QSIZE",		0x0f, 0x0f },
-	{ "HS_MAILBOX_ACT",	0x10, 0x10 },
-	{ "SDSCB_ROLLOVR",	0x20, 0x20 },
-	{ "NEW_SCB_AVAIL",	0x40, 0x40 },
-	{ "EMPTY_SCB_AVAIL",	0x80, 0x80 }
-};
-
-int
-ahd_qoff_ctlsta_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(QOFF_CTLSTA_parse_table, 18, "QOFF_CTLSTA",
-	    0x16, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t INTCTL_parse_table[] = {
 	{ "SPLTINTEN",		0x01, 0x01 },
 	{ "SEQINTEN",		0x02, 0x02 },
@@ -280,22 +93,6 @@ ahd_dfcntrl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x19, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t DSCOMMAND0_parse_table[] = {
-	{ "CIOPARCKEN",		0x01, 0x01 },
-	{ "DISABLE_TWATE",	0x02, 0x02 },
-	{ "EXTREQLCK",		0x10, 0x10 },
-	{ "MPARCKEN",		0x20, 0x20 },
-	{ "DPARCKEN",		0x40, 0x40 },
-	{ "CACHETHEN",		0x80, 0x80 }
-};
-
-int
-ahd_dscommand0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(DSCOMMAND0_parse_table, 6, "DSCOMMAND0",
-	    0x19, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t DFSTATUS_parse_table[] = {
 	{ "FIFOEMP",		0x01, 0x01 },
 	{ "FIFOFULL",		0x02, 0x02 },
@@ -327,146 +124,6 @@ ahd_sg_cache_shadow_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x1b, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SG_CACHE_PRE_parse_table[] = {
-	{ "LAST_SEG",		0x02, 0x02 },
-	{ "ODD_SEG",		0x04, 0x04 },
-	{ "SG_ADDR_MASK",	0xf8, 0xf8 }
-};
-
-int
-ahd_sg_cache_pre_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SG_CACHE_PRE_parse_table, 3, "SG_CACHE_PRE",
-	    0x1b, regvalue, cur_col, wrap));
-}
-
-int
-ahd_lqin_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LQIN",
-	    0x20, regvalue, cur_col, wrap));
-}
-
-int
-ahd_lunptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LUNPTR",
-	    0x22, regvalue, cur_col, wrap));
-}
-
-int
-ahd_cmdlenptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CMDLENPTR",
-	    0x25, regvalue, cur_col, wrap));
-}
-
-int
-ahd_attrptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ATTRPTR",
-	    0x26, regvalue, cur_col, wrap));
-}
-
-int
-ahd_flagptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "FLAGPTR",
-	    0x27, regvalue, cur_col, wrap));
-}
-
-int
-ahd_cmdptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CMDPTR",
-	    0x28, regvalue, cur_col, wrap));
-}
-
-int
-ahd_qnextptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "QNEXTPTR",
-	    0x29, regvalue, cur_col, wrap));
-}
-
-int
-ahd_abrtbyteptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ABRTBYTEPTR",
-	    0x2b, regvalue, cur_col, wrap));
-}
-
-int
-ahd_abrtbitptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ABRTBITPTR",
-	    0x2c, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t LUNLEN_parse_table[] = {
-	{ "ILUNLEN",		0x0f, 0x0f },
-	{ "TLUNLEN",		0xf0, 0xf0 }
-};
-
-int
-ahd_lunlen_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LUNLEN_parse_table, 2, "LUNLEN",
-	    0x30, regvalue, cur_col, wrap));
-}
-
-int
-ahd_cdblimit_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CDBLIMIT",
-	    0x31, regvalue, cur_col, wrap));
-}
-
-int
-ahd_maxcmd_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "MAXCMD",
-	    0x32, regvalue, cur_col, wrap));
-}
-
-int
-ahd_maxcmdcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "MAXCMDCNT",
-	    0x33, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t LQCTL1_parse_table[] = {
-	{ "ABORTPENDING",	0x01, 0x01 },
-	{ "SINGLECMD",		0x02, 0x02 },
-	{ "PCI2PCI",		0x04, 0x04 }
-};
-
-int
-ahd_lqctl1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LQCTL1_parse_table, 3, "LQCTL1",
-	    0x38, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t LQCTL2_parse_table[] = {
-	{ "LQOPAUSE",		0x01, 0x01 },
-	{ "LQOTOIDLE",		0x02, 0x02 },
-	{ "LQOCONTINUE",	0x04, 0x04 },
-	{ "LQORETRY",		0x08, 0x08 },
-	{ "LQIPAUSE",		0x10, 0x10 },
-	{ "LQITOIDLE",		0x20, 0x20 },
-	{ "LQICONTINUE",	0x40, 0x40 },
-	{ "LQIRETRY",		0x80, 0x80 }
-};
-
-int
-ahd_lqctl2_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LQCTL2_parse_table, 8, "LQCTL2",
-	    0x39, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SCSISEQ0_parse_table[] = {
 	{ "SCSIRSTO",		0x01, 0x01 },
 	{ "FORCEBUSFREE",	0x10, 0x10 },
@@ -498,37 +155,6 @@ ahd_scsiseq1_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x3b, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SXFRCTL0_parse_table[] = {
-	{ "SPIOEN",		0x08, 0x08 },
-	{ "BIOSCANCELEN",	0x10, 0x10 },
-	{ "DFPEXP",		0x40, 0x40 },
-	{ "DFON",		0x80, 0x80 }
-};
-
-int
-ahd_sxfrctl0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SXFRCTL0_parse_table, 4, "SXFRCTL0",
-	    0x3c, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SXFRCTL1_parse_table[] = {
-	{ "STPWEN",		0x01, 0x01 },
-	{ "ACTNEGEN",		0x02, 0x02 },
-	{ "ENSTIMER",		0x04, 0x04 },
-	{ "STIMESEL",		0x18, 0x18 },
-	{ "ENSPCHK",		0x20, 0x20 },
-	{ "ENSACHK",		0x40, 0x40 },
-	{ "BITBUCKET",		0x80, 0x80 }
-};
-
-int
-ahd_sxfrctl1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SXFRCTL1_parse_table, 7, "SXFRCTL1",
-	    0x3d, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t DFFSTAT_parse_table[] = {
 	{ "CURRFIFO_0",		0x00, 0x03 },
 	{ "CURRFIFO_1",		0x01, 0x03 },
@@ -545,40 +171,6 @@ ahd_dffstat_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x3f, regvalue, cur_col, wrap));
 }
 
-int
-ahd_multargid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "MULTARGID",
-	    0x40, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCSISIGO_parse_table[] = {
-	{ "P_DATAOUT",		0x00, 0xe0 },
-	{ "P_DATAOUT_DT",	0x20, 0xe0 },
-	{ "P_DATAIN",		0x40, 0xe0 },
-	{ "P_DATAIN_DT",	0x60, 0xe0 },
-	{ "P_COMMAND",		0x80, 0xe0 },
-	{ "P_MESGOUT",		0xa0, 0xe0 },
-	{ "P_STATUS",		0xc0, 0xe0 },
-	{ "P_MESGIN",		0xe0, 0xe0 },
-	{ "ACKO",		0x01, 0x01 },
-	{ "REQO",		0x02, 0x02 },
-	{ "BSYO",		0x04, 0x04 },
-	{ "SELO",		0x08, 0x08 },
-	{ "ATNO",		0x10, 0x10 },
-	{ "MSGO",		0x20, 0x20 },
-	{ "IOO",		0x40, 0x40 },
-	{ "CDO",		0x80, 0x80 },
-	{ "PHASE_MASK",		0xe0, 0xe0 }
-};
-
-int
-ahd_scsisigo_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCSISIGO_parse_table, 17, "SCSISIGO",
-	    0x40, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SCSISIGI_parse_table[] = {
 	{ "P_DATAOUT",		0x00, 0xe0 },
 	{ "P_DATAOUT_DT",	0x20, 0xe0 },
@@ -623,13 +215,6 @@ ahd_scsiphase_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x42, regvalue, cur_col, wrap));
 }
 
-int
-ahd_scsidat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCSIDAT",
-	    0x44, regvalue, cur_col, wrap));
-}
-
 int
 ahd_scsibus_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
@@ -637,18 +222,6 @@ ahd_scsibus_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x46, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t TARGIDIN_parse_table[] = {
-	{ "TARGID",		0x0f, 0x0f },
-	{ "CLKOUT",		0x80, 0x80 }
-};
-
-int
-ahd_targidin_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(TARGIDIN_parse_table, 2, "TARGIDIN",
-	    0x48, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SELID_parse_table[] = {
 	{ "ONEBIT",		0x08, 0x08 },
 	{ "SELID_MASK",		0xf0, 0xf0 }
@@ -661,38 +234,6 @@ ahd_selid_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x49, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t OPTIONMODE_parse_table[] = {
-	{ "AUTO_MSGOUT_DE",	0x02, 0x02 },
-	{ "ENDGFORMCHK",	0x04, 0x04 },
-	{ "BUSFREEREV",		0x10, 0x10 },
-	{ "BIASCANCTL",		0x20, 0x20 },
-	{ "AUTOACKEN",		0x40, 0x40 },
-	{ "BIOSCANCTL",		0x80, 0x80 },
-	{ "OPTIONMODE_DEFAULTS",0x02, 0x02 }
-};
-
-int
-ahd_optionmode_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(OPTIONMODE_parse_table, 7, "OPTIONMODE",
-	    0x4a, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SBLKCTL_parse_table[] = {
-	{ "SELWIDE",		0x02, 0x02 },
-	{ "ENAB20",		0x04, 0x04 },
-	{ "ENAB40",		0x08, 0x08 },
-	{ "DIAGLEDON",		0x40, 0x40 },
-	{ "DIAGLEDEN",		0x80, 0x80 }
-};
-
-int
-ahd_sblkctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SBLKCTL_parse_table, 5, "SBLKCTL",
-	    0x4a, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SSTAT0_parse_table[] = {
 	{ "ARBDO",		0x01, 0x01 },
 	{ "SPIORDY",		0x02, 0x02 },
@@ -728,23 +269,6 @@ ahd_simode0_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x4b, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t CLRSINT0_parse_table[] = {
-	{ "CLRARBDO",		0x01, 0x01 },
-	{ "CLRSPIORDY",		0x02, 0x02 },
-	{ "CLROVERRUN",		0x04, 0x04 },
-	{ "CLRIOERR",		0x08, 0x08 },
-	{ "CLRSELINGO",		0x10, 0x10 },
-	{ "CLRSELDI",		0x20, 0x20 },
-	{ "CLRSELDO",		0x40, 0x40 }
-};
-
-int
-ahd_clrsint0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRSINT0_parse_table, 7, "CLRSINT0",
-	    0x4b, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SSTAT1_parse_table[] = {
 	{ "REQINIT",		0x01, 0x01 },
 	{ "STRB2FAST",		0x02, 0x02 },
@@ -763,23 +287,6 @@ ahd_sstat1_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x4c, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t CLRSINT1_parse_table[] = {
-	{ "CLRREQINIT",		0x01, 0x01 },
-	{ "CLRSTRB2FAST",	0x02, 0x02 },
-	{ "CLRSCSIPERR",	0x04, 0x04 },
-	{ "CLRBUSFREE",		0x08, 0x08 },
-	{ "CLRSCSIRSTI",	0x20, 0x20 },
-	{ "CLRATNO",		0x40, 0x40 },
-	{ "CLRSELTIMEO",	0x80, 0x80 }
-};
-
-int
-ahd_clrsint1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRSINT1_parse_table, 7, "CLRSINT1",
-	    0x4c, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SSTAT2_parse_table[] = {
 	{ "BUSFREE_LQO",	0x40, 0xc0 },
 	{ "BUSFREE_DFF0",	0x80, 0xc0 },
@@ -800,20 +307,6 @@ ahd_sstat2_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x4d, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t CLRSINT2_parse_table[] = {
-	{ "CLRDMADONE",		0x01, 0x01 },
-	{ "CLRSDONE",		0x02, 0x02 },
-	{ "CLRWIDE_RES",	0x04, 0x04 },
-	{ "CLRNONPACKREQ",	0x20, 0x20 }
-};
-
-int
-ahd_clrsint2_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRSINT2_parse_table, 4, "CLRSINT2",
-	    0x4d, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t PERRDIAG_parse_table[] = {
 	{ "DTERR",		0x01, 0x01 },
 	{ "DGFORMERR",		0x02, 0x02 },
@@ -832,13 +325,6 @@ ahd_perrdiag_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x4e, regvalue, cur_col, wrap));
 }
 
-int
-ahd_lqistate_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LQISTATE",
-	    0x4e, regvalue, cur_col, wrap));
-}
-
 int
 ahd_soffcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
@@ -846,13 +332,6 @@ ahd_soffcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x4f, regvalue, cur_col, wrap));
 }
 
-int
-ahd_lqostate_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LQOSTATE",
-	    0x4f, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t LQISTAT0_parse_table[] = {
 	{ "LQIATNCMD",		0x01, 0x01 },
 	{ "LQIATNLQ",		0x02, 0x02 },
@@ -869,56 +348,6 @@ ahd_lqistat0_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x50, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t LQIMODE0_parse_table[] = {
-	{ "ENLQIATNCMD",	0x01, 0x01 },
-	{ "ENLQIATNLQ",		0x02, 0x02 },
-	{ "ENLQIBADLQT",	0x04, 0x04 },
-	{ "ENLQICRCT2",		0x08, 0x08 },
-	{ "ENLQICRCT1",		0x10, 0x10 },
-	{ "ENLQIATNQASK",	0x20, 0x20 }
-};
-
-int
-ahd_lqimode0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LQIMODE0_parse_table, 6, "LQIMODE0",
-	    0x50, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t CLRLQIINT0_parse_table[] = {
-	{ "CLRLQIATNCMD",	0x01, 0x01 },
-	{ "CLRLQIATNLQ",	0x02, 0x02 },
-	{ "CLRLQIBADLQT",	0x04, 0x04 },
-	{ "CLRLQICRCT2",	0x08, 0x08 },
-	{ "CLRLQICRCT1",	0x10, 0x10 },
-	{ "CLRLQIATNQAS",	0x20, 0x20 }
-};
-
-int
-ahd_clrlqiint0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRLQIINT0_parse_table, 6, "CLRLQIINT0",
-	    0x50, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t LQIMODE1_parse_table[] = {
-	{ "ENLQIOVERI_NLQ",	0x01, 0x01 },
-	{ "ENLQIOVERI_LQ",	0x02, 0x02 },
-	{ "ENLQIBADLQI",	0x04, 0x04 },
-	{ "ENLQICRCI_NLQ",	0x08, 0x08 },
-	{ "ENLQICRCI_LQ",	0x10, 0x10 },
-	{ "ENLIQABORT",		0x20, 0x20 },
-	{ "ENLQIPHASE_NLQ",	0x40, 0x40 },
-	{ "ENLQIPHASE_LQ",	0x80, 0x80 }
-};
-
-int
-ahd_lqimode1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LQIMODE1_parse_table, 8, "LQIMODE1",
-	    0x51, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t LQISTAT1_parse_table[] = {
 	{ "LQIOVERI_NLQ",	0x01, 0x01 },
 	{ "LQIOVERI_LQ",	0x02, 0x02 },
@@ -937,24 +366,6 @@ ahd_lqistat1_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x51, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t CLRLQIINT1_parse_table[] = {
-	{ "CLRLQIOVERI_NLQ",	0x01, 0x01 },
-	{ "CLRLQIOVERI_LQ",	0x02, 0x02 },
-	{ "CLRLQIBADLQI",	0x04, 0x04 },
-	{ "CLRLQICRCI_NLQ",	0x08, 0x08 },
-	{ "CLRLQICRCI_LQ",	0x10, 0x10 },
-	{ "CLRLIQABORT",	0x20, 0x20 },
-	{ "CLRLQIPHASE_NLQ",	0x40, 0x40 },
-	{ "CLRLQIPHASE_LQ",	0x80, 0x80 }
-};
-
-int
-ahd_clrlqiint1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRLQIINT1_parse_table, 8, "CLRLQIINT1",
-	    0x51, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t LQISTAT2_parse_table[] = {
 	{ "LQIGSAVAIL",		0x01, 0x01 },
 	{ "LQISTOPCMD",		0x02, 0x02 },
@@ -985,30 +396,6 @@ ahd_sstat3_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x53, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SIMODE3_parse_table[] = {
-	{ "ENOSRAMPERR",	0x01, 0x01 },
-	{ "ENNTRAMPERR",	0x02, 0x02 }
-};
-
-int
-ahd_simode3_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SIMODE3_parse_table, 2, "SIMODE3",
-	    0x53, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t CLRSINT3_parse_table[] = {
-	{ "CLROSRAMPERR",	0x01, 0x01 },
-	{ "CLRNTRAMPERR",	0x02, 0x02 }
-};
-
-int
-ahd_clrsint3_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRSINT3_parse_table, 2, "CLRSINT3",
-	    0x53, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t LQOSTAT0_parse_table[] = {
 	{ "LQOTCRC",		0x01, 0x01 },
 	{ "LQOATNPKT",		0x02, 0x02 },
@@ -1024,51 +411,6 @@ ahd_lqostat0_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x54, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t CLRLQOINT0_parse_table[] = {
-	{ "CLRLQOTCRC",		0x01, 0x01 },
-	{ "CLRLQOATNPKT",	0x02, 0x02 },
-	{ "CLRLQOATNLQ",	0x04, 0x04 },
-	{ "CLRLQOSTOPT2",	0x08, 0x08 },
-	{ "CLRLQOTARGSCBPERR",	0x10, 0x10 }
-};
-
-int
-ahd_clrlqoint0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRLQOINT0_parse_table, 5, "CLRLQOINT0",
-	    0x54, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t LQOMODE0_parse_table[] = {
-	{ "ENLQOTCRC",		0x01, 0x01 },
-	{ "ENLQOATNPKT",	0x02, 0x02 },
-	{ "ENLQOATNLQ",		0x04, 0x04 },
-	{ "ENLQOSTOPT2",	0x08, 0x08 },
-	{ "ENLQOTARGSCBPERR",	0x10, 0x10 }
-};
-
-int
-ahd_lqomode0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LQOMODE0_parse_table, 5, "LQOMODE0",
-	    0x54, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t LQOMODE1_parse_table[] = {
-	{ "ENLQOPHACHGINPKT",	0x01, 0x01 },
-	{ "ENLQOBUSFREE",	0x02, 0x02 },
-	{ "ENLQOBADQAS",	0x04, 0x04 },
-	{ "ENLQOSTOPI2",	0x08, 0x08 },
-	{ "ENLQOINITSCBPERR",	0x10, 0x10 }
-};
-
-int
-ahd_lqomode1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LQOMODE1_parse_table, 5, "LQOMODE1",
-	    0x55, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t LQOSTAT1_parse_table[] = {
 	{ "LQOPHACHGINPKT",	0x01, 0x01 },
 	{ "LQOBUSFREE",		0x02, 0x02 },
@@ -1084,21 +426,6 @@ ahd_lqostat1_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x55, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t CLRLQOINT1_parse_table[] = {
-	{ "CLRLQOPHACHGINPKT",	0x01, 0x01 },
-	{ "CLRLQOBUSFREE",	0x02, 0x02 },
-	{ "CLRLQOBADQAS",	0x04, 0x04 },
-	{ "CLRLQOSTOPI2",	0x08, 0x08 },
-	{ "CLRLQOINITSCBPERR",	0x10, 0x10 }
-};
-
-int
-ahd_clrlqoint1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRLQOINT1_parse_table, 5, "CLRLQOINT1",
-	    0x55, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t LQOSTAT2_parse_table[] = {
 	{ "LQOSTOP0",		0x01, 0x01 },
 	{ "LQOPHACHGOUTPKT",	0x02, 0x02 },
@@ -1113,13 +440,6 @@ ahd_lqostat2_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x56, regvalue, cur_col, wrap));
 }
 
-int
-ahd_os_space_cnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "OS_SPACE_CNT",
-	    0x56, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SIMODE1_parse_table[] = {
 	{ "ENREQINIT",		0x01, 0x01 },
 	{ "ENSTRB2FAST",	0x02, 0x02 },
@@ -1138,13 +458,6 @@ ahd_simode1_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x57, regvalue, cur_col, wrap));
 }
 
-int
-ahd_gsfifo_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "GSFIFO",
-	    0x58, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t DFFSXFRCTL_parse_table[] = {
 	{ "RSTCHN",		0x01, 0x01 },
 	{ "CLRCHN",		0x02, 0x02 },
@@ -1159,44 +472,6 @@ ahd_dffsxfrctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x5a, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t LQOSCSCTL_parse_table[] = {
-	{ "LQONOCHKOVER",	0x01, 0x01 },
-	{ "LQONOHOLDLACK",	0x02, 0x02 },
-	{ "LQOBUSETDLY",	0x40, 0x40 },
-	{ "LQOH2A_VERSION",	0x80, 0x80 }
-};
-
-int
-ahd_lqoscsctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LQOSCSCTL_parse_table, 4, "LQOSCSCTL",
-	    0x5a, regvalue, cur_col, wrap));
-}
-
-int
-ahd_nextscb_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "NEXTSCB",
-	    0x5a, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t CLRSEQINTSRC_parse_table[] = {
-	{ "CLRCFG4TCMD",	0x01, 0x01 },
-	{ "CLRCFG4ICMD",	0x02, 0x02 },
-	{ "CLRCFG4TSTAT",	0x04, 0x04 },
-	{ "CLRCFG4ISTAT",	0x08, 0x08 },
-	{ "CLRCFG4DATA",	0x10, 0x10 },
-	{ "CLRSAVEPTRS",	0x20, 0x20 },
-	{ "CLRCTXTDONE",	0x40, 0x40 }
-};
-
-int
-ahd_clrseqintsrc_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CLRSEQINTSRC_parse_table, 7, "CLRSEQINTSRC",
-	    0x5b, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t SEQINTSRC_parse_table[] = {
 	{ "CFG4TCMD",		0x01, 0x01 },
 	{ "CFG4ICMD",		0x02, 0x02 },
@@ -1231,13 +506,6 @@ ahd_seqimode_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x5c, regvalue, cur_col, wrap));
 }
 
-int
-ahd_currscb_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CURRSCB",
-	    0x5c, regvalue, cur_col, wrap));
-}
-
 static const ahd_reg_parse_entry_t MDFFSTAT_parse_table[] = {
 	{ "FIFOFREE",		0x01, 0x01 },
 	{ "DATAINFIFO",		0x02, 0x02 },
@@ -1256,1213 +524,222 @@ ahd_mdffstat_print(u_int regvalue, u_int *cur_col, u_int wrap)
 }
 
 int
-ahd_lastscb_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LASTSCB",
-	    0x5e, regvalue, cur_col, wrap));
-}
-
-int
-ahd_shaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SHADDR",
-	    0x60, regvalue, cur_col, wrap));
-}
-
-int
-ahd_negoaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "NEGOADDR",
-	    0x60, regvalue, cur_col, wrap));
-}
-
-int
-ahd_negperiod_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "NEGPERIOD",
-	    0x61, regvalue, cur_col, wrap));
-}
-
-int
-ahd_negoffset_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_seloid_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "NEGOFFSET",
-	    0x62, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "SELOID",
+	    0x6b, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t NEGPPROPTS_parse_table[] = {
-	{ "PPROPT_IUT",		0x01, 0x01 },
-	{ "PPROPT_DT",		0x02, 0x02 },
-	{ "PPROPT_QAS",		0x04, 0x04 },
-	{ "PPROPT_PACE",	0x08, 0x08 }
+static const ahd_reg_parse_entry_t SG_STATE_parse_table[] = {
+	{ "SEGS_AVAIL",		0x01, 0x01 },
+	{ "LOADING_NEEDED",	0x02, 0x02 },
+	{ "FETCH_INPROG",	0x04, 0x04 }
 };
 
 int
-ahd_negppropts_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_sg_state_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NEGPPROPTS_parse_table, 4, "NEGPPROPTS",
-	    0x63, regvalue, cur_col, wrap));
+	return (ahd_print_register(SG_STATE_parse_table, 3, "SG_STATE",
+	    0xa6, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t NEGCONOPTS_parse_table[] = {
-	{ "WIDEXFER",		0x01, 0x01 },
-	{ "ENAUTOATNO",		0x02, 0x02 },
-	{ "ENAUTOATNI",		0x04, 0x04 },
-	{ "ENSLOWCRC",		0x08, 0x08 },
-	{ "RTI_OVRDTRN",	0x10, 0x10 },
-	{ "RTI_WRTDIS",		0x20, 0x20 },
-	{ "ENSNAPSHOT",		0x40, 0x40 }
+static const ahd_reg_parse_entry_t CCSCBCTL_parse_table[] = {
+	{ "CCSCBRESET",		0x01, 0x01 },
+	{ "CCSCBDIR",		0x04, 0x04 },
+	{ "CCSCBEN",		0x08, 0x08 },
+	{ "CCARREN",		0x10, 0x10 },
+	{ "ARRDONE",		0x40, 0x40 },
+	{ "CCSCBDONE",		0x80, 0x80 }
 };
 
 int
-ahd_negconopts_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NEGCONOPTS_parse_table, 7, "NEGCONOPTS",
-	    0x64, regvalue, cur_col, wrap));
-}
-
-int
-ahd_annexcol_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ANNEXCOL",
-	    0x65, regvalue, cur_col, wrap));
-}
-
-int
-ahd_annexdat_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_ccscbctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "ANNEXDAT",
-	    0x66, regvalue, cur_col, wrap));
+	return (ahd_print_register(CCSCBCTL_parse_table, 6, "CCSCBCTL",
+	    0xad, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SCSCHKN_parse_table[] = {
-	{ "LSTSGCLRDIS",	0x01, 0x01 },
-	{ "SHVALIDSTDIS",	0x02, 0x02 },
-	{ "DFFACTCLR",		0x04, 0x04 },
-	{ "SDONEMSKDIS",	0x08, 0x08 },
-	{ "WIDERESEN",		0x10, 0x10 },
-	{ "CURRFIFODEF",	0x20, 0x20 },
-	{ "STSELSKIDDIS",	0x40, 0x40 },
-	{ "BIDICHKDIS",		0x80, 0x80 }
+static const ahd_reg_parse_entry_t CCSGCTL_parse_table[] = {
+	{ "CCSGRESET",		0x01, 0x01 },
+	{ "SG_FETCH_REQ",	0x02, 0x02 },
+	{ "CCSGENACK",		0x08, 0x08 },
+	{ "SG_CACHE_AVAIL",	0x10, 0x10 },
+	{ "CCSGDONE",		0x80, 0x80 },
+	{ "CCSGEN",		0x0c, 0x0c }
 };
 
 int
-ahd_scschkn_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_ccsgctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(SCSCHKN_parse_table, 8, "SCSCHKN",
-	    0x66, regvalue, cur_col, wrap));
+	return (ahd_print_register(CCSGCTL_parse_table, 6, "CCSGCTL",
+	    0xad, regvalue, cur_col, wrap));
 }
 
-int
-ahd_iownid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "IOWNID",
-	    0x67, regvalue, cur_col, wrap));
-}
+static const ahd_reg_parse_entry_t SEQCTL0_parse_table[] = {
+	{ "LOADRAM",		0x01, 0x01 },
+	{ "SEQRESET",		0x02, 0x02 },
+	{ "STEP",		0x04, 0x04 },
+	{ "BRKADRINTEN",	0x08, 0x08 },
+	{ "FASTMODE",		0x10, 0x10 },
+	{ "FAILDIS",		0x20, 0x20 },
+	{ "PAUSEDIS",		0x40, 0x40 },
+	{ "PERRORDIS",		0x80, 0x80 }
+};
 
 int
-ahd_shcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_seqctl0_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "SHCNT",
-	    0x68, regvalue, cur_col, wrap));
+	return (ahd_print_register(SEQCTL0_parse_table, 8, "SEQCTL0",
+	    0xd6, regvalue, cur_col, wrap));
 }
 
-int
-ahd_townid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "TOWNID",
-	    0x69, regvalue, cur_col, wrap));
-}
+static const ahd_reg_parse_entry_t SEQINTCTL_parse_table[] = {
+	{ "IRET",		0x01, 0x01 },
+	{ "INTMASK1",		0x02, 0x02 },
+	{ "INTMASK2",		0x04, 0x04 },
+	{ "SCS_SEQ_INT1M0",	0x08, 0x08 },
+	{ "SCS_SEQ_INT1M1",	0x10, 0x10 },
+	{ "INT1_CONTEXT",	0x20, 0x20 },
+	{ "INTVEC1DSL",		0x80, 0x80 }
+};
 
 int
-ahd_seloid_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_seqintctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "SELOID",
-	    0x6b, regvalue, cur_col, wrap));
+	return (ahd_print_register(SEQINTCTL_parse_table, 7, "SEQINTCTL",
+	    0xd9, regvalue, cur_col, wrap));
 }
 
 int
-ahd_haddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_sram_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "HADDR",
-	    0x70, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "SRAM_BASE",
+	    0x100, regvalue, cur_col, wrap));
 }
 
 int
-ahd_hcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_qfreeze_count_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "HCNT",
-	    0x78, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "QFREEZE_COUNT",
+	    0x132, regvalue, cur_col, wrap));
 }
 
 int
-ahd_sghaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_kernel_qfreeze_count_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "SGHADDR",
-	    0x7c, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "KERNEL_QFREEZE_COUNT",
+	    0x134, regvalue, cur_col, wrap));
 }
 
 int
-ahd_scbhaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_saved_mode_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "SCBHADDR",
-	    0x7c, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "SAVED_MODE",
+	    0x136, regvalue, cur_col, wrap));
 }
 
-int
-ahd_sghcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SGHCNT",
-	    0x84, regvalue, cur_col, wrap));
-}
+static const ahd_reg_parse_entry_t SEQ_FLAGS_parse_table[] = {
+	{ "NO_DISCONNECT",	0x01, 0x01 },
+	{ "SPHASE_PENDING",	0x02, 0x02 },
+	{ "DPHASE_PENDING",	0x04, 0x04 },
+	{ "CMDPHASE_PENDING",	0x08, 0x08 },
+	{ "TARG_CMD_PENDING",	0x10, 0x10 },
+	{ "DPHASE",		0x20, 0x20 },
+	{ "NO_CDB_SENT",	0x40, 0x40 },
+	{ "TARGET_CMD_IS_TAGGED",0x40, 0x40 },
+	{ "NOT_IDENTIFIED",	0x80, 0x80 }
+};
 
 int
-ahd_scbhcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_seq_flags_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(NULL, 0, "SCBHCNT",
-	    0x84, regvalue, cur_col, wrap));
+	return (ahd_print_register(SEQ_FLAGS_parse_table, 9, "SEQ_FLAGS",
+	    0x139, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t DFF_THRSH_parse_table[] = {
-	{ "WR_DFTHRSH_MIN",	0x00, 0x70 },
-	{ "RD_DFTHRSH_MIN",	0x00, 0x07 },
-	{ "RD_DFTHRSH_25",	0x01, 0x07 },
-	{ "RD_DFTHRSH_50",	0x02, 0x07 },
-	{ "RD_DFTHRSH_63",	0x03, 0x07 },
-	{ "RD_DFTHRSH_75",	0x04, 0x07 },
-	{ "RD_DFTHRSH_85",	0x05, 0x07 },
-	{ "RD_DFTHRSH_90",	0x06, 0x07 },
-	{ "RD_DFTHRSH_MAX",	0x07, 0x07 },
-	{ "WR_DFTHRSH_25",	0x10, 0x70 },
-	{ "WR_DFTHRSH_50",	0x20, 0x70 },
-	{ "WR_DFTHRSH_63",	0x30, 0x70 },
-	{ "WR_DFTHRSH_75",	0x40, 0x70 },
-	{ "WR_DFTHRSH_85",	0x50, 0x70 },
-	{ "WR_DFTHRSH_90",	0x60, 0x70 },
-	{ "WR_DFTHRSH_MAX",	0x70, 0x70 },
-	{ "RD_DFTHRSH",		0x07, 0x07 },
-	{ "WR_DFTHRSH",		0x70, 0x70 }
+static const ahd_reg_parse_entry_t LASTPHASE_parse_table[] = {
+	{ "P_DATAOUT",		0x00, 0xe0 },
+	{ "P_DATAOUT_DT",	0x20, 0xe0 },
+	{ "P_DATAIN",		0x40, 0xe0 },
+	{ "P_DATAIN_DT",	0x60, 0xe0 },
+	{ "P_COMMAND",		0x80, 0xe0 },
+	{ "P_MESGOUT",		0xa0, 0xe0 },
+	{ "P_STATUS",		0xc0, 0xe0 },
+	{ "P_MESGIN",		0xe0, 0xe0 },
+	{ "P_BUSFREE",		0x01, 0x01 },
+	{ "MSGI",		0x20, 0x20 },
+	{ "IOI",		0x40, 0x40 },
+	{ "CDI",		0x80, 0x80 },
+	{ "PHASE_MASK",		0xe0, 0xe0 }
 };
 
 int
-ahd_dff_thrsh_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_lastphase_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(DFF_THRSH_parse_table, 18, "DFF_THRSH",
-	    0x88, regvalue, cur_col, wrap));
+	return (ahd_print_register(LASTPHASE_parse_table, 13, "LASTPHASE",
+	    0x13c, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t PCIXCTL_parse_table[] = {
-	{ "CMPABCDIS",		0x01, 0x01 },
-	{ "TSCSERREN",		0x02, 0x02 },
-	{ "SRSPDPEEN",		0x04, 0x04 },
-	{ "SPLTSTADIS",		0x08, 0x08 },
-	{ "SPLTSMADIS",		0x10, 0x10 },
-	{ "UNEXPSCIEN",		0x20, 0x20 },
-	{ "SERRPULSE",		0x80, 0x80 }
+static const ahd_reg_parse_entry_t SEQ_FLAGS2_parse_table[] = {
+	{ "PENDING_MK_MESSAGE",	0x01, 0x01 },
+	{ "TARGET_MSG_PENDING",	0x02, 0x02 },
+	{ "SELECTOUT_QFROZEN",	0x04, 0x04 }
 };
 
 int
-ahd_pcixctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_seq_flags2_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(PCIXCTL_parse_table, 7, "PCIXCTL",
-	    0x93, regvalue, cur_col, wrap));
+	return (ahd_print_register(SEQ_FLAGS2_parse_table, 3, "SEQ_FLAGS2",
+	    0x14d, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t DCHSPLTSTAT0_parse_table[] = {
-	{ "RXSPLTRSP",		0x01, 0x01 },
-	{ "RXSCEMSG",		0x02, 0x02 },
-	{ "RXOVRUN",		0x04, 0x04 },
-	{ "CNTNOTCMPLT",	0x08, 0x08 },
-	{ "SCDATBUCKET",	0x10, 0x10 },
-	{ "SCADERR",		0x20, 0x20 },
-	{ "SCBCERR",		0x40, 0x40 },
-	{ "STAETERM",		0x80, 0x80 }
-};
-
 int
-ahd_dchspltstat0_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_mk_message_scb_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(DCHSPLTSTAT0_parse_table, 8, "DCHSPLTSTAT0",
-	    0x96, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "MK_MESSAGE_SCB",
+	    0x160, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t DCHSPLTSTAT1_parse_table[] = {
-	{ "RXDATABUCKET",	0x01, 0x01 }
-};
-
 int
-ahd_dchspltstat1_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_mk_message_scsiid_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(DCHSPLTSTAT1_parse_table, 1, "DCHSPLTSTAT1",
-	    0x97, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "MK_MESSAGE_SCSIID",
+	    0x162, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SGSPLTSTAT0_parse_table[] = {
-	{ "RXSPLTRSP",		0x01, 0x01 },
-	{ "RXSCEMSG",		0x02, 0x02 },
-	{ "RXOVRUN",		0x04, 0x04 },
-	{ "CNTNOTCMPLT",	0x08, 0x08 },
-	{ "SCDATBUCKET",	0x10, 0x10 },
-	{ "SCADERR",		0x20, 0x20 },
-	{ "SCBCERR",		0x40, 0x40 },
-	{ "STAETERM",		0x80, 0x80 }
-};
-
 int
-ahd_sgspltstat0_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_scb_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(SGSPLTSTAT0_parse_table, 8, "SGSPLTSTAT0",
-	    0x9e, regvalue, cur_col, wrap));
+	return (ahd_print_register(NULL, 0, "SCB_BASE",
+	    0x180, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SGSPLTSTAT1_parse_table[] = {
-	{ "RXDATABUCKET",	0x01, 0x01 }
+static const ahd_reg_parse_entry_t SCB_CONTROL_parse_table[] = {
+	{ "SCB_TAG_TYPE",	0x03, 0x03 },
+	{ "DISCONNECTED",	0x04, 0x04 },
+	{ "STATUS_RCVD",	0x08, 0x08 },
+	{ "MK_MESSAGE",		0x10, 0x10 },
+	{ "TAG_ENB",		0x20, 0x20 },
+	{ "DISCENB",		0x40, 0x40 },
+	{ "TARGET_SCB",		0x80, 0x80 }
 };
 
 int
-ahd_sgspltstat1_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_scb_control_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahd_print_register(SGSPLTSTAT1_parse_table, 1, "SGSPLTSTAT1",
-	    0x9f, regvalue, cur_col, wrap));
+	return (ahd_print_register(SCB_CONTROL_parse_table, 7, "SCB_CONTROL",
+	    0x192, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t DF0PCISTAT_parse_table[] = {
-	{ "DPR",		0x01, 0x01 },
-	{ "TWATERR",		0x02, 0x02 },
-	{ "RDPERR",		0x04, 0x04 },
-	{ "SCAAPERR",		0x08, 0x08 },
-	{ "RTA",		0x10, 0x10 },
-	{ "RMA",		0x20, 0x20 },
-	{ "SSE",		0x40, 0x40 },
-	{ "DPE",		0x80, 0x80 }
+static const ahd_reg_parse_entry_t SCB_SCSIID_parse_table[] = {
+	{ "OID",		0x0f, 0x0f },
+	{ "TID",		0xf0, 0xf0 }
 };
 
 int
-ahd_df0pcistat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(DF0PCISTAT_parse_table, 8, "DF0PCISTAT",
-	    0xa0, regvalue, cur_col, wrap));
-}
-
-int
-ahd_reg0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "REG0",
-	    0xa0, regvalue, cur_col, wrap));
-}
-
-int
-ahd_reg_isr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "REG_ISR",
-	    0xa4, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SG_STATE_parse_table[] = {
-	{ "SEGS_AVAIL",		0x01, 0x01 },
-	{ "LOADING_NEEDED",	0x02, 0x02 },
-	{ "FETCH_INPROG",	0x04, 0x04 }
-};
-
-int
-ahd_sg_state_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SG_STATE_parse_table, 3, "SG_STATE",
-	    0xa6, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t TARGPCISTAT_parse_table[] = {
-	{ "TWATERR",		0x02, 0x02 },
-	{ "STA",		0x08, 0x08 },
-	{ "SSE",		0x40, 0x40 },
-	{ "DPE",		0x80, 0x80 }
-};
-
-int
-ahd_targpcistat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(TARGPCISTAT_parse_table, 4, "TARGPCISTAT",
-	    0xa7, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scbptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCBPTR",
-	    0xa8, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCBAUTOPTR_parse_table[] = {
-	{ "SCBPTR_OFF",		0x07, 0x07 },
-	{ "SCBPTR_ADDR",	0x38, 0x38 },
-	{ "AUSCBPTR_EN",	0x80, 0x80 }
-};
-
-int
-ahd_scbautoptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCBAUTOPTR_parse_table, 3, "SCBAUTOPTR",
-	    0xab, regvalue, cur_col, wrap));
-}
-
-int
-ahd_ccsgaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CCSGADDR",
-	    0xac, regvalue, cur_col, wrap));
-}
-
-int
-ahd_ccscbaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CCSCBADDR",
-	    0xac, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t CCSCBCTL_parse_table[] = {
-	{ "CCSCBRESET",		0x01, 0x01 },
-	{ "CCSCBDIR",		0x04, 0x04 },
-	{ "CCSCBEN",		0x08, 0x08 },
-	{ "CCARREN",		0x10, 0x10 },
-	{ "ARRDONE",		0x40, 0x40 },
-	{ "CCSCBDONE",		0x80, 0x80 }
-};
-
-int
-ahd_ccscbctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CCSCBCTL_parse_table, 6, "CCSCBCTL",
-	    0xad, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t CCSGCTL_parse_table[] = {
-	{ "CCSGRESET",		0x01, 0x01 },
-	{ "SG_FETCH_REQ",	0x02, 0x02 },
-	{ "CCSGENACK",		0x08, 0x08 },
-	{ "SG_CACHE_AVAIL",	0x10, 0x10 },
-	{ "CCSGDONE",		0x80, 0x80 },
-	{ "CCSGEN",		0x0c, 0x0c }
-};
-
-int
-ahd_ccsgctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(CCSGCTL_parse_table, 6, "CCSGCTL",
-	    0xad, regvalue, cur_col, wrap));
-}
-
-int
-ahd_ccsgram_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CCSGRAM",
-	    0xb0, regvalue, cur_col, wrap));
-}
-
-int
-ahd_ccscbram_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CCSCBRAM",
-	    0xb0, regvalue, cur_col, wrap));
-}
-
-int
-ahd_brddat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "BRDDAT",
-	    0xb8, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t BRDCTL_parse_table[] = {
-	{ "BRDSTB",		0x01, 0x01 },
-	{ "BRDRW",		0x02, 0x02 },
-	{ "BRDEN",		0x04, 0x04 },
-	{ "BRDADDR",		0x38, 0x38 },
-	{ "FLXARBREQ",		0x40, 0x40 },
-	{ "FLXARBACK",		0x80, 0x80 }
-};
-
-int
-ahd_brdctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(BRDCTL_parse_table, 6, "BRDCTL",
-	    0xb9, regvalue, cur_col, wrap));
-}
-
-int
-ahd_seeadr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SEEADR",
-	    0xba, regvalue, cur_col, wrap));
-}
-
-int
-ahd_seedat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SEEDAT",
-	    0xbc, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SEECTL_parse_table[] = {
-	{ "SEEOP_ERAL",		0x40, 0x70 },
-	{ "SEEOP_WRITE",	0x50, 0x70 },
-	{ "SEEOP_READ",		0x60, 0x70 },
-	{ "SEEOP_ERASE",	0x70, 0x70 },
-	{ "SEESTART",		0x01, 0x01 },
-	{ "SEERST",		0x02, 0x02 },
-	{ "SEEOPCODE",		0x70, 0x70 },
-	{ "SEEOP_EWEN",		0x40, 0x40 },
-	{ "SEEOP_WALL",		0x40, 0x40 },
-	{ "SEEOP_EWDS",		0x40, 0x40 }
-};
-
-int
-ahd_seectl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SEECTL_parse_table, 10, "SEECTL",
-	    0xbe, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SEESTAT_parse_table[] = {
-	{ "SEESTART",		0x01, 0x01 },
-	{ "SEEBUSY",		0x02, 0x02 },
-	{ "SEEARBACK",		0x04, 0x04 },
-	{ "LDALTID_L",		0x08, 0x08 },
-	{ "SEEOPCODE",		0x70, 0x70 },
-	{ "INIT_DONE",		0x80, 0x80 }
-};
-
-int
-ahd_seestat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SEESTAT_parse_table, 6, "SEESTAT",
-	    0xbe, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t DSPDATACTL_parse_table[] = {
-	{ "XMITOFFSTDIS",	0x02, 0x02 },
-	{ "RCVROFFSTDIS",	0x04, 0x04 },
-	{ "DESQDIS",		0x10, 0x10 },
-	{ "BYPASSENAB",		0x80, 0x80 }
-};
-
-int
-ahd_dspdatactl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(DSPDATACTL_parse_table, 4, "DSPDATACTL",
-	    0xc1, regvalue, cur_col, wrap));
-}
-
-int
-ahd_dfdat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "DFDAT",
-	    0xc4, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t DSPSELECT_parse_table[] = {
-	{ "DSPSEL",		0x1f, 0x1f },
-	{ "AUTOINCEN",		0x80, 0x80 }
-};
-
-int
-ahd_dspselect_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(DSPSELECT_parse_table, 2, "DSPSELECT",
-	    0xc4, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t WRTBIASCTL_parse_table[] = {
-	{ "XMITMANVAL",		0x3f, 0x3f },
-	{ "AUTOXBCDIS",		0x80, 0x80 }
-};
-
-int
-ahd_wrtbiasctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(WRTBIASCTL_parse_table, 2, "WRTBIASCTL",
-	    0xc5, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SEQCTL0_parse_table[] = {
-	{ "LOADRAM",		0x01, 0x01 },
-	{ "SEQRESET",		0x02, 0x02 },
-	{ "STEP",		0x04, 0x04 },
-	{ "BRKADRINTEN",	0x08, 0x08 },
-	{ "FASTMODE",		0x10, 0x10 },
-	{ "FAILDIS",		0x20, 0x20 },
-	{ "PAUSEDIS",		0x40, 0x40 },
-	{ "PERRORDIS",		0x80, 0x80 }
-};
-
-int
-ahd_seqctl0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SEQCTL0_parse_table, 8, "SEQCTL0",
-	    0xd6, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t FLAGS_parse_table[] = {
-	{ "CARRY",		0x01, 0x01 },
-	{ "ZERO",		0x02, 0x02 }
-};
-
-int
-ahd_flags_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(FLAGS_parse_table, 2, "FLAGS",
-	    0xd8, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SEQINTCTL_parse_table[] = {
-	{ "IRET",		0x01, 0x01 },
-	{ "INTMASK1",		0x02, 0x02 },
-	{ "INTMASK2",		0x04, 0x04 },
-	{ "SCS_SEQ_INT1M0",	0x08, 0x08 },
-	{ "SCS_SEQ_INT1M1",	0x10, 0x10 },
-	{ "INT1_CONTEXT",	0x20, 0x20 },
-	{ "INTVEC1DSL",		0x80, 0x80 }
-};
-
-int
-ahd_seqintctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SEQINTCTL_parse_table, 7, "SEQINTCTL",
-	    0xd9, regvalue, cur_col, wrap));
-}
-
-int
-ahd_seqram_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SEQRAM",
-	    0xda, regvalue, cur_col, wrap));
-}
-
-int
-ahd_prgmcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "PRGMCNT",
-	    0xde, regvalue, cur_col, wrap));
-}
-
-int
-ahd_accum_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ACCUM",
-	    0xe0, regvalue, cur_col, wrap));
-}
-
-int
-ahd_sindex_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SINDEX",
-	    0xe2, regvalue, cur_col, wrap));
-}
-
-int
-ahd_dindex_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "DINDEX",
-	    0xe4, regvalue, cur_col, wrap));
-}
-
-int
-ahd_allones_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ALLONES",
-	    0xe8, regvalue, cur_col, wrap));
-}
-
-int
-ahd_allzeros_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ALLZEROS",
-	    0xea, regvalue, cur_col, wrap));
-}
-
-int
-ahd_none_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "NONE",
-	    0xea, regvalue, cur_col, wrap));
-}
-
-int
-ahd_sindir_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SINDIR",
-	    0xec, regvalue, cur_col, wrap));
-}
-
-int
-ahd_dindir_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "DINDIR",
-	    0xed, regvalue, cur_col, wrap));
-}
-
-int
-ahd_stack_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "STACK",
-	    0xf2, regvalue, cur_col, wrap));
-}
-
-int
-ahd_intvec1_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "INTVEC1_ADDR",
-	    0xf4, regvalue, cur_col, wrap));
-}
-
-int
-ahd_curaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CURADDR",
-	    0xf4, regvalue, cur_col, wrap));
-}
-
-int
-ahd_intvec2_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "INTVEC2_ADDR",
-	    0xf6, regvalue, cur_col, wrap));
-}
-
-int
-ahd_longjmp_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LONGJMP_ADDR",
-	    0xf8, regvalue, cur_col, wrap));
-}
-
-int
-ahd_accum_save_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ACCUM_SAVE",
-	    0xfa, regvalue, cur_col, wrap));
-}
-
-int
-ahd_sram_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SRAM_BASE",
-	    0x100, regvalue, cur_col, wrap));
-}
-
-int
-ahd_waiting_scb_tails_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "WAITING_SCB_TAILS",
-	    0x100, regvalue, cur_col, wrap));
-}
-
-int
-ahd_waiting_tid_head_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "WAITING_TID_HEAD",
-	    0x120, regvalue, cur_col, wrap));
-}
-
-int
-ahd_waiting_tid_tail_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "WAITING_TID_TAIL",
-	    0x122, regvalue, cur_col, wrap));
-}
-
-int
-ahd_next_queued_scb_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "NEXT_QUEUED_SCB_ADDR",
-	    0x124, regvalue, cur_col, wrap));
-}
-
-int
-ahd_complete_scb_head_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "COMPLETE_SCB_HEAD",
-	    0x128, regvalue, cur_col, wrap));
-}
-
-int
-ahd_complete_scb_dmainprog_head_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "COMPLETE_SCB_DMAINPROG_HEAD",
-	    0x12a, regvalue, cur_col, wrap));
-}
-
-int
-ahd_complete_dma_scb_head_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "COMPLETE_DMA_SCB_HEAD",
-	    0x12c, regvalue, cur_col, wrap));
-}
-
-int
-ahd_complete_dma_scb_tail_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "COMPLETE_DMA_SCB_TAIL",
-	    0x12e, regvalue, cur_col, wrap));
-}
-
-int
-ahd_complete_on_qfreeze_head_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "COMPLETE_ON_QFREEZE_HEAD",
-	    0x130, regvalue, cur_col, wrap));
-}
-
-int
-ahd_qfreeze_count_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "QFREEZE_COUNT",
-	    0x132, regvalue, cur_col, wrap));
-}
-
-int
-ahd_kernel_qfreeze_count_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "KERNEL_QFREEZE_COUNT",
-	    0x134, regvalue, cur_col, wrap));
-}
-
-int
-ahd_saved_mode_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SAVED_MODE",
-	    0x136, regvalue, cur_col, wrap));
-}
-
-int
-ahd_msg_out_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "MSG_OUT",
-	    0x137, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t DMAPARAMS_parse_table[] = {
-	{ "FIFORESET",		0x01, 0x01 },
-	{ "FIFOFLUSH",		0x02, 0x02 },
-	{ "DIRECTION",		0x04, 0x04 },
-	{ "HDMAEN",		0x08, 0x08 },
-	{ "HDMAENACK",		0x08, 0x08 },
-	{ "SDMAEN",		0x10, 0x10 },
-	{ "SDMAENACK",		0x10, 0x10 },
-	{ "SCSIEN",		0x20, 0x20 },
-	{ "WIDEODD",		0x40, 0x40 },
-	{ "PRELOADEN",		0x80, 0x80 }
-};
-
-int
-ahd_dmaparams_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(DMAPARAMS_parse_table, 10, "DMAPARAMS",
-	    0x138, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SEQ_FLAGS_parse_table[] = {
-	{ "NO_DISCONNECT",	0x01, 0x01 },
-	{ "SPHASE_PENDING",	0x02, 0x02 },
-	{ "DPHASE_PENDING",	0x04, 0x04 },
-	{ "CMDPHASE_PENDING",	0x08, 0x08 },
-	{ "TARG_CMD_PENDING",	0x10, 0x10 },
-	{ "DPHASE",		0x20, 0x20 },
-	{ "NO_CDB_SENT",	0x40, 0x40 },
-	{ "TARGET_CMD_IS_TAGGED",0x40, 0x40 },
-	{ "NOT_IDENTIFIED",	0x80, 0x80 }
-};
-
-int
-ahd_seq_flags_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SEQ_FLAGS_parse_table, 9, "SEQ_FLAGS",
-	    0x139, regvalue, cur_col, wrap));
-}
-
-int
-ahd_saved_scsiid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SAVED_SCSIID",
-	    0x13a, regvalue, cur_col, wrap));
-}
-
-int
-ahd_saved_lun_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SAVED_LUN",
-	    0x13b, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t LASTPHASE_parse_table[] = {
-	{ "P_DATAOUT",		0x00, 0xe0 },
-	{ "P_DATAOUT_DT",	0x20, 0xe0 },
-	{ "P_DATAIN",		0x40, 0xe0 },
-	{ "P_DATAIN_DT",	0x60, 0xe0 },
-	{ "P_COMMAND",		0x80, 0xe0 },
-	{ "P_MESGOUT",		0xa0, 0xe0 },
-	{ "P_STATUS",		0xc0, 0xe0 },
-	{ "P_MESGIN",		0xe0, 0xe0 },
-	{ "P_BUSFREE",		0x01, 0x01 },
-	{ "MSGI",		0x20, 0x20 },
-	{ "IOI",		0x40, 0x40 },
-	{ "CDI",		0x80, 0x80 },
-	{ "PHASE_MASK",		0xe0, 0xe0 }
-};
-
-int
-ahd_lastphase_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(LASTPHASE_parse_table, 13, "LASTPHASE",
-	    0x13c, regvalue, cur_col, wrap));
-}
-
-int
-ahd_qoutfifo_entry_valid_tag_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "QOUTFIFO_ENTRY_VALID_TAG",
-	    0x13d, regvalue, cur_col, wrap));
-}
-
-int
-ahd_kernel_tqinpos_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "KERNEL_TQINPOS",
-	    0x13e, regvalue, cur_col, wrap));
-}
-
-int
-ahd_tqinpos_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "TQINPOS",
-	    0x13f, regvalue, cur_col, wrap));
-}
-
-int
-ahd_shared_data_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SHARED_DATA_ADDR",
-	    0x140, regvalue, cur_col, wrap));
-}
-
-int
-ahd_qoutfifo_next_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "QOUTFIFO_NEXT_ADDR",
-	    0x144, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t ARG_1_parse_table[] = {
-	{ "CONT_MSG_LOOP_TARG",	0x02, 0x02 },
-	{ "CONT_MSG_LOOP_READ",	0x03, 0x03 },
-	{ "CONT_MSG_LOOP_WRITE",0x04, 0x04 },
-	{ "EXIT_MSG_LOOP",	0x08, 0x08 },
-	{ "MSGOUT_PHASEMIS",	0x10, 0x10 },
-	{ "SEND_REJ",		0x20, 0x20 },
-	{ "SEND_SENSE",		0x40, 0x40 },
-	{ "SEND_MSG",		0x80, 0x80 }
-};
-
-int
-ahd_arg_1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(ARG_1_parse_table, 8, "ARG_1",
-	    0x148, regvalue, cur_col, wrap));
-}
-
-int
-ahd_arg_2_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ARG_2",
-	    0x149, regvalue, cur_col, wrap));
-}
-
-int
-ahd_last_msg_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LAST_MSG",
-	    0x14a, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCSISEQ_TEMPLATE_parse_table[] = {
-	{ "ALTSTIM",		0x01, 0x01 },
-	{ "ENAUTOATNP",		0x02, 0x02 },
-	{ "MANUALP",		0x0c, 0x0c },
-	{ "ENRSELI",		0x10, 0x10 },
-	{ "ENSELI",		0x20, 0x20 },
-	{ "MANUALCTL",		0x40, 0x40 }
-};
-
-int
-ahd_scsiseq_template_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCSISEQ_TEMPLATE_parse_table, 6, "SCSISEQ_TEMPLATE",
-	    0x14b, regvalue, cur_col, wrap));
-}
-
-int
-ahd_initiator_tag_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "INITIATOR_TAG",
-	    0x14c, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SEQ_FLAGS2_parse_table[] = {
-	{ "PENDING_MK_MESSAGE",	0x01, 0x01 },
-	{ "TARGET_MSG_PENDING",	0x02, 0x02 },
-	{ "SELECTOUT_QFROZEN",	0x04, 0x04 }
-};
-
-int
-ahd_seq_flags2_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SEQ_FLAGS2_parse_table, 3, "SEQ_FLAGS2",
-	    0x14d, regvalue, cur_col, wrap));
-}
-
-int
-ahd_allocfifo_scbptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "ALLOCFIFO_SCBPTR",
-	    0x14e, regvalue, cur_col, wrap));
-}
-
-int
-ahd_int_coalescing_timer_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "INT_COALESCING_TIMER",
-	    0x150, regvalue, cur_col, wrap));
-}
-
-int
-ahd_int_coalescing_maxcmds_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "INT_COALESCING_MAXCMDS",
-	    0x152, regvalue, cur_col, wrap));
-}
-
-int
-ahd_int_coalescing_mincmds_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "INT_COALESCING_MINCMDS",
-	    0x153, regvalue, cur_col, wrap));
-}
-
-int
-ahd_cmds_pending_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CMDS_PENDING",
-	    0x154, regvalue, cur_col, wrap));
-}
-
-int
-ahd_int_coalescing_cmdcount_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "INT_COALESCING_CMDCOUNT",
-	    0x156, regvalue, cur_col, wrap));
-}
-
-int
-ahd_local_hs_mailbox_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "LOCAL_HS_MAILBOX",
-	    0x157, regvalue, cur_col, wrap));
-}
-
-int
-ahd_cmdsize_table_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "CMDSIZE_TABLE",
-	    0x158, regvalue, cur_col, wrap));
-}
-
-int
-ahd_mk_message_scb_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "MK_MESSAGE_SCB",
-	    0x160, regvalue, cur_col, wrap));
-}
-
-int
-ahd_mk_message_scsiid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "MK_MESSAGE_SCSIID",
-	    0x162, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_residual_datacnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_RESIDUAL_DATACNT",
-	    0x180, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_BASE",
-	    0x180, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCB_RESIDUAL_SGPTR_parse_table[] = {
-	{ "SG_LIST_NULL",	0x01, 0x01 },
-	{ "SG_OVERRUN_RESID",	0x02, 0x02 },
-	{ "SG_ADDR_MASK",	0xf8, 0xf8 }
-};
-
-int
-ahd_scb_residual_sgptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCB_RESIDUAL_SGPTR_parse_table, 3, "SCB_RESIDUAL_SGPTR",
-	    0x184, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_scsi_status_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_SCSI_STATUS",
-	    0x188, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_sense_busaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_SENSE_BUSADDR",
-	    0x18c, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_tag_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_TAG",
-	    0x190, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCB_CONTROL_parse_table[] = {
-	{ "SCB_TAG_TYPE",	0x03, 0x03 },
-	{ "DISCONNECTED",	0x04, 0x04 },
-	{ "STATUS_RCVD",	0x08, 0x08 },
-	{ "MK_MESSAGE",		0x10, 0x10 },
-	{ "TAG_ENB",		0x20, 0x20 },
-	{ "DISCENB",		0x40, 0x40 },
-	{ "TARGET_SCB",		0x80, 0x80 }
-};
-
-int
-ahd_scb_control_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCB_CONTROL_parse_table, 7, "SCB_CONTROL",
-	    0x192, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCB_SCSIID_parse_table[] = {
-	{ "OID",		0x0f, 0x0f },
-	{ "TID",		0xf0, 0xf0 }
-};
-
-int
-ahd_scb_scsiid_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahd_scb_scsiid_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
 	return (ahd_print_register(SCB_SCSIID_parse_table, 2, "SCB_SCSIID",
 	    0x193, regvalue, cur_col, wrap));
 }
 
-static const ahd_reg_parse_entry_t SCB_LUN_parse_table[] = {
-	{ "LID",		0xff, 0xff }
-};
-
-int
-ahd_scb_lun_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCB_LUN_parse_table, 1, "SCB_LUN",
-	    0x194, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCB_TASK_ATTRIBUTE_parse_table[] = {
-	{ "SCB_XFERLEN_ODD",	0x01, 0x01 }
-};
-
-int
-ahd_scb_task_attribute_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCB_TASK_ATTRIBUTE_parse_table, 1, "SCB_TASK_ATTRIBUTE",
-	    0x195, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCB_CDB_LEN_parse_table[] = {
-	{ "SCB_CDB_LEN_PTR",	0x80, 0x80 }
-};
-
-int
-ahd_scb_cdb_len_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCB_CDB_LEN_parse_table, 1, "SCB_CDB_LEN",
-	    0x196, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_task_management_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_TASK_MANAGEMENT",
-	    0x197, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_dataptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_DATAPTR",
-	    0x198, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCB_DATACNT_parse_table[] = {
-	{ "SG_HIGH_ADDR_BITS",	0x7f, 0x7f },
-	{ "SG_LAST_SEG",	0x80, 0x80 }
-};
-
-int
-ahd_scb_datacnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCB_DATACNT_parse_table, 2, "SCB_DATACNT",
-	    0x1a0, regvalue, cur_col, wrap));
-}
-
-static const ahd_reg_parse_entry_t SCB_SGPTR_parse_table[] = {
-	{ "SG_LIST_NULL",	0x01, 0x01 },
-	{ "SG_FULL_RESID",	0x02, 0x02 },
-	{ "SG_STATUS_VALID",	0x04, 0x04 }
-};
-
-int
-ahd_scb_sgptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(SCB_SGPTR_parse_table, 3, "SCB_SGPTR",
-	    0x1a4, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_busaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_BUSADDR",
-	    0x1a8, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_next_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_NEXT",
-	    0x1ac, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_next2_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_NEXT2",
-	    0x1ae, regvalue, cur_col, wrap));
-}
-
-int
-ahd_scb_disconnected_lists_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahd_print_register(NULL, 0, "SCB_DISCONNECTED_LISTS",
-	    0x1b8, regvalue, cur_col, wrap));
-}
-
diff --git a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
index 2ce1febca20..e821082a4f4 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
+++ b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
@@ -26,20 +26,6 @@ ahc_reg_print_t ahc_sxfrctl0_print;
     ahc_print_register(NULL, 0, "SXFRCTL0", 0x01, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sxfrctl1_print;
-#else
-#define ahc_sxfrctl1_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SXFRCTL1", 0x02, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsisigo_print;
-#else
-#define ahc_scsisigo_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSISIGO", 0x03, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_scsisigi_print;
 #else
@@ -54,55 +40,6 @@ ahc_reg_print_t ahc_scsirate_print;
     ahc_print_register(NULL, 0, "SCSIRATE", 0x04, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsiid_print;
-#else
-#define ahc_scsiid_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSIID", 0x05, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsidatl_print;
-#else
-#define ahc_scsidatl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSIDATL", 0x06, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsidath_print;
-#else
-#define ahc_scsidath_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSIDATH", 0x07, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_stcnt_print;
-#else
-#define ahc_stcnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "STCNT", 0x08, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_optionmode_print;
-#else
-#define ahc_optionmode_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "OPTIONMODE", 0x08, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_targcrccnt_print;
-#else
-#define ahc_targcrccnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "TARGCRCCNT", 0x0a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_clrsint0_print;
-#else
-#define ahc_clrsint0_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CLRSINT0", 0x0b, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_sstat0_print;
 #else
@@ -110,13 +47,6 @@ ahc_reg_print_t ahc_sstat0_print;
     ahc_print_register(NULL, 0, "SSTAT0", 0x0b, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_clrsint1_print;
-#else
-#define ahc_clrsint1_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CLRSINT1", 0x0c, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_sstat1_print;
 #else
@@ -138,13 +68,6 @@ ahc_reg_print_t ahc_sstat3_print;
     ahc_print_register(NULL, 0, "SSTAT3", 0x0e, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsiid_ultra2_print;
-#else
-#define ahc_scsiid_ultra2_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSIID_ULTRA2", 0x0f, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_simode0_print;
 #else
@@ -166,76 +89,6 @@ ahc_reg_print_t ahc_scsibusl_print;
     ahc_print_register(NULL, 0, "SCSIBUSL", 0x12, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsibush_print;
-#else
-#define ahc_scsibush_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSIBUSH", 0x13, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sxfrctl2_print;
-#else
-#define ahc_sxfrctl2_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SXFRCTL2", 0x13, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_shaddr_print;
-#else
-#define ahc_shaddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SHADDR", 0x14, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_seltimer_print;
-#else
-#define ahc_seltimer_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SELTIMER", 0x18, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_selid_print;
-#else
-#define ahc_selid_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SELID", 0x19, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scamctl_print;
-#else
-#define ahc_scamctl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCAMCTL", 0x1a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_targid_print;
-#else
-#define ahc_targid_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "TARGID", 0x1b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_spiocap_print;
-#else
-#define ahc_spiocap_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SPIOCAP", 0x1b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_brdctl_print;
-#else
-#define ahc_brdctl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "BRDCTL", 0x1d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_seectl_print;
-#else
-#define ahc_seectl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SEECTL", 0x1e, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_sblkctl_print;
 #else
@@ -243,62 +96,6 @@ ahc_reg_print_t ahc_sblkctl_print;
     ahc_print_register(NULL, 0, "SBLKCTL", 0x1f, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_busy_targets_print;
-#else
-#define ahc_busy_targets_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "BUSY_TARGETS", 0x20, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ultra_enb_print;
-#else
-#define ahc_ultra_enb_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "ULTRA_ENB", 0x30, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_disc_dsb_print;
-#else
-#define ahc_disc_dsb_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DISC_DSB", 0x32, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_cmdsize_table_tail_print;
-#else
-#define ahc_cmdsize_table_tail_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CMDSIZE_TABLE_TAIL", 0x34, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_mwi_residual_print;
-#else
-#define ahc_mwi_residual_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "MWI_RESIDUAL", 0x38, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_next_queued_scb_print;
-#else
-#define ahc_next_queued_scb_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "NEXT_QUEUED_SCB", 0x39, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_msg_out_print;
-#else
-#define ahc_msg_out_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "MSG_OUT", 0x3a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dmaparams_print;
-#else
-#define ahc_dmaparams_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DMAPARAMS", 0x3b, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_seq_flags_print;
 #else
@@ -306,20 +103,6 @@ ahc_reg_print_t ahc_seq_flags_print;
     ahc_print_register(NULL, 0, "SEQ_FLAGS", 0x3c, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_saved_scsiid_print;
-#else
-#define ahc_saved_scsiid_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SAVED_SCSIID", 0x3d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_saved_lun_print;
-#else
-#define ahc_saved_lun_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SAVED_LUN", 0x3e, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_lastphase_print;
 #else
@@ -327,153 +110,6 @@ ahc_reg_print_t ahc_lastphase_print;
     ahc_print_register(NULL, 0, "LASTPHASE", 0x3f, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_waiting_scbh_print;
-#else
-#define ahc_waiting_scbh_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "WAITING_SCBH", 0x40, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_disconnected_scbh_print;
-#else
-#define ahc_disconnected_scbh_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DISCONNECTED_SCBH", 0x41, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_free_scbh_print;
-#else
-#define ahc_free_scbh_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "FREE_SCBH", 0x42, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_complete_scbh_print;
-#else
-#define ahc_complete_scbh_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "COMPLETE_SCBH", 0x43, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_hscb_addr_print;
-#else
-#define ahc_hscb_addr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HSCB_ADDR", 0x44, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_shared_data_addr_print;
-#else
-#define ahc_shared_data_addr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SHARED_DATA_ADDR", 0x48, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_kernel_qinpos_print;
-#else
-#define ahc_kernel_qinpos_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "KERNEL_QINPOS", 0x4c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_qinpos_print;
-#else
-#define ahc_qinpos_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "QINPOS", 0x4d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_qoutpos_print;
-#else
-#define ahc_qoutpos_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "QOUTPOS", 0x4e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_kernel_tqinpos_print;
-#else
-#define ahc_kernel_tqinpos_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "KERNEL_TQINPOS", 0x4f, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_tqinpos_print;
-#else
-#define ahc_tqinpos_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "TQINPOS", 0x50, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_arg_1_print;
-#else
-#define ahc_arg_1_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "ARG_1", 0x51, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_arg_2_print;
-#else
-#define ahc_arg_2_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "ARG_2", 0x52, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_last_msg_print;
-#else
-#define ahc_last_msg_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "LAST_MSG", 0x53, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsiseq_template_print;
-#else
-#define ahc_scsiseq_template_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSISEQ_TEMPLATE", 0x54, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ha_274_biosglobal_print;
-#else
-#define ahc_ha_274_biosglobal_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HA_274_BIOSGLOBAL", 0x56, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_seq_flags2_print;
-#else
-#define ahc_seq_flags2_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SEQ_FLAGS2", 0x57, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scsiconf_print;
-#else
-#define ahc_scsiconf_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCSICONF", 0x5a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_intdef_print;
-#else
-#define ahc_intdef_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "INTDEF", 0x5c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_hostconf_print;
-#else
-#define ahc_hostconf_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HOSTCONF", 0x5d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ha_274_biosctrl_print;
-#else
-#define ahc_ha_274_biosctrl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HA_274_BIOSCTRL", 0x5f, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_seqctl_print;
 #else
@@ -481,111 +117,6 @@ ahc_reg_print_t ahc_seqctl_print;
     ahc_print_register(NULL, 0, "SEQCTL", 0x60, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_seqram_print;
-#else
-#define ahc_seqram_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SEQRAM", 0x61, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_seqaddr0_print;
-#else
-#define ahc_seqaddr0_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SEQADDR0", 0x62, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_seqaddr1_print;
-#else
-#define ahc_seqaddr1_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SEQADDR1", 0x63, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_accum_print;
-#else
-#define ahc_accum_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "ACCUM", 0x64, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sindex_print;
-#else
-#define ahc_sindex_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SINDEX", 0x65, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dindex_print;
-#else
-#define ahc_dindex_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DINDEX", 0x66, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_allones_print;
-#else
-#define ahc_allones_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "ALLONES", 0x69, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_allzeros_print;
-#else
-#define ahc_allzeros_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "ALLZEROS", 0x6a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_none_print;
-#else
-#define ahc_none_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "NONE", 0x6a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_flags_print;
-#else
-#define ahc_flags_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "FLAGS", 0x6b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sindir_print;
-#else
-#define ahc_sindir_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SINDIR", 0x6c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dindir_print;
-#else
-#define ahc_dindir_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DINDIR", 0x6d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_function1_print;
-#else
-#define ahc_function1_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "FUNCTION1", 0x6e, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_stack_print;
-#else
-#define ahc_stack_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "STACK", 0x6f, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_targ_offset_print;
-#else
-#define ahc_targ_offset_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "TARG_OFFSET", 0x70, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_sram_base_print;
 #else
@@ -593,97 +124,6 @@ ahc_reg_print_t ahc_sram_base_print;
     ahc_print_register(NULL, 0, "SRAM_BASE", 0x70, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_bctl_print;
-#else
-#define ahc_bctl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "BCTL", 0x84, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dscommand0_print;
-#else
-#define ahc_dscommand0_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DSCOMMAND0", 0x84, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_bustime_print;
-#else
-#define ahc_bustime_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "BUSTIME", 0x85, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dscommand1_print;
-#else
-#define ahc_dscommand1_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DSCOMMAND1", 0x85, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_busspd_print;
-#else
-#define ahc_busspd_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "BUSSPD", 0x86, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_hs_mailbox_print;
-#else
-#define ahc_hs_mailbox_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HS_MAILBOX", 0x86, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dspcistatus_print;
-#else
-#define ahc_dspcistatus_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DSPCISTATUS", 0x86, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_hcntrl_print;
-#else
-#define ahc_hcntrl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HCNTRL", 0x87, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_haddr_print;
-#else
-#define ahc_haddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HADDR", 0x88, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_hcnt_print;
-#else
-#define ahc_hcnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HCNT", 0x8c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scbptr_print;
-#else
-#define ahc_scbptr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCBPTR", 0x90, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_intstat_print;
-#else
-#define ahc_intstat_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "INTSTAT", 0x91, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_clrint_print;
-#else
-#define ahc_clrint_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CLRINT", 0x92, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_error_print;
 #else
@@ -705,69 +145,6 @@ ahc_reg_print_t ahc_dfstatus_print;
     ahc_print_register(NULL, 0, "DFSTATUS", 0x94, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dfwaddr_print;
-#else
-#define ahc_dfwaddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DFWADDR", 0x95, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dfraddr_print;
-#else
-#define ahc_dfraddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DFRADDR", 0x97, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dfdat_print;
-#else
-#define ahc_dfdat_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DFDAT", 0x99, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scbcnt_print;
-#else
-#define ahc_scbcnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCBCNT", 0x9a, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_qinfifo_print;
-#else
-#define ahc_qinfifo_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "QINFIFO", 0x9b, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_qincnt_print;
-#else
-#define ahc_qincnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "QINCNT", 0x9c, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_qoutfifo_print;
-#else
-#define ahc_qoutfifo_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "QOUTFIFO", 0x9d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_crccontrol1_print;
-#else
-#define ahc_crccontrol1_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CRCCONTROL1", 0x9d, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_qoutcnt_print;
-#else
-#define ahc_qoutcnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "QOUTCNT", 0x9e, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_scsiphase_print;
 #else
@@ -775,13 +152,6 @@ ahc_reg_print_t ahc_scsiphase_print;
     ahc_print_register(NULL, 0, "SCSIPHASE", 0x9e, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sfunct_print;
-#else
-#define ahc_sfunct_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SFUNCT", 0x9f, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_scb_base_print;
 #else
@@ -789,69 +159,6 @@ ahc_reg_print_t ahc_scb_base_print;
     ahc_print_register(NULL, 0, "SCB_BASE", 0xa0, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_cdb_ptr_print;
-#else
-#define ahc_scb_cdb_ptr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_CDB_PTR", 0xa0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_residual_sgptr_print;
-#else
-#define ahc_scb_residual_sgptr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_RESIDUAL_SGPTR", 0xa4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_scsi_status_print;
-#else
-#define ahc_scb_scsi_status_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_SCSI_STATUS", 0xa8, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_target_phases_print;
-#else
-#define ahc_scb_target_phases_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_TARGET_PHASES", 0xa9, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_target_data_dir_print;
-#else
-#define ahc_scb_target_data_dir_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_TARGET_DATA_DIR", 0xaa, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_target_itag_print;
-#else
-#define ahc_scb_target_itag_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_TARGET_ITAG", 0xab, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_dataptr_print;
-#else
-#define ahc_scb_dataptr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_DATAPTR", 0xac, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_datacnt_print;
-#else
-#define ahc_scb_datacnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_DATACNT", 0xb0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_sgptr_print;
-#else
-#define ahc_scb_sgptr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_SGPTR", 0xb4, regvalue, cur_col, wrap)
-#endif
-
 #if AIC_DEBUG_REGISTERS
 ahc_reg_print_t ahc_scb_control_print;
 #else
@@ -880,188 +187,6 @@ ahc_reg_print_t ahc_scb_tag_print;
     ahc_print_register(NULL, 0, "SCB_TAG", 0xbb, regvalue, cur_col, wrap)
 #endif
 
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_cdb_len_print;
-#else
-#define ahc_scb_cdb_len_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_CDB_LEN", 0xbc, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_scsirate_print;
-#else
-#define ahc_scb_scsirate_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_SCSIRATE", 0xbd, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_scsioffset_print;
-#else
-#define ahc_scb_scsioffset_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_SCSIOFFSET", 0xbe, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_next_print;
-#else
-#define ahc_scb_next_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_NEXT", 0xbf, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_64_spare_print;
-#else
-#define ahc_scb_64_spare_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_64_SPARE", 0xc0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_seectl_2840_print;
-#else
-#define ahc_seectl_2840_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SEECTL_2840", 0xc0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_status_2840_print;
-#else
-#define ahc_status_2840_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "STATUS_2840", 0xc1, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scb_64_btt_print;
-#else
-#define ahc_scb_64_btt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCB_64_BTT", 0xd0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_cchaddr_print;
-#else
-#define ahc_cchaddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCHADDR", 0xe0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_cchcnt_print;
-#else
-#define ahc_cchcnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCHCNT", 0xe8, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccsgram_print;
-#else
-#define ahc_ccsgram_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSGRAM", 0xe9, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccsgaddr_print;
-#else
-#define ahc_ccsgaddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSGADDR", 0xea, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccsgctl_print;
-#else
-#define ahc_ccsgctl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSGCTL", 0xeb, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccscbram_print;
-#else
-#define ahc_ccscbram_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSCBRAM", 0xec, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccscbaddr_print;
-#else
-#define ahc_ccscbaddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSCBADDR", 0xed, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccscbctl_print;
-#else
-#define ahc_ccscbctl_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSCBCTL", 0xee, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccscbcnt_print;
-#else
-#define ahc_ccscbcnt_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSCBCNT", 0xef, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_scbbaddr_print;
-#else
-#define ahc_scbbaddr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SCBBADDR", 0xf0, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_ccscbptr_print;
-#else
-#define ahc_ccscbptr_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "CCSCBPTR", 0xf1, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_hnscb_qoff_print;
-#else
-#define ahc_hnscb_qoff_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "HNSCB_QOFF", 0xf4, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_snscb_qoff_print;
-#else
-#define ahc_snscb_qoff_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SNSCB_QOFF", 0xf6, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sdscb_qoff_print;
-#else
-#define ahc_sdscb_qoff_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SDSCB_QOFF", 0xf8, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_qoff_ctlsta_print;
-#else
-#define ahc_qoff_ctlsta_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "QOFF_CTLSTA", 0xfa, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_dff_thrsh_print;
-#else
-#define ahc_dff_thrsh_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "DFF_THRSH", 0xfb, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sg_cache_shadow_print;
-#else
-#define ahc_sg_cache_shadow_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SG_CACHE_SHADOW", 0xfc, regvalue, cur_col, wrap)
-#endif
-
-#if AIC_DEBUG_REGISTERS
-ahc_reg_print_t ahc_sg_cache_pre_print;
-#else
-#define ahc_sg_cache_pre_print(regvalue, cur_col, wrap) \
-    ahc_print_register(NULL, 0, "SG_CACHE_PRE", 0xfc, regvalue, cur_col, wrap)
-#endif
-
 
 #define	SCSISEQ         		0x00
 #define		TEMODE          	0x80
diff --git a/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped b/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped
index 309a562b009..9f9b88047d0 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped
+++ b/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped
@@ -43,48 +43,6 @@ ahc_sxfrctl0_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x01, regvalue, cur_col, wrap));
 }
 
-static const ahc_reg_parse_entry_t SXFRCTL1_parse_table[] = {
-	{ "STPWEN",		0x01, 0x01 },
-	{ "ACTNEGEN",		0x02, 0x02 },
-	{ "ENSTIMER",		0x04, 0x04 },
-	{ "ENSPCHK",		0x20, 0x20 },
-	{ "SWRAPEN",		0x40, 0x40 },
-	{ "BITBUCKET",		0x80, 0x80 },
-	{ "STIMESEL",		0x18, 0x18 }
-};
-
-int
-ahc_sxfrctl1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SXFRCTL1_parse_table, 7, "SXFRCTL1",
-	    0x02, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCSISIGO_parse_table[] = {
-	{ "ACKO",		0x01, 0x01 },
-	{ "REQO",		0x02, 0x02 },
-	{ "BSYO",		0x04, 0x04 },
-	{ "SELO",		0x08, 0x08 },
-	{ "ATNO",		0x10, 0x10 },
-	{ "MSGO",		0x20, 0x20 },
-	{ "IOO",		0x40, 0x40 },
-	{ "CDO",		0x80, 0x80 },
-	{ "P_DATAOUT",		0x00, 0x00 },
-	{ "P_DATAIN",		0x40, 0x40 },
-	{ "P_COMMAND",		0x80, 0x80 },
-	{ "P_MESGOUT",		0xa0, 0xa0 },
-	{ "P_STATUS",		0xc0, 0xc0 },
-	{ "PHASE_MASK",		0xe0, 0xe0 },
-	{ "P_MESGIN",		0xe0, 0xe0 }
-};
-
-int
-ahc_scsisigo_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCSISIGO_parse_table, 15, "SCSISIGO",
-	    0x03, regvalue, cur_col, wrap));
-}
-
 static const ahc_reg_parse_entry_t SCSISIGI_parse_table[] = {
 	{ "ACKI",		0x01, 0x01 },
 	{ "REQI",		0x02, 0x02 },
@@ -128,77 +86,6 @@ ahc_scsirate_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x04, regvalue, cur_col, wrap));
 }
 
-static const ahc_reg_parse_entry_t SCSIID_parse_table[] = {
-	{ "TWIN_CHNLB",		0x80, 0x80 },
-	{ "OID",		0x0f, 0x0f },
-	{ "TWIN_TID",		0x70, 0x70 },
-	{ "SOFS_ULTRA2",	0x7f, 0x7f },
-	{ "TID",		0xf0, 0xf0 }
-};
-
-int
-ahc_scsiid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCSIID_parse_table, 5, "SCSIID",
-	    0x05, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scsidatl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCSIDATL",
-	    0x06, regvalue, cur_col, wrap));
-}
-
-int
-ahc_stcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "STCNT",
-	    0x08, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t OPTIONMODE_parse_table[] = {
-	{ "DIS_MSGIN_DUALEDGE",	0x01, 0x01 },
-	{ "AUTO_MSGOUT_DE",	0x02, 0x02 },
-	{ "SCSIDATL_IMGEN",	0x04, 0x04 },
-	{ "EXPPHASEDIS",	0x08, 0x08 },
-	{ "BUSFREEREV",		0x10, 0x10 },
-	{ "ATNMGMNTEN",		0x20, 0x20 },
-	{ "AUTOACKEN",		0x40, 0x40 },
-	{ "AUTORATEEN",		0x80, 0x80 },
-	{ "OPTIONMODE_DEFAULTS",0x03, 0x03 }
-};
-
-int
-ahc_optionmode_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(OPTIONMODE_parse_table, 9, "OPTIONMODE",
-	    0x08, regvalue, cur_col, wrap));
-}
-
-int
-ahc_targcrccnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "TARGCRCCNT",
-	    0x0a, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t CLRSINT0_parse_table[] = {
-	{ "CLRSPIORDY",		0x02, 0x02 },
-	{ "CLRSWRAP",		0x08, 0x08 },
-	{ "CLRIOERR",		0x08, 0x08 },
-	{ "CLRSELINGO",		0x10, 0x10 },
-	{ "CLRSELDI",		0x20, 0x20 },
-	{ "CLRSELDO",		0x40, 0x40 }
-};
-
-int
-ahc_clrsint0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(CLRSINT0_parse_table, 6, "CLRSINT0",
-	    0x0b, regvalue, cur_col, wrap));
-}
-
 static const ahc_reg_parse_entry_t SSTAT0_parse_table[] = {
 	{ "DMADONE",		0x01, 0x01 },
 	{ "SPIORDY",		0x02, 0x02 },
@@ -218,23 +105,6 @@ ahc_sstat0_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x0b, regvalue, cur_col, wrap));
 }
 
-static const ahc_reg_parse_entry_t CLRSINT1_parse_table[] = {
-	{ "CLRREQINIT",		0x01, 0x01 },
-	{ "CLRPHASECHG",	0x02, 0x02 },
-	{ "CLRSCSIPERR",	0x04, 0x04 },
-	{ "CLRBUSFREE",		0x08, 0x08 },
-	{ "CLRSCSIRSTI",	0x20, 0x20 },
-	{ "CLRATNO",		0x40, 0x40 },
-	{ "CLRSELTIMEO",	0x80, 0x80 }
-};
-
-int
-ahc_clrsint1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(CLRSINT1_parse_table, 7, "CLRSINT1",
-	    0x0c, regvalue, cur_col, wrap));
-}
-
 static const ahc_reg_parse_entry_t SSTAT1_parse_table[] = {
 	{ "REQINIT",		0x01, 0x01 },
 	{ "PHASECHG",		0x02, 0x02 },
@@ -284,18 +154,6 @@ ahc_sstat3_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x0e, regvalue, cur_col, wrap));
 }
 
-static const ahc_reg_parse_entry_t SCSIID_ULTRA2_parse_table[] = {
-	{ "OID",		0x0f, 0x0f },
-	{ "TID",		0xf0, 0xf0 }
-};
-
-int
-ahc_scsiid_ultra2_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCSIID_ULTRA2_parse_table, 2, "SCSIID_ULTRA2",
-	    0x0f, regvalue, cur_col, wrap));
-}
-
 static const ahc_reg_parse_entry_t SIMODE0_parse_table[] = {
 	{ "ENDMADONE",		0x01, 0x01 },
 	{ "ENSPIORDY",		0x02, 0x02 },
@@ -339,107 +197,6 @@ ahc_scsibusl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x12, regvalue, cur_col, wrap));
 }
 
-int
-ahc_shaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SHADDR",
-	    0x14, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SELTIMER_parse_table[] = {
-	{ "STAGE1",		0x01, 0x01 },
-	{ "STAGE2",		0x02, 0x02 },
-	{ "STAGE3",		0x04, 0x04 },
-	{ "STAGE4",		0x08, 0x08 },
-	{ "STAGE5",		0x10, 0x10 },
-	{ "STAGE6",		0x20, 0x20 }
-};
-
-int
-ahc_seltimer_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SELTIMER_parse_table, 6, "SELTIMER",
-	    0x18, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SELID_parse_table[] = {
-	{ "ONEBIT",		0x08, 0x08 },
-	{ "SELID_MASK",		0xf0, 0xf0 }
-};
-
-int
-ahc_selid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SELID_parse_table, 2, "SELID",
-	    0x19, regvalue, cur_col, wrap));
-}
-
-int
-ahc_targid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "TARGID",
-	    0x1b, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SPIOCAP_parse_table[] = {
-	{ "SSPIOCPS",		0x01, 0x01 },
-	{ "ROM",		0x02, 0x02 },
-	{ "EEPROM",		0x04, 0x04 },
-	{ "SEEPROM",		0x08, 0x08 },
-	{ "EXT_BRDCTL",		0x10, 0x10 },
-	{ "SOFTCMDEN",		0x20, 0x20 },
-	{ "SOFT0",		0x40, 0x40 },
-	{ "SOFT1",		0x80, 0x80 }
-};
-
-int
-ahc_spiocap_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SPIOCAP_parse_table, 8, "SPIOCAP",
-	    0x1b, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t BRDCTL_parse_table[] = {
-	{ "BRDCTL0",		0x01, 0x01 },
-	{ "BRDSTB_ULTRA2",	0x01, 0x01 },
-	{ "BRDCTL1",		0x02, 0x02 },
-	{ "BRDRW_ULTRA2",	0x02, 0x02 },
-	{ "BRDRW",		0x04, 0x04 },
-	{ "BRDDAT2",		0x04, 0x04 },
-	{ "BRDCS",		0x08, 0x08 },
-	{ "BRDDAT3",		0x08, 0x08 },
-	{ "BRDSTB",		0x10, 0x10 },
-	{ "BRDDAT4",		0x10, 0x10 },
-	{ "BRDDAT5",		0x20, 0x20 },
-	{ "BRDDAT6",		0x40, 0x40 },
-	{ "BRDDAT7",		0x80, 0x80 }
-};
-
-int
-ahc_brdctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(BRDCTL_parse_table, 13, "BRDCTL",
-	    0x1d, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SEECTL_parse_table[] = {
-	{ "SEEDI",		0x01, 0x01 },
-	{ "SEEDO",		0x02, 0x02 },
-	{ "SEECK",		0x04, 0x04 },
-	{ "SEECS",		0x08, 0x08 },
-	{ "SEERDY",		0x10, 0x10 },
-	{ "SEEMS",		0x20, 0x20 },
-	{ "EXTARBREQ",		0x40, 0x40 },
-	{ "EXTARBACK",		0x80, 0x80 }
-};
-
-int
-ahc_seectl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SEECTL_parse_table, 8, "SEECTL",
-	    0x1e, regvalue, cur_col, wrap));
-}
-
 static const ahc_reg_parse_entry_t SBLKCTL_parse_table[] = {
 	{ "XCVR",		0x01, 0x01 },
 	{ "SELWIDE",		0x02, 0x02 },
@@ -458,68 +215,6 @@ ahc_sblkctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x1f, regvalue, cur_col, wrap));
 }
 
-int
-ahc_busy_targets_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "BUSY_TARGETS",
-	    0x20, regvalue, cur_col, wrap));
-}
-
-int
-ahc_ultra_enb_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "ULTRA_ENB",
-	    0x30, regvalue, cur_col, wrap));
-}
-
-int
-ahc_disc_dsb_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "DISC_DSB",
-	    0x32, regvalue, cur_col, wrap));
-}
-
-int
-ahc_mwi_residual_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "MWI_RESIDUAL",
-	    0x38, regvalue, cur_col, wrap));
-}
-
-int
-ahc_next_queued_scb_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "NEXT_QUEUED_SCB",
-	    0x39, regvalue, cur_col, wrap));
-}
-
-int
-ahc_msg_out_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "MSG_OUT",
-	    0x3a, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t DMAPARAMS_parse_table[] = {
-	{ "FIFORESET",		0x01, 0x01 },
-	{ "FIFOFLUSH",		0x02, 0x02 },
-	{ "DIRECTION",		0x04, 0x04 },
-	{ "HDMAEN",		0x08, 0x08 },
-	{ "HDMAENACK",		0x08, 0x08 },
-	{ "SDMAEN",		0x10, 0x10 },
-	{ "SDMAENACK",		0x10, 0x10 },
-	{ "SCSIEN",		0x20, 0x20 },
-	{ "WIDEODD",		0x40, 0x40 },
-	{ "PRELOADEN",		0x80, 0x80 }
-};
-
-int
-ahc_dmaparams_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(DMAPARAMS_parse_table, 10, "DMAPARAMS",
-	    0x3b, regvalue, cur_col, wrap));
-}
-
 static const ahc_reg_parse_entry_t SEQ_FLAGS_parse_table[] = {
 	{ "NO_DISCONNECT",	0x01, 0x01 },
 	{ "SPHASE_PENDING",	0x02, 0x02 },
@@ -539,20 +234,6 @@ ahc_seq_flags_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x3c, regvalue, cur_col, wrap));
 }
 
-int
-ahc_saved_scsiid_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SAVED_SCSIID",
-	    0x3d, regvalue, cur_col, wrap));
-}
-
-int
-ahc_saved_lun_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SAVED_LUN",
-	    0x3e, regvalue, cur_col, wrap));
-}
-
 static const ahc_reg_parse_entry_t LASTPHASE_parse_table[] = {
 	{ "MSGI",		0x20, 0x20 },
 	{ "IOI",		0x40, 0x40 },
@@ -574,728 +255,127 @@ ahc_lastphase_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0x3f, regvalue, cur_col, wrap));
 }
 
-int
-ahc_waiting_scbh_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "WAITING_SCBH",
-	    0x40, regvalue, cur_col, wrap));
-}
+static const ahc_reg_parse_entry_t SEQCTL_parse_table[] = {
+	{ "LOADRAM",		0x01, 0x01 },
+	{ "SEQRESET",		0x02, 0x02 },
+	{ "STEP",		0x04, 0x04 },
+	{ "BRKADRINTEN",	0x08, 0x08 },
+	{ "FASTMODE",		0x10, 0x10 },
+	{ "FAILDIS",		0x20, 0x20 },
+	{ "PAUSEDIS",		0x40, 0x40 },
+	{ "PERRORDIS",		0x80, 0x80 }
+};
 
 int
-ahc_disconnected_scbh_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_seqctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "DISCONNECTED_SCBH",
-	    0x41, regvalue, cur_col, wrap));
+	return (ahc_print_register(SEQCTL_parse_table, 8, "SEQCTL",
+	    0x60, regvalue, cur_col, wrap));
 }
 
 int
-ahc_free_scbh_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_sram_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "FREE_SCBH",
-	    0x42, regvalue, cur_col, wrap));
+	return (ahc_print_register(NULL, 0, "SRAM_BASE",
+	    0x70, regvalue, cur_col, wrap));
 }
 
-int
-ahc_hscb_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "HSCB_ADDR",
-	    0x44, regvalue, cur_col, wrap));
-}
+static const ahc_reg_parse_entry_t ERROR_parse_table[] = {
+	{ "ILLHADDR",		0x01, 0x01 },
+	{ "ILLSADDR",		0x02, 0x02 },
+	{ "ILLOPCODE",		0x04, 0x04 },
+	{ "SQPARERR",		0x08, 0x08 },
+	{ "DPARERR",		0x10, 0x10 },
+	{ "MPARERR",		0x20, 0x20 },
+	{ "PCIERRSTAT",		0x40, 0x40 },
+	{ "CIOPARERR",		0x80, 0x80 }
+};
 
 int
-ahc_shared_data_addr_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_error_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "SHARED_DATA_ADDR",
-	    0x48, regvalue, cur_col, wrap));
+	return (ahc_print_register(ERROR_parse_table, 8, "ERROR",
+	    0x92, regvalue, cur_col, wrap));
 }
 
-int
-ahc_kernel_qinpos_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "KERNEL_QINPOS",
-	    0x4c, regvalue, cur_col, wrap));
-}
+static const ahc_reg_parse_entry_t DFCNTRL_parse_table[] = {
+	{ "FIFORESET",		0x01, 0x01 },
+	{ "FIFOFLUSH",		0x02, 0x02 },
+	{ "DIRECTION",		0x04, 0x04 },
+	{ "HDMAEN",		0x08, 0x08 },
+	{ "HDMAENACK",		0x08, 0x08 },
+	{ "SDMAEN",		0x10, 0x10 },
+	{ "SDMAENACK",		0x10, 0x10 },
+	{ "SCSIEN",		0x20, 0x20 },
+	{ "WIDEODD",		0x40, 0x40 },
+	{ "PRELOADEN",		0x80, 0x80 }
+};
 
 int
-ahc_qinpos_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_dfcntrl_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "QINPOS",
-	    0x4d, regvalue, cur_col, wrap));
+	return (ahc_print_register(DFCNTRL_parse_table, 10, "DFCNTRL",
+	    0x93, regvalue, cur_col, wrap));
 }
 
+static const ahc_reg_parse_entry_t DFSTATUS_parse_table[] = {
+	{ "FIFOEMP",		0x01, 0x01 },
+	{ "FIFOFULL",		0x02, 0x02 },
+	{ "DFTHRESH",		0x04, 0x04 },
+	{ "HDONE",		0x08, 0x08 },
+	{ "MREQPEND",		0x10, 0x10 },
+	{ "FIFOQWDEMP",		0x20, 0x20 },
+	{ "DFCACHETH",		0x40, 0x40 },
+	{ "PRELOAD_AVAIL",	0x80, 0x80 }
+};
+
 int
-ahc_qoutpos_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_dfstatus_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "QOUTPOS",
-	    0x4e, regvalue, cur_col, wrap));
+	return (ahc_print_register(DFSTATUS_parse_table, 8, "DFSTATUS",
+	    0x94, regvalue, cur_col, wrap));
 }
 
+static const ahc_reg_parse_entry_t SCSIPHASE_parse_table[] = {
+	{ "DATA_OUT_PHASE",	0x01, 0x01 },
+	{ "DATA_IN_PHASE",	0x02, 0x02 },
+	{ "MSG_OUT_PHASE",	0x04, 0x04 },
+	{ "MSG_IN_PHASE",	0x08, 0x08 },
+	{ "COMMAND_PHASE",	0x10, 0x10 },
+	{ "STATUS_PHASE",	0x20, 0x20 },
+	{ "DATA_PHASE_MASK",	0x03, 0x03 }
+};
+
 int
-ahc_kernel_tqinpos_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_scsiphase_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "KERNEL_TQINPOS",
-	    0x4f, regvalue, cur_col, wrap));
+	return (ahc_print_register(SCSIPHASE_parse_table, 7, "SCSIPHASE",
+	    0x9e, regvalue, cur_col, wrap));
 }
 
 int
-ahc_tqinpos_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_scb_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "TQINPOS",
-	    0x50, regvalue, cur_col, wrap));
+	return (ahc_print_register(NULL, 0, "SCB_BASE",
+	    0xa0, regvalue, cur_col, wrap));
 }
 
-static const ahc_reg_parse_entry_t ARG_1_parse_table[] = {
-	{ "CONT_TARG_SESSION",	0x02, 0x02 },
-	{ "CONT_MSG_LOOP",	0x04, 0x04 },
-	{ "EXIT_MSG_LOOP",	0x08, 0x08 },
-	{ "MSGOUT_PHASEMIS",	0x10, 0x10 },
-	{ "SEND_REJ",		0x20, 0x20 },
-	{ "SEND_SENSE",		0x40, 0x40 },
-	{ "SEND_MSG",		0x80, 0x80 }
+static const ahc_reg_parse_entry_t SCB_CONTROL_parse_table[] = {
+	{ "DISCONNECTED",	0x04, 0x04 },
+	{ "ULTRAENB",		0x08, 0x08 },
+	{ "MK_MESSAGE",		0x10, 0x10 },
+	{ "TAG_ENB",		0x20, 0x20 },
+	{ "DISCENB",		0x40, 0x40 },
+	{ "TARGET_SCB",		0x80, 0x80 },
+	{ "STATUS_RCVD",	0x80, 0x80 },
+	{ "SCB_TAG_TYPE",	0x03, 0x03 }
 };
 
 int
-ahc_arg_1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(ARG_1_parse_table, 7, "ARG_1",
-	    0x51, regvalue, cur_col, wrap));
-}
-
-int
-ahc_arg_2_print(u_int regvalue, u_int *cur_col, u_int wrap)
+ahc_scb_control_print(u_int regvalue, u_int *cur_col, u_int wrap)
 {
-	return (ahc_print_register(NULL, 0, "ARG_2",
-	    0x52, regvalue, cur_col, wrap));
-}
-
-int
-ahc_last_msg_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "LAST_MSG",
-	    0x53, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCSISEQ_TEMPLATE_parse_table[] = {
-	{ "ENAUTOATNP",		0x02, 0x02 },
-	{ "ENAUTOATNI",		0x04, 0x04 },
-	{ "ENAUTOATNO",		0x08, 0x08 },
-	{ "ENRSELI",		0x10, 0x10 },
-	{ "ENSELI",		0x20, 0x20 },
-	{ "ENSELO",		0x40, 0x40 }
-};
-
-int
-ahc_scsiseq_template_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCSISEQ_TEMPLATE_parse_table, 6, "SCSISEQ_TEMPLATE",
-	    0x54, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t HA_274_BIOSGLOBAL_parse_table[] = {
-	{ "HA_274_EXTENDED_TRANS",0x01, 0x01 }
-};
-
-int
-ahc_ha_274_biosglobal_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(HA_274_BIOSGLOBAL_parse_table, 1, "HA_274_BIOSGLOBAL",
-	    0x56, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SEQ_FLAGS2_parse_table[] = {
-	{ "SCB_DMA",		0x01, 0x01 },
-	{ "TARGET_MSG_PENDING",	0x02, 0x02 }
-};
-
-int
-ahc_seq_flags2_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SEQ_FLAGS2_parse_table, 2, "SEQ_FLAGS2",
-	    0x57, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCSICONF_parse_table[] = {
-	{ "ENSPCHK",		0x20, 0x20 },
-	{ "RESET_SCSI",		0x40, 0x40 },
-	{ "TERM_ENB",		0x80, 0x80 },
-	{ "HSCSIID",		0x07, 0x07 },
-	{ "HWSCSIID",		0x0f, 0x0f }
-};
-
-int
-ahc_scsiconf_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCSICONF_parse_table, 5, "SCSICONF",
-	    0x5a, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t INTDEF_parse_table[] = {
-	{ "EDGE_TRIG",		0x80, 0x80 },
-	{ "VECTOR",		0x0f, 0x0f }
-};
-
-int
-ahc_intdef_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(INTDEF_parse_table, 2, "INTDEF",
-	    0x5c, regvalue, cur_col, wrap));
-}
-
-int
-ahc_hostconf_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "HOSTCONF",
-	    0x5d, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t HA_274_BIOSCTRL_parse_table[] = {
-	{ "CHANNEL_B_PRIMARY",	0x08, 0x08 },
-	{ "BIOSMODE",		0x30, 0x30 },
-	{ "BIOSDISABLED",	0x30, 0x30 }
-};
-
-int
-ahc_ha_274_biosctrl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(HA_274_BIOSCTRL_parse_table, 3, "HA_274_BIOSCTRL",
-	    0x5f, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SEQCTL_parse_table[] = {
-	{ "LOADRAM",		0x01, 0x01 },
-	{ "SEQRESET",		0x02, 0x02 },
-	{ "STEP",		0x04, 0x04 },
-	{ "BRKADRINTEN",	0x08, 0x08 },
-	{ "FASTMODE",		0x10, 0x10 },
-	{ "FAILDIS",		0x20, 0x20 },
-	{ "PAUSEDIS",		0x40, 0x40 },
-	{ "PERRORDIS",		0x80, 0x80 }
-};
-
-int
-ahc_seqctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SEQCTL_parse_table, 8, "SEQCTL",
-	    0x60, regvalue, cur_col, wrap));
-}
-
-int
-ahc_seqram_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SEQRAM",
-	    0x61, regvalue, cur_col, wrap));
-}
-
-int
-ahc_seqaddr0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SEQADDR0",
-	    0x62, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SEQADDR1_parse_table[] = {
-	{ "SEQADDR1_MASK",	0x01, 0x01 }
-};
-
-int
-ahc_seqaddr1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SEQADDR1_parse_table, 1, "SEQADDR1",
-	    0x63, regvalue, cur_col, wrap));
-}
-
-int
-ahc_accum_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "ACCUM",
-	    0x64, regvalue, cur_col, wrap));
-}
-
-int
-ahc_sindex_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SINDEX",
-	    0x65, regvalue, cur_col, wrap));
-}
-
-int
-ahc_dindex_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "DINDEX",
-	    0x66, regvalue, cur_col, wrap));
-}
-
-int
-ahc_allones_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "ALLONES",
-	    0x69, regvalue, cur_col, wrap));
-}
-
-int
-ahc_allzeros_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "ALLZEROS",
-	    0x6a, regvalue, cur_col, wrap));
-}
-
-int
-ahc_none_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "NONE",
-	    0x6a, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t FLAGS_parse_table[] = {
-	{ "CARRY",		0x01, 0x01 },
-	{ "ZERO",		0x02, 0x02 }
-};
-
-int
-ahc_flags_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(FLAGS_parse_table, 2, "FLAGS",
-	    0x6b, regvalue, cur_col, wrap));
-}
-
-int
-ahc_sindir_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SINDIR",
-	    0x6c, regvalue, cur_col, wrap));
-}
-
-int
-ahc_dindir_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "DINDIR",
-	    0x6d, regvalue, cur_col, wrap));
-}
-
-int
-ahc_stack_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "STACK",
-	    0x6f, regvalue, cur_col, wrap));
-}
-
-int
-ahc_targ_offset_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "TARG_OFFSET",
-	    0x70, regvalue, cur_col, wrap));
-}
-
-int
-ahc_sram_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SRAM_BASE",
-	    0x70, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t DSCOMMAND0_parse_table[] = {
-	{ "CIOPARCKEN",		0x01, 0x01 },
-	{ "USCBSIZE32",		0x02, 0x02 },
-	{ "RAMPS",		0x04, 0x04 },
-	{ "INTSCBRAMSEL",	0x08, 0x08 },
-	{ "EXTREQLCK",		0x10, 0x10 },
-	{ "MPARCKEN",		0x20, 0x20 },
-	{ "DPARCKEN",		0x40, 0x40 },
-	{ "CACHETHEN",		0x80, 0x80 }
-};
-
-int
-ahc_dscommand0_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(DSCOMMAND0_parse_table, 8, "DSCOMMAND0",
-	    0x84, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t BUSTIME_parse_table[] = {
-	{ "BON",		0x0f, 0x0f },
-	{ "BOFF",		0xf0, 0xf0 }
-};
-
-int
-ahc_bustime_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(BUSTIME_parse_table, 2, "BUSTIME",
-	    0x85, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t DSCOMMAND1_parse_table[] = {
-	{ "HADDLDSEL0",		0x01, 0x01 },
-	{ "HADDLDSEL1",		0x02, 0x02 },
-	{ "DSLATT",		0xfc, 0xfc }
-};
-
-int
-ahc_dscommand1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(DSCOMMAND1_parse_table, 3, "DSCOMMAND1",
-	    0x85, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t BUSSPD_parse_table[] = {
-	{ "STBON",		0x07, 0x07 },
-	{ "STBOFF",		0x38, 0x38 },
-	{ "DFTHRSH_75",		0x80, 0x80 },
-	{ "DFTHRSH",		0xc0, 0xc0 },
-	{ "DFTHRSH_100",	0xc0, 0xc0 }
-};
-
-int
-ahc_busspd_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(BUSSPD_parse_table, 5, "BUSSPD",
-	    0x86, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t HS_MAILBOX_parse_table[] = {
-	{ "SEQ_MAILBOX",	0x0f, 0x0f },
-	{ "HOST_TQINPOS",	0x80, 0x80 },
-	{ "HOST_MAILBOX",	0xf0, 0xf0 }
-};
-
-int
-ahc_hs_mailbox_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(HS_MAILBOX_parse_table, 3, "HS_MAILBOX",
-	    0x86, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t DSPCISTATUS_parse_table[] = {
-	{ "DFTHRSH_100",	0xc0, 0xc0 }
-};
-
-int
-ahc_dspcistatus_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(DSPCISTATUS_parse_table, 1, "DSPCISTATUS",
-	    0x86, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t HCNTRL_parse_table[] = {
-	{ "CHIPRST",		0x01, 0x01 },
-	{ "CHIPRSTACK",		0x01, 0x01 },
-	{ "INTEN",		0x02, 0x02 },
-	{ "PAUSE",		0x04, 0x04 },
-	{ "IRQMS",		0x08, 0x08 },
-	{ "SWINT",		0x10, 0x10 },
-	{ "POWRDN",		0x40, 0x40 }
-};
-
-int
-ahc_hcntrl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(HCNTRL_parse_table, 7, "HCNTRL",
-	    0x87, regvalue, cur_col, wrap));
-}
-
-int
-ahc_haddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "HADDR",
-	    0x88, regvalue, cur_col, wrap));
-}
-
-int
-ahc_hcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "HCNT",
-	    0x8c, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scbptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCBPTR",
-	    0x90, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t INTSTAT_parse_table[] = {
-	{ "SEQINT",		0x01, 0x01 },
-	{ "CMDCMPLT",		0x02, 0x02 },
-	{ "SCSIINT",		0x04, 0x04 },
-	{ "BRKADRINT",		0x08, 0x08 },
-	{ "BAD_PHASE",		0x01, 0x01 },
-	{ "INT_PEND",		0x0f, 0x0f },
-	{ "SEND_REJECT",	0x11, 0x11 },
-	{ "PROTO_VIOLATION",	0x21, 0x21 },
-	{ "NO_MATCH",		0x31, 0x31 },
-	{ "IGN_WIDE_RES",	0x41, 0x41 },
-	{ "PDATA_REINIT",	0x51, 0x51 },
-	{ "HOST_MSG_LOOP",	0x61, 0x61 },
-	{ "BAD_STATUS",		0x71, 0x71 },
-	{ "PERR_DETECTED",	0x81, 0x81 },
-	{ "DATA_OVERRUN",	0x91, 0x91 },
-	{ "MKMSG_FAILED",	0xa1, 0xa1 },
-	{ "MISSED_BUSFREE",	0xb1, 0xb1 },
-	{ "SCB_MISMATCH",	0xc1, 0xc1 },
-	{ "NO_FREE_SCB",	0xd1, 0xd1 },
-	{ "OUT_OF_RANGE",	0xe1, 0xe1 },
-	{ "SEQINT_MASK",	0xf1, 0xf1 }
-};
-
-int
-ahc_intstat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(INTSTAT_parse_table, 21, "INTSTAT",
-	    0x91, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t CLRINT_parse_table[] = {
-	{ "CLRSEQINT",		0x01, 0x01 },
-	{ "CLRCMDINT",		0x02, 0x02 },
-	{ "CLRSCSIINT",		0x04, 0x04 },
-	{ "CLRBRKADRINT",	0x08, 0x08 },
-	{ "CLRPARERR",		0x10, 0x10 }
-};
-
-int
-ahc_clrint_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(CLRINT_parse_table, 5, "CLRINT",
-	    0x92, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t ERROR_parse_table[] = {
-	{ "ILLHADDR",		0x01, 0x01 },
-	{ "ILLSADDR",		0x02, 0x02 },
-	{ "ILLOPCODE",		0x04, 0x04 },
-	{ "SQPARERR",		0x08, 0x08 },
-	{ "DPARERR",		0x10, 0x10 },
-	{ "MPARERR",		0x20, 0x20 },
-	{ "PCIERRSTAT",		0x40, 0x40 },
-	{ "CIOPARERR",		0x80, 0x80 }
-};
-
-int
-ahc_error_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(ERROR_parse_table, 8, "ERROR",
-	    0x92, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t DFCNTRL_parse_table[] = {
-	{ "FIFORESET",		0x01, 0x01 },
-	{ "FIFOFLUSH",		0x02, 0x02 },
-	{ "DIRECTION",		0x04, 0x04 },
-	{ "HDMAEN",		0x08, 0x08 },
-	{ "HDMAENACK",		0x08, 0x08 },
-	{ "SDMAEN",		0x10, 0x10 },
-	{ "SDMAENACK",		0x10, 0x10 },
-	{ "SCSIEN",		0x20, 0x20 },
-	{ "WIDEODD",		0x40, 0x40 },
-	{ "PRELOADEN",		0x80, 0x80 }
-};
-
-int
-ahc_dfcntrl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(DFCNTRL_parse_table, 10, "DFCNTRL",
-	    0x93, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t DFSTATUS_parse_table[] = {
-	{ "FIFOEMP",		0x01, 0x01 },
-	{ "FIFOFULL",		0x02, 0x02 },
-	{ "DFTHRESH",		0x04, 0x04 },
-	{ "HDONE",		0x08, 0x08 },
-	{ "MREQPEND",		0x10, 0x10 },
-	{ "FIFOQWDEMP",		0x20, 0x20 },
-	{ "DFCACHETH",		0x40, 0x40 },
-	{ "PRELOAD_AVAIL",	0x80, 0x80 }
-};
-
-int
-ahc_dfstatus_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(DFSTATUS_parse_table, 8, "DFSTATUS",
-	    0x94, regvalue, cur_col, wrap));
-}
-
-int
-ahc_dfwaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "DFWADDR",
-	    0x95, regvalue, cur_col, wrap));
-}
-
-int
-ahc_dfdat_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "DFDAT",
-	    0x99, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCBCNT_parse_table[] = {
-	{ "SCBAUTO",		0x80, 0x80 },
-	{ "SCBCNT_MASK",	0x1f, 0x1f }
-};
-
-int
-ahc_scbcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCBCNT_parse_table, 2, "SCBCNT",
-	    0x9a, regvalue, cur_col, wrap));
-}
-
-int
-ahc_qinfifo_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "QINFIFO",
-	    0x9b, regvalue, cur_col, wrap));
-}
-
-int
-ahc_qoutfifo_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "QOUTFIFO",
-	    0x9d, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t CRCCONTROL1_parse_table[] = {
-	{ "TARGCRCCNTEN",	0x04, 0x04 },
-	{ "TARGCRCENDEN",	0x08, 0x08 },
-	{ "CRCREQCHKEN",	0x10, 0x10 },
-	{ "CRCENDCHKEN",	0x20, 0x20 },
-	{ "CRCVALCHKEN",	0x40, 0x40 },
-	{ "CRCONSEEN",		0x80, 0x80 }
-};
-
-int
-ahc_crccontrol1_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(CRCCONTROL1_parse_table, 6, "CRCCONTROL1",
-	    0x9d, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCSIPHASE_parse_table[] = {
-	{ "DATA_OUT_PHASE",	0x01, 0x01 },
-	{ "DATA_IN_PHASE",	0x02, 0x02 },
-	{ "MSG_OUT_PHASE",	0x04, 0x04 },
-	{ "MSG_IN_PHASE",	0x08, 0x08 },
-	{ "COMMAND_PHASE",	0x10, 0x10 },
-	{ "STATUS_PHASE",	0x20, 0x20 },
-	{ "DATA_PHASE_MASK",	0x03, 0x03 }
-};
-
-int
-ahc_scsiphase_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCSIPHASE_parse_table, 7, "SCSIPHASE",
-	    0x9e, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SFUNCT_parse_table[] = {
-	{ "ALT_MODE",		0x80, 0x80 }
-};
-
-int
-ahc_sfunct_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SFUNCT_parse_table, 1, "SFUNCT",
-	    0x9f, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_base_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_BASE",
-	    0xa0, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_cdb_ptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_CDB_PTR",
-	    0xa0, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_residual_sgptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_RESIDUAL_SGPTR",
-	    0xa4, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_scsi_status_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_SCSI_STATUS",
-	    0xa8, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_target_phases_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_TARGET_PHASES",
-	    0xa9, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_target_data_dir_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_TARGET_DATA_DIR",
-	    0xaa, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_target_itag_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_TARGET_ITAG",
-	    0xab, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_dataptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_DATAPTR",
-	    0xac, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCB_DATACNT_parse_table[] = {
-	{ "SG_LAST_SEG",	0x80, 0x80 },
-	{ "SG_HIGH_ADDR_BITS",	0x7f, 0x7f }
-};
-
-int
-ahc_scb_datacnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCB_DATACNT_parse_table, 2, "SCB_DATACNT",
-	    0xb0, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCB_SGPTR_parse_table[] = {
-	{ "SG_LIST_NULL",	0x01, 0x01 },
-	{ "SG_FULL_RESID",	0x02, 0x02 },
-	{ "SG_RESID_VALID",	0x04, 0x04 }
-};
-
-int
-ahc_scb_sgptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCB_SGPTR_parse_table, 3, "SCB_SGPTR",
-	    0xb4, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SCB_CONTROL_parse_table[] = {
-	{ "DISCONNECTED",	0x04, 0x04 },
-	{ "ULTRAENB",		0x08, 0x08 },
-	{ "MK_MESSAGE",		0x10, 0x10 },
-	{ "TAG_ENB",		0x20, 0x20 },
-	{ "DISCENB",		0x40, 0x40 },
-	{ "TARGET_SCB",		0x80, 0x80 },
-	{ "STATUS_RCVD",	0x80, 0x80 },
-	{ "SCB_TAG_TYPE",	0x03, 0x03 }
-};
-
-int
-ahc_scb_control_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SCB_CONTROL_parse_table, 8, "SCB_CONTROL",
-	    0xb8, regvalue, cur_col, wrap));
+	return (ahc_print_register(SCB_CONTROL_parse_table, 8, "SCB_CONTROL",
+	    0xb8, regvalue, cur_col, wrap));
 }
 
 static const ahc_reg_parse_entry_t SCB_SCSIID_parse_table[] = {
@@ -1331,248 +411,3 @@ ahc_scb_tag_print(u_int regvalue, u_int *cur_col, u_int wrap)
 	    0xbb, regvalue, cur_col, wrap));
 }
 
-int
-ahc_scb_cdb_len_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_CDB_LEN",
-	    0xbc, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_scsirate_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_SCSIRATE",
-	    0xbd, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_scsioffset_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_SCSIOFFSET",
-	    0xbe, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_next_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_NEXT",
-	    0xbf, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SEECTL_2840_parse_table[] = {
-	{ "DO_2840",		0x01, 0x01 },
-	{ "CK_2840",		0x02, 0x02 },
-	{ "CS_2840",		0x04, 0x04 }
-};
-
-int
-ahc_seectl_2840_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SEECTL_2840_parse_table, 3, "SEECTL_2840",
-	    0xc0, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t STATUS_2840_parse_table[] = {
-	{ "DI_2840",		0x01, 0x01 },
-	{ "EEPROM_TF",		0x80, 0x80 },
-	{ "ADSEL",		0x1e, 0x1e },
-	{ "BIOS_SEL",		0x60, 0x60 }
-};
-
-int
-ahc_status_2840_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(STATUS_2840_parse_table, 4, "STATUS_2840",
-	    0xc1, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scb_64_btt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCB_64_BTT",
-	    0xd0, regvalue, cur_col, wrap));
-}
-
-int
-ahc_cchaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCHADDR",
-	    0xe0, regvalue, cur_col, wrap));
-}
-
-int
-ahc_cchcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCHCNT",
-	    0xe8, regvalue, cur_col, wrap));
-}
-
-int
-ahc_ccsgram_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCSGRAM",
-	    0xe9, regvalue, cur_col, wrap));
-}
-
-int
-ahc_ccsgaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCSGADDR",
-	    0xea, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t CCSGCTL_parse_table[] = {
-	{ "CCSGRESET",		0x01, 0x01 },
-	{ "SG_FETCH_NEEDED",	0x02, 0x02 },
-	{ "CCSGEN",		0x08, 0x08 },
-	{ "CCSGDONE",		0x80, 0x80 }
-};
-
-int
-ahc_ccsgctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(CCSGCTL_parse_table, 4, "CCSGCTL",
-	    0xeb, regvalue, cur_col, wrap));
-}
-
-int
-ahc_ccscbram_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCSCBRAM",
-	    0xec, regvalue, cur_col, wrap));
-}
-
-int
-ahc_ccscbaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCSCBADDR",
-	    0xed, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t CCSCBCTL_parse_table[] = {
-	{ "CCSCBRESET",		0x01, 0x01 },
-	{ "CCSCBDIR",		0x04, 0x04 },
-	{ "CCSCBEN",		0x08, 0x08 },
-	{ "CCARREN",		0x10, 0x10 },
-	{ "ARRDONE",		0x40, 0x40 },
-	{ "CCSCBDONE",		0x80, 0x80 }
-};
-
-int
-ahc_ccscbctl_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(CCSCBCTL_parse_table, 6, "CCSCBCTL",
-	    0xee, regvalue, cur_col, wrap));
-}
-
-int
-ahc_ccscbcnt_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCSCBCNT",
-	    0xef, regvalue, cur_col, wrap));
-}
-
-int
-ahc_scbbaddr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SCBBADDR",
-	    0xf0, regvalue, cur_col, wrap));
-}
-
-int
-ahc_ccscbptr_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "CCSCBPTR",
-	    0xf1, regvalue, cur_col, wrap));
-}
-
-int
-ahc_hnscb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "HNSCB_QOFF",
-	    0xf4, regvalue, cur_col, wrap));
-}
-
-int
-ahc_snscb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SNSCB_QOFF",
-	    0xf6, regvalue, cur_col, wrap));
-}
-
-int
-ahc_sdscb_qoff_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(NULL, 0, "SDSCB_QOFF",
-	    0xf8, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t QOFF_CTLSTA_parse_table[] = {
-	{ "SDSCB_ROLLOVER",	0x10, 0x10 },
-	{ "SNSCB_ROLLOVER",	0x20, 0x20 },
-	{ "SCB_AVAIL",		0x40, 0x40 },
-	{ "SCB_QSIZE_256",	0x06, 0x06 },
-	{ "SCB_QSIZE",		0x07, 0x07 }
-};
-
-int
-ahc_qoff_ctlsta_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(QOFF_CTLSTA_parse_table, 5, "QOFF_CTLSTA",
-	    0xfa, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t DFF_THRSH_parse_table[] = {
-	{ "RD_DFTHRSH_MIN",	0x00, 0x00 },
-	{ "WR_DFTHRSH_MIN",	0x00, 0x00 },
-	{ "RD_DFTHRSH_25",	0x01, 0x01 },
-	{ "RD_DFTHRSH_50",	0x02, 0x02 },
-	{ "RD_DFTHRSH_63",	0x03, 0x03 },
-	{ "RD_DFTHRSH_75",	0x04, 0x04 },
-	{ "RD_DFTHRSH_85",	0x05, 0x05 },
-	{ "RD_DFTHRSH_90",	0x06, 0x06 },
-	{ "RD_DFTHRSH",		0x07, 0x07 },
-	{ "RD_DFTHRSH_MAX",	0x07, 0x07 },
-	{ "WR_DFTHRSH_25",	0x10, 0x10 },
-	{ "WR_DFTHRSH_50",	0x20, 0x20 },
-	{ "WR_DFTHRSH_63",	0x30, 0x30 },
-	{ "WR_DFTHRSH_75",	0x40, 0x40 },
-	{ "WR_DFTHRSH_85",	0x50, 0x50 },
-	{ "WR_DFTHRSH_90",	0x60, 0x60 },
-	{ "WR_DFTHRSH",		0x70, 0x70 },
-	{ "WR_DFTHRSH_MAX",	0x70, 0x70 }
-};
-
-int
-ahc_dff_thrsh_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(DFF_THRSH_parse_table, 18, "DFF_THRSH",
-	    0xfb, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SG_CACHE_SHADOW_parse_table[] = {
-	{ "LAST_SEG_DONE",	0x01, 0x01 },
-	{ "LAST_SEG",		0x02, 0x02 },
-	{ "SG_ADDR_MASK",	0xf8, 0xf8 }
-};
-
-int
-ahc_sg_cache_shadow_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SG_CACHE_SHADOW_parse_table, 3, "SG_CACHE_SHADOW",
-	    0xfc, regvalue, cur_col, wrap));
-}
-
-static const ahc_reg_parse_entry_t SG_CACHE_PRE_parse_table[] = {
-	{ "LAST_SEG_DONE",	0x01, 0x01 },
-	{ "LAST_SEG",		0x02, 0x02 },
-	{ "SG_ADDR_MASK",	0xf8, 0xf8 }
-};
-
-int
-ahc_sg_cache_pre_print(u_int regvalue, u_int *cur_col, u_int wrap)
-{
-	return (ahc_print_register(SG_CACHE_PRE_parse_table, 3, "SG_CACHE_PRE",
-	    0xfc, regvalue, cur_col, wrap));
-}
-
-- 
GitLab


From 678e80a32fcce02323bbd753ed8944ea92d0a2d5 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Mon, 22 Sep 2008 14:56:45 -0700
Subject: [PATCH 2179/2224] [SCSI] aic79xx: fix shadowed variables, add statics

Redeclared within different if/else blocks, safe to reuse the
original from beginning of function.
drivers/scsi/aic7xxx/aic79xx_core.c:2475:10: warning: symbol 'scbid' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2399:10: originally declared here
drivers/scsi/aic7xxx/aic79xx_core.c:2586:10: warning: symbol 'scbid' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2399:10: originally declared here
drivers/scsi/aic7xxx/aic79xx_core.c:2587:15: warning: symbol 'scb' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:2393:13: originally declared here

Use caminfo for the outer declaration, the redeclared version is
iterating over all initiator/target pairs (devices) which.
drivers/scsi/aic7xxx/aic79xx_core.c:8857:23: warning: symbol 'devinfo' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_core.c:8711:21: originally declared here

Forward declaration was already marked static, make the definition match.
drivers/scsi/aic7xxx/aic79xx_core.c:3693:1: warning: symbol 'ahd_devlimited_syncrate' was not declared. Should it be static?

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/aic7xxx/aic79xx_core.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 55508b0fcec..99048d36913 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -2472,8 +2472,6 @@ ahd_handle_scsiint(struct ahd_softc *ahd, u_int intstat)
 		if ((ahd->bugs & AHD_CLRLQO_AUTOCLR_BUG) != 0)
 			ahd_outb(ahd, CLRLQOINT1, 0);
 	} else if ((status & SELTO) != 0) {
-		u_int  scbid;
-
 		/* Stop the selection */
 		ahd_outb(ahd, SCSISEQ0, 0);
 
@@ -2583,9 +2581,6 @@ ahd_handle_scsiint(struct ahd_softc *ahd, u_int intstat)
 		case BUSFREE_DFF0:
 		case BUSFREE_DFF1:
 		{
-			u_int	scbid;
-			struct	scb *scb;
-
 			mode = busfreetime == BUSFREE_DFF0
 			     ? AHD_MODE_DFF0 : AHD_MODE_DFF1;
 			ahd_set_modes(ahd, mode, mode);
@@ -3689,7 +3684,7 @@ ahd_free_tstate(struct ahd_softc *ahd, u_int scsi_id, char channel, int force)
  * by the capabilities of the bus connectivity of and sync settings for
  * the target.
  */
-void
+static void
 ahd_devlimited_syncrate(struct ahd_softc *ahd,
 			struct ahd_initiator_tinfo *tinfo,
 			u_int *period, u_int *ppr_options, role_t role)
@@ -8708,7 +8703,7 @@ ahd_reset_current_bus(struct ahd_softc *ahd)
 int
 ahd_reset_channel(struct ahd_softc *ahd, char channel, int initiate_reset)
 {
-	struct	ahd_devinfo devinfo;
+	struct	ahd_devinfo caminfo;
 	u_int	initiator;
 	u_int	target;
 	u_int	max_scsiid;
@@ -8729,7 +8724,7 @@ ahd_reset_channel(struct ahd_softc *ahd, char channel, int initiate_reset)
 
 	ahd->pending_device = NULL;
 
-	ahd_compile_devinfo(&devinfo,
+	ahd_compile_devinfo(&caminfo,
 			    CAM_TARGET_WILDCARD,
 			    CAM_TARGET_WILDCARD,
 			    CAM_LUN_WILDCARD,
@@ -8868,7 +8863,7 @@ ahd_reset_channel(struct ahd_softc *ahd, char channel, int initiate_reset)
 	}
 
 	/* Notify the XPT that a bus reset occurred */
-	ahd_send_async(ahd, devinfo.channel, CAM_TARGET_WILDCARD,
+	ahd_send_async(ahd, caminfo.channel, CAM_TARGET_WILDCARD,
 		       CAM_LUN_WILDCARD, AC_BUS_RESET);
 
 	ahd_restart(ahd);
-- 
GitLab


From 3ba7f18cd9d974a5b1e75a68a4f0a50f1df8585e Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Mon, 22 Sep 2008 14:56:46 -0700
Subject: [PATCH 2180/2224] [SCSI] aic79xx: fix shadowed variables

OK to just reuse the outer declaration as it is never used again.
drivers/scsi/aic7xxx/aic79xx_pci.c:340:12: warning: symbol 'devconfig' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_pci.c:299:12: originally declared here

targpcistat is always assigned just before use, remove the inner declaration.
drivers/scsi/aic7xxx/aic79xx_pci.c:486:9: warning: symbol 'targpcistat' shadows an earlier one
drivers/scsi/aic7xxx/aic79xx_pci.c:429:9: originally declared here

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/aic7xxx/aic79xx_pci.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index c25b6adffbf..9471cafd25d 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -337,8 +337,6 @@ ahd_pci_config(struct ahd_softc *ahd, const struct ahd_pci_identity *entry)
 	 * 64bit bus (PCI64BIT set in devconfig).
 	 */
 	if ((ahd->flags & (AHD_39BIT_ADDRESSING|AHD_64BIT_ADDRESSING)) != 0) {
-		uint32_t devconfig;
-
 		if (bootverbose)
 			printf("%s: Enabling 39Bit Addressing\n",
 			       ahd_name(ahd));
@@ -483,8 +481,6 @@ ahd_pci_test_register_access(struct ahd_softc *ahd)
 		goto fail;
 
 	if ((ahd_inb(ahd, INTSTAT) & PCIINT) != 0) {
-		u_int targpcistat;
-
 		ahd_set_modes(ahd, AHD_MODE_CFG, AHD_MODE_CFG);
 		targpcistat = ahd_inb(ahd, TARGPCISTAT);
 		if ((targpcistat & STA) != 0)
-- 
GitLab


From d777aaf386ba71d6fbe803c015330a766cad53d8 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Mon, 22 Sep 2008 14:56:47 -0700
Subject: [PATCH 2181/2224] [SCSI] ipr: use memory_read_from_buffer()

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/ipr.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index d30eb7ba018..de62f4dfeb0 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -2456,20 +2456,14 @@ static ssize_t ipr_read_trace(struct kobject *kobj,
 	struct Scsi_Host *shost = class_to_shost(dev);
 	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata;
 	unsigned long lock_flags = 0;
-	int size = IPR_TRACE_SIZE;
-	char *src = (char *)ioa_cfg->trace;
-
-	if (off > size)
-		return 0;
-	if (off + count > size) {
-		size -= off;
-		count = size;
-	}
+	ssize_t ret;
 
 	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
-	memcpy(buf, &src[off], count);
+	ret = memory_read_from_buffer(buf, count, &off, ioa_cfg->trace,
+				IPR_TRACE_SIZE);
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-	return count;
+
+	return ret;
 }
 
 static struct bin_attribute ipr_trace_attr = {
-- 
GitLab


From d91ab4e7df0c0c9f98c830e04e875f39d41b21f6 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Tue, 23 Sep 2008 17:26:30 +0100
Subject: [PATCH 2182/2224] [SCSI] aic79xx: user visible misuse wrong SI units
 (not disk size!)

MHZ not Mhz for SI unit pedants

Closes bug #6422

Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/aic7xxx/aic79xx_core.c | 2 +-
 drivers/scsi/aic7xxx/aic79xx_pci.c  | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 99048d36913..bdad54ec088 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -4131,7 +4131,7 @@ ahd_update_neg_table(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
 
 			/*
 			 * Harpoon2A assumed that there would be a
-			 * fallback rate between 160MHz and 80Mhz,
+			 * fallback rate between 160MHz and 80MHz,
 			 * so 7 is used as the period factor rather
 			 * than 8 for 160MHz.
 			 */
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index 9471cafd25d..a734d77e880 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -223,10 +223,10 @@ static const char *pci_bus_modes[] =
 	"PCI bus mode unknown",
 	"PCI bus mode unknown",
 	"PCI bus mode unknown",
-	"PCI-X 101-133Mhz",
-	"PCI-X 67-100Mhz",
-	"PCI-X 50-66Mhz",
-	"PCI 33 or 66Mhz"
+	"PCI-X 101-133MHz",
+	"PCI-X 67-100MHz",
+	"PCI-X 50-66MHz",
+	"PCI 33 or 66MHz"
 };
 
 #define		TESTMODE	0x00000800ul
-- 
GitLab


From 7583221f6066978487f14caf31b4ea5d99713bfa Mon Sep 17 00:00:00 2001
From: thomas schorpp <thomas.schorpp@googlemail.com>
Date: Fri, 3 Oct 2008 23:45:29 +0200
Subject: [PATCH 2183/2224] [SCSI] aic7xxx: Take the LED out of diagnostic mode
 on PM resume

Take the Diag/Activity-LED of the HBA out of diagnostic mode on PM
resume after successful PM resume from standby and HBA restart, it
remained always on before. If something fails before complete
recovery, it should remain on, since it is a diagnostics LED, reason
for the used higher layer for the clear.

Signed-off-by: thomas.schorpp@gmail.com
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/aic7xxx/aic7xxx_core.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 0ae2b4605d0..e6f2bb7365e 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -814,6 +814,7 @@ ahc_intr(struct ahc_softc *ahc)
 static void
 ahc_restart(struct ahc_softc *ahc)
 {
+	uint8_t	sblkctl;
 
 	ahc_pause(ahc);
 
@@ -868,6 +869,12 @@ ahc_restart(struct ahc_softc *ahc)
 	ahc_outb(ahc, SEQADDR0, 0);
 	ahc_outb(ahc, SEQADDR1, 0);
 
+	/*
+	 * Take the LED out of diagnostic mode on PM resume, too
+	 */
+	sblkctl = ahc_inb(ahc, SBLKCTL);
+	ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
+
 	ahc_unpause(ahc);
 }
 
-- 
GitLab


From 22ab019b6ff8f3f93ddc93135d7e7ff24d982fe0 Mon Sep 17 00:00:00 2001
From: Bernd Schubert <bs@q-leap.de>
Date: Tue, 23 Sep 2008 15:28:58 +0200
Subject: [PATCH 2184/2224] [SCSI] mptfusion: Increase scsi-timeouts, similariy
 to the LSI 4.x driver.

Make SPI timeout 10s the same as SAS

Signed-off-by: Bernd Schubert <bs@q-leap.de>
Acked-by: "Prakash, Sathya" <Sathya.Prakash@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/message/fusion/mptscsih.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 9f9354fd351..d62fd4f6b52 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1760,10 +1760,9 @@ mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
 	case FC:
 		return 40;
 	case SAS:
-		return 10;
 	case SPI:
 	default:
-		return 2;
+		return 10;
 	}
 }
 
-- 
GitLab


From 9d11251709f31d49c8167a619d4475fdf6cd7f73 Mon Sep 17 00:00:00 2001
From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Sat, 4 Oct 2008 14:11:06 -0400
Subject: [PATCH 2185/2224] [SCSI] refactor sdev/starget/shost busy checking

This patch refactors the busy checking codes of scsi_device,
Scsi_Host and scsi_target.  There should be no functional change.

This is a preparation for another patch which exports scsi's busy
state to the block layer for request stacking drivers.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_lib.c | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f35a0951e46..1e7c9e9ef77 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -529,6 +529,14 @@ static void scsi_single_lun_run(struct scsi_device *current_sdev)
 	spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
+static inline int scsi_device_is_busy(struct scsi_device *sdev)
+{
+	if (sdev->device_busy >= sdev->queue_depth || sdev->device_blocked)
+		return 1;
+
+	return 0;
+}
+
 static inline int scsi_target_is_busy(struct scsi_target *starget)
 {
 	return ((starget->can_queue > 0 &&
@@ -536,6 +544,15 @@ static inline int scsi_target_is_busy(struct scsi_target *starget)
 		 starget->target_blocked);
 }
 
+static inline int scsi_host_is_busy(struct Scsi_Host *shost)
+{
+	if ((shost->can_queue > 0 && shost->host_busy >= shost->can_queue) ||
+	    shost->host_blocked || shost->host_self_blocked)
+		return 1;
+
+	return 0;
+}
+
 /*
  * Function:	scsi_run_queue()
  *
@@ -558,11 +575,7 @@ static void scsi_run_queue(struct request_queue *q)
 		scsi_single_lun_run(sdev);
 
 	spin_lock_irqsave(shost->host_lock, flags);
-	while (!list_empty(&shost->starved_list) &&
-	       !shost->host_blocked && !shost->host_self_blocked &&
-		!((shost->can_queue > 0) &&
-		  (shost->host_busy >= shost->can_queue))) {
-
+	while (!list_empty(&shost->starved_list) && !scsi_host_is_busy(shost)) {
 		int flagset;
 
 		/*
@@ -1348,8 +1361,6 @@ int scsi_prep_fn(struct request_queue *q, struct request *req)
 static inline int scsi_dev_queue_ready(struct request_queue *q,
 				  struct scsi_device *sdev)
 {
-	if (sdev->device_busy >= sdev->queue_depth)
-		return 0;
 	if (sdev->device_busy == 0 && sdev->device_blocked) {
 		/*
 		 * unblock after device_blocked iterates to zero
@@ -1363,7 +1374,7 @@ static inline int scsi_dev_queue_ready(struct request_queue *q,
 			return 0;
 		}
 	}
-	if (sdev->device_blocked)
+	if (scsi_device_is_busy(sdev))
 		return 0;
 
 	return 1;
@@ -1440,8 +1451,7 @@ static inline int scsi_host_queue_ready(struct request_queue *q,
 			return 0;
 		}
 	}
-	if ((shost->can_queue > 0 && shost->host_busy >= shost->can_queue) ||
-	    shost->host_blocked || shost->host_self_blocked) {
+	if (scsi_host_is_busy(shost)) {
 		if (list_empty(&sdev->starved_entry))
 			list_add_tail(&sdev->starved_entry, &shost->starved_list);
 		return 0;
-- 
GitLab


From 6c5121b78ba5c70a9990e2af6cb4d6bbffe0d4d8 Mon Sep 17 00:00:00 2001
From: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Date: Sat, 4 Oct 2008 14:11:35 -0400
Subject: [PATCH 2186/2224] [SCSI] export busy state via q->lld_busy_fn()

This patch implements q->lld_busy_fn() for scsi mid layer to export
its busy state for request stacking drivers.

For efficiency, no lock is taken to check the busy state of
shost/starget/sdev, since the returned value is not guaranteed and
may be changed after request stacking drivers call the function,
regardless of taking lock or not.

When scsi can't dispatch I/Os anymore and needs to kill I/Os
(e.g. !sdev), scsi needs to return 'not busy'.
Otherwise, request stacking drivers may hold requests forever.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_lib.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 1e7c9e9ef77..f5d3b96890d 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1464,6 +1464,37 @@ static inline int scsi_host_queue_ready(struct request_queue *q,
 	return 1;
 }
 
+/*
+ * Busy state exporting function for request stacking drivers.
+ *
+ * For efficiency, no lock is taken to check the busy state of
+ * shost/starget/sdev, since the returned value is not guaranteed and
+ * may be changed after request stacking drivers call the function,
+ * regardless of taking lock or not.
+ *
+ * When scsi can't dispatch I/Os anymore and needs to kill I/Os
+ * (e.g. !sdev), scsi needs to return 'not busy'.
+ * Otherwise, request stacking drivers may hold requests forever.
+ */
+static int scsi_lld_busy(struct request_queue *q)
+{
+	struct scsi_device *sdev = q->queuedata;
+	struct Scsi_Host *shost;
+	struct scsi_target *starget;
+
+	if (!sdev)
+		return 0;
+
+	shost = sdev->host;
+	starget = scsi_target(sdev);
+
+	if (scsi_host_in_recovery(shost) || scsi_host_is_busy(shost) ||
+	    scsi_target_is_busy(starget) || scsi_device_is_busy(sdev))
+		return 1;
+
+	return 0;
+}
+
 /*
  * Kill a request for a dead device
  */
@@ -1767,6 +1798,7 @@ struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
 	blk_queue_prep_rq(q, scsi_prep_fn);
 	blk_queue_softirq_done(q, scsi_softirq_done);
 	blk_queue_rq_timed_out(q, scsi_times_out);
+	blk_queue_lld_busy(q, scsi_lld_busy);
 	return q;
 }
 
-- 
GitLab


From 10dab22664914505dcb804d9ad09cad6bc94d349 Mon Sep 17 00:00:00 2001
From: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Date: Thu, 11 Sep 2008 21:39:36 -0400
Subject: [PATCH 2187/2224] [SCSI] sd: Fix handling of NO_SENSE check condition

The current handling of NO_SENSE check condition is the same as
RECOVERED_ERROR, and assumes that in both cases, the I/O was fully
transferred.

We have seen cases of arrays returning with NO_SENSE (no error), but
the I/O was not completely transferred, thus residual set.  Thus,
rather than return good_bytes as the entire transfer, set good_bytes
to 0, so that the midlayer then applies the residual in calculating
the transfer, and for sd, will fail the I/O and fall into a retry
path.

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7c4d2e68df1..55e6ed4b886 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1054,7 +1054,6 @@ static int sd_done(struct scsi_cmnd *SCpnt)
 		good_bytes = sd_completed_bytes(SCpnt);
 		break;
 	case RECOVERED_ERROR:
-	case NO_SENSE:
 		/* Inform the user, but make sure that it's not treated
 		 * as a hard error.
 		 */
@@ -1063,6 +1062,15 @@ static int sd_done(struct scsi_cmnd *SCpnt)
 		memset(SCpnt->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
 		good_bytes = scsi_bufflen(SCpnt);
 		break;
+	case NO_SENSE:
+		/* This indicates a false check condition, so ignore it.  An
+		 * unknown amount of data was transferred so treat it as an
+		 * error.
+		 */
+		scsi_print_sense("sd", SCpnt);
+		SCpnt->result = 0;
+		memset(SCpnt->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
+		break;
 	case ABORTED_COMMAND:
 		if (sshdr.asc == 0x10) { /* DIF: Disk detected corruption */
 			scsi_print_result(SCpnt);
-- 
GitLab


From aa198bf1dadefaefeb2c4a32444dfc6c7f93938d Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Mon, 13 Oct 2008 09:15:09 -0700
Subject: [PATCH 2188/2224] [SCSI] fix netlink kernel-doc

Fix kernel-doc warning: the function short description must be on one
line and the previous comment is not kernel-doc but it was confusing
scripts/kernel-doc.

Warning(lin2627-g3-kdocfixes//drivers/scsi/scsi_netlink.c:221): No description found for parameter 'skb'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/scsi_netlink.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c
index b37e133de80..723fdecd91b 100644
--- a/drivers/scsi/scsi_netlink.c
+++ b/drivers/scsi/scsi_netlink.c
@@ -205,16 +205,13 @@ static struct notifier_block scsi_netlink_notifier = {
 };
 
 
-/**
+/*
  * GENERIC SCSI transport receive and event handlers
- **/
+ */
 
 /**
- * scsi_generic_msg_handler - receive message handler for GENERIC transport
- * 			 messages
- *
+ * scsi_generic_msg_handler - receive message handler for GENERIC transport messages
  * @skb:		socket receive buffer
- *
  **/
 static int
 scsi_generic_msg_handler(struct sk_buff *skb)
-- 
GitLab


From 0723d4a8064d52ae44ef2e19749a190b08846be3 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Thu, 9 Oct 2008 11:25:42 +0900
Subject: [PATCH 2189/2224] [SCSI] 3w-xxxx: remove unnecessary
 local_irq_save/restore for scsi sg copy API

Since the commit 50bed2e2862a8f3a4f7d683d0d27292e71ef18b9 (sg: disable
interrupts inside sg_copy_buffer), no need to disable interrupts
before calling scsi_sg_copy_from_buffer. So we can simplify
tw_transfer_internal, which disables interrupts just for
scsi_sg_copy_from_buffer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>\
Acked-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/3w-xxxx.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index a0537f09aa2..c03f1d2c9e2 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1466,12 +1466,7 @@ static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id)
 static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
 				 void *data, unsigned int len)
 {
-	struct scsi_cmnd *cmd = tw_dev->srb[request_id];
-	unsigned long flags;
-
-	local_irq_save(flags);
-	scsi_sg_copy_from_buffer(cmd, data, len);
-	local_irq_restore(flags);
+	scsi_sg_copy_from_buffer(tw_dev->srb[request_id], data, len);
 }
 
 /* This function is called by the isr to complete an inquiry command */
-- 
GitLab


From 36a529202b334d0513cfeabeadca940ec41c8165 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Sat, 11 Oct 2008 16:00:00 +0900
Subject: [PATCH 2190/2224] [SCSI] 3w-9xxx: remove unnecessary
 local_irq_save/restore for scsi sg copy API

Since the commit 50bed2e2862a8f3a4f7d683d0d27292e71ef18b9 (sg: disable
interrupts inside sg_copy_buffer), no need to disable interrupts
before calling scsi_sg_copy_from_buffer. So we can simplify
twa_scsiop_execute_scsi_complete() a bit, which disables interrupts
just for scsi_sg_copy_from_buffer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/3w-9xxx.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index b92c19bb687..5311317c2e4 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1924,12 +1924,9 @@ static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int re
 	    (cmd->sc_data_direction == DMA_FROM_DEVICE ||
 	     cmd->sc_data_direction == DMA_BIDIRECTIONAL)) {
 		if (scsi_sg_count(cmd) == 1) {
-			unsigned long flags;
 			void *buf = tw_dev->generic_buffer_virt[request_id];
 
-			local_irq_save(flags);
 			scsi_sg_copy_from_buffer(cmd, buf, TW_SECTOR_SIZE);
-			local_irq_restore(flags);
 		}
 	}
 } /* End twa_scsiop_execute_scsi_complete() */
-- 
GitLab


From d4c9b736080056ae3ba81dcf2ac418193c57dbb1 Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 10 Oct 2008 16:03:20 -0400
Subject: [PATCH 2191/2224] [SCSI] sd: remove command-size switching code

This patch (as1138) removes from sd.c some old code for switching from
10-byte commands to 6-byte commands.  This code is redundant -- the
switching for READ and WRITE is already handled in
scsi_io_completion() and the switching for MODE SENSE is already
handled in scsi_mode_sense().  (There is no comparable switch for MODE
SELECT, but I doubt one is needed.)

Furthermore the other handlers do a better job; they check for
appropriate ASC and ASCQ values before blindly switching the size.
The code in sd.c is known to cause problems with some devices by
switching when it shouldn't.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 55e6ed4b886..7e22aa7b8b8 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1084,15 +1084,6 @@ static int sd_done(struct scsi_cmnd *SCpnt)
 			scsi_print_sense("sd", SCpnt);
 			good_bytes = sd_completed_bytes(SCpnt);
 		}
-		if (!scsi_device_protection(SCpnt->device) &&
-		    SCpnt->device->use_10_for_rw &&
-		    (SCpnt->cmnd[0] == READ_10 ||
-		     SCpnt->cmnd[0] == WRITE_10))
-			SCpnt->device->use_10_for_rw = 0;
-		if (SCpnt->device->use_10_for_ms &&
-		    (SCpnt->cmnd[0] == MODE_SENSE_10 ||
-		     SCpnt->cmnd[0] == MODE_SELECT_10))
-			SCpnt->device->use_10_for_ms = 0;
 		break;
 	default:
 		break;
-- 
GitLab


From 3fe68cc152fc7cc6a763c692544a0ab71926c800 Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Tue, 14 Oct 2008 18:00:19 +0200
Subject: [PATCH 2192/2224] [SCSI] sun3x_esp: Convert && to ||

The pattern !E && !E->fld is nonsensical.  The patch below updates this
according to the assumption that && should be ||.  But perhaps another
solution was intended.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@disable and_comm@
expression E;
identifier fld;
@@

- !E && !E->fld
+ !E || !E->fld
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-By: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sun3x_esp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/sun3x_esp.c b/drivers/scsi/sun3x_esp.c
index 7514b3a0390..34a99620e5b 100644
--- a/drivers/scsi/sun3x_esp.c
+++ b/drivers/scsi/sun3x_esp.c
@@ -213,7 +213,7 @@ static int __devinit esp_sun3x_probe(struct platform_device *dev)
 	esp->ops = &sun3x_esp_ops;
 
 	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
-	if (!res && !res->start)
+	if (!res || !res->start)
 		goto fail_unlink;
 
 	esp->regs = ioremap_nocache(res->start, 0x20);
@@ -221,7 +221,7 @@ static int __devinit esp_sun3x_probe(struct platform_device *dev)
 		goto fail_unmap_regs;
 
 	res = platform_get_resource(dev, IORESOURCE_MEM, 1);
-	if (!res && !res->start)
+	if (!res || !res->start)
 		goto fail_unmap_regs;
 
 	esp->dma_regs = ioremap_nocache(res->start, 0x10);
-- 
GitLab


From a8659597bf744b0f8d2560e2a734b5c941569e0e Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Tue, 14 Oct 2008 11:34:21 -0700
Subject: [PATCH 2193/2224] [SCSI] lib: string_get_size(): don't hang on zero;
 no decimals on exact

We would hang forever when passing a zero to string_get_size().
Furthermore, string_get_size() would produce decimals on a value small
enough to be exact.  Finally, a few formatting issues are inconsistent
with standard SI style guidelines.

- If the value is less than the divisor, skip the entire rounding
  step.  This prints out all small values including zero as integers,
  without decimals.
- Add a space between the value and the symbol for the unit,
  consistent with standard SI practice.
- Lower case k in kB since we are talking about powers of 10.
- Finally, change "int" to "unsigned int" in one place to shut up a
  gcc warning when compiling the code out-of-kernel for testing.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 lib/string_helpers.c | 34 +++++++++++++++++++---------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/lib/string_helpers.c b/lib/string_helpers.c
index 8347925030f..ab431d4cc97 100644
--- a/lib/string_helpers.c
+++ b/lib/string_helpers.c
@@ -23,7 +23,7 @@
 int string_get_size(u64 size, const enum string_size_units units,
 		    char *buf, int len)
 {
-	const char *units_10[] = { "B", "KB", "MB", "GB", "TB", "PB",
+	const char *units_10[] = { "B", "kB", "MB", "GB", "TB", "PB",
 				   "EB", "ZB", "YB", NULL};
 	const char *units_2[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB",
 				 "EiB", "ZiB", "YiB", NULL };
@@ -31,7 +31,7 @@ int string_get_size(u64 size, const enum string_size_units units,
 		[STRING_UNITS_10] =  units_10,
 		[STRING_UNITS_2] = units_2,
 	};
-	const int divisor[] = {
+	const unsigned int divisor[] = {
 		[STRING_UNITS_10] = 1000,
 		[STRING_UNITS_2] = 1024,
 	};
@@ -40,23 +40,27 @@ int string_get_size(u64 size, const enum string_size_units units,
 	char tmp[8];
 
 	tmp[0] = '\0';
+	i = 0;
+	if (size >= divisor[units]) {
+		while (size >= divisor[units] && units_str[units][i]) {
+			remainder = do_div(size, divisor[units]);
+			i++;
+		}
 
-	for (i = 0; size > divisor[units] && units_str[units][i]; i++)
-		remainder = do_div(size, divisor[units]);
+		sf_cap = size;
+		for (j = 0; sf_cap*10 < 1000; j++)
+			sf_cap *= 10;
 
-	sf_cap = size;
-	for (j = 0; sf_cap*10 < 1000; j++)
-		sf_cap *= 10;
-
-	if (j) {
-		remainder *= 1000;
-		do_div(remainder, divisor[units]);
-		snprintf(tmp, sizeof(tmp), ".%03lld",
-			 (unsigned long long)remainder);
-		tmp[j+1] = '\0';
+		if (j) {
+			remainder *= 1000;
+			do_div(remainder, divisor[units]);
+			snprintf(tmp, sizeof(tmp), ".%03lld",
+				 (unsigned long long)remainder);
+			tmp[j+1] = '\0';
+		}
 	}
 
-	snprintf(buf, len, "%lld%s%s", (unsigned long long)size,
+	snprintf(buf, len, "%lld%s %s", (unsigned long long)size,
 		 tmp, units_str[units][i]);
 
 	return 0;
-- 
GitLab


From 520a2c2741747062e75f91cd0faddb564fbc64d2 Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Tue, 14 Oct 2008 11:34:20 -0700
Subject: [PATCH 2194/2224] [SCSI] sd: fix computation of the full size of the
 device

When computing the full size of the device, we need to cast
sdkp->capacity before shifting, since in some configurations sector_t
can be a 32-bit number.

Also, change ffz(~x) to the more idiomatic ilog2(x).

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7e22aa7b8b8..7ba70bef8b5 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1436,7 +1436,7 @@ got_data:
 
 	{
 		char cap_str_2[10], cap_str_10[10];
-		u64 sz = sdkp->capacity << ffz(~sector_size);
+		u64 sz = (u64)sdkp->capacity << ilog2(sector_size);
 
 		string_get_size(sz, STRING_UNITS_2, cap_str_2,
 				sizeof(cap_str_2));
-- 
GitLab


From 5f4f0c4d3fc95cb7d509e4469a22aed40532f0fc Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 23 Oct 2008 10:28:25 -0700
Subject: [PATCH 2195/2224] compat_blkdev_driver_ioctl: Remove unused variable
 warning

Variable 'ret' is no longer used. Don't declare it.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 block/compat_ioctl.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 3098c92402f..3d3e7a46f38 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -582,8 +582,6 @@ static int compat_blk_trace_setup(struct block_device *bdev, char __user *arg)
 static int compat_blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode,
 			unsigned cmd, unsigned long arg)
 {
-	int ret;
-
 	switch (cmd) {
 	case HDIO_GET_UNMASKINTR:
 	case HDIO_GET_MULTCOUNT:
-- 
GitLab


From 12e1ec9ff31d388305da644b452c9f80d244aa55 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 23 Oct 2008 11:48:56 -0700
Subject: [PATCH 2196/2224] ext3 quota support: fix compile failure

This one was due to a merge error: we added a use of nd.path in commit
2d7c820e56ce83b23daee9eb5343730fb309418e ("ext3: add checks for errors
from jbd"), and concurrently we got rid of 'nd' and used a naked 'path'
in commit 8264613def2e5c4f12bc3167713090fd172e6055 ("[PATCH] switch
quota_on-related stuff to kern_path()").

That all merged cleanly, but it didn't actually _work_.  This should fix
it.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext3/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 8147dd44ced..18eaa78ecb4 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2836,7 +2836,7 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id,
 		err = journal_flush(EXT3_SB(sb)->s_journal);
 		journal_unlock_updates(EXT3_SB(sb)->s_journal);
 		if (err) {
-			path_put(&nd.path);
+			path_put(&path);
 			return err;
 		}
 	}
-- 
GitLab


From f3161f36f5f49ee995b90d6207d8b6d990355e0a Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 23 Oct 2008 11:54:08 -0700
Subject: [PATCH 2197/2224] pcc-acpi: fix compile with new stricter ACPI types

This was another merge problem that wasn't a data conflict, but due to
independent changes in two branches that just didn't work together.

The pcc-acpi staging driver used

	acpi_driver_data(device) = hotkey;

to set driver data, but the ACPI merge made that invalid in commit
db89b4f0dbab837d0f3de2c3e9427a8d5393afa3 ("ACPI: catch calls of
acpi_driver_data on pointer of wrong type"), and now you're supposed to
just do.

	device->driver_data = hotkey;

instead.

Fix it up.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/staging/pcc-acpi/pcc-acpi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/pcc-acpi/pcc-acpi.c b/drivers/staging/pcc-acpi/pcc-acpi.c
index 7715c31f273..3b34a3e4885 100644
--- a/drivers/staging/pcc-acpi/pcc-acpi.c
+++ b/drivers/staging/pcc-acpi/pcc-acpi.c
@@ -1011,7 +1011,7 @@ static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device)
 	hotkey->device   = device;
 	hotkey->handle   = device->handle;
 	hotkey->num_sifr = num_sifr;
-	acpi_driver_data(device) = hotkey;
+	device->driver_data = hotkey;
 	strcpy(acpi_device_name(device),  ACPI_PCC_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
 
-- 
GitLab


From fd55cd3d3a8e57b6fac5966a23aca3cf6035b34c Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nico@cam.org>
Date: Thu, 23 Oct 2008 19:35:09 +0100
Subject: [PATCH 2198/2224] [ARM] 5321/1: Kirkwood: fix typo in Makefile

Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-kirkwood/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index e14bf40bfb0..b96c55dad34 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -2,4 +2,4 @@ obj-y				+= common.o addr-map.o irq.o pcie.o
 
 obj-$(CONFIG_MACH_DB88F6281_BP)		+= db88f6281-bp-setup.o
 obj-$(CONFIG_MACH_RD88F6192_NAS)	+= rd88f6192-nas-setup.o
-obj-$(CONFIG_MACH_RD88F6192_NAS)	+= rd88f6281-setup.o
+obj-$(CONFIG_MACH_RD88F6281)		+= rd88f6281-setup.o
-- 
GitLab


From 3856d30ded1fe43c6657927ebad402d25cd128f4 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Thu, 23 Oct 2008 20:33:29 +0200
Subject: [PATCH 2199/2224] ext4: remove unused variable in ext4_get_parent

Signed-off-by: Christoph Hellwig <hch@lst.de>
[ All users removed in "switch all filesystems over to d_obtain_alias",
  aka commit 440037287c5ebb07033ab927ca16bb68c291d309 ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/ext4/namei.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5b93a7d94d4..63adcb79298 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1061,7 +1061,6 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, stru
 struct dentry *ext4_get_parent(struct dentry *child)
 {
 	unsigned long ino;
-	struct dentry *parent;
 	struct inode *inode;
 	static const struct qstr dotdot = {
 		.name = "..",
-- 
GitLab


From d2441183dc222d12961ff2201f5086c846505d93 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 23 Oct 2008 12:07:17 -0700
Subject: [PATCH 2200/2224] Fix compile warning in kernel/params.c

Move free_module_param_attrs() into the CONFIG_MODULES section, since
it's only used inside there. Thus avoiding the warning

  kernel/params.c:514: warning: 'free_module_param_attrs' defined but not used

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/params.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/params.c b/kernel/params.c
index b077f1b045d..a1e3025b19a 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -510,6 +510,7 @@ fail:
 	return err;
 }
 
+#ifdef CONFIG_MODULES
 static void free_module_param_attrs(struct module_kobject *mk)
 {
 	kfree(mk->mp->grp.attrs);
@@ -517,7 +518,6 @@ static void free_module_param_attrs(struct module_kobject *mk)
 	mk->mp = NULL;
 }
 
-#ifdef CONFIG_MODULES
 /*
  * module_param_sysfs_setup - setup sysfs support for one module
  * @mod: module
-- 
GitLab


From f81db8200d1aaf45069399e7525c442ac3013826 Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Thu, 23 Oct 2008 15:14:52 -0400
Subject: [PATCH 2201/2224] staging: pcc_acpi: delete obsolete driver

pcc_acpi is based on an old version
of drivers/misc/panasonic-laptop.c

Signed-off-by: Len Brown <len.brown@intel.com>
---
 drivers/staging/Kconfig             |    2 -
 drivers/staging/Makefile            |    1 -
 drivers/staging/pcc-acpi/Kconfig    |   11 -
 drivers/staging/pcc-acpi/Makefile   |    1 -
 drivers/staging/pcc-acpi/TODO       |    7 -
 drivers/staging/pcc-acpi/pcc-acpi.c | 1111 ---------------------------
 6 files changed, 1133 deletions(-)
 delete mode 100644 drivers/staging/pcc-acpi/Kconfig
 delete mode 100644 drivers/staging/pcc-acpi/Makefile
 delete mode 100644 drivers/staging/pcc-acpi/TODO
 delete mode 100644 drivers/staging/pcc-acpi/pcc-acpi.c

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index c4eff44c9f2..e1654f59eb7 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -43,8 +43,6 @@ source "drivers/staging/echo/Kconfig"
 
 source "drivers/staging/at76_usb/Kconfig"
 
-source "drivers/staging/pcc-acpi/Kconfig"
-
 source "drivers/staging/poch/Kconfig"
 
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 7cb8701d96d..71c4d53760b 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -13,5 +13,4 @@ obj-$(CONFIG_W35UND)		+= winbond/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
 obj-$(CONFIG_ECHO)		+= echo/
 obj-$(CONFIG_USB_ATMEL)		+= at76_usb/
-obj-$(CONFIG_PCC_ACPI)		+= pcc-acpi/
 obj-$(CONFIG_POCH)		+= poch/
diff --git a/drivers/staging/pcc-acpi/Kconfig b/drivers/staging/pcc-acpi/Kconfig
deleted file mode 100644
index 6720d4086ba..00000000000
--- a/drivers/staging/pcc-acpi/Kconfig
+++ /dev/null
@@ -1,11 +0,0 @@
-config PCC_ACPI
-	tristate "Panasonic ACPI Hotkey support"
-	depends on ACPI
-	default n
-	---help---
-	  This driver provides support for Panasonic hotkeys through the
-	  ACPI interface.  This works for the Panasonic R1 (N variant),
-	  R2, R3, T2, W2, and Y2 laptops.
-
-	  To compile this driver as a module, choose M here. The module
-	  will be called pcc-acpi.
diff --git a/drivers/staging/pcc-acpi/Makefile b/drivers/staging/pcc-acpi/Makefile
deleted file mode 100644
index f93b29edf61..00000000000
--- a/drivers/staging/pcc-acpi/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_PCC_ACPI)		+= pcc-acpi.o
diff --git a/drivers/staging/pcc-acpi/TODO b/drivers/staging/pcc-acpi/TODO
deleted file mode 100644
index fab24098228..00000000000
--- a/drivers/staging/pcc-acpi/TODO
+++ /dev/null
@@ -1,7 +0,0 @@
-TODO:
-	- Lindent fixes
-	- checkpatch.pl fixes
-	- verify that the acpi interface is correct
-	- remove /proc dependancy if needed (not sure yet.)
-
-Please send any patches for this driver to Greg Kroah-Hartman <greg@kroah.com>
diff --git a/drivers/staging/pcc-acpi/pcc-acpi.c b/drivers/staging/pcc-acpi/pcc-acpi.c
deleted file mode 100644
index 3b34a3e4885..00000000000
--- a/drivers/staging/pcc-acpi/pcc-acpi.c
+++ /dev/null
@@ -1,1111 +0,0 @@
-/*
- *  Panasonic HotKey and lcd brightness control Extra driver
- *  (C) 2004 Hiroshi Miura <miura@da-cha.org>
- *  (C) 2004 NTT DATA Intellilink Co. http://www.intellilink.co.jp/
- *  (C) YOKOTA Hiroshi <yokota (at) netlab. is. tsukuba. ac. jp>
- *  (C) 2004 David Bronaugh <dbronaugh>
- *
- *  derived from toshiba_acpi.c, Copyright (C) 2002-2004 John Belmonte
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  publicshed by the Free Software Foundation.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *---------------------------------------------------------------------------
- *
- * ChangeLog:
- *
- * 	Nov.04, 2006	Hiroshi Miura <miura@da-cha.org>
- * 		-v0.9	remove warning about section reference.
- * 			remove acpi_os_free
- * 			add /proc/acpi/pcc/brightness interface to
- * 			allow HAL to access.
- * 			merge dbronaugh's enhancement
- * 			Aug.17, 2004 David Bronaugh (dbronaugh)
- *  				- Added screen brightness setting interface
- *				  Thanks to the FreeBSD crew
- *				  (acpi_panasonic.c authors)
- * 				  for the ideas I needed to accomplish it
- *
- *	May.29, 2006	Hiroshi Miura <miura@da-cha.org>
- *		-v0.8.4 follow to change keyinput structure
- *			thanks Fabian Yamaguchi <fabs@cs.tu-berlin.de>,
- *			Jacob Bower <jacob.bower@ic.ac.uk> and
- *			Hiroshi Yokota for providing solutions.
- *
- *	Oct.02, 2004	Hiroshi Miura <miura@da-cha.org>
- *		-v0.8.2	merge code of YOKOTA Hiroshi
- *			<yokota@netlab.is.tsukuba.ac.jp>.
- *			Add sticky key mode interface.
- *			Refactoring acpi_pcc_generete_keyinput().
- *
- *	Sep.15, 2004	Hiroshi Miura <miura@da-cha.org>
- *		-v0.8	Generate key input event on input subsystem.
- *			This is based on yet another driver
- *			written by Ryuta Nakanishi.
- *
- *	Sep.10, 2004	Hiroshi Miura <miura@da-cha.org>
- *		-v0.7	Change proc interface functions using seq_file
- *			facility as same as other ACPI drivers.
- *
- *	Aug.28, 2004	Hiroshi Miura <miura@da-cha.org>
- *		-v0.6.4 Fix a silly error with status checking
- *
- *	Aug.25, 2004	Hiroshi Miura <miura@da-cha.org>
- *		-v0.6.3 replace read_acpi_int by standard
- *			function acpi_evaluate_integer
- *			some clean up and make smart copyright notice.
- *			fix return value of pcc_acpi_get_key()
- *			fix checking return value of acpi_bus_register_driver()
- *
- *      Aug.22, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
- *              -v0.6.2 Add check on ACPI data (num_sifr)
- *                      Coding style cleanups, better error messages/handling
- *			Fixed an off-by-one error in memory allocation
- *
- *      Aug.21, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
- *              -v0.6.1 Fix a silly error with status checking
- *
- *      Aug.20, 2004    David Bronaugh <dbronaugh@linuxboxen.org>
- *              - v0.6  Correct brightness controls to reflect reality
- *                      based on information gleaned by Hiroshi Miura
- *                      and discussions with Hiroshi Miura
- *
- *	Aug.10, 2004	Hiroshi Miura <miura@da-cha.org>
- *		- v0.5  support LCD brightness control
- *			based on the disclosed information by MEI.
- *
- *	Jul.25, 2004	Hiroshi Miura <miura@da-cha.org>
- *		- v0.4  first post version
- *		        add function to retrive SIFR
- *
- *	Jul.24, 2004	Hiroshi Miura <miura@da-cha.org>
- *		- v0.3  get proper status of hotkey
- *
- *      Jul.22, 2004	Hiroshi Miura <miura@da-cha.org>
- *		- v0.2  add HotKey handler
- *
- *      Jul.17, 2004	Hiroshi Miura <miura@da-cha.org>
- *		- v0.1  start from toshiba_acpi driver written by John Belmonte
- *
- */
-
-#define ACPI_PCC_VERSION	"0.9+hy"
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/ctype.h>
-#include <linux/init.h>
-#include <linux/input.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-
-/*************************************************************************
- * "seq" file template definition.
- */
-/* "seq" initializer */
-#define SEQ_OPEN_FS(_open_func_name_, _show_func_name_) \
-static int _open_func_name_(struct inode *inode, struct file *file) \
-{								      \
-	return single_open(file, _show_func_name_, PDE(inode)->data);  \
-}
-
-/*-------------------------------------------------------------------------
- * "seq" fops template for read-only files.
- */
-#define SEQ_FILEOPS_R(_open_func_name_) \
-{ \
-	.open	 = _open_func_name_,		  \
-	.read	 = seq_read,			  \
-	.llseek	 = seq_lseek,			  \
-	.release = single_release,		  \
-}
-
-/*------------------------------------------------------------------------
- * "seq" fops template for read-write files.
- */
-#define SEQ_FILEOPS_RW(_open_func_name_, _write_func_name_) \
-{ \
-	.open	 = _open_func_name_ ,		  \
-	.read	 = seq_read,			  \
-	.write	 = _write_func_name_,		  \
-	.llseek	 = seq_lseek,			  \
-	.release = single_release,		  \
-}
-
-/*
- * "seq" file template definition ended.
- ***************************************************************************
- */
-#ifndef ACPI_HOTKEY_COMPONENT
-#define ACPI_HOTKEY_COMPONENT	0x10000000
-#endif
-
-#define _COMPONENT		ACPI_HOTKEY_COMPONENT
-ACPI_MODULE_NAME("pcc_acpi");
-
-MODULE_AUTHOR("Hiroshi Miura, Hiroshi Yokota");
-MODULE_DESCRIPTION("ACPI HotKey driver for Panasonic Let's Note laptops");
-MODULE_LICENSE("GPL");
-
-#define LOGPREFIX "pcc_acpi: "
-
-/****************************************************
- * Define ACPI PATHs
- ****************************************************/
-/* Lets note hotkeys */
-#define METHOD_HKEY_QUERY	"HINF"
-#define METHOD_HKEY_SQTY	"SQTY"
-#define METHOD_HKEY_SINF	"SINF"
-#define METHOD_HKEY_SSET	"SSET"
-#define HKEY_NOTIFY		 0x80
-
-/* for brightness control */
-#define LCD_MAX_BRIGHTNESS 255
-/* This may be magical -- beware */
-#define LCD_BRIGHTNESS_INCREMENT 17
-/* Registers of SINF */
-#define SINF_LCD_BRIGHTNESS 4
-
-/*******************************************************************
- *
- * definitions for /proc/ interface
- *
- *******************************************************************/
-#define ACPI_PCC_DRIVER_NAME	"pcc_acpi"
-#define ACPI_PCC_DEVICE_NAME	"PCCExtra"
-#define ACPI_PCC_CLASS		"pcc"
-#define PROC_PCC		ACPI_PCC_CLASS
-
-#define ACPI_PCC_INPUT_PHYS	"panasonic/hkey0"
-
-/* This is transitional definition */
-#ifndef KEY_BATT
-# define KEY_BATT 227
-#endif
-
-#define PROC_STR_MAX_LEN  8
-
-#define BUS_PCC_HOTKEY BUS_I8042 /*0x1a*/ /* FIXME: BUS_I8042? */
-
-/* Fn+F4/F5 confricts with Shift+F1/F2  */
-/* This hack avoids key number confrict */
-#define PCC_KEYINPUT_MODE (0)
-
-/* LCD_TYPEs: 0 = Normal, 1 = Semi-transparent
-   ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
-*/
-enum SINF_BITS { SINF_NUM_BATTERIES = 0,
-		 SINF_LCD_TYPE,
-		 SINF_AC_MAX_BRIGHT,
-		 SINF_AC_MIN_BRIGHT,
-		 SINF_AC_CUR_BRIGHT,
-			     /* 4 = R1 only handle SINF_AC_CUR_BRIGHT
-			      * as SINF_CUR_BRIGHT and don't know AC state */
-		 SINF_DC_MAX_BRIGHT,
-		 SINF_DC_MIN_BRIGHT,
-		 SINF_DC_CUR_BRIGHT,
-		 SINF_MUTE,
-		 SINF_RESERVED,
-		 SINF_ENV_STATE, /* 10 */
-		 SINF_STICKY_KEY = 0x80,
-};
-
-static struct acpi_device_id pcc_device_ids[] = {
-	{"MAT0012", 0},
-	{"MAT0013", 0},
-	{"MAT0018", 0},
-	{"MAT0019", 0},
-	{"",	    0},
-};
-MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
-
-
-static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device);
-static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device,
-					    int type);
-static int acpi_pcc_hotkey_resume(struct acpi_device *device);
-
-
-static struct acpi_driver acpi_pcc_driver = {
-	.name =		ACPI_PCC_DRIVER_NAME,
-	.class =	ACPI_PCC_CLASS,
-	.ids =		pcc_device_ids,
-	.ops =		{
-				.add = acpi_pcc_hotkey_add,
-				.remove = __devexit_p(acpi_pcc_hotkey_remove),
-#ifdef CONFIG_PM
-				/*.suspend = acpi_pcc_hotkey_suspend,*/
-				.resume = acpi_pcc_hotkey_resume,
-#endif
-			},
-};
-
-struct acpi_hotkey {
-	acpi_handle		handle;
-	struct acpi_device	*device;
-	struct proc_dir_entry   *proc_dir_entry;
-	unsigned long		num_sifr;
-	unsigned long		status;
-	struct input_dev	*input_dev;
-	int			sticky_mode;
-};
-
-struct pcc_keyinput {
-	struct acpi_hotkey      *hotkey;
-	int key_mode;
-};
-
-/* *************************************************************************
-   Hotkey driver core
-   ************************************************************************* */
-/* -------------------------------------------------------------------------
-   method access functions
-   ------------------------------------------------------------------------- */
-static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
-{
-	union acpi_object in_objs[] = {
-		{ .integer.type  = ACPI_TYPE_INTEGER,
-		  .integer.value = func, },
-		{ .integer.type  = ACPI_TYPE_INTEGER,
-		  .integer.value = val, },
-	};
-	struct acpi_object_list params = {
-		.count   = ARRAY_SIZE(in_objs),
-		.pointer = in_objs,
-	};
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
-
-	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET,
-								&params, NULL);
-
-	return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
-}
-
-static inline int acpi_pcc_get_sqty(struct acpi_device *device)
-{
-	unsigned long s;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty");
-
-	status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY,
-								NULL, &s);
-	if (ACPI_SUCCESS(status)) {
-		return_VALUE(s);
-	} else {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				  "evaluation error HKEY.SQTY\n"));
-		return_VALUE(-EINVAL);
-	}
-}
-
-static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32 *sinf)
-{
-	acpi_status status;
-	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
-	union acpi_object *hkey = NULL;
-	int i;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata");
-
-	status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0,
-				      &buffer);
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "evaluation error HKEY.SINF\n"));
-		status = AE_ERROR;
-		return_VALUE(status);
-	}
-
-	hkey = buffer.pointer;
-	if (!hkey || (hkey->type != ACPI_TYPE_PACKAGE)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF\n"));
-		goto free_buffer;
-	}
-
-	if (hotkey->num_sifr < hkey->package.count) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "SQTY reports bad SINF length\n"));
-		status = AE_ERROR;
-		goto free_buffer;
-	}
-
-	for (i = 0; i < hkey->package.count; i++) {
-		union acpi_object *element = &(hkey->package.elements[i]);
-		if (likely(element->type == ACPI_TYPE_INTEGER)) {
-			sinf[i] = element->integer.value;
-		} else {
-			ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-					 "Invalid HKEY.SINF data\n"));
-			status = AE_ERROR;
-			break;
-		}
-	}
-	sinf[hkey->package.count] = -1;
-
- free_buffer:
-	kfree(buffer.pointer);
-	return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
-}
-
-static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field)
-{
-	struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
-	u32 sinf[hotkey->num_sifr + 1];
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field");
-
-	if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf)))
-		seq_printf(seq, "%u\n",	sinf[field]);
-	else
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Couldn't retrieve BIOS data\n"));
-
-	return_VALUE(AE_OK);
-}
-
-/* -------------------------------------------------------------------------
-   user interface functions
-   ------------------------------------------------------------------------- */
-/* read methods */
-/* Sinf read methods */
-#define PCC_SINF_READ_F(_name_, FUNC) \
-static int _name_(struct seq_file *seq, void *offset) \
-{ \
-	return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq,	\
-							  (FUNC))) \
-							  ? 0 : -EINVAL); \
-}
-
-PCC_SINF_READ_F(acpi_pcc_numbatteries_show,	 SINF_NUM_BATTERIES);
-PCC_SINF_READ_F(acpi_pcc_lcdtype_show,		 SINF_LCD_TYPE);
-PCC_SINF_READ_F(acpi_pcc_ac_brightness_max_show, SINF_AC_MAX_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_ac_brightness_min_show, SINF_AC_MIN_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_ac_brightness_show,	 SINF_AC_CUR_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_dc_brightness_max_show, SINF_DC_MAX_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_dc_brightness_min_show, SINF_DC_MIN_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_dc_brightness_show,	 SINF_DC_CUR_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_brightness_show,	 SINF_AC_CUR_BRIGHT);
-PCC_SINF_READ_F(acpi_pcc_mute_show,		 SINF_MUTE);
-
-static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
-{
-	struct acpi_hotkey *hotkey = seq->private;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show");
-
-	if (!hotkey || !hotkey->device)
-		return_VALUE(-EINVAL);
-
-	seq_printf(seq, "%d\n", hotkey->sticky_mode);
-
-	return_VALUE(0);
-}
-
-static int acpi_pcc_keyinput_show(struct seq_file *seq, void *offset)
-{
-	struct acpi_hotkey 	*hotkey = seq->private;
-	struct input_dev 	*hotk_input_dev = hotkey->input_dev;
-	struct pcc_keyinput 	*keyinput = input_get_drvdata(hotk_input_dev);
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_keyinput_show");
-
-	seq_printf(seq, "%d\n", keyinput->key_mode);
-
-	return_VALUE(0);
-}
-
-static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
-{
-	struct acpi_hotkey *hotkey = seq->private;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_version_show");
-
-	if (!hotkey || !hotkey->device)
-		return_VALUE(-EINVAL);
-
-	seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME,
-		   ACPI_PCC_VERSION);
-	seq_printf(seq, "%li functions\n", hotkey->num_sifr);
-
-	return_VALUE(0);
-}
-
-/* write methods */
-static ssize_t acpi_pcc_write_single_flag(struct file *file,
-					  const char __user *buffer,
-					  size_t count,
-					  int sinf_func)
-{
-	struct seq_file		*seq = file->private_data;
-	struct acpi_hotkey	*hotkey = seq->private;
-	char			write_string[PROC_STR_MAX_LEN];
-	u32			val;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag");
-
-	if (!hotkey || (count > sizeof(write_string) - 1))
-		return_VALUE(-EINVAL);
-
-	if (copy_from_user(write_string, buffer, count))
-		return_VALUE(-EFAULT);
-
-	write_string[count] = '\0';
-
-	if ((sscanf(write_string, "%3i", &val) == 1) &&
-	    (val == 0 || val == 1))
-		acpi_pcc_write_sset(hotkey, sinf_func, val);
-
-	return_VALUE(count);
-}
-
-static unsigned long acpi_pcc_write_brightness(struct file *file,
-					       const char __user *buffer,
-					       size_t count,
-					       int min_index, int max_index,
-					       int cur_index)
-{
-	struct seq_file		*seq = (struct seq_file *)file->private_data;
-	struct acpi_hotkey	*hotkey = (struct acpi_hotkey *)seq->private;
-	char			write_string[PROC_STR_MAX_LEN];
-	u32 bright;
-	u32 sinf[hotkey->num_sifr + 1];
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness");
-
-	if (!hotkey || (count > sizeof(write_string) - 1))
-		return_VALUE(-EINVAL);
-
-	if (copy_from_user(write_string, buffer, count))
-		return_VALUE(-EFAULT);
-
-	write_string[count] = '\0';
-
-	if (ACPI_FAILURE(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Couldn't retrieve BIOS data\n"));
-		goto end;
-	}
-
-	if ((sscanf(write_string, "%4i", &bright) == 1) &&
-	    (bright >= sinf[min_index]) &&
-	    (bright <= sinf[max_index]))
-		acpi_pcc_write_sset(hotkey, cur_index, bright);
-
-end:
-	return_VALUE(count);
-}
-
-static ssize_t acpi_pcc_write_ac_brightness(struct file *file,
-					    const char __user *buffer,
-					    size_t count, loff_t *ppos)
-{
-	return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
-					       SINF_AC_MIN_BRIGHT,
-					       SINF_AC_MAX_BRIGHT,
-					       SINF_AC_CUR_BRIGHT));
-}
-
-static ssize_t acpi_pcc_write_dc_brightness(struct file *file,
-					    const char __user *buffer,
-					    size_t count, loff_t *ppos)
-{
-	return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
-					       SINF_DC_MIN_BRIGHT,
-					       SINF_DC_MAX_BRIGHT,
-					       SINF_DC_CUR_BRIGHT));
-}
-
-static ssize_t acpi_pcc_write_no_brightness(struct file *file,
-					    const char __user *buffer,
-					    size_t count, loff_t *ppos)
-{
-	return acpi_pcc_write_brightness(file, buffer, count,
-					 SINF_AC_MIN_BRIGHT,
-					 SINF_AC_MAX_BRIGHT,
-					 SINF_AC_CUR_BRIGHT);
-}
-
-static ssize_t acpi_pcc_write_mute(struct file *file,
-				   const char __user *buffer,
-				   size_t count, loff_t *ppos)
-{
-	return_VALUE(acpi_pcc_write_single_flag(file, buffer, count,
-						SINF_MUTE));
-}
-
-static ssize_t acpi_pcc_write_sticky_key(struct file *file,
-					 const char __user *buffer,
-					 size_t count, loff_t *ppos)
-{
-	struct seq_file     *seq = (struct seq_file *)file->private_data;
-	struct acpi_hotkey  *hotkey = (struct acpi_hotkey *)seq->private;
-	char                 write_string[PROC_STR_MAX_LEN];
-	int                  mode;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_write_sticky_key");
-
-	if (!hotkey || (count > sizeof(write_string) - 1))
-		return_VALUE(-EINVAL);
-
-	if (copy_from_user(write_string, buffer, count))
-		return_VALUE(-EFAULT);
-
-	write_string[count] = '\0';
-
-	if ((sscanf(write_string, "%3i", &mode) == 1) &&
-	    (mode == 0 || mode == 1)) {
-		acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, mode);
-		hotkey->sticky_mode = mode;
-	}
-
-	return_VALUE(count);
-}
-
-static ssize_t acpi_pcc_write_keyinput(struct file *file,
-				       const char __user *buffer,
-				       size_t count, loff_t *ppos)
-{
-	struct seq_file		*seq = (struct seq_file *)file->private_data;
-	struct acpi_hotkey	*hotkey = (struct acpi_hotkey *)seq->private;
-	struct pcc_keyinput 	*keyinput;
-	char			write_string[PROC_STR_MAX_LEN];
-	int			key_mode;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput");
-
-	if (!hotkey || (count > (sizeof(write_string) - 1)))
-		return_VALUE(-EINVAL);
-
-	if (copy_from_user(write_string, buffer, count))
-		return_VALUE(-EFAULT);
-
-	write_string[count] = '\0';
-
-	if ((sscanf(write_string, "%4i", &key_mode) == 1) &&
-	    (key_mode == 0 || key_mode == 1)) {
-		keyinput = input_get_drvdata(hotkey->input_dev);
-		keyinput->key_mode = key_mode;
-	}
-
-	return_VALUE(count);
-}
-
-/* -------------------------------------------------------------------------
-   hotkey driver
-   ------------------------------------------------------------------------- */
-static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
-{
-	struct input_dev    *hotk_input_dev = hotkey->input_dev;
-	struct pcc_keyinput *keyinput = input_get_drvdata(hotk_input_dev);
-	int hinf = hotkey->status;
-	int key_code, hkey_num;
-	const int key_map[] = {
-		/*  0 */ -1,
-		/*  1 */ KEY_BRIGHTNESSDOWN,
-		/*  2 */ KEY_BRIGHTNESSUP,
-		/*  3 */ -1, /* vga/lcd switch event is not occur on
-				hotkey driver. */
-		/*  4 */ KEY_MUTE,
-		/*  5 */ KEY_VOLUMEDOWN,
-		/*  6 */ KEY_VOLUMEUP,
-		/*  7 */ KEY_SLEEP,
-		/*  8 */ -1, /* Change CPU boost: do nothing */
-		/*  9 */ KEY_BATT,
-		/* 10 */ KEY_SUSPEND,
-	};
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_generete_keyinput");
-
-	if (keyinput->key_mode == 0)
-		return_VOID;
-
-	hkey_num = hinf & 0xf;
-
-	if ((0 > hkey_num) ||
-	    (hkey_num > ARRAY_SIZE(key_map))) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				  "hotkey number out of range: %d\n",
-				  hkey_num));
-		return_VOID;
-	}
-
-	key_code = key_map[hkey_num];
-
-	if (key_code != -1) {
-		int pushed = (hinf & 0x80) ? TRUE : FALSE;
-
-		input_report_key(hotk_input_dev, key_code, pushed);
-		input_sync(hotk_input_dev);
-	}
-}
-
-static int acpi_pcc_hotkey_get_key(struct acpi_hotkey *hotkey)
-{
-	unsigned long result;
-	acpi_status status = AE_OK;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_get_key");
-
-	status = acpi_evaluate_integer(hotkey->handle, METHOD_HKEY_QUERY,
-								NULL, &result);
-	if (likely(ACPI_SUCCESS(status)))
-		hotkey->status = result;
-	else
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-			"error getting hotkey status\n"));
-
-	return_VALUE(status == AE_OK);
-}
-
-void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
-{
-	struct acpi_hotkey *hotkey = (struct acpi_hotkey *) data;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify");
-
-	switch (event) {
-	case HKEY_NOTIFY:
-		if (acpi_pcc_hotkey_get_key(hotkey)) {
-			/* generate event like '"pcc HKEY 00000080 00000084"'
-			 * when Fn+F4 pressed */
-			acpi_bus_generate_proc_event(hotkey->device, event,
-								hotkey->status);
-		}
-		acpi_pcc_generete_keyinput(hotkey);
-		break;
-	default:
-		/* nothing to do */
-		break;
-	}
-	return_VOID;
-}
-
-/* *************************************************************************
-   FS Interface (/proc)
-   ************************************************************************* */
-/* oepn proc file fs*/
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show);
-SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs,
-	    acpi_pcc_ac_brightness_max_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs,
-	    acpi_pcc_ac_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs,
-	    acpi_pcc_dc_brightness_max_show);
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs,
-	    acpi_pcc_dc_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
-SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
-SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
-SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
-
-static struct file_operations acpi_pcc_numbatteries_fops =
-	SEQ_FILEOPS_R(acpi_pcc_numbatteries_open_fs);
-static struct file_operations acpi_pcc_lcdtype_fops =
-	SEQ_FILEOPS_R(acpi_pcc_lcdtype_open_fs);
-static struct file_operations acpi_pcc_mute_fops =
-	SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
-static struct file_operations acpi_pcc_ac_brightness_fops =
-	SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs,
-		       acpi_pcc_write_ac_brightness);
-static struct file_operations acpi_pcc_ac_brightness_max_fops =
-	SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs);
-static struct file_operations acpi_pcc_ac_brightness_min_fops =
-	SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs);
-static struct file_operations acpi_pcc_dc_brightness_fops =
-	SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs,
-		       acpi_pcc_write_dc_brightness);
-static struct file_operations acpi_pcc_dc_brightness_max_fops =
-	SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs);
-static struct file_operations acpi_pcc_dc_brightness_min_fops =
-	SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs);
-static struct file_operations acpi_pcc_brightness_fops =
-	SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs,
-		       acpi_pcc_write_no_brightness);
-static struct file_operations acpi_pcc_sticky_key_fops =
-	SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
-static struct file_operations acpi_pcc_keyinput_fops =
-	SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
-static struct file_operations acpi_pcc_version_fops =
-	SEQ_FILEOPS_R(acpi_pcc_version_open_fs);
-
-struct proc_item {
-	const char *name;
-	struct file_operations *fops;
-	mode_t flag;
-};
-
-/* Note: These functions map *exactly* to the SINF/SSET functions */
-struct proc_item acpi_pcc_proc_items_sifr[] = {
-	{ "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO },
-	{ "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
-	{ "ac_brightness_max", &acpi_pcc_ac_brightness_max_fops, S_IRUGO },
-	{ "ac_brightness_min", &acpi_pcc_ac_brightness_min_fops, S_IRUGO },
-	{ "ac_brightness", &acpi_pcc_ac_brightness_fops,
-		S_IFREG | S_IRUGO | S_IWUSR },
-	{ "dc_brightness_max", &acpi_pcc_dc_brightness_max_fops, S_IRUGO },
-	{ "dc_brightness_min", &acpi_pcc_dc_brightness_min_fops, S_IRUGO },
-	{ "dc_brightness", &acpi_pcc_dc_brightness_fops,
-		S_IFREG | S_IRUGO | S_IWUSR },
-	{ "brightness", &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR},
-	{ "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR },
-	{ NULL, NULL, 0 },
-};
-
-struct proc_item acpi_pcc_proc_items[] = {
-	{ "sticky_key", &acpi_pcc_sticky_key_fops, S_IFREG | S_IRUGO | S_IWUSR},
-	{ "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR },
-	{ "version", &acpi_pcc_version_fops, S_IRUGO },
-	{ NULL, NULL, 0 },
-};
-
-static int __devinit acpi_pcc_add_device(struct acpi_device *device,
-					 struct proc_item *proc_items,
-					 int num)
-{
-	struct acpi_hotkey *hotkey = acpi_driver_data(device);
-	struct proc_dir_entry *proc;
-	struct proc_item *item;
-	int i;
-
-	for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) {
-		proc = create_proc_entry(item->name, item->flag,
-					 hotkey->proc_dir_entry);
-		if (likely(proc)) {
-			proc->proc_fops = item->fops;
-			proc->data = hotkey;
-			proc->owner = THIS_MODULE;
-		} else {
-			while (i-- > 0) {
-				item--;
-				remove_proc_entry(item->name,
-					hotkey->proc_dir_entry);
-			}
-			return_VALUE(-ENODEV);
-		}
-	}
-	return_VALUE(0);
-}
-
-static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
-{
-	struct proc_dir_entry *acpi_pcc_dir;
-	struct acpi_hotkey    *hotkey = acpi_driver_data(device);
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_proc_init");
-
-	acpi_pcc_dir = proc_mkdir(PROC_PCC, acpi_root_dir);
-
-	if (unlikely(!acpi_pcc_dir)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Couldn't create dir in /proc\n"));
-		return_VALUE(-ENODEV);
-	}
-
-	acpi_pcc_dir->owner = THIS_MODULE;
-	hotkey->proc_dir_entry = acpi_pcc_dir;
-
-	status =  acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr,
-				      hotkey->num_sifr);
-	status |= acpi_pcc_add_device(device, acpi_pcc_proc_items,
-				      ARRAY_SIZE(acpi_pcc_proc_items));
-	if (unlikely(status)) {
-		remove_proc_entry(PROC_PCC, acpi_root_dir);
-		hotkey->proc_dir_entry = NULL;
-		return_VALUE(-ENODEV);
-	}
-
-	return_VALUE(status);
-}
-
-static void __devexit acpi_pcc_remove_device(struct acpi_device *device,
-					     struct proc_item *proc_items,
-					     int num)
-{
-	struct acpi_hotkey *hotkey = acpi_driver_data(device);
-	struct proc_item *item;
-	int i;
-
-	for (item = proc_items, i = 0;
-	     item->name != NULL && i < num;
-	     ++item, ++i) {
-		remove_proc_entry(item->name, hotkey->proc_dir_entry);
-	}
-
-	return_VOID;
-}
-
-/* *************************************************************************
-   Power Management
-   ************************************************************************* */
-#ifdef CONFIG_PM
-static int acpi_pcc_hotkey_resume(struct acpi_device *device)
-{
-	struct acpi_hotkey *hotkey = acpi_driver_data(device);
-	acpi_status	    status = AE_OK;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
-
-	if (device == NULL || hotkey == NULL)
-		return_VALUE(-EINVAL);
-
-	if (hotkey->num_sifr != 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n",
-				 hotkey->sticky_mode));
-
-		status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY,
-					     hotkey->sticky_mode);
-	}
-	if (status != AE_OK)
-		return_VALUE(-EINVAL);
-
-	return_VALUE(0);
-}
-#endif
-
-/* *************************************************************************
-   Module init/remove
-   ************************************************************************* */
-/* -------------------------------------------------------------------------
-   input
-   ------------------------------------------------------------------------- */
-static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
-{
-	struct input_dev    *hotk_input_dev;
-	struct pcc_keyinput *pcc_keyinput;
-	int error;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_init_input");
-
-	hotk_input_dev = input_allocate_device();
-	if (hotk_input_dev == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Couldn't allocate input device for hotkey"));
-		goto err_input;
-	}
-
-	pcc_keyinput = kcalloc(1, sizeof(struct pcc_keyinput), GFP_KERNEL);
-
-	if (pcc_keyinput == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Couldn't allocate mem for private data"));
-		goto err_pcc;
-	}
-
-	hotk_input_dev->evbit[0] = BIT(EV_KEY);
-
-	set_bit(KEY_BRIGHTNESSDOWN, hotk_input_dev->keybit);
-	set_bit(KEY_BRIGHTNESSUP,   hotk_input_dev->keybit);
-	set_bit(KEY_MUTE,	    hotk_input_dev->keybit);
-	set_bit(KEY_VOLUMEDOWN,	    hotk_input_dev->keybit);
-	set_bit(KEY_VOLUMEUP,	    hotk_input_dev->keybit);
-	set_bit(KEY_SLEEP,	    hotk_input_dev->keybit);
-	set_bit(KEY_BATT,	    hotk_input_dev->keybit);
-	set_bit(KEY_SUSPEND,	    hotk_input_dev->keybit);
-
-	hotk_input_dev->name       = ACPI_PCC_DRIVER_NAME;
-	hotk_input_dev->phys       = ACPI_PCC_INPUT_PHYS;
-	hotk_input_dev->id.bustype = BUS_PCC_HOTKEY;
-	hotk_input_dev->id.vendor  = 0x0001;
-	hotk_input_dev->id.product = 0x0001;
-	hotk_input_dev->id.version = 0x0100;
-
-	pcc_keyinput->key_mode = PCC_KEYINPUT_MODE;
-	pcc_keyinput->hotkey   = hotkey;
-
-	input_set_drvdata(hotk_input_dev, pcc_keyinput);
-
-	hotkey->input_dev = hotk_input_dev;
-
-	error = input_register_device(hotk_input_dev);
-
-	if (error)
-		goto err_pcc;
-
-	return_VALUE(0);
-
- err_pcc:
-	input_unregister_device(hotk_input_dev);
- err_input:
-	return_VALUE(-ENOMEM);
-}
-
-static void __devexit acpi_pcc_remove_input(struct acpi_hotkey *hotkey)
-{
-	struct input_dev    *hotk_input_dev;
-	struct pcc_keyinput *pcc_keyinput;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_remove_input");
-
-	if (hotkey == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Can't free memory"));
-		return_VOID;
-	}
-
-	hotk_input_dev = hotkey->input_dev;
-	pcc_keyinput   = input_get_drvdata(hotk_input_dev);
-
-	input_unregister_device(hotk_input_dev);
-
-	kfree(pcc_keyinput);
-}
-
-/* -------------------------------------------------------------------------
-   ACPI
-   ------------------------------------------------------------------------- */
-static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device)
-{
-	acpi_status		status = AE_OK;
-	struct acpi_hotkey	*hotkey = NULL;
-	int sifr_status, num_sifr, result;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
-
-	if (device == NULL)
-		return_VALUE(-EINVAL);
-
-	sifr_status = acpi_pcc_get_sqty(device);
-
-	if (sifr_status > 255) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large"));
-		return_VALUE(-ENODEV);
-	}
-
-	if (sifr_status < 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "not support SQTY"));
-		num_sifr = 0;
-	} else {
-		num_sifr = sifr_status;
-	}
-
-	hotkey = kcalloc(1, sizeof(struct acpi_hotkey), GFP_KERNEL);
-	if (hotkey == NULL) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Couldn't allocate mem for hotkey"));
-		return_VALUE(-ENOMEM);
-	}
-
-	hotkey->device   = device;
-	hotkey->handle   = device->handle;
-	hotkey->num_sifr = num_sifr;
-	device->driver_data = hotkey;
-	strcpy(acpi_device_name(device),  ACPI_PCC_DEVICE_NAME);
-	strcpy(acpi_device_class(device), ACPI_PCC_CLASS);
-
-	status = acpi_install_notify_handler(hotkey->handle,
-					     ACPI_DEVICE_NOTIFY,
-					     acpi_pcc_hotkey_notify,
-					     hotkey);
-
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Error installing notify handler\n"));
-		kfree(hotkey);
-		return_VALUE(-ENODEV);
-	}
-
-	result = acpi_pcc_init_input(hotkey);
-	if (result != 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Error installing keyinput handler\n"));
-		kfree(hotkey);
-		return_VALUE(result);
-	}
-
-	return_VALUE(acpi_pcc_proc_init(device));
-}
-
-static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device,
-					    int type)
-{
-	acpi_status		status = AE_OK;
-	struct acpi_hotkey	*hotkey = acpi_driver_data(device);
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
-
-	if (!device || !hotkey)
-		return_VALUE(-EINVAL);
-
-	if (hotkey->proc_dir_entry) {
-		acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr,
-				       hotkey->num_sifr);
-		acpi_pcc_remove_device(device, acpi_pcc_proc_items,
-				       ARRAY_SIZE(acpi_pcc_proc_items));
-		remove_proc_entry(PROC_PCC, acpi_root_dir);
-	}
-
-	status = acpi_remove_notify_handler(hotkey->handle,
-		    ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
-
-	if (ACPI_FAILURE(status)) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Error removing notify handler\n"));
-	}
-
-	acpi_pcc_remove_input(hotkey);
-	kfree(hotkey);
-	return_VALUE(status == AE_OK);
-}
-
-/* *********************************************************************
-   Module entry point
-   ********************************************************************* */
-static int __init acpi_pcc_init(void)
-{
-	int result;
-
-	ACPI_FUNCTION_TRACE("acpi_pcc_init");
-
-	printk(KERN_INFO LOGPREFIX "loading...\n");
-
-	if (acpi_disabled) {
-		printk(KERN_INFO LOGPREFIX "ACPI disabled.\n");
-		return_VALUE(-ENODEV);
-	}
-
-	result = acpi_bus_register_driver(&acpi_pcc_driver);
-	if (result < 0) {
-		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
-				 "Error registering hotkey driver\n"));
-		return_VALUE(-ENODEV);
-	}
-
-	return_VALUE(result);
-}
-
-static void __exit acpi_pcc_exit(void)
-{
-	ACPI_FUNCTION_TRACE("acpi_pcc_exit");
-
-	printk(KERN_INFO LOGPREFIX "unloading...\n");
-
-	acpi_bus_unregister_driver(&acpi_pcc_driver);
-
-	return_VOID;
-}
-
-module_init(acpi_pcc_init);
-module_exit(acpi_pcc_exit);
-- 
GitLab


From fd6149d332973bafa50f03ddb0ea9513e67f4517 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@helsinki.fi>
Date: Thu, 23 Oct 2008 14:06:35 -0700
Subject: [PATCH 2202/2224] tcp: Restore ordering of TCP options for the sake
 of inter-operability
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

This is not our bug! Sadly some devices cannot cope with the change
of TCP option ordering which was a result of the recent rewrite of
the option code (not that there was some particular reason steming
from the rewrite for the reordering) though any ordering of TCP
options is perfectly legal. Thus we restore the original ordering
to allow interoperability with/through such broken devices and add
some warning about this trap. Since the reordering just happened
without any particular reason, this change shouldn't cost us
anything.

There are already couple of known failure reports (within close
proximity of the last release), so the problem might be more
wide-spread than a single device. And other reports which may
be due to the same problem though the symptoms were less obvious.
Analysis of one of the case revealed (with very high probability)
that sack capability cannot be negotiated as the first option
(SYN never got a response).

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Reported-by: Aldo Maggi <sentiniate@tiscali.it>
Tested-by: Aldo Maggi <sentiniate@tiscali.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/ipv4/tcp_output.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index de54f02f10a..e4c5ac9fe89 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -362,6 +362,17 @@ struct tcp_out_options {
 	__u32 tsval, tsecr;	/* need to include OPTION_TS */
 };
 
+/* Beware: Something in the Internet is very sensitive to the ordering of
+ * TCP options, we learned this through the hard way, so be careful here.
+ * Luckily we can at least blame others for their non-compliance but from
+ * inter-operatibility perspective it seems that we're somewhat stuck with
+ * the ordering which we have been using if we want to keep working with
+ * those broken things (not that it currently hurts anybody as there isn't
+ * particular reason why the ordering would need to be changed).
+ *
+ * At least SACK_PERM as the first option is known to lead to a disaster
+ * (but it may well be that other scenarios fail similarly).
+ */
 static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
 			      const struct tcp_out_options *opts,
 			      __u8 **md5_hash) {
@@ -376,6 +387,12 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
 		*md5_hash = NULL;
 	}
 
+	if (unlikely(opts->mss)) {
+		*ptr++ = htonl((TCPOPT_MSS << 24) |
+			       (TCPOLEN_MSS << 16) |
+			       opts->mss);
+	}
+
 	if (likely(OPTION_TS & opts->options)) {
 		if (unlikely(OPTION_SACK_ADVERTISE & opts->options)) {
 			*ptr++ = htonl((TCPOPT_SACK_PERM << 24) |
@@ -392,12 +409,6 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
 		*ptr++ = htonl(opts->tsecr);
 	}
 
-	if (unlikely(opts->mss)) {
-		*ptr++ = htonl((TCPOPT_MSS << 24) |
-			       (TCPOLEN_MSS << 16) |
-			       opts->mss);
-	}
-
 	if (unlikely(OPTION_SACK_ADVERTISE & opts->options &&
 		     !(OPTION_TS & opts->options))) {
 		*ptr++ = htonl((TCPOPT_NOP << 24) |
-- 
GitLab


From 6ffab0efc17f70f44810ae50fc40f934c8173f35 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Thu, 23 Oct 2008 22:06:53 +0100
Subject: [PATCH 2203/2224] [ARM] pxa: corgi backlight driver should not select
 ssp drivers

Resolves build errors with eseries and magician defconfigs (which
make use of the corgi backlight driver.)

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/video/backlight/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 1495a8136fc..a339e7f6067 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -117,7 +117,6 @@ config BACKLIGHT_ATMEL_PWM
 config BACKLIGHT_CORGI
 	tristate "Generic (aka Sharp Corgi) Backlight Driver (DEPRECATED)"
 	depends on BACKLIGHT_CLASS_DEVICE
-	select CORGI_SSP_DEPRECATED
 	default n
 	help
 	  Say y to enable the generic platform backlight driver previously
-- 
GitLab


From 3059ef99a167da6d5d77701fda5b905d985e31af Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Thu, 23 Oct 2008 23:22:06 +0200
Subject: [PATCH 2204/2224] sgiioc4: fix error cleanup path (take 2)

The driver "forgot" to call iounmap() iff request_mem_region() call failed in
sgiioc4_ide_setup_pci_device()...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: jeremy@sgi.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/sgiioc4.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index 8af9b23499f..9fadea41e1c 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -590,7 +590,8 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 		printk(KERN_ERR "%s %s -- ERROR: addresses 0x%08lx to 0x%08lx "
 		       "already in use\n", DRV_NAME, pci_name(dev),
 		       cmd_phys_base, cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE);
-		return -EBUSY;
+		rc = -EBUSY;
+		goto req_mem_rgn_err;
 	}
 
 	/* Initialize the IO registers */
@@ -618,6 +619,7 @@ err_free:
 	ide_host_free(host);
 err:
 	release_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE);
+req_mem_rgn_err:
 	iounmap(virt_base);
 	return rc;
 }
-- 
GitLab


From 95a84cd19224e7d41934d261b568dd04bf2bda3e Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Thu, 23 Oct 2008 23:22:06 +0200
Subject: [PATCH 2205/2224] sgiioc4: use ide_host_add() (take 2)

Convert the driver to use ide_host_add() -- this seems to be a straightforward
change which I'm not sure why hasn't been done yet...

While doing this at last, get rid of:

- useless local copy of the 'sgiioc4_port_info' variable;

- unnecessary 'goto' and label...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: jeremy@sgi.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/sgiioc4.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index 9fadea41e1c..d0cd670f454 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -567,9 +567,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 	unsigned long cmd_base, irqport;
 	unsigned long bar0, cmd_phys_base, ctl;
 	void __iomem *virt_base;
-	struct ide_host *host;
 	hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
-	struct ide_port_info d = sgiioc4_port_info;
 	int rc;
 
 	/*  Get the CmdBlk and CtrlBlk Base Registers */
@@ -604,20 +602,10 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 	/* Initializing chipset IRQ Registers */
 	writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4));
 
-	host = ide_host_alloc(&d, hws);
-	if (host == NULL) {
-		rc = -ENOMEM;
-		goto err;
-	}
-
-	rc = ide_host_register(host, &d, hws);
-	if (rc)
-		goto err_free;
+	rc = ide_host_add(&sgiioc4_port_info, hws, NULL);
+	if (!rc)
+		return 0;
 
-	return 0;
-err_free:
-	ide_host_free(host);
-err:
 	release_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE);
 req_mem_rgn_err:
 	iounmap(virt_base);
-- 
GitLab


From 283435621a21679e02088b5abcce7d15d6d2010a Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Thu, 23 Oct 2008 23:22:07 +0200
Subject: [PATCH 2206/2224] pci: use pci_ioremap_bar() in drivers/ide

Use the newly introduced pci_ioremap_bar() function in drivers/ide.
pci_ioremap_bar() just takes a pci device and a bar number, with the goal
of making it really hard to get wrong, while also having a central place
to stick sanity checks.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/sgiioc4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index d0cd670f454..7defa0ae201 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -572,7 +572,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 
 	/*  Get the CmdBlk and CtrlBlk Base Registers */
 	bar0 = pci_resource_start(dev, 0);
-	virt_base = ioremap(bar0, pci_resource_len(dev, 0));
+	virt_base = pci_ioremap_bar(dev, 0);
 	if (virt_base == NULL) {
 		printk(KERN_ERR "%s: Unable to remap BAR 0 address: 0x%lx\n",
 				DRV_NAME, bar0);
-- 
GitLab


From 1f1ab2745be4afc77446f17dd575a7e5695710fd Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Thu, 23 Oct 2008 23:22:07 +0200
Subject: [PATCH 2207/2224] ide: two more pci_ioremap_bar() conversions

based on suggestion from Sergei Shtylyov, there are two more places
where using pci_ioremap_bar() makes sense.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/scc_pata.c | 10 ++++------
 drivers/ide/siimage.c  |  2 +-
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index 49f163aa51e..f26aa5d54ef 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -536,10 +536,6 @@ static u8 scc_udma_filter(ide_drive_t *drive)
 
 static int setup_mmio_scc (struct pci_dev *dev, const char *name)
 {
-	unsigned long ctl_base = pci_resource_start(dev, 0);
-	unsigned long dma_base = pci_resource_start(dev, 1);
-	unsigned long ctl_size = pci_resource_len(dev, 0);
-	unsigned long dma_size = pci_resource_len(dev, 1);
 	void __iomem *ctl_addr;
 	void __iomem *dma_addr;
 	int i, ret;
@@ -557,10 +553,12 @@ static int setup_mmio_scc (struct pci_dev *dev, const char *name)
 		return ret;
 	}
 
-	if ((ctl_addr = ioremap(ctl_base, ctl_size)) == NULL)
+	ctl_addr = pci_ioremap_bar(dev, 0);
+	if (!ctl_addr)
 		goto fail_0;
 
-	if ((dma_addr = ioremap(dma_base, dma_size)) == NULL)
+	dma_addr = pci_ioremap_bar(dev, 1);
+	if (!dma_addr)
 		goto fail_1;
 
 	pci_set_master(dev);
diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index eb4faf92c57..c3107df7773 100644
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -784,7 +784,7 @@ static int __devinit siimage_init_one(struct pci_dev *dev,
 			printk(KERN_WARNING DRV_NAME " %s: MMIO ports not "
 				"available\n", pci_name(dev));
 		} else {
-			ioaddr = ioremap(bar5, barsize);
+			ioaddr = pci_ioremap_bar(dev, 5);
 			if (ioaddr == NULL)
 				release_mem_region(bar5, barsize);
 		}
-- 
GitLab


From 37897989232e6533772b0e24369b35ee9f56c8b6 Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 23 Oct 2008 23:22:07 +0200
Subject: [PATCH 2208/2224] ide: Add tx4939ide driver (v6)

This is the driver for the Toshiba TX4939 SoC ATA controller.

This controller has standard ATA taskfile registers and DMA
command/status registers, but the register layout is swapped on big
endian.  There are some other endian issue and some special registers
which requires many custom dma_ops/tp_ops routines and build_dmatable.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: ralf@linux-mips.org
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Kconfig     |   5 +
 drivers/ide/Makefile    |   2 +
 drivers/ide/tx4939ide.c | 754 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 761 insertions(+)
 create mode 100644 drivers/ide/tx4939ide.c

diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index a820ca6fc32..4e88c72cee4 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -720,6 +720,11 @@ config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
        default "128"
        depends on BLK_DEV_IDE_AU1XXX
 
+config BLK_DEV_IDE_TX4939
+	tristate "TX4939 internal IDE support"
+	depends on SOC_TX4939
+	select BLK_DEV_IDEDMA_SFF
+
 config IDE_ARM
 	tristate "ARM IDE support"
 	depends on ARM && (ARCH_CLPS7500 || ARCH_RPC || ARCH_SHARK)
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 9cf92ac939d..b1680dc1d04 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -111,3 +111,5 @@ obj-$(CONFIG_BLK_DEV_IDE_RAPIDE)	+= rapide.o
 obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710)	+= palm_bk3710.o
 
 obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)	+= au1xxx-ide.o
+
+obj-$(CONFIG_BLK_DEV_IDE_TX4939)	+= tx4939ide.o
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
new file mode 100644
index 00000000000..bafb7d1a22e
--- /dev/null
+++ b/drivers/ide/tx4939ide.c
@@ -0,0 +1,754 @@
+/*
+ * TX4939 internal IDE driver
+ * Based on RBTX49xx patch from CELF patch archive.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * (C) Copyright TOSHIBA CORPORATION 2005-2007
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/scatterlist.h>
+
+#define MODNAME	"tx4939ide"
+
+/* ATA Shadow Registers (8-bit except for Data which is 16-bit) */
+#define TX4939IDE_Data			0x000
+#define TX4939IDE_Error_Feature		0x001
+#define TX4939IDE_Sec			0x002
+#define TX4939IDE_LBA0			0x003
+#define TX4939IDE_LBA1			0x004
+#define TX4939IDE_LBA2			0x005
+#define TX4939IDE_DevHead		0x006
+#define TX4939IDE_Stat_Cmd		0x007
+#define TX4939IDE_AltStat_DevCtl	0x402
+/* H/W DMA Registers  */
+#define TX4939IDE_DMA_Cmd	0x800	/* 8-bit */
+#define TX4939IDE_DMA_Stat	0x802	/* 8-bit */
+#define TX4939IDE_PRD_Ptr	0x804	/* 32-bit */
+/* ATA100 CORE Registers (16-bit) */
+#define TX4939IDE_Sys_Ctl	0xc00
+#define TX4939IDE_Xfer_Cnt_1	0xc08
+#define TX4939IDE_Xfer_Cnt_2	0xc0a
+#define TX4939IDE_Sec_Cnt	0xc10
+#define TX4939IDE_Start_Lo_Addr	0xc18
+#define TX4939IDE_Start_Up_Addr	0xc20
+#define TX4939IDE_Add_Ctl	0xc28
+#define TX4939IDE_Lo_Burst_Cnt	0xc30
+#define TX4939IDE_Up_Burst_Cnt	0xc38
+#define TX4939IDE_PIO_Addr	0xc88
+#define TX4939IDE_H_Rst_Tim	0xc90
+#define TX4939IDE_Int_Ctl	0xc98
+#define TX4939IDE_Pkt_Cmd	0xcb8
+#define TX4939IDE_Bxfer_Cnt_Hi	0xcc0
+#define TX4939IDE_Bxfer_Cnt_Lo	0xcc8
+#define TX4939IDE_Dev_TErr	0xcd0
+#define TX4939IDE_Pkt_Xfer_Ctl	0xcd8
+#define TX4939IDE_Start_TAddr	0xce0
+
+/* bits for Int_Ctl */
+#define TX4939IDE_INT_ADDRERR	0x80
+#define TX4939IDE_INT_REACHMUL	0x40
+#define TX4939IDE_INT_DEVTIMING	0x20
+#define TX4939IDE_INT_UDMATERM	0x10
+#define TX4939IDE_INT_TIMER	0x08
+#define TX4939IDE_INT_BUSERR	0x04
+#define TX4939IDE_INT_XFEREND	0x02
+#define TX4939IDE_INT_HOST	0x01
+
+#define TX4939IDE_IGNORE_INTS	\
+	(TX4939IDE_INT_ADDRERR | TX4939IDE_INT_REACHMUL | \
+	 TX4939IDE_INT_DEVTIMING | TX4939IDE_INT_UDMATERM | \
+	 TX4939IDE_INT_TIMER | TX4939IDE_INT_XFEREND)
+
+#ifdef __BIG_ENDIAN
+#define tx4939ide_swizzlel(a)	((a) ^ 4)
+#define tx4939ide_swizzlew(a)	((a) ^ 6)
+#define tx4939ide_swizzleb(a)	((a) ^ 7)
+#else
+#define tx4939ide_swizzlel(a)	(a)
+#define tx4939ide_swizzlew(a)	(a)
+#define tx4939ide_swizzleb(a)	(a)
+#endif
+
+static u16 tx4939ide_readw(void __iomem *base, u32 reg)
+{
+	return __raw_readw(base + tx4939ide_swizzlew(reg));
+}
+static u8 tx4939ide_readb(void __iomem *base, u32 reg)
+{
+	return __raw_readb(base + tx4939ide_swizzleb(reg));
+}
+static void tx4939ide_writel(u32 val, void __iomem *base, u32 reg)
+{
+	__raw_writel(val, base + tx4939ide_swizzlel(reg));
+}
+static void tx4939ide_writew(u16 val, void __iomem *base, u32 reg)
+{
+	__raw_writew(val, base + tx4939ide_swizzlew(reg));
+}
+static void tx4939ide_writeb(u8 val, void __iomem *base, u32 reg)
+{
+	__raw_writeb(val, base + tx4939ide_swizzleb(reg));
+}
+
+#define TX4939IDE_BASE(hwif)	((void __iomem *)(hwif)->extra_base)
+
+static void tx4939ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	int is_slave = drive->dn;
+	u32 mask, val;
+	u8 safe = pio;
+	ide_drive_t *pair;
+
+	pair = ide_get_pair_dev(drive);
+	if (pair)
+		safe = min(safe, ide_get_best_pio_mode(pair, 255, 4));
+	/*
+	 * Update Command Transfer Mode for master/slave and Data
+	 * Transfer Mode for this drive.
+	 */
+	mask = is_slave ? 0x07f00000 : 0x000007f0;
+	val = ((safe << 8) | (pio << 4)) << (is_slave ? 16 : 0);
+	hwif->select_data = (hwif->select_data & ~mask) | val;
+	/* tx4939ide_tf_load_fixup() will set the Sys_Ctl register */
+}
+
+static void tx4939ide_set_dma_mode(ide_drive_t *drive, const u8 mode)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	u32 mask, val;
+
+	/* Update Data Transfer Mode for this drive. */
+	if (mode >= XFER_UDMA_0)
+		val = mode - XFER_UDMA_0 + 8;
+	else
+		val = mode - XFER_MW_DMA_0 + 5;
+	if (drive->dn) {
+		mask = 0x00f00000;
+		val <<= 20;
+	} else {
+		mask = 0x000000f0;
+		val <<= 4;
+	}
+	hwif->select_data = (hwif->select_data & ~mask) | val;
+	/* tx4939ide_tf_load_fixup() will set the Sys_Ctl register */
+}
+
+static u16 tx4939ide_check_error_ints(ide_hwif_t *hwif)
+{
+	void __iomem *base = TX4939IDE_BASE(hwif);
+	u16 ctl = tx4939ide_readw(base, TX4939IDE_Int_Ctl);
+
+	if (ctl & TX4939IDE_INT_BUSERR) {
+		/* reset FIFO */
+		u16 sysctl = tx4939ide_readw(base, TX4939IDE_Sys_Ctl);
+
+		tx4939ide_writew(sysctl | 0x4000, base, TX4939IDE_Sys_Ctl);
+		mmiowb();
+		/* wait 12GBUSCLK (typ. 60ns @ GBUS200MHz, max 270ns) */
+		ndelay(270);
+		tx4939ide_writew(sysctl, base, TX4939IDE_Sys_Ctl);
+	}
+	if (ctl & (TX4939IDE_INT_ADDRERR |
+		   TX4939IDE_INT_DEVTIMING | TX4939IDE_INT_BUSERR))
+		pr_err("%s: Error interrupt %#x (%s%s%s )\n",
+		       hwif->name, ctl,
+		       ctl & TX4939IDE_INT_ADDRERR ? " Address-Error" : "",
+		       ctl & TX4939IDE_INT_DEVTIMING ? " DEV-Timing" : "",
+		       ctl & TX4939IDE_INT_BUSERR ? " Bus-Error" : "");
+	return ctl;
+}
+
+static void tx4939ide_clear_irq(ide_drive_t *drive)
+{
+	ide_hwif_t *hwif;
+	void __iomem *base;
+	u16 ctl;
+
+	/*
+	 * tx4939ide_dma_test_irq() and tx4939ide_dma_end() do all job
+	 * for DMA case.
+	 */
+	if (drive->waiting_for_dma)
+		return;
+	hwif = drive->hwif;
+	base = TX4939IDE_BASE(hwif);
+	ctl = tx4939ide_check_error_ints(hwif);
+	tx4939ide_writew(ctl, base, TX4939IDE_Int_Ctl);
+}
+
+static u8 tx4939ide_cable_detect(ide_hwif_t *hwif)
+{
+	void __iomem *base = TX4939IDE_BASE(hwif);
+
+	return tx4939ide_readw(base, TX4939IDE_Sys_Ctl) & 0x2000 ?
+		ATA_CBL_PATA40 : ATA_CBL_PATA80;
+}
+
+#ifdef __BIG_ENDIAN
+static void tx4939ide_dma_host_set(ide_drive_t *drive, int on)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	u8 unit = drive->dn;
+	void __iomem *base = TX4939IDE_BASE(hwif);
+	u8 dma_stat = tx4939ide_readb(base, TX4939IDE_DMA_Stat);
+
+	if (on)
+		dma_stat |= (1 << (5 + unit));
+	else
+		dma_stat &= ~(1 << (5 + unit));
+
+	tx4939ide_writeb(dma_stat, base, TX4939IDE_DMA_Stat);
+}
+#else
+#define tx4939ide_dma_host_set	ide_dma_host_set
+#endif
+
+static u8 tx4939ide_clear_dma_status(void __iomem *base)
+{
+	u8 dma_stat;
+
+	/* read DMA status for INTR & ERROR flags */
+	dma_stat = tx4939ide_readb(base, TX4939IDE_DMA_Stat);
+	/* clear INTR & ERROR flags */
+	tx4939ide_writeb(dma_stat | ATA_DMA_INTR | ATA_DMA_ERR, base,
+			 TX4939IDE_DMA_Stat);
+	/* recover intmask cleared by writing to bit2 of DMA_Stat */
+	tx4939ide_writew(TX4939IDE_IGNORE_INTS << 8, base, TX4939IDE_Int_Ctl);
+	return dma_stat;
+}
+
+#ifdef __BIG_ENDIAN
+/* custom ide_build_dmatable to handle swapped layout */
+static int tx4939ide_build_dmatable(ide_drive_t *drive, struct request *rq)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	u32 *table = (u32 *)hwif->dmatable_cpu;
+	unsigned int count = 0;
+	int i;
+	struct scatterlist *sg;
+
+	hwif->sg_nents = ide_build_sglist(drive, rq);
+	if (hwif->sg_nents == 0)
+		return 0;
+
+	for_each_sg(hwif->sg_table, sg, hwif->sg_nents, i) {
+		u32 cur_addr, cur_len, bcount;
+
+		cur_addr = sg_dma_address(sg);
+		cur_len = sg_dma_len(sg);
+
+		/*
+		 * Fill in the DMA table, without crossing any 64kB boundaries.
+		 */
+
+		while (cur_len) {
+			if (count++ >= PRD_ENTRIES)
+				goto use_pio_instead;
+
+			bcount = 0x10000 - (cur_addr & 0xffff);
+			if (bcount > cur_len)
+				bcount = cur_len;
+			*table++ = bcount & 0xffff;
+			*table++ = cur_addr;
+			cur_addr += bcount;
+			cur_len -= bcount;
+		}
+	}
+
+	if (count) {
+		*(table - 2) |= 0x80000000;
+		return count;
+	}
+
+use_pio_instead:
+	printk(KERN_ERR "%s: %s\n", drive->name,
+		count ? "DMA table too small" : "empty DMA table?");
+
+	ide_destroy_dmatable(drive);
+
+	return 0; /* revert to PIO for this request */
+}
+#else
+#define tx4939ide_build_dmatable	ide_build_dmatable
+#endif
+
+static int tx4939ide_dma_setup(ide_drive_t *drive)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	void __iomem *base = TX4939IDE_BASE(hwif);
+	struct request *rq = hwif->hwgroup->rq;
+	u8 reading;
+	int nent;
+
+	if (rq_data_dir(rq))
+		reading = 0;
+	else
+		reading = ATA_DMA_WR;
+
+	/* fall back to PIO! */
+	nent = tx4939ide_build_dmatable(drive, rq);
+	if (!nent) {
+		ide_map_sg(drive, rq);
+		return 1;
+	}
+
+	/* PRD table */
+	tx4939ide_writel(hwif->dmatable_dma, base, TX4939IDE_PRD_Ptr);
+
+	/* specify r/w */
+	tx4939ide_writeb(reading, base, TX4939IDE_DMA_Cmd);
+
+	/* clear INTR & ERROR flags */
+	tx4939ide_clear_dma_status(base);
+
+	drive->waiting_for_dma = 1;
+
+	tx4939ide_writew(SECTOR_SIZE / 2, base, drive->dn ?
+			 TX4939IDE_Xfer_Cnt_2 : TX4939IDE_Xfer_Cnt_1);
+	tx4939ide_writew(rq->nr_sectors, base, TX4939IDE_Sec_Cnt);
+	return 0;
+}
+
+static int tx4939ide_dma_end(ide_drive_t *drive)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	u8 dma_stat, dma_cmd;
+	void __iomem *base = TX4939IDE_BASE(hwif);
+	u16 ctl = tx4939ide_readw(base, TX4939IDE_Int_Ctl);
+
+	drive->waiting_for_dma = 0;
+
+	/* get DMA command mode */
+	dma_cmd = tx4939ide_readb(base, TX4939IDE_DMA_Cmd);
+	/* stop DMA */
+	tx4939ide_writeb(dma_cmd & ~ATA_DMA_START, base, TX4939IDE_DMA_Cmd);
+
+	/* read and clear the INTR & ERROR bits */
+	dma_stat = tx4939ide_clear_dma_status(base);
+
+	/* purge DMA mappings */
+	ide_destroy_dmatable(drive);
+	/* verify good DMA status */
+	wmb();
+
+	if ((dma_stat & (ATA_DMA_INTR | ATA_DMA_ERR | ATA_DMA_ACTIVE)) == 0 &&
+	    (ctl & (TX4939IDE_INT_XFEREND | TX4939IDE_INT_HOST)) ==
+	    (TX4939IDE_INT_XFEREND | TX4939IDE_INT_HOST))
+		/* INT_IDE lost... bug? */
+		return 0;
+	return ((dma_stat & (ATA_DMA_INTR | ATA_DMA_ERR | ATA_DMA_ACTIVE)) !=
+		ATA_DMA_INTR) ? 0x10 | dma_stat : 0;
+}
+
+/* returns 1 if DMA IRQ issued, 0 otherwise */
+static int tx4939ide_dma_test_irq(ide_drive_t *drive)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	void __iomem *base = TX4939IDE_BASE(hwif);
+	u16 ctl, ide_int;
+	u8 dma_stat, stat;
+	int found = 0;
+
+	ctl = tx4939ide_check_error_ints(hwif);
+	ide_int = ctl & (TX4939IDE_INT_XFEREND | TX4939IDE_INT_HOST);
+	switch (ide_int) {
+	case TX4939IDE_INT_HOST:
+		/* On error, XFEREND might not be asserted. */
+		stat = tx4939ide_readb(base, TX4939IDE_AltStat_DevCtl);
+		if ((stat & (ATA_BUSY | ATA_DRQ | ATA_ERR)) == ATA_ERR)
+			found = 1;
+		else
+			/* Wait for XFEREND (Mask HOST and unmask XFEREND) */
+			ctl &= ~TX4939IDE_INT_XFEREND << 8;
+		ctl |= ide_int << 8;
+		break;
+	case TX4939IDE_INT_HOST | TX4939IDE_INT_XFEREND:
+		dma_stat = tx4939ide_readb(base, TX4939IDE_DMA_Stat);
+		if (!(dma_stat & ATA_DMA_INTR))
+			pr_warning("%s: weird interrupt status. "
+				   "DMA_Stat %#02x int_ctl %#04x\n",
+				   hwif->name, dma_stat, ctl);
+		found = 1;
+		break;
+	}
+	/*
+	 * Do not clear XFEREND, HOST now.  They will be cleared by
+	 * clearing bit2 of DMA_Stat.
+	 */
+	ctl &= ~ide_int;
+	tx4939ide_writew(ctl, base, TX4939IDE_Int_Ctl);
+	return found;
+}
+
+static void tx4939ide_init_hwif(ide_hwif_t *hwif)
+{
+	void __iomem *base = TX4939IDE_BASE(hwif);
+
+	/* Soft Reset */
+	tx4939ide_writew(0x8000, base, TX4939IDE_Sys_Ctl);
+	mmiowb();
+	/* at least 20 GBUSCLK (typ. 100ns @ GBUS200MHz, max 450ns) */
+	ndelay(450);
+	tx4939ide_writew(0x0000, base, TX4939IDE_Sys_Ctl);
+	/* mask some interrupts and clear all interrupts */
+	tx4939ide_writew((TX4939IDE_IGNORE_INTS << 8) | 0xff, base,
+			 TX4939IDE_Int_Ctl);
+
+	tx4939ide_writew(0x0008, base, TX4939IDE_Lo_Burst_Cnt);
+	tx4939ide_writew(0, base, TX4939IDE_Up_Burst_Cnt);
+}
+
+static int tx4939ide_init_dma(ide_hwif_t *hwif, const struct ide_port_info *d)
+{
+	hwif->dma_base =
+		hwif->extra_base + tx4939ide_swizzleb(TX4939IDE_DMA_Cmd);
+	/*
+	 * Note that we cannot use ATA_DMA_TABLE_OFS, ATA_DMA_STATUS
+	 * for big endian.
+	 */
+	return ide_allocate_dma_engine(hwif);
+}
+
+static void tx4939ide_tf_load_fixup(ide_drive_t *drive, ide_task_t *task)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	void __iomem *base = TX4939IDE_BASE(hwif);
+	u16 sysctl = hwif->select_data >> (drive->dn ? 16 : 0);
+
+	/*
+	 * Fix ATA100 CORE System Control Register. (The write to the
+	 * Device/Head register may write wrong data to the System
+	 * Control Register)
+	 * While Sys_Ctl is written here, selectproc is not needed.
+	 */
+	tx4939ide_writew(sysctl, base, TX4939IDE_Sys_Ctl);
+}
+
+#ifdef __BIG_ENDIAN
+
+static u8 tx4939ide_read_sff_dma_status(ide_hwif_t *hwif)
+{
+	void __iomem *base = TX4939IDE_BASE(hwif);
+
+	return tx4939ide_readb(base, TX4939IDE_DMA_Stat);
+}
+
+/* custom iops (independent from SWAP_IO_SPACE) */
+static u8 tx4939ide_inb(unsigned long port)
+{
+	return __raw_readb((void __iomem *)port);
+}
+
+static void tx4939ide_outb(u8 value, unsigned long port)
+{
+	__raw_writeb(value, (void __iomem *)port);
+}
+
+static void tx4939ide_tf_load(ide_drive_t *drive, ide_task_t *task)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	struct ide_io_ports *io_ports = &hwif->io_ports;
+	struct ide_taskfile *tf = &task->tf;
+	u8 HIHI = task->tf_flags & IDE_TFLAG_LBA48 ? 0xE0 : 0xEF;
+
+	if (task->tf_flags & IDE_TFLAG_FLAGGED)
+		HIHI = 0xFF;
+
+	if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
+		u16 data = (tf->hob_data << 8) | tf->data;
+
+		/* no endian swap */
+		__raw_writew(data, (void __iomem *)io_ports->data_addr);
+	}
+
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
+		tx4939ide_outb(tf->hob_feature, io_ports->feature_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
+		tx4939ide_outb(tf->hob_nsect, io_ports->nsect_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
+		tx4939ide_outb(tf->hob_lbal, io_ports->lbal_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
+		tx4939ide_outb(tf->hob_lbam, io_ports->lbam_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
+		tx4939ide_outb(tf->hob_lbah, io_ports->lbah_addr);
+
+	if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
+		tx4939ide_outb(tf->feature, io_ports->feature_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
+		tx4939ide_outb(tf->nsect, io_ports->nsect_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
+		tx4939ide_outb(tf->lbal, io_ports->lbal_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
+		tx4939ide_outb(tf->lbam, io_ports->lbam_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
+		tx4939ide_outb(tf->lbah, io_ports->lbah_addr);
+
+	if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) {
+		tx4939ide_outb((tf->device & HIHI) | drive->select,
+			       io_ports->device_addr);
+		tx4939ide_tf_load_fixup(drive, task);
+	}
+}
+
+static void tx4939ide_tf_read(ide_drive_t *drive, ide_task_t *task)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	struct ide_io_ports *io_ports = &hwif->io_ports;
+	struct ide_taskfile *tf = &task->tf;
+
+	if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+		u16 data;
+
+		/* no endian swap */
+		data = __raw_readw((void __iomem *)io_ports->data_addr);
+		tf->data = data & 0xff;
+		tf->hob_data = (data >> 8) & 0xff;
+	}
+
+	/* be sure we're looking at the low order bits */
+	tx4939ide_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
+
+	if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
+		tf->feature = tx4939ide_inb(io_ports->feature_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+		tf->nsect  = tx4939ide_inb(io_ports->nsect_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+		tf->lbal   = tx4939ide_inb(io_ports->lbal_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+		tf->lbam   = tx4939ide_inb(io_ports->lbam_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+		tf->lbah   = tx4939ide_inb(io_ports->lbah_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+		tf->device = tx4939ide_inb(io_ports->device_addr);
+
+	if (task->tf_flags & IDE_TFLAG_LBA48) {
+		tx4939ide_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
+
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+			tf->hob_feature =
+				tx4939ide_inb(io_ports->feature_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+			tf->hob_nsect   = tx4939ide_inb(io_ports->nsect_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+			tf->hob_lbal    = tx4939ide_inb(io_ports->lbal_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+			tf->hob_lbam    = tx4939ide_inb(io_ports->lbam_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+			tf->hob_lbah    = tx4939ide_inb(io_ports->lbah_addr);
+	}
+}
+
+static void tx4939ide_input_data_swap(ide_drive_t *drive, struct request *rq,
+				void *buf, unsigned int len)
+{
+	unsigned long port = drive->hwif->io_ports.data_addr;
+	unsigned short *ptr = buf;
+	unsigned int count = (len + 1) / 2;
+
+	while (count--)
+		*ptr++ = cpu_to_le16(__raw_readw((void __iomem *)port));
+	__ide_flush_dcache_range((unsigned long)buf, count * 2);
+}
+
+static void tx4939ide_output_data_swap(ide_drive_t *drive, struct request *rq,
+				void *buf, unsigned int len)
+{
+	unsigned long port = drive->hwif->io_ports.data_addr;
+	unsigned short *ptr = buf;
+	unsigned int count = (len + 1) / 2;
+
+	while (count--) {
+		__raw_writew(le16_to_cpu(*ptr), (void __iomem *)port);
+		ptr++;
+	}
+	__ide_flush_dcache_range((unsigned long)buf, count * 2);
+}
+
+static const struct ide_tp_ops tx4939ide_tp_ops = {
+	.exec_command		= ide_exec_command,
+	.read_status		= ide_read_status,
+	.read_altstatus		= ide_read_altstatus,
+	.read_sff_dma_status	= tx4939ide_read_sff_dma_status,
+
+	.set_irq		= ide_set_irq,
+
+	.tf_load		= tx4939ide_tf_load,
+	.tf_read		= tx4939ide_tf_read,
+
+	.input_data		= tx4939ide_input_data_swap,
+	.output_data		= tx4939ide_output_data_swap,
+};
+
+#else	/* __LITTLE_ENDIAN */
+
+static void tx4939ide_tf_load(ide_drive_t *drive, ide_task_t *task)
+{
+	ide_tf_load(drive, task);
+	if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
+		tx4939ide_tf_load_fixup(drive, task);
+}
+
+static const struct ide_tp_ops tx4939ide_tp_ops = {
+	.exec_command		= ide_exec_command,
+	.read_status		= ide_read_status,
+	.read_altstatus		= ide_read_altstatus,
+	.read_sff_dma_status	= ide_read_sff_dma_status,
+
+	.set_irq		= ide_set_irq,
+
+	.tf_load		= tx4939ide_tf_load,
+	.tf_read		= ide_tf_read,
+
+	.input_data		= ide_input_data,
+	.output_data		= ide_output_data,
+};
+
+#endif	/* __LITTLE_ENDIAN */
+
+static const struct ide_port_ops tx4939ide_port_ops = {
+	.set_pio_mode = tx4939ide_set_pio_mode,
+	.set_dma_mode = tx4939ide_set_dma_mode,
+	.clear_irq = tx4939ide_clear_irq,
+	.cable_detect = tx4939ide_cable_detect,
+};
+
+static const struct ide_dma_ops tx4939ide_dma_ops = {
+	.dma_host_set = tx4939ide_dma_host_set,
+	.dma_setup = tx4939ide_dma_setup,
+	.dma_exec_cmd = ide_dma_exec_cmd,
+	.dma_start = ide_dma_start,
+	.dma_end = tx4939ide_dma_end,
+	.dma_test_irq = tx4939ide_dma_test_irq,
+	.dma_lost_irq = ide_dma_lost_irq,
+	.dma_timeout = ide_dma_timeout,
+};
+
+static const struct ide_port_info tx4939ide_port_info __initdata = {
+	.init_hwif = tx4939ide_init_hwif,
+	.init_dma = tx4939ide_init_dma,
+	.port_ops = &tx4939ide_port_ops,
+	.dma_ops = &tx4939ide_dma_ops,
+	.tp_ops = &tx4939ide_tp_ops,
+	.host_flags = IDE_HFLAG_MMIO,
+	.pio_mask = ATA_PIO4,
+	.mwdma_mask = ATA_MWDMA2,
+	.udma_mask = ATA_UDMA5,
+};
+
+static int __init tx4939ide_probe(struct platform_device *pdev)
+{
+	hw_regs_t hw;
+	hw_regs_t *hws[] = { &hw, NULL, NULL, NULL };
+	struct ide_host *host;
+	struct resource *res;
+	int irq, ret;
+	unsigned long mapbase;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return -ENODEV;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	if (!devm_request_mem_region(&pdev->dev, res->start,
+				     res->end - res->start + 1, "tx4938ide"))
+		return -EBUSY;
+	mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,
+					      res->end - res->start + 1);
+	if (!mapbase)
+		return -EBUSY;
+	memset(&hw, 0, sizeof(hw));
+	hw.io_ports.data_addr =
+		mapbase + tx4939ide_swizzlew(TX4939IDE_Data);
+	hw.io_ports.error_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_Error_Feature);
+	hw.io_ports.nsect_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_Sec);
+	hw.io_ports.lbal_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_LBA0);
+	hw.io_ports.lbam_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_LBA1);
+	hw.io_ports.lbah_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_LBA2);
+	hw.io_ports.device_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_DevHead);
+	hw.io_ports.command_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_Stat_Cmd);
+	hw.io_ports.ctl_addr =
+		mapbase + tx4939ide_swizzleb(TX4939IDE_AltStat_DevCtl);
+	hw.irq = irq;
+	hw.dev = &pdev->dev;
+
+	pr_info("TX4939 IDE interface (base %#lx, irq %d)\n", mapbase, irq);
+	host = ide_host_alloc(&tx4939ide_port_info, hws);
+	if (!host)
+		return -ENOMEM;
+	/* use extra_base for base address of the all registers */
+	host->ports[0]->extra_base = mapbase;
+	ret = ide_host_register(host, &tx4939ide_port_info, hws);
+	if (ret) {
+		ide_host_free(host);
+		return ret;
+	}
+	platform_set_drvdata(pdev, host);
+	return 0;
+}
+
+static int __exit tx4939ide_remove(struct platform_device *pdev)
+{
+	struct ide_host *host = platform_get_drvdata(pdev);
+
+	ide_host_remove(host);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int tx4939ide_resume(struct platform_device *dev)
+{
+	struct ide_host *host = platform_get_drvdata(dev);
+	ide_hwif_t *hwif = host->ports[0];
+
+	tx4939ide_init_hwif(hwif);
+	return 0;
+}
+#else
+#define tx4939ide_resume	NULL
+#endif
+
+static struct platform_driver tx4939ide_driver = {
+	.driver = {
+		.name = MODNAME,
+		.owner = THIS_MODULE,
+	},
+	.remove = __exit_p(tx4939ide_remove),
+	.resume = tx4939ide_resume,
+};
+
+static int __init tx4939ide_init(void)
+{
+	return platform_driver_probe(&tx4939ide_driver, tx4939ide_probe);
+}
+
+static void __exit tx4939ide_exit(void)
+{
+	platform_driver_unregister(&tx4939ide_driver);
+}
+
+module_init(tx4939ide_init);
+module_exit(tx4939ide_exit);
+
+MODULE_DESCRIPTION("TX4939 internal IDE driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:tx4939ide");
-- 
GitLab


From 5d1d2f8c26f2d197df1f4b6a7f4c0088b190343e Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 23 Oct 2008 23:22:08 +0200
Subject: [PATCH 2209/2224] TXx9: Add TX4938 ATA support (v3)

Add a helper routine to register tx4938ide driver and use it on
RBTX4938 board.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 arch/mips/include/asm/txx9/tx4938.h   | 13 ++++++++
 arch/mips/txx9/generic/setup_tx4938.c | 47 +++++++++++++++++++++++++++
 arch/mips/txx9/rbtx4938/setup.c       |  1 +
 3 files changed, 61 insertions(+)

diff --git a/arch/mips/include/asm/txx9/tx4938.h b/arch/mips/include/asm/txx9/tx4938.h
index 989e7751135..0b068154054 100644
--- a/arch/mips/include/asm/txx9/tx4938.h
+++ b/arch/mips/include/asm/txx9/tx4938.h
@@ -292,4 +292,17 @@ void tx4938_setup_pcierr_irq(void);
 void tx4938_irq_init(void);
 void tx4938_mtd_init(int ch);
 
+struct tx4938ide_platform_info {
+	/*
+	 * I/O port shift, for platforms with ports that are
+	 * constantly spaced and need larger than the 1-byte
+	 * spacing used by ata_std_ports().
+	 */
+	unsigned int ioport_shift;
+	unsigned int gbus_clock;	/*  0 means no PIO mode tuning. */
+	unsigned int ebus_ch;
+};
+
+void tx4938_ata_init(unsigned int irq, unsigned int shift, int tune);
+
 #endif
diff --git a/arch/mips/txx9/generic/setup_tx4938.c b/arch/mips/txx9/generic/setup_tx4938.c
index af724e53ef9..25819ff1c35 100644
--- a/arch/mips/txx9/generic/setup_tx4938.c
+++ b/arch/mips/txx9/generic/setup_tx4938.c
@@ -16,6 +16,7 @@
 #include <linux/param.h>
 #include <linux/ptrace.h>
 #include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
 #include <asm/reboot.h>
 #include <asm/traps.h>
 #include <asm/txx9irq.h>
@@ -335,6 +336,52 @@ void __init tx4938_mtd_init(int ch)
 	txx9_physmap_flash_init(ch, start, size, &pdata);
 }
 
+void __init tx4938_ata_init(unsigned int irq, unsigned int shift, int tune)
+{
+	struct platform_device *pdev;
+	struct resource res[] = {
+		{
+			/* .start and .end are filled in later */
+			.flags = IORESOURCE_MEM,
+		}, {
+			.start = irq,
+			.flags = IORESOURCE_IRQ,
+		},
+	};
+	struct tx4938ide_platform_info pdata = {
+		.ioport_shift = shift,
+		/*
+		 * The IDE driver should not change bus timings if other ISA
+		 * devices existed.
+		 */
+		.gbus_clock = tune ? txx9_gbus_clock : 0,
+	};
+	u64 ebccr;
+	int i;
+
+	if ((__raw_readq(&tx4938_ccfgptr->pcfg) &
+	     (TX4938_PCFG_ATA_SEL | TX4938_PCFG_NDF_SEL))
+	    != TX4938_PCFG_ATA_SEL)
+		return;
+	for (i = 0; i < 8; i++) {
+		/* check EBCCRn.ISA, EBCCRn.BSZ, EBCCRn.ME */
+		ebccr = __raw_readq(&tx4938_ebuscptr->cr[i]);
+		if ((ebccr & 0x00f00008) == 0x00e00008)
+			break;
+	}
+	if (i == 8)
+		return;
+	pdata.ebus_ch = i;
+	res[0].start = ((ebccr >> 48) << 20) + 0x10000;
+	res[0].end = res[0].start + 0x20000 - 1;
+	pdev = platform_device_alloc("tx4938ide", -1);
+	if (!pdev ||
+	    platform_device_add_resources(pdev, res, ARRAY_SIZE(res)) ||
+	    platform_device_add_data(pdev, &pdata, sizeof(pdata)) ||
+	    platform_device_add(pdev))
+		platform_device_put(pdev);
+}
+
 static void __init tx4938_stop_unused_modules(void)
 {
 	__u64 pcfg, rst = 0, ckd = 0;
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index e077cc4d3a5..547ff2920bf 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -352,6 +352,7 @@ static void __init rbtx4938_device_init(void)
 	rbtx4938_ne_init();
 	tx4938_wdt_init();
 	rbtx4938_mtd_init();
+	tx4938_ata_init(RBTX4938_IRQ_IOC_ATA, 0, 1);
 	txx9_iocled_init(RBTX4938_LED_ADDR - IO_BASE, -1, 8, 1, "green", NULL);
 }
 
-- 
GitLab


From 28502848f52f12fcebbdec663103db2dd0740122 Mon Sep 17 00:00:00 2001
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 23 Oct 2008 23:22:08 +0200
Subject: [PATCH 2210/2224] ide: Add tx4938ide driver (v2)

This is the driver for the Toshiba TX4938 SoC EBUS controller ATA mode.
It has custom set_pio_mode and some hacks for big endian.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: ralf@linux-mips.org
Cc: sshtylyov@ru.mvista.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Kconfig     |   5 +
 drivers/ide/Makefile    |   1 +
 drivers/ide/tx4938ide.c | 310 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 316 insertions(+)
 create mode 100644 drivers/ide/tx4938ide.c

diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 4e88c72cee4..6d7401772a8 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -720,6 +720,11 @@ config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
        default "128"
        depends on BLK_DEV_IDE_AU1XXX
 
+config BLK_DEV_IDE_TX4938
+	tristate "TX4938 internal IDE support"
+	depends on SOC_TX4938
+	select IDE_TIMINGS
+
 config BLK_DEV_IDE_TX4939
 	tristate "TX4939 internal IDE support"
 	depends on SOC_TX4939
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index b1680dc1d04..3384e47c28e 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -112,4 +112,5 @@ obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710)	+= palm_bk3710.o
 
 obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)	+= au1xxx-ide.o
 
+obj-$(CONFIG_BLK_DEV_IDE_TX4938)	+= tx4938ide.o
 obj-$(CONFIG_BLK_DEV_IDE_TX4939)	+= tx4939ide.o
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
new file mode 100644
index 00000000000..fa660f931a1
--- /dev/null
+++ b/drivers/ide/tx4938ide.c
@@ -0,0 +1,310 @@
+/*
+ * TX4938 internal IDE driver
+ * Based on tx4939ide.c.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * (C) Copyright TOSHIBA CORPORATION 2005-2007
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <asm/txx9/tx4938.h>
+
+static void tx4938ide_tune_ebusc(unsigned int ebus_ch,
+				 unsigned int gbus_clock,
+				 u8 pio)
+{
+	struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
+	u64 cr = __raw_readq(&tx4938_ebuscptr->cr[ebus_ch]);
+	unsigned int sp = (cr >> 4) & 3;
+	unsigned int clock = gbus_clock / (4 - sp);
+	unsigned int cycle = 1000000000 / clock;
+	unsigned int wt, shwt;
+
+	/* Minimum DIOx- active time */
+	wt = DIV_ROUND_UP(t->act8b, cycle) - 2;
+	/* IORDY setup time: 35ns */
+	wt = max(wt, DIV_ROUND_UP(35, cycle));
+	/* actual wait-cycle is max(wt & ~1, 1) */
+	if (wt > 2 && (wt & 1))
+		wt++;
+	wt &= ~1;
+	/* Address-valid to DIOR/DIOW setup */
+	shwt = DIV_ROUND_UP(t->setup, cycle);
+
+	pr_debug("tx4938ide: ebus %d, bus cycle %dns, WT %d, SHWT %d\n",
+		 ebus_ch, cycle, wt, shwt);
+
+	__raw_writeq((cr & ~(0x3f007ull)) | (wt << 12) | shwt,
+		     &tx4938_ebuscptr->cr[ebus_ch]);
+}
+
+static void tx4938ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	struct tx4938ide_platform_info *pdata = hwif->dev->platform_data;
+	u8 safe = pio;
+	ide_drive_t *pair;
+
+	pair = ide_get_pair_dev(drive);
+	if (pair)
+		safe = min(safe, ide_get_best_pio_mode(pair, 255, 5));
+	tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, safe);
+}
+
+#ifdef __BIG_ENDIAN
+
+/* custom iops (independent from SWAP_IO_SPACE) */
+static u8 tx4938ide_inb(unsigned long port)
+{
+	return __raw_readb((void __iomem *)port);
+}
+
+static void tx4938ide_outb(u8 value, unsigned long port)
+{
+	__raw_writeb(value, (void __iomem *)port);
+}
+
+static void tx4938ide_tf_load(ide_drive_t *drive, ide_task_t *task)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	struct ide_io_ports *io_ports = &hwif->io_ports;
+	struct ide_taskfile *tf = &task->tf;
+	u8 HIHI = task->tf_flags & IDE_TFLAG_LBA48 ? 0xE0 : 0xEF;
+
+	if (task->tf_flags & IDE_TFLAG_FLAGGED)
+		HIHI = 0xFF;
+
+	if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
+		u16 data = (tf->hob_data << 8) | tf->data;
+
+		/* no endian swap */
+		__raw_writew(data, (void __iomem *)io_ports->data_addr);
+	}
+
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
+		tx4938ide_outb(tf->hob_feature, io_ports->feature_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
+		tx4938ide_outb(tf->hob_nsect, io_ports->nsect_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
+		tx4938ide_outb(tf->hob_lbal, io_ports->lbal_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
+		tx4938ide_outb(tf->hob_lbam, io_ports->lbam_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
+		tx4938ide_outb(tf->hob_lbah, io_ports->lbah_addr);
+
+	if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
+		tx4938ide_outb(tf->feature, io_ports->feature_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
+		tx4938ide_outb(tf->nsect, io_ports->nsect_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
+		tx4938ide_outb(tf->lbal, io_ports->lbal_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
+		tx4938ide_outb(tf->lbam, io_ports->lbam_addr);
+	if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
+		tx4938ide_outb(tf->lbah, io_ports->lbah_addr);
+
+	if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
+		tx4938ide_outb((tf->device & HIHI) | drive->select,
+			       io_ports->device_addr);
+}
+
+static void tx4938ide_tf_read(ide_drive_t *drive, ide_task_t *task)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	struct ide_io_ports *io_ports = &hwif->io_ports;
+	struct ide_taskfile *tf = &task->tf;
+
+	if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+		u16 data;
+
+		/* no endian swap */
+		data = __raw_readw((void __iomem *)io_ports->data_addr);
+		tf->data = data & 0xff;
+		tf->hob_data = (data >> 8) & 0xff;
+	}
+
+	/* be sure we're looking at the low order bits */
+	tx4938ide_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
+
+	if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
+		tf->feature = tx4938ide_inb(io_ports->feature_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_NSECT)
+		tf->nsect  = tx4938ide_inb(io_ports->nsect_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_LBAL)
+		tf->lbal   = tx4938ide_inb(io_ports->lbal_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_LBAM)
+		tf->lbam   = tx4938ide_inb(io_ports->lbam_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_LBAH)
+		tf->lbah   = tx4938ide_inb(io_ports->lbah_addr);
+	if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
+		tf->device = tx4938ide_inb(io_ports->device_addr);
+
+	if (task->tf_flags & IDE_TFLAG_LBA48) {
+		tx4938ide_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
+
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
+			tf->hob_feature =
+				tx4938ide_inb(io_ports->feature_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
+			tf->hob_nsect   = tx4938ide_inb(io_ports->nsect_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
+			tf->hob_lbal    = tx4938ide_inb(io_ports->lbal_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
+			tf->hob_lbam    = tx4938ide_inb(io_ports->lbam_addr);
+		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
+			tf->hob_lbah    = tx4938ide_inb(io_ports->lbah_addr);
+	}
+}
+
+static void tx4938ide_input_data_swap(ide_drive_t *drive, struct request *rq,
+				void *buf, unsigned int len)
+{
+	unsigned long port = drive->hwif->io_ports.data_addr;
+	unsigned short *ptr = buf;
+	unsigned int count = (len + 1) / 2;
+
+	while (count--)
+		*ptr++ = cpu_to_le16(__raw_readw((void __iomem *)port));
+	__ide_flush_dcache_range((unsigned long)buf, count * 2);
+}
+
+static void tx4938ide_output_data_swap(ide_drive_t *drive, struct request *rq,
+				void *buf, unsigned int len)
+{
+	unsigned long port = drive->hwif->io_ports.data_addr;
+	unsigned short *ptr = buf;
+	unsigned int count = (len + 1) / 2;
+
+	while (count--) {
+		__raw_writew(le16_to_cpu(*ptr), (void __iomem *)port);
+		ptr++;
+	}
+	__ide_flush_dcache_range((unsigned long)buf, count * 2);
+}
+
+static const struct ide_tp_ops tx4938ide_tp_ops = {
+	.exec_command		= ide_exec_command,
+	.read_status		= ide_read_status,
+	.read_altstatus		= ide_read_altstatus,
+	.read_sff_dma_status	= ide_read_sff_dma_status,
+
+	.set_irq		= ide_set_irq,
+
+	.tf_load		= tx4938ide_tf_load,
+	.tf_read		= tx4938ide_tf_read,
+
+	.input_data		= tx4938ide_input_data_swap,
+	.output_data		= tx4938ide_output_data_swap,
+};
+
+#endif	/* __BIG_ENDIAN */
+
+static const struct ide_port_ops tx4938ide_port_ops = {
+	.set_pio_mode = tx4938ide_set_pio_mode,
+};
+
+static const struct ide_port_info tx4938ide_port_info __initdata = {
+	.port_ops = &tx4938ide_port_ops,
+#ifdef __BIG_ENDIAN
+	.tp_ops = &tx4938ide_tp_ops,
+#endif
+	.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
+	.pio_mask = ATA_PIO5,
+};
+
+static int __init tx4938ide_probe(struct platform_device *pdev)
+{
+	hw_regs_t hw;
+	hw_regs_t *hws[] = { &hw, NULL, NULL, NULL };
+	struct ide_host *host;
+	struct resource *res;
+	struct tx4938ide_platform_info *pdata = pdev->dev.platform_data;
+	int irq, ret, i;
+	unsigned long mapbase;
+	struct ide_port_info d = tx4938ide_port_info;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return -ENODEV;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	if (!devm_request_mem_region(&pdev->dev, res->start,
+				     res->end - res->start + 1, "tx4938ide"))
+		return -EBUSY;
+	mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,
+					      res->end - res->start + 1);
+	if (!mapbase)
+		return -EBUSY;
+
+	memset(&hw, 0, sizeof(hw));
+	if (pdata->ioport_shift) {
+		unsigned long port = mapbase;
+
+		hw.io_ports_array[0] = port;
+#ifdef __BIG_ENDIAN
+		port++;
+#endif
+		for (i = 1; i <= 7; i++)
+			hw.io_ports_array[i] =
+				port + (i << pdata->ioport_shift);
+		hw.io_ports.ctl_addr =
+			port + 0x10000 + (6 << pdata->ioport_shift);
+	} else
+		ide_std_init_ports(&hw, mapbase, mapbase + 0x10006);
+	hw.irq = irq;
+	hw.dev = &pdev->dev;
+
+	pr_info("TX4938 IDE interface (base %#lx, irq %d)\n", mapbase, hw.irq);
+	if (pdata->gbus_clock)
+		tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, 0);
+	else
+		d.port_ops = NULL;
+	ret = ide_host_add(&d, hws, &host);
+	if (ret)
+		return ret;
+	platform_set_drvdata(pdev, host);
+	return 0;
+}
+
+static int __exit tx4938ide_remove(struct platform_device *pdev)
+{
+	struct ide_host *host = platform_get_drvdata(pdev);
+
+	ide_host_remove(host);
+	return 0;
+}
+
+static struct platform_driver tx4938ide_driver = {
+	.driver		= {
+		.name	= "tx4938ide",
+		.owner	= THIS_MODULE,
+	},
+	.remove = __exit_p(tx4938ide_remove),
+};
+
+static int __init tx4938ide_init(void)
+{
+	return platform_driver_probe(&tx4938ide_driver, tx4938ide_probe);
+}
+
+static void __exit tx4938ide_exit(void)
+{
+	platform_driver_unregister(&tx4938ide_driver);
+}
+
+module_init(tx4938ide_init);
+module_exit(tx4938ide_exit);
+
+MODULE_DESCRIPTION("TX4938 internal IDE driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:tx4938ide");
-- 
GitLab


From 64c2eae225137a8f5a88b6a416fc182d36e8ae9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1rton=20N=C3=A9meth?= <nm127@freemail.hu>
Date: Thu, 23 Oct 2008 23:22:09 +0200
Subject: [PATCH 2211/2224] ide-cd: add TEAC CD-224E to the NO_AUTOCLOSE list
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The "TEAC CD-ROM CD-224E" cannot close its tray, so add it to the NO_AUTOCLOSE
list. This will correct the "Can close tray" field of /proc/sys/dev/cdrom/info.

Signed-off-by: Márton Németh <nm127@freemail.hu>
Acked-by: Borislav Petkov <petkovbb@gmail.com>
[bart: minor fixups to patch description]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-cd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 133afd09843..48b5eda3ab4 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1966,6 +1966,7 @@ static const struct cd_list_entry ide_cd_quirks_list[] = {
 	{ "Optiarc DVD RW AD-5200A", NULL,   IDE_AFLAG_PLAY_AUDIO_OK	     },
 	{ "Optiarc DVD RW AD-7200A", NULL,   IDE_AFLAG_PLAY_AUDIO_OK	     },
 	{ "Optiarc DVD RW AD-7543A", NULL,   IDE_AFLAG_NO_AUTOCLOSE	     },
+	{ "TEAC CD-ROM CD-224E",     NULL,   IDE_AFLAG_NO_AUTOCLOSE	     },
 	{ NULL, NULL, 0 }
 };
 
-- 
GitLab


From c77380d4534c65cc9865a6b4efea44be4d039207 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Thu, 23 Oct 2008 23:22:09 +0200
Subject: [PATCH 2212/2224] ide-disk: set non-rotational queue flag for SSD and
 CF devices

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-disk.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 223750c1b5a..e5adebe8ac2 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -600,6 +600,7 @@ static int ide_disk_check(ide_drive_t *drive, const char *s)
 static void ide_disk_setup(ide_drive_t *drive)
 {
 	struct ide_disk_obj *idkp = drive->driver_data;
+	struct request_queue *q = drive->queue;
 	ide_hwif_t *hwif = drive->hwif;
 	u16 *id = drive->id;
 	char *m = (char *)&id[ATA_ID_PROD];
@@ -626,11 +627,14 @@ static void ide_disk_setup(ide_drive_t *drive)
 		if (max_s > hwif->rqsize)
 			max_s = hwif->rqsize;
 
-		blk_queue_max_sectors(drive->queue, max_s);
+		blk_queue_max_sectors(q, max_s);
 	}
 
 	printk(KERN_INFO "%s: max request size: %dKiB\n", drive->name,
-			 drive->queue->max_sectors / 2);
+		q->max_sectors / 2);
+
+	if (ata_id_is_ssd(id) || ata_id_is_cfa(id))
+		queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q);
 
 	/* calculate drive capacity, and select LBA if possible */
 	ide_disk_get_capacity(drive);
-- 
GitLab


From fa3fd7204e1a4e8538117f0edbfecd4132276860 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Thu, 23 Oct 2008 23:24:20 +0200
Subject: [PATCH 2213/2224] ide: drivers/ide/generic.c ->
 drivers/ide/ide-pci-generic.c

Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/Makefile                         | 1 -
 drivers/ide/{generic.c => ide-pci-generic.c} | 0
 2 files changed, 1 deletion(-)
 rename drivers/ide/{generic.c => ide-pci-generic.c} (100%)

diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 3384e47c28e..7818d402b18 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -68,7 +68,6 @@ obj-$(CONFIG_BLK_DEV_VIA82CXXX)		+= via82cxxx.o
 
 # Must appear at the end of the block
 obj-$(CONFIG_BLK_DEV_GENERIC)		+= ide-pci-generic.o
-ide-pci-generic-y			+= generic.o
 
 obj-$(CONFIG_IDEPCI_PCIBUS_ORDER)	+= ide-scan-pci.o
 
diff --git a/drivers/ide/generic.c b/drivers/ide/ide-pci-generic.c
similarity index 100%
rename from drivers/ide/generic.c
rename to drivers/ide/ide-pci-generic.c
-- 
GitLab


From 601a1b92ed3ce0025f7bec6fc591cceaef8d9d69 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 23 Oct 2008 22:35:19 +0100
Subject: [PATCH 2214/2224] leds/acpi: Fix merge fallout from acpi_driver_data
 change

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
---
 drivers/leds/leds-hp-disk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/leds-hp-disk.c b/drivers/leds/leds-hp-disk.c
index d636280198a..53a25b1c2da 100644
--- a/drivers/leds/leds-hp-disk.c
+++ b/drivers/leds/leds-hp-disk.c
@@ -98,7 +98,7 @@ static int hpled_add(struct acpi_device *device)
 	adev.device = device;
 	strcpy(acpi_device_name(device), DRIVER_NAME);
 	strcpy(acpi_device_class(device), ACPI_MDPS_CLASS);
-	acpi_driver_data(device) = &adev;
+	device->driver_data = &adev;
 
 	ret = led_classdev_register(NULL, &hpled_led);
 	return ret;
-- 
GitLab


From d2174c3c07adad88dd9ba37a731e0b00b746822a Mon Sep 17 00:00:00 2001
From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Fri, 17 Oct 2008 09:23:51 +0900
Subject: [PATCH 2215/2224] PCI hotplug: cpqphp: fix kernel NULL pointer
 dereference

The following patch fixes the regression in 2.6.27 that causes kernel
NULL pointer dereference at cpqphp driver probe time.  This patch should
be backported to the .27 stable series.

Seems to have been introduced by
f46753c5e354b857b20ab8e0fe7b2579831dc369.

The root cause of this problem seems that cpqphp driver calls
pci_hp_register() wrongly. In current implementation, cpqphp driver
passes 'ctrl->pci_dev->subordinate' as a second parameter for
pci_hp_register(). But because hotplug slots and it's hotplug controller
(exists as a pci funcion) are on the same bus, it should be
'ctrl->pci_dev->bus' instead.

Cc: <stable@kernel.org>
Tested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/cpqphp_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index 724d42c4adb..8514c3a1746 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -433,7 +433,7 @@ static int ctrl_slot_setup(struct controller *ctrl,
 				slot->number, ctrl->slot_device_offset,
 				slot_number);
 		result = pci_hp_register(hotplug_slot,
-					 ctrl->pci_dev->subordinate,
+					 ctrl->pci_dev->bus,
 					 slot->device,
 					 name);
 		if (result) {
-- 
GitLab


From 8113587c2d14d3be2414190845b2e2617c0aa33b Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Thu, 23 Oct 2008 13:15:39 +0800
Subject: [PATCH 2216/2224] PCI: fix ARI code to be compatible with mixed
 ARI/non-ARI systems

The original ARI support code has a compatibility problem with non-ARI
devices.  If a device doesn't support ARI, turning on ARI forwarding on
its upper level bridge will cause undefined behavior.

This fix turns on ARI forwarding only when the subordinate devices
support it.

Tested-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/pci.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 533aeb5fcbe..21f2ac639ca 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1309,27 +1309,32 @@ void pci_enable_ari(struct pci_dev *dev)
 	int pos;
 	u32 cap;
 	u16 ctrl;
+	struct pci_dev *bridge;
 
-	if (!dev->is_pcie)
+	if (!dev->is_pcie || dev->devfn)
 		return;
 
-	if (dev->pcie_type != PCI_EXP_TYPE_ROOT_PORT &&
-	    dev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI);
+	if (!pos)
 		return;
 
-	pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+	bridge = dev->bus->self;
+	if (!bridge || !bridge->is_pcie)
+		return;
+
+	pos = pci_find_capability(bridge, PCI_CAP_ID_EXP);
 	if (!pos)
 		return;
 
-	pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP2, &cap);
+	pci_read_config_dword(bridge, pos + PCI_EXP_DEVCAP2, &cap);
 	if (!(cap & PCI_EXP_DEVCAP2_ARI))
 		return;
 
-	pci_read_config_word(dev, pos + PCI_EXP_DEVCTL2, &ctrl);
+	pci_read_config_word(bridge, pos + PCI_EXP_DEVCTL2, &ctrl);
 	ctrl |= PCI_EXP_DEVCTL2_ARI;
-	pci_write_config_word(dev, pos + PCI_EXP_DEVCTL2, ctrl);
+	pci_write_config_word(bridge, pos + PCI_EXP_DEVCTL2, ctrl);
 
-	dev->ari_enabled = 1;
+	bridge->ari_enabled = 1;
 }
 
 int
-- 
GitLab


From 18b341b76cd99ce949806ccf5565900465ec2e7f Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Thu, 23 Oct 2008 11:47:32 +0900
Subject: [PATCH 2217/2224] PCI hotplug: pciehp: message refinement

This patch refines messages in pciehp module.  The main changes are as
follows:

 - remove the trailing "."
 - remove __func__ as much as possible
 - capitalize the first letter of messages
 - show PCI device address including its domain

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/pciehp.h      |  2 +-
 drivers/pci/hotplug/pciehp_core.c | 38 +++++++++---------
 drivers/pci/hotplug/pciehp_ctrl.c | 64 +++++++++++++++----------------
 drivers/pci/hotplug/pciehp_hpc.c  | 43 ++++++++-------------
 drivers/pci/hotplug/pciehp_pci.c  | 19 ++++-----
 5 files changed, 78 insertions(+), 88 deletions(-)

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index a4817a841fa..b2801a7ee37 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -188,7 +188,7 @@ static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
 			return slot;
 	}
 
-	ctrl_err(ctrl, "%s: slot (device=0x%x) not found\n", __func__, device);
+	ctrl_err(ctrl, "Slot (device=0x%02x) not found\n", device);
 	return NULL;
 }
 
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 62be1b59c74..4b23bc39b11 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -184,7 +184,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, hotplug_slot_name(hotplug_slot));
 
 	kfree(hotplug_slot->info);
@@ -216,9 +216,11 @@ static int init_slots(struct controller *ctrl)
 		slot->hotplug_slot = hotplug_slot;
 		snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
 
-		ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
-			 "slot_device_offset=%x\n", slot->bus, slot->device,
-			 slot->hp_slot, slot->number, ctrl->slot_device_offset);
+ 		ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x "
+ 			 "hp_slot=%x sun=%x slot_device_offset=%x\n",
+ 			 pci_domain_nr(ctrl->pci_dev->subordinate),
+ 			 slot->bus, slot->device, slot->hp_slot, slot->number,
+ 			 ctrl->slot_device_offset);
 		retval = pci_hp_register(hotplug_slot,
 					 ctrl->pci_dev->subordinate,
 					 slot->device,
@@ -238,7 +240,7 @@ static int init_slots(struct controller *ctrl)
 				&hotplug_slot_attr_lock.attr);
 			if (retval) {
 				pci_hp_deregister(hotplug_slot);
-				ctrl_err(ctrl, "cannot create additional sysfs "
+				ctrl_err(ctrl, "Cannot create additional sysfs "
 					 "entries\n");
 				goto error_info;
 			}
@@ -273,7 +275,7 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		  __func__, slot_name(slot));
 
 	hotplug_slot->info->attention_status = status;
@@ -289,7 +291,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	return pciehp_sysfs_enable_slot(slot);
@@ -300,7 +302,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		  __func__, slot_name(slot));
 
 	return pciehp_sysfs_disable_slot(slot);
@@ -311,7 +313,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		  __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_power_status(slot, value);
@@ -326,7 +328,7 @@ static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		  __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_attention_status(slot, value);
@@ -341,7 +343,7 @@ static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_latch_status(slot, value);
@@ -356,7 +358,7 @@ static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_adapter_status(slot, value);
@@ -372,7 +374,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_max_bus_speed(slot, value);
@@ -387,7 +389,7 @@ static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_spe
 	struct slot *slot = hotplug_slot->private;
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
@@ -414,7 +416,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 
 	ctrl = pcie_init(dev);
 	if (!ctrl) {
-		dev_err(&dev->device, "controller initialization failed\n");
+		dev_err(&dev->device, "Controller initialization failed\n");
 		goto err_out_none;
 	}
 	set_service_data(dev, ctrl);
@@ -423,10 +425,10 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 	rc = init_slots(ctrl);
 	if (rc) {
 		if (rc == -EBUSY)
-			ctrl_warn(ctrl, "slot already registered by another "
+			ctrl_warn(ctrl, "Slot already registered by another "
 				  "hotplug driver\n");
 		else
-			ctrl_err(ctrl, "slot initialization failed\n");
+			ctrl_err(ctrl, "Slot initialization failed\n");
 		goto err_out_release_ctlr;
 	}
 
@@ -523,7 +525,7 @@ static int __init pcied_init(void)
  	dbg("pcie_port_service_register = %d\n", retval);
   	info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
  	if (retval)
-		dbg("%s: Failure to register service\n", __func__);
+		dbg("Failure to register service\n");
 	return retval;
 }
 
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index d6c5eb29775..fead63c6b49 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -61,7 +61,7 @@ u8 pciehp_handle_attention_button(struct slot *p_slot)
 	struct controller *ctrl = p_slot->ctrl;
 
 	/* Attention Button Change */
-	ctrl_dbg(ctrl, "Attention button interrupt received.\n");
+	ctrl_dbg(ctrl, "Attention button interrupt received\n");
 
 	/*
 	 *  Button pressed - See if need to TAKE ACTION!!!
@@ -81,7 +81,7 @@ u8 pciehp_handle_switch_change(struct slot *p_slot)
 	struct controller *ctrl = p_slot->ctrl;
 
 	/* Switch Change */
-	ctrl_dbg(ctrl, "Switch interrupt received.\n");
+	ctrl_dbg(ctrl, "Switch interrupt received\n");
 
 	p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 	if (getstatus) {
@@ -110,7 +110,7 @@ u8 pciehp_handle_presence_change(struct slot *p_slot)
 	struct controller *ctrl = p_slot->ctrl;
 
 	/* Presence Change */
-	ctrl_dbg(ctrl, "Presence/Notify input change.\n");
+	ctrl_dbg(ctrl, "Presence/Notify input change\n");
 
 	/* Switch is open, assume a presence change
 	 * Save the presence state
@@ -142,7 +142,7 @@ u8 pciehp_handle_power_fault(struct slot *p_slot)
 	struct controller *ctrl = p_slot->ctrl;
 
 	/* power fault */
-	ctrl_dbg(ctrl, "Power fault interrupt received.\n");
+	ctrl_dbg(ctrl, "Power fault interrupt received\n");
 
 	if ( !(p_slot->hpc_ops->query_power_fault(p_slot))) {
 		/*
@@ -157,7 +157,7 @@ u8 pciehp_handle_power_fault(struct slot *p_slot)
 		 */
 		ctrl_info(ctrl, "Power fault on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_POWER_FAULT;
-		ctrl_info(ctrl, "power fault bit %x set\n", 0);
+		ctrl_info(ctrl, "Power fault bit %x set\n", 0);
 	}
 
 	queue_interrupt_event(p_slot, event_type);
@@ -175,8 +175,7 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
 	if (POWER_CTRL(ctrl)) {
 		if (pslot->hpc_ops->power_off_slot(pslot)) {
 			ctrl_err(ctrl,
-				 "%s: Issue of Slot Power Off command failed\n",
-				 __func__);
+				 "Issue of Slot Power Off command failed\n");
 			return;
 		}
 	}
@@ -193,8 +192,8 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
 
 	if (ATTN_LED(ctrl)) {
 		if (pslot->hpc_ops->set_attention_status(pslot, 1)) {
-			ctrl_err(ctrl, "%s: Issue of Set Attention "
-				 "Led command failed\n", __func__);
+			ctrl_err(ctrl,
+				 "Issue of Set Attention Led command failed\n");
 			return;
 		}
 	}
@@ -211,8 +210,9 @@ static int board_added(struct slot *p_slot)
 {
 	int retval = 0;
 	struct controller *ctrl = p_slot->ctrl;
+	struct pci_bus *parent = ctrl->pci_dev->subordinate;
 
-	ctrl_dbg(ctrl, "%s: slot device, slot offset, hp slot = %d, %d ,%d\n",
+	ctrl_dbg(ctrl, "%s: slot device, slot offset, hp slot = %d, %d, %d\n",
 		 __func__, p_slot->device, ctrl->slot_device_offset,
 		 p_slot->hp_slot);
 
@@ -229,22 +229,22 @@ static int board_added(struct slot *p_slot)
 	/* Check link training status */
 	retval = p_slot->hpc_ops->check_lnk_status(ctrl);
 	if (retval) {
-		ctrl_err(ctrl, "%s: Failed to check link status\n", __func__);
+		ctrl_err(ctrl, "Failed to check link status\n");
 		set_slot_off(ctrl, p_slot);
 		return retval;
 	}
 
 	/* Check for a power fault */
 	if (p_slot->hpc_ops->query_power_fault(p_slot)) {
-		ctrl_dbg(ctrl, "%s: power fault detected\n", __func__);
+		ctrl_dbg(ctrl, "Power fault detected\n");
 		retval = POWER_FAILURE;
 		goto err_exit;
 	}
 
 	retval = pciehp_configure_device(p_slot);
 	if (retval) {
-		ctrl_err(ctrl, "Cannot add device 0x%x:%x\n",
-			 p_slot->bus, p_slot->device);
+		ctrl_err(ctrl, "Cannot add device at %04x:%02x:%02x\n",
+			 pci_domain_nr(parent), p_slot->bus, p_slot->device);
 		goto err_exit;
 	}
 
@@ -276,14 +276,14 @@ static int remove_board(struct slot *p_slot)
 	if (retval)
 		return retval;
 
-	ctrl_dbg(ctrl, "In %s, hp_slot = %d\n", __func__, p_slot->hp_slot);
+	ctrl_dbg(ctrl, "%s: hp_slot = %d\n", __func__, p_slot->hp_slot);
 
 	if (POWER_CTRL(ctrl)) {
 		/* power off slot */
 		retval = p_slot->hpc_ops->power_off_slot(p_slot);
 		if (retval) {
-			ctrl_err(ctrl, "%s: Issue of Slot Disable command "
-				 "failed\n", __func__);
+			ctrl_err(ctrl,
+				 "Issue of Slot Disable command failed\n");
 			return retval;
 		}
 	}
@@ -324,8 +324,10 @@ static void pciehp_power_thread(struct work_struct *work)
 	switch (p_slot->state) {
 	case POWEROFF_STATE:
 		mutex_unlock(&p_slot->lock);
-		ctrl_dbg(p_slot->ctrl, "%s: disabling bus:device(%x:%x)\n",
-			 __func__, p_slot->bus, p_slot->device);
+		ctrl_dbg(p_slot->ctrl,
+			 "Disabling domain:bus:device=%04x:%02x:%02x\n",
+			 pci_domain_nr(p_slot->ctrl->pci_dev->subordinate),
+			 p_slot->bus, p_slot->device);
 		pciehp_disable_slot(p_slot);
 		mutex_lock(&p_slot->lock);
 		p_slot->state = STATIC_STATE;
@@ -433,7 +435,6 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * expires to cancel hot-add or hot-remove
 		 */
 		ctrl_info(ctrl, "Button cancel on Slot(%s)\n", slot_name(p_slot));
-		ctrl_dbg(ctrl, "%s: button cancel\n", __func__);
 		cancel_delayed_work(&p_slot->work);
 		if (p_slot->state == BLINKINGOFF_STATE) {
 			if (PWR_LED(ctrl))
@@ -537,16 +538,15 @@ int pciehp_enable_slot(struct slot *p_slot)
 
 	rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
-			  __func__, slot_name(p_slot));
+		ctrl_info(ctrl, "No adapter on slot(%s)\n", slot_name(p_slot));
 		mutex_unlock(&p_slot->ctrl->crit_sect);
 		return -ENODEV;
 	}
 	if (MRL_SENS(p_slot->ctrl)) {
 		rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 		if (rc || getstatus) {
-			ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
-				  __func__, slot_name(p_slot));
+			ctrl_info(ctrl, "Latch open on slot(%s)\n",
+				  slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -555,8 +555,8 @@ int pciehp_enable_slot(struct slot *p_slot)
 	if (POWER_CTRL(p_slot->ctrl)) {
 		rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (rc || getstatus) {
-			ctrl_info(ctrl, "%s: already enabled on slot(%s)\n",
-				  __func__, slot_name(p_slot));
+			ctrl_info(ctrl, "Already enabled on slot(%s)\n",
+				  slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -EINVAL;
 		}
@@ -591,8 +591,8 @@ int pciehp_disable_slot(struct slot *p_slot)
 	if (!HP_SUPR_RM(p_slot->ctrl)) {
 		ret = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 		if (ret || !getstatus) {
-			ctrl_info(ctrl, "%s: no adapter on slot(%s)\n",
-				  __func__, slot_name(p_slot));
+			ctrl_info(ctrl, "No adapter on slot(%s)\n",
+				  slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -601,8 +601,8 @@ int pciehp_disable_slot(struct slot *p_slot)
 	if (MRL_SENS(p_slot->ctrl)) {
 		ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 		if (ret || getstatus) {
-			ctrl_info(ctrl, "%s: latch open on slot(%s)\n",
-				  __func__, slot_name(p_slot));
+			ctrl_info(ctrl, "Latch open on slot(%s)\n",
+				  slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -ENODEV;
 		}
@@ -611,8 +611,8 @@ int pciehp_disable_slot(struct slot *p_slot)
 	if (POWER_CTRL(p_slot->ctrl)) {
 		ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (ret || !getstatus) {
-			ctrl_info(ctrl, "%s: already disabled slot(%s)\n",
-				  __func__, slot_name(p_slot));
+			ctrl_info(ctrl, "Already disabled on slot(%s)\n",
+				  slot_name(p_slot));
 			mutex_unlock(&p_slot->ctrl->crit_sect);
 			return -EINVAL;
 		}
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 58c72d2cc21..b643ca13e4f 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -316,22 +316,19 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
 			 * proceed forward to issue the next command according
 			 * to spec. Just print out the error message.
 			 */
-			ctrl_dbg(ctrl,
-				 "%s: CMD_COMPLETED not clear after 1 sec.\n",
-				 __func__);
+			ctrl_dbg(ctrl, "CMD_COMPLETED not clear after 1 sec\n");
 		} else if (!NO_CMD_CMPL(ctrl)) {
 			/*
 			 * This controller semms to notify of command completed
 			 * event even though it supports none of power
 			 * controller, attention led, power led and EMI.
 			 */
-			ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Need to "
-				 "wait for command completed event.\n",
-				 __func__);
+			ctrl_dbg(ctrl, "Unexpected CMD_COMPLETED. Need to "
+				 "wait for command completed event.\n");
 			ctrl->no_cmd_complete = 0;
 		} else {
-			ctrl_dbg(ctrl, "%s: Unexpected CMD_COMPLETED. Maybe "
-				 "the controller is broken.\n", __func__);
+			ctrl_dbg(ctrl, "Unexpected CMD_COMPLETED. Maybe "
+				 "the controller is broken.\n");
 		}
 	}
 
@@ -347,8 +344,7 @@ static int pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
 	smp_mb();
 	retval = pciehp_writew(ctrl, SLOTCTRL, slot_ctrl);
 	if (retval)
-		ctrl_err(ctrl, "%s: Cannot write to SLOTCTRL register\n",
-			 __func__);
+		ctrl_err(ctrl, "Cannot write to SLOTCTRL register\n");
 
 	/*
 	 * Wait for command completion.
@@ -418,15 +414,14 @@ static int hpc_check_lnk_status(struct controller *ctrl)
 
 	retval = pciehp_readw(ctrl, LNKSTATUS, &lnk_status);
 	if (retval) {
-		ctrl_err(ctrl, "%s: Cannot read LNKSTATUS register\n",
-			 __func__);
+		ctrl_err(ctrl, "Cannot read LNKSTATUS register\n");
 		return retval;
 	}
 
 	ctrl_dbg(ctrl, "%s: lnk_status = %x\n", __func__, lnk_status);
 	if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) ||
 		!(lnk_status & NEG_LINK_WD)) {
-		ctrl_err(ctrl, "%s : Link Training Error occurs \n", __func__);
+		ctrl_err(ctrl, "Link Training Error occurs \n");
 		retval = -1;
 		return retval;
 	}
@@ -551,7 +546,7 @@ static int hpc_query_power_fault(struct slot *slot)
 
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		ctrl_err(ctrl, "%s: Cannot check for power fault\n", __func__);
+		ctrl_err(ctrl, "Cannot check for power fault\n");
 		return retval;
 	}
 	pwr_fault = (u8)((slot_status & PWR_FAULT_DETECTED) >> 1);
@@ -567,7 +562,7 @@ static int hpc_get_emi_status(struct slot *slot, u8 *status)
 
 	retval = pciehp_readw(ctrl, SLOTSTATUS, &slot_status);
 	if (retval) {
-		ctrl_err(ctrl, "%s : Cannot check EMI status\n", __func__);
+		ctrl_err(ctrl, "Cannot check EMI status\n");
 		return retval;
 	}
 	*status = (slot_status & EMI_STATE) >> EMI_STATUS_BIT;
@@ -697,8 +692,7 @@ static int hpc_power_on_slot(struct slot * slot)
 	retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
 
 	if (retval) {
-		ctrl_err(ctrl, "%s: Write %x command failed!\n",
-			 __func__, slot_cmd);
+		ctrl_err(ctrl, "Write %x command failed!\n", slot_cmd);
 		return -1;
 	}
 	ctrl_dbg(ctrl, "%s: SLOTCTRL %x write cmd %x\n",
@@ -776,7 +770,7 @@ static int hpc_power_off_slot(struct slot * slot)
 
 	retval = pcie_write_cmd(ctrl, slot_cmd, cmd_mask);
 	if (retval) {
-		ctrl_err(ctrl, "%s: Write command failed!\n", __func__);
+		ctrl_err(ctrl, "Write command failed!\n");
 		retval = -1;
 		goto out;
 	}
@@ -1056,8 +1050,7 @@ int pcie_enable_notification(struct controller *ctrl)
 	       PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
 
 	if (pcie_write_cmd(ctrl, cmd, mask)) {
-		ctrl_err(ctrl, "%s: Cannot enable software notification\n",
-			 __func__);
+		ctrl_err(ctrl, "Cannot enable software notification\n");
 		return -1;
 	}
 	return 0;
@@ -1069,8 +1062,7 @@ static void pcie_disable_notification(struct controller *ctrl)
 	mask = PRSN_DETECT_ENABLE | ATTN_BUTTN_ENABLE | MRL_DETECT_ENABLE |
 	       PWR_FAULT_DETECT_ENABLE | HP_INTR_ENABLE | CMD_CMPL_INTR_ENABLE;
 	if (pcie_write_cmd(ctrl, 0, mask))
-		ctrl_warn(ctrl, "%s: Cannot disable software notification\n",
-			  __func__);
+		ctrl_warn(ctrl, "Cannot disable software notification\n");
 }
 
 static int pcie_init_notification(struct controller *ctrl)
@@ -1179,7 +1171,7 @@ struct controller *pcie_init(struct pcie_device *dev)
 
 	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
 	if (!ctrl) {
-		dev_err(&dev->device, "%s : out of memory\n", __func__);
+		dev_err(&dev->device, "%s: Out of memory\n", __func__);
 		goto abort;
 	}
 	INIT_LIST_HEAD(&ctrl->slot_list);
@@ -1188,12 +1180,11 @@ struct controller *pcie_init(struct pcie_device *dev)
 	ctrl->pci_dev = pdev;
 	ctrl->cap_base = pci_find_capability(pdev, PCI_CAP_ID_EXP);
 	if (!ctrl->cap_base) {
-		ctrl_err(ctrl, "%s: Cannot find PCI Express capability\n",
-			 __func__);
+		ctrl_err(ctrl, "Cannot find PCI Express capability\n");
 		goto abort_ctrl;
 	}
 	if (pciehp_readl(ctrl, SLOTCAP, &slot_cap)) {
-		ctrl_err(ctrl, "%s: Cannot read SLOTCAP register\n", __func__);
+		ctrl_err(ctrl, "Cannot read SLOTCAP register\n");
 		goto abort_ctrl;
 	}
 
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index ffd11148fbe..10f9566ccee 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -39,8 +39,7 @@ static void program_hpp_type0(struct pci_dev *dev, struct hpp_type0 *hpp)
 	u16 pci_cmd, pci_bctl;
 
 	if (hpp->revision > 1) {
-		printk(KERN_WARNING "%s: Rev.%d type0 record not supported\n",
-		       __func__, hpp->revision);
+		warn("Rev.%d type0 record not supported\n", hpp->revision);
 		return;
 	}
 
@@ -81,8 +80,7 @@ static void program_hpp_type2(struct pci_dev *dev, struct hpp_type2 *hpp)
 	u32 reg32;
 
 	if (hpp->revision > 1) {
-		printk(KERN_WARNING "%s: Rev.%d type2 record not supported\n",
-		       __func__, hpp->revision);
+		warn("Rev.%d type2 record not supported\n", hpp->revision);
 		return;
 	}
 
@@ -149,8 +147,7 @@ static void program_fw_provided_values(struct pci_dev *dev)
 		return;
 
 	if (pciehp_get_hp_params_from_firmware(dev, &hpp)) {
-		printk(KERN_WARNING "%s: Could not get hotplug parameters\n",
-		       __func__);
+		warn("Could not get hotplug parameters\n");
 		return;
 	}
 
@@ -202,9 +199,9 @@ int pciehp_configure_device(struct slot *p_slot)
 
 	dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
 	if (dev) {
-		ctrl_err(ctrl,
-			 "Device %s already exists at %x:%x, cannot hot-add\n",
-			 pci_name(dev), p_slot->bus, p_slot->device);
+		ctrl_err(ctrl, "Device %s already exists "
+			 "at %04x:%02x:%02x, cannot hot-add\n", pci_name(dev),
+			 pci_domain_nr(parent), p_slot->bus, p_slot->device);
 		pci_dev_put(dev);
 		return -EINVAL;
 	}
@@ -248,8 +245,8 @@ int pciehp_unconfigure_device(struct slot *p_slot)
 	u16 command;
 	struct controller *ctrl = p_slot->ctrl;
 
-	ctrl_dbg(ctrl, "%s: bus/dev = %x/%x\n", __func__,
-		 p_slot->bus, p_slot->device);
+	ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:%02x\n",
+		 __func__, pci_domain_nr(parent), p_slot->bus, p_slot->device);
 	ret = p_slot->hpc_ops->get_adapter_status(p_slot, &presence);
 	if (ret)
 		presence = 0;
-- 
GitLab


From 388c8c16abafc2e74dff173b5de9ee519ea8d32f Mon Sep 17 00:00:00 2001
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Sun, 3 Aug 2008 13:02:12 -0500
Subject: [PATCH 2218/2224] PCI: add routines for debugging and handling lost
 interrupts

We're getting a lot of storage drivers blamed for interrupt misrouting
issues.  This patch provides a standard way of reporting the problem
... and, if possible, correcting it.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/Makefile |  3 ++-
 drivers/pci/irq.c    | 60 ++++++++++++++++++++++++++++++++++++++++++++
 include/linux/pci.h  |  7 ++++++
 3 files changed, 69 insertions(+), 1 deletion(-)
 create mode 100644 drivers/pci/irq.c

diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 4b47f4ece5b..af3bfe22847 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -3,7 +3,8 @@
 #
 
 obj-y		+= access.o bus.o probe.o remove.o pci.o quirks.o slot.o \
-			pci-driver.o search.o pci-sysfs.o rom.o setup-res.o
+			pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
+			irq.o
 obj-$(CONFIG_PROC_FS) += proc.o
 
 # Build PCI Express stuff if needed
diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c
new file mode 100644
index 00000000000..6441dfa969a
--- /dev/null
+++ b/drivers/pci/irq.c
@@ -0,0 +1,60 @@
+/*
+ * PCI IRQ failure handing code
+ *
+ * Copyright (c) 2008 James Bottomley <James.Bottomley@HansenPartnership.com>
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+
+static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
+{
+	struct pci_dev *parent = to_pci_dev(pdev->dev.parent);
+
+	dev_printk(KERN_ERR, &pdev->dev,
+		   "Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
+		   parent->dev.bus_id, parent->vendor, parent->device);
+	dev_printk(KERN_ERR, &pdev->dev, "%s\n", reason);
+	dev_printk(KERN_ERR, &pdev->dev, "Please report to linux-kernel@vger.kernel.org\n");
+	WARN_ON(1);
+}
+
+/**
+ * pci_lost_interrupt - reports a lost PCI interrupt
+ * @pdev:	device whose interrupt is lost
+ * 
+ * The primary function of this routine is to report a lost interrupt
+ * in a standard way which users can recognise (instead of blaming the
+ * driver).
+ *
+ * Returns:
+ *  a suggestion for fixing it (although the driver is not required to
+ * act on this).
+ */
+enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *pdev)
+{
+	if (pdev->msi_enabled || pdev->msix_enabled) {
+		enum pci_lost_interrupt_reason ret;
+
+		if (pdev->msix_enabled) {
+			pci_note_irq_problem(pdev, "MSIX routing failure");
+			ret = PCI_LOST_IRQ_DISABLE_MSIX;
+		} else {
+			pci_note_irq_problem(pdev, "MSI routing failure");
+			ret = PCI_LOST_IRQ_DISABLE_MSI;
+		}
+		return ret;
+	}
+#ifdef CONFIG_ACPI
+	if (!(acpi_disabled || acpi_noirq)) {
+		pci_note_irq_problem(pdev, "Potential ACPI misrouting please reboot with acpi=noirq");
+		/* currently no way to fix acpi on the fly */
+		return PCI_LOST_IRQ_DISABLE_ACPI;
+	}
+#endif
+	pci_note_irq_problem(pdev, "unknown cause (not MSI or ACPI)");
+	return PCI_LOST_IRQ_NO_INFORMATION;
+}
+EXPORT_SYMBOL(pci_lost_interrupt);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 752def8a2ef..c75b82bda32 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -546,6 +546,13 @@ struct pci_dev __deprecated *pci_find_slot(unsigned int bus,
 					   unsigned int devfn);
 #endif /* CONFIG_PCI_LEGACY */
 
+enum pci_lost_interrupt_reason {
+	PCI_LOST_IRQ_NO_INFORMATION = 0,
+	PCI_LOST_IRQ_DISABLE_MSI,
+	PCI_LOST_IRQ_DISABLE_MSIX,
+	PCI_LOST_IRQ_DISABLE_ACPI,
+};
+enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *dev);
 int pci_find_capability(struct pci_dev *dev, int cap);
 int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);
 int pci_find_ext_capability(struct pci_dev *dev, int cap);
-- 
GitLab


From 2fca5ccf97d2c28bcfce44f5b07d85e74e3cd18e Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Wed, 22 Oct 2008 09:34:49 +0200
Subject: [PATCH 2219/2224] libata: switch to using block layer tagging support

libata currently has a pretty dumb ATA_MAX_QUEUE loop for finding
a free tag to use. Instead of fixing that up, convert libata to
using block layer tagging - gets rid of code in libata, and is also
much faster.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/ata/libata-core.c | 66 ++++-----------------------------------
 drivers/ata/libata-scsi.c | 10 ++++--
 drivers/ata/libata.h      | 19 +++++++++--
 include/linux/libata.h    |  1 -
 4 files changed, 31 insertions(+), 65 deletions(-)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index bbb3cae5749..8cb0b360bfd 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1713,8 +1713,6 @@ unsigned ata_exec_internal_sg(struct ata_device *dev,
 	else
 		tag = 0;
 
-	if (test_and_set_bit(tag, &ap->qc_allocated))
-		BUG();
 	qc = __ata_qc_from_tag(ap, tag);
 
 	qc->tag = tag;
@@ -4552,37 +4550,6 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words)
 #endif /* __BIG_ENDIAN */
 }
 
-/**
- *	ata_qc_new - Request an available ATA command, for queueing
- *	@ap: Port associated with device @dev
- *	@dev: Device from whom we request an available command structure
- *
- *	LOCKING:
- *	None.
- */
-
-static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
-{
-	struct ata_queued_cmd *qc = NULL;
-	unsigned int i;
-
-	/* no command while frozen */
-	if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
-		return NULL;
-
-	/* the last tag is reserved for internal command. */
-	for (i = 0; i < ATA_MAX_QUEUE - 1; i++)
-		if (!test_and_set_bit(i, &ap->qc_allocated)) {
-			qc = __ata_qc_from_tag(ap, i);
-			break;
-		}
-
-	if (qc)
-		qc->tag = i;
-
-	return qc;
-}
-
 /**
  *	ata_qc_new_init - Request an available ATA command, and initialize it
  *	@dev: Device from whom we request an available command structure
@@ -4591,16 +4558,20 @@ static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
  *	None.
  */
 
-struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev)
+struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag)
 {
 	struct ata_port *ap = dev->link->ap;
 	struct ata_queued_cmd *qc;
 
-	qc = ata_qc_new(ap);
+	if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
+		return NULL;
+
+	qc = __ata_qc_from_tag(ap, tag);
 	if (qc) {
 		qc->scsicmd = NULL;
 		qc->ap = ap;
 		qc->dev = dev;
+		qc->tag = tag;
 
 		ata_qc_reinit(qc);
 	}
@@ -4608,31 +4579,6 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev)
 	return qc;
 }
 
-/**
- *	ata_qc_free - free unused ata_queued_cmd
- *	@qc: Command to complete
- *
- *	Designed to free unused ata_queued_cmd object
- *	in case something prevents using it.
- *
- *	LOCKING:
- *	spin_lock_irqsave(host lock)
- */
-void ata_qc_free(struct ata_queued_cmd *qc)
-{
-	struct ata_port *ap = qc->ap;
-	unsigned int tag;
-
-	WARN_ON(qc == NULL);	/* ata_qc_from_tag _might_ return NULL */
-
-	qc->flags = 0;
-	tag = qc->tag;
-	if (likely(ata_tag_valid(tag))) {
-		qc->tag = ATA_TAG_POISON;
-		clear_bit(tag, &ap->qc_allocated);
-	}
-}
-
 void __ata_qc_complete(struct ata_queued_cmd *qc)
 {
 	struct ata_port *ap = qc->ap;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 5d312dc9be9..d5b9b7266c8 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -708,7 +708,7 @@ static struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev,
 {
 	struct ata_queued_cmd *qc;
 
-	qc = ata_qc_new_init(dev);
+	qc = ata_qc_new_init(dev, cmd->request->tag);
 	if (qc) {
 		qc->scsicmd = cmd;
 		qc->scsidone = done;
@@ -1103,7 +1103,8 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
 
 		depth = min(sdev->host->can_queue, ata_id_queue_depth(dev->id));
 		depth = min(ATA_MAX_QUEUE - 1, depth);
-		scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, depth);
+		scsi_set_tag_type(sdev, MSG_SIMPLE_TAG);
+		scsi_activate_tcq(sdev, depth);
 	}
 
 	return 0;
@@ -1943,6 +1944,11 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
 		hdr[1] |= (1 << 7);
 
 	memcpy(rbuf, hdr, sizeof(hdr));
+
+	/* if ncq, set tags supported */
+	if (ata_id_has_ncq(args->id))
+		rbuf[7] |= (1 << 1);
+
 	memcpy(&rbuf[8], "ATA     ", 8);
 	ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16);
 	ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index fe2839e5877..d3831d39bda 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -74,7 +74,7 @@ extern struct ata_link *ata_dev_phys_link(struct ata_device *dev);
 extern void ata_force_cbl(struct ata_port *ap);
 extern u64 ata_tf_to_lba(const struct ata_taskfile *tf);
 extern u64 ata_tf_to_lba48(const struct ata_taskfile *tf);
-extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
+extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag);
 extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
 			   u64 block, u32 n_block, unsigned int tf_flags,
 			   unsigned int tag);
@@ -103,7 +103,6 @@ extern int ata_dev_configure(struct ata_device *dev);
 extern int sata_down_spd_limit(struct ata_link *link);
 extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel);
 extern void ata_sg_clean(struct ata_queued_cmd *qc);
-extern void ata_qc_free(struct ata_queued_cmd *qc);
 extern void ata_qc_issue(struct ata_queued_cmd *qc);
 extern void __ata_qc_complete(struct ata_queued_cmd *qc);
 extern int atapi_check_dma(struct ata_queued_cmd *qc);
@@ -119,6 +118,22 @@ extern struct ata_port *ata_port_alloc(struct ata_host *host);
 extern void ata_dev_enable_pm(struct ata_device *dev, enum link_pm policy);
 extern void ata_lpm_schedule(struct ata_port *ap, enum link_pm);
 
+/**
+ *	ata_qc_free - free unused ata_queued_cmd
+ *	@qc: Command to complete
+ *
+ *	Designed to free unused ata_queued_cmd object
+ *	in case something prevents using it.
+ *
+ *	LOCKING:
+ *	spin_lock_irqsave(host lock)
+ */
+static inline void ata_qc_free(struct ata_queued_cmd *qc)
+{
+	qc->flags = 0;
+	qc->tag = ATA_TAG_POISON;
+}
+
 /* libata-acpi.c */
 #ifdef CONFIG_ATA_ACPI
 extern void ata_acpi_associate_sata_port(struct ata_port *ap);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index c261aa0584b..507f53ef803 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -695,7 +695,6 @@ struct ata_port {
 	unsigned int		cbl;	/* cable type; ATA_CBL_xxx */
 
 	struct ata_queued_cmd	qcmd[ATA_MAX_QUEUE];
-	unsigned long		qc_allocated;
 	unsigned int		qc_active;
 	int			nr_active_links; /* #links with active qcs */
 
-- 
GitLab


From f98ca311f3a32e2adc229fecd6bf732db07fcca3 Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Thu, 23 Oct 2008 11:52:12 +0900
Subject: [PATCH 2220/2224] PCI hotplug: shpchp: replace printk with dev_printk

This patch replaces printks within shpchp module with dev_printks.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/shpchp.h      |  23 ++++-
 drivers/pci/hotplug/shpchp_core.c |  46 +++++----
 drivers/pci/hotplug/shpchp_ctrl.c | 162 +++++++++++++++++-------------
 drivers/pci/hotplug/shpchp_hpc.c  | 120 +++++++++++-----------
 drivers/pci/hotplug/shpchp_pci.c  |  32 +++---
 5 files changed, 224 insertions(+), 159 deletions(-)

diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 4d9fed00e1d..0d48d38cbf4 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -59,6 +59,20 @@ extern struct workqueue_struct *shpchp_wq;
 #define warn(format, arg...)						\
 	printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
 
+#define ctrl_dbg(ctrl, format, arg...)					\
+	do {								\
+		if (shpchp_debug)					\
+			dev_printk(, &ctrl->pci_dev->dev,		\
+					format, ## arg);		\
+	} while (0)
+#define ctrl_err(ctrl, format, arg...)					\
+	dev_err(&ctrl->pci_dev->dev, format, ## arg)
+#define ctrl_info(ctrl, format, arg...)					\
+	dev_info(&ctrl->pci_dev->dev, format, ## arg)
+#define ctrl_warn(ctrl, format, arg...)					\
+	dev_warn(&ctrl->pci_dev->dev, format, ## arg)
+
+
 #define SLOT_NAME_SIZE 10
 struct slot {
 	u8 bus;
@@ -239,7 +253,7 @@ static inline struct slot *shpchp_find_slot(struct controller *ctrl, u8 device)
 			return slot;
 	}
 
-	err("%s: slot (device=0x%x) not found\n", __func__, device);
+	ctrl_err(ctrl, "%s: slot (device=0x%x) not found\n", __func__, device);
 	return NULL;
 }
 
@@ -273,7 +287,9 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot)
 	pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MISC_BRIDGE_ERRORS_OFFSET, &pcix_bridge_errors_reg);
 	perr_set = pcix_bridge_errors_reg & PERR_OBSERVED_MASK;
 	if (perr_set) {
-		dbg ("%s  W1C: Bridge_Errors[ PERR_OBSERVED = %08X]\n",__func__ , perr_set);
+		ctrl_dbg(p_slot->ctrl,
+			 "%s  W1C: Bridge_Errors[ PERR_OBSERVED = %08X]\n",
+			 __func__ , perr_set);
 
 		pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MISC_BRIDGE_ERRORS_OFFSET, perr_set);
 	}
@@ -282,7 +298,8 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot)
 	pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, &pcix_mem_base_reg);
 	rse_set = pcix_mem_base_reg & RSE_MASK;
 	if (rse_set) {
-		dbg ("%s  W1C: Memory_Base_Limit[ RSE ]\n",__func__ );
+		ctrl_dbg(p_slot->ctrl, "%s  W1C: Memory_Base_Limit[ RSE ]\n",
+			 __func__);
 
 		pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, rse_set);
 	}
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 7af9191df4d..214633bf4ab 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -89,7 +89,8 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	kfree(slot->hotplug_slot->info);
 	kfree(slot->hotplug_slot);
@@ -135,13 +136,14 @@ static int init_slots(struct controller *ctrl)
 		snprintf(name, SLOT_NAME_SIZE, "%d", slot->number);
 		hotplug_slot->ops = &shpchp_hotplug_slot_ops;
 
-		dbg("Registering bus=%x dev=%x hp_slot=%x sun=%x "
-		    "slot_device_offset=%x\n", slot->bus, slot->device,
-		    slot->hp_slot, slot->number, ctrl->slot_device_offset);
+		ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
+			 "slot_device_offset=%x\n", slot->bus, slot->device,
+			 slot->hp_slot, slot->number, ctrl->slot_device_offset);
 		retval = pci_hp_register(slot->hotplug_slot,
 				ctrl->pci_dev->subordinate, slot->device, name);
 		if (retval) {
-			err("pci_hp_register failed with error %d\n", retval);
+			ctrl_err(ctrl, "pci_hp_register failed with error %d\n",
+				 retval);
 			goto error_info;
 		}
 
@@ -187,7 +189,8 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	hotplug_slot->info->attention_status = status;
 	slot->hpc_ops->set_attention_status(slot, status);
@@ -199,7 +202,8 @@ static int enable_slot (struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	return shpchp_sysfs_enable_slot(slot);
 }
@@ -208,7 +212,8 @@ static int disable_slot (struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	return shpchp_sysfs_disable_slot(slot);
 }
@@ -218,7 +223,8 @@ static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_power_status(slot, value);
 	if (retval < 0)
@@ -232,7 +238,8 @@ static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_attention_status(slot, value);
 	if (retval < 0)
@@ -246,7 +253,8 @@ static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_latch_status(slot, value);
 	if (retval < 0)
@@ -260,7 +268,8 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_adapter_status(slot, value);
 	if (retval < 0)
@@ -275,7 +284,8 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_max_bus_speed(slot, value);
 	if (retval < 0)
@@ -289,7 +299,8 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	dbg("%s - physical_slot = %s\n", __func__, slot_name(slot));
+	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
 	if (retval < 0)
@@ -320,15 +331,14 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
 	if (!ctrl) {
-		err("%s : out of memory\n", __func__);
+		dev_err(&pdev->dev, "%s : out of memory\n", __func__);
 		goto err_out_none;
 	}
 	INIT_LIST_HEAD(&ctrl->slot_list);
 
 	rc = shpc_init(ctrl, pdev);
 	if (rc) {
-		dbg("%s: controller initialization failed\n",
-		    SHPC_MODULE_NAME);
+		ctrl_dbg(ctrl, "controller initialization failed\n");
 		goto err_out_free_ctrl;
 	}
 
@@ -337,7 +347,7 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Setup the slot information structures */
 	rc = init_slots(ctrl);
 	if (rc) {
-		err("%s: slot initialization failed\n", SHPC_MODULE_NAME);
+		ctrl_err(ctrl, "slot initialization failed\n");
 		goto err_out_release_ctlr;
 	}
 
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index 919b1ee4431..c9049f17864 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -62,7 +62,7 @@ u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Attention Button Change */
-	dbg("shpchp:  Attention button interrupt received.\n");
+	ctrl_dbg(ctrl, "Attention button interrupt received.\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 	p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
@@ -70,7 +70,7 @@ u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
 	/*
 	 *  Button pressed - See if need to TAKE ACTION!!!
 	 */
-	info("Button pressed on Slot(%s)\n", slot_name(p_slot));
+	ctrl_info(ctrl, "Button pressed on Slot(%s)\n", slot_name(p_slot));
 	event_type = INT_BUTTON_PRESS;
 
 	queue_interrupt_event(p_slot, event_type);
@@ -86,29 +86,29 @@ u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Switch Change */
-	dbg("shpchp:  Switch interrupt received.\n");
+	ctrl_dbg(ctrl, "Switch interrupt received.\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 	p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
 	p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
-	dbg("%s: Card present %x Power status %x\n", __func__,
-		p_slot->presence_save, p_slot->pwr_save);
+	ctrl_dbg(ctrl, "%s: Card present %x Power status %x\n",
+		 __func__, p_slot->presence_save, p_slot->pwr_save);
 
 	if (getstatus) {
 		/*
 		 * Switch opened
 		 */
-		info("Latch open on Slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Latch open on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_SWITCH_OPEN;
 		if (p_slot->pwr_save && p_slot->presence_save) {
 			event_type = INT_POWER_FAULT;
-			err("Surprise Removal of card\n");
+			ctrl_err(ctrl, "Surprise Removal of card\n");
 		}
 	} else {
 		/*
 		 *  Switch closed
 		 */
-		info("Latch close on Slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Latch close on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_SWITCH_CLOSE;
 	}
 
@@ -123,7 +123,7 @@ u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Presence Change */
-	dbg("shpchp:  Presence/Notify input change.\n");
+	ctrl_dbg(ctrl, "Presence/Notify input change.\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 
@@ -135,13 +135,15 @@ u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
 		/*
 		 * Card Present
 		 */
-		info("Card present on Slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Card present on Slot(%s)\n",
+			  slot_name(p_slot));
 		event_type = INT_PRESENCE_ON;
 	} else {
 		/*
 		 * Not Present
 		 */
-		info("Card not present on Slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Card not present on Slot(%s)\n",
+			  slot_name(p_slot));
 		event_type = INT_PRESENCE_OFF;
 	}
 
@@ -156,7 +158,7 @@ u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Power fault */
-	dbg("shpchp:  Power fault interrupt received.\n");
+	ctrl_dbg(ctrl, "Power fault interrupt received.\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 
@@ -164,18 +166,19 @@ u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
 		/*
 		 * Power fault Cleared
 		 */
-		info("Power fault cleared on Slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Power fault cleared on Slot(%s)\n",
+			  slot_name(p_slot));
 		p_slot->status = 0x00;
 		event_type = INT_POWER_FAULT_CLEAR;
 	} else {
 		/*
 		 *   Power fault
 		 */
-		info("Power fault on Slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Power fault on Slot(%s)\n", slot_name(p_slot));
 		event_type = INT_POWER_FAULT;
 		/* set power fault status for this board */
 		p_slot->status = 0xFF;
-		info("power fault bit %x set\n", hp_slot);
+		ctrl_info(ctrl, "power fault bit %x set\n", hp_slot);
 	}
 
 	queue_interrupt_event(p_slot, event_type);
@@ -191,10 +194,10 @@ static int change_bus_speed(struct controller *ctrl, struct slot *p_slot,
 {
 	int rc = 0;
 
-	dbg("%s: change to speed %d\n", __func__, speed);
+	ctrl_dbg(ctrl, "%s: change to speed %d\n", __func__, speed);
 	if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, speed))) {
-		err("%s: Issue of set bus speed mode command failed\n",
-		    __func__);
+		ctrl_err(ctrl, "%s: Issue of set bus speed mode command "
+			 "failed\n", __func__);
 		return WRONG_BUS_FREQUENCY;
 	}
 	return rc;
@@ -212,8 +215,8 @@ static int fix_bus_speed(struct controller *ctrl, struct slot *pslot,
 	 */
 	if (flag) {
 		if (asp < bsp) {
-			err("%s: speed of bus %x and adapter %x mismatch\n",
-			    __func__, bsp, asp);
+			ctrl_err(ctrl, "%s: speed of bus %x and adapter %x "
+				 "mismatch\n", __func__, bsp, asp);
 			rc = WRONG_BUS_FREQUENCY;
 		}
 		return rc;
@@ -246,14 +249,14 @@ static int board_added(struct slot *p_slot)
 
 	hp_slot = p_slot->device - ctrl->slot_device_offset;
 
-	dbg("%s: p_slot->device, slot_offset, hp_slot = %d, %d ,%d\n",
-			__func__, p_slot->device,
-			ctrl->slot_device_offset, hp_slot);
+	ctrl_dbg(ctrl,
+		 "%s: p_slot->device, slot_offset, hp_slot = %d, %d ,%d\n",
+		 __func__, p_slot->device, ctrl->slot_device_offset, hp_slot);
 
 	/* Power on slot without connecting to bus */
 	rc = p_slot->hpc_ops->power_on_slot(p_slot);
 	if (rc) {
-		err("%s: Failed to power on slot\n", __func__);
+		ctrl_err(ctrl, "%s: Failed to power on slot\n", __func__);
 		return -1;
 	}
 
@@ -262,33 +265,36 @@ static int board_added(struct slot *p_slot)
 			return WRONG_BUS_FREQUENCY;
 
 		if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, PCI_SPEED_33MHz))) {
-			err("%s: Issue of set bus speed mode command failed\n", __func__);
+			ctrl_err(ctrl, "%s: Issue of set bus speed mode command"
+				 " failed\n", __func__);
 			return WRONG_BUS_FREQUENCY;
 		}
 
 		/* turn on board, blink green LED, turn off Amber LED */
 		if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) {
-			err("%s: Issue of Slot Enable command failed\n", __func__);
+			ctrl_err(ctrl, "%s: Issue of Slot Enable command"
+				 " failed\n", __func__);
 			return rc;
 		}
 	}
 
 	rc = p_slot->hpc_ops->get_adapter_speed(p_slot, &asp);
 	if (rc) {
-		err("%s: Can't get adapter speed or bus mode mismatch\n",
-		    __func__);
+		ctrl_err(ctrl, "%s: Can't get adapter speed or bus mode "
+			 "mismatch\n", __func__);
 		return WRONG_BUS_FREQUENCY;
 	}
 
 	rc = p_slot->hpc_ops->get_cur_bus_speed(p_slot, &bsp);
 	if (rc) {
-		err("%s: Can't get bus operation speed\n", __func__);
+		ctrl_err(ctrl, "%s: Can't get bus operation speed\n", __func__);
 		return WRONG_BUS_FREQUENCY;
 	}
 
 	rc = p_slot->hpc_ops->get_max_bus_speed(p_slot, &msp);
 	if (rc) {
-		err("%s: Can't get max bus operation speed\n", __func__);
+		ctrl_err(ctrl, "%s: Can't get max bus operation speed\n",
+			 __func__);
 		msp = bsp;
 	}
 
@@ -296,9 +302,9 @@ static int board_added(struct slot *p_slot)
 	if (!list_empty(&ctrl->pci_dev->subordinate->devices))
 		slots_not_empty = 1;
 
-	dbg("%s: slots_not_empty %d, adapter_speed %d, bus_speed %d, "
-	    "max_bus_speed %d\n", __func__, slots_not_empty, asp,
-	    bsp, msp);
+	ctrl_dbg(ctrl, "%s: slots_not_empty %d, adapter_speed %d, bus_speed %d,"
+		 " max_bus_speed %d\n", __func__, slots_not_empty, asp,
+		 bsp, msp);
 
 	rc = fix_bus_speed(ctrl, p_slot, slots_not_empty, asp, bsp, msp);
 	if (rc)
@@ -306,26 +312,27 @@ static int board_added(struct slot *p_slot)
 
 	/* turn on board, blink green LED, turn off Amber LED */
 	if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) {
-		err("%s: Issue of Slot Enable command failed\n", __func__);
+		ctrl_err(ctrl, "%s: Issue of Slot Enable command failed\n",
+			 __func__);
 		return rc;
 	}
 
 	/* Wait for ~1 second */
 	msleep(1000);
 
-	dbg("%s: slot status = %x\n", __func__, p_slot->status);
+	ctrl_dbg(ctrl, "%s: slot status = %x\n", __func__, p_slot->status);
 	/* Check for a power fault */
 	if (p_slot->status == 0xFF) {
 		/* power fault occurred, but it was benign */
-		dbg("%s: power fault\n", __func__);
+		ctrl_dbg(ctrl, "%s: power fault\n", __func__);
 		rc = POWER_FAILURE;
 		p_slot->status = 0;
 		goto err_exit;
 	}
 
 	if (shpchp_configure_device(p_slot)) {
-		err("Cannot add device at 0x%x:0x%x\n", p_slot->bus,
-				p_slot->device);
+		ctrl_err(ctrl, "Cannot add device at 0x%x:0x%x\n",
+			 p_slot->bus, p_slot->device);
 		goto err_exit;
 	}
 
@@ -341,7 +348,8 @@ err_exit:
 	/* turn off slot, turn on Amber LED, turn off Green LED */
 	rc = p_slot->hpc_ops->slot_disable(p_slot);
 	if (rc) {
-		err("%s: Issue of Slot Disable command failed\n", __func__);
+		ctrl_err(ctrl, "%s: Issue of Slot Disable command failed\n",
+			 __func__);
 		return rc;
 	}
 
@@ -365,7 +373,7 @@ static int remove_board(struct slot *p_slot)
 	hp_slot = p_slot->device - ctrl->slot_device_offset;
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 
-	dbg("In %s, hp_slot = %d\n", __func__, hp_slot);
+	ctrl_dbg(ctrl, "In %s, hp_slot = %d\n", __func__, hp_slot);
 
 	/* Change status to shutdown */
 	if (p_slot->is_a_board)
@@ -374,13 +382,15 @@ static int remove_board(struct slot *p_slot)
 	/* turn off slot, turn on Amber LED, turn off Green LED */
 	rc = p_slot->hpc_ops->slot_disable(p_slot);
 	if (rc) {
-		err("%s: Issue of Slot Disable command failed\n", __func__);
+		ctrl_err(ctrl, "%s: Issue of Slot Disable command failed\n",
+			 __func__);
 		return rc;
 	}
 
 	rc = p_slot->hpc_ops->set_attention_status(p_slot, 0);
 	if (rc) {
-		err("%s: Issue of Set Attention command failed\n", __func__);
+		ctrl_err(ctrl, "%s: Issue of Set Attention command failed\n",
+			 __func__);
 		return rc;
 	}
 
@@ -439,7 +449,8 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
 	if (!info) {
-		err("%s: Cannot allocate memory\n", __func__);
+		ctrl_err(p_slot->ctrl, "%s: Cannot allocate memory\n",
+			 __func__);
 		return;
 	}
 	info->p_slot = p_slot;
@@ -486,18 +497,19 @@ static int update_slot_info (struct slot *slot)
 static void handle_button_press_event(struct slot *p_slot)
 {
 	u8 getstatus;
+	struct controller *ctrl = p_slot->ctrl;
 
 	switch (p_slot->state) {
 	case STATIC_STATE:
 		p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 		if (getstatus) {
 			p_slot->state = BLINKINGOFF_STATE;
-			info("PCI slot #%s - powering off due to button "
-			     "press.\n", slot_name(p_slot));
+			ctrl_info(ctrl, "PCI slot #%s - powering off due to "
+				  "button press.\n", slot_name(p_slot));
 		} else {
 			p_slot->state = BLINKINGON_STATE;
-			info("PCI slot #%s - powering on due to button "
-			     "press.\n", slot_name(p_slot));
+			ctrl_info(ctrl, "PCI slot #%s - powering on due to "
+				  "button press.\n", slot_name(p_slot));
 		}
 		/* blink green LED and turn off amber */
 		p_slot->hpc_ops->green_led_blink(p_slot);
@@ -512,16 +524,17 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * press the attention again before the 5 sec. limit
 		 * expires to cancel hot-add or hot-remove
 		 */
-		info("Button cancel on Slot(%s)\n", slot_name(p_slot));
-		dbg("%s: button cancel\n", __func__);
+		ctrl_info(ctrl, "Button cancel on Slot(%s)\n",
+			  slot_name(p_slot));
+		ctrl_dbg(ctrl, "%s: button cancel\n", __func__);
 		cancel_delayed_work(&p_slot->work);
 		if (p_slot->state == BLINKINGOFF_STATE)
 			p_slot->hpc_ops->green_led_on(p_slot);
 		else
 			p_slot->hpc_ops->green_led_off(p_slot);
 		p_slot->hpc_ops->set_attention_status(p_slot, 0);
-		info("PCI slot #%s - action canceled due to button press\n",
-		     slot_name(p_slot));
+		ctrl_info(ctrl, "PCI slot #%s - action canceled due to "
+			  "button press\n", slot_name(p_slot));
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWEROFF_STATE:
@@ -531,11 +544,12 @@ static void handle_button_press_event(struct slot *p_slot)
 		 * this means that the previous attention button action
 		 * to hot-add or hot-remove is undergoing
 		 */
-		info("Button ignore on Slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Button ignore on Slot(%s)\n",
+			  slot_name(p_slot));
 		update_slot_info(p_slot);
 		break;
 	default:
-		warn("Not a valid state\n");
+		ctrl_warn(ctrl, "Not a valid state\n");
 		break;
 	}
 }
@@ -551,7 +565,7 @@ static void interrupt_event_handler(struct work_struct *work)
 		handle_button_press_event(p_slot);
 		break;
 	case INT_POWER_FAULT:
-		dbg("%s: power fault\n", __func__);
+		ctrl_dbg(p_slot->ctrl, "%s: power fault\n", __func__);
 		p_slot->hpc_ops->set_attention_status(p_slot, 1);
 		p_slot->hpc_ops->green_led_off(p_slot);
 		break;
@@ -569,22 +583,24 @@ static int shpchp_enable_slot (struct slot *p_slot)
 {
 	u8 getstatus = 0;
 	int rc, retval = -ENODEV;
+	struct controller *ctrl = p_slot->ctrl;
 
 	/* Check to see if (latch closed, card present, power off) */
 	mutex_lock(&p_slot->ctrl->crit_sect);
 	rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		info("No adapter on slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "No adapter on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 	if (rc || getstatus) {
-		info("Latch open on slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Latch open on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 	if (rc || getstatus) {
-		info("Already enabled on slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Already enabled on slot(%s)\n",
+			  slot_name(p_slot));
 		goto out;
 	}
 
@@ -593,7 +609,7 @@ static int shpchp_enable_slot (struct slot *p_slot)
 	/* We have to save the presence info for these slots */
 	p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
 	p_slot->hpc_ops->get_power_status(p_slot, &(p_slot->pwr_save));
-	dbg("%s: p_slot->pwr_save %x\n", __func__, p_slot->pwr_save);
+	ctrl_dbg(ctrl, "%s: p_slot->pwr_save %x\n", __func__, p_slot->pwr_save);
 	p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 
 	if(((p_slot->ctrl->pci_dev->vendor == PCI_VENDOR_ID_AMD) ||
@@ -624,6 +640,7 @@ static int shpchp_disable_slot (struct slot *p_slot)
 {
 	u8 getstatus = 0;
 	int rc, retval = -ENODEV;
+	struct controller *ctrl = p_slot->ctrl;
 
 	if (!p_slot->ctrl)
 		return -ENODEV;
@@ -633,17 +650,18 @@ static int shpchp_disable_slot (struct slot *p_slot)
 
 	rc = p_slot->hpc_ops->get_adapter_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		info("No adapter on slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "No adapter on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
 	if (rc || getstatus) {
-		info("Latch open on slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Latch open on slot(%s)\n", slot_name(p_slot));
 		goto out;
 	}
 	rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		info("Already disabled slot(%s)\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Already disabled slot(%s)\n",
+			  slot_name(p_slot));
 		goto out;
 	}
 
@@ -657,6 +675,7 @@ static int shpchp_disable_slot (struct slot *p_slot)
 int shpchp_sysfs_enable_slot(struct slot *p_slot)
 {
 	int retval = -ENODEV;
+	struct controller *ctrl = p_slot->ctrl;
 
 	mutex_lock(&p_slot->lock);
 	switch (p_slot->state) {
@@ -670,15 +689,17 @@ int shpchp_sysfs_enable_slot(struct slot *p_slot)
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWERON_STATE:
-		info("Slot %s is already in powering on state\n",
-		     slot_name(p_slot));
+		ctrl_info(ctrl, "Slot %s is already in powering on state\n",
+			  slot_name(p_slot));
 		break;
 	case BLINKINGOFF_STATE:
 	case POWEROFF_STATE:
-		info("Already enabled on slot %s\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Already enabled on slot %s\n",
+			  slot_name(p_slot));
 		break;
 	default:
-		err("Not a valid state on slot %s\n", slot_name(p_slot));
+		ctrl_err(ctrl, "Not a valid state on slot %s\n",
+			 slot_name(p_slot));
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
@@ -689,6 +710,7 @@ int shpchp_sysfs_enable_slot(struct slot *p_slot)
 int shpchp_sysfs_disable_slot(struct slot *p_slot)
 {
 	int retval = -ENODEV;
+	struct controller *ctrl = p_slot->ctrl;
 
 	mutex_lock(&p_slot->lock);
 	switch (p_slot->state) {
@@ -702,15 +724,17 @@ int shpchp_sysfs_disable_slot(struct slot *p_slot)
 		p_slot->state = STATIC_STATE;
 		break;
 	case POWEROFF_STATE:
-		info("Slot %s is already in powering off state\n",
-		     slot_name(p_slot));
+		ctrl_info(ctrl, "Slot %s is already in powering off state\n",
+			  slot_name(p_slot));
 		break;
 	case BLINKINGON_STATE:
 	case POWERON_STATE:
-		info("Already disabled on slot %s\n", slot_name(p_slot));
+		ctrl_info(ctrl, "Already disabled on slot %s\n",
+			  slot_name(p_slot));
 		break;
 	default:
-		err("Not a valid state on slot %s\n", slot_name(p_slot));
+		ctrl_err(ctrl, "Not a valid state on slot %s\n",
+			 slot_name(p_slot));
 		break;
 	}
 	mutex_unlock(&p_slot->lock);
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 7a0bff364cd..2b69a08326b 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -300,10 +300,10 @@ static inline int shpc_wait_cmd(struct controller *ctrl)
 						!is_ctrl_busy(ctrl), timeout);
 	if (!rc && is_ctrl_busy(ctrl)) {
 		retval = -EIO;
-		err("Command not completed in 1000 msec\n");
+		ctrl_err(ctrl, "Command not completed in 1000 msec\n");
 	} else if (rc < 0) {
 		retval = -EINTR;
-		info("Command was interrupted by a signal\n");
+		ctrl_info(ctrl, "Command was interrupted by a signal\n");
 	}
 
 	return retval;
@@ -320,15 +320,15 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
 
 	if (!shpc_poll_ctrl_busy(ctrl)) {
 		/* After 1 sec and and the controller is still busy */
-		err("%s : Controller is still busy after 1 sec.\n",
-		    __func__);
+		ctrl_err(ctrl, "%s : Controller is still busy after 1 sec.\n",
+			 __func__);
 		retval = -EBUSY;
 		goto out;
 	}
 
 	++t_slot;
 	temp_word =  (t_slot << 8) | (cmd & 0xFF);
-	dbg("%s: t_slot %x cmd %x\n", __func__, t_slot, cmd);
+	ctrl_dbg(ctrl, "%s: t_slot %x cmd %x\n", __func__, t_slot, cmd);
 
 	/* To make sure the Controller Busy bit is 0 before we send out the
 	 * command.
@@ -344,8 +344,8 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
 
 	cmd_status = hpc_check_cmd_status(slot->ctrl);
 	if (cmd_status) {
-		err("%s: Failed to issued command 0x%x (error code = %d)\n",
-		    __func__, cmd, cmd_status);
+		ctrl_err(ctrl, "%s: Failed to issued command 0x%x "
+			 "(error code = %d)\n", __func__, cmd, cmd_status);
 		retval = -EIO;
 	}
  out:
@@ -364,15 +364,15 @@ static int hpc_check_cmd_status(struct controller *ctrl)
 		break;
 	case 1:
 		retval = SWITCH_OPEN;
-		err("%s: Switch opened!\n", __func__);
+		ctrl_err(ctrl, "%s: Switch opened!\n", __func__);
 		break;
 	case 2:
 		retval = INVALID_CMD;
-		err("%s: Invalid HPC command!\n", __func__);
+		ctrl_err(ctrl, "%s: Invalid HPC command!\n", __func__);
 		break;
 	case 4:
 		retval = INVALID_SPEED_MODE;
-		err("%s: Invalid bus speed/mode!\n", __func__);
+		ctrl_err(ctrl, "%s: Invalid bus speed/mode!\n", __func__);
 		break;
 	default:
 		retval = cmd_status;
@@ -483,8 +483,8 @@ static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value)
 		return -ENODEV;
 	}
 
-	dbg("%s: slot_reg = %x, pcix_cap = %x, m66_cap = %x\n",
-	    __func__, slot_reg, pcix_cap, m66_cap);
+	ctrl_dbg(ctrl, "%s: slot_reg = %x, pcix_cap = %x, m66_cap = %x\n",
+		 __func__, slot_reg, pcix_cap, m66_cap);
 
 	switch (pcix_cap) {
 	case 0x0:
@@ -509,7 +509,7 @@ static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value)
 		break;
 	}
 
-	dbg("Adapter speed = %d\n", *value);
+	ctrl_dbg(ctrl, "Adapter speed = %d\n", *value);
 	return retval;
 }
 
@@ -526,7 +526,7 @@ static int hpc_get_mode1_ECC_cap(struct slot *slot, u8 *mode)
 		retval = -1;
 	}
 
-	dbg("Mode 1 ECC cap = %d\n", *mode);
+	ctrl_dbg(ctrl, "Mode 1 ECC cap = %d\n", *mode);
 	return retval;
 }
 
@@ -629,7 +629,7 @@ static int hpc_power_on_slot(struct slot * slot)
 
 	retval = shpc_write_cmd(slot, slot->hp_slot, SET_SLOT_PWR);
 	if (retval)
-		err("%s: Write command failed!\n", __func__);
+		ctrl_err(slot->ctrl, "%s: Write command failed!\n", __func__);
 
 	return retval;
 }
@@ -642,7 +642,7 @@ static int hpc_slot_enable(struct slot * slot)
 	retval = shpc_write_cmd(slot, slot->hp_slot,
 			SET_SLOT_ENABLE | SET_PWR_BLINK | SET_ATTN_OFF);
 	if (retval)
-		err("%s: Write command failed!\n", __func__);
+		ctrl_err(slot->ctrl, "%s: Write command failed!\n", __func__);
 
 	return retval;
 }
@@ -655,7 +655,7 @@ static int hpc_slot_disable(struct slot * slot)
 	retval = shpc_write_cmd(slot, slot->hp_slot,
 			SET_SLOT_DISABLE | SET_PWR_OFF | SET_ATTN_ON);
 	if (retval)
-		err("%s: Write command failed!\n", __func__);
+		ctrl_err(slot->ctrl, "%s: Write command failed!\n", __func__);
 
 	return retval;
 }
@@ -719,7 +719,7 @@ static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value)
 
 	retval = shpc_write_cmd(slot, 0, cmd);
 	if (retval)
-		err("%s: Write command failed!\n", __func__);
+		ctrl_err(ctrl, "%s: Write command failed!\n", __func__);
 
 	return retval;
 }
@@ -735,7 +735,7 @@ static irqreturn_t shpc_isr(int irq, void *dev_id)
 	if (!intr_loc)
 		return IRQ_NONE;
 
-	dbg("%s: intr_loc = %x\n",__func__, intr_loc);
+	ctrl_dbg(ctrl, "%s: intr_loc = %x\n", __func__, intr_loc);
 
 	if(!shpchp_poll_mode) {
 		/*
@@ -748,7 +748,7 @@ static irqreturn_t shpc_isr(int irq, void *dev_id)
 		shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
 
 		intr_loc2 = shpc_readl(ctrl, INTR_LOC);
-		dbg("%s: intr_loc2 = %x\n",__func__, intr_loc2);
+		ctrl_dbg(ctrl, "%s: intr_loc2 = %x\n", __func__, intr_loc2);
 	}
 
 	if (intr_loc & CMD_INTR_PENDING) {
@@ -773,8 +773,8 @@ static irqreturn_t shpc_isr(int irq, void *dev_id)
 			continue;
 
 		slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
-		dbg("%s: Slot %x with intr, slot register = %x\n",
-		    __func__, hp_slot, slot_reg);
+		ctrl_dbg(ctrl, "%s: Slot %x with intr, slot register = %x\n",
+			 __func__, hp_slot, slot_reg);
 
 		if (slot_reg & MRL_CHANGE_DETECTED)
 			shpchp_handle_switch_change(hp_slot, ctrl);
@@ -843,7 +843,7 @@ static int hpc_get_max_bus_speed (struct slot *slot, enum pci_bus_speed *value)
 	}
 
 	*value = bus_speed;
-	dbg("Max bus speed = %d\n", bus_speed);
+	ctrl_dbg(ctrl, "Max bus speed = %d\n", bus_speed);
 
 	return retval;
 }
@@ -911,7 +911,7 @@ static int hpc_get_cur_bus_speed (struct slot *slot, enum pci_bus_speed *value)
 		break;
 	}
 
-	dbg("Current bus speed = %d\n", bus_speed);
+	ctrl_dbg(ctrl, "Current bus speed = %d\n", bus_speed);
 	return retval;
 }
 
@@ -958,34 +958,38 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 	} else {
 		ctrl->cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC);
 		if (!ctrl->cap_offset) {
-			err("%s : cap_offset == 0\n", __func__);
+			ctrl_err(ctrl, "%s : cap_offset == 0\n", __func__);
 			goto abort;
 		}
-		dbg("%s: cap_offset = %x\n", __func__, ctrl->cap_offset);
+		ctrl_dbg(ctrl, "%s: cap_offset = %x\n", __func__,
+			 ctrl->cap_offset);
 
 		rc = shpc_indirect_read(ctrl, 0, &shpc_base_offset);
 		if (rc) {
-			err("%s: cannot read base_offset\n", __func__);
+			ctrl_err(ctrl, "%s: cannot read base_offset\n",
+				 __func__);
 			goto abort;
 		}
 
 		rc = shpc_indirect_read(ctrl, 3, &tempdword);
 		if (rc) {
-			err("%s: cannot read slot config\n", __func__);
+			ctrl_err(ctrl, "%s: cannot read slot config\n",
+				 __func__);
 			goto abort;
 		}
 		num_slots = tempdword & SLOT_NUM;
-		dbg("%s: num_slots (indirect) %x\n", __func__, num_slots);
+		ctrl_dbg(ctrl, "%s: num_slots (indirect) %x\n",
+			 __func__, num_slots);
 
 		for (i = 0; i < 9 + num_slots; i++) {
 			rc = shpc_indirect_read(ctrl, i, &tempdword);
 			if (rc) {
-				err("%s: cannot read creg (index = %d)\n",
-				    __func__, i);
+				ctrl_err(ctrl, "%s: cannot read creg "
+					 "(index = %d)\n", __func__, i);
 				goto abort;
 			}
-			dbg("%s: offset %d: value %x\n", __func__,i,
-					tempdword);
+			ctrl_dbg(ctrl, "%s: offset %d: value %x\n",
+				 __func__, i, tempdword);
 		}
 
 		ctrl->mmio_base =
@@ -993,30 +997,31 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 		ctrl->mmio_size = 0x24 + 0x4 * num_slots;
 	}
 
-	info("HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n", pdev->vendor, pdev->device, pdev->subsystem_vendor,
-		pdev->subsystem_device);
+	ctrl_info(ctrl, "HPC vendor_id %x device_id %x ss_vid %x ss_did %x\n",
+		  pdev->vendor, pdev->device, pdev->subsystem_vendor,
+		  pdev->subsystem_device);
 
 	rc = pci_enable_device(pdev);
 	if (rc) {
-		err("%s: pci_enable_device failed\n", __func__);
+		ctrl_err(ctrl, "%s: pci_enable_device failed\n", __func__);
 		goto abort;
 	}
 
 	if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) {
-		err("%s: cannot reserve MMIO region\n", __func__);
+		ctrl_err(ctrl, "%s: cannot reserve MMIO region\n", __func__);
 		rc = -1;
 		goto abort;
 	}
 
 	ctrl->creg = ioremap(ctrl->mmio_base, ctrl->mmio_size);
 	if (!ctrl->creg) {
-		err("%s: cannot remap MMIO region %lx @ %lx\n", __func__,
-		    ctrl->mmio_size, ctrl->mmio_base);
+		ctrl_err(ctrl, "%s: cannot remap MMIO region %lx @ %lx\n",
+			 __func__, ctrl->mmio_size, ctrl->mmio_base);
 		release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
 		rc = -1;
 		goto abort;
 	}
-	dbg("%s: ctrl->creg %p\n", __func__, ctrl->creg);
+	ctrl_dbg(ctrl, "%s: ctrl->creg %p\n", __func__, ctrl->creg);
 
 	mutex_init(&ctrl->crit_sect);
 	mutex_init(&ctrl->cmd_lock);
@@ -1035,21 +1040,21 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 
 	/* Mask Global Interrupt Mask & Command Complete Interrupt Mask */
 	tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
-	dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+	ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
 	tempdword |= (GLOBAL_INTR_MASK  | GLOBAL_SERR_MASK |
 		      COMMAND_INTR_MASK | ARBITER_SERR_MASK);
 	tempdword &= ~SERR_INTR_RSVDZ_MASK;
 	shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
 	tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
-	dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+	ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
 
 	/* Mask the MRL sensor SERR Mask of individual slot in
 	 * Slot SERR-INT Mask & clear all the existing event if any
 	 */
 	for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
 		slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
-		dbg("%s: Default Logical Slot Register %d value %x\n", __func__,
-			hp_slot, slot_reg);
+		ctrl_dbg(ctrl, "%s: Default Logical Slot Register %d "
+			 "value %x\n", __func__, hp_slot, slot_reg);
 		slot_reg |= (PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK |
 			     BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK |
 			     CON_PFAULT_INTR_MASK   | MRL_CHANGE_SERR_MASK |
@@ -1066,24 +1071,26 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 		/* Installs the interrupt handler */
 		rc = pci_enable_msi(pdev);
 		if (rc) {
-			info("Can't get msi for the hotplug controller\n");
-			info("Use INTx for the hotplug controller\n");
+			ctrl_info(ctrl,
+				  "Can't get msi for the hotplug controller\n");
+			ctrl_info(ctrl,
+				  "Use INTx for the hotplug controller\n");
 		}
 
 		rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED,
 				 MY_NAME, (void *)ctrl);
-		dbg("%s: request_irq %d for hpc%d (returns %d)\n",
-		    __func__, ctrl->pci_dev->irq,
+		ctrl_dbg(ctrl, "%s: request_irq %d for hpc%d (returns %d)\n",
+			 __func__, ctrl->pci_dev->irq,
 		    atomic_read(&shpchp_num_controllers), rc);
 		if (rc) {
-			err("Can't get irq %d for the hotplug controller\n",
-			    ctrl->pci_dev->irq);
+			ctrl_err(ctrl, "Can't get irq %d for the hotplug "
+				 "controller\n", ctrl->pci_dev->irq);
 			goto abort_iounmap;
 		}
 	}
-	dbg("%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n", __func__,
-			pdev->bus->number, PCI_SLOT(pdev->devfn),
-			PCI_FUNC(pdev->devfn), pdev->irq);
+	ctrl_dbg(ctrl, "%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n",
+		 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
+		 PCI_FUNC(pdev->devfn), pdev->irq);
 
 	/*
 	 * If this is the first controller to be initialized,
@@ -1102,8 +1109,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 	 */
 	for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
 		slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
-		dbg("%s: Default Logical Slot Register %d value %x\n", __func__,
-			hp_slot, slot_reg);
+		ctrl_dbg(ctrl, "%s: Default Logical Slot Register %d "
+			 "value %x\n", __func__, hp_slot, slot_reg);
 		slot_reg &= ~(PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK |
 			      BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK |
 			      CON_PFAULT_INTR_MASK | SLOT_REG_RSVDZ_MASK);
@@ -1116,7 +1123,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 			       SERR_INTR_RSVDZ_MASK);
 		shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
 		tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
-		dbg("%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+		ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n",
+			 __func__, tempdword);
 	}
 
 	return 0;
diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c
index 3fc4ec0eea0..faecbfaa64f 100644
--- a/drivers/pci/hotplug/shpchp_pci.c
+++ b/drivers/pci/hotplug/shpchp_pci.c
@@ -101,18 +101,20 @@ int __ref shpchp_configure_device(struct slot *p_slot)
 	struct pci_dev *dev;
 	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
 	int num, fn;
+	struct controller *ctrl = p_slot->ctrl;
 
 	dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
 	if (dev) {
-		err("Device %s already exists at %x:%x, cannot hot-add\n",
-				pci_name(dev), p_slot->bus, p_slot->device);
+		ctrl_err(ctrl,
+			 "Device %s already exists at %x:%x, cannot hot-add\n",
+			 pci_name(dev), p_slot->bus, p_slot->device);
 		pci_dev_put(dev);
 		return -EINVAL;
 	}
 
 	num = pci_scan_slot(parent, PCI_DEVFN(p_slot->device, 0));
 	if (num == 0) {
-		err("No new device found\n");
+		ctrl_err(ctrl, "No new device found\n");
 		return -ENODEV;
 	}
 
@@ -121,8 +123,8 @@ int __ref shpchp_configure_device(struct slot *p_slot)
 		if (!dev)
 			continue;
 		if ((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
-			err("Cannot hot-add display device %s\n",
-					pci_name(dev));
+			ctrl_err(ctrl, "Cannot hot-add display device %s\n",
+				 pci_name(dev));
 			pci_dev_put(dev);
 			continue;
 		}
@@ -138,14 +140,15 @@ int __ref shpchp_configure_device(struct slot *p_slot)
 					break;
 			}
 			if (busnr >= end) {
-				err("No free bus for hot-added bridge\n");
+				ctrl_err(ctrl,
+					 "No free bus for hot-added bridge\n");
 				pci_dev_put(dev);
 				continue;
 			}
 			child = pci_add_new_bus(parent, dev, busnr);
 			if (!child) {
-				err("Cannot add new bus for %s\n",
-						pci_name(dev));
+				ctrl_err(ctrl, "Cannot add new bus for %s\n",
+					 pci_name(dev));
 				pci_dev_put(dev);
 				continue;
 			}
@@ -168,8 +171,10 @@ int shpchp_unconfigure_device(struct slot *p_slot)
 	int j;
 	u8 bctl = 0;
 	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
+	struct controller *ctrl = p_slot->ctrl;
 
-	dbg("%s: bus/dev = %x/%x\n", __func__, p_slot->bus, p_slot->device);
+	ctrl_dbg(ctrl, "%s: bus/dev = %x/%x\n",
+		 __func__, p_slot->bus, p_slot->device);
 
 	for (j=0; j<8 ; j++) {
 		struct pci_dev* temp = pci_get_slot(parent,
@@ -177,16 +182,17 @@ int shpchp_unconfigure_device(struct slot *p_slot)
 		if (!temp)
 			continue;
 		if ((temp->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
-			err("Cannot remove display device %s\n",
-					pci_name(temp));
+			ctrl_err(ctrl, "Cannot remove display device %s\n",
+				 pci_name(temp));
 			pci_dev_put(temp);
 			continue;
 		}
 		if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
 			pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl);
 			if (bctl & PCI_BRIDGE_CTL_VGA) {
-				err("Cannot remove display device %s\n",
-						pci_name(temp));
+				ctrl_err(ctrl,
+					 "Cannot remove display device %s\n",
+					 pci_name(temp));
 				pci_dev_put(temp);
 				continue;
 			}
-- 
GitLab


From be7bce250a88fbbb5a67204eb148bce8b798780a Mon Sep 17 00:00:00 2001
From: Taku Izumi <izumi.taku@jp.fujitsu.com>
Date: Thu, 23 Oct 2008 11:54:39 +0900
Subject: [PATCH 2221/2224] PCI hotplug: shpchp: message refinement

This patch refines messages in shpchp module.  The main changes are as
follows:

 - remove the trailing "."
 - remove __func__ as much as possible
 - capitalize the first letter of messages
 - show PCI device address including its domain

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/hotplug/shpchp.h      |  9 ++--
 drivers/pci/hotplug/shpchp_core.c | 34 +++++++-------
 drivers/pci/hotplug/shpchp_ctrl.c | 54 +++++++++++------------
 drivers/pci/hotplug/shpchp_hpc.c  | 73 ++++++++++++++-----------------
 drivers/pci/hotplug/shpchp_pci.c  | 14 +++---
 5 files changed, 86 insertions(+), 98 deletions(-)

diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
index 0d48d38cbf4..6aba0b6cf2e 100644
--- a/drivers/pci/hotplug/shpchp.h
+++ b/drivers/pci/hotplug/shpchp.h
@@ -253,7 +253,7 @@ static inline struct slot *shpchp_find_slot(struct controller *ctrl, u8 device)
 			return slot;
 	}
 
-	ctrl_err(ctrl, "%s: slot (device=0x%x) not found\n", __func__, device);
+	ctrl_err(ctrl, "Slot (device=0x%02x) not found\n", device);
 	return NULL;
 }
 
@@ -288,8 +288,8 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot)
 	perr_set = pcix_bridge_errors_reg & PERR_OBSERVED_MASK;
 	if (perr_set) {
 		ctrl_dbg(p_slot->ctrl,
-			 "%s  W1C: Bridge_Errors[ PERR_OBSERVED = %08X]\n",
-			 __func__ , perr_set);
+			 "Bridge_Errors[ PERR_OBSERVED = %08X] (W1C)\n",
+			 perr_set);
 
 		pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MISC_BRIDGE_ERRORS_OFFSET, perr_set);
 	}
@@ -298,8 +298,7 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot)
 	pci_read_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, &pcix_mem_base_reg);
 	rse_set = pcix_mem_base_reg & RSE_MASK;
 	if (rse_set) {
-		ctrl_dbg(p_slot->ctrl, "%s  W1C: Memory_Base_Limit[ RSE ]\n",
-			 __func__);
+		ctrl_dbg(p_slot->ctrl, "Memory_Base_Limit[ RSE ] (W1C)\n");
 
 		pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MEM_BASE_LIMIT_OFFSET, rse_set);
 	}
diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
index 214633bf4ab..fe8d149c229 100644
--- a/drivers/pci/hotplug/shpchp_core.c
+++ b/drivers/pci/hotplug/shpchp_core.c
@@ -89,7 +89,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = hotplug_slot->private;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	kfree(slot->hotplug_slot->info);
@@ -136,9 +136,11 @@ static int init_slots(struct controller *ctrl)
 		snprintf(name, SLOT_NAME_SIZE, "%d", slot->number);
 		hotplug_slot->ops = &shpchp_hotplug_slot_ops;
 
-		ctrl_dbg(ctrl, "Registering bus=%x dev=%x hp_slot=%x sun=%x "
-			 "slot_device_offset=%x\n", slot->bus, slot->device,
-			 slot->hp_slot, slot->number, ctrl->slot_device_offset);
+ 		ctrl_dbg(ctrl, "Registering domain:bus:dev=%04x:%02x:%02x "
+ 			 "hp_slot=%x sun=%x slot_device_offset=%x\n",
+ 			 pci_domain_nr(ctrl->pci_dev->subordinate),
+ 			 slot->bus, slot->device, slot->hp_slot, slot->number,
+ 			 ctrl->slot_device_offset);
 		retval = pci_hp_register(slot->hotplug_slot,
 				ctrl->pci_dev->subordinate, slot->device, name);
 		if (retval) {
@@ -189,7 +191,7 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 status)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	hotplug_slot->info->attention_status = status;
@@ -202,7 +204,7 @@ static int enable_slot (struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	return shpchp_sysfs_enable_slot(slot);
@@ -212,7 +214,7 @@ static int disable_slot (struct hotplug_slot *hotplug_slot)
 {
 	struct slot *slot = get_slot(hotplug_slot);
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	return shpchp_sysfs_disable_slot(slot);
@@ -223,7 +225,7 @@ static int get_power_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_power_status(slot, value);
@@ -238,7 +240,7 @@ static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_attention_status(slot, value);
@@ -253,7 +255,7 @@ static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_latch_status(slot, value);
@@ -268,7 +270,7 @@ static int get_adapter_status (struct hotplug_slot *hotplug_slot, u8 *value)
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_adapter_status(slot, value);
@@ -284,7 +286,7 @@ static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_max_bus_speed(slot, value);
@@ -299,7 +301,7 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
 	struct slot *slot = get_slot(hotplug_slot);
 	int retval;
 
-	ctrl_dbg(slot->ctrl, "%s - physical_slot = %s\n",
+	ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
 		 __func__, slot_name(slot));
 
 	retval = slot->hpc_ops->get_cur_bus_speed(slot, value);
@@ -331,14 +333,14 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
 	if (!ctrl) {
-		dev_err(&pdev->dev, "%s : out of memory\n", __func__);
+		dev_err(&pdev->dev, "%s: Out of memory\n", __func__);
 		goto err_out_none;
 	}
 	INIT_LIST_HEAD(&ctrl->slot_list);
 
 	rc = shpc_init(ctrl, pdev);
 	if (rc) {
-		ctrl_dbg(ctrl, "controller initialization failed\n");
+		ctrl_dbg(ctrl, "Controller initialization failed\n");
 		goto err_out_free_ctrl;
 	}
 
@@ -347,7 +349,7 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Setup the slot information structures */
 	rc = init_slots(ctrl);
 	if (rc) {
-		ctrl_err(ctrl, "slot initialization failed\n");
+		ctrl_err(ctrl, "Slot initialization failed\n");
 		goto err_out_release_ctlr;
 	}
 
diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
index c9049f17864..b8ab2796e66 100644
--- a/drivers/pci/hotplug/shpchp_ctrl.c
+++ b/drivers/pci/hotplug/shpchp_ctrl.c
@@ -62,7 +62,7 @@ u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Attention Button Change */
-	ctrl_dbg(ctrl, "Attention button interrupt received.\n");
+	ctrl_dbg(ctrl, "Attention button interrupt received\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 	p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
@@ -86,13 +86,13 @@ u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Switch Change */
-	ctrl_dbg(ctrl, "Switch interrupt received.\n");
+	ctrl_dbg(ctrl, "Switch interrupt received\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 	p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
 	p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
-	ctrl_dbg(ctrl, "%s: Card present %x Power status %x\n",
-		 __func__, p_slot->presence_save, p_slot->pwr_save);
+	ctrl_dbg(ctrl, "Card present %x Power status %x\n",
+		 p_slot->presence_save, p_slot->pwr_save);
 
 	if (getstatus) {
 		/*
@@ -123,7 +123,7 @@ u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Presence Change */
-	ctrl_dbg(ctrl, "Presence/Notify input change.\n");
+	ctrl_dbg(ctrl, "Presence/Notify input change\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 
@@ -158,7 +158,7 @@ u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
 	u32 event_type;
 
 	/* Power fault */
-	ctrl_dbg(ctrl, "Power fault interrupt received.\n");
+	ctrl_dbg(ctrl, "Power fault interrupt received\n");
 
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 
@@ -178,7 +178,7 @@ u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
 		event_type = INT_POWER_FAULT;
 		/* set power fault status for this board */
 		p_slot->status = 0xFF;
-		ctrl_info(ctrl, "power fault bit %x set\n", hp_slot);
+		ctrl_info(ctrl, "Power fault bit %x set\n", hp_slot);
 	}
 
 	queue_interrupt_event(p_slot, event_type);
@@ -194,7 +194,7 @@ static int change_bus_speed(struct controller *ctrl, struct slot *p_slot,
 {
 	int rc = 0;
 
-	ctrl_dbg(ctrl, "%s: change to speed %d\n", __func__, speed);
+	ctrl_dbg(ctrl, "Change speed to %d\n", speed);
 	if ((rc = p_slot->hpc_ops->set_bus_speed_mode(p_slot, speed))) {
 		ctrl_err(ctrl, "%s: Issue of set bus speed mode command "
 			 "failed\n", __func__);
@@ -215,8 +215,8 @@ static int fix_bus_speed(struct controller *ctrl, struct slot *pslot,
 	 */
 	if (flag) {
 		if (asp < bsp) {
-			ctrl_err(ctrl, "%s: speed of bus %x and adapter %x "
-				 "mismatch\n", __func__, bsp, asp);
+			ctrl_err(ctrl, "Speed of bus %x and adapter %x "
+				 "mismatch\n", bsp, asp);
 			rc = WRONG_BUS_FREQUENCY;
 		}
 		return rc;
@@ -246,6 +246,7 @@ static int board_added(struct slot *p_slot)
 	int rc = 0;
 	enum pci_bus_speed asp, bsp, msp;
 	struct controller *ctrl = p_slot->ctrl;
+	struct pci_bus *parent = ctrl->pci_dev->subordinate;
 
 	hp_slot = p_slot->device - ctrl->slot_device_offset;
 
@@ -256,7 +257,7 @@ static int board_added(struct slot *p_slot)
 	/* Power on slot without connecting to bus */
 	rc = p_slot->hpc_ops->power_on_slot(p_slot);
 	if (rc) {
-		ctrl_err(ctrl, "%s: Failed to power on slot\n", __func__);
+		ctrl_err(ctrl, "Failed to power on slot\n");
 		return -1;
 	}
 
@@ -272,29 +273,27 @@ static int board_added(struct slot *p_slot)
 
 		/* turn on board, blink green LED, turn off Amber LED */
 		if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) {
-			ctrl_err(ctrl, "%s: Issue of Slot Enable command"
-				 " failed\n", __func__);
+			ctrl_err(ctrl, "Issue of Slot Enable command failed\n");
 			return rc;
 		}
 	}
 
 	rc = p_slot->hpc_ops->get_adapter_speed(p_slot, &asp);
 	if (rc) {
-		ctrl_err(ctrl, "%s: Can't get adapter speed or bus mode "
-			 "mismatch\n", __func__);
+		ctrl_err(ctrl, "Can't get adapter speed or "
+			 "bus mode mismatch\n");
 		return WRONG_BUS_FREQUENCY;
 	}
 
 	rc = p_slot->hpc_ops->get_cur_bus_speed(p_slot, &bsp);
 	if (rc) {
-		ctrl_err(ctrl, "%s: Can't get bus operation speed\n", __func__);
+		ctrl_err(ctrl, "Can't get bus operation speed\n");
 		return WRONG_BUS_FREQUENCY;
 	}
 
 	rc = p_slot->hpc_ops->get_max_bus_speed(p_slot, &msp);
 	if (rc) {
-		ctrl_err(ctrl, "%s: Can't get max bus operation speed\n",
-			 __func__);
+		ctrl_err(ctrl, "Can't get max bus operation speed\n");
 		msp = bsp;
 	}
 
@@ -312,8 +311,7 @@ static int board_added(struct slot *p_slot)
 
 	/* turn on board, blink green LED, turn off Amber LED */
 	if ((rc = p_slot->hpc_ops->slot_enable(p_slot))) {
-		ctrl_err(ctrl, "%s: Issue of Slot Enable command failed\n",
-			 __func__);
+		ctrl_err(ctrl, "Issue of Slot Enable command failed\n");
 		return rc;
 	}
 
@@ -324,15 +322,15 @@ static int board_added(struct slot *p_slot)
 	/* Check for a power fault */
 	if (p_slot->status == 0xFF) {
 		/* power fault occurred, but it was benign */
-		ctrl_dbg(ctrl, "%s: power fault\n", __func__);
+		ctrl_dbg(ctrl, "%s: Power fault\n", __func__);
 		rc = POWER_FAILURE;
 		p_slot->status = 0;
 		goto err_exit;
 	}
 
 	if (shpchp_configure_device(p_slot)) {
-		ctrl_err(ctrl, "Cannot add device at 0x%x:0x%x\n",
-			 p_slot->bus, p_slot->device);
+		ctrl_err(ctrl, "Cannot add device at %04x:%02x:%02x\n",
+			 pci_domain_nr(parent), p_slot->bus, p_slot->device);
 		goto err_exit;
 	}
 
@@ -373,7 +371,7 @@ static int remove_board(struct slot *p_slot)
 	hp_slot = p_slot->device - ctrl->slot_device_offset;
 	p_slot = shpchp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
 
-	ctrl_dbg(ctrl, "In %s, hp_slot = %d\n", __func__, hp_slot);
+	ctrl_dbg(ctrl, "%s: hp_slot = %d\n", __func__, hp_slot);
 
 	/* Change status to shutdown */
 	if (p_slot->is_a_board)
@@ -389,8 +387,7 @@ static int remove_board(struct slot *p_slot)
 
 	rc = p_slot->hpc_ops->set_attention_status(p_slot, 0);
 	if (rc) {
-		ctrl_err(ctrl, "%s: Issue of Set Attention command failed\n",
-			 __func__);
+		ctrl_err(ctrl, "Issue of Set Attention command failed\n");
 		return rc;
 	}
 
@@ -526,7 +523,6 @@ static void handle_button_press_event(struct slot *p_slot)
 		 */
 		ctrl_info(ctrl, "Button cancel on Slot(%s)\n",
 			  slot_name(p_slot));
-		ctrl_dbg(ctrl, "%s: button cancel\n", __func__);
 		cancel_delayed_work(&p_slot->work);
 		if (p_slot->state == BLINKINGOFF_STATE)
 			p_slot->hpc_ops->green_led_on(p_slot);
@@ -565,7 +561,7 @@ static void interrupt_event_handler(struct work_struct *work)
 		handle_button_press_event(p_slot);
 		break;
 	case INT_POWER_FAULT:
-		ctrl_dbg(p_slot->ctrl, "%s: power fault\n", __func__);
+		ctrl_dbg(p_slot->ctrl, "%s: Power fault\n", __func__);
 		p_slot->hpc_ops->set_attention_status(p_slot, 1);
 		p_slot->hpc_ops->green_led_off(p_slot);
 		break;
@@ -660,7 +656,7 @@ static int shpchp_disable_slot (struct slot *p_slot)
 	}
 	rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
 	if (rc || !getstatus) {
-		ctrl_info(ctrl, "Already disabled slot(%s)\n",
+		ctrl_info(ctrl, "Already disabled on slot(%s)\n",
 			  slot_name(p_slot));
 		goto out;
 	}
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 2b69a08326b..86dc3984776 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -320,8 +320,7 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
 
 	if (!shpc_poll_ctrl_busy(ctrl)) {
 		/* After 1 sec and and the controller is still busy */
-		ctrl_err(ctrl, "%s : Controller is still busy after 1 sec.\n",
-			 __func__);
+		ctrl_err(ctrl, "Controller is still busy after 1 sec\n");
 		retval = -EBUSY;
 		goto out;
 	}
@@ -344,8 +343,9 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
 
 	cmd_status = hpc_check_cmd_status(slot->ctrl);
 	if (cmd_status) {
-		ctrl_err(ctrl, "%s: Failed to issued command 0x%x "
-			 "(error code = %d)\n", __func__, cmd, cmd_status);
+		ctrl_err(ctrl,
+			 "Failed to issued command 0x%x (error code = %d)\n",
+			 cmd, cmd_status);
 		retval = -EIO;
 	}
  out:
@@ -364,15 +364,15 @@ static int hpc_check_cmd_status(struct controller *ctrl)
 		break;
 	case 1:
 		retval = SWITCH_OPEN;
-		ctrl_err(ctrl, "%s: Switch opened!\n", __func__);
+		ctrl_err(ctrl, "Switch opened!\n");
 		break;
 	case 2:
 		retval = INVALID_CMD;
-		ctrl_err(ctrl, "%s: Invalid HPC command!\n", __func__);
+		ctrl_err(ctrl, "Invalid HPC command!\n");
 		break;
 	case 4:
 		retval = INVALID_SPEED_MODE;
-		ctrl_err(ctrl, "%s: Invalid bus speed/mode!\n", __func__);
+		ctrl_err(ctrl, "Invalid bus speed/mode!\n");
 		break;
 	default:
 		retval = cmd_status;
@@ -773,8 +773,8 @@ static irqreturn_t shpc_isr(int irq, void *dev_id)
 			continue;
 
 		slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
-		ctrl_dbg(ctrl, "%s: Slot %x with intr, slot register = %x\n",
-			 __func__, hp_slot, slot_reg);
+		ctrl_dbg(ctrl, "Slot %x with intr, slot register = %x\n",
+			 hp_slot, slot_reg);
 
 		if (slot_reg & MRL_CHANGE_DETECTED)
 			shpchp_handle_switch_change(hp_slot, ctrl);
@@ -949,6 +949,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 	u8 i;
 
 	ctrl->pci_dev = pdev;  /* pci_dev of the P2P bridge */
+	ctrl_dbg(ctrl, "Hotplug Controller:\n");
 
 	if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
 				PCI_DEVICE_ID_AMD_GOLAM_7450)) {
@@ -958,38 +959,33 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 	} else {
 		ctrl->cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC);
 		if (!ctrl->cap_offset) {
-			ctrl_err(ctrl, "%s : cap_offset == 0\n", __func__);
+			ctrl_err(ctrl, "Cannot find PCI capability\n");
 			goto abort;
 		}
-		ctrl_dbg(ctrl, "%s: cap_offset = %x\n", __func__,
-			 ctrl->cap_offset);
+		ctrl_dbg(ctrl, " cap_offset = %x\n", ctrl->cap_offset);
 
 		rc = shpc_indirect_read(ctrl, 0, &shpc_base_offset);
 		if (rc) {
-			ctrl_err(ctrl, "%s: cannot read base_offset\n",
-				 __func__);
+			ctrl_err(ctrl, "Cannot read base_offset\n");
 			goto abort;
 		}
 
 		rc = shpc_indirect_read(ctrl, 3, &tempdword);
 		if (rc) {
-			ctrl_err(ctrl, "%s: cannot read slot config\n",
-				 __func__);
+			ctrl_err(ctrl, "Cannot read slot config\n");
 			goto abort;
 		}
 		num_slots = tempdword & SLOT_NUM;
-		ctrl_dbg(ctrl, "%s: num_slots (indirect) %x\n",
-			 __func__, num_slots);
+		ctrl_dbg(ctrl, " num_slots (indirect) %x\n", num_slots);
 
 		for (i = 0; i < 9 + num_slots; i++) {
 			rc = shpc_indirect_read(ctrl, i, &tempdword);
 			if (rc) {
-				ctrl_err(ctrl, "%s: cannot read creg "
-					 "(index = %d)\n", __func__, i);
+				ctrl_err(ctrl,
+					 "Cannot read creg (index = %d)\n", i);
 				goto abort;
 			}
-			ctrl_dbg(ctrl, "%s: offset %d: value %x\n",
-				 __func__, i, tempdword);
+			ctrl_dbg(ctrl, " offset %d: value %x\n", i, tempdword);
 		}
 
 		ctrl->mmio_base =
@@ -1003,25 +999,25 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 
 	rc = pci_enable_device(pdev);
 	if (rc) {
-		ctrl_err(ctrl, "%s: pci_enable_device failed\n", __func__);
+		ctrl_err(ctrl, "pci_enable_device failed\n");
 		goto abort;
 	}
 
 	if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) {
-		ctrl_err(ctrl, "%s: cannot reserve MMIO region\n", __func__);
+		ctrl_err(ctrl, "Cannot reserve MMIO region\n");
 		rc = -1;
 		goto abort;
 	}
 
 	ctrl->creg = ioremap(ctrl->mmio_base, ctrl->mmio_size);
 	if (!ctrl->creg) {
-		ctrl_err(ctrl, "%s: cannot remap MMIO region %lx @ %lx\n",
-			 __func__, ctrl->mmio_size, ctrl->mmio_base);
+		ctrl_err(ctrl, "Cannot remap MMIO region %lx @ %lx\n",
+			 ctrl->mmio_size, ctrl->mmio_base);
 		release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
 		rc = -1;
 		goto abort;
 	}
-	ctrl_dbg(ctrl, "%s: ctrl->creg %p\n", __func__, ctrl->creg);
+	ctrl_dbg(ctrl, "ctrl->creg %p\n", ctrl->creg);
 
 	mutex_init(&ctrl->crit_sect);
 	mutex_init(&ctrl->cmd_lock);
@@ -1040,21 +1036,21 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 
 	/* Mask Global Interrupt Mask & Command Complete Interrupt Mask */
 	tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
-	ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+	ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword);
 	tempdword |= (GLOBAL_INTR_MASK  | GLOBAL_SERR_MASK |
 		      COMMAND_INTR_MASK | ARBITER_SERR_MASK);
 	tempdword &= ~SERR_INTR_RSVDZ_MASK;
 	shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
 	tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
-	ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n", __func__, tempdword);
+	ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword);
 
 	/* Mask the MRL sensor SERR Mask of individual slot in
 	 * Slot SERR-INT Mask & clear all the existing event if any
 	 */
 	for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
 		slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
-		ctrl_dbg(ctrl, "%s: Default Logical Slot Register %d "
-			 "value %x\n", __func__, hp_slot, slot_reg);
+		ctrl_dbg(ctrl, "Default Logical Slot Register %d value %x\n",
+			 hp_slot, slot_reg);
 		slot_reg |= (PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK |
 			     BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK |
 			     CON_PFAULT_INTR_MASK   | MRL_CHANGE_SERR_MASK |
@@ -1079,8 +1075,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 
 		rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED,
 				 MY_NAME, (void *)ctrl);
-		ctrl_dbg(ctrl, "%s: request_irq %d for hpc%d (returns %d)\n",
-			 __func__, ctrl->pci_dev->irq,
+		ctrl_dbg(ctrl, "request_irq %d for hpc%d (returns %d)\n",
+			 ctrl->pci_dev->irq,
 		    atomic_read(&shpchp_num_controllers), rc);
 		if (rc) {
 			ctrl_err(ctrl, "Can't get irq %d for the hotplug "
@@ -1088,9 +1084,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 			goto abort_iounmap;
 		}
 	}
-	ctrl_dbg(ctrl, "%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n",
-		 __func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
-		 PCI_FUNC(pdev->devfn), pdev->irq);
+	ctrl_dbg(ctrl, "HPC at %s irq=%x\n", pci_name(pdev), pdev->irq);
 
 	/*
 	 * If this is the first controller to be initialized,
@@ -1109,8 +1103,8 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 	 */
 	for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
 		slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
-		ctrl_dbg(ctrl, "%s: Default Logical Slot Register %d "
-			 "value %x\n", __func__, hp_slot, slot_reg);
+		ctrl_dbg(ctrl, "Default Logical Slot Register %d value %x\n",
+			 hp_slot, slot_reg);
 		slot_reg &= ~(PRSNT_CHANGE_INTR_MASK | ISO_PFAULT_INTR_MASK |
 			      BUTTON_PRESS_INTR_MASK | MRL_CHANGE_INTR_MASK |
 			      CON_PFAULT_INTR_MASK | SLOT_REG_RSVDZ_MASK);
@@ -1123,8 +1117,7 @@ int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
 			       SERR_INTR_RSVDZ_MASK);
 		shpc_writel(ctrl, SERR_INTR_ENABLE, tempdword);
 		tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
-		ctrl_dbg(ctrl, "%s: SERR_INTR_ENABLE = %x\n",
-			 __func__, tempdword);
+		ctrl_dbg(ctrl, "SERR_INTR_ENABLE = %x\n", tempdword);
 	}
 
 	return 0;
diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c
index faecbfaa64f..138f161becc 100644
--- a/drivers/pci/hotplug/shpchp_pci.c
+++ b/drivers/pci/hotplug/shpchp_pci.c
@@ -49,9 +49,7 @@ static void program_fw_provided_values(struct pci_dev *dev)
 	/* use default values if we can't get them from firmware */
 	if (get_hp_params_from_firmware(dev, &hpp) ||
 	    !hpp.t0 || (hpp.t0->revision > 1)) {
-		printk(KERN_WARNING
-		       "%s: Could not get hotplug parameters. Use defaults\n",
-		       __func__);
+		warn("Could not get hotplug parameters. Use defaults\n");
 		hpp.t0 = &hpp.type0_data;
 		hpp.t0->revision = 0;
 		hpp.t0->cache_line_size = 8;
@@ -105,9 +103,9 @@ int __ref shpchp_configure_device(struct slot *p_slot)
 
 	dev = pci_get_slot(parent, PCI_DEVFN(p_slot->device, 0));
 	if (dev) {
-		ctrl_err(ctrl,
-			 "Device %s already exists at %x:%x, cannot hot-add\n",
-			 pci_name(dev), p_slot->bus, p_slot->device);
+		ctrl_err(ctrl, "Device %s already exists "
+			 "at %04x:%02x:%02x, cannot hot-add\n", pci_name(dev),
+			 pci_domain_nr(parent), p_slot->bus, p_slot->device);
 		pci_dev_put(dev);
 		return -EINVAL;
 	}
@@ -173,8 +171,8 @@ int shpchp_unconfigure_device(struct slot *p_slot)
 	struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;
 	struct controller *ctrl = p_slot->ctrl;
 
-	ctrl_dbg(ctrl, "%s: bus/dev = %x/%x\n",
-		 __func__, p_slot->bus, p_slot->device);
+	ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:%02x\n",
+		 __func__, pci_domain_nr(parent), p_slot->bus, p_slot->device);
 
 	for (j=0; j<8 ; j++) {
 		struct pci_dev* temp = pci_get_slot(parent,
-- 
GitLab


From a491913ff22c2b69d937d14296db6fa34dbff068 Mon Sep 17 00:00:00 2001
From: "Zhao, Yu" <yu.zhao@intel.com>
Date: Mon, 13 Oct 2008 21:02:27 +0800
Subject: [PATCH 2222/2224] PCI: remove unused resource assignment in
 pci_read_bridge_bases()

This cleanup removes the resource assignment in pci_read_bridge_bases()
since it has taken care by pci_alloc_child_bus() when allocating the bus:

        /* Set up default resource pointers and names.. */
        for (i = 0; i < PCI_BRIDGE_RES_NUM; i++) {
                child->resource[i] = &bridge->resource[PCI_BRIDGE_RESOURCES+i];
                child->resource[i]->name = child->name;
        }

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/pci/probe.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6f1e51d77bc..003a9b3c293 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -298,9 +298,6 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 			child->resource[i] = child->parent->resource[i - 3];
 	}
 
-	for(i=0; i<3; i++)
-		child->resource[i] = &dev->resource[PCI_BRIDGE_RESOURCES+i];
-
 	res = child->resource[0];
 	pci_read_config_byte(dev, PCI_IO_BASE, &io_base_lo);
 	pci_read_config_byte(dev, PCI_IO_LIMIT, &io_limit_lo);
-- 
GitLab


From 325dcfdc81f124812a7b692354996ef7fe5b90ed Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Thu, 23 Oct 2008 18:14:55 -0700
Subject: [PATCH 2223/2224] Fix PCI hotplug printk format

Fix printk format warning:

  drivers/pci/hotplug/acpiphp_ibm.c:207: warning: format '%08lx' expects type 'long unsigned int', but argument 3 has type 'long long unsigned int'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/pci/hotplug/acpiphp_ibm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index b291ee68b4f..881fdd2b731 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -204,7 +204,7 @@ static int ibm_set_attention_status(struct hotplug_slot *slot, u8 status)
 		err("APLS evaluation failed:  0x%08x\n", stat);
 		return -ENODEV;
 	} else if (!rc) {
-		err("APLS method failed:  0x%08lx\n", rc);
+		err("APLS method failed:  0x%08llx\n", rc);
 		return -ERANGE;
 	}
 	return 0;
-- 
GitLab


From 57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 23 Oct 2008 20:06:52 -0700
Subject: [PATCH 2224/2224] Linux 2.6.28-rc1

---
 Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index f6703f1cd9c..8e540515cb9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 27
-EXTRAVERSION =
-NAME = Rotary Wombat
+SUBLEVEL = 28
+EXTRAVERSION = -rc1
+NAME = Killer Bat of Doom
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
-- 
GitLab